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, 24188eea45cSKlaus Jensen }; 24288eea45cSKlaus Jensen 24388eea45cSKlaus Jensen static const uint32_t nvme_feature_cap[NVME_FID_MAX] = { 24488eea45cSKlaus Jensen [NVME_TEMPERATURE_THRESHOLD] = NVME_FEAT_CAP_CHANGE, 24588eea45cSKlaus Jensen [NVME_ERROR_RECOVERY] = NVME_FEAT_CAP_CHANGE | NVME_FEAT_CAP_NS, 24688eea45cSKlaus Jensen [NVME_VOLATILE_WRITE_CACHE] = NVME_FEAT_CAP_CHANGE, 24788eea45cSKlaus Jensen [NVME_NUMBER_OF_QUEUES] = NVME_FEAT_CAP_CHANGE, 24888eea45cSKlaus Jensen [NVME_ASYNCHRONOUS_EVENT_CONF] = NVME_FEAT_CAP_CHANGE, 24988eea45cSKlaus Jensen [NVME_TIMESTAMP] = NVME_FEAT_CAP_CHANGE, 250d0c0697bSNaveen Nagar [NVME_HOST_BEHAVIOR_SUPPORT] = NVME_FEAT_CAP_CHANGE, 25188eea45cSKlaus Jensen [NVME_COMMAND_SET_PROFILE] = NVME_FEAT_CAP_CHANGE, 25288eea45cSKlaus Jensen }; 25388eea45cSKlaus Jensen 25488eea45cSKlaus Jensen static const uint32_t nvme_cse_acs[256] = { 25588eea45cSKlaus Jensen [NVME_ADM_CMD_DELETE_SQ] = NVME_CMD_EFF_CSUPP, 25688eea45cSKlaus Jensen [NVME_ADM_CMD_CREATE_SQ] = NVME_CMD_EFF_CSUPP, 25788eea45cSKlaus Jensen [NVME_ADM_CMD_GET_LOG_PAGE] = NVME_CMD_EFF_CSUPP, 25888eea45cSKlaus Jensen [NVME_ADM_CMD_DELETE_CQ] = NVME_CMD_EFF_CSUPP, 25988eea45cSKlaus Jensen [NVME_ADM_CMD_CREATE_CQ] = NVME_CMD_EFF_CSUPP, 26088eea45cSKlaus Jensen [NVME_ADM_CMD_IDENTIFY] = NVME_CMD_EFF_CSUPP, 26188eea45cSKlaus Jensen [NVME_ADM_CMD_ABORT] = NVME_CMD_EFF_CSUPP, 26288eea45cSKlaus Jensen [NVME_ADM_CMD_SET_FEATURES] = NVME_CMD_EFF_CSUPP, 26388eea45cSKlaus Jensen [NVME_ADM_CMD_GET_FEATURES] = NVME_CMD_EFF_CSUPP, 26488eea45cSKlaus Jensen [NVME_ADM_CMD_ASYNC_EV_REQ] = NVME_CMD_EFF_CSUPP, 26588eea45cSKlaus Jensen [NVME_ADM_CMD_NS_ATTACHMENT] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_NIC, 26611871f53SŁukasz Gieryk [NVME_ADM_CMD_VIRT_MNGMT] = NVME_CMD_EFF_CSUPP, 2673f7fe8deSJinhao Fan [NVME_ADM_CMD_DBBUF_CONFIG] = NVME_CMD_EFF_CSUPP, 26888eea45cSKlaus Jensen [NVME_ADM_CMD_FORMAT_NVM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 269*e181d3daSGollu Appalanaidu [NVME_ADM_CMD_DIRECTIVE_RECV] = NVME_CMD_EFF_CSUPP, 270*e181d3daSGollu Appalanaidu [NVME_ADM_CMD_DIRECTIVE_SEND] = NVME_CMD_EFF_CSUPP, 27188eea45cSKlaus Jensen }; 27288eea45cSKlaus Jensen 27388eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_none[256]; 27488eea45cSKlaus Jensen 27588eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_nvm[256] = { 27688eea45cSKlaus Jensen [NVME_CMD_FLUSH] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 27788eea45cSKlaus Jensen [NVME_CMD_WRITE_ZEROES] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 27888eea45cSKlaus Jensen [NVME_CMD_WRITE] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 27988eea45cSKlaus Jensen [NVME_CMD_READ] = NVME_CMD_EFF_CSUPP, 28088eea45cSKlaus Jensen [NVME_CMD_DSM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 28188eea45cSKlaus Jensen [NVME_CMD_VERIFY] = NVME_CMD_EFF_CSUPP, 28288eea45cSKlaus Jensen [NVME_CMD_COPY] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 28388eea45cSKlaus Jensen [NVME_CMD_COMPARE] = NVME_CMD_EFF_CSUPP, 28488eea45cSKlaus Jensen }; 28588eea45cSKlaus Jensen 28688eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_zoned[256] = { 28788eea45cSKlaus Jensen [NVME_CMD_FLUSH] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 28888eea45cSKlaus Jensen [NVME_CMD_WRITE_ZEROES] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 28988eea45cSKlaus Jensen [NVME_CMD_WRITE] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 29088eea45cSKlaus Jensen [NVME_CMD_READ] = NVME_CMD_EFF_CSUPP, 29188eea45cSKlaus Jensen [NVME_CMD_DSM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 29288eea45cSKlaus Jensen [NVME_CMD_VERIFY] = NVME_CMD_EFF_CSUPP, 29388eea45cSKlaus Jensen [NVME_CMD_COPY] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 29488eea45cSKlaus Jensen [NVME_CMD_COMPARE] = NVME_CMD_EFF_CSUPP, 29588eea45cSKlaus Jensen [NVME_CMD_ZONE_APPEND] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 29688eea45cSKlaus Jensen [NVME_CMD_ZONE_MGMT_SEND] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 29788eea45cSKlaus Jensen [NVME_CMD_ZONE_MGMT_RECV] = NVME_CMD_EFF_CSUPP, 29888eea45cSKlaus Jensen }; 29988eea45cSKlaus Jensen 30088eea45cSKlaus Jensen static void nvme_process_sq(void *opaque); 30111871f53SŁukasz Gieryk static void nvme_ctrl_reset(NvmeCtrl *n, NvmeResetType rst); 30288eea45cSKlaus Jensen 30388eea45cSKlaus Jensen static uint16_t nvme_sqid(NvmeRequest *req) 30488eea45cSKlaus Jensen { 30588eea45cSKlaus Jensen return le16_to_cpu(req->sq->sqid); 30688eea45cSKlaus Jensen } 30788eea45cSKlaus Jensen 30888eea45cSKlaus Jensen static void nvme_assign_zone_state(NvmeNamespace *ns, NvmeZone *zone, 30988eea45cSKlaus Jensen NvmeZoneState state) 31088eea45cSKlaus Jensen { 31188eea45cSKlaus Jensen if (QTAILQ_IN_USE(zone, entry)) { 31288eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 31388eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 31488eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->exp_open_zones, zone, entry); 31588eea45cSKlaus Jensen break; 31688eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 31788eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->imp_open_zones, zone, entry); 31888eea45cSKlaus Jensen break; 31988eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 32088eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->closed_zones, zone, entry); 32188eea45cSKlaus Jensen break; 32288eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 32388eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->full_zones, zone, entry); 32488eea45cSKlaus Jensen default: 32588eea45cSKlaus Jensen ; 32688eea45cSKlaus Jensen } 32788eea45cSKlaus Jensen } 32888eea45cSKlaus Jensen 32988eea45cSKlaus Jensen nvme_set_zone_state(zone, state); 33088eea45cSKlaus Jensen 33188eea45cSKlaus Jensen switch (state) { 33288eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 33388eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->exp_open_zones, zone, entry); 33488eea45cSKlaus Jensen break; 33588eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 33688eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->imp_open_zones, zone, entry); 33788eea45cSKlaus Jensen break; 33888eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 33988eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->closed_zones, zone, entry); 34088eea45cSKlaus Jensen break; 34188eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 34288eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->full_zones, zone, entry); 34388eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 34488eea45cSKlaus Jensen break; 34588eea45cSKlaus Jensen default: 34688eea45cSKlaus Jensen zone->d.za = 0; 34788eea45cSKlaus Jensen } 34888eea45cSKlaus Jensen } 34988eea45cSKlaus Jensen 350e321b4cdSKlaus Jensen static uint16_t nvme_zns_check_resources(NvmeNamespace *ns, uint32_t act, 351e321b4cdSKlaus Jensen uint32_t opn, uint32_t zrwa) 35288eea45cSKlaus Jensen { 35388eea45cSKlaus Jensen if (ns->params.max_active_zones != 0 && 35488eea45cSKlaus Jensen ns->nr_active_zones + act > ns->params.max_active_zones) { 35588eea45cSKlaus Jensen trace_pci_nvme_err_insuff_active_res(ns->params.max_active_zones); 35688eea45cSKlaus Jensen return NVME_ZONE_TOO_MANY_ACTIVE | NVME_DNR; 35788eea45cSKlaus Jensen } 358e321b4cdSKlaus Jensen 35988eea45cSKlaus Jensen if (ns->params.max_open_zones != 0 && 36088eea45cSKlaus Jensen ns->nr_open_zones + opn > ns->params.max_open_zones) { 36188eea45cSKlaus Jensen trace_pci_nvme_err_insuff_open_res(ns->params.max_open_zones); 36288eea45cSKlaus Jensen return NVME_ZONE_TOO_MANY_OPEN | NVME_DNR; 36388eea45cSKlaus Jensen } 36488eea45cSKlaus Jensen 365e321b4cdSKlaus Jensen if (zrwa > ns->zns.numzrwa) { 366e321b4cdSKlaus Jensen return NVME_NOZRWA | NVME_DNR; 367e321b4cdSKlaus Jensen } 368e321b4cdSKlaus Jensen 36988eea45cSKlaus Jensen return NVME_SUCCESS; 37088eea45cSKlaus Jensen } 37188eea45cSKlaus Jensen 372e321b4cdSKlaus Jensen /* 373e321b4cdSKlaus Jensen * Check if we can open a zone without exceeding open/active limits. 374e321b4cdSKlaus Jensen * AOR stands for "Active and Open Resources" (see TP 4053 section 2.5). 375e321b4cdSKlaus Jensen */ 376e321b4cdSKlaus Jensen static uint16_t nvme_aor_check(NvmeNamespace *ns, uint32_t act, uint32_t opn) 377e321b4cdSKlaus Jensen { 378e321b4cdSKlaus Jensen return nvme_zns_check_resources(ns, act, opn, 0); 379e321b4cdSKlaus Jensen } 380e321b4cdSKlaus Jensen 38188eea45cSKlaus Jensen static bool nvme_addr_is_cmb(NvmeCtrl *n, hwaddr addr) 38288eea45cSKlaus Jensen { 38388eea45cSKlaus Jensen hwaddr hi, lo; 38488eea45cSKlaus Jensen 38588eea45cSKlaus Jensen if (!n->cmb.cmse) { 38688eea45cSKlaus Jensen return false; 38788eea45cSKlaus Jensen } 38888eea45cSKlaus Jensen 38988eea45cSKlaus Jensen lo = n->params.legacy_cmb ? n->cmb.mem.addr : n->cmb.cba; 39088eea45cSKlaus Jensen hi = lo + int128_get64(n->cmb.mem.size); 39188eea45cSKlaus Jensen 39288eea45cSKlaus Jensen return addr >= lo && addr < hi; 39388eea45cSKlaus Jensen } 39488eea45cSKlaus Jensen 39588eea45cSKlaus Jensen static inline void *nvme_addr_to_cmb(NvmeCtrl *n, hwaddr addr) 39688eea45cSKlaus Jensen { 39788eea45cSKlaus Jensen hwaddr base = n->params.legacy_cmb ? n->cmb.mem.addr : n->cmb.cba; 39888eea45cSKlaus Jensen return &n->cmb.buf[addr - base]; 39988eea45cSKlaus Jensen } 40088eea45cSKlaus Jensen 40188eea45cSKlaus Jensen static bool nvme_addr_is_pmr(NvmeCtrl *n, hwaddr addr) 40288eea45cSKlaus Jensen { 40388eea45cSKlaus Jensen hwaddr hi; 40488eea45cSKlaus Jensen 40588eea45cSKlaus Jensen if (!n->pmr.cmse) { 40688eea45cSKlaus Jensen return false; 40788eea45cSKlaus Jensen } 40888eea45cSKlaus Jensen 40988eea45cSKlaus Jensen hi = n->pmr.cba + int128_get64(n->pmr.dev->mr.size); 41088eea45cSKlaus Jensen 41188eea45cSKlaus Jensen return addr >= n->pmr.cba && addr < hi; 41288eea45cSKlaus Jensen } 41388eea45cSKlaus Jensen 41488eea45cSKlaus Jensen static inline void *nvme_addr_to_pmr(NvmeCtrl *n, hwaddr addr) 41588eea45cSKlaus Jensen { 41688eea45cSKlaus Jensen return memory_region_get_ram_ptr(&n->pmr.dev->mr) + (addr - n->pmr.cba); 41788eea45cSKlaus Jensen } 41888eea45cSKlaus Jensen 419736b0164SKlaus Jensen static inline bool nvme_addr_is_iomem(NvmeCtrl *n, hwaddr addr) 420736b0164SKlaus Jensen { 421736b0164SKlaus Jensen hwaddr hi, lo; 422736b0164SKlaus Jensen 423736b0164SKlaus Jensen /* 424736b0164SKlaus Jensen * The purpose of this check is to guard against invalid "local" access to 425736b0164SKlaus Jensen * the iomem (i.e. controller registers). Thus, we check against the range 426736b0164SKlaus Jensen * covered by the 'bar0' MemoryRegion since that is currently composed of 427736b0164SKlaus Jensen * two subregions (the NVMe "MBAR" and the MSI-X table/pba). Note, however, 428736b0164SKlaus Jensen * that if the device model is ever changed to allow the CMB to be located 429736b0164SKlaus Jensen * in BAR0 as well, then this must be changed. 430736b0164SKlaus Jensen */ 431736b0164SKlaus Jensen lo = n->bar0.addr; 432736b0164SKlaus Jensen hi = lo + int128_get64(n->bar0.size); 433736b0164SKlaus Jensen 434736b0164SKlaus Jensen return addr >= lo && addr < hi; 435736b0164SKlaus Jensen } 436736b0164SKlaus Jensen 43788eea45cSKlaus Jensen static int nvme_addr_read(NvmeCtrl *n, hwaddr addr, void *buf, int size) 43888eea45cSKlaus Jensen { 43988eea45cSKlaus Jensen hwaddr hi = addr + size - 1; 44088eea45cSKlaus Jensen if (hi < addr) { 44188eea45cSKlaus Jensen return 1; 44288eea45cSKlaus Jensen } 44388eea45cSKlaus Jensen 44488eea45cSKlaus Jensen if (n->bar.cmbsz && nvme_addr_is_cmb(n, addr) && nvme_addr_is_cmb(n, hi)) { 44588eea45cSKlaus Jensen memcpy(buf, nvme_addr_to_cmb(n, addr), size); 44688eea45cSKlaus Jensen return 0; 44788eea45cSKlaus Jensen } 44888eea45cSKlaus Jensen 44988eea45cSKlaus Jensen if (nvme_addr_is_pmr(n, addr) && nvme_addr_is_pmr(n, hi)) { 45088eea45cSKlaus Jensen memcpy(buf, nvme_addr_to_pmr(n, addr), size); 45188eea45cSKlaus Jensen return 0; 45288eea45cSKlaus Jensen } 45388eea45cSKlaus Jensen 45448b32c28SKlaus Jensen return pci_dma_read(PCI_DEVICE(n), addr, buf, size); 45588eea45cSKlaus Jensen } 45688eea45cSKlaus Jensen 457e080ce86SPhilippe Mathieu-Daudé static int nvme_addr_write(NvmeCtrl *n, hwaddr addr, const void *buf, int size) 45888eea45cSKlaus Jensen { 45988eea45cSKlaus Jensen hwaddr hi = addr + size - 1; 46088eea45cSKlaus Jensen if (hi < addr) { 46188eea45cSKlaus Jensen return 1; 46288eea45cSKlaus Jensen } 46388eea45cSKlaus Jensen 46488eea45cSKlaus Jensen if (n->bar.cmbsz && nvme_addr_is_cmb(n, addr) && nvme_addr_is_cmb(n, hi)) { 46588eea45cSKlaus Jensen memcpy(nvme_addr_to_cmb(n, addr), buf, size); 46688eea45cSKlaus Jensen return 0; 46788eea45cSKlaus Jensen } 46888eea45cSKlaus Jensen 46988eea45cSKlaus Jensen if (nvme_addr_is_pmr(n, addr) && nvme_addr_is_pmr(n, hi)) { 47088eea45cSKlaus Jensen memcpy(nvme_addr_to_pmr(n, addr), buf, size); 47188eea45cSKlaus Jensen return 0; 47288eea45cSKlaus Jensen } 47388eea45cSKlaus Jensen 47448b32c28SKlaus Jensen return pci_dma_write(PCI_DEVICE(n), addr, buf, size); 47588eea45cSKlaus Jensen } 47688eea45cSKlaus Jensen 47788eea45cSKlaus Jensen static bool nvme_nsid_valid(NvmeCtrl *n, uint32_t nsid) 47888eea45cSKlaus Jensen { 47988eea45cSKlaus Jensen return nsid && 48088eea45cSKlaus Jensen (nsid == NVME_NSID_BROADCAST || nsid <= NVME_MAX_NAMESPACES); 48188eea45cSKlaus Jensen } 48288eea45cSKlaus Jensen 48388eea45cSKlaus Jensen static int nvme_check_sqid(NvmeCtrl *n, uint16_t sqid) 48488eea45cSKlaus Jensen { 485decc0261SŁukasz Gieryk return sqid < n->conf_ioqpairs + 1 && n->sq[sqid] != NULL ? 0 : -1; 48688eea45cSKlaus Jensen } 48788eea45cSKlaus Jensen 48888eea45cSKlaus Jensen static int nvme_check_cqid(NvmeCtrl *n, uint16_t cqid) 48988eea45cSKlaus Jensen { 490decc0261SŁukasz Gieryk return cqid < n->conf_ioqpairs + 1 && n->cq[cqid] != NULL ? 0 : -1; 49188eea45cSKlaus Jensen } 49288eea45cSKlaus Jensen 49388eea45cSKlaus Jensen static void nvme_inc_cq_tail(NvmeCQueue *cq) 49488eea45cSKlaus Jensen { 49588eea45cSKlaus Jensen cq->tail++; 49688eea45cSKlaus Jensen if (cq->tail >= cq->size) { 49788eea45cSKlaus Jensen cq->tail = 0; 49888eea45cSKlaus Jensen cq->phase = !cq->phase; 49988eea45cSKlaus Jensen } 50088eea45cSKlaus Jensen } 50188eea45cSKlaus Jensen 50288eea45cSKlaus Jensen static void nvme_inc_sq_head(NvmeSQueue *sq) 50388eea45cSKlaus Jensen { 50488eea45cSKlaus Jensen sq->head = (sq->head + 1) % sq->size; 50588eea45cSKlaus Jensen } 50688eea45cSKlaus Jensen 50788eea45cSKlaus Jensen static uint8_t nvme_cq_full(NvmeCQueue *cq) 50888eea45cSKlaus Jensen { 50988eea45cSKlaus Jensen return (cq->tail + 1) % cq->size == cq->head; 51088eea45cSKlaus Jensen } 51188eea45cSKlaus Jensen 51288eea45cSKlaus Jensen static uint8_t nvme_sq_empty(NvmeSQueue *sq) 51388eea45cSKlaus Jensen { 51488eea45cSKlaus Jensen return sq->head == sq->tail; 51588eea45cSKlaus Jensen } 51688eea45cSKlaus Jensen 51788eea45cSKlaus Jensen static void nvme_irq_check(NvmeCtrl *n) 51888eea45cSKlaus Jensen { 51948b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 52049e03457SKlaus Jensen uint32_t intms = ldl_le_p(&n->bar.intms); 52149e03457SKlaus Jensen 52248b32c28SKlaus Jensen if (msix_enabled(pci)) { 52388eea45cSKlaus Jensen return; 52488eea45cSKlaus Jensen } 52549e03457SKlaus Jensen if (~intms & n->irq_status) { 52648b32c28SKlaus Jensen pci_irq_assert(pci); 52788eea45cSKlaus Jensen } else { 52848b32c28SKlaus Jensen pci_irq_deassert(pci); 52988eea45cSKlaus Jensen } 53088eea45cSKlaus Jensen } 53188eea45cSKlaus Jensen 53288eea45cSKlaus Jensen static void nvme_irq_assert(NvmeCtrl *n, NvmeCQueue *cq) 53388eea45cSKlaus Jensen { 53448b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 53548b32c28SKlaus Jensen 53688eea45cSKlaus Jensen if (cq->irq_enabled) { 53748b32c28SKlaus Jensen if (msix_enabled(pci)) { 53888eea45cSKlaus Jensen trace_pci_nvme_irq_msix(cq->vector); 53948b32c28SKlaus Jensen msix_notify(pci, cq->vector); 54088eea45cSKlaus Jensen } else { 54188eea45cSKlaus Jensen trace_pci_nvme_irq_pin(); 54288eea45cSKlaus Jensen assert(cq->vector < 32); 54388eea45cSKlaus Jensen n->irq_status |= 1 << cq->vector; 54488eea45cSKlaus Jensen nvme_irq_check(n); 54588eea45cSKlaus Jensen } 54688eea45cSKlaus Jensen } else { 54788eea45cSKlaus Jensen trace_pci_nvme_irq_masked(); 54888eea45cSKlaus Jensen } 54988eea45cSKlaus Jensen } 55088eea45cSKlaus Jensen 55188eea45cSKlaus Jensen static void nvme_irq_deassert(NvmeCtrl *n, NvmeCQueue *cq) 55288eea45cSKlaus Jensen { 55388eea45cSKlaus Jensen if (cq->irq_enabled) { 55448b32c28SKlaus Jensen if (msix_enabled(PCI_DEVICE(n))) { 55588eea45cSKlaus Jensen return; 55688eea45cSKlaus Jensen } else { 55788eea45cSKlaus Jensen assert(cq->vector < 32); 55883d7ed5cSKlaus Jensen if (!n->cq_pending) { 55988eea45cSKlaus Jensen n->irq_status &= ~(1 << cq->vector); 56083d7ed5cSKlaus Jensen } 56188eea45cSKlaus Jensen nvme_irq_check(n); 56288eea45cSKlaus Jensen } 56388eea45cSKlaus Jensen } 56488eea45cSKlaus Jensen } 56588eea45cSKlaus Jensen 56688eea45cSKlaus Jensen static void nvme_req_clear(NvmeRequest *req) 56788eea45cSKlaus Jensen { 56888eea45cSKlaus Jensen req->ns = NULL; 56988eea45cSKlaus Jensen req->opaque = NULL; 57088eea45cSKlaus Jensen req->aiocb = NULL; 57188eea45cSKlaus Jensen memset(&req->cqe, 0x0, sizeof(req->cqe)); 57288eea45cSKlaus Jensen req->status = NVME_SUCCESS; 57388eea45cSKlaus Jensen } 57488eea45cSKlaus Jensen 57588eea45cSKlaus Jensen static inline void nvme_sg_init(NvmeCtrl *n, NvmeSg *sg, bool dma) 57688eea45cSKlaus Jensen { 57788eea45cSKlaus Jensen if (dma) { 57848b32c28SKlaus Jensen pci_dma_sglist_init(&sg->qsg, PCI_DEVICE(n), 0); 57988eea45cSKlaus Jensen sg->flags = NVME_SG_DMA; 58088eea45cSKlaus Jensen } else { 58188eea45cSKlaus Jensen qemu_iovec_init(&sg->iov, 0); 58288eea45cSKlaus Jensen } 58388eea45cSKlaus Jensen 58488eea45cSKlaus Jensen sg->flags |= NVME_SG_ALLOC; 58588eea45cSKlaus Jensen } 58688eea45cSKlaus Jensen 58788eea45cSKlaus Jensen static inline void nvme_sg_unmap(NvmeSg *sg) 58888eea45cSKlaus Jensen { 58988eea45cSKlaus Jensen if (!(sg->flags & NVME_SG_ALLOC)) { 59088eea45cSKlaus Jensen return; 59188eea45cSKlaus Jensen } 59288eea45cSKlaus Jensen 59388eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 59488eea45cSKlaus Jensen qemu_sglist_destroy(&sg->qsg); 59588eea45cSKlaus Jensen } else { 59688eea45cSKlaus Jensen qemu_iovec_destroy(&sg->iov); 59788eea45cSKlaus Jensen } 59888eea45cSKlaus Jensen 59988eea45cSKlaus Jensen memset(sg, 0x0, sizeof(*sg)); 60088eea45cSKlaus Jensen } 60188eea45cSKlaus Jensen 60288eea45cSKlaus Jensen /* 60388eea45cSKlaus Jensen * When metadata is transfered as extended LBAs, the DPTR mapped into `sg` 60488eea45cSKlaus Jensen * holds both data and metadata. This function splits the data and metadata 60588eea45cSKlaus Jensen * into two separate QSG/IOVs. 60688eea45cSKlaus Jensen */ 60788eea45cSKlaus Jensen static void nvme_sg_split(NvmeSg *sg, NvmeNamespace *ns, NvmeSg *data, 60888eea45cSKlaus Jensen NvmeSg *mdata) 60988eea45cSKlaus Jensen { 61088eea45cSKlaus Jensen NvmeSg *dst = data; 61188eea45cSKlaus Jensen uint32_t trans_len, count = ns->lbasz; 61288eea45cSKlaus Jensen uint64_t offset = 0; 61388eea45cSKlaus Jensen bool dma = sg->flags & NVME_SG_DMA; 61488eea45cSKlaus Jensen size_t sge_len; 61588eea45cSKlaus Jensen size_t sg_len = dma ? sg->qsg.size : sg->iov.size; 61688eea45cSKlaus Jensen int sg_idx = 0; 61788eea45cSKlaus Jensen 61888eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 61988eea45cSKlaus Jensen 62088eea45cSKlaus Jensen while (sg_len) { 62188eea45cSKlaus Jensen sge_len = dma ? sg->qsg.sg[sg_idx].len : sg->iov.iov[sg_idx].iov_len; 62288eea45cSKlaus Jensen 62388eea45cSKlaus Jensen trans_len = MIN(sg_len, count); 62488eea45cSKlaus Jensen trans_len = MIN(trans_len, sge_len - offset); 62588eea45cSKlaus Jensen 62688eea45cSKlaus Jensen if (dst) { 62788eea45cSKlaus Jensen if (dma) { 62888eea45cSKlaus Jensen qemu_sglist_add(&dst->qsg, sg->qsg.sg[sg_idx].base + offset, 62988eea45cSKlaus Jensen trans_len); 63088eea45cSKlaus Jensen } else { 63188eea45cSKlaus Jensen qemu_iovec_add(&dst->iov, 63288eea45cSKlaus Jensen sg->iov.iov[sg_idx].iov_base + offset, 63388eea45cSKlaus Jensen trans_len); 63488eea45cSKlaus Jensen } 63588eea45cSKlaus Jensen } 63688eea45cSKlaus Jensen 63788eea45cSKlaus Jensen sg_len -= trans_len; 63888eea45cSKlaus Jensen count -= trans_len; 63988eea45cSKlaus Jensen offset += trans_len; 64088eea45cSKlaus Jensen 64188eea45cSKlaus Jensen if (count == 0) { 64288eea45cSKlaus Jensen dst = (dst == data) ? mdata : data; 64388eea45cSKlaus Jensen count = (dst == data) ? ns->lbasz : ns->lbaf.ms; 64488eea45cSKlaus Jensen } 64588eea45cSKlaus Jensen 64688eea45cSKlaus Jensen if (sge_len == offset) { 64788eea45cSKlaus Jensen offset = 0; 64888eea45cSKlaus Jensen sg_idx++; 64988eea45cSKlaus Jensen } 65088eea45cSKlaus Jensen } 65188eea45cSKlaus Jensen } 65288eea45cSKlaus Jensen 65388eea45cSKlaus Jensen static uint16_t nvme_map_addr_cmb(NvmeCtrl *n, QEMUIOVector *iov, hwaddr addr, 65488eea45cSKlaus Jensen size_t len) 65588eea45cSKlaus Jensen { 65688eea45cSKlaus Jensen if (!len) { 65788eea45cSKlaus Jensen return NVME_SUCCESS; 65888eea45cSKlaus Jensen } 65988eea45cSKlaus Jensen 66088eea45cSKlaus Jensen trace_pci_nvme_map_addr_cmb(addr, len); 66188eea45cSKlaus Jensen 66288eea45cSKlaus Jensen if (!nvme_addr_is_cmb(n, addr) || !nvme_addr_is_cmb(n, addr + len - 1)) { 66388eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 66488eea45cSKlaus Jensen } 66588eea45cSKlaus Jensen 66688eea45cSKlaus Jensen qemu_iovec_add(iov, nvme_addr_to_cmb(n, addr), len); 66788eea45cSKlaus Jensen 66888eea45cSKlaus Jensen return NVME_SUCCESS; 66988eea45cSKlaus Jensen } 67088eea45cSKlaus Jensen 67188eea45cSKlaus Jensen static uint16_t nvme_map_addr_pmr(NvmeCtrl *n, QEMUIOVector *iov, hwaddr addr, 67288eea45cSKlaus Jensen size_t len) 67388eea45cSKlaus Jensen { 67488eea45cSKlaus Jensen if (!len) { 67588eea45cSKlaus Jensen return NVME_SUCCESS; 67688eea45cSKlaus Jensen } 67788eea45cSKlaus Jensen 67888eea45cSKlaus Jensen if (!nvme_addr_is_pmr(n, addr) || !nvme_addr_is_pmr(n, addr + len - 1)) { 67988eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 68088eea45cSKlaus Jensen } 68188eea45cSKlaus Jensen 68288eea45cSKlaus Jensen qemu_iovec_add(iov, nvme_addr_to_pmr(n, addr), len); 68388eea45cSKlaus Jensen 68488eea45cSKlaus Jensen return NVME_SUCCESS; 68588eea45cSKlaus Jensen } 68688eea45cSKlaus Jensen 68788eea45cSKlaus Jensen static uint16_t nvme_map_addr(NvmeCtrl *n, NvmeSg *sg, hwaddr addr, size_t len) 68888eea45cSKlaus Jensen { 68988eea45cSKlaus Jensen bool cmb = false, pmr = false; 69088eea45cSKlaus Jensen 69188eea45cSKlaus Jensen if (!len) { 69288eea45cSKlaus Jensen return NVME_SUCCESS; 69388eea45cSKlaus Jensen } 69488eea45cSKlaus Jensen 69588eea45cSKlaus Jensen trace_pci_nvme_map_addr(addr, len); 69688eea45cSKlaus Jensen 697736b0164SKlaus Jensen if (nvme_addr_is_iomem(n, addr)) { 698736b0164SKlaus Jensen return NVME_DATA_TRAS_ERROR; 699736b0164SKlaus Jensen } 700736b0164SKlaus Jensen 70188eea45cSKlaus Jensen if (nvme_addr_is_cmb(n, addr)) { 70288eea45cSKlaus Jensen cmb = true; 70388eea45cSKlaus Jensen } else if (nvme_addr_is_pmr(n, addr)) { 70488eea45cSKlaus Jensen pmr = true; 70588eea45cSKlaus Jensen } 70688eea45cSKlaus Jensen 70788eea45cSKlaus Jensen if (cmb || pmr) { 70888eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 70988eea45cSKlaus Jensen return NVME_INVALID_USE_OF_CMB | NVME_DNR; 71088eea45cSKlaus Jensen } 71188eea45cSKlaus Jensen 71223421473SPadmakar Kalghatgi if (sg->iov.niov + 1 > IOV_MAX) { 71323421473SPadmakar Kalghatgi goto max_mappings_exceeded; 71423421473SPadmakar Kalghatgi } 71523421473SPadmakar Kalghatgi 71688eea45cSKlaus Jensen if (cmb) { 71788eea45cSKlaus Jensen return nvme_map_addr_cmb(n, &sg->iov, addr, len); 71888eea45cSKlaus Jensen } else { 71988eea45cSKlaus Jensen return nvme_map_addr_pmr(n, &sg->iov, addr, len); 72088eea45cSKlaus Jensen } 72188eea45cSKlaus Jensen } 72288eea45cSKlaus Jensen 72388eea45cSKlaus Jensen if (!(sg->flags & NVME_SG_DMA)) { 72488eea45cSKlaus Jensen return NVME_INVALID_USE_OF_CMB | NVME_DNR; 72588eea45cSKlaus Jensen } 72688eea45cSKlaus Jensen 72723421473SPadmakar Kalghatgi if (sg->qsg.nsg + 1 > IOV_MAX) { 72823421473SPadmakar Kalghatgi goto max_mappings_exceeded; 72923421473SPadmakar Kalghatgi } 73023421473SPadmakar Kalghatgi 73188eea45cSKlaus Jensen qemu_sglist_add(&sg->qsg, addr, len); 73288eea45cSKlaus Jensen 73388eea45cSKlaus Jensen return NVME_SUCCESS; 73423421473SPadmakar Kalghatgi 73523421473SPadmakar Kalghatgi max_mappings_exceeded: 73623421473SPadmakar Kalghatgi NVME_GUEST_ERR(pci_nvme_ub_too_many_mappings, 73723421473SPadmakar Kalghatgi "number of mappings exceed 1024"); 73823421473SPadmakar Kalghatgi return NVME_INTERNAL_DEV_ERROR | NVME_DNR; 73988eea45cSKlaus Jensen } 74088eea45cSKlaus Jensen 74188eea45cSKlaus Jensen static inline bool nvme_addr_is_dma(NvmeCtrl *n, hwaddr addr) 74288eea45cSKlaus Jensen { 74388eea45cSKlaus Jensen return !(nvme_addr_is_cmb(n, addr) || nvme_addr_is_pmr(n, addr)); 74488eea45cSKlaus Jensen } 74588eea45cSKlaus Jensen 74688eea45cSKlaus Jensen static uint16_t nvme_map_prp(NvmeCtrl *n, NvmeSg *sg, uint64_t prp1, 74788eea45cSKlaus Jensen uint64_t prp2, uint32_t len) 74888eea45cSKlaus Jensen { 74988eea45cSKlaus Jensen hwaddr trans_len = n->page_size - (prp1 % n->page_size); 75088eea45cSKlaus Jensen trans_len = MIN(len, trans_len); 75188eea45cSKlaus Jensen int num_prps = (len >> n->page_bits) + 1; 75288eea45cSKlaus Jensen uint16_t status; 75388eea45cSKlaus Jensen int ret; 75488eea45cSKlaus Jensen 75588eea45cSKlaus Jensen trace_pci_nvme_map_prp(trans_len, len, prp1, prp2, num_prps); 75688eea45cSKlaus Jensen 75788eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, prp1)); 75888eea45cSKlaus Jensen 75988eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp1, trans_len); 76088eea45cSKlaus Jensen if (status) { 76188eea45cSKlaus Jensen goto unmap; 76288eea45cSKlaus Jensen } 76388eea45cSKlaus Jensen 76488eea45cSKlaus Jensen len -= trans_len; 76588eea45cSKlaus Jensen if (len) { 76688eea45cSKlaus Jensen if (len > n->page_size) { 76788eea45cSKlaus Jensen uint64_t prp_list[n->max_prp_ents]; 76888eea45cSKlaus Jensen uint32_t nents, prp_trans; 76988eea45cSKlaus Jensen int i = 0; 77088eea45cSKlaus Jensen 77188eea45cSKlaus Jensen /* 77288eea45cSKlaus Jensen * The first PRP list entry, pointed to by PRP2 may contain offset. 77388eea45cSKlaus Jensen * Hence, we need to calculate the number of entries in based on 77488eea45cSKlaus Jensen * that offset. 77588eea45cSKlaus Jensen */ 77688eea45cSKlaus Jensen nents = (n->page_size - (prp2 & (n->page_size - 1))) >> 3; 77788eea45cSKlaus Jensen prp_trans = MIN(n->max_prp_ents, nents) * sizeof(uint64_t); 77888eea45cSKlaus Jensen ret = nvme_addr_read(n, prp2, (void *)prp_list, prp_trans); 77988eea45cSKlaus Jensen if (ret) { 78088eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(prp2); 78188eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 78288eea45cSKlaus Jensen goto unmap; 78388eea45cSKlaus Jensen } 78488eea45cSKlaus Jensen while (len != 0) { 78588eea45cSKlaus Jensen uint64_t prp_ent = le64_to_cpu(prp_list[i]); 78688eea45cSKlaus Jensen 78788eea45cSKlaus Jensen if (i == nents - 1 && len > n->page_size) { 78888eea45cSKlaus Jensen if (unlikely(prp_ent & (n->page_size - 1))) { 78988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prplist_ent(prp_ent); 79088eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 79188eea45cSKlaus Jensen goto unmap; 79288eea45cSKlaus Jensen } 79388eea45cSKlaus Jensen 79488eea45cSKlaus Jensen i = 0; 79588eea45cSKlaus Jensen nents = (len + n->page_size - 1) >> n->page_bits; 79688eea45cSKlaus Jensen nents = MIN(nents, n->max_prp_ents); 79788eea45cSKlaus Jensen prp_trans = nents * sizeof(uint64_t); 79888eea45cSKlaus Jensen ret = nvme_addr_read(n, prp_ent, (void *)prp_list, 79988eea45cSKlaus Jensen prp_trans); 80088eea45cSKlaus Jensen if (ret) { 80188eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(prp_ent); 80288eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 80388eea45cSKlaus Jensen goto unmap; 80488eea45cSKlaus Jensen } 80588eea45cSKlaus Jensen prp_ent = le64_to_cpu(prp_list[i]); 80688eea45cSKlaus Jensen } 80788eea45cSKlaus Jensen 80888eea45cSKlaus Jensen if (unlikely(prp_ent & (n->page_size - 1))) { 80988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prplist_ent(prp_ent); 81088eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 81188eea45cSKlaus Jensen goto unmap; 81288eea45cSKlaus Jensen } 81388eea45cSKlaus Jensen 81488eea45cSKlaus Jensen trans_len = MIN(len, n->page_size); 81588eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp_ent, trans_len); 81688eea45cSKlaus Jensen if (status) { 81788eea45cSKlaus Jensen goto unmap; 81888eea45cSKlaus Jensen } 81988eea45cSKlaus Jensen 82088eea45cSKlaus Jensen len -= trans_len; 82188eea45cSKlaus Jensen i++; 82288eea45cSKlaus Jensen } 82388eea45cSKlaus Jensen } else { 82488eea45cSKlaus Jensen if (unlikely(prp2 & (n->page_size - 1))) { 82588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prp2_align(prp2); 82688eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 82788eea45cSKlaus Jensen goto unmap; 82888eea45cSKlaus Jensen } 82988eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp2, len); 83088eea45cSKlaus Jensen if (status) { 83188eea45cSKlaus Jensen goto unmap; 83288eea45cSKlaus Jensen } 83388eea45cSKlaus Jensen } 83488eea45cSKlaus Jensen } 83588eea45cSKlaus Jensen 83688eea45cSKlaus Jensen return NVME_SUCCESS; 83788eea45cSKlaus Jensen 83888eea45cSKlaus Jensen unmap: 83988eea45cSKlaus Jensen nvme_sg_unmap(sg); 84088eea45cSKlaus Jensen return status; 84188eea45cSKlaus Jensen } 84288eea45cSKlaus Jensen 84388eea45cSKlaus Jensen /* 84488eea45cSKlaus Jensen * Map 'nsgld' data descriptors from 'segment'. The function will subtract the 84588eea45cSKlaus Jensen * number of bytes mapped in len. 84688eea45cSKlaus Jensen */ 84788eea45cSKlaus Jensen static uint16_t nvme_map_sgl_data(NvmeCtrl *n, NvmeSg *sg, 84888eea45cSKlaus Jensen NvmeSglDescriptor *segment, uint64_t nsgld, 84988eea45cSKlaus Jensen size_t *len, NvmeCmd *cmd) 85088eea45cSKlaus Jensen { 85188eea45cSKlaus Jensen dma_addr_t addr, trans_len; 85288eea45cSKlaus Jensen uint32_t dlen; 85388eea45cSKlaus Jensen uint16_t status; 85488eea45cSKlaus Jensen 85588eea45cSKlaus Jensen for (int i = 0; i < nsgld; i++) { 85688eea45cSKlaus Jensen uint8_t type = NVME_SGL_TYPE(segment[i].type); 85788eea45cSKlaus Jensen 85888eea45cSKlaus Jensen switch (type) { 85988eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_DATA_BLOCK: 86088eea45cSKlaus Jensen break; 86188eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_SEGMENT: 86288eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_LAST_SEGMENT: 86388eea45cSKlaus Jensen return NVME_INVALID_NUM_SGL_DESCRS | NVME_DNR; 86488eea45cSKlaus Jensen default: 86588eea45cSKlaus Jensen return NVME_SGL_DESCR_TYPE_INVALID | NVME_DNR; 86688eea45cSKlaus Jensen } 86788eea45cSKlaus Jensen 86888eea45cSKlaus Jensen dlen = le32_to_cpu(segment[i].len); 86988eea45cSKlaus Jensen 87088eea45cSKlaus Jensen if (!dlen) { 87188eea45cSKlaus Jensen continue; 87288eea45cSKlaus Jensen } 87388eea45cSKlaus Jensen 87488eea45cSKlaus Jensen if (*len == 0) { 87588eea45cSKlaus Jensen /* 87688eea45cSKlaus Jensen * All data has been mapped, but the SGL contains additional 87788eea45cSKlaus Jensen * segments and/or descriptors. The controller might accept 87888eea45cSKlaus Jensen * ignoring the rest of the SGL. 87988eea45cSKlaus Jensen */ 88088eea45cSKlaus Jensen uint32_t sgls = le32_to_cpu(n->id_ctrl.sgls); 88188eea45cSKlaus Jensen if (sgls & NVME_CTRL_SGLS_EXCESS_LENGTH) { 88288eea45cSKlaus Jensen break; 88388eea45cSKlaus Jensen } 88488eea45cSKlaus Jensen 88588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_sgl_excess_length(dlen); 88688eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 88788eea45cSKlaus Jensen } 88888eea45cSKlaus Jensen 88988eea45cSKlaus Jensen trans_len = MIN(*len, dlen); 89088eea45cSKlaus Jensen 89188eea45cSKlaus Jensen addr = le64_to_cpu(segment[i].addr); 89288eea45cSKlaus Jensen 89388eea45cSKlaus Jensen if (UINT64_MAX - addr < dlen) { 89488eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 89588eea45cSKlaus Jensen } 89688eea45cSKlaus Jensen 89788eea45cSKlaus Jensen status = nvme_map_addr(n, sg, addr, trans_len); 89888eea45cSKlaus Jensen if (status) { 89988eea45cSKlaus Jensen return status; 90088eea45cSKlaus Jensen } 90188eea45cSKlaus Jensen 90288eea45cSKlaus Jensen *len -= trans_len; 90388eea45cSKlaus Jensen } 90488eea45cSKlaus Jensen 90588eea45cSKlaus Jensen return NVME_SUCCESS; 90688eea45cSKlaus Jensen } 90788eea45cSKlaus Jensen 90888eea45cSKlaus Jensen static uint16_t nvme_map_sgl(NvmeCtrl *n, NvmeSg *sg, NvmeSglDescriptor sgl, 90988eea45cSKlaus Jensen size_t len, NvmeCmd *cmd) 91088eea45cSKlaus Jensen { 91188eea45cSKlaus Jensen /* 91288eea45cSKlaus Jensen * Read the segment in chunks of 256 descriptors (one 4k page) to avoid 91388eea45cSKlaus Jensen * dynamically allocating a potentially huge SGL. The spec allows the SGL 91488eea45cSKlaus Jensen * to be larger (as in number of bytes required to describe the SGL 91588eea45cSKlaus Jensen * descriptors and segment chain) than the command transfer size, so it is 91688eea45cSKlaus Jensen * not bounded by MDTS. 91788eea45cSKlaus Jensen */ 91888eea45cSKlaus Jensen const int SEG_CHUNK_SIZE = 256; 91988eea45cSKlaus Jensen 92088eea45cSKlaus Jensen NvmeSglDescriptor segment[SEG_CHUNK_SIZE], *sgld, *last_sgld; 92188eea45cSKlaus Jensen uint64_t nsgld; 92288eea45cSKlaus Jensen uint32_t seg_len; 92388eea45cSKlaus Jensen uint16_t status; 92488eea45cSKlaus Jensen hwaddr addr; 92588eea45cSKlaus Jensen int ret; 92688eea45cSKlaus Jensen 92788eea45cSKlaus Jensen sgld = &sgl; 92888eea45cSKlaus Jensen addr = le64_to_cpu(sgl.addr); 92988eea45cSKlaus Jensen 93088eea45cSKlaus Jensen trace_pci_nvme_map_sgl(NVME_SGL_TYPE(sgl.type), len); 93188eea45cSKlaus Jensen 93288eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, addr)); 93388eea45cSKlaus Jensen 93488eea45cSKlaus Jensen /* 93588eea45cSKlaus Jensen * If the entire transfer can be described with a single data block it can 93688eea45cSKlaus Jensen * be mapped directly. 93788eea45cSKlaus Jensen */ 93888eea45cSKlaus Jensen if (NVME_SGL_TYPE(sgl.type) == NVME_SGL_DESCR_TYPE_DATA_BLOCK) { 93988eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, sgld, 1, &len, cmd); 94088eea45cSKlaus Jensen if (status) { 94188eea45cSKlaus Jensen goto unmap; 94288eea45cSKlaus Jensen } 94388eea45cSKlaus Jensen 94488eea45cSKlaus Jensen goto out; 94588eea45cSKlaus Jensen } 94688eea45cSKlaus Jensen 94788eea45cSKlaus Jensen for (;;) { 94888eea45cSKlaus Jensen switch (NVME_SGL_TYPE(sgld->type)) { 94988eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_SEGMENT: 95088eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_LAST_SEGMENT: 95188eea45cSKlaus Jensen break; 95288eea45cSKlaus Jensen default: 95388eea45cSKlaus Jensen return NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 95488eea45cSKlaus Jensen } 95588eea45cSKlaus Jensen 95688eea45cSKlaus Jensen seg_len = le32_to_cpu(sgld->len); 95788eea45cSKlaus Jensen 95888eea45cSKlaus Jensen /* check the length of the (Last) Segment descriptor */ 959b9147a3aSKlaus Jensen if (!seg_len || seg_len & 0xf) { 96088eea45cSKlaus Jensen return NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 96188eea45cSKlaus Jensen } 96288eea45cSKlaus Jensen 96388eea45cSKlaus Jensen if (UINT64_MAX - addr < seg_len) { 96488eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 96588eea45cSKlaus Jensen } 96688eea45cSKlaus Jensen 96788eea45cSKlaus Jensen nsgld = seg_len / sizeof(NvmeSglDescriptor); 96888eea45cSKlaus Jensen 96988eea45cSKlaus Jensen while (nsgld > SEG_CHUNK_SIZE) { 97088eea45cSKlaus Jensen if (nvme_addr_read(n, addr, segment, sizeof(segment))) { 97188eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 97288eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 97388eea45cSKlaus Jensen goto unmap; 97488eea45cSKlaus Jensen } 97588eea45cSKlaus Jensen 97688eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, SEG_CHUNK_SIZE, 97788eea45cSKlaus Jensen &len, cmd); 97888eea45cSKlaus Jensen if (status) { 97988eea45cSKlaus Jensen goto unmap; 98088eea45cSKlaus Jensen } 98188eea45cSKlaus Jensen 98288eea45cSKlaus Jensen nsgld -= SEG_CHUNK_SIZE; 98388eea45cSKlaus Jensen addr += SEG_CHUNK_SIZE * sizeof(NvmeSglDescriptor); 98488eea45cSKlaus Jensen } 98588eea45cSKlaus Jensen 98688eea45cSKlaus Jensen ret = nvme_addr_read(n, addr, segment, nsgld * 98788eea45cSKlaus Jensen sizeof(NvmeSglDescriptor)); 98888eea45cSKlaus Jensen if (ret) { 98988eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 99088eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 99188eea45cSKlaus Jensen goto unmap; 99288eea45cSKlaus Jensen } 99388eea45cSKlaus Jensen 99488eea45cSKlaus Jensen last_sgld = &segment[nsgld - 1]; 99588eea45cSKlaus Jensen 99688eea45cSKlaus Jensen /* 997b9147a3aSKlaus Jensen * If the segment ends with a Data Block, then we are done. 99888eea45cSKlaus Jensen */ 999b9147a3aSKlaus Jensen if (NVME_SGL_TYPE(last_sgld->type) == NVME_SGL_DESCR_TYPE_DATA_BLOCK) { 100088eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, nsgld, &len, cmd); 100188eea45cSKlaus Jensen if (status) { 100288eea45cSKlaus Jensen goto unmap; 100388eea45cSKlaus Jensen } 100488eea45cSKlaus Jensen 100588eea45cSKlaus Jensen goto out; 100688eea45cSKlaus Jensen } 100788eea45cSKlaus Jensen 100888eea45cSKlaus Jensen /* 1009b9147a3aSKlaus Jensen * If the last descriptor was not a Data Block, then the current 1010b9147a3aSKlaus Jensen * segment must not be a Last Segment. 101188eea45cSKlaus Jensen */ 101288eea45cSKlaus Jensen if (NVME_SGL_TYPE(sgld->type) == NVME_SGL_DESCR_TYPE_LAST_SEGMENT) { 101388eea45cSKlaus Jensen status = NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 101488eea45cSKlaus Jensen goto unmap; 101588eea45cSKlaus Jensen } 101688eea45cSKlaus Jensen 101788eea45cSKlaus Jensen sgld = last_sgld; 101888eea45cSKlaus Jensen addr = le64_to_cpu(sgld->addr); 101988eea45cSKlaus Jensen 102088eea45cSKlaus Jensen /* 102188eea45cSKlaus Jensen * Do not map the last descriptor; it will be a Segment or Last Segment 102288eea45cSKlaus Jensen * descriptor and is handled by the next iteration. 102388eea45cSKlaus Jensen */ 102488eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, nsgld - 1, &len, cmd); 102588eea45cSKlaus Jensen if (status) { 102688eea45cSKlaus Jensen goto unmap; 102788eea45cSKlaus Jensen } 102888eea45cSKlaus Jensen } 102988eea45cSKlaus Jensen 103088eea45cSKlaus Jensen out: 103188eea45cSKlaus Jensen /* if there is any residual left in len, the SGL was too short */ 103288eea45cSKlaus Jensen if (len) { 103388eea45cSKlaus Jensen status = NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 103488eea45cSKlaus Jensen goto unmap; 103588eea45cSKlaus Jensen } 103688eea45cSKlaus Jensen 103788eea45cSKlaus Jensen return NVME_SUCCESS; 103888eea45cSKlaus Jensen 103988eea45cSKlaus Jensen unmap: 104088eea45cSKlaus Jensen nvme_sg_unmap(sg); 104188eea45cSKlaus Jensen return status; 104288eea45cSKlaus Jensen } 104388eea45cSKlaus Jensen 104488eea45cSKlaus Jensen uint16_t nvme_map_dptr(NvmeCtrl *n, NvmeSg *sg, size_t len, 104588eea45cSKlaus Jensen NvmeCmd *cmd) 104688eea45cSKlaus Jensen { 104788eea45cSKlaus Jensen uint64_t prp1, prp2; 104888eea45cSKlaus Jensen 104988eea45cSKlaus Jensen switch (NVME_CMD_FLAGS_PSDT(cmd->flags)) { 105088eea45cSKlaus Jensen case NVME_PSDT_PRP: 105188eea45cSKlaus Jensen prp1 = le64_to_cpu(cmd->dptr.prp1); 105288eea45cSKlaus Jensen prp2 = le64_to_cpu(cmd->dptr.prp2); 105388eea45cSKlaus Jensen 105488eea45cSKlaus Jensen return nvme_map_prp(n, sg, prp1, prp2, len); 105588eea45cSKlaus Jensen case NVME_PSDT_SGL_MPTR_CONTIGUOUS: 105688eea45cSKlaus Jensen case NVME_PSDT_SGL_MPTR_SGL: 105788eea45cSKlaus Jensen return nvme_map_sgl(n, sg, cmd->dptr.sgl, len, cmd); 105888eea45cSKlaus Jensen default: 105988eea45cSKlaus Jensen return NVME_INVALID_FIELD; 106088eea45cSKlaus Jensen } 106188eea45cSKlaus Jensen } 106288eea45cSKlaus Jensen 106388eea45cSKlaus Jensen static uint16_t nvme_map_mptr(NvmeCtrl *n, NvmeSg *sg, size_t len, 106488eea45cSKlaus Jensen NvmeCmd *cmd) 106588eea45cSKlaus Jensen { 106688eea45cSKlaus Jensen int psdt = NVME_CMD_FLAGS_PSDT(cmd->flags); 106788eea45cSKlaus Jensen hwaddr mptr = le64_to_cpu(cmd->mptr); 106888eea45cSKlaus Jensen uint16_t status; 106988eea45cSKlaus Jensen 107088eea45cSKlaus Jensen if (psdt == NVME_PSDT_SGL_MPTR_SGL) { 107188eea45cSKlaus Jensen NvmeSglDescriptor sgl; 107288eea45cSKlaus Jensen 107388eea45cSKlaus Jensen if (nvme_addr_read(n, mptr, &sgl, sizeof(sgl))) { 107488eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 107588eea45cSKlaus Jensen } 107688eea45cSKlaus Jensen 107788eea45cSKlaus Jensen status = nvme_map_sgl(n, sg, sgl, len, cmd); 107888eea45cSKlaus Jensen if (status && (status & 0x7ff) == NVME_DATA_SGL_LEN_INVALID) { 107988eea45cSKlaus Jensen status = NVME_MD_SGL_LEN_INVALID | NVME_DNR; 108088eea45cSKlaus Jensen } 108188eea45cSKlaus Jensen 108288eea45cSKlaus Jensen return status; 108388eea45cSKlaus Jensen } 108488eea45cSKlaus Jensen 108588eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, mptr)); 108688eea45cSKlaus Jensen status = nvme_map_addr(n, sg, mptr, len); 108788eea45cSKlaus Jensen if (status) { 108888eea45cSKlaus Jensen nvme_sg_unmap(sg); 108988eea45cSKlaus Jensen } 109088eea45cSKlaus Jensen 109188eea45cSKlaus Jensen return status; 109288eea45cSKlaus Jensen } 109388eea45cSKlaus Jensen 109488eea45cSKlaus Jensen static uint16_t nvme_map_data(NvmeCtrl *n, uint32_t nlb, NvmeRequest *req) 109588eea45cSKlaus Jensen { 109688eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 109788eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 10982a132309SKlaus Jensen bool pi = !!NVME_ID_NS_DPS_TYPE(ns->id_ns.dps); 10992a132309SKlaus Jensen bool pract = !!(le16_to_cpu(rw->control) & NVME_RW_PRINFO_PRACT); 110088eea45cSKlaus Jensen size_t len = nvme_l2b(ns, nlb); 110188eea45cSKlaus Jensen uint16_t status; 110288eea45cSKlaus Jensen 1103ac0b34c5SKlaus Jensen if (nvme_ns_ext(ns) && 1104ac0b34c5SKlaus Jensen !(pi && pract && ns->lbaf.ms == nvme_pi_tuple_size(ns))) { 110588eea45cSKlaus Jensen NvmeSg sg; 110688eea45cSKlaus Jensen 110788eea45cSKlaus Jensen len += nvme_m2b(ns, nlb); 110888eea45cSKlaus Jensen 110988eea45cSKlaus Jensen status = nvme_map_dptr(n, &sg, len, &req->cmd); 111088eea45cSKlaus Jensen if (status) { 111188eea45cSKlaus Jensen return status; 111288eea45cSKlaus Jensen } 111388eea45cSKlaus Jensen 111488eea45cSKlaus Jensen nvme_sg_init(n, &req->sg, sg.flags & NVME_SG_DMA); 111588eea45cSKlaus Jensen nvme_sg_split(&sg, ns, &req->sg, NULL); 111688eea45cSKlaus Jensen nvme_sg_unmap(&sg); 111788eea45cSKlaus Jensen 111888eea45cSKlaus Jensen return NVME_SUCCESS; 111988eea45cSKlaus Jensen } 112088eea45cSKlaus Jensen 112188eea45cSKlaus Jensen return nvme_map_dptr(n, &req->sg, len, &req->cmd); 112288eea45cSKlaus Jensen } 112388eea45cSKlaus Jensen 112488eea45cSKlaus Jensen static uint16_t nvme_map_mdata(NvmeCtrl *n, uint32_t nlb, NvmeRequest *req) 112588eea45cSKlaus Jensen { 112688eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 112788eea45cSKlaus Jensen size_t len = nvme_m2b(ns, nlb); 112888eea45cSKlaus Jensen uint16_t status; 112988eea45cSKlaus Jensen 113088eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 113188eea45cSKlaus Jensen NvmeSg sg; 113288eea45cSKlaus Jensen 113388eea45cSKlaus Jensen len += nvme_l2b(ns, nlb); 113488eea45cSKlaus Jensen 113588eea45cSKlaus Jensen status = nvme_map_dptr(n, &sg, len, &req->cmd); 113688eea45cSKlaus Jensen if (status) { 113788eea45cSKlaus Jensen return status; 113888eea45cSKlaus Jensen } 113988eea45cSKlaus Jensen 114088eea45cSKlaus Jensen nvme_sg_init(n, &req->sg, sg.flags & NVME_SG_DMA); 114188eea45cSKlaus Jensen nvme_sg_split(&sg, ns, NULL, &req->sg); 114288eea45cSKlaus Jensen nvme_sg_unmap(&sg); 114388eea45cSKlaus Jensen 114488eea45cSKlaus Jensen return NVME_SUCCESS; 114588eea45cSKlaus Jensen } 114688eea45cSKlaus Jensen 114788eea45cSKlaus Jensen return nvme_map_mptr(n, &req->sg, len, &req->cmd); 114888eea45cSKlaus Jensen } 114988eea45cSKlaus Jensen 115088eea45cSKlaus Jensen static uint16_t nvme_tx_interleaved(NvmeCtrl *n, NvmeSg *sg, uint8_t *ptr, 115188eea45cSKlaus Jensen uint32_t len, uint32_t bytes, 115288eea45cSKlaus Jensen int32_t skip_bytes, int64_t offset, 115388eea45cSKlaus Jensen NvmeTxDirection dir) 115488eea45cSKlaus Jensen { 115588eea45cSKlaus Jensen hwaddr addr; 115688eea45cSKlaus Jensen uint32_t trans_len, count = bytes; 115788eea45cSKlaus Jensen bool dma = sg->flags & NVME_SG_DMA; 115888eea45cSKlaus Jensen int64_t sge_len; 115988eea45cSKlaus Jensen int sg_idx = 0; 116088eea45cSKlaus Jensen int ret; 116188eea45cSKlaus Jensen 116288eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 116388eea45cSKlaus Jensen 116488eea45cSKlaus Jensen while (len) { 116588eea45cSKlaus Jensen sge_len = dma ? sg->qsg.sg[sg_idx].len : sg->iov.iov[sg_idx].iov_len; 116688eea45cSKlaus Jensen 116788eea45cSKlaus Jensen if (sge_len - offset < 0) { 116888eea45cSKlaus Jensen offset -= sge_len; 116988eea45cSKlaus Jensen sg_idx++; 117088eea45cSKlaus Jensen continue; 117188eea45cSKlaus Jensen } 117288eea45cSKlaus Jensen 117388eea45cSKlaus Jensen if (sge_len == offset) { 117488eea45cSKlaus Jensen offset = 0; 117588eea45cSKlaus Jensen sg_idx++; 117688eea45cSKlaus Jensen continue; 117788eea45cSKlaus Jensen } 117888eea45cSKlaus Jensen 117988eea45cSKlaus Jensen trans_len = MIN(len, count); 118088eea45cSKlaus Jensen trans_len = MIN(trans_len, sge_len - offset); 118188eea45cSKlaus Jensen 118288eea45cSKlaus Jensen if (dma) { 118388eea45cSKlaus Jensen addr = sg->qsg.sg[sg_idx].base + offset; 118488eea45cSKlaus Jensen } else { 118588eea45cSKlaus Jensen addr = (hwaddr)(uintptr_t)sg->iov.iov[sg_idx].iov_base + offset; 118688eea45cSKlaus Jensen } 118788eea45cSKlaus Jensen 118888eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 118988eea45cSKlaus Jensen ret = nvme_addr_read(n, addr, ptr, trans_len); 119088eea45cSKlaus Jensen } else { 119188eea45cSKlaus Jensen ret = nvme_addr_write(n, addr, ptr, trans_len); 119288eea45cSKlaus Jensen } 119388eea45cSKlaus Jensen 119488eea45cSKlaus Jensen if (ret) { 119588eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 119688eea45cSKlaus Jensen } 119788eea45cSKlaus Jensen 119888eea45cSKlaus Jensen ptr += trans_len; 119988eea45cSKlaus Jensen len -= trans_len; 120088eea45cSKlaus Jensen count -= trans_len; 120188eea45cSKlaus Jensen offset += trans_len; 120288eea45cSKlaus Jensen 120388eea45cSKlaus Jensen if (count == 0) { 120488eea45cSKlaus Jensen count = bytes; 120588eea45cSKlaus Jensen offset += skip_bytes; 120688eea45cSKlaus Jensen } 120788eea45cSKlaus Jensen } 120888eea45cSKlaus Jensen 120988eea45cSKlaus Jensen return NVME_SUCCESS; 121088eea45cSKlaus Jensen } 121188eea45cSKlaus Jensen 12128d3a17beSPhilippe Mathieu-Daudé static uint16_t nvme_tx(NvmeCtrl *n, NvmeSg *sg, void *ptr, uint32_t len, 121388eea45cSKlaus Jensen NvmeTxDirection dir) 121488eea45cSKlaus Jensen { 121588eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 121688eea45cSKlaus Jensen 121788eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 1218392e48afSPhilippe Mathieu-Daudé const MemTxAttrs attrs = MEMTXATTRS_UNSPECIFIED; 1219bfa30f39SPhilippe Mathieu-Daudé dma_addr_t residual; 122088eea45cSKlaus Jensen 122188eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 1222f02b664aSPhilippe Mathieu-Daudé dma_buf_write(ptr, len, &residual, &sg->qsg, attrs); 122388eea45cSKlaus Jensen } else { 1224f02b664aSPhilippe Mathieu-Daudé dma_buf_read(ptr, len, &residual, &sg->qsg, attrs); 122588eea45cSKlaus Jensen } 122688eea45cSKlaus Jensen 122788eea45cSKlaus Jensen if (unlikely(residual)) { 122888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_dma(); 122988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 123088eea45cSKlaus Jensen } 123188eea45cSKlaus Jensen } else { 123288eea45cSKlaus Jensen size_t bytes; 123388eea45cSKlaus Jensen 123488eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 123588eea45cSKlaus Jensen bytes = qemu_iovec_to_buf(&sg->iov, 0, ptr, len); 123688eea45cSKlaus Jensen } else { 123788eea45cSKlaus Jensen bytes = qemu_iovec_from_buf(&sg->iov, 0, ptr, len); 123888eea45cSKlaus Jensen } 123988eea45cSKlaus Jensen 124088eea45cSKlaus Jensen if (unlikely(bytes != len)) { 124188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_dma(); 124288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 124388eea45cSKlaus Jensen } 124488eea45cSKlaus Jensen } 124588eea45cSKlaus Jensen 124688eea45cSKlaus Jensen return NVME_SUCCESS; 124788eea45cSKlaus Jensen } 124888eea45cSKlaus Jensen 12498d3a17beSPhilippe Mathieu-Daudé static inline uint16_t nvme_c2h(NvmeCtrl *n, void *ptr, uint32_t len, 125088eea45cSKlaus Jensen NvmeRequest *req) 125188eea45cSKlaus Jensen { 125288eea45cSKlaus Jensen uint16_t status; 125388eea45cSKlaus Jensen 125488eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 125588eea45cSKlaus Jensen if (status) { 125688eea45cSKlaus Jensen return status; 125788eea45cSKlaus Jensen } 125888eea45cSKlaus Jensen 125988eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, NVME_TX_DIRECTION_FROM_DEVICE); 126088eea45cSKlaus Jensen } 126188eea45cSKlaus Jensen 12628d3a17beSPhilippe Mathieu-Daudé static inline uint16_t nvme_h2c(NvmeCtrl *n, void *ptr, uint32_t len, 126388eea45cSKlaus Jensen NvmeRequest *req) 126488eea45cSKlaus Jensen { 126588eea45cSKlaus Jensen uint16_t status; 126688eea45cSKlaus Jensen 126788eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 126888eea45cSKlaus Jensen if (status) { 126988eea45cSKlaus Jensen return status; 127088eea45cSKlaus Jensen } 127188eea45cSKlaus Jensen 127288eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, NVME_TX_DIRECTION_TO_DEVICE); 127388eea45cSKlaus Jensen } 127488eea45cSKlaus Jensen 12758d3a17beSPhilippe Mathieu-Daudé uint16_t nvme_bounce_data(NvmeCtrl *n, void *ptr, uint32_t len, 127688eea45cSKlaus Jensen NvmeTxDirection dir, NvmeRequest *req) 127788eea45cSKlaus Jensen { 127888eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 127988eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 12802a132309SKlaus Jensen bool pi = !!NVME_ID_NS_DPS_TYPE(ns->id_ns.dps); 12812a132309SKlaus Jensen bool pract = !!