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]>, \ 4688eea45cSKlaus Jensen * subsys=<subsys_id>,detached=<true|false[optional]> 4788eea45cSKlaus Jensen * 4888eea45cSKlaus Jensen * Note cmb_size_mb denotes size of CMB in MB. CMB is assumed to be at 4988eea45cSKlaus Jensen * offset 0 in BAR2 and supports only WDS, RDS and SQS for now. By default, the 5088eea45cSKlaus Jensen * device will use the "v1.4 CMB scheme" - use the `legacy-cmb` parameter to 5188eea45cSKlaus Jensen * always enable the CMBLOC and CMBSZ registers (v1.3 behavior). 5288eea45cSKlaus Jensen * 5388eea45cSKlaus Jensen * Enabling pmr emulation can be achieved by pointing to memory-backend-file. 5488eea45cSKlaus Jensen * For example: 5588eea45cSKlaus Jensen * -object memory-backend-file,id=<mem_id>,share=on,mem-path=<file_path>, \ 5688eea45cSKlaus Jensen * size=<size> .... -device nvme,...,pmrdev=<mem_id> 5788eea45cSKlaus Jensen * 5888eea45cSKlaus Jensen * The PMR will use BAR 4/5 exclusively. 5988eea45cSKlaus Jensen * 6088eea45cSKlaus Jensen * To place controller(s) and namespace(s) to a subsystem, then provide 6188eea45cSKlaus Jensen * nvme-subsys device as above. 6288eea45cSKlaus Jensen * 6388eea45cSKlaus Jensen * nvme subsystem device parameters 6488eea45cSKlaus Jensen * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 6588eea45cSKlaus Jensen * - `nqn` 6688eea45cSKlaus Jensen * This parameter provides the `<nqn_id>` part of the string 6788eea45cSKlaus Jensen * `nqn.2019-08.org.qemu:<nqn_id>` which will be reported in the SUBNQN field 6888eea45cSKlaus Jensen * of subsystem controllers. Note that `<nqn_id>` should be unique per 6988eea45cSKlaus Jensen * subsystem, but this is not enforced by QEMU. If not specified, it will 7088eea45cSKlaus Jensen * default to the value of the `id` parameter (`<subsys_id>`). 7188eea45cSKlaus Jensen * 7288eea45cSKlaus Jensen * nvme device parameters 7388eea45cSKlaus Jensen * ~~~~~~~~~~~~~~~~~~~~~~ 7488eea45cSKlaus Jensen * - `subsys` 7588eea45cSKlaus Jensen * Specifying this parameter attaches the controller to the subsystem and 7688eea45cSKlaus Jensen * the SUBNQN field in the controller will report the NQN of the subsystem 7788eea45cSKlaus Jensen * device. This also enables multi controller capability represented in 7888eea45cSKlaus Jensen * Identify Controller data structure in CMIC (Controller Multi-path I/O and 79a0984714SDr. David Alan Gilbert * Namespace Sharing Capabilities). 8088eea45cSKlaus Jensen * 8188eea45cSKlaus Jensen * - `aerl` 8288eea45cSKlaus Jensen * The Asynchronous Event Request Limit (AERL). Indicates the maximum number 8388eea45cSKlaus Jensen * of concurrently outstanding Asynchronous Event Request commands support 8488eea45cSKlaus Jensen * by the controller. This is a 0's based value. 8588eea45cSKlaus Jensen * 8688eea45cSKlaus Jensen * - `aer_max_queued` 8788eea45cSKlaus Jensen * This is the maximum number of events that the device will enqueue for 8888eea45cSKlaus Jensen * completion when there are no outstanding AERs. When the maximum number of 8988eea45cSKlaus Jensen * enqueued events are reached, subsequent events will be dropped. 9088eea45cSKlaus Jensen * 9188eea45cSKlaus Jensen * - `mdts` 9288eea45cSKlaus Jensen * Indicates the maximum data transfer size for a command that transfers data 9388eea45cSKlaus Jensen * between host-accessible memory and the controller. The value is specified 9488eea45cSKlaus Jensen * as a power of two (2^n) and is in units of the minimum memory page size 9588eea45cSKlaus Jensen * (CAP.MPSMIN). The default value is 7 (i.e. 512 KiB). 9688eea45cSKlaus Jensen * 9788eea45cSKlaus Jensen * - `vsl` 9888eea45cSKlaus Jensen * Indicates the maximum data size limit for the Verify command. Like `mdts`, 9988eea45cSKlaus Jensen * this value is specified as a power of two (2^n) and is in units of the 10088eea45cSKlaus Jensen * minimum memory page size (CAP.MPSMIN). The default value is 7 (i.e. 512 10188eea45cSKlaus Jensen * KiB). 10288eea45cSKlaus Jensen * 10388eea45cSKlaus Jensen * - `zoned.zasl` 10488eea45cSKlaus Jensen * Indicates the maximum data transfer size for the Zone Append command. Like 10588eea45cSKlaus Jensen * `mdts`, the value is specified as a power of two (2^n) and is in units of 10688eea45cSKlaus Jensen * the minimum memory page size (CAP.MPSMIN). The default value is 0 (i.e. 10788eea45cSKlaus Jensen * defaulting to the value of `mdts`). 10888eea45cSKlaus Jensen * 109cccc2651SNiklas Cassel * - `zoned.auto_transition` 110cccc2651SNiklas Cassel * Indicates if zones in zone state implicitly opened can be automatically 111cccc2651SNiklas Cassel * transitioned to zone state closed for resource management purposes. 112cccc2651SNiklas Cassel * Defaults to 'on'. 113cccc2651SNiklas Cassel * 11444c2c094SLukasz Maniak * - `sriov_max_vfs` 11544c2c094SLukasz Maniak * Indicates the maximum number of PCIe virtual functions supported 11644c2c094SLukasz Maniak * by the controller. The default value is 0. Specifying a non-zero value 11744c2c094SLukasz Maniak * enables reporting of both SR-IOV and ARI capabilities by the NVMe device. 11844c2c094SLukasz Maniak * Virtual function controllers will not report SR-IOV capability. 11944c2c094SLukasz Maniak * 120746d42b1SŁukasz Gieryk * NOTE: Single Root I/O Virtualization support is experimental. 121746d42b1SŁukasz Gieryk * All the related parameters may be subject to change. 122746d42b1SŁukasz Gieryk * 123746d42b1SŁukasz Gieryk * - `sriov_vq_flexible` 124746d42b1SŁukasz Gieryk * Indicates the total number of flexible queue resources assignable to all 125746d42b1SŁukasz Gieryk * the secondary controllers. Implicitly sets the number of primary 126746d42b1SŁukasz Gieryk * controller's private resources to `(max_ioqpairs - sriov_vq_flexible)`. 127746d42b1SŁukasz Gieryk * 128746d42b1SŁukasz Gieryk * - `sriov_vi_flexible` 129746d42b1SŁukasz Gieryk * Indicates the total number of flexible interrupt resources assignable to 130746d42b1SŁukasz Gieryk * all the secondary controllers. Implicitly sets the number of primary 131746d42b1SŁukasz Gieryk * controller's private resources to `(msix_qsize - sriov_vi_flexible)`. 132746d42b1SŁukasz Gieryk * 133746d42b1SŁukasz Gieryk * - `sriov_max_vi_per_vf` 134746d42b1SŁukasz Gieryk * Indicates the maximum number of virtual interrupt resources assignable 135746d42b1SŁukasz Gieryk * to a secondary controller. The default 0 resolves to 136746d42b1SŁukasz Gieryk * `(sriov_vi_flexible / sriov_max_vfs)`. 137746d42b1SŁukasz Gieryk * 138746d42b1SŁukasz Gieryk * - `sriov_max_vq_per_vf` 139746d42b1SŁukasz Gieryk * Indicates the maximum number of virtual queue resources assignable to 140746d42b1SŁukasz Gieryk * a secondary controller. The default 0 resolves to 141746d42b1SŁukasz Gieryk * `(sriov_vq_flexible / sriov_max_vfs)`. 142746d42b1SŁukasz Gieryk * 14388eea45cSKlaus Jensen * nvme namespace device parameters 14488eea45cSKlaus Jensen * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 14588eea45cSKlaus Jensen * - `shared` 14688eea45cSKlaus Jensen * When the parent nvme device (as defined explicitly by the 'bus' parameter 14788eea45cSKlaus Jensen * or implicitly by the most recently defined NvmeBus) is linked to an 14888eea45cSKlaus Jensen * nvme-subsys device, the namespace will be attached to all controllers in 14988eea45cSKlaus Jensen * the subsystem. If set to 'off' (the default), the namespace will remain a 15088eea45cSKlaus Jensen * private namespace and may only be attached to a single controller at a 15188eea45cSKlaus Jensen * time. 15288eea45cSKlaus Jensen * 15388eea45cSKlaus Jensen * - `detached` 15488eea45cSKlaus Jensen * This parameter is only valid together with the `subsys` parameter. If left 15588eea45cSKlaus Jensen * at the default value (`false/off`), the namespace will be attached to all 15688eea45cSKlaus Jensen * controllers in the NVMe subsystem at boot-up. If set to `true/on`, the 157eeef4329SGollu Appalanaidu * namespace will be available in the subsystem but not attached to any 15888eea45cSKlaus Jensen * controllers. 15988eea45cSKlaus Jensen * 16088eea45cSKlaus Jensen * Setting `zoned` to true selects Zoned Command Set at the namespace. 16188eea45cSKlaus Jensen * In this case, the following namespace properties are available to configure 16288eea45cSKlaus Jensen * zoned operation: 16388eea45cSKlaus Jensen * zoned.zone_size=<zone size in bytes, default: 128MiB> 16488eea45cSKlaus Jensen * The number may be followed by K, M, G as in kilo-, mega- or giga-. 16588eea45cSKlaus Jensen * 16688eea45cSKlaus Jensen * zoned.zone_capacity=<zone capacity in bytes, default: zone size> 16788eea45cSKlaus Jensen * The value 0 (default) forces zone capacity to be the same as zone 16888eea45cSKlaus Jensen * size. The value of this property may not exceed zone size. 16988eea45cSKlaus Jensen * 17088eea45cSKlaus Jensen * zoned.descr_ext_size=<zone descriptor extension size, default 0> 17188eea45cSKlaus Jensen * This value needs to be specified in 64B units. If it is zero, 17288eea45cSKlaus Jensen * namespace(s) will not support zone descriptor extensions. 17388eea45cSKlaus Jensen * 17488eea45cSKlaus Jensen * zoned.max_active=<Maximum Active Resources (zones), default: 0> 17588eea45cSKlaus Jensen * The default value means there is no limit to the number of 17688eea45cSKlaus Jensen * concurrently active zones. 17788eea45cSKlaus Jensen * 17888eea45cSKlaus Jensen * zoned.max_open=<Maximum Open Resources (zones), default: 0> 17988eea45cSKlaus Jensen * The default value means there is no limit to the number of 18088eea45cSKlaus Jensen * concurrently open zones. 18188eea45cSKlaus Jensen * 18288eea45cSKlaus Jensen * zoned.cross_read=<enable RAZB, default: false> 18388eea45cSKlaus Jensen * Setting this property to true enables Read Across Zone Boundaries. 18488eea45cSKlaus Jensen */ 18588eea45cSKlaus Jensen 18688eea45cSKlaus Jensen #include "qemu/osdep.h" 18788eea45cSKlaus Jensen #include "qemu/cutils.h" 18888eea45cSKlaus Jensen #include "qemu/error-report.h" 18988eea45cSKlaus Jensen #include "qemu/log.h" 19088eea45cSKlaus Jensen #include "qemu/units.h" 19111871f53SŁukasz Gieryk #include "qemu/range.h" 19288eea45cSKlaus Jensen #include "qapi/error.h" 19388eea45cSKlaus Jensen #include "qapi/visitor.h" 19488eea45cSKlaus Jensen #include "sysemu/sysemu.h" 19588eea45cSKlaus Jensen #include "sysemu/block-backend.h" 19688eea45cSKlaus Jensen #include "sysemu/hostmem.h" 19788eea45cSKlaus Jensen #include "hw/pci/msix.h" 19844c2c094SLukasz Maniak #include "hw/pci/pcie_sriov.h" 19988eea45cSKlaus Jensen #include "migration/vmstate.h" 20088eea45cSKlaus Jensen 20188eea45cSKlaus Jensen #include "nvme.h" 20205f7ae45SKlaus Jensen #include "dif.h" 20388eea45cSKlaus Jensen #include "trace.h" 20488eea45cSKlaus Jensen 20588eea45cSKlaus Jensen #define NVME_MAX_IOQPAIRS 0xffff 20688eea45cSKlaus Jensen #define NVME_DB_SIZE 4 20788eea45cSKlaus Jensen #define NVME_SPEC_VER 0x00010400 20888eea45cSKlaus Jensen #define NVME_CMB_BIR 2 20988eea45cSKlaus Jensen #define NVME_PMR_BIR 4 21088eea45cSKlaus Jensen #define NVME_TEMPERATURE 0x143 21188eea45cSKlaus Jensen #define NVME_TEMPERATURE_WARNING 0x157 21288eea45cSKlaus Jensen #define NVME_TEMPERATURE_CRITICAL 0x175 21388eea45cSKlaus Jensen #define NVME_NUM_FW_SLOTS 1 21488eea45cSKlaus Jensen #define NVME_DEFAULT_MAX_ZA_SIZE (128 * KiB) 21544c2c094SLukasz Maniak #define NVME_MAX_VFS 127 216746d42b1SŁukasz Gieryk #define NVME_VF_RES_GRANULARITY 1 21744c2c094SLukasz Maniak #define NVME_VF_OFFSET 0x1 21844c2c094SLukasz Maniak #define NVME_VF_STRIDE 1 21988eea45cSKlaus Jensen 22088eea45cSKlaus Jensen #define NVME_GUEST_ERR(trace, fmt, ...) \ 22188eea45cSKlaus Jensen do { \ 22288eea45cSKlaus Jensen (trace_##trace)(__VA_ARGS__); \ 22388eea45cSKlaus Jensen qemu_log_mask(LOG_GUEST_ERROR, #trace \ 22488eea45cSKlaus Jensen " in %s: " fmt "\n", __func__, ## __VA_ARGS__); \ 22588eea45cSKlaus Jensen } while (0) 22688eea45cSKlaus Jensen 22788eea45cSKlaus Jensen static const bool nvme_feature_support[NVME_FID_MAX] = { 22888eea45cSKlaus Jensen [NVME_ARBITRATION] = true, 22988eea45cSKlaus Jensen [NVME_POWER_MANAGEMENT] = true, 23088eea45cSKlaus Jensen [NVME_TEMPERATURE_THRESHOLD] = true, 23188eea45cSKlaus Jensen [NVME_ERROR_RECOVERY] = true, 23288eea45cSKlaus Jensen [NVME_VOLATILE_WRITE_CACHE] = true, 23388eea45cSKlaus Jensen [NVME_NUMBER_OF_QUEUES] = true, 23488eea45cSKlaus Jensen [NVME_INTERRUPT_COALESCING] = true, 23588eea45cSKlaus Jensen [NVME_INTERRUPT_VECTOR_CONF] = true, 23688eea45cSKlaus Jensen [NVME_WRITE_ATOMICITY] = true, 23788eea45cSKlaus Jensen [NVME_ASYNCHRONOUS_EVENT_CONF] = true, 23888eea45cSKlaus Jensen [NVME_TIMESTAMP] = true, 239d0c0697bSNaveen Nagar [NVME_HOST_BEHAVIOR_SUPPORT] = true, 24088eea45cSKlaus Jensen [NVME_COMMAND_SET_PROFILE] = true, 24173064edfSJesper Devantier [NVME_FDP_MODE] = true, 24273064edfSJesper Devantier [NVME_FDP_EVENTS] = true, 24388eea45cSKlaus Jensen }; 24488eea45cSKlaus Jensen 24588eea45cSKlaus Jensen static const uint32_t nvme_feature_cap[NVME_FID_MAX] = { 24688eea45cSKlaus Jensen [NVME_TEMPERATURE_THRESHOLD] = NVME_FEAT_CAP_CHANGE, 24788eea45cSKlaus Jensen [NVME_ERROR_RECOVERY] = NVME_FEAT_CAP_CHANGE | NVME_FEAT_CAP_NS, 24888eea45cSKlaus Jensen [NVME_VOLATILE_WRITE_CACHE] = NVME_FEAT_CAP_CHANGE, 24988eea45cSKlaus Jensen [NVME_NUMBER_OF_QUEUES] = NVME_FEAT_CAP_CHANGE, 25088eea45cSKlaus Jensen [NVME_ASYNCHRONOUS_EVENT_CONF] = NVME_FEAT_CAP_CHANGE, 25188eea45cSKlaus Jensen [NVME_TIMESTAMP] = NVME_FEAT_CAP_CHANGE, 252d0c0697bSNaveen Nagar [NVME_HOST_BEHAVIOR_SUPPORT] = NVME_FEAT_CAP_CHANGE, 25388eea45cSKlaus Jensen [NVME_COMMAND_SET_PROFILE] = NVME_FEAT_CAP_CHANGE, 25473064edfSJesper Devantier [NVME_FDP_MODE] = NVME_FEAT_CAP_CHANGE, 25573064edfSJesper Devantier [NVME_FDP_EVENTS] = NVME_FEAT_CAP_CHANGE | NVME_FEAT_CAP_NS, 25688eea45cSKlaus Jensen }; 25788eea45cSKlaus Jensen 25888eea45cSKlaus Jensen static const uint32_t nvme_cse_acs[256] = { 25988eea45cSKlaus Jensen [NVME_ADM_CMD_DELETE_SQ] = NVME_CMD_EFF_CSUPP, 26088eea45cSKlaus Jensen [NVME_ADM_CMD_CREATE_SQ] = NVME_CMD_EFF_CSUPP, 26188eea45cSKlaus Jensen [NVME_ADM_CMD_GET_LOG_PAGE] = NVME_CMD_EFF_CSUPP, 26288eea45cSKlaus Jensen [NVME_ADM_CMD_DELETE_CQ] = NVME_CMD_EFF_CSUPP, 26388eea45cSKlaus Jensen [NVME_ADM_CMD_CREATE_CQ] = NVME_CMD_EFF_CSUPP, 26488eea45cSKlaus Jensen [NVME_ADM_CMD_IDENTIFY] = NVME_CMD_EFF_CSUPP, 26588eea45cSKlaus Jensen [NVME_ADM_CMD_ABORT] = NVME_CMD_EFF_CSUPP, 26688eea45cSKlaus Jensen [NVME_ADM_CMD_SET_FEATURES] = NVME_CMD_EFF_CSUPP, 26788eea45cSKlaus Jensen [NVME_ADM_CMD_GET_FEATURES] = NVME_CMD_EFF_CSUPP, 26888eea45cSKlaus Jensen [NVME_ADM_CMD_ASYNC_EV_REQ] = NVME_CMD_EFF_CSUPP, 26988eea45cSKlaus Jensen [NVME_ADM_CMD_NS_ATTACHMENT] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_NIC, 27011871f53SŁukasz Gieryk [NVME_ADM_CMD_VIRT_MNGMT] = NVME_CMD_EFF_CSUPP, 2713f7fe8deSJinhao Fan [NVME_ADM_CMD_DBBUF_CONFIG] = NVME_CMD_EFF_CSUPP, 27288eea45cSKlaus Jensen [NVME_ADM_CMD_FORMAT_NVM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 273e181d3daSGollu Appalanaidu [NVME_ADM_CMD_DIRECTIVE_RECV] = NVME_CMD_EFF_CSUPP, 274e181d3daSGollu Appalanaidu [NVME_ADM_CMD_DIRECTIVE_SEND] = NVME_CMD_EFF_CSUPP, 27588eea45cSKlaus Jensen }; 27688eea45cSKlaus Jensen 27788eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_none[256]; 27888eea45cSKlaus Jensen 27988eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_nvm[256] = { 28088eea45cSKlaus Jensen [NVME_CMD_FLUSH] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 28188eea45cSKlaus Jensen [NVME_CMD_WRITE_ZEROES] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 28288eea45cSKlaus Jensen [NVME_CMD_WRITE] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 28388eea45cSKlaus Jensen [NVME_CMD_READ] = NVME_CMD_EFF_CSUPP, 28488eea45cSKlaus Jensen [NVME_CMD_DSM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 28588eea45cSKlaus Jensen [NVME_CMD_VERIFY] = NVME_CMD_EFF_CSUPP, 28688eea45cSKlaus Jensen [NVME_CMD_COPY] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 28788eea45cSKlaus Jensen [NVME_CMD_COMPARE] = NVME_CMD_EFF_CSUPP, 28873064edfSJesper Devantier [NVME_CMD_IO_MGMT_RECV] = NVME_CMD_EFF_CSUPP, 28973064edfSJesper Devantier [NVME_CMD_IO_MGMT_SEND] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 29088eea45cSKlaus Jensen }; 29188eea45cSKlaus Jensen 29288eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_zoned[256] = { 29388eea45cSKlaus Jensen [NVME_CMD_FLUSH] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 29488eea45cSKlaus Jensen [NVME_CMD_WRITE_ZEROES] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 29588eea45cSKlaus Jensen [NVME_CMD_WRITE] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 29688eea45cSKlaus Jensen [NVME_CMD_READ] = NVME_CMD_EFF_CSUPP, 29788eea45cSKlaus Jensen [NVME_CMD_DSM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 29888eea45cSKlaus Jensen [NVME_CMD_VERIFY] = NVME_CMD_EFF_CSUPP, 29988eea45cSKlaus Jensen [NVME_CMD_COPY] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 30088eea45cSKlaus Jensen [NVME_CMD_COMPARE] = NVME_CMD_EFF_CSUPP, 30188eea45cSKlaus Jensen [NVME_CMD_ZONE_APPEND] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 30288eea45cSKlaus Jensen [NVME_CMD_ZONE_MGMT_SEND] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 30388eea45cSKlaus Jensen [NVME_CMD_ZONE_MGMT_RECV] = NVME_CMD_EFF_CSUPP, 30488eea45cSKlaus Jensen }; 30588eea45cSKlaus Jensen 30688eea45cSKlaus Jensen static void nvme_process_sq(void *opaque); 30711871f53SŁukasz Gieryk static void nvme_ctrl_reset(NvmeCtrl *n, NvmeResetType rst); 30873064edfSJesper Devantier static inline uint64_t nvme_get_timestamp(const NvmeCtrl *n); 30988eea45cSKlaus Jensen 31088eea45cSKlaus Jensen static uint16_t nvme_sqid(NvmeRequest *req) 31188eea45cSKlaus Jensen { 31288eea45cSKlaus Jensen return le16_to_cpu(req->sq->sqid); 31388eea45cSKlaus Jensen } 31488eea45cSKlaus Jensen 31573064edfSJesper Devantier static inline uint16_t nvme_make_pid(NvmeNamespace *ns, uint16_t rg, 31673064edfSJesper Devantier uint16_t ph) 31773064edfSJesper Devantier { 31873064edfSJesper Devantier uint16_t rgif = ns->endgrp->fdp.rgif; 31973064edfSJesper Devantier 32073064edfSJesper Devantier if (!rgif) { 32173064edfSJesper Devantier return ph; 32273064edfSJesper Devantier } 32373064edfSJesper Devantier 32473064edfSJesper Devantier return (rg << (16 - rgif)) | ph; 32573064edfSJesper Devantier } 32673064edfSJesper Devantier 32773064edfSJesper Devantier static inline bool nvme_ph_valid(NvmeNamespace *ns, uint16_t ph) 32873064edfSJesper Devantier { 32973064edfSJesper Devantier return ph < ns->fdp.nphs; 33073064edfSJesper Devantier } 33173064edfSJesper Devantier 33273064edfSJesper Devantier static inline bool nvme_rg_valid(NvmeEnduranceGroup *endgrp, uint16_t rg) 33373064edfSJesper Devantier { 33473064edfSJesper Devantier return rg < endgrp->fdp.nrg; 33573064edfSJesper Devantier } 33673064edfSJesper Devantier 33773064edfSJesper Devantier static inline uint16_t nvme_pid2ph(NvmeNamespace *ns, uint16_t pid) 33873064edfSJesper Devantier { 33973064edfSJesper Devantier uint16_t rgif = ns->endgrp->fdp.rgif; 34073064edfSJesper Devantier 34173064edfSJesper Devantier if (!rgif) { 34273064edfSJesper Devantier return pid; 34373064edfSJesper Devantier } 34473064edfSJesper Devantier 34573064edfSJesper Devantier return pid & ((1 << (15 - rgif)) - 1); 34673064edfSJesper Devantier } 34773064edfSJesper Devantier 34873064edfSJesper Devantier static inline uint16_t nvme_pid2rg(NvmeNamespace *ns, uint16_t pid) 34973064edfSJesper Devantier { 35073064edfSJesper Devantier uint16_t rgif = ns->endgrp->fdp.rgif; 35173064edfSJesper Devantier 35273064edfSJesper Devantier if (!rgif) { 35373064edfSJesper Devantier return 0; 35473064edfSJesper Devantier } 35573064edfSJesper Devantier 35673064edfSJesper Devantier return pid >> (16 - rgif); 35773064edfSJesper Devantier } 35873064edfSJesper Devantier 35973064edfSJesper Devantier static inline bool nvme_parse_pid(NvmeNamespace *ns, uint16_t pid, 36073064edfSJesper Devantier uint16_t *ph, uint16_t *rg) 36173064edfSJesper Devantier { 36273064edfSJesper Devantier *rg = nvme_pid2rg(ns, pid); 36373064edfSJesper Devantier *ph = nvme_pid2ph(ns, pid); 36473064edfSJesper Devantier 36573064edfSJesper Devantier return nvme_ph_valid(ns, *ph) && nvme_rg_valid(ns->endgrp, *rg); 36673064edfSJesper Devantier } 36773064edfSJesper Devantier 36888eea45cSKlaus Jensen static void nvme_assign_zone_state(NvmeNamespace *ns, NvmeZone *zone, 36988eea45cSKlaus Jensen NvmeZoneState state) 37088eea45cSKlaus Jensen { 37188eea45cSKlaus Jensen if (QTAILQ_IN_USE(zone, entry)) { 37288eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 37388eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 37488eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->exp_open_zones, zone, entry); 37588eea45cSKlaus Jensen break; 37688eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 37788eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->imp_open_zones, zone, entry); 37888eea45cSKlaus Jensen break; 37988eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 38088eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->closed_zones, zone, entry); 38188eea45cSKlaus Jensen break; 38288eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 38388eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->full_zones, zone, entry); 38488eea45cSKlaus Jensen default: 38588eea45cSKlaus Jensen ; 38688eea45cSKlaus Jensen } 38788eea45cSKlaus Jensen } 38888eea45cSKlaus Jensen 38988eea45cSKlaus Jensen nvme_set_zone_state(zone, state); 39088eea45cSKlaus Jensen 39188eea45cSKlaus Jensen switch (state) { 39288eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 39388eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->exp_open_zones, zone, entry); 39488eea45cSKlaus Jensen break; 39588eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 39688eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->imp_open_zones, zone, entry); 39788eea45cSKlaus Jensen break; 39888eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 39988eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->closed_zones, zone, entry); 40088eea45cSKlaus Jensen break; 40188eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 40288eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->full_zones, zone, entry); 40388eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 40488eea45cSKlaus Jensen break; 40588eea45cSKlaus Jensen default: 40688eea45cSKlaus Jensen zone->d.za = 0; 40788eea45cSKlaus Jensen } 40888eea45cSKlaus Jensen } 40988eea45cSKlaus Jensen 410e321b4cdSKlaus Jensen static uint16_t nvme_zns_check_resources(NvmeNamespace *ns, uint32_t act, 411e321b4cdSKlaus Jensen uint32_t opn, uint32_t zrwa) 41288eea45cSKlaus Jensen { 41388eea45cSKlaus Jensen if (ns->params.max_active_zones != 0 && 41488eea45cSKlaus Jensen ns->nr_active_zones + act > ns->params.max_active_zones) { 41588eea45cSKlaus Jensen trace_pci_nvme_err_insuff_active_res(ns->params.max_active_zones); 41688eea45cSKlaus Jensen return NVME_ZONE_TOO_MANY_ACTIVE | NVME_DNR; 41788eea45cSKlaus Jensen } 418e321b4cdSKlaus Jensen 41988eea45cSKlaus Jensen if (ns->params.max_open_zones != 0 && 42088eea45cSKlaus Jensen ns->nr_open_zones + opn > ns->params.max_open_zones) { 42188eea45cSKlaus Jensen trace_pci_nvme_err_insuff_open_res(ns->params.max_open_zones); 42288eea45cSKlaus Jensen return NVME_ZONE_TOO_MANY_OPEN | NVME_DNR; 42388eea45cSKlaus Jensen } 42488eea45cSKlaus Jensen 425e321b4cdSKlaus Jensen if (zrwa > ns->zns.numzrwa) { 426e321b4cdSKlaus Jensen return NVME_NOZRWA | NVME_DNR; 427e321b4cdSKlaus Jensen } 428e321b4cdSKlaus Jensen 42988eea45cSKlaus Jensen return NVME_SUCCESS; 43088eea45cSKlaus Jensen } 43188eea45cSKlaus Jensen 432e321b4cdSKlaus Jensen /* 433e321b4cdSKlaus Jensen * Check if we can open a zone without exceeding open/active limits. 434e321b4cdSKlaus Jensen * AOR stands for "Active and Open Resources" (see TP 4053 section 2.5). 435e321b4cdSKlaus Jensen */ 436e321b4cdSKlaus Jensen static uint16_t nvme_aor_check(NvmeNamespace *ns, uint32_t act, uint32_t opn) 437e321b4cdSKlaus Jensen { 438e321b4cdSKlaus Jensen return nvme_zns_check_resources(ns, act, opn, 0); 439e321b4cdSKlaus Jensen } 440e321b4cdSKlaus Jensen 44173064edfSJesper Devantier static NvmeFdpEvent *nvme_fdp_alloc_event(NvmeCtrl *n, NvmeFdpEventBuffer *ebuf) 44273064edfSJesper Devantier { 44373064edfSJesper Devantier NvmeFdpEvent *ret = NULL; 44473064edfSJesper Devantier bool is_full = ebuf->next == ebuf->start && ebuf->nelems; 44573064edfSJesper Devantier 44673064edfSJesper Devantier ret = &ebuf->events[ebuf->next++]; 44773064edfSJesper Devantier if (unlikely(ebuf->next == NVME_FDP_MAX_EVENTS)) { 44873064edfSJesper Devantier ebuf->next = 0; 44973064edfSJesper Devantier } 45073064edfSJesper Devantier if (is_full) { 45173064edfSJesper Devantier ebuf->start = ebuf->next; 45273064edfSJesper Devantier } else { 45373064edfSJesper Devantier ebuf->nelems++; 45473064edfSJesper Devantier } 45573064edfSJesper Devantier 45673064edfSJesper Devantier memset(ret, 0, sizeof(NvmeFdpEvent)); 45773064edfSJesper Devantier ret->timestamp = nvme_get_timestamp(n); 45873064edfSJesper Devantier 45973064edfSJesper Devantier return ret; 46073064edfSJesper Devantier } 46173064edfSJesper Devantier 46273064edfSJesper Devantier static inline int log_event(NvmeRuHandle *ruh, uint8_t event_type) 46373064edfSJesper Devantier { 46473064edfSJesper Devantier return (ruh->event_filter >> nvme_fdp_evf_shifts[event_type]) & 0x1; 46573064edfSJesper Devantier } 46673064edfSJesper Devantier 46773064edfSJesper Devantier static bool nvme_update_ruh(NvmeCtrl *n, NvmeNamespace *ns, uint16_t pid) 46873064edfSJesper Devantier { 46973064edfSJesper Devantier NvmeEnduranceGroup *endgrp = ns->endgrp; 47073064edfSJesper Devantier NvmeRuHandle *ruh; 47173064edfSJesper Devantier NvmeReclaimUnit *ru; 47273064edfSJesper Devantier NvmeFdpEvent *e = NULL; 47373064edfSJesper Devantier uint16_t ph, rg, ruhid; 47473064edfSJesper Devantier 47573064edfSJesper Devantier if (!nvme_parse_pid(ns, pid, &ph, &rg)) { 47673064edfSJesper Devantier return false; 47773064edfSJesper Devantier } 47873064edfSJesper Devantier 47973064edfSJesper Devantier ruhid = ns->fdp.phs[ph]; 48073064edfSJesper Devantier 48173064edfSJesper Devantier ruh = &endgrp->fdp.ruhs[ruhid]; 48273064edfSJesper Devantier ru = &ruh->rus[rg]; 48373064edfSJesper Devantier 48473064edfSJesper Devantier if (ru->ruamw) { 48573064edfSJesper Devantier if (log_event(ruh, FDP_EVT_RU_NOT_FULLY_WRITTEN)) { 48673064edfSJesper Devantier e = nvme_fdp_alloc_event(n, &endgrp->fdp.host_events); 48773064edfSJesper Devantier e->type = FDP_EVT_RU_NOT_FULLY_WRITTEN; 48873064edfSJesper Devantier e->flags = FDPEF_PIV | FDPEF_NSIDV | FDPEF_LV; 48973064edfSJesper Devantier e->pid = cpu_to_le16(pid); 49073064edfSJesper Devantier e->nsid = cpu_to_le32(ns->params.nsid); 49173064edfSJesper Devantier e->rgid = cpu_to_le16(rg); 49273064edfSJesper Devantier e->ruhid = cpu_to_le16(ruhid); 49373064edfSJesper Devantier } 49473064edfSJesper Devantier 49573064edfSJesper Devantier /* log (eventual) GC overhead of prematurely swapping the RU */ 49673064edfSJesper Devantier nvme_fdp_stat_inc(&endgrp->fdp.mbmw, nvme_l2b(ns, ru->ruamw)); 49773064edfSJesper Devantier } 49873064edfSJesper Devantier 49973064edfSJesper Devantier ru->ruamw = ruh->ruamw; 50073064edfSJesper Devantier 50173064edfSJesper Devantier return true; 50273064edfSJesper Devantier } 50373064edfSJesper Devantier 50488eea45cSKlaus Jensen static bool nvme_addr_is_cmb(NvmeCtrl *n, hwaddr addr) 50588eea45cSKlaus Jensen { 50688eea45cSKlaus Jensen hwaddr hi, lo; 50788eea45cSKlaus Jensen 50888eea45cSKlaus Jensen if (!n->cmb.cmse) { 50988eea45cSKlaus Jensen return false; 51088eea45cSKlaus Jensen } 51188eea45cSKlaus Jensen 51288eea45cSKlaus Jensen lo = n->params.legacy_cmb ? n->cmb.mem.addr : n->cmb.cba; 51388eea45cSKlaus Jensen hi = lo + int128_get64(n->cmb.mem.size); 51488eea45cSKlaus Jensen 51588eea45cSKlaus Jensen return addr >= lo && addr < hi; 51688eea45cSKlaus Jensen } 51788eea45cSKlaus Jensen 51888eea45cSKlaus Jensen static inline void *nvme_addr_to_cmb(NvmeCtrl *n, hwaddr addr) 51988eea45cSKlaus Jensen { 52088eea45cSKlaus Jensen hwaddr base = n->params.legacy_cmb ? n->cmb.mem.addr : n->cmb.cba; 52188eea45cSKlaus Jensen return &n->cmb.buf[addr - base]; 52288eea45cSKlaus Jensen } 52388eea45cSKlaus Jensen 52488eea45cSKlaus Jensen static bool nvme_addr_is_pmr(NvmeCtrl *n, hwaddr addr) 52588eea45cSKlaus Jensen { 52688eea45cSKlaus Jensen hwaddr hi; 52788eea45cSKlaus Jensen 52888eea45cSKlaus Jensen if (!n->pmr.cmse) { 52988eea45cSKlaus Jensen return false; 53088eea45cSKlaus Jensen } 53188eea45cSKlaus Jensen 53288eea45cSKlaus Jensen hi = n->pmr.cba + int128_get64(n->pmr.dev->mr.size); 53388eea45cSKlaus Jensen 53488eea45cSKlaus Jensen return addr >= n->pmr.cba && addr < hi; 53588eea45cSKlaus Jensen } 53688eea45cSKlaus Jensen 53788eea45cSKlaus Jensen static inline void *nvme_addr_to_pmr(NvmeCtrl *n, hwaddr addr) 53888eea45cSKlaus Jensen { 53988eea45cSKlaus Jensen return memory_region_get_ram_ptr(&n->pmr.dev->mr) + (addr - n->pmr.cba); 54088eea45cSKlaus Jensen } 54188eea45cSKlaus Jensen 542736b0164SKlaus Jensen static inline bool nvme_addr_is_iomem(NvmeCtrl *n, hwaddr addr) 543736b0164SKlaus Jensen { 544736b0164SKlaus Jensen hwaddr hi, lo; 545736b0164SKlaus Jensen 546736b0164SKlaus Jensen /* 547736b0164SKlaus Jensen * The purpose of this check is to guard against invalid "local" access to 548736b0164SKlaus Jensen * the iomem (i.e. controller registers). Thus, we check against the range 549736b0164SKlaus Jensen * covered by the 'bar0' MemoryRegion since that is currently composed of 550736b0164SKlaus Jensen * two subregions (the NVMe "MBAR" and the MSI-X table/pba). Note, however, 551736b0164SKlaus Jensen * that if the device model is ever changed to allow the CMB to be located 552736b0164SKlaus Jensen * in BAR0 as well, then this must be changed. 553736b0164SKlaus Jensen */ 554736b0164SKlaus Jensen lo = n->bar0.addr; 555736b0164SKlaus Jensen hi = lo + int128_get64(n->bar0.size); 556736b0164SKlaus Jensen 557736b0164SKlaus Jensen return addr >= lo && addr < hi; 558736b0164SKlaus Jensen } 559736b0164SKlaus Jensen 56088eea45cSKlaus Jensen static int nvme_addr_read(NvmeCtrl *n, hwaddr addr, void *buf, int size) 56188eea45cSKlaus Jensen { 56288eea45cSKlaus Jensen hwaddr hi = addr + size - 1; 56388eea45cSKlaus Jensen if (hi < addr) { 56488eea45cSKlaus Jensen return 1; 56588eea45cSKlaus Jensen } 56688eea45cSKlaus Jensen 56788eea45cSKlaus Jensen if (n->bar.cmbsz && nvme_addr_is_cmb(n, addr) && nvme_addr_is_cmb(n, hi)) { 56888eea45cSKlaus Jensen memcpy(buf, nvme_addr_to_cmb(n, addr), size); 56988eea45cSKlaus Jensen return 0; 57088eea45cSKlaus Jensen } 57188eea45cSKlaus Jensen 57288eea45cSKlaus Jensen if (nvme_addr_is_pmr(n, addr) && nvme_addr_is_pmr(n, hi)) { 57388eea45cSKlaus Jensen memcpy(buf, nvme_addr_to_pmr(n, addr), size); 57488eea45cSKlaus Jensen return 0; 57588eea45cSKlaus Jensen } 57688eea45cSKlaus Jensen 57748b32c28SKlaus Jensen return pci_dma_read(PCI_DEVICE(n), addr, buf, size); 57888eea45cSKlaus Jensen } 57988eea45cSKlaus Jensen 580e080ce86SPhilippe Mathieu-Daudé static int nvme_addr_write(NvmeCtrl *n, hwaddr addr, const void *buf, int size) 58188eea45cSKlaus Jensen { 58288eea45cSKlaus Jensen hwaddr hi = addr + size - 1; 58388eea45cSKlaus Jensen if (hi < addr) { 58488eea45cSKlaus Jensen return 1; 58588eea45cSKlaus Jensen } 58688eea45cSKlaus Jensen 58788eea45cSKlaus Jensen if (n->bar.cmbsz && nvme_addr_is_cmb(n, addr) && nvme_addr_is_cmb(n, hi)) { 58888eea45cSKlaus Jensen memcpy(nvme_addr_to_cmb(n, addr), buf, size); 58988eea45cSKlaus Jensen return 0; 59088eea45cSKlaus Jensen } 59188eea45cSKlaus Jensen 59288eea45cSKlaus Jensen if (nvme_addr_is_pmr(n, addr) && nvme_addr_is_pmr(n, hi)) { 59388eea45cSKlaus Jensen memcpy(nvme_addr_to_pmr(n, addr), buf, size); 59488eea45cSKlaus Jensen return 0; 59588eea45cSKlaus Jensen } 59688eea45cSKlaus Jensen 59748b32c28SKlaus Jensen return pci_dma_write(PCI_DEVICE(n), addr, buf, size); 59888eea45cSKlaus Jensen } 59988eea45cSKlaus Jensen 60088eea45cSKlaus Jensen static bool nvme_nsid_valid(NvmeCtrl *n, uint32_t nsid) 60188eea45cSKlaus Jensen { 60288eea45cSKlaus Jensen return nsid && 60388eea45cSKlaus Jensen (nsid == NVME_NSID_BROADCAST || nsid <= NVME_MAX_NAMESPACES); 60488eea45cSKlaus Jensen } 60588eea45cSKlaus Jensen 60688eea45cSKlaus Jensen static int nvme_check_sqid(NvmeCtrl *n, uint16_t sqid) 60788eea45cSKlaus Jensen { 608decc0261SŁukasz Gieryk return sqid < n->conf_ioqpairs + 1 && n->sq[sqid] != NULL ? 0 : -1; 60988eea45cSKlaus Jensen } 61088eea45cSKlaus Jensen 61188eea45cSKlaus Jensen static int nvme_check_cqid(NvmeCtrl *n, uint16_t cqid) 61288eea45cSKlaus Jensen { 613decc0261SŁukasz Gieryk return cqid < n->conf_ioqpairs + 1 && n->cq[cqid] != NULL ? 0 : -1; 61488eea45cSKlaus Jensen } 61588eea45cSKlaus Jensen 61688eea45cSKlaus Jensen static void nvme_inc_cq_tail(NvmeCQueue *cq) 61788eea45cSKlaus Jensen { 61888eea45cSKlaus Jensen cq->tail++; 61988eea45cSKlaus Jensen if (cq->tail >= cq->size) { 62088eea45cSKlaus Jensen cq->tail = 0; 62188eea45cSKlaus Jensen cq->phase = !cq->phase; 62288eea45cSKlaus Jensen } 62388eea45cSKlaus Jensen } 62488eea45cSKlaus Jensen 62588eea45cSKlaus Jensen static void nvme_inc_sq_head(NvmeSQueue *sq) 62688eea45cSKlaus Jensen { 62788eea45cSKlaus Jensen sq->head = (sq->head + 1) % sq->size; 62888eea45cSKlaus Jensen } 62988eea45cSKlaus Jensen 63088eea45cSKlaus Jensen static uint8_t nvme_cq_full(NvmeCQueue *cq) 63188eea45cSKlaus Jensen { 63288eea45cSKlaus Jensen return (cq->tail + 1) % cq->size == cq->head; 63388eea45cSKlaus Jensen } 63488eea45cSKlaus Jensen 63588eea45cSKlaus Jensen static uint8_t nvme_sq_empty(NvmeSQueue *sq) 63688eea45cSKlaus Jensen { 63788eea45cSKlaus Jensen return sq->head == sq->tail; 63888eea45cSKlaus Jensen } 63988eea45cSKlaus Jensen 64088eea45cSKlaus Jensen static void nvme_irq_check(NvmeCtrl *n) 64188eea45cSKlaus Jensen { 64248b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 64349e03457SKlaus Jensen uint32_t intms = ldl_le_p(&n->bar.intms); 64449e03457SKlaus Jensen 64548b32c28SKlaus Jensen if (msix_enabled(pci)) { 64688eea45cSKlaus Jensen return; 64788eea45cSKlaus Jensen } 64849e03457SKlaus Jensen if (~intms & n->irq_status) { 64948b32c28SKlaus Jensen pci_irq_assert(pci); 65088eea45cSKlaus Jensen } else { 65148b32c28SKlaus Jensen pci_irq_deassert(pci); 65288eea45cSKlaus Jensen } 65388eea45cSKlaus Jensen } 65488eea45cSKlaus Jensen 65588eea45cSKlaus Jensen static void nvme_irq_assert(NvmeCtrl *n, NvmeCQueue *cq) 65688eea45cSKlaus Jensen { 65748b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 65848b32c28SKlaus Jensen 65988eea45cSKlaus Jensen if (cq->irq_enabled) { 66048b32c28SKlaus Jensen if (msix_enabled(pci)) { 66188eea45cSKlaus Jensen trace_pci_nvme_irq_msix(cq->vector); 66248b32c28SKlaus Jensen msix_notify(pci, cq->vector); 66388eea45cSKlaus Jensen } else { 66488eea45cSKlaus Jensen trace_pci_nvme_irq_pin(); 66588eea45cSKlaus Jensen assert(cq->vector < 32); 66688eea45cSKlaus Jensen n->irq_status |= 1 << cq->vector; 66788eea45cSKlaus Jensen nvme_irq_check(n); 66888eea45cSKlaus Jensen } 66988eea45cSKlaus Jensen } else { 67088eea45cSKlaus Jensen trace_pci_nvme_irq_masked(); 67188eea45cSKlaus Jensen } 67288eea45cSKlaus Jensen } 67388eea45cSKlaus Jensen 67488eea45cSKlaus Jensen static void nvme_irq_deassert(NvmeCtrl *n, NvmeCQueue *cq) 67588eea45cSKlaus Jensen { 67688eea45cSKlaus Jensen if (cq->irq_enabled) { 67748b32c28SKlaus Jensen if (msix_enabled(PCI_DEVICE(n))) { 67888eea45cSKlaus Jensen return; 67988eea45cSKlaus Jensen } else { 68088eea45cSKlaus Jensen assert(cq->vector < 32); 68183d7ed5cSKlaus Jensen if (!n->cq_pending) { 68288eea45cSKlaus Jensen n->irq_status &= ~(1 << cq->vector); 68383d7ed5cSKlaus Jensen } 68488eea45cSKlaus Jensen nvme_irq_check(n); 68588eea45cSKlaus Jensen } 68688eea45cSKlaus Jensen } 68788eea45cSKlaus Jensen } 68888eea45cSKlaus Jensen 68988eea45cSKlaus Jensen static void nvme_req_clear(NvmeRequest *req) 69088eea45cSKlaus Jensen { 69188eea45cSKlaus Jensen req->ns = NULL; 69288eea45cSKlaus Jensen req->opaque = NULL; 69388eea45cSKlaus Jensen req->aiocb = NULL; 69488eea45cSKlaus Jensen memset(&req->cqe, 0x0, sizeof(req->cqe)); 69588eea45cSKlaus Jensen req->status = NVME_SUCCESS; 69688eea45cSKlaus Jensen } 69788eea45cSKlaus Jensen 69888eea45cSKlaus Jensen static inline void nvme_sg_init(NvmeCtrl *n, NvmeSg *sg, bool dma) 69988eea45cSKlaus Jensen { 70088eea45cSKlaus Jensen if (dma) { 70148b32c28SKlaus Jensen pci_dma_sglist_init(&sg->qsg, PCI_DEVICE(n), 0); 70288eea45cSKlaus Jensen sg->flags = NVME_SG_DMA; 70388eea45cSKlaus Jensen } else { 70488eea45cSKlaus Jensen qemu_iovec_init(&sg->iov, 0); 70588eea45cSKlaus Jensen } 70688eea45cSKlaus Jensen 70788eea45cSKlaus Jensen sg->flags |= NVME_SG_ALLOC; 70888eea45cSKlaus Jensen } 70988eea45cSKlaus Jensen 71088eea45cSKlaus Jensen static inline void nvme_sg_unmap(NvmeSg *sg) 71188eea45cSKlaus Jensen { 71288eea45cSKlaus Jensen if (!(sg->flags & NVME_SG_ALLOC)) { 71388eea45cSKlaus Jensen return; 71488eea45cSKlaus Jensen } 71588eea45cSKlaus Jensen 71688eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 71788eea45cSKlaus Jensen qemu_sglist_destroy(&sg->qsg); 71888eea45cSKlaus Jensen } else { 71988eea45cSKlaus Jensen qemu_iovec_destroy(&sg->iov); 72088eea45cSKlaus Jensen } 72188eea45cSKlaus Jensen 72288eea45cSKlaus Jensen memset(sg, 0x0, sizeof(*sg)); 72388eea45cSKlaus Jensen } 72488eea45cSKlaus Jensen 72588eea45cSKlaus Jensen /* 72688eea45cSKlaus Jensen * When metadata is transfered as extended LBAs, the DPTR mapped into `sg` 72788eea45cSKlaus Jensen * holds both data and metadata. This function splits the data and metadata 72888eea45cSKlaus Jensen * into two separate QSG/IOVs. 72988eea45cSKlaus Jensen */ 73088eea45cSKlaus Jensen static void nvme_sg_split(NvmeSg *sg, NvmeNamespace *ns, NvmeSg *data, 73188eea45cSKlaus Jensen NvmeSg *mdata) 73288eea45cSKlaus Jensen { 73388eea45cSKlaus Jensen NvmeSg *dst = data; 73488eea45cSKlaus Jensen uint32_t trans_len, count = ns->lbasz; 73588eea45cSKlaus Jensen uint64_t offset = 0; 73688eea45cSKlaus Jensen bool dma = sg->flags & NVME_SG_DMA; 73788eea45cSKlaus Jensen size_t sge_len; 73888eea45cSKlaus Jensen size_t sg_len = dma ? sg->qsg.size : sg->iov.size; 73988eea45cSKlaus Jensen int sg_idx = 0; 74088eea45cSKlaus Jensen 74188eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 74288eea45cSKlaus Jensen 74388eea45cSKlaus Jensen while (sg_len) { 74488eea45cSKlaus Jensen sge_len = dma ? sg->qsg.sg[sg_idx].len : sg->iov.iov[sg_idx].iov_len; 74588eea45cSKlaus Jensen 74688eea45cSKlaus Jensen trans_len = MIN(sg_len, count); 74788eea45cSKlaus Jensen trans_len = MIN(trans_len, sge_len - offset); 74888eea45cSKlaus Jensen 74988eea45cSKlaus Jensen if (dst) { 75088eea45cSKlaus Jensen if (dma) { 75188eea45cSKlaus Jensen qemu_sglist_add(&dst->qsg, sg->qsg.sg[sg_idx].base + offset, 75288eea45cSKlaus Jensen trans_len); 75388eea45cSKlaus Jensen } else { 75488eea45cSKlaus Jensen qemu_iovec_add(&dst->iov, 75588eea45cSKlaus Jensen sg->iov.iov[sg_idx].iov_base + offset, 75688eea45cSKlaus Jensen trans_len); 75788eea45cSKlaus Jensen } 75888eea45cSKlaus Jensen } 75988eea45cSKlaus Jensen 76088eea45cSKlaus Jensen sg_len -= trans_len; 76188eea45cSKlaus Jensen count -= trans_len; 76288eea45cSKlaus Jensen offset += trans_len; 76388eea45cSKlaus Jensen 76488eea45cSKlaus Jensen if (count == 0) { 76588eea45cSKlaus Jensen dst = (dst == data) ? mdata : data; 76688eea45cSKlaus Jensen count = (dst == data) ? ns->lbasz : ns->lbaf.ms; 76788eea45cSKlaus Jensen } 76888eea45cSKlaus Jensen 76988eea45cSKlaus Jensen if (sge_len == offset) { 77088eea45cSKlaus Jensen offset = 0; 77188eea45cSKlaus Jensen sg_idx++; 77288eea45cSKlaus Jensen } 77388eea45cSKlaus Jensen } 77488eea45cSKlaus Jensen } 77588eea45cSKlaus Jensen 77688eea45cSKlaus Jensen static uint16_t nvme_map_addr_cmb(NvmeCtrl *n, QEMUIOVector *iov, hwaddr addr, 77788eea45cSKlaus Jensen size_t len) 77888eea45cSKlaus Jensen { 77988eea45cSKlaus Jensen if (!len) { 78088eea45cSKlaus Jensen return NVME_SUCCESS; 78188eea45cSKlaus Jensen } 78288eea45cSKlaus Jensen 78388eea45cSKlaus Jensen trace_pci_nvme_map_addr_cmb(addr, len); 78488eea45cSKlaus Jensen 78588eea45cSKlaus Jensen if (!nvme_addr_is_cmb(n, addr) || !nvme_addr_is_cmb(n, addr + len - 1)) { 78688eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 78788eea45cSKlaus Jensen } 78888eea45cSKlaus Jensen 78988eea45cSKlaus Jensen qemu_iovec_add(iov, nvme_addr_to_cmb(n, addr), len); 79088eea45cSKlaus Jensen 79188eea45cSKlaus Jensen return NVME_SUCCESS; 79288eea45cSKlaus Jensen } 79388eea45cSKlaus Jensen 79488eea45cSKlaus Jensen static uint16_t nvme_map_addr_pmr(NvmeCtrl *n, QEMUIOVector *iov, hwaddr addr, 79588eea45cSKlaus Jensen size_t len) 79688eea45cSKlaus Jensen { 79788eea45cSKlaus Jensen if (!len) { 79888eea45cSKlaus Jensen return NVME_SUCCESS; 79988eea45cSKlaus Jensen } 80088eea45cSKlaus Jensen 80188eea45cSKlaus Jensen if (!nvme_addr_is_pmr(n, addr) || !nvme_addr_is_pmr(n, addr + len - 1)) { 80288eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 80388eea45cSKlaus Jensen } 80488eea45cSKlaus Jensen 80588eea45cSKlaus Jensen qemu_iovec_add(iov, nvme_addr_to_pmr(n, addr), len); 80688eea45cSKlaus Jensen 80788eea45cSKlaus Jensen return NVME_SUCCESS; 80888eea45cSKlaus Jensen } 80988eea45cSKlaus Jensen 81088eea45cSKlaus Jensen static uint16_t nvme_map_addr(NvmeCtrl *n, NvmeSg *sg, hwaddr addr, size_t len) 81188eea45cSKlaus Jensen { 81288eea45cSKlaus Jensen bool cmb = false, pmr = false; 81388eea45cSKlaus Jensen 81488eea45cSKlaus Jensen if (!len) { 81588eea45cSKlaus Jensen return NVME_SUCCESS; 81688eea45cSKlaus Jensen } 81788eea45cSKlaus Jensen 81888eea45cSKlaus Jensen trace_pci_nvme_map_addr(addr, len); 81988eea45cSKlaus Jensen 820736b0164SKlaus Jensen if (nvme_addr_is_iomem(n, addr)) { 821736b0164SKlaus Jensen return NVME_DATA_TRAS_ERROR; 822736b0164SKlaus Jensen } 823736b0164SKlaus Jensen 82488eea45cSKlaus Jensen if (nvme_addr_is_cmb(n, addr)) { 82588eea45cSKlaus Jensen cmb = true; 82688eea45cSKlaus Jensen } else if (nvme_addr_is_pmr(n, addr)) { 82788eea45cSKlaus Jensen pmr = true; 82888eea45cSKlaus Jensen } 82988eea45cSKlaus Jensen 83088eea45cSKlaus Jensen if (cmb || pmr) { 83188eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 83288eea45cSKlaus Jensen return NVME_INVALID_USE_OF_CMB | NVME_DNR; 83388eea45cSKlaus Jensen } 83488eea45cSKlaus Jensen 83523421473SPadmakar Kalghatgi if (sg->iov.niov + 1 > IOV_MAX) { 83623421473SPadmakar Kalghatgi goto max_mappings_exceeded; 83723421473SPadmakar Kalghatgi } 83823421473SPadmakar Kalghatgi 83988eea45cSKlaus Jensen if (cmb) { 84088eea45cSKlaus Jensen return nvme_map_addr_cmb(n, &sg->iov, addr, len); 84188eea45cSKlaus Jensen } else { 84288eea45cSKlaus Jensen return nvme_map_addr_pmr(n, &sg->iov, addr, len); 84388eea45cSKlaus Jensen } 84488eea45cSKlaus Jensen } 84588eea45cSKlaus Jensen 84688eea45cSKlaus Jensen if (!(sg->flags & NVME_SG_DMA)) { 84788eea45cSKlaus Jensen return NVME_INVALID_USE_OF_CMB | NVME_DNR; 84888eea45cSKlaus Jensen } 84988eea45cSKlaus Jensen 85023421473SPadmakar Kalghatgi if (sg->qsg.nsg + 1 > IOV_MAX) { 85123421473SPadmakar Kalghatgi goto max_mappings_exceeded; 85223421473SPadmakar Kalghatgi } 85323421473SPadmakar Kalghatgi 85488eea45cSKlaus Jensen qemu_sglist_add(&sg->qsg, addr, len); 85588eea45cSKlaus Jensen 85688eea45cSKlaus Jensen return NVME_SUCCESS; 85723421473SPadmakar Kalghatgi 85823421473SPadmakar Kalghatgi max_mappings_exceeded: 85923421473SPadmakar Kalghatgi NVME_GUEST_ERR(pci_nvme_ub_too_many_mappings, 86023421473SPadmakar Kalghatgi "number of mappings exceed 1024"); 86123421473SPadmakar Kalghatgi return NVME_INTERNAL_DEV_ERROR | NVME_DNR; 86288eea45cSKlaus Jensen } 86388eea45cSKlaus Jensen 86488eea45cSKlaus Jensen static inline bool nvme_addr_is_dma(NvmeCtrl *n, hwaddr addr) 86588eea45cSKlaus Jensen { 86688eea45cSKlaus Jensen return !(nvme_addr_is_cmb(n, addr) || nvme_addr_is_pmr(n, addr)); 86788eea45cSKlaus Jensen } 86888eea45cSKlaus Jensen 86988eea45cSKlaus Jensen static uint16_t nvme_map_prp(NvmeCtrl *n, NvmeSg *sg, uint64_t prp1, 87088eea45cSKlaus Jensen uint64_t prp2, uint32_t len) 87188eea45cSKlaus Jensen { 87288eea45cSKlaus Jensen hwaddr trans_len = n->page_size - (prp1 % n->page_size); 87388eea45cSKlaus Jensen trans_len = MIN(len, trans_len); 87488eea45cSKlaus Jensen int num_prps = (len >> n->page_bits) + 1; 87588eea45cSKlaus Jensen uint16_t status; 87688eea45cSKlaus Jensen int ret; 87788eea45cSKlaus Jensen 87888eea45cSKlaus Jensen trace_pci_nvme_map_prp(trans_len, len, prp1, prp2, num_prps); 87988eea45cSKlaus Jensen 88088eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, prp1)); 88188eea45cSKlaus Jensen 88288eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp1, trans_len); 88388eea45cSKlaus Jensen if (status) { 88488eea45cSKlaus Jensen goto unmap; 88588eea45cSKlaus Jensen } 88688eea45cSKlaus Jensen 88788eea45cSKlaus Jensen len -= trans_len; 88888eea45cSKlaus Jensen if (len) { 88988eea45cSKlaus Jensen if (len > n->page_size) { 89088eea45cSKlaus Jensen uint64_t prp_list[n->max_prp_ents]; 89188eea45cSKlaus Jensen uint32_t nents, prp_trans; 89288eea45cSKlaus Jensen int i = 0; 89388eea45cSKlaus Jensen 89488eea45cSKlaus Jensen /* 89588eea45cSKlaus Jensen * The first PRP list entry, pointed to by PRP2 may contain offset. 89688eea45cSKlaus Jensen * Hence, we need to calculate the number of entries in based on 89788eea45cSKlaus Jensen * that offset. 89888eea45cSKlaus Jensen */ 89988eea45cSKlaus Jensen nents = (n->page_size - (prp2 & (n->page_size - 1))) >> 3; 90088eea45cSKlaus Jensen prp_trans = MIN(n->max_prp_ents, nents) * sizeof(uint64_t); 90188eea45cSKlaus Jensen ret = nvme_addr_read(n, prp2, (void *)prp_list, prp_trans); 90288eea45cSKlaus Jensen if (ret) { 90388eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(prp2); 90488eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 90588eea45cSKlaus Jensen goto unmap; 90688eea45cSKlaus Jensen } 90788eea45cSKlaus Jensen while (len != 0) { 90888eea45cSKlaus Jensen uint64_t prp_ent = le64_to_cpu(prp_list[i]); 90988eea45cSKlaus Jensen 91088eea45cSKlaus Jensen if (i == nents - 1 && len > n->page_size) { 91188eea45cSKlaus Jensen if (unlikely(prp_ent & (n->page_size - 1))) { 91288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prplist_ent(prp_ent); 91388eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 91488eea45cSKlaus Jensen goto unmap; 91588eea45cSKlaus Jensen } 91688eea45cSKlaus Jensen 91788eea45cSKlaus Jensen i = 0; 91888eea45cSKlaus Jensen nents = (len + n->page_size - 1) >> n->page_bits; 91988eea45cSKlaus Jensen nents = MIN(nents, n->max_prp_ents); 92088eea45cSKlaus Jensen prp_trans = nents * sizeof(uint64_t); 92188eea45cSKlaus Jensen ret = nvme_addr_read(n, prp_ent, (void *)prp_list, 92288eea45cSKlaus Jensen prp_trans); 92388eea45cSKlaus Jensen if (ret) { 92488eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(prp_ent); 92588eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 92688eea45cSKlaus Jensen goto unmap; 92788eea45cSKlaus Jensen } 92888eea45cSKlaus Jensen prp_ent = le64_to_cpu(prp_list[i]); 92988eea45cSKlaus Jensen } 93088eea45cSKlaus Jensen 93188eea45cSKlaus Jensen if (unlikely(prp_ent & (n->page_size - 1))) { 93288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prplist_ent(prp_ent); 93388eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 93488eea45cSKlaus Jensen goto unmap; 93588eea45cSKlaus Jensen } 93688eea45cSKlaus Jensen 93788eea45cSKlaus Jensen trans_len = MIN(len, n->page_size); 93888eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp_ent, trans_len); 93988eea45cSKlaus Jensen if (status) { 94088eea45cSKlaus Jensen goto unmap; 94188eea45cSKlaus Jensen } 94288eea45cSKlaus Jensen 94388eea45cSKlaus Jensen len -= trans_len; 94488eea45cSKlaus Jensen i++; 94588eea45cSKlaus Jensen } 94688eea45cSKlaus Jensen } else { 94788eea45cSKlaus Jensen if (unlikely(prp2 & (n->page_size - 1))) { 94888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prp2_align(prp2); 94988eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 95088eea45cSKlaus Jensen goto unmap; 95188eea45cSKlaus Jensen } 95288eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp2, len); 95388eea45cSKlaus Jensen if (status) { 95488eea45cSKlaus Jensen goto unmap; 95588eea45cSKlaus Jensen } 95688eea45cSKlaus Jensen } 95788eea45cSKlaus Jensen } 95888eea45cSKlaus Jensen 95988eea45cSKlaus Jensen return NVME_SUCCESS; 96088eea45cSKlaus Jensen 96188eea45cSKlaus Jensen unmap: 96288eea45cSKlaus Jensen nvme_sg_unmap(sg); 96388eea45cSKlaus Jensen return status; 96488eea45cSKlaus Jensen } 96588eea45cSKlaus Jensen 96688eea45cSKlaus Jensen /* 96788eea45cSKlaus Jensen * Map 'nsgld' data descriptors from 'segment'. The function will subtract the 96888eea45cSKlaus Jensen * number of bytes mapped in len. 96988eea45cSKlaus Jensen */ 97088eea45cSKlaus Jensen static uint16_t nvme_map_sgl_data(NvmeCtrl *n, NvmeSg *sg, 97188eea45cSKlaus Jensen NvmeSglDescriptor *segment, uint64_t nsgld, 97288eea45cSKlaus Jensen size_t *len, NvmeCmd *cmd) 97388eea45cSKlaus Jensen { 97488eea45cSKlaus Jensen dma_addr_t addr, trans_len; 97588eea45cSKlaus Jensen uint32_t dlen; 97688eea45cSKlaus Jensen uint16_t status; 97788eea45cSKlaus Jensen 97888eea45cSKlaus Jensen for (int i = 0; i < nsgld; i++) { 97988eea45cSKlaus Jensen uint8_t type = NVME_SGL_TYPE(segment[i].type); 98088eea45cSKlaus Jensen 98188eea45cSKlaus Jensen switch (type) { 98288eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_DATA_BLOCK: 98388eea45cSKlaus Jensen break; 98488eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_SEGMENT: 98588eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_LAST_SEGMENT: 98688eea45cSKlaus Jensen return NVME_INVALID_NUM_SGL_DESCRS | NVME_DNR; 98788eea45cSKlaus Jensen default: 98888eea45cSKlaus Jensen return NVME_SGL_DESCR_TYPE_INVALID | NVME_DNR; 98988eea45cSKlaus Jensen } 99088eea45cSKlaus Jensen 99188eea45cSKlaus Jensen dlen = le32_to_cpu(segment[i].len); 99288eea45cSKlaus Jensen 99388eea45cSKlaus Jensen if (!dlen) { 99488eea45cSKlaus Jensen continue; 99588eea45cSKlaus Jensen } 99688eea45cSKlaus Jensen 99788eea45cSKlaus Jensen if (*len == 0) { 99888eea45cSKlaus Jensen /* 99988eea45cSKlaus Jensen * All data has been mapped, but the SGL contains additional 100088eea45cSKlaus Jensen * segments and/or descriptors. The controller might accept 100188eea45cSKlaus Jensen * ignoring the rest of the SGL. 100288eea45cSKlaus Jensen */ 100388eea45cSKlaus Jensen uint32_t sgls = le32_to_cpu(n->id_ctrl.sgls); 100488eea45cSKlaus Jensen if (sgls & NVME_CTRL_SGLS_EXCESS_LENGTH) { 100588eea45cSKlaus Jensen break; 100688eea45cSKlaus Jensen } 100788eea45cSKlaus Jensen 100888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_sgl_excess_length(dlen); 100988eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 101088eea45cSKlaus Jensen } 101188eea45cSKlaus Jensen 101288eea45cSKlaus Jensen trans_len = MIN(*len, dlen); 101388eea45cSKlaus Jensen 101488eea45cSKlaus Jensen addr = le64_to_cpu(segment[i].addr); 101588eea45cSKlaus Jensen 101688eea45cSKlaus Jensen if (UINT64_MAX - addr < dlen) { 101788eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 101888eea45cSKlaus Jensen } 101988eea45cSKlaus Jensen 102088eea45cSKlaus Jensen status = nvme_map_addr(n, sg, addr, trans_len); 102188eea45cSKlaus Jensen if (status) { 102288eea45cSKlaus Jensen return status; 102388eea45cSKlaus Jensen } 102488eea45cSKlaus Jensen 102588eea45cSKlaus Jensen *len -= trans_len; 102688eea45cSKlaus Jensen } 102788eea45cSKlaus Jensen 102888eea45cSKlaus Jensen return NVME_SUCCESS; 102988eea45cSKlaus Jensen } 103088eea45cSKlaus Jensen 103188eea45cSKlaus Jensen static uint16_t nvme_map_sgl(NvmeCtrl *n, NvmeSg *sg, NvmeSglDescriptor sgl, 103288eea45cSKlaus Jensen size_t len, NvmeCmd *cmd) 103388eea45cSKlaus Jensen { 103488eea45cSKlaus Jensen /* 103588eea45cSKlaus Jensen * Read the segment in chunks of 256 descriptors (one 4k page) to avoid 103688eea45cSKlaus Jensen * dynamically allocating a potentially huge SGL. The spec allows the SGL 103788eea45cSKlaus Jensen * to be larger (as in number of bytes required to describe the SGL 103888eea45cSKlaus Jensen * descriptors and segment chain) than the command transfer size, so it is 103988eea45cSKlaus Jensen * not bounded by MDTS. 104088eea45cSKlaus Jensen */ 104188eea45cSKlaus Jensen const int SEG_CHUNK_SIZE = 256; 104288eea45cSKlaus Jensen 104388eea45cSKlaus Jensen NvmeSglDescriptor segment[SEG_CHUNK_SIZE], *sgld, *last_sgld; 104488eea45cSKlaus Jensen uint64_t nsgld; 104588eea45cSKlaus Jensen uint32_t seg_len; 104688eea45cSKlaus Jensen uint16_t status; 104788eea45cSKlaus Jensen hwaddr addr; 104888eea45cSKlaus Jensen int ret; 104988eea45cSKlaus Jensen 105088eea45cSKlaus Jensen sgld = &sgl; 105188eea45cSKlaus Jensen addr = le64_to_cpu(sgl.addr); 105288eea45cSKlaus Jensen 105388eea45cSKlaus Jensen trace_pci_nvme_map_sgl(NVME_SGL_TYPE(sgl.type), len); 105488eea45cSKlaus Jensen 105588eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, addr)); 105688eea45cSKlaus Jensen 105788eea45cSKlaus Jensen /* 105888eea45cSKlaus Jensen * If the entire transfer can be described with a single data block it can 105988eea45cSKlaus Jensen * be mapped directly. 