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, 26988eea45cSKlaus Jensen }; 27088eea45cSKlaus Jensen 27188eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_none[256]; 27288eea45cSKlaus Jensen 27388eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_nvm[256] = { 27488eea45cSKlaus Jensen [NVME_CMD_FLUSH] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 27588eea45cSKlaus Jensen [NVME_CMD_WRITE_ZEROES] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 27688eea45cSKlaus Jensen [NVME_CMD_WRITE] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 27788eea45cSKlaus Jensen [NVME_CMD_READ] = NVME_CMD_EFF_CSUPP, 27888eea45cSKlaus Jensen [NVME_CMD_DSM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 27988eea45cSKlaus Jensen [NVME_CMD_VERIFY] = NVME_CMD_EFF_CSUPP, 28088eea45cSKlaus Jensen [NVME_CMD_COPY] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 28188eea45cSKlaus Jensen [NVME_CMD_COMPARE] = NVME_CMD_EFF_CSUPP, 28288eea45cSKlaus Jensen }; 28388eea45cSKlaus Jensen 28488eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_zoned[256] = { 28588eea45cSKlaus Jensen [NVME_CMD_FLUSH] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 28688eea45cSKlaus Jensen [NVME_CMD_WRITE_ZEROES] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 28788eea45cSKlaus Jensen [NVME_CMD_WRITE] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 28888eea45cSKlaus Jensen [NVME_CMD_READ] = NVME_CMD_EFF_CSUPP, 28988eea45cSKlaus Jensen [NVME_CMD_DSM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 29088eea45cSKlaus Jensen [NVME_CMD_VERIFY] = NVME_CMD_EFF_CSUPP, 29188eea45cSKlaus Jensen [NVME_CMD_COPY] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 29288eea45cSKlaus Jensen [NVME_CMD_COMPARE] = NVME_CMD_EFF_CSUPP, 29388eea45cSKlaus Jensen [NVME_CMD_ZONE_APPEND] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 29488eea45cSKlaus Jensen [NVME_CMD_ZONE_MGMT_SEND] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 29588eea45cSKlaus Jensen [NVME_CMD_ZONE_MGMT_RECV] = NVME_CMD_EFF_CSUPP, 29688eea45cSKlaus Jensen }; 29788eea45cSKlaus Jensen 29888eea45cSKlaus Jensen static void nvme_process_sq(void *opaque); 29911871f53SŁukasz Gieryk static void nvme_ctrl_reset(NvmeCtrl *n, NvmeResetType rst); 30088eea45cSKlaus Jensen 30188eea45cSKlaus Jensen static uint16_t nvme_sqid(NvmeRequest *req) 30288eea45cSKlaus Jensen { 30388eea45cSKlaus Jensen return le16_to_cpu(req->sq->sqid); 30488eea45cSKlaus Jensen } 30588eea45cSKlaus Jensen 30688eea45cSKlaus Jensen static void nvme_assign_zone_state(NvmeNamespace *ns, NvmeZone *zone, 30788eea45cSKlaus Jensen NvmeZoneState state) 30888eea45cSKlaus Jensen { 30988eea45cSKlaus Jensen if (QTAILQ_IN_USE(zone, entry)) { 31088eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 31188eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 31288eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->exp_open_zones, zone, entry); 31388eea45cSKlaus Jensen break; 31488eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 31588eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->imp_open_zones, zone, entry); 31688eea45cSKlaus Jensen break; 31788eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 31888eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->closed_zones, zone, entry); 31988eea45cSKlaus Jensen break; 32088eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 32188eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->full_zones, zone, entry); 32288eea45cSKlaus Jensen default: 32388eea45cSKlaus Jensen ; 32488eea45cSKlaus Jensen } 32588eea45cSKlaus Jensen } 32688eea45cSKlaus Jensen 32788eea45cSKlaus Jensen nvme_set_zone_state(zone, state); 32888eea45cSKlaus Jensen 32988eea45cSKlaus Jensen switch (state) { 33088eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 33188eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->exp_open_zones, zone, entry); 33288eea45cSKlaus Jensen break; 33388eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 33488eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->imp_open_zones, zone, entry); 33588eea45cSKlaus Jensen break; 33688eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 33788eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->closed_zones, zone, entry); 33888eea45cSKlaus Jensen break; 33988eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 34088eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->full_zones, zone, entry); 34188eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 34288eea45cSKlaus Jensen break; 34388eea45cSKlaus Jensen default: 34488eea45cSKlaus Jensen zone->d.za = 0; 34588eea45cSKlaus Jensen } 34688eea45cSKlaus Jensen } 34788eea45cSKlaus Jensen 348e321b4cdSKlaus Jensen static uint16_t nvme_zns_check_resources(NvmeNamespace *ns, uint32_t act, 349e321b4cdSKlaus Jensen uint32_t opn, uint32_t zrwa) 35088eea45cSKlaus Jensen { 35188eea45cSKlaus Jensen if (ns->params.max_active_zones != 0 && 35288eea45cSKlaus Jensen ns->nr_active_zones + act > ns->params.max_active_zones) { 35388eea45cSKlaus Jensen trace_pci_nvme_err_insuff_active_res(ns->params.max_active_zones); 35488eea45cSKlaus Jensen return NVME_ZONE_TOO_MANY_ACTIVE | NVME_DNR; 35588eea45cSKlaus Jensen } 356e321b4cdSKlaus Jensen 35788eea45cSKlaus Jensen if (ns->params.max_open_zones != 0 && 35888eea45cSKlaus Jensen ns->nr_open_zones + opn > ns->params.max_open_zones) { 35988eea45cSKlaus Jensen trace_pci_nvme_err_insuff_open_res(ns->params.max_open_zones); 36088eea45cSKlaus Jensen return NVME_ZONE_TOO_MANY_OPEN | NVME_DNR; 36188eea45cSKlaus Jensen } 36288eea45cSKlaus Jensen 363e321b4cdSKlaus Jensen if (zrwa > ns->zns.numzrwa) { 364e321b4cdSKlaus Jensen return NVME_NOZRWA | NVME_DNR; 365e321b4cdSKlaus Jensen } 366e321b4cdSKlaus Jensen 36788eea45cSKlaus Jensen return NVME_SUCCESS; 36888eea45cSKlaus Jensen } 36988eea45cSKlaus Jensen 370e321b4cdSKlaus Jensen /* 371e321b4cdSKlaus Jensen * Check if we can open a zone without exceeding open/active limits. 372e321b4cdSKlaus Jensen * AOR stands for "Active and Open Resources" (see TP 4053 section 2.5). 373e321b4cdSKlaus Jensen */ 374e321b4cdSKlaus Jensen static uint16_t nvme_aor_check(NvmeNamespace *ns, uint32_t act, uint32_t opn) 375e321b4cdSKlaus Jensen { 376e321b4cdSKlaus Jensen return nvme_zns_check_resources(ns, act, opn, 0); 377e321b4cdSKlaus Jensen } 378e321b4cdSKlaus Jensen 37988eea45cSKlaus Jensen static bool nvme_addr_is_cmb(NvmeCtrl *n, hwaddr addr) 38088eea45cSKlaus Jensen { 38188eea45cSKlaus Jensen hwaddr hi, lo; 38288eea45cSKlaus Jensen 38388eea45cSKlaus Jensen if (!n->cmb.cmse) { 38488eea45cSKlaus Jensen return false; 38588eea45cSKlaus Jensen } 38688eea45cSKlaus Jensen 38788eea45cSKlaus Jensen lo = n->params.legacy_cmb ? n->cmb.mem.addr : n->cmb.cba; 38888eea45cSKlaus Jensen hi = lo + int128_get64(n->cmb.mem.size); 38988eea45cSKlaus Jensen 39088eea45cSKlaus Jensen return addr >= lo && addr < hi; 39188eea45cSKlaus Jensen } 39288eea45cSKlaus Jensen 39388eea45cSKlaus Jensen static inline void *nvme_addr_to_cmb(NvmeCtrl *n, hwaddr addr) 39488eea45cSKlaus Jensen { 39588eea45cSKlaus Jensen hwaddr base = n->params.legacy_cmb ? n->cmb.mem.addr : n->cmb.cba; 39688eea45cSKlaus Jensen return &n->cmb.buf[addr - base]; 39788eea45cSKlaus Jensen } 39888eea45cSKlaus Jensen 39988eea45cSKlaus Jensen static bool nvme_addr_is_pmr(NvmeCtrl *n, hwaddr addr) 40088eea45cSKlaus Jensen { 40188eea45cSKlaus Jensen hwaddr hi; 40288eea45cSKlaus Jensen 40388eea45cSKlaus Jensen if (!n->pmr.cmse) { 40488eea45cSKlaus Jensen return false; 40588eea45cSKlaus Jensen } 40688eea45cSKlaus Jensen 40788eea45cSKlaus Jensen hi = n->pmr.cba + int128_get64(n->pmr.dev->mr.size); 40888eea45cSKlaus Jensen 40988eea45cSKlaus Jensen return addr >= n->pmr.cba && addr < hi; 41088eea45cSKlaus Jensen } 41188eea45cSKlaus Jensen 41288eea45cSKlaus Jensen static inline void *nvme_addr_to_pmr(NvmeCtrl *n, hwaddr addr) 41388eea45cSKlaus Jensen { 41488eea45cSKlaus Jensen return memory_region_get_ram_ptr(&n->pmr.dev->mr) + (addr - n->pmr.cba); 41588eea45cSKlaus Jensen } 41688eea45cSKlaus Jensen 417736b0164SKlaus Jensen static inline bool nvme_addr_is_iomem(NvmeCtrl *n, hwaddr addr) 418736b0164SKlaus Jensen { 419736b0164SKlaus Jensen hwaddr hi, lo; 420736b0164SKlaus Jensen 421736b0164SKlaus Jensen /* 422736b0164SKlaus Jensen * The purpose of this check is to guard against invalid "local" access to 423736b0164SKlaus Jensen * the iomem (i.e. controller registers). Thus, we check against the range 424736b0164SKlaus Jensen * covered by the 'bar0' MemoryRegion since that is currently composed of 425736b0164SKlaus Jensen * two subregions (the NVMe "MBAR" and the MSI-X table/pba). Note, however, 426736b0164SKlaus Jensen * that if the device model is ever changed to allow the CMB to be located 427736b0164SKlaus Jensen * in BAR0 as well, then this must be changed. 428736b0164SKlaus Jensen */ 429736b0164SKlaus Jensen lo = n->bar0.addr; 430736b0164SKlaus Jensen hi = lo + int128_get64(n->bar0.size); 431736b0164SKlaus Jensen 432736b0164SKlaus Jensen return addr >= lo && addr < hi; 433736b0164SKlaus Jensen } 434736b0164SKlaus Jensen 43588eea45cSKlaus Jensen static int nvme_addr_read(NvmeCtrl *n, hwaddr addr, void *buf, int size) 43688eea45cSKlaus Jensen { 43788eea45cSKlaus Jensen hwaddr hi = addr + size - 1; 43888eea45cSKlaus Jensen if (hi < addr) { 43988eea45cSKlaus Jensen return 1; 44088eea45cSKlaus Jensen } 44188eea45cSKlaus Jensen 44288eea45cSKlaus Jensen if (n->bar.cmbsz && nvme_addr_is_cmb(n, addr) && nvme_addr_is_cmb(n, hi)) { 44388eea45cSKlaus Jensen memcpy(buf, nvme_addr_to_cmb(n, addr), size); 44488eea45cSKlaus Jensen return 0; 44588eea45cSKlaus Jensen } 44688eea45cSKlaus Jensen 44788eea45cSKlaus Jensen if (nvme_addr_is_pmr(n, addr) && nvme_addr_is_pmr(n, hi)) { 44888eea45cSKlaus Jensen memcpy(buf, nvme_addr_to_pmr(n, addr), size); 44988eea45cSKlaus Jensen return 0; 45088eea45cSKlaus Jensen } 45188eea45cSKlaus Jensen 45248b32c28SKlaus Jensen return pci_dma_read(PCI_DEVICE(n), addr, buf, size); 45388eea45cSKlaus Jensen } 45488eea45cSKlaus Jensen 455e080ce86SPhilippe Mathieu-Daudé static int nvme_addr_write(NvmeCtrl *n, hwaddr addr, const void *buf, int size) 45688eea45cSKlaus Jensen { 45788eea45cSKlaus Jensen hwaddr hi = addr + size - 1; 45888eea45cSKlaus Jensen if (hi < addr) { 45988eea45cSKlaus Jensen return 1; 46088eea45cSKlaus Jensen } 46188eea45cSKlaus Jensen 46288eea45cSKlaus Jensen if (n->bar.cmbsz && nvme_addr_is_cmb(n, addr) && nvme_addr_is_cmb(n, hi)) { 46388eea45cSKlaus Jensen memcpy(nvme_addr_to_cmb(n, addr), buf, size); 46488eea45cSKlaus Jensen return 0; 46588eea45cSKlaus Jensen } 46688eea45cSKlaus Jensen 46788eea45cSKlaus Jensen if (nvme_addr_is_pmr(n, addr) && nvme_addr_is_pmr(n, hi)) { 46888eea45cSKlaus Jensen memcpy(nvme_addr_to_pmr(n, addr), buf, size); 46988eea45cSKlaus Jensen return 0; 47088eea45cSKlaus Jensen } 47188eea45cSKlaus Jensen 47248b32c28SKlaus Jensen return pci_dma_write(PCI_DEVICE(n), addr, buf, size); 47388eea45cSKlaus Jensen } 47488eea45cSKlaus Jensen 47588eea45cSKlaus Jensen static bool nvme_nsid_valid(NvmeCtrl *n, uint32_t nsid) 47688eea45cSKlaus Jensen { 47788eea45cSKlaus Jensen return nsid && 47888eea45cSKlaus Jensen (nsid == NVME_NSID_BROADCAST || nsid <= NVME_MAX_NAMESPACES); 47988eea45cSKlaus Jensen } 48088eea45cSKlaus Jensen 48188eea45cSKlaus Jensen static int nvme_check_sqid(NvmeCtrl *n, uint16_t sqid) 48288eea45cSKlaus Jensen { 483decc0261SŁukasz Gieryk return sqid < n->conf_ioqpairs + 1 && n->sq[sqid] != NULL ? 0 : -1; 48488eea45cSKlaus Jensen } 48588eea45cSKlaus Jensen 48688eea45cSKlaus Jensen static int nvme_check_cqid(NvmeCtrl *n, uint16_t cqid) 48788eea45cSKlaus Jensen { 488decc0261SŁukasz Gieryk return cqid < n->conf_ioqpairs + 1 && n->cq[cqid] != NULL ? 0 : -1; 48988eea45cSKlaus Jensen } 49088eea45cSKlaus Jensen 49188eea45cSKlaus Jensen static void nvme_inc_cq_tail(NvmeCQueue *cq) 49288eea45cSKlaus Jensen { 49388eea45cSKlaus Jensen cq->tail++; 49488eea45cSKlaus Jensen if (cq->tail >= cq->size) { 49588eea45cSKlaus Jensen cq->tail = 0; 49688eea45cSKlaus Jensen cq->phase = !cq->phase; 49788eea45cSKlaus Jensen } 49888eea45cSKlaus Jensen } 49988eea45cSKlaus Jensen 50088eea45cSKlaus Jensen static void nvme_inc_sq_head(NvmeSQueue *sq) 50188eea45cSKlaus Jensen { 50288eea45cSKlaus Jensen sq->head = (sq->head + 1) % sq->size; 50388eea45cSKlaus Jensen } 50488eea45cSKlaus Jensen 50588eea45cSKlaus Jensen static uint8_t nvme_cq_full(NvmeCQueue *cq) 50688eea45cSKlaus Jensen { 50788eea45cSKlaus Jensen return (cq->tail + 1) % cq->size == cq->head; 50888eea45cSKlaus Jensen } 50988eea45cSKlaus Jensen 51088eea45cSKlaus Jensen static uint8_t nvme_sq_empty(NvmeSQueue *sq) 51188eea45cSKlaus Jensen { 51288eea45cSKlaus Jensen return sq->head == sq->tail; 51388eea45cSKlaus Jensen } 51488eea45cSKlaus Jensen 51588eea45cSKlaus Jensen static void nvme_irq_check(NvmeCtrl *n) 51688eea45cSKlaus Jensen { 51748b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 51849e03457SKlaus Jensen uint32_t intms = ldl_le_p(&n->bar.intms); 51949e03457SKlaus Jensen 52048b32c28SKlaus Jensen if (msix_enabled(pci)) { 52188eea45cSKlaus Jensen return; 52288eea45cSKlaus Jensen } 52349e03457SKlaus Jensen if (~intms & n->irq_status) { 52448b32c28SKlaus Jensen pci_irq_assert(pci); 52588eea45cSKlaus Jensen } else { 52648b32c28SKlaus Jensen pci_irq_deassert(pci); 52788eea45cSKlaus Jensen } 52888eea45cSKlaus Jensen } 52988eea45cSKlaus Jensen 53088eea45cSKlaus Jensen static void nvme_irq_assert(NvmeCtrl *n, NvmeCQueue *cq) 53188eea45cSKlaus Jensen { 53248b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 53348b32c28SKlaus Jensen 53488eea45cSKlaus Jensen if (cq->irq_enabled) { 53548b32c28SKlaus Jensen if (msix_enabled(pci)) { 53688eea45cSKlaus Jensen trace_pci_nvme_irq_msix(cq->vector); 53748b32c28SKlaus Jensen msix_notify(pci, cq->vector); 53888eea45cSKlaus Jensen } else { 53988eea45cSKlaus Jensen trace_pci_nvme_irq_pin(); 54088eea45cSKlaus Jensen assert(cq->vector < 32); 54188eea45cSKlaus Jensen n->irq_status |= 1 << cq->vector; 54288eea45cSKlaus Jensen nvme_irq_check(n); 54388eea45cSKlaus Jensen } 54488eea45cSKlaus Jensen } else { 54588eea45cSKlaus Jensen trace_pci_nvme_irq_masked(); 54688eea45cSKlaus Jensen } 54788eea45cSKlaus Jensen } 54888eea45cSKlaus Jensen 54988eea45cSKlaus Jensen static void nvme_irq_deassert(NvmeCtrl *n, NvmeCQueue *cq) 55088eea45cSKlaus Jensen { 55188eea45cSKlaus Jensen if (cq->irq_enabled) { 55248b32c28SKlaus Jensen if (msix_enabled(PCI_DEVICE(n))) { 55388eea45cSKlaus Jensen return; 55488eea45cSKlaus Jensen } else { 55588eea45cSKlaus Jensen assert(cq->vector < 32); 55683d7ed5cSKlaus Jensen if (!n->cq_pending) { 55788eea45cSKlaus Jensen n->irq_status &= ~(1 << cq->vector); 55883d7ed5cSKlaus Jensen } 55988eea45cSKlaus Jensen nvme_irq_check(n); 56088eea45cSKlaus Jensen } 56188eea45cSKlaus Jensen } 56288eea45cSKlaus Jensen } 56388eea45cSKlaus Jensen 56488eea45cSKlaus Jensen static void nvme_req_clear(NvmeRequest *req) 56588eea45cSKlaus Jensen { 56688eea45cSKlaus Jensen req->ns = NULL; 56788eea45cSKlaus Jensen req->opaque = NULL; 56888eea45cSKlaus Jensen req->aiocb = NULL; 56988eea45cSKlaus Jensen memset(&req->cqe, 0x0, sizeof(req->cqe)); 57088eea45cSKlaus Jensen req->status = NVME_SUCCESS; 57188eea45cSKlaus Jensen } 57288eea45cSKlaus Jensen 57388eea45cSKlaus Jensen static inline void nvme_sg_init(NvmeCtrl *n, NvmeSg *sg, bool dma) 57488eea45cSKlaus Jensen { 57588eea45cSKlaus Jensen if (dma) { 57648b32c28SKlaus Jensen pci_dma_sglist_init(&sg->qsg, PCI_DEVICE(n), 0); 57788eea45cSKlaus Jensen sg->flags = NVME_SG_DMA; 57888eea45cSKlaus Jensen } else { 57988eea45cSKlaus Jensen qemu_iovec_init(&sg->iov, 0); 58088eea45cSKlaus Jensen } 58188eea45cSKlaus Jensen 58288eea45cSKlaus Jensen sg->flags |= NVME_SG_ALLOC; 58388eea45cSKlaus Jensen } 58488eea45cSKlaus Jensen 58588eea45cSKlaus Jensen static inline void nvme_sg_unmap(NvmeSg *sg) 58688eea45cSKlaus Jensen { 58788eea45cSKlaus Jensen if (!(sg->flags & NVME_SG_ALLOC)) { 58888eea45cSKlaus Jensen return; 58988eea45cSKlaus Jensen } 59088eea45cSKlaus Jensen 59188eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 59288eea45cSKlaus Jensen qemu_sglist_destroy(&sg->qsg); 59388eea45cSKlaus Jensen } else { 59488eea45cSKlaus Jensen qemu_iovec_destroy(&sg->iov); 59588eea45cSKlaus Jensen } 59688eea45cSKlaus Jensen 59788eea45cSKlaus Jensen memset(sg, 0x0, sizeof(*sg)); 59888eea45cSKlaus Jensen } 59988eea45cSKlaus Jensen 60088eea45cSKlaus Jensen /* 60188eea45cSKlaus Jensen * When metadata is transfered as extended LBAs, the DPTR mapped into `sg` 60288eea45cSKlaus Jensen * holds both data and metadata. This function splits the data and metadata 60388eea45cSKlaus Jensen * into two separate QSG/IOVs. 60488eea45cSKlaus Jensen */ 60588eea45cSKlaus Jensen static void nvme_sg_split(NvmeSg *sg, NvmeNamespace *ns, NvmeSg *data, 60688eea45cSKlaus Jensen NvmeSg *mdata) 60788eea45cSKlaus Jensen { 60888eea45cSKlaus Jensen NvmeSg *dst = data; 60988eea45cSKlaus Jensen uint32_t trans_len, count = ns->lbasz; 61088eea45cSKlaus Jensen uint64_t offset = 0; 61188eea45cSKlaus Jensen bool dma = sg->flags & NVME_SG_DMA; 61288eea45cSKlaus Jensen size_t sge_len; 61388eea45cSKlaus Jensen size_t sg_len = dma ? sg->qsg.size : sg->iov.size; 61488eea45cSKlaus Jensen int sg_idx = 0; 61588eea45cSKlaus Jensen 61688eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 61788eea45cSKlaus Jensen 61888eea45cSKlaus Jensen while (sg_len) { 61988eea45cSKlaus Jensen sge_len = dma ? sg->qsg.sg[sg_idx].len : sg->iov.iov[sg_idx].iov_len; 62088eea45cSKlaus Jensen 62188eea45cSKlaus Jensen trans_len = MIN(sg_len, count); 62288eea45cSKlaus Jensen trans_len = MIN(trans_len, sge_len - offset); 62388eea45cSKlaus Jensen 62488eea45cSKlaus Jensen if (dst) { 62588eea45cSKlaus Jensen if (dma) { 62688eea45cSKlaus Jensen qemu_sglist_add(&dst->qsg, sg->qsg.sg[sg_idx].base + offset, 62788eea45cSKlaus Jensen trans_len); 62888eea45cSKlaus Jensen } else { 62988eea45cSKlaus Jensen qemu_iovec_add(&dst->iov, 63088eea45cSKlaus Jensen sg->iov.iov[sg_idx].iov_base + offset, 63188eea45cSKlaus Jensen trans_len); 63288eea45cSKlaus Jensen } 63388eea45cSKlaus Jensen } 63488eea45cSKlaus Jensen 63588eea45cSKlaus Jensen sg_len -= trans_len; 63688eea45cSKlaus Jensen count -= trans_len; 63788eea45cSKlaus Jensen offset += trans_len; 63888eea45cSKlaus Jensen 63988eea45cSKlaus Jensen if (count == 0) { 64088eea45cSKlaus Jensen dst = (dst == data) ? mdata : data; 64188eea45cSKlaus Jensen count = (dst == data) ? ns->lbasz : ns->lbaf.ms; 64288eea45cSKlaus Jensen } 64388eea45cSKlaus Jensen 64488eea45cSKlaus Jensen if (sge_len == offset) { 64588eea45cSKlaus Jensen offset = 0; 64688eea45cSKlaus Jensen sg_idx++; 64788eea45cSKlaus Jensen } 64888eea45cSKlaus Jensen } 64988eea45cSKlaus Jensen } 65088eea45cSKlaus Jensen 65188eea45cSKlaus Jensen static uint16_t nvme_map_addr_cmb(NvmeCtrl *n, QEMUIOVector *iov, hwaddr addr, 65288eea45cSKlaus Jensen size_t len) 65388eea45cSKlaus Jensen { 65488eea45cSKlaus Jensen if (!len) { 65588eea45cSKlaus Jensen return NVME_SUCCESS; 65688eea45cSKlaus Jensen } 65788eea45cSKlaus Jensen 65888eea45cSKlaus Jensen trace_pci_nvme_map_addr_cmb(addr, len); 65988eea45cSKlaus Jensen 66088eea45cSKlaus Jensen if (!nvme_addr_is_cmb(n, addr) || !nvme_addr_is_cmb(n, addr + len - 1)) { 66188eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 66288eea45cSKlaus Jensen } 66388eea45cSKlaus Jensen 66488eea45cSKlaus Jensen qemu_iovec_add(iov, nvme_addr_to_cmb(n, addr), len); 66588eea45cSKlaus Jensen 66688eea45cSKlaus Jensen return NVME_SUCCESS; 66788eea45cSKlaus Jensen } 66888eea45cSKlaus Jensen 66988eea45cSKlaus Jensen static uint16_t nvme_map_addr_pmr(NvmeCtrl *n, QEMUIOVector *iov, hwaddr addr, 67088eea45cSKlaus Jensen size_t len) 67188eea45cSKlaus Jensen { 67288eea45cSKlaus Jensen if (!len) { 67388eea45cSKlaus Jensen return NVME_SUCCESS; 67488eea45cSKlaus Jensen } 67588eea45cSKlaus Jensen 67688eea45cSKlaus Jensen if (!nvme_addr_is_pmr(n, addr) || !nvme_addr_is_pmr(n, addr + len - 1)) { 67788eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 67888eea45cSKlaus Jensen } 67988eea45cSKlaus Jensen 68088eea45cSKlaus Jensen qemu_iovec_add(iov, nvme_addr_to_pmr(n, addr), len); 68188eea45cSKlaus Jensen 68288eea45cSKlaus Jensen return NVME_SUCCESS; 68388eea45cSKlaus Jensen } 68488eea45cSKlaus Jensen 68588eea45cSKlaus Jensen static uint16_t nvme_map_addr(NvmeCtrl *n, NvmeSg *sg, hwaddr addr, size_t len) 68688eea45cSKlaus Jensen { 68788eea45cSKlaus Jensen bool cmb = false, pmr = false; 68888eea45cSKlaus Jensen 68988eea45cSKlaus Jensen if (!len) { 69088eea45cSKlaus Jensen return NVME_SUCCESS; 69188eea45cSKlaus Jensen } 69288eea45cSKlaus Jensen 69388eea45cSKlaus Jensen trace_pci_nvme_map_addr(addr, len); 69488eea45cSKlaus Jensen 695736b0164SKlaus Jensen if (nvme_addr_is_iomem(n, addr)) { 696736b0164SKlaus Jensen return NVME_DATA_TRAS_ERROR; 697736b0164SKlaus Jensen } 698736b0164SKlaus Jensen 69988eea45cSKlaus Jensen if (nvme_addr_is_cmb(n, addr)) { 70088eea45cSKlaus Jensen cmb = true; 70188eea45cSKlaus Jensen } else if (nvme_addr_is_pmr(n, addr)) { 70288eea45cSKlaus Jensen pmr = true; 70388eea45cSKlaus Jensen } 70488eea45cSKlaus Jensen 70588eea45cSKlaus Jensen if (cmb || pmr) { 70688eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 70788eea45cSKlaus Jensen return NVME_INVALID_USE_OF_CMB | NVME_DNR; 70888eea45cSKlaus Jensen } 70988eea45cSKlaus Jensen 71023421473SPadmakar Kalghatgi if (sg->iov.niov + 1 > IOV_MAX) { 71123421473SPadmakar Kalghatgi goto max_mappings_exceeded; 71223421473SPadmakar Kalghatgi } 71323421473SPadmakar Kalghatgi 71488eea45cSKlaus Jensen if (cmb) { 71588eea45cSKlaus Jensen return nvme_map_addr_cmb(n, &sg->iov, addr, len); 71688eea45cSKlaus Jensen } else { 71788eea45cSKlaus Jensen return nvme_map_addr_pmr(n, &sg->iov, addr, len); 71888eea45cSKlaus Jensen } 71988eea45cSKlaus Jensen } 72088eea45cSKlaus Jensen 72188eea45cSKlaus Jensen if (!(sg->flags & NVME_SG_DMA)) { 72288eea45cSKlaus Jensen return NVME_INVALID_USE_OF_CMB | NVME_DNR; 72388eea45cSKlaus Jensen } 72488eea45cSKlaus Jensen 72523421473SPadmakar Kalghatgi if (sg->qsg.nsg + 1 > IOV_MAX) { 72623421473SPadmakar Kalghatgi goto max_mappings_exceeded; 72723421473SPadmakar Kalghatgi } 72823421473SPadmakar Kalghatgi 72988eea45cSKlaus Jensen qemu_sglist_add(&sg->qsg, addr, len); 73088eea45cSKlaus Jensen 73188eea45cSKlaus Jensen return NVME_SUCCESS; 73223421473SPadmakar Kalghatgi 73323421473SPadmakar Kalghatgi max_mappings_exceeded: 73423421473SPadmakar Kalghatgi NVME_GUEST_ERR(pci_nvme_ub_too_many_mappings, 73523421473SPadmakar Kalghatgi "number of mappings exceed 1024"); 73623421473SPadmakar Kalghatgi return NVME_INTERNAL_DEV_ERROR | NVME_DNR; 73788eea45cSKlaus Jensen } 73888eea45cSKlaus Jensen 73988eea45cSKlaus Jensen static inline bool nvme_addr_is_dma(NvmeCtrl *n, hwaddr addr) 74088eea45cSKlaus Jensen { 74188eea45cSKlaus Jensen return !(nvme_addr_is_cmb(n, addr) || nvme_addr_is_pmr(n, addr)); 74288eea45cSKlaus Jensen } 74388eea45cSKlaus Jensen 74488eea45cSKlaus Jensen static uint16_t nvme_map_prp(NvmeCtrl *n, NvmeSg *sg, uint64_t prp1, 74588eea45cSKlaus Jensen uint64_t prp2, uint32_t len) 74688eea45cSKlaus Jensen { 74788eea45cSKlaus Jensen hwaddr trans_len = n->page_size - (prp1 % n->page_size); 74888eea45cSKlaus Jensen trans_len = MIN(len, trans_len); 74988eea45cSKlaus Jensen int num_prps = (len >> n->page_bits) + 1; 75088eea45cSKlaus Jensen uint16_t status; 75188eea45cSKlaus Jensen int ret; 75288eea45cSKlaus Jensen 75388eea45cSKlaus Jensen trace_pci_nvme_map_prp(trans_len, len, prp1, prp2, num_prps); 75488eea45cSKlaus Jensen 75588eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, prp1)); 75688eea45cSKlaus Jensen 75788eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp1, trans_len); 75888eea45cSKlaus Jensen if (status) { 75988eea45cSKlaus Jensen goto unmap; 76088eea45cSKlaus Jensen } 76188eea45cSKlaus Jensen 76288eea45cSKlaus Jensen len -= trans_len; 76388eea45cSKlaus Jensen if (len) { 76488eea45cSKlaus Jensen if (len > n->page_size) { 76588eea45cSKlaus Jensen uint64_t prp_list[n->max_prp_ents]; 76688eea45cSKlaus Jensen uint32_t nents, prp_trans; 76788eea45cSKlaus Jensen int i = 0; 76888eea45cSKlaus Jensen 76988eea45cSKlaus Jensen /* 77088eea45cSKlaus Jensen * The first PRP list entry, pointed to by PRP2 may contain offset. 77188eea45cSKlaus Jensen * Hence, we need to calculate the number of entries in based on 77288eea45cSKlaus Jensen * that offset. 77388eea45cSKlaus Jensen */ 77488eea45cSKlaus Jensen nents = (n->page_size - (prp2 & (n->page_size - 1))) >> 3; 77588eea45cSKlaus Jensen prp_trans = MIN(n->max_prp_ents, nents) * sizeof(uint64_t); 77688eea45cSKlaus Jensen ret = nvme_addr_read(n, prp2, (void *)prp_list, prp_trans); 77788eea45cSKlaus Jensen if (ret) { 77888eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(prp2); 77988eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 78088eea45cSKlaus Jensen goto unmap; 78188eea45cSKlaus Jensen } 78288eea45cSKlaus Jensen while (len != 0) { 78388eea45cSKlaus Jensen uint64_t prp_ent = le64_to_cpu(prp_list[i]); 78488eea45cSKlaus Jensen 78588eea45cSKlaus Jensen if (i == nents - 1 && len > n->page_size) { 78688eea45cSKlaus Jensen if (unlikely(prp_ent & (n->page_size - 1))) { 78788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prplist_ent(prp_ent); 78888eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 78988eea45cSKlaus Jensen goto unmap; 79088eea45cSKlaus Jensen } 79188eea45cSKlaus Jensen 79288eea45cSKlaus Jensen i = 0; 79388eea45cSKlaus Jensen nents = (len + n->page_size - 1) >> n->page_bits; 79488eea45cSKlaus Jensen nents = MIN(nents, n->max_prp_ents); 79588eea45cSKlaus Jensen prp_trans = nents * sizeof(uint64_t); 79688eea45cSKlaus Jensen ret = nvme_addr_read(n, prp_ent, (void *)prp_list, 79788eea45cSKlaus Jensen prp_trans); 79888eea45cSKlaus Jensen if (ret) { 79988eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(prp_ent); 80088eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 80188eea45cSKlaus Jensen goto unmap; 80288eea45cSKlaus Jensen } 80388eea45cSKlaus Jensen prp_ent = le64_to_cpu(prp_list[i]); 80488eea45cSKlaus Jensen } 80588eea45cSKlaus Jensen 80688eea45cSKlaus Jensen if (unlikely(prp_ent & (n->page_size - 1))) { 80788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prplist_ent(prp_ent); 80888eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 80988eea45cSKlaus Jensen goto unmap; 81088eea45cSKlaus Jensen } 81188eea45cSKlaus Jensen 81288eea45cSKlaus Jensen trans_len = MIN(len, n->page_size); 81388eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp_ent, trans_len); 81488eea45cSKlaus Jensen if (status) { 81588eea45cSKlaus Jensen goto unmap; 81688eea45cSKlaus Jensen } 81788eea45cSKlaus Jensen 81888eea45cSKlaus Jensen len -= trans_len; 81988eea45cSKlaus Jensen i++; 82088eea45cSKlaus Jensen } 82188eea45cSKlaus Jensen } else { 82288eea45cSKlaus Jensen if (unlikely(prp2 & (n->page_size - 1))) { 82388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prp2_align(prp2); 82488eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 82588eea45cSKlaus Jensen goto unmap; 82688eea45cSKlaus Jensen } 82788eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp2, len); 82888eea45cSKlaus Jensen if (status) { 82988eea45cSKlaus Jensen goto unmap; 83088eea45cSKlaus Jensen } 83188eea45cSKlaus Jensen } 83288eea45cSKlaus Jensen } 83388eea45cSKlaus Jensen 83488eea45cSKlaus Jensen return NVME_SUCCESS; 83588eea45cSKlaus Jensen 83688eea45cSKlaus Jensen unmap: 83788eea45cSKlaus Jensen nvme_sg_unmap(sg); 83888eea45cSKlaus Jensen return status; 83988eea45cSKlaus Jensen } 84088eea45cSKlaus Jensen 84188eea45cSKlaus Jensen /* 84288eea45cSKlaus Jensen * Map 'nsgld' data descriptors from 'segment'. The function will subtract the 84388eea45cSKlaus Jensen * number of bytes mapped in len. 84488eea45cSKlaus Jensen */ 84588eea45cSKlaus Jensen static uint16_t nvme_map_sgl_data(NvmeCtrl *n, NvmeSg *sg, 84688eea45cSKlaus Jensen NvmeSglDescriptor *segment, uint64_t nsgld, 84788eea45cSKlaus Jensen size_t *len, NvmeCmd *cmd) 84888eea45cSKlaus Jensen { 84988eea45cSKlaus Jensen dma_addr_t addr, trans_len; 85088eea45cSKlaus Jensen uint32_t dlen; 85188eea45cSKlaus Jensen uint16_t status; 85288eea45cSKlaus Jensen 85388eea45cSKlaus Jensen for (int i = 0; i < nsgld; i++) { 85488eea45cSKlaus Jensen uint8_t type = NVME_SGL_TYPE(segment[i].type); 85588eea45cSKlaus Jensen 85688eea45cSKlaus Jensen switch (type) { 85788eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_DATA_BLOCK: 85888eea45cSKlaus Jensen break; 85988eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_SEGMENT: 86088eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_LAST_SEGMENT: 86188eea45cSKlaus Jensen return NVME_INVALID_NUM_SGL_DESCRS | NVME_DNR; 86288eea45cSKlaus Jensen default: 86388eea45cSKlaus Jensen return NVME_SGL_DESCR_TYPE_INVALID | NVME_DNR; 86488eea45cSKlaus Jensen } 86588eea45cSKlaus Jensen 86688eea45cSKlaus Jensen dlen = le32_to_cpu(segment[i].len); 86788eea45cSKlaus Jensen 86888eea45cSKlaus Jensen if (!dlen) { 86988eea45cSKlaus Jensen continue; 87088eea45cSKlaus Jensen } 87188eea45cSKlaus Jensen 87288eea45cSKlaus Jensen if (*len == 0) { 87388eea45cSKlaus Jensen /* 87488eea45cSKlaus Jensen * All data has been mapped, but the SGL contains additional 87588eea45cSKlaus Jensen * segments and/or descriptors. The controller might accept 87688eea45cSKlaus Jensen * ignoring the rest of the SGL. 87788eea45cSKlaus Jensen */ 87888eea45cSKlaus Jensen uint32_t sgls = le32_to_cpu(n->id_ctrl.sgls); 87988eea45cSKlaus Jensen if (sgls & NVME_CTRL_SGLS_EXCESS_LENGTH) { 88088eea45cSKlaus Jensen break; 88188eea45cSKlaus Jensen } 88288eea45cSKlaus Jensen 88388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_sgl_excess_length(dlen); 88488eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 88588eea45cSKlaus Jensen } 88688eea45cSKlaus Jensen 88788eea45cSKlaus Jensen trans_len = MIN(*len, dlen); 88888eea45cSKlaus Jensen 88988eea45cSKlaus Jensen addr = le64_to_cpu(segment[i].addr); 89088eea45cSKlaus Jensen 89188eea45cSKlaus Jensen if (UINT64_MAX - addr < dlen) { 89288eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 89388eea45cSKlaus Jensen } 89488eea45cSKlaus Jensen 89588eea45cSKlaus Jensen status = nvme_map_addr(n, sg, addr, trans_len); 89688eea45cSKlaus Jensen if (status) { 89788eea45cSKlaus Jensen return status; 89888eea45cSKlaus Jensen } 89988eea45cSKlaus Jensen 90088eea45cSKlaus Jensen *len -= trans_len; 90188eea45cSKlaus Jensen } 90288eea45cSKlaus Jensen 90388eea45cSKlaus Jensen return NVME_SUCCESS; 90488eea45cSKlaus Jensen } 90588eea45cSKlaus Jensen 90688eea45cSKlaus Jensen static uint16_t nvme_map_sgl(NvmeCtrl *n, NvmeSg *sg, NvmeSglDescriptor sgl, 90788eea45cSKlaus Jensen size_t len, NvmeCmd *cmd) 90888eea45cSKlaus Jensen { 90988eea45cSKlaus Jensen /* 91088eea45cSKlaus Jensen * Read the segment in chunks of 256 descriptors (one 4k page) to avoid 91188eea45cSKlaus Jensen * dynamically allocating a potentially huge SGL. The spec allows the SGL 91288eea45cSKlaus Jensen * to be larger (as in number of bytes required to describe the SGL 91388eea45cSKlaus Jensen * descriptors and segment chain) than the command transfer size, so it is 91488eea45cSKlaus Jensen * not bounded by MDTS. 91588eea45cSKlaus Jensen */ 91688eea45cSKlaus Jensen const int SEG_CHUNK_SIZE = 256; 91788eea45cSKlaus Jensen 91888eea45cSKlaus Jensen NvmeSglDescriptor segment[SEG_CHUNK_SIZE], *sgld, *last_sgld; 91988eea45cSKlaus Jensen uint64_t nsgld; 92088eea45cSKlaus Jensen uint32_t seg_len; 92188eea45cSKlaus Jensen uint16_t status; 92288eea45cSKlaus Jensen hwaddr addr; 92388eea45cSKlaus Jensen int ret; 92488eea45cSKlaus Jensen 92588eea45cSKlaus Jensen sgld = &sgl; 92688eea45cSKlaus Jensen addr = le64_to_cpu(sgl.addr); 92788eea45cSKlaus Jensen 92888eea45cSKlaus Jensen trace_pci_nvme_map_sgl(NVME_SGL_TYPE(sgl.type), len); 92988eea45cSKlaus Jensen 93088eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, addr)); 93188eea45cSKlaus Jensen 93288eea45cSKlaus Jensen /* 93388eea45cSKlaus Jensen * If the entire transfer can be described with a single data block it can 93488eea45cSKlaus Jensen * be mapped directly. 93588eea45cSKlaus Jensen */ 93688eea45cSKlaus Jensen if (NVME_SGL_TYPE(sgl.type) == NVME_SGL_DESCR_TYPE_DATA_BLOCK) { 93788eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, sgld, 1, &len, cmd); 93888eea45cSKlaus Jensen if (status) { 93988eea45cSKlaus Jensen goto unmap; 94088eea45cSKlaus Jensen } 94188eea45cSKlaus Jensen 94288eea45cSKlaus Jensen goto out; 94388eea45cSKlaus Jensen } 94488eea45cSKlaus Jensen 94588eea45cSKlaus Jensen for (;;) { 94688eea45cSKlaus Jensen switch (NVME_SGL_TYPE(sgld->type)) { 94788eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_SEGMENT: 94888eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_LAST_SEGMENT: 94988eea45cSKlaus Jensen break; 95088eea45cSKlaus Jensen default: 95188eea45cSKlaus Jensen return NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 95288eea45cSKlaus Jensen } 95388eea45cSKlaus Jensen 95488eea45cSKlaus Jensen seg_len = le32_to_cpu(sgld->len); 95588eea45cSKlaus Jensen 95688eea45cSKlaus Jensen /* check the length of the (Last) Segment descriptor */ 957b9147a3aSKlaus Jensen if (!seg_len || seg_len & 0xf) { 95888eea45cSKlaus Jensen return NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 95988eea45cSKlaus Jensen } 96088eea45cSKlaus Jensen 96188eea45cSKlaus Jensen if (UINT64_MAX - addr < seg_len) { 96288eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 96388eea45cSKlaus Jensen } 96488eea45cSKlaus Jensen 96588eea45cSKlaus Jensen nsgld = seg_len / sizeof(NvmeSglDescriptor); 96688eea45cSKlaus Jensen 96788eea45cSKlaus Jensen while (nsgld > SEG_CHUNK_SIZE) { 96888eea45cSKlaus Jensen if (nvme_addr_read(n, addr, segment, sizeof(segment))) { 96988eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 97088eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 97188eea45cSKlaus Jensen goto unmap; 97288eea45cSKlaus Jensen } 97388eea45cSKlaus Jensen 97488eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, SEG_CHUNK_SIZE, 97588eea45cSKlaus Jensen &len, cmd); 97688eea45cSKlaus Jensen if (status) { 97788eea45cSKlaus Jensen goto unmap; 97888eea45cSKlaus Jensen } 97988eea45cSKlaus Jensen 98088eea45cSKlaus Jensen nsgld -= SEG_CHUNK_SIZE; 98188eea45cSKlaus Jensen addr += SEG_CHUNK_SIZE * sizeof(NvmeSglDescriptor); 98288eea45cSKlaus Jensen } 98388eea45cSKlaus Jensen 98488eea45cSKlaus Jensen ret = nvme_addr_read(n, addr, segment, nsgld * 98588eea45cSKlaus Jensen sizeof(NvmeSglDescriptor)); 98688eea45cSKlaus Jensen if (ret) { 98788eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 98888eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 98988eea45cSKlaus Jensen goto unmap; 99088eea45cSKlaus Jensen } 99188eea45cSKlaus Jensen 99288eea45cSKlaus Jensen last_sgld = &segment[nsgld - 1]; 99388eea45cSKlaus Jensen 99488eea45cSKlaus Jensen /* 995b9147a3aSKlaus Jensen * If the segment ends with a Data Block, then we are done. 99688eea45cSKlaus Jensen */ 997b9147a3aSKlaus Jensen if (NVME_SGL_TYPE(last_sgld->type) == NVME_SGL_DESCR_TYPE_DATA_BLOCK) { 99888eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, nsgld, &len, cmd); 99988eea45cSKlaus Jensen if (status) { 100088eea45cSKlaus Jensen goto unmap; 100188eea45cSKlaus Jensen } 100288eea45cSKlaus Jensen 100388eea45cSKlaus Jensen goto out; 100488eea45cSKlaus Jensen } 100588eea45cSKlaus Jensen 100688eea45cSKlaus Jensen /* 1007b9147a3aSKlaus Jensen * If the last descriptor was not a Data Block, then the current 1008b9147a3aSKlaus Jensen * segment must not be a Last Segment. 100988eea45cSKlaus Jensen */ 101088eea45cSKlaus Jensen if (NVME_SGL_TYPE(sgld->type) == NVME_SGL_DESCR_TYPE_LAST_SEGMENT) { 101188eea45cSKlaus Jensen status = NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 101288eea45cSKlaus Jensen goto unmap; 101388eea45cSKlaus Jensen } 101488eea45cSKlaus Jensen 101588eea45cSKlaus Jensen sgld = last_sgld; 101688eea45cSKlaus Jensen addr = le64_to_cpu(sgld->addr); 101788eea45cSKlaus Jensen 101888eea45cSKlaus Jensen /* 101988eea45cSKlaus Jensen * Do not map the last descriptor; it will be a Segment or Last Segment 102088eea45cSKlaus Jensen * descriptor and is handled by the next iteration. 102188eea45cSKlaus Jensen */ 102288eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, nsgld - 1, &len, cmd); 102388eea45cSKlaus Jensen if (status) { 102488eea45cSKlaus Jensen goto unmap; 102588eea45cSKlaus Jensen } 102688eea45cSKlaus Jensen } 102788eea45cSKlaus Jensen 102888eea45cSKlaus Jensen out: 102988eea45cSKlaus Jensen /* if there is any residual left in len, the SGL was too short */ 103088eea45cSKlaus Jensen if (len) { 103188eea45cSKlaus Jensen status = NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 103288eea45cSKlaus Jensen goto unmap; 103388eea45cSKlaus Jensen } 103488eea45cSKlaus Jensen 103588eea45cSKlaus Jensen return NVME_SUCCESS; 103688eea45cSKlaus Jensen 103788eea45cSKlaus Jensen unmap: 103888eea45cSKlaus Jensen nvme_sg_unmap(sg); 103988eea45cSKlaus Jensen return status; 104088eea45cSKlaus Jensen } 104188eea45cSKlaus Jensen 104288eea45cSKlaus Jensen uint16_t nvme_map_dptr(NvmeCtrl *n, NvmeSg *sg, size_t len, 104388eea45cSKlaus Jensen NvmeCmd *cmd) 104488eea45cSKlaus Jensen { 104588eea45cSKlaus Jensen uint64_t prp1, prp2; 104688eea45cSKlaus Jensen 104788eea45cSKlaus Jensen switch (NVME_CMD_FLAGS_PSDT(cmd->flags)) { 104888eea45cSKlaus Jensen case NVME_PSDT_PRP: 104988eea45cSKlaus Jensen prp1 = le64_to_cpu(cmd->dptr.prp1); 105088eea45cSKlaus Jensen prp2 = le64_to_cpu(cmd->dptr.prp2); 105188eea45cSKlaus Jensen 105288eea45cSKlaus Jensen return nvme_map_prp(n, sg, prp1, prp2, len); 105388eea45cSKlaus Jensen case NVME_PSDT_SGL_MPTR_CONTIGUOUS: 105488eea45cSKlaus Jensen case NVME_PSDT_SGL_MPTR_SGL: 105588eea45cSKlaus Jensen return nvme_map_sgl(n, sg, cmd->dptr.sgl, len, cmd); 105688eea45cSKlaus Jensen default: 105788eea45cSKlaus Jensen return NVME_INVALID_FIELD; 105888eea45cSKlaus Jensen } 105988eea45cSKlaus Jensen } 106088eea45cSKlaus Jensen 106188eea45cSKlaus Jensen static uint16_t nvme_map_mptr(NvmeCtrl *n, NvmeSg *sg, size_t len, 106288eea45cSKlaus Jensen NvmeCmd *cmd) 106388eea45cSKlaus Jensen { 106488eea45cSKlaus Jensen int psdt = NVME_CMD_FLAGS_PSDT(cmd->flags); 106588eea45cSKlaus Jensen hwaddr mptr = le64_to_cpu(cmd->mptr); 106688eea45cSKlaus Jensen uint16_t status; 106788eea45cSKlaus Jensen 106888eea45cSKlaus Jensen if (psdt == NVME_PSDT_SGL_MPTR_SGL) { 106988eea45cSKlaus Jensen NvmeSglDescriptor sgl; 107088eea45cSKlaus Jensen 107188eea45cSKlaus Jensen if (nvme_addr_read(n, mptr, &sgl, sizeof(sgl))) { 107288eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 107388eea45cSKlaus Jensen } 107488eea45cSKlaus Jensen 107588eea45cSKlaus Jensen status = nvme_map_sgl(n, sg, sgl, len, cmd); 107688eea45cSKlaus Jensen if (status && (status & 0x7ff) == NVME_DATA_SGL_LEN_INVALID) { 107788eea45cSKlaus Jensen status = NVME_MD_SGL_LEN_INVALID | NVME_DNR; 107888eea45cSKlaus Jensen } 107988eea45cSKlaus Jensen 108088eea45cSKlaus Jensen return status; 108188eea45cSKlaus Jensen } 108288eea45cSKlaus Jensen 108388eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, mptr)); 108488eea45cSKlaus Jensen status = nvme_map_addr(n, sg, mptr, len); 108588eea45cSKlaus Jensen if (status) { 108688eea45cSKlaus Jensen nvme_sg_unmap(sg); 108788eea45cSKlaus Jensen } 108888eea45cSKlaus Jensen 108988eea45cSKlaus Jensen return status; 109088eea45cSKlaus Jensen } 109188eea45cSKlaus Jensen 109288eea45cSKlaus Jensen static uint16_t nvme_map_data(NvmeCtrl *n, uint32_t nlb, NvmeRequest *req) 109388eea45cSKlaus Jensen { 109488eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 109588eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 10962a132309SKlaus Jensen bool pi = !!NVME_ID_NS_DPS_TYPE(ns->id_ns.dps); 10972a132309SKlaus Jensen bool pract = !!(le16_to_cpu(rw->control) & NVME_RW_PRINFO_PRACT); 109888eea45cSKlaus Jensen size_t len = nvme_l2b(ns, nlb); 109988eea45cSKlaus Jensen uint16_t status; 110088eea45cSKlaus Jensen 1101ac0b34c5SKlaus Jensen if (nvme_ns_ext(ns) && 1102ac0b34c5SKlaus Jensen !(pi && pract && ns->lbaf.ms == nvme_pi_tuple_size(ns))) { 110388eea45cSKlaus Jensen NvmeSg sg; 110488eea45cSKlaus Jensen 110588eea45cSKlaus Jensen len += nvme_m2b(ns, nlb); 110688eea45cSKlaus Jensen 110788eea45cSKlaus Jensen status = nvme_map_dptr(n, &sg, len, &req->cmd); 110888eea45cSKlaus Jensen if (status) { 110988eea45cSKlaus Jensen return status; 111088eea45cSKlaus Jensen } 111188eea45cSKlaus Jensen 111288eea45cSKlaus Jensen nvme_sg_init(n, &req->sg, sg.flags & NVME_SG_DMA); 111388eea45cSKlaus Jensen nvme_sg_split(&sg, ns, &req->sg, NULL); 111488eea45cSKlaus Jensen nvme_sg_unmap(&sg); 111588eea45cSKlaus Jensen 111688eea45cSKlaus Jensen return NVME_SUCCESS; 111788eea45cSKlaus Jensen } 111888eea45cSKlaus Jensen 111988eea45cSKlaus Jensen return nvme_map_dptr(n, &req->sg, len, &req->cmd); 112088eea45cSKlaus Jensen } 112188eea45cSKlaus Jensen 112288eea45cSKlaus Jensen static uint16_t nvme_map_mdata(NvmeCtrl *n, uint32_t nlb, NvmeRequest *req) 112388eea45cSKlaus Jensen { 112488eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 112588eea45cSKlaus Jensen size_t len = nvme_m2b(ns, nlb); 112688eea45cSKlaus Jensen uint16_t status; 112788eea45cSKlaus Jensen 112888eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 112988eea45cSKlaus Jensen NvmeSg sg; 113088eea45cSKlaus Jensen 113188eea45cSKlaus Jensen len += nvme_l2b(ns, nlb); 113288eea45cSKlaus Jensen 113388eea45cSKlaus Jensen status = nvme_map_dptr(n, &sg, len, &req->cmd); 113488eea45cSKlaus Jensen if (status) { 113588eea45cSKlaus Jensen return status; 113688eea45cSKlaus Jensen } 113788eea45cSKlaus Jensen 113888eea45cSKlaus Jensen nvme_sg_init(n, &req->sg, sg.flags & NVME_SG_DMA); 113988eea45cSKlaus Jensen nvme_sg_split(&sg, ns, NULL, &req->sg); 114088eea45cSKlaus Jensen nvme_sg_unmap(&sg); 114188eea45cSKlaus Jensen 114288eea45cSKlaus Jensen return NVME_SUCCESS; 114388eea45cSKlaus Jensen } 114488eea45cSKlaus Jensen 114588eea45cSKlaus Jensen return nvme_map_mptr(n, &req->sg, len, &req->cmd); 114688eea45cSKlaus Jensen } 114788eea45cSKlaus Jensen 114888eea45cSKlaus Jensen static uint16_t nvme_tx_interleaved(NvmeCtrl *n, NvmeSg *sg, uint8_t *ptr, 114988eea45cSKlaus Jensen uint32_t len, uint32_t bytes, 115088eea45cSKlaus Jensen int32_t skip_bytes, int64_t offset, 115188eea45cSKlaus Jensen NvmeTxDirection dir) 115288eea45cSKlaus Jensen { 115388eea45cSKlaus Jensen hwaddr addr; 115488eea45cSKlaus Jensen uint32_t trans_len, count = bytes; 115588eea45cSKlaus Jensen bool dma = sg->flags & NVME_SG_DMA; 115688eea45cSKlaus Jensen int64_t sge_len; 115788eea45cSKlaus Jensen int sg_idx = 0; 115888eea45cSKlaus Jensen int ret; 115988eea45cSKlaus Jensen 116088eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 116188eea45cSKlaus Jensen 116288eea45cSKlaus Jensen while (len) { 116388eea45cSKlaus Jensen sge_len = dma ? sg->qsg.sg[sg_idx].len : sg->iov.iov[sg_idx].iov_len; 116488eea45cSKlaus Jensen 116588eea45cSKlaus Jensen if (sge_len - offset < 0) { 116688eea45cSKlaus Jensen offset -= sge_len; 116788eea45cSKlaus Jensen sg_idx++; 116888eea45cSKlaus Jensen continue; 116988eea45cSKlaus Jensen } 117088eea45cSKlaus Jensen 117188eea45cSKlaus Jensen if (sge_len == offset) { 117288eea45cSKlaus Jensen offset = 0; 117388eea45cSKlaus Jensen sg_idx++; 117488eea45cSKlaus Jensen continue; 117588eea45cSKlaus Jensen } 117688eea45cSKlaus Jensen 117788eea45cSKlaus Jensen trans_len = MIN(len, count); 117888eea45cSKlaus Jensen trans_len = MIN(trans_len, sge_len - offset); 117988eea45cSKlaus Jensen 118088eea45cSKlaus Jensen if (dma) { 118188eea45cSKlaus Jensen addr = sg->qsg.sg[sg_idx].base + offset; 118288eea45cSKlaus Jensen } else { 118388eea45cSKlaus Jensen addr = (hwaddr)(uintptr_t)sg->iov.iov[sg_idx].iov_base + offset; 118488eea45cSKlaus Jensen } 118588eea45cSKlaus Jensen 118688eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 118788eea45cSKlaus Jensen ret = nvme_addr_read(n, addr, ptr, trans_len); 118888eea45cSKlaus Jensen } else { 118988eea45cSKlaus Jensen ret = nvme_addr_write(n, addr, ptr, trans_len); 119088eea45cSKlaus Jensen } 119188eea45cSKlaus Jensen 119288eea45cSKlaus Jensen if (ret) { 119388eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 119488eea45cSKlaus Jensen } 119588eea45cSKlaus Jensen 119688eea45cSKlaus Jensen ptr += trans_len; 119788eea45cSKlaus Jensen len -= trans_len; 119888eea45cSKlaus Jensen count -= trans_len; 119988eea45cSKlaus Jensen offset += trans_len; 120088eea45cSKlaus Jensen 120188eea45cSKlaus Jensen if (count == 0) { 120288eea45cSKlaus Jensen count = bytes; 120388eea45cSKlaus Jensen offset += skip_bytes; 120488eea45cSKlaus Jensen } 120588eea45cSKlaus Jensen } 120688eea45cSKlaus Jensen 120788eea45cSKlaus Jensen return NVME_SUCCESS; 120888eea45cSKlaus Jensen } 120988eea45cSKlaus Jensen 12108d3a17beSPhilippe Mathieu-Daudé static uint16_t nvme_tx(NvmeCtrl *n, NvmeSg *sg, void *ptr, uint32_t len, 121188eea45cSKlaus Jensen NvmeTxDirection dir) 121288eea45cSKlaus Jensen { 121388eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 121488eea45cSKlaus Jensen 121588eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 1216392e48afSPhilippe Mathieu-Daudé const MemTxAttrs attrs = MEMTXATTRS_UNSPECIFIED; 1217bfa30f39SPhilippe Mathieu-Daudé dma_addr_t residual; 121888eea45cSKlaus Jensen 121988eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 1220f02b664aSPhilippe Mathieu-Daudé dma_buf_write(ptr, len, &residual, &sg->qsg, attrs); 122188eea45cSKlaus Jensen } else { 1222f02b664aSPhilippe Mathieu-Daudé dma_buf_read(ptr, len, &residual, &sg->qsg, attrs); 122388eea45cSKlaus Jensen } 122488eea45cSKlaus Jensen 122588eea45cSKlaus Jensen if (unlikely(residual)) { 122688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_dma(); 122788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 122888eea45cSKlaus Jensen } 122988eea45cSKlaus Jensen } else { 123088eea45cSKlaus Jensen size_t bytes; 123188eea45cSKlaus Jensen 123288eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 123388eea45cSKlaus Jensen bytes = qemu_iovec_to_buf(&sg->iov, 0, ptr, len); 123488eea45cSKlaus Jensen } else { 123588eea45cSKlaus Jensen bytes = qemu_iovec_from_buf(&sg->iov, 0, ptr, len); 123688eea45cSKlaus Jensen } 123788eea45cSKlaus Jensen 123888eea45cSKlaus Jensen if (unlikely(bytes != len)) { 123988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_dma(); 124088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 124188eea45cSKlaus Jensen } 124288eea45cSKlaus Jensen } 124388eea45cSKlaus Jensen 124488eea45cSKlaus Jensen return NVME_SUCCESS; 124588eea45cSKlaus Jensen } 124688eea45cSKlaus Jensen 12478d3a17beSPhilippe Mathieu-Daudé static inline uint16_t nvme_c2h(NvmeCtrl *n, void *ptr, uint32_t len, 124888eea45cSKlaus Jensen NvmeRequest *req) 124988eea45cSKlaus Jensen { 125088eea45cSKlaus Jensen uint16_t status; 125188eea45cSKlaus Jensen 125288eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 125388eea45cSKlaus Jensen if (status) { 125488eea45cSKlaus Jensen return status; 125588eea45cSKlaus Jensen } 125688eea45cSKlaus Jensen 125788eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, NVME_TX_DIRECTION_FROM_DEVICE); 125888eea45cSKlaus Jensen } 125988eea45cSKlaus Jensen 12608d3a17beSPhilippe Mathieu-Daudé static inline uint16_t nvme_h2c(NvmeCtrl *n, void *ptr, uint32_t len, 126188eea45cSKlaus Jensen NvmeRequest *req) 126288eea45cSKlaus Jensen { 126388eea45cSKlaus Jensen uint16_t status; 126488eea45cSKlaus Jensen 126588eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 126688eea45cSKlaus Jensen if (status) { 126788eea45cSKlaus Jensen return status; 126888eea45cSKlaus Jensen } 126988eea45cSKlaus Jensen 127088eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, NVME_TX_DIRECTION_TO_DEVICE); 127188eea45cSKlaus Jensen } 127288eea45cSKlaus Jensen 12738d3a17beSPhilippe Mathieu-Daudé uint16_t nvme_bounce_data(NvmeCtrl *n, void *ptr, uint32_t len, 127488eea45cSKlaus Jensen NvmeTxDirection dir, NvmeRequest *req) 127588eea45cSKlaus Jensen { 127688eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 127788eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 12782a132309SKlaus Jensen bool pi = !!NVME_ID_NS_DPS_TYPE(ns->id_ns.dps); 12792a132309SKlaus Jensen bool pract = !!