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 45288eea45cSKlaus Jensen return pci_dma_read(&n->parent_obj, 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 47288eea45cSKlaus Jensen return pci_dma_write(&n->parent_obj, 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 { 51749e03457SKlaus Jensen uint32_t intms = ldl_le_p(&n->bar.intms); 51849e03457SKlaus Jensen 51988eea45cSKlaus Jensen if (msix_enabled(&(n->parent_obj))) { 52088eea45cSKlaus Jensen return; 52188eea45cSKlaus Jensen } 52249e03457SKlaus Jensen if (~intms & n->irq_status) { 52388eea45cSKlaus Jensen pci_irq_assert(&n->parent_obj); 52488eea45cSKlaus Jensen } else { 52588eea45cSKlaus Jensen pci_irq_deassert(&n->parent_obj); 52688eea45cSKlaus Jensen } 52788eea45cSKlaus Jensen } 52888eea45cSKlaus Jensen 52988eea45cSKlaus Jensen static void nvme_irq_assert(NvmeCtrl *n, NvmeCQueue *cq) 53088eea45cSKlaus Jensen { 53188eea45cSKlaus Jensen if (cq->irq_enabled) { 53288eea45cSKlaus Jensen if (msix_enabled(&(n->parent_obj))) { 53388eea45cSKlaus Jensen trace_pci_nvme_irq_msix(cq->vector); 53488eea45cSKlaus Jensen msix_notify(&(n->parent_obj), cq->vector); 53588eea45cSKlaus Jensen } else { 53688eea45cSKlaus Jensen trace_pci_nvme_irq_pin(); 53788eea45cSKlaus Jensen assert(cq->vector < 32); 53888eea45cSKlaus Jensen n->irq_status |= 1 << cq->vector; 53988eea45cSKlaus Jensen nvme_irq_check(n); 54088eea45cSKlaus Jensen } 54188eea45cSKlaus Jensen } else { 54288eea45cSKlaus Jensen trace_pci_nvme_irq_masked(); 54388eea45cSKlaus Jensen } 54488eea45cSKlaus Jensen } 54588eea45cSKlaus Jensen 54688eea45cSKlaus Jensen static void nvme_irq_deassert(NvmeCtrl *n, NvmeCQueue *cq) 54788eea45cSKlaus Jensen { 54888eea45cSKlaus Jensen if (cq->irq_enabled) { 54988eea45cSKlaus Jensen if (msix_enabled(&(n->parent_obj))) { 55088eea45cSKlaus Jensen return; 55188eea45cSKlaus Jensen } else { 55288eea45cSKlaus Jensen assert(cq->vector < 32); 55383d7ed5cSKlaus Jensen if (!n->cq_pending) { 55488eea45cSKlaus Jensen n->irq_status &= ~(1 << cq->vector); 55583d7ed5cSKlaus Jensen } 55688eea45cSKlaus Jensen nvme_irq_check(n); 55788eea45cSKlaus Jensen } 55888eea45cSKlaus Jensen } 55988eea45cSKlaus Jensen } 56088eea45cSKlaus Jensen 56188eea45cSKlaus Jensen static void nvme_req_clear(NvmeRequest *req) 56288eea45cSKlaus Jensen { 56388eea45cSKlaus Jensen req->ns = NULL; 56488eea45cSKlaus Jensen req->opaque = NULL; 56588eea45cSKlaus Jensen req->aiocb = NULL; 56688eea45cSKlaus Jensen memset(&req->cqe, 0x0, sizeof(req->cqe)); 56788eea45cSKlaus Jensen req->status = NVME_SUCCESS; 56888eea45cSKlaus Jensen } 56988eea45cSKlaus Jensen 57088eea45cSKlaus Jensen static inline void nvme_sg_init(NvmeCtrl *n, NvmeSg *sg, bool dma) 57188eea45cSKlaus Jensen { 57288eea45cSKlaus Jensen if (dma) { 57388eea45cSKlaus Jensen pci_dma_sglist_init(&sg->qsg, &n->parent_obj, 0); 57488eea45cSKlaus Jensen sg->flags = NVME_SG_DMA; 57588eea45cSKlaus Jensen } else { 57688eea45cSKlaus Jensen qemu_iovec_init(&sg->iov, 0); 57788eea45cSKlaus Jensen } 57888eea45cSKlaus Jensen 57988eea45cSKlaus Jensen sg->flags |= NVME_SG_ALLOC; 58088eea45cSKlaus Jensen } 58188eea45cSKlaus Jensen 58288eea45cSKlaus Jensen static inline void nvme_sg_unmap(NvmeSg *sg) 58388eea45cSKlaus Jensen { 58488eea45cSKlaus Jensen if (!(sg->flags & NVME_SG_ALLOC)) { 58588eea45cSKlaus Jensen return; 58688eea45cSKlaus Jensen } 58788eea45cSKlaus Jensen 58888eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 58988eea45cSKlaus Jensen qemu_sglist_destroy(&sg->qsg); 59088eea45cSKlaus Jensen } else { 59188eea45cSKlaus Jensen qemu_iovec_destroy(&sg->iov); 59288eea45cSKlaus Jensen } 59388eea45cSKlaus Jensen 59488eea45cSKlaus Jensen memset(sg, 0x0, sizeof(*sg)); 59588eea45cSKlaus Jensen } 59688eea45cSKlaus Jensen 59788eea45cSKlaus Jensen /* 59888eea45cSKlaus Jensen * When metadata is transfered as extended LBAs, the DPTR mapped into `sg` 59988eea45cSKlaus Jensen * holds both data and metadata. This function splits the data and metadata 60088eea45cSKlaus Jensen * into two separate QSG/IOVs. 60188eea45cSKlaus Jensen */ 60288eea45cSKlaus Jensen static void nvme_sg_split(NvmeSg *sg, NvmeNamespace *ns, NvmeSg *data, 60388eea45cSKlaus Jensen NvmeSg *mdata) 60488eea45cSKlaus Jensen { 60588eea45cSKlaus Jensen NvmeSg *dst = data; 60688eea45cSKlaus Jensen uint32_t trans_len, count = ns->lbasz; 60788eea45cSKlaus Jensen uint64_t offset = 0; 60888eea45cSKlaus Jensen bool dma = sg->flags & NVME_SG_DMA; 60988eea45cSKlaus Jensen size_t sge_len; 61088eea45cSKlaus Jensen size_t sg_len = dma ? sg->qsg.size : sg->iov.size; 61188eea45cSKlaus Jensen int sg_idx = 0; 61288eea45cSKlaus Jensen 61388eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 61488eea45cSKlaus Jensen 61588eea45cSKlaus Jensen while (sg_len) { 61688eea45cSKlaus Jensen sge_len = dma ? sg->qsg.sg[sg_idx].len : sg->iov.iov[sg_idx].iov_len; 61788eea45cSKlaus Jensen 61888eea45cSKlaus Jensen trans_len = MIN(sg_len, count); 61988eea45cSKlaus Jensen trans_len = MIN(trans_len, sge_len - offset); 62088eea45cSKlaus Jensen 62188eea45cSKlaus Jensen if (dst) { 62288eea45cSKlaus Jensen if (dma) { 62388eea45cSKlaus Jensen qemu_sglist_add(&dst->qsg, sg->qsg.sg[sg_idx].base + offset, 62488eea45cSKlaus Jensen trans_len); 62588eea45cSKlaus Jensen } else { 62688eea45cSKlaus Jensen qemu_iovec_add(&dst->iov, 62788eea45cSKlaus Jensen sg->iov.iov[sg_idx].iov_base + offset, 62888eea45cSKlaus Jensen trans_len); 62988eea45cSKlaus Jensen } 63088eea45cSKlaus Jensen } 63188eea45cSKlaus Jensen 63288eea45cSKlaus Jensen sg_len -= trans_len; 63388eea45cSKlaus Jensen count -= trans_len; 63488eea45cSKlaus Jensen offset += trans_len; 63588eea45cSKlaus Jensen 63688eea45cSKlaus Jensen if (count == 0) { 63788eea45cSKlaus Jensen dst = (dst == data) ? mdata : data; 63888eea45cSKlaus Jensen count = (dst == data) ? ns->lbasz : ns->lbaf.ms; 63988eea45cSKlaus Jensen } 64088eea45cSKlaus Jensen 64188eea45cSKlaus Jensen if (sge_len == offset) { 64288eea45cSKlaus Jensen offset = 0; 64388eea45cSKlaus Jensen sg_idx++; 64488eea45cSKlaus Jensen } 64588eea45cSKlaus Jensen } 64688eea45cSKlaus Jensen } 64788eea45cSKlaus Jensen 64888eea45cSKlaus Jensen static uint16_t nvme_map_addr_cmb(NvmeCtrl *n, QEMUIOVector *iov, hwaddr addr, 64988eea45cSKlaus Jensen size_t len) 65088eea45cSKlaus Jensen { 65188eea45cSKlaus Jensen if (!len) { 65288eea45cSKlaus Jensen return NVME_SUCCESS; 65388eea45cSKlaus Jensen } 65488eea45cSKlaus Jensen 65588eea45cSKlaus Jensen trace_pci_nvme_map_addr_cmb(addr, len); 65688eea45cSKlaus Jensen 65788eea45cSKlaus Jensen if (!nvme_addr_is_cmb(n, addr) || !nvme_addr_is_cmb(n, addr + len - 1)) { 65888eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 65988eea45cSKlaus Jensen } 66088eea45cSKlaus Jensen 66188eea45cSKlaus Jensen qemu_iovec_add(iov, nvme_addr_to_cmb(n, addr), len); 66288eea45cSKlaus Jensen 66388eea45cSKlaus Jensen return NVME_SUCCESS; 66488eea45cSKlaus Jensen } 66588eea45cSKlaus Jensen 66688eea45cSKlaus Jensen static uint16_t nvme_map_addr_pmr(NvmeCtrl *n, QEMUIOVector *iov, hwaddr addr, 66788eea45cSKlaus Jensen size_t len) 66888eea45cSKlaus Jensen { 66988eea45cSKlaus Jensen if (!len) { 67088eea45cSKlaus Jensen return NVME_SUCCESS; 67188eea45cSKlaus Jensen } 67288eea45cSKlaus Jensen 67388eea45cSKlaus Jensen if (!nvme_addr_is_pmr(n, addr) || !nvme_addr_is_pmr(n, addr + len - 1)) { 67488eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 67588eea45cSKlaus Jensen } 67688eea45cSKlaus Jensen 67788eea45cSKlaus Jensen qemu_iovec_add(iov, nvme_addr_to_pmr(n, addr), len); 67888eea45cSKlaus Jensen 67988eea45cSKlaus Jensen return NVME_SUCCESS; 68088eea45cSKlaus Jensen } 68188eea45cSKlaus Jensen 68288eea45cSKlaus Jensen static uint16_t nvme_map_addr(NvmeCtrl *n, NvmeSg *sg, hwaddr addr, size_t len) 68388eea45cSKlaus Jensen { 68488eea45cSKlaus Jensen bool cmb = false, pmr = false; 68588eea45cSKlaus Jensen 68688eea45cSKlaus Jensen if (!len) { 68788eea45cSKlaus Jensen return NVME_SUCCESS; 68888eea45cSKlaus Jensen } 68988eea45cSKlaus Jensen 69088eea45cSKlaus Jensen trace_pci_nvme_map_addr(addr, len); 69188eea45cSKlaus Jensen 692736b0164SKlaus Jensen if (nvme_addr_is_iomem(n, addr)) { 693736b0164SKlaus Jensen return NVME_DATA_TRAS_ERROR; 694736b0164SKlaus Jensen } 695736b0164SKlaus Jensen 69688eea45cSKlaus Jensen if (nvme_addr_is_cmb(n, addr)) { 69788eea45cSKlaus Jensen cmb = true; 69888eea45cSKlaus Jensen } else if (nvme_addr_is_pmr(n, addr)) { 69988eea45cSKlaus Jensen pmr = true; 70088eea45cSKlaus Jensen } 70188eea45cSKlaus Jensen 70288eea45cSKlaus Jensen if (cmb || pmr) { 70388eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 70488eea45cSKlaus Jensen return NVME_INVALID_USE_OF_CMB | NVME_DNR; 70588eea45cSKlaus Jensen } 70688eea45cSKlaus Jensen 70723421473SPadmakar Kalghatgi if (sg->iov.niov + 1 > IOV_MAX) { 70823421473SPadmakar Kalghatgi goto max_mappings_exceeded; 70923421473SPadmakar Kalghatgi } 71023421473SPadmakar Kalghatgi 71188eea45cSKlaus Jensen if (cmb) { 71288eea45cSKlaus Jensen return nvme_map_addr_cmb(n, &sg->iov, addr, len); 71388eea45cSKlaus Jensen } else { 71488eea45cSKlaus Jensen return nvme_map_addr_pmr(n, &sg->iov, addr, len); 71588eea45cSKlaus Jensen } 71688eea45cSKlaus Jensen } 71788eea45cSKlaus Jensen 71888eea45cSKlaus Jensen if (!(sg->flags & NVME_SG_DMA)) { 71988eea45cSKlaus Jensen return NVME_INVALID_USE_OF_CMB | NVME_DNR; 72088eea45cSKlaus Jensen } 72188eea45cSKlaus Jensen 72223421473SPadmakar Kalghatgi if (sg->qsg.nsg + 1 > IOV_MAX) { 72323421473SPadmakar Kalghatgi goto max_mappings_exceeded; 72423421473SPadmakar Kalghatgi } 72523421473SPadmakar Kalghatgi 72688eea45cSKlaus Jensen qemu_sglist_add(&sg->qsg, addr, len); 72788eea45cSKlaus Jensen 72888eea45cSKlaus Jensen return NVME_SUCCESS; 72923421473SPadmakar Kalghatgi 73023421473SPadmakar Kalghatgi max_mappings_exceeded: 73123421473SPadmakar Kalghatgi NVME_GUEST_ERR(pci_nvme_ub_too_many_mappings, 73223421473SPadmakar Kalghatgi "number of mappings exceed 1024"); 73323421473SPadmakar Kalghatgi return NVME_INTERNAL_DEV_ERROR | NVME_DNR; 73488eea45cSKlaus Jensen } 73588eea45cSKlaus Jensen 73688eea45cSKlaus Jensen static inline bool nvme_addr_is_dma(NvmeCtrl *n, hwaddr addr) 73788eea45cSKlaus Jensen { 73888eea45cSKlaus Jensen return !(nvme_addr_is_cmb(n, addr) || nvme_addr_is_pmr(n, addr)); 73988eea45cSKlaus Jensen } 74088eea45cSKlaus Jensen 74188eea45cSKlaus Jensen static uint16_t nvme_map_prp(NvmeCtrl *n, NvmeSg *sg, uint64_t prp1, 74288eea45cSKlaus Jensen uint64_t prp2, uint32_t len) 74388eea45cSKlaus Jensen { 74488eea45cSKlaus Jensen hwaddr trans_len = n->page_size - (prp1 % n->page_size); 74588eea45cSKlaus Jensen trans_len = MIN(len, trans_len); 74688eea45cSKlaus Jensen int num_prps = (len >> n->page_bits) + 1; 74788eea45cSKlaus Jensen uint16_t status; 74888eea45cSKlaus Jensen int ret; 74988eea45cSKlaus Jensen 75088eea45cSKlaus Jensen trace_pci_nvme_map_prp(trans_len, len, prp1, prp2, num_prps); 75188eea45cSKlaus Jensen 75288eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, prp1)); 75388eea45cSKlaus Jensen 75488eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp1, trans_len); 75588eea45cSKlaus Jensen if (status) { 75688eea45cSKlaus Jensen goto unmap; 75788eea45cSKlaus Jensen } 75888eea45cSKlaus Jensen 75988eea45cSKlaus Jensen len -= trans_len; 76088eea45cSKlaus Jensen if (len) { 76188eea45cSKlaus Jensen if (len > n->page_size) { 76288eea45cSKlaus Jensen uint64_t prp_list[n->max_prp_ents]; 76388eea45cSKlaus Jensen uint32_t nents, prp_trans; 76488eea45cSKlaus Jensen int i = 0; 76588eea45cSKlaus Jensen 76688eea45cSKlaus Jensen /* 76788eea45cSKlaus Jensen * The first PRP list entry, pointed to by PRP2 may contain offset. 76888eea45cSKlaus Jensen * Hence, we need to calculate the number of entries in based on 76988eea45cSKlaus Jensen * that offset. 