106088eea45cSKlaus Jensen */ 106188eea45cSKlaus Jensen if (NVME_SGL_TYPE(sgl.type) == NVME_SGL_DESCR_TYPE_DATA_BLOCK) { 106288eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, sgld, 1, &len, cmd); 106388eea45cSKlaus Jensen if (status) { 106488eea45cSKlaus Jensen goto unmap; 106588eea45cSKlaus Jensen } 106688eea45cSKlaus Jensen 106788eea45cSKlaus Jensen goto out; 106888eea45cSKlaus Jensen } 106988eea45cSKlaus Jensen 107088eea45cSKlaus Jensen for (;;) { 107188eea45cSKlaus Jensen switch (NVME_SGL_TYPE(sgld->type)) { 107288eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_SEGMENT: 107388eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_LAST_SEGMENT: 107488eea45cSKlaus Jensen break; 107588eea45cSKlaus Jensen default: 107688eea45cSKlaus Jensen return NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 107788eea45cSKlaus Jensen } 107888eea45cSKlaus Jensen 107988eea45cSKlaus Jensen seg_len = le32_to_cpu(sgld->len); 108088eea45cSKlaus Jensen 108188eea45cSKlaus Jensen /* check the length of the (Last) Segment descriptor */ 1082b9147a3aSKlaus Jensen if (!seg_len || seg_len & 0xf) { 108388eea45cSKlaus Jensen return NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 108488eea45cSKlaus Jensen } 108588eea45cSKlaus Jensen 108688eea45cSKlaus Jensen if (UINT64_MAX - addr < seg_len) { 108788eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 108888eea45cSKlaus Jensen } 108988eea45cSKlaus Jensen 109088eea45cSKlaus Jensen nsgld = seg_len / sizeof(NvmeSglDescriptor); 109188eea45cSKlaus Jensen 109288eea45cSKlaus Jensen while (nsgld > SEG_CHUNK_SIZE) { 109388eea45cSKlaus Jensen if (nvme_addr_read(n, addr, segment, sizeof(segment))) { 109488eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 109588eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 109688eea45cSKlaus Jensen goto unmap; 109788eea45cSKlaus Jensen } 109888eea45cSKlaus Jensen 109988eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, SEG_CHUNK_SIZE, 110088eea45cSKlaus Jensen &len, cmd); 110188eea45cSKlaus Jensen if (status) { 110288eea45cSKlaus Jensen goto unmap; 110388eea45cSKlaus Jensen } 110488eea45cSKlaus Jensen 110588eea45cSKlaus Jensen nsgld -= SEG_CHUNK_SIZE; 110688eea45cSKlaus Jensen addr += SEG_CHUNK_SIZE * sizeof(NvmeSglDescriptor); 110788eea45cSKlaus Jensen } 110888eea45cSKlaus Jensen 110988eea45cSKlaus Jensen ret = nvme_addr_read(n, addr, segment, nsgld * 111088eea45cSKlaus Jensen sizeof(NvmeSglDescriptor)); 111188eea45cSKlaus Jensen if (ret) { 111288eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 111388eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 111488eea45cSKlaus Jensen goto unmap; 111588eea45cSKlaus Jensen } 111688eea45cSKlaus Jensen 111788eea45cSKlaus Jensen last_sgld = &segment[nsgld - 1]; 111888eea45cSKlaus Jensen 111988eea45cSKlaus Jensen /* 1120b9147a3aSKlaus Jensen * If the segment ends with a Data Block, then we are done. 112188eea45cSKlaus Jensen */ 1122b9147a3aSKlaus Jensen if (NVME_SGL_TYPE(last_sgld->type) == NVME_SGL_DESCR_TYPE_DATA_BLOCK) { 112388eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, nsgld, &len, cmd); 112488eea45cSKlaus Jensen if (status) { 112588eea45cSKlaus Jensen goto unmap; 112688eea45cSKlaus Jensen } 112788eea45cSKlaus Jensen 112888eea45cSKlaus Jensen goto out; 112988eea45cSKlaus Jensen } 113088eea45cSKlaus Jensen 113188eea45cSKlaus Jensen /* 1132b9147a3aSKlaus Jensen * If the last descriptor was not a Data Block, then the current 1133b9147a3aSKlaus Jensen * segment must not be a Last Segment. 113488eea45cSKlaus Jensen */ 113588eea45cSKlaus Jensen if (NVME_SGL_TYPE(sgld->type) == NVME_SGL_DESCR_TYPE_LAST_SEGMENT) { 113688eea45cSKlaus Jensen status = NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 113788eea45cSKlaus Jensen goto unmap; 113888eea45cSKlaus Jensen } 113988eea45cSKlaus Jensen 114088eea45cSKlaus Jensen sgld = last_sgld; 114188eea45cSKlaus Jensen addr = le64_to_cpu(sgld->addr); 114288eea45cSKlaus Jensen 114388eea45cSKlaus Jensen /* 114488eea45cSKlaus Jensen * Do not map the last descriptor; it will be a Segment or Last Segment 114588eea45cSKlaus Jensen * descriptor and is handled by the next iteration. 114688eea45cSKlaus Jensen */ 114788eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, nsgld - 1, &len, cmd); 114888eea45cSKlaus Jensen if (status) { 114988eea45cSKlaus Jensen goto unmap; 115088eea45cSKlaus Jensen } 115188eea45cSKlaus Jensen } 115288eea45cSKlaus Jensen 115388eea45cSKlaus Jensen out: 115488eea45cSKlaus Jensen /* if there is any residual left in len, the SGL was too short */ 115588eea45cSKlaus Jensen if (len) { 115688eea45cSKlaus Jensen status = NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 115788eea45cSKlaus Jensen goto unmap; 115888eea45cSKlaus Jensen } 115988eea45cSKlaus Jensen 116088eea45cSKlaus Jensen return NVME_SUCCESS; 116188eea45cSKlaus Jensen 116288eea45cSKlaus Jensen unmap: 116388eea45cSKlaus Jensen nvme_sg_unmap(sg); 116488eea45cSKlaus Jensen return status; 116588eea45cSKlaus Jensen } 116688eea45cSKlaus Jensen 116788eea45cSKlaus Jensen uint16_t nvme_map_dptr(NvmeCtrl *n, NvmeSg *sg, size_t len, 116888eea45cSKlaus Jensen NvmeCmd *cmd) 116988eea45cSKlaus Jensen { 117088eea45cSKlaus Jensen uint64_t prp1, prp2; 117188eea45cSKlaus Jensen 117288eea45cSKlaus Jensen switch (NVME_CMD_FLAGS_PSDT(cmd->flags)) { 117388eea45cSKlaus Jensen case NVME_PSDT_PRP: 117488eea45cSKlaus Jensen prp1 = le64_to_cpu(cmd->dptr.prp1); 117588eea45cSKlaus Jensen prp2 = le64_to_cpu(cmd->dptr.prp2); 117688eea45cSKlaus Jensen 117788eea45cSKlaus Jensen return nvme_map_prp(n, sg, prp1, prp2, len); 117888eea45cSKlaus Jensen case NVME_PSDT_SGL_MPTR_CONTIGUOUS: 117988eea45cSKlaus Jensen case NVME_PSDT_SGL_MPTR_SGL: 118088eea45cSKlaus Jensen return nvme_map_sgl(n, sg, cmd->dptr.sgl, len, cmd); 118188eea45cSKlaus Jensen default: 118288eea45cSKlaus Jensen return NVME_INVALID_FIELD; 118388eea45cSKlaus Jensen } 118488eea45cSKlaus Jensen } 118588eea45cSKlaus Jensen 118688eea45cSKlaus Jensen static uint16_t nvme_map_mptr(NvmeCtrl *n, NvmeSg *sg, size_t len, 118788eea45cSKlaus Jensen NvmeCmd *cmd) 118888eea45cSKlaus Jensen { 118988eea45cSKlaus Jensen int psdt = NVME_CMD_FLAGS_PSDT(cmd->flags); 119088eea45cSKlaus Jensen hwaddr mptr = le64_to_cpu(cmd->mptr); 119188eea45cSKlaus Jensen uint16_t status; 119288eea45cSKlaus Jensen 119388eea45cSKlaus Jensen if (psdt == NVME_PSDT_SGL_MPTR_SGL) { 119488eea45cSKlaus Jensen NvmeSglDescriptor sgl; 119588eea45cSKlaus Jensen 119688eea45cSKlaus Jensen if (nvme_addr_read(n, mptr, &sgl, sizeof(sgl))) { 119788eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 119888eea45cSKlaus Jensen } 119988eea45cSKlaus Jensen 120088eea45cSKlaus Jensen status = nvme_map_sgl(n, sg, sgl, len, cmd); 120188eea45cSKlaus Jensen if (status && (status & 0x7ff) == NVME_DATA_SGL_LEN_INVALID) { 120288eea45cSKlaus Jensen status = NVME_MD_SGL_LEN_INVALID | NVME_DNR; 120388eea45cSKlaus Jensen } 120488eea45cSKlaus Jensen 120588eea45cSKlaus Jensen return status; 120688eea45cSKlaus Jensen } 120788eea45cSKlaus Jensen 120888eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, mptr)); 120988eea45cSKlaus Jensen status = nvme_map_addr(n, sg, mptr, len); 121088eea45cSKlaus Jensen if (status) { 121188eea45cSKlaus Jensen nvme_sg_unmap(sg); 121288eea45cSKlaus Jensen } 121388eea45cSKlaus Jensen 121488eea45cSKlaus Jensen return status; 121588eea45cSKlaus Jensen } 121688eea45cSKlaus Jensen 121788eea45cSKlaus Jensen static uint16_t nvme_map_data(NvmeCtrl *n, uint32_t nlb, NvmeRequest *req) 121888eea45cSKlaus Jensen { 121988eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 122088eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 12212a132309SKlaus Jensen bool pi = !!NVME_ID_NS_DPS_TYPE(ns->id_ns.dps); 12222a132309SKlaus Jensen bool pract = !!(le16_to_cpu(rw->control) & NVME_RW_PRINFO_PRACT); 122388eea45cSKlaus Jensen size_t len = nvme_l2b(ns, nlb); 122488eea45cSKlaus Jensen uint16_t status; 122588eea45cSKlaus Jensen 1226ac0b34c5SKlaus Jensen if (nvme_ns_ext(ns) && 1227ac0b34c5SKlaus Jensen !(pi && pract && ns->lbaf.ms == nvme_pi_tuple_size(ns))) { 122888eea45cSKlaus Jensen NvmeSg sg; 122988eea45cSKlaus Jensen 123088eea45cSKlaus Jensen len += nvme_m2b(ns, nlb); 123188eea45cSKlaus Jensen 123288eea45cSKlaus Jensen status = nvme_map_dptr(n, &sg, len, &req->cmd); 123388eea45cSKlaus Jensen if (status) { 123488eea45cSKlaus Jensen return status; 123588eea45cSKlaus Jensen } 123688eea45cSKlaus Jensen 123788eea45cSKlaus Jensen nvme_sg_init(n, &req->sg, sg.flags & NVME_SG_DMA); 123888eea45cSKlaus Jensen nvme_sg_split(&sg, ns, &req->sg, NULL); 123988eea45cSKlaus Jensen nvme_sg_unmap(&sg); 124088eea45cSKlaus Jensen 124188eea45cSKlaus Jensen return NVME_SUCCESS; 124288eea45cSKlaus Jensen } 124388eea45cSKlaus Jensen 124488eea45cSKlaus Jensen return nvme_map_dptr(n, &req->sg, len, &req->cmd); 124588eea45cSKlaus Jensen } 124688eea45cSKlaus Jensen 124788eea45cSKlaus Jensen static uint16_t nvme_map_mdata(NvmeCtrl *n, uint32_t nlb, NvmeRequest *req) 124888eea45cSKlaus Jensen { 124988eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 125088eea45cSKlaus Jensen size_t len = nvme_m2b(ns, nlb); 125188eea45cSKlaus Jensen uint16_t status; 125288eea45cSKlaus Jensen 125388eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 125488eea45cSKlaus Jensen NvmeSg sg; 125588eea45cSKlaus Jensen 125688eea45cSKlaus Jensen len += nvme_l2b(ns, nlb); 125788eea45cSKlaus Jensen 125888eea45cSKlaus Jensen status = nvme_map_dptr(n, &sg, len, &req->cmd); 125988eea45cSKlaus Jensen if (status) { 126088eea45cSKlaus Jensen return status; 126188eea45cSKlaus Jensen } 126288eea45cSKlaus Jensen 126388eea45cSKlaus Jensen nvme_sg_init(n, &req->sg, sg.flags & NVME_SG_DMA); 126488eea45cSKlaus Jensen nvme_sg_split(&sg, ns, NULL, &req->sg); 126588eea45cSKlaus Jensen nvme_sg_unmap(&sg); 126688eea45cSKlaus Jensen 126788eea45cSKlaus Jensen return NVME_SUCCESS; 126888eea45cSKlaus Jensen } 126988eea45cSKlaus Jensen 127088eea45cSKlaus Jensen return nvme_map_mptr(n, &req->sg, len, &req->cmd); 127188eea45cSKlaus Jensen } 127288eea45cSKlaus Jensen 127388eea45cSKlaus Jensen static uint16_t nvme_tx_interleaved(NvmeCtrl *n, NvmeSg *sg, uint8_t *ptr, 127488eea45cSKlaus Jensen uint32_t len, uint32_t bytes, 127588eea45cSKlaus Jensen int32_t skip_bytes, int64_t offset, 127688eea45cSKlaus Jensen NvmeTxDirection dir) 127788eea45cSKlaus Jensen { 127888eea45cSKlaus Jensen hwaddr addr; 127988eea45cSKlaus Jensen uint32_t trans_len, count = bytes; 128088eea45cSKlaus Jensen bool dma = sg->flags & NVME_SG_DMA; 128188eea45cSKlaus Jensen int64_t sge_len; 128288eea45cSKlaus Jensen int sg_idx = 0; 128388eea45cSKlaus Jensen int ret; 128488eea45cSKlaus Jensen 128588eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 128688eea45cSKlaus Jensen 128788eea45cSKlaus Jensen while (len) { 128888eea45cSKlaus Jensen sge_len = dma ? sg->qsg.sg[sg_idx].len : sg->iov.iov[sg_idx].iov_len; 128988eea45cSKlaus Jensen 129088eea45cSKlaus Jensen if (sge_len - offset < 0) { 129188eea45cSKlaus Jensen offset -= sge_len; 129288eea45cSKlaus Jensen sg_idx++; 129388eea45cSKlaus Jensen continue; 129488eea45cSKlaus Jensen } 129588eea45cSKlaus Jensen 129688eea45cSKlaus Jensen if (sge_len == offset) { 129788eea45cSKlaus Jensen offset = 0; 129888eea45cSKlaus Jensen sg_idx++; 129988eea45cSKlaus Jensen continue; 130088eea45cSKlaus Jensen } 130188eea45cSKlaus Jensen 130288eea45cSKlaus Jensen trans_len = MIN(len, count); 130388eea45cSKlaus Jensen trans_len = MIN(trans_len, sge_len - offset); 130488eea45cSKlaus Jensen 130588eea45cSKlaus Jensen if (dma) { 130688eea45cSKlaus Jensen addr = sg->qsg.sg[sg_idx].base + offset; 130788eea45cSKlaus Jensen } else { 130888eea45cSKlaus Jensen addr = (hwaddr)(uintptr_t)sg->iov.iov[sg_idx].iov_base + offset; 130988eea45cSKlaus Jensen } 131088eea45cSKlaus Jensen 131188eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 131288eea45cSKlaus Jensen ret = nvme_addr_read(n, addr, ptr, trans_len); 131388eea45cSKlaus Jensen } else { 131488eea45cSKlaus Jensen ret = nvme_addr_write(n, addr, ptr, trans_len); 131588eea45cSKlaus Jensen } 131688eea45cSKlaus Jensen 131788eea45cSKlaus Jensen if (ret) { 131888eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 131988eea45cSKlaus Jensen } 132088eea45cSKlaus Jensen 132188eea45cSKlaus Jensen ptr += trans_len; 132288eea45cSKlaus Jensen len -= trans_len; 132388eea45cSKlaus Jensen count -= trans_len; 132488eea45cSKlaus Jensen offset += trans_len; 132588eea45cSKlaus Jensen 132688eea45cSKlaus Jensen if (count == 0) { 132788eea45cSKlaus Jensen count = bytes; 132888eea45cSKlaus Jensen offset += skip_bytes; 132988eea45cSKlaus Jensen } 133088eea45cSKlaus Jensen } 133188eea45cSKlaus Jensen 133288eea45cSKlaus Jensen return NVME_SUCCESS; 133388eea45cSKlaus Jensen } 133488eea45cSKlaus Jensen 13358d3a17beSPhilippe Mathieu-Daudé static uint16_t nvme_tx(NvmeCtrl *n, NvmeSg *sg, void *ptr, uint32_t len, 133688eea45cSKlaus Jensen NvmeTxDirection dir) 133788eea45cSKlaus Jensen { 133888eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 133988eea45cSKlaus Jensen 134088eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 1341392e48afSPhilippe Mathieu-Daudé const MemTxAttrs attrs = MEMTXATTRS_UNSPECIFIED; 1342bfa30f39SPhilippe Mathieu-Daudé dma_addr_t residual; 134388eea45cSKlaus Jensen 134488eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 1345f02b664aSPhilippe Mathieu-Daudé dma_buf_write(ptr, len, &residual, &sg->qsg, attrs); 134688eea45cSKlaus Jensen } else { 1347f02b664aSPhilippe Mathieu-Daudé dma_buf_read(ptr, len, &residual, &sg->qsg, attrs); 134888eea45cSKlaus Jensen } 134988eea45cSKlaus Jensen 135088eea45cSKlaus Jensen if (unlikely(residual)) { 135188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_dma(); 135288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 135388eea45cSKlaus Jensen } 135488eea45cSKlaus Jensen } else { 135588eea45cSKlaus Jensen size_t bytes; 135688eea45cSKlaus Jensen 135788eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 135888eea45cSKlaus Jensen bytes = qemu_iovec_to_buf(&sg->iov, 0, ptr, len); 135988eea45cSKlaus Jensen } else { 136088eea45cSKlaus Jensen bytes = qemu_iovec_from_buf(&sg->iov, 0, ptr, len); 136188eea45cSKlaus Jensen } 136288eea45cSKlaus Jensen 136388eea45cSKlaus Jensen if (unlikely(bytes != len)) { 136488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_dma(); 136588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 136688eea45cSKlaus Jensen } 136788eea45cSKlaus Jensen } 136888eea45cSKlaus Jensen 136988eea45cSKlaus Jensen return NVME_SUCCESS; 137088eea45cSKlaus Jensen } 137188eea45cSKlaus Jensen 13728d3a17beSPhilippe Mathieu-Daudé static inline uint16_t nvme_c2h(NvmeCtrl *n, void *ptr, uint32_t len, 137388eea45cSKlaus Jensen NvmeRequest *req) 137488eea45cSKlaus Jensen { 137588eea45cSKlaus Jensen uint16_t status; 137688eea45cSKlaus Jensen 137788eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 137888eea45cSKlaus Jensen if (status) { 137988eea45cSKlaus Jensen return status; 138088eea45cSKlaus Jensen } 138188eea45cSKlaus Jensen 138288eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, NVME_TX_DIRECTION_FROM_DEVICE); 138388eea45cSKlaus Jensen } 138488eea45cSKlaus Jensen 13858d3a17beSPhilippe Mathieu-Daudé static inline uint16_t nvme_h2c(NvmeCtrl *n, void *ptr, uint32_t len, 138688eea45cSKlaus Jensen NvmeRequest *req) 138788eea45cSKlaus Jensen { 138888eea45cSKlaus Jensen uint16_t status; 138988eea45cSKlaus Jensen 139088eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 139188eea45cSKlaus Jensen if (status) { 139288eea45cSKlaus Jensen return status; 139388eea45cSKlaus Jensen } 139488eea45cSKlaus Jensen 139588eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, NVME_TX_DIRECTION_TO_DEVICE); 139688eea45cSKlaus Jensen } 139788eea45cSKlaus Jensen 13988d3a17beSPhilippe Mathieu-Daudé uint16_t nvme_bounce_data(NvmeCtrl *n, void *ptr, uint32_t len, 139988eea45cSKlaus Jensen NvmeTxDirection dir, NvmeRequest *req) 140088eea45cSKlaus Jensen { 140188eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 140288eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 14032a132309SKlaus Jensen bool pi = !!NVME_ID_NS_DPS_TYPE(ns->id_ns.dps); 14042a132309SKlaus Jensen bool pract = !!(le16_to_cpu(rw->control) & NVME_RW_PRINFO_PRACT); 140588eea45cSKlaus Jensen 1406ac0b34c5SKlaus Jensen if (nvme_ns_ext(ns) && 1407ac0b34c5SKlaus Jensen !(pi && pract && ns->lbaf.ms == nvme_pi_tuple_size(ns))) { 140888eea45cSKlaus Jensen return nvme_tx_interleaved(n, &req->sg, ptr, len, ns->lbasz, 140988eea45cSKlaus Jensen ns->lbaf.ms, 0, dir); 141088eea45cSKlaus Jensen } 141188eea45cSKlaus Jensen 141288eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, dir); 141388eea45cSKlaus Jensen } 141488eea45cSKlaus Jensen 14158d3a17beSPhilippe Mathieu-Daudé uint16_t nvme_bounce_mdata(NvmeCtrl *n, void *ptr, uint32_t len, 141688eea45cSKlaus Jensen NvmeTxDirection dir, NvmeRequest *req) 141788eea45cSKlaus Jensen { 141888eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 141988eea45cSKlaus Jensen uint16_t status; 142088eea45cSKlaus Jensen 142188eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 142288eea45cSKlaus Jensen return nvme_tx_interleaved(n, &req->sg, ptr, len, ns->lbaf.ms, 142388eea45cSKlaus Jensen ns->lbasz, ns->lbasz, dir); 142488eea45cSKlaus Jensen } 142588eea45cSKlaus Jensen 142688eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 142788eea45cSKlaus Jensen 142888eea45cSKlaus Jensen status = nvme_map_mptr(n, &req->sg, len, &req->cmd); 142988eea45cSKlaus Jensen if (status) { 143088eea45cSKlaus Jensen return status; 143188eea45cSKlaus Jensen } 143288eea45cSKlaus Jensen 143388eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, dir); 143488eea45cSKlaus Jensen } 143588eea45cSKlaus Jensen 143688eea45cSKlaus Jensen static inline void nvme_blk_read(BlockBackend *blk, int64_t offset, 14379b4f0181SMateusz Kozlowski uint32_t align, BlockCompletionFunc *cb, 14389b4f0181SMateusz Kozlowski NvmeRequest *req) 143988eea45cSKlaus Jensen { 144088eea45cSKlaus Jensen assert(req->sg.flags & NVME_SG_ALLOC); 144188eea45cSKlaus Jensen 144288eea45cSKlaus Jensen if (req->sg.flags & NVME_SG_DMA) { 14439b4f0181SMateusz Kozlowski req->aiocb = dma_blk_read(blk, &req->sg.qsg, offset, align, cb, req); 144488eea45cSKlaus Jensen } else { 144588eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &req->sg.iov, 0, cb, req); 144688eea45cSKlaus Jensen } 144788eea45cSKlaus Jensen } 144888eea45cSKlaus Jensen 144988eea45cSKlaus Jensen static inline void nvme_blk_write(BlockBackend *blk, int64_t offset, 14509b4f0181SMateusz Kozlowski uint32_t align, BlockCompletionFunc *cb, 14519b4f0181SMateusz Kozlowski NvmeRequest *req) 145288eea45cSKlaus Jensen { 145388eea45cSKlaus Jensen assert(req->sg.flags & NVME_SG_ALLOC); 145488eea45cSKlaus Jensen 145588eea45cSKlaus Jensen if (req->sg.flags & NVME_SG_DMA) { 14569b4f0181SMateusz Kozlowski req->aiocb = dma_blk_write(blk, &req->sg.qsg, offset, align, cb, req); 145788eea45cSKlaus Jensen } else { 145888eea45cSKlaus Jensen req->aiocb = blk_aio_pwritev(blk, offset, &req->sg.iov, 0, cb, req); 145988eea45cSKlaus Jensen } 146088eea45cSKlaus Jensen } 146188eea45cSKlaus Jensen 1462fa5db2aaSKlaus Jensen static void nvme_update_cq_eventidx(const NvmeCQueue *cq) 1463fa5db2aaSKlaus Jensen { 1464fa5db2aaSKlaus Jensen uint32_t v = cpu_to_le32(cq->head); 1465fa5db2aaSKlaus Jensen 1466fa5db2aaSKlaus Jensen trace_pci_nvme_update_cq_eventidx(cq->cqid, cq->head); 1467fa5db2aaSKlaus Jensen 1468fa5db2aaSKlaus Jensen pci_dma_write(PCI_DEVICE(cq->ctrl), cq->ei_addr, &v, sizeof(v)); 1469fa5db2aaSKlaus Jensen } 1470fa5db2aaSKlaus Jensen 14713f7fe8deSJinhao Fan static void nvme_update_cq_head(NvmeCQueue *cq) 14723f7fe8deSJinhao Fan { 14732fda0726SKlaus Jensen uint32_t v; 14742fda0726SKlaus Jensen 14752fda0726SKlaus Jensen pci_dma_read(PCI_DEVICE(cq->ctrl), cq->db_addr, &v, sizeof(v)); 14762fda0726SKlaus Jensen 14772fda0726SKlaus Jensen cq->head = le32_to_cpu(v); 147847cd3539SKlaus Jensen 147947cd3539SKlaus Jensen trace_pci_nvme_update_cq_head(cq->cqid, cq->head); 14803f7fe8deSJinhao Fan } 14813f7fe8deSJinhao Fan 148288eea45cSKlaus Jensen static void nvme_post_cqes(void *opaque) 148388eea45cSKlaus Jensen { 148488eea45cSKlaus Jensen NvmeCQueue *cq = opaque; 148588eea45cSKlaus Jensen NvmeCtrl *n = cq->ctrl; 148688eea45cSKlaus Jensen NvmeRequest *req, *next; 148783d7ed5cSKlaus Jensen bool pending = cq->head != cq->tail; 148888eea45cSKlaus Jensen int ret; 148988eea45cSKlaus Jensen 149088eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(req, &cq->req_list, entry, next) { 149188eea45cSKlaus Jensen NvmeSQueue *sq; 149288eea45cSKlaus Jensen hwaddr addr; 149388eea45cSKlaus Jensen 14943f7fe8deSJinhao Fan if (n->dbbuf_enabled) { 1495fa5db2aaSKlaus Jensen nvme_update_cq_eventidx(cq); 14963f7fe8deSJinhao Fan nvme_update_cq_head(cq); 14973f7fe8deSJinhao Fan } 14983f7fe8deSJinhao Fan 149988eea45cSKlaus Jensen if (nvme_cq_full(cq)) { 150088eea45cSKlaus Jensen break; 150188eea45cSKlaus Jensen } 150288eea45cSKlaus Jensen 150388eea45cSKlaus Jensen sq = req->sq; 150488eea45cSKlaus Jensen req->cqe.status = cpu_to_le16((req->status << 1) | cq->phase); 150588eea45cSKlaus Jensen req->cqe.sq_id = cpu_to_le16(sq->sqid); 150688eea45cSKlaus Jensen req->cqe.sq_head = cpu_to_le16(sq->head); 150788eea45cSKlaus Jensen addr = cq->dma_addr + cq->tail * n->cqe_size; 150848b32c28SKlaus Jensen ret = pci_dma_write(PCI_DEVICE(n), addr, (void *)&req->cqe, 150988eea45cSKlaus Jensen sizeof(req->cqe)); 151088eea45cSKlaus Jensen if (ret) { 151188eea45cSKlaus Jensen trace_pci_nvme_err_addr_write(addr); 151288eea45cSKlaus Jensen trace_pci_nvme_err_cfs(); 151349e03457SKlaus Jensen stl_le_p(&n->bar.csts, NVME_CSTS_FAILED); 151488eea45cSKlaus Jensen break; 151588eea45cSKlaus Jensen } 151688eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->req_list, req, entry); 151788eea45cSKlaus Jensen nvme_inc_cq_tail(cq); 151888eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 151988eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->req_list, req, entry); 152088eea45cSKlaus Jensen } 152188eea45cSKlaus Jensen if (cq->tail != cq->head) { 152283d7ed5cSKlaus Jensen if (cq->irq_enabled && !pending) { 152383d7ed5cSKlaus Jensen n->cq_pending++; 152483d7ed5cSKlaus Jensen } 152583d7ed5cSKlaus Jensen 152688eea45cSKlaus Jensen nvme_irq_assert(n, cq); 152788eea45cSKlaus Jensen } 152888eea45cSKlaus Jensen } 152988eea45cSKlaus Jensen 153088eea45cSKlaus Jensen static void nvme_enqueue_req_completion(NvmeCQueue *cq, NvmeRequest *req) 153188eea45cSKlaus Jensen { 153288eea45cSKlaus Jensen assert(cq->cqid == req->sq->cqid); 153388eea45cSKlaus Jensen trace_pci_nvme_enqueue_req_completion(nvme_cid(req), cq->cqid, 1534f1c97407SKlaus Jensen le32_to_cpu(req->cqe.result), 1535f1c97407SKlaus Jensen le32_to_cpu(req->cqe.dw1), 153688eea45cSKlaus Jensen req->status); 153788eea45cSKlaus Jensen 153888eea45cSKlaus Jensen if (req->status) { 153988eea45cSKlaus Jensen trace_pci_nvme_err_req_status(nvme_cid(req), nvme_nsid(req->ns), 154088eea45cSKlaus Jensen req->status, req->cmd.opcode); 154188eea45cSKlaus Jensen } 154288eea45cSKlaus Jensen 154388eea45cSKlaus Jensen QTAILQ_REMOVE(&req->sq->out_req_list, req, entry); 154488eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&cq->req_list, req, entry); 15452e53b0b4SJinhao Fan 1546d38cc6fdSKlaus Jensen qemu_bh_schedule(cq->bh); 15472e53b0b4SJinhao Fan } 154888eea45cSKlaus Jensen 154988eea45cSKlaus Jensen static void nvme_process_aers(void *opaque) 155088eea45cSKlaus Jensen { 155188eea45cSKlaus Jensen NvmeCtrl *n = opaque; 155288eea45cSKlaus Jensen NvmeAsyncEvent *event, *next; 155388eea45cSKlaus Jensen 155488eea45cSKlaus Jensen trace_pci_nvme_process_aers(n->aer_queued); 155588eea45cSKlaus Jensen 155688eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(event, &n->aer_queue, entry, next) { 155788eea45cSKlaus Jensen NvmeRequest *req; 155888eea45cSKlaus Jensen NvmeAerResult *result; 155988eea45cSKlaus Jensen 156088eea45cSKlaus Jensen /* can't post cqe if there is nothing to complete */ 156188eea45cSKlaus Jensen if (!n->outstanding_aers) { 156288eea45cSKlaus Jensen trace_pci_nvme_no_outstanding_aers(); 156388eea45cSKlaus Jensen break; 156488eea45cSKlaus Jensen } 156588eea45cSKlaus Jensen 156688eea45cSKlaus Jensen /* ignore if masked (cqe posted, but event not cleared) */ 156788eea45cSKlaus Jensen if (n->aer_mask & (1 << event->result.event_type)) { 156888eea45cSKlaus Jensen trace_pci_nvme_aer_masked(event->result.event_type, n->aer_mask); 156988eea45cSKlaus Jensen continue; 157088eea45cSKlaus Jensen } 157188eea45cSKlaus Jensen 157288eea45cSKlaus Jensen QTAILQ_REMOVE(&n->aer_queue, event, entry); 157388eea45cSKlaus Jensen n->aer_queued--; 157488eea45cSKlaus Jensen 157588eea45cSKlaus Jensen n->aer_mask |= 1 << event->result.event_type; 157688eea45cSKlaus Jensen n->outstanding_aers--; 157788eea45cSKlaus Jensen 157888eea45cSKlaus Jensen req = n->aer_reqs[n->outstanding_aers]; 157988eea45cSKlaus Jensen 158088eea45cSKlaus Jensen result = (NvmeAerResult *) &req->cqe.result; 158188eea45cSKlaus Jensen result->event_type = event->result.event_type; 158288eea45cSKlaus Jensen result->event_info = event->result.event_info; 158388eea45cSKlaus Jensen result->log_page = event->result.log_page; 158488eea45cSKlaus Jensen g_free(event); 158588eea45cSKlaus Jensen 158688eea45cSKlaus Jensen trace_pci_nvme_aer_post_cqe(result->event_type, result->event_info, 158788eea45cSKlaus Jensen result->log_page); 158888eea45cSKlaus Jensen 158988eea45cSKlaus Jensen nvme_enqueue_req_completion(&n->admin_cq, req); 159088eea45cSKlaus Jensen } 159188eea45cSKlaus Jensen } 159288eea45cSKlaus Jensen 159388eea45cSKlaus Jensen static void nvme_enqueue_event(NvmeCtrl *n, uint8_t event_type, 159488eea45cSKlaus Jensen uint8_t event_info, uint8_t log_page) 159588eea45cSKlaus Jensen { 159688eea45cSKlaus Jensen NvmeAsyncEvent *event; 159788eea45cSKlaus Jensen 159888eea45cSKlaus Jensen trace_pci_nvme_enqueue_event(event_type, event_info, log_page); 159988eea45cSKlaus Jensen 160088eea45cSKlaus Jensen if (n->aer_queued == n->params.aer_max_queued) { 160188eea45cSKlaus Jensen trace_pci_nvme_enqueue_event_noqueue(n->aer_queued); 160288eea45cSKlaus Jensen return; 160388eea45cSKlaus Jensen } 160488eea45cSKlaus Jensen 160588eea45cSKlaus Jensen event = g_new(NvmeAsyncEvent, 1); 160688eea45cSKlaus Jensen event->result = (NvmeAerResult) { 160788eea45cSKlaus Jensen .event_type = event_type, 160888eea45cSKlaus Jensen .event_info = event_info, 160988eea45cSKlaus Jensen .log_page = log_page, 161088eea45cSKlaus Jensen }; 161188eea45cSKlaus Jensen 161288eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&n->aer_queue, event, entry); 161388eea45cSKlaus Jensen n->aer_queued++; 161488eea45cSKlaus Jensen 161588eea45cSKlaus Jensen nvme_process_aers(n); 161688eea45cSKlaus Jensen } 161788eea45cSKlaus Jensen 161888eea45cSKlaus Jensen static void nvme_smart_event(NvmeCtrl *n, uint8_t event) 161988eea45cSKlaus Jensen { 162088eea45cSKlaus Jensen uint8_t aer_info; 162188eea45cSKlaus Jensen 162288eea45cSKlaus Jensen /* Ref SPEC <Asynchronous Event Information 0x2013 SMART / Health Status> */ 162388eea45cSKlaus Jensen if (!(NVME_AEC_SMART(n->features.async_config) & event)) { 162488eea45cSKlaus Jensen return; 162588eea45cSKlaus Jensen } 162688eea45cSKlaus Jensen 162788eea45cSKlaus Jensen switch (event) { 162888eea45cSKlaus Jensen case NVME_SMART_SPARE: 162988eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_SPARE_THRESH; 163088eea45cSKlaus Jensen break; 163188eea45cSKlaus Jensen case NVME_SMART_TEMPERATURE: 163288eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_TEMP_THRESH; 163388eea45cSKlaus Jensen break; 163488eea45cSKlaus Jensen case NVME_SMART_RELIABILITY: 163588eea45cSKlaus Jensen case NVME_SMART_MEDIA_READ_ONLY: 163688eea45cSKlaus Jensen case NVME_SMART_FAILED_VOLATILE_MEDIA: 163788eea45cSKlaus Jensen case NVME_SMART_PMR_UNRELIABLE: 163888eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_RELIABILITY; 163988eea45cSKlaus Jensen break; 164088eea45cSKlaus Jensen default: 164188eea45cSKlaus Jensen return; 164288eea45cSKlaus Jensen } 164388eea45cSKlaus Jensen 164488eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_SMART, aer_info, NVME_LOG_SMART_INFO); 164588eea45cSKlaus Jensen } 164688eea45cSKlaus Jensen 164788eea45cSKlaus Jensen static void nvme_clear_events(NvmeCtrl *n, uint8_t event_type) 164888eea45cSKlaus Jensen { 164988eea45cSKlaus Jensen n->aer_mask &= ~(1 << event_type); 165088eea45cSKlaus Jensen if (!QTAILQ_EMPTY(&n->aer_queue)) { 165188eea45cSKlaus Jensen nvme_process_aers(n); 165288eea45cSKlaus Jensen } 165388eea45cSKlaus Jensen } 165488eea45cSKlaus Jensen 165588eea45cSKlaus Jensen static inline uint16_t nvme_check_mdts(NvmeCtrl *n, size_t len) 165688eea45cSKlaus Jensen { 165788eea45cSKlaus Jensen uint8_t mdts = n->params.mdts; 165888eea45cSKlaus Jensen 165988eea45cSKlaus Jensen if (mdts && len > n->page_size << mdts) { 166088eea45cSKlaus Jensen trace_pci_nvme_err_mdts(len); 166188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 166288eea45cSKlaus Jensen } 166388eea45cSKlaus Jensen 166488eea45cSKlaus Jensen return NVME_SUCCESS; 166588eea45cSKlaus Jensen } 166688eea45cSKlaus Jensen 166788eea45cSKlaus Jensen static inline uint16_t nvme_check_bounds(NvmeNamespace *ns, uint64_t slba, 166888eea45cSKlaus Jensen uint32_t nlb) 166988eea45cSKlaus Jensen { 167088eea45cSKlaus Jensen uint64_t nsze = le64_to_cpu(ns->id_ns.nsze); 167188eea45cSKlaus Jensen 167288eea45cSKlaus Jensen if (unlikely(UINT64_MAX - slba < nlb || slba + nlb > nsze)) { 167388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(slba, nlb, nsze); 167488eea45cSKlaus Jensen return NVME_LBA_RANGE | NVME_DNR; 167588eea45cSKlaus Jensen } 167688eea45cSKlaus Jensen 167788eea45cSKlaus Jensen return NVME_SUCCESS; 167888eea45cSKlaus Jensen } 167988eea45cSKlaus Jensen 1680ff0ac2c8SKlaus Jensen static int nvme_block_status_all(NvmeNamespace *ns, uint64_t slba, 1681ff0ac2c8SKlaus Jensen uint32_t nlb, int flags) 168288eea45cSKlaus Jensen { 168388eea45cSKlaus Jensen BlockDriverState *bs = blk_bs(ns->blkconf.blk); 168488eea45cSKlaus Jensen 168588eea45cSKlaus Jensen int64_t pnum = 0, bytes = nvme_l2b(ns, nlb); 168688eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 168788eea45cSKlaus Jensen int ret; 168888eea45cSKlaus Jensen 168988eea45cSKlaus Jensen /* 169088eea45cSKlaus Jensen * `pnum` holds the number of bytes after offset that shares the same 169188eea45cSKlaus Jensen * allocation status as the byte at offset. If `pnum` is different from 169288eea45cSKlaus Jensen * `bytes`, we should check the allocation status of the next range and 169388eea45cSKlaus Jensen * continue this until all bytes have been checked. 169488eea45cSKlaus Jensen */ 169588eea45cSKlaus Jensen do { 169688eea45cSKlaus Jensen bytes -= pnum; 169788eea45cSKlaus Jensen 169888eea45cSKlaus Jensen ret = bdrv_block_status(bs, offset, bytes, &pnum, NULL, NULL); 169988eea45cSKlaus Jensen if (ret < 0) { 1700ff0ac2c8SKlaus Jensen return ret; 170188eea45cSKlaus Jensen } 170288eea45cSKlaus Jensen 170388eea45cSKlaus Jensen 1704ff0ac2c8SKlaus Jensen trace_pci_nvme_block_status(offset, bytes, pnum, ret, 1705ff0ac2c8SKlaus Jensen !!(ret & BDRV_BLOCK_ZERO)); 170688eea45cSKlaus Jensen 1707ff0ac2c8SKlaus Jensen if (!(ret & flags)) { 1708ff0ac2c8SKlaus Jensen return 1; 170988eea45cSKlaus Jensen } 171088eea45cSKlaus Jensen 171188eea45cSKlaus Jensen offset += pnum; 171288eea45cSKlaus Jensen } while (pnum != bytes); 171388eea45cSKlaus Jensen 1714ff0ac2c8SKlaus Jensen return 0; 1715ff0ac2c8SKlaus Jensen } 1716ff0ac2c8SKlaus Jensen 1717ff0ac2c8SKlaus Jensen static uint16_t nvme_check_dulbe(NvmeNamespace *ns, uint64_t slba, 1718ff0ac2c8SKlaus Jensen uint32_t nlb) 1719ff0ac2c8SKlaus Jensen { 1720ff0ac2c8SKlaus Jensen int ret; 1721ff0ac2c8SKlaus Jensen Error *err = NULL; 1722ff0ac2c8SKlaus Jensen 1723ff0ac2c8SKlaus Jensen ret = nvme_block_status_all(ns, slba, nlb, BDRV_BLOCK_DATA); 1724ff0ac2c8SKlaus Jensen if (ret) { 1725ff0ac2c8SKlaus Jensen if (ret < 0) { 1726ff0ac2c8SKlaus Jensen error_setg_errno(&err, -ret, "unable to get block status"); 1727ff0ac2c8SKlaus Jensen error_report_err(err); 1728ff0ac2c8SKlaus Jensen 1729ff0ac2c8SKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 1730ff0ac2c8SKlaus Jensen } 1731ff0ac2c8SKlaus Jensen 1732ff0ac2c8SKlaus Jensen return NVME_DULB; 1733ff0ac2c8SKlaus Jensen } 1734ff0ac2c8SKlaus Jensen 173588eea45cSKlaus Jensen return NVME_SUCCESS; 173688eea45cSKlaus Jensen } 173788eea45cSKlaus Jensen 173888eea45cSKlaus Jensen static void nvme_aio_err(NvmeRequest *req, int ret) 173988eea45cSKlaus Jensen { 174088eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 174188eea45cSKlaus Jensen Error *local_err = NULL; 174288eea45cSKlaus Jensen 174388eea45cSKlaus Jensen switch (req->cmd.opcode) { 174488eea45cSKlaus Jensen case NVME_CMD_READ: 174588eea45cSKlaus Jensen status = NVME_UNRECOVERED_READ; 174688eea45cSKlaus Jensen break; 174788eea45cSKlaus Jensen case NVME_CMD_FLUSH: 174888eea45cSKlaus Jensen case NVME_CMD_WRITE: 174988eea45cSKlaus Jensen case NVME_CMD_WRITE_ZEROES: 175088eea45cSKlaus Jensen case NVME_CMD_ZONE_APPEND: 175188eea45cSKlaus Jensen status = NVME_WRITE_FAULT; 175288eea45cSKlaus Jensen break; 175388eea45cSKlaus Jensen default: 175488eea45cSKlaus Jensen status = NVME_INTERNAL_DEV_ERROR; 175588eea45cSKlaus Jensen break; 175688eea45cSKlaus Jensen } 175788eea45cSKlaus Jensen 175888eea45cSKlaus Jensen trace_pci_nvme_err_aio(nvme_cid(req), strerror(-ret), status); 175988eea45cSKlaus Jensen 176088eea45cSKlaus Jensen error_setg_errno(&local_err, -ret, "aio failed"); 176188eea45cSKlaus Jensen error_report_err(local_err); 176288eea45cSKlaus Jensen 176388eea45cSKlaus Jensen /* 176488eea45cSKlaus Jensen * Set the command status code to the first encountered error but allow a 176588eea45cSKlaus Jensen * subsequent Internal Device Error to trump it. 176688eea45cSKlaus Jensen */ 176788eea45cSKlaus Jensen if (req->status && status != NVME_INTERNAL_DEV_ERROR) { 176888eea45cSKlaus Jensen return; 176988eea45cSKlaus Jensen } 177088eea45cSKlaus Jensen 177188eea45cSKlaus Jensen req->status = status; 177288eea45cSKlaus Jensen } 177388eea45cSKlaus Jensen 177488eea45cSKlaus Jensen static inline uint32_t nvme_zone_idx(NvmeNamespace *ns, uint64_t slba) 177588eea45cSKlaus Jensen { 177688eea45cSKlaus Jensen return ns->zone_size_log2 > 0 ? slba >> ns->zone_size_log2 : 177788eea45cSKlaus Jensen slba / ns->zone_size; 177888eea45cSKlaus Jensen } 177988eea45cSKlaus Jensen 178088eea45cSKlaus Jensen static inline NvmeZone *nvme_get_zone_by_slba(NvmeNamespace *ns, uint64_t slba) 178188eea45cSKlaus Jensen { 178288eea45cSKlaus Jensen uint32_t zone_idx = nvme_zone_idx(ns, slba); 178388eea45cSKlaus Jensen 1784189a8bf7SKlaus Jensen if (zone_idx >= ns->num_zones) { 1785189a8bf7SKlaus Jensen return NULL; 1786189a8bf7SKlaus Jensen } 1787189a8bf7SKlaus Jensen 178888eea45cSKlaus Jensen return &ns->zone_array[zone_idx]; 178988eea45cSKlaus Jensen } 179088eea45cSKlaus Jensen 179188eea45cSKlaus Jensen static uint16_t nvme_check_zone_state_for_write(NvmeZone *zone) 179288eea45cSKlaus Jensen { 179388eea45cSKlaus Jensen uint64_t zslba = zone->d.zslba; 179488eea45cSKlaus Jensen 179588eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 179688eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 179788eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 179888eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 179988eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 180088eea45cSKlaus Jensen return NVME_SUCCESS; 180188eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 180288eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_full(zslba); 180388eea45cSKlaus Jensen return NVME_ZONE_FULL; 180488eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 180588eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_offline(zslba); 180688eea45cSKlaus Jensen return NVME_ZONE_OFFLINE; 180788eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 180888eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_read_only(zslba); 180988eea45cSKlaus Jensen return NVME_ZONE_READ_ONLY; 181088eea45cSKlaus Jensen default: 181188eea45cSKlaus Jensen assert(false); 181288eea45cSKlaus Jensen } 181388eea45cSKlaus Jensen 181488eea45cSKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 181588eea45cSKlaus Jensen } 181688eea45cSKlaus Jensen 181788eea45cSKlaus Jensen static uint16_t nvme_check_zone_write(NvmeNamespace *ns, NvmeZone *zone, 181888eea45cSKlaus Jensen uint64_t slba, uint32_t nlb) 181988eea45cSKlaus Jensen { 182088eea45cSKlaus Jensen uint64_t zcap = nvme_zone_wr_boundary(zone); 182188eea45cSKlaus Jensen uint16_t status; 182288eea45cSKlaus Jensen 182388eea45cSKlaus Jensen status = nvme_check_zone_state_for_write(zone); 182488eea45cSKlaus Jensen if (status) { 182588eea45cSKlaus Jensen return status; 182688eea45cSKlaus Jensen } 182788eea45cSKlaus Jensen 1828e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1829e321b4cdSKlaus Jensen uint64_t ezrwa = zone->w_ptr + 2 * ns->zns.zrwas; 1830e321b4cdSKlaus Jensen 1831e321b4cdSKlaus Jensen if (slba < zone->w_ptr || slba + nlb > ezrwa) { 1832e321b4cdSKlaus Jensen trace_pci_nvme_err_zone_invalid_write(slba, zone->w_ptr); 183388eea45cSKlaus Jensen return NVME_ZONE_INVALID_WRITE; 183488eea45cSKlaus Jensen } 1835e321b4cdSKlaus Jensen } else { 1836e321b4cdSKlaus Jensen if (unlikely(slba != zone->w_ptr)) { 1837e321b4cdSKlaus Jensen trace_pci_nvme_err_write_not_at_wp(slba, zone->d.zslba, 1838e321b4cdSKlaus Jensen zone->w_ptr); 1839e321b4cdSKlaus Jensen return NVME_ZONE_INVALID_WRITE; 1840e321b4cdSKlaus Jensen } 1841e321b4cdSKlaus Jensen } 184288eea45cSKlaus Jensen 184388eea45cSKlaus Jensen if (unlikely((slba + nlb) > zcap)) { 184488eea45cSKlaus Jensen trace_pci_nvme_err_zone_boundary(slba, nlb, zcap); 184588eea45cSKlaus Jensen return NVME_ZONE_BOUNDARY_ERROR; 184688eea45cSKlaus Jensen } 184788eea45cSKlaus Jensen 184888eea45cSKlaus Jensen return NVME_SUCCESS; 184988eea45cSKlaus Jensen } 185088eea45cSKlaus Jensen 185188eea45cSKlaus Jensen static uint16_t nvme_check_zone_state_for_read(NvmeZone *zone) 185288eea45cSKlaus Jensen { 185388eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 185488eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 185588eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 185688eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 185788eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 185888eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 185988eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 186088eea45cSKlaus Jensen return NVME_SUCCESS; 186188eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 186288eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_offline(zone->d.zslba); 186388eea45cSKlaus Jensen return NVME_ZONE_OFFLINE; 186488eea45cSKlaus Jensen default: 186588eea45cSKlaus Jensen assert(false); 186688eea45cSKlaus Jensen } 186788eea45cSKlaus Jensen 186888eea45cSKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 186988eea45cSKlaus Jensen } 187088eea45cSKlaus Jensen 187188eea45cSKlaus Jensen static uint16_t nvme_check_zone_read(NvmeNamespace *ns, uint64_t slba, 187288eea45cSKlaus Jensen uint32_t nlb) 187388eea45cSKlaus Jensen { 1874189a8bf7SKlaus Jensen NvmeZone *zone; 1875189a8bf7SKlaus Jensen uint64_t bndry, end; 187688eea45cSKlaus Jensen uint16_t status; 187788eea45cSKlaus Jensen 1878189a8bf7SKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 1879189a8bf7SKlaus Jensen assert(zone); 1880189a8bf7SKlaus Jensen 1881189a8bf7SKlaus Jensen bndry = nvme_zone_rd_boundary(ns, zone); 1882189a8bf7SKlaus Jensen end = slba + nlb; 1883189a8bf7SKlaus Jensen 188488eea45cSKlaus Jensen status = nvme_check_zone_state_for_read(zone); 188588eea45cSKlaus Jensen if (status) { 188688eea45cSKlaus Jensen ; 188788eea45cSKlaus Jensen } else if (unlikely(end > bndry)) { 188888eea45cSKlaus Jensen if (!ns->params.cross_zone_read) { 188988eea45cSKlaus Jensen status = NVME_ZONE_BOUNDARY_ERROR; 189088eea45cSKlaus Jensen } else { 189188eea45cSKlaus Jensen /* 189288eea45cSKlaus Jensen * Read across zone boundary - check that all subsequent 189388eea45cSKlaus Jensen * zones that are being read have an appropriate state. 189488eea45cSKlaus Jensen */ 189588eea45cSKlaus Jensen do { 189688eea45cSKlaus Jensen zone++; 189788eea45cSKlaus Jensen status = nvme_check_zone_state_for_read(zone); 189888eea45cSKlaus Jensen if (status) { 189988eea45cSKlaus Jensen break; 190088eea45cSKlaus Jensen } 190188eea45cSKlaus Jensen } while (end > nvme_zone_rd_boundary(ns, zone)); 190288eea45cSKlaus Jensen } 190388eea45cSKlaus Jensen } 190488eea45cSKlaus Jensen 190588eea45cSKlaus Jensen return status; 190688eea45cSKlaus Jensen } 190788eea45cSKlaus Jensen 190888eea45cSKlaus Jensen static uint16_t nvme_zrm_finish(NvmeNamespace *ns, NvmeZone *zone) 190988eea45cSKlaus Jensen { 191088eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 191188eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 191288eea45cSKlaus Jensen return NVME_SUCCESS; 191388eea45cSKlaus Jensen 191488eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 191588eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 191688eea45cSKlaus Jensen nvme_aor_dec_open(ns); 191788eea45cSKlaus Jensen /* fallthrough */ 191888eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 191988eea45cSKlaus Jensen nvme_aor_dec_active(ns); 1920e321b4cdSKlaus Jensen 1921e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1922e321b4cdSKlaus Jensen zone->d.za &= ~NVME_ZA_ZRWA_VALID; 1923e321b4cdSKlaus Jensen if (ns->params.numzrwa) { 1924e321b4cdSKlaus Jensen ns->zns.numzrwa++; 1925e321b4cdSKlaus Jensen } 1926e321b4cdSKlaus Jensen } 1927e321b4cdSKlaus Jensen 192888eea45cSKlaus Jensen /* fallthrough */ 192988eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 193088eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_FULL); 193188eea45cSKlaus Jensen return NVME_SUCCESS; 193288eea45cSKlaus Jensen 193388eea45cSKlaus Jensen default: 193488eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 193588eea45cSKlaus Jensen } 193688eea45cSKlaus Jensen } 193788eea45cSKlaus Jensen 193888eea45cSKlaus Jensen static uint16_t nvme_zrm_close(NvmeNamespace *ns, NvmeZone *zone) 193988eea45cSKlaus Jensen { 194088eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 194188eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 194288eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 194388eea45cSKlaus Jensen nvme_aor_dec_open(ns); 194488eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_CLOSED); 194588eea45cSKlaus Jensen /* fall through */ 194688eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 194788eea45cSKlaus Jensen return NVME_SUCCESS; 194888eea45cSKlaus Jensen 194988eea45cSKlaus Jensen default: 195088eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 195188eea45cSKlaus Jensen } 195288eea45cSKlaus Jensen } 195388eea45cSKlaus Jensen 195463d96e4fSKlaus Jensen static uint16_t nvme_zrm_reset(NvmeNamespace *ns, NvmeZone *zone) 195563d96e4fSKlaus Jensen { 195663d96e4fSKlaus Jensen switch (nvme_get_zone_state(zone)) { 195763d96e4fSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 195863d96e4fSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 195963d96e4fSKlaus Jensen nvme_aor_dec_open(ns); 196063d96e4fSKlaus Jensen /* fallthrough */ 196163d96e4fSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 196263d96e4fSKlaus Jensen nvme_aor_dec_active(ns); 1963e321b4cdSKlaus Jensen 1964e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1965e321b4cdSKlaus Jensen if (ns->params.numzrwa) { 1966e321b4cdSKlaus Jensen ns->zns.numzrwa++; 1967e321b4cdSKlaus Jensen } 1968e321b4cdSKlaus Jensen } 1969e321b4cdSKlaus Jensen 197063d96e4fSKlaus Jensen /* fallthrough */ 197163d96e4fSKlaus Jensen case NVME_ZONE_STATE_FULL: 197263d96e4fSKlaus Jensen zone->w_ptr = zone->d.zslba; 197363d96e4fSKlaus Jensen zone->d.wp = zone->w_ptr; 197463d96e4fSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_EMPTY); 197563d96e4fSKlaus Jensen /* fallthrough */ 197663d96e4fSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 197763d96e4fSKlaus Jensen return NVME_SUCCESS; 197863d96e4fSKlaus Jensen 197963d96e4fSKlaus Jensen default: 198063d96e4fSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 198163d96e4fSKlaus Jensen } 198263d96e4fSKlaus Jensen } 198363d96e4fSKlaus Jensen 198488eea45cSKlaus Jensen static void nvme_zrm_auto_transition_zone(NvmeNamespace *ns) 198588eea45cSKlaus Jensen { 198688eea45cSKlaus Jensen NvmeZone *zone; 198788eea45cSKlaus Jensen 198888eea45cSKlaus Jensen if (ns->params.max_open_zones && 198988eea45cSKlaus Jensen ns->nr_open_zones == ns->params.max_open_zones) { 199088eea45cSKlaus Jensen zone = QTAILQ_FIRST(&ns->imp_open_zones); 199188eea45cSKlaus Jensen if (zone) { 199288eea45cSKlaus Jensen /* 199388eea45cSKlaus Jensen * Automatically close this implicitly open zone. 199488eea45cSKlaus Jensen */ 199588eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->imp_open_zones, zone, entry); 199688eea45cSKlaus Jensen nvme_zrm_close(ns, zone); 199788eea45cSKlaus Jensen } 199888eea45cSKlaus Jensen } 199988eea45cSKlaus Jensen } 200088eea45cSKlaus Jensen 200188eea45cSKlaus Jensen enum { 200288eea45cSKlaus Jensen NVME_ZRM_AUTO = 1 << 0, 2003e321b4cdSKlaus Jensen NVME_ZRM_ZRWA = 1 << 1, 200488eea45cSKlaus Jensen }; 200588eea45cSKlaus Jensen 2006cccc2651SNiklas Cassel static uint16_t nvme_zrm_open_flags(NvmeCtrl *n, NvmeNamespace *ns, 2007cccc2651SNiklas Cassel NvmeZone *zone, int flags) 200888eea45cSKlaus Jensen { 200988eea45cSKlaus Jensen int act = 0; 201088eea45cSKlaus Jensen uint16_t status; 201188eea45cSKlaus Jensen 201288eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 201388eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 201488eea45cSKlaus Jensen act = 1; 201588eea45cSKlaus Jensen 201688eea45cSKlaus Jensen /* fallthrough */ 201788eea45cSKlaus Jensen 201888eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 2019cccc2651SNiklas Cassel if (n->params.auto_transition_zones) { 202088eea45cSKlaus Jensen nvme_zrm_auto_transition_zone(ns); 2021cccc2651SNiklas Cassel } 2022e321b4cdSKlaus Jensen status = nvme_zns_check_resources(ns, act, 1, 2023e321b4cdSKlaus Jensen (flags & NVME_ZRM_ZRWA) ? 