(le16_to_cpu(rw->control) & NVME_RW_PRINFO_PRACT); 128088eea45cSKlaus Jensen 1281ac0b34c5SKlaus Jensen if (nvme_ns_ext(ns) && 1282ac0b34c5SKlaus Jensen !(pi && pract && ns->lbaf.ms == nvme_pi_tuple_size(ns))) { 128388eea45cSKlaus Jensen return nvme_tx_interleaved(n, &req->sg, ptr, len, ns->lbasz, 128488eea45cSKlaus Jensen ns->lbaf.ms, 0, dir); 128588eea45cSKlaus Jensen } 128688eea45cSKlaus Jensen 128788eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, dir); 128888eea45cSKlaus Jensen } 128988eea45cSKlaus Jensen 12908d3a17beSPhilippe Mathieu-Daudé uint16_t nvme_bounce_mdata(NvmeCtrl *n, void *ptr, uint32_t len, 129188eea45cSKlaus Jensen NvmeTxDirection dir, NvmeRequest *req) 129288eea45cSKlaus Jensen { 129388eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 129488eea45cSKlaus Jensen uint16_t status; 129588eea45cSKlaus Jensen 129688eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 129788eea45cSKlaus Jensen return nvme_tx_interleaved(n, &req->sg, ptr, len, ns->lbaf.ms, 129888eea45cSKlaus Jensen ns->lbasz, ns->lbasz, dir); 129988eea45cSKlaus Jensen } 130088eea45cSKlaus Jensen 130188eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 130288eea45cSKlaus Jensen 130388eea45cSKlaus Jensen status = nvme_map_mptr(n, &req->sg, len, &req->cmd); 130488eea45cSKlaus Jensen if (status) { 130588eea45cSKlaus Jensen return status; 130688eea45cSKlaus Jensen } 130788eea45cSKlaus Jensen 130888eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, dir); 130988eea45cSKlaus Jensen } 131088eea45cSKlaus Jensen 131188eea45cSKlaus Jensen static inline void nvme_blk_read(BlockBackend *blk, int64_t offset, 131288eea45cSKlaus Jensen BlockCompletionFunc *cb, NvmeRequest *req) 131388eea45cSKlaus Jensen { 131488eea45cSKlaus Jensen assert(req->sg.flags & NVME_SG_ALLOC); 131588eea45cSKlaus Jensen 131688eea45cSKlaus Jensen if (req->sg.flags & NVME_SG_DMA) { 131788eea45cSKlaus Jensen req->aiocb = dma_blk_read(blk, &req->sg.qsg, offset, BDRV_SECTOR_SIZE, 131888eea45cSKlaus Jensen cb, req); 131988eea45cSKlaus Jensen } else { 132088eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &req->sg.iov, 0, cb, req); 132188eea45cSKlaus Jensen } 132288eea45cSKlaus Jensen } 132388eea45cSKlaus Jensen 132488eea45cSKlaus Jensen static inline void nvme_blk_write(BlockBackend *blk, int64_t offset, 132588eea45cSKlaus Jensen BlockCompletionFunc *cb, NvmeRequest *req) 132688eea45cSKlaus Jensen { 132788eea45cSKlaus Jensen assert(req->sg.flags & NVME_SG_ALLOC); 132888eea45cSKlaus Jensen 132988eea45cSKlaus Jensen if (req->sg.flags & NVME_SG_DMA) { 133088eea45cSKlaus Jensen req->aiocb = dma_blk_write(blk, &req->sg.qsg, offset, BDRV_SECTOR_SIZE, 133188eea45cSKlaus Jensen cb, req); 133288eea45cSKlaus Jensen } else { 133388eea45cSKlaus Jensen req->aiocb = blk_aio_pwritev(blk, offset, &req->sg.iov, 0, cb, req); 133488eea45cSKlaus Jensen } 133588eea45cSKlaus Jensen } 133688eea45cSKlaus Jensen 1337fa5db2aaSKlaus Jensen static void nvme_update_cq_eventidx(const NvmeCQueue *cq) 1338fa5db2aaSKlaus Jensen { 1339fa5db2aaSKlaus Jensen uint32_t v = cpu_to_le32(cq->head); 1340fa5db2aaSKlaus Jensen 1341fa5db2aaSKlaus Jensen trace_pci_nvme_update_cq_eventidx(cq->cqid, cq->head); 1342fa5db2aaSKlaus Jensen 1343fa5db2aaSKlaus Jensen pci_dma_write(PCI_DEVICE(cq->ctrl), cq->ei_addr, &v, sizeof(v)); 1344fa5db2aaSKlaus Jensen } 1345fa5db2aaSKlaus Jensen 13463f7fe8deSJinhao Fan static void nvme_update_cq_head(NvmeCQueue *cq) 13473f7fe8deSJinhao Fan { 13482fda0726SKlaus Jensen uint32_t v; 13492fda0726SKlaus Jensen 13502fda0726SKlaus Jensen pci_dma_read(PCI_DEVICE(cq->ctrl), cq->db_addr, &v, sizeof(v)); 13512fda0726SKlaus Jensen 13522fda0726SKlaus Jensen cq->head = le32_to_cpu(v); 135347cd3539SKlaus Jensen 135447cd3539SKlaus Jensen trace_pci_nvme_update_cq_head(cq->cqid, cq->head); 13553f7fe8deSJinhao Fan } 13563f7fe8deSJinhao Fan 135788eea45cSKlaus Jensen static void nvme_post_cqes(void *opaque) 135888eea45cSKlaus Jensen { 135988eea45cSKlaus Jensen NvmeCQueue *cq = opaque; 136088eea45cSKlaus Jensen NvmeCtrl *n = cq->ctrl; 136188eea45cSKlaus Jensen NvmeRequest *req, *next; 136283d7ed5cSKlaus Jensen bool pending = cq->head != cq->tail; 136388eea45cSKlaus Jensen int ret; 136488eea45cSKlaus Jensen 136588eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(req, &cq->req_list, entry, next) { 136688eea45cSKlaus Jensen NvmeSQueue *sq; 136788eea45cSKlaus Jensen hwaddr addr; 136888eea45cSKlaus Jensen 13693f7fe8deSJinhao Fan if (n->dbbuf_enabled) { 1370fa5db2aaSKlaus Jensen nvme_update_cq_eventidx(cq); 13713f7fe8deSJinhao Fan nvme_update_cq_head(cq); 13723f7fe8deSJinhao Fan } 13733f7fe8deSJinhao Fan 137488eea45cSKlaus Jensen if (nvme_cq_full(cq)) { 137588eea45cSKlaus Jensen break; 137688eea45cSKlaus Jensen } 137788eea45cSKlaus Jensen 137888eea45cSKlaus Jensen sq = req->sq; 137988eea45cSKlaus Jensen req->cqe.status = cpu_to_le16((req->status << 1) | cq->phase); 138088eea45cSKlaus Jensen req->cqe.sq_id = cpu_to_le16(sq->sqid); 138188eea45cSKlaus Jensen req->cqe.sq_head = cpu_to_le16(sq->head); 138288eea45cSKlaus Jensen addr = cq->dma_addr + cq->tail * n->cqe_size; 138348b32c28SKlaus Jensen ret = pci_dma_write(PCI_DEVICE(n), addr, (void *)&req->cqe, 138488eea45cSKlaus Jensen sizeof(req->cqe)); 138588eea45cSKlaus Jensen if (ret) { 138688eea45cSKlaus Jensen trace_pci_nvme_err_addr_write(addr); 138788eea45cSKlaus Jensen trace_pci_nvme_err_cfs(); 138849e03457SKlaus Jensen stl_le_p(&n->bar.csts, NVME_CSTS_FAILED); 138988eea45cSKlaus Jensen break; 139088eea45cSKlaus Jensen } 139188eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->req_list, req, entry); 139288eea45cSKlaus Jensen nvme_inc_cq_tail(cq); 139388eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 139488eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->req_list, req, entry); 139588eea45cSKlaus Jensen } 139688eea45cSKlaus Jensen if (cq->tail != cq->head) { 139783d7ed5cSKlaus Jensen if (cq->irq_enabled && !pending) { 139883d7ed5cSKlaus Jensen n->cq_pending++; 139983d7ed5cSKlaus Jensen } 140083d7ed5cSKlaus Jensen 140188eea45cSKlaus Jensen nvme_irq_assert(n, cq); 140288eea45cSKlaus Jensen } 140388eea45cSKlaus Jensen } 140488eea45cSKlaus Jensen 140588eea45cSKlaus Jensen static void nvme_enqueue_req_completion(NvmeCQueue *cq, NvmeRequest *req) 140688eea45cSKlaus Jensen { 140788eea45cSKlaus Jensen assert(cq->cqid == req->sq->cqid); 140888eea45cSKlaus Jensen trace_pci_nvme_enqueue_req_completion(nvme_cid(req), cq->cqid, 1409f1c97407SKlaus Jensen le32_to_cpu(req->cqe.result), 1410f1c97407SKlaus Jensen le32_to_cpu(req->cqe.dw1), 141188eea45cSKlaus Jensen req->status); 141288eea45cSKlaus Jensen 141388eea45cSKlaus Jensen if (req->status) { 141488eea45cSKlaus Jensen trace_pci_nvme_err_req_status(nvme_cid(req), nvme_nsid(req->ns), 141588eea45cSKlaus Jensen req->status, req->cmd.opcode); 141688eea45cSKlaus Jensen } 141788eea45cSKlaus Jensen 141888eea45cSKlaus Jensen QTAILQ_REMOVE(&req->sq->out_req_list, req, entry); 141988eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&cq->req_list, req, entry); 14202e53b0b4SJinhao Fan 1421d38cc6fdSKlaus Jensen qemu_bh_schedule(cq->bh); 14222e53b0b4SJinhao Fan } 142388eea45cSKlaus Jensen 142488eea45cSKlaus Jensen static void nvme_process_aers(void *opaque) 142588eea45cSKlaus Jensen { 142688eea45cSKlaus Jensen NvmeCtrl *n = opaque; 142788eea45cSKlaus Jensen NvmeAsyncEvent *event, *next; 142888eea45cSKlaus Jensen 142988eea45cSKlaus Jensen trace_pci_nvme_process_aers(n->aer_queued); 143088eea45cSKlaus Jensen 143188eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(event, &n->aer_queue, entry, next) { 143288eea45cSKlaus Jensen NvmeRequest *req; 143388eea45cSKlaus Jensen NvmeAerResult *result; 143488eea45cSKlaus Jensen 143588eea45cSKlaus Jensen /* can't post cqe if there is nothing to complete */ 143688eea45cSKlaus Jensen if (!n->outstanding_aers) { 143788eea45cSKlaus Jensen trace_pci_nvme_no_outstanding_aers(); 143888eea45cSKlaus Jensen break; 143988eea45cSKlaus Jensen } 144088eea45cSKlaus Jensen 144188eea45cSKlaus Jensen /* ignore if masked (cqe posted, but event not cleared) */ 144288eea45cSKlaus Jensen if (n->aer_mask & (1 << event->result.event_type)) { 144388eea45cSKlaus Jensen trace_pci_nvme_aer_masked(event->result.event_type, n->aer_mask); 144488eea45cSKlaus Jensen continue; 144588eea45cSKlaus Jensen } 144688eea45cSKlaus Jensen 144788eea45cSKlaus Jensen QTAILQ_REMOVE(&n->aer_queue, event, entry); 144888eea45cSKlaus Jensen n->aer_queued--; 144988eea45cSKlaus Jensen 145088eea45cSKlaus Jensen n->aer_mask |= 1 << event->result.event_type; 145188eea45cSKlaus Jensen n->outstanding_aers--; 145288eea45cSKlaus Jensen 145388eea45cSKlaus Jensen req = n->aer_reqs[n->outstanding_aers]; 145488eea45cSKlaus Jensen 145588eea45cSKlaus Jensen result = (NvmeAerResult *) &req->cqe.result; 145688eea45cSKlaus Jensen result->event_type = event->result.event_type; 145788eea45cSKlaus Jensen result->event_info = event->result.event_info; 145888eea45cSKlaus Jensen result->log_page = event->result.log_page; 145988eea45cSKlaus Jensen g_free(event); 146088eea45cSKlaus Jensen 146188eea45cSKlaus Jensen trace_pci_nvme_aer_post_cqe(result->event_type, result->event_info, 146288eea45cSKlaus Jensen result->log_page); 146388eea45cSKlaus Jensen 146488eea45cSKlaus Jensen nvme_enqueue_req_completion(&n->admin_cq, req); 146588eea45cSKlaus Jensen } 146688eea45cSKlaus Jensen } 146788eea45cSKlaus Jensen 146888eea45cSKlaus Jensen static void nvme_enqueue_event(NvmeCtrl *n, uint8_t event_type, 146988eea45cSKlaus Jensen uint8_t event_info, uint8_t log_page) 147088eea45cSKlaus Jensen { 147188eea45cSKlaus Jensen NvmeAsyncEvent *event; 147288eea45cSKlaus Jensen 147388eea45cSKlaus Jensen trace_pci_nvme_enqueue_event(event_type, event_info, log_page); 147488eea45cSKlaus Jensen 147588eea45cSKlaus Jensen if (n->aer_queued == n->params.aer_max_queued) { 147688eea45cSKlaus Jensen trace_pci_nvme_enqueue_event_noqueue(n->aer_queued); 147788eea45cSKlaus Jensen return; 147888eea45cSKlaus Jensen } 147988eea45cSKlaus Jensen 148088eea45cSKlaus Jensen event = g_new(NvmeAsyncEvent, 1); 148188eea45cSKlaus Jensen event->result = (NvmeAerResult) { 148288eea45cSKlaus Jensen .event_type = event_type, 148388eea45cSKlaus Jensen .event_info = event_info, 148488eea45cSKlaus Jensen .log_page = log_page, 148588eea45cSKlaus Jensen }; 148688eea45cSKlaus Jensen 148788eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&n->aer_queue, event, entry); 148888eea45cSKlaus Jensen n->aer_queued++; 148988eea45cSKlaus Jensen 149088eea45cSKlaus Jensen nvme_process_aers(n); 149188eea45cSKlaus Jensen } 149288eea45cSKlaus Jensen 149388eea45cSKlaus Jensen static void nvme_smart_event(NvmeCtrl *n, uint8_t event) 149488eea45cSKlaus Jensen { 149588eea45cSKlaus Jensen uint8_t aer_info; 149688eea45cSKlaus Jensen 149788eea45cSKlaus Jensen /* Ref SPEC <Asynchronous Event Information 0x2013 SMART / Health Status> */ 149888eea45cSKlaus Jensen if (!(NVME_AEC_SMART(n->features.async_config) & event)) { 149988eea45cSKlaus Jensen return; 150088eea45cSKlaus Jensen } 150188eea45cSKlaus Jensen 150288eea45cSKlaus Jensen switch (event) { 150388eea45cSKlaus Jensen case NVME_SMART_SPARE: 150488eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_SPARE_THRESH; 150588eea45cSKlaus Jensen break; 150688eea45cSKlaus Jensen case NVME_SMART_TEMPERATURE: 150788eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_TEMP_THRESH; 150888eea45cSKlaus Jensen break; 150988eea45cSKlaus Jensen case NVME_SMART_RELIABILITY: 151088eea45cSKlaus Jensen case NVME_SMART_MEDIA_READ_ONLY: 151188eea45cSKlaus Jensen case NVME_SMART_FAILED_VOLATILE_MEDIA: 151288eea45cSKlaus Jensen case NVME_SMART_PMR_UNRELIABLE: 151388eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_RELIABILITY; 151488eea45cSKlaus Jensen break; 151588eea45cSKlaus Jensen default: 151688eea45cSKlaus Jensen return; 151788eea45cSKlaus Jensen } 151888eea45cSKlaus Jensen 151988eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_SMART, aer_info, NVME_LOG_SMART_INFO); 152088eea45cSKlaus Jensen } 152188eea45cSKlaus Jensen 152288eea45cSKlaus Jensen static void nvme_clear_events(NvmeCtrl *n, uint8_t event_type) 152388eea45cSKlaus Jensen { 152488eea45cSKlaus Jensen n->aer_mask &= ~(1 << event_type); 152588eea45cSKlaus Jensen if (!QTAILQ_EMPTY(&n->aer_queue)) { 152688eea45cSKlaus Jensen nvme_process_aers(n); 152788eea45cSKlaus Jensen } 152888eea45cSKlaus Jensen } 152988eea45cSKlaus Jensen 153088eea45cSKlaus Jensen static inline uint16_t nvme_check_mdts(NvmeCtrl *n, size_t len) 153188eea45cSKlaus Jensen { 153288eea45cSKlaus Jensen uint8_t mdts = n->params.mdts; 153388eea45cSKlaus Jensen 153488eea45cSKlaus Jensen if (mdts && len > n->page_size << mdts) { 153588eea45cSKlaus Jensen trace_pci_nvme_err_mdts(len); 153688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 153788eea45cSKlaus Jensen } 153888eea45cSKlaus Jensen 153988eea45cSKlaus Jensen return NVME_SUCCESS; 154088eea45cSKlaus Jensen } 154188eea45cSKlaus Jensen 154288eea45cSKlaus Jensen static inline uint16_t nvme_check_bounds(NvmeNamespace *ns, uint64_t slba, 154388eea45cSKlaus Jensen uint32_t nlb) 154488eea45cSKlaus Jensen { 154588eea45cSKlaus Jensen uint64_t nsze = le64_to_cpu(ns->id_ns.nsze); 154688eea45cSKlaus Jensen 154788eea45cSKlaus Jensen if (unlikely(UINT64_MAX - slba < nlb || slba + nlb > nsze)) { 154888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(slba, nlb, nsze); 154988eea45cSKlaus Jensen return NVME_LBA_RANGE | NVME_DNR; 155088eea45cSKlaus Jensen } 155188eea45cSKlaus Jensen 155288eea45cSKlaus Jensen return NVME_SUCCESS; 155388eea45cSKlaus Jensen } 155488eea45cSKlaus Jensen 1555ff0ac2c8SKlaus Jensen static int nvme_block_status_all(NvmeNamespace *ns, uint64_t slba, 1556ff0ac2c8SKlaus Jensen uint32_t nlb, int flags) 155788eea45cSKlaus Jensen { 155888eea45cSKlaus Jensen BlockDriverState *bs = blk_bs(ns->blkconf.blk); 155988eea45cSKlaus Jensen 156088eea45cSKlaus Jensen int64_t pnum = 0, bytes = nvme_l2b(ns, nlb); 156188eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 156288eea45cSKlaus Jensen int ret; 156388eea45cSKlaus Jensen 156488eea45cSKlaus Jensen /* 156588eea45cSKlaus Jensen * `pnum` holds the number of bytes after offset that shares the same 156688eea45cSKlaus Jensen * allocation status as the byte at offset. If `pnum` is different from 156788eea45cSKlaus Jensen * `bytes`, we should check the allocation status of the next range and 156888eea45cSKlaus Jensen * continue this until all bytes have been checked. 156988eea45cSKlaus Jensen */ 157088eea45cSKlaus Jensen do { 157188eea45cSKlaus Jensen bytes -= pnum; 157288eea45cSKlaus Jensen 157388eea45cSKlaus Jensen ret = bdrv_block_status(bs, offset, bytes, &pnum, NULL, NULL); 157488eea45cSKlaus Jensen if (ret < 0) { 1575ff0ac2c8SKlaus Jensen return ret; 157688eea45cSKlaus Jensen } 157788eea45cSKlaus Jensen 157888eea45cSKlaus Jensen 1579ff0ac2c8SKlaus Jensen trace_pci_nvme_block_status(offset, bytes, pnum, ret, 1580ff0ac2c8SKlaus Jensen !!(ret & BDRV_BLOCK_ZERO)); 158188eea45cSKlaus Jensen 1582ff0ac2c8SKlaus Jensen if (!(ret & flags)) { 1583ff0ac2c8SKlaus Jensen return 1; 158488eea45cSKlaus Jensen } 158588eea45cSKlaus Jensen 158688eea45cSKlaus Jensen offset += pnum; 158788eea45cSKlaus Jensen } while (pnum != bytes); 158888eea45cSKlaus Jensen 1589ff0ac2c8SKlaus Jensen return 0; 1590ff0ac2c8SKlaus Jensen } 1591ff0ac2c8SKlaus Jensen 1592ff0ac2c8SKlaus Jensen static uint16_t nvme_check_dulbe(NvmeNamespace *ns, uint64_t slba, 1593ff0ac2c8SKlaus Jensen uint32_t nlb) 1594ff0ac2c8SKlaus Jensen { 1595ff0ac2c8SKlaus Jensen int ret; 1596ff0ac2c8SKlaus Jensen Error *err = NULL; 1597ff0ac2c8SKlaus Jensen 1598ff0ac2c8SKlaus Jensen ret = nvme_block_status_all(ns, slba, nlb, BDRV_BLOCK_DATA); 1599ff0ac2c8SKlaus Jensen if (ret) { 1600ff0ac2c8SKlaus Jensen if (ret < 0) { 1601ff0ac2c8SKlaus Jensen error_setg_errno(&err, -ret, "unable to get block status"); 1602ff0ac2c8SKlaus Jensen error_report_err(err); 1603ff0ac2c8SKlaus Jensen 1604ff0ac2c8SKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 1605ff0ac2c8SKlaus Jensen } 1606ff0ac2c8SKlaus Jensen 1607ff0ac2c8SKlaus Jensen return NVME_DULB; 1608ff0ac2c8SKlaus Jensen } 1609ff0ac2c8SKlaus Jensen 161088eea45cSKlaus Jensen return NVME_SUCCESS; 161188eea45cSKlaus Jensen } 161288eea45cSKlaus Jensen 161388eea45cSKlaus Jensen static void nvme_aio_err(NvmeRequest *req, int ret) 161488eea45cSKlaus Jensen { 161588eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 161688eea45cSKlaus Jensen Error *local_err = NULL; 161788eea45cSKlaus Jensen 161888eea45cSKlaus Jensen switch (req->cmd.opcode) { 161988eea45cSKlaus Jensen case NVME_CMD_READ: 162088eea45cSKlaus Jensen status = NVME_UNRECOVERED_READ; 162188eea45cSKlaus Jensen break; 162288eea45cSKlaus Jensen case NVME_CMD_FLUSH: 162388eea45cSKlaus Jensen case NVME_CMD_WRITE: 162488eea45cSKlaus Jensen case NVME_CMD_WRITE_ZEROES: 162588eea45cSKlaus Jensen case NVME_CMD_ZONE_APPEND: 162688eea45cSKlaus Jensen status = NVME_WRITE_FAULT; 162788eea45cSKlaus Jensen break; 162888eea45cSKlaus Jensen default: 162988eea45cSKlaus Jensen status = NVME_INTERNAL_DEV_ERROR; 163088eea45cSKlaus Jensen break; 163188eea45cSKlaus Jensen } 163288eea45cSKlaus Jensen 163388eea45cSKlaus Jensen trace_pci_nvme_err_aio(nvme_cid(req), strerror(-ret), status); 163488eea45cSKlaus Jensen 163588eea45cSKlaus Jensen error_setg_errno(&local_err, -ret, "aio failed"); 163688eea45cSKlaus Jensen error_report_err(local_err); 163788eea45cSKlaus Jensen 163888eea45cSKlaus Jensen /* 163988eea45cSKlaus Jensen * Set the command status code to the first encountered error but allow a 164088eea45cSKlaus Jensen * subsequent Internal Device Error to trump it. 164188eea45cSKlaus Jensen */ 164288eea45cSKlaus Jensen if (req->status && status != NVME_INTERNAL_DEV_ERROR) { 164388eea45cSKlaus Jensen return; 164488eea45cSKlaus Jensen } 164588eea45cSKlaus Jensen 164688eea45cSKlaus Jensen req->status = status; 164788eea45cSKlaus Jensen } 164888eea45cSKlaus Jensen 164988eea45cSKlaus Jensen static inline uint32_t nvme_zone_idx(NvmeNamespace *ns, uint64_t slba) 165088eea45cSKlaus Jensen { 165188eea45cSKlaus Jensen return ns->zone_size_log2 > 0 ? slba >> ns->zone_size_log2 : 165288eea45cSKlaus Jensen slba / ns->zone_size; 165388eea45cSKlaus Jensen } 165488eea45cSKlaus Jensen 165588eea45cSKlaus Jensen static inline NvmeZone *nvme_get_zone_by_slba(NvmeNamespace *ns, uint64_t slba) 165688eea45cSKlaus Jensen { 165788eea45cSKlaus Jensen uint32_t zone_idx = nvme_zone_idx(ns, slba); 165888eea45cSKlaus Jensen 1659189a8bf7SKlaus Jensen if (zone_idx >= ns->num_zones) { 1660189a8bf7SKlaus Jensen return NULL; 1661189a8bf7SKlaus Jensen } 1662189a8bf7SKlaus Jensen 166388eea45cSKlaus Jensen return &ns->zone_array[zone_idx]; 166488eea45cSKlaus Jensen } 166588eea45cSKlaus Jensen 166688eea45cSKlaus Jensen static uint16_t nvme_check_zone_state_for_write(NvmeZone *zone) 166788eea45cSKlaus Jensen { 166888eea45cSKlaus Jensen uint64_t zslba = zone->d.zslba; 166988eea45cSKlaus Jensen 167088eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 167188eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 167288eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 167388eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 167488eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 167588eea45cSKlaus Jensen return NVME_SUCCESS; 167688eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 167788eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_full(zslba); 167888eea45cSKlaus Jensen return NVME_ZONE_FULL; 167988eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 168088eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_offline(zslba); 168188eea45cSKlaus Jensen return NVME_ZONE_OFFLINE; 168288eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 168388eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_read_only(zslba); 168488eea45cSKlaus Jensen return NVME_ZONE_READ_ONLY; 168588eea45cSKlaus Jensen default: 168688eea45cSKlaus Jensen assert(false); 168788eea45cSKlaus Jensen } 168888eea45cSKlaus Jensen 168988eea45cSKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 169088eea45cSKlaus Jensen } 169188eea45cSKlaus Jensen 169288eea45cSKlaus Jensen static uint16_t nvme_check_zone_write(NvmeNamespace *ns, NvmeZone *zone, 169388eea45cSKlaus Jensen uint64_t slba, uint32_t nlb) 169488eea45cSKlaus Jensen { 169588eea45cSKlaus Jensen uint64_t zcap = nvme_zone_wr_boundary(zone); 169688eea45cSKlaus Jensen uint16_t status; 169788eea45cSKlaus Jensen 169888eea45cSKlaus Jensen status = nvme_check_zone_state_for_write(zone); 169988eea45cSKlaus Jensen if (status) { 170088eea45cSKlaus Jensen return status; 170188eea45cSKlaus Jensen } 170288eea45cSKlaus Jensen 1703e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1704e321b4cdSKlaus Jensen uint64_t ezrwa = zone->w_ptr + 2 * ns->zns.zrwas; 1705e321b4cdSKlaus Jensen 1706e321b4cdSKlaus Jensen if (slba < zone->w_ptr || slba + nlb > ezrwa) { 1707e321b4cdSKlaus Jensen trace_pci_nvme_err_zone_invalid_write(slba, zone->w_ptr); 170888eea45cSKlaus Jensen return NVME_ZONE_INVALID_WRITE; 170988eea45cSKlaus Jensen } 1710e321b4cdSKlaus Jensen } else { 1711e321b4cdSKlaus Jensen if (unlikely(slba != zone->w_ptr)) { 1712e321b4cdSKlaus Jensen trace_pci_nvme_err_write_not_at_wp(slba, zone->d.zslba, 1713e321b4cdSKlaus Jensen zone->w_ptr); 1714e321b4cdSKlaus Jensen return NVME_ZONE_INVALID_WRITE; 1715e321b4cdSKlaus Jensen } 1716e321b4cdSKlaus Jensen } 171788eea45cSKlaus Jensen 171888eea45cSKlaus Jensen if (unlikely((slba + nlb) > zcap)) { 171988eea45cSKlaus Jensen trace_pci_nvme_err_zone_boundary(slba, nlb, zcap); 172088eea45cSKlaus Jensen return NVME_ZONE_BOUNDARY_ERROR; 172188eea45cSKlaus Jensen } 172288eea45cSKlaus Jensen 172388eea45cSKlaus Jensen return NVME_SUCCESS; 172488eea45cSKlaus Jensen } 172588eea45cSKlaus Jensen 172688eea45cSKlaus Jensen static uint16_t nvme_check_zone_state_for_read(NvmeZone *zone) 172788eea45cSKlaus Jensen { 172888eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 172988eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 173088eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 173188eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 173288eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 173388eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 173488eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 173588eea45cSKlaus Jensen return NVME_SUCCESS; 173688eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 173788eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_offline(zone->d.zslba); 173888eea45cSKlaus Jensen return NVME_ZONE_OFFLINE; 173988eea45cSKlaus Jensen default: 174088eea45cSKlaus Jensen assert(false); 174188eea45cSKlaus Jensen } 174288eea45cSKlaus Jensen 174388eea45cSKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 174488eea45cSKlaus Jensen } 174588eea45cSKlaus Jensen 174688eea45cSKlaus Jensen static uint16_t nvme_check_zone_read(NvmeNamespace *ns, uint64_t slba, 174788eea45cSKlaus Jensen uint32_t nlb) 174888eea45cSKlaus Jensen { 1749189a8bf7SKlaus Jensen NvmeZone *zone; 1750189a8bf7SKlaus Jensen uint64_t bndry, end; 175188eea45cSKlaus Jensen uint16_t status; 175288eea45cSKlaus Jensen 1753189a8bf7SKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 1754189a8bf7SKlaus Jensen assert(zone); 1755189a8bf7SKlaus Jensen 1756189a8bf7SKlaus Jensen bndry = nvme_zone_rd_boundary(ns, zone); 1757189a8bf7SKlaus Jensen end = slba + nlb; 1758189a8bf7SKlaus Jensen 175988eea45cSKlaus Jensen status = nvme_check_zone_state_for_read(zone); 176088eea45cSKlaus Jensen if (status) { 176188eea45cSKlaus Jensen ; 176288eea45cSKlaus Jensen } else if (unlikely(end > bndry)) { 176388eea45cSKlaus Jensen if (!ns->params.cross_zone_read) { 176488eea45cSKlaus Jensen status = NVME_ZONE_BOUNDARY_ERROR; 176588eea45cSKlaus Jensen } else { 176688eea45cSKlaus Jensen /* 176788eea45cSKlaus Jensen * Read across zone boundary - check that all subsequent 176888eea45cSKlaus Jensen * zones that are being read have an appropriate state. 176988eea45cSKlaus Jensen */ 177088eea45cSKlaus Jensen do { 177188eea45cSKlaus Jensen zone++; 177288eea45cSKlaus Jensen status = nvme_check_zone_state_for_read(zone); 177388eea45cSKlaus Jensen if (status) { 177488eea45cSKlaus Jensen break; 177588eea45cSKlaus Jensen } 177688eea45cSKlaus Jensen } while (end > nvme_zone_rd_boundary(ns, zone)); 177788eea45cSKlaus Jensen } 177888eea45cSKlaus Jensen } 177988eea45cSKlaus Jensen 178088eea45cSKlaus Jensen return status; 178188eea45cSKlaus Jensen } 178288eea45cSKlaus Jensen 178388eea45cSKlaus Jensen static uint16_t nvme_zrm_finish(NvmeNamespace *ns, NvmeZone *zone) 178488eea45cSKlaus Jensen { 178588eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 178688eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 178788eea45cSKlaus Jensen return NVME_SUCCESS; 178888eea45cSKlaus Jensen 178988eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 179088eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 179188eea45cSKlaus Jensen nvme_aor_dec_open(ns); 179288eea45cSKlaus Jensen /* fallthrough */ 179388eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 179488eea45cSKlaus Jensen nvme_aor_dec_active(ns); 1795e321b4cdSKlaus Jensen 1796e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1797e321b4cdSKlaus Jensen zone->d.za &= ~NVME_ZA_ZRWA_VALID; 1798e321b4cdSKlaus Jensen if (ns->params.numzrwa) { 1799e321b4cdSKlaus Jensen ns->zns.numzrwa++; 1800e321b4cdSKlaus Jensen } 1801e321b4cdSKlaus Jensen } 1802e321b4cdSKlaus Jensen 180388eea45cSKlaus Jensen /* fallthrough */ 180488eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 180588eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_FULL); 180688eea45cSKlaus Jensen return NVME_SUCCESS; 180788eea45cSKlaus Jensen 180888eea45cSKlaus Jensen default: 180988eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 181088eea45cSKlaus Jensen } 181188eea45cSKlaus Jensen } 181288eea45cSKlaus Jensen 181388eea45cSKlaus Jensen static uint16_t nvme_zrm_close(NvmeNamespace *ns, NvmeZone *zone) 181488eea45cSKlaus Jensen { 181588eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 181688eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 181788eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 181888eea45cSKlaus Jensen nvme_aor_dec_open(ns); 181988eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_CLOSED); 182088eea45cSKlaus Jensen /* fall through */ 182188eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 182288eea45cSKlaus Jensen return NVME_SUCCESS; 182388eea45cSKlaus Jensen 182488eea45cSKlaus Jensen default: 182588eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 182688eea45cSKlaus Jensen } 182788eea45cSKlaus Jensen } 182888eea45cSKlaus Jensen 182963d96e4fSKlaus Jensen static uint16_t nvme_zrm_reset(NvmeNamespace *ns, NvmeZone *zone) 183063d96e4fSKlaus Jensen { 183163d96e4fSKlaus Jensen switch (nvme_get_zone_state(zone)) { 183263d96e4fSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 183363d96e4fSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 183463d96e4fSKlaus Jensen nvme_aor_dec_open(ns); 183563d96e4fSKlaus Jensen /* fallthrough */ 183663d96e4fSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 183763d96e4fSKlaus Jensen nvme_aor_dec_active(ns); 1838e321b4cdSKlaus Jensen 1839e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1840e321b4cdSKlaus Jensen if (ns->params.numzrwa) { 1841e321b4cdSKlaus Jensen ns->zns.numzrwa++; 1842e321b4cdSKlaus Jensen } 1843e321b4cdSKlaus Jensen } 1844e321b4cdSKlaus Jensen 184563d96e4fSKlaus Jensen /* fallthrough */ 184663d96e4fSKlaus Jensen case NVME_ZONE_STATE_FULL: 184763d96e4fSKlaus Jensen zone->w_ptr = zone->d.zslba; 184863d96e4fSKlaus Jensen zone->d.wp = zone->w_ptr; 184963d96e4fSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_EMPTY); 185063d96e4fSKlaus Jensen /* fallthrough */ 185163d96e4fSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 185263d96e4fSKlaus Jensen return NVME_SUCCESS; 185363d96e4fSKlaus Jensen 185463d96e4fSKlaus Jensen default: 185563d96e4fSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 185663d96e4fSKlaus Jensen } 185763d96e4fSKlaus Jensen } 185863d96e4fSKlaus Jensen 185988eea45cSKlaus Jensen static void nvme_zrm_auto_transition_zone(NvmeNamespace *ns) 186088eea45cSKlaus Jensen { 186188eea45cSKlaus Jensen NvmeZone *zone; 186288eea45cSKlaus Jensen 186388eea45cSKlaus Jensen if (ns->params.max_open_zones && 186488eea45cSKlaus Jensen ns->nr_open_zones == ns->params.max_open_zones) { 186588eea45cSKlaus Jensen zone = QTAILQ_FIRST(&ns->imp_open_zones); 186688eea45cSKlaus Jensen if (zone) { 186788eea45cSKlaus Jensen /* 186888eea45cSKlaus Jensen * Automatically close this implicitly open zone. 186988eea45cSKlaus Jensen */ 187088eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->imp_open_zones, zone, entry); 187188eea45cSKlaus Jensen nvme_zrm_close(ns, zone); 187288eea45cSKlaus Jensen } 187388eea45cSKlaus Jensen } 187488eea45cSKlaus Jensen } 187588eea45cSKlaus Jensen 187688eea45cSKlaus Jensen enum { 187788eea45cSKlaus Jensen NVME_ZRM_AUTO = 1 << 0, 1878e321b4cdSKlaus Jensen NVME_ZRM_ZRWA = 1 << 1, 187988eea45cSKlaus Jensen }; 188088eea45cSKlaus Jensen 1881cccc2651SNiklas Cassel static uint16_t nvme_zrm_open_flags(NvmeCtrl *n, NvmeNamespace *ns, 1882cccc2651SNiklas Cassel NvmeZone *zone, int flags) 188388eea45cSKlaus Jensen { 188488eea45cSKlaus Jensen int act = 0; 188588eea45cSKlaus Jensen uint16_t status; 188688eea45cSKlaus Jensen 188788eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 188888eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 188988eea45cSKlaus Jensen act = 1; 189088eea45cSKlaus Jensen 189188eea45cSKlaus Jensen /* fallthrough */ 189288eea45cSKlaus Jensen 189388eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 1894cccc2651SNiklas Cassel if (n->params.auto_transition_zones) { 189588eea45cSKlaus Jensen nvme_zrm_auto_transition_zone(ns); 1896cccc2651SNiklas Cassel } 1897e321b4cdSKlaus Jensen status = nvme_zns_check_resources(ns, act, 1, 1898e321b4cdSKlaus Jensen (flags & NVME_ZRM_ZRWA) ? 1 : 0); 189988eea45cSKlaus Jensen if (status) { 190088eea45cSKlaus Jensen return status; 190188eea45cSKlaus Jensen } 190288eea45cSKlaus Jensen 190388eea45cSKlaus Jensen if (act) { 190488eea45cSKlaus Jensen nvme_aor_inc_active(ns); 190588eea45cSKlaus Jensen } 190688eea45cSKlaus Jensen 190788eea45cSKlaus Jensen nvme_aor_inc_open(ns); 190888eea45cSKlaus Jensen 190988eea45cSKlaus Jensen if (flags & NVME_ZRM_AUTO) { 191088eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_IMPLICITLY_OPEN); 191188eea45cSKlaus Jensen return NVME_SUCCESS; 191288eea45cSKlaus Jensen } 191388eea45cSKlaus Jensen 191488eea45cSKlaus Jensen /* fallthrough */ 191588eea45cSKlaus Jensen 191688eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 191788eea45cSKlaus Jensen if (flags & NVME_ZRM_AUTO) { 191888eea45cSKlaus Jensen return NVME_SUCCESS; 191988eea45cSKlaus Jensen } 192088eea45cSKlaus Jensen 192188eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_EXPLICITLY_OPEN); 192288eea45cSKlaus Jensen 192388eea45cSKlaus Jensen /* fallthrough */ 192488eea45cSKlaus Jensen 192588eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 1926e321b4cdSKlaus Jensen if (flags & NVME_ZRM_ZRWA) { 1927e321b4cdSKlaus Jensen ns->zns.numzrwa--; 1928e321b4cdSKlaus Jensen 1929e321b4cdSKlaus Jensen zone->d.za |= NVME_ZA_ZRWA_VALID; 1930e321b4cdSKlaus Jensen } 1931e321b4cdSKlaus Jensen 193288eea45cSKlaus Jensen return NVME_SUCCESS; 193388eea45cSKlaus Jensen 193488eea45cSKlaus Jensen default: 193588eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 193688eea45cSKlaus Jensen } 193788eea45cSKlaus Jensen } 193888eea45cSKlaus Jensen 1939cccc2651SNiklas Cassel static inline uint16_t nvme_zrm_auto(NvmeCtrl *n, NvmeNamespace *ns, 1940cccc2651SNiklas Cassel NvmeZone *zone) 194188eea45cSKlaus Jensen { 1942cccc2651SNiklas Cassel return nvme_zrm_open_flags(n, ns, zone, NVME_ZRM_AUTO); 194388eea45cSKlaus Jensen } 194488eea45cSKlaus Jensen 194588eea45cSKlaus Jensen static void nvme_advance_zone_wp(NvmeNamespace *ns, NvmeZone *zone, 194688eea45cSKlaus Jensen uint32_t nlb) 194788eea45cSKlaus Jensen { 194888eea45cSKlaus Jensen zone->d.wp += nlb; 194988eea45cSKlaus Jensen 195088eea45cSKlaus Jensen if (zone->d.wp == nvme_zone_wr_boundary(zone)) { 195188eea45cSKlaus Jensen nvme_zrm_finish(ns, zone); 195288eea45cSKlaus Jensen } 195388eea45cSKlaus Jensen } 195488eea45cSKlaus Jensen 1955e321b4cdSKlaus Jensen static void nvme_zoned_zrwa_implicit_flush(NvmeNamespace *ns, NvmeZone *zone, 1956e321b4cdSKlaus Jensen uint32_t nlbc) 1957e321b4cdSKlaus Jensen { 1958e321b4cdSKlaus Jensen uint16_t nzrwafgs = DIV_ROUND_UP(nlbc, ns->zns.zrwafg); 1959e321b4cdSKlaus Jensen 1960e321b4cdSKlaus Jensen nlbc = nzrwafgs * ns->zns.zrwafg; 1961e321b4cdSKlaus Jensen 1962e321b4cdSKlaus Jensen trace_pci_nvme_zoned_zrwa_implicit_flush(zone->d.zslba, nlbc); 1963e321b4cdSKlaus Jensen 1964e321b4cdSKlaus Jensen zone->w_ptr += nlbc; 1965e321b4cdSKlaus Jensen 1966e321b4cdSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlbc); 1967e321b4cdSKlaus Jensen } 1968e321b4cdSKlaus Jensen 196988eea45cSKlaus Jensen static void nvme_finalize_zoned_write(NvmeNamespace *ns, NvmeRequest *req) 197088eea45cSKlaus Jensen { 197188eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 197288eea45cSKlaus Jensen NvmeZone *zone; 197388eea45cSKlaus Jensen uint64_t slba; 197488eea45cSKlaus Jensen uint32_t nlb; 197588eea45cSKlaus Jensen 197688eea45cSKlaus Jensen slba = le64_to_cpu(rw->slba); 197788eea45cSKlaus Jensen nlb = le16_to_cpu(rw->nlb) + 1; 197888eea45cSKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 1979189a8bf7SKlaus Jensen assert(zone); 198088eea45cSKlaus Jensen 1981e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1982e321b4cdSKlaus Jensen uint64_t ezrwa = zone->w_ptr + ns->zns.zrwas - 1; 1983e321b4cdSKlaus Jensen uint64_t elba = slba + nlb - 1; 1984e321b4cdSKlaus Jensen 1985e321b4cdSKlaus Jensen if (elba > ezrwa) { 1986e321b4cdSKlaus Jensen nvme_zoned_zrwa_implicit_flush(ns, zone, elba - ezrwa); 1987e321b4cdSKlaus Jensen } 1988e321b4cdSKlaus Jensen 1989e321b4cdSKlaus Jensen return; 1990e321b4cdSKlaus Jensen } 1991e321b4cdSKlaus Jensen 199288eea45cSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlb); 199388eea45cSKlaus Jensen } 199488eea45cSKlaus Jensen 199588eea45cSKlaus Jensen static inline bool nvme_is_write(NvmeRequest *req) 199688eea45cSKlaus Jensen { 199788eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 199888eea45cSKlaus Jensen 199988eea45cSKlaus Jensen return rw->opcode == NVME_CMD_WRITE || 200088eea45cSKlaus Jensen rw->opcode == NVME_CMD_ZONE_APPEND || 200188eea45cSKlaus Jensen rw->opcode == NVME_CMD_WRITE_ZEROES; 200288eea45cSKlaus Jensen } 200388eea45cSKlaus Jensen 200438f4ac65SKlaus Jensen static AioContext *nvme_get_aio_context(BlockAIOCB *acb) 200538f4ac65SKlaus Jensen { 200638f4ac65SKlaus Jensen return qemu_get_aio_context(); 200738f4ac65SKlaus Jensen } 200838f4ac65SKlaus Jensen 200988eea45cSKlaus Jensen static void nvme_misc_cb(void *opaque, int ret) 201088eea45cSKlaus Jensen { 201188eea45cSKlaus Jensen NvmeRequest *req = opaque; 201288eea45cSKlaus Jensen 201338f4ac65SKlaus Jensen trace_pci_nvme_misc_cb(nvme_cid(req)); 201488eea45cSKlaus Jensen 201588eea45cSKlaus Jensen if (ret) { 201688eea45cSKlaus Jensen nvme_aio_err(req, ret); 201788eea45cSKlaus Jensen } 201888eea45cSKlaus Jensen 201988eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 202088eea45cSKlaus Jensen } 202188eea45cSKlaus Jensen 202288eea45cSKlaus Jensen void nvme_rw_complete_cb(void *opaque, int ret) 202388eea45cSKlaus Jensen { 202488eea45cSKlaus Jensen NvmeRequest *req = opaque; 202588eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 202688eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 202788eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 202888eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 202988eea45cSKlaus Jensen 203088eea45cSKlaus Jensen trace_pci_nvme_rw_complete_cb(nvme_cid(req), blk_name(blk)); 203188eea45cSKlaus Jensen 203288eea45cSKlaus Jensen if (ret) { 203388eea45cSKlaus Jensen block_acct_failed(stats, acct); 203488eea45cSKlaus Jensen nvme_aio_err(req, ret); 203588eea45cSKlaus Jensen } else { 203688eea45cSKlaus Jensen block_acct_done(stats, acct); 203788eea45cSKlaus Jensen } 203888eea45cSKlaus Jensen 203988eea45cSKlaus Jensen if (ns->params.zoned && nvme_is_write(req)) { 204088eea45cSKlaus Jensen nvme_finalize_zoned_write(ns, req); 204188eea45cSKlaus Jensen } 204288eea45cSKlaus Jensen 204388eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 204488eea45cSKlaus Jensen } 204588eea45cSKlaus Jensen 204688eea45cSKlaus Jensen static void nvme_rw_cb(void *opaque, int ret) 204788eea45cSKlaus Jensen { 204888eea45cSKlaus Jensen NvmeRequest *req = opaque; 204988eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 205088eea45cSKlaus Jensen 205188eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 205288eea45cSKlaus Jensen 205388eea45cSKlaus Jensen trace_pci_nvme_rw_cb(nvme_cid(req), blk_name(blk)); 205488eea45cSKlaus Jensen 205588eea45cSKlaus Jensen if (ret) { 205688eea45cSKlaus Jensen goto out; 205788eea45cSKlaus Jensen } 205888eea45cSKlaus Jensen 205988eea45cSKlaus Jensen if (ns->lbaf.ms) { 206088eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 206188eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 206288eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 206388eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 206488eea45cSKlaus Jensen 206588eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_WRITE_ZEROES) { 206688eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 206788eea45cSKlaus Jensen 206888eea45cSKlaus Jensen req->aiocb = blk_aio_pwrite_zeroes(blk, offset, mlen, 206988eea45cSKlaus Jensen BDRV_REQ_MAY_UNMAP, 207088eea45cSKlaus Jensen nvme_rw_complete_cb, req); 207188eea45cSKlaus Jensen return; 207288eea45cSKlaus Jensen } 207388eea45cSKlaus Jensen 207488eea45cSKlaus Jensen if (nvme_ns_ext(ns) || req->cmd.mptr) { 207588eea45cSKlaus Jensen uint16_t status; 207688eea45cSKlaus Jensen 207788eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 207888eea45cSKlaus Jensen status = nvme_map_mdata(nvme_ctrl(req), nlb, req); 207988eea45cSKlaus Jensen if (status) { 208088eea45cSKlaus Jensen ret = -EFAULT; 208188eea45cSKlaus Jensen goto out; 208288eea45cSKlaus Jensen } 208388eea45cSKlaus Jensen 208488eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_READ) { 208588eea45cSKlaus Jensen return nvme_blk_read(blk, offset, nvme_rw_complete_cb, req); 208688eea45cSKlaus Jensen } 208788eea45cSKlaus Jensen 208888eea45cSKlaus Jensen return nvme_blk_write(blk, offset, nvme_rw_complete_cb, req); 208988eea45cSKlaus Jensen } 209088eea45cSKlaus Jensen } 209188eea45cSKlaus Jensen 209288eea45cSKlaus Jensen out: 209388eea45cSKlaus Jensen nvme_rw_complete_cb(req, ret); 209488eea45cSKlaus Jensen } 209588eea45cSKlaus Jensen 209688eea45cSKlaus Jensen static void nvme_verify_cb(void *opaque, int ret) 209788eea45cSKlaus Jensen { 209888eea45cSKlaus Jensen NvmeBounceContext *ctx = opaque; 209988eea45cSKlaus Jensen NvmeRequest *req = ctx->req; 210088eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 210188eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 210288eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 210388eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 210488eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 210588eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 21062a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 210788eea45cSKlaus Jensen uint16_t apptag = le16_to_cpu(rw->apptag); 210888eea45cSKlaus Jensen uint16_t appmask = le16_to_cpu(rw->appmask); 210944219b60SNaveen Nagar uint64_t reftag = le32_to_cpu(rw->reftag); 211044219b60SNaveen Nagar uint64_t cdw3 = le32_to_cpu(rw->cdw3); 211188eea45cSKlaus Jensen uint16_t status; 211288eea45cSKlaus Jensen 211344219b60SNaveen Nagar reftag |= cdw3 << 32; 211444219b60SNaveen Nagar 21152a132309SKlaus Jensen trace_pci_nvme_verify_cb(nvme_cid(req), prinfo, apptag, appmask, reftag); 211688eea45cSKlaus Jensen 211788eea45cSKlaus Jensen if (ret) { 211888eea45cSKlaus Jensen block_acct_failed(stats, acct); 211988eea45cSKlaus Jensen nvme_aio_err(req, ret); 212088eea45cSKlaus Jensen goto out; 212188eea45cSKlaus Jensen } 212288eea45cSKlaus Jensen 212388eea45cSKlaus Jensen block_acct_done(stats, acct); 212488eea45cSKlaus Jensen 212588eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 212688eea45cSKlaus Jensen status = nvme_dif_mangle_mdata(ns, ctx->mdata.bounce, 212788eea45cSKlaus Jensen ctx->mdata.iov.size, slba); 212888eea45cSKlaus Jensen if (status) { 212988eea45cSKlaus Jensen req->status = status; 213088eea45cSKlaus Jensen goto out; 213188eea45cSKlaus Jensen } 213288eea45cSKlaus Jensen 213388eea45cSKlaus Jensen req->status = nvme_dif_check(ns, ctx->data.bounce, ctx->data.iov.size, 213488eea45cSKlaus Jensen ctx->mdata.bounce, ctx->mdata.iov.size, 21352a132309SKlaus Jensen prinfo, slba, apptag, appmask, &reftag); 213688eea45cSKlaus Jensen } 213788eea45cSKlaus Jensen 213888eea45cSKlaus Jensen out: 213988eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 214088eea45cSKlaus Jensen g_free(ctx->data.bounce); 214188eea45cSKlaus Jensen 214288eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->mdata.iov); 214388eea45cSKlaus Jensen g_free(ctx->mdata.bounce); 214488eea45cSKlaus Jensen 214588eea45cSKlaus Jensen g_free(ctx); 214688eea45cSKlaus Jensen 214788eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 214888eea45cSKlaus Jensen } 214988eea45cSKlaus Jensen 215088eea45cSKlaus Jensen 215188eea45cSKlaus Jensen static void nvme_verify_mdata_in_cb(void *opaque, int ret) 215288eea45cSKlaus Jensen { 215388eea45cSKlaus Jensen NvmeBounceContext *ctx = opaque; 215488eea45cSKlaus Jensen NvmeRequest *req = ctx->req; 215588eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 215688eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 215788eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 215888eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 215988eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 216088eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 216188eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 216288eea45cSKlaus Jensen 216388eea45cSKlaus Jensen trace_pci_nvme_verify_mdata_in_cb(nvme_cid(req), blk_name(blk)); 216488eea45cSKlaus Jensen 216588eea45cSKlaus Jensen if (ret) { 216688eea45cSKlaus Jensen goto out; 216788eea45cSKlaus Jensen } 216888eea45cSKlaus Jensen 216988eea45cSKlaus Jensen ctx->mdata.bounce = g_malloc(mlen); 217088eea45cSKlaus Jensen 217188eea45cSKlaus Jensen qemu_iovec_reset(&ctx->mdata.iov); 217288eea45cSKlaus Jensen qemu_iovec_add(&ctx->mdata.iov, ctx->mdata.bounce, mlen); 217388eea45cSKlaus Jensen 217488eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->mdata.iov, 0, 217588eea45cSKlaus Jensen nvme_verify_cb, ctx); 217688eea45cSKlaus Jensen return; 217788eea45cSKlaus Jensen 217888eea45cSKlaus Jensen out: 217988eea45cSKlaus Jensen nvme_verify_cb(ctx, ret); 218088eea45cSKlaus Jensen } 218188eea45cSKlaus Jensen 218288eea45cSKlaus Jensen struct nvme_compare_ctx { 218388eea45cSKlaus Jensen struct { 218488eea45cSKlaus Jensen QEMUIOVector iov; 218588eea45cSKlaus Jensen uint8_t *bounce; 218688eea45cSKlaus Jensen } data; 218788eea45cSKlaus Jensen 218888eea45cSKlaus Jensen struct { 218988eea45cSKlaus Jensen QEMUIOVector iov; 219088eea45cSKlaus Jensen uint8_t *bounce; 219188eea45cSKlaus Jensen } mdata; 219288eea45cSKlaus Jensen }; 219388eea45cSKlaus Jensen 219488eea45cSKlaus Jensen static void nvme_compare_mdata_cb(void *opaque, int ret) 219588eea45cSKlaus Jensen { 219688eea45cSKlaus Jensen NvmeRequest *req = opaque; 219788eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 219888eea45cSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 219988eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 22002a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 220188eea45cSKlaus Jensen uint16_t apptag = le16_to_cpu(rw->apptag); 220288eea45cSKlaus Jensen uint16_t appmask = le16_to_cpu(rw->appmask); 220344219b60SNaveen Nagar uint64_t reftag = le32_to_cpu(rw->reftag); 220444219b60SNaveen Nagar uint64_t cdw3 = le32_to_cpu(rw->cdw3); 220588eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = req->opaque; 220688eea45cSKlaus Jensen g_autofree uint8_t *buf = NULL; 220788eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 220888eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 220988eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 221088eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 221188eea45cSKlaus Jensen 221244219b60SNaveen Nagar reftag |= cdw3 << 32; 221344219b60SNaveen Nagar 221488eea45cSKlaus Jensen trace_pci_nvme_compare_mdata_cb(nvme_cid(req)); 221588eea45cSKlaus Jensen 221688eea45cSKlaus Jensen if (ret) { 221788eea45cSKlaus Jensen block_acct_failed(stats, acct); 221888eea45cSKlaus Jensen nvme_aio_err(req, ret); 221988eea45cSKlaus Jensen goto out; 222088eea45cSKlaus Jensen } 222188eea45cSKlaus Jensen 222288eea45cSKlaus Jensen buf = g_malloc(ctx->mdata.iov.size); 222388eea45cSKlaus Jensen 222488eea45cSKlaus Jensen status = nvme_bounce_mdata(n, buf, ctx->mdata.iov.size, 222588eea45cSKlaus Jensen NVME_TX_DIRECTION_TO_DEVICE, req); 222688eea45cSKlaus Jensen if (status) { 222788eea45cSKlaus Jensen req->status = status; 222888eea45cSKlaus Jensen goto out; 222988eea45cSKlaus Jensen } 223088eea45cSKlaus Jensen 223188eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 223288eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 223388eea45cSKlaus Jensen uint8_t *bufp; 223488eea45cSKlaus Jensen uint8_t *mbufp = ctx->mdata.bounce; 223588eea45cSKlaus Jensen uint8_t *end = mbufp + ctx->mdata.iov.size; 223688eea45cSKlaus Jensen int16_t pil = 0; 223788eea45cSKlaus Jensen 223888eea45cSKlaus Jensen status = nvme_dif_check(ns, ctx->data.bounce, ctx->data.iov.size, 22392a132309SKlaus Jensen ctx->mdata.bounce, ctx->mdata.iov.size, prinfo, 22400ca5c3ccSKlaus Jensen slba, apptag, appmask, &reftag); 224188eea45cSKlaus Jensen if (status) { 224288eea45cSKlaus Jensen req->status = status; 224388eea45cSKlaus Jensen goto out; 224488eea45cSKlaus Jensen } 224588eea45cSKlaus Jensen 224688eea45cSKlaus Jensen /* 224788eea45cSKlaus Jensen * When formatted with protection information, do not compare the DIF 224888eea45cSKlaus Jensen * tuple. 