(le16_to_cpu(rw->control) & NVME_RW_PRINFO_PRACT); 128288eea45cSKlaus Jensen 1283ac0b34c5SKlaus Jensen if (nvme_ns_ext(ns) && 1284ac0b34c5SKlaus Jensen !(pi && pract && ns->lbaf.ms == nvme_pi_tuple_size(ns))) { 128588eea45cSKlaus Jensen return nvme_tx_interleaved(n, &req->sg, ptr, len, ns->lbasz, 128688eea45cSKlaus Jensen ns->lbaf.ms, 0, dir); 128788eea45cSKlaus Jensen } 128888eea45cSKlaus Jensen 128988eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, dir); 129088eea45cSKlaus Jensen } 129188eea45cSKlaus Jensen 12928d3a17beSPhilippe Mathieu-Daudé uint16_t nvme_bounce_mdata(NvmeCtrl *n, void *ptr, uint32_t len, 129388eea45cSKlaus Jensen NvmeTxDirection dir, NvmeRequest *req) 129488eea45cSKlaus Jensen { 129588eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 129688eea45cSKlaus Jensen uint16_t status; 129788eea45cSKlaus Jensen 129888eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 129988eea45cSKlaus Jensen return nvme_tx_interleaved(n, &req->sg, ptr, len, ns->lbaf.ms, 130088eea45cSKlaus Jensen ns->lbasz, ns->lbasz, dir); 130188eea45cSKlaus Jensen } 130288eea45cSKlaus Jensen 130388eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 130488eea45cSKlaus Jensen 130588eea45cSKlaus Jensen status = nvme_map_mptr(n, &req->sg, len, &req->cmd); 130688eea45cSKlaus Jensen if (status) { 130788eea45cSKlaus Jensen return status; 130888eea45cSKlaus Jensen } 130988eea45cSKlaus Jensen 131088eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, dir); 131188eea45cSKlaus Jensen } 131288eea45cSKlaus Jensen 131388eea45cSKlaus Jensen static inline void nvme_blk_read(BlockBackend *blk, int64_t offset, 131488eea45cSKlaus Jensen BlockCompletionFunc *cb, NvmeRequest *req) 131588eea45cSKlaus Jensen { 131688eea45cSKlaus Jensen assert(req->sg.flags & NVME_SG_ALLOC); 131788eea45cSKlaus Jensen 131888eea45cSKlaus Jensen if (req->sg.flags & NVME_SG_DMA) { 131988eea45cSKlaus Jensen req->aiocb = dma_blk_read(blk, &req->sg.qsg, offset, BDRV_SECTOR_SIZE, 132088eea45cSKlaus Jensen cb, req); 132188eea45cSKlaus Jensen } else { 132288eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &req->sg.iov, 0, cb, req); 132388eea45cSKlaus Jensen } 132488eea45cSKlaus Jensen } 132588eea45cSKlaus Jensen 132688eea45cSKlaus Jensen static inline void nvme_blk_write(BlockBackend *blk, int64_t offset, 132788eea45cSKlaus Jensen BlockCompletionFunc *cb, NvmeRequest *req) 132888eea45cSKlaus Jensen { 132988eea45cSKlaus Jensen assert(req->sg.flags & NVME_SG_ALLOC); 133088eea45cSKlaus Jensen 133188eea45cSKlaus Jensen if (req->sg.flags & NVME_SG_DMA) { 133288eea45cSKlaus Jensen req->aiocb = dma_blk_write(blk, &req->sg.qsg, offset, BDRV_SECTOR_SIZE, 133388eea45cSKlaus Jensen cb, req); 133488eea45cSKlaus Jensen } else { 133588eea45cSKlaus Jensen req->aiocb = blk_aio_pwritev(blk, offset, &req->sg.iov, 0, cb, req); 133688eea45cSKlaus Jensen } 133788eea45cSKlaus Jensen } 133888eea45cSKlaus Jensen 1339fa5db2aaSKlaus Jensen static void nvme_update_cq_eventidx(const NvmeCQueue *cq) 1340fa5db2aaSKlaus Jensen { 1341fa5db2aaSKlaus Jensen uint32_t v = cpu_to_le32(cq->head); 1342fa5db2aaSKlaus Jensen 1343fa5db2aaSKlaus Jensen trace_pci_nvme_update_cq_eventidx(cq->cqid, cq->head); 1344fa5db2aaSKlaus Jensen 1345fa5db2aaSKlaus Jensen pci_dma_write(PCI_DEVICE(cq->ctrl), cq->ei_addr, &v, sizeof(v)); 1346fa5db2aaSKlaus Jensen } 1347fa5db2aaSKlaus Jensen 13483f7fe8deSJinhao Fan static void nvme_update_cq_head(NvmeCQueue *cq) 13493f7fe8deSJinhao Fan { 13502fda0726SKlaus Jensen uint32_t v; 13512fda0726SKlaus Jensen 13522fda0726SKlaus Jensen pci_dma_read(PCI_DEVICE(cq->ctrl), cq->db_addr, &v, sizeof(v)); 13532fda0726SKlaus Jensen 13542fda0726SKlaus Jensen cq->head = le32_to_cpu(v); 135547cd3539SKlaus Jensen 135647cd3539SKlaus Jensen trace_pci_nvme_update_cq_head(cq->cqid, cq->head); 13573f7fe8deSJinhao Fan } 13583f7fe8deSJinhao Fan 135988eea45cSKlaus Jensen static void nvme_post_cqes(void *opaque) 136088eea45cSKlaus Jensen { 136188eea45cSKlaus Jensen NvmeCQueue *cq = opaque; 136288eea45cSKlaus Jensen NvmeCtrl *n = cq->ctrl; 136388eea45cSKlaus Jensen NvmeRequest *req, *next; 136483d7ed5cSKlaus Jensen bool pending = cq->head != cq->tail; 136588eea45cSKlaus Jensen int ret; 136688eea45cSKlaus Jensen 136788eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(req, &cq->req_list, entry, next) { 136888eea45cSKlaus Jensen NvmeSQueue *sq; 136988eea45cSKlaus Jensen hwaddr addr; 137088eea45cSKlaus Jensen 13713f7fe8deSJinhao Fan if (n->dbbuf_enabled) { 1372fa5db2aaSKlaus Jensen nvme_update_cq_eventidx(cq); 13733f7fe8deSJinhao Fan nvme_update_cq_head(cq); 13743f7fe8deSJinhao Fan } 13753f7fe8deSJinhao Fan 137688eea45cSKlaus Jensen if (nvme_cq_full(cq)) { 137788eea45cSKlaus Jensen break; 137888eea45cSKlaus Jensen } 137988eea45cSKlaus Jensen 138088eea45cSKlaus Jensen sq = req->sq; 138188eea45cSKlaus Jensen req->cqe.status = cpu_to_le16((req->status << 1) | cq->phase); 138288eea45cSKlaus Jensen req->cqe.sq_id = cpu_to_le16(sq->sqid); 138388eea45cSKlaus Jensen req->cqe.sq_head = cpu_to_le16(sq->head); 138488eea45cSKlaus Jensen addr = cq->dma_addr + cq->tail * n->cqe_size; 138548b32c28SKlaus Jensen ret = pci_dma_write(PCI_DEVICE(n), addr, (void *)&req->cqe, 138688eea45cSKlaus Jensen sizeof(req->cqe)); 138788eea45cSKlaus Jensen if (ret) { 138888eea45cSKlaus Jensen trace_pci_nvme_err_addr_write(addr); 138988eea45cSKlaus Jensen trace_pci_nvme_err_cfs(); 139049e03457SKlaus Jensen stl_le_p(&n->bar.csts, NVME_CSTS_FAILED); 139188eea45cSKlaus Jensen break; 139288eea45cSKlaus Jensen } 139388eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->req_list, req, entry); 139488eea45cSKlaus Jensen nvme_inc_cq_tail(cq); 139588eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 139688eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->req_list, req, entry); 139788eea45cSKlaus Jensen } 139888eea45cSKlaus Jensen if (cq->tail != cq->head) { 139983d7ed5cSKlaus Jensen if (cq->irq_enabled && !pending) { 140083d7ed5cSKlaus Jensen n->cq_pending++; 140183d7ed5cSKlaus Jensen } 140283d7ed5cSKlaus Jensen 140388eea45cSKlaus Jensen nvme_irq_assert(n, cq); 140488eea45cSKlaus Jensen } 140588eea45cSKlaus Jensen } 140688eea45cSKlaus Jensen 140788eea45cSKlaus Jensen static void nvme_enqueue_req_completion(NvmeCQueue *cq, NvmeRequest *req) 140888eea45cSKlaus Jensen { 140988eea45cSKlaus Jensen assert(cq->cqid == req->sq->cqid); 141088eea45cSKlaus Jensen trace_pci_nvme_enqueue_req_completion(nvme_cid(req), cq->cqid, 1411f1c97407SKlaus Jensen le32_to_cpu(req->cqe.result), 1412f1c97407SKlaus Jensen le32_to_cpu(req->cqe.dw1), 141388eea45cSKlaus Jensen req->status); 141488eea45cSKlaus Jensen 141588eea45cSKlaus Jensen if (req->status) { 141688eea45cSKlaus Jensen trace_pci_nvme_err_req_status(nvme_cid(req), nvme_nsid(req->ns), 141788eea45cSKlaus Jensen req->status, req->cmd.opcode); 141888eea45cSKlaus Jensen } 141988eea45cSKlaus Jensen 142088eea45cSKlaus Jensen QTAILQ_REMOVE(&req->sq->out_req_list, req, entry); 142188eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&cq->req_list, req, entry); 14222e53b0b4SJinhao Fan 1423d38cc6fdSKlaus Jensen qemu_bh_schedule(cq->bh); 14242e53b0b4SJinhao Fan } 142588eea45cSKlaus Jensen 142688eea45cSKlaus Jensen static void nvme_process_aers(void *opaque) 142788eea45cSKlaus Jensen { 142888eea45cSKlaus Jensen NvmeCtrl *n = opaque; 142988eea45cSKlaus Jensen NvmeAsyncEvent *event, *next; 143088eea45cSKlaus Jensen 143188eea45cSKlaus Jensen trace_pci_nvme_process_aers(n->aer_queued); 143288eea45cSKlaus Jensen 143388eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(event, &n->aer_queue, entry, next) { 143488eea45cSKlaus Jensen NvmeRequest *req; 143588eea45cSKlaus Jensen NvmeAerResult *result; 143688eea45cSKlaus Jensen 143788eea45cSKlaus Jensen /* can't post cqe if there is nothing to complete */ 143888eea45cSKlaus Jensen if (!n->outstanding_aers) { 143988eea45cSKlaus Jensen trace_pci_nvme_no_outstanding_aers(); 144088eea45cSKlaus Jensen break; 144188eea45cSKlaus Jensen } 144288eea45cSKlaus Jensen 144388eea45cSKlaus Jensen /* ignore if masked (cqe posted, but event not cleared) */ 144488eea45cSKlaus Jensen if (n->aer_mask & (1 << event->result.event_type)) { 144588eea45cSKlaus Jensen trace_pci_nvme_aer_masked(event->result.event_type, n->aer_mask); 144688eea45cSKlaus Jensen continue; 144788eea45cSKlaus Jensen } 144888eea45cSKlaus Jensen 144988eea45cSKlaus Jensen QTAILQ_REMOVE(&n->aer_queue, event, entry); 145088eea45cSKlaus Jensen n->aer_queued--; 145188eea45cSKlaus Jensen 145288eea45cSKlaus Jensen n->aer_mask |= 1 << event->result.event_type; 145388eea45cSKlaus Jensen n->outstanding_aers--; 145488eea45cSKlaus Jensen 145588eea45cSKlaus Jensen req = n->aer_reqs[n->outstanding_aers]; 145688eea45cSKlaus Jensen 145788eea45cSKlaus Jensen result = (NvmeAerResult *) &req->cqe.result; 145888eea45cSKlaus Jensen result->event_type = event->result.event_type; 145988eea45cSKlaus Jensen result->event_info = event->result.event_info; 146088eea45cSKlaus Jensen result->log_page = event->result.log_page; 146188eea45cSKlaus Jensen g_free(event); 146288eea45cSKlaus Jensen 146388eea45cSKlaus Jensen trace_pci_nvme_aer_post_cqe(result->event_type, result->event_info, 146488eea45cSKlaus Jensen result->log_page); 146588eea45cSKlaus Jensen 146688eea45cSKlaus Jensen nvme_enqueue_req_completion(&n->admin_cq, req); 146788eea45cSKlaus Jensen } 146888eea45cSKlaus Jensen } 146988eea45cSKlaus Jensen 147088eea45cSKlaus Jensen static void nvme_enqueue_event(NvmeCtrl *n, uint8_t event_type, 147188eea45cSKlaus Jensen uint8_t event_info, uint8_t log_page) 147288eea45cSKlaus Jensen { 147388eea45cSKlaus Jensen NvmeAsyncEvent *event; 147488eea45cSKlaus Jensen 147588eea45cSKlaus Jensen trace_pci_nvme_enqueue_event(event_type, event_info, log_page); 147688eea45cSKlaus Jensen 147788eea45cSKlaus Jensen if (n->aer_queued == n->params.aer_max_queued) { 147888eea45cSKlaus Jensen trace_pci_nvme_enqueue_event_noqueue(n->aer_queued); 147988eea45cSKlaus Jensen return; 148088eea45cSKlaus Jensen } 148188eea45cSKlaus Jensen 148288eea45cSKlaus Jensen event = g_new(NvmeAsyncEvent, 1); 148388eea45cSKlaus Jensen event->result = (NvmeAerResult) { 148488eea45cSKlaus Jensen .event_type = event_type, 148588eea45cSKlaus Jensen .event_info = event_info, 148688eea45cSKlaus Jensen .log_page = log_page, 148788eea45cSKlaus Jensen }; 148888eea45cSKlaus Jensen 148988eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&n->aer_queue, event, entry); 149088eea45cSKlaus Jensen n->aer_queued++; 149188eea45cSKlaus Jensen 149288eea45cSKlaus Jensen nvme_process_aers(n); 149388eea45cSKlaus Jensen } 149488eea45cSKlaus Jensen 149588eea45cSKlaus Jensen static void nvme_smart_event(NvmeCtrl *n, uint8_t event) 149688eea45cSKlaus Jensen { 149788eea45cSKlaus Jensen uint8_t aer_info; 149888eea45cSKlaus Jensen 149988eea45cSKlaus Jensen /* Ref SPEC <Asynchronous Event Information 0x2013 SMART / Health Status> */ 150088eea45cSKlaus Jensen if (!(NVME_AEC_SMART(n->features.async_config) & event)) { 150188eea45cSKlaus Jensen return; 150288eea45cSKlaus Jensen } 150388eea45cSKlaus Jensen 150488eea45cSKlaus Jensen switch (event) { 150588eea45cSKlaus Jensen case NVME_SMART_SPARE: 150688eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_SPARE_THRESH; 150788eea45cSKlaus Jensen break; 150888eea45cSKlaus Jensen case NVME_SMART_TEMPERATURE: 150988eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_TEMP_THRESH; 151088eea45cSKlaus Jensen break; 151188eea45cSKlaus Jensen case NVME_SMART_RELIABILITY: 151288eea45cSKlaus Jensen case NVME_SMART_MEDIA_READ_ONLY: 151388eea45cSKlaus Jensen case NVME_SMART_FAILED_VOLATILE_MEDIA: 151488eea45cSKlaus Jensen case NVME_SMART_PMR_UNRELIABLE: 151588eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_RELIABILITY; 151688eea45cSKlaus Jensen break; 151788eea45cSKlaus Jensen default: 151888eea45cSKlaus Jensen return; 151988eea45cSKlaus Jensen } 152088eea45cSKlaus Jensen 152188eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_SMART, aer_info, NVME_LOG_SMART_INFO); 152288eea45cSKlaus Jensen } 152388eea45cSKlaus Jensen 152488eea45cSKlaus Jensen static void nvme_clear_events(NvmeCtrl *n, uint8_t event_type) 152588eea45cSKlaus Jensen { 152688eea45cSKlaus Jensen n->aer_mask &= ~(1 << event_type); 152788eea45cSKlaus Jensen if (!QTAILQ_EMPTY(&n->aer_queue)) { 152888eea45cSKlaus Jensen nvme_process_aers(n); 152988eea45cSKlaus Jensen } 153088eea45cSKlaus Jensen } 153188eea45cSKlaus Jensen 153288eea45cSKlaus Jensen static inline uint16_t nvme_check_mdts(NvmeCtrl *n, size_t len) 153388eea45cSKlaus Jensen { 153488eea45cSKlaus Jensen uint8_t mdts = n->params.mdts; 153588eea45cSKlaus Jensen 153688eea45cSKlaus Jensen if (mdts && len > n->page_size << mdts) { 153788eea45cSKlaus Jensen trace_pci_nvme_err_mdts(len); 153888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 153988eea45cSKlaus Jensen } 154088eea45cSKlaus Jensen 154188eea45cSKlaus Jensen return NVME_SUCCESS; 154288eea45cSKlaus Jensen } 154388eea45cSKlaus Jensen 154488eea45cSKlaus Jensen static inline uint16_t nvme_check_bounds(NvmeNamespace *ns, uint64_t slba, 154588eea45cSKlaus Jensen uint32_t nlb) 154688eea45cSKlaus Jensen { 154788eea45cSKlaus Jensen uint64_t nsze = le64_to_cpu(ns->id_ns.nsze); 154888eea45cSKlaus Jensen 154988eea45cSKlaus Jensen if (unlikely(UINT64_MAX - slba < nlb || slba + nlb > nsze)) { 155088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(slba, nlb, nsze); 155188eea45cSKlaus Jensen return NVME_LBA_RANGE | NVME_DNR; 155288eea45cSKlaus Jensen } 155388eea45cSKlaus Jensen 155488eea45cSKlaus Jensen return NVME_SUCCESS; 155588eea45cSKlaus Jensen } 155688eea45cSKlaus Jensen 1557ff0ac2c8SKlaus Jensen static int nvme_block_status_all(NvmeNamespace *ns, uint64_t slba, 1558ff0ac2c8SKlaus Jensen uint32_t nlb, int flags) 155988eea45cSKlaus Jensen { 156088eea45cSKlaus Jensen BlockDriverState *bs = blk_bs(ns->blkconf.blk); 156188eea45cSKlaus Jensen 156288eea45cSKlaus Jensen int64_t pnum = 0, bytes = nvme_l2b(ns, nlb); 156388eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 156488eea45cSKlaus Jensen int ret; 156588eea45cSKlaus Jensen 156688eea45cSKlaus Jensen /* 156788eea45cSKlaus Jensen * `pnum` holds the number of bytes after offset that shares the same 156888eea45cSKlaus Jensen * allocation status as the byte at offset. If `pnum` is different from 156988eea45cSKlaus Jensen * `bytes`, we should check the allocation status of the next range and 157088eea45cSKlaus Jensen * continue this until all bytes have been checked. 157188eea45cSKlaus Jensen */ 157288eea45cSKlaus Jensen do { 157388eea45cSKlaus Jensen bytes -= pnum; 157488eea45cSKlaus Jensen 157588eea45cSKlaus Jensen ret = bdrv_block_status(bs, offset, bytes, &pnum, NULL, NULL); 157688eea45cSKlaus Jensen if (ret < 0) { 1577ff0ac2c8SKlaus Jensen return ret; 157888eea45cSKlaus Jensen } 157988eea45cSKlaus Jensen 158088eea45cSKlaus Jensen 1581ff0ac2c8SKlaus Jensen trace_pci_nvme_block_status(offset, bytes, pnum, ret, 1582ff0ac2c8SKlaus Jensen !!(ret & BDRV_BLOCK_ZERO)); 158388eea45cSKlaus Jensen 1584ff0ac2c8SKlaus Jensen if (!(ret & flags)) { 1585ff0ac2c8SKlaus Jensen return 1; 158688eea45cSKlaus Jensen } 158788eea45cSKlaus Jensen 158888eea45cSKlaus Jensen offset += pnum; 158988eea45cSKlaus Jensen } while (pnum != bytes); 159088eea45cSKlaus Jensen 1591ff0ac2c8SKlaus Jensen return 0; 1592ff0ac2c8SKlaus Jensen } 1593ff0ac2c8SKlaus Jensen 1594ff0ac2c8SKlaus Jensen static uint16_t nvme_check_dulbe(NvmeNamespace *ns, uint64_t slba, 1595ff0ac2c8SKlaus Jensen uint32_t nlb) 1596ff0ac2c8SKlaus Jensen { 1597ff0ac2c8SKlaus Jensen int ret; 1598ff0ac2c8SKlaus Jensen Error *err = NULL; 1599ff0ac2c8SKlaus Jensen 1600ff0ac2c8SKlaus Jensen ret = nvme_block_status_all(ns, slba, nlb, BDRV_BLOCK_DATA); 1601ff0ac2c8SKlaus Jensen if (ret) { 1602ff0ac2c8SKlaus Jensen if (ret < 0) { 1603ff0ac2c8SKlaus Jensen error_setg_errno(&err, -ret, "unable to get block status"); 1604ff0ac2c8SKlaus Jensen error_report_err(err); 1605ff0ac2c8SKlaus Jensen 1606ff0ac2c8SKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 1607ff0ac2c8SKlaus Jensen } 1608ff0ac2c8SKlaus Jensen 1609ff0ac2c8SKlaus Jensen return NVME_DULB; 1610ff0ac2c8SKlaus Jensen } 1611ff0ac2c8SKlaus Jensen 161288eea45cSKlaus Jensen return NVME_SUCCESS; 161388eea45cSKlaus Jensen } 161488eea45cSKlaus Jensen 161588eea45cSKlaus Jensen static void nvme_aio_err(NvmeRequest *req, int ret) 161688eea45cSKlaus Jensen { 161788eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 161888eea45cSKlaus Jensen Error *local_err = NULL; 161988eea45cSKlaus Jensen 162088eea45cSKlaus Jensen switch (req->cmd.opcode) { 162188eea45cSKlaus Jensen case NVME_CMD_READ: 162288eea45cSKlaus Jensen status = NVME_UNRECOVERED_READ; 162388eea45cSKlaus Jensen break; 162488eea45cSKlaus Jensen case NVME_CMD_FLUSH: 162588eea45cSKlaus Jensen case NVME_CMD_WRITE: 162688eea45cSKlaus Jensen case NVME_CMD_WRITE_ZEROES: 162788eea45cSKlaus Jensen case NVME_CMD_ZONE_APPEND: 162888eea45cSKlaus Jensen status = NVME_WRITE_FAULT; 162988eea45cSKlaus Jensen break; 163088eea45cSKlaus Jensen default: 163188eea45cSKlaus Jensen status = NVME_INTERNAL_DEV_ERROR; 163288eea45cSKlaus Jensen break; 163388eea45cSKlaus Jensen } 163488eea45cSKlaus Jensen 163588eea45cSKlaus Jensen trace_pci_nvme_err_aio(nvme_cid(req), strerror(-ret), status); 163688eea45cSKlaus Jensen 163788eea45cSKlaus Jensen error_setg_errno(&local_err, -ret, "aio failed"); 163888eea45cSKlaus Jensen error_report_err(local_err); 163988eea45cSKlaus Jensen 164088eea45cSKlaus Jensen /* 164188eea45cSKlaus Jensen * Set the command status code to the first encountered error but allow a 164288eea45cSKlaus Jensen * subsequent Internal Device Error to trump it. 164388eea45cSKlaus Jensen */ 164488eea45cSKlaus Jensen if (req->status && status != NVME_INTERNAL_DEV_ERROR) { 164588eea45cSKlaus Jensen return; 164688eea45cSKlaus Jensen } 164788eea45cSKlaus Jensen 164888eea45cSKlaus Jensen req->status = status; 164988eea45cSKlaus Jensen } 165088eea45cSKlaus Jensen 165188eea45cSKlaus Jensen static inline uint32_t nvme_zone_idx(NvmeNamespace *ns, uint64_t slba) 165288eea45cSKlaus Jensen { 165388eea45cSKlaus Jensen return ns->zone_size_log2 > 0 ? slba >> ns->zone_size_log2 : 165488eea45cSKlaus Jensen slba / ns->zone_size; 165588eea45cSKlaus Jensen } 165688eea45cSKlaus Jensen 165788eea45cSKlaus Jensen static inline NvmeZone *nvme_get_zone_by_slba(NvmeNamespace *ns, uint64_t slba) 165888eea45cSKlaus Jensen { 165988eea45cSKlaus Jensen uint32_t zone_idx = nvme_zone_idx(ns, slba); 166088eea45cSKlaus Jensen 1661189a8bf7SKlaus Jensen if (zone_idx >= ns->num_zones) { 1662189a8bf7SKlaus Jensen return NULL; 1663189a8bf7SKlaus Jensen } 1664189a8bf7SKlaus Jensen 166588eea45cSKlaus Jensen return &ns->zone_array[zone_idx]; 166688eea45cSKlaus Jensen } 166788eea45cSKlaus Jensen 166888eea45cSKlaus Jensen static uint16_t nvme_check_zone_state_for_write(NvmeZone *zone) 166988eea45cSKlaus Jensen { 167088eea45cSKlaus Jensen uint64_t zslba = zone->d.zslba; 167188eea45cSKlaus Jensen 167288eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 167388eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 167488eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 167588eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 167688eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 167788eea45cSKlaus Jensen return NVME_SUCCESS; 167888eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 167988eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_full(zslba); 168088eea45cSKlaus Jensen return NVME_ZONE_FULL; 168188eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 168288eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_offline(zslba); 168388eea45cSKlaus Jensen return NVME_ZONE_OFFLINE; 168488eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 168588eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_read_only(zslba); 168688eea45cSKlaus Jensen return NVME_ZONE_READ_ONLY; 168788eea45cSKlaus Jensen default: 168888eea45cSKlaus Jensen assert(false); 168988eea45cSKlaus Jensen } 169088eea45cSKlaus Jensen 169188eea45cSKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 169288eea45cSKlaus Jensen } 169388eea45cSKlaus Jensen 169488eea45cSKlaus Jensen static uint16_t nvme_check_zone_write(NvmeNamespace *ns, NvmeZone *zone, 169588eea45cSKlaus Jensen uint64_t slba, uint32_t nlb) 169688eea45cSKlaus Jensen { 169788eea45cSKlaus Jensen uint64_t zcap = nvme_zone_wr_boundary(zone); 169888eea45cSKlaus Jensen uint16_t status; 169988eea45cSKlaus Jensen 170088eea45cSKlaus Jensen status = nvme_check_zone_state_for_write(zone); 170188eea45cSKlaus Jensen if (status) { 170288eea45cSKlaus Jensen return status; 170388eea45cSKlaus Jensen } 170488eea45cSKlaus Jensen 1705e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1706e321b4cdSKlaus Jensen uint64_t ezrwa = zone->w_ptr + 2 * ns->zns.zrwas; 1707e321b4cdSKlaus Jensen 1708e321b4cdSKlaus Jensen if (slba < zone->w_ptr || slba + nlb > ezrwa) { 1709e321b4cdSKlaus Jensen trace_pci_nvme_err_zone_invalid_write(slba, zone->w_ptr); 171088eea45cSKlaus Jensen return NVME_ZONE_INVALID_WRITE; 171188eea45cSKlaus Jensen } 1712e321b4cdSKlaus Jensen } else { 1713e321b4cdSKlaus Jensen if (unlikely(slba != zone->w_ptr)) { 1714e321b4cdSKlaus Jensen trace_pci_nvme_err_write_not_at_wp(slba, zone->d.zslba, 1715e321b4cdSKlaus Jensen zone->w_ptr); 1716e321b4cdSKlaus Jensen return NVME_ZONE_INVALID_WRITE; 1717e321b4cdSKlaus Jensen } 1718e321b4cdSKlaus Jensen } 171988eea45cSKlaus Jensen 172088eea45cSKlaus Jensen if (unlikely((slba + nlb) > zcap)) { 172188eea45cSKlaus Jensen trace_pci_nvme_err_zone_boundary(slba, nlb, zcap); 172288eea45cSKlaus Jensen return NVME_ZONE_BOUNDARY_ERROR; 172388eea45cSKlaus Jensen } 172488eea45cSKlaus Jensen 172588eea45cSKlaus Jensen return NVME_SUCCESS; 172688eea45cSKlaus Jensen } 172788eea45cSKlaus Jensen 172888eea45cSKlaus Jensen static uint16_t nvme_check_zone_state_for_read(NvmeZone *zone) 172988eea45cSKlaus Jensen { 173088eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 173188eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 173288eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 173388eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 173488eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 173588eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 173688eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 173788eea45cSKlaus Jensen return NVME_SUCCESS; 173888eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 173988eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_offline(zone->d.zslba); 174088eea45cSKlaus Jensen return NVME_ZONE_OFFLINE; 174188eea45cSKlaus Jensen default: 174288eea45cSKlaus Jensen assert(false); 174388eea45cSKlaus Jensen } 174488eea45cSKlaus Jensen 174588eea45cSKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 174688eea45cSKlaus Jensen } 174788eea45cSKlaus Jensen 174888eea45cSKlaus Jensen static uint16_t nvme_check_zone_read(NvmeNamespace *ns, uint64_t slba, 174988eea45cSKlaus Jensen uint32_t nlb) 175088eea45cSKlaus Jensen { 1751189a8bf7SKlaus Jensen NvmeZone *zone; 1752189a8bf7SKlaus Jensen uint64_t bndry, end; 175388eea45cSKlaus Jensen uint16_t status; 175488eea45cSKlaus Jensen 1755189a8bf7SKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 1756189a8bf7SKlaus Jensen assert(zone); 1757189a8bf7SKlaus Jensen 1758189a8bf7SKlaus Jensen bndry = nvme_zone_rd_boundary(ns, zone); 1759189a8bf7SKlaus Jensen end = slba + nlb; 1760189a8bf7SKlaus Jensen 176188eea45cSKlaus Jensen status = nvme_check_zone_state_for_read(zone); 176288eea45cSKlaus Jensen if (status) { 176388eea45cSKlaus Jensen ; 176488eea45cSKlaus Jensen } else if (unlikely(end > bndry)) { 176588eea45cSKlaus Jensen if (!ns->params.cross_zone_read) { 176688eea45cSKlaus Jensen status = NVME_ZONE_BOUNDARY_ERROR; 176788eea45cSKlaus Jensen } else { 176888eea45cSKlaus Jensen /* 176988eea45cSKlaus Jensen * Read across zone boundary - check that all subsequent 177088eea45cSKlaus Jensen * zones that are being read have an appropriate state. 177188eea45cSKlaus Jensen */ 177288eea45cSKlaus Jensen do { 177388eea45cSKlaus Jensen zone++; 177488eea45cSKlaus Jensen status = nvme_check_zone_state_for_read(zone); 177588eea45cSKlaus Jensen if (status) { 177688eea45cSKlaus Jensen break; 177788eea45cSKlaus Jensen } 177888eea45cSKlaus Jensen } while (end > nvme_zone_rd_boundary(ns, zone)); 177988eea45cSKlaus Jensen } 178088eea45cSKlaus Jensen } 178188eea45cSKlaus Jensen 178288eea45cSKlaus Jensen return status; 178388eea45cSKlaus Jensen } 178488eea45cSKlaus Jensen 178588eea45cSKlaus Jensen static uint16_t nvme_zrm_finish(NvmeNamespace *ns, NvmeZone *zone) 178688eea45cSKlaus Jensen { 178788eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 178888eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 178988eea45cSKlaus Jensen return NVME_SUCCESS; 179088eea45cSKlaus Jensen 179188eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 179288eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 179388eea45cSKlaus Jensen nvme_aor_dec_open(ns); 179488eea45cSKlaus Jensen /* fallthrough */ 179588eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 179688eea45cSKlaus Jensen nvme_aor_dec_active(ns); 1797e321b4cdSKlaus Jensen 1798e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1799e321b4cdSKlaus Jensen zone->d.za &= ~NVME_ZA_ZRWA_VALID; 1800e321b4cdSKlaus Jensen if (ns->params.numzrwa) { 1801e321b4cdSKlaus Jensen ns->zns.numzrwa++; 1802e321b4cdSKlaus Jensen } 1803e321b4cdSKlaus Jensen } 1804e321b4cdSKlaus Jensen 180588eea45cSKlaus Jensen /* fallthrough */ 180688eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 180788eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_FULL); 180888eea45cSKlaus Jensen return NVME_SUCCESS; 180988eea45cSKlaus Jensen 181088eea45cSKlaus Jensen default: 181188eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 181288eea45cSKlaus Jensen } 181388eea45cSKlaus Jensen } 181488eea45cSKlaus Jensen 181588eea45cSKlaus Jensen static uint16_t nvme_zrm_close(NvmeNamespace *ns, NvmeZone *zone) 181688eea45cSKlaus Jensen { 181788eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 181888eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 181988eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 182088eea45cSKlaus Jensen nvme_aor_dec_open(ns); 182188eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_CLOSED); 182288eea45cSKlaus Jensen /* fall through */ 182388eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 182488eea45cSKlaus Jensen return NVME_SUCCESS; 182588eea45cSKlaus Jensen 182688eea45cSKlaus Jensen default: 182788eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 182888eea45cSKlaus Jensen } 182988eea45cSKlaus Jensen } 183088eea45cSKlaus Jensen 183163d96e4fSKlaus Jensen static uint16_t nvme_zrm_reset(NvmeNamespace *ns, NvmeZone *zone) 183263d96e4fSKlaus Jensen { 183363d96e4fSKlaus Jensen switch (nvme_get_zone_state(zone)) { 183463d96e4fSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 183563d96e4fSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 183663d96e4fSKlaus Jensen nvme_aor_dec_open(ns); 183763d96e4fSKlaus Jensen /* fallthrough */ 183863d96e4fSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 183963d96e4fSKlaus Jensen nvme_aor_dec_active(ns); 1840e321b4cdSKlaus Jensen 1841e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1842e321b4cdSKlaus Jensen if (ns->params.numzrwa) { 1843e321b4cdSKlaus Jensen ns->zns.numzrwa++; 1844e321b4cdSKlaus Jensen } 1845e321b4cdSKlaus Jensen } 1846e321b4cdSKlaus Jensen 184763d96e4fSKlaus Jensen /* fallthrough */ 184863d96e4fSKlaus Jensen case NVME_ZONE_STATE_FULL: 184963d96e4fSKlaus Jensen zone->w_ptr = zone->d.zslba; 185063d96e4fSKlaus Jensen zone->d.wp = zone->w_ptr; 185163d96e4fSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_EMPTY); 185263d96e4fSKlaus Jensen /* fallthrough */ 185363d96e4fSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 185463d96e4fSKlaus Jensen return NVME_SUCCESS; 185563d96e4fSKlaus Jensen 185663d96e4fSKlaus Jensen default: 185763d96e4fSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 185863d96e4fSKlaus Jensen } 185963d96e4fSKlaus Jensen } 186063d96e4fSKlaus Jensen 186188eea45cSKlaus Jensen static void nvme_zrm_auto_transition_zone(NvmeNamespace *ns) 186288eea45cSKlaus Jensen { 186388eea45cSKlaus Jensen NvmeZone *zone; 186488eea45cSKlaus Jensen 186588eea45cSKlaus Jensen if (ns->params.max_open_zones && 186688eea45cSKlaus Jensen ns->nr_open_zones == ns->params.max_open_zones) { 186788eea45cSKlaus Jensen zone = QTAILQ_FIRST(&ns->imp_open_zones); 186888eea45cSKlaus Jensen if (zone) { 186988eea45cSKlaus Jensen /* 187088eea45cSKlaus Jensen * Automatically close this implicitly open zone. 187188eea45cSKlaus Jensen */ 187288eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->imp_open_zones, zone, entry); 187388eea45cSKlaus Jensen nvme_zrm_close(ns, zone); 187488eea45cSKlaus Jensen } 187588eea45cSKlaus Jensen } 187688eea45cSKlaus Jensen } 187788eea45cSKlaus Jensen 187888eea45cSKlaus Jensen enum { 187988eea45cSKlaus Jensen NVME_ZRM_AUTO = 1 << 0, 1880e321b4cdSKlaus Jensen NVME_ZRM_ZRWA = 1 << 1, 188188eea45cSKlaus Jensen }; 188288eea45cSKlaus Jensen 1883cccc2651SNiklas Cassel static uint16_t nvme_zrm_open_flags(NvmeCtrl *n, NvmeNamespace *ns, 1884cccc2651SNiklas Cassel NvmeZone *zone, int flags) 188588eea45cSKlaus Jensen { 188688eea45cSKlaus Jensen int act = 0; 188788eea45cSKlaus Jensen uint16_t status; 188888eea45cSKlaus Jensen 188988eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 189088eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 189188eea45cSKlaus Jensen act = 1; 189288eea45cSKlaus Jensen 189388eea45cSKlaus Jensen /* fallthrough */ 189488eea45cSKlaus Jensen 189588eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 1896cccc2651SNiklas Cassel if (n->params.auto_transition_zones) { 189788eea45cSKlaus Jensen nvme_zrm_auto_transition_zone(ns); 1898cccc2651SNiklas Cassel } 1899e321b4cdSKlaus Jensen status = nvme_zns_check_resources(ns, act, 1, 1900e321b4cdSKlaus Jensen (flags & NVME_ZRM_ZRWA) ? 1 : 0); 190188eea45cSKlaus Jensen if (status) { 190288eea45cSKlaus Jensen return status; 190388eea45cSKlaus Jensen } 190488eea45cSKlaus Jensen 190588eea45cSKlaus Jensen if (act) { 190688eea45cSKlaus Jensen nvme_aor_inc_active(ns); 190788eea45cSKlaus Jensen } 190888eea45cSKlaus Jensen 190988eea45cSKlaus Jensen nvme_aor_inc_open(ns); 191088eea45cSKlaus Jensen 191188eea45cSKlaus Jensen if (flags & NVME_ZRM_AUTO) { 191288eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_IMPLICITLY_OPEN); 191388eea45cSKlaus Jensen return NVME_SUCCESS; 191488eea45cSKlaus Jensen } 191588eea45cSKlaus Jensen 191688eea45cSKlaus Jensen /* fallthrough */ 191788eea45cSKlaus Jensen 191888eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 191988eea45cSKlaus Jensen if (flags & NVME_ZRM_AUTO) { 192088eea45cSKlaus Jensen return NVME_SUCCESS; 192188eea45cSKlaus Jensen } 192288eea45cSKlaus Jensen 192388eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_EXPLICITLY_OPEN); 192488eea45cSKlaus Jensen 192588eea45cSKlaus Jensen /* fallthrough */ 192688eea45cSKlaus Jensen 192788eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 1928e321b4cdSKlaus Jensen if (flags & NVME_ZRM_ZRWA) { 1929e321b4cdSKlaus Jensen ns->zns.numzrwa--; 1930e321b4cdSKlaus Jensen 1931e321b4cdSKlaus Jensen zone->d.za |= NVME_ZA_ZRWA_VALID; 1932e321b4cdSKlaus Jensen } 1933e321b4cdSKlaus Jensen 193488eea45cSKlaus Jensen return NVME_SUCCESS; 193588eea45cSKlaus Jensen 193688eea45cSKlaus Jensen default: 193788eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 193888eea45cSKlaus Jensen } 193988eea45cSKlaus Jensen } 194088eea45cSKlaus Jensen 1941cccc2651SNiklas Cassel static inline uint16_t nvme_zrm_auto(NvmeCtrl *n, NvmeNamespace *ns, 1942cccc2651SNiklas Cassel NvmeZone *zone) 194388eea45cSKlaus Jensen { 1944cccc2651SNiklas Cassel return nvme_zrm_open_flags(n, ns, zone, NVME_ZRM_AUTO); 194588eea45cSKlaus Jensen } 194688eea45cSKlaus Jensen 194788eea45cSKlaus Jensen static void nvme_advance_zone_wp(NvmeNamespace *ns, NvmeZone *zone, 194888eea45cSKlaus Jensen uint32_t nlb) 194988eea45cSKlaus Jensen { 195088eea45cSKlaus Jensen zone->d.wp += nlb; 195188eea45cSKlaus Jensen 195288eea45cSKlaus Jensen if (zone->d.wp == nvme_zone_wr_boundary(zone)) { 195388eea45cSKlaus Jensen nvme_zrm_finish(ns, zone); 195488eea45cSKlaus Jensen } 195588eea45cSKlaus Jensen } 195688eea45cSKlaus Jensen 1957e321b4cdSKlaus Jensen static void nvme_zoned_zrwa_implicit_flush(NvmeNamespace *ns, NvmeZone *zone, 1958e321b4cdSKlaus Jensen uint32_t nlbc) 1959e321b4cdSKlaus Jensen { 1960e321b4cdSKlaus Jensen uint16_t nzrwafgs = DIV_ROUND_UP(nlbc, ns->zns.zrwafg); 1961e321b4cdSKlaus Jensen 1962e321b4cdSKlaus Jensen nlbc = nzrwafgs * ns->zns.zrwafg; 1963e321b4cdSKlaus Jensen 1964e321b4cdSKlaus Jensen trace_pci_nvme_zoned_zrwa_implicit_flush(zone->d.zslba, nlbc); 1965e321b4cdSKlaus Jensen 1966e321b4cdSKlaus Jensen zone->w_ptr += nlbc; 1967e321b4cdSKlaus Jensen 1968e321b4cdSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlbc); 1969e321b4cdSKlaus Jensen } 1970e321b4cdSKlaus Jensen 197188eea45cSKlaus Jensen static void nvme_finalize_zoned_write(NvmeNamespace *ns, NvmeRequest *req) 197288eea45cSKlaus Jensen { 197388eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 197488eea45cSKlaus Jensen NvmeZone *zone; 197588eea45cSKlaus Jensen uint64_t slba; 197688eea45cSKlaus Jensen uint32_t nlb; 197788eea45cSKlaus Jensen 197888eea45cSKlaus Jensen slba = le64_to_cpu(rw->slba); 197988eea45cSKlaus Jensen nlb = le16_to_cpu(rw->nlb) + 1; 198088eea45cSKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 1981189a8bf7SKlaus Jensen assert(zone); 198288eea45cSKlaus Jensen 1983e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1984e321b4cdSKlaus Jensen uint64_t ezrwa = zone->w_ptr + ns->zns.zrwas - 1; 1985e321b4cdSKlaus Jensen uint64_t elba = slba + nlb - 1; 1986e321b4cdSKlaus Jensen 1987e321b4cdSKlaus Jensen if (elba > ezrwa) { 1988e321b4cdSKlaus Jensen nvme_zoned_zrwa_implicit_flush(ns, zone, elba - ezrwa); 1989e321b4cdSKlaus Jensen } 1990e321b4cdSKlaus Jensen 1991e321b4cdSKlaus Jensen return; 1992e321b4cdSKlaus Jensen } 1993e321b4cdSKlaus Jensen 199488eea45cSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlb); 199588eea45cSKlaus Jensen } 199688eea45cSKlaus Jensen 199788eea45cSKlaus Jensen static inline bool nvme_is_write(NvmeRequest *req) 199888eea45cSKlaus Jensen { 199988eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 200088eea45cSKlaus Jensen 200188eea45cSKlaus Jensen return rw->opcode == NVME_CMD_WRITE || 200288eea45cSKlaus Jensen rw->opcode == NVME_CMD_ZONE_APPEND || 200388eea45cSKlaus Jensen rw->opcode == NVME_CMD_WRITE_ZEROES; 200488eea45cSKlaus Jensen } 200588eea45cSKlaus Jensen 200638f4ac65SKlaus Jensen static AioContext *nvme_get_aio_context(BlockAIOCB *acb) 200738f4ac65SKlaus Jensen { 200838f4ac65SKlaus Jensen return qemu_get_aio_context(); 200938f4ac65SKlaus Jensen } 201038f4ac65SKlaus Jensen 201188eea45cSKlaus Jensen static void nvme_misc_cb(void *opaque, int ret) 201288eea45cSKlaus Jensen { 201388eea45cSKlaus Jensen NvmeRequest *req = opaque; 201488eea45cSKlaus Jensen 201538f4ac65SKlaus Jensen trace_pci_nvme_misc_cb(nvme_cid(req)); 201688eea45cSKlaus Jensen 201788eea45cSKlaus Jensen if (ret) { 201888eea45cSKlaus Jensen nvme_aio_err(req, ret); 201988eea45cSKlaus Jensen } 202088eea45cSKlaus Jensen 202188eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 202288eea45cSKlaus Jensen } 202388eea45cSKlaus Jensen 202488eea45cSKlaus Jensen void nvme_rw_complete_cb(void *opaque, int ret) 202588eea45cSKlaus Jensen { 202688eea45cSKlaus Jensen NvmeRequest *req = opaque; 202788eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 202888eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 202988eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 203088eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 203188eea45cSKlaus Jensen 203288eea45cSKlaus Jensen trace_pci_nvme_rw_complete_cb(nvme_cid(req), blk_name(blk)); 203388eea45cSKlaus Jensen 203488eea45cSKlaus Jensen if (ret) { 203588eea45cSKlaus Jensen block_acct_failed(stats, acct); 203688eea45cSKlaus Jensen nvme_aio_err(req, ret); 203788eea45cSKlaus Jensen } else { 203888eea45cSKlaus Jensen block_acct_done(stats, acct); 203988eea45cSKlaus Jensen } 204088eea45cSKlaus Jensen 204188eea45cSKlaus Jensen if (ns->params.zoned && nvme_is_write(req)) { 204288eea45cSKlaus Jensen nvme_finalize_zoned_write(ns, req); 204388eea45cSKlaus Jensen } 204488eea45cSKlaus Jensen 204588eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 204688eea45cSKlaus Jensen } 204788eea45cSKlaus Jensen 204888eea45cSKlaus Jensen static void nvme_rw_cb(void *opaque, int ret) 204988eea45cSKlaus Jensen { 205088eea45cSKlaus Jensen NvmeRequest *req = opaque; 205188eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 205288eea45cSKlaus Jensen 205388eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 205488eea45cSKlaus Jensen 205588eea45cSKlaus Jensen trace_pci_nvme_rw_cb(nvme_cid(req), blk_name(blk)); 205688eea45cSKlaus Jensen 205788eea45cSKlaus Jensen if (ret) { 205888eea45cSKlaus Jensen goto out; 205988eea45cSKlaus Jensen } 206088eea45cSKlaus Jensen 206188eea45cSKlaus Jensen if (ns->lbaf.ms) { 206288eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 206388eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 206488eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 206588eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 206688eea45cSKlaus Jensen 206788eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_WRITE_ZEROES) { 206888eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 206988eea45cSKlaus Jensen 207088eea45cSKlaus Jensen req->aiocb = blk_aio_pwrite_zeroes(blk, offset, mlen, 207188eea45cSKlaus Jensen BDRV_REQ_MAY_UNMAP, 207288eea45cSKlaus Jensen nvme_rw_complete_cb, req); 207388eea45cSKlaus Jensen return; 207488eea45cSKlaus Jensen } 207588eea45cSKlaus Jensen 207688eea45cSKlaus Jensen if (nvme_ns_ext(ns) || req->cmd.mptr) { 207788eea45cSKlaus Jensen uint16_t status; 207888eea45cSKlaus Jensen 207988eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 208088eea45cSKlaus Jensen status = nvme_map_mdata(nvme_ctrl(req), nlb, req); 208188eea45cSKlaus Jensen if (status) { 208288eea45cSKlaus Jensen ret = -EFAULT; 208388eea45cSKlaus Jensen goto out; 208488eea45cSKlaus Jensen } 208588eea45cSKlaus Jensen 208688eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_READ) { 208788eea45cSKlaus Jensen return nvme_blk_read(blk, offset, nvme_rw_complete_cb, req); 208888eea45cSKlaus Jensen } 208988eea45cSKlaus Jensen 209088eea45cSKlaus Jensen return nvme_blk_write(blk, offset, nvme_rw_complete_cb, req); 209188eea45cSKlaus Jensen } 209288eea45cSKlaus Jensen } 209388eea45cSKlaus Jensen 209488eea45cSKlaus Jensen out: 209588eea45cSKlaus Jensen nvme_rw_complete_cb(req, ret); 209688eea45cSKlaus Jensen } 209788eea45cSKlaus Jensen 209888eea45cSKlaus Jensen static void nvme_verify_cb(void *opaque, int ret) 209988eea45cSKlaus Jensen { 210088eea45cSKlaus Jensen NvmeBounceContext *ctx = opaque; 210188eea45cSKlaus Jensen NvmeRequest *req = ctx->req; 210288eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 210388eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 210488eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 210588eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 210688eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 210788eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 21082a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 210988eea45cSKlaus Jensen uint16_t apptag = le16_to_cpu(rw->apptag); 211088eea45cSKlaus Jensen uint16_t appmask = le16_to_cpu(rw->appmask); 211144219b60SNaveen Nagar uint64_t reftag = le32_to_cpu(rw->reftag); 211244219b60SNaveen Nagar uint64_t cdw3 = le32_to_cpu(rw->cdw3); 211388eea45cSKlaus Jensen uint16_t status; 211488eea45cSKlaus Jensen 211544219b60SNaveen Nagar reftag |= cdw3 << 32; 211644219b60SNaveen Nagar 21172a132309SKlaus Jensen trace_pci_nvme_verify_cb(nvme_cid(req), prinfo, apptag, appmask, reftag); 211888eea45cSKlaus Jensen 211988eea45cSKlaus Jensen if (ret) { 212088eea45cSKlaus Jensen block_acct_failed(stats, acct); 212188eea45cSKlaus Jensen nvme_aio_err(req, ret); 212288eea45cSKlaus Jensen goto out; 212388eea45cSKlaus Jensen } 212488eea45cSKlaus Jensen 212588eea45cSKlaus Jensen block_acct_done(stats, acct); 212688eea45cSKlaus Jensen 212788eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 212888eea45cSKlaus Jensen status = nvme_dif_mangle_mdata(ns, ctx->mdata.bounce, 212988eea45cSKlaus Jensen ctx->mdata.iov.size, slba); 213088eea45cSKlaus Jensen if (status) { 213188eea45cSKlaus Jensen req->status = status; 213288eea45cSKlaus Jensen goto out; 213388eea45cSKlaus Jensen } 213488eea45cSKlaus Jensen 213588eea45cSKlaus Jensen req->status = nvme_dif_check(ns, ctx->data.bounce, ctx->data.iov.size, 213688eea45cSKlaus Jensen ctx->mdata.bounce, ctx->mdata.iov.size, 21372a132309SKlaus Jensen prinfo, slba, apptag, appmask, &reftag); 213888eea45cSKlaus Jensen } 213988eea45cSKlaus Jensen 214088eea45cSKlaus Jensen out: 214188eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 214288eea45cSKlaus Jensen g_free(ctx->data.bounce); 214388eea45cSKlaus Jensen 214488eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->mdata.iov); 214588eea45cSKlaus Jensen g_free(ctx->mdata.bounce); 214688eea45cSKlaus Jensen 214788eea45cSKlaus Jensen g_free(ctx); 214888eea45cSKlaus Jensen 214988eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 215088eea45cSKlaus Jensen } 215188eea45cSKlaus Jensen 215288eea45cSKlaus Jensen 215388eea45cSKlaus Jensen static void nvme_verify_mdata_in_cb(void *opaque, int ret) 215488eea45cSKlaus Jensen { 215588eea45cSKlaus Jensen NvmeBounceContext *ctx = opaque; 215688eea45cSKlaus Jensen NvmeRequest *req = ctx->req; 215788eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 215888eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 215988eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 216088eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 216188eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 216288eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 216388eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 216488eea45cSKlaus Jensen 216588eea45cSKlaus Jensen trace_pci_nvme_verify_mdata_in_cb(nvme_cid(req), blk_name(blk)); 216688eea45cSKlaus Jensen 216788eea45cSKlaus Jensen if (ret) { 216888eea45cSKlaus Jensen goto out; 216988eea45cSKlaus Jensen } 217088eea45cSKlaus Jensen 217188eea45cSKlaus Jensen ctx->mdata.bounce = g_malloc(mlen); 217288eea45cSKlaus Jensen 217388eea45cSKlaus Jensen qemu_iovec_reset(&ctx->mdata.iov); 217488eea45cSKlaus Jensen qemu_iovec_add(&ctx->mdata.iov, ctx->mdata.bounce, mlen); 217588eea45cSKlaus Jensen 217688eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->mdata.iov, 0, 217788eea45cSKlaus Jensen nvme_verify_cb, ctx); 217888eea45cSKlaus Jensen return; 217988eea45cSKlaus Jensen 218088eea45cSKlaus Jensen out: 218188eea45cSKlaus Jensen nvme_verify_cb(ctx, ret); 218288eea45cSKlaus Jensen } 218388eea45cSKlaus Jensen 218488eea45cSKlaus Jensen struct nvme_compare_ctx { 218588eea45cSKlaus Jensen struct { 218688eea45cSKlaus Jensen QEMUIOVector iov; 218788eea45cSKlaus Jensen uint8_t *bounce; 218888eea45cSKlaus Jensen } data; 218988eea45cSKlaus Jensen 219088eea45cSKlaus Jensen struct { 219188eea45cSKlaus Jensen QEMUIOVector iov; 219288eea45cSKlaus Jensen uint8_t *bounce; 219388eea45cSKlaus Jensen } mdata; 219488eea45cSKlaus Jensen }; 219588eea45cSKlaus Jensen 219688eea45cSKlaus Jensen static void nvme_compare_mdata_cb(void *opaque, int ret) 219788eea45cSKlaus Jensen { 219888eea45cSKlaus Jensen NvmeRequest *req = opaque; 219988eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 220088eea45cSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 220188eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 22022a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 220388eea45cSKlaus Jensen uint16_t apptag = le16_to_cpu(rw->apptag); 220488eea45cSKlaus Jensen uint16_t appmask = le16_to_cpu(rw->appmask); 220544219b60SNaveen Nagar uint64_t reftag = le32_to_cpu(rw->reftag); 220644219b60SNaveen Nagar uint64_t cdw3 = le32_to_cpu(rw->cdw3); 220788eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = req->opaque; 220888eea45cSKlaus Jensen g_autofree uint8_t *buf = NULL; 220988eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 221088eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 221188eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 221288eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 221388eea45cSKlaus Jensen 221444219b60SNaveen Nagar reftag |= cdw3 << 32; 221544219b60SNaveen Nagar 221688eea45cSKlaus Jensen trace_pci_nvme_compare_mdata_cb(nvme_cid(req)); 221788eea45cSKlaus Jensen 221888eea45cSKlaus Jensen if (ret) { 221988eea45cSKlaus Jensen block_acct_failed(stats, acct); 222088eea45cSKlaus Jensen nvme_aio_err(req, ret); 222188eea45cSKlaus Jensen goto out; 222288eea45cSKlaus Jensen } 222388eea45cSKlaus Jensen 222488eea45cSKlaus Jensen buf = g_malloc(ctx->mdata.iov.size); 222588eea45cSKlaus Jensen 222688eea45cSKlaus Jensen status = nvme_bounce_mdata(n, buf, ctx->mdata.iov.size, 222788eea45cSKlaus Jensen NVME_TX_DIRECTION_TO_DEVICE, req); 222888eea45cSKlaus Jensen if (status) { 222988eea45cSKlaus Jensen req->status = status; 223088eea45cSKlaus Jensen goto out; 223188eea45cSKlaus Jensen } 223288eea45cSKlaus Jensen 223388eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 223488eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 223588eea45cSKlaus Jensen uint8_t *bufp; 223688eea45cSKlaus Jensen uint8_t *mbufp = ctx->mdata.bounce; 223788eea45cSKlaus Jensen uint8_t *end = mbufp + ctx->mdata.iov.size; 223888eea45cSKlaus Jensen int16_t pil = 0; 223988eea45cSKlaus Jensen 224088eea45cSKlaus Jensen status = nvme_dif_check(ns, ctx->data.bounce, ctx->data.iov.size, 22412a132309SKlaus Jensen ctx->mdata.bounce, ctx->mdata.iov.size, prinfo, 22420ca5c3ccSKlaus Jensen slba, apptag, appmask, &reftag); 224388eea45cSKlaus Jensen if (status) { 224488eea45cSKlaus Jensen req->status = status; 224588eea45cSKlaus Jensen goto out; 224688eea45cSKlaus Jensen } 224788eea45cSKlaus Jensen 224888eea45cSKlaus Jensen /* 224988eea45cSKlaus Jensen * When formatted with protection information, do not compare the DIF 225088eea45cSKlaus Jensen * tuple. 