1 : 0); 202488eea45cSKlaus Jensen if (status) { 202588eea45cSKlaus Jensen return status; 202688eea45cSKlaus Jensen } 202788eea45cSKlaus Jensen 202888eea45cSKlaus Jensen if (act) { 202988eea45cSKlaus Jensen nvme_aor_inc_active(ns); 203088eea45cSKlaus Jensen } 203188eea45cSKlaus Jensen 203288eea45cSKlaus Jensen nvme_aor_inc_open(ns); 203388eea45cSKlaus Jensen 203488eea45cSKlaus Jensen if (flags & NVME_ZRM_AUTO) { 203588eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_IMPLICITLY_OPEN); 203688eea45cSKlaus Jensen return NVME_SUCCESS; 203788eea45cSKlaus Jensen } 203888eea45cSKlaus Jensen 203988eea45cSKlaus Jensen /* fallthrough */ 204088eea45cSKlaus Jensen 204188eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 204288eea45cSKlaus Jensen if (flags & NVME_ZRM_AUTO) { 204388eea45cSKlaus Jensen return NVME_SUCCESS; 204488eea45cSKlaus Jensen } 204588eea45cSKlaus Jensen 204688eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_EXPLICITLY_OPEN); 204788eea45cSKlaus Jensen 204888eea45cSKlaus Jensen /* fallthrough */ 204988eea45cSKlaus Jensen 205088eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 2051e321b4cdSKlaus Jensen if (flags & NVME_ZRM_ZRWA) { 2052e321b4cdSKlaus Jensen ns->zns.numzrwa--; 2053e321b4cdSKlaus Jensen 2054e321b4cdSKlaus Jensen zone->d.za |= NVME_ZA_ZRWA_VALID; 2055e321b4cdSKlaus Jensen } 2056e321b4cdSKlaus Jensen 205788eea45cSKlaus Jensen return NVME_SUCCESS; 205888eea45cSKlaus Jensen 205988eea45cSKlaus Jensen default: 206088eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 206188eea45cSKlaus Jensen } 206288eea45cSKlaus Jensen } 206388eea45cSKlaus Jensen 2064cccc2651SNiklas Cassel static inline uint16_t nvme_zrm_auto(NvmeCtrl *n, NvmeNamespace *ns, 2065cccc2651SNiklas Cassel NvmeZone *zone) 206688eea45cSKlaus Jensen { 2067cccc2651SNiklas Cassel return nvme_zrm_open_flags(n, ns, zone, NVME_ZRM_AUTO); 206888eea45cSKlaus Jensen } 206988eea45cSKlaus Jensen 207088eea45cSKlaus Jensen static void nvme_advance_zone_wp(NvmeNamespace *ns, NvmeZone *zone, 207188eea45cSKlaus Jensen uint32_t nlb) 207288eea45cSKlaus Jensen { 207388eea45cSKlaus Jensen zone->d.wp += nlb; 207488eea45cSKlaus Jensen 207588eea45cSKlaus Jensen if (zone->d.wp == nvme_zone_wr_boundary(zone)) { 207688eea45cSKlaus Jensen nvme_zrm_finish(ns, zone); 207788eea45cSKlaus Jensen } 207888eea45cSKlaus Jensen } 207988eea45cSKlaus Jensen 2080e321b4cdSKlaus Jensen static void nvme_zoned_zrwa_implicit_flush(NvmeNamespace *ns, NvmeZone *zone, 2081e321b4cdSKlaus Jensen uint32_t nlbc) 2082e321b4cdSKlaus Jensen { 2083e321b4cdSKlaus Jensen uint16_t nzrwafgs = DIV_ROUND_UP(nlbc, ns->zns.zrwafg); 2084e321b4cdSKlaus Jensen 2085e321b4cdSKlaus Jensen nlbc = nzrwafgs * ns->zns.zrwafg; 2086e321b4cdSKlaus Jensen 2087e321b4cdSKlaus Jensen trace_pci_nvme_zoned_zrwa_implicit_flush(zone->d.zslba, nlbc); 2088e321b4cdSKlaus Jensen 2089e321b4cdSKlaus Jensen zone->w_ptr += nlbc; 2090e321b4cdSKlaus Jensen 2091e321b4cdSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlbc); 2092e321b4cdSKlaus Jensen } 2093e321b4cdSKlaus Jensen 209488eea45cSKlaus Jensen static void nvme_finalize_zoned_write(NvmeNamespace *ns, NvmeRequest *req) 209588eea45cSKlaus Jensen { 209688eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 209788eea45cSKlaus Jensen NvmeZone *zone; 209888eea45cSKlaus Jensen uint64_t slba; 209988eea45cSKlaus Jensen uint32_t nlb; 210088eea45cSKlaus Jensen 210188eea45cSKlaus Jensen slba = le64_to_cpu(rw->slba); 210288eea45cSKlaus Jensen nlb = le16_to_cpu(rw->nlb) + 1; 210388eea45cSKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 2104189a8bf7SKlaus Jensen assert(zone); 210588eea45cSKlaus Jensen 2106e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 2107e321b4cdSKlaus Jensen uint64_t ezrwa = zone->w_ptr + ns->zns.zrwas - 1; 2108e321b4cdSKlaus Jensen uint64_t elba = slba + nlb - 1; 2109e321b4cdSKlaus Jensen 2110e321b4cdSKlaus Jensen if (elba > ezrwa) { 2111e321b4cdSKlaus Jensen nvme_zoned_zrwa_implicit_flush(ns, zone, elba - ezrwa); 2112e321b4cdSKlaus Jensen } 2113e321b4cdSKlaus Jensen 2114e321b4cdSKlaus Jensen return; 2115e321b4cdSKlaus Jensen } 2116e321b4cdSKlaus Jensen 211788eea45cSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlb); 211888eea45cSKlaus Jensen } 211988eea45cSKlaus Jensen 212088eea45cSKlaus Jensen static inline bool nvme_is_write(NvmeRequest *req) 212188eea45cSKlaus Jensen { 212288eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 212388eea45cSKlaus Jensen 212488eea45cSKlaus Jensen return rw->opcode == NVME_CMD_WRITE || 212588eea45cSKlaus Jensen rw->opcode == NVME_CMD_ZONE_APPEND || 212688eea45cSKlaus Jensen rw->opcode == NVME_CMD_WRITE_ZEROES; 212788eea45cSKlaus Jensen } 212888eea45cSKlaus Jensen 212938f4ac65SKlaus Jensen static AioContext *nvme_get_aio_context(BlockAIOCB *acb) 213038f4ac65SKlaus Jensen { 213138f4ac65SKlaus Jensen return qemu_get_aio_context(); 213238f4ac65SKlaus Jensen } 213338f4ac65SKlaus Jensen 213488eea45cSKlaus Jensen static void nvme_misc_cb(void *opaque, int ret) 213588eea45cSKlaus Jensen { 213688eea45cSKlaus Jensen NvmeRequest *req = opaque; 213788eea45cSKlaus Jensen 213838f4ac65SKlaus Jensen trace_pci_nvme_misc_cb(nvme_cid(req)); 213988eea45cSKlaus Jensen 214088eea45cSKlaus Jensen if (ret) { 214188eea45cSKlaus Jensen nvme_aio_err(req, ret); 214288eea45cSKlaus Jensen } 214388eea45cSKlaus Jensen 214488eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 214588eea45cSKlaus Jensen } 214688eea45cSKlaus Jensen 214788eea45cSKlaus Jensen void nvme_rw_complete_cb(void *opaque, int ret) 214888eea45cSKlaus Jensen { 214988eea45cSKlaus Jensen NvmeRequest *req = opaque; 215088eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 215188eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 215288eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 215388eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 215488eea45cSKlaus Jensen 215588eea45cSKlaus Jensen trace_pci_nvme_rw_complete_cb(nvme_cid(req), blk_name(blk)); 215688eea45cSKlaus Jensen 215788eea45cSKlaus Jensen if (ret) { 215888eea45cSKlaus Jensen block_acct_failed(stats, acct); 215988eea45cSKlaus Jensen nvme_aio_err(req, ret); 216088eea45cSKlaus Jensen } else { 216188eea45cSKlaus Jensen block_acct_done(stats, acct); 216288eea45cSKlaus Jensen } 216388eea45cSKlaus Jensen 216488eea45cSKlaus Jensen if (ns->params.zoned && nvme_is_write(req)) { 216588eea45cSKlaus Jensen nvme_finalize_zoned_write(ns, req); 216688eea45cSKlaus Jensen } 216788eea45cSKlaus Jensen 216888eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 216988eea45cSKlaus Jensen } 217088eea45cSKlaus Jensen 217188eea45cSKlaus Jensen static void nvme_rw_cb(void *opaque, int ret) 217288eea45cSKlaus Jensen { 217388eea45cSKlaus Jensen NvmeRequest *req = opaque; 217488eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 217588eea45cSKlaus Jensen 217688eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 217788eea45cSKlaus Jensen 217888eea45cSKlaus Jensen trace_pci_nvme_rw_cb(nvme_cid(req), blk_name(blk)); 217988eea45cSKlaus Jensen 218088eea45cSKlaus Jensen if (ret) { 218188eea45cSKlaus Jensen goto out; 218288eea45cSKlaus Jensen } 218388eea45cSKlaus Jensen 218488eea45cSKlaus Jensen if (ns->lbaf.ms) { 218588eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 218688eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 218788eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 218888eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 218988eea45cSKlaus Jensen 219088eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_WRITE_ZEROES) { 219188eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 219288eea45cSKlaus Jensen 219388eea45cSKlaus Jensen req->aiocb = blk_aio_pwrite_zeroes(blk, offset, mlen, 219488eea45cSKlaus Jensen BDRV_REQ_MAY_UNMAP, 219588eea45cSKlaus Jensen nvme_rw_complete_cb, req); 219688eea45cSKlaus Jensen return; 219788eea45cSKlaus Jensen } 219888eea45cSKlaus Jensen 219988eea45cSKlaus Jensen if (nvme_ns_ext(ns) || req->cmd.mptr) { 220088eea45cSKlaus Jensen uint16_t status; 220188eea45cSKlaus Jensen 220288eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 220388eea45cSKlaus Jensen status = nvme_map_mdata(nvme_ctrl(req), nlb, req); 220488eea45cSKlaus Jensen if (status) { 220588eea45cSKlaus Jensen ret = -EFAULT; 220688eea45cSKlaus Jensen goto out; 220788eea45cSKlaus Jensen } 220888eea45cSKlaus Jensen 220988eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_READ) { 22109b4f0181SMateusz Kozlowski return nvme_blk_read(blk, offset, 1, nvme_rw_complete_cb, req); 221188eea45cSKlaus Jensen } 221288eea45cSKlaus Jensen 22139b4f0181SMateusz Kozlowski return nvme_blk_write(blk, offset, 1, nvme_rw_complete_cb, req); 221488eea45cSKlaus Jensen } 221588eea45cSKlaus Jensen } 221688eea45cSKlaus Jensen 221788eea45cSKlaus Jensen out: 221888eea45cSKlaus Jensen nvme_rw_complete_cb(req, ret); 221988eea45cSKlaus Jensen } 222088eea45cSKlaus Jensen 222188eea45cSKlaus Jensen static void nvme_verify_cb(void *opaque, int ret) 222288eea45cSKlaus Jensen { 222388eea45cSKlaus Jensen NvmeBounceContext *ctx = opaque; 222488eea45cSKlaus Jensen NvmeRequest *req = ctx->req; 222588eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 222688eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 222788eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 222888eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 222988eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 223088eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 22312a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 223288eea45cSKlaus Jensen uint16_t apptag = le16_to_cpu(rw->apptag); 223388eea45cSKlaus Jensen uint16_t appmask = le16_to_cpu(rw->appmask); 223444219b60SNaveen Nagar uint64_t reftag = le32_to_cpu(rw->reftag); 223544219b60SNaveen Nagar uint64_t cdw3 = le32_to_cpu(rw->cdw3); 223688eea45cSKlaus Jensen uint16_t status; 223788eea45cSKlaus Jensen 223844219b60SNaveen Nagar reftag |= cdw3 << 32; 223944219b60SNaveen Nagar 22402a132309SKlaus Jensen trace_pci_nvme_verify_cb(nvme_cid(req), prinfo, apptag, appmask, reftag); 224188eea45cSKlaus Jensen 224288eea45cSKlaus Jensen if (ret) { 224388eea45cSKlaus Jensen block_acct_failed(stats, acct); 224488eea45cSKlaus Jensen nvme_aio_err(req, ret); 224588eea45cSKlaus Jensen goto out; 224688eea45cSKlaus Jensen } 224788eea45cSKlaus Jensen 224888eea45cSKlaus Jensen block_acct_done(stats, acct); 224988eea45cSKlaus Jensen 225088eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 225188eea45cSKlaus Jensen status = nvme_dif_mangle_mdata(ns, ctx->mdata.bounce, 225288eea45cSKlaus Jensen ctx->mdata.iov.size, slba); 225388eea45cSKlaus Jensen if (status) { 225488eea45cSKlaus Jensen req->status = status; 225588eea45cSKlaus Jensen goto out; 225688eea45cSKlaus Jensen } 225788eea45cSKlaus Jensen 225888eea45cSKlaus Jensen req->status = nvme_dif_check(ns, ctx->data.bounce, ctx->data.iov.size, 225988eea45cSKlaus Jensen ctx->mdata.bounce, ctx->mdata.iov.size, 22602a132309SKlaus Jensen prinfo, slba, apptag, appmask, &reftag); 226188eea45cSKlaus Jensen } 226288eea45cSKlaus Jensen 226388eea45cSKlaus Jensen out: 226488eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 226588eea45cSKlaus Jensen g_free(ctx->data.bounce); 226688eea45cSKlaus Jensen 226788eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->mdata.iov); 226888eea45cSKlaus Jensen g_free(ctx->mdata.bounce); 226988eea45cSKlaus Jensen 227088eea45cSKlaus Jensen g_free(ctx); 227188eea45cSKlaus Jensen 227288eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 227388eea45cSKlaus Jensen } 227488eea45cSKlaus Jensen 227588eea45cSKlaus Jensen 227688eea45cSKlaus Jensen static void nvme_verify_mdata_in_cb(void *opaque, int ret) 227788eea45cSKlaus Jensen { 227888eea45cSKlaus Jensen NvmeBounceContext *ctx = opaque; 227988eea45cSKlaus Jensen NvmeRequest *req = ctx->req; 228088eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 228188eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 228288eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 228388eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 228488eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 228588eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 228688eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 228788eea45cSKlaus Jensen 228888eea45cSKlaus Jensen trace_pci_nvme_verify_mdata_in_cb(nvme_cid(req), blk_name(blk)); 228988eea45cSKlaus Jensen 229088eea45cSKlaus Jensen if (ret) { 229188eea45cSKlaus Jensen goto out; 229288eea45cSKlaus Jensen } 229388eea45cSKlaus Jensen 229488eea45cSKlaus Jensen ctx->mdata.bounce = g_malloc(mlen); 229588eea45cSKlaus Jensen 229688eea45cSKlaus Jensen qemu_iovec_reset(&ctx->mdata.iov); 229788eea45cSKlaus Jensen qemu_iovec_add(&ctx->mdata.iov, ctx->mdata.bounce, mlen); 229888eea45cSKlaus Jensen 229988eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->mdata.iov, 0, 230088eea45cSKlaus Jensen nvme_verify_cb, ctx); 230188eea45cSKlaus Jensen return; 230288eea45cSKlaus Jensen 230388eea45cSKlaus Jensen out: 230488eea45cSKlaus Jensen nvme_verify_cb(ctx, ret); 230588eea45cSKlaus Jensen } 230688eea45cSKlaus Jensen 230788eea45cSKlaus Jensen struct nvme_compare_ctx { 230888eea45cSKlaus Jensen struct { 230988eea45cSKlaus Jensen QEMUIOVector iov; 231088eea45cSKlaus Jensen uint8_t *bounce; 231188eea45cSKlaus Jensen } data; 231288eea45cSKlaus Jensen 231388eea45cSKlaus Jensen struct { 231488eea45cSKlaus Jensen QEMUIOVector iov; 231588eea45cSKlaus Jensen uint8_t *bounce; 231688eea45cSKlaus Jensen } mdata; 231788eea45cSKlaus Jensen }; 231888eea45cSKlaus Jensen 231988eea45cSKlaus Jensen static void nvme_compare_mdata_cb(void *opaque, int ret) 232088eea45cSKlaus Jensen { 232188eea45cSKlaus Jensen NvmeRequest *req = opaque; 232288eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 232388eea45cSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 232488eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 23252a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 232688eea45cSKlaus Jensen uint16_t apptag = le16_to_cpu(rw->apptag); 232788eea45cSKlaus Jensen uint16_t appmask = le16_to_cpu(rw->appmask); 232844219b60SNaveen Nagar uint64_t reftag = le32_to_cpu(rw->reftag); 232944219b60SNaveen Nagar uint64_t cdw3 = le32_to_cpu(rw->cdw3); 233088eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = req->opaque; 233188eea45cSKlaus Jensen g_autofree uint8_t *buf = NULL; 233288eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 233388eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 233488eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 233588eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 233688eea45cSKlaus Jensen 233744219b60SNaveen Nagar reftag |= cdw3 << 32; 233844219b60SNaveen Nagar 233988eea45cSKlaus Jensen trace_pci_nvme_compare_mdata_cb(nvme_cid(req)); 234088eea45cSKlaus Jensen 234188eea45cSKlaus Jensen if (ret) { 234288eea45cSKlaus Jensen block_acct_failed(stats, acct); 234388eea45cSKlaus Jensen nvme_aio_err(req, ret); 234488eea45cSKlaus Jensen goto out; 234588eea45cSKlaus Jensen } 234688eea45cSKlaus Jensen 234788eea45cSKlaus Jensen buf = g_malloc(ctx->mdata.iov.size); 234888eea45cSKlaus Jensen 234988eea45cSKlaus Jensen status = nvme_bounce_mdata(n, buf, ctx->mdata.iov.size, 235088eea45cSKlaus Jensen NVME_TX_DIRECTION_TO_DEVICE, req); 235188eea45cSKlaus Jensen if (status) { 235288eea45cSKlaus Jensen req->status = status; 235388eea45cSKlaus Jensen goto out; 235488eea45cSKlaus Jensen } 235588eea45cSKlaus Jensen 235688eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 235788eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 235888eea45cSKlaus Jensen uint8_t *bufp; 235988eea45cSKlaus Jensen uint8_t *mbufp = ctx->mdata.bounce; 236088eea45cSKlaus Jensen uint8_t *end = mbufp + ctx->mdata.iov.size; 236188eea45cSKlaus Jensen int16_t pil = 0; 236288eea45cSKlaus Jensen 236388eea45cSKlaus Jensen status = nvme_dif_check(ns, ctx->data.bounce, ctx->data.iov.size, 23642a132309SKlaus Jensen ctx->mdata.bounce, ctx->mdata.iov.size, prinfo, 23650ca5c3ccSKlaus Jensen slba, apptag, appmask, &reftag); 236688eea45cSKlaus Jensen if (status) { 236788eea45cSKlaus Jensen req->status = status; 236888eea45cSKlaus Jensen goto out; 236988eea45cSKlaus Jensen } 237088eea45cSKlaus Jensen 237188eea45cSKlaus Jensen /* 237288eea45cSKlaus Jensen * When formatted with protection information, do not compare the DIF 237388eea45cSKlaus Jensen * tuple. 237488eea45cSKlaus Jensen */ 237588eea45cSKlaus Jensen if (!(ns->id_ns.dps & NVME_ID_NS_DPS_FIRST_EIGHT)) { 2376ac0b34c5SKlaus Jensen pil = ns->lbaf.ms - nvme_pi_tuple_size(ns); 237788eea45cSKlaus Jensen } 237888eea45cSKlaus Jensen 237988eea45cSKlaus Jensen for (bufp = buf; mbufp < end; bufp += ns->lbaf.ms, mbufp += ns->lbaf.ms) { 238088eea45cSKlaus Jensen if (memcmp(bufp + pil, mbufp + pil, ns->lbaf.ms - pil)) { 2381ca2a0918SKlaus Jensen req->status = NVME_CMP_FAILURE | NVME_DNR; 238288eea45cSKlaus Jensen goto out; 238388eea45cSKlaus Jensen } 238488eea45cSKlaus Jensen } 238588eea45cSKlaus Jensen 238688eea45cSKlaus Jensen goto out; 238788eea45cSKlaus Jensen } 238888eea45cSKlaus Jensen 238988eea45cSKlaus Jensen if (memcmp(buf, ctx->mdata.bounce, ctx->mdata.iov.size)) { 2390ca2a0918SKlaus Jensen req->status = NVME_CMP_FAILURE | NVME_DNR; 239188eea45cSKlaus Jensen goto out; 239288eea45cSKlaus Jensen } 239388eea45cSKlaus Jensen 239488eea45cSKlaus Jensen block_acct_done(stats, acct); 239588eea45cSKlaus Jensen 239688eea45cSKlaus Jensen out: 239788eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 239888eea45cSKlaus Jensen g_free(ctx->data.bounce); 239988eea45cSKlaus Jensen 240088eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->mdata.iov); 240188eea45cSKlaus Jensen g_free(ctx->mdata.bounce); 240288eea45cSKlaus Jensen 240388eea45cSKlaus Jensen g_free(ctx); 240488eea45cSKlaus Jensen 240588eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 240688eea45cSKlaus Jensen } 240788eea45cSKlaus Jensen 240888eea45cSKlaus Jensen static void nvme_compare_data_cb(void *opaque, int ret) 240988eea45cSKlaus Jensen { 241088eea45cSKlaus Jensen NvmeRequest *req = opaque; 241188eea45cSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 241288eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 241388eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 241488eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 241588eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 241688eea45cSKlaus Jensen 241788eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = req->opaque; 241888eea45cSKlaus Jensen g_autofree uint8_t *buf = NULL; 241988eea45cSKlaus Jensen uint16_t status; 242088eea45cSKlaus Jensen 242188eea45cSKlaus Jensen trace_pci_nvme_compare_data_cb(nvme_cid(req)); 242288eea45cSKlaus Jensen 242388eea45cSKlaus Jensen if (ret) { 242488eea45cSKlaus Jensen block_acct_failed(stats, acct); 242588eea45cSKlaus Jensen nvme_aio_err(req, ret); 242688eea45cSKlaus Jensen goto out; 242788eea45cSKlaus Jensen } 242888eea45cSKlaus Jensen 242988eea45cSKlaus Jensen buf = g_malloc(ctx->data.iov.size); 243088eea45cSKlaus Jensen 243188eea45cSKlaus Jensen status = nvme_bounce_data(n, buf, ctx->data.iov.size, 243288eea45cSKlaus Jensen NVME_TX_DIRECTION_TO_DEVICE, req); 243388eea45cSKlaus Jensen if (status) { 243488eea45cSKlaus Jensen req->status = status; 243588eea45cSKlaus Jensen goto out; 243688eea45cSKlaus Jensen } 243788eea45cSKlaus Jensen 243888eea45cSKlaus Jensen if (memcmp(buf, ctx->data.bounce, ctx->data.iov.size)) { 2439ca2a0918SKlaus Jensen req->status = NVME_CMP_FAILURE | NVME_DNR; 244088eea45cSKlaus Jensen goto out; 244188eea45cSKlaus Jensen } 244288eea45cSKlaus Jensen 244388eea45cSKlaus Jensen if (ns->lbaf.ms) { 244488eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 244588eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 244688eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 244788eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 244888eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 244988eea45cSKlaus Jensen 245088eea45cSKlaus Jensen ctx->mdata.bounce = g_malloc(mlen); 245188eea45cSKlaus Jensen 245288eea45cSKlaus Jensen qemu_iovec_init(&ctx->mdata.iov, 1); 245388eea45cSKlaus Jensen qemu_iovec_add(&ctx->mdata.iov, ctx->mdata.bounce, mlen); 245488eea45cSKlaus Jensen 245588eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->mdata.iov, 0, 245688eea45cSKlaus Jensen nvme_compare_mdata_cb, req); 245788eea45cSKlaus Jensen return; 245888eea45cSKlaus Jensen } 245988eea45cSKlaus Jensen 246088eea45cSKlaus Jensen block_acct_done(stats, acct); 246188eea45cSKlaus Jensen 246288eea45cSKlaus Jensen out: 246388eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 246488eea45cSKlaus Jensen g_free(ctx->data.bounce); 246588eea45cSKlaus Jensen g_free(ctx); 246688eea45cSKlaus Jensen 246788eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 246888eea45cSKlaus Jensen } 246988eea45cSKlaus Jensen 2470d7d1474fSKlaus Jensen typedef struct NvmeDSMAIOCB { 2471d7d1474fSKlaus Jensen BlockAIOCB common; 2472d7d1474fSKlaus Jensen BlockAIOCB *aiocb; 2473d7d1474fSKlaus Jensen NvmeRequest *req; 2474d7d1474fSKlaus Jensen int ret; 2475d7d1474fSKlaus Jensen 2476d7d1474fSKlaus Jensen NvmeDsmRange *range; 2477d7d1474fSKlaus Jensen unsigned int nr; 2478d7d1474fSKlaus Jensen unsigned int idx; 2479d7d1474fSKlaus Jensen } NvmeDSMAIOCB; 2480d7d1474fSKlaus Jensen 2481d7d1474fSKlaus Jensen static void nvme_dsm_cancel(BlockAIOCB *aiocb) 2482d7d1474fSKlaus Jensen { 2483d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = container_of(aiocb, NvmeDSMAIOCB, common); 2484d7d1474fSKlaus Jensen 2485d7d1474fSKlaus Jensen /* break nvme_dsm_cb loop */ 2486d7d1474fSKlaus Jensen iocb->idx = iocb->nr; 2487d7d1474fSKlaus Jensen iocb->ret = -ECANCELED; 2488d7d1474fSKlaus Jensen 2489d7d1474fSKlaus Jensen if (iocb->aiocb) { 2490d7d1474fSKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 2491d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2492d7d1474fSKlaus Jensen } else { 2493d7d1474fSKlaus Jensen /* 2494d7d1474fSKlaus Jensen * We only reach this if nvme_dsm_cancel() has already been called or 2495818b9b8fSKlaus Jensen * the command ran to completion. 2496d7d1474fSKlaus Jensen */ 2497d7d1474fSKlaus Jensen assert(iocb->idx == iocb->nr); 2498d7d1474fSKlaus Jensen } 2499d7d1474fSKlaus Jensen } 2500d7d1474fSKlaus Jensen 2501d7d1474fSKlaus Jensen static const AIOCBInfo nvme_dsm_aiocb_info = { 2502d7d1474fSKlaus Jensen .aiocb_size = sizeof(NvmeDSMAIOCB), 2503d7d1474fSKlaus Jensen .cancel_async = nvme_dsm_cancel, 2504d7d1474fSKlaus Jensen }; 2505d7d1474fSKlaus Jensen 2506d7d1474fSKlaus Jensen static void nvme_dsm_cb(void *opaque, int ret); 2507d7d1474fSKlaus Jensen 2508d7d1474fSKlaus Jensen static void nvme_dsm_md_cb(void *opaque, int ret) 2509d7d1474fSKlaus Jensen { 2510d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2511d7d1474fSKlaus Jensen NvmeRequest *req = iocb->req; 2512d7d1474fSKlaus Jensen NvmeNamespace *ns = req->ns; 2513d7d1474fSKlaus Jensen NvmeDsmRange *range; 2514d7d1474fSKlaus Jensen uint64_t slba; 2515d7d1474fSKlaus Jensen uint32_t nlb; 2516d7d1474fSKlaus Jensen 2517818b9b8fSKlaus Jensen if (ret < 0 || iocb->ret < 0 || !ns->lbaf.ms) { 2518d7d1474fSKlaus Jensen goto done; 2519d7d1474fSKlaus Jensen } 2520d7d1474fSKlaus Jensen 2521d7d1474fSKlaus Jensen range = &iocb->range[iocb->idx - 1]; 2522d7d1474fSKlaus Jensen slba = le64_to_cpu(range->slba); 2523d7d1474fSKlaus Jensen nlb = le32_to_cpu(range->nlb); 2524d7d1474fSKlaus Jensen 2525d7d1474fSKlaus Jensen /* 2526d7d1474fSKlaus Jensen * Check that all block were discarded (zeroed); otherwise we do not zero 2527d7d1474fSKlaus Jensen * the metadata. 2528d7d1474fSKlaus Jensen */ 2529d7d1474fSKlaus Jensen 2530d7d1474fSKlaus Jensen ret = nvme_block_status_all(ns, slba, nlb, BDRV_BLOCK_ZERO); 2531d7d1474fSKlaus Jensen if (ret) { 2532d7d1474fSKlaus Jensen if (ret < 0) { 2533d7d1474fSKlaus Jensen goto done; 2534d7d1474fSKlaus Jensen } 2535d7d1474fSKlaus Jensen 2536d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 253751c45326SDmitry Tikhov return; 2538d7d1474fSKlaus Jensen } 2539d7d1474fSKlaus Jensen 2540d7d1474fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, nvme_moff(ns, slba), 2541d7d1474fSKlaus Jensen nvme_m2b(ns, nlb), BDRV_REQ_MAY_UNMAP, 2542d7d1474fSKlaus Jensen nvme_dsm_cb, iocb); 2543d7d1474fSKlaus Jensen return; 2544d7d1474fSKlaus Jensen 2545d7d1474fSKlaus Jensen done: 2546818b9b8fSKlaus Jensen nvme_dsm_cb(iocb, ret); 2547d7d1474fSKlaus Jensen } 2548d7d1474fSKlaus Jensen 2549d7d1474fSKlaus Jensen static void nvme_dsm_cb(void *opaque, int ret) 2550d7d1474fSKlaus Jensen { 2551d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2552d7d1474fSKlaus Jensen NvmeRequest *req = iocb->req; 2553d7d1474fSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 2554d7d1474fSKlaus Jensen NvmeNamespace *ns = req->ns; 2555d7d1474fSKlaus Jensen NvmeDsmRange *range; 2556d7d1474fSKlaus Jensen uint64_t slba; 2557d7d1474fSKlaus Jensen uint32_t nlb; 2558d7d1474fSKlaus Jensen 2559818b9b8fSKlaus Jensen if (iocb->ret < 0) { 2560818b9b8fSKlaus Jensen goto done; 2561818b9b8fSKlaus Jensen } else if (ret < 0) { 2562d7d1474fSKlaus Jensen iocb->ret = ret; 2563d7d1474fSKlaus Jensen goto done; 2564d7d1474fSKlaus Jensen } 2565d7d1474fSKlaus Jensen 2566d7d1474fSKlaus Jensen next: 2567d7d1474fSKlaus Jensen if (iocb->idx == iocb->nr) { 2568d7d1474fSKlaus Jensen goto done; 2569d7d1474fSKlaus Jensen } 2570d7d1474fSKlaus Jensen 2571d7d1474fSKlaus Jensen range = &iocb->range[iocb->idx++]; 2572d7d1474fSKlaus Jensen slba = le64_to_cpu(range->slba); 2573d7d1474fSKlaus Jensen nlb = le32_to_cpu(range->nlb); 2574d7d1474fSKlaus Jensen 2575d7d1474fSKlaus Jensen trace_pci_nvme_dsm_deallocate(slba, nlb); 2576d7d1474fSKlaus Jensen 2577d7d1474fSKlaus Jensen if (nlb > n->dmrsl) { 2578d7d1474fSKlaus Jensen trace_pci_nvme_dsm_single_range_limit_exceeded(nlb, n->dmrsl); 2579d7d1474fSKlaus Jensen goto next; 2580d7d1474fSKlaus Jensen } 2581d7d1474fSKlaus Jensen 2582d7d1474fSKlaus Jensen if (nvme_check_bounds(ns, slba, nlb)) { 2583d7d1474fSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(slba, nlb, 2584d7d1474fSKlaus Jensen ns->id_ns.nsze); 2585d7d1474fSKlaus Jensen goto next; 2586d7d1474fSKlaus Jensen } 2587d7d1474fSKlaus Jensen 2588d7d1474fSKlaus Jensen iocb->aiocb = blk_aio_pdiscard(ns->blkconf.blk, nvme_l2b(ns, slba), 2589d7d1474fSKlaus Jensen nvme_l2b(ns, nlb), 2590d7d1474fSKlaus Jensen nvme_dsm_md_cb, iocb); 2591d7d1474fSKlaus Jensen return; 2592d7d1474fSKlaus Jensen 2593d7d1474fSKlaus Jensen done: 2594d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2595818b9b8fSKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 2596818b9b8fSKlaus Jensen qemu_aio_unref(iocb); 2597d7d1474fSKlaus Jensen } 2598d7d1474fSKlaus Jensen 259988eea45cSKlaus Jensen static uint16_t nvme_dsm(NvmeCtrl *n, NvmeRequest *req) 260088eea45cSKlaus Jensen { 260188eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 260288eea45cSKlaus Jensen NvmeDsmCmd *dsm = (NvmeDsmCmd *) &req->cmd; 260388eea45cSKlaus Jensen uint32_t attr = le32_to_cpu(dsm->attributes); 260488eea45cSKlaus Jensen uint32_t nr = (le32_to_cpu(dsm->nr) & 0xff) + 1; 260588eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 260688eea45cSKlaus Jensen 2607d7d1474fSKlaus Jensen trace_pci_nvme_dsm(nr, attr); 260888eea45cSKlaus Jensen 260988eea45cSKlaus Jensen if (attr & NVME_DSMGMT_AD) { 2610d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = blk_aio_get(&nvme_dsm_aiocb_info, ns->blkconf.blk, 2611d7d1474fSKlaus Jensen nvme_misc_cb, req); 261288eea45cSKlaus Jensen 2613d7d1474fSKlaus Jensen iocb->req = req; 2614d7d1474fSKlaus Jensen iocb->ret = 0; 2615d7d1474fSKlaus Jensen iocb->range = g_new(NvmeDsmRange, nr); 2616d7d1474fSKlaus Jensen iocb->nr = nr; 2617d7d1474fSKlaus Jensen iocb->idx = 0; 2618d7d1474fSKlaus Jensen 2619d7d1474fSKlaus Jensen status = nvme_h2c(n, (uint8_t *)iocb->range, sizeof(NvmeDsmRange) * nr, 2620d7d1474fSKlaus Jensen req); 262188eea45cSKlaus Jensen if (status) { 26224b32319cSKlaus Jensen g_free(iocb->range); 26234b32319cSKlaus Jensen qemu_aio_unref(iocb); 26244b32319cSKlaus Jensen 262588eea45cSKlaus Jensen return status; 262688eea45cSKlaus Jensen } 262788eea45cSKlaus Jensen 2628d7d1474fSKlaus Jensen req->aiocb = &iocb->common; 2629d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 263088eea45cSKlaus Jensen 2631d7d1474fSKlaus Jensen return NVME_NO_COMPLETE; 263288eea45cSKlaus Jensen } 263388eea45cSKlaus Jensen 263488eea45cSKlaus Jensen return status; 263588eea45cSKlaus Jensen } 263688eea45cSKlaus Jensen 263788eea45cSKlaus Jensen static uint16_t nvme_verify(NvmeCtrl *n, NvmeRequest *req) 263888eea45cSKlaus Jensen { 263988eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 264088eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 264188eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 264288eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 264388eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 264488eea45cSKlaus Jensen size_t len = nvme_l2b(ns, nlb); 264588eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 26462a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 264788eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 264888eea45cSKlaus Jensen NvmeBounceContext *ctx = NULL; 264988eea45cSKlaus Jensen uint16_t status; 265088eea45cSKlaus Jensen 265188eea45cSKlaus Jensen trace_pci_nvme_verify(nvme_cid(req), nvme_nsid(ns), slba, nlb); 265288eea45cSKlaus Jensen 265388eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 26542a132309SKlaus Jensen status = nvme_check_prinfo(ns, prinfo, slba, reftag); 265588eea45cSKlaus Jensen if (status) { 265688eea45cSKlaus Jensen return status; 265788eea45cSKlaus Jensen } 265888eea45cSKlaus Jensen 26592a132309SKlaus Jensen if (prinfo & NVME_PRINFO_PRACT) { 266088eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 266188eea45cSKlaus Jensen } 266288eea45cSKlaus Jensen } 266388eea45cSKlaus Jensen 266488eea45cSKlaus Jensen if (len > n->page_size << n->params.vsl) { 266588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 266688eea45cSKlaus Jensen } 266788eea45cSKlaus Jensen 266888eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 266988eea45cSKlaus Jensen if (status) { 267088eea45cSKlaus Jensen return status; 267188eea45cSKlaus Jensen } 267288eea45cSKlaus Jensen 267388eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 267488eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 267588eea45cSKlaus Jensen if (status) { 267688eea45cSKlaus Jensen return status; 267788eea45cSKlaus Jensen } 267888eea45cSKlaus Jensen } 267988eea45cSKlaus Jensen 268088eea45cSKlaus Jensen ctx = g_new0(NvmeBounceContext, 1); 268188eea45cSKlaus Jensen ctx->req = req; 268288eea45cSKlaus Jensen 268388eea45cSKlaus Jensen ctx->data.bounce = g_malloc(len); 268488eea45cSKlaus Jensen 268588eea45cSKlaus Jensen qemu_iovec_init(&ctx->data.iov, 1); 268688eea45cSKlaus Jensen qemu_iovec_add(&ctx->data.iov, ctx->data.bounce, len); 268788eea45cSKlaus Jensen 268888eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, ctx->data.iov.size, 268988eea45cSKlaus Jensen BLOCK_ACCT_READ); 269088eea45cSKlaus Jensen 269188eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(ns->blkconf.blk, offset, &ctx->data.iov, 0, 269288eea45cSKlaus Jensen nvme_verify_mdata_in_cb, ctx); 269388eea45cSKlaus Jensen return NVME_NO_COMPLETE; 269488eea45cSKlaus Jensen } 269588eea45cSKlaus Jensen 2696796d2068SKlaus Jensen typedef struct NvmeCopyAIOCB { 2697796d2068SKlaus Jensen BlockAIOCB common; 2698796d2068SKlaus Jensen BlockAIOCB *aiocb; 2699796d2068SKlaus Jensen NvmeRequest *req; 2700796d2068SKlaus Jensen int ret; 2701796d2068SKlaus Jensen 270244219b60SNaveen Nagar void *ranges; 270344219b60SNaveen Nagar unsigned int format; 2704796d2068SKlaus Jensen int nr; 2705796d2068SKlaus Jensen int idx; 2706796d2068SKlaus Jensen 2707796d2068SKlaus Jensen uint8_t *bounce; 2708796d2068SKlaus Jensen QEMUIOVector iov; 2709796d2068SKlaus Jensen struct { 2710796d2068SKlaus Jensen BlockAcctCookie read; 2711796d2068SKlaus Jensen BlockAcctCookie write; 2712796d2068SKlaus Jensen } acct; 2713796d2068SKlaus Jensen 271444219b60SNaveen Nagar uint64_t reftag; 2715796d2068SKlaus Jensen uint64_t slba; 2716796d2068SKlaus Jensen 2717796d2068SKlaus Jensen NvmeZone *zone; 2718796d2068SKlaus Jensen } NvmeCopyAIOCB; 2719796d2068SKlaus Jensen 2720796d2068SKlaus Jensen static void nvme_copy_cancel(BlockAIOCB *aiocb) 272188eea45cSKlaus Jensen { 2722796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = container_of(aiocb, NvmeCopyAIOCB, common); 2723796d2068SKlaus Jensen 2724796d2068SKlaus Jensen iocb->ret = -ECANCELED; 2725796d2068SKlaus Jensen 2726796d2068SKlaus Jensen if (iocb->aiocb) { 2727796d2068SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 2728796d2068SKlaus Jensen iocb->aiocb = NULL; 2729796d2068SKlaus Jensen } 2730796d2068SKlaus Jensen } 2731796d2068SKlaus Jensen 2732796d2068SKlaus Jensen static const AIOCBInfo nvme_copy_aiocb_info = { 2733796d2068SKlaus Jensen .aiocb_size = sizeof(NvmeCopyAIOCB), 2734796d2068SKlaus Jensen .cancel_async = nvme_copy_cancel, 2735796d2068SKlaus Jensen }; 2736796d2068SKlaus Jensen 273783f56ac3SKlaus Jensen static void nvme_copy_done(NvmeCopyAIOCB *iocb) 2738796d2068SKlaus Jensen { 2739796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 274088eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 2741796d2068SKlaus Jensen BlockAcctStats *stats = blk_get_stats(ns->blkconf.blk); 2742796d2068SKlaus Jensen 2743796d2068SKlaus Jensen if (iocb->idx != iocb->nr) { 2744796d2068SKlaus Jensen req->cqe.result = cpu_to_le32(iocb->idx); 2745796d2068SKlaus Jensen } 2746796d2068SKlaus Jensen 2747796d2068SKlaus Jensen qemu_iovec_destroy(&iocb->iov); 2748796d2068SKlaus Jensen g_free(iocb->bounce); 2749796d2068SKlaus Jensen 2750796d2068SKlaus Jensen if (iocb->ret < 0) { 2751796d2068SKlaus Jensen block_acct_failed(stats, &iocb->acct.read); 2752796d2068SKlaus Jensen block_acct_failed(stats, &iocb->acct.write); 2753796d2068SKlaus Jensen } else { 2754796d2068SKlaus Jensen block_acct_done(stats, &iocb->acct.read); 2755796d2068SKlaus Jensen block_acct_done(stats, &iocb->acct.write); 2756796d2068SKlaus Jensen } 2757796d2068SKlaus Jensen 2758796d2068SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 2759796d2068SKlaus Jensen qemu_aio_unref(iocb); 2760796d2068SKlaus Jensen } 2761796d2068SKlaus Jensen 276283f56ac3SKlaus Jensen static void nvme_do_copy(NvmeCopyAIOCB *iocb); 2763796d2068SKlaus Jensen 276444219b60SNaveen Nagar static void nvme_copy_source_range_parse_format0(void *ranges, int idx, 276544219b60SNaveen Nagar uint64_t *slba, uint32_t *nlb, 276644219b60SNaveen Nagar uint16_t *apptag, 276744219b60SNaveen Nagar uint16_t *appmask, 276844219b60SNaveen Nagar uint64_t *reftag) 276944219b60SNaveen Nagar { 277044219b60SNaveen Nagar NvmeCopySourceRangeFormat0 *_ranges = ranges; 277144219b60SNaveen Nagar 277244219b60SNaveen Nagar if (slba) { 277344219b60SNaveen Nagar *slba = le64_to_cpu(_ranges[idx].slba); 277444219b60SNaveen Nagar } 277544219b60SNaveen Nagar 277644219b60SNaveen Nagar if (nlb) { 277744219b60SNaveen Nagar *nlb = le16_to_cpu(_ranges[idx].nlb) + 1; 277844219b60SNaveen Nagar } 277944219b60SNaveen Nagar 278044219b60SNaveen Nagar if (apptag) { 278144219b60SNaveen Nagar *apptag = le16_to_cpu(_ranges[idx].apptag); 278244219b60SNaveen Nagar } 278344219b60SNaveen Nagar 278444219b60SNaveen Nagar if (appmask) { 278544219b60SNaveen Nagar *appmask = le16_to_cpu(_ranges[idx].appmask); 278644219b60SNaveen Nagar } 278744219b60SNaveen Nagar 278844219b60SNaveen Nagar if (reftag) { 278944219b60SNaveen Nagar *reftag = le32_to_cpu(_ranges[idx].reftag); 279044219b60SNaveen Nagar } 279144219b60SNaveen Nagar } 279244219b60SNaveen Nagar 279344219b60SNaveen Nagar static void nvme_copy_source_range_parse_format1(void *ranges, int idx, 279444219b60SNaveen Nagar uint64_t *slba, uint32_t *nlb, 279544219b60SNaveen Nagar uint16_t *apptag, 279644219b60SNaveen Nagar uint16_t *appmask, 279744219b60SNaveen Nagar uint64_t *reftag) 279844219b60SNaveen Nagar { 279944219b60SNaveen Nagar NvmeCopySourceRangeFormat1 *_ranges = ranges; 280044219b60SNaveen Nagar 280144219b60SNaveen Nagar if (slba) { 280244219b60SNaveen Nagar *slba = le64_to_cpu(_ranges[idx].slba); 280344219b60SNaveen Nagar } 280444219b60SNaveen Nagar 280544219b60SNaveen Nagar if (nlb) { 280644219b60SNaveen Nagar *nlb = le16_to_cpu(_ranges[idx].nlb) + 1; 280744219b60SNaveen Nagar } 280844219b60SNaveen Nagar 280944219b60SNaveen Nagar if (apptag) { 281044219b60SNaveen Nagar *apptag = le16_to_cpu(_ranges[idx].apptag); 281144219b60SNaveen Nagar } 281244219b60SNaveen Nagar 281344219b60SNaveen Nagar if (appmask) { 281444219b60SNaveen Nagar *appmask = le16_to_cpu(_ranges[idx].appmask); 281544219b60SNaveen Nagar } 281644219b60SNaveen Nagar 281744219b60SNaveen Nagar if (reftag) { 281844219b60SNaveen Nagar *reftag = 0; 281944219b60SNaveen Nagar 282044219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[4] << 40; 282144219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[5] << 32; 282244219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[6] << 24; 282344219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[7] << 16; 282444219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[8] << 8; 282544219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[9]; 282644219b60SNaveen Nagar } 282744219b60SNaveen Nagar } 282844219b60SNaveen Nagar 282944219b60SNaveen Nagar static void nvme_copy_source_range_parse(void *ranges, int idx, uint8_t format, 283044219b60SNaveen Nagar uint64_t *slba, uint32_t *nlb, 283144219b60SNaveen Nagar uint16_t *apptag, uint16_t *appmask, 283244219b60SNaveen Nagar uint64_t *reftag) 283344219b60SNaveen Nagar { 283444219b60SNaveen Nagar switch (format) { 283544219b60SNaveen Nagar case NVME_COPY_FORMAT_0: 283644219b60SNaveen Nagar nvme_copy_source_range_parse_format0(ranges, idx, slba, nlb, apptag, 283744219b60SNaveen Nagar appmask, reftag); 283844219b60SNaveen Nagar break; 283944219b60SNaveen Nagar 284044219b60SNaveen Nagar case NVME_COPY_FORMAT_1: 284144219b60SNaveen Nagar nvme_copy_source_range_parse_format1(ranges, idx, slba, nlb, apptag, 284244219b60SNaveen Nagar appmask, reftag); 284344219b60SNaveen Nagar break; 284444219b60SNaveen Nagar 284544219b60SNaveen Nagar default: 284644219b60SNaveen Nagar abort(); 284744219b60SNaveen Nagar } 284844219b60SNaveen Nagar } 284944219b60SNaveen Nagar 2850796d2068SKlaus Jensen static void nvme_copy_out_completed_cb(void *opaque, int ret) 2851796d2068SKlaus Jensen { 2852796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2853796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2854796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 285544219b60SNaveen Nagar uint32_t nlb; 285644219b60SNaveen Nagar 285744219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, NULL, 285844219b60SNaveen Nagar &nlb, NULL, NULL, NULL); 2859796d2068SKlaus Jensen 2860796d2068SKlaus Jensen if (ret < 0) { 2861796d2068SKlaus Jensen iocb->ret = ret; 2862796d2068SKlaus Jensen goto out; 2863796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2864796d2068SKlaus Jensen goto out; 2865796d2068SKlaus Jensen } 2866796d2068SKlaus Jensen 2867796d2068SKlaus Jensen if (ns->params.zoned) { 2868796d2068SKlaus Jensen nvme_advance_zone_wp(ns, iocb->zone, nlb); 2869796d2068SKlaus Jensen } 2870796d2068SKlaus Jensen 2871796d2068SKlaus Jensen iocb->idx++; 2872796d2068SKlaus Jensen iocb->slba += nlb; 2873796d2068SKlaus Jensen out: 287483f56ac3SKlaus Jensen nvme_do_copy(iocb); 2875796d2068SKlaus Jensen } 2876796d2068SKlaus Jensen 2877796d2068SKlaus Jensen static void nvme_copy_out_cb(void *opaque, int ret) 2878796d2068SKlaus Jensen { 2879796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2880796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2881796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2882796d2068SKlaus Jensen uint32_t nlb; 2883796d2068SKlaus Jensen size_t mlen; 2884796d2068SKlaus Jensen uint8_t *mbounce; 2885796d2068SKlaus Jensen 288683f56ac3SKlaus Jensen if (ret < 0 || iocb->ret < 0 || !ns->lbaf.ms) { 2887796d2068SKlaus Jensen goto out; 2888796d2068SKlaus Jensen } 2889796d2068SKlaus Jensen 289044219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, NULL, 289144219b60SNaveen Nagar &nlb, NULL, NULL, NULL); 2892796d2068SKlaus Jensen 2893796d2068SKlaus Jensen mlen = nvme_m2b(ns, nlb); 2894796d2068SKlaus Jensen mbounce = iocb->bounce + nvme_l2b(ns, nlb); 2895796d2068SKlaus Jensen 2896796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2897796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, mbounce, mlen); 2898796d2068SKlaus Jensen 2899796d2068SKlaus Jensen iocb->aiocb = blk_aio_pwritev(ns->blkconf.blk, nvme_moff(ns, iocb->slba), 2900796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_out_completed_cb, 2901796d2068SKlaus Jensen iocb); 2902796d2068SKlaus Jensen 2903796d2068SKlaus Jensen return; 2904796d2068SKlaus Jensen 2905796d2068SKlaus Jensen out: 290683f56ac3SKlaus Jensen nvme_copy_out_completed_cb(iocb, ret); 2907796d2068SKlaus Jensen } 2908796d2068SKlaus Jensen 2909796d2068SKlaus Jensen static void nvme_copy_in_completed_cb(void *opaque, int ret) 2910796d2068SKlaus Jensen { 2911796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2912796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2913796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2914796d2068SKlaus Jensen uint32_t nlb; 291544219b60SNaveen Nagar uint64_t slba; 291644219b60SNaveen Nagar uint16_t apptag, appmask; 291744219b60SNaveen Nagar uint64_t reftag; 2918796d2068SKlaus Jensen size_t len; 2919796d2068SKlaus Jensen uint16_t status; 2920796d2068SKlaus Jensen 2921796d2068SKlaus Jensen if (ret < 0) { 2922796d2068SKlaus Jensen iocb->ret = ret; 2923796d2068SKlaus Jensen goto out; 2924796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2925796d2068SKlaus Jensen goto out; 2926796d2068SKlaus Jensen } 2927796d2068SKlaus Jensen 292844219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, &slba, 292944219b60SNaveen Nagar &nlb, &apptag, &appmask, &reftag); 2930796d2068SKlaus Jensen len = nvme_l2b(ns, nlb); 2931796d2068SKlaus Jensen 2932796d2068SKlaus Jensen trace_pci_nvme_copy_out(iocb->slba, nlb); 2933796d2068SKlaus Jensen 2934796d2068SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 293588eea45cSKlaus Jensen NvmeCopyCmd *copy = (NvmeCopyCmd *)&req->cmd; 293688eea45cSKlaus Jensen 2937796d2068SKlaus Jensen uint16_t prinfor = ((copy->control[0] >> 4) & 0xf); 2938796d2068SKlaus Jensen uint16_t prinfow = ((copy->control[2] >> 2) & 0xf); 293988eea45cSKlaus Jensen 2940796d2068SKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 2941796d2068SKlaus Jensen uint8_t *mbounce = iocb->bounce + nvme_l2b(ns, nlb); 2942796d2068SKlaus Jensen 29432e8f952aSDmitry Tikhov status = nvme_dif_mangle_mdata(ns, mbounce, mlen, slba); 29442e8f952aSDmitry Tikhov if (status) { 29452e8f952aSDmitry Tikhov goto invalid; 29462e8f952aSDmitry Tikhov } 2947796d2068SKlaus Jensen status = nvme_dif_check(ns, iocb->bounce, len, mbounce, mlen, prinfor, 2948796d2068SKlaus Jensen slba, apptag, appmask, &reftag); 2949796d2068SKlaus Jensen if (status) { 2950796d2068SKlaus Jensen goto invalid; 2951796d2068SKlaus Jensen } 2952796d2068SKlaus Jensen 2953796d2068SKlaus Jensen apptag = le16_to_cpu(copy->apptag); 2954796d2068SKlaus Jensen appmask = le16_to_cpu(copy->appmask); 2955796d2068SKlaus Jensen 2956796d2068SKlaus Jensen if (prinfow & NVME_PRINFO_PRACT) { 2957796d2068SKlaus Jensen status = nvme_check_prinfo(ns, prinfow, iocb->slba, iocb->reftag); 2958796d2068SKlaus Jensen if (status) { 2959796d2068SKlaus Jensen goto invalid; 2960796d2068SKlaus Jensen } 2961796d2068SKlaus Jensen 2962796d2068SKlaus Jensen nvme_dif_pract_generate_dif(ns, iocb->bounce, len, mbounce, mlen, 2963796d2068SKlaus Jensen apptag, &iocb->reftag); 2964796d2068SKlaus Jensen } else { 2965796d2068SKlaus Jensen status = nvme_dif_check(ns, iocb->bounce, len, mbounce, mlen, 2966796d2068SKlaus Jensen prinfow, iocb->slba, apptag, appmask, 2967796d2068SKlaus Jensen &iocb->reftag); 2968796d2068SKlaus Jensen if (status) { 2969796d2068SKlaus Jensen goto invalid; 2970796d2068SKlaus Jensen } 2971796d2068SKlaus Jensen } 2972796d2068SKlaus Jensen } 2973796d2068SKlaus Jensen 2974796d2068SKlaus Jensen status = nvme_check_bounds(ns, iocb->slba, nlb); 2975796d2068SKlaus Jensen if (status) { 2976796d2068SKlaus Jensen goto invalid; 2977796d2068SKlaus Jensen } 2978796d2068SKlaus Jensen 2979796d2068SKlaus Jensen if (ns->params.zoned) { 2980796d2068SKlaus Jensen status = nvme_check_zone_write(ns, iocb->zone, iocb->slba, nlb); 2981796d2068SKlaus Jensen if (status) { 2982796d2068SKlaus Jensen goto invalid; 2983796d2068SKlaus Jensen } 2984796d2068SKlaus Jensen 2985e321b4cdSKlaus Jensen if (!(iocb->zone->d.za & NVME_ZA_ZRWA_VALID)) { 2986796d2068SKlaus Jensen iocb->zone->w_ptr += nlb; 2987796d2068SKlaus Jensen } 2988e321b4cdSKlaus Jensen } 2989796d2068SKlaus Jensen 2990796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2991796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce, len); 2992796d2068SKlaus Jensen 2993796d2068SKlaus Jensen iocb->aiocb = blk_aio_pwritev(ns->blkconf.blk, nvme_l2b(ns, iocb->slba), 2994796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_out_cb, iocb); 2995796d2068SKlaus Jensen 2996796d2068SKlaus Jensen return; 2997796d2068SKlaus Jensen 2998796d2068SKlaus Jensen invalid: 2999796d2068SKlaus Jensen req->status = status; 300083f56ac3SKlaus Jensen iocb->ret = -1; 3001796d2068SKlaus Jensen out: 300283f56ac3SKlaus Jensen nvme_do_copy(iocb); 3003796d2068SKlaus Jensen } 3004796d2068SKlaus Jensen 3005796d2068SKlaus Jensen static void nvme_copy_in_cb(void *opaque, int ret) 3006796d2068SKlaus Jensen { 3007796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 3008796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 3009796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 3010796d2068SKlaus Jensen uint64_t slba; 3011796d2068SKlaus Jensen uint32_t nlb; 3012796d2068SKlaus Jensen 301383f56ac3SKlaus Jensen if (ret < 0 || iocb->ret < 0 || !ns->lbaf.ms) { 3014796d2068SKlaus Jensen goto out; 3015796d2068SKlaus Jensen } 3016796d2068SKlaus Jensen 301744219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, &slba, 301844219b60SNaveen Nagar &nlb, NULL, NULL, NULL); 3019796d2068SKlaus Jensen 3020796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 3021796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce + nvme_l2b(ns, nlb), 3022796d2068SKlaus Jensen nvme_m2b(ns, nlb)); 3023796d2068SKlaus Jensen 3024796d2068SKlaus Jensen iocb->aiocb = blk_aio_preadv(ns->blkconf.blk, nvme_moff(ns, slba), 3025796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_in_completed_cb, 3026796d2068SKlaus Jensen iocb); 3027796d2068SKlaus Jensen return; 3028796d2068SKlaus Jensen 3029796d2068SKlaus Jensen out: 303083f56ac3SKlaus Jensen nvme_copy_in_completed_cb(iocb, ret); 3031796d2068SKlaus Jensen } 3032796d2068SKlaus Jensen 303383f56ac3SKlaus Jensen static void nvme_do_copy(NvmeCopyAIOCB *iocb) 3034796d2068SKlaus Jensen { 3035796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 3036796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 3037796d2068SKlaus Jensen uint64_t slba; 3038796d2068SKlaus Jensen uint32_t nlb; 3039796d2068SKlaus Jensen size_t len; 304088eea45cSKlaus Jensen uint16_t status; 304188eea45cSKlaus Jensen 304283f56ac3SKlaus Jensen if (iocb->ret < 0) { 3043796d2068SKlaus Jensen goto done; 304488eea45cSKlaus Jensen } 304588eea45cSKlaus Jensen 3046796d2068SKlaus Jensen if (iocb->idx == iocb->nr) { 3047796d2068SKlaus Jensen goto done; 304888eea45cSKlaus Jensen } 304988eea45cSKlaus Jensen 305044219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, &slba, 305144219b60SNaveen Nagar &nlb, NULL, NULL, NULL); 3052796d2068SKlaus Jensen len = nvme_l2b(ns, nlb); 305388eea45cSKlaus Jensen 3054796d2068SKlaus Jensen trace_pci_nvme_copy_source_range(slba, nlb); 305588eea45cSKlaus Jensen 3056796d2068SKlaus Jensen if (nlb > le16_to_cpu(ns->id_ns.mssrl)) { 305788eea45cSKlaus Jensen status = NVME_CMD_SIZE_LIMIT | NVME_DNR; 3058796d2068SKlaus Jensen goto invalid; 305988eea45cSKlaus Jensen } 306088eea45cSKlaus Jensen 3061796d2068SKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 306288eea45cSKlaus Jensen if (status) { 3063796d2068SKlaus Jensen goto invalid; 306488eea45cSKlaus Jensen } 306588eea45cSKlaus Jensen 306688eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 3067796d2068SKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 306888eea45cSKlaus Jensen if (status) { 3069796d2068SKlaus Jensen goto invalid; 307088eea45cSKlaus Jensen } 307188eea45cSKlaus Jensen } 307288eea45cSKlaus Jensen 307388eea45cSKlaus Jensen if (ns->params.zoned) { 3074796d2068SKlaus Jensen status = nvme_check_zone_read(ns, slba, nlb); 307588eea45cSKlaus Jensen if (status) { 3076796d2068SKlaus Jensen goto invalid; 307788eea45cSKlaus Jensen } 307888eea45cSKlaus Jensen } 307988eea45cSKlaus Jensen 3080796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 3081796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce, len); 3082796d2068SKlaus Jensen 3083796d2068SKlaus Jensen iocb->aiocb = blk_aio_preadv(ns->blkconf.blk, nvme_l2b(ns, slba), 3084796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_in_cb, iocb); 3085796d2068SKlaus Jensen return; 3086796d2068SKlaus Jensen 3087796d2068SKlaus Jensen invalid: 3088796d2068SKlaus Jensen req->status = status; 308983f56ac3SKlaus Jensen iocb->ret = -1; 3090796d2068SKlaus Jensen done: 309183f56ac3SKlaus Jensen nvme_copy_done(iocb); 3092796d2068SKlaus Jensen } 3093796d2068SKlaus Jensen 3094796d2068SKlaus Jensen static uint16_t nvme_copy(NvmeCtrl *n, NvmeRequest *req) 3095796d2068SKlaus Jensen { 3096796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 3097796d2068SKlaus Jensen NvmeCopyCmd *copy = (NvmeCopyCmd *)&req->cmd; 3098796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = blk_aio_get(&nvme_copy_aiocb_info, ns->blkconf.blk, 3099796d2068SKlaus Jensen nvme_misc_cb, req); 3100796d2068SKlaus Jensen uint16_t nr = copy->nr + 1; 3101796d2068SKlaus Jensen uint8_t format = copy->control[0] & 0xf; 3102796d2068SKlaus Jensen uint16_t prinfor = ((copy->control[0] >> 4) & 0xf); 3103796d2068SKlaus Jensen uint16_t prinfow = ((copy->control[2] >> 2) & 0xf); 310444219b60SNaveen Nagar size_t len = sizeof(NvmeCopySourceRangeFormat0); 3105796d2068SKlaus Jensen 3106796d2068SKlaus Jensen uint16_t status; 3107796d2068SKlaus Jensen 3108796d2068SKlaus Jensen trace_pci_nvme_copy(nvme_cid(req), nvme_nsid(ns), nr, format); 3109796d2068SKlaus Jensen 3110796d2068SKlaus Jensen iocb->ranges = NULL; 3111796d2068SKlaus Jensen iocb->zone = NULL; 3112796d2068SKlaus Jensen 3113796d2068SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) && 3114796d2068SKlaus Jensen ((prinfor & NVME_PRINFO_PRACT) != (prinfow & NVME_PRINFO_PRACT))) { 3115796d2068SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 3116796d2068SKlaus Jensen goto invalid; 3117796d2068SKlaus Jensen } 3118796d2068SKlaus Jensen 3119796d2068SKlaus Jensen if (!