224988eea45cSKlaus Jensen */ 225088eea45cSKlaus Jensen if (!(ns->id_ns.dps & NVME_ID_NS_DPS_FIRST_EIGHT)) { 2251ac0b34c5SKlaus Jensen pil = ns->lbaf.ms - nvme_pi_tuple_size(ns); 225288eea45cSKlaus Jensen } 225388eea45cSKlaus Jensen 225488eea45cSKlaus Jensen for (bufp = buf; mbufp < end; bufp += ns->lbaf.ms, mbufp += ns->lbaf.ms) { 225588eea45cSKlaus Jensen if (memcmp(bufp + pil, mbufp + pil, ns->lbaf.ms - pil)) { 225688eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 225788eea45cSKlaus Jensen goto out; 225888eea45cSKlaus Jensen } 225988eea45cSKlaus Jensen } 226088eea45cSKlaus Jensen 226188eea45cSKlaus Jensen goto out; 226288eea45cSKlaus Jensen } 226388eea45cSKlaus Jensen 226488eea45cSKlaus Jensen if (memcmp(buf, ctx->mdata.bounce, ctx->mdata.iov.size)) { 226588eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 226688eea45cSKlaus Jensen goto out; 226788eea45cSKlaus Jensen } 226888eea45cSKlaus Jensen 226988eea45cSKlaus Jensen block_acct_done(stats, acct); 227088eea45cSKlaus Jensen 227188eea45cSKlaus Jensen out: 227288eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 227388eea45cSKlaus Jensen g_free(ctx->data.bounce); 227488eea45cSKlaus Jensen 227588eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->mdata.iov); 227688eea45cSKlaus Jensen g_free(ctx->mdata.bounce); 227788eea45cSKlaus Jensen 227888eea45cSKlaus Jensen g_free(ctx); 227988eea45cSKlaus Jensen 228088eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 228188eea45cSKlaus Jensen } 228288eea45cSKlaus Jensen 228388eea45cSKlaus Jensen static void nvme_compare_data_cb(void *opaque, int ret) 228488eea45cSKlaus Jensen { 228588eea45cSKlaus Jensen NvmeRequest *req = opaque; 228688eea45cSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 228788eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 228888eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 228988eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 229088eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 229188eea45cSKlaus Jensen 229288eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = req->opaque; 229388eea45cSKlaus Jensen g_autofree uint8_t *buf = NULL; 229488eea45cSKlaus Jensen uint16_t status; 229588eea45cSKlaus Jensen 229688eea45cSKlaus Jensen trace_pci_nvme_compare_data_cb(nvme_cid(req)); 229788eea45cSKlaus Jensen 229888eea45cSKlaus Jensen if (ret) { 229988eea45cSKlaus Jensen block_acct_failed(stats, acct); 230088eea45cSKlaus Jensen nvme_aio_err(req, ret); 230188eea45cSKlaus Jensen goto out; 230288eea45cSKlaus Jensen } 230388eea45cSKlaus Jensen 230488eea45cSKlaus Jensen buf = g_malloc(ctx->data.iov.size); 230588eea45cSKlaus Jensen 230688eea45cSKlaus Jensen status = nvme_bounce_data(n, buf, ctx->data.iov.size, 230788eea45cSKlaus Jensen NVME_TX_DIRECTION_TO_DEVICE, req); 230888eea45cSKlaus Jensen if (status) { 230988eea45cSKlaus Jensen req->status = status; 231088eea45cSKlaus Jensen goto out; 231188eea45cSKlaus Jensen } 231288eea45cSKlaus Jensen 231388eea45cSKlaus Jensen if (memcmp(buf, ctx->data.bounce, ctx->data.iov.size)) { 231488eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 231588eea45cSKlaus Jensen goto out; 231688eea45cSKlaus Jensen } 231788eea45cSKlaus Jensen 231888eea45cSKlaus Jensen if (ns->lbaf.ms) { 231988eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 232088eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 232188eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 232288eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 232388eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 232488eea45cSKlaus Jensen 232588eea45cSKlaus Jensen ctx->mdata.bounce = g_malloc(mlen); 232688eea45cSKlaus Jensen 232788eea45cSKlaus Jensen qemu_iovec_init(&ctx->mdata.iov, 1); 232888eea45cSKlaus Jensen qemu_iovec_add(&ctx->mdata.iov, ctx->mdata.bounce, mlen); 232988eea45cSKlaus Jensen 233088eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->mdata.iov, 0, 233188eea45cSKlaus Jensen nvme_compare_mdata_cb, req); 233288eea45cSKlaus Jensen return; 233388eea45cSKlaus Jensen } 233488eea45cSKlaus Jensen 233588eea45cSKlaus Jensen block_acct_done(stats, acct); 233688eea45cSKlaus Jensen 233788eea45cSKlaus Jensen out: 233888eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 233988eea45cSKlaus Jensen g_free(ctx->data.bounce); 234088eea45cSKlaus Jensen g_free(ctx); 234188eea45cSKlaus Jensen 234288eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 234388eea45cSKlaus Jensen } 234488eea45cSKlaus Jensen 2345d7d1474fSKlaus Jensen typedef struct NvmeDSMAIOCB { 2346d7d1474fSKlaus Jensen BlockAIOCB common; 2347d7d1474fSKlaus Jensen BlockAIOCB *aiocb; 2348d7d1474fSKlaus Jensen NvmeRequest *req; 2349d7d1474fSKlaus Jensen int ret; 2350d7d1474fSKlaus Jensen 2351d7d1474fSKlaus Jensen NvmeDsmRange *range; 2352d7d1474fSKlaus Jensen unsigned int nr; 2353d7d1474fSKlaus Jensen unsigned int idx; 2354d7d1474fSKlaus Jensen } NvmeDSMAIOCB; 2355d7d1474fSKlaus Jensen 2356d7d1474fSKlaus Jensen static void nvme_dsm_cancel(BlockAIOCB *aiocb) 2357d7d1474fSKlaus Jensen { 2358d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = container_of(aiocb, NvmeDSMAIOCB, common); 2359d7d1474fSKlaus Jensen 2360d7d1474fSKlaus Jensen /* break nvme_dsm_cb loop */ 2361d7d1474fSKlaus Jensen iocb->idx = iocb->nr; 2362d7d1474fSKlaus Jensen iocb->ret = -ECANCELED; 2363d7d1474fSKlaus Jensen 2364d7d1474fSKlaus Jensen if (iocb->aiocb) { 2365d7d1474fSKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 2366d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2367d7d1474fSKlaus Jensen } else { 2368d7d1474fSKlaus Jensen /* 2369d7d1474fSKlaus Jensen * We only reach this if nvme_dsm_cancel() has already been called or 2370818b9b8fSKlaus Jensen * the command ran to completion. 2371d7d1474fSKlaus Jensen */ 2372d7d1474fSKlaus Jensen assert(iocb->idx == iocb->nr); 2373d7d1474fSKlaus Jensen } 2374d7d1474fSKlaus Jensen } 2375d7d1474fSKlaus Jensen 2376d7d1474fSKlaus Jensen static const AIOCBInfo nvme_dsm_aiocb_info = { 2377d7d1474fSKlaus Jensen .aiocb_size = sizeof(NvmeDSMAIOCB), 2378d7d1474fSKlaus Jensen .cancel_async = nvme_dsm_cancel, 2379d7d1474fSKlaus Jensen }; 2380d7d1474fSKlaus Jensen 2381d7d1474fSKlaus Jensen static void nvme_dsm_cb(void *opaque, int ret); 2382d7d1474fSKlaus Jensen 2383d7d1474fSKlaus Jensen static void nvme_dsm_md_cb(void *opaque, int ret) 2384d7d1474fSKlaus Jensen { 2385d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2386d7d1474fSKlaus Jensen NvmeRequest *req = iocb->req; 2387d7d1474fSKlaus Jensen NvmeNamespace *ns = req->ns; 2388d7d1474fSKlaus Jensen NvmeDsmRange *range; 2389d7d1474fSKlaus Jensen uint64_t slba; 2390d7d1474fSKlaus Jensen uint32_t nlb; 2391d7d1474fSKlaus Jensen 2392818b9b8fSKlaus Jensen if (ret < 0 || iocb->ret < 0 || !ns->lbaf.ms) { 2393d7d1474fSKlaus Jensen goto done; 2394d7d1474fSKlaus Jensen } 2395d7d1474fSKlaus Jensen 2396d7d1474fSKlaus Jensen range = &iocb->range[iocb->idx - 1]; 2397d7d1474fSKlaus Jensen slba = le64_to_cpu(range->slba); 2398d7d1474fSKlaus Jensen nlb = le32_to_cpu(range->nlb); 2399d7d1474fSKlaus Jensen 2400d7d1474fSKlaus Jensen /* 2401d7d1474fSKlaus Jensen * Check that all block were discarded (zeroed); otherwise we do not zero 2402d7d1474fSKlaus Jensen * the metadata. 2403d7d1474fSKlaus Jensen */ 2404d7d1474fSKlaus Jensen 2405d7d1474fSKlaus Jensen ret = nvme_block_status_all(ns, slba, nlb, BDRV_BLOCK_ZERO); 2406d7d1474fSKlaus Jensen if (ret) { 2407d7d1474fSKlaus Jensen if (ret < 0) { 2408d7d1474fSKlaus Jensen goto done; 2409d7d1474fSKlaus Jensen } 2410d7d1474fSKlaus Jensen 2411d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 241251c45326SDmitry Tikhov return; 2413d7d1474fSKlaus Jensen } 2414d7d1474fSKlaus Jensen 2415d7d1474fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, nvme_moff(ns, slba), 2416d7d1474fSKlaus Jensen nvme_m2b(ns, nlb), BDRV_REQ_MAY_UNMAP, 2417d7d1474fSKlaus Jensen nvme_dsm_cb, iocb); 2418d7d1474fSKlaus Jensen return; 2419d7d1474fSKlaus Jensen 2420d7d1474fSKlaus Jensen done: 2421818b9b8fSKlaus Jensen nvme_dsm_cb(iocb, ret); 2422d7d1474fSKlaus Jensen } 2423d7d1474fSKlaus Jensen 2424d7d1474fSKlaus Jensen static void nvme_dsm_cb(void *opaque, int ret) 2425d7d1474fSKlaus Jensen { 2426d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2427d7d1474fSKlaus Jensen NvmeRequest *req = iocb->req; 2428d7d1474fSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 2429d7d1474fSKlaus Jensen NvmeNamespace *ns = req->ns; 2430d7d1474fSKlaus Jensen NvmeDsmRange *range; 2431d7d1474fSKlaus Jensen uint64_t slba; 2432d7d1474fSKlaus Jensen uint32_t nlb; 2433d7d1474fSKlaus Jensen 2434818b9b8fSKlaus Jensen if (iocb->ret < 0) { 2435818b9b8fSKlaus Jensen goto done; 2436818b9b8fSKlaus Jensen } else if (ret < 0) { 2437d7d1474fSKlaus Jensen iocb->ret = ret; 2438d7d1474fSKlaus Jensen goto done; 2439d7d1474fSKlaus Jensen } 2440d7d1474fSKlaus Jensen 2441d7d1474fSKlaus Jensen next: 2442d7d1474fSKlaus Jensen if (iocb->idx == iocb->nr) { 2443d7d1474fSKlaus Jensen goto done; 2444d7d1474fSKlaus Jensen } 2445d7d1474fSKlaus Jensen 2446d7d1474fSKlaus Jensen range = &iocb->range[iocb->idx++]; 2447d7d1474fSKlaus Jensen slba = le64_to_cpu(range->slba); 2448d7d1474fSKlaus Jensen nlb = le32_to_cpu(range->nlb); 2449d7d1474fSKlaus Jensen 2450d7d1474fSKlaus Jensen trace_pci_nvme_dsm_deallocate(slba, nlb); 2451d7d1474fSKlaus Jensen 2452d7d1474fSKlaus Jensen if (nlb > n->dmrsl) { 2453d7d1474fSKlaus Jensen trace_pci_nvme_dsm_single_range_limit_exceeded(nlb, n->dmrsl); 2454d7d1474fSKlaus Jensen goto next; 2455d7d1474fSKlaus Jensen } 2456d7d1474fSKlaus Jensen 2457d7d1474fSKlaus Jensen if (nvme_check_bounds(ns, slba, nlb)) { 2458d7d1474fSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(slba, nlb, 2459d7d1474fSKlaus Jensen ns->id_ns.nsze); 2460d7d1474fSKlaus Jensen goto next; 2461d7d1474fSKlaus Jensen } 2462d7d1474fSKlaus Jensen 2463d7d1474fSKlaus Jensen iocb->aiocb = blk_aio_pdiscard(ns->blkconf.blk, nvme_l2b(ns, slba), 2464d7d1474fSKlaus Jensen nvme_l2b(ns, nlb), 2465d7d1474fSKlaus Jensen nvme_dsm_md_cb, iocb); 2466d7d1474fSKlaus Jensen return; 2467d7d1474fSKlaus Jensen 2468d7d1474fSKlaus Jensen done: 2469d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2470818b9b8fSKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 2471818b9b8fSKlaus Jensen qemu_aio_unref(iocb); 2472d7d1474fSKlaus Jensen } 2473d7d1474fSKlaus Jensen 247488eea45cSKlaus Jensen static uint16_t nvme_dsm(NvmeCtrl *n, NvmeRequest *req) 247588eea45cSKlaus Jensen { 247688eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 247788eea45cSKlaus Jensen NvmeDsmCmd *dsm = (NvmeDsmCmd *) &req->cmd; 247888eea45cSKlaus Jensen uint32_t attr = le32_to_cpu(dsm->attributes); 247988eea45cSKlaus Jensen uint32_t nr = (le32_to_cpu(dsm->nr) & 0xff) + 1; 248088eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 248188eea45cSKlaus Jensen 2482d7d1474fSKlaus Jensen trace_pci_nvme_dsm(nr, attr); 248388eea45cSKlaus Jensen 248488eea45cSKlaus Jensen if (attr & NVME_DSMGMT_AD) { 2485d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = blk_aio_get(&nvme_dsm_aiocb_info, ns->blkconf.blk, 2486d7d1474fSKlaus Jensen nvme_misc_cb, req); 248788eea45cSKlaus Jensen 2488d7d1474fSKlaus Jensen iocb->req = req; 2489d7d1474fSKlaus Jensen iocb->ret = 0; 2490d7d1474fSKlaus Jensen iocb->range = g_new(NvmeDsmRange, nr); 2491d7d1474fSKlaus Jensen iocb->nr = nr; 2492d7d1474fSKlaus Jensen iocb->idx = 0; 2493d7d1474fSKlaus Jensen 2494d7d1474fSKlaus Jensen status = nvme_h2c(n, (uint8_t *)iocb->range, sizeof(NvmeDsmRange) * nr, 2495d7d1474fSKlaus Jensen req); 249688eea45cSKlaus Jensen if (status) { 249788eea45cSKlaus Jensen return status; 249888eea45cSKlaus Jensen } 249988eea45cSKlaus Jensen 2500d7d1474fSKlaus Jensen req->aiocb = &iocb->common; 2501d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 250288eea45cSKlaus Jensen 2503d7d1474fSKlaus Jensen return NVME_NO_COMPLETE; 250488eea45cSKlaus Jensen } 250588eea45cSKlaus Jensen 250688eea45cSKlaus Jensen return status; 250788eea45cSKlaus Jensen } 250888eea45cSKlaus Jensen 250988eea45cSKlaus Jensen static uint16_t nvme_verify(NvmeCtrl *n, NvmeRequest *req) 251088eea45cSKlaus Jensen { 251188eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 251288eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 251388eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 251488eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 251588eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 251688eea45cSKlaus Jensen size_t len = nvme_l2b(ns, nlb); 251788eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 25182a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 251988eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 252088eea45cSKlaus Jensen NvmeBounceContext *ctx = NULL; 252188eea45cSKlaus Jensen uint16_t status; 252288eea45cSKlaus Jensen 252388eea45cSKlaus Jensen trace_pci_nvme_verify(nvme_cid(req), nvme_nsid(ns), slba, nlb); 252488eea45cSKlaus Jensen 252588eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 25262a132309SKlaus Jensen status = nvme_check_prinfo(ns, prinfo, slba, reftag); 252788eea45cSKlaus Jensen if (status) { 252888eea45cSKlaus Jensen return status; 252988eea45cSKlaus Jensen } 253088eea45cSKlaus Jensen 25312a132309SKlaus Jensen if (prinfo & NVME_PRINFO_PRACT) { 253288eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 253388eea45cSKlaus Jensen } 253488eea45cSKlaus Jensen } 253588eea45cSKlaus Jensen 253688eea45cSKlaus Jensen if (len > n->page_size << n->params.vsl) { 253788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 253888eea45cSKlaus Jensen } 253988eea45cSKlaus Jensen 254088eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 254188eea45cSKlaus Jensen if (status) { 254288eea45cSKlaus Jensen return status; 254388eea45cSKlaus Jensen } 254488eea45cSKlaus Jensen 254588eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 254688eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 254788eea45cSKlaus Jensen if (status) { 254888eea45cSKlaus Jensen return status; 254988eea45cSKlaus Jensen } 255088eea45cSKlaus Jensen } 255188eea45cSKlaus Jensen 255288eea45cSKlaus Jensen ctx = g_new0(NvmeBounceContext, 1); 255388eea45cSKlaus Jensen ctx->req = req; 255488eea45cSKlaus Jensen 255588eea45cSKlaus Jensen ctx->data.bounce = g_malloc(len); 255688eea45cSKlaus Jensen 255788eea45cSKlaus Jensen qemu_iovec_init(&ctx->data.iov, 1); 255888eea45cSKlaus Jensen qemu_iovec_add(&ctx->data.iov, ctx->data.bounce, len); 255988eea45cSKlaus Jensen 256088eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, ctx->data.iov.size, 256188eea45cSKlaus Jensen BLOCK_ACCT_READ); 256288eea45cSKlaus Jensen 256388eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(ns->blkconf.blk, offset, &ctx->data.iov, 0, 256488eea45cSKlaus Jensen nvme_verify_mdata_in_cb, ctx); 256588eea45cSKlaus Jensen return NVME_NO_COMPLETE; 256688eea45cSKlaus Jensen } 256788eea45cSKlaus Jensen 2568796d2068SKlaus Jensen typedef struct NvmeCopyAIOCB { 2569796d2068SKlaus Jensen BlockAIOCB common; 2570796d2068SKlaus Jensen BlockAIOCB *aiocb; 2571796d2068SKlaus Jensen NvmeRequest *req; 2572796d2068SKlaus Jensen int ret; 2573796d2068SKlaus Jensen 257444219b60SNaveen Nagar void *ranges; 257544219b60SNaveen Nagar unsigned int format; 2576796d2068SKlaus Jensen int nr; 2577796d2068SKlaus Jensen int idx; 2578796d2068SKlaus Jensen 2579796d2068SKlaus Jensen uint8_t *bounce; 2580796d2068SKlaus Jensen QEMUIOVector iov; 2581796d2068SKlaus Jensen struct { 2582796d2068SKlaus Jensen BlockAcctCookie read; 2583796d2068SKlaus Jensen BlockAcctCookie write; 2584796d2068SKlaus Jensen } acct; 2585796d2068SKlaus Jensen 258644219b60SNaveen Nagar uint64_t reftag; 2587796d2068SKlaus Jensen uint64_t slba; 2588796d2068SKlaus Jensen 2589796d2068SKlaus Jensen NvmeZone *zone; 2590796d2068SKlaus Jensen } NvmeCopyAIOCB; 2591796d2068SKlaus Jensen 2592796d2068SKlaus Jensen static void nvme_copy_cancel(BlockAIOCB *aiocb) 259388eea45cSKlaus Jensen { 2594796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = container_of(aiocb, NvmeCopyAIOCB, common); 2595796d2068SKlaus Jensen 2596796d2068SKlaus Jensen iocb->ret = -ECANCELED; 2597796d2068SKlaus Jensen 2598796d2068SKlaus Jensen if (iocb->aiocb) { 2599796d2068SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 2600796d2068SKlaus Jensen iocb->aiocb = NULL; 2601796d2068SKlaus Jensen } 2602796d2068SKlaus Jensen } 2603796d2068SKlaus Jensen 2604796d2068SKlaus Jensen static const AIOCBInfo nvme_copy_aiocb_info = { 2605796d2068SKlaus Jensen .aiocb_size = sizeof(NvmeCopyAIOCB), 2606796d2068SKlaus Jensen .cancel_async = nvme_copy_cancel, 2607796d2068SKlaus Jensen }; 2608796d2068SKlaus Jensen 260983f56ac3SKlaus Jensen static void nvme_copy_done(NvmeCopyAIOCB *iocb) 2610796d2068SKlaus Jensen { 2611796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 261288eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 2613796d2068SKlaus Jensen BlockAcctStats *stats = blk_get_stats(ns->blkconf.blk); 2614796d2068SKlaus Jensen 2615796d2068SKlaus Jensen if (iocb->idx != iocb->nr) { 2616796d2068SKlaus Jensen req->cqe.result = cpu_to_le32(iocb->idx); 2617796d2068SKlaus Jensen } 2618796d2068SKlaus Jensen 2619796d2068SKlaus Jensen qemu_iovec_destroy(&iocb->iov); 2620796d2068SKlaus Jensen g_free(iocb->bounce); 2621796d2068SKlaus Jensen 2622796d2068SKlaus Jensen if (iocb->ret < 0) { 2623796d2068SKlaus Jensen block_acct_failed(stats, &iocb->acct.read); 2624796d2068SKlaus Jensen block_acct_failed(stats, &iocb->acct.write); 2625796d2068SKlaus Jensen } else { 2626796d2068SKlaus Jensen block_acct_done(stats, &iocb->acct.read); 2627796d2068SKlaus Jensen block_acct_done(stats, &iocb->acct.write); 2628796d2068SKlaus Jensen } 2629796d2068SKlaus Jensen 2630796d2068SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 2631796d2068SKlaus Jensen qemu_aio_unref(iocb); 2632796d2068SKlaus Jensen } 2633796d2068SKlaus Jensen 263483f56ac3SKlaus Jensen static void nvme_do_copy(NvmeCopyAIOCB *iocb); 2635796d2068SKlaus Jensen 263644219b60SNaveen Nagar static void nvme_copy_source_range_parse_format0(void *ranges, int idx, 263744219b60SNaveen Nagar uint64_t *slba, uint32_t *nlb, 263844219b60SNaveen Nagar uint16_t *apptag, 263944219b60SNaveen Nagar uint16_t *appmask, 264044219b60SNaveen Nagar uint64_t *reftag) 264144219b60SNaveen Nagar { 264244219b60SNaveen Nagar NvmeCopySourceRangeFormat0 *_ranges = ranges; 264344219b60SNaveen Nagar 264444219b60SNaveen Nagar if (slba) { 264544219b60SNaveen Nagar *slba = le64_to_cpu(_ranges[idx].slba); 264644219b60SNaveen Nagar } 264744219b60SNaveen Nagar 264844219b60SNaveen Nagar if (nlb) { 264944219b60SNaveen Nagar *nlb = le16_to_cpu(_ranges[idx].nlb) + 1; 265044219b60SNaveen Nagar } 265144219b60SNaveen Nagar 265244219b60SNaveen Nagar if (apptag) { 265344219b60SNaveen Nagar *apptag = le16_to_cpu(_ranges[idx].apptag); 265444219b60SNaveen Nagar } 265544219b60SNaveen Nagar 265644219b60SNaveen Nagar if (appmask) { 265744219b60SNaveen Nagar *appmask = le16_to_cpu(_ranges[idx].appmask); 265844219b60SNaveen Nagar } 265944219b60SNaveen Nagar 266044219b60SNaveen Nagar if (reftag) { 266144219b60SNaveen Nagar *reftag = le32_to_cpu(_ranges[idx].reftag); 266244219b60SNaveen Nagar } 266344219b60SNaveen Nagar } 266444219b60SNaveen Nagar 266544219b60SNaveen Nagar static void nvme_copy_source_range_parse_format1(void *ranges, int idx, 266644219b60SNaveen Nagar uint64_t *slba, uint32_t *nlb, 266744219b60SNaveen Nagar uint16_t *apptag, 266844219b60SNaveen Nagar uint16_t *appmask, 266944219b60SNaveen Nagar uint64_t *reftag) 267044219b60SNaveen Nagar { 267144219b60SNaveen Nagar NvmeCopySourceRangeFormat1 *_ranges = ranges; 267244219b60SNaveen Nagar 267344219b60SNaveen Nagar if (slba) { 267444219b60SNaveen Nagar *slba = le64_to_cpu(_ranges[idx].slba); 267544219b60SNaveen Nagar } 267644219b60SNaveen Nagar 267744219b60SNaveen Nagar if (nlb) { 267844219b60SNaveen Nagar *nlb = le16_to_cpu(_ranges[idx].nlb) + 1; 267944219b60SNaveen Nagar } 268044219b60SNaveen Nagar 268144219b60SNaveen Nagar if (apptag) { 268244219b60SNaveen Nagar *apptag = le16_to_cpu(_ranges[idx].apptag); 268344219b60SNaveen Nagar } 268444219b60SNaveen Nagar 268544219b60SNaveen Nagar if (appmask) { 268644219b60SNaveen Nagar *appmask = le16_to_cpu(_ranges[idx].appmask); 268744219b60SNaveen Nagar } 268844219b60SNaveen Nagar 268944219b60SNaveen Nagar if (reftag) { 269044219b60SNaveen Nagar *reftag = 0; 269144219b60SNaveen Nagar 269244219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[4] << 40; 269344219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[5] << 32; 269444219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[6] << 24; 269544219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[7] << 16; 269644219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[8] << 8; 269744219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[9]; 269844219b60SNaveen Nagar } 269944219b60SNaveen Nagar } 270044219b60SNaveen Nagar 270144219b60SNaveen Nagar static void nvme_copy_source_range_parse(void *ranges, int idx, uint8_t format, 270244219b60SNaveen Nagar uint64_t *slba, uint32_t *nlb, 270344219b60SNaveen Nagar uint16_t *apptag, uint16_t *appmask, 270444219b60SNaveen Nagar uint64_t *reftag) 270544219b60SNaveen Nagar { 270644219b60SNaveen Nagar switch (format) { 270744219b60SNaveen Nagar case NVME_COPY_FORMAT_0: 270844219b60SNaveen Nagar nvme_copy_source_range_parse_format0(ranges, idx, slba, nlb, apptag, 270944219b60SNaveen Nagar appmask, reftag); 271044219b60SNaveen Nagar break; 271144219b60SNaveen Nagar 271244219b60SNaveen Nagar case NVME_COPY_FORMAT_1: 271344219b60SNaveen Nagar nvme_copy_source_range_parse_format1(ranges, idx, slba, nlb, apptag, 271444219b60SNaveen Nagar appmask, reftag); 271544219b60SNaveen Nagar break; 271644219b60SNaveen Nagar 271744219b60SNaveen Nagar default: 271844219b60SNaveen Nagar abort(); 271944219b60SNaveen Nagar } 272044219b60SNaveen Nagar } 272144219b60SNaveen Nagar 2722796d2068SKlaus Jensen static void nvme_copy_out_completed_cb(void *opaque, int ret) 2723796d2068SKlaus Jensen { 2724796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2725796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2726796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 272744219b60SNaveen Nagar uint32_t nlb; 272844219b60SNaveen Nagar 272944219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, NULL, 273044219b60SNaveen Nagar &nlb, NULL, NULL, NULL); 2731796d2068SKlaus Jensen 2732796d2068SKlaus Jensen if (ret < 0) { 2733796d2068SKlaus Jensen iocb->ret = ret; 2734796d2068SKlaus Jensen goto out; 2735796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2736796d2068SKlaus Jensen goto out; 2737796d2068SKlaus Jensen } 2738796d2068SKlaus Jensen 2739796d2068SKlaus Jensen if (ns->params.zoned) { 2740796d2068SKlaus Jensen nvme_advance_zone_wp(ns, iocb->zone, nlb); 2741796d2068SKlaus Jensen } 2742796d2068SKlaus Jensen 2743796d2068SKlaus Jensen iocb->idx++; 2744796d2068SKlaus Jensen iocb->slba += nlb; 2745796d2068SKlaus Jensen out: 274683f56ac3SKlaus Jensen nvme_do_copy(iocb); 2747796d2068SKlaus Jensen } 2748796d2068SKlaus Jensen 2749796d2068SKlaus Jensen static void nvme_copy_out_cb(void *opaque, int ret) 2750796d2068SKlaus Jensen { 2751796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2752796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2753796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2754796d2068SKlaus Jensen uint32_t nlb; 2755796d2068SKlaus Jensen size_t mlen; 2756796d2068SKlaus Jensen uint8_t *mbounce; 2757796d2068SKlaus Jensen 275883f56ac3SKlaus Jensen if (ret < 0 || iocb->ret < 0 || !ns->lbaf.ms) { 2759796d2068SKlaus Jensen goto out; 2760796d2068SKlaus Jensen } 2761796d2068SKlaus Jensen 276244219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, NULL, 276344219b60SNaveen Nagar &nlb, NULL, NULL, NULL); 2764796d2068SKlaus Jensen 2765796d2068SKlaus Jensen mlen = nvme_m2b(ns, nlb); 2766796d2068SKlaus Jensen mbounce = iocb->bounce + nvme_l2b(ns, nlb); 2767796d2068SKlaus Jensen 2768796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2769796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, mbounce, mlen); 2770796d2068SKlaus Jensen 2771796d2068SKlaus Jensen iocb->aiocb = blk_aio_pwritev(ns->blkconf.blk, nvme_moff(ns, iocb->slba), 2772796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_out_completed_cb, 2773796d2068SKlaus Jensen iocb); 2774796d2068SKlaus Jensen 2775796d2068SKlaus Jensen return; 2776796d2068SKlaus Jensen 2777796d2068SKlaus Jensen out: 277883f56ac3SKlaus Jensen nvme_copy_out_completed_cb(iocb, ret); 2779796d2068SKlaus Jensen } 2780796d2068SKlaus Jensen 2781796d2068SKlaus Jensen static void nvme_copy_in_completed_cb(void *opaque, int ret) 2782796d2068SKlaus Jensen { 2783796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2784796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2785796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2786796d2068SKlaus Jensen uint32_t nlb; 278744219b60SNaveen Nagar uint64_t slba; 278844219b60SNaveen Nagar uint16_t apptag, appmask; 278944219b60SNaveen Nagar uint64_t reftag; 2790796d2068SKlaus Jensen size_t len; 2791796d2068SKlaus Jensen uint16_t status; 2792796d2068SKlaus Jensen 2793796d2068SKlaus Jensen if (ret < 0) { 2794796d2068SKlaus Jensen iocb->ret = ret; 2795796d2068SKlaus Jensen goto out; 2796796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2797796d2068SKlaus Jensen goto out; 2798796d2068SKlaus Jensen } 2799796d2068SKlaus Jensen 280044219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, &slba, 280144219b60SNaveen Nagar &nlb, &apptag, &appmask, &reftag); 2802796d2068SKlaus Jensen len = nvme_l2b(ns, nlb); 2803796d2068SKlaus Jensen 2804796d2068SKlaus Jensen trace_pci_nvme_copy_out(iocb->slba, nlb); 2805796d2068SKlaus Jensen 2806796d2068SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 280788eea45cSKlaus Jensen NvmeCopyCmd *copy = (NvmeCopyCmd *)&req->cmd; 280888eea45cSKlaus Jensen 2809796d2068SKlaus Jensen uint16_t prinfor = ((copy->control[0] >> 4) & 0xf); 2810796d2068SKlaus Jensen uint16_t prinfow = ((copy->control[2] >> 2) & 0xf); 281188eea45cSKlaus Jensen 2812796d2068SKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 2813796d2068SKlaus Jensen uint8_t *mbounce = iocb->bounce + nvme_l2b(ns, nlb); 2814796d2068SKlaus Jensen 28152e8f952aSDmitry Tikhov status = nvme_dif_mangle_mdata(ns, mbounce, mlen, slba); 28162e8f952aSDmitry Tikhov if (status) { 28172e8f952aSDmitry Tikhov goto invalid; 28182e8f952aSDmitry Tikhov } 2819796d2068SKlaus Jensen status = nvme_dif_check(ns, iocb->bounce, len, mbounce, mlen, prinfor, 2820796d2068SKlaus Jensen slba, apptag, appmask, &reftag); 2821796d2068SKlaus Jensen if (status) { 2822796d2068SKlaus Jensen goto invalid; 2823796d2068SKlaus Jensen } 2824796d2068SKlaus Jensen 2825796d2068SKlaus Jensen apptag = le16_to_cpu(copy->apptag); 2826796d2068SKlaus Jensen appmask = le16_to_cpu(copy->appmask); 2827796d2068SKlaus Jensen 2828796d2068SKlaus Jensen if (prinfow & NVME_PRINFO_PRACT) { 2829796d2068SKlaus Jensen status = nvme_check_prinfo(ns, prinfow, iocb->slba, iocb->reftag); 2830796d2068SKlaus Jensen if (status) { 2831796d2068SKlaus Jensen goto invalid; 2832796d2068SKlaus Jensen } 2833796d2068SKlaus Jensen 2834796d2068SKlaus Jensen nvme_dif_pract_generate_dif(ns, iocb->bounce, len, mbounce, mlen, 2835796d2068SKlaus Jensen apptag, &iocb->reftag); 2836796d2068SKlaus Jensen } else { 2837796d2068SKlaus Jensen status = nvme_dif_check(ns, iocb->bounce, len, mbounce, mlen, 2838796d2068SKlaus Jensen prinfow, iocb->slba, apptag, appmask, 2839796d2068SKlaus Jensen &iocb->reftag); 2840796d2068SKlaus Jensen if (status) { 2841796d2068SKlaus Jensen goto invalid; 2842796d2068SKlaus Jensen } 2843796d2068SKlaus Jensen } 2844796d2068SKlaus Jensen } 2845796d2068SKlaus Jensen 2846796d2068SKlaus Jensen status = nvme_check_bounds(ns, iocb->slba, nlb); 2847796d2068SKlaus Jensen if (status) { 2848796d2068SKlaus Jensen goto invalid; 2849796d2068SKlaus Jensen } 2850796d2068SKlaus Jensen 2851796d2068SKlaus Jensen if (ns->params.zoned) { 2852796d2068SKlaus Jensen status = nvme_check_zone_write(ns, iocb->zone, iocb->slba, nlb); 2853796d2068SKlaus Jensen if (status) { 2854796d2068SKlaus Jensen goto invalid; 2855796d2068SKlaus Jensen } 2856796d2068SKlaus Jensen 2857e321b4cdSKlaus Jensen if (!(iocb->zone->d.za & NVME_ZA_ZRWA_VALID)) { 2858796d2068SKlaus Jensen iocb->zone->w_ptr += nlb; 2859796d2068SKlaus Jensen } 2860e321b4cdSKlaus Jensen } 2861796d2068SKlaus Jensen 2862796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2863796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce, len); 2864796d2068SKlaus Jensen 2865796d2068SKlaus Jensen iocb->aiocb = blk_aio_pwritev(ns->blkconf.blk, nvme_l2b(ns, iocb->slba), 2866796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_out_cb, iocb); 2867796d2068SKlaus Jensen 2868796d2068SKlaus Jensen return; 2869796d2068SKlaus Jensen 2870796d2068SKlaus Jensen invalid: 2871796d2068SKlaus Jensen req->status = status; 287283f56ac3SKlaus Jensen iocb->ret = -1; 2873796d2068SKlaus Jensen out: 287483f56ac3SKlaus Jensen nvme_do_copy(iocb); 2875796d2068SKlaus Jensen } 2876796d2068SKlaus Jensen 2877796d2068SKlaus Jensen static void nvme_copy_in_cb(void *opaque, int ret) 2878796d2068SKlaus Jensen { 2879796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2880796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2881796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2882796d2068SKlaus Jensen uint64_t slba; 2883796d2068SKlaus Jensen uint32_t nlb; 2884796d2068SKlaus Jensen 288583f56ac3SKlaus Jensen if (ret < 0 || iocb->ret < 0 || !ns->lbaf.ms) { 2886796d2068SKlaus Jensen goto out; 2887796d2068SKlaus Jensen } 2888796d2068SKlaus Jensen 288944219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, &slba, 289044219b60SNaveen Nagar &nlb, NULL, NULL, NULL); 2891796d2068SKlaus Jensen 2892796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2893796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce + nvme_l2b(ns, nlb), 2894796d2068SKlaus Jensen nvme_m2b(ns, nlb)); 2895796d2068SKlaus Jensen 2896796d2068SKlaus Jensen iocb->aiocb = blk_aio_preadv(ns->blkconf.blk, nvme_moff(ns, slba), 2897796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_in_completed_cb, 2898796d2068SKlaus Jensen iocb); 2899796d2068SKlaus Jensen return; 2900796d2068SKlaus Jensen 2901796d2068SKlaus Jensen out: 290283f56ac3SKlaus Jensen nvme_copy_in_completed_cb(iocb, ret); 2903796d2068SKlaus Jensen } 2904796d2068SKlaus Jensen 290583f56ac3SKlaus Jensen static void nvme_do_copy(NvmeCopyAIOCB *iocb) 2906796d2068SKlaus Jensen { 2907796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2908796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2909796d2068SKlaus Jensen uint64_t slba; 2910796d2068SKlaus Jensen uint32_t nlb; 2911796d2068SKlaus Jensen size_t len; 291288eea45cSKlaus Jensen uint16_t status; 291388eea45cSKlaus Jensen 291483f56ac3SKlaus Jensen if (iocb->ret < 0) { 2915796d2068SKlaus Jensen goto done; 291688eea45cSKlaus Jensen } 291788eea45cSKlaus Jensen 2918796d2068SKlaus Jensen if (iocb->idx == iocb->nr) { 2919796d2068SKlaus Jensen goto done; 292088eea45cSKlaus Jensen } 292188eea45cSKlaus Jensen 292244219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, &slba, 292344219b60SNaveen Nagar &nlb, NULL, NULL, NULL); 2924796d2068SKlaus Jensen len = nvme_l2b(ns, nlb); 292588eea45cSKlaus Jensen 2926796d2068SKlaus Jensen trace_pci_nvme_copy_source_range(slba, nlb); 292788eea45cSKlaus Jensen 2928796d2068SKlaus Jensen if (nlb > le16_to_cpu(ns->id_ns.mssrl)) { 292988eea45cSKlaus Jensen status = NVME_CMD_SIZE_LIMIT | NVME_DNR; 2930796d2068SKlaus Jensen goto invalid; 293188eea45cSKlaus Jensen } 293288eea45cSKlaus Jensen 2933796d2068SKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 293488eea45cSKlaus Jensen if (status) { 2935796d2068SKlaus Jensen goto invalid; 293688eea45cSKlaus Jensen } 293788eea45cSKlaus Jensen 293888eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 2939796d2068SKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 294088eea45cSKlaus Jensen if (status) { 2941796d2068SKlaus Jensen goto invalid; 294288eea45cSKlaus Jensen } 294388eea45cSKlaus Jensen } 294488eea45cSKlaus Jensen 294588eea45cSKlaus Jensen if (ns->params.zoned) { 2946796d2068SKlaus Jensen status = nvme_check_zone_read(ns, slba, nlb); 294788eea45cSKlaus Jensen if (status) { 2948796d2068SKlaus Jensen goto invalid; 294988eea45cSKlaus Jensen } 295088eea45cSKlaus Jensen } 295188eea45cSKlaus Jensen 2952796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2953796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce, len); 2954796d2068SKlaus Jensen 2955796d2068SKlaus Jensen iocb->aiocb = blk_aio_preadv(ns->blkconf.blk, nvme_l2b(ns, slba), 2956796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_in_cb, iocb); 2957796d2068SKlaus Jensen return; 2958796d2068SKlaus Jensen 2959796d2068SKlaus Jensen invalid: 2960796d2068SKlaus Jensen req->status = status; 296183f56ac3SKlaus Jensen iocb->ret = -1; 2962796d2068SKlaus Jensen done: 296383f56ac3SKlaus Jensen nvme_copy_done(iocb); 2964796d2068SKlaus Jensen } 2965796d2068SKlaus Jensen 2966796d2068SKlaus Jensen static uint16_t nvme_copy(NvmeCtrl *n, NvmeRequest *req) 2967796d2068SKlaus Jensen { 2968796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2969796d2068SKlaus Jensen NvmeCopyCmd *copy = (NvmeCopyCmd *)&req->cmd; 2970796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = blk_aio_get(&nvme_copy_aiocb_info, ns->blkconf.blk, 2971796d2068SKlaus Jensen nvme_misc_cb, req); 2972796d2068SKlaus Jensen uint16_t nr = copy->nr + 1; 2973796d2068SKlaus Jensen uint8_t format = copy->control[0] & 0xf; 2974796d2068SKlaus Jensen uint16_t prinfor = ((copy->control[0] >> 4) & 0xf); 2975796d2068SKlaus Jensen uint16_t prinfow = ((copy->control[2] >> 2) & 0xf); 297644219b60SNaveen Nagar size_t len = sizeof(NvmeCopySourceRangeFormat0); 2977796d2068SKlaus Jensen 2978796d2068SKlaus Jensen uint16_t status; 2979796d2068SKlaus Jensen 2980796d2068SKlaus Jensen trace_pci_nvme_copy(nvme_cid(req), nvme_nsid(ns), nr, format); 2981796d2068SKlaus Jensen 2982796d2068SKlaus Jensen iocb->ranges = NULL; 2983796d2068SKlaus Jensen iocb->zone = NULL; 2984796d2068SKlaus Jensen 2985796d2068SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) && 2986796d2068SKlaus Jensen ((prinfor & NVME_PRINFO_PRACT) != (prinfow & NVME_PRINFO_PRACT))) { 2987796d2068SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 2988796d2068SKlaus Jensen goto invalid; 2989796d2068SKlaus Jensen } 2990796d2068SKlaus Jensen 2991796d2068SKlaus Jensen if (!(n->id_ctrl.ocfs & (1 << format))) { 2992796d2068SKlaus Jensen trace_pci_nvme_err_copy_invalid_format(format); 2993796d2068SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 2994796d2068SKlaus Jensen goto invalid; 2995796d2068SKlaus Jensen } 2996796d2068SKlaus Jensen 2997796d2068SKlaus Jensen if (nr > ns->id_ns.msrc + 1) { 299888eea45cSKlaus Jensen status = NVME_CMD_SIZE_LIMIT | NVME_DNR; 2999796d2068SKlaus Jensen goto invalid; 300088eea45cSKlaus Jensen } 300188eea45cSKlaus Jensen 3002632cb6cfSFrancis Pravin Antony Michael Raj if ((ns->pif == 0x0 && format != 0x0) || 3003632cb6cfSFrancis Pravin Antony Michael Raj (ns->pif != 0x0 && format != 0x1)) { 300444219b60SNaveen Nagar status = NVME_INVALID_FORMAT | NVME_DNR; 300544219b60SNaveen Nagar goto invalid; 300644219b60SNaveen Nagar } 3007796d2068SKlaus Jensen 300844219b60SNaveen Nagar if (ns->pif) { 300944219b60SNaveen Nagar len = sizeof(NvmeCopySourceRangeFormat1); 301044219b60SNaveen Nagar } 301144219b60SNaveen Nagar 301244219b60SNaveen Nagar iocb->format = format; 301344219b60SNaveen Nagar iocb->ranges = g_malloc_n(nr, len); 301444219b60SNaveen Nagar status = nvme_h2c(n, (uint8_t *)iocb->ranges, len * nr, req); 3015796d2068SKlaus Jensen if (status) { 3016796d2068SKlaus Jensen goto invalid; 301788eea45cSKlaus Jensen } 301888eea45cSKlaus Jensen 3019796d2068SKlaus Jensen iocb->slba = le64_to_cpu(copy->sdlba); 3020796d2068SKlaus Jensen 3021796d2068SKlaus Jensen if (ns->params.zoned) { 3022796d2068SKlaus Jensen iocb->zone = nvme_get_zone_by_slba(ns, iocb->slba); 3023796d2068SKlaus Jensen if (!iocb->zone) { 3024796d2068SKlaus Jensen status = NVME_LBA_RANGE | NVME_DNR; 3025796d2068SKlaus Jensen goto invalid; 3026796d2068SKlaus Jensen } 3027796d2068SKlaus Jensen 3028796d2068SKlaus Jensen status = nvme_zrm_auto(n, ns, iocb->zone); 3029796d2068SKlaus Jensen if (status) { 3030796d2068SKlaus Jensen goto invalid; 3031796d2068SKlaus Jensen } 3032796d2068SKlaus Jensen } 3033796d2068SKlaus Jensen 3034796d2068SKlaus Jensen iocb->req = req; 3035796d2068SKlaus Jensen iocb->ret = 0; 3036796d2068SKlaus Jensen iocb->nr = nr; 3037796d2068SKlaus Jensen iocb->idx = 0; 3038796d2068SKlaus Jensen iocb->reftag = le32_to_cpu(copy->reftag); 303944219b60SNaveen Nagar iocb->reftag |= (uint64_t)le32_to_cpu(copy->cdw3) << 32; 3040796d2068SKlaus Jensen iocb->bounce = g_malloc_n(le16_to_cpu(ns->id_ns.mssrl), 3041796d2068SKlaus Jensen ns->lbasz + ns->lbaf.ms); 3042796d2068SKlaus Jensen 3043796d2068SKlaus Jensen qemu_iovec_init(&iocb->iov, 1); 3044796d2068SKlaus Jensen 3045796d2068SKlaus Jensen block_acct_start(blk_get_stats(ns->blkconf.blk), &iocb->acct.read, 0, 304688eea45cSKlaus Jensen BLOCK_ACCT_READ); 3047796d2068SKlaus Jensen block_acct_start(blk_get_stats(ns->blkconf.blk), &iocb->acct.write, 0, 3048796d2068SKlaus Jensen BLOCK_ACCT_WRITE); 304988eea45cSKlaus Jensen 3050796d2068SKlaus Jensen req->aiocb = &iocb->common; 305183f56ac3SKlaus Jensen nvme_do_copy(iocb); 305288eea45cSKlaus Jensen 305388eea45cSKlaus Jensen return NVME_NO_COMPLETE; 305488eea45cSKlaus Jensen 3055796d2068SKlaus Jensen invalid: 3056796d2068SKlaus Jensen g_free(iocb->ranges); 3057796d2068SKlaus Jensen qemu_aio_unref(iocb); 305888eea45cSKlaus Jensen return status; 305988eea45cSKlaus Jensen } 306088eea45cSKlaus Jensen 306188eea45cSKlaus Jensen static uint16_t nvme_compare(NvmeCtrl *n, NvmeRequest *req) 306288eea45cSKlaus Jensen { 306388eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 306488eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 306588eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 306688eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 306788eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 30682a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 306988eea45cSKlaus Jensen size_t data_len = nvme_l2b(ns, nlb); 307088eea45cSKlaus Jensen size_t len = data_len; 307188eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 307288eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = NULL; 307388eea45cSKlaus Jensen uint16_t status; 307488eea45cSKlaus Jensen 307588eea45cSKlaus Jensen trace_pci_nvme_compare(nvme_cid(req), nvme_nsid(ns), slba, nlb); 307688eea45cSKlaus Jensen 30772a132309SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) && (prinfo & NVME_PRINFO_PRACT)) { 307888eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 307988eea45cSKlaus Jensen } 308088eea45cSKlaus Jensen 308188eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 308288eea45cSKlaus Jensen len += nvme_m2b(ns, nlb); 308388eea45cSKlaus Jensen } 308488eea45cSKlaus Jensen 308588eea45cSKlaus Jensen status = nvme_check_mdts(n, len); 308688eea45cSKlaus Jensen if (status) { 308788eea45cSKlaus Jensen return status; 308888eea45cSKlaus Jensen } 308988eea45cSKlaus Jensen 309088eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 309188eea45cSKlaus Jensen if (status) { 309288eea45cSKlaus Jensen return status; 309388eea45cSKlaus Jensen } 309488eea45cSKlaus Jensen 309588eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 309688eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 309788eea45cSKlaus Jensen if (status) { 309888eea45cSKlaus Jensen return status; 309988eea45cSKlaus Jensen } 310088eea45cSKlaus Jensen } 310188eea45cSKlaus Jensen 310288eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 310388eea45cSKlaus Jensen if (status) { 310488eea45cSKlaus Jensen return status; 310588eea45cSKlaus Jensen } 310688eea45cSKlaus Jensen 310788eea45cSKlaus Jensen ctx = g_new(struct nvme_compare_ctx, 1); 310888eea45cSKlaus Jensen ctx->data.bounce = g_malloc(data_len); 310988eea45cSKlaus Jensen 311088eea45cSKlaus Jensen req->opaque = ctx; 311188eea45cSKlaus Jensen 311288eea45cSKlaus Jensen qemu_iovec_init(&ctx->data.iov, 1); 311388eea45cSKlaus Jensen qemu_iovec_add(&ctx->data.iov, ctx->data.bounce, data_len); 311488eea45cSKlaus Jensen 311588eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_len, 311688eea45cSKlaus Jensen BLOCK_ACCT_READ); 311788eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->data.iov, 0, 311888eea45cSKlaus Jensen nvme_compare_data_cb, req); 311988eea45cSKlaus Jensen 312088eea45cSKlaus Jensen return NVME_NO_COMPLETE; 312188eea45cSKlaus Jensen } 312288eea45cSKlaus Jensen 312338f4ac65SKlaus Jensen typedef struct NvmeFlushAIOCB { 312438f4ac65SKlaus Jensen BlockAIOCB common; 312538f4ac65SKlaus Jensen BlockAIOCB *aiocb; 312638f4ac65SKlaus Jensen NvmeRequest *req; 312738f4ac65SKlaus Jensen int ret; 312838f4ac65SKlaus Jensen 312938f4ac65SKlaus Jensen NvmeNamespace *ns; 313038f4ac65SKlaus Jensen uint32_t nsid; 313138f4ac65SKlaus Jensen bool broadcast; 313238f4ac65SKlaus Jensen } NvmeFlushAIOCB; 313338f4ac65SKlaus Jensen 313438f4ac65SKlaus Jensen static void nvme_flush_cancel(BlockAIOCB *acb) 313538f4ac65SKlaus Jensen { 313638f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = container_of(acb, NvmeFlushAIOCB, common); 313738f4ac65SKlaus Jensen 313838f4ac65SKlaus Jensen iocb->ret = -ECANCELED; 313938f4ac65SKlaus Jensen 314038f4ac65SKlaus Jensen if (iocb->aiocb) { 314138f4ac65SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 31423dbc1708SKlaus Jensen iocb->aiocb = NULL; 314338f4ac65SKlaus Jensen } 314438f4ac65SKlaus Jensen } 314538f4ac65SKlaus Jensen 314638f4ac65SKlaus Jensen static const AIOCBInfo nvme_flush_aiocb_info = { 314738f4ac65SKlaus Jensen .aiocb_size = sizeof(NvmeFlushAIOCB), 314838f4ac65SKlaus Jensen .cancel_async = nvme_flush_cancel, 314938f4ac65SKlaus Jensen .get_aio_context = nvme_get_aio_context, 315038f4ac65SKlaus