225188eea45cSKlaus Jensen */ 225288eea45cSKlaus Jensen if (!(ns->id_ns.dps & NVME_ID_NS_DPS_FIRST_EIGHT)) { 2253ac0b34c5SKlaus Jensen pil = ns->lbaf.ms - nvme_pi_tuple_size(ns); 225488eea45cSKlaus Jensen } 225588eea45cSKlaus Jensen 225688eea45cSKlaus Jensen for (bufp = buf; mbufp < end; bufp += ns->lbaf.ms, mbufp += ns->lbaf.ms) { 225788eea45cSKlaus Jensen if (memcmp(bufp + pil, mbufp + pil, ns->lbaf.ms - pil)) { 225888eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 225988eea45cSKlaus Jensen goto out; 226088eea45cSKlaus Jensen } 226188eea45cSKlaus Jensen } 226288eea45cSKlaus Jensen 226388eea45cSKlaus Jensen goto out; 226488eea45cSKlaus Jensen } 226588eea45cSKlaus Jensen 226688eea45cSKlaus Jensen if (memcmp(buf, ctx->mdata.bounce, ctx->mdata.iov.size)) { 226788eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 226888eea45cSKlaus Jensen goto out; 226988eea45cSKlaus Jensen } 227088eea45cSKlaus Jensen 227188eea45cSKlaus Jensen block_acct_done(stats, acct); 227288eea45cSKlaus Jensen 227388eea45cSKlaus Jensen out: 227488eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 227588eea45cSKlaus Jensen g_free(ctx->data.bounce); 227688eea45cSKlaus Jensen 227788eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->mdata.iov); 227888eea45cSKlaus Jensen g_free(ctx->mdata.bounce); 227988eea45cSKlaus Jensen 228088eea45cSKlaus Jensen g_free(ctx); 228188eea45cSKlaus Jensen 228288eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 228388eea45cSKlaus Jensen } 228488eea45cSKlaus Jensen 228588eea45cSKlaus Jensen static void nvme_compare_data_cb(void *opaque, int ret) 228688eea45cSKlaus Jensen { 228788eea45cSKlaus Jensen NvmeRequest *req = opaque; 228888eea45cSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 228988eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 229088eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 229188eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 229288eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 229388eea45cSKlaus Jensen 229488eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = req->opaque; 229588eea45cSKlaus Jensen g_autofree uint8_t *buf = NULL; 229688eea45cSKlaus Jensen uint16_t status; 229788eea45cSKlaus Jensen 229888eea45cSKlaus Jensen trace_pci_nvme_compare_data_cb(nvme_cid(req)); 229988eea45cSKlaus Jensen 230088eea45cSKlaus Jensen if (ret) { 230188eea45cSKlaus Jensen block_acct_failed(stats, acct); 230288eea45cSKlaus Jensen nvme_aio_err(req, ret); 230388eea45cSKlaus Jensen goto out; 230488eea45cSKlaus Jensen } 230588eea45cSKlaus Jensen 230688eea45cSKlaus Jensen buf = g_malloc(ctx->data.iov.size); 230788eea45cSKlaus Jensen 230888eea45cSKlaus Jensen status = nvme_bounce_data(n, buf, ctx->data.iov.size, 230988eea45cSKlaus Jensen NVME_TX_DIRECTION_TO_DEVICE, req); 231088eea45cSKlaus Jensen if (status) { 231188eea45cSKlaus Jensen req->status = status; 231288eea45cSKlaus Jensen goto out; 231388eea45cSKlaus Jensen } 231488eea45cSKlaus Jensen 231588eea45cSKlaus Jensen if (memcmp(buf, ctx->data.bounce, ctx->data.iov.size)) { 231688eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 231788eea45cSKlaus Jensen goto out; 231888eea45cSKlaus Jensen } 231988eea45cSKlaus Jensen 232088eea45cSKlaus Jensen if (ns->lbaf.ms) { 232188eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 232288eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 232388eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 232488eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 232588eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 232688eea45cSKlaus Jensen 232788eea45cSKlaus Jensen ctx->mdata.bounce = g_malloc(mlen); 232888eea45cSKlaus Jensen 232988eea45cSKlaus Jensen qemu_iovec_init(&ctx->mdata.iov, 1); 233088eea45cSKlaus Jensen qemu_iovec_add(&ctx->mdata.iov, ctx->mdata.bounce, mlen); 233188eea45cSKlaus Jensen 233288eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->mdata.iov, 0, 233388eea45cSKlaus Jensen nvme_compare_mdata_cb, req); 233488eea45cSKlaus Jensen return; 233588eea45cSKlaus Jensen } 233688eea45cSKlaus Jensen 233788eea45cSKlaus Jensen block_acct_done(stats, acct); 233888eea45cSKlaus Jensen 233988eea45cSKlaus Jensen out: 234088eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 234188eea45cSKlaus Jensen g_free(ctx->data.bounce); 234288eea45cSKlaus Jensen g_free(ctx); 234388eea45cSKlaus Jensen 234488eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 234588eea45cSKlaus Jensen } 234688eea45cSKlaus Jensen 2347d7d1474fSKlaus Jensen typedef struct NvmeDSMAIOCB { 2348d7d1474fSKlaus Jensen BlockAIOCB common; 2349d7d1474fSKlaus Jensen BlockAIOCB *aiocb; 2350d7d1474fSKlaus Jensen NvmeRequest *req; 2351d7d1474fSKlaus Jensen int ret; 2352d7d1474fSKlaus Jensen 2353d7d1474fSKlaus Jensen NvmeDsmRange *range; 2354d7d1474fSKlaus Jensen unsigned int nr; 2355d7d1474fSKlaus Jensen unsigned int idx; 2356d7d1474fSKlaus Jensen } NvmeDSMAIOCB; 2357d7d1474fSKlaus Jensen 2358d7d1474fSKlaus Jensen static void nvme_dsm_cancel(BlockAIOCB *aiocb) 2359d7d1474fSKlaus Jensen { 2360d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = container_of(aiocb, NvmeDSMAIOCB, common); 2361d7d1474fSKlaus Jensen 2362d7d1474fSKlaus Jensen /* break nvme_dsm_cb loop */ 2363d7d1474fSKlaus Jensen iocb->idx = iocb->nr; 2364d7d1474fSKlaus Jensen iocb->ret = -ECANCELED; 2365d7d1474fSKlaus Jensen 2366d7d1474fSKlaus Jensen if (iocb->aiocb) { 2367d7d1474fSKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 2368d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2369d7d1474fSKlaus Jensen } else { 2370d7d1474fSKlaus Jensen /* 2371d7d1474fSKlaus Jensen * We only reach this if nvme_dsm_cancel() has already been called or 2372818b9b8fSKlaus Jensen * the command ran to completion. 2373d7d1474fSKlaus Jensen */ 2374d7d1474fSKlaus Jensen assert(iocb->idx == iocb->nr); 2375d7d1474fSKlaus Jensen } 2376d7d1474fSKlaus Jensen } 2377d7d1474fSKlaus Jensen 2378d7d1474fSKlaus Jensen static const AIOCBInfo nvme_dsm_aiocb_info = { 2379d7d1474fSKlaus Jensen .aiocb_size = sizeof(NvmeDSMAIOCB), 2380d7d1474fSKlaus Jensen .cancel_async = nvme_dsm_cancel, 2381d7d1474fSKlaus Jensen }; 2382d7d1474fSKlaus Jensen 2383d7d1474fSKlaus Jensen static void nvme_dsm_cb(void *opaque, int ret); 2384d7d1474fSKlaus Jensen 2385d7d1474fSKlaus Jensen static void nvme_dsm_md_cb(void *opaque, int ret) 2386d7d1474fSKlaus Jensen { 2387d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2388d7d1474fSKlaus Jensen NvmeRequest *req = iocb->req; 2389d7d1474fSKlaus Jensen NvmeNamespace *ns = req->ns; 2390d7d1474fSKlaus Jensen NvmeDsmRange *range; 2391d7d1474fSKlaus Jensen uint64_t slba; 2392d7d1474fSKlaus Jensen uint32_t nlb; 2393d7d1474fSKlaus Jensen 2394818b9b8fSKlaus Jensen if (ret < 0 || iocb->ret < 0 || !ns->lbaf.ms) { 2395d7d1474fSKlaus Jensen goto done; 2396d7d1474fSKlaus Jensen } 2397d7d1474fSKlaus Jensen 2398d7d1474fSKlaus Jensen range = &iocb->range[iocb->idx - 1]; 2399d7d1474fSKlaus Jensen slba = le64_to_cpu(range->slba); 2400d7d1474fSKlaus Jensen nlb = le32_to_cpu(range->nlb); 2401d7d1474fSKlaus Jensen 2402d7d1474fSKlaus Jensen /* 2403d7d1474fSKlaus Jensen * Check that all block were discarded (zeroed); otherwise we do not zero 2404d7d1474fSKlaus Jensen * the metadata. 2405d7d1474fSKlaus Jensen */ 2406d7d1474fSKlaus Jensen 2407d7d1474fSKlaus Jensen ret = nvme_block_status_all(ns, slba, nlb, BDRV_BLOCK_ZERO); 2408d7d1474fSKlaus Jensen if (ret) { 2409d7d1474fSKlaus Jensen if (ret < 0) { 2410d7d1474fSKlaus Jensen goto done; 2411d7d1474fSKlaus Jensen } 2412d7d1474fSKlaus Jensen 2413d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 241451c45326SDmitry Tikhov return; 2415d7d1474fSKlaus Jensen } 2416d7d1474fSKlaus Jensen 2417d7d1474fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, nvme_moff(ns, slba), 2418d7d1474fSKlaus Jensen nvme_m2b(ns, nlb), BDRV_REQ_MAY_UNMAP, 2419d7d1474fSKlaus Jensen nvme_dsm_cb, iocb); 2420d7d1474fSKlaus Jensen return; 2421d7d1474fSKlaus Jensen 2422d7d1474fSKlaus Jensen done: 2423818b9b8fSKlaus Jensen nvme_dsm_cb(iocb, ret); 2424d7d1474fSKlaus Jensen } 2425d7d1474fSKlaus Jensen 2426d7d1474fSKlaus Jensen static void nvme_dsm_cb(void *opaque, int ret) 2427d7d1474fSKlaus Jensen { 2428d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2429d7d1474fSKlaus Jensen NvmeRequest *req = iocb->req; 2430d7d1474fSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 2431d7d1474fSKlaus Jensen NvmeNamespace *ns = req->ns; 2432d7d1474fSKlaus Jensen NvmeDsmRange *range; 2433d7d1474fSKlaus Jensen uint64_t slba; 2434d7d1474fSKlaus Jensen uint32_t nlb; 2435d7d1474fSKlaus Jensen 2436818b9b8fSKlaus Jensen if (iocb->ret < 0) { 2437818b9b8fSKlaus Jensen goto done; 2438818b9b8fSKlaus Jensen } else if (ret < 0) { 2439d7d1474fSKlaus Jensen iocb->ret = ret; 2440d7d1474fSKlaus Jensen goto done; 2441d7d1474fSKlaus Jensen } 2442d7d1474fSKlaus Jensen 2443d7d1474fSKlaus Jensen next: 2444d7d1474fSKlaus Jensen if (iocb->idx == iocb->nr) { 2445d7d1474fSKlaus Jensen goto done; 2446d7d1474fSKlaus Jensen } 2447d7d1474fSKlaus Jensen 2448d7d1474fSKlaus Jensen range = &iocb->range[iocb->idx++]; 2449d7d1474fSKlaus Jensen slba = le64_to_cpu(range->slba); 2450d7d1474fSKlaus Jensen nlb = le32_to_cpu(range->nlb); 2451d7d1474fSKlaus Jensen 2452d7d1474fSKlaus Jensen trace_pci_nvme_dsm_deallocate(slba, nlb); 2453d7d1474fSKlaus Jensen 2454d7d1474fSKlaus Jensen if (nlb > n->dmrsl) { 2455d7d1474fSKlaus Jensen trace_pci_nvme_dsm_single_range_limit_exceeded(nlb, n->dmrsl); 2456d7d1474fSKlaus Jensen goto next; 2457d7d1474fSKlaus Jensen } 2458d7d1474fSKlaus Jensen 2459d7d1474fSKlaus Jensen if (nvme_check_bounds(ns, slba, nlb)) { 2460d7d1474fSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(slba, nlb, 2461d7d1474fSKlaus Jensen ns->id_ns.nsze); 2462d7d1474fSKlaus Jensen goto next; 2463d7d1474fSKlaus Jensen } 2464d7d1474fSKlaus Jensen 2465d7d1474fSKlaus Jensen iocb->aiocb = blk_aio_pdiscard(ns->blkconf.blk, nvme_l2b(ns, slba), 2466d7d1474fSKlaus Jensen nvme_l2b(ns, nlb), 2467d7d1474fSKlaus Jensen nvme_dsm_md_cb, iocb); 2468d7d1474fSKlaus Jensen return; 2469d7d1474fSKlaus Jensen 2470d7d1474fSKlaus Jensen done: 2471d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2472818b9b8fSKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 2473818b9b8fSKlaus Jensen qemu_aio_unref(iocb); 2474d7d1474fSKlaus Jensen } 2475d7d1474fSKlaus Jensen 247688eea45cSKlaus Jensen static uint16_t nvme_dsm(NvmeCtrl *n, NvmeRequest *req) 247788eea45cSKlaus Jensen { 247888eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 247988eea45cSKlaus Jensen NvmeDsmCmd *dsm = (NvmeDsmCmd *) &req->cmd; 248088eea45cSKlaus Jensen uint32_t attr = le32_to_cpu(dsm->attributes); 248188eea45cSKlaus Jensen uint32_t nr = (le32_to_cpu(dsm->nr) & 0xff) + 1; 248288eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 248388eea45cSKlaus Jensen 2484d7d1474fSKlaus Jensen trace_pci_nvme_dsm(nr, attr); 248588eea45cSKlaus Jensen 248688eea45cSKlaus Jensen if (attr & NVME_DSMGMT_AD) { 2487d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = blk_aio_get(&nvme_dsm_aiocb_info, ns->blkconf.blk, 2488d7d1474fSKlaus Jensen nvme_misc_cb, req); 248988eea45cSKlaus Jensen 2490d7d1474fSKlaus Jensen iocb->req = req; 2491d7d1474fSKlaus Jensen iocb->ret = 0; 2492d7d1474fSKlaus Jensen iocb->range = g_new(NvmeDsmRange, nr); 2493d7d1474fSKlaus Jensen iocb->nr = nr; 2494d7d1474fSKlaus Jensen iocb->idx = 0; 2495d7d1474fSKlaus Jensen 2496d7d1474fSKlaus Jensen status = nvme_h2c(n, (uint8_t *)iocb->range, sizeof(NvmeDsmRange) * nr, 2497d7d1474fSKlaus Jensen req); 249888eea45cSKlaus Jensen if (status) { 249988eea45cSKlaus Jensen return status; 250088eea45cSKlaus Jensen } 250188eea45cSKlaus Jensen 2502d7d1474fSKlaus Jensen req->aiocb = &iocb->common; 2503d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 250488eea45cSKlaus Jensen 2505d7d1474fSKlaus Jensen return NVME_NO_COMPLETE; 250688eea45cSKlaus Jensen } 250788eea45cSKlaus Jensen 250888eea45cSKlaus Jensen return status; 250988eea45cSKlaus Jensen } 251088eea45cSKlaus Jensen 251188eea45cSKlaus Jensen static uint16_t nvme_verify(NvmeCtrl *n, NvmeRequest *req) 251288eea45cSKlaus Jensen { 251388eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 251488eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 251588eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 251688eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 251788eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 251888eea45cSKlaus Jensen size_t len = nvme_l2b(ns, nlb); 251988eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 25202a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 252188eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 252288eea45cSKlaus Jensen NvmeBounceContext *ctx = NULL; 252388eea45cSKlaus Jensen uint16_t status; 252488eea45cSKlaus Jensen 252588eea45cSKlaus Jensen trace_pci_nvme_verify(nvme_cid(req), nvme_nsid(ns), slba, nlb); 252688eea45cSKlaus Jensen 252788eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 25282a132309SKlaus Jensen status = nvme_check_prinfo(ns, prinfo, slba, reftag); 252988eea45cSKlaus Jensen if (status) { 253088eea45cSKlaus Jensen return status; 253188eea45cSKlaus Jensen } 253288eea45cSKlaus Jensen 25332a132309SKlaus Jensen if (prinfo & NVME_PRINFO_PRACT) { 253488eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 253588eea45cSKlaus Jensen } 253688eea45cSKlaus Jensen } 253788eea45cSKlaus Jensen 253888eea45cSKlaus Jensen if (len > n->page_size << n->params.vsl) { 253988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 254088eea45cSKlaus Jensen } 254188eea45cSKlaus Jensen 254288eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 254388eea45cSKlaus Jensen if (status) { 254488eea45cSKlaus Jensen return status; 254588eea45cSKlaus Jensen } 254688eea45cSKlaus Jensen 254788eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 254888eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 254988eea45cSKlaus Jensen if (status) { 255088eea45cSKlaus Jensen return status; 255188eea45cSKlaus Jensen } 255288eea45cSKlaus Jensen } 255388eea45cSKlaus Jensen 255488eea45cSKlaus Jensen ctx = g_new0(NvmeBounceContext, 1); 255588eea45cSKlaus Jensen ctx->req = req; 255688eea45cSKlaus Jensen 255788eea45cSKlaus Jensen ctx->data.bounce = g_malloc(len); 255888eea45cSKlaus Jensen 255988eea45cSKlaus Jensen qemu_iovec_init(&ctx->data.iov, 1); 256088eea45cSKlaus Jensen qemu_iovec_add(&ctx->data.iov, ctx->data.bounce, len); 256188eea45cSKlaus Jensen 256288eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, ctx->data.iov.size, 256388eea45cSKlaus Jensen BLOCK_ACCT_READ); 256488eea45cSKlaus Jensen 256588eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(ns->blkconf.blk, offset, &ctx->data.iov, 0, 256688eea45cSKlaus Jensen nvme_verify_mdata_in_cb, ctx); 256788eea45cSKlaus Jensen return NVME_NO_COMPLETE; 256888eea45cSKlaus Jensen } 256988eea45cSKlaus Jensen 2570796d2068SKlaus Jensen typedef struct NvmeCopyAIOCB { 2571796d2068SKlaus Jensen BlockAIOCB common; 2572796d2068SKlaus Jensen BlockAIOCB *aiocb; 2573796d2068SKlaus Jensen NvmeRequest *req; 2574796d2068SKlaus Jensen int ret; 2575796d2068SKlaus Jensen 257644219b60SNaveen Nagar void *ranges; 257744219b60SNaveen Nagar unsigned int format; 2578796d2068SKlaus Jensen int nr; 2579796d2068SKlaus Jensen int idx; 2580796d2068SKlaus Jensen 2581796d2068SKlaus Jensen uint8_t *bounce; 2582796d2068SKlaus Jensen QEMUIOVector iov; 2583796d2068SKlaus Jensen struct { 2584796d2068SKlaus Jensen BlockAcctCookie read; 2585796d2068SKlaus Jensen BlockAcctCookie write; 2586796d2068SKlaus Jensen } acct; 2587796d2068SKlaus Jensen 258844219b60SNaveen Nagar uint64_t reftag; 2589796d2068SKlaus Jensen uint64_t slba; 2590796d2068SKlaus Jensen 2591796d2068SKlaus Jensen NvmeZone *zone; 2592796d2068SKlaus Jensen } NvmeCopyAIOCB; 2593796d2068SKlaus Jensen 2594796d2068SKlaus Jensen static void nvme_copy_cancel(BlockAIOCB *aiocb) 259588eea45cSKlaus Jensen { 2596796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = container_of(aiocb, NvmeCopyAIOCB, common); 2597796d2068SKlaus Jensen 2598796d2068SKlaus Jensen iocb->ret = -ECANCELED; 2599796d2068SKlaus Jensen 2600796d2068SKlaus Jensen if (iocb->aiocb) { 2601796d2068SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 2602796d2068SKlaus Jensen iocb->aiocb = NULL; 2603796d2068SKlaus Jensen } 2604796d2068SKlaus Jensen } 2605796d2068SKlaus Jensen 2606796d2068SKlaus Jensen static const AIOCBInfo nvme_copy_aiocb_info = { 2607796d2068SKlaus Jensen .aiocb_size = sizeof(NvmeCopyAIOCB), 2608796d2068SKlaus Jensen .cancel_async = nvme_copy_cancel, 2609796d2068SKlaus Jensen }; 2610796d2068SKlaus Jensen 261183f56ac3SKlaus Jensen static void nvme_copy_done(NvmeCopyAIOCB *iocb) 2612796d2068SKlaus Jensen { 2613796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 261488eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 2615796d2068SKlaus Jensen BlockAcctStats *stats = blk_get_stats(ns->blkconf.blk); 2616796d2068SKlaus Jensen 2617796d2068SKlaus Jensen if (iocb->idx != iocb->nr) { 2618796d2068SKlaus Jensen req->cqe.result = cpu_to_le32(iocb->idx); 2619796d2068SKlaus Jensen } 2620796d2068SKlaus Jensen 2621796d2068SKlaus Jensen qemu_iovec_destroy(&iocb->iov); 2622796d2068SKlaus Jensen g_free(iocb->bounce); 2623796d2068SKlaus Jensen 2624796d2068SKlaus Jensen if (iocb->ret < 0) { 2625796d2068SKlaus Jensen block_acct_failed(stats, &iocb->acct.read); 2626796d2068SKlaus Jensen block_acct_failed(stats, &iocb->acct.write); 2627796d2068SKlaus Jensen } else { 2628796d2068SKlaus Jensen block_acct_done(stats, &iocb->acct.read); 2629796d2068SKlaus Jensen block_acct_done(stats, &iocb->acct.write); 2630796d2068SKlaus Jensen } 2631796d2068SKlaus Jensen 2632796d2068SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 2633796d2068SKlaus Jensen qemu_aio_unref(iocb); 2634796d2068SKlaus Jensen } 2635796d2068SKlaus Jensen 263683f56ac3SKlaus Jensen static void nvme_do_copy(NvmeCopyAIOCB *iocb); 2637796d2068SKlaus Jensen 263844219b60SNaveen Nagar static void nvme_copy_source_range_parse_format0(void *ranges, int idx, 263944219b60SNaveen Nagar uint64_t *slba, uint32_t *nlb, 264044219b60SNaveen Nagar uint16_t *apptag, 264144219b60SNaveen Nagar uint16_t *appmask, 264244219b60SNaveen Nagar uint64_t *reftag) 264344219b60SNaveen Nagar { 264444219b60SNaveen Nagar NvmeCopySourceRangeFormat0 *_ranges = ranges; 264544219b60SNaveen Nagar 264644219b60SNaveen Nagar if (slba) { 264744219b60SNaveen Nagar *slba = le64_to_cpu(_ranges[idx].slba); 264844219b60SNaveen Nagar } 264944219b60SNaveen Nagar 265044219b60SNaveen Nagar if (nlb) { 265144219b60SNaveen Nagar *nlb = le16_to_cpu(_ranges[idx].nlb) + 1; 265244219b60SNaveen Nagar } 265344219b60SNaveen Nagar 265444219b60SNaveen Nagar if (apptag) { 265544219b60SNaveen Nagar *apptag = le16_to_cpu(_ranges[idx].apptag); 265644219b60SNaveen Nagar } 265744219b60SNaveen Nagar 265844219b60SNaveen Nagar if (appmask) { 265944219b60SNaveen Nagar *appmask = le16_to_cpu(_ranges[idx].appmask); 266044219b60SNaveen Nagar } 266144219b60SNaveen Nagar 266244219b60SNaveen Nagar if (reftag) { 266344219b60SNaveen Nagar *reftag = le32_to_cpu(_ranges[idx].reftag); 266444219b60SNaveen Nagar } 266544219b60SNaveen Nagar } 266644219b60SNaveen Nagar 266744219b60SNaveen Nagar static void nvme_copy_source_range_parse_format1(void *ranges, int idx, 266844219b60SNaveen Nagar uint64_t *slba, uint32_t *nlb, 266944219b60SNaveen Nagar uint16_t *apptag, 267044219b60SNaveen Nagar uint16_t *appmask, 267144219b60SNaveen Nagar uint64_t *reftag) 267244219b60SNaveen Nagar { 267344219b60SNaveen Nagar NvmeCopySourceRangeFormat1 *_ranges = ranges; 267444219b60SNaveen Nagar 267544219b60SNaveen Nagar if (slba) { 267644219b60SNaveen Nagar *slba = le64_to_cpu(_ranges[idx].slba); 267744219b60SNaveen Nagar } 267844219b60SNaveen Nagar 267944219b60SNaveen Nagar if (nlb) { 268044219b60SNaveen Nagar *nlb = le16_to_cpu(_ranges[idx].nlb) + 1; 268144219b60SNaveen Nagar } 268244219b60SNaveen Nagar 268344219b60SNaveen Nagar if (apptag) { 268444219b60SNaveen Nagar *apptag = le16_to_cpu(_ranges[idx].apptag); 268544219b60SNaveen Nagar } 268644219b60SNaveen Nagar 268744219b60SNaveen Nagar if (appmask) { 268844219b60SNaveen Nagar *appmask = le16_to_cpu(_ranges[idx].appmask); 268944219b60SNaveen Nagar } 269044219b60SNaveen Nagar 269144219b60SNaveen Nagar if (reftag) { 269244219b60SNaveen Nagar *reftag = 0; 269344219b60SNaveen Nagar 269444219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[4] << 40; 269544219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[5] << 32; 269644219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[6] << 24; 269744219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[7] << 16; 269844219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[8] << 8; 269944219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[9]; 270044219b60SNaveen Nagar } 270144219b60SNaveen Nagar } 270244219b60SNaveen Nagar 270344219b60SNaveen Nagar static void nvme_copy_source_range_parse(void *ranges, int idx, uint8_t format, 270444219b60SNaveen Nagar uint64_t *slba, uint32_t *nlb, 270544219b60SNaveen Nagar uint16_t *apptag, uint16_t *appmask, 270644219b60SNaveen Nagar uint64_t *reftag) 270744219b60SNaveen Nagar { 270844219b60SNaveen Nagar switch (format) { 270944219b60SNaveen Nagar case NVME_COPY_FORMAT_0: 271044219b60SNaveen Nagar nvme_copy_source_range_parse_format0(ranges, idx, slba, nlb, apptag, 271144219b60SNaveen Nagar appmask, reftag); 271244219b60SNaveen Nagar break; 271344219b60SNaveen Nagar 271444219b60SNaveen Nagar case NVME_COPY_FORMAT_1: 271544219b60SNaveen Nagar nvme_copy_source_range_parse_format1(ranges, idx, slba, nlb, apptag, 271644219b60SNaveen Nagar appmask, reftag); 271744219b60SNaveen Nagar break; 271844219b60SNaveen Nagar 271944219b60SNaveen Nagar default: 272044219b60SNaveen Nagar abort(); 272144219b60SNaveen Nagar } 272244219b60SNaveen Nagar } 272344219b60SNaveen Nagar 2724796d2068SKlaus Jensen static void nvme_copy_out_completed_cb(void *opaque, int ret) 2725796d2068SKlaus Jensen { 2726796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2727796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2728796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 272944219b60SNaveen Nagar uint32_t nlb; 273044219b60SNaveen Nagar 273144219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, NULL, 273244219b60SNaveen Nagar &nlb, NULL, NULL, NULL); 2733796d2068SKlaus Jensen 2734796d2068SKlaus Jensen if (ret < 0) { 2735796d2068SKlaus Jensen iocb->ret = ret; 2736796d2068SKlaus Jensen goto out; 2737796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2738796d2068SKlaus Jensen goto out; 2739796d2068SKlaus Jensen } 2740796d2068SKlaus Jensen 2741796d2068SKlaus Jensen if (ns->params.zoned) { 2742796d2068SKlaus Jensen nvme_advance_zone_wp(ns, iocb->zone, nlb); 2743796d2068SKlaus Jensen } 2744796d2068SKlaus Jensen 2745796d2068SKlaus Jensen iocb->idx++; 2746796d2068SKlaus Jensen iocb->slba += nlb; 2747796d2068SKlaus Jensen out: 274883f56ac3SKlaus Jensen nvme_do_copy(iocb); 2749796d2068SKlaus Jensen } 2750796d2068SKlaus Jensen 2751796d2068SKlaus Jensen static void nvme_copy_out_cb(void *opaque, int ret) 2752796d2068SKlaus Jensen { 2753796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2754796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2755796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2756796d2068SKlaus Jensen uint32_t nlb; 2757796d2068SKlaus Jensen size_t mlen; 2758796d2068SKlaus Jensen uint8_t *mbounce; 2759796d2068SKlaus Jensen 276083f56ac3SKlaus Jensen if (ret < 0 || iocb->ret < 0 || !ns->lbaf.ms) { 2761796d2068SKlaus Jensen goto out; 2762796d2068SKlaus Jensen } 2763796d2068SKlaus Jensen 276444219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, NULL, 276544219b60SNaveen Nagar &nlb, NULL, NULL, NULL); 2766796d2068SKlaus Jensen 2767796d2068SKlaus Jensen mlen = nvme_m2b(ns, nlb); 2768796d2068SKlaus Jensen mbounce = iocb->bounce + nvme_l2b(ns, nlb); 2769796d2068SKlaus Jensen 2770796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2771796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, mbounce, mlen); 2772796d2068SKlaus Jensen 2773796d2068SKlaus Jensen iocb->aiocb = blk_aio_pwritev(ns->blkconf.blk, nvme_moff(ns, iocb->slba), 2774796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_out_completed_cb, 2775796d2068SKlaus Jensen iocb); 2776796d2068SKlaus Jensen 2777796d2068SKlaus Jensen return; 2778796d2068SKlaus Jensen 2779796d2068SKlaus Jensen out: 278083f56ac3SKlaus Jensen nvme_copy_out_completed_cb(iocb, ret); 2781796d2068SKlaus Jensen } 2782796d2068SKlaus Jensen 2783796d2068SKlaus Jensen static void nvme_copy_in_completed_cb(void *opaque, int ret) 2784796d2068SKlaus Jensen { 2785796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2786796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2787796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2788796d2068SKlaus Jensen uint32_t nlb; 278944219b60SNaveen Nagar uint64_t slba; 279044219b60SNaveen Nagar uint16_t apptag, appmask; 279144219b60SNaveen Nagar uint64_t reftag; 2792796d2068SKlaus Jensen size_t len; 2793796d2068SKlaus Jensen uint16_t status; 2794796d2068SKlaus Jensen 2795796d2068SKlaus Jensen if (ret < 0) { 2796796d2068SKlaus Jensen iocb->ret = ret; 2797796d2068SKlaus Jensen goto out; 2798796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2799796d2068SKlaus Jensen goto out; 2800796d2068SKlaus Jensen } 2801796d2068SKlaus Jensen 280244219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, &slba, 280344219b60SNaveen Nagar &nlb, &apptag, &appmask, &reftag); 2804796d2068SKlaus Jensen len = nvme_l2b(ns, nlb); 2805796d2068SKlaus Jensen 2806796d2068SKlaus Jensen trace_pci_nvme_copy_out(iocb->slba, nlb); 2807796d2068SKlaus Jensen 2808796d2068SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 280988eea45cSKlaus Jensen NvmeCopyCmd *copy = (NvmeCopyCmd *)&req->cmd; 281088eea45cSKlaus Jensen 2811796d2068SKlaus Jensen uint16_t prinfor = ((copy->control[0] >> 4) & 0xf); 2812796d2068SKlaus Jensen uint16_t prinfow = ((copy->control[2] >> 2) & 0xf); 281388eea45cSKlaus Jensen 2814796d2068SKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 2815796d2068SKlaus Jensen uint8_t *mbounce = iocb->bounce + nvme_l2b(ns, nlb); 2816796d2068SKlaus Jensen 28172e8f952aSDmitry Tikhov status = nvme_dif_mangle_mdata(ns, mbounce, mlen, slba); 28182e8f952aSDmitry Tikhov if (status) { 28192e8f952aSDmitry Tikhov goto invalid; 28202e8f952aSDmitry Tikhov } 2821796d2068SKlaus Jensen status = nvme_dif_check(ns, iocb->bounce, len, mbounce, mlen, prinfor, 2822796d2068SKlaus Jensen slba, apptag, appmask, &reftag); 2823796d2068SKlaus Jensen if (status) { 2824796d2068SKlaus Jensen goto invalid; 2825796d2068SKlaus Jensen } 2826796d2068SKlaus Jensen 2827796d2068SKlaus Jensen apptag = le16_to_cpu(copy->apptag); 2828796d2068SKlaus Jensen appmask = le16_to_cpu(copy->appmask); 2829796d2068SKlaus Jensen 2830796d2068SKlaus Jensen if (prinfow & NVME_PRINFO_PRACT) { 2831796d2068SKlaus Jensen status = nvme_check_prinfo(ns, prinfow, iocb->slba, iocb->reftag); 2832796d2068SKlaus Jensen if (status) { 2833796d2068SKlaus Jensen goto invalid; 2834796d2068SKlaus Jensen } 2835796d2068SKlaus Jensen 2836796d2068SKlaus Jensen nvme_dif_pract_generate_dif(ns, iocb->bounce, len, mbounce, mlen, 2837796d2068SKlaus Jensen apptag, &iocb->reftag); 2838796d2068SKlaus Jensen } else { 2839796d2068SKlaus Jensen status = nvme_dif_check(ns, iocb->bounce, len, mbounce, mlen, 2840796d2068SKlaus Jensen prinfow, iocb->slba, apptag, appmask, 2841796d2068SKlaus Jensen &iocb->reftag); 2842796d2068SKlaus Jensen if (status) { 2843796d2068SKlaus Jensen goto invalid; 2844796d2068SKlaus Jensen } 2845796d2068SKlaus Jensen } 2846796d2068SKlaus Jensen } 2847796d2068SKlaus Jensen 2848796d2068SKlaus Jensen status = nvme_check_bounds(ns, iocb->slba, nlb); 2849796d2068SKlaus Jensen if (status) { 2850796d2068SKlaus Jensen goto invalid; 2851796d2068SKlaus Jensen } 2852796d2068SKlaus Jensen 2853796d2068SKlaus Jensen if (ns->params.zoned) { 2854796d2068SKlaus Jensen status = nvme_check_zone_write(ns, iocb->zone, iocb->slba, nlb); 2855796d2068SKlaus Jensen if (status) { 2856796d2068SKlaus Jensen goto invalid; 2857796d2068SKlaus Jensen } 2858796d2068SKlaus Jensen 2859e321b4cdSKlaus Jensen if (!(iocb->zone->d.za & NVME_ZA_ZRWA_VALID)) { 2860796d2068SKlaus Jensen iocb->zone->w_ptr += nlb; 2861796d2068SKlaus Jensen } 2862e321b4cdSKlaus Jensen } 2863796d2068SKlaus Jensen 2864796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2865796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce, len); 2866796d2068SKlaus Jensen 2867796d2068SKlaus Jensen iocb->aiocb = blk_aio_pwritev(ns->blkconf.blk, nvme_l2b(ns, iocb->slba), 2868796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_out_cb, iocb); 2869796d2068SKlaus Jensen 2870796d2068SKlaus Jensen return; 2871796d2068SKlaus Jensen 2872796d2068SKlaus Jensen invalid: 2873796d2068SKlaus Jensen req->status = status; 287483f56ac3SKlaus Jensen iocb->ret = -1; 2875796d2068SKlaus Jensen out: 287683f56ac3SKlaus Jensen nvme_do_copy(iocb); 2877796d2068SKlaus Jensen } 2878796d2068SKlaus Jensen 2879796d2068SKlaus Jensen static void nvme_copy_in_cb(void *opaque, int ret) 2880796d2068SKlaus Jensen { 2881796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2882796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2883796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2884796d2068SKlaus Jensen uint64_t slba; 2885796d2068SKlaus Jensen uint32_t nlb; 2886796d2068SKlaus Jensen 288783f56ac3SKlaus Jensen if (ret < 0 || iocb->ret < 0 || !ns->lbaf.ms) { 2888796d2068SKlaus Jensen goto out; 2889796d2068SKlaus Jensen } 2890796d2068SKlaus Jensen 289144219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, &slba, 289244219b60SNaveen Nagar &nlb, NULL, NULL, NULL); 2893796d2068SKlaus Jensen 2894796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2895796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce + nvme_l2b(ns, nlb), 2896796d2068SKlaus Jensen nvme_m2b(ns, nlb)); 2897796d2068SKlaus Jensen 2898796d2068SKlaus Jensen iocb->aiocb = blk_aio_preadv(ns->blkconf.blk, nvme_moff(ns, slba), 2899796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_in_completed_cb, 2900796d2068SKlaus Jensen iocb); 2901796d2068SKlaus Jensen return; 2902796d2068SKlaus Jensen 2903796d2068SKlaus Jensen out: 290483f56ac3SKlaus Jensen nvme_copy_in_completed_cb(iocb, ret); 2905796d2068SKlaus Jensen } 2906796d2068SKlaus Jensen 290783f56ac3SKlaus Jensen static void nvme_do_copy(NvmeCopyAIOCB *iocb) 2908796d2068SKlaus Jensen { 2909796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2910796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2911796d2068SKlaus Jensen uint64_t slba; 2912796d2068SKlaus Jensen uint32_t nlb; 2913796d2068SKlaus Jensen size_t len; 291488eea45cSKlaus Jensen uint16_t status; 291588eea45cSKlaus Jensen 291683f56ac3SKlaus Jensen if (iocb->ret < 0) { 2917796d2068SKlaus Jensen goto done; 291888eea45cSKlaus Jensen } 291988eea45cSKlaus Jensen 2920796d2068SKlaus Jensen if (iocb->idx == iocb->nr) { 2921796d2068SKlaus Jensen goto done; 292288eea45cSKlaus Jensen } 292388eea45cSKlaus Jensen 292444219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, &slba, 292544219b60SNaveen Nagar &nlb, NULL, NULL, NULL); 2926796d2068SKlaus Jensen len = nvme_l2b(ns, nlb); 292788eea45cSKlaus Jensen 2928796d2068SKlaus Jensen trace_pci_nvme_copy_source_range(slba, nlb); 292988eea45cSKlaus Jensen 2930796d2068SKlaus Jensen if (nlb > le16_to_cpu(ns->id_ns.mssrl)) { 293188eea45cSKlaus Jensen status = NVME_CMD_SIZE_LIMIT | NVME_DNR; 2932796d2068SKlaus Jensen goto invalid; 293388eea45cSKlaus Jensen } 293488eea45cSKlaus Jensen 2935796d2068SKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 293688eea45cSKlaus Jensen if (status) { 2937796d2068SKlaus Jensen goto invalid; 293888eea45cSKlaus Jensen } 293988eea45cSKlaus Jensen 294088eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 2941796d2068SKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 294288eea45cSKlaus Jensen if (status) { 2943796d2068SKlaus Jensen goto invalid; 294488eea45cSKlaus Jensen } 294588eea45cSKlaus Jensen } 294688eea45cSKlaus Jensen 294788eea45cSKlaus Jensen if (ns->params.zoned) { 2948796d2068SKlaus Jensen status = nvme_check_zone_read(ns, slba, nlb); 294988eea45cSKlaus Jensen if (status) { 2950796d2068SKlaus Jensen goto invalid; 295188eea45cSKlaus Jensen } 295288eea45cSKlaus Jensen } 295388eea45cSKlaus Jensen 2954796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2955796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce, len); 2956796d2068SKlaus Jensen 2957796d2068SKlaus Jensen iocb->aiocb = blk_aio_preadv(ns->blkconf.blk, nvme_l2b(ns, slba), 2958796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_in_cb, iocb); 2959796d2068SKlaus Jensen return; 2960796d2068SKlaus Jensen 2961796d2068SKlaus Jensen invalid: 2962796d2068SKlaus Jensen req->status = status; 296383f56ac3SKlaus Jensen iocb->ret = -1; 2964796d2068SKlaus Jensen done: 296583f56ac3SKlaus Jensen nvme_copy_done(iocb); 2966796d2068SKlaus Jensen } 2967796d2068SKlaus Jensen 2968796d2068SKlaus Jensen static uint16_t nvme_copy(NvmeCtrl *n, NvmeRequest *req) 2969796d2068SKlaus Jensen { 2970796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2971796d2068SKlaus Jensen NvmeCopyCmd *copy = (NvmeCopyCmd *)&req->cmd; 2972796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = blk_aio_get(&nvme_copy_aiocb_info, ns->blkconf.blk, 2973796d2068SKlaus Jensen nvme_misc_cb, req); 2974796d2068SKlaus Jensen uint16_t nr = copy->nr + 1; 2975796d2068SKlaus Jensen uint8_t format = copy->control[0] & 0xf; 2976796d2068SKlaus Jensen uint16_t prinfor = ((copy->control[0] >> 4) & 0xf); 2977796d2068SKlaus Jensen uint16_t prinfow = ((copy->control[2] >> 2) & 0xf); 297844219b60SNaveen Nagar size_t len = sizeof(NvmeCopySourceRangeFormat0); 2979796d2068SKlaus Jensen 2980796d2068SKlaus Jensen uint16_t status; 2981796d2068SKlaus Jensen 2982796d2068SKlaus Jensen trace_pci_nvme_copy(nvme_cid(req), nvme_nsid(ns), nr, format); 2983796d2068SKlaus Jensen 2984796d2068SKlaus Jensen iocb->ranges = NULL; 2985796d2068SKlaus Jensen iocb->zone = NULL; 2986796d2068SKlaus Jensen 2987796d2068SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) && 2988796d2068SKlaus Jensen ((prinfor & NVME_PRINFO_PRACT) != (prinfow & NVME_PRINFO_PRACT))) { 2989796d2068SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 2990796d2068SKlaus Jensen goto invalid; 2991796d2068SKlaus Jensen } 2992796d2068SKlaus Jensen 2993796d2068SKlaus Jensen if (!(n->id_ctrl.ocfs & (1 << format))) { 2994796d2068SKlaus Jensen trace_pci_nvme_err_copy_invalid_format(format); 2995796d2068SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 2996796d2068SKlaus Jensen goto invalid; 2997796d2068SKlaus Jensen } 2998796d2068SKlaus Jensen 2999796d2068SKlaus Jensen if (nr > ns->id_ns.msrc + 1) { 300088eea45cSKlaus Jensen status = NVME_CMD_SIZE_LIMIT | NVME_DNR; 3001796d2068SKlaus Jensen goto invalid; 300288eea45cSKlaus Jensen } 300388eea45cSKlaus Jensen 3004632cb6cfSFrancis Pravin Antony Michael Raj if ((ns->pif == 0x0 && format != 0x0) || 3005632cb6cfSFrancis Pravin Antony Michael Raj (ns->pif != 0x0 && format != 0x1)) { 300644219b60SNaveen Nagar status = NVME_INVALID_FORMAT | NVME_DNR; 300744219b60SNaveen Nagar goto invalid; 300844219b60SNaveen Nagar } 3009796d2068SKlaus Jensen 301044219b60SNaveen Nagar if (ns->pif) { 301144219b60SNaveen Nagar len = sizeof(NvmeCopySourceRangeFormat1); 301244219b60SNaveen Nagar } 301344219b60SNaveen Nagar 301444219b60SNaveen Nagar iocb->format = format; 301544219b60SNaveen Nagar iocb->ranges = g_malloc_n(nr, len); 301644219b60SNaveen Nagar status = nvme_h2c(n, (uint8_t *)iocb->ranges, len * nr, req); 3017796d2068SKlaus Jensen if (status) { 3018796d2068SKlaus Jensen goto invalid; 301988eea45cSKlaus Jensen } 302088eea45cSKlaus Jensen 3021796d2068SKlaus Jensen iocb->slba = le64_to_cpu(copy->sdlba); 3022796d2068SKlaus Jensen 3023796d2068SKlaus Jensen if (ns->params.zoned) { 3024796d2068SKlaus Jensen iocb->zone = nvme_get_zone_by_slba(ns, iocb->slba); 3025796d2068SKlaus Jensen if (!iocb->zone) { 3026796d2068SKlaus Jensen status = NVME_LBA_RANGE | NVME_DNR; 3027796d2068SKlaus Jensen goto invalid; 3028796d2068SKlaus Jensen } 3029796d2068SKlaus Jensen 3030796d2068SKlaus Jensen status = nvme_zrm_auto(n, ns, iocb->zone); 3031796d2068SKlaus Jensen if (status) { 3032796d2068SKlaus Jensen goto invalid; 3033796d2068SKlaus Jensen } 3034796d2068SKlaus Jensen } 3035796d2068SKlaus Jensen 3036796d2068SKlaus Jensen iocb->req = req; 3037796d2068SKlaus Jensen iocb->ret = 0; 3038796d2068SKlaus Jensen iocb->nr = nr; 3039796d2068SKlaus Jensen iocb->idx = 0; 3040796d2068SKlaus Jensen iocb->reftag = le32_to_cpu(copy->reftag); 304144219b60SNaveen Nagar iocb->reftag |= (uint64_t)le32_to_cpu(copy->cdw3) << 32; 3042796d2068SKlaus Jensen iocb->bounce = g_malloc_n(le16_to_cpu(ns->id_ns.mssrl), 3043796d2068SKlaus Jensen ns->lbasz + ns->lbaf.ms); 3044796d2068SKlaus Jensen 3045796d2068SKlaus Jensen qemu_iovec_init(&iocb->iov, 1); 3046796d2068SKlaus Jensen 3047796d2068SKlaus Jensen block_acct_start(blk_get_stats(ns->blkconf.blk), &iocb->acct.read, 0, 304888eea45cSKlaus Jensen BLOCK_ACCT_READ); 3049796d2068SKlaus Jensen block_acct_start(blk_get_stats(ns->blkconf.blk), &iocb->acct.write, 0, 3050796d2068SKlaus Jensen BLOCK_ACCT_WRITE); 305188eea45cSKlaus Jensen 3052796d2068SKlaus Jensen req->aiocb = &iocb->common; 305383f56ac3SKlaus Jensen nvme_do_copy(iocb); 305488eea45cSKlaus Jensen 305588eea45cSKlaus Jensen return NVME_NO_COMPLETE; 305688eea45cSKlaus Jensen 3057796d2068SKlaus Jensen invalid: 3058796d2068SKlaus Jensen g_free(iocb->ranges); 3059796d2068SKlaus Jensen qemu_aio_unref(iocb); 306088eea45cSKlaus Jensen return status; 306188eea45cSKlaus Jensen } 306288eea45cSKlaus Jensen 306388eea45cSKlaus Jensen static uint16_t nvme_compare(NvmeCtrl *n, NvmeRequest *req) 306488eea45cSKlaus Jensen { 306588eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 306688eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 306788eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 306888eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 306988eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 30702a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 307188eea45cSKlaus Jensen size_t data_len = nvme_l2b(ns, nlb); 307288eea45cSKlaus Jensen size_t len = data_len; 307388eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 307488eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = NULL; 307588eea45cSKlaus Jensen uint16_t status; 307688eea45cSKlaus Jensen 307788eea45cSKlaus Jensen trace_pci_nvme_compare(nvme_cid(req), nvme_nsid(ns), slba, nlb); 307888eea45cSKlaus Jensen 30792a132309SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) && (prinfo & NVME_PRINFO_PRACT)) { 308088eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 308188eea45cSKlaus Jensen } 308288eea45cSKlaus Jensen 308388eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 308488eea45cSKlaus Jensen len += nvme_m2b(ns, nlb); 308588eea45cSKlaus Jensen } 308688eea45cSKlaus Jensen 308788eea45cSKlaus Jensen status = nvme_check_mdts(n, len); 308888eea45cSKlaus Jensen if (status) { 308988eea45cSKlaus Jensen return status; 309088eea45cSKlaus Jensen } 309188eea45cSKlaus Jensen 309288eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 309388eea45cSKlaus Jensen if (status) { 309488eea45cSKlaus Jensen return status; 309588eea45cSKlaus Jensen } 309688eea45cSKlaus Jensen 309788eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 309888eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 309988eea45cSKlaus Jensen if (status) { 310088eea45cSKlaus Jensen return status; 310188eea45cSKlaus Jensen } 310288eea45cSKlaus Jensen } 310388eea45cSKlaus Jensen 310488eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 310588eea45cSKlaus Jensen if (status) { 310688eea45cSKlaus Jensen return status; 310788eea45cSKlaus Jensen } 310888eea45cSKlaus Jensen 310988eea45cSKlaus Jensen ctx = g_new(struct nvme_compare_ctx, 1); 311088eea45cSKlaus Jensen ctx->data.bounce = g_malloc(data_len); 311188eea45cSKlaus Jensen 311288eea45cSKlaus Jensen req->opaque = ctx; 311388eea45cSKlaus Jensen 311488eea45cSKlaus Jensen qemu_iovec_init(&ctx->data.iov, 1); 311588eea45cSKlaus Jensen qemu_iovec_add(&ctx->data.iov, ctx->data.bounce, data_len); 311688eea45cSKlaus Jensen 311788eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_len, 311888eea45cSKlaus Jensen BLOCK_ACCT_READ); 311988eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->data.iov, 0, 312088eea45cSKlaus Jensen nvme_compare_data_cb, req); 312188eea45cSKlaus Jensen 312288eea45cSKlaus Jensen return NVME_NO_COMPLETE; 312388eea45cSKlaus Jensen } 312488eea45cSKlaus Jensen 312538f4ac65SKlaus Jensen typedef struct NvmeFlushAIOCB { 312638f4ac65SKlaus Jensen BlockAIOCB common; 312738f4ac65SKlaus Jensen BlockAIOCB *aiocb; 312838f4ac65SKlaus Jensen NvmeRequest *req; 312938f4ac65SKlaus Jensen int ret; 313038f4ac65SKlaus Jensen 313138f4ac65SKlaus Jensen NvmeNamespace *ns; 313238f4ac65SKlaus Jensen uint32_t nsid; 313338f4ac65SKlaus Jensen bool broadcast; 313438f4ac65SKlaus Jensen } NvmeFlushAIOCB; 313538f4ac65SKlaus Jensen 313638f4ac65SKlaus Jensen static void nvme_flush_cancel(BlockAIOCB *acb) 313738f4ac65SKlaus Jensen { 313838f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = container_of(acb, NvmeFlushAIOCB, common); 313938f4ac65SKlaus Jensen 314038f4ac65SKlaus Jensen iocb->ret = -ECANCELED; 314138f4ac65SKlaus Jensen 314238f4ac65SKlaus Jensen if (iocb->aiocb) { 314338f4ac65SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 31443dbc1708SKlaus Jensen iocb->aiocb = NULL; 314538f4ac65SKlaus Jensen } 314638f4ac65SKlaus Jensen } 314738f4ac65SKlaus Jensen 314838f4ac65SKlaus Jensen static const AIOCBInfo nvme_flush_aiocb_info = { 314938f4ac65SKlaus Jensen .aiocb_size = sizeof(NvmeFlushAIOCB), 315038f4ac65SKlaus Jensen .cancel_async = nvme_flush_cancel, 315138f4ac65SKlaus Jensen .get_aio_context = nvme_get_aio_context, 315238f4ac65SKlaus Jensen }; 315338f4ac65SKlaus Jensen 31543dbc1708SKlaus Jensen static void nvme_do_flush(NvmeFlushAIOCB *iocb); 31553dbc1708SKlaus Jensen 315638f4ac65SKlaus Jensen static void nvme_flush_ns_cb(void *opaque, int ret) 315738f4ac65SKlaus Jensen { 315838f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = opaque; 315938f4ac65SKlaus Jensen NvmeNamespace *ns = iocb->ns; 316038f4ac65SKlaus Jensen 316138f4ac65SKlaus Jensen if (ret < 0) { 316238f4ac65SKlaus Jensen iocb->ret = ret; 316338f4ac65SKlaus Jensen goto out; 316438f4ac65SKlaus Jensen } else if (iocb->ret < 0) { 316538f4ac65SKlaus Jensen goto out; 316638f4ac65SKlaus Jensen } 316738f4ac65SKlaus Jensen 316838f4ac65SKlaus Jensen if (ns) { 316938f4ac65SKlaus Jensen trace_pci_nvme_flush_ns(iocb->nsid); 317038f4ac65SKlaus Jensen 317138f4ac65SKlaus Jensen iocb->ns = NULL; 317238f4ac65SKlaus Jensen