188eea45cSKlaus Jensen /* 288eea45cSKlaus Jensen * QEMU NVM Express Controller 388eea45cSKlaus Jensen * 488eea45cSKlaus Jensen * Copyright (c) 2012, Intel Corporation 588eea45cSKlaus Jensen * 688eea45cSKlaus Jensen * Written by Keith Busch <keith.busch@intel.com> 788eea45cSKlaus Jensen * 888eea45cSKlaus Jensen * This code is licensed under the GNU GPL v2 or later. 988eea45cSKlaus Jensen */ 1088eea45cSKlaus Jensen 1188eea45cSKlaus Jensen /** 1288eea45cSKlaus Jensen * Reference Specs: http://www.nvmexpress.org, 1.4, 1.3, 1.2, 1.1, 1.0e 1388eea45cSKlaus Jensen * 1488eea45cSKlaus Jensen * https://nvmexpress.org/developers/nvme-specification/ 1588eea45cSKlaus Jensen * 1688eea45cSKlaus Jensen * 1788eea45cSKlaus Jensen * Notes on coding style 1888eea45cSKlaus Jensen * --------------------- 1988eea45cSKlaus Jensen * While QEMU coding style prefers lowercase hexadecimals in constants, the 2088eea45cSKlaus Jensen * NVMe subsystem use thes format from the NVMe specifications in the comments 2188eea45cSKlaus Jensen * (i.e. 'h' suffix instead of '0x' prefix). 2288eea45cSKlaus Jensen * 2388eea45cSKlaus Jensen * Usage 2488eea45cSKlaus Jensen * ----- 2588eea45cSKlaus Jensen * See docs/system/nvme.rst for extensive documentation. 2688eea45cSKlaus Jensen * 2788eea45cSKlaus Jensen * Add options: 2888eea45cSKlaus Jensen * -drive file=<file>,if=none,id=<drive_id> 2988eea45cSKlaus Jensen * -device nvme-subsys,id=<subsys_id>,nqn=<nqn_id> 3088eea45cSKlaus Jensen * -device nvme,serial=<serial>,id=<bus_name>, \ 3188eea45cSKlaus Jensen * cmb_size_mb=<cmb_size_mb[optional]>, \ 3288eea45cSKlaus Jensen * [pmrdev=<mem_backend_file_id>,] \ 3388eea45cSKlaus Jensen * max_ioqpairs=<N[optional]>, \ 3488eea45cSKlaus Jensen * aerl=<N[optional]>,aer_max_queued=<N[optional]>, \ 3588eea45cSKlaus Jensen * mdts=<N[optional]>,vsl=<N[optional]>, \ 3688eea45cSKlaus Jensen * zoned.zasl=<N[optional]>, \ 37cccc2651SNiklas Cassel * zoned.auto_transition=<on|off[optional]>, \ 3844c2c094SLukasz Maniak * sriov_max_vfs=<N[optional]> \ 39746d42b1SŁukasz Gieryk * sriov_vq_flexible=<N[optional]> \ 40746d42b1SŁukasz Gieryk * sriov_vi_flexible=<N[optional]> \ 41746d42b1SŁukasz Gieryk * sriov_max_vi_per_vf=<N[optional]> \ 42746d42b1SŁukasz Gieryk * sriov_max_vq_per_vf=<N[optional]> \ 4388eea45cSKlaus Jensen * subsys=<subsys_id> 4488eea45cSKlaus Jensen * -device nvme-ns,drive=<drive_id>,bus=<bus_name>,nsid=<nsid>,\ 4588eea45cSKlaus Jensen * zoned=<true|false[optional]>, \ 467491e0e4SMinwoo Im * subsys=<subsys_id>,shared=<true|false[optional]>, \ 477491e0e4SMinwoo Im * detached=<true|false[optional]>, \ 487491e0e4SMinwoo Im * zoned.zone_size=<N[optional]>, \ 497491e0e4SMinwoo Im * zoned.zone_capacity=<N[optional]>, \ 507491e0e4SMinwoo Im * zoned.descr_ext_size=<N[optional]>, \ 517491e0e4SMinwoo Im * zoned.max_active=<N[optional]>, \ 527491e0e4SMinwoo Im * zoned.max_open=<N[optional]>, \ 537491e0e4SMinwoo Im * zoned.cross_read=<true|false[optional]> 5488eea45cSKlaus Jensen * 5588eea45cSKlaus Jensen * Note cmb_size_mb denotes size of CMB in MB. CMB is assumed to be at 5688eea45cSKlaus Jensen * offset 0 in BAR2 and supports only WDS, RDS and SQS for now. By default, the 5788eea45cSKlaus Jensen * device will use the "v1.4 CMB scheme" - use the `legacy-cmb` parameter to 5888eea45cSKlaus Jensen * always enable the CMBLOC and CMBSZ registers (v1.3 behavior). 5988eea45cSKlaus Jensen * 6088eea45cSKlaus Jensen * Enabling pmr emulation can be achieved by pointing to memory-backend-file. 6188eea45cSKlaus Jensen * For example: 6288eea45cSKlaus Jensen * -object memory-backend-file,id=<mem_id>,share=on,mem-path=<file_path>, \ 6388eea45cSKlaus Jensen * size=<size> .... -device nvme,...,pmrdev=<mem_id> 6488eea45cSKlaus Jensen * 6588eea45cSKlaus Jensen * The PMR will use BAR 4/5 exclusively. 6688eea45cSKlaus Jensen * 6788eea45cSKlaus Jensen * To place controller(s) and namespace(s) to a subsystem, then provide 6888eea45cSKlaus Jensen * nvme-subsys device as above. 6988eea45cSKlaus Jensen * 7088eea45cSKlaus Jensen * nvme subsystem device parameters 7188eea45cSKlaus Jensen * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 7288eea45cSKlaus Jensen * - `nqn` 7388eea45cSKlaus Jensen * This parameter provides the `<nqn_id>` part of the string 7488eea45cSKlaus Jensen * `nqn.2019-08.org.qemu:<nqn_id>` which will be reported in the SUBNQN field 7588eea45cSKlaus Jensen * of subsystem controllers. Note that `<nqn_id>` should be unique per 7688eea45cSKlaus Jensen * subsystem, but this is not enforced by QEMU. If not specified, it will 7788eea45cSKlaus Jensen * default to the value of the `id` parameter (`<subsys_id>`). 7888eea45cSKlaus Jensen * 7988eea45cSKlaus Jensen * nvme device parameters 8088eea45cSKlaus Jensen * ~~~~~~~~~~~~~~~~~~~~~~ 8188eea45cSKlaus Jensen * - `subsys` 8288eea45cSKlaus Jensen * Specifying this parameter attaches the controller to the subsystem and 8388eea45cSKlaus Jensen * the SUBNQN field in the controller will report the NQN of the subsystem 8488eea45cSKlaus Jensen * device. This also enables multi controller capability represented in 8588eea45cSKlaus Jensen * Identify Controller data structure in CMIC (Controller Multi-path I/O and 86a0984714SDr. David Alan Gilbert * Namespace Sharing Capabilities). 8788eea45cSKlaus Jensen * 8888eea45cSKlaus Jensen * - `aerl` 8988eea45cSKlaus Jensen * The Asynchronous Event Request Limit (AERL). Indicates the maximum number 9088eea45cSKlaus Jensen * of concurrently outstanding Asynchronous Event Request commands support 9188eea45cSKlaus Jensen * by the controller. This is a 0's based value. 9288eea45cSKlaus Jensen * 9388eea45cSKlaus Jensen * - `aer_max_queued` 9488eea45cSKlaus Jensen * This is the maximum number of events that the device will enqueue for 9588eea45cSKlaus Jensen * completion when there are no outstanding AERs. When the maximum number of 9688eea45cSKlaus Jensen * enqueued events are reached, subsequent events will be dropped. 9788eea45cSKlaus Jensen * 9888eea45cSKlaus Jensen * - `mdts` 9988eea45cSKlaus Jensen * Indicates the maximum data transfer size for a command that transfers data 10088eea45cSKlaus Jensen * between host-accessible memory and the controller. The value is specified 10188eea45cSKlaus Jensen * as a power of two (2^n) and is in units of the minimum memory page size 10288eea45cSKlaus Jensen * (CAP.MPSMIN). The default value is 7 (i.e. 512 KiB). 10388eea45cSKlaus Jensen * 10488eea45cSKlaus Jensen * - `vsl` 10588eea45cSKlaus Jensen * Indicates the maximum data size limit for the Verify command. Like `mdts`, 10688eea45cSKlaus Jensen * this value is specified as a power of two (2^n) and is in units of the 10788eea45cSKlaus Jensen * minimum memory page size (CAP.MPSMIN). The default value is 7 (i.e. 512 10888eea45cSKlaus Jensen * KiB). 10988eea45cSKlaus Jensen * 11088eea45cSKlaus Jensen * - `zoned.zasl` 11188eea45cSKlaus Jensen * Indicates the maximum data transfer size for the Zone Append command. Like 11288eea45cSKlaus Jensen * `mdts`, the value is specified as a power of two (2^n) and is in units of 11388eea45cSKlaus Jensen * the minimum memory page size (CAP.MPSMIN). The default value is 0 (i.e. 11488eea45cSKlaus Jensen * defaulting to the value of `mdts`). 11588eea45cSKlaus Jensen * 116cccc2651SNiklas Cassel * - `zoned.auto_transition` 117cccc2651SNiklas Cassel * Indicates if zones in zone state implicitly opened can be automatically 118cccc2651SNiklas Cassel * transitioned to zone state closed for resource management purposes. 119cccc2651SNiklas Cassel * Defaults to 'on'. 120cccc2651SNiklas Cassel * 12144c2c094SLukasz Maniak * - `sriov_max_vfs` 12244c2c094SLukasz Maniak * Indicates the maximum number of PCIe virtual functions supported 12344c2c094SLukasz Maniak * by the controller. The default value is 0. Specifying a non-zero value 12444c2c094SLukasz Maniak * enables reporting of both SR-IOV and ARI capabilities by the NVMe device. 12544c2c094SLukasz Maniak * Virtual function controllers will not report SR-IOV capability. 12644c2c094SLukasz Maniak * 127746d42b1SŁukasz Gieryk * NOTE: Single Root I/O Virtualization support is experimental. 128746d42b1SŁukasz Gieryk * All the related parameters may be subject to change. 129746d42b1SŁukasz Gieryk * 130746d42b1SŁukasz Gieryk * - `sriov_vq_flexible` 131746d42b1SŁukasz Gieryk * Indicates the total number of flexible queue resources assignable to all 132746d42b1SŁukasz Gieryk * the secondary controllers. Implicitly sets the number of primary 133746d42b1SŁukasz Gieryk * controller's private resources to `(max_ioqpairs - sriov_vq_flexible)`. 134746d42b1SŁukasz Gieryk * 135746d42b1SŁukasz Gieryk * - `sriov_vi_flexible` 136746d42b1SŁukasz Gieryk * Indicates the total number of flexible interrupt resources assignable to 137746d42b1SŁukasz Gieryk * all the secondary controllers. Implicitly sets the number of primary 138746d42b1SŁukasz Gieryk * controller's private resources to `(msix_qsize - sriov_vi_flexible)`. 139746d42b1SŁukasz Gieryk * 140746d42b1SŁukasz Gieryk * - `sriov_max_vi_per_vf` 141746d42b1SŁukasz Gieryk * Indicates the maximum number of virtual interrupt resources assignable 142746d42b1SŁukasz Gieryk * to a secondary controller. The default 0 resolves to 143746d42b1SŁukasz Gieryk * `(sriov_vi_flexible / sriov_max_vfs)`. 144746d42b1SŁukasz Gieryk * 145746d42b1SŁukasz Gieryk * - `sriov_max_vq_per_vf` 146746d42b1SŁukasz Gieryk * Indicates the maximum number of virtual queue resources assignable to 147746d42b1SŁukasz Gieryk * a secondary controller. The default 0 resolves to 148746d42b1SŁukasz Gieryk * `(sriov_vq_flexible / sriov_max_vfs)`. 149746d42b1SŁukasz Gieryk * 15088eea45cSKlaus Jensen * nvme namespace device parameters 15188eea45cSKlaus Jensen * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 15288eea45cSKlaus Jensen * - `shared` 15388eea45cSKlaus Jensen * When the parent nvme device (as defined explicitly by the 'bus' parameter 15488eea45cSKlaus Jensen * or implicitly by the most recently defined NvmeBus) is linked to an 15588eea45cSKlaus Jensen * nvme-subsys device, the namespace will be attached to all controllers in 15688eea45cSKlaus Jensen * the subsystem. If set to 'off' (the default), the namespace will remain a 15788eea45cSKlaus Jensen * private namespace and may only be attached to a single controller at a 15888eea45cSKlaus Jensen * time. 15988eea45cSKlaus Jensen * 16088eea45cSKlaus Jensen * - `detached` 16188eea45cSKlaus Jensen * This parameter is only valid together with the `subsys` parameter. If left 16288eea45cSKlaus Jensen * at the default value (`false/off`), the namespace will be attached to all 16388eea45cSKlaus Jensen * controllers in the NVMe subsystem at boot-up. If set to `true/on`, the 164eeef4329SGollu Appalanaidu * namespace will be available in the subsystem but not attached to any 16588eea45cSKlaus Jensen * controllers. 16688eea45cSKlaus Jensen * 16788eea45cSKlaus Jensen * Setting `zoned` to true selects Zoned Command Set at the namespace. 16888eea45cSKlaus Jensen * In this case, the following namespace properties are available to configure 16988eea45cSKlaus Jensen * zoned operation: 17088eea45cSKlaus Jensen * zoned.zone_size=<zone size in bytes, default: 128MiB> 17188eea45cSKlaus Jensen * The number may be followed by K, M, G as in kilo-, mega- or giga-. 17288eea45cSKlaus Jensen * 17388eea45cSKlaus Jensen * zoned.zone_capacity=<zone capacity in bytes, default: zone size> 17488eea45cSKlaus Jensen * The value 0 (default) forces zone capacity to be the same as zone 17588eea45cSKlaus Jensen * size. The value of this property may not exceed zone size. 17688eea45cSKlaus Jensen * 17788eea45cSKlaus Jensen * zoned.descr_ext_size=<zone descriptor extension size, default 0> 17888eea45cSKlaus Jensen * This value needs to be specified in 64B units. If it is zero, 17988eea45cSKlaus Jensen * namespace(s) will not support zone descriptor extensions. 18088eea45cSKlaus Jensen * 18188eea45cSKlaus Jensen * zoned.max_active=<Maximum Active Resources (zones), default: 0> 18288eea45cSKlaus Jensen * The default value means there is no limit to the number of 18388eea45cSKlaus Jensen * concurrently active zones. 18488eea45cSKlaus Jensen * 18588eea45cSKlaus Jensen * zoned.max_open=<Maximum Open Resources (zones), default: 0> 18688eea45cSKlaus Jensen * The default value means there is no limit to the number of 18788eea45cSKlaus Jensen * concurrently open zones. 18888eea45cSKlaus Jensen * 18988eea45cSKlaus Jensen * zoned.cross_read=<enable RAZB, default: false> 19088eea45cSKlaus Jensen * Setting this property to true enables Read Across Zone Boundaries. 19188eea45cSKlaus Jensen */ 19288eea45cSKlaus Jensen 19388eea45cSKlaus Jensen #include "qemu/osdep.h" 19488eea45cSKlaus Jensen #include "qemu/cutils.h" 19588eea45cSKlaus Jensen #include "qemu/error-report.h" 19688eea45cSKlaus Jensen #include "qemu/log.h" 19788eea45cSKlaus Jensen #include "qemu/units.h" 19811871f53SŁukasz Gieryk #include "qemu/range.h" 19988eea45cSKlaus Jensen #include "qapi/error.h" 20088eea45cSKlaus Jensen #include "qapi/visitor.h" 20188eea45cSKlaus Jensen #include "sysemu/sysemu.h" 20288eea45cSKlaus Jensen #include "sysemu/block-backend.h" 20388eea45cSKlaus Jensen #include "sysemu/hostmem.h" 20488eea45cSKlaus Jensen #include "hw/pci/msix.h" 20544c2c094SLukasz Maniak #include "hw/pci/pcie_sriov.h" 20688eea45cSKlaus Jensen #include "migration/vmstate.h" 20788eea45cSKlaus Jensen 20888eea45cSKlaus Jensen #include "nvme.h" 20905f7ae45SKlaus Jensen #include "dif.h" 21088eea45cSKlaus Jensen #include "trace.h" 21188eea45cSKlaus Jensen 21288eea45cSKlaus Jensen #define NVME_MAX_IOQPAIRS 0xffff 21388eea45cSKlaus Jensen #define NVME_DB_SIZE 4 21488eea45cSKlaus Jensen #define NVME_SPEC_VER 0x00010400 21588eea45cSKlaus Jensen #define NVME_CMB_BIR 2 21688eea45cSKlaus Jensen #define NVME_PMR_BIR 4 21788eea45cSKlaus Jensen #define NVME_TEMPERATURE 0x143 21888eea45cSKlaus Jensen #define NVME_TEMPERATURE_WARNING 0x157 21988eea45cSKlaus Jensen #define NVME_TEMPERATURE_CRITICAL 0x175 22088eea45cSKlaus Jensen #define NVME_NUM_FW_SLOTS 1 22188eea45cSKlaus Jensen #define NVME_DEFAULT_MAX_ZA_SIZE (128 * KiB) 22244c2c094SLukasz Maniak #define NVME_MAX_VFS 127 223746d42b1SŁukasz Gieryk #define NVME_VF_RES_GRANULARITY 1 22444c2c094SLukasz Maniak #define NVME_VF_OFFSET 0x1 22544c2c094SLukasz Maniak #define NVME_VF_STRIDE 1 22688eea45cSKlaus Jensen 22788eea45cSKlaus Jensen #define NVME_GUEST_ERR(trace, fmt, ...) \ 22888eea45cSKlaus Jensen do { \ 22988eea45cSKlaus Jensen (trace_##trace)(__VA_ARGS__); \ 23088eea45cSKlaus Jensen qemu_log_mask(LOG_GUEST_ERROR, #trace \ 23188eea45cSKlaus Jensen " in %s: " fmt "\n", __func__, ## __VA_ARGS__); \ 23288eea45cSKlaus Jensen } while (0) 23388eea45cSKlaus Jensen 23488eea45cSKlaus Jensen static const bool nvme_feature_support[NVME_FID_MAX] = { 23588eea45cSKlaus Jensen [NVME_ARBITRATION] = true, 23688eea45cSKlaus Jensen [NVME_POWER_MANAGEMENT] = true, 23788eea45cSKlaus Jensen [NVME_TEMPERATURE_THRESHOLD] = true, 23888eea45cSKlaus Jensen [NVME_ERROR_RECOVERY] = true, 23988eea45cSKlaus Jensen [NVME_VOLATILE_WRITE_CACHE] = true, 24088eea45cSKlaus Jensen [NVME_NUMBER_OF_QUEUES] = true, 24188eea45cSKlaus Jensen [NVME_INTERRUPT_COALESCING] = true, 24288eea45cSKlaus Jensen [NVME_INTERRUPT_VECTOR_CONF] = true, 24388eea45cSKlaus Jensen [NVME_WRITE_ATOMICITY] = true, 24488eea45cSKlaus Jensen [NVME_ASYNCHRONOUS_EVENT_CONF] = true, 24588eea45cSKlaus Jensen [NVME_TIMESTAMP] = true, 246d0c0697bSNaveen Nagar [NVME_HOST_BEHAVIOR_SUPPORT] = true, 24788eea45cSKlaus Jensen [NVME_COMMAND_SET_PROFILE] = true, 24873064edfSJesper Devantier [NVME_FDP_MODE] = true, 24973064edfSJesper Devantier [NVME_FDP_EVENTS] = true, 25088eea45cSKlaus Jensen }; 25188eea45cSKlaus Jensen 25288eea45cSKlaus Jensen static const uint32_t nvme_feature_cap[NVME_FID_MAX] = { 25388eea45cSKlaus Jensen [NVME_TEMPERATURE_THRESHOLD] = NVME_FEAT_CAP_CHANGE, 25488eea45cSKlaus Jensen [NVME_ERROR_RECOVERY] = NVME_FEAT_CAP_CHANGE | NVME_FEAT_CAP_NS, 25588eea45cSKlaus Jensen [NVME_VOLATILE_WRITE_CACHE] = NVME_FEAT_CAP_CHANGE, 25688eea45cSKlaus Jensen [NVME_NUMBER_OF_QUEUES] = NVME_FEAT_CAP_CHANGE, 25788eea45cSKlaus Jensen [NVME_ASYNCHRONOUS_EVENT_CONF] = NVME_FEAT_CAP_CHANGE, 25888eea45cSKlaus Jensen [NVME_TIMESTAMP] = NVME_FEAT_CAP_CHANGE, 259d0c0697bSNaveen Nagar [NVME_HOST_BEHAVIOR_SUPPORT] = NVME_FEAT_CAP_CHANGE, 26088eea45cSKlaus Jensen [NVME_COMMAND_SET_PROFILE] = NVME_FEAT_CAP_CHANGE, 26173064edfSJesper Devantier [NVME_FDP_MODE] = NVME_FEAT_CAP_CHANGE, 26273064edfSJesper Devantier [NVME_FDP_EVENTS] = NVME_FEAT_CAP_CHANGE | NVME_FEAT_CAP_NS, 26388eea45cSKlaus Jensen }; 26488eea45cSKlaus Jensen 26588eea45cSKlaus Jensen static const uint32_t nvme_cse_acs[256] = { 26688eea45cSKlaus Jensen [NVME_ADM_CMD_DELETE_SQ] = NVME_CMD_EFF_CSUPP, 26788eea45cSKlaus Jensen [NVME_ADM_CMD_CREATE_SQ] = NVME_CMD_EFF_CSUPP, 26888eea45cSKlaus Jensen [NVME_ADM_CMD_GET_LOG_PAGE] = NVME_CMD_EFF_CSUPP, 26988eea45cSKlaus Jensen [NVME_ADM_CMD_DELETE_CQ] = NVME_CMD_EFF_CSUPP, 27088eea45cSKlaus Jensen [NVME_ADM_CMD_CREATE_CQ] = NVME_CMD_EFF_CSUPP, 27188eea45cSKlaus Jensen [NVME_ADM_CMD_IDENTIFY] = NVME_CMD_EFF_CSUPP, 27288eea45cSKlaus Jensen [NVME_ADM_CMD_ABORT] = NVME_CMD_EFF_CSUPP, 27388eea45cSKlaus Jensen [NVME_ADM_CMD_SET_FEATURES] = NVME_CMD_EFF_CSUPP, 27488eea45cSKlaus Jensen [NVME_ADM_CMD_GET_FEATURES] = NVME_CMD_EFF_CSUPP, 27588eea45cSKlaus Jensen [NVME_ADM_CMD_ASYNC_EV_REQ] = NVME_CMD_EFF_CSUPP, 27688eea45cSKlaus Jensen [NVME_ADM_CMD_NS_ATTACHMENT] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_NIC, 27711871f53SŁukasz Gieryk [NVME_ADM_CMD_VIRT_MNGMT] = NVME_CMD_EFF_CSUPP, 2783f7fe8deSJinhao Fan [NVME_ADM_CMD_DBBUF_CONFIG] = NVME_CMD_EFF_CSUPP, 27988eea45cSKlaus Jensen [NVME_ADM_CMD_FORMAT_NVM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 280e181d3daSGollu Appalanaidu [NVME_ADM_CMD_DIRECTIVE_RECV] = NVME_CMD_EFF_CSUPP, 281e181d3daSGollu Appalanaidu [NVME_ADM_CMD_DIRECTIVE_SEND] = NVME_CMD_EFF_CSUPP, 28288eea45cSKlaus Jensen }; 28388eea45cSKlaus Jensen 28488eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_none[256]; 28588eea45cSKlaus Jensen 28688eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_nvm[256] = { 28788eea45cSKlaus Jensen [NVME_CMD_FLUSH] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 28888eea45cSKlaus Jensen [NVME_CMD_WRITE_ZEROES] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 28988eea45cSKlaus Jensen [NVME_CMD_WRITE] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 29088eea45cSKlaus Jensen [NVME_CMD_READ] = NVME_CMD_EFF_CSUPP, 29188eea45cSKlaus Jensen [NVME_CMD_DSM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 29288eea45cSKlaus Jensen [NVME_CMD_VERIFY] = NVME_CMD_EFF_CSUPP, 29388eea45cSKlaus Jensen [NVME_CMD_COPY] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 29488eea45cSKlaus Jensen [NVME_CMD_COMPARE] = NVME_CMD_EFF_CSUPP, 29573064edfSJesper Devantier [NVME_CMD_IO_MGMT_RECV] = NVME_CMD_EFF_CSUPP, 29673064edfSJesper Devantier [NVME_CMD_IO_MGMT_SEND] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 29788eea45cSKlaus Jensen }; 29888eea45cSKlaus Jensen 29988eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_zoned[256] = { 30088eea45cSKlaus Jensen [NVME_CMD_FLUSH] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 30188eea45cSKlaus Jensen [NVME_CMD_WRITE_ZEROES] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 30288eea45cSKlaus Jensen [NVME_CMD_WRITE] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 30388eea45cSKlaus Jensen [NVME_CMD_READ] = NVME_CMD_EFF_CSUPP, 30488eea45cSKlaus Jensen [NVME_CMD_DSM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 30588eea45cSKlaus Jensen [NVME_CMD_VERIFY] = NVME_CMD_EFF_CSUPP, 30688eea45cSKlaus Jensen [NVME_CMD_COPY] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 30788eea45cSKlaus Jensen [NVME_CMD_COMPARE] = NVME_CMD_EFF_CSUPP, 30888eea45cSKlaus Jensen [NVME_CMD_ZONE_APPEND] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 30988eea45cSKlaus Jensen [NVME_CMD_ZONE_MGMT_SEND] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 31088eea45cSKlaus Jensen [NVME_CMD_ZONE_MGMT_RECV] = NVME_CMD_EFF_CSUPP, 31188eea45cSKlaus Jensen }; 31288eea45cSKlaus Jensen 31388eea45cSKlaus Jensen static void nvme_process_sq(void *opaque); 31411871f53SŁukasz Gieryk static void nvme_ctrl_reset(NvmeCtrl *n, NvmeResetType rst); 31573064edfSJesper Devantier static inline uint64_t nvme_get_timestamp(const NvmeCtrl *n); 31688eea45cSKlaus Jensen 31788eea45cSKlaus Jensen static uint16_t nvme_sqid(NvmeRequest *req) 31888eea45cSKlaus Jensen { 31988eea45cSKlaus Jensen return le16_to_cpu(req->sq->sqid); 32088eea45cSKlaus Jensen } 32188eea45cSKlaus Jensen 32273064edfSJesper Devantier static inline uint16_t nvme_make_pid(NvmeNamespace *ns, uint16_t rg, 32373064edfSJesper Devantier uint16_t ph) 32473064edfSJesper Devantier { 32573064edfSJesper Devantier uint16_t rgif = ns->endgrp->fdp.rgif; 32673064edfSJesper Devantier 32773064edfSJesper Devantier if (!rgif) { 32873064edfSJesper Devantier return ph; 32973064edfSJesper Devantier } 33073064edfSJesper Devantier 33173064edfSJesper Devantier return (rg << (16 - rgif)) | ph; 33273064edfSJesper Devantier } 33373064edfSJesper Devantier 33473064edfSJesper Devantier static inline bool nvme_ph_valid(NvmeNamespace *ns, uint16_t ph) 33573064edfSJesper Devantier { 33673064edfSJesper Devantier return ph < ns->fdp.nphs; 33773064edfSJesper Devantier } 33873064edfSJesper Devantier 33973064edfSJesper Devantier static inline bool nvme_rg_valid(NvmeEnduranceGroup *endgrp, uint16_t rg) 34073064edfSJesper Devantier { 34173064edfSJesper Devantier return rg < endgrp->fdp.nrg; 34273064edfSJesper Devantier } 34373064edfSJesper Devantier 34473064edfSJesper Devantier static inline uint16_t nvme_pid2ph(NvmeNamespace *ns, uint16_t pid) 34573064edfSJesper Devantier { 34673064edfSJesper Devantier uint16_t rgif = ns->endgrp->fdp.rgif; 34773064edfSJesper Devantier 34873064edfSJesper Devantier if (!rgif) { 34973064edfSJesper Devantier return pid; 35073064edfSJesper Devantier } 35173064edfSJesper Devantier 35273064edfSJesper Devantier return pid & ((1 << (15 - rgif)) - 1); 35373064edfSJesper Devantier } 35473064edfSJesper Devantier 35573064edfSJesper Devantier static inline uint16_t nvme_pid2rg(NvmeNamespace *ns, uint16_t pid) 35673064edfSJesper Devantier { 35773064edfSJesper Devantier uint16_t rgif = ns->endgrp->fdp.rgif; 35873064edfSJesper Devantier 35973064edfSJesper Devantier if (!rgif) { 36073064edfSJesper Devantier return 0; 36173064edfSJesper Devantier } 36273064edfSJesper Devantier 36373064edfSJesper Devantier return pid >> (16 - rgif); 36473064edfSJesper Devantier } 36573064edfSJesper Devantier 36673064edfSJesper Devantier static inline bool nvme_parse_pid(NvmeNamespace *ns, uint16_t pid, 36773064edfSJesper Devantier uint16_t *ph, uint16_t *rg) 36873064edfSJesper Devantier { 36973064edfSJesper Devantier *rg = nvme_pid2rg(ns, pid); 37073064edfSJesper Devantier *ph = nvme_pid2ph(ns, pid); 37173064edfSJesper Devantier 37273064edfSJesper Devantier return nvme_ph_valid(ns, *ph) && nvme_rg_valid(ns->endgrp, *rg); 37373064edfSJesper Devantier } 37473064edfSJesper Devantier 37588eea45cSKlaus Jensen static void nvme_assign_zone_state(NvmeNamespace *ns, NvmeZone *zone, 37688eea45cSKlaus Jensen NvmeZoneState state) 37788eea45cSKlaus Jensen { 37888eea45cSKlaus Jensen if (QTAILQ_IN_USE(zone, entry)) { 37988eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 38088eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 38188eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->exp_open_zones, zone, entry); 38288eea45cSKlaus Jensen break; 38388eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 38488eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->imp_open_zones, zone, entry); 38588eea45cSKlaus Jensen break; 38688eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 38788eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->closed_zones, zone, entry); 38888eea45cSKlaus Jensen break; 38988eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 39088eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->full_zones, zone, entry); 39188eea45cSKlaus Jensen default: 39288eea45cSKlaus Jensen ; 39388eea45cSKlaus Jensen } 39488eea45cSKlaus Jensen } 39588eea45cSKlaus Jensen 39688eea45cSKlaus Jensen nvme_set_zone_state(zone, state); 39788eea45cSKlaus Jensen 39888eea45cSKlaus Jensen switch (state) { 39988eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 40088eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->exp_open_zones, zone, entry); 40188eea45cSKlaus Jensen break; 40288eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 40388eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->imp_open_zones, zone, entry); 40488eea45cSKlaus Jensen break; 40588eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 40688eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->closed_zones, zone, entry); 40788eea45cSKlaus Jensen break; 40888eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 40988eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->full_zones, zone, entry); 41088eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 41188eea45cSKlaus Jensen break; 41288eea45cSKlaus Jensen default: 41388eea45cSKlaus Jensen zone->d.za = 0; 41488eea45cSKlaus Jensen } 41588eea45cSKlaus Jensen } 41688eea45cSKlaus Jensen 417e321b4cdSKlaus Jensen static uint16_t nvme_zns_check_resources(NvmeNamespace *ns, uint32_t act, 418e321b4cdSKlaus Jensen uint32_t opn, uint32_t zrwa) 41988eea45cSKlaus Jensen { 42088eea45cSKlaus Jensen if (ns->params.max_active_zones != 0 && 42188eea45cSKlaus Jensen ns->nr_active_zones + act > ns->params.max_active_zones) { 42288eea45cSKlaus Jensen trace_pci_nvme_err_insuff_active_res(ns->params.max_active_zones); 42388eea45cSKlaus Jensen return NVME_ZONE_TOO_MANY_ACTIVE | NVME_DNR; 42488eea45cSKlaus Jensen } 425e321b4cdSKlaus Jensen 42688eea45cSKlaus Jensen if (ns->params.max_open_zones != 0 && 42788eea45cSKlaus Jensen ns->nr_open_zones + opn > ns->params.max_open_zones) { 42888eea45cSKlaus Jensen trace_pci_nvme_err_insuff_open_res(ns->params.max_open_zones); 42988eea45cSKlaus Jensen return NVME_ZONE_TOO_MANY_OPEN | NVME_DNR; 43088eea45cSKlaus Jensen } 43188eea45cSKlaus Jensen 432e321b4cdSKlaus Jensen if (zrwa > ns->zns.numzrwa) { 433e321b4cdSKlaus Jensen return NVME_NOZRWA | NVME_DNR; 434e321b4cdSKlaus Jensen } 435e321b4cdSKlaus Jensen 43688eea45cSKlaus Jensen return NVME_SUCCESS; 43788eea45cSKlaus Jensen } 43888eea45cSKlaus Jensen 439e321b4cdSKlaus Jensen /* 440e321b4cdSKlaus Jensen * Check if we can open a zone without exceeding open/active limits. 441e321b4cdSKlaus Jensen * AOR stands for "Active and Open Resources" (see TP 4053 section 2.5). 442e321b4cdSKlaus Jensen */ 443e321b4cdSKlaus Jensen static uint16_t nvme_aor_check(NvmeNamespace *ns, uint32_t act, uint32_t opn) 444e321b4cdSKlaus Jensen { 445e321b4cdSKlaus Jensen return nvme_zns_check_resources(ns, act, opn, 0); 446e321b4cdSKlaus Jensen } 447e321b4cdSKlaus Jensen 44873064edfSJesper Devantier static NvmeFdpEvent *nvme_fdp_alloc_event(NvmeCtrl *n, NvmeFdpEventBuffer *ebuf) 44973064edfSJesper Devantier { 45073064edfSJesper Devantier NvmeFdpEvent *ret = NULL; 45173064edfSJesper Devantier bool is_full = ebuf->next == ebuf->start && ebuf->nelems; 45273064edfSJesper Devantier 45373064edfSJesper Devantier ret = &ebuf->events[ebuf->next++]; 45473064edfSJesper Devantier if (unlikely(ebuf->next == NVME_FDP_MAX_EVENTS)) { 45573064edfSJesper Devantier ebuf->next = 0; 45673064edfSJesper Devantier } 45773064edfSJesper Devantier if (is_full) { 45873064edfSJesper Devantier ebuf->start = ebuf->next; 45973064edfSJesper Devantier } else { 46073064edfSJesper Devantier ebuf->nelems++; 46173064edfSJesper Devantier } 46273064edfSJesper Devantier 46373064edfSJesper Devantier memset(ret, 0, sizeof(NvmeFdpEvent)); 46473064edfSJesper Devantier ret->timestamp = nvme_get_timestamp(n); 46573064edfSJesper Devantier 46673064edfSJesper Devantier return ret; 46773064edfSJesper Devantier } 46873064edfSJesper Devantier 46973064edfSJesper Devantier static inline int log_event(NvmeRuHandle *ruh, uint8_t event_type) 47073064edfSJesper Devantier { 47173064edfSJesper Devantier return (ruh->event_filter >> nvme_fdp_evf_shifts[event_type]) & 0x1; 47273064edfSJesper Devantier } 47373064edfSJesper Devantier 47473064edfSJesper Devantier static bool nvme_update_ruh(NvmeCtrl *n, NvmeNamespace *ns, uint16_t pid) 47573064edfSJesper Devantier { 47673064edfSJesper Devantier NvmeEnduranceGroup *endgrp = ns->endgrp; 47773064edfSJesper Devantier NvmeRuHandle *ruh; 47873064edfSJesper Devantier NvmeReclaimUnit *ru; 47973064edfSJesper Devantier NvmeFdpEvent *e = NULL; 48073064edfSJesper Devantier uint16_t ph, rg, ruhid; 48173064edfSJesper Devantier 48273064edfSJesper Devantier if (!nvme_parse_pid(ns, pid, &ph, &rg)) { 48373064edfSJesper Devantier return false; 48473064edfSJesper Devantier } 48573064edfSJesper Devantier 48673064edfSJesper Devantier ruhid = ns->fdp.phs[ph]; 48773064edfSJesper Devantier 48873064edfSJesper Devantier ruh = &endgrp->fdp.ruhs[ruhid]; 48973064edfSJesper Devantier ru = &ruh->rus[rg]; 49073064edfSJesper Devantier 49173064edfSJesper Devantier if (ru->ruamw) { 49273064edfSJesper Devantier if (log_event(ruh, FDP_EVT_RU_NOT_FULLY_WRITTEN)) { 49373064edfSJesper Devantier e = nvme_fdp_alloc_event(n, &endgrp->fdp.host_events); 49473064edfSJesper Devantier e->type = FDP_EVT_RU_NOT_FULLY_WRITTEN; 49573064edfSJesper Devantier e->flags = FDPEF_PIV | FDPEF_NSIDV | FDPEF_LV; 49673064edfSJesper Devantier e->pid = cpu_to_le16(pid); 49773064edfSJesper Devantier e->nsid = cpu_to_le32(ns->params.nsid); 49873064edfSJesper Devantier e->rgid = cpu_to_le16(rg); 49973064edfSJesper Devantier e->ruhid = cpu_to_le16(ruhid); 50073064edfSJesper Devantier } 50173064edfSJesper Devantier 50273064edfSJesper Devantier /* log (eventual) GC overhead of prematurely swapping the RU */ 50373064edfSJesper Devantier nvme_fdp_stat_inc(&endgrp->fdp.mbmw, nvme_l2b(ns, ru->ruamw)); 50473064edfSJesper Devantier } 50573064edfSJesper Devantier 50673064edfSJesper Devantier ru->ruamw = ruh->ruamw; 50773064edfSJesper Devantier 50873064edfSJesper Devantier return true; 50973064edfSJesper Devantier } 51073064edfSJesper Devantier 51188eea45cSKlaus Jensen static bool nvme_addr_is_cmb(NvmeCtrl *n, hwaddr addr) 51288eea45cSKlaus Jensen { 51388eea45cSKlaus Jensen hwaddr hi, lo; 51488eea45cSKlaus Jensen 51588eea45cSKlaus Jensen if (!n->cmb.cmse) { 51688eea45cSKlaus Jensen return false; 51788eea45cSKlaus Jensen } 51888eea45cSKlaus Jensen 51988eea45cSKlaus Jensen lo = n->params.legacy_cmb ? n->cmb.mem.addr : n->cmb.cba; 52088eea45cSKlaus Jensen hi = lo + int128_get64(n->cmb.mem.size); 52188eea45cSKlaus Jensen 52288eea45cSKlaus Jensen return addr >= lo && addr < hi; 52388eea45cSKlaus Jensen } 52488eea45cSKlaus Jensen 52588eea45cSKlaus Jensen static inline void *nvme_addr_to_cmb(NvmeCtrl *n, hwaddr addr) 52688eea45cSKlaus Jensen { 52788eea45cSKlaus Jensen hwaddr base = n->params.legacy_cmb ? n->cmb.mem.addr : n->cmb.cba; 52888eea45cSKlaus Jensen return &n->cmb.buf[addr - base]; 52988eea45cSKlaus Jensen } 53088eea45cSKlaus Jensen 53188eea45cSKlaus Jensen static bool nvme_addr_is_pmr(NvmeCtrl *n, hwaddr addr) 53288eea45cSKlaus Jensen { 53388eea45cSKlaus Jensen hwaddr hi; 53488eea45cSKlaus Jensen 53588eea45cSKlaus Jensen if (!n->pmr.cmse) { 53688eea45cSKlaus Jensen return false; 53788eea45cSKlaus Jensen } 53888eea45cSKlaus Jensen 53988eea45cSKlaus Jensen hi = n->pmr.cba + int128_get64(n->pmr.dev->mr.size); 54088eea45cSKlaus Jensen 54188eea45cSKlaus Jensen return addr >= n->pmr.cba && addr < hi; 54288eea45cSKlaus Jensen } 54388eea45cSKlaus Jensen 54488eea45cSKlaus Jensen static inline void *nvme_addr_to_pmr(NvmeCtrl *n, hwaddr addr) 54588eea45cSKlaus Jensen { 54688eea45cSKlaus Jensen return memory_region_get_ram_ptr(&n->pmr.dev->mr) + (addr - n->pmr.cba); 54788eea45cSKlaus Jensen } 54888eea45cSKlaus Jensen 549736b0164SKlaus Jensen static inline bool nvme_addr_is_iomem(NvmeCtrl *n, hwaddr addr) 550736b0164SKlaus Jensen { 551736b0164SKlaus Jensen hwaddr hi, lo; 552736b0164SKlaus Jensen 553736b0164SKlaus Jensen /* 554736b0164SKlaus Jensen * The purpose of this check is to guard against invalid "local" access to 555736b0164SKlaus Jensen * the iomem (i.e. controller registers). Thus, we check against the range 556736b0164SKlaus Jensen * covered by the 'bar0' MemoryRegion since that is currently composed of 557736b0164SKlaus Jensen * two subregions (the NVMe "MBAR" and the MSI-X table/pba). Note, however, 558736b0164SKlaus Jensen * that if the device model is ever changed to allow the CMB to be located 559736b0164SKlaus Jensen * in BAR0 as well, then this must be changed. 560736b0164SKlaus Jensen */ 561736b0164SKlaus Jensen lo = n->bar0.addr; 562736b0164SKlaus Jensen hi = lo + int128_get64(n->bar0.size); 563736b0164SKlaus Jensen 564736b0164SKlaus Jensen return addr >= lo && addr < hi; 565736b0164SKlaus Jensen } 566736b0164SKlaus Jensen 56788eea45cSKlaus Jensen static int nvme_addr_read(NvmeCtrl *n, hwaddr addr, void *buf, int size) 56888eea45cSKlaus Jensen { 56988eea45cSKlaus Jensen hwaddr hi = addr + size - 1; 57088eea45cSKlaus Jensen if (hi < addr) { 57188eea45cSKlaus Jensen return 1; 57288eea45cSKlaus Jensen } 57388eea45cSKlaus Jensen 57488eea45cSKlaus Jensen if (n->bar.cmbsz && nvme_addr_is_cmb(n, addr) && nvme_addr_is_cmb(n, hi)) { 57588eea45cSKlaus Jensen memcpy(buf, nvme_addr_to_cmb(n, addr), size); 57688eea45cSKlaus Jensen return 0; 57788eea45cSKlaus Jensen } 57888eea45cSKlaus Jensen 57988eea45cSKlaus Jensen if (nvme_addr_is_pmr(n, addr) && nvme_addr_is_pmr(n, hi)) { 58088eea45cSKlaus Jensen memcpy(buf, nvme_addr_to_pmr(n, addr), size); 58188eea45cSKlaus Jensen return 0; 58288eea45cSKlaus Jensen } 58388eea45cSKlaus Jensen 58448b32c28SKlaus Jensen return pci_dma_read(PCI_DEVICE(n), addr, buf, size); 58588eea45cSKlaus Jensen } 58688eea45cSKlaus Jensen 587e080ce86SPhilippe Mathieu-Daudé static int nvme_addr_write(NvmeCtrl *n, hwaddr addr, const void *buf, int size) 58888eea45cSKlaus Jensen { 58988eea45cSKlaus Jensen hwaddr hi = addr + size - 1; 59088eea45cSKlaus Jensen if (hi < addr) { 59188eea45cSKlaus Jensen return 1; 59288eea45cSKlaus Jensen } 59388eea45cSKlaus Jensen 59488eea45cSKlaus Jensen if (n->bar.cmbsz && nvme_addr_is_cmb(n, addr) && nvme_addr_is_cmb(n, hi)) { 59588eea45cSKlaus Jensen memcpy(nvme_addr_to_cmb(n, addr), buf, size); 59688eea45cSKlaus Jensen return 0; 59788eea45cSKlaus Jensen } 59888eea45cSKlaus Jensen 59988eea45cSKlaus Jensen if (nvme_addr_is_pmr(n, addr) && nvme_addr_is_pmr(n, hi)) { 60088eea45cSKlaus Jensen memcpy(nvme_addr_to_pmr(n, addr), buf, size); 60188eea45cSKlaus Jensen return 0; 60288eea45cSKlaus Jensen } 60388eea45cSKlaus Jensen 60448b32c28SKlaus Jensen return pci_dma_write(PCI_DEVICE(n), addr, buf, size); 60588eea45cSKlaus Jensen } 60688eea45cSKlaus Jensen 60788eea45cSKlaus Jensen static bool nvme_nsid_valid(NvmeCtrl *n, uint32_t nsid) 60888eea45cSKlaus Jensen { 60988eea45cSKlaus Jensen return nsid && 61088eea45cSKlaus Jensen (nsid == NVME_NSID_BROADCAST || nsid <= NVME_MAX_NAMESPACES); 61188eea45cSKlaus Jensen } 61288eea45cSKlaus Jensen 61388eea45cSKlaus Jensen static int nvme_check_sqid(NvmeCtrl *n, uint16_t sqid) 61488eea45cSKlaus Jensen { 615decc0261SŁukasz Gieryk return sqid < n->conf_ioqpairs + 1 && n->sq[sqid] != NULL ? 0 : -1; 61688eea45cSKlaus Jensen } 61788eea45cSKlaus Jensen 61888eea45cSKlaus Jensen static int nvme_check_cqid(NvmeCtrl *n, uint16_t cqid) 61988eea45cSKlaus Jensen { 620decc0261SŁukasz Gieryk return cqid < n->conf_ioqpairs + 1 && n->cq[cqid] != NULL ? 0 : -1; 62188eea45cSKlaus Jensen } 62288eea45cSKlaus Jensen 62388eea45cSKlaus Jensen static void nvme_inc_cq_tail(NvmeCQueue *cq) 62488eea45cSKlaus Jensen { 62588eea45cSKlaus Jensen cq->tail++; 62688eea45cSKlaus Jensen if (cq->tail >= cq->size) { 62788eea45cSKlaus Jensen cq->tail = 0; 62888eea45cSKlaus Jensen cq->phase = !cq->phase; 62988eea45cSKlaus Jensen } 63088eea45cSKlaus Jensen } 63188eea45cSKlaus Jensen 63288eea45cSKlaus Jensen static void nvme_inc_sq_head(NvmeSQueue *sq) 63388eea45cSKlaus Jensen { 63488eea45cSKlaus Jensen sq->head = (sq->head + 1) % sq->size; 63588eea45cSKlaus Jensen } 63688eea45cSKlaus Jensen 63788eea45cSKlaus Jensen static uint8_t nvme_cq_full(NvmeCQueue *cq) 63888eea45cSKlaus Jensen { 63988eea45cSKlaus Jensen return (cq->tail + 1) % cq->size == cq->head; 64088eea45cSKlaus Jensen } 64188eea45cSKlaus Jensen 64288eea45cSKlaus Jensen static uint8_t nvme_sq_empty(NvmeSQueue *sq) 64388eea45cSKlaus Jensen { 64488eea45cSKlaus Jensen return sq->head == sq->tail; 64588eea45cSKlaus Jensen } 64688eea45cSKlaus Jensen 64788eea45cSKlaus Jensen static void nvme_irq_check(NvmeCtrl *n) 64888eea45cSKlaus Jensen { 64948b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 65049e03457SKlaus Jensen uint32_t intms = ldl_le_p(&n->bar.intms); 65149e03457SKlaus Jensen 65248b32c28SKlaus Jensen if (msix_enabled(pci)) { 65388eea45cSKlaus Jensen return; 65488eea45cSKlaus Jensen } 65549e03457SKlaus Jensen if (~intms & n->irq_status) { 65648b32c28SKlaus Jensen pci_irq_assert(pci); 65788eea45cSKlaus Jensen } else { 65848b32c28SKlaus Jensen pci_irq_deassert(pci); 65988eea45cSKlaus Jensen } 66088eea45cSKlaus Jensen } 66188eea45cSKlaus Jensen 66288eea45cSKlaus Jensen static void nvme_irq_assert(NvmeCtrl *n, NvmeCQueue *cq) 66388eea45cSKlaus Jensen { 66448b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 66548b32c28SKlaus Jensen 66688eea45cSKlaus Jensen if (cq->irq_enabled) { 66748b32c28SKlaus Jensen if (msix_enabled(pci)) { 66888eea45cSKlaus Jensen trace_pci_nvme_irq_msix(cq->vector); 66948b32c28SKlaus Jensen msix_notify(pci, cq->vector); 67088eea45cSKlaus Jensen } else { 67188eea45cSKlaus Jensen trace_pci_nvme_irq_pin(); 67288eea45cSKlaus Jensen assert(cq->vector < 32); 67388eea45cSKlaus Jensen n->irq_status |= 1 << cq->vector; 67488eea45cSKlaus Jensen nvme_irq_check(n); 67588eea45cSKlaus Jensen } 67688eea45cSKlaus Jensen } else { 67788eea45cSKlaus Jensen trace_pci_nvme_irq_masked(); 67888eea45cSKlaus Jensen } 67988eea45cSKlaus Jensen } 68088eea45cSKlaus Jensen 68188eea45cSKlaus Jensen static void nvme_irq_deassert(NvmeCtrl *n, NvmeCQueue *cq) 68288eea45cSKlaus Jensen { 68388eea45cSKlaus Jensen if (cq->irq_enabled) { 68448b32c28SKlaus Jensen if (msix_enabled(PCI_DEVICE(n))) { 68588eea45cSKlaus Jensen return; 68688eea45cSKlaus Jensen } else { 68788eea45cSKlaus Jensen assert(cq->vector < 32); 68883d7ed5cSKlaus Jensen if (!n->cq_pending) { 68988eea45cSKlaus Jensen n->irq_status &= ~(1 << cq->vector); 69083d7ed5cSKlaus Jensen } 69188eea45cSKlaus Jensen nvme_irq_check(n); 69288eea45cSKlaus Jensen } 69388eea45cSKlaus Jensen } 69488eea45cSKlaus Jensen } 69588eea45cSKlaus Jensen 69688eea45cSKlaus Jensen static void nvme_req_clear(NvmeRequest *req) 69788eea45cSKlaus Jensen { 69888eea45cSKlaus Jensen req->ns = NULL; 69988eea45cSKlaus Jensen req->opaque = NULL; 70088eea45cSKlaus Jensen req->aiocb = NULL; 70188eea45cSKlaus Jensen memset(&req->cqe, 0x0, sizeof(req->cqe)); 70288eea45cSKlaus Jensen req->status = NVME_SUCCESS; 70388eea45cSKlaus Jensen } 70488eea45cSKlaus Jensen 70588eea45cSKlaus Jensen static inline void nvme_sg_init(NvmeCtrl *n, NvmeSg *sg, bool dma) 70688eea45cSKlaus Jensen { 70788eea45cSKlaus Jensen if (dma) { 70848b32c28SKlaus Jensen pci_dma_sglist_init(&sg->qsg, PCI_DEVICE(n), 0); 70988eea45cSKlaus Jensen sg->flags = NVME_SG_DMA; 71088eea45cSKlaus Jensen } else { 71188eea45cSKlaus Jensen qemu_iovec_init(&sg->iov, 0); 71288eea45cSKlaus Jensen } 71388eea45cSKlaus Jensen 71488eea45cSKlaus Jensen sg->flags |= NVME_SG_ALLOC; 71588eea45cSKlaus Jensen } 71688eea45cSKlaus Jensen 71788eea45cSKlaus Jensen static inline void nvme_sg_unmap(NvmeSg *sg) 71888eea45cSKlaus Jensen { 71988eea45cSKlaus Jensen if (!(sg->flags & NVME_SG_ALLOC)) { 72088eea45cSKlaus Jensen return; 72188eea45cSKlaus Jensen } 72288eea45cSKlaus Jensen 72388eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 72488eea45cSKlaus Jensen qemu_sglist_destroy(&sg->qsg); 72588eea45cSKlaus Jensen } else { 72688eea45cSKlaus Jensen qemu_iovec_destroy(&sg->iov); 72788eea45cSKlaus Jensen } 72888eea45cSKlaus Jensen 72988eea45cSKlaus Jensen memset(sg, 0x0, sizeof(*sg)); 73088eea45cSKlaus Jensen } 73188eea45cSKlaus Jensen 73288eea45cSKlaus Jensen /* 73388eea45cSKlaus Jensen * When metadata is transfered as extended LBAs, the DPTR mapped into `sg` 73488eea45cSKlaus Jensen * holds both data and metadata. This function splits the data and metadata 73588eea45cSKlaus Jensen * into two separate QSG/IOVs. 73688eea45cSKlaus Jensen */ 73788eea45cSKlaus Jensen static void nvme_sg_split(NvmeSg *sg, NvmeNamespace *ns, NvmeSg *data, 73888eea45cSKlaus Jensen NvmeSg *mdata) 73988eea45cSKlaus Jensen { 74088eea45cSKlaus Jensen NvmeSg *dst = data; 74188eea45cSKlaus Jensen uint32_t trans_len, count = ns->lbasz; 74288eea45cSKlaus Jensen uint64_t offset = 0; 74388eea45cSKlaus Jensen bool dma = sg->flags & NVME_SG_DMA; 74488eea45cSKlaus Jensen size_t sge_len; 74588eea45cSKlaus Jensen size_t sg_len = dma ? sg->qsg.size : sg->iov.size; 74688eea45cSKlaus Jensen int sg_idx = 0; 74788eea45cSKlaus Jensen 74888eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 74988eea45cSKlaus Jensen 75088eea45cSKlaus Jensen while (sg_len) { 75188eea45cSKlaus Jensen sge_len = dma ? sg->qsg.sg[sg_idx].len : sg->iov.iov[sg_idx].iov_len; 75288eea45cSKlaus Jensen 75388eea45cSKlaus Jensen trans_len = MIN(sg_len, count); 75488eea45cSKlaus Jensen trans_len = MIN(trans_len, sge_len - offset); 75588eea45cSKlaus Jensen 75688eea45cSKlaus Jensen if (dst) { 75788eea45cSKlaus Jensen if (dma) { 75888eea45cSKlaus Jensen qemu_sglist_add(&dst->qsg, sg->qsg.sg[sg_idx].base + offset, 75988eea45cSKlaus Jensen trans_len); 76088eea45cSKlaus Jensen } else { 76188eea45cSKlaus Jensen qemu_iovec_add(&dst->iov, 76288eea45cSKlaus Jensen sg->iov.iov[sg_idx].iov_base + offset, 76388eea45cSKlaus Jensen trans_len); 76488eea45cSKlaus Jensen } 76588eea45cSKlaus Jensen } 76688eea45cSKlaus Jensen 76788eea45cSKlaus Jensen sg_len -= trans_len; 76888eea45cSKlaus Jensen count -= trans_len; 76988eea45cSKlaus Jensen offset += trans_len; 77088eea45cSKlaus Jensen 77188eea45cSKlaus Jensen if (count == 0) { 77288eea45cSKlaus Jensen dst = (dst == data) ? mdata : data; 77388eea45cSKlaus Jensen count = (dst == data) ? ns->lbasz : ns->lbaf.ms; 77488eea45cSKlaus Jensen } 77588eea45cSKlaus Jensen 77688eea45cSKlaus Jensen if (sge_len == offset) { 77788eea45cSKlaus Jensen offset = 0; 77888eea45cSKlaus Jensen sg_idx++; 77988eea45cSKlaus Jensen } 78088eea45cSKlaus Jensen } 78188eea45cSKlaus Jensen } 78288eea45cSKlaus Jensen 78388eea45cSKlaus Jensen static uint16_t nvme_map_addr_cmb(NvmeCtrl *n, QEMUIOVector *iov, hwaddr addr, 78488eea45cSKlaus Jensen size_t len) 78588eea45cSKlaus Jensen { 78688eea45cSKlaus Jensen if (!len) { 78788eea45cSKlaus Jensen return NVME_SUCCESS; 78888eea45cSKlaus Jensen } 78988eea45cSKlaus Jensen 79088eea45cSKlaus Jensen trace_pci_nvme_map_addr_cmb(addr, len); 79188eea45cSKlaus Jensen 79288eea45cSKlaus Jensen if (!nvme_addr_is_cmb(n, addr) || !nvme_addr_is_cmb(n, addr + len - 1)) { 79388eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 79488eea45cSKlaus Jensen } 79588eea45cSKlaus Jensen 79688eea45cSKlaus Jensen qemu_iovec_add(iov, nvme_addr_to_cmb(n, addr), len); 79788eea45cSKlaus Jensen 79888eea45cSKlaus Jensen return NVME_SUCCESS; 79988eea45cSKlaus Jensen } 80088eea45cSKlaus Jensen 80188eea45cSKlaus Jensen static uint16_t nvme_map_addr_pmr(NvmeCtrl *n, QEMUIOVector *iov, hwaddr addr, 80288eea45cSKlaus Jensen size_t len) 80388eea45cSKlaus Jensen { 80488eea45cSKlaus Jensen if (!len) { 80588eea45cSKlaus Jensen return NVME_SUCCESS; 80688eea45cSKlaus Jensen } 80788eea45cSKlaus Jensen 80888eea45cSKlaus Jensen if (!nvme_addr_is_pmr(n, addr) || !nvme_addr_is_pmr(n, addr + len - 1)) { 80988eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 81088eea45cSKlaus Jensen } 81188eea45cSKlaus Jensen 81288eea45cSKlaus Jensen qemu_iovec_add(iov, nvme_addr_to_pmr(n, addr), len); 81388eea45cSKlaus Jensen 81488eea45cSKlaus Jensen return NVME_SUCCESS; 81588eea45cSKlaus Jensen } 81688eea45cSKlaus Jensen 81788eea45cSKlaus Jensen static uint16_t nvme_map_addr(NvmeCtrl *n, NvmeSg *sg, hwaddr addr, size_t len) 81888eea45cSKlaus Jensen { 81988eea45cSKlaus Jensen bool cmb = false, pmr = false; 82088eea45cSKlaus Jensen 82188eea45cSKlaus Jensen if (!len) { 82288eea45cSKlaus Jensen return NVME_SUCCESS; 82388eea45cSKlaus Jensen } 82488eea45cSKlaus Jensen 82588eea45cSKlaus Jensen trace_pci_nvme_map_addr(addr, len); 82688eea45cSKlaus Jensen 827736b0164SKlaus Jensen if (nvme_addr_is_iomem(n, addr)) { 828736b0164SKlaus Jensen return NVME_DATA_TRAS_ERROR; 829736b0164SKlaus Jensen } 830736b0164SKlaus Jensen 83188eea45cSKlaus Jensen if (nvme_addr_is_cmb(n, addr)) { 83288eea45cSKlaus Jensen cmb = true; 83388eea45cSKlaus Jensen } else if (nvme_addr_is_pmr(n, addr)) { 83488eea45cSKlaus Jensen pmr = true; 83588eea45cSKlaus Jensen } 83688eea45cSKlaus Jensen 83788eea45cSKlaus Jensen if (cmb || pmr) { 83888eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 83988eea45cSKlaus Jensen return NVME_INVALID_USE_OF_CMB | NVME_DNR; 84088eea45cSKlaus Jensen } 84188eea45cSKlaus Jensen 84223421473SPadmakar Kalghatgi if (sg->iov.niov + 1 > IOV_MAX) { 84323421473SPadmakar Kalghatgi goto max_mappings_exceeded; 84423421473SPadmakar Kalghatgi } 84523421473SPadmakar Kalghatgi 84688eea45cSKlaus Jensen if (cmb) { 84788eea45cSKlaus Jensen return nvme_map_addr_cmb(n, &sg->iov, addr, len); 84888eea45cSKlaus Jensen } else { 84988eea45cSKlaus Jensen return nvme_map_addr_pmr(n, &sg->iov, addr, len); 85088eea45cSKlaus Jensen } 85188eea45cSKlaus Jensen } 85288eea45cSKlaus Jensen 85388eea45cSKlaus Jensen if (!(sg->flags & NVME_SG_DMA)) { 85488eea45cSKlaus Jensen return NVME_INVALID_USE_OF_CMB | NVME_DNR; 85588eea45cSKlaus Jensen } 85688eea45cSKlaus Jensen 85723421473SPadmakar Kalghatgi if (sg->qsg.nsg + 1 > IOV_MAX) { 85823421473SPadmakar Kalghatgi goto max_mappings_exceeded; 85923421473SPadmakar Kalghatgi } 86023421473SPadmakar Kalghatgi 86188eea45cSKlaus Jensen qemu_sglist_add(&sg->qsg, addr, len); 86288eea45cSKlaus Jensen 86388eea45cSKlaus Jensen return NVME_SUCCESS; 86423421473SPadmakar Kalghatgi 86523421473SPadmakar Kalghatgi max_mappings_exceeded: 86623421473SPadmakar Kalghatgi NVME_GUEST_ERR(pci_nvme_ub_too_many_mappings, 86723421473SPadmakar Kalghatgi "number of mappings exceed 1024"); 86823421473SPadmakar Kalghatgi return NVME_INTERNAL_DEV_ERROR | NVME_DNR; 86988eea45cSKlaus Jensen } 87088eea45cSKlaus Jensen 87188eea45cSKlaus Jensen static inline bool nvme_addr_is_dma(NvmeCtrl *n, hwaddr addr) 87288eea45cSKlaus Jensen { 87388eea45cSKlaus Jensen return !(nvme_addr_is_cmb(n, addr) || nvme_addr_is_pmr(n, addr)); 87488eea45cSKlaus Jensen } 87588eea45cSKlaus Jensen 87688eea45cSKlaus Jensen static uint16_t nvme_map_prp(NvmeCtrl *n, NvmeSg *sg, uint64_t prp1, 87788eea45cSKlaus Jensen uint64_t prp2, uint32_t len) 87888eea45cSKlaus Jensen { 87988eea45cSKlaus Jensen hwaddr trans_len = n->page_size - (prp1 % n->page_size); 88088eea45cSKlaus Jensen trans_len = MIN(len, trans_len); 88188eea45cSKlaus Jensen int num_prps = (len >> n->page_bits) + 1; 88288eea45cSKlaus Jensen uint16_t status; 88388eea45cSKlaus Jensen int ret; 88488eea45cSKlaus Jensen 88588eea45cSKlaus Jensen trace_pci_nvme_map_prp(trans_len, len, prp1, prp2, num_prps); 88688eea45cSKlaus Jensen 88788eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, prp1)); 88888eea45cSKlaus Jensen 88988eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp1, trans_len); 89088eea45cSKlaus Jensen if (status) { 89188eea45cSKlaus Jensen goto unmap; 89288eea45cSKlaus Jensen } 89388eea45cSKlaus Jensen 89488eea45cSKlaus Jensen len -= trans_len; 89588eea45cSKlaus Jensen if (len) { 89688eea45cSKlaus Jensen if (len > n->page_size) { 89788eea45cSKlaus Jensen uint64_t prp_list[n->max_prp_ents]; 89888eea45cSKlaus Jensen uint32_t nents, prp_trans; 89988eea45cSKlaus Jensen int i = 0; 90088eea45cSKlaus Jensen 90188eea45cSKlaus Jensen /* 90288eea45cSKlaus Jensen * The first PRP list entry, pointed to by PRP2 may contain offset. 90388eea45cSKlaus Jensen * Hence, we need to calculate the number of entries in based on 90488eea45cSKlaus Jensen * that offset. 90588eea45cSKlaus Jensen */ 90688eea45cSKlaus Jensen nents = (n->page_size - (prp2 & (n->page_size - 1))) >> 3; 90788eea45cSKlaus Jensen prp_trans = MIN(n->max_prp_ents, nents) * sizeof(uint64_t); 90888eea45cSKlaus Jensen ret = nvme_addr_read(n, prp2, (void *)prp_list, prp_trans); 90988eea45cSKlaus Jensen if (ret) { 91088eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(prp2); 91188eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 91288eea45cSKlaus Jensen goto unmap; 91388eea45cSKlaus Jensen } 91488eea45cSKlaus Jensen while (len != 0) { 91588eea45cSKlaus Jensen uint64_t prp_ent = le64_to_cpu(prp_list[i]); 91688eea45cSKlaus Jensen 91788eea45cSKlaus Jensen if (i == nents - 1 && len > n->page_size) { 91888eea45cSKlaus Jensen if (unlikely(prp_ent & (n->page_size - 1))) { 91988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prplist_ent(prp_ent); 92088eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 92188eea45cSKlaus Jensen goto unmap; 92288eea45cSKlaus Jensen } 92388eea45cSKlaus Jensen 92488eea45cSKlaus Jensen i = 0; 92588eea45cSKlaus Jensen nents = (len + n->page_size - 1) >> n->page_bits; 92688eea45cSKlaus Jensen nents = MIN(nents, n->max_prp_ents); 92788eea45cSKlaus Jensen prp_trans = nents * sizeof(uint64_t); 92888eea45cSKlaus Jensen ret = nvme_addr_read(n, prp_ent, (void *)prp_list, 92988eea45cSKlaus Jensen prp_trans); 93088eea45cSKlaus Jensen if (ret) { 93188eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(prp_ent); 93288eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 93388eea45cSKlaus Jensen goto unmap; 93488eea45cSKlaus Jensen } 93588eea45cSKlaus Jensen prp_ent = le64_to_cpu(prp_list[i]); 93688eea45cSKlaus Jensen } 93788eea45cSKlaus Jensen 93888eea45cSKlaus Jensen if (unlikely(prp_ent & (n->page_size - 1))) { 93988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prplist_ent(prp_ent); 94088eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 94188eea45cSKlaus Jensen goto unmap; 94288eea45cSKlaus Jensen } 94388eea45cSKlaus Jensen 94488eea45cSKlaus Jensen trans_len = MIN(len, n->page_size); 94588eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp_ent, trans_len); 94688eea45cSKlaus Jensen if (status) { 94788eea45cSKlaus Jensen goto unmap; 94888eea45cSKlaus Jensen } 94988eea45cSKlaus Jensen 95088eea45cSKlaus Jensen len -= trans_len; 95188eea45cSKlaus Jensen i++; 95288eea45cSKlaus Jensen } 95388eea45cSKlaus Jensen } else { 95488eea45cSKlaus Jensen if (unlikely(prp2 & (n->page_size - 1))) { 95588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prp2_align(prp2); 95688eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 95788eea45cSKlaus Jensen goto unmap; 95888eea45cSKlaus Jensen } 95988eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp2, len); 96088eea45cSKlaus Jensen if (status) { 96188eea45cSKlaus Jensen goto unmap; 96288eea45cSKlaus Jensen } 96388eea45cSKlaus Jensen } 96488eea45cSKlaus Jensen } 96588eea45cSKlaus Jensen 96688eea45cSKlaus Jensen return NVME_SUCCESS; 96788eea45cSKlaus Jensen 96888eea45cSKlaus Jensen unmap: 96988eea45cSKlaus Jensen nvme_sg_unmap(sg); 97088eea45cSKlaus Jensen return status; 97188eea45cSKlaus Jensen } 97288eea45cSKlaus Jensen 97388eea45cSKlaus Jensen /* 97488eea45cSKlaus Jensen * Map 'nsgld' data descriptors from 'segment'. The function will subtract the 97588eea45cSKlaus Jensen * number of bytes mapped in len. 97688eea45cSKlaus Jensen */ 97788eea45cSKlaus Jensen static uint16_t nvme_map_sgl_data(NvmeCtrl *n, NvmeSg *sg, 97888eea45cSKlaus Jensen NvmeSglDescriptor *segment, uint64_t nsgld, 97988eea45cSKlaus Jensen size_t *len, NvmeCmd *cmd) 98088eea45cSKlaus Jensen { 98188eea45cSKlaus Jensen dma_addr_t addr, trans_len; 98288eea45cSKlaus Jensen uint32_t dlen; 98388eea45cSKlaus Jensen uint16_t status; 98488eea45cSKlaus Jensen 98588eea45cSKlaus Jensen for (int i = 0; i < nsgld; i++) { 98688eea45cSKlaus Jensen uint8_t type = NVME_SGL_TYPE(segment[i].type); 98788eea45cSKlaus Jensen 98888eea45cSKlaus Jensen switch (type) { 98988eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_DATA_BLOCK: 99088eea45cSKlaus Jensen break; 99188eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_SEGMENT: 99288eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_LAST_SEGMENT: 99388eea45cSKlaus Jensen return NVME_INVALID_NUM_SGL_DESCRS | NVME_DNR; 99488eea45cSKlaus Jensen default: 99588eea45cSKlaus Jensen return NVME_SGL_DESCR_TYPE_INVALID | NVME_DNR; 99688eea45cSKlaus Jensen } 99788eea45cSKlaus Jensen 99888eea45cSKlaus Jensen dlen = le32_to_cpu(segment[i].len); 99988eea45cSKlaus Jensen 100088eea45cSKlaus Jensen if (!dlen) { 100188eea45cSKlaus Jensen continue; 100288eea45cSKlaus Jensen } 100388eea45cSKlaus Jensen 100488eea45cSKlaus Jensen if (*len == 0) { 100588eea45cSKlaus Jensen /* 100688eea45cSKlaus Jensen * All data has been mapped, but the SGL contains additional 100788eea45cSKlaus Jensen * segments and/or descriptors. The controller might accept 100888eea45cSKlaus Jensen * ignoring the rest of the SGL. 100988eea45cSKlaus Jensen */ 101088eea45cSKlaus Jensen uint32_t sgls = le32_to_cpu(n->id_ctrl.sgls); 101188eea45cSKlaus Jensen if (sgls & NVME_CTRL_SGLS_EXCESS_LENGTH) { 101288eea45cSKlaus Jensen break; 101388eea45cSKlaus Jensen } 101488eea45cSKlaus Jensen 101588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_sgl_excess_length(dlen); 101688eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 101788eea45cSKlaus Jensen } 101888eea45cSKlaus Jensen 101988eea45cSKlaus Jensen trans_len = MIN(*len, dlen); 102088eea45cSKlaus Jensen 102188eea45cSKlaus Jensen addr = le64_to_cpu(segment[i].addr); 102288eea45cSKlaus Jensen 102388eea45cSKlaus Jensen if (UINT64_MAX - addr < dlen) { 102488eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 102588eea45cSKlaus Jensen } 102688eea45cSKlaus Jensen 102788eea45cSKlaus Jensen status = nvme_map_addr(n, sg, addr, trans_len); 102888eea45cSKlaus Jensen if (status) { 102988eea45cSKlaus Jensen return status; 103088eea45cSKlaus Jensen } 103188eea45cSKlaus Jensen 103288eea45cSKlaus Jensen *len -= trans_len; 103388eea45cSKlaus Jensen } 103488eea45cSKlaus Jensen 103588eea45cSKlaus Jensen return NVME_SUCCESS; 103688eea45cSKlaus Jensen } 103788eea45cSKlaus Jensen 103888eea45cSKlaus Jensen static uint16_t nvme_map_sgl(NvmeCtrl *n, NvmeSg *sg, NvmeSglDescriptor sgl, 103988eea45cSKlaus Jensen size_t len, NvmeCmd *cmd) 104088eea45cSKlaus Jensen { 104188eea45cSKlaus Jensen /* 104288eea45cSKlaus Jensen * Read the segment in chunks of 256 descriptors (one 4k page) to avoid 104388eea45cSKlaus Jensen * dynamically allocating a potentially huge SGL. The spec allows the SGL 104488eea45cSKlaus Jensen * to be larger (as in number of bytes required to describe the SGL 104588eea45cSKlaus Jensen * descriptors and segment chain) than the command transfer size, so it is 104688eea45cSKlaus Jensen * not bounded by MDTS. 104788eea45cSKlaus Jensen */ 104888eea45cSKlaus Jensen const int SEG_CHUNK_SIZE = 256; 104988eea45cSKlaus Jensen 105088eea45cSKlaus Jensen NvmeSglDescriptor segment[SEG_CHUNK_SIZE], *sgld, *last_sgld; 105188eea45cSKlaus Jensen uint64_t nsgld; 105288eea45cSKlaus Jensen uint32_t seg_len; 105388eea45cSKlaus Jensen uint16_t status; 105488eea45cSKlaus Jensen hwaddr addr; 105588eea45cSKlaus Jensen int ret; 105688eea45cSKlaus Jensen 105788eea45cSKlaus Jensen sgld = &sgl; 105888eea45cSKlaus Jensen addr = le64_to_cpu(sgl.addr); 105988eea45cSKlaus Jensen 106088eea45cSKlaus Jensen trace_pci_nvme_map_sgl(NVME_SGL_TYPE(sgl.type), len); 106188eea45cSKlaus Jensen 106288eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, addr)); 106388eea45cSKlaus Jensen 106488eea45cSKlaus Jensen /* 106588eea45cSKlaus Jensen * If the entire transfer can be described with a single data block it can 106688eea45cSKlaus Jensen * be mapped directly. 