Jensen }; 315138f4ac65SKlaus Jensen 31523dbc1708SKlaus Jensen static void nvme_do_flush(NvmeFlushAIOCB *iocb); 31533dbc1708SKlaus Jensen 315438f4ac65SKlaus Jensen static void nvme_flush_ns_cb(void *opaque, int ret) 315538f4ac65SKlaus Jensen { 315638f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = opaque; 315738f4ac65SKlaus Jensen NvmeNamespace *ns = iocb->ns; 315838f4ac65SKlaus Jensen 315938f4ac65SKlaus Jensen if (ret < 0) { 316038f4ac65SKlaus Jensen iocb->ret = ret; 316138f4ac65SKlaus Jensen goto out; 316238f4ac65SKlaus Jensen } else if (iocb->ret < 0) { 316338f4ac65SKlaus Jensen goto out; 316438f4ac65SKlaus Jensen } 316538f4ac65SKlaus Jensen 316638f4ac65SKlaus Jensen if (ns) { 316738f4ac65SKlaus Jensen trace_pci_nvme_flush_ns(iocb->nsid); 316838f4ac65SKlaus Jensen 316938f4ac65SKlaus Jensen iocb->ns = NULL; 317038f4ac65SKlaus Jensen iocb->aiocb = blk_aio_flush(ns->blkconf.blk, nvme_flush_ns_cb, iocb); 317138f4ac65SKlaus Jensen return; 317238f4ac65SKlaus Jensen } 317338f4ac65SKlaus Jensen 317438f4ac65SKlaus Jensen out: 31753dbc1708SKlaus Jensen nvme_do_flush(iocb); 317638f4ac65SKlaus Jensen } 317738f4ac65SKlaus Jensen 31783dbc1708SKlaus Jensen static void nvme_do_flush(NvmeFlushAIOCB *iocb) 317938f4ac65SKlaus Jensen { 318038f4ac65SKlaus Jensen NvmeRequest *req = iocb->req; 318138f4ac65SKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 318238f4ac65SKlaus Jensen int i; 318338f4ac65SKlaus Jensen 318438f4ac65SKlaus Jensen if (iocb->ret < 0) { 318538f4ac65SKlaus Jensen goto done; 318638f4ac65SKlaus Jensen } 318738f4ac65SKlaus Jensen 318838f4ac65SKlaus Jensen if (iocb->broadcast) { 318938f4ac65SKlaus Jensen for (i = iocb->nsid + 1; i <= NVME_MAX_NAMESPACES; i++) { 319038f4ac65SKlaus Jensen iocb->ns = nvme_ns(n, i); 319138f4ac65SKlaus Jensen if (iocb->ns) { 319238f4ac65SKlaus Jensen iocb->nsid = i; 319338f4ac65SKlaus Jensen break; 319438f4ac65SKlaus Jensen } 319538f4ac65SKlaus Jensen } 319638f4ac65SKlaus Jensen } 319738f4ac65SKlaus Jensen 319838f4ac65SKlaus Jensen if (!iocb->ns) { 319938f4ac65SKlaus Jensen goto done; 320038f4ac65SKlaus Jensen } 320138f4ac65SKlaus Jensen 320238f4ac65SKlaus Jensen nvme_flush_ns_cb(iocb, 0); 320338f4ac65SKlaus Jensen return; 320438f4ac65SKlaus Jensen 320538f4ac65SKlaus Jensen done: 320638f4ac65SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 320738f4ac65SKlaus Jensen qemu_aio_unref(iocb); 320838f4ac65SKlaus Jensen } 320938f4ac65SKlaus Jensen 321088eea45cSKlaus Jensen static uint16_t nvme_flush(NvmeCtrl *n, NvmeRequest *req) 321188eea45cSKlaus Jensen { 321238f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb; 321388eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 321488eea45cSKlaus Jensen uint16_t status; 321588eea45cSKlaus Jensen 321638f4ac65SKlaus Jensen iocb = qemu_aio_get(&nvme_flush_aiocb_info, NULL, nvme_misc_cb, req); 321788eea45cSKlaus Jensen 321838f4ac65SKlaus Jensen iocb->req = req; 321938f4ac65SKlaus Jensen iocb->ret = 0; 322038f4ac65SKlaus Jensen iocb->ns = NULL; 322138f4ac65SKlaus Jensen iocb->nsid = 0; 322238f4ac65SKlaus Jensen iocb->broadcast = (nsid == NVME_NSID_BROADCAST); 322338f4ac65SKlaus Jensen 322438f4ac65SKlaus Jensen if (!iocb->broadcast) { 322538f4ac65SKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 322638f4ac65SKlaus Jensen status = NVME_INVALID_NSID | NVME_DNR; 322738f4ac65SKlaus Jensen goto out; 322888eea45cSKlaus Jensen } 322988eea45cSKlaus Jensen 323038f4ac65SKlaus Jensen iocb->ns = nvme_ns(n, nsid); 323138f4ac65SKlaus Jensen if (!iocb->ns) { 323238f4ac65SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 323338f4ac65SKlaus Jensen goto out; 323438f4ac65SKlaus Jensen } 323538f4ac65SKlaus Jensen 323638f4ac65SKlaus Jensen iocb->nsid = nsid; 323738f4ac65SKlaus Jensen } 323838f4ac65SKlaus Jensen 323938f4ac65SKlaus Jensen req->aiocb = &iocb->common; 32403dbc1708SKlaus Jensen nvme_do_flush(iocb); 324138f4ac65SKlaus Jensen 324288eea45cSKlaus Jensen return NVME_NO_COMPLETE; 324388eea45cSKlaus Jensen 324438f4ac65SKlaus Jensen out: 324538f4ac65SKlaus Jensen qemu_aio_unref(iocb); 324688eea45cSKlaus Jensen 324788eea45cSKlaus Jensen return status; 324888eea45cSKlaus Jensen } 324988eea45cSKlaus Jensen 325088eea45cSKlaus Jensen static uint16_t nvme_read(NvmeCtrl *n, NvmeRequest *req) 325188eea45cSKlaus Jensen { 325288eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 325388eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 325488eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 325588eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 32562a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 325788eea45cSKlaus Jensen uint64_t data_size = nvme_l2b(ns, nlb); 325888eea45cSKlaus Jensen uint64_t mapped_size = data_size; 325988eea45cSKlaus Jensen uint64_t data_offset; 326088eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 326188eea45cSKlaus Jensen uint16_t status; 326288eea45cSKlaus Jensen 326388eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 326488eea45cSKlaus Jensen mapped_size += nvme_m2b(ns, nlb); 326588eea45cSKlaus Jensen 326688eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 32672a132309SKlaus Jensen bool pract = prinfo & NVME_PRINFO_PRACT; 326888eea45cSKlaus Jensen 3269ac0b34c5SKlaus Jensen if (pract && ns->lbaf.ms == nvme_pi_tuple_size(ns)) { 327088eea45cSKlaus Jensen mapped_size = data_size; 327188eea45cSKlaus Jensen } 327288eea45cSKlaus Jensen } 327388eea45cSKlaus Jensen } 327488eea45cSKlaus Jensen 327588eea45cSKlaus Jensen trace_pci_nvme_read(nvme_cid(req), nvme_nsid(ns), nlb, mapped_size, slba); 327688eea45cSKlaus Jensen 327788eea45cSKlaus Jensen status = nvme_check_mdts(n, mapped_size); 327888eea45cSKlaus Jensen if (status) { 327988eea45cSKlaus Jensen goto invalid; 328088eea45cSKlaus Jensen } 328188eea45cSKlaus Jensen 328288eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 328388eea45cSKlaus Jensen if (status) { 328488eea45cSKlaus Jensen goto invalid; 328588eea45cSKlaus Jensen } 328688eea45cSKlaus Jensen 328788eea45cSKlaus Jensen if (ns->params.zoned) { 328888eea45cSKlaus Jensen status = nvme_check_zone_read(ns, slba, nlb); 328988eea45cSKlaus Jensen if (status) { 329088eea45cSKlaus Jensen trace_pci_nvme_err_zone_read_not_ok(slba, nlb, status); 329188eea45cSKlaus Jensen goto invalid; 329288eea45cSKlaus Jensen } 329388eea45cSKlaus Jensen } 329488eea45cSKlaus Jensen 329588eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 329688eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 329788eea45cSKlaus Jensen if (status) { 329888eea45cSKlaus Jensen goto invalid; 329988eea45cSKlaus Jensen } 330088eea45cSKlaus Jensen } 330188eea45cSKlaus Jensen 330288eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 330388eea45cSKlaus Jensen return nvme_dif_rw(n, req); 330488eea45cSKlaus Jensen } 330588eea45cSKlaus Jensen 330688eea45cSKlaus Jensen status = nvme_map_data(n, nlb, req); 330788eea45cSKlaus Jensen if (status) { 330888eea45cSKlaus Jensen goto invalid; 330988eea45cSKlaus Jensen } 331088eea45cSKlaus Jensen 331188eea45cSKlaus Jensen data_offset = nvme_l2b(ns, slba); 331288eea45cSKlaus Jensen 331388eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_size, 331488eea45cSKlaus Jensen BLOCK_ACCT_READ); 331588eea45cSKlaus Jensen nvme_blk_read(blk, data_offset, nvme_rw_cb, req); 331688eea45cSKlaus Jensen return NVME_NO_COMPLETE; 331788eea45cSKlaus Jensen 331888eea45cSKlaus Jensen invalid: 331988eea45cSKlaus Jensen block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_READ); 332088eea45cSKlaus Jensen return status | NVME_DNR; 332188eea45cSKlaus Jensen } 332288eea45cSKlaus Jensen 332388eea45cSKlaus Jensen static uint16_t nvme_do_write(NvmeCtrl *n, NvmeRequest *req, bool append, 332488eea45cSKlaus Jensen bool wrz) 332588eea45cSKlaus Jensen { 332688eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 332788eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 332888eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 332988eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 333088eea45cSKlaus Jensen uint16_t ctrl = le16_to_cpu(rw->control); 33312a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(ctrl); 333288eea45cSKlaus Jensen uint64_t data_size = nvme_l2b(ns, nlb); 333388eea45cSKlaus Jensen uint64_t mapped_size = data_size; 333488eea45cSKlaus Jensen uint64_t data_offset; 333588eea45cSKlaus Jensen NvmeZone *zone; 333688eea45cSKlaus Jensen NvmeZonedResult *res = (NvmeZonedResult *)&req->cqe; 333788eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 333888eea45cSKlaus Jensen uint16_t status; 333988eea45cSKlaus Jensen 334088eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 334188eea45cSKlaus Jensen mapped_size += nvme_m2b(ns, nlb); 334288eea45cSKlaus Jensen 334388eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 33442a132309SKlaus Jensen bool pract = prinfo & NVME_PRINFO_PRACT; 334588eea45cSKlaus Jensen 3346ac0b34c5SKlaus Jensen if (pract && ns->lbaf.ms == nvme_pi_tuple_size(ns)) { 334788eea45cSKlaus Jensen mapped_size -= nvme_m2b(ns, nlb); 334888eea45cSKlaus Jensen } 334988eea45cSKlaus Jensen } 335088eea45cSKlaus Jensen } 335188eea45cSKlaus Jensen 335288eea45cSKlaus Jensen trace_pci_nvme_write(nvme_cid(req), nvme_io_opc_str(rw->opcode), 335388eea45cSKlaus Jensen nvme_nsid(ns), nlb, mapped_size, slba); 335488eea45cSKlaus Jensen 335588eea45cSKlaus Jensen if (!wrz) { 335688eea45cSKlaus Jensen status = nvme_check_mdts(n, mapped_size); 335788eea45cSKlaus Jensen if (status) { 335888eea45cSKlaus Jensen goto invalid; 335988eea45cSKlaus Jensen } 336088eea45cSKlaus Jensen } 336188eea45cSKlaus Jensen 336288eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 336388eea45cSKlaus Jensen if (status) { 336488eea45cSKlaus Jensen goto invalid; 336588eea45cSKlaus Jensen } 336688eea45cSKlaus Jensen 336788eea45cSKlaus Jensen if (ns->params.zoned) { 336888eea45cSKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 3369189a8bf7SKlaus Jensen assert(zone); 337088eea45cSKlaus Jensen 337188eea45cSKlaus Jensen if (append) { 337288eea45cSKlaus Jensen bool piremap = !!(ctrl & NVME_RW_PIREMAP); 337388eea45cSKlaus Jensen 3374e321b4cdSKlaus Jensen if (unlikely(zone->d.za & NVME_ZA_ZRWA_VALID)) { 3375e321b4cdSKlaus Jensen return NVME_INVALID_ZONE_OP | NVME_DNR; 3376e321b4cdSKlaus Jensen } 3377e321b4cdSKlaus Jensen 337888eea45cSKlaus Jensen if (unlikely(slba != zone->d.zslba)) { 337988eea45cSKlaus Jensen trace_pci_nvme_err_append_not_at_start(slba, zone->d.zslba); 338088eea45cSKlaus Jensen status = NVME_INVALID_FIELD; 338188eea45cSKlaus Jensen goto invalid; 338288eea45cSKlaus Jensen } 338388eea45cSKlaus Jensen 338488eea45cSKlaus Jensen if (n->params.zasl && 338588eea45cSKlaus Jensen data_size > (uint64_t)n->page_size << n->params.zasl) { 338688eea45cSKlaus Jensen trace_pci_nvme_err_zasl(data_size); 338788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 338888eea45cSKlaus Jensen } 338988eea45cSKlaus Jensen 339088eea45cSKlaus Jensen slba = zone->w_ptr; 339188eea45cSKlaus Jensen rw->slba = cpu_to_le64(slba); 339288eea45cSKlaus Jensen res->slba = cpu_to_le64(slba); 339388eea45cSKlaus Jensen 339488eea45cSKlaus Jensen switch (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 339588eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_1: 339688eea45cSKlaus Jensen if (!piremap) { 339788eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 339888eea45cSKlaus Jensen } 339988eea45cSKlaus Jensen 340088eea45cSKlaus Jensen /* fallthrough */ 340188eea45cSKlaus Jensen 340288eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_2: 340388eea45cSKlaus Jensen if (piremap) { 340488eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 340588eea45cSKlaus Jensen rw->reftag = cpu_to_le32(reftag + (slba - zone->d.zslba)); 340688eea45cSKlaus Jensen } 340788eea45cSKlaus Jensen 340888eea45cSKlaus Jensen break; 340988eea45cSKlaus Jensen 341088eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_3: 341188eea45cSKlaus Jensen if (piremap) { 341288eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 341388eea45cSKlaus Jensen } 341488eea45cSKlaus Jensen 341588eea45cSKlaus Jensen break; 341688eea45cSKlaus Jensen } 341788eea45cSKlaus Jensen } 341888eea45cSKlaus Jensen 341988eea45cSKlaus Jensen status = nvme_check_zone_write(ns, zone, slba, nlb); 342088eea45cSKlaus Jensen if (status) { 342188eea45cSKlaus Jensen goto invalid; 342288eea45cSKlaus Jensen } 342388eea45cSKlaus Jensen 3424cccc2651SNiklas Cassel status = nvme_zrm_auto(n, ns, zone); 342588eea45cSKlaus Jensen if (status) { 342688eea45cSKlaus Jensen goto invalid; 342788eea45cSKlaus Jensen } 342888eea45cSKlaus Jensen 3429e321b4cdSKlaus Jensen if (!(zone->d.za & NVME_ZA_ZRWA_VALID)) { 343088eea45cSKlaus Jensen zone->w_ptr += nlb; 343188eea45cSKlaus Jensen } 3432e321b4cdSKlaus Jensen } 343388eea45cSKlaus Jensen 343488eea45cSKlaus Jensen data_offset = nvme_l2b(ns, slba); 343588eea45cSKlaus Jensen 343688eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 343788eea45cSKlaus Jensen return nvme_dif_rw(n, req); 343888eea45cSKlaus Jensen } 343988eea45cSKlaus Jensen 344088eea45cSKlaus Jensen if (!wrz) { 344188eea45cSKlaus Jensen status = nvme_map_data(n, nlb, req); 344288eea45cSKlaus Jensen if (status) { 344388eea45cSKlaus Jensen goto invalid; 344488eea45cSKlaus Jensen } 344588eea45cSKlaus Jensen 344688eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_size, 344788eea45cSKlaus Jensen BLOCK_ACCT_WRITE); 344888eea45cSKlaus Jensen nvme_blk_write(blk, data_offset, nvme_rw_cb, req); 344988eea45cSKlaus Jensen } else { 345088eea45cSKlaus Jensen req->aiocb = blk_aio_pwrite_zeroes(blk, data_offset, data_size, 345188eea45cSKlaus Jensen BDRV_REQ_MAY_UNMAP, nvme_rw_cb, 345288eea45cSKlaus Jensen req); 345388eea45cSKlaus Jensen } 345488eea45cSKlaus Jensen 345588eea45cSKlaus Jensen return NVME_NO_COMPLETE; 345688eea45cSKlaus Jensen 345788eea45cSKlaus Jensen invalid: 345888eea45cSKlaus Jensen block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_WRITE); 345988eea45cSKlaus Jensen return status | NVME_DNR; 346088eea45cSKlaus Jensen } 346188eea45cSKlaus Jensen 346288eea45cSKlaus Jensen static inline uint16_t nvme_write(NvmeCtrl *n, NvmeRequest *req) 346388eea45cSKlaus Jensen { 346488eea45cSKlaus Jensen return nvme_do_write(n, req, false, false); 346588eea45cSKlaus Jensen } 346688eea45cSKlaus Jensen 346788eea45cSKlaus Jensen static inline uint16_t nvme_write_zeroes(NvmeCtrl *n, NvmeRequest *req) 346888eea45cSKlaus Jensen { 346988eea45cSKlaus Jensen return nvme_do_write(n, req, false, true); 347088eea45cSKlaus Jensen } 347188eea45cSKlaus Jensen 347288eea45cSKlaus Jensen static inline uint16_t nvme_zone_append(NvmeCtrl *n, NvmeRequest *req) 347388eea45cSKlaus Jensen { 347488eea45cSKlaus Jensen return nvme_do_write(n, req, true, false); 347588eea45cSKlaus Jensen } 347688eea45cSKlaus Jensen 347788eea45cSKlaus Jensen static uint16_t nvme_get_mgmt_zone_slba_idx(NvmeNamespace *ns, NvmeCmd *c, 347888eea45cSKlaus Jensen uint64_t *slba, uint32_t *zone_idx) 347988eea45cSKlaus Jensen { 348088eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(c->cdw10); 348188eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(c->cdw11); 348288eea45cSKlaus Jensen 348388eea45cSKlaus Jensen if (!ns->params.zoned) { 348488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_opc(c->opcode); 348588eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 348688eea45cSKlaus Jensen } 348788eea45cSKlaus Jensen 348888eea45cSKlaus Jensen *slba = ((uint64_t)dw11) << 32 | dw10; 348988eea45cSKlaus Jensen if (unlikely(*slba >= ns->id_ns.nsze)) { 349088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(*slba, 0, ns->id_ns.nsze); 349188eea45cSKlaus Jensen *slba = 0; 349288eea45cSKlaus Jensen return NVME_LBA_RANGE | NVME_DNR; 349388eea45cSKlaus Jensen } 349488eea45cSKlaus Jensen 349588eea45cSKlaus Jensen *zone_idx = nvme_zone_idx(ns, *slba); 349688eea45cSKlaus Jensen assert(*zone_idx < ns->num_zones); 349788eea45cSKlaus Jensen 349888eea45cSKlaus Jensen return NVME_SUCCESS; 349988eea45cSKlaus Jensen } 350088eea45cSKlaus Jensen 350188eea45cSKlaus Jensen typedef uint16_t (*op_handler_t)(NvmeNamespace *, NvmeZone *, NvmeZoneState, 350288eea45cSKlaus Jensen NvmeRequest *); 350388eea45cSKlaus Jensen 350488eea45cSKlaus Jensen enum NvmeZoneProcessingMask { 350588eea45cSKlaus Jensen NVME_PROC_CURRENT_ZONE = 0, 350688eea45cSKlaus Jensen NVME_PROC_OPENED_ZONES = 1 << 0, 350788eea45cSKlaus Jensen NVME_PROC_CLOSED_ZONES = 1 << 1, 350888eea45cSKlaus Jensen NVME_PROC_READ_ONLY_ZONES = 1 << 2, 350988eea45cSKlaus Jensen NVME_PROC_FULL_ZONES = 1 << 3, 351088eea45cSKlaus Jensen }; 351188eea45cSKlaus Jensen 351288eea45cSKlaus Jensen static uint16_t nvme_open_zone(NvmeNamespace *ns, NvmeZone *zone, 351388eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 351488eea45cSKlaus Jensen { 3515e321b4cdSKlaus Jensen NvmeZoneSendCmd *cmd = (NvmeZoneSendCmd *)&req->cmd; 3516e321b4cdSKlaus Jensen int flags = 0; 3517e321b4cdSKlaus Jensen 3518e321b4cdSKlaus Jensen if (cmd->zsflags & NVME_ZSFLAG_ZRWA_ALLOC) { 3519e321b4cdSKlaus Jensen uint16_t ozcs = le16_to_cpu(ns->id_ns_zoned->ozcs); 3520e321b4cdSKlaus Jensen 3521e321b4cdSKlaus Jensen if (!(ozcs & NVME_ID_NS_ZONED_OZCS_ZRWASUP)) { 3522e321b4cdSKlaus Jensen return NVME_INVALID_ZONE_OP | NVME_DNR; 3523e321b4cdSKlaus Jensen } 3524e321b4cdSKlaus Jensen 3525e321b4cdSKlaus Jensen if (zone->w_ptr % ns->zns.zrwafg) { 3526e321b4cdSKlaus Jensen return NVME_NOZRWA | NVME_DNR; 3527e321b4cdSKlaus Jensen } 3528e321b4cdSKlaus Jensen 3529e321b4cdSKlaus Jensen flags = NVME_ZRM_ZRWA; 3530e321b4cdSKlaus Jensen } 3531e321b4cdSKlaus Jensen 3532e321b4cdSKlaus Jensen return nvme_zrm_open_flags(nvme_ctrl(req), ns, zone, flags); 353388eea45cSKlaus Jensen } 353488eea45cSKlaus Jensen 353588eea45cSKlaus Jensen static uint16_t nvme_close_zone(NvmeNamespace *ns, NvmeZone *zone, 353688eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 353788eea45cSKlaus Jensen { 353888eea45cSKlaus Jensen return nvme_zrm_close(ns, zone); 353988eea45cSKlaus Jensen } 354088eea45cSKlaus Jensen 354188eea45cSKlaus Jensen static uint16_t nvme_finish_zone(NvmeNamespace *ns, NvmeZone *zone, 354288eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 354388eea45cSKlaus Jensen { 354488eea45cSKlaus Jensen return nvme_zrm_finish(ns, zone); 354588eea45cSKlaus Jensen } 354688eea45cSKlaus Jensen 354788eea45cSKlaus Jensen static uint16_t nvme_offline_zone(NvmeNamespace *ns, NvmeZone *zone, 354888eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 354988eea45cSKlaus Jensen { 355088eea45cSKlaus Jensen switch (state) { 355188eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 355288eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_OFFLINE); 355388eea45cSKlaus Jensen /* fall through */ 355488eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 355588eea45cSKlaus Jensen return NVME_SUCCESS; 355688eea45cSKlaus Jensen default: 355788eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 355888eea45cSKlaus Jensen } 355988eea45cSKlaus Jensen } 356088eea45cSKlaus Jensen 356188eea45cSKlaus Jensen static uint16_t nvme_set_zd_ext(NvmeNamespace *ns, NvmeZone *zone) 356288eea45cSKlaus Jensen { 356388eea45cSKlaus Jensen uint16_t status; 356488eea45cSKlaus Jensen uint8_t state = nvme_get_zone_state(zone); 356588eea45cSKlaus Jensen 356688eea45cSKlaus Jensen if (state == NVME_ZONE_STATE_EMPTY) { 356788eea45cSKlaus Jensen status = nvme_aor_check(ns, 1, 0); 356888eea45cSKlaus Jensen if (status) { 356988eea45cSKlaus Jensen return status; 357088eea45cSKlaus Jensen } 357188eea45cSKlaus Jensen nvme_aor_inc_active(ns); 357288eea45cSKlaus Jensen zone->d.za |= NVME_ZA_ZD_EXT_VALID; 357388eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_CLOSED); 357488eea45cSKlaus Jensen return NVME_SUCCESS; 357588eea45cSKlaus Jensen } 357688eea45cSKlaus Jensen 357788eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 357888eea45cSKlaus Jensen } 357988eea45cSKlaus Jensen 358088eea45cSKlaus Jensen static uint16_t nvme_bulk_proc_zone(NvmeNamespace *ns, NvmeZone *zone, 358188eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask, 358288eea45cSKlaus Jensen op_handler_t op_hndlr, NvmeRequest *req) 358388eea45cSKlaus Jensen { 358488eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 358588eea45cSKlaus Jensen NvmeZoneState zs = nvme_get_zone_state(zone); 358688eea45cSKlaus Jensen bool proc_zone; 358788eea45cSKlaus Jensen 358888eea45cSKlaus Jensen switch (zs) { 358988eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 359088eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 359188eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_OPENED_ZONES; 359288eea45cSKlaus Jensen break; 359388eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 359488eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_CLOSED_ZONES; 359588eea45cSKlaus Jensen break; 359688eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 359788eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_READ_ONLY_ZONES; 359888eea45cSKlaus Jensen break; 359988eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 360088eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_FULL_ZONES; 360188eea45cSKlaus Jensen break; 360288eea45cSKlaus Jensen default: 360388eea45cSKlaus Jensen proc_zone = false; 360488eea45cSKlaus Jensen } 360588eea45cSKlaus Jensen 360688eea45cSKlaus Jensen if (proc_zone) { 360788eea45cSKlaus Jensen status = op_hndlr(ns, zone, zs, req); 360888eea45cSKlaus Jensen } 360988eea45cSKlaus Jensen 361088eea45cSKlaus Jensen return status; 361188eea45cSKlaus Jensen } 361288eea45cSKlaus Jensen 361388eea45cSKlaus Jensen static uint16_t nvme_do_zone_op(NvmeNamespace *ns, NvmeZone *zone, 361488eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask, 361588eea45cSKlaus Jensen op_handler_t op_hndlr, NvmeRequest *req) 361688eea45cSKlaus Jensen { 361788eea45cSKlaus Jensen NvmeZone *next; 361888eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 361988eea45cSKlaus Jensen int i; 362088eea45cSKlaus Jensen 362188eea45cSKlaus Jensen if (!proc_mask) { 362288eea45cSKlaus Jensen status = op_hndlr(ns, zone, nvme_get_zone_state(zone), req); 362388eea45cSKlaus Jensen } else { 362488eea45cSKlaus Jensen if (proc_mask & NVME_PROC_CLOSED_ZONES) { 362588eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->closed_zones, entry, next) { 362688eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 362788eea45cSKlaus Jensen req); 362888eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 362988eea45cSKlaus Jensen goto out; 363088eea45cSKlaus Jensen } 363188eea45cSKlaus Jensen } 363288eea45cSKlaus Jensen } 363388eea45cSKlaus Jensen if (proc_mask & NVME_PROC_OPENED_ZONES) { 363488eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->imp_open_zones, entry, next) { 363588eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 363688eea45cSKlaus Jensen req); 363788eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 363888eea45cSKlaus Jensen goto out; 363988eea45cSKlaus Jensen } 364088eea45cSKlaus Jensen } 364188eea45cSKlaus Jensen 364288eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->exp_open_zones, entry, next) { 364388eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 364488eea45cSKlaus Jensen req); 364588eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 364688eea45cSKlaus Jensen goto out; 364788eea45cSKlaus Jensen } 364888eea45cSKlaus Jensen } 364988eea45cSKlaus Jensen } 365088eea45cSKlaus Jensen if (proc_mask & NVME_PROC_FULL_ZONES) { 365188eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->full_zones, entry, next) { 365288eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 365388eea45cSKlaus Jensen req); 365488eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 365588eea45cSKlaus Jensen goto out; 365688eea45cSKlaus Jensen } 365788eea45cSKlaus Jensen } 365888eea45cSKlaus Jensen } 365988eea45cSKlaus Jensen 366088eea45cSKlaus Jensen if (proc_mask & NVME_PROC_READ_ONLY_ZONES) { 366188eea45cSKlaus Jensen for (i = 0; i < ns->num_zones; i++, zone++) { 366288eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 366388eea45cSKlaus Jensen req); 366488eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 366588eea45cSKlaus Jensen goto out; 366688eea45cSKlaus Jensen } 366788eea45cSKlaus Jensen } 366888eea45cSKlaus Jensen } 366988eea45cSKlaus Jensen } 367088eea45cSKlaus Jensen 367188eea45cSKlaus Jensen out: 367288eea45cSKlaus Jensen return status; 367388eea45cSKlaus Jensen } 367488eea45cSKlaus Jensen 367563d96e4fSKlaus Jensen typedef struct NvmeZoneResetAIOCB { 367663d96e4fSKlaus Jensen BlockAIOCB common; 367763d96e4fSKlaus Jensen BlockAIOCB *aiocb; 367863d96e4fSKlaus Jensen NvmeRequest *req; 367963d96e4fSKlaus Jensen int ret; 368063d96e4fSKlaus Jensen 368163d96e4fSKlaus Jensen bool all; 368263d96e4fSKlaus Jensen int idx; 368363d96e4fSKlaus Jensen NvmeZone *zone; 368463d96e4fSKlaus Jensen } NvmeZoneResetAIOCB; 368563d96e4fSKlaus Jensen 368663d96e4fSKlaus Jensen static void nvme_zone_reset_cancel(BlockAIOCB *aiocb) 368763d96e4fSKlaus Jensen { 368863d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = container_of(aiocb, NvmeZoneResetAIOCB, common); 368963d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 369063d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 369163d96e4fSKlaus Jensen 369263d96e4fSKlaus Jensen iocb->idx = ns->num_zones; 369363d96e4fSKlaus Jensen 369463d96e4fSKlaus Jensen iocb->ret = -ECANCELED; 369563d96e4fSKlaus Jensen 369663d96e4fSKlaus Jensen if (iocb->aiocb) { 369763d96e4fSKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 369863d96e4fSKlaus Jensen iocb->aiocb = NULL; 369963d96e4fSKlaus Jensen } 370063d96e4fSKlaus Jensen } 370163d96e4fSKlaus Jensen 370263d96e4fSKlaus Jensen static const AIOCBInfo nvme_zone_reset_aiocb_info = { 370363d96e4fSKlaus Jensen .aiocb_size = sizeof(NvmeZoneResetAIOCB), 370463d96e4fSKlaus Jensen .cancel_async = nvme_zone_reset_cancel, 370563d96e4fSKlaus Jensen }; 370663d96e4fSKlaus Jensen 370763d96e4fSKlaus Jensen static void nvme_zone_reset_cb(void *opaque, int ret); 370863d96e4fSKlaus Jensen 370963d96e4fSKlaus Jensen static void nvme_zone_reset_epilogue_cb(void *opaque, int ret) 371063d96e4fSKlaus Jensen { 371163d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 371263d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 371363d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 371463d96e4fSKlaus Jensen int64_t moff; 371563d96e4fSKlaus Jensen int count; 371663d96e4fSKlaus Jensen 371736a251c3SKlaus Jensen if (ret < 0 || iocb->ret < 0 || !ns->lbaf.ms) { 371836a251c3SKlaus Jensen goto out; 371963d96e4fSKlaus Jensen } 372063d96e4fSKlaus Jensen 372163d96e4fSKlaus Jensen moff = nvme_moff(ns, iocb->zone->d.zslba); 372263d96e4fSKlaus Jensen count = nvme_m2b(ns, ns->zone_size); 372363d96e4fSKlaus Jensen 372463d96e4fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, moff, count, 372563d96e4fSKlaus Jensen BDRV_REQ_MAY_UNMAP, 372663d96e4fSKlaus Jensen nvme_zone_reset_cb, iocb); 372763d96e4fSKlaus Jensen return; 372836a251c3SKlaus Jensen 372936a251c3SKlaus Jensen out: 373036a251c3SKlaus Jensen nvme_zone_reset_cb(iocb, ret); 373163d96e4fSKlaus Jensen } 373263d96e4fSKlaus Jensen 373363d96e4fSKlaus Jensen static void nvme_zone_reset_cb(void *opaque, int ret) 373463d96e4fSKlaus Jensen { 373563d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 373663d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 373763d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 373863d96e4fSKlaus Jensen 373936a251c3SKlaus Jensen if (iocb->ret < 0) { 374036a251c3SKlaus Jensen goto done; 374136a251c3SKlaus Jensen } else if (ret < 0) { 374263d96e4fSKlaus Jensen iocb->ret = ret; 374363d96e4fSKlaus Jensen goto done; 374463d96e4fSKlaus Jensen } 374563d96e4fSKlaus Jensen 374663d96e4fSKlaus Jensen if (iocb->zone) { 374763d96e4fSKlaus Jensen nvme_zrm_reset(ns, iocb->zone); 374863d96e4fSKlaus Jensen 374963d96e4fSKlaus Jensen if (!iocb->all) { 375063d96e4fSKlaus Jensen goto done; 375163d96e4fSKlaus Jensen } 375263d96e4fSKlaus Jensen } 375363d96e4fSKlaus Jensen 375463d96e4fSKlaus Jensen while (iocb->idx < ns->num_zones) { 375563d96e4fSKlaus Jensen NvmeZone *zone = &ns->zone_array[iocb->idx++]; 375663d96e4fSKlaus Jensen 375763d96e4fSKlaus Jensen switch (nvme_get_zone_state(zone)) { 375863d96e4fSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 375963d96e4fSKlaus Jensen if (!iocb->all) { 376063d96e4fSKlaus Jensen goto done; 376163d96e4fSKlaus Jensen } 376263d96e4fSKlaus Jensen 376363d96e4fSKlaus Jensen continue; 376463d96e4fSKlaus Jensen 376563d96e4fSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 376663d96e4fSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 376763d96e4fSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 376863d96e4fSKlaus Jensen case NVME_ZONE_STATE_FULL: 376963d96e4fSKlaus Jensen iocb->zone = zone; 377063d96e4fSKlaus Jensen break; 377163d96e4fSKlaus Jensen 377263d96e4fSKlaus Jensen default: 377363d96e4fSKlaus Jensen continue; 377463d96e4fSKlaus Jensen } 377563d96e4fSKlaus Jensen 377663d96e4fSKlaus Jensen trace_pci_nvme_zns_zone_reset(zone->d.zslba); 377763d96e4fSKlaus Jensen 377863d96e4fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, 377963d96e4fSKlaus Jensen nvme_l2b(ns, zone->d.zslba), 378063d96e4fSKlaus Jensen nvme_l2b(ns, ns->zone_size), 378163d96e4fSKlaus Jensen BDRV_REQ_MAY_UNMAP, 378263d96e4fSKlaus Jensen nvme_zone_reset_epilogue_cb, 378363d96e4fSKlaus Jensen iocb); 378463d96e4fSKlaus Jensen return; 378563d96e4fSKlaus Jensen } 378663d96e4fSKlaus Jensen 378763d96e4fSKlaus Jensen done: 378863d96e4fSKlaus Jensen iocb->aiocb = NULL; 378936a251c3SKlaus Jensen 379036a251c3SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 379136a251c3SKlaus Jensen qemu_aio_unref(iocb); 379263d96e4fSKlaus Jensen } 379363d96e4fSKlaus Jensen 3794e321b4cdSKlaus Jensen static uint16_t nvme_zone_mgmt_send_zrwa_flush(NvmeCtrl *n, NvmeZone *zone, 3795e321b4cdSKlaus Jensen uint64_t elba, NvmeRequest *req) 3796e321b4cdSKlaus Jensen { 3797e321b4cdSKlaus Jensen NvmeNamespace *ns = req->ns; 3798e321b4cdSKlaus Jensen uint16_t ozcs = le16_to_cpu(ns->id_ns_zoned->ozcs); 3799e321b4cdSKlaus Jensen uint64_t wp = zone->d.wp; 3800e321b4cdSKlaus Jensen uint32_t nlb = elba - wp + 1; 3801e321b4cdSKlaus Jensen uint16_t status; 3802e321b4cdSKlaus Jensen 3803e321b4cdSKlaus Jensen 3804e321b4cdSKlaus Jensen if (!(ozcs & NVME_ID_NS_ZONED_OZCS_ZRWASUP)) { 3805e321b4cdSKlaus Jensen return NVME_INVALID_ZONE_OP | NVME_DNR; 3806e321b4cdSKlaus Jensen } 3807e321b4cdSKlaus Jensen 3808e321b4cdSKlaus Jensen if (!(zone->d.za & NVME_ZA_ZRWA_VALID)) { 3809e321b4cdSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 3810e321b4cdSKlaus Jensen } 3811e321b4cdSKlaus Jensen 3812e321b4cdSKlaus Jensen if (elba < wp || elba > wp + ns->zns.zrwas) { 3813e321b4cdSKlaus Jensen return NVME_ZONE_BOUNDARY_ERROR | NVME_DNR; 3814e321b4cdSKlaus Jensen } 3815e321b4cdSKlaus Jensen 3816e321b4cdSKlaus Jensen if (nlb % ns->zns.zrwafg) { 3817e321b4cdSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 3818e321b4cdSKlaus Jensen } 3819e321b4cdSKlaus Jensen 3820e321b4cdSKlaus Jensen status = nvme_zrm_auto(n, ns, zone); 3821e321b4cdSKlaus Jensen if (status) { 3822e321b4cdSKlaus Jensen return status; 3823e321b4cdSKlaus Jensen } 3824e321b4cdSKlaus Jensen 3825e321b4cdSKlaus Jensen zone->w_ptr += nlb; 3826e321b4cdSKlaus Jensen 3827e321b4cdSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlb); 3828e321b4cdSKlaus Jensen 3829e321b4cdSKlaus Jensen return NVME_SUCCESS; 3830e321b4cdSKlaus Jensen } 3831e321b4cdSKlaus Jensen 383288eea45cSKlaus Jensen static uint16_t nvme_zone_mgmt_send(NvmeCtrl *n, NvmeRequest *req) 383388eea45cSKlaus Jensen { 38346190d92fSKlaus Jensen NvmeZoneSendCmd *cmd = (NvmeZoneSendCmd *)&req->cmd; 383588eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 383688eea45cSKlaus Jensen NvmeZone *zone; 383763d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb; 383888eea45cSKlaus Jensen uint8_t *zd_ext; 383988eea45cSKlaus Jensen uint64_t slba = 0; 384088eea45cSKlaus Jensen uint32_t zone_idx = 0; 384188eea45cSKlaus Jensen uint16_t status; 38426190d92fSKlaus Jensen uint8_t action = cmd->zsa; 384388eea45cSKlaus Jensen bool all; 384488eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask = NVME_PROC_CURRENT_ZONE; 384588eea45cSKlaus Jensen 38466190d92fSKlaus Jensen all = cmd->zsflags & NVME_ZSFLAG_SELECT_ALL; 384788eea45cSKlaus Jensen 384888eea45cSKlaus Jensen req->status = NVME_SUCCESS; 384988eea45cSKlaus Jensen 385088eea45cSKlaus Jensen if (!all) { 38516190d92fSKlaus Jensen status = nvme_get_mgmt_zone_slba_idx(ns, &req->cmd, &slba, &zone_idx); 385288eea45cSKlaus Jensen if (status) { 385388eea45cSKlaus Jensen return status; 385488eea45cSKlaus Jensen } 385588eea45cSKlaus Jensen } 385688eea45cSKlaus Jensen 385788eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 3858e321b4cdSKlaus Jensen if (slba != zone->d.zslba && action != NVME_ZONE_ACTION_ZRWA_FLUSH) { 385988eea45cSKlaus Jensen trace_pci_nvme_err_unaligned_zone_cmd(action, slba, zone->d.zslba); 386088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 386188eea45cSKlaus Jensen } 386288eea45cSKlaus Jensen 386388eea45cSKlaus Jensen switch (action) { 386488eea45cSKlaus Jensen 386588eea45cSKlaus Jensen case NVME_ZONE_ACTION_OPEN: 386688eea45cSKlaus Jensen if (all) { 386788eea45cSKlaus Jensen proc_mask = NVME_PROC_CLOSED_ZONES; 386888eea45cSKlaus Jensen } 386988eea45cSKlaus Jensen trace_pci_nvme_open_zone(slba, zone_idx, all); 387088eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_open_zone, req); 387188eea45cSKlaus Jensen break; 387288eea45cSKlaus Jensen 387388eea45cSKlaus Jensen case NVME_ZONE_ACTION_CLOSE: 387488eea45cSKlaus Jensen if (all) { 387588eea45cSKlaus Jensen proc_mask = NVME_PROC_OPENED_ZONES; 387688eea45cSKlaus Jensen } 387788eea45cSKlaus Jensen trace_pci_nvme_close_zone(slba, zone_idx, all); 387888eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_close_zone, req); 387988eea45cSKlaus Jensen break; 388088eea45cSKlaus Jensen 388188eea45cSKlaus Jensen case NVME_ZONE_ACTION_FINISH: 388288eea45cSKlaus Jensen if (all) { 388388eea45cSKlaus Jensen proc_mask = NVME_PROC_OPENED_ZONES | NVME_PROC_CLOSED_ZONES; 388488eea45cSKlaus Jensen } 388588eea45cSKlaus Jensen trace_pci_nvme_finish_zone(slba, zone_idx, all); 388688eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_finish_zone, req); 388788eea45cSKlaus Jensen break; 388888eea45cSKlaus Jensen 388988eea45cSKlaus Jensen case NVME_ZONE_ACTION_RESET: 389088eea45cSKlaus Jensen trace_pci_nvme_reset_zone(slba, zone_idx, all); 389188eea45cSKlaus Jensen 389263d96e4fSKlaus Jensen iocb = blk_aio_get(&nvme_zone_reset_aiocb_info, ns->blkconf.blk, 389363d96e4fSKlaus Jensen nvme_misc_cb, req); 389488eea45cSKlaus Jensen 389563d96e4fSKlaus Jensen iocb->req = req; 389663d96e4fSKlaus Jensen iocb->ret = 0; 389763d96e4fSKlaus Jensen iocb->all = all; 389863d96e4fSKlaus Jensen iocb->idx = zone_idx; 389963d96e4fSKlaus Jensen iocb->zone = NULL; 390088eea45cSKlaus Jensen 390163d96e4fSKlaus Jensen req->aiocb = &iocb->common; 390263d96e4fSKlaus Jensen nvme_zone_reset_cb(iocb, 0); 390388eea45cSKlaus Jensen 390463d96e4fSKlaus Jensen return NVME_NO_COMPLETE; 390588eea45cSKlaus Jensen 390688eea45cSKlaus Jensen case NVME_ZONE_ACTION_OFFLINE: 390788eea45cSKlaus Jensen if (all) { 390888eea45cSKlaus Jensen proc_mask = NVME_PROC_READ_ONLY_ZONES; 390988eea45cSKlaus Jensen } 391088eea45cSKlaus Jensen trace_pci_nvme_offline_zone(slba, zone_idx, all); 391188eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_offline_zone, req); 391288eea45cSKlaus Jensen break; 391388eea45cSKlaus Jensen 391488eea45cSKlaus Jensen case NVME_ZONE_ACTION_SET_ZD_EXT: 391588eea45cSKlaus Jensen trace_pci_nvme_set_descriptor_extension(slba, zone_idx); 391688eea45cSKlaus Jensen if (all || !ns->params.zd_extension_size) { 391788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 391888eea45cSKlaus Jensen } 391988eea45cSKlaus Jensen zd_ext = nvme_get_zd_extension(ns, zone_idx); 392088eea45cSKlaus Jensen status = nvme_h2c(n, zd_ext, ns->params.zd_extension_size, req); 392188eea45cSKlaus Jensen if (status) { 392288eea45cSKlaus Jensen trace_pci_nvme_err_zd_extension_map_error(zone_idx); 392388eea45cSKlaus Jensen return status; 392488eea45cSKlaus Jensen } 392588eea45cSKlaus Jensen 392688eea45cSKlaus Jensen status = nvme_set_zd_ext(ns, zone); 392788eea45cSKlaus Jensen if (status == NVME_SUCCESS) { 392888eea45cSKlaus Jensen trace_pci_nvme_zd_extension_set(zone_idx); 392988eea45cSKlaus Jensen return status; 393088eea45cSKlaus Jensen } 393188eea45cSKlaus Jensen break; 393288eea45cSKlaus Jensen 3933e321b4cdSKlaus Jensen case NVME_ZONE_ACTION_ZRWA_FLUSH: 3934e321b4cdSKlaus Jensen if (all) { 3935e321b4cdSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 3936e321b4cdSKlaus Jensen } 3937e321b4cdSKlaus Jensen 3938e321b4cdSKlaus Jensen return nvme_zone_mgmt_send_zrwa_flush(n, zone, slba, req); 3939e321b4cdSKlaus Jensen 394088eea45cSKlaus Jensen default: 394188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_mgmt_action(action); 394288eea45cSKlaus Jensen status = NVME_INVALID_FIELD; 394388eea45cSKlaus Jensen } 394488eea45cSKlaus Jensen 394588eea45cSKlaus Jensen if (status == NVME_ZONE_INVAL_TRANSITION) { 394688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_zone_state_transition(action, slba, 394788eea45cSKlaus Jensen zone->d.za); 394888eea45cSKlaus Jensen } 394988eea45cSKlaus Jensen if (status) { 395088eea45cSKlaus Jensen status |= NVME_DNR; 395188eea45cSKlaus Jensen } 395288eea45cSKlaus Jensen 395388eea45cSKlaus Jensen return status; 395488eea45cSKlaus Jensen } 395588eea45cSKlaus Jensen 395688eea45cSKlaus Jensen static bool nvme_zone_matches_filter(uint32_t zafs, NvmeZone *zl) 395788eea45cSKlaus Jensen { 395888eea45cSKlaus Jensen NvmeZoneState zs = nvme_get_zone_state(zl); 395988eea45cSKlaus Jensen 396088eea45cSKlaus Jensen switch (zafs) { 396188eea45cSKlaus Jensen case NVME_ZONE_REPORT_ALL: 396288eea45cSKlaus Jensen return true; 396388eea45cSKlaus Jensen case NVME_ZONE_REPORT_EMPTY: 396488eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_EMPTY; 396588eea45cSKlaus Jensen case NVME_ZONE_REPORT_IMPLICITLY_OPEN: 396688eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_IMPLICITLY_OPEN; 396788eea45cSKlaus Jensen case NVME_ZONE_REPORT_EXPLICITLY_OPEN: 396888eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_EXPLICITLY_OPEN; 396988eea45cSKlaus Jensen case NVME_ZONE_REPORT_CLOSED: 397088eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_CLOSED; 397188eea45cSKlaus Jensen case NVME_ZONE_REPORT_FULL: 397288eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_FULL; 397388eea45cSKlaus Jensen case NVME_ZONE_REPORT_READ_ONLY: 397488eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_READ_ONLY; 397588eea45cSKlaus Jensen case NVME_ZONE_REPORT_OFFLINE: 397688eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_OFFLINE; 397788eea45cSKlaus Jensen default: 397888eea45cSKlaus Jensen return false; 397988eea45cSKlaus Jensen } 398088eea45cSKlaus Jensen } 398188eea45cSKlaus Jensen 398288eea45cSKlaus Jensen static uint16_t nvme_zone_mgmt_recv(NvmeCtrl *n, NvmeRequest *req) 398388eea45cSKlaus Jensen { 398488eea45cSKlaus Jensen NvmeCmd *cmd = (NvmeCmd *)&req->cmd; 398588eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 398688eea45cSKlaus Jensen /* cdw12 is zero-based number of dwords to return. Convert to bytes */ 398788eea45cSKlaus Jensen uint32_t data_size = (le32_to_cpu(cmd->cdw12) + 1) << 2; 398888eea45cSKlaus Jensen uint32_t dw13 = le32_to_cpu(cmd->cdw13); 398988eea45cSKlaus Jensen uint32_t zone_idx, zra, zrasf, partial; 399088eea45cSKlaus Jensen uint64_t max_zones, nr_zones = 0; 399188eea45cSKlaus Jensen uint16_t status; 399288eea45cSKlaus Jensen uint64_t slba; 399388eea45cSKlaus Jensen NvmeZoneDescr *z; 399488eea45cSKlaus Jensen NvmeZone *zone; 399588eea45cSKlaus Jensen NvmeZoneReportHeader *header; 399688eea45cSKlaus Jensen void *buf, *buf_p; 399788eea45cSKlaus Jensen size_t zone_entry_sz; 399888eea45cSKlaus Jensen int i; 399988eea45cSKlaus Jensen 400088eea45cSKlaus Jensen req->status = NVME_SUCCESS; 400188eea45cSKlaus Jensen 400288eea45cSKlaus Jensen status = nvme_get_mgmt_zone_slba_idx(ns, cmd, &slba, &zone_idx); 400388eea45cSKlaus Jensen if (status) { 400488eea45cSKlaus Jensen return status; 400588eea45cSKlaus Jensen } 400688eea45cSKlaus Jensen 400788eea45cSKlaus Jensen zra = dw13 & 0xff; 400888eea45cSKlaus Jensen if (zra != NVME_ZONE_REPORT && zra != NVME_ZONE_REPORT_EXTENDED) { 400988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 401088eea45cSKlaus Jensen } 401188eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED && !ns->params.zd_extension_size) { 401288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 401388eea45cSKlaus Jensen } 401488eea45cSKlaus Jensen 401588eea45cSKlaus Jensen zrasf = (dw13 >> 8) & 0xff; 401688eea45cSKlaus Jensen if (zrasf > NVME_ZONE_REPORT_OFFLINE) { 401788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 401888eea45cSKlaus Jensen } 401988eea45cSKlaus Jensen 402088eea45cSKlaus Jensen if (data_size < sizeof(NvmeZoneReportHeader)) { 402188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 402288eea45cSKlaus Jensen } 402388eea45cSKlaus Jensen 402488eea45cSKlaus Jensen status = nvme_check_mdts(n, data_size); 402588eea45cSKlaus Jensen if (status) { 402688eea45cSKlaus Jensen return status; 402788eea45cSKlaus Jensen } 402888eea45cSKlaus Jensen 402988eea45cSKlaus Jensen partial = (dw13 >> 16) & 0x01; 403088eea45cSKlaus Jensen 403188eea45cSKlaus Jensen zone_entry_sz = sizeof(NvmeZoneDescr); 403288eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED) { 403388eea45cSKlaus Jensen zone_entry_sz += ns->params.zd_extension_size; 403488eea45cSKlaus Jensen } 403588eea45cSKlaus Jensen 403688eea45cSKlaus Jensen max_zones = (data_size - sizeof(NvmeZoneReportHeader)) / zone_entry_sz; 403788eea45cSKlaus Jensen buf = g_malloc0(data_size); 403888eea45cSKlaus Jensen 403988eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 404088eea45cSKlaus Jensen for (i = zone_idx; i < ns->num_zones; i++) { 404188eea45cSKlaus Jensen if (partial && nr_zones >= max_zones) { 404288eea45cSKlaus Jensen break; 404388eea45cSKlaus Jensen } 404488eea45cSKlaus Jensen if (nvme_zone_matches_filter(zrasf, zone++)) { 404588eea45cSKlaus Jensen nr_zones++; 404688eea45cSKlaus Jensen } 404788eea45cSKlaus Jensen } 40483d558330SMarkus Armbruster header = buf; 404988eea45cSKlaus Jensen header->nr_zones = cpu_to_le64(nr_zones); 405088eea45cSKlaus Jensen 405188eea45cSKlaus Jensen buf_p = buf + sizeof(NvmeZoneReportHeader); 405288eea45cSKlaus Jensen for (; zone_idx < ns->num_zones && max_zones > 0; zone_idx++) { 405388eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 405488eea45cSKlaus Jensen if (nvme_zone_matches_filter(zrasf, zone)) { 40553d558330SMarkus Armbruster z = buf_p; 405688eea45cSKlaus Jensen buf_p += sizeof(NvmeZoneDescr); 405788eea45cSKlaus Jensen 405888eea45cSKlaus Jensen z->zt = zone->d.zt; 405988eea45cSKlaus Jensen z->zs = zone->d.zs; 406088eea45cSKlaus Jensen z->zcap = cpu_to_le64(zone->d.zcap); 406188eea45cSKlaus Jensen z->zslba = cpu_to_le64(zone->d.zslba); 406288eea45cSKlaus Jensen z->za = zone->d.za; 406388eea45cSKlaus Jensen 406488eea45cSKlaus Jensen if (nvme_wp_is_valid(zone)) { 406588eea45cSKlaus Jensen z->wp = cpu_to_le64(zone->d.wp); 406688eea45cSKlaus Jensen } else { 406788eea45cSKlaus Jensen z->wp = cpu_to_le64(~0ULL); 406888eea45cSKlaus Jensen } 406988eea45cSKlaus Jensen 407088eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED) { 407188eea45cSKlaus Jensen if (zone->d.za & NVME_ZA_ZD_EXT_VALID) { 407288eea45cSKlaus Jensen memcpy(buf_p, nvme_get_zd_extension(ns, zone_idx), 407388eea45cSKlaus Jensen ns->params.zd_extension_size); 407488eea45cSKlaus Jensen } 407588eea45cSKlaus Jensen buf_p += ns->params.zd_extension_size; 407688eea45cSKlaus Jensen } 407788eea45cSKlaus Jensen 407888eea45cSKlaus Jensen max_zones--; 407988eea45cSKlaus Jensen } 408088eea45cSKlaus Jensen } 408188eea45cSKlaus Jensen 408288eea45cSKlaus Jensen status = nvme_c2h(n, (uint8_t *)buf, data_size, req); 408388eea45cSKlaus Jensen 408488eea45cSKlaus Jensen g_free(buf); 408588eea45cSKlaus Jensen 408688eea45cSKlaus Jensen return status; 408788eea45cSKlaus Jensen } 408888eea45cSKlaus Jensen 408988eea45cSKlaus Jensen static uint16_t nvme_io_cmd(NvmeCtrl *n, NvmeRequest *req) 409088eea45cSKlaus Jensen { 409188eea45cSKlaus Jensen NvmeNamespace *ns; 409288eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 409388eea45cSKlaus Jensen 409488eea45cSKlaus Jensen trace_pci_nvme_io_cmd(nvme_cid(req), nsid, nvme_sqid(req), 409588eea45cSKlaus Jensen req->cmd.opcode, nvme_io_opc_str(req->cmd.opcode)); 409688eea45cSKlaus Jensen 409788eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 409888eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 409988eea45cSKlaus Jensen } 410088eea45cSKlaus Jensen 410188eea45cSKlaus Jensen /* 410288eea45cSKlaus Jensen * In the base NVM command set, Flush may apply to all namespaces 410388eea45cSKlaus Jensen * (indicated by NSID being set to FFFFFFFFh). But if that feature is used 410488eea45cSKlaus Jensen * along with TP 4056 (Namespace Types), it may be pretty screwed up. 410588eea45cSKlaus Jensen * 410688eea45cSKlaus Jensen * If NSID is indeed set to FFFFFFFFh, we simply cannot associate the 410788eea45cSKlaus Jensen * opcode with a specific command since we cannot determine a unique I/O 410888eea45cSKlaus Jensen * command set. Opcode 0h could have any other meaning than something 410988eea45cSKlaus Jensen * equivalent to flushing and say it DOES have completely different 411088eea45cSKlaus Jensen * semantics in some other command set - does an NSID of FFFFFFFFh then 411188eea45cSKlaus Jensen * mean "for all namespaces, apply whatever command set specific command 411288eea45cSKlaus Jensen * that uses the 0h opcode?" Or does it mean "for all namespaces, apply 411388eea45cSKlaus Jensen * whatever command that uses the 0h opcode if, and only if, it allows NSID 411488eea45cSKlaus Jensen * to be FFFFFFFFh"? 