(n->id_ctrl.ocfs & (1 << format))) { 3120796d2068SKlaus Jensen trace_pci_nvme_err_copy_invalid_format(format); 3121796d2068SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 3122796d2068SKlaus Jensen goto invalid; 3123796d2068SKlaus Jensen } 3124796d2068SKlaus Jensen 3125796d2068SKlaus Jensen if (nr > ns->id_ns.msrc + 1) { 312688eea45cSKlaus Jensen status = NVME_CMD_SIZE_LIMIT | NVME_DNR; 3127796d2068SKlaus Jensen goto invalid; 312888eea45cSKlaus Jensen } 312988eea45cSKlaus Jensen 3130632cb6cfSFrancis Pravin Antony Michael Raj if ((ns->pif == 0x0 && format != 0x0) || 3131632cb6cfSFrancis Pravin Antony Michael Raj (ns->pif != 0x0 && format != 0x1)) { 313244219b60SNaveen Nagar status = NVME_INVALID_FORMAT | NVME_DNR; 313344219b60SNaveen Nagar goto invalid; 313444219b60SNaveen Nagar } 3135796d2068SKlaus Jensen 313644219b60SNaveen Nagar if (ns->pif) { 313744219b60SNaveen Nagar len = sizeof(NvmeCopySourceRangeFormat1); 313844219b60SNaveen Nagar } 313944219b60SNaveen Nagar 314044219b60SNaveen Nagar iocb->format = format; 314144219b60SNaveen Nagar iocb->ranges = g_malloc_n(nr, len); 314244219b60SNaveen Nagar status = nvme_h2c(n, (uint8_t *)iocb->ranges, len * nr, req); 3143796d2068SKlaus Jensen if (status) { 3144796d2068SKlaus Jensen goto invalid; 314588eea45cSKlaus Jensen } 314688eea45cSKlaus Jensen 3147796d2068SKlaus Jensen iocb->slba = le64_to_cpu(copy->sdlba); 3148796d2068SKlaus Jensen 3149796d2068SKlaus Jensen if (ns->params.zoned) { 3150796d2068SKlaus Jensen iocb->zone = nvme_get_zone_by_slba(ns, iocb->slba); 3151796d2068SKlaus Jensen if (!iocb->zone) { 3152796d2068SKlaus Jensen status = NVME_LBA_RANGE | NVME_DNR; 3153796d2068SKlaus Jensen goto invalid; 3154796d2068SKlaus Jensen } 3155796d2068SKlaus Jensen 3156796d2068SKlaus Jensen status = nvme_zrm_auto(n, ns, iocb->zone); 3157796d2068SKlaus Jensen if (status) { 3158796d2068SKlaus Jensen goto invalid; 3159796d2068SKlaus Jensen } 3160796d2068SKlaus Jensen } 3161796d2068SKlaus Jensen 3162796d2068SKlaus Jensen iocb->req = req; 3163796d2068SKlaus Jensen iocb->ret = 0; 3164796d2068SKlaus Jensen iocb->nr = nr; 3165796d2068SKlaus Jensen iocb->idx = 0; 3166796d2068SKlaus Jensen iocb->reftag = le32_to_cpu(copy->reftag); 316744219b60SNaveen Nagar iocb->reftag |= (uint64_t)le32_to_cpu(copy->cdw3) << 32; 3168796d2068SKlaus Jensen iocb->bounce = g_malloc_n(le16_to_cpu(ns->id_ns.mssrl), 3169796d2068SKlaus Jensen ns->lbasz + ns->lbaf.ms); 3170796d2068SKlaus Jensen 3171796d2068SKlaus Jensen qemu_iovec_init(&iocb->iov, 1); 3172796d2068SKlaus Jensen 3173796d2068SKlaus Jensen block_acct_start(blk_get_stats(ns->blkconf.blk), &iocb->acct.read, 0, 317488eea45cSKlaus Jensen BLOCK_ACCT_READ); 3175796d2068SKlaus Jensen block_acct_start(blk_get_stats(ns->blkconf.blk), &iocb->acct.write, 0, 3176796d2068SKlaus Jensen BLOCK_ACCT_WRITE); 317788eea45cSKlaus Jensen 3178796d2068SKlaus Jensen req->aiocb = &iocb->common; 317983f56ac3SKlaus Jensen nvme_do_copy(iocb); 318088eea45cSKlaus Jensen 318188eea45cSKlaus Jensen return NVME_NO_COMPLETE; 318288eea45cSKlaus Jensen 3183796d2068SKlaus Jensen invalid: 3184796d2068SKlaus Jensen g_free(iocb->ranges); 3185796d2068SKlaus Jensen qemu_aio_unref(iocb); 318688eea45cSKlaus Jensen return status; 318788eea45cSKlaus Jensen } 318888eea45cSKlaus Jensen 318988eea45cSKlaus Jensen static uint16_t nvme_compare(NvmeCtrl *n, NvmeRequest *req) 319088eea45cSKlaus Jensen { 319188eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 319288eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 319388eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 319488eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 319588eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 31962a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 319788eea45cSKlaus Jensen size_t data_len = nvme_l2b(ns, nlb); 319888eea45cSKlaus Jensen size_t len = data_len; 319988eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 320088eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = NULL; 320188eea45cSKlaus Jensen uint16_t status; 320288eea45cSKlaus Jensen 320388eea45cSKlaus Jensen trace_pci_nvme_compare(nvme_cid(req), nvme_nsid(ns), slba, nlb); 320488eea45cSKlaus Jensen 32052a132309SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) && (prinfo & NVME_PRINFO_PRACT)) { 320688eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 320788eea45cSKlaus Jensen } 320888eea45cSKlaus Jensen 320988eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 321088eea45cSKlaus Jensen len += nvme_m2b(ns, nlb); 321188eea45cSKlaus Jensen } 321288eea45cSKlaus Jensen 321388eea45cSKlaus Jensen status = nvme_check_mdts(n, len); 321488eea45cSKlaus Jensen if (status) { 321588eea45cSKlaus Jensen return status; 321688eea45cSKlaus Jensen } 321788eea45cSKlaus Jensen 321888eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 321988eea45cSKlaus Jensen if (status) { 322088eea45cSKlaus Jensen return status; 322188eea45cSKlaus Jensen } 322288eea45cSKlaus Jensen 322388eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 322488eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 322588eea45cSKlaus Jensen if (status) { 322688eea45cSKlaus Jensen return status; 322788eea45cSKlaus Jensen } 322888eea45cSKlaus Jensen } 322988eea45cSKlaus Jensen 323088eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 323188eea45cSKlaus Jensen if (status) { 323288eea45cSKlaus Jensen return status; 323388eea45cSKlaus Jensen } 323488eea45cSKlaus Jensen 323588eea45cSKlaus Jensen ctx = g_new(struct nvme_compare_ctx, 1); 323688eea45cSKlaus Jensen ctx->data.bounce = g_malloc(data_len); 323788eea45cSKlaus Jensen 323888eea45cSKlaus Jensen req->opaque = ctx; 323988eea45cSKlaus Jensen 324088eea45cSKlaus Jensen qemu_iovec_init(&ctx->data.iov, 1); 324188eea45cSKlaus Jensen qemu_iovec_add(&ctx->data.iov, ctx->data.bounce, data_len); 324288eea45cSKlaus Jensen 324388eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_len, 324488eea45cSKlaus Jensen BLOCK_ACCT_READ); 324588eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->data.iov, 0, 324688eea45cSKlaus Jensen nvme_compare_data_cb, req); 324788eea45cSKlaus Jensen 324888eea45cSKlaus Jensen return NVME_NO_COMPLETE; 324988eea45cSKlaus Jensen } 325088eea45cSKlaus Jensen 325138f4ac65SKlaus Jensen typedef struct NvmeFlushAIOCB { 325238f4ac65SKlaus Jensen BlockAIOCB common; 325338f4ac65SKlaus Jensen BlockAIOCB *aiocb; 325438f4ac65SKlaus Jensen NvmeRequest *req; 325538f4ac65SKlaus Jensen int ret; 325638f4ac65SKlaus Jensen 325738f4ac65SKlaus Jensen NvmeNamespace *ns; 325838f4ac65SKlaus Jensen uint32_t nsid; 325938f4ac65SKlaus Jensen bool broadcast; 326038f4ac65SKlaus Jensen } NvmeFlushAIOCB; 326138f4ac65SKlaus Jensen 326238f4ac65SKlaus Jensen static void nvme_flush_cancel(BlockAIOCB *acb) 326338f4ac65SKlaus Jensen { 326438f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = container_of(acb, NvmeFlushAIOCB, common); 326538f4ac65SKlaus Jensen 326638f4ac65SKlaus Jensen iocb->ret = -ECANCELED; 326738f4ac65SKlaus Jensen 326838f4ac65SKlaus Jensen if (iocb->aiocb) { 326938f4ac65SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 32703dbc1708SKlaus Jensen iocb->aiocb = NULL; 327138f4ac65SKlaus Jensen } 327238f4ac65SKlaus Jensen } 327338f4ac65SKlaus Jensen 327438f4ac65SKlaus Jensen static const AIOCBInfo nvme_flush_aiocb_info = { 327538f4ac65SKlaus Jensen .aiocb_size = sizeof(NvmeFlushAIOCB), 327638f4ac65SKlaus Jensen .cancel_async = nvme_flush_cancel, 327738f4ac65SKlaus Jensen .get_aio_context = nvme_get_aio_context, 327838f4ac65SKlaus Jensen }; 327938f4ac65SKlaus Jensen 32803dbc1708SKlaus Jensen static void nvme_do_flush(NvmeFlushAIOCB *iocb); 32813dbc1708SKlaus Jensen 328238f4ac65SKlaus Jensen static void nvme_flush_ns_cb(void *opaque, int ret) 328338f4ac65SKlaus Jensen { 328438f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = opaque; 328538f4ac65SKlaus Jensen NvmeNamespace *ns = iocb->ns; 328638f4ac65SKlaus Jensen 328738f4ac65SKlaus Jensen if (ret < 0) { 328838f4ac65SKlaus Jensen iocb->ret = ret; 328938f4ac65SKlaus Jensen goto out; 329038f4ac65SKlaus Jensen } else if (iocb->ret < 0) { 329138f4ac65SKlaus Jensen goto out; 329238f4ac65SKlaus Jensen } 329338f4ac65SKlaus Jensen 329438f4ac65SKlaus Jensen if (ns) { 329538f4ac65SKlaus Jensen trace_pci_nvme_flush_ns(iocb->nsid); 329638f4ac65SKlaus Jensen 329738f4ac65SKlaus Jensen iocb->ns = NULL; 329838f4ac65SKlaus Jensen iocb->aiocb = blk_aio_flush(ns->blkconf.blk, nvme_flush_ns_cb, iocb); 329938f4ac65SKlaus Jensen return; 330038f4ac65SKlaus Jensen } 330138f4ac65SKlaus Jensen 330238f4ac65SKlaus Jensen out: 33033dbc1708SKlaus Jensen nvme_do_flush(iocb); 330438f4ac65SKlaus Jensen } 330538f4ac65SKlaus Jensen 33063dbc1708SKlaus Jensen static void nvme_do_flush(NvmeFlushAIOCB *iocb) 330738f4ac65SKlaus Jensen { 330838f4ac65SKlaus Jensen NvmeRequest *req = iocb->req; 330938f4ac65SKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 331038f4ac65SKlaus Jensen int i; 331138f4ac65SKlaus Jensen 331238f4ac65SKlaus Jensen if (iocb->ret < 0) { 331338f4ac65SKlaus Jensen goto done; 331438f4ac65SKlaus Jensen } 331538f4ac65SKlaus Jensen 331638f4ac65SKlaus Jensen if (iocb->broadcast) { 331738f4ac65SKlaus Jensen for (i = iocb->nsid + 1; i <= NVME_MAX_NAMESPACES; i++) { 331838f4ac65SKlaus Jensen iocb->ns = nvme_ns(n, i); 331938f4ac65SKlaus Jensen if (iocb->ns) { 332038f4ac65SKlaus Jensen iocb->nsid = i; 332138f4ac65SKlaus Jensen break; 332238f4ac65SKlaus Jensen } 332338f4ac65SKlaus Jensen } 332438f4ac65SKlaus Jensen } 332538f4ac65SKlaus Jensen 332638f4ac65SKlaus Jensen if (!iocb->ns) { 332738f4ac65SKlaus Jensen goto done; 332838f4ac65SKlaus Jensen } 332938f4ac65SKlaus Jensen 333038f4ac65SKlaus Jensen nvme_flush_ns_cb(iocb, 0); 333138f4ac65SKlaus Jensen return; 333238f4ac65SKlaus Jensen 333338f4ac65SKlaus Jensen done: 333438f4ac65SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 333538f4ac65SKlaus Jensen qemu_aio_unref(iocb); 333638f4ac65SKlaus Jensen } 333738f4ac65SKlaus Jensen 333888eea45cSKlaus Jensen static uint16_t nvme_flush(NvmeCtrl *n, NvmeRequest *req) 333988eea45cSKlaus Jensen { 334038f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb; 334188eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 334288eea45cSKlaus Jensen uint16_t status; 334388eea45cSKlaus Jensen 334438f4ac65SKlaus Jensen iocb = qemu_aio_get(&nvme_flush_aiocb_info, NULL, nvme_misc_cb, req); 334588eea45cSKlaus Jensen 334638f4ac65SKlaus Jensen iocb->req = req; 334738f4ac65SKlaus Jensen iocb->ret = 0; 334838f4ac65SKlaus Jensen iocb->ns = NULL; 334938f4ac65SKlaus Jensen iocb->nsid = 0; 335038f4ac65SKlaus Jensen iocb->broadcast = (nsid == NVME_NSID_BROADCAST); 335138f4ac65SKlaus Jensen 335238f4ac65SKlaus Jensen if (!iocb->broadcast) { 335338f4ac65SKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 335438f4ac65SKlaus Jensen status = NVME_INVALID_NSID | NVME_DNR; 335538f4ac65SKlaus Jensen goto out; 335688eea45cSKlaus Jensen } 335788eea45cSKlaus Jensen 335838f4ac65SKlaus Jensen iocb->ns = nvme_ns(n, nsid); 335938f4ac65SKlaus Jensen if (!iocb->ns) { 336038f4ac65SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 336138f4ac65SKlaus Jensen goto out; 336238f4ac65SKlaus Jensen } 336338f4ac65SKlaus Jensen 336438f4ac65SKlaus Jensen iocb->nsid = nsid; 336538f4ac65SKlaus Jensen } 336638f4ac65SKlaus Jensen 336738f4ac65SKlaus Jensen req->aiocb = &iocb->common; 33683dbc1708SKlaus Jensen nvme_do_flush(iocb); 336938f4ac65SKlaus Jensen 337088eea45cSKlaus Jensen return NVME_NO_COMPLETE; 337188eea45cSKlaus Jensen 337238f4ac65SKlaus Jensen out: 337338f4ac65SKlaus Jensen qemu_aio_unref(iocb); 337488eea45cSKlaus Jensen 337588eea45cSKlaus Jensen return status; 337688eea45cSKlaus Jensen } 337788eea45cSKlaus Jensen 337888eea45cSKlaus Jensen static uint16_t nvme_read(NvmeCtrl *n, NvmeRequest *req) 337988eea45cSKlaus Jensen { 338088eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 338188eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 338288eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 338388eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 33842a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 338588eea45cSKlaus Jensen uint64_t data_size = nvme_l2b(ns, nlb); 338688eea45cSKlaus Jensen uint64_t mapped_size = data_size; 338788eea45cSKlaus Jensen uint64_t data_offset; 338888eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 338988eea45cSKlaus Jensen uint16_t status; 339088eea45cSKlaus Jensen 339188eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 339288eea45cSKlaus Jensen mapped_size += nvme_m2b(ns, nlb); 339388eea45cSKlaus Jensen 339488eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 33952a132309SKlaus Jensen bool pract = prinfo & NVME_PRINFO_PRACT; 339688eea45cSKlaus Jensen 3397ac0b34c5SKlaus Jensen if (pract && ns->lbaf.ms == nvme_pi_tuple_size(ns)) { 339888eea45cSKlaus Jensen mapped_size = data_size; 339988eea45cSKlaus Jensen } 340088eea45cSKlaus Jensen } 340188eea45cSKlaus Jensen } 340288eea45cSKlaus Jensen 340388eea45cSKlaus Jensen trace_pci_nvme_read(nvme_cid(req), nvme_nsid(ns), nlb, mapped_size, slba); 340488eea45cSKlaus Jensen 340588eea45cSKlaus Jensen status = nvme_check_mdts(n, mapped_size); 340688eea45cSKlaus Jensen if (status) { 340788eea45cSKlaus Jensen goto invalid; 340888eea45cSKlaus Jensen } 340988eea45cSKlaus Jensen 341088eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 341188eea45cSKlaus Jensen if (status) { 341288eea45cSKlaus Jensen goto invalid; 341388eea45cSKlaus Jensen } 341488eea45cSKlaus Jensen 341588eea45cSKlaus Jensen if (ns->params.zoned) { 341688eea45cSKlaus Jensen status = nvme_check_zone_read(ns, slba, nlb); 341788eea45cSKlaus Jensen if (status) { 341888eea45cSKlaus Jensen trace_pci_nvme_err_zone_read_not_ok(slba, nlb, status); 341988eea45cSKlaus Jensen goto invalid; 342088eea45cSKlaus Jensen } 342188eea45cSKlaus Jensen } 342288eea45cSKlaus Jensen 342388eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 342488eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 342588eea45cSKlaus Jensen if (status) { 342688eea45cSKlaus Jensen goto invalid; 342788eea45cSKlaus Jensen } 342888eea45cSKlaus Jensen } 342988eea45cSKlaus Jensen 343088eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 343188eea45cSKlaus Jensen return nvme_dif_rw(n, req); 343288eea45cSKlaus Jensen } 343388eea45cSKlaus Jensen 343488eea45cSKlaus Jensen status = nvme_map_data(n, nlb, req); 343588eea45cSKlaus Jensen if (status) { 343688eea45cSKlaus Jensen goto invalid; 343788eea45cSKlaus Jensen } 343888eea45cSKlaus Jensen 343988eea45cSKlaus Jensen data_offset = nvme_l2b(ns, slba); 344088eea45cSKlaus Jensen 344188eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_size, 344288eea45cSKlaus Jensen BLOCK_ACCT_READ); 34439b4f0181SMateusz Kozlowski nvme_blk_read(blk, data_offset, BDRV_SECTOR_SIZE, nvme_rw_cb, req); 344488eea45cSKlaus Jensen return NVME_NO_COMPLETE; 344588eea45cSKlaus Jensen 344688eea45cSKlaus Jensen invalid: 344788eea45cSKlaus Jensen block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_READ); 344888eea45cSKlaus Jensen return status | NVME_DNR; 344988eea45cSKlaus Jensen } 345088eea45cSKlaus Jensen 345173064edfSJesper Devantier static void nvme_do_write_fdp(NvmeCtrl *n, NvmeRequest *req, uint64_t slba, 345273064edfSJesper Devantier uint32_t nlb) 345373064edfSJesper Devantier { 345473064edfSJesper Devantier NvmeNamespace *ns = req->ns; 345573064edfSJesper Devantier NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 345673064edfSJesper Devantier uint64_t data_size = nvme_l2b(ns, nlb); 345773064edfSJesper Devantier uint32_t dw12 = le32_to_cpu(req->cmd.cdw12); 345873064edfSJesper Devantier uint8_t dtype = (dw12 >> 20) & 0xf; 345973064edfSJesper Devantier uint16_t pid = le16_to_cpu(rw->dspec); 346073064edfSJesper Devantier uint16_t ph, rg, ruhid; 346173064edfSJesper Devantier NvmeReclaimUnit *ru; 346273064edfSJesper Devantier 346373064edfSJesper Devantier if (dtype != NVME_DIRECTIVE_DATA_PLACEMENT || 346473064edfSJesper Devantier !nvme_parse_pid(ns, pid, &ph, &rg)) { 346573064edfSJesper Devantier ph = 0; 346673064edfSJesper Devantier rg = 0; 346773064edfSJesper Devantier } 346873064edfSJesper Devantier 346973064edfSJesper Devantier ruhid = ns->fdp.phs[ph]; 347073064edfSJesper Devantier ru = &ns->endgrp->fdp.ruhs[ruhid].rus[rg]; 347173064edfSJesper Devantier 347273064edfSJesper Devantier nvme_fdp_stat_inc(&ns->endgrp->fdp.hbmw, data_size); 347373064edfSJesper Devantier nvme_fdp_stat_inc(&ns->endgrp->fdp.mbmw, data_size); 347473064edfSJesper Devantier 347573064edfSJesper Devantier while (nlb) { 347673064edfSJesper Devantier if (nlb < ru->ruamw) { 347773064edfSJesper Devantier ru->ruamw -= nlb; 347873064edfSJesper Devantier break; 347973064edfSJesper Devantier } 348073064edfSJesper Devantier 348173064edfSJesper Devantier nlb -= ru->ruamw; 348273064edfSJesper Devantier nvme_update_ruh(n, ns, pid); 348373064edfSJesper Devantier } 348473064edfSJesper Devantier } 348573064edfSJesper Devantier 348688eea45cSKlaus Jensen static uint16_t nvme_do_write(NvmeCtrl *n, NvmeRequest *req, bool append, 348788eea45cSKlaus Jensen bool wrz) 348888eea45cSKlaus Jensen { 348988eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 349088eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 349188eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 349288eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 349388eea45cSKlaus Jensen uint16_t ctrl = le16_to_cpu(rw->control); 34942a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(ctrl); 349588eea45cSKlaus Jensen uint64_t data_size = nvme_l2b(ns, nlb); 349688eea45cSKlaus Jensen uint64_t mapped_size = data_size; 349788eea45cSKlaus Jensen uint64_t data_offset; 349888eea45cSKlaus Jensen NvmeZone *zone; 349988eea45cSKlaus Jensen NvmeZonedResult *res = (NvmeZonedResult *)&req->cqe; 350088eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 350188eea45cSKlaus Jensen uint16_t status; 350288eea45cSKlaus Jensen 350388eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 350488eea45cSKlaus Jensen mapped_size += nvme_m2b(ns, nlb); 350588eea45cSKlaus Jensen 350688eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 35072a132309SKlaus Jensen bool pract = prinfo & NVME_PRINFO_PRACT; 350888eea45cSKlaus Jensen 3509ac0b34c5SKlaus Jensen if (pract && ns->lbaf.ms == nvme_pi_tuple_size(ns)) { 351088eea45cSKlaus Jensen mapped_size -= nvme_m2b(ns, nlb); 351188eea45cSKlaus Jensen } 351288eea45cSKlaus Jensen } 351388eea45cSKlaus Jensen } 351488eea45cSKlaus Jensen 351588eea45cSKlaus Jensen trace_pci_nvme_write(nvme_cid(req), nvme_io_opc_str(rw->opcode), 351688eea45cSKlaus Jensen nvme_nsid(ns), nlb, mapped_size, slba); 351788eea45cSKlaus Jensen 351888eea45cSKlaus Jensen if (!wrz) { 351988eea45cSKlaus Jensen status = nvme_check_mdts(n, mapped_size); 352088eea45cSKlaus Jensen if (status) { 352188eea45cSKlaus Jensen goto invalid; 352288eea45cSKlaus Jensen } 352388eea45cSKlaus Jensen } 352488eea45cSKlaus Jensen 352588eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 352688eea45cSKlaus Jensen if (status) { 352788eea45cSKlaus Jensen goto invalid; 352888eea45cSKlaus Jensen } 352988eea45cSKlaus Jensen 353088eea45cSKlaus Jensen if (ns->params.zoned) { 353188eea45cSKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 3532189a8bf7SKlaus Jensen assert(zone); 353388eea45cSKlaus Jensen 353488eea45cSKlaus Jensen if (append) { 353588eea45cSKlaus Jensen bool piremap = !!(ctrl & NVME_RW_PIREMAP); 353688eea45cSKlaus Jensen 3537e321b4cdSKlaus Jensen if (unlikely(zone->d.za & NVME_ZA_ZRWA_VALID)) { 3538e321b4cdSKlaus Jensen return NVME_INVALID_ZONE_OP | NVME_DNR; 3539e321b4cdSKlaus Jensen } 3540e321b4cdSKlaus Jensen 354188eea45cSKlaus Jensen if (unlikely(slba != zone->d.zslba)) { 354288eea45cSKlaus Jensen trace_pci_nvme_err_append_not_at_start(slba, zone->d.zslba); 354388eea45cSKlaus Jensen status = NVME_INVALID_FIELD; 354488eea45cSKlaus Jensen goto invalid; 354588eea45cSKlaus Jensen } 354688eea45cSKlaus Jensen 354788eea45cSKlaus Jensen if (n->params.zasl && 354888eea45cSKlaus Jensen data_size > (uint64_t)n->page_size << n->params.zasl) { 354988eea45cSKlaus Jensen trace_pci_nvme_err_zasl(data_size); 355088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 355188eea45cSKlaus Jensen } 355288eea45cSKlaus Jensen 355388eea45cSKlaus Jensen slba = zone->w_ptr; 355488eea45cSKlaus Jensen rw->slba = cpu_to_le64(slba); 355588eea45cSKlaus Jensen res->slba = cpu_to_le64(slba); 355688eea45cSKlaus Jensen 355788eea45cSKlaus Jensen switch (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 355888eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_1: 355988eea45cSKlaus Jensen if (!piremap) { 356088eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 356188eea45cSKlaus Jensen } 356288eea45cSKlaus Jensen 356388eea45cSKlaus Jensen /* fallthrough */ 356488eea45cSKlaus Jensen 356588eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_2: 356688eea45cSKlaus Jensen if (piremap) { 356788eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 356888eea45cSKlaus Jensen rw->reftag = cpu_to_le32(reftag + (slba - zone->d.zslba)); 356988eea45cSKlaus Jensen } 357088eea45cSKlaus Jensen 357188eea45cSKlaus Jensen break; 357288eea45cSKlaus Jensen 357388eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_3: 357488eea45cSKlaus Jensen if (piremap) { 357588eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 357688eea45cSKlaus Jensen } 357788eea45cSKlaus Jensen 357888eea45cSKlaus Jensen break; 357988eea45cSKlaus Jensen } 358088eea45cSKlaus Jensen } 358188eea45cSKlaus Jensen 358288eea45cSKlaus Jensen status = nvme_check_zone_write(ns, zone, slba, nlb); 358388eea45cSKlaus Jensen if (status) { 358488eea45cSKlaus Jensen goto invalid; 358588eea45cSKlaus Jensen } 358688eea45cSKlaus Jensen 3587cccc2651SNiklas Cassel status = nvme_zrm_auto(n, ns, zone); 358888eea45cSKlaus Jensen if (status) { 358988eea45cSKlaus Jensen goto invalid; 359088eea45cSKlaus Jensen } 359188eea45cSKlaus Jensen 3592e321b4cdSKlaus Jensen if (!(zone->d.za & NVME_ZA_ZRWA_VALID)) { 359388eea45cSKlaus Jensen zone->w_ptr += nlb; 359488eea45cSKlaus Jensen } 359573064edfSJesper Devantier } else if (ns->endgrp && ns->endgrp->fdp.enabled) { 359673064edfSJesper Devantier nvme_do_write_fdp(n, req, slba, nlb); 3597e321b4cdSKlaus Jensen } 359888eea45cSKlaus Jensen 359988eea45cSKlaus Jensen data_offset = nvme_l2b(ns, slba); 360088eea45cSKlaus Jensen 360188eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 360288eea45cSKlaus Jensen return nvme_dif_rw(n, req); 360388eea45cSKlaus Jensen } 360488eea45cSKlaus Jensen 360588eea45cSKlaus Jensen if (!wrz) { 360688eea45cSKlaus Jensen status = nvme_map_data(n, nlb, req); 360788eea45cSKlaus Jensen if (status) { 360888eea45cSKlaus Jensen goto invalid; 360988eea45cSKlaus Jensen } 361088eea45cSKlaus Jensen 361188eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_size, 361288eea45cSKlaus Jensen BLOCK_ACCT_WRITE); 36139b4f0181SMateusz Kozlowski nvme_blk_write(blk, data_offset, BDRV_SECTOR_SIZE, nvme_rw_cb, req); 361488eea45cSKlaus Jensen } else { 361588eea45cSKlaus Jensen req->aiocb = blk_aio_pwrite_zeroes(blk, data_offset, data_size, 361688eea45cSKlaus Jensen BDRV_REQ_MAY_UNMAP, nvme_rw_cb, 361788eea45cSKlaus Jensen req); 361888eea45cSKlaus Jensen } 361988eea45cSKlaus Jensen 362088eea45cSKlaus Jensen return NVME_NO_COMPLETE; 362188eea45cSKlaus Jensen 362288eea45cSKlaus Jensen invalid: 362388eea45cSKlaus Jensen block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_WRITE); 362488eea45cSKlaus Jensen return status | NVME_DNR; 362588eea45cSKlaus Jensen } 362688eea45cSKlaus Jensen 362788eea45cSKlaus Jensen static inline uint16_t nvme_write(NvmeCtrl *n, NvmeRequest *req) 362888eea45cSKlaus Jensen { 362988eea45cSKlaus Jensen return nvme_do_write(n, req, false, false); 363088eea45cSKlaus Jensen } 363188eea45cSKlaus Jensen 363288eea45cSKlaus Jensen static inline uint16_t nvme_write_zeroes(NvmeCtrl *n, NvmeRequest *req) 363388eea45cSKlaus Jensen { 363488eea45cSKlaus Jensen return nvme_do_write(n, req, false, true); 363588eea45cSKlaus Jensen } 363688eea45cSKlaus Jensen 363788eea45cSKlaus Jensen static inline uint16_t nvme_zone_append(NvmeCtrl *n, NvmeRequest *req) 363888eea45cSKlaus Jensen { 363988eea45cSKlaus Jensen return nvme_do_write(n, req, true, false); 364088eea45cSKlaus Jensen } 364188eea45cSKlaus Jensen 364288eea45cSKlaus Jensen static uint16_t nvme_get_mgmt_zone_slba_idx(NvmeNamespace *ns, NvmeCmd *c, 364388eea45cSKlaus Jensen uint64_t *slba, uint32_t *zone_idx) 364488eea45cSKlaus Jensen { 364588eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(c->cdw10); 364688eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(c->cdw11); 364788eea45cSKlaus Jensen 364888eea45cSKlaus Jensen if (!ns->params.zoned) { 364988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_opc(c->opcode); 365088eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 365188eea45cSKlaus Jensen } 365288eea45cSKlaus Jensen 365388eea45cSKlaus Jensen *slba = ((uint64_t)dw11) << 32 | dw10; 365488eea45cSKlaus Jensen if (unlikely(*slba >= ns->id_ns.nsze)) { 365588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(*slba, 0, ns->id_ns.nsze); 365688eea45cSKlaus Jensen *slba = 0; 365788eea45cSKlaus Jensen return NVME_LBA_RANGE | NVME_DNR; 365888eea45cSKlaus Jensen } 365988eea45cSKlaus Jensen 366088eea45cSKlaus Jensen *zone_idx = nvme_zone_idx(ns, *slba); 366188eea45cSKlaus Jensen assert(*zone_idx < ns->num_zones); 366288eea45cSKlaus Jensen 366388eea45cSKlaus Jensen return NVME_SUCCESS; 366488eea45cSKlaus Jensen } 366588eea45cSKlaus Jensen 366688eea45cSKlaus Jensen typedef uint16_t (*op_handler_t)(NvmeNamespace *, NvmeZone *, NvmeZoneState, 366788eea45cSKlaus Jensen NvmeRequest *); 366888eea45cSKlaus Jensen 366988eea45cSKlaus Jensen enum NvmeZoneProcessingMask { 367088eea45cSKlaus Jensen NVME_PROC_CURRENT_ZONE = 0, 367188eea45cSKlaus Jensen NVME_PROC_OPENED_ZONES = 1 << 0, 367288eea45cSKlaus Jensen NVME_PROC_CLOSED_ZONES = 1 << 1, 367388eea45cSKlaus Jensen NVME_PROC_READ_ONLY_ZONES = 1 << 2, 367488eea45cSKlaus Jensen NVME_PROC_FULL_ZONES = 1 << 3, 367588eea45cSKlaus Jensen }; 367688eea45cSKlaus Jensen 367788eea45cSKlaus Jensen static uint16_t nvme_open_zone(NvmeNamespace *ns, NvmeZone *zone, 367888eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 367988eea45cSKlaus Jensen { 3680e321b4cdSKlaus Jensen NvmeZoneSendCmd *cmd = (NvmeZoneSendCmd *)&req->cmd; 3681e321b4cdSKlaus Jensen int flags = 0; 3682e321b4cdSKlaus Jensen 3683e321b4cdSKlaus Jensen if (cmd->zsflags & NVME_ZSFLAG_ZRWA_ALLOC) { 3684e321b4cdSKlaus Jensen uint16_t ozcs = le16_to_cpu(ns->id_ns_zoned->ozcs); 3685e321b4cdSKlaus Jensen 3686e321b4cdSKlaus Jensen if (!(ozcs & NVME_ID_NS_ZONED_OZCS_ZRWASUP)) { 3687e321b4cdSKlaus Jensen return NVME_INVALID_ZONE_OP | NVME_DNR; 3688e321b4cdSKlaus Jensen } 3689e321b4cdSKlaus Jensen 3690e321b4cdSKlaus Jensen if (zone->w_ptr % ns->zns.zrwafg) { 3691e321b4cdSKlaus Jensen return NVME_NOZRWA | NVME_DNR; 3692e321b4cdSKlaus Jensen } 3693e321b4cdSKlaus Jensen 3694e321b4cdSKlaus Jensen flags = NVME_ZRM_ZRWA; 3695e321b4cdSKlaus Jensen } 3696e321b4cdSKlaus Jensen 3697e321b4cdSKlaus Jensen return nvme_zrm_open_flags(nvme_ctrl(req), ns, zone, flags); 369888eea45cSKlaus Jensen } 369988eea45cSKlaus Jensen 370088eea45cSKlaus Jensen static uint16_t nvme_close_zone(NvmeNamespace *ns, NvmeZone *zone, 370188eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 370288eea45cSKlaus Jensen { 370388eea45cSKlaus Jensen return nvme_zrm_close(ns, zone); 370488eea45cSKlaus Jensen } 370588eea45cSKlaus Jensen 370688eea45cSKlaus Jensen static uint16_t nvme_finish_zone(NvmeNamespace *ns, NvmeZone *zone, 370788eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 370888eea45cSKlaus Jensen { 370988eea45cSKlaus Jensen return nvme_zrm_finish(ns, zone); 371088eea45cSKlaus Jensen } 371188eea45cSKlaus Jensen 371288eea45cSKlaus Jensen static uint16_t nvme_offline_zone(NvmeNamespace *ns, NvmeZone *zone, 371388eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 371488eea45cSKlaus Jensen { 371588eea45cSKlaus Jensen switch (state) { 371688eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 371788eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_OFFLINE); 371888eea45cSKlaus Jensen /* fall through */ 371988eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 372088eea45cSKlaus Jensen return NVME_SUCCESS; 372188eea45cSKlaus Jensen default: 372288eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 372388eea45cSKlaus Jensen } 372488eea45cSKlaus Jensen } 372588eea45cSKlaus Jensen 372688eea45cSKlaus Jensen static uint16_t nvme_set_zd_ext(NvmeNamespace *ns, NvmeZone *zone) 372788eea45cSKlaus Jensen { 372888eea45cSKlaus Jensen uint16_t status; 372988eea45cSKlaus Jensen uint8_t state = nvme_get_zone_state(zone); 373088eea45cSKlaus Jensen 373188eea45cSKlaus Jensen if (state == NVME_ZONE_STATE_EMPTY) { 373288eea45cSKlaus Jensen status = nvme_aor_check(ns, 1, 0); 373388eea45cSKlaus Jensen if (status) { 373488eea45cSKlaus Jensen return status; 373588eea45cSKlaus Jensen } 373688eea45cSKlaus Jensen nvme_aor_inc_active(ns); 373788eea45cSKlaus Jensen zone->d.za |= NVME_ZA_ZD_EXT_VALID; 373888eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_CLOSED); 373988eea45cSKlaus Jensen return NVME_SUCCESS; 374088eea45cSKlaus Jensen } 374188eea45cSKlaus Jensen 374288eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 374388eea45cSKlaus Jensen } 374488eea45cSKlaus Jensen 374588eea45cSKlaus Jensen static uint16_t nvme_bulk_proc_zone(NvmeNamespace *ns, NvmeZone *zone, 374688eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask, 374788eea45cSKlaus Jensen op_handler_t op_hndlr, NvmeRequest *req) 374888eea45cSKlaus Jensen { 374988eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 375088eea45cSKlaus Jensen NvmeZoneState zs = nvme_get_zone_state(zone); 375188eea45cSKlaus Jensen bool proc_zone; 375288eea45cSKlaus Jensen 375388eea45cSKlaus Jensen switch (zs) { 375488eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 375588eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 375688eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_OPENED_ZONES; 375788eea45cSKlaus Jensen break; 375888eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 375988eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_CLOSED_ZONES; 376088eea45cSKlaus Jensen break; 376188eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 376288eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_READ_ONLY_ZONES; 376388eea45cSKlaus Jensen break; 376488eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 376588eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_FULL_ZONES; 376688eea45cSKlaus Jensen break; 376788eea45cSKlaus Jensen default: 376888eea45cSKlaus Jensen proc_zone = false; 376988eea45cSKlaus Jensen } 377088eea45cSKlaus Jensen 377188eea45cSKlaus Jensen if (proc_zone) { 377288eea45cSKlaus Jensen status = op_hndlr(ns, zone, zs, req); 377388eea45cSKlaus Jensen } 377488eea45cSKlaus Jensen 377588eea45cSKlaus Jensen return status; 377688eea45cSKlaus Jensen } 377788eea45cSKlaus Jensen 377888eea45cSKlaus Jensen static uint16_t nvme_do_zone_op(NvmeNamespace *ns, NvmeZone *zone, 377988eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask, 378088eea45cSKlaus Jensen op_handler_t op_hndlr, NvmeRequest *req) 378188eea45cSKlaus Jensen { 378288eea45cSKlaus Jensen NvmeZone *next; 378388eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 378488eea45cSKlaus Jensen int i; 378588eea45cSKlaus Jensen 378688eea45cSKlaus Jensen if (!proc_mask) { 378788eea45cSKlaus Jensen status = op_hndlr(ns, zone, nvme_get_zone_state(zone), req); 378888eea45cSKlaus Jensen } else { 378988eea45cSKlaus Jensen if (proc_mask & NVME_PROC_CLOSED_ZONES) { 379088eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->closed_zones, entry, next) { 379188eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 379288eea45cSKlaus Jensen req); 379388eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 379488eea45cSKlaus Jensen goto out; 379588eea45cSKlaus Jensen } 379688eea45cSKlaus Jensen } 379788eea45cSKlaus Jensen } 379888eea45cSKlaus Jensen if (proc_mask & NVME_PROC_OPENED_ZONES) { 379988eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->imp_open_zones, entry, next) { 380088eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 380188eea45cSKlaus Jensen req); 380288eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 380388eea45cSKlaus Jensen goto out; 380488eea45cSKlaus Jensen } 380588eea45cSKlaus Jensen } 380688eea45cSKlaus Jensen 380788eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->exp_open_zones, entry, next) { 380888eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 380988eea45cSKlaus Jensen req); 381088eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 381188eea45cSKlaus Jensen goto out; 381288eea45cSKlaus Jensen } 381388eea45cSKlaus Jensen } 381488eea45cSKlaus Jensen } 381588eea45cSKlaus Jensen if (proc_mask & NVME_PROC_FULL_ZONES) { 381688eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->full_zones, entry, next) { 381788eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 381888eea45cSKlaus Jensen req); 381988eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 382088eea45cSKlaus Jensen goto out; 382188eea45cSKlaus Jensen } 382288eea45cSKlaus Jensen } 382388eea45cSKlaus Jensen } 382488eea45cSKlaus Jensen 382588eea45cSKlaus Jensen if (proc_mask & NVME_PROC_READ_ONLY_ZONES) { 382688eea45cSKlaus Jensen for (i = 0; i < ns->num_zones; i++, zone++) { 382788eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 382888eea45cSKlaus Jensen req); 382988eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 383088eea45cSKlaus Jensen goto out; 383188eea45cSKlaus Jensen } 383288eea45cSKlaus Jensen } 383388eea45cSKlaus Jensen } 383488eea45cSKlaus Jensen } 383588eea45cSKlaus Jensen 383688eea45cSKlaus Jensen out: 383788eea45cSKlaus Jensen return status; 383888eea45cSKlaus Jensen } 383988eea45cSKlaus Jensen 384063d96e4fSKlaus Jensen typedef struct NvmeZoneResetAIOCB { 384163d96e4fSKlaus Jensen BlockAIOCB common; 384263d96e4fSKlaus Jensen BlockAIOCB *aiocb; 384363d96e4fSKlaus Jensen NvmeRequest *req; 384463d96e4fSKlaus Jensen int ret; 384563d96e4fSKlaus Jensen 384663d96e4fSKlaus Jensen bool all; 384763d96e4fSKlaus Jensen int idx; 384863d96e4fSKlaus Jensen NvmeZone *zone; 384963d96e4fSKlaus Jensen } NvmeZoneResetAIOCB; 385063d96e4fSKlaus Jensen 385163d96e4fSKlaus Jensen static void nvme_zone_reset_cancel(BlockAIOCB *aiocb) 385263d96e4fSKlaus Jensen { 385363d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = container_of(aiocb, NvmeZoneResetAIOCB, common); 385463d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 385563d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 385663d96e4fSKlaus Jensen 385763d96e4fSKlaus Jensen iocb->idx = ns->num_zones; 385863d96e4fSKlaus Jensen 385963d96e4fSKlaus Jensen iocb->ret = -ECANCELED; 386063d96e4fSKlaus Jensen 386163d96e4fSKlaus Jensen if (iocb->aiocb) { 386263d96e4fSKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 386363d96e4fSKlaus Jensen iocb->aiocb = NULL; 386463d96e4fSKlaus Jensen } 386563d96e4fSKlaus Jensen } 386663d96e4fSKlaus Jensen 386763d96e4fSKlaus Jensen static const AIOCBInfo nvme_zone_reset_aiocb_info = { 386863d96e4fSKlaus Jensen .aiocb_size = sizeof(NvmeZoneResetAIOCB), 386963d96e4fSKlaus Jensen .cancel_async = nvme_zone_reset_cancel, 387063d96e4fSKlaus Jensen }; 387163d96e4fSKlaus Jensen 387263d96e4fSKlaus Jensen static void nvme_zone_reset_cb(void *opaque, int ret); 387363d96e4fSKlaus Jensen 387463d96e4fSKlaus Jensen static void nvme_zone_reset_epilogue_cb(void *opaque, int ret) 387563d96e4fSKlaus Jensen { 387663d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 387763d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 387863d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 387963d96e4fSKlaus Jensen int64_t moff; 388063d96e4fSKlaus Jensen int count; 388163d96e4fSKlaus Jensen 388236a251c3SKlaus Jensen if (ret < 0 || iocb->ret < 0 || !ns->lbaf.ms) { 388336a251c3SKlaus Jensen goto out; 388463d96e4fSKlaus Jensen } 388563d96e4fSKlaus Jensen 388663d96e4fSKlaus Jensen moff = nvme_moff(ns, iocb->zone->d.zslba); 388763d96e4fSKlaus Jensen count = nvme_m2b(ns, ns->zone_size); 388863d96e4fSKlaus Jensen 388963d96e4fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, moff, count, 389063d96e4fSKlaus Jensen BDRV_REQ_MAY_UNMAP, 389163d96e4fSKlaus Jensen nvme_zone_reset_cb, iocb); 389263d96e4fSKlaus Jensen return; 389336a251c3SKlaus Jensen 389436a251c3SKlaus Jensen out: 389536a251c3SKlaus Jensen nvme_zone_reset_cb(iocb, ret); 389663d96e4fSKlaus Jensen } 389763d96e4fSKlaus Jensen 389863d96e4fSKlaus Jensen static void nvme_zone_reset_cb(void *opaque, int ret) 389963d96e4fSKlaus Jensen { 390063d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 390163d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 390263d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 390363d96e4fSKlaus Jensen 390436a251c3SKlaus Jensen if (iocb->ret < 0) { 390536a251c3SKlaus Jensen goto done; 390636a251c3SKlaus Jensen } else if (ret < 0) { 390763d96e4fSKlaus Jensen iocb->ret = ret; 390863d96e4fSKlaus Jensen goto done; 390963d96e4fSKlaus Jensen } 391063d96e4fSKlaus Jensen 391163d96e4fSKlaus Jensen if (iocb->zone) { 391263d96e4fSKlaus Jensen nvme_zrm_reset(ns, iocb->zone); 391363d96e4fSKlaus Jensen 391463d96e4fSKlaus Jensen if (!iocb->all) { 391563d96e4fSKlaus Jensen goto done; 391663d96e4fSKlaus Jensen } 391763d96e4fSKlaus Jensen } 391863d96e4fSKlaus Jensen 391963d96e4fSKlaus Jensen while (iocb->idx < ns->num_zones) { 392063d96e4fSKlaus Jensen NvmeZone *zone = &ns->zone_array[iocb->idx++]; 392163d96e4fSKlaus Jensen 392263d96e4fSKlaus Jensen switch (nvme_get_zone_state(zone)) { 392363d96e4fSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 392463d96e4fSKlaus Jensen if (!iocb->all) { 392563d96e4fSKlaus Jensen goto done; 392663d96e4fSKlaus Jensen } 392763d96e4fSKlaus Jensen 392863d96e4fSKlaus Jensen continue; 392963d96e4fSKlaus Jensen 393063d96e4fSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 393163d96e4fSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 393263d96e4fSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 393363d96e4fSKlaus Jensen case NVME_ZONE_STATE_FULL: 393463d96e4fSKlaus Jensen iocb->zone = zone; 393563d96e4fSKlaus Jensen break; 393663d96e4fSKlaus Jensen 393763d96e4fSKlaus Jensen default: 393863d96e4fSKlaus Jensen continue; 393963d96e4fSKlaus Jensen } 394063d96e4fSKlaus Jensen 394163d96e4fSKlaus Jensen trace_pci_nvme_zns_zone_reset(zone->d.zslba); 394263d96e4fSKlaus Jensen 394363d96e4fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, 394463d96e4fSKlaus Jensen nvme_l2b(ns, zone->d.zslba), 394563d96e4fSKlaus Jensen nvme_l2b(ns, ns->zone_size), 394663d96e4fSKlaus Jensen BDRV_REQ_MAY_UNMAP, 394763d96e4fSKlaus Jensen nvme_zone_reset_epilogue_cb, 394863d96e4fSKlaus Jensen iocb); 394963d96e4fSKlaus Jensen return; 395063d96e4fSKlaus Jensen } 395163d96e4fSKlaus Jensen 395263d96e4fSKlaus Jensen done: 395363d96e4fSKlaus Jensen iocb->aiocb = NULL; 395436a251c3SKlaus Jensen 395536a251c3SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 395636a251c3SKlaus Jensen qemu_aio_unref(iocb); 395763d96e4fSKlaus Jensen } 395863d96e4fSKlaus Jensen 3959e321b4cdSKlaus Jensen static uint16_t nvme_zone_mgmt_send_zrwa_flush(NvmeCtrl *n, NvmeZone *zone, 3960e321b4cdSKlaus Jensen uint64_t elba, NvmeRequest *req) 3961e321b4cdSKlaus Jensen { 3962e321b4cdSKlaus Jensen NvmeNamespace *ns = req->ns; 3963e321b4cdSKlaus Jensen uint16_t ozcs = le16_to_cpu(ns->id_ns_zoned->ozcs); 3964e321b4cdSKlaus Jensen uint64_t wp = zone->d.wp; 3965e321b4cdSKlaus Jensen uint32_t nlb = elba - wp + 1; 3966e321b4cdSKlaus Jensen uint16_t status; 3967e321b4cdSKlaus Jensen 3968e321b4cdSKlaus Jensen 3969e321b4cdSKlaus Jensen if (!(ozcs & NVME_ID_NS_ZONED_OZCS_ZRWASUP)) { 3970e321b4cdSKlaus Jensen return NVME_INVALID_ZONE_OP | NVME_DNR; 3971e321b4cdSKlaus Jensen } 3972e321b4cdSKlaus Jensen 3973e321b4cdSKlaus Jensen if (!(zone->d.za & NVME_ZA_ZRWA_VALID)) { 3974e321b4cdSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 3975e321b4cdSKlaus Jensen } 3976e321b4cdSKlaus Jensen 3977e321b4cdSKlaus Jensen if (elba < wp || elba > wp + ns->zns.zrwas) { 3978e321b4cdSKlaus Jensen return NVME_ZONE_BOUNDARY_ERROR | NVME_DNR; 3979e321b4cdSKlaus Jensen } 3980e321b4cdSKlaus Jensen 3981e321b4cdSKlaus Jensen if (nlb % ns->zns.zrwafg) { 3982e321b4cdSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 3983e321b4cdSKlaus Jensen } 3984e321b4cdSKlaus Jensen 3985e321b4cdSKlaus Jensen status = nvme_zrm_auto(n, ns, zone); 3986e321b4cdSKlaus Jensen if (status) { 3987e321b4cdSKlaus Jensen return status; 3988e321b4cdSKlaus Jensen } 3989e321b4cdSKlaus Jensen 3990e321b4cdSKlaus Jensen zone->w_ptr += nlb; 3991e321b4cdSKlaus Jensen 3992e321b4cdSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlb); 3993e321b4cdSKlaus Jensen 3994e321b4cdSKlaus Jensen return NVME_SUCCESS; 3995e321b4cdSKlaus Jensen } 3996e321b4cdSKlaus Jensen 399788eea45cSKlaus Jensen static uint16_t nvme_zone_mgmt_send(NvmeCtrl *n, NvmeRequest *req) 399888eea45cSKlaus Jensen { 39996190d92fSKlaus Jensen NvmeZoneSendCmd *cmd = (NvmeZoneSendCmd *)&req->cmd; 400088eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 400188eea45cSKlaus Jensen NvmeZone *zone; 400263d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb; 400388eea45cSKlaus Jensen uint8_t *zd_ext; 400488eea45cSKlaus Jensen uint64_t slba = 0; 400588eea45cSKlaus Jensen uint32_t zone_idx = 0; 400688eea45cSKlaus Jensen uint16_t status; 40076190d92fSKlaus Jensen uint8_t action = cmd->zsa; 400888eea45cSKlaus Jensen bool all; 400988eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask = NVME_PROC_CURRENT_ZONE; 401088eea45cSKlaus Jensen 40116190d92fSKlaus Jensen all = cmd->zsflags & NVME_ZSFLAG_SELECT_ALL; 401288eea45cSKlaus Jensen 401388eea45cSKlaus Jensen req->status = NVME_SUCCESS; 401488eea45cSKlaus Jensen 401588eea45cSKlaus Jensen if (!all) { 40166190d92fSKlaus Jensen status = nvme_get_mgmt_zone_slba_idx(ns, &req->cmd, &slba, &zone_idx); 401788eea45cSKlaus Jensen if (status) { 401888eea45cSKlaus Jensen return status; 401988eea45cSKlaus Jensen } 402088eea45cSKlaus Jensen } 402188eea45cSKlaus Jensen 402288eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 4023e321b4cdSKlaus Jensen if (slba != zone->d.zslba && action != NVME_ZONE_ACTION_ZRWA_FLUSH) { 402488eea45cSKlaus Jensen trace_pci_nvme_err_unaligned_zone_cmd(action, slba, zone->d.zslba); 402588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 402688eea45cSKlaus Jensen } 402788eea45cSKlaus Jensen 402888eea45cSKlaus Jensen switch (action) { 402988eea45cSKlaus Jensen 403088eea45cSKlaus Jensen case NVME_ZONE_ACTION_OPEN: 403188eea45cSKlaus Jensen if (all) { 403288eea45cSKlaus Jensen proc_mask = NVME_PROC_CLOSED_ZONES; 403388eea45cSKlaus Jensen } 403488eea45cSKlaus Jensen trace_pci_nvme_open_zone(slba, zone_idx, all); 403588eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_open_zone, req); 403688eea45cSKlaus Jensen break; 403788eea45cSKlaus Jensen 403888eea45cSKlaus Jensen case NVME_ZONE_ACTION_CLOSE: 403988eea45cSKlaus Jensen if (all) { 404088eea45cSKlaus Jensen proc_mask = NVME_PROC_OPENED_ZONES; 404188eea45cSKlaus Jensen } 404288eea45cSKlaus Jensen trace_pci_nvme_close_zone(slba, zone_idx, all); 404388eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_close_zone, req); 404488eea45cSKlaus Jensen break; 404588eea45cSKlaus Jensen 404688eea45cSKlaus Jensen case NVME_ZONE_ACTION_FINISH: 404788eea45cSKlaus Jensen if (all) { 404888eea45cSKlaus Jensen proc_mask = NVME_PROC_OPENED_ZONES | NVME_PROC_CLOSED_ZONES; 404988eea45cSKlaus Jensen } 405088eea45cSKlaus Jensen trace_pci_nvme_finish_zone(slba, zone_idx, all); 405188eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_finish_zone, req); 405288eea45cSKlaus Jensen break; 405388eea45cSKlaus Jensen 405488eea45cSKlaus Jensen case NVME_ZONE_ACTION_RESET: 405588eea45cSKlaus Jensen trace_pci_nvme_reset_zone(slba, zone_idx, all); 405688eea45cSKlaus Jensen 405763d96e4fSKlaus Jensen iocb = blk_aio_get(&nvme_zone_reset_aiocb_info, ns->blkconf.blk, 405863d96e4fSKlaus Jensen nvme_misc_cb, req); 405988eea45cSKlaus Jensen 406063d96e4fSKlaus Jensen iocb->req = req; 406163d96e4fSKlaus Jensen iocb->ret = 0; 406263d96e4fSKlaus Jensen iocb->all = all; 406363d96e4fSKlaus Jensen iocb->idx = zone_idx; 406463d96e4fSKlaus Jensen iocb->zone = NULL; 406588eea45cSKlaus Jensen 406663d96e4fSKlaus Jensen req->aiocb = &iocb->common; 406763d96e4fSKlaus Jensen nvme_zone_reset_cb(iocb, 0); 406888eea45cSKlaus Jensen 406963d96e4fSKlaus Jensen return NVME_NO_COMPLETE; 407088eea45cSKlaus Jensen 407188eea45cSKlaus Jensen case NVME_ZONE_ACTION_OFFLINE: 407288eea45cSKlaus Jensen if (all) { 407388eea45cSKlaus Jensen proc_mask = NVME_PROC_READ_ONLY_ZONES; 407488eea45cSKlaus Jensen } 407588eea45cSKlaus Jensen trace_pci_nvme_offline_zone(slba, zone_idx, all); 407688eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_offline_zone, req); 407788eea45cSKlaus Jensen break; 407888eea45cSKlaus Jensen 407988eea45cSKlaus Jensen case NVME_ZONE_ACTION_SET_ZD_EXT: 408088eea45cSKlaus Jensen trace_pci_nvme_set_descriptor_extension(slba, zone_idx); 408188eea45cSKlaus Jensen if (all || !ns->params.zd_extension_size) { 408288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 408388eea45cSKlaus Jensen } 408488eea45cSKlaus Jensen zd_ext = nvme_get_zd_extension(ns, zone_idx); 408588eea45cSKlaus Jensen status = nvme_h2c(n, zd_ext, ns->params.zd_extension_size, req); 408688eea45cSKlaus Jensen if (status) { 408788eea45cSKlaus Jensen trace_pci_nvme_err_zd_extension_map_error(zone_idx); 408888eea45cSKlaus Jensen return status; 408988eea45cSKlaus Jensen } 409088eea45cSKlaus Jensen 409188eea45cSKlaus Jensen status = nvme_set_zd_ext(ns, zone); 409288eea45cSKlaus Jensen if (status == NVME_SUCCESS) { 409388eea45cSKlaus Jensen trace_pci_nvme_zd_extension_set(zone_idx); 409488eea45cSKlaus Jensen return status; 409588eea45cSKlaus Jensen } 409688eea45cSKlaus Jensen break; 409788eea45cSKlaus Jensen 4098e321b4cdSKlaus Jensen case NVME_ZONE_ACTION_ZRWA_FLUSH: 4099e321b4cdSKlaus Jensen if (all) { 4100e321b4cdSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 4101e321b4cdSKlaus Jensen } 4102e321b4cdSKlaus Jensen 4103e321b4cdSKlaus Jensen return nvme_zone_mgmt_send_zrwa_flush(n, zone, slba, req); 4104e321b4cdSKlaus Jensen 410588eea45cSKlaus Jensen default: 410688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_mgmt_action(action); 410788eea45cSKlaus Jensen status = NVME_INVALID_FIELD; 410888eea45cSKlaus Jensen } 410988eea45cSKlaus Jensen 411088eea45cSKlaus Jensen if (status == NVME_ZONE_INVAL_TRANSITION) { 411188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_zone_state_transition(action, slba, 411288eea45cSKlaus Jensen zone->d.za); 411388eea45cSKlaus Jensen } 411488eea45cSKlaus Jensen if (status) { 411588eea45cSKlaus Jensen status |= NVME_DNR; 411688eea45cSKlaus Jensen } 411788eea45cSKlaus Jensen 411888eea45cSKlaus Jensen return status; 411988eea45cSKlaus Jensen } 412088eea45cSKlaus Jensen 412188eea45cSKlaus Jensen static bool nvme_zone_matches_filter(uint32_t zafs, NvmeZone *zl) 412288eea45cSKlaus Jensen { 412388eea45cSKlaus Jensen NvmeZoneState zs = nvme_get_zone_state(zl); 412488eea45cSKlaus Jensen 412588eea45cSKlaus Jensen switch (zafs) { 412688eea45cSKlaus Jensen case NVME_ZONE_REPORT_ALL: 412788eea45cSKlaus Jensen return true; 412888eea45cSKlaus Jensen case NVME_ZONE_REPORT_EMPTY: 412988eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_EMPTY; 413088eea45cSKlaus Jensen case NVME_ZONE_REPORT_IMPLICITLY_OPEN: 413188eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_IMPLICITLY_OPEN; 413288eea45cSKlaus Jensen case NVME_ZONE_REPORT_EXPLICITLY_OPEN: 413388eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_EXPLICITLY_OPEN; 413488eea45cSKlaus Jensen case NVME_ZONE_REPORT_CLOSED: 413588eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_CLOSED; 413688eea45cSKlaus Jensen case NVME_ZONE_REPORT_FULL: 413788eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_FULL; 413888eea45cSKlaus Jensen case NVME_ZONE_REPORT_READ_ONLY: 413988eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_READ_ONLY; 414088eea45cSKlaus Jensen case NVME_ZONE_REPORT_OFFLINE: 414188eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_OFFLINE; 414288eea45cSKlaus Jensen default: 414388eea45cSKlaus Jensen return false; 414488eea45cSKlaus Jensen } 414588eea45cSKlaus Jensen } 414688eea45cSKlaus Jensen 414788eea45cSKlaus Jensen static uint16_t nvme_zone_mgmt_recv(NvmeCtrl *n, NvmeRequest *req) 414888eea45cSKlaus Jensen { 414988eea45cSKlaus Jensen NvmeCmd *cmd = (NvmeCmd *)&req->cmd; 415088eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 415188eea45cSKlaus Jensen /* cdw12 is zero-based number of dwords to return. Convert to bytes */ 415288eea45cSKlaus Jensen uint32_t data_size = (le32_to_cpu(cmd->cdw12) + 1) << 2; 415388eea45cSKlaus Jensen uint32_t dw13 = le32_to_cpu(cmd->cdw13); 415488eea45cSKlaus Jensen uint32_t zone_idx, zra, zrasf, partial; 415588eea45cSKlaus Jensen uint64_t max_zones, nr_zones = 0; 415688eea45cSKlaus Jensen uint16_t status; 415788eea45cSKlaus Jensen uint64_t slba; 415888eea45cSKlaus Jensen NvmeZoneDescr *z; 415988eea45cSKlaus Jensen NvmeZone *zone; 416088eea45cSKlaus Jensen NvmeZoneReportHeader *header; 416188eea45cSKlaus Jensen void *buf, *buf_p; 416288eea45cSKlaus Jensen size_t zone_entry_sz; 416388eea45cSKlaus Jensen int i; 416488eea45cSKlaus Jensen 416588eea45cSKlaus Jensen req->status = NVME_SUCCESS; 416688eea45cSKlaus Jensen 416788eea45cSKlaus Jensen status = nvme_get_mgmt_zone_slba_idx(ns, cmd, &slba, &zone_idx); 416888eea45cSKlaus Jensen if (status) { 416988eea45cSKlaus Jensen return status; 417088eea45cSKlaus Jensen } 417188eea45cSKlaus Jensen 417288eea45cSKlaus Jensen zra = dw13 & 0xff; 417388eea45cSKlaus Jensen if (zra != NVME_ZONE_REPORT && zra != NVME_ZONE_REPORT_EXTENDED) { 417488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 417588eea45cSKlaus Jensen } 417688eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED && !ns->params.zd_extension_size) { 417788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 417888eea45cSKlaus Jensen } 417988eea45cSKlaus Jensen 418088eea45cSKlaus Jensen zrasf = (dw13 >> 8) & 0xff; 418188eea45cSKlaus Jensen if (zrasf > NVME_ZONE_REPORT_OFFLINE) { 418288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 418388eea45cSKlaus Jensen } 418488eea45cSKlaus Jensen 418588eea45cSKlaus Jensen if (data_size < sizeof(NvmeZoneReportHeader)) { 418688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 418788eea45cSKlaus Jensen } 418888eea45cSKlaus Jensen 418988eea45cSKlaus Jensen status = nvme_check_mdts(n, data_size); 419088eea45cSKlaus Jensen if (status) { 419188eea45cSKlaus Jensen return status; 419288eea45cSKlaus Jensen } 419388eea45cSKlaus Jensen 419488eea45cSKlaus Jensen partial = (dw13 >> 16) & 0x01; 419588eea45cSKlaus Jensen 419688eea45cSKlaus Jensen zone_entry_sz = sizeof(NvmeZoneDescr); 419788eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED) { 419888eea45cSKlaus Jensen zone_entry_sz += ns->params.zd_extension_size; 419988eea45cSKlaus Jensen } 420088eea45cSKlaus Jensen 420188eea45cSKlaus Jensen max_zones = (data_size - sizeof(NvmeZoneReportHeader)) / zone_entry_sz; 420288eea45cSKlaus Jensen buf = g_malloc0(data_size); 420388eea45cSKlaus Jensen 420488eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 420588eea45cSKlaus Jensen for (i = zone_idx; i < ns->num_zones; i++) { 420688eea45cSKlaus Jensen if (partial && nr_zones >= max_zones) { 420788eea45cSKlaus Jensen break; 420888eea45cSKlaus Jensen } 420988eea45cSKlaus Jensen if (nvme_zone_matches_filter(zrasf, zone++)) { 421088eea45cSKlaus Jensen nr_zones++; 421188eea45cSKlaus Jensen } 421288eea45cSKlaus Jensen } 42133d558330SMarkus Armbruster header = buf; 421488eea45cSKlaus Jensen header->nr_zones = cpu_to_le64(nr_zones); 421588eea45cSKlaus Jensen 421688eea45cSKlaus Jensen buf_p = buf + sizeof(NvmeZoneReportHeader); 421788eea45cSKlaus Jensen for (; zone_idx < ns->num_zones && max_zones > 0; zone_idx++) { 421888eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 421988eea45cSKlaus Jensen if (nvme_zone_matches_filter(zrasf, zone)) { 42203d558330SMarkus Armbruster z = buf_p; 422188eea45cSKlaus Jensen buf_p += sizeof(NvmeZoneDescr); 422288eea45cSKlaus Jensen 422388eea45cSKlaus Jensen z->zt = zone->d.zt; 422488eea45cSKlaus Jensen z->zs = zone->d.zs; 422588eea45cSKlaus Jensen z->zcap = cpu_to_le64(zone->d.zcap); 422688eea45cSKlaus Jensen z->zslba = cpu_to_le64(zone->d.zslba); 422788eea45cSKlaus Jensen z->za = zone->d.za; 422888eea45cSKlaus Jensen 422988eea45cSKlaus Jensen if (nvme_wp_is_valid(zone)) { 423088eea45cSKlaus Jensen z->wp = cpu_to_le64(zone->d.wp); 423188eea45cSKlaus Jensen } else { 423288eea45cSKlaus Jensen z->wp = cpu_to_le64(~0ULL); 423388eea45cSKlaus Jensen } 423488eea45cSKlaus Jensen 423588eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED) { 423688eea45cSKlaus Jensen if (zone->d.za & NVME_ZA_ZD_EXT_VALID) { 423788eea45cSKlaus Jensen memcpy(buf_p, nvme_get_zd_extension(ns, zone_idx), 423888eea45cSKlaus Jensen ns->params.zd_extension_size); 423988eea45cSKlaus Jensen } 424088eea45cSKlaus Jensen buf_p += ns->params.zd_extension_size; 424188eea45cSKlaus Jensen } 424288eea45cSKlaus Jensen 424388eea45cSKlaus Jensen max_zones--; 424488eea45cSKlaus Jensen } 424588eea45cSKlaus Jensen } 424688eea45cSKlaus Jensen 424788eea45cSKlaus Jensen status = nvme_c2h(n, (uint8_t *)buf, data_size, req); 424888eea45cSKlaus Jensen 424988eea45cSKlaus Jensen g_free(buf); 425088eea45cSKlaus Jensen 425188eea45cSKlaus Jensen return status; 425288eea45cSKlaus Jensen } 425388eea45cSKlaus Jensen 425473064edfSJesper Devantier static uint16_t nvme_io_mgmt_recv_ruhs(NvmeCtrl *n, NvmeRequest *req, 425573064edfSJesper Devantier size_t len) 425673064edfSJesper Devantier { 425773064edfSJesper Devantier NvmeNamespace *ns = req->ns; 425873064edfSJesper Devantier NvmeEnduranceGroup *endgrp; 425973064edfSJesper Devantier NvmeRuhStatus *hdr; 426073064edfSJesper Devantier NvmeRuhStatusDescr *ruhsd; 426173064edfSJesper Devantier unsigned int nruhsd; 426273064edfSJesper Devantier uint16_t rg, ph, *ruhid; 426373064edfSJesper Devantier size_t trans_len; 426473064edfSJesper Devantier g_autofree uint8_t *buf = NULL; 426573064edfSJesper Devantier 426673064edfSJesper Devantier if (!n->subsys) { 426773064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 426873064edfSJesper Devantier } 426973064edfSJesper Devantier 427073064edfSJesper Devantier if (ns->params.nsid == 0 || ns->params.nsid == 0xffffffff) { 427173064edfSJesper Devantier return NVME_INVALID_NSID | NVME_DNR; 427273064edfSJesper Devantier } 427373064edfSJesper Devantier 427473064edfSJesper Devantier if (!n->subsys->endgrp.fdp.enabled) { 427573064edfSJesper Devantier return NVME_FDP_DISABLED | NVME_DNR; 427673064edfSJesper Devantier } 427773064edfSJesper Devantier 427873064edfSJesper Devantier endgrp = ns->endgrp; 427973064edfSJesper Devantier 428073064edfSJesper Devantier nruhsd = ns->fdp.nphs * endgrp->fdp.nrg; 428173064edfSJesper Devantier trans_len = sizeof(NvmeRuhStatus) + nruhsd * sizeof(NvmeRuhStatusDescr); 428273064edfSJesper Devantier buf = g_malloc(trans_len); 428373064edfSJesper Devantier 428473064edfSJesper Devantier trans_len = MIN(trans_len, len); 428573064edfSJesper Devantier 428673064edfSJesper Devantier hdr = (NvmeRuhStatus *)buf; 428773064edfSJesper Devantier ruhsd = (NvmeRuhStatusDescr *)(buf + sizeof(NvmeRuhStatus)); 428873064edfSJesper Devantier 428973064edfSJesper Devantier hdr->nruhsd = cpu_to_le16(nruhsd); 429073064edfSJesper Devantier 429173064edfSJesper Devantier ruhid = ns->fdp.phs; 429273064edfSJesper Devantier 429373064edfSJesper Devantier for (ph = 0; ph < ns->fdp.nphs; ph++, ruhid++) { 429473064edfSJesper Devantier NvmeRuHandle *ruh = &endgrp->fdp.ruhs[*ruhid]; 429573064edfSJesper Devantier 429673064edfSJesper Devantier for (rg = 0; rg < endgrp->fdp.nrg; rg++, ruhsd++) { 429773064edfSJesper Devantier uint16_t pid = nvme_make_pid(ns, rg, ph); 429873064edfSJesper Devantier 429973064edfSJesper Devantier ruhsd->pid = cpu_to_le16(pid); 430073064edfSJesper Devantier ruhsd->ruhid = *ruhid; 430173064edfSJesper Devantier ruhsd->earutr = 0; 430273064edfSJesper Devantier ruhsd->ruamw = cpu_to_le64(ruh->rus[rg].ruamw); 430373064edfSJesper Devantier } 430473064edfSJesper Devantier } 430573064edfSJesper Devantier 430673064edfSJesper Devantier return nvme_c2h(n, buf, trans_len, req); 430773064edfSJesper Devantier } 430873064edfSJesper Devantier 430973064edfSJesper Devantier static uint16_t nvme_io_mgmt_recv(NvmeCtrl *n, NvmeRequest *req) 431073064edfSJesper Devantier { 431173064edfSJesper Devantier NvmeCmd *cmd = &req->cmd; 431273064edfSJesper Devantier uint32_t cdw10 = le32_to_cpu(cmd->cdw10); 431373064edfSJesper Devantier uint32_t numd = le32_to_cpu(cmd->cdw11); 431473064edfSJesper Devantier uint8_t mo = (cdw10 & 0xff); 431573064edfSJesper Devantier size_t len = (numd + 1) << 2; 431673064edfSJesper Devantier 431773064edfSJesper Devantier switch (mo) { 431873064edfSJesper Devantier case NVME_IOMR_MO_NOP: 431973064edfSJesper Devantier return 0; 432073064edfSJesper Devantier case NVME_IOMR_MO_RUH_STATUS: 432173064edfSJesper Devantier return nvme_io_mgmt_recv_ruhs(n, req, len); 432273064edfSJesper Devantier default: 432373064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 432473064edfSJesper Devantier }; 432573064edfSJesper Devantier } 432673064edfSJesper Devantier 432773064edfSJesper Devantier static uint16_t nvme_io_mgmt_send_ruh_update(NvmeCtrl *n, NvmeRequest *req) 432873064edfSJesper Devantier { 432973064edfSJesper Devantier NvmeCmd *cmd = &req->cmd; 433073064edfSJesper Devantier NvmeNamespace *ns = req->ns; 433173064edfSJesper Devantier uint32_t cdw10 = le32_to_cpu(cmd->cdw10); 433273064edfSJesper Devantier uint16_t ret = NVME_SUCCESS; 433373064edfSJesper Devantier uint32_t npid = (cdw10 >> 1) + 1; 433473064edfSJesper Devantier unsigned int i = 0; 433573064edfSJesper Devantier g_autofree uint16_t *pids = NULL; 433673064edfSJesper Devantier uint32_t maxnpid = n->subsys->endgrp.fdp.nrg * n->subsys->endgrp.fdp.nruh; 433773064edfSJesper Devantier 433873064edfSJesper Devantier if (unlikely(npid >= MIN(NVME_FDP_MAXPIDS, maxnpid))) { 433973064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 434073064edfSJesper Devantier } 434173064edfSJesper Devantier 434273064edfSJesper Devantier pids = g_new(uint16_t, npid); 434373064edfSJesper Devantier 434473064edfSJesper Devantier ret = nvme_h2c(n, pids, npid * sizeof(uint16_t), req); 434573064edfSJesper Devantier if (ret) { 434673064edfSJesper Devantier return ret; 434773064edfSJesper Devantier } 434873064edfSJesper Devantier 434973064edfSJesper Devantier for (; i < npid; i++) { 435073064edfSJesper Devantier if (!nvme_update_ruh(n, ns, pids[i])) { 435173064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 435273064edfSJesper Devantier } 435373064edfSJesper Devantier } 435473064edfSJesper Devantier 435573064edfSJesper Devantier return ret; 435673064edfSJesper Devantier } 435773064edfSJesper Devantier 435873064edfSJesper Devantier static uint16_t nvme_io_mgmt_send(NvmeCtrl *n, NvmeRequest *req) 435973064edfSJesper Devantier { 436073064edfSJesper Devantier NvmeCmd *cmd = &req->cmd; 436173064edfSJesper Devantier uint32_t cdw10 = le32_to_cpu(cmd->cdw10); 436273064edfSJesper Devantier uint8_t mo = (cdw10 & 0xff); 436373064edfSJesper Devantier 436473064edfSJesper Devantier switch (mo) { 436573064edfSJesper Devantier case NVME_IOMS_MO_NOP: 436673064edfSJesper Devantier return 0; 436773064edfSJesper Devantier case NVME_IOMS_MO_RUH_UPDATE: 436873064edfSJesper Devantier return nvme_io_mgmt_send_ruh_update(n, req); 436973064edfSJesper Devantier default: 437073064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 437173064edfSJesper Devantier }; 437273064edfSJesper Devantier } 437373064edfSJesper Devantier 437488eea45cSKlaus Jensen static uint16_t nvme_io_cmd(NvmeCtrl *n, NvmeRequest *req) 437588eea45cSKlaus Jensen { 437688eea45cSKlaus Jensen NvmeNamespace *ns; 437788eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 437888eea45cSKlaus Jensen 437988eea45cSKlaus Jensen trace_pci_nvme_io_cmd(nvme_cid(req), nsid, nvme_sqid(req), 438088eea45cSKlaus Jensen req->cmd.opcode, nvme_io_opc_str(req->cmd.opcode)); 438188eea45cSKlaus Jensen 438288eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 438388eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 438488eea45cSKlaus Jensen } 438588eea45cSKlaus Jensen 438688eea45cSKlaus Jensen /* 438788eea45cSKlaus Jensen * In the base NVM command set, Flush may apply to all namespaces 438888eea45cSKlaus Jensen * (indicated by NSID being set to FFFFFFFFh). But if that feature is used 438988eea45cSKlaus Jensen * along with TP 4056 (Namespace Types), it may be pretty screwed up. 439088eea45cSKlaus Jensen * 439188eea45cSKlaus Jensen * If NSID is indeed set to FFFFFFFFh, we simply cannot associate the 439288eea45cSKlaus Jensen * opcode with a specific command since we cannot determine a unique I/O 439388eea45cSKlaus Jensen * command set. Opcode 0h could have any other meaning than something 439488eea45cSKlaus Jensen * equivalent to flushing and say it DOES have completely different 439588eea45cSKlaus Jensen * semantics in some other command set - does an NSID of FFFFFFFFh then 439688eea45cSKlaus Jensen * mean "for all namespaces, apply whatever command set specific command 439788eea45cSKlaus Jensen * that uses the 0h opcode?" Or does it mean "for all namespaces, apply 439888eea45cSKlaus Jensen * whatever command that uses the 0h opcode if, and only if, it allows NSID 439988eea45cSKlaus Jensen * to be FFFFFFFFh"? 