77088eea45cSKlaus Jensen */ 77188eea45cSKlaus Jensen nents = (n->page_size - (prp2 & (n->page_size - 1))) >> 3; 77288eea45cSKlaus Jensen prp_trans = MIN(n->max_prp_ents, nents) * sizeof(uint64_t); 77388eea45cSKlaus Jensen ret = nvme_addr_read(n, prp2, (void *)prp_list, prp_trans); 77488eea45cSKlaus Jensen if (ret) { 77588eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(prp2); 77688eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 77788eea45cSKlaus Jensen goto unmap; 77888eea45cSKlaus Jensen } 77988eea45cSKlaus Jensen while (len != 0) { 78088eea45cSKlaus Jensen uint64_t prp_ent = le64_to_cpu(prp_list[i]); 78188eea45cSKlaus Jensen 78288eea45cSKlaus Jensen if (i == nents - 1 && len > n->page_size) { 78388eea45cSKlaus Jensen if (unlikely(prp_ent & (n->page_size - 1))) { 78488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prplist_ent(prp_ent); 78588eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 78688eea45cSKlaus Jensen goto unmap; 78788eea45cSKlaus Jensen } 78888eea45cSKlaus Jensen 78988eea45cSKlaus Jensen i = 0; 79088eea45cSKlaus Jensen nents = (len + n->page_size - 1) >> n->page_bits; 79188eea45cSKlaus Jensen nents = MIN(nents, n->max_prp_ents); 79288eea45cSKlaus Jensen prp_trans = nents * sizeof(uint64_t); 79388eea45cSKlaus Jensen ret = nvme_addr_read(n, prp_ent, (void *)prp_list, 79488eea45cSKlaus Jensen prp_trans); 79588eea45cSKlaus Jensen if (ret) { 79688eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(prp_ent); 79788eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 79888eea45cSKlaus Jensen goto unmap; 79988eea45cSKlaus Jensen } 80088eea45cSKlaus Jensen prp_ent = le64_to_cpu(prp_list[i]); 80188eea45cSKlaus Jensen } 80288eea45cSKlaus Jensen 80388eea45cSKlaus Jensen if (unlikely(prp_ent & (n->page_size - 1))) { 80488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prplist_ent(prp_ent); 80588eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 80688eea45cSKlaus Jensen goto unmap; 80788eea45cSKlaus Jensen } 80888eea45cSKlaus Jensen 80988eea45cSKlaus Jensen trans_len = MIN(len, n->page_size); 81088eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp_ent, trans_len); 81188eea45cSKlaus Jensen if (status) { 81288eea45cSKlaus Jensen goto unmap; 81388eea45cSKlaus Jensen } 81488eea45cSKlaus Jensen 81588eea45cSKlaus Jensen len -= trans_len; 81688eea45cSKlaus Jensen i++; 81788eea45cSKlaus Jensen } 81888eea45cSKlaus Jensen } else { 81988eea45cSKlaus Jensen if (unlikely(prp2 & (n->page_size - 1))) { 82088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prp2_align(prp2); 82188eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 82288eea45cSKlaus Jensen goto unmap; 82388eea45cSKlaus Jensen } 82488eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp2, len); 82588eea45cSKlaus Jensen if (status) { 82688eea45cSKlaus Jensen goto unmap; 82788eea45cSKlaus Jensen } 82888eea45cSKlaus Jensen } 82988eea45cSKlaus Jensen } 83088eea45cSKlaus Jensen 83188eea45cSKlaus Jensen return NVME_SUCCESS; 83288eea45cSKlaus Jensen 83388eea45cSKlaus Jensen unmap: 83488eea45cSKlaus Jensen nvme_sg_unmap(sg); 83588eea45cSKlaus Jensen return status; 83688eea45cSKlaus Jensen } 83788eea45cSKlaus Jensen 83888eea45cSKlaus Jensen /* 83988eea45cSKlaus Jensen * Map 'nsgld' data descriptors from 'segment'. The function will subtract the 84088eea45cSKlaus Jensen * number of bytes mapped in len. 84188eea45cSKlaus Jensen */ 84288eea45cSKlaus Jensen static uint16_t nvme_map_sgl_data(NvmeCtrl *n, NvmeSg *sg, 84388eea45cSKlaus Jensen NvmeSglDescriptor *segment, uint64_t nsgld, 84488eea45cSKlaus Jensen size_t *len, NvmeCmd *cmd) 84588eea45cSKlaus Jensen { 84688eea45cSKlaus Jensen dma_addr_t addr, trans_len; 84788eea45cSKlaus Jensen uint32_t dlen; 84888eea45cSKlaus Jensen uint16_t status; 84988eea45cSKlaus Jensen 85088eea45cSKlaus Jensen for (int i = 0; i < nsgld; i++) { 85188eea45cSKlaus Jensen uint8_t type = NVME_SGL_TYPE(segment[i].type); 85288eea45cSKlaus Jensen 85388eea45cSKlaus Jensen switch (type) { 85488eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_DATA_BLOCK: 85588eea45cSKlaus Jensen break; 85688eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_SEGMENT: 85788eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_LAST_SEGMENT: 85888eea45cSKlaus Jensen return NVME_INVALID_NUM_SGL_DESCRS | NVME_DNR; 85988eea45cSKlaus Jensen default: 86088eea45cSKlaus Jensen return NVME_SGL_DESCR_TYPE_INVALID | NVME_DNR; 86188eea45cSKlaus Jensen } 86288eea45cSKlaus Jensen 86388eea45cSKlaus Jensen dlen = le32_to_cpu(segment[i].len); 86488eea45cSKlaus Jensen 86588eea45cSKlaus Jensen if (!dlen) { 86688eea45cSKlaus Jensen continue; 86788eea45cSKlaus Jensen } 86888eea45cSKlaus Jensen 86988eea45cSKlaus Jensen if (*len == 0) { 87088eea45cSKlaus Jensen /* 87188eea45cSKlaus Jensen * All data has been mapped, but the SGL contains additional 87288eea45cSKlaus Jensen * segments and/or descriptors. The controller might accept 87388eea45cSKlaus Jensen * ignoring the rest of the SGL. 87488eea45cSKlaus Jensen */ 87588eea45cSKlaus Jensen uint32_t sgls = le32_to_cpu(n->id_ctrl.sgls); 87688eea45cSKlaus Jensen if (sgls & NVME_CTRL_SGLS_EXCESS_LENGTH) { 87788eea45cSKlaus Jensen break; 87888eea45cSKlaus Jensen } 87988eea45cSKlaus Jensen 88088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_sgl_excess_length(dlen); 88188eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 88288eea45cSKlaus Jensen } 88388eea45cSKlaus Jensen 88488eea45cSKlaus Jensen trans_len = MIN(*len, dlen); 88588eea45cSKlaus Jensen 88688eea45cSKlaus Jensen addr = le64_to_cpu(segment[i].addr); 88788eea45cSKlaus Jensen 88888eea45cSKlaus Jensen if (UINT64_MAX - addr < dlen) { 88988eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 89088eea45cSKlaus Jensen } 89188eea45cSKlaus Jensen 89288eea45cSKlaus Jensen status = nvme_map_addr(n, sg, addr, trans_len); 89388eea45cSKlaus Jensen if (status) { 89488eea45cSKlaus Jensen return status; 89588eea45cSKlaus Jensen } 89688eea45cSKlaus Jensen 89788eea45cSKlaus Jensen *len -= trans_len; 89888eea45cSKlaus Jensen } 89988eea45cSKlaus Jensen 90088eea45cSKlaus Jensen return NVME_SUCCESS; 90188eea45cSKlaus Jensen } 90288eea45cSKlaus Jensen 90388eea45cSKlaus Jensen static uint16_t nvme_map_sgl(NvmeCtrl *n, NvmeSg *sg, NvmeSglDescriptor sgl, 90488eea45cSKlaus Jensen size_t len, NvmeCmd *cmd) 90588eea45cSKlaus Jensen { 90688eea45cSKlaus Jensen /* 90788eea45cSKlaus Jensen * Read the segment in chunks of 256 descriptors (one 4k page) to avoid 90888eea45cSKlaus Jensen * dynamically allocating a potentially huge SGL. The spec allows the SGL 90988eea45cSKlaus Jensen * to be larger (as in number of bytes required to describe the SGL 91088eea45cSKlaus Jensen * descriptors and segment chain) than the command transfer size, so it is 91188eea45cSKlaus Jensen * not bounded by MDTS. 91288eea45cSKlaus Jensen */ 91388eea45cSKlaus Jensen const int SEG_CHUNK_SIZE = 256; 91488eea45cSKlaus Jensen 91588eea45cSKlaus Jensen NvmeSglDescriptor segment[SEG_CHUNK_SIZE], *sgld, *last_sgld; 91688eea45cSKlaus Jensen uint64_t nsgld; 91788eea45cSKlaus Jensen uint32_t seg_len; 91888eea45cSKlaus Jensen uint16_t status; 91988eea45cSKlaus Jensen hwaddr addr; 92088eea45cSKlaus Jensen int ret; 92188eea45cSKlaus Jensen 92288eea45cSKlaus Jensen sgld = &sgl; 92388eea45cSKlaus Jensen addr = le64_to_cpu(sgl.addr); 92488eea45cSKlaus Jensen 92588eea45cSKlaus Jensen trace_pci_nvme_map_sgl(NVME_SGL_TYPE(sgl.type), len); 92688eea45cSKlaus Jensen 92788eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, addr)); 92888eea45cSKlaus Jensen 92988eea45cSKlaus Jensen /* 93088eea45cSKlaus Jensen * If the entire transfer can be described with a single data block it can 93188eea45cSKlaus Jensen * be mapped directly. 93288eea45cSKlaus Jensen */ 93388eea45cSKlaus Jensen if (NVME_SGL_TYPE(sgl.type) == NVME_SGL_DESCR_TYPE_DATA_BLOCK) { 93488eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, sgld, 1, &len, cmd); 93588eea45cSKlaus Jensen if (status) { 93688eea45cSKlaus Jensen goto unmap; 93788eea45cSKlaus Jensen } 93888eea45cSKlaus Jensen 93988eea45cSKlaus Jensen goto out; 94088eea45cSKlaus Jensen } 94188eea45cSKlaus Jensen 94288eea45cSKlaus Jensen for (;;) { 94388eea45cSKlaus Jensen switch (NVME_SGL_TYPE(sgld->type)) { 94488eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_SEGMENT: 94588eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_LAST_SEGMENT: 94688eea45cSKlaus Jensen break; 94788eea45cSKlaus Jensen default: 94888eea45cSKlaus Jensen return NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 94988eea45cSKlaus Jensen } 95088eea45cSKlaus Jensen 95188eea45cSKlaus Jensen seg_len = le32_to_cpu(sgld->len); 95288eea45cSKlaus Jensen 95388eea45cSKlaus Jensen /* check the length of the (Last) Segment descriptor */ 954b9147a3aSKlaus Jensen if (!seg_len || seg_len & 0xf) { 95588eea45cSKlaus Jensen return NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 95688eea45cSKlaus Jensen } 95788eea45cSKlaus Jensen 95888eea45cSKlaus Jensen if (UINT64_MAX - addr < seg_len) { 95988eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 96088eea45cSKlaus Jensen } 96188eea45cSKlaus Jensen 96288eea45cSKlaus Jensen nsgld = seg_len / sizeof(NvmeSglDescriptor); 96388eea45cSKlaus Jensen 96488eea45cSKlaus Jensen while (nsgld > SEG_CHUNK_SIZE) { 96588eea45cSKlaus Jensen if (nvme_addr_read(n, addr, segment, sizeof(segment))) { 96688eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 96788eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 96888eea45cSKlaus Jensen goto unmap; 96988eea45cSKlaus Jensen } 97088eea45cSKlaus Jensen 97188eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, SEG_CHUNK_SIZE, 97288eea45cSKlaus Jensen &len, cmd); 97388eea45cSKlaus Jensen if (status) { 97488eea45cSKlaus Jensen goto unmap; 97588eea45cSKlaus Jensen } 97688eea45cSKlaus Jensen 97788eea45cSKlaus Jensen nsgld -= SEG_CHUNK_SIZE; 97888eea45cSKlaus Jensen addr += SEG_CHUNK_SIZE * sizeof(NvmeSglDescriptor); 97988eea45cSKlaus Jensen } 98088eea45cSKlaus Jensen 98188eea45cSKlaus Jensen ret = nvme_addr_read(n, addr, segment, nsgld * 98288eea45cSKlaus Jensen sizeof(NvmeSglDescriptor)); 98388eea45cSKlaus Jensen if (ret) { 98488eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 98588eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 98688eea45cSKlaus Jensen goto unmap; 98788eea45cSKlaus Jensen } 98888eea45cSKlaus Jensen 98988eea45cSKlaus Jensen last_sgld = &segment[nsgld - 1]; 99088eea45cSKlaus Jensen 99188eea45cSKlaus Jensen /* 992b9147a3aSKlaus Jensen * If the segment ends with a Data Block, then we are done. 99388eea45cSKlaus Jensen */ 994b9147a3aSKlaus Jensen if (NVME_SGL_TYPE(last_sgld->type) == NVME_SGL_DESCR_TYPE_DATA_BLOCK) { 99588eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, nsgld, &len, cmd); 99688eea45cSKlaus Jensen if (status) { 99788eea45cSKlaus Jensen goto unmap; 99888eea45cSKlaus Jensen } 99988eea45cSKlaus Jensen 100088eea45cSKlaus Jensen goto out; 100188eea45cSKlaus Jensen } 100288eea45cSKlaus Jensen 100388eea45cSKlaus Jensen /* 1004b9147a3aSKlaus Jensen * If the last descriptor was not a Data Block, then the current 1005b9147a3aSKlaus Jensen * segment must not be a Last Segment. 100688eea45cSKlaus Jensen */ 100788eea45cSKlaus Jensen if (NVME_SGL_TYPE(sgld->type) == NVME_SGL_DESCR_TYPE_LAST_SEGMENT) { 100888eea45cSKlaus Jensen status = NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 100988eea45cSKlaus Jensen goto unmap; 101088eea45cSKlaus Jensen } 101188eea45cSKlaus Jensen 101288eea45cSKlaus Jensen sgld = last_sgld; 101388eea45cSKlaus Jensen addr = le64_to_cpu(sgld->addr); 101488eea45cSKlaus Jensen 101588eea45cSKlaus Jensen /* 101688eea45cSKlaus Jensen * Do not map the last descriptor; it will be a Segment or Last Segment 101788eea45cSKlaus Jensen * descriptor and is handled by the next iteration. 101888eea45cSKlaus Jensen */ 101988eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, nsgld - 1, &len, cmd); 102088eea45cSKlaus Jensen if (status) { 102188eea45cSKlaus Jensen goto unmap; 102288eea45cSKlaus Jensen } 102388eea45cSKlaus Jensen } 102488eea45cSKlaus Jensen 102588eea45cSKlaus Jensen out: 102688eea45cSKlaus Jensen /* if there is any residual left in len, the SGL was too short */ 102788eea45cSKlaus Jensen if (len) { 102888eea45cSKlaus Jensen status = NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 102988eea45cSKlaus Jensen goto unmap; 103088eea45cSKlaus Jensen } 103188eea45cSKlaus Jensen 103288eea45cSKlaus Jensen return NVME_SUCCESS; 103388eea45cSKlaus Jensen 103488eea45cSKlaus Jensen unmap: 103588eea45cSKlaus Jensen nvme_sg_unmap(sg); 103688eea45cSKlaus Jensen return status; 103788eea45cSKlaus Jensen } 103888eea45cSKlaus Jensen 103988eea45cSKlaus Jensen uint16_t nvme_map_dptr(NvmeCtrl *n, NvmeSg *sg, size_t len, 104088eea45cSKlaus Jensen NvmeCmd *cmd) 104188eea45cSKlaus Jensen { 104288eea45cSKlaus Jensen uint64_t prp1, prp2; 104388eea45cSKlaus Jensen 104488eea45cSKlaus Jensen switch (NVME_CMD_FLAGS_PSDT(cmd->flags)) { 104588eea45cSKlaus Jensen case NVME_PSDT_PRP: 104688eea45cSKlaus Jensen prp1 = le64_to_cpu(cmd->dptr.prp1); 104788eea45cSKlaus Jensen prp2 = le64_to_cpu(cmd->dptr.prp2); 104888eea45cSKlaus Jensen 104988eea45cSKlaus Jensen return nvme_map_prp(n, sg, prp1, prp2, len); 105088eea45cSKlaus Jensen case NVME_PSDT_SGL_MPTR_CONTIGUOUS: 105188eea45cSKlaus Jensen case NVME_PSDT_SGL_MPTR_SGL: 105288eea45cSKlaus Jensen return nvme_map_sgl(n, sg, cmd->dptr.sgl, len, cmd); 105388eea45cSKlaus Jensen default: 105488eea45cSKlaus Jensen return NVME_INVALID_FIELD; 105588eea45cSKlaus Jensen } 105688eea45cSKlaus Jensen } 105788eea45cSKlaus Jensen 105888eea45cSKlaus Jensen static uint16_t nvme_map_mptr(NvmeCtrl *n, NvmeSg *sg, size_t len, 105988eea45cSKlaus Jensen NvmeCmd *cmd) 106088eea45cSKlaus Jensen { 106188eea45cSKlaus Jensen int psdt = NVME_CMD_FLAGS_PSDT(cmd->flags); 106288eea45cSKlaus Jensen hwaddr mptr = le64_to_cpu(cmd->mptr); 106388eea45cSKlaus Jensen uint16_t status; 106488eea45cSKlaus Jensen 106588eea45cSKlaus Jensen if (psdt == NVME_PSDT_SGL_MPTR_SGL) { 106688eea45cSKlaus Jensen NvmeSglDescriptor sgl; 106788eea45cSKlaus Jensen 106888eea45cSKlaus Jensen if (nvme_addr_read(n, mptr, &sgl, sizeof(sgl))) { 106988eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 107088eea45cSKlaus Jensen } 107188eea45cSKlaus Jensen 107288eea45cSKlaus Jensen status = nvme_map_sgl(n, sg, sgl, len, cmd); 107388eea45cSKlaus Jensen if (status && (status & 0x7ff) == NVME_DATA_SGL_LEN_INVALID) { 107488eea45cSKlaus Jensen status = NVME_MD_SGL_LEN_INVALID | NVME_DNR; 107588eea45cSKlaus Jensen } 107688eea45cSKlaus Jensen 107788eea45cSKlaus Jensen return status; 107888eea45cSKlaus Jensen } 107988eea45cSKlaus Jensen 108088eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, mptr)); 108188eea45cSKlaus Jensen status = nvme_map_addr(n, sg, mptr, len); 108288eea45cSKlaus Jensen if (status) { 108388eea45cSKlaus Jensen nvme_sg_unmap(sg); 108488eea45cSKlaus Jensen } 108588eea45cSKlaus Jensen 108688eea45cSKlaus Jensen return status; 108788eea45cSKlaus Jensen } 108888eea45cSKlaus Jensen 108988eea45cSKlaus Jensen static uint16_t nvme_map_data(NvmeCtrl *n, uint32_t nlb, NvmeRequest *req) 109088eea45cSKlaus Jensen { 109188eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 109288eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 10932a132309SKlaus Jensen bool pi = !!NVME_ID_NS_DPS_TYPE(ns->id_ns.dps); 10942a132309SKlaus Jensen bool pract = !!