411588eea45cSKlaus Jensen * 411688eea45cSKlaus Jensen * Anyway (and luckily), for now, we do not care about this since the 411788eea45cSKlaus Jensen * device only supports namespace types that includes the NVM Flush command 411888eea45cSKlaus Jensen * (NVM and Zoned), so always do an NVM Flush. 411988eea45cSKlaus Jensen */ 412088eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_FLUSH) { 412188eea45cSKlaus Jensen return nvme_flush(n, req); 412288eea45cSKlaus Jensen } 412388eea45cSKlaus Jensen 412488eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 412588eea45cSKlaus Jensen if (unlikely(!ns)) { 412688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 412788eea45cSKlaus Jensen } 412888eea45cSKlaus Jensen 412988eea45cSKlaus Jensen if (!(ns->iocs[req->cmd.opcode] & NVME_CMD_EFF_CSUPP)) { 413088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_opc(req->cmd.opcode); 413188eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 413288eea45cSKlaus Jensen } 413388eea45cSKlaus Jensen 413488eea45cSKlaus Jensen if (ns->status) { 413588eea45cSKlaus Jensen return ns->status; 413688eea45cSKlaus Jensen } 413788eea45cSKlaus Jensen 4138c53a9a91SPankaj Raghav if (NVME_CMD_FLAGS_FUSE(req->cmd.flags)) { 4139c53a9a91SPankaj Raghav return NVME_INVALID_FIELD; 4140c53a9a91SPankaj Raghav } 4141c53a9a91SPankaj Raghav 414288eea45cSKlaus Jensen req->ns = ns; 414388eea45cSKlaus Jensen 414488eea45cSKlaus Jensen switch (req->cmd.opcode) { 414588eea45cSKlaus Jensen case NVME_CMD_WRITE_ZEROES: 414688eea45cSKlaus Jensen return nvme_write_zeroes(n, req); 414788eea45cSKlaus Jensen case NVME_CMD_ZONE_APPEND: 414888eea45cSKlaus Jensen return nvme_zone_append(n, req); 414988eea45cSKlaus Jensen case NVME_CMD_WRITE: 415088eea45cSKlaus Jensen return nvme_write(n, req); 415188eea45cSKlaus Jensen case NVME_CMD_READ: 415288eea45cSKlaus Jensen return nvme_read(n, req); 415388eea45cSKlaus Jensen case NVME_CMD_COMPARE: 415488eea45cSKlaus Jensen return nvme_compare(n, req); 415588eea45cSKlaus Jensen case NVME_CMD_DSM: 415688eea45cSKlaus Jensen return nvme_dsm(n, req); 415788eea45cSKlaus Jensen case NVME_CMD_VERIFY: 415888eea45cSKlaus Jensen return nvme_verify(n, req); 415988eea45cSKlaus Jensen case NVME_CMD_COPY: 416088eea45cSKlaus Jensen return nvme_copy(n, req); 416188eea45cSKlaus Jensen case NVME_CMD_ZONE_MGMT_SEND: 416288eea45cSKlaus Jensen return nvme_zone_mgmt_send(n, req); 416388eea45cSKlaus Jensen case NVME_CMD_ZONE_MGMT_RECV: 416488eea45cSKlaus Jensen return nvme_zone_mgmt_recv(n, req); 416588eea45cSKlaus Jensen default: 416688eea45cSKlaus Jensen assert(false); 416788eea45cSKlaus Jensen } 416888eea45cSKlaus Jensen 416988eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 417088eea45cSKlaus Jensen } 417188eea45cSKlaus Jensen 41722e53b0b4SJinhao Fan static void nvme_cq_notifier(EventNotifier *e) 41732e53b0b4SJinhao Fan { 41742e53b0b4SJinhao Fan NvmeCQueue *cq = container_of(e, NvmeCQueue, notifier); 41752e53b0b4SJinhao Fan NvmeCtrl *n = cq->ctrl; 41762e53b0b4SJinhao Fan 4177a2da7377SKlaus Jensen if (!event_notifier_test_and_clear(e)) { 4178a2da7377SKlaus Jensen return; 4179a2da7377SKlaus Jensen } 41802e53b0b4SJinhao Fan 41812e53b0b4SJinhao Fan nvme_update_cq_head(cq); 41822e53b0b4SJinhao Fan 41832e53b0b4SJinhao Fan if (cq->tail == cq->head) { 41842e53b0b4SJinhao Fan if (cq->irq_enabled) { 41852e53b0b4SJinhao Fan n->cq_pending--; 41862e53b0b4SJinhao Fan } 41872e53b0b4SJinhao Fan 41882e53b0b4SJinhao Fan nvme_irq_deassert(n, cq); 41892e53b0b4SJinhao Fan } 41902e53b0b4SJinhao Fan 4191d38cc6fdSKlaus Jensen qemu_bh_schedule(cq->bh); 41922e53b0b4SJinhao Fan } 41932e53b0b4SJinhao Fan 41942e53b0b4SJinhao Fan static int nvme_init_cq_ioeventfd(NvmeCQueue *cq) 41952e53b0b4SJinhao Fan { 41962e53b0b4SJinhao Fan NvmeCtrl *n = cq->ctrl; 41972e53b0b4SJinhao Fan uint16_t offset = (cq->cqid << 3) + (1 << 2); 41982e53b0b4SJinhao Fan int ret; 41992e53b0b4SJinhao Fan 42002e53b0b4SJinhao Fan ret = event_notifier_init(&cq->notifier, 0); 42012e53b0b4SJinhao Fan if (ret < 0) { 42022e53b0b4SJinhao Fan return ret; 42032e53b0b4SJinhao Fan } 42042e53b0b4SJinhao Fan 42052e53b0b4SJinhao Fan event_notifier_set_handler(&cq->notifier, nvme_cq_notifier); 42062e53b0b4SJinhao Fan memory_region_add_eventfd(&n->iomem, 42072e53b0b4SJinhao Fan 0x1000 + offset, 4, false, 0, &cq->notifier); 42082e53b0b4SJinhao Fan 42092e53b0b4SJinhao Fan return 0; 42102e53b0b4SJinhao Fan } 42112e53b0b4SJinhao Fan 42122e53b0b4SJinhao Fan static void nvme_sq_notifier(EventNotifier *e) 42132e53b0b4SJinhao Fan { 42142e53b0b4SJinhao Fan NvmeSQueue *sq = container_of(e, NvmeSQueue, notifier); 42152e53b0b4SJinhao Fan 4216a2da7377SKlaus Jensen if (!event_notifier_test_and_clear(e)) { 4217a2da7377SKlaus Jensen return; 4218a2da7377SKlaus Jensen } 42192e53b0b4SJinhao Fan 42202e53b0b4SJinhao Fan nvme_process_sq(sq); 42212e53b0b4SJinhao Fan } 42222e53b0b4SJinhao Fan 42232e53b0b4SJinhao Fan static int nvme_init_sq_ioeventfd(NvmeSQueue *sq) 42242e53b0b4SJinhao Fan { 42252e53b0b4SJinhao Fan NvmeCtrl *n = sq->ctrl; 42262e53b0b4SJinhao Fan uint16_t offset = sq->sqid << 3; 42272e53b0b4SJinhao Fan int ret; 42282e53b0b4SJinhao Fan 42292e53b0b4SJinhao Fan ret = event_notifier_init(&sq->notifier, 0); 42302e53b0b4SJinhao Fan if (ret < 0) { 42312e53b0b4SJinhao Fan return ret; 42322e53b0b4SJinhao Fan } 42332e53b0b4SJinhao Fan 42342e53b0b4SJinhao Fan event_notifier_set_handler(&sq->notifier, nvme_sq_notifier); 42352e53b0b4SJinhao Fan memory_region_add_eventfd(&n->iomem, 42362e53b0b4SJinhao Fan 0x1000 + offset, 4, false, 0, &sq->notifier); 42372e53b0b4SJinhao Fan 42382e53b0b4SJinhao Fan return 0; 42392e53b0b4SJinhao Fan } 42402e53b0b4SJinhao Fan 424188eea45cSKlaus Jensen static void nvme_free_sq(NvmeSQueue *sq, NvmeCtrl *n) 424288eea45cSKlaus Jensen { 42432e53b0b4SJinhao Fan uint16_t offset = sq->sqid << 3; 42442e53b0b4SJinhao Fan 424588eea45cSKlaus Jensen n->sq[sq->sqid] = NULL; 4246d38cc6fdSKlaus Jensen qemu_bh_delete(sq->bh); 42472e53b0b4SJinhao Fan if (sq->ioeventfd_enabled) { 42482e53b0b4SJinhao Fan memory_region_del_eventfd(&n->iomem, 42492e53b0b4SJinhao Fan 0x1000 + offset, 4, false, 0, &sq->notifier); 425004e8da88SKlaus Jensen event_notifier_set_handler(&sq->notifier, NULL); 42512e53b0b4SJinhao Fan event_notifier_cleanup(&sq->notifier); 42522e53b0b4SJinhao Fan } 425388eea45cSKlaus Jensen g_free(sq->io_req); 425488eea45cSKlaus Jensen if (sq->sqid) { 425588eea45cSKlaus Jensen g_free(sq); 425688eea45cSKlaus Jensen } 425788eea45cSKlaus Jensen } 425888eea45cSKlaus Jensen 425988eea45cSKlaus Jensen static uint16_t nvme_del_sq(NvmeCtrl *n, NvmeRequest *req) 426088eea45cSKlaus Jensen { 426188eea45cSKlaus Jensen NvmeDeleteQ *c = (NvmeDeleteQ *)&req->cmd; 426288eea45cSKlaus Jensen NvmeRequest *r, *next; 426388eea45cSKlaus Jensen NvmeSQueue *sq; 426488eea45cSKlaus Jensen NvmeCQueue *cq; 426588eea45cSKlaus Jensen uint16_t qid = le16_to_cpu(c->qid); 426688eea45cSKlaus Jensen 426788eea45cSKlaus Jensen if (unlikely(!qid || nvme_check_sqid(n, qid))) { 426888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_sq(qid); 426988eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 427088eea45cSKlaus Jensen } 427188eea45cSKlaus Jensen 427288eea45cSKlaus Jensen trace_pci_nvme_del_sq(qid); 427388eea45cSKlaus Jensen 427488eea45cSKlaus Jensen sq = n->sq[qid]; 427588eea45cSKlaus Jensen while (!QTAILQ_EMPTY(&sq->out_req_list)) { 427688eea45cSKlaus Jensen r = QTAILQ_FIRST(&sq->out_req_list); 4277e76fb260SKlaus Jensen assert(r->aiocb); 427888eea45cSKlaus Jensen blk_aio_cancel(r->aiocb); 427988eea45cSKlaus Jensen } 428088eea45cSKlaus Jensen 428188eea45cSKlaus Jensen assert(QTAILQ_EMPTY(&sq->out_req_list)); 428288eea45cSKlaus Jensen 428388eea45cSKlaus Jensen if (!nvme_check_cqid(n, sq->cqid)) { 428488eea45cSKlaus Jensen cq = n->cq[sq->cqid]; 428588eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->sq_list, sq, entry); 428688eea45cSKlaus Jensen 428788eea45cSKlaus Jensen nvme_post_cqes(cq); 428888eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(r, &cq->req_list, entry, next) { 428988eea45cSKlaus Jensen if (r->sq == sq) { 429088eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->req_list, r, entry); 429188eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->req_list, r, entry); 429288eea45cSKlaus Jensen } 429388eea45cSKlaus Jensen } 429488eea45cSKlaus Jensen } 429588eea45cSKlaus Jensen 429688eea45cSKlaus Jensen nvme_free_sq(sq, n); 429788eea45cSKlaus Jensen return NVME_SUCCESS; 429888eea45cSKlaus Jensen } 429988eea45cSKlaus Jensen 430088eea45cSKlaus Jensen static void nvme_init_sq(NvmeSQueue *sq, NvmeCtrl *n, uint64_t dma_addr, 430188eea45cSKlaus Jensen uint16_t sqid, uint16_t cqid, uint16_t size) 430288eea45cSKlaus Jensen { 430388eea45cSKlaus Jensen int i; 430488eea45cSKlaus Jensen NvmeCQueue *cq; 430588eea45cSKlaus Jensen 430688eea45cSKlaus Jensen sq->ctrl = n; 430788eea45cSKlaus Jensen sq->dma_addr = dma_addr; 430888eea45cSKlaus Jensen sq->sqid = sqid; 430988eea45cSKlaus Jensen sq->size = size; 431088eea45cSKlaus Jensen sq->cqid = cqid; 431188eea45cSKlaus Jensen sq->head = sq->tail = 0; 431288eea45cSKlaus Jensen sq->io_req = g_new0(NvmeRequest, sq->size); 431388eea45cSKlaus Jensen 431488eea45cSKlaus Jensen QTAILQ_INIT(&sq->req_list); 431588eea45cSKlaus Jensen QTAILQ_INIT(&sq->out_req_list); 431688eea45cSKlaus Jensen for (i = 0; i < sq->size; i++) { 431788eea45cSKlaus Jensen sq->io_req[i].sq = sq; 431888eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&(sq->req_list), &sq->io_req[i], entry); 431988eea45cSKlaus Jensen } 4320d38cc6fdSKlaus Jensen 4321d38cc6fdSKlaus Jensen sq->bh = qemu_bh_new(nvme_process_sq, sq); 432288eea45cSKlaus Jensen 43233f7fe8deSJinhao Fan if (n->dbbuf_enabled) { 43243f7fe8deSJinhao Fan sq->db_addr = n->dbbuf_dbs + (sqid << 3); 43253f7fe8deSJinhao Fan sq->ei_addr = n->dbbuf_eis + (sqid << 3); 43262e53b0b4SJinhao Fan 43272e53b0b4SJinhao Fan if (n->params.ioeventfd && sq->sqid != 0) { 43282e53b0b4SJinhao Fan if (!nvme_init_sq_ioeventfd(sq)) { 43292e53b0b4SJinhao Fan sq->ioeventfd_enabled = true; 43302e53b0b4SJinhao Fan } 43312e53b0b4SJinhao Fan } 43323f7fe8deSJinhao Fan } 43333f7fe8deSJinhao Fan 433488eea45cSKlaus Jensen assert(n->cq[cqid]); 433588eea45cSKlaus Jensen cq = n->cq[cqid]; 433688eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&(cq->sq_list), sq, entry); 433788eea45cSKlaus Jensen n->sq[sqid] = sq; 433888eea45cSKlaus Jensen } 433988eea45cSKlaus Jensen 434088eea45cSKlaus Jensen static uint16_t nvme_create_sq(NvmeCtrl *n, NvmeRequest *req) 434188eea45cSKlaus Jensen { 434288eea45cSKlaus Jensen NvmeSQueue *sq; 434388eea45cSKlaus Jensen NvmeCreateSq *c = (NvmeCreateSq *)&req->cmd; 434488eea45cSKlaus Jensen 434588eea45cSKlaus Jensen uint16_t cqid = le16_to_cpu(c->cqid); 434688eea45cSKlaus Jensen uint16_t sqid = le16_to_cpu(c->sqid); 434788eea45cSKlaus Jensen uint16_t qsize = le16_to_cpu(c->qsize); 434888eea45cSKlaus Jensen uint16_t qflags = le16_to_cpu(c->sq_flags); 434988eea45cSKlaus Jensen uint64_t prp1 = le64_to_cpu(c->prp1); 435088eea45cSKlaus Jensen 435188eea45cSKlaus Jensen trace_pci_nvme_create_sq(prp1, sqid, cqid, qsize, qflags); 435288eea45cSKlaus Jensen 435388eea45cSKlaus Jensen if (unlikely(!cqid || nvme_check_cqid(n, cqid))) { 435488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_cqid(cqid); 435588eea45cSKlaus Jensen return NVME_INVALID_CQID | NVME_DNR; 435688eea45cSKlaus Jensen } 4357decc0261SŁukasz Gieryk if (unlikely(!sqid || sqid > n->conf_ioqpairs || n->sq[sqid] != NULL)) { 435888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_sqid(sqid); 435988eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 436088eea45cSKlaus Jensen } 436149e03457SKlaus Jensen if (unlikely(!qsize || qsize > NVME_CAP_MQES(ldq_le_p(&n->bar.cap)))) { 436288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_size(qsize); 436388eea45cSKlaus Jensen return NVME_MAX_QSIZE_EXCEEDED | NVME_DNR; 436488eea45cSKlaus Jensen } 436588eea45cSKlaus Jensen if (unlikely(prp1 & (n->page_size - 1))) { 436688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_addr(prp1); 436788eea45cSKlaus Jensen return NVME_INVALID_PRP_OFFSET | NVME_DNR; 436888eea45cSKlaus Jensen } 436988eea45cSKlaus Jensen if (unlikely(!(NVME_SQ_FLAGS_PC(qflags)))) { 437088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_qflags(NVME_SQ_FLAGS_PC(qflags)); 437188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 437288eea45cSKlaus Jensen } 437388eea45cSKlaus Jensen sq = g_malloc0(sizeof(*sq)); 437488eea45cSKlaus Jensen nvme_init_sq(sq, n, prp1, sqid, cqid, qsize + 1); 437588eea45cSKlaus Jensen return NVME_SUCCESS; 437688eea45cSKlaus Jensen } 437788eea45cSKlaus Jensen 437888eea45cSKlaus Jensen struct nvme_stats { 437988eea45cSKlaus Jensen uint64_t units_read; 438088eea45cSKlaus Jensen uint64_t units_written; 438188eea45cSKlaus Jensen uint64_t read_commands; 438288eea45cSKlaus Jensen uint64_t write_commands; 438388eea45cSKlaus Jensen }; 438488eea45cSKlaus Jensen 438588eea45cSKlaus Jensen static void nvme_set_blk_stats(NvmeNamespace *ns, struct nvme_stats *stats) 438688eea45cSKlaus Jensen { 438788eea45cSKlaus Jensen BlockAcctStats *s = blk_get_stats(ns->blkconf.blk); 438888eea45cSKlaus Jensen 438988eea45cSKlaus Jensen stats->units_read += s->nr_bytes[BLOCK_ACCT_READ] >> BDRV_SECTOR_BITS; 439088eea45cSKlaus Jensen stats->units_written += s->nr_bytes[BLOCK_ACCT_WRITE] >> BDRV_SECTOR_BITS; 439188eea45cSKlaus Jensen stats->read_commands += s->nr_ops[BLOCK_ACCT_READ]; 439288eea45cSKlaus Jensen stats->write_commands += s->nr_ops[BLOCK_ACCT_WRITE]; 439388eea45cSKlaus Jensen } 439488eea45cSKlaus Jensen 439588eea45cSKlaus Jensen static uint16_t nvme_smart_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 439688eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 439788eea45cSKlaus Jensen { 439888eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 439988eea45cSKlaus Jensen struct nvme_stats stats = { 0 }; 440088eea45cSKlaus Jensen NvmeSmartLog smart = { 0 }; 440188eea45cSKlaus Jensen uint32_t trans_len; 440288eea45cSKlaus Jensen NvmeNamespace *ns; 440388eea45cSKlaus Jensen time_t current_ms; 440488eea45cSKlaus Jensen 440588eea45cSKlaus Jensen if (off >= sizeof(smart)) { 440688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 440788eea45cSKlaus Jensen } 440888eea45cSKlaus Jensen 440988eea45cSKlaus Jensen if (nsid != 0xffffffff) { 441088eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 441188eea45cSKlaus Jensen if (!ns) { 441288eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 441388eea45cSKlaus Jensen } 441488eea45cSKlaus Jensen nvme_set_blk_stats(ns, &stats); 441588eea45cSKlaus Jensen } else { 441688eea45cSKlaus Jensen int i; 441788eea45cSKlaus Jensen 441888eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 441988eea45cSKlaus Jensen ns = nvme_ns(n, i); 442088eea45cSKlaus Jensen if (!ns) { 442188eea45cSKlaus Jensen continue; 442288eea45cSKlaus Jensen } 442388eea45cSKlaus Jensen nvme_set_blk_stats(ns, &stats); 442488eea45cSKlaus Jensen } 442588eea45cSKlaus Jensen } 442688eea45cSKlaus Jensen 442788eea45cSKlaus Jensen trans_len = MIN(sizeof(smart) - off, buf_len); 442888eea45cSKlaus Jensen smart.critical_warning = n->smart_critical_warning; 442988eea45cSKlaus Jensen 443088eea45cSKlaus Jensen smart.data_units_read[0] = cpu_to_le64(DIV_ROUND_UP(stats.units_read, 443188eea45cSKlaus Jensen 1000)); 443288eea45cSKlaus Jensen smart.data_units_written[0] = cpu_to_le64(DIV_ROUND_UP(stats.units_written, 443388eea45cSKlaus Jensen 1000)); 443488eea45cSKlaus Jensen smart.host_read_commands[0] = cpu_to_le64(stats.read_commands); 443588eea45cSKlaus Jensen smart.host_write_commands[0] = cpu_to_le64(stats.write_commands); 443688eea45cSKlaus Jensen 443788eea45cSKlaus Jensen smart.temperature = cpu_to_le16(n->temperature); 443888eea45cSKlaus Jensen 443988eea45cSKlaus Jensen if ((n->temperature >= n->features.temp_thresh_hi) || 444088eea45cSKlaus Jensen (n->temperature <= n->features.temp_thresh_low)) { 444188eea45cSKlaus Jensen smart.critical_warning |= NVME_SMART_TEMPERATURE; 444288eea45cSKlaus Jensen } 444388eea45cSKlaus Jensen 444488eea45cSKlaus Jensen current_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 444588eea45cSKlaus Jensen smart.power_on_hours[0] = 444688eea45cSKlaus Jensen cpu_to_le64((((current_ms - n->starttime_ms) / 1000) / 60) / 60); 444788eea45cSKlaus Jensen 444888eea45cSKlaus Jensen if (!rae) { 444988eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_SMART); 445088eea45cSKlaus Jensen } 445188eea45cSKlaus Jensen 445288eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *) &smart + off, trans_len, req); 445388eea45cSKlaus Jensen } 445488eea45cSKlaus Jensen 445588eea45cSKlaus Jensen static uint16_t nvme_fw_log_info(NvmeCtrl *n, uint32_t buf_len, uint64_t off, 445688eea45cSKlaus Jensen NvmeRequest *req) 445788eea45cSKlaus Jensen { 445888eea45cSKlaus Jensen uint32_t trans_len; 445988eea45cSKlaus Jensen NvmeFwSlotInfoLog fw_log = { 446088eea45cSKlaus Jensen .afi = 0x1, 446188eea45cSKlaus Jensen }; 446288eea45cSKlaus Jensen 446388eea45cSKlaus Jensen if (off >= sizeof(fw_log)) { 446488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 446588eea45cSKlaus Jensen } 446688eea45cSKlaus Jensen 446788eea45cSKlaus Jensen strpadcpy((char *)&fw_log.frs1, sizeof(fw_log.frs1), "1.0", ' '); 446888eea45cSKlaus Jensen trans_len = MIN(sizeof(fw_log) - off, buf_len); 446988eea45cSKlaus Jensen 447088eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *) &fw_log + off, trans_len, req); 447188eea45cSKlaus Jensen } 447288eea45cSKlaus Jensen 447388eea45cSKlaus Jensen static uint16_t nvme_error_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 447488eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 447588eea45cSKlaus Jensen { 447688eea45cSKlaus Jensen uint32_t trans_len; 447788eea45cSKlaus Jensen NvmeErrorLog errlog; 447888eea45cSKlaus Jensen 447988eea45cSKlaus Jensen if (off >= sizeof(errlog)) { 448088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 448188eea45cSKlaus Jensen } 448288eea45cSKlaus Jensen 448388eea45cSKlaus Jensen if (!rae) { 448488eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_ERROR); 448588eea45cSKlaus Jensen } 448688eea45cSKlaus Jensen 448788eea45cSKlaus Jensen memset(&errlog, 0x0, sizeof(errlog)); 448888eea45cSKlaus Jensen trans_len = MIN(sizeof(errlog) - off, buf_len); 448988eea45cSKlaus Jensen 449088eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&errlog, trans_len, req); 449188eea45cSKlaus Jensen } 449288eea45cSKlaus Jensen 449388eea45cSKlaus Jensen static uint16_t nvme_changed_nslist(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 449488eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 449588eea45cSKlaus Jensen { 449688eea45cSKlaus Jensen uint32_t nslist[1024]; 449788eea45cSKlaus Jensen uint32_t trans_len; 449888eea45cSKlaus Jensen int i = 0; 449988eea45cSKlaus Jensen uint32_t nsid; 450088eea45cSKlaus Jensen 4501e2c57529SKlaus Jensen if (off >= sizeof(nslist)) { 4502e2c57529SKlaus Jensen trace_pci_nvme_err_invalid_log_page_offset(off, sizeof(nslist)); 4503e2c57529SKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 4504e2c57529SKlaus Jensen } 4505e2c57529SKlaus Jensen 450688eea45cSKlaus Jensen memset(nslist, 0x0, sizeof(nslist)); 450788eea45cSKlaus Jensen trans_len = MIN(sizeof(nslist) - off, buf_len); 450888eea45cSKlaus Jensen 450988eea45cSKlaus Jensen while ((nsid = find_first_bit(n->changed_nsids, NVME_CHANGED_NSID_SIZE)) != 451088eea45cSKlaus Jensen NVME_CHANGED_NSID_SIZE) { 451188eea45cSKlaus Jensen /* 451288eea45cSKlaus Jensen * If more than 1024 namespaces, the first entry in the log page should 451388eea45cSKlaus Jensen * be set to FFFFFFFFh and the others to 0 as spec. 451488eea45cSKlaus Jensen */ 451588eea45cSKlaus Jensen if (i == ARRAY_SIZE(nslist)) { 451688eea45cSKlaus Jensen memset(nslist, 0x0, sizeof(nslist)); 451788eea45cSKlaus Jensen nslist[0] = 0xffffffff; 451888eea45cSKlaus Jensen break; 451988eea45cSKlaus Jensen } 452088eea45cSKlaus Jensen 452188eea45cSKlaus Jensen nslist[i++] = nsid; 452288eea45cSKlaus Jensen clear_bit(nsid, n->changed_nsids); 452388eea45cSKlaus Jensen } 452488eea45cSKlaus Jensen 452588eea45cSKlaus Jensen /* 452688eea45cSKlaus Jensen * Remove all the remaining list entries in case returns directly due to 452788eea45cSKlaus Jensen * more than 1024 namespaces. 452888eea45cSKlaus Jensen */ 452988eea45cSKlaus Jensen if (nslist[0] == 0xffffffff) { 453088eea45cSKlaus Jensen bitmap_zero(n->changed_nsids, NVME_CHANGED_NSID_SIZE); 453188eea45cSKlaus Jensen } 453288eea45cSKlaus Jensen 453388eea45cSKlaus Jensen if (!rae) { 453488eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_NOTICE); 453588eea45cSKlaus Jensen } 453688eea45cSKlaus Jensen 453788eea45cSKlaus Jensen return nvme_c2h(n, ((uint8_t *)nslist) + off, trans_len, req); 453888eea45cSKlaus Jensen } 453988eea45cSKlaus Jensen 454088eea45cSKlaus Jensen static uint16_t nvme_cmd_effects(NvmeCtrl *n, uint8_t csi, uint32_t buf_len, 454188eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 454288eea45cSKlaus Jensen { 454388eea45cSKlaus Jensen NvmeEffectsLog log = {}; 454488eea45cSKlaus Jensen const uint32_t *src_iocs = NULL; 454588eea45cSKlaus Jensen uint32_t trans_len; 454688eea45cSKlaus Jensen 454788eea45cSKlaus Jensen if (off >= sizeof(log)) { 454888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_log_page_offset(off, sizeof(log)); 454988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 455088eea45cSKlaus Jensen } 455188eea45cSKlaus Jensen 455249e03457SKlaus Jensen switch (NVME_CC_CSS(ldl_le_p(&n->bar.cc))) { 455388eea45cSKlaus Jensen case NVME_CC_CSS_NVM: 455488eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_nvm; 455588eea45cSKlaus Jensen /* fall through */ 455688eea45cSKlaus Jensen case NVME_CC_CSS_ADMIN_ONLY: 455788eea45cSKlaus Jensen break; 455888eea45cSKlaus Jensen case NVME_CC_CSS_CSI: 455988eea45cSKlaus Jensen switch (csi) { 456088eea45cSKlaus Jensen case NVME_CSI_NVM: 456188eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_nvm; 456288eea45cSKlaus Jensen break; 456388eea45cSKlaus Jensen case NVME_CSI_ZONED: 456488eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_zoned; 456588eea45cSKlaus Jensen break; 456688eea45cSKlaus Jensen } 456788eea45cSKlaus Jensen } 456888eea45cSKlaus Jensen 456988eea45cSKlaus Jensen memcpy(log.acs, nvme_cse_acs, sizeof(nvme_cse_acs)); 457088eea45cSKlaus Jensen 457188eea45cSKlaus Jensen if (src_iocs) { 457288eea45cSKlaus Jensen memcpy(log.iocs, src_iocs, sizeof(log.iocs)); 457388eea45cSKlaus Jensen } 457488eea45cSKlaus Jensen 457588eea45cSKlaus Jensen trans_len = MIN(sizeof(log) - off, buf_len); 457688eea45cSKlaus Jensen 457788eea45cSKlaus Jensen return nvme_c2h(n, ((uint8_t *)&log) + off, trans_len, req); 457888eea45cSKlaus Jensen } 457988eea45cSKlaus Jensen 458088eea45cSKlaus Jensen static uint16_t nvme_get_log(NvmeCtrl *n, NvmeRequest *req) 458188eea45cSKlaus Jensen { 458288eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 458388eea45cSKlaus Jensen 458488eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 458588eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 458688eea45cSKlaus Jensen uint32_t dw12 = le32_to_cpu(cmd->cdw12); 458788eea45cSKlaus Jensen uint32_t dw13 = le32_to_cpu(cmd->cdw13); 458888eea45cSKlaus Jensen uint8_t lid = dw10 & 0xff; 458988eea45cSKlaus Jensen uint8_t lsp = (dw10 >> 8) & 0xf; 459088eea45cSKlaus Jensen uint8_t rae = (dw10 >> 15) & 0x1; 459188eea45cSKlaus Jensen uint8_t csi = le32_to_cpu(cmd->cdw14) >> 24; 459288eea45cSKlaus Jensen uint32_t numdl, numdu; 459388eea45cSKlaus Jensen uint64_t off, lpol, lpou; 459488eea45cSKlaus Jensen size_t len; 459588eea45cSKlaus Jensen uint16_t status; 459688eea45cSKlaus Jensen 459788eea45cSKlaus Jensen numdl = (dw10 >> 16); 459888eea45cSKlaus Jensen numdu = (dw11 & 0xffff); 459988eea45cSKlaus Jensen lpol = dw12; 460088eea45cSKlaus Jensen lpou = dw13; 460188eea45cSKlaus Jensen 460288eea45cSKlaus Jensen len = (((numdu << 16) | numdl) + 1) << 2; 460388eea45cSKlaus Jensen off = (lpou << 32ULL) | lpol; 460488eea45cSKlaus Jensen 460588eea45cSKlaus Jensen if (off & 0x3) { 460688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 460788eea45cSKlaus Jensen } 460888eea45cSKlaus Jensen 460988eea45cSKlaus Jensen trace_pci_nvme_get_log(nvme_cid(req), lid, lsp, rae, len, off); 461088eea45cSKlaus Jensen 461188eea45cSKlaus Jensen status = nvme_check_mdts(n, len); 461288eea45cSKlaus Jensen if (status) { 461388eea45cSKlaus Jensen return status; 461488eea45cSKlaus Jensen } 461588eea45cSKlaus Jensen 461688eea45cSKlaus Jensen switch (lid) { 461788eea45cSKlaus Jensen case NVME_LOG_ERROR_INFO: 461888eea45cSKlaus Jensen return nvme_error_info(n, rae, len, off, req); 461988eea45cSKlaus Jensen case NVME_LOG_SMART_INFO: 462088eea45cSKlaus Jensen return nvme_smart_info(n, rae, len, off, req); 462188eea45cSKlaus Jensen case NVME_LOG_FW_SLOT_INFO: 462288eea45cSKlaus Jensen return nvme_fw_log_info(n, len, off, req); 462388eea45cSKlaus Jensen case NVME_LOG_CHANGED_NSLIST: 462488eea45cSKlaus Jensen return nvme_changed_nslist(n, rae, len, off, req); 462588eea45cSKlaus Jensen case NVME_LOG_CMD_EFFECTS: 462688eea45cSKlaus Jensen return nvme_cmd_effects(n, csi, len, off, req); 462788eea45cSKlaus Jensen default: 462888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_log_page(nvme_cid(req), lid); 462988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 463088eea45cSKlaus Jensen } 463188eea45cSKlaus Jensen } 463288eea45cSKlaus Jensen 463388eea45cSKlaus Jensen static void nvme_free_cq(NvmeCQueue *cq, NvmeCtrl *n) 463488eea45cSKlaus Jensen { 463548b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 46362e53b0b4SJinhao Fan uint16_t offset = (cq->cqid << 3) + (1 << 2); 46372e53b0b4SJinhao Fan 463888eea45cSKlaus Jensen n->cq[cq->cqid] = NULL; 4639d38cc6fdSKlaus Jensen qemu_bh_delete(cq->bh); 46402e53b0b4SJinhao Fan if (cq->ioeventfd_enabled) { 46412e53b0b4SJinhao Fan memory_region_del_eventfd(&n->iomem, 46422e53b0b4SJinhao Fan 0x1000 + offset, 4, false, 0, &cq->notifier); 464304e8da88SKlaus Jensen event_notifier_set_handler(&cq->notifier, NULL); 46442e53b0b4SJinhao Fan event_notifier_cleanup(&cq->notifier); 46452e53b0b4SJinhao Fan } 464648b32c28SKlaus Jensen if (msix_enabled(pci)) { 464748b32c28SKlaus Jensen msix_vector_unuse(pci, cq->vector); 464888eea45cSKlaus Jensen } 464988eea45cSKlaus Jensen if (cq->cqid) { 465088eea45cSKlaus Jensen g_free(cq); 465188eea45cSKlaus Jensen } 465288eea45cSKlaus Jensen } 465388eea45cSKlaus Jensen 465488eea45cSKlaus Jensen static uint16_t nvme_del_cq(NvmeCtrl *n, NvmeRequest *req) 465588eea45cSKlaus Jensen { 465688eea45cSKlaus Jensen NvmeDeleteQ *c = (NvmeDeleteQ *)&req->cmd; 465788eea45cSKlaus Jensen NvmeCQueue *cq; 465888eea45cSKlaus Jensen uint16_t qid = le16_to_cpu(c->qid); 465988eea45cSKlaus Jensen 466088eea45cSKlaus Jensen if (unlikely(!qid || nvme_check_cqid(n, qid))) { 466188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_cq_cqid(qid); 466288eea45cSKlaus Jensen return NVME_INVALID_CQID | NVME_DNR; 466388eea45cSKlaus Jensen } 466488eea45cSKlaus Jensen 466588eea45cSKlaus Jensen cq = n->cq[qid]; 466688eea45cSKlaus Jensen if (unlikely(!QTAILQ_EMPTY(&cq->sq_list))) { 466788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_cq_notempty(qid); 466888eea45cSKlaus Jensen return NVME_INVALID_QUEUE_DEL; 466988eea45cSKlaus Jensen } 467083d7ed5cSKlaus Jensen 467183d7ed5cSKlaus Jensen if (cq->irq_enabled && cq->tail != cq->head) { 467283d7ed5cSKlaus Jensen n->cq_pending--; 467383d7ed5cSKlaus Jensen } 467483d7ed5cSKlaus Jensen 467588eea45cSKlaus Jensen nvme_irq_deassert(n, cq); 467688eea45cSKlaus Jensen trace_pci_nvme_del_cq(qid); 467788eea45cSKlaus Jensen nvme_free_cq(cq, n); 467888eea45cSKlaus Jensen return NVME_SUCCESS; 467988eea45cSKlaus Jensen } 468088eea45cSKlaus Jensen 468188eea45cSKlaus Jensen static void nvme_init_cq(NvmeCQueue *cq, NvmeCtrl *n, uint64_t dma_addr, 468288eea45cSKlaus Jensen uint16_t cqid, uint16_t vector, uint16_t size, 468388eea45cSKlaus Jensen uint16_t irq_enabled) 468488eea45cSKlaus Jensen { 468548b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 468648b32c28SKlaus Jensen 468748b32c28SKlaus Jensen if (msix_enabled(pci)) { 468848b32c28SKlaus Jensen msix_vector_use(pci, vector); 468988eea45cSKlaus Jensen } 469088eea45cSKlaus Jensen cq->ctrl = n; 469188eea45cSKlaus Jensen cq->cqid = cqid; 469288eea45cSKlaus Jensen cq->size = size; 469388eea45cSKlaus Jensen cq->dma_addr = dma_addr; 469488eea45cSKlaus Jensen cq->phase = 1; 469588eea45cSKlaus Jensen cq->irq_enabled = irq_enabled; 469688eea45cSKlaus Jensen cq->vector = vector; 469788eea45cSKlaus Jensen cq->head = cq->tail = 0; 469888eea45cSKlaus Jensen QTAILQ_INIT(&cq->req_list); 469988eea45cSKlaus Jensen QTAILQ_INIT(&cq->sq_list); 47003f7fe8deSJinhao Fan if (n->dbbuf_enabled) { 47013f7fe8deSJinhao Fan cq->db_addr = n->dbbuf_dbs + (cqid << 3) + (1 << 2); 47023f7fe8deSJinhao Fan cq->ei_addr = n->dbbuf_eis + (cqid << 3) + (1 << 2); 47032e53b0b4SJinhao Fan 47042e53b0b4SJinhao Fan if (n->params.ioeventfd && cqid != 0) { 47052e53b0b4SJinhao Fan if (!nvme_init_cq_ioeventfd(cq)) { 47062e53b0b4SJinhao Fan cq->ioeventfd_enabled = true; 47072e53b0b4SJinhao Fan } 47082e53b0b4SJinhao Fan } 47093f7fe8deSJinhao Fan } 471088eea45cSKlaus Jensen n->cq[cqid] = cq; 4711d38cc6fdSKlaus Jensen cq->bh = qemu_bh_new(nvme_post_cqes, cq); 471288eea45cSKlaus Jensen } 471388eea45cSKlaus Jensen 471488eea45cSKlaus Jensen static uint16_t nvme_create_cq(NvmeCtrl *n, NvmeRequest *req) 471588eea45cSKlaus Jensen { 471688eea45cSKlaus Jensen NvmeCQueue *cq; 471788eea45cSKlaus Jensen NvmeCreateCq *c = (NvmeCreateCq *)&req->cmd; 471888eea45cSKlaus Jensen uint16_t cqid = le16_to_cpu(c->cqid); 471988eea45cSKlaus Jensen uint16_t vector = le16_to_cpu(c->irq_vector); 472088eea45cSKlaus Jensen uint16_t qsize = le16_to_cpu(c->qsize); 472188eea45cSKlaus Jensen uint16_t qflags = le16_to_cpu(c->cq_flags); 472288eea45cSKlaus Jensen uint64_t prp1 = le64_to_cpu(c->prp1); 472388eea45cSKlaus Jensen 472488eea45cSKlaus Jensen trace_pci_nvme_create_cq(prp1, cqid, vector, qsize, qflags, 472588eea45cSKlaus Jensen NVME_CQ_FLAGS_IEN(qflags) != 0); 472688eea45cSKlaus Jensen 4727decc0261SŁukasz Gieryk if (unlikely(!cqid || cqid > n->conf_ioqpairs || n->cq[cqid] != NULL)) { 472888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_cqid(cqid); 472988eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 473088eea45cSKlaus Jensen } 473149e03457SKlaus Jensen if (unlikely(!qsize || qsize > NVME_CAP_MQES(ldq_le_p(&n->bar.cap)))) { 473288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_size(qsize); 473388eea45cSKlaus Jensen return NVME_MAX_QSIZE_EXCEEDED | NVME_DNR; 473488eea45cSKlaus Jensen } 473588eea45cSKlaus Jensen if (unlikely(prp1 & (n->page_size - 1))) { 473688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_addr(prp1); 473788eea45cSKlaus Jensen return NVME_INVALID_PRP_OFFSET | NVME_DNR; 473888eea45cSKlaus Jensen } 473948b32c28SKlaus Jensen if (unlikely(!msix_enabled(PCI_DEVICE(n)) && vector)) { 474088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_vector(vector); 474188eea45cSKlaus Jensen return NVME_INVALID_IRQ_VECTOR | NVME_DNR; 474288eea45cSKlaus Jensen } 4743decc0261SŁukasz Gieryk if (unlikely(vector >= n->conf_msix_qsize)) { 474488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_vector(vector); 474588eea45cSKlaus Jensen return NVME_INVALID_IRQ_VECTOR | NVME_DNR; 474688eea45cSKlaus Jensen } 474788eea45cSKlaus Jensen if (unlikely(!(NVME_CQ_FLAGS_PC(qflags)))) { 474888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_qflags(NVME_CQ_FLAGS_PC(qflags)); 474988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 475088eea45cSKlaus Jensen } 475188eea45cSKlaus Jensen 475288eea45cSKlaus Jensen cq = g_malloc0(sizeof(*cq)); 475388eea45cSKlaus Jensen nvme_init_cq(cq, n, prp1, cqid, vector, qsize + 1, 475488eea45cSKlaus Jensen NVME_CQ_FLAGS_IEN(qflags)); 475588eea45cSKlaus Jensen 475688eea45cSKlaus Jensen /* 475788eea45cSKlaus Jensen * It is only required to set qs_created when creating a completion queue; 475888eea45cSKlaus Jensen * creating a submission queue without a matching completion queue will 475988eea45cSKlaus Jensen * fail. 476088eea45cSKlaus Jensen */ 476188eea45cSKlaus Jensen n->qs_created = true; 476288eea45cSKlaus Jensen return NVME_SUCCESS; 476388eea45cSKlaus Jensen } 476488eea45cSKlaus Jensen 476588eea45cSKlaus Jensen static uint16_t nvme_rpt_empty_id_struct(NvmeCtrl *n, NvmeRequest *req) 476688eea45cSKlaus Jensen { 476788eea45cSKlaus Jensen uint8_t id[NVME_IDENTIFY_DATA_SIZE] = {}; 476888eea45cSKlaus Jensen 476988eea45cSKlaus Jensen return nvme_c2h(n, id, sizeof(id), req); 477088eea45cSKlaus Jensen } 477188eea45cSKlaus Jensen 477288eea45cSKlaus Jensen static uint16_t nvme_identify_ctrl(NvmeCtrl *n, NvmeRequest *req) 477388eea45cSKlaus Jensen { 477488eea45cSKlaus Jensen trace_pci_nvme_identify_ctrl(); 477588eea45cSKlaus Jensen 477688eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&n->id_ctrl, sizeof(n->id_ctrl), req); 477788eea45cSKlaus Jensen } 477888eea45cSKlaus Jensen 477988eea45cSKlaus Jensen static uint16_t nvme_identify_ctrl_csi(NvmeCtrl *n, NvmeRequest *req) 478088eea45cSKlaus Jensen { 478188eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 478288eea45cSKlaus Jensen uint8_t id[NVME_IDENTIFY_DATA_SIZE] = {}; 478388eea45cSKlaus Jensen NvmeIdCtrlNvm *id_nvm = (NvmeIdCtrlNvm *)&id; 478488eea45cSKlaus Jensen 478588eea45cSKlaus Jensen trace_pci_nvme_identify_ctrl_csi(c->csi); 478688eea45cSKlaus Jensen 478788eea45cSKlaus Jensen switch (c->csi) { 478888eea45cSKlaus Jensen case NVME_CSI_NVM: 478988eea45cSKlaus Jensen id_nvm->vsl = n->params.vsl; 479088eea45cSKlaus Jensen id_nvm->dmrsl = cpu_to_le32(n->dmrsl); 479188eea45cSKlaus Jensen break; 479288eea45cSKlaus Jensen 479388eea45cSKlaus Jensen case NVME_CSI_ZONED: 479488eea45cSKlaus Jensen ((NvmeIdCtrlZoned *)&id)->zasl = n->params.zasl; 479588eea45cSKlaus Jensen break; 479688eea45cSKlaus Jensen 479788eea45cSKlaus Jensen default: 479888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 479988eea45cSKlaus Jensen } 480088eea45cSKlaus Jensen 480188eea45cSKlaus Jensen return nvme_c2h(n, id, sizeof(id), req); 480288eea45cSKlaus Jensen } 480388eea45cSKlaus Jensen 480488eea45cSKlaus Jensen static uint16_t nvme_identify_ns(NvmeCtrl *n, NvmeRequest *req, bool active) 480588eea45cSKlaus Jensen { 480688eea45cSKlaus Jensen NvmeNamespace *ns; 480788eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 480888eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 480988eea45cSKlaus Jensen 481088eea45cSKlaus Jensen trace_pci_nvme_identify_ns(nsid); 481188eea45cSKlaus Jensen 481288eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 481388eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 481488eea45cSKlaus Jensen } 481588eea45cSKlaus Jensen 481688eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 481788eea45cSKlaus Jensen if (unlikely(!ns)) { 481888eea45cSKlaus Jensen if (!active) { 481988eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 482088eea45cSKlaus Jensen if (!ns) { 482188eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 482288eea45cSKlaus Jensen } 482388eea45cSKlaus Jensen } else { 482488eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 482588eea45cSKlaus Jensen } 482688eea45cSKlaus Jensen } 482788eea45cSKlaus Jensen 48283553c48fSGollu Appalanaidu if (active || ns->csi == NVME_CSI_NVM) { 482988eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&ns->id_ns, sizeof(NvmeIdNs), req); 483088eea45cSKlaus Jensen } 483188eea45cSKlaus Jensen 483288eea45cSKlaus Jensen return NVME_INVALID_CMD_SET | NVME_DNR; 483388eea45cSKlaus Jensen } 483488eea45cSKlaus Jensen 48355f4eb94dSGollu Appalanaidu static uint16_t nvme_identify_ctrl_list(NvmeCtrl *n, NvmeRequest *req, 48365f4eb94dSGollu Appalanaidu bool attached) 483788eea45cSKlaus Jensen { 483888eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 48395f4eb94dSGollu Appalanaidu uint32_t nsid = le32_to_cpu(c->nsid); 484088eea45cSKlaus Jensen uint16_t min_id = le16_to_cpu(c->ctrlid); 484188eea45cSKlaus Jensen uint16_t list[NVME_CONTROLLER_LIST_SIZE] = {}; 484288eea45cSKlaus Jensen uint16_t *ids = &list[1]; 484388eea45cSKlaus Jensen NvmeNamespace *ns; 484488eea45cSKlaus Jensen NvmeCtrl *ctrl; 484588eea45cSKlaus Jensen int cntlid, nr_ids = 0; 484688eea45cSKlaus Jensen 48475f4eb94dSGollu Appalanaidu trace_pci_nvme_identify_ctrl_list(c->cns, min_id); 484888eea45cSKlaus Jensen 48495f4eb94dSGollu Appalanaidu if (!n->subsys) { 485088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 485188eea45cSKlaus Jensen } 485288eea45cSKlaus Jensen 48535f4eb94dSGollu Appalanaidu if (attached) { 48545f4eb94dSGollu Appalanaidu if (nsid == NVME_NSID_BROADCAST) { 48555f4eb94dSGollu Appalanaidu return NVME_INVALID_FIELD | NVME_DNR; 48565f4eb94dSGollu Appalanaidu } 48575f4eb94dSGollu Appalanaidu 48585f4eb94dSGollu Appalanaidu ns = nvme_subsys_ns(n->subsys, nsid); 485988eea45cSKlaus Jensen if (!ns) { 486088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 486188eea45cSKlaus Jensen } 48625f4eb94dSGollu Appalanaidu } 486388eea45cSKlaus Jensen 486488eea45cSKlaus Jensen for (cntlid = min_id; cntlid < ARRAY_SIZE(n->subsys->ctrls); cntlid++) { 486588eea45cSKlaus Jensen ctrl = nvme_subsys_ctrl(n->subsys, cntlid); 486688eea45cSKlaus Jensen if (!ctrl) { 486788eea45cSKlaus Jensen continue; 486888eea45cSKlaus Jensen } 486988eea45cSKlaus Jensen 48705f4eb94dSGollu Appalanaidu if (attached && !nvme_ns(ctrl, nsid)) { 487188eea45cSKlaus Jensen continue; 487288eea45cSKlaus Jensen } 487388eea45cSKlaus Jensen 487488eea45cSKlaus Jensen ids[nr_ids++] = cntlid; 487588eea45cSKlaus Jensen } 487688eea45cSKlaus Jensen 487788eea45cSKlaus Jensen list[0] = nr_ids; 487888eea45cSKlaus Jensen 487988eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)list, sizeof(list), req); 488088eea45cSKlaus Jensen } 488188eea45cSKlaus Jensen 48825e6f963fSLukasz Maniak static uint16_t nvme_identify_pri_ctrl_cap(NvmeCtrl *n, NvmeRequest *req) 48835e6f963fSLukasz Maniak { 48845e6f963fSLukasz Maniak trace_pci_nvme_identify_pri_ctrl_cap(le16_to_cpu(n->pri_ctrl_cap.cntlid)); 48855e6f963fSLukasz Maniak 48865e6f963fSLukasz Maniak return nvme_c2h(n, (uint8_t *)&n->pri_ctrl_cap, 48875e6f963fSLukasz Maniak sizeof(NvmePriCtrlCap), req); 48885e6f963fSLukasz Maniak } 48895e6f963fSLukasz Maniak 489099f48ae7SLukasz Maniak static uint16_t nvme_identify_sec_ctrl_list(NvmeCtrl *n, NvmeRequest *req) 489199f48ae7SLukasz Maniak { 489299f48ae7SLukasz Maniak NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 489399f48ae7SLukasz Maniak uint16_t pri_ctrl_id = le16_to_cpu(n->pri_ctrl_cap.cntlid); 489499f48ae7SLukasz Maniak uint16_t min_id = le16_to_cpu(c->ctrlid); 489599f48ae7SLukasz Maniak uint8_t num_sec_ctrl = n->sec_ctrl_list.numcntl; 489699f48ae7SLukasz Maniak NvmeSecCtrlList list = {0}; 489799f48ae7SLukasz Maniak uint8_t i; 489899f48ae7SLukasz Maniak 489999f48ae7SLukasz Maniak for (i = 0; i < num_sec_ctrl; i++) { 490099f48ae7SLukasz Maniak if (n->sec_ctrl_list.sec[i].scid >= min_id) { 490199f48ae7SLukasz Maniak list.numcntl = num_sec_ctrl - i; 490299f48ae7SLukasz Maniak memcpy(&list.sec, n->sec_ctrl_list.sec + i, 490399f48ae7SLukasz Maniak list.numcntl * sizeof(NvmeSecCtrlEntry)); 490499f48ae7SLukasz Maniak break; 490599f48ae7SLukasz Maniak } 490699f48ae7SLukasz Maniak } 490799f48ae7SLukasz Maniak 490899f48ae7SLukasz Maniak trace_pci_nvme_identify_sec_ctrl_list(pri_ctrl_id, list.numcntl); 490999f48ae7SLukasz Maniak 491099f48ae7SLukasz Maniak return nvme_c2h(n, (uint8_t *)&list, sizeof(list), req); 491199f48ae7SLukasz Maniak } 491299f48ae7SLukasz Maniak 491388eea45cSKlaus Jensen static uint16_t nvme_identify_ns_csi(NvmeCtrl *n, NvmeRequest *req, 491488eea45cSKlaus Jensen bool active) 491588eea45cSKlaus Jensen { 491688eea45cSKlaus Jensen NvmeNamespace *ns; 491788eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 491888eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 491988eea45cSKlaus Jensen 492088eea45cSKlaus Jensen trace_pci_nvme_identify_ns_csi(nsid, c->csi); 492188eea45cSKlaus Jensen 492288eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 492388eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 492488eea45cSKlaus Jensen } 492588eea45cSKlaus Jensen 492688eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 492788eea45cSKlaus Jensen if (unlikely(!ns)) { 492888eea45cSKlaus Jensen if (!active) { 492988eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 493088eea45cSKlaus Jensen if (!ns) { 493188eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 493288eea45cSKlaus Jensen } 493388eea45cSKlaus Jensen } else { 493488eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 493588eea45cSKlaus Jensen } 493688eea45cSKlaus Jensen } 493788eea45cSKlaus Jensen 49383553c48fSGollu Appalanaidu if (c->csi == NVME_CSI_NVM) { 493944219b60SNaveen Nagar return nvme_c2h(n, (uint8_t *)&ns->id_ns_nvm, sizeof(NvmeIdNsNvm), 494044219b60SNaveen Nagar req); 494188eea45cSKlaus Jensen } else if (c->csi == NVME_CSI_ZONED && ns->csi == NVME_CSI_ZONED) { 494288eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)ns->id_ns_zoned, sizeof(NvmeIdNsZoned), 494388eea45cSKlaus Jensen req); 494488eea45cSKlaus Jensen } 494588eea45cSKlaus Jensen 494688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 494788eea45cSKlaus Jensen } 494888eea45cSKlaus Jensen 494988eea45cSKlaus Jensen static uint16_t nvme_identify_nslist(NvmeCtrl *n, NvmeRequest *req, 495088eea45cSKlaus Jensen bool active) 495188eea45cSKlaus Jensen { 495288eea45cSKlaus Jensen NvmeNamespace *ns; 495388eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 495488eea45cSKlaus Jensen uint32_t min_nsid = le32_to_cpu(c->nsid); 495588eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 495688eea45cSKlaus Jensen static const int data_len = sizeof(list); 495788eea45cSKlaus Jensen uint32_t *list_ptr = (uint32_t *)list; 495888eea45cSKlaus Jensen int i, j = 0; 495988eea45cSKlaus Jensen 496088eea45cSKlaus Jensen trace_pci_nvme_identify_nslist(min_nsid); 496188eea45cSKlaus Jensen 496288eea45cSKlaus Jensen /* 496388eea45cSKlaus Jensen * Both FFFFFFFFh (NVME_NSID_BROADCAST) and FFFFFFFFEh are invalid values 496488eea45cSKlaus Jensen * since the Active Namespace ID List should return namespaces with ids 496588eea45cSKlaus Jensen * *higher* than the NSID specified in the command. This is also specified 496688eea45cSKlaus Jensen * in the spec (NVM Express v1.3d, Section 5.15.4). 496788eea45cSKlaus Jensen */ 496888eea45cSKlaus Jensen if (min_nsid >= NVME_NSID_BROADCAST - 1) { 496988eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 497088eea45cSKlaus Jensen } 497188eea45cSKlaus Jensen 497288eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 497388eea45cSKlaus Jensen ns = nvme_ns(n, i); 497488eea45cSKlaus Jensen if (!ns) { 497588eea45cSKlaus Jensen if (!active) { 497688eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, i); 497788eea45cSKlaus Jensen if (!ns) { 497888eea45cSKlaus Jensen continue; 497988eea45cSKlaus Jensen } 498088eea45cSKlaus Jensen } else { 498188eea45cSKlaus Jensen continue; 498288eea45cSKlaus Jensen } 498388eea45cSKlaus Jensen } 498488eea45cSKlaus Jensen if (ns->params.nsid <= min_nsid) { 498588eea45cSKlaus Jensen continue; 498688eea45cSKlaus Jensen } 498788eea45cSKlaus Jensen list_ptr[j++] = cpu_to_le32(ns->params.nsid); 498888eea45cSKlaus Jensen if (j == data_len / sizeof(uint32_t)) { 498988eea45cSKlaus Jensen break; 499088eea45cSKlaus Jensen } 499188eea45cSKlaus Jensen } 499288eea45cSKlaus Jensen 499388eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 499488eea45cSKlaus Jensen } 499588eea45cSKlaus Jensen 499688eea45cSKlaus Jensen static uint16_t nvme_identify_nslist_csi(NvmeCtrl *n, NvmeRequest *req, 499788eea45cSKlaus Jensen bool active) 499888eea45cSKlaus Jensen { 499988eea45cSKlaus Jensen NvmeNamespace *ns; 500088eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 500188eea45cSKlaus Jensen uint32_t min_nsid = le32_to_cpu(c->nsid); 500288eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 500388eea45cSKlaus Jensen static const int data_len = sizeof(list); 500488eea45cSKlaus Jensen uint32_t *list_ptr = (uint32_t *)list; 500588eea45cSKlaus Jensen int i, j = 0; 500688eea45cSKlaus Jensen 500788eea45cSKlaus Jensen trace_pci_nvme_identify_nslist_csi(min_nsid, c->csi); 500888eea45cSKlaus Jensen 500988eea45cSKlaus Jensen /* 501088eea45cSKlaus Jensen * Same as in nvme_identify_nslist(), FFFFFFFFh/FFFFFFFFEh are invalid. 