iocb->aiocb = blk_aio_flush(ns->blkconf.blk, nvme_flush_ns_cb, iocb); 317338f4ac65SKlaus Jensen return; 317438f4ac65SKlaus Jensen } 317538f4ac65SKlaus Jensen 317638f4ac65SKlaus Jensen out: 31773dbc1708SKlaus Jensen nvme_do_flush(iocb); 317838f4ac65SKlaus Jensen } 317938f4ac65SKlaus Jensen 31803dbc1708SKlaus Jensen static void nvme_do_flush(NvmeFlushAIOCB *iocb) 318138f4ac65SKlaus Jensen { 318238f4ac65SKlaus Jensen NvmeRequest *req = iocb->req; 318338f4ac65SKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 318438f4ac65SKlaus Jensen int i; 318538f4ac65SKlaus Jensen 318638f4ac65SKlaus Jensen if (iocb->ret < 0) { 318738f4ac65SKlaus Jensen goto done; 318838f4ac65SKlaus Jensen } 318938f4ac65SKlaus Jensen 319038f4ac65SKlaus Jensen if (iocb->broadcast) { 319138f4ac65SKlaus Jensen for (i = iocb->nsid + 1; i <= NVME_MAX_NAMESPACES; i++) { 319238f4ac65SKlaus Jensen iocb->ns = nvme_ns(n, i); 319338f4ac65SKlaus Jensen if (iocb->ns) { 319438f4ac65SKlaus Jensen iocb->nsid = i; 319538f4ac65SKlaus Jensen break; 319638f4ac65SKlaus Jensen } 319738f4ac65SKlaus Jensen } 319838f4ac65SKlaus Jensen } 319938f4ac65SKlaus Jensen 320038f4ac65SKlaus Jensen if (!iocb->ns) { 320138f4ac65SKlaus Jensen goto done; 320238f4ac65SKlaus Jensen } 320338f4ac65SKlaus Jensen 320438f4ac65SKlaus Jensen nvme_flush_ns_cb(iocb, 0); 320538f4ac65SKlaus Jensen return; 320638f4ac65SKlaus Jensen 320738f4ac65SKlaus Jensen done: 320838f4ac65SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 320938f4ac65SKlaus Jensen qemu_aio_unref(iocb); 321038f4ac65SKlaus Jensen } 321138f4ac65SKlaus Jensen 321288eea45cSKlaus Jensen static uint16_t nvme_flush(NvmeCtrl *n, NvmeRequest *req) 321388eea45cSKlaus Jensen { 321438f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb; 321588eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 321688eea45cSKlaus Jensen uint16_t status; 321788eea45cSKlaus Jensen 321838f4ac65SKlaus Jensen iocb = qemu_aio_get(&nvme_flush_aiocb_info, NULL, nvme_misc_cb, req); 321988eea45cSKlaus Jensen 322038f4ac65SKlaus Jensen iocb->req = req; 322138f4ac65SKlaus Jensen iocb->ret = 0; 322238f4ac65SKlaus Jensen iocb->ns = NULL; 322338f4ac65SKlaus Jensen iocb->nsid = 0; 322438f4ac65SKlaus Jensen iocb->broadcast = (nsid == NVME_NSID_BROADCAST); 322538f4ac65SKlaus Jensen 322638f4ac65SKlaus Jensen if (!iocb->broadcast) { 322738f4ac65SKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 322838f4ac65SKlaus Jensen status = NVME_INVALID_NSID | NVME_DNR; 322938f4ac65SKlaus Jensen goto out; 323088eea45cSKlaus Jensen } 323188eea45cSKlaus Jensen 323238f4ac65SKlaus Jensen iocb->ns = nvme_ns(n, nsid); 323338f4ac65SKlaus Jensen if (!iocb->ns) { 323438f4ac65SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 323538f4ac65SKlaus Jensen goto out; 323638f4ac65SKlaus Jensen } 323738f4ac65SKlaus Jensen 323838f4ac65SKlaus Jensen iocb->nsid = nsid; 323938f4ac65SKlaus Jensen } 324038f4ac65SKlaus Jensen 324138f4ac65SKlaus Jensen req->aiocb = &iocb->common; 32423dbc1708SKlaus Jensen nvme_do_flush(iocb); 324338f4ac65SKlaus Jensen 324488eea45cSKlaus Jensen return NVME_NO_COMPLETE; 324588eea45cSKlaus Jensen 324638f4ac65SKlaus Jensen out: 324738f4ac65SKlaus Jensen qemu_aio_unref(iocb); 324888eea45cSKlaus Jensen 324988eea45cSKlaus Jensen return status; 325088eea45cSKlaus Jensen } 325188eea45cSKlaus Jensen 325288eea45cSKlaus Jensen static uint16_t nvme_read(NvmeCtrl *n, NvmeRequest *req) 325388eea45cSKlaus Jensen { 325488eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 325588eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 325688eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 325788eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 32582a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 325988eea45cSKlaus Jensen uint64_t data_size = nvme_l2b(ns, nlb); 326088eea45cSKlaus Jensen uint64_t mapped_size = data_size; 326188eea45cSKlaus Jensen uint64_t data_offset; 326288eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 326388eea45cSKlaus Jensen uint16_t status; 326488eea45cSKlaus Jensen 326588eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 326688eea45cSKlaus Jensen mapped_size += nvme_m2b(ns, nlb); 326788eea45cSKlaus Jensen 326888eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 32692a132309SKlaus Jensen bool pract = prinfo & NVME_PRINFO_PRACT; 327088eea45cSKlaus Jensen 3271ac0b34c5SKlaus Jensen if (pract && ns->lbaf.ms == nvme_pi_tuple_size(ns)) { 327288eea45cSKlaus Jensen mapped_size = data_size; 327388eea45cSKlaus Jensen } 327488eea45cSKlaus Jensen } 327588eea45cSKlaus Jensen } 327688eea45cSKlaus Jensen 327788eea45cSKlaus Jensen trace_pci_nvme_read(nvme_cid(req), nvme_nsid(ns), nlb, mapped_size, slba); 327888eea45cSKlaus Jensen 327988eea45cSKlaus Jensen status = nvme_check_mdts(n, mapped_size); 328088eea45cSKlaus Jensen if (status) { 328188eea45cSKlaus Jensen goto invalid; 328288eea45cSKlaus Jensen } 328388eea45cSKlaus Jensen 328488eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 328588eea45cSKlaus Jensen if (status) { 328688eea45cSKlaus Jensen goto invalid; 328788eea45cSKlaus Jensen } 328888eea45cSKlaus Jensen 328988eea45cSKlaus Jensen if (ns->params.zoned) { 329088eea45cSKlaus Jensen status = nvme_check_zone_read(ns, slba, nlb); 329188eea45cSKlaus Jensen if (status) { 329288eea45cSKlaus Jensen trace_pci_nvme_err_zone_read_not_ok(slba, nlb, status); 329388eea45cSKlaus Jensen goto invalid; 329488eea45cSKlaus Jensen } 329588eea45cSKlaus Jensen } 329688eea45cSKlaus Jensen 329788eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 329888eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 329988eea45cSKlaus Jensen if (status) { 330088eea45cSKlaus Jensen goto invalid; 330188eea45cSKlaus Jensen } 330288eea45cSKlaus Jensen } 330388eea45cSKlaus Jensen 330488eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 330588eea45cSKlaus Jensen return nvme_dif_rw(n, req); 330688eea45cSKlaus Jensen } 330788eea45cSKlaus Jensen 330888eea45cSKlaus Jensen status = nvme_map_data(n, nlb, req); 330988eea45cSKlaus Jensen if (status) { 331088eea45cSKlaus Jensen goto invalid; 331188eea45cSKlaus Jensen } 331288eea45cSKlaus Jensen 331388eea45cSKlaus Jensen data_offset = nvme_l2b(ns, slba); 331488eea45cSKlaus Jensen 331588eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_size, 331688eea45cSKlaus Jensen BLOCK_ACCT_READ); 331788eea45cSKlaus Jensen nvme_blk_read(blk, data_offset, nvme_rw_cb, req); 331888eea45cSKlaus Jensen return NVME_NO_COMPLETE; 331988eea45cSKlaus Jensen 332088eea45cSKlaus Jensen invalid: 332188eea45cSKlaus Jensen block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_READ); 332288eea45cSKlaus Jensen return status | NVME_DNR; 332388eea45cSKlaus Jensen } 332488eea45cSKlaus Jensen 332588eea45cSKlaus Jensen static uint16_t nvme_do_write(NvmeCtrl *n, NvmeRequest *req, bool append, 332688eea45cSKlaus Jensen bool wrz) 332788eea45cSKlaus Jensen { 332888eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 332988eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 333088eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 333188eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 333288eea45cSKlaus Jensen uint16_t ctrl = le16_to_cpu(rw->control); 33332a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(ctrl); 333488eea45cSKlaus Jensen uint64_t data_size = nvme_l2b(ns, nlb); 333588eea45cSKlaus Jensen uint64_t mapped_size = data_size; 333688eea45cSKlaus Jensen uint64_t data_offset; 333788eea45cSKlaus Jensen NvmeZone *zone; 333888eea45cSKlaus Jensen NvmeZonedResult *res = (NvmeZonedResult *)&req->cqe; 333988eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 334088eea45cSKlaus Jensen uint16_t status; 334188eea45cSKlaus Jensen 334288eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 334388eea45cSKlaus Jensen mapped_size += nvme_m2b(ns, nlb); 334488eea45cSKlaus Jensen 334588eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 33462a132309SKlaus Jensen bool pract = prinfo & NVME_PRINFO_PRACT; 334788eea45cSKlaus Jensen 3348ac0b34c5SKlaus Jensen if (pract && ns->lbaf.ms == nvme_pi_tuple_size(ns)) { 334988eea45cSKlaus Jensen mapped_size -= nvme_m2b(ns, nlb); 335088eea45cSKlaus Jensen } 335188eea45cSKlaus Jensen } 335288eea45cSKlaus Jensen } 335388eea45cSKlaus Jensen 335488eea45cSKlaus Jensen trace_pci_nvme_write(nvme_cid(req), nvme_io_opc_str(rw->opcode), 335588eea45cSKlaus Jensen nvme_nsid(ns), nlb, mapped_size, slba); 335688eea45cSKlaus Jensen 335788eea45cSKlaus Jensen if (!wrz) { 335888eea45cSKlaus Jensen status = nvme_check_mdts(n, mapped_size); 335988eea45cSKlaus Jensen if (status) { 336088eea45cSKlaus Jensen goto invalid; 336188eea45cSKlaus Jensen } 336288eea45cSKlaus Jensen } 336388eea45cSKlaus Jensen 336488eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 336588eea45cSKlaus Jensen if (status) { 336688eea45cSKlaus Jensen goto invalid; 336788eea45cSKlaus Jensen } 336888eea45cSKlaus Jensen 336988eea45cSKlaus Jensen if (ns->params.zoned) { 337088eea45cSKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 3371189a8bf7SKlaus Jensen assert(zone); 337288eea45cSKlaus Jensen 337388eea45cSKlaus Jensen if (append) { 337488eea45cSKlaus Jensen bool piremap = !!(ctrl & NVME_RW_PIREMAP); 337588eea45cSKlaus Jensen 3376e321b4cdSKlaus Jensen if (unlikely(zone->d.za & NVME_ZA_ZRWA_VALID)) { 3377e321b4cdSKlaus Jensen return NVME_INVALID_ZONE_OP | NVME_DNR; 3378e321b4cdSKlaus Jensen } 3379e321b4cdSKlaus Jensen 338088eea45cSKlaus Jensen if (unlikely(slba != zone->d.zslba)) { 338188eea45cSKlaus Jensen trace_pci_nvme_err_append_not_at_start(slba, zone->d.zslba); 338288eea45cSKlaus Jensen status = NVME_INVALID_FIELD; 338388eea45cSKlaus Jensen goto invalid; 338488eea45cSKlaus Jensen } 338588eea45cSKlaus Jensen 338688eea45cSKlaus Jensen if (n->params.zasl && 338788eea45cSKlaus Jensen data_size > (uint64_t)n->page_size << n->params.zasl) { 338888eea45cSKlaus Jensen trace_pci_nvme_err_zasl(data_size); 338988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 339088eea45cSKlaus Jensen } 339188eea45cSKlaus Jensen 339288eea45cSKlaus Jensen slba = zone->w_ptr; 339388eea45cSKlaus Jensen rw->slba = cpu_to_le64(slba); 339488eea45cSKlaus Jensen res->slba = cpu_to_le64(slba); 339588eea45cSKlaus Jensen 339688eea45cSKlaus Jensen switch (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 339788eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_1: 339888eea45cSKlaus Jensen if (!piremap) { 339988eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 340088eea45cSKlaus Jensen } 340188eea45cSKlaus Jensen 340288eea45cSKlaus Jensen /* fallthrough */ 340388eea45cSKlaus Jensen 340488eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_2: 340588eea45cSKlaus Jensen if (piremap) { 340688eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 340788eea45cSKlaus Jensen rw->reftag = cpu_to_le32(reftag + (slba - zone->d.zslba)); 340888eea45cSKlaus Jensen } 340988eea45cSKlaus Jensen 341088eea45cSKlaus Jensen break; 341188eea45cSKlaus Jensen 341288eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_3: 341388eea45cSKlaus Jensen if (piremap) { 341488eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 341588eea45cSKlaus Jensen } 341688eea45cSKlaus Jensen 341788eea45cSKlaus Jensen break; 341888eea45cSKlaus Jensen } 341988eea45cSKlaus Jensen } 342088eea45cSKlaus Jensen 342188eea45cSKlaus Jensen status = nvme_check_zone_write(ns, zone, slba, nlb); 342288eea45cSKlaus Jensen if (status) { 342388eea45cSKlaus Jensen goto invalid; 342488eea45cSKlaus Jensen } 342588eea45cSKlaus Jensen 3426cccc2651SNiklas Cassel status = nvme_zrm_auto(n, ns, zone); 342788eea45cSKlaus Jensen if (status) { 342888eea45cSKlaus Jensen goto invalid; 342988eea45cSKlaus Jensen } 343088eea45cSKlaus Jensen 3431e321b4cdSKlaus Jensen if (!(zone->d.za & NVME_ZA_ZRWA_VALID)) { 343288eea45cSKlaus Jensen zone->w_ptr += nlb; 343388eea45cSKlaus Jensen } 3434e321b4cdSKlaus Jensen } 343588eea45cSKlaus Jensen 343688eea45cSKlaus Jensen data_offset = nvme_l2b(ns, slba); 343788eea45cSKlaus Jensen 343888eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 343988eea45cSKlaus Jensen return nvme_dif_rw(n, req); 344088eea45cSKlaus Jensen } 344188eea45cSKlaus Jensen 344288eea45cSKlaus Jensen if (!wrz) { 344388eea45cSKlaus Jensen status = nvme_map_data(n, nlb, req); 344488eea45cSKlaus Jensen if (status) { 344588eea45cSKlaus Jensen goto invalid; 344688eea45cSKlaus Jensen } 344788eea45cSKlaus Jensen 344888eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_size, 344988eea45cSKlaus Jensen BLOCK_ACCT_WRITE); 345088eea45cSKlaus Jensen nvme_blk_write(blk, data_offset, nvme_rw_cb, req); 345188eea45cSKlaus Jensen } else { 345288eea45cSKlaus Jensen req->aiocb = blk_aio_pwrite_zeroes(blk, data_offset, data_size, 345388eea45cSKlaus Jensen BDRV_REQ_MAY_UNMAP, nvme_rw_cb, 345488eea45cSKlaus Jensen req); 345588eea45cSKlaus Jensen } 345688eea45cSKlaus Jensen 345788eea45cSKlaus Jensen return NVME_NO_COMPLETE; 345888eea45cSKlaus Jensen 345988eea45cSKlaus Jensen invalid: 346088eea45cSKlaus Jensen block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_WRITE); 346188eea45cSKlaus Jensen return status | NVME_DNR; 346288eea45cSKlaus Jensen } 346388eea45cSKlaus Jensen 346488eea45cSKlaus Jensen static inline uint16_t nvme_write(NvmeCtrl *n, NvmeRequest *req) 346588eea45cSKlaus Jensen { 346688eea45cSKlaus Jensen return nvme_do_write(n, req, false, false); 346788eea45cSKlaus Jensen } 346888eea45cSKlaus Jensen 346988eea45cSKlaus Jensen static inline uint16_t nvme_write_zeroes(NvmeCtrl *n, NvmeRequest *req) 347088eea45cSKlaus Jensen { 347188eea45cSKlaus Jensen return nvme_do_write(n, req, false, true); 347288eea45cSKlaus Jensen } 347388eea45cSKlaus Jensen 347488eea45cSKlaus Jensen static inline uint16_t nvme_zone_append(NvmeCtrl *n, NvmeRequest *req) 347588eea45cSKlaus Jensen { 347688eea45cSKlaus Jensen return nvme_do_write(n, req, true, false); 347788eea45cSKlaus Jensen } 347888eea45cSKlaus Jensen 347988eea45cSKlaus Jensen static uint16_t nvme_get_mgmt_zone_slba_idx(NvmeNamespace *ns, NvmeCmd *c, 348088eea45cSKlaus Jensen uint64_t *slba, uint32_t *zone_idx) 348188eea45cSKlaus Jensen { 348288eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(c->cdw10); 348388eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(c->cdw11); 348488eea45cSKlaus Jensen 348588eea45cSKlaus Jensen if (!ns->params.zoned) { 348688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_opc(c->opcode); 348788eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 348888eea45cSKlaus Jensen } 348988eea45cSKlaus Jensen 349088eea45cSKlaus Jensen *slba = ((uint64_t)dw11) << 32 | dw10; 349188eea45cSKlaus Jensen if (unlikely(*slba >= ns->id_ns.nsze)) { 349288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(*slba, 0, ns->id_ns.nsze); 349388eea45cSKlaus Jensen *slba = 0; 349488eea45cSKlaus Jensen return NVME_LBA_RANGE | NVME_DNR; 349588eea45cSKlaus Jensen } 349688eea45cSKlaus Jensen 349788eea45cSKlaus Jensen *zone_idx = nvme_zone_idx(ns, *slba); 349888eea45cSKlaus Jensen assert(*zone_idx < ns->num_zones); 349988eea45cSKlaus Jensen 350088eea45cSKlaus Jensen return NVME_SUCCESS; 350188eea45cSKlaus Jensen } 350288eea45cSKlaus Jensen 350388eea45cSKlaus Jensen typedef uint16_t (*op_handler_t)(NvmeNamespace *, NvmeZone *, NvmeZoneState, 350488eea45cSKlaus Jensen NvmeRequest *); 350588eea45cSKlaus Jensen 350688eea45cSKlaus Jensen enum NvmeZoneProcessingMask { 350788eea45cSKlaus Jensen NVME_PROC_CURRENT_ZONE = 0, 350888eea45cSKlaus Jensen NVME_PROC_OPENED_ZONES = 1 << 0, 350988eea45cSKlaus Jensen NVME_PROC_CLOSED_ZONES = 1 << 1, 351088eea45cSKlaus Jensen NVME_PROC_READ_ONLY_ZONES = 1 << 2, 351188eea45cSKlaus Jensen NVME_PROC_FULL_ZONES = 1 << 3, 351288eea45cSKlaus Jensen }; 351388eea45cSKlaus Jensen 351488eea45cSKlaus Jensen static uint16_t nvme_open_zone(NvmeNamespace *ns, NvmeZone *zone, 351588eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 351688eea45cSKlaus Jensen { 3517e321b4cdSKlaus Jensen NvmeZoneSendCmd *cmd = (NvmeZoneSendCmd *)&req->cmd; 3518e321b4cdSKlaus Jensen int flags = 0; 3519e321b4cdSKlaus Jensen 3520e321b4cdSKlaus Jensen if (cmd->zsflags & NVME_ZSFLAG_ZRWA_ALLOC) { 3521e321b4cdSKlaus Jensen uint16_t ozcs = le16_to_cpu(ns->id_ns_zoned->ozcs); 3522e321b4cdSKlaus Jensen 3523e321b4cdSKlaus Jensen if (!(ozcs & NVME_ID_NS_ZONED_OZCS_ZRWASUP)) { 3524e321b4cdSKlaus Jensen return NVME_INVALID_ZONE_OP | NVME_DNR; 3525e321b4cdSKlaus Jensen } 3526e321b4cdSKlaus Jensen 3527e321b4cdSKlaus Jensen if (zone->w_ptr % ns->zns.zrwafg) { 3528e321b4cdSKlaus Jensen return NVME_NOZRWA | NVME_DNR; 3529e321b4cdSKlaus Jensen } 3530e321b4cdSKlaus Jensen 3531e321b4cdSKlaus Jensen flags = NVME_ZRM_ZRWA; 3532e321b4cdSKlaus Jensen } 3533e321b4cdSKlaus Jensen 3534e321b4cdSKlaus Jensen return nvme_zrm_open_flags(nvme_ctrl(req), ns, zone, flags); 353588eea45cSKlaus Jensen } 353688eea45cSKlaus Jensen 353788eea45cSKlaus Jensen static uint16_t nvme_close_zone(NvmeNamespace *ns, NvmeZone *zone, 353888eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 353988eea45cSKlaus Jensen { 354088eea45cSKlaus Jensen return nvme_zrm_close(ns, zone); 354188eea45cSKlaus Jensen } 354288eea45cSKlaus Jensen 354388eea45cSKlaus Jensen static uint16_t nvme_finish_zone(NvmeNamespace *ns, NvmeZone *zone, 354488eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 354588eea45cSKlaus Jensen { 354688eea45cSKlaus Jensen return nvme_zrm_finish(ns, zone); 354788eea45cSKlaus Jensen } 354888eea45cSKlaus Jensen 354988eea45cSKlaus Jensen static uint16_t nvme_offline_zone(NvmeNamespace *ns, NvmeZone *zone, 355088eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 355188eea45cSKlaus Jensen { 355288eea45cSKlaus Jensen switch (state) { 355388eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 355488eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_OFFLINE); 355588eea45cSKlaus Jensen /* fall through */ 355688eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 355788eea45cSKlaus Jensen return NVME_SUCCESS; 355888eea45cSKlaus Jensen default: 355988eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 356088eea45cSKlaus Jensen } 356188eea45cSKlaus Jensen } 356288eea45cSKlaus Jensen 356388eea45cSKlaus Jensen static uint16_t nvme_set_zd_ext(NvmeNamespace *ns, NvmeZone *zone) 356488eea45cSKlaus Jensen { 356588eea45cSKlaus Jensen uint16_t status; 356688eea45cSKlaus Jensen uint8_t state = nvme_get_zone_state(zone); 356788eea45cSKlaus Jensen 356888eea45cSKlaus Jensen if (state == NVME_ZONE_STATE_EMPTY) { 356988eea45cSKlaus Jensen status = nvme_aor_check(ns, 1, 0); 357088eea45cSKlaus Jensen if (status) { 357188eea45cSKlaus Jensen return status; 357288eea45cSKlaus Jensen } 357388eea45cSKlaus Jensen nvme_aor_inc_active(ns); 357488eea45cSKlaus Jensen zone->d.za |= NVME_ZA_ZD_EXT_VALID; 357588eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_CLOSED); 357688eea45cSKlaus Jensen return NVME_SUCCESS; 357788eea45cSKlaus Jensen } 357888eea45cSKlaus Jensen 357988eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 358088eea45cSKlaus Jensen } 358188eea45cSKlaus Jensen 358288eea45cSKlaus Jensen static uint16_t nvme_bulk_proc_zone(NvmeNamespace *ns, NvmeZone *zone, 358388eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask, 358488eea45cSKlaus Jensen op_handler_t op_hndlr, NvmeRequest *req) 358588eea45cSKlaus Jensen { 358688eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 358788eea45cSKlaus Jensen NvmeZoneState zs = nvme_get_zone_state(zone); 358888eea45cSKlaus Jensen bool proc_zone; 358988eea45cSKlaus Jensen 359088eea45cSKlaus Jensen switch (zs) { 359188eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 359288eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 359388eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_OPENED_ZONES; 359488eea45cSKlaus Jensen break; 359588eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 359688eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_CLOSED_ZONES; 359788eea45cSKlaus Jensen break; 359888eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 359988eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_READ_ONLY_ZONES; 360088eea45cSKlaus Jensen break; 360188eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 360288eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_FULL_ZONES; 360388eea45cSKlaus Jensen break; 360488eea45cSKlaus Jensen default: 360588eea45cSKlaus Jensen proc_zone = false; 360688eea45cSKlaus Jensen } 360788eea45cSKlaus Jensen 360888eea45cSKlaus Jensen if (proc_zone) { 360988eea45cSKlaus Jensen status = op_hndlr(ns, zone, zs, req); 361088eea45cSKlaus Jensen } 361188eea45cSKlaus Jensen 361288eea45cSKlaus Jensen return status; 361388eea45cSKlaus Jensen } 361488eea45cSKlaus Jensen 361588eea45cSKlaus Jensen static uint16_t nvme_do_zone_op(NvmeNamespace *ns, NvmeZone *zone, 361688eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask, 361788eea45cSKlaus Jensen op_handler_t op_hndlr, NvmeRequest *req) 361888eea45cSKlaus Jensen { 361988eea45cSKlaus Jensen NvmeZone *next; 362088eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 362188eea45cSKlaus Jensen int i; 362288eea45cSKlaus Jensen 362388eea45cSKlaus Jensen if (!proc_mask) { 362488eea45cSKlaus Jensen status = op_hndlr(ns, zone, nvme_get_zone_state(zone), req); 362588eea45cSKlaus Jensen } else { 362688eea45cSKlaus Jensen if (proc_mask & NVME_PROC_CLOSED_ZONES) { 362788eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->closed_zones, entry, next) { 362888eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 362988eea45cSKlaus Jensen req); 363088eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 363188eea45cSKlaus Jensen goto out; 363288eea45cSKlaus Jensen } 363388eea45cSKlaus Jensen } 363488eea45cSKlaus Jensen } 363588eea45cSKlaus Jensen if (proc_mask & NVME_PROC_OPENED_ZONES) { 363688eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->imp_open_zones, entry, next) { 363788eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 363888eea45cSKlaus Jensen req); 363988eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 364088eea45cSKlaus Jensen goto out; 364188eea45cSKlaus Jensen } 364288eea45cSKlaus Jensen } 364388eea45cSKlaus Jensen 364488eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->exp_open_zones, entry, next) { 364588eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 364688eea45cSKlaus Jensen req); 364788eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 364888eea45cSKlaus Jensen goto out; 364988eea45cSKlaus Jensen } 365088eea45cSKlaus Jensen } 365188eea45cSKlaus Jensen } 365288eea45cSKlaus Jensen if (proc_mask & NVME_PROC_FULL_ZONES) { 365388eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->full_zones, entry, next) { 365488eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 365588eea45cSKlaus Jensen req); 365688eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 365788eea45cSKlaus Jensen goto out; 365888eea45cSKlaus Jensen } 365988eea45cSKlaus Jensen } 366088eea45cSKlaus Jensen } 366188eea45cSKlaus Jensen 366288eea45cSKlaus Jensen if (proc_mask & NVME_PROC_READ_ONLY_ZONES) { 366388eea45cSKlaus Jensen for (i = 0; i < ns->num_zones; i++, zone++) { 366488eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 366588eea45cSKlaus Jensen req); 366688eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 366788eea45cSKlaus Jensen goto out; 366888eea45cSKlaus Jensen } 366988eea45cSKlaus Jensen } 367088eea45cSKlaus Jensen } 367188eea45cSKlaus Jensen } 367288eea45cSKlaus Jensen 367388eea45cSKlaus Jensen out: 367488eea45cSKlaus Jensen return status; 367588eea45cSKlaus Jensen } 367688eea45cSKlaus Jensen 367763d96e4fSKlaus Jensen typedef struct NvmeZoneResetAIOCB { 367863d96e4fSKlaus Jensen BlockAIOCB common; 367963d96e4fSKlaus Jensen BlockAIOCB *aiocb; 368063d96e4fSKlaus Jensen NvmeRequest *req; 368163d96e4fSKlaus Jensen int ret; 368263d96e4fSKlaus Jensen 368363d96e4fSKlaus Jensen bool all; 368463d96e4fSKlaus Jensen int idx; 368563d96e4fSKlaus Jensen NvmeZone *zone; 368663d96e4fSKlaus Jensen } NvmeZoneResetAIOCB; 368763d96e4fSKlaus Jensen 368863d96e4fSKlaus Jensen static void nvme_zone_reset_cancel(BlockAIOCB *aiocb) 368963d96e4fSKlaus Jensen { 369063d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = container_of(aiocb, NvmeZoneResetAIOCB, common); 369163d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 369263d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 369363d96e4fSKlaus Jensen 369463d96e4fSKlaus Jensen iocb->idx = ns->num_zones; 369563d96e4fSKlaus Jensen 369663d96e4fSKlaus Jensen iocb->ret = -ECANCELED; 369763d96e4fSKlaus Jensen 369863d96e4fSKlaus Jensen if (iocb->aiocb) { 369963d96e4fSKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 370063d96e4fSKlaus Jensen iocb->aiocb = NULL; 370163d96e4fSKlaus Jensen } 370263d96e4fSKlaus Jensen } 370363d96e4fSKlaus Jensen 370463d96e4fSKlaus Jensen static const AIOCBInfo nvme_zone_reset_aiocb_info = { 370563d96e4fSKlaus Jensen .aiocb_size = sizeof(NvmeZoneResetAIOCB), 370663d96e4fSKlaus Jensen .cancel_async = nvme_zone_reset_cancel, 370763d96e4fSKlaus Jensen }; 370863d96e4fSKlaus Jensen 370963d96e4fSKlaus Jensen static void nvme_zone_reset_cb(void *opaque, int ret); 371063d96e4fSKlaus Jensen 371163d96e4fSKlaus Jensen static void nvme_zone_reset_epilogue_cb(void *opaque, int ret) 371263d96e4fSKlaus Jensen { 371363d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 371463d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 371563d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 371663d96e4fSKlaus Jensen int64_t moff; 371763d96e4fSKlaus Jensen int count; 371863d96e4fSKlaus Jensen 371936a251c3SKlaus Jensen if (ret < 0 || iocb->ret < 0 || !ns->lbaf.ms) { 372036a251c3SKlaus Jensen goto out; 372163d96e4fSKlaus Jensen } 372263d96e4fSKlaus Jensen 372363d96e4fSKlaus Jensen moff = nvme_moff(ns, iocb->zone->d.zslba); 372463d96e4fSKlaus Jensen count = nvme_m2b(ns, ns->zone_size); 372563d96e4fSKlaus Jensen 372663d96e4fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, moff, count, 372763d96e4fSKlaus Jensen BDRV_REQ_MAY_UNMAP, 372863d96e4fSKlaus Jensen nvme_zone_reset_cb, iocb); 372963d96e4fSKlaus Jensen return; 373036a251c3SKlaus Jensen 373136a251c3SKlaus Jensen out: 373236a251c3SKlaus Jensen nvme_zone_reset_cb(iocb, ret); 373363d96e4fSKlaus Jensen } 373463d96e4fSKlaus Jensen 373563d96e4fSKlaus Jensen static void nvme_zone_reset_cb(void *opaque, int ret) 373663d96e4fSKlaus Jensen { 373763d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 373863d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 373963d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 374063d96e4fSKlaus Jensen 374136a251c3SKlaus Jensen if (iocb->ret < 0) { 374236a251c3SKlaus Jensen goto done; 374336a251c3SKlaus Jensen } else if (ret < 0) { 374463d96e4fSKlaus Jensen iocb->ret = ret; 374563d96e4fSKlaus Jensen goto done; 374663d96e4fSKlaus Jensen } 374763d96e4fSKlaus Jensen 374863d96e4fSKlaus Jensen if (iocb->zone) { 374963d96e4fSKlaus Jensen nvme_zrm_reset(ns, iocb->zone); 375063d96e4fSKlaus Jensen 375163d96e4fSKlaus Jensen if (!iocb->all) { 375263d96e4fSKlaus Jensen goto done; 375363d96e4fSKlaus Jensen } 375463d96e4fSKlaus Jensen } 375563d96e4fSKlaus Jensen 375663d96e4fSKlaus Jensen while (iocb->idx < ns->num_zones) { 375763d96e4fSKlaus Jensen NvmeZone *zone = &ns->zone_array[iocb->idx++]; 375863d96e4fSKlaus Jensen 375963d96e4fSKlaus Jensen switch (nvme_get_zone_state(zone)) { 376063d96e4fSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 376163d96e4fSKlaus Jensen if (!iocb->all) { 376263d96e4fSKlaus Jensen goto done; 376363d96e4fSKlaus Jensen } 376463d96e4fSKlaus Jensen 376563d96e4fSKlaus Jensen continue; 376663d96e4fSKlaus Jensen 376763d96e4fSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 376863d96e4fSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 376963d96e4fSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 377063d96e4fSKlaus Jensen case NVME_ZONE_STATE_FULL: 377163d96e4fSKlaus Jensen iocb->zone = zone; 377263d96e4fSKlaus Jensen break; 377363d96e4fSKlaus Jensen 377463d96e4fSKlaus Jensen default: 377563d96e4fSKlaus Jensen continue; 377663d96e4fSKlaus Jensen } 377763d96e4fSKlaus Jensen 377863d96e4fSKlaus Jensen trace_pci_nvme_zns_zone_reset(zone->d.zslba); 377963d96e4fSKlaus Jensen 378063d96e4fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, 378163d96e4fSKlaus Jensen nvme_l2b(ns, zone->d.zslba), 378263d96e4fSKlaus Jensen nvme_l2b(ns, ns->zone_size), 378363d96e4fSKlaus Jensen BDRV_REQ_MAY_UNMAP, 378463d96e4fSKlaus Jensen nvme_zone_reset_epilogue_cb, 378563d96e4fSKlaus Jensen iocb); 378663d96e4fSKlaus Jensen return; 378763d96e4fSKlaus Jensen } 378863d96e4fSKlaus Jensen 378963d96e4fSKlaus Jensen done: 379063d96e4fSKlaus Jensen iocb->aiocb = NULL; 379136a251c3SKlaus Jensen 379236a251c3SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 379336a251c3SKlaus Jensen qemu_aio_unref(iocb); 379463d96e4fSKlaus Jensen } 379563d96e4fSKlaus Jensen 3796e321b4cdSKlaus Jensen static uint16_t nvme_zone_mgmt_send_zrwa_flush(NvmeCtrl *n, NvmeZone *zone, 3797e321b4cdSKlaus Jensen uint64_t elba, NvmeRequest *req) 3798e321b4cdSKlaus Jensen { 3799e321b4cdSKlaus Jensen NvmeNamespace *ns = req->ns; 3800e321b4cdSKlaus Jensen uint16_t ozcs = le16_to_cpu(ns->id_ns_zoned->ozcs); 3801e321b4cdSKlaus Jensen uint64_t wp = zone->d.wp; 3802e321b4cdSKlaus Jensen uint32_t nlb = elba - wp + 1; 3803e321b4cdSKlaus Jensen uint16_t status; 3804e321b4cdSKlaus Jensen 3805e321b4cdSKlaus Jensen 3806e321b4cdSKlaus Jensen if (!(ozcs & NVME_ID_NS_ZONED_OZCS_ZRWASUP)) { 3807e321b4cdSKlaus Jensen return NVME_INVALID_ZONE_OP | NVME_DNR; 3808e321b4cdSKlaus Jensen } 3809e321b4cdSKlaus Jensen 3810e321b4cdSKlaus Jensen if (!(zone->d.za & NVME_ZA_ZRWA_VALID)) { 3811e321b4cdSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 3812e321b4cdSKlaus Jensen } 3813e321b4cdSKlaus Jensen 3814e321b4cdSKlaus Jensen if (elba < wp || elba > wp + ns->zns.zrwas) { 3815e321b4cdSKlaus Jensen return NVME_ZONE_BOUNDARY_ERROR | NVME_DNR; 3816e321b4cdSKlaus Jensen } 3817e321b4cdSKlaus Jensen 3818e321b4cdSKlaus Jensen if (nlb % ns->zns.zrwafg) { 3819e321b4cdSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 3820e321b4cdSKlaus Jensen } 3821e321b4cdSKlaus Jensen 3822e321b4cdSKlaus Jensen status = nvme_zrm_auto(n, ns, zone); 3823e321b4cdSKlaus Jensen if (status) { 3824e321b4cdSKlaus Jensen return status; 3825e321b4cdSKlaus Jensen } 3826e321b4cdSKlaus Jensen 3827e321b4cdSKlaus Jensen zone->w_ptr += nlb; 3828e321b4cdSKlaus Jensen 3829e321b4cdSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlb); 3830e321b4cdSKlaus Jensen 3831e321b4cdSKlaus Jensen return NVME_SUCCESS; 3832e321b4cdSKlaus Jensen } 3833e321b4cdSKlaus Jensen 383488eea45cSKlaus Jensen static uint16_t nvme_zone_mgmt_send(NvmeCtrl *n, NvmeRequest *req) 383588eea45cSKlaus Jensen { 38366190d92fSKlaus Jensen NvmeZoneSendCmd *cmd = (NvmeZoneSendCmd *)&req->cmd; 383788eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 383888eea45cSKlaus Jensen NvmeZone *zone; 383963d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb; 384088eea45cSKlaus Jensen uint8_t *zd_ext; 384188eea45cSKlaus Jensen uint64_t slba = 0; 384288eea45cSKlaus Jensen uint32_t zone_idx = 0; 384388eea45cSKlaus Jensen uint16_t status; 38446190d92fSKlaus Jensen uint8_t action = cmd->zsa; 384588eea45cSKlaus Jensen bool all; 384688eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask = NVME_PROC_CURRENT_ZONE; 384788eea45cSKlaus Jensen 38486190d92fSKlaus Jensen all = cmd->zsflags & NVME_ZSFLAG_SELECT_ALL; 384988eea45cSKlaus Jensen 385088eea45cSKlaus Jensen req->status = NVME_SUCCESS; 385188eea45cSKlaus Jensen 385288eea45cSKlaus Jensen if (!all) { 38536190d92fSKlaus Jensen status = nvme_get_mgmt_zone_slba_idx(ns, &req->cmd, &slba, &zone_idx); 385488eea45cSKlaus Jensen if (status) { 385588eea45cSKlaus Jensen return status; 385688eea45cSKlaus Jensen } 385788eea45cSKlaus Jensen } 385888eea45cSKlaus Jensen 385988eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 3860e321b4cdSKlaus Jensen if (slba != zone->d.zslba && action != NVME_ZONE_ACTION_ZRWA_FLUSH) { 386188eea45cSKlaus Jensen trace_pci_nvme_err_unaligned_zone_cmd(action, slba, zone->d.zslba); 386288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 386388eea45cSKlaus Jensen } 386488eea45cSKlaus Jensen 386588eea45cSKlaus Jensen switch (action) { 386688eea45cSKlaus Jensen 386788eea45cSKlaus Jensen case NVME_ZONE_ACTION_OPEN: 386888eea45cSKlaus Jensen if (all) { 386988eea45cSKlaus Jensen proc_mask = NVME_PROC_CLOSED_ZONES; 387088eea45cSKlaus Jensen } 387188eea45cSKlaus Jensen trace_pci_nvme_open_zone(slba, zone_idx, all); 387288eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_open_zone, req); 387388eea45cSKlaus Jensen break; 387488eea45cSKlaus Jensen 387588eea45cSKlaus Jensen case NVME_ZONE_ACTION_CLOSE: 387688eea45cSKlaus Jensen if (all) { 387788eea45cSKlaus Jensen proc_mask = NVME_PROC_OPENED_ZONES; 387888eea45cSKlaus Jensen } 387988eea45cSKlaus Jensen trace_pci_nvme_close_zone(slba, zone_idx, all); 388088eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_close_zone, req); 388188eea45cSKlaus Jensen break; 388288eea45cSKlaus Jensen 388388eea45cSKlaus Jensen case NVME_ZONE_ACTION_FINISH: 388488eea45cSKlaus Jensen if (all) { 388588eea45cSKlaus Jensen proc_mask = NVME_PROC_OPENED_ZONES | NVME_PROC_CLOSED_ZONES; 388688eea45cSKlaus Jensen } 388788eea45cSKlaus Jensen trace_pci_nvme_finish_zone(slba, zone_idx, all); 388888eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_finish_zone, req); 388988eea45cSKlaus Jensen break; 389088eea45cSKlaus Jensen 389188eea45cSKlaus Jensen case NVME_ZONE_ACTION_RESET: 389288eea45cSKlaus Jensen trace_pci_nvme_reset_zone(slba, zone_idx, all); 389388eea45cSKlaus Jensen 389463d96e4fSKlaus Jensen iocb = blk_aio_get(&nvme_zone_reset_aiocb_info, ns->blkconf.blk, 389563d96e4fSKlaus Jensen nvme_misc_cb, req); 389688eea45cSKlaus Jensen 389763d96e4fSKlaus Jensen iocb->req = req; 389863d96e4fSKlaus Jensen iocb->ret = 0; 389963d96e4fSKlaus Jensen iocb->all = all; 390063d96e4fSKlaus Jensen iocb->idx = zone_idx; 390163d96e4fSKlaus Jensen iocb->zone = NULL; 390288eea45cSKlaus Jensen 390363d96e4fSKlaus Jensen req->aiocb = &iocb->common; 390463d96e4fSKlaus Jensen nvme_zone_reset_cb(iocb, 0); 390588eea45cSKlaus Jensen 390663d96e4fSKlaus Jensen return NVME_NO_COMPLETE; 390788eea45cSKlaus Jensen 390888eea45cSKlaus Jensen case NVME_ZONE_ACTION_OFFLINE: 390988eea45cSKlaus Jensen if (all) { 391088eea45cSKlaus Jensen proc_mask = NVME_PROC_READ_ONLY_ZONES; 391188eea45cSKlaus Jensen } 391288eea45cSKlaus Jensen trace_pci_nvme_offline_zone(slba, zone_idx, all); 391388eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_offline_zone, req); 391488eea45cSKlaus Jensen break; 391588eea45cSKlaus Jensen 391688eea45cSKlaus Jensen case NVME_ZONE_ACTION_SET_ZD_EXT: 391788eea45cSKlaus Jensen trace_pci_nvme_set_descriptor_extension(slba, zone_idx); 391888eea45cSKlaus Jensen if (all || !ns->params.zd_extension_size) { 391988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 392088eea45cSKlaus Jensen } 392188eea45cSKlaus Jensen zd_ext = nvme_get_zd_extension(ns, zone_idx); 392288eea45cSKlaus Jensen status = nvme_h2c(n, zd_ext, ns->params.zd_extension_size, req); 392388eea45cSKlaus Jensen if (status) { 392488eea45cSKlaus Jensen trace_pci_nvme_err_zd_extension_map_error(zone_idx); 392588eea45cSKlaus Jensen return status; 392688eea45cSKlaus Jensen } 392788eea45cSKlaus Jensen 392888eea45cSKlaus Jensen status = nvme_set_zd_ext(ns, zone); 392988eea45cSKlaus Jensen if (status == NVME_SUCCESS) { 393088eea45cSKlaus Jensen trace_pci_nvme_zd_extension_set(zone_idx); 393188eea45cSKlaus Jensen return status; 393288eea45cSKlaus Jensen } 393388eea45cSKlaus Jensen break; 393488eea45cSKlaus Jensen 3935e321b4cdSKlaus Jensen case NVME_ZONE_ACTION_ZRWA_FLUSH: 3936e321b4cdSKlaus Jensen if (all) { 3937e321b4cdSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 3938e321b4cdSKlaus Jensen } 3939e321b4cdSKlaus Jensen 3940e321b4cdSKlaus Jensen return nvme_zone_mgmt_send_zrwa_flush(n, zone, slba, req); 3941e321b4cdSKlaus Jensen 394288eea45cSKlaus Jensen default: 394388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_mgmt_action(action); 394488eea45cSKlaus Jensen status = NVME_INVALID_FIELD; 394588eea45cSKlaus Jensen } 394688eea45cSKlaus Jensen 394788eea45cSKlaus Jensen if (status == NVME_ZONE_INVAL_TRANSITION) { 394888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_zone_state_transition(action, slba, 394988eea45cSKlaus Jensen zone->d.za); 395088eea45cSKlaus Jensen } 395188eea45cSKlaus Jensen if (status) { 395288eea45cSKlaus Jensen status |= NVME_DNR; 395388eea45cSKlaus Jensen } 395488eea45cSKlaus Jensen 395588eea45cSKlaus Jensen return status; 395688eea45cSKlaus Jensen } 395788eea45cSKlaus Jensen 395888eea45cSKlaus Jensen static bool nvme_zone_matches_filter(uint32_t zafs, NvmeZone *zl) 395988eea45cSKlaus Jensen { 396088eea45cSKlaus Jensen NvmeZoneState zs = nvme_get_zone_state(zl); 396188eea45cSKlaus Jensen 396288eea45cSKlaus Jensen switch (zafs) { 396388eea45cSKlaus Jensen case NVME_ZONE_REPORT_ALL: 396488eea45cSKlaus Jensen return true; 396588eea45cSKlaus Jensen case NVME_ZONE_REPORT_EMPTY: 396688eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_EMPTY; 396788eea45cSKlaus Jensen case NVME_ZONE_REPORT_IMPLICITLY_OPEN: 396888eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_IMPLICITLY_OPEN; 396988eea45cSKlaus Jensen case NVME_ZONE_REPORT_EXPLICITLY_OPEN: 397088eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_EXPLICITLY_OPEN; 397188eea45cSKlaus Jensen case NVME_ZONE_REPORT_CLOSED: 397288eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_CLOSED; 397388eea45cSKlaus Jensen case NVME_ZONE_REPORT_FULL: 397488eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_FULL; 397588eea45cSKlaus Jensen case NVME_ZONE_REPORT_READ_ONLY: 397688eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_READ_ONLY; 397788eea45cSKlaus Jensen case NVME_ZONE_REPORT_OFFLINE: 397888eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_OFFLINE; 397988eea45cSKlaus Jensen default: 398088eea45cSKlaus Jensen return false; 398188eea45cSKlaus Jensen } 398288eea45cSKlaus Jensen } 398388eea45cSKlaus Jensen 398488eea45cSKlaus Jensen static uint16_t nvme_zone_mgmt_recv(NvmeCtrl *n, NvmeRequest *req) 398588eea45cSKlaus Jensen { 398688eea45cSKlaus Jensen NvmeCmd *cmd = (NvmeCmd *)&req->cmd; 398788eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 398888eea45cSKlaus Jensen /* cdw12 is zero-based number of dwords to return. Convert to bytes */ 398988eea45cSKlaus Jensen uint32_t data_size = (le32_to_cpu(cmd->cdw12) + 1) << 2; 399088eea45cSKlaus Jensen uint32_t dw13 = le32_to_cpu(cmd->cdw13); 399188eea45cSKlaus Jensen uint32_t zone_idx, zra, zrasf, partial; 399288eea45cSKlaus Jensen uint64_t max_zones, nr_zones = 0; 399388eea45cSKlaus Jensen uint16_t status; 399488eea45cSKlaus Jensen uint64_t slba; 399588eea45cSKlaus Jensen NvmeZoneDescr *z; 399688eea45cSKlaus Jensen NvmeZone *zone; 399788eea45cSKlaus Jensen NvmeZoneReportHeader *header; 399888eea45cSKlaus Jensen void *buf, *buf_p; 399988eea45cSKlaus Jensen size_t zone_entry_sz; 400088eea45cSKlaus Jensen int i; 400188eea45cSKlaus Jensen 400288eea45cSKlaus Jensen req->status = NVME_SUCCESS; 400388eea45cSKlaus Jensen 400488eea45cSKlaus Jensen status = nvme_get_mgmt_zone_slba_idx(ns, cmd, &slba, &zone_idx); 400588eea45cSKlaus Jensen if (status) { 400688eea45cSKlaus Jensen return status; 400788eea45cSKlaus Jensen } 400888eea45cSKlaus Jensen 400988eea45cSKlaus Jensen zra = dw13 & 0xff; 401088eea45cSKlaus Jensen if (zra != NVME_ZONE_REPORT && zra != NVME_ZONE_REPORT_EXTENDED) { 401188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 401288eea45cSKlaus Jensen } 401388eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED && !ns->params.zd_extension_size) { 401488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 401588eea45cSKlaus Jensen } 401688eea45cSKlaus Jensen 401788eea45cSKlaus Jensen zrasf = (dw13 >> 8) & 0xff; 401888eea45cSKlaus Jensen if (zrasf > NVME_ZONE_REPORT_OFFLINE) { 401988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 402088eea45cSKlaus Jensen } 402188eea45cSKlaus Jensen 402288eea45cSKlaus Jensen if (data_size < sizeof(NvmeZoneReportHeader)) { 402388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 402488eea45cSKlaus Jensen } 402588eea45cSKlaus Jensen 402688eea45cSKlaus Jensen status = nvme_check_mdts(n, data_size); 402788eea45cSKlaus Jensen if (status) { 402888eea45cSKlaus Jensen return status; 402988eea45cSKlaus Jensen } 403088eea45cSKlaus Jensen 403188eea45cSKlaus Jensen partial = (dw13 >> 16) & 0x01; 403288eea45cSKlaus Jensen 403388eea45cSKlaus Jensen zone_entry_sz = sizeof(NvmeZoneDescr); 403488eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED) { 403588eea45cSKlaus Jensen zone_entry_sz += ns->params.zd_extension_size; 403688eea45cSKlaus Jensen } 403788eea45cSKlaus Jensen 403888eea45cSKlaus Jensen max_zones = (data_size - sizeof(NvmeZoneReportHeader)) / zone_entry_sz; 403988eea45cSKlaus Jensen buf = g_malloc0(data_size); 404088eea45cSKlaus Jensen 404188eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 404288eea45cSKlaus Jensen for (i = zone_idx; i < ns->num_zones; i++) { 404388eea45cSKlaus Jensen if (partial && nr_zones >= max_zones) { 404488eea45cSKlaus Jensen break; 404588eea45cSKlaus Jensen } 404688eea45cSKlaus Jensen if (nvme_zone_matches_filter(zrasf, zone++)) { 404788eea45cSKlaus Jensen nr_zones++; 404888eea45cSKlaus Jensen } 404988eea45cSKlaus Jensen } 40503d558330SMarkus Armbruster header = buf; 405188eea45cSKlaus Jensen header->nr_zones = cpu_to_le64(nr_zones); 405288eea45cSKlaus Jensen 405388eea45cSKlaus Jensen buf_p = buf + sizeof(NvmeZoneReportHeader); 405488eea45cSKlaus Jensen for (; zone_idx < ns->num_zones && max_zones > 0; zone_idx++) { 405588eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 405688eea45cSKlaus Jensen if (nvme_zone_matches_filter(zrasf, zone)) { 40573d558330SMarkus Armbruster z = buf_p; 405888eea45cSKlaus Jensen buf_p += sizeof(NvmeZoneDescr); 405988eea45cSKlaus Jensen 406088eea45cSKlaus Jensen z->zt = zone->d.zt; 406188eea45cSKlaus Jensen z->zs = zone->d.zs; 406288eea45cSKlaus Jensen z->zcap = cpu_to_le64(zone->d.zcap); 406388eea45cSKlaus Jensen z->zslba = cpu_to_le64(zone->d.zslba); 406488eea45cSKlaus Jensen z->za = zone->d.za; 406588eea45cSKlaus Jensen 406688eea45cSKlaus Jensen if (nvme_wp_is_valid(zone)) { 406788eea45cSKlaus Jensen z->wp = cpu_to_le64(zone->d.wp); 406888eea45cSKlaus Jensen } else { 406988eea45cSKlaus Jensen z->wp = cpu_to_le64(~0ULL); 407088eea45cSKlaus Jensen } 407188eea45cSKlaus Jensen 407288eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED) { 407388eea45cSKlaus Jensen if (zone->d.za & NVME_ZA_ZD_EXT_VALID) { 407488eea45cSKlaus Jensen memcpy(buf_p, nvme_get_zd_extension(ns, zone_idx), 407588eea45cSKlaus Jensen ns->params.zd_extension_size); 407688eea45cSKlaus Jensen } 407788eea45cSKlaus Jensen buf_p += ns->params.zd_extension_size; 407888eea45cSKlaus Jensen } 407988eea45cSKlaus Jensen 408088eea45cSKlaus Jensen max_zones--; 408188eea45cSKlaus Jensen } 408288eea45cSKlaus Jensen } 408388eea45cSKlaus Jensen 408488eea45cSKlaus Jensen status = nvme_c2h(n, (uint8_t *)buf, data_size, req); 408588eea45cSKlaus Jensen 408688eea45cSKlaus Jensen g_free(buf); 408788eea45cSKlaus Jensen 408888eea45cSKlaus Jensen return status; 408988eea45cSKlaus Jensen } 409088eea45cSKlaus Jensen 409188eea45cSKlaus Jensen static uint16_t nvme_io_cmd(NvmeCtrl *n, NvmeRequest *req) 409288eea45cSKlaus Jensen { 409388eea45cSKlaus Jensen NvmeNamespace *ns; 409488eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 409588eea45cSKlaus Jensen 409688eea45cSKlaus Jensen trace_pci_nvme_io_cmd(nvme_cid(req), nsid, nvme_sqid(req), 409788eea45cSKlaus Jensen req->cmd.opcode, nvme_io_opc_str(req->cmd.opcode)); 409888eea45cSKlaus Jensen 409988eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 410088eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 410188eea45cSKlaus Jensen } 410288eea45cSKlaus Jensen 410388eea45cSKlaus Jensen /* 410488eea45cSKlaus Jensen * In the base NVM command set, Flush may apply to all namespaces 410588eea45cSKlaus Jensen * (indicated by NSID being set to FFFFFFFFh). But if that feature is used 410688eea45cSKlaus Jensen * along with TP 4056 (Namespace Types), it may be pretty screwed up. 410788eea45cSKlaus Jensen * 410888eea45cSKlaus Jensen * If NSID is indeed set to FFFFFFFFh, we simply cannot associate the 410988eea45cSKlaus Jensen * opcode with a specific command since we cannot determine a unique I/O 411088eea45cSKlaus Jensen * command set. Opcode 0h could have any other meaning than something 411188eea45cSKlaus Jensen * equivalent to flushing and say it DOES have completely different 411288eea45cSKlaus Jensen * semantics in some other command set - does an NSID of FFFFFFFFh then 411388eea45cSKlaus Jensen * mean "for all namespaces, apply whatever command set specific command 411488eea45cSKlaus Jensen * that uses the 0h opcode?" Or does it mean "for all namespaces, apply 411588eea45cSKlaus Jensen * whatever command that uses the 0h opcode if, and only if, it allows NSID 411688eea45cSKlaus Jensen * to be FFFFFFFFh"? 411788eea45cSKlaus Jensen * 411888eea45cSKlaus Jensen * Anyway (and luckily), for now, we do not care about this since the 411988eea45cSKlaus Jensen * device only supports namespace types that includes the NVM Flush command 412088eea45cSKlaus Jensen * (NVM and Zoned), so always do an NVM Flush. 412188eea45cSKlaus Jensen */ 412288eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_FLUSH) { 412388eea45cSKlaus Jensen return nvme_flush(n, req); 412488eea45cSKlaus Jensen } 412588eea45cSKlaus Jensen 412688eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 412788eea45cSKlaus Jensen if (unlikely(!ns)) { 412888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 412988eea45cSKlaus Jensen } 413088eea45cSKlaus Jensen 413188eea45cSKlaus Jensen if (!