106788eea45cSKlaus Jensen */ 106888eea45cSKlaus Jensen if (NVME_SGL_TYPE(sgl.type) == NVME_SGL_DESCR_TYPE_DATA_BLOCK) { 106988eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, sgld, 1, &len, cmd); 107088eea45cSKlaus Jensen if (status) { 107188eea45cSKlaus Jensen goto unmap; 107288eea45cSKlaus Jensen } 107388eea45cSKlaus Jensen 107488eea45cSKlaus Jensen goto out; 107588eea45cSKlaus Jensen } 107688eea45cSKlaus Jensen 107788eea45cSKlaus Jensen for (;;) { 107888eea45cSKlaus Jensen switch (NVME_SGL_TYPE(sgld->type)) { 107988eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_SEGMENT: 108088eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_LAST_SEGMENT: 108188eea45cSKlaus Jensen break; 108288eea45cSKlaus Jensen default: 108388eea45cSKlaus Jensen return NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 108488eea45cSKlaus Jensen } 108588eea45cSKlaus Jensen 108688eea45cSKlaus Jensen seg_len = le32_to_cpu(sgld->len); 108788eea45cSKlaus Jensen 108888eea45cSKlaus Jensen /* check the length of the (Last) Segment descriptor */ 1089b9147a3aSKlaus Jensen if (!seg_len || seg_len & 0xf) { 109088eea45cSKlaus Jensen return NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 109188eea45cSKlaus Jensen } 109288eea45cSKlaus Jensen 109388eea45cSKlaus Jensen if (UINT64_MAX - addr < seg_len) { 109488eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 109588eea45cSKlaus Jensen } 109688eea45cSKlaus Jensen 109788eea45cSKlaus Jensen nsgld = seg_len / sizeof(NvmeSglDescriptor); 109888eea45cSKlaus Jensen 109988eea45cSKlaus Jensen while (nsgld > SEG_CHUNK_SIZE) { 110088eea45cSKlaus Jensen if (nvme_addr_read(n, addr, segment, sizeof(segment))) { 110188eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 110288eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 110388eea45cSKlaus Jensen goto unmap; 110488eea45cSKlaus Jensen } 110588eea45cSKlaus Jensen 110688eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, SEG_CHUNK_SIZE, 110788eea45cSKlaus Jensen &len, cmd); 110888eea45cSKlaus Jensen if (status) { 110988eea45cSKlaus Jensen goto unmap; 111088eea45cSKlaus Jensen } 111188eea45cSKlaus Jensen 111288eea45cSKlaus Jensen nsgld -= SEG_CHUNK_SIZE; 111388eea45cSKlaus Jensen addr += SEG_CHUNK_SIZE * sizeof(NvmeSglDescriptor); 111488eea45cSKlaus Jensen } 111588eea45cSKlaus Jensen 111688eea45cSKlaus Jensen ret = nvme_addr_read(n, addr, segment, nsgld * 111788eea45cSKlaus Jensen sizeof(NvmeSglDescriptor)); 111888eea45cSKlaus Jensen if (ret) { 111988eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 112088eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 112188eea45cSKlaus Jensen goto unmap; 112288eea45cSKlaus Jensen } 112388eea45cSKlaus Jensen 112488eea45cSKlaus Jensen last_sgld = &segment[nsgld - 1]; 112588eea45cSKlaus Jensen 112688eea45cSKlaus Jensen /* 1127b9147a3aSKlaus Jensen * If the segment ends with a Data Block, then we are done. 112888eea45cSKlaus Jensen */ 1129b9147a3aSKlaus Jensen if (NVME_SGL_TYPE(last_sgld->type) == NVME_SGL_DESCR_TYPE_DATA_BLOCK) { 113088eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, nsgld, &len, cmd); 113188eea45cSKlaus Jensen if (status) { 113288eea45cSKlaus Jensen goto unmap; 113388eea45cSKlaus Jensen } 113488eea45cSKlaus Jensen 113588eea45cSKlaus Jensen goto out; 113688eea45cSKlaus Jensen } 113788eea45cSKlaus Jensen 113888eea45cSKlaus Jensen /* 1139b9147a3aSKlaus Jensen * If the last descriptor was not a Data Block, then the current 1140b9147a3aSKlaus Jensen * segment must not be a Last Segment. 114188eea45cSKlaus Jensen */ 114288eea45cSKlaus Jensen if (NVME_SGL_TYPE(sgld->type) == NVME_SGL_DESCR_TYPE_LAST_SEGMENT) { 114388eea45cSKlaus Jensen status = NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 114488eea45cSKlaus Jensen goto unmap; 114588eea45cSKlaus Jensen } 114688eea45cSKlaus Jensen 114788eea45cSKlaus Jensen sgld = last_sgld; 114888eea45cSKlaus Jensen addr = le64_to_cpu(sgld->addr); 114988eea45cSKlaus Jensen 115088eea45cSKlaus Jensen /* 115188eea45cSKlaus Jensen * Do not map the last descriptor; it will be a Segment or Last Segment 115288eea45cSKlaus Jensen * descriptor and is handled by the next iteration. 115388eea45cSKlaus Jensen */ 115488eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, nsgld - 1, &len, cmd); 115588eea45cSKlaus Jensen if (status) { 115688eea45cSKlaus Jensen goto unmap; 115788eea45cSKlaus Jensen } 115888eea45cSKlaus Jensen } 115988eea45cSKlaus Jensen 116088eea45cSKlaus Jensen out: 116188eea45cSKlaus Jensen /* if there is any residual left in len, the SGL was too short */ 116288eea45cSKlaus Jensen if (len) { 116388eea45cSKlaus Jensen status = NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 116488eea45cSKlaus Jensen goto unmap; 116588eea45cSKlaus Jensen } 116688eea45cSKlaus Jensen 116788eea45cSKlaus Jensen return NVME_SUCCESS; 116888eea45cSKlaus Jensen 116988eea45cSKlaus Jensen unmap: 117088eea45cSKlaus Jensen nvme_sg_unmap(sg); 117188eea45cSKlaus Jensen return status; 117288eea45cSKlaus Jensen } 117388eea45cSKlaus Jensen 117488eea45cSKlaus Jensen uint16_t nvme_map_dptr(NvmeCtrl *n, NvmeSg *sg, size_t len, 117588eea45cSKlaus Jensen NvmeCmd *cmd) 117688eea45cSKlaus Jensen { 117788eea45cSKlaus Jensen uint64_t prp1, prp2; 117888eea45cSKlaus Jensen 117988eea45cSKlaus Jensen switch (NVME_CMD_FLAGS_PSDT(cmd->flags)) { 118088eea45cSKlaus Jensen case NVME_PSDT_PRP: 118188eea45cSKlaus Jensen prp1 = le64_to_cpu(cmd->dptr.prp1); 118288eea45cSKlaus Jensen prp2 = le64_to_cpu(cmd->dptr.prp2); 118388eea45cSKlaus Jensen 118488eea45cSKlaus Jensen return nvme_map_prp(n, sg, prp1, prp2, len); 118588eea45cSKlaus Jensen case NVME_PSDT_SGL_MPTR_CONTIGUOUS: 118688eea45cSKlaus Jensen case NVME_PSDT_SGL_MPTR_SGL: 118788eea45cSKlaus Jensen return nvme_map_sgl(n, sg, cmd->dptr.sgl, len, cmd); 118888eea45cSKlaus Jensen default: 118988eea45cSKlaus Jensen return NVME_INVALID_FIELD; 119088eea45cSKlaus Jensen } 119188eea45cSKlaus Jensen } 119288eea45cSKlaus Jensen 119388eea45cSKlaus Jensen static uint16_t nvme_map_mptr(NvmeCtrl *n, NvmeSg *sg, size_t len, 119488eea45cSKlaus Jensen NvmeCmd *cmd) 119588eea45cSKlaus Jensen { 119688eea45cSKlaus Jensen int psdt = NVME_CMD_FLAGS_PSDT(cmd->flags); 119788eea45cSKlaus Jensen hwaddr mptr = le64_to_cpu(cmd->mptr); 119888eea45cSKlaus Jensen uint16_t status; 119988eea45cSKlaus Jensen 120088eea45cSKlaus Jensen if (psdt == NVME_PSDT_SGL_MPTR_SGL) { 120188eea45cSKlaus Jensen NvmeSglDescriptor sgl; 120288eea45cSKlaus Jensen 120388eea45cSKlaus Jensen if (nvme_addr_read(n, mptr, &sgl, sizeof(sgl))) { 120488eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 120588eea45cSKlaus Jensen } 120688eea45cSKlaus Jensen 120788eea45cSKlaus Jensen status = nvme_map_sgl(n, sg, sgl, len, cmd); 120888eea45cSKlaus Jensen if (status && (status & 0x7ff) == NVME_DATA_SGL_LEN_INVALID) { 120988eea45cSKlaus Jensen status = NVME_MD_SGL_LEN_INVALID | NVME_DNR; 121088eea45cSKlaus Jensen } 121188eea45cSKlaus Jensen 121288eea45cSKlaus Jensen return status; 121388eea45cSKlaus Jensen } 121488eea45cSKlaus Jensen 121588eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, mptr)); 121688eea45cSKlaus Jensen status = nvme_map_addr(n, sg, mptr, len); 121788eea45cSKlaus Jensen if (status) { 121888eea45cSKlaus Jensen nvme_sg_unmap(sg); 121988eea45cSKlaus Jensen } 122088eea45cSKlaus Jensen 122188eea45cSKlaus Jensen return status; 122288eea45cSKlaus Jensen } 122388eea45cSKlaus Jensen 122488eea45cSKlaus Jensen static uint16_t nvme_map_data(NvmeCtrl *n, uint32_t nlb, NvmeRequest *req) 122588eea45cSKlaus Jensen { 122688eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 122788eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 12282a132309SKlaus Jensen bool pi = !!NVME_ID_NS_DPS_TYPE(ns->id_ns.dps); 12292a132309SKlaus Jensen bool pract = !!(le16_to_cpu(rw->control) & NVME_RW_PRINFO_PRACT); 123088eea45cSKlaus Jensen size_t len = nvme_l2b(ns, nlb); 123188eea45cSKlaus Jensen uint16_t status; 123288eea45cSKlaus Jensen 1233ac0b34c5SKlaus Jensen if (nvme_ns_ext(ns) && 1234ac0b34c5SKlaus Jensen !(pi && pract && ns->lbaf.ms == nvme_pi_tuple_size(ns))) { 123588eea45cSKlaus Jensen NvmeSg sg; 123688eea45cSKlaus Jensen 123788eea45cSKlaus Jensen len += nvme_m2b(ns, nlb); 123888eea45cSKlaus Jensen 123988eea45cSKlaus Jensen status = nvme_map_dptr(n, &sg, len, &req->cmd); 124088eea45cSKlaus Jensen if (status) { 124188eea45cSKlaus Jensen return status; 124288eea45cSKlaus Jensen } 124388eea45cSKlaus Jensen 124488eea45cSKlaus Jensen nvme_sg_init(n, &req->sg, sg.flags & NVME_SG_DMA); 124588eea45cSKlaus Jensen nvme_sg_split(&sg, ns, &req->sg, NULL); 124688eea45cSKlaus Jensen nvme_sg_unmap(&sg); 124788eea45cSKlaus Jensen 124888eea45cSKlaus Jensen return NVME_SUCCESS; 124988eea45cSKlaus Jensen } 125088eea45cSKlaus Jensen 125188eea45cSKlaus Jensen return nvme_map_dptr(n, &req->sg, len, &req->cmd); 125288eea45cSKlaus Jensen } 125388eea45cSKlaus Jensen 125488eea45cSKlaus Jensen static uint16_t nvme_map_mdata(NvmeCtrl *n, uint32_t nlb, NvmeRequest *req) 125588eea45cSKlaus Jensen { 125688eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 125788eea45cSKlaus Jensen size_t len = nvme_m2b(ns, nlb); 125888eea45cSKlaus Jensen uint16_t status; 125988eea45cSKlaus Jensen 126088eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 126188eea45cSKlaus Jensen NvmeSg sg; 126288eea45cSKlaus Jensen 126388eea45cSKlaus Jensen len += nvme_l2b(ns, nlb); 126488eea45cSKlaus Jensen 126588eea45cSKlaus Jensen status = nvme_map_dptr(n, &sg, len, &req->cmd); 126688eea45cSKlaus Jensen if (status) { 126788eea45cSKlaus Jensen return status; 126888eea45cSKlaus Jensen } 126988eea45cSKlaus Jensen 127088eea45cSKlaus Jensen nvme_sg_init(n, &req->sg, sg.flags & NVME_SG_DMA); 127188eea45cSKlaus Jensen nvme_sg_split(&sg, ns, NULL, &req->sg); 127288eea45cSKlaus Jensen nvme_sg_unmap(&sg); 127388eea45cSKlaus Jensen 127488eea45cSKlaus Jensen return NVME_SUCCESS; 127588eea45cSKlaus Jensen } 127688eea45cSKlaus Jensen 127788eea45cSKlaus Jensen return nvme_map_mptr(n, &req->sg, len, &req->cmd); 127888eea45cSKlaus Jensen } 127988eea45cSKlaus Jensen 128088eea45cSKlaus Jensen static uint16_t nvme_tx_interleaved(NvmeCtrl *n, NvmeSg *sg, uint8_t *ptr, 128188eea45cSKlaus Jensen uint32_t len, uint32_t bytes, 128288eea45cSKlaus Jensen int32_t skip_bytes, int64_t offset, 128388eea45cSKlaus Jensen NvmeTxDirection dir) 128488eea45cSKlaus Jensen { 128588eea45cSKlaus Jensen hwaddr addr; 128688eea45cSKlaus Jensen uint32_t trans_len, count = bytes; 128788eea45cSKlaus Jensen bool dma = sg->flags & NVME_SG_DMA; 128888eea45cSKlaus Jensen int64_t sge_len; 128988eea45cSKlaus Jensen int sg_idx = 0; 129088eea45cSKlaus Jensen int ret; 129188eea45cSKlaus Jensen 129288eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 129388eea45cSKlaus Jensen 129488eea45cSKlaus Jensen while (len) { 129588eea45cSKlaus Jensen sge_len = dma ? sg->qsg.sg[sg_idx].len : sg->iov.iov[sg_idx].iov_len; 129688eea45cSKlaus Jensen 129788eea45cSKlaus Jensen if (sge_len - offset < 0) { 129888eea45cSKlaus Jensen offset -= sge_len; 129988eea45cSKlaus Jensen sg_idx++; 130088eea45cSKlaus Jensen continue; 130188eea45cSKlaus Jensen } 130288eea45cSKlaus Jensen 130388eea45cSKlaus Jensen if (sge_len == offset) { 130488eea45cSKlaus Jensen offset = 0; 130588eea45cSKlaus Jensen sg_idx++; 130688eea45cSKlaus Jensen continue; 130788eea45cSKlaus Jensen } 130888eea45cSKlaus Jensen 130988eea45cSKlaus Jensen trans_len = MIN(len, count); 131088eea45cSKlaus Jensen trans_len = MIN(trans_len, sge_len - offset); 131188eea45cSKlaus Jensen 131288eea45cSKlaus Jensen if (dma) { 131388eea45cSKlaus Jensen addr = sg->qsg.sg[sg_idx].base + offset; 131488eea45cSKlaus Jensen } else { 131588eea45cSKlaus Jensen addr = (hwaddr)(uintptr_t)sg->iov.iov[sg_idx].iov_base + offset; 131688eea45cSKlaus Jensen } 131788eea45cSKlaus Jensen 131888eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 131988eea45cSKlaus Jensen ret = nvme_addr_read(n, addr, ptr, trans_len); 132088eea45cSKlaus Jensen } else { 132188eea45cSKlaus Jensen ret = nvme_addr_write(n, addr, ptr, trans_len); 132288eea45cSKlaus Jensen } 132388eea45cSKlaus Jensen 132488eea45cSKlaus Jensen if (ret) { 132588eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 132688eea45cSKlaus Jensen } 132788eea45cSKlaus Jensen 132888eea45cSKlaus Jensen ptr += trans_len; 132988eea45cSKlaus Jensen len -= trans_len; 133088eea45cSKlaus Jensen count -= trans_len; 133188eea45cSKlaus Jensen offset += trans_len; 133288eea45cSKlaus Jensen 133388eea45cSKlaus Jensen if (count == 0) { 133488eea45cSKlaus Jensen count = bytes; 133588eea45cSKlaus Jensen offset += skip_bytes; 133688eea45cSKlaus Jensen } 133788eea45cSKlaus Jensen } 133888eea45cSKlaus Jensen 133988eea45cSKlaus Jensen return NVME_SUCCESS; 134088eea45cSKlaus Jensen } 134188eea45cSKlaus Jensen 13428d3a17beSPhilippe Mathieu-Daudé static uint16_t nvme_tx(NvmeCtrl *n, NvmeSg *sg, void *ptr, uint32_t len, 134388eea45cSKlaus Jensen NvmeTxDirection dir) 134488eea45cSKlaus Jensen { 134588eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 134688eea45cSKlaus Jensen 134788eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 1348392e48afSPhilippe Mathieu-Daudé const MemTxAttrs attrs = MEMTXATTRS_UNSPECIFIED; 1349bfa30f39SPhilippe Mathieu-Daudé dma_addr_t residual; 135088eea45cSKlaus Jensen 135188eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 1352f02b664aSPhilippe Mathieu-Daudé dma_buf_write(ptr, len, &residual, &sg->qsg, attrs); 135388eea45cSKlaus Jensen } else { 1354f02b664aSPhilippe Mathieu-Daudé dma_buf_read(ptr, len, &residual, &sg->qsg, attrs); 135588eea45cSKlaus Jensen } 135688eea45cSKlaus Jensen 135788eea45cSKlaus Jensen if (unlikely(residual)) { 135888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_dma(); 135988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 136088eea45cSKlaus Jensen } 136188eea45cSKlaus Jensen } else { 136288eea45cSKlaus Jensen size_t bytes; 136388eea45cSKlaus Jensen 136488eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 136588eea45cSKlaus Jensen bytes = qemu_iovec_to_buf(&sg->iov, 0, ptr, len); 136688eea45cSKlaus Jensen } else { 136788eea45cSKlaus Jensen bytes = qemu_iovec_from_buf(&sg->iov, 0, ptr, len); 136888eea45cSKlaus Jensen } 136988eea45cSKlaus Jensen 137088eea45cSKlaus Jensen if (unlikely(bytes != len)) { 137188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_dma(); 137288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 137388eea45cSKlaus Jensen } 137488eea45cSKlaus Jensen } 137588eea45cSKlaus Jensen 137688eea45cSKlaus Jensen return NVME_SUCCESS; 137788eea45cSKlaus Jensen } 137888eea45cSKlaus Jensen 13798d3a17beSPhilippe Mathieu-Daudé static inline uint16_t nvme_c2h(NvmeCtrl *n, void *ptr, uint32_t len, 138088eea45cSKlaus Jensen NvmeRequest *req) 138188eea45cSKlaus Jensen { 138288eea45cSKlaus Jensen uint16_t status; 138388eea45cSKlaus Jensen 138488eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 138588eea45cSKlaus Jensen if (status) { 138688eea45cSKlaus Jensen return status; 138788eea45cSKlaus Jensen } 138888eea45cSKlaus Jensen 138988eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, NVME_TX_DIRECTION_FROM_DEVICE); 139088eea45cSKlaus Jensen } 139188eea45cSKlaus Jensen 13928d3a17beSPhilippe Mathieu-Daudé static inline uint16_t nvme_h2c(NvmeCtrl *n, void *ptr, uint32_t len, 139388eea45cSKlaus Jensen NvmeRequest *req) 139488eea45cSKlaus Jensen { 139588eea45cSKlaus Jensen uint16_t status; 139688eea45cSKlaus Jensen 139788eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 139888eea45cSKlaus Jensen if (status) { 139988eea45cSKlaus Jensen return status; 140088eea45cSKlaus Jensen } 140188eea45cSKlaus Jensen 140288eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, NVME_TX_DIRECTION_TO_DEVICE); 140388eea45cSKlaus Jensen } 140488eea45cSKlaus Jensen 14058d3a17beSPhilippe Mathieu-Daudé uint16_t nvme_bounce_data(NvmeCtrl *n, void *ptr, uint32_t len, 140688eea45cSKlaus Jensen NvmeTxDirection dir, NvmeRequest *req) 140788eea45cSKlaus Jensen { 140888eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 140988eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 14102a132309SKlaus Jensen bool pi = !!NVME_ID_NS_DPS_TYPE(ns->id_ns.dps); 14112a132309SKlaus Jensen bool pract = !!(le16_to_cpu(rw->control) & NVME_RW_PRINFO_PRACT); 141288eea45cSKlaus Jensen 1413ac0b34c5SKlaus Jensen if (nvme_ns_ext(ns) && 1414ac0b34c5SKlaus Jensen !(pi && pract && ns->lbaf.ms == nvme_pi_tuple_size(ns))) { 141588eea45cSKlaus Jensen return nvme_tx_interleaved(n, &req->sg, ptr, len, ns->lbasz, 141688eea45cSKlaus Jensen ns->lbaf.ms, 0, dir); 141788eea45cSKlaus Jensen } 141888eea45cSKlaus Jensen 141988eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, dir); 142088eea45cSKlaus Jensen } 142188eea45cSKlaus Jensen 14228d3a17beSPhilippe Mathieu-Daudé uint16_t nvme_bounce_mdata(NvmeCtrl *n, void *ptr, uint32_t len, 142388eea45cSKlaus Jensen NvmeTxDirection dir, NvmeRequest *req) 142488eea45cSKlaus Jensen { 142588eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 142688eea45cSKlaus Jensen uint16_t status; 142788eea45cSKlaus Jensen 142888eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 142988eea45cSKlaus Jensen return nvme_tx_interleaved(n, &req->sg, ptr, len, ns->lbaf.ms, 143088eea45cSKlaus Jensen ns->lbasz, ns->lbasz, dir); 143188eea45cSKlaus Jensen } 143288eea45cSKlaus Jensen 143388eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 143488eea45cSKlaus Jensen 143588eea45cSKlaus Jensen status = nvme_map_mptr(n, &req->sg, len, &req->cmd); 143688eea45cSKlaus Jensen if (status) { 143788eea45cSKlaus Jensen return status; 143888eea45cSKlaus Jensen } 143988eea45cSKlaus Jensen 144088eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, dir); 144188eea45cSKlaus Jensen } 144288eea45cSKlaus Jensen 144388eea45cSKlaus Jensen static inline void nvme_blk_read(BlockBackend *blk, int64_t offset, 14449b4f0181SMateusz Kozlowski uint32_t align, BlockCompletionFunc *cb, 14459b4f0181SMateusz Kozlowski NvmeRequest *req) 144688eea45cSKlaus Jensen { 144788eea45cSKlaus Jensen assert(req->sg.flags & NVME_SG_ALLOC); 144888eea45cSKlaus Jensen 144988eea45cSKlaus Jensen if (req->sg.flags & NVME_SG_DMA) { 14509b4f0181SMateusz Kozlowski req->aiocb = dma_blk_read(blk, &req->sg.qsg, offset, align, cb, req); 145188eea45cSKlaus Jensen } else { 145288eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &req->sg.iov, 0, cb, req); 145388eea45cSKlaus Jensen } 145488eea45cSKlaus Jensen } 145588eea45cSKlaus Jensen 145688eea45cSKlaus Jensen static inline void nvme_blk_write(BlockBackend *blk, int64_t offset, 14579b4f0181SMateusz Kozlowski uint32_t align, BlockCompletionFunc *cb, 14589b4f0181SMateusz Kozlowski NvmeRequest *req) 145988eea45cSKlaus Jensen { 146088eea45cSKlaus Jensen assert(req->sg.flags & NVME_SG_ALLOC); 146188eea45cSKlaus Jensen 146288eea45cSKlaus Jensen if (req->sg.flags & NVME_SG_DMA) { 14639b4f0181SMateusz Kozlowski req->aiocb = dma_blk_write(blk, &req->sg.qsg, offset, align, cb, req); 146488eea45cSKlaus Jensen } else { 146588eea45cSKlaus Jensen req->aiocb = blk_aio_pwritev(blk, offset, &req->sg.iov, 0, cb, req); 146688eea45cSKlaus Jensen } 146788eea45cSKlaus Jensen } 146888eea45cSKlaus Jensen 1469fa5db2aaSKlaus Jensen static void nvme_update_cq_eventidx(const NvmeCQueue *cq) 1470fa5db2aaSKlaus Jensen { 1471fa5db2aaSKlaus Jensen trace_pci_nvme_update_cq_eventidx(cq->cqid, cq->head); 1472fa5db2aaSKlaus Jensen 1473c1e244b6SKlaus Jensen stl_le_pci_dma(PCI_DEVICE(cq->ctrl), cq->ei_addr, cq->head, 1474c1e244b6SKlaus Jensen MEMTXATTRS_UNSPECIFIED); 1475fa5db2aaSKlaus Jensen } 1476fa5db2aaSKlaus Jensen 14773f7fe8deSJinhao Fan static void nvme_update_cq_head(NvmeCQueue *cq) 14783f7fe8deSJinhao Fan { 1479c1e244b6SKlaus Jensen ldl_le_pci_dma(PCI_DEVICE(cq->ctrl), cq->db_addr, &cq->head, 1480c1e244b6SKlaus Jensen MEMTXATTRS_UNSPECIFIED); 148147cd3539SKlaus Jensen 148247cd3539SKlaus Jensen trace_pci_nvme_update_cq_head(cq->cqid, cq->head); 14833f7fe8deSJinhao Fan } 14843f7fe8deSJinhao Fan 148588eea45cSKlaus Jensen static void nvme_post_cqes(void *opaque) 148688eea45cSKlaus Jensen { 148788eea45cSKlaus Jensen NvmeCQueue *cq = opaque; 148888eea45cSKlaus Jensen NvmeCtrl *n = cq->ctrl; 148988eea45cSKlaus Jensen NvmeRequest *req, *next; 149083d7ed5cSKlaus Jensen bool pending = cq->head != cq->tail; 149188eea45cSKlaus Jensen int ret; 149288eea45cSKlaus Jensen 149388eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(req, &cq->req_list, entry, next) { 149488eea45cSKlaus Jensen NvmeSQueue *sq; 149588eea45cSKlaus Jensen hwaddr addr; 149688eea45cSKlaus Jensen 14973f7fe8deSJinhao Fan if (n->dbbuf_enabled) { 1498fa5db2aaSKlaus Jensen nvme_update_cq_eventidx(cq); 14993f7fe8deSJinhao Fan nvme_update_cq_head(cq); 15003f7fe8deSJinhao Fan } 15013f7fe8deSJinhao Fan 150288eea45cSKlaus Jensen if (nvme_cq_full(cq)) { 150388eea45cSKlaus Jensen break; 150488eea45cSKlaus Jensen } 150588eea45cSKlaus Jensen 150688eea45cSKlaus Jensen sq = req->sq; 150788eea45cSKlaus Jensen req->cqe.status = cpu_to_le16((req->status << 1) | cq->phase); 150888eea45cSKlaus Jensen req->cqe.sq_id = cpu_to_le16(sq->sqid); 150988eea45cSKlaus Jensen req->cqe.sq_head = cpu_to_le16(sq->head); 151088eea45cSKlaus Jensen addr = cq->dma_addr + cq->tail * n->cqe_size; 151148b32c28SKlaus Jensen ret = pci_dma_write(PCI_DEVICE(n), addr, (void *)&req->cqe, 151288eea45cSKlaus Jensen sizeof(req->cqe)); 151388eea45cSKlaus Jensen if (ret) { 151488eea45cSKlaus Jensen trace_pci_nvme_err_addr_write(addr); 151588eea45cSKlaus Jensen trace_pci_nvme_err_cfs(); 151649e03457SKlaus Jensen stl_le_p(&n->bar.csts, NVME_CSTS_FAILED); 151788eea45cSKlaus Jensen break; 151888eea45cSKlaus Jensen } 151988eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->req_list, req, entry); 152088eea45cSKlaus Jensen nvme_inc_cq_tail(cq); 152188eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 152288eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->req_list, req, entry); 152388eea45cSKlaus Jensen } 152488eea45cSKlaus Jensen if (cq->tail != cq->head) { 152583d7ed5cSKlaus Jensen if (cq->irq_enabled && !pending) { 152683d7ed5cSKlaus Jensen n->cq_pending++; 152783d7ed5cSKlaus Jensen } 152883d7ed5cSKlaus Jensen 152988eea45cSKlaus Jensen nvme_irq_assert(n, cq); 153088eea45cSKlaus Jensen } 153188eea45cSKlaus Jensen } 153288eea45cSKlaus Jensen 153388eea45cSKlaus Jensen static void nvme_enqueue_req_completion(NvmeCQueue *cq, NvmeRequest *req) 153488eea45cSKlaus Jensen { 153588eea45cSKlaus Jensen assert(cq->cqid == req->sq->cqid); 153688eea45cSKlaus Jensen trace_pci_nvme_enqueue_req_completion(nvme_cid(req), cq->cqid, 1537f1c97407SKlaus Jensen le32_to_cpu(req->cqe.result), 1538f1c97407SKlaus Jensen le32_to_cpu(req->cqe.dw1), 153988eea45cSKlaus Jensen req->status); 154088eea45cSKlaus Jensen 154188eea45cSKlaus Jensen if (req->status) { 154288eea45cSKlaus Jensen trace_pci_nvme_err_req_status(nvme_cid(req), nvme_nsid(req->ns), 154388eea45cSKlaus Jensen req->status, req->cmd.opcode); 154488eea45cSKlaus Jensen } 154588eea45cSKlaus Jensen 154688eea45cSKlaus Jensen QTAILQ_REMOVE(&req->sq->out_req_list, req, entry); 154788eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&cq->req_list, req, entry); 15482e53b0b4SJinhao Fan 1549d38cc6fdSKlaus Jensen qemu_bh_schedule(cq->bh); 15502e53b0b4SJinhao Fan } 155188eea45cSKlaus Jensen 155288eea45cSKlaus Jensen static void nvme_process_aers(void *opaque) 155388eea45cSKlaus Jensen { 155488eea45cSKlaus Jensen NvmeCtrl *n = opaque; 155588eea45cSKlaus Jensen NvmeAsyncEvent *event, *next; 155688eea45cSKlaus Jensen 155788eea45cSKlaus Jensen trace_pci_nvme_process_aers(n->aer_queued); 155888eea45cSKlaus Jensen 155988eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(event, &n->aer_queue, entry, next) { 156088eea45cSKlaus Jensen NvmeRequest *req; 156188eea45cSKlaus Jensen NvmeAerResult *result; 156288eea45cSKlaus Jensen 156388eea45cSKlaus Jensen /* can't post cqe if there is nothing to complete */ 156488eea45cSKlaus Jensen if (!n->outstanding_aers) { 156588eea45cSKlaus Jensen trace_pci_nvme_no_outstanding_aers(); 156688eea45cSKlaus Jensen break; 156788eea45cSKlaus Jensen } 156888eea45cSKlaus Jensen 156988eea45cSKlaus Jensen /* ignore if masked (cqe posted, but event not cleared) */ 157088eea45cSKlaus Jensen if (n->aer_mask & (1 << event->result.event_type)) { 157188eea45cSKlaus Jensen trace_pci_nvme_aer_masked(event->result.event_type, n->aer_mask); 157288eea45cSKlaus Jensen continue; 157388eea45cSKlaus Jensen } 157488eea45cSKlaus Jensen 157588eea45cSKlaus Jensen QTAILQ_REMOVE(&n->aer_queue, event, entry); 157688eea45cSKlaus Jensen n->aer_queued--; 157788eea45cSKlaus Jensen 157888eea45cSKlaus Jensen n->aer_mask |= 1 << event->result.event_type; 157988eea45cSKlaus Jensen n->outstanding_aers--; 158088eea45cSKlaus Jensen 158188eea45cSKlaus Jensen req = n->aer_reqs[n->outstanding_aers]; 158288eea45cSKlaus Jensen 158388eea45cSKlaus Jensen result = (NvmeAerResult *) &req->cqe.result; 158488eea45cSKlaus Jensen result->event_type = event->result.event_type; 158588eea45cSKlaus Jensen result->event_info = event->result.event_info; 158688eea45cSKlaus Jensen result->log_page = event->result.log_page; 158788eea45cSKlaus Jensen g_free(event); 158888eea45cSKlaus Jensen 158988eea45cSKlaus Jensen trace_pci_nvme_aer_post_cqe(result->event_type, result->event_info, 159088eea45cSKlaus Jensen result->log_page); 159188eea45cSKlaus Jensen 159288eea45cSKlaus Jensen nvme_enqueue_req_completion(&n->admin_cq, req); 159388eea45cSKlaus Jensen } 159488eea45cSKlaus Jensen } 159588eea45cSKlaus Jensen 159688eea45cSKlaus Jensen static void nvme_enqueue_event(NvmeCtrl *n, uint8_t event_type, 159788eea45cSKlaus Jensen uint8_t event_info, uint8_t log_page) 159888eea45cSKlaus Jensen { 159988eea45cSKlaus Jensen NvmeAsyncEvent *event; 160088eea45cSKlaus Jensen 160188eea45cSKlaus Jensen trace_pci_nvme_enqueue_event(event_type, event_info, log_page); 160288eea45cSKlaus Jensen 160388eea45cSKlaus Jensen if (n->aer_queued == n->params.aer_max_queued) { 160488eea45cSKlaus Jensen trace_pci_nvme_enqueue_event_noqueue(n->aer_queued); 160588eea45cSKlaus Jensen return; 160688eea45cSKlaus Jensen } 160788eea45cSKlaus Jensen 160888eea45cSKlaus Jensen event = g_new(NvmeAsyncEvent, 1); 160988eea45cSKlaus Jensen event->result = (NvmeAerResult) { 161088eea45cSKlaus Jensen .event_type = event_type, 161188eea45cSKlaus Jensen .event_info = event_info, 161288eea45cSKlaus Jensen .log_page = log_page, 161388eea45cSKlaus Jensen }; 161488eea45cSKlaus Jensen 161588eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&n->aer_queue, event, entry); 161688eea45cSKlaus Jensen n->aer_queued++; 161788eea45cSKlaus Jensen 161888eea45cSKlaus Jensen nvme_process_aers(n); 161988eea45cSKlaus Jensen } 162088eea45cSKlaus Jensen 162188eea45cSKlaus Jensen static void nvme_smart_event(NvmeCtrl *n, uint8_t event) 162288eea45cSKlaus Jensen { 162388eea45cSKlaus Jensen uint8_t aer_info; 162488eea45cSKlaus Jensen 162588eea45cSKlaus Jensen /* Ref SPEC <Asynchronous Event Information 0x2013 SMART / Health Status> */ 162688eea45cSKlaus Jensen if (!(NVME_AEC_SMART(n->features.async_config) & event)) { 162788eea45cSKlaus Jensen return; 162888eea45cSKlaus Jensen } 162988eea45cSKlaus Jensen 163088eea45cSKlaus Jensen switch (event) { 163188eea45cSKlaus Jensen case NVME_SMART_SPARE: 163288eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_SPARE_THRESH; 163388eea45cSKlaus Jensen break; 163488eea45cSKlaus Jensen case NVME_SMART_TEMPERATURE: 163588eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_TEMP_THRESH; 163688eea45cSKlaus Jensen break; 163788eea45cSKlaus Jensen case NVME_SMART_RELIABILITY: 163888eea45cSKlaus Jensen case NVME_SMART_MEDIA_READ_ONLY: 163988eea45cSKlaus Jensen case NVME_SMART_FAILED_VOLATILE_MEDIA: 164088eea45cSKlaus Jensen case NVME_SMART_PMR_UNRELIABLE: 164188eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_RELIABILITY; 164288eea45cSKlaus Jensen break; 164388eea45cSKlaus Jensen default: 164488eea45cSKlaus Jensen return; 164588eea45cSKlaus Jensen } 164688eea45cSKlaus Jensen 164788eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_SMART, aer_info, NVME_LOG_SMART_INFO); 164888eea45cSKlaus Jensen } 164988eea45cSKlaus Jensen 165088eea45cSKlaus Jensen static void nvme_clear_events(NvmeCtrl *n, uint8_t event_type) 165188eea45cSKlaus Jensen { 165288eea45cSKlaus Jensen n->aer_mask &= ~(1 << event_type); 165388eea45cSKlaus Jensen if (!QTAILQ_EMPTY(&n->aer_queue)) { 165488eea45cSKlaus Jensen nvme_process_aers(n); 165588eea45cSKlaus Jensen } 165688eea45cSKlaus Jensen } 165788eea45cSKlaus Jensen 165888eea45cSKlaus Jensen static inline uint16_t nvme_check_mdts(NvmeCtrl *n, size_t len) 165988eea45cSKlaus Jensen { 166088eea45cSKlaus Jensen uint8_t mdts = n->params.mdts; 166188eea45cSKlaus Jensen 166288eea45cSKlaus Jensen if (mdts && len > n->page_size << mdts) { 166388eea45cSKlaus Jensen trace_pci_nvme_err_mdts(len); 166488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 166588eea45cSKlaus Jensen } 166688eea45cSKlaus Jensen 166788eea45cSKlaus Jensen return NVME_SUCCESS; 166888eea45cSKlaus Jensen } 166988eea45cSKlaus Jensen 167088eea45cSKlaus Jensen static inline uint16_t nvme_check_bounds(NvmeNamespace *ns, uint64_t slba, 167188eea45cSKlaus Jensen uint32_t nlb) 167288eea45cSKlaus Jensen { 167388eea45cSKlaus Jensen uint64_t nsze = le64_to_cpu(ns->id_ns.nsze); 167488eea45cSKlaus Jensen 167588eea45cSKlaus Jensen if (unlikely(UINT64_MAX - slba < nlb || slba + nlb > nsze)) { 167688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(slba, nlb, nsze); 167788eea45cSKlaus Jensen return NVME_LBA_RANGE | NVME_DNR; 167888eea45cSKlaus Jensen } 167988eea45cSKlaus Jensen 168088eea45cSKlaus Jensen return NVME_SUCCESS; 168188eea45cSKlaus Jensen } 168288eea45cSKlaus Jensen 1683ff0ac2c8SKlaus Jensen static int nvme_block_status_all(NvmeNamespace *ns, uint64_t slba, 1684ff0ac2c8SKlaus Jensen uint32_t nlb, int flags) 168588eea45cSKlaus Jensen { 168688eea45cSKlaus Jensen BlockDriverState *bs = blk_bs(ns->blkconf.blk); 168788eea45cSKlaus Jensen 168888eea45cSKlaus Jensen int64_t pnum = 0, bytes = nvme_l2b(ns, nlb); 168988eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 169088eea45cSKlaus Jensen int ret; 169188eea45cSKlaus Jensen 169288eea45cSKlaus Jensen /* 169388eea45cSKlaus Jensen * `pnum` holds the number of bytes after offset that shares the same 169488eea45cSKlaus Jensen * allocation status as the byte at offset. If `pnum` is different from 169588eea45cSKlaus Jensen * `bytes`, we should check the allocation status of the next range and 169688eea45cSKlaus Jensen * continue this until all bytes have been checked. 169788eea45cSKlaus Jensen */ 169888eea45cSKlaus Jensen do { 169988eea45cSKlaus Jensen bytes -= pnum; 170088eea45cSKlaus Jensen 170188eea45cSKlaus Jensen ret = bdrv_block_status(bs, offset, bytes, &pnum, NULL, NULL); 170288eea45cSKlaus Jensen if (ret < 0) { 1703ff0ac2c8SKlaus Jensen return ret; 170488eea45cSKlaus Jensen } 170588eea45cSKlaus Jensen 170688eea45cSKlaus Jensen 1707ff0ac2c8SKlaus Jensen trace_pci_nvme_block_status(offset, bytes, pnum, ret, 1708ff0ac2c8SKlaus Jensen !!(ret & BDRV_BLOCK_ZERO)); 170988eea45cSKlaus Jensen 1710ff0ac2c8SKlaus Jensen if (!(ret & flags)) { 1711ff0ac2c8SKlaus Jensen return 1; 171288eea45cSKlaus Jensen } 171388eea45cSKlaus Jensen 171488eea45cSKlaus Jensen offset += pnum; 171588eea45cSKlaus Jensen } while (pnum != bytes); 171688eea45cSKlaus Jensen 1717ff0ac2c8SKlaus Jensen return 0; 1718ff0ac2c8SKlaus Jensen } 1719ff0ac2c8SKlaus Jensen 1720ff0ac2c8SKlaus Jensen static uint16_t nvme_check_dulbe(NvmeNamespace *ns, uint64_t slba, 1721ff0ac2c8SKlaus Jensen uint32_t nlb) 1722ff0ac2c8SKlaus Jensen { 1723ff0ac2c8SKlaus Jensen int ret; 1724ff0ac2c8SKlaus Jensen Error *err = NULL; 1725ff0ac2c8SKlaus Jensen 1726ff0ac2c8SKlaus Jensen ret = nvme_block_status_all(ns, slba, nlb, BDRV_BLOCK_DATA); 1727ff0ac2c8SKlaus Jensen if (ret) { 1728ff0ac2c8SKlaus Jensen if (ret < 0) { 1729ff0ac2c8SKlaus Jensen error_setg_errno(&err, -ret, "unable to get block status"); 1730ff0ac2c8SKlaus Jensen error_report_err(err); 1731ff0ac2c8SKlaus Jensen 1732ff0ac2c8SKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 1733ff0ac2c8SKlaus Jensen } 1734ff0ac2c8SKlaus Jensen 1735ff0ac2c8SKlaus Jensen return NVME_DULB; 1736ff0ac2c8SKlaus Jensen } 1737ff0ac2c8SKlaus Jensen 173888eea45cSKlaus Jensen return NVME_SUCCESS; 173988eea45cSKlaus Jensen } 174088eea45cSKlaus Jensen 174188eea45cSKlaus Jensen static void nvme_aio_err(NvmeRequest *req, int ret) 174288eea45cSKlaus Jensen { 174388eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 174488eea45cSKlaus Jensen Error *local_err = NULL; 174588eea45cSKlaus Jensen 174688eea45cSKlaus Jensen switch (req->cmd.opcode) { 174788eea45cSKlaus Jensen case NVME_CMD_READ: 174888eea45cSKlaus Jensen status = NVME_UNRECOVERED_READ; 174988eea45cSKlaus Jensen break; 175088eea45cSKlaus Jensen case NVME_CMD_FLUSH: 175188eea45cSKlaus Jensen case NVME_CMD_WRITE: 175288eea45cSKlaus Jensen case NVME_CMD_WRITE_ZEROES: 175388eea45cSKlaus Jensen case NVME_CMD_ZONE_APPEND: 1754cab1da59SMinwoo Im case NVME_CMD_COPY: 175588eea45cSKlaus Jensen status = NVME_WRITE_FAULT; 175688eea45cSKlaus Jensen break; 175788eea45cSKlaus Jensen default: 175888eea45cSKlaus Jensen status = NVME_INTERNAL_DEV_ERROR; 175988eea45cSKlaus Jensen break; 176088eea45cSKlaus Jensen } 176188eea45cSKlaus Jensen 176288eea45cSKlaus Jensen trace_pci_nvme_err_aio(nvme_cid(req), strerror(-ret), status); 176388eea45cSKlaus Jensen 176488eea45cSKlaus Jensen error_setg_errno(&local_err, -ret, "aio failed"); 176588eea45cSKlaus Jensen error_report_err(local_err); 176688eea45cSKlaus Jensen 176788eea45cSKlaus Jensen /* 176888eea45cSKlaus Jensen * Set the command status code to the first encountered error but allow a 176988eea45cSKlaus Jensen * subsequent Internal Device Error to trump it. 177088eea45cSKlaus Jensen */ 177188eea45cSKlaus Jensen if (req->status && status != NVME_INTERNAL_DEV_ERROR) { 177288eea45cSKlaus Jensen return; 177388eea45cSKlaus Jensen } 177488eea45cSKlaus Jensen 177588eea45cSKlaus Jensen req->status = status; 177688eea45cSKlaus Jensen } 177788eea45cSKlaus Jensen 177888eea45cSKlaus Jensen static inline uint32_t nvme_zone_idx(NvmeNamespace *ns, uint64_t slba) 177988eea45cSKlaus Jensen { 178088eea45cSKlaus Jensen return ns->zone_size_log2 > 0 ? slba >> ns->zone_size_log2 : 178188eea45cSKlaus Jensen slba / ns->zone_size; 178288eea45cSKlaus Jensen } 178388eea45cSKlaus Jensen 178488eea45cSKlaus Jensen static inline NvmeZone *nvme_get_zone_by_slba(NvmeNamespace *ns, uint64_t slba) 178588eea45cSKlaus Jensen { 178688eea45cSKlaus Jensen uint32_t zone_idx = nvme_zone_idx(ns, slba); 178788eea45cSKlaus Jensen 1788189a8bf7SKlaus Jensen if (zone_idx >= ns->num_zones) { 1789189a8bf7SKlaus Jensen return NULL; 1790189a8bf7SKlaus Jensen } 1791189a8bf7SKlaus Jensen 179288eea45cSKlaus Jensen return &ns->zone_array[zone_idx]; 179388eea45cSKlaus Jensen } 179488eea45cSKlaus Jensen 179588eea45cSKlaus Jensen static uint16_t nvme_check_zone_state_for_write(NvmeZone *zone) 179688eea45cSKlaus Jensen { 179788eea45cSKlaus Jensen uint64_t zslba = zone->d.zslba; 179888eea45cSKlaus Jensen 179988eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 180088eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 180188eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 180288eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 180388eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 180488eea45cSKlaus Jensen return NVME_SUCCESS; 180588eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 180688eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_full(zslba); 180788eea45cSKlaus Jensen return NVME_ZONE_FULL; 180888eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 180988eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_offline(zslba); 181088eea45cSKlaus Jensen return NVME_ZONE_OFFLINE; 181188eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 181288eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_read_only(zslba); 181388eea45cSKlaus Jensen return NVME_ZONE_READ_ONLY; 181488eea45cSKlaus Jensen default: 181588eea45cSKlaus Jensen assert(false); 181688eea45cSKlaus Jensen } 181788eea45cSKlaus Jensen 181888eea45cSKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 181988eea45cSKlaus Jensen } 182088eea45cSKlaus Jensen 182188eea45cSKlaus Jensen static uint16_t nvme_check_zone_write(NvmeNamespace *ns, NvmeZone *zone, 182288eea45cSKlaus Jensen uint64_t slba, uint32_t nlb) 182388eea45cSKlaus Jensen { 182488eea45cSKlaus Jensen uint64_t zcap = nvme_zone_wr_boundary(zone); 182588eea45cSKlaus Jensen uint16_t status; 182688eea45cSKlaus Jensen 182788eea45cSKlaus Jensen status = nvme_check_zone_state_for_write(zone); 182888eea45cSKlaus Jensen if (status) { 182988eea45cSKlaus Jensen return status; 183088eea45cSKlaus Jensen } 183188eea45cSKlaus Jensen 1832e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1833e321b4cdSKlaus Jensen uint64_t ezrwa = zone->w_ptr + 2 * ns->zns.zrwas; 1834e321b4cdSKlaus Jensen 1835e321b4cdSKlaus Jensen if (slba < zone->w_ptr || slba + nlb > ezrwa) { 1836e321b4cdSKlaus Jensen trace_pci_nvme_err_zone_invalid_write(slba, zone->w_ptr); 183788eea45cSKlaus Jensen return NVME_ZONE_INVALID_WRITE; 183888eea45cSKlaus Jensen } 1839e321b4cdSKlaus Jensen } else { 1840e321b4cdSKlaus Jensen if (unlikely(slba != zone->w_ptr)) { 1841e321b4cdSKlaus Jensen trace_pci_nvme_err_write_not_at_wp(slba, zone->d.zslba, 1842e321b4cdSKlaus Jensen zone->w_ptr); 1843e321b4cdSKlaus Jensen return NVME_ZONE_INVALID_WRITE; 1844e321b4cdSKlaus Jensen } 1845e321b4cdSKlaus Jensen } 184688eea45cSKlaus Jensen 184788eea45cSKlaus Jensen if (unlikely((slba + nlb) > zcap)) { 184888eea45cSKlaus Jensen trace_pci_nvme_err_zone_boundary(slba, nlb, zcap); 184988eea45cSKlaus Jensen return NVME_ZONE_BOUNDARY_ERROR; 185088eea45cSKlaus Jensen } 185188eea45cSKlaus Jensen 185288eea45cSKlaus Jensen return NVME_SUCCESS; 185388eea45cSKlaus Jensen } 185488eea45cSKlaus Jensen 185588eea45cSKlaus Jensen static uint16_t nvme_check_zone_state_for_read(NvmeZone *zone) 185688eea45cSKlaus Jensen { 185788eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 185888eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 185988eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 186088eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 186188eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 186288eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 186388eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 186488eea45cSKlaus Jensen return NVME_SUCCESS; 186588eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 186688eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_offline(zone->d.zslba); 186788eea45cSKlaus Jensen return NVME_ZONE_OFFLINE; 186888eea45cSKlaus Jensen default: 186988eea45cSKlaus Jensen assert(false); 187088eea45cSKlaus Jensen } 187188eea45cSKlaus Jensen 187288eea45cSKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 187388eea45cSKlaus Jensen } 187488eea45cSKlaus Jensen 187588eea45cSKlaus Jensen static uint16_t nvme_check_zone_read(NvmeNamespace *ns, uint64_t slba, 187688eea45cSKlaus Jensen uint32_t nlb) 187788eea45cSKlaus Jensen { 1878189a8bf7SKlaus Jensen NvmeZone *zone; 1879189a8bf7SKlaus Jensen uint64_t bndry, end; 188088eea45cSKlaus Jensen uint16_t status; 188188eea45cSKlaus Jensen 1882189a8bf7SKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 1883189a8bf7SKlaus Jensen assert(zone); 1884189a8bf7SKlaus Jensen 1885189a8bf7SKlaus Jensen bndry = nvme_zone_rd_boundary(ns, zone); 1886189a8bf7SKlaus Jensen end = slba + nlb; 1887189a8bf7SKlaus Jensen 188888eea45cSKlaus Jensen status = nvme_check_zone_state_for_read(zone); 188988eea45cSKlaus Jensen if (status) { 189088eea45cSKlaus Jensen ; 189188eea45cSKlaus Jensen } else if (unlikely(end > bndry)) { 189288eea45cSKlaus Jensen if (!ns->params.cross_zone_read) { 189388eea45cSKlaus Jensen status = NVME_ZONE_BOUNDARY_ERROR; 189488eea45cSKlaus Jensen } else { 189588eea45cSKlaus Jensen /* 189688eea45cSKlaus Jensen * Read across zone boundary - check that all subsequent 189788eea45cSKlaus Jensen * zones that are being read have an appropriate state. 189888eea45cSKlaus Jensen */ 189988eea45cSKlaus Jensen do { 190088eea45cSKlaus Jensen zone++; 190188eea45cSKlaus Jensen status = nvme_check_zone_state_for_read(zone); 190288eea45cSKlaus Jensen if (status) { 190388eea45cSKlaus Jensen break; 190488eea45cSKlaus Jensen } 190588eea45cSKlaus Jensen } while (end > nvme_zone_rd_boundary(ns, zone)); 190688eea45cSKlaus Jensen } 190788eea45cSKlaus Jensen } 190888eea45cSKlaus Jensen 190988eea45cSKlaus Jensen return status; 191088eea45cSKlaus Jensen } 191188eea45cSKlaus Jensen 191288eea45cSKlaus Jensen static uint16_t nvme_zrm_finish(NvmeNamespace *ns, NvmeZone *zone) 191388eea45cSKlaus Jensen { 191488eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 191588eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 191688eea45cSKlaus Jensen return NVME_SUCCESS; 191788eea45cSKlaus Jensen 191888eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 191988eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 192088eea45cSKlaus Jensen nvme_aor_dec_open(ns); 192188eea45cSKlaus Jensen /* fallthrough */ 192288eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 192388eea45cSKlaus Jensen nvme_aor_dec_active(ns); 1924e321b4cdSKlaus Jensen 1925e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1926e321b4cdSKlaus Jensen zone->d.za &= ~NVME_ZA_ZRWA_VALID; 1927e321b4cdSKlaus Jensen if (ns->params.numzrwa) { 1928e321b4cdSKlaus Jensen ns->zns.numzrwa++; 1929e321b4cdSKlaus Jensen } 1930e321b4cdSKlaus Jensen } 1931e321b4cdSKlaus Jensen 193288eea45cSKlaus Jensen /* fallthrough */ 193388eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 193488eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_FULL); 193588eea45cSKlaus Jensen return NVME_SUCCESS; 193688eea45cSKlaus Jensen 193788eea45cSKlaus Jensen default: 193888eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 193988eea45cSKlaus Jensen } 194088eea45cSKlaus Jensen } 194188eea45cSKlaus Jensen 194288eea45cSKlaus Jensen static uint16_t nvme_zrm_close(NvmeNamespace *ns, NvmeZone *zone) 194388eea45cSKlaus Jensen { 194488eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 194588eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 194688eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 194788eea45cSKlaus Jensen nvme_aor_dec_open(ns); 194888eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_CLOSED); 194988eea45cSKlaus Jensen /* fall through */ 195088eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 195188eea45cSKlaus Jensen return NVME_SUCCESS; 195288eea45cSKlaus Jensen 195388eea45cSKlaus Jensen default: 195488eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 195588eea45cSKlaus Jensen } 195688eea45cSKlaus Jensen } 195788eea45cSKlaus Jensen 195863d96e4fSKlaus Jensen static uint16_t nvme_zrm_reset(NvmeNamespace *ns, NvmeZone *zone) 195963d96e4fSKlaus Jensen { 196063d96e4fSKlaus Jensen switch (nvme_get_zone_state(zone)) { 196163d96e4fSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 196263d96e4fSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 196363d96e4fSKlaus Jensen nvme_aor_dec_open(ns); 196463d96e4fSKlaus Jensen /* fallthrough */ 196563d96e4fSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 196663d96e4fSKlaus Jensen nvme_aor_dec_active(ns); 1967e321b4cdSKlaus Jensen 1968e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1969e321b4cdSKlaus Jensen if (ns->params.numzrwa) { 1970e321b4cdSKlaus Jensen ns->zns.numzrwa++; 1971e321b4cdSKlaus Jensen } 1972e321b4cdSKlaus Jensen } 1973e321b4cdSKlaus Jensen 197463d96e4fSKlaus Jensen /* fallthrough */ 197563d96e4fSKlaus Jensen case NVME_ZONE_STATE_FULL: 197663d96e4fSKlaus Jensen zone->w_ptr = zone->d.zslba; 197763d96e4fSKlaus Jensen zone->d.wp = zone->w_ptr; 197863d96e4fSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_EMPTY); 197963d96e4fSKlaus Jensen /* fallthrough */ 198063d96e4fSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 198163d96e4fSKlaus Jensen return NVME_SUCCESS; 198263d96e4fSKlaus Jensen 198363d96e4fSKlaus Jensen default: 198463d96e4fSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 198563d96e4fSKlaus Jensen } 198663d96e4fSKlaus Jensen } 198763d96e4fSKlaus Jensen 198888eea45cSKlaus Jensen static void nvme_zrm_auto_transition_zone(NvmeNamespace *ns) 198988eea45cSKlaus Jensen { 199088eea45cSKlaus Jensen NvmeZone *zone; 199188eea45cSKlaus Jensen 199288eea45cSKlaus Jensen if (ns->params.max_open_zones && 199388eea45cSKlaus Jensen ns->nr_open_zones == ns->params.max_open_zones) { 199488eea45cSKlaus Jensen zone = QTAILQ_FIRST(&ns->imp_open_zones); 199588eea45cSKlaus Jensen if (zone) { 199688eea45cSKlaus Jensen /* 199788eea45cSKlaus Jensen * Automatically close this implicitly open zone. 199888eea45cSKlaus Jensen */ 199988eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->imp_open_zones, zone, entry); 200088eea45cSKlaus Jensen nvme_zrm_close(ns, zone); 200188eea45cSKlaus Jensen } 200288eea45cSKlaus Jensen } 200388eea45cSKlaus Jensen } 200488eea45cSKlaus Jensen 200588eea45cSKlaus Jensen enum { 200688eea45cSKlaus Jensen NVME_ZRM_AUTO = 1 << 0, 2007e321b4cdSKlaus Jensen NVME_ZRM_ZRWA = 1 << 1, 200888eea45cSKlaus Jensen }; 200988eea45cSKlaus Jensen 2010cccc2651SNiklas Cassel static uint16_t nvme_zrm_open_flags(NvmeCtrl *n, NvmeNamespace *ns, 2011cccc2651SNiklas Cassel NvmeZone *zone, int flags) 201288eea45cSKlaus Jensen { 201388eea45cSKlaus Jensen int act = 0; 201488eea45cSKlaus Jensen uint16_t status; 201588eea45cSKlaus Jensen 201688eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 201788eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 201888eea45cSKlaus Jensen act = 1; 201988eea45cSKlaus Jensen 202088eea45cSKlaus Jensen /* fallthrough */ 202188eea45cSKlaus Jensen 202288eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 2023cccc2651SNiklas Cassel if (n->params.auto_transition_zones) { 202488eea45cSKlaus Jensen nvme_zrm_auto_transition_zone(ns); 2025cccc2651SNiklas Cassel } 2026e321b4cdSKlaus Jensen status = nvme_zns_check_resources(ns, act, 1, 2027e321b4cdSKlaus Jensen (flags & NVME_ZRM_ZRWA) ? 