501188eea45cSKlaus Jensen */ 501288eea45cSKlaus Jensen if (min_nsid >= NVME_NSID_BROADCAST - 1) { 501388eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 501488eea45cSKlaus Jensen } 501588eea45cSKlaus Jensen 501688eea45cSKlaus Jensen if (c->csi != NVME_CSI_NVM && c->csi != NVME_CSI_ZONED) { 501788eea45cSKlaus Jensen return NVME_INVALID_FIELD | 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 || c->csi != ns->csi) { 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_ns_descr_list(NvmeCtrl *n, NvmeRequest *req) 504588eea45cSKlaus Jensen { 504688eea45cSKlaus Jensen NvmeNamespace *ns; 504788eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 504888eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 504988eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 50506870cfb8SHeinrich Schuchardt uint8_t *pos = list; 505188eea45cSKlaus Jensen struct { 505288eea45cSKlaus Jensen NvmeIdNsDescr hdr; 505388eea45cSKlaus Jensen uint8_t v[NVME_NIDL_UUID]; 50545f4884c4SKlaus Jensen } QEMU_PACKED uuid = {}; 50556870cfb8SHeinrich Schuchardt struct { 50566870cfb8SHeinrich Schuchardt NvmeIdNsDescr hdr; 50576870cfb8SHeinrich Schuchardt uint64_t v; 50585f4884c4SKlaus Jensen } QEMU_PACKED eui64 = {}; 505988eea45cSKlaus Jensen struct { 506088eea45cSKlaus Jensen NvmeIdNsDescr hdr; 506188eea45cSKlaus Jensen uint8_t v; 50625f4884c4SKlaus Jensen } QEMU_PACKED csi = {}; 506388eea45cSKlaus Jensen 506488eea45cSKlaus Jensen trace_pci_nvme_identify_ns_descr_list(nsid); 506588eea45cSKlaus Jensen 506688eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 506788eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 506888eea45cSKlaus Jensen } 506988eea45cSKlaus Jensen 507088eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 507188eea45cSKlaus Jensen if (unlikely(!ns)) { 507288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 507388eea45cSKlaus Jensen } 507488eea45cSKlaus Jensen 50759f2e1acfSKlaus Jensen if (!qemu_uuid_is_null(&ns->params.uuid)) { 50766870cfb8SHeinrich Schuchardt uuid.hdr.nidt = NVME_NIDT_UUID; 50776870cfb8SHeinrich Schuchardt uuid.hdr.nidl = NVME_NIDL_UUID; 50786870cfb8SHeinrich Schuchardt memcpy(uuid.v, ns->params.uuid.data, NVME_NIDL_UUID); 50796870cfb8SHeinrich Schuchardt memcpy(pos, &uuid, sizeof(uuid)); 50806870cfb8SHeinrich Schuchardt pos += sizeof(uuid); 50819f2e1acfSKlaus Jensen } 508288eea45cSKlaus Jensen 50836870cfb8SHeinrich Schuchardt if (ns->params.eui64) { 50846870cfb8SHeinrich Schuchardt eui64.hdr.nidt = NVME_NIDT_EUI64; 50856870cfb8SHeinrich Schuchardt eui64.hdr.nidl = NVME_NIDL_EUI64; 50866870cfb8SHeinrich Schuchardt eui64.v = cpu_to_be64(ns->params.eui64); 50876870cfb8SHeinrich Schuchardt memcpy(pos, &eui64, sizeof(eui64)); 50886870cfb8SHeinrich Schuchardt pos += sizeof(eui64); 50896870cfb8SHeinrich Schuchardt } 50906870cfb8SHeinrich Schuchardt 50916870cfb8SHeinrich Schuchardt csi.hdr.nidt = NVME_NIDT_CSI; 50926870cfb8SHeinrich Schuchardt csi.hdr.nidl = NVME_NIDL_CSI; 50936870cfb8SHeinrich Schuchardt csi.v = ns->csi; 50946870cfb8SHeinrich Schuchardt memcpy(pos, &csi, sizeof(csi)); 50956870cfb8SHeinrich Schuchardt pos += sizeof(csi); 509688eea45cSKlaus Jensen 509788eea45cSKlaus Jensen return nvme_c2h(n, list, sizeof(list), req); 509888eea45cSKlaus Jensen } 509988eea45cSKlaus Jensen 510088eea45cSKlaus Jensen static uint16_t nvme_identify_cmd_set(NvmeCtrl *n, NvmeRequest *req) 510188eea45cSKlaus Jensen { 510288eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 510388eea45cSKlaus Jensen static const int data_len = sizeof(list); 510488eea45cSKlaus Jensen 510588eea45cSKlaus Jensen trace_pci_nvme_identify_cmd_set(); 510688eea45cSKlaus Jensen 510788eea45cSKlaus Jensen NVME_SET_CSI(*list, NVME_CSI_NVM); 510888eea45cSKlaus Jensen NVME_SET_CSI(*list, NVME_CSI_ZONED); 510988eea45cSKlaus Jensen 511088eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 511188eea45cSKlaus Jensen } 511288eea45cSKlaus Jensen 511388eea45cSKlaus Jensen static uint16_t nvme_identify(NvmeCtrl *n, NvmeRequest *req) 511488eea45cSKlaus Jensen { 511588eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 511688eea45cSKlaus Jensen 511788eea45cSKlaus Jensen trace_pci_nvme_identify(nvme_cid(req), c->cns, le16_to_cpu(c->ctrlid), 511888eea45cSKlaus Jensen c->csi); 511988eea45cSKlaus Jensen 512088eea45cSKlaus Jensen switch (c->cns) { 512188eea45cSKlaus Jensen case NVME_ID_CNS_NS: 512288eea45cSKlaus Jensen return nvme_identify_ns(n, req, true); 512388eea45cSKlaus Jensen case NVME_ID_CNS_NS_PRESENT: 512488eea45cSKlaus Jensen return nvme_identify_ns(n, req, false); 512588eea45cSKlaus Jensen case NVME_ID_CNS_NS_ATTACHED_CTRL_LIST: 51265f4eb94dSGollu Appalanaidu return nvme_identify_ctrl_list(n, req, true); 51275f4eb94dSGollu Appalanaidu case NVME_ID_CNS_CTRL_LIST: 51285f4eb94dSGollu Appalanaidu return nvme_identify_ctrl_list(n, req, false); 51295e6f963fSLukasz Maniak case NVME_ID_CNS_PRIMARY_CTRL_CAP: 51305e6f963fSLukasz Maniak return nvme_identify_pri_ctrl_cap(n, req); 513199f48ae7SLukasz Maniak case NVME_ID_CNS_SECONDARY_CTRL_LIST: 513299f48ae7SLukasz Maniak return nvme_identify_sec_ctrl_list(n, req); 513388eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS: 513488eea45cSKlaus Jensen return nvme_identify_ns_csi(n, req, true); 513588eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_PRESENT: 513688eea45cSKlaus Jensen return nvme_identify_ns_csi(n, req, false); 513788eea45cSKlaus Jensen case NVME_ID_CNS_CTRL: 513888eea45cSKlaus Jensen return nvme_identify_ctrl(n, req); 513988eea45cSKlaus Jensen case NVME_ID_CNS_CS_CTRL: 514088eea45cSKlaus Jensen return nvme_identify_ctrl_csi(n, req); 514188eea45cSKlaus Jensen case NVME_ID_CNS_NS_ACTIVE_LIST: 514288eea45cSKlaus Jensen return nvme_identify_nslist(n, req, true); 514388eea45cSKlaus Jensen case NVME_ID_CNS_NS_PRESENT_LIST: 514488eea45cSKlaus Jensen return nvme_identify_nslist(n, req, false); 514588eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_ACTIVE_LIST: 514688eea45cSKlaus Jensen return nvme_identify_nslist_csi(n, req, true); 514788eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_PRESENT_LIST: 514888eea45cSKlaus Jensen return nvme_identify_nslist_csi(n, req, false); 514988eea45cSKlaus Jensen case NVME_ID_CNS_NS_DESCR_LIST: 515088eea45cSKlaus Jensen return nvme_identify_ns_descr_list(n, req); 515188eea45cSKlaus Jensen case NVME_ID_CNS_IO_COMMAND_SET: 515288eea45cSKlaus Jensen return nvme_identify_cmd_set(n, req); 515388eea45cSKlaus Jensen default: 515488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_identify_cns(le32_to_cpu(c->cns)); 515588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 515688eea45cSKlaus Jensen } 515788eea45cSKlaus Jensen } 515888eea45cSKlaus Jensen 515988eea45cSKlaus Jensen static uint16_t nvme_abort(NvmeCtrl *n, NvmeRequest *req) 516088eea45cSKlaus Jensen { 516188eea45cSKlaus Jensen uint16_t sqid = le32_to_cpu(req->cmd.cdw10) & 0xffff; 516288eea45cSKlaus Jensen 516388eea45cSKlaus Jensen req->cqe.result = 1; 516488eea45cSKlaus Jensen if (nvme_check_sqid(n, sqid)) { 516588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 516688eea45cSKlaus Jensen } 516788eea45cSKlaus Jensen 516888eea45cSKlaus Jensen return NVME_SUCCESS; 516988eea45cSKlaus Jensen } 517088eea45cSKlaus Jensen 517188eea45cSKlaus Jensen static inline void nvme_set_timestamp(NvmeCtrl *n, uint64_t ts) 517288eea45cSKlaus Jensen { 517388eea45cSKlaus Jensen trace_pci_nvme_setfeat_timestamp(ts); 517488eea45cSKlaus Jensen 517588eea45cSKlaus Jensen n->host_timestamp = le64_to_cpu(ts); 517688eea45cSKlaus Jensen n->timestamp_set_qemu_clock_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 517788eea45cSKlaus Jensen } 517888eea45cSKlaus Jensen 517988eea45cSKlaus Jensen static inline uint64_t nvme_get_timestamp(const NvmeCtrl *n) 518088eea45cSKlaus Jensen { 518188eea45cSKlaus Jensen uint64_t current_time = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 518288eea45cSKlaus Jensen uint64_t elapsed_time = current_time - n->timestamp_set_qemu_clock_ms; 518388eea45cSKlaus Jensen 518488eea45cSKlaus Jensen union nvme_timestamp { 518588eea45cSKlaus Jensen struct { 518688eea45cSKlaus Jensen uint64_t timestamp:48; 518788eea45cSKlaus Jensen uint64_t sync:1; 518888eea45cSKlaus Jensen uint64_t origin:3; 518988eea45cSKlaus Jensen uint64_t rsvd1:12; 519088eea45cSKlaus Jensen }; 519188eea45cSKlaus Jensen uint64_t all; 519288eea45cSKlaus Jensen }; 519388eea45cSKlaus Jensen 519488eea45cSKlaus Jensen union nvme_timestamp ts; 519588eea45cSKlaus Jensen ts.all = 0; 519688eea45cSKlaus Jensen ts.timestamp = n->host_timestamp + elapsed_time; 519788eea45cSKlaus Jensen 519888eea45cSKlaus Jensen /* If the host timestamp is non-zero, set the timestamp origin */ 519988eea45cSKlaus Jensen ts.origin = n->host_timestamp ? 0x01 : 0x00; 520088eea45cSKlaus Jensen 520188eea45cSKlaus Jensen trace_pci_nvme_getfeat_timestamp(ts.all); 520288eea45cSKlaus Jensen 520388eea45cSKlaus Jensen return cpu_to_le64(ts.all); 520488eea45cSKlaus Jensen } 520588eea45cSKlaus Jensen 520688eea45cSKlaus Jensen static uint16_t nvme_get_feature_timestamp(NvmeCtrl *n, NvmeRequest *req) 520788eea45cSKlaus Jensen { 520888eea45cSKlaus Jensen uint64_t timestamp = nvme_get_timestamp(n); 520988eea45cSKlaus Jensen 521088eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)×tamp, sizeof(timestamp), req); 521188eea45cSKlaus Jensen } 521288eea45cSKlaus Jensen 521388eea45cSKlaus Jensen static uint16_t nvme_get_feature(NvmeCtrl *n, NvmeRequest *req) 521488eea45cSKlaus Jensen { 521588eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 521688eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 521788eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 521888eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(cmd->nsid); 521988eea45cSKlaus Jensen uint32_t result; 522088eea45cSKlaus Jensen uint8_t fid = NVME_GETSETFEAT_FID(dw10); 522188eea45cSKlaus Jensen NvmeGetFeatureSelect sel = NVME_GETFEAT_SELECT(dw10); 522288eea45cSKlaus Jensen uint16_t iv; 522388eea45cSKlaus Jensen NvmeNamespace *ns; 522488eea45cSKlaus Jensen int i; 522588eea45cSKlaus Jensen 522688eea45cSKlaus Jensen static const uint32_t nvme_feature_default[NVME_FID_MAX] = { 522788eea45cSKlaus Jensen [NVME_ARBITRATION] = NVME_ARB_AB_NOLIMIT, 522888eea45cSKlaus Jensen }; 522988eea45cSKlaus Jensen 523088eea45cSKlaus Jensen trace_pci_nvme_getfeat(nvme_cid(req), nsid, fid, sel, dw11); 523188eea45cSKlaus Jensen 523288eea45cSKlaus Jensen if (!nvme_feature_support[fid]) { 523388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 523488eea45cSKlaus Jensen } 523588eea45cSKlaus Jensen 523688eea45cSKlaus Jensen if (nvme_feature_cap[fid] & NVME_FEAT_CAP_NS) { 523788eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 523888eea45cSKlaus Jensen /* 523988eea45cSKlaus Jensen * The Reservation Notification Mask and Reservation Persistence 524088eea45cSKlaus Jensen * features require a status code of Invalid Field in Command when 524188eea45cSKlaus Jensen * NSID is FFFFFFFFh. Since the device does not support those 524288eea45cSKlaus Jensen * features we can always return Invalid Namespace or Format as we 524388eea45cSKlaus Jensen * should do for all other features. 524488eea45cSKlaus Jensen */ 524588eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 524688eea45cSKlaus Jensen } 524788eea45cSKlaus Jensen 524888eea45cSKlaus Jensen if (!nvme_ns(n, nsid)) { 524988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 525088eea45cSKlaus Jensen } 525188eea45cSKlaus Jensen } 525288eea45cSKlaus Jensen 525388eea45cSKlaus Jensen switch (sel) { 525488eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_CURRENT: 525588eea45cSKlaus Jensen break; 525688eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_SAVED: 525788eea45cSKlaus Jensen /* no features are saveable by the controller; fallthrough */ 525888eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_DEFAULT: 525988eea45cSKlaus Jensen goto defaults; 526088eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_CAP: 526188eea45cSKlaus Jensen result = nvme_feature_cap[fid]; 526288eea45cSKlaus Jensen goto out; 526388eea45cSKlaus Jensen } 526488eea45cSKlaus Jensen 526588eea45cSKlaus Jensen switch (fid) { 526688eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 526788eea45cSKlaus Jensen result = 0; 526888eea45cSKlaus Jensen 526988eea45cSKlaus Jensen /* 527088eea45cSKlaus Jensen * The controller only implements the Composite Temperature sensor, so 527188eea45cSKlaus Jensen * return 0 for all other sensors. 527288eea45cSKlaus Jensen */ 527388eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 527488eea45cSKlaus Jensen goto out; 527588eea45cSKlaus Jensen } 527688eea45cSKlaus Jensen 527788eea45cSKlaus Jensen switch (NVME_TEMP_THSEL(dw11)) { 527888eea45cSKlaus Jensen case NVME_TEMP_THSEL_OVER: 527988eea45cSKlaus Jensen result = n->features.temp_thresh_hi; 528088eea45cSKlaus Jensen goto out; 528188eea45cSKlaus Jensen case NVME_TEMP_THSEL_UNDER: 528288eea45cSKlaus Jensen result = n->features.temp_thresh_low; 528388eea45cSKlaus Jensen goto out; 528488eea45cSKlaus Jensen } 528588eea45cSKlaus Jensen 528688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 528788eea45cSKlaus Jensen case NVME_ERROR_RECOVERY: 528888eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 528988eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 529088eea45cSKlaus Jensen } 529188eea45cSKlaus Jensen 529288eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 529388eea45cSKlaus Jensen if (unlikely(!ns)) { 529488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 529588eea45cSKlaus Jensen } 529688eea45cSKlaus Jensen 529788eea45cSKlaus Jensen result = ns->features.err_rec; 529888eea45cSKlaus Jensen goto out; 529988eea45cSKlaus Jensen case NVME_VOLATILE_WRITE_CACHE: 530088eea45cSKlaus Jensen result = 0; 530188eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 530288eea45cSKlaus Jensen ns = nvme_ns(n, i); 530388eea45cSKlaus Jensen if (!ns) { 530488eea45cSKlaus Jensen continue; 530588eea45cSKlaus Jensen } 530688eea45cSKlaus Jensen 530788eea45cSKlaus Jensen result = blk_enable_write_cache(ns->blkconf.blk); 530888eea45cSKlaus Jensen if (result) { 530988eea45cSKlaus Jensen break; 531088eea45cSKlaus Jensen } 531188eea45cSKlaus Jensen } 531288eea45cSKlaus Jensen trace_pci_nvme_getfeat_vwcache(result ? "enabled" : "disabled"); 531388eea45cSKlaus Jensen goto out; 531488eea45cSKlaus Jensen case NVME_ASYNCHRONOUS_EVENT_CONF: 531588eea45cSKlaus Jensen result = n->features.async_config; 531688eea45cSKlaus Jensen goto out; 531788eea45cSKlaus Jensen case NVME_TIMESTAMP: 531888eea45cSKlaus Jensen return nvme_get_feature_timestamp(n, req); 5319d0c0697bSNaveen Nagar case NVME_HOST_BEHAVIOR_SUPPORT: 5320d0c0697bSNaveen Nagar return nvme_c2h(n, (uint8_t *)&n->features.hbs, 5321d0c0697bSNaveen Nagar sizeof(n->features.hbs), req); 532288eea45cSKlaus Jensen default: 532388eea45cSKlaus Jensen break; 532488eea45cSKlaus Jensen } 532588eea45cSKlaus Jensen 532688eea45cSKlaus Jensen defaults: 532788eea45cSKlaus Jensen switch (fid) { 532888eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 532988eea45cSKlaus Jensen result = 0; 533088eea45cSKlaus Jensen 533188eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 533288eea45cSKlaus Jensen break; 533388eea45cSKlaus Jensen } 533488eea45cSKlaus Jensen 533588eea45cSKlaus Jensen if (NVME_TEMP_THSEL(dw11) == NVME_TEMP_THSEL_OVER) { 533688eea45cSKlaus Jensen result = NVME_TEMPERATURE_WARNING; 533788eea45cSKlaus Jensen } 533888eea45cSKlaus Jensen 533988eea45cSKlaus Jensen break; 534088eea45cSKlaus Jensen case NVME_NUMBER_OF_QUEUES: 5341decc0261SŁukasz Gieryk result = (n->conf_ioqpairs - 1) | ((n->conf_ioqpairs - 1) << 16); 534288eea45cSKlaus Jensen trace_pci_nvme_getfeat_numq(result); 534388eea45cSKlaus Jensen break; 534488eea45cSKlaus Jensen case NVME_INTERRUPT_VECTOR_CONF: 534588eea45cSKlaus Jensen iv = dw11 & 0xffff; 5346decc0261SŁukasz Gieryk if (iv >= n->conf_ioqpairs + 1) { 534788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 534888eea45cSKlaus Jensen } 534988eea45cSKlaus Jensen 535088eea45cSKlaus Jensen result = iv; 535188eea45cSKlaus Jensen if (iv == n->admin_cq.vector) { 535288eea45cSKlaus Jensen result |= NVME_INTVC_NOCOALESCING; 535388eea45cSKlaus Jensen } 535488eea45cSKlaus Jensen break; 535588eea45cSKlaus Jensen default: 535688eea45cSKlaus Jensen result = nvme_feature_default[fid]; 535788eea45cSKlaus Jensen break; 535888eea45cSKlaus Jensen } 535988eea45cSKlaus Jensen 536088eea45cSKlaus Jensen out: 536188eea45cSKlaus Jensen req->cqe.result = cpu_to_le32(result); 536288eea45cSKlaus Jensen return NVME_SUCCESS; 536388eea45cSKlaus Jensen } 536488eea45cSKlaus Jensen 536588eea45cSKlaus Jensen static uint16_t nvme_set_feature_timestamp(NvmeCtrl *n, NvmeRequest *req) 536688eea45cSKlaus Jensen { 536788eea45cSKlaus Jensen uint16_t ret; 536888eea45cSKlaus Jensen uint64_t timestamp; 536988eea45cSKlaus Jensen 537088eea45cSKlaus Jensen ret = nvme_h2c(n, (uint8_t *)×tamp, sizeof(timestamp), req); 537188eea45cSKlaus Jensen if (ret) { 537288eea45cSKlaus Jensen return ret; 537388eea45cSKlaus Jensen } 537488eea45cSKlaus Jensen 537588eea45cSKlaus Jensen nvme_set_timestamp(n, timestamp); 537688eea45cSKlaus Jensen 537788eea45cSKlaus Jensen return NVME_SUCCESS; 537888eea45cSKlaus Jensen } 537988eea45cSKlaus Jensen 538088eea45cSKlaus Jensen static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeRequest *req) 538188eea45cSKlaus Jensen { 538288eea45cSKlaus Jensen NvmeNamespace *ns = NULL; 538388eea45cSKlaus Jensen 538488eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 538588eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 538688eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 538788eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(cmd->nsid); 538888eea45cSKlaus Jensen uint8_t fid = NVME_GETSETFEAT_FID(dw10); 538988eea45cSKlaus Jensen uint8_t save = NVME_SETFEAT_SAVE(dw10); 5390763c05dfSNaveen Nagar uint16_t status; 539188eea45cSKlaus Jensen int i; 539288eea45cSKlaus Jensen 539388eea45cSKlaus Jensen trace_pci_nvme_setfeat(nvme_cid(req), nsid, fid, save, dw11); 539488eea45cSKlaus Jensen 539588eea45cSKlaus Jensen if (save && !(nvme_feature_cap[fid] & NVME_FEAT_CAP_SAVE)) { 539688eea45cSKlaus Jensen return NVME_FID_NOT_SAVEABLE | NVME_DNR; 539788eea45cSKlaus Jensen } 539888eea45cSKlaus Jensen 539988eea45cSKlaus Jensen if (!nvme_feature_support[fid]) { 540088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 540188eea45cSKlaus Jensen } 540288eea45cSKlaus Jensen 540388eea45cSKlaus Jensen if (nvme_feature_cap[fid] & NVME_FEAT_CAP_NS) { 540488eea45cSKlaus Jensen if (nsid != NVME_NSID_BROADCAST) { 540588eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 540688eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 540788eea45cSKlaus Jensen } 540888eea45cSKlaus Jensen 540988eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 541088eea45cSKlaus Jensen if (unlikely(!ns)) { 541188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 541288eea45cSKlaus Jensen } 541388eea45cSKlaus Jensen } 541488eea45cSKlaus Jensen } else if (nsid && nsid != NVME_NSID_BROADCAST) { 541588eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 541688eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 541788eea45cSKlaus Jensen } 541888eea45cSKlaus Jensen 541988eea45cSKlaus Jensen return NVME_FEAT_NOT_NS_SPEC | NVME_DNR; 542088eea45cSKlaus Jensen } 542188eea45cSKlaus Jensen 542288eea45cSKlaus Jensen if (!(nvme_feature_cap[fid] & NVME_FEAT_CAP_CHANGE)) { 542388eea45cSKlaus Jensen return NVME_FEAT_NOT_CHANGEABLE | NVME_DNR; 542488eea45cSKlaus Jensen } 542588eea45cSKlaus Jensen 542688eea45cSKlaus Jensen switch (fid) { 542788eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 542888eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 542988eea45cSKlaus Jensen break; 543088eea45cSKlaus Jensen } 543188eea45cSKlaus Jensen 543288eea45cSKlaus Jensen switch (NVME_TEMP_THSEL(dw11)) { 543388eea45cSKlaus Jensen case NVME_TEMP_THSEL_OVER: 543488eea45cSKlaus Jensen n->features.temp_thresh_hi = NVME_TEMP_TMPTH(dw11); 543588eea45cSKlaus Jensen break; 543688eea45cSKlaus Jensen case NVME_TEMP_THSEL_UNDER: 543788eea45cSKlaus Jensen n->features.temp_thresh_low = NVME_TEMP_TMPTH(dw11); 543888eea45cSKlaus Jensen break; 543988eea45cSKlaus Jensen default: 544088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 544188eea45cSKlaus Jensen } 544288eea45cSKlaus Jensen 544388eea45cSKlaus Jensen if ((n->temperature >= n->features.temp_thresh_hi) || 544488eea45cSKlaus Jensen (n->temperature <= n->features.temp_thresh_low)) { 54459235a72aSKlaus Jensen nvme_smart_event(n, NVME_SMART_TEMPERATURE); 544688eea45cSKlaus Jensen } 544788eea45cSKlaus Jensen 544888eea45cSKlaus Jensen break; 544988eea45cSKlaus Jensen case NVME_ERROR_RECOVERY: 545088eea45cSKlaus Jensen if (nsid == NVME_NSID_BROADCAST) { 545188eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 545288eea45cSKlaus Jensen ns = nvme_ns(n, i); 545388eea45cSKlaus Jensen 545488eea45cSKlaus Jensen if (!ns) { 545588eea45cSKlaus Jensen continue; 545688eea45cSKlaus Jensen } 545788eea45cSKlaus Jensen 545888eea45cSKlaus Jensen if (NVME_ID_NS_NSFEAT_DULBE(ns->id_ns.nsfeat)) { 545988eea45cSKlaus Jensen ns->features.err_rec = dw11; 546088eea45cSKlaus Jensen } 546188eea45cSKlaus Jensen } 546288eea45cSKlaus Jensen 546388eea45cSKlaus Jensen break; 546488eea45cSKlaus Jensen } 546588eea45cSKlaus Jensen 546688eea45cSKlaus Jensen assert(ns); 546788eea45cSKlaus Jensen if (NVME_ID_NS_NSFEAT_DULBE(ns->id_ns.nsfeat)) { 546888eea45cSKlaus Jensen ns->features.err_rec = dw11; 546988eea45cSKlaus Jensen } 547088eea45cSKlaus Jensen break; 547188eea45cSKlaus Jensen case NVME_VOLATILE_WRITE_CACHE: 547288eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 547388eea45cSKlaus Jensen ns = nvme_ns(n, i); 547488eea45cSKlaus Jensen if (!ns) { 547588eea45cSKlaus Jensen continue; 547688eea45cSKlaus Jensen } 547788eea45cSKlaus Jensen 547888eea45cSKlaus Jensen if (!(dw11 & 0x1) && blk_enable_write_cache(ns->blkconf.blk)) { 547988eea45cSKlaus Jensen blk_flush(ns->blkconf.blk); 548088eea45cSKlaus Jensen } 548188eea45cSKlaus Jensen 548288eea45cSKlaus Jensen blk_set_enable_write_cache(ns->blkconf.blk, dw11 & 1); 548388eea45cSKlaus Jensen } 548488eea45cSKlaus Jensen 548588eea45cSKlaus Jensen break; 548688eea45cSKlaus Jensen 548788eea45cSKlaus Jensen case NVME_NUMBER_OF_QUEUES: 548888eea45cSKlaus Jensen if (n->qs_created) { 548988eea45cSKlaus Jensen return NVME_CMD_SEQ_ERROR | NVME_DNR; 549088eea45cSKlaus Jensen } 549188eea45cSKlaus Jensen 549288eea45cSKlaus Jensen /* 549388eea45cSKlaus Jensen * NVMe v1.3, Section 5.21.1.7: FFFFh is not an allowed value for NCQR 549488eea45cSKlaus Jensen * and NSQR. 549588eea45cSKlaus Jensen */ 549688eea45cSKlaus Jensen if ((dw11 & 0xffff) == 0xffff || ((dw11 >> 16) & 0xffff) == 0xffff) { 549788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 549888eea45cSKlaus Jensen } 549988eea45cSKlaus Jensen 550088eea45cSKlaus Jensen trace_pci_nvme_setfeat_numq((dw11 & 0xffff) + 1, 550188eea45cSKlaus Jensen ((dw11 >> 16) & 0xffff) + 1, 5502decc0261SŁukasz Gieryk n->conf_ioqpairs, 5503decc0261SŁukasz Gieryk n->conf_ioqpairs); 5504decc0261SŁukasz Gieryk req->cqe.result = cpu_to_le32((n->conf_ioqpairs - 1) | 5505decc0261SŁukasz Gieryk ((n->conf_ioqpairs - 1) << 16)); 550688eea45cSKlaus Jensen break; 550788eea45cSKlaus Jensen case NVME_ASYNCHRONOUS_EVENT_CONF: 550888eea45cSKlaus Jensen n->features.async_config = dw11; 550988eea45cSKlaus Jensen break; 551088eea45cSKlaus Jensen case NVME_TIMESTAMP: 551188eea45cSKlaus Jensen return nvme_set_feature_timestamp(n, req); 5512d0c0697bSNaveen Nagar case NVME_HOST_BEHAVIOR_SUPPORT: 5513763c05dfSNaveen Nagar status = nvme_h2c(n, (uint8_t *)&n->features.hbs, 5514d0c0697bSNaveen Nagar sizeof(n->features.hbs), req); 5515763c05dfSNaveen Nagar if (status) { 5516763c05dfSNaveen Nagar return status; 5517763c05dfSNaveen Nagar } 5518763c05dfSNaveen Nagar 5519763c05dfSNaveen Nagar for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 5520763c05dfSNaveen Nagar ns = nvme_ns(n, i); 5521763c05dfSNaveen Nagar 5522763c05dfSNaveen Nagar if (!ns) { 5523763c05dfSNaveen Nagar continue; 5524763c05dfSNaveen Nagar } 5525763c05dfSNaveen Nagar 5526763c05dfSNaveen Nagar ns->id_ns.nlbaf = ns->nlbaf - 1; 5527763c05dfSNaveen Nagar if (!n->features.hbs.lbafee) { 5528763c05dfSNaveen Nagar ns->id_ns.nlbaf = MIN(ns->id_ns.nlbaf, 15); 5529763c05dfSNaveen Nagar } 5530763c05dfSNaveen Nagar } 5531763c05dfSNaveen Nagar 5532763c05dfSNaveen Nagar return status; 553388eea45cSKlaus Jensen case NVME_COMMAND_SET_PROFILE: 553488eea45cSKlaus Jensen if (dw11 & 0x1ff) { 553588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_iocsci(dw11 & 0x1ff); 553688eea45cSKlaus Jensen return NVME_CMD_SET_CMB_REJECTED | NVME_DNR; 553788eea45cSKlaus Jensen } 553888eea45cSKlaus Jensen break; 553988eea45cSKlaus Jensen default: 554088eea45cSKlaus Jensen return NVME_FEAT_NOT_CHANGEABLE | NVME_DNR; 554188eea45cSKlaus Jensen } 554288eea45cSKlaus Jensen return NVME_SUCCESS; 554388eea45cSKlaus Jensen } 554488eea45cSKlaus Jensen 554588eea45cSKlaus Jensen static uint16_t nvme_aer(NvmeCtrl *n, NvmeRequest *req) 554688eea45cSKlaus Jensen { 554788eea45cSKlaus Jensen trace_pci_nvme_aer(nvme_cid(req)); 554888eea45cSKlaus Jensen 554988eea45cSKlaus Jensen if (n->outstanding_aers > n->params.aerl) { 555088eea45cSKlaus Jensen trace_pci_nvme_aer_aerl_exceeded(); 555188eea45cSKlaus Jensen return NVME_AER_LIMIT_EXCEEDED; 555288eea45cSKlaus Jensen } 555388eea45cSKlaus Jensen 555488eea45cSKlaus Jensen n->aer_reqs[n->outstanding_aers] = req; 555588eea45cSKlaus Jensen n->outstanding_aers++; 555688eea45cSKlaus Jensen 555788eea45cSKlaus Jensen if (!QTAILQ_EMPTY(&n->aer_queue)) { 555888eea45cSKlaus Jensen nvme_process_aers(n); 555988eea45cSKlaus Jensen } 556088eea45cSKlaus Jensen 556188eea45cSKlaus Jensen return NVME_NO_COMPLETE; 556288eea45cSKlaus Jensen } 556388eea45cSKlaus Jensen 556488eea45cSKlaus Jensen static void nvme_update_dmrsl(NvmeCtrl *n) 556588eea45cSKlaus Jensen { 556688eea45cSKlaus Jensen int nsid; 556788eea45cSKlaus Jensen 556888eea45cSKlaus Jensen for (nsid = 1; nsid <= NVME_MAX_NAMESPACES; nsid++) { 556988eea45cSKlaus Jensen NvmeNamespace *ns = nvme_ns(n, nsid); 557088eea45cSKlaus Jensen if (!ns) { 557188eea45cSKlaus Jensen continue; 557288eea45cSKlaus Jensen } 557388eea45cSKlaus Jensen 557488eea45cSKlaus Jensen n->dmrsl = MIN_NON_ZERO(n->dmrsl, 557588eea45cSKlaus Jensen BDRV_REQUEST_MAX_BYTES / nvme_l2b(ns, 1)); 557688eea45cSKlaus Jensen } 557788eea45cSKlaus Jensen } 557888eea45cSKlaus Jensen 557988eea45cSKlaus Jensen static void nvme_select_iocs_ns(NvmeCtrl *n, NvmeNamespace *ns) 558088eea45cSKlaus Jensen { 558149e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 558249e03457SKlaus Jensen 558388eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_none; 558488eea45cSKlaus Jensen switch (ns->csi) { 558588eea45cSKlaus Jensen case NVME_CSI_NVM: 558649e03457SKlaus Jensen if (NVME_CC_CSS(cc) != NVME_CC_CSS_ADMIN_ONLY) { 558788eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_nvm; 558888eea45cSKlaus Jensen } 558988eea45cSKlaus Jensen break; 559088eea45cSKlaus Jensen case NVME_CSI_ZONED: 559149e03457SKlaus Jensen if (NVME_CC_CSS(cc) == NVME_CC_CSS_CSI) { 559288eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_zoned; 559349e03457SKlaus Jensen } else if (NVME_CC_CSS(cc) == NVME_CC_CSS_NVM) { 559488eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_nvm; 559588eea45cSKlaus Jensen } 559688eea45cSKlaus Jensen break; 559788eea45cSKlaus Jensen } 559888eea45cSKlaus Jensen } 559988eea45cSKlaus Jensen 560088eea45cSKlaus Jensen static uint16_t nvme_ns_attachment(NvmeCtrl *n, NvmeRequest *req) 560188eea45cSKlaus Jensen { 560288eea45cSKlaus Jensen NvmeNamespace *ns; 560388eea45cSKlaus Jensen NvmeCtrl *ctrl; 560488eea45cSKlaus Jensen uint16_t list[NVME_CONTROLLER_LIST_SIZE] = {}; 560588eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 560688eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 560707a3dfa7SNaveen Nagar uint8_t sel = dw10 & 0xf; 560888eea45cSKlaus Jensen uint16_t *nr_ids = &list[0]; 560988eea45cSKlaus Jensen uint16_t *ids = &list[1]; 561088eea45cSKlaus Jensen uint16_t ret; 561188eea45cSKlaus Jensen int i; 561288eea45cSKlaus Jensen 561388eea45cSKlaus Jensen trace_pci_nvme_ns_attachment(nvme_cid(req), dw10 & 0xf); 561488eea45cSKlaus Jensen 561588eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 561688eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 561788eea45cSKlaus Jensen } 561888eea45cSKlaus Jensen 561988eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 562088eea45cSKlaus Jensen if (!ns) { 562188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 562288eea45cSKlaus Jensen } 562388eea45cSKlaus Jensen 562488eea45cSKlaus Jensen ret = nvme_h2c(n, (uint8_t *)list, 4096, req); 562588eea45cSKlaus Jensen if (ret) { 562688eea45cSKlaus Jensen return ret; 562788eea45cSKlaus Jensen } 562888eea45cSKlaus Jensen 562988eea45cSKlaus Jensen if (!*nr_ids) { 563088eea45cSKlaus Jensen return NVME_NS_CTRL_LIST_INVALID | NVME_DNR; 563188eea45cSKlaus Jensen } 563288eea45cSKlaus Jensen 563388eea45cSKlaus Jensen *nr_ids = MIN(*nr_ids, NVME_CONTROLLER_LIST_SIZE - 1); 563488eea45cSKlaus Jensen for (i = 0; i < *nr_ids; i++) { 563588eea45cSKlaus Jensen ctrl = nvme_subsys_ctrl(n->subsys, ids[i]); 563688eea45cSKlaus Jensen if (!ctrl) { 563788eea45cSKlaus Jensen return NVME_NS_CTRL_LIST_INVALID | NVME_DNR; 563888eea45cSKlaus Jensen } 563988eea45cSKlaus Jensen 564007a3dfa7SNaveen Nagar switch (sel) { 564107a3dfa7SNaveen Nagar case NVME_NS_ATTACHMENT_ATTACH: 564288eea45cSKlaus Jensen if (nvme_ns(ctrl, nsid)) { 564388eea45cSKlaus Jensen return NVME_NS_ALREADY_ATTACHED | NVME_DNR; 564488eea45cSKlaus Jensen } 564588eea45cSKlaus Jensen 564688eea45cSKlaus Jensen if (ns->attached && !ns->params.shared) { 564788eea45cSKlaus Jensen return NVME_NS_PRIVATE | NVME_DNR; 564888eea45cSKlaus Jensen } 564988eea45cSKlaus Jensen 565088eea45cSKlaus Jensen nvme_attach_ns(ctrl, ns); 565188eea45cSKlaus Jensen nvme_select_iocs_ns(ctrl, ns); 565207a3dfa7SNaveen Nagar 565307a3dfa7SNaveen Nagar break; 565407a3dfa7SNaveen Nagar 565507a3dfa7SNaveen Nagar case NVME_NS_ATTACHMENT_DETACH: 565688eea45cSKlaus Jensen if (!nvme_ns(ctrl, nsid)) { 565788eea45cSKlaus Jensen return NVME_NS_NOT_ATTACHED | NVME_DNR; 565888eea45cSKlaus Jensen } 565988eea45cSKlaus Jensen 566088eea45cSKlaus Jensen ctrl->namespaces[nsid] = NULL; 566188eea45cSKlaus Jensen ns->attached--; 566288eea45cSKlaus Jensen 566388eea45cSKlaus Jensen nvme_update_dmrsl(ctrl); 566407a3dfa7SNaveen Nagar 566507a3dfa7SNaveen Nagar break; 566607a3dfa7SNaveen Nagar 566707a3dfa7SNaveen Nagar default: 566807a3dfa7SNaveen Nagar return NVME_INVALID_FIELD | NVME_DNR; 566988eea45cSKlaus Jensen } 567088eea45cSKlaus Jensen 567188eea45cSKlaus Jensen /* 567288eea45cSKlaus Jensen * Add namespace id to the changed namespace id list for event clearing 567388eea45cSKlaus Jensen * via Get Log Page command. 567488eea45cSKlaus Jensen */ 567588eea45cSKlaus Jensen if (!test_and_set_bit(nsid, ctrl->changed_nsids)) { 567688eea45cSKlaus Jensen nvme_enqueue_event(ctrl, NVME_AER_TYPE_NOTICE, 567788eea45cSKlaus Jensen NVME_AER_INFO_NOTICE_NS_ATTR_CHANGED, 567888eea45cSKlaus Jensen NVME_LOG_CHANGED_NSLIST); 567988eea45cSKlaus Jensen } 568088eea45cSKlaus Jensen } 568188eea45cSKlaus Jensen 568288eea45cSKlaus Jensen return NVME_SUCCESS; 568388eea45cSKlaus Jensen } 568488eea45cSKlaus Jensen 56853bcf26d3SKlaus Jensen typedef struct NvmeFormatAIOCB { 56863bcf26d3SKlaus Jensen BlockAIOCB common; 56873bcf26d3SKlaus Jensen BlockAIOCB *aiocb; 56883bcf26d3SKlaus Jensen NvmeRequest *req; 56893bcf26d3SKlaus Jensen int ret; 569088eea45cSKlaus Jensen 56913bcf26d3SKlaus Jensen NvmeNamespace *ns; 56923bcf26d3SKlaus Jensen uint32_t nsid; 56933bcf26d3SKlaus Jensen bool broadcast; 56943bcf26d3SKlaus Jensen int64_t offset; 5695a6de6ed5SKlaus Jensen 5696a6de6ed5SKlaus Jensen uint8_t lbaf; 5697a6de6ed5SKlaus Jensen uint8_t mset; 5698a6de6ed5SKlaus Jensen uint8_t pi; 5699a6de6ed5SKlaus Jensen uint8_t pil; 57003bcf26d3SKlaus Jensen } NvmeFormatAIOCB; 57013bcf26d3SKlaus Jensen 57023bcf26d3SKlaus Jensen static void nvme_format_cancel(BlockAIOCB *aiocb) 57033bcf26d3SKlaus Jensen { 57043bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = container_of(aiocb, NvmeFormatAIOCB, common); 57053bcf26d3SKlaus Jensen 5706433c71e4SKlaus Jensen iocb->ret = -ECANCELED; 5707433c71e4SKlaus Jensen 57083bcf26d3SKlaus Jensen if (iocb->aiocb) { 57093bcf26d3SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 5710433c71e4SKlaus Jensen iocb->aiocb = NULL; 57113bcf26d3SKlaus Jensen } 57123bcf26d3SKlaus Jensen } 57133bcf26d3SKlaus Jensen 57143bcf26d3SKlaus Jensen static const AIOCBInfo nvme_format_aiocb_info = { 57153bcf26d3SKlaus Jensen .aiocb_size = sizeof(NvmeFormatAIOCB), 57163bcf26d3SKlaus Jensen .cancel_async = nvme_format_cancel, 57173bcf26d3SKlaus Jensen .get_aio_context = nvme_get_aio_context, 57183bcf26d3SKlaus Jensen }; 57193bcf26d3SKlaus Jensen 5720a6de6ed5SKlaus Jensen static void nvme_format_set(NvmeNamespace *ns, uint8_t lbaf, uint8_t mset, 5721a6de6ed5SKlaus Jensen uint8_t pi, uint8_t pil) 57223bcf26d3SKlaus Jensen { 5723763c05dfSNaveen Nagar uint8_t lbafl = lbaf & 0xf; 5724763c05dfSNaveen Nagar uint8_t lbafu = lbaf >> 4; 5725763c05dfSNaveen Nagar 57263bcf26d3SKlaus Jensen trace_pci_nvme_format_set(ns->params.nsid, lbaf, mset, pi, pil); 57273bcf26d3SKlaus Jensen 57283bcf26d3SKlaus Jensen ns->id_ns.dps = (pil << 3) | pi; 5729763c05dfSNaveen Nagar ns->id_ns.flbas = (lbafu << 5) | (mset << 4) | lbafl; 57303bcf26d3SKlaus Jensen 57313bcf26d3SKlaus Jensen nvme_ns_init_format(ns); 57323bcf26d3SKlaus Jensen } 57333bcf26d3SKlaus Jensen 5734433c71e4SKlaus Jensen static void nvme_do_format(NvmeFormatAIOCB *iocb); 5735433c71e4SKlaus Jensen 57363bcf26d3SKlaus Jensen static void nvme_format_ns_cb(void *opaque, int ret) 57373bcf26d3SKlaus Jensen { 57383bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = opaque; 57393bcf26d3SKlaus Jensen NvmeNamespace *ns = iocb->ns; 57403bcf26d3SKlaus Jensen int bytes; 57413bcf26d3SKlaus Jensen 5742433c71e4SKlaus Jensen if (iocb->ret < 0) { 5743433c71e4SKlaus Jensen goto done; 5744433c71e4SKlaus Jensen } else if (ret < 0) { 57453bcf26d3SKlaus Jensen iocb->ret = ret; 57463bcf26d3SKlaus Jensen goto done; 57473bcf26d3SKlaus Jensen } 57483bcf26d3SKlaus Jensen 57493bcf26d3SKlaus Jensen assert(ns); 57503bcf26d3SKlaus Jensen 57513bcf26d3SKlaus Jensen if (iocb->offset < ns->size) { 57523bcf26d3SKlaus Jensen bytes = MIN(BDRV_REQUEST_MAX_BYTES, ns->size - iocb->offset); 57533bcf26d3SKlaus Jensen 57543bcf26d3SKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, iocb->offset, 57553bcf26d3SKlaus Jensen bytes, BDRV_REQ_MAY_UNMAP, 57563bcf26d3SKlaus Jensen nvme_format_ns_cb, iocb); 57573bcf26d3SKlaus Jensen 57583bcf26d3SKlaus Jensen iocb->offset += bytes; 57593bcf26d3SKlaus Jensen return; 57603bcf26d3SKlaus Jensen } 57613bcf26d3SKlaus Jensen 5762a6de6ed5SKlaus Jensen nvme_format_set(ns, iocb->lbaf, iocb->mset, iocb->pi, iocb->pil); 57633bcf26d3SKlaus Jensen ns->status = 0x0; 57643bcf26d3SKlaus Jensen iocb->ns = NULL; 57653bcf26d3SKlaus Jensen iocb->offset = 0; 57663bcf26d3SKlaus Jensen 57673bcf26d3SKlaus Jensen done: 5768433c71e4SKlaus Jensen nvme_do_format(iocb); 57693bcf26d3SKlaus Jensen } 57703bcf26d3SKlaus Jensen 57713bcf26d3SKlaus Jensen static uint16_t nvme_format_check(NvmeNamespace *ns, uint8_t lbaf, uint8_t pi) 57723bcf26d3SKlaus Jensen { 577388eea45cSKlaus Jensen if (ns->params.zoned) { 577488eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 577588eea45cSKlaus Jensen } 577688eea45cSKlaus Jensen 577788eea45cSKlaus Jensen if (lbaf > ns->id_ns.nlbaf) { 577888eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 577988eea45cSKlaus Jensen } 578088eea45cSKlaus Jensen 5781ac0b34c5SKlaus Jensen if (pi && (ns->id_ns.lbaf[lbaf].ms < nvme_pi_tuple_size(ns))) { 578288eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 578388eea45cSKlaus Jensen } 578488eea45cSKlaus Jensen 578588eea45cSKlaus Jensen if (pi && pi > NVME_ID_NS_DPS_TYPE_3) { 578688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 578788eea45cSKlaus Jensen } 578888eea45cSKlaus Jensen 578988eea45cSKlaus Jensen return NVME_SUCCESS; 579088eea45cSKlaus Jensen } 579188eea45cSKlaus Jensen 5792433c71e4SKlaus Jensen static void nvme_do_format(NvmeFormatAIOCB *iocb) 579388eea45cSKlaus Jensen { 57943bcf26d3SKlaus Jensen NvmeRequest *req = iocb->req; 57953bcf26d3SKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 579644219b60SNaveen Nagar uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 579744219b60SNaveen Nagar uint8_t lbaf = dw10 & 0xf; 579844219b60SNaveen Nagar uint8_t pi = (dw10 >> 5) & 0x7; 579988eea45cSKlaus Jensen uint16_t status; 580088eea45cSKlaus Jensen int i; 580188eea45cSKlaus Jensen 58023bcf26d3SKlaus Jensen if (iocb->ret < 0) { 58033bcf26d3SKlaus Jensen goto done; 580488eea45cSKlaus Jensen } 580588eea45cSKlaus Jensen 58063bcf26d3SKlaus Jensen if (iocb->broadcast) { 58073bcf26d3SKlaus Jensen for (i = iocb->nsid + 1; i <= NVME_MAX_NAMESPACES; i++) { 58083bcf26d3SKlaus Jensen iocb->ns = nvme_ns(n, i); 58093bcf26d3SKlaus Jensen if (iocb->ns) { 58103bcf26d3SKlaus Jensen iocb->nsid = i; 581188eea45cSKlaus Jensen break; 581288eea45cSKlaus Jensen } 581388eea45cSKlaus Jensen } 581488eea45cSKlaus Jensen } 581588eea45cSKlaus Jensen 58163bcf26d3SKlaus Jensen if (!iocb->ns) { 58173bcf26d3SKlaus Jensen goto done; 581888eea45cSKlaus Jensen } 581988eea45cSKlaus Jensen 582044219b60SNaveen Nagar status = nvme_format_check(iocb->ns, lbaf, pi); 58213bcf26d3SKlaus Jensen if (status) { 58223bcf26d3SKlaus Jensen req->status = status; 58233bcf26d3SKlaus Jensen goto done; 58243bcf26d3SKlaus Jensen } 58253bcf26d3SKlaus Jensen 58263bcf26d3SKlaus Jensen iocb->ns->status = NVME_FORMAT_IN_PROGRESS; 58273bcf26d3SKlaus Jensen nvme_format_ns_cb(iocb, 0); 58283bcf26d3SKlaus Jensen return; 58293bcf26d3SKlaus Jensen 58303bcf26d3SKlaus Jensen done: 58313bcf26d3SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 58323bcf26d3SKlaus Jensen qemu_aio_unref(iocb); 58333bcf26d3SKlaus Jensen } 58343bcf26d3SKlaus Jensen 58353bcf26d3SKlaus Jensen static uint16_t nvme_format(NvmeCtrl *n, NvmeRequest *req) 58363bcf26d3SKlaus Jensen { 58373bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb; 58383bcf26d3SKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 5839a6de6ed5SKlaus Jensen uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 5840a6de6ed5SKlaus Jensen uint8_t lbaf = dw10 & 0xf; 5841a6de6ed5SKlaus Jensen uint8_t mset = (dw10 >> 4) & 0x1; 5842a6de6ed5SKlaus Jensen uint8_t pi = (dw10 >> 5) & 0x7; 5843a6de6ed5SKlaus Jensen uint8_t pil = (dw10 >> 8) & 0x1; 5844763c05dfSNaveen Nagar uint8_t lbafu = (dw10 >> 12) & 0x3; 58453bcf26d3SKlaus Jensen uint16_t status; 58463bcf26d3SKlaus Jensen 58473bcf26d3SKlaus Jensen iocb = qemu_aio_get(&nvme_format_aiocb_info, NULL, nvme_misc_cb, req); 58483bcf26d3SKlaus Jensen 58493bcf26d3SKlaus Jensen iocb->req = req; 58503bcf26d3SKlaus Jensen iocb->ret = 0; 58513bcf26d3SKlaus Jensen iocb->ns = NULL; 58523bcf26d3SKlaus Jensen iocb->nsid = 0; 5853a6de6ed5SKlaus Jensen iocb->lbaf = lbaf; 5854a6de6ed5SKlaus Jensen iocb->mset = mset; 5855a6de6ed5SKlaus Jensen iocb->pi = pi; 5856a6de6ed5SKlaus Jensen iocb->pil = pil; 58573bcf26d3SKlaus Jensen iocb->broadcast = (nsid == NVME_NSID_BROADCAST); 58583bcf26d3SKlaus Jensen iocb->offset = 0; 58593bcf26d3SKlaus Jensen 5860763c05dfSNaveen Nagar if (n->features.hbs.lbafee) { 5861763c05dfSNaveen Nagar iocb->lbaf |= lbafu << 4; 5862763c05dfSNaveen Nagar } 5863763c05dfSNaveen Nagar 58643bcf26d3SKlaus Jensen if (!iocb->broadcast) { 58653bcf26d3SKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 58663bcf26d3SKlaus Jensen status = NVME_INVALID_NSID | NVME_DNR; 58673bcf26d3SKlaus Jensen goto out; 58683bcf26d3SKlaus Jensen } 58693bcf26d3SKlaus Jensen 58703bcf26d3SKlaus Jensen iocb->ns = nvme_ns(n, nsid); 58713bcf26d3SKlaus Jensen if (!iocb->ns) { 58723bcf26d3SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 58733bcf26d3SKlaus Jensen goto out; 58743bcf26d3SKlaus Jensen } 58753bcf26d3SKlaus Jensen } 58763bcf26d3SKlaus Jensen 58773bcf26d3SKlaus Jensen req->aiocb = &iocb->common; 5878433c71e4SKlaus Jensen nvme_do_format(iocb); 58793bcf26d3SKlaus Jensen 58803bcf26d3SKlaus Jensen return NVME_NO_COMPLETE; 58813bcf26d3SKlaus Jensen 58823bcf26d3SKlaus Jensen out: 58833bcf26d3SKlaus Jensen qemu_aio_unref(iocb); 5884433c71e4SKlaus Jensen 58853bcf26d3SKlaus Jensen return status; 588688eea45cSKlaus Jensen } 588788eea45cSKlaus Jensen 588811871f53SŁukasz Gieryk static void nvme_get_virt_res_num(NvmeCtrl *n, uint8_t rt, int *num_total, 588911871f53SŁukasz Gieryk int *num_prim, int *num_sec) 589011871f53SŁukasz Gieryk { 589111871f53SŁukasz Gieryk *num_total = le32_to_cpu(rt ? 589211871f53SŁukasz Gieryk n->pri_ctrl_cap.vifrt : n->pri_ctrl_cap.vqfrt); 589311871f53SŁukasz Gieryk *num_prim = le16_to_cpu(rt ? 