(ns->iocs[req->cmd.opcode] & NVME_CMD_EFF_CSUPP)) { 413288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_opc(req->cmd.opcode); 413388eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 413488eea45cSKlaus Jensen } 413588eea45cSKlaus Jensen 413688eea45cSKlaus Jensen if (ns->status) { 413788eea45cSKlaus Jensen return ns->status; 413888eea45cSKlaus Jensen } 413988eea45cSKlaus Jensen 4140c53a9a91SPankaj Raghav if (NVME_CMD_FLAGS_FUSE(req->cmd.flags)) { 4141c53a9a91SPankaj Raghav return NVME_INVALID_FIELD; 4142c53a9a91SPankaj Raghav } 4143c53a9a91SPankaj Raghav 414488eea45cSKlaus Jensen req->ns = ns; 414588eea45cSKlaus Jensen 414688eea45cSKlaus Jensen switch (req->cmd.opcode) { 414788eea45cSKlaus Jensen case NVME_CMD_WRITE_ZEROES: 414888eea45cSKlaus Jensen return nvme_write_zeroes(n, req); 414988eea45cSKlaus Jensen case NVME_CMD_ZONE_APPEND: 415088eea45cSKlaus Jensen return nvme_zone_append(n, req); 415188eea45cSKlaus Jensen case NVME_CMD_WRITE: 415288eea45cSKlaus Jensen return nvme_write(n, req); 415388eea45cSKlaus Jensen case NVME_CMD_READ: 415488eea45cSKlaus Jensen return nvme_read(n, req); 415588eea45cSKlaus Jensen case NVME_CMD_COMPARE: 415688eea45cSKlaus Jensen return nvme_compare(n, req); 415788eea45cSKlaus Jensen case NVME_CMD_DSM: 415888eea45cSKlaus Jensen return nvme_dsm(n, req); 415988eea45cSKlaus Jensen case NVME_CMD_VERIFY: 416088eea45cSKlaus Jensen return nvme_verify(n, req); 416188eea45cSKlaus Jensen case NVME_CMD_COPY: 416288eea45cSKlaus Jensen return nvme_copy(n, req); 416388eea45cSKlaus Jensen case NVME_CMD_ZONE_MGMT_SEND: 416488eea45cSKlaus Jensen return nvme_zone_mgmt_send(n, req); 416588eea45cSKlaus Jensen case NVME_CMD_ZONE_MGMT_RECV: 416688eea45cSKlaus Jensen return nvme_zone_mgmt_recv(n, req); 416788eea45cSKlaus Jensen default: 416888eea45cSKlaus Jensen assert(false); 416988eea45cSKlaus Jensen } 417088eea45cSKlaus Jensen 417188eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 417288eea45cSKlaus Jensen } 417388eea45cSKlaus Jensen 41742e53b0b4SJinhao Fan static void nvme_cq_notifier(EventNotifier *e) 41752e53b0b4SJinhao Fan { 41762e53b0b4SJinhao Fan NvmeCQueue *cq = container_of(e, NvmeCQueue, notifier); 41772e53b0b4SJinhao Fan NvmeCtrl *n = cq->ctrl; 41782e53b0b4SJinhao Fan 4179a2da7377SKlaus Jensen if (!event_notifier_test_and_clear(e)) { 4180a2da7377SKlaus Jensen return; 4181a2da7377SKlaus Jensen } 41822e53b0b4SJinhao Fan 41832e53b0b4SJinhao Fan nvme_update_cq_head(cq); 41842e53b0b4SJinhao Fan 41852e53b0b4SJinhao Fan if (cq->tail == cq->head) { 41862e53b0b4SJinhao Fan if (cq->irq_enabled) { 41872e53b0b4SJinhao Fan n->cq_pending--; 41882e53b0b4SJinhao Fan } 41892e53b0b4SJinhao Fan 41902e53b0b4SJinhao Fan nvme_irq_deassert(n, cq); 41912e53b0b4SJinhao Fan } 41922e53b0b4SJinhao Fan 4193d38cc6fdSKlaus Jensen qemu_bh_schedule(cq->bh); 41942e53b0b4SJinhao Fan } 41952e53b0b4SJinhao Fan 41962e53b0b4SJinhao Fan static int nvme_init_cq_ioeventfd(NvmeCQueue *cq) 41972e53b0b4SJinhao Fan { 41982e53b0b4SJinhao Fan NvmeCtrl *n = cq->ctrl; 41992e53b0b4SJinhao Fan uint16_t offset = (cq->cqid << 3) + (1 << 2); 42002e53b0b4SJinhao Fan int ret; 42012e53b0b4SJinhao Fan 42022e53b0b4SJinhao Fan ret = event_notifier_init(&cq->notifier, 0); 42032e53b0b4SJinhao Fan if (ret < 0) { 42042e53b0b4SJinhao Fan return ret; 42052e53b0b4SJinhao Fan } 42062e53b0b4SJinhao Fan 42072e53b0b4SJinhao Fan event_notifier_set_handler(&cq->notifier, nvme_cq_notifier); 42082e53b0b4SJinhao Fan memory_region_add_eventfd(&n->iomem, 42092e53b0b4SJinhao Fan 0x1000 + offset, 4, false, 0, &cq->notifier); 42102e53b0b4SJinhao Fan 42112e53b0b4SJinhao Fan return 0; 42122e53b0b4SJinhao Fan } 42132e53b0b4SJinhao Fan 42142e53b0b4SJinhao Fan static void nvme_sq_notifier(EventNotifier *e) 42152e53b0b4SJinhao Fan { 42162e53b0b4SJinhao Fan NvmeSQueue *sq = container_of(e, NvmeSQueue, notifier); 42172e53b0b4SJinhao Fan 4218a2da7377SKlaus Jensen if (!event_notifier_test_and_clear(e)) { 4219a2da7377SKlaus Jensen return; 4220a2da7377SKlaus Jensen } 42212e53b0b4SJinhao Fan 42222e53b0b4SJinhao Fan nvme_process_sq(sq); 42232e53b0b4SJinhao Fan } 42242e53b0b4SJinhao Fan 42252e53b0b4SJinhao Fan static int nvme_init_sq_ioeventfd(NvmeSQueue *sq) 42262e53b0b4SJinhao Fan { 42272e53b0b4SJinhao Fan NvmeCtrl *n = sq->ctrl; 42282e53b0b4SJinhao Fan uint16_t offset = sq->sqid << 3; 42292e53b0b4SJinhao Fan int ret; 42302e53b0b4SJinhao Fan 42312e53b0b4SJinhao Fan ret = event_notifier_init(&sq->notifier, 0); 42322e53b0b4SJinhao Fan if (ret < 0) { 42332e53b0b4SJinhao Fan return ret; 42342e53b0b4SJinhao Fan } 42352e53b0b4SJinhao Fan 42362e53b0b4SJinhao Fan event_notifier_set_handler(&sq->notifier, nvme_sq_notifier); 42372e53b0b4SJinhao Fan memory_region_add_eventfd(&n->iomem, 42382e53b0b4SJinhao Fan 0x1000 + offset, 4, false, 0, &sq->notifier); 42392e53b0b4SJinhao Fan 42402e53b0b4SJinhao Fan return 0; 42412e53b0b4SJinhao Fan } 42422e53b0b4SJinhao Fan 424388eea45cSKlaus Jensen static void nvme_free_sq(NvmeSQueue *sq, NvmeCtrl *n) 424488eea45cSKlaus Jensen { 42452e53b0b4SJinhao Fan uint16_t offset = sq->sqid << 3; 42462e53b0b4SJinhao Fan 424788eea45cSKlaus Jensen n->sq[sq->sqid] = NULL; 4248d38cc6fdSKlaus Jensen qemu_bh_delete(sq->bh); 42492e53b0b4SJinhao Fan if (sq->ioeventfd_enabled) { 42502e53b0b4SJinhao Fan memory_region_del_eventfd(&n->iomem, 42512e53b0b4SJinhao Fan 0x1000 + offset, 4, false, 0, &sq->notifier); 425204e8da88SKlaus Jensen event_notifier_set_handler(&sq->notifier, NULL); 42532e53b0b4SJinhao Fan event_notifier_cleanup(&sq->notifier); 42542e53b0b4SJinhao Fan } 425588eea45cSKlaus Jensen g_free(sq->io_req); 425688eea45cSKlaus Jensen if (sq->sqid) { 425788eea45cSKlaus Jensen g_free(sq); 425888eea45cSKlaus Jensen } 425988eea45cSKlaus Jensen } 426088eea45cSKlaus Jensen 426188eea45cSKlaus Jensen static uint16_t nvme_del_sq(NvmeCtrl *n, NvmeRequest *req) 426288eea45cSKlaus Jensen { 426388eea45cSKlaus Jensen NvmeDeleteQ *c = (NvmeDeleteQ *)&req->cmd; 426488eea45cSKlaus Jensen NvmeRequest *r, *next; 426588eea45cSKlaus Jensen NvmeSQueue *sq; 426688eea45cSKlaus Jensen NvmeCQueue *cq; 426788eea45cSKlaus Jensen uint16_t qid = le16_to_cpu(c->qid); 426888eea45cSKlaus Jensen 426988eea45cSKlaus Jensen if (unlikely(!qid || nvme_check_sqid(n, qid))) { 427088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_sq(qid); 427188eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 427288eea45cSKlaus Jensen } 427388eea45cSKlaus Jensen 427488eea45cSKlaus Jensen trace_pci_nvme_del_sq(qid); 427588eea45cSKlaus Jensen 427688eea45cSKlaus Jensen sq = n->sq[qid]; 427788eea45cSKlaus Jensen while (!QTAILQ_EMPTY(&sq->out_req_list)) { 427888eea45cSKlaus Jensen r = QTAILQ_FIRST(&sq->out_req_list); 4279e76fb260SKlaus Jensen assert(r->aiocb); 428088eea45cSKlaus Jensen blk_aio_cancel(r->aiocb); 428188eea45cSKlaus Jensen } 428288eea45cSKlaus Jensen 428388eea45cSKlaus Jensen assert(QTAILQ_EMPTY(&sq->out_req_list)); 428488eea45cSKlaus Jensen 428588eea45cSKlaus Jensen if (!nvme_check_cqid(n, sq->cqid)) { 428688eea45cSKlaus Jensen cq = n->cq[sq->cqid]; 428788eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->sq_list, sq, entry); 428888eea45cSKlaus Jensen 428988eea45cSKlaus Jensen nvme_post_cqes(cq); 429088eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(r, &cq->req_list, entry, next) { 429188eea45cSKlaus Jensen if (r->sq == sq) { 429288eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->req_list, r, entry); 429388eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->req_list, r, entry); 429488eea45cSKlaus Jensen } 429588eea45cSKlaus Jensen } 429688eea45cSKlaus Jensen } 429788eea45cSKlaus Jensen 429888eea45cSKlaus Jensen nvme_free_sq(sq, n); 429988eea45cSKlaus Jensen return NVME_SUCCESS; 430088eea45cSKlaus Jensen } 430188eea45cSKlaus Jensen 430288eea45cSKlaus Jensen static void nvme_init_sq(NvmeSQueue *sq, NvmeCtrl *n, uint64_t dma_addr, 430388eea45cSKlaus Jensen uint16_t sqid, uint16_t cqid, uint16_t size) 430488eea45cSKlaus Jensen { 430588eea45cSKlaus Jensen int i; 430688eea45cSKlaus Jensen NvmeCQueue *cq; 430788eea45cSKlaus Jensen 430888eea45cSKlaus Jensen sq->ctrl = n; 430988eea45cSKlaus Jensen sq->dma_addr = dma_addr; 431088eea45cSKlaus Jensen sq->sqid = sqid; 431188eea45cSKlaus Jensen sq->size = size; 431288eea45cSKlaus Jensen sq->cqid = cqid; 431388eea45cSKlaus Jensen sq->head = sq->tail = 0; 431488eea45cSKlaus Jensen sq->io_req = g_new0(NvmeRequest, sq->size); 431588eea45cSKlaus Jensen 431688eea45cSKlaus Jensen QTAILQ_INIT(&sq->req_list); 431788eea45cSKlaus Jensen QTAILQ_INIT(&sq->out_req_list); 431888eea45cSKlaus Jensen for (i = 0; i < sq->size; i++) { 431988eea45cSKlaus Jensen sq->io_req[i].sq = sq; 432088eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&(sq->req_list), &sq->io_req[i], entry); 432188eea45cSKlaus Jensen } 4322d38cc6fdSKlaus Jensen 4323d38cc6fdSKlaus Jensen sq->bh = qemu_bh_new(nvme_process_sq, sq); 432488eea45cSKlaus Jensen 43253f7fe8deSJinhao Fan if (n->dbbuf_enabled) { 43263f7fe8deSJinhao Fan sq->db_addr = n->dbbuf_dbs + (sqid << 3); 43273f7fe8deSJinhao Fan sq->ei_addr = n->dbbuf_eis + (sqid << 3); 43282e53b0b4SJinhao Fan 43292e53b0b4SJinhao Fan if (n->params.ioeventfd && sq->sqid != 0) { 43302e53b0b4SJinhao Fan if (!nvme_init_sq_ioeventfd(sq)) { 43312e53b0b4SJinhao Fan sq->ioeventfd_enabled = true; 43322e53b0b4SJinhao Fan } 43332e53b0b4SJinhao Fan } 43343f7fe8deSJinhao Fan } 43353f7fe8deSJinhao Fan 433688eea45cSKlaus Jensen assert(n->cq[cqid]); 433788eea45cSKlaus Jensen cq = n->cq[cqid]; 433888eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&(cq->sq_list), sq, entry); 433988eea45cSKlaus Jensen n->sq[sqid] = sq; 434088eea45cSKlaus Jensen } 434188eea45cSKlaus Jensen 434288eea45cSKlaus Jensen static uint16_t nvme_create_sq(NvmeCtrl *n, NvmeRequest *req) 434388eea45cSKlaus Jensen { 434488eea45cSKlaus Jensen NvmeSQueue *sq; 434588eea45cSKlaus Jensen NvmeCreateSq *c = (NvmeCreateSq *)&req->cmd; 434688eea45cSKlaus Jensen 434788eea45cSKlaus Jensen uint16_t cqid = le16_to_cpu(c->cqid); 434888eea45cSKlaus Jensen uint16_t sqid = le16_to_cpu(c->sqid); 434988eea45cSKlaus Jensen uint16_t qsize = le16_to_cpu(c->qsize); 435088eea45cSKlaus Jensen uint16_t qflags = le16_to_cpu(c->sq_flags); 435188eea45cSKlaus Jensen uint64_t prp1 = le64_to_cpu(c->prp1); 435288eea45cSKlaus Jensen 435388eea45cSKlaus Jensen trace_pci_nvme_create_sq(prp1, sqid, cqid, qsize, qflags); 435488eea45cSKlaus Jensen 435588eea45cSKlaus Jensen if (unlikely(!cqid || nvme_check_cqid(n, cqid))) { 435688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_cqid(cqid); 435788eea45cSKlaus Jensen return NVME_INVALID_CQID | NVME_DNR; 435888eea45cSKlaus Jensen } 4359decc0261SŁukasz Gieryk if (unlikely(!sqid || sqid > n->conf_ioqpairs || n->sq[sqid] != NULL)) { 436088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_sqid(sqid); 436188eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 436288eea45cSKlaus Jensen } 436349e03457SKlaus Jensen if (unlikely(!qsize || qsize > NVME_CAP_MQES(ldq_le_p(&n->bar.cap)))) { 436488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_size(qsize); 436588eea45cSKlaus Jensen return NVME_MAX_QSIZE_EXCEEDED | NVME_DNR; 436688eea45cSKlaus Jensen } 436788eea45cSKlaus Jensen if (unlikely(prp1 & (n->page_size - 1))) { 436888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_addr(prp1); 436988eea45cSKlaus Jensen return NVME_INVALID_PRP_OFFSET | NVME_DNR; 437088eea45cSKlaus Jensen } 437188eea45cSKlaus Jensen if (unlikely(!(NVME_SQ_FLAGS_PC(qflags)))) { 437288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_qflags(NVME_SQ_FLAGS_PC(qflags)); 437388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 437488eea45cSKlaus Jensen } 437588eea45cSKlaus Jensen sq = g_malloc0(sizeof(*sq)); 437688eea45cSKlaus Jensen nvme_init_sq(sq, n, prp1, sqid, cqid, qsize + 1); 437788eea45cSKlaus Jensen return NVME_SUCCESS; 437888eea45cSKlaus Jensen } 437988eea45cSKlaus Jensen 438088eea45cSKlaus Jensen struct nvme_stats { 438188eea45cSKlaus Jensen uint64_t units_read; 438288eea45cSKlaus Jensen uint64_t units_written; 438388eea45cSKlaus Jensen uint64_t read_commands; 438488eea45cSKlaus Jensen uint64_t write_commands; 438588eea45cSKlaus Jensen }; 438688eea45cSKlaus Jensen 438788eea45cSKlaus Jensen static void nvme_set_blk_stats(NvmeNamespace *ns, struct nvme_stats *stats) 438888eea45cSKlaus Jensen { 438988eea45cSKlaus Jensen BlockAcctStats *s = blk_get_stats(ns->blkconf.blk); 439088eea45cSKlaus Jensen 4391a555af17SJoel Granados stats->units_read += s->nr_bytes[BLOCK_ACCT_READ]; 4392a555af17SJoel Granados stats->units_written += s->nr_bytes[BLOCK_ACCT_WRITE]; 439388eea45cSKlaus Jensen stats->read_commands += s->nr_ops[BLOCK_ACCT_READ]; 439488eea45cSKlaus Jensen stats->write_commands += s->nr_ops[BLOCK_ACCT_WRITE]; 439588eea45cSKlaus Jensen } 439688eea45cSKlaus Jensen 439788eea45cSKlaus Jensen static uint16_t nvme_smart_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 439888eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 439988eea45cSKlaus Jensen { 440088eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 440188eea45cSKlaus Jensen struct nvme_stats stats = { 0 }; 440288eea45cSKlaus Jensen NvmeSmartLog smart = { 0 }; 440388eea45cSKlaus Jensen uint32_t trans_len; 440488eea45cSKlaus Jensen NvmeNamespace *ns; 440588eea45cSKlaus Jensen time_t current_ms; 4406a555af17SJoel Granados uint64_t u_read, u_written; 440788eea45cSKlaus Jensen 440888eea45cSKlaus Jensen if (off >= sizeof(smart)) { 440988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 441088eea45cSKlaus Jensen } 441188eea45cSKlaus Jensen 441288eea45cSKlaus Jensen if (nsid != 0xffffffff) { 441388eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 441488eea45cSKlaus Jensen if (!ns) { 441588eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 441688eea45cSKlaus Jensen } 441788eea45cSKlaus Jensen nvme_set_blk_stats(ns, &stats); 441888eea45cSKlaus Jensen } else { 441988eea45cSKlaus Jensen int i; 442088eea45cSKlaus Jensen 442188eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 442288eea45cSKlaus Jensen ns = nvme_ns(n, i); 442388eea45cSKlaus Jensen if (!ns) { 442488eea45cSKlaus Jensen continue; 442588eea45cSKlaus Jensen } 442688eea45cSKlaus Jensen nvme_set_blk_stats(ns, &stats); 442788eea45cSKlaus Jensen } 442888eea45cSKlaus Jensen } 442988eea45cSKlaus Jensen 443088eea45cSKlaus Jensen trans_len = MIN(sizeof(smart) - off, buf_len); 443188eea45cSKlaus Jensen smart.critical_warning = n->smart_critical_warning; 443288eea45cSKlaus Jensen 4433a555af17SJoel Granados u_read = DIV_ROUND_UP(stats.units_read >> BDRV_SECTOR_BITS, 1000); 4434a555af17SJoel Granados u_written = DIV_ROUND_UP(stats.units_written >> BDRV_SECTOR_BITS, 1000); 4435a555af17SJoel Granados 4436a555af17SJoel Granados smart.data_units_read[0] = cpu_to_le64(u_read); 4437a555af17SJoel Granados smart.data_units_written[0] = cpu_to_le64(u_written); 443888eea45cSKlaus Jensen smart.host_read_commands[0] = cpu_to_le64(stats.read_commands); 443988eea45cSKlaus Jensen smart.host_write_commands[0] = cpu_to_le64(stats.write_commands); 444088eea45cSKlaus Jensen 444188eea45cSKlaus Jensen smart.temperature = cpu_to_le16(n->temperature); 444288eea45cSKlaus Jensen 444388eea45cSKlaus Jensen if ((n->temperature >= n->features.temp_thresh_hi) || 444488eea45cSKlaus Jensen (n->temperature <= n->features.temp_thresh_low)) { 444588eea45cSKlaus Jensen smart.critical_warning |= NVME_SMART_TEMPERATURE; 444688eea45cSKlaus Jensen } 444788eea45cSKlaus Jensen 444888eea45cSKlaus Jensen current_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 444988eea45cSKlaus Jensen smart.power_on_hours[0] = 445088eea45cSKlaus Jensen cpu_to_le64((((current_ms - n->starttime_ms) / 1000) / 60) / 60); 445188eea45cSKlaus Jensen 445288eea45cSKlaus Jensen if (!rae) { 445388eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_SMART); 445488eea45cSKlaus Jensen } 445588eea45cSKlaus Jensen 445688eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *) &smart + off, trans_len, req); 445788eea45cSKlaus Jensen } 445888eea45cSKlaus Jensen 4459771dbc3aSKlaus Jensen static uint16_t nvme_endgrp_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 4460771dbc3aSKlaus Jensen uint64_t off, NvmeRequest *req) 4461771dbc3aSKlaus Jensen { 4462771dbc3aSKlaus Jensen uint32_t dw11 = le32_to_cpu(req->cmd.cdw11); 4463771dbc3aSKlaus Jensen uint16_t endgrpid = (dw11 >> 16) & 0xffff; 4464771dbc3aSKlaus Jensen struct nvme_stats stats = {}; 4465771dbc3aSKlaus Jensen NvmeEndGrpLog info = {}; 4466771dbc3aSKlaus Jensen int i; 4467771dbc3aSKlaus Jensen 4468771dbc3aSKlaus Jensen if (!n->subsys || endgrpid != 0x1) { 4469771dbc3aSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 4470771dbc3aSKlaus Jensen } 4471771dbc3aSKlaus Jensen 4472771dbc3aSKlaus Jensen if (off >= sizeof(info)) { 4473771dbc3aSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 4474771dbc3aSKlaus Jensen } 4475771dbc3aSKlaus Jensen 4476771dbc3aSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 4477771dbc3aSKlaus Jensen NvmeNamespace *ns = nvme_subsys_ns(n->subsys, i); 4478771dbc3aSKlaus Jensen if (!ns) { 4479771dbc3aSKlaus Jensen continue; 4480771dbc3aSKlaus Jensen } 4481771dbc3aSKlaus Jensen 4482771dbc3aSKlaus Jensen nvme_set_blk_stats(ns, &stats); 4483771dbc3aSKlaus Jensen } 4484771dbc3aSKlaus Jensen 4485771dbc3aSKlaus Jensen info.data_units_read[0] = 4486771dbc3aSKlaus Jensen cpu_to_le64(DIV_ROUND_UP(stats.units_read / 1000000000, 1000000000)); 4487771dbc3aSKlaus Jensen info.data_units_written[0] = 4488771dbc3aSKlaus Jensen cpu_to_le64(DIV_ROUND_UP(stats.units_written / 1000000000, 1000000000)); 4489771dbc3aSKlaus Jensen info.media_units_written[0] = 4490771dbc3aSKlaus Jensen cpu_to_le64(DIV_ROUND_UP(stats.units_written / 1000000000, 1000000000)); 4491771dbc3aSKlaus Jensen 4492771dbc3aSKlaus Jensen info.host_read_commands[0] = cpu_to_le64(stats.read_commands); 4493771dbc3aSKlaus Jensen info.host_write_commands[0] = cpu_to_le64(stats.write_commands); 4494771dbc3aSKlaus Jensen 4495771dbc3aSKlaus Jensen buf_len = MIN(sizeof(info) - off, buf_len); 4496771dbc3aSKlaus Jensen 4497771dbc3aSKlaus Jensen return nvme_c2h(n, (uint8_t *)&info + off, buf_len, req); 4498771dbc3aSKlaus Jensen } 4499771dbc3aSKlaus Jensen 4500771dbc3aSKlaus Jensen 450188eea45cSKlaus Jensen static uint16_t nvme_fw_log_info(NvmeCtrl *n, uint32_t buf_len, uint64_t off, 450288eea45cSKlaus Jensen NvmeRequest *req) 450388eea45cSKlaus Jensen { 450488eea45cSKlaus Jensen uint32_t trans_len; 450588eea45cSKlaus Jensen NvmeFwSlotInfoLog fw_log = { 450688eea45cSKlaus Jensen .afi = 0x1, 450788eea45cSKlaus Jensen }; 450888eea45cSKlaus Jensen 450988eea45cSKlaus Jensen if (off >= sizeof(fw_log)) { 451088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 451188eea45cSKlaus Jensen } 451288eea45cSKlaus Jensen 451388eea45cSKlaus Jensen strpadcpy((char *)&fw_log.frs1, sizeof(fw_log.frs1), "1.0", ' '); 451488eea45cSKlaus Jensen trans_len = MIN(sizeof(fw_log) - off, buf_len); 451588eea45cSKlaus Jensen 451688eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *) &fw_log + off, trans_len, req); 451788eea45cSKlaus Jensen } 451888eea45cSKlaus Jensen 451988eea45cSKlaus Jensen static uint16_t nvme_error_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 452088eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 452188eea45cSKlaus Jensen { 452288eea45cSKlaus Jensen uint32_t trans_len; 452388eea45cSKlaus Jensen NvmeErrorLog errlog; 452488eea45cSKlaus Jensen 452588eea45cSKlaus Jensen if (off >= sizeof(errlog)) { 452688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 452788eea45cSKlaus Jensen } 452888eea45cSKlaus Jensen 452988eea45cSKlaus Jensen if (!rae) { 453088eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_ERROR); 453188eea45cSKlaus Jensen } 453288eea45cSKlaus Jensen 453388eea45cSKlaus Jensen memset(&errlog, 0x0, sizeof(errlog)); 453488eea45cSKlaus Jensen trans_len = MIN(sizeof(errlog) - off, buf_len); 453588eea45cSKlaus Jensen 453688eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&errlog, trans_len, req); 453788eea45cSKlaus Jensen } 453888eea45cSKlaus Jensen 453988eea45cSKlaus Jensen static uint16_t nvme_changed_nslist(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 454088eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 454188eea45cSKlaus Jensen { 454288eea45cSKlaus Jensen uint32_t nslist[1024]; 454388eea45cSKlaus Jensen uint32_t trans_len; 454488eea45cSKlaus Jensen int i = 0; 454588eea45cSKlaus Jensen uint32_t nsid; 454688eea45cSKlaus Jensen 4547e2c57529SKlaus Jensen if (off >= sizeof(nslist)) { 4548e2c57529SKlaus Jensen trace_pci_nvme_err_invalid_log_page_offset(off, sizeof(nslist)); 4549e2c57529SKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 4550e2c57529SKlaus Jensen } 4551e2c57529SKlaus Jensen 455288eea45cSKlaus Jensen memset(nslist, 0x0, sizeof(nslist)); 455388eea45cSKlaus Jensen trans_len = MIN(sizeof(nslist) - off, buf_len); 455488eea45cSKlaus Jensen 455588eea45cSKlaus Jensen while ((nsid = find_first_bit(n->changed_nsids, NVME_CHANGED_NSID_SIZE)) != 455688eea45cSKlaus Jensen NVME_CHANGED_NSID_SIZE) { 455788eea45cSKlaus Jensen /* 455888eea45cSKlaus Jensen * If more than 1024 namespaces, the first entry in the log page should 455988eea45cSKlaus Jensen * be set to FFFFFFFFh and the others to 0 as spec. 456088eea45cSKlaus Jensen */ 456188eea45cSKlaus Jensen if (i == ARRAY_SIZE(nslist)) { 456288eea45cSKlaus Jensen memset(nslist, 0x0, sizeof(nslist)); 456388eea45cSKlaus Jensen nslist[0] = 0xffffffff; 456488eea45cSKlaus Jensen break; 456588eea45cSKlaus Jensen } 456688eea45cSKlaus Jensen 456788eea45cSKlaus Jensen nslist[i++] = nsid; 456888eea45cSKlaus Jensen clear_bit(nsid, n->changed_nsids); 456988eea45cSKlaus Jensen } 457088eea45cSKlaus Jensen 457188eea45cSKlaus Jensen /* 457288eea45cSKlaus Jensen * Remove all the remaining list entries in case returns directly due to 457388eea45cSKlaus Jensen * more than 1024 namespaces. 457488eea45cSKlaus Jensen */ 457588eea45cSKlaus Jensen if (nslist[0] == 0xffffffff) { 457688eea45cSKlaus Jensen bitmap_zero(n->changed_nsids, NVME_CHANGED_NSID_SIZE); 457788eea45cSKlaus Jensen } 457888eea45cSKlaus Jensen 457988eea45cSKlaus Jensen if (!rae) { 458088eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_NOTICE); 458188eea45cSKlaus Jensen } 458288eea45cSKlaus Jensen 458388eea45cSKlaus Jensen return nvme_c2h(n, ((uint8_t *)nslist) + off, trans_len, req); 458488eea45cSKlaus Jensen } 458588eea45cSKlaus Jensen 458688eea45cSKlaus Jensen static uint16_t nvme_cmd_effects(NvmeCtrl *n, uint8_t csi, uint32_t buf_len, 458788eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 458888eea45cSKlaus Jensen { 458988eea45cSKlaus Jensen NvmeEffectsLog log = {}; 459088eea45cSKlaus Jensen const uint32_t *src_iocs = NULL; 459188eea45cSKlaus Jensen uint32_t trans_len; 459288eea45cSKlaus Jensen 459388eea45cSKlaus Jensen if (off >= sizeof(log)) { 459488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_log_page_offset(off, sizeof(log)); 459588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 459688eea45cSKlaus Jensen } 459788eea45cSKlaus Jensen 459849e03457SKlaus Jensen switch (NVME_CC_CSS(ldl_le_p(&n->bar.cc))) { 459988eea45cSKlaus Jensen case NVME_CC_CSS_NVM: 460088eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_nvm; 460188eea45cSKlaus Jensen /* fall through */ 460288eea45cSKlaus Jensen case NVME_CC_CSS_ADMIN_ONLY: 460388eea45cSKlaus Jensen break; 460488eea45cSKlaus Jensen case NVME_CC_CSS_CSI: 460588eea45cSKlaus Jensen switch (csi) { 460688eea45cSKlaus Jensen case NVME_CSI_NVM: 460788eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_nvm; 460888eea45cSKlaus Jensen break; 460988eea45cSKlaus Jensen case NVME_CSI_ZONED: 461088eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_zoned; 461188eea45cSKlaus Jensen break; 461288eea45cSKlaus Jensen } 461388eea45cSKlaus Jensen } 461488eea45cSKlaus Jensen 461588eea45cSKlaus Jensen memcpy(log.acs, nvme_cse_acs, sizeof(nvme_cse_acs)); 461688eea45cSKlaus Jensen 461788eea45cSKlaus Jensen if (src_iocs) { 461888eea45cSKlaus Jensen memcpy(log.iocs, src_iocs, sizeof(log.iocs)); 461988eea45cSKlaus Jensen } 462088eea45cSKlaus Jensen 462188eea45cSKlaus Jensen trans_len = MIN(sizeof(log) - off, buf_len); 462288eea45cSKlaus Jensen 462388eea45cSKlaus Jensen return nvme_c2h(n, ((uint8_t *)&log) + off, trans_len, req); 462488eea45cSKlaus Jensen } 462588eea45cSKlaus Jensen 462688eea45cSKlaus Jensen static uint16_t nvme_get_log(NvmeCtrl *n, NvmeRequest *req) 462788eea45cSKlaus Jensen { 462888eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 462988eea45cSKlaus Jensen 463088eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 463188eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 463288eea45cSKlaus Jensen uint32_t dw12 = le32_to_cpu(cmd->cdw12); 463388eea45cSKlaus Jensen uint32_t dw13 = le32_to_cpu(cmd->cdw13); 463488eea45cSKlaus Jensen uint8_t lid = dw10 & 0xff; 463588eea45cSKlaus Jensen uint8_t lsp = (dw10 >> 8) & 0xf; 463688eea45cSKlaus Jensen uint8_t rae = (dw10 >> 15) & 0x1; 463788eea45cSKlaus Jensen uint8_t csi = le32_to_cpu(cmd->cdw14) >> 24; 463888eea45cSKlaus Jensen uint32_t numdl, numdu; 463988eea45cSKlaus Jensen uint64_t off, lpol, lpou; 464088eea45cSKlaus Jensen size_t len; 464188eea45cSKlaus Jensen uint16_t status; 464288eea45cSKlaus Jensen 464388eea45cSKlaus Jensen numdl = (dw10 >> 16); 464488eea45cSKlaus Jensen numdu = (dw11 & 0xffff); 464588eea45cSKlaus Jensen lpol = dw12; 464688eea45cSKlaus Jensen lpou = dw13; 464788eea45cSKlaus Jensen 464888eea45cSKlaus Jensen len = (((numdu << 16) | numdl) + 1) << 2; 464988eea45cSKlaus Jensen off = (lpou << 32ULL) | lpol; 465088eea45cSKlaus Jensen 465188eea45cSKlaus Jensen if (off & 0x3) { 465288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 465388eea45cSKlaus Jensen } 465488eea45cSKlaus Jensen 465588eea45cSKlaus Jensen trace_pci_nvme_get_log(nvme_cid(req), lid, lsp, rae, len, off); 465688eea45cSKlaus Jensen 465788eea45cSKlaus Jensen status = nvme_check_mdts(n, len); 465888eea45cSKlaus Jensen if (status) { 465988eea45cSKlaus Jensen return status; 466088eea45cSKlaus Jensen } 466188eea45cSKlaus Jensen 466288eea45cSKlaus Jensen switch (lid) { 466388eea45cSKlaus Jensen case NVME_LOG_ERROR_INFO: 466488eea45cSKlaus Jensen return nvme_error_info(n, rae, len, off, req); 466588eea45cSKlaus Jensen case NVME_LOG_SMART_INFO: 466688eea45cSKlaus Jensen return nvme_smart_info(n, rae, len, off, req); 466788eea45cSKlaus Jensen case NVME_LOG_FW_SLOT_INFO: 466888eea45cSKlaus Jensen return nvme_fw_log_info(n, len, off, req); 466988eea45cSKlaus Jensen case NVME_LOG_CHANGED_NSLIST: 467088eea45cSKlaus Jensen return nvme_changed_nslist(n, rae, len, off, req); 467188eea45cSKlaus Jensen case NVME_LOG_CMD_EFFECTS: 467288eea45cSKlaus Jensen return nvme_cmd_effects(n, csi, len, off, req); 4673771dbc3aSKlaus Jensen case NVME_LOG_ENDGRP: 4674771dbc3aSKlaus Jensen return nvme_endgrp_info(n, rae, len, off, req); 467588eea45cSKlaus Jensen default: 467688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_log_page(nvme_cid(req), lid); 467788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 467888eea45cSKlaus Jensen } 467988eea45cSKlaus Jensen } 468088eea45cSKlaus Jensen 468188eea45cSKlaus Jensen static void nvme_free_cq(NvmeCQueue *cq, NvmeCtrl *n) 468288eea45cSKlaus Jensen { 468348b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 46842e53b0b4SJinhao Fan uint16_t offset = (cq->cqid << 3) + (1 << 2); 46852e53b0b4SJinhao Fan 468688eea45cSKlaus Jensen n->cq[cq->cqid] = NULL; 4687d38cc6fdSKlaus Jensen qemu_bh_delete(cq->bh); 46882e53b0b4SJinhao Fan if (cq->ioeventfd_enabled) { 46892e53b0b4SJinhao Fan memory_region_del_eventfd(&n->iomem, 46902e53b0b4SJinhao Fan 0x1000 + offset, 4, false, 0, &cq->notifier); 469104e8da88SKlaus Jensen event_notifier_set_handler(&cq->notifier, NULL); 46922e53b0b4SJinhao Fan event_notifier_cleanup(&cq->notifier); 46932e53b0b4SJinhao Fan } 469448b32c28SKlaus Jensen if (msix_enabled(pci)) { 469548b32c28SKlaus Jensen msix_vector_unuse(pci, cq->vector); 469688eea45cSKlaus Jensen } 469788eea45cSKlaus Jensen if (cq->cqid) { 469888eea45cSKlaus Jensen g_free(cq); 469988eea45cSKlaus Jensen } 470088eea45cSKlaus Jensen } 470188eea45cSKlaus Jensen 470288eea45cSKlaus Jensen static uint16_t nvme_del_cq(NvmeCtrl *n, NvmeRequest *req) 470388eea45cSKlaus Jensen { 470488eea45cSKlaus Jensen NvmeDeleteQ *c = (NvmeDeleteQ *)&req->cmd; 470588eea45cSKlaus Jensen NvmeCQueue *cq; 470688eea45cSKlaus Jensen uint16_t qid = le16_to_cpu(c->qid); 470788eea45cSKlaus Jensen 470888eea45cSKlaus Jensen if (unlikely(!qid || nvme_check_cqid(n, qid))) { 470988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_cq_cqid(qid); 471088eea45cSKlaus Jensen return NVME_INVALID_CQID | NVME_DNR; 471188eea45cSKlaus Jensen } 471288eea45cSKlaus Jensen 471388eea45cSKlaus Jensen cq = n->cq[qid]; 471488eea45cSKlaus Jensen if (unlikely(!QTAILQ_EMPTY(&cq->sq_list))) { 471588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_cq_notempty(qid); 471688eea45cSKlaus Jensen return NVME_INVALID_QUEUE_DEL; 471788eea45cSKlaus Jensen } 471883d7ed5cSKlaus Jensen 471983d7ed5cSKlaus Jensen if (cq->irq_enabled && cq->tail != cq->head) { 472083d7ed5cSKlaus Jensen n->cq_pending--; 472183d7ed5cSKlaus Jensen } 472283d7ed5cSKlaus Jensen 472388eea45cSKlaus Jensen nvme_irq_deassert(n, cq); 472488eea45cSKlaus Jensen trace_pci_nvme_del_cq(qid); 472588eea45cSKlaus Jensen nvme_free_cq(cq, n); 472688eea45cSKlaus Jensen return NVME_SUCCESS; 472788eea45cSKlaus Jensen } 472888eea45cSKlaus Jensen 472988eea45cSKlaus Jensen static void nvme_init_cq(NvmeCQueue *cq, NvmeCtrl *n, uint64_t dma_addr, 473088eea45cSKlaus Jensen uint16_t cqid, uint16_t vector, uint16_t size, 473188eea45cSKlaus Jensen uint16_t irq_enabled) 473288eea45cSKlaus Jensen { 473348b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 473448b32c28SKlaus Jensen 473548b32c28SKlaus Jensen if (msix_enabled(pci)) { 473648b32c28SKlaus Jensen msix_vector_use(pci, vector); 473788eea45cSKlaus Jensen } 473888eea45cSKlaus Jensen cq->ctrl = n; 473988eea45cSKlaus Jensen cq->cqid = cqid; 474088eea45cSKlaus Jensen cq->size = size; 474188eea45cSKlaus Jensen cq->dma_addr = dma_addr; 474288eea45cSKlaus Jensen cq->phase = 1; 474388eea45cSKlaus Jensen cq->irq_enabled = irq_enabled; 474488eea45cSKlaus Jensen cq->vector = vector; 474588eea45cSKlaus Jensen cq->head = cq->tail = 0; 474688eea45cSKlaus Jensen QTAILQ_INIT(&cq->req_list); 474788eea45cSKlaus Jensen QTAILQ_INIT(&cq->sq_list); 47483f7fe8deSJinhao Fan if (n->dbbuf_enabled) { 47493f7fe8deSJinhao Fan cq->db_addr = n->dbbuf_dbs + (cqid << 3) + (1 << 2); 47503f7fe8deSJinhao Fan cq->ei_addr = n->dbbuf_eis + (cqid << 3) + (1 << 2); 47512e53b0b4SJinhao Fan 47522e53b0b4SJinhao Fan if (n->params.ioeventfd && cqid != 0) { 47532e53b0b4SJinhao Fan if (!nvme_init_cq_ioeventfd(cq)) { 47542e53b0b4SJinhao Fan cq->ioeventfd_enabled = true; 47552e53b0b4SJinhao Fan } 47562e53b0b4SJinhao Fan } 47573f7fe8deSJinhao Fan } 475888eea45cSKlaus Jensen n->cq[cqid] = cq; 4759d38cc6fdSKlaus Jensen cq->bh = qemu_bh_new(nvme_post_cqes, cq); 476088eea45cSKlaus Jensen } 476188eea45cSKlaus Jensen 476288eea45cSKlaus Jensen static uint16_t nvme_create_cq(NvmeCtrl *n, NvmeRequest *req) 476388eea45cSKlaus Jensen { 476488eea45cSKlaus Jensen NvmeCQueue *cq; 476588eea45cSKlaus Jensen NvmeCreateCq *c = (NvmeCreateCq *)&req->cmd; 476688eea45cSKlaus Jensen uint16_t cqid = le16_to_cpu(c->cqid); 476788eea45cSKlaus Jensen uint16_t vector = le16_to_cpu(c->irq_vector); 476888eea45cSKlaus Jensen uint16_t qsize = le16_to_cpu(c->qsize); 476988eea45cSKlaus Jensen uint16_t qflags = le16_to_cpu(c->cq_flags); 477088eea45cSKlaus Jensen uint64_t prp1 = le64_to_cpu(c->prp1); 477188eea45cSKlaus Jensen 477288eea45cSKlaus Jensen trace_pci_nvme_create_cq(prp1, cqid, vector, qsize, qflags, 477388eea45cSKlaus Jensen NVME_CQ_FLAGS_IEN(qflags) != 0); 477488eea45cSKlaus Jensen 4775decc0261SŁukasz Gieryk if (unlikely(!cqid || cqid > n->conf_ioqpairs || n->cq[cqid] != NULL)) { 477688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_cqid(cqid); 477788eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 477888eea45cSKlaus Jensen } 477949e03457SKlaus Jensen if (unlikely(!qsize || qsize > NVME_CAP_MQES(ldq_le_p(&n->bar.cap)))) { 478088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_size(qsize); 478188eea45cSKlaus Jensen return NVME_MAX_QSIZE_EXCEEDED | NVME_DNR; 478288eea45cSKlaus Jensen } 478388eea45cSKlaus Jensen if (unlikely(prp1 & (n->page_size - 1))) { 478488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_addr(prp1); 478588eea45cSKlaus Jensen return NVME_INVALID_PRP_OFFSET | NVME_DNR; 478688eea45cSKlaus Jensen } 478748b32c28SKlaus Jensen if (unlikely(!msix_enabled(PCI_DEVICE(n)) && vector)) { 478888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_vector(vector); 478988eea45cSKlaus Jensen return NVME_INVALID_IRQ_VECTOR | NVME_DNR; 479088eea45cSKlaus Jensen } 4791decc0261SŁukasz Gieryk if (unlikely(vector >= n->conf_msix_qsize)) { 479288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_vector(vector); 479388eea45cSKlaus Jensen return NVME_INVALID_IRQ_VECTOR | NVME_DNR; 479488eea45cSKlaus Jensen } 479588eea45cSKlaus Jensen if (unlikely(!(NVME_CQ_FLAGS_PC(qflags)))) { 479688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_qflags(NVME_CQ_FLAGS_PC(qflags)); 479788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 479888eea45cSKlaus Jensen } 479988eea45cSKlaus Jensen 480088eea45cSKlaus Jensen cq = g_malloc0(sizeof(*cq)); 480188eea45cSKlaus Jensen nvme_init_cq(cq, n, prp1, cqid, vector, qsize + 1, 480288eea45cSKlaus Jensen NVME_CQ_FLAGS_IEN(qflags)); 480388eea45cSKlaus Jensen 480488eea45cSKlaus Jensen /* 480588eea45cSKlaus Jensen * It is only required to set qs_created when creating a completion queue; 480688eea45cSKlaus Jensen * creating a submission queue without a matching completion queue will 480788eea45cSKlaus Jensen * fail. 480888eea45cSKlaus Jensen */ 480988eea45cSKlaus Jensen n->qs_created = true; 481088eea45cSKlaus Jensen return NVME_SUCCESS; 481188eea45cSKlaus Jensen } 481288eea45cSKlaus Jensen 481388eea45cSKlaus Jensen static uint16_t nvme_rpt_empty_id_struct(NvmeCtrl *n, NvmeRequest *req) 481488eea45cSKlaus Jensen { 481588eea45cSKlaus Jensen uint8_t id[NVME_IDENTIFY_DATA_SIZE] = {}; 481688eea45cSKlaus Jensen 481788eea45cSKlaus Jensen return nvme_c2h(n, id, sizeof(id), req); 481888eea45cSKlaus Jensen } 481988eea45cSKlaus Jensen 482088eea45cSKlaus Jensen static uint16_t nvme_identify_ctrl(NvmeCtrl *n, NvmeRequest *req) 482188eea45cSKlaus Jensen { 482288eea45cSKlaus Jensen trace_pci_nvme_identify_ctrl(); 482388eea45cSKlaus Jensen 482488eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&n->id_ctrl, sizeof(n->id_ctrl), req); 482588eea45cSKlaus Jensen } 482688eea45cSKlaus Jensen 482788eea45cSKlaus Jensen static uint16_t nvme_identify_ctrl_csi(NvmeCtrl *n, NvmeRequest *req) 482888eea45cSKlaus Jensen { 482988eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 483088eea45cSKlaus Jensen uint8_t id[NVME_IDENTIFY_DATA_SIZE] = {}; 483188eea45cSKlaus Jensen NvmeIdCtrlNvm *id_nvm = (NvmeIdCtrlNvm *)&id; 483288eea45cSKlaus Jensen 483388eea45cSKlaus Jensen trace_pci_nvme_identify_ctrl_csi(c->csi); 483488eea45cSKlaus Jensen 483588eea45cSKlaus Jensen switch (c->csi) { 483688eea45cSKlaus Jensen case NVME_CSI_NVM: 483788eea45cSKlaus Jensen id_nvm->vsl = n->params.vsl; 483888eea45cSKlaus Jensen id_nvm->dmrsl = cpu_to_le32(n->dmrsl); 483988eea45cSKlaus Jensen break; 484088eea45cSKlaus Jensen 484188eea45cSKlaus Jensen case NVME_CSI_ZONED: 484288eea45cSKlaus Jensen ((NvmeIdCtrlZoned *)&id)->zasl = n->params.zasl; 484388eea45cSKlaus Jensen break; 484488eea45cSKlaus Jensen 484588eea45cSKlaus Jensen default: 484688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 484788eea45cSKlaus Jensen } 484888eea45cSKlaus Jensen 484988eea45cSKlaus Jensen return nvme_c2h(n, id, sizeof(id), req); 485088eea45cSKlaus Jensen } 485188eea45cSKlaus Jensen 485288eea45cSKlaus Jensen static uint16_t nvme_identify_ns(NvmeCtrl *n, NvmeRequest *req, bool active) 485388eea45cSKlaus Jensen { 485488eea45cSKlaus Jensen NvmeNamespace *ns; 485588eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 485688eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 485788eea45cSKlaus Jensen 485888eea45cSKlaus Jensen trace_pci_nvme_identify_ns(nsid); 485988eea45cSKlaus Jensen 486088eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 486188eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 486288eea45cSKlaus Jensen } 486388eea45cSKlaus Jensen 486488eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 486588eea45cSKlaus Jensen if (unlikely(!ns)) { 486688eea45cSKlaus Jensen if (!active) { 486788eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 486888eea45cSKlaus Jensen if (!ns) { 486988eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 487088eea45cSKlaus Jensen } 487188eea45cSKlaus Jensen } else { 487288eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 487388eea45cSKlaus Jensen } 487488eea45cSKlaus Jensen } 487588eea45cSKlaus Jensen 48763553c48fSGollu Appalanaidu if (active || ns->csi == NVME_CSI_NVM) { 487788eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&ns->id_ns, sizeof(NvmeIdNs), req); 487888eea45cSKlaus Jensen } 487988eea45cSKlaus Jensen 488088eea45cSKlaus Jensen return NVME_INVALID_CMD_SET | NVME_DNR; 488188eea45cSKlaus Jensen } 488288eea45cSKlaus Jensen 48835f4eb94dSGollu Appalanaidu static uint16_t nvme_identify_ctrl_list(NvmeCtrl *n, NvmeRequest *req, 48845f4eb94dSGollu Appalanaidu bool attached) 488588eea45cSKlaus Jensen { 488688eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 48875f4eb94dSGollu Appalanaidu uint32_t nsid = le32_to_cpu(c->nsid); 488888eea45cSKlaus Jensen uint16_t min_id = le16_to_cpu(c->ctrlid); 488988eea45cSKlaus Jensen uint16_t list[NVME_CONTROLLER_LIST_SIZE] = {}; 489088eea45cSKlaus Jensen uint16_t *ids = &list[1]; 489188eea45cSKlaus Jensen NvmeNamespace *ns; 489288eea45cSKlaus Jensen NvmeCtrl *ctrl; 489388eea45cSKlaus Jensen int cntlid, nr_ids = 0; 489488eea45cSKlaus Jensen 48955f4eb94dSGollu Appalanaidu trace_pci_nvme_identify_ctrl_list(c->cns, min_id); 489688eea45cSKlaus Jensen 48975f4eb94dSGollu Appalanaidu if (!n->subsys) { 489888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 489988eea45cSKlaus Jensen } 490088eea45cSKlaus Jensen 49015f4eb94dSGollu Appalanaidu if (attached) { 49025f4eb94dSGollu Appalanaidu if (nsid == NVME_NSID_BROADCAST) { 49035f4eb94dSGollu Appalanaidu return NVME_INVALID_FIELD | NVME_DNR; 49045f4eb94dSGollu Appalanaidu } 49055f4eb94dSGollu Appalanaidu 49065f4eb94dSGollu Appalanaidu ns = nvme_subsys_ns(n->subsys, nsid); 490788eea45cSKlaus Jensen if (!ns) { 490888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 490988eea45cSKlaus Jensen } 49105f4eb94dSGollu Appalanaidu } 491188eea45cSKlaus Jensen 491288eea45cSKlaus Jensen for (cntlid = min_id; cntlid < ARRAY_SIZE(n->subsys->ctrls); cntlid++) { 491388eea45cSKlaus Jensen ctrl = nvme_subsys_ctrl(n->subsys, cntlid); 491488eea45cSKlaus Jensen if (!ctrl) { 491588eea45cSKlaus Jensen continue; 491688eea45cSKlaus Jensen } 491788eea45cSKlaus Jensen 49185f4eb94dSGollu Appalanaidu if (attached && !nvme_ns(ctrl, nsid)) { 491988eea45cSKlaus Jensen continue; 492088eea45cSKlaus Jensen } 492188eea45cSKlaus Jensen 492288eea45cSKlaus Jensen ids[nr_ids++] = cntlid; 492388eea45cSKlaus Jensen } 492488eea45cSKlaus Jensen 492588eea45cSKlaus Jensen list[0] = nr_ids; 492688eea45cSKlaus Jensen 492788eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)list, sizeof(list), req); 492888eea45cSKlaus Jensen } 492988eea45cSKlaus Jensen 49305e6f963fSLukasz Maniak static uint16_t nvme_identify_pri_ctrl_cap(NvmeCtrl *n, NvmeRequest *req) 49315e6f963fSLukasz Maniak { 49325e6f963fSLukasz Maniak trace_pci_nvme_identify_pri_ctrl_cap(le16_to_cpu(n->pri_ctrl_cap.cntlid)); 49335e6f963fSLukasz Maniak 49345e6f963fSLukasz Maniak return nvme_c2h(n, (uint8_t *)&n->pri_ctrl_cap, 49355e6f963fSLukasz Maniak sizeof(NvmePriCtrlCap), req); 49365e6f963fSLukasz Maniak } 49375e6f963fSLukasz Maniak 493899f48ae7SLukasz Maniak static uint16_t nvme_identify_sec_ctrl_list(NvmeCtrl *n, NvmeRequest *req) 493999f48ae7SLukasz Maniak { 494099f48ae7SLukasz Maniak NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 494199f48ae7SLukasz Maniak uint16_t pri_ctrl_id = le16_to_cpu(n->pri_ctrl_cap.cntlid); 494299f48ae7SLukasz Maniak uint16_t min_id = le16_to_cpu(c->ctrlid); 494399f48ae7SLukasz Maniak uint8_t num_sec_ctrl = n->sec_ctrl_list.numcntl; 494499f48ae7SLukasz Maniak NvmeSecCtrlList list = {0}; 494599f48ae7SLukasz Maniak uint8_t i; 494699f48ae7SLukasz Maniak 494799f48ae7SLukasz Maniak for (i = 0; i < num_sec_ctrl; i++) { 494899f48ae7SLukasz Maniak if (n->sec_ctrl_list.sec[i].scid >= min_id) { 494999f48ae7SLukasz Maniak list.numcntl = num_sec_ctrl - i; 495099f48ae7SLukasz Maniak memcpy(&list.sec, n->sec_ctrl_list.sec + i, 495199f48ae7SLukasz Maniak list.numcntl * sizeof(NvmeSecCtrlEntry)); 495299f48ae7SLukasz Maniak break; 495399f48ae7SLukasz Maniak } 495499f48ae7SLukasz Maniak } 495599f48ae7SLukasz Maniak 495699f48ae7SLukasz Maniak trace_pci_nvme_identify_sec_ctrl_list(pri_ctrl_id, list.numcntl); 495799f48ae7SLukasz Maniak 495899f48ae7SLukasz Maniak return nvme_c2h(n, (uint8_t *)&list, sizeof(list), req); 495999f48ae7SLukasz Maniak } 496099f48ae7SLukasz Maniak 496188eea45cSKlaus Jensen static uint16_t nvme_identify_ns_csi(NvmeCtrl *n, NvmeRequest *req, 496288eea45cSKlaus Jensen bool active) 496388eea45cSKlaus Jensen { 496488eea45cSKlaus Jensen NvmeNamespace *ns; 496588eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 496688eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 496788eea45cSKlaus Jensen 496888eea45cSKlaus Jensen trace_pci_nvme_identify_ns_csi(nsid, c->csi); 496988eea45cSKlaus Jensen 497088eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 497188eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 497288eea45cSKlaus Jensen } 497388eea45cSKlaus Jensen 497488eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 497588eea45cSKlaus Jensen if (unlikely(!ns)) { 497688eea45cSKlaus Jensen if (!active) { 497788eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 497888eea45cSKlaus Jensen if (!ns) { 497988eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 498088eea45cSKlaus Jensen } 498188eea45cSKlaus Jensen } else { 498288eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 498388eea45cSKlaus Jensen } 498488eea45cSKlaus Jensen } 498588eea45cSKlaus Jensen 49863553c48fSGollu Appalanaidu if (c->csi == NVME_CSI_NVM) { 498744219b60SNaveen Nagar return nvme_c2h(n, (uint8_t *)&ns->id_ns_nvm, sizeof(NvmeIdNsNvm), 498844219b60SNaveen Nagar req); 498988eea45cSKlaus Jensen } else if (c->csi == NVME_CSI_ZONED && ns->csi == NVME_CSI_ZONED) { 499088eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)ns->id_ns_zoned, sizeof(NvmeIdNsZoned), 499188eea45cSKlaus Jensen req); 499288eea45cSKlaus Jensen } 499388eea45cSKlaus Jensen 499488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 499588eea45cSKlaus Jensen } 499688eea45cSKlaus Jensen 499788eea45cSKlaus Jensen static uint16_t nvme_identify_nslist(NvmeCtrl *n, NvmeRequest *req, 499888eea45cSKlaus Jensen bool active) 499988eea45cSKlaus Jensen { 500088eea45cSKlaus Jensen NvmeNamespace *ns; 500188eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 500288eea45cSKlaus Jensen uint32_t min_nsid = le32_to_cpu(c->nsid); 500388eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 500488eea45cSKlaus Jensen static const int data_len = sizeof(list); 500588eea45cSKlaus Jensen uint32_t *list_ptr = (uint32_t *)list; 500688eea45cSKlaus Jensen int i, j = 0; 500788eea45cSKlaus Jensen 500888eea45cSKlaus Jensen trace_pci_nvme_identify_nslist(min_nsid); 500988eea45cSKlaus Jensen 501088eea45cSKlaus Jensen /* 501188eea45cSKlaus Jensen * Both FFFFFFFFh (NVME_NSID_BROADCAST) and FFFFFFFFEh are invalid values 501288eea45cSKlaus Jensen * since the Active Namespace ID List should return namespaces with ids 501388eea45cSKlaus Jensen * *higher* than the NSID specified in the command. This is also specified 501488eea45cSKlaus Jensen * in the spec (NVM Express v1.3d, Section 5.15.4). 501588eea45cSKlaus Jensen */ 501688eea45cSKlaus Jensen if (min_nsid >= NVME_NSID_BROADCAST - 1) { 501788eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 501888eea45cSKlaus Jensen } 501988eea45cSKlaus Jensen 502088eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 502188eea45cSKlaus Jensen ns = nvme_ns(n, i); 502288eea45cSKlaus Jensen if (!ns) { 502388eea45cSKlaus Jensen if (!active) { 502488eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, i); 502588eea45cSKlaus Jensen if (!ns) { 502688eea45cSKlaus Jensen continue; 502788eea45cSKlaus Jensen } 502888eea45cSKlaus Jensen } else { 502988eea45cSKlaus Jensen continue; 503088eea45cSKlaus Jensen } 503188eea45cSKlaus Jensen } 503288eea45cSKlaus Jensen if (ns->params.nsid <= min_nsid) { 503388eea45cSKlaus Jensen continue; 503488eea45cSKlaus Jensen } 503588eea45cSKlaus Jensen list_ptr[j++] = cpu_to_le32(ns->params.nsid); 503688eea45cSKlaus Jensen if (j == data_len / sizeof(uint32_t)) { 503788eea45cSKlaus Jensen break; 503888eea45cSKlaus Jensen } 503988eea45cSKlaus Jensen } 504088eea45cSKlaus Jensen 504188eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 504288eea45cSKlaus Jensen } 504388eea45cSKlaus Jensen 504488eea45cSKlaus Jensen static uint16_t nvme_identify_nslist_csi(NvmeCtrl *n, NvmeRequest *req, 504588eea45cSKlaus Jensen bool active) 504688eea45cSKlaus Jensen { 504788eea45cSKlaus Jensen NvmeNamespace *ns; 504888eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 504988eea45cSKlaus Jensen uint32_t min_nsid = le32_to_cpu(c->nsid); 505088eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 505188eea45cSKlaus Jensen static const int data_len = sizeof(list); 505288eea45cSKlaus Jensen uint32_t *list_ptr = (uint32_t *)list; 505388eea45cSKlaus Jensen int i, j = 0; 505488eea45cSKlaus Jensen 505588eea45cSKlaus Jensen trace_pci_nvme_identify_nslist_csi(min_nsid, c->csi); 505688eea45cSKlaus Jensen 505788eea45cSKlaus Jensen /* 505888eea45cSKlaus Jensen * Same as in nvme_identify_nslist(), FFFFFFFFh/FFFFFFFFEh are invalid. 