(le16_to_cpu(rw->control) & NVME_RW_PRINFO_PRACT); 109588eea45cSKlaus Jensen size_t len = nvme_l2b(ns, nlb); 109688eea45cSKlaus Jensen uint16_t status; 109788eea45cSKlaus Jensen 1098ac0b34c5SKlaus Jensen if (nvme_ns_ext(ns) && 1099ac0b34c5SKlaus Jensen !(pi && pract && ns->lbaf.ms == nvme_pi_tuple_size(ns))) { 110088eea45cSKlaus Jensen NvmeSg sg; 110188eea45cSKlaus Jensen 110288eea45cSKlaus Jensen len += nvme_m2b(ns, nlb); 110388eea45cSKlaus Jensen 110488eea45cSKlaus Jensen status = nvme_map_dptr(n, &sg, len, &req->cmd); 110588eea45cSKlaus Jensen if (status) { 110688eea45cSKlaus Jensen return status; 110788eea45cSKlaus Jensen } 110888eea45cSKlaus Jensen 110988eea45cSKlaus Jensen nvme_sg_init(n, &req->sg, sg.flags & NVME_SG_DMA); 111088eea45cSKlaus Jensen nvme_sg_split(&sg, ns, &req->sg, NULL); 111188eea45cSKlaus Jensen nvme_sg_unmap(&sg); 111288eea45cSKlaus Jensen 111388eea45cSKlaus Jensen return NVME_SUCCESS; 111488eea45cSKlaus Jensen } 111588eea45cSKlaus Jensen 111688eea45cSKlaus Jensen return nvme_map_dptr(n, &req->sg, len, &req->cmd); 111788eea45cSKlaus Jensen } 111888eea45cSKlaus Jensen 111988eea45cSKlaus Jensen static uint16_t nvme_map_mdata(NvmeCtrl *n, uint32_t nlb, NvmeRequest *req) 112088eea45cSKlaus Jensen { 112188eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 112288eea45cSKlaus Jensen size_t len = nvme_m2b(ns, nlb); 112388eea45cSKlaus Jensen uint16_t status; 112488eea45cSKlaus Jensen 112588eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 112688eea45cSKlaus Jensen NvmeSg sg; 112788eea45cSKlaus Jensen 112888eea45cSKlaus Jensen len += nvme_l2b(ns, nlb); 112988eea45cSKlaus Jensen 113088eea45cSKlaus Jensen status = nvme_map_dptr(n, &sg, len, &req->cmd); 113188eea45cSKlaus Jensen if (status) { 113288eea45cSKlaus Jensen return status; 113388eea45cSKlaus Jensen } 113488eea45cSKlaus Jensen 113588eea45cSKlaus Jensen nvme_sg_init(n, &req->sg, sg.flags & NVME_SG_DMA); 113688eea45cSKlaus Jensen nvme_sg_split(&sg, ns, NULL, &req->sg); 113788eea45cSKlaus Jensen nvme_sg_unmap(&sg); 113888eea45cSKlaus Jensen 113988eea45cSKlaus Jensen return NVME_SUCCESS; 114088eea45cSKlaus Jensen } 114188eea45cSKlaus Jensen 114288eea45cSKlaus Jensen return nvme_map_mptr(n, &req->sg, len, &req->cmd); 114388eea45cSKlaus Jensen } 114488eea45cSKlaus Jensen 114588eea45cSKlaus Jensen static uint16_t nvme_tx_interleaved(NvmeCtrl *n, NvmeSg *sg, uint8_t *ptr, 114688eea45cSKlaus Jensen uint32_t len, uint32_t bytes, 114788eea45cSKlaus Jensen int32_t skip_bytes, int64_t offset, 114888eea45cSKlaus Jensen NvmeTxDirection dir) 114988eea45cSKlaus Jensen { 115088eea45cSKlaus Jensen hwaddr addr; 115188eea45cSKlaus Jensen uint32_t trans_len, count = bytes; 115288eea45cSKlaus Jensen bool dma = sg->flags & NVME_SG_DMA; 115388eea45cSKlaus Jensen int64_t sge_len; 115488eea45cSKlaus Jensen int sg_idx = 0; 115588eea45cSKlaus Jensen int ret; 115688eea45cSKlaus Jensen 115788eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 115888eea45cSKlaus Jensen 115988eea45cSKlaus Jensen while (len) { 116088eea45cSKlaus Jensen sge_len = dma ? sg->qsg.sg[sg_idx].len : sg->iov.iov[sg_idx].iov_len; 116188eea45cSKlaus Jensen 116288eea45cSKlaus Jensen if (sge_len - offset < 0) { 116388eea45cSKlaus Jensen offset -= sge_len; 116488eea45cSKlaus Jensen sg_idx++; 116588eea45cSKlaus Jensen continue; 116688eea45cSKlaus Jensen } 116788eea45cSKlaus Jensen 116888eea45cSKlaus Jensen if (sge_len == offset) { 116988eea45cSKlaus Jensen offset = 0; 117088eea45cSKlaus Jensen sg_idx++; 117188eea45cSKlaus Jensen continue; 117288eea45cSKlaus Jensen } 117388eea45cSKlaus Jensen 117488eea45cSKlaus Jensen trans_len = MIN(len, count); 117588eea45cSKlaus Jensen trans_len = MIN(trans_len, sge_len - offset); 117688eea45cSKlaus Jensen 117788eea45cSKlaus Jensen if (dma) { 117888eea45cSKlaus Jensen addr = sg->qsg.sg[sg_idx].base + offset; 117988eea45cSKlaus Jensen } else { 118088eea45cSKlaus Jensen addr = (hwaddr)(uintptr_t)sg->iov.iov[sg_idx].iov_base + offset; 118188eea45cSKlaus Jensen } 118288eea45cSKlaus Jensen 118388eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 118488eea45cSKlaus Jensen ret = nvme_addr_read(n, addr, ptr, trans_len); 118588eea45cSKlaus Jensen } else { 118688eea45cSKlaus Jensen ret = nvme_addr_write(n, addr, ptr, trans_len); 118788eea45cSKlaus Jensen } 118888eea45cSKlaus Jensen 118988eea45cSKlaus Jensen if (ret) { 119088eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 119188eea45cSKlaus Jensen } 119288eea45cSKlaus Jensen 119388eea45cSKlaus Jensen ptr += trans_len; 119488eea45cSKlaus Jensen len -= trans_len; 119588eea45cSKlaus Jensen count -= trans_len; 119688eea45cSKlaus Jensen offset += trans_len; 119788eea45cSKlaus Jensen 119888eea45cSKlaus Jensen if (count == 0) { 119988eea45cSKlaus Jensen count = bytes; 120088eea45cSKlaus Jensen offset += skip_bytes; 120188eea45cSKlaus Jensen } 120288eea45cSKlaus Jensen } 120388eea45cSKlaus Jensen 120488eea45cSKlaus Jensen return NVME_SUCCESS; 120588eea45cSKlaus Jensen } 120688eea45cSKlaus Jensen 12078d3a17beSPhilippe Mathieu-Daudé static uint16_t nvme_tx(NvmeCtrl *n, NvmeSg *sg, void *ptr, uint32_t len, 120888eea45cSKlaus Jensen NvmeTxDirection dir) 120988eea45cSKlaus Jensen { 121088eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 121188eea45cSKlaus Jensen 121288eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 1213392e48afSPhilippe Mathieu-Daudé const MemTxAttrs attrs = MEMTXATTRS_UNSPECIFIED; 1214bfa30f39SPhilippe Mathieu-Daudé dma_addr_t residual; 121588eea45cSKlaus Jensen 121688eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 1217f02b664aSPhilippe Mathieu-Daudé dma_buf_write(ptr, len, &residual, &sg->qsg, attrs); 121888eea45cSKlaus Jensen } else { 1219f02b664aSPhilippe Mathieu-Daudé dma_buf_read(ptr, len, &residual, &sg->qsg, attrs); 122088eea45cSKlaus Jensen } 122188eea45cSKlaus Jensen 122288eea45cSKlaus Jensen if (unlikely(residual)) { 122388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_dma(); 122488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 122588eea45cSKlaus Jensen } 122688eea45cSKlaus Jensen } else { 122788eea45cSKlaus Jensen size_t bytes; 122888eea45cSKlaus Jensen 122988eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 123088eea45cSKlaus Jensen bytes = qemu_iovec_to_buf(&sg->iov, 0, ptr, len); 123188eea45cSKlaus Jensen } else { 123288eea45cSKlaus Jensen bytes = qemu_iovec_from_buf(&sg->iov, 0, ptr, len); 123388eea45cSKlaus Jensen } 123488eea45cSKlaus Jensen 123588eea45cSKlaus Jensen if (unlikely(bytes != len)) { 123688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_dma(); 123788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 123888eea45cSKlaus Jensen } 123988eea45cSKlaus Jensen } 124088eea45cSKlaus Jensen 124188eea45cSKlaus Jensen return NVME_SUCCESS; 124288eea45cSKlaus Jensen } 124388eea45cSKlaus Jensen 12448d3a17beSPhilippe Mathieu-Daudé static inline uint16_t nvme_c2h(NvmeCtrl *n, void *ptr, uint32_t len, 124588eea45cSKlaus Jensen NvmeRequest *req) 124688eea45cSKlaus Jensen { 124788eea45cSKlaus Jensen uint16_t status; 124888eea45cSKlaus Jensen 124988eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 125088eea45cSKlaus Jensen if (status) { 125188eea45cSKlaus Jensen return status; 125288eea45cSKlaus Jensen } 125388eea45cSKlaus Jensen 125488eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, NVME_TX_DIRECTION_FROM_DEVICE); 125588eea45cSKlaus Jensen } 125688eea45cSKlaus Jensen 12578d3a17beSPhilippe Mathieu-Daudé static inline uint16_t nvme_h2c(NvmeCtrl *n, void *ptr, uint32_t len, 125888eea45cSKlaus Jensen NvmeRequest *req) 125988eea45cSKlaus Jensen { 126088eea45cSKlaus Jensen uint16_t status; 126188eea45cSKlaus Jensen 126288eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 126388eea45cSKlaus Jensen if (status) { 126488eea45cSKlaus Jensen return status; 126588eea45cSKlaus Jensen } 126688eea45cSKlaus Jensen 126788eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, NVME_TX_DIRECTION_TO_DEVICE); 126888eea45cSKlaus Jensen } 126988eea45cSKlaus Jensen 12708d3a17beSPhilippe Mathieu-Daudé uint16_t nvme_bounce_data(NvmeCtrl *n, void *ptr, uint32_t len, 127188eea45cSKlaus Jensen NvmeTxDirection dir, NvmeRequest *req) 127288eea45cSKlaus Jensen { 127388eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 127488eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 12752a132309SKlaus Jensen bool pi = !!NVME_ID_NS_DPS_TYPE(ns->id_ns.dps); 12762a132309SKlaus Jensen bool pract = !!(le16_to_cpu(rw->control) & NVME_RW_PRINFO_PRACT); 127788eea45cSKlaus Jensen 1278ac0b34c5SKlaus Jensen if (nvme_ns_ext(ns) && 1279ac0b34c5SKlaus Jensen !(pi && pract && ns->lbaf.ms == nvme_pi_tuple_size(ns))) { 128088eea45cSKlaus Jensen return nvme_tx_interleaved(n, &req->sg, ptr, len, ns->lbasz, 128188eea45cSKlaus Jensen ns->lbaf.ms, 0, dir); 128288eea45cSKlaus Jensen } 128388eea45cSKlaus Jensen 128488eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, dir); 128588eea45cSKlaus Jensen } 128688eea45cSKlaus Jensen 12878d3a17beSPhilippe Mathieu-Daudé uint16_t nvme_bounce_mdata(NvmeCtrl *n, void *ptr, uint32_t len, 128888eea45cSKlaus Jensen NvmeTxDirection dir, NvmeRequest *req) 128988eea45cSKlaus Jensen { 129088eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 129188eea45cSKlaus Jensen uint16_t status; 129288eea45cSKlaus Jensen 129388eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 129488eea45cSKlaus Jensen return nvme_tx_interleaved(n, &req->sg, ptr, len, ns->lbaf.ms, 129588eea45cSKlaus Jensen ns->lbasz, ns->lbasz, dir); 129688eea45cSKlaus Jensen } 129788eea45cSKlaus Jensen 129888eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 129988eea45cSKlaus Jensen 130088eea45cSKlaus Jensen status = nvme_map_mptr(n, &req->sg, len, &req->cmd); 130188eea45cSKlaus Jensen if (status) { 130288eea45cSKlaus Jensen return status; 130388eea45cSKlaus Jensen } 130488eea45cSKlaus Jensen 130588eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, dir); 130688eea45cSKlaus Jensen } 130788eea45cSKlaus Jensen 130888eea45cSKlaus Jensen static inline void nvme_blk_read(BlockBackend *blk, int64_t offset, 130988eea45cSKlaus Jensen BlockCompletionFunc *cb, NvmeRequest *req) 131088eea45cSKlaus Jensen { 131188eea45cSKlaus Jensen assert(req->sg.flags & NVME_SG_ALLOC); 131288eea45cSKlaus Jensen 131388eea45cSKlaus Jensen if (req->sg.flags & NVME_SG_DMA) { 131488eea45cSKlaus Jensen req->aiocb = dma_blk_read(blk, &req->sg.qsg, offset, BDRV_SECTOR_SIZE, 131588eea45cSKlaus Jensen cb, req); 131688eea45cSKlaus Jensen } else { 131788eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &req->sg.iov, 0, cb, req); 131888eea45cSKlaus Jensen } 131988eea45cSKlaus Jensen } 132088eea45cSKlaus Jensen 132188eea45cSKlaus Jensen static inline void nvme_blk_write(BlockBackend *blk, int64_t offset, 132288eea45cSKlaus Jensen BlockCompletionFunc *cb, NvmeRequest *req) 132388eea45cSKlaus Jensen { 132488eea45cSKlaus Jensen assert(req->sg.flags & NVME_SG_ALLOC); 132588eea45cSKlaus Jensen 132688eea45cSKlaus Jensen if (req->sg.flags & NVME_SG_DMA) { 132788eea45cSKlaus Jensen req->aiocb = dma_blk_write(blk, &req->sg.qsg, offset, BDRV_SECTOR_SIZE, 132888eea45cSKlaus Jensen cb, req); 132988eea45cSKlaus Jensen } else { 133088eea45cSKlaus Jensen req->aiocb = blk_aio_pwritev(blk, offset, &req->sg.iov, 0, cb, req); 133188eea45cSKlaus Jensen } 133288eea45cSKlaus Jensen } 133388eea45cSKlaus Jensen 13343f7fe8deSJinhao Fan static void nvme_update_cq_head(NvmeCQueue *cq) 13353f7fe8deSJinhao Fan { 13363f7fe8deSJinhao Fan pci_dma_read(&cq->ctrl->parent_obj, cq->db_addr, &cq->head, 13373f7fe8deSJinhao Fan sizeof(cq->head)); 1338387350d5SJinhao Fan trace_pci_nvme_shadow_doorbell_cq(cq->cqid, cq->head); 13393f7fe8deSJinhao Fan } 13403f7fe8deSJinhao Fan 134188eea45cSKlaus Jensen static void nvme_post_cqes(void *opaque) 134288eea45cSKlaus Jensen { 134388eea45cSKlaus Jensen NvmeCQueue *cq = opaque; 134488eea45cSKlaus Jensen NvmeCtrl *n = cq->ctrl; 134588eea45cSKlaus Jensen NvmeRequest *req, *next; 134683d7ed5cSKlaus Jensen bool pending = cq->head != cq->tail; 134788eea45cSKlaus Jensen int ret; 134888eea45cSKlaus Jensen 134988eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(req, &cq->req_list, entry, next) { 135088eea45cSKlaus Jensen NvmeSQueue *sq; 135188eea45cSKlaus Jensen hwaddr addr; 135288eea45cSKlaus Jensen 13533f7fe8deSJinhao Fan if (n->dbbuf_enabled) { 13543f7fe8deSJinhao Fan nvme_update_cq_head(cq); 13553f7fe8deSJinhao Fan } 13563f7fe8deSJinhao Fan 135788eea45cSKlaus Jensen if (nvme_cq_full(cq)) { 135888eea45cSKlaus Jensen break; 135988eea45cSKlaus Jensen } 136088eea45cSKlaus Jensen 136188eea45cSKlaus Jensen sq = req->sq; 136288eea45cSKlaus Jensen req->cqe.status = cpu_to_le16((req->status << 1) | cq->phase); 136388eea45cSKlaus Jensen req->cqe.sq_id = cpu_to_le16(sq->sqid); 136488eea45cSKlaus Jensen req->cqe.sq_head = cpu_to_le16(sq->head); 136588eea45cSKlaus Jensen addr = cq->dma_addr + cq->tail * n->cqe_size; 136688eea45cSKlaus Jensen ret = pci_dma_write(&n->parent_obj, addr, (void *)&req->cqe, 136788eea45cSKlaus Jensen sizeof(req->cqe)); 136888eea45cSKlaus Jensen if (ret) { 136988eea45cSKlaus Jensen trace_pci_nvme_err_addr_write(addr); 137088eea45cSKlaus Jensen trace_pci_nvme_err_cfs(); 137149e03457SKlaus Jensen stl_le_p(&n->bar.csts, NVME_CSTS_FAILED); 137288eea45cSKlaus Jensen break; 137388eea45cSKlaus Jensen } 137488eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->req_list, req, entry); 137588eea45cSKlaus Jensen nvme_inc_cq_tail(cq); 137688eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 137788eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->req_list, req, entry); 