589411871f53SŁukasz Gieryk n->pri_ctrl_cap.virfap : n->pri_ctrl_cap.vqrfap); 589511871f53SŁukasz Gieryk *num_sec = le16_to_cpu(rt ? n->pri_ctrl_cap.virfa : n->pri_ctrl_cap.vqrfa); 589611871f53SŁukasz Gieryk } 589711871f53SŁukasz Gieryk 589811871f53SŁukasz Gieryk static uint16_t nvme_assign_virt_res_to_prim(NvmeCtrl *n, NvmeRequest *req, 589911871f53SŁukasz Gieryk uint16_t cntlid, uint8_t rt, 590011871f53SŁukasz Gieryk int nr) 590111871f53SŁukasz Gieryk { 590211871f53SŁukasz Gieryk int num_total, num_prim, num_sec; 590311871f53SŁukasz Gieryk 590411871f53SŁukasz Gieryk if (cntlid != n->cntlid) { 590511871f53SŁukasz Gieryk return NVME_INVALID_CTRL_ID | NVME_DNR; 590611871f53SŁukasz Gieryk } 590711871f53SŁukasz Gieryk 590811871f53SŁukasz Gieryk nvme_get_virt_res_num(n, rt, &num_total, &num_prim, &num_sec); 590911871f53SŁukasz Gieryk 591011871f53SŁukasz Gieryk if (nr > num_total) { 591111871f53SŁukasz Gieryk return NVME_INVALID_NUM_RESOURCES | NVME_DNR; 591211871f53SŁukasz Gieryk } 591311871f53SŁukasz Gieryk 591411871f53SŁukasz Gieryk if (nr > num_total - num_sec) { 591511871f53SŁukasz Gieryk return NVME_INVALID_RESOURCE_ID | NVME_DNR; 591611871f53SŁukasz Gieryk } 591711871f53SŁukasz Gieryk 591811871f53SŁukasz Gieryk if (rt) { 591911871f53SŁukasz Gieryk n->next_pri_ctrl_cap.virfap = cpu_to_le16(nr); 592011871f53SŁukasz Gieryk } else { 592111871f53SŁukasz Gieryk n->next_pri_ctrl_cap.vqrfap = cpu_to_le16(nr); 592211871f53SŁukasz Gieryk } 592311871f53SŁukasz Gieryk 592411871f53SŁukasz Gieryk req->cqe.result = cpu_to_le32(nr); 592511871f53SŁukasz Gieryk return req->status; 592611871f53SŁukasz Gieryk } 592711871f53SŁukasz Gieryk 592811871f53SŁukasz Gieryk static void nvme_update_virt_res(NvmeCtrl *n, NvmeSecCtrlEntry *sctrl, 592911871f53SŁukasz Gieryk uint8_t rt, int nr) 593011871f53SŁukasz Gieryk { 593111871f53SŁukasz Gieryk int prev_nr, prev_total; 593211871f53SŁukasz Gieryk 593311871f53SŁukasz Gieryk if (rt) { 593411871f53SŁukasz Gieryk prev_nr = le16_to_cpu(sctrl->nvi); 593511871f53SŁukasz Gieryk prev_total = le32_to_cpu(n->pri_ctrl_cap.virfa); 593611871f53SŁukasz Gieryk sctrl->nvi = cpu_to_le16(nr); 593711871f53SŁukasz Gieryk n->pri_ctrl_cap.virfa = cpu_to_le32(prev_total + nr - prev_nr); 593811871f53SŁukasz Gieryk } else { 593911871f53SŁukasz Gieryk prev_nr = le16_to_cpu(sctrl->nvq); 594011871f53SŁukasz Gieryk prev_total = le32_to_cpu(n->pri_ctrl_cap.vqrfa); 594111871f53SŁukasz Gieryk sctrl->nvq = cpu_to_le16(nr); 594211871f53SŁukasz Gieryk n->pri_ctrl_cap.vqrfa = cpu_to_le32(prev_total + nr - prev_nr); 594311871f53SŁukasz Gieryk } 594411871f53SŁukasz Gieryk } 594511871f53SŁukasz Gieryk 594611871f53SŁukasz Gieryk static uint16_t nvme_assign_virt_res_to_sec(NvmeCtrl *n, NvmeRequest *req, 594711871f53SŁukasz Gieryk uint16_t cntlid, uint8_t rt, int nr) 594811871f53SŁukasz Gieryk { 594911871f53SŁukasz Gieryk int num_total, num_prim, num_sec, num_free, diff, limit; 595011871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl; 595111871f53SŁukasz Gieryk 595211871f53SŁukasz Gieryk sctrl = nvme_sctrl_for_cntlid(n, cntlid); 595311871f53SŁukasz Gieryk if (!sctrl) { 595411871f53SŁukasz Gieryk return NVME_INVALID_CTRL_ID | NVME_DNR; 595511871f53SŁukasz Gieryk } 595611871f53SŁukasz Gieryk 595711871f53SŁukasz Gieryk if (sctrl->scs) { 595811871f53SŁukasz Gieryk return NVME_INVALID_SEC_CTRL_STATE | NVME_DNR; 595911871f53SŁukasz Gieryk } 596011871f53SŁukasz Gieryk 596111871f53SŁukasz Gieryk limit = le16_to_cpu(rt ? n->pri_ctrl_cap.vifrsm : n->pri_ctrl_cap.vqfrsm); 596211871f53SŁukasz Gieryk if (nr > limit) { 596311871f53SŁukasz Gieryk return NVME_INVALID_NUM_RESOURCES | NVME_DNR; 596411871f53SŁukasz Gieryk } 596511871f53SŁukasz Gieryk 596611871f53SŁukasz Gieryk nvme_get_virt_res_num(n, rt, &num_total, &num_prim, &num_sec); 596711871f53SŁukasz Gieryk num_free = num_total - num_prim - num_sec; 596811871f53SŁukasz Gieryk diff = nr - le16_to_cpu(rt ? sctrl->nvi : sctrl->nvq); 596911871f53SŁukasz Gieryk 597011871f53SŁukasz Gieryk if (diff > num_free) { 597111871f53SŁukasz Gieryk return NVME_INVALID_RESOURCE_ID | NVME_DNR; 597211871f53SŁukasz Gieryk } 597311871f53SŁukasz Gieryk 597411871f53SŁukasz Gieryk nvme_update_virt_res(n, sctrl, rt, nr); 597511871f53SŁukasz Gieryk req->cqe.result = cpu_to_le32(nr); 597611871f53SŁukasz Gieryk 597711871f53SŁukasz Gieryk return req->status; 597811871f53SŁukasz Gieryk } 597911871f53SŁukasz Gieryk 598011871f53SŁukasz Gieryk static uint16_t nvme_virt_set_state(NvmeCtrl *n, uint16_t cntlid, bool online) 598111871f53SŁukasz Gieryk { 598248b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 598311871f53SŁukasz Gieryk NvmeCtrl *sn = NULL; 598411871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl; 598511871f53SŁukasz Gieryk int vf_index; 598611871f53SŁukasz Gieryk 598711871f53SŁukasz Gieryk sctrl = nvme_sctrl_for_cntlid(n, cntlid); 598811871f53SŁukasz Gieryk if (!sctrl) { 598911871f53SŁukasz Gieryk return NVME_INVALID_CTRL_ID | NVME_DNR; 599011871f53SŁukasz Gieryk } 599111871f53SŁukasz Gieryk 599248b32c28SKlaus Jensen if (!pci_is_vf(pci)) { 599311871f53SŁukasz Gieryk vf_index = le16_to_cpu(sctrl->vfn) - 1; 599448b32c28SKlaus Jensen sn = NVME(pcie_sriov_get_vf_at_index(pci, vf_index)); 599511871f53SŁukasz Gieryk } 599611871f53SŁukasz Gieryk 599711871f53SŁukasz Gieryk if (online) { 599811871f53SŁukasz Gieryk if (!sctrl->nvi || (le16_to_cpu(sctrl->nvq) < 2) || !sn) { 599911871f53SŁukasz Gieryk return NVME_INVALID_SEC_CTRL_STATE | NVME_DNR; 600011871f53SŁukasz Gieryk } 600111871f53SŁukasz Gieryk 600211871f53SŁukasz Gieryk if (!sctrl->scs) { 600311871f53SŁukasz Gieryk sctrl->scs = 0x1; 600411871f53SŁukasz Gieryk nvme_ctrl_reset(sn, NVME_RESET_FUNCTION); 600511871f53SŁukasz Gieryk } 600611871f53SŁukasz Gieryk } else { 600711871f53SŁukasz Gieryk nvme_update_virt_res(n, sctrl, NVME_VIRT_RES_INTERRUPT, 0); 600811871f53SŁukasz Gieryk nvme_update_virt_res(n, sctrl, NVME_VIRT_RES_QUEUE, 0); 600911871f53SŁukasz Gieryk 601011871f53SŁukasz Gieryk if (sctrl->scs) { 601111871f53SŁukasz Gieryk sctrl->scs = 0x0; 601211871f53SŁukasz Gieryk if (sn) { 601311871f53SŁukasz Gieryk nvme_ctrl_reset(sn, NVME_RESET_FUNCTION); 601411871f53SŁukasz Gieryk } 601511871f53SŁukasz Gieryk } 601611871f53SŁukasz Gieryk } 601711871f53SŁukasz Gieryk 601811871f53SŁukasz Gieryk return NVME_SUCCESS; 601911871f53SŁukasz Gieryk } 602011871f53SŁukasz Gieryk 602111871f53SŁukasz Gieryk static uint16_t nvme_virt_mngmt(NvmeCtrl *n, NvmeRequest *req) 602211871f53SŁukasz Gieryk { 602311871f53SŁukasz Gieryk uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 602411871f53SŁukasz Gieryk uint32_t dw11 = le32_to_cpu(req->cmd.cdw11); 602511871f53SŁukasz Gieryk uint8_t act = dw10 & 0xf; 602611871f53SŁukasz Gieryk uint8_t rt = (dw10 >> 8) & 0x7; 602711871f53SŁukasz Gieryk uint16_t cntlid = (dw10 >> 16) & 0xffff; 602811871f53SŁukasz Gieryk int nr = dw11 & 0xffff; 602911871f53SŁukasz Gieryk 603011871f53SŁukasz Gieryk trace_pci_nvme_virt_mngmt(nvme_cid(req), act, cntlid, rt ? "VI" : "VQ", nr); 603111871f53SŁukasz Gieryk 603211871f53SŁukasz Gieryk if (rt != NVME_VIRT_RES_QUEUE && rt != NVME_VIRT_RES_INTERRUPT) { 603311871f53SŁukasz Gieryk return NVME_INVALID_RESOURCE_ID | NVME_DNR; 603411871f53SŁukasz Gieryk } 603511871f53SŁukasz Gieryk 603611871f53SŁukasz Gieryk switch (act) { 603711871f53SŁukasz Gieryk case NVME_VIRT_MNGMT_ACTION_SEC_ASSIGN: 603811871f53SŁukasz Gieryk return nvme_assign_virt_res_to_sec(n, req, cntlid, rt, nr); 603911871f53SŁukasz Gieryk case NVME_VIRT_MNGMT_ACTION_PRM_ALLOC: 604011871f53SŁukasz Gieryk return nvme_assign_virt_res_to_prim(n, req, cntlid, rt, nr); 604111871f53SŁukasz Gieryk case NVME_VIRT_MNGMT_ACTION_SEC_ONLINE: 604211871f53SŁukasz Gieryk return nvme_virt_set_state(n, cntlid, true); 604311871f53SŁukasz Gieryk case NVME_VIRT_MNGMT_ACTION_SEC_OFFLINE: 604411871f53SŁukasz Gieryk return nvme_virt_set_state(n, cntlid, false); 604511871f53SŁukasz Gieryk default: 604611871f53SŁukasz Gieryk return NVME_INVALID_FIELD | NVME_DNR; 604711871f53SŁukasz Gieryk } 604811871f53SŁukasz Gieryk } 604911871f53SŁukasz Gieryk 60503f7fe8deSJinhao Fan static uint16_t nvme_dbbuf_config(NvmeCtrl *n, const NvmeRequest *req) 60513f7fe8deSJinhao Fan { 605248b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 60533f7fe8deSJinhao Fan uint64_t dbs_addr = le64_to_cpu(req->cmd.dptr.prp1); 60543f7fe8deSJinhao Fan uint64_t eis_addr = le64_to_cpu(req->cmd.dptr.prp2); 60553f7fe8deSJinhao Fan int i; 60563f7fe8deSJinhao Fan 60573f7fe8deSJinhao Fan /* Address should be page aligned */ 60583f7fe8deSJinhao Fan if (dbs_addr & (n->page_size - 1) || eis_addr & (n->page_size - 1)) { 60593f7fe8deSJinhao Fan return NVME_INVALID_FIELD | NVME_DNR; 60603f7fe8deSJinhao Fan } 60613f7fe8deSJinhao Fan 60623f7fe8deSJinhao Fan /* Save shadow buffer base addr for use during queue creation */ 60633f7fe8deSJinhao Fan n->dbbuf_dbs = dbs_addr; 60643f7fe8deSJinhao Fan n->dbbuf_eis = eis_addr; 60653f7fe8deSJinhao Fan n->dbbuf_enabled = true; 60663f7fe8deSJinhao Fan 60673f7fe8deSJinhao Fan for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 60683f7fe8deSJinhao Fan NvmeSQueue *sq = n->sq[i]; 60693f7fe8deSJinhao Fan NvmeCQueue *cq = n->cq[i]; 60703f7fe8deSJinhao Fan 60713f7fe8deSJinhao Fan if (sq) { 60723f7fe8deSJinhao Fan /* 60733f7fe8deSJinhao Fan * CAP.DSTRD is 0, so offset of ith sq db_addr is (i<<3) 60743f7fe8deSJinhao Fan * nvme_process_db() uses this hard-coded way to calculate 60753f7fe8deSJinhao Fan * doorbell offsets. Be consistent with that here. 60763f7fe8deSJinhao Fan */ 60773f7fe8deSJinhao Fan sq->db_addr = dbs_addr + (i << 3); 60783f7fe8deSJinhao Fan sq->ei_addr = eis_addr + (i << 3); 607948b32c28SKlaus Jensen pci_dma_write(pci, sq->db_addr, &sq->tail, sizeof(sq->tail)); 60802e53b0b4SJinhao Fan 60812e53b0b4SJinhao Fan if (n->params.ioeventfd && sq->sqid != 0) { 60822e53b0b4SJinhao Fan if (!nvme_init_sq_ioeventfd(sq)) { 60832e53b0b4SJinhao Fan sq->ioeventfd_enabled = true; 60842e53b0b4SJinhao Fan } 60852e53b0b4SJinhao Fan } 60863f7fe8deSJinhao Fan } 60873f7fe8deSJinhao Fan 60883f7fe8deSJinhao Fan if (cq) { 60893f7fe8deSJinhao Fan /* CAP.DSTRD is 0, so offset of ith cq db_addr is (i<<3)+(1<<2) */ 60903f7fe8deSJinhao Fan cq->db_addr = dbs_addr + (i << 3) + (1 << 2); 60913f7fe8deSJinhao Fan cq->ei_addr = eis_addr + (i << 3) + (1 << 2); 609248b32c28SKlaus Jensen pci_dma_write(pci, cq->db_addr, &cq->head, sizeof(cq->head)); 60932e53b0b4SJinhao Fan 60942e53b0b4SJinhao Fan if (n->params.ioeventfd && cq->cqid != 0) { 60952e53b0b4SJinhao Fan if (!nvme_init_cq_ioeventfd(cq)) { 60962e53b0b4SJinhao Fan cq->ioeventfd_enabled = true; 60972e53b0b4SJinhao Fan } 60982e53b0b4SJinhao Fan } 60993f7fe8deSJinhao Fan } 61003f7fe8deSJinhao Fan } 61013f7fe8deSJinhao Fan 6102387350d5SJinhao Fan trace_pci_nvme_dbbuf_config(dbs_addr, eis_addr); 6103387350d5SJinhao Fan 61043f7fe8deSJinhao Fan return NVME_SUCCESS; 61053f7fe8deSJinhao Fan } 61063f7fe8deSJinhao Fan 610788eea45cSKlaus Jensen static uint16_t nvme_admin_cmd(NvmeCtrl *n, NvmeRequest *req) 610888eea45cSKlaus Jensen { 610988eea45cSKlaus Jensen trace_pci_nvme_admin_cmd(nvme_cid(req), nvme_sqid(req), req->cmd.opcode, 611088eea45cSKlaus Jensen nvme_adm_opc_str(req->cmd.opcode)); 611188eea45cSKlaus Jensen 611288eea45cSKlaus Jensen if (!(nvme_cse_acs[req->cmd.opcode] & NVME_CMD_EFF_CSUPP)) { 611388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_admin_opc(req->cmd.opcode); 611488eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 611588eea45cSKlaus Jensen } 611688eea45cSKlaus Jensen 611788eea45cSKlaus Jensen /* SGLs shall not be used for Admin commands in NVMe over PCIe */ 611888eea45cSKlaus Jensen if (NVME_CMD_FLAGS_PSDT(req->cmd.flags) != NVME_PSDT_PRP) { 611988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 612088eea45cSKlaus Jensen } 612188eea45cSKlaus Jensen 6122c53a9a91SPankaj Raghav if (NVME_CMD_FLAGS_FUSE(req->cmd.flags)) { 6123c53a9a91SPankaj Raghav return NVME_INVALID_FIELD; 6124c53a9a91SPankaj Raghav } 6125c53a9a91SPankaj Raghav 612688eea45cSKlaus Jensen switch (req->cmd.opcode) { 612788eea45cSKlaus Jensen case NVME_ADM_CMD_DELETE_SQ: 612888eea45cSKlaus Jensen return nvme_del_sq(n, req); 612988eea45cSKlaus Jensen case NVME_ADM_CMD_CREATE_SQ: 613088eea45cSKlaus Jensen return nvme_create_sq(n, req); 613188eea45cSKlaus Jensen case NVME_ADM_CMD_GET_LOG_PAGE: 613288eea45cSKlaus Jensen return nvme_get_log(n, req); 613388eea45cSKlaus Jensen case NVME_ADM_CMD_DELETE_CQ: 613488eea45cSKlaus Jensen return nvme_del_cq(n, req); 613588eea45cSKlaus Jensen case NVME_ADM_CMD_CREATE_CQ: 613688eea45cSKlaus Jensen return nvme_create_cq(n, req); 613788eea45cSKlaus Jensen case NVME_ADM_CMD_IDENTIFY: 613888eea45cSKlaus Jensen return nvme_identify(n, req); 613988eea45cSKlaus Jensen case NVME_ADM_CMD_ABORT: 614088eea45cSKlaus Jensen return nvme_abort(n, req); 614188eea45cSKlaus Jensen case NVME_ADM_CMD_SET_FEATURES: 614288eea45cSKlaus Jensen return nvme_set_feature(n, req); 614388eea45cSKlaus Jensen case NVME_ADM_CMD_GET_FEATURES: 614488eea45cSKlaus Jensen return nvme_get_feature(n, req); 614588eea45cSKlaus Jensen case NVME_ADM_CMD_ASYNC_EV_REQ: 614688eea45cSKlaus Jensen return nvme_aer(n, req); 614788eea45cSKlaus Jensen case NVME_ADM_CMD_NS_ATTACHMENT: 614888eea45cSKlaus Jensen return nvme_ns_attachment(n, req); 614911871f53SŁukasz Gieryk case NVME_ADM_CMD_VIRT_MNGMT: 615011871f53SŁukasz Gieryk return nvme_virt_mngmt(n, req); 61513f7fe8deSJinhao Fan case NVME_ADM_CMD_DBBUF_CONFIG: 61523f7fe8deSJinhao Fan return nvme_dbbuf_config(n, req); 615388eea45cSKlaus Jensen case NVME_ADM_CMD_FORMAT_NVM: 615488eea45cSKlaus Jensen return nvme_format(n, req); 615588eea45cSKlaus Jensen default: 615688eea45cSKlaus Jensen assert(false); 615788eea45cSKlaus Jensen } 615888eea45cSKlaus Jensen 615988eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 616088eea45cSKlaus Jensen } 616188eea45cSKlaus Jensen 61623f7fe8deSJinhao Fan static void nvme_update_sq_eventidx(const NvmeSQueue *sq) 61633f7fe8deSJinhao Fan { 61642fda0726SKlaus Jensen uint32_t v = cpu_to_le32(sq->tail); 61652fda0726SKlaus Jensen 616647cd3539SKlaus Jensen trace_pci_nvme_update_sq_eventidx(sq->sqid, sq->tail); 616747cd3539SKlaus Jensen 61682fda0726SKlaus Jensen pci_dma_write(PCI_DEVICE(sq->ctrl), sq->ei_addr, &v, sizeof(v)); 61693f7fe8deSJinhao Fan } 61703f7fe8deSJinhao Fan 61713f7fe8deSJinhao Fan static void nvme_update_sq_tail(NvmeSQueue *sq) 61723f7fe8deSJinhao Fan { 61732fda0726SKlaus Jensen uint32_t v; 61742fda0726SKlaus Jensen 61752fda0726SKlaus Jensen pci_dma_read(PCI_DEVICE(sq->ctrl), sq->db_addr, &v, sizeof(v)); 61762fda0726SKlaus Jensen 61772fda0726SKlaus Jensen sq->tail = le32_to_cpu(v); 617847cd3539SKlaus Jensen 617947cd3539SKlaus Jensen trace_pci_nvme_update_sq_tail(sq->sqid, sq->tail); 61803f7fe8deSJinhao Fan } 61813f7fe8deSJinhao Fan 618288eea45cSKlaus Jensen static void nvme_process_sq(void *opaque) 618388eea45cSKlaus Jensen { 618488eea45cSKlaus Jensen NvmeSQueue *sq = opaque; 618588eea45cSKlaus Jensen NvmeCtrl *n = sq->ctrl; 618688eea45cSKlaus Jensen NvmeCQueue *cq = n->cq[sq->cqid]; 618788eea45cSKlaus Jensen 618888eea45cSKlaus Jensen uint16_t status; 618988eea45cSKlaus Jensen hwaddr addr; 619088eea45cSKlaus Jensen NvmeCmd cmd; 619188eea45cSKlaus Jensen NvmeRequest *req; 619288eea45cSKlaus Jensen 61933f7fe8deSJinhao Fan if (n->dbbuf_enabled) { 61943f7fe8deSJinhao Fan nvme_update_sq_tail(sq); 61953f7fe8deSJinhao Fan } 61963f7fe8deSJinhao Fan 619788eea45cSKlaus Jensen while (!(nvme_sq_empty(sq) || QTAILQ_EMPTY(&sq->req_list))) { 619888eea45cSKlaus Jensen addr = sq->dma_addr + sq->head * n->sqe_size; 619988eea45cSKlaus Jensen if (nvme_addr_read(n, addr, (void *)&cmd, sizeof(cmd))) { 620088eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 620188eea45cSKlaus Jensen trace_pci_nvme_err_cfs(); 620249e03457SKlaus Jensen stl_le_p(&n->bar.csts, NVME_CSTS_FAILED); 620388eea45cSKlaus Jensen break; 620488eea45cSKlaus Jensen } 620588eea45cSKlaus Jensen nvme_inc_sq_head(sq); 620688eea45cSKlaus Jensen 620788eea45cSKlaus Jensen req = QTAILQ_FIRST(&sq->req_list); 620888eea45cSKlaus Jensen QTAILQ_REMOVE(&sq->req_list, req, entry); 620988eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->out_req_list, req, entry); 621088eea45cSKlaus Jensen nvme_req_clear(req); 621188eea45cSKlaus Jensen req->cqe.cid = cmd.cid; 621288eea45cSKlaus Jensen memcpy(&req->cmd, &cmd, sizeof(NvmeCmd)); 621388eea45cSKlaus Jensen 621488eea45cSKlaus Jensen status = sq->sqid ? nvme_io_cmd(n, req) : 621588eea45cSKlaus Jensen nvme_admin_cmd(n, req); 621688eea45cSKlaus Jensen if (status != NVME_NO_COMPLETE) { 621788eea45cSKlaus Jensen req->status = status; 621888eea45cSKlaus Jensen nvme_enqueue_req_completion(cq, req); 621988eea45cSKlaus Jensen } 62203f7fe8deSJinhao Fan 62213f7fe8deSJinhao Fan if (n->dbbuf_enabled) { 62223f7fe8deSJinhao Fan nvme_update_sq_eventidx(sq); 62233f7fe8deSJinhao Fan nvme_update_sq_tail(sq); 62243f7fe8deSJinhao Fan } 622588eea45cSKlaus Jensen } 622688eea45cSKlaus Jensen } 622788eea45cSKlaus Jensen 6228decc0261SŁukasz Gieryk static void nvme_update_msixcap_ts(PCIDevice *pci_dev, uint32_t table_size) 6229decc0261SŁukasz Gieryk { 6230decc0261SŁukasz Gieryk uint8_t *config; 6231decc0261SŁukasz Gieryk 6232decc0261SŁukasz Gieryk if (!msix_present(pci_dev)) { 6233decc0261SŁukasz Gieryk return; 6234decc0261SŁukasz Gieryk } 6235decc0261SŁukasz Gieryk 6236decc0261SŁukasz Gieryk assert(table_size > 0 && table_size <= pci_dev->msix_entries_nr); 6237decc0261SŁukasz Gieryk 6238decc0261SŁukasz Gieryk config = pci_dev->config + pci_dev->msix_cap; 6239decc0261SŁukasz Gieryk pci_set_word_by_mask(config + PCI_MSIX_FLAGS, PCI_MSIX_FLAGS_QSIZE, 6240decc0261SŁukasz Gieryk table_size - 1); 6241decc0261SŁukasz Gieryk } 6242decc0261SŁukasz Gieryk 624311871f53SŁukasz Gieryk static void nvme_activate_virt_res(NvmeCtrl *n) 624411871f53SŁukasz Gieryk { 624548b32c28SKlaus Jensen PCIDevice *pci_dev = PCI_DEVICE(n); 624611871f53SŁukasz Gieryk NvmePriCtrlCap *cap = &n->pri_ctrl_cap; 624711871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl; 624811871f53SŁukasz Gieryk 624911871f53SŁukasz Gieryk /* -1 to account for the admin queue */ 625011871f53SŁukasz Gieryk if (pci_is_vf(pci_dev)) { 625111871f53SŁukasz Gieryk sctrl = nvme_sctrl(n); 625211871f53SŁukasz Gieryk cap->vqprt = sctrl->nvq; 625311871f53SŁukasz Gieryk cap->viprt = sctrl->nvi; 625411871f53SŁukasz Gieryk n->conf_ioqpairs = sctrl->nvq ? le16_to_cpu(sctrl->nvq) - 1 : 0; 625511871f53SŁukasz Gieryk n->conf_msix_qsize = sctrl->nvi ? le16_to_cpu(sctrl->nvi) : 1; 625611871f53SŁukasz Gieryk } else { 625711871f53SŁukasz Gieryk cap->vqrfap = n->next_pri_ctrl_cap.vqrfap; 625811871f53SŁukasz Gieryk cap->virfap = n->next_pri_ctrl_cap.virfap; 625911871f53SŁukasz Gieryk n->conf_ioqpairs = le16_to_cpu(cap->vqprt) + 626011871f53SŁukasz Gieryk le16_to_cpu(cap->vqrfap) - 1; 626111871f53SŁukasz Gieryk n->conf_msix_qsize = le16_to_cpu(cap->viprt) + 626211871f53SŁukasz Gieryk le16_to_cpu(cap->virfap); 626311871f53SŁukasz Gieryk } 626411871f53SŁukasz Gieryk } 626511871f53SŁukasz Gieryk 62661e9c685eSŁukasz Gieryk static void nvme_ctrl_reset(NvmeCtrl *n, NvmeResetType rst) 626788eea45cSKlaus Jensen { 626848b32c28SKlaus Jensen PCIDevice *pci_dev = PCI_DEVICE(n); 626911871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl; 627088eea45cSKlaus Jensen NvmeNamespace *ns; 627188eea45cSKlaus Jensen int i; 627288eea45cSKlaus Jensen 627388eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 627488eea45cSKlaus Jensen ns = nvme_ns(n, i); 627588eea45cSKlaus Jensen if (!ns) { 627688eea45cSKlaus Jensen continue; 627788eea45cSKlaus Jensen } 627888eea45cSKlaus Jensen 627988eea45cSKlaus Jensen nvme_ns_drain(ns); 628088eea45cSKlaus Jensen } 628188eea45cSKlaus Jensen 628288eea45cSKlaus Jensen for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 628388eea45cSKlaus Jensen if (n->sq[i] != NULL) { 628488eea45cSKlaus Jensen nvme_free_sq(n->sq[i], n); 628588eea45cSKlaus Jensen } 628688eea45cSKlaus Jensen } 628788eea45cSKlaus Jensen for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 628888eea45cSKlaus Jensen if (n->cq[i] != NULL) { 628988eea45cSKlaus Jensen nvme_free_cq(n->cq[i], n); 629088eea45cSKlaus Jensen } 629188eea45cSKlaus Jensen } 629288eea45cSKlaus Jensen 629388eea45cSKlaus Jensen while (!QTAILQ_EMPTY(&n->aer_queue)) { 629488eea45cSKlaus Jensen NvmeAsyncEvent *event = QTAILQ_FIRST(&n->aer_queue); 629588eea45cSKlaus Jensen QTAILQ_REMOVE(&n->aer_queue, event, entry); 629688eea45cSKlaus Jensen g_free(event); 629788eea45cSKlaus Jensen } 629888eea45cSKlaus Jensen 629911871f53SŁukasz Gieryk if (n->params.sriov_max_vfs) { 630011871f53SŁukasz Gieryk if (!pci_is_vf(pci_dev)) { 630111871f53SŁukasz Gieryk for (i = 0; i < n->sec_ctrl_list.numcntl; i++) { 630211871f53SŁukasz Gieryk sctrl = &n->sec_ctrl_list.sec[i]; 630311871f53SŁukasz Gieryk nvme_virt_set_state(n, le16_to_cpu(sctrl->scid), false); 630411871f53SŁukasz Gieryk } 630511871f53SŁukasz Gieryk 63061e9c685eSŁukasz Gieryk if (rst != NVME_RESET_CONTROLLER) { 6307decc0261SŁukasz Gieryk pcie_sriov_pf_disable_vfs(pci_dev); 630844c2c094SLukasz Maniak } 63091e9c685eSŁukasz Gieryk } 631044c2c094SLukasz Maniak 631111871f53SŁukasz Gieryk if (rst != NVME_RESET_CONTROLLER) { 631211871f53SŁukasz Gieryk nvme_activate_virt_res(n); 631311871f53SŁukasz Gieryk } 631411871f53SŁukasz Gieryk } 631511871f53SŁukasz Gieryk 631688eea45cSKlaus Jensen n->aer_queued = 0; 631798836e8eSKlaus Jensen n->aer_mask = 0; 631888eea45cSKlaus Jensen n->outstanding_aers = 0; 631988eea45cSKlaus Jensen n->qs_created = false; 6320decc0261SŁukasz Gieryk 6321decc0261SŁukasz Gieryk nvme_update_msixcap_ts(pci_dev, n->conf_msix_qsize); 632211871f53SŁukasz Gieryk 632311871f53SŁukasz Gieryk if (pci_is_vf(pci_dev)) { 632411871f53SŁukasz Gieryk sctrl = nvme_sctrl(n); 6325cc9bcee2SKlaus Jensen 632611871f53SŁukasz Gieryk stl_le_p(&n->bar.csts, sctrl->scs ? 0 : NVME_CSTS_FAILED); 632711871f53SŁukasz Gieryk } else { 632811871f53SŁukasz Gieryk stl_le_p(&n->bar.csts, 0); 632911871f53SŁukasz Gieryk } 6330cc9bcee2SKlaus Jensen 6331cc9bcee2SKlaus Jensen stl_le_p(&n->bar.intms, 0); 6332cc9bcee2SKlaus Jensen stl_le_p(&n->bar.intmc, 0); 6333cc9bcee2SKlaus Jensen stl_le_p(&n->bar.cc, 0); 63343f7fe8deSJinhao Fan 63353f7fe8deSJinhao Fan n->dbbuf_dbs = 0; 63363f7fe8deSJinhao Fan n->dbbuf_eis = 0; 63373f7fe8deSJinhao Fan n->dbbuf_enabled = false; 633888eea45cSKlaus Jensen } 633988eea45cSKlaus Jensen 634088eea45cSKlaus Jensen static void nvme_ctrl_shutdown(NvmeCtrl *n) 634188eea45cSKlaus Jensen { 634288eea45cSKlaus Jensen NvmeNamespace *ns; 634388eea45cSKlaus Jensen int i; 634488eea45cSKlaus Jensen 634588eea45cSKlaus Jensen if (n->pmr.dev) { 634688eea45cSKlaus Jensen memory_region_msync(&n->pmr.dev->mr, 0, n->pmr.dev->size); 634788eea45cSKlaus Jensen } 634888eea45cSKlaus Jensen 634988eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 635088eea45cSKlaus Jensen ns = nvme_ns(n, i); 635188eea45cSKlaus Jensen if (!ns) { 635288eea45cSKlaus Jensen continue; 635388eea45cSKlaus Jensen } 635488eea45cSKlaus Jensen 635588eea45cSKlaus Jensen nvme_ns_shutdown(ns); 635688eea45cSKlaus Jensen } 635788eea45cSKlaus Jensen } 635888eea45cSKlaus Jensen 635988eea45cSKlaus Jensen static void nvme_select_iocs(NvmeCtrl *n) 636088eea45cSKlaus Jensen { 636188eea45cSKlaus Jensen NvmeNamespace *ns; 636288eea45cSKlaus Jensen int i; 636388eea45cSKlaus Jensen 636488eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 636588eea45cSKlaus Jensen ns = nvme_ns(n, i); 636688eea45cSKlaus Jensen if (!ns) { 636788eea45cSKlaus Jensen continue; 636888eea45cSKlaus Jensen } 636988eea45cSKlaus Jensen 637088eea45cSKlaus Jensen nvme_select_iocs_ns(n, ns); 637188eea45cSKlaus Jensen } 637288eea45cSKlaus Jensen } 637388eea45cSKlaus Jensen 637488eea45cSKlaus Jensen static int nvme_start_ctrl(NvmeCtrl *n) 637588eea45cSKlaus Jensen { 637649e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 637749e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 637849e03457SKlaus Jensen uint32_t aqa = ldl_le_p(&n->bar.aqa); 637949e03457SKlaus Jensen uint64_t asq = ldq_le_p(&n->bar.asq); 638049e03457SKlaus Jensen uint64_t acq = ldq_le_p(&n->bar.acq); 638149e03457SKlaus Jensen uint32_t page_bits = NVME_CC_MPS(cc) + 12; 638288eea45cSKlaus Jensen uint32_t page_size = 1 << page_bits; 638311871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl = nvme_sctrl(n); 638488eea45cSKlaus Jensen 638548b32c28SKlaus Jensen if (pci_is_vf(PCI_DEVICE(n)) && !sctrl->scs) { 638611871f53SŁukasz Gieryk trace_pci_nvme_err_startfail_virt_state(le16_to_cpu(sctrl->nvi), 638711871f53SŁukasz Gieryk le16_to_cpu(sctrl->nvq), 638811871f53SŁukasz Gieryk sctrl->scs ? "ONLINE" : 638911871f53SŁukasz Gieryk "OFFLINE"); 639011871f53SŁukasz Gieryk return -1; 639111871f53SŁukasz Gieryk } 639288eea45cSKlaus Jensen if (unlikely(n->cq[0])) { 639388eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cq(); 639488eea45cSKlaus Jensen return -1; 639588eea45cSKlaus Jensen } 639688eea45cSKlaus Jensen if (unlikely(n->sq[0])) { 639788eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sq(); 639888eea45cSKlaus Jensen return -1; 639988eea45cSKlaus Jensen } 640049e03457SKlaus Jensen if (unlikely(asq & (page_size - 1))) { 640149e03457SKlaus Jensen trace_pci_nvme_err_startfail_asq_misaligned(asq); 640288eea45cSKlaus Jensen return -1; 640388eea45cSKlaus Jensen } 640449e03457SKlaus Jensen if (unlikely(acq & (page_size - 1))) { 640549e03457SKlaus Jensen trace_pci_nvme_err_startfail_acq_misaligned(acq); 640688eea45cSKlaus Jensen return -1; 640788eea45cSKlaus Jensen } 640849e03457SKlaus Jensen if (unlikely(!(NVME_CAP_CSS(cap) & (1 << NVME_CC_CSS(cc))))) { 640949e03457SKlaus Jensen trace_pci_nvme_err_startfail_css(NVME_CC_CSS(cc)); 641088eea45cSKlaus Jensen return -1; 641188eea45cSKlaus Jensen } 641249e03457SKlaus Jensen if (unlikely(NVME_CC_MPS(cc) < NVME_CAP_MPSMIN(cap))) { 641388eea45cSKlaus Jensen trace_pci_nvme_err_startfail_page_too_small( 641449e03457SKlaus Jensen NVME_CC_MPS(cc), 641549e03457SKlaus Jensen NVME_CAP_MPSMIN(cap)); 641688eea45cSKlaus Jensen return -1; 641788eea45cSKlaus Jensen } 641849e03457SKlaus Jensen if (unlikely(NVME_CC_MPS(cc) > 641949e03457SKlaus Jensen NVME_CAP_MPSMAX(cap))) { 642088eea45cSKlaus Jensen trace_pci_nvme_err_startfail_page_too_large( 642149e03457SKlaus Jensen NVME_CC_MPS(cc), 642249e03457SKlaus Jensen NVME_CAP_MPSMAX(cap)); 642388eea45cSKlaus Jensen return -1; 642488eea45cSKlaus Jensen } 642549e03457SKlaus Jensen if (unlikely(NVME_CC_IOCQES(cc) < 642688eea45cSKlaus Jensen NVME_CTRL_CQES_MIN(n->id_ctrl.cqes))) { 642788eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cqent_too_small( 642849e03457SKlaus Jensen NVME_CC_IOCQES(cc), 642949e03457SKlaus Jensen NVME_CTRL_CQES_MIN(cap)); 643088eea45cSKlaus Jensen return -1; 643188eea45cSKlaus Jensen } 643249e03457SKlaus Jensen if (unlikely(NVME_CC_IOCQES(cc) > 643388eea45cSKlaus Jensen NVME_CTRL_CQES_MAX(n->id_ctrl.cqes))) { 643488eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cqent_too_large( 643549e03457SKlaus Jensen NVME_CC_IOCQES(cc), 643649e03457SKlaus Jensen NVME_CTRL_CQES_MAX(cap)); 643788eea45cSKlaus Jensen return -1; 643888eea45cSKlaus Jensen } 643949e03457SKlaus Jensen if (unlikely(NVME_CC_IOSQES(cc) < 644088eea45cSKlaus Jensen NVME_CTRL_SQES_MIN(n->id_ctrl.sqes))) { 644188eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sqent_too_small( 644249e03457SKlaus Jensen NVME_CC_IOSQES(cc), 644349e03457SKlaus Jensen NVME_CTRL_SQES_MIN(cap)); 644488eea45cSKlaus Jensen return -1; 644588eea45cSKlaus Jensen } 644649e03457SKlaus Jensen if (unlikely(NVME_CC_IOSQES(cc) > 644788eea45cSKlaus Jensen NVME_CTRL_SQES_MAX(n->id_ctrl.sqes))) { 644888eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sqent_too_large( 644949e03457SKlaus Jensen NVME_CC_IOSQES(cc), 645049e03457SKlaus Jensen NVME_CTRL_SQES_MAX(cap)); 645188eea45cSKlaus Jensen return -1; 645288eea45cSKlaus Jensen } 645349e03457SKlaus Jensen if (unlikely(!NVME_AQA_ASQS(aqa))) { 645488eea45cSKlaus Jensen trace_pci_nvme_err_startfail_asqent_sz_zero(); 645588eea45cSKlaus Jensen return -1; 645688eea45cSKlaus Jensen } 645749e03457SKlaus Jensen if (unlikely(!NVME_AQA_ACQS(aqa))) { 645888eea45cSKlaus Jensen trace_pci_nvme_err_startfail_acqent_sz_zero(); 645988eea45cSKlaus Jensen return -1; 646088eea45cSKlaus Jensen } 646188eea45cSKlaus Jensen 646288eea45cSKlaus Jensen n->page_bits = page_bits; 646388eea45cSKlaus Jensen n->page_size = page_size; 646488eea45cSKlaus Jensen n->max_prp_ents = n->page_size / sizeof(uint64_t); 646549e03457SKlaus Jensen n->cqe_size = 1 << NVME_CC_IOCQES(cc); 646649e03457SKlaus Jensen n->sqe_size = 1 << NVME_CC_IOSQES(cc); 646749e03457SKlaus Jensen nvme_init_cq(&n->admin_cq, n, acq, 0, 0, NVME_AQA_ACQS(aqa) + 1, 1); 646849e03457SKlaus Jensen nvme_init_sq(&n->admin_sq, n, asq, 0, 0, NVME_AQA_ASQS(aqa) + 1); 646988eea45cSKlaus Jensen 647088eea45cSKlaus Jensen nvme_set_timestamp(n, 0ULL); 647188eea45cSKlaus Jensen 647288eea45cSKlaus Jensen nvme_select_iocs(n); 647388eea45cSKlaus Jensen 647488eea45cSKlaus Jensen return 0; 647588eea45cSKlaus Jensen } 647688eea45cSKlaus Jensen 647788eea45cSKlaus Jensen static void nvme_cmb_enable_regs(NvmeCtrl *n) 647888eea45cSKlaus Jensen { 647949e03457SKlaus Jensen uint32_t cmbloc = ldl_le_p(&n->bar.cmbloc); 648049e03457SKlaus Jensen uint32_t cmbsz = ldl_le_p(&n->bar.cmbsz); 648188eea45cSKlaus Jensen 648249e03457SKlaus Jensen NVME_CMBLOC_SET_CDPCILS(cmbloc, 1); 648349e03457SKlaus Jensen NVME_CMBLOC_SET_CDPMLS(cmbloc, 1); 648449e03457SKlaus Jensen NVME_CMBLOC_SET_BIR(cmbloc, NVME_CMB_BIR); 648549e03457SKlaus Jensen stl_le_p(&n->bar.cmbloc, cmbloc); 648649e03457SKlaus Jensen 648749e03457SKlaus Jensen NVME_CMBSZ_SET_SQS(cmbsz, 1); 648849e03457SKlaus Jensen NVME_CMBSZ_SET_CQS(cmbsz, 0); 648949e03457SKlaus Jensen NVME_CMBSZ_SET_LISTS(cmbsz, 1); 649049e03457SKlaus Jensen NVME_CMBSZ_SET_RDS(cmbsz, 1); 649149e03457SKlaus Jensen NVME_CMBSZ_SET_WDS(cmbsz, 1); 649249e03457SKlaus Jensen NVME_CMBSZ_SET_SZU(cmbsz, 2); /* MBs */ 649349e03457SKlaus Jensen NVME_CMBSZ_SET_SZ(cmbsz, n->params.cmb_size_mb); 649449e03457SKlaus Jensen stl_le_p(&n->bar.cmbsz, cmbsz); 649588eea45cSKlaus Jensen } 649688eea45cSKlaus Jensen 649788eea45cSKlaus Jensen static void nvme_write_bar(NvmeCtrl *n, hwaddr offset, uint64_t data, 649888eea45cSKlaus Jensen unsigned size) 649988eea45cSKlaus Jensen { 650048b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 650149e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 650249e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 650349e03457SKlaus Jensen uint32_t intms = ldl_le_p(&n->bar.intms); 650449e03457SKlaus Jensen uint32_t csts = ldl_le_p(&n->bar.csts); 650549e03457SKlaus Jensen uint32_t pmrsts = ldl_le_p(&n->bar.pmrsts); 650649e03457SKlaus Jensen 650788eea45cSKlaus Jensen if (unlikely(offset & (sizeof(uint32_t) - 1))) { 650888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_misaligned32, 650988eea45cSKlaus Jensen "MMIO write not 32-bit aligned," 651088eea45cSKlaus Jensen " offset=0x%"PRIx64"", offset); 651188eea45cSKlaus Jensen /* should be ignored, fall through for now */ 651288eea45cSKlaus Jensen } 651388eea45cSKlaus Jensen 651488eea45cSKlaus Jensen if (unlikely(size < sizeof(uint32_t))) { 651588eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_toosmall, 651688eea45cSKlaus Jensen "MMIO write smaller than 32-bits," 651788eea45cSKlaus Jensen " offset=0x%"PRIx64", size=%u", 651888eea45cSKlaus Jensen offset, size); 651988eea45cSKlaus Jensen /* should be ignored, fall through for now */ 652088eea45cSKlaus Jensen } 652188eea45cSKlaus Jensen 652288eea45cSKlaus Jensen switch (offset) { 6523a316aa50SKlaus Jensen case NVME_REG_INTMS: 652448b32c28SKlaus Jensen if (unlikely(msix_enabled(pci))) { 652588eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_intmask_with_msix, 652688eea45cSKlaus Jensen "undefined access to interrupt mask set" 652788eea45cSKlaus Jensen " when MSI-X is enabled"); 652888eea45cSKlaus Jensen /* should be ignored, fall through for now */ 652988eea45cSKlaus Jensen } 653049e03457SKlaus Jensen intms |= data; 653149e03457SKlaus Jensen stl_le_p(&n->bar.intms, intms); 653288eea45cSKlaus Jensen n->bar.intmc = n->bar.intms; 653349e03457SKlaus Jensen trace_pci_nvme_mmio_intm_set(data & 0xffffffff, intms); 653488eea45cSKlaus Jensen nvme_irq_check(n); 653588eea45cSKlaus Jensen break; 6536a316aa50SKlaus Jensen case NVME_REG_INTMC: 653748b32c28SKlaus Jensen if (unlikely(msix_enabled(pci))) { 653888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_intmask_with_msix, 653988eea45cSKlaus Jensen "undefined access to interrupt mask clr" 654088eea45cSKlaus Jensen " when MSI-X is enabled"); 654188eea45cSKlaus Jensen /* should be ignored, fall through for now */ 654288eea45cSKlaus Jensen } 654349e03457SKlaus Jensen intms &= ~data; 654449e03457SKlaus Jensen stl_le_p(&n->bar.intms, intms); 654588eea45cSKlaus Jensen n->bar.intmc = n->bar.intms; 654649e03457SKlaus Jensen trace_pci_nvme_mmio_intm_clr(data & 0xffffffff, intms); 654788eea45cSKlaus Jensen nvme_irq_check(n); 654888eea45cSKlaus Jensen break; 6549a316aa50SKlaus Jensen case NVME_REG_CC: 6550cc9bcee2SKlaus Jensen stl_le_p(&n->bar.cc, data); 6551cc9bcee2SKlaus Jensen 655288eea45cSKlaus Jensen trace_pci_nvme_mmio_cfg(data & 0xffffffff); 655349e03457SKlaus Jensen 6554cc9bcee2SKlaus Jensen if (NVME_CC_SHN(data) && !(NVME_CC_SHN(cc))) { 6555cc9bcee2SKlaus Jensen trace_pci_nvme_mmio_shutdown_set(); 6556cc9bcee2SKlaus Jensen nvme_ctrl_shutdown(n); 6557cc9bcee2SKlaus Jensen csts &= ~(CSTS_SHST_MASK << CSTS_SHST_SHIFT); 6558cc9bcee2SKlaus Jensen csts |= NVME_CSTS_SHST_COMPLETE; 6559cc9bcee2SKlaus Jensen } else if (!NVME_CC_SHN(data) && NVME_CC_SHN(cc)) { 6560cc9bcee2SKlaus Jensen trace_pci_nvme_mmio_shutdown_cleared(); 6561cc9bcee2SKlaus Jensen csts &= ~(CSTS_SHST_MASK << CSTS_SHST_SHIFT); 656288eea45cSKlaus Jensen } 656388eea45cSKlaus Jensen 656449e03457SKlaus Jensen if (NVME_CC_EN(data) && !NVME_CC_EN(cc)) { 656588eea45cSKlaus Jensen if (unlikely(nvme_start_ctrl(n))) { 656688eea45cSKlaus Jensen trace_pci_nvme_err_startfail(); 656749e03457SKlaus Jensen csts = NVME_CSTS_FAILED; 656888eea45cSKlaus Jensen } else { 656988eea45cSKlaus Jensen trace_pci_nvme_mmio_start_success(); 657049e03457SKlaus Jensen csts = NVME_CSTS_READY; 657188eea45cSKlaus Jensen } 657249e03457SKlaus Jensen } else if (!NVME_CC_EN(data) && NVME_CC_EN(cc)) { 657388eea45cSKlaus Jensen trace_pci_nvme_mmio_stopped(); 65741e9c685eSŁukasz Gieryk nvme_ctrl_reset(n, NVME_RESET_CONTROLLER); 6575cc9bcee2SKlaus Jensen 6576cc9bcee2SKlaus Jensen break; 657788eea45cSKlaus Jensen } 657849e03457SKlaus Jensen 657949e03457SKlaus Jensen stl_le_p(&n->bar.csts, csts); 658049e03457SKlaus Jensen 658188eea45cSKlaus Jensen break; 6582a316aa50SKlaus Jensen case NVME_REG_CSTS: 658388eea45cSKlaus Jensen if (data & (1 << 4)) { 658488eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_ssreset_w1c_unsupported, 658588eea45cSKlaus Jensen "attempted to W1C CSTS.NSSRO" 658688eea45cSKlaus Jensen " but CAP.NSSRS is zero (not supported)"); 658788eea45cSKlaus Jensen } else if (data != 0) { 658888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_ro_csts, 658988eea45cSKlaus Jensen "attempted to set a read only bit" 659088eea45cSKlaus Jensen " of controller status"); 659188eea45cSKlaus Jensen } 659288eea45cSKlaus Jensen break; 6593a316aa50SKlaus Jensen case NVME_REG_NSSR: 659488eea45cSKlaus Jensen if (data == 0x4e564d65) { 659588eea45cSKlaus Jensen trace_pci_nvme_ub_mmiowr_ssreset_unsupported(); 659688eea45cSKlaus Jensen } else { 659788eea45cSKlaus Jensen /* The spec says that writes of other values have no effect */ 659888eea45cSKlaus Jensen return; 659988eea45cSKlaus Jensen } 660088eea45cSKlaus Jensen break; 6601a316aa50SKlaus Jensen case NVME_REG_AQA: 660249e03457SKlaus Jensen stl_le_p(&n->bar.aqa, data); 660388eea45cSKlaus Jensen trace_pci_nvme_mmio_aqattr(data & 0xffffffff); 660488eea45cSKlaus Jensen break; 6605a316aa50SKlaus Jensen case NVME_REG_ASQ: 660649e03457SKlaus Jensen stn_le_p(&n->bar.asq, size, data); 660788eea45cSKlaus Jensen trace_pci_nvme_mmio_asqaddr(data); 660888eea45cSKlaus Jensen break; 6609a316aa50SKlaus Jensen case NVME_REG_ASQ + 4: 661049e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.asq + 4, data); 661149e03457SKlaus Jensen trace_pci_nvme_mmio_asqaddr_hi(data, ldq_le_p(&n->bar.asq)); 661288eea45cSKlaus Jensen break; 6613a316aa50SKlaus Jensen case NVME_REG_ACQ: 661488eea45cSKlaus Jensen trace_pci_nvme_mmio_acqaddr(data); 661549e03457SKlaus Jensen stn_le_p(&n->bar.acq, size, data); 661688eea45cSKlaus Jensen break; 6617a316aa50SKlaus Jensen case NVME_REG_ACQ + 4: 661849e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.acq + 4, data); 661949e03457SKlaus Jensen trace_pci_nvme_mmio_acqaddr_hi(data, ldq_le_p(&n->bar.acq)); 662088eea45cSKlaus Jensen break; 6621a316aa50SKlaus Jensen case NVME_REG_CMBLOC: 662288eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_cmbloc_reserved, 662388eea45cSKlaus Jensen "invalid write to reserved CMBLOC" 662488eea45cSKlaus Jensen " when CMBSZ is zero, ignored"); 662588eea45cSKlaus Jensen return; 6626a316aa50SKlaus Jensen case NVME_REG_CMBSZ: 662788eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_cmbsz_readonly, 662888eea45cSKlaus Jensen "invalid write to read only CMBSZ, ignored"); 662988eea45cSKlaus Jensen return; 6630a316aa50SKlaus Jensen case NVME_REG_CMBMSC: 663149e03457SKlaus Jensen if (!NVME_CAP_CMBS(cap)) { 663288eea45cSKlaus Jensen return; 663388eea45cSKlaus Jensen } 663488eea45cSKlaus Jensen 663549e03457SKlaus Jensen stn_le_p(&n->bar.cmbmsc, size, data); 663688eea45cSKlaus Jensen n->cmb.cmse = false; 663788eea45cSKlaus Jensen 663888eea45cSKlaus Jensen if (NVME_CMBMSC_CRE(data)) { 663988eea45cSKlaus Jensen nvme_cmb_enable_regs(n); 664088eea45cSKlaus Jensen 664188eea45cSKlaus Jensen if (NVME_CMBMSC_CMSE(data)) { 664249e03457SKlaus Jensen uint64_t cmbmsc = ldq_le_p(&n->bar.cmbmsc); 664349e03457SKlaus Jensen hwaddr cba = NVME_CMBMSC_CBA(cmbmsc) << CMBMSC_CBA_SHIFT; 664488eea45cSKlaus Jensen if (cba + int128_get64(n->cmb.mem.size) < cba) { 664549e03457SKlaus Jensen uint32_t cmbsts = ldl_le_p(&n->bar.cmbsts); 664649e03457SKlaus Jensen NVME_CMBSTS_SET_CBAI(cmbsts, 1); 664749e03457SKlaus Jensen stl_le_p(&n->bar.cmbsts, cmbsts); 664888eea45cSKlaus Jensen return; 664988eea45cSKlaus Jensen } 665088eea45cSKlaus Jensen 665188eea45cSKlaus Jensen n->cmb.cba = cba; 665288eea45cSKlaus Jensen n->cmb.cmse = true; 665388eea45cSKlaus Jensen } 665488eea45cSKlaus Jensen } else { 665588eea45cSKlaus Jensen n->bar.cmbsz = 0; 665688eea45cSKlaus Jensen n->bar.cmbloc = 0; 665788eea45cSKlaus Jensen } 665888eea45cSKlaus Jensen 665988eea45cSKlaus Jensen return; 6660a316aa50SKlaus Jensen case NVME_REG_CMBMSC + 4: 666149e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.cmbmsc + 4, data); 666288eea45cSKlaus Jensen return; 666388eea45cSKlaus Jensen 6664a316aa50SKlaus Jensen case NVME_REG_PMRCAP: 666588eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrcap_readonly, 666688eea45cSKlaus Jensen "invalid write to PMRCAP register, ignored"); 666788eea45cSKlaus Jensen return; 6668a316aa50SKlaus Jensen case NVME_REG_PMRCTL: 666949e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 66702b02aabcSKlaus Jensen return; 66712b02aabcSKlaus Jensen } 66722b02aabcSKlaus Jensen 667349e03457SKlaus Jensen stl_le_p(&n->bar.pmrctl, data); 667488eea45cSKlaus Jensen if (NVME_PMRCTL_EN(data)) { 667588eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, true); 667649e03457SKlaus Jensen pmrsts = 0; 667788eea45cSKlaus Jensen } else { 667888eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, false); 667949e03457SKlaus Jensen NVME_PMRSTS_SET_NRDY(pmrsts, 1); 668088eea45cSKlaus Jensen n->pmr.cmse = false; 668188eea45cSKlaus Jensen } 668249e03457SKlaus Jensen stl_le_p(&n->bar.pmrsts, pmrsts); 668388eea45cSKlaus Jensen return; 6684a316aa50SKlaus Jensen case NVME_REG_PMRSTS: 668588eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrsts_readonly, 668688eea45cSKlaus Jensen "invalid write to PMRSTS register, ignored"); 668788eea45cSKlaus Jensen return; 6688a316aa50SKlaus Jensen case NVME_REG_PMREBS: 668988eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrebs_readonly, 669088eea45cSKlaus Jensen "invalid write to PMREBS register, ignored"); 669188eea45cSKlaus Jensen return; 6692a316aa50SKlaus Jensen case NVME_REG_PMRSWTP: 669388eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrswtp_readonly, 669488eea45cSKlaus Jensen "invalid write to PMRSWTP register, ignored"); 669588eea45cSKlaus Jensen return; 6696a316aa50SKlaus Jensen case NVME_REG_PMRMSCL: 669749e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 669888eea45cSKlaus Jensen return; 669988eea45cSKlaus Jensen } 670088eea45cSKlaus Jensen 670149e03457SKlaus Jensen stl_le_p(&n->bar.pmrmscl, data); 670288eea45cSKlaus Jensen n->pmr.cmse = false; 670388eea45cSKlaus Jensen 670449e03457SKlaus Jensen if (NVME_PMRMSCL_CMSE(data)) { 670549e03457SKlaus Jensen uint64_t pmrmscu = ldl_le_p(&n->bar.pmrmscu); 670649e03457SKlaus Jensen hwaddr cba = pmrmscu << 32 | 670749e03457SKlaus Jensen (NVME_PMRMSCL_CBA(data) << PMRMSCL_CBA_SHIFT); 670888eea45cSKlaus Jensen if (cba + int128_get64(n->pmr.dev->mr.size) < cba) { 670949e03457SKlaus Jensen NVME_PMRSTS_SET_CBAI(pmrsts, 1); 671049e03457SKlaus Jensen stl_le_p(&n->bar.pmrsts, pmrsts); 671188eea45cSKlaus Jensen return; 671288eea45cSKlaus Jensen } 671388eea45cSKlaus Jensen 671488eea45cSKlaus Jensen n->pmr.cmse = true; 671588eea45cSKlaus Jensen n->pmr.cba = cba; 671688eea45cSKlaus Jensen } 671788eea45cSKlaus Jensen 671888eea45cSKlaus Jensen return; 6719a316aa50SKlaus Jensen case NVME_REG_PMRMSCU: 672049e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 672188eea45cSKlaus Jensen return; 672288eea45cSKlaus Jensen } 672388eea45cSKlaus Jensen 672449e03457SKlaus Jensen stl_le_p(&n->bar.pmrmscu, data); 672588eea45cSKlaus Jensen return; 672688eea45cSKlaus Jensen default: 672788eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_invalid, 672888eea45cSKlaus Jensen "invalid MMIO write," 672988eea45cSKlaus Jensen " offset=0x%"PRIx64", data=%"PRIx64"", 673088eea45cSKlaus Jensen offset, data); 673188eea45cSKlaus Jensen break; 673288eea45cSKlaus Jensen } 673388eea45cSKlaus Jensen } 673488eea45cSKlaus Jensen 673588eea45cSKlaus Jensen static uint64_t nvme_mmio_read(void *opaque, hwaddr addr, unsigned size) 673688eea45cSKlaus Jensen { 673788eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 673888eea45cSKlaus Jensen uint8_t *ptr = (uint8_t *)&n->bar; 673988eea45cSKlaus Jensen 674088eea45cSKlaus Jensen trace_pci_nvme_mmio_read(addr, size); 674188eea45cSKlaus Jensen 674288eea45cSKlaus Jensen if (unlikely(addr & (sizeof(uint32_t) - 1))) { 674388eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_misaligned32, 674488eea45cSKlaus Jensen "MMIO read not 32-bit aligned," 674588eea45cSKlaus Jensen " offset=0x%"PRIx64"", addr); 674688eea45cSKlaus Jensen /* should RAZ, fall through for now */ 674788eea45cSKlaus Jensen } else if (unlikely(size < sizeof(uint32_t))) { 674888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_toosmall, 674988eea45cSKlaus Jensen "MMIO read smaller than 32-bits," 675088eea45cSKlaus Jensen " offset=0x%"PRIx64"", addr); 675188eea45cSKlaus Jensen /* should RAZ, fall through for now */ 675288eea45cSKlaus Jensen } 675388eea45cSKlaus Jensen 67545029de44SKlaus Jensen if (addr > sizeof(n->bar) - size) { 67555029de44SKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_invalid_ofs, 67565029de44SKlaus Jensen "MMIO read beyond last register," 67575029de44SKlaus Jensen " offset=0x%"PRIx64", returning 0", addr); 67585029de44SKlaus Jensen 67595029de44SKlaus Jensen return 0; 67605029de44SKlaus Jensen } 67615029de44SKlaus Jensen 676248b32c28SKlaus Jensen if (pci_is_vf(PCI_DEVICE(n)) && !nvme_sctrl(n)->scs && 676311871f53SŁukasz Gieryk addr != NVME_REG_CSTS) { 676411871f53SŁukasz Gieryk trace_pci_nvme_err_ignored_mmio_vf_offline(addr, size); 676511871f53SŁukasz Gieryk return 0; 676611871f53SŁukasz Gieryk } 676711871f53SŁukasz Gieryk 676888eea45cSKlaus Jensen /* 676988eea45cSKlaus Jensen * When PMRWBM bit 1 is set then read from 677088eea45cSKlaus Jensen * from PMRSTS should ensure prior writes 677188eea45cSKlaus Jensen * made it to persistent media 677288eea45cSKlaus Jensen */ 6773a316aa50SKlaus Jensen if (addr == NVME_REG_PMRSTS && 677449e03457SKlaus Jensen (NVME_PMRCAP_PMRWBM(ldl_le_p(&n->bar.pmrcap)) & 0x02)) { 677588eea45cSKlaus Jensen memory_region_msync(&n->pmr.dev->mr, 0, n->pmr.dev->size); 677688eea45cSKlaus Jensen } 67775029de44SKlaus Jensen 677849e03457SKlaus Jensen return ldn_le_p(ptr + addr, size); 677988eea45cSKlaus Jensen } 678088eea45cSKlaus Jensen 678188eea45cSKlaus Jensen static void nvme_process_db(NvmeCtrl *n, hwaddr addr, int val) 678288eea45cSKlaus Jensen { 678348b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 678488eea45cSKlaus Jensen uint32_t qid; 678588eea45cSKlaus Jensen 678688eea45cSKlaus Jensen if (unlikely(addr & ((1 << 2) - 1))) { 678788eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_misaligned, 678888eea45cSKlaus Jensen "doorbell write not 32-bit aligned," 678988eea45cSKlaus Jensen " offset=0x%"PRIx64", ignoring", addr); 679088eea45cSKlaus Jensen return; 679188eea45cSKlaus Jensen } 679288eea45cSKlaus Jensen 679388eea45cSKlaus Jensen if (((addr - 0x1000) >> 2) & 1) { 679488eea45cSKlaus Jensen /* Completion queue doorbell write */ 679588eea45cSKlaus Jensen 679688eea45cSKlaus Jensen uint16_t new_head = val & 0xffff; 679788eea45cSKlaus Jensen int start_sqs; 679888eea45cSKlaus Jensen NvmeCQueue *cq; 679988eea45cSKlaus Jensen 680088eea45cSKlaus Jensen qid = (addr - (0x1000 + (1 << 2))) >> 3; 680188eea45cSKlaus Jensen if (unlikely(nvme_check_cqid(n, qid))) { 680288eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_cq, 680388eea45cSKlaus Jensen "completion queue doorbell write" 680488eea45cSKlaus Jensen " for nonexistent queue," 680588eea45cSKlaus Jensen " sqid=%"PRIu32", ignoring", qid); 680688eea45cSKlaus Jensen 680788eea45cSKlaus Jensen /* 680888eea45cSKlaus Jensen * NVM Express v1.3d, Section 4.1 state: "If host software writes 680988eea45cSKlaus Jensen * an invalid value to the Submission Queue Tail Doorbell or 681088eea45cSKlaus Jensen * Completion Queue Head Doorbell regiter and an Asynchronous Event 681188eea45cSKlaus Jensen * Request command is outstanding, then an asynchronous event is 681288eea45cSKlaus Jensen * posted to the Admin Completion Queue with a status code of 681388eea45cSKlaus Jensen * Invalid Doorbell Write Value." 681488eea45cSKlaus Jensen * 681588eea45cSKlaus Jensen * Also note that the spec includes the "Invalid Doorbell Register" 681688eea45cSKlaus Jensen * status code, but nowhere does it specify when to use it. 681788eea45cSKlaus Jensen * However, it seems reasonable to use it here in a similar 681888eea45cSKlaus Jensen * fashion. 681988eea45cSKlaus Jensen */ 682088eea45cSKlaus Jensen if (n->outstanding_aers) { 682188eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 682288eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_REGISTER, 682388eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 682488eea45cSKlaus Jensen } 682588eea45cSKlaus Jensen 682688eea45cSKlaus Jensen return; 682788eea45cSKlaus Jensen } 682888eea45cSKlaus Jensen 682988eea45cSKlaus Jensen cq = n->cq[qid]; 683088eea45cSKlaus Jensen if (unlikely(new_head >= cq->size)) { 683188eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_cqhead, 683288eea45cSKlaus Jensen "completion queue doorbell write value" 683388eea45cSKlaus Jensen " beyond queue size, sqid=%"PRIu32"," 683488eea45cSKlaus Jensen " new_head=%"PRIu16", ignoring", 683588eea45cSKlaus Jensen qid, new_head); 683688eea45cSKlaus Jensen 683788eea45cSKlaus Jensen if (n->outstanding_aers) { 683888eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 683988eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_VALUE, 684088eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 684188eea45cSKlaus Jensen } 684288eea45cSKlaus Jensen 684388eea45cSKlaus Jensen return; 684488eea45cSKlaus Jensen } 684588eea45cSKlaus Jensen 684688eea45cSKlaus Jensen trace_pci_nvme_mmio_doorbell_cq(cq->cqid, new_head); 684788eea45cSKlaus Jensen 684888eea45cSKlaus Jensen start_sqs = nvme_cq_full(cq) ? 1 : 0; 684988eea45cSKlaus Jensen cq->head = new_head; 68503f7fe8deSJinhao Fan if (!qid && n->dbbuf_enabled) { 685148b32c28SKlaus Jensen pci_dma_write(pci, cq->db_addr, &cq->head, sizeof(cq->head)); 68523f7fe8deSJinhao Fan } 685388eea45cSKlaus Jensen if (start_sqs) { 685488eea45cSKlaus Jensen NvmeSQueue *sq; 685588eea45cSKlaus Jensen QTAILQ_FOREACH(sq, &cq->sq_list, entry) { 6856d38cc6fdSKlaus Jensen qemu_bh_schedule(sq->bh); 685788eea45cSKlaus Jensen } 6858d38cc6fdSKlaus Jensen qemu_bh_schedule(cq->bh); 685988eea45cSKlaus Jensen } 686088eea45cSKlaus Jensen 686188eea45cSKlaus Jensen if (cq->tail == cq->head) { 686283d7ed5cSKlaus Jensen if (cq->irq_enabled) { 686383d7ed5cSKlaus Jensen n->cq_pending--; 686483d7ed5cSKlaus Jensen } 686583d7ed5cSKlaus Jensen 686688eea45cSKlaus Jensen nvme_irq_deassert(n, cq); 686788eea45cSKlaus Jensen } 686888eea45cSKlaus Jensen } else { 686988eea45cSKlaus Jensen /* Submission queue doorbell write */ 687088eea45cSKlaus Jensen 687188eea45cSKlaus Jensen uint16_t new_tail = val & 0xffff; 687288eea45cSKlaus Jensen NvmeSQueue *sq; 687388eea45cSKlaus Jensen 687488eea45cSKlaus Jensen qid = (addr - 0x1000) >> 3; 687588eea45cSKlaus Jensen if (unlikely(nvme_check_sqid(n, qid))) { 687688eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_sq, 687788eea45cSKlaus Jensen "submission queue doorbell write" 687888eea45cSKlaus Jensen " for nonexistent queue," 687988eea45cSKlaus Jensen " sqid=%"PRIu32", ignoring", qid); 688088eea45cSKlaus Jensen 688188eea45cSKlaus Jensen if (n->outstanding_aers) { 688288eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 688388eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_REGISTER, 688488eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 688588eea45cSKlaus Jensen } 688688eea45cSKlaus Jensen 688788eea45cSKlaus Jensen return; 688888eea45cSKlaus Jensen } 688988eea45cSKlaus Jensen 689088eea45cSKlaus Jensen sq = n->sq[qid]; 689188eea45cSKlaus Jensen if (unlikely(new_tail >= sq->size)) { 689288eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_sqtail, 689388eea45cSKlaus Jensen "submission queue doorbell write value" 689488eea45cSKlaus Jensen " beyond queue size, sqid=%"PRIu32"," 689588eea45cSKlaus Jensen " new_tail=%"PRIu16", ignoring", 689688eea45cSKlaus Jensen qid, new_tail); 689788eea45cSKlaus Jensen 689888eea45cSKlaus Jensen if (n->outstanding_aers) { 689988eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 690088eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_VALUE, 690188eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 690288eea45cSKlaus Jensen } 690388eea45cSKlaus Jensen 690488eea45cSKlaus Jensen return; 690588eea45cSKlaus Jensen } 690688eea45cSKlaus Jensen 690788eea45cSKlaus Jensen trace_pci_nvme_mmio_doorbell_sq(sq->sqid, new_tail); 690888eea45cSKlaus Jensen 690988eea45cSKlaus Jensen sq->tail = new_tail; 69103f7fe8deSJinhao Fan if (!qid && n->dbbuf_enabled) { 69113f7fe8deSJinhao Fan /* 69123f7fe8deSJinhao Fan * The spec states "the host shall also update the controller's 69133f7fe8deSJinhao Fan * corresponding doorbell property to match the value of that entry 69143f7fe8deSJinhao Fan * in the Shadow Doorbell buffer." 