505988eea45cSKlaus Jensen */ 506088eea45cSKlaus Jensen if (min_nsid >= NVME_NSID_BROADCAST - 1) { 506188eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 506288eea45cSKlaus Jensen } 506388eea45cSKlaus Jensen 506488eea45cSKlaus Jensen if (c->csi != NVME_CSI_NVM && c->csi != NVME_CSI_ZONED) { 506588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 506688eea45cSKlaus Jensen } 506788eea45cSKlaus Jensen 506888eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 506988eea45cSKlaus Jensen ns = nvme_ns(n, i); 507088eea45cSKlaus Jensen if (!ns) { 507188eea45cSKlaus Jensen if (!active) { 507288eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, i); 507388eea45cSKlaus Jensen if (!ns) { 507488eea45cSKlaus Jensen continue; 507588eea45cSKlaus Jensen } 507688eea45cSKlaus Jensen } else { 507788eea45cSKlaus Jensen continue; 507888eea45cSKlaus Jensen } 507988eea45cSKlaus Jensen } 508088eea45cSKlaus Jensen if (ns->params.nsid <= min_nsid || c->csi != ns->csi) { 508188eea45cSKlaus Jensen continue; 508288eea45cSKlaus Jensen } 508388eea45cSKlaus Jensen list_ptr[j++] = cpu_to_le32(ns->params.nsid); 508488eea45cSKlaus Jensen if (j == data_len / sizeof(uint32_t)) { 508588eea45cSKlaus Jensen break; 508688eea45cSKlaus Jensen } 508788eea45cSKlaus Jensen } 508888eea45cSKlaus Jensen 508988eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 509088eea45cSKlaus Jensen } 509188eea45cSKlaus Jensen 509288eea45cSKlaus Jensen static uint16_t nvme_identify_ns_descr_list(NvmeCtrl *n, NvmeRequest *req) 509388eea45cSKlaus Jensen { 509488eea45cSKlaus Jensen NvmeNamespace *ns; 509588eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 509688eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 509788eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 50986870cfb8SHeinrich Schuchardt uint8_t *pos = list; 509988eea45cSKlaus Jensen struct { 510088eea45cSKlaus Jensen NvmeIdNsDescr hdr; 510188eea45cSKlaus Jensen uint8_t v[NVME_NIDL_UUID]; 51025f4884c4SKlaus Jensen } QEMU_PACKED uuid = {}; 51036870cfb8SHeinrich Schuchardt struct { 51046870cfb8SHeinrich Schuchardt NvmeIdNsDescr hdr; 51056870cfb8SHeinrich Schuchardt uint64_t v; 51065f4884c4SKlaus Jensen } QEMU_PACKED eui64 = {}; 510788eea45cSKlaus Jensen struct { 510888eea45cSKlaus Jensen NvmeIdNsDescr hdr; 510988eea45cSKlaus Jensen uint8_t v; 51105f4884c4SKlaus Jensen } QEMU_PACKED csi = {}; 511188eea45cSKlaus Jensen 511288eea45cSKlaus Jensen trace_pci_nvme_identify_ns_descr_list(nsid); 511388eea45cSKlaus Jensen 511488eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 511588eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 511688eea45cSKlaus Jensen } 511788eea45cSKlaus Jensen 511888eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 511988eea45cSKlaus Jensen if (unlikely(!ns)) { 512088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 512188eea45cSKlaus Jensen } 512288eea45cSKlaus Jensen 51239f2e1acfSKlaus Jensen if (!qemu_uuid_is_null(&ns->params.uuid)) { 51246870cfb8SHeinrich Schuchardt uuid.hdr.nidt = NVME_NIDT_UUID; 51256870cfb8SHeinrich Schuchardt uuid.hdr.nidl = NVME_NIDL_UUID; 51266870cfb8SHeinrich Schuchardt memcpy(uuid.v, ns->params.uuid.data, NVME_NIDL_UUID); 51276870cfb8SHeinrich Schuchardt memcpy(pos, &uuid, sizeof(uuid)); 51286870cfb8SHeinrich Schuchardt pos += sizeof(uuid); 51299f2e1acfSKlaus Jensen } 513088eea45cSKlaus Jensen 51316870cfb8SHeinrich Schuchardt if (ns->params.eui64) { 51326870cfb8SHeinrich Schuchardt eui64.hdr.nidt = NVME_NIDT_EUI64; 51336870cfb8SHeinrich Schuchardt eui64.hdr.nidl = NVME_NIDL_EUI64; 51346870cfb8SHeinrich Schuchardt eui64.v = cpu_to_be64(ns->params.eui64); 51356870cfb8SHeinrich Schuchardt memcpy(pos, &eui64, sizeof(eui64)); 51366870cfb8SHeinrich Schuchardt pos += sizeof(eui64); 51376870cfb8SHeinrich Schuchardt } 51386870cfb8SHeinrich Schuchardt 51396870cfb8SHeinrich Schuchardt csi.hdr.nidt = NVME_NIDT_CSI; 51406870cfb8SHeinrich Schuchardt csi.hdr.nidl = NVME_NIDL_CSI; 51416870cfb8SHeinrich Schuchardt csi.v = ns->csi; 51426870cfb8SHeinrich Schuchardt memcpy(pos, &csi, sizeof(csi)); 51436870cfb8SHeinrich Schuchardt pos += sizeof(csi); 514488eea45cSKlaus Jensen 514588eea45cSKlaus Jensen return nvme_c2h(n, list, sizeof(list), req); 514688eea45cSKlaus Jensen } 514788eea45cSKlaus Jensen 514888eea45cSKlaus Jensen static uint16_t nvme_identify_cmd_set(NvmeCtrl *n, NvmeRequest *req) 514988eea45cSKlaus Jensen { 515088eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 515188eea45cSKlaus Jensen static const int data_len = sizeof(list); 515288eea45cSKlaus Jensen 515388eea45cSKlaus Jensen trace_pci_nvme_identify_cmd_set(); 515488eea45cSKlaus Jensen 515588eea45cSKlaus Jensen NVME_SET_CSI(*list, NVME_CSI_NVM); 515688eea45cSKlaus Jensen NVME_SET_CSI(*list, NVME_CSI_ZONED); 515788eea45cSKlaus Jensen 515888eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 515988eea45cSKlaus Jensen } 516088eea45cSKlaus Jensen 516188eea45cSKlaus Jensen static uint16_t nvme_identify(NvmeCtrl *n, NvmeRequest *req) 516288eea45cSKlaus Jensen { 516388eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 516488eea45cSKlaus Jensen 516588eea45cSKlaus Jensen trace_pci_nvme_identify(nvme_cid(req), c->cns, le16_to_cpu(c->ctrlid), 516688eea45cSKlaus Jensen c->csi); 516788eea45cSKlaus Jensen 516888eea45cSKlaus Jensen switch (c->cns) { 516988eea45cSKlaus Jensen case NVME_ID_CNS_NS: 517088eea45cSKlaus Jensen return nvme_identify_ns(n, req, true); 517188eea45cSKlaus Jensen case NVME_ID_CNS_NS_PRESENT: 517288eea45cSKlaus Jensen return nvme_identify_ns(n, req, false); 517388eea45cSKlaus Jensen case NVME_ID_CNS_NS_ATTACHED_CTRL_LIST: 51745f4eb94dSGollu Appalanaidu return nvme_identify_ctrl_list(n, req, true); 51755f4eb94dSGollu Appalanaidu case NVME_ID_CNS_CTRL_LIST: 51765f4eb94dSGollu Appalanaidu return nvme_identify_ctrl_list(n, req, false); 51775e6f963fSLukasz Maniak case NVME_ID_CNS_PRIMARY_CTRL_CAP: 51785e6f963fSLukasz Maniak return nvme_identify_pri_ctrl_cap(n, req); 517999f48ae7SLukasz Maniak case NVME_ID_CNS_SECONDARY_CTRL_LIST: 518099f48ae7SLukasz Maniak return nvme_identify_sec_ctrl_list(n, req); 518188eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS: 518288eea45cSKlaus Jensen return nvme_identify_ns_csi(n, req, true); 518388eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_PRESENT: 518488eea45cSKlaus Jensen return nvme_identify_ns_csi(n, req, false); 518588eea45cSKlaus Jensen case NVME_ID_CNS_CTRL: 518688eea45cSKlaus Jensen return nvme_identify_ctrl(n, req); 518788eea45cSKlaus Jensen case NVME_ID_CNS_CS_CTRL: 518888eea45cSKlaus Jensen return nvme_identify_ctrl_csi(n, req); 518988eea45cSKlaus Jensen case NVME_ID_CNS_NS_ACTIVE_LIST: 519088eea45cSKlaus Jensen return nvme_identify_nslist(n, req, true); 519188eea45cSKlaus Jensen case NVME_ID_CNS_NS_PRESENT_LIST: 519288eea45cSKlaus Jensen return nvme_identify_nslist(n, req, false); 519388eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_ACTIVE_LIST: 519488eea45cSKlaus Jensen return nvme_identify_nslist_csi(n, req, true); 519588eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_PRESENT_LIST: 519688eea45cSKlaus Jensen return nvme_identify_nslist_csi(n, req, false); 519788eea45cSKlaus Jensen case NVME_ID_CNS_NS_DESCR_LIST: 519888eea45cSKlaus Jensen return nvme_identify_ns_descr_list(n, req); 519988eea45cSKlaus Jensen case NVME_ID_CNS_IO_COMMAND_SET: 520088eea45cSKlaus Jensen return nvme_identify_cmd_set(n, req); 520188eea45cSKlaus Jensen default: 520288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_identify_cns(le32_to_cpu(c->cns)); 520388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 520488eea45cSKlaus Jensen } 520588eea45cSKlaus Jensen } 520688eea45cSKlaus Jensen 520788eea45cSKlaus Jensen static uint16_t nvme_abort(NvmeCtrl *n, NvmeRequest *req) 520888eea45cSKlaus Jensen { 520988eea45cSKlaus Jensen uint16_t sqid = le32_to_cpu(req->cmd.cdw10) & 0xffff; 521088eea45cSKlaus Jensen 521188eea45cSKlaus Jensen req->cqe.result = 1; 521288eea45cSKlaus Jensen if (nvme_check_sqid(n, sqid)) { 521388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 521488eea45cSKlaus Jensen } 521588eea45cSKlaus Jensen 521688eea45cSKlaus Jensen return NVME_SUCCESS; 521788eea45cSKlaus Jensen } 521888eea45cSKlaus Jensen 521988eea45cSKlaus Jensen static inline void nvme_set_timestamp(NvmeCtrl *n, uint64_t ts) 522088eea45cSKlaus Jensen { 522188eea45cSKlaus Jensen trace_pci_nvme_setfeat_timestamp(ts); 522288eea45cSKlaus Jensen 522388eea45cSKlaus Jensen n->host_timestamp = le64_to_cpu(ts); 522488eea45cSKlaus Jensen n->timestamp_set_qemu_clock_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 522588eea45cSKlaus Jensen } 522688eea45cSKlaus Jensen 522788eea45cSKlaus Jensen static inline uint64_t nvme_get_timestamp(const NvmeCtrl *n) 522888eea45cSKlaus Jensen { 522988eea45cSKlaus Jensen uint64_t current_time = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 523088eea45cSKlaus Jensen uint64_t elapsed_time = current_time - n->timestamp_set_qemu_clock_ms; 523188eea45cSKlaus Jensen 523288eea45cSKlaus Jensen union nvme_timestamp { 523388eea45cSKlaus Jensen struct { 523488eea45cSKlaus Jensen uint64_t timestamp:48; 523588eea45cSKlaus Jensen uint64_t sync:1; 523688eea45cSKlaus Jensen uint64_t origin:3; 523788eea45cSKlaus Jensen uint64_t rsvd1:12; 523888eea45cSKlaus Jensen }; 523988eea45cSKlaus Jensen uint64_t all; 524088eea45cSKlaus Jensen }; 524188eea45cSKlaus Jensen 524288eea45cSKlaus Jensen union nvme_timestamp ts; 524388eea45cSKlaus Jensen ts.all = 0; 524488eea45cSKlaus Jensen ts.timestamp = n->host_timestamp + elapsed_time; 524588eea45cSKlaus Jensen 524688eea45cSKlaus Jensen /* If the host timestamp is non-zero, set the timestamp origin */ 524788eea45cSKlaus Jensen ts.origin = n->host_timestamp ? 0x01 : 0x00; 524888eea45cSKlaus Jensen 524988eea45cSKlaus Jensen trace_pci_nvme_getfeat_timestamp(ts.all); 525088eea45cSKlaus Jensen 525188eea45cSKlaus Jensen return cpu_to_le64(ts.all); 525288eea45cSKlaus Jensen } 525388eea45cSKlaus Jensen 525488eea45cSKlaus Jensen static uint16_t nvme_get_feature_timestamp(NvmeCtrl *n, NvmeRequest *req) 525588eea45cSKlaus Jensen { 525688eea45cSKlaus Jensen uint64_t timestamp = nvme_get_timestamp(n); 525788eea45cSKlaus Jensen 525888eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)×tamp, sizeof(timestamp), req); 525988eea45cSKlaus Jensen } 526088eea45cSKlaus Jensen 526188eea45cSKlaus Jensen static uint16_t nvme_get_feature(NvmeCtrl *n, NvmeRequest *req) 526288eea45cSKlaus Jensen { 526388eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 526488eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 526588eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 526688eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(cmd->nsid); 526788eea45cSKlaus Jensen uint32_t result; 526888eea45cSKlaus Jensen uint8_t fid = NVME_GETSETFEAT_FID(dw10); 526988eea45cSKlaus Jensen NvmeGetFeatureSelect sel = NVME_GETFEAT_SELECT(dw10); 527088eea45cSKlaus Jensen uint16_t iv; 527188eea45cSKlaus Jensen NvmeNamespace *ns; 527288eea45cSKlaus Jensen int i; 527388eea45cSKlaus Jensen 527488eea45cSKlaus Jensen static const uint32_t nvme_feature_default[NVME_FID_MAX] = { 527588eea45cSKlaus Jensen [NVME_ARBITRATION] = NVME_ARB_AB_NOLIMIT, 527688eea45cSKlaus Jensen }; 527788eea45cSKlaus Jensen 527888eea45cSKlaus Jensen trace_pci_nvme_getfeat(nvme_cid(req), nsid, fid, sel, dw11); 527988eea45cSKlaus Jensen 528088eea45cSKlaus Jensen if (!nvme_feature_support[fid]) { 528188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 528288eea45cSKlaus Jensen } 528388eea45cSKlaus Jensen 528488eea45cSKlaus Jensen if (nvme_feature_cap[fid] & NVME_FEAT_CAP_NS) { 528588eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 528688eea45cSKlaus Jensen /* 528788eea45cSKlaus Jensen * The Reservation Notification Mask and Reservation Persistence 528888eea45cSKlaus Jensen * features require a status code of Invalid Field in Command when 528988eea45cSKlaus Jensen * NSID is FFFFFFFFh. Since the device does not support those 529088eea45cSKlaus Jensen * features we can always return Invalid Namespace or Format as we 529188eea45cSKlaus Jensen * should do for all other features. 529288eea45cSKlaus Jensen */ 529388eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 529488eea45cSKlaus Jensen } 529588eea45cSKlaus Jensen 529688eea45cSKlaus Jensen if (!nvme_ns(n, nsid)) { 529788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 529888eea45cSKlaus Jensen } 529988eea45cSKlaus Jensen } 530088eea45cSKlaus Jensen 530188eea45cSKlaus Jensen switch (sel) { 530288eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_CURRENT: 530388eea45cSKlaus Jensen break; 530488eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_SAVED: 530588eea45cSKlaus Jensen /* no features are saveable by the controller; fallthrough */ 530688eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_DEFAULT: 530788eea45cSKlaus Jensen goto defaults; 530888eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_CAP: 530988eea45cSKlaus Jensen result = nvme_feature_cap[fid]; 531088eea45cSKlaus Jensen goto out; 531188eea45cSKlaus Jensen } 531288eea45cSKlaus Jensen 531388eea45cSKlaus Jensen switch (fid) { 531488eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 531588eea45cSKlaus Jensen result = 0; 531688eea45cSKlaus Jensen 531788eea45cSKlaus Jensen /* 531888eea45cSKlaus Jensen * The controller only implements the Composite Temperature sensor, so 531988eea45cSKlaus Jensen * return 0 for all other sensors. 532088eea45cSKlaus Jensen */ 532188eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 532288eea45cSKlaus Jensen goto out; 532388eea45cSKlaus Jensen } 532488eea45cSKlaus Jensen 532588eea45cSKlaus Jensen switch (NVME_TEMP_THSEL(dw11)) { 532688eea45cSKlaus Jensen case NVME_TEMP_THSEL_OVER: 532788eea45cSKlaus Jensen result = n->features.temp_thresh_hi; 532888eea45cSKlaus Jensen goto out; 532988eea45cSKlaus Jensen case NVME_TEMP_THSEL_UNDER: 533088eea45cSKlaus Jensen result = n->features.temp_thresh_low; 533188eea45cSKlaus Jensen goto out; 533288eea45cSKlaus Jensen } 533388eea45cSKlaus Jensen 533488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 533588eea45cSKlaus Jensen case NVME_ERROR_RECOVERY: 533688eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 533788eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 533888eea45cSKlaus Jensen } 533988eea45cSKlaus Jensen 534088eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 534188eea45cSKlaus Jensen if (unlikely(!ns)) { 534288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 534388eea45cSKlaus Jensen } 534488eea45cSKlaus Jensen 534588eea45cSKlaus Jensen result = ns->features.err_rec; 534688eea45cSKlaus Jensen goto out; 534788eea45cSKlaus Jensen case NVME_VOLATILE_WRITE_CACHE: 534888eea45cSKlaus Jensen result = 0; 534988eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 535088eea45cSKlaus Jensen ns = nvme_ns(n, i); 535188eea45cSKlaus Jensen if (!ns) { 535288eea45cSKlaus Jensen continue; 535388eea45cSKlaus Jensen } 535488eea45cSKlaus Jensen 535588eea45cSKlaus Jensen result = blk_enable_write_cache(ns->blkconf.blk); 535688eea45cSKlaus Jensen if (result) { 535788eea45cSKlaus Jensen break; 535888eea45cSKlaus Jensen } 535988eea45cSKlaus Jensen } 536088eea45cSKlaus Jensen trace_pci_nvme_getfeat_vwcache(result ? "enabled" : "disabled"); 536188eea45cSKlaus Jensen goto out; 536288eea45cSKlaus Jensen case NVME_ASYNCHRONOUS_EVENT_CONF: 536388eea45cSKlaus Jensen result = n->features.async_config; 536488eea45cSKlaus Jensen goto out; 536588eea45cSKlaus Jensen case NVME_TIMESTAMP: 536688eea45cSKlaus Jensen return nvme_get_feature_timestamp(n, req); 5367d0c0697bSNaveen Nagar case NVME_HOST_BEHAVIOR_SUPPORT: 5368d0c0697bSNaveen Nagar return nvme_c2h(n, (uint8_t *)&n->features.hbs, 5369d0c0697bSNaveen Nagar sizeof(n->features.hbs), req); 537088eea45cSKlaus Jensen default: 537188eea45cSKlaus Jensen break; 537288eea45cSKlaus Jensen } 537388eea45cSKlaus Jensen 537488eea45cSKlaus Jensen defaults: 537588eea45cSKlaus Jensen switch (fid) { 537688eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 537788eea45cSKlaus Jensen result = 0; 537888eea45cSKlaus Jensen 537988eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 538088eea45cSKlaus Jensen break; 538188eea45cSKlaus Jensen } 538288eea45cSKlaus Jensen 538388eea45cSKlaus Jensen if (NVME_TEMP_THSEL(dw11) == NVME_TEMP_THSEL_OVER) { 538488eea45cSKlaus Jensen result = NVME_TEMPERATURE_WARNING; 538588eea45cSKlaus Jensen } 538688eea45cSKlaus Jensen 538788eea45cSKlaus Jensen break; 538888eea45cSKlaus Jensen case NVME_NUMBER_OF_QUEUES: 5389decc0261SŁukasz Gieryk result = (n->conf_ioqpairs - 1) | ((n->conf_ioqpairs - 1) << 16); 539088eea45cSKlaus Jensen trace_pci_nvme_getfeat_numq(result); 539188eea45cSKlaus Jensen break; 539288eea45cSKlaus Jensen case NVME_INTERRUPT_VECTOR_CONF: 539388eea45cSKlaus Jensen iv = dw11 & 0xffff; 5394decc0261SŁukasz Gieryk if (iv >= n->conf_ioqpairs + 1) { 539588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 539688eea45cSKlaus Jensen } 539788eea45cSKlaus Jensen 539888eea45cSKlaus Jensen result = iv; 539988eea45cSKlaus Jensen if (iv == n->admin_cq.vector) { 540088eea45cSKlaus Jensen result |= NVME_INTVC_NOCOALESCING; 540188eea45cSKlaus Jensen } 540288eea45cSKlaus Jensen break; 540388eea45cSKlaus Jensen default: 540488eea45cSKlaus Jensen result = nvme_feature_default[fid]; 540588eea45cSKlaus Jensen break; 540688eea45cSKlaus Jensen } 540788eea45cSKlaus Jensen 540888eea45cSKlaus Jensen out: 540988eea45cSKlaus Jensen req->cqe.result = cpu_to_le32(result); 541088eea45cSKlaus Jensen return NVME_SUCCESS; 541188eea45cSKlaus Jensen } 541288eea45cSKlaus Jensen 541388eea45cSKlaus Jensen static uint16_t nvme_set_feature_timestamp(NvmeCtrl *n, NvmeRequest *req) 541488eea45cSKlaus Jensen { 541588eea45cSKlaus Jensen uint16_t ret; 541688eea45cSKlaus Jensen uint64_t timestamp; 541788eea45cSKlaus Jensen 541888eea45cSKlaus Jensen ret = nvme_h2c(n, (uint8_t *)×tamp, sizeof(timestamp), req); 541988eea45cSKlaus Jensen if (ret) { 542088eea45cSKlaus Jensen return ret; 542188eea45cSKlaus Jensen } 542288eea45cSKlaus Jensen 542388eea45cSKlaus Jensen nvme_set_timestamp(n, timestamp); 542488eea45cSKlaus Jensen 542588eea45cSKlaus Jensen return NVME_SUCCESS; 542688eea45cSKlaus Jensen } 542788eea45cSKlaus Jensen 542888eea45cSKlaus Jensen static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeRequest *req) 542988eea45cSKlaus Jensen { 543088eea45cSKlaus Jensen NvmeNamespace *ns = NULL; 543188eea45cSKlaus Jensen 543288eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 543388eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 543488eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 543588eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(cmd->nsid); 543688eea45cSKlaus Jensen uint8_t fid = NVME_GETSETFEAT_FID(dw10); 543788eea45cSKlaus Jensen uint8_t save = NVME_SETFEAT_SAVE(dw10); 5438763c05dfSNaveen Nagar uint16_t status; 543988eea45cSKlaus Jensen int i; 544088eea45cSKlaus Jensen 544188eea45cSKlaus Jensen trace_pci_nvme_setfeat(nvme_cid(req), nsid, fid, save, dw11); 544288eea45cSKlaus Jensen 544388eea45cSKlaus Jensen if (save && !(nvme_feature_cap[fid] & NVME_FEAT_CAP_SAVE)) { 544488eea45cSKlaus Jensen return NVME_FID_NOT_SAVEABLE | NVME_DNR; 544588eea45cSKlaus Jensen } 544688eea45cSKlaus Jensen 544788eea45cSKlaus Jensen if (!nvme_feature_support[fid]) { 544888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 544988eea45cSKlaus Jensen } 545088eea45cSKlaus Jensen 545188eea45cSKlaus Jensen if (nvme_feature_cap[fid] & NVME_FEAT_CAP_NS) { 545288eea45cSKlaus Jensen if (nsid != NVME_NSID_BROADCAST) { 545388eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 545488eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 545588eea45cSKlaus Jensen } 545688eea45cSKlaus Jensen 545788eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 545888eea45cSKlaus Jensen if (unlikely(!ns)) { 545988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 546088eea45cSKlaus Jensen } 546188eea45cSKlaus Jensen } 546288eea45cSKlaus Jensen } else if (nsid && nsid != NVME_NSID_BROADCAST) { 546388eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 546488eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 546588eea45cSKlaus Jensen } 546688eea45cSKlaus Jensen 546788eea45cSKlaus Jensen return NVME_FEAT_NOT_NS_SPEC | NVME_DNR; 546888eea45cSKlaus Jensen } 546988eea45cSKlaus Jensen 547088eea45cSKlaus Jensen if (!(nvme_feature_cap[fid] & NVME_FEAT_CAP_CHANGE)) { 547188eea45cSKlaus Jensen return NVME_FEAT_NOT_CHANGEABLE | NVME_DNR; 547288eea45cSKlaus Jensen } 547388eea45cSKlaus Jensen 547488eea45cSKlaus Jensen switch (fid) { 547588eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 547688eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 547788eea45cSKlaus Jensen break; 547888eea45cSKlaus Jensen } 547988eea45cSKlaus Jensen 548088eea45cSKlaus Jensen switch (NVME_TEMP_THSEL(dw11)) { 548188eea45cSKlaus Jensen case NVME_TEMP_THSEL_OVER: 548288eea45cSKlaus Jensen n->features.temp_thresh_hi = NVME_TEMP_TMPTH(dw11); 548388eea45cSKlaus Jensen break; 548488eea45cSKlaus Jensen case NVME_TEMP_THSEL_UNDER: 548588eea45cSKlaus Jensen n->features.temp_thresh_low = NVME_TEMP_TMPTH(dw11); 548688eea45cSKlaus Jensen break; 548788eea45cSKlaus Jensen default: 548888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 548988eea45cSKlaus Jensen } 549088eea45cSKlaus Jensen 549188eea45cSKlaus Jensen if ((n->temperature >= n->features.temp_thresh_hi) || 549288eea45cSKlaus Jensen (n->temperature <= n->features.temp_thresh_low)) { 54939235a72aSKlaus Jensen nvme_smart_event(n, NVME_SMART_TEMPERATURE); 549488eea45cSKlaus Jensen } 549588eea45cSKlaus Jensen 549688eea45cSKlaus Jensen break; 549788eea45cSKlaus Jensen case NVME_ERROR_RECOVERY: 549888eea45cSKlaus Jensen if (nsid == NVME_NSID_BROADCAST) { 549988eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 550088eea45cSKlaus Jensen ns = nvme_ns(n, i); 550188eea45cSKlaus Jensen 550288eea45cSKlaus Jensen if (!ns) { 550388eea45cSKlaus Jensen continue; 550488eea45cSKlaus Jensen } 550588eea45cSKlaus Jensen 550688eea45cSKlaus Jensen if (NVME_ID_NS_NSFEAT_DULBE(ns->id_ns.nsfeat)) { 550788eea45cSKlaus Jensen ns->features.err_rec = dw11; 550888eea45cSKlaus Jensen } 550988eea45cSKlaus Jensen } 551088eea45cSKlaus Jensen 551188eea45cSKlaus Jensen break; 551288eea45cSKlaus Jensen } 551388eea45cSKlaus Jensen 551488eea45cSKlaus Jensen assert(ns); 551588eea45cSKlaus Jensen if (NVME_ID_NS_NSFEAT_DULBE(ns->id_ns.nsfeat)) { 551688eea45cSKlaus Jensen ns->features.err_rec = dw11; 551788eea45cSKlaus Jensen } 551888eea45cSKlaus Jensen break; 551988eea45cSKlaus Jensen case NVME_VOLATILE_WRITE_CACHE: 552088eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 552188eea45cSKlaus Jensen ns = nvme_ns(n, i); 552288eea45cSKlaus Jensen if (!ns) { 552388eea45cSKlaus Jensen continue; 552488eea45cSKlaus Jensen } 552588eea45cSKlaus Jensen 552688eea45cSKlaus Jensen if (!(dw11 & 0x1) && blk_enable_write_cache(ns->blkconf.blk)) { 552788eea45cSKlaus Jensen blk_flush(ns->blkconf.blk); 552888eea45cSKlaus Jensen } 552988eea45cSKlaus Jensen 553088eea45cSKlaus Jensen blk_set_enable_write_cache(ns->blkconf.blk, dw11 & 1); 553188eea45cSKlaus Jensen } 553288eea45cSKlaus Jensen 553388eea45cSKlaus Jensen break; 553488eea45cSKlaus Jensen 553588eea45cSKlaus Jensen case NVME_NUMBER_OF_QUEUES: 553688eea45cSKlaus Jensen if (n->qs_created) { 553788eea45cSKlaus Jensen return NVME_CMD_SEQ_ERROR | NVME_DNR; 553888eea45cSKlaus Jensen } 553988eea45cSKlaus Jensen 554088eea45cSKlaus Jensen /* 554188eea45cSKlaus Jensen * NVMe v1.3, Section 5.21.1.7: FFFFh is not an allowed value for NCQR 554288eea45cSKlaus Jensen * and NSQR. 554388eea45cSKlaus Jensen */ 554488eea45cSKlaus Jensen if ((dw11 & 0xffff) == 0xffff || ((dw11 >> 16) & 0xffff) == 0xffff) { 554588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 554688eea45cSKlaus Jensen } 554788eea45cSKlaus Jensen 554888eea45cSKlaus Jensen trace_pci_nvme_setfeat_numq((dw11 & 0xffff) + 1, 554988eea45cSKlaus Jensen ((dw11 >> 16) & 0xffff) + 1, 5550decc0261SŁukasz Gieryk n->conf_ioqpairs, 5551decc0261SŁukasz Gieryk n->conf_ioqpairs); 5552decc0261SŁukasz Gieryk req->cqe.result = cpu_to_le32((n->conf_ioqpairs - 1) | 5553decc0261SŁukasz Gieryk ((n->conf_ioqpairs - 1) << 16)); 555488eea45cSKlaus Jensen break; 555588eea45cSKlaus Jensen case NVME_ASYNCHRONOUS_EVENT_CONF: 555688eea45cSKlaus Jensen n->features.async_config = dw11; 555788eea45cSKlaus Jensen break; 555888eea45cSKlaus Jensen case NVME_TIMESTAMP: 555988eea45cSKlaus Jensen return nvme_set_feature_timestamp(n, req); 5560d0c0697bSNaveen Nagar case NVME_HOST_BEHAVIOR_SUPPORT: 5561763c05dfSNaveen Nagar status = nvme_h2c(n, (uint8_t *)&n->features.hbs, 5562d0c0697bSNaveen Nagar sizeof(n->features.hbs), req); 5563763c05dfSNaveen Nagar if (status) { 5564763c05dfSNaveen Nagar return status; 5565763c05dfSNaveen Nagar } 5566763c05dfSNaveen Nagar 5567763c05dfSNaveen Nagar for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 5568763c05dfSNaveen Nagar ns = nvme_ns(n, i); 5569763c05dfSNaveen Nagar 5570763c05dfSNaveen Nagar if (!ns) { 5571763c05dfSNaveen Nagar continue; 5572763c05dfSNaveen Nagar } 5573763c05dfSNaveen Nagar 5574763c05dfSNaveen Nagar ns->id_ns.nlbaf = ns->nlbaf - 1; 5575763c05dfSNaveen Nagar if (!n->features.hbs.lbafee) { 5576763c05dfSNaveen Nagar ns->id_ns.nlbaf = MIN(ns->id_ns.nlbaf, 15); 5577763c05dfSNaveen Nagar } 5578763c05dfSNaveen Nagar } 5579763c05dfSNaveen Nagar 5580763c05dfSNaveen Nagar return status; 558188eea45cSKlaus Jensen case NVME_COMMAND_SET_PROFILE: 558288eea45cSKlaus Jensen if (dw11 & 0x1ff) { 558388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_iocsci(dw11 & 0x1ff); 558488eea45cSKlaus Jensen return NVME_CMD_SET_CMB_REJECTED | NVME_DNR; 558588eea45cSKlaus Jensen } 558688eea45cSKlaus Jensen break; 558788eea45cSKlaus Jensen default: 558888eea45cSKlaus Jensen return NVME_FEAT_NOT_CHANGEABLE | NVME_DNR; 558988eea45cSKlaus Jensen } 559088eea45cSKlaus Jensen return NVME_SUCCESS; 559188eea45cSKlaus Jensen } 559288eea45cSKlaus Jensen 559388eea45cSKlaus Jensen static uint16_t nvme_aer(NvmeCtrl *n, NvmeRequest *req) 559488eea45cSKlaus Jensen { 559588eea45cSKlaus Jensen trace_pci_nvme_aer(nvme_cid(req)); 559688eea45cSKlaus Jensen 559788eea45cSKlaus Jensen if (n->outstanding_aers > n->params.aerl) { 559888eea45cSKlaus Jensen trace_pci_nvme_aer_aerl_exceeded(); 559988eea45cSKlaus Jensen return NVME_AER_LIMIT_EXCEEDED; 560088eea45cSKlaus Jensen } 560188eea45cSKlaus Jensen 560288eea45cSKlaus Jensen n->aer_reqs[n->outstanding_aers] = req; 560388eea45cSKlaus Jensen n->outstanding_aers++; 560488eea45cSKlaus Jensen 560588eea45cSKlaus Jensen if (!QTAILQ_EMPTY(&n->aer_queue)) { 560688eea45cSKlaus Jensen nvme_process_aers(n); 560788eea45cSKlaus Jensen } 560888eea45cSKlaus Jensen 560988eea45cSKlaus Jensen return NVME_NO_COMPLETE; 561088eea45cSKlaus Jensen } 561188eea45cSKlaus Jensen 561288eea45cSKlaus Jensen static void nvme_update_dmrsl(NvmeCtrl *n) 561388eea45cSKlaus Jensen { 561488eea45cSKlaus Jensen int nsid; 561588eea45cSKlaus Jensen 561688eea45cSKlaus Jensen for (nsid = 1; nsid <= NVME_MAX_NAMESPACES; nsid++) { 561788eea45cSKlaus Jensen NvmeNamespace *ns = nvme_ns(n, nsid); 561888eea45cSKlaus Jensen if (!ns) { 561988eea45cSKlaus Jensen continue; 562088eea45cSKlaus Jensen } 562188eea45cSKlaus Jensen 562288eea45cSKlaus Jensen n->dmrsl = MIN_NON_ZERO(n->dmrsl, 562388eea45cSKlaus Jensen BDRV_REQUEST_MAX_BYTES / nvme_l2b(ns, 1)); 562488eea45cSKlaus Jensen } 562588eea45cSKlaus Jensen } 562688eea45cSKlaus Jensen 562788eea45cSKlaus Jensen static void nvme_select_iocs_ns(NvmeCtrl *n, NvmeNamespace *ns) 562888eea45cSKlaus Jensen { 562949e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 563049e03457SKlaus Jensen 563188eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_none; 563288eea45cSKlaus Jensen switch (ns->csi) { 563388eea45cSKlaus Jensen case NVME_CSI_NVM: 563449e03457SKlaus Jensen if (NVME_CC_CSS(cc) != NVME_CC_CSS_ADMIN_ONLY) { 563588eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_nvm; 563688eea45cSKlaus Jensen } 563788eea45cSKlaus Jensen break; 563888eea45cSKlaus Jensen case NVME_CSI_ZONED: 563949e03457SKlaus Jensen if (NVME_CC_CSS(cc) == NVME_CC_CSS_CSI) { 564088eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_zoned; 564149e03457SKlaus Jensen } else if (NVME_CC_CSS(cc) == NVME_CC_CSS_NVM) { 564288eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_nvm; 564388eea45cSKlaus Jensen } 564488eea45cSKlaus Jensen break; 564588eea45cSKlaus Jensen } 564688eea45cSKlaus Jensen } 564788eea45cSKlaus Jensen 564888eea45cSKlaus Jensen static uint16_t nvme_ns_attachment(NvmeCtrl *n, NvmeRequest *req) 564988eea45cSKlaus Jensen { 565088eea45cSKlaus Jensen NvmeNamespace *ns; 565188eea45cSKlaus Jensen NvmeCtrl *ctrl; 565288eea45cSKlaus Jensen uint16_t list[NVME_CONTROLLER_LIST_SIZE] = {}; 565388eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 565488eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 565507a3dfa7SNaveen Nagar uint8_t sel = dw10 & 0xf; 565688eea45cSKlaus Jensen uint16_t *nr_ids = &list[0]; 565788eea45cSKlaus Jensen uint16_t *ids = &list[1]; 565888eea45cSKlaus Jensen uint16_t ret; 565988eea45cSKlaus Jensen int i; 566088eea45cSKlaus Jensen 566188eea45cSKlaus Jensen trace_pci_nvme_ns_attachment(nvme_cid(req), dw10 & 0xf); 566288eea45cSKlaus Jensen 566388eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 566488eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 566588eea45cSKlaus Jensen } 566688eea45cSKlaus Jensen 566788eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 566888eea45cSKlaus Jensen if (!ns) { 566988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 567088eea45cSKlaus Jensen } 567188eea45cSKlaus Jensen 567288eea45cSKlaus Jensen ret = nvme_h2c(n, (uint8_t *)list, 4096, req); 567388eea45cSKlaus Jensen if (ret) { 567488eea45cSKlaus Jensen return ret; 567588eea45cSKlaus Jensen } 567688eea45cSKlaus Jensen 567788eea45cSKlaus Jensen if (!*nr_ids) { 567888eea45cSKlaus Jensen return NVME_NS_CTRL_LIST_INVALID | NVME_DNR; 567988eea45cSKlaus Jensen } 568088eea45cSKlaus Jensen 568188eea45cSKlaus Jensen *nr_ids = MIN(*nr_ids, NVME_CONTROLLER_LIST_SIZE - 1); 568288eea45cSKlaus Jensen for (i = 0; i < *nr_ids; i++) { 568388eea45cSKlaus Jensen ctrl = nvme_subsys_ctrl(n->subsys, ids[i]); 568488eea45cSKlaus Jensen if (!ctrl) { 568588eea45cSKlaus Jensen return NVME_NS_CTRL_LIST_INVALID | NVME_DNR; 568688eea45cSKlaus Jensen } 568788eea45cSKlaus Jensen 568807a3dfa7SNaveen Nagar switch (sel) { 568907a3dfa7SNaveen Nagar case NVME_NS_ATTACHMENT_ATTACH: 569088eea45cSKlaus Jensen if (nvme_ns(ctrl, nsid)) { 569188eea45cSKlaus Jensen return NVME_NS_ALREADY_ATTACHED | NVME_DNR; 569288eea45cSKlaus Jensen } 569388eea45cSKlaus Jensen 569488eea45cSKlaus Jensen if (ns->attached && !ns->params.shared) { 569588eea45cSKlaus Jensen return NVME_NS_PRIVATE | NVME_DNR; 569688eea45cSKlaus Jensen } 569788eea45cSKlaus Jensen 569888eea45cSKlaus Jensen nvme_attach_ns(ctrl, ns); 569988eea45cSKlaus Jensen nvme_select_iocs_ns(ctrl, ns); 570007a3dfa7SNaveen Nagar 570107a3dfa7SNaveen Nagar break; 570207a3dfa7SNaveen Nagar 570307a3dfa7SNaveen Nagar case NVME_NS_ATTACHMENT_DETACH: 570488eea45cSKlaus Jensen if (!nvme_ns(ctrl, nsid)) { 570588eea45cSKlaus Jensen return NVME_NS_NOT_ATTACHED | NVME_DNR; 570688eea45cSKlaus Jensen } 570788eea45cSKlaus Jensen 570888eea45cSKlaus Jensen ctrl->namespaces[nsid] = NULL; 570988eea45cSKlaus Jensen ns->attached--; 571088eea45cSKlaus Jensen 571188eea45cSKlaus Jensen nvme_update_dmrsl(ctrl); 571207a3dfa7SNaveen Nagar 571307a3dfa7SNaveen Nagar break; 571407a3dfa7SNaveen Nagar 571507a3dfa7SNaveen Nagar default: 571607a3dfa7SNaveen Nagar return NVME_INVALID_FIELD | NVME_DNR; 571788eea45cSKlaus Jensen } 571888eea45cSKlaus Jensen 571988eea45cSKlaus Jensen /* 572088eea45cSKlaus Jensen * Add namespace id to the changed namespace id list for event clearing 572188eea45cSKlaus Jensen * via Get Log Page command. 572288eea45cSKlaus Jensen */ 572388eea45cSKlaus Jensen if (!test_and_set_bit(nsid, ctrl->changed_nsids)) { 572488eea45cSKlaus Jensen nvme_enqueue_event(ctrl, NVME_AER_TYPE_NOTICE, 572588eea45cSKlaus Jensen NVME_AER_INFO_NOTICE_NS_ATTR_CHANGED, 572688eea45cSKlaus Jensen NVME_LOG_CHANGED_NSLIST); 572788eea45cSKlaus Jensen } 572888eea45cSKlaus Jensen } 572988eea45cSKlaus Jensen 573088eea45cSKlaus Jensen return NVME_SUCCESS; 573188eea45cSKlaus Jensen } 573288eea45cSKlaus Jensen 57333bcf26d3SKlaus Jensen typedef struct NvmeFormatAIOCB { 57343bcf26d3SKlaus Jensen BlockAIOCB common; 57353bcf26d3SKlaus Jensen BlockAIOCB *aiocb; 57363bcf26d3SKlaus Jensen NvmeRequest *req; 57373bcf26d3SKlaus Jensen int ret; 573888eea45cSKlaus Jensen 57393bcf26d3SKlaus Jensen NvmeNamespace *ns; 57403bcf26d3SKlaus Jensen uint32_t nsid; 57413bcf26d3SKlaus Jensen bool broadcast; 57423bcf26d3SKlaus Jensen int64_t offset; 5743a6de6ed5SKlaus Jensen 5744a6de6ed5SKlaus Jensen uint8_t lbaf; 5745a6de6ed5SKlaus Jensen uint8_t mset; 5746a6de6ed5SKlaus Jensen uint8_t pi; 5747a6de6ed5SKlaus Jensen uint8_t pil; 57483bcf26d3SKlaus Jensen } NvmeFormatAIOCB; 57493bcf26d3SKlaus Jensen 57503bcf26d3SKlaus Jensen static void nvme_format_cancel(BlockAIOCB *aiocb) 57513bcf26d3SKlaus Jensen { 57523bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = container_of(aiocb, NvmeFormatAIOCB, common); 57533bcf26d3SKlaus Jensen 5754433c71e4SKlaus Jensen iocb->ret = -ECANCELED; 5755433c71e4SKlaus Jensen 57563bcf26d3SKlaus Jensen if (iocb->aiocb) { 57573bcf26d3SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 5758433c71e4SKlaus Jensen iocb->aiocb = NULL; 57593bcf26d3SKlaus Jensen } 57603bcf26d3SKlaus Jensen } 57613bcf26d3SKlaus Jensen 57623bcf26d3SKlaus Jensen static const AIOCBInfo nvme_format_aiocb_info = { 57633bcf26d3SKlaus Jensen .aiocb_size = sizeof(NvmeFormatAIOCB), 57643bcf26d3SKlaus Jensen .cancel_async = nvme_format_cancel, 57653bcf26d3SKlaus Jensen .get_aio_context = nvme_get_aio_context, 57663bcf26d3SKlaus Jensen }; 57673bcf26d3SKlaus Jensen 5768a6de6ed5SKlaus Jensen static void nvme_format_set(NvmeNamespace *ns, uint8_t lbaf, uint8_t mset, 5769a6de6ed5SKlaus Jensen uint8_t pi, uint8_t pil) 57703bcf26d3SKlaus Jensen { 5771763c05dfSNaveen Nagar uint8_t lbafl = lbaf & 0xf; 5772763c05dfSNaveen Nagar uint8_t lbafu = lbaf >> 4; 5773763c05dfSNaveen Nagar 57743bcf26d3SKlaus Jensen trace_pci_nvme_format_set(ns->params.nsid, lbaf, mset, pi, pil); 57753bcf26d3SKlaus Jensen 57763bcf26d3SKlaus Jensen ns->id_ns.dps = (pil << 3) | pi; 5777763c05dfSNaveen Nagar ns->id_ns.flbas = (lbafu << 5) | (mset << 4) | lbafl; 57783bcf26d3SKlaus Jensen 57793bcf26d3SKlaus Jensen nvme_ns_init_format(ns); 57803bcf26d3SKlaus Jensen } 57813bcf26d3SKlaus Jensen 5782433c71e4SKlaus Jensen static void nvme_do_format(NvmeFormatAIOCB *iocb); 5783433c71e4SKlaus Jensen 57843bcf26d3SKlaus Jensen static void nvme_format_ns_cb(void *opaque, int ret) 57853bcf26d3SKlaus Jensen { 57863bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = opaque; 57873bcf26d3SKlaus Jensen NvmeNamespace *ns = iocb->ns; 57883bcf26d3SKlaus Jensen int bytes; 57893bcf26d3SKlaus Jensen 5790433c71e4SKlaus Jensen if (iocb->ret < 0) { 5791433c71e4SKlaus Jensen goto done; 5792433c71e4SKlaus Jensen } else if (ret < 0) { 57933bcf26d3SKlaus Jensen iocb->ret = ret; 57943bcf26d3SKlaus Jensen goto done; 57953bcf26d3SKlaus Jensen } 57963bcf26d3SKlaus Jensen 57973bcf26d3SKlaus Jensen assert(ns); 57983bcf26d3SKlaus Jensen 57993bcf26d3SKlaus Jensen if (iocb->offset < ns->size) { 58003bcf26d3SKlaus Jensen bytes = MIN(BDRV_REQUEST_MAX_BYTES, ns->size - iocb->offset); 58013bcf26d3SKlaus Jensen 58023bcf26d3SKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, iocb->offset, 58033bcf26d3SKlaus Jensen bytes, BDRV_REQ_MAY_UNMAP, 58043bcf26d3SKlaus Jensen nvme_format_ns_cb, iocb); 58053bcf26d3SKlaus Jensen 58063bcf26d3SKlaus Jensen iocb->offset += bytes; 58073bcf26d3SKlaus Jensen return; 58083bcf26d3SKlaus Jensen } 58093bcf26d3SKlaus Jensen 5810a6de6ed5SKlaus Jensen nvme_format_set(ns, iocb->lbaf, iocb->mset, iocb->pi, iocb->pil); 58113bcf26d3SKlaus Jensen ns->status = 0x0; 58123bcf26d3SKlaus Jensen iocb->ns = NULL; 58133bcf26d3SKlaus Jensen iocb->offset = 0; 58143bcf26d3SKlaus Jensen 58153bcf26d3SKlaus Jensen done: 5816433c71e4SKlaus Jensen nvme_do_format(iocb); 58173bcf26d3SKlaus Jensen } 58183bcf26d3SKlaus Jensen 58193bcf26d3SKlaus Jensen static uint16_t nvme_format_check(NvmeNamespace *ns, uint8_t lbaf, uint8_t pi) 58203bcf26d3SKlaus Jensen { 582188eea45cSKlaus Jensen if (ns->params.zoned) { 582288eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 582388eea45cSKlaus Jensen } 582488eea45cSKlaus Jensen 582588eea45cSKlaus Jensen if (lbaf > ns->id_ns.nlbaf) { 582688eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 582788eea45cSKlaus Jensen } 582888eea45cSKlaus Jensen 5829ac0b34c5SKlaus Jensen if (pi && (ns->id_ns.lbaf[lbaf].ms < nvme_pi_tuple_size(ns))) { 583088eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 583188eea45cSKlaus Jensen } 583288eea45cSKlaus Jensen 583388eea45cSKlaus Jensen if (pi && pi > NVME_ID_NS_DPS_TYPE_3) { 583488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 583588eea45cSKlaus Jensen } 583688eea45cSKlaus Jensen 583788eea45cSKlaus Jensen return NVME_SUCCESS; 583888eea45cSKlaus Jensen } 583988eea45cSKlaus Jensen 5840433c71e4SKlaus Jensen static void nvme_do_format(NvmeFormatAIOCB *iocb) 584188eea45cSKlaus Jensen { 58423bcf26d3SKlaus Jensen NvmeRequest *req = iocb->req; 58433bcf26d3SKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 584444219b60SNaveen Nagar uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 584544219b60SNaveen Nagar uint8_t lbaf = dw10 & 0xf; 584644219b60SNaveen Nagar uint8_t pi = (dw10 >> 5) & 0x7; 584788eea45cSKlaus Jensen uint16_t status; 584888eea45cSKlaus Jensen int i; 584988eea45cSKlaus Jensen 58503bcf26d3SKlaus Jensen if (iocb->ret < 0) { 58513bcf26d3SKlaus Jensen goto done; 585288eea45cSKlaus Jensen } 585388eea45cSKlaus Jensen 58543bcf26d3SKlaus Jensen if (iocb->broadcast) { 58553bcf26d3SKlaus Jensen for (i = iocb->nsid + 1; i <= NVME_MAX_NAMESPACES; i++) { 58563bcf26d3SKlaus Jensen iocb->ns = nvme_ns(n, i); 58573bcf26d3SKlaus Jensen if (iocb->ns) { 58583bcf26d3SKlaus Jensen iocb->nsid = i; 585988eea45cSKlaus Jensen break; 586088eea45cSKlaus Jensen } 586188eea45cSKlaus Jensen } 586288eea45cSKlaus Jensen } 586388eea45cSKlaus Jensen 58643bcf26d3SKlaus Jensen if (!iocb->ns) { 58653bcf26d3SKlaus Jensen goto done; 586688eea45cSKlaus Jensen } 586788eea45cSKlaus Jensen 586844219b60SNaveen Nagar status = nvme_format_check(iocb->ns, lbaf, pi); 58693bcf26d3SKlaus Jensen if (status) { 58703bcf26d3SKlaus Jensen req->status = status; 58713bcf26d3SKlaus Jensen goto done; 58723bcf26d3SKlaus Jensen } 58733bcf26d3SKlaus Jensen 58743bcf26d3SKlaus Jensen iocb->ns->status = NVME_FORMAT_IN_PROGRESS; 58753bcf26d3SKlaus Jensen nvme_format_ns_cb(iocb, 0); 58763bcf26d3SKlaus Jensen return; 58773bcf26d3SKlaus Jensen 58783bcf26d3SKlaus Jensen done: 58793bcf26d3SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 58803bcf26d3SKlaus Jensen qemu_aio_unref(iocb); 58813bcf26d3SKlaus Jensen } 58823bcf26d3SKlaus Jensen 58833bcf26d3SKlaus Jensen static uint16_t nvme_format(NvmeCtrl *n, NvmeRequest *req) 58843bcf26d3SKlaus Jensen { 58853bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb; 58863bcf26d3SKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 5887a6de6ed5SKlaus Jensen uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 5888a6de6ed5SKlaus Jensen uint8_t lbaf = dw10 & 0xf; 5889a6de6ed5SKlaus Jensen uint8_t mset = (dw10 >> 4) & 0x1; 5890a6de6ed5SKlaus Jensen uint8_t pi = (dw10 >> 5) & 0x7; 5891a6de6ed5SKlaus Jensen uint8_t pil = (dw10 >> 8) & 0x1; 5892763c05dfSNaveen Nagar uint8_t lbafu = (dw10 >> 12) & 0x3; 58933bcf26d3SKlaus Jensen uint16_t status; 58943bcf26d3SKlaus Jensen 58953bcf26d3SKlaus Jensen iocb = qemu_aio_get(&nvme_format_aiocb_info, NULL, nvme_misc_cb, req); 58963bcf26d3SKlaus Jensen 58973bcf26d3SKlaus Jensen iocb->req = req; 58983bcf26d3SKlaus Jensen iocb->ret = 0; 58993bcf26d3SKlaus Jensen iocb->ns = NULL; 59003bcf26d3SKlaus Jensen iocb->nsid = 0; 5901a6de6ed5SKlaus Jensen iocb->lbaf = lbaf; 5902a6de6ed5SKlaus Jensen iocb->mset = mset; 5903a6de6ed5SKlaus Jensen iocb->pi = pi; 5904a6de6ed5SKlaus Jensen iocb->pil = pil; 59053bcf26d3SKlaus Jensen iocb->broadcast = (nsid == NVME_NSID_BROADCAST); 59063bcf26d3SKlaus Jensen iocb->offset = 0; 59073bcf26d3SKlaus Jensen 5908763c05dfSNaveen Nagar if (n->features.hbs.lbafee) { 5909763c05dfSNaveen Nagar iocb->lbaf |= lbafu << 4; 5910763c05dfSNaveen Nagar } 5911763c05dfSNaveen Nagar 59123bcf26d3SKlaus Jensen if (!iocb->broadcast) { 59133bcf26d3SKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 59143bcf26d3SKlaus Jensen status = NVME_INVALID_NSID | NVME_DNR; 59153bcf26d3SKlaus Jensen goto out; 59163bcf26d3SKlaus Jensen } 59173bcf26d3SKlaus Jensen 59183bcf26d3SKlaus Jensen iocb->ns = nvme_ns(n, nsid); 59193bcf26d3SKlaus Jensen if (!iocb->ns) { 59203bcf26d3SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 59213bcf26d3SKlaus Jensen goto out; 59223bcf26d3SKlaus Jensen } 59233bcf26d3SKlaus Jensen } 59243bcf26d3SKlaus Jensen 59253bcf26d3SKlaus Jensen req->aiocb = &iocb->common; 5926433c71e4SKlaus Jensen nvme_do_format(iocb); 59273bcf26d3SKlaus Jensen 59283bcf26d3SKlaus Jensen return NVME_NO_COMPLETE; 59293bcf26d3SKlaus Jensen 59303bcf26d3SKlaus Jensen out: 59313bcf26d3SKlaus Jensen qemu_aio_unref(iocb); 5932433c71e4SKlaus Jensen 59333bcf26d3SKlaus Jensen return status; 593488eea45cSKlaus Jensen } 593588eea45cSKlaus Jensen 593611871f53SŁukasz Gieryk static void nvme_get_virt_res_num(NvmeCtrl *n, uint8_t rt, int *num_total, 593711871f53SŁukasz Gieryk int *num_prim, int *num_sec) 593811871f53SŁukasz Gieryk { 593911871f53SŁukasz Gieryk *num_total = le32_to_cpu(rt ? 594011871f53SŁukasz Gieryk n->pri_ctrl_cap.vifrt : n->pri_ctrl_cap.vqfrt); 594111871f53SŁukasz Gieryk *num_prim = le16_to_cpu(rt ? 