137888eea45cSKlaus Jensen } 137988eea45cSKlaus Jensen if (cq->tail != cq->head) { 138083d7ed5cSKlaus Jensen if (cq->irq_enabled && !pending) { 138183d7ed5cSKlaus Jensen n->cq_pending++; 138283d7ed5cSKlaus Jensen } 138383d7ed5cSKlaus Jensen 138488eea45cSKlaus Jensen nvme_irq_assert(n, cq); 138588eea45cSKlaus Jensen } 138688eea45cSKlaus Jensen } 138788eea45cSKlaus Jensen 138888eea45cSKlaus Jensen static void nvme_enqueue_req_completion(NvmeCQueue *cq, NvmeRequest *req) 138988eea45cSKlaus Jensen { 139088eea45cSKlaus Jensen assert(cq->cqid == req->sq->cqid); 139188eea45cSKlaus Jensen trace_pci_nvme_enqueue_req_completion(nvme_cid(req), cq->cqid, 1392f1c97407SKlaus Jensen le32_to_cpu(req->cqe.result), 1393f1c97407SKlaus Jensen le32_to_cpu(req->cqe.dw1), 139488eea45cSKlaus Jensen req->status); 139588eea45cSKlaus Jensen 139688eea45cSKlaus Jensen if (req->status) { 139788eea45cSKlaus Jensen trace_pci_nvme_err_req_status(nvme_cid(req), nvme_nsid(req->ns), 139888eea45cSKlaus Jensen req->status, req->cmd.opcode); 139988eea45cSKlaus Jensen } 140088eea45cSKlaus Jensen 140188eea45cSKlaus Jensen QTAILQ_REMOVE(&req->sq->out_req_list, req, entry); 140288eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&cq->req_list, req, entry); 14032e53b0b4SJinhao Fan 1404d38cc6fdSKlaus Jensen qemu_bh_schedule(cq->bh); 14052e53b0b4SJinhao Fan } 140688eea45cSKlaus Jensen 140788eea45cSKlaus Jensen static void nvme_process_aers(void *opaque) 140888eea45cSKlaus Jensen { 140988eea45cSKlaus Jensen NvmeCtrl *n = opaque; 141088eea45cSKlaus Jensen NvmeAsyncEvent *event, *next; 141188eea45cSKlaus Jensen 141288eea45cSKlaus Jensen trace_pci_nvme_process_aers(n->aer_queued); 141388eea45cSKlaus Jensen 141488eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(event, &n->aer_queue, entry, next) { 141588eea45cSKlaus Jensen NvmeRequest *req; 141688eea45cSKlaus Jensen NvmeAerResult *result; 141788eea45cSKlaus Jensen 141888eea45cSKlaus Jensen /* can't post cqe if there is nothing to complete */ 141988eea45cSKlaus Jensen if (!n->outstanding_aers) { 142088eea45cSKlaus Jensen trace_pci_nvme_no_outstanding_aers(); 142188eea45cSKlaus Jensen break; 142288eea45cSKlaus Jensen } 142388eea45cSKlaus Jensen 142488eea45cSKlaus Jensen /* ignore if masked (cqe posted, but event not cleared) */ 142588eea45cSKlaus Jensen if (n->aer_mask & (1 << event->result.event_type)) { 142688eea45cSKlaus Jensen trace_pci_nvme_aer_masked(event->result.event_type, n->aer_mask); 142788eea45cSKlaus Jensen continue; 142888eea45cSKlaus Jensen } 142988eea45cSKlaus Jensen 143088eea45cSKlaus Jensen QTAILQ_REMOVE(&n->aer_queue, event, entry); 143188eea45cSKlaus Jensen n->aer_queued--; 143288eea45cSKlaus Jensen 143388eea45cSKlaus Jensen n->aer_mask |= 1 << event->result.event_type; 143488eea45cSKlaus Jensen n->outstanding_aers--; 143588eea45cSKlaus Jensen 143688eea45cSKlaus Jensen req = n->aer_reqs[n->outstanding_aers]; 143788eea45cSKlaus Jensen 143888eea45cSKlaus Jensen result = (NvmeAerResult *) &req->cqe.result; 143988eea45cSKlaus Jensen result->event_type = event->result.event_type; 144088eea45cSKlaus Jensen result->event_info = event->result.event_info; 144188eea45cSKlaus Jensen result->log_page = event->result.log_page; 144288eea45cSKlaus Jensen g_free(event); 144388eea45cSKlaus Jensen 144488eea45cSKlaus Jensen trace_pci_nvme_aer_post_cqe(result->event_type, result->event_info, 144588eea45cSKlaus Jensen result->log_page); 144688eea45cSKlaus Jensen 144788eea45cSKlaus Jensen nvme_enqueue_req_completion(&n->admin_cq, req); 144888eea45cSKlaus Jensen } 144988eea45cSKlaus Jensen } 145088eea45cSKlaus Jensen 145188eea45cSKlaus Jensen static void nvme_enqueue_event(NvmeCtrl *n, uint8_t event_type, 145288eea45cSKlaus Jensen uint8_t event_info, uint8_t log_page) 145388eea45cSKlaus Jensen { 145488eea45cSKlaus Jensen NvmeAsyncEvent *event; 145588eea45cSKlaus Jensen 145688eea45cSKlaus Jensen trace_pci_nvme_enqueue_event(event_type, event_info, log_page); 145788eea45cSKlaus Jensen 145888eea45cSKlaus Jensen if (n->aer_queued == n->params.aer_max_queued) { 145988eea45cSKlaus Jensen trace_pci_nvme_enqueue_event_noqueue(n->aer_queued); 146088eea45cSKlaus Jensen return; 146188eea45cSKlaus Jensen } 146288eea45cSKlaus Jensen 146388eea45cSKlaus Jensen event = g_new(NvmeAsyncEvent, 1); 146488eea45cSKlaus Jensen event->result = (NvmeAerResult) { 146588eea45cSKlaus Jensen .event_type = event_type, 146688eea45cSKlaus Jensen .event_info = event_info, 146788eea45cSKlaus Jensen .log_page = log_page, 146888eea45cSKlaus Jensen }; 146988eea45cSKlaus Jensen 147088eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&n->aer_queue, event, entry); 147188eea45cSKlaus Jensen n->aer_queued++; 147288eea45cSKlaus Jensen 147388eea45cSKlaus Jensen nvme_process_aers(n); 147488eea45cSKlaus Jensen } 147588eea45cSKlaus Jensen 147688eea45cSKlaus Jensen static void nvme_smart_event(NvmeCtrl *n, uint8_t event) 147788eea45cSKlaus Jensen { 147888eea45cSKlaus Jensen uint8_t aer_info; 147988eea45cSKlaus Jensen 148088eea45cSKlaus Jensen /* Ref SPEC <Asynchronous Event Information 0x2013 SMART / Health Status> */ 148188eea45cSKlaus Jensen if (!(NVME_AEC_SMART(n->features.async_config) & event)) { 148288eea45cSKlaus Jensen return; 148388eea45cSKlaus Jensen } 148488eea45cSKlaus Jensen 148588eea45cSKlaus Jensen switch (event) { 148688eea45cSKlaus Jensen case NVME_SMART_SPARE: 148788eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_SPARE_THRESH; 148888eea45cSKlaus Jensen break; 148988eea45cSKlaus Jensen case NVME_SMART_TEMPERATURE: 149088eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_TEMP_THRESH; 149188eea45cSKlaus Jensen break; 149288eea45cSKlaus Jensen case NVME_SMART_RELIABILITY: 149388eea45cSKlaus Jensen case NVME_SMART_MEDIA_READ_ONLY: 149488eea45cSKlaus Jensen case NVME_SMART_FAILED_VOLATILE_MEDIA: 149588eea45cSKlaus Jensen case NVME_SMART_PMR_UNRELIABLE: 149688eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_RELIABILITY; 149788eea45cSKlaus Jensen break; 149888eea45cSKlaus Jensen default: 149988eea45cSKlaus Jensen return; 150088eea45cSKlaus Jensen } 150188eea45cSKlaus Jensen 150288eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_SMART, aer_info, NVME_LOG_SMART_INFO); 150388eea45cSKlaus Jensen } 150488eea45cSKlaus Jensen 150588eea45cSKlaus Jensen static void nvme_clear_events(NvmeCtrl *n, uint8_t event_type) 150688eea45cSKlaus Jensen { 150788eea45cSKlaus Jensen n->aer_mask &= ~(1 << event_type); 150888eea45cSKlaus Jensen if (!QTAILQ_EMPTY(&n->aer_queue)) { 150988eea45cSKlaus Jensen nvme_process_aers(n); 151088eea45cSKlaus Jensen } 151188eea45cSKlaus Jensen } 151288eea45cSKlaus Jensen 151388eea45cSKlaus Jensen static inline uint16_t nvme_check_mdts(NvmeCtrl *n, size_t len) 151488eea45cSKlaus Jensen { 151588eea45cSKlaus Jensen uint8_t mdts = n->params.mdts; 151688eea45cSKlaus Jensen 151788eea45cSKlaus Jensen if (mdts && len > n->page_size << mdts) { 151888eea45cSKlaus Jensen trace_pci_nvme_err_mdts(len); 151988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 152088eea45cSKlaus Jensen } 152188eea45cSKlaus Jensen 152288eea45cSKlaus Jensen return NVME_SUCCESS; 152388eea45cSKlaus Jensen } 152488eea45cSKlaus Jensen 152588eea45cSKlaus Jensen static inline uint16_t nvme_check_bounds(NvmeNamespace *ns, uint64_t slba, 152688eea45cSKlaus Jensen uint32_t nlb) 152788eea45cSKlaus Jensen { 152888eea45cSKlaus Jensen uint64_t nsze = le64_to_cpu(ns->id_ns.nsze); 152988eea45cSKlaus Jensen 153088eea45cSKlaus Jensen if (unlikely(UINT64_MAX - slba < nlb || slba + nlb > nsze)) { 153188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(slba, nlb, nsze); 153288eea45cSKlaus Jensen return NVME_LBA_RANGE | NVME_DNR; 153388eea45cSKlaus Jensen } 153488eea45cSKlaus Jensen 153588eea45cSKlaus Jensen return NVME_SUCCESS; 153688eea45cSKlaus Jensen } 153788eea45cSKlaus Jensen 1538ff0ac2c8SKlaus Jensen static int nvme_block_status_all(NvmeNamespace *ns, uint64_t slba, 1539ff0ac2c8SKlaus Jensen uint32_t nlb, int flags) 154088eea45cSKlaus Jensen { 154188eea45cSKlaus Jensen BlockDriverState *bs = blk_bs(ns->blkconf.blk); 154288eea45cSKlaus Jensen 154388eea45cSKlaus Jensen int64_t pnum = 0, bytes = nvme_l2b(ns, nlb); 154488eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 154588eea45cSKlaus Jensen int ret; 154688eea45cSKlaus Jensen 154788eea45cSKlaus Jensen /* 154888eea45cSKlaus Jensen * `pnum` holds the number of bytes after offset that shares the same 154988eea45cSKlaus Jensen * allocation status as the byte at offset. If `pnum` is different from 155088eea45cSKlaus Jensen * `bytes`, we should check the allocation status of the next range and 155188eea45cSKlaus Jensen * continue this until all bytes have been checked. 155288eea45cSKlaus Jensen */ 155388eea45cSKlaus Jensen do { 155488eea45cSKlaus Jensen bytes -= pnum; 155588eea45cSKlaus Jensen 155688eea45cSKlaus Jensen ret = bdrv_block_status(bs, offset, bytes, &pnum, NULL, NULL); 155788eea45cSKlaus Jensen if (ret < 0) { 1558ff0ac2c8SKlaus Jensen return ret; 155988eea45cSKlaus Jensen } 156088eea45cSKlaus Jensen 156188eea45cSKlaus Jensen 1562ff0ac2c8SKlaus Jensen trace_pci_nvme_block_status(offset, bytes, pnum, ret, 1563ff0ac2c8SKlaus Jensen !!(ret & BDRV_BLOCK_ZERO)); 156488eea45cSKlaus Jensen 1565ff0ac2c8SKlaus Jensen if (!(ret & flags)) { 1566ff0ac2c8SKlaus Jensen return 1; 156788eea45cSKlaus Jensen } 156888eea45cSKlaus Jensen 156988eea45cSKlaus Jensen offset += pnum; 157088eea45cSKlaus Jensen } while (pnum != bytes); 157188eea45cSKlaus Jensen 1572ff0ac2c8SKlaus Jensen return 0; 1573ff0ac2c8SKlaus Jensen } 1574ff0ac2c8SKlaus Jensen 1575ff0ac2c8SKlaus Jensen static uint16_t nvme_check_dulbe(NvmeNamespace *ns, uint64_t slba, 1576ff0ac2c8SKlaus Jensen uint32_t nlb) 1577ff0ac2c8SKlaus Jensen { 1578ff0ac2c8SKlaus Jensen int ret; 1579ff0ac2c8SKlaus Jensen Error *err = NULL; 1580ff0ac2c8SKlaus Jensen 1581ff0ac2c8SKlaus Jensen ret = nvme_block_status_all(ns, slba, nlb, BDRV_BLOCK_DATA); 1582ff0ac2c8SKlaus Jensen if (ret) { 1583ff0ac2c8SKlaus Jensen if (ret < 0) { 1584ff0ac2c8SKlaus Jensen error_setg_errno(&err, -ret, "unable to get block status"); 1585ff0ac2c8SKlaus Jensen error_report_err(err); 1586ff0ac2c8SKlaus Jensen 1587ff0ac2c8SKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 1588ff0ac2c8SKlaus Jensen } 1589ff0ac2c8SKlaus Jensen 1590ff0ac2c8SKlaus Jensen return NVME_DULB; 1591ff0ac2c8SKlaus Jensen } 1592ff0ac2c8SKlaus Jensen 159388eea45cSKlaus Jensen return NVME_SUCCESS; 159488eea45cSKlaus Jensen } 159588eea45cSKlaus Jensen 159688eea45cSKlaus Jensen static void nvme_aio_err(NvmeRequest *req, int ret) 159788eea45cSKlaus Jensen { 159888eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 159988eea45cSKlaus Jensen Error *local_err = NULL; 160088eea45cSKlaus Jensen 160188eea45cSKlaus Jensen switch (req->cmd.opcode) { 160288eea45cSKlaus Jensen case NVME_CMD_READ: 160388eea45cSKlaus Jensen status = NVME_UNRECOVERED_READ; 160488eea45cSKlaus Jensen break; 160588eea45cSKlaus Jensen case NVME_CMD_FLUSH: 160688eea45cSKlaus Jensen case NVME_CMD_WRITE: 160788eea45cSKlaus Jensen case NVME_CMD_WRITE_ZEROES: 160888eea45cSKlaus Jensen case NVME_CMD_ZONE_APPEND: 160988eea45cSKlaus Jensen status = NVME_WRITE_FAULT; 161088eea45cSKlaus Jensen break; 161188eea45cSKlaus Jensen default: 161288eea45cSKlaus Jensen status = NVME_INTERNAL_DEV_ERROR; 161388eea45cSKlaus Jensen break; 161488eea45cSKlaus Jensen } 161588eea45cSKlaus Jensen 161688eea45cSKlaus Jensen trace_pci_nvme_err_aio(nvme_cid(req), strerror(-ret), status); 161788eea45cSKlaus Jensen 161888eea45cSKlaus Jensen error_setg_errno(&local_err, -ret, "aio failed"); 161988eea45cSKlaus Jensen error_report_err(local_err); 162088eea45cSKlaus Jensen 162188eea45cSKlaus Jensen /* 162288eea45cSKlaus Jensen * Set the command status code to the first encountered error but allow a 162388eea45cSKlaus Jensen * subsequent Internal Device Error to trump it. 162488eea45cSKlaus Jensen */ 162588eea45cSKlaus Jensen if (req->status && status != NVME_INTERNAL_DEV_ERROR) { 162688eea45cSKlaus Jensen return; 162788eea45cSKlaus Jensen } 162888eea45cSKlaus Jensen 162988eea45cSKlaus Jensen req->status = status; 163088eea45cSKlaus Jensen } 163188eea45cSKlaus Jensen 163288eea45cSKlaus Jensen static inline uint32_t nvme_zone_idx(NvmeNamespace *ns, uint64_t slba) 163388eea45cSKlaus Jensen { 163488eea45cSKlaus Jensen return ns->zone_size_log2 > 0 ? slba >> ns->zone_size_log2 : 163588eea45cSKlaus Jensen slba / ns->zone_size; 163688eea45cSKlaus Jensen } 163788eea45cSKlaus Jensen 163888eea45cSKlaus Jensen static inline NvmeZone *nvme_get_zone_by_slba(NvmeNamespace *ns, uint64_t slba) 163988eea45cSKlaus Jensen { 164088eea45cSKlaus Jensen uint32_t zone_idx = nvme_zone_idx(ns, slba); 164188eea45cSKlaus Jensen 1642189a8bf7SKlaus Jensen if (zone_idx >= ns->num_zones) { 1643189a8bf7SKlaus Jensen return NULL; 1644189a8bf7SKlaus Jensen } 1645189a8bf7SKlaus Jensen 164688eea45cSKlaus Jensen return &ns->zone_array[zone_idx]; 164788eea45cSKlaus Jensen } 164888eea45cSKlaus Jensen 164988eea45cSKlaus Jensen static uint16_t nvme_check_zone_state_for_write(NvmeZone *zone) 165088eea45cSKlaus Jensen { 165188eea45cSKlaus Jensen uint64_t zslba = zone->d.zslba; 165288eea45cSKlaus Jensen 165388eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 165488eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 165588eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 165688eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 165788eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 165888eea45cSKlaus Jensen return NVME_SUCCESS; 165988eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 