69153f7fe8deSJinhao Fan * 69163f7fe8deSJinhao Fan * Since this context is currently a VM trap, we can safely enforce 69173f7fe8deSJinhao Fan * the requirement from the device side in case the host is 69183f7fe8deSJinhao Fan * misbehaving. 69193f7fe8deSJinhao Fan * 69203f7fe8deSJinhao Fan * Note, we shouldn't have to do this, but various drivers 69213f7fe8deSJinhao Fan * including ones that run on Linux, are not updating Admin Queues, 69223f7fe8deSJinhao Fan * so we can't trust reading it for an appropriate sq tail. 69233f7fe8deSJinhao Fan */ 692448b32c28SKlaus Jensen pci_dma_write(pci, sq->db_addr, &sq->tail, sizeof(sq->tail)); 69253f7fe8deSJinhao Fan } 6926d38cc6fdSKlaus Jensen 6927d38cc6fdSKlaus Jensen qemu_bh_schedule(sq->bh); 692888eea45cSKlaus Jensen } 692988eea45cSKlaus Jensen } 693088eea45cSKlaus Jensen 693188eea45cSKlaus Jensen static void nvme_mmio_write(void *opaque, hwaddr addr, uint64_t data, 693288eea45cSKlaus Jensen unsigned size) 693388eea45cSKlaus Jensen { 693488eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 693588eea45cSKlaus Jensen 693688eea45cSKlaus Jensen trace_pci_nvme_mmio_write(addr, data, size); 693788eea45cSKlaus Jensen 693848b32c28SKlaus Jensen if (pci_is_vf(PCI_DEVICE(n)) && !nvme_sctrl(n)->scs && 693911871f53SŁukasz Gieryk addr != NVME_REG_CSTS) { 694011871f53SŁukasz Gieryk trace_pci_nvme_err_ignored_mmio_vf_offline(addr, size); 694111871f53SŁukasz Gieryk return; 694211871f53SŁukasz Gieryk } 694311871f53SŁukasz Gieryk 694488eea45cSKlaus Jensen if (addr < sizeof(n->bar)) { 694588eea45cSKlaus Jensen nvme_write_bar(n, addr, data, size); 694688eea45cSKlaus Jensen } else { 694788eea45cSKlaus Jensen nvme_process_db(n, addr, data); 694888eea45cSKlaus Jensen } 694988eea45cSKlaus Jensen } 695088eea45cSKlaus Jensen 695188eea45cSKlaus Jensen static const MemoryRegionOps nvme_mmio_ops = { 695288eea45cSKlaus Jensen .read = nvme_mmio_read, 695388eea45cSKlaus Jensen .write = nvme_mmio_write, 695488eea45cSKlaus Jensen .endianness = DEVICE_LITTLE_ENDIAN, 695588eea45cSKlaus Jensen .impl = { 695688eea45cSKlaus Jensen .min_access_size = 2, 695788eea45cSKlaus Jensen .max_access_size = 8, 695888eea45cSKlaus Jensen }, 695988eea45cSKlaus Jensen }; 696088eea45cSKlaus Jensen 696188eea45cSKlaus Jensen static void nvme_cmb_write(void *opaque, hwaddr addr, uint64_t data, 696288eea45cSKlaus Jensen unsigned size) 696388eea45cSKlaus Jensen { 696488eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 696588eea45cSKlaus Jensen stn_le_p(&n->cmb.buf[addr], size, data); 696688eea45cSKlaus Jensen } 696788eea45cSKlaus Jensen 696888eea45cSKlaus Jensen static uint64_t nvme_cmb_read(void *opaque, hwaddr addr, unsigned size) 696988eea45cSKlaus Jensen { 697088eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 697188eea45cSKlaus Jensen return ldn_le_p(&n->cmb.buf[addr], size); 697288eea45cSKlaus Jensen } 697388eea45cSKlaus Jensen 697488eea45cSKlaus Jensen static const MemoryRegionOps nvme_cmb_ops = { 697588eea45cSKlaus Jensen .read = nvme_cmb_read, 697688eea45cSKlaus Jensen .write = nvme_cmb_write, 697788eea45cSKlaus Jensen .endianness = DEVICE_LITTLE_ENDIAN, 697888eea45cSKlaus Jensen .impl = { 697988eea45cSKlaus Jensen .min_access_size = 1, 698088eea45cSKlaus Jensen .max_access_size = 8, 698188eea45cSKlaus Jensen }, 698288eea45cSKlaus Jensen }; 698388eea45cSKlaus Jensen 6984*784fd353SKlaus Jensen static bool nvme_check_params(NvmeCtrl *n, Error **errp) 698588eea45cSKlaus Jensen { 698688eea45cSKlaus Jensen NvmeParams *params = &n->params; 698788eea45cSKlaus Jensen 698888eea45cSKlaus Jensen if (params->num_queues) { 698988eea45cSKlaus Jensen warn_report("num_queues is deprecated; please use max_ioqpairs " 699088eea45cSKlaus Jensen "instead"); 699188eea45cSKlaus Jensen 699288eea45cSKlaus Jensen params->max_ioqpairs = params->num_queues - 1; 699388eea45cSKlaus Jensen } 699488eea45cSKlaus Jensen 699588eea45cSKlaus Jensen if (n->namespace.blkconf.blk && n->subsys) { 699688eea45cSKlaus Jensen error_setg(errp, "subsystem support is unavailable with legacy " 699788eea45cSKlaus Jensen "namespace ('drive' property)"); 6998*784fd353SKlaus Jensen return false; 699988eea45cSKlaus Jensen } 700088eea45cSKlaus Jensen 700188eea45cSKlaus Jensen if (params->max_ioqpairs < 1 || 700288eea45cSKlaus Jensen params->max_ioqpairs > NVME_MAX_IOQPAIRS) { 700388eea45cSKlaus Jensen error_setg(errp, "max_ioqpairs must be between 1 and %d", 700488eea45cSKlaus Jensen NVME_MAX_IOQPAIRS); 7005*784fd353SKlaus Jensen return false; 700688eea45cSKlaus Jensen } 700788eea45cSKlaus Jensen 700888eea45cSKlaus Jensen if (params->msix_qsize < 1 || 700988eea45cSKlaus Jensen params->msix_qsize > PCI_MSIX_FLAGS_QSIZE + 1) { 701088eea45cSKlaus Jensen error_setg(errp, "msix_qsize must be between 1 and %d", 701188eea45cSKlaus Jensen PCI_MSIX_FLAGS_QSIZE + 1); 7012*784fd353SKlaus Jensen return false; 701388eea45cSKlaus Jensen } 701488eea45cSKlaus Jensen 701588eea45cSKlaus Jensen if (!params->serial) { 701688eea45cSKlaus Jensen error_setg(errp, "serial property not set"); 7017*784fd353SKlaus Jensen return false; 701888eea45cSKlaus Jensen } 701988eea45cSKlaus Jensen 702088eea45cSKlaus Jensen if (n->pmr.dev) { 702188eea45cSKlaus Jensen if (host_memory_backend_is_mapped(n->pmr.dev)) { 702288eea45cSKlaus Jensen error_setg(errp, "can't use already busy memdev: %s", 702388eea45cSKlaus Jensen object_get_canonical_path_component(OBJECT(n->pmr.dev))); 7024*784fd353SKlaus Jensen return false; 702588eea45cSKlaus Jensen } 702688eea45cSKlaus Jensen 702788eea45cSKlaus Jensen if (!is_power_of_2(n->pmr.dev->size)) { 702888eea45cSKlaus Jensen error_setg(errp, "pmr backend size needs to be power of 2 in size"); 7029*784fd353SKlaus Jensen return false; 703088eea45cSKlaus Jensen } 703188eea45cSKlaus Jensen 703288eea45cSKlaus Jensen host_memory_backend_set_mapped(n->pmr.dev, true); 703388eea45cSKlaus Jensen } 703488eea45cSKlaus Jensen 703588eea45cSKlaus Jensen if (n->params.zasl > n->params.mdts) { 703688eea45cSKlaus Jensen error_setg(errp, "zoned.zasl (Zone Append Size Limit) must be less " 703788eea45cSKlaus Jensen "than or equal to mdts (Maximum Data Transfer Size)"); 7038*784fd353SKlaus Jensen return false; 703988eea45cSKlaus Jensen } 704088eea45cSKlaus Jensen 704188eea45cSKlaus Jensen if (!n->params.vsl) { 704288eea45cSKlaus Jensen error_setg(errp, "vsl must be non-zero"); 7043*784fd353SKlaus Jensen return false; 704488eea45cSKlaus Jensen } 704544c2c094SLukasz Maniak 704644c2c094SLukasz Maniak if (params->sriov_max_vfs) { 704744c2c094SLukasz Maniak if (!n->subsys) { 704844c2c094SLukasz Maniak error_setg(errp, "subsystem is required for the use of SR-IOV"); 7049*784fd353SKlaus Jensen return false; 705044c2c094SLukasz Maniak } 705144c2c094SLukasz Maniak 705244c2c094SLukasz Maniak if (params->sriov_max_vfs > NVME_MAX_VFS) { 705344c2c094SLukasz Maniak error_setg(errp, "sriov_max_vfs must be between 0 and %d", 705444c2c094SLukasz Maniak NVME_MAX_VFS); 7055*784fd353SKlaus Jensen return false; 705644c2c094SLukasz Maniak } 705744c2c094SLukasz Maniak 705844c2c094SLukasz Maniak if (params->cmb_size_mb) { 705944c2c094SLukasz Maniak error_setg(errp, "CMB is not supported with SR-IOV"); 7060*784fd353SKlaus Jensen return false; 706144c2c094SLukasz Maniak } 706244c2c094SLukasz Maniak 706344c2c094SLukasz Maniak if (n->pmr.dev) { 706444c2c094SLukasz Maniak error_setg(errp, "PMR is not supported with SR-IOV"); 7065*784fd353SKlaus Jensen return false; 706644c2c094SLukasz Maniak } 7067746d42b1SŁukasz Gieryk 7068746d42b1SŁukasz Gieryk if (!params->sriov_vq_flexible || !params->sriov_vi_flexible) { 7069746d42b1SŁukasz Gieryk error_setg(errp, "both sriov_vq_flexible and sriov_vi_flexible" 7070746d42b1SŁukasz Gieryk " must be set for the use of SR-IOV"); 7071*784fd353SKlaus Jensen return false; 7072746d42b1SŁukasz Gieryk } 7073746d42b1SŁukasz Gieryk 7074746d42b1SŁukasz Gieryk if (params->sriov_vq_flexible < params->sriov_max_vfs * 2) { 7075746d42b1SŁukasz Gieryk error_setg(errp, "sriov_vq_flexible must be greater than or equal" 7076746d42b1SŁukasz Gieryk " to %d (sriov_max_vfs * 2)", params->sriov_max_vfs * 2); 7077*784fd353SKlaus Jensen return false; 7078746d42b1SŁukasz Gieryk } 7079746d42b1SŁukasz Gieryk 7080746d42b1SŁukasz Gieryk if (params->max_ioqpairs < params->sriov_vq_flexible + 2) { 7081746d42b1SŁukasz Gieryk error_setg(errp, "(max_ioqpairs - sriov_vq_flexible) must be" 7082746d42b1SŁukasz Gieryk " greater than or equal to 2"); 7083*784fd353SKlaus Jensen return false; 7084746d42b1SŁukasz Gieryk } 7085746d42b1SŁukasz Gieryk 7086746d42b1SŁukasz Gieryk if (params->sriov_vi_flexible < params->sriov_max_vfs) { 7087746d42b1SŁukasz Gieryk error_setg(errp, "sriov_vi_flexible must be greater than or equal" 7088746d42b1SŁukasz Gieryk " to %d (sriov_max_vfs)", params->sriov_max_vfs); 7089*784fd353SKlaus Jensen return false; 7090746d42b1SŁukasz Gieryk } 7091746d42b1SŁukasz Gieryk 7092746d42b1SŁukasz Gieryk if (params->msix_qsize < params->sriov_vi_flexible + 1) { 7093746d42b1SŁukasz Gieryk error_setg(errp, "(msix_qsize - sriov_vi_flexible) must be" 7094746d42b1SŁukasz Gieryk " greater than or equal to 1"); 7095*784fd353SKlaus Jensen return false; 7096746d42b1SŁukasz Gieryk } 7097746d42b1SŁukasz Gieryk 7098746d42b1SŁukasz Gieryk if (params->sriov_max_vi_per_vf && 7099746d42b1SŁukasz Gieryk (params->sriov_max_vi_per_vf - 1) % NVME_VF_RES_GRANULARITY) { 7100746d42b1SŁukasz Gieryk error_setg(errp, "sriov_max_vi_per_vf must meet:" 7101746d42b1SŁukasz Gieryk " (sriov_max_vi_per_vf - 1) %% %d == 0 and" 7102746d42b1SŁukasz Gieryk " sriov_max_vi_per_vf >= 1", NVME_VF_RES_GRANULARITY); 7103*784fd353SKlaus Jensen return false; 7104746d42b1SŁukasz Gieryk } 7105746d42b1SŁukasz Gieryk 7106746d42b1SŁukasz Gieryk if (params->sriov_max_vq_per_vf && 7107746d42b1SŁukasz Gieryk (params->sriov_max_vq_per_vf < 2 || 7108746d42b1SŁukasz Gieryk (params->sriov_max_vq_per_vf - 1) % NVME_VF_RES_GRANULARITY)) { 7109746d42b1SŁukasz Gieryk error_setg(errp, "sriov_max_vq_per_vf must meet:" 7110746d42b1SŁukasz Gieryk " (sriov_max_vq_per_vf - 1) %% %d == 0 and" 7111746d42b1SŁukasz Gieryk " sriov_max_vq_per_vf >= 2", NVME_VF_RES_GRANULARITY); 7112*784fd353SKlaus Jensen return false; 7113746d42b1SŁukasz Gieryk } 711444c2c094SLukasz Maniak } 7115*784fd353SKlaus Jensen 7116*784fd353SKlaus Jensen return true; 711788eea45cSKlaus Jensen } 711888eea45cSKlaus Jensen 711988eea45cSKlaus Jensen static void nvme_init_state(NvmeCtrl *n) 712088eea45cSKlaus Jensen { 71215e6f963fSLukasz Maniak NvmePriCtrlCap *cap = &n->pri_ctrl_cap; 712299f48ae7SLukasz Maniak NvmeSecCtrlList *list = &n->sec_ctrl_list; 712399f48ae7SLukasz Maniak NvmeSecCtrlEntry *sctrl; 712448b32c28SKlaus Jensen PCIDevice *pci = PCI_DEVICE(n); 7125746d42b1SŁukasz Gieryk uint8_t max_vfs; 712699f48ae7SLukasz Maniak int i; 71275e6f963fSLukasz Maniak 712848b32c28SKlaus Jensen if (pci_is_vf(pci)) { 7129746d42b1SŁukasz Gieryk sctrl = nvme_sctrl(n); 7130746d42b1SŁukasz Gieryk max_vfs = 0; 7131746d42b1SŁukasz Gieryk n->conf_ioqpairs = sctrl->nvq ? le16_to_cpu(sctrl->nvq) - 1 : 0; 7132746d42b1SŁukasz Gieryk n->conf_msix_qsize = sctrl->nvi ? le16_to_cpu(sctrl->nvi) : 1; 7133746d42b1SŁukasz Gieryk } else { 7134746d42b1SŁukasz Gieryk max_vfs = n->params.sriov_max_vfs; 7135decc0261SŁukasz Gieryk n->conf_ioqpairs = n->params.max_ioqpairs; 7136decc0261SŁukasz Gieryk n->conf_msix_qsize = n->params.msix_qsize; 7137746d42b1SŁukasz Gieryk } 7138decc0261SŁukasz Gieryk 713988eea45cSKlaus Jensen n->sq = g_new0(NvmeSQueue *, n->params.max_ioqpairs + 1); 714088eea45cSKlaus Jensen n->cq = g_new0(NvmeCQueue *, n->params.max_ioqpairs + 1); 714188eea45cSKlaus Jensen n->temperature = NVME_TEMPERATURE; 714288eea45cSKlaus Jensen n->features.temp_thresh_hi = NVME_TEMPERATURE_WARNING; 714388eea45cSKlaus Jensen n->starttime_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 714488eea45cSKlaus Jensen n->aer_reqs = g_new0(NvmeRequest *, n->params.aerl + 1); 7145b7698b91SŁukasz Gieryk QTAILQ_INIT(&n->aer_queue); 71465e6f963fSLukasz Maniak 7147746d42b1SŁukasz Gieryk list->numcntl = cpu_to_le16(max_vfs); 7148746d42b1SŁukasz Gieryk for (i = 0; i < max_vfs; i++) { 714999f48ae7SLukasz Maniak sctrl = &list->sec[i]; 715099f48ae7SLukasz Maniak sctrl->pcid = cpu_to_le16(n->cntlid); 715199f48ae7SLukasz Maniak sctrl->vfn = cpu_to_le16(i + 1); 715299f48ae7SLukasz Maniak } 715399f48ae7SLukasz Maniak 71545e6f963fSLukasz Maniak cap->cntlid = cpu_to_le16(n->cntlid); 7155746d42b1SŁukasz Gieryk cap->crt = NVME_CRT_VQ | NVME_CRT_VI; 7156746d42b1SŁukasz Gieryk 715748b32c28SKlaus Jensen if (pci_is_vf(pci)) { 7158746d42b1SŁukasz Gieryk cap->vqprt = cpu_to_le16(1 + n->conf_ioqpairs); 7159746d42b1SŁukasz Gieryk } else { 7160746d42b1SŁukasz Gieryk cap->vqprt = cpu_to_le16(1 + n->params.max_ioqpairs - 7161746d42b1SŁukasz Gieryk n->params.sriov_vq_flexible); 7162746d42b1SŁukasz Gieryk cap->vqfrt = cpu_to_le32(n->params.sriov_vq_flexible); 7163746d42b1SŁukasz Gieryk cap->vqrfap = cap->vqfrt; 7164746d42b1SŁukasz Gieryk cap->vqgran = cpu_to_le16(NVME_VF_RES_GRANULARITY); 7165746d42b1SŁukasz Gieryk cap->vqfrsm = n->params.sriov_max_vq_per_vf ? 7166746d42b1SŁukasz Gieryk cpu_to_le16(n->params.sriov_max_vq_per_vf) : 7167746d42b1SŁukasz Gieryk cap->vqfrt / MAX(max_vfs, 1); 7168746d42b1SŁukasz Gieryk } 7169746d42b1SŁukasz Gieryk 717048b32c28SKlaus Jensen if (pci_is_vf(pci)) { 7171746d42b1SŁukasz Gieryk cap->viprt = cpu_to_le16(n->conf_msix_qsize); 7172746d42b1SŁukasz Gieryk } else { 7173746d42b1SŁukasz Gieryk cap->viprt = cpu_to_le16(n->params.msix_qsize - 7174746d42b1SŁukasz Gieryk n->params.sriov_vi_flexible); 7175746d42b1SŁukasz Gieryk cap->vifrt = cpu_to_le32(n->params.sriov_vi_flexible); 7176746d42b1SŁukasz Gieryk cap->virfap = cap->vifrt; 7177746d42b1SŁukasz Gieryk cap->vigran = cpu_to_le16(NVME_VF_RES_GRANULARITY); 7178746d42b1SŁukasz Gieryk cap->vifrsm = n->params.sriov_max_vi_per_vf ? 7179746d42b1SŁukasz Gieryk cpu_to_le16(n->params.sriov_max_vi_per_vf) : 7180746d42b1SŁukasz Gieryk cap->vifrt / MAX(max_vfs, 1); 7181746d42b1SŁukasz Gieryk } 718288eea45cSKlaus Jensen } 718388eea45cSKlaus Jensen 718488eea45cSKlaus Jensen static void nvme_init_cmb(NvmeCtrl *n, PCIDevice *pci_dev) 718588eea45cSKlaus Jensen { 718688eea45cSKlaus Jensen uint64_t cmb_size = n->params.cmb_size_mb * MiB; 718749e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 718888eea45cSKlaus Jensen 718988eea45cSKlaus Jensen n->cmb.buf = g_malloc0(cmb_size); 719088eea45cSKlaus Jensen memory_region_init_io(&n->cmb.mem, OBJECT(n), &nvme_cmb_ops, n, 719188eea45cSKlaus Jensen "nvme-cmb", cmb_size); 719288eea45cSKlaus Jensen pci_register_bar(pci_dev, NVME_CMB_BIR, 719388eea45cSKlaus Jensen PCI_BASE_ADDRESS_SPACE_MEMORY | 719488eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64 | 719588eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_PREFETCH, &n->cmb.mem); 719688eea45cSKlaus Jensen 719749e03457SKlaus Jensen NVME_CAP_SET_CMBS(cap, 1); 719849e03457SKlaus Jensen stq_le_p(&n->bar.cap, cap); 719988eea45cSKlaus Jensen 720088eea45cSKlaus Jensen if (n->params.legacy_cmb) { 720188eea45cSKlaus Jensen nvme_cmb_enable_regs(n); 720288eea45cSKlaus Jensen n->cmb.cmse = true; 720388eea45cSKlaus Jensen } 720488eea45cSKlaus Jensen } 720588eea45cSKlaus Jensen 720688eea45cSKlaus Jensen static void nvme_init_pmr(NvmeCtrl *n, PCIDevice *pci_dev) 720788eea45cSKlaus Jensen { 720849e03457SKlaus Jensen uint32_t pmrcap = ldl_le_p(&n->bar.pmrcap); 720988eea45cSKlaus Jensen 721049e03457SKlaus Jensen NVME_PMRCAP_SET_RDS(pmrcap, 1); 721149e03457SKlaus Jensen NVME_PMRCAP_SET_WDS(pmrcap, 1); 721249e03457SKlaus Jensen NVME_PMRCAP_SET_BIR(pmrcap, NVME_PMR_BIR); 721349e03457SKlaus Jensen /* Turn on bit 1 support */ 721449e03457SKlaus Jensen NVME_PMRCAP_SET_PMRWBM(pmrcap, 0x02); 721549e03457SKlaus Jensen NVME_PMRCAP_SET_CMSS(pmrcap, 1); 721649e03457SKlaus Jensen stl_le_p(&n->bar.pmrcap, pmrcap); 721749e03457SKlaus Jensen 721849e03457SKlaus Jensen pci_register_bar(pci_dev, NVME_PMR_BIR, 721988eea45cSKlaus Jensen PCI_BASE_ADDRESS_SPACE_MEMORY | 722088eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64 | 722188eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_PREFETCH, &n->pmr.dev->mr); 722288eea45cSKlaus Jensen 722388eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, false); 722488eea45cSKlaus Jensen } 722588eea45cSKlaus Jensen 7226aa817713SŁukasz Gieryk static uint64_t nvme_bar_size(unsigned total_queues, unsigned total_irqs, 7227aa817713SŁukasz Gieryk unsigned *msix_table_offset, 7228aa817713SŁukasz Gieryk unsigned *msix_pba_offset) 7229aa817713SŁukasz Gieryk { 7230aa817713SŁukasz Gieryk uint64_t bar_size, msix_table_size, msix_pba_size; 7231aa817713SŁukasz Gieryk 7232aa817713SŁukasz Gieryk bar_size = sizeof(NvmeBar) + 2 * total_queues * NVME_DB_SIZE; 7233aa817713SŁukasz Gieryk bar_size = QEMU_ALIGN_UP(bar_size, 4 * KiB); 7234aa817713SŁukasz Gieryk 7235aa817713SŁukasz Gieryk if (msix_table_offset) { 7236aa817713SŁukasz Gieryk *msix_table_offset = bar_size; 7237aa817713SŁukasz Gieryk } 7238aa817713SŁukasz Gieryk 7239aa817713SŁukasz Gieryk msix_table_size = PCI_MSIX_ENTRY_SIZE * total_irqs; 7240aa817713SŁukasz Gieryk bar_size += msix_table_size; 7241aa817713SŁukasz Gieryk bar_size = QEMU_ALIGN_UP(bar_size, 4 * KiB); 7242aa817713SŁukasz Gieryk 7243aa817713SŁukasz Gieryk if (msix_pba_offset) { 7244aa817713SŁukasz Gieryk *msix_pba_offset = bar_size; 7245aa817713SŁukasz Gieryk } 7246aa817713SŁukasz Gieryk 7247aa817713SŁukasz Gieryk msix_pba_size = QEMU_ALIGN_UP(total_irqs, 64) / 8; 7248aa817713SŁukasz Gieryk bar_size += msix_pba_size; 7249aa817713SŁukasz Gieryk 7250aa817713SŁukasz Gieryk bar_size = pow2ceil(bar_size); 7251aa817713SŁukasz Gieryk return bar_size; 7252aa817713SŁukasz Gieryk } 7253aa817713SŁukasz Gieryk 7254746d42b1SŁukasz Gieryk static void nvme_init_sriov(NvmeCtrl *n, PCIDevice *pci_dev, uint16_t offset) 725544c2c094SLukasz Maniak { 725644c2c094SLukasz Maniak uint16_t vf_dev_id = n->params.use_intel_id ? 725744c2c094SLukasz Maniak PCI_DEVICE_ID_INTEL_NVME : PCI_DEVICE_ID_REDHAT_NVME; 7258746d42b1SŁukasz Gieryk NvmePriCtrlCap *cap = &n->pri_ctrl_cap; 7259746d42b1SŁukasz Gieryk uint64_t bar_size = nvme_bar_size(le16_to_cpu(cap->vqfrsm), 7260746d42b1SŁukasz Gieryk le16_to_cpu(cap->vifrsm), 7261746d42b1SŁukasz Gieryk NULL, NULL); 726244c2c094SLukasz Maniak 726344c2c094SLukasz Maniak pcie_sriov_pf_init(pci_dev, offset, "nvme", vf_dev_id, 726444c2c094SLukasz Maniak n->params.sriov_max_vfs, n->params.sriov_max_vfs, 726544c2c094SLukasz Maniak NVME_VF_OFFSET, NVME_VF_STRIDE); 726644c2c094SLukasz Maniak 726744c2c094SLukasz Maniak pcie_sriov_pf_init_vf_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY | 726844c2c094SLukasz Maniak PCI_BASE_ADDRESS_MEM_TYPE_64, bar_size); 726944c2c094SLukasz Maniak } 727044c2c094SLukasz Maniak 72711e9c685eSŁukasz Gieryk static int nvme_add_pm_capability(PCIDevice *pci_dev, uint8_t offset) 72721e9c685eSŁukasz Gieryk { 72731e9c685eSŁukasz Gieryk Error *err = NULL; 72741e9c685eSŁukasz Gieryk int ret; 72751e9c685eSŁukasz Gieryk 72761e9c685eSŁukasz Gieryk ret = pci_add_capability(pci_dev, PCI_CAP_ID_PM, offset, 72771e9c685eSŁukasz Gieryk PCI_PM_SIZEOF, &err); 72781e9c685eSŁukasz Gieryk if (err) { 72791e9c685eSŁukasz Gieryk error_report_err(err); 72801e9c685eSŁukasz Gieryk return ret; 72811e9c685eSŁukasz Gieryk } 72821e9c685eSŁukasz Gieryk 72831e9c685eSŁukasz Gieryk pci_set_word(pci_dev->config + offset + PCI_PM_PMC, 72841e9c685eSŁukasz Gieryk PCI_PM_CAP_VER_1_2); 72851e9c685eSŁukasz Gieryk pci_set_word(pci_dev->config + offset + PCI_PM_CTRL, 72861e9c685eSŁukasz Gieryk PCI_PM_CTRL_NO_SOFT_RESET); 72871e9c685eSŁukasz Gieryk pci_set_word(pci_dev->wmask + offset + PCI_PM_CTRL, 72881e9c685eSŁukasz Gieryk PCI_PM_CTRL_STATE_MASK); 72891e9c685eSŁukasz Gieryk 72901e9c685eSŁukasz Gieryk return 0; 72911e9c685eSŁukasz Gieryk } 72921e9c685eSŁukasz Gieryk 729388eea45cSKlaus Jensen static int nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev, Error **errp) 729488eea45cSKlaus Jensen { 729588eea45cSKlaus Jensen uint8_t *pci_conf = pci_dev->config; 7296aa817713SŁukasz Gieryk uint64_t bar_size; 729788eea45cSKlaus Jensen unsigned msix_table_offset, msix_pba_offset; 729888eea45cSKlaus Jensen int ret; 729988eea45cSKlaus Jensen 730088eea45cSKlaus Jensen Error *err = NULL; 730188eea45cSKlaus Jensen 730288eea45cSKlaus Jensen pci_conf[PCI_INTERRUPT_PIN] = 1; 730388eea45cSKlaus Jensen pci_config_set_prog_interface(pci_conf, 0x2); 730488eea45cSKlaus Jensen 730588eea45cSKlaus Jensen if (n->params.use_intel_id) { 730688eea45cSKlaus Jensen pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL); 730744c2c094SLukasz Maniak pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_INTEL_NVME); 730888eea45cSKlaus Jensen } else { 730988eea45cSKlaus Jensen pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_REDHAT); 731088eea45cSKlaus Jensen pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_REDHAT_NVME); 731188eea45cSKlaus Jensen } 731288eea45cSKlaus Jensen 731388eea45cSKlaus Jensen pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_EXPRESS); 73141e9c685eSŁukasz Gieryk nvme_add_pm_capability(pci_dev, 0x60); 731588eea45cSKlaus Jensen pcie_endpoint_cap_init(pci_dev, 0x80); 73161e9c685eSŁukasz Gieryk pcie_cap_flr_init(pci_dev); 731744c2c094SLukasz Maniak if (n->params.sriov_max_vfs) { 731844c2c094SLukasz Maniak pcie_ari_init(pci_dev, 0x100, 1); 731944c2c094SLukasz Maniak } 732088eea45cSKlaus Jensen 73213bfcc517SŁukasz Gieryk /* add one to max_ioqpairs to account for the admin queue pair */ 7322aa817713SŁukasz Gieryk bar_size = nvme_bar_size(n->params.max_ioqpairs + 1, n->params.msix_qsize, 7323aa817713SŁukasz Gieryk &msix_table_offset, &msix_pba_offset); 732488eea45cSKlaus Jensen 732588eea45cSKlaus Jensen memory_region_init(&n->bar0, OBJECT(n), "nvme-bar0", bar_size); 732688eea45cSKlaus Jensen memory_region_init_io(&n->iomem, OBJECT(n), &nvme_mmio_ops, n, "nvme", 73273bfcc517SŁukasz Gieryk msix_table_offset); 732888eea45cSKlaus Jensen memory_region_add_subregion(&n->bar0, 0, &n->iomem); 732988eea45cSKlaus Jensen 733044c2c094SLukasz Maniak if (pci_is_vf(pci_dev)) { 733144c2c094SLukasz Maniak pcie_sriov_vf_register_bar(pci_dev, 0, &n->bar0); 733244c2c094SLukasz Maniak } else { 733388eea45cSKlaus Jensen pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY | 733488eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64, &n->bar0); 733544c2c094SLukasz Maniak } 733688eea45cSKlaus Jensen ret = msix_init(pci_dev, n->params.msix_qsize, 733788eea45cSKlaus Jensen &n->bar0, 0, msix_table_offset, 733888eea45cSKlaus Jensen &n->bar0, 0, msix_pba_offset, 0, &err); 733988eea45cSKlaus Jensen if (ret < 0) { 734088eea45cSKlaus Jensen if (ret == -ENOTSUP) { 734188eea45cSKlaus Jensen warn_report_err(err); 734288eea45cSKlaus Jensen } else { 734388eea45cSKlaus Jensen error_propagate(errp, err); 734488eea45cSKlaus Jensen return ret; 734588eea45cSKlaus Jensen } 734688eea45cSKlaus Jensen } 734788eea45cSKlaus Jensen 7348decc0261SŁukasz Gieryk nvme_update_msixcap_ts(pci_dev, n->conf_msix_qsize); 7349decc0261SŁukasz Gieryk 735088eea45cSKlaus Jensen if (n->params.cmb_size_mb) { 735188eea45cSKlaus Jensen nvme_init_cmb(n, pci_dev); 735288eea45cSKlaus Jensen } 735388eea45cSKlaus Jensen 735488eea45cSKlaus Jensen if (n->pmr.dev) { 735588eea45cSKlaus Jensen nvme_init_pmr(n, pci_dev); 735688eea45cSKlaus Jensen } 735788eea45cSKlaus Jensen 735844c2c094SLukasz Maniak if (!pci_is_vf(pci_dev) && n->params.sriov_max_vfs) { 7359746d42b1SŁukasz Gieryk nvme_init_sriov(n, pci_dev, 0x120); 736044c2c094SLukasz Maniak } 736144c2c094SLukasz Maniak 736288eea45cSKlaus Jensen return 0; 736388eea45cSKlaus Jensen } 736488eea45cSKlaus Jensen 736588eea45cSKlaus Jensen static void nvme_init_subnqn(NvmeCtrl *n) 736688eea45cSKlaus Jensen { 736788eea45cSKlaus Jensen NvmeSubsystem *subsys = n->subsys; 736888eea45cSKlaus Jensen NvmeIdCtrl *id = &n->id_ctrl; 736988eea45cSKlaus Jensen 737088eea45cSKlaus Jensen if (!subsys) { 737188eea45cSKlaus Jensen snprintf((char *)id->subnqn, sizeof(id->subnqn), 737288eea45cSKlaus Jensen "nqn.2019-08.org.qemu:%s", n->params.serial); 737388eea45cSKlaus Jensen } else { 737488eea45cSKlaus Jensen pstrcpy((char *)id->subnqn, sizeof(id->subnqn), (char*)subsys->subnqn); 737588eea45cSKlaus Jensen } 737688eea45cSKlaus Jensen } 737788eea45cSKlaus Jensen 737888eea45cSKlaus Jensen static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev) 737988eea45cSKlaus Jensen { 738088eea45cSKlaus Jensen NvmeIdCtrl *id = &n->id_ctrl; 738188eea45cSKlaus Jensen uint8_t *pci_conf = pci_dev->config; 738249e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 7383746d42b1SŁukasz Gieryk NvmeSecCtrlEntry *sctrl = nvme_sctrl(n); 738488eea45cSKlaus Jensen 738588eea45cSKlaus Jensen id->vid = cpu_to_le16(pci_get_word(pci_conf + PCI_VENDOR_ID)); 738688eea45cSKlaus Jensen id->ssvid = cpu_to_le16(pci_get_word(pci_conf + PCI_SUBSYSTEM_VENDOR_ID)); 738788eea45cSKlaus Jensen strpadcpy((char *)id->mn, sizeof(id->mn), "QEMU NVMe Ctrl", ' '); 7388fbba243bSKlaus Jensen strpadcpy((char *)id->fr, sizeof(id->fr), QEMU_VERSION, ' '); 738988eea45cSKlaus Jensen strpadcpy((char *)id->sn, sizeof(id->sn), n->params.serial, ' '); 739088eea45cSKlaus Jensen 739188eea45cSKlaus Jensen id->cntlid = cpu_to_le16(n->cntlid); 739288eea45cSKlaus Jensen 739388eea45cSKlaus Jensen id->oaes = cpu_to_le32(NVME_OAES_NS_ATTR); 7394763c05dfSNaveen Nagar id->ctratt |= cpu_to_le32(NVME_CTRATT_ELBAS); 739588eea45cSKlaus Jensen 739688eea45cSKlaus Jensen id->rab = 6; 739788eea45cSKlaus Jensen 739888eea45cSKlaus Jensen if (n->params.use_intel_id) { 739988eea45cSKlaus Jensen id->ieee[0] = 0xb3; 740088eea45cSKlaus Jensen id->ieee[1] = 0x02; 740188eea45cSKlaus Jensen id->ieee[2] = 0x00; 740288eea45cSKlaus Jensen } else { 740388eea45cSKlaus Jensen id->ieee[0] = 0x00; 740488eea45cSKlaus Jensen id->ieee[1] = 0x54; 740588eea45cSKlaus Jensen id->ieee[2] = 0x52; 740688eea45cSKlaus Jensen } 740788eea45cSKlaus Jensen 740888eea45cSKlaus Jensen id->mdts = n->params.mdts; 740988eea45cSKlaus Jensen id->ver = cpu_to_le32(NVME_SPEC_VER); 74103f7fe8deSJinhao Fan id->oacs = 74113f7fe8deSJinhao Fan cpu_to_le16(NVME_OACS_NS_MGMT | NVME_OACS_FORMAT | NVME_OACS_DBBUF); 741288eea45cSKlaus Jensen id->cntrltype = 0x1; 741388eea45cSKlaus Jensen 741488eea45cSKlaus Jensen /* 741588eea45cSKlaus Jensen * Because the controller always completes the Abort command immediately, 741688eea45cSKlaus Jensen * there can never be more than one concurrently executing Abort command, 741788eea45cSKlaus Jensen * so this value is never used for anything. Note that there can easily be 741888eea45cSKlaus Jensen * many Abort commands in the queues, but they are not considered 741988eea45cSKlaus Jensen * "executing" until processed by nvme_abort. 742088eea45cSKlaus Jensen * 742188eea45cSKlaus Jensen * The specification recommends a value of 3 for Abort Command Limit (four 742288eea45cSKlaus Jensen * concurrently outstanding Abort commands), so lets use that though it is 742388eea45cSKlaus Jensen * inconsequential. 742488eea45cSKlaus Jensen */ 742588eea45cSKlaus Jensen id->acl = 3; 742688eea45cSKlaus Jensen id->aerl = n->params.aerl; 742788eea45cSKlaus Jensen id->frmw = (NVME_NUM_FW_SLOTS << 1) | NVME_FRMW_SLOT1_RO; 742888eea45cSKlaus Jensen id->lpa = NVME_LPA_NS_SMART | NVME_LPA_CSE | NVME_LPA_EXTENDED; 742988eea45cSKlaus Jensen 743088eea45cSKlaus Jensen /* recommended default value (~70 C) */ 743188eea45cSKlaus Jensen id->wctemp = cpu_to_le16(NVME_TEMPERATURE_WARNING); 743288eea45cSKlaus Jensen id->cctemp = cpu_to_le16(NVME_TEMPERATURE_CRITICAL); 743388eea45cSKlaus Jensen 743488eea45cSKlaus Jensen id->sqes = (0x6 << 4) | 0x6; 743588eea45cSKlaus Jensen id->cqes = (0x4 << 4) | 0x4; 743688eea45cSKlaus Jensen id->nn = cpu_to_le32(NVME_MAX_NAMESPACES); 743788eea45cSKlaus Jensen id->oncs = cpu_to_le16(NVME_ONCS_WRITE_ZEROES | NVME_ONCS_TIMESTAMP | 743888eea45cSKlaus Jensen NVME_ONCS_FEATURES | NVME_ONCS_DSM | 743988eea45cSKlaus Jensen NVME_ONCS_COMPARE | NVME_ONCS_COPY); 744088eea45cSKlaus Jensen 744188eea45cSKlaus Jensen /* 744288eea45cSKlaus Jensen * NOTE: If this device ever supports a command set that does NOT use 0x0 744388eea45cSKlaus Jensen * as a Flush-equivalent operation, support for the broadcast NSID in Flush 744488eea45cSKlaus Jensen * should probably be removed. 744588eea45cSKlaus Jensen * 744688eea45cSKlaus Jensen * See comment in nvme_io_cmd. 744788eea45cSKlaus Jensen */ 744888eea45cSKlaus Jensen id->vwc = NVME_VWC_NSID_BROADCAST_SUPPORT | NVME_VWC_PRESENT; 744988eea45cSKlaus Jensen 745044219b60SNaveen Nagar id->ocfs = cpu_to_le16(NVME_OCFS_COPY_FORMAT_0 | NVME_OCFS_COPY_FORMAT_1); 7451b9147a3aSKlaus Jensen id->sgls = cpu_to_le32(NVME_CTRL_SGLS_SUPPORT_NO_ALIGN); 745288eea45cSKlaus Jensen 745388eea45cSKlaus Jensen nvme_init_subnqn(n); 745488eea45cSKlaus Jensen 745588eea45cSKlaus Jensen id->psd[0].mp = cpu_to_le16(0x9c4); 745688eea45cSKlaus Jensen id->psd[0].enlat = cpu_to_le32(0x10); 745788eea45cSKlaus Jensen id->psd[0].exlat = cpu_to_le32(0x4); 745888eea45cSKlaus Jensen 745988eea45cSKlaus Jensen if (n->subsys) { 746088eea45cSKlaus Jensen id->cmic |= NVME_CMIC_MULTI_CTRL; 746188eea45cSKlaus Jensen } 746288eea45cSKlaus Jensen 746349e03457SKlaus Jensen NVME_CAP_SET_MQES(cap, 0x7ff); 746449e03457SKlaus Jensen NVME_CAP_SET_CQR(cap, 1); 746549e03457SKlaus Jensen NVME_CAP_SET_TO(cap, 0xf); 746649e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_NVM); 746749e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_CSI_SUPP); 746849e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_ADMIN_ONLY); 746949e03457SKlaus Jensen NVME_CAP_SET_MPSMAX(cap, 4); 747049e03457SKlaus Jensen NVME_CAP_SET_CMBS(cap, n->params.cmb_size_mb ? 1 : 0); 747149e03457SKlaus Jensen NVME_CAP_SET_PMRS(cap, n->pmr.dev ? 1 : 0); 747249e03457SKlaus Jensen stq_le_p(&n->bar.cap, cap); 747388eea45cSKlaus Jensen 747449e03457SKlaus Jensen stl_le_p(&n->bar.vs, NVME_SPEC_VER); 747588eea45cSKlaus Jensen n->bar.intmc = n->bar.intms = 0; 7476746d42b1SŁukasz Gieryk 747748b32c28SKlaus Jensen if (pci_is_vf(pci_dev) && !sctrl->scs) { 7478746d42b1SŁukasz Gieryk stl_le_p(&n->bar.csts, NVME_CSTS_FAILED); 7479746d42b1SŁukasz Gieryk } 748088eea45cSKlaus Jensen } 748188eea45cSKlaus Jensen 748288eea45cSKlaus Jensen static int nvme_init_subsys(NvmeCtrl *n, Error **errp) 748388eea45cSKlaus Jensen { 748488eea45cSKlaus Jensen int cntlid; 748588eea45cSKlaus Jensen 748688eea45cSKlaus Jensen if (!n->subsys) { 748788eea45cSKlaus Jensen return 0; 748888eea45cSKlaus Jensen } 748988eea45cSKlaus Jensen 749088eea45cSKlaus Jensen cntlid = nvme_subsys_register_ctrl(n, errp); 749188eea45cSKlaus Jensen if (cntlid < 0) { 749288eea45cSKlaus Jensen return -1; 749388eea45cSKlaus Jensen } 749488eea45cSKlaus Jensen 749588eea45cSKlaus Jensen n->cntlid = cntlid; 749688eea45cSKlaus Jensen 749788eea45cSKlaus Jensen return 0; 749888eea45cSKlaus Jensen } 749988eea45cSKlaus Jensen 750088eea45cSKlaus Jensen void nvme_attach_ns(NvmeCtrl *n, NvmeNamespace *ns) 750188eea45cSKlaus Jensen { 750288eea45cSKlaus Jensen uint32_t nsid = ns->params.nsid; 750388eea45cSKlaus Jensen assert(nsid && nsid <= NVME_MAX_NAMESPACES); 750488eea45cSKlaus Jensen 750588eea45cSKlaus Jensen n->namespaces[nsid] = ns; 750688eea45cSKlaus Jensen ns->attached++; 750788eea45cSKlaus Jensen 750888eea45cSKlaus Jensen n->dmrsl = MIN_NON_ZERO(n->dmrsl, 750988eea45cSKlaus Jensen BDRV_REQUEST_MAX_BYTES / nvme_l2b(ns, 1)); 751088eea45cSKlaus Jensen } 751188eea45cSKlaus Jensen 751288eea45cSKlaus Jensen static void nvme_realize(PCIDevice *pci_dev, Error **errp) 751388eea45cSKlaus Jensen { 751488eea45cSKlaus Jensen NvmeCtrl *n = NVME(pci_dev); 751548b32c28SKlaus Jensen DeviceState *dev = DEVICE(pci_dev); 751688eea45cSKlaus Jensen NvmeNamespace *ns; 751744c2c094SLukasz Maniak NvmeCtrl *pn = NVME(pcie_sriov_get_pf(pci_dev)); 751844c2c094SLukasz Maniak 751944c2c094SLukasz Maniak if (pci_is_vf(pci_dev)) { 752044c2c094SLukasz Maniak /* 752144c2c094SLukasz Maniak * VFs derive settings from the parent. PF's lifespan exceeds 752244c2c094SLukasz Maniak * that of VF's, so it's safe to share params.serial. 752344c2c094SLukasz Maniak */ 752444c2c094SLukasz Maniak memcpy(&n->params, &pn->params, sizeof(NvmeParams)); 752544c2c094SLukasz Maniak n->subsys = pn->subsys; 752644c2c094SLukasz Maniak } 752788eea45cSKlaus Jensen 7528*784fd353SKlaus Jensen if (!nvme_check_params(n, errp)) { 752988eea45cSKlaus Jensen return; 753088eea45cSKlaus Jensen } 753188eea45cSKlaus Jensen 753248b32c28SKlaus Jensen qbus_init(&n->bus, sizeof(NvmeBus), TYPE_NVME_BUS, dev, dev->id); 753388eea45cSKlaus Jensen 753488eea45cSKlaus Jensen if (nvme_init_subsys(n, errp)) { 753588eea45cSKlaus Jensen return; 753688eea45cSKlaus Jensen } 75375e6f963fSLukasz Maniak nvme_init_state(n); 75385e6f963fSLukasz Maniak if (nvme_init_pci(n, pci_dev, errp)) { 75395e6f963fSLukasz Maniak return; 75405e6f963fSLukasz Maniak } 754188eea45cSKlaus Jensen nvme_init_ctrl(n, pci_dev); 754288eea45cSKlaus Jensen 754388eea45cSKlaus Jensen /* setup a namespace if the controller drive property was given */ 754488eea45cSKlaus Jensen if (n->namespace.blkconf.blk) { 754588eea45cSKlaus Jensen ns = &n->namespace; 754688eea45cSKlaus Jensen ns->params.nsid = 1; 754788eea45cSKlaus Jensen 75485e4f6bccSKlaus Jensen if (nvme_ns_setup(ns, errp)) { 754988eea45cSKlaus Jensen return; 755088eea45cSKlaus Jensen } 755188eea45cSKlaus Jensen 755288eea45cSKlaus Jensen nvme_attach_ns(n, ns); 755388eea45cSKlaus Jensen } 755488eea45cSKlaus Jensen } 755588eea45cSKlaus Jensen 755688eea45cSKlaus Jensen static void nvme_exit(PCIDevice *pci_dev) 755788eea45cSKlaus Jensen { 755888eea45cSKlaus Jensen NvmeCtrl *n = NVME(pci_dev); 755988eea45cSKlaus Jensen NvmeNamespace *ns; 756088eea45cSKlaus Jensen int i; 756188eea45cSKlaus Jensen 75621e9c685eSŁukasz Gieryk nvme_ctrl_reset(n, NVME_RESET_FUNCTION); 756388eea45cSKlaus Jensen 75645ffbaeedSKlaus Jensen if (n->subsys) { 756588eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 756688eea45cSKlaus Jensen ns = nvme_ns(n, i); 75675ffbaeedSKlaus Jensen if (ns) { 75685ffbaeedSKlaus Jensen ns->attached--; 75695ffbaeedSKlaus Jensen } 757088eea45cSKlaus Jensen } 757188eea45cSKlaus Jensen 7572b0fde9e8SKlaus Jensen nvme_subsys_unregister_ctrl(n->subsys, n); 7573b0fde9e8SKlaus Jensen } 7574b0fde9e8SKlaus Jensen 757588eea45cSKlaus Jensen g_free(n->cq); 757688eea45cSKlaus Jensen g_free(n->sq); 757788eea45cSKlaus Jensen g_free(n->aer_reqs); 757888eea45cSKlaus Jensen 757988eea45cSKlaus Jensen if (n->params.cmb_size_mb) { 758088eea45cSKlaus Jensen g_free(n->cmb.buf); 758188eea45cSKlaus Jensen } 758288eea45cSKlaus Jensen 758388eea45cSKlaus Jensen if (n->pmr.dev) { 758488eea45cSKlaus Jensen host_memory_backend_set_mapped(n->pmr.dev, false); 758588eea45cSKlaus Jensen } 758644c2c094SLukasz Maniak 758744c2c094SLukasz Maniak if (!pci_is_vf(pci_dev) && n->params.sriov_max_vfs) { 758844c2c094SLukasz Maniak pcie_sriov_pf_exit(pci_dev); 758944c2c094SLukasz Maniak } 759044c2c094SLukasz Maniak 759188eea45cSKlaus Jensen msix_uninit(pci_dev, &n->bar0, &n->bar0); 759288eea45cSKlaus Jensen memory_region_del_subregion(&n->bar0, &n->iomem); 759388eea45cSKlaus Jensen } 759488eea45cSKlaus Jensen 759588eea45cSKlaus Jensen static Property nvme_props[] = { 759688eea45cSKlaus Jensen DEFINE_BLOCK_PROPERTIES(NvmeCtrl, namespace.blkconf), 759788eea45cSKlaus Jensen DEFINE_PROP_LINK("pmrdev", NvmeCtrl, pmr.dev, TYPE_MEMORY_BACKEND, 759888eea45cSKlaus Jensen HostMemoryBackend *), 759988eea45cSKlaus Jensen DEFINE_PROP_LINK("subsys", NvmeCtrl, subsys, TYPE_NVME_SUBSYS, 760088eea45cSKlaus Jensen NvmeSubsystem *), 760188eea45cSKlaus Jensen DEFINE_PROP_STRING("serial", NvmeCtrl, params.serial), 760288eea45cSKlaus Jensen DEFINE_PROP_UINT32("cmb_size_mb", NvmeCtrl, params.cmb_size_mb, 0), 760388eea45cSKlaus Jensen DEFINE_PROP_UINT32("num_queues", NvmeCtrl, params.num_queues, 0), 760488eea45cSKlaus Jensen DEFINE_PROP_UINT32("max_ioqpairs", NvmeCtrl, params.max_ioqpairs, 64), 760588eea45cSKlaus Jensen DEFINE_PROP_UINT16("msix_qsize", NvmeCtrl, params.msix_qsize, 65), 760688eea45cSKlaus Jensen DEFINE_PROP_UINT8("aerl", NvmeCtrl, params.aerl, 3), 760788eea45cSKlaus Jensen DEFINE_PROP_UINT32("aer_max_queued", NvmeCtrl, params.aer_max_queued, 64), 760888eea45cSKlaus Jensen DEFINE_PROP_UINT8("mdts", NvmeCtrl, params.mdts, 7), 760988eea45cSKlaus Jensen DEFINE_PROP_UINT8("vsl", NvmeCtrl, params.vsl, 7), 761088eea45cSKlaus Jensen DEFINE_PROP_BOOL("use-intel-id", NvmeCtrl, params.use_intel_id, false), 761188eea45cSKlaus Jensen DEFINE_PROP_BOOL("legacy-cmb", NvmeCtrl, params.legacy_cmb, false), 7612e2e137f6SKlaus Jensen DEFINE_PROP_BOOL("ioeventfd", NvmeCtrl, params.ioeventfd, false), 761388eea45cSKlaus Jensen DEFINE_PROP_UINT8("zoned.zasl", NvmeCtrl, params.zasl, 0), 7614cccc2651SNiklas Cassel DEFINE_PROP_BOOL("zoned.auto_transition", NvmeCtrl, 7615cccc2651SNiklas Cassel params.auto_transition_zones, true), 761644c2c094SLukasz Maniak DEFINE_PROP_UINT8("sriov_max_vfs", NvmeCtrl, params.sriov_max_vfs, 0), 7617746d42b1SŁukasz Gieryk DEFINE_PROP_UINT16("sriov_vq_flexible", NvmeCtrl, 7618746d42b1SŁukasz Gieryk params.sriov_vq_flexible, 0), 7619746d42b1SŁukasz Gieryk DEFINE_PROP_UINT16("sriov_vi_flexible", NvmeCtrl, 7620746d42b1SŁukasz Gieryk params.sriov_vi_flexible, 0), 7621746d42b1SŁukasz Gieryk DEFINE_PROP_UINT8("sriov_max_vi_per_vf", NvmeCtrl, 7622746d42b1SŁukasz Gieryk params.sriov_max_vi_per_vf, 0), 7623746d42b1SŁukasz Gieryk DEFINE_PROP_UINT8("sriov_max_vq_per_vf", NvmeCtrl, 7624746d42b1SŁukasz Gieryk params.sriov_max_vq_per_vf, 0), 762588eea45cSKlaus Jensen DEFINE_PROP_END_OF_LIST(), 762688eea45cSKlaus Jensen }; 762788eea45cSKlaus Jensen 762888eea45cSKlaus Jensen static void nvme_get_smart_warning(Object *obj, Visitor *v, const char *name, 762988eea45cSKlaus Jensen void *opaque, Error **errp) 763088eea45cSKlaus Jensen { 763188eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 763288eea45cSKlaus Jensen uint8_t value = n->smart_critical_warning; 763388eea45cSKlaus Jensen 763488eea45cSKlaus Jensen visit_type_uint8(v, name, &value, errp); 763588eea45cSKlaus Jensen } 763688eea45cSKlaus Jensen 763788eea45cSKlaus Jensen static void nvme_set_smart_warning(Object *obj, Visitor *v, const char *name, 763888eea45cSKlaus Jensen void *opaque, Error **errp) 763988eea45cSKlaus Jensen { 764088eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 764188eea45cSKlaus Jensen uint8_t value, old_value, cap = 0, index, event; 764288eea45cSKlaus Jensen 764388eea45cSKlaus Jensen if (!visit_type_uint8(v, name, &value, errp)) { 764488eea45cSKlaus Jensen return; 764588eea45cSKlaus Jensen } 764688eea45cSKlaus Jensen 764788eea45cSKlaus Jensen cap = NVME_SMART_SPARE | NVME_SMART_TEMPERATURE | NVME_SMART_RELIABILITY 764888eea45cSKlaus Jensen | NVME_SMART_MEDIA_READ_ONLY | NVME_SMART_FAILED_VOLATILE_MEDIA; 764949e03457SKlaus Jensen if (NVME_CAP_PMRS(ldq_le_p(&n->bar.cap))) { 765088eea45cSKlaus Jensen cap |= NVME_SMART_PMR_UNRELIABLE; 765188eea45cSKlaus Jensen } 765288eea45cSKlaus Jensen 765388eea45cSKlaus Jensen if ((value & cap) != value) { 765488eea45cSKlaus Jensen error_setg(errp, "unsupported smart critical warning bits: 0x%x", 765588eea45cSKlaus Jensen value & ~cap); 765688eea45cSKlaus Jensen return; 765788eea45cSKlaus Jensen } 765888eea45cSKlaus Jensen 765988eea45cSKlaus Jensen old_value = n->smart_critical_warning; 766088eea45cSKlaus Jensen n->smart_critical_warning = value; 766188eea45cSKlaus Jensen 766288eea45cSKlaus Jensen /* only inject new bits of smart critical warning */ 766388eea45cSKlaus Jensen for (index = 0; index < NVME_SMART_WARN_MAX; index++) { 766488eea45cSKlaus Jensen event = 1 << index; 766588eea45cSKlaus Jensen if (value & ~old_value & event) 766688eea45cSKlaus Jensen nvme_smart_event(n, event); 766788eea45cSKlaus Jensen } 766888eea45cSKlaus Jensen } 766988eea45cSKlaus Jensen 76701e9c685eSŁukasz Gieryk static void nvme_pci_reset(DeviceState *qdev) 76711e9c685eSŁukasz Gieryk { 76721e9c685eSŁukasz Gieryk PCIDevice *pci_dev = PCI_DEVICE(qdev); 76731e9c685eSŁukasz Gieryk NvmeCtrl *n = NVME(pci_dev); 76741e9c685eSŁukasz Gieryk 76751e9c685eSŁukasz Gieryk trace_pci_nvme_pci_reset(); 76761e9c685eSŁukasz Gieryk nvme_ctrl_reset(n, NVME_RESET_FUNCTION); 76771e9c685eSŁukasz Gieryk } 76781e9c685eSŁukasz Gieryk 767911871f53SŁukasz Gieryk static void nvme_sriov_pre_write_ctrl(PCIDevice *dev, uint32_t address, 768011871f53SŁukasz Gieryk uint32_t val, int len) 768111871f53SŁukasz Gieryk { 768211871f53SŁukasz Gieryk NvmeCtrl *n = NVME(dev); 768311871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl; 768411871f53SŁukasz Gieryk uint16_t sriov_cap = dev->exp.sriov_cap; 768511871f53SŁukasz Gieryk uint32_t off = address - sriov_cap; 768611871f53SŁukasz Gieryk int i, num_vfs; 768711871f53SŁukasz Gieryk 768811871f53SŁukasz Gieryk if (!sriov_cap) { 768911871f53SŁukasz Gieryk return; 769011871f53SŁukasz Gieryk } 769111871f53SŁukasz Gieryk 769211871f53SŁukasz Gieryk if (range_covers_byte(off, len, PCI_SRIOV_CTRL)) { 769311871f53SŁukasz Gieryk if (!(val & PCI_SRIOV_CTRL_VFE)) { 769411871f53SŁukasz Gieryk num_vfs = pci_get_word(dev->config + sriov_cap + PCI_SRIOV_NUM_VF); 769511871f53SŁukasz Gieryk for (i = 0; i < num_vfs; i++) { 769611871f53SŁukasz Gieryk sctrl = &n->sec_ctrl_list.sec[i]; 769711871f53SŁukasz Gieryk nvme_virt_set_state(n, le16_to_cpu(sctrl->scid), false); 769811871f53SŁukasz Gieryk } 769911871f53SŁukasz Gieryk } 770011871f53SŁukasz Gieryk } 770111871f53SŁukasz Gieryk } 770211871f53SŁukasz Gieryk 77031e9c685eSŁukasz Gieryk static void nvme_pci_write_config(PCIDevice *dev, uint32_t address, 77041e9c685eSŁukasz Gieryk uint32_t val, int len) 77051e9c685eSŁukasz Gieryk { 770611871f53SŁukasz Gieryk nvme_sriov_pre_write_ctrl(dev, address, val, len); 77071e9c685eSŁukasz Gieryk pci_default_write_config(dev, address, val, len); 77081e9c685eSŁukasz Gieryk pcie_cap_flr_write_config(dev, address, val, len); 77091e9c685eSŁukasz Gieryk } 77101e9c685eSŁukasz Gieryk 771188eea45cSKlaus Jensen static const VMStateDescription nvme_vmstate = { 771288eea45cSKlaus Jensen .name = "nvme", 771388eea45cSKlaus Jensen .unmigratable = 1, 771488eea45cSKlaus Jensen }; 771588eea45cSKlaus Jensen 771688eea45cSKlaus Jensen static void nvme_class_init(ObjectClass *oc, void *data) 771788eea45cSKlaus Jensen { 771888eea45cSKlaus Jensen DeviceClass *dc = DEVICE_CLASS(oc); 771988eea45cSKlaus Jensen PCIDeviceClass *pc = PCI_DEVICE_CLASS(oc); 772088eea45cSKlaus Jensen 772188eea45cSKlaus Jensen pc->realize = nvme_realize; 77221e9c685eSŁukasz Gieryk pc->config_write = nvme_pci_write_config; 772388eea45cSKlaus Jensen pc->exit = nvme_exit; 772488eea45cSKlaus Jensen pc->class_id = PCI_CLASS_STORAGE_EXPRESS; 772588eea45cSKlaus Jensen pc->revision = 2; 772688eea45cSKlaus Jensen 772788eea45cSKlaus Jensen set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 772888eea45cSKlaus Jensen dc->desc = "Non-Volatile Memory Express"; 772988eea45cSKlaus Jensen device_class_set_props(dc, nvme_props); 773088eea45cSKlaus Jensen dc->vmsd = &nvme_vmstate; 77311e9c685eSŁukasz Gieryk dc->reset = nvme_pci_reset; 773288eea45cSKlaus Jensen } 773388eea45cSKlaus Jensen 773488eea45cSKlaus Jensen static void nvme_instance_init(Object *obj) 773588eea45cSKlaus Jensen { 773688eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 773788eea45cSKlaus Jensen 773888eea45cSKlaus Jensen device_add_bootindex_property(obj, &n->namespace.blkconf.bootindex, 773988eea45cSKlaus Jensen "bootindex", "/namespace@1,0", 774088eea45cSKlaus Jensen DEVICE(obj)); 774188eea45cSKlaus Jensen 774288eea45cSKlaus Jensen object_property_add(obj, "smart_critical_warning", "uint8", 774388eea45cSKlaus Jensen nvme_get_smart_warning, 774488eea45cSKlaus Jensen nvme_set_smart_warning, NULL, NULL); 774588eea45cSKlaus Jensen } 774688eea45cSKlaus Jensen 774788eea45cSKlaus Jensen static const TypeInfo nvme_info = { 774888eea45cSKlaus Jensen .name = TYPE_NVME, 774988eea45cSKlaus Jensen .parent = TYPE_PCI_DEVICE, 775088eea45cSKlaus Jensen .instance_size = sizeof(NvmeCtrl), 775188eea45cSKlaus Jensen .instance_init = nvme_instance_init, 775288eea45cSKlaus Jensen .class_init = nvme_class_init, 775388eea45cSKlaus Jensen .interfaces = (InterfaceInfo[]) { 775488eea45cSKlaus Jensen { INTERFACE_PCIE_DEVICE }, 775588eea45cSKlaus Jensen { } 775688eea45cSKlaus Jensen }, 775788eea45cSKlaus Jensen }; 775888eea45cSKlaus Jensen 775988eea45cSKlaus Jensen static const TypeInfo nvme_bus_info = { 776088eea45cSKlaus Jensen .name = TYPE_NVME_BUS, 776188eea45cSKlaus Jensen .parent = TYPE_BUS, 776288eea45cSKlaus Jensen .instance_size = sizeof(NvmeBus), 776388eea45cSKlaus Jensen }; 776488eea45cSKlaus Jensen 776588eea45cSKlaus Jensen static void nvme_register_types(void) 776688eea45cSKlaus Jensen { 776788eea45cSKlaus Jensen type_register_static(&nvme_info); 776888eea45cSKlaus Jensen type_register_static(&nvme_bus_info); 776988eea45cSKlaus Jensen } 777088eea45cSKlaus Jensen 777188eea45cSKlaus Jensen type_init(nvme_register_types) 7772