440088eea45cSKlaus Jensen * 440188eea45cSKlaus Jensen * Anyway (and luckily), for now, we do not care about this since the 440288eea45cSKlaus Jensen * device only supports namespace types that includes the NVM Flush command 440388eea45cSKlaus Jensen * (NVM and Zoned), so always do an NVM Flush. 440488eea45cSKlaus Jensen */ 440588eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_FLUSH) { 440688eea45cSKlaus Jensen return nvme_flush(n, req); 440788eea45cSKlaus Jensen } 440888eea45cSKlaus Jensen 440988eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 441088eea45cSKlaus Jensen if (unlikely(!ns)) { 441188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 441288eea45cSKlaus Jensen } 441388eea45cSKlaus Jensen 441488eea45cSKlaus Jensen if (!(ns->iocs[req->cmd.opcode] & NVME_CMD_EFF_CSUPP)) { 441588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_opc(req->cmd.opcode); 441688eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 441788eea45cSKlaus Jensen } 441888eea45cSKlaus Jensen 441988eea45cSKlaus Jensen if (ns->status) { 442088eea45cSKlaus Jensen return ns->status; 442188eea45cSKlaus Jensen } 442288eea45cSKlaus Jensen 4423c53a9a91SPankaj Raghav if (NVME_CMD_FLAGS_FUSE(req->cmd.flags)) { 4424c53a9a91SPankaj Raghav return NVME_INVALID_FIELD; 4425c53a9a91SPankaj Raghav } 4426c53a9a91SPankaj Raghav 442788eea45cSKlaus Jensen req->ns = ns; 442888eea45cSKlaus Jensen 442988eea45cSKlaus Jensen switch (req->cmd.opcode) { 443088eea45cSKlaus Jensen case NVME_CMD_WRITE_ZEROES: 443188eea45cSKlaus Jensen return nvme_write_zeroes(n, req); 443288eea45cSKlaus Jensen case NVME_CMD_ZONE_APPEND: 443388eea45cSKlaus Jensen return nvme_zone_append(n, req); 443488eea45cSKlaus Jensen case NVME_CMD_WRITE: 443588eea45cSKlaus Jensen return nvme_write(n, req); 443688eea45cSKlaus Jensen case NVME_CMD_READ: 443788eea45cSKlaus Jensen return nvme_read(n, req); 443888eea45cSKlaus Jensen case NVME_CMD_COMPARE: 443988eea45cSKlaus Jensen return nvme_compare(n, req); 444088eea45cSKlaus Jensen case NVME_CMD_DSM: 444188eea45cSKlaus Jensen return nvme_dsm(n, req); 444288eea45cSKlaus Jensen case NVME_CMD_VERIFY: 444388eea45cSKlaus Jensen return nvme_verify(n, req); 444488eea45cSKlaus Jensen case NVME_CMD_COPY: 444588eea45cSKlaus Jensen return nvme_copy(n, req); 444688eea45cSKlaus Jensen case NVME_CMD_ZONE_MGMT_SEND: 444788eea45cSKlaus Jensen return nvme_zone_mgmt_send(n, req); 444888eea45cSKlaus Jensen case NVME_CMD_ZONE_MGMT_RECV: 444988eea45cSKlaus Jensen return nvme_zone_mgmt_recv(n, req); 445073064edfSJesper Devantier case NVME_CMD_IO_MGMT_RECV: 445173064edfSJesper Devantier return nvme_io_mgmt_recv(n, req); 445273064edfSJesper Devantier case NVME_CMD_IO_MGMT_SEND: 445373064edfSJesper Devantier return nvme_io_mgmt_send(n, req); 445488eea45cSKlaus Jensen default: 445588eea45cSKlaus Jensen assert(false); 445688eea45cSKlaus Jensen } 445788eea45cSKlaus Jensen 445888eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 445988eea45cSKlaus Jensen } 446088eea45cSKlaus Jensen 44612e53b0b4SJinhao Fan static void nvme_cq_notifier(EventNotifier *e) 44622e53b0b4SJinhao Fan { 44632e53b0b4SJinhao Fan NvmeCQueue *cq = container_of(e, NvmeCQueue, notifier); 44642e53b0b4SJinhao Fan NvmeCtrl *n = cq->ctrl; 44652e53b0b4SJinhao Fan 4466a2da7377SKlaus Jensen if (!event_notifier_test_and_clear(e)) { 4467a2da7377SKlaus Jensen return; 4468a2da7377SKlaus Jensen } 44692e53b0b4SJinhao Fan 44702e53b0b4SJinhao Fan nvme_update_cq_head(cq); 44712e53b0b4SJinhao Fan 44722e53b0b4SJinhao Fan if (cq->tail == cq->head) { 44732e53b0b4SJinhao Fan if (cq->irq_enabled) { 44742e53b0b4SJinhao Fan n->cq_pending--; 44752e53b0b4SJinhao Fan } 44762e53b0b4SJinhao Fan 44772e53b0b4SJinhao Fan nvme_irq_deassert(n, cq); 44782e53b0b4SJinhao Fan } 44792e53b0b4SJinhao Fan 4480d38cc6fdSKlaus Jensen qemu_bh_schedule(cq->bh); 44812e53b0b4SJinhao Fan } 44822e53b0b4SJinhao Fan 44832e53b0b4SJinhao Fan static int nvme_init_cq_ioeventfd(NvmeCQueue *cq) 44842e53b0b4SJinhao Fan { 44852e53b0b4SJinhao Fan NvmeCtrl *n = cq->ctrl; 44862e53b0b4SJinhao Fan uint16_t offset = (cq->cqid << 3) + (1 << 2); 44872e53b0b4SJinhao Fan int ret; 44882e53b0b4SJinhao Fan 44892e53b0b4SJinhao Fan ret = event_notifier_init(&cq->notifier, 0); 44902e53b0b4SJinhao Fan if (ret < 0) { 44912e53b0b4SJinhao Fan return ret; 44922e53b0b4SJinhao Fan } 44932e53b0b4SJinhao Fan 44942e53b0b4SJinhao Fan event_notifier_set_handler(&cq->notifier, nvme_cq_notifier); 44952e53b0b4SJinhao Fan memory_region_add_eventfd(&n->iomem, 44962e53b0b4SJinhao Fan 0x1000 + offset, 4, false, 0, &cq->notifier); 44972e53b0b4SJinhao Fan 44982e53b0b4SJinhao Fan return 0; 44992e53b0b4SJinhao Fan } 45002e53b0b4SJinhao Fan 45012e53b0b4SJinhao Fan static void nvme_sq_notifier(EventNotifier *e) 45022e53b0b4SJinhao Fan { 45032e53b0b4SJinhao Fan NvmeSQueue *sq = container_of(e, NvmeSQueue, notifier); 45042e53b0b4SJinhao Fan 4505a2da7377SKlaus Jensen if (!event_notifier_test_and_clear(e)) { 4506a2da7377SKlaus Jensen return; 4507a2da7377SKlaus Jensen } 45082e53b0b4SJinhao Fan 45092e53b0b4SJinhao Fan nvme_process_sq(sq); 45102e53b0b4SJinhao Fan } 45112e53b0b4SJinhao Fan 45122e53b0b4SJinhao Fan static int nvme_init_sq_ioeventfd(NvmeSQueue *sq) 45132e53b0b4SJinhao Fan { 45142e53b0b4SJinhao Fan NvmeCtrl *n = sq->ctrl; 45152e53b0b4SJinhao Fan uint16_t offset = sq->sqid << 3; 45162e53b0b4SJinhao Fan int ret; 45172e53b0b4SJinhao Fan 45182e53b0b4SJinhao Fan ret = event_notifier_init(&sq->notifier, 0); 45192e53b0b4SJinhao Fan if (ret < 0) { 45202e53b0b4SJinhao Fan return ret; 45212e53b0b4SJinhao Fan } 45222e53b0b4SJinhao Fan 45232e53b0b4SJinhao Fan event_notifier_set_handler(&sq->notifier, nvme_sq_notifier); 45242e53b0b4SJinhao Fan memory_region_add_eventfd(&n->iomem, 45252e53b0b4SJinhao Fan 0x1000 + offset, 4, false, 0, &sq->notifier); 45262e53b0b4SJinhao Fan 45272e53b0b4SJinhao Fan return 0; 45282e53b0b4SJinhao Fan } 45292e53b0b4SJinhao Fan 453088eea45cSKlaus Jensen static void nvme_free_sq(NvmeSQueue *sq, NvmeCtrl *n) 453188eea45cSKlaus Jensen { 45322e53b0b4SJinhao Fan uint16_t offset = sq->sqid << 3; 45332e53b0b4SJinhao Fan 453488eea45cSKlaus Jensen n->sq[sq->sqid] = NULL; 4535d38cc6fdSKlaus Jensen qemu_bh_delete(sq->bh); 45362e53b0b4SJinhao Fan if (sq->ioeventfd_enabled) { 45372e53b0b4SJinhao Fan memory_region_del_eventfd(&n->iomem, 45382e53b0b4SJinhao Fan 0x1000 + offset, 4, false, 0, &sq->notifier); 453904e8da88SKlaus Jensen event_notifier_set_handler(&sq->notifier, NULL); 45402e53b0b4SJinhao Fan event_notifier_cleanup(&sq->notifier); 45412e53b0b4SJinhao Fan } 454288eea45cSKlaus Jensen g_free(sq->io_req); 454388eea45cSKlaus Jensen if (sq->sqid) { 454488eea45cSKlaus Jensen g_free(sq); 454588eea45cSKlaus Jensen } 454688eea45cSKlaus Jensen } 454788eea45cSKlaus Jensen 454888eea45cSKlaus Jensen static uint16_t nvme_del_sq(NvmeCtrl *n, NvmeRequest *req) 454988eea45cSKlaus Jensen { 455088eea45cSKlaus Jensen NvmeDeleteQ *c = (NvmeDeleteQ *)&req->cmd; 455188eea45cSKlaus Jensen NvmeRequest *r, *next; 455288eea45cSKlaus Jensen NvmeSQueue *sq; 455388eea45cSKlaus Jensen NvmeCQueue *cq; 455488eea45cSKlaus Jensen uint16_t qid = le16_to_cpu(c->qid); 455588eea45cSKlaus Jensen 455688eea45cSKlaus Jensen if (unlikely(!qid || nvme_check_sqid(n, qid))) { 455788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_sq(qid); 455888eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 455988eea45cSKlaus Jensen } 456088eea45cSKlaus Jensen 456188eea45cSKlaus Jensen trace_pci_nvme_del_sq(qid); 456288eea45cSKlaus Jensen 456388eea45cSKlaus Jensen sq = n->sq[qid]; 456488eea45cSKlaus Jensen while (!QTAILQ_EMPTY(&sq->out_req_list)) { 456588eea45cSKlaus Jensen r = QTAILQ_FIRST(&sq->out_req_list); 4566e76fb260SKlaus Jensen assert(r->aiocb); 456788eea45cSKlaus Jensen blk_aio_cancel(r->aiocb); 456888eea45cSKlaus Jensen } 456988eea45cSKlaus Jensen 457088eea45cSKlaus Jensen assert(QTAILQ_EMPTY(&sq->out_req_list)); 457188eea45cSKlaus Jensen 457288eea45cSKlaus Jensen if (!nvme_check_cqid(n, sq->cqid)) { 457388eea45cSKlaus Jensen cq = n->cq[sq->cqid]; 457488eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->sq_list, sq, entry); 457588eea45cSKlaus Jensen 457688eea45cSKlaus Jensen nvme_post_cqes(cq); 457788eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(r, &cq->req_list, entry, next) { 457888eea45cSKlaus Jensen if (r->sq == sq) { 457988eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->req_list, r, entry); 458088eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->req_list, r, entry); 458188eea45cSKlaus Jensen } 458288eea45cSKlaus Jensen } 458388eea45cSKlaus Jensen } 458488eea45cSKlaus Jensen 458588eea45cSKlaus Jensen nvme_free_sq(sq, n); 458688eea45cSKlaus Jensen return NVME_SUCCESS; 458788eea45cSKlaus Jensen } 458888eea45cSKlaus Jensen 458988eea45cSKlaus Jensen static void nvme_init_sq(NvmeSQueue *sq, NvmeCtrl *n, uint64_t dma_addr, 459088eea45cSKlaus Jensen uint16_t sqid, uint16_t cqid, uint16_t size) 459188eea45cSKlaus Jensen { 459288eea45cSKlaus Jensen int i; 459388eea45cSKlaus Jensen NvmeCQueue *cq; 459488eea45cSKlaus Jensen 459588eea45cSKlaus Jensen sq->ctrl = n; 459688eea45cSKlaus Jensen sq->dma_addr = dma_addr; 459788eea45cSKlaus Jensen sq->sqid = sqid; 459888eea45cSKlaus Jensen sq->size = size; 459988eea45cSKlaus Jensen sq->cqid = cqid; 460088eea45cSKlaus Jensen sq->head = sq->tail = 0; 460188eea45cSKlaus Jensen sq->io_req = g_new0(NvmeRequest, sq->size); 460288eea45cSKlaus Jensen 460388eea45cSKlaus Jensen QTAILQ_INIT(&sq->req_list); 460488eea45cSKlaus Jensen QTAILQ_INIT(&sq->out_req_list); 460588eea45cSKlaus Jensen for (i = 0; i < sq->size; i++) { 460688eea45cSKlaus Jensen sq->io_req[i].sq = sq; 460788eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&(sq->req_list), &sq->io_req[i], entry); 460888eea45cSKlaus Jensen } 4609d38cc6fdSKlaus Jensen 4610*f63192b0SAlexander Bulekov sq->bh = qemu_bh_new_guarded(nvme_process_sq, sq, 4611*f63192b0SAlexander Bulekov &DEVICE(sq->ctrl)->mem_reentrancy_guard); 461288eea45cSKlaus Jensen 46133f7fe8deSJinhao Fan if (n->dbbuf_enabled) { 46143f7fe8deSJinhao Fan sq->db_addr = n->dbbuf_dbs + (sqid << 3); 46153f7fe8deSJinhao Fan sq->ei_addr = n->dbbuf_eis + (sqid << 3); 46162e53b0b4SJinhao Fan 46172e53b0b4SJinhao Fan if (n->params.ioeventfd && sq->sqid != 0) { 46182e53b0b4SJinhao Fan if (!nvme_init_sq_ioeventfd(sq)) { 46192e53b0b4SJinhao Fan sq->ioeventfd_enabled = true; 46202e53b0b4SJinhao Fan } 46212e53b0b4SJinhao Fan } 46223f7fe8deSJinhao Fan } 46233f7fe8deSJinhao Fan 462488eea45cSKlaus Jensen assert(n->cq[cqid]); 462588eea45cSKlaus Jensen cq = n->cq[cqid]; 462688eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&(cq->sq_list), sq, entry); 462788eea45cSKlaus Jensen n->sq[sqid] = sq; 462888eea45cSKlaus Jensen } 462988eea45cSKlaus Jensen 463088eea45cSKlaus Jensen static uint16_t nvme_create_sq(NvmeCtrl *n, NvmeRequest *req) 463188eea45cSKlaus Jensen { 463288eea45cSKlaus Jensen NvmeSQueue *sq; 463388eea45cSKlaus Jensen NvmeCreateSq *c = (NvmeCreateSq *)&req->cmd; 463488eea45cSKlaus Jensen 463588eea45cSKlaus Jensen uint16_t cqid = le16_to_cpu(c->cqid); 463688eea45cSKlaus Jensen uint16_t sqid = le16_to_cpu(c->sqid); 463788eea45cSKlaus Jensen uint16_t qsize = le16_to_cpu(c->qsize); 463888eea45cSKlaus Jensen uint16_t qflags = le16_to_cpu(c->sq_flags); 463988eea45cSKlaus Jensen uint64_t prp1 = le64_to_cpu(c->prp1); 464088eea45cSKlaus Jensen 464188eea45cSKlaus Jensen trace_pci_nvme_create_sq(prp1, sqid, cqid, qsize, qflags); 464288eea45cSKlaus Jensen 464388eea45cSKlaus Jensen if (unlikely(!cqid || nvme_check_cqid(n, cqid))) { 464488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_cqid(cqid); 464588eea45cSKlaus Jensen return NVME_INVALID_CQID | NVME_DNR; 464688eea45cSKlaus Jensen } 4647decc0261SŁukasz Gieryk if (unlikely(!sqid || sqid > n->conf_ioqpairs || n->sq[sqid] != NULL)) { 464888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_sqid(sqid); 464988eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 465088eea45cSKlaus Jensen } 465149e03457SKlaus Jensen if (unlikely(!qsize || qsize > NVME_CAP_MQES(ldq_le_p(&n->bar.cap)))) { 465288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_size(qsize); 465388eea45cSKlaus Jensen return NVME_MAX_QSIZE_EXCEEDED | NVME_DNR; 465488eea45cSKlaus Jensen } 465588eea45cSKlaus Jensen if (unlikely(prp1 & (n->page_size - 1))) { 465688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_addr(prp1); 465788eea45cSKlaus Jensen return NVME_INVALID_PRP_OFFSET | NVME_DNR; 465888eea45cSKlaus Jensen } 465988eea45cSKlaus Jensen if (unlikely(!(NVME_SQ_FLAGS_PC(qflags)))) { 466088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_qflags(NVME_SQ_FLAGS_PC(qflags)); 466188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 466288eea45cSKlaus Jensen } 466388eea45cSKlaus Jensen sq = g_malloc0(sizeof(*sq)); 466488eea45cSKlaus Jensen nvme_init_sq(sq, n, prp1, sqid, cqid, qsize + 1); 466588eea45cSKlaus Jensen return NVME_SUCCESS; 466688eea45cSKlaus Jensen } 466788eea45cSKlaus Jensen 466888eea45cSKlaus Jensen struct nvme_stats { 466988eea45cSKlaus Jensen uint64_t units_read; 467088eea45cSKlaus Jensen uint64_t units_written; 467188eea45cSKlaus Jensen uint64_t read_commands; 467288eea45cSKlaus Jensen uint64_t write_commands; 467388eea45cSKlaus Jensen }; 467488eea45cSKlaus Jensen 467588eea45cSKlaus Jensen static void nvme_set_blk_stats(NvmeNamespace *ns, struct nvme_stats *stats) 467688eea45cSKlaus Jensen { 467788eea45cSKlaus Jensen BlockAcctStats *s = blk_get_stats(ns->blkconf.blk); 467888eea45cSKlaus Jensen 4679a555af17SJoel Granados stats->units_read += s->nr_bytes[BLOCK_ACCT_READ]; 4680a555af17SJoel Granados stats->units_written += s->nr_bytes[BLOCK_ACCT_WRITE]; 468188eea45cSKlaus Jensen stats->read_commands += s->nr_ops[BLOCK_ACCT_READ]; 468288eea45cSKlaus Jensen stats->write_commands += s->nr_ops[BLOCK_ACCT_WRITE]; 468388eea45cSKlaus Jensen } 468488eea45cSKlaus Jensen 468588eea45cSKlaus Jensen static uint16_t nvme_smart_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 468688eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 468788eea45cSKlaus Jensen { 468888eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 468988eea45cSKlaus Jensen struct nvme_stats stats = { 0 }; 469088eea45cSKlaus Jensen NvmeSmartLog smart = { 0 }; 469188eea45cSKlaus Jensen uint32_t trans_len; 469288eea45cSKlaus Jensen NvmeNamespace *ns; 469388eea45cSKlaus Jensen time_t current_ms; 4694a555af17SJoel Granados uint64_t u_read, u_written; 469588eea45cSKlaus Jensen 469688eea45cSKlaus Jensen if (off >= sizeof(smart)) { 469788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 469888eea45cSKlaus Jensen } 469988eea45cSKlaus Jensen 470088eea45cSKlaus Jensen if (nsid != 0xffffffff) { 470188eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 470288eea45cSKlaus Jensen if (!ns) { 470388eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 470488eea45cSKlaus Jensen } 470588eea45cSKlaus Jensen nvme_set_blk_stats(ns, &stats); 470688eea45cSKlaus Jensen } else { 470788eea45cSKlaus Jensen int i; 470888eea45cSKlaus Jensen 470988eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 471088eea45cSKlaus Jensen ns = nvme_ns(n, i); 471188eea45cSKlaus Jensen if (!ns) { 471288eea45cSKlaus Jensen continue; 471388eea45cSKlaus Jensen } 471488eea45cSKlaus Jensen nvme_set_blk_stats(ns, &stats); 471588eea45cSKlaus Jensen } 471688eea45cSKlaus Jensen } 471788eea45cSKlaus Jensen 471888eea45cSKlaus Jensen trans_len = MIN(sizeof(smart) - off, buf_len); 471988eea45cSKlaus Jensen smart.critical_warning = n->smart_critical_warning; 472088eea45cSKlaus Jensen 4721a555af17SJoel Granados u_read = DIV_ROUND_UP(stats.units_read >> BDRV_SECTOR_BITS, 1000); 4722a555af17SJoel Granados u_written = DIV_ROUND_UP(stats.units_written >> BDRV_SECTOR_BITS, 1000); 4723a555af17SJoel Granados 4724a555af17SJoel Granados smart.data_units_read[0] = cpu_to_le64(u_read); 4725a555af17SJoel Granados smart.data_units_written[0] = cpu_to_le64(u_written); 472688eea45cSKlaus Jensen smart.host_read_commands[0] = cpu_to_le64(stats.read_commands); 472788eea45cSKlaus Jensen smart.host_write_commands[0] = cpu_to_le64(stats.write_commands); 472888eea45cSKlaus Jensen 472988eea45cSKlaus Jensen smart.temperature = cpu_to_le16(n->temperature); 473088eea45cSKlaus Jensen 473188eea45cSKlaus Jensen if ((n->temperature >= n->features.temp_thresh_hi) || 473288eea45cSKlaus Jensen (n->temperature <= n->features.temp_thresh_low)) { 473388eea45cSKlaus Jensen smart.critical_warning |= NVME_SMART_TEMPERATURE; 473488eea45cSKlaus Jensen } 473588eea45cSKlaus Jensen 473688eea45cSKlaus Jensen current_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 473788eea45cSKlaus Jensen smart.power_on_hours[0] = 473888eea45cSKlaus Jensen cpu_to_le64((((current_ms - n->starttime_ms) / 1000) / 60) / 60); 473988eea45cSKlaus Jensen 474088eea45cSKlaus Jensen if (!rae) { 474188eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_SMART); 474288eea45cSKlaus Jensen } 474388eea45cSKlaus Jensen 474488eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *) &smart + off, trans_len, req); 474588eea45cSKlaus Jensen } 474688eea45cSKlaus Jensen 4747771dbc3aSKlaus Jensen static uint16_t nvme_endgrp_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 4748771dbc3aSKlaus Jensen uint64_t off, NvmeRequest *req) 4749771dbc3aSKlaus Jensen { 4750771dbc3aSKlaus Jensen uint32_t dw11 = le32_to_cpu(req->cmd.cdw11); 4751771dbc3aSKlaus Jensen uint16_t endgrpid = (dw11 >> 16) & 0xffff; 4752771dbc3aSKlaus Jensen struct nvme_stats stats = {}; 4753771dbc3aSKlaus Jensen NvmeEndGrpLog info = {}; 4754771dbc3aSKlaus Jensen int i; 4755771dbc3aSKlaus Jensen 4756771dbc3aSKlaus Jensen if (!n->subsys || endgrpid != 0x1) { 4757771dbc3aSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 4758771dbc3aSKlaus Jensen } 4759771dbc3aSKlaus Jensen 4760771dbc3aSKlaus Jensen if (off >= sizeof(info)) { 4761771dbc3aSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 4762771dbc3aSKlaus Jensen } 4763771dbc3aSKlaus Jensen 4764771dbc3aSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 4765771dbc3aSKlaus Jensen NvmeNamespace *ns = nvme_subsys_ns(n->subsys, i); 4766771dbc3aSKlaus Jensen if (!ns) { 4767771dbc3aSKlaus Jensen continue; 4768771dbc3aSKlaus Jensen } 4769771dbc3aSKlaus Jensen 4770771dbc3aSKlaus Jensen nvme_set_blk_stats(ns, &stats); 4771771dbc3aSKlaus Jensen } 4772771dbc3aSKlaus Jensen 4773771dbc3aSKlaus Jensen info.data_units_read[0] = 4774771dbc3aSKlaus Jensen cpu_to_le64(DIV_ROUND_UP(stats.units_read / 1000000000, 1000000000)); 4775771dbc3aSKlaus Jensen info.data_units_written[0] = 4776771dbc3aSKlaus Jensen cpu_to_le64(DIV_ROUND_UP(stats.units_written / 1000000000, 1000000000)); 4777771dbc3aSKlaus Jensen info.media_units_written[0] = 4778771dbc3aSKlaus Jensen cpu_to_le64(DIV_ROUND_UP(stats.units_written / 1000000000, 1000000000)); 4779771dbc3aSKlaus Jensen 4780771dbc3aSKlaus Jensen info.host_read_commands[0] = cpu_to_le64(stats.read_commands); 4781771dbc3aSKlaus Jensen info.host_write_commands[0] = cpu_to_le64(stats.write_commands); 4782771dbc3aSKlaus Jensen 4783771dbc3aSKlaus Jensen buf_len = MIN(sizeof(info) - off, buf_len); 4784771dbc3aSKlaus Jensen 4785771dbc3aSKlaus Jensen return nvme_c2h(n, (uint8_t *)&info + off, buf_len, req); 4786771dbc3aSKlaus Jensen } 4787771dbc3aSKlaus Jensen 4788771dbc3aSKlaus Jensen 478988eea45cSKlaus Jensen static uint16_t nvme_fw_log_info(NvmeCtrl *n, uint32_t buf_len, uint64_t off, 479088eea45cSKlaus Jensen NvmeRequest *req) 479188eea45cSKlaus Jensen { 479288eea45cSKlaus Jensen uint32_t trans_len; 479388eea45cSKlaus Jensen NvmeFwSlotInfoLog fw_log = { 479488eea45cSKlaus Jensen .afi = 0x1, 479588eea45cSKlaus Jensen }; 479688eea45cSKlaus Jensen 479788eea45cSKlaus Jensen if (off >= sizeof(fw_log)) { 479888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 479988eea45cSKlaus Jensen } 480088eea45cSKlaus Jensen 480188eea45cSKlaus Jensen strpadcpy((char *)&fw_log.frs1, sizeof(fw_log.frs1), "1.0", ' '); 480288eea45cSKlaus Jensen trans_len = MIN(sizeof(fw_log) - off, buf_len); 480388eea45cSKlaus Jensen 480488eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *) &fw_log + off, trans_len, req); 480588eea45cSKlaus Jensen } 480688eea45cSKlaus Jensen 480788eea45cSKlaus Jensen static uint16_t nvme_error_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 480888eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 480988eea45cSKlaus Jensen { 481088eea45cSKlaus Jensen uint32_t trans_len; 481188eea45cSKlaus Jensen NvmeErrorLog errlog; 481288eea45cSKlaus Jensen 481388eea45cSKlaus Jensen if (off >= sizeof(errlog)) { 481488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 481588eea45cSKlaus Jensen } 481688eea45cSKlaus Jensen 481788eea45cSKlaus Jensen if (!rae) { 481888eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_ERROR); 481988eea45cSKlaus Jensen } 482088eea45cSKlaus Jensen 482188eea45cSKlaus Jensen memset(&errlog, 0x0, sizeof(errlog)); 482288eea45cSKlaus Jensen trans_len = MIN(sizeof(errlog) - off, buf_len); 482388eea45cSKlaus Jensen 482488eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&errlog, trans_len, req); 482588eea45cSKlaus Jensen } 482688eea45cSKlaus Jensen 482788eea45cSKlaus Jensen static uint16_t nvme_changed_nslist(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 482888eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 482988eea45cSKlaus Jensen { 483088eea45cSKlaus Jensen uint32_t nslist[1024]; 483188eea45cSKlaus Jensen uint32_t trans_len; 483288eea45cSKlaus Jensen int i = 0; 483388eea45cSKlaus Jensen uint32_t nsid; 483488eea45cSKlaus Jensen 4835e2c57529SKlaus Jensen if (off >= sizeof(nslist)) { 4836e2c57529SKlaus Jensen trace_pci_nvme_err_invalid_log_page_offset(off, sizeof(nslist)); 4837e2c57529SKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 4838e2c57529SKlaus Jensen } 4839e2c57529SKlaus Jensen 484088eea45cSKlaus Jensen memset(nslist, 0x0, sizeof(nslist)); 484188eea45cSKlaus Jensen trans_len = MIN(sizeof(nslist) - off, buf_len); 484288eea45cSKlaus Jensen 484388eea45cSKlaus Jensen while ((nsid = find_first_bit(n->changed_nsids, NVME_CHANGED_NSID_SIZE)) != 484488eea45cSKlaus Jensen NVME_CHANGED_NSID_SIZE) { 484588eea45cSKlaus Jensen /* 484688eea45cSKlaus Jensen * If more than 1024 namespaces, the first entry in the log page should 484788eea45cSKlaus Jensen * be set to FFFFFFFFh and the others to 0 as spec. 484888eea45cSKlaus Jensen */ 484988eea45cSKlaus Jensen if (i == ARRAY_SIZE(nslist)) { 485088eea45cSKlaus Jensen memset(nslist, 0x0, sizeof(nslist)); 485188eea45cSKlaus Jensen nslist[0] = 0xffffffff; 485288eea45cSKlaus Jensen break; 485388eea45cSKlaus Jensen } 485488eea45cSKlaus Jensen 485588eea45cSKlaus Jensen nslist[i++] = nsid; 485688eea45cSKlaus Jensen clear_bit(nsid, n->changed_nsids); 485788eea45cSKlaus Jensen } 485888eea45cSKlaus Jensen 485988eea45cSKlaus Jensen /* 486088eea45cSKlaus Jensen * Remove all the remaining list entries in case returns directly due to 486188eea45cSKlaus Jensen * more than 1024 namespaces. 486288eea45cSKlaus Jensen */ 486388eea45cSKlaus Jensen if (nslist[0] == 0xffffffff) { 486488eea45cSKlaus Jensen bitmap_zero(n->changed_nsids, NVME_CHANGED_NSID_SIZE); 486588eea45cSKlaus Jensen } 486688eea45cSKlaus Jensen 486788eea45cSKlaus Jensen if (!rae) { 486888eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_NOTICE); 486988eea45cSKlaus Jensen } 487088eea45cSKlaus Jensen 487188eea45cSKlaus Jensen return nvme_c2h(n, ((uint8_t *)nslist) + off, trans_len, req); 487288eea45cSKlaus Jensen } 487388eea45cSKlaus Jensen 487488eea45cSKlaus Jensen static uint16_t nvme_cmd_effects(NvmeCtrl *n, uint8_t csi, uint32_t buf_len, 487588eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 487688eea45cSKlaus Jensen { 487788eea45cSKlaus Jensen NvmeEffectsLog log = {}; 487888eea45cSKlaus Jensen const uint32_t *src_iocs = NULL; 487988eea45cSKlaus Jensen uint32_t trans_len; 488088eea45cSKlaus Jensen 488188eea45cSKlaus Jensen if (off >= sizeof(log)) { 488288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_log_page_offset(off, sizeof(log)); 488388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 488488eea45cSKlaus Jensen } 488588eea45cSKlaus Jensen 488649e03457SKlaus Jensen switch (NVME_CC_CSS(ldl_le_p(&n->bar.cc))) { 488788eea45cSKlaus Jensen case NVME_CC_CSS_NVM: 488888eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_nvm; 488988eea45cSKlaus Jensen /* fall through */ 489088eea45cSKlaus Jensen case NVME_CC_CSS_ADMIN_ONLY: 489188eea45cSKlaus Jensen break; 489288eea45cSKlaus Jensen case NVME_CC_CSS_CSI: 489388eea45cSKlaus Jensen switch (csi) { 489488eea45cSKlaus Jensen case NVME_CSI_NVM: 489588eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_nvm; 489688eea45cSKlaus Jensen break; 489788eea45cSKlaus Jensen case NVME_CSI_ZONED: 489888eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_zoned; 489988eea45cSKlaus Jensen break; 490088eea45cSKlaus Jensen } 490188eea45cSKlaus Jensen } 490288eea45cSKlaus Jensen 490388eea45cSKlaus Jensen memcpy(log.acs, nvme_cse_acs, sizeof(nvme_cse_acs)); 490488eea45cSKlaus Jensen 490588eea45cSKlaus Jensen if (src_iocs) { 490688eea45cSKlaus Jensen memcpy(log.iocs, src_iocs, sizeof(log.iocs)); 490788eea45cSKlaus Jensen } 490888eea45cSKlaus Jensen 490988eea45cSKlaus Jensen trans_len = MIN(sizeof(log) - off, buf_len); 491088eea45cSKlaus Jensen 491188eea45cSKlaus Jensen return nvme_c2h(n, ((uint8_t *)&log) + off, trans_len, req); 491288eea45cSKlaus Jensen } 491388eea45cSKlaus Jensen 491473064edfSJesper Devantier static size_t sizeof_fdp_conf_descr(size_t nruh, size_t vss) 491573064edfSJesper Devantier { 491673064edfSJesper Devantier size_t entry_siz = sizeof(NvmeFdpDescrHdr) + nruh * sizeof(NvmeRuhDescr) 491773064edfSJesper Devantier + vss; 491873064edfSJesper Devantier return ROUND_UP(entry_siz, 8); 491973064edfSJesper Devantier } 492073064edfSJesper Devantier 492173064edfSJesper Devantier static uint16_t nvme_fdp_confs(NvmeCtrl *n, uint32_t endgrpid, uint32_t buf_len, 492273064edfSJesper Devantier uint64_t off, NvmeRequest *req) 492373064edfSJesper Devantier { 492473064edfSJesper Devantier uint32_t log_size, trans_len; 492573064edfSJesper Devantier g_autofree uint8_t *buf = NULL; 492673064edfSJesper Devantier NvmeFdpDescrHdr *hdr; 492773064edfSJesper Devantier NvmeRuhDescr *ruhd; 492873064edfSJesper Devantier NvmeEnduranceGroup *endgrp; 492973064edfSJesper Devantier NvmeFdpConfsHdr *log; 493073064edfSJesper Devantier size_t nruh, fdp_descr_size; 493173064edfSJesper Devantier int i; 493273064edfSJesper Devantier 493373064edfSJesper Devantier if (endgrpid != 1 || !n->subsys) { 493473064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 493573064edfSJesper Devantier } 493673064edfSJesper Devantier 493773064edfSJesper Devantier endgrp = &n->subsys->endgrp; 493873064edfSJesper Devantier 493973064edfSJesper Devantier if (endgrp->fdp.enabled) { 494073064edfSJesper Devantier nruh = endgrp->fdp.nruh; 494173064edfSJesper Devantier } else { 494273064edfSJesper Devantier nruh = 1; 494373064edfSJesper Devantier } 494473064edfSJesper Devantier 494573064edfSJesper Devantier fdp_descr_size = sizeof_fdp_conf_descr(nruh, FDPVSS); 494673064edfSJesper Devantier log_size = sizeof(NvmeFdpConfsHdr) + fdp_descr_size; 494773064edfSJesper Devantier 494873064edfSJesper Devantier if (off >= log_size) { 494973064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 495073064edfSJesper Devantier } 495173064edfSJesper Devantier 495273064edfSJesper Devantier trans_len = MIN(log_size - off, buf_len); 495373064edfSJesper Devantier 495473064edfSJesper Devantier buf = g_malloc0(log_size); 495573064edfSJesper Devantier log = (NvmeFdpConfsHdr *)buf; 495673064edfSJesper Devantier hdr = (NvmeFdpDescrHdr *)(log + 1); 495773064edfSJesper Devantier ruhd = (NvmeRuhDescr *)(buf + sizeof(*log) + sizeof(*hdr)); 495873064edfSJesper Devantier 495973064edfSJesper Devantier log->num_confs = cpu_to_le16(0); 496073064edfSJesper Devantier log->size = cpu_to_le32(log_size); 496173064edfSJesper Devantier 496273064edfSJesper Devantier hdr->descr_size = cpu_to_le16(fdp_descr_size); 496373064edfSJesper Devantier if (endgrp->fdp.enabled) { 496473064edfSJesper Devantier hdr->fdpa = FIELD_DP8(hdr->fdpa, FDPA, VALID, 1); 496573064edfSJesper Devantier hdr->fdpa = FIELD_DP8(hdr->fdpa, FDPA, RGIF, endgrp->fdp.rgif); 496673064edfSJesper Devantier hdr->nrg = cpu_to_le16(endgrp->fdp.nrg); 496773064edfSJesper Devantier hdr->nruh = cpu_to_le16(endgrp->fdp.nruh); 496873064edfSJesper Devantier hdr->maxpids = cpu_to_le16(NVME_FDP_MAXPIDS - 1); 496973064edfSJesper Devantier hdr->nnss = cpu_to_le32(NVME_MAX_NAMESPACES); 497073064edfSJesper Devantier hdr->runs = cpu_to_le64(endgrp->fdp.runs); 497173064edfSJesper Devantier 497273064edfSJesper Devantier for (i = 0; i < nruh; i++) { 497373064edfSJesper Devantier ruhd->ruht = NVME_RUHT_INITIALLY_ISOLATED; 497473064edfSJesper Devantier ruhd++; 497573064edfSJesper Devantier } 497673064edfSJesper Devantier } else { 497773064edfSJesper Devantier /* 1 bit for RUH in PIF -> 2 RUHs max. */ 497873064edfSJesper Devantier hdr->nrg = cpu_to_le16(1); 497973064edfSJesper Devantier hdr->nruh = cpu_to_le16(1); 498073064edfSJesper Devantier hdr->maxpids = cpu_to_le16(NVME_FDP_MAXPIDS - 1); 498173064edfSJesper Devantier hdr->nnss = cpu_to_le32(1); 498273064edfSJesper Devantier hdr->runs = cpu_to_le64(96 * MiB); 498373064edfSJesper Devantier 498473064edfSJesper Devantier ruhd->ruht = NVME_RUHT_INITIALLY_ISOLATED; 498573064edfSJesper Devantier } 498673064edfSJesper Devantier 498773064edfSJesper Devantier return nvme_c2h(n, (uint8_t *)buf + off, trans_len, req); 498873064edfSJesper Devantier } 498973064edfSJesper Devantier 499073064edfSJesper Devantier static uint16_t nvme_fdp_ruh_usage(NvmeCtrl *n, uint32_t endgrpid, 499173064edfSJesper Devantier uint32_t dw10, uint32_t dw12, 499273064edfSJesper Devantier uint32_t buf_len, uint64_t off, 499373064edfSJesper Devantier NvmeRequest *req) 499473064edfSJesper Devantier { 499573064edfSJesper Devantier NvmeRuHandle *ruh; 499673064edfSJesper Devantier NvmeRuhuLog *hdr; 499773064edfSJesper Devantier NvmeRuhuDescr *ruhud; 499873064edfSJesper Devantier NvmeEnduranceGroup *endgrp; 499973064edfSJesper Devantier g_autofree uint8_t *buf = NULL; 500073064edfSJesper Devantier uint32_t log_size, trans_len; 500173064edfSJesper Devantier uint16_t i; 500273064edfSJesper Devantier 500373064edfSJesper Devantier if (endgrpid != 1 || !n->subsys) { 500473064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 500573064edfSJesper Devantier } 500673064edfSJesper Devantier 500773064edfSJesper Devantier endgrp = &n->subsys->endgrp; 500873064edfSJesper Devantier 500973064edfSJesper Devantier if (!endgrp->fdp.enabled) { 501073064edfSJesper Devantier return NVME_FDP_DISABLED | NVME_DNR; 501173064edfSJesper Devantier } 501273064edfSJesper Devantier 501373064edfSJesper Devantier log_size = sizeof(NvmeRuhuLog) + endgrp->fdp.nruh * sizeof(NvmeRuhuDescr); 501473064edfSJesper Devantier 501573064edfSJesper Devantier if (off >= log_size) { 501673064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 501773064edfSJesper Devantier } 501873064edfSJesper Devantier 501973064edfSJesper Devantier trans_len = MIN(log_size - off, buf_len); 502073064edfSJesper Devantier 502173064edfSJesper Devantier buf = g_malloc0(log_size); 502273064edfSJesper Devantier hdr = (NvmeRuhuLog *)buf; 502373064edfSJesper Devantier ruhud = (NvmeRuhuDescr *)(hdr + 1); 502473064edfSJesper Devantier 502573064edfSJesper Devantier ruh = endgrp->fdp.ruhs; 502673064edfSJesper Devantier hdr->nruh = cpu_to_le16(endgrp->fdp.nruh); 502773064edfSJesper Devantier 502873064edfSJesper Devantier for (i = 0; i < endgrp->fdp.nruh; i++, ruhud++, ruh++) { 502973064edfSJesper Devantier ruhud->ruha = ruh->ruha; 503073064edfSJesper Devantier } 503173064edfSJesper Devantier 503273064edfSJesper Devantier return nvme_c2h(n, (uint8_t *)buf + off, trans_len, req); 503373064edfSJesper Devantier } 503473064edfSJesper Devantier 503573064edfSJesper Devantier static uint16_t nvme_fdp_stats(NvmeCtrl *n, uint32_t endgrpid, uint32_t buf_len, 503673064edfSJesper Devantier uint64_t off, NvmeRequest *req) 503773064edfSJesper Devantier { 503873064edfSJesper Devantier NvmeEnduranceGroup *endgrp; 503973064edfSJesper Devantier NvmeFdpStatsLog log = {}; 504073064edfSJesper Devantier uint32_t trans_len; 504173064edfSJesper Devantier 504273064edfSJesper Devantier if (off >= sizeof(NvmeFdpStatsLog)) { 504373064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 504473064edfSJesper Devantier } 504573064edfSJesper Devantier 504673064edfSJesper Devantier if (endgrpid != 1 || !n->subsys) { 504773064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 504873064edfSJesper Devantier } 504973064edfSJesper Devantier 505073064edfSJesper Devantier if (!n->subsys->endgrp.fdp.enabled) { 505173064edfSJesper Devantier return NVME_FDP_DISABLED | NVME_DNR; 505273064edfSJesper Devantier } 505373064edfSJesper Devantier 505473064edfSJesper Devantier endgrp = &n->subsys->endgrp; 505573064edfSJesper Devantier 505673064edfSJesper Devantier trans_len = MIN(sizeof(log) - off, buf_len); 505773064edfSJesper Devantier 505873064edfSJesper Devantier /* spec value is 128 bit, we only use 64 bit */ 505973064edfSJesper Devantier log.hbmw[0] = cpu_to_le64(endgrp->fdp.hbmw); 506073064edfSJesper Devantier log.mbmw[0] = cpu_to_le64(endgrp->fdp.mbmw); 506173064edfSJesper Devantier log.mbe[0] = cpu_to_le64(endgrp->fdp.mbe); 506273064edfSJesper Devantier 506373064edfSJesper Devantier return nvme_c2h(n, (uint8_t *)&log + off, trans_len, req); 506473064edfSJesper Devantier } 506573064edfSJesper Devantier 506673064edfSJesper Devantier static uint16_t nvme_fdp_events(NvmeCtrl *n, uint32_t endgrpid, 506773064edfSJesper Devantier uint32_t buf_len, uint64_t off, 506873064edfSJesper Devantier NvmeRequest *req) 506973064edfSJesper Devantier { 507073064edfSJesper Devantier NvmeEnduranceGroup *endgrp; 507173064edfSJesper Devantier NvmeCmd *cmd = &req->cmd; 507273064edfSJesper Devantier bool host_events = (cmd->cdw10 >> 8) & 0x1; 507373064edfSJesper Devantier uint32_t log_size, trans_len; 507473064edfSJesper Devantier NvmeFdpEventBuffer *ebuf; 507573064edfSJesper Devantier g_autofree NvmeFdpEventsLog *elog = NULL; 507673064edfSJesper Devantier NvmeFdpEvent *event; 507773064edfSJesper Devantier 507873064edfSJesper Devantier if (endgrpid != 1 || !n->subsys) { 507973064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 508073064edfSJesper Devantier } 508173064edfSJesper Devantier 508273064edfSJesper Devantier endgrp = &n->subsys->endgrp; 508373064edfSJesper Devantier 508473064edfSJesper Devantier if (!endgrp->fdp.enabled) { 508573064edfSJesper Devantier return NVME_FDP_DISABLED | NVME_DNR; 508673064edfSJesper Devantier } 508773064edfSJesper Devantier 508873064edfSJesper Devantier if (host_events) { 508973064edfSJesper Devantier ebuf = &endgrp->fdp.host_events; 509073064edfSJesper Devantier } else { 509173064edfSJesper Devantier ebuf = &endgrp->fdp.ctrl_events; 509273064edfSJesper Devantier } 509373064edfSJesper Devantier 509473064edfSJesper Devantier log_size = sizeof(NvmeFdpEventsLog) + ebuf->nelems * sizeof(NvmeFdpEvent); 509573064edfSJesper Devantier trans_len = MIN(log_size - off, buf_len); 509673064edfSJesper Devantier elog = g_malloc0(log_size); 509773064edfSJesper Devantier elog->num_events = cpu_to_le32(ebuf->nelems); 509873064edfSJesper Devantier event = (NvmeFdpEvent *)(elog + 1); 509973064edfSJesper Devantier 510073064edfSJesper Devantier if (ebuf->nelems && ebuf->start == ebuf->next) { 510173064edfSJesper Devantier unsigned int nelems = (NVME_FDP_MAX_EVENTS - ebuf->start); 510273064edfSJesper Devantier /* wrap over, copy [start;NVME_FDP_MAX_EVENTS[ and [0; next[ */ 510373064edfSJesper Devantier memcpy(event, &ebuf->events[ebuf->start], 510473064edfSJesper Devantier sizeof(NvmeFdpEvent) * nelems); 510573064edfSJesper Devantier memcpy(event + nelems, ebuf->events, 510673064edfSJesper Devantier sizeof(NvmeFdpEvent) * ebuf->next); 510773064edfSJesper Devantier } else if (ebuf->start < ebuf->next) { 510873064edfSJesper Devantier memcpy(event, &ebuf->events[ebuf->start], 510973064edfSJesper Devantier sizeof(NvmeFdpEvent) * (ebuf->next - ebuf->start)); 511073064edfSJesper Devantier } 511173064edfSJesper Devantier 511273064edfSJesper Devantier return nvme_c2h(n, (uint8_t *)elog + off, trans_len, req); 511373064edfSJesper Devantier } 511473064edfSJesper Devantier 511588eea45cSKlaus Jensen static uint16_t nvme_get_log(NvmeCtrl *n, NvmeRequest *req) 511688eea45cSKlaus Jensen { 511788eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 511888eea45cSKlaus Jensen 511988eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 512088eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 512188eea45cSKlaus Jensen uint32_t dw12 = le32_to_cpu(cmd->cdw12); 512288eea45cSKlaus Jensen uint32_t dw13 = le32_to_cpu(cmd->cdw13); 512388eea45cSKlaus Jensen uint8_t lid = dw10 & 0xff; 512488eea45cSKlaus Jensen uint8_t lsp = (dw10 >> 8) & 0xf; 512588eea45cSKlaus Jensen uint8_t rae = (dw10 >> 15) & 0x1; 512688eea45cSKlaus Jensen uint8_t csi = le32_to_cpu(cmd->cdw14) >> 24; 512773064edfSJesper Devantier uint32_t numdl, numdu, lspi; 512888eea45cSKlaus Jensen uint64_t off, lpol, lpou; 512988eea45cSKlaus Jensen size_t len; 513088eea45cSKlaus Jensen uint16_t status; 513188eea45cSKlaus Jensen 513288eea45cSKlaus Jensen numdl = (dw10 >> 16); 513388eea45cSKlaus Jensen numdu = (dw11 & 0xffff); 513473064edfSJesper Devantier lspi = (dw11 >> 16); 513588eea45cSKlaus Jensen lpol = dw12; 513688eea45cSKlaus Jensen lpou = dw13; 513788eea45cSKlaus Jensen 513888eea45cSKlaus Jensen len = (((numdu << 16) | numdl) + 1) << 2; 513988eea45cSKlaus Jensen off = (lpou << 32ULL) | lpol; 514088eea45cSKlaus Jensen 514188eea45cSKlaus Jensen if (off & 0x3) { 514288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 514388eea45cSKlaus Jensen } 514488eea45cSKlaus Jensen 514588eea45cSKlaus Jensen trace_pci_nvme_get_log(nvme_cid(req), lid, lsp, rae, len, off); 514688eea45cSKlaus Jensen 514788eea45cSKlaus Jensen status = nvme_check_mdts(n, len); 514888eea45cSKlaus Jensen if (status) { 514988eea45cSKlaus Jensen return status; 515088eea45cSKlaus Jensen } 515188eea45cSKlaus Jensen 515288eea45cSKlaus Jensen switch (lid) { 515388eea45cSKlaus Jensen case NVME_LOG_ERROR_INFO: 515488eea45cSKlaus Jensen return nvme_error_info(n, rae, len, off, req); 515588eea45cSKlaus Jensen case NVME_LOG_SMART_INFO: 515688eea45cSKlaus Jensen return nvme_smart_info(n, rae, len, off, req); 515788eea45cSKlaus Jensen case NVME_LOG_FW_SLOT_INFO: 515888eea45cSKlaus Jensen return nvme_fw_log_info(n, len, off, req); 515988eea45cSKlaus Jensen case NVME_LOG_CHANGED_NSLIST: 516088eea45cSKlaus Jensen return nvme_changed_nslist(n, rae, len, off, req); 516188eea45cSKlaus Jensen case NVME_LOG_CMD_EFFECTS: 516288eea45cSKlaus Jensen return nvme_cmd_effects(n, csi, len, off, req); 5163771dbc3aSKlaus Jensen case NVME_LOG_ENDGRP: 5164771dbc3aSKlaus Jensen return nvme_endgrp_info(n, rae, len, off, req); 516573064edfSJesper Devantier case NVME_LOG_FDP_CONFS: 516673064edfSJesper Devantier return nvme_fdp_confs(n, lspi, len, off, req); 516773064edfSJesper Devantier case NVME_LOG_FDP_RUH_USAGE: 516873064edfSJesper Devantier return nvme_fdp_ruh_usage(n, lspi, dw10, dw12, len, off, req); 516973064edfSJesper Devantier case NVME_LOG_FDP_STATS: 517073064edfSJesper Devantier return nvme_fdp_stats(n, lspi, len, off, req); 517173064edfSJesper Devantier case NVME_LOG_FDP_EVENTS: 517273064edfSJesper Devantier return nvme_fdp_events(n, lspi, len, off, req); 517388eea45cSKlaus Jensen default: 517488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_log_page(nvme_cid(req), lid); 517588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 517688eea45cSKlaus Jensen } 517788eea45cSKlaus Jensen } 517888eea45cSKlaus Jensen 517988eea45cSKlaus Jensen static void nvme_free_cq(NvmeCQueue *cq, NvmeCtrl *n) 518088eea45cSKlaus Jensen { 518148b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 51822e53b0b4SJinhao Fan uint16_t offset = (cq->cqid << 3) + (1 << 2); 51832e53b0b4SJinhao Fan 518488eea45cSKlaus Jensen n->cq[cq->cqid] = NULL; 5185d38cc6fdSKlaus Jensen qemu_bh_delete(cq->bh); 51862e53b0b4SJinhao Fan if (cq->ioeventfd_enabled) { 51872e53b0b4SJinhao Fan memory_region_del_eventfd(&n->iomem, 51882e53b0b4SJinhao Fan 0x1000 + offset, 4, false, 0, &cq->notifier); 518904e8da88SKlaus Jensen event_notifier_set_handler(&cq->notifier, NULL); 51902e53b0b4SJinhao Fan event_notifier_cleanup(&cq->notifier); 51912e53b0b4SJinhao Fan } 519248b32c28SKlaus Jensen if (msix_enabled(pci)) { 519348b32c28SKlaus Jensen msix_vector_unuse(pci, cq->vector); 519488eea45cSKlaus Jensen } 519588eea45cSKlaus Jensen if (cq->cqid) { 519688eea45cSKlaus Jensen g_free(cq); 519788eea45cSKlaus Jensen } 519888eea45cSKlaus Jensen } 519988eea45cSKlaus Jensen 520088eea45cSKlaus Jensen static uint16_t nvme_del_cq(NvmeCtrl *n, NvmeRequest *req) 520188eea45cSKlaus Jensen { 520288eea45cSKlaus Jensen NvmeDeleteQ *c = (NvmeDeleteQ *)&req->cmd; 520388eea45cSKlaus Jensen NvmeCQueue *cq; 520488eea45cSKlaus Jensen uint16_t qid = le16_to_cpu(c->qid); 520588eea45cSKlaus Jensen 520688eea45cSKlaus Jensen if (unlikely(!qid || nvme_check_cqid(n, qid))) { 520788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_cq_cqid(qid); 520888eea45cSKlaus Jensen return NVME_INVALID_CQID | NVME_DNR; 520988eea45cSKlaus Jensen } 521088eea45cSKlaus Jensen 521188eea45cSKlaus Jensen cq = n->cq[qid]; 521288eea45cSKlaus Jensen if (unlikely(!QTAILQ_EMPTY(&cq->sq_list))) { 521388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_cq_notempty(qid); 521488eea45cSKlaus Jensen return NVME_INVALID_QUEUE_DEL; 521588eea45cSKlaus Jensen } 521683d7ed5cSKlaus Jensen 521783d7ed5cSKlaus Jensen if (cq->irq_enabled && cq->tail != cq->head) { 521883d7ed5cSKlaus Jensen n->cq_pending--; 521983d7ed5cSKlaus Jensen } 522083d7ed5cSKlaus Jensen 522188eea45cSKlaus Jensen nvme_irq_deassert(n, cq); 522288eea45cSKlaus Jensen trace_pci_nvme_del_cq(qid); 522388eea45cSKlaus Jensen nvme_free_cq(cq, n); 522488eea45cSKlaus Jensen return NVME_SUCCESS; 522588eea45cSKlaus Jensen } 522688eea45cSKlaus Jensen 522788eea45cSKlaus Jensen static void nvme_init_cq(NvmeCQueue *cq, NvmeCtrl *n, uint64_t dma_addr, 522888eea45cSKlaus Jensen uint16_t cqid, uint16_t vector, uint16_t size, 522988eea45cSKlaus Jensen uint16_t irq_enabled) 523088eea45cSKlaus Jensen { 523148b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 523248b32c28SKlaus Jensen 523348b32c28SKlaus Jensen if (msix_enabled(pci)) { 523448b32c28SKlaus Jensen msix_vector_use(pci, vector); 523588eea45cSKlaus Jensen } 523688eea45cSKlaus Jensen cq->ctrl = n; 523788eea45cSKlaus Jensen cq->cqid = cqid; 523888eea45cSKlaus Jensen cq->size = size; 523988eea45cSKlaus Jensen cq->dma_addr = dma_addr; 524088eea45cSKlaus Jensen cq->phase = 1; 524188eea45cSKlaus Jensen cq->irq_enabled = irq_enabled; 524288eea45cSKlaus Jensen cq->vector = vector; 524388eea45cSKlaus Jensen cq->head = cq->tail = 0; 524488eea45cSKlaus Jensen QTAILQ_INIT(&cq->req_list); 524588eea45cSKlaus Jensen QTAILQ_INIT(&cq->sq_list); 52463f7fe8deSJinhao Fan if (n->dbbuf_enabled) { 52473f7fe8deSJinhao Fan cq->db_addr = n->dbbuf_dbs + (cqid << 3) + (1 << 2); 52483f7fe8deSJinhao Fan cq->ei_addr = n->dbbuf_eis + (cqid << 3) + (1 << 2); 52492e53b0b4SJinhao Fan 52502e53b0b4SJinhao Fan if (n->params.ioeventfd && cqid != 0) { 52512e53b0b4SJinhao Fan if (!nvme_init_cq_ioeventfd(cq)) { 52522e53b0b4SJinhao Fan cq->ioeventfd_enabled = true; 52532e53b0b4SJinhao Fan } 52542e53b0b4SJinhao Fan } 52553f7fe8deSJinhao Fan } 525688eea45cSKlaus Jensen n->cq[cqid] = cq; 5257*f63192b0SAlexander Bulekov cq->bh = qemu_bh_new_guarded(nvme_post_cqes, cq, 5258*f63192b0SAlexander Bulekov &DEVICE(cq->ctrl)->mem_reentrancy_guard); 525988eea45cSKlaus Jensen } 526088eea45cSKlaus Jensen 526188eea45cSKlaus Jensen static uint16_t nvme_create_cq(NvmeCtrl *n, NvmeRequest *req) 526288eea45cSKlaus Jensen { 526388eea45cSKlaus Jensen NvmeCQueue *cq; 526488eea45cSKlaus Jensen NvmeCreateCq *c = (NvmeCreateCq *)&req->cmd; 526588eea45cSKlaus Jensen uint16_t cqid = le16_to_cpu(c->cqid); 526688eea45cSKlaus Jensen uint16_t vector = le16_to_cpu(c->irq_vector); 526788eea45cSKlaus Jensen uint16_t qsize = le16_to_cpu(c->qsize); 526888eea45cSKlaus Jensen uint16_t qflags = le16_to_cpu(c->cq_flags); 526988eea45cSKlaus Jensen uint64_t prp1 = le64_to_cpu(c->prp1); 527088eea45cSKlaus Jensen 527188eea45cSKlaus Jensen trace_pci_nvme_create_cq(prp1, cqid, vector, qsize, qflags, 527288eea45cSKlaus Jensen NVME_CQ_FLAGS_IEN(qflags) != 0); 527388eea45cSKlaus Jensen 5274decc0261SŁukasz Gieryk if (unlikely(!cqid || cqid > n->conf_ioqpairs || n->cq[cqid] != NULL)) { 527588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_cqid(cqid); 527688eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 527788eea45cSKlaus Jensen } 527849e03457SKlaus Jensen if (unlikely(!qsize || qsize > NVME_CAP_MQES(ldq_le_p(&n->bar.cap)))) { 527988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_size(qsize); 528088eea45cSKlaus Jensen return NVME_MAX_QSIZE_EXCEEDED | NVME_DNR; 528188eea45cSKlaus Jensen } 528288eea45cSKlaus Jensen if (unlikely(prp1 & (n->page_size - 1))) { 528388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_addr(prp1); 528488eea45cSKlaus Jensen return NVME_INVALID_PRP_OFFSET | NVME_DNR; 528588eea45cSKlaus Jensen } 528648b32c28SKlaus Jensen if (unlikely(!msix_enabled(PCI_DEVICE(n)) && vector)) { 528788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_vector(vector); 528888eea45cSKlaus Jensen return NVME_INVALID_IRQ_VECTOR | NVME_DNR; 528988eea45cSKlaus Jensen } 5290decc0261SŁukasz Gieryk if (unlikely(vector >= n->conf_msix_qsize)) { 529188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_vector(vector); 529288eea45cSKlaus Jensen return NVME_INVALID_IRQ_VECTOR | NVME_DNR; 529388eea45cSKlaus Jensen } 529488eea45cSKlaus Jensen if (unlikely(!(NVME_CQ_FLAGS_PC(qflags)))) { 529588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_qflags(NVME_CQ_FLAGS_PC(qflags)); 529688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 529788eea45cSKlaus Jensen } 529888eea45cSKlaus Jensen 529988eea45cSKlaus Jensen cq = g_malloc0(sizeof(*cq)); 530088eea45cSKlaus Jensen nvme_init_cq(cq, n, prp1, cqid, vector, qsize + 1, 530188eea45cSKlaus Jensen NVME_CQ_FLAGS_IEN(qflags)); 530288eea45cSKlaus Jensen 530388eea45cSKlaus Jensen /* 530488eea45cSKlaus Jensen * It is only required to set qs_created when creating a completion queue; 530588eea45cSKlaus Jensen * creating a submission queue without a matching completion queue will 530688eea45cSKlaus Jensen * fail. 530788eea45cSKlaus Jensen */ 530888eea45cSKlaus Jensen n->qs_created = true; 530988eea45cSKlaus Jensen return NVME_SUCCESS; 531088eea45cSKlaus Jensen } 531188eea45cSKlaus Jensen 531288eea45cSKlaus Jensen static uint16_t nvme_rpt_empty_id_struct(NvmeCtrl *n, NvmeRequest *req) 531388eea45cSKlaus Jensen { 531488eea45cSKlaus Jensen uint8_t id[NVME_IDENTIFY_DATA_SIZE] = {}; 531588eea45cSKlaus Jensen 531688eea45cSKlaus Jensen return nvme_c2h(n, id, sizeof(id), req); 531788eea45cSKlaus Jensen } 531888eea45cSKlaus Jensen 531988eea45cSKlaus Jensen static uint16_t nvme_identify_ctrl(NvmeCtrl *n, NvmeRequest *req) 532088eea45cSKlaus Jensen { 532188eea45cSKlaus Jensen trace_pci_nvme_identify_ctrl(); 532288eea45cSKlaus Jensen 532388eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&n->id_ctrl, sizeof(n->id_ctrl), req); 532488eea45cSKlaus Jensen } 532588eea45cSKlaus Jensen 532688eea45cSKlaus Jensen static uint16_t nvme_identify_ctrl_csi(NvmeCtrl *n, NvmeRequest *req) 532788eea45cSKlaus Jensen { 532888eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 532988eea45cSKlaus Jensen uint8_t id[NVME_IDENTIFY_DATA_SIZE] = {}; 533088eea45cSKlaus Jensen NvmeIdCtrlNvm *id_nvm = (NvmeIdCtrlNvm *)&id; 533188eea45cSKlaus Jensen 533288eea45cSKlaus Jensen trace_pci_nvme_identify_ctrl_csi(c->csi); 533388eea45cSKlaus Jensen 533488eea45cSKlaus Jensen switch (c->csi) { 533588eea45cSKlaus Jensen case NVME_CSI_NVM: 533688eea45cSKlaus Jensen id_nvm->vsl = n->params.vsl; 533788eea45cSKlaus Jensen id_nvm->dmrsl = cpu_to_le32(n->dmrsl); 533888eea45cSKlaus Jensen break; 533988eea45cSKlaus Jensen 534088eea45cSKlaus Jensen case NVME_CSI_ZONED: 534188eea45cSKlaus Jensen ((NvmeIdCtrlZoned *)&id)->zasl = n->params.zasl; 534288eea45cSKlaus Jensen break; 534388eea45cSKlaus Jensen 534488eea45cSKlaus Jensen default: 534588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 534688eea45cSKlaus Jensen } 534788eea45cSKlaus Jensen 534888eea45cSKlaus Jensen return nvme_c2h(n, id, sizeof(id), req); 534988eea45cSKlaus Jensen } 535088eea45cSKlaus Jensen 535188eea45cSKlaus Jensen static uint16_t nvme_identify_ns(NvmeCtrl *n, NvmeRequest *req, bool active) 535288eea45cSKlaus Jensen { 535388eea45cSKlaus Jensen NvmeNamespace *ns; 535488eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 535588eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 535688eea45cSKlaus Jensen 535788eea45cSKlaus Jensen trace_pci_nvme_identify_ns(nsid); 535888eea45cSKlaus Jensen 535988eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 536088eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 536188eea45cSKlaus Jensen } 536288eea45cSKlaus Jensen 536388eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 536488eea45cSKlaus Jensen if (unlikely(!ns)) { 536588eea45cSKlaus Jensen if (!active) { 536688eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 536788eea45cSKlaus Jensen if (!ns) { 536888eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 536988eea45cSKlaus Jensen } 537088eea45cSKlaus Jensen } else { 537188eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 537288eea45cSKlaus Jensen } 537388eea45cSKlaus Jensen } 537488eea45cSKlaus Jensen 53753553c48fSGollu Appalanaidu if (active || ns->csi == NVME_CSI_NVM) { 537688eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&ns->id_ns, sizeof(NvmeIdNs), req); 537788eea45cSKlaus Jensen } 537888eea45cSKlaus Jensen 537988eea45cSKlaus Jensen return NVME_INVALID_CMD_SET | NVME_DNR; 538088eea45cSKlaus Jensen } 538188eea45cSKlaus Jensen 53825f4eb94dSGollu Appalanaidu static uint16_t nvme_identify_ctrl_list(NvmeCtrl *n, NvmeRequest *req, 53835f4eb94dSGollu Appalanaidu bool attached) 538488eea45cSKlaus Jensen { 538588eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 53865f4eb94dSGollu Appalanaidu uint32_t nsid = le32_to_cpu(c->nsid); 538788eea45cSKlaus Jensen uint16_t min_id = le16_to_cpu(c->ctrlid); 538888eea45cSKlaus Jensen uint16_t list[NVME_CONTROLLER_LIST_SIZE] = {}; 538988eea45cSKlaus Jensen uint16_t *ids = &list[1]; 539088eea45cSKlaus Jensen NvmeNamespace *ns; 539188eea45cSKlaus Jensen NvmeCtrl *ctrl; 539288eea45cSKlaus Jensen int cntlid, nr_ids = 0; 539388eea45cSKlaus Jensen 53945f4eb94dSGollu Appalanaidu trace_pci_nvme_identify_ctrl_list(c->cns, min_id); 539588eea45cSKlaus Jensen 53965f4eb94dSGollu Appalanaidu if (!n->subsys) { 539788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 539888eea45cSKlaus Jensen } 539988eea45cSKlaus Jensen 54005f4eb94dSGollu Appalanaidu if (attached) { 54015f4eb94dSGollu Appalanaidu if (nsid == NVME_NSID_BROADCAST) { 54025f4eb94dSGollu Appalanaidu return NVME_INVALID_FIELD | NVME_DNR; 54035f4eb94dSGollu Appalanaidu } 54045f4eb94dSGollu Appalanaidu 54055f4eb94dSGollu Appalanaidu ns = nvme_subsys_ns(n->subsys, nsid); 540688eea45cSKlaus Jensen if (!ns) { 540788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 540888eea45cSKlaus Jensen } 54095f4eb94dSGollu Appalanaidu } 541088eea45cSKlaus Jensen 541188eea45cSKlaus Jensen for (cntlid = min_id; cntlid < ARRAY_SIZE(n->subsys->ctrls); cntlid++) { 541288eea45cSKlaus Jensen ctrl = nvme_subsys_ctrl(n->subsys, cntlid); 541388eea45cSKlaus Jensen if (!ctrl) { 541488eea45cSKlaus Jensen continue; 541588eea45cSKlaus Jensen } 541688eea45cSKlaus Jensen 54175f4eb94dSGollu Appalanaidu if (attached && !nvme_ns(ctrl, nsid)) { 541888eea45cSKlaus Jensen continue; 541988eea45cSKlaus Jensen } 542088eea45cSKlaus Jensen 542188eea45cSKlaus Jensen ids[nr_ids++] = cntlid; 542288eea45cSKlaus Jensen } 542388eea45cSKlaus Jensen 542488eea45cSKlaus Jensen list[0] = nr_ids; 542588eea45cSKlaus Jensen 542688eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)list, sizeof(list), req); 542788eea45cSKlaus Jensen } 542888eea45cSKlaus Jensen 54295e6f963fSLukasz Maniak static uint16_t nvme_identify_pri_ctrl_cap(NvmeCtrl *n, NvmeRequest *req) 54305e6f963fSLukasz Maniak { 54315e6f963fSLukasz Maniak trace_pci_nvme_identify_pri_ctrl_cap(le16_to_cpu(n->pri_ctrl_cap.cntlid)); 54325e6f963fSLukasz Maniak 54335e6f963fSLukasz Maniak return nvme_c2h(n, (uint8_t *)&n->pri_ctrl_cap, 54345e6f963fSLukasz Maniak sizeof(NvmePriCtrlCap), req); 54355e6f963fSLukasz Maniak } 54365e6f963fSLukasz Maniak 543799f48ae7SLukasz Maniak static uint16_t nvme_identify_sec_ctrl_list(NvmeCtrl *n, NvmeRequest *req) 543899f48ae7SLukasz Maniak { 543999f48ae7SLukasz Maniak NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 544099f48ae7SLukasz Maniak uint16_t pri_ctrl_id = le16_to_cpu(n->pri_ctrl_cap.cntlid); 544199f48ae7SLukasz Maniak uint16_t min_id = le16_to_cpu(c->ctrlid); 544299f48ae7SLukasz Maniak uint8_t num_sec_ctrl = n->sec_ctrl_list.numcntl; 544399f48ae7SLukasz Maniak NvmeSecCtrlList list = {0}; 544499f48ae7SLukasz Maniak uint8_t i; 544599f48ae7SLukasz Maniak 544699f48ae7SLukasz Maniak for (i = 0; i < num_sec_ctrl; i++) { 544799f48ae7SLukasz Maniak if (n->sec_ctrl_list.sec[i].scid >= min_id) { 544899f48ae7SLukasz Maniak list.numcntl = num_sec_ctrl - i; 544999f48ae7SLukasz Maniak memcpy(&list.sec, n->sec_ctrl_list.sec + i, 545099f48ae7SLukasz Maniak list.numcntl * sizeof(NvmeSecCtrlEntry)); 545199f48ae7SLukasz Maniak break; 545299f48ae7SLukasz Maniak } 545399f48ae7SLukasz Maniak } 545499f48ae7SLukasz Maniak 545599f48ae7SLukasz Maniak trace_pci_nvme_identify_sec_ctrl_list(pri_ctrl_id, list.numcntl); 545699f48ae7SLukasz Maniak 545799f48ae7SLukasz Maniak return nvme_c2h(n, (uint8_t *)&list, sizeof(list), req); 545899f48ae7SLukasz Maniak } 545999f48ae7SLukasz Maniak 546088eea45cSKlaus Jensen static uint16_t nvme_identify_ns_csi(NvmeCtrl *n, NvmeRequest *req, 546188eea45cSKlaus Jensen bool active) 546288eea45cSKlaus Jensen { 546388eea45cSKlaus Jensen NvmeNamespace *ns; 546488eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 546588eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 546688eea45cSKlaus Jensen 546788eea45cSKlaus Jensen trace_pci_nvme_identify_ns_csi(nsid, c->csi); 546888eea45cSKlaus Jensen 546988eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 547088eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 547188eea45cSKlaus Jensen } 547288eea45cSKlaus Jensen 547388eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 547488eea45cSKlaus Jensen if (unlikely(!ns)) { 547588eea45cSKlaus Jensen if (!active) { 547688eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 547788eea45cSKlaus Jensen if (!ns) { 547888eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 547988eea45cSKlaus Jensen } 548088eea45cSKlaus Jensen } else { 548188eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 548288eea45cSKlaus Jensen } 548388eea45cSKlaus Jensen } 548488eea45cSKlaus Jensen 54853553c48fSGollu Appalanaidu if (c->csi == NVME_CSI_NVM) { 548644219b60SNaveen Nagar return nvme_c2h(n, (uint8_t *)&ns->id_ns_nvm, sizeof(NvmeIdNsNvm), 548744219b60SNaveen Nagar req); 548888eea45cSKlaus Jensen } else if (c->csi == NVME_CSI_ZONED && ns->csi == NVME_CSI_ZONED) { 548988eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)ns->id_ns_zoned, sizeof(NvmeIdNsZoned), 549088eea45cSKlaus Jensen req); 549188eea45cSKlaus Jensen } 549288eea45cSKlaus Jensen 549388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 549488eea45cSKlaus Jensen } 549588eea45cSKlaus Jensen 549688eea45cSKlaus Jensen static uint16_t nvme_identify_nslist(NvmeCtrl *n, NvmeRequest *req, 549788eea45cSKlaus Jensen bool active) 549888eea45cSKlaus Jensen { 549988eea45cSKlaus Jensen NvmeNamespace *ns; 550088eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 550188eea45cSKlaus Jensen uint32_t min_nsid = le32_to_cpu(c->nsid); 550288eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 550388eea45cSKlaus Jensen static const int data_len = sizeof(list); 550488eea45cSKlaus Jensen uint32_t *list_ptr = (uint32_t *)list; 550588eea45cSKlaus Jensen int i, j = 0; 550688eea45cSKlaus Jensen 550788eea45cSKlaus Jensen trace_pci_nvme_identify_nslist(min_nsid); 550888eea45cSKlaus Jensen 550988eea45cSKlaus Jensen /* 551088eea45cSKlaus Jensen * Both FFFFFFFFh (NVME_NSID_BROADCAST) and FFFFFFFFEh are invalid values 551188eea45cSKlaus Jensen * since the Active Namespace ID List should return namespaces with ids 551288eea45cSKlaus Jensen * *higher* than the NSID specified in the command. This is also specified 551388eea45cSKlaus Jensen * in the spec (NVM Express v1.3d, Section 5.15.4). 551488eea45cSKlaus Jensen */ 551588eea45cSKlaus Jensen if (min_nsid >= NVME_NSID_BROADCAST - 1) { 551688eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 551788eea45cSKlaus Jensen } 551888eea45cSKlaus Jensen 551988eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 552088eea45cSKlaus Jensen ns = nvme_ns(n, i); 552188eea45cSKlaus Jensen if (!ns) { 552288eea45cSKlaus Jensen if (!active) { 552388eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, i); 552488eea45cSKlaus Jensen if (!ns) { 552588eea45cSKlaus Jensen continue; 552688eea45cSKlaus Jensen } 552788eea45cSKlaus Jensen } else { 552888eea45cSKlaus Jensen continue; 552988eea45cSKlaus Jensen } 553088eea45cSKlaus Jensen } 553188eea45cSKlaus Jensen if (ns->params.nsid <= min_nsid) { 553288eea45cSKlaus Jensen continue; 553388eea45cSKlaus Jensen } 553488eea45cSKlaus Jensen list_ptr[j++] = cpu_to_le32(ns->params.nsid); 553588eea45cSKlaus Jensen if (j == data_len / sizeof(uint32_t)) { 553688eea45cSKlaus Jensen break; 553788eea45cSKlaus Jensen } 553888eea45cSKlaus Jensen } 553988eea45cSKlaus Jensen 554088eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 554188eea45cSKlaus Jensen } 554288eea45cSKlaus Jensen 554388eea45cSKlaus Jensen static uint16_t nvme_identify_nslist_csi(NvmeCtrl *n, NvmeRequest *req, 554488eea45cSKlaus Jensen bool active) 554588eea45cSKlaus Jensen { 554688eea45cSKlaus Jensen NvmeNamespace *ns; 554788eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 554888eea45cSKlaus Jensen uint32_t min_nsid = le32_to_cpu(c->nsid); 554988eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 555088eea45cSKlaus Jensen static const int data_len = sizeof(list); 555188eea45cSKlaus Jensen uint32_t *list_ptr = (uint32_t *)list; 555288eea45cSKlaus Jensen int i, j = 0; 555388eea45cSKlaus Jensen 555488eea45cSKlaus Jensen trace_pci_nvme_identify_nslist_csi(min_nsid, c->csi); 555588eea45cSKlaus Jensen 555688eea45cSKlaus Jensen /* 555788eea45cSKlaus Jensen * Same as in nvme_identify_nslist(), FFFFFFFFh/FFFFFFFFEh are invalid. 555888eea45cSKlaus Jensen */ 555988eea45cSKlaus Jensen if (min_nsid >= NVME_NSID_BROADCAST - 1) { 556088eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 556188eea45cSKlaus Jensen } 556288eea45cSKlaus Jensen 556388eea45cSKlaus Jensen if (c->csi != NVME_CSI_NVM && c->csi != NVME_CSI_ZONED) { 556488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 556588eea45cSKlaus Jensen } 556688eea45cSKlaus Jensen 556788eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 556888eea45cSKlaus Jensen ns = nvme_ns(n, i); 556988eea45cSKlaus Jensen if (!ns) { 557088eea45cSKlaus Jensen if (!active) { 557188eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, i); 557288eea45cSKlaus Jensen if (!ns) { 557388eea45cSKlaus Jensen continue; 557488eea45cSKlaus Jensen } 557588eea45cSKlaus Jensen } else { 557688eea45cSKlaus Jensen continue; 557788eea45cSKlaus Jensen } 557888eea45cSKlaus Jensen } 557988eea45cSKlaus Jensen if (ns->params.nsid <= min_nsid || c->csi != ns->csi) { 558088eea45cSKlaus Jensen continue; 558188eea45cSKlaus Jensen } 558288eea45cSKlaus Jensen list_ptr[j++] = cpu_to_le32(ns->params.nsid); 558388eea45cSKlaus Jensen if (j == data_len / sizeof(uint32_t)) { 558488eea45cSKlaus Jensen break; 558588eea45cSKlaus Jensen } 558688eea45cSKlaus Jensen } 558788eea45cSKlaus Jensen 558888eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 558988eea45cSKlaus Jensen } 559088eea45cSKlaus Jensen 559188eea45cSKlaus Jensen static uint16_t nvme_identify_ns_descr_list(NvmeCtrl *n, NvmeRequest *req) 559288eea45cSKlaus Jensen { 559388eea45cSKlaus Jensen NvmeNamespace *ns; 559488eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 559588eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 559688eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 55976870cfb8SHeinrich Schuchardt uint8_t *pos = list; 559888eea45cSKlaus Jensen struct { 559988eea45cSKlaus Jensen NvmeIdNsDescr hdr; 560088eea45cSKlaus Jensen uint8_t v[NVME_NIDL_UUID]; 56015f4884c4SKlaus Jensen } QEMU_PACKED uuid = {}; 56026870cfb8SHeinrich Schuchardt struct { 56036870cfb8SHeinrich Schuchardt NvmeIdNsDescr hdr; 56046870cfb8SHeinrich Schuchardt uint64_t v; 56055f4884c4SKlaus Jensen } QEMU_PACKED eui64 = {}; 560688eea45cSKlaus Jensen struct { 560788eea45cSKlaus Jensen NvmeIdNsDescr hdr; 560888eea45cSKlaus Jensen uint8_t v; 56095f4884c4SKlaus Jensen } QEMU_PACKED csi = {}; 561088eea45cSKlaus Jensen 561188eea45cSKlaus Jensen trace_pci_nvme_identify_ns_descr_list(nsid); 561288eea45cSKlaus Jensen 561388eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 561488eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 561588eea45cSKlaus Jensen } 561688eea45cSKlaus Jensen 561788eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 561888eea45cSKlaus Jensen if (unlikely(!ns)) { 561988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 562088eea45cSKlaus Jensen } 562188eea45cSKlaus Jensen 56229f2e1acfSKlaus Jensen if (!qemu_uuid_is_null(&ns->params.uuid)) { 56236870cfb8SHeinrich Schuchardt uuid.hdr.nidt = NVME_NIDT_UUID; 56246870cfb8SHeinrich Schuchardt uuid.hdr.nidl = NVME_NIDL_UUID; 56256870cfb8SHeinrich Schuchardt memcpy(uuid.v, ns->params.uuid.data, NVME_NIDL_UUID); 56266870cfb8SHeinrich Schuchardt memcpy(pos, &uuid, sizeof(uuid)); 56276870cfb8SHeinrich Schuchardt pos += sizeof(uuid); 56289f2e1acfSKlaus Jensen } 562988eea45cSKlaus Jensen 56306870cfb8SHeinrich Schuchardt if (ns->params.eui64) { 56316870cfb8SHeinrich Schuchardt eui64.hdr.nidt = NVME_NIDT_EUI64; 56326870cfb8SHeinrich Schuchardt eui64.hdr.nidl = NVME_NIDL_EUI64; 56336870cfb8SHeinrich Schuchardt eui64.v = cpu_to_be64(ns->params.eui64); 56346870cfb8SHeinrich Schuchardt memcpy(pos, &eui64, sizeof(eui64)); 56356870cfb8SHeinrich Schuchardt pos += sizeof(eui64); 56366870cfb8SHeinrich Schuchardt } 56376870cfb8SHeinrich Schuchardt 56386870cfb8SHeinrich Schuchardt csi.hdr.nidt = NVME_NIDT_CSI; 56396870cfb8SHeinrich Schuchardt csi.hdr.nidl = NVME_NIDL_CSI; 56406870cfb8SHeinrich Schuchardt csi.v = ns->csi; 56416870cfb8SHeinrich Schuchardt memcpy(pos, &csi, sizeof(csi)); 56426870cfb8SHeinrich Schuchardt pos += sizeof(csi); 564388eea45cSKlaus Jensen 564488eea45cSKlaus Jensen return nvme_c2h(n, list, sizeof(list), req); 564588eea45cSKlaus Jensen } 564688eea45cSKlaus Jensen 564788eea45cSKlaus Jensen static uint16_t nvme_identify_cmd_set(NvmeCtrl *n, NvmeRequest *req) 564888eea45cSKlaus Jensen { 564988eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 565088eea45cSKlaus Jensen static const int data_len = sizeof(list); 565188eea45cSKlaus Jensen 565288eea45cSKlaus Jensen trace_pci_nvme_identify_cmd_set(); 565388eea45cSKlaus Jensen 565488eea45cSKlaus Jensen NVME_SET_CSI(*list, NVME_CSI_NVM); 565588eea45cSKlaus Jensen NVME_SET_CSI(*list, NVME_CSI_ZONED); 565688eea45cSKlaus Jensen 565788eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 565888eea45cSKlaus Jensen } 565988eea45cSKlaus Jensen 566088eea45cSKlaus Jensen static uint16_t nvme_identify(NvmeCtrl *n, NvmeRequest *req) 566188eea45cSKlaus Jensen { 566288eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 566388eea45cSKlaus Jensen 566488eea45cSKlaus Jensen trace_pci_nvme_identify(nvme_cid(req), c->cns, le16_to_cpu(c->ctrlid), 566588eea45cSKlaus Jensen c->csi); 566688eea45cSKlaus Jensen 566788eea45cSKlaus Jensen switch (c->cns) { 566888eea45cSKlaus Jensen case NVME_ID_CNS_NS: 566988eea45cSKlaus Jensen return nvme_identify_ns(n, req, true); 567088eea45cSKlaus Jensen case NVME_ID_CNS_NS_PRESENT: 567188eea45cSKlaus Jensen return nvme_identify_ns(n, req, false); 567288eea45cSKlaus Jensen case NVME_ID_CNS_NS_ATTACHED_CTRL_LIST: 56735f4eb94dSGollu Appalanaidu return nvme_identify_ctrl_list(n, req, true); 56745f4eb94dSGollu Appalanaidu case NVME_ID_CNS_CTRL_LIST: 56755f4eb94dSGollu Appalanaidu return nvme_identify_ctrl_list(n, req, false); 56765e6f963fSLukasz Maniak case NVME_ID_CNS_PRIMARY_CTRL_CAP: 56775e6f963fSLukasz Maniak return nvme_identify_pri_ctrl_cap(n, req); 567899f48ae7SLukasz Maniak case NVME_ID_CNS_SECONDARY_CTRL_LIST: 567999f48ae7SLukasz Maniak return nvme_identify_sec_ctrl_list(n, req); 568088eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS: 568188eea45cSKlaus Jensen return nvme_identify_ns_csi(n, req, true); 568288eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_PRESENT: 568388eea45cSKlaus Jensen return nvme_identify_ns_csi(n, req, false); 568488eea45cSKlaus Jensen case NVME_ID_CNS_CTRL: 568588eea45cSKlaus Jensen return nvme_identify_ctrl(n, req); 568688eea45cSKlaus Jensen case NVME_ID_CNS_CS_CTRL: 568788eea45cSKlaus Jensen return nvme_identify_ctrl_csi(n, req); 568888eea45cSKlaus Jensen case NVME_ID_CNS_NS_ACTIVE_LIST: 568988eea45cSKlaus Jensen return nvme_identify_nslist(n, req, true); 569088eea45cSKlaus Jensen case NVME_ID_CNS_NS_PRESENT_LIST: 569188eea45cSKlaus Jensen return nvme_identify_nslist(n, req, false); 569288eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_ACTIVE_LIST: 569388eea45cSKlaus Jensen return nvme_identify_nslist_csi(n, req, true); 569488eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_PRESENT_LIST: 569588eea45cSKlaus Jensen return nvme_identify_nslist_csi(n, req, false); 569688eea45cSKlaus Jensen case NVME_ID_CNS_NS_DESCR_LIST: 569788eea45cSKlaus Jensen return nvme_identify_ns_descr_list(n, req); 569888eea45cSKlaus Jensen case NVME_ID_CNS_IO_COMMAND_SET: 569988eea45cSKlaus Jensen return nvme_identify_cmd_set(n, req); 570088eea45cSKlaus Jensen default: 570188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_identify_cns(le32_to_cpu(c->cns)); 570288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 570388eea45cSKlaus Jensen } 570488eea45cSKlaus Jensen } 570588eea45cSKlaus Jensen 570688eea45cSKlaus Jensen static uint16_t nvme_abort(NvmeCtrl *n, NvmeRequest *req) 570788eea45cSKlaus Jensen { 570888eea45cSKlaus Jensen uint16_t sqid = le32_to_cpu(req->cmd.cdw10) & 0xffff; 570988eea45cSKlaus Jensen 571088eea45cSKlaus Jensen req->cqe.result = 1; 571188eea45cSKlaus Jensen if (nvme_check_sqid(n, sqid)) { 571288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 571388eea45cSKlaus Jensen } 571488eea45cSKlaus Jensen 571588eea45cSKlaus Jensen return NVME_SUCCESS; 571688eea45cSKlaus Jensen } 571788eea45cSKlaus Jensen 571888eea45cSKlaus Jensen static inline void nvme_set_timestamp(NvmeCtrl *n, uint64_t ts) 571988eea45cSKlaus Jensen { 572088eea45cSKlaus Jensen trace_pci_nvme_setfeat_timestamp(ts); 572188eea45cSKlaus Jensen 572288eea45cSKlaus Jensen n->host_timestamp = le64_to_cpu(ts); 572388eea45cSKlaus Jensen n->timestamp_set_qemu_clock_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 572488eea45cSKlaus Jensen } 572588eea45cSKlaus Jensen 572688eea45cSKlaus Jensen static inline uint64_t nvme_get_timestamp(const NvmeCtrl *n) 572788eea45cSKlaus Jensen { 572888eea45cSKlaus Jensen uint64_t current_time = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 572988eea45cSKlaus Jensen uint64_t elapsed_time = current_time - n->timestamp_set_qemu_clock_ms; 573088eea45cSKlaus Jensen 573188eea45cSKlaus Jensen union nvme_timestamp { 573288eea45cSKlaus Jensen struct { 573388eea45cSKlaus Jensen uint64_t timestamp:48; 573488eea45cSKlaus Jensen uint64_t sync:1; 573588eea45cSKlaus Jensen uint64_t origin:3; 573688eea45cSKlaus Jensen uint64_t rsvd1:12; 573788eea45cSKlaus Jensen }; 573888eea45cSKlaus Jensen uint64_t all; 573988eea45cSKlaus Jensen }; 574088eea45cSKlaus Jensen 574188eea45cSKlaus Jensen union nvme_timestamp ts; 574288eea45cSKlaus Jensen ts.all = 0; 574388eea45cSKlaus Jensen ts.timestamp = n->host_timestamp + elapsed_time; 574488eea45cSKlaus Jensen 574588eea45cSKlaus Jensen /* If the host timestamp is non-zero, set the timestamp origin */ 574688eea45cSKlaus Jensen ts.origin = n->host_timestamp ? 0x01 : 0x00; 574788eea45cSKlaus Jensen 574888eea45cSKlaus Jensen trace_pci_nvme_getfeat_timestamp(ts.all); 574988eea45cSKlaus Jensen 575088eea45cSKlaus Jensen return cpu_to_le64(ts.all); 575188eea45cSKlaus Jensen } 575288eea45cSKlaus Jensen 575388eea45cSKlaus Jensen static uint16_t nvme_get_feature_timestamp(NvmeCtrl *n, NvmeRequest *req) 575488eea45cSKlaus Jensen { 575588eea45cSKlaus Jensen uint64_t timestamp = nvme_get_timestamp(n); 575688eea45cSKlaus Jensen 575788eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)×tamp, sizeof(timestamp), req); 575888eea45cSKlaus Jensen } 575988eea45cSKlaus Jensen 576073064edfSJesper Devantier static int nvme_get_feature_fdp(NvmeCtrl *n, uint32_t endgrpid, 576173064edfSJesper Devantier uint32_t *result) 576273064edfSJesper Devantier { 576373064edfSJesper Devantier *result = 0; 576473064edfSJesper Devantier 576573064edfSJesper Devantier if (!n->subsys || !n->subsys->endgrp.fdp.enabled) { 576673064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 576773064edfSJesper Devantier } 576873064edfSJesper Devantier 576973064edfSJesper Devantier *result = FIELD_DP16(0, FEAT_FDP, FDPE, 1); 577073064edfSJesper Devantier *result = FIELD_DP16(*result, FEAT_FDP, CONF_NDX, 0); 577173064edfSJesper Devantier 577273064edfSJesper Devantier return NVME_SUCCESS; 577373064edfSJesper Devantier } 577473064edfSJesper Devantier 577573064edfSJesper Devantier static uint16_t nvme_get_feature_fdp_events(NvmeCtrl *n, NvmeNamespace *ns, 577673064edfSJesper Devantier NvmeRequest *req, uint32_t *result) 577773064edfSJesper Devantier { 577873064edfSJesper Devantier NvmeCmd *cmd = &req->cmd; 577973064edfSJesper Devantier uint32_t cdw11 = le32_to_cpu(cmd->cdw11); 578073064edfSJesper Devantier uint16_t ph = cdw11 & 0xffff; 578173064edfSJesper Devantier uint8_t noet = (cdw11 >> 16) & 0xff; 578273064edfSJesper Devantier uint16_t ruhid, ret; 578373064edfSJesper Devantier uint32_t nentries = 0; 578473064edfSJesper Devantier uint8_t s_events_ndx = 0; 578573064edfSJesper Devantier size_t s_events_siz = sizeof(NvmeFdpEventDescr) * noet; 578673064edfSJesper Devantier g_autofree NvmeFdpEventDescr *s_events = g_malloc0(s_events_siz); 578773064edfSJesper Devantier NvmeRuHandle *ruh; 578873064edfSJesper Devantier NvmeFdpEventDescr *s_event; 578973064edfSJesper Devantier 579073064edfSJesper Devantier if (!n->subsys || !n->subsys->endgrp.fdp.enabled) { 579173064edfSJesper Devantier return NVME_FDP_DISABLED | NVME_DNR; 579273064edfSJesper Devantier } 579373064edfSJesper Devantier 579473064edfSJesper Devantier if (!nvme_ph_valid(ns, ph)) { 579573064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 579673064edfSJesper Devantier } 579773064edfSJesper Devantier 579873064edfSJesper Devantier ruhid = ns->fdp.phs[ph]; 579973064edfSJesper Devantier ruh = &n->subsys->endgrp.fdp.ruhs[ruhid]; 580073064edfSJesper Devantier 580173064edfSJesper Devantier assert(ruh); 580273064edfSJesper Devantier 580373064edfSJesper Devantier if (unlikely(noet == 0)) { 580473064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 580573064edfSJesper Devantier } 580673064edfSJesper Devantier 580773064edfSJesper Devantier for (uint8_t event_type = 0; event_type < FDP_EVT_MAX; event_type++) { 580873064edfSJesper Devantier uint8_t shift = nvme_fdp_evf_shifts[event_type]; 580973064edfSJesper Devantier if (!shift && event_type) { 581073064edfSJesper Devantier /* 581173064edfSJesper Devantier * only first entry (event_type == 0) has a shift value of 0 581273064edfSJesper Devantier * other entries are simply unpopulated. 581373064edfSJesper Devantier */ 581473064edfSJesper Devantier continue; 581573064edfSJesper Devantier } 581673064edfSJesper Devantier 581773064edfSJesper Devantier nentries++; 581873064edfSJesper Devantier 581973064edfSJesper Devantier s_event = &s_events[s_events_ndx]; 582073064edfSJesper Devantier s_event->evt = event_type; 582173064edfSJesper Devantier s_event->evta = (ruh->event_filter >> shift) & 0x1; 582273064edfSJesper Devantier 582373064edfSJesper Devantier /* break if all `noet` entries are filled */ 582473064edfSJesper Devantier if ((++s_events_ndx) == noet) { 582573064edfSJesper Devantier break; 582673064edfSJesper Devantier } 582773064edfSJesper Devantier } 582873064edfSJesper Devantier 582973064edfSJesper Devantier ret = nvme_c2h(n, s_events, s_events_siz, req); 583073064edfSJesper Devantier if (ret) { 583173064edfSJesper Devantier return ret; 583273064edfSJesper Devantier } 583373064edfSJesper Devantier 583473064edfSJesper Devantier *result = nentries; 583573064edfSJesper Devantier return NVME_SUCCESS; 583673064edfSJesper Devantier } 583773064edfSJesper Devantier 583888eea45cSKlaus Jensen static uint16_t nvme_get_feature(NvmeCtrl *n, NvmeRequest *req) 583988eea45cSKlaus Jensen { 584088eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 584188eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 584288eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 584388eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(cmd->nsid); 584488eea45cSKlaus Jensen uint32_t result; 584588eea45cSKlaus Jensen uint8_t fid = NVME_GETSETFEAT_FID(dw10); 584688eea45cSKlaus Jensen NvmeGetFeatureSelect sel = NVME_GETFEAT_SELECT(dw10); 584788eea45cSKlaus Jensen uint16_t iv; 584888eea45cSKlaus Jensen NvmeNamespace *ns; 584988eea45cSKlaus Jensen int i; 585073064edfSJesper Devantier uint16_t endgrpid = 0, ret = NVME_SUCCESS; 585188eea45cSKlaus Jensen 585288eea45cSKlaus Jensen static const uint32_t nvme_feature_default[NVME_FID_MAX] = { 585388eea45cSKlaus Jensen [NVME_ARBITRATION] = NVME_ARB_AB_NOLIMIT, 585488eea45cSKlaus Jensen }; 585588eea45cSKlaus Jensen 585688eea45cSKlaus Jensen trace_pci_nvme_getfeat(nvme_cid(req), nsid, fid, sel, dw11); 585788eea45cSKlaus Jensen 585888eea45cSKlaus Jensen if (!nvme_feature_support[fid]) { 585988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 586088eea45cSKlaus Jensen } 586188eea45cSKlaus Jensen 586288eea45cSKlaus Jensen if (nvme_feature_cap[fid] & NVME_FEAT_CAP_NS) { 586388eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 586488eea45cSKlaus Jensen /* 586588eea45cSKlaus Jensen * The Reservation Notification Mask and Reservation Persistence 586688eea45cSKlaus Jensen * features require a status code of Invalid Field in Command when 586788eea45cSKlaus Jensen * NSID is FFFFFFFFh. Since the device does not support those 586888eea45cSKlaus Jensen * features we can always return Invalid Namespace or Format as we 586988eea45cSKlaus Jensen * should do for all other features. 587088eea45cSKlaus Jensen */ 587188eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 587288eea45cSKlaus Jensen } 587388eea45cSKlaus Jensen 587488eea45cSKlaus Jensen if (!nvme_ns(n, nsid)) { 587588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 587688eea45cSKlaus Jensen } 587788eea45cSKlaus Jensen } 587888eea45cSKlaus Jensen 587988eea45cSKlaus Jensen switch (sel) { 588088eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_CURRENT: 588188eea45cSKlaus Jensen break; 588288eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_SAVED: 588388eea45cSKlaus Jensen /* no features are saveable by the controller; fallthrough */ 588488eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_DEFAULT: 588588eea45cSKlaus Jensen goto defaults; 588688eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_CAP: 588788eea45cSKlaus Jensen result = nvme_feature_cap[fid]; 588888eea45cSKlaus Jensen goto out; 588988eea45cSKlaus Jensen } 589088eea45cSKlaus Jensen 589188eea45cSKlaus Jensen switch (fid) { 589288eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 589388eea45cSKlaus Jensen result = 0; 589488eea45cSKlaus Jensen 589588eea45cSKlaus Jensen /* 589688eea45cSKlaus Jensen * The controller only implements the Composite Temperature sensor, so 589788eea45cSKlaus Jensen * return 0 for all other sensors. 589888eea45cSKlaus Jensen */ 589988eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 590088eea45cSKlaus Jensen goto out; 590188eea45cSKlaus Jensen } 590288eea45cSKlaus Jensen 590388eea45cSKlaus Jensen switch (NVME_TEMP_THSEL(dw11)) { 590488eea45cSKlaus Jensen case NVME_TEMP_THSEL_OVER: 590588eea45cSKlaus Jensen result = n->features.temp_thresh_hi; 590688eea45cSKlaus Jensen goto out; 590788eea45cSKlaus Jensen case NVME_TEMP_THSEL_UNDER: 590888eea45cSKlaus Jensen result = n->features.temp_thresh_low; 590988eea45cSKlaus Jensen goto out; 591088eea45cSKlaus Jensen } 591188eea45cSKlaus Jensen 591288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 591388eea45cSKlaus Jensen case NVME_ERROR_RECOVERY: 591488eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 591588eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 591688eea45cSKlaus Jensen } 591788eea45cSKlaus Jensen 591888eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 591988eea45cSKlaus Jensen if (unlikely(!ns)) { 592088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 592188eea45cSKlaus Jensen } 592288eea45cSKlaus Jensen 592388eea45cSKlaus Jensen result = ns->features.err_rec; 592488eea45cSKlaus Jensen goto out; 592588eea45cSKlaus Jensen case NVME_VOLATILE_WRITE_CACHE: 592688eea45cSKlaus Jensen result = 0; 592788eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 592888eea45cSKlaus Jensen ns = nvme_ns(n, i); 592988eea45cSKlaus Jensen if (!ns) { 593088eea45cSKlaus Jensen continue; 593188eea45cSKlaus Jensen } 593288eea45cSKlaus Jensen 593388eea45cSKlaus Jensen result = blk_enable_write_cache(ns->blkconf.blk); 593488eea45cSKlaus Jensen if (result) { 593588eea45cSKlaus Jensen break; 593688eea45cSKlaus Jensen } 593788eea45cSKlaus Jensen } 593888eea45cSKlaus Jensen trace_pci_nvme_getfeat_vwcache(result ? "enabled" : "disabled"); 593988eea45cSKlaus Jensen goto out; 594088eea45cSKlaus Jensen case NVME_ASYNCHRONOUS_EVENT_CONF: 594188eea45cSKlaus Jensen result = n->features.async_config; 594288eea45cSKlaus Jensen goto out; 594388eea45cSKlaus Jensen case NVME_TIMESTAMP: 594488eea45cSKlaus Jensen return nvme_get_feature_timestamp(n, req); 5945d0c0697bSNaveen Nagar case NVME_HOST_BEHAVIOR_SUPPORT: 5946d0c0697bSNaveen Nagar return nvme_c2h(n, (uint8_t *)&n->features.hbs, 5947d0c0697bSNaveen Nagar sizeof(n->features.hbs), req); 594873064edfSJesper Devantier case NVME_FDP_MODE: 594973064edfSJesper Devantier endgrpid = dw11 & 0xff; 595073064edfSJesper Devantier 595173064edfSJesper Devantier if (endgrpid != 0x1) { 595273064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 595373064edfSJesper Devantier } 595473064edfSJesper Devantier 595573064edfSJesper Devantier ret = nvme_get_feature_fdp(n, endgrpid, &result); 595673064edfSJesper Devantier if (ret) { 595773064edfSJesper Devantier return ret; 595873064edfSJesper Devantier } 595973064edfSJesper Devantier goto out; 596073064edfSJesper Devantier case NVME_FDP_EVENTS: 596173064edfSJesper Devantier if (!nvme_nsid_valid(n, nsid)) { 596273064edfSJesper Devantier return NVME_INVALID_NSID | NVME_DNR; 596373064edfSJesper Devantier } 596473064edfSJesper Devantier 596573064edfSJesper Devantier ns = nvme_ns(n, nsid); 596673064edfSJesper Devantier if (unlikely(!ns)) { 596773064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 596873064edfSJesper Devantier } 596973064edfSJesper Devantier 597073064edfSJesper Devantier ret = nvme_get_feature_fdp_events(n, ns, req, &result); 597173064edfSJesper Devantier if (ret) { 597273064edfSJesper Devantier return ret; 597373064edfSJesper Devantier } 597473064edfSJesper Devantier goto out; 597588eea45cSKlaus Jensen default: 597688eea45cSKlaus Jensen break; 597788eea45cSKlaus Jensen } 597888eea45cSKlaus Jensen 597988eea45cSKlaus Jensen defaults: 598088eea45cSKlaus Jensen switch (fid) { 598188eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 598288eea45cSKlaus Jensen result = 0; 598388eea45cSKlaus Jensen 598488eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 598588eea45cSKlaus Jensen break; 598688eea45cSKlaus Jensen } 598788eea45cSKlaus Jensen 598888eea45cSKlaus Jensen if (NVME_TEMP_THSEL(dw11) == NVME_TEMP_THSEL_OVER) { 598988eea45cSKlaus Jensen result = NVME_TEMPERATURE_WARNING; 599088eea45cSKlaus Jensen } 599188eea45cSKlaus Jensen 599288eea45cSKlaus Jensen break; 599388eea45cSKlaus Jensen case NVME_NUMBER_OF_QUEUES: 5994decc0261SŁukasz Gieryk result = (n->conf_ioqpairs - 1) | ((n->conf_ioqpairs - 1) << 16); 599588eea45cSKlaus Jensen trace_pci_nvme_getfeat_numq(result); 599688eea45cSKlaus Jensen break; 599788eea45cSKlaus Jensen case NVME_INTERRUPT_VECTOR_CONF: 599888eea45cSKlaus Jensen iv = dw11 & 0xffff; 5999decc0261SŁukasz Gieryk if (iv >= n->conf_ioqpairs + 1) { 600088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 600188eea45cSKlaus Jensen } 600288eea45cSKlaus Jensen 600388eea45cSKlaus Jensen result = iv; 600488eea45cSKlaus Jensen if (iv == n->admin_cq.vector) { 600588eea45cSKlaus Jensen result |= NVME_INTVC_NOCOALESCING; 600688eea45cSKlaus Jensen } 600788eea45cSKlaus Jensen break; 600873064edfSJesper Devantier case NVME_FDP_MODE: 600973064edfSJesper Devantier endgrpid = dw11 & 0xff; 601073064edfSJesper Devantier 601173064edfSJesper Devantier if (endgrpid != 0x1) { 601273064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 601373064edfSJesper Devantier } 601473064edfSJesper Devantier 601573064edfSJesper Devantier ret = nvme_get_feature_fdp(n, endgrpid, &result); 601673064edfSJesper Devantier if (ret) { 601773064edfSJesper Devantier return ret; 601873064edfSJesper Devantier } 601973064edfSJesper Devantier goto out; 602073064edfSJesper Devantier 602173064edfSJesper Devantier break; 602288eea45cSKlaus Jensen default: 602388eea45cSKlaus Jensen result = nvme_feature_default[fid]; 602488eea45cSKlaus Jensen break; 602588eea45cSKlaus Jensen } 602688eea45cSKlaus Jensen 602788eea45cSKlaus Jensen out: 602888eea45cSKlaus Jensen req->cqe.result = cpu_to_le32(result); 602973064edfSJesper Devantier return ret; 603088eea45cSKlaus Jensen } 603188eea45cSKlaus Jensen 603288eea45cSKlaus Jensen static uint16_t nvme_set_feature_timestamp(NvmeCtrl *n, NvmeRequest *req) 603388eea45cSKlaus Jensen { 603488eea45cSKlaus Jensen uint16_t ret; 603588eea45cSKlaus Jensen uint64_t timestamp; 603688eea45cSKlaus Jensen 603788eea45cSKlaus Jensen ret = nvme_h2c(n, (uint8_t *)×tamp, sizeof(timestamp), req); 603888eea45cSKlaus Jensen if (ret) { 603988eea45cSKlaus Jensen return ret; 604088eea45cSKlaus Jensen } 604188eea45cSKlaus Jensen 604288eea45cSKlaus Jensen nvme_set_timestamp(n, timestamp); 604388eea45cSKlaus Jensen 604488eea45cSKlaus Jensen return NVME_SUCCESS; 604588eea45cSKlaus Jensen } 604688eea45cSKlaus Jensen 604773064edfSJesper Devantier static uint16_t nvme_set_feature_fdp_events(NvmeCtrl *n, NvmeNamespace *ns, 604873064edfSJesper Devantier NvmeRequest *req) 604973064edfSJesper Devantier { 605073064edfSJesper Devantier NvmeCmd *cmd = &req->cmd; 605173064edfSJesper Devantier uint32_t cdw11 = le32_to_cpu(cmd->cdw11); 605273064edfSJesper Devantier uint16_t ph = cdw11 & 0xffff; 605373064edfSJesper Devantier uint8_t noet = (cdw11 >> 16) & 0xff; 605473064edfSJesper Devantier uint16_t ret, ruhid; 605573064edfSJesper Devantier uint8_t enable = le32_to_cpu(cmd->cdw12) & 0x1; 605673064edfSJesper Devantier uint8_t event_mask = 0; 605773064edfSJesper Devantier unsigned int i; 605873064edfSJesper Devantier g_autofree uint8_t *events = g_malloc0(noet); 605973064edfSJesper Devantier NvmeRuHandle *ruh = NULL; 606073064edfSJesper Devantier 606173064edfSJesper Devantier assert(ns); 606273064edfSJesper Devantier 606373064edfSJesper Devantier if (!n->subsys || !n->subsys->endgrp.fdp.enabled) { 606473064edfSJesper Devantier return NVME_FDP_DISABLED | NVME_DNR; 606573064edfSJesper Devantier } 606673064edfSJesper Devantier 606773064edfSJesper Devantier if (!nvme_ph_valid(ns, ph)) { 606873064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 606973064edfSJesper Devantier } 607073064edfSJesper Devantier 607173064edfSJesper Devantier ruhid = ns->fdp.phs[ph]; 607273064edfSJesper Devantier ruh = &n->subsys->endgrp.fdp.ruhs[ruhid]; 607373064edfSJesper Devantier 607473064edfSJesper Devantier ret = nvme_h2c(n, events, noet, req); 607573064edfSJesper Devantier if (ret) { 607673064edfSJesper Devantier return ret; 607773064edfSJesper Devantier } 607873064edfSJesper Devantier 607973064edfSJesper Devantier for (i = 0; i < noet; i++) { 608073064edfSJesper Devantier event_mask |= (1 << nvme_fdp_evf_shifts[events[i]]); 608173064edfSJesper Devantier } 608273064edfSJesper Devantier 608373064edfSJesper Devantier if (enable) { 608473064edfSJesper Devantier ruh->event_filter |= event_mask; 608573064edfSJesper Devantier } else { 608673064edfSJesper Devantier ruh->event_filter = ruh->event_filter & ~event_mask; 608773064edfSJesper Devantier } 608873064edfSJesper Devantier 608973064edfSJesper Devantier return NVME_SUCCESS; 609073064edfSJesper Devantier } 609173064edfSJesper Devantier 609288eea45cSKlaus Jensen static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeRequest *req) 609388eea45cSKlaus Jensen { 609488eea45cSKlaus Jensen NvmeNamespace *ns = NULL; 609588eea45cSKlaus Jensen 609688eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 609788eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 609888eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 609988eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(cmd->nsid); 610088eea45cSKlaus Jensen uint8_t fid = NVME_GETSETFEAT_FID(dw10); 610188eea45cSKlaus Jensen uint8_t save = NVME_SETFEAT_SAVE(dw10); 6102763c05dfSNaveen Nagar uint16_t status; 610388eea45cSKlaus Jensen int i; 610488eea45cSKlaus Jensen 610588eea45cSKlaus Jensen trace_pci_nvme_setfeat(nvme_cid(req), nsid, fid, save, dw11); 610688eea45cSKlaus Jensen 610788eea45cSKlaus Jensen if (save && !(nvme_feature_cap[fid] & NVME_FEAT_CAP_SAVE)) { 610888eea45cSKlaus Jensen return NVME_FID_NOT_SAVEABLE | NVME_DNR; 610988eea45cSKlaus Jensen } 611088eea45cSKlaus Jensen 611188eea45cSKlaus Jensen if (!nvme_feature_support[fid]) { 611288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 611388eea45cSKlaus Jensen } 611488eea45cSKlaus Jensen 611588eea45cSKlaus Jensen if (nvme_feature_cap[fid] & NVME_FEAT_CAP_NS) { 611688eea45cSKlaus Jensen if (nsid != NVME_NSID_BROADCAST) { 611788eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 611888eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 611988eea45cSKlaus Jensen } 612088eea45cSKlaus Jensen 612188eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 612288eea45cSKlaus Jensen if (unlikely(!ns)) { 612388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 612488eea45cSKlaus Jensen } 612588eea45cSKlaus Jensen } 612688eea45cSKlaus Jensen } else if (nsid && nsid != NVME_NSID_BROADCAST) { 612788eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 612888eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 612988eea45cSKlaus Jensen } 613088eea45cSKlaus Jensen 613188eea45cSKlaus Jensen return NVME_FEAT_NOT_NS_SPEC | NVME_DNR; 613288eea45cSKlaus Jensen } 613388eea45cSKlaus Jensen 613488eea45cSKlaus Jensen if (!(nvme_feature_cap[fid] & NVME_FEAT_CAP_CHANGE)) { 613588eea45cSKlaus Jensen return NVME_FEAT_NOT_CHANGEABLE | NVME_DNR; 613688eea45cSKlaus Jensen } 613788eea45cSKlaus Jensen 613888eea45cSKlaus Jensen switch (fid) { 613988eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 614088eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 614188eea45cSKlaus Jensen break; 614288eea45cSKlaus Jensen } 614388eea45cSKlaus Jensen 614488eea45cSKlaus Jensen switch (NVME_TEMP_THSEL(dw11)) { 614588eea45cSKlaus Jensen case NVME_TEMP_THSEL_OVER: 614688eea45cSKlaus Jensen n->features.temp_thresh_hi = NVME_TEMP_TMPTH(dw11); 614788eea45cSKlaus Jensen break; 614888eea45cSKlaus Jensen case NVME_TEMP_THSEL_UNDER: 614988eea45cSKlaus Jensen n->features.temp_thresh_low = NVME_TEMP_TMPTH(dw11); 615088eea45cSKlaus Jensen break; 615188eea45cSKlaus Jensen default: 615288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 615388eea45cSKlaus Jensen } 615488eea45cSKlaus Jensen 615588eea45cSKlaus Jensen if ((n->temperature >= n->features.temp_thresh_hi) || 615688eea45cSKlaus Jensen (n->temperature <= n->features.temp_thresh_low)) { 61579235a72aSKlaus Jensen nvme_smart_event(n, NVME_SMART_TEMPERATURE); 615888eea45cSKlaus Jensen } 615988eea45cSKlaus Jensen 616088eea45cSKlaus Jensen break; 616188eea45cSKlaus Jensen case NVME_ERROR_RECOVERY: 616288eea45cSKlaus Jensen if (nsid == NVME_NSID_BROADCAST) { 616388eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 616488eea45cSKlaus Jensen ns = nvme_ns(n, i); 616588eea45cSKlaus Jensen 616688eea45cSKlaus Jensen if (!ns) { 616788eea45cSKlaus Jensen continue; 616888eea45cSKlaus Jensen } 616988eea45cSKlaus Jensen 617088eea45cSKlaus Jensen if (NVME_ID_NS_NSFEAT_DULBE(ns->id_ns.nsfeat)) { 617188eea45cSKlaus Jensen ns->features.err_rec = dw11; 617288eea45cSKlaus Jensen } 617388eea45cSKlaus Jensen } 617488eea45cSKlaus Jensen 617588eea45cSKlaus Jensen break; 617688eea45cSKlaus Jensen } 617788eea45cSKlaus Jensen 617888eea45cSKlaus Jensen assert(ns); 617988eea45cSKlaus Jensen if (NVME_ID_NS_NSFEAT_DULBE(ns->id_ns.nsfeat)) { 618088eea45cSKlaus Jensen ns->features.err_rec = dw11; 618188eea45cSKlaus Jensen } 618288eea45cSKlaus Jensen break; 618388eea45cSKlaus Jensen case NVME_VOLATILE_WRITE_CACHE: 618488eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 618588eea45cSKlaus Jensen ns = nvme_ns(n, i); 618688eea45cSKlaus Jensen if (!ns) { 618788eea45cSKlaus Jensen continue; 618888eea45cSKlaus Jensen } 618988eea45cSKlaus Jensen 619088eea45cSKlaus Jensen if (!(dw11 & 0x1) && blk_enable_write_cache(ns->blkconf.blk)) { 619188eea45cSKlaus Jensen blk_flush(ns->blkconf.blk); 619288eea45cSKlaus Jensen } 619388eea45cSKlaus Jensen 619488eea45cSKlaus Jensen blk_set_enable_write_cache(ns->blkconf.blk, dw11 & 1); 619588eea45cSKlaus Jensen } 619688eea45cSKlaus Jensen 619788eea45cSKlaus Jensen break; 619888eea45cSKlaus Jensen 619988eea45cSKlaus Jensen case NVME_NUMBER_OF_QUEUES: 620088eea45cSKlaus Jensen if (n->qs_created) { 620188eea45cSKlaus Jensen return NVME_CMD_SEQ_ERROR | NVME_DNR; 620288eea45cSKlaus Jensen } 620388eea45cSKlaus Jensen 620488eea45cSKlaus Jensen /* 620588eea45cSKlaus Jensen * NVMe v1.3, Section 5.21.1.7: FFFFh is not an allowed value for NCQR 620688eea45cSKlaus Jensen * and NSQR. 620788eea45cSKlaus Jensen */ 620888eea45cSKlaus Jensen if ((dw11 & 0xffff) == 0xffff || ((dw11 >> 16) & 0xffff) == 0xffff) { 620988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 621088eea45cSKlaus Jensen } 621188eea45cSKlaus Jensen 621288eea45cSKlaus Jensen trace_pci_nvme_setfeat_numq((dw11 & 0xffff) + 1, 621388eea45cSKlaus Jensen ((dw11 >> 16) & 0xffff) + 1, 6214decc0261SŁukasz Gieryk n->conf_ioqpairs, 6215decc0261SŁukasz Gieryk n->conf_ioqpairs); 6216decc0261SŁukasz Gieryk req->cqe.result = cpu_to_le32((n->conf_ioqpairs - 1) | 6217decc0261SŁukasz Gieryk ((n->conf_ioqpairs - 1) << 16)); 621888eea45cSKlaus Jensen break; 621988eea45cSKlaus Jensen case NVME_ASYNCHRONOUS_EVENT_CONF: 622088eea45cSKlaus Jensen n->features.async_config = dw11; 622188eea45cSKlaus Jensen break; 622288eea45cSKlaus Jensen case NVME_TIMESTAMP: 622388eea45cSKlaus Jensen return nvme_set_feature_timestamp(n, req); 6224d0c0697bSNaveen Nagar case NVME_HOST_BEHAVIOR_SUPPORT: 6225763c05dfSNaveen Nagar status = nvme_h2c(n, (uint8_t *)&n->features.hbs, 6226d0c0697bSNaveen Nagar sizeof(n->features.hbs), req); 6227763c05dfSNaveen Nagar if (status) { 6228763c05dfSNaveen Nagar return status; 6229763c05dfSNaveen Nagar } 6230763c05dfSNaveen Nagar 6231763c05dfSNaveen Nagar for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 6232763c05dfSNaveen Nagar ns = nvme_ns(n, i); 6233763c05dfSNaveen Nagar 6234763c05dfSNaveen Nagar if (!ns) { 6235763c05dfSNaveen Nagar continue; 6236763c05dfSNaveen Nagar } 6237763c05dfSNaveen Nagar 6238763c05dfSNaveen Nagar ns->id_ns.nlbaf = ns->nlbaf - 1; 6239763c05dfSNaveen Nagar if (!n->features.hbs.lbafee) { 6240763c05dfSNaveen Nagar ns->id_ns.nlbaf = MIN(ns->id_ns.nlbaf, 15); 6241763c05dfSNaveen Nagar } 6242763c05dfSNaveen Nagar } 6243763c05dfSNaveen Nagar 6244763c05dfSNaveen Nagar return status; 624588eea45cSKlaus Jensen case NVME_COMMAND_SET_PROFILE: 624688eea45cSKlaus Jensen if (dw11 & 0x1ff) { 624788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_iocsci(dw11 & 0x1ff); 624888eea45cSKlaus Jensen return NVME_CMD_SET_CMB_REJECTED | NVME_DNR; 624988eea45cSKlaus Jensen } 625088eea45cSKlaus Jensen break; 625173064edfSJesper Devantier case NVME_FDP_MODE: 625273064edfSJesper Devantier /* spec: abort with cmd seq err if there's one or more NS' in endgrp */ 625373064edfSJesper Devantier return NVME_CMD_SEQ_ERROR | NVME_DNR; 625473064edfSJesper Devantier case NVME_FDP_EVENTS: 625573064edfSJesper Devantier return nvme_set_feature_fdp_events(n, ns, req); 625688eea45cSKlaus Jensen default: 625788eea45cSKlaus Jensen return NVME_FEAT_NOT_CHANGEABLE | NVME_DNR; 625888eea45cSKlaus Jensen } 625988eea45cSKlaus Jensen return NVME_SUCCESS; 626088eea45cSKlaus Jensen } 626188eea45cSKlaus Jensen 626288eea45cSKlaus Jensen static uint16_t nvme_aer(NvmeCtrl *n, NvmeRequest *req) 626388eea45cSKlaus Jensen { 626488eea45cSKlaus Jensen trace_pci_nvme_aer(nvme_cid(req)); 626588eea45cSKlaus Jensen 626688eea45cSKlaus Jensen if (n->outstanding_aers > n->params.aerl) { 626788eea45cSKlaus Jensen trace_pci_nvme_aer_aerl_exceeded(); 626888eea45cSKlaus Jensen return NVME_AER_LIMIT_EXCEEDED; 626988eea45cSKlaus Jensen } 627088eea45cSKlaus Jensen 627188eea45cSKlaus Jensen n->aer_reqs[n->outstanding_aers] = req; 627288eea45cSKlaus Jensen n->outstanding_aers++; 627388eea45cSKlaus Jensen 627488eea45cSKlaus Jensen if (!QTAILQ_EMPTY(&n->aer_queue)) { 627588eea45cSKlaus Jensen nvme_process_aers(n); 627688eea45cSKlaus Jensen } 627788eea45cSKlaus Jensen 627888eea45cSKlaus Jensen return NVME_NO_COMPLETE; 627988eea45cSKlaus Jensen } 628088eea45cSKlaus Jensen 628188eea45cSKlaus Jensen static void nvme_update_dmrsl(NvmeCtrl *n) 628288eea45cSKlaus Jensen { 628388eea45cSKlaus Jensen int nsid; 628488eea45cSKlaus Jensen 628588eea45cSKlaus Jensen for (nsid = 1; nsid <= NVME_MAX_NAMESPACES; nsid++) { 628688eea45cSKlaus Jensen NvmeNamespace *ns = nvme_ns(n, nsid); 628788eea45cSKlaus Jensen if (!ns) { 628888eea45cSKlaus Jensen continue; 628988eea45cSKlaus Jensen } 629088eea45cSKlaus Jensen 629188eea45cSKlaus Jensen n->dmrsl = MIN_NON_ZERO(n->dmrsl, 629288eea45cSKlaus Jensen BDRV_REQUEST_MAX_BYTES / nvme_l2b(ns, 1)); 629388eea45cSKlaus Jensen } 629488eea45cSKlaus Jensen } 629588eea45cSKlaus Jensen 629688eea45cSKlaus Jensen static void nvme_select_iocs_ns(NvmeCtrl *n, NvmeNamespace *ns) 629788eea45cSKlaus Jensen { 629849e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 629949e03457SKlaus Jensen 630088eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_none; 630188eea45cSKlaus Jensen switch (ns->csi) { 630288eea45cSKlaus Jensen case NVME_CSI_NVM: 630349e03457SKlaus Jensen if (NVME_CC_CSS(cc) != NVME_CC_CSS_ADMIN_ONLY) { 630488eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_nvm; 630588eea45cSKlaus Jensen } 630688eea45cSKlaus Jensen break; 630788eea45cSKlaus Jensen case NVME_CSI_ZONED: 630849e03457SKlaus Jensen if (NVME_CC_CSS(cc) == NVME_CC_CSS_CSI) { 630988eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_zoned; 631049e03457SKlaus Jensen } else if (NVME_CC_CSS(cc) == NVME_CC_CSS_NVM) { 631188eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_nvm; 631288eea45cSKlaus Jensen } 631388eea45cSKlaus Jensen break; 631488eea45cSKlaus Jensen } 631588eea45cSKlaus Jensen } 631688eea45cSKlaus Jensen 631788eea45cSKlaus Jensen static uint16_t nvme_ns_attachment(NvmeCtrl *n, NvmeRequest *req) 631888eea45cSKlaus Jensen { 631988eea45cSKlaus Jensen NvmeNamespace *ns; 632088eea45cSKlaus Jensen NvmeCtrl *ctrl; 632188eea45cSKlaus Jensen uint16_t list[NVME_CONTROLLER_LIST_SIZE] = {}; 632288eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 632388eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 632407a3dfa7SNaveen Nagar uint8_t sel = dw10 & 0xf; 632588eea45cSKlaus Jensen uint16_t *nr_ids = &list[0]; 632688eea45cSKlaus Jensen uint16_t *ids = &list[1]; 632788eea45cSKlaus Jensen uint16_t ret; 632888eea45cSKlaus Jensen int i; 632988eea45cSKlaus Jensen 633088eea45cSKlaus Jensen trace_pci_nvme_ns_attachment(nvme_cid(req), dw10 & 0xf); 633188eea45cSKlaus Jensen 633288eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 633388eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 633488eea45cSKlaus Jensen } 633588eea45cSKlaus Jensen 633688eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 633788eea45cSKlaus Jensen if (!ns) { 633888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 633988eea45cSKlaus Jensen } 634088eea45cSKlaus Jensen 634188eea45cSKlaus Jensen ret = nvme_h2c(n, (uint8_t *)list, 4096, req); 634288eea45cSKlaus Jensen if (ret) { 634388eea45cSKlaus Jensen return ret; 634488eea45cSKlaus Jensen } 634588eea45cSKlaus Jensen 634688eea45cSKlaus Jensen if (!*nr_ids) { 634788eea45cSKlaus Jensen return NVME_NS_CTRL_LIST_INVALID | NVME_DNR; 634888eea45cSKlaus Jensen } 634988eea45cSKlaus Jensen 635088eea45cSKlaus Jensen *nr_ids = MIN(*nr_ids, NVME_CONTROLLER_LIST_SIZE - 1); 635188eea45cSKlaus Jensen for (i = 0; i < *nr_ids; i++) { 635288eea45cSKlaus Jensen ctrl = nvme_subsys_ctrl(n->subsys, ids[i]); 635388eea45cSKlaus Jensen if (!ctrl) { 635488eea45cSKlaus Jensen return NVME_NS_CTRL_LIST_INVALID | NVME_DNR; 635588eea45cSKlaus Jensen } 635688eea45cSKlaus Jensen 635707a3dfa7SNaveen Nagar switch (sel) { 635807a3dfa7SNaveen Nagar case NVME_NS_ATTACHMENT_ATTACH: 635988eea45cSKlaus Jensen if (nvme_ns(ctrl, nsid)) { 636088eea45cSKlaus Jensen return NVME_NS_ALREADY_ATTACHED | NVME_DNR; 636188eea45cSKlaus Jensen } 636288eea45cSKlaus Jensen 636388eea45cSKlaus Jensen if (ns->attached && !ns->params.shared) { 636488eea45cSKlaus Jensen return NVME_NS_PRIVATE | NVME_DNR; 636588eea45cSKlaus Jensen } 636688eea45cSKlaus Jensen 636788eea45cSKlaus Jensen nvme_attach_ns(ctrl, ns); 636888eea45cSKlaus Jensen nvme_select_iocs_ns(ctrl, ns); 636907a3dfa7SNaveen Nagar 637007a3dfa7SNaveen Nagar break; 637107a3dfa7SNaveen Nagar 637207a3dfa7SNaveen Nagar case NVME_NS_ATTACHMENT_DETACH: 637388eea45cSKlaus Jensen if (!nvme_ns(ctrl, nsid)) { 637488eea45cSKlaus Jensen return NVME_NS_NOT_ATTACHED | NVME_DNR; 637588eea45cSKlaus Jensen } 637688eea45cSKlaus Jensen 637788eea45cSKlaus Jensen ctrl->namespaces[nsid] = NULL; 637888eea45cSKlaus Jensen ns->attached--; 637988eea45cSKlaus Jensen 638088eea45cSKlaus Jensen nvme_update_dmrsl(ctrl); 638107a3dfa7SNaveen Nagar 638207a3dfa7SNaveen Nagar break; 638307a3dfa7SNaveen Nagar 638407a3dfa7SNaveen Nagar default: 638507a3dfa7SNaveen Nagar return NVME_INVALID_FIELD | NVME_DNR; 638688eea45cSKlaus Jensen } 638788eea45cSKlaus Jensen 638888eea45cSKlaus Jensen /* 638988eea45cSKlaus Jensen * Add namespace id to the changed namespace id list for event clearing 639088eea45cSKlaus Jensen * via Get Log Page command. 639188eea45cSKlaus Jensen */ 639288eea45cSKlaus Jensen if (!test_and_set_bit(nsid, ctrl->changed_nsids)) { 639388eea45cSKlaus Jensen nvme_enqueue_event(ctrl, NVME_AER_TYPE_NOTICE, 639488eea45cSKlaus Jensen NVME_AER_INFO_NOTICE_NS_ATTR_CHANGED, 639588eea45cSKlaus Jensen NVME_LOG_CHANGED_NSLIST); 639688eea45cSKlaus Jensen } 639788eea45cSKlaus Jensen } 639888eea45cSKlaus Jensen 639988eea45cSKlaus Jensen return NVME_SUCCESS; 640088eea45cSKlaus Jensen } 640188eea45cSKlaus Jensen 64023bcf26d3SKlaus Jensen typedef struct NvmeFormatAIOCB { 64033bcf26d3SKlaus Jensen BlockAIOCB common; 64043bcf26d3SKlaus Jensen BlockAIOCB *aiocb; 64053bcf26d3SKlaus Jensen NvmeRequest *req; 64063bcf26d3SKlaus Jensen int ret; 640788eea45cSKlaus Jensen 64083bcf26d3SKlaus Jensen NvmeNamespace *ns; 64093bcf26d3SKlaus Jensen uint32_t nsid; 64103bcf26d3SKlaus Jensen bool broadcast; 64113bcf26d3SKlaus Jensen int64_t offset; 6412a6de6ed5SKlaus Jensen 6413a6de6ed5SKlaus Jensen uint8_t lbaf; 6414a6de6ed5SKlaus Jensen uint8_t mset; 6415a6de6ed5SKlaus Jensen uint8_t pi; 6416a6de6ed5SKlaus Jensen uint8_t pil; 64173bcf26d3SKlaus Jensen } NvmeFormatAIOCB; 64183bcf26d3SKlaus Jensen 64193bcf26d3SKlaus Jensen static void nvme_format_cancel(BlockAIOCB *aiocb) 64203bcf26d3SKlaus Jensen { 64213bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = container_of(aiocb, NvmeFormatAIOCB, common); 64223bcf26d3SKlaus Jensen 6423433c71e4SKlaus Jensen iocb->ret = -ECANCELED; 6424433c71e4SKlaus Jensen 64253bcf26d3SKlaus Jensen if (iocb->aiocb) { 64263bcf26d3SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 6427433c71e4SKlaus Jensen iocb->aiocb = NULL; 64283bcf26d3SKlaus Jensen } 64293bcf26d3SKlaus Jensen } 64303bcf26d3SKlaus Jensen 64313bcf26d3SKlaus Jensen static const AIOCBInfo nvme_format_aiocb_info = { 64323bcf26d3SKlaus Jensen .aiocb_size = sizeof(NvmeFormatAIOCB), 64333bcf26d3SKlaus Jensen .cancel_async = nvme_format_cancel, 64343bcf26d3SKlaus Jensen .get_aio_context = nvme_get_aio_context, 64353bcf26d3SKlaus Jensen }; 64363bcf26d3SKlaus Jensen 6437a6de6ed5SKlaus Jensen static void nvme_format_set(NvmeNamespace *ns, uint8_t lbaf, uint8_t mset, 6438a6de6ed5SKlaus Jensen uint8_t pi, uint8_t pil) 64393bcf26d3SKlaus Jensen { 6440763c05dfSNaveen Nagar uint8_t lbafl = lbaf & 0xf; 6441763c05dfSNaveen Nagar uint8_t lbafu = lbaf >> 4; 6442763c05dfSNaveen Nagar 64433bcf26d3SKlaus Jensen trace_pci_nvme_format_set(ns->params.nsid, lbaf, mset, pi, pil); 64443bcf26d3SKlaus Jensen 64453bcf26d3SKlaus Jensen ns->id_ns.dps = (pil << 3) | pi; 6446763c05dfSNaveen Nagar ns->id_ns.flbas = (lbafu << 5) | (mset << 4) | lbafl; 64473bcf26d3SKlaus Jensen 64483bcf26d3SKlaus Jensen nvme_ns_init_format(ns); 64493bcf26d3SKlaus Jensen } 64503bcf26d3SKlaus Jensen 6451433c71e4SKlaus Jensen static void nvme_do_format(NvmeFormatAIOCB *iocb); 6452433c71e4SKlaus Jensen 64533bcf26d3SKlaus Jensen static void nvme_format_ns_cb(void *opaque, int ret) 64543bcf26d3SKlaus Jensen { 64553bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = opaque; 64563bcf26d3SKlaus Jensen NvmeNamespace *ns = iocb->ns; 64573bcf26d3SKlaus Jensen int bytes; 64583bcf26d3SKlaus Jensen 6459433c71e4SKlaus Jensen if (iocb->ret < 0) { 6460433c71e4SKlaus Jensen goto done; 6461433c71e4SKlaus Jensen } else if (ret < 0) { 64623bcf26d3SKlaus Jensen iocb->ret = ret; 64633bcf26d3SKlaus Jensen goto done; 64643bcf26d3SKlaus Jensen } 64653bcf26d3SKlaus Jensen 64663bcf26d3SKlaus Jensen assert(ns); 64673bcf26d3SKlaus Jensen 64683bcf26d3SKlaus Jensen if (iocb->offset < ns->size) { 64693bcf26d3SKlaus Jensen bytes = MIN(BDRV_REQUEST_MAX_BYTES, ns->size - iocb->offset); 64703bcf26d3SKlaus Jensen 64713bcf26d3SKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, iocb->offset, 64723bcf26d3SKlaus Jensen bytes, BDRV_REQ_MAY_UNMAP, 64733bcf26d3SKlaus Jensen nvme_format_ns_cb, iocb); 64743bcf26d3SKlaus Jensen 64753bcf26d3SKlaus Jensen iocb->offset += bytes; 64763bcf26d3SKlaus Jensen return; 64773bcf26d3SKlaus Jensen } 64783bcf26d3SKlaus Jensen 6479a6de6ed5SKlaus Jensen nvme_format_set(ns, iocb->lbaf, iocb->mset, iocb->pi, iocb->pil); 64803bcf26d3SKlaus Jensen ns->status = 0x0; 64813bcf26d3SKlaus Jensen iocb->ns = NULL; 64823bcf26d3SKlaus Jensen iocb->offset = 0; 64833bcf26d3SKlaus Jensen 64843bcf26d3SKlaus Jensen done: 6485433c71e4SKlaus Jensen nvme_do_format(iocb); 64863bcf26d3SKlaus Jensen } 64873bcf26d3SKlaus Jensen 64883bcf26d3SKlaus Jensen static uint16_t nvme_format_check(NvmeNamespace *ns, uint8_t lbaf, uint8_t pi) 64893bcf26d3SKlaus Jensen { 649088eea45cSKlaus Jensen if (ns->params.zoned) { 649188eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 649288eea45cSKlaus Jensen } 649388eea45cSKlaus Jensen 649488eea45cSKlaus Jensen if (lbaf > ns->id_ns.nlbaf) { 649588eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 649688eea45cSKlaus Jensen } 649788eea45cSKlaus Jensen 6498ac0b34c5SKlaus Jensen if (pi && (ns->id_ns.lbaf[lbaf].ms < nvme_pi_tuple_size(ns))) { 649988eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 650088eea45cSKlaus Jensen } 650188eea45cSKlaus Jensen 650288eea45cSKlaus Jensen if (pi && pi > NVME_ID_NS_DPS_TYPE_3) { 650388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 650488eea45cSKlaus Jensen } 650588eea45cSKlaus Jensen 650688eea45cSKlaus Jensen return NVME_SUCCESS; 650788eea45cSKlaus Jensen } 650888eea45cSKlaus Jensen 6509433c71e4SKlaus Jensen static void nvme_do_format(NvmeFormatAIOCB *iocb) 651088eea45cSKlaus Jensen { 65113bcf26d3SKlaus Jensen NvmeRequest *req = iocb->req; 65123bcf26d3SKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 651344219b60SNaveen Nagar uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 651444219b60SNaveen Nagar uint8_t lbaf = dw10 & 0xf; 651544219b60SNaveen Nagar uint8_t pi = (dw10 >> 5) & 0x7; 651688eea45cSKlaus Jensen uint16_t status; 651788eea45cSKlaus Jensen int i; 651888eea45cSKlaus Jensen 65193bcf26d3SKlaus Jensen if (iocb->ret < 0) { 65203bcf26d3SKlaus Jensen goto done; 652188eea45cSKlaus Jensen } 652288eea45cSKlaus Jensen 65233bcf26d3SKlaus Jensen if (iocb->broadcast) { 65243bcf26d3SKlaus Jensen for (i = iocb->nsid + 1; i <= NVME_MAX_NAMESPACES; i++) { 65253bcf26d3SKlaus Jensen iocb->ns = nvme_ns(n, i); 65263bcf26d3SKlaus Jensen if (iocb->ns) { 65273bcf26d3SKlaus Jensen iocb->nsid = i; 652888eea45cSKlaus Jensen break; 652988eea45cSKlaus Jensen } 653088eea45cSKlaus Jensen } 653188eea45cSKlaus Jensen } 653288eea45cSKlaus Jensen 65333bcf26d3SKlaus Jensen if (!iocb->ns) { 65343bcf26d3SKlaus Jensen goto done; 653588eea45cSKlaus Jensen } 653688eea45cSKlaus Jensen 653744219b60SNaveen Nagar status = nvme_format_check(iocb->ns, lbaf, pi); 65383bcf26d3SKlaus Jensen if (status) { 65393bcf26d3SKlaus Jensen req->status = status; 65403bcf26d3SKlaus Jensen goto done; 65413bcf26d3SKlaus Jensen } 65423bcf26d3SKlaus Jensen 65433bcf26d3SKlaus Jensen iocb->ns->status = NVME_FORMAT_IN_PROGRESS; 65443bcf26d3SKlaus Jensen nvme_format_ns_cb(iocb, 0); 65453bcf26d3SKlaus Jensen return; 65463bcf26d3SKlaus Jensen 65473bcf26d3SKlaus Jensen done: 65483bcf26d3SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 65493bcf26d3SKlaus Jensen qemu_aio_unref(iocb); 65503bcf26d3SKlaus Jensen } 65513bcf26d3SKlaus Jensen 65523bcf26d3SKlaus Jensen static uint16_t nvme_format(NvmeCtrl *n, NvmeRequest *req) 65533bcf26d3SKlaus Jensen { 65543bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb; 65553bcf26d3SKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 6556a6de6ed5SKlaus Jensen uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 6557a6de6ed5SKlaus Jensen uint8_t lbaf = dw10 & 0xf; 6558a6de6ed5SKlaus Jensen uint8_t mset = (dw10 >> 4) & 0x1; 6559a6de6ed5SKlaus Jensen uint8_t pi = (dw10 >> 5) & 0x7; 6560a6de6ed5SKlaus Jensen uint8_t pil = (dw10 >> 8) & 0x1; 6561763c05dfSNaveen Nagar uint8_t lbafu = (dw10 >> 12) & 0x3; 65623bcf26d3SKlaus Jensen uint16_t status; 65633bcf26d3SKlaus Jensen 65643bcf26d3SKlaus Jensen iocb = qemu_aio_get(&nvme_format_aiocb_info, NULL, nvme_misc_cb, req); 65653bcf26d3SKlaus Jensen 65663bcf26d3SKlaus Jensen iocb->req = req; 65673bcf26d3SKlaus Jensen iocb->ret = 0; 65683bcf26d3SKlaus Jensen iocb->ns = NULL; 65693bcf26d3SKlaus Jensen iocb->nsid = 0; 6570a6de6ed5SKlaus Jensen iocb->lbaf = lbaf; 6571a6de6ed5SKlaus Jensen iocb->mset = mset; 6572a6de6ed5SKlaus Jensen iocb->pi = pi; 6573a6de6ed5SKlaus Jensen iocb->pil = pil; 65743bcf26d3SKlaus Jensen iocb->broadcast = (nsid == NVME_NSID_BROADCAST); 65753bcf26d3SKlaus Jensen iocb->offset = 0; 65763bcf26d3SKlaus Jensen 6577763c05dfSNaveen Nagar if (n->features.hbs.lbafee) { 6578763c05dfSNaveen Nagar iocb->lbaf |= lbafu << 4; 6579763c05dfSNaveen Nagar } 6580763c05dfSNaveen Nagar 65813bcf26d3SKlaus Jensen if (!iocb->broadcast) { 65823bcf26d3SKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 65833bcf26d3SKlaus Jensen status = NVME_INVALID_NSID | NVME_DNR; 65843bcf26d3SKlaus Jensen goto out; 65853bcf26d3SKlaus Jensen } 65863bcf26d3SKlaus Jensen 65873bcf26d3SKlaus Jensen iocb->ns = nvme_ns(n, nsid); 65883bcf26d3SKlaus Jensen if (!iocb->ns) { 65893bcf26d3SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 65903bcf26d3SKlaus Jensen goto out; 65913bcf26d3SKlaus Jensen } 65923bcf26d3SKlaus Jensen } 65933bcf26d3SKlaus Jensen 65943bcf26d3SKlaus Jensen req->aiocb = &iocb->common; 6595433c71e4SKlaus Jensen nvme_do_format(iocb); 65963bcf26d3SKlaus Jensen 65973bcf26d3SKlaus Jensen return NVME_NO_COMPLETE; 65983bcf26d3SKlaus Jensen 65993bcf26d3SKlaus Jensen out: 66003bcf26d3SKlaus Jensen qemu_aio_unref(iocb); 6601433c71e4SKlaus Jensen 66023bcf26d3SKlaus Jensen return status; 660388eea45cSKlaus Jensen } 660488eea45cSKlaus Jensen 660511871f53SŁukasz Gieryk static void nvme_get_virt_res_num(NvmeCtrl *n, uint8_t rt, int *num_total, 660611871f53SŁukasz Gieryk int *num_prim, int *num_sec) 660711871f53SŁukasz Gieryk { 660811871f53SŁukasz Gieryk *num_total = le32_to_cpu(rt ? 660911871f53SŁukasz Gieryk n->pri_ctrl_cap.vifrt : n->pri_ctrl_cap.vqfrt); 661011871f53SŁukasz Gieryk *num_prim = le16_to_cpu(rt ? 661111871f53SŁukasz Gieryk n->pri_ctrl_cap.virfap : n->pri_ctrl_cap.vqrfap); 661211871f53SŁukasz Gieryk *num_sec = le16_to_cpu(rt ? n->pri_ctrl_cap.virfa : n->pri_ctrl_cap.vqrfa); 661311871f53SŁukasz Gieryk } 661411871f53SŁukasz Gieryk 661511871f53SŁukasz Gieryk static uint16_t nvme_assign_virt_res_to_prim(NvmeCtrl *n, NvmeRequest *req, 661611871f53SŁukasz Gieryk uint16_t cntlid, uint8_t rt, 661711871f53SŁukasz Gieryk int nr) 661811871f53SŁukasz Gieryk { 661911871f53SŁukasz Gieryk int num_total, num_prim, num_sec; 662011871f53SŁukasz Gieryk 662111871f53SŁukasz Gieryk if (cntlid != n->cntlid) { 662211871f53SŁukasz Gieryk return NVME_INVALID_CTRL_ID | NVME_DNR; 662311871f53SŁukasz Gieryk } 662411871f53SŁukasz Gieryk 662511871f53SŁukasz Gieryk nvme_get_virt_res_num(n, rt, &num_total, &num_prim, &num_sec); 662611871f53SŁukasz Gieryk 662711871f53SŁukasz Gieryk if (nr > num_total) { 662811871f53SŁukasz Gieryk return NVME_INVALID_NUM_RESOURCES | NVME_DNR; 662911871f53SŁukasz Gieryk } 663011871f53SŁukasz Gieryk 663111871f53SŁukasz Gieryk if (nr > num_total - num_sec) { 663211871f53SŁukasz Gieryk return NVME_INVALID_RESOURCE_ID | NVME_DNR; 663311871f53SŁukasz Gieryk } 663411871f53SŁukasz Gieryk 663511871f53SŁukasz Gieryk if (rt) { 663611871f53SŁukasz Gieryk n->next_pri_ctrl_cap.virfap = cpu_to_le16(nr); 663711871f53SŁukasz Gieryk } else { 663811871f53SŁukasz Gieryk n->next_pri_ctrl_cap.vqrfap = cpu_to_le16(nr); 663911871f53SŁukasz Gieryk } 664011871f53SŁukasz Gieryk 664111871f53SŁukasz Gieryk req->cqe.result = cpu_to_le32(nr); 664211871f53SŁukasz Gieryk return req->status; 664311871f53SŁukasz Gieryk } 664411871f53SŁukasz Gieryk 664511871f53SŁukasz Gieryk static void nvme_update_virt_res(NvmeCtrl *n, NvmeSecCtrlEntry *sctrl, 664611871f53SŁukasz Gieryk uint8_t rt, int nr) 664711871f53SŁukasz Gieryk { 664811871f53SŁukasz Gieryk int prev_nr, prev_total; 664911871f53SŁukasz Gieryk 665011871f53SŁukasz Gieryk if (rt) { 665111871f53SŁukasz Gieryk prev_nr = le16_to_cpu(sctrl->nvi); 665211871f53SŁukasz Gieryk prev_total = le32_to_cpu(n->pri_ctrl_cap.virfa); 665311871f53SŁukasz Gieryk sctrl->nvi = cpu_to_le16(nr); 665411871f53SŁukasz Gieryk n->pri_ctrl_cap.virfa = cpu_to_le32(prev_total + nr - prev_nr); 665511871f53SŁukasz Gieryk } else { 665611871f53SŁukasz Gieryk prev_nr = le16_to_cpu(sctrl->nvq); 665711871f53SŁukasz Gieryk prev_total = le32_to_cpu(n->pri_ctrl_cap.vqrfa); 665811871f53SŁukasz Gieryk sctrl->nvq = cpu_to_le16(nr); 665911871f53SŁukasz Gieryk n->pri_ctrl_cap.vqrfa = cpu_to_le32(prev_total + nr - prev_nr); 666011871f53SŁukasz Gieryk } 666111871f53SŁukasz Gieryk } 666211871f53SŁukasz Gieryk 666311871f53SŁukasz Gieryk static uint16_t nvme_assign_virt_res_to_sec(NvmeCtrl *n, NvmeRequest *req, 666411871f53SŁukasz Gieryk uint16_t cntlid, uint8_t rt, int nr) 666511871f53SŁukasz Gieryk { 666611871f53SŁukasz Gieryk int num_total, num_prim, num_sec, num_free, diff, limit; 666711871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl; 666811871f53SŁukasz Gieryk 666911871f53SŁukasz Gieryk sctrl = nvme_sctrl_for_cntlid(n, cntlid); 667011871f53SŁukasz Gieryk if (!sctrl) { 667111871f53SŁukasz Gieryk return NVME_INVALID_CTRL_ID | NVME_DNR; 667211871f53SŁukasz Gieryk } 667311871f53SŁukasz Gieryk 667411871f53SŁukasz Gieryk if (sctrl->scs) { 667511871f53SŁukasz Gieryk return NVME_INVALID_SEC_CTRL_STATE | NVME_DNR; 667611871f53SŁukasz Gieryk } 667711871f53SŁukasz Gieryk 667811871f53SŁukasz Gieryk limit = le16_to_cpu(rt ? n->pri_ctrl_cap.vifrsm : n->pri_ctrl_cap.vqfrsm); 667911871f53SŁukasz Gieryk if (nr > limit) { 668011871f53SŁukasz Gieryk return NVME_INVALID_NUM_RESOURCES | NVME_DNR; 668111871f53SŁukasz Gieryk } 668211871f53SŁukasz Gieryk 668311871f53SŁukasz Gieryk nvme_get_virt_res_num(n, rt, &num_total, &num_prim, &num_sec); 668411871f53SŁukasz Gieryk num_free = num_total - num_prim - num_sec; 668511871f53SŁukasz Gieryk diff = nr - le16_to_cpu(rt ? sctrl->nvi : sctrl->nvq); 668611871f53SŁukasz Gieryk 668711871f53SŁukasz Gieryk if (diff > num_free) { 668811871f53SŁukasz Gieryk return NVME_INVALID_RESOURCE_ID | NVME_DNR; 668911871f53SŁukasz Gieryk } 669011871f53SŁukasz Gieryk 669111871f53SŁukasz Gieryk nvme_update_virt_res(n, sctrl, rt, nr); 669211871f53SŁukasz Gieryk req->cqe.result = cpu_to_le32(nr); 669311871f53SŁukasz Gieryk 669411871f53SŁukasz Gieryk return req->status; 669511871f53SŁukasz Gieryk } 669611871f53SŁukasz Gieryk 669711871f53SŁukasz Gieryk static uint16_t nvme_virt_set_state(NvmeCtrl *n, uint16_t cntlid, bool online) 669811871f53SŁukasz Gieryk { 669948b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 670011871f53SŁukasz Gieryk NvmeCtrl *sn = NULL; 670111871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl; 670211871f53SŁukasz Gieryk int vf_index; 670311871f53SŁukasz Gieryk 670411871f53SŁukasz Gieryk sctrl = nvme_sctrl_for_cntlid(n, cntlid); 670511871f53SŁukasz Gieryk if (!sctrl) { 670611871f53SŁukasz Gieryk return NVME_INVALID_CTRL_ID | NVME_DNR; 670711871f53SŁukasz Gieryk } 670811871f53SŁukasz Gieryk 670948b32c28SKlaus Jensen if (!pci_is_vf(pci)) { 671011871f53SŁukasz Gieryk vf_index = le16_to_cpu(sctrl->vfn) - 1; 671148b32c28SKlaus Jensen sn = NVME(pcie_sriov_get_vf_at_index(pci, vf_index)); 671211871f53SŁukasz Gieryk } 671311871f53SŁukasz Gieryk 671411871f53SŁukasz Gieryk if (online) { 671511871f53SŁukasz Gieryk if (!sctrl->nvi || (le16_to_cpu(sctrl->nvq) < 2) || !sn) { 671611871f53SŁukasz Gieryk return NVME_INVALID_SEC_CTRL_STATE | NVME_DNR; 671711871f53SŁukasz Gieryk } 671811871f53SŁukasz Gieryk 671911871f53SŁukasz Gieryk if (!sctrl->scs) { 672011871f53SŁukasz Gieryk sctrl->scs = 0x1; 672111871f53SŁukasz Gieryk nvme_ctrl_reset(sn, NVME_RESET_FUNCTION); 672211871f53SŁukasz Gieryk } 672311871f53SŁukasz Gieryk } else { 672411871f53SŁukasz Gieryk nvme_update_virt_res(n, sctrl, NVME_VIRT_RES_INTERRUPT, 0); 672511871f53SŁukasz Gieryk nvme_update_virt_res(n, sctrl, NVME_VIRT_RES_QUEUE, 0); 672611871f53SŁukasz Gieryk 672711871f53SŁukasz Gieryk if (sctrl->scs) { 672811871f53SŁukasz Gieryk sctrl->scs = 0x0; 672911871f53SŁukasz Gieryk if (sn) { 673011871f53SŁukasz Gieryk nvme_ctrl_reset(sn, NVME_RESET_FUNCTION); 673111871f53SŁukasz Gieryk } 673211871f53SŁukasz Gieryk } 673311871f53SŁukasz Gieryk } 673411871f53SŁukasz Gieryk 673511871f53SŁukasz Gieryk return NVME_SUCCESS; 673611871f53SŁukasz Gieryk } 673711871f53SŁukasz Gieryk 673811871f53SŁukasz Gieryk static uint16_t nvme_virt_mngmt(NvmeCtrl *n, NvmeRequest *req) 673911871f53SŁukasz Gieryk { 674011871f53SŁukasz Gieryk uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 674111871f53SŁukasz Gieryk uint32_t dw11 = le32_to_cpu(req->cmd.cdw11); 674211871f53SŁukasz Gieryk uint8_t act = dw10 & 0xf; 674311871f53SŁukasz Gieryk uint8_t rt = (dw10 >> 8) & 0x7; 674411871f53SŁukasz Gieryk uint16_t cntlid = (dw10 >> 16) & 0xffff; 674511871f53SŁukasz Gieryk int nr = dw11 & 0xffff; 674611871f53SŁukasz Gieryk 674711871f53SŁukasz Gieryk trace_pci_nvme_virt_mngmt(nvme_cid(req), act, cntlid, rt ? "VI" : "VQ", nr); 674811871f53SŁukasz Gieryk 674911871f53SŁukasz Gieryk if (rt != NVME_VIRT_RES_QUEUE && rt != NVME_VIRT_RES_INTERRUPT) { 675011871f53SŁukasz Gieryk return NVME_INVALID_RESOURCE_ID | NVME_DNR; 675111871f53SŁukasz Gieryk } 675211871f53SŁukasz Gieryk 675311871f53SŁukasz Gieryk switch (act) { 675411871f53SŁukasz Gieryk case NVME_VIRT_MNGMT_ACTION_SEC_ASSIGN: 675511871f53SŁukasz Gieryk return nvme_assign_virt_res_to_sec(n, req, cntlid, rt, nr); 675611871f53SŁukasz Gieryk case NVME_VIRT_MNGMT_ACTION_PRM_ALLOC: 675711871f53SŁukasz Gieryk return nvme_assign_virt_res_to_prim(n, req, cntlid, rt, nr); 675811871f53SŁukasz Gieryk case NVME_VIRT_MNGMT_ACTION_SEC_ONLINE: 675911871f53SŁukasz Gieryk return nvme_virt_set_state(n, cntlid, true); 676011871f53SŁukasz Gieryk case NVME_VIRT_MNGMT_ACTION_SEC_OFFLINE: 676111871f53SŁukasz Gieryk return nvme_virt_set_state(n, cntlid, false); 676211871f53SŁukasz Gieryk default: 676311871f53SŁukasz Gieryk return NVME_INVALID_FIELD | NVME_DNR; 676411871f53SŁukasz Gieryk } 676511871f53SŁukasz Gieryk } 676611871f53SŁukasz Gieryk 67673f7fe8deSJinhao Fan static uint16_t nvme_dbbuf_config(NvmeCtrl *n, const NvmeRequest *req) 67683f7fe8deSJinhao Fan { 676948b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 67703f7fe8deSJinhao Fan uint64_t dbs_addr = le64_to_cpu(req->cmd.dptr.prp1); 67713f7fe8deSJinhao Fan uint64_t eis_addr = le64_to_cpu(req->cmd.dptr.prp2); 67723f7fe8deSJinhao Fan int i; 67733f7fe8deSJinhao Fan 67743f7fe8deSJinhao Fan /* Address should be page aligned */ 67753f7fe8deSJinhao Fan if (dbs_addr & (n->page_size - 1) || eis_addr & (n->page_size - 1)) { 67763f7fe8deSJinhao Fan return NVME_INVALID_FIELD | NVME_DNR; 67773f7fe8deSJinhao Fan } 67783f7fe8deSJinhao Fan 67793f7fe8deSJinhao Fan /* Save shadow buffer base addr for use during queue creation */ 67803f7fe8deSJinhao Fan n->dbbuf_dbs = dbs_addr; 67813f7fe8deSJinhao Fan n->dbbuf_eis = eis_addr; 67823f7fe8deSJinhao Fan n->dbbuf_enabled = true; 67833f7fe8deSJinhao Fan 67843f7fe8deSJinhao Fan for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 67853f7fe8deSJinhao Fan NvmeSQueue *sq = n->sq[i]; 67863f7fe8deSJinhao Fan NvmeCQueue *cq = n->cq[i]; 67873f7fe8deSJinhao Fan 67883f7fe8deSJinhao Fan if (sq) { 67893f7fe8deSJinhao Fan /* 67903f7fe8deSJinhao Fan * CAP.DSTRD is 0, so offset of ith sq db_addr is (i<<3) 67913f7fe8deSJinhao Fan * nvme_process_db() uses this hard-coded way to calculate 67923f7fe8deSJinhao Fan * doorbell offsets. Be consistent with that here. 67933f7fe8deSJinhao Fan */ 67943f7fe8deSJinhao Fan sq->db_addr = dbs_addr + (i << 3); 67953f7fe8deSJinhao Fan sq->ei_addr = eis_addr + (i << 3); 679648b32c28SKlaus Jensen pci_dma_write(pci, sq->db_addr, &sq->tail, sizeof(sq->tail)); 67972e53b0b4SJinhao Fan 67982e53b0b4SJinhao Fan if (n->params.ioeventfd && sq->sqid != 0) { 67992e53b0b4SJinhao Fan if (!nvme_init_sq_ioeventfd(sq)) { 68002e53b0b4SJinhao Fan sq->ioeventfd_enabled = true; 68012e53b0b4SJinhao Fan } 68022e53b0b4SJinhao Fan } 68033f7fe8deSJinhao Fan } 68043f7fe8deSJinhao Fan 68053f7fe8deSJinhao Fan if (cq) { 68063f7fe8deSJinhao Fan /* CAP.DSTRD is 0, so offset of ith cq db_addr is (i<<3)+(1<<2) */ 68073f7fe8deSJinhao Fan cq->db_addr = dbs_addr + (i << 3) + (1 << 2); 68083f7fe8deSJinhao Fan cq->ei_addr = eis_addr + (i << 3) + (1 << 2); 680948b32c28SKlaus Jensen pci_dma_write(pci, cq->db_addr, &cq->head, sizeof(cq->head)); 68102e53b0b4SJinhao Fan 68112e53b0b4SJinhao Fan if (n->params.ioeventfd && cq->cqid != 0) { 68122e53b0b4SJinhao Fan if (!nvme_init_cq_ioeventfd(cq)) { 68132e53b0b4SJinhao Fan cq->ioeventfd_enabled = true; 68142e53b0b4SJinhao Fan } 68152e53b0b4SJinhao Fan } 68163f7fe8deSJinhao Fan } 68173f7fe8deSJinhao Fan } 68183f7fe8deSJinhao Fan 6819387350d5SJinhao Fan trace_pci_nvme_dbbuf_config(dbs_addr, eis_addr); 6820387350d5SJinhao Fan 68213f7fe8deSJinhao Fan return NVME_SUCCESS; 68223f7fe8deSJinhao Fan } 68233f7fe8deSJinhao Fan 6824e181d3daSGollu Appalanaidu static uint16_t nvme_directive_send(NvmeCtrl *n, NvmeRequest *req) 6825e181d3daSGollu Appalanaidu { 6826e181d3daSGollu Appalanaidu return NVME_INVALID_FIELD | NVME_DNR; 6827e181d3daSGollu Appalanaidu } 6828e181d3daSGollu Appalanaidu 6829e181d3daSGollu Appalanaidu static uint16_t nvme_directive_receive(NvmeCtrl *n, NvmeRequest *req) 6830e181d3daSGollu Appalanaidu { 683173064edfSJesper Devantier NvmeNamespace *ns; 6832e181d3daSGollu Appalanaidu uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 6833e181d3daSGollu Appalanaidu uint32_t dw11 = le32_to_cpu(req->cmd.cdw11); 6834e181d3daSGollu Appalanaidu uint32_t nsid = le32_to_cpu(req->cmd.nsid); 6835e181d3daSGollu Appalanaidu uint8_t doper, dtype; 6836e181d3daSGollu Appalanaidu uint32_t numd, trans_len; 6837e181d3daSGollu Appalanaidu NvmeDirectiveIdentify id = { 6838e181d3daSGollu Appalanaidu .supported = 1 << NVME_DIRECTIVE_IDENTIFY, 6839e181d3daSGollu Appalanaidu .enabled = 1 << NVME_DIRECTIVE_IDENTIFY, 6840e181d3daSGollu Appalanaidu }; 6841e181d3daSGollu Appalanaidu 6842e181d3daSGollu Appalanaidu numd = dw10 + 1; 6843e181d3daSGollu Appalanaidu doper = dw11 & 0xff; 6844e181d3daSGollu Appalanaidu dtype = (dw11 >> 8) & 0xff; 6845e181d3daSGollu Appalanaidu 6846e181d3daSGollu Appalanaidu trans_len = MIN(sizeof(NvmeDirectiveIdentify), numd << 2); 6847e181d3daSGollu Appalanaidu 6848e181d3daSGollu Appalanaidu if (nsid == NVME_NSID_BROADCAST || dtype != NVME_DIRECTIVE_IDENTIFY || 6849e181d3daSGollu Appalanaidu doper != NVME_DIRECTIVE_RETURN_PARAMS) { 6850e181d3daSGollu Appalanaidu return NVME_INVALID_FIELD | NVME_DNR; 6851e181d3daSGollu Appalanaidu } 6852e181d3daSGollu Appalanaidu 685373064edfSJesper Devantier ns = nvme_ns(n, nsid); 685473064edfSJesper Devantier if (!ns) { 685573064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 685673064edfSJesper Devantier } 685773064edfSJesper Devantier 685873064edfSJesper Devantier switch (dtype) { 685973064edfSJesper Devantier case NVME_DIRECTIVE_IDENTIFY: 686073064edfSJesper Devantier switch (doper) { 686173064edfSJesper Devantier case NVME_DIRECTIVE_RETURN_PARAMS: 686273064edfSJesper Devantier if (ns->endgrp->fdp.enabled) { 686373064edfSJesper Devantier id.supported |= 1 << NVME_DIRECTIVE_DATA_PLACEMENT; 686473064edfSJesper Devantier id.enabled |= 1 << NVME_DIRECTIVE_DATA_PLACEMENT; 686573064edfSJesper Devantier id.persistent |= 1 << NVME_DIRECTIVE_DATA_PLACEMENT; 686673064edfSJesper Devantier } 686773064edfSJesper Devantier 6868e181d3daSGollu Appalanaidu return nvme_c2h(n, (uint8_t *)&id, trans_len, req); 686973064edfSJesper Devantier 687073064edfSJesper Devantier default: 687173064edfSJesper Devantier return NVME_INVALID_FIELD | NVME_DNR; 687273064edfSJesper Devantier } 687373064edfSJesper Devantier 687473064edfSJesper Devantier default: 687573064edfSJesper Devantier return NVME_INVALID_FIELD; 687673064edfSJesper Devantier } 6877e181d3daSGollu Appalanaidu } 6878e181d3daSGollu Appalanaidu 687988eea45cSKlaus Jensen static uint16_t nvme_admin_cmd(NvmeCtrl *n, NvmeRequest *req) 688088eea45cSKlaus Jensen { 688188eea45cSKlaus Jensen trace_pci_nvme_admin_cmd(nvme_cid(req), nvme_sqid(req), req->cmd.opcode, 688288eea45cSKlaus Jensen nvme_adm_opc_str(req->cmd.opcode)); 688388eea45cSKlaus Jensen 688488eea45cSKlaus Jensen if (!(nvme_cse_acs[req->cmd.opcode] & NVME_CMD_EFF_CSUPP)) { 688588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_admin_opc(req->cmd.opcode); 688688eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 688788eea45cSKlaus Jensen } 688888eea45cSKlaus Jensen 688988eea45cSKlaus Jensen /* SGLs shall not be used for Admin commands in NVMe over PCIe */ 689088eea45cSKlaus Jensen if (NVME_CMD_FLAGS_PSDT(req->cmd.flags) != NVME_PSDT_PRP) { 689188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 689288eea45cSKlaus Jensen } 689388eea45cSKlaus Jensen 6894c53a9a91SPankaj Raghav if (NVME_CMD_FLAGS_FUSE(req->cmd.flags)) { 6895c53a9a91SPankaj Raghav return NVME_INVALID_FIELD; 6896c53a9a91SPankaj Raghav } 6897c53a9a91SPankaj Raghav 689888eea45cSKlaus Jensen switch (req->cmd.opcode) { 689988eea45cSKlaus Jensen case NVME_ADM_CMD_DELETE_SQ: 690088eea45cSKlaus Jensen return nvme_del_sq(n, req); 690188eea45cSKlaus Jensen case NVME_ADM_CMD_CREATE_SQ: 690288eea45cSKlaus Jensen return nvme_create_sq(n, req); 690388eea45cSKlaus Jensen case NVME_ADM_CMD_GET_LOG_PAGE: 690488eea45cSKlaus Jensen return nvme_get_log(n, req); 690588eea45cSKlaus Jensen case NVME_ADM_CMD_DELETE_CQ: 690688eea45cSKlaus Jensen return nvme_del_cq(n, req); 690788eea45cSKlaus Jensen case NVME_ADM_CMD_CREATE_CQ: 690888eea45cSKlaus Jensen return nvme_create_cq(n, req); 690988eea45cSKlaus Jensen case NVME_ADM_CMD_IDENTIFY: 691088eea45cSKlaus Jensen return nvme_identify(n, req); 691188eea45cSKlaus Jensen case NVME_ADM_CMD_ABORT: 691288eea45cSKlaus Jensen return nvme_abort(n, req); 691388eea45cSKlaus Jensen case NVME_ADM_CMD_SET_FEATURES: 691488eea45cSKlaus Jensen return nvme_set_feature(n, req); 691588eea45cSKlaus Jensen case NVME_ADM_CMD_GET_FEATURES: 691688eea45cSKlaus Jensen return nvme_get_feature(n, req); 691788eea45cSKlaus Jensen case NVME_ADM_CMD_ASYNC_EV_REQ: 691888eea45cSKlaus Jensen return nvme_aer(n, req); 691988eea45cSKlaus Jensen case NVME_ADM_CMD_NS_ATTACHMENT: 692088eea45cSKlaus Jensen return nvme_ns_attachment(n, req); 692111871f53SŁukasz Gieryk case NVME_ADM_CMD_VIRT_MNGMT: 692211871f53SŁukasz Gieryk return nvme_virt_mngmt(n, req); 69233f7fe8deSJinhao Fan case NVME_ADM_CMD_DBBUF_CONFIG: 69243f7fe8deSJinhao Fan return nvme_dbbuf_config(n, req); 692588eea45cSKlaus Jensen case NVME_ADM_CMD_FORMAT_NVM: 692688eea45cSKlaus Jensen return nvme_format(n, req); 6927e181d3daSGollu Appalanaidu case NVME_ADM_CMD_DIRECTIVE_SEND: 6928e181d3daSGollu Appalanaidu return nvme_directive_send(n, req); 6929e181d3daSGollu Appalanaidu case NVME_ADM_CMD_DIRECTIVE_RECV: 6930e181d3daSGollu Appalanaidu return nvme_directive_receive(n, req); 693188eea45cSKlaus Jensen default: 693288eea45cSKlaus Jensen assert(false); 693388eea45cSKlaus Jensen } 693488eea45cSKlaus Jensen 693588eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 693688eea45cSKlaus Jensen } 693788eea45cSKlaus Jensen 69383f7fe8deSJinhao Fan static void nvme_update_sq_eventidx(const NvmeSQueue *sq) 69393f7fe8deSJinhao Fan { 69402fda0726SKlaus Jensen uint32_t v = cpu_to_le32(sq->tail); 69412fda0726SKlaus Jensen 694247cd3539SKlaus Jensen trace_pci_nvme_update_sq_eventidx(sq->sqid, sq->tail); 694347cd3539SKlaus Jensen 69442fda0726SKlaus Jensen pci_dma_write(PCI_DEVICE(sq->ctrl), sq->ei_addr, &v, sizeof(v)); 69453f7fe8deSJinhao Fan } 69463f7fe8deSJinhao Fan 69473f7fe8deSJinhao Fan static void nvme_update_sq_tail(NvmeSQueue *sq) 69483f7fe8deSJinhao Fan { 69492fda0726SKlaus Jensen uint32_t v; 69502fda0726SKlaus Jensen 69512fda0726SKlaus Jensen pci_dma_read(PCI_DEVICE(sq->ctrl), sq->db_addr, &v, sizeof(v)); 69522fda0726SKlaus Jensen 69532fda0726SKlaus Jensen sq->tail = le32_to_cpu(v); 695447cd3539SKlaus Jensen 695547cd3539SKlaus Jensen trace_pci_nvme_update_sq_tail(sq->sqid, sq->tail); 69563f7fe8deSJinhao Fan } 69573f7fe8deSJinhao Fan 695888eea45cSKlaus Jensen static void nvme_process_sq(void *opaque) 695988eea45cSKlaus Jensen { 696088eea45cSKlaus Jensen NvmeSQueue *sq = opaque; 696188eea45cSKlaus Jensen NvmeCtrl *n = sq->ctrl; 696288eea45cSKlaus Jensen NvmeCQueue *cq = n->cq[sq->cqid]; 696388eea45cSKlaus Jensen 696488eea45cSKlaus Jensen uint16_t status; 696588eea45cSKlaus Jensen hwaddr addr; 696688eea45cSKlaus Jensen NvmeCmd cmd; 696788eea45cSKlaus Jensen NvmeRequest *req; 696888eea45cSKlaus Jensen 69693f7fe8deSJinhao Fan if (n->dbbuf_enabled) { 69703f7fe8deSJinhao Fan nvme_update_sq_tail(sq); 69713f7fe8deSJinhao Fan } 69723f7fe8deSJinhao Fan 697388eea45cSKlaus Jensen while (!(nvme_sq_empty(sq) || QTAILQ_EMPTY(&sq->req_list))) { 697488eea45cSKlaus Jensen addr = sq->dma_addr + sq->head * n->sqe_size; 697588eea45cSKlaus Jensen if (nvme_addr_read(n, addr, (void *)&cmd, sizeof(cmd))) { 697688eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 697788eea45cSKlaus Jensen trace_pci_nvme_err_cfs(); 697849e03457SKlaus Jensen stl_le_p(&n->bar.csts, NVME_CSTS_FAILED); 697988eea45cSKlaus Jensen break; 698088eea45cSKlaus Jensen } 698188eea45cSKlaus Jensen nvme_inc_sq_head(sq); 698288eea45cSKlaus Jensen 698388eea45cSKlaus Jensen req = QTAILQ_FIRST(&sq->req_list); 698488eea45cSKlaus Jensen QTAILQ_REMOVE(&sq->req_list, req, entry); 698588eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->out_req_list, req, entry); 698688eea45cSKlaus Jensen nvme_req_clear(req); 698788eea45cSKlaus Jensen req->cqe.cid = cmd.cid; 698888eea45cSKlaus Jensen memcpy(&req->cmd, &cmd, sizeof(NvmeCmd)); 698988eea45cSKlaus Jensen 699088eea45cSKlaus Jensen status = sq->sqid ? nvme_io_cmd(n, req) : 699188eea45cSKlaus Jensen nvme_admin_cmd(n, req); 699288eea45cSKlaus Jensen if (status != NVME_NO_COMPLETE) { 699388eea45cSKlaus Jensen req->status = status; 699488eea45cSKlaus Jensen nvme_enqueue_req_completion(cq, req); 699588eea45cSKlaus Jensen } 69963f7fe8deSJinhao Fan 69973f7fe8deSJinhao Fan if (n->dbbuf_enabled) { 69983f7fe8deSJinhao Fan nvme_update_sq_eventidx(sq); 69993f7fe8deSJinhao Fan nvme_update_sq_tail(sq); 70003f7fe8deSJinhao Fan } 700188eea45cSKlaus Jensen } 700288eea45cSKlaus Jensen } 700388eea45cSKlaus Jensen 7004decc0261SŁukasz Gieryk static void nvme_update_msixcap_ts(PCIDevice *pci_dev, uint32_t table_size) 7005decc0261SŁukasz Gieryk { 7006decc0261SŁukasz Gieryk uint8_t *config; 7007decc0261SŁukasz Gieryk 7008decc0261SŁukasz Gieryk if (!msix_present(pci_dev)) { 7009decc0261SŁukasz Gieryk return; 7010decc0261SŁukasz Gieryk } 7011decc0261SŁukasz Gieryk 7012decc0261SŁukasz Gieryk assert(table_size > 0 && table_size <= pci_dev->msix_entries_nr); 7013decc0261SŁukasz Gieryk 7014decc0261SŁukasz Gieryk config = pci_dev->config + pci_dev->msix_cap; 7015decc0261SŁukasz Gieryk pci_set_word_by_mask(config + PCI_MSIX_FLAGS, PCI_MSIX_FLAGS_QSIZE, 7016decc0261SŁukasz Gieryk table_size - 1); 7017decc0261SŁukasz Gieryk } 7018decc0261SŁukasz Gieryk 701911871f53SŁukasz Gieryk static void nvme_activate_virt_res(NvmeCtrl *n) 702011871f53SŁukasz Gieryk { 702148b32c28SKlaus Jensen PCIDevice *pci_dev = PCI_DEVICE(n); 702211871f53SŁukasz Gieryk NvmePriCtrlCap *cap = &n->pri_ctrl_cap; 702311871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl; 702411871f53SŁukasz Gieryk 702511871f53SŁukasz Gieryk /* -1 to account for the admin queue */ 702611871f53SŁukasz Gieryk if (pci_is_vf(pci_dev)) { 702711871f53SŁukasz Gieryk sctrl = nvme_sctrl(n); 702811871f53SŁukasz Gieryk cap->vqprt = sctrl->nvq; 702911871f53SŁukasz Gieryk cap->viprt = sctrl->nvi; 703011871f53SŁukasz Gieryk n->conf_ioqpairs = sctrl->nvq ? le16_to_cpu(sctrl->nvq) - 1 : 0; 703111871f53SŁukasz Gieryk n->conf_msix_qsize = sctrl->nvi ? le16_to_cpu(sctrl->nvi) : 1; 703211871f53SŁukasz Gieryk } else { 703311871f53SŁukasz Gieryk cap->vqrfap = n->next_pri_ctrl_cap.vqrfap; 703411871f53SŁukasz Gieryk cap->virfap = n->next_pri_ctrl_cap.virfap; 703511871f53SŁukasz Gieryk n->conf_ioqpairs = le16_to_cpu(cap->vqprt) + 703611871f53SŁukasz Gieryk le16_to_cpu(cap->vqrfap) - 1; 703711871f53SŁukasz Gieryk n->conf_msix_qsize = le16_to_cpu(cap->viprt) + 703811871f53SŁukasz Gieryk le16_to_cpu(cap->virfap); 703911871f53SŁukasz Gieryk } 704011871f53SŁukasz Gieryk } 704111871f53SŁukasz Gieryk 70421e9c685eSŁukasz Gieryk static void nvme_ctrl_reset(NvmeCtrl *n, NvmeResetType rst) 704388eea45cSKlaus Jensen { 704448b32c28SKlaus Jensen PCIDevice *pci_dev = PCI_DEVICE(n); 704511871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl; 704688eea45cSKlaus Jensen NvmeNamespace *ns; 704788eea45cSKlaus Jensen int i; 704888eea45cSKlaus Jensen 704988eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 705088eea45cSKlaus Jensen ns = nvme_ns(n, i); 705188eea45cSKlaus Jensen if (!ns) { 705288eea45cSKlaus Jensen continue; 705388eea45cSKlaus Jensen } 705488eea45cSKlaus Jensen 705588eea45cSKlaus Jensen nvme_ns_drain(ns); 705688eea45cSKlaus Jensen } 705788eea45cSKlaus Jensen 705888eea45cSKlaus Jensen for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 705988eea45cSKlaus Jensen if (n->sq[i] != NULL) { 706088eea45cSKlaus Jensen nvme_free_sq(n->sq[i], n); 706188eea45cSKlaus Jensen } 706288eea45cSKlaus Jensen } 706388eea45cSKlaus Jensen for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 706488eea45cSKlaus Jensen if (n->cq[i] != NULL) { 706588eea45cSKlaus Jensen nvme_free_cq(n->cq[i], n); 706688eea45cSKlaus Jensen } 706788eea45cSKlaus Jensen } 706888eea45cSKlaus Jensen 706988eea45cSKlaus Jensen while (!QTAILQ_EMPTY(&n->aer_queue)) { 707088eea45cSKlaus Jensen NvmeAsyncEvent *event = QTAILQ_FIRST(&n->aer_queue); 707188eea45cSKlaus Jensen QTAILQ_REMOVE(&n->aer_queue, event, entry); 707288eea45cSKlaus Jensen g_free(event); 707388eea45cSKlaus Jensen } 707488eea45cSKlaus Jensen 707511871f53SŁukasz Gieryk if (n->params.sriov_max_vfs) { 707611871f53SŁukasz Gieryk if (!pci_is_vf(pci_dev)) { 707711871f53SŁukasz Gieryk for (i = 0; i < n->sec_ctrl_list.numcntl; i++) { 707811871f53SŁukasz Gieryk sctrl = &n->sec_ctrl_list.sec[i]; 707911871f53SŁukasz Gieryk nvme_virt_set_state(n, le16_to_cpu(sctrl->scid), false); 708011871f53SŁukasz Gieryk } 708111871f53SŁukasz Gieryk 70821e9c685eSŁukasz Gieryk if (rst != NVME_RESET_CONTROLLER) { 7083decc0261SŁukasz Gieryk pcie_sriov_pf_disable_vfs(pci_dev); 708444c2c094SLukasz Maniak } 70851e9c685eSŁukasz Gieryk } 708644c2c094SLukasz Maniak 708711871f53SŁukasz Gieryk if (rst != NVME_RESET_CONTROLLER) { 708811871f53SŁukasz Gieryk nvme_activate_virt_res(n); 708911871f53SŁukasz Gieryk } 709011871f53SŁukasz Gieryk } 709111871f53SŁukasz Gieryk 709288eea45cSKlaus Jensen n->aer_queued = 0; 709398836e8eSKlaus Jensen n->aer_mask = 0; 709488eea45cSKlaus Jensen n->outstanding_aers = 0; 709588eea45cSKlaus Jensen n->qs_created = false; 7096decc0261SŁukasz Gieryk 7097decc0261SŁukasz Gieryk nvme_update_msixcap_ts(pci_dev, n->conf_msix_qsize); 709811871f53SŁukasz Gieryk 709911871f53SŁukasz Gieryk if (pci_is_vf(pci_dev)) { 710011871f53SŁukasz Gieryk sctrl = nvme_sctrl(n); 7101cc9bcee2SKlaus Jensen 710211871f53SŁukasz Gieryk stl_le_p(&n->bar.csts, sctrl->scs ? 0 : NVME_CSTS_FAILED); 710311871f53SŁukasz Gieryk } else { 710411871f53SŁukasz Gieryk stl_le_p(&n->bar.csts, 0); 710511871f53SŁukasz Gieryk } 7106cc9bcee2SKlaus Jensen 7107cc9bcee2SKlaus Jensen stl_le_p(&n->bar.intms, 0); 7108cc9bcee2SKlaus Jensen stl_le_p(&n->bar.intmc, 0); 7109cc9bcee2SKlaus Jensen stl_le_p(&n->bar.cc, 0); 71103f7fe8deSJinhao Fan 71113f7fe8deSJinhao Fan n->dbbuf_dbs = 0; 71123f7fe8deSJinhao Fan n->dbbuf_eis = 0; 71133f7fe8deSJinhao Fan n->dbbuf_enabled = false; 711488eea45cSKlaus Jensen } 711588eea45cSKlaus Jensen 711688eea45cSKlaus Jensen static void nvme_ctrl_shutdown(NvmeCtrl *n) 711788eea45cSKlaus Jensen { 711888eea45cSKlaus Jensen NvmeNamespace *ns; 711988eea45cSKlaus Jensen int i; 712088eea45cSKlaus Jensen 712188eea45cSKlaus Jensen if (n->pmr.dev) { 712288eea45cSKlaus Jensen memory_region_msync(&n->pmr.dev->mr, 0, n->pmr.dev->size); 712388eea45cSKlaus Jensen } 712488eea45cSKlaus Jensen 712588eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 712688eea45cSKlaus Jensen ns = nvme_ns(n, i); 712788eea45cSKlaus Jensen if (!ns) { 712888eea45cSKlaus Jensen continue; 712988eea45cSKlaus Jensen } 713088eea45cSKlaus Jensen 713188eea45cSKlaus Jensen nvme_ns_shutdown(ns); 713288eea45cSKlaus Jensen } 713388eea45cSKlaus Jensen } 713488eea45cSKlaus Jensen 713588eea45cSKlaus Jensen static void nvme_select_iocs(NvmeCtrl *n) 713688eea45cSKlaus Jensen { 713788eea45cSKlaus Jensen NvmeNamespace *ns; 713888eea45cSKlaus Jensen int i; 713988eea45cSKlaus Jensen 714088eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 714188eea45cSKlaus Jensen ns = nvme_ns(n, i); 714288eea45cSKlaus Jensen if (!ns) { 714388eea45cSKlaus Jensen continue; 714488eea45cSKlaus Jensen } 714588eea45cSKlaus Jensen 714688eea45cSKlaus Jensen nvme_select_iocs_ns(n, ns); 714788eea45cSKlaus Jensen } 714888eea45cSKlaus Jensen } 714988eea45cSKlaus Jensen 715088eea45cSKlaus Jensen static int nvme_start_ctrl(NvmeCtrl *n) 715188eea45cSKlaus Jensen { 715249e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 715349e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 715449e03457SKlaus Jensen uint32_t aqa = ldl_le_p(&n->bar.aqa); 715549e03457SKlaus Jensen uint64_t asq = ldq_le_p(&n->bar.asq); 715649e03457SKlaus Jensen uint64_t acq = ldq_le_p(&n->bar.acq); 715749e03457SKlaus Jensen uint32_t page_bits = NVME_CC_MPS(cc) + 12; 715888eea45cSKlaus Jensen uint32_t page_size = 1 << page_bits; 715911871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl = nvme_sctrl(n); 716088eea45cSKlaus Jensen 716148b32c28SKlaus Jensen if (pci_is_vf(PCI_DEVICE(n)) && !sctrl->scs) { 716211871f53SŁukasz Gieryk trace_pci_nvme_err_startfail_virt_state(le16_to_cpu(sctrl->nvi), 71633488fc32SPaolo Bonzini le16_to_cpu(sctrl->nvq)); 716411871f53SŁukasz Gieryk return -1; 716511871f53SŁukasz Gieryk } 716688eea45cSKlaus Jensen if (unlikely(n->cq[0])) { 716788eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cq(); 716888eea45cSKlaus Jensen return -1; 716988eea45cSKlaus Jensen } 717088eea45cSKlaus Jensen if (unlikely(n->sq[0])) { 717188eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sq(); 717288eea45cSKlaus Jensen return -1; 717388eea45cSKlaus Jensen } 717449e03457SKlaus Jensen if (unlikely(asq & (page_size - 1))) { 717549e03457SKlaus Jensen trace_pci_nvme_err_startfail_asq_misaligned(asq); 717688eea45cSKlaus Jensen return -1; 717788eea45cSKlaus Jensen } 717849e03457SKlaus Jensen if (unlikely(acq & (page_size - 1))) { 717949e03457SKlaus Jensen trace_pci_nvme_err_startfail_acq_misaligned(acq); 718088eea45cSKlaus Jensen return -1; 718188eea45cSKlaus Jensen } 718249e03457SKlaus Jensen if (unlikely(!(NVME_CAP_CSS(cap) & (1 << NVME_CC_CSS(cc))))) { 718349e03457SKlaus Jensen trace_pci_nvme_err_startfail_css(NVME_CC_CSS(cc)); 718488eea45cSKlaus Jensen return -1; 718588eea45cSKlaus Jensen } 718649e03457SKlaus Jensen if (unlikely(NVME_CC_MPS(cc) < NVME_CAP_MPSMIN(cap))) { 718788eea45cSKlaus Jensen trace_pci_nvme_err_startfail_page_too_small( 718849e03457SKlaus Jensen NVME_CC_MPS(cc), 718949e03457SKlaus Jensen NVME_CAP_MPSMIN(cap)); 719088eea45cSKlaus Jensen return -1; 719188eea45cSKlaus Jensen } 719249e03457SKlaus Jensen if (unlikely(NVME_CC_MPS(cc) > 719349e03457SKlaus Jensen NVME_CAP_MPSMAX(cap))) { 719488eea45cSKlaus Jensen trace_pci_nvme_err_startfail_page_too_large( 719549e03457SKlaus Jensen NVME_CC_MPS(cc), 719649e03457SKlaus Jensen NVME_CAP_MPSMAX(cap)); 719788eea45cSKlaus Jensen return -1; 719888eea45cSKlaus Jensen } 719949e03457SKlaus Jensen if (unlikely(NVME_CC_IOCQES(cc) < 720088eea45cSKlaus Jensen NVME_CTRL_CQES_MIN(n->id_ctrl.cqes))) { 720188eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cqent_too_small( 720249e03457SKlaus Jensen NVME_CC_IOCQES(cc), 720349e03457SKlaus Jensen NVME_CTRL_CQES_MIN(cap)); 720488eea45cSKlaus Jensen return -1; 720588eea45cSKlaus Jensen } 720649e03457SKlaus Jensen if (unlikely(NVME_CC_IOCQES(cc) > 720788eea45cSKlaus Jensen NVME_CTRL_CQES_MAX(n->id_ctrl.cqes))) { 720888eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cqent_too_large( 720949e03457SKlaus Jensen NVME_CC_IOCQES(cc), 721049e03457SKlaus Jensen NVME_CTRL_CQES_MAX(cap)); 721188eea45cSKlaus Jensen return -1; 721288eea45cSKlaus Jensen } 721349e03457SKlaus Jensen if (unlikely(NVME_CC_IOSQES(cc) < 721488eea45cSKlaus Jensen NVME_CTRL_SQES_MIN(n->id_ctrl.sqes))) { 721588eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sqent_too_small( 721649e03457SKlaus Jensen NVME_CC_IOSQES(cc), 721749e03457SKlaus Jensen NVME_CTRL_SQES_MIN(cap)); 721888eea45cSKlaus Jensen return -1; 721988eea45cSKlaus Jensen } 722049e03457SKlaus Jensen if (unlikely(NVME_CC_IOSQES(cc) > 722188eea45cSKlaus Jensen NVME_CTRL_SQES_MAX(n->id_ctrl.sqes))) { 722288eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sqent_too_large( 722349e03457SKlaus Jensen NVME_CC_IOSQES(cc), 722449e03457SKlaus Jensen NVME_CTRL_SQES_MAX(cap)); 722588eea45cSKlaus Jensen return -1; 722688eea45cSKlaus Jensen } 722749e03457SKlaus Jensen if (unlikely(!NVME_AQA_ASQS(aqa))) { 722888eea45cSKlaus Jensen trace_pci_nvme_err_startfail_asqent_sz_zero(); 722988eea45cSKlaus Jensen return -1; 723088eea45cSKlaus Jensen } 723149e03457SKlaus Jensen if (unlikely(!NVME_AQA_ACQS(aqa))) { 723288eea45cSKlaus Jensen trace_pci_nvme_err_startfail_acqent_sz_zero(); 723388eea45cSKlaus Jensen return -1; 723488eea45cSKlaus Jensen } 723588eea45cSKlaus Jensen 723688eea45cSKlaus Jensen n->page_bits = page_bits; 723788eea45cSKlaus Jensen n->page_size = page_size; 723888eea45cSKlaus Jensen n->max_prp_ents = n->page_size / sizeof(uint64_t); 723949e03457SKlaus Jensen n->cqe_size = 1 << NVME_CC_IOCQES(cc); 724049e03457SKlaus Jensen n->sqe_size = 1 << NVME_CC_IOSQES(cc); 724149e03457SKlaus Jensen nvme_init_cq(&n->admin_cq, n, acq, 0, 0, NVME_AQA_ACQS(aqa) + 1, 1); 724249e03457SKlaus Jensen nvme_init_sq(&n->admin_sq, n, asq, 0, 0, NVME_AQA_ASQS(aqa) + 1); 724388eea45cSKlaus Jensen 724488eea45cSKlaus Jensen nvme_set_timestamp(n, 0ULL); 724588eea45cSKlaus Jensen 724688eea45cSKlaus Jensen nvme_select_iocs(n); 724788eea45cSKlaus Jensen 724888eea45cSKlaus Jensen return 0; 724988eea45cSKlaus Jensen } 725088eea45cSKlaus Jensen 725188eea45cSKlaus Jensen static void nvme_cmb_enable_regs(NvmeCtrl *n) 725288eea45cSKlaus Jensen { 725349e03457SKlaus Jensen uint32_t cmbloc = ldl_le_p(&n->bar.cmbloc); 725449e03457SKlaus Jensen uint32_t cmbsz = ldl_le_p(&n->bar.cmbsz); 725588eea45cSKlaus Jensen 725649e03457SKlaus Jensen NVME_CMBLOC_SET_CDPCILS(cmbloc, 1); 725749e03457SKlaus Jensen NVME_CMBLOC_SET_CDPMLS(cmbloc, 1); 725849e03457SKlaus Jensen NVME_CMBLOC_SET_BIR(cmbloc, NVME_CMB_BIR); 725949e03457SKlaus Jensen stl_le_p(&n->bar.cmbloc, cmbloc); 726049e03457SKlaus Jensen 726149e03457SKlaus Jensen NVME_CMBSZ_SET_SQS(cmbsz, 1); 726249e03457SKlaus Jensen NVME_CMBSZ_SET_CQS(cmbsz, 0); 726349e03457SKlaus Jensen NVME_CMBSZ_SET_LISTS(cmbsz, 1); 726449e03457SKlaus Jensen NVME_CMBSZ_SET_RDS(cmbsz, 1); 726549e03457SKlaus Jensen NVME_CMBSZ_SET_WDS(cmbsz, 1); 726649e03457SKlaus Jensen NVME_CMBSZ_SET_SZU(cmbsz, 2); /* MBs */ 726749e03457SKlaus Jensen NVME_CMBSZ_SET_SZ(cmbsz, n->params.cmb_size_mb); 726849e03457SKlaus Jensen stl_le_p(&n->bar.cmbsz, cmbsz); 726988eea45cSKlaus Jensen } 727088eea45cSKlaus Jensen 727188eea45cSKlaus Jensen static void nvme_write_bar(NvmeCtrl *n, hwaddr offset, uint64_t data, 727288eea45cSKlaus Jensen unsigned size) 727388eea45cSKlaus Jensen { 727448b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 727549e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 727649e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 727749e03457SKlaus Jensen uint32_t intms = ldl_le_p(&n->bar.intms); 727849e03457SKlaus Jensen uint32_t csts = ldl_le_p(&n->bar.csts); 727949e03457SKlaus Jensen uint32_t pmrsts = ldl_le_p(&n->bar.pmrsts); 728049e03457SKlaus Jensen 728188eea45cSKlaus Jensen if (unlikely(offset & (sizeof(uint32_t) - 1))) { 728288eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_misaligned32, 728388eea45cSKlaus Jensen "MMIO write not 32-bit aligned," 728488eea45cSKlaus Jensen " offset=0x%"PRIx64"", offset); 728588eea45cSKlaus Jensen /* should be ignored, fall through for now */ 728688eea45cSKlaus Jensen } 728788eea45cSKlaus Jensen 728888eea45cSKlaus Jensen if (unlikely(size < sizeof(uint32_t))) { 728988eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_toosmall, 729088eea45cSKlaus Jensen "MMIO write smaller than 32-bits," 729188eea45cSKlaus Jensen " offset=0x%"PRIx64", size=%u", 729288eea45cSKlaus Jensen offset, size); 729388eea45cSKlaus Jensen /* should be ignored, fall through for now */ 729488eea45cSKlaus Jensen } 729588eea45cSKlaus Jensen 729688eea45cSKlaus Jensen switch (offset) { 7297a316aa50SKlaus Jensen case NVME_REG_INTMS: 729848b32c28SKlaus Jensen if (unlikely(msix_enabled(pci))) { 729988eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_intmask_with_msix, 730088eea45cSKlaus Jensen "undefined access to interrupt mask set" 730188eea45cSKlaus Jensen " when MSI-X is enabled"); 730288eea45cSKlaus Jensen /* should be ignored, fall through for now */ 730388eea45cSKlaus Jensen } 730449e03457SKlaus Jensen intms |= data; 730549e03457SKlaus Jensen stl_le_p(&n->bar.intms, intms); 730688eea45cSKlaus Jensen n->bar.intmc = n->bar.intms; 730749e03457SKlaus Jensen trace_pci_nvme_mmio_intm_set(data & 0xffffffff, intms); 730888eea45cSKlaus Jensen nvme_irq_check(n); 730988eea45cSKlaus Jensen break; 7310a316aa50SKlaus Jensen case NVME_REG_INTMC: 731148b32c28SKlaus Jensen if (unlikely(msix_enabled(pci))) { 731288eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_intmask_with_msix, 731388eea45cSKlaus Jensen "undefined access to interrupt mask clr" 731488eea45cSKlaus Jensen " when MSI-X is enabled"); 731588eea45cSKlaus Jensen /* should be ignored, fall through for now */ 731688eea45cSKlaus Jensen } 731749e03457SKlaus Jensen intms &= ~data; 731849e03457SKlaus Jensen stl_le_p(&n->bar.intms, intms); 731988eea45cSKlaus Jensen n->bar.intmc = n->bar.intms; 732049e03457SKlaus Jensen trace_pci_nvme_mmio_intm_clr(data & 0xffffffff, intms); 732188eea45cSKlaus Jensen nvme_irq_check(n); 732288eea45cSKlaus Jensen break; 7323a316aa50SKlaus Jensen case NVME_REG_CC: 7324cc9bcee2SKlaus Jensen stl_le_p(&n->bar.cc, data); 7325cc9bcee2SKlaus Jensen 732688eea45cSKlaus Jensen trace_pci_nvme_mmio_cfg(data & 0xffffffff); 732749e03457SKlaus Jensen 7328cc9bcee2SKlaus Jensen if (NVME_CC_SHN(data) && !(NVME_CC_SHN(cc))) { 7329cc9bcee2SKlaus Jensen trace_pci_nvme_mmio_shutdown_set(); 7330cc9bcee2SKlaus Jensen nvme_ctrl_shutdown(n); 7331cc9bcee2SKlaus Jensen csts &= ~(CSTS_SHST_MASK << CSTS_SHST_SHIFT); 7332cc9bcee2SKlaus Jensen csts |= NVME_CSTS_SHST_COMPLETE; 7333cc9bcee2SKlaus Jensen } else if (!NVME_CC_SHN(data) && NVME_CC_SHN(cc)) { 7334cc9bcee2SKlaus Jensen trace_pci_nvme_mmio_shutdown_cleared(); 7335cc9bcee2SKlaus Jensen csts &= ~(CSTS_SHST_MASK << CSTS_SHST_SHIFT); 733688eea45cSKlaus Jensen } 733788eea45cSKlaus Jensen 733849e03457SKlaus Jensen if (NVME_CC_EN(data) && !NVME_CC_EN(cc)) { 733988eea45cSKlaus Jensen if (unlikely(nvme_start_ctrl(n))) { 734088eea45cSKlaus Jensen trace_pci_nvme_err_startfail(); 734149e03457SKlaus Jensen csts = NVME_CSTS_FAILED; 734288eea45cSKlaus Jensen } else { 734388eea45cSKlaus Jensen trace_pci_nvme_mmio_start_success(); 734449e03457SKlaus Jensen csts = NVME_CSTS_READY; 734588eea45cSKlaus Jensen } 734649e03457SKlaus Jensen } else if (!NVME_CC_EN(data) && NVME_CC_EN(cc)) { 734788eea45cSKlaus Jensen trace_pci_nvme_mmio_stopped(); 73481e9c685eSŁukasz Gieryk nvme_ctrl_reset(n, NVME_RESET_CONTROLLER); 7349cc9bcee2SKlaus Jensen 7350cc9bcee2SKlaus Jensen break; 735188eea45cSKlaus Jensen } 735249e03457SKlaus Jensen 735349e03457SKlaus Jensen stl_le_p(&n->bar.csts, csts); 735449e03457SKlaus Jensen 735588eea45cSKlaus Jensen break; 7356a316aa50SKlaus Jensen case NVME_REG_CSTS: 735788eea45cSKlaus Jensen if (data & (1 << 4)) { 735888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_ssreset_w1c_unsupported, 735988eea45cSKlaus Jensen "attempted to W1C CSTS.NSSRO" 736088eea45cSKlaus Jensen " but CAP.NSSRS is zero (not supported)"); 736188eea45cSKlaus Jensen } else if (data != 0) { 736288eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_ro_csts, 736388eea45cSKlaus Jensen "attempted to set a read only bit" 736488eea45cSKlaus Jensen " of controller status"); 736588eea45cSKlaus Jensen } 736688eea45cSKlaus Jensen break; 7367a316aa50SKlaus Jensen case NVME_REG_NSSR: 736888eea45cSKlaus Jensen if (data == 0x4e564d65) { 736988eea45cSKlaus Jensen trace_pci_nvme_ub_mmiowr_ssreset_unsupported(); 737088eea45cSKlaus Jensen } else { 737188eea45cSKlaus Jensen /* The spec says that writes of other values have no effect */ 737288eea45cSKlaus Jensen return; 737388eea45cSKlaus Jensen } 737488eea45cSKlaus Jensen break; 7375a316aa50SKlaus Jensen case NVME_REG_AQA: 737649e03457SKlaus Jensen stl_le_p(&n->bar.aqa, data); 737788eea45cSKlaus Jensen trace_pci_nvme_mmio_aqattr(data & 0xffffffff); 737888eea45cSKlaus Jensen break; 7379a316aa50SKlaus Jensen case NVME_REG_ASQ: 738049e03457SKlaus Jensen stn_le_p(&n->bar.asq, size, data); 738188eea45cSKlaus Jensen trace_pci_nvme_mmio_asqaddr(data); 738288eea45cSKlaus Jensen break; 7383a316aa50SKlaus Jensen case NVME_REG_ASQ + 4: 738449e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.asq + 4, data); 738549e03457SKlaus Jensen trace_pci_nvme_mmio_asqaddr_hi(data, ldq_le_p(&n->bar.asq)); 738688eea45cSKlaus Jensen break; 7387a316aa50SKlaus Jensen case NVME_REG_ACQ: 738888eea45cSKlaus Jensen trace_pci_nvme_mmio_acqaddr(data); 738949e03457SKlaus Jensen stn_le_p(&n->bar.acq, size, data); 739088eea45cSKlaus Jensen break; 7391a316aa50SKlaus Jensen case NVME_REG_ACQ + 4: 739249e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.acq + 4, data); 739349e03457SKlaus Jensen trace_pci_nvme_mmio_acqaddr_hi(data, ldq_le_p(&n->bar.acq)); 739488eea45cSKlaus Jensen break; 7395a316aa50SKlaus Jensen case NVME_REG_CMBLOC: 739688eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_cmbloc_reserved, 739788eea45cSKlaus Jensen "invalid write to reserved CMBLOC" 739888eea45cSKlaus Jensen " when CMBSZ is zero, ignored"); 739988eea45cSKlaus Jensen return; 7400a316aa50SKlaus Jensen case NVME_REG_CMBSZ: 740188eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_cmbsz_readonly, 740288eea45cSKlaus Jensen "invalid write to read only CMBSZ, ignored"); 740388eea45cSKlaus Jensen return; 7404a316aa50SKlaus Jensen case NVME_REG_CMBMSC: 740549e03457SKlaus Jensen if (!NVME_CAP_CMBS(cap)) { 740688eea45cSKlaus Jensen return; 740788eea45cSKlaus Jensen } 740888eea45cSKlaus Jensen 740949e03457SKlaus Jensen stn_le_p(&n->bar.cmbmsc, size, data); 741088eea45cSKlaus Jensen n->cmb.cmse = false; 741188eea45cSKlaus Jensen 741288eea45cSKlaus Jensen if (NVME_CMBMSC_CRE(data)) { 741388eea45cSKlaus Jensen nvme_cmb_enable_regs(n); 741488eea45cSKlaus Jensen 741588eea45cSKlaus Jensen if (NVME_CMBMSC_CMSE(data)) { 741649e03457SKlaus Jensen uint64_t cmbmsc = ldq_le_p(&n->bar.cmbmsc); 741749e03457SKlaus Jensen hwaddr cba = NVME_CMBMSC_CBA(cmbmsc) << CMBMSC_CBA_SHIFT; 741888eea45cSKlaus Jensen if (cba + int128_get64(n->cmb.mem.size) < cba) { 741949e03457SKlaus Jensen uint32_t cmbsts = ldl_le_p(&n->bar.cmbsts); 742049e03457SKlaus Jensen NVME_CMBSTS_SET_CBAI(cmbsts, 1); 742149e03457SKlaus Jensen stl_le_p(&n->bar.cmbsts, cmbsts); 742288eea45cSKlaus Jensen return; 742388eea45cSKlaus Jensen } 742488eea45cSKlaus Jensen 742588eea45cSKlaus Jensen n->cmb.cba = cba; 742688eea45cSKlaus Jensen n->cmb.cmse = true; 742788eea45cSKlaus Jensen } 742888eea45cSKlaus Jensen } else { 742988eea45cSKlaus Jensen n->bar.cmbsz = 0; 743088eea45cSKlaus Jensen n->bar.cmbloc = 0; 743188eea45cSKlaus Jensen } 743288eea45cSKlaus Jensen 743388eea45cSKlaus Jensen return; 7434a316aa50SKlaus Jensen case NVME_REG_CMBMSC + 4: 743549e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.cmbmsc + 4, data); 743688eea45cSKlaus Jensen return; 743788eea45cSKlaus Jensen 7438a316aa50SKlaus Jensen case NVME_REG_PMRCAP: 743988eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrcap_readonly, 744088eea45cSKlaus Jensen "invalid write to PMRCAP register, ignored"); 744188eea45cSKlaus Jensen return; 7442a316aa50SKlaus Jensen case NVME_REG_PMRCTL: 744349e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 74442b02aabcSKlaus Jensen return; 74452b02aabcSKlaus Jensen } 74462b02aabcSKlaus Jensen 744749e03457SKlaus Jensen stl_le_p(&n->bar.pmrctl, data); 744888eea45cSKlaus Jensen if (NVME_PMRCTL_EN(data)) { 744988eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, true); 745049e03457SKlaus Jensen pmrsts = 0; 745188eea45cSKlaus Jensen } else { 745288eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, false); 745349e03457SKlaus Jensen NVME_PMRSTS_SET_NRDY(pmrsts, 1); 745488eea45cSKlaus Jensen n->pmr.cmse = false; 745588eea45cSKlaus Jensen } 745649e03457SKlaus Jensen stl_le_p(&n->bar.pmrsts, pmrsts); 745788eea45cSKlaus Jensen return; 7458a316aa50SKlaus Jensen case NVME_REG_PMRSTS: 745988eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrsts_readonly, 746088eea45cSKlaus Jensen "invalid write to PMRSTS register, ignored"); 746188eea45cSKlaus Jensen return; 7462a316aa50SKlaus Jensen case NVME_REG_PMREBS: 746388eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrebs_readonly, 746488eea45cSKlaus Jensen "invalid write to PMREBS register, ignored"); 746588eea45cSKlaus Jensen return; 7466a316aa50SKlaus Jensen case NVME_REG_PMRSWTP: 746788eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrswtp_readonly, 746888eea45cSKlaus Jensen "invalid write to PMRSWTP register, ignored"); 746988eea45cSKlaus Jensen return; 7470a316aa50SKlaus Jensen case NVME_REG_PMRMSCL: 747149e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 747288eea45cSKlaus Jensen return; 747388eea45cSKlaus Jensen } 747488eea45cSKlaus Jensen 747549e03457SKlaus Jensen stl_le_p(&n->bar.pmrmscl, data); 747688eea45cSKlaus Jensen n->pmr.cmse = false; 747788eea45cSKlaus Jensen 747849e03457SKlaus Jensen if (NVME_PMRMSCL_CMSE(data)) { 747949e03457SKlaus Jensen uint64_t pmrmscu = ldl_le_p(&n->bar.pmrmscu); 748049e03457SKlaus Jensen hwaddr cba = pmrmscu << 32 | 748149e03457SKlaus Jensen (NVME_PMRMSCL_CBA(data) << PMRMSCL_CBA_SHIFT); 748288eea45cSKlaus Jensen if (cba + int128_get64(n->pmr.dev->mr.size) < cba) { 748349e03457SKlaus Jensen NVME_PMRSTS_SET_CBAI(pmrsts, 1); 748449e03457SKlaus Jensen stl_le_p(&n->bar.pmrsts, pmrsts); 748588eea45cSKlaus Jensen return; 748688eea45cSKlaus Jensen } 748788eea45cSKlaus Jensen 748888eea45cSKlaus Jensen n->pmr.cmse = true; 748988eea45cSKlaus Jensen n->pmr.cba = cba; 749088eea45cSKlaus Jensen } 749188eea45cSKlaus Jensen 749288eea45cSKlaus Jensen return; 7493a316aa50SKlaus Jensen case NVME_REG_PMRMSCU: 749449e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 749588eea45cSKlaus Jensen return; 749688eea45cSKlaus Jensen } 749788eea45cSKlaus Jensen 749849e03457SKlaus Jensen stl_le_p(&n->bar.pmrmscu, data); 749988eea45cSKlaus Jensen return; 750088eea45cSKlaus Jensen default: 750188eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_invalid, 750288eea45cSKlaus Jensen "invalid MMIO write," 750388eea45cSKlaus Jensen " offset=0x%"PRIx64", data=%"PRIx64"", 750488eea45cSKlaus Jensen offset, data); 750588eea45cSKlaus Jensen break; 750688eea45cSKlaus Jensen } 750788eea45cSKlaus Jensen } 750888eea45cSKlaus Jensen 750988eea45cSKlaus Jensen static uint64_t nvme_mmio_read(void *opaque, hwaddr addr, unsigned size) 751088eea45cSKlaus Jensen { 751188eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 751288eea45cSKlaus Jensen uint8_t *ptr = (uint8_t *)&n->bar; 751388eea45cSKlaus Jensen 751488eea45cSKlaus Jensen trace_pci_nvme_mmio_read(addr, size); 751588eea45cSKlaus Jensen 751688eea45cSKlaus Jensen if (unlikely(addr & (sizeof(uint32_t) - 1))) { 751788eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_misaligned32, 751888eea45cSKlaus Jensen "MMIO read not 32-bit aligned," 751988eea45cSKlaus Jensen " offset=0x%"PRIx64"", addr); 752088eea45cSKlaus Jensen /* should RAZ, fall through for now */ 752188eea45cSKlaus Jensen } else if (unlikely(size < sizeof(uint32_t))) { 752288eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_toosmall, 752388eea45cSKlaus Jensen "MMIO read smaller than 32-bits," 752488eea45cSKlaus Jensen " offset=0x%"PRIx64"", addr); 752588eea45cSKlaus Jensen /* should RAZ, fall through for now */ 752688eea45cSKlaus Jensen } 752788eea45cSKlaus Jensen 75285029de44SKlaus Jensen if (addr > sizeof(n->bar) - size) { 75295029de44SKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_invalid_ofs, 75305029de44SKlaus Jensen "MMIO read beyond last register," 75315029de44SKlaus Jensen " offset=0x%"PRIx64", returning 0", addr); 75325029de44SKlaus Jensen 75335029de44SKlaus Jensen return 0; 75345029de44SKlaus Jensen } 75355029de44SKlaus Jensen 753648b32c28SKlaus Jensen if (pci_is_vf(PCI_DEVICE(n)) && !nvme_sctrl(n)->scs && 753711871f53SŁukasz Gieryk addr != NVME_REG_CSTS) { 753811871f53SŁukasz Gieryk trace_pci_nvme_err_ignored_mmio_vf_offline(addr, size); 753911871f53SŁukasz Gieryk return 0; 754011871f53SŁukasz Gieryk } 754111871f53SŁukasz Gieryk 754288eea45cSKlaus Jensen /* 754388eea45cSKlaus Jensen * When PMRWBM bit 1 is set then read from 754488eea45cSKlaus Jensen * from PMRSTS should ensure prior writes 754588eea45cSKlaus Jensen * made it to persistent media 754688eea45cSKlaus Jensen */ 7547a316aa50SKlaus Jensen if (addr == NVME_REG_PMRSTS && 754849e03457SKlaus Jensen (NVME_PMRCAP_PMRWBM(ldl_le_p(&n->bar.pmrcap)) & 0x02)) { 754988eea45cSKlaus Jensen memory_region_msync(&n->pmr.dev->mr, 0, n->pmr.dev->size); 755088eea45cSKlaus Jensen } 75515029de44SKlaus Jensen 755249e03457SKlaus Jensen return ldn_le_p(ptr + addr, size); 755388eea45cSKlaus Jensen } 755488eea45cSKlaus Jensen 755588eea45cSKlaus Jensen static void nvme_process_db(NvmeCtrl *n, hwaddr addr, int val) 755688eea45cSKlaus Jensen { 755748b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 755888eea45cSKlaus Jensen uint32_t qid; 755988eea45cSKlaus Jensen 756088eea45cSKlaus Jensen if (unlikely(addr & ((1 << 2) - 1))) { 756188eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_misaligned, 756288eea45cSKlaus Jensen "doorbell write not 32-bit aligned," 756388eea45cSKlaus Jensen " offset=0x%"PRIx64", ignoring", addr); 756488eea45cSKlaus Jensen return; 756588eea45cSKlaus Jensen } 756688eea45cSKlaus Jensen 756788eea45cSKlaus Jensen if (((addr - 0x1000) >> 2) & 1) { 756888eea45cSKlaus Jensen /* Completion queue doorbell write */ 756988eea45cSKlaus Jensen 757088eea45cSKlaus Jensen uint16_t new_head = val & 0xffff; 757188eea45cSKlaus Jensen int start_sqs; 757288eea45cSKlaus Jensen NvmeCQueue *cq; 757388eea45cSKlaus Jensen 757488eea45cSKlaus Jensen qid = (addr - (0x1000 + (1 << 2))) >> 3; 757588eea45cSKlaus Jensen if (unlikely(nvme_check_cqid(n, qid))) { 757688eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_cq, 757788eea45cSKlaus Jensen "completion queue doorbell write" 757888eea45cSKlaus Jensen " for nonexistent queue," 757988eea45cSKlaus Jensen " sqid=%"PRIu32", ignoring", qid); 758088eea45cSKlaus Jensen 758188eea45cSKlaus Jensen /* 758288eea45cSKlaus Jensen * NVM Express v1.3d, Section 4.1 state: "If host software writes 758388eea45cSKlaus Jensen * an invalid value to the Submission Queue Tail Doorbell or 758488eea45cSKlaus Jensen * Completion Queue Head Doorbell regiter and an Asynchronous Event 758588eea45cSKlaus Jensen * Request command is outstanding, then an asynchronous event is 758688eea45cSKlaus Jensen * posted to the Admin Completion Queue with a status code of 758788eea45cSKlaus Jensen * Invalid Doorbell Write Value." 