166088eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_full(zslba); 166188eea45cSKlaus Jensen return NVME_ZONE_FULL; 166288eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 166388eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_offline(zslba); 166488eea45cSKlaus Jensen return NVME_ZONE_OFFLINE; 166588eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 166688eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_read_only(zslba); 166788eea45cSKlaus Jensen return NVME_ZONE_READ_ONLY; 166888eea45cSKlaus Jensen default: 166988eea45cSKlaus Jensen assert(false); 167088eea45cSKlaus Jensen } 167188eea45cSKlaus Jensen 167288eea45cSKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 167388eea45cSKlaus Jensen } 167488eea45cSKlaus Jensen 167588eea45cSKlaus Jensen static uint16_t nvme_check_zone_write(NvmeNamespace *ns, NvmeZone *zone, 167688eea45cSKlaus Jensen uint64_t slba, uint32_t nlb) 167788eea45cSKlaus Jensen { 167888eea45cSKlaus Jensen uint64_t zcap = nvme_zone_wr_boundary(zone); 167988eea45cSKlaus Jensen uint16_t status; 168088eea45cSKlaus Jensen 168188eea45cSKlaus Jensen status = nvme_check_zone_state_for_write(zone); 168288eea45cSKlaus Jensen if (status) { 168388eea45cSKlaus Jensen return status; 168488eea45cSKlaus Jensen } 168588eea45cSKlaus Jensen 1686e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1687e321b4cdSKlaus Jensen uint64_t ezrwa = zone->w_ptr + 2 * ns->zns.zrwas; 1688e321b4cdSKlaus Jensen 1689e321b4cdSKlaus Jensen if (slba < zone->w_ptr || slba + nlb > ezrwa) { 1690e321b4cdSKlaus Jensen trace_pci_nvme_err_zone_invalid_write(slba, zone->w_ptr); 169188eea45cSKlaus Jensen return NVME_ZONE_INVALID_WRITE; 169288eea45cSKlaus Jensen } 1693e321b4cdSKlaus Jensen } else { 1694e321b4cdSKlaus Jensen if (unlikely(slba != zone->w_ptr)) { 1695e321b4cdSKlaus Jensen trace_pci_nvme_err_write_not_at_wp(slba, zone->d.zslba, 1696e321b4cdSKlaus Jensen zone->w_ptr); 1697e321b4cdSKlaus Jensen return NVME_ZONE_INVALID_WRITE; 1698e321b4cdSKlaus Jensen } 1699e321b4cdSKlaus Jensen } 170088eea45cSKlaus Jensen 170188eea45cSKlaus Jensen if (unlikely((slba + nlb) > zcap)) { 170288eea45cSKlaus Jensen trace_pci_nvme_err_zone_boundary(slba, nlb, zcap); 170388eea45cSKlaus Jensen return NVME_ZONE_BOUNDARY_ERROR; 170488eea45cSKlaus Jensen } 170588eea45cSKlaus Jensen 170688eea45cSKlaus Jensen return NVME_SUCCESS; 170788eea45cSKlaus Jensen } 170888eea45cSKlaus Jensen 170988eea45cSKlaus Jensen static uint16_t nvme_check_zone_state_for_read(NvmeZone *zone) 171088eea45cSKlaus Jensen { 171188eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 171288eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 171388eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 171488eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 171588eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 171688eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 171788eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 171888eea45cSKlaus Jensen return NVME_SUCCESS; 171988eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 172088eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_offline(zone->d.zslba); 172188eea45cSKlaus Jensen return NVME_ZONE_OFFLINE; 172288eea45cSKlaus Jensen default: 172388eea45cSKlaus Jensen assert(false); 172488eea45cSKlaus Jensen } 172588eea45cSKlaus Jensen 172688eea45cSKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 172788eea45cSKlaus Jensen } 172888eea45cSKlaus Jensen 172988eea45cSKlaus Jensen static uint16_t nvme_check_zone_read(NvmeNamespace *ns, uint64_t slba, 173088eea45cSKlaus Jensen uint32_t nlb) 173188eea45cSKlaus Jensen { 1732189a8bf7SKlaus Jensen NvmeZone *zone; 1733189a8bf7SKlaus Jensen uint64_t bndry, end; 173488eea45cSKlaus Jensen uint16_t status; 173588eea45cSKlaus Jensen 1736189a8bf7SKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 1737189a8bf7SKlaus Jensen assert(zone); 1738189a8bf7SKlaus Jensen 1739189a8bf7SKlaus Jensen bndry = nvme_zone_rd_boundary(ns, zone); 1740189a8bf7SKlaus Jensen end = slba + nlb; 1741189a8bf7SKlaus Jensen 174288eea45cSKlaus Jensen status = nvme_check_zone_state_for_read(zone); 174388eea45cSKlaus Jensen if (status) { 174488eea45cSKlaus Jensen ; 174588eea45cSKlaus Jensen } else if (unlikely(end > bndry)) { 174688eea45cSKlaus Jensen if (!ns->params.cross_zone_read) { 174788eea45cSKlaus Jensen status = NVME_ZONE_BOUNDARY_ERROR; 174888eea45cSKlaus Jensen } else { 174988eea45cSKlaus Jensen /* 175088eea45cSKlaus Jensen * Read across zone boundary - check that all subsequent 175188eea45cSKlaus Jensen * zones that are being read have an appropriate state. 175288eea45cSKlaus Jensen */ 175388eea45cSKlaus Jensen do { 175488eea45cSKlaus Jensen zone++; 175588eea45cSKlaus Jensen status = nvme_check_zone_state_for_read(zone); 175688eea45cSKlaus Jensen if (status) { 175788eea45cSKlaus Jensen break; 175888eea45cSKlaus Jensen } 175988eea45cSKlaus Jensen } while (end > nvme_zone_rd_boundary(ns, zone)); 176088eea45cSKlaus Jensen } 176188eea45cSKlaus Jensen } 176288eea45cSKlaus Jensen 176388eea45cSKlaus Jensen return status; 176488eea45cSKlaus Jensen } 176588eea45cSKlaus Jensen 176688eea45cSKlaus Jensen static uint16_t nvme_zrm_finish(NvmeNamespace *ns, NvmeZone *zone) 176788eea45cSKlaus Jensen { 176888eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 176988eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 177088eea45cSKlaus Jensen return NVME_SUCCESS; 177188eea45cSKlaus Jensen 177288eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 177388eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 177488eea45cSKlaus Jensen nvme_aor_dec_open(ns); 177588eea45cSKlaus Jensen /* fallthrough */ 177688eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 177788eea45cSKlaus Jensen nvme_aor_dec_active(ns); 1778e321b4cdSKlaus Jensen 1779e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1780e321b4cdSKlaus Jensen zone->d.za &= ~NVME_ZA_ZRWA_VALID; 1781e321b4cdSKlaus Jensen if (ns->params.numzrwa) { 1782e321b4cdSKlaus Jensen ns->zns.numzrwa++; 1783e321b4cdSKlaus Jensen } 1784e321b4cdSKlaus Jensen } 1785e321b4cdSKlaus Jensen 178688eea45cSKlaus Jensen /* fallthrough */ 178788eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 178888eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_FULL); 178988eea45cSKlaus Jensen return NVME_SUCCESS; 179088eea45cSKlaus Jensen 179188eea45cSKlaus Jensen default: 179288eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 179388eea45cSKlaus Jensen } 179488eea45cSKlaus Jensen } 179588eea45cSKlaus Jensen 179688eea45cSKlaus Jensen static uint16_t nvme_zrm_close(NvmeNamespace *ns, NvmeZone *zone) 179788eea45cSKlaus Jensen { 179888eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 179988eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 180088eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 180188eea45cSKlaus Jensen nvme_aor_dec_open(ns); 180288eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_CLOSED); 180388eea45cSKlaus Jensen /* fall through */ 180488eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 180588eea45cSKlaus Jensen return NVME_SUCCESS; 180688eea45cSKlaus Jensen 180788eea45cSKlaus Jensen default: 180888eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 180988eea45cSKlaus Jensen } 181088eea45cSKlaus Jensen } 181188eea45cSKlaus Jensen 181263d96e4fSKlaus Jensen static uint16_t nvme_zrm_reset(NvmeNamespace *ns, NvmeZone *zone) 181363d96e4fSKlaus Jensen { 181463d96e4fSKlaus Jensen switch (nvme_get_zone_state(zone)) { 181563d96e4fSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 181663d96e4fSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 181763d96e4fSKlaus Jensen nvme_aor_dec_open(ns); 181863d96e4fSKlaus Jensen /* fallthrough */ 181963d96e4fSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 182063d96e4fSKlaus Jensen nvme_aor_dec_active(ns); 1821e321b4cdSKlaus Jensen 1822e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1823e321b4cdSKlaus Jensen if (ns->params.numzrwa) { 1824e321b4cdSKlaus Jensen ns->zns.numzrwa++; 1825e321b4cdSKlaus Jensen } 1826e321b4cdSKlaus Jensen } 1827e321b4cdSKlaus Jensen 182863d96e4fSKlaus Jensen /* fallthrough */ 182963d96e4fSKlaus Jensen case NVME_ZONE_STATE_FULL: 183063d96e4fSKlaus Jensen zone->w_ptr = zone->d.zslba; 183163d96e4fSKlaus Jensen zone->d.wp = zone->w_ptr; 183263d96e4fSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_EMPTY); 183363d96e4fSKlaus Jensen /* fallthrough */ 183463d96e4fSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 183563d96e4fSKlaus Jensen return NVME_SUCCESS; 183663d96e4fSKlaus Jensen 183763d96e4fSKlaus Jensen default: 183863d96e4fSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 183963d96e4fSKlaus Jensen } 184063d96e4fSKlaus Jensen } 184163d96e4fSKlaus Jensen 184288eea45cSKlaus Jensen static void nvme_zrm_auto_transition_zone(NvmeNamespace *ns) 184388eea45cSKlaus Jensen { 184488eea45cSKlaus Jensen NvmeZone *zone; 184588eea45cSKlaus Jensen 184688eea45cSKlaus Jensen if (ns->params.max_open_zones && 184788eea45cSKlaus Jensen ns->nr_open_zones == ns->params.max_open_zones) { 184888eea45cSKlaus Jensen zone = QTAILQ_FIRST(&ns->imp_open_zones); 184988eea45cSKlaus Jensen if (zone) { 185088eea45cSKlaus Jensen /* 185188eea45cSKlaus Jensen * Automatically close this implicitly open zone. 185288eea45cSKlaus Jensen */ 185388eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->imp_open_zones, zone, entry); 185488eea45cSKlaus Jensen nvme_zrm_close(ns, zone); 185588eea45cSKlaus Jensen } 185688eea45cSKlaus Jensen } 185788eea45cSKlaus Jensen } 185888eea45cSKlaus Jensen 185988eea45cSKlaus Jensen enum { 186088eea45cSKlaus Jensen NVME_ZRM_AUTO = 1 << 0, 1861e321b4cdSKlaus Jensen NVME_ZRM_ZRWA = 1 << 1, 186288eea45cSKlaus Jensen }; 186388eea45cSKlaus Jensen 1864cccc2651SNiklas Cassel static uint16_t nvme_zrm_open_flags(NvmeCtrl *n, NvmeNamespace *ns, 1865cccc2651SNiklas Cassel NvmeZone *zone, int flags) 186688eea45cSKlaus Jensen { 186788eea45cSKlaus Jensen int act = 0; 186888eea45cSKlaus Jensen uint16_t status; 186988eea45cSKlaus Jensen 187088eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 187188eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 187288eea45cSKlaus Jensen act = 1; 187388eea45cSKlaus Jensen 187488eea45cSKlaus Jensen /* fallthrough */ 187588eea45cSKlaus Jensen 187688eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 1877cccc2651SNiklas Cassel if (n->params.auto_transition_zones) { 187888eea45cSKlaus Jensen nvme_zrm_auto_transition_zone(ns); 1879cccc2651SNiklas Cassel } 1880e321b4cdSKlaus Jensen status = nvme_zns_check_resources(ns, act, 1, 1881e321b4cdSKlaus Jensen (flags & NVME_ZRM_ZRWA) ? 1 : 0); 188288eea45cSKlaus Jensen if (status) { 188388eea45cSKlaus Jensen return status; 188488eea45cSKlaus Jensen } 188588eea45cSKlaus Jensen 188688eea45cSKlaus Jensen if (act) { 188788eea45cSKlaus Jensen nvme_aor_inc_active(ns); 188888eea45cSKlaus Jensen } 188988eea45cSKlaus Jensen 189088eea45cSKlaus Jensen nvme_aor_inc_open(ns); 189188eea45cSKlaus Jensen 189288eea45cSKlaus Jensen if (flags & NVME_ZRM_AUTO) { 189388eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_IMPLICITLY_OPEN); 189488eea45cSKlaus Jensen return NVME_SUCCESS; 189588eea45cSKlaus Jensen } 189688eea45cSKlaus Jensen 189788eea45cSKlaus Jensen /* fallthrough */ 189888eea45cSKlaus Jensen 189988eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 190088eea45cSKlaus Jensen if (flags & NVME_ZRM_AUTO) { 190188eea45cSKlaus Jensen return NVME_SUCCESS; 190288eea45cSKlaus Jensen } 190388eea45cSKlaus Jensen 190488eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_EXPLICITLY_OPEN); 190588eea45cSKlaus Jensen 190688eea45cSKlaus Jensen /* fallthrough */ 190788eea45cSKlaus Jensen 190888eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 1909e321b4cdSKlaus Jensen if (flags & NVME_ZRM_ZRWA) { 1910e321b4cdSKlaus Jensen ns->zns.numzrwa--; 1911e321b4cdSKlaus Jensen 1912e321b4cdSKlaus Jensen zone->d.za |= NVME_ZA_ZRWA_VALID; 1913e321b4cdSKlaus Jensen } 1914e321b4cdSKlaus Jensen 191588eea45cSKlaus Jensen return NVME_SUCCESS; 191688eea45cSKlaus Jensen 191788eea45cSKlaus Jensen default: 191888eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 191988eea45cSKlaus Jensen } 192088eea45cSKlaus Jensen } 192188eea45cSKlaus Jensen 1922cccc2651SNiklas Cassel static inline uint16_t nvme_zrm_auto(NvmeCtrl *n, NvmeNamespace *ns, 1923cccc2651SNiklas Cassel NvmeZone *zone) 192488eea45cSKlaus Jensen { 1925cccc2651SNiklas Cassel return nvme_zrm_open_flags(n, ns, zone, NVME_ZRM_AUTO); 192688eea45cSKlaus Jensen } 192788eea45cSKlaus Jensen 192888eea45cSKlaus Jensen static void nvme_advance_zone_wp(NvmeNamespace *ns, NvmeZone *zone, 192988eea45cSKlaus Jensen uint32_t nlb) 193088eea45cSKlaus Jensen { 193188eea45cSKlaus Jensen zone->d.wp += nlb; 193288eea45cSKlaus Jensen 193388eea45cSKlaus Jensen if (zone->d.wp == nvme_zone_wr_boundary(zone)) { 193488eea45cSKlaus Jensen nvme_zrm_finish(ns, zone); 193588eea45cSKlaus Jensen } 193688eea45cSKlaus Jensen } 193788eea45cSKlaus Jensen 1938e321b4cdSKlaus Jensen static void nvme_zoned_zrwa_implicit_flush(NvmeNamespace *ns, NvmeZone *zone, 1939e321b4cdSKlaus Jensen uint32_t nlbc) 1940e321b4cdSKlaus Jensen { 1941e321b4cdSKlaus Jensen uint16_t nzrwafgs = DIV_ROUND_UP(nlbc, ns->zns.zrwafg); 1942e321b4cdSKlaus Jensen 1943e321b4cdSKlaus Jensen nlbc = nzrwafgs * ns->zns.zrwafg; 1944e321b4cdSKlaus Jensen 1945e321b4cdSKlaus Jensen trace_pci_nvme_zoned_zrwa_implicit_flush(zone->d.zslba, nlbc); 1946e321b4cdSKlaus Jensen 1947e321b4cdSKlaus Jensen zone->w_ptr += nlbc; 1948e321b4cdSKlaus Jensen 