594211871f53SŁukasz Gieryk n->pri_ctrl_cap.virfap : n->pri_ctrl_cap.vqrfap); 594311871f53SŁukasz Gieryk *num_sec = le16_to_cpu(rt ? n->pri_ctrl_cap.virfa : n->pri_ctrl_cap.vqrfa); 594411871f53SŁukasz Gieryk } 594511871f53SŁukasz Gieryk 594611871f53SŁukasz Gieryk static uint16_t nvme_assign_virt_res_to_prim(NvmeCtrl *n, NvmeRequest *req, 594711871f53SŁukasz Gieryk uint16_t cntlid, uint8_t rt, 594811871f53SŁukasz Gieryk int nr) 594911871f53SŁukasz Gieryk { 595011871f53SŁukasz Gieryk int num_total, num_prim, num_sec; 595111871f53SŁukasz Gieryk 595211871f53SŁukasz Gieryk if (cntlid != n->cntlid) { 595311871f53SŁukasz Gieryk return NVME_INVALID_CTRL_ID | NVME_DNR; 595411871f53SŁukasz Gieryk } 595511871f53SŁukasz Gieryk 595611871f53SŁukasz Gieryk nvme_get_virt_res_num(n, rt, &num_total, &num_prim, &num_sec); 595711871f53SŁukasz Gieryk 595811871f53SŁukasz Gieryk if (nr > num_total) { 595911871f53SŁukasz Gieryk return NVME_INVALID_NUM_RESOURCES | NVME_DNR; 596011871f53SŁukasz Gieryk } 596111871f53SŁukasz Gieryk 596211871f53SŁukasz Gieryk if (nr > num_total - num_sec) { 596311871f53SŁukasz Gieryk return NVME_INVALID_RESOURCE_ID | NVME_DNR; 596411871f53SŁukasz Gieryk } 596511871f53SŁukasz Gieryk 596611871f53SŁukasz Gieryk if (rt) { 596711871f53SŁukasz Gieryk n->next_pri_ctrl_cap.virfap = cpu_to_le16(nr); 596811871f53SŁukasz Gieryk } else { 596911871f53SŁukasz Gieryk n->next_pri_ctrl_cap.vqrfap = cpu_to_le16(nr); 597011871f53SŁukasz Gieryk } 597111871f53SŁukasz Gieryk 597211871f53SŁukasz Gieryk req->cqe.result = cpu_to_le32(nr); 597311871f53SŁukasz Gieryk return req->status; 597411871f53SŁukasz Gieryk } 597511871f53SŁukasz Gieryk 597611871f53SŁukasz Gieryk static void nvme_update_virt_res(NvmeCtrl *n, NvmeSecCtrlEntry *sctrl, 597711871f53SŁukasz Gieryk uint8_t rt, int nr) 597811871f53SŁukasz Gieryk { 597911871f53SŁukasz Gieryk int prev_nr, prev_total; 598011871f53SŁukasz Gieryk 598111871f53SŁukasz Gieryk if (rt) { 598211871f53SŁukasz Gieryk prev_nr = le16_to_cpu(sctrl->nvi); 598311871f53SŁukasz Gieryk prev_total = le32_to_cpu(n->pri_ctrl_cap.virfa); 598411871f53SŁukasz Gieryk sctrl->nvi = cpu_to_le16(nr); 598511871f53SŁukasz Gieryk n->pri_ctrl_cap.virfa = cpu_to_le32(prev_total + nr - prev_nr); 598611871f53SŁukasz Gieryk } else { 598711871f53SŁukasz Gieryk prev_nr = le16_to_cpu(sctrl->nvq); 598811871f53SŁukasz Gieryk prev_total = le32_to_cpu(n->pri_ctrl_cap.vqrfa); 598911871f53SŁukasz Gieryk sctrl->nvq = cpu_to_le16(nr); 599011871f53SŁukasz Gieryk n->pri_ctrl_cap.vqrfa = cpu_to_le32(prev_total + nr - prev_nr); 599111871f53SŁukasz Gieryk } 599211871f53SŁukasz Gieryk } 599311871f53SŁukasz Gieryk 599411871f53SŁukasz Gieryk static uint16_t nvme_assign_virt_res_to_sec(NvmeCtrl *n, NvmeRequest *req, 599511871f53SŁukasz Gieryk uint16_t cntlid, uint8_t rt, int nr) 599611871f53SŁukasz Gieryk { 599711871f53SŁukasz Gieryk int num_total, num_prim, num_sec, num_free, diff, limit; 599811871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl; 599911871f53SŁukasz Gieryk 600011871f53SŁukasz Gieryk sctrl = nvme_sctrl_for_cntlid(n, cntlid); 600111871f53SŁukasz Gieryk if (!sctrl) { 600211871f53SŁukasz Gieryk return NVME_INVALID_CTRL_ID | NVME_DNR; 600311871f53SŁukasz Gieryk } 600411871f53SŁukasz Gieryk 600511871f53SŁukasz Gieryk if (sctrl->scs) { 600611871f53SŁukasz Gieryk return NVME_INVALID_SEC_CTRL_STATE | NVME_DNR; 600711871f53SŁukasz Gieryk } 600811871f53SŁukasz Gieryk 600911871f53SŁukasz Gieryk limit = le16_to_cpu(rt ? n->pri_ctrl_cap.vifrsm : n->pri_ctrl_cap.vqfrsm); 601011871f53SŁukasz Gieryk if (nr > limit) { 601111871f53SŁukasz Gieryk return NVME_INVALID_NUM_RESOURCES | NVME_DNR; 601211871f53SŁukasz Gieryk } 601311871f53SŁukasz Gieryk 601411871f53SŁukasz Gieryk nvme_get_virt_res_num(n, rt, &num_total, &num_prim, &num_sec); 601511871f53SŁukasz Gieryk num_free = num_total - num_prim - num_sec; 601611871f53SŁukasz Gieryk diff = nr - le16_to_cpu(rt ? sctrl->nvi : sctrl->nvq); 601711871f53SŁukasz Gieryk 601811871f53SŁukasz Gieryk if (diff > num_free) { 601911871f53SŁukasz Gieryk return NVME_INVALID_RESOURCE_ID | NVME_DNR; 602011871f53SŁukasz Gieryk } 602111871f53SŁukasz Gieryk 602211871f53SŁukasz Gieryk nvme_update_virt_res(n, sctrl, rt, nr); 602311871f53SŁukasz Gieryk req->cqe.result = cpu_to_le32(nr); 602411871f53SŁukasz Gieryk 602511871f53SŁukasz Gieryk return req->status; 602611871f53SŁukasz Gieryk } 602711871f53SŁukasz Gieryk 602811871f53SŁukasz Gieryk static uint16_t nvme_virt_set_state(NvmeCtrl *n, uint16_t cntlid, bool online) 602911871f53SŁukasz Gieryk { 603048b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 603111871f53SŁukasz Gieryk NvmeCtrl *sn = NULL; 603211871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl; 603311871f53SŁukasz Gieryk int vf_index; 603411871f53SŁukasz Gieryk 603511871f53SŁukasz Gieryk sctrl = nvme_sctrl_for_cntlid(n, cntlid); 603611871f53SŁukasz Gieryk if (!sctrl) { 603711871f53SŁukasz Gieryk return NVME_INVALID_CTRL_ID | NVME_DNR; 603811871f53SŁukasz Gieryk } 603911871f53SŁukasz Gieryk 604048b32c28SKlaus Jensen if (!pci_is_vf(pci)) { 604111871f53SŁukasz Gieryk vf_index = le16_to_cpu(sctrl->vfn) - 1; 604248b32c28SKlaus Jensen sn = NVME(pcie_sriov_get_vf_at_index(pci, vf_index)); 604311871f53SŁukasz Gieryk } 604411871f53SŁukasz Gieryk 604511871f53SŁukasz Gieryk if (online) { 604611871f53SŁukasz Gieryk if (!sctrl->nvi || (le16_to_cpu(sctrl->nvq) < 2) || !sn) { 604711871f53SŁukasz Gieryk return NVME_INVALID_SEC_CTRL_STATE | NVME_DNR; 604811871f53SŁukasz Gieryk } 604911871f53SŁukasz Gieryk 605011871f53SŁukasz Gieryk if (!sctrl->scs) { 605111871f53SŁukasz Gieryk sctrl->scs = 0x1; 605211871f53SŁukasz Gieryk nvme_ctrl_reset(sn, NVME_RESET_FUNCTION); 605311871f53SŁukasz Gieryk } 605411871f53SŁukasz Gieryk } else { 605511871f53SŁukasz Gieryk nvme_update_virt_res(n, sctrl, NVME_VIRT_RES_INTERRUPT, 0); 605611871f53SŁukasz Gieryk nvme_update_virt_res(n, sctrl, NVME_VIRT_RES_QUEUE, 0); 605711871f53SŁukasz Gieryk 605811871f53SŁukasz Gieryk if (sctrl->scs) { 605911871f53SŁukasz Gieryk sctrl->scs = 0x0; 606011871f53SŁukasz Gieryk if (sn) { 606111871f53SŁukasz Gieryk nvme_ctrl_reset(sn, NVME_RESET_FUNCTION); 606211871f53SŁukasz Gieryk } 606311871f53SŁukasz Gieryk } 606411871f53SŁukasz Gieryk } 606511871f53SŁukasz Gieryk 606611871f53SŁukasz Gieryk return NVME_SUCCESS; 606711871f53SŁukasz Gieryk } 606811871f53SŁukasz Gieryk 606911871f53SŁukasz Gieryk static uint16_t nvme_virt_mngmt(NvmeCtrl *n, NvmeRequest *req) 607011871f53SŁukasz Gieryk { 607111871f53SŁukasz Gieryk uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 607211871f53SŁukasz Gieryk uint32_t dw11 = le32_to_cpu(req->cmd.cdw11); 607311871f53SŁukasz Gieryk uint8_t act = dw10 & 0xf; 607411871f53SŁukasz Gieryk uint8_t rt = (dw10 >> 8) & 0x7; 607511871f53SŁukasz Gieryk uint16_t cntlid = (dw10 >> 16) & 0xffff; 607611871f53SŁukasz Gieryk int nr = dw11 & 0xffff; 607711871f53SŁukasz Gieryk 607811871f53SŁukasz Gieryk trace_pci_nvme_virt_mngmt(nvme_cid(req), act, cntlid, rt ? "VI" : "VQ", nr); 607911871f53SŁukasz Gieryk 608011871f53SŁukasz Gieryk if (rt != NVME_VIRT_RES_QUEUE && rt != NVME_VIRT_RES_INTERRUPT) { 608111871f53SŁukasz Gieryk return NVME_INVALID_RESOURCE_ID | NVME_DNR; 608211871f53SŁukasz Gieryk } 608311871f53SŁukasz Gieryk 608411871f53SŁukasz Gieryk switch (act) { 608511871f53SŁukasz Gieryk case NVME_VIRT_MNGMT_ACTION_SEC_ASSIGN: 608611871f53SŁukasz Gieryk return nvme_assign_virt_res_to_sec(n, req, cntlid, rt, nr); 608711871f53SŁukasz Gieryk case NVME_VIRT_MNGMT_ACTION_PRM_ALLOC: 608811871f53SŁukasz Gieryk return nvme_assign_virt_res_to_prim(n, req, cntlid, rt, nr); 608911871f53SŁukasz Gieryk case NVME_VIRT_MNGMT_ACTION_SEC_ONLINE: 609011871f53SŁukasz Gieryk return nvme_virt_set_state(n, cntlid, true); 609111871f53SŁukasz Gieryk case NVME_VIRT_MNGMT_ACTION_SEC_OFFLINE: 609211871f53SŁukasz Gieryk return nvme_virt_set_state(n, cntlid, false); 609311871f53SŁukasz Gieryk default: 609411871f53SŁukasz Gieryk return NVME_INVALID_FIELD | NVME_DNR; 609511871f53SŁukasz Gieryk } 609611871f53SŁukasz Gieryk } 609711871f53SŁukasz Gieryk 60983f7fe8deSJinhao Fan static uint16_t nvme_dbbuf_config(NvmeCtrl *n, const NvmeRequest *req) 60993f7fe8deSJinhao Fan { 610048b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 61013f7fe8deSJinhao Fan uint64_t dbs_addr = le64_to_cpu(req->cmd.dptr.prp1); 61023f7fe8deSJinhao Fan uint64_t eis_addr = le64_to_cpu(req->cmd.dptr.prp2); 61033f7fe8deSJinhao Fan int i; 61043f7fe8deSJinhao Fan 61053f7fe8deSJinhao Fan /* Address should be page aligned */ 61063f7fe8deSJinhao Fan if (dbs_addr & (n->page_size - 1) || eis_addr & (n->page_size - 1)) { 61073f7fe8deSJinhao Fan return NVME_INVALID_FIELD | NVME_DNR; 61083f7fe8deSJinhao Fan } 61093f7fe8deSJinhao Fan 61103f7fe8deSJinhao Fan /* Save shadow buffer base addr for use during queue creation */ 61113f7fe8deSJinhao Fan n->dbbuf_dbs = dbs_addr; 61123f7fe8deSJinhao Fan n->dbbuf_eis = eis_addr; 61133f7fe8deSJinhao Fan n->dbbuf_enabled = true; 61143f7fe8deSJinhao Fan 61153f7fe8deSJinhao Fan for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 61163f7fe8deSJinhao Fan NvmeSQueue *sq = n->sq[i]; 61173f7fe8deSJinhao Fan NvmeCQueue *cq = n->cq[i]; 61183f7fe8deSJinhao Fan 61193f7fe8deSJinhao Fan if (sq) { 61203f7fe8deSJinhao Fan /* 61213f7fe8deSJinhao Fan * CAP.DSTRD is 0, so offset of ith sq db_addr is (i<<3) 61223f7fe8deSJinhao Fan * nvme_process_db() uses this hard-coded way to calculate 61233f7fe8deSJinhao Fan * doorbell offsets. Be consistent with that here. 61243f7fe8deSJinhao Fan */ 61253f7fe8deSJinhao Fan sq->db_addr = dbs_addr + (i << 3); 61263f7fe8deSJinhao Fan sq->ei_addr = eis_addr + (i << 3); 612748b32c28SKlaus Jensen pci_dma_write(pci, sq->db_addr, &sq->tail, sizeof(sq->tail)); 61282e53b0b4SJinhao Fan 61292e53b0b4SJinhao Fan if (n->params.ioeventfd && sq->sqid != 0) { 61302e53b0b4SJinhao Fan if (!nvme_init_sq_ioeventfd(sq)) { 61312e53b0b4SJinhao Fan sq->ioeventfd_enabled = true; 61322e53b0b4SJinhao Fan } 61332e53b0b4SJinhao Fan } 61343f7fe8deSJinhao Fan } 61353f7fe8deSJinhao Fan 61363f7fe8deSJinhao Fan if (cq) { 61373f7fe8deSJinhao Fan /* CAP.DSTRD is 0, so offset of ith cq db_addr is (i<<3)+(1<<2) */ 61383f7fe8deSJinhao Fan cq->db_addr = dbs_addr + (i << 3) + (1 << 2); 61393f7fe8deSJinhao Fan cq->ei_addr = eis_addr + (i << 3) + (1 << 2); 614048b32c28SKlaus Jensen pci_dma_write(pci, cq->db_addr, &cq->head, sizeof(cq->head)); 61412e53b0b4SJinhao Fan 61422e53b0b4SJinhao Fan if (n->params.ioeventfd && cq->cqid != 0) { 61432e53b0b4SJinhao Fan if (!nvme_init_cq_ioeventfd(cq)) { 61442e53b0b4SJinhao Fan cq->ioeventfd_enabled = true; 61452e53b0b4SJinhao Fan } 61462e53b0b4SJinhao Fan } 61473f7fe8deSJinhao Fan } 61483f7fe8deSJinhao Fan } 61493f7fe8deSJinhao Fan 6150387350d5SJinhao Fan trace_pci_nvme_dbbuf_config(dbs_addr, eis_addr); 6151387350d5SJinhao Fan 61523f7fe8deSJinhao Fan return NVME_SUCCESS; 61533f7fe8deSJinhao Fan } 61543f7fe8deSJinhao Fan 6155*e181d3daSGollu Appalanaidu static uint16_t nvme_directive_send(NvmeCtrl *n, NvmeRequest *req) 6156*e181d3daSGollu Appalanaidu { 6157*e181d3daSGollu Appalanaidu return NVME_INVALID_FIELD | NVME_DNR; 6158*e181d3daSGollu Appalanaidu } 6159*e181d3daSGollu Appalanaidu 6160*e181d3daSGollu Appalanaidu static uint16_t nvme_directive_receive(NvmeCtrl *n, NvmeRequest *req) 6161*e181d3daSGollu Appalanaidu { 6162*e181d3daSGollu Appalanaidu uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 6163*e181d3daSGollu Appalanaidu uint32_t dw11 = le32_to_cpu(req->cmd.cdw11); 6164*e181d3daSGollu Appalanaidu uint32_t nsid = le32_to_cpu(req->cmd.nsid); 6165*e181d3daSGollu Appalanaidu uint8_t doper, dtype; 6166*e181d3daSGollu Appalanaidu uint32_t numd, trans_len; 6167*e181d3daSGollu Appalanaidu NvmeDirectiveIdentify id = { 6168*e181d3daSGollu Appalanaidu .supported = 1 << NVME_DIRECTIVE_IDENTIFY, 6169*e181d3daSGollu Appalanaidu .enabled = 1 << NVME_DIRECTIVE_IDENTIFY, 6170*e181d3daSGollu Appalanaidu }; 6171*e181d3daSGollu Appalanaidu 6172*e181d3daSGollu Appalanaidu numd = dw10 + 1; 6173*e181d3daSGollu Appalanaidu doper = dw11 & 0xff; 6174*e181d3daSGollu Appalanaidu dtype = (dw11 >> 8) & 0xff; 6175*e181d3daSGollu Appalanaidu 6176*e181d3daSGollu Appalanaidu trans_len = MIN(sizeof(NvmeDirectiveIdentify), numd << 2); 6177*e181d3daSGollu Appalanaidu 6178*e181d3daSGollu Appalanaidu if (nsid == NVME_NSID_BROADCAST || dtype != NVME_DIRECTIVE_IDENTIFY || 6179*e181d3daSGollu Appalanaidu doper != NVME_DIRECTIVE_RETURN_PARAMS) { 6180*e181d3daSGollu Appalanaidu return NVME_INVALID_FIELD | NVME_DNR; 6181*e181d3daSGollu Appalanaidu } 6182*e181d3daSGollu Appalanaidu 6183*e181d3daSGollu Appalanaidu return nvme_c2h(n, (uint8_t *)&id, trans_len, req); 6184*e181d3daSGollu Appalanaidu } 6185*e181d3daSGollu Appalanaidu 618688eea45cSKlaus Jensen static uint16_t nvme_admin_cmd(NvmeCtrl *n, NvmeRequest *req) 618788eea45cSKlaus Jensen { 618888eea45cSKlaus Jensen trace_pci_nvme_admin_cmd(nvme_cid(req), nvme_sqid(req), req->cmd.opcode, 618988eea45cSKlaus Jensen nvme_adm_opc_str(req->cmd.opcode)); 619088eea45cSKlaus Jensen 619188eea45cSKlaus Jensen if (!(nvme_cse_acs[req->cmd.opcode] & NVME_CMD_EFF_CSUPP)) { 619288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_admin_opc(req->cmd.opcode); 619388eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 619488eea45cSKlaus Jensen } 619588eea45cSKlaus Jensen 619688eea45cSKlaus Jensen /* SGLs shall not be used for Admin commands in NVMe over PCIe */ 619788eea45cSKlaus Jensen if (NVME_CMD_FLAGS_PSDT(req->cmd.flags) != NVME_PSDT_PRP) { 619888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 619988eea45cSKlaus Jensen } 620088eea45cSKlaus Jensen 6201c53a9a91SPankaj Raghav if (NVME_CMD_FLAGS_FUSE(req->cmd.flags)) { 6202c53a9a91SPankaj Raghav return NVME_INVALID_FIELD; 6203c53a9a91SPankaj Raghav } 6204c53a9a91SPankaj Raghav 620588eea45cSKlaus Jensen switch (req->cmd.opcode) { 620688eea45cSKlaus Jensen case NVME_ADM_CMD_DELETE_SQ: 620788eea45cSKlaus Jensen return nvme_del_sq(n, req); 620888eea45cSKlaus Jensen case NVME_ADM_CMD_CREATE_SQ: 620988eea45cSKlaus Jensen return nvme_create_sq(n, req); 621088eea45cSKlaus Jensen case NVME_ADM_CMD_GET_LOG_PAGE: 621188eea45cSKlaus Jensen return nvme_get_log(n, req); 621288eea45cSKlaus Jensen case NVME_ADM_CMD_DELETE_CQ: 621388eea45cSKlaus Jensen return nvme_del_cq(n, req); 621488eea45cSKlaus Jensen case NVME_ADM_CMD_CREATE_CQ: 621588eea45cSKlaus Jensen return nvme_create_cq(n, req); 621688eea45cSKlaus Jensen case NVME_ADM_CMD_IDENTIFY: 621788eea45cSKlaus Jensen return nvme_identify(n, req); 621888eea45cSKlaus Jensen case NVME_ADM_CMD_ABORT: 621988eea45cSKlaus Jensen return nvme_abort(n, req); 622088eea45cSKlaus Jensen case NVME_ADM_CMD_SET_FEATURES: 622188eea45cSKlaus Jensen return nvme_set_feature(n, req); 622288eea45cSKlaus Jensen case NVME_ADM_CMD_GET_FEATURES: 622388eea45cSKlaus Jensen return nvme_get_feature(n, req); 622488eea45cSKlaus Jensen case NVME_ADM_CMD_ASYNC_EV_REQ: 622588eea45cSKlaus Jensen return nvme_aer(n, req); 622688eea45cSKlaus Jensen case NVME_ADM_CMD_NS_ATTACHMENT: 622788eea45cSKlaus Jensen return nvme_ns_attachment(n, req); 622811871f53SŁukasz Gieryk case NVME_ADM_CMD_VIRT_MNGMT: 622911871f53SŁukasz Gieryk return nvme_virt_mngmt(n, req); 62303f7fe8deSJinhao Fan case NVME_ADM_CMD_DBBUF_CONFIG: 62313f7fe8deSJinhao Fan return nvme_dbbuf_config(n, req); 623288eea45cSKlaus Jensen case NVME_ADM_CMD_FORMAT_NVM: 623388eea45cSKlaus Jensen return nvme_format(n, req); 6234*e181d3daSGollu Appalanaidu case NVME_ADM_CMD_DIRECTIVE_SEND: 6235*e181d3daSGollu Appalanaidu return nvme_directive_send(n, req); 6236*e181d3daSGollu Appalanaidu case NVME_ADM_CMD_DIRECTIVE_RECV: 6237*e181d3daSGollu Appalanaidu return nvme_directive_receive(n, req); 623888eea45cSKlaus Jensen default: 623988eea45cSKlaus Jensen assert(false); 624088eea45cSKlaus Jensen } 624188eea45cSKlaus Jensen 624288eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 624388eea45cSKlaus Jensen } 624488eea45cSKlaus Jensen 62453f7fe8deSJinhao Fan static void nvme_update_sq_eventidx(const NvmeSQueue *sq) 62463f7fe8deSJinhao Fan { 62472fda0726SKlaus Jensen uint32_t v = cpu_to_le32(sq->tail); 62482fda0726SKlaus Jensen 624947cd3539SKlaus Jensen trace_pci_nvme_update_sq_eventidx(sq->sqid, sq->tail); 625047cd3539SKlaus Jensen 62512fda0726SKlaus Jensen pci_dma_write(PCI_DEVICE(sq->ctrl), sq->ei_addr, &v, sizeof(v)); 62523f7fe8deSJinhao Fan } 62533f7fe8deSJinhao Fan 62543f7fe8deSJinhao Fan static void nvme_update_sq_tail(NvmeSQueue *sq) 62553f7fe8deSJinhao Fan { 62562fda0726SKlaus Jensen uint32_t v; 62572fda0726SKlaus Jensen 62582fda0726SKlaus Jensen pci_dma_read(PCI_DEVICE(sq->ctrl), sq->db_addr, &v, sizeof(v)); 62592fda0726SKlaus Jensen 62602fda0726SKlaus Jensen sq->tail = le32_to_cpu(v); 626147cd3539SKlaus Jensen 626247cd3539SKlaus Jensen trace_pci_nvme_update_sq_tail(sq->sqid, sq->tail); 62633f7fe8deSJinhao Fan } 62643f7fe8deSJinhao Fan 626588eea45cSKlaus Jensen static void nvme_process_sq(void *opaque) 626688eea45cSKlaus Jensen { 626788eea45cSKlaus Jensen NvmeSQueue *sq = opaque; 626888eea45cSKlaus Jensen NvmeCtrl *n = sq->ctrl; 626988eea45cSKlaus Jensen NvmeCQueue *cq = n->cq[sq->cqid]; 627088eea45cSKlaus Jensen 627188eea45cSKlaus Jensen uint16_t status; 627288eea45cSKlaus Jensen hwaddr addr; 627388eea45cSKlaus Jensen NvmeCmd cmd; 627488eea45cSKlaus Jensen NvmeRequest *req; 627588eea45cSKlaus Jensen 62763f7fe8deSJinhao Fan if (n->dbbuf_enabled) { 62773f7fe8deSJinhao Fan nvme_update_sq_tail(sq); 62783f7fe8deSJinhao Fan } 62793f7fe8deSJinhao Fan 628088eea45cSKlaus Jensen while (!(nvme_sq_empty(sq) || QTAILQ_EMPTY(&sq->req_list))) { 628188eea45cSKlaus Jensen addr = sq->dma_addr + sq->head * n->sqe_size; 628288eea45cSKlaus Jensen if (nvme_addr_read(n, addr, (void *)&cmd, sizeof(cmd))) { 628388eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 628488eea45cSKlaus Jensen trace_pci_nvme_err_cfs(); 628549e03457SKlaus Jensen stl_le_p(&n->bar.csts, NVME_CSTS_FAILED); 628688eea45cSKlaus Jensen break; 628788eea45cSKlaus Jensen } 628888eea45cSKlaus Jensen nvme_inc_sq_head(sq); 628988eea45cSKlaus Jensen 629088eea45cSKlaus Jensen req = QTAILQ_FIRST(&sq->req_list); 629188eea45cSKlaus Jensen QTAILQ_REMOVE(&sq->req_list, req, entry); 629288eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->out_req_list, req, entry); 629388eea45cSKlaus Jensen nvme_req_clear(req); 629488eea45cSKlaus Jensen req->cqe.cid = cmd.cid; 629588eea45cSKlaus Jensen memcpy(&req->cmd, &cmd, sizeof(NvmeCmd)); 629688eea45cSKlaus Jensen 629788eea45cSKlaus Jensen status = sq->sqid ? nvme_io_cmd(n, req) : 629888eea45cSKlaus Jensen nvme_admin_cmd(n, req); 629988eea45cSKlaus Jensen if (status != NVME_NO_COMPLETE) { 630088eea45cSKlaus Jensen req->status = status; 630188eea45cSKlaus Jensen nvme_enqueue_req_completion(cq, req); 630288eea45cSKlaus Jensen } 63033f7fe8deSJinhao Fan 63043f7fe8deSJinhao Fan if (n->dbbuf_enabled) { 63053f7fe8deSJinhao Fan nvme_update_sq_eventidx(sq); 63063f7fe8deSJinhao Fan nvme_update_sq_tail(sq); 63073f7fe8deSJinhao Fan } 630888eea45cSKlaus Jensen } 630988eea45cSKlaus Jensen } 631088eea45cSKlaus Jensen 6311decc0261SŁukasz Gieryk static void nvme_update_msixcap_ts(PCIDevice *pci_dev, uint32_t table_size) 6312decc0261SŁukasz Gieryk { 6313decc0261SŁukasz Gieryk uint8_t *config; 6314decc0261SŁukasz Gieryk 6315decc0261SŁukasz Gieryk if (!msix_present(pci_dev)) { 6316decc0261SŁukasz Gieryk return; 6317decc0261SŁukasz Gieryk } 6318decc0261SŁukasz Gieryk 6319decc0261SŁukasz Gieryk assert(table_size > 0 && table_size <= pci_dev->msix_entries_nr); 6320decc0261SŁukasz Gieryk 6321decc0261SŁukasz Gieryk config = pci_dev->config + pci_dev->msix_cap; 6322decc0261SŁukasz Gieryk pci_set_word_by_mask(config + PCI_MSIX_FLAGS, PCI_MSIX_FLAGS_QSIZE, 6323decc0261SŁukasz Gieryk table_size - 1); 6324decc0261SŁukasz Gieryk } 6325decc0261SŁukasz Gieryk 632611871f53SŁukasz Gieryk static void nvme_activate_virt_res(NvmeCtrl *n) 632711871f53SŁukasz Gieryk { 632848b32c28SKlaus Jensen PCIDevice *pci_dev = PCI_DEVICE(n); 632911871f53SŁukasz Gieryk NvmePriCtrlCap *cap = &n->pri_ctrl_cap; 633011871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl; 633111871f53SŁukasz Gieryk 633211871f53SŁukasz Gieryk /* -1 to account for the admin queue */ 633311871f53SŁukasz Gieryk if (pci_is_vf(pci_dev)) { 633411871f53SŁukasz Gieryk sctrl = nvme_sctrl(n); 633511871f53SŁukasz Gieryk cap->vqprt = sctrl->nvq; 633611871f53SŁukasz Gieryk cap->viprt = sctrl->nvi; 633711871f53SŁukasz Gieryk n->conf_ioqpairs = sctrl->nvq ? le16_to_cpu(sctrl->nvq) - 1 : 0; 633811871f53SŁukasz Gieryk n->conf_msix_qsize = sctrl->nvi ? le16_to_cpu(sctrl->nvi) : 1; 633911871f53SŁukasz Gieryk } else { 634011871f53SŁukasz Gieryk cap->vqrfap = n->next_pri_ctrl_cap.vqrfap; 634111871f53SŁukasz Gieryk cap->virfap = n->next_pri_ctrl_cap.virfap; 634211871f53SŁukasz Gieryk n->conf_ioqpairs = le16_to_cpu(cap->vqprt) + 634311871f53SŁukasz Gieryk le16_to_cpu(cap->vqrfap) - 1; 634411871f53SŁukasz Gieryk n->conf_msix_qsize = le16_to_cpu(cap->viprt) + 634511871f53SŁukasz Gieryk le16_to_cpu(cap->virfap); 634611871f53SŁukasz Gieryk } 634711871f53SŁukasz Gieryk } 634811871f53SŁukasz Gieryk 63491e9c685eSŁukasz Gieryk static void nvme_ctrl_reset(NvmeCtrl *n, NvmeResetType rst) 635088eea45cSKlaus Jensen { 635148b32c28SKlaus Jensen PCIDevice *pci_dev = PCI_DEVICE(n); 635211871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl; 635388eea45cSKlaus Jensen NvmeNamespace *ns; 635488eea45cSKlaus Jensen int i; 635588eea45cSKlaus Jensen 635688eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 635788eea45cSKlaus Jensen ns = nvme_ns(n, i); 635888eea45cSKlaus Jensen if (!ns) { 635988eea45cSKlaus Jensen continue; 636088eea45cSKlaus Jensen } 636188eea45cSKlaus Jensen 636288eea45cSKlaus Jensen nvme_ns_drain(ns); 636388eea45cSKlaus Jensen } 636488eea45cSKlaus Jensen 636588eea45cSKlaus Jensen for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 636688eea45cSKlaus Jensen if (n->sq[i] != NULL) { 636788eea45cSKlaus Jensen nvme_free_sq(n->sq[i], n); 636888eea45cSKlaus Jensen } 636988eea45cSKlaus Jensen } 637088eea45cSKlaus Jensen for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 637188eea45cSKlaus Jensen if (n->cq[i] != NULL) { 637288eea45cSKlaus Jensen nvme_free_cq(n->cq[i], n); 637388eea45cSKlaus Jensen } 637488eea45cSKlaus Jensen } 637588eea45cSKlaus Jensen 637688eea45cSKlaus Jensen while (!QTAILQ_EMPTY(&n->aer_queue)) { 637788eea45cSKlaus Jensen NvmeAsyncEvent *event = QTAILQ_FIRST(&n->aer_queue); 637888eea45cSKlaus Jensen QTAILQ_REMOVE(&n->aer_queue, event, entry); 637988eea45cSKlaus Jensen g_free(event); 638088eea45cSKlaus Jensen } 638188eea45cSKlaus Jensen 638211871f53SŁukasz Gieryk if (n->params.sriov_max_vfs) { 638311871f53SŁukasz Gieryk if (!pci_is_vf(pci_dev)) { 638411871f53SŁukasz Gieryk for (i = 0; i < n->sec_ctrl_list.numcntl; i++) { 638511871f53SŁukasz Gieryk sctrl = &n->sec_ctrl_list.sec[i]; 638611871f53SŁukasz Gieryk nvme_virt_set_state(n, le16_to_cpu(sctrl->scid), false); 638711871f53SŁukasz Gieryk } 638811871f53SŁukasz Gieryk 63891e9c685eSŁukasz Gieryk if (rst != NVME_RESET_CONTROLLER) { 6390decc0261SŁukasz Gieryk pcie_sriov_pf_disable_vfs(pci_dev); 639144c2c094SLukasz Maniak } 63921e9c685eSŁukasz Gieryk } 639344c2c094SLukasz Maniak 639411871f53SŁukasz Gieryk if (rst != NVME_RESET_CONTROLLER) { 639511871f53SŁukasz Gieryk nvme_activate_virt_res(n); 639611871f53SŁukasz Gieryk } 639711871f53SŁukasz Gieryk } 639811871f53SŁukasz Gieryk 639988eea45cSKlaus Jensen n->aer_queued = 0; 640098836e8eSKlaus Jensen n->aer_mask = 0; 640188eea45cSKlaus Jensen n->outstanding_aers = 0; 640288eea45cSKlaus Jensen n->qs_created = false; 6403decc0261SŁukasz Gieryk 6404decc0261SŁukasz Gieryk nvme_update_msixcap_ts(pci_dev, n->conf_msix_qsize); 640511871f53SŁukasz Gieryk 640611871f53SŁukasz Gieryk if (pci_is_vf(pci_dev)) { 640711871f53SŁukasz Gieryk sctrl = nvme_sctrl(n); 6408cc9bcee2SKlaus Jensen 640911871f53SŁukasz Gieryk stl_le_p(&n->bar.csts, sctrl->scs ? 0 : NVME_CSTS_FAILED); 641011871f53SŁukasz Gieryk } else { 641111871f53SŁukasz Gieryk stl_le_p(&n->bar.csts, 0); 641211871f53SŁukasz Gieryk } 6413cc9bcee2SKlaus Jensen 6414cc9bcee2SKlaus Jensen stl_le_p(&n->bar.intms, 0); 6415cc9bcee2SKlaus Jensen stl_le_p(&n->bar.intmc, 0); 6416cc9bcee2SKlaus Jensen stl_le_p(&n->bar.cc, 0); 64173f7fe8deSJinhao Fan 64183f7fe8deSJinhao Fan n->dbbuf_dbs = 0; 64193f7fe8deSJinhao Fan n->dbbuf_eis = 0; 64203f7fe8deSJinhao Fan n->dbbuf_enabled = false; 642188eea45cSKlaus Jensen } 642288eea45cSKlaus Jensen 642388eea45cSKlaus Jensen static void nvme_ctrl_shutdown(NvmeCtrl *n) 642488eea45cSKlaus Jensen { 642588eea45cSKlaus Jensen NvmeNamespace *ns; 642688eea45cSKlaus Jensen int i; 642788eea45cSKlaus Jensen 642888eea45cSKlaus Jensen if (n->pmr.dev) { 642988eea45cSKlaus Jensen memory_region_msync(&n->pmr.dev->mr, 0, n->pmr.dev->size); 643088eea45cSKlaus Jensen } 643188eea45cSKlaus Jensen 643288eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 643388eea45cSKlaus Jensen ns = nvme_ns(n, i); 643488eea45cSKlaus Jensen if (!ns) { 643588eea45cSKlaus Jensen continue; 643688eea45cSKlaus Jensen } 643788eea45cSKlaus Jensen 643888eea45cSKlaus Jensen nvme_ns_shutdown(ns); 643988eea45cSKlaus Jensen } 644088eea45cSKlaus Jensen } 644188eea45cSKlaus Jensen 644288eea45cSKlaus Jensen static void nvme_select_iocs(NvmeCtrl *n) 644388eea45cSKlaus Jensen { 644488eea45cSKlaus Jensen NvmeNamespace *ns; 644588eea45cSKlaus Jensen int i; 644688eea45cSKlaus Jensen 644788eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 644888eea45cSKlaus Jensen ns = nvme_ns(n, i); 644988eea45cSKlaus Jensen if (!ns) { 645088eea45cSKlaus Jensen continue; 645188eea45cSKlaus Jensen } 645288eea45cSKlaus Jensen 645388eea45cSKlaus Jensen nvme_select_iocs_ns(n, ns); 645488eea45cSKlaus Jensen } 645588eea45cSKlaus Jensen } 645688eea45cSKlaus Jensen 645788eea45cSKlaus Jensen static int nvme_start_ctrl(NvmeCtrl *n) 645888eea45cSKlaus Jensen { 645949e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 646049e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 646149e03457SKlaus Jensen uint32_t aqa = ldl_le_p(&n->bar.aqa); 646249e03457SKlaus Jensen uint64_t asq = ldq_le_p(&n->bar.asq); 646349e03457SKlaus Jensen uint64_t acq = ldq_le_p(&n->bar.acq); 646449e03457SKlaus Jensen uint32_t page_bits = NVME_CC_MPS(cc) + 12; 646588eea45cSKlaus Jensen uint32_t page_size = 1 << page_bits; 646611871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl = nvme_sctrl(n); 646788eea45cSKlaus Jensen 646848b32c28SKlaus Jensen if (pci_is_vf(PCI_DEVICE(n)) && !sctrl->scs) { 646911871f53SŁukasz Gieryk trace_pci_nvme_err_startfail_virt_state(le16_to_cpu(sctrl->nvi), 647011871f53SŁukasz Gieryk le16_to_cpu(sctrl->nvq), 647111871f53SŁukasz Gieryk sctrl->scs ? "ONLINE" : 647211871f53SŁukasz Gieryk "OFFLINE"); 647311871f53SŁukasz Gieryk return -1; 647411871f53SŁukasz Gieryk } 647588eea45cSKlaus Jensen if (unlikely(n->cq[0])) { 647688eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cq(); 647788eea45cSKlaus Jensen return -1; 647888eea45cSKlaus Jensen } 647988eea45cSKlaus Jensen if (unlikely(n->sq[0])) { 648088eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sq(); 648188eea45cSKlaus Jensen return -1; 648288eea45cSKlaus Jensen } 648349e03457SKlaus Jensen if (unlikely(asq & (page_size - 1))) { 648449e03457SKlaus Jensen trace_pci_nvme_err_startfail_asq_misaligned(asq); 648588eea45cSKlaus Jensen return -1; 648688eea45cSKlaus Jensen } 648749e03457SKlaus Jensen if (unlikely(acq & (page_size - 1))) { 648849e03457SKlaus Jensen trace_pci_nvme_err_startfail_acq_misaligned(acq); 648988eea45cSKlaus Jensen return -1; 649088eea45cSKlaus Jensen } 649149e03457SKlaus Jensen if (unlikely(!(NVME_CAP_CSS(cap) & (1 << NVME_CC_CSS(cc))))) { 649249e03457SKlaus Jensen trace_pci_nvme_err_startfail_css(NVME_CC_CSS(cc)); 649388eea45cSKlaus Jensen return -1; 649488eea45cSKlaus Jensen } 649549e03457SKlaus Jensen if (unlikely(NVME_CC_MPS(cc) < NVME_CAP_MPSMIN(cap))) { 649688eea45cSKlaus Jensen trace_pci_nvme_err_startfail_page_too_small( 649749e03457SKlaus Jensen NVME_CC_MPS(cc), 649849e03457SKlaus Jensen NVME_CAP_MPSMIN(cap)); 649988eea45cSKlaus Jensen return -1; 650088eea45cSKlaus Jensen } 650149e03457SKlaus Jensen if (unlikely(NVME_CC_MPS(cc) > 650249e03457SKlaus Jensen NVME_CAP_MPSMAX(cap))) { 650388eea45cSKlaus Jensen trace_pci_nvme_err_startfail_page_too_large( 650449e03457SKlaus Jensen NVME_CC_MPS(cc), 650549e03457SKlaus Jensen NVME_CAP_MPSMAX(cap)); 650688eea45cSKlaus Jensen return -1; 650788eea45cSKlaus Jensen } 650849e03457SKlaus Jensen if (unlikely(NVME_CC_IOCQES(cc) < 650988eea45cSKlaus Jensen NVME_CTRL_CQES_MIN(n->id_ctrl.cqes))) { 651088eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cqent_too_small( 651149e03457SKlaus Jensen NVME_CC_IOCQES(cc), 651249e03457SKlaus Jensen NVME_CTRL_CQES_MIN(cap)); 651388eea45cSKlaus Jensen return -1; 651488eea45cSKlaus Jensen } 651549e03457SKlaus Jensen if (unlikely(NVME_CC_IOCQES(cc) > 651688eea45cSKlaus Jensen NVME_CTRL_CQES_MAX(n->id_ctrl.cqes))) { 651788eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cqent_too_large( 651849e03457SKlaus Jensen NVME_CC_IOCQES(cc), 651949e03457SKlaus Jensen NVME_CTRL_CQES_MAX(cap)); 652088eea45cSKlaus Jensen return -1; 652188eea45cSKlaus Jensen } 652249e03457SKlaus Jensen if (unlikely(NVME_CC_IOSQES(cc) < 652388eea45cSKlaus Jensen NVME_CTRL_SQES_MIN(n->id_ctrl.sqes))) { 652488eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sqent_too_small( 652549e03457SKlaus Jensen NVME_CC_IOSQES(cc), 652649e03457SKlaus Jensen NVME_CTRL_SQES_MIN(cap)); 652788eea45cSKlaus Jensen return -1; 652888eea45cSKlaus Jensen } 652949e03457SKlaus Jensen if (unlikely(NVME_CC_IOSQES(cc) > 653088eea45cSKlaus Jensen NVME_CTRL_SQES_MAX(n->id_ctrl.sqes))) { 653188eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sqent_too_large( 653249e03457SKlaus Jensen NVME_CC_IOSQES(cc), 653349e03457SKlaus Jensen NVME_CTRL_SQES_MAX(cap)); 653488eea45cSKlaus Jensen return -1; 653588eea45cSKlaus Jensen } 653649e03457SKlaus Jensen if (unlikely(!NVME_AQA_ASQS(aqa))) { 653788eea45cSKlaus Jensen trace_pci_nvme_err_startfail_asqent_sz_zero(); 653888eea45cSKlaus Jensen return -1; 653988eea45cSKlaus Jensen } 654049e03457SKlaus Jensen if (unlikely(!NVME_AQA_ACQS(aqa))) { 654188eea45cSKlaus Jensen trace_pci_nvme_err_startfail_acqent_sz_zero(); 654288eea45cSKlaus Jensen return -1; 654388eea45cSKlaus Jensen } 654488eea45cSKlaus Jensen 654588eea45cSKlaus Jensen n->page_bits = page_bits; 654688eea45cSKlaus Jensen n->page_size = page_size; 654788eea45cSKlaus Jensen n->max_prp_ents = n->page_size / sizeof(uint64_t); 654849e03457SKlaus Jensen n->cqe_size = 1 << NVME_CC_IOCQES(cc); 654949e03457SKlaus Jensen n->sqe_size = 1 << NVME_CC_IOSQES(cc); 655049e03457SKlaus Jensen nvme_init_cq(&n->admin_cq, n, acq, 0, 0, NVME_AQA_ACQS(aqa) + 1, 1); 655149e03457SKlaus Jensen nvme_init_sq(&n->admin_sq, n, asq, 0, 0, NVME_AQA_ASQS(aqa) + 1); 655288eea45cSKlaus Jensen 655388eea45cSKlaus Jensen nvme_set_timestamp(n, 0ULL); 655488eea45cSKlaus Jensen 655588eea45cSKlaus Jensen nvme_select_iocs(n); 655688eea45cSKlaus Jensen 655788eea45cSKlaus Jensen return 0; 655888eea45cSKlaus Jensen } 655988eea45cSKlaus Jensen 656088eea45cSKlaus Jensen static void nvme_cmb_enable_regs(NvmeCtrl *n) 656188eea45cSKlaus Jensen { 656249e03457SKlaus Jensen uint32_t cmbloc = ldl_le_p(&n->bar.cmbloc); 656349e03457SKlaus Jensen uint32_t cmbsz = ldl_le_p(&n->bar.cmbsz); 656488eea45cSKlaus Jensen 656549e03457SKlaus Jensen NVME_CMBLOC_SET_CDPCILS(cmbloc, 1); 656649e03457SKlaus Jensen NVME_CMBLOC_SET_CDPMLS(cmbloc, 1); 656749e03457SKlaus Jensen NVME_CMBLOC_SET_BIR(cmbloc, NVME_CMB_BIR); 656849e03457SKlaus Jensen stl_le_p(&n->bar.cmbloc, cmbloc); 656949e03457SKlaus Jensen 657049e03457SKlaus Jensen NVME_CMBSZ_SET_SQS(cmbsz, 1); 657149e03457SKlaus Jensen NVME_CMBSZ_SET_CQS(cmbsz, 0); 657249e03457SKlaus Jensen NVME_CMBSZ_SET_LISTS(cmbsz, 1); 657349e03457SKlaus Jensen NVME_CMBSZ_SET_RDS(cmbsz, 1); 657449e03457SKlaus Jensen NVME_CMBSZ_SET_WDS(cmbsz, 1); 657549e03457SKlaus Jensen NVME_CMBSZ_SET_SZU(cmbsz, 2); /* MBs */ 657649e03457SKlaus Jensen NVME_CMBSZ_SET_SZ(cmbsz, n->params.cmb_size_mb); 657749e03457SKlaus Jensen stl_le_p(&n->bar.cmbsz, cmbsz); 657888eea45cSKlaus Jensen } 657988eea45cSKlaus Jensen 658088eea45cSKlaus Jensen static void nvme_write_bar(NvmeCtrl *n, hwaddr offset, uint64_t data, 658188eea45cSKlaus Jensen unsigned size) 658288eea45cSKlaus Jensen { 658348b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 658449e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 658549e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 658649e03457SKlaus Jensen uint32_t intms = ldl_le_p(&n->bar.intms); 658749e03457SKlaus Jensen uint32_t csts = ldl_le_p(&n->bar.csts); 658849e03457SKlaus Jensen uint32_t pmrsts = ldl_le_p(&n->bar.pmrsts); 658949e03457SKlaus Jensen 659088eea45cSKlaus Jensen if (unlikely(offset & (sizeof(uint32_t) - 1))) { 659188eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_misaligned32, 659288eea45cSKlaus Jensen "MMIO write not 32-bit aligned," 659388eea45cSKlaus Jensen " offset=0x%"PRIx64"", offset); 659488eea45cSKlaus Jensen /* should be ignored, fall through for now */ 659588eea45cSKlaus Jensen } 659688eea45cSKlaus Jensen 659788eea45cSKlaus Jensen if (unlikely(size < sizeof(uint32_t))) { 659888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_toosmall, 659988eea45cSKlaus Jensen "MMIO write smaller than 32-bits," 660088eea45cSKlaus Jensen " offset=0x%"PRIx64", size=%u", 660188eea45cSKlaus Jensen offset, size); 660288eea45cSKlaus Jensen /* should be ignored, fall through for now */ 660388eea45cSKlaus Jensen } 660488eea45cSKlaus Jensen 660588eea45cSKlaus Jensen switch (offset) { 6606a316aa50SKlaus Jensen case NVME_REG_INTMS: 660748b32c28SKlaus Jensen if (unlikely(msix_enabled(pci))) { 660888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_intmask_with_msix, 660988eea45cSKlaus Jensen "undefined access to interrupt mask set" 661088eea45cSKlaus Jensen " when MSI-X is enabled"); 661188eea45cSKlaus Jensen /* should be ignored, fall through for now */ 661288eea45cSKlaus Jensen } 661349e03457SKlaus Jensen intms |= data; 661449e03457SKlaus Jensen stl_le_p(&n->bar.intms, intms); 661588eea45cSKlaus Jensen n->bar.intmc = n->bar.intms; 661649e03457SKlaus Jensen trace_pci_nvme_mmio_intm_set(data & 0xffffffff, intms); 661788eea45cSKlaus Jensen nvme_irq_check(n); 661888eea45cSKlaus Jensen break; 6619a316aa50SKlaus Jensen case NVME_REG_INTMC: 662048b32c28SKlaus Jensen if (unlikely(msix_enabled(pci))) { 662188eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_intmask_with_msix, 662288eea45cSKlaus Jensen "undefined access to interrupt mask clr" 662388eea45cSKlaus Jensen " when MSI-X is enabled"); 662488eea45cSKlaus Jensen /* should be ignored, fall through for now */ 662588eea45cSKlaus Jensen } 662649e03457SKlaus Jensen intms &= ~data; 662749e03457SKlaus Jensen stl_le_p(&n->bar.intms, intms); 662888eea45cSKlaus Jensen n->bar.intmc = n->bar.intms; 662949e03457SKlaus Jensen trace_pci_nvme_mmio_intm_clr(data & 0xffffffff, intms); 663088eea45cSKlaus Jensen nvme_irq_check(n); 663188eea45cSKlaus Jensen break; 6632a316aa50SKlaus Jensen case NVME_REG_CC: 6633cc9bcee2SKlaus Jensen stl_le_p(&n->bar.cc, data); 6634cc9bcee2SKlaus Jensen 663588eea45cSKlaus Jensen trace_pci_nvme_mmio_cfg(data & 0xffffffff); 663649e03457SKlaus Jensen 6637cc9bcee2SKlaus Jensen if (NVME_CC_SHN(data) && !(NVME_CC_SHN(cc))) { 6638cc9bcee2SKlaus Jensen trace_pci_nvme_mmio_shutdown_set(); 6639cc9bcee2SKlaus Jensen nvme_ctrl_shutdown(n); 6640cc9bcee2SKlaus Jensen csts &= ~(CSTS_SHST_MASK << CSTS_SHST_SHIFT); 6641cc9bcee2SKlaus Jensen csts |= NVME_CSTS_SHST_COMPLETE; 6642cc9bcee2SKlaus Jensen } else if (!NVME_CC_SHN(data) && NVME_CC_SHN(cc)) { 6643cc9bcee2SKlaus Jensen trace_pci_nvme_mmio_shutdown_cleared(); 6644cc9bcee2SKlaus Jensen csts &= ~(CSTS_SHST_MASK << CSTS_SHST_SHIFT); 664588eea45cSKlaus Jensen } 664688eea45cSKlaus Jensen 664749e03457SKlaus Jensen if (NVME_CC_EN(data) && !NVME_CC_EN(cc)) { 664888eea45cSKlaus Jensen if (unlikely(nvme_start_ctrl(n))) { 664988eea45cSKlaus Jensen trace_pci_nvme_err_startfail(); 665049e03457SKlaus Jensen csts = NVME_CSTS_FAILED; 665188eea45cSKlaus Jensen } else { 665288eea45cSKlaus Jensen trace_pci_nvme_mmio_start_success(); 665349e03457SKlaus Jensen csts = NVME_CSTS_READY; 665488eea45cSKlaus Jensen } 665549e03457SKlaus Jensen } else if (!NVME_CC_EN(data) && NVME_CC_EN(cc)) { 665688eea45cSKlaus Jensen trace_pci_nvme_mmio_stopped(); 66571e9c685eSŁukasz Gieryk nvme_ctrl_reset(n, NVME_RESET_CONTROLLER); 6658cc9bcee2SKlaus Jensen 6659cc9bcee2SKlaus Jensen break; 666088eea45cSKlaus Jensen } 666149e03457SKlaus Jensen 666249e03457SKlaus Jensen stl_le_p(&n->bar.csts, csts); 666349e03457SKlaus Jensen 666488eea45cSKlaus Jensen break; 6665a316aa50SKlaus Jensen case NVME_REG_CSTS: 666688eea45cSKlaus Jensen if (data & (1 << 4)) { 666788eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_ssreset_w1c_unsupported, 666888eea45cSKlaus Jensen "attempted to W1C CSTS.NSSRO" 666988eea45cSKlaus Jensen " but CAP.NSSRS is zero (not supported)"); 667088eea45cSKlaus Jensen } else if (data != 0) { 667188eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_ro_csts, 667288eea45cSKlaus Jensen "attempted to set a read only bit" 667388eea45cSKlaus Jensen " of controller status"); 667488eea45cSKlaus Jensen } 667588eea45cSKlaus Jensen break; 6676a316aa50SKlaus Jensen case NVME_REG_NSSR: 667788eea45cSKlaus Jensen if (data == 0x4e564d65) { 667888eea45cSKlaus Jensen trace_pci_nvme_ub_mmiowr_ssreset_unsupported(); 667988eea45cSKlaus Jensen } else { 668088eea45cSKlaus Jensen /* The spec says that writes of other values have no effect */ 668188eea45cSKlaus Jensen return; 668288eea45cSKlaus Jensen } 668388eea45cSKlaus Jensen break; 6684a316aa50SKlaus Jensen case NVME_REG_AQA: 668549e03457SKlaus Jensen stl_le_p(&n->bar.aqa, data); 668688eea45cSKlaus Jensen trace_pci_nvme_mmio_aqattr(data & 0xffffffff); 668788eea45cSKlaus Jensen break; 6688a316aa50SKlaus Jensen case NVME_REG_ASQ: 668949e03457SKlaus Jensen stn_le_p(&n->bar.asq, size, data); 669088eea45cSKlaus Jensen trace_pci_nvme_mmio_asqaddr(data); 669188eea45cSKlaus Jensen break; 6692a316aa50SKlaus Jensen case NVME_REG_ASQ + 4: 669349e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.asq + 4, data); 669449e03457SKlaus Jensen trace_pci_nvme_mmio_asqaddr_hi(data, ldq_le_p(&n->bar.asq)); 669588eea45cSKlaus Jensen break; 6696a316aa50SKlaus Jensen case NVME_REG_ACQ: 669788eea45cSKlaus Jensen trace_pci_nvme_mmio_acqaddr(data); 669849e03457SKlaus Jensen stn_le_p(&n->bar.acq, size, data); 669988eea45cSKlaus Jensen break; 6700a316aa50SKlaus Jensen case NVME_REG_ACQ + 4: 670149e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.acq + 4, data); 670249e03457SKlaus Jensen trace_pci_nvme_mmio_acqaddr_hi(data, ldq_le_p(&n->bar.acq)); 670388eea45cSKlaus Jensen break; 6704a316aa50SKlaus Jensen case NVME_REG_CMBLOC: 670588eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_cmbloc_reserved, 670688eea45cSKlaus Jensen "invalid write to reserved CMBLOC" 670788eea45cSKlaus Jensen " when CMBSZ is zero, ignored"); 670888eea45cSKlaus Jensen return; 6709a316aa50SKlaus Jensen case NVME_REG_CMBSZ: 671088eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_cmbsz_readonly, 671188eea45cSKlaus Jensen "invalid write to read only CMBSZ, ignored"); 671288eea45cSKlaus Jensen return; 6713a316aa50SKlaus Jensen case NVME_REG_CMBMSC: 671449e03457SKlaus Jensen if (!NVME_CAP_CMBS(cap)) { 671588eea45cSKlaus Jensen return; 671688eea45cSKlaus Jensen } 671788eea45cSKlaus Jensen 671849e03457SKlaus Jensen stn_le_p(&n->bar.cmbmsc, size, data); 671988eea45cSKlaus Jensen n->cmb.cmse = false; 672088eea45cSKlaus Jensen 672188eea45cSKlaus Jensen if (NVME_CMBMSC_CRE(data)) { 672288eea45cSKlaus Jensen nvme_cmb_enable_regs(n); 672388eea45cSKlaus Jensen 672488eea45cSKlaus Jensen if (NVME_CMBMSC_CMSE(data)) { 672549e03457SKlaus Jensen uint64_t cmbmsc = ldq_le_p(&n->bar.cmbmsc); 672649e03457SKlaus Jensen hwaddr cba = NVME_CMBMSC_CBA(cmbmsc) << CMBMSC_CBA_SHIFT; 672788eea45cSKlaus Jensen if (cba + int128_get64(n->cmb.mem.size) < cba) { 672849e03457SKlaus Jensen uint32_t cmbsts = ldl_le_p(&n->bar.cmbsts); 672949e03457SKlaus Jensen NVME_CMBSTS_SET_CBAI(cmbsts, 1); 673049e03457SKlaus Jensen stl_le_p(&n->bar.cmbsts, cmbsts); 673188eea45cSKlaus Jensen return; 673288eea45cSKlaus Jensen } 673388eea45cSKlaus Jensen 673488eea45cSKlaus Jensen n->cmb.cba = cba; 673588eea45cSKlaus Jensen n->cmb.cmse = true; 673688eea45cSKlaus Jensen } 673788eea45cSKlaus Jensen } else { 673888eea45cSKlaus Jensen n->bar.cmbsz = 0; 673988eea45cSKlaus Jensen n->bar.cmbloc = 0; 674088eea45cSKlaus Jensen } 674188eea45cSKlaus Jensen 674288eea45cSKlaus Jensen return; 6743a316aa50SKlaus Jensen case NVME_REG_CMBMSC + 4: 674449e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.cmbmsc + 4, data); 674588eea45cSKlaus Jensen return; 674688eea45cSKlaus Jensen 6747a316aa50SKlaus Jensen case NVME_REG_PMRCAP: 674888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrcap_readonly, 674988eea45cSKlaus Jensen "invalid write to PMRCAP register, ignored"); 675088eea45cSKlaus Jensen return; 6751a316aa50SKlaus Jensen case NVME_REG_PMRCTL: 675249e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 67532b02aabcSKlaus Jensen return; 67542b02aabcSKlaus Jensen } 67552b02aabcSKlaus Jensen 675649e03457SKlaus Jensen stl_le_p(&n->bar.pmrctl, data); 675788eea45cSKlaus Jensen if (NVME_PMRCTL_EN(data)) { 675888eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, true); 675949e03457SKlaus Jensen pmrsts = 0; 676088eea45cSKlaus Jensen } else { 676188eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, false); 676249e03457SKlaus Jensen NVME_PMRSTS_SET_NRDY(pmrsts, 1); 676388eea45cSKlaus Jensen n->pmr.cmse = false; 676488eea45cSKlaus Jensen } 676549e03457SKlaus Jensen stl_le_p(&n->bar.pmrsts, pmrsts); 676688eea45cSKlaus Jensen return; 6767a316aa50SKlaus Jensen case NVME_REG_PMRSTS: 676888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrsts_readonly, 676988eea45cSKlaus Jensen "invalid write to PMRSTS register, ignored"); 677088eea45cSKlaus Jensen return; 6771a316aa50SKlaus Jensen case NVME_REG_PMREBS: 677288eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrebs_readonly, 677388eea45cSKlaus Jensen "invalid write to PMREBS register, ignored"); 677488eea45cSKlaus Jensen return; 6775a316aa50SKlaus Jensen case NVME_REG_PMRSWTP: 677688eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrswtp_readonly, 677788eea45cSKlaus Jensen "invalid write to PMRSWTP register, ignored"); 677888eea45cSKlaus Jensen return; 6779a316aa50SKlaus Jensen case NVME_REG_PMRMSCL: 678049e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 678188eea45cSKlaus Jensen return; 678288eea45cSKlaus Jensen } 678388eea45cSKlaus Jensen 678449e03457SKlaus Jensen stl_le_p(&n->bar.pmrmscl, data); 678588eea45cSKlaus Jensen n->pmr.cmse = false; 678688eea45cSKlaus Jensen 678749e03457SKlaus Jensen if (NVME_PMRMSCL_CMSE(data)) { 678849e03457SKlaus Jensen uint64_t pmrmscu = ldl_le_p(&n->bar.pmrmscu); 678949e03457SKlaus Jensen hwaddr cba = pmrmscu << 32 | 679049e03457SKlaus Jensen (NVME_PMRMSCL_CBA(data) << PMRMSCL_CBA_SHIFT); 679188eea45cSKlaus Jensen if (cba + int128_get64(n->pmr.dev->mr.size) < cba) { 679249e03457SKlaus Jensen NVME_PMRSTS_SET_CBAI(pmrsts, 1); 679349e03457SKlaus Jensen stl_le_p(&n->bar.pmrsts, pmrsts); 679488eea45cSKlaus Jensen return; 679588eea45cSKlaus Jensen } 679688eea45cSKlaus Jensen 679788eea45cSKlaus Jensen n->pmr.cmse = true; 679888eea45cSKlaus Jensen n->pmr.cba = cba; 679988eea45cSKlaus Jensen } 680088eea45cSKlaus Jensen 680188eea45cSKlaus Jensen return; 6802a316aa50SKlaus Jensen case NVME_REG_PMRMSCU: 680349e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 680488eea45cSKlaus Jensen return; 680588eea45cSKlaus Jensen } 680688eea45cSKlaus Jensen 680749e03457SKlaus Jensen stl_le_p(&n->bar.pmrmscu, data); 680888eea45cSKlaus Jensen return; 680988eea45cSKlaus Jensen default: 681088eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_invalid, 681188eea45cSKlaus Jensen "invalid MMIO write," 681288eea45cSKlaus Jensen " offset=0x%"PRIx64", data=%"PRIx64"", 681388eea45cSKlaus Jensen offset, data); 681488eea45cSKlaus Jensen break; 681588eea45cSKlaus Jensen } 681688eea45cSKlaus Jensen } 681788eea45cSKlaus Jensen 681888eea45cSKlaus Jensen static uint64_t nvme_mmio_read(void *opaque, hwaddr addr, unsigned size) 681988eea45cSKlaus Jensen { 682088eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 682188eea45cSKlaus Jensen uint8_t *ptr = (uint8_t *)&n->bar; 682288eea45cSKlaus Jensen 682388eea45cSKlaus Jensen trace_pci_nvme_mmio_read(addr, size); 682488eea45cSKlaus Jensen 682588eea45cSKlaus Jensen if (unlikely(addr & (sizeof(uint32_t) - 1))) { 682688eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_misaligned32, 682788eea45cSKlaus Jensen "MMIO read not 32-bit aligned," 682888eea45cSKlaus Jensen " offset=0x%"PRIx64"", addr); 682988eea45cSKlaus Jensen /* should RAZ, fall through for now */ 683088eea45cSKlaus Jensen } else if (unlikely(size < sizeof(uint32_t))) { 683188eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_toosmall, 683288eea45cSKlaus Jensen "MMIO read smaller than 32-bits," 683388eea45cSKlaus Jensen " offset=0x%"PRIx64"", addr); 683488eea45cSKlaus Jensen /* should RAZ, fall through for now */ 683588eea45cSKlaus Jensen } 683688eea45cSKlaus Jensen 68375029de44SKlaus Jensen if (addr > sizeof(n->bar) - size) { 68385029de44SKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_invalid_ofs, 68395029de44SKlaus Jensen "MMIO read beyond last register," 68405029de44SKlaus Jensen " offset=0x%"PRIx64", returning 0", addr); 68415029de44SKlaus Jensen 68425029de44SKlaus Jensen return 0; 68435029de44SKlaus Jensen } 68445029de44SKlaus Jensen 684548b32c28SKlaus Jensen if (pci_is_vf(PCI_DEVICE(n)) && !nvme_sctrl(n)->scs && 684611871f53SŁukasz Gieryk addr != NVME_REG_CSTS) { 684711871f53SŁukasz Gieryk trace_pci_nvme_err_ignored_mmio_vf_offline(addr, size); 684811871f53SŁukasz Gieryk return 0; 684911871f53SŁukasz Gieryk } 685011871f53SŁukasz Gieryk 685188eea45cSKlaus Jensen /* 685288eea45cSKlaus Jensen * When PMRWBM bit 1 is set then read from 685388eea45cSKlaus Jensen * from PMRSTS should ensure prior writes 685488eea45cSKlaus Jensen * made it to persistent media 685588eea45cSKlaus Jensen */ 6856a316aa50SKlaus Jensen if (addr == NVME_REG_PMRSTS && 685749e03457SKlaus Jensen (NVME_PMRCAP_PMRWBM(ldl_le_p(&n->bar.pmrcap)) & 0x02)) { 685888eea45cSKlaus Jensen memory_region_msync(&n->pmr.dev->mr, 0, n->pmr.dev->size); 685988eea45cSKlaus Jensen } 68605029de44SKlaus Jensen 686149e03457SKlaus Jensen return ldn_le_p(ptr + addr, size); 686288eea45cSKlaus Jensen } 686388eea45cSKlaus Jensen 686488eea45cSKlaus Jensen static void nvme_process_db(NvmeCtrl *n, hwaddr addr, int val) 686588eea45cSKlaus Jensen { 686648b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 686788eea45cSKlaus Jensen uint32_t qid; 686888eea45cSKlaus Jensen 686988eea45cSKlaus Jensen if (unlikely(addr & ((1 << 2) - 1))) { 687088eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_misaligned, 687188eea45cSKlaus Jensen "doorbell write not 32-bit aligned," 687288eea45cSKlaus Jensen " offset=0x%"PRIx64", ignoring", addr); 687388eea45cSKlaus Jensen return; 687488eea45cSKlaus Jensen } 687588eea45cSKlaus Jensen 687688eea45cSKlaus Jensen if (((addr - 0x1000) >> 2) & 1) { 687788eea45cSKlaus Jensen /* Completion queue doorbell write */ 687888eea45cSKlaus Jensen 687988eea45cSKlaus Jensen uint16_t new_head = val & 0xffff; 688088eea45cSKlaus Jensen int start_sqs; 688188eea45cSKlaus Jensen NvmeCQueue *cq; 688288eea45cSKlaus Jensen 688388eea45cSKlaus Jensen qid = (addr - (0x1000 + (1 << 2))) >> 3; 688488eea45cSKlaus Jensen if (unlikely(nvme_check_cqid(n, qid))) { 688588eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_cq, 688688eea45cSKlaus Jensen "completion queue doorbell write" 688788eea45cSKlaus Jensen " for nonexistent queue," 688888eea45cSKlaus Jensen " sqid=%"PRIu32", ignoring", qid); 688988eea45cSKlaus Jensen 689088eea45cSKlaus Jensen /* 689188eea45cSKlaus Jensen * NVM Express v1.3d, Section 4.1 state: "If host software writes 689288eea45cSKlaus Jensen * an invalid value to the Submission Queue Tail Doorbell or 689388eea45cSKlaus Jensen * Completion Queue Head Doorbell regiter and an Asynchronous Event 689488eea45cSKlaus Jensen * Request command is outstanding, then an asynchronous event is 689588eea45cSKlaus Jensen * posted to the Admin Completion Queue with a status code of 689688eea45cSKlaus Jensen * Invalid Doorbell Write Value." 689788eea45cSKlaus Jensen * 689888eea45cSKlaus Jensen * Also note that the spec includes the "Invalid Doorbell Register" 689988eea45cSKlaus Jensen * status code, but nowhere does it specify when to use it. 690088eea45cSKlaus Jensen * However, it seems reasonable to use it here in a similar 690188eea45cSKlaus Jensen * fashion. 690288eea45cSKlaus Jensen */ 690388eea45cSKlaus Jensen if (n->outstanding_aers) { 690488eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 690588eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_REGISTER, 690688eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 690788eea45cSKlaus Jensen } 690888eea45cSKlaus Jensen 690988eea45cSKlaus Jensen return; 691088eea45cSKlaus Jensen } 691188eea45cSKlaus Jensen 691288eea45cSKlaus Jensen cq = n->cq[qid]; 691388eea45cSKlaus Jensen if (unlikely(new_head >= cq->size)) { 691488eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_cqhead, 691588eea45cSKlaus Jensen "completion queue doorbell write value" 691688eea45cSKlaus Jensen " beyond queue size, sqid=%"PRIu32"," 691788eea45cSKlaus Jensen " new_head=%"PRIu16", ignoring", 691888eea45cSKlaus Jensen qid, new_head); 691988eea45cSKlaus Jensen 692088eea45cSKlaus Jensen if (n->outstanding_aers) { 692188eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 692288eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_VALUE, 692388eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 692488eea45cSKlaus Jensen } 692588eea45cSKlaus Jensen 692688eea45cSKlaus Jensen return; 692788eea45cSKlaus Jensen } 692888eea45cSKlaus Jensen 692988eea45cSKlaus Jensen trace_pci_nvme_mmio_doorbell_cq(cq->cqid, new_head); 693088eea45cSKlaus Jensen 693188eea45cSKlaus Jensen start_sqs = nvme_cq_full(cq) ? 1 : 0; 693288eea45cSKlaus Jensen cq->head = new_head; 69333f7fe8deSJinhao Fan if (!qid && n->dbbuf_enabled) { 693448b32c28SKlaus Jensen pci_dma_write(pci, cq->db_addr, &cq->head, sizeof(cq->head)); 69353f7fe8deSJinhao Fan } 693688eea45cSKlaus Jensen if (start_sqs) { 693788eea45cSKlaus Jensen NvmeSQueue *sq; 693888eea45cSKlaus Jensen QTAILQ_FOREACH(sq, &cq->sq_list, entry) { 6939d38cc6fdSKlaus Jensen qemu_bh_schedule(sq->bh); 694088eea45cSKlaus Jensen } 6941d38cc6fdSKlaus Jensen qemu_bh_schedule(cq->bh); 694288eea45cSKlaus Jensen } 694388eea45cSKlaus Jensen 694488eea45cSKlaus Jensen if (cq->tail == cq->head) { 694583d7ed5cSKlaus Jensen if (cq->irq_enabled) { 694683d7ed5cSKlaus Jensen n->cq_pending--; 694783d7ed5cSKlaus Jensen } 694883d7ed5cSKlaus Jensen 694988eea45cSKlaus Jensen nvme_irq_deassert(n, cq); 695088eea45cSKlaus Jensen } 695188eea45cSKlaus Jensen } else { 695288eea45cSKlaus Jensen /* Submission queue doorbell write */ 695388eea45cSKlaus Jensen 695488eea45cSKlaus Jensen uint16_t new_tail = val & 0xffff; 695588eea45cSKlaus Jensen NvmeSQueue *sq; 695688eea45cSKlaus Jensen 695788eea45cSKlaus Jensen qid = (addr - 0x1000) >> 3; 695888eea45cSKlaus Jensen if (unlikely(nvme_check_sqid(n, qid))) { 695988eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_sq, 696088eea45cSKlaus Jensen "submission queue doorbell write" 696188eea45cSKlaus Jensen " for nonexistent queue," 696288eea45cSKlaus Jensen " sqid=%"PRIu32", ignoring", qid); 696388eea45cSKlaus Jensen 696488eea45cSKlaus Jensen if (n->outstanding_aers) { 696588eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 696688eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_REGISTER, 696788eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 696888eea45cSKlaus Jensen } 696988eea45cSKlaus Jensen 697088eea45cSKlaus Jensen return; 697188eea45cSKlaus Jensen } 697288eea45cSKlaus Jensen 697388eea45cSKlaus Jensen sq = n->sq[qid]; 697488eea45cSKlaus Jensen if (unlikely(new_tail >= sq->size)) { 697588eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_sqtail, 697688eea45cSKlaus Jensen "submission queue doorbell write value" 697788eea45cSKlaus Jensen " beyond queue size, sqid=%"PRIu32"," 697888eea45cSKlaus Jensen " new_tail=%"PRIu16", ignoring", 697988eea45cSKlaus Jensen qid, new_tail); 698088eea45cSKlaus Jensen 698188eea45cSKlaus Jensen if (n->outstanding_aers) { 698288eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 698388eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_VALUE, 698488eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 698588eea45cSKlaus Jensen } 698688eea45cSKlaus Jensen 698788eea45cSKlaus Jensen return; 698888eea45cSKlaus Jensen } 698988eea45cSKlaus Jensen 699088eea45cSKlaus Jensen trace_pci_nvme_mmio_doorbell_sq(sq->sqid, new_tail); 699188eea45cSKlaus Jensen 699288eea45cSKlaus Jensen sq->tail = new_tail; 69933f7fe8deSJinhao Fan if (!qid && n->dbbuf_enabled) { 69943f7fe8deSJinhao Fan /* 69953f7fe8deSJinhao Fan * The spec states "the host shall also update the controller's 69963f7fe8deSJinhao Fan * corresponding doorbell property to match the value of that entry 69973f7fe8deSJinhao Fan * in the Shadow Doorbell buffer." 