758888eea45cSKlaus Jensen * 758988eea45cSKlaus Jensen * Also note that the spec includes the "Invalid Doorbell Register" 759088eea45cSKlaus Jensen * status code, but nowhere does it specify when to use it. 759188eea45cSKlaus Jensen * However, it seems reasonable to use it here in a similar 759288eea45cSKlaus Jensen * fashion. 759388eea45cSKlaus Jensen */ 759488eea45cSKlaus Jensen if (n->outstanding_aers) { 759588eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 759688eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_REGISTER, 759788eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 759888eea45cSKlaus Jensen } 759988eea45cSKlaus Jensen 760088eea45cSKlaus Jensen return; 760188eea45cSKlaus Jensen } 760288eea45cSKlaus Jensen 760388eea45cSKlaus Jensen cq = n->cq[qid]; 760488eea45cSKlaus Jensen if (unlikely(new_head >= cq->size)) { 760588eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_cqhead, 760688eea45cSKlaus Jensen "completion queue doorbell write value" 760788eea45cSKlaus Jensen " beyond queue size, sqid=%"PRIu32"," 760888eea45cSKlaus Jensen " new_head=%"PRIu16", ignoring", 760988eea45cSKlaus Jensen qid, new_head); 761088eea45cSKlaus Jensen 761188eea45cSKlaus Jensen if (n->outstanding_aers) { 761288eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 761388eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_VALUE, 761488eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 761588eea45cSKlaus Jensen } 761688eea45cSKlaus Jensen 761788eea45cSKlaus Jensen return; 761888eea45cSKlaus Jensen } 761988eea45cSKlaus Jensen 762088eea45cSKlaus Jensen trace_pci_nvme_mmio_doorbell_cq(cq->cqid, new_head); 762188eea45cSKlaus Jensen 762288eea45cSKlaus Jensen start_sqs = nvme_cq_full(cq) ? 1 : 0; 762388eea45cSKlaus Jensen cq->head = new_head; 76243f7fe8deSJinhao Fan if (!qid && n->dbbuf_enabled) { 762548b32c28SKlaus Jensen pci_dma_write(pci, cq->db_addr, &cq->head, sizeof(cq->head)); 76263f7fe8deSJinhao Fan } 762788eea45cSKlaus Jensen if (start_sqs) { 762888eea45cSKlaus Jensen NvmeSQueue *sq; 762988eea45cSKlaus Jensen QTAILQ_FOREACH(sq, &cq->sq_list, entry) { 7630d38cc6fdSKlaus Jensen qemu_bh_schedule(sq->bh); 763188eea45cSKlaus Jensen } 7632d38cc6fdSKlaus Jensen qemu_bh_schedule(cq->bh); 763388eea45cSKlaus Jensen } 763488eea45cSKlaus Jensen 763588eea45cSKlaus Jensen if (cq->tail == cq->head) { 763683d7ed5cSKlaus Jensen if (cq->irq_enabled) { 763783d7ed5cSKlaus Jensen n->cq_pending--; 763883d7ed5cSKlaus Jensen } 763983d7ed5cSKlaus Jensen 764088eea45cSKlaus Jensen nvme_irq_deassert(n, cq); 764188eea45cSKlaus Jensen } 764288eea45cSKlaus Jensen } else { 764388eea45cSKlaus Jensen /* Submission queue doorbell write */ 764488eea45cSKlaus Jensen 764588eea45cSKlaus Jensen uint16_t new_tail = val & 0xffff; 764688eea45cSKlaus Jensen NvmeSQueue *sq; 764788eea45cSKlaus Jensen 764888eea45cSKlaus Jensen qid = (addr - 0x1000) >> 3; 764988eea45cSKlaus Jensen if (unlikely(nvme_check_sqid(n, qid))) { 765088eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_sq, 765188eea45cSKlaus Jensen "submission queue doorbell write" 765288eea45cSKlaus Jensen " for nonexistent queue," 765388eea45cSKlaus Jensen " sqid=%"PRIu32", ignoring", qid); 765488eea45cSKlaus Jensen 765588eea45cSKlaus Jensen if (n->outstanding_aers) { 765688eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 765788eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_REGISTER, 765888eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 765988eea45cSKlaus Jensen } 766088eea45cSKlaus Jensen 766188eea45cSKlaus Jensen return; 766288eea45cSKlaus Jensen } 766388eea45cSKlaus Jensen 766488eea45cSKlaus Jensen sq = n->sq[qid]; 766588eea45cSKlaus Jensen if (unlikely(new_tail >= sq->size)) { 766688eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_sqtail, 766788eea45cSKlaus Jensen "submission queue doorbell write value" 766888eea45cSKlaus Jensen " beyond queue size, sqid=%"PRIu32"," 766988eea45cSKlaus Jensen " new_tail=%"PRIu16", ignoring", 767088eea45cSKlaus Jensen qid, new_tail); 767188eea45cSKlaus Jensen 767288eea45cSKlaus Jensen if (n->outstanding_aers) { 767388eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 767488eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_VALUE, 767588eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 767688eea45cSKlaus Jensen } 767788eea45cSKlaus Jensen 767888eea45cSKlaus Jensen return; 767988eea45cSKlaus Jensen } 768088eea45cSKlaus Jensen 768188eea45cSKlaus Jensen trace_pci_nvme_mmio_doorbell_sq(sq->sqid, new_tail); 768288eea45cSKlaus Jensen 768388eea45cSKlaus Jensen sq->tail = new_tail; 76843f7fe8deSJinhao Fan if (!qid && n->dbbuf_enabled) { 76853f7fe8deSJinhao Fan /* 76863f7fe8deSJinhao Fan * The spec states "the host shall also update the controller's 76873f7fe8deSJinhao Fan * corresponding doorbell property to match the value of that entry 76883f7fe8deSJinhao Fan * in the Shadow Doorbell buffer." 76893f7fe8deSJinhao Fan * 76903f7fe8deSJinhao Fan * Since this context is currently a VM trap, we can safely enforce 76913f7fe8deSJinhao Fan * the requirement from the device side in case the host is 76923f7fe8deSJinhao Fan * misbehaving. 76933f7fe8deSJinhao Fan * 76943f7fe8deSJinhao Fan * Note, we shouldn't have to do this, but various drivers 76953f7fe8deSJinhao Fan * including ones that run on Linux, are not updating Admin Queues, 76963f7fe8deSJinhao Fan * so we can't trust reading it for an appropriate sq tail. 76973f7fe8deSJinhao Fan */ 769848b32c28SKlaus Jensen pci_dma_write(pci, sq->db_addr, &sq->tail, sizeof(sq->tail)); 76993f7fe8deSJinhao Fan } 7700d38cc6fdSKlaus Jensen 7701d38cc6fdSKlaus Jensen qemu_bh_schedule(sq->bh); 770288eea45cSKlaus Jensen } 770388eea45cSKlaus Jensen } 770488eea45cSKlaus Jensen 770588eea45cSKlaus Jensen static void nvme_mmio_write(void *opaque, hwaddr addr, uint64_t data, 770688eea45cSKlaus Jensen unsigned size) 770788eea45cSKlaus Jensen { 770888eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 770988eea45cSKlaus Jensen 771088eea45cSKlaus Jensen trace_pci_nvme_mmio_write(addr, data, size); 771188eea45cSKlaus Jensen 771248b32c28SKlaus Jensen if (pci_is_vf(PCI_DEVICE(n)) && !nvme_sctrl(n)->scs && 771311871f53SŁukasz Gieryk addr != NVME_REG_CSTS) { 771411871f53SŁukasz Gieryk trace_pci_nvme_err_ignored_mmio_vf_offline(addr, size); 771511871f53SŁukasz Gieryk return; 771611871f53SŁukasz Gieryk } 771711871f53SŁukasz Gieryk 771888eea45cSKlaus Jensen if (addr < sizeof(n->bar)) { 771988eea45cSKlaus Jensen nvme_write_bar(n, addr, data, size); 772088eea45cSKlaus Jensen } else { 772188eea45cSKlaus Jensen nvme_process_db(n, addr, data); 772288eea45cSKlaus Jensen } 772388eea45cSKlaus Jensen } 772488eea45cSKlaus Jensen 772588eea45cSKlaus Jensen static const MemoryRegionOps nvme_mmio_ops = { 772688eea45cSKlaus Jensen .read = nvme_mmio_read, 772788eea45cSKlaus Jensen .write = nvme_mmio_write, 772888eea45cSKlaus Jensen .endianness = DEVICE_LITTLE_ENDIAN, 772988eea45cSKlaus Jensen .impl = { 773088eea45cSKlaus Jensen .min_access_size = 2, 773188eea45cSKlaus Jensen .max_access_size = 8, 773288eea45cSKlaus Jensen }, 773388eea45cSKlaus Jensen }; 773488eea45cSKlaus Jensen 773588eea45cSKlaus Jensen static void nvme_cmb_write(void *opaque, hwaddr addr, uint64_t data, 773688eea45cSKlaus Jensen unsigned size) 773788eea45cSKlaus Jensen { 773888eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 773988eea45cSKlaus Jensen stn_le_p(&n->cmb.buf[addr], size, data); 774088eea45cSKlaus Jensen } 774188eea45cSKlaus Jensen 774288eea45cSKlaus Jensen static uint64_t nvme_cmb_read(void *opaque, hwaddr addr, unsigned size) 774388eea45cSKlaus Jensen { 774488eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 774588eea45cSKlaus Jensen return ldn_le_p(&n->cmb.buf[addr], size); 774688eea45cSKlaus Jensen } 774788eea45cSKlaus Jensen 774888eea45cSKlaus Jensen static const MemoryRegionOps nvme_cmb_ops = { 774988eea45cSKlaus Jensen .read = nvme_cmb_read, 775088eea45cSKlaus Jensen .write = nvme_cmb_write, 775188eea45cSKlaus Jensen .endianness = DEVICE_LITTLE_ENDIAN, 775288eea45cSKlaus Jensen .impl = { 775388eea45cSKlaus Jensen .min_access_size = 1, 775488eea45cSKlaus Jensen .max_access_size = 8, 775588eea45cSKlaus Jensen }, 775688eea45cSKlaus Jensen }; 775788eea45cSKlaus Jensen 7758784fd353SKlaus Jensen static bool nvme_check_params(NvmeCtrl *n, Error **errp) 775988eea45cSKlaus Jensen { 776088eea45cSKlaus Jensen NvmeParams *params = &n->params; 776188eea45cSKlaus Jensen 776288eea45cSKlaus Jensen if (params->num_queues) { 776388eea45cSKlaus Jensen warn_report("num_queues is deprecated; please use max_ioqpairs " 776488eea45cSKlaus Jensen "instead"); 776588eea45cSKlaus Jensen 776688eea45cSKlaus Jensen params->max_ioqpairs = params->num_queues - 1; 776788eea45cSKlaus Jensen } 776888eea45cSKlaus Jensen 776988eea45cSKlaus Jensen if (n->namespace.blkconf.blk && n->subsys) { 777088eea45cSKlaus Jensen error_setg(errp, "subsystem support is unavailable with legacy " 777188eea45cSKlaus Jensen "namespace ('drive' property)"); 7772784fd353SKlaus Jensen return false; 777388eea45cSKlaus Jensen } 777488eea45cSKlaus Jensen 777588eea45cSKlaus Jensen if (params->max_ioqpairs < 1 || 777688eea45cSKlaus Jensen params->max_ioqpairs > NVME_MAX_IOQPAIRS) { 777788eea45cSKlaus Jensen error_setg(errp, "max_ioqpairs must be between 1 and %d", 777888eea45cSKlaus Jensen NVME_MAX_IOQPAIRS); 7779784fd353SKlaus Jensen return false; 778088eea45cSKlaus Jensen } 778188eea45cSKlaus Jensen 778288eea45cSKlaus Jensen if (params->msix_qsize < 1 || 778388eea45cSKlaus Jensen params->msix_qsize > PCI_MSIX_FLAGS_QSIZE + 1) { 778488eea45cSKlaus Jensen error_setg(errp, "msix_qsize must be between 1 and %d", 778588eea45cSKlaus Jensen PCI_MSIX_FLAGS_QSIZE + 1); 7786784fd353SKlaus Jensen return false; 778788eea45cSKlaus Jensen } 778888eea45cSKlaus Jensen 778988eea45cSKlaus Jensen if (!params->serial) { 779088eea45cSKlaus Jensen error_setg(errp, "serial property not set"); 7791784fd353SKlaus Jensen return false; 779288eea45cSKlaus Jensen } 779388eea45cSKlaus Jensen 779488eea45cSKlaus Jensen if (n->pmr.dev) { 779588eea45cSKlaus Jensen if (host_memory_backend_is_mapped(n->pmr.dev)) { 779688eea45cSKlaus Jensen error_setg(errp, "can't use already busy memdev: %s", 779788eea45cSKlaus Jensen object_get_canonical_path_component(OBJECT(n->pmr.dev))); 7798784fd353SKlaus Jensen return false; 779988eea45cSKlaus Jensen } 780088eea45cSKlaus Jensen 780188eea45cSKlaus Jensen if (!is_power_of_2(n->pmr.dev->size)) { 780288eea45cSKlaus Jensen error_setg(errp, "pmr backend size needs to be power of 2 in size"); 7803784fd353SKlaus Jensen return false; 780488eea45cSKlaus Jensen } 780588eea45cSKlaus Jensen 780688eea45cSKlaus Jensen host_memory_backend_set_mapped(n->pmr.dev, true); 780788eea45cSKlaus Jensen } 780888eea45cSKlaus Jensen 780988eea45cSKlaus Jensen if (n->params.zasl > n->params.mdts) { 781088eea45cSKlaus Jensen error_setg(errp, "zoned.zasl (Zone Append Size Limit) must be less " 781188eea45cSKlaus Jensen "than or equal to mdts (Maximum Data Transfer Size)"); 7812784fd353SKlaus Jensen return false; 781388eea45cSKlaus Jensen } 781488eea45cSKlaus Jensen 781588eea45cSKlaus Jensen if (!n->params.vsl) { 781688eea45cSKlaus Jensen error_setg(errp, "vsl must be non-zero"); 7817784fd353SKlaus Jensen return false; 781888eea45cSKlaus Jensen } 781944c2c094SLukasz Maniak 782044c2c094SLukasz Maniak if (params->sriov_max_vfs) { 782144c2c094SLukasz Maniak if (!n->subsys) { 782244c2c094SLukasz Maniak error_setg(errp, "subsystem is required for the use of SR-IOV"); 7823784fd353SKlaus Jensen return false; 782444c2c094SLukasz Maniak } 782544c2c094SLukasz Maniak 782644c2c094SLukasz Maniak if (params->sriov_max_vfs > NVME_MAX_VFS) { 782744c2c094SLukasz Maniak error_setg(errp, "sriov_max_vfs must be between 0 and %d", 782844c2c094SLukasz Maniak NVME_MAX_VFS); 7829784fd353SKlaus Jensen return false; 783044c2c094SLukasz Maniak } 783144c2c094SLukasz Maniak 783244c2c094SLukasz Maniak if (params->cmb_size_mb) { 783344c2c094SLukasz Maniak error_setg(errp, "CMB is not supported with SR-IOV"); 7834784fd353SKlaus Jensen return false; 783544c2c094SLukasz Maniak } 783644c2c094SLukasz Maniak 783744c2c094SLukasz Maniak if (n->pmr.dev) { 783844c2c094SLukasz Maniak error_setg(errp, "PMR is not supported with SR-IOV"); 7839784fd353SKlaus Jensen return false; 784044c2c094SLukasz Maniak } 7841746d42b1SŁukasz Gieryk 7842746d42b1SŁukasz Gieryk if (!params->sriov_vq_flexible || !params->sriov_vi_flexible) { 7843746d42b1SŁukasz Gieryk error_setg(errp, "both sriov_vq_flexible and sriov_vi_flexible" 7844746d42b1SŁukasz Gieryk " must be set for the use of SR-IOV"); 7845784fd353SKlaus Jensen return false; 7846746d42b1SŁukasz Gieryk } 7847746d42b1SŁukasz Gieryk 7848746d42b1SŁukasz Gieryk if (params->sriov_vq_flexible < params->sriov_max_vfs * 2) { 7849746d42b1SŁukasz Gieryk error_setg(errp, "sriov_vq_flexible must be greater than or equal" 7850746d42b1SŁukasz Gieryk " to %d (sriov_max_vfs * 2)", params->sriov_max_vfs * 2); 7851784fd353SKlaus Jensen return false; 7852746d42b1SŁukasz Gieryk } 7853746d42b1SŁukasz Gieryk 7854746d42b1SŁukasz Gieryk if (params->max_ioqpairs < params->sriov_vq_flexible + 2) { 7855746d42b1SŁukasz Gieryk error_setg(errp, "(max_ioqpairs - sriov_vq_flexible) must be" 7856746d42b1SŁukasz Gieryk " greater than or equal to 2"); 7857784fd353SKlaus Jensen return false; 7858746d42b1SŁukasz Gieryk } 7859746d42b1SŁukasz Gieryk 7860746d42b1SŁukasz Gieryk if (params->sriov_vi_flexible < params->sriov_max_vfs) { 7861746d42b1SŁukasz Gieryk error_setg(errp, "sriov_vi_flexible must be greater than or equal" 7862746d42b1SŁukasz Gieryk " to %d (sriov_max_vfs)", params->sriov_max_vfs); 7863784fd353SKlaus Jensen return false; 7864746d42b1SŁukasz Gieryk } 7865746d42b1SŁukasz Gieryk 7866746d42b1SŁukasz Gieryk if (params->msix_qsize < params->sriov_vi_flexible + 1) { 7867746d42b1SŁukasz Gieryk error_setg(errp, "(msix_qsize - sriov_vi_flexible) must be" 7868746d42b1SŁukasz Gieryk " greater than or equal to 1"); 7869784fd353SKlaus Jensen return false; 7870746d42b1SŁukasz Gieryk } 7871746d42b1SŁukasz Gieryk 7872746d42b1SŁukasz Gieryk if (params->sriov_max_vi_per_vf && 7873746d42b1SŁukasz Gieryk (params->sriov_max_vi_per_vf - 1) % NVME_VF_RES_GRANULARITY) { 7874746d42b1SŁukasz Gieryk error_setg(errp, "sriov_max_vi_per_vf must meet:" 7875746d42b1SŁukasz Gieryk " (sriov_max_vi_per_vf - 1) %% %d == 0 and" 7876746d42b1SŁukasz Gieryk " sriov_max_vi_per_vf >= 1", NVME_VF_RES_GRANULARITY); 7877784fd353SKlaus Jensen return false; 7878746d42b1SŁukasz Gieryk } 7879746d42b1SŁukasz Gieryk 7880746d42b1SŁukasz Gieryk if (params->sriov_max_vq_per_vf && 7881746d42b1SŁukasz Gieryk (params->sriov_max_vq_per_vf < 2 || 7882746d42b1SŁukasz Gieryk (params->sriov_max_vq_per_vf - 1) % NVME_VF_RES_GRANULARITY)) { 7883746d42b1SŁukasz Gieryk error_setg(errp, "sriov_max_vq_per_vf must meet:" 7884746d42b1SŁukasz Gieryk " (sriov_max_vq_per_vf - 1) %% %d == 0 and" 7885746d42b1SŁukasz Gieryk " sriov_max_vq_per_vf >= 2", NVME_VF_RES_GRANULARITY); 7886784fd353SKlaus Jensen return false; 7887746d42b1SŁukasz Gieryk } 788844c2c094SLukasz Maniak } 7889784fd353SKlaus Jensen 7890784fd353SKlaus Jensen return true; 789188eea45cSKlaus Jensen } 789288eea45cSKlaus Jensen 789388eea45cSKlaus Jensen static void nvme_init_state(NvmeCtrl *n) 789488eea45cSKlaus Jensen { 78955e6f963fSLukasz Maniak NvmePriCtrlCap *cap = &n->pri_ctrl_cap; 789699f48ae7SLukasz Maniak NvmeSecCtrlList *list = &n->sec_ctrl_list; 789799f48ae7SLukasz Maniak NvmeSecCtrlEntry *sctrl; 789848b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 7899746d42b1SŁukasz Gieryk uint8_t max_vfs; 790099f48ae7SLukasz Maniak int i; 79015e6f963fSLukasz Maniak 790248b32c28SKlaus Jensen if (pci_is_vf(pci)) { 7903746d42b1SŁukasz Gieryk sctrl = nvme_sctrl(n); 7904746d42b1SŁukasz Gieryk max_vfs = 0; 7905746d42b1SŁukasz Gieryk n->conf_ioqpairs = sctrl->nvq ? le16_to_cpu(sctrl->nvq) - 1 : 0; 7906746d42b1SŁukasz Gieryk n->conf_msix_qsize = sctrl->nvi ? le16_to_cpu(sctrl->nvi) : 1; 7907746d42b1SŁukasz Gieryk } else { 7908746d42b1SŁukasz Gieryk max_vfs = n->params.sriov_max_vfs; 7909decc0261SŁukasz Gieryk n->conf_ioqpairs = n->params.max_ioqpairs; 7910decc0261SŁukasz Gieryk n->conf_msix_qsize = n->params.msix_qsize; 7911746d42b1SŁukasz Gieryk } 7912decc0261SŁukasz Gieryk 791388eea45cSKlaus Jensen n->sq = g_new0(NvmeSQueue *, n->params.max_ioqpairs + 1); 791488eea45cSKlaus Jensen n->cq = g_new0(NvmeCQueue *, n->params.max_ioqpairs + 1); 791588eea45cSKlaus Jensen n->temperature = NVME_TEMPERATURE; 791688eea45cSKlaus Jensen n->features.temp_thresh_hi = NVME_TEMPERATURE_WARNING; 791788eea45cSKlaus Jensen n->starttime_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 791888eea45cSKlaus Jensen n->aer_reqs = g_new0(NvmeRequest *, n->params.aerl + 1); 7919b7698b91SŁukasz Gieryk QTAILQ_INIT(&n->aer_queue); 79205e6f963fSLukasz Maniak 7921746d42b1SŁukasz Gieryk list->numcntl = cpu_to_le16(max_vfs); 7922746d42b1SŁukasz Gieryk for (i = 0; i < max_vfs; i++) { 792399f48ae7SLukasz Maniak sctrl = &list->sec[i]; 792499f48ae7SLukasz Maniak sctrl->pcid = cpu_to_le16(n->cntlid); 792599f48ae7SLukasz Maniak sctrl->vfn = cpu_to_le16(i + 1); 792699f48ae7SLukasz Maniak } 792799f48ae7SLukasz Maniak 79285e6f963fSLukasz Maniak cap->cntlid = cpu_to_le16(n->cntlid); 7929746d42b1SŁukasz Gieryk cap->crt = NVME_CRT_VQ | NVME_CRT_VI; 7930746d42b1SŁukasz Gieryk 793148b32c28SKlaus Jensen if (pci_is_vf(pci)) { 7932746d42b1SŁukasz Gieryk cap->vqprt = cpu_to_le16(1 + n->conf_ioqpairs); 7933746d42b1SŁukasz Gieryk } else { 7934746d42b1SŁukasz Gieryk cap->vqprt = cpu_to_le16(1 + n->params.max_ioqpairs - 7935746d42b1SŁukasz Gieryk n->params.sriov_vq_flexible); 7936746d42b1SŁukasz Gieryk cap->vqfrt = cpu_to_le32(n->params.sriov_vq_flexible); 7937746d42b1SŁukasz Gieryk cap->vqrfap = cap->vqfrt; 7938746d42b1SŁukasz Gieryk cap->vqgran = cpu_to_le16(NVME_VF_RES_GRANULARITY); 7939746d42b1SŁukasz Gieryk cap->vqfrsm = n->params.sriov_max_vq_per_vf ? 7940746d42b1SŁukasz Gieryk cpu_to_le16(n->params.sriov_max_vq_per_vf) : 7941746d42b1SŁukasz Gieryk cap->vqfrt / MAX(max_vfs, 1); 7942746d42b1SŁukasz Gieryk } 7943746d42b1SŁukasz Gieryk 794448b32c28SKlaus Jensen if (pci_is_vf(pci)) { 7945746d42b1SŁukasz Gieryk cap->viprt = cpu_to_le16(n->conf_msix_qsize); 7946746d42b1SŁukasz Gieryk } else { 7947746d42b1SŁukasz Gieryk cap->viprt = cpu_to_le16(n->params.msix_qsize - 7948746d42b1SŁukasz Gieryk n->params.sriov_vi_flexible); 7949746d42b1SŁukasz Gieryk cap->vifrt = cpu_to_le32(n->params.sriov_vi_flexible); 7950746d42b1SŁukasz Gieryk cap->virfap = cap->vifrt; 7951746d42b1SŁukasz Gieryk cap->vigran = cpu_to_le16(NVME_VF_RES_GRANULARITY); 7952746d42b1SŁukasz Gieryk cap->vifrsm = n->params.sriov_max_vi_per_vf ? 7953746d42b1SŁukasz Gieryk cpu_to_le16(n->params.sriov_max_vi_per_vf) : 7954746d42b1SŁukasz Gieryk cap->vifrt / MAX(max_vfs, 1); 7955746d42b1SŁukasz Gieryk } 795688eea45cSKlaus Jensen } 795788eea45cSKlaus Jensen 795888eea45cSKlaus Jensen static void nvme_init_cmb(NvmeCtrl *n, PCIDevice *pci_dev) 795988eea45cSKlaus Jensen { 796088eea45cSKlaus Jensen uint64_t cmb_size = n->params.cmb_size_mb * MiB; 796149e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 796288eea45cSKlaus Jensen 796388eea45cSKlaus Jensen n->cmb.buf = g_malloc0(cmb_size); 796488eea45cSKlaus Jensen memory_region_init_io(&n->cmb.mem, OBJECT(n), &nvme_cmb_ops, n, 796588eea45cSKlaus Jensen "nvme-cmb", cmb_size); 796688eea45cSKlaus Jensen pci_register_bar(pci_dev, NVME_CMB_BIR, 796788eea45cSKlaus Jensen PCI_BASE_ADDRESS_SPACE_MEMORY | 796888eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64 | 796988eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_PREFETCH, &n->cmb.mem); 797088eea45cSKlaus Jensen 797149e03457SKlaus Jensen NVME_CAP_SET_CMBS(cap, 1); 797249e03457SKlaus Jensen stq_le_p(&n->bar.cap, cap); 797388eea45cSKlaus Jensen 797488eea45cSKlaus Jensen if (n->params.legacy_cmb) { 797588eea45cSKlaus Jensen nvme_cmb_enable_regs(n); 797688eea45cSKlaus Jensen n->cmb.cmse = true; 797788eea45cSKlaus Jensen } 797888eea45cSKlaus Jensen } 797988eea45cSKlaus Jensen 798088eea45cSKlaus Jensen static void nvme_init_pmr(NvmeCtrl *n, PCIDevice *pci_dev) 798188eea45cSKlaus Jensen { 798249e03457SKlaus Jensen uint32_t pmrcap = ldl_le_p(&n->bar.pmrcap); 798388eea45cSKlaus Jensen 798449e03457SKlaus Jensen NVME_PMRCAP_SET_RDS(pmrcap, 1); 798549e03457SKlaus Jensen NVME_PMRCAP_SET_WDS(pmrcap, 1); 798649e03457SKlaus Jensen NVME_PMRCAP_SET_BIR(pmrcap, NVME_PMR_BIR); 798749e03457SKlaus Jensen /* Turn on bit 1 support */ 798849e03457SKlaus Jensen NVME_PMRCAP_SET_PMRWBM(pmrcap, 0x02); 798949e03457SKlaus Jensen NVME_PMRCAP_SET_CMSS(pmrcap, 1); 799049e03457SKlaus Jensen stl_le_p(&n->bar.pmrcap, pmrcap); 799149e03457SKlaus Jensen 799249e03457SKlaus Jensen pci_register_bar(pci_dev, NVME_PMR_BIR, 799388eea45cSKlaus Jensen PCI_BASE_ADDRESS_SPACE_MEMORY | 799488eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64 | 799588eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_PREFETCH, &n->pmr.dev->mr); 799688eea45cSKlaus Jensen 799788eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, false); 799888eea45cSKlaus Jensen } 799988eea45cSKlaus Jensen 8000aa817713SŁukasz Gieryk static uint64_t nvme_bar_size(unsigned total_queues, unsigned total_irqs, 8001aa817713SŁukasz Gieryk unsigned *msix_table_offset, 8002aa817713SŁukasz Gieryk unsigned *msix_pba_offset) 8003aa817713SŁukasz Gieryk { 8004aa817713SŁukasz Gieryk uint64_t bar_size, msix_table_size, msix_pba_size; 8005aa817713SŁukasz Gieryk 8006aa817713SŁukasz Gieryk bar_size = sizeof(NvmeBar) + 2 * total_queues * NVME_DB_SIZE; 8007aa817713SŁukasz Gieryk bar_size = QEMU_ALIGN_UP(bar_size, 4 * KiB); 8008aa817713SŁukasz Gieryk 8009aa817713SŁukasz Gieryk if (msix_table_offset) { 8010aa817713SŁukasz Gieryk *msix_table_offset = bar_size; 8011aa817713SŁukasz Gieryk } 8012aa817713SŁukasz Gieryk 8013aa817713SŁukasz Gieryk msix_table_size = PCI_MSIX_ENTRY_SIZE * total_irqs; 8014aa817713SŁukasz Gieryk bar_size += msix_table_size; 8015aa817713SŁukasz Gieryk bar_size = QEMU_ALIGN_UP(bar_size, 4 * KiB); 8016aa817713SŁukasz Gieryk 8017aa817713SŁukasz Gieryk if (msix_pba_offset) { 8018aa817713SŁukasz Gieryk *msix_pba_offset = bar_size; 8019aa817713SŁukasz Gieryk } 8020aa817713SŁukasz Gieryk 8021aa817713SŁukasz Gieryk msix_pba_size = QEMU_ALIGN_UP(total_irqs, 64) / 8; 8022aa817713SŁukasz Gieryk bar_size += msix_pba_size; 8023aa817713SŁukasz Gieryk 8024aa817713SŁukasz Gieryk bar_size = pow2ceil(bar_size); 8025aa817713SŁukasz Gieryk return bar_size; 8026aa817713SŁukasz Gieryk } 8027aa817713SŁukasz Gieryk 8028746d42b1SŁukasz Gieryk static void nvme_init_sriov(NvmeCtrl *n, PCIDevice *pci_dev, uint16_t offset) 802944c2c094SLukasz Maniak { 803044c2c094SLukasz Maniak uint16_t vf_dev_id = n->params.use_intel_id ? 803144c2c094SLukasz Maniak PCI_DEVICE_ID_INTEL_NVME : PCI_DEVICE_ID_REDHAT_NVME; 8032746d42b1SŁukasz Gieryk NvmePriCtrlCap *cap = &n->pri_ctrl_cap; 8033746d42b1SŁukasz Gieryk uint64_t bar_size = nvme_bar_size(le16_to_cpu(cap->vqfrsm), 8034746d42b1SŁukasz Gieryk le16_to_cpu(cap->vifrsm), 8035746d42b1SŁukasz Gieryk NULL, NULL); 803644c2c094SLukasz Maniak 803744c2c094SLukasz Maniak pcie_sriov_pf_init(pci_dev, offset, "nvme", vf_dev_id, 803844c2c094SLukasz Maniak n->params.sriov_max_vfs, n->params.sriov_max_vfs, 803944c2c094SLukasz Maniak NVME_VF_OFFSET, NVME_VF_STRIDE); 804044c2c094SLukasz Maniak 804144c2c094SLukasz Maniak pcie_sriov_pf_init_vf_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY | 804244c2c094SLukasz Maniak PCI_BASE_ADDRESS_MEM_TYPE_64, bar_size); 804344c2c094SLukasz Maniak } 804444c2c094SLukasz Maniak 80451e9c685eSŁukasz Gieryk static int nvme_add_pm_capability(PCIDevice *pci_dev, uint8_t offset) 80461e9c685eSŁukasz Gieryk { 80471e9c685eSŁukasz Gieryk Error *err = NULL; 80481e9c685eSŁukasz Gieryk int ret; 80491e9c685eSŁukasz Gieryk 80501e9c685eSŁukasz Gieryk ret = pci_add_capability(pci_dev, PCI_CAP_ID_PM, offset, 80511e9c685eSŁukasz Gieryk PCI_PM_SIZEOF, &err); 80521e9c685eSŁukasz Gieryk if (err) { 80531e9c685eSŁukasz Gieryk error_report_err(err); 80541e9c685eSŁukasz Gieryk return ret; 80551e9c685eSŁukasz Gieryk } 80561e9c685eSŁukasz Gieryk 80571e9c685eSŁukasz Gieryk pci_set_word(pci_dev->config + offset + PCI_PM_PMC, 80581e9c685eSŁukasz Gieryk PCI_PM_CAP_VER_1_2); 80591e9c685eSŁukasz Gieryk pci_set_word(pci_dev->config + offset + PCI_PM_CTRL, 80601e9c685eSŁukasz Gieryk PCI_PM_CTRL_NO_SOFT_RESET); 80611e9c685eSŁukasz Gieryk pci_set_word(pci_dev->wmask + offset + PCI_PM_CTRL, 80621e9c685eSŁukasz Gieryk PCI_PM_CTRL_STATE_MASK); 80631e9c685eSŁukasz Gieryk 80641e9c685eSŁukasz Gieryk return 0; 80651e9c685eSŁukasz Gieryk } 80661e9c685eSŁukasz Gieryk 8067973f76cfSKlaus Jensen static bool nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev, Error **errp) 806888eea45cSKlaus Jensen { 8069973f76cfSKlaus Jensen ERRP_GUARD(); 807088eea45cSKlaus Jensen uint8_t *pci_conf = pci_dev->config; 8071aa817713SŁukasz Gieryk uint64_t bar_size; 807288eea45cSKlaus Jensen unsigned msix_table_offset, msix_pba_offset; 807388eea45cSKlaus Jensen int ret; 807488eea45cSKlaus Jensen 807588eea45cSKlaus Jensen pci_conf[PCI_INTERRUPT_PIN] = 1; 807688eea45cSKlaus Jensen pci_config_set_prog_interface(pci_conf, 0x2); 807788eea45cSKlaus Jensen 807888eea45cSKlaus Jensen if (n->params.use_intel_id) { 807988eea45cSKlaus Jensen pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL); 808044c2c094SLukasz Maniak pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_INTEL_NVME); 808188eea45cSKlaus Jensen } else { 808288eea45cSKlaus Jensen pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_REDHAT); 808388eea45cSKlaus Jensen pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_REDHAT_NVME); 808488eea45cSKlaus Jensen } 808588eea45cSKlaus Jensen 808688eea45cSKlaus Jensen pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_EXPRESS); 80871e9c685eSŁukasz Gieryk nvme_add_pm_capability(pci_dev, 0x60); 808888eea45cSKlaus Jensen pcie_endpoint_cap_init(pci_dev, 0x80); 80891e9c685eSŁukasz Gieryk pcie_cap_flr_init(pci_dev); 809044c2c094SLukasz Maniak if (n->params.sriov_max_vfs) { 809144c2c094SLukasz Maniak pcie_ari_init(pci_dev, 0x100, 1); 809244c2c094SLukasz Maniak } 809388eea45cSKlaus Jensen 80943bfcc517SŁukasz Gieryk /* add one to max_ioqpairs to account for the admin queue pair */ 8095aa817713SŁukasz Gieryk bar_size = nvme_bar_size(n->params.max_ioqpairs + 1, n->params.msix_qsize, 8096aa817713SŁukasz Gieryk &msix_table_offset, &msix_pba_offset); 809788eea45cSKlaus Jensen 809888eea45cSKlaus Jensen memory_region_init(&n->bar0, OBJECT(n), "nvme-bar0", bar_size); 809988eea45cSKlaus Jensen memory_region_init_io(&n->iomem, OBJECT(n), &nvme_mmio_ops, n, "nvme", 81003bfcc517SŁukasz Gieryk msix_table_offset); 810188eea45cSKlaus Jensen memory_region_add_subregion(&n->bar0, 0, &n->iomem); 810288eea45cSKlaus Jensen 810344c2c094SLukasz Maniak if (pci_is_vf(pci_dev)) { 810444c2c094SLukasz Maniak pcie_sriov_vf_register_bar(pci_dev, 0, &n->bar0); 810544c2c094SLukasz Maniak } else { 810688eea45cSKlaus Jensen pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY | 810788eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64, &n->bar0); 810844c2c094SLukasz Maniak } 810988eea45cSKlaus Jensen ret = msix_init(pci_dev, n->params.msix_qsize, 811088eea45cSKlaus Jensen &n->bar0, 0, msix_table_offset, 8111973f76cfSKlaus Jensen &n->bar0, 0, msix_pba_offset, 0, errp); 811288eea45cSKlaus Jensen if (ret == -ENOTSUP) { 8113973f76cfSKlaus Jensen /* report that msix is not supported, but do not error out */ 8114973f76cfSKlaus Jensen warn_report_err(*errp); 8115973f76cfSKlaus Jensen *errp = NULL; 8116973f76cfSKlaus Jensen } else if (ret < 0) { 8117973f76cfSKlaus Jensen /* propagate error to caller */ 8118973f76cfSKlaus Jensen return false; 811988eea45cSKlaus Jensen } 812088eea45cSKlaus Jensen 8121decc0261SŁukasz Gieryk nvme_update_msixcap_ts(pci_dev, n->conf_msix_qsize); 8122decc0261SŁukasz Gieryk 812388eea45cSKlaus Jensen if (n->params.cmb_size_mb) { 812488eea45cSKlaus Jensen nvme_init_cmb(n, pci_dev); 812588eea45cSKlaus Jensen } 812688eea45cSKlaus Jensen 812788eea45cSKlaus Jensen if (n->pmr.dev) { 812888eea45cSKlaus Jensen nvme_init_pmr(n, pci_dev); 812988eea45cSKlaus Jensen } 813088eea45cSKlaus Jensen 813144c2c094SLukasz Maniak if (!pci_is_vf(pci_dev) && n->params.sriov_max_vfs) { 8132746d42b1SŁukasz Gieryk nvme_init_sriov(n, pci_dev, 0x120); 813344c2c094SLukasz Maniak } 813444c2c094SLukasz Maniak 8135973f76cfSKlaus Jensen return true; 813688eea45cSKlaus Jensen } 813788eea45cSKlaus Jensen 813888eea45cSKlaus Jensen static void nvme_init_subnqn(NvmeCtrl *n) 813988eea45cSKlaus Jensen { 814088eea45cSKlaus Jensen NvmeSubsystem *subsys = n->subsys; 814188eea45cSKlaus Jensen NvmeIdCtrl *id = &n->id_ctrl; 814288eea45cSKlaus Jensen 814388eea45cSKlaus Jensen if (!subsys) { 814488eea45cSKlaus Jensen snprintf((char *)id->subnqn, sizeof(id->subnqn), 814588eea45cSKlaus Jensen "nqn.2019-08.org.qemu:%s", n->params.serial); 814688eea45cSKlaus Jensen } else { 814788eea45cSKlaus Jensen pstrcpy((char *)id->subnqn, sizeof(id->subnqn), (char*)subsys->subnqn); 814888eea45cSKlaus Jensen } 814988eea45cSKlaus Jensen } 815088eea45cSKlaus Jensen 815188eea45cSKlaus Jensen static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev) 815288eea45cSKlaus Jensen { 815388eea45cSKlaus Jensen NvmeIdCtrl *id = &n->id_ctrl; 815488eea45cSKlaus Jensen uint8_t *pci_conf = pci_dev->config; 815549e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 8156746d42b1SŁukasz Gieryk NvmeSecCtrlEntry *sctrl = nvme_sctrl(n); 8157771dbc3aSKlaus Jensen uint32_t ctratt; 815888eea45cSKlaus Jensen 815988eea45cSKlaus Jensen id->vid = cpu_to_le16(pci_get_word(pci_conf + PCI_VENDOR_ID)); 816088eea45cSKlaus Jensen id->ssvid = cpu_to_le16(pci_get_word(pci_conf + PCI_SUBSYSTEM_VENDOR_ID)); 816188eea45cSKlaus Jensen strpadcpy((char *)id->mn, sizeof(id->mn), "QEMU NVMe Ctrl", ' '); 8162fbba243bSKlaus Jensen strpadcpy((char *)id->fr, sizeof(id->fr), QEMU_VERSION, ' '); 816388eea45cSKlaus Jensen strpadcpy((char *)id->sn, sizeof(id->sn), n->params.serial, ' '); 816488eea45cSKlaus Jensen 816588eea45cSKlaus Jensen id->cntlid = cpu_to_le16(n->cntlid); 816688eea45cSKlaus Jensen 816788eea45cSKlaus Jensen id->oaes = cpu_to_le32(NVME_OAES_NS_ATTR); 8168771dbc3aSKlaus Jensen ctratt = NVME_CTRATT_ELBAS; 816988eea45cSKlaus Jensen 817088eea45cSKlaus Jensen id->rab = 6; 817188eea45cSKlaus Jensen 817288eea45cSKlaus Jensen if (n->params.use_intel_id) { 817388eea45cSKlaus Jensen id->ieee[0] = 0xb3; 817488eea45cSKlaus Jensen id->ieee[1] = 0x02; 817588eea45cSKlaus Jensen id->ieee[2] = 0x00; 817688eea45cSKlaus Jensen } else { 817788eea45cSKlaus Jensen id->ieee[0] = 0x00; 817888eea45cSKlaus Jensen id->ieee[1] = 0x54; 817988eea45cSKlaus Jensen id->ieee[2] = 0x52; 818088eea45cSKlaus Jensen } 818188eea45cSKlaus Jensen 818288eea45cSKlaus Jensen id->mdts = n->params.mdts; 818388eea45cSKlaus Jensen id->ver = cpu_to_le32(NVME_SPEC_VER); 81843f7fe8deSJinhao Fan id->oacs = 8185e181d3daSGollu Appalanaidu cpu_to_le16(NVME_OACS_NS_MGMT | NVME_OACS_FORMAT | NVME_OACS_DBBUF | 8186e181d3daSGollu Appalanaidu NVME_OACS_DIRECTIVES); 818788eea45cSKlaus Jensen id->cntrltype = 0x1; 818888eea45cSKlaus Jensen 818988eea45cSKlaus Jensen /* 819088eea45cSKlaus Jensen * Because the controller always completes the Abort command immediately, 819188eea45cSKlaus Jensen * there can never be more than one concurrently executing Abort command, 819288eea45cSKlaus Jensen * so this value is never used for anything. Note that there can easily be 819388eea45cSKlaus Jensen * many Abort commands in the queues, but they are not considered 819488eea45cSKlaus Jensen * "executing" until processed by nvme_abort. 819588eea45cSKlaus Jensen * 819688eea45cSKlaus Jensen * The specification recommends a value of 3 for Abort Command Limit (four 819788eea45cSKlaus Jensen * concurrently outstanding Abort commands), so lets use that though it is 819888eea45cSKlaus Jensen * inconsequential. 819988eea45cSKlaus Jensen */ 820088eea45cSKlaus Jensen id->acl = 3; 820188eea45cSKlaus Jensen id->aerl = n->params.aerl; 820288eea45cSKlaus Jensen id->frmw = (NVME_NUM_FW_SLOTS << 1) | NVME_FRMW_SLOT1_RO; 820388eea45cSKlaus Jensen id->lpa = NVME_LPA_NS_SMART | NVME_LPA_CSE | NVME_LPA_EXTENDED; 820488eea45cSKlaus Jensen 820588eea45cSKlaus Jensen /* recommended default value (~70 C) */ 820688eea45cSKlaus Jensen id->wctemp = cpu_to_le16(NVME_TEMPERATURE_WARNING); 820788eea45cSKlaus Jensen id->cctemp = cpu_to_le16(NVME_TEMPERATURE_CRITICAL); 820888eea45cSKlaus Jensen 820988eea45cSKlaus Jensen id->sqes = (0x6 << 4) | 0x6; 821088eea45cSKlaus Jensen id->cqes = (0x4 << 4) | 0x4; 821188eea45cSKlaus Jensen id->nn = cpu_to_le32(NVME_MAX_NAMESPACES); 821288eea45cSKlaus Jensen id->oncs = cpu_to_le16(NVME_ONCS_WRITE_ZEROES | NVME_ONCS_TIMESTAMP | 821388eea45cSKlaus Jensen NVME_ONCS_FEATURES | NVME_ONCS_DSM | 821488eea45cSKlaus Jensen NVME_ONCS_COMPARE | NVME_ONCS_COPY); 821588eea45cSKlaus Jensen 821688eea45cSKlaus Jensen /* 821788eea45cSKlaus Jensen * NOTE: If this device ever supports a command set that does NOT use 0x0 821888eea45cSKlaus Jensen * as a Flush-equivalent operation, support for the broadcast NSID in Flush 821988eea45cSKlaus Jensen * should probably be removed. 822088eea45cSKlaus Jensen * 822188eea45cSKlaus Jensen * See comment in nvme_io_cmd. 822288eea45cSKlaus Jensen */ 822388eea45cSKlaus Jensen id->vwc = NVME_VWC_NSID_BROADCAST_SUPPORT | NVME_VWC_PRESENT; 822488eea45cSKlaus Jensen 822544219b60SNaveen Nagar id->ocfs = cpu_to_le16(NVME_OCFS_COPY_FORMAT_0 | NVME_OCFS_COPY_FORMAT_1); 8226b9147a3aSKlaus Jensen id->sgls = cpu_to_le32(NVME_CTRL_SGLS_SUPPORT_NO_ALIGN); 822788eea45cSKlaus Jensen 822888eea45cSKlaus Jensen nvme_init_subnqn(n); 822988eea45cSKlaus Jensen 823088eea45cSKlaus Jensen id->psd[0].mp = cpu_to_le16(0x9c4); 823188eea45cSKlaus Jensen id->psd[0].enlat = cpu_to_le32(0x10); 823288eea45cSKlaus Jensen id->psd[0].exlat = cpu_to_le32(0x4); 823388eea45cSKlaus Jensen 823488eea45cSKlaus Jensen if (n->subsys) { 823588eea45cSKlaus Jensen id->cmic |= NVME_CMIC_MULTI_CTRL; 8236771dbc3aSKlaus Jensen ctratt |= NVME_CTRATT_ENDGRPS; 8237771dbc3aSKlaus Jensen 8238771dbc3aSKlaus Jensen id->endgidmax = cpu_to_le16(0x1); 823973064edfSJesper Devantier 824073064edfSJesper Devantier if (n->subsys->endgrp.fdp.enabled) { 824173064edfSJesper Devantier ctratt |= NVME_CTRATT_FDPS; 824273064edfSJesper Devantier } 824388eea45cSKlaus Jensen } 824488eea45cSKlaus Jensen 8245771dbc3aSKlaus Jensen id->ctratt = cpu_to_le32(ctratt); 8246771dbc3aSKlaus Jensen 824749e03457SKlaus Jensen NVME_CAP_SET_MQES(cap, 0x7ff); 824849e03457SKlaus Jensen NVME_CAP_SET_CQR(cap, 1); 824949e03457SKlaus Jensen NVME_CAP_SET_TO(cap, 0xf); 825049e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_NVM); 825149e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_CSI_SUPP); 825249e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_ADMIN_ONLY); 825349e03457SKlaus Jensen NVME_CAP_SET_MPSMAX(cap, 4); 825449e03457SKlaus Jensen NVME_CAP_SET_CMBS(cap, n->params.cmb_size_mb ? 1 : 0); 825549e03457SKlaus Jensen NVME_CAP_SET_PMRS(cap, n->pmr.dev ? 1 : 0); 825649e03457SKlaus Jensen stq_le_p(&n->bar.cap, cap); 825788eea45cSKlaus Jensen 825849e03457SKlaus Jensen stl_le_p(&n->bar.vs, NVME_SPEC_VER); 825988eea45cSKlaus Jensen n->bar.intmc = n->bar.intms = 0; 8260746d42b1SŁukasz Gieryk 826148b32c28SKlaus Jensen if (pci_is_vf(pci_dev) && !sctrl->scs) { 8262746d42b1SŁukasz Gieryk stl_le_p(&n->bar.csts, NVME_CSTS_FAILED); 8263746d42b1SŁukasz Gieryk } 826488eea45cSKlaus Jensen } 826588eea45cSKlaus Jensen 826688eea45cSKlaus Jensen static int nvme_init_subsys(NvmeCtrl *n, Error **errp) 826788eea45cSKlaus Jensen { 826888eea45cSKlaus Jensen int cntlid; 826988eea45cSKlaus Jensen 827088eea45cSKlaus Jensen if (!n->subsys) { 827188eea45cSKlaus Jensen return 0; 827288eea45cSKlaus Jensen } 827388eea45cSKlaus Jensen 827488eea45cSKlaus Jensen cntlid = nvme_subsys_register_ctrl(n, errp); 827588eea45cSKlaus Jensen if (cntlid < 0) { 827688eea45cSKlaus Jensen return -1; 827788eea45cSKlaus Jensen } 827888eea45cSKlaus Jensen 827988eea45cSKlaus Jensen n->cntlid = cntlid; 828088eea45cSKlaus Jensen 828188eea45cSKlaus Jensen return 0; 828288eea45cSKlaus Jensen } 828388eea45cSKlaus Jensen 828488eea45cSKlaus Jensen void nvme_attach_ns(NvmeCtrl *n, NvmeNamespace *ns) 828588eea45cSKlaus Jensen { 828688eea45cSKlaus Jensen uint32_t nsid = ns->params.nsid; 828788eea45cSKlaus Jensen assert(nsid && nsid <= NVME_MAX_NAMESPACES); 828888eea45cSKlaus Jensen 828988eea45cSKlaus Jensen n->namespaces[nsid] = ns; 829088eea45cSKlaus Jensen ns->attached++; 829188eea45cSKlaus Jensen 829288eea45cSKlaus Jensen n->dmrsl = MIN_NON_ZERO(n->dmrsl, 829388eea45cSKlaus Jensen BDRV_REQUEST_MAX_BYTES / nvme_l2b(ns, 1)); 829488eea45cSKlaus Jensen } 829588eea45cSKlaus Jensen 829688eea45cSKlaus Jensen static void nvme_realize(PCIDevice *pci_dev, Error **errp) 829788eea45cSKlaus Jensen { 829888eea45cSKlaus Jensen NvmeCtrl *n = NVME(pci_dev); 829948b32c28SKlaus Jensen DeviceState *dev = DEVICE(pci_dev); 830088eea45cSKlaus Jensen NvmeNamespace *ns; 830144c2c094SLukasz Maniak NvmeCtrl *pn = NVME(pcie_sriov_get_pf(pci_dev)); 830244c2c094SLukasz Maniak 830344c2c094SLukasz Maniak if (pci_is_vf(pci_dev)) { 830444c2c094SLukasz Maniak /* 830544c2c094SLukasz Maniak * VFs derive settings from the parent. PF's lifespan exceeds 830644c2c094SLukasz Maniak * that of VF's, so it's safe to share params.serial. 830744c2c094SLukasz Maniak */ 830844c2c094SLukasz Maniak memcpy(&n->params, &pn->params, sizeof(NvmeParams)); 830944c2c094SLukasz Maniak n->subsys = pn->subsys; 831044c2c094SLukasz Maniak } 831188eea45cSKlaus Jensen 8312784fd353SKlaus Jensen if (!nvme_check_params(n, errp)) { 831388eea45cSKlaus Jensen return; 831488eea45cSKlaus Jensen } 831588eea45cSKlaus Jensen 831648b32c28SKlaus Jensen qbus_init(&n->bus, sizeof(NvmeBus), TYPE_NVME_BUS, dev, dev->id); 831788eea45cSKlaus Jensen 831888eea45cSKlaus Jensen if (nvme_init_subsys(n, errp)) { 831988eea45cSKlaus Jensen return; 832088eea45cSKlaus Jensen } 83215e6f963fSLukasz Maniak nvme_init_state(n); 8322973f76cfSKlaus Jensen if (!nvme_init_pci(n, pci_dev, errp)) { 83235e6f963fSLukasz Maniak return; 83245e6f963fSLukasz Maniak } 832588eea45cSKlaus Jensen nvme_init_ctrl(n, pci_dev); 832688eea45cSKlaus Jensen 832788eea45cSKlaus Jensen /* setup a namespace if the controller drive property was given */ 832888eea45cSKlaus Jensen if (n->namespace.blkconf.blk) { 832988eea45cSKlaus Jensen ns = &n->namespace; 833088eea45cSKlaus Jensen ns->params.nsid = 1; 833188eea45cSKlaus Jensen 83325e4f6bccSKlaus Jensen if (nvme_ns_setup(ns, errp)) { 833388eea45cSKlaus Jensen return; 833488eea45cSKlaus Jensen } 833588eea45cSKlaus Jensen 833688eea45cSKlaus Jensen nvme_attach_ns(n, ns); 833788eea45cSKlaus Jensen } 833888eea45cSKlaus Jensen } 833988eea45cSKlaus Jensen 834088eea45cSKlaus Jensen static void nvme_exit(PCIDevice *pci_dev) 834188eea45cSKlaus Jensen { 834288eea45cSKlaus Jensen NvmeCtrl *n = NVME(pci_dev); 834388eea45cSKlaus Jensen NvmeNamespace *ns; 834488eea45cSKlaus Jensen int i; 834588eea45cSKlaus Jensen 83461e9c685eSŁukasz Gieryk nvme_ctrl_reset(n, NVME_RESET_FUNCTION); 834788eea45cSKlaus Jensen 83485ffbaeedSKlaus Jensen if (n->subsys) { 834988eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 835088eea45cSKlaus Jensen ns = nvme_ns(n, i); 83515ffbaeedSKlaus Jensen if (ns) { 83525ffbaeedSKlaus Jensen ns->attached--; 83535ffbaeedSKlaus Jensen } 835488eea45cSKlaus Jensen } 835588eea45cSKlaus Jensen 8356b0fde9e8SKlaus Jensen nvme_subsys_unregister_ctrl(n->subsys, n); 8357b0fde9e8SKlaus Jensen } 8358b0fde9e8SKlaus Jensen 835988eea45cSKlaus Jensen g_free(n->cq); 836088eea45cSKlaus Jensen g_free(n->sq); 836188eea45cSKlaus Jensen g_free(n->aer_reqs); 836288eea45cSKlaus Jensen 836388eea45cSKlaus Jensen if (n->params.cmb_size_mb) { 836488eea45cSKlaus Jensen g_free(n->cmb.buf); 836588eea45cSKlaus Jensen } 836688eea45cSKlaus Jensen 836788eea45cSKlaus Jensen if (n->pmr.dev) { 836888eea45cSKlaus Jensen host_memory_backend_set_mapped(n->pmr.dev, false); 836988eea45cSKlaus Jensen } 837044c2c094SLukasz Maniak 837144c2c094SLukasz Maniak if (!pci_is_vf(pci_dev) && n->params.sriov_max_vfs) { 837244c2c094SLukasz Maniak pcie_sriov_pf_exit(pci_dev); 837344c2c094SLukasz Maniak } 837444c2c094SLukasz Maniak 837588eea45cSKlaus Jensen msix_uninit(pci_dev, &n->bar0, &n->bar0); 837688eea45cSKlaus Jensen memory_region_del_subregion(&n->bar0, &n->iomem); 837788eea45cSKlaus Jensen } 837888eea45cSKlaus Jensen 837988eea45cSKlaus Jensen static Property nvme_props[] = { 838088eea45cSKlaus Jensen DEFINE_BLOCK_PROPERTIES(NvmeCtrl, namespace.blkconf), 838188eea45cSKlaus Jensen DEFINE_PROP_LINK("pmrdev", NvmeCtrl, pmr.dev, TYPE_MEMORY_BACKEND, 838288eea45cSKlaus Jensen HostMemoryBackend *), 838388eea45cSKlaus Jensen DEFINE_PROP_LINK("subsys", NvmeCtrl, subsys, TYPE_NVME_SUBSYS, 838488eea45cSKlaus Jensen NvmeSubsystem *), 838588eea45cSKlaus Jensen DEFINE_PROP_STRING("serial", NvmeCtrl, params.serial), 838688eea45cSKlaus Jensen DEFINE_PROP_UINT32("cmb_size_mb", NvmeCtrl, params.cmb_size_mb, 0), 838788eea45cSKlaus Jensen DEFINE_PROP_UINT32("num_queues", NvmeCtrl, params.num_queues, 0), 838888eea45cSKlaus Jensen DEFINE_PROP_UINT32("max_ioqpairs", NvmeCtrl, params.max_ioqpairs, 64), 838988eea45cSKlaus Jensen DEFINE_PROP_UINT16("msix_qsize", NvmeCtrl, params.msix_qsize, 65), 839088eea45cSKlaus Jensen DEFINE_PROP_UINT8("aerl", NvmeCtrl, params.aerl, 3), 839188eea45cSKlaus Jensen DEFINE_PROP_UINT32("aer_max_queued", NvmeCtrl, params.aer_max_queued, 64), 839288eea45cSKlaus Jensen DEFINE_PROP_UINT8("mdts", NvmeCtrl, params.mdts, 7), 839388eea45cSKlaus Jensen DEFINE_PROP_UINT8("vsl", NvmeCtrl, params.vsl, 7), 839488eea45cSKlaus Jensen DEFINE_PROP_BOOL("use-intel-id", NvmeCtrl, params.use_intel_id, false), 839588eea45cSKlaus Jensen DEFINE_PROP_BOOL("legacy-cmb", NvmeCtrl, params.legacy_cmb, false), 8396e2e137f6SKlaus Jensen DEFINE_PROP_BOOL("ioeventfd", NvmeCtrl, params.ioeventfd, false), 839788eea45cSKlaus Jensen DEFINE_PROP_UINT8("zoned.zasl", NvmeCtrl, params.zasl, 0), 8398cccc2651SNiklas Cassel DEFINE_PROP_BOOL("zoned.auto_transition", NvmeCtrl, 8399cccc2651SNiklas Cassel params.auto_transition_zones, true), 840044c2c094SLukasz Maniak DEFINE_PROP_UINT8("sriov_max_vfs", NvmeCtrl, params.sriov_max_vfs, 0), 8401746d42b1SŁukasz Gieryk DEFINE_PROP_UINT16("sriov_vq_flexible", NvmeCtrl, 8402746d42b1SŁukasz Gieryk params.sriov_vq_flexible, 0), 8403746d42b1SŁukasz Gieryk DEFINE_PROP_UINT16("sriov_vi_flexible", NvmeCtrl, 8404746d42b1SŁukasz Gieryk params.sriov_vi_flexible, 0), 8405746d42b1SŁukasz Gieryk DEFINE_PROP_UINT8("sriov_max_vi_per_vf", NvmeCtrl, 8406746d42b1SŁukasz Gieryk params.sriov_max_vi_per_vf, 0), 8407746d42b1SŁukasz Gieryk DEFINE_PROP_UINT8("sriov_max_vq_per_vf", NvmeCtrl, 8408746d42b1SŁukasz Gieryk params.sriov_max_vq_per_vf, 0), 840988eea45cSKlaus Jensen DEFINE_PROP_END_OF_LIST(), 841088eea45cSKlaus Jensen }; 841188eea45cSKlaus Jensen 841288eea45cSKlaus Jensen static void nvme_get_smart_warning(Object *obj, Visitor *v, const char *name, 841388eea45cSKlaus Jensen void *opaque, Error **errp) 841488eea45cSKlaus Jensen { 841588eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 841688eea45cSKlaus Jensen uint8_t value = n->smart_critical_warning; 841788eea45cSKlaus Jensen 841888eea45cSKlaus Jensen visit_type_uint8(v, name, &value, errp); 841988eea45cSKlaus Jensen } 842088eea45cSKlaus Jensen 842188eea45cSKlaus Jensen static void nvme_set_smart_warning(Object *obj, Visitor *v, const char *name, 842288eea45cSKlaus Jensen void *opaque, Error **errp) 842388eea45cSKlaus Jensen { 842488eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 842588eea45cSKlaus Jensen uint8_t value, old_value, cap = 0, index, event; 842688eea45cSKlaus Jensen 842788eea45cSKlaus Jensen if (!visit_type_uint8(v, name, &value, errp)) { 842888eea45cSKlaus Jensen return; 842988eea45cSKlaus Jensen } 843088eea45cSKlaus Jensen 843188eea45cSKlaus Jensen cap = NVME_SMART_SPARE | NVME_SMART_TEMPERATURE | NVME_SMART_RELIABILITY 843288eea45cSKlaus Jensen | NVME_SMART_MEDIA_READ_ONLY | NVME_SMART_FAILED_VOLATILE_MEDIA; 843349e03457SKlaus Jensen if (NVME_CAP_PMRS(ldq_le_p(&n->bar.cap))) { 843488eea45cSKlaus Jensen cap |= NVME_SMART_PMR_UNRELIABLE; 843588eea45cSKlaus Jensen } 843688eea45cSKlaus Jensen 843788eea45cSKlaus Jensen if ((value & cap) != value) { 843888eea45cSKlaus Jensen error_setg(errp, "unsupported smart critical warning bits: 0x%x", 843988eea45cSKlaus Jensen value & ~cap); 844088eea45cSKlaus Jensen return; 844188eea45cSKlaus Jensen } 844288eea45cSKlaus Jensen 844388eea45cSKlaus Jensen old_value = n->smart_critical_warning; 844488eea45cSKlaus Jensen n->smart_critical_warning = value; 844588eea45cSKlaus Jensen 844688eea45cSKlaus Jensen /* only inject new bits of smart critical warning */ 844788eea45cSKlaus Jensen for (index = 0; index < NVME_SMART_WARN_MAX; index++) { 844888eea45cSKlaus Jensen event = 1 << index; 844988eea45cSKlaus Jensen if (value & ~old_value & event) 845088eea45cSKlaus Jensen nvme_smart_event(n, event); 845188eea45cSKlaus Jensen } 845288eea45cSKlaus Jensen } 845388eea45cSKlaus Jensen 84541e9c685eSŁukasz Gieryk static void nvme_pci_reset(DeviceState *qdev) 84551e9c685eSŁukasz Gieryk { 84561e9c685eSŁukasz Gieryk PCIDevice *pci_dev = PCI_DEVICE(qdev); 84571e9c685eSŁukasz Gieryk NvmeCtrl *n = NVME(pci_dev); 84581e9c685eSŁukasz Gieryk 84591e9c685eSŁukasz Gieryk trace_pci_nvme_pci_reset(); 84601e9c685eSŁukasz Gieryk nvme_ctrl_reset(n, NVME_RESET_FUNCTION); 84611e9c685eSŁukasz Gieryk } 84621e9c685eSŁukasz Gieryk 846311871f53SŁukasz Gieryk static void nvme_sriov_pre_write_ctrl(PCIDevice *dev, uint32_t address, 846411871f53SŁukasz Gieryk uint32_t val, int len) 846511871f53SŁukasz Gieryk { 846611871f53SŁukasz Gieryk NvmeCtrl *n = NVME(dev); 846711871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl; 846811871f53SŁukasz Gieryk uint16_t sriov_cap = dev->exp.sriov_cap; 846911871f53SŁukasz Gieryk uint32_t off = address - sriov_cap; 847011871f53SŁukasz Gieryk int i, num_vfs; 847111871f53SŁukasz Gieryk 847211871f53SŁukasz Gieryk if (!sriov_cap) { 847311871f53SŁukasz Gieryk return; 847411871f53SŁukasz Gieryk } 847511871f53SŁukasz Gieryk 847611871f53SŁukasz Gieryk if (range_covers_byte(off, len, PCI_SRIOV_CTRL)) { 847711871f53SŁukasz Gieryk if (!(val & PCI_SRIOV_CTRL_VFE)) { 847811871f53SŁukasz Gieryk num_vfs = pci_get_word(dev->config + sriov_cap + PCI_SRIOV_NUM_VF); 847911871f53SŁukasz Gieryk for (i = 0; i < num_vfs; i++) { 848011871f53SŁukasz Gieryk sctrl = &n->sec_ctrl_list.sec[i]; 848111871f53SŁukasz Gieryk nvme_virt_set_state(n, le16_to_cpu(sctrl->scid), false); 848211871f53SŁukasz Gieryk } 848311871f53SŁukasz Gieryk } 848411871f53SŁukasz Gieryk } 848511871f53SŁukasz Gieryk } 848611871f53SŁukasz Gieryk 84871e9c685eSŁukasz Gieryk static void nvme_pci_write_config(PCIDevice *dev, uint32_t address, 84881e9c685eSŁukasz Gieryk uint32_t val, int len) 84891e9c685eSŁukasz Gieryk { 849011871f53SŁukasz Gieryk nvme_sriov_pre_write_ctrl(dev, address, val, len); 84911e9c685eSŁukasz Gieryk pci_default_write_config(dev, address, val, len); 84921e9c685eSŁukasz Gieryk pcie_cap_flr_write_config(dev, address, val, len); 84931e9c685eSŁukasz Gieryk } 84941e9c685eSŁukasz Gieryk 849588eea45cSKlaus Jensen static const VMStateDescription nvme_vmstate = { 849688eea45cSKlaus Jensen .name = "nvme", 849788eea45cSKlaus Jensen .unmigratable = 1, 849888eea45cSKlaus Jensen }; 849988eea45cSKlaus Jensen 850088eea45cSKlaus Jensen static void nvme_class_init(ObjectClass *oc, void *data) 850188eea45cSKlaus Jensen { 850288eea45cSKlaus Jensen DeviceClass *dc = DEVICE_CLASS(oc); 850388eea45cSKlaus Jensen PCIDeviceClass *pc = PCI_DEVICE_CLASS(oc); 850488eea45cSKlaus Jensen 850588eea45cSKlaus Jensen pc->realize = nvme_realize; 85061e9c685eSŁukasz Gieryk pc->config_write = nvme_pci_write_config; 850788eea45cSKlaus Jensen pc->exit = nvme_exit; 850888eea45cSKlaus Jensen pc->class_id = PCI_CLASS_STORAGE_EXPRESS; 850988eea45cSKlaus Jensen pc->revision = 2; 851088eea45cSKlaus Jensen 851188eea45cSKlaus Jensen set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 851288eea45cSKlaus Jensen dc->desc = "Non-Volatile Memory Express"; 851388eea45cSKlaus Jensen device_class_set_props(dc, nvme_props); 851488eea45cSKlaus Jensen dc->vmsd = &nvme_vmstate; 85151e9c685eSŁukasz Gieryk dc->reset = nvme_pci_reset; 851688eea45cSKlaus Jensen } 851788eea45cSKlaus Jensen 851888eea45cSKlaus Jensen static void nvme_instance_init(Object *obj) 851988eea45cSKlaus Jensen { 852088eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 852188eea45cSKlaus Jensen 852288eea45cSKlaus Jensen device_add_bootindex_property(obj, &n->namespace.blkconf.bootindex, 852388eea45cSKlaus Jensen "bootindex", "/namespace@1,0", 852488eea45cSKlaus Jensen DEVICE(obj)); 852588eea45cSKlaus Jensen 852688eea45cSKlaus Jensen object_property_add(obj, "smart_critical_warning", "uint8", 852788eea45cSKlaus Jensen nvme_get_smart_warning, 852888eea45cSKlaus Jensen nvme_set_smart_warning, NULL, NULL); 852988eea45cSKlaus Jensen } 853088eea45cSKlaus Jensen 853188eea45cSKlaus Jensen static const TypeInfo nvme_info = { 853288eea45cSKlaus Jensen .name = TYPE_NVME, 853388eea45cSKlaus Jensen .parent = TYPE_PCI_DEVICE, 853488eea45cSKlaus Jensen .instance_size = sizeof(NvmeCtrl), 853588eea45cSKlaus Jensen .instance_init = nvme_instance_init, 853688eea45cSKlaus Jensen .class_init = nvme_class_init, 853788eea45cSKlaus Jensen .interfaces = (InterfaceInfo[]) { 853888eea45cSKlaus Jensen { INTERFACE_PCIE_DEVICE }, 853988eea45cSKlaus Jensen { } 854088eea45cSKlaus Jensen }, 854188eea45cSKlaus Jensen }; 854288eea45cSKlaus Jensen 854388eea45cSKlaus Jensen static const TypeInfo nvme_bus_info = { 854488eea45cSKlaus Jensen .name = TYPE_NVME_BUS, 854588eea45cSKlaus Jensen .parent = TYPE_BUS, 854688eea45cSKlaus Jensen .instance_size = sizeof(NvmeBus), 854788eea45cSKlaus Jensen }; 854888eea45cSKlaus Jensen 854988eea45cSKlaus Jensen static void nvme_register_types(void) 855088eea45cSKlaus Jensen { 855188eea45cSKlaus Jensen type_register_static(&nvme_info); 855288eea45cSKlaus Jensen type_register_static(&nvme_bus_info); 855388eea45cSKlaus Jensen } 855488eea45cSKlaus Jensen 855588eea45cSKlaus Jensen type_init(nvme_register_types) 8556