1949e321b4cdSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlbc); 1950e321b4cdSKlaus Jensen } 1951e321b4cdSKlaus Jensen 195288eea45cSKlaus Jensen static void nvme_finalize_zoned_write(NvmeNamespace *ns, NvmeRequest *req) 195388eea45cSKlaus Jensen { 195488eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 195588eea45cSKlaus Jensen NvmeZone *zone; 195688eea45cSKlaus Jensen uint64_t slba; 195788eea45cSKlaus Jensen uint32_t nlb; 195888eea45cSKlaus Jensen 195988eea45cSKlaus Jensen slba = le64_to_cpu(rw->slba); 196088eea45cSKlaus Jensen nlb = le16_to_cpu(rw->nlb) + 1; 196188eea45cSKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 1962189a8bf7SKlaus Jensen assert(zone); 196388eea45cSKlaus Jensen 1964e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1965e321b4cdSKlaus Jensen uint64_t ezrwa = zone->w_ptr + ns->zns.zrwas - 1; 1966e321b4cdSKlaus Jensen uint64_t elba = slba + nlb - 1; 1967e321b4cdSKlaus Jensen 1968e321b4cdSKlaus Jensen if (elba > ezrwa) { 1969e321b4cdSKlaus Jensen nvme_zoned_zrwa_implicit_flush(ns, zone, elba - ezrwa); 1970e321b4cdSKlaus Jensen } 1971e321b4cdSKlaus Jensen 1972e321b4cdSKlaus Jensen return; 1973e321b4cdSKlaus Jensen } 1974e321b4cdSKlaus Jensen 197588eea45cSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlb); 197688eea45cSKlaus Jensen } 197788eea45cSKlaus Jensen 197888eea45cSKlaus Jensen static inline bool nvme_is_write(NvmeRequest *req) 197988eea45cSKlaus Jensen { 198088eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 198188eea45cSKlaus Jensen 198288eea45cSKlaus Jensen return rw->opcode == NVME_CMD_WRITE || 198388eea45cSKlaus Jensen rw->opcode == NVME_CMD_ZONE_APPEND || 198488eea45cSKlaus Jensen rw->opcode == NVME_CMD_WRITE_ZEROES; 198588eea45cSKlaus Jensen } 198688eea45cSKlaus Jensen 198738f4ac65SKlaus Jensen static AioContext *nvme_get_aio_context(BlockAIOCB *acb) 198838f4ac65SKlaus Jensen { 198938f4ac65SKlaus Jensen return qemu_get_aio_context(); 199038f4ac65SKlaus Jensen } 199138f4ac65SKlaus Jensen 199288eea45cSKlaus Jensen static void nvme_misc_cb(void *opaque, int ret) 199388eea45cSKlaus Jensen { 199488eea45cSKlaus Jensen NvmeRequest *req = opaque; 199588eea45cSKlaus Jensen 199638f4ac65SKlaus Jensen trace_pci_nvme_misc_cb(nvme_cid(req)); 199788eea45cSKlaus Jensen 199888eea45cSKlaus Jensen if (ret) { 199988eea45cSKlaus Jensen nvme_aio_err(req, ret); 200088eea45cSKlaus Jensen } 200188eea45cSKlaus Jensen 200288eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 200388eea45cSKlaus Jensen } 200488eea45cSKlaus Jensen 200588eea45cSKlaus Jensen void nvme_rw_complete_cb(void *opaque, int ret) 200688eea45cSKlaus Jensen { 200788eea45cSKlaus Jensen NvmeRequest *req = opaque; 200888eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 200988eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 201088eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 201188eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 201288eea45cSKlaus Jensen 201388eea45cSKlaus Jensen trace_pci_nvme_rw_complete_cb(nvme_cid(req), blk_name(blk)); 201488eea45cSKlaus Jensen 201588eea45cSKlaus Jensen if (ret) { 201688eea45cSKlaus Jensen block_acct_failed(stats, acct); 201788eea45cSKlaus Jensen nvme_aio_err(req, ret); 201888eea45cSKlaus Jensen } else { 201988eea45cSKlaus Jensen block_acct_done(stats, acct); 202088eea45cSKlaus Jensen } 202188eea45cSKlaus Jensen 202288eea45cSKlaus Jensen if (ns->params.zoned && nvme_is_write(req)) { 202388eea45cSKlaus Jensen nvme_finalize_zoned_write(ns, req); 202488eea45cSKlaus Jensen } 202588eea45cSKlaus Jensen 202688eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 202788eea45cSKlaus Jensen } 202888eea45cSKlaus Jensen 202988eea45cSKlaus Jensen static void nvme_rw_cb(void *opaque, int ret) 203088eea45cSKlaus Jensen { 203188eea45cSKlaus Jensen NvmeRequest *req = opaque; 203288eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 203388eea45cSKlaus Jensen 203488eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 203588eea45cSKlaus Jensen 203688eea45cSKlaus Jensen trace_pci_nvme_rw_cb(nvme_cid(req), blk_name(blk)); 203788eea45cSKlaus Jensen 203888eea45cSKlaus Jensen if (ret) { 203988eea45cSKlaus Jensen goto out; 204088eea45cSKlaus Jensen } 204188eea45cSKlaus Jensen 204288eea45cSKlaus Jensen if (ns->lbaf.ms) { 204388eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 204488eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 204588eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 204688eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 204788eea45cSKlaus Jensen 204888eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_WRITE_ZEROES) { 204988eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 205088eea45cSKlaus Jensen 205188eea45cSKlaus Jensen req->aiocb = blk_aio_pwrite_zeroes(blk, offset, mlen, 205288eea45cSKlaus Jensen BDRV_REQ_MAY_UNMAP, 205388eea45cSKlaus Jensen nvme_rw_complete_cb, req); 205488eea45cSKlaus Jensen return; 205588eea45cSKlaus Jensen } 205688eea45cSKlaus Jensen 205788eea45cSKlaus Jensen if (nvme_ns_ext(ns) || req->cmd.mptr) { 205888eea45cSKlaus Jensen uint16_t status; 205988eea45cSKlaus Jensen 206088eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 206188eea45cSKlaus Jensen status = nvme_map_mdata(nvme_ctrl(req), nlb, req); 206288eea45cSKlaus Jensen if (status) { 206388eea45cSKlaus Jensen ret = -EFAULT; 206488eea45cSKlaus Jensen goto out; 206588eea45cSKlaus Jensen } 206688eea45cSKlaus Jensen 206788eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_READ) { 206888eea45cSKlaus Jensen return nvme_blk_read(blk, offset, nvme_rw_complete_cb, req); 206988eea45cSKlaus Jensen } 207088eea45cSKlaus Jensen 207188eea45cSKlaus Jensen return nvme_blk_write(blk, offset, nvme_rw_complete_cb, req); 207288eea45cSKlaus Jensen } 207388eea45cSKlaus Jensen } 207488eea45cSKlaus Jensen 207588eea45cSKlaus Jensen out: 207688eea45cSKlaus Jensen nvme_rw_complete_cb(req, ret); 207788eea45cSKlaus Jensen } 207888eea45cSKlaus Jensen 207988eea45cSKlaus Jensen static void nvme_verify_cb(void *opaque, int ret) 208088eea45cSKlaus Jensen { 208188eea45cSKlaus Jensen NvmeBounceContext *ctx = opaque; 208288eea45cSKlaus Jensen NvmeRequest *req = ctx->req; 208388eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 208488eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 208588eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 208688eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 208788eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 208888eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 20892a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 209088eea45cSKlaus Jensen uint16_t apptag = le16_to_cpu(rw->apptag); 209188eea45cSKlaus Jensen uint16_t appmask = le16_to_cpu(rw->appmask); 209244219b60SNaveen Nagar uint64_t reftag = le32_to_cpu(rw->reftag); 209344219b60SNaveen Nagar uint64_t cdw3 = le32_to_cpu(rw->cdw3); 209488eea45cSKlaus Jensen uint16_t status; 209588eea45cSKlaus Jensen 209644219b60SNaveen Nagar reftag |= cdw3 << 32; 209744219b60SNaveen Nagar 20982a132309SKlaus Jensen trace_pci_nvme_verify_cb(nvme_cid(req), prinfo, apptag, appmask, reftag); 209988eea45cSKlaus Jensen 210088eea45cSKlaus Jensen if (ret) { 210188eea45cSKlaus Jensen block_acct_failed(stats, acct); 210288eea45cSKlaus Jensen nvme_aio_err(req, ret); 210388eea45cSKlaus Jensen goto out; 210488eea45cSKlaus Jensen } 210588eea45cSKlaus Jensen 210688eea45cSKlaus Jensen block_acct_done(stats, acct); 210788eea45cSKlaus Jensen 210888eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 210988eea45cSKlaus Jensen status = nvme_dif_mangle_mdata(ns, ctx->mdata.bounce, 211088eea45cSKlaus Jensen ctx->mdata.iov.size, slba); 211188eea45cSKlaus Jensen if (status) { 211288eea45cSKlaus Jensen req->status = status; 211388eea45cSKlaus Jensen goto out; 211488eea45cSKlaus Jensen } 211588eea45cSKlaus Jensen 211688eea45cSKlaus Jensen req->status = nvme_dif_check(ns, ctx->data.bounce, ctx->data.iov.size, 211788eea45cSKlaus Jensen ctx->mdata.bounce, ctx->mdata.iov.size, 21182a132309SKlaus Jensen prinfo, slba, apptag, appmask, &reftag); 211988eea45cSKlaus Jensen } 212088eea45cSKlaus Jensen 212188eea45cSKlaus Jensen out: 212288eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 212388eea45cSKlaus Jensen g_free(ctx->data.bounce); 212488eea45cSKlaus Jensen 212588eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->mdata.iov); 212688eea45cSKlaus Jensen g_free(ctx->mdata.bounce); 212788eea45cSKlaus Jensen 212888eea45cSKlaus Jensen g_free(ctx); 212988eea45cSKlaus Jensen 213088eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 213188eea45cSKlaus Jensen } 213288eea45cSKlaus Jensen 213388eea45cSKlaus Jensen 213488eea45cSKlaus Jensen static void nvme_verify_mdata_in_cb(void *opaque, int ret) 213588eea45cSKlaus Jensen { 213688eea45cSKlaus Jensen NvmeBounceContext *ctx = opaque; 213788eea45cSKlaus Jensen NvmeRequest *req = ctx->req; 213888eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 213988eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 214088eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 214188eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 214288eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 214388eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 214488eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 214588eea45cSKlaus Jensen 214688eea45cSKlaus Jensen trace_pci_nvme_verify_mdata_in_cb(nvme_cid(req), blk_name(blk)); 214788eea45cSKlaus Jensen 214888eea45cSKlaus Jensen if (ret) { 214988eea45cSKlaus Jensen goto out; 215088eea45cSKlaus Jensen } 215188eea45cSKlaus Jensen 215288eea45cSKlaus Jensen ctx->mdata.bounce = g_malloc(mlen); 215388eea45cSKlaus Jensen 215488eea45cSKlaus Jensen qemu_iovec_reset(&ctx->mdata.iov); 215588eea45cSKlaus Jensen qemu_iovec_add(&ctx->mdata.iov, ctx->mdata.bounce, mlen); 215688eea45cSKlaus Jensen 215788eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->mdata.iov, 0, 215888eea45cSKlaus Jensen nvme_verify_cb, ctx); 215988eea45cSKlaus Jensen return; 216088eea45cSKlaus Jensen 216188eea45cSKlaus Jensen out: 216288eea45cSKlaus Jensen nvme_verify_cb(ctx, ret); 216388eea45cSKlaus Jensen } 216488eea45cSKlaus Jensen 216588eea45cSKlaus Jensen struct nvme_compare_ctx { 216688eea45cSKlaus Jensen struct { 216788eea45cSKlaus Jensen QEMUIOVector iov; 216888eea45cSKlaus Jensen uint8_t *bounce; 216988eea45cSKlaus Jensen } data; 217088eea45cSKlaus Jensen 217188eea45cSKlaus Jensen struct { 217288eea45cSKlaus Jensen QEMUIOVector iov; 217388eea45cSKlaus Jensen uint8_t *bounce; 217488eea45cSKlaus Jensen } mdata; 217588eea45cSKlaus Jensen }; 217688eea45cSKlaus Jensen 217788eea45cSKlaus Jensen static void nvme_compare_mdata_cb(void *opaque, int ret) 217888eea45cSKlaus Jensen { 217988eea45cSKlaus Jensen NvmeRequest *req = opaque; 218088eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 218188eea45cSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 218288eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 21832a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 218488eea45cSKlaus Jensen uint16_t apptag = le16_to_cpu(rw->apptag); 218588eea45cSKlaus Jensen uint16_t appmask = le16_to_cpu(rw->appmask); 218644219b60SNaveen Nagar uint64_t reftag = le32_to_cpu(rw->reftag); 218744219b60SNaveen Nagar uint64_t cdw3 = le32_to_cpu(rw->cdw3); 218888eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = req->opaque; 218988eea45cSKlaus Jensen g_autofree uint8_t *buf = NULL; 219088eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 219188eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 219288eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 219388eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 219488eea45cSKlaus Jensen 219544219b60SNaveen Nagar reftag |= cdw3 << 32; 219644219b60SNaveen Nagar 219788eea45cSKlaus Jensen trace_pci_nvme_compare_mdata_cb(nvme_cid(req)); 219888eea45cSKlaus Jensen 219988eea45cSKlaus Jensen if (ret) { 220088eea45cSKlaus Jensen block_acct_failed(stats, acct); 220188eea45cSKlaus Jensen nvme_aio_err(req, ret); 220288eea45cSKlaus Jensen goto out; 220388eea45cSKlaus Jensen } 220488eea45cSKlaus Jensen 220588eea45cSKlaus Jensen buf = g_malloc(ctx->mdata.iov.size); 220688eea45cSKlaus Jensen 220788eea45cSKlaus Jensen status = nvme_bounce_mdata(n, buf, ctx->mdata.iov.size, 220888eea45cSKlaus Jensen NVME_TX_DIRECTION_TO_DEVICE, req); 220988eea45cSKlaus Jensen if (status) { 221088eea45cSKlaus Jensen req->status = status; 221188eea45cSKlaus Jensen goto out; 221288eea45cSKlaus Jensen } 221388eea45cSKlaus Jensen 221488eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 221588eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 221688eea45cSKlaus Jensen uint8_t *bufp; 221788eea45cSKlaus Jensen uint8_t *mbufp = ctx->mdata.bounce; 221888eea45cSKlaus Jensen uint8_t *end = mbufp + ctx->mdata.iov.size; 221988eea45cSKlaus Jensen int16_t pil = 0; 222088eea45cSKlaus Jensen 222188eea45cSKlaus Jensen status = nvme_dif_check(ns, ctx->data.bounce, ctx->data.iov.size, 22222a132309SKlaus Jensen ctx->mdata.bounce, ctx->mdata.iov.size, prinfo, 22230ca5c3ccSKlaus Jensen slba, apptag, appmask, &reftag); 222488eea45cSKlaus Jensen if (status) { 222588eea45cSKlaus Jensen req->status = status; 222688eea45cSKlaus Jensen goto out; 222788eea45cSKlaus Jensen } 222888eea45cSKlaus Jensen 222988eea45cSKlaus Jensen /* 223088eea45cSKlaus Jensen * When formatted with protection information, do not compare the DIF 223188eea45cSKlaus Jensen * tuple. 223288eea45cSKlaus Jensen */ 223388eea45cSKlaus Jensen if (!