1 : 0); 202888eea45cSKlaus Jensen if (status) { 202988eea45cSKlaus Jensen return status; 203088eea45cSKlaus Jensen } 203188eea45cSKlaus Jensen 203288eea45cSKlaus Jensen if (act) { 203388eea45cSKlaus Jensen nvme_aor_inc_active(ns); 203488eea45cSKlaus Jensen } 203588eea45cSKlaus Jensen 203688eea45cSKlaus Jensen nvme_aor_inc_open(ns); 203788eea45cSKlaus Jensen 203888eea45cSKlaus Jensen if (flags & NVME_ZRM_AUTO) { 203988eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_IMPLICITLY_OPEN); 204088eea45cSKlaus Jensen return NVME_SUCCESS; 204188eea45cSKlaus Jensen } 204288eea45cSKlaus Jensen 204388eea45cSKlaus Jensen /* fallthrough */ 204488eea45cSKlaus Jensen 204588eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 204688eea45cSKlaus Jensen if (flags & NVME_ZRM_AUTO) { 204788eea45cSKlaus Jensen return NVME_SUCCESS; 204888eea45cSKlaus Jensen } 204988eea45cSKlaus Jensen 205088eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_EXPLICITLY_OPEN); 205188eea45cSKlaus Jensen 205288eea45cSKlaus Jensen /* fallthrough */ 205388eea45cSKlaus Jensen 205488eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 2055e321b4cdSKlaus Jensen if (flags & NVME_ZRM_ZRWA) { 2056e321b4cdSKlaus Jensen ns->zns.numzrwa--; 2057e321b4cdSKlaus Jensen 2058e321b4cdSKlaus Jensen zone->d.za |= NVME_ZA_ZRWA_VALID; 2059e321b4cdSKlaus Jensen } 2060e321b4cdSKlaus Jensen 206188eea45cSKlaus Jensen return NVME_SUCCESS; 206288eea45cSKlaus Jensen 206388eea45cSKlaus Jensen default: 206488eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 206588eea45cSKlaus Jensen } 206688eea45cSKlaus Jensen } 206788eea45cSKlaus Jensen 2068cccc2651SNiklas Cassel static inline uint16_t nvme_zrm_auto(NvmeCtrl *n, NvmeNamespace *ns, 2069cccc2651SNiklas Cassel NvmeZone *zone) 207088eea45cSKlaus Jensen { 2071cccc2651SNiklas Cassel return nvme_zrm_open_flags(n, ns, zone, NVME_ZRM_AUTO); 207288eea45cSKlaus Jensen } 207388eea45cSKlaus Jensen 207488eea45cSKlaus Jensen static void nvme_advance_zone_wp(NvmeNamespace *ns, NvmeZone *zone, 207588eea45cSKlaus Jensen uint32_t nlb) 207688eea45cSKlaus Jensen { 207788eea45cSKlaus Jensen zone->d.wp += nlb; 207888eea45cSKlaus Jensen 207988eea45cSKlaus Jensen if (zone->d.wp == nvme_zone_wr_boundary(zone)) { 208088eea45cSKlaus Jensen nvme_zrm_finish(ns, zone); 208188eea45cSKlaus Jensen } 208288eea45cSKlaus Jensen } 208388eea45cSKlaus Jensen 2084e321b4cdSKlaus Jensen static void nvme_zoned_zrwa_implicit_flush(NvmeNamespace *ns, NvmeZone *zone, 2085e321b4cdSKlaus Jensen uint32_t nlbc) 2086e321b4cdSKlaus Jensen { 2087e321b4cdSKlaus Jensen uint16_t nzrwafgs = DIV_ROUND_UP(nlbc, ns->zns.zrwafg); 2088e321b4cdSKlaus Jensen 2089e321b4cdSKlaus Jensen nlbc = nzrwafgs * ns->zns.zrwafg; 2090e321b4cdSKlaus Jensen 2091e321b4cdSKlaus Jensen trace_pci_nvme_zoned_zrwa_implicit_flush(zone->d.zslba, nlbc); 2092e321b4cdSKlaus Jensen 2093e321b4cdSKlaus Jensen zone->w_ptr += nlbc; 2094e321b4cdSKlaus Jensen 2095e321b4cdSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlbc); 2096e321b4cdSKlaus Jensen } 2097e321b4cdSKlaus Jensen 209888eea45cSKlaus Jensen static void nvme_finalize_zoned_write(NvmeNamespace *ns, NvmeRequest *req) 209988eea45cSKlaus Jensen { 210088eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 210188eea45cSKlaus Jensen NvmeZone *zone; 210288eea45cSKlaus Jensen uint64_t slba; 210388eea45cSKlaus Jensen uint32_t nlb; 210488eea45cSKlaus Jensen 210588eea45cSKlaus Jensen slba = le64_to_cpu(rw->slba); 210688eea45cSKlaus Jensen nlb = le16_to_cpu(rw->nlb) + 1; 210788eea45cSKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 2108189a8bf7SKlaus Jensen assert(zone); 210988eea45cSKlaus Jensen 2110e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 2111e321b4cdSKlaus Jensen uint64_t ezrwa = zone->w_ptr + ns->zns.zrwas - 1; 2112e321b4cdSKlaus Jensen uint64_t elba = slba + nlb - 1; 2113e321b4cdSKlaus Jensen 2114e321b4cdSKlaus Jensen if (elba > ezrwa) { 2115e321b4cdSKlaus Jensen nvme_zoned_zrwa_implicit_flush(ns, zone, elba - ezrwa); 2116e321b4cdSKlaus Jensen } 2117e321b4cdSKlaus Jensen 2118e321b4cdSKlaus Jensen return; 2119e321b4cdSKlaus Jensen } 2120e321b4cdSKlaus Jensen 212188eea45cSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlb); 212288eea45cSKlaus Jensen } 212388eea45cSKlaus Jensen 212488eea45cSKlaus Jensen static inline bool nvme_is_write(NvmeRequest *req) 212588eea45cSKlaus Jensen { 212688eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 212788eea45cSKlaus Jensen 212888eea45cSKlaus Jensen return rw->opcode == NVME_CMD_WRITE || 212988eea45cSKlaus Jensen rw->opcode == NVME_CMD_ZONE_APPEND || 213088eea45cSKlaus Jensen rw->opcode == NVME_CMD_WRITE_ZEROES; 213188eea45cSKlaus Jensen } 213288eea45cSKlaus Jensen 213338f4ac65SKlaus Jensen static AioContext *nvme_get_aio_context(BlockAIOCB *acb) 213438f4ac65SKlaus Jensen { 213538f4ac65SKlaus Jensen return qemu_get_aio_context(); 213638f4ac65SKlaus Jensen } 213738f4ac65SKlaus Jensen 213888eea45cSKlaus Jensen static void nvme_misc_cb(void *opaque, int ret) 213988eea45cSKlaus Jensen { 214088eea45cSKlaus Jensen NvmeRequest *req = opaque; 214188eea45cSKlaus Jensen 214238f4ac65SKlaus Jensen trace_pci_nvme_misc_cb(nvme_cid(req)); 214388eea45cSKlaus Jensen 214488eea45cSKlaus Jensen if (ret) { 214588eea45cSKlaus Jensen nvme_aio_err(req, ret); 214688eea45cSKlaus Jensen } 214788eea45cSKlaus Jensen 214888eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 214988eea45cSKlaus Jensen } 215088eea45cSKlaus Jensen 215188eea45cSKlaus Jensen void nvme_rw_complete_cb(void *opaque, int ret) 215288eea45cSKlaus Jensen { 215388eea45cSKlaus Jensen NvmeRequest *req = opaque; 215488eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 215588eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 215688eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 215788eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 215888eea45cSKlaus Jensen 215988eea45cSKlaus Jensen trace_pci_nvme_rw_complete_cb(nvme_cid(req), blk_name(blk)); 216088eea45cSKlaus Jensen 216188eea45cSKlaus Jensen if (ret) { 216288eea45cSKlaus Jensen block_acct_failed(stats, acct); 216388eea45cSKlaus Jensen nvme_aio_err(req, ret); 216488eea45cSKlaus Jensen } else { 216588eea45cSKlaus Jensen block_acct_done(stats, acct); 216688eea45cSKlaus Jensen } 216788eea45cSKlaus Jensen 216888eea45cSKlaus Jensen if (ns->params.zoned && nvme_is_write(req)) { 216988eea45cSKlaus Jensen nvme_finalize_zoned_write(ns, req); 217088eea45cSKlaus Jensen } 217188eea45cSKlaus Jensen 217288eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 217388eea45cSKlaus Jensen } 217488eea45cSKlaus Jensen 217588eea45cSKlaus Jensen static void nvme_rw_cb(void *opaque, int ret) 217688eea45cSKlaus Jensen { 217788eea45cSKlaus Jensen NvmeRequest *req = opaque; 217888eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 217988eea45cSKlaus Jensen 218088eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 218188eea45cSKlaus Jensen 218288eea45cSKlaus Jensen trace_pci_nvme_rw_cb(nvme_cid(req), blk_name(blk)); 218388eea45cSKlaus Jensen 218488eea45cSKlaus Jensen if (ret) { 218588eea45cSKlaus Jensen goto out; 218688eea45cSKlaus Jensen } 218788eea45cSKlaus Jensen 218888eea45cSKlaus Jensen if (ns->lbaf.ms) { 218988eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 219088eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 219188eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 219288eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 219388eea45cSKlaus Jensen 219488eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_WRITE_ZEROES) { 219588eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 219688eea45cSKlaus Jensen 219788eea45cSKlaus Jensen req->aiocb = blk_aio_pwrite_zeroes(blk, offset, mlen, 219888eea45cSKlaus Jensen BDRV_REQ_MAY_UNMAP, 219988eea45cSKlaus Jensen nvme_rw_complete_cb, req); 220088eea45cSKlaus Jensen return; 220188eea45cSKlaus Jensen } 220288eea45cSKlaus Jensen 220388eea45cSKlaus Jensen if (nvme_ns_ext(ns) || req->cmd.mptr) { 220488eea45cSKlaus Jensen uint16_t status; 220588eea45cSKlaus Jensen 220688eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 220788eea45cSKlaus Jensen status = nvme_map_mdata(nvme_ctrl(req), nlb, req); 220888eea45cSKlaus Jensen if (status) { 220988eea45cSKlaus Jensen ret = -EFAULT; 221088eea45cSKlaus Jensen goto out; 221188eea45cSKlaus Jensen } 221288eea45cSKlaus Jensen 221388eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_READ) { 22149b4f0181SMateusz Kozlowski return nvme_blk_read(blk, offset, 1, nvme_rw_complete_cb, req); 221588eea45cSKlaus Jensen } 221688eea45cSKlaus Jensen 22179b4f0181SMateusz Kozlowski return nvme_blk_write(blk, offset, 1, nvme_rw_complete_cb, req); 221888eea45cSKlaus Jensen } 221988eea45cSKlaus Jensen } 222088eea45cSKlaus Jensen 222188eea45cSKlaus Jensen out: 222288eea45cSKlaus Jensen nvme_rw_complete_cb(req, ret); 222388eea45cSKlaus Jensen } 222488eea45cSKlaus Jensen 222588eea45cSKlaus Jensen static void nvme_verify_cb(void *opaque, int ret) 222688eea45cSKlaus Jensen { 222788eea45cSKlaus Jensen NvmeBounceContext *ctx = opaque; 222888eea45cSKlaus Jensen NvmeRequest *req = ctx->req; 222988eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 223088eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 223188eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 223288eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 223388eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 223488eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 22352a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 223688eea45cSKlaus Jensen uint16_t apptag = le16_to_cpu(rw->apptag); 223788eea45cSKlaus Jensen uint16_t appmask = le16_to_cpu(rw->appmask); 223844219b60SNaveen Nagar uint64_t reftag = le32_to_cpu(rw->reftag); 223944219b60SNaveen Nagar uint64_t cdw3 = le32_to_cpu(rw->cdw3); 224088eea45cSKlaus Jensen uint16_t status; 224188eea45cSKlaus Jensen 224244219b60SNaveen Nagar reftag |= cdw3 << 32; 224344219b60SNaveen Nagar 22442a132309SKlaus Jensen trace_pci_nvme_verify_cb(nvme_cid(req), prinfo, apptag, appmask, reftag); 224588eea45cSKlaus Jensen 224688eea45cSKlaus Jensen if (ret) { 224788eea45cSKlaus Jensen block_acct_failed(stats, acct); 224888eea45cSKlaus Jensen nvme_aio_err(req, ret); 224988eea45cSKlaus Jensen goto out; 225088eea45cSKlaus Jensen } 225188eea45cSKlaus Jensen 225288eea45cSKlaus Jensen block_acct_done(stats, acct); 225388eea45cSKlaus Jensen 225488eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 225588eea45cSKlaus Jensen status = nvme_dif_mangle_mdata(ns, ctx->mdata.bounce, 225688eea45cSKlaus Jensen ctx->mdata.iov.size, slba); 225788eea45cSKlaus Jensen if (status) { 225888eea45cSKlaus Jensen req->status = status; 225988eea45cSKlaus Jensen goto out; 226088eea45cSKlaus Jensen } 226188eea45cSKlaus Jensen 226288eea45cSKlaus Jensen req->status = nvme_dif_check(ns, ctx->data.bounce, ctx->data.iov.size, 226388eea45cSKlaus Jensen ctx->mdata.bounce, ctx->mdata.iov.size, 22642a132309SKlaus Jensen prinfo, slba, apptag, appmask, &reftag); 226588eea45cSKlaus Jensen } 226688eea45cSKlaus Jensen 226788eea45cSKlaus Jensen out: 226888eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 226988eea45cSKlaus Jensen g_free(ctx->data.bounce); 227088eea45cSKlaus Jensen 227188eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->mdata.iov); 227288eea45cSKlaus Jensen g_free(ctx->mdata.bounce); 227388eea45cSKlaus Jensen 227488eea45cSKlaus Jensen g_free(ctx); 227588eea45cSKlaus Jensen 227688eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 227788eea45cSKlaus Jensen } 227888eea45cSKlaus Jensen 227988eea45cSKlaus Jensen 228088eea45cSKlaus Jensen static void nvme_verify_mdata_in_cb(void *opaque, int ret) 228188eea45cSKlaus Jensen { 228288eea45cSKlaus Jensen NvmeBounceContext *ctx = opaque; 228388eea45cSKlaus Jensen NvmeRequest *req = ctx->req; 228488eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 228588eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 228688eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 228788eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 228888eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 228988eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 229088eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 229188eea45cSKlaus Jensen 229288eea45cSKlaus Jensen trace_pci_nvme_verify_mdata_in_cb(nvme_cid(req), blk_name(blk)); 229388eea45cSKlaus Jensen 229488eea45cSKlaus Jensen if (ret) { 229588eea45cSKlaus Jensen goto out; 229688eea45cSKlaus Jensen } 229788eea45cSKlaus Jensen 229888eea45cSKlaus Jensen ctx->mdata.bounce = g_malloc(mlen); 229988eea45cSKlaus Jensen 230088eea45cSKlaus Jensen qemu_iovec_reset(&ctx->mdata.iov); 230188eea45cSKlaus Jensen qemu_iovec_add(&ctx->mdata.iov, ctx->mdata.bounce, mlen); 230288eea45cSKlaus Jensen 230388eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->mdata.iov, 0, 230488eea45cSKlaus Jensen nvme_verify_cb, ctx); 230588eea45cSKlaus Jensen return; 230688eea45cSKlaus Jensen 230788eea45cSKlaus Jensen out: 230888eea45cSKlaus Jensen nvme_verify_cb(ctx, ret); 230988eea45cSKlaus Jensen } 231088eea45cSKlaus Jensen 231188eea45cSKlaus Jensen struct nvme_compare_ctx { 231288eea45cSKlaus Jensen struct { 231388eea45cSKlaus Jensen QEMUIOVector iov; 231488eea45cSKlaus Jensen uint8_t *bounce; 231588eea45cSKlaus Jensen } data; 231688eea45cSKlaus Jensen 231788eea45cSKlaus Jensen struct { 231888eea45cSKlaus Jensen QEMUIOVector iov; 231988eea45cSKlaus Jensen uint8_t *bounce; 232088eea45cSKlaus Jensen } mdata; 232188eea45cSKlaus Jensen }; 232288eea45cSKlaus Jensen 232388eea45cSKlaus Jensen static void nvme_compare_mdata_cb(void *opaque, int ret) 232488eea45cSKlaus Jensen { 232588eea45cSKlaus Jensen NvmeRequest *req = opaque; 232688eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 232788eea45cSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 232888eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 23292a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 233088eea45cSKlaus Jensen uint16_t apptag = le16_to_cpu(rw->apptag); 233188eea45cSKlaus Jensen uint16_t appmask = le16_to_cpu(rw->appmask); 233244219b60SNaveen Nagar uint64_t reftag = le32_to_cpu(rw->reftag); 233344219b60SNaveen Nagar uint64_t cdw3 = le32_to_cpu(rw->cdw3); 233488eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = req->opaque; 233588eea45cSKlaus Jensen g_autofree uint8_t *buf = NULL; 233688eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 233788eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 233888eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 233988eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 234088eea45cSKlaus Jensen 234144219b60SNaveen Nagar reftag |= cdw3 << 32; 234244219b60SNaveen Nagar 234388eea45cSKlaus Jensen trace_pci_nvme_compare_mdata_cb(nvme_cid(req)); 234488eea45cSKlaus Jensen 234588eea45cSKlaus Jensen if (ret) { 234688eea45cSKlaus Jensen block_acct_failed(stats, acct); 234788eea45cSKlaus Jensen nvme_aio_err(req, ret); 234888eea45cSKlaus Jensen goto out; 234988eea45cSKlaus Jensen } 235088eea45cSKlaus Jensen 235188eea45cSKlaus Jensen buf = g_malloc(ctx->mdata.iov.size); 235288eea45cSKlaus Jensen 235388eea45cSKlaus Jensen status = nvme_bounce_mdata(n, buf, ctx->mdata.iov.size, 235488eea45cSKlaus Jensen NVME_TX_DIRECTION_TO_DEVICE, req); 235588eea45cSKlaus Jensen if (status) { 235688eea45cSKlaus Jensen req->status = status; 235788eea45cSKlaus Jensen goto out; 235888eea45cSKlaus Jensen } 235988eea45cSKlaus Jensen 236088eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 236188eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 236288eea45cSKlaus Jensen uint8_t *bufp; 236388eea45cSKlaus Jensen uint8_t *mbufp = ctx->mdata.bounce; 236488eea45cSKlaus Jensen uint8_t *end = mbufp + ctx->mdata.iov.size; 236588eea45cSKlaus Jensen int16_t pil = 0; 236688eea45cSKlaus Jensen 236788eea45cSKlaus Jensen status = nvme_dif_check(ns, ctx->data.bounce, ctx->data.iov.size, 23682a132309SKlaus Jensen ctx->mdata.bounce, ctx->mdata.iov.size, prinfo, 23690ca5c3ccSKlaus Jensen slba, apptag, appmask, &reftag); 237088eea45cSKlaus Jensen if (status) { 237188eea45cSKlaus Jensen req->status = status; 237288eea45cSKlaus Jensen goto out; 237388eea45cSKlaus Jensen } 237488eea45cSKlaus Jensen 237588eea45cSKlaus Jensen /* 237688eea45cSKlaus Jensen * When formatted with protection information, do not compare the DIF 237788eea45cSKlaus Jensen * tuple. 237888eea45cSKlaus Jensen */ 237988eea45cSKlaus Jensen if (!(ns->id_ns.dps & NVME_ID_NS_DPS_FIRST_EIGHT)) { 2380ac0b34c5SKlaus Jensen pil = ns->lbaf.ms - nvme_pi_tuple_size(ns); 238188eea45cSKlaus Jensen } 238288eea45cSKlaus Jensen 238388eea45cSKlaus Jensen for (bufp = buf; mbufp < end; bufp += ns->lbaf.ms, mbufp += ns->lbaf.ms) { 238488eea45cSKlaus Jensen if (memcmp(bufp + pil, mbufp + pil, ns->lbaf.ms - pil)) { 2385ca2a0918SKlaus Jensen req->status = NVME_CMP_FAILURE | NVME_DNR; 238688eea45cSKlaus Jensen goto out; 238788eea45cSKlaus Jensen } 238888eea45cSKlaus Jensen } 238988eea45cSKlaus Jensen 239088eea45cSKlaus Jensen goto out; 239188eea45cSKlaus Jensen } 239288eea45cSKlaus Jensen 239388eea45cSKlaus Jensen if (memcmp(buf, ctx->mdata.bounce, ctx->mdata.iov.size)) { 2394ca2a0918SKlaus Jensen req->status = NVME_CMP_FAILURE | NVME_DNR; 239588eea45cSKlaus Jensen goto out; 239688eea45cSKlaus Jensen } 239788eea45cSKlaus Jensen 239888eea45cSKlaus Jensen block_acct_done(stats, acct); 239988eea45cSKlaus Jensen 240088eea45cSKlaus Jensen out: 240188eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 240288eea45cSKlaus Jensen g_free(ctx->data.bounce); 240388eea45cSKlaus Jensen 240488eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->mdata.iov); 240588eea45cSKlaus Jensen g_free(ctx->mdata.bounce); 240688eea45cSKlaus Jensen 240788eea45cSKlaus Jensen g_free(ctx); 240888eea45cSKlaus Jensen 240988eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 241088eea45cSKlaus Jensen } 241188eea45cSKlaus Jensen 241288eea45cSKlaus Jensen static void nvme_compare_data_cb(void *opaque, int ret) 241388eea45cSKlaus Jensen { 241488eea45cSKlaus Jensen NvmeRequest *req = opaque; 241588eea45cSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 241688eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 241788eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 241888eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 241988eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 242088eea45cSKlaus Jensen 242188eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = req->opaque; 242288eea45cSKlaus Jensen g_autofree uint8_t *buf = NULL; 242388eea45cSKlaus Jensen uint16_t status; 242488eea45cSKlaus Jensen 242588eea45cSKlaus Jensen trace_pci_nvme_compare_data_cb(nvme_cid(req)); 242688eea45cSKlaus Jensen 242788eea45cSKlaus Jensen if (ret) { 242888eea45cSKlaus Jensen block_acct_failed(stats, acct); 242988eea45cSKlaus Jensen nvme_aio_err(req, ret); 243088eea45cSKlaus Jensen goto out; 243188eea45cSKlaus Jensen } 243288eea45cSKlaus Jensen 243388eea45cSKlaus Jensen buf = g_malloc(ctx->data.iov.size); 243488eea45cSKlaus Jensen 243588eea45cSKlaus Jensen status = nvme_bounce_data(n, buf, ctx->data.iov.size, 243688eea45cSKlaus Jensen NVME_TX_DIRECTION_TO_DEVICE, req); 243788eea45cSKlaus Jensen if (status) { 243888eea45cSKlaus Jensen req->status = status; 243988eea45cSKlaus Jensen goto out; 244088eea45cSKlaus Jensen } 244188eea45cSKlaus Jensen 244288eea45cSKlaus Jensen if (memcmp(buf, ctx->data.bounce, ctx->data.iov.size)) { 2443ca2a0918SKlaus Jensen req->status = NVME_CMP_FAILURE | NVME_DNR; 244488eea45cSKlaus Jensen goto out; 244588eea45cSKlaus Jensen } 244688eea45cSKlaus Jensen 244788eea45cSKlaus Jensen if (ns->lbaf.ms) { 244888eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 244988eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 245088eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 245188eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 245288eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 245388eea45cSKlaus Jensen 245488eea45cSKlaus Jensen ctx->mdata.bounce = g_malloc(mlen); 245588eea45cSKlaus Jensen 245688eea45cSKlaus Jensen qemu_iovec_init(&ctx->mdata.iov, 1); 245788eea45cSKlaus Jensen qemu_iovec_add(&ctx->mdata.iov, ctx->mdata.bounce, mlen); 245888eea45cSKlaus Jensen 245988eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->mdata.iov, 0, 246088eea45cSKlaus Jensen nvme_compare_mdata_cb, req); 246188eea45cSKlaus Jensen return; 246288eea45cSKlaus Jensen } 246388eea45cSKlaus Jensen 246488eea45cSKlaus Jensen block_acct_done(stats, acct); 246588eea45cSKlaus Jensen 246688eea45cSKlaus Jensen out: 246788eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 246888eea45cSKlaus Jensen g_free(ctx->data.bounce); 246988eea45cSKlaus Jensen g_free(ctx); 247088eea45cSKlaus Jensen 247188eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 247288eea45cSKlaus Jensen } 247388eea45cSKlaus Jensen 2474d7d1474fSKlaus Jensen typedef struct NvmeDSMAIOCB { 2475d7d1474fSKlaus Jensen BlockAIOCB common; 2476d7d1474fSKlaus Jensen BlockAIOCB *aiocb; 2477d7d1474fSKlaus Jensen NvmeRequest *req; 2478d7d1474fSKlaus Jensen int ret; 2479d7d1474fSKlaus Jensen 2480d7d1474fSKlaus Jensen NvmeDsmRange *range; 2481d7d1474fSKlaus Jensen unsigned int nr; 2482d7d1474fSKlaus Jensen unsigned int idx; 2483d7d1474fSKlaus Jensen } NvmeDSMAIOCB; 2484d7d1474fSKlaus Jensen 2485d7d1474fSKlaus Jensen static void nvme_dsm_cancel(BlockAIOCB *aiocb) 2486d7d1474fSKlaus Jensen { 2487d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = container_of(aiocb, NvmeDSMAIOCB, common); 2488d7d1474fSKlaus Jensen 2489d7d1474fSKlaus Jensen /* break nvme_dsm_cb loop */ 2490d7d1474fSKlaus Jensen iocb->idx = iocb->nr; 2491d7d1474fSKlaus Jensen iocb->ret = -ECANCELED; 2492d7d1474fSKlaus Jensen 2493d7d1474fSKlaus Jensen if (iocb->aiocb) { 2494d7d1474fSKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 2495d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2496d7d1474fSKlaus Jensen } else { 2497d7d1474fSKlaus Jensen /* 2498d7d1474fSKlaus Jensen * We only reach this if nvme_dsm_cancel() has already been called or 2499818b9b8fSKlaus Jensen * the command ran to completion. 2500d7d1474fSKlaus Jensen */ 2501d7d1474fSKlaus Jensen assert(iocb->idx == iocb->nr); 2502d7d1474fSKlaus Jensen } 2503d7d1474fSKlaus Jensen } 2504d7d1474fSKlaus Jensen 2505d7d1474fSKlaus Jensen static const AIOCBInfo nvme_dsm_aiocb_info = { 2506d7d1474fSKlaus Jensen .aiocb_size = sizeof(NvmeDSMAIOCB), 2507d7d1474fSKlaus Jensen .cancel_async = nvme_dsm_cancel, 2508d7d1474fSKlaus Jensen }; 2509d7d1474fSKlaus Jensen 2510d7d1474fSKlaus Jensen static void nvme_dsm_cb(void *opaque, int ret); 2511d7d1474fSKlaus Jensen 2512d7d1474fSKlaus Jensen static void nvme_dsm_md_cb(void *opaque, int ret) 2513d7d1474fSKlaus Jensen { 2514d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2515d7d1474fSKlaus Jensen NvmeRequest *req = iocb->req; 2516d7d1474fSKlaus Jensen NvmeNamespace *ns = req->ns; 2517d7d1474fSKlaus Jensen NvmeDsmRange *range; 2518d7d1474fSKlaus Jensen uint64_t slba; 2519d7d1474fSKlaus Jensen uint32_t nlb; 2520d7d1474fSKlaus Jensen 2521818b9b8fSKlaus Jensen if (ret < 0 || iocb->ret < 0 || !ns->lbaf.ms) { 2522d7d1474fSKlaus Jensen goto done; 2523d7d1474fSKlaus Jensen } 2524d7d1474fSKlaus Jensen 2525d7d1474fSKlaus Jensen range = &iocb->range[iocb->idx - 1]; 2526d7d1474fSKlaus Jensen slba = le64_to_cpu(range->slba); 2527d7d1474fSKlaus Jensen nlb = le32_to_cpu(range->nlb); 2528d7d1474fSKlaus Jensen 2529d7d1474fSKlaus Jensen /* 2530d7d1474fSKlaus Jensen * Check that all block were discarded (zeroed); otherwise we do not zero 2531d7d1474fSKlaus Jensen * the metadata. 2532d7d1474fSKlaus Jensen */ 2533d7d1474fSKlaus Jensen 2534d7d1474fSKlaus Jensen ret = nvme_block_status_all(ns, slba, nlb, BDRV_BLOCK_ZERO); 2535d7d1474fSKlaus Jensen if (ret) { 2536d7d1474fSKlaus Jensen if (ret < 0) { 2537d7d1474fSKlaus Jensen goto done; 2538d7d1474fSKlaus Jensen } 2539d7d1474fSKlaus Jensen 2540d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 254151c45326SDmitry Tikhov return; 2542d7d1474fSKlaus Jensen } 2543d7d1474fSKlaus Jensen 2544d7d1474fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, nvme_moff(ns, slba), 2545d7d1474fSKlaus Jensen nvme_m2b(ns, nlb), BDRV_REQ_MAY_UNMAP, 2546d7d1474fSKlaus Jensen nvme_dsm_cb, iocb); 2547d7d1474fSKlaus Jensen return; 2548d7d1474fSKlaus Jensen 2549d7d1474fSKlaus Jensen done: 2550818b9b8fSKlaus Jensen nvme_dsm_cb(iocb, ret); 2551d7d1474fSKlaus Jensen } 2552d7d1474fSKlaus Jensen 2553d7d1474fSKlaus Jensen static void nvme_dsm_cb(void *opaque, int ret) 2554d7d1474fSKlaus Jensen { 2555d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2556d7d1474fSKlaus Jensen NvmeRequest *req = iocb->req; 2557d7d1474fSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 2558d7d1474fSKlaus Jensen NvmeNamespace *ns = req->ns; 2559d7d1474fSKlaus Jensen NvmeDsmRange *range; 2560d7d1474fSKlaus Jensen uint64_t slba; 2561d7d1474fSKlaus Jensen uint32_t nlb; 2562d7d1474fSKlaus Jensen 2563818b9b8fSKlaus Jensen if (iocb->ret < 0) { 2564818b9b8fSKlaus Jensen goto done; 2565818b9b8fSKlaus Jensen } else if (ret < 0) { 2566d7d1474fSKlaus Jensen iocb->ret = ret; 2567d7d1474fSKlaus Jensen goto done; 2568d7d1474fSKlaus Jensen } 2569d7d1474fSKlaus Jensen 2570d7d1474fSKlaus Jensen next: 2571d7d1474fSKlaus Jensen if (iocb->idx == iocb->nr) { 2572d7d1474fSKlaus Jensen goto done; 2573d7d1474fSKlaus Jensen } 2574d7d1474fSKlaus Jensen 2575d7d1474fSKlaus Jensen range = &iocb->range[iocb->idx++]; 2576d7d1474fSKlaus Jensen slba = le64_to_cpu(range->slba); 2577d7d1474fSKlaus Jensen nlb = le32_to_cpu(range->nlb); 2578d7d1474fSKlaus Jensen 2579d7d1474fSKlaus Jensen trace_pci_nvme_dsm_deallocate(slba, nlb); 2580d7d1474fSKlaus Jensen 2581d7d1474fSKlaus Jensen if (nlb > n->dmrsl) { 2582d7d1474fSKlaus Jensen trace_pci_nvme_dsm_single_range_limit_exceeded(nlb, n->dmrsl); 2583d7d1474fSKlaus Jensen goto next; 2584d7d1474fSKlaus Jensen } 2585d7d1474fSKlaus Jensen 2586d7d1474fSKlaus Jensen if (nvme_check_bounds(ns, slba, nlb)) { 2587d7d1474fSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(slba, nlb, 2588d7d1474fSKlaus Jensen ns->id_ns.nsze); 2589d7d1474fSKlaus Jensen goto next; 2590d7d1474fSKlaus Jensen } 2591d7d1474fSKlaus Jensen 2592d7d1474fSKlaus Jensen iocb->aiocb = blk_aio_pdiscard(ns->blkconf.blk, nvme_l2b(ns, slba), 2593d7d1474fSKlaus Jensen nvme_l2b(ns, nlb), 2594d7d1474fSKlaus Jensen nvme_dsm_md_cb, iocb); 2595d7d1474fSKlaus Jensen return; 2596d7d1474fSKlaus Jensen 2597d7d1474fSKlaus Jensen done: 2598d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2599818b9b8fSKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 2600818b9b8fSKlaus Jensen qemu_aio_unref(iocb); 2601d7d1474fSKlaus Jensen } 2602d7d1474fSKlaus Jensen 260388eea45cSKlaus Jensen static uint16_t nvme_dsm(NvmeCtrl *n, NvmeRequest *req) 260488eea45cSKlaus Jensen { 260588eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 260688eea45cSKlaus Jensen NvmeDsmCmd *dsm = (NvmeDsmCmd *) &req->cmd; 260788eea45cSKlaus Jensen uint32_t attr = le32_to_cpu(dsm->attributes); 260888eea45cSKlaus Jensen uint32_t nr = (le32_to_cpu(dsm->nr) & 0xff) + 1; 260988eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 261088eea45cSKlaus Jensen 2611d7d1474fSKlaus Jensen trace_pci_nvme_dsm(nr, attr); 261288eea45cSKlaus Jensen 261388eea45cSKlaus Jensen if (attr & NVME_DSMGMT_AD) { 2614d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = blk_aio_get(&nvme_dsm_aiocb_info, ns->blkconf.blk, 2615d7d1474fSKlaus Jensen nvme_misc_cb, req); 261688eea45cSKlaus Jensen 2617d7d1474fSKlaus Jensen iocb->req = req; 2618d7d1474fSKlaus Jensen iocb->ret = 0; 2619d7d1474fSKlaus Jensen iocb->range = g_new(NvmeDsmRange, nr); 2620d7d1474fSKlaus Jensen iocb->nr = nr; 2621d7d1474fSKlaus Jensen iocb->idx = 0; 2622d7d1474fSKlaus Jensen 2623d7d1474fSKlaus Jensen status = nvme_h2c(n, (uint8_t *)iocb->range, sizeof(NvmeDsmRange) * nr, 2624d7d1474fSKlaus Jensen req); 262588eea45cSKlaus Jensen if (status) { 26264b32319cSKlaus Jensen g_free(iocb->range); 26274b32319cSKlaus Jensen qemu_aio_unref(iocb); 26284b32319cSKlaus Jensen 262988eea45cSKlaus Jensen return status; 263088eea45cSKlaus Jensen } 263188eea45cSKlaus Jensen 2632d7d1474fSKlaus Jensen req->aiocb = &iocb->common; 2633d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 263488eea45cSKlaus Jensen 2635d7d1474fSKlaus Jensen return NVME_NO_COMPLETE; 263688eea45cSKlaus Jensen } 263788eea45cSKlaus Jensen 263888eea45cSKlaus Jensen return status; 263988eea45cSKlaus Jensen } 264088eea45cSKlaus Jensen 264188eea45cSKlaus Jensen static uint16_t nvme_verify(NvmeCtrl *n, NvmeRequest *req) 264288eea45cSKlaus Jensen { 264388eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 264488eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 264588eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 264688eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 264788eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 264888eea45cSKlaus Jensen size_t len = nvme_l2b(ns, nlb); 264988eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 26502a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 265188eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 265288eea45cSKlaus Jensen NvmeBounceContext *ctx = NULL; 265388eea45cSKlaus Jensen uint16_t status; 265488eea45cSKlaus Jensen 265588eea45cSKlaus Jensen trace_pci_nvme_verify(nvme_cid(req), nvme_nsid(ns), slba, nlb); 265688eea45cSKlaus Jensen 265788eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 26582a132309SKlaus Jensen status = nvme_check_prinfo(ns, prinfo, slba, reftag); 265988eea45cSKlaus Jensen if (status) { 266088eea45cSKlaus Jensen return status; 266188eea45cSKlaus Jensen } 266288eea45cSKlaus Jensen 26632a132309SKlaus Jensen if (prinfo & NVME_PRINFO_PRACT) { 266488eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 266588eea45cSKlaus Jensen } 266688eea45cSKlaus Jensen } 266788eea45cSKlaus Jensen 266888eea45cSKlaus Jensen if (len > n->page_size << n->params.vsl) { 266988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 267088eea45cSKlaus Jensen } 267188eea45cSKlaus Jensen 267288eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 267388eea45cSKlaus Jensen if (status) { 267488eea45cSKlaus Jensen return status; 267588eea45cSKlaus Jensen } 267688eea45cSKlaus Jensen 267788eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 267888eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 267988eea45cSKlaus Jensen if (status) { 268088eea45cSKlaus Jensen return status; 268188eea45cSKlaus Jensen } 268288eea45cSKlaus Jensen } 268388eea45cSKlaus Jensen 268488eea45cSKlaus Jensen ctx = g_new0(NvmeBounceContext, 1); 268588eea45cSKlaus Jensen ctx->req = req; 268688eea45cSKlaus Jensen 268788eea45cSKlaus Jensen ctx->data.bounce = g_malloc(len); 268888eea45cSKlaus Jensen 268988eea45cSKlaus Jensen qemu_iovec_init(&ctx->data.iov, 1); 269088eea45cSKlaus Jensen qemu_iovec_add(&ctx->data.iov, ctx->data.bounce, len); 269188eea45cSKlaus Jensen 269288eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, ctx->data.iov.size, 269388eea45cSKlaus Jensen BLOCK_ACCT_READ); 269488eea45cSKlaus Jensen 269588eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(ns->blkconf.blk, offset, &ctx->data.iov, 0, 269688eea45cSKlaus Jensen nvme_verify_mdata_in_cb, ctx); 269788eea45cSKlaus Jensen return NVME_NO_COMPLETE; 269888eea45cSKlaus Jensen } 269988eea45cSKlaus Jensen 2700796d2068SKlaus Jensen typedef struct NvmeCopyAIOCB { 2701796d2068SKlaus Jensen BlockAIOCB common; 2702796d2068SKlaus Jensen BlockAIOCB *aiocb; 2703796d2068SKlaus Jensen NvmeRequest *req; 2704796d2068SKlaus Jensen int ret; 2705796d2068SKlaus Jensen 270644219b60SNaveen Nagar void *ranges; 270744219b60SNaveen Nagar unsigned int format; 2708796d2068SKlaus Jensen int nr; 2709796d2068SKlaus Jensen int idx; 2710796d2068SKlaus Jensen 2711796d2068SKlaus Jensen uint8_t *bounce; 2712796d2068SKlaus Jensen QEMUIOVector iov; 2713796d2068SKlaus Jensen struct { 2714796d2068SKlaus Jensen BlockAcctCookie read; 2715796d2068SKlaus Jensen BlockAcctCookie write; 2716796d2068SKlaus Jensen } acct; 2717796d2068SKlaus Jensen 271844219b60SNaveen Nagar uint64_t reftag; 2719796d2068SKlaus Jensen uint64_t slba; 2720796d2068SKlaus Jensen 2721796d2068SKlaus Jensen NvmeZone *zone; 2722796d2068SKlaus Jensen } NvmeCopyAIOCB; 2723796d2068SKlaus Jensen 2724796d2068SKlaus Jensen static void nvme_copy_cancel(BlockAIOCB *aiocb) 272588eea45cSKlaus Jensen { 2726796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = container_of(aiocb, NvmeCopyAIOCB, common); 2727796d2068SKlaus Jensen 2728796d2068SKlaus Jensen iocb->ret = -ECANCELED; 2729796d2068SKlaus Jensen 2730796d2068SKlaus Jensen if (iocb->aiocb) { 2731796d2068SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 2732796d2068SKlaus Jensen iocb->aiocb = NULL; 2733796d2068SKlaus Jensen } 2734796d2068SKlaus Jensen } 2735796d2068SKlaus Jensen 2736796d2068SKlaus Jensen static const AIOCBInfo nvme_copy_aiocb_info = { 2737796d2068SKlaus Jensen .aiocb_size = sizeof(NvmeCopyAIOCB), 2738796d2068SKlaus Jensen .cancel_async = nvme_copy_cancel, 2739796d2068SKlaus Jensen }; 2740796d2068SKlaus Jensen 274183f56ac3SKlaus Jensen static void nvme_copy_done(NvmeCopyAIOCB *iocb) 2742796d2068SKlaus Jensen { 2743796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 274488eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 2745796d2068SKlaus Jensen BlockAcctStats *stats = blk_get_stats(ns->blkconf.blk); 2746796d2068SKlaus Jensen 2747796d2068SKlaus Jensen if (iocb->idx != iocb->nr) { 2748796d2068SKlaus Jensen req->cqe.result = cpu_to_le32(iocb->idx); 2749796d2068SKlaus Jensen } 2750796d2068SKlaus Jensen 2751796d2068SKlaus Jensen qemu_iovec_destroy(&iocb->iov); 2752796d2068SKlaus Jensen g_free(iocb->bounce); 2753796d2068SKlaus Jensen 2754796d2068SKlaus Jensen if (iocb->ret < 0) { 2755796d2068SKlaus Jensen block_acct_failed(stats, &iocb->acct.read); 2756796d2068SKlaus Jensen block_acct_failed(stats, &iocb->acct.write); 2757796d2068SKlaus Jensen } else { 2758796d2068SKlaus Jensen block_acct_done(stats, &iocb->acct.read); 2759796d2068SKlaus Jensen block_acct_done(stats, &iocb->acct.write); 2760796d2068SKlaus Jensen } 2761796d2068SKlaus Jensen 2762796d2068SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 2763796d2068SKlaus Jensen qemu_aio_unref(iocb); 2764796d2068SKlaus Jensen } 2765796d2068SKlaus Jensen 276683f56ac3SKlaus Jensen static void nvme_do_copy(NvmeCopyAIOCB *iocb); 2767796d2068SKlaus Jensen 276844219b60SNaveen Nagar static void nvme_copy_source_range_parse_format0(void *ranges, int idx, 276944219b60SNaveen Nagar uint64_t *slba, uint32_t *nlb, 277044219b60SNaveen Nagar uint16_t *apptag, 277144219b60SNaveen Nagar uint16_t *appmask, 277244219b60SNaveen Nagar uint64_t *reftag) 277344219b60SNaveen Nagar { 277444219b60SNaveen Nagar NvmeCopySourceRangeFormat0 *_ranges = ranges; 277544219b60SNaveen Nagar 277644219b60SNaveen Nagar if (slba) { 277744219b60SNaveen Nagar *slba = le64_to_cpu(_ranges[idx].slba); 277844219b60SNaveen Nagar } 277944219b60SNaveen Nagar 278044219b60SNaveen Nagar if (nlb) { 278144219b60SNaveen Nagar *nlb = le16_to_cpu(_ranges[idx].nlb) + 1; 278244219b60SNaveen Nagar } 278344219b60SNaveen Nagar 278444219b60SNaveen Nagar if (apptag) { 278544219b60SNaveen Nagar *apptag = le16_to_cpu(_ranges[idx].apptag); 278644219b60SNaveen Nagar } 278744219b60SNaveen Nagar 278844219b60SNaveen Nagar if (appmask) { 278944219b60SNaveen Nagar *appmask = le16_to_cpu(_ranges[idx].appmask); 279044219b60SNaveen Nagar } 279144219b60SNaveen Nagar 279244219b60SNaveen Nagar if (reftag) { 279344219b60SNaveen Nagar *reftag = le32_to_cpu(_ranges[idx].reftag); 279444219b60SNaveen Nagar } 279544219b60SNaveen Nagar } 279644219b60SNaveen Nagar 279744219b60SNaveen Nagar static void nvme_copy_source_range_parse_format1(void *ranges, int idx, 279844219b60SNaveen Nagar uint64_t *slba, uint32_t *nlb, 279944219b60SNaveen Nagar uint16_t *apptag, 280044219b60SNaveen Nagar uint16_t *appmask, 280144219b60SNaveen Nagar uint64_t *reftag) 280244219b60SNaveen Nagar { 280344219b60SNaveen Nagar NvmeCopySourceRangeFormat1 *_ranges = ranges; 280444219b60SNaveen Nagar 280544219b60SNaveen Nagar if (slba) { 280644219b60SNaveen Nagar *slba = le64_to_cpu(_ranges[idx].slba); 280744219b60SNaveen Nagar } 280844219b60SNaveen Nagar 280944219b60SNaveen Nagar if (nlb) { 281044219b60SNaveen Nagar *nlb = le16_to_cpu(_ranges[idx].nlb) + 1; 281144219b60SNaveen Nagar } 281244219b60SNaveen Nagar 281344219b60SNaveen Nagar if (apptag) { 281444219b60SNaveen Nagar *apptag = le16_to_cpu(_ranges[idx].apptag); 281544219b60SNaveen Nagar } 281644219b60SNaveen Nagar 281744219b60SNaveen Nagar if (appmask) { 281844219b60SNaveen Nagar *appmask = le16_to_cpu(_ranges[idx].appmask); 281944219b60SNaveen Nagar } 282044219b60SNaveen Nagar 282144219b60SNaveen Nagar if (reftag) { 282244219b60SNaveen Nagar *reftag = 0; 282344219b60SNaveen Nagar 282444219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[4] << 40; 282544219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[5] << 32; 282644219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[6] << 24; 282744219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[7] << 16; 282844219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[8] << 8; 282944219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[9]; 283044219b60SNaveen Nagar } 283144219b60SNaveen Nagar } 283244219b60SNaveen Nagar 283344219b60SNaveen Nagar static void nvme_copy_source_range_parse(void *ranges, int idx, uint8_t format, 283444219b60SNaveen Nagar uint64_t *slba, uint32_t *nlb, 283544219b60SNaveen Nagar uint16_t *apptag, uint16_t *appmask, 283644219b60SNaveen Nagar uint64_t *reftag) 283744219b60SNaveen Nagar { 283844219b60SNaveen Nagar switch (format) { 283944219b60SNaveen Nagar case NVME_COPY_FORMAT_0: 284044219b60SNaveen Nagar nvme_copy_source_range_parse_format0(ranges, idx, slba, nlb, apptag, 284144219b60SNaveen Nagar appmask, reftag); 284244219b60SNaveen Nagar break; 284344219b60SNaveen Nagar 284444219b60SNaveen Nagar case NVME_COPY_FORMAT_1: 284544219b60SNaveen Nagar nvme_copy_source_range_parse_format1(ranges, idx, slba, nlb, apptag, 284644219b60SNaveen Nagar appmask, reftag); 284744219b60SNaveen Nagar break; 284844219b60SNaveen Nagar 284944219b60SNaveen Nagar default: 285044219b60SNaveen Nagar abort(); 285144219b60SNaveen Nagar } 285244219b60SNaveen Nagar } 285344219b60SNaveen Nagar 2854381ab99dSMinwoo Im static inline uint16_t nvme_check_copy_mcl(NvmeNamespace *ns, 2855381ab99dSMinwoo Im NvmeCopyAIOCB *iocb, uint16_t nr) 2856381ab99dSMinwoo Im { 2857381ab99dSMinwoo Im uint32_t copy_len = 0; 2858381ab99dSMinwoo Im 2859381ab99dSMinwoo Im for (int idx = 0; idx < nr; idx++) { 2860381ab99dSMinwoo Im uint32_t nlb; 2861381ab99dSMinwoo Im nvme_copy_source_range_parse(iocb->ranges, idx, iocb->format, NULL, 2862381ab99dSMinwoo Im &nlb, NULL, NULL, NULL); 2863381ab99dSMinwoo Im copy_len += nlb + 1; 2864381ab99dSMinwoo Im } 2865381ab99dSMinwoo Im 2866381ab99dSMinwoo Im if (copy_len > ns->id_ns.mcl) { 2867381ab99dSMinwoo Im return NVME_CMD_SIZE_LIMIT | NVME_DNR; 2868381ab99dSMinwoo Im } 2869381ab99dSMinwoo Im 2870381ab99dSMinwoo Im return NVME_SUCCESS; 2871381ab99dSMinwoo Im } 2872381ab99dSMinwoo Im 2873796d2068SKlaus Jensen static void nvme_copy_out_completed_cb(void *opaque, int ret) 2874796d2068SKlaus Jensen { 2875796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2876796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2877796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 287844219b60SNaveen Nagar uint32_t nlb; 287944219b60SNaveen Nagar 288044219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, NULL, 288144219b60SNaveen Nagar &nlb, NULL, NULL, NULL); 2882796d2068SKlaus Jensen 2883796d2068SKlaus Jensen if (ret < 0) { 2884796d2068SKlaus Jensen iocb->ret = ret; 2885796d2068SKlaus Jensen goto out; 2886796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2887796d2068SKlaus Jensen goto out; 2888796d2068SKlaus Jensen } 2889796d2068SKlaus Jensen 2890796d2068SKlaus Jensen if (ns->params.zoned) { 2891796d2068SKlaus Jensen nvme_advance_zone_wp(ns, iocb->zone, nlb); 2892796d2068SKlaus Jensen } 2893796d2068SKlaus Jensen 2894796d2068SKlaus Jensen iocb->idx++; 2895796d2068SKlaus Jensen iocb->slba += nlb; 2896796d2068SKlaus Jensen out: 289783f56ac3SKlaus Jensen nvme_do_copy(iocb); 2898796d2068SKlaus Jensen } 2899796d2068SKlaus Jensen 2900796d2068SKlaus Jensen static void nvme_copy_out_cb(void *opaque, int ret) 2901796d2068SKlaus Jensen { 2902796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2903796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2904796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2905796d2068SKlaus Jensen uint32_t nlb; 2906796d2068SKlaus Jensen size_t mlen; 2907796d2068SKlaus Jensen uint8_t *mbounce; 2908796d2068SKlaus Jensen 290983f56ac3SKlaus Jensen if (ret < 0 || iocb->ret < 0 || !ns->lbaf.ms) { 2910796d2068SKlaus Jensen goto out; 2911796d2068SKlaus Jensen } 2912796d2068SKlaus Jensen 291344219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, NULL, 291444219b60SNaveen Nagar &nlb, NULL, NULL, NULL); 2915796d2068SKlaus Jensen 2916796d2068SKlaus Jensen mlen = nvme_m2b(ns, nlb); 2917796d2068SKlaus Jensen mbounce = iocb->bounce + nvme_l2b(ns, nlb); 2918796d2068SKlaus Jensen 2919796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2920796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, mbounce, mlen); 2921796d2068SKlaus Jensen 2922796d2068SKlaus Jensen iocb->aiocb = blk_aio_pwritev(ns->blkconf.blk, nvme_moff(ns, iocb->slba), 2923796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_out_completed_cb, 2924796d2068SKlaus Jensen iocb); 2925796d2068SKlaus Jensen 2926796d2068SKlaus Jensen return; 2927796d2068SKlaus Jensen 2928796d2068SKlaus Jensen out: 292983f56ac3SKlaus Jensen nvme_copy_out_completed_cb(iocb, ret); 2930796d2068SKlaus Jensen } 2931796d2068SKlaus Jensen 2932796d2068SKlaus Jensen static void nvme_copy_in_completed_cb(void *opaque, int ret) 2933796d2068SKlaus Jensen { 2934796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2935796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2936796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2937796d2068SKlaus Jensen uint32_t nlb; 293844219b60SNaveen Nagar uint64_t slba; 293944219b60SNaveen Nagar uint16_t apptag, appmask; 294044219b60SNaveen Nagar uint64_t reftag; 2941796d2068SKlaus Jensen size_t len; 2942796d2068SKlaus Jensen uint16_t status; 2943796d2068SKlaus Jensen 2944796d2068SKlaus Jensen if (ret < 0) { 2945796d2068SKlaus Jensen iocb->ret = ret; 2946796d2068SKlaus Jensen goto out; 2947796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2948796d2068SKlaus Jensen goto out; 2949796d2068SKlaus Jensen } 2950796d2068SKlaus Jensen 295144219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, &slba, 295244219b60SNaveen Nagar &nlb, &apptag, &appmask, &reftag); 2953796d2068SKlaus Jensen len = nvme_l2b(ns, nlb); 2954796d2068SKlaus Jensen 2955796d2068SKlaus Jensen trace_pci_nvme_copy_out(iocb->slba, nlb); 2956796d2068SKlaus Jensen 2957796d2068SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 295888eea45cSKlaus Jensen NvmeCopyCmd *copy = (NvmeCopyCmd *)&req->cmd; 295988eea45cSKlaus Jensen 2960796d2068SKlaus Jensen uint16_t prinfor = ((copy->control[0] >> 4) & 0xf); 2961796d2068SKlaus Jensen uint16_t prinfow = ((copy->control[2] >> 2) & 0xf); 296288eea45cSKlaus Jensen 2963796d2068SKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 2964796d2068SKlaus Jensen uint8_t *mbounce = iocb->bounce + nvme_l2b(ns, nlb); 2965796d2068SKlaus Jensen 29662e8f952aSDmitry Tikhov status = nvme_dif_mangle_mdata(ns, mbounce, mlen, slba); 29672e8f952aSDmitry Tikhov if (status) { 29682e8f952aSDmitry Tikhov goto invalid; 29692e8f952aSDmitry Tikhov } 2970796d2068SKlaus Jensen status = nvme_dif_check(ns, iocb->bounce, len, mbounce, mlen, prinfor, 2971796d2068SKlaus Jensen slba, apptag, appmask, &reftag); 2972796d2068SKlaus Jensen if (status) { 2973796d2068SKlaus Jensen goto invalid; 2974796d2068SKlaus Jensen } 2975796d2068SKlaus Jensen 2976796d2068SKlaus Jensen apptag = le16_to_cpu(copy->apptag); 2977796d2068SKlaus Jensen appmask = le16_to_cpu(copy->appmask); 2978796d2068SKlaus Jensen 2979796d2068SKlaus Jensen if (prinfow & NVME_PRINFO_PRACT) { 2980796d2068SKlaus Jensen status = nvme_check_prinfo(ns, prinfow, iocb->slba, iocb->reftag); 2981796d2068SKlaus Jensen if (status) { 2982796d2068SKlaus Jensen goto invalid; 2983796d2068SKlaus Jensen } 2984796d2068SKlaus Jensen 2985796d2068SKlaus Jensen nvme_dif_pract_generate_dif(ns, iocb->bounce, len, mbounce, mlen, 2986796d2068SKlaus Jensen apptag, &iocb->reftag); 2987796d2068SKlaus Jensen } else { 2988796d2068SKlaus Jensen status = nvme_dif_check(ns, iocb->bounce, len, mbounce, mlen, 2989796d2068SKlaus Jensen prinfow, iocb->slba, apptag, appmask, 2990796d2068SKlaus Jensen &iocb->reftag); 2991796d2068SKlaus Jensen if (status) { 2992796d2068SKlaus Jensen goto invalid; 2993796d2068SKlaus Jensen } 2994796d2068SKlaus Jensen } 2995796d2068SKlaus Jensen } 2996796d2068SKlaus Jensen 2997796d2068SKlaus Jensen status = nvme_check_bounds(ns, iocb->slba, nlb); 2998796d2068SKlaus Jensen if (status) { 2999796d2068SKlaus Jensen goto invalid; 3000796d2068SKlaus Jensen } 3001796d2068SKlaus Jensen 3002796d2068SKlaus Jensen if (ns->params.zoned) { 3003796d2068SKlaus Jensen status = nvme_check_zone_write(ns, iocb->zone, iocb->slba, nlb); 3004796d2068SKlaus Jensen if (status) { 3005796d2068SKlaus Jensen goto invalid; 3006796d2068SKlaus Jensen } 3007796d2068SKlaus Jensen 3008e321b4cdSKlaus Jensen if (!(iocb->zone->d.za & NVME_ZA_ZRWA_VALID)) { 3009796d2068SKlaus Jensen iocb->zone->w_ptr += nlb; 3010796d2068SKlaus Jensen } 3011e321b4cdSKlaus Jensen } 3012796d2068SKlaus Jensen 3013796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 3014796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce, len); 3015796d2068SKlaus Jensen 3016796d2068SKlaus Jensen iocb->aiocb = blk_aio_pwritev(ns->blkconf.blk, nvme_l2b(ns, iocb->slba), 3017796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_out_cb, iocb); 3018796d2068SKlaus Jensen 3019796d2068SKlaus Jensen return; 3020796d2068SKlaus Jensen 3021796d2068SKlaus Jensen invalid: 3022796d2068SKlaus Jensen req->status = status; 302383f56ac3SKlaus Jensen iocb->ret = -1; 3024796d2068SKlaus Jensen out: 302583f56ac3SKlaus Jensen nvme_do_copy(iocb); 3026796d2068SKlaus Jensen } 3027796d2068SKlaus Jensen 3028796d2068SKlaus Jensen static void nvme_copy_in_cb(void *opaque, int ret) 3029796d2068SKlaus Jensen { 3030796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 3031796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 3032796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 3033796d2068SKlaus Jensen uint64_t slba; 3034796d2068SKlaus Jensen uint32_t nlb; 3035796d2068SKlaus Jensen 303683f56ac3SKlaus Jensen if (ret < 0 || iocb->ret < 0 || !ns->lbaf.ms) { 3037796d2068SKlaus Jensen goto out; 3038796d2068SKlaus Jensen } 3039796d2068SKlaus Jensen 304044219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, &slba, 304144219b60SNaveen Nagar &nlb, NULL, NULL, NULL); 3042796d2068SKlaus Jensen 3043796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 3044796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce + nvme_l2b(ns, nlb), 3045796d2068SKlaus Jensen nvme_m2b(ns, nlb)); 3046796d2068SKlaus Jensen 3047796d2068SKlaus Jensen iocb->aiocb = blk_aio_preadv(ns->blkconf.blk, nvme_moff(ns, slba), 3048796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_in_completed_cb, 3049796d2068SKlaus Jensen iocb); 3050796d2068SKlaus Jensen return; 3051796d2068SKlaus Jensen 3052796d2068SKlaus Jensen out: 305383f56ac3SKlaus Jensen nvme_copy_in_completed_cb(iocb, ret); 3054796d2068SKlaus Jensen } 3055796d2068SKlaus Jensen 305683f56ac3SKlaus Jensen static void nvme_do_copy(NvmeCopyAIOCB *iocb) 3057796d2068SKlaus Jensen { 3058796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 3059796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 3060796d2068SKlaus Jensen uint64_t slba; 3061796d2068SKlaus Jensen uint32_t nlb; 3062796d2068SKlaus Jensen size_t len; 306388eea45cSKlaus Jensen uint16_t status; 306488eea45cSKlaus Jensen 306583f56ac3SKlaus Jensen if (iocb->ret < 0) { 3066796d2068SKlaus Jensen goto done; 306788eea45cSKlaus Jensen } 306888eea45cSKlaus Jensen 3069796d2068SKlaus Jensen if (iocb->idx == iocb->nr) { 3070796d2068SKlaus Jensen goto done; 307188eea45cSKlaus Jensen } 307288eea45cSKlaus Jensen 307344219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, &slba, 307444219b60SNaveen Nagar &nlb, NULL, NULL, NULL); 3075796d2068SKlaus Jensen len = nvme_l2b(ns, nlb); 307688eea45cSKlaus Jensen 3077796d2068SKlaus Jensen trace_pci_nvme_copy_source_range(slba, nlb); 307888eea45cSKlaus Jensen 3079796d2068SKlaus Jensen if (nlb > le16_to_cpu(ns->id_ns.mssrl)) { 308088eea45cSKlaus Jensen status = NVME_CMD_SIZE_LIMIT | NVME_DNR; 3081796d2068SKlaus Jensen goto invalid; 308288eea45cSKlaus Jensen } 308388eea45cSKlaus Jensen 3084796d2068SKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 308588eea45cSKlaus Jensen if (status) { 3086796d2068SKlaus Jensen goto invalid; 308788eea45cSKlaus Jensen } 308888eea45cSKlaus Jensen 308988eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 3090796d2068SKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 309188eea45cSKlaus Jensen if (status) { 3092796d2068SKlaus Jensen goto invalid; 309388eea45cSKlaus Jensen } 309488eea45cSKlaus Jensen } 309588eea45cSKlaus Jensen 309688eea45cSKlaus Jensen if (ns->params.zoned) { 3097796d2068SKlaus Jensen status = nvme_check_zone_read(ns, slba, nlb); 309888eea45cSKlaus Jensen if (status) { 3099796d2068SKlaus Jensen goto invalid; 310088eea45cSKlaus Jensen } 310188eea45cSKlaus Jensen } 310288eea45cSKlaus Jensen 3103796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 3104796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce, len); 3105796d2068SKlaus Jensen 3106796d2068SKlaus Jensen iocb->aiocb = blk_aio_preadv(ns->blkconf.blk, nvme_l2b(ns, slba), 3107796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_in_cb, iocb); 3108796d2068SKlaus Jensen return; 3109796d2068SKlaus Jensen 3110796d2068SKlaus Jensen invalid: 3111796d2068SKlaus Jensen req->status = status; 311283f56ac3SKlaus Jensen iocb->ret = -1; 3113796d2068SKlaus Jensen done: 311483f56ac3SKlaus Jensen nvme_copy_done(iocb); 3115796d2068SKlaus Jensen } 3116796d2068SKlaus Jensen 3117796d2068SKlaus Jensen static uint16_t nvme_copy(NvmeCtrl *n, NvmeRequest *req) 3118796d2068SKlaus Jensen { 3119796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 3120796d2068SKlaus Jensen NvmeCopyCmd *copy = (NvmeCopyCmd *)&req->cmd; 3121796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = blk_aio_get(&nvme_copy_aiocb_info, ns->blkconf.blk, 3122796d2068SKlaus Jensen nvme_misc_cb, req); 3123796d2068SKlaus Jensen uint16_t nr = copy->nr + 1; 3124796d2068SKlaus Jensen uint8_t format = copy->control[0] & 0xf; 3125796d2068SKlaus Jensen uint16_t prinfor = ((copy->control[0] >> 4) & 0xf); 3126796d2068SKlaus Jensen uint16_t prinfow = ((copy->control[2] >> 2) & 0xf); 312744219b60SNaveen Nagar size_t len = sizeof(NvmeCopySourceRangeFormat0); 3128796d2068SKlaus Jensen 3129796d2068SKlaus Jensen uint16_t status; 3130796d2068SKlaus Jensen 3131796d2068SKlaus Jensen trace_pci_nvme_copy(nvme_cid(req), nvme_nsid(ns), nr, format); 3132796d2068SKlaus Jensen 3133796d2068SKlaus Jensen iocb->ranges = NULL; 3134796d2068SKlaus Jensen iocb->zone = NULL; 3135796d2068SKlaus Jensen 3136796d2068SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) && 3137796d2068SKlaus Jensen ((prinfor & NVME_PRINFO_PRACT) != (prinfow & NVME_PRINFO_PRACT))) { 3138796d2068SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 3139796d2068SKlaus Jensen goto invalid; 3140796d2068SKlaus Jensen } 3141796d2068SKlaus Jensen 3142796d2068SKlaus Jensen if (!