69983f7fe8deSJinhao Fan * 69993f7fe8deSJinhao Fan * Since this context is currently a VM trap, we can safely enforce 70003f7fe8deSJinhao Fan * the requirement from the device side in case the host is 70013f7fe8deSJinhao Fan * misbehaving. 70023f7fe8deSJinhao Fan * 70033f7fe8deSJinhao Fan * Note, we shouldn't have to do this, but various drivers 70043f7fe8deSJinhao Fan * including ones that run on Linux, are not updating Admin Queues, 70053f7fe8deSJinhao Fan * so we can't trust reading it for an appropriate sq tail. 70063f7fe8deSJinhao Fan */ 700748b32c28SKlaus Jensen pci_dma_write(pci, sq->db_addr, &sq->tail, sizeof(sq->tail)); 70083f7fe8deSJinhao Fan } 7009d38cc6fdSKlaus Jensen 7010d38cc6fdSKlaus Jensen qemu_bh_schedule(sq->bh); 701188eea45cSKlaus Jensen } 701288eea45cSKlaus Jensen } 701388eea45cSKlaus Jensen 701488eea45cSKlaus Jensen static void nvme_mmio_write(void *opaque, hwaddr addr, uint64_t data, 701588eea45cSKlaus Jensen unsigned size) 701688eea45cSKlaus Jensen { 701788eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 701888eea45cSKlaus Jensen 701988eea45cSKlaus Jensen trace_pci_nvme_mmio_write(addr, data, size); 702088eea45cSKlaus Jensen 702148b32c28SKlaus Jensen if (pci_is_vf(PCI_DEVICE(n)) && !nvme_sctrl(n)->scs && 702211871f53SŁukasz Gieryk addr != NVME_REG_CSTS) { 702311871f53SŁukasz Gieryk trace_pci_nvme_err_ignored_mmio_vf_offline(addr, size); 702411871f53SŁukasz Gieryk return; 702511871f53SŁukasz Gieryk } 702611871f53SŁukasz Gieryk 702788eea45cSKlaus Jensen if (addr < sizeof(n->bar)) { 702888eea45cSKlaus Jensen nvme_write_bar(n, addr, data, size); 702988eea45cSKlaus Jensen } else { 703088eea45cSKlaus Jensen nvme_process_db(n, addr, data); 703188eea45cSKlaus Jensen } 703288eea45cSKlaus Jensen } 703388eea45cSKlaus Jensen 703488eea45cSKlaus Jensen static const MemoryRegionOps nvme_mmio_ops = { 703588eea45cSKlaus Jensen .read = nvme_mmio_read, 703688eea45cSKlaus Jensen .write = nvme_mmio_write, 703788eea45cSKlaus Jensen .endianness = DEVICE_LITTLE_ENDIAN, 703888eea45cSKlaus Jensen .impl = { 703988eea45cSKlaus Jensen .min_access_size = 2, 704088eea45cSKlaus Jensen .max_access_size = 8, 704188eea45cSKlaus Jensen }, 704288eea45cSKlaus Jensen }; 704388eea45cSKlaus Jensen 704488eea45cSKlaus Jensen static void nvme_cmb_write(void *opaque, hwaddr addr, uint64_t data, 704588eea45cSKlaus Jensen unsigned size) 704688eea45cSKlaus Jensen { 704788eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 704888eea45cSKlaus Jensen stn_le_p(&n->cmb.buf[addr], size, data); 704988eea45cSKlaus Jensen } 705088eea45cSKlaus Jensen 705188eea45cSKlaus Jensen static uint64_t nvme_cmb_read(void *opaque, hwaddr addr, unsigned size) 705288eea45cSKlaus Jensen { 705388eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 705488eea45cSKlaus Jensen return ldn_le_p(&n->cmb.buf[addr], size); 705588eea45cSKlaus Jensen } 705688eea45cSKlaus Jensen 705788eea45cSKlaus Jensen static const MemoryRegionOps nvme_cmb_ops = { 705888eea45cSKlaus Jensen .read = nvme_cmb_read, 705988eea45cSKlaus Jensen .write = nvme_cmb_write, 706088eea45cSKlaus Jensen .endianness = DEVICE_LITTLE_ENDIAN, 706188eea45cSKlaus Jensen .impl = { 706288eea45cSKlaus Jensen .min_access_size = 1, 706388eea45cSKlaus Jensen .max_access_size = 8, 706488eea45cSKlaus Jensen }, 706588eea45cSKlaus Jensen }; 706688eea45cSKlaus Jensen 7067784fd353SKlaus Jensen static bool nvme_check_params(NvmeCtrl *n, Error **errp) 706888eea45cSKlaus Jensen { 706988eea45cSKlaus Jensen NvmeParams *params = &n->params; 707088eea45cSKlaus Jensen 707188eea45cSKlaus Jensen if (params->num_queues) { 707288eea45cSKlaus Jensen warn_report("num_queues is deprecated; please use max_ioqpairs " 707388eea45cSKlaus Jensen "instead"); 707488eea45cSKlaus Jensen 707588eea45cSKlaus Jensen params->max_ioqpairs = params->num_queues - 1; 707688eea45cSKlaus Jensen } 707788eea45cSKlaus Jensen 707888eea45cSKlaus Jensen if (n->namespace.blkconf.blk && n->subsys) { 707988eea45cSKlaus Jensen error_setg(errp, "subsystem support is unavailable with legacy " 708088eea45cSKlaus Jensen "namespace ('drive' property)"); 7081784fd353SKlaus Jensen return false; 708288eea45cSKlaus Jensen } 708388eea45cSKlaus Jensen 708488eea45cSKlaus Jensen if (params->max_ioqpairs < 1 || 708588eea45cSKlaus Jensen params->max_ioqpairs > NVME_MAX_IOQPAIRS) { 708688eea45cSKlaus Jensen error_setg(errp, "max_ioqpairs must be between 1 and %d", 708788eea45cSKlaus Jensen NVME_MAX_IOQPAIRS); 7088784fd353SKlaus Jensen return false; 708988eea45cSKlaus Jensen } 709088eea45cSKlaus Jensen 709188eea45cSKlaus Jensen if (params->msix_qsize < 1 || 709288eea45cSKlaus Jensen params->msix_qsize > PCI_MSIX_FLAGS_QSIZE + 1) { 709388eea45cSKlaus Jensen error_setg(errp, "msix_qsize must be between 1 and %d", 709488eea45cSKlaus Jensen PCI_MSIX_FLAGS_QSIZE + 1); 7095784fd353SKlaus Jensen return false; 709688eea45cSKlaus Jensen } 709788eea45cSKlaus Jensen 709888eea45cSKlaus Jensen if (!params->serial) { 709988eea45cSKlaus Jensen error_setg(errp, "serial property not set"); 7100784fd353SKlaus Jensen return false; 710188eea45cSKlaus Jensen } 710288eea45cSKlaus Jensen 710388eea45cSKlaus Jensen if (n->pmr.dev) { 710488eea45cSKlaus Jensen if (host_memory_backend_is_mapped(n->pmr.dev)) { 710588eea45cSKlaus Jensen error_setg(errp, "can't use already busy memdev: %s", 710688eea45cSKlaus Jensen object_get_canonical_path_component(OBJECT(n->pmr.dev))); 7107784fd353SKlaus Jensen return false; 710888eea45cSKlaus Jensen } 710988eea45cSKlaus Jensen 711088eea45cSKlaus Jensen if (!is_power_of_2(n->pmr.dev->size)) { 711188eea45cSKlaus Jensen error_setg(errp, "pmr backend size needs to be power of 2 in size"); 7112784fd353SKlaus Jensen return false; 711388eea45cSKlaus Jensen } 711488eea45cSKlaus Jensen 711588eea45cSKlaus Jensen host_memory_backend_set_mapped(n->pmr.dev, true); 711688eea45cSKlaus Jensen } 711788eea45cSKlaus Jensen 711888eea45cSKlaus Jensen if (n->params.zasl > n->params.mdts) { 711988eea45cSKlaus Jensen error_setg(errp, "zoned.zasl (Zone Append Size Limit) must be less " 712088eea45cSKlaus Jensen "than or equal to mdts (Maximum Data Transfer Size)"); 7121784fd353SKlaus Jensen return false; 712288eea45cSKlaus Jensen } 712388eea45cSKlaus Jensen 712488eea45cSKlaus Jensen if (!n->params.vsl) { 712588eea45cSKlaus Jensen error_setg(errp, "vsl must be non-zero"); 7126784fd353SKlaus Jensen return false; 712788eea45cSKlaus Jensen } 712844c2c094SLukasz Maniak 712944c2c094SLukasz Maniak if (params->sriov_max_vfs) { 713044c2c094SLukasz Maniak if (!n->subsys) { 713144c2c094SLukasz Maniak error_setg(errp, "subsystem is required for the use of SR-IOV"); 7132784fd353SKlaus Jensen return false; 713344c2c094SLukasz Maniak } 713444c2c094SLukasz Maniak 713544c2c094SLukasz Maniak if (params->sriov_max_vfs > NVME_MAX_VFS) { 713644c2c094SLukasz Maniak error_setg(errp, "sriov_max_vfs must be between 0 and %d", 713744c2c094SLukasz Maniak NVME_MAX_VFS); 7138784fd353SKlaus Jensen return false; 713944c2c094SLukasz Maniak } 714044c2c094SLukasz Maniak 714144c2c094SLukasz Maniak if (params->cmb_size_mb) { 714244c2c094SLukasz Maniak error_setg(errp, "CMB is not supported with SR-IOV"); 7143784fd353SKlaus Jensen return false; 714444c2c094SLukasz Maniak } 714544c2c094SLukasz Maniak 714644c2c094SLukasz Maniak if (n->pmr.dev) { 714744c2c094SLukasz Maniak error_setg(errp, "PMR is not supported with SR-IOV"); 7148784fd353SKlaus Jensen return false; 714944c2c094SLukasz Maniak } 7150746d42b1SŁukasz Gieryk 7151746d42b1SŁukasz Gieryk if (!params->sriov_vq_flexible || !params->sriov_vi_flexible) { 7152746d42b1SŁukasz Gieryk error_setg(errp, "both sriov_vq_flexible and sriov_vi_flexible" 7153746d42b1SŁukasz Gieryk " must be set for the use of SR-IOV"); 7154784fd353SKlaus Jensen return false; 7155746d42b1SŁukasz Gieryk } 7156746d42b1SŁukasz Gieryk 7157746d42b1SŁukasz Gieryk if (params->sriov_vq_flexible < params->sriov_max_vfs * 2) { 7158746d42b1SŁukasz Gieryk error_setg(errp, "sriov_vq_flexible must be greater than or equal" 7159746d42b1SŁukasz Gieryk " to %d (sriov_max_vfs * 2)", params->sriov_max_vfs * 2); 7160784fd353SKlaus Jensen return false; 7161746d42b1SŁukasz Gieryk } 7162746d42b1SŁukasz Gieryk 7163746d42b1SŁukasz Gieryk if (params->max_ioqpairs < params->sriov_vq_flexible + 2) { 7164746d42b1SŁukasz Gieryk error_setg(errp, "(max_ioqpairs - sriov_vq_flexible) must be" 7165746d42b1SŁukasz Gieryk " greater than or equal to 2"); 7166784fd353SKlaus Jensen return false; 7167746d42b1SŁukasz Gieryk } 7168746d42b1SŁukasz Gieryk 7169746d42b1SŁukasz Gieryk if (params->sriov_vi_flexible < params->sriov_max_vfs) { 7170746d42b1SŁukasz Gieryk error_setg(errp, "sriov_vi_flexible must be greater than or equal" 7171746d42b1SŁukasz Gieryk " to %d (sriov_max_vfs)", params->sriov_max_vfs); 7172784fd353SKlaus Jensen return false; 7173746d42b1SŁukasz Gieryk } 7174746d42b1SŁukasz Gieryk 7175746d42b1SŁukasz Gieryk if (params->msix_qsize < params->sriov_vi_flexible + 1) { 7176746d42b1SŁukasz Gieryk error_setg(errp, "(msix_qsize - sriov_vi_flexible) must be" 7177746d42b1SŁukasz Gieryk " greater than or equal to 1"); 7178784fd353SKlaus Jensen return false; 7179746d42b1SŁukasz Gieryk } 7180746d42b1SŁukasz Gieryk 7181746d42b1SŁukasz Gieryk if (params->sriov_max_vi_per_vf && 7182746d42b1SŁukasz Gieryk (params->sriov_max_vi_per_vf - 1) % NVME_VF_RES_GRANULARITY) { 7183746d42b1SŁukasz Gieryk error_setg(errp, "sriov_max_vi_per_vf must meet:" 7184746d42b1SŁukasz Gieryk " (sriov_max_vi_per_vf - 1) %% %d == 0 and" 7185746d42b1SŁukasz Gieryk " sriov_max_vi_per_vf >= 1", NVME_VF_RES_GRANULARITY); 7186784fd353SKlaus Jensen return false; 7187746d42b1SŁukasz Gieryk } 7188746d42b1SŁukasz Gieryk 7189746d42b1SŁukasz Gieryk if (params->sriov_max_vq_per_vf && 7190746d42b1SŁukasz Gieryk (params->sriov_max_vq_per_vf < 2 || 7191746d42b1SŁukasz Gieryk (params->sriov_max_vq_per_vf - 1) % NVME_VF_RES_GRANULARITY)) { 7192746d42b1SŁukasz Gieryk error_setg(errp, "sriov_max_vq_per_vf must meet:" 7193746d42b1SŁukasz Gieryk " (sriov_max_vq_per_vf - 1) %% %d == 0 and" 7194746d42b1SŁukasz Gieryk " sriov_max_vq_per_vf >= 2", NVME_VF_RES_GRANULARITY); 7195784fd353SKlaus Jensen return false; 7196746d42b1SŁukasz Gieryk } 719744c2c094SLukasz Maniak } 7198784fd353SKlaus Jensen 7199784fd353SKlaus Jensen return true; 720088eea45cSKlaus Jensen } 720188eea45cSKlaus Jensen 720288eea45cSKlaus Jensen static void nvme_init_state(NvmeCtrl *n) 720388eea45cSKlaus Jensen { 72045e6f963fSLukasz Maniak NvmePriCtrlCap *cap = &n->pri_ctrl_cap; 720599f48ae7SLukasz Maniak NvmeSecCtrlList *list = &n->sec_ctrl_list; 720699f48ae7SLukasz Maniak NvmeSecCtrlEntry *sctrl; 720748b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 7208746d42b1SŁukasz Gieryk uint8_t max_vfs; 720999f48ae7SLukasz Maniak int i; 72105e6f963fSLukasz Maniak 721148b32c28SKlaus Jensen if (pci_is_vf(pci)) { 7212746d42b1SŁukasz Gieryk sctrl = nvme_sctrl(n); 7213746d42b1SŁukasz Gieryk max_vfs = 0; 7214746d42b1SŁukasz Gieryk n->conf_ioqpairs = sctrl->nvq ? le16_to_cpu(sctrl->nvq) - 1 : 0; 7215746d42b1SŁukasz Gieryk n->conf_msix_qsize = sctrl->nvi ? le16_to_cpu(sctrl->nvi) : 1; 7216746d42b1SŁukasz Gieryk } else { 7217746d42b1SŁukasz Gieryk max_vfs = n->params.sriov_max_vfs; 7218decc0261SŁukasz Gieryk n->conf_ioqpairs = n->params.max_ioqpairs; 7219decc0261SŁukasz Gieryk n->conf_msix_qsize = n->params.msix_qsize; 7220746d42b1SŁukasz Gieryk } 7221decc0261SŁukasz Gieryk 722288eea45cSKlaus Jensen n->sq = g_new0(NvmeSQueue *, n->params.max_ioqpairs + 1); 722388eea45cSKlaus Jensen n->cq = g_new0(NvmeCQueue *, n->params.max_ioqpairs + 1); 722488eea45cSKlaus Jensen n->temperature = NVME_TEMPERATURE; 722588eea45cSKlaus Jensen n->features.temp_thresh_hi = NVME_TEMPERATURE_WARNING; 722688eea45cSKlaus Jensen n->starttime_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 722788eea45cSKlaus Jensen n->aer_reqs = g_new0(NvmeRequest *, n->params.aerl + 1); 7228b7698b91SŁukasz Gieryk QTAILQ_INIT(&n->aer_queue); 72295e6f963fSLukasz Maniak 7230746d42b1SŁukasz Gieryk list->numcntl = cpu_to_le16(max_vfs); 7231746d42b1SŁukasz Gieryk for (i = 0; i < max_vfs; i++) { 723299f48ae7SLukasz Maniak sctrl = &list->sec[i]; 723399f48ae7SLukasz Maniak sctrl->pcid = cpu_to_le16(n->cntlid); 723499f48ae7SLukasz Maniak sctrl->vfn = cpu_to_le16(i + 1); 723599f48ae7SLukasz Maniak } 723699f48ae7SLukasz Maniak 72375e6f963fSLukasz Maniak cap->cntlid = cpu_to_le16(n->cntlid); 7238746d42b1SŁukasz Gieryk cap->crt = NVME_CRT_VQ | NVME_CRT_VI; 7239746d42b1SŁukasz Gieryk 724048b32c28SKlaus Jensen if (pci_is_vf(pci)) { 7241746d42b1SŁukasz Gieryk cap->vqprt = cpu_to_le16(1 + n->conf_ioqpairs); 7242746d42b1SŁukasz Gieryk } else { 7243746d42b1SŁukasz Gieryk cap->vqprt = cpu_to_le16(1 + n->params.max_ioqpairs - 7244746d42b1SŁukasz Gieryk n->params.sriov_vq_flexible); 7245746d42b1SŁukasz Gieryk cap->vqfrt = cpu_to_le32(n->params.sriov_vq_flexible); 7246746d42b1SŁukasz Gieryk cap->vqrfap = cap->vqfrt; 7247746d42b1SŁukasz Gieryk cap->vqgran = cpu_to_le16(NVME_VF_RES_GRANULARITY); 7248746d42b1SŁukasz Gieryk cap->vqfrsm = n->params.sriov_max_vq_per_vf ? 7249746d42b1SŁukasz Gieryk cpu_to_le16(n->params.sriov_max_vq_per_vf) : 7250746d42b1SŁukasz Gieryk cap->vqfrt / MAX(max_vfs, 1); 7251746d42b1SŁukasz Gieryk } 7252746d42b1SŁukasz Gieryk 725348b32c28SKlaus Jensen if (pci_is_vf(pci)) { 7254746d42b1SŁukasz Gieryk cap->viprt = cpu_to_le16(n->conf_msix_qsize); 7255746d42b1SŁukasz Gieryk } else { 7256746d42b1SŁukasz Gieryk cap->viprt = cpu_to_le16(n->params.msix_qsize - 7257746d42b1SŁukasz Gieryk n->params.sriov_vi_flexible); 7258746d42b1SŁukasz Gieryk cap->vifrt = cpu_to_le32(n->params.sriov_vi_flexible); 7259746d42b1SŁukasz Gieryk cap->virfap = cap->vifrt; 7260746d42b1SŁukasz Gieryk cap->vigran = cpu_to_le16(NVME_VF_RES_GRANULARITY); 7261746d42b1SŁukasz Gieryk cap->vifrsm = n->params.sriov_max_vi_per_vf ? 7262746d42b1SŁukasz Gieryk cpu_to_le16(n->params.sriov_max_vi_per_vf) : 7263746d42b1SŁukasz Gieryk cap->vifrt / MAX(max_vfs, 1); 7264746d42b1SŁukasz Gieryk } 726588eea45cSKlaus Jensen } 726688eea45cSKlaus Jensen 726788eea45cSKlaus Jensen static void nvme_init_cmb(NvmeCtrl *n, PCIDevice *pci_dev) 726888eea45cSKlaus Jensen { 726988eea45cSKlaus Jensen uint64_t cmb_size = n->params.cmb_size_mb * MiB; 727049e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 727188eea45cSKlaus Jensen 727288eea45cSKlaus Jensen n->cmb.buf = g_malloc0(cmb_size); 727388eea45cSKlaus Jensen memory_region_init_io(&n->cmb.mem, OBJECT(n), &nvme_cmb_ops, n, 727488eea45cSKlaus Jensen "nvme-cmb", cmb_size); 727588eea45cSKlaus Jensen pci_register_bar(pci_dev, NVME_CMB_BIR, 727688eea45cSKlaus Jensen PCI_BASE_ADDRESS_SPACE_MEMORY | 727788eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64 | 727888eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_PREFETCH, &n->cmb.mem); 727988eea45cSKlaus Jensen 728049e03457SKlaus Jensen NVME_CAP_SET_CMBS(cap, 1); 728149e03457SKlaus Jensen stq_le_p(&n->bar.cap, cap); 728288eea45cSKlaus Jensen 728388eea45cSKlaus Jensen if (n->params.legacy_cmb) { 728488eea45cSKlaus Jensen nvme_cmb_enable_regs(n); 728588eea45cSKlaus Jensen n->cmb.cmse = true; 728688eea45cSKlaus Jensen } 728788eea45cSKlaus Jensen } 728888eea45cSKlaus Jensen 728988eea45cSKlaus Jensen static void nvme_init_pmr(NvmeCtrl *n, PCIDevice *pci_dev) 729088eea45cSKlaus Jensen { 729149e03457SKlaus Jensen uint32_t pmrcap = ldl_le_p(&n->bar.pmrcap); 729288eea45cSKlaus Jensen 729349e03457SKlaus Jensen NVME_PMRCAP_SET_RDS(pmrcap, 1); 729449e03457SKlaus Jensen NVME_PMRCAP_SET_WDS(pmrcap, 1); 729549e03457SKlaus Jensen NVME_PMRCAP_SET_BIR(pmrcap, NVME_PMR_BIR); 729649e03457SKlaus Jensen /* Turn on bit 1 support */ 729749e03457SKlaus Jensen NVME_PMRCAP_SET_PMRWBM(pmrcap, 0x02); 729849e03457SKlaus Jensen NVME_PMRCAP_SET_CMSS(pmrcap, 1); 729949e03457SKlaus Jensen stl_le_p(&n->bar.pmrcap, pmrcap); 730049e03457SKlaus Jensen 730149e03457SKlaus Jensen pci_register_bar(pci_dev, NVME_PMR_BIR, 730288eea45cSKlaus Jensen PCI_BASE_ADDRESS_SPACE_MEMORY | 730388eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64 | 730488eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_PREFETCH, &n->pmr.dev->mr); 730588eea45cSKlaus Jensen 730688eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, false); 730788eea45cSKlaus Jensen } 730888eea45cSKlaus Jensen 7309aa817713SŁukasz Gieryk static uint64_t nvme_bar_size(unsigned total_queues, unsigned total_irqs, 7310aa817713SŁukasz Gieryk unsigned *msix_table_offset, 7311aa817713SŁukasz Gieryk unsigned *msix_pba_offset) 7312aa817713SŁukasz Gieryk { 7313aa817713SŁukasz Gieryk uint64_t bar_size, msix_table_size, msix_pba_size; 7314aa817713SŁukasz Gieryk 7315aa817713SŁukasz Gieryk bar_size = sizeof(NvmeBar) + 2 * total_queues * NVME_DB_SIZE; 7316aa817713SŁukasz Gieryk bar_size = QEMU_ALIGN_UP(bar_size, 4 * KiB); 7317aa817713SŁukasz Gieryk 7318aa817713SŁukasz Gieryk if (msix_table_offset) { 7319aa817713SŁukasz Gieryk *msix_table_offset = bar_size; 7320aa817713SŁukasz Gieryk } 7321aa817713SŁukasz Gieryk 7322aa817713SŁukasz Gieryk msix_table_size = PCI_MSIX_ENTRY_SIZE * total_irqs; 7323aa817713SŁukasz Gieryk bar_size += msix_table_size; 7324aa817713SŁukasz Gieryk bar_size = QEMU_ALIGN_UP(bar_size, 4 * KiB); 7325aa817713SŁukasz Gieryk 7326aa817713SŁukasz Gieryk if (msix_pba_offset) { 7327aa817713SŁukasz Gieryk *msix_pba_offset = bar_size; 7328aa817713SŁukasz Gieryk } 7329aa817713SŁukasz Gieryk 7330aa817713SŁukasz Gieryk msix_pba_size = QEMU_ALIGN_UP(total_irqs, 64) / 8; 7331aa817713SŁukasz Gieryk bar_size += msix_pba_size; 7332aa817713SŁukasz Gieryk 7333aa817713SŁukasz Gieryk bar_size = pow2ceil(bar_size); 7334aa817713SŁukasz Gieryk return bar_size; 7335aa817713SŁukasz Gieryk } 7336aa817713SŁukasz Gieryk 7337746d42b1SŁukasz Gieryk static void nvme_init_sriov(NvmeCtrl *n, PCIDevice *pci_dev, uint16_t offset) 733844c2c094SLukasz Maniak { 733944c2c094SLukasz Maniak uint16_t vf_dev_id = n->params.use_intel_id ? 734044c2c094SLukasz Maniak PCI_DEVICE_ID_INTEL_NVME : PCI_DEVICE_ID_REDHAT_NVME; 7341746d42b1SŁukasz Gieryk NvmePriCtrlCap *cap = &n->pri_ctrl_cap; 7342746d42b1SŁukasz Gieryk uint64_t bar_size = nvme_bar_size(le16_to_cpu(cap->vqfrsm), 7343746d42b1SŁukasz Gieryk le16_to_cpu(cap->vifrsm), 7344746d42b1SŁukasz Gieryk NULL, NULL); 734544c2c094SLukasz Maniak 734644c2c094SLukasz Maniak pcie_sriov_pf_init(pci_dev, offset, "nvme", vf_dev_id, 734744c2c094SLukasz Maniak n->params.sriov_max_vfs, n->params.sriov_max_vfs, 734844c2c094SLukasz Maniak NVME_VF_OFFSET, NVME_VF_STRIDE); 734944c2c094SLukasz Maniak 735044c2c094SLukasz Maniak pcie_sriov_pf_init_vf_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY | 735144c2c094SLukasz Maniak PCI_BASE_ADDRESS_MEM_TYPE_64, bar_size); 735244c2c094SLukasz Maniak } 735344c2c094SLukasz Maniak 73541e9c685eSŁukasz Gieryk static int nvme_add_pm_capability(PCIDevice *pci_dev, uint8_t offset) 73551e9c685eSŁukasz Gieryk { 73561e9c685eSŁukasz Gieryk Error *err = NULL; 73571e9c685eSŁukasz Gieryk int ret; 73581e9c685eSŁukasz Gieryk 73591e9c685eSŁukasz Gieryk ret = pci_add_capability(pci_dev, PCI_CAP_ID_PM, offset, 73601e9c685eSŁukasz Gieryk PCI_PM_SIZEOF, &err); 73611e9c685eSŁukasz Gieryk if (err) { 73621e9c685eSŁukasz Gieryk error_report_err(err); 73631e9c685eSŁukasz Gieryk return ret; 73641e9c685eSŁukasz Gieryk } 73651e9c685eSŁukasz Gieryk 73661e9c685eSŁukasz Gieryk pci_set_word(pci_dev->config + offset + PCI_PM_PMC, 73671e9c685eSŁukasz Gieryk PCI_PM_CAP_VER_1_2); 73681e9c685eSŁukasz Gieryk pci_set_word(pci_dev->config + offset + PCI_PM_CTRL, 73691e9c685eSŁukasz Gieryk PCI_PM_CTRL_NO_SOFT_RESET); 73701e9c685eSŁukasz Gieryk pci_set_word(pci_dev->wmask + offset + PCI_PM_CTRL, 73711e9c685eSŁukasz Gieryk PCI_PM_CTRL_STATE_MASK); 73721e9c685eSŁukasz Gieryk 73731e9c685eSŁukasz Gieryk return 0; 73741e9c685eSŁukasz Gieryk } 73751e9c685eSŁukasz Gieryk 7376973f76cfSKlaus Jensen static bool nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev, Error **errp) 737788eea45cSKlaus Jensen { 7378973f76cfSKlaus Jensen ERRP_GUARD(); 737988eea45cSKlaus Jensen uint8_t *pci_conf = pci_dev->config; 7380aa817713SŁukasz Gieryk uint64_t bar_size; 738188eea45cSKlaus Jensen unsigned msix_table_offset, msix_pba_offset; 738288eea45cSKlaus Jensen int ret; 738388eea45cSKlaus Jensen 738488eea45cSKlaus Jensen pci_conf[PCI_INTERRUPT_PIN] = 1; 738588eea45cSKlaus Jensen pci_config_set_prog_interface(pci_conf, 0x2); 738688eea45cSKlaus Jensen 738788eea45cSKlaus Jensen if (n->params.use_intel_id) { 738888eea45cSKlaus Jensen pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL); 738944c2c094SLukasz Maniak pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_INTEL_NVME); 739088eea45cSKlaus Jensen } else { 739188eea45cSKlaus Jensen pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_REDHAT); 739288eea45cSKlaus Jensen pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_REDHAT_NVME); 739388eea45cSKlaus Jensen } 739488eea45cSKlaus Jensen 739588eea45cSKlaus Jensen pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_EXPRESS); 73961e9c685eSŁukasz Gieryk nvme_add_pm_capability(pci_dev, 0x60); 739788eea45cSKlaus Jensen pcie_endpoint_cap_init(pci_dev, 0x80); 73981e9c685eSŁukasz Gieryk pcie_cap_flr_init(pci_dev); 739944c2c094SLukasz Maniak if (n->params.sriov_max_vfs) { 740044c2c094SLukasz Maniak pcie_ari_init(pci_dev, 0x100, 1); 740144c2c094SLukasz Maniak } 740288eea45cSKlaus Jensen 74033bfcc517SŁukasz Gieryk /* add one to max_ioqpairs to account for the admin queue pair */ 7404aa817713SŁukasz Gieryk bar_size = nvme_bar_size(n->params.max_ioqpairs + 1, n->params.msix_qsize, 7405aa817713SŁukasz Gieryk &msix_table_offset, &msix_pba_offset); 740688eea45cSKlaus Jensen 740788eea45cSKlaus Jensen memory_region_init(&n->bar0, OBJECT(n), "nvme-bar0", bar_size); 740888eea45cSKlaus Jensen memory_region_init_io(&n->iomem, OBJECT(n), &nvme_mmio_ops, n, "nvme", 74093bfcc517SŁukasz Gieryk msix_table_offset); 741088eea45cSKlaus Jensen memory_region_add_subregion(&n->bar0, 0, &n->iomem); 741188eea45cSKlaus Jensen 741244c2c094SLukasz Maniak if (pci_is_vf(pci_dev)) { 741344c2c094SLukasz Maniak pcie_sriov_vf_register_bar(pci_dev, 0, &n->bar0); 741444c2c094SLukasz Maniak } else { 741588eea45cSKlaus Jensen pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY | 741688eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64, &n->bar0); 741744c2c094SLukasz Maniak } 741888eea45cSKlaus Jensen ret = msix_init(pci_dev, n->params.msix_qsize, 741988eea45cSKlaus Jensen &n->bar0, 0, msix_table_offset, 7420973f76cfSKlaus Jensen &n->bar0, 0, msix_pba_offset, 0, errp); 742188eea45cSKlaus Jensen if (ret == -ENOTSUP) { 7422973f76cfSKlaus Jensen /* report that msix is not supported, but do not error out */ 7423973f76cfSKlaus Jensen warn_report_err(*errp); 7424973f76cfSKlaus Jensen *errp = NULL; 7425973f76cfSKlaus Jensen } else if (ret < 0) { 7426973f76cfSKlaus Jensen /* propagate error to caller */ 7427973f76cfSKlaus Jensen return false; 742888eea45cSKlaus Jensen } 742988eea45cSKlaus Jensen 7430decc0261SŁukasz Gieryk nvme_update_msixcap_ts(pci_dev, n->conf_msix_qsize); 7431decc0261SŁukasz Gieryk 743288eea45cSKlaus Jensen if (n->params.cmb_size_mb) { 743388eea45cSKlaus Jensen nvme_init_cmb(n, pci_dev); 743488eea45cSKlaus Jensen } 743588eea45cSKlaus Jensen 743688eea45cSKlaus Jensen if (n->pmr.dev) { 743788eea45cSKlaus Jensen nvme_init_pmr(n, pci_dev); 743888eea45cSKlaus Jensen } 743988eea45cSKlaus Jensen 744044c2c094SLukasz Maniak if (!pci_is_vf(pci_dev) && n->params.sriov_max_vfs) { 7441746d42b1SŁukasz Gieryk nvme_init_sriov(n, pci_dev, 0x120); 744244c2c094SLukasz Maniak } 744344c2c094SLukasz Maniak 7444973f76cfSKlaus Jensen return true; 744588eea45cSKlaus Jensen } 744688eea45cSKlaus Jensen 744788eea45cSKlaus Jensen static void nvme_init_subnqn(NvmeCtrl *n) 744888eea45cSKlaus Jensen { 744988eea45cSKlaus Jensen NvmeSubsystem *subsys = n->subsys; 745088eea45cSKlaus Jensen NvmeIdCtrl *id = &n->id_ctrl; 745188eea45cSKlaus Jensen 745288eea45cSKlaus Jensen if (!subsys) { 745388eea45cSKlaus Jensen snprintf((char *)id->subnqn, sizeof(id->subnqn), 745488eea45cSKlaus Jensen "nqn.2019-08.org.qemu:%s", n->params.serial); 745588eea45cSKlaus Jensen } else { 745688eea45cSKlaus Jensen pstrcpy((char *)id->subnqn, sizeof(id->subnqn), (char*)subsys->subnqn); 745788eea45cSKlaus Jensen } 745888eea45cSKlaus Jensen } 745988eea45cSKlaus Jensen 746088eea45cSKlaus Jensen static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev) 746188eea45cSKlaus Jensen { 746288eea45cSKlaus Jensen NvmeIdCtrl *id = &n->id_ctrl; 746388eea45cSKlaus Jensen uint8_t *pci_conf = pci_dev->config; 746449e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 7465746d42b1SŁukasz Gieryk NvmeSecCtrlEntry *sctrl = nvme_sctrl(n); 7466771dbc3aSKlaus Jensen uint32_t ctratt; 746788eea45cSKlaus Jensen 746888eea45cSKlaus Jensen id->vid = cpu_to_le16(pci_get_word(pci_conf + PCI_VENDOR_ID)); 746988eea45cSKlaus Jensen id->ssvid = cpu_to_le16(pci_get_word(pci_conf + PCI_SUBSYSTEM_VENDOR_ID)); 747088eea45cSKlaus Jensen strpadcpy((char *)id->mn, sizeof(id->mn), "QEMU NVMe Ctrl", ' '); 7471fbba243bSKlaus Jensen strpadcpy((char *)id->fr, sizeof(id->fr), QEMU_VERSION, ' '); 747288eea45cSKlaus Jensen strpadcpy((char *)id->sn, sizeof(id->sn), n->params.serial, ' '); 747388eea45cSKlaus Jensen 747488eea45cSKlaus Jensen id->cntlid = cpu_to_le16(n->cntlid); 747588eea45cSKlaus Jensen 747688eea45cSKlaus Jensen id->oaes = cpu_to_le32(NVME_OAES_NS_ATTR); 7477771dbc3aSKlaus Jensen ctratt = NVME_CTRATT_ELBAS; 747888eea45cSKlaus Jensen 747988eea45cSKlaus Jensen id->rab = 6; 748088eea45cSKlaus Jensen 748188eea45cSKlaus Jensen if (n->params.use_intel_id) { 748288eea45cSKlaus Jensen id->ieee[0] = 0xb3; 748388eea45cSKlaus Jensen id->ieee[1] = 0x02; 748488eea45cSKlaus Jensen id->ieee[2] = 0x00; 748588eea45cSKlaus Jensen } else { 748688eea45cSKlaus Jensen id->ieee[0] = 0x00; 748788eea45cSKlaus Jensen id->ieee[1] = 0x54; 748888eea45cSKlaus Jensen id->ieee[2] = 0x52; 748988eea45cSKlaus Jensen } 749088eea45cSKlaus Jensen 749188eea45cSKlaus Jensen id->mdts = n->params.mdts; 749288eea45cSKlaus Jensen id->ver = cpu_to_le32(NVME_SPEC_VER); 74933f7fe8deSJinhao Fan id->oacs = 7494*e181d3daSGollu Appalanaidu cpu_to_le16(NVME_OACS_NS_MGMT | NVME_OACS_FORMAT | NVME_OACS_DBBUF | 7495*e181d3daSGollu Appalanaidu NVME_OACS_DIRECTIVES); 749688eea45cSKlaus Jensen id->cntrltype = 0x1; 749788eea45cSKlaus Jensen 749888eea45cSKlaus Jensen /* 749988eea45cSKlaus Jensen * Because the controller always completes the Abort command immediately, 750088eea45cSKlaus Jensen * there can never be more than one concurrently executing Abort command, 750188eea45cSKlaus Jensen * so this value is never used for anything. Note that there can easily be 750288eea45cSKlaus Jensen * many Abort commands in the queues, but they are not considered 750388eea45cSKlaus Jensen * "executing" until processed by nvme_abort. 750488eea45cSKlaus Jensen * 750588eea45cSKlaus Jensen * The specification recommends a value of 3 for Abort Command Limit (four 750688eea45cSKlaus Jensen * concurrently outstanding Abort commands), so lets use that though it is 750788eea45cSKlaus Jensen * inconsequential. 750888eea45cSKlaus Jensen */ 750988eea45cSKlaus Jensen id->acl = 3; 751088eea45cSKlaus Jensen id->aerl = n->params.aerl; 751188eea45cSKlaus Jensen id->frmw = (NVME_NUM_FW_SLOTS << 1) | NVME_FRMW_SLOT1_RO; 751288eea45cSKlaus Jensen id->lpa = NVME_LPA_NS_SMART | NVME_LPA_CSE | NVME_LPA_EXTENDED; 751388eea45cSKlaus Jensen 751488eea45cSKlaus Jensen /* recommended default value (~70 C) */ 751588eea45cSKlaus Jensen id->wctemp = cpu_to_le16(NVME_TEMPERATURE_WARNING); 751688eea45cSKlaus Jensen id->cctemp = cpu_to_le16(NVME_TEMPERATURE_CRITICAL); 751788eea45cSKlaus Jensen 751888eea45cSKlaus Jensen id->sqes = (0x6 << 4) | 0x6; 751988eea45cSKlaus Jensen id->cqes = (0x4 << 4) | 0x4; 752088eea45cSKlaus Jensen id->nn = cpu_to_le32(NVME_MAX_NAMESPACES); 752188eea45cSKlaus Jensen id->oncs = cpu_to_le16(NVME_ONCS_WRITE_ZEROES | NVME_ONCS_TIMESTAMP | 752288eea45cSKlaus Jensen NVME_ONCS_FEATURES | NVME_ONCS_DSM | 752388eea45cSKlaus Jensen NVME_ONCS_COMPARE | NVME_ONCS_COPY); 752488eea45cSKlaus Jensen 752588eea45cSKlaus Jensen /* 752688eea45cSKlaus Jensen * NOTE: If this device ever supports a command set that does NOT use 0x0 752788eea45cSKlaus Jensen * as a Flush-equivalent operation, support for the broadcast NSID in Flush 752888eea45cSKlaus Jensen * should probably be removed. 752988eea45cSKlaus Jensen * 753088eea45cSKlaus Jensen * See comment in nvme_io_cmd. 753188eea45cSKlaus Jensen */ 753288eea45cSKlaus Jensen id->vwc = NVME_VWC_NSID_BROADCAST_SUPPORT | NVME_VWC_PRESENT; 753388eea45cSKlaus Jensen 753444219b60SNaveen Nagar id->ocfs = cpu_to_le16(NVME_OCFS_COPY_FORMAT_0 | NVME_OCFS_COPY_FORMAT_1); 7535b9147a3aSKlaus Jensen id->sgls = cpu_to_le32(NVME_CTRL_SGLS_SUPPORT_NO_ALIGN); 753688eea45cSKlaus Jensen 753788eea45cSKlaus Jensen nvme_init_subnqn(n); 753888eea45cSKlaus Jensen 753988eea45cSKlaus Jensen id->psd[0].mp = cpu_to_le16(0x9c4); 754088eea45cSKlaus Jensen id->psd[0].enlat = cpu_to_le32(0x10); 754188eea45cSKlaus Jensen id->psd[0].exlat = cpu_to_le32(0x4); 754288eea45cSKlaus Jensen 754388eea45cSKlaus Jensen if (n->subsys) { 754488eea45cSKlaus Jensen id->cmic |= NVME_CMIC_MULTI_CTRL; 7545771dbc3aSKlaus Jensen ctratt |= NVME_CTRATT_ENDGRPS; 7546771dbc3aSKlaus Jensen 7547771dbc3aSKlaus Jensen id->endgidmax = cpu_to_le16(0x1); 754888eea45cSKlaus Jensen } 754988eea45cSKlaus Jensen 7550771dbc3aSKlaus Jensen id->ctratt = cpu_to_le32(ctratt); 7551771dbc3aSKlaus Jensen 755249e03457SKlaus Jensen NVME_CAP_SET_MQES(cap, 0x7ff); 755349e03457SKlaus Jensen NVME_CAP_SET_CQR(cap, 1); 755449e03457SKlaus Jensen NVME_CAP_SET_TO(cap, 0xf); 755549e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_NVM); 755649e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_CSI_SUPP); 755749e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_ADMIN_ONLY); 755849e03457SKlaus Jensen NVME_CAP_SET_MPSMAX(cap, 4); 755949e03457SKlaus Jensen NVME_CAP_SET_CMBS(cap, n->params.cmb_size_mb ? 1 : 0); 756049e03457SKlaus Jensen NVME_CAP_SET_PMRS(cap, n->pmr.dev ? 1 : 0); 756149e03457SKlaus Jensen stq_le_p(&n->bar.cap, cap); 756288eea45cSKlaus Jensen 756349e03457SKlaus Jensen stl_le_p(&n->bar.vs, NVME_SPEC_VER); 756488eea45cSKlaus Jensen n->bar.intmc = n->bar.intms = 0; 7565746d42b1SŁukasz Gieryk 756648b32c28SKlaus Jensen if (pci_is_vf(pci_dev) && !sctrl->scs) { 7567746d42b1SŁukasz Gieryk stl_le_p(&n->bar.csts, NVME_CSTS_FAILED); 7568746d42b1SŁukasz Gieryk } 756988eea45cSKlaus Jensen } 757088eea45cSKlaus Jensen 757188eea45cSKlaus Jensen static int nvme_init_subsys(NvmeCtrl *n, Error **errp) 757288eea45cSKlaus Jensen { 757388eea45cSKlaus Jensen int cntlid; 757488eea45cSKlaus Jensen 757588eea45cSKlaus Jensen if (!n->subsys) { 757688eea45cSKlaus Jensen return 0; 757788eea45cSKlaus Jensen } 757888eea45cSKlaus Jensen 757988eea45cSKlaus Jensen cntlid = nvme_subsys_register_ctrl(n, errp); 758088eea45cSKlaus Jensen if (cntlid < 0) { 758188eea45cSKlaus Jensen return -1; 758288eea45cSKlaus Jensen } 758388eea45cSKlaus Jensen 758488eea45cSKlaus Jensen n->cntlid = cntlid; 758588eea45cSKlaus Jensen 758688eea45cSKlaus Jensen return 0; 758788eea45cSKlaus Jensen } 758888eea45cSKlaus Jensen 758988eea45cSKlaus Jensen void nvme_attach_ns(NvmeCtrl *n, NvmeNamespace *ns) 759088eea45cSKlaus Jensen { 759188eea45cSKlaus Jensen uint32_t nsid = ns->params.nsid; 759288eea45cSKlaus Jensen assert(nsid && nsid <= NVME_MAX_NAMESPACES); 759388eea45cSKlaus Jensen 759488eea45cSKlaus Jensen n->namespaces[nsid] = ns; 759588eea45cSKlaus Jensen ns->attached++; 759688eea45cSKlaus Jensen 759788eea45cSKlaus Jensen n->dmrsl = MIN_NON_ZERO(n->dmrsl, 759888eea45cSKlaus Jensen BDRV_REQUEST_MAX_BYTES / nvme_l2b(ns, 1)); 759988eea45cSKlaus Jensen } 760088eea45cSKlaus Jensen 760188eea45cSKlaus Jensen static void nvme_realize(PCIDevice *pci_dev, Error **errp) 760288eea45cSKlaus Jensen { 760388eea45cSKlaus Jensen NvmeCtrl *n = NVME(pci_dev); 760448b32c28SKlaus Jensen DeviceState *dev = DEVICE(pci_dev); 760588eea45cSKlaus Jensen NvmeNamespace *ns; 760644c2c094SLukasz Maniak NvmeCtrl *pn = NVME(pcie_sriov_get_pf(pci_dev)); 760744c2c094SLukasz Maniak 760844c2c094SLukasz Maniak if (pci_is_vf(pci_dev)) { 760944c2c094SLukasz Maniak /* 761044c2c094SLukasz Maniak * VFs derive settings from the parent. PF's lifespan exceeds 761144c2c094SLukasz Maniak * that of VF's, so it's safe to share params.serial. 761244c2c094SLukasz Maniak */ 761344c2c094SLukasz Maniak memcpy(&n->params, &pn->params, sizeof(NvmeParams)); 761444c2c094SLukasz Maniak n->subsys = pn->subsys; 761544c2c094SLukasz Maniak } 761688eea45cSKlaus Jensen 7617784fd353SKlaus Jensen if (!nvme_check_params(n, errp)) { 761888eea45cSKlaus Jensen return; 761988eea45cSKlaus Jensen } 762088eea45cSKlaus Jensen 762148b32c28SKlaus Jensen qbus_init(&n->bus, sizeof(NvmeBus), TYPE_NVME_BUS, dev, dev->id); 762288eea45cSKlaus Jensen 762388eea45cSKlaus Jensen if (nvme_init_subsys(n, errp)) { 762488eea45cSKlaus Jensen return; 762588eea45cSKlaus Jensen } 76265e6f963fSLukasz Maniak nvme_init_state(n); 7627973f76cfSKlaus Jensen if (!nvme_init_pci(n, pci_dev, errp)) { 76285e6f963fSLukasz Maniak return; 76295e6f963fSLukasz Maniak } 763088eea45cSKlaus Jensen nvme_init_ctrl(n, pci_dev); 763188eea45cSKlaus Jensen 763288eea45cSKlaus Jensen /* setup a namespace if the controller drive property was given */ 763388eea45cSKlaus Jensen if (n->namespace.blkconf.blk) { 763488eea45cSKlaus Jensen ns = &n->namespace; 763588eea45cSKlaus Jensen ns->params.nsid = 1; 763688eea45cSKlaus Jensen 76375e4f6bccSKlaus Jensen if (nvme_ns_setup(ns, errp)) { 763888eea45cSKlaus Jensen return; 763988eea45cSKlaus Jensen } 764088eea45cSKlaus Jensen 764188eea45cSKlaus Jensen nvme_attach_ns(n, ns); 764288eea45cSKlaus Jensen } 764388eea45cSKlaus Jensen } 764488eea45cSKlaus Jensen 764588eea45cSKlaus Jensen static void nvme_exit(PCIDevice *pci_dev) 764688eea45cSKlaus Jensen { 764788eea45cSKlaus Jensen NvmeCtrl *n = NVME(pci_dev); 764888eea45cSKlaus Jensen NvmeNamespace *ns; 764988eea45cSKlaus Jensen int i; 765088eea45cSKlaus Jensen 76511e9c685eSŁukasz Gieryk nvme_ctrl_reset(n, NVME_RESET_FUNCTION); 765288eea45cSKlaus Jensen 76535ffbaeedSKlaus Jensen if (n->subsys) { 765488eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 765588eea45cSKlaus Jensen ns = nvme_ns(n, i); 76565ffbaeedSKlaus Jensen if (ns) { 76575ffbaeedSKlaus Jensen ns->attached--; 76585ffbaeedSKlaus Jensen } 765988eea45cSKlaus Jensen } 766088eea45cSKlaus Jensen 7661b0fde9e8SKlaus Jensen nvme_subsys_unregister_ctrl(n->subsys, n); 7662b0fde9e8SKlaus Jensen } 7663b0fde9e8SKlaus Jensen 766488eea45cSKlaus Jensen g_free(n->cq); 766588eea45cSKlaus Jensen g_free(n->sq); 766688eea45cSKlaus Jensen g_free(n->aer_reqs); 766788eea45cSKlaus Jensen 766888eea45cSKlaus Jensen if (n->params.cmb_size_mb) { 766988eea45cSKlaus Jensen g_free(n->cmb.buf); 767088eea45cSKlaus Jensen } 767188eea45cSKlaus Jensen 767288eea45cSKlaus Jensen if (n->pmr.dev) { 767388eea45cSKlaus Jensen host_memory_backend_set_mapped(n->pmr.dev, false); 767488eea45cSKlaus Jensen } 767544c2c094SLukasz Maniak 767644c2c094SLukasz Maniak if (!pci_is_vf(pci_dev) && n->params.sriov_max_vfs) { 767744c2c094SLukasz Maniak pcie_sriov_pf_exit(pci_dev); 767844c2c094SLukasz Maniak } 767944c2c094SLukasz Maniak 768088eea45cSKlaus Jensen msix_uninit(pci_dev, &n->bar0, &n->bar0); 768188eea45cSKlaus Jensen memory_region_del_subregion(&n->bar0, &n->iomem); 768288eea45cSKlaus Jensen } 768388eea45cSKlaus Jensen 768488eea45cSKlaus Jensen static Property nvme_props[] = { 768588eea45cSKlaus Jensen DEFINE_BLOCK_PROPERTIES(NvmeCtrl, namespace.blkconf), 768688eea45cSKlaus Jensen DEFINE_PROP_LINK("pmrdev", NvmeCtrl, pmr.dev, TYPE_MEMORY_BACKEND, 768788eea45cSKlaus Jensen HostMemoryBackend *), 768888eea45cSKlaus Jensen DEFINE_PROP_LINK("subsys", NvmeCtrl, subsys, TYPE_NVME_SUBSYS, 768988eea45cSKlaus Jensen NvmeSubsystem *), 769088eea45cSKlaus Jensen DEFINE_PROP_STRING("serial", NvmeCtrl, params.serial), 769188eea45cSKlaus Jensen DEFINE_PROP_UINT32("cmb_size_mb", NvmeCtrl, params.cmb_size_mb, 0), 769288eea45cSKlaus Jensen DEFINE_PROP_UINT32("num_queues", NvmeCtrl, params.num_queues, 0), 769388eea45cSKlaus Jensen DEFINE_PROP_UINT32("max_ioqpairs", NvmeCtrl, params.max_ioqpairs, 64), 769488eea45cSKlaus Jensen DEFINE_PROP_UINT16("msix_qsize", NvmeCtrl, params.msix_qsize, 65), 769588eea45cSKlaus Jensen DEFINE_PROP_UINT8("aerl", NvmeCtrl, params.aerl, 3), 769688eea45cSKlaus Jensen DEFINE_PROP_UINT32("aer_max_queued", NvmeCtrl, params.aer_max_queued, 64), 769788eea45cSKlaus Jensen DEFINE_PROP_UINT8("mdts", NvmeCtrl, params.mdts, 7), 769888eea45cSKlaus Jensen DEFINE_PROP_UINT8("vsl", NvmeCtrl, params.vsl, 7), 769988eea45cSKlaus Jensen DEFINE_PROP_BOOL("use-intel-id", NvmeCtrl, params.use_intel_id, false), 770088eea45cSKlaus Jensen DEFINE_PROP_BOOL("legacy-cmb", NvmeCtrl, params.legacy_cmb, false), 7701e2e137f6SKlaus Jensen DEFINE_PROP_BOOL("ioeventfd", NvmeCtrl, params.ioeventfd, false), 770288eea45cSKlaus Jensen DEFINE_PROP_UINT8("zoned.zasl", NvmeCtrl, params.zasl, 0), 7703cccc2651SNiklas Cassel DEFINE_PROP_BOOL("zoned.auto_transition", NvmeCtrl, 7704cccc2651SNiklas Cassel params.auto_transition_zones, true), 770544c2c094SLukasz Maniak DEFINE_PROP_UINT8("sriov_max_vfs", NvmeCtrl, params.sriov_max_vfs, 0), 7706746d42b1SŁukasz Gieryk DEFINE_PROP_UINT16("sriov_vq_flexible", NvmeCtrl, 7707746d42b1SŁukasz Gieryk params.sriov_vq_flexible, 0), 7708746d42b1SŁukasz Gieryk DEFINE_PROP_UINT16("sriov_vi_flexible", NvmeCtrl, 7709746d42b1SŁukasz Gieryk params.sriov_vi_flexible, 0), 7710746d42b1SŁukasz Gieryk DEFINE_PROP_UINT8("sriov_max_vi_per_vf", NvmeCtrl, 7711746d42b1SŁukasz Gieryk params.sriov_max_vi_per_vf, 0), 7712746d42b1SŁukasz Gieryk DEFINE_PROP_UINT8("sriov_max_vq_per_vf", NvmeCtrl, 7713746d42b1SŁukasz Gieryk params.sriov_max_vq_per_vf, 0), 771488eea45cSKlaus Jensen DEFINE_PROP_END_OF_LIST(), 771588eea45cSKlaus Jensen }; 771688eea45cSKlaus Jensen 771788eea45cSKlaus Jensen static void nvme_get_smart_warning(Object *obj, Visitor *v, const char *name, 771888eea45cSKlaus Jensen void *opaque, Error **errp) 771988eea45cSKlaus Jensen { 772088eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 772188eea45cSKlaus Jensen uint8_t value = n->smart_critical_warning; 772288eea45cSKlaus Jensen 772388eea45cSKlaus Jensen visit_type_uint8(v, name, &value, errp); 772488eea45cSKlaus Jensen } 772588eea45cSKlaus Jensen 772688eea45cSKlaus Jensen static void nvme_set_smart_warning(Object *obj, Visitor *v, const char *name, 772788eea45cSKlaus Jensen void *opaque, Error **errp) 772888eea45cSKlaus Jensen { 772988eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 773088eea45cSKlaus Jensen uint8_t value, old_value, cap = 0, index, event; 773188eea45cSKlaus Jensen 773288eea45cSKlaus Jensen if (!visit_type_uint8(v, name, &value, errp)) { 773388eea45cSKlaus Jensen return; 773488eea45cSKlaus Jensen } 773588eea45cSKlaus Jensen 773688eea45cSKlaus Jensen cap = NVME_SMART_SPARE | NVME_SMART_TEMPERATURE | NVME_SMART_RELIABILITY 773788eea45cSKlaus Jensen | NVME_SMART_MEDIA_READ_ONLY | NVME_SMART_FAILED_VOLATILE_MEDIA; 773849e03457SKlaus Jensen if (NVME_CAP_PMRS(ldq_le_p(&n->bar.cap))) { 773988eea45cSKlaus Jensen cap |= NVME_SMART_PMR_UNRELIABLE; 774088eea45cSKlaus Jensen } 774188eea45cSKlaus Jensen 774288eea45cSKlaus Jensen if ((value & cap) != value) { 774388eea45cSKlaus Jensen error_setg(errp, "unsupported smart critical warning bits: 0x%x", 774488eea45cSKlaus Jensen value & ~cap); 774588eea45cSKlaus Jensen return; 774688eea45cSKlaus Jensen } 774788eea45cSKlaus Jensen 774888eea45cSKlaus Jensen old_value = n->smart_critical_warning; 774988eea45cSKlaus Jensen n->smart_critical_warning = value; 775088eea45cSKlaus Jensen 775188eea45cSKlaus Jensen /* only inject new bits of smart critical warning */ 775288eea45cSKlaus Jensen for (index = 0; index < NVME_SMART_WARN_MAX; index++) { 775388eea45cSKlaus Jensen event = 1 << index; 775488eea45cSKlaus Jensen if (value & ~old_value & event) 775588eea45cSKlaus Jensen nvme_smart_event(n, event); 775688eea45cSKlaus Jensen } 775788eea45cSKlaus Jensen } 775888eea45cSKlaus Jensen 77591e9c685eSŁukasz Gieryk static void nvme_pci_reset(DeviceState *qdev) 77601e9c685eSŁukasz Gieryk { 77611e9c685eSŁukasz Gieryk PCIDevice *pci_dev = PCI_DEVICE(qdev); 77621e9c685eSŁukasz Gieryk NvmeCtrl *n = NVME(pci_dev); 77631e9c685eSŁukasz Gieryk 77641e9c685eSŁukasz Gieryk trace_pci_nvme_pci_reset(); 77651e9c685eSŁukasz Gieryk nvme_ctrl_reset(n, NVME_RESET_FUNCTION); 77661e9c685eSŁukasz Gieryk } 77671e9c685eSŁukasz Gieryk 776811871f53SŁukasz Gieryk static void nvme_sriov_pre_write_ctrl(PCIDevice *dev, uint32_t address, 776911871f53SŁukasz Gieryk uint32_t val, int len) 777011871f53SŁukasz Gieryk { 777111871f53SŁukasz Gieryk NvmeCtrl *n = NVME(dev); 777211871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl; 777311871f53SŁukasz Gieryk uint16_t sriov_cap = dev->exp.sriov_cap; 777411871f53SŁukasz Gieryk uint32_t off = address - sriov_cap; 777511871f53SŁukasz Gieryk int i, num_vfs; 777611871f53SŁukasz Gieryk 777711871f53SŁukasz Gieryk if (!sriov_cap) { 777811871f53SŁukasz Gieryk return; 777911871f53SŁukasz Gieryk } 778011871f53SŁukasz Gieryk 778111871f53SŁukasz Gieryk if (range_covers_byte(off, len, PCI_SRIOV_CTRL)) { 778211871f53SŁukasz Gieryk if (!(val & PCI_SRIOV_CTRL_VFE)) { 778311871f53SŁukasz Gieryk num_vfs = pci_get_word(dev->config + sriov_cap + PCI_SRIOV_NUM_VF); 778411871f53SŁukasz Gieryk for (i = 0; i < num_vfs; i++) { 778511871f53SŁukasz Gieryk sctrl = &n->sec_ctrl_list.sec[i]; 778611871f53SŁukasz Gieryk nvme_virt_set_state(n, le16_to_cpu(sctrl->scid), false); 778711871f53SŁukasz Gieryk } 778811871f53SŁukasz Gieryk } 778911871f53SŁukasz Gieryk } 779011871f53SŁukasz Gieryk } 779111871f53SŁukasz Gieryk 77921e9c685eSŁukasz Gieryk static void nvme_pci_write_config(PCIDevice *dev, uint32_t address, 77931e9c685eSŁukasz Gieryk uint32_t val, int len) 77941e9c685eSŁukasz Gieryk { 779511871f53SŁukasz Gieryk nvme_sriov_pre_write_ctrl(dev, address, val, len); 77961e9c685eSŁukasz Gieryk pci_default_write_config(dev, address, val, len); 77971e9c685eSŁukasz Gieryk pcie_cap_flr_write_config(dev, address, val, len); 77981e9c685eSŁukasz Gieryk } 77991e9c685eSŁukasz Gieryk 780088eea45cSKlaus Jensen static const VMStateDescription nvme_vmstate = { 780188eea45cSKlaus Jensen .name = "nvme", 780288eea45cSKlaus Jensen .unmigratable = 1, 780388eea45cSKlaus Jensen }; 780488eea45cSKlaus Jensen 780588eea45cSKlaus Jensen static void nvme_class_init(ObjectClass *oc, void *data) 780688eea45cSKlaus Jensen { 780788eea45cSKlaus Jensen DeviceClass *dc = DEVICE_CLASS(oc); 780888eea45cSKlaus Jensen PCIDeviceClass *pc = PCI_DEVICE_CLASS(oc); 780988eea45cSKlaus Jensen 781088eea45cSKlaus Jensen pc->realize = nvme_realize; 78111e9c685eSŁukasz Gieryk pc->config_write = nvme_pci_write_config; 781288eea45cSKlaus Jensen pc->exit = nvme_exit; 781388eea45cSKlaus Jensen pc->class_id = PCI_CLASS_STORAGE_EXPRESS; 781488eea45cSKlaus Jensen pc->revision = 2; 781588eea45cSKlaus Jensen 781688eea45cSKlaus Jensen set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 781788eea45cSKlaus Jensen dc->desc = "Non-Volatile Memory Express"; 781888eea45cSKlaus Jensen device_class_set_props(dc, nvme_props); 781988eea45cSKlaus Jensen dc->vmsd = &nvme_vmstate; 78201e9c685eSŁukasz Gieryk dc->reset = nvme_pci_reset; 782188eea45cSKlaus Jensen } 782288eea45cSKlaus Jensen 782388eea45cSKlaus Jensen static void nvme_instance_init(Object *obj) 782488eea45cSKlaus Jensen { 782588eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 782688eea45cSKlaus Jensen 782788eea45cSKlaus Jensen device_add_bootindex_property(obj, &n->namespace.blkconf.bootindex, 782888eea45cSKlaus Jensen "bootindex", "/namespace@1,0", 782988eea45cSKlaus Jensen DEVICE(obj)); 783088eea45cSKlaus Jensen 783188eea45cSKlaus Jensen object_property_add(obj, "smart_critical_warning", "uint8", 783288eea45cSKlaus Jensen nvme_get_smart_warning, 783388eea45cSKlaus Jensen nvme_set_smart_warning, NULL, NULL); 783488eea45cSKlaus Jensen } 783588eea45cSKlaus Jensen 783688eea45cSKlaus Jensen static const TypeInfo nvme_info = { 783788eea45cSKlaus Jensen .name = TYPE_NVME, 783888eea45cSKlaus Jensen .parent = TYPE_PCI_DEVICE, 783988eea45cSKlaus Jensen .instance_size = sizeof(NvmeCtrl), 784088eea45cSKlaus Jensen .instance_init = nvme_instance_init, 784188eea45cSKlaus Jensen .class_init = nvme_class_init, 784288eea45cSKlaus Jensen .interfaces = (InterfaceInfo[]) { 784388eea45cSKlaus Jensen { INTERFACE_PCIE_DEVICE }, 784488eea45cSKlaus Jensen { } 784588eea45cSKlaus Jensen }, 784688eea45cSKlaus Jensen }; 784788eea45cSKlaus Jensen 784888eea45cSKlaus Jensen static const TypeInfo nvme_bus_info = { 784988eea45cSKlaus Jensen .name = TYPE_NVME_BUS, 785088eea45cSKlaus Jensen .parent = TYPE_BUS, 785188eea45cSKlaus Jensen .instance_size = sizeof(NvmeBus), 785288eea45cSKlaus Jensen }; 785388eea45cSKlaus Jensen 785488eea45cSKlaus Jensen static void nvme_register_types(void) 785588eea45cSKlaus Jensen { 785688eea45cSKlaus Jensen type_register_static(&nvme_info); 785788eea45cSKlaus Jensen type_register_static(&nvme_bus_info); 785888eea45cSKlaus Jensen } 785988eea45cSKlaus Jensen 786088eea45cSKlaus Jensen type_init(nvme_register_types) 7861