(ns->id_ns.dps & NVME_ID_NS_DPS_FIRST_EIGHT)) { 2234ac0b34c5SKlaus Jensen pil = ns->lbaf.ms - nvme_pi_tuple_size(ns); 223588eea45cSKlaus Jensen } 223688eea45cSKlaus Jensen 223788eea45cSKlaus Jensen for (bufp = buf; mbufp < end; bufp += ns->lbaf.ms, mbufp += ns->lbaf.ms) { 223888eea45cSKlaus Jensen if (memcmp(bufp + pil, mbufp + pil, ns->lbaf.ms - pil)) { 223988eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 224088eea45cSKlaus Jensen goto out; 224188eea45cSKlaus Jensen } 224288eea45cSKlaus Jensen } 224388eea45cSKlaus Jensen 224488eea45cSKlaus Jensen goto out; 224588eea45cSKlaus Jensen } 224688eea45cSKlaus Jensen 224788eea45cSKlaus Jensen if (memcmp(buf, ctx->mdata.bounce, ctx->mdata.iov.size)) { 224888eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 224988eea45cSKlaus Jensen goto out; 225088eea45cSKlaus Jensen } 225188eea45cSKlaus Jensen 225288eea45cSKlaus Jensen block_acct_done(stats, acct); 225388eea45cSKlaus Jensen 225488eea45cSKlaus Jensen out: 225588eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 225688eea45cSKlaus Jensen g_free(ctx->data.bounce); 225788eea45cSKlaus Jensen 225888eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->mdata.iov); 225988eea45cSKlaus Jensen g_free(ctx->mdata.bounce); 226088eea45cSKlaus Jensen 226188eea45cSKlaus Jensen g_free(ctx); 226288eea45cSKlaus Jensen 226388eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 226488eea45cSKlaus Jensen } 226588eea45cSKlaus Jensen 226688eea45cSKlaus Jensen static void nvme_compare_data_cb(void *opaque, int ret) 226788eea45cSKlaus Jensen { 226888eea45cSKlaus Jensen NvmeRequest *req = opaque; 226988eea45cSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 227088eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 227188eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 227288eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 227388eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 227488eea45cSKlaus Jensen 227588eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = req->opaque; 227688eea45cSKlaus Jensen g_autofree uint8_t *buf = NULL; 227788eea45cSKlaus Jensen uint16_t status; 227888eea45cSKlaus Jensen 227988eea45cSKlaus Jensen trace_pci_nvme_compare_data_cb(nvme_cid(req)); 228088eea45cSKlaus Jensen 228188eea45cSKlaus Jensen if (ret) { 228288eea45cSKlaus Jensen block_acct_failed(stats, acct); 228388eea45cSKlaus Jensen nvme_aio_err(req, ret); 228488eea45cSKlaus Jensen goto out; 228588eea45cSKlaus Jensen } 228688eea45cSKlaus Jensen 228788eea45cSKlaus Jensen buf = g_malloc(ctx->data.iov.size); 228888eea45cSKlaus Jensen 228988eea45cSKlaus Jensen status = nvme_bounce_data(n, buf, ctx->data.iov.size, 229088eea45cSKlaus Jensen NVME_TX_DIRECTION_TO_DEVICE, req); 229188eea45cSKlaus Jensen if (status) { 229288eea45cSKlaus Jensen req->status = status; 229388eea45cSKlaus Jensen goto out; 229488eea45cSKlaus Jensen } 229588eea45cSKlaus Jensen 229688eea45cSKlaus Jensen if (memcmp(buf, ctx->data.bounce, ctx->data.iov.size)) { 229788eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 229888eea45cSKlaus Jensen goto out; 229988eea45cSKlaus Jensen } 230088eea45cSKlaus Jensen 230188eea45cSKlaus Jensen if (ns->lbaf.ms) { 230288eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 230388eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 230488eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 230588eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 230688eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 230788eea45cSKlaus Jensen 230888eea45cSKlaus Jensen ctx->mdata.bounce = g_malloc(mlen); 230988eea45cSKlaus Jensen 231088eea45cSKlaus Jensen qemu_iovec_init(&ctx->mdata.iov, 1); 231188eea45cSKlaus Jensen qemu_iovec_add(&ctx->mdata.iov, ctx->mdata.bounce, mlen); 231288eea45cSKlaus Jensen 231388eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->mdata.iov, 0, 231488eea45cSKlaus Jensen nvme_compare_mdata_cb, req); 231588eea45cSKlaus Jensen return; 231688eea45cSKlaus Jensen } 231788eea45cSKlaus Jensen 231888eea45cSKlaus Jensen block_acct_done(stats, acct); 231988eea45cSKlaus Jensen 232088eea45cSKlaus Jensen out: 232188eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 232288eea45cSKlaus Jensen g_free(ctx->data.bounce); 232388eea45cSKlaus Jensen g_free(ctx); 232488eea45cSKlaus Jensen 232588eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 232688eea45cSKlaus Jensen } 232788eea45cSKlaus Jensen 2328d7d1474fSKlaus Jensen typedef struct NvmeDSMAIOCB { 2329d7d1474fSKlaus Jensen BlockAIOCB common; 2330d7d1474fSKlaus Jensen BlockAIOCB *aiocb; 2331d7d1474fSKlaus Jensen NvmeRequest *req; 2332d7d1474fSKlaus Jensen QEMUBH *bh; 2333d7d1474fSKlaus Jensen int ret; 2334d7d1474fSKlaus Jensen 2335d7d1474fSKlaus Jensen NvmeDsmRange *range; 2336d7d1474fSKlaus Jensen unsigned int nr; 2337d7d1474fSKlaus Jensen unsigned int idx; 2338d7d1474fSKlaus Jensen } NvmeDSMAIOCB; 2339d7d1474fSKlaus Jensen 2340d7d1474fSKlaus Jensen static void nvme_dsm_cancel(BlockAIOCB *aiocb) 2341d7d1474fSKlaus Jensen { 2342d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = container_of(aiocb, NvmeDSMAIOCB, common); 2343d7d1474fSKlaus Jensen 2344d7d1474fSKlaus Jensen /* break nvme_dsm_cb loop */ 2345d7d1474fSKlaus Jensen iocb->idx = iocb->nr; 2346d7d1474fSKlaus Jensen iocb->ret = -ECANCELED; 2347d7d1474fSKlaus Jensen 2348d7d1474fSKlaus Jensen if (iocb->aiocb) { 2349d7d1474fSKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 2350d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2351d7d1474fSKlaus Jensen } else { 2352d7d1474fSKlaus Jensen /* 2353d7d1474fSKlaus Jensen * We only reach this if nvme_dsm_cancel() has already been called or 2354d7d1474fSKlaus Jensen * the command ran to completion and nvme_dsm_bh is scheduled to run. 2355d7d1474fSKlaus Jensen */ 2356d7d1474fSKlaus Jensen assert(iocb->idx == iocb->nr); 2357d7d1474fSKlaus Jensen } 2358d7d1474fSKlaus Jensen } 2359d7d1474fSKlaus Jensen 2360d7d1474fSKlaus Jensen static const AIOCBInfo nvme_dsm_aiocb_info = { 2361d7d1474fSKlaus Jensen .aiocb_size = sizeof(NvmeDSMAIOCB), 2362d7d1474fSKlaus Jensen .cancel_async = nvme_dsm_cancel, 2363d7d1474fSKlaus Jensen }; 2364d7d1474fSKlaus Jensen 2365d7d1474fSKlaus Jensen static void nvme_dsm_bh(void *opaque) 2366d7d1474fSKlaus Jensen { 2367d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2368d7d1474fSKlaus Jensen 2369d7d1474fSKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 2370d7d1474fSKlaus Jensen 2371d7d1474fSKlaus Jensen qemu_bh_delete(iocb->bh); 2372d7d1474fSKlaus Jensen iocb->bh = NULL; 2373d7d1474fSKlaus Jensen qemu_aio_unref(iocb); 2374d7d1474fSKlaus Jensen } 2375d7d1474fSKlaus Jensen 2376d7d1474fSKlaus Jensen static void nvme_dsm_cb(void *opaque, int ret); 2377d7d1474fSKlaus Jensen 2378d7d1474fSKlaus Jensen static void nvme_dsm_md_cb(void *opaque, int ret) 2379d7d1474fSKlaus Jensen { 2380d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2381d7d1474fSKlaus Jensen NvmeRequest *req = iocb->req; 2382d7d1474fSKlaus Jensen NvmeNamespace *ns = req->ns; 2383d7d1474fSKlaus Jensen NvmeDsmRange *range; 2384d7d1474fSKlaus Jensen uint64_t slba; 2385d7d1474fSKlaus Jensen uint32_t nlb; 2386d7d1474fSKlaus Jensen 2387d7d1474fSKlaus Jensen if (ret < 0) { 2388d7d1474fSKlaus Jensen iocb->ret = ret; 2389d7d1474fSKlaus Jensen goto done; 2390d7d1474fSKlaus Jensen } 2391d7d1474fSKlaus Jensen 2392d7d1474fSKlaus Jensen if (!ns->lbaf.ms) { 2393d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 2394d7d1474fSKlaus Jensen return; 2395d7d1474fSKlaus Jensen } 2396d7d1474fSKlaus Jensen 2397d7d1474fSKlaus Jensen range = &iocb->range[iocb->idx - 1]; 2398d7d1474fSKlaus Jensen slba = le64_to_cpu(range->slba); 2399d7d1474fSKlaus Jensen nlb = le32_to_cpu(range->nlb); 2400d7d1474fSKlaus Jensen 2401d7d1474fSKlaus Jensen /* 2402d7d1474fSKlaus Jensen * Check that all block were discarded (zeroed); otherwise we do not zero 2403d7d1474fSKlaus Jensen * the metadata. 2404d7d1474fSKlaus Jensen */ 2405d7d1474fSKlaus Jensen 2406d7d1474fSKlaus Jensen ret = nvme_block_status_all(ns, slba, nlb, BDRV_BLOCK_ZERO); 2407d7d1474fSKlaus Jensen if (ret) { 2408d7d1474fSKlaus Jensen if (ret < 0) { 2409d7d1474fSKlaus Jensen iocb->ret = ret; 2410d7d1474fSKlaus Jensen goto done; 2411d7d1474fSKlaus Jensen } 2412d7d1474fSKlaus Jensen 2413d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 241451c45326SDmitry Tikhov return; 2415d7d1474fSKlaus Jensen } 2416d7d1474fSKlaus Jensen 2417d7d1474fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, nvme_moff(ns, slba), 2418d7d1474fSKlaus Jensen nvme_m2b(ns, nlb), BDRV_REQ_MAY_UNMAP, 2419d7d1474fSKlaus Jensen nvme_dsm_cb, iocb); 2420d7d1474fSKlaus Jensen return; 2421d7d1474fSKlaus Jensen 2422d7d1474fSKlaus Jensen done: 2423d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2424d7d1474fSKlaus Jensen qemu_bh_schedule(iocb->bh); 2425d7d1474fSKlaus Jensen } 2426d7d1474fSKlaus Jensen 2427d7d1474fSKlaus Jensen static void nvme_dsm_cb(void *opaque, int ret) 2428d7d1474fSKlaus Jensen { 2429d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2430d7d1474fSKlaus Jensen NvmeRequest *req = iocb->req; 2431d7d1474fSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 2432d7d1474fSKlaus Jensen NvmeNamespace *ns = req->ns; 2433d7d1474fSKlaus Jensen NvmeDsmRange *range; 2434d7d1474fSKlaus Jensen uint64_t slba; 2435d7d1474fSKlaus Jensen uint32_t nlb; 2436d7d1474fSKlaus Jensen 2437d7d1474fSKlaus Jensen if (ret < 0) { 2438d7d1474fSKlaus Jensen iocb->ret = ret; 2439d7d1474fSKlaus Jensen goto done; 2440d7d1474fSKlaus Jensen } 2441d7d1474fSKlaus Jensen 2442d7d1474fSKlaus Jensen next: 2443d7d1474fSKlaus Jensen if (iocb->idx == iocb->nr) { 2444d7d1474fSKlaus Jensen goto done; 2445d7d1474fSKlaus Jensen } 2446d7d1474fSKlaus Jensen 2447d7d1474fSKlaus Jensen range = &iocb->range[iocb->idx++]; 2448d7d1474fSKlaus Jensen slba = le64_to_cpu(range->slba); 2449d7d1474fSKlaus Jensen nlb = le32_to_cpu(range->nlb); 2450d7d1474fSKlaus Jensen 2451d7d1474fSKlaus Jensen trace_pci_nvme_dsm_deallocate(slba, nlb); 2452d7d1474fSKlaus Jensen 2453d7d1474fSKlaus Jensen if (nlb > n->dmrsl) { 2454d7d1474fSKlaus Jensen trace_pci_nvme_dsm_single_range_limit_exceeded(nlb, n->dmrsl); 2455d7d1474fSKlaus Jensen goto next; 2456d7d1474fSKlaus Jensen } 2457d7d1474fSKlaus Jensen 2458d7d1474fSKlaus Jensen if (nvme_check_bounds(ns, slba, nlb)) { 2459d7d1474fSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(slba, nlb, 2460d7d1474fSKlaus Jensen ns->id_ns.nsze); 2461d7d1474fSKlaus Jensen goto next; 2462d7d1474fSKlaus Jensen } 2463d7d1474fSKlaus Jensen 2464d7d1474fSKlaus Jensen iocb->aiocb = blk_aio_pdiscard(ns->blkconf.blk, nvme_l2b(ns, slba), 2465d7d1474fSKlaus Jensen nvme_l2b(ns, nlb), 2466d7d1474fSKlaus Jensen nvme_dsm_md_cb, iocb); 2467d7d1474fSKlaus Jensen return; 2468d7d1474fSKlaus Jensen 2469d7d1474fSKlaus Jensen done: 2470d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2471d7d1474fSKlaus Jensen qemu_bh_schedule(iocb->bh); 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->bh = qemu_bh_new(nvme_dsm_bh, iocb); 2490d7d1474fSKlaus Jensen iocb->ret = 0; 2491d7d1474fSKlaus Jensen iocb->range = g_new(NvmeDsmRange, nr); 2492d7d1474fSKlaus Jensen iocb->nr = nr; 2493d7d1474fSKlaus Jensen iocb->idx = 0; 2494d7d1474fSKlaus Jensen 2495d7d1474fSKlaus Jensen status = nvme_h2c(n, (uint8_t *)iocb->range, sizeof(NvmeDsmRange) * nr, 2496d7d1474fSKlaus Jensen req); 249788eea45cSKlaus Jensen if (status) { 249888eea45cSKlaus Jensen return status; 249988eea45cSKlaus Jensen } 250088eea45cSKlaus Jensen 2501d7d1474fSKlaus Jensen req->aiocb = &iocb->common; 2502d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 250388eea45cSKlaus Jensen 2504d7d1474fSKlaus Jensen return NVME_NO_COMPLETE; 250588eea45cSKlaus Jensen } 250688eea45cSKlaus Jensen 250788eea45cSKlaus Jensen return status; 250888eea45cSKlaus Jensen } 250988eea45cSKlaus Jensen 251088eea45cSKlaus Jensen static uint16_t nvme_verify(NvmeCtrl *n, NvmeRequest *req) 251188eea45cSKlaus Jensen { 251288eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 251388eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 251488eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 251588eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 251688eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 251788eea45cSKlaus Jensen size_t len = nvme_l2b(ns, nlb); 251888eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 25192a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 252088eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 252188eea45cSKlaus Jensen NvmeBounceContext *ctx = NULL; 252288eea45cSKlaus Jensen uint16_t status; 252388eea45cSKlaus Jensen 252488eea45cSKlaus Jensen trace_pci_nvme_verify(nvme_cid(req), nvme_nsid(ns), slba, nlb); 252588eea45cSKlaus Jensen 252688eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 25272a132309SKlaus Jensen status = nvme_check_prinfo(ns, prinfo, slba, reftag); 252888eea45cSKlaus Jensen if (status) { 252988eea45cSKlaus Jensen return status; 253088eea45cSKlaus Jensen } 253188eea45cSKlaus Jensen 25322a132309SKlaus Jensen if (prinfo & NVME_PRINFO_PRACT) { 253388eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 253488eea45cSKlaus Jensen } 253588eea45cSKlaus Jensen } 253688eea45cSKlaus Jensen 253788eea45cSKlaus Jensen if (len > n->page_size << n->params.vsl) { 253888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 253988eea45cSKlaus Jensen } 254088eea45cSKlaus Jensen 254188eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 254288eea45cSKlaus Jensen if (status) { 254388eea45cSKlaus Jensen return status; 254488eea45cSKlaus Jensen } 254588eea45cSKlaus Jensen 254688eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 