(n->id_ctrl.ocfs & (1 << format))) { 3143796d2068SKlaus Jensen trace_pci_nvme_err_copy_invalid_format(format); 3144796d2068SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 3145796d2068SKlaus Jensen goto invalid; 3146796d2068SKlaus Jensen } 3147796d2068SKlaus Jensen 3148796d2068SKlaus Jensen if (nr > ns->id_ns.msrc + 1) { 314988eea45cSKlaus Jensen status = NVME_CMD_SIZE_LIMIT | NVME_DNR; 3150796d2068SKlaus Jensen goto invalid; 315188eea45cSKlaus Jensen } 315288eea45cSKlaus Jensen 3153632cb6cfSFrancis Pravin Antony Michael Raj if ((ns->pif == 0x0 && format != 0x0) || 3154632cb6cfSFrancis Pravin Antony Michael Raj (ns->pif != 0x0 && format != 0x1)) { 315544219b60SNaveen Nagar status = NVME_INVALID_FORMAT | NVME_DNR; 315644219b60SNaveen Nagar goto invalid; 315744219b60SNaveen Nagar } 3158796d2068SKlaus Jensen 315944219b60SNaveen Nagar if (ns->pif) { 316044219b60SNaveen Nagar len = sizeof(NvmeCopySourceRangeFormat1); 316144219b60SNaveen Nagar } 316244219b60SNaveen Nagar 316344219b60SNaveen Nagar iocb->format = format; 316444219b60SNaveen Nagar iocb->ranges = g_malloc_n(nr, len); 316544219b60SNaveen Nagar status = nvme_h2c(n, (uint8_t *)iocb->ranges, len * nr, req); 3166796d2068SKlaus Jensen if (status) { 3167796d2068SKlaus Jensen goto invalid; 316888eea45cSKlaus Jensen } 316988eea45cSKlaus Jensen 3170796d2068SKlaus Jensen iocb->slba = le64_to_cpu(copy->sdlba); 3171796d2068SKlaus Jensen 3172796d2068SKlaus Jensen if (ns->params.zoned) { 3173796d2068SKlaus Jensen iocb->zone = nvme_get_zone_by_slba(ns, iocb->slba); 3174796d2068SKlaus Jensen if (!iocb->zone) { 3175796d2068SKlaus Jensen status = NVME_LBA_RANGE | NVME_DNR; 3176796d2068SKlaus Jensen goto invalid; 3177796d2068SKlaus Jensen } 3178796d2068SKlaus Jensen 3179796d2068SKlaus Jensen status = nvme_zrm_auto(n, ns, iocb->zone); 3180796d2068SKlaus Jensen if (status) { 3181796d2068SKlaus Jensen goto invalid; 3182796d2068SKlaus Jensen } 3183796d2068SKlaus Jensen } 3184796d2068SKlaus Jensen 3185381ab99dSMinwoo Im status = nvme_check_copy_mcl(ns, iocb, nr); 3186381ab99dSMinwoo Im if (status) { 3187381ab99dSMinwoo Im goto invalid; 3188381ab99dSMinwoo Im } 3189381ab99dSMinwoo Im 3190796d2068SKlaus Jensen iocb->req = req; 3191796d2068SKlaus Jensen iocb->ret = 0; 3192796d2068SKlaus Jensen iocb->nr = nr; 3193796d2068SKlaus Jensen iocb->idx = 0; 3194796d2068SKlaus Jensen iocb->reftag = le32_to_cpu(copy->reftag); 319544219b60SNaveen Nagar iocb->reftag |= (uint64_t)le32_to_cpu(copy->cdw3) << 32; 3196796d2068SKlaus Jensen iocb->bounce = g_malloc_n(le16_to_cpu(ns->id_ns.mssrl), 3197796d2068SKlaus Jensen ns->lbasz + ns->lbaf.ms); 3198796d2068SKlaus Jensen 3199796d2068SKlaus Jensen qemu_iovec_init(&iocb->iov, 1); 3200796d2068SKlaus Jensen 3201796d2068SKlaus Jensen block_acct_start(blk_get_stats(ns->blkconf.blk), &iocb->acct.read, 0, 320288eea45cSKlaus Jensen BLOCK_ACCT_READ); 3203796d2068SKlaus Jensen block_acct_start(blk_get_stats(ns->blkconf.blk), &iocb->acct.write, 0, 3204796d2068SKlaus Jensen BLOCK_ACCT_WRITE); 320588eea45cSKlaus Jensen 3206796d2068SKlaus Jensen req->aiocb = &iocb->common; 320783f56ac3SKlaus Jensen nvme_do_copy(iocb); 320888eea45cSKlaus Jensen 320988eea45cSKlaus Jensen return NVME_NO_COMPLETE; 321088eea45cSKlaus Jensen 3211796d2068SKlaus Jensen invalid: 3212796d2068SKlaus Jensen g_free(iocb->ranges); 3213796d2068SKlaus Jensen qemu_aio_unref(iocb); 321488eea45cSKlaus Jensen return status; 321588eea45cSKlaus Jensen } 321688eea45cSKlaus Jensen 321788eea45cSKlaus Jensen static uint16_t nvme_compare(NvmeCtrl *n, NvmeRequest *req) 321888eea45cSKlaus Jensen { 321988eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 322088eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 322188eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 322288eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 322388eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 32242a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 322588eea45cSKlaus Jensen size_t data_len = nvme_l2b(ns, nlb); 322688eea45cSKlaus Jensen size_t len = data_len; 322788eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 322888eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = NULL; 322988eea45cSKlaus Jensen uint16_t status; 323088eea45cSKlaus Jensen 323188eea45cSKlaus Jensen trace_pci_nvme_compare(nvme_cid(req), nvme_nsid(ns), slba, nlb); 323288eea45cSKlaus Jensen 32332a132309SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) && (prinfo & NVME_PRINFO_PRACT)) { 323488eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 323588eea45cSKlaus Jensen } 323688eea45cSKlaus Jensen 323788eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 323888eea45cSKlaus Jensen len += nvme_m2b(ns, nlb); 323988eea45cSKlaus Jensen } 324088eea45cSKlaus Jensen 324188eea45cSKlaus Jensen status = nvme_check_mdts(n, len); 324288eea45cSKlaus Jensen if (status) { 324388eea45cSKlaus Jensen return status; 324488eea45cSKlaus Jensen } 324588eea45cSKlaus Jensen 324688eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 324788eea45cSKlaus Jensen if (status) { 324888eea45cSKlaus Jensen return status; 324988eea45cSKlaus Jensen } 325088eea45cSKlaus Jensen 325188eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 325288eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 325388eea45cSKlaus Jensen if (status) { 325488eea45cSKlaus Jensen return status; 325588eea45cSKlaus Jensen } 325688eea45cSKlaus Jensen } 325788eea45cSKlaus Jensen 325888eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 325988eea45cSKlaus Jensen if (status) { 326088eea45cSKlaus Jensen return status; 326188eea45cSKlaus Jensen } 326288eea45cSKlaus Jensen 326388eea45cSKlaus Jensen ctx = g_new(struct nvme_compare_ctx, 1); 326488eea45cSKlaus Jensen ctx->data.bounce = g_malloc(data_len); 326588eea45cSKlaus Jensen 326688eea45cSKlaus Jensen req->opaque = ctx; 326788eea45cSKlaus Jensen 326888eea45cSKlaus Jensen qemu_iovec_init(&ctx->data.iov, 1); 326988eea45cSKlaus Jensen qemu_iovec_add(&ctx->data.iov, ctx->data.bounce, data_len); 327088eea45cSKlaus Jensen 327188eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_len, 327288eea45cSKlaus Jensen BLOCK_ACCT_READ); 327388eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->data.iov, 0, 327488eea45cSKlaus Jensen nvme_compare_data_cb, req); 327588eea45cSKlaus Jensen 327688eea45cSKlaus Jensen return NVME_NO_COMPLETE; 327788eea45cSKlaus Jensen } 327888eea45cSKlaus Jensen 327938f4ac65SKlaus Jensen typedef struct NvmeFlushAIOCB { 328038f4ac65SKlaus Jensen BlockAIOCB common; 328138f4ac65SKlaus Jensen BlockAIOCB *aiocb; 328238f4ac65SKlaus Jensen NvmeRequest *req; 328338f4ac65SKlaus Jensen int ret; 328438f4ac65SKlaus Jensen 328538f4ac65SKlaus Jensen NvmeNamespace *ns; 328638f4ac65SKlaus Jensen uint32_t nsid; 328738f4ac65SKlaus Jensen bool broadcast; 328838f4ac65SKlaus Jensen } NvmeFlushAIOCB; 328938f4ac65SKlaus Jensen 329038f4ac65SKlaus Jensen static void nvme_flush_cancel(BlockAIOCB *acb) 329138f4ac65SKlaus Jensen { 329238f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = container_of(acb, NvmeFlushAIOCB, common); 329338f4ac65SKlaus Jensen 329438f4ac65SKlaus Jensen iocb->ret = -ECANCELED; 329538f4ac65SKlaus Jensen 329638f4ac65SKlaus Jensen if (iocb->aiocb) { 329738f4ac65SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 32983dbc1708SKlaus Jensen iocb->aiocb = NULL; 329938f4ac65SKlaus Jensen } 330038f4ac65SKlaus Jensen } 330138f4ac65SKlaus Jensen 330238f4ac65SKlaus Jensen static const AIOCBInfo nvme_flush_aiocb_info = { 330338f4ac65SKlaus Jensen .aiocb_size = sizeof(NvmeFlushAIOCB), 330438f4ac65SKlaus Jensen .cancel_async = nvme_flush_cancel, 330538f4ac65SKlaus Jensen .get_aio_context = nvme_get_aio_context, 330638f4ac65SKlaus Jensen }; 330738f4ac65SKlaus Jensen 33083dbc1708SKlaus Jensen static void nvme_do_flush(NvmeFlushAIOCB *iocb); 33093dbc1708SKlaus Jensen 331038f4ac65SKlaus Jensen static void nvme_flush_ns_cb(void *opaque, int ret) 331138f4ac65SKlaus Jensen { 331238f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = opaque; 331338f4ac65SKlaus Jensen NvmeNamespace *ns = iocb->ns; 331438f4ac65SKlaus Jensen 331538f4ac65SKlaus Jensen if (ret < 0) { 331638f4ac65SKlaus Jensen iocb->ret = ret; 331738f4ac65SKlaus Jensen goto out; 331838f4ac65SKlaus Jensen } else if (iocb->ret < 0) { 331938f4ac65SKlaus Jensen goto out; 332038f4ac65SKlaus Jensen } 332138f4ac65SKlaus Jensen 332238f4ac65SKlaus Jensen if (ns) { 332338f4ac65SKlaus Jensen trace_pci_nvme_flush_ns(iocb->nsid); 332438f4ac65SKlaus Jensen 332538f4ac65SKlaus Jensen iocb->ns = NULL; 332638f4ac65SKlaus Jensen iocb->aiocb = blk_aio_flush(ns->blkconf.blk, nvme_flush_ns_cb, iocb); 332738f4ac65SKlaus Jensen return; 332838f4ac65SKlaus Jensen } 332938f4ac65SKlaus Jensen 333038f4ac65SKlaus Jensen out: 33313dbc1708SKlaus Jensen nvme_do_flush(iocb); 333238f4ac65SKlaus Jensen } 333338f4ac65SKlaus Jensen 33343dbc1708SKlaus Jensen static void nvme_do_flush(NvmeFlushAIOCB *iocb) 333538f4ac65SKlaus Jensen { 333638f4ac65SKlaus Jensen NvmeRequest *req = iocb->req; 333738f4ac65SKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 333838f4ac65SKlaus Jensen int i; 333938f4ac65SKlaus Jensen 334038f4ac65SKlaus Jensen if (iocb->ret < 0) { 334138f4ac65SKlaus Jensen goto done; 334238f4ac65SKlaus Jensen } 334338f4ac65SKlaus Jensen 334438f4ac65SKlaus Jensen if (iocb->broadcast) { 334538f4ac65SKlaus Jensen for (i = iocb->nsid + 1; i <= NVME_MAX_NAMESPACES; i++) { 334638f4ac65SKlaus Jensen iocb->ns = nvme_ns(n, i); 334738f4ac65SKlaus Jensen if (iocb->ns) { 334838f4ac65SKlaus Jensen iocb->nsid = i; 334938f4ac65SKlaus Jensen break; 335038f4ac65SKlaus Jensen } 335138f4ac65SKlaus Jensen } 335238f4ac65SKlaus Jensen } 335338f4ac65SKlaus Jensen 335438f4ac65SKlaus Jensen if (!iocb->ns) { 335538f4ac65SKlaus Jensen goto done; 335638f4ac65SKlaus Jensen } 335738f4ac65SKlaus Jensen 335838f4ac65SKlaus Jensen nvme_flush_ns_cb(iocb, 0); 335938f4ac65SKlaus Jensen return; 336038f4ac65SKlaus Jensen 336138f4ac65SKlaus Jensen done: 336238f4ac65SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 336338f4ac65SKlaus Jensen qemu_aio_unref(iocb); 336438f4ac65SKlaus Jensen } 336538f4ac65SKlaus Jensen 336688eea45cSKlaus Jensen static uint16_t nvme_flush(NvmeCtrl *n, NvmeRequest *req) 336788eea45cSKlaus Jensen { 336838f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb; 336988eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 337088eea45cSKlaus Jensen uint16_t status; 337188eea45cSKlaus Jensen 337238f4ac65SKlaus Jensen iocb = qemu_aio_get(&nvme_flush_aiocb_info, NULL, nvme_misc_cb, req); 337388eea45cSKlaus Jensen 337438f4ac65SKlaus Jensen iocb->req = req; 337538f4ac65SKlaus Jensen iocb->ret = 0; 337638f4ac65SKlaus Jensen iocb->ns = NULL; 337738f4ac65SKlaus Jensen iocb->nsid = 0; 337838f4ac65SKlaus Jensen iocb->broadcast = (nsid == NVME_NSID_BROADCAST); 337938f4ac65SKlaus Jensen 338038f4ac65SKlaus Jensen if (!iocb->broadcast) { 338138f4ac65SKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 338238f4ac65SKlaus Jensen status = NVME_INVALID_NSID | NVME_DNR; 338338f4ac65SKlaus Jensen goto out; 338488eea45cSKlaus Jensen } 338588eea45cSKlaus Jensen 338638f4ac65SKlaus Jensen iocb->ns = nvme_ns(n, nsid); 338738f4ac65SKlaus Jensen if (!iocb->ns) { 338838f4ac65SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 338938f4ac65SKlaus Jensen goto out; 339038f4ac65SKlaus Jensen } 339138f4ac65SKlaus Jensen 339238f4ac65SKlaus Jensen iocb->nsid = nsid; 339338f4ac65SKlaus Jensen } 339438f4ac65SKlaus Jensen 339538f4ac65SKlaus Jensen req->aiocb = &iocb->common; 33963dbc1708SKlaus Jensen nvme_do_flush(iocb); 339738f4ac65SKlaus Jensen 339888eea45cSKlaus Jensen return NVME_NO_COMPLETE; 339988eea45cSKlaus Jensen 340038f4ac65SKlaus Jensen out: 340138f4ac65SKlaus Jensen qemu_aio_unref(iocb); 340288eea45cSKlaus Jensen 340388eea45cSKlaus Jensen return status; 340488eea45cSKlaus Jensen } 340588eea45cSKlaus Jensen 340688eea45cSKlaus Jensen static uint16_t nvme_read(NvmeCtrl *n, NvmeRequest *req) 340788eea45cSKlaus Jensen { 340888eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 340988eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 341088eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 341188eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 34122a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 341388eea45cSKlaus Jensen uint64_t data_size = nvme_l2b(ns, nlb); 341488eea45cSKlaus Jensen uint64_t mapped_size = data_size; 341588eea45cSKlaus Jensen uint64_t data_offset; 341688eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 341788eea45cSKlaus Jensen uint16_t status; 341888eea45cSKlaus Jensen 341988eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 342088eea45cSKlaus Jensen mapped_size += nvme_m2b(ns, nlb); 342188eea45cSKlaus Jensen 342288eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 34232a132309SKlaus Jensen bool pract = prinfo & NVME_PRINFO_PRACT; 342488eea45cSKlaus Jensen 3425ac0b34c5SKlaus Jensen if (pract && ns->lbaf.ms == nvme_pi_tuple_size(ns)) { 342688eea45cSKlaus Jensen mapped_size = data_size; 342788eea45cSKlaus Jensen } 342888eea45cSKlaus Jensen } 342988eea45cSKlaus Jensen } 343088eea45cSKlaus Jensen 343188eea45cSKlaus Jensen trace_pci_nvme_read(nvme_cid(req), nvme_nsid(ns), nlb, mapped_size, slba); 343288eea45cSKlaus Jensen 343388eea45cSKlaus Jensen status = nvme_check_mdts(n, mapped_size); 343488eea45cSKlaus Jensen if (status) { 343588eea45cSKlaus Jensen goto invalid; 343688eea45cSKlaus Jensen } 343788eea45cSKlaus Jensen 343888eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 343988eea45cSKlaus Jensen if (status) { 344088eea45cSKlaus Jensen goto invalid; 344188eea45cSKlaus Jensen } 344288eea45cSKlaus Jensen 344388eea45cSKlaus Jensen if (ns->params.zoned) { 344488eea45cSKlaus Jensen status = nvme_check_zone_read(ns, slba, nlb); 344588eea45cSKlaus Jensen if (status) { 344688eea45cSKlaus Jensen trace_pci_nvme_err_zone_read_not_ok(slba, nlb, status); 344788eea45cSKlaus Jensen goto invalid; 344888eea45cSKlaus Jensen } 344988eea45cSKlaus Jensen } 345088eea45cSKlaus Jensen 345188eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 345288eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 345388eea45cSKlaus Jensen if (status) { 345488eea45cSKlaus Jensen goto invalid; 345588eea45cSKlaus Jensen } 345688eea45cSKlaus Jensen } 345788eea45cSKlaus Jensen 345888eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 345988eea45cSKlaus Jensen return nvme_dif_rw(n, req); 346088eea45cSKlaus Jensen } 346188eea45cSKlaus Jensen 346288eea45cSKlaus Jensen status = nvme_map_data(n, nlb, req); 346388eea45cSKlaus Jensen if (status) { 346488eea45cSKlaus Jensen goto invalid; 346588eea45cSKlaus Jensen } 346688eea45cSKlaus Jensen 346788eea45cSKlaus Jensen data_offset = nvme_l2b(ns, slba); 346888eea45cSKlaus Jensen 346988eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_size, 347088eea45cSKlaus Jensen BLOCK_ACCT_READ); 34719b4f0181SMateusz Kozlowski nvme_blk_read(blk, data_offset, BDRV_SECTOR_SIZE, nvme_rw_cb, req); 347288eea45cSKlaus Jensen return NVME_NO_COMPLETE; 347388eea45cSKlaus Jensen 347488eea45cSKlaus Jensen invalid: 347588eea45cSKlaus Jensen block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_READ); 347688eea45cSKlaus Jensen return status | NVME_DNR; 347788eea45cSKlaus Jensen } 347888eea45cSKlaus Jensen 347973064edfSJesper Devantier static void nvme_do_write_fdp(NvmeCtrl *n, NvmeRequest *req, uint64_t slba, 348073064edfSJesper Devantier uint32_t nlb) 348173064edfSJesper Devantier { 348273064edfSJesper Devantier NvmeNamespace *ns = req->ns; 348373064edfSJesper Devantier NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 348473064edfSJesper Devantier uint64_t data_size = nvme_l2b(ns, nlb); 348573064edfSJesper Devantier uint32_t dw12 = le32_to_cpu(req->cmd.cdw12); 348673064edfSJesper Devantier uint8_t dtype = (dw12 >> 20) & 0xf; 348773064edfSJesper Devantier uint16_t pid = le16_to_cpu(rw->dspec); 348873064edfSJesper Devantier uint16_t ph, rg, ruhid; 348973064edfSJesper Devantier NvmeReclaimUnit *ru; 349073064edfSJesper Devantier 349173064edfSJesper Devantier if (dtype != NVME_DIRECTIVE_DATA_PLACEMENT || 349273064edfSJesper Devantier !nvme_parse_pid(ns, pid, &ph, &rg)) { 349373064edfSJesper Devantier ph = 0; 349473064edfSJesper Devantier rg = 0; 349573064edfSJesper Devantier } 349673064edfSJesper Devantier 349773064edfSJesper Devantier ruhid = ns->fdp.phs[ph]; 349873064edfSJesper Devantier ru = &ns->endgrp->fdp.ruhs[ruhid].rus[rg]; 349973064edfSJesper Devantier 350073064edfSJesper Devantier nvme_fdp_stat_inc(&ns->endgrp->fdp.hbmw, data_size); 350173064edfSJesper Devantier nvme_fdp_stat_inc(&ns->endgrp->fdp.mbmw, data_size); 350273064edfSJesper Devantier 350373064edfSJesper Devantier while (nlb) { 350473064edfSJesper Devantier if (nlb < ru->ruamw) { 350573064edfSJesper Devantier ru->ruamw -= nlb; 350673064edfSJesper Devantier break; 350773064edfSJesper Devantier } 350873064edfSJesper Devantier 350973064edfSJesper Devantier nlb -= ru->ruamw; 351073064edfSJesper Devantier nvme_update_ruh(n, ns, pid); 351173064edfSJesper Devantier } 351273064edfSJesper Devantier } 351373064edfSJesper Devantier 351488eea45cSKlaus Jensen static uint16_t nvme_do_write(NvmeCtrl *n, NvmeRequest *req, bool append, 351588eea45cSKlaus Jensen bool wrz) 351688eea45cSKlaus Jensen { 351788eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 351888eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 351988eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 352088eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 352188eea45cSKlaus Jensen uint16_t ctrl = le16_to_cpu(rw->control); 35222a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(ctrl); 352388eea45cSKlaus Jensen uint64_t data_size = nvme_l2b(ns, nlb); 352488eea45cSKlaus Jensen uint64_t mapped_size = data_size; 352588eea45cSKlaus Jensen uint64_t data_offset; 352688eea45cSKlaus Jensen NvmeZone *zone; 352788eea45cSKlaus Jensen NvmeZonedResult *res = (NvmeZonedResult *)&req->cqe; 352888eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 352988eea45cSKlaus Jensen uint16_t status; 353088eea45cSKlaus Jensen 353188eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 353288eea45cSKlaus Jensen mapped_size += nvme_m2b(ns, nlb); 353388eea45cSKlaus Jensen 353488eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 35352a132309SKlaus Jensen bool pract = prinfo & NVME_PRINFO_PRACT; 353688eea45cSKlaus Jensen 3537ac0b34c5SKlaus Jensen if (pract && ns->lbaf.ms == nvme_pi_tuple_size(ns)) { 353888eea45cSKlaus Jensen mapped_size -= nvme_m2b(ns, nlb); 353988eea45cSKlaus Jensen } 354088eea45cSKlaus Jensen } 354188eea45cSKlaus Jensen } 354288eea45cSKlaus Jensen 354388eea45cSKlaus Jensen trace_pci_nvme_write(nvme_cid(req), nvme_io_opc_str(rw->opcode), 354488eea45cSKlaus Jensen nvme_nsid(ns), nlb, mapped_size, slba); 354588eea45cSKlaus Jensen 354688eea45cSKlaus Jensen if (!wrz) { 354788eea45cSKlaus Jensen status = nvme_check_mdts(n, mapped_size); 354888eea45cSKlaus Jensen if (status) { 354988eea45cSKlaus Jensen goto invalid; 355088eea45cSKlaus Jensen } 355188eea45cSKlaus Jensen } 355288eea45cSKlaus Jensen 355388eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 355488eea45cSKlaus Jensen if (status) { 355588eea45cSKlaus Jensen goto invalid; 355688eea45cSKlaus Jensen } 355788eea45cSKlaus Jensen 355888eea45cSKlaus Jensen if (ns->params.zoned) { 355988eea45cSKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 3560189a8bf7SKlaus Jensen assert(zone); 356188eea45cSKlaus Jensen 356288eea45cSKlaus Jensen if (append) { 356388eea45cSKlaus Jensen bool piremap = !!(ctrl & NVME_RW_PIREMAP); 356488eea45cSKlaus Jensen 3565e321b4cdSKlaus Jensen if (unlikely(zone->d.za & NVME_ZA_ZRWA_VALID)) { 3566e321b4cdSKlaus Jensen return NVME_INVALID_ZONE_OP | NVME_DNR; 3567e321b4cdSKlaus Jensen } 3568e321b4cdSKlaus Jensen 356988eea45cSKlaus Jensen if (unlikely(slba != zone->d.zslba)) { 357088eea45cSKlaus Jensen trace_pci_nvme_err_append_not_at_start(slba, zone->d.zslba); 357188eea45cSKlaus Jensen status = NVME_INVALID_FIELD; 357288eea45cSKlaus Jensen goto invalid; 357388eea45cSKlaus Jensen } 357488eea45cSKlaus Jensen 357588eea45cSKlaus Jensen if (n->params.zasl && 357688eea45cSKlaus Jensen data_size > (uint64_t)n->page_size << n->params.zasl) { 357788eea45cSKlaus Jensen trace_pci_nvme_err_zasl(data_size); 357888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 357988eea45cSKlaus Jensen } 358088eea45cSKlaus Jensen 358188eea45cSKlaus Jensen slba = zone->w_ptr; 358288eea45cSKlaus Jensen rw->slba = cpu_to_le64(slba); 358388eea45cSKlaus Jensen res->slba = cpu_to_le64(slba); 358488eea45cSKlaus Jensen 358588eea45cSKlaus Jensen switch (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 358688eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_1: 358788eea45cSKlaus Jensen if (!piremap) { 358888eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 358988eea45cSKlaus Jensen } 359088eea45cSKlaus Jensen 359188eea45cSKlaus Jensen /* fallthrough */ 359288eea45cSKlaus Jensen 359388eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_2: 359488eea45cSKlaus Jensen if (piremap) { 359588eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 359688eea45cSKlaus Jensen rw->reftag = cpu_to_le32(reftag + (slba - zone->d.zslba)); 359788eea45cSKlaus Jensen } 359888eea45cSKlaus Jensen 359988eea45cSKlaus Jensen break; 360088eea45cSKlaus Jensen 360188eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_3: 360288eea45cSKlaus Jensen if (piremap) { 360388eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 360488eea45cSKlaus Jensen } 360588eea45cSKlaus Jensen 360688eea45cSKlaus Jensen break; 360788eea45cSKlaus Jensen } 360888eea45cSKlaus Jensen } 360988eea45cSKlaus Jensen 361088eea45cSKlaus Jensen status = nvme_check_zone_write(ns, zone, slba, nlb); 361188eea45cSKlaus Jensen if (status) { 361288eea45cSKlaus Jensen goto invalid; 361388eea45cSKlaus Jensen } 361488eea45cSKlaus Jensen 3615cccc2651SNiklas Cassel status = nvme_zrm_auto(n, ns, zone); 361688eea45cSKlaus Jensen if (status) { 361788eea45cSKlaus Jensen goto invalid; 361888eea45cSKlaus Jensen } 361988eea45cSKlaus Jensen 3620e321b4cdSKlaus Jensen if (!(zone->d.za & NVME_ZA_ZRWA_VALID)) { 362188eea45cSKlaus Jensen zone->w_ptr += nlb; 362288eea45cSKlaus Jensen } 362373064edfSJesper Devantier } else if (ns->endgrp && ns->endgrp->fdp.enabled) { 362473064edfSJesper Devantier nvme_do_write_fdp(n, req, slba, nlb); 3625e321b4cdSKlaus Jensen } 362688eea45cSKlaus Jensen 362788eea45cSKlaus Jensen data_offset = nvme_l2b(ns, slba); 362888eea45cSKlaus Jensen 362988eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 363088eea45cSKlaus Jensen return nvme_dif_rw(n, req); 363188eea45cSKlaus Jensen } 363288eea45cSKlaus Jensen 363388eea45cSKlaus Jensen if (!wrz) { 363488eea45cSKlaus Jensen status = nvme_map_data(n, nlb, req); 363588eea45cSKlaus Jensen if (status) { 363688eea45cSKlaus Jensen goto invalid; 363788eea45cSKlaus Jensen } 363888eea45cSKlaus Jensen 363988eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_size, 364088eea45cSKlaus Jensen BLOCK_ACCT_WRITE); 36419b4f0181SMateusz Kozlowski nvme_blk_write(blk, data_offset, BDRV_SECTOR_SIZE, nvme_rw_cb, req); 364288eea45cSKlaus Jensen } else { 364388eea45cSKlaus Jensen req->aiocb = blk_aio_pwrite_zeroes(blk, data_offset, data_size, 364488eea45cSKlaus Jensen BDRV_REQ_MAY_UNMAP, nvme_rw_cb, 364588eea45cSKlaus Jensen req); 364688eea45cSKlaus Jensen } 364788eea45cSKlaus Jensen 364888eea45cSKlaus Jensen return NVME_NO_COMPLETE; 364988eea45cSKlaus Jensen 365088eea45cSKlaus Jensen invalid: 365188eea45cSKlaus Jensen block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_WRITE); 365288eea45cSKlaus Jensen return status | NVME_DNR; 365388eea45cSKlaus Jensen } 365488eea45cSKlaus Jensen 365588eea45cSKlaus Jensen static inline uint16_t nvme_write(NvmeCtrl *n, NvmeRequest *req) 365688eea45cSKlaus Jensen { 365788eea45cSKlaus Jensen return nvme_do_write(n, req, false, false); 365888eea45cSKlaus Jensen } 365988eea45cSKlaus Jensen 366088eea45cSKlaus Jensen static inline uint16_t nvme_write_zeroes(NvmeCtrl *n, NvmeRequest *req) 366188eea45cSKlaus Jensen { 366288eea45cSKlaus Jensen return nvme_do_write(n, req, false, true); 366388eea45cSKlaus Jensen } 366488eea45cSKlaus Jensen 366588eea45cSKlaus Jensen static inline uint16_t nvme_zone_append(NvmeCtrl *n, NvmeRequest *req) 366688eea45cSKlaus Jensen { 366788eea45cSKlaus Jensen return nvme_do_write(n, req, true, false); 366888eea45cSKlaus Jensen } 366988eea45cSKlaus Jensen 367088eea45cSKlaus Jensen static uint16_t nvme_get_mgmt_zone_slba_idx(NvmeNamespace *ns, NvmeCmd *c, 367188eea45cSKlaus Jensen uint64_t *slba, uint32_t *zone_idx) 367288eea45cSKlaus Jensen { 367388eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(c->cdw10); 367488eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(c->cdw11); 367588eea45cSKlaus Jensen 367688eea45cSKlaus Jensen if (!ns->params.zoned) { 367788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_opc(c->opcode); 367888eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 367988eea45cSKlaus Jensen } 368088eea45cSKlaus Jensen 368188eea45cSKlaus Jensen *slba = ((uint64_t)dw11) << 32 | dw10; 368288eea45cSKlaus Jensen if (unlikely(*slba >= ns->id_ns.nsze)) { 368388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(*slba, 0, ns->id_ns.nsze); 368488eea45cSKlaus Jensen *slba = 0; 368588eea45cSKlaus Jensen return NVME_LBA_RANGE | NVME_DNR; 368688eea45cSKlaus Jensen } 368788eea45cSKlaus Jensen 368888eea45cSKlaus Jensen *zone_idx = nvme_zone_idx(ns, *slba); 368988eea45cSKlaus Jensen assert(*zone_idx < ns->num_zones); 369088eea45cSKlaus Jensen 369188eea45cSKlaus Jensen return NVME_SUCCESS; 369288eea45cSKlaus Jensen } 369388eea45cSKlaus Jensen 369488eea45cSKlaus Jensen typedef uint16_t (*op_handler_t)(NvmeNamespace *, NvmeZone *, NvmeZoneState, 369588eea45cSKlaus Jensen NvmeRequest *); 369688eea45cSKlaus Jensen 369788eea45cSKlaus Jensen enum NvmeZoneProcessingMask { 369888eea45cSKlaus Jensen NVME_PROC_CURRENT_ZONE = 0, 369988eea45cSKlaus Jensen NVME_PROC_OPENED_ZONES = 1 << 0, 370088eea45cSKlaus Jensen NVME_PROC_CLOSED_ZONES = 1 << 1, 370188eea45cSKlaus Jensen NVME_PROC_READ_ONLY_ZONES = 1 << 2, 370288eea45cSKlaus Jensen NVME_PROC_FULL_ZONES = 1 << 3, 370388eea45cSKlaus Jensen }; 370488eea45cSKlaus Jensen 370588eea45cSKlaus Jensen static uint16_t nvme_open_zone(NvmeNamespace *ns, NvmeZone *zone, 370688eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 370788eea45cSKlaus Jensen { 3708e321b4cdSKlaus Jensen NvmeZoneSendCmd *cmd = (NvmeZoneSendCmd *)&req->cmd; 3709e321b4cdSKlaus Jensen int flags = 0; 3710e321b4cdSKlaus Jensen 3711e321b4cdSKlaus Jensen if (cmd->zsflags & NVME_ZSFLAG_ZRWA_ALLOC) { 3712e321b4cdSKlaus Jensen uint16_t ozcs = le16_to_cpu(ns->id_ns_zoned->ozcs); 3713e321b4cdSKlaus Jensen 3714e321b4cdSKlaus Jensen if (!(ozcs & NVME_ID_NS_ZONED_OZCS_ZRWASUP)) { 3715e321b4cdSKlaus Jensen return NVME_INVALID_ZONE_OP | NVME_DNR; 3716e321b4cdSKlaus Jensen } 3717e321b4cdSKlaus Jensen 3718e321b4cdSKlaus Jensen if (zone->w_ptr % ns->zns.zrwafg) { 3719e321b4cdSKlaus Jensen return NVME_NOZRWA | NVME_DNR; 3720e321b4cdSKlaus Jensen } 3721e321b4cdSKlaus Jensen 3722e321b4cdSKlaus Jensen flags = NVME_ZRM_ZRWA; 3723e321b4cdSKlaus Jensen } 3724e321b4cdSKlaus Jensen 3725e321b4cdSKlaus Jensen return nvme_zrm_open_flags(nvme_ctrl(req), ns, zone, flags); 372688eea45cSKlaus Jensen } 372788eea45cSKlaus Jensen 372888eea45cSKlaus Jensen static uint16_t nvme_close_zone(NvmeNamespace *ns, NvmeZone *zone, 372988eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 373088eea45cSKlaus Jensen { 373188eea45cSKlaus Jensen return nvme_zrm_close(ns, zone); 373288eea45cSKlaus Jensen } 373388eea45cSKlaus Jensen 373488eea45cSKlaus Jensen static uint16_t nvme_finish_zone(NvmeNamespace *ns, NvmeZone *zone, 373588eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 373688eea45cSKlaus Jensen { 373788eea45cSKlaus Jensen return nvme_zrm_finish(ns, zone); 373888eea45cSKlaus Jensen } 373988eea45cSKlaus Jensen 374088eea45cSKlaus Jensen static uint16_t nvme_offline_zone(NvmeNamespace *ns, NvmeZone *zone, 374188eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 374288eea45cSKlaus Jensen { 374388eea45cSKlaus Jensen switch (state) { 374488eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 374588eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_OFFLINE); 374688eea45cSKlaus Jensen /* fall through */ 374788eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 374888eea45cSKlaus Jensen return NVME_SUCCESS; 374988eea45cSKlaus Jensen default: 375088eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 375188eea45cSKlaus Jensen } 375288eea45cSKlaus Jensen } 375388eea45cSKlaus Jensen 375488eea45cSKlaus Jensen static uint16_t nvme_set_zd_ext(NvmeNamespace *ns, NvmeZone *zone) 375588eea45cSKlaus Jensen { 375688eea45cSKlaus Jensen uint16_t status; 375788eea45cSKlaus Jensen uint8_t state = nvme_get_zone_state(zone); 375888eea45cSKlaus Jensen 375988eea45cSKlaus Jensen if (state == NVME_ZONE_STATE_EMPTY) { 376088eea45cSKlaus Jensen status = nvme_aor_check(ns, 1, 0); 376188eea45cSKlaus Jensen if (status) { 376288eea45cSKlaus Jensen return status; 376388eea45cSKlaus Jensen } 376488eea45cSKlaus Jensen nvme_aor_inc_active(ns); 376588eea45cSKlaus Jensen zone->d.za |= NVME_ZA_ZD_EXT_VALID; 376688eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_CLOSED); 376788eea45cSKlaus Jensen return NVME_SUCCESS; 376888eea45cSKlaus Jensen } 376988eea45cSKlaus Jensen 377088eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 377188eea45cSKlaus Jensen } 377288eea45cSKlaus Jensen 377388eea45cSKlaus Jensen static uint16_t nvme_bulk_proc_zone(NvmeNamespace *ns, NvmeZone *zone, 377488eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask, 377588eea45cSKlaus Jensen op_handler_t op_hndlr, NvmeRequest *req) 377688eea45cSKlaus Jensen { 377788eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 377888eea45cSKlaus Jensen NvmeZoneState zs = nvme_get_zone_state(zone); 377988eea45cSKlaus Jensen bool proc_zone; 378088eea45cSKlaus Jensen 378188eea45cSKlaus Jensen switch (zs) { 378288eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 378388eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 378488eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_OPENED_ZONES; 378588eea45cSKlaus Jensen break; 378688eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 378788eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_CLOSED_ZONES; 378888eea45cSKlaus Jensen break; 378988eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 379088eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_READ_ONLY_ZONES; 379188eea45cSKlaus Jensen break; 379288eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 379388eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_FULL_ZONES; 379488eea45cSKlaus Jensen break; 379588eea45cSKlaus Jensen default: 379688eea45cSKlaus Jensen proc_zone = false; 379788eea45cSKlaus Jensen } 379888eea45cSKlaus Jensen 379988eea45cSKlaus Jensen if (proc_zone) { 380088eea45cSKlaus Jensen status = op_hndlr(ns, zone, zs, req); 380188eea45cSKlaus Jensen } 380288eea45cSKlaus Jensen 380388eea45cSKlaus Jensen return status; 380488eea45cSKlaus Jensen } 380588eea45cSKlaus Jensen 380688eea45cSKlaus Jensen static uint16_t nvme_do_zone_op(NvmeNamespace *ns, NvmeZone *zone, 380788eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask, 380888eea45cSKlaus Jensen op_handler_t op_hndlr, NvmeRequest *req) 380988eea45cSKlaus Jensen { 381088eea45cSKlaus Jensen NvmeZone *next; 381188eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 381288eea45cSKlaus Jensen int i; 381388eea45cSKlaus Jensen 381488eea45cSKlaus Jensen if (!proc_mask) { 381588eea45cSKlaus Jensen status = op_hndlr(ns, zone, nvme_get_zone_state(zone), req); 381688eea45cSKlaus Jensen } else { 381788eea45cSKlaus Jensen if (proc_mask & NVME_PROC_CLOSED_ZONES) { 381888eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->closed_zones, entry, next) { 381988eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 382088eea45cSKlaus Jensen req); 382188eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 382288eea45cSKlaus Jensen goto out; 382388eea45cSKlaus Jensen } 382488eea45cSKlaus Jensen } 382588eea45cSKlaus Jensen } 382688eea45cSKlaus Jensen if (proc_mask & NVME_PROC_OPENED_ZONES) { 382788eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->imp_open_zones, entry, next) { 382888eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 382988eea45cSKlaus Jensen req); 383088eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 383188eea45cSKlaus Jensen goto out; 383288eea45cSKlaus Jensen } 383388eea45cSKlaus Jensen } 383488eea45cSKlaus Jensen 383588eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->exp_open_zones, entry, next) { 383688eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 383788eea45cSKlaus Jensen req); 383888eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 383988eea45cSKlaus Jensen goto out; 384088eea45cSKlaus Jensen } 384188eea45cSKlaus Jensen } 384288eea45cSKlaus Jensen } 384388eea45cSKlaus Jensen if (proc_mask & NVME_PROC_FULL_ZONES) { 384488eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->full_zones, entry, next) { 384588eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 384688eea45cSKlaus Jensen req); 384788eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 384888eea45cSKlaus Jensen goto out; 384988eea45cSKlaus Jensen } 385088eea45cSKlaus Jensen } 385188eea45cSKlaus Jensen } 385288eea45cSKlaus Jensen 385388eea45cSKlaus Jensen if (proc_mask & NVME_PROC_READ_ONLY_ZONES) { 385488eea45cSKlaus Jensen for (i = 0; i < ns->num_zones; i++, zone++) { 385588eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 385688eea45cSKlaus Jensen req); 385788eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 385888eea45cSKlaus Jensen goto out; 385988eea45cSKlaus Jensen } 386088eea45cSKlaus Jensen } 386188eea45cSKlaus Jensen } 386288eea45cSKlaus Jensen } 386388eea45cSKlaus Jensen 386488eea45cSKlaus Jensen out: 386588eea45cSKlaus Jensen return status; 386688eea45cSKlaus Jensen } 386788eea45cSKlaus Jensen 386863d96e4fSKlaus Jensen typedef struct NvmeZoneResetAIOCB { 386963d96e4fSKlaus Jensen BlockAIOCB common; 387063d96e4fSKlaus Jensen BlockAIOCB *aiocb; 387163d96e4fSKlaus Jensen NvmeRequest *req; 387263d96e4fSKlaus Jensen int ret; 387363d96e4fSKlaus Jensen 387463d96e4fSKlaus Jensen bool all; 387563d96e4fSKlaus Jensen int idx; 387663d96e4fSKlaus Jensen NvmeZone *zone; 387763d96e4fSKlaus Jensen } NvmeZoneResetAIOCB; 387863d96e4fSKlaus Jensen 387963d96e4fSKlaus Jensen static void nvme_zone_reset_cancel(BlockAIOCB *aiocb) 388063d96e4fSKlaus Jensen { 388163d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = container_of(aiocb, NvmeZoneResetAIOCB, common); 388263d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 388363d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 388463d96e4fSKlaus Jensen 388563d96e4fSKlaus Jensen iocb->idx = ns->num_zones; 388663d96e4fSKlaus Jensen 388763d96e4fSKlaus Jensen iocb->ret = -ECANCELED; 388863d96e4fSKlaus Jensen 388963d96e4fSKlaus Jensen if (iocb->aiocb) { 389063d96e4fSKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 389163d96e4fSKlaus Jensen iocb->aiocb = NULL; 389263d96e4fSKlaus Jensen } 389363d96e4fSKlaus Jensen } 389463d96e4fSKlaus Jensen 389563d96e4fSKlaus Jensen static const AIOCBInfo nvme_zone_reset_aiocb_info = { 389663d96e4fSKlaus Jensen .aiocb_size = sizeof(NvmeZoneResetAIOCB), 389763d96e4fSKlaus Jensen .cancel_async = nvme_zone_reset_cancel, 389863d96e4fSKlaus Jensen }; 389963d96e4fSKlaus Jensen 390063d96e4fSKlaus Jensen static void nvme_zone_reset_cb(void *opaque, int ret); 390163d96e4fSKlaus Jensen 390263d96e4fSKlaus Jensen static void nvme_zone_reset_epilogue_cb(void *opaque, int ret) 390363d96e4fSKlaus Jensen { 390463d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 390563d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 390663d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 390763d96e4fSKlaus Jensen int64_t moff; 390863d96e4fSKlaus Jensen int count; 390963d96e4fSKlaus Jensen 391036a251c3SKlaus Jensen if (ret < 0 || iocb->ret < 0 || !ns->lbaf.ms) { 391136a251c3SKlaus Jensen goto out; 391263d96e4fSKlaus Jensen } 391363d96e4fSKlaus Jensen 391463d96e4fSKlaus Jensen moff = nvme_moff(ns, iocb->zone->d.zslba); 391563d96e4fSKlaus Jensen count = nvme_m2b(ns, ns->zone_size); 391663d96e4fSKlaus Jensen 391763d96e4fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, moff, count, 391863d96e4fSKlaus Jensen BDRV_REQ_MAY_UNMAP, 391963d96e4fSKlaus Jensen nvme_zone_reset_cb, iocb); 392063d96e4fSKlaus Jensen return; 392136a251c3SKlaus Jensen 392236a251c3SKlaus Jensen out: 392336a251c3SKlaus Jensen nvme_zone_reset_cb(iocb, ret); 392463d96e4fSKlaus Jensen } 392563d96e4fSKlaus Jensen 392663d96e4fSKlaus Jensen static void nvme_zone_reset_cb(void *opaque, int ret) 392763d96e4fSKlaus Jensen { 392863d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 392963d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 393063d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 393163d96e4fSKlaus Jensen 393236a251c3SKlaus Jensen if (iocb->ret < 0) { 393336a251c3SKlaus Jensen goto done; 393436a251c3SKlaus Jensen } else if (ret < 0) { 393563d96e4fSKlaus Jensen iocb->ret = ret; 393663d96e4fSKlaus Jensen goto done; 393763d96e4fSKlaus Jensen } 393863d96e4fSKlaus Jensen 393963d96e4fSKlaus Jensen if (iocb->zone) { 394063d96e4fSKlaus Jensen nvme_zrm_reset(ns, iocb->zone); 394163d96e4fSKlaus Jensen 394263d96e4fSKlaus Jensen if (!iocb->all) { 394363d96e4fSKlaus Jensen goto done; 394463d96e4fSKlaus Jensen } 394563d96e4fSKlaus Jensen } 394663d96e4fSKlaus Jensen 394763d96e4fSKlaus Jensen while (iocb->idx < ns->num_zones) { 394863d96e4fSKlaus Jensen NvmeZone *zone = &ns->zone_array[iocb->idx++]; 394963d96e4fSKlaus Jensen 395063d96e4fSKlaus Jensen switch (nvme_get_zone_state(zone)) { 395163d96e4fSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 395263d96e4fSKlaus Jensen if (!iocb->all) { 395363d96e4fSKlaus Jensen goto done; 395463d96e4fSKlaus Jensen } 395563d96e4fSKlaus Jensen 395663d96e4fSKlaus Jensen continue; 395763d96e4fSKlaus Jensen 395863d96e4fSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 395963d96e4fSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 396063d96e4fSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 396163d96e4fSKlaus Jensen case NVME_ZONE_STATE_FULL: 396263d96e4fSKlaus Jensen iocb->zone = zone; 396363d96e4fSKlaus Jensen break; 396463d96e4fSKlaus Jensen 396563d96e4fSKlaus Jensen default: 396663d96e4fSKlaus Jensen continue; 396763d96e4fSKlaus Jensen } 396863d96e4fSKlaus Jensen 396963d96e4fSKlaus Jensen trace_pci_nvme_zns_zone_reset(zone->d.zslba); 397063d96e4fSKlaus Jensen 397163d96e4fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, 397263d96e4fSKlaus Jensen nvme_l2b(ns, zone->d.zslba), 397363d96e4fSKlaus Jensen nvme_l2b(ns, ns->zone_size), 397463d96e4fSKlaus Jensen BDRV_REQ_MAY_UNMAP, 397563d96e4fSKlaus Jensen nvme_zone_reset_epilogue_cb, 397663d96e4fSKlaus Jensen iocb); 397763d96e4fSKlaus Jensen return; 397863d96e4fSKlaus Jensen } 397963d96e4fSKlaus Jensen 398063d96e4fSKlaus Jensen done: 398163d96e4fSKlaus Jensen iocb->aiocb = NULL; 398236a251c3SKlaus Jensen 398336a251c3SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 398436a251c3SKlaus Jensen qemu_aio_unref(iocb); 398563d96e4fSKlaus Jensen } 398663d96e4fSKlaus Jensen 3987e321b4cdSKlaus Jensen static uint16_t nvme_zone_mgmt_send_zrwa_flush(NvmeCtrl *n, NvmeZone *zone, 3988e321b4cdSKlaus Jensen uint64_t elba, NvmeRequest *req) 3989e321b4cdSKlaus Jensen { 3990e321b4cdSKlaus Jensen NvmeNamespace *ns = req->ns; 3991e321b4cdSKlaus Jensen uint16_t ozcs = le16_to_cpu(ns->id_ns_zoned->ozcs); 3992e321b4cdSKlaus Jensen uint64_t wp = zone->d.wp; 3993e321b4cdSKlaus Jensen uint32_t nlb = elba - wp + 1; 3994e321b4cdSKlaus Jensen uint16_t status; 3995e321b4cdSKlaus Jensen 3996e321b4cdSKlaus Jensen 3997e321b4cdSKlaus Jensen if (!(ozcs & NVME_ID_NS_ZONED_OZCS_ZRWASUP)) { 3998e321b4cdSKlaus Jensen return NVME_INVALID_ZONE_OP | NVME_DNR; 3999e321b4cdSKlaus Jensen } 4000e321b4cdSKlaus Jensen 4001e321b4cdSKlaus Jensen if (!(zone->d.za & NVME_ZA_ZRWA_VALID)) { 4002e321b4cdSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 4003e321b4cdSKlaus Jensen } 4004e321b4cdSKlaus Jensen 4005e321b4cdSKlaus Jensen if (elba < wp || elba > wp + ns->zns.zrwas) { 4006e321b4cdSKlaus Jensen return NVME_ZONE_BOUNDARY_ERROR | NVME_DNR; 4007e321b4cdSKlaus Jensen } 4008e321b4cdSKlaus Jensen 4009e321b4cdSKlaus Jensen if (nlb % ns->zns.zrwafg) { 4010e321b4cdSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 4011e321b4cdSKlaus Jensen } 4012e321b4cdSKlaus Jensen 4013e321b4cdSKlaus Jensen status = nvme_zrm_auto(n, ns, zone); 4014e321b4cdSKlaus Jensen if (status) { 4015e321b4cdSKlaus Jensen return status; 4016e321b4cdSKlaus Jensen } 4017e321b4cdSKlaus Jensen 4018e321b4cdSKlaus Jensen zone->w_ptr += nlb; 4019e321b4cdSKlaus Jensen 4020e321b4cdSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlb); 4021e321b4cdSKlaus Jensen 4022e321b4cdSKlaus Jensen return NVME_SUCCESS; 4023e321b4cdSKlaus Jensen } 4024e321b4cdSKlaus Jensen 402588eea45cSKlaus Jensen static uint16_t nvme_zone_mgmt_send(NvmeCtrl *n, NvmeRequest *req) 402688eea45cSKlaus Jensen { 40276190d92fSKlaus Jensen NvmeZoneSendCmd *cmd = (NvmeZoneSendCmd *)&req->cmd; 402888eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 402988eea45cSKlaus Jensen NvmeZone *zone; 403063d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb; 403188eea45cSKlaus Jensen uint8_t *zd_ext; 403288eea45cSKlaus Jensen uint64_t slba = 0; 403388eea45cSKlaus Jensen uint32_t zone_idx = 0; 403488eea45cSKlaus Jensen uint16_t status; 40356190d92fSKlaus Jensen uint8_t action = cmd->zsa; 403688eea45cSKlaus Jensen bool all; 403788eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask = NVME_PROC_CURRENT_ZONE; 403888eea45cSKlaus Jensen 40396190d92fSKlaus Jensen all = cmd->zsflags & NVME_ZSFLAG_SELECT_ALL; 404088eea45cSKlaus Jensen 404188eea45cSKlaus Jensen req->status = NVME_SUCCESS; 404288eea45cSKlaus Jensen 404388eea45cSKlaus Jensen if (!all) { 40446190d92fSKlaus Jensen status = nvme_get_mgmt_zone_slba_idx(ns, &req->cmd, &slba, &zone_idx); 404588eea45cSKlaus Jensen if (status) { 404688eea45cSKlaus Jensen return status; 404788eea45cSKlaus Jensen } 404888eea45cSKlaus Jensen } 404988eea45cSKlaus Jensen 405088eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 4051e321b4cdSKlaus Jensen if (slba != zone->d.zslba && action != NVME_ZONE_ACTION_ZRWA_FLUSH) { 405288eea45cSKlaus Jensen trace_pci_nvme_err_unaligned_zone_cmd(action, slba, zone->d.zslba); 405388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 405488eea45cSKlaus Jensen } 405588eea45cSKlaus Jensen 405688eea45cSKlaus Jensen switch (action) { 405788eea45cSKlaus Jensen 405888eea45cSKlaus Jensen case NVME_ZONE_ACTION_OPEN: 405988eea45cSKlaus Jensen if (all) { 406088eea45cSKlaus Jensen proc_mask = NVME_PROC_CLOSED_ZONES; 406188eea45cSKlaus Jensen } 406288eea45cSKlaus Jensen trace_pci_nvme_open_zone(slba, zone_idx, all); 406388eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_open_zone, req); 406488eea45cSKlaus Jensen break; 406588eea45cSKlaus Jensen 406688eea45cSKlaus Jensen case NVME_ZONE_ACTION_CLOSE: 406788eea45cSKlaus Jensen if (all) { 406888eea45cSKlaus Jensen proc_mask = NVME_PROC_OPENED_ZONES; 406988eea45cSKlaus Jensen } 407088eea45cSKlaus Jensen trace_pci_nvme_close_zone(slba, zone_idx, all); 407188eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_close_zone, req); 407288eea45cSKlaus Jensen break; 407388eea45cSKlaus Jensen 407488eea45cSKlaus Jensen case NVME_ZONE_ACTION_FINISH: 407588eea45cSKlaus Jensen if (all) { 407688eea45cSKlaus Jensen proc_mask = NVME_PROC_OPENED_ZONES | NVME_PROC_CLOSED_ZONES; 407788eea45cSKlaus Jensen } 407888eea45cSKlaus Jensen trace_pci_nvme_finish_zone(slba, zone_idx, all); 407988eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_finish_zone, req); 408088eea45cSKlaus Jensen break; 408188eea45cSKlaus Jensen 408288eea45cSKlaus Jensen case NVME_ZONE_ACTION_RESET: 408388eea45cSKlaus Jensen trace_pci_nvme_reset_zone(slba, zone_idx, all); 408488eea45cSKlaus Jensen 408563d96e4fSKlaus Jensen iocb = blk_aio_get(&nvme_zone_reset_aiocb_info, ns->blkconf.blk, 408663d96e4fSKlaus Jensen nvme_misc_cb, req); 408788eea45cSKlaus Jensen 408863d96e4fSKlaus Jensen iocb->req = req; 408963d96e4fSKlaus Jensen iocb->ret = 0; 409063d96e4fSKlaus Jensen iocb->all = all; 409163d96e4fSKlaus Jensen iocb->idx = zone_idx; 409263d96e4fSKlaus Jensen iocb->zone = NULL; 409388eea45cSKlaus Jensen 409463d96e4fSKlaus Jensen req->aiocb = &iocb->common; 409563d96e4fSKlaus Jensen nvme_zone_reset_cb(iocb, 0); 409688eea45cSKlaus Jensen 409763d96e4fSKlaus Jensen return NVME_NO_COMPLETE; 409888eea45cSKlaus Jensen 409988eea45cSKlaus Jensen case NVME_ZONE_ACTION_OFFLINE: 410088eea45cSKlaus Jensen if (all) { 410188eea45cSKlaus Jensen proc_mask = NVME_PROC_READ_ONLY_ZONES; 410288eea45cSKlaus Jensen } 410388eea45cSKlaus Jensen trace_pci_nvme_offline_zone(slba, zone_idx, all); 410488eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_offline_zone, req); 410588eea45cSKlaus Jensen break; 410688eea45cSKlaus Jensen 410788eea45cSKlaus Jensen case NVME_ZONE_ACTION_SET_ZD_EXT: 410888eea45cSKlaus Jensen trace_pci_nvme_set_descriptor_extension(slba, zone_idx); 410988eea45cSKlaus Jensen if (all || !ns->params.zd_extension_size) { 411088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 411188eea45cSKlaus Jensen } 411288eea45cSKlaus Jensen zd_ext = nvme_get_zd_extension(ns, zone_idx); 411388eea45cSKlaus Jensen status = nvme_h2c(n, zd_ext, ns->params.zd_extension_size, req); 411488eea45cSKlaus Jensen if (status) { 411588eea45cSKlaus Jensen trace_pci_nvme_err_zd_extension_map_error(zone_idx); 411688eea45cSKlaus Jensen return status; 411788eea45cSKlaus Jensen } 411888eea45cSKlaus Jensen 411988eea45cSKlaus Jensen status = nvme_set_zd_ext(ns, zone); 412088eea45cSKlaus Jensen if (status == NVME_SUCCESS) { 412188eea45cSKlaus Jensen trace_pci_nvme_zd_extension_set(zone_idx); 412288eea45cSKlaus Jensen return status; 412388eea45cSKlaus Jensen } 412488eea45cSKlaus Jensen break; 412588eea45cSKlaus Jensen 4126e321b4cdSKlaus Jensen case NVME_ZONE_ACTION_ZRWA_FLUSH: 4127e321b4cdSKlaus Jensen if (all) { 4128e321b4cdSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 4129e321b4cdSKlaus Jensen } 4130e321b4cdSKlaus Jensen 4131e321b4cdSKlaus Jensen return nvme_zone_mgmt_send_zrwa_flush(n, zone, slba, req); 4132e321b4cdSKlaus Jensen 413388eea45cSKlaus Jensen default: 413488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_mgmt_action(action); 413588eea45cSKlaus Jensen status = NVME_INVALID_FIELD; 413688eea45cSKlaus Jensen } 413788eea45cSKlaus Jensen 413888eea45cSKlaus Jensen if (status == NVME_ZONE_INVAL_TRANSITION) { 413988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_zone_state_transition(action, slba, 414088eea45cSKlaus Jensen zone->d.za); 414188eea45cSKlaus Jensen } 414288eea45cSKlaus Jensen if (status) { 414388eea45cSKlaus Jensen status |= NVME_DNR; 414488eea45cSKlaus Jensen } 414588eea45cSKlaus Jensen 414688eea45cSKlaus Jensen return status; 414788eea45cSKlaus Jensen } 414888eea45cSKlaus Jensen 414988eea45cSKlaus Jensen static bool nvme_zone_matches_filter(uint32_t zafs, NvmeZone *zl) 415088eea45cSKlaus Jensen { 415188eea45cSKlaus Jensen NvmeZoneState zs = nvme_get_zone_state(zl); 415288eea45cSKlaus Jensen 415388eea45cSKlaus Jensen switch (zafs) { 415488eea45cSKlaus Jensen case NVME_ZONE_REPORT_ALL: 415588eea45cSKlaus Jensen return true; 415688eea45cSKlaus Jensen case NVME_ZONE_REPORT_EMPTY: 415788eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_EMPTY; 415888eea45cSKlaus Jensen case NVME_ZONE_REPORT_IMPLICITLY_OPEN: 415988eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_IMPLICITLY_OPEN; 416088eea45cSKlaus Jensen case NVME_ZONE_REPORT_EXPLICITLY_OPEN: 416188eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_EXPLICITLY_OPEN; 416288eea45cSKlaus Jensen case NVME_ZONE_REPORT_CLOSED: 416388eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_CLOSED; 416488eea45cSKlaus Jensen case NVME_ZONE_REPORT_FULL: 416588eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_FULL; 416688eea45cSKlaus Jensen case NVME_ZONE_REPORT_READ_ONLY: 416788eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_READ_ONLY; 416888eea45cSKlaus Jensen case NVME_ZONE_REPORT_OFFLINE: 416988eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_OFFLINE; 417088eea45cSKlaus Jensen default: 417188eea45cSKlaus Jensen return false; 417288eea45cSKlaus Jensen } 417388eea45cSKlaus Jensen } 417488eea45cSKlaus Jensen 417588eea45cSKlaus Jensen static uint16_t nvme_zone_mgmt_recv(NvmeCtrl *n, NvmeRequest *req) 417688eea45cSKlaus Jensen { 417788eea45cSKlaus Jensen NvmeCmd *cmd = (NvmeCmd *)&req->cmd; 417888eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 417988eea45cSKlaus Jensen /* cdw12 is zero-based number of dwords to return. Convert to bytes */ 418088eea45cSKlaus Jensen uint32_t data_size = (le32_to_cpu(cmd->cdw12) + 1) << 2; 418188eea45cSKlaus Jensen uint32_t dw13 = le32_to_cpu(cmd->cdw13); 418288eea45cSKlaus Jensen uint32_t zone_idx, zra, zrasf, partial; 418388eea45cSKlaus Jensen uint64_t max_zones, nr_zones = 0; 418488eea45cSKlaus Jensen uint16_t status; 418588eea45cSKlaus Jensen uint64_t slba; 418688eea45cSKlaus Jensen NvmeZoneDescr *z; 418788eea45cSKlaus Jensen NvmeZone *zone; 418888eea45cSKlaus Jensen NvmeZoneReportHeader *header; 418988eea45cSKlaus Jensen void *buf, *buf_p; 419088eea45cSKlaus Jensen size_t zone_entry_sz; 419188eea45cSKlaus Jensen int i; 419288eea45cSKlaus Jensen 419388eea45cSKlaus Jensen req->status = NVME_SUCCESS; 419488eea45cSKlaus Jensen 419588eea45cSKlaus Jensen status = nvme_get_mgmt_zone_slba_idx(ns, cmd, &slba, &zone_idx); 419688eea45cSKlaus Jensen if (status) { 419788eea45cSKlaus Jensen return status; 419888eea45cSKlaus Jensen } 419988eea45cSKlaus Jensen 420088eea45cSKlaus Jensen zra = dw13 & 0xff; 420188eea45cSKlaus Jensen if (zra != NVME_ZONE_REPORT && zra != NVME_ZONE_REPORT_EXTENDED) { 420288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 420388eea45cSKlaus Jensen } 420488eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED && !ns->params.zd_extension_size) { 420588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 420688eea45cSKlaus Jensen } 420788eea45cSKlaus Jensen 420888eea45cSKlaus Jensen zrasf = (dw13 >> 8) & 0xff; 420988eea45cSKlaus Jensen if (zrasf > NVME_ZONE_REPORT_OFFLINE) { 421088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 421188eea45cSKlaus Jensen } 421288eea45cSKlaus Jensen 421388eea45cSKlaus Jensen if (data_size < sizeof(NvmeZoneReportHeader)) { 421488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 421588eea45cSKlaus Jensen } 421688eea45cSKlaus Jensen 421788eea45cSKlaus Jensen status = nvme_check_mdts(n, data_size); 421888eea45cSKlaus Jensen if (status) { 421988eea45cSKlaus Jensen return status; 422088eea45cSKlaus Jensen } 422188eea45cSKlaus Jensen 422288eea45cSKlaus Jensen partial = (dw13 >> 16) & 0x01; 422388eea45cSKlaus Jensen 422488eea45cSKlaus Jensen zone_entry_sz = sizeof(NvmeZoneDescr); 422588eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED) { 422688eea45cSKlaus Jensen zone_entry_sz += ns->params.zd_extension_size; 422788eea45cSKlaus Jensen } 422888eea45cSKlaus Jensen 422988eea45cSKlaus Jensen max_zones = (data_size - sizeof(NvmeZoneReportHeader)) / zone_entry_sz; 423088eea45cSKlaus Jensen buf = g_malloc0(data_size); 423188eea45cSKlaus Jensen 423288eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 423388eea45cSKlaus Jensen for (i = zone_idx; i < ns->num_zones; i++) { 423488eea45cSKlaus Jensen if (partial && nr_zones >= max_zones) { 423588eea45cSKlaus Jensen break; 423688eea45cSKlaus Jensen } 423788eea45cSKlaus Jensen if (nvme_zone_matches_filter(zrasf, zone++)) { 423888eea45cSKlaus Jensen nr_zones++; 423988eea45cSKlaus Jensen } 424088eea45cSKlaus Jensen } 42413d558330SMarkus Armbruster header = buf; 424288eea45cSKlaus Jensen header->nr_zones = cpu_to_le64(nr_zones); 424388eea45cSKlaus Jensen 424488eea45cSKlaus Jensen buf_p = buf + sizeof(NvmeZoneReportHeader); 424588eea45cSKlaus Jensen for (; zone_idx < ns->num_zones && max_zones > 0; zone_idx++) { 424688eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 424788eea45cSKlaus Jensen if (nvme_zone_matches_filter(zrasf, zone)) { 42483d558330SMarkus Armbruster z = buf_p; 424988eea45cSKlaus Jensen buf_p += sizeof(NvmeZoneDescr); 425088eea45cSKlaus Jensen 425188eea45cSKlaus Jensen z->zt = zone->d.zt; 425288eea45cSKlaus Jensen z->zs = zone->d.zs; 425388eea45cSKlaus Jensen z->zcap = cpu_to_le64(zone->d.zcap); 425488eea45cSKlaus Jensen z->zslba = cpu_to_le64(zone->d.zslba); 425588eea45cSKlaus Jensen z->za = zone->d.za; 425688eea45cSKlaus Jensen 425788eea45cSKlaus Jensen if (nvme_wp_is_valid(zone)) { 425888eea45cSKlaus Jensen z->wp = cpu_to_le64(zone->d.wp); 425988eea45cSKlaus Jensen } else { 426088eea45cSKlaus Jensen z->wp = cpu_to_le64(~0ULL); 426188eea45cSKlaus Jensen } 426288eea45cSKlaus Jensen 426388eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED) { 426488eea45cSKlaus Jensen if (zone->d.za & NVME_ZA_ZD_EXT_VALID) { 426588eea45cSKlaus Jensen memcpy(buf_p, nvme_get_zd_extension(ns, zone_idx), 426688eea45cSKlaus Jensen ns->params.zd_extension_size); 426788eea45cSKlaus Jensen } 426888eea45cSKlaus Jensen buf_p += ns->params.zd_extension_size; 426988eea45cSKlaus Jensen } 427088eea45cSKlaus Jensen 427188eea45cSKlaus Jensen max_zones--; 427288eea45cSKlaus Jensen } 427388eea45cSKlaus Jensen } 427488eea45cSKlaus Jensen 427588eea45cSKlaus Jensen status = nvme_c2h(n, (uint8_t *)buf, data_size, req); 427688eea45cSKlaus Jensen 427788eea45cSKlaus Jensen g_free(buf); 427888eea45cSKlaus Jensen 427988eea45cSKlaus Jensen return status; 428088eea45cSKlaus Jensen } 428188eea45cSKlaus Jensen 428273064edfSJesper Devantier static uint16_t nvme_io_mgmt_recv_ruhs(NvmeCtrl *n, NvmeRequest *req, 428373064edfSJesper Devantier size_t len) 428473064edfSJesper Devantier { 428573064edfSJesper Devantier NvmeNamespace *ns = req->ns; 428673064edfSJesper Devantier NvmeEnduranceGroup *endgrp; 428773064edfSJesper Devantier NvmeRuhStatus *hdr; 428873064edfSJesper Devantier NvmeRuhStatusDescr *ruhsd; 428973064edfSJesper Devantier unsigned int nruhsd; 429073064edfSJesper Devantier uint16_t rg, ph, *ruhid; 429173064edfSJesper Devantier size_t trans_len; 429273064edfSJesper Devantier g_autofree uint8_t *buf = NULL; 429373064edfSJesper Devantier 429473064edfSJesper Devantier if (!n->subsys) { 429573064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 429673064edfSJesper Devantier } 429773064edfSJesper Devantier 429873064edfSJesper Devantier if (ns->params.nsid == 0 || ns->params.nsid == 0xffffffff) { 429973064edfSJesper Devantier return NVME_INVALID_NSID | NVME_DNR; 430073064edfSJesper Devantier } 430173064edfSJesper Devantier 430273064edfSJesper Devantier if (!n->subsys->endgrp.fdp.enabled) { 430373064edfSJesper Devantier return NVME_FDP_DISABLED | NVME_DNR; 430473064edfSJesper Devantier } 430573064edfSJesper Devantier 430673064edfSJesper Devantier endgrp = ns->endgrp; 430773064edfSJesper Devantier 430873064edfSJesper Devantier nruhsd = ns->fdp.nphs * endgrp->fdp.nrg; 430973064edfSJesper Devantier trans_len = sizeof(NvmeRuhStatus) + nruhsd * sizeof(NvmeRuhStatusDescr); 431073064edfSJesper Devantier buf = g_malloc(trans_len); 431173064edfSJesper Devantier 431273064edfSJesper Devantier trans_len = MIN(trans_len, len); 431373064edfSJesper Devantier 431473064edfSJesper Devantier hdr = (NvmeRuhStatus *)buf; 431573064edfSJesper Devantier ruhsd = (NvmeRuhStatusDescr *)(buf + sizeof(NvmeRuhStatus)); 431673064edfSJesper Devantier 431773064edfSJesper Devantier hdr->nruhsd = cpu_to_le16(nruhsd); 431873064edfSJesper Devantier 431973064edfSJesper Devantier ruhid = ns->fdp.phs; 432073064edfSJesper Devantier 432173064edfSJesper Devantier for (ph = 0; ph < ns->fdp.nphs; ph++, ruhid++) { 432273064edfSJesper Devantier NvmeRuHandle *ruh = &endgrp->fdp.ruhs[*ruhid]; 432373064edfSJesper Devantier 432473064edfSJesper Devantier for (rg = 0; rg < endgrp->fdp.nrg; rg++, ruhsd++) { 432573064edfSJesper Devantier uint16_t pid = nvme_make_pid(ns, rg, ph); 432673064edfSJesper Devantier 432773064edfSJesper Devantier ruhsd->pid = cpu_to_le16(pid); 432873064edfSJesper Devantier ruhsd->ruhid = *ruhid; 432973064edfSJesper Devantier ruhsd->earutr = 0; 433073064edfSJesper Devantier ruhsd->ruamw = cpu_to_le64(ruh->rus[rg].ruamw); 433173064edfSJesper Devantier } 433273064edfSJesper Devantier } 433373064edfSJesper Devantier 433473064edfSJesper Devantier return nvme_c2h(n, buf, trans_len, req); 433573064edfSJesper Devantier } 433673064edfSJesper Devantier 433773064edfSJesper Devantier static uint16_t nvme_io_mgmt_recv(NvmeCtrl *n, NvmeRequest *req) 433873064edfSJesper Devantier { 433973064edfSJesper Devantier NvmeCmd *cmd = &req->cmd; 434073064edfSJesper Devantier uint32_t cdw10 = le32_to_cpu(cmd->cdw10); 434173064edfSJesper Devantier uint32_t numd = le32_to_cpu(cmd->cdw11); 434273064edfSJesper Devantier uint8_t mo = (cdw10 & 0xff); 434373064edfSJesper Devantier size_t len = (numd + 1) << 2; 434473064edfSJesper Devantier 434573064edfSJesper Devantier switch (mo) { 434673064edfSJesper Devantier case NVME_IOMR_MO_NOP: 434773064edfSJesper Devantier return 0; 434873064edfSJesper Devantier case NVME_IOMR_MO_RUH_STATUS: 434973064edfSJesper Devantier return nvme_io_mgmt_recv_ruhs(n, req, len); 435073064edfSJesper Devantier default: 435173064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 435273064edfSJesper Devantier }; 435373064edfSJesper Devantier } 435473064edfSJesper Devantier 435573064edfSJesper Devantier static uint16_t nvme_io_mgmt_send_ruh_update(NvmeCtrl *n, NvmeRequest *req) 435673064edfSJesper Devantier { 435773064edfSJesper Devantier NvmeCmd *cmd = &req->cmd; 435873064edfSJesper Devantier NvmeNamespace *ns = req->ns; 435973064edfSJesper Devantier uint32_t cdw10 = le32_to_cpu(cmd->cdw10); 436073064edfSJesper Devantier uint16_t ret = NVME_SUCCESS; 436173064edfSJesper Devantier uint32_t npid = (cdw10 >> 1) + 1; 436273064edfSJesper Devantier unsigned int i = 0; 436373064edfSJesper Devantier g_autofree uint16_t *pids = NULL; 436473064edfSJesper Devantier uint32_t maxnpid = n->subsys->endgrp.fdp.nrg * n->subsys->endgrp.fdp.nruh; 436573064edfSJesper Devantier 436673064edfSJesper Devantier if (unlikely(npid >= MIN(NVME_FDP_MAXPIDS, maxnpid))) { 436773064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 436873064edfSJesper Devantier } 436973064edfSJesper Devantier 437073064edfSJesper Devantier pids = g_new(uint16_t, npid); 437173064edfSJesper Devantier 437273064edfSJesper Devantier ret = nvme_h2c(n, pids, npid * sizeof(uint16_t), req); 437373064edfSJesper Devantier if (ret) { 437473064edfSJesper Devantier return ret; 437573064edfSJesper Devantier } 437673064edfSJesper Devantier 437773064edfSJesper Devantier for (; i < npid; i++) { 437873064edfSJesper Devantier if (!nvme_update_ruh(n, ns, pids[i])) { 437973064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 438073064edfSJesper Devantier } 438173064edfSJesper Devantier } 438273064edfSJesper Devantier 438373064edfSJesper Devantier return ret; 438473064edfSJesper Devantier } 438573064edfSJesper Devantier 438673064edfSJesper Devantier static uint16_t nvme_io_mgmt_send(NvmeCtrl *n, NvmeRequest *req) 438773064edfSJesper Devantier { 438873064edfSJesper Devantier NvmeCmd *cmd = &req->cmd; 438973064edfSJesper Devantier uint32_t cdw10 = le32_to_cpu(cmd->cdw10); 439073064edfSJesper Devantier uint8_t mo = (cdw10 & 0xff); 439173064edfSJesper Devantier 439273064edfSJesper Devantier switch (mo) { 439373064edfSJesper Devantier case NVME_IOMS_MO_NOP: 439473064edfSJesper Devantier return 0; 439573064edfSJesper Devantier case NVME_IOMS_MO_RUH_UPDATE: 439673064edfSJesper Devantier return nvme_io_mgmt_send_ruh_update(n, req); 439773064edfSJesper Devantier default: 439873064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 439973064edfSJesper Devantier }; 440073064edfSJesper Devantier } 440173064edfSJesper Devantier 440288eea45cSKlaus Jensen static uint16_t nvme_io_cmd(NvmeCtrl *n, NvmeRequest *req) 440388eea45cSKlaus Jensen { 440488eea45cSKlaus Jensen NvmeNamespace *ns; 440588eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 440688eea45cSKlaus Jensen 440788eea45cSKlaus Jensen trace_pci_nvme_io_cmd(nvme_cid(req), nsid, nvme_sqid(req), 440888eea45cSKlaus Jensen req->cmd.opcode, nvme_io_opc_str(req->cmd.opcode)); 440988eea45cSKlaus Jensen 441088eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 441188eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 441288eea45cSKlaus Jensen } 441388eea45cSKlaus Jensen 441488eea45cSKlaus Jensen /* 441588eea45cSKlaus Jensen * In the base NVM command set, Flush may apply to all namespaces 441688eea45cSKlaus Jensen * (indicated by NSID being set to FFFFFFFFh). But if that feature is used 441788eea45cSKlaus Jensen * along with TP 4056 (Namespace Types), it may be pretty screwed up. 441888eea45cSKlaus Jensen * 441988eea45cSKlaus Jensen * If NSID is indeed set to FFFFFFFFh, we simply cannot associate the 442088eea45cSKlaus Jensen * opcode with a specific command since we cannot determine a unique I/O 442188eea45cSKlaus Jensen * command set. Opcode 0h could have any other meaning than something 442288eea45cSKlaus Jensen * equivalent to flushing and say it DOES have completely different 442388eea45cSKlaus Jensen * semantics in some other command set - does an NSID of FFFFFFFFh then 442488eea45cSKlaus Jensen * mean "for all namespaces, apply whatever command set specific command 442588eea45cSKlaus Jensen * that uses the 0h opcode?" Or does it mean "for all namespaces, apply 442688eea45cSKlaus Jensen * whatever command that uses the 0h opcode if, and only if, it allows NSID 442788eea45cSKlaus Jensen * to be FFFFFFFFh"? 442888eea45cSKlaus Jensen * 442988eea45cSKlaus Jensen * Anyway (and luckily), for now, we do not care about this since the 443088eea45cSKlaus Jensen * device only supports namespace types that includes the NVM Flush command 443188eea45cSKlaus Jensen * (NVM and Zoned), so always do an NVM Flush. 443288eea45cSKlaus Jensen */ 443388eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_FLUSH) { 443488eea45cSKlaus Jensen return nvme_flush(n, req); 443588eea45cSKlaus Jensen } 443688eea45cSKlaus Jensen 443788eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 443888eea45cSKlaus Jensen if (unlikely(!ns)) { 443988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 444088eea45cSKlaus Jensen } 444188eea45cSKlaus Jensen 444288eea45cSKlaus Jensen if (!(ns->iocs[req->cmd.opcode] & NVME_CMD_EFF_CSUPP)) { 444388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_opc(req->cmd.opcode); 444488eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 444588eea45cSKlaus Jensen } 444688eea45cSKlaus Jensen 444788eea45cSKlaus Jensen if (ns->status) { 444888eea45cSKlaus Jensen return ns->status; 444988eea45cSKlaus Jensen } 445088eea45cSKlaus Jensen 4451c53a9a91SPankaj Raghav if (NVME_CMD_FLAGS_FUSE(req->cmd.flags)) { 4452c53a9a91SPankaj Raghav return NVME_INVALID_FIELD; 4453c53a9a91SPankaj Raghav } 4454c53a9a91SPankaj Raghav 445588eea45cSKlaus Jensen req->ns = ns; 445688eea45cSKlaus Jensen 445788eea45cSKlaus Jensen switch (req->cmd.opcode) { 445888eea45cSKlaus Jensen case NVME_CMD_WRITE_ZEROES: 445988eea45cSKlaus Jensen return nvme_write_zeroes(n, req); 446088eea45cSKlaus Jensen case NVME_CMD_ZONE_APPEND: 446188eea45cSKlaus Jensen return nvme_zone_append(n, req); 446288eea45cSKlaus Jensen case NVME_CMD_WRITE: 446388eea45cSKlaus Jensen return nvme_write(n, req); 446488eea45cSKlaus Jensen case NVME_CMD_READ: 446588eea45cSKlaus Jensen return nvme_read(n, req); 446688eea45cSKlaus Jensen case NVME_CMD_COMPARE: 446788eea45cSKlaus Jensen return nvme_compare(n, req); 446888eea45cSKlaus Jensen case NVME_CMD_DSM: 446988eea45cSKlaus Jensen return nvme_dsm(n, req); 447088eea45cSKlaus Jensen case NVME_CMD_VERIFY: 447188eea45cSKlaus Jensen return nvme_verify(n, req); 447288eea45cSKlaus Jensen case NVME_CMD_COPY: 447388eea45cSKlaus Jensen return nvme_copy(n, req); 447488eea45cSKlaus Jensen case NVME_CMD_ZONE_MGMT_SEND: 447588eea45cSKlaus Jensen return nvme_zone_mgmt_send(n, req); 447688eea45cSKlaus Jensen case NVME_CMD_ZONE_MGMT_RECV: 447788eea45cSKlaus Jensen return nvme_zone_mgmt_recv(n, req); 447873064edfSJesper Devantier case NVME_CMD_IO_MGMT_RECV: 447973064edfSJesper Devantier return nvme_io_mgmt_recv(n, req); 448073064edfSJesper Devantier case NVME_CMD_IO_MGMT_SEND: 448173064edfSJesper Devantier return nvme_io_mgmt_send(n, req); 448288eea45cSKlaus Jensen default: 448388eea45cSKlaus Jensen assert(false); 448488eea45cSKlaus Jensen } 448588eea45cSKlaus Jensen 448688eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 448788eea45cSKlaus Jensen } 448888eea45cSKlaus Jensen 44892e53b0b4SJinhao Fan static void nvme_cq_notifier(EventNotifier *e) 44902e53b0b4SJinhao Fan { 44912e53b0b4SJinhao Fan NvmeCQueue *cq = container_of(e, NvmeCQueue, notifier); 44922e53b0b4SJinhao Fan NvmeCtrl *n = cq->ctrl; 44932e53b0b4SJinhao Fan 4494a2da7377SKlaus Jensen if (!event_notifier_test_and_clear(e)) { 4495a2da7377SKlaus Jensen return; 4496a2da7377SKlaus Jensen } 44972e53b0b4SJinhao Fan 44982e53b0b4SJinhao Fan nvme_update_cq_head(cq); 44992e53b0b4SJinhao Fan 45002e53b0b4SJinhao Fan if (cq->tail == cq->head) { 45012e53b0b4SJinhao Fan if (cq->irq_enabled) { 45022e53b0b4SJinhao Fan n->cq_pending--; 45032e53b0b4SJinhao Fan } 45042e53b0b4SJinhao Fan 45052e53b0b4SJinhao Fan nvme_irq_deassert(n, cq); 45062e53b0b4SJinhao Fan } 45072e53b0b4SJinhao Fan 4508d38cc6fdSKlaus Jensen qemu_bh_schedule(cq->bh); 45092e53b0b4SJinhao Fan } 45102e53b0b4SJinhao Fan 45112e53b0b4SJinhao Fan static int nvme_init_cq_ioeventfd(NvmeCQueue *cq) 45122e53b0b4SJinhao Fan { 45132e53b0b4SJinhao Fan NvmeCtrl *n = cq->ctrl; 45142e53b0b4SJinhao Fan uint16_t offset = (cq->cqid << 3) + (1 << 2); 45152e53b0b4SJinhao Fan int ret; 45162e53b0b4SJinhao Fan 45172e53b0b4SJinhao Fan ret = event_notifier_init(&cq->notifier, 0); 45182e53b0b4SJinhao Fan if (ret < 0) { 45192e53b0b4SJinhao Fan return ret; 45202e53b0b4SJinhao Fan } 45212e53b0b4SJinhao Fan 45222e53b0b4SJinhao Fan event_notifier_set_handler(&cq->notifier, nvme_cq_notifier); 45232e53b0b4SJinhao Fan memory_region_add_eventfd(&n->iomem, 45242e53b0b4SJinhao Fan 0x1000 + offset, 4, false, 0, &cq->notifier); 45252e53b0b4SJinhao Fan 45262e53b0b4SJinhao Fan return 0; 45272e53b0b4SJinhao Fan } 45282e53b0b4SJinhao Fan 45292e53b0b4SJinhao Fan static void nvme_sq_notifier(EventNotifier *e) 45302e53b0b4SJinhao Fan { 45312e53b0b4SJinhao Fan NvmeSQueue *sq = container_of(e, NvmeSQueue, notifier); 45322e53b0b4SJinhao Fan 4533a2da7377SKlaus Jensen if (!event_notifier_test_and_clear(e)) { 4534a2da7377SKlaus Jensen return; 4535a2da7377SKlaus Jensen } 45362e53b0b4SJinhao Fan 45372e53b0b4SJinhao Fan nvme_process_sq(sq); 45382e53b0b4SJinhao Fan } 45392e53b0b4SJinhao Fan 45402e53b0b4SJinhao Fan static int nvme_init_sq_ioeventfd(NvmeSQueue *sq) 45412e53b0b4SJinhao Fan { 45422e53b0b4SJinhao Fan NvmeCtrl *n = sq->ctrl; 45432e53b0b4SJinhao Fan uint16_t offset = sq->sqid << 3; 45442e53b0b4SJinhao Fan int ret; 45452e53b0b4SJinhao Fan 45462e53b0b4SJinhao Fan ret = event_notifier_init(&sq->notifier, 0); 45472e53b0b4SJinhao Fan if (ret < 0) { 45482e53b0b4SJinhao Fan return ret; 45492e53b0b4SJinhao Fan } 45502e53b0b4SJinhao Fan 45512e53b0b4SJinhao Fan event_notifier_set_handler(&sq->notifier, nvme_sq_notifier); 45522e53b0b4SJinhao Fan memory_region_add_eventfd(&n->iomem, 45532e53b0b4SJinhao Fan 0x1000 + offset, 4, false, 0, &sq->notifier); 45542e53b0b4SJinhao Fan 45552e53b0b4SJinhao Fan return 0; 45562e53b0b4SJinhao Fan } 45572e53b0b4SJinhao Fan 455888eea45cSKlaus Jensen static void nvme_free_sq(NvmeSQueue *sq, NvmeCtrl *n) 455988eea45cSKlaus Jensen { 45602e53b0b4SJinhao Fan uint16_t offset = sq->sqid << 3; 45612e53b0b4SJinhao Fan 456288eea45cSKlaus Jensen n->sq[sq->sqid] = NULL; 4563d38cc6fdSKlaus Jensen qemu_bh_delete(sq->bh); 45642e53b0b4SJinhao Fan if (sq->ioeventfd_enabled) { 45652e53b0b4SJinhao Fan memory_region_del_eventfd(&n->iomem, 45662e53b0b4SJinhao Fan 0x1000 + offset, 4, false, 0, &sq->notifier); 456704e8da88SKlaus Jensen event_notifier_set_handler(&sq->notifier, NULL); 45682e53b0b4SJinhao Fan event_notifier_cleanup(&sq->notifier); 45692e53b0b4SJinhao Fan } 457088eea45cSKlaus Jensen g_free(sq->io_req); 457188eea45cSKlaus Jensen if (sq->sqid) { 457288eea45cSKlaus Jensen g_free(sq); 457388eea45cSKlaus Jensen } 457488eea45cSKlaus Jensen } 457588eea45cSKlaus Jensen 457688eea45cSKlaus Jensen static uint16_t nvme_del_sq(NvmeCtrl *n, NvmeRequest *req) 457788eea45cSKlaus Jensen { 457888eea45cSKlaus Jensen NvmeDeleteQ *c = (NvmeDeleteQ *)&req->cmd; 457988eea45cSKlaus Jensen NvmeRequest *r, *next; 458088eea45cSKlaus Jensen NvmeSQueue *sq; 458188eea45cSKlaus Jensen NvmeCQueue *cq; 458288eea45cSKlaus Jensen uint16_t qid = le16_to_cpu(c->qid); 458388eea45cSKlaus Jensen 458488eea45cSKlaus Jensen if (unlikely(!qid || nvme_check_sqid(n, qid))) { 458588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_sq(qid); 458688eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 458788eea45cSKlaus Jensen } 458888eea45cSKlaus Jensen 458988eea45cSKlaus Jensen trace_pci_nvme_del_sq(qid); 459088eea45cSKlaus Jensen 459188eea45cSKlaus Jensen sq = n->sq[qid]; 459288eea45cSKlaus Jensen while (!QTAILQ_EMPTY(&sq->out_req_list)) { 459388eea45cSKlaus Jensen r = QTAILQ_FIRST(&sq->out_req_list); 4594e76fb260SKlaus Jensen assert(r->aiocb); 459588eea45cSKlaus Jensen blk_aio_cancel(r->aiocb); 459688eea45cSKlaus Jensen } 459788eea45cSKlaus Jensen 459888eea45cSKlaus Jensen assert(QTAILQ_EMPTY(&sq->out_req_list)); 459988eea45cSKlaus Jensen 460088eea45cSKlaus Jensen if (!nvme_check_cqid(n, sq->cqid)) { 460188eea45cSKlaus Jensen cq = n->cq[sq->cqid]; 460288eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->sq_list, sq, entry); 460388eea45cSKlaus Jensen 460488eea45cSKlaus Jensen nvme_post_cqes(cq); 460588eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(r, &cq->req_list, entry, next) { 460688eea45cSKlaus Jensen if (r->sq == sq) { 460788eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->req_list, r, entry); 460888eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->req_list, r, entry); 460988eea45cSKlaus Jensen } 461088eea45cSKlaus Jensen } 461188eea45cSKlaus Jensen } 461288eea45cSKlaus Jensen 461388eea45cSKlaus Jensen nvme_free_sq(sq, n); 461488eea45cSKlaus Jensen return NVME_SUCCESS; 461588eea45cSKlaus Jensen } 461688eea45cSKlaus Jensen 461788eea45cSKlaus Jensen static void nvme_init_sq(NvmeSQueue *sq, NvmeCtrl *n, uint64_t dma_addr, 461888eea45cSKlaus Jensen uint16_t sqid, uint16_t cqid, uint16_t size) 461988eea45cSKlaus Jensen { 462088eea45cSKlaus Jensen int i; 462188eea45cSKlaus Jensen NvmeCQueue *cq; 462288eea45cSKlaus Jensen 462388eea45cSKlaus Jensen sq->ctrl = n; 462488eea45cSKlaus Jensen sq->dma_addr = dma_addr; 462588eea45cSKlaus Jensen sq->sqid = sqid; 462688eea45cSKlaus Jensen sq->size = size; 462788eea45cSKlaus Jensen sq->cqid = cqid; 462888eea45cSKlaus Jensen sq->head = sq->tail = 0; 462988eea45cSKlaus Jensen sq->io_req = g_new0(NvmeRequest, sq->size); 463088eea45cSKlaus Jensen 463188eea45cSKlaus Jensen QTAILQ_INIT(&sq->req_list); 463288eea45cSKlaus Jensen QTAILQ_INIT(&sq->out_req_list); 463388eea45cSKlaus Jensen for (i = 0; i < sq->size; i++) { 463488eea45cSKlaus Jensen sq->io_req[i].sq = sq; 463588eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&(sq->req_list), &sq->io_req[i], entry); 463688eea45cSKlaus Jensen } 4637d38cc6fdSKlaus Jensen 4638f63192b0SAlexander Bulekov sq->bh = qemu_bh_new_guarded(nvme_process_sq, sq, 4639f63192b0SAlexander Bulekov &DEVICE(sq->ctrl)->mem_reentrancy_guard); 464088eea45cSKlaus Jensen 46413f7fe8deSJinhao Fan if (n->dbbuf_enabled) { 46423f7fe8deSJinhao Fan sq->db_addr = n->dbbuf_dbs + (sqid << 3); 46433f7fe8deSJinhao Fan sq->ei_addr = n->dbbuf_eis + (sqid << 3); 46442e53b0b4SJinhao Fan 46452e53b0b4SJinhao Fan if (n->params.ioeventfd && sq->sqid != 0) { 46462e53b0b4SJinhao Fan if (!nvme_init_sq_ioeventfd(sq)) { 46472e53b0b4SJinhao Fan sq->ioeventfd_enabled = true; 46482e53b0b4SJinhao Fan } 46492e53b0b4SJinhao Fan } 46503f7fe8deSJinhao Fan } 46513f7fe8deSJinhao Fan 465288eea45cSKlaus Jensen assert(n->cq[cqid]); 465388eea45cSKlaus Jensen cq = n->cq[cqid]; 465488eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&(cq->sq_list), sq, entry); 465588eea45cSKlaus Jensen n->sq[sqid] = sq; 465688eea45cSKlaus Jensen } 465788eea45cSKlaus Jensen 465888eea45cSKlaus Jensen static uint16_t nvme_create_sq(NvmeCtrl *n, NvmeRequest *req) 465988eea45cSKlaus Jensen { 466088eea45cSKlaus Jensen NvmeSQueue *sq; 466188eea45cSKlaus Jensen NvmeCreateSq *c = (NvmeCreateSq *)&req->cmd; 466288eea45cSKlaus Jensen 466388eea45cSKlaus Jensen uint16_t cqid = le16_to_cpu(c->cqid); 466488eea45cSKlaus Jensen uint16_t sqid = le16_to_cpu(c->sqid); 466588eea45cSKlaus Jensen uint16_t qsize = le16_to_cpu(c->qsize); 466688eea45cSKlaus Jensen uint16_t qflags = le16_to_cpu(c->sq_flags); 466788eea45cSKlaus Jensen uint64_t prp1 = le64_to_cpu(c->prp1); 466888eea45cSKlaus Jensen 466988eea45cSKlaus Jensen trace_pci_nvme_create_sq(prp1, sqid, cqid, qsize, qflags); 467088eea45cSKlaus Jensen 467188eea45cSKlaus Jensen if (unlikely(!cqid || nvme_check_cqid(n, cqid))) { 467288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_cqid(cqid); 467388eea45cSKlaus Jensen return NVME_INVALID_CQID | NVME_DNR; 467488eea45cSKlaus Jensen } 4675decc0261SŁukasz Gieryk if (unlikely(!sqid || sqid > n->conf_ioqpairs || n->sq[sqid] != NULL)) { 467688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_sqid(sqid); 467788eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 467888eea45cSKlaus Jensen } 467949e03457SKlaus Jensen if (unlikely(!qsize || qsize > NVME_CAP_MQES(ldq_le_p(&n->bar.cap)))) { 468088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_size(qsize); 468188eea45cSKlaus Jensen return NVME_MAX_QSIZE_EXCEEDED | NVME_DNR; 468288eea45cSKlaus Jensen } 468388eea45cSKlaus Jensen if (unlikely(prp1 & (n->page_size - 1))) { 468488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_addr(prp1); 468588eea45cSKlaus Jensen return NVME_INVALID_PRP_OFFSET | NVME_DNR; 468688eea45cSKlaus Jensen } 468788eea45cSKlaus Jensen if (unlikely(!(NVME_SQ_FLAGS_PC(qflags)))) { 468888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_qflags(NVME_SQ_FLAGS_PC(qflags)); 468988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 469088eea45cSKlaus Jensen } 469188eea45cSKlaus Jensen sq = g_malloc0(sizeof(*sq)); 469288eea45cSKlaus Jensen nvme_init_sq(sq, n, prp1, sqid, cqid, qsize + 1); 469388eea45cSKlaus Jensen return NVME_SUCCESS; 469488eea45cSKlaus Jensen } 469588eea45cSKlaus Jensen 469688eea45cSKlaus Jensen struct nvme_stats { 469788eea45cSKlaus Jensen uint64_t units_read; 469888eea45cSKlaus Jensen uint64_t units_written; 469988eea45cSKlaus Jensen uint64_t read_commands; 470088eea45cSKlaus Jensen uint64_t write_commands; 470188eea45cSKlaus Jensen }; 470288eea45cSKlaus Jensen 470388eea45cSKlaus Jensen static void nvme_set_blk_stats(NvmeNamespace *ns, struct nvme_stats *stats) 470488eea45cSKlaus Jensen { 470588eea45cSKlaus Jensen BlockAcctStats *s = blk_get_stats(ns->blkconf.blk); 470688eea45cSKlaus Jensen 4707a555af17SJoel Granados stats->units_read += s->nr_bytes[BLOCK_ACCT_READ]; 4708a555af17SJoel Granados stats->units_written += s->nr_bytes[BLOCK_ACCT_WRITE]; 470988eea45cSKlaus Jensen stats->read_commands += s->nr_ops[BLOCK_ACCT_READ]; 471088eea45cSKlaus Jensen stats->write_commands += s->nr_ops[BLOCK_ACCT_WRITE]; 471188eea45cSKlaus Jensen } 471288eea45cSKlaus Jensen 471388eea45cSKlaus Jensen static uint16_t nvme_smart_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 471488eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 471588eea45cSKlaus Jensen { 471688eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 471788eea45cSKlaus Jensen struct nvme_stats stats = { 0 }; 471888eea45cSKlaus Jensen NvmeSmartLog smart = { 0 }; 471988eea45cSKlaus Jensen uint32_t trans_len; 472088eea45cSKlaus Jensen NvmeNamespace *ns; 472188eea45cSKlaus Jensen time_t current_ms; 4722a555af17SJoel Granados uint64_t u_read, u_written; 472388eea45cSKlaus Jensen 472488eea45cSKlaus Jensen if (off >= sizeof(smart)) { 472588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 472688eea45cSKlaus Jensen } 472788eea45cSKlaus Jensen 472888eea45cSKlaus Jensen if (nsid != 0xffffffff) { 472988eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 473088eea45cSKlaus Jensen if (!ns) { 473188eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 473288eea45cSKlaus Jensen } 473388eea45cSKlaus Jensen nvme_set_blk_stats(ns, &stats); 473488eea45cSKlaus Jensen } else { 473588eea45cSKlaus Jensen int i; 473688eea45cSKlaus Jensen 473788eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 473888eea45cSKlaus Jensen ns = nvme_ns(n, i); 473988eea45cSKlaus Jensen if (!ns) { 474088eea45cSKlaus Jensen continue; 474188eea45cSKlaus Jensen } 474288eea45cSKlaus Jensen nvme_set_blk_stats(ns, &stats); 474388eea45cSKlaus Jensen } 474488eea45cSKlaus Jensen } 474588eea45cSKlaus Jensen 474688eea45cSKlaus Jensen trans_len = MIN(sizeof(smart) - off, buf_len); 474788eea45cSKlaus Jensen smart.critical_warning = n->smart_critical_warning; 474888eea45cSKlaus Jensen 4749a555af17SJoel Granados u_read = DIV_ROUND_UP(stats.units_read >> BDRV_SECTOR_BITS, 1000); 4750a555af17SJoel Granados u_written = DIV_ROUND_UP(stats.units_written >> BDRV_SECTOR_BITS, 1000); 4751a555af17SJoel Granados 4752a555af17SJoel Granados smart.data_units_read[0] = cpu_to_le64(u_read); 4753a555af17SJoel Granados smart.data_units_written[0] = cpu_to_le64(u_written); 475488eea45cSKlaus Jensen smart.host_read_commands[0] = cpu_to_le64(stats.read_commands); 475588eea45cSKlaus Jensen smart.host_write_commands[0] = cpu_to_le64(stats.write_commands); 475688eea45cSKlaus Jensen 475788eea45cSKlaus Jensen smart.temperature = cpu_to_le16(n->temperature); 475888eea45cSKlaus Jensen 475988eea45cSKlaus Jensen if ((n->temperature >= n->features.temp_thresh_hi) || 476088eea45cSKlaus Jensen (n->temperature <= n->features.temp_thresh_low)) { 476188eea45cSKlaus Jensen smart.critical_warning |= NVME_SMART_TEMPERATURE; 476288eea45cSKlaus Jensen } 476388eea45cSKlaus Jensen 476488eea45cSKlaus Jensen current_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 476588eea45cSKlaus Jensen smart.power_on_hours[0] = 476688eea45cSKlaus Jensen cpu_to_le64((((current_ms - n->starttime_ms) / 1000) / 60) / 60); 476788eea45cSKlaus Jensen 476888eea45cSKlaus Jensen if (!rae) { 476988eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_SMART); 477088eea45cSKlaus Jensen } 477188eea45cSKlaus Jensen 477288eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *) &smart + off, trans_len, req); 477388eea45cSKlaus Jensen } 477488eea45cSKlaus Jensen 4775771dbc3aSKlaus Jensen static uint16_t nvme_endgrp_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 4776771dbc3aSKlaus Jensen uint64_t off, NvmeRequest *req) 4777771dbc3aSKlaus Jensen { 4778771dbc3aSKlaus Jensen uint32_t dw11 = le32_to_cpu(req->cmd.cdw11); 4779771dbc3aSKlaus Jensen uint16_t endgrpid = (dw11 >> 16) & 0xffff; 4780771dbc3aSKlaus Jensen struct nvme_stats stats = {}; 4781771dbc3aSKlaus Jensen NvmeEndGrpLog info = {}; 4782771dbc3aSKlaus Jensen int i; 4783771dbc3aSKlaus Jensen 4784771dbc3aSKlaus Jensen if (!n->subsys || endgrpid != 0x1) { 4785771dbc3aSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 4786771dbc3aSKlaus Jensen } 4787771dbc3aSKlaus Jensen 4788771dbc3aSKlaus Jensen if (off >= sizeof(info)) { 4789771dbc3aSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 4790771dbc3aSKlaus Jensen } 4791771dbc3aSKlaus Jensen 4792771dbc3aSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 4793771dbc3aSKlaus Jensen NvmeNamespace *ns = nvme_subsys_ns(n->subsys, i); 4794771dbc3aSKlaus Jensen if (!ns) { 4795771dbc3aSKlaus Jensen continue; 4796771dbc3aSKlaus Jensen } 4797771dbc3aSKlaus Jensen 4798771dbc3aSKlaus Jensen nvme_set_blk_stats(ns, &stats); 4799771dbc3aSKlaus Jensen } 4800771dbc3aSKlaus Jensen 4801771dbc3aSKlaus Jensen info.data_units_read[0] = 4802771dbc3aSKlaus Jensen cpu_to_le64(DIV_ROUND_UP(stats.units_read / 1000000000, 1000000000)); 4803771dbc3aSKlaus Jensen info.data_units_written[0] = 4804771dbc3aSKlaus Jensen cpu_to_le64(DIV_ROUND_UP(stats.units_written / 1000000000, 1000000000)); 4805771dbc3aSKlaus Jensen info.media_units_written[0] = 4806771dbc3aSKlaus Jensen cpu_to_le64(DIV_ROUND_UP(stats.units_written / 1000000000, 1000000000)); 4807771dbc3aSKlaus Jensen 4808771dbc3aSKlaus Jensen info.host_read_commands[0] = cpu_to_le64(stats.read_commands); 4809771dbc3aSKlaus Jensen info.host_write_commands[0] = cpu_to_le64(stats.write_commands); 4810771dbc3aSKlaus Jensen 4811771dbc3aSKlaus Jensen buf_len = MIN(sizeof(info) - off, buf_len); 4812771dbc3aSKlaus Jensen 4813771dbc3aSKlaus Jensen return nvme_c2h(n, (uint8_t *)&info + off, buf_len, req); 4814771dbc3aSKlaus Jensen } 4815771dbc3aSKlaus Jensen 4816771dbc3aSKlaus Jensen 481788eea45cSKlaus Jensen static uint16_t nvme_fw_log_info(NvmeCtrl *n, uint32_t buf_len, uint64_t off, 481888eea45cSKlaus Jensen NvmeRequest *req) 481988eea45cSKlaus Jensen { 482088eea45cSKlaus Jensen uint32_t trans_len; 482188eea45cSKlaus Jensen NvmeFwSlotInfoLog fw_log = { 482288eea45cSKlaus Jensen .afi = 0x1, 482388eea45cSKlaus Jensen }; 482488eea45cSKlaus Jensen 482588eea45cSKlaus Jensen if (off >= sizeof(fw_log)) { 482688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 482788eea45cSKlaus Jensen } 482888eea45cSKlaus Jensen 482988eea45cSKlaus Jensen strpadcpy((char *)&fw_log.frs1, sizeof(fw_log.frs1), "1.0", ' '); 483088eea45cSKlaus Jensen trans_len = MIN(sizeof(fw_log) - off, buf_len); 483188eea45cSKlaus Jensen 483288eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *) &fw_log + off, trans_len, req); 483388eea45cSKlaus Jensen } 483488eea45cSKlaus Jensen 483588eea45cSKlaus Jensen static uint16_t nvme_error_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 483688eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 483788eea45cSKlaus Jensen { 483888eea45cSKlaus Jensen uint32_t trans_len; 483988eea45cSKlaus Jensen NvmeErrorLog errlog; 484088eea45cSKlaus Jensen 484188eea45cSKlaus Jensen if (off >= sizeof(errlog)) { 484288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 484388eea45cSKlaus Jensen } 484488eea45cSKlaus Jensen 484588eea45cSKlaus Jensen if (!rae) { 484688eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_ERROR); 484788eea45cSKlaus Jensen } 484888eea45cSKlaus Jensen 484988eea45cSKlaus Jensen memset(&errlog, 0x0, sizeof(errlog)); 485088eea45cSKlaus Jensen trans_len = MIN(sizeof(errlog) - off, buf_len); 485188eea45cSKlaus Jensen 485288eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&errlog, trans_len, req); 485388eea45cSKlaus Jensen } 485488eea45cSKlaus Jensen 485588eea45cSKlaus Jensen static uint16_t nvme_changed_nslist(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 485688eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 485788eea45cSKlaus Jensen { 485888eea45cSKlaus Jensen uint32_t nslist[1024]; 485988eea45cSKlaus Jensen uint32_t trans_len; 486088eea45cSKlaus Jensen int i = 0; 486188eea45cSKlaus Jensen uint32_t nsid; 486288eea45cSKlaus Jensen 4863e2c57529SKlaus Jensen if (off >= sizeof(nslist)) { 4864e2c57529SKlaus Jensen trace_pci_nvme_err_invalid_log_page_offset(off, sizeof(nslist)); 4865e2c57529SKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 4866e2c57529SKlaus Jensen } 4867e2c57529SKlaus Jensen 486888eea45cSKlaus Jensen memset(nslist, 0x0, sizeof(nslist)); 486988eea45cSKlaus Jensen trans_len = MIN(sizeof(nslist) - off, buf_len); 487088eea45cSKlaus Jensen 487188eea45cSKlaus Jensen while ((nsid = find_first_bit(n->changed_nsids, NVME_CHANGED_NSID_SIZE)) != 487288eea45cSKlaus Jensen NVME_CHANGED_NSID_SIZE) { 487388eea45cSKlaus Jensen /* 487488eea45cSKlaus Jensen * If more than 1024 namespaces, the first entry in the log page should 487588eea45cSKlaus Jensen * be set to FFFFFFFFh and the others to 0 as spec. 487688eea45cSKlaus Jensen */ 487788eea45cSKlaus Jensen if (i == ARRAY_SIZE(nslist)) { 487888eea45cSKlaus Jensen memset(nslist, 0x0, sizeof(nslist)); 487988eea45cSKlaus Jensen nslist[0] = 0xffffffff; 488088eea45cSKlaus Jensen break; 488188eea45cSKlaus Jensen } 488288eea45cSKlaus Jensen 488388eea45cSKlaus Jensen nslist[i++] = nsid; 488488eea45cSKlaus Jensen clear_bit(nsid, n->changed_nsids); 488588eea45cSKlaus Jensen } 488688eea45cSKlaus Jensen 488788eea45cSKlaus Jensen /* 488888eea45cSKlaus Jensen * Remove all the remaining list entries in case returns directly due to 488988eea45cSKlaus Jensen * more than 1024 namespaces. 489088eea45cSKlaus Jensen */ 489188eea45cSKlaus Jensen if (nslist[0] == 0xffffffff) { 489288eea45cSKlaus Jensen bitmap_zero(n->changed_nsids, NVME_CHANGED_NSID_SIZE); 489388eea45cSKlaus Jensen } 489488eea45cSKlaus Jensen 489588eea45cSKlaus Jensen if (!rae) { 489688eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_NOTICE); 489788eea45cSKlaus Jensen } 489888eea45cSKlaus Jensen 489988eea45cSKlaus Jensen return nvme_c2h(n, ((uint8_t *)nslist) + off, trans_len, req); 490088eea45cSKlaus Jensen } 490188eea45cSKlaus Jensen 490288eea45cSKlaus Jensen static uint16_t nvme_cmd_effects(NvmeCtrl *n, uint8_t csi, uint32_t buf_len, 490388eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 490488eea45cSKlaus Jensen { 490588eea45cSKlaus Jensen NvmeEffectsLog log = {}; 490688eea45cSKlaus Jensen const uint32_t *src_iocs = NULL; 490788eea45cSKlaus Jensen uint32_t trans_len; 490888eea45cSKlaus Jensen 490988eea45cSKlaus Jensen if (off >= sizeof(log)) { 491088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_log_page_offset(off, sizeof(log)); 491188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 491288eea45cSKlaus Jensen } 491388eea45cSKlaus Jensen 491449e03457SKlaus Jensen switch (NVME_CC_CSS(ldl_le_p(&n->bar.cc))) { 491588eea45cSKlaus Jensen case NVME_CC_CSS_NVM: 491688eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_nvm; 491788eea45cSKlaus Jensen /* fall through */ 491888eea45cSKlaus Jensen case NVME_CC_CSS_ADMIN_ONLY: 491988eea45cSKlaus Jensen break; 492088eea45cSKlaus Jensen case NVME_CC_CSS_CSI: 492188eea45cSKlaus Jensen switch (csi) { 492288eea45cSKlaus Jensen case NVME_CSI_NVM: 492388eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_nvm; 492488eea45cSKlaus Jensen break; 492588eea45cSKlaus Jensen case NVME_CSI_ZONED: 492688eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_zoned; 492788eea45cSKlaus Jensen break; 492888eea45cSKlaus Jensen } 492988eea45cSKlaus Jensen } 493088eea45cSKlaus Jensen 493188eea45cSKlaus Jensen memcpy(log.acs, nvme_cse_acs, sizeof(nvme_cse_acs)); 493288eea45cSKlaus Jensen 493388eea45cSKlaus Jensen if (src_iocs) { 493488eea45cSKlaus Jensen memcpy(log.iocs, src_iocs, sizeof(log.iocs)); 493588eea45cSKlaus Jensen } 493688eea45cSKlaus Jensen 493788eea45cSKlaus Jensen trans_len = MIN(sizeof(log) - off, buf_len); 493888eea45cSKlaus Jensen 493988eea45cSKlaus Jensen return nvme_c2h(n, ((uint8_t *)&log) + off, trans_len, req); 494088eea45cSKlaus Jensen } 494188eea45cSKlaus Jensen 494273064edfSJesper Devantier static size_t sizeof_fdp_conf_descr(size_t nruh, size_t vss) 494373064edfSJesper Devantier { 494473064edfSJesper Devantier size_t entry_siz = sizeof(NvmeFdpDescrHdr) + nruh * sizeof(NvmeRuhDescr) 494573064edfSJesper Devantier + vss; 494673064edfSJesper Devantier return ROUND_UP(entry_siz, 8); 494773064edfSJesper Devantier } 494873064edfSJesper Devantier 494973064edfSJesper Devantier static uint16_t nvme_fdp_confs(NvmeCtrl *n, uint32_t endgrpid, uint32_t buf_len, 495073064edfSJesper Devantier uint64_t off, NvmeRequest *req) 495173064edfSJesper Devantier { 495273064edfSJesper Devantier uint32_t log_size, trans_len; 495373064edfSJesper Devantier g_autofree uint8_t *buf = NULL; 495473064edfSJesper Devantier NvmeFdpDescrHdr *hdr; 495573064edfSJesper Devantier NvmeRuhDescr *ruhd; 495673064edfSJesper Devantier NvmeEnduranceGroup *endgrp; 495773064edfSJesper Devantier NvmeFdpConfsHdr *log; 495873064edfSJesper Devantier size_t nruh, fdp_descr_size; 495973064edfSJesper Devantier int i; 496073064edfSJesper Devantier 496173064edfSJesper Devantier if (endgrpid != 1 || !n->subsys) { 496273064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 496373064edfSJesper Devantier } 496473064edfSJesper Devantier 496573064edfSJesper Devantier endgrp = &n->subsys->endgrp; 496673064edfSJesper Devantier 496773064edfSJesper Devantier if (endgrp->fdp.enabled) { 496873064edfSJesper Devantier nruh = endgrp->fdp.nruh; 496973064edfSJesper Devantier } else { 497073064edfSJesper Devantier nruh = 1; 497173064edfSJesper Devantier } 497273064edfSJesper Devantier 497373064edfSJesper Devantier fdp_descr_size = sizeof_fdp_conf_descr(nruh, FDPVSS); 497473064edfSJesper Devantier log_size = sizeof(NvmeFdpConfsHdr) + fdp_descr_size; 497573064edfSJesper Devantier 497673064edfSJesper Devantier if (off >= log_size) { 497773064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 497873064edfSJesper Devantier } 497973064edfSJesper Devantier 498073064edfSJesper Devantier trans_len = MIN(log_size - off, buf_len); 498173064edfSJesper Devantier 498273064edfSJesper Devantier buf = g_malloc0(log_size); 498373064edfSJesper Devantier log = (NvmeFdpConfsHdr *)buf; 498473064edfSJesper Devantier hdr = (NvmeFdpDescrHdr *)(log + 1); 498573064edfSJesper Devantier ruhd = (NvmeRuhDescr *)(buf + sizeof(*log) + sizeof(*hdr)); 498673064edfSJesper Devantier 498773064edfSJesper Devantier log->num_confs = cpu_to_le16(0); 498873064edfSJesper Devantier log->size = cpu_to_le32(log_size); 498973064edfSJesper Devantier 499073064edfSJesper Devantier hdr->descr_size = cpu_to_le16(fdp_descr_size); 499173064edfSJesper Devantier if (endgrp->fdp.enabled) { 499273064edfSJesper Devantier hdr->fdpa = FIELD_DP8(hdr->fdpa, FDPA, VALID, 1); 499373064edfSJesper Devantier hdr->fdpa = FIELD_DP8(hdr->fdpa, FDPA, RGIF, endgrp->fdp.rgif); 499473064edfSJesper Devantier hdr->nrg = cpu_to_le16(endgrp->fdp.nrg); 499573064edfSJesper Devantier hdr->nruh = cpu_to_le16(endgrp->fdp.nruh); 499673064edfSJesper Devantier hdr->maxpids = cpu_to_le16(NVME_FDP_MAXPIDS - 1); 499773064edfSJesper Devantier hdr->nnss = cpu_to_le32(NVME_MAX_NAMESPACES); 499873064edfSJesper Devantier hdr->runs = cpu_to_le64(endgrp->fdp.runs); 499973064edfSJesper Devantier 500073064edfSJesper Devantier for (i = 0; i < nruh; i++) { 500173064edfSJesper Devantier ruhd->ruht = NVME_RUHT_INITIALLY_ISOLATED; 500273064edfSJesper Devantier ruhd++; 500373064edfSJesper Devantier } 500473064edfSJesper Devantier } else { 500573064edfSJesper Devantier /* 1 bit for RUH in PIF -> 2 RUHs max. */ 500673064edfSJesper Devantier hdr->nrg = cpu_to_le16(1); 500773064edfSJesper Devantier hdr->nruh = cpu_to_le16(1); 500873064edfSJesper Devantier hdr->maxpids = cpu_to_le16(NVME_FDP_MAXPIDS - 1); 500973064edfSJesper Devantier hdr->nnss = cpu_to_le32(1); 501073064edfSJesper Devantier hdr->runs = cpu_to_le64(96 * MiB); 501173064edfSJesper Devantier 501273064edfSJesper Devantier ruhd->ruht = NVME_RUHT_INITIALLY_ISOLATED; 501373064edfSJesper Devantier } 501473064edfSJesper Devantier 501573064edfSJesper Devantier return nvme_c2h(n, (uint8_t *)buf + off, trans_len, req); 501673064edfSJesper Devantier } 501773064edfSJesper Devantier 501873064edfSJesper Devantier static uint16_t nvme_fdp_ruh_usage(NvmeCtrl *n, uint32_t endgrpid, 501973064edfSJesper Devantier uint32_t dw10, uint32_t dw12, 502073064edfSJesper Devantier uint32_t buf_len, uint64_t off, 502173064edfSJesper Devantier NvmeRequest *req) 502273064edfSJesper Devantier { 502373064edfSJesper Devantier NvmeRuHandle *ruh; 502473064edfSJesper Devantier NvmeRuhuLog *hdr; 502573064edfSJesper Devantier NvmeRuhuDescr *ruhud; 502673064edfSJesper Devantier NvmeEnduranceGroup *endgrp; 502773064edfSJesper Devantier g_autofree uint8_t *buf = NULL; 502873064edfSJesper Devantier uint32_t log_size, trans_len; 502973064edfSJesper Devantier uint16_t i; 503073064edfSJesper Devantier 503173064edfSJesper Devantier if (endgrpid != 1 || !n->subsys) { 503273064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 503373064edfSJesper Devantier } 503473064edfSJesper Devantier 503573064edfSJesper Devantier endgrp = &n->subsys->endgrp; 503673064edfSJesper Devantier 503773064edfSJesper Devantier if (!endgrp->fdp.enabled) { 503873064edfSJesper Devantier return NVME_FDP_DISABLED | NVME_DNR; 503973064edfSJesper Devantier } 504073064edfSJesper Devantier 504173064edfSJesper Devantier log_size = sizeof(NvmeRuhuLog) + endgrp->fdp.nruh * sizeof(NvmeRuhuDescr); 504273064edfSJesper Devantier 504373064edfSJesper Devantier if (off >= log_size) { 504473064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 504573064edfSJesper Devantier } 504673064edfSJesper Devantier 504773064edfSJesper Devantier trans_len = MIN(log_size - off, buf_len); 504873064edfSJesper Devantier 504973064edfSJesper Devantier buf = g_malloc0(log_size); 505073064edfSJesper Devantier hdr = (NvmeRuhuLog *)buf; 505173064edfSJesper Devantier ruhud = (NvmeRuhuDescr *)(hdr + 1); 505273064edfSJesper Devantier 505373064edfSJesper Devantier ruh = endgrp->fdp.ruhs; 505473064edfSJesper Devantier hdr->nruh = cpu_to_le16(endgrp->fdp.nruh); 505573064edfSJesper Devantier 505673064edfSJesper Devantier for (i = 0; i < endgrp->fdp.nruh; i++, ruhud++, ruh++) { 505773064edfSJesper Devantier ruhud->ruha = ruh->ruha; 505873064edfSJesper Devantier } 505973064edfSJesper Devantier 506073064edfSJesper Devantier return nvme_c2h(n, (uint8_t *)buf + off, trans_len, req); 506173064edfSJesper Devantier } 506273064edfSJesper Devantier 506373064edfSJesper Devantier static uint16_t nvme_fdp_stats(NvmeCtrl *n, uint32_t endgrpid, uint32_t buf_len, 506473064edfSJesper Devantier uint64_t off, NvmeRequest *req) 506573064edfSJesper Devantier { 506673064edfSJesper Devantier NvmeEnduranceGroup *endgrp; 506773064edfSJesper Devantier NvmeFdpStatsLog log = {}; 506873064edfSJesper Devantier uint32_t trans_len; 506973064edfSJesper Devantier 507073064edfSJesper Devantier if (off >= sizeof(NvmeFdpStatsLog)) { 507173064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 507273064edfSJesper Devantier } 507373064edfSJesper Devantier 507473064edfSJesper Devantier if (endgrpid != 1 || !n->subsys) { 507573064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 507673064edfSJesper Devantier } 507773064edfSJesper Devantier 507873064edfSJesper Devantier if (!n->subsys->endgrp.fdp.enabled) { 507973064edfSJesper Devantier return NVME_FDP_DISABLED | NVME_DNR; 508073064edfSJesper Devantier } 508173064edfSJesper Devantier 508273064edfSJesper Devantier endgrp = &n->subsys->endgrp; 508373064edfSJesper Devantier 508473064edfSJesper Devantier trans_len = MIN(sizeof(log) - off, buf_len); 508573064edfSJesper Devantier 508673064edfSJesper Devantier /* spec value is 128 bit, we only use 64 bit */ 508773064edfSJesper Devantier log.hbmw[0] = cpu_to_le64(endgrp->fdp.hbmw); 508873064edfSJesper Devantier log.mbmw[0] = cpu_to_le64(endgrp->fdp.mbmw); 508973064edfSJesper Devantier log.mbe[0] = cpu_to_le64(endgrp->fdp.mbe); 509073064edfSJesper Devantier 509173064edfSJesper Devantier return nvme_c2h(n, (uint8_t *)&log + off, trans_len, req); 509273064edfSJesper Devantier } 509373064edfSJesper Devantier 509473064edfSJesper Devantier static uint16_t nvme_fdp_events(NvmeCtrl *n, uint32_t endgrpid, 509573064edfSJesper Devantier uint32_t buf_len, uint64_t off, 509673064edfSJesper Devantier NvmeRequest *req) 509773064edfSJesper Devantier { 509873064edfSJesper Devantier NvmeEnduranceGroup *endgrp; 509973064edfSJesper Devantier NvmeCmd *cmd = &req->cmd; 510073064edfSJesper Devantier bool host_events = (cmd->cdw10 >> 8) & 0x1; 510173064edfSJesper Devantier uint32_t log_size, trans_len; 510273064edfSJesper Devantier NvmeFdpEventBuffer *ebuf; 510373064edfSJesper Devantier g_autofree NvmeFdpEventsLog *elog = NULL; 510473064edfSJesper Devantier NvmeFdpEvent *event; 510573064edfSJesper Devantier 510673064edfSJesper Devantier if (endgrpid != 1 || !n->subsys) { 510773064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 510873064edfSJesper Devantier } 510973064edfSJesper Devantier 511073064edfSJesper Devantier endgrp = &n->subsys->endgrp; 511173064edfSJesper Devantier 511273064edfSJesper Devantier if (!endgrp->fdp.enabled) { 511373064edfSJesper Devantier return NVME_FDP_DISABLED | NVME_DNR; 511473064edfSJesper Devantier } 511573064edfSJesper Devantier 511673064edfSJesper Devantier if (host_events) { 511773064edfSJesper Devantier ebuf = &endgrp->fdp.host_events; 511873064edfSJesper Devantier } else { 511973064edfSJesper Devantier ebuf = &endgrp->fdp.ctrl_events; 512073064edfSJesper Devantier } 512173064edfSJesper Devantier 512273064edfSJesper Devantier log_size = sizeof(NvmeFdpEventsLog) + ebuf->nelems * sizeof(NvmeFdpEvent); 5123*ecb1b7b0SKlaus Jensen 5124*ecb1b7b0SKlaus Jensen if (off >= log_size) { 5125*ecb1b7b0SKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 5126*ecb1b7b0SKlaus Jensen } 5127*ecb1b7b0SKlaus Jensen 512873064edfSJesper Devantier trans_len = MIN(log_size - off, buf_len); 512973064edfSJesper Devantier elog = g_malloc0(log_size); 513073064edfSJesper Devantier elog->num_events = cpu_to_le32(ebuf->nelems); 513173064edfSJesper Devantier event = (NvmeFdpEvent *)(elog + 1); 513273064edfSJesper Devantier 513373064edfSJesper Devantier if (ebuf->nelems && ebuf->start == ebuf->next) { 513473064edfSJesper Devantier unsigned int nelems = (NVME_FDP_MAX_EVENTS - ebuf->start); 513573064edfSJesper Devantier /* wrap over, copy [start;NVME_FDP_MAX_EVENTS[ and [0; next[ */ 513673064edfSJesper Devantier memcpy(event, &ebuf->events[ebuf->start], 513773064edfSJesper Devantier sizeof(NvmeFdpEvent) * nelems); 513873064edfSJesper Devantier memcpy(event + nelems, ebuf->events, 513973064edfSJesper Devantier sizeof(NvmeFdpEvent) * ebuf->next); 514073064edfSJesper Devantier } else if (ebuf->start < ebuf->next) { 514173064edfSJesper Devantier memcpy(event, &ebuf->events[ebuf->start], 514273064edfSJesper Devantier sizeof(NvmeFdpEvent) * (ebuf->next - ebuf->start)); 514373064edfSJesper Devantier } 514473064edfSJesper Devantier 514573064edfSJesper Devantier return nvme_c2h(n, (uint8_t *)elog + off, trans_len, req); 514673064edfSJesper Devantier } 514773064edfSJesper Devantier 514888eea45cSKlaus Jensen static uint16_t nvme_get_log(NvmeCtrl *n, NvmeRequest *req) 514988eea45cSKlaus Jensen { 515088eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 515188eea45cSKlaus Jensen 515288eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 515388eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 515488eea45cSKlaus Jensen uint32_t dw12 = le32_to_cpu(cmd->cdw12); 515588eea45cSKlaus Jensen uint32_t dw13 = le32_to_cpu(cmd->cdw13); 515688eea45cSKlaus Jensen uint8_t lid = dw10 & 0xff; 515788eea45cSKlaus Jensen uint8_t lsp = (dw10 >> 8) & 0xf; 515888eea45cSKlaus Jensen uint8_t rae = (dw10 >> 15) & 0x1; 515988eea45cSKlaus Jensen uint8_t csi = le32_to_cpu(cmd->cdw14) >> 24; 516073064edfSJesper Devantier uint32_t numdl, numdu, lspi; 516188eea45cSKlaus Jensen uint64_t off, lpol, lpou; 516288eea45cSKlaus Jensen size_t len; 516388eea45cSKlaus Jensen uint16_t status; 516488eea45cSKlaus Jensen 516588eea45cSKlaus Jensen numdl = (dw10 >> 16); 516688eea45cSKlaus Jensen numdu = (dw11 & 0xffff); 516773064edfSJesper Devantier lspi = (dw11 >> 16); 516888eea45cSKlaus Jensen lpol = dw12; 516988eea45cSKlaus Jensen lpou = dw13; 517088eea45cSKlaus Jensen 517188eea45cSKlaus Jensen len = (((numdu << 16) | numdl) + 1) << 2; 517288eea45cSKlaus Jensen off = (lpou << 32ULL) | lpol; 517388eea45cSKlaus Jensen 517488eea45cSKlaus Jensen if (off & 0x3) { 517588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 517688eea45cSKlaus Jensen } 517788eea45cSKlaus Jensen 517888eea45cSKlaus Jensen trace_pci_nvme_get_log(nvme_cid(req), lid, lsp, rae, len, off); 517988eea45cSKlaus Jensen 518088eea45cSKlaus Jensen status = nvme_check_mdts(n, len); 518188eea45cSKlaus Jensen if (status) { 518288eea45cSKlaus Jensen return status; 518388eea45cSKlaus Jensen } 518488eea45cSKlaus Jensen 518588eea45cSKlaus Jensen switch (lid) { 518688eea45cSKlaus Jensen case NVME_LOG_ERROR_INFO: 518788eea45cSKlaus Jensen return nvme_error_info(n, rae, len, off, req); 518888eea45cSKlaus Jensen case NVME_LOG_SMART_INFO: 518988eea45cSKlaus Jensen return nvme_smart_info(n, rae, len, off, req); 519088eea45cSKlaus Jensen case NVME_LOG_FW_SLOT_INFO: 519188eea45cSKlaus Jensen return nvme_fw_log_info(n, len, off, req); 519288eea45cSKlaus Jensen case NVME_LOG_CHANGED_NSLIST: 519388eea45cSKlaus Jensen return nvme_changed_nslist(n, rae, len, off, req); 519488eea45cSKlaus Jensen case NVME_LOG_CMD_EFFECTS: 519588eea45cSKlaus Jensen return nvme_cmd_effects(n, csi, len, off, req); 5196771dbc3aSKlaus Jensen case NVME_LOG_ENDGRP: 5197771dbc3aSKlaus Jensen return nvme_endgrp_info(n, rae, len, off, req); 519873064edfSJesper Devantier case NVME_LOG_FDP_CONFS: 519973064edfSJesper Devantier return nvme_fdp_confs(n, lspi, len, off, req); 520073064edfSJesper Devantier case NVME_LOG_FDP_RUH_USAGE: 520173064edfSJesper Devantier return nvme_fdp_ruh_usage(n, lspi, dw10, dw12, len, off, req); 520273064edfSJesper Devantier case NVME_LOG_FDP_STATS: 520373064edfSJesper Devantier return nvme_fdp_stats(n, lspi, len, off, req); 520473064edfSJesper Devantier case NVME_LOG_FDP_EVENTS: 520573064edfSJesper Devantier return nvme_fdp_events(n, lspi, len, off, req); 520688eea45cSKlaus Jensen default: 520788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_log_page(nvme_cid(req), lid); 520888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 520988eea45cSKlaus Jensen } 521088eea45cSKlaus Jensen } 521188eea45cSKlaus Jensen 521288eea45cSKlaus Jensen static void nvme_free_cq(NvmeCQueue *cq, NvmeCtrl *n) 521388eea45cSKlaus Jensen { 521448b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 52152e53b0b4SJinhao Fan uint16_t offset = (cq->cqid << 3) + (1 << 2); 52162e53b0b4SJinhao Fan 521788eea45cSKlaus Jensen n->cq[cq->cqid] = NULL; 5218d38cc6fdSKlaus Jensen qemu_bh_delete(cq->bh); 52192e53b0b4SJinhao Fan if (cq->ioeventfd_enabled) { 52202e53b0b4SJinhao Fan memory_region_del_eventfd(&n->iomem, 52212e53b0b4SJinhao Fan 0x1000 + offset, 4, false, 0, &cq->notifier); 522204e8da88SKlaus Jensen event_notifier_set_handler(&cq->notifier, NULL); 52232e53b0b4SJinhao Fan event_notifier_cleanup(&cq->notifier); 52242e53b0b4SJinhao Fan } 522548b32c28SKlaus Jensen if (msix_enabled(pci)) { 522648b32c28SKlaus Jensen msix_vector_unuse(pci, cq->vector); 522788eea45cSKlaus Jensen } 522888eea45cSKlaus Jensen if (cq->cqid) { 522988eea45cSKlaus Jensen g_free(cq); 523088eea45cSKlaus Jensen } 523188eea45cSKlaus Jensen } 523288eea45cSKlaus Jensen 523388eea45cSKlaus Jensen static uint16_t nvme_del_cq(NvmeCtrl *n, NvmeRequest *req) 523488eea45cSKlaus Jensen { 523588eea45cSKlaus Jensen NvmeDeleteQ *c = (NvmeDeleteQ *)&req->cmd; 523688eea45cSKlaus Jensen NvmeCQueue *cq; 523788eea45cSKlaus Jensen uint16_t qid = le16_to_cpu(c->qid); 523888eea45cSKlaus Jensen 523988eea45cSKlaus Jensen if (unlikely(!qid || nvme_check_cqid(n, qid))) { 524088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_cq_cqid(qid); 524188eea45cSKlaus Jensen return NVME_INVALID_CQID | NVME_DNR; 524288eea45cSKlaus Jensen } 524388eea45cSKlaus Jensen 524488eea45cSKlaus Jensen cq = n->cq[qid]; 524588eea45cSKlaus Jensen if (unlikely(!QTAILQ_EMPTY(&cq->sq_list))) { 524688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_cq_notempty(qid); 524788eea45cSKlaus Jensen return NVME_INVALID_QUEUE_DEL; 524888eea45cSKlaus Jensen } 524983d7ed5cSKlaus Jensen 525083d7ed5cSKlaus Jensen if (cq->irq_enabled && cq->tail != cq->head) { 525183d7ed5cSKlaus Jensen n->cq_pending--; 525283d7ed5cSKlaus Jensen } 525383d7ed5cSKlaus Jensen 525488eea45cSKlaus Jensen nvme_irq_deassert(n, cq); 525588eea45cSKlaus Jensen trace_pci_nvme_del_cq(qid); 525688eea45cSKlaus Jensen nvme_free_cq(cq, n); 525788eea45cSKlaus Jensen return NVME_SUCCESS; 525888eea45cSKlaus Jensen } 525988eea45cSKlaus Jensen 526088eea45cSKlaus Jensen static void nvme_init_cq(NvmeCQueue *cq, NvmeCtrl *n, uint64_t dma_addr, 526188eea45cSKlaus Jensen uint16_t cqid, uint16_t vector, uint16_t size, 526288eea45cSKlaus Jensen uint16_t irq_enabled) 526388eea45cSKlaus Jensen { 526448b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 526548b32c28SKlaus Jensen 526648b32c28SKlaus Jensen if (msix_enabled(pci)) { 526748b32c28SKlaus Jensen msix_vector_use(pci, vector); 526888eea45cSKlaus Jensen } 526988eea45cSKlaus Jensen cq->ctrl = n; 527088eea45cSKlaus Jensen cq->cqid = cqid; 527188eea45cSKlaus Jensen cq->size = size; 527288eea45cSKlaus Jensen cq->dma_addr = dma_addr; 527388eea45cSKlaus Jensen cq->phase = 1; 527488eea45cSKlaus Jensen cq->irq_enabled = irq_enabled; 527588eea45cSKlaus Jensen cq->vector = vector; 527688eea45cSKlaus Jensen cq->head = cq->tail = 0; 527788eea45cSKlaus Jensen QTAILQ_INIT(&cq->req_list); 527888eea45cSKlaus Jensen QTAILQ_INIT(&cq->sq_list); 52793f7fe8deSJinhao Fan if (n->dbbuf_enabled) { 52803f7fe8deSJinhao Fan cq->db_addr = n->dbbuf_dbs + (cqid << 3) + (1 << 2); 52813f7fe8deSJinhao Fan cq->ei_addr = n->dbbuf_eis + (cqid << 3) + (1 << 2); 52822e53b0b4SJinhao Fan 52832e53b0b4SJinhao Fan if (n->params.ioeventfd && cqid != 0) { 52842e53b0b4SJinhao Fan if (!nvme_init_cq_ioeventfd(cq)) { 52852e53b0b4SJinhao Fan cq->ioeventfd_enabled = true; 52862e53b0b4SJinhao Fan } 52872e53b0b4SJinhao Fan } 52883f7fe8deSJinhao Fan } 528988eea45cSKlaus Jensen n->cq[cqid] = cq; 5290f63192b0SAlexander Bulekov cq->bh = qemu_bh_new_guarded(nvme_post_cqes, cq, 5291f63192b0SAlexander Bulekov &DEVICE(cq->ctrl)->mem_reentrancy_guard); 529288eea45cSKlaus Jensen } 529388eea45cSKlaus Jensen 529488eea45cSKlaus Jensen static uint16_t nvme_create_cq(NvmeCtrl *n, NvmeRequest *req) 529588eea45cSKlaus Jensen { 529688eea45cSKlaus Jensen NvmeCQueue *cq; 529788eea45cSKlaus Jensen NvmeCreateCq *c = (NvmeCreateCq *)&req->cmd; 529888eea45cSKlaus Jensen uint16_t cqid = le16_to_cpu(c->cqid); 529988eea45cSKlaus Jensen uint16_t vector = le16_to_cpu(c->irq_vector); 530088eea45cSKlaus Jensen uint16_t qsize = le16_to_cpu(c->qsize); 530188eea45cSKlaus Jensen uint16_t qflags = le16_to_cpu(c->cq_flags); 530288eea45cSKlaus Jensen uint64_t prp1 = le64_to_cpu(c->prp1); 530388eea45cSKlaus Jensen 530488eea45cSKlaus Jensen trace_pci_nvme_create_cq(prp1, cqid, vector, qsize, qflags, 530588eea45cSKlaus Jensen NVME_CQ_FLAGS_IEN(qflags) != 0); 530688eea45cSKlaus Jensen 5307decc0261SŁukasz Gieryk if (unlikely(!cqid || cqid > n->conf_ioqpairs || n->cq[cqid] != NULL)) { 530888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_cqid(cqid); 530988eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 531088eea45cSKlaus Jensen } 531149e03457SKlaus Jensen if (unlikely(!qsize || qsize > NVME_CAP_MQES(ldq_le_p(&n->bar.cap)))) { 531288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_size(qsize); 531388eea45cSKlaus Jensen return NVME_MAX_QSIZE_EXCEEDED | NVME_DNR; 531488eea45cSKlaus Jensen } 531588eea45cSKlaus Jensen if (unlikely(prp1 & (n->page_size - 1))) { 531688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_addr(prp1); 531788eea45cSKlaus Jensen return NVME_INVALID_PRP_OFFSET | NVME_DNR; 531888eea45cSKlaus Jensen } 531948b32c28SKlaus Jensen if (unlikely(!msix_enabled(PCI_DEVICE(n)) && vector)) { 532088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_vector(vector); 532188eea45cSKlaus Jensen return NVME_INVALID_IRQ_VECTOR | NVME_DNR; 532288eea45cSKlaus Jensen } 5323decc0261SŁukasz Gieryk if (unlikely(vector >= n->conf_msix_qsize)) { 532488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_vector(vector); 532588eea45cSKlaus Jensen return NVME_INVALID_IRQ_VECTOR | NVME_DNR; 532688eea45cSKlaus Jensen } 532788eea45cSKlaus Jensen if (unlikely(!(NVME_CQ_FLAGS_PC(qflags)))) { 532888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_qflags(NVME_CQ_FLAGS_PC(qflags)); 532988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 533088eea45cSKlaus Jensen } 533188eea45cSKlaus Jensen 533288eea45cSKlaus Jensen cq = g_malloc0(sizeof(*cq)); 533388eea45cSKlaus Jensen nvme_init_cq(cq, n, prp1, cqid, vector, qsize + 1, 533488eea45cSKlaus Jensen NVME_CQ_FLAGS_IEN(qflags)); 533588eea45cSKlaus Jensen 533688eea45cSKlaus Jensen /* 533788eea45cSKlaus Jensen * It is only required to set qs_created when creating a completion queue; 533888eea45cSKlaus Jensen * creating a submission queue without a matching completion queue will 533988eea45cSKlaus Jensen * fail. 534088eea45cSKlaus Jensen */ 534188eea45cSKlaus Jensen n->qs_created = true; 534288eea45cSKlaus Jensen return NVME_SUCCESS; 534388eea45cSKlaus Jensen } 534488eea45cSKlaus Jensen 534588eea45cSKlaus Jensen static uint16_t nvme_rpt_empty_id_struct(NvmeCtrl *n, NvmeRequest *req) 534688eea45cSKlaus Jensen { 534788eea45cSKlaus Jensen uint8_t id[NVME_IDENTIFY_DATA_SIZE] = {}; 534888eea45cSKlaus Jensen 534988eea45cSKlaus Jensen return nvme_c2h(n, id, sizeof(id), req); 535088eea45cSKlaus Jensen } 535188eea45cSKlaus Jensen 535288eea45cSKlaus Jensen static uint16_t nvme_identify_ctrl(NvmeCtrl *n, NvmeRequest *req) 535388eea45cSKlaus Jensen { 535488eea45cSKlaus Jensen trace_pci_nvme_identify_ctrl(); 535588eea45cSKlaus Jensen 535688eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&n->id_ctrl, sizeof(n->id_ctrl), req); 535788eea45cSKlaus Jensen } 535888eea45cSKlaus Jensen 535988eea45cSKlaus Jensen static uint16_t nvme_identify_ctrl_csi(NvmeCtrl *n, NvmeRequest *req) 536088eea45cSKlaus Jensen { 536188eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 536288eea45cSKlaus Jensen uint8_t id[NVME_IDENTIFY_DATA_SIZE] = {}; 536388eea45cSKlaus Jensen NvmeIdCtrlNvm *id_nvm = (NvmeIdCtrlNvm *)&id; 536488eea45cSKlaus Jensen 536588eea45cSKlaus Jensen trace_pci_nvme_identify_ctrl_csi(c->csi); 536688eea45cSKlaus Jensen 536788eea45cSKlaus Jensen switch (c->csi) { 536888eea45cSKlaus Jensen case NVME_CSI_NVM: 536988eea45cSKlaus Jensen id_nvm->vsl = n->params.vsl; 537088eea45cSKlaus Jensen id_nvm->dmrsl = cpu_to_le32(n->dmrsl); 537188eea45cSKlaus Jensen break; 537288eea45cSKlaus Jensen 537388eea45cSKlaus Jensen case NVME_CSI_ZONED: 537488eea45cSKlaus Jensen ((NvmeIdCtrlZoned *)&id)->zasl = n->params.zasl; 537588eea45cSKlaus Jensen break; 537688eea45cSKlaus Jensen 537788eea45cSKlaus Jensen default: 537888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 537988eea45cSKlaus Jensen } 538088eea45cSKlaus Jensen 538188eea45cSKlaus Jensen return nvme_c2h(n, id, sizeof(id), req); 538288eea45cSKlaus Jensen } 538388eea45cSKlaus Jensen 538488eea45cSKlaus Jensen static uint16_t nvme_identify_ns(NvmeCtrl *n, NvmeRequest *req, bool active) 538588eea45cSKlaus Jensen { 538688eea45cSKlaus Jensen NvmeNamespace *ns; 538788eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 538888eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 538988eea45cSKlaus Jensen 539088eea45cSKlaus Jensen trace_pci_nvme_identify_ns(nsid); 539188eea45cSKlaus Jensen 539288eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 539388eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 539488eea45cSKlaus Jensen } 539588eea45cSKlaus Jensen 539688eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 539788eea45cSKlaus Jensen if (unlikely(!ns)) { 539888eea45cSKlaus Jensen if (!active) { 539988eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 540088eea45cSKlaus Jensen if (!ns) { 540188eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 540288eea45cSKlaus Jensen } 540388eea45cSKlaus Jensen } else { 540488eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 540588eea45cSKlaus Jensen } 540688eea45cSKlaus Jensen } 540788eea45cSKlaus Jensen 54083553c48fSGollu Appalanaidu if (active || ns->csi == NVME_CSI_NVM) { 540988eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&ns->id_ns, sizeof(NvmeIdNs), req); 541088eea45cSKlaus Jensen } 541188eea45cSKlaus Jensen 541288eea45cSKlaus Jensen return NVME_INVALID_CMD_SET | NVME_DNR; 541388eea45cSKlaus Jensen } 541488eea45cSKlaus Jensen 54155f4eb94dSGollu Appalanaidu static uint16_t nvme_identify_ctrl_list(NvmeCtrl *n, NvmeRequest *req, 54165f4eb94dSGollu Appalanaidu bool attached) 541788eea45cSKlaus Jensen { 541888eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 54195f4eb94dSGollu Appalanaidu uint32_t nsid = le32_to_cpu(c->nsid); 542088eea45cSKlaus Jensen uint16_t min_id = le16_to_cpu(c->ctrlid); 542188eea45cSKlaus Jensen uint16_t list[NVME_CONTROLLER_LIST_SIZE] = {}; 542288eea45cSKlaus Jensen uint16_t *ids = &list[1]; 542388eea45cSKlaus Jensen NvmeNamespace *ns; 542488eea45cSKlaus Jensen NvmeCtrl *ctrl; 542588eea45cSKlaus Jensen int cntlid, nr_ids = 0; 542688eea45cSKlaus Jensen 54275f4eb94dSGollu Appalanaidu trace_pci_nvme_identify_ctrl_list(c->cns, min_id); 542888eea45cSKlaus Jensen 54295f4eb94dSGollu Appalanaidu if (!n->subsys) { 543088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 543188eea45cSKlaus Jensen } 543288eea45cSKlaus Jensen 54335f4eb94dSGollu Appalanaidu if (attached) { 54345f4eb94dSGollu Appalanaidu if (nsid == NVME_NSID_BROADCAST) { 54355f4eb94dSGollu Appalanaidu return NVME_INVALID_FIELD | NVME_DNR; 54365f4eb94dSGollu Appalanaidu } 54375f4eb94dSGollu Appalanaidu 54385f4eb94dSGollu Appalanaidu ns = nvme_subsys_ns(n->subsys, nsid); 543988eea45cSKlaus Jensen if (!ns) { 544088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 544188eea45cSKlaus Jensen } 54425f4eb94dSGollu Appalanaidu } 544388eea45cSKlaus Jensen 544488eea45cSKlaus Jensen for (cntlid = min_id; cntlid < ARRAY_SIZE(n->subsys->ctrls); cntlid++) { 544588eea45cSKlaus Jensen ctrl = nvme_subsys_ctrl(n->subsys, cntlid); 544688eea45cSKlaus Jensen if (!ctrl) { 544788eea45cSKlaus Jensen continue; 544888eea45cSKlaus Jensen } 544988eea45cSKlaus Jensen 54505f4eb94dSGollu Appalanaidu if (attached && !nvme_ns(ctrl, nsid)) { 545188eea45cSKlaus Jensen continue; 545288eea45cSKlaus Jensen } 545388eea45cSKlaus Jensen 545488eea45cSKlaus Jensen ids[nr_ids++] = cntlid; 545588eea45cSKlaus Jensen } 545688eea45cSKlaus Jensen 545788eea45cSKlaus Jensen list[0] = nr_ids; 545888eea45cSKlaus Jensen 545988eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)list, sizeof(list), req); 546088eea45cSKlaus Jensen } 546188eea45cSKlaus Jensen 54625e6f963fSLukasz Maniak static uint16_t nvme_identify_pri_ctrl_cap(NvmeCtrl *n, NvmeRequest *req) 54635e6f963fSLukasz Maniak { 54645e6f963fSLukasz Maniak trace_pci_nvme_identify_pri_ctrl_cap(le16_to_cpu(n->pri_ctrl_cap.cntlid)); 54655e6f963fSLukasz Maniak 54665e6f963fSLukasz Maniak return nvme_c2h(n, (uint8_t *)&n->pri_ctrl_cap, 54675e6f963fSLukasz Maniak sizeof(NvmePriCtrlCap), req); 54685e6f963fSLukasz Maniak } 54695e6f963fSLukasz Maniak 547099f48ae7SLukasz Maniak static uint16_t nvme_identify_sec_ctrl_list(NvmeCtrl *n, NvmeRequest *req) 547199f48ae7SLukasz Maniak { 547299f48ae7SLukasz Maniak NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 547399f48ae7SLukasz Maniak uint16_t pri_ctrl_id = le16_to_cpu(n->pri_ctrl_cap.cntlid); 547499f48ae7SLukasz Maniak uint16_t min_id = le16_to_cpu(c->ctrlid); 547599f48ae7SLukasz Maniak uint8_t num_sec_ctrl = n->sec_ctrl_list.numcntl; 547699f48ae7SLukasz Maniak NvmeSecCtrlList list = {0}; 547799f48ae7SLukasz Maniak uint8_t i; 547899f48ae7SLukasz Maniak 547999f48ae7SLukasz Maniak for (i = 0; i < num_sec_ctrl; i++) { 548099f48ae7SLukasz Maniak if (n->sec_ctrl_list.sec[i].scid >= min_id) { 548199f48ae7SLukasz Maniak list.numcntl = num_sec_ctrl - i; 548299f48ae7SLukasz Maniak memcpy(&list.sec, n->sec_ctrl_list.sec + i, 548399f48ae7SLukasz Maniak list.numcntl * sizeof(NvmeSecCtrlEntry)); 548499f48ae7SLukasz Maniak break; 548599f48ae7SLukasz Maniak } 548699f48ae7SLukasz Maniak } 548799f48ae7SLukasz Maniak 548899f48ae7SLukasz Maniak trace_pci_nvme_identify_sec_ctrl_list(pri_ctrl_id, list.numcntl); 548999f48ae7SLukasz Maniak 549099f48ae7SLukasz Maniak return nvme_c2h(n, (uint8_t *)&list, sizeof(list), req); 549199f48ae7SLukasz Maniak } 549299f48ae7SLukasz Maniak 549388eea45cSKlaus Jensen static uint16_t nvme_identify_ns_csi(NvmeCtrl *n, NvmeRequest *req, 549488eea45cSKlaus Jensen bool active) 549588eea45cSKlaus Jensen { 549688eea45cSKlaus Jensen NvmeNamespace *ns; 549788eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 549888eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 549988eea45cSKlaus Jensen 550088eea45cSKlaus Jensen trace_pci_nvme_identify_ns_csi(nsid, c->csi); 550188eea45cSKlaus Jensen 550288eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 550388eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 550488eea45cSKlaus Jensen } 550588eea45cSKlaus Jensen 550688eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 550788eea45cSKlaus Jensen if (unlikely(!ns)) { 550888eea45cSKlaus Jensen if (!active) { 550988eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 551088eea45cSKlaus Jensen if (!ns) { 551188eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 551288eea45cSKlaus Jensen } 551388eea45cSKlaus Jensen } else { 551488eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 551588eea45cSKlaus Jensen } 551688eea45cSKlaus Jensen } 551788eea45cSKlaus Jensen 55183553c48fSGollu Appalanaidu if (c->csi == NVME_CSI_NVM) { 551944219b60SNaveen Nagar return nvme_c2h(n, (uint8_t *)&ns->id_ns_nvm, sizeof(NvmeIdNsNvm), 552044219b60SNaveen Nagar req); 552188eea45cSKlaus Jensen } else if (c->csi == NVME_CSI_ZONED && ns->csi == NVME_CSI_ZONED) { 552288eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)ns->id_ns_zoned, sizeof(NvmeIdNsZoned), 552388eea45cSKlaus Jensen req); 552488eea45cSKlaus Jensen } 552588eea45cSKlaus Jensen 552688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 552788eea45cSKlaus Jensen } 552888eea45cSKlaus Jensen 552988eea45cSKlaus Jensen static uint16_t nvme_identify_nslist(NvmeCtrl *n, NvmeRequest *req, 553088eea45cSKlaus Jensen bool active) 553188eea45cSKlaus Jensen { 553288eea45cSKlaus Jensen NvmeNamespace *ns; 553388eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 553488eea45cSKlaus Jensen uint32_t min_nsid = le32_to_cpu(c->nsid); 553588eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 553688eea45cSKlaus Jensen static const int data_len = sizeof(list); 553788eea45cSKlaus Jensen uint32_t *list_ptr = (uint32_t *)list; 553888eea45cSKlaus Jensen int i, j = 0; 553988eea45cSKlaus Jensen 554088eea45cSKlaus Jensen trace_pci_nvme_identify_nslist(min_nsid); 554188eea45cSKlaus Jensen 554288eea45cSKlaus Jensen /* 554388eea45cSKlaus Jensen * Both FFFFFFFFh (NVME_NSID_BROADCAST) and FFFFFFFFEh are invalid values 554488eea45cSKlaus Jensen * since the Active Namespace ID List should return namespaces with ids 554588eea45cSKlaus Jensen * *higher* than the NSID specified in the command. This is also specified 554688eea45cSKlaus Jensen * in the spec (NVM Express v1.3d, Section 5.15.4). 554788eea45cSKlaus Jensen */ 554888eea45cSKlaus Jensen if (min_nsid >= NVME_NSID_BROADCAST - 1) { 554988eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 555088eea45cSKlaus Jensen } 555188eea45cSKlaus Jensen 555288eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 555388eea45cSKlaus Jensen ns = nvme_ns(n, i); 555488eea45cSKlaus Jensen if (!ns) { 555588eea45cSKlaus Jensen if (!active) { 555688eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, i); 555788eea45cSKlaus Jensen if (!ns) { 555888eea45cSKlaus Jensen continue; 555988eea45cSKlaus Jensen } 556088eea45cSKlaus Jensen } else { 556188eea45cSKlaus Jensen continue; 556288eea45cSKlaus Jensen } 556388eea45cSKlaus Jensen } 556488eea45cSKlaus Jensen if (ns->params.nsid <= min_nsid) { 556588eea45cSKlaus Jensen continue; 556688eea45cSKlaus Jensen } 556788eea45cSKlaus Jensen list_ptr[j++] = cpu_to_le32(ns->params.nsid); 556888eea45cSKlaus Jensen if (j == data_len / sizeof(uint32_t)) { 556988eea45cSKlaus Jensen break; 557088eea45cSKlaus Jensen } 557188eea45cSKlaus Jensen } 557288eea45cSKlaus Jensen 557388eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 557488eea45cSKlaus Jensen } 557588eea45cSKlaus Jensen 557688eea45cSKlaus Jensen static uint16_t nvme_identify_nslist_csi(NvmeCtrl *n, NvmeRequest *req, 557788eea45cSKlaus Jensen bool active) 557888eea45cSKlaus Jensen { 557988eea45cSKlaus Jensen NvmeNamespace *ns; 558088eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 558188eea45cSKlaus Jensen uint32_t min_nsid = le32_to_cpu(c->nsid); 558288eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 558388eea45cSKlaus Jensen static const int data_len = sizeof(list); 558488eea45cSKlaus Jensen uint32_t *list_ptr = (uint32_t *)list; 558588eea45cSKlaus Jensen int i, j = 0; 558688eea45cSKlaus Jensen 558788eea45cSKlaus Jensen trace_pci_nvme_identify_nslist_csi(min_nsid, c->csi); 558888eea45cSKlaus Jensen 558988eea45cSKlaus Jensen /* 559088eea45cSKlaus Jensen * Same as in nvme_identify_nslist(), FFFFFFFFh/FFFFFFFFEh are invalid. 559188eea45cSKlaus Jensen */ 559288eea45cSKlaus Jensen if (min_nsid >= NVME_NSID_BROADCAST - 1) { 559388eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 559488eea45cSKlaus Jensen } 559588eea45cSKlaus Jensen 559688eea45cSKlaus Jensen if (c->csi != NVME_CSI_NVM && c->csi != NVME_CSI_ZONED) { 559788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 559888eea45cSKlaus Jensen } 559988eea45cSKlaus Jensen 560088eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 560188eea45cSKlaus Jensen ns = nvme_ns(n, i); 560288eea45cSKlaus Jensen if (!ns) { 560388eea45cSKlaus Jensen if (!active) { 560488eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, i); 560588eea45cSKlaus Jensen if (!ns) { 560688eea45cSKlaus Jensen continue; 560788eea45cSKlaus Jensen } 560888eea45cSKlaus Jensen } else { 560988eea45cSKlaus Jensen continue; 561088eea45cSKlaus Jensen } 561188eea45cSKlaus Jensen } 561288eea45cSKlaus Jensen if (ns->params.nsid <= min_nsid || c->csi != ns->csi) { 561388eea45cSKlaus Jensen continue; 561488eea45cSKlaus Jensen } 561588eea45cSKlaus Jensen list_ptr[j++] = cpu_to_le32(ns->params.nsid); 561688eea45cSKlaus Jensen if (j == data_len / sizeof(uint32_t)) { 561788eea45cSKlaus Jensen break; 561888eea45cSKlaus Jensen } 561988eea45cSKlaus Jensen } 562088eea45cSKlaus Jensen 562188eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 562288eea45cSKlaus Jensen } 562388eea45cSKlaus Jensen 562488eea45cSKlaus Jensen static uint16_t nvme_identify_ns_descr_list(NvmeCtrl *n, NvmeRequest *req) 562588eea45cSKlaus Jensen { 562688eea45cSKlaus Jensen NvmeNamespace *ns; 562788eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 562888eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 562988eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 56306870cfb8SHeinrich Schuchardt uint8_t *pos = list; 563188eea45cSKlaus Jensen struct { 563288eea45cSKlaus Jensen NvmeIdNsDescr hdr; 563388eea45cSKlaus Jensen uint8_t v[NVME_NIDL_UUID]; 56345f4884c4SKlaus Jensen } QEMU_PACKED uuid = {}; 56356870cfb8SHeinrich Schuchardt struct { 56366870cfb8SHeinrich Schuchardt NvmeIdNsDescr hdr; 56376870cfb8SHeinrich Schuchardt uint64_t v; 56385f4884c4SKlaus Jensen } QEMU_PACKED eui64 = {}; 563988eea45cSKlaus Jensen struct { 564088eea45cSKlaus Jensen NvmeIdNsDescr hdr; 564188eea45cSKlaus Jensen uint8_t v; 56425f4884c4SKlaus Jensen } QEMU_PACKED csi = {}; 564388eea45cSKlaus Jensen 564488eea45cSKlaus Jensen trace_pci_nvme_identify_ns_descr_list(nsid); 564588eea45cSKlaus Jensen 564688eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 564788eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 564888eea45cSKlaus Jensen } 564988eea45cSKlaus Jensen 565088eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 565188eea45cSKlaus Jensen if (unlikely(!ns)) { 565288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 565388eea45cSKlaus Jensen } 565488eea45cSKlaus Jensen 56559f2e1acfSKlaus Jensen if (!qemu_uuid_is_null(&ns->params.uuid)) { 56566870cfb8SHeinrich Schuchardt uuid.hdr.nidt = NVME_NIDT_UUID; 56576870cfb8SHeinrich Schuchardt uuid.hdr.nidl = NVME_NIDL_UUID; 56586870cfb8SHeinrich Schuchardt memcpy(uuid.v, ns->params.uuid.data, NVME_NIDL_UUID); 56596870cfb8SHeinrich Schuchardt memcpy(pos, &uuid, sizeof(uuid)); 56606870cfb8SHeinrich Schuchardt pos += sizeof(uuid); 56619f2e1acfSKlaus Jensen } 566288eea45cSKlaus Jensen 56636870cfb8SHeinrich Schuchardt if (ns->params.eui64) { 56646870cfb8SHeinrich Schuchardt eui64.hdr.nidt = NVME_NIDT_EUI64; 56656870cfb8SHeinrich Schuchardt eui64.hdr.nidl = NVME_NIDL_EUI64; 56666870cfb8SHeinrich Schuchardt eui64.v = cpu_to_be64(ns->params.eui64); 56676870cfb8SHeinrich Schuchardt memcpy(pos, &eui64, sizeof(eui64)); 56686870cfb8SHeinrich Schuchardt pos += sizeof(eui64); 56696870cfb8SHeinrich Schuchardt } 56706870cfb8SHeinrich Schuchardt 56716870cfb8SHeinrich Schuchardt csi.hdr.nidt = NVME_NIDT_CSI; 56726870cfb8SHeinrich Schuchardt csi.hdr.nidl = NVME_NIDL_CSI; 56736870cfb8SHeinrich Schuchardt csi.v = ns->csi; 56746870cfb8SHeinrich Schuchardt memcpy(pos, &csi, sizeof(csi)); 56756870cfb8SHeinrich Schuchardt pos += sizeof(csi); 567688eea45cSKlaus Jensen 567788eea45cSKlaus Jensen return nvme_c2h(n, list, sizeof(list), req); 567888eea45cSKlaus Jensen } 567988eea45cSKlaus Jensen 568088eea45cSKlaus Jensen static uint16_t nvme_identify_cmd_set(NvmeCtrl *n, NvmeRequest *req) 568188eea45cSKlaus Jensen { 568288eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 568388eea45cSKlaus Jensen static const int data_len = sizeof(list); 568488eea45cSKlaus Jensen 568588eea45cSKlaus Jensen trace_pci_nvme_identify_cmd_set(); 568688eea45cSKlaus Jensen 568788eea45cSKlaus Jensen NVME_SET_CSI(*list, NVME_CSI_NVM); 568888eea45cSKlaus Jensen NVME_SET_CSI(*list, NVME_CSI_ZONED); 568988eea45cSKlaus Jensen 569088eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 569188eea45cSKlaus Jensen } 569288eea45cSKlaus Jensen 569388eea45cSKlaus Jensen static uint16_t nvme_identify(NvmeCtrl *n, NvmeRequest *req) 569488eea45cSKlaus Jensen { 569588eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 569688eea45cSKlaus Jensen 569788eea45cSKlaus Jensen trace_pci_nvme_identify(nvme_cid(req), c->cns, le16_to_cpu(c->ctrlid), 569888eea45cSKlaus Jensen c->csi); 569988eea45cSKlaus Jensen 570088eea45cSKlaus Jensen switch (c->cns) { 570188eea45cSKlaus Jensen case NVME_ID_CNS_NS: 570288eea45cSKlaus Jensen return nvme_identify_ns(n, req, true); 570388eea45cSKlaus Jensen case NVME_ID_CNS_NS_PRESENT: 570488eea45cSKlaus Jensen return nvme_identify_ns(n, req, false); 570588eea45cSKlaus Jensen case NVME_ID_CNS_NS_ATTACHED_CTRL_LIST: 57065f4eb94dSGollu Appalanaidu return nvme_identify_ctrl_list(n, req, true); 57075f4eb94dSGollu Appalanaidu case NVME_ID_CNS_CTRL_LIST: 57085f4eb94dSGollu Appalanaidu return nvme_identify_ctrl_list(n, req, false); 57095e6f963fSLukasz Maniak case NVME_ID_CNS_PRIMARY_CTRL_CAP: 57105e6f963fSLukasz Maniak return nvme_identify_pri_ctrl_cap(n, req); 571199f48ae7SLukasz Maniak case NVME_ID_CNS_SECONDARY_CTRL_LIST: 571299f48ae7SLukasz Maniak return nvme_identify_sec_ctrl_list(n, req); 571388eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS: 571488eea45cSKlaus Jensen return nvme_identify_ns_csi(n, req, true); 571588eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_PRESENT: 571688eea45cSKlaus Jensen return nvme_identify_ns_csi(n, req, false); 571788eea45cSKlaus Jensen case NVME_ID_CNS_CTRL: 571888eea45cSKlaus Jensen return nvme_identify_ctrl(n, req); 571988eea45cSKlaus Jensen case NVME_ID_CNS_CS_CTRL: 572088eea45cSKlaus Jensen return nvme_identify_ctrl_csi(n, req); 572188eea45cSKlaus Jensen case NVME_ID_CNS_NS_ACTIVE_LIST: 572288eea45cSKlaus Jensen return nvme_identify_nslist(n, req, true); 572388eea45cSKlaus Jensen case NVME_ID_CNS_NS_PRESENT_LIST: 572488eea45cSKlaus Jensen return nvme_identify_nslist(n, req, false); 572588eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_ACTIVE_LIST: 572688eea45cSKlaus Jensen return nvme_identify_nslist_csi(n, req, true); 572788eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_PRESENT_LIST: 572888eea45cSKlaus Jensen return nvme_identify_nslist_csi(n, req, false); 572988eea45cSKlaus Jensen case NVME_ID_CNS_NS_DESCR_LIST: 573088eea45cSKlaus Jensen return nvme_identify_ns_descr_list(n, req); 573188eea45cSKlaus Jensen case NVME_ID_CNS_IO_COMMAND_SET: 573288eea45cSKlaus Jensen return nvme_identify_cmd_set(n, req); 573388eea45cSKlaus Jensen default: 573488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_identify_cns(le32_to_cpu(c->cns)); 573588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 573688eea45cSKlaus Jensen } 573788eea45cSKlaus Jensen } 573888eea45cSKlaus Jensen 573988eea45cSKlaus Jensen static uint16_t nvme_abort(NvmeCtrl *n, NvmeRequest *req) 574088eea45cSKlaus Jensen { 574188eea45cSKlaus Jensen uint16_t sqid = le32_to_cpu(req->cmd.cdw10) & 0xffff; 574288eea45cSKlaus Jensen 574388eea45cSKlaus Jensen req->cqe.result = 1; 574488eea45cSKlaus Jensen if (nvme_check_sqid(n, sqid)) { 574588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 574688eea45cSKlaus Jensen } 574788eea45cSKlaus Jensen 574888eea45cSKlaus Jensen return NVME_SUCCESS; 574988eea45cSKlaus Jensen } 575088eea45cSKlaus Jensen 575188eea45cSKlaus Jensen static inline void nvme_set_timestamp(NvmeCtrl *n, uint64_t ts) 575288eea45cSKlaus Jensen { 575388eea45cSKlaus Jensen trace_pci_nvme_setfeat_timestamp(ts); 575488eea45cSKlaus Jensen 575588eea45cSKlaus Jensen n->host_timestamp = le64_to_cpu(ts); 575688eea45cSKlaus Jensen n->timestamp_set_qemu_clock_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 575788eea45cSKlaus Jensen } 575888eea45cSKlaus Jensen 575988eea45cSKlaus Jensen static inline uint64_t nvme_get_timestamp(const NvmeCtrl *n) 576088eea45cSKlaus Jensen { 576188eea45cSKlaus Jensen uint64_t current_time = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 576288eea45cSKlaus Jensen uint64_t elapsed_time = current_time - n->timestamp_set_qemu_clock_ms; 576388eea45cSKlaus Jensen 576488eea45cSKlaus Jensen union nvme_timestamp { 576588eea45cSKlaus Jensen struct { 576688eea45cSKlaus Jensen uint64_t timestamp:48; 576788eea45cSKlaus Jensen uint64_t sync:1; 576888eea45cSKlaus Jensen uint64_t origin:3; 576988eea45cSKlaus Jensen uint64_t rsvd1:12; 577088eea45cSKlaus Jensen }; 577188eea45cSKlaus Jensen uint64_t all; 577288eea45cSKlaus Jensen }; 577388eea45cSKlaus Jensen 577488eea45cSKlaus Jensen union nvme_timestamp ts; 577588eea45cSKlaus Jensen ts.all = 0; 577688eea45cSKlaus Jensen ts.timestamp = n->host_timestamp + elapsed_time; 577788eea45cSKlaus Jensen 577888eea45cSKlaus Jensen /* If the host timestamp is non-zero, set the timestamp origin */ 577988eea45cSKlaus Jensen ts.origin = n->host_timestamp ? 0x01 : 0x00; 578088eea45cSKlaus Jensen 578188eea45cSKlaus Jensen trace_pci_nvme_getfeat_timestamp(ts.all); 578288eea45cSKlaus Jensen 578388eea45cSKlaus Jensen return cpu_to_le64(ts.all); 578488eea45cSKlaus Jensen } 578588eea45cSKlaus Jensen 578688eea45cSKlaus Jensen static uint16_t nvme_get_feature_timestamp(NvmeCtrl *n, NvmeRequest *req) 578788eea45cSKlaus Jensen { 578888eea45cSKlaus Jensen uint64_t timestamp = nvme_get_timestamp(n); 578988eea45cSKlaus Jensen 579088eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)×tamp, sizeof(timestamp), req); 579188eea45cSKlaus Jensen } 579288eea45cSKlaus Jensen 579373064edfSJesper Devantier static int nvme_get_feature_fdp(NvmeCtrl *n, uint32_t endgrpid, 579473064edfSJesper Devantier uint32_t *result) 579573064edfSJesper Devantier { 579673064edfSJesper Devantier *result = 0; 579773064edfSJesper Devantier 579873064edfSJesper Devantier if (!n->subsys || !n->subsys->endgrp.fdp.enabled) { 579973064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 580073064edfSJesper Devantier } 580173064edfSJesper Devantier 580273064edfSJesper Devantier *result = FIELD_DP16(0, FEAT_FDP, FDPE, 1); 580373064edfSJesper Devantier *result = FIELD_DP16(*result, FEAT_FDP, CONF_NDX, 0); 580473064edfSJesper Devantier 580573064edfSJesper Devantier return NVME_SUCCESS; 580673064edfSJesper Devantier } 580773064edfSJesper Devantier 580873064edfSJesper Devantier static uint16_t nvme_get_feature_fdp_events(NvmeCtrl *n, NvmeNamespace *ns, 580973064edfSJesper Devantier NvmeRequest *req, uint32_t *result) 581073064edfSJesper Devantier { 581173064edfSJesper Devantier NvmeCmd *cmd = &req->cmd; 581273064edfSJesper Devantier uint32_t cdw11 = le32_to_cpu(cmd->cdw11); 581373064edfSJesper Devantier uint16_t ph = cdw11 & 0xffff; 581473064edfSJesper Devantier uint8_t noet = (cdw11 >> 16) & 0xff; 581573064edfSJesper Devantier uint16_t ruhid, ret; 581673064edfSJesper Devantier uint32_t nentries = 0; 581773064edfSJesper Devantier uint8_t s_events_ndx = 0; 581873064edfSJesper Devantier size_t s_events_siz = sizeof(NvmeFdpEventDescr) * noet; 581973064edfSJesper Devantier g_autofree NvmeFdpEventDescr *s_events = g_malloc0(s_events_siz); 582073064edfSJesper Devantier NvmeRuHandle *ruh; 582173064edfSJesper Devantier NvmeFdpEventDescr *s_event; 582273064edfSJesper Devantier 582373064edfSJesper Devantier if (!n->subsys || !n->subsys->endgrp.fdp.enabled) { 582473064edfSJesper Devantier return NVME_FDP_DISABLED | NVME_DNR; 582573064edfSJesper Devantier } 582673064edfSJesper Devantier 582773064edfSJesper Devantier if (!nvme_ph_valid(ns, ph)) { 582873064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 582973064edfSJesper Devantier } 583073064edfSJesper Devantier 583173064edfSJesper Devantier ruhid = ns->fdp.phs[ph]; 583273064edfSJesper Devantier ruh = &n->subsys->endgrp.fdp.ruhs[ruhid]; 583373064edfSJesper Devantier 583473064edfSJesper Devantier assert(ruh); 583573064edfSJesper Devantier 583673064edfSJesper Devantier if (unlikely(noet == 0)) { 583773064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 583873064edfSJesper Devantier } 583973064edfSJesper Devantier 584073064edfSJesper Devantier for (uint8_t event_type = 0; event_type < FDP_EVT_MAX; event_type++) { 584173064edfSJesper Devantier uint8_t shift = nvme_fdp_evf_shifts[event_type]; 584273064edfSJesper Devantier if (!shift && event_type) { 584373064edfSJesper Devantier /* 584473064edfSJesper Devantier * only first entry (event_type == 0) has a shift value of 0 584573064edfSJesper Devantier * other entries are simply unpopulated. 584673064edfSJesper Devantier */ 584773064edfSJesper Devantier continue; 584873064edfSJesper Devantier } 584973064edfSJesper Devantier 585073064edfSJesper Devantier nentries++; 585173064edfSJesper Devantier 585273064edfSJesper Devantier s_event = &s_events[s_events_ndx]; 585373064edfSJesper Devantier s_event->evt = event_type; 585473064edfSJesper Devantier s_event->evta = (ruh->event_filter >> shift) & 0x1; 585573064edfSJesper Devantier 585673064edfSJesper Devantier /* break if all `noet` entries are filled */ 585773064edfSJesper Devantier if ((++s_events_ndx) == noet) { 585873064edfSJesper Devantier break; 585973064edfSJesper Devantier } 586073064edfSJesper Devantier } 586173064edfSJesper Devantier 586273064edfSJesper Devantier ret = nvme_c2h(n, s_events, s_events_siz, req); 586373064edfSJesper Devantier if (ret) { 586473064edfSJesper Devantier return ret; 586573064edfSJesper Devantier } 586673064edfSJesper Devantier 586773064edfSJesper Devantier *result = nentries; 586873064edfSJesper Devantier return NVME_SUCCESS; 586973064edfSJesper Devantier } 587073064edfSJesper Devantier 587188eea45cSKlaus Jensen static uint16_t nvme_get_feature(NvmeCtrl *n, NvmeRequest *req) 587288eea45cSKlaus Jensen { 587388eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 587488eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 587588eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 587688eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(cmd->nsid); 587788eea45cSKlaus Jensen uint32_t result; 587888eea45cSKlaus Jensen uint8_t fid = NVME_GETSETFEAT_FID(dw10); 587988eea45cSKlaus Jensen NvmeGetFeatureSelect sel = NVME_GETFEAT_SELECT(dw10); 588088eea45cSKlaus Jensen uint16_t iv; 588188eea45cSKlaus Jensen NvmeNamespace *ns; 588288eea45cSKlaus Jensen int i; 588373064edfSJesper Devantier uint16_t endgrpid = 0, ret = NVME_SUCCESS; 588488eea45cSKlaus Jensen 588588eea45cSKlaus Jensen static const uint32_t nvme_feature_default[NVME_FID_MAX] = { 588688eea45cSKlaus Jensen [NVME_ARBITRATION] = NVME_ARB_AB_NOLIMIT, 588788eea45cSKlaus Jensen }; 588888eea45cSKlaus Jensen 588988eea45cSKlaus Jensen trace_pci_nvme_getfeat(nvme_cid(req), nsid, fid, sel, dw11); 589088eea45cSKlaus Jensen 589188eea45cSKlaus Jensen if (!nvme_feature_support[fid]) { 589288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 589388eea45cSKlaus Jensen } 589488eea45cSKlaus Jensen 589588eea45cSKlaus Jensen if (nvme_feature_cap[fid] & NVME_FEAT_CAP_NS) { 589688eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 589788eea45cSKlaus Jensen /* 589888eea45cSKlaus Jensen * The Reservation Notification Mask and Reservation Persistence 589988eea45cSKlaus Jensen * features require a status code of Invalid Field in Command when 590088eea45cSKlaus Jensen * NSID is FFFFFFFFh. Since the device does not support those 590188eea45cSKlaus Jensen * features we can always return Invalid Namespace or Format as we 590288eea45cSKlaus Jensen * should do for all other features. 590388eea45cSKlaus Jensen */ 590488eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 590588eea45cSKlaus Jensen } 590688eea45cSKlaus Jensen 590788eea45cSKlaus Jensen if (!nvme_ns(n, nsid)) { 590888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 590988eea45cSKlaus Jensen } 591088eea45cSKlaus Jensen } 591188eea45cSKlaus Jensen 591288eea45cSKlaus Jensen switch (sel) { 591388eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_CURRENT: 591488eea45cSKlaus Jensen break; 591588eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_SAVED: 591688eea45cSKlaus Jensen /* no features are saveable by the controller; fallthrough */ 591788eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_DEFAULT: 591888eea45cSKlaus Jensen goto defaults; 591988eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_CAP: 592088eea45cSKlaus Jensen result = nvme_feature_cap[fid]; 592188eea45cSKlaus Jensen goto out; 592288eea45cSKlaus Jensen } 592388eea45cSKlaus Jensen 592488eea45cSKlaus Jensen switch (fid) { 592588eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 592688eea45cSKlaus Jensen result = 0; 592788eea45cSKlaus Jensen 592888eea45cSKlaus Jensen /* 592988eea45cSKlaus Jensen * The controller only implements the Composite Temperature sensor, so 593088eea45cSKlaus Jensen * return 0 for all other sensors. 593188eea45cSKlaus Jensen */ 593288eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 593388eea45cSKlaus Jensen goto out; 593488eea45cSKlaus Jensen } 593588eea45cSKlaus Jensen 593688eea45cSKlaus Jensen switch (NVME_TEMP_THSEL(dw11)) { 593788eea45cSKlaus Jensen case NVME_TEMP_THSEL_OVER: 593888eea45cSKlaus Jensen result = n->features.temp_thresh_hi; 593988eea45cSKlaus Jensen goto out; 594088eea45cSKlaus Jensen case NVME_TEMP_THSEL_UNDER: 594188eea45cSKlaus Jensen result = n->features.temp_thresh_low; 594288eea45cSKlaus Jensen goto out; 594388eea45cSKlaus Jensen } 594488eea45cSKlaus Jensen 594588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 594688eea45cSKlaus Jensen case NVME_ERROR_RECOVERY: 594788eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 594888eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 594988eea45cSKlaus Jensen } 595088eea45cSKlaus Jensen 595188eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 595288eea45cSKlaus Jensen if (unlikely(!ns)) { 595388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 595488eea45cSKlaus Jensen } 595588eea45cSKlaus Jensen 595688eea45cSKlaus Jensen result = ns->features.err_rec; 595788eea45cSKlaus Jensen goto out; 595888eea45cSKlaus Jensen case NVME_VOLATILE_WRITE_CACHE: 595988eea45cSKlaus Jensen result = 0; 596088eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 596188eea45cSKlaus Jensen ns = nvme_ns(n, i); 596288eea45cSKlaus Jensen if (!ns) { 596388eea45cSKlaus Jensen continue; 596488eea45cSKlaus Jensen } 596588eea45cSKlaus Jensen 596688eea45cSKlaus Jensen result = blk_enable_write_cache(ns->blkconf.blk); 596788eea45cSKlaus Jensen if (result) { 596888eea45cSKlaus Jensen break; 596988eea45cSKlaus Jensen } 597088eea45cSKlaus Jensen } 597188eea45cSKlaus Jensen trace_pci_nvme_getfeat_vwcache(result ? "enabled" : "disabled"); 597288eea45cSKlaus Jensen goto out; 597388eea45cSKlaus Jensen case NVME_ASYNCHRONOUS_EVENT_CONF: 597488eea45cSKlaus Jensen result = n->features.async_config; 597588eea45cSKlaus Jensen goto out; 597688eea45cSKlaus Jensen case NVME_TIMESTAMP: 597788eea45cSKlaus Jensen return nvme_get_feature_timestamp(n, req); 5978d0c0697bSNaveen Nagar case NVME_HOST_BEHAVIOR_SUPPORT: 5979d0c0697bSNaveen Nagar return nvme_c2h(n, (uint8_t *)&n->features.hbs, 5980d0c0697bSNaveen Nagar sizeof(n->features.hbs), req); 598173064edfSJesper Devantier case NVME_FDP_MODE: 598273064edfSJesper Devantier endgrpid = dw11 & 0xff; 598373064edfSJesper Devantier 598473064edfSJesper Devantier if (endgrpid != 0x1) { 598573064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 598673064edfSJesper Devantier } 598773064edfSJesper Devantier 598873064edfSJesper Devantier ret = nvme_get_feature_fdp(n, endgrpid, &result); 598973064edfSJesper Devantier if (ret) { 599073064edfSJesper Devantier return ret; 599173064edfSJesper Devantier } 599273064edfSJesper Devantier goto out; 599373064edfSJesper Devantier case NVME_FDP_EVENTS: 599473064edfSJesper Devantier if (!nvme_nsid_valid(n, nsid)) { 599573064edfSJesper Devantier return NVME_INVALID_NSID | NVME_DNR; 599673064edfSJesper Devantier } 599773064edfSJesper Devantier 599873064edfSJesper Devantier ns = nvme_ns(n, nsid); 599973064edfSJesper Devantier if (unlikely(!ns)) { 600073064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 600173064edfSJesper Devantier } 600273064edfSJesper Devantier 600373064edfSJesper Devantier ret = nvme_get_feature_fdp_events(n, ns, req, &result); 600473064edfSJesper Devantier if (ret) { 600573064edfSJesper Devantier return ret; 600673064edfSJesper Devantier } 600773064edfSJesper Devantier goto out; 600888eea45cSKlaus Jensen default: 600988eea45cSKlaus Jensen break; 601088eea45cSKlaus Jensen } 601188eea45cSKlaus Jensen 601288eea45cSKlaus Jensen defaults: 601388eea45cSKlaus Jensen switch (fid) { 601488eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 601588eea45cSKlaus Jensen result = 0; 601688eea45cSKlaus Jensen 601788eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 601888eea45cSKlaus Jensen break; 601988eea45cSKlaus Jensen } 602088eea45cSKlaus Jensen 602188eea45cSKlaus Jensen if (NVME_TEMP_THSEL(dw11) == NVME_TEMP_THSEL_OVER) { 602288eea45cSKlaus Jensen result = NVME_TEMPERATURE_WARNING; 602388eea45cSKlaus Jensen } 602488eea45cSKlaus Jensen 602588eea45cSKlaus Jensen break; 602688eea45cSKlaus Jensen case NVME_NUMBER_OF_QUEUES: 6027decc0261SŁukasz Gieryk result = (n->conf_ioqpairs - 1) | ((n->conf_ioqpairs - 1) << 16); 602888eea45cSKlaus Jensen trace_pci_nvme_getfeat_numq(result); 602988eea45cSKlaus Jensen break; 603088eea45cSKlaus Jensen case NVME_INTERRUPT_VECTOR_CONF: 603188eea45cSKlaus Jensen iv = dw11 & 0xffff; 6032decc0261SŁukasz Gieryk if (iv >= n->conf_ioqpairs + 1) { 603388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 603488eea45cSKlaus Jensen } 603588eea45cSKlaus Jensen 603688eea45cSKlaus Jensen result = iv; 603788eea45cSKlaus Jensen if (iv == n->admin_cq.vector) { 603888eea45cSKlaus Jensen result |= NVME_INTVC_NOCOALESCING; 603988eea45cSKlaus Jensen } 604088eea45cSKlaus Jensen break; 604173064edfSJesper Devantier case NVME_FDP_MODE: 604273064edfSJesper Devantier endgrpid = dw11 & 0xff; 604373064edfSJesper Devantier 604473064edfSJesper Devantier if (endgrpid != 0x1) { 604573064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 604673064edfSJesper Devantier } 604773064edfSJesper Devantier 604873064edfSJesper Devantier ret = nvme_get_feature_fdp(n, endgrpid, &result); 604973064edfSJesper Devantier if (ret) { 605073064edfSJesper Devantier return ret; 605173064edfSJesper Devantier } 605273064edfSJesper Devantier goto out; 605373064edfSJesper Devantier 605473064edfSJesper Devantier break; 605588eea45cSKlaus Jensen default: 605688eea45cSKlaus Jensen result = nvme_feature_default[fid]; 605788eea45cSKlaus Jensen break; 605888eea45cSKlaus Jensen } 605988eea45cSKlaus Jensen 606088eea45cSKlaus Jensen out: 606188eea45cSKlaus Jensen req->cqe.result = cpu_to_le32(result); 606273064edfSJesper Devantier return ret; 606388eea45cSKlaus Jensen } 606488eea45cSKlaus Jensen 606588eea45cSKlaus Jensen static uint16_t nvme_set_feature_timestamp(NvmeCtrl *n, NvmeRequest *req) 606688eea45cSKlaus Jensen { 606788eea45cSKlaus Jensen uint16_t ret; 606888eea45cSKlaus Jensen uint64_t timestamp; 606988eea45cSKlaus Jensen 607088eea45cSKlaus Jensen ret = nvme_h2c(n, (uint8_t *)×tamp, sizeof(timestamp), req); 607188eea45cSKlaus Jensen if (ret) { 607288eea45cSKlaus Jensen return ret; 607388eea45cSKlaus Jensen } 607488eea45cSKlaus Jensen 607588eea45cSKlaus Jensen nvme_set_timestamp(n, timestamp); 607688eea45cSKlaus Jensen 607788eea45cSKlaus Jensen return NVME_SUCCESS; 607888eea45cSKlaus Jensen } 607988eea45cSKlaus Jensen 608073064edfSJesper Devantier static uint16_t nvme_set_feature_fdp_events(NvmeCtrl *n, NvmeNamespace *ns, 608173064edfSJesper Devantier NvmeRequest *req) 608273064edfSJesper Devantier { 608373064edfSJesper Devantier NvmeCmd *cmd = &req->cmd; 608473064edfSJesper Devantier uint32_t cdw11 = le32_to_cpu(cmd->cdw11); 608573064edfSJesper Devantier uint16_t ph = cdw11 & 0xffff; 608673064edfSJesper Devantier uint8_t noet = (cdw11 >> 16) & 0xff; 608773064edfSJesper Devantier uint16_t ret, ruhid; 608873064edfSJesper Devantier uint8_t enable = le32_to_cpu(cmd->cdw12) & 0x1; 608973064edfSJesper Devantier uint8_t event_mask = 0; 609073064edfSJesper Devantier unsigned int i; 609173064edfSJesper Devantier g_autofree uint8_t *events = g_malloc0(noet); 609273064edfSJesper Devantier NvmeRuHandle *ruh = NULL; 609373064edfSJesper Devantier 609473064edfSJesper Devantier assert(ns); 609573064edfSJesper Devantier 609673064edfSJesper Devantier if (!n->subsys || !n->subsys->endgrp.fdp.enabled) { 609773064edfSJesper Devantier return NVME_FDP_DISABLED | NVME_DNR; 609873064edfSJesper Devantier } 609973064edfSJesper Devantier 610073064edfSJesper Devantier if (!nvme_ph_valid(ns, ph)) { 610173064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 610273064edfSJesper Devantier } 610373064edfSJesper Devantier 610473064edfSJesper Devantier ruhid = ns->fdp.phs[ph]; 610573064edfSJesper Devantier ruh = &n->subsys->endgrp.fdp.ruhs[ruhid]; 610673064edfSJesper Devantier 610773064edfSJesper Devantier ret = nvme_h2c(n, events, noet, req); 610873064edfSJesper Devantier if (ret) { 610973064edfSJesper Devantier return ret; 611073064edfSJesper Devantier } 611173064edfSJesper Devantier 611273064edfSJesper Devantier for (i = 0; i < noet; i++) { 611373064edfSJesper Devantier event_mask |= (1 << nvme_fdp_evf_shifts[events[i]]); 611473064edfSJesper Devantier } 611573064edfSJesper Devantier 611673064edfSJesper Devantier if (enable) { 611773064edfSJesper Devantier ruh->event_filter |= event_mask; 611873064edfSJesper Devantier } else { 611973064edfSJesper Devantier ruh->event_filter = ruh->event_filter & ~event_mask; 612073064edfSJesper Devantier } 612173064edfSJesper Devantier 612273064edfSJesper Devantier return NVME_SUCCESS; 612373064edfSJesper Devantier } 612473064edfSJesper Devantier 612588eea45cSKlaus Jensen static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeRequest *req) 612688eea45cSKlaus Jensen { 612788eea45cSKlaus Jensen NvmeNamespace *ns = NULL; 612888eea45cSKlaus Jensen 612988eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 613088eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 613188eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 613288eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(cmd->nsid); 613388eea45cSKlaus Jensen uint8_t fid = NVME_GETSETFEAT_FID(dw10); 613488eea45cSKlaus Jensen uint8_t save = NVME_SETFEAT_SAVE(dw10); 6135763c05dfSNaveen Nagar uint16_t status; 613688eea45cSKlaus Jensen int i; 613788eea45cSKlaus Jensen 613888eea45cSKlaus Jensen trace_pci_nvme_setfeat(nvme_cid(req), nsid, fid, save, dw11); 613988eea45cSKlaus Jensen 614088eea45cSKlaus Jensen if (save && !(nvme_feature_cap[fid] & NVME_FEAT_CAP_SAVE)) { 614188eea45cSKlaus Jensen return NVME_FID_NOT_SAVEABLE | NVME_DNR; 614288eea45cSKlaus Jensen } 614388eea45cSKlaus Jensen 614488eea45cSKlaus Jensen if (!nvme_feature_support[fid]) { 614588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 614688eea45cSKlaus Jensen } 614788eea45cSKlaus Jensen 614888eea45cSKlaus Jensen if (nvme_feature_cap[fid] & NVME_FEAT_CAP_NS) { 614988eea45cSKlaus Jensen if (nsid != NVME_NSID_BROADCAST) { 615088eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 615188eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 615288eea45cSKlaus Jensen } 615388eea45cSKlaus Jensen 615488eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 615588eea45cSKlaus Jensen if (unlikely(!ns)) { 615688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 615788eea45cSKlaus Jensen } 615888eea45cSKlaus Jensen } 615988eea45cSKlaus Jensen } else if (nsid && nsid != NVME_NSID_BROADCAST) { 616088eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 616188eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 616288eea45cSKlaus Jensen } 616388eea45cSKlaus Jensen 616488eea45cSKlaus Jensen return NVME_FEAT_NOT_NS_SPEC | NVME_DNR; 616588eea45cSKlaus Jensen } 616688eea45cSKlaus Jensen 616788eea45cSKlaus Jensen if (!(nvme_feature_cap[fid] & NVME_FEAT_CAP_CHANGE)) { 616888eea45cSKlaus Jensen return NVME_FEAT_NOT_CHANGEABLE | NVME_DNR; 616988eea45cSKlaus Jensen } 617088eea45cSKlaus Jensen 617188eea45cSKlaus Jensen switch (fid) { 617288eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 617388eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 617488eea45cSKlaus Jensen break; 617588eea45cSKlaus Jensen } 617688eea45cSKlaus Jensen 617788eea45cSKlaus Jensen switch (NVME_TEMP_THSEL(dw11)) { 617888eea45cSKlaus Jensen case NVME_TEMP_THSEL_OVER: 617988eea45cSKlaus Jensen n->features.temp_thresh_hi = NVME_TEMP_TMPTH(dw11); 618088eea45cSKlaus Jensen break; 618188eea45cSKlaus Jensen case NVME_TEMP_THSEL_UNDER: 618288eea45cSKlaus Jensen n->features.temp_thresh_low = NVME_TEMP_TMPTH(dw11); 618388eea45cSKlaus Jensen break; 618488eea45cSKlaus Jensen default: 618588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 618688eea45cSKlaus Jensen } 618788eea45cSKlaus Jensen 618888eea45cSKlaus Jensen if ((n->temperature >= n->features.temp_thresh_hi) || 618988eea45cSKlaus Jensen (n->temperature <= n->features.temp_thresh_low)) { 61909235a72aSKlaus Jensen nvme_smart_event(n, NVME_SMART_TEMPERATURE); 619188eea45cSKlaus Jensen } 619288eea45cSKlaus Jensen 619388eea45cSKlaus Jensen break; 619488eea45cSKlaus Jensen case NVME_ERROR_RECOVERY: 619588eea45cSKlaus Jensen if (nsid == NVME_NSID_BROADCAST) { 619688eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 619788eea45cSKlaus Jensen ns = nvme_ns(n, i); 619888eea45cSKlaus Jensen 619988eea45cSKlaus Jensen if (!ns) { 620088eea45cSKlaus Jensen continue; 620188eea45cSKlaus Jensen } 620288eea45cSKlaus Jensen 620388eea45cSKlaus Jensen if (NVME_ID_NS_NSFEAT_DULBE(ns->id_ns.nsfeat)) { 620488eea45cSKlaus Jensen ns->features.err_rec = dw11; 620588eea45cSKlaus Jensen } 620688eea45cSKlaus Jensen } 620788eea45cSKlaus Jensen 620888eea45cSKlaus Jensen break; 620988eea45cSKlaus Jensen } 621088eea45cSKlaus Jensen 621188eea45cSKlaus Jensen assert(ns); 621288eea45cSKlaus Jensen if (NVME_ID_NS_NSFEAT_DULBE(ns->id_ns.nsfeat)) { 621388eea45cSKlaus Jensen ns->features.err_rec = dw11; 621488eea45cSKlaus Jensen } 621588eea45cSKlaus Jensen break; 621688eea45cSKlaus Jensen case NVME_VOLATILE_WRITE_CACHE: 621788eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 621888eea45cSKlaus Jensen ns = nvme_ns(n, i); 621988eea45cSKlaus Jensen if (!ns) { 622088eea45cSKlaus Jensen continue; 622188eea45cSKlaus Jensen } 622288eea45cSKlaus Jensen 622388eea45cSKlaus Jensen if (!(dw11 & 0x1) && blk_enable_write_cache(ns->blkconf.blk)) { 622488eea45cSKlaus Jensen blk_flush(ns->blkconf.blk); 622588eea45cSKlaus Jensen } 622688eea45cSKlaus Jensen 622788eea45cSKlaus Jensen blk_set_enable_write_cache(ns->blkconf.blk, dw11 & 1); 622888eea45cSKlaus Jensen } 622988eea45cSKlaus Jensen 623088eea45cSKlaus Jensen break; 623188eea45cSKlaus Jensen 623288eea45cSKlaus Jensen case NVME_NUMBER_OF_QUEUES: 623388eea45cSKlaus Jensen if (n->qs_created) { 623488eea45cSKlaus Jensen return NVME_CMD_SEQ_ERROR | NVME_DNR; 623588eea45cSKlaus Jensen } 623688eea45cSKlaus Jensen 623788eea45cSKlaus Jensen /* 623888eea45cSKlaus Jensen * NVMe v1.3, Section 5.21.1.7: FFFFh is not an allowed value for NCQR 623988eea45cSKlaus Jensen * and NSQR. 624088eea45cSKlaus Jensen */ 624188eea45cSKlaus Jensen if ((dw11 & 0xffff) == 0xffff || ((dw11 >> 16) & 0xffff) == 0xffff) { 624288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 624388eea45cSKlaus Jensen } 624488eea45cSKlaus Jensen 624588eea45cSKlaus Jensen trace_pci_nvme_setfeat_numq((dw11 & 0xffff) + 1, 624688eea45cSKlaus Jensen ((dw11 >> 16) & 0xffff) + 1, 6247decc0261SŁukasz Gieryk n->conf_ioqpairs, 6248decc0261SŁukasz Gieryk n->conf_ioqpairs); 6249decc0261SŁukasz Gieryk req->cqe.result = cpu_to_le32((n->conf_ioqpairs - 1) | 6250decc0261SŁukasz Gieryk ((n->conf_ioqpairs - 1) << 16)); 625188eea45cSKlaus Jensen break; 625288eea45cSKlaus Jensen case NVME_ASYNCHRONOUS_EVENT_CONF: 625388eea45cSKlaus Jensen n->features.async_config = dw11; 625488eea45cSKlaus Jensen break; 625588eea45cSKlaus Jensen case NVME_TIMESTAMP: 625688eea45cSKlaus Jensen return nvme_set_feature_timestamp(n, req); 6257d0c0697bSNaveen Nagar case NVME_HOST_BEHAVIOR_SUPPORT: 6258763c05dfSNaveen Nagar status = nvme_h2c(n, (uint8_t *)&n->features.hbs, 6259d0c0697bSNaveen Nagar sizeof(n->features.hbs), req); 6260763c05dfSNaveen Nagar if (status) { 6261763c05dfSNaveen Nagar return status; 6262763c05dfSNaveen Nagar } 6263763c05dfSNaveen Nagar 6264763c05dfSNaveen Nagar for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 6265763c05dfSNaveen Nagar ns = nvme_ns(n, i); 6266763c05dfSNaveen Nagar 6267763c05dfSNaveen Nagar if (!ns) { 6268763c05dfSNaveen Nagar continue; 6269763c05dfSNaveen Nagar } 6270763c05dfSNaveen Nagar 6271763c05dfSNaveen Nagar ns->id_ns.nlbaf = ns->nlbaf - 1; 6272763c05dfSNaveen Nagar if (!n->features.hbs.lbafee) { 6273763c05dfSNaveen Nagar ns->id_ns.nlbaf = MIN(ns->id_ns.nlbaf, 15); 6274763c05dfSNaveen Nagar } 6275763c05dfSNaveen Nagar } 6276763c05dfSNaveen Nagar 6277763c05dfSNaveen Nagar return status; 627888eea45cSKlaus Jensen case NVME_COMMAND_SET_PROFILE: 627988eea45cSKlaus Jensen if (dw11 & 0x1ff) { 628088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_iocsci(dw11 & 0x1ff); 628188eea45cSKlaus Jensen return NVME_CMD_SET_CMB_REJECTED | NVME_DNR; 628288eea45cSKlaus Jensen } 628388eea45cSKlaus Jensen break; 628473064edfSJesper Devantier case NVME_FDP_MODE: 628573064edfSJesper Devantier /* spec: abort with cmd seq err if there's one or more NS' in endgrp */ 628673064edfSJesper Devantier return NVME_CMD_SEQ_ERROR | NVME_DNR; 628773064edfSJesper Devantier case NVME_FDP_EVENTS: 628873064edfSJesper Devantier return nvme_set_feature_fdp_events(n, ns, req); 628988eea45cSKlaus Jensen default: 629088eea45cSKlaus Jensen return NVME_FEAT_NOT_CHANGEABLE | NVME_DNR; 629188eea45cSKlaus Jensen } 629288eea45cSKlaus Jensen return NVME_SUCCESS; 629388eea45cSKlaus Jensen } 629488eea45cSKlaus Jensen 629588eea45cSKlaus Jensen static uint16_t nvme_aer(NvmeCtrl *n, NvmeRequest *req) 629688eea45cSKlaus Jensen { 629788eea45cSKlaus Jensen trace_pci_nvme_aer(nvme_cid(req)); 629888eea45cSKlaus Jensen 629988eea45cSKlaus Jensen if (n->outstanding_aers > n->params.aerl) { 630088eea45cSKlaus Jensen trace_pci_nvme_aer_aerl_exceeded(); 630188eea45cSKlaus Jensen return NVME_AER_LIMIT_EXCEEDED; 630288eea45cSKlaus Jensen } 630388eea45cSKlaus Jensen 630488eea45cSKlaus Jensen n->aer_reqs[n->outstanding_aers] = req; 630588eea45cSKlaus Jensen n->outstanding_aers++; 630688eea45cSKlaus Jensen 630788eea45cSKlaus Jensen if (!QTAILQ_EMPTY(&n->aer_queue)) { 630888eea45cSKlaus Jensen nvme_process_aers(n); 630988eea45cSKlaus Jensen } 631088eea45cSKlaus Jensen 631188eea45cSKlaus Jensen return NVME_NO_COMPLETE; 631288eea45cSKlaus Jensen } 631388eea45cSKlaus Jensen 631488eea45cSKlaus Jensen static void nvme_update_dmrsl(NvmeCtrl *n) 631588eea45cSKlaus Jensen { 631688eea45cSKlaus Jensen int nsid; 631788eea45cSKlaus Jensen 631888eea45cSKlaus Jensen for (nsid = 1; nsid <= NVME_MAX_NAMESPACES; nsid++) { 631988eea45cSKlaus Jensen NvmeNamespace *ns = nvme_ns(n, nsid); 632088eea45cSKlaus Jensen if (!ns) { 632188eea45cSKlaus Jensen continue; 632288eea45cSKlaus Jensen } 632388eea45cSKlaus Jensen 632488eea45cSKlaus Jensen n->dmrsl = MIN_NON_ZERO(n->dmrsl, 632588eea45cSKlaus Jensen BDRV_REQUEST_MAX_BYTES / nvme_l2b(ns, 1)); 632688eea45cSKlaus Jensen } 632788eea45cSKlaus Jensen } 632888eea45cSKlaus Jensen 632988eea45cSKlaus Jensen static void nvme_select_iocs_ns(NvmeCtrl *n, NvmeNamespace *ns) 633088eea45cSKlaus Jensen { 633149e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 633249e03457SKlaus Jensen 633388eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_none; 633488eea45cSKlaus Jensen switch (ns->csi) { 633588eea45cSKlaus Jensen case NVME_CSI_NVM: 633649e03457SKlaus Jensen if (NVME_CC_CSS(cc) != NVME_CC_CSS_ADMIN_ONLY) { 633788eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_nvm; 633888eea45cSKlaus Jensen } 633988eea45cSKlaus Jensen break; 634088eea45cSKlaus Jensen case NVME_CSI_ZONED: 634149e03457SKlaus Jensen if (NVME_CC_CSS(cc) == NVME_CC_CSS_CSI) { 634288eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_zoned; 634349e03457SKlaus Jensen } else if (NVME_CC_CSS(cc) == NVME_CC_CSS_NVM) { 634488eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_nvm; 634588eea45cSKlaus Jensen } 634688eea45cSKlaus Jensen break; 634788eea45cSKlaus Jensen } 634888eea45cSKlaus Jensen } 634988eea45cSKlaus Jensen 635088eea45cSKlaus Jensen static uint16_t nvme_ns_attachment(NvmeCtrl *n, NvmeRequest *req) 635188eea45cSKlaus Jensen { 635288eea45cSKlaus Jensen NvmeNamespace *ns; 635388eea45cSKlaus Jensen NvmeCtrl *ctrl; 635488eea45cSKlaus Jensen uint16_t list[NVME_CONTROLLER_LIST_SIZE] = {}; 635588eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 635688eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 635707a3dfa7SNaveen Nagar uint8_t sel = dw10 & 0xf; 635888eea45cSKlaus Jensen uint16_t *nr_ids = &list[0]; 635988eea45cSKlaus Jensen uint16_t *ids = &list[1]; 636088eea45cSKlaus Jensen uint16_t ret; 636188eea45cSKlaus Jensen int i; 636288eea45cSKlaus Jensen 636388eea45cSKlaus Jensen trace_pci_nvme_ns_attachment(nvme_cid(req), dw10 & 0xf); 636488eea45cSKlaus Jensen 636588eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 636688eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 636788eea45cSKlaus Jensen } 636888eea45cSKlaus Jensen 636988eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 637088eea45cSKlaus Jensen if (!ns) { 637188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 637288eea45cSKlaus Jensen } 637388eea45cSKlaus Jensen 637488eea45cSKlaus Jensen ret = nvme_h2c(n, (uint8_t *)list, 4096, req); 637588eea45cSKlaus Jensen if (ret) { 637688eea45cSKlaus Jensen return ret; 637788eea45cSKlaus Jensen } 637888eea45cSKlaus Jensen 637988eea45cSKlaus Jensen if (!*nr_ids) { 638088eea45cSKlaus Jensen return NVME_NS_CTRL_LIST_INVALID | NVME_DNR; 638188eea45cSKlaus Jensen } 638288eea45cSKlaus Jensen 638388eea45cSKlaus Jensen *nr_ids = MIN(*nr_ids, NVME_CONTROLLER_LIST_SIZE - 1); 638488eea45cSKlaus Jensen for (i = 0; i < *nr_ids; i++) { 638588eea45cSKlaus Jensen ctrl = nvme_subsys_ctrl(n->subsys, ids[i]); 638688eea45cSKlaus Jensen if (!ctrl) { 638788eea45cSKlaus Jensen return NVME_NS_CTRL_LIST_INVALID | NVME_DNR; 638888eea45cSKlaus Jensen } 638988eea45cSKlaus Jensen 639007a3dfa7SNaveen Nagar switch (sel) { 639107a3dfa7SNaveen Nagar case NVME_NS_ATTACHMENT_ATTACH: 639288eea45cSKlaus Jensen if (nvme_ns(ctrl, nsid)) { 639388eea45cSKlaus Jensen return NVME_NS_ALREADY_ATTACHED | NVME_DNR; 639488eea45cSKlaus Jensen } 639588eea45cSKlaus Jensen 639688eea45cSKlaus Jensen if (ns->attached && !ns->params.shared) { 639788eea45cSKlaus Jensen return NVME_NS_PRIVATE | NVME_DNR; 639888eea45cSKlaus Jensen } 639988eea45cSKlaus Jensen 640088eea45cSKlaus Jensen nvme_attach_ns(ctrl, ns); 640188eea45cSKlaus Jensen nvme_select_iocs_ns(ctrl, ns); 640207a3dfa7SNaveen Nagar 640307a3dfa7SNaveen Nagar break; 640407a3dfa7SNaveen Nagar 640507a3dfa7SNaveen Nagar case NVME_NS_ATTACHMENT_DETACH: 640688eea45cSKlaus Jensen if (!nvme_ns(ctrl, nsid)) { 640788eea45cSKlaus Jensen return NVME_NS_NOT_ATTACHED | NVME_DNR; 640888eea45cSKlaus Jensen } 640988eea45cSKlaus Jensen 641088eea45cSKlaus Jensen ctrl->namespaces[nsid] = NULL; 641188eea45cSKlaus Jensen ns->attached--; 641288eea45cSKlaus Jensen 641388eea45cSKlaus Jensen nvme_update_dmrsl(ctrl); 641407a3dfa7SNaveen Nagar 641507a3dfa7SNaveen Nagar break; 641607a3dfa7SNaveen Nagar 641707a3dfa7SNaveen Nagar default: 641807a3dfa7SNaveen Nagar return NVME_INVALID_FIELD | NVME_DNR; 641988eea45cSKlaus Jensen } 642088eea45cSKlaus Jensen 642188eea45cSKlaus Jensen /* 642288eea45cSKlaus Jensen * Add namespace id to the changed namespace id list for event clearing 642388eea45cSKlaus Jensen * via Get Log Page command. 642488eea45cSKlaus Jensen */ 642588eea45cSKlaus Jensen if (!test_and_set_bit(nsid, ctrl->changed_nsids)) { 642688eea45cSKlaus Jensen nvme_enqueue_event(ctrl, NVME_AER_TYPE_NOTICE, 642788eea45cSKlaus Jensen NVME_AER_INFO_NOTICE_NS_ATTR_CHANGED, 642888eea45cSKlaus Jensen NVME_LOG_CHANGED_NSLIST); 642988eea45cSKlaus Jensen } 643088eea45cSKlaus Jensen } 643188eea45cSKlaus Jensen 643288eea45cSKlaus Jensen return NVME_SUCCESS; 643388eea45cSKlaus Jensen } 643488eea45cSKlaus Jensen 64353bcf26d3SKlaus Jensen typedef struct NvmeFormatAIOCB { 64363bcf26d3SKlaus Jensen BlockAIOCB common; 64373bcf26d3SKlaus Jensen BlockAIOCB *aiocb; 64383bcf26d3SKlaus Jensen NvmeRequest *req; 64393bcf26d3SKlaus Jensen int ret; 644088eea45cSKlaus Jensen 64413bcf26d3SKlaus Jensen NvmeNamespace *ns; 64423bcf26d3SKlaus Jensen uint32_t nsid; 64433bcf26d3SKlaus Jensen bool broadcast; 64443bcf26d3SKlaus Jensen int64_t offset; 6445a6de6ed5SKlaus Jensen 6446a6de6ed5SKlaus Jensen uint8_t lbaf; 6447a6de6ed5SKlaus Jensen uint8_t mset; 6448a6de6ed5SKlaus Jensen uint8_t pi; 6449a6de6ed5SKlaus Jensen uint8_t pil; 64503bcf26d3SKlaus Jensen } NvmeFormatAIOCB; 64513bcf26d3SKlaus Jensen 64523bcf26d3SKlaus Jensen static void nvme_format_cancel(BlockAIOCB *aiocb) 64533bcf26d3SKlaus Jensen { 64543bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = container_of(aiocb, NvmeFormatAIOCB, common); 64553bcf26d3SKlaus Jensen 6456433c71e4SKlaus Jensen iocb->ret = -ECANCELED; 6457433c71e4SKlaus Jensen 64583bcf26d3SKlaus Jensen if (iocb->aiocb) { 64593bcf26d3SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 6460433c71e4SKlaus Jensen iocb->aiocb = NULL; 64613bcf26d3SKlaus Jensen } 64623bcf26d3SKlaus Jensen } 64633bcf26d3SKlaus Jensen 64643bcf26d3SKlaus Jensen static const AIOCBInfo nvme_format_aiocb_info = { 64653bcf26d3SKlaus Jensen .aiocb_size = sizeof(NvmeFormatAIOCB), 64663bcf26d3SKlaus Jensen .cancel_async = nvme_format_cancel, 64673bcf26d3SKlaus Jensen .get_aio_context = nvme_get_aio_context, 64683bcf26d3SKlaus Jensen }; 64693bcf26d3SKlaus Jensen 6470a6de6ed5SKlaus Jensen static void nvme_format_set(NvmeNamespace *ns, uint8_t lbaf, uint8_t mset, 6471a6de6ed5SKlaus Jensen uint8_t pi, uint8_t pil) 64723bcf26d3SKlaus Jensen { 6473763c05dfSNaveen Nagar uint8_t lbafl = lbaf & 0xf; 6474763c05dfSNaveen Nagar uint8_t lbafu = lbaf >> 4; 6475763c05dfSNaveen Nagar 64763bcf26d3SKlaus Jensen trace_pci_nvme_format_set(ns->params.nsid, lbaf, mset, pi, pil); 64773bcf26d3SKlaus Jensen 64783bcf26d3SKlaus Jensen ns->id_ns.dps = (pil << 3) | pi; 6479763c05dfSNaveen Nagar ns->id_ns.flbas = (lbafu << 5) | (mset << 4) | lbafl; 64803bcf26d3SKlaus Jensen 64813bcf26d3SKlaus Jensen nvme_ns_init_format(ns); 64823bcf26d3SKlaus Jensen } 64833bcf26d3SKlaus Jensen 6484433c71e4SKlaus Jensen static void nvme_do_format(NvmeFormatAIOCB *iocb); 6485433c71e4SKlaus Jensen 64863bcf26d3SKlaus Jensen static void nvme_format_ns_cb(void *opaque, int ret) 64873bcf26d3SKlaus Jensen { 64883bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = opaque; 64893bcf26d3SKlaus Jensen NvmeNamespace *ns = iocb->ns; 64903bcf26d3SKlaus Jensen int bytes; 64913bcf26d3SKlaus Jensen 6492433c71e4SKlaus Jensen if (iocb->ret < 0) { 6493433c71e4SKlaus Jensen goto done; 6494433c71e4SKlaus Jensen } else if (ret < 0) { 64953bcf26d3SKlaus Jensen iocb->ret = ret; 64963bcf26d3SKlaus Jensen goto done; 64973bcf26d3SKlaus Jensen } 64983bcf26d3SKlaus Jensen 64993bcf26d3SKlaus Jensen assert(ns); 65003bcf26d3SKlaus Jensen 65013bcf26d3SKlaus Jensen if (iocb->offset < ns->size) { 65023bcf26d3SKlaus Jensen bytes = MIN(BDRV_REQUEST_MAX_BYTES, ns->size - iocb->offset); 65033bcf26d3SKlaus Jensen 65043bcf26d3SKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, iocb->offset, 65053bcf26d3SKlaus Jensen bytes, BDRV_REQ_MAY_UNMAP, 65063bcf26d3SKlaus Jensen nvme_format_ns_cb, iocb); 65073bcf26d3SKlaus Jensen 65083bcf26d3SKlaus Jensen iocb->offset += bytes; 65093bcf26d3SKlaus Jensen return; 65103bcf26d3SKlaus Jensen } 65113bcf26d3SKlaus Jensen 6512a6de6ed5SKlaus Jensen nvme_format_set(ns, iocb->lbaf, iocb->mset, iocb->pi, iocb->pil); 65133bcf26d3SKlaus Jensen ns->status = 0x0; 65143bcf26d3SKlaus Jensen iocb->ns = NULL; 65153bcf26d3SKlaus Jensen iocb->offset = 0; 65163bcf26d3SKlaus Jensen 65173bcf26d3SKlaus Jensen done: 6518433c71e4SKlaus Jensen nvme_do_format(iocb); 65193bcf26d3SKlaus Jensen } 65203bcf26d3SKlaus Jensen 65213bcf26d3SKlaus Jensen static uint16_t nvme_format_check(NvmeNamespace *ns, uint8_t lbaf, uint8_t pi) 65223bcf26d3SKlaus Jensen { 652388eea45cSKlaus Jensen if (ns->params.zoned) { 652488eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 652588eea45cSKlaus Jensen } 652688eea45cSKlaus Jensen 652788eea45cSKlaus Jensen if (lbaf > ns->id_ns.nlbaf) { 652888eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 652988eea45cSKlaus Jensen } 653088eea45cSKlaus Jensen 6531ac0b34c5SKlaus Jensen if (pi && (ns->id_ns.lbaf[lbaf].ms < nvme_pi_tuple_size(ns))) { 653288eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 653388eea45cSKlaus Jensen } 653488eea45cSKlaus Jensen 653588eea45cSKlaus Jensen if (pi && pi > NVME_ID_NS_DPS_TYPE_3) { 653688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 653788eea45cSKlaus Jensen } 653888eea45cSKlaus Jensen 653988eea45cSKlaus Jensen return NVME_SUCCESS; 654088eea45cSKlaus Jensen } 654188eea45cSKlaus Jensen 6542433c71e4SKlaus Jensen static void nvme_do_format(NvmeFormatAIOCB *iocb) 654388eea45cSKlaus Jensen { 65443bcf26d3SKlaus Jensen NvmeRequest *req = iocb->req; 65453bcf26d3SKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 654644219b60SNaveen Nagar uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 654744219b60SNaveen Nagar uint8_t lbaf = dw10 & 0xf; 654844219b60SNaveen Nagar uint8_t pi = (dw10 >> 5) & 0x7; 654988eea45cSKlaus Jensen uint16_t status; 655088eea45cSKlaus Jensen int i; 655188eea45cSKlaus Jensen 65523bcf26d3SKlaus Jensen if (iocb->ret < 0) { 65533bcf26d3SKlaus Jensen goto done; 655488eea45cSKlaus Jensen } 655588eea45cSKlaus Jensen 65563bcf26d3SKlaus Jensen if (iocb->broadcast) { 65573bcf26d3SKlaus Jensen for (i = iocb->nsid + 1; i <= NVME_MAX_NAMESPACES; i++) { 65583bcf26d3SKlaus Jensen iocb->ns = nvme_ns(n, i); 65593bcf26d3SKlaus Jensen if (iocb->ns) { 65603bcf26d3SKlaus Jensen iocb->nsid = i; 656188eea45cSKlaus Jensen break; 656288eea45cSKlaus Jensen } 656388eea45cSKlaus Jensen } 656488eea45cSKlaus Jensen } 656588eea45cSKlaus Jensen 65663bcf26d3SKlaus Jensen if (!iocb->ns) { 65673bcf26d3SKlaus Jensen goto done; 656888eea45cSKlaus Jensen } 656988eea45cSKlaus Jensen 657044219b60SNaveen Nagar status = nvme_format_check(iocb->ns, lbaf, pi); 65713bcf26d3SKlaus Jensen if (status) { 65723bcf26d3SKlaus Jensen req->status = status; 65733bcf26d3SKlaus Jensen goto done; 65743bcf26d3SKlaus Jensen } 65753bcf26d3SKlaus Jensen 65763bcf26d3SKlaus Jensen iocb->ns->status = NVME_FORMAT_IN_PROGRESS; 65773bcf26d3SKlaus Jensen nvme_format_ns_cb(iocb, 0); 65783bcf26d3SKlaus Jensen return; 65793bcf26d3SKlaus Jensen 65803bcf26d3SKlaus Jensen done: 65813bcf26d3SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 65823bcf26d3SKlaus Jensen qemu_aio_unref(iocb); 65833bcf26d3SKlaus Jensen } 65843bcf26d3SKlaus Jensen 65853bcf26d3SKlaus Jensen static uint16_t nvme_format(NvmeCtrl *n, NvmeRequest *req) 65863bcf26d3SKlaus Jensen { 65873bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb; 65883bcf26d3SKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 6589a6de6ed5SKlaus Jensen uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 6590a6de6ed5SKlaus Jensen uint8_t lbaf = dw10 & 0xf; 6591a6de6ed5SKlaus Jensen uint8_t mset = (dw10 >> 4) & 0x1; 6592a6de6ed5SKlaus Jensen uint8_t pi = (dw10 >> 5) & 0x7; 6593a6de6ed5SKlaus Jensen uint8_t pil = (dw10 >> 8) & 0x1; 6594763c05dfSNaveen Nagar uint8_t lbafu = (dw10 >> 12) & 0x3; 65953bcf26d3SKlaus Jensen uint16_t status; 65963bcf26d3SKlaus Jensen 65973bcf26d3SKlaus Jensen iocb = qemu_aio_get(&nvme_format_aiocb_info, NULL, nvme_misc_cb, req); 65983bcf26d3SKlaus Jensen 65993bcf26d3SKlaus Jensen iocb->req = req; 66003bcf26d3SKlaus Jensen iocb->ret = 0; 66013bcf26d3SKlaus Jensen iocb->ns = NULL; 66023bcf26d3SKlaus Jensen iocb->nsid = 0; 6603a6de6ed5SKlaus Jensen iocb->lbaf = lbaf; 6604a6de6ed5SKlaus Jensen iocb->mset = mset; 6605a6de6ed5SKlaus Jensen iocb->pi = pi; 6606a6de6ed5SKlaus Jensen iocb->pil = pil; 66073bcf26d3SKlaus Jensen iocb->broadcast = (nsid == NVME_NSID_BROADCAST); 66083bcf26d3SKlaus Jensen iocb->offset = 0; 66093bcf26d3SKlaus Jensen 6610763c05dfSNaveen Nagar if (n->features.hbs.lbafee) { 6611763c05dfSNaveen Nagar iocb->lbaf |= lbafu << 4; 6612763c05dfSNaveen Nagar } 6613763c05dfSNaveen Nagar 66143bcf26d3SKlaus Jensen if (!iocb->broadcast) { 66153bcf26d3SKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 66163bcf26d3SKlaus Jensen status = NVME_INVALID_NSID | NVME_DNR; 66173bcf26d3SKlaus Jensen goto out; 66183bcf26d3SKlaus Jensen } 66193bcf26d3SKlaus Jensen 66203bcf26d3SKlaus Jensen iocb->ns = nvme_ns(n, nsid); 66213bcf26d3SKlaus Jensen if (!iocb->ns) { 66223bcf26d3SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 66233bcf26d3SKlaus Jensen goto out; 66243bcf26d3SKlaus Jensen } 66253bcf26d3SKlaus Jensen } 66263bcf26d3SKlaus Jensen 66273bcf26d3SKlaus Jensen req->aiocb = &iocb->common; 6628433c71e4SKlaus Jensen nvme_do_format(iocb); 66293bcf26d3SKlaus Jensen 66303bcf26d3SKlaus Jensen return NVME_NO_COMPLETE; 66313bcf26d3SKlaus Jensen 66323bcf26d3SKlaus Jensen out: 66333bcf26d3SKlaus Jensen qemu_aio_unref(iocb); 6634433c71e4SKlaus Jensen 66353bcf26d3SKlaus Jensen return status; 663688eea45cSKlaus Jensen } 663788eea45cSKlaus Jensen 663811871f53SŁukasz Gieryk static void nvme_get_virt_res_num(NvmeCtrl *n, uint8_t rt, int *num_total, 663911871f53SŁukasz Gieryk int *num_prim, int *num_sec) 664011871f53SŁukasz Gieryk { 664111871f53SŁukasz Gieryk *num_total = le32_to_cpu(rt ? 664211871f53SŁukasz Gieryk n->pri_ctrl_cap.vifrt : n->pri_ctrl_cap.vqfrt); 664311871f53SŁukasz Gieryk *num_prim = le16_to_cpu(rt ? 664411871f53SŁukasz Gieryk n->pri_ctrl_cap.virfap : n->pri_ctrl_cap.vqrfap); 664511871f53SŁukasz Gieryk *num_sec = le16_to_cpu(rt ? n->pri_ctrl_cap.virfa : n->pri_ctrl_cap.vqrfa); 664611871f53SŁukasz Gieryk } 664711871f53SŁukasz Gieryk 664811871f53SŁukasz Gieryk static uint16_t nvme_assign_virt_res_to_prim(NvmeCtrl *n, NvmeRequest *req, 664911871f53SŁukasz Gieryk uint16_t cntlid, uint8_t rt, 665011871f53SŁukasz Gieryk int nr) 665111871f53SŁukasz Gieryk { 665211871f53SŁukasz Gieryk int num_total, num_prim, num_sec; 665311871f53SŁukasz Gieryk 665411871f53SŁukasz Gieryk if (cntlid != n->cntlid) { 665511871f53SŁukasz Gieryk return NVME_INVALID_CTRL_ID | NVME_DNR; 665611871f53SŁukasz Gieryk } 665711871f53SŁukasz Gieryk 665811871f53SŁukasz Gieryk nvme_get_virt_res_num(n, rt, &num_total, &num_prim, &num_sec); 665911871f53SŁukasz Gieryk 666011871f53SŁukasz Gieryk if (nr > num_total) { 666111871f53SŁukasz Gieryk return NVME_INVALID_NUM_RESOURCES | NVME_DNR; 666211871f53SŁukasz Gieryk } 666311871f53SŁukasz Gieryk 666411871f53SŁukasz Gieryk if (nr > num_total - num_sec) { 666511871f53SŁukasz Gieryk return NVME_INVALID_RESOURCE_ID | NVME_DNR; 666611871f53SŁukasz Gieryk } 666711871f53SŁukasz Gieryk 666811871f53SŁukasz Gieryk if (rt) { 666911871f53SŁukasz Gieryk n->next_pri_ctrl_cap.virfap = cpu_to_le16(nr); 667011871f53SŁukasz Gieryk } else { 667111871f53SŁukasz Gieryk n->next_pri_ctrl_cap.vqrfap = cpu_to_le16(nr); 667211871f53SŁukasz Gieryk } 667311871f53SŁukasz Gieryk 667411871f53SŁukasz Gieryk req->cqe.result = cpu_to_le32(nr); 667511871f53SŁukasz Gieryk return req->status; 667611871f53SŁukasz Gieryk } 667711871f53SŁukasz Gieryk 667811871f53SŁukasz Gieryk static void nvme_update_virt_res(NvmeCtrl *n, NvmeSecCtrlEntry *sctrl, 667911871f53SŁukasz Gieryk uint8_t rt, int nr) 668011871f53SŁukasz Gieryk { 668111871f53SŁukasz Gieryk int prev_nr, prev_total; 668211871f53SŁukasz Gieryk 668311871f53SŁukasz Gieryk if (rt) { 668411871f53SŁukasz Gieryk prev_nr = le16_to_cpu(sctrl->nvi); 668511871f53SŁukasz Gieryk prev_total = le32_to_cpu(n->pri_ctrl_cap.virfa); 668611871f53SŁukasz Gieryk sctrl->nvi = cpu_to_le16(nr); 668711871f53SŁukasz Gieryk n->pri_ctrl_cap.virfa = cpu_to_le32(prev_total + nr - prev_nr); 668811871f53SŁukasz Gieryk } else { 668911871f53SŁukasz Gieryk prev_nr = le16_to_cpu(sctrl->nvq); 669011871f53SŁukasz Gieryk prev_total = le32_to_cpu(n->pri_ctrl_cap.vqrfa); 669111871f53SŁukasz Gieryk sctrl->nvq = cpu_to_le16(nr); 669211871f53SŁukasz Gieryk n->pri_ctrl_cap.vqrfa = cpu_to_le32(prev_total + nr - prev_nr); 669311871f53SŁukasz Gieryk } 669411871f53SŁukasz Gieryk } 669511871f53SŁukasz Gieryk 669611871f53SŁukasz Gieryk static uint16_t nvme_assign_virt_res_to_sec(NvmeCtrl *n, NvmeRequest *req, 669711871f53SŁukasz Gieryk uint16_t cntlid, uint8_t rt, int nr) 669811871f53SŁukasz Gieryk { 669911871f53SŁukasz Gieryk int num_total, num_prim, num_sec, num_free, diff, limit; 670011871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl; 670111871f53SŁukasz Gieryk 670211871f53SŁukasz Gieryk sctrl = nvme_sctrl_for_cntlid(n, cntlid); 670311871f53SŁukasz Gieryk if (!sctrl) { 670411871f53SŁukasz Gieryk return NVME_INVALID_CTRL_ID | NVME_DNR; 670511871f53SŁukasz Gieryk } 670611871f53SŁukasz Gieryk 670711871f53SŁukasz Gieryk if (sctrl->scs) { 670811871f53SŁukasz Gieryk return NVME_INVALID_SEC_CTRL_STATE | NVME_DNR; 670911871f53SŁukasz Gieryk } 671011871f53SŁukasz Gieryk 671111871f53SŁukasz Gieryk limit = le16_to_cpu(rt ? n->pri_ctrl_cap.vifrsm : n->pri_ctrl_cap.vqfrsm); 671211871f53SŁukasz Gieryk if (nr > limit) { 671311871f53SŁukasz Gieryk return NVME_INVALID_NUM_RESOURCES | NVME_DNR; 671411871f53SŁukasz Gieryk } 671511871f53SŁukasz Gieryk 671611871f53SŁukasz Gieryk nvme_get_virt_res_num(n, rt, &num_total, &num_prim, &num_sec); 671711871f53SŁukasz Gieryk num_free = num_total - num_prim - num_sec; 671811871f53SŁukasz Gieryk diff = nr - le16_to_cpu(rt ? sctrl->nvi : sctrl->nvq); 671911871f53SŁukasz Gieryk 672011871f53SŁukasz Gieryk if (diff > num_free) { 672111871f53SŁukasz Gieryk return NVME_INVALID_RESOURCE_ID | NVME_DNR; 672211871f53SŁukasz Gieryk } 672311871f53SŁukasz Gieryk 672411871f53SŁukasz Gieryk nvme_update_virt_res(n, sctrl, rt, nr); 672511871f53SŁukasz Gieryk req->cqe.result = cpu_to_le32(nr); 672611871f53SŁukasz Gieryk 672711871f53SŁukasz Gieryk return req->status; 672811871f53SŁukasz Gieryk } 672911871f53SŁukasz Gieryk 673011871f53SŁukasz Gieryk static uint16_t nvme_virt_set_state(NvmeCtrl *n, uint16_t cntlid, bool online) 673111871f53SŁukasz Gieryk { 673248b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 673311871f53SŁukasz Gieryk NvmeCtrl *sn = NULL; 673411871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl; 673511871f53SŁukasz Gieryk int vf_index; 673611871f53SŁukasz Gieryk 673711871f53SŁukasz Gieryk sctrl = nvme_sctrl_for_cntlid(n, cntlid); 673811871f53SŁukasz Gieryk if (!sctrl) { 673911871f53SŁukasz Gieryk return NVME_INVALID_CTRL_ID | NVME_DNR; 674011871f53SŁukasz Gieryk } 674111871f53SŁukasz Gieryk 674248b32c28SKlaus Jensen if (!pci_is_vf(pci)) { 674311871f53SŁukasz Gieryk vf_index = le16_to_cpu(sctrl->vfn) - 1; 674448b32c28SKlaus Jensen sn = NVME(pcie_sriov_get_vf_at_index(pci, vf_index)); 674511871f53SŁukasz Gieryk } 674611871f53SŁukasz Gieryk 674711871f53SŁukasz Gieryk if (online) { 674811871f53SŁukasz Gieryk if (!sctrl->nvi || (le16_to_cpu(sctrl->nvq) < 2) || !sn) { 674911871f53SŁukasz Gieryk return NVME_INVALID_SEC_CTRL_STATE | NVME_DNR; 675011871f53SŁukasz Gieryk } 675111871f53SŁukasz Gieryk 675211871f53SŁukasz Gieryk if (!sctrl->scs) { 675311871f53SŁukasz Gieryk sctrl->scs = 0x1; 675411871f53SŁukasz Gieryk nvme_ctrl_reset(sn, NVME_RESET_FUNCTION); 675511871f53SŁukasz Gieryk } 675611871f53SŁukasz Gieryk } else { 675711871f53SŁukasz Gieryk nvme_update_virt_res(n, sctrl, NVME_VIRT_RES_INTERRUPT, 0); 675811871f53SŁukasz Gieryk nvme_update_virt_res(n, sctrl, NVME_VIRT_RES_QUEUE, 0); 675911871f53SŁukasz Gieryk 676011871f53SŁukasz Gieryk if (sctrl->scs) { 676111871f53SŁukasz Gieryk sctrl->scs = 0x0; 676211871f53SŁukasz Gieryk if (sn) { 676311871f53SŁukasz Gieryk nvme_ctrl_reset(sn, NVME_RESET_FUNCTION); 676411871f53SŁukasz Gieryk } 676511871f53SŁukasz Gieryk } 676611871f53SŁukasz Gieryk } 676711871f53SŁukasz Gieryk 676811871f53SŁukasz Gieryk return NVME_SUCCESS; 676911871f53SŁukasz Gieryk } 677011871f53SŁukasz Gieryk 677111871f53SŁukasz Gieryk static uint16_t nvme_virt_mngmt(NvmeCtrl *n, NvmeRequest *req) 677211871f53SŁukasz Gieryk { 677311871f53SŁukasz Gieryk uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 677411871f53SŁukasz Gieryk uint32_t dw11 = le32_to_cpu(req->cmd.cdw11); 677511871f53SŁukasz Gieryk uint8_t act = dw10 & 0xf; 677611871f53SŁukasz Gieryk uint8_t rt = (dw10 >> 8) & 0x7; 677711871f53SŁukasz Gieryk uint16_t cntlid = (dw10 >> 16) & 0xffff; 677811871f53SŁukasz Gieryk int nr = dw11 & 0xffff; 677911871f53SŁukasz Gieryk 678011871f53SŁukasz Gieryk trace_pci_nvme_virt_mngmt(nvme_cid(req), act, cntlid, rt ? "VI" : "VQ", nr); 678111871f53SŁukasz Gieryk 678211871f53SŁukasz Gieryk if (rt != NVME_VIRT_RES_QUEUE && rt != NVME_VIRT_RES_INTERRUPT) { 678311871f53SŁukasz Gieryk return NVME_INVALID_RESOURCE_ID | NVME_DNR; 678411871f53SŁukasz Gieryk } 678511871f53SŁukasz Gieryk 678611871f53SŁukasz Gieryk switch (act) { 678711871f53SŁukasz Gieryk case NVME_VIRT_MNGMT_ACTION_SEC_ASSIGN: 678811871f53SŁukasz Gieryk return nvme_assign_virt_res_to_sec(n, req, cntlid, rt, nr); 678911871f53SŁukasz Gieryk case NVME_VIRT_MNGMT_ACTION_PRM_ALLOC: 679011871f53SŁukasz Gieryk return nvme_assign_virt_res_to_prim(n, req, cntlid, rt, nr); 679111871f53SŁukasz Gieryk case NVME_VIRT_MNGMT_ACTION_SEC_ONLINE: 679211871f53SŁukasz Gieryk return nvme_virt_set_state(n, cntlid, true); 679311871f53SŁukasz Gieryk case NVME_VIRT_MNGMT_ACTION_SEC_OFFLINE: 679411871f53SŁukasz Gieryk return nvme_virt_set_state(n, cntlid, false); 679511871f53SŁukasz Gieryk default: 679611871f53SŁukasz Gieryk return NVME_INVALID_FIELD | NVME_DNR; 679711871f53SŁukasz Gieryk } 679811871f53SŁukasz Gieryk } 679911871f53SŁukasz Gieryk 68003f7fe8deSJinhao Fan static uint16_t nvme_dbbuf_config(NvmeCtrl *n, const NvmeRequest *req) 68013f7fe8deSJinhao Fan { 680248b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 68033f7fe8deSJinhao Fan uint64_t dbs_addr = le64_to_cpu(req->cmd.dptr.prp1); 68043f7fe8deSJinhao Fan uint64_t eis_addr = le64_to_cpu(req->cmd.dptr.prp2); 68053f7fe8deSJinhao Fan int i; 68063f7fe8deSJinhao Fan 68073f7fe8deSJinhao Fan /* Address should be page aligned */ 68083f7fe8deSJinhao Fan if (dbs_addr & (n->page_size - 1) || eis_addr & (n->page_size - 1)) { 68093f7fe8deSJinhao Fan return NVME_INVALID_FIELD | NVME_DNR; 68103f7fe8deSJinhao Fan } 68113f7fe8deSJinhao Fan 68123f7fe8deSJinhao Fan /* Save shadow buffer base addr for use during queue creation */ 68133f7fe8deSJinhao Fan n->dbbuf_dbs = dbs_addr; 68143f7fe8deSJinhao Fan n->dbbuf_eis = eis_addr; 68153f7fe8deSJinhao Fan n->dbbuf_enabled = true; 68163f7fe8deSJinhao Fan 68173f7fe8deSJinhao Fan for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 68183f7fe8deSJinhao Fan NvmeSQueue *sq = n->sq[i]; 68193f7fe8deSJinhao Fan NvmeCQueue *cq = n->cq[i]; 68203f7fe8deSJinhao Fan 68213f7fe8deSJinhao Fan if (sq) { 68223f7fe8deSJinhao Fan /* 68233f7fe8deSJinhao Fan * CAP.DSTRD is 0, so offset of ith sq db_addr is (i<<3) 68243f7fe8deSJinhao Fan * nvme_process_db() uses this hard-coded way to calculate 68253f7fe8deSJinhao Fan * doorbell offsets. Be consistent with that here. 68263f7fe8deSJinhao Fan */ 68273f7fe8deSJinhao Fan sq->db_addr = dbs_addr + (i << 3); 68283f7fe8deSJinhao Fan sq->ei_addr = eis_addr + (i << 3); 6829c1e244b6SKlaus Jensen stl_le_pci_dma(pci, sq->db_addr, sq->tail, MEMTXATTRS_UNSPECIFIED); 68302e53b0b4SJinhao Fan 68312e53b0b4SJinhao Fan if (n->params.ioeventfd && sq->sqid != 0) { 68322e53b0b4SJinhao Fan if (!nvme_init_sq_ioeventfd(sq)) { 68332e53b0b4SJinhao Fan sq->ioeventfd_enabled = true; 68342e53b0b4SJinhao Fan } 68352e53b0b4SJinhao Fan } 68363f7fe8deSJinhao Fan } 68373f7fe8deSJinhao Fan 68383f7fe8deSJinhao Fan if (cq) { 68393f7fe8deSJinhao Fan /* CAP.DSTRD is 0, so offset of ith cq db_addr is (i<<3)+(1<<2) */ 68403f7fe8deSJinhao Fan cq->db_addr = dbs_addr + (i << 3) + (1 << 2); 68413f7fe8deSJinhao Fan cq->ei_addr = eis_addr + (i << 3) + (1 << 2); 6842c1e244b6SKlaus Jensen stl_le_pci_dma(pci, cq->db_addr, cq->head, MEMTXATTRS_UNSPECIFIED); 68432e53b0b4SJinhao Fan 68442e53b0b4SJinhao Fan if (n->params.ioeventfd && cq->cqid != 0) { 68452e53b0b4SJinhao Fan if (!nvme_init_cq_ioeventfd(cq)) { 68462e53b0b4SJinhao Fan cq->ioeventfd_enabled = true; 68472e53b0b4SJinhao Fan } 68482e53b0b4SJinhao Fan } 68493f7fe8deSJinhao Fan } 68503f7fe8deSJinhao Fan } 68513f7fe8deSJinhao Fan 6852387350d5SJinhao Fan trace_pci_nvme_dbbuf_config(dbs_addr, eis_addr); 6853387350d5SJinhao Fan 68543f7fe8deSJinhao Fan return NVME_SUCCESS; 68553f7fe8deSJinhao Fan } 68563f7fe8deSJinhao Fan 6857e181d3daSGollu Appalanaidu static uint16_t nvme_directive_send(NvmeCtrl *n, NvmeRequest *req) 6858e181d3daSGollu Appalanaidu { 6859e181d3daSGollu Appalanaidu return NVME_INVALID_FIELD | NVME_DNR; 6860e181d3daSGollu Appalanaidu } 6861e181d3daSGollu Appalanaidu 6862e181d3daSGollu Appalanaidu static uint16_t nvme_directive_receive(NvmeCtrl *n, NvmeRequest *req) 6863e181d3daSGollu Appalanaidu { 686473064edfSJesper Devantier NvmeNamespace *ns; 6865e181d3daSGollu Appalanaidu uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 6866e181d3daSGollu Appalanaidu uint32_t dw11 = le32_to_cpu(req->cmd.cdw11); 6867e181d3daSGollu Appalanaidu uint32_t nsid = le32_to_cpu(req->cmd.nsid); 6868e181d3daSGollu Appalanaidu uint8_t doper, dtype; 6869e181d3daSGollu Appalanaidu uint32_t numd, trans_len; 6870e181d3daSGollu Appalanaidu NvmeDirectiveIdentify id = { 6871e181d3daSGollu Appalanaidu .supported = 1 << NVME_DIRECTIVE_IDENTIFY, 6872e181d3daSGollu Appalanaidu .enabled = 1 << NVME_DIRECTIVE_IDENTIFY, 6873e181d3daSGollu Appalanaidu }; 6874e181d3daSGollu Appalanaidu 6875e181d3daSGollu Appalanaidu numd = dw10 + 1; 6876e181d3daSGollu Appalanaidu doper = dw11 & 0xff; 6877e181d3daSGollu Appalanaidu dtype = (dw11 >> 8) & 0xff; 6878e181d3daSGollu Appalanaidu 6879e181d3daSGollu Appalanaidu trans_len = MIN(sizeof(NvmeDirectiveIdentify), numd << 2); 6880e181d3daSGollu Appalanaidu 6881e181d3daSGollu Appalanaidu if (nsid == NVME_NSID_BROADCAST || dtype != NVME_DIRECTIVE_IDENTIFY || 6882e181d3daSGollu Appalanaidu doper != NVME_DIRECTIVE_RETURN_PARAMS) { 6883e181d3daSGollu Appalanaidu return NVME_INVALID_FIELD | NVME_DNR; 6884e181d3daSGollu Appalanaidu } 6885e181d3daSGollu Appalanaidu 688673064edfSJesper Devantier ns = nvme_ns(n, nsid); 688773064edfSJesper Devantier if (!ns) { 688873064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 688973064edfSJesper Devantier } 689073064edfSJesper Devantier 689173064edfSJesper Devantier switch (dtype) { 689273064edfSJesper Devantier case NVME_DIRECTIVE_IDENTIFY: 689373064edfSJesper Devantier switch (doper) { 689473064edfSJesper Devantier case NVME_DIRECTIVE_RETURN_PARAMS: 689573064edfSJesper Devantier if (ns->endgrp->fdp.enabled) { 689673064edfSJesper Devantier id.supported |= 1 << NVME_DIRECTIVE_DATA_PLACEMENT; 689773064edfSJesper Devantier id.enabled |= 1 << NVME_DIRECTIVE_DATA_PLACEMENT; 689873064edfSJesper Devantier id.persistent |= 1 << NVME_DIRECTIVE_DATA_PLACEMENT; 689973064edfSJesper Devantier } 690073064edfSJesper Devantier 6901e181d3daSGollu Appalanaidu return nvme_c2h(n, (uint8_t *)&id, trans_len, req); 690273064edfSJesper Devantier 690373064edfSJesper Devantier default: 690473064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 690573064edfSJesper Devantier } 690673064edfSJesper Devantier 690773064edfSJesper Devantier default: 690873064edfSJesper Devantier return NVME_INVALID_FIELD; 690973064edfSJesper Devantier } 6910e181d3daSGollu Appalanaidu } 6911e181d3daSGollu Appalanaidu 691288eea45cSKlaus Jensen static uint16_t nvme_admin_cmd(NvmeCtrl *n, NvmeRequest *req) 691388eea45cSKlaus Jensen { 691488eea45cSKlaus Jensen trace_pci_nvme_admin_cmd(nvme_cid(req), nvme_sqid(req), req->cmd.opcode, 691588eea45cSKlaus Jensen nvme_adm_opc_str(req->cmd.opcode)); 691688eea45cSKlaus Jensen 691788eea45cSKlaus Jensen if (!(nvme_cse_acs[req->cmd.opcode] & NVME_CMD_EFF_CSUPP)) { 691888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_admin_opc(req->cmd.opcode); 691988eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 692088eea45cSKlaus Jensen } 692188eea45cSKlaus Jensen 692288eea45cSKlaus Jensen /* SGLs shall not be used for Admin commands in NVMe over PCIe */ 692388eea45cSKlaus Jensen if (NVME_CMD_FLAGS_PSDT(req->cmd.flags) != NVME_PSDT_PRP) { 692488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 692588eea45cSKlaus Jensen } 692688eea45cSKlaus Jensen 6927c53a9a91SPankaj Raghav if (NVME_CMD_FLAGS_FUSE(req->cmd.flags)) { 6928c53a9a91SPankaj Raghav return NVME_INVALID_FIELD; 6929c53a9a91SPankaj Raghav } 6930c53a9a91SPankaj Raghav 693188eea45cSKlaus Jensen switch (req->cmd.opcode) { 693288eea45cSKlaus Jensen case NVME_ADM_CMD_DELETE_SQ: 693388eea45cSKlaus Jensen return nvme_del_sq(n, req); 693488eea45cSKlaus Jensen case NVME_ADM_CMD_CREATE_SQ: 693588eea45cSKlaus Jensen return nvme_create_sq(n, req); 693688eea45cSKlaus Jensen case NVME_ADM_CMD_GET_LOG_PAGE: 693788eea45cSKlaus Jensen return nvme_get_log(n, req); 693888eea45cSKlaus Jensen case NVME_ADM_CMD_DELETE_CQ: 693988eea45cSKlaus Jensen return nvme_del_cq(n, req); 694088eea45cSKlaus Jensen case NVME_ADM_CMD_CREATE_CQ: 694188eea45cSKlaus Jensen return nvme_create_cq(n, req); 694288eea45cSKlaus Jensen case NVME_ADM_CMD_IDENTIFY: 694388eea45cSKlaus Jensen return nvme_identify(n, req); 694488eea45cSKlaus Jensen case NVME_ADM_CMD_ABORT: 694588eea45cSKlaus Jensen return nvme_abort(n, req); 694688eea45cSKlaus Jensen case NVME_ADM_CMD_SET_FEATURES: 694788eea45cSKlaus Jensen return nvme_set_feature(n, req); 694888eea45cSKlaus Jensen case NVME_ADM_CMD_GET_FEATURES: 694988eea45cSKlaus Jensen return nvme_get_feature(n, req); 695088eea45cSKlaus Jensen case NVME_ADM_CMD_ASYNC_EV_REQ: 695188eea45cSKlaus Jensen return nvme_aer(n, req); 695288eea45cSKlaus Jensen case NVME_ADM_CMD_NS_ATTACHMENT: 695388eea45cSKlaus Jensen return nvme_ns_attachment(n, req); 695411871f53SŁukasz Gieryk case NVME_ADM_CMD_VIRT_MNGMT: 695511871f53SŁukasz Gieryk return nvme_virt_mngmt(n, req); 69563f7fe8deSJinhao Fan case NVME_ADM_CMD_DBBUF_CONFIG: 69573f7fe8deSJinhao Fan return nvme_dbbuf_config(n, req); 695888eea45cSKlaus Jensen case NVME_ADM_CMD_FORMAT_NVM: 695988eea45cSKlaus Jensen return nvme_format(n, req); 6960e181d3daSGollu Appalanaidu case NVME_ADM_CMD_DIRECTIVE_SEND: 6961e181d3daSGollu Appalanaidu return nvme_directive_send(n, req); 6962e181d3daSGollu Appalanaidu case NVME_ADM_CMD_DIRECTIVE_RECV: 6963e181d3daSGollu Appalanaidu return nvme_directive_receive(n, req); 696488eea45cSKlaus Jensen default: 696588eea45cSKlaus Jensen assert(false); 696688eea45cSKlaus Jensen } 696788eea45cSKlaus Jensen 696888eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 696988eea45cSKlaus Jensen } 697088eea45cSKlaus Jensen 69713f7fe8deSJinhao Fan static void nvme_update_sq_eventidx(const NvmeSQueue *sq) 69723f7fe8deSJinhao Fan { 697347cd3539SKlaus Jensen trace_pci_nvme_update_sq_eventidx(sq->sqid, sq->tail); 697447cd3539SKlaus Jensen 6975c1e244b6SKlaus Jensen stl_le_pci_dma(PCI_DEVICE(sq->ctrl), sq->ei_addr, sq->tail, 6976c1e244b6SKlaus Jensen MEMTXATTRS_UNSPECIFIED); 69773f7fe8deSJinhao Fan } 69783f7fe8deSJinhao Fan 69793f7fe8deSJinhao Fan static void nvme_update_sq_tail(NvmeSQueue *sq) 69803f7fe8deSJinhao Fan { 6981c1e244b6SKlaus Jensen ldl_le_pci_dma(PCI_DEVICE(sq->ctrl), sq->db_addr, &sq->tail, 6982c1e244b6SKlaus Jensen MEMTXATTRS_UNSPECIFIED); 698347cd3539SKlaus Jensen 698447cd3539SKlaus Jensen trace_pci_nvme_update_sq_tail(sq->sqid, sq->tail); 69853f7fe8deSJinhao Fan } 69863f7fe8deSJinhao Fan 698788eea45cSKlaus Jensen static void nvme_process_sq(void *opaque) 698888eea45cSKlaus Jensen { 698988eea45cSKlaus Jensen NvmeSQueue *sq = opaque; 699088eea45cSKlaus Jensen NvmeCtrl *n = sq->ctrl; 699188eea45cSKlaus Jensen NvmeCQueue *cq = n->cq[sq->cqid]; 699288eea45cSKlaus Jensen 699388eea45cSKlaus Jensen uint16_t status; 699488eea45cSKlaus Jensen hwaddr addr; 699588eea45cSKlaus Jensen NvmeCmd cmd; 699688eea45cSKlaus Jensen NvmeRequest *req; 699788eea45cSKlaus Jensen 69983f7fe8deSJinhao Fan if (n->dbbuf_enabled) { 69993f7fe8deSJinhao Fan nvme_update_sq_tail(sq); 70003f7fe8deSJinhao Fan } 70013f7fe8deSJinhao Fan 700288eea45cSKlaus Jensen while (!(nvme_sq_empty(sq) || QTAILQ_EMPTY(&sq->req_list))) { 700388eea45cSKlaus Jensen addr = sq->dma_addr + sq->head * n->sqe_size; 700488eea45cSKlaus Jensen if (nvme_addr_read(n, addr, (void *)&cmd, sizeof(cmd))) { 700588eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 700688eea45cSKlaus Jensen trace_pci_nvme_err_cfs(); 700749e03457SKlaus Jensen stl_le_p(&n->bar.csts, NVME_CSTS_FAILED); 700888eea45cSKlaus Jensen break; 700988eea45cSKlaus Jensen } 701088eea45cSKlaus Jensen nvme_inc_sq_head(sq); 701188eea45cSKlaus Jensen 701288eea45cSKlaus Jensen req = QTAILQ_FIRST(&sq->req_list); 701388eea45cSKlaus Jensen QTAILQ_REMOVE(&sq->req_list, req, entry); 701488eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->out_req_list, req, entry); 701588eea45cSKlaus Jensen nvme_req_clear(req); 701688eea45cSKlaus Jensen req->cqe.cid = cmd.cid; 701788eea45cSKlaus Jensen memcpy(&req->cmd, &cmd, sizeof(NvmeCmd)); 701888eea45cSKlaus Jensen 701988eea45cSKlaus Jensen status = sq->sqid ? nvme_io_cmd(n, req) : 702088eea45cSKlaus Jensen nvme_admin_cmd(n, req); 702188eea45cSKlaus Jensen if (status != NVME_NO_COMPLETE) { 702288eea45cSKlaus Jensen req->status = status; 702388eea45cSKlaus Jensen nvme_enqueue_req_completion(cq, req); 702488eea45cSKlaus Jensen } 70253f7fe8deSJinhao Fan 70263f7fe8deSJinhao Fan if (n->dbbuf_enabled) { 70273f7fe8deSJinhao Fan nvme_update_sq_eventidx(sq); 70283f7fe8deSJinhao Fan nvme_update_sq_tail(sq); 70293f7fe8deSJinhao Fan } 703088eea45cSKlaus Jensen } 703188eea45cSKlaus Jensen } 703288eea45cSKlaus Jensen 7033decc0261SŁukasz Gieryk static void nvme_update_msixcap_ts(PCIDevice *pci_dev, uint32_t table_size) 7034decc0261SŁukasz Gieryk { 7035decc0261SŁukasz Gieryk uint8_t *config; 7036decc0261SŁukasz Gieryk 7037decc0261SŁukasz Gieryk if (!msix_present(pci_dev)) { 7038decc0261SŁukasz Gieryk return; 7039decc0261SŁukasz Gieryk } 7040decc0261SŁukasz Gieryk 7041decc0261SŁukasz Gieryk assert(table_size > 0 && table_size <= pci_dev->msix_entries_nr); 7042decc0261SŁukasz Gieryk 7043decc0261SŁukasz Gieryk config = pci_dev->config + pci_dev->msix_cap; 7044decc0261SŁukasz Gieryk pci_set_word_by_mask(config + PCI_MSIX_FLAGS, PCI_MSIX_FLAGS_QSIZE, 7045decc0261SŁukasz Gieryk table_size - 1); 7046decc0261SŁukasz Gieryk } 7047decc0261SŁukasz Gieryk 704811871f53SŁukasz Gieryk static void nvme_activate_virt_res(NvmeCtrl *n) 704911871f53SŁukasz Gieryk { 705048b32c28SKlaus Jensen PCIDevice *pci_dev = PCI_DEVICE(n); 705111871f53SŁukasz Gieryk NvmePriCtrlCap *cap = &n->pri_ctrl_cap; 705211871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl; 705311871f53SŁukasz Gieryk 705411871f53SŁukasz Gieryk /* -1 to account for the admin queue */ 705511871f53SŁukasz Gieryk if (pci_is_vf(pci_dev)) { 705611871f53SŁukasz Gieryk sctrl = nvme_sctrl(n); 705711871f53SŁukasz Gieryk cap->vqprt = sctrl->nvq; 705811871f53SŁukasz Gieryk cap->viprt = sctrl->nvi; 705911871f53SŁukasz Gieryk n->conf_ioqpairs = sctrl->nvq ? le16_to_cpu(sctrl->nvq) - 1 : 0; 706011871f53SŁukasz Gieryk n->conf_msix_qsize = sctrl->nvi ? le16_to_cpu(sctrl->nvi) : 1; 706111871f53SŁukasz Gieryk } else { 706211871f53SŁukasz Gieryk cap->vqrfap = n->next_pri_ctrl_cap.vqrfap; 706311871f53SŁukasz Gieryk cap->virfap = n->next_pri_ctrl_cap.virfap; 706411871f53SŁukasz Gieryk n->conf_ioqpairs = le16_to_cpu(cap->vqprt) + 706511871f53SŁukasz Gieryk le16_to_cpu(cap->vqrfap) - 1; 706611871f53SŁukasz Gieryk n->conf_msix_qsize = le16_to_cpu(cap->viprt) + 706711871f53SŁukasz Gieryk le16_to_cpu(cap->virfap); 706811871f53SŁukasz Gieryk } 706911871f53SŁukasz Gieryk } 707011871f53SŁukasz Gieryk 70711e9c685eSŁukasz Gieryk static void nvme_ctrl_reset(NvmeCtrl *n, NvmeResetType rst) 707288eea45cSKlaus Jensen { 707348b32c28SKlaus Jensen PCIDevice *pci_dev = PCI_DEVICE(n); 707411871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl; 707588eea45cSKlaus Jensen NvmeNamespace *ns; 707688eea45cSKlaus Jensen int i; 707788eea45cSKlaus Jensen 707888eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 707988eea45cSKlaus Jensen ns = nvme_ns(n, i); 708088eea45cSKlaus Jensen if (!ns) { 708188eea45cSKlaus Jensen continue; 708288eea45cSKlaus Jensen } 708388eea45cSKlaus Jensen 708488eea45cSKlaus Jensen nvme_ns_drain(ns); 708588eea45cSKlaus Jensen } 708688eea45cSKlaus Jensen 708788eea45cSKlaus Jensen for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 708888eea45cSKlaus Jensen if (n->sq[i] != NULL) { 708988eea45cSKlaus Jensen nvme_free_sq(n->sq[i], n); 709088eea45cSKlaus Jensen } 709188eea45cSKlaus Jensen } 709288eea45cSKlaus Jensen for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 709388eea45cSKlaus Jensen if (n->cq[i] != NULL) { 709488eea45cSKlaus Jensen nvme_free_cq(n->cq[i], n); 709588eea45cSKlaus Jensen } 709688eea45cSKlaus Jensen } 709788eea45cSKlaus Jensen 709888eea45cSKlaus Jensen while (!QTAILQ_EMPTY(&n->aer_queue)) { 709988eea45cSKlaus Jensen NvmeAsyncEvent *event = QTAILQ_FIRST(&n->aer_queue); 710088eea45cSKlaus Jensen QTAILQ_REMOVE(&n->aer_queue, event, entry); 710188eea45cSKlaus Jensen g_free(event); 710288eea45cSKlaus Jensen } 710388eea45cSKlaus Jensen 710411871f53SŁukasz Gieryk if (n->params.sriov_max_vfs) { 710511871f53SŁukasz Gieryk if (!pci_is_vf(pci_dev)) { 710611871f53SŁukasz Gieryk for (i = 0; i < n->sec_ctrl_list.numcntl; i++) { 710711871f53SŁukasz Gieryk sctrl = &n->sec_ctrl_list.sec[i]; 710811871f53SŁukasz Gieryk nvme_virt_set_state(n, le16_to_cpu(sctrl->scid), false); 710911871f53SŁukasz Gieryk } 711011871f53SŁukasz Gieryk 71111e9c685eSŁukasz Gieryk if (rst != NVME_RESET_CONTROLLER) { 7112decc0261SŁukasz Gieryk pcie_sriov_pf_disable_vfs(pci_dev); 711344c2c094SLukasz Maniak } 71141e9c685eSŁukasz Gieryk } 711544c2c094SLukasz Maniak 711611871f53SŁukasz Gieryk if (rst != NVME_RESET_CONTROLLER) { 711711871f53SŁukasz Gieryk nvme_activate_virt_res(n); 711811871f53SŁukasz Gieryk } 711911871f53SŁukasz Gieryk } 712011871f53SŁukasz Gieryk 712188eea45cSKlaus Jensen n->aer_queued = 0; 712298836e8eSKlaus Jensen n->aer_mask = 0; 712388eea45cSKlaus Jensen n->outstanding_aers = 0; 712488eea45cSKlaus Jensen n->qs_created = false; 7125decc0261SŁukasz Gieryk 7126decc0261SŁukasz Gieryk nvme_update_msixcap_ts(pci_dev, n->conf_msix_qsize); 712711871f53SŁukasz Gieryk 712811871f53SŁukasz Gieryk if (pci_is_vf(pci_dev)) { 712911871f53SŁukasz Gieryk sctrl = nvme_sctrl(n); 7130cc9bcee2SKlaus Jensen 713111871f53SŁukasz Gieryk stl_le_p(&n->bar.csts, sctrl->scs ? 0 : NVME_CSTS_FAILED); 713211871f53SŁukasz Gieryk } else { 713311871f53SŁukasz Gieryk stl_le_p(&n->bar.csts, 0); 713411871f53SŁukasz Gieryk } 7135cc9bcee2SKlaus Jensen 7136cc9bcee2SKlaus Jensen stl_le_p(&n->bar.intms, 0); 7137cc9bcee2SKlaus Jensen stl_le_p(&n->bar.intmc, 0); 7138cc9bcee2SKlaus Jensen stl_le_p(&n->bar.cc, 0); 71393f7fe8deSJinhao Fan 71403f7fe8deSJinhao Fan n->dbbuf_dbs = 0; 71413f7fe8deSJinhao Fan n->dbbuf_eis = 0; 71423f7fe8deSJinhao Fan n->dbbuf_enabled = false; 714388eea45cSKlaus Jensen } 714488eea45cSKlaus Jensen 714588eea45cSKlaus Jensen static void nvme_ctrl_shutdown(NvmeCtrl *n) 714688eea45cSKlaus Jensen { 714788eea45cSKlaus Jensen NvmeNamespace *ns; 714888eea45cSKlaus Jensen int i; 714988eea45cSKlaus Jensen 715088eea45cSKlaus Jensen if (n->pmr.dev) { 715188eea45cSKlaus Jensen memory_region_msync(&n->pmr.dev->mr, 0, n->pmr.dev->size); 715288eea45cSKlaus Jensen } 715388eea45cSKlaus Jensen 715488eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 715588eea45cSKlaus Jensen ns = nvme_ns(n, i); 715688eea45cSKlaus Jensen if (!ns) { 715788eea45cSKlaus Jensen continue; 715888eea45cSKlaus Jensen } 715988eea45cSKlaus Jensen 716088eea45cSKlaus Jensen nvme_ns_shutdown(ns); 716188eea45cSKlaus Jensen } 716288eea45cSKlaus Jensen } 716388eea45cSKlaus Jensen 716488eea45cSKlaus Jensen static void nvme_select_iocs(NvmeCtrl *n) 716588eea45cSKlaus Jensen { 716688eea45cSKlaus Jensen NvmeNamespace *ns; 716788eea45cSKlaus Jensen int i; 716888eea45cSKlaus Jensen 716988eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 717088eea45cSKlaus Jensen ns = nvme_ns(n, i); 717188eea45cSKlaus Jensen if (!ns) { 717288eea45cSKlaus Jensen continue; 717388eea45cSKlaus Jensen } 717488eea45cSKlaus Jensen 717588eea45cSKlaus Jensen nvme_select_iocs_ns(n, ns); 717688eea45cSKlaus Jensen } 717788eea45cSKlaus Jensen } 717888eea45cSKlaus Jensen 717988eea45cSKlaus Jensen static int nvme_start_ctrl(NvmeCtrl *n) 718088eea45cSKlaus Jensen { 718149e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 718249e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 718349e03457SKlaus Jensen uint32_t aqa = ldl_le_p(&n->bar.aqa); 718449e03457SKlaus Jensen uint64_t asq = ldq_le_p(&n->bar.asq); 718549e03457SKlaus Jensen uint64_t acq = ldq_le_p(&n->bar.acq); 718649e03457SKlaus Jensen uint32_t page_bits = NVME_CC_MPS(cc) + 12; 718788eea45cSKlaus Jensen uint32_t page_size = 1 << page_bits; 718811871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl = nvme_sctrl(n); 718988eea45cSKlaus Jensen 719048b32c28SKlaus Jensen if (pci_is_vf(PCI_DEVICE(n)) && !sctrl->scs) { 719111871f53SŁukasz Gieryk trace_pci_nvme_err_startfail_virt_state(le16_to_cpu(sctrl->nvi), 71923488fc32SPaolo Bonzini le16_to_cpu(sctrl->nvq)); 719311871f53SŁukasz Gieryk return -1; 719411871f53SŁukasz Gieryk } 719588eea45cSKlaus Jensen if (unlikely(n->cq[0])) { 719688eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cq(); 719788eea45cSKlaus Jensen return -1; 719888eea45cSKlaus Jensen } 719988eea45cSKlaus Jensen if (unlikely(n->sq[0])) { 720088eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sq(); 720188eea45cSKlaus Jensen return -1; 720288eea45cSKlaus Jensen } 720349e03457SKlaus Jensen if (unlikely(asq & (page_size - 1))) { 720449e03457SKlaus Jensen trace_pci_nvme_err_startfail_asq_misaligned(asq); 720588eea45cSKlaus Jensen return -1; 720688eea45cSKlaus Jensen } 720749e03457SKlaus Jensen if (unlikely(acq & (page_size - 1))) { 720849e03457SKlaus Jensen trace_pci_nvme_err_startfail_acq_misaligned(acq); 720988eea45cSKlaus Jensen return -1; 721088eea45cSKlaus Jensen } 721149e03457SKlaus Jensen if (unlikely(!(NVME_CAP_CSS(cap) & (1 << NVME_CC_CSS(cc))))) { 721249e03457SKlaus Jensen trace_pci_nvme_err_startfail_css(NVME_CC_CSS(cc)); 721388eea45cSKlaus Jensen return -1; 721488eea45cSKlaus Jensen } 721549e03457SKlaus Jensen if (unlikely(NVME_CC_MPS(cc) < NVME_CAP_MPSMIN(cap))) { 721688eea45cSKlaus Jensen trace_pci_nvme_err_startfail_page_too_small( 721749e03457SKlaus Jensen NVME_CC_MPS(cc), 721849e03457SKlaus Jensen NVME_CAP_MPSMIN(cap)); 721988eea45cSKlaus Jensen return -1; 722088eea45cSKlaus Jensen } 722149e03457SKlaus Jensen if (unlikely(NVME_CC_MPS(cc) > 722249e03457SKlaus Jensen NVME_CAP_MPSMAX(cap))) { 722388eea45cSKlaus Jensen trace_pci_nvme_err_startfail_page_too_large( 722449e03457SKlaus Jensen NVME_CC_MPS(cc), 722549e03457SKlaus Jensen NVME_CAP_MPSMAX(cap)); 722688eea45cSKlaus Jensen return -1; 722788eea45cSKlaus Jensen } 722849e03457SKlaus Jensen if (unlikely(NVME_CC_IOCQES(cc) < 722988eea45cSKlaus Jensen NVME_CTRL_CQES_MIN(n->id_ctrl.cqes))) { 723088eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cqent_too_small( 723149e03457SKlaus Jensen NVME_CC_IOCQES(cc), 723249e03457SKlaus Jensen NVME_CTRL_CQES_MIN(cap)); 723388eea45cSKlaus Jensen return -1; 723488eea45cSKlaus Jensen } 723549e03457SKlaus Jensen if (unlikely(NVME_CC_IOCQES(cc) > 723688eea45cSKlaus Jensen NVME_CTRL_CQES_MAX(n->id_ctrl.cqes))) { 723788eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cqent_too_large( 723849e03457SKlaus Jensen NVME_CC_IOCQES(cc), 723949e03457SKlaus Jensen NVME_CTRL_CQES_MAX(cap)); 724088eea45cSKlaus Jensen return -1; 724188eea45cSKlaus Jensen } 724249e03457SKlaus Jensen if (unlikely(NVME_CC_IOSQES(cc) < 724388eea45cSKlaus Jensen NVME_CTRL_SQES_MIN(n->id_ctrl.sqes))) { 724488eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sqent_too_small( 724549e03457SKlaus Jensen NVME_CC_IOSQES(cc), 724649e03457SKlaus Jensen NVME_CTRL_SQES_MIN(cap)); 724788eea45cSKlaus Jensen return -1; 724888eea45cSKlaus Jensen } 724949e03457SKlaus Jensen if (unlikely(NVME_CC_IOSQES(cc) > 725088eea45cSKlaus Jensen NVME_CTRL_SQES_MAX(n->id_ctrl.sqes))) { 725188eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sqent_too_large( 725249e03457SKlaus Jensen NVME_CC_IOSQES(cc), 725349e03457SKlaus Jensen NVME_CTRL_SQES_MAX(cap)); 725488eea45cSKlaus Jensen return -1; 725588eea45cSKlaus Jensen } 725649e03457SKlaus Jensen if (unlikely(!NVME_AQA_ASQS(aqa))) { 725788eea45cSKlaus Jensen trace_pci_nvme_err_startfail_asqent_sz_zero(); 725888eea45cSKlaus Jensen return -1; 725988eea45cSKlaus Jensen } 726049e03457SKlaus Jensen if (unlikely(!NVME_AQA_ACQS(aqa))) { 726188eea45cSKlaus Jensen trace_pci_nvme_err_startfail_acqent_sz_zero(); 726288eea45cSKlaus Jensen return -1; 726388eea45cSKlaus Jensen } 726488eea45cSKlaus Jensen 726588eea45cSKlaus Jensen n->page_bits = page_bits; 726688eea45cSKlaus Jensen n->page_size = page_size; 726788eea45cSKlaus Jensen n->max_prp_ents = n->page_size / sizeof(uint64_t); 726849e03457SKlaus Jensen n->cqe_size = 1 << NVME_CC_IOCQES(cc); 726949e03457SKlaus Jensen n->sqe_size = 1 << NVME_CC_IOSQES(cc); 727049e03457SKlaus Jensen nvme_init_cq(&n->admin_cq, n, acq, 0, 0, NVME_AQA_ACQS(aqa) + 1, 1); 727149e03457SKlaus Jensen nvme_init_sq(&n->admin_sq, n, asq, 0, 0, NVME_AQA_ASQS(aqa) + 1); 727288eea45cSKlaus Jensen 727388eea45cSKlaus Jensen nvme_set_timestamp(n, 0ULL); 727488eea45cSKlaus Jensen 727588eea45cSKlaus Jensen nvme_select_iocs(n); 727688eea45cSKlaus Jensen 727788eea45cSKlaus Jensen return 0; 727888eea45cSKlaus Jensen } 727988eea45cSKlaus Jensen 728088eea45cSKlaus Jensen static void nvme_cmb_enable_regs(NvmeCtrl *n) 728188eea45cSKlaus Jensen { 728249e03457SKlaus Jensen uint32_t cmbloc = ldl_le_p(&n->bar.cmbloc); 728349e03457SKlaus Jensen uint32_t cmbsz = ldl_le_p(&n->bar.cmbsz); 728488eea45cSKlaus Jensen 728549e03457SKlaus Jensen NVME_CMBLOC_SET_CDPCILS(cmbloc, 1); 728649e03457SKlaus Jensen NVME_CMBLOC_SET_CDPMLS(cmbloc, 1); 728749e03457SKlaus Jensen NVME_CMBLOC_SET_BIR(cmbloc, NVME_CMB_BIR); 728849e03457SKlaus Jensen stl_le_p(&n->bar.cmbloc, cmbloc); 728949e03457SKlaus Jensen 729049e03457SKlaus Jensen NVME_CMBSZ_SET_SQS(cmbsz, 1); 729149e03457SKlaus Jensen NVME_CMBSZ_SET_CQS(cmbsz, 0); 729249e03457SKlaus Jensen NVME_CMBSZ_SET_LISTS(cmbsz, 1); 729349e03457SKlaus Jensen NVME_CMBSZ_SET_RDS(cmbsz, 1); 729449e03457SKlaus Jensen NVME_CMBSZ_SET_WDS(cmbsz, 1); 729549e03457SKlaus Jensen NVME_CMBSZ_SET_SZU(cmbsz, 2); /* MBs */ 729649e03457SKlaus Jensen NVME_CMBSZ_SET_SZ(cmbsz, n->params.cmb_size_mb); 729749e03457SKlaus Jensen stl_le_p(&n->bar.cmbsz, cmbsz); 729888eea45cSKlaus Jensen } 729988eea45cSKlaus Jensen 730088eea45cSKlaus Jensen static void nvme_write_bar(NvmeCtrl *n, hwaddr offset, uint64_t data, 730188eea45cSKlaus Jensen unsigned size) 730288eea45cSKlaus Jensen { 730348b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 730449e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 730549e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 730649e03457SKlaus Jensen uint32_t intms = ldl_le_p(&n->bar.intms); 730749e03457SKlaus Jensen uint32_t csts = ldl_le_p(&n->bar.csts); 730849e03457SKlaus Jensen uint32_t pmrsts = ldl_le_p(&n->bar.pmrsts); 730949e03457SKlaus Jensen 731088eea45cSKlaus Jensen if (unlikely(offset & (sizeof(uint32_t) - 1))) { 731188eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_misaligned32, 731288eea45cSKlaus Jensen "MMIO write not 32-bit aligned," 731388eea45cSKlaus Jensen " offset=0x%"PRIx64"", offset); 731488eea45cSKlaus Jensen /* should be ignored, fall through for now */ 731588eea45cSKlaus Jensen } 731688eea45cSKlaus Jensen 731788eea45cSKlaus Jensen if (unlikely(size < sizeof(uint32_t))) { 731888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_toosmall, 731988eea45cSKlaus Jensen "MMIO write smaller than 32-bits," 732088eea45cSKlaus Jensen " offset=0x%"PRIx64", size=%u", 732188eea45cSKlaus Jensen offset, size); 732288eea45cSKlaus Jensen /* should be ignored, fall through for now */ 732388eea45cSKlaus Jensen } 732488eea45cSKlaus Jensen 732588eea45cSKlaus Jensen switch (offset) { 7326a316aa50SKlaus Jensen case NVME_REG_INTMS: 732748b32c28SKlaus Jensen if (unlikely(msix_enabled(pci))) { 732888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_intmask_with_msix, 732988eea45cSKlaus Jensen "undefined access to interrupt mask set" 733088eea45cSKlaus Jensen " when MSI-X is enabled"); 733188eea45cSKlaus Jensen /* should be ignored, fall through for now */ 733288eea45cSKlaus Jensen } 733349e03457SKlaus Jensen intms |= data; 733449e03457SKlaus Jensen stl_le_p(&n->bar.intms, intms); 733588eea45cSKlaus Jensen n->bar.intmc = n->bar.intms; 733649e03457SKlaus Jensen trace_pci_nvme_mmio_intm_set(data & 0xffffffff, intms); 733788eea45cSKlaus Jensen nvme_irq_check(n); 733888eea45cSKlaus Jensen break; 7339a316aa50SKlaus Jensen case NVME_REG_INTMC: 734048b32c28SKlaus Jensen if (unlikely(msix_enabled(pci))) { 734188eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_intmask_with_msix, 734288eea45cSKlaus Jensen "undefined access to interrupt mask clr" 734388eea45cSKlaus Jensen " when MSI-X is enabled"); 734488eea45cSKlaus Jensen /* should be ignored, fall through for now */ 734588eea45cSKlaus Jensen } 734649e03457SKlaus Jensen intms &= ~data; 734749e03457SKlaus Jensen stl_le_p(&n->bar.intms, intms); 734888eea45cSKlaus Jensen n->bar.intmc = n->bar.intms; 734949e03457SKlaus Jensen trace_pci_nvme_mmio_intm_clr(data & 0xffffffff, intms); 735088eea45cSKlaus Jensen nvme_irq_check(n); 735188eea45cSKlaus Jensen break; 7352a316aa50SKlaus Jensen case NVME_REG_CC: 7353cc9bcee2SKlaus Jensen stl_le_p(&n->bar.cc, data); 7354cc9bcee2SKlaus Jensen 735588eea45cSKlaus Jensen trace_pci_nvme_mmio_cfg(data & 0xffffffff); 735649e03457SKlaus Jensen 7357cc9bcee2SKlaus Jensen if (NVME_CC_SHN(data) && !(NVME_CC_SHN(cc))) { 7358cc9bcee2SKlaus Jensen trace_pci_nvme_mmio_shutdown_set(); 7359cc9bcee2SKlaus Jensen nvme_ctrl_shutdown(n); 7360cc9bcee2SKlaus Jensen csts &= ~(CSTS_SHST_MASK << CSTS_SHST_SHIFT); 7361cc9bcee2SKlaus Jensen csts |= NVME_CSTS_SHST_COMPLETE; 7362cc9bcee2SKlaus Jensen } else if (!NVME_CC_SHN(data) && NVME_CC_SHN(cc)) { 7363cc9bcee2SKlaus Jensen trace_pci_nvme_mmio_shutdown_cleared(); 7364cc9bcee2SKlaus Jensen csts &= ~(CSTS_SHST_MASK << CSTS_SHST_SHIFT); 736588eea45cSKlaus Jensen } 736688eea45cSKlaus Jensen 736749e03457SKlaus Jensen if (NVME_CC_EN(data) && !NVME_CC_EN(cc)) { 736888eea45cSKlaus Jensen if (unlikely(nvme_start_ctrl(n))) { 736988eea45cSKlaus Jensen trace_pci_nvme_err_startfail(); 737049e03457SKlaus Jensen csts = NVME_CSTS_FAILED; 737188eea45cSKlaus Jensen } else { 737288eea45cSKlaus Jensen trace_pci_nvme_mmio_start_success(); 737349e03457SKlaus Jensen csts = NVME_CSTS_READY; 737488eea45cSKlaus Jensen } 737549e03457SKlaus Jensen } else if (!NVME_CC_EN(data) && NVME_CC_EN(cc)) { 737688eea45cSKlaus Jensen trace_pci_nvme_mmio_stopped(); 73771e9c685eSŁukasz Gieryk nvme_ctrl_reset(n, NVME_RESET_CONTROLLER); 7378cc9bcee2SKlaus Jensen 7379cc9bcee2SKlaus Jensen break; 738088eea45cSKlaus Jensen } 738149e03457SKlaus Jensen 738249e03457SKlaus Jensen stl_le_p(&n->bar.csts, csts); 738349e03457SKlaus Jensen 738488eea45cSKlaus Jensen break; 7385a316aa50SKlaus Jensen case NVME_REG_CSTS: 738688eea45cSKlaus Jensen if (data & (1 << 4)) { 738788eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_ssreset_w1c_unsupported, 738888eea45cSKlaus Jensen "attempted to W1C CSTS.NSSRO" 738988eea45cSKlaus Jensen " but CAP.NSSRS is zero (not supported)"); 739088eea45cSKlaus Jensen } else if (data != 0) { 739188eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_ro_csts, 739288eea45cSKlaus Jensen "attempted to set a read only bit" 739388eea45cSKlaus Jensen " of controller status"); 739488eea45cSKlaus Jensen } 739588eea45cSKlaus Jensen break; 7396a316aa50SKlaus Jensen case NVME_REG_NSSR: 739788eea45cSKlaus Jensen if (data == 0x4e564d65) { 739888eea45cSKlaus Jensen trace_pci_nvme_ub_mmiowr_ssreset_unsupported(); 739988eea45cSKlaus Jensen } else { 740088eea45cSKlaus Jensen /* The spec says that writes of other values have no effect */ 740188eea45cSKlaus Jensen return; 740288eea45cSKlaus Jensen } 740388eea45cSKlaus Jensen break; 7404a316aa50SKlaus Jensen case NVME_REG_AQA: 740549e03457SKlaus Jensen stl_le_p(&n->bar.aqa, data); 740688eea45cSKlaus Jensen trace_pci_nvme_mmio_aqattr(data & 0xffffffff); 740788eea45cSKlaus Jensen break; 7408a316aa50SKlaus Jensen case NVME_REG_ASQ: 740949e03457SKlaus Jensen stn_le_p(&n->bar.asq, size, data); 741088eea45cSKlaus Jensen trace_pci_nvme_mmio_asqaddr(data); 741188eea45cSKlaus Jensen break; 7412a316aa50SKlaus Jensen case NVME_REG_ASQ + 4: 741349e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.asq + 4, data); 741449e03457SKlaus Jensen trace_pci_nvme_mmio_asqaddr_hi(data, ldq_le_p(&n->bar.asq)); 741588eea45cSKlaus Jensen break; 7416a316aa50SKlaus Jensen case NVME_REG_ACQ: 741788eea45cSKlaus Jensen trace_pci_nvme_mmio_acqaddr(data); 741849e03457SKlaus Jensen stn_le_p(&n->bar.acq, size, data); 741988eea45cSKlaus Jensen break; 7420a316aa50SKlaus Jensen case NVME_REG_ACQ + 4: 742149e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.acq + 4, data); 742249e03457SKlaus Jensen trace_pci_nvme_mmio_acqaddr_hi(data, ldq_le_p(&n->bar.acq)); 742388eea45cSKlaus Jensen break; 7424a316aa50SKlaus Jensen case NVME_REG_CMBLOC: 742588eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_cmbloc_reserved, 742688eea45cSKlaus Jensen "invalid write to reserved CMBLOC" 742788eea45cSKlaus Jensen " when CMBSZ is zero, ignored"); 742888eea45cSKlaus Jensen return; 7429a316aa50SKlaus Jensen case NVME_REG_CMBSZ: 743088eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_cmbsz_readonly, 743188eea45cSKlaus Jensen "invalid write to read only CMBSZ, ignored"); 743288eea45cSKlaus Jensen return; 7433a316aa50SKlaus Jensen case NVME_REG_CMBMSC: 743449e03457SKlaus Jensen if (!NVME_CAP_CMBS(cap)) { 743588eea45cSKlaus Jensen return; 743688eea45cSKlaus Jensen } 743788eea45cSKlaus Jensen 743849e03457SKlaus Jensen stn_le_p(&n->bar.cmbmsc, size, data); 743988eea45cSKlaus Jensen n->cmb.cmse = false; 744088eea45cSKlaus Jensen 744188eea45cSKlaus Jensen if (NVME_CMBMSC_CRE(data)) { 744288eea45cSKlaus Jensen nvme_cmb_enable_regs(n); 744388eea45cSKlaus Jensen 744488eea45cSKlaus Jensen if (NVME_CMBMSC_CMSE(data)) { 744549e03457SKlaus Jensen uint64_t cmbmsc = ldq_le_p(&n->bar.cmbmsc); 744649e03457SKlaus Jensen hwaddr cba = NVME_CMBMSC_CBA(cmbmsc) << CMBMSC_CBA_SHIFT; 744788eea45cSKlaus Jensen if (cba + int128_get64(n->cmb.mem.size) < cba) { 744849e03457SKlaus Jensen uint32_t cmbsts = ldl_le_p(&n->bar.cmbsts); 744949e03457SKlaus Jensen NVME_CMBSTS_SET_CBAI(cmbsts, 1); 745049e03457SKlaus Jensen stl_le_p(&n->bar.cmbsts, cmbsts); 745188eea45cSKlaus Jensen return; 745288eea45cSKlaus Jensen } 745388eea45cSKlaus Jensen 745488eea45cSKlaus Jensen n->cmb.cba = cba; 745588eea45cSKlaus Jensen n->cmb.cmse = true; 745688eea45cSKlaus Jensen } 745788eea45cSKlaus Jensen } else { 745888eea45cSKlaus Jensen n->bar.cmbsz = 0; 745988eea45cSKlaus Jensen n->bar.cmbloc = 0; 746088eea45cSKlaus Jensen } 746188eea45cSKlaus Jensen 746288eea45cSKlaus Jensen return; 7463a316aa50SKlaus Jensen case NVME_REG_CMBMSC + 4: 746449e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.cmbmsc + 4, data); 746588eea45cSKlaus Jensen return; 746688eea45cSKlaus Jensen 7467a316aa50SKlaus Jensen case NVME_REG_PMRCAP: 746888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrcap_readonly, 746988eea45cSKlaus Jensen "invalid write to PMRCAP register, ignored"); 747088eea45cSKlaus Jensen return; 7471a316aa50SKlaus Jensen case NVME_REG_PMRCTL: 747249e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 74732b02aabcSKlaus Jensen return; 74742b02aabcSKlaus Jensen } 74752b02aabcSKlaus Jensen 747649e03457SKlaus Jensen stl_le_p(&n->bar.pmrctl, data); 747788eea45cSKlaus Jensen if (NVME_PMRCTL_EN(data)) { 747888eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, true); 747949e03457SKlaus Jensen pmrsts = 0; 748088eea45cSKlaus Jensen } else { 748188eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, false); 748249e03457SKlaus Jensen NVME_PMRSTS_SET_NRDY(pmrsts, 1); 748388eea45cSKlaus Jensen n->pmr.cmse = false; 748488eea45cSKlaus Jensen } 748549e03457SKlaus Jensen stl_le_p(&n->bar.pmrsts, pmrsts); 748688eea45cSKlaus Jensen return; 7487a316aa50SKlaus Jensen case NVME_REG_PMRSTS: 748888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrsts_readonly, 748988eea45cSKlaus Jensen "invalid write to PMRSTS register, ignored"); 749088eea45cSKlaus Jensen return; 7491a316aa50SKlaus Jensen case NVME_REG_PMREBS: 749288eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrebs_readonly, 749388eea45cSKlaus Jensen "invalid write to PMREBS register, ignored"); 749488eea45cSKlaus Jensen return; 7495a316aa50SKlaus Jensen case NVME_REG_PMRSWTP: 749688eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrswtp_readonly, 749788eea45cSKlaus Jensen "invalid write to PMRSWTP register, ignored"); 749888eea45cSKlaus Jensen return; 7499a316aa50SKlaus Jensen case NVME_REG_PMRMSCL: 750049e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 750188eea45cSKlaus Jensen return; 750288eea45cSKlaus Jensen } 750388eea45cSKlaus Jensen 750449e03457SKlaus Jensen stl_le_p(&n->bar.pmrmscl, data); 750588eea45cSKlaus Jensen n->pmr.cmse = false; 750688eea45cSKlaus Jensen 750749e03457SKlaus Jensen if (NVME_PMRMSCL_CMSE(data)) { 750849e03457SKlaus Jensen uint64_t pmrmscu = ldl_le_p(&n->bar.pmrmscu); 750949e03457SKlaus Jensen hwaddr cba = pmrmscu << 32 | 751049e03457SKlaus Jensen (NVME_PMRMSCL_CBA(data) << PMRMSCL_CBA_SHIFT); 751188eea45cSKlaus Jensen if (cba + int128_get64(n->pmr.dev->mr.size) < cba) { 751249e03457SKlaus Jensen NVME_PMRSTS_SET_CBAI(pmrsts, 1); 751349e03457SKlaus Jensen stl_le_p(&n->bar.pmrsts, pmrsts); 751488eea45cSKlaus Jensen return; 751588eea45cSKlaus Jensen } 751688eea45cSKlaus Jensen 751788eea45cSKlaus Jensen n->pmr.cmse = true; 751888eea45cSKlaus Jensen n->pmr.cba = cba; 751988eea45cSKlaus Jensen } 752088eea45cSKlaus Jensen 752188eea45cSKlaus Jensen return; 7522a316aa50SKlaus Jensen case NVME_REG_PMRMSCU: 752349e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 752488eea45cSKlaus Jensen return; 752588eea45cSKlaus Jensen } 752688eea45cSKlaus Jensen 752749e03457SKlaus Jensen stl_le_p(&n->bar.pmrmscu, data); 752888eea45cSKlaus Jensen return; 752988eea45cSKlaus Jensen default: 753088eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_invalid, 753188eea45cSKlaus Jensen "invalid MMIO write," 753288eea45cSKlaus Jensen " offset=0x%"PRIx64", data=%"PRIx64"", 753388eea45cSKlaus Jensen offset, data); 753488eea45cSKlaus Jensen break; 753588eea45cSKlaus Jensen } 753688eea45cSKlaus Jensen } 753788eea45cSKlaus Jensen 753888eea45cSKlaus Jensen static uint64_t nvme_mmio_read(void *opaque, hwaddr addr, unsigned size) 753988eea45cSKlaus Jensen { 754088eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 754188eea45cSKlaus Jensen uint8_t *ptr = (uint8_t *)&n->bar; 754288eea45cSKlaus Jensen 754388eea45cSKlaus Jensen trace_pci_nvme_mmio_read(addr, size); 754488eea45cSKlaus Jensen 754588eea45cSKlaus Jensen if (unlikely(addr & (sizeof(uint32_t) - 1))) { 754688eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_misaligned32, 754788eea45cSKlaus Jensen "MMIO read not 32-bit aligned," 754888eea45cSKlaus Jensen " offset=0x%"PRIx64"", addr); 754988eea45cSKlaus Jensen /* should RAZ, fall through for now */ 755088eea45cSKlaus Jensen } else if (unlikely(size < sizeof(uint32_t))) { 755188eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_toosmall, 755288eea45cSKlaus Jensen "MMIO read smaller than 32-bits," 755388eea45cSKlaus Jensen " offset=0x%"PRIx64"", addr); 755488eea45cSKlaus Jensen /* should RAZ, fall through for now */ 755588eea45cSKlaus Jensen } 755688eea45cSKlaus Jensen 75575029de44SKlaus Jensen if (addr > sizeof(n->bar) - size) { 75585029de44SKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_invalid_ofs, 75595029de44SKlaus Jensen "MMIO read beyond last register," 75605029de44SKlaus Jensen " offset=0x%"PRIx64", returning 0", addr); 75615029de44SKlaus Jensen 75625029de44SKlaus Jensen return 0; 75635029de44SKlaus Jensen } 75645029de44SKlaus Jensen 756548b32c28SKlaus Jensen if (pci_is_vf(PCI_DEVICE(n)) && !nvme_sctrl(n)->scs && 756611871f53SŁukasz Gieryk addr != NVME_REG_CSTS) { 756711871f53SŁukasz Gieryk trace_pci_nvme_err_ignored_mmio_vf_offline(addr, size); 756811871f53SŁukasz Gieryk return 0; 756911871f53SŁukasz Gieryk } 757011871f53SŁukasz Gieryk 757188eea45cSKlaus Jensen /* 757288eea45cSKlaus Jensen * When PMRWBM bit 1 is set then read from 757388eea45cSKlaus Jensen * from PMRSTS should ensure prior writes 757488eea45cSKlaus Jensen * made it to persistent media 757588eea45cSKlaus Jensen */ 7576a316aa50SKlaus Jensen if (addr == NVME_REG_PMRSTS && 757749e03457SKlaus Jensen (NVME_PMRCAP_PMRWBM(ldl_le_p(&n->bar.pmrcap)) & 0x02)) { 757888eea45cSKlaus Jensen memory_region_msync(&n->pmr.dev->mr, 0, n->pmr.dev->size); 757988eea45cSKlaus Jensen } 75805029de44SKlaus Jensen 758149e03457SKlaus Jensen return ldn_le_p(ptr + addr, size); 758288eea45cSKlaus Jensen } 758388eea45cSKlaus Jensen 758488eea45cSKlaus Jensen static void nvme_process_db(NvmeCtrl *n, hwaddr addr, int val) 758588eea45cSKlaus Jensen { 758648b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 7587c1e244b6SKlaus Jensen uint32_t qid; 758888eea45cSKlaus Jensen 758988eea45cSKlaus Jensen if (unlikely(addr & ((1 << 2) - 1))) { 759088eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_misaligned, 759188eea45cSKlaus Jensen "doorbell write not 32-bit aligned," 759288eea45cSKlaus Jensen " offset=0x%"PRIx64", ignoring", addr); 759388eea45cSKlaus Jensen return; 759488eea45cSKlaus Jensen } 759588eea45cSKlaus Jensen 759688eea45cSKlaus Jensen if (((addr - 0x1000) >> 2) & 1) { 759788eea45cSKlaus Jensen /* Completion queue doorbell write */ 759888eea45cSKlaus Jensen 759988eea45cSKlaus Jensen uint16_t new_head = val & 0xffff; 760088eea45cSKlaus Jensen int start_sqs; 760188eea45cSKlaus Jensen NvmeCQueue *cq; 760288eea45cSKlaus Jensen 760388eea45cSKlaus Jensen qid = (addr - (0x1000 + (1 << 2))) >> 3; 760488eea45cSKlaus Jensen if (unlikely(nvme_check_cqid(n, qid))) { 760588eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_cq, 760688eea45cSKlaus Jensen "completion queue doorbell write" 760788eea45cSKlaus Jensen " for nonexistent queue," 760888eea45cSKlaus Jensen " sqid=%"PRIu32", ignoring", qid); 760988eea45cSKlaus Jensen 761088eea45cSKlaus Jensen /* 761188eea45cSKlaus Jensen * NVM Express v1.3d, Section 4.1 state: "If host software writes 761288eea45cSKlaus Jensen * an invalid value to the Submission Queue Tail Doorbell or 761388eea45cSKlaus Jensen * Completion Queue Head Doorbell regiter and an Asynchronous Event 761488eea45cSKlaus Jensen * Request command is outstanding, then an asynchronous event is 761588eea45cSKlaus Jensen * posted to the Admin Completion Queue with a status code of 761688eea45cSKlaus Jensen * Invalid Doorbell Write Value." 761788eea45cSKlaus Jensen * 761888eea45cSKlaus Jensen * Also note that the spec includes the "Invalid Doorbell Register" 761988eea45cSKlaus Jensen * status code, but nowhere does it specify when to use it. 762088eea45cSKlaus Jensen * However, it seems reasonable to use it here in a similar 762188eea45cSKlaus Jensen * fashion. 762288eea45cSKlaus Jensen */ 762388eea45cSKlaus Jensen if (n->outstanding_aers) { 762488eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 762588eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_REGISTER, 762688eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 762788eea45cSKlaus Jensen } 762888eea45cSKlaus Jensen 762988eea45cSKlaus Jensen return; 763088eea45cSKlaus Jensen } 763188eea45cSKlaus Jensen 763288eea45cSKlaus Jensen cq = n->cq[qid]; 763388eea45cSKlaus Jensen if (unlikely(new_head >= cq->size)) { 763488eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_cqhead, 763588eea45cSKlaus Jensen "completion queue doorbell write value" 763688eea45cSKlaus Jensen " beyond queue size, sqid=%"PRIu32"," 763788eea45cSKlaus Jensen " new_head=%"PRIu16", ignoring", 763888eea45cSKlaus Jensen qid, new_head); 763988eea45cSKlaus Jensen 764088eea45cSKlaus Jensen if (n->outstanding_aers) { 764188eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 764288eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_VALUE, 764388eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 764488eea45cSKlaus Jensen } 764588eea45cSKlaus Jensen 764688eea45cSKlaus Jensen return; 764788eea45cSKlaus Jensen } 764888eea45cSKlaus Jensen 764988eea45cSKlaus Jensen trace_pci_nvme_mmio_doorbell_cq(cq->cqid, new_head); 765088eea45cSKlaus Jensen 765188eea45cSKlaus Jensen start_sqs = nvme_cq_full(cq) ? 1 : 0; 765288eea45cSKlaus Jensen cq->head = new_head; 76533f7fe8deSJinhao Fan if (!qid && n->dbbuf_enabled) { 7654c1e244b6SKlaus Jensen stl_le_pci_dma(pci, cq->db_addr, cq->head, MEMTXATTRS_UNSPECIFIED); 76553f7fe8deSJinhao Fan } 765688eea45cSKlaus Jensen if (start_sqs) { 765788eea45cSKlaus Jensen NvmeSQueue *sq; 765888eea45cSKlaus Jensen QTAILQ_FOREACH(sq, &cq->sq_list, entry) { 7659d38cc6fdSKlaus Jensen qemu_bh_schedule(sq->bh); 766088eea45cSKlaus Jensen } 7661d38cc6fdSKlaus Jensen qemu_bh_schedule(cq->bh); 766288eea45cSKlaus Jensen } 766388eea45cSKlaus Jensen 766488eea45cSKlaus Jensen if (cq->tail == cq->head) { 766583d7ed5cSKlaus Jensen if (cq->irq_enabled) { 766683d7ed5cSKlaus Jensen n->cq_pending--; 766783d7ed5cSKlaus Jensen } 766883d7ed5cSKlaus Jensen 766988eea45cSKlaus Jensen nvme_irq_deassert(n, cq); 767088eea45cSKlaus Jensen } 767188eea45cSKlaus Jensen } else { 767288eea45cSKlaus Jensen /* Submission queue doorbell write */ 767388eea45cSKlaus Jensen 767488eea45cSKlaus Jensen uint16_t new_tail = val & 0xffff; 767588eea45cSKlaus Jensen NvmeSQueue *sq; 767688eea45cSKlaus Jensen 767788eea45cSKlaus Jensen qid = (addr - 0x1000) >> 3; 767888eea45cSKlaus Jensen if (unlikely(nvme_check_sqid(n, qid))) { 767988eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_sq, 768088eea45cSKlaus Jensen "submission queue doorbell write" 768188eea45cSKlaus Jensen " for nonexistent queue," 768288eea45cSKlaus Jensen " sqid=%"PRIu32", ignoring", qid); 768388eea45cSKlaus Jensen 768488eea45cSKlaus Jensen if (n->outstanding_aers) { 768588eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 768688eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_REGISTER, 768788eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 768888eea45cSKlaus Jensen } 768988eea45cSKlaus Jensen 769088eea45cSKlaus Jensen return; 769188eea45cSKlaus Jensen } 769288eea45cSKlaus Jensen 769388eea45cSKlaus Jensen sq = n->sq[qid]; 769488eea45cSKlaus Jensen if (unlikely(new_tail >= sq->size)) { 769588eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_sqtail, 769688eea45cSKlaus Jensen "submission queue doorbell write value" 769788eea45cSKlaus Jensen " beyond queue size, sqid=%"PRIu32"," 769888eea45cSKlaus Jensen " new_tail=%"PRIu16", ignoring", 769988eea45cSKlaus Jensen qid, new_tail); 770088eea45cSKlaus Jensen 770188eea45cSKlaus Jensen if (n->outstanding_aers) { 770288eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 770388eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_VALUE, 770488eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 770588eea45cSKlaus Jensen } 770688eea45cSKlaus Jensen 770788eea45cSKlaus Jensen return; 770888eea45cSKlaus Jensen } 770988eea45cSKlaus Jensen 771088eea45cSKlaus Jensen trace_pci_nvme_mmio_doorbell_sq(sq->sqid, new_tail); 771188eea45cSKlaus Jensen 771288eea45cSKlaus Jensen sq->tail = new_tail; 77133f7fe8deSJinhao Fan if (!qid && n->dbbuf_enabled) { 77143f7fe8deSJinhao Fan /* 77153f7fe8deSJinhao Fan * The spec states "the host shall also update the controller's 77163f7fe8deSJinhao Fan * corresponding doorbell property to match the value of that entry 77173f7fe8deSJinhao Fan * in the Shadow Doorbell buffer." 77183f7fe8deSJinhao Fan * 77193f7fe8deSJinhao Fan * Since this context is currently a VM trap, we can safely enforce 77203f7fe8deSJinhao Fan * the requirement from the device side in case the host is 77213f7fe8deSJinhao Fan * misbehaving. 77223f7fe8deSJinhao Fan * 77233f7fe8deSJinhao Fan * Note, we shouldn't have to do this, but various drivers 77243f7fe8deSJinhao Fan * including ones that run on Linux, are not updating Admin Queues, 77253f7fe8deSJinhao Fan * so we can't trust reading it for an appropriate sq tail. 77263f7fe8deSJinhao Fan */ 7727c1e244b6SKlaus Jensen stl_le_pci_dma(pci, sq->db_addr, sq->tail, MEMTXATTRS_UNSPECIFIED); 77283f7fe8deSJinhao Fan } 7729d38cc6fdSKlaus Jensen 7730d38cc6fdSKlaus Jensen qemu_bh_schedule(sq->bh); 773188eea45cSKlaus Jensen } 773288eea45cSKlaus Jensen } 773388eea45cSKlaus Jensen 773488eea45cSKlaus Jensen static void nvme_mmio_write(void *opaque, hwaddr addr, uint64_t data, 773588eea45cSKlaus Jensen unsigned size) 773688eea45cSKlaus Jensen { 773788eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 773888eea45cSKlaus Jensen 773988eea45cSKlaus Jensen trace_pci_nvme_mmio_write(addr, data, size); 774088eea45cSKlaus Jensen 774148b32c28SKlaus Jensen if (pci_is_vf(PCI_DEVICE(n)) && !nvme_sctrl(n)->scs && 774211871f53SŁukasz Gieryk addr != NVME_REG_CSTS) { 774311871f53SŁukasz Gieryk trace_pci_nvme_err_ignored_mmio_vf_offline(addr, size); 774411871f53SŁukasz Gieryk return; 774511871f53SŁukasz Gieryk } 774611871f53SŁukasz Gieryk 774788eea45cSKlaus Jensen if (addr < sizeof(n->bar)) { 774888eea45cSKlaus Jensen nvme_write_bar(n, addr, data, size); 774988eea45cSKlaus Jensen } else { 775088eea45cSKlaus Jensen nvme_process_db(n, addr, data); 775188eea45cSKlaus Jensen } 775288eea45cSKlaus Jensen } 775388eea45cSKlaus Jensen 775488eea45cSKlaus Jensen static const MemoryRegionOps nvme_mmio_ops = { 775588eea45cSKlaus Jensen .read = nvme_mmio_read, 775688eea45cSKlaus Jensen .write = nvme_mmio_write, 775788eea45cSKlaus Jensen .endianness = DEVICE_LITTLE_ENDIAN, 775888eea45cSKlaus Jensen .impl = { 775988eea45cSKlaus Jensen .min_access_size = 2, 776088eea45cSKlaus Jensen .max_access_size = 8, 776188eea45cSKlaus Jensen }, 776288eea45cSKlaus Jensen }; 776388eea45cSKlaus Jensen 776488eea45cSKlaus Jensen static void nvme_cmb_write(void *opaque, hwaddr addr, uint64_t data, 776588eea45cSKlaus Jensen unsigned size) 776688eea45cSKlaus Jensen { 776788eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 776888eea45cSKlaus Jensen stn_le_p(&n->cmb.buf[addr], size, data); 776988eea45cSKlaus Jensen } 777088eea45cSKlaus Jensen 777188eea45cSKlaus Jensen static uint64_t nvme_cmb_read(void *opaque, hwaddr addr, unsigned size) 777288eea45cSKlaus Jensen { 777388eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 777488eea45cSKlaus Jensen return ldn_le_p(&n->cmb.buf[addr], size); 777588eea45cSKlaus Jensen } 777688eea45cSKlaus Jensen 777788eea45cSKlaus Jensen static const MemoryRegionOps nvme_cmb_ops = { 777888eea45cSKlaus Jensen .read = nvme_cmb_read, 777988eea45cSKlaus Jensen .write = nvme_cmb_write, 778088eea45cSKlaus Jensen .endianness = DEVICE_LITTLE_ENDIAN, 778188eea45cSKlaus Jensen .impl = { 778288eea45cSKlaus Jensen .min_access_size = 1, 778388eea45cSKlaus Jensen .max_access_size = 8, 778488eea45cSKlaus Jensen }, 778588eea45cSKlaus Jensen }; 778688eea45cSKlaus Jensen 7787784fd353SKlaus Jensen static bool nvme_check_params(NvmeCtrl *n, Error **errp) 778888eea45cSKlaus Jensen { 778988eea45cSKlaus Jensen NvmeParams *params = &n->params; 779088eea45cSKlaus Jensen 779188eea45cSKlaus Jensen if (params->num_queues) { 779288eea45cSKlaus Jensen warn_report("num_queues is deprecated; please use max_ioqpairs " 779388eea45cSKlaus Jensen "instead"); 779488eea45cSKlaus Jensen 779588eea45cSKlaus Jensen params->max_ioqpairs = params->num_queues - 1; 779688eea45cSKlaus Jensen } 779788eea45cSKlaus Jensen 779888eea45cSKlaus Jensen if (n->namespace.blkconf.blk && n->subsys) { 779988eea45cSKlaus Jensen error_setg(errp, "subsystem support is unavailable with legacy " 780088eea45cSKlaus Jensen "namespace ('drive' property)"); 7801784fd353SKlaus Jensen return false; 780288eea45cSKlaus Jensen } 780388eea45cSKlaus Jensen 780488eea45cSKlaus Jensen if (params->max_ioqpairs < 1 || 780588eea45cSKlaus Jensen params->max_ioqpairs > NVME_MAX_IOQPAIRS) { 780688eea45cSKlaus Jensen error_setg(errp, "max_ioqpairs must be between 1 and %d", 780788eea45cSKlaus Jensen NVME_MAX_IOQPAIRS); 7808784fd353SKlaus Jensen return false; 780988eea45cSKlaus Jensen } 781088eea45cSKlaus Jensen 781188eea45cSKlaus Jensen if (params->msix_qsize < 1 || 781288eea45cSKlaus Jensen params->msix_qsize > PCI_MSIX_FLAGS_QSIZE + 1) { 781388eea45cSKlaus Jensen error_setg(errp, "msix_qsize must be between 1 and %d", 781488eea45cSKlaus Jensen PCI_MSIX_FLAGS_QSIZE + 1); 7815784fd353SKlaus Jensen return false; 781688eea45cSKlaus Jensen } 781788eea45cSKlaus Jensen 781888eea45cSKlaus Jensen if (!params->serial) { 781988eea45cSKlaus Jensen error_setg(errp, "serial property not set"); 7820784fd353SKlaus Jensen return false; 782188eea45cSKlaus Jensen } 782288eea45cSKlaus Jensen 782388eea45cSKlaus Jensen if (n->pmr.dev) { 782488eea45cSKlaus Jensen if (host_memory_backend_is_mapped(n->pmr.dev)) { 782588eea45cSKlaus Jensen error_setg(errp, "can't use already busy memdev: %s", 782688eea45cSKlaus Jensen object_get_canonical_path_component(OBJECT(n->pmr.dev))); 7827784fd353SKlaus Jensen return false; 782888eea45cSKlaus Jensen } 782988eea45cSKlaus Jensen 783088eea45cSKlaus Jensen if (!is_power_of_2(n->pmr.dev->size)) { 783188eea45cSKlaus Jensen error_setg(errp, "pmr backend size needs to be power of 2 in size"); 7832784fd353SKlaus Jensen return false; 783388eea45cSKlaus Jensen } 783488eea45cSKlaus Jensen 783588eea45cSKlaus Jensen host_memory_backend_set_mapped(n->pmr.dev, true); 783688eea45cSKlaus Jensen } 783788eea45cSKlaus Jensen 783888eea45cSKlaus Jensen if (n->params.zasl > n->params.mdts) { 783988eea45cSKlaus Jensen error_setg(errp, "zoned.zasl (Zone Append Size Limit) must be less " 784088eea45cSKlaus Jensen "than or equal to mdts (Maximum Data Transfer Size)"); 7841784fd353SKlaus Jensen return false; 784288eea45cSKlaus Jensen } 784388eea45cSKlaus Jensen 784488eea45cSKlaus Jensen if (!n->params.vsl) { 784588eea45cSKlaus Jensen error_setg(errp, "vsl must be non-zero"); 7846784fd353SKlaus Jensen return false; 784788eea45cSKlaus Jensen } 784844c2c094SLukasz Maniak 784944c2c094SLukasz Maniak if (params->sriov_max_vfs) { 785044c2c094SLukasz Maniak if (!n->subsys) { 785144c2c094SLukasz Maniak error_setg(errp, "subsystem is required for the use of SR-IOV"); 7852784fd353SKlaus Jensen return false; 785344c2c094SLukasz Maniak } 785444c2c094SLukasz Maniak 785544c2c094SLukasz Maniak if (params->sriov_max_vfs > NVME_MAX_VFS) { 785644c2c094SLukasz Maniak error_setg(errp, "sriov_max_vfs must be between 0 and %d", 785744c2c094SLukasz Maniak NVME_MAX_VFS); 7858784fd353SKlaus Jensen return false; 785944c2c094SLukasz Maniak } 786044c2c094SLukasz Maniak 786144c2c094SLukasz Maniak if (params->cmb_size_mb) { 786244c2c094SLukasz Maniak error_setg(errp, "CMB is not supported with SR-IOV"); 7863784fd353SKlaus Jensen return false; 786444c2c094SLukasz Maniak } 786544c2c094SLukasz Maniak 786644c2c094SLukasz Maniak if (n->pmr.dev) { 786744c2c094SLukasz Maniak error_setg(errp, "PMR is not supported with SR-IOV"); 7868784fd353SKlaus Jensen return false; 786944c2c094SLukasz Maniak } 7870746d42b1SŁukasz Gieryk 7871746d42b1SŁukasz Gieryk if (!params->sriov_vq_flexible || !params->sriov_vi_flexible) { 7872746d42b1SŁukasz Gieryk error_setg(errp, "both sriov_vq_flexible and sriov_vi_flexible" 7873746d42b1SŁukasz Gieryk " must be set for the use of SR-IOV"); 7874784fd353SKlaus Jensen return false; 7875746d42b1SŁukasz Gieryk } 7876746d42b1SŁukasz Gieryk 7877746d42b1SŁukasz Gieryk if (params->sriov_vq_flexible < params->sriov_max_vfs * 2) { 7878746d42b1SŁukasz Gieryk error_setg(errp, "sriov_vq_flexible must be greater than or equal" 7879746d42b1SŁukasz Gieryk " to %d (sriov_max_vfs * 2)", params->sriov_max_vfs * 2); 7880784fd353SKlaus Jensen return false; 7881746d42b1SŁukasz Gieryk } 7882746d42b1SŁukasz Gieryk 7883746d42b1SŁukasz Gieryk if (params->max_ioqpairs < params->sriov_vq_flexible + 2) { 7884746d42b1SŁukasz Gieryk error_setg(errp, "(max_ioqpairs - sriov_vq_flexible) must be" 7885746d42b1SŁukasz Gieryk " greater than or equal to 2"); 7886784fd353SKlaus Jensen return false; 7887746d42b1SŁukasz Gieryk } 7888746d42b1SŁukasz Gieryk 7889746d42b1SŁukasz Gieryk if (params->sriov_vi_flexible < params->sriov_max_vfs) { 7890746d42b1SŁukasz Gieryk error_setg(errp, "sriov_vi_flexible must be greater than or equal" 7891746d42b1SŁukasz Gieryk " to %d (sriov_max_vfs)", params->sriov_max_vfs); 7892784fd353SKlaus Jensen return false; 7893746d42b1SŁukasz Gieryk } 7894746d42b1SŁukasz Gieryk 7895746d42b1SŁukasz Gieryk if (params->msix_qsize < params->sriov_vi_flexible + 1) { 7896746d42b1SŁukasz Gieryk error_setg(errp, "(msix_qsize - sriov_vi_flexible) must be" 7897746d42b1SŁukasz Gieryk " greater than or equal to 1"); 7898784fd353SKlaus Jensen return false; 7899746d42b1SŁukasz Gieryk } 7900746d42b1SŁukasz Gieryk 7901746d42b1SŁukasz Gieryk if (params->sriov_max_vi_per_vf && 7902746d42b1SŁukasz Gieryk (params->sriov_max_vi_per_vf - 1) % NVME_VF_RES_GRANULARITY) { 7903746d42b1SŁukasz Gieryk error_setg(errp, "sriov_max_vi_per_vf must meet:" 7904746d42b1SŁukasz Gieryk " (sriov_max_vi_per_vf - 1) %% %d == 0 and" 7905746d42b1SŁukasz Gieryk " sriov_max_vi_per_vf >= 1", NVME_VF_RES_GRANULARITY); 7906784fd353SKlaus Jensen return false; 7907746d42b1SŁukasz Gieryk } 7908746d42b1SŁukasz Gieryk 7909746d42b1SŁukasz Gieryk if (params->sriov_max_vq_per_vf && 7910746d42b1SŁukasz Gieryk (params->sriov_max_vq_per_vf < 2 || 7911746d42b1SŁukasz Gieryk (params->sriov_max_vq_per_vf - 1) % NVME_VF_RES_GRANULARITY)) { 7912746d42b1SŁukasz Gieryk error_setg(errp, "sriov_max_vq_per_vf must meet:" 7913746d42b1SŁukasz Gieryk " (sriov_max_vq_per_vf - 1) %% %d == 0 and" 7914746d42b1SŁukasz Gieryk " sriov_max_vq_per_vf >= 2", NVME_VF_RES_GRANULARITY); 7915784fd353SKlaus Jensen return false; 7916746d42b1SŁukasz Gieryk } 791744c2c094SLukasz Maniak } 7918784fd353SKlaus Jensen 7919784fd353SKlaus Jensen return true; 792088eea45cSKlaus Jensen } 792188eea45cSKlaus Jensen 792288eea45cSKlaus Jensen static void nvme_init_state(NvmeCtrl *n) 792388eea45cSKlaus Jensen { 79245e6f963fSLukasz Maniak NvmePriCtrlCap *cap = &n->pri_ctrl_cap; 792599f48ae7SLukasz Maniak NvmeSecCtrlList *list = &n->sec_ctrl_list; 792699f48ae7SLukasz Maniak NvmeSecCtrlEntry *sctrl; 792748b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 7928746d42b1SŁukasz Gieryk uint8_t max_vfs; 792999f48ae7SLukasz Maniak int i; 79305e6f963fSLukasz Maniak 793148b32c28SKlaus Jensen if (pci_is_vf(pci)) { 7932746d42b1SŁukasz Gieryk sctrl = nvme_sctrl(n); 7933746d42b1SŁukasz Gieryk max_vfs = 0; 7934746d42b1SŁukasz Gieryk n->conf_ioqpairs = sctrl->nvq ? le16_to_cpu(sctrl->nvq) - 1 : 0; 7935746d42b1SŁukasz Gieryk n->conf_msix_qsize = sctrl->nvi ? le16_to_cpu(sctrl->nvi) : 1; 7936746d42b1SŁukasz Gieryk } else { 7937746d42b1SŁukasz Gieryk max_vfs = n->params.sriov_max_vfs; 7938decc0261SŁukasz Gieryk n->conf_ioqpairs = n->params.max_ioqpairs; 7939decc0261SŁukasz Gieryk n->conf_msix_qsize = n->params.msix_qsize; 7940746d42b1SŁukasz Gieryk } 7941decc0261SŁukasz Gieryk 794288eea45cSKlaus Jensen n->sq = g_new0(NvmeSQueue *, n->params.max_ioqpairs + 1); 794388eea45cSKlaus Jensen n->cq = g_new0(NvmeCQueue *, n->params.max_ioqpairs + 1); 794488eea45cSKlaus Jensen n->temperature = NVME_TEMPERATURE; 794588eea45cSKlaus Jensen n->features.temp_thresh_hi = NVME_TEMPERATURE_WARNING; 794688eea45cSKlaus Jensen n->starttime_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 794788eea45cSKlaus Jensen n->aer_reqs = g_new0(NvmeRequest *, n->params.aerl + 1); 7948b7698b91SŁukasz Gieryk QTAILQ_INIT(&n->aer_queue); 79495e6f963fSLukasz Maniak 7950746d42b1SŁukasz Gieryk list->numcntl = cpu_to_le16(max_vfs); 7951746d42b1SŁukasz Gieryk for (i = 0; i < max_vfs; i++) { 795299f48ae7SLukasz Maniak sctrl = &list->sec[i]; 795399f48ae7SLukasz Maniak sctrl->pcid = cpu_to_le16(n->cntlid); 795499f48ae7SLukasz Maniak sctrl->vfn = cpu_to_le16(i + 1); 795599f48ae7SLukasz Maniak } 795699f48ae7SLukasz Maniak 79575e6f963fSLukasz Maniak cap->cntlid = cpu_to_le16(n->cntlid); 7958746d42b1SŁukasz Gieryk cap->crt = NVME_CRT_VQ | NVME_CRT_VI; 7959746d42b1SŁukasz Gieryk 796048b32c28SKlaus Jensen if (pci_is_vf(pci)) { 7961746d42b1SŁukasz Gieryk cap->vqprt = cpu_to_le16(1 + n->conf_ioqpairs); 7962746d42b1SŁukasz Gieryk } else { 7963746d42b1SŁukasz Gieryk cap->vqprt = cpu_to_le16(1 + n->params.max_ioqpairs - 7964746d42b1SŁukasz Gieryk n->params.sriov_vq_flexible); 7965746d42b1SŁukasz Gieryk cap->vqfrt = cpu_to_le32(n->params.sriov_vq_flexible); 7966746d42b1SŁukasz Gieryk cap->vqrfap = cap->vqfrt; 7967746d42b1SŁukasz Gieryk cap->vqgran = cpu_to_le16(NVME_VF_RES_GRANULARITY); 7968746d42b1SŁukasz Gieryk cap->vqfrsm = n->params.sriov_max_vq_per_vf ? 7969746d42b1SŁukasz Gieryk cpu_to_le16(n->params.sriov_max_vq_per_vf) : 7970746d42b1SŁukasz Gieryk cap->vqfrt / MAX(max_vfs, 1); 7971746d42b1SŁukasz Gieryk } 7972746d42b1SŁukasz Gieryk 797348b32c28SKlaus Jensen if (pci_is_vf(pci)) { 7974746d42b1SŁukasz Gieryk cap->viprt = cpu_to_le16(n->conf_msix_qsize); 7975746d42b1SŁukasz Gieryk } else { 7976746d42b1SŁukasz Gieryk cap->viprt = cpu_to_le16(n->params.msix_qsize - 7977746d42b1SŁukasz Gieryk n->params.sriov_vi_flexible); 7978746d42b1SŁukasz Gieryk cap->vifrt = cpu_to_le32(n->params.sriov_vi_flexible); 7979746d42b1SŁukasz Gieryk cap->virfap = cap->vifrt; 7980746d42b1SŁukasz Gieryk cap->vigran = cpu_to_le16(NVME_VF_RES_GRANULARITY); 7981746d42b1SŁukasz Gieryk cap->vifrsm = n->params.sriov_max_vi_per_vf ? 7982746d42b1SŁukasz Gieryk cpu_to_le16(n->params.sriov_max_vi_per_vf) : 7983746d42b1SŁukasz Gieryk cap->vifrt / MAX(max_vfs, 1); 7984746d42b1SŁukasz Gieryk } 798588eea45cSKlaus Jensen } 798688eea45cSKlaus Jensen 798788eea45cSKlaus Jensen static void nvme_init_cmb(NvmeCtrl *n, PCIDevice *pci_dev) 798888eea45cSKlaus Jensen { 798988eea45cSKlaus Jensen uint64_t cmb_size = n->params.cmb_size_mb * MiB; 799049e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 799188eea45cSKlaus Jensen 799288eea45cSKlaus Jensen n->cmb.buf = g_malloc0(cmb_size); 799388eea45cSKlaus Jensen memory_region_init_io(&n->cmb.mem, OBJECT(n), &nvme_cmb_ops, n, 799488eea45cSKlaus Jensen "nvme-cmb", cmb_size); 799588eea45cSKlaus Jensen pci_register_bar(pci_dev, NVME_CMB_BIR, 799688eea45cSKlaus Jensen PCI_BASE_ADDRESS_SPACE_MEMORY | 799788eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64 | 799888eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_PREFETCH, &n->cmb.mem); 799988eea45cSKlaus Jensen 800049e03457SKlaus Jensen NVME_CAP_SET_CMBS(cap, 1); 800149e03457SKlaus Jensen stq_le_p(&n->bar.cap, cap); 800288eea45cSKlaus Jensen 800388eea45cSKlaus Jensen if (n->params.legacy_cmb) { 800488eea45cSKlaus Jensen nvme_cmb_enable_regs(n); 800588eea45cSKlaus Jensen n->cmb.cmse = true; 800688eea45cSKlaus Jensen } 800788eea45cSKlaus Jensen } 800888eea45cSKlaus Jensen 800988eea45cSKlaus Jensen static void nvme_init_pmr(NvmeCtrl *n, PCIDevice *pci_dev) 801088eea45cSKlaus Jensen { 801149e03457SKlaus Jensen uint32_t pmrcap = ldl_le_p(&n->bar.pmrcap); 801288eea45cSKlaus Jensen 801349e03457SKlaus Jensen NVME_PMRCAP_SET_RDS(pmrcap, 1); 801449e03457SKlaus Jensen NVME_PMRCAP_SET_WDS(pmrcap, 1); 801549e03457SKlaus Jensen NVME_PMRCAP_SET_BIR(pmrcap, NVME_PMR_BIR); 801649e03457SKlaus Jensen /* Turn on bit 1 support */ 801749e03457SKlaus Jensen NVME_PMRCAP_SET_PMRWBM(pmrcap, 0x02); 801849e03457SKlaus Jensen NVME_PMRCAP_SET_CMSS(pmrcap, 1); 801949e03457SKlaus Jensen stl_le_p(&n->bar.pmrcap, pmrcap); 802049e03457SKlaus Jensen 802149e03457SKlaus Jensen pci_register_bar(pci_dev, NVME_PMR_BIR, 802288eea45cSKlaus Jensen PCI_BASE_ADDRESS_SPACE_MEMORY | 802388eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64 | 802488eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_PREFETCH, &n->pmr.dev->mr); 802588eea45cSKlaus Jensen 802688eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, false); 802788eea45cSKlaus Jensen } 802888eea45cSKlaus Jensen 8029aa817713SŁukasz Gieryk static uint64_t nvme_bar_size(unsigned total_queues, unsigned total_irqs, 8030aa817713SŁukasz Gieryk unsigned *msix_table_offset, 8031aa817713SŁukasz Gieryk unsigned *msix_pba_offset) 8032aa817713SŁukasz Gieryk { 8033aa817713SŁukasz Gieryk uint64_t bar_size, msix_table_size, msix_pba_size; 8034aa817713SŁukasz Gieryk 8035aa817713SŁukasz Gieryk bar_size = sizeof(NvmeBar) + 2 * total_queues * NVME_DB_SIZE; 8036aa817713SŁukasz Gieryk bar_size = QEMU_ALIGN_UP(bar_size, 4 * KiB); 8037aa817713SŁukasz Gieryk 8038aa817713SŁukasz Gieryk if (msix_table_offset) { 8039aa817713SŁukasz Gieryk *msix_table_offset = bar_size; 8040aa817713SŁukasz Gieryk } 8041aa817713SŁukasz Gieryk 8042aa817713SŁukasz Gieryk msix_table_size = PCI_MSIX_ENTRY_SIZE * total_irqs; 8043aa817713SŁukasz Gieryk bar_size += msix_table_size; 8044aa817713SŁukasz Gieryk bar_size = QEMU_ALIGN_UP(bar_size, 4 * KiB); 8045aa817713SŁukasz Gieryk 8046aa817713SŁukasz Gieryk if (msix_pba_offset) { 8047aa817713SŁukasz Gieryk *msix_pba_offset = bar_size; 8048aa817713SŁukasz Gieryk } 8049aa817713SŁukasz Gieryk 8050aa817713SŁukasz Gieryk msix_pba_size = QEMU_ALIGN_UP(total_irqs, 64) / 8; 8051aa817713SŁukasz Gieryk bar_size += msix_pba_size; 8052aa817713SŁukasz Gieryk 8053aa817713SŁukasz Gieryk bar_size = pow2ceil(bar_size); 8054aa817713SŁukasz Gieryk return bar_size; 8055aa817713SŁukasz Gieryk } 8056aa817713SŁukasz Gieryk 8057746d42b1SŁukasz Gieryk static void nvme_init_sriov(NvmeCtrl *n, PCIDevice *pci_dev, uint16_t offset) 805844c2c094SLukasz Maniak { 805944c2c094SLukasz Maniak uint16_t vf_dev_id = n->params.use_intel_id ? 806044c2c094SLukasz Maniak PCI_DEVICE_ID_INTEL_NVME : PCI_DEVICE_ID_REDHAT_NVME; 8061746d42b1SŁukasz Gieryk NvmePriCtrlCap *cap = &n->pri_ctrl_cap; 8062746d42b1SŁukasz Gieryk uint64_t bar_size = nvme_bar_size(le16_to_cpu(cap->vqfrsm), 8063746d42b1SŁukasz Gieryk le16_to_cpu(cap->vifrsm), 8064746d42b1SŁukasz Gieryk NULL, NULL); 806544c2c094SLukasz Maniak 806644c2c094SLukasz Maniak pcie_sriov_pf_init(pci_dev, offset, "nvme", vf_dev_id, 806744c2c094SLukasz Maniak n->params.sriov_max_vfs, n->params.sriov_max_vfs, 806844c2c094SLukasz Maniak NVME_VF_OFFSET, NVME_VF_STRIDE); 806944c2c094SLukasz Maniak 807044c2c094SLukasz Maniak pcie_sriov_pf_init_vf_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY | 807144c2c094SLukasz Maniak PCI_BASE_ADDRESS_MEM_TYPE_64, bar_size); 807244c2c094SLukasz Maniak } 807344c2c094SLukasz Maniak 80741e9c685eSŁukasz Gieryk static int nvme_add_pm_capability(PCIDevice *pci_dev, uint8_t offset) 80751e9c685eSŁukasz Gieryk { 80761e9c685eSŁukasz Gieryk Error *err = NULL; 80771e9c685eSŁukasz Gieryk int ret; 80781e9c685eSŁukasz Gieryk 80791e9c685eSŁukasz Gieryk ret = pci_add_capability(pci_dev, PCI_CAP_ID_PM, offset, 80801e9c685eSŁukasz Gieryk PCI_PM_SIZEOF, &err); 80811e9c685eSŁukasz Gieryk if (err) { 80821e9c685eSŁukasz Gieryk error_report_err(err); 80831e9c685eSŁukasz Gieryk return ret; 80841e9c685eSŁukasz Gieryk } 80851e9c685eSŁukasz Gieryk 80861e9c685eSŁukasz Gieryk pci_set_word(pci_dev->config + offset + PCI_PM_PMC, 80871e9c685eSŁukasz Gieryk PCI_PM_CAP_VER_1_2); 80881e9c685eSŁukasz Gieryk pci_set_word(pci_dev->config + offset + PCI_PM_CTRL, 80891e9c685eSŁukasz Gieryk PCI_PM_CTRL_NO_SOFT_RESET); 80901e9c685eSŁukasz Gieryk pci_set_word(pci_dev->wmask + offset + PCI_PM_CTRL, 80911e9c685eSŁukasz Gieryk PCI_PM_CTRL_STATE_MASK); 80921e9c685eSŁukasz Gieryk 80931e9c685eSŁukasz Gieryk return 0; 80941e9c685eSŁukasz Gieryk } 80951e9c685eSŁukasz Gieryk 8096973f76cfSKlaus Jensen static bool nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev, Error **errp) 809788eea45cSKlaus Jensen { 8098973f76cfSKlaus Jensen ERRP_GUARD(); 809988eea45cSKlaus Jensen uint8_t *pci_conf = pci_dev->config; 8100aa817713SŁukasz Gieryk uint64_t bar_size; 810188eea45cSKlaus Jensen unsigned msix_table_offset, msix_pba_offset; 810288eea45cSKlaus Jensen int ret; 810388eea45cSKlaus Jensen 810488eea45cSKlaus Jensen pci_conf[PCI_INTERRUPT_PIN] = 1; 810588eea45cSKlaus Jensen pci_config_set_prog_interface(pci_conf, 0x2); 810688eea45cSKlaus Jensen 810788eea45cSKlaus Jensen if (n->params.use_intel_id) { 810888eea45cSKlaus Jensen pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL); 810944c2c094SLukasz Maniak pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_INTEL_NVME); 811088eea45cSKlaus Jensen } else { 811188eea45cSKlaus Jensen pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_REDHAT); 811288eea45cSKlaus Jensen pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_REDHAT_NVME); 811388eea45cSKlaus Jensen } 811488eea45cSKlaus Jensen 811588eea45cSKlaus Jensen pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_EXPRESS); 81161e9c685eSŁukasz Gieryk nvme_add_pm_capability(pci_dev, 0x60); 811788eea45cSKlaus Jensen pcie_endpoint_cap_init(pci_dev, 0x80); 81181e9c685eSŁukasz Gieryk pcie_cap_flr_init(pci_dev); 811944c2c094SLukasz Maniak if (n->params.sriov_max_vfs) { 8120445416e3SAkihiko Odaki pcie_ari_init(pci_dev, 0x100); 812144c2c094SLukasz Maniak } 812288eea45cSKlaus Jensen 81233bfcc517SŁukasz Gieryk /* add one to max_ioqpairs to account for the admin queue pair */ 8124aa817713SŁukasz Gieryk bar_size = nvme_bar_size(n->params.max_ioqpairs + 1, n->params.msix_qsize, 8125aa817713SŁukasz Gieryk &msix_table_offset, &msix_pba_offset); 812688eea45cSKlaus Jensen 812788eea45cSKlaus Jensen memory_region_init(&n->bar0, OBJECT(n), "nvme-bar0", bar_size); 812888eea45cSKlaus Jensen memory_region_init_io(&n->iomem, OBJECT(n), &nvme_mmio_ops, n, "nvme", 81293bfcc517SŁukasz Gieryk msix_table_offset); 813088eea45cSKlaus Jensen memory_region_add_subregion(&n->bar0, 0, &n->iomem); 813188eea45cSKlaus Jensen 813244c2c094SLukasz Maniak if (pci_is_vf(pci_dev)) { 813344c2c094SLukasz Maniak pcie_sriov_vf_register_bar(pci_dev, 0, &n->bar0); 813444c2c094SLukasz Maniak } else { 813588eea45cSKlaus Jensen pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY | 813688eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64, &n->bar0); 813744c2c094SLukasz Maniak } 813888eea45cSKlaus Jensen ret = msix_init(pci_dev, n->params.msix_qsize, 813988eea45cSKlaus Jensen &n->bar0, 0, msix_table_offset, 8140973f76cfSKlaus Jensen &n->bar0, 0, msix_pba_offset, 0, errp); 814188eea45cSKlaus Jensen if (ret == -ENOTSUP) { 8142973f76cfSKlaus Jensen /* report that msix is not supported, but do not error out */ 8143973f76cfSKlaus Jensen warn_report_err(*errp); 8144973f76cfSKlaus Jensen *errp = NULL; 8145973f76cfSKlaus Jensen } else if (ret < 0) { 8146973f76cfSKlaus Jensen /* propagate error to caller */ 8147973f76cfSKlaus Jensen return false; 814888eea45cSKlaus Jensen } 814988eea45cSKlaus Jensen 8150decc0261SŁukasz Gieryk nvme_update_msixcap_ts(pci_dev, n->conf_msix_qsize); 8151decc0261SŁukasz Gieryk 815288eea45cSKlaus Jensen if (n->params.cmb_size_mb) { 815388eea45cSKlaus Jensen nvme_init_cmb(n, pci_dev); 815488eea45cSKlaus Jensen } 815588eea45cSKlaus Jensen 815688eea45cSKlaus Jensen if (n->pmr.dev) { 815788eea45cSKlaus Jensen nvme_init_pmr(n, pci_dev); 815888eea45cSKlaus Jensen } 815988eea45cSKlaus Jensen 816044c2c094SLukasz Maniak if (!pci_is_vf(pci_dev) && n->params.sriov_max_vfs) { 8161746d42b1SŁukasz Gieryk nvme_init_sriov(n, pci_dev, 0x120); 816244c2c094SLukasz Maniak } 816344c2c094SLukasz Maniak 8164973f76cfSKlaus Jensen return true; 816588eea45cSKlaus Jensen } 816688eea45cSKlaus Jensen 816788eea45cSKlaus Jensen static void nvme_init_subnqn(NvmeCtrl *n) 816888eea45cSKlaus Jensen { 816988eea45cSKlaus Jensen NvmeSubsystem *subsys = n->subsys; 817088eea45cSKlaus Jensen NvmeIdCtrl *id = &n->id_ctrl; 817188eea45cSKlaus Jensen 817288eea45cSKlaus Jensen if (!subsys) { 817388eea45cSKlaus Jensen snprintf((char *)id->subnqn, sizeof(id->subnqn), 817488eea45cSKlaus Jensen "nqn.2019-08.org.qemu:%s", n->params.serial); 817588eea45cSKlaus Jensen } else { 817688eea45cSKlaus Jensen pstrcpy((char *)id->subnqn, sizeof(id->subnqn), (char*)subsys->subnqn); 817788eea45cSKlaus Jensen } 817888eea45cSKlaus Jensen } 817988eea45cSKlaus Jensen 818088eea45cSKlaus Jensen static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev) 818188eea45cSKlaus Jensen { 818288eea45cSKlaus Jensen NvmeIdCtrl *id = &n->id_ctrl; 818388eea45cSKlaus Jensen uint8_t *pci_conf = pci_dev->config; 818449e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 8185746d42b1SŁukasz Gieryk NvmeSecCtrlEntry *sctrl = nvme_sctrl(n); 8186771dbc3aSKlaus Jensen uint32_t ctratt; 818788eea45cSKlaus Jensen 818888eea45cSKlaus Jensen id->vid = cpu_to_le16(pci_get_word(pci_conf + PCI_VENDOR_ID)); 818988eea45cSKlaus Jensen id->ssvid = cpu_to_le16(pci_get_word(pci_conf + PCI_SUBSYSTEM_VENDOR_ID)); 819088eea45cSKlaus Jensen strpadcpy((char *)id->mn, sizeof(id->mn), "QEMU NVMe Ctrl", ' '); 8191fbba243bSKlaus Jensen strpadcpy((char *)id->fr, sizeof(id->fr), QEMU_VERSION, ' '); 819288eea45cSKlaus Jensen strpadcpy((char *)id->sn, sizeof(id->sn), n->params.serial, ' '); 819388eea45cSKlaus Jensen 819488eea45cSKlaus Jensen id->cntlid = cpu_to_le16(n->cntlid); 819588eea45cSKlaus Jensen 819688eea45cSKlaus Jensen id->oaes = cpu_to_le32(NVME_OAES_NS_ATTR); 8197771dbc3aSKlaus Jensen ctratt = NVME_CTRATT_ELBAS; 819888eea45cSKlaus Jensen 819988eea45cSKlaus Jensen id->rab = 6; 820088eea45cSKlaus Jensen 820188eea45cSKlaus Jensen if (n->params.use_intel_id) { 820288eea45cSKlaus Jensen id->ieee[0] = 0xb3; 820388eea45cSKlaus Jensen id->ieee[1] = 0x02; 820488eea45cSKlaus Jensen id->ieee[2] = 0x00; 820588eea45cSKlaus Jensen } else { 820688eea45cSKlaus Jensen id->ieee[0] = 0x00; 820788eea45cSKlaus Jensen id->ieee[1] = 0x54; 820888eea45cSKlaus Jensen id->ieee[2] = 0x52; 820988eea45cSKlaus Jensen } 821088eea45cSKlaus Jensen 821188eea45cSKlaus Jensen id->mdts = n->params.mdts; 821288eea45cSKlaus Jensen id->ver = cpu_to_le32(NVME_SPEC_VER); 82133f7fe8deSJinhao Fan id->oacs = 8214e181d3daSGollu Appalanaidu cpu_to_le16(NVME_OACS_NS_MGMT | NVME_OACS_FORMAT | NVME_OACS_DBBUF | 8215e181d3daSGollu Appalanaidu NVME_OACS_DIRECTIVES); 821688eea45cSKlaus Jensen id->cntrltype = 0x1; 821788eea45cSKlaus Jensen 821888eea45cSKlaus Jensen /* 821988eea45cSKlaus Jensen * Because the controller always completes the Abort command immediately, 822088eea45cSKlaus Jensen * there can never be more than one concurrently executing Abort command, 822188eea45cSKlaus Jensen * so this value is never used for anything. Note that there can easily be 822288eea45cSKlaus Jensen * many Abort commands in the queues, but they are not considered 822388eea45cSKlaus Jensen * "executing" until processed by nvme_abort. 822488eea45cSKlaus Jensen * 822588eea45cSKlaus Jensen * The specification recommends a value of 3 for Abort Command Limit (four 822688eea45cSKlaus Jensen * concurrently outstanding Abort commands), so lets use that though it is 822788eea45cSKlaus Jensen * inconsequential. 822888eea45cSKlaus Jensen */ 822988eea45cSKlaus Jensen id->acl = 3; 823088eea45cSKlaus Jensen id->aerl = n->params.aerl; 823188eea45cSKlaus Jensen id->frmw = (NVME_NUM_FW_SLOTS << 1) | NVME_FRMW_SLOT1_RO; 823288eea45cSKlaus Jensen id->lpa = NVME_LPA_NS_SMART | NVME_LPA_CSE | NVME_LPA_EXTENDED; 823388eea45cSKlaus Jensen 823488eea45cSKlaus Jensen /* recommended default value (~70 C) */ 823588eea45cSKlaus Jensen id->wctemp = cpu_to_le16(NVME_TEMPERATURE_WARNING); 823688eea45cSKlaus Jensen id->cctemp = cpu_to_le16(NVME_TEMPERATURE_CRITICAL); 823788eea45cSKlaus Jensen 823888eea45cSKlaus Jensen id->sqes = (0x6 << 4) | 0x6; 823988eea45cSKlaus Jensen id->cqes = (0x4 << 4) | 0x4; 824088eea45cSKlaus Jensen id->nn = cpu_to_le32(NVME_MAX_NAMESPACES); 824188eea45cSKlaus Jensen id->oncs = cpu_to_le16(NVME_ONCS_WRITE_ZEROES | NVME_ONCS_TIMESTAMP | 824288eea45cSKlaus Jensen NVME_ONCS_FEATURES | NVME_ONCS_DSM | 824388eea45cSKlaus Jensen NVME_ONCS_COMPARE | NVME_ONCS_COPY); 824488eea45cSKlaus Jensen 824588eea45cSKlaus Jensen /* 824688eea45cSKlaus Jensen * NOTE: If this device ever supports a command set that does NOT use 0x0 824788eea45cSKlaus Jensen * as a Flush-equivalent operation, support for the broadcast NSID in Flush 824888eea45cSKlaus Jensen * should probably be removed. 824988eea45cSKlaus Jensen * 825088eea45cSKlaus Jensen * See comment in nvme_io_cmd. 825188eea45cSKlaus Jensen */ 825288eea45cSKlaus Jensen id->vwc = NVME_VWC_NSID_BROADCAST_SUPPORT | NVME_VWC_PRESENT; 825388eea45cSKlaus Jensen 825444219b60SNaveen Nagar id->ocfs = cpu_to_le16(NVME_OCFS_COPY_FORMAT_0 | NVME_OCFS_COPY_FORMAT_1); 8255b9147a3aSKlaus Jensen id->sgls = cpu_to_le32(NVME_CTRL_SGLS_SUPPORT_NO_ALIGN); 825688eea45cSKlaus Jensen 825788eea45cSKlaus Jensen nvme_init_subnqn(n); 825888eea45cSKlaus Jensen 825988eea45cSKlaus Jensen id->psd[0].mp = cpu_to_le16(0x9c4); 826088eea45cSKlaus Jensen id->psd[0].enlat = cpu_to_le32(0x10); 826188eea45cSKlaus Jensen id->psd[0].exlat = cpu_to_le32(0x4); 826288eea45cSKlaus Jensen 826388eea45cSKlaus Jensen if (n->subsys) { 826488eea45cSKlaus Jensen id->cmic |= NVME_CMIC_MULTI_CTRL; 8265771dbc3aSKlaus Jensen ctratt |= NVME_CTRATT_ENDGRPS; 8266771dbc3aSKlaus Jensen 8267771dbc3aSKlaus Jensen id->endgidmax = cpu_to_le16(0x1); 826873064edfSJesper Devantier 826973064edfSJesper Devantier if (n->subsys->endgrp.fdp.enabled) { 827073064edfSJesper Devantier ctratt |= NVME_CTRATT_FDPS; 827173064edfSJesper Devantier } 827288eea45cSKlaus Jensen } 827388eea45cSKlaus Jensen 8274771dbc3aSKlaus Jensen id->ctratt = cpu_to_le32(ctratt); 8275771dbc3aSKlaus Jensen 827649e03457SKlaus Jensen NVME_CAP_SET_MQES(cap, 0x7ff); 827749e03457SKlaus Jensen NVME_CAP_SET_CQR(cap, 1); 827849e03457SKlaus Jensen NVME_CAP_SET_TO(cap, 0xf); 827949e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_NVM); 828049e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_CSI_SUPP); 828149e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_ADMIN_ONLY); 828249e03457SKlaus Jensen NVME_CAP_SET_MPSMAX(cap, 4); 828349e03457SKlaus Jensen NVME_CAP_SET_CMBS(cap, n->params.cmb_size_mb ? 1 : 0); 828449e03457SKlaus Jensen NVME_CAP_SET_PMRS(cap, n->pmr.dev ? 1 : 0); 828549e03457SKlaus Jensen stq_le_p(&n->bar.cap, cap); 828688eea45cSKlaus Jensen 828749e03457SKlaus Jensen stl_le_p(&n->bar.vs, NVME_SPEC_VER); 828888eea45cSKlaus Jensen n->bar.intmc = n->bar.intms = 0; 8289746d42b1SŁukasz Gieryk 829048b32c28SKlaus Jensen if (pci_is_vf(pci_dev) && !sctrl->scs) { 8291746d42b1SŁukasz Gieryk stl_le_p(&n->bar.csts, NVME_CSTS_FAILED); 8292746d42b1SŁukasz Gieryk } 829388eea45cSKlaus Jensen } 829488eea45cSKlaus Jensen 829588eea45cSKlaus Jensen static int nvme_init_subsys(NvmeCtrl *n, Error **errp) 829688eea45cSKlaus Jensen { 829788eea45cSKlaus Jensen int cntlid; 829888eea45cSKlaus Jensen 829988eea45cSKlaus Jensen if (!n->subsys) { 830088eea45cSKlaus Jensen return 0; 830188eea45cSKlaus Jensen } 830288eea45cSKlaus Jensen 830388eea45cSKlaus Jensen cntlid = nvme_subsys_register_ctrl(n, errp); 830488eea45cSKlaus Jensen if (cntlid < 0) { 830588eea45cSKlaus Jensen return -1; 830688eea45cSKlaus Jensen } 830788eea45cSKlaus Jensen 830888eea45cSKlaus Jensen n->cntlid = cntlid; 830988eea45cSKlaus Jensen 831088eea45cSKlaus Jensen return 0; 831188eea45cSKlaus Jensen } 831288eea45cSKlaus Jensen 831388eea45cSKlaus Jensen void nvme_attach_ns(NvmeCtrl *n, NvmeNamespace *ns) 831488eea45cSKlaus Jensen { 831588eea45cSKlaus Jensen uint32_t nsid = ns->params.nsid; 831688eea45cSKlaus Jensen assert(nsid && nsid <= NVME_MAX_NAMESPACES); 831788eea45cSKlaus Jensen 831888eea45cSKlaus Jensen n->namespaces[nsid] = ns; 831988eea45cSKlaus Jensen ns->attached++; 832088eea45cSKlaus Jensen 832188eea45cSKlaus Jensen n->dmrsl = MIN_NON_ZERO(n->dmrsl, 832288eea45cSKlaus Jensen BDRV_REQUEST_MAX_BYTES / nvme_l2b(ns, 1)); 832388eea45cSKlaus Jensen } 832488eea45cSKlaus Jensen 832588eea45cSKlaus Jensen static void nvme_realize(PCIDevice *pci_dev, Error **errp) 832688eea45cSKlaus Jensen { 832788eea45cSKlaus Jensen NvmeCtrl *n = NVME(pci_dev); 832848b32c28SKlaus Jensen DeviceState *dev = DEVICE(pci_dev); 832988eea45cSKlaus Jensen NvmeNamespace *ns; 833044c2c094SLukasz Maniak NvmeCtrl *pn = NVME(pcie_sriov_get_pf(pci_dev)); 833144c2c094SLukasz Maniak 833244c2c094SLukasz Maniak if (pci_is_vf(pci_dev)) { 833344c2c094SLukasz Maniak /* 833444c2c094SLukasz Maniak * VFs derive settings from the parent. PF's lifespan exceeds 833544c2c094SLukasz Maniak * that of VF's, so it's safe to share params.serial. 833644c2c094SLukasz Maniak */ 833744c2c094SLukasz Maniak memcpy(&n->params, &pn->params, sizeof(NvmeParams)); 833844c2c094SLukasz Maniak n->subsys = pn->subsys; 833944c2c094SLukasz Maniak } 834088eea45cSKlaus Jensen 8341784fd353SKlaus Jensen if (!nvme_check_params(n, errp)) { 834288eea45cSKlaus Jensen return; 834388eea45cSKlaus Jensen } 834488eea45cSKlaus Jensen 834548b32c28SKlaus Jensen qbus_init(&n->bus, sizeof(NvmeBus), TYPE_NVME_BUS, dev, dev->id); 834688eea45cSKlaus Jensen 834788eea45cSKlaus Jensen if (nvme_init_subsys(n, errp)) { 834888eea45cSKlaus Jensen return; 834988eea45cSKlaus Jensen } 83505e6f963fSLukasz Maniak nvme_init_state(n); 8351973f76cfSKlaus Jensen if (!nvme_init_pci(n, pci_dev, errp)) { 83525e6f963fSLukasz Maniak return; 83535e6f963fSLukasz Maniak } 835488eea45cSKlaus Jensen nvme_init_ctrl(n, pci_dev); 835588eea45cSKlaus Jensen 835688eea45cSKlaus Jensen /* setup a namespace if the controller drive property was given */ 835788eea45cSKlaus Jensen if (n->namespace.blkconf.blk) { 835888eea45cSKlaus Jensen ns = &n->namespace; 835988eea45cSKlaus Jensen ns->params.nsid = 1; 836088eea45cSKlaus Jensen 83615e4f6bccSKlaus Jensen if (nvme_ns_setup(ns, errp)) { 836288eea45cSKlaus Jensen return; 836388eea45cSKlaus Jensen } 836488eea45cSKlaus Jensen 836588eea45cSKlaus Jensen nvme_attach_ns(n, ns); 836688eea45cSKlaus Jensen } 836788eea45cSKlaus Jensen } 836888eea45cSKlaus Jensen 836988eea45cSKlaus Jensen static void nvme_exit(PCIDevice *pci_dev) 837088eea45cSKlaus Jensen { 837188eea45cSKlaus Jensen NvmeCtrl *n = NVME(pci_dev); 837288eea45cSKlaus Jensen NvmeNamespace *ns; 837388eea45cSKlaus Jensen int i; 837488eea45cSKlaus Jensen 83751e9c685eSŁukasz Gieryk nvme_ctrl_reset(n, NVME_RESET_FUNCTION); 837688eea45cSKlaus Jensen 83775ffbaeedSKlaus Jensen if (n->subsys) { 837888eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 837988eea45cSKlaus Jensen ns = nvme_ns(n, i); 83805ffbaeedSKlaus Jensen if (ns) { 83815ffbaeedSKlaus Jensen ns->attached--; 83825ffbaeedSKlaus Jensen } 838388eea45cSKlaus Jensen } 838488eea45cSKlaus Jensen 8385b0fde9e8SKlaus Jensen nvme_subsys_unregister_ctrl(n->subsys, n); 8386b0fde9e8SKlaus Jensen } 8387b0fde9e8SKlaus Jensen 838888eea45cSKlaus Jensen g_free(n->cq); 838988eea45cSKlaus Jensen g_free(n->sq); 839088eea45cSKlaus Jensen g_free(n->aer_reqs); 839188eea45cSKlaus Jensen 839288eea45cSKlaus Jensen if (n->params.cmb_size_mb) { 839388eea45cSKlaus Jensen g_free(n->cmb.buf); 839488eea45cSKlaus Jensen } 839588eea45cSKlaus Jensen 839688eea45cSKlaus Jensen if (n->pmr.dev) { 839788eea45cSKlaus Jensen host_memory_backend_set_mapped(n->pmr.dev, false); 839888eea45cSKlaus Jensen } 839944c2c094SLukasz Maniak 840044c2c094SLukasz Maniak if (!pci_is_vf(pci_dev) && n->params.sriov_max_vfs) { 840144c2c094SLukasz Maniak pcie_sriov_pf_exit(pci_dev); 840244c2c094SLukasz Maniak } 840344c2c094SLukasz Maniak 840488eea45cSKlaus Jensen msix_uninit(pci_dev, &n->bar0, &n->bar0); 840588eea45cSKlaus Jensen memory_region_del_subregion(&n->bar0, &n->iomem); 840688eea45cSKlaus Jensen } 840788eea45cSKlaus Jensen 840888eea45cSKlaus Jensen static Property nvme_props[] = { 840988eea45cSKlaus Jensen DEFINE_BLOCK_PROPERTIES(NvmeCtrl, namespace.blkconf), 841088eea45cSKlaus Jensen DEFINE_PROP_LINK("pmrdev", NvmeCtrl, pmr.dev, TYPE_MEMORY_BACKEND, 841188eea45cSKlaus Jensen HostMemoryBackend *), 841288eea45cSKlaus Jensen DEFINE_PROP_LINK("subsys", NvmeCtrl, subsys, TYPE_NVME_SUBSYS, 841388eea45cSKlaus Jensen NvmeSubsystem *), 841488eea45cSKlaus Jensen DEFINE_PROP_STRING("serial", NvmeCtrl, params.serial), 841588eea45cSKlaus Jensen DEFINE_PROP_UINT32("cmb_size_mb", NvmeCtrl, params.cmb_size_mb, 0), 841688eea45cSKlaus Jensen DEFINE_PROP_UINT32("num_queues", NvmeCtrl, params.num_queues, 0), 841788eea45cSKlaus Jensen DEFINE_PROP_UINT32("max_ioqpairs", NvmeCtrl, params.max_ioqpairs, 64), 841888eea45cSKlaus Jensen DEFINE_PROP_UINT16("msix_qsize", NvmeCtrl, params.msix_qsize, 65), 841988eea45cSKlaus Jensen DEFINE_PROP_UINT8("aerl", NvmeCtrl, params.aerl, 3), 842088eea45cSKlaus Jensen DEFINE_PROP_UINT32("aer_max_queued", NvmeCtrl, params.aer_max_queued, 64), 842188eea45cSKlaus Jensen DEFINE_PROP_UINT8("mdts", NvmeCtrl, params.mdts, 7), 842288eea45cSKlaus Jensen DEFINE_PROP_UINT8("vsl", NvmeCtrl, params.vsl, 7), 842388eea45cSKlaus Jensen DEFINE_PROP_BOOL("use-intel-id", NvmeCtrl, params.use_intel_id, false), 842488eea45cSKlaus Jensen DEFINE_PROP_BOOL("legacy-cmb", NvmeCtrl, params.legacy_cmb, false), 8425e2e137f6SKlaus Jensen DEFINE_PROP_BOOL("ioeventfd", NvmeCtrl, params.ioeventfd, false), 842688eea45cSKlaus Jensen DEFINE_PROP_UINT8("zoned.zasl", NvmeCtrl, params.zasl, 0), 8427cccc2651SNiklas Cassel DEFINE_PROP_BOOL("zoned.auto_transition", NvmeCtrl, 8428cccc2651SNiklas Cassel params.auto_transition_zones, true), 842944c2c094SLukasz Maniak DEFINE_PROP_UINT8("sriov_max_vfs", NvmeCtrl, params.sriov_max_vfs, 0), 8430746d42b1SŁukasz Gieryk DEFINE_PROP_UINT16("sriov_vq_flexible", NvmeCtrl, 8431746d42b1SŁukasz Gieryk params.sriov_vq_flexible, 0), 8432746d42b1SŁukasz Gieryk DEFINE_PROP_UINT16("sriov_vi_flexible", NvmeCtrl, 8433746d42b1SŁukasz Gieryk params.sriov_vi_flexible, 0), 8434746d42b1SŁukasz Gieryk DEFINE_PROP_UINT8("sriov_max_vi_per_vf", NvmeCtrl, 8435746d42b1SŁukasz Gieryk params.sriov_max_vi_per_vf, 0), 8436746d42b1SŁukasz Gieryk DEFINE_PROP_UINT8("sriov_max_vq_per_vf", NvmeCtrl, 8437746d42b1SŁukasz Gieryk params.sriov_max_vq_per_vf, 0), 843888eea45cSKlaus Jensen DEFINE_PROP_END_OF_LIST(), 843988eea45cSKlaus Jensen }; 844088eea45cSKlaus Jensen 844188eea45cSKlaus Jensen static void nvme_get_smart_warning(Object *obj, Visitor *v, const char *name, 844288eea45cSKlaus Jensen void *opaque, Error **errp) 844388eea45cSKlaus Jensen { 844488eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 844588eea45cSKlaus Jensen uint8_t value = n->smart_critical_warning; 844688eea45cSKlaus Jensen 844788eea45cSKlaus Jensen visit_type_uint8(v, name, &value, errp); 844888eea45cSKlaus Jensen } 844988eea45cSKlaus Jensen 845088eea45cSKlaus Jensen static void nvme_set_smart_warning(Object *obj, Visitor *v, const char *name, 845188eea45cSKlaus Jensen void *opaque, Error **errp) 845288eea45cSKlaus Jensen { 845388eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 845488eea45cSKlaus Jensen uint8_t value, old_value, cap = 0, index, event; 845588eea45cSKlaus Jensen 845688eea45cSKlaus Jensen if (!visit_type_uint8(v, name, &value, errp)) { 845788eea45cSKlaus Jensen return; 845888eea45cSKlaus Jensen } 845988eea45cSKlaus Jensen 846088eea45cSKlaus Jensen cap = NVME_SMART_SPARE | NVME_SMART_TEMPERATURE | NVME_SMART_RELIABILITY 846188eea45cSKlaus Jensen | NVME_SMART_MEDIA_READ_ONLY | NVME_SMART_FAILED_VOLATILE_MEDIA; 846249e03457SKlaus Jensen if (NVME_CAP_PMRS(ldq_le_p(&n->bar.cap))) { 846388eea45cSKlaus Jensen cap |= NVME_SMART_PMR_UNRELIABLE; 846488eea45cSKlaus Jensen } 846588eea45cSKlaus Jensen 846688eea45cSKlaus Jensen if ((value & cap) != value) { 846788eea45cSKlaus Jensen error_setg(errp, "unsupported smart critical warning bits: 0x%x", 846888eea45cSKlaus Jensen value & ~cap); 846988eea45cSKlaus Jensen return; 847088eea45cSKlaus Jensen } 847188eea45cSKlaus Jensen 847288eea45cSKlaus Jensen old_value = n->smart_critical_warning; 847388eea45cSKlaus Jensen n->smart_critical_warning = value; 847488eea45cSKlaus Jensen 847588eea45cSKlaus Jensen /* only inject new bits of smart critical warning */ 847688eea45cSKlaus Jensen for (index = 0; index < NVME_SMART_WARN_MAX; index++) { 847788eea45cSKlaus Jensen event = 1 << index; 847888eea45cSKlaus Jensen if (value & ~old_value & event) 847988eea45cSKlaus Jensen nvme_smart_event(n, event); 848088eea45cSKlaus Jensen } 848188eea45cSKlaus Jensen } 848288eea45cSKlaus Jensen 84831e9c685eSŁukasz Gieryk static void nvme_pci_reset(DeviceState *qdev) 84841e9c685eSŁukasz Gieryk { 84851e9c685eSŁukasz Gieryk PCIDevice *pci_dev = PCI_DEVICE(qdev); 84861e9c685eSŁukasz Gieryk NvmeCtrl *n = NVME(pci_dev); 84871e9c685eSŁukasz Gieryk 84881e9c685eSŁukasz Gieryk trace_pci_nvme_pci_reset(); 84891e9c685eSŁukasz Gieryk nvme_ctrl_reset(n, NVME_RESET_FUNCTION); 84901e9c685eSŁukasz Gieryk } 84911e9c685eSŁukasz Gieryk 849211871f53SŁukasz Gieryk static void nvme_sriov_pre_write_ctrl(PCIDevice *dev, uint32_t address, 849311871f53SŁukasz Gieryk uint32_t val, int len) 849411871f53SŁukasz Gieryk { 849511871f53SŁukasz Gieryk NvmeCtrl *n = NVME(dev); 849611871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl; 849711871f53SŁukasz Gieryk uint16_t sriov_cap = dev->exp.sriov_cap; 849811871f53SŁukasz Gieryk uint32_t off = address - sriov_cap; 849911871f53SŁukasz Gieryk int i, num_vfs; 850011871f53SŁukasz Gieryk 850111871f53SŁukasz Gieryk if (!sriov_cap) { 850211871f53SŁukasz Gieryk return; 850311871f53SŁukasz Gieryk } 850411871f53SŁukasz Gieryk 850511871f53SŁukasz Gieryk if (range_covers_byte(off, len, PCI_SRIOV_CTRL)) { 850611871f53SŁukasz Gieryk if (!(val & PCI_SRIOV_CTRL_VFE)) { 850711871f53SŁukasz Gieryk num_vfs = pci_get_word(dev->config + sriov_cap + PCI_SRIOV_NUM_VF); 850811871f53SŁukasz Gieryk for (i = 0; i < num_vfs; i++) { 850911871f53SŁukasz Gieryk sctrl = &n->sec_ctrl_list.sec[i]; 851011871f53SŁukasz Gieryk nvme_virt_set_state(n, le16_to_cpu(sctrl->scid), false); 851111871f53SŁukasz Gieryk } 851211871f53SŁukasz Gieryk } 851311871f53SŁukasz Gieryk } 851411871f53SŁukasz Gieryk } 851511871f53SŁukasz Gieryk 85161e9c685eSŁukasz Gieryk static void nvme_pci_write_config(PCIDevice *dev, uint32_t address, 85171e9c685eSŁukasz Gieryk uint32_t val, int len) 85181e9c685eSŁukasz Gieryk { 851911871f53SŁukasz Gieryk nvme_sriov_pre_write_ctrl(dev, address, val, len); 85201e9c685eSŁukasz Gieryk pci_default_write_config(dev, address, val, len); 85211e9c685eSŁukasz Gieryk pcie_cap_flr_write_config(dev, address, val, len); 85221e9c685eSŁukasz Gieryk } 85231e9c685eSŁukasz Gieryk 852488eea45cSKlaus Jensen static const VMStateDescription nvme_vmstate = { 852588eea45cSKlaus Jensen .name = "nvme", 852688eea45cSKlaus Jensen .unmigratable = 1, 852788eea45cSKlaus Jensen }; 852888eea45cSKlaus Jensen 852988eea45cSKlaus Jensen static void nvme_class_init(ObjectClass *oc, void *data) 853088eea45cSKlaus Jensen { 853188eea45cSKlaus Jensen DeviceClass *dc = DEVICE_CLASS(oc); 853288eea45cSKlaus Jensen PCIDeviceClass *pc = PCI_DEVICE_CLASS(oc); 853388eea45cSKlaus Jensen 853488eea45cSKlaus Jensen pc->realize = nvme_realize; 85351e9c685eSŁukasz Gieryk pc->config_write = nvme_pci_write_config; 853688eea45cSKlaus Jensen pc->exit = nvme_exit; 853788eea45cSKlaus Jensen pc->class_id = PCI_CLASS_STORAGE_EXPRESS; 853888eea45cSKlaus Jensen pc->revision = 2; 853988eea45cSKlaus Jensen 854088eea45cSKlaus Jensen set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 854188eea45cSKlaus Jensen dc->desc = "Non-Volatile Memory Express"; 854288eea45cSKlaus Jensen device_class_set_props(dc, nvme_props); 854388eea45cSKlaus Jensen dc->vmsd = &nvme_vmstate; 85441e9c685eSŁukasz Gieryk dc->reset = nvme_pci_reset; 854588eea45cSKlaus Jensen } 854688eea45cSKlaus Jensen 854788eea45cSKlaus Jensen static void nvme_instance_init(Object *obj) 854888eea45cSKlaus Jensen { 854988eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 855088eea45cSKlaus Jensen 855188eea45cSKlaus Jensen device_add_bootindex_property(obj, &n->namespace.blkconf.bootindex, 855288eea45cSKlaus Jensen "bootindex", "/namespace@1,0", 855388eea45cSKlaus Jensen DEVICE(obj)); 855488eea45cSKlaus Jensen 855588eea45cSKlaus Jensen object_property_add(obj, "smart_critical_warning", "uint8", 855688eea45cSKlaus Jensen nvme_get_smart_warning, 855788eea45cSKlaus Jensen nvme_set_smart_warning, NULL, NULL); 855888eea45cSKlaus Jensen } 855988eea45cSKlaus Jensen 856088eea45cSKlaus Jensen static const TypeInfo nvme_info = { 856188eea45cSKlaus Jensen .name = TYPE_NVME, 856288eea45cSKlaus Jensen .parent = TYPE_PCI_DEVICE, 856388eea45cSKlaus Jensen .instance_size = sizeof(NvmeCtrl), 856488eea45cSKlaus Jensen .instance_init = nvme_instance_init, 856588eea45cSKlaus Jensen .class_init = nvme_class_init, 856688eea45cSKlaus Jensen .interfaces = (InterfaceInfo[]) { 856788eea45cSKlaus Jensen { INTERFACE_PCIE_DEVICE }, 856888eea45cSKlaus Jensen { } 856988eea45cSKlaus Jensen }, 857088eea45cSKlaus Jensen }; 857188eea45cSKlaus Jensen 857288eea45cSKlaus Jensen static const TypeInfo nvme_bus_info = { 857388eea45cSKlaus Jensen .name = TYPE_NVME_BUS, 857488eea45cSKlaus Jensen .parent = TYPE_BUS, 857588eea45cSKlaus Jensen .instance_size = sizeof(NvmeBus), 857688eea45cSKlaus Jensen }; 857788eea45cSKlaus Jensen 857888eea45cSKlaus Jensen static void nvme_register_types(void) 857988eea45cSKlaus Jensen { 858088eea45cSKlaus Jensen type_register_static(&nvme_info); 858188eea45cSKlaus Jensen type_register_static(&nvme_bus_info); 858288eea45cSKlaus Jensen } 858388eea45cSKlaus Jensen 858488eea45cSKlaus Jensen type_init(nvme_register_types) 8585