254788eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 254888eea45cSKlaus Jensen if (status) { 254988eea45cSKlaus Jensen return status; 255088eea45cSKlaus Jensen } 255188eea45cSKlaus Jensen } 255288eea45cSKlaus Jensen 255388eea45cSKlaus Jensen ctx = g_new0(NvmeBounceContext, 1); 255488eea45cSKlaus Jensen ctx->req = req; 255588eea45cSKlaus Jensen 255688eea45cSKlaus Jensen ctx->data.bounce = g_malloc(len); 255788eea45cSKlaus Jensen 255888eea45cSKlaus Jensen qemu_iovec_init(&ctx->data.iov, 1); 255988eea45cSKlaus Jensen qemu_iovec_add(&ctx->data.iov, ctx->data.bounce, len); 256088eea45cSKlaus Jensen 256188eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, ctx->data.iov.size, 256288eea45cSKlaus Jensen BLOCK_ACCT_READ); 256388eea45cSKlaus Jensen 256488eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(ns->blkconf.blk, offset, &ctx->data.iov, 0, 256588eea45cSKlaus Jensen nvme_verify_mdata_in_cb, ctx); 256688eea45cSKlaus Jensen return NVME_NO_COMPLETE; 256788eea45cSKlaus Jensen } 256888eea45cSKlaus Jensen 2569796d2068SKlaus Jensen typedef struct NvmeCopyAIOCB { 2570796d2068SKlaus Jensen BlockAIOCB common; 2571796d2068SKlaus Jensen BlockAIOCB *aiocb; 2572796d2068SKlaus Jensen NvmeRequest *req; 2573796d2068SKlaus Jensen QEMUBH *bh; 2574796d2068SKlaus Jensen int ret; 2575796d2068SKlaus Jensen 257644219b60SNaveen Nagar void *ranges; 257744219b60SNaveen Nagar unsigned int format; 2578796d2068SKlaus Jensen int nr; 2579796d2068SKlaus Jensen int idx; 2580796d2068SKlaus Jensen 2581796d2068SKlaus Jensen uint8_t *bounce; 2582796d2068SKlaus Jensen QEMUIOVector iov; 2583796d2068SKlaus Jensen struct { 2584796d2068SKlaus Jensen BlockAcctCookie read; 2585796d2068SKlaus Jensen BlockAcctCookie write; 2586796d2068SKlaus Jensen } acct; 2587796d2068SKlaus Jensen 258844219b60SNaveen Nagar uint64_t reftag; 2589796d2068SKlaus Jensen uint64_t slba; 2590796d2068SKlaus Jensen 2591796d2068SKlaus Jensen NvmeZone *zone; 2592796d2068SKlaus Jensen } NvmeCopyAIOCB; 2593796d2068SKlaus Jensen 2594796d2068SKlaus Jensen static void nvme_copy_cancel(BlockAIOCB *aiocb) 259588eea45cSKlaus Jensen { 2596796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = container_of(aiocb, NvmeCopyAIOCB, common); 2597796d2068SKlaus Jensen 2598796d2068SKlaus Jensen iocb->ret = -ECANCELED; 2599796d2068SKlaus Jensen 2600796d2068SKlaus Jensen if (iocb->aiocb) { 2601796d2068SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 2602796d2068SKlaus Jensen iocb->aiocb = NULL; 2603796d2068SKlaus Jensen } 2604796d2068SKlaus Jensen } 2605796d2068SKlaus Jensen 2606796d2068SKlaus Jensen static const AIOCBInfo nvme_copy_aiocb_info = { 2607796d2068SKlaus Jensen .aiocb_size = sizeof(NvmeCopyAIOCB), 2608796d2068SKlaus Jensen .cancel_async = nvme_copy_cancel, 2609796d2068SKlaus Jensen }; 2610796d2068SKlaus Jensen 2611796d2068SKlaus Jensen static void nvme_copy_bh(void *opaque) 2612796d2068SKlaus Jensen { 2613796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2614796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 261588eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 2616796d2068SKlaus Jensen BlockAcctStats *stats = blk_get_stats(ns->blkconf.blk); 2617796d2068SKlaus Jensen 2618796d2068SKlaus Jensen if (iocb->idx != iocb->nr) { 2619796d2068SKlaus Jensen req->cqe.result = cpu_to_le32(iocb->idx); 2620796d2068SKlaus Jensen } 2621796d2068SKlaus Jensen 2622796d2068SKlaus Jensen qemu_iovec_destroy(&iocb->iov); 2623796d2068SKlaus Jensen g_free(iocb->bounce); 2624796d2068SKlaus Jensen 2625796d2068SKlaus Jensen qemu_bh_delete(iocb->bh); 2626796d2068SKlaus Jensen iocb->bh = NULL; 2627796d2068SKlaus Jensen 2628796d2068SKlaus Jensen if (iocb->ret < 0) { 2629796d2068SKlaus Jensen block_acct_failed(stats, &iocb->acct.read); 2630796d2068SKlaus Jensen block_acct_failed(stats, &iocb->acct.write); 2631796d2068SKlaus Jensen } else { 2632796d2068SKlaus Jensen block_acct_done(stats, &iocb->acct.read); 2633796d2068SKlaus Jensen block_acct_done(stats, &iocb->acct.write); 2634796d2068SKlaus Jensen } 2635796d2068SKlaus Jensen 2636796d2068SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 2637796d2068SKlaus Jensen qemu_aio_unref(iocb); 2638796d2068SKlaus Jensen } 2639796d2068SKlaus Jensen 2640796d2068SKlaus Jensen static void nvme_copy_cb(void *opaque, int ret); 2641796d2068SKlaus Jensen 264244219b60SNaveen Nagar static void nvme_copy_source_range_parse_format0(void *ranges, int idx, 264344219b60SNaveen Nagar uint64_t *slba, uint32_t *nlb, 264444219b60SNaveen Nagar uint16_t *apptag, 264544219b60SNaveen Nagar uint16_t *appmask, 264644219b60SNaveen Nagar uint64_t *reftag) 264744219b60SNaveen Nagar { 264844219b60SNaveen Nagar NvmeCopySourceRangeFormat0 *_ranges = ranges; 264944219b60SNaveen Nagar 265044219b60SNaveen Nagar if (slba) { 265144219b60SNaveen Nagar *slba = le64_to_cpu(_ranges[idx].slba); 265244219b60SNaveen Nagar } 265344219b60SNaveen Nagar 265444219b60SNaveen Nagar if (nlb) { 265544219b60SNaveen Nagar *nlb = le16_to_cpu(_ranges[idx].nlb) + 1; 265644219b60SNaveen Nagar } 265744219b60SNaveen Nagar 265844219b60SNaveen Nagar if (apptag) { 265944219b60SNaveen Nagar *apptag = le16_to_cpu(_ranges[idx].apptag); 266044219b60SNaveen Nagar } 266144219b60SNaveen Nagar 266244219b60SNaveen Nagar if (appmask) { 266344219b60SNaveen Nagar *appmask = le16_to_cpu(_ranges[idx].appmask); 266444219b60SNaveen Nagar } 266544219b60SNaveen Nagar 266644219b60SNaveen Nagar if (reftag) { 266744219b60SNaveen Nagar *reftag = le32_to_cpu(_ranges[idx].reftag); 266844219b60SNaveen Nagar } 266944219b60SNaveen Nagar } 267044219b60SNaveen Nagar 267144219b60SNaveen Nagar static void nvme_copy_source_range_parse_format1(void *ranges, int idx, 267244219b60SNaveen Nagar uint64_t *slba, uint32_t *nlb, 267344219b60SNaveen Nagar uint16_t *apptag, 267444219b60SNaveen Nagar uint16_t *appmask, 267544219b60SNaveen Nagar uint64_t *reftag) 267644219b60SNaveen Nagar { 267744219b60SNaveen Nagar NvmeCopySourceRangeFormat1 *_ranges = ranges; 267844219b60SNaveen Nagar 267944219b60SNaveen Nagar if (slba) { 268044219b60SNaveen Nagar *slba = le64_to_cpu(_ranges[idx].slba); 268144219b60SNaveen Nagar } 268244219b60SNaveen Nagar 268344219b60SNaveen Nagar if (nlb) { 268444219b60SNaveen Nagar *nlb = le16_to_cpu(_ranges[idx].nlb) + 1; 268544219b60SNaveen Nagar } 268644219b60SNaveen Nagar 268744219b60SNaveen Nagar if (apptag) { 268844219b60SNaveen Nagar *apptag = le16_to_cpu(_ranges[idx].apptag); 268944219b60SNaveen Nagar } 269044219b60SNaveen Nagar 269144219b60SNaveen Nagar if (appmask) { 269244219b60SNaveen Nagar *appmask = le16_to_cpu(_ranges[idx].appmask); 269344219b60SNaveen Nagar } 269444219b60SNaveen Nagar 269544219b60SNaveen Nagar if (reftag) { 269644219b60SNaveen Nagar *reftag = 0; 269744219b60SNaveen Nagar 269844219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[4] << 40; 269944219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[5] << 32; 270044219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[6] << 24; 270144219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[7] << 16; 270244219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[8] << 8; 270344219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[9]; 270444219b60SNaveen Nagar } 270544219b60SNaveen Nagar } 270644219b60SNaveen Nagar 270744219b60SNaveen Nagar static void nvme_copy_source_range_parse(void *ranges, int idx, uint8_t format, 270844219b60SNaveen Nagar uint64_t *slba, uint32_t *nlb, 270944219b60SNaveen Nagar uint16_t *apptag, uint16_t *appmask, 271044219b60SNaveen Nagar uint64_t *reftag) 271144219b60SNaveen Nagar { 271244219b60SNaveen Nagar switch (format) { 271344219b60SNaveen Nagar case NVME_COPY_FORMAT_0: 271444219b60SNaveen Nagar nvme_copy_source_range_parse_format0(ranges, idx, slba, nlb, apptag, 271544219b60SNaveen Nagar appmask, reftag); 271644219b60SNaveen Nagar break; 271744219b60SNaveen Nagar 271844219b60SNaveen Nagar case NVME_COPY_FORMAT_1: 271944219b60SNaveen Nagar nvme_copy_source_range_parse_format1(ranges, idx, slba, nlb, apptag, 272044219b60SNaveen Nagar appmask, reftag); 272144219b60SNaveen Nagar break; 272244219b60SNaveen Nagar 272344219b60SNaveen Nagar default: 272444219b60SNaveen Nagar abort(); 272544219b60SNaveen Nagar } 272644219b60SNaveen Nagar } 272744219b60SNaveen Nagar 2728796d2068SKlaus Jensen static void nvme_copy_out_completed_cb(void *opaque, int ret) 2729796d2068SKlaus Jensen { 2730796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2731796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2732796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 273344219b60SNaveen Nagar uint32_t nlb; 273444219b60SNaveen Nagar 273544219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, NULL, 273644219b60SNaveen Nagar &nlb, NULL, NULL, NULL); 2737796d2068SKlaus Jensen 2738796d2068SKlaus Jensen if (ret < 0) { 2739796d2068SKlaus Jensen iocb->ret = ret; 2740796d2068SKlaus Jensen goto out; 2741796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2742796d2068SKlaus Jensen goto out; 2743796d2068SKlaus Jensen } 2744796d2068SKlaus Jensen 2745796d2068SKlaus Jensen if (ns->params.zoned) { 2746796d2068SKlaus Jensen nvme_advance_zone_wp(ns, iocb->zone, nlb); 2747796d2068SKlaus Jensen } 2748796d2068SKlaus Jensen 2749796d2068SKlaus Jensen iocb->idx++; 2750796d2068SKlaus Jensen iocb->slba += nlb; 2751796d2068SKlaus Jensen out: 2752796d2068SKlaus Jensen nvme_copy_cb(iocb, iocb->ret); 2753796d2068SKlaus Jensen } 2754796d2068SKlaus Jensen 2755796d2068SKlaus Jensen static void nvme_copy_out_cb(void *opaque, int ret) 2756796d2068SKlaus Jensen { 2757796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2758796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2759796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2760796d2068SKlaus Jensen uint32_t nlb; 2761796d2068SKlaus Jensen size_t mlen; 2762796d2068SKlaus Jensen uint8_t *mbounce; 2763796d2068SKlaus Jensen 2764796d2068SKlaus Jensen if (ret < 0) { 2765796d2068SKlaus Jensen iocb->ret = ret; 2766796d2068SKlaus Jensen goto out; 2767796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2768796d2068SKlaus Jensen goto out; 2769796d2068SKlaus Jensen } 2770796d2068SKlaus Jensen 2771796d2068SKlaus Jensen if (!ns->lbaf.ms) { 2772796d2068SKlaus Jensen nvme_copy_out_completed_cb(iocb, 0); 2773796d2068SKlaus Jensen return; 2774796d2068SKlaus Jensen } 2775796d2068SKlaus Jensen 277644219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, NULL, 277744219b60SNaveen Nagar &nlb, NULL, NULL, NULL); 2778796d2068SKlaus Jensen 2779796d2068SKlaus Jensen mlen = nvme_m2b(ns, nlb); 2780796d2068SKlaus Jensen mbounce = iocb->bounce + nvme_l2b(ns, nlb); 2781796d2068SKlaus Jensen 2782796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2783796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, mbounce, mlen); 2784796d2068SKlaus Jensen 2785796d2068SKlaus Jensen iocb->aiocb = blk_aio_pwritev(ns->blkconf.blk, nvme_moff(ns, iocb->slba), 2786796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_out_completed_cb, 2787796d2068SKlaus Jensen iocb); 2788796d2068SKlaus Jensen 2789796d2068SKlaus Jensen return; 2790796d2068SKlaus Jensen 2791796d2068SKlaus Jensen out: 2792796d2068SKlaus Jensen nvme_copy_cb(iocb, ret); 2793796d2068SKlaus Jensen } 2794796d2068SKlaus Jensen 2795796d2068SKlaus Jensen static void nvme_copy_in_completed_cb(void *opaque, int ret) 2796796d2068SKlaus Jensen { 2797796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2798796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2799796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2800796d2068SKlaus Jensen uint32_t nlb; 280144219b60SNaveen Nagar uint64_t slba; 280244219b60SNaveen Nagar uint16_t apptag, appmask; 280344219b60SNaveen Nagar uint64_t reftag; 2804796d2068SKlaus Jensen size_t len; 2805796d2068SKlaus Jensen uint16_t status; 2806796d2068SKlaus Jensen 2807796d2068SKlaus Jensen if (ret < 0) { 2808796d2068SKlaus Jensen iocb->ret = ret; 2809796d2068SKlaus Jensen goto out; 2810796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2811796d2068SKlaus Jensen goto out; 2812796d2068SKlaus Jensen } 2813796d2068SKlaus Jensen 281444219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, &slba, 281544219b60SNaveen Nagar &nlb, &apptag, &appmask, &reftag); 2816796d2068SKlaus Jensen len = nvme_l2b(ns, nlb); 2817796d2068SKlaus Jensen 2818796d2068SKlaus Jensen trace_pci_nvme_copy_out(iocb->slba, nlb); 2819796d2068SKlaus Jensen 2820796d2068SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 282188eea45cSKlaus Jensen NvmeCopyCmd *copy = (NvmeCopyCmd *)&req->cmd; 282288eea45cSKlaus Jensen 2823796d2068SKlaus Jensen uint16_t prinfor = ((copy->control[0] >> 4) & 0xf); 2824796d2068SKlaus Jensen uint16_t prinfow = ((copy->control[2] >> 2) & 0xf); 282588eea45cSKlaus Jensen 2826796d2068SKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 2827796d2068SKlaus Jensen uint8_t *mbounce = iocb->bounce + nvme_l2b(ns, nlb); 2828796d2068SKlaus Jensen 28292e8f952aSDmitry Tikhov status = nvme_dif_mangle_mdata(ns, mbounce, mlen, slba); 28302e8f952aSDmitry Tikhov if (status) { 28312e8f952aSDmitry Tikhov goto invalid; 28322e8f952aSDmitry Tikhov } 2833796d2068SKlaus Jensen status = nvme_dif_check(ns, iocb->bounce, len, mbounce, mlen, prinfor, 2834796d2068SKlaus Jensen slba, apptag, appmask, &reftag); 2835796d2068SKlaus Jensen if (status) { 2836796d2068SKlaus Jensen goto invalid; 2837796d2068SKlaus Jensen } 2838796d2068SKlaus Jensen 2839796d2068SKlaus Jensen apptag = le16_to_cpu(copy->apptag); 2840796d2068SKlaus Jensen appmask = le16_to_cpu(copy->appmask); 2841796d2068SKlaus Jensen 2842796d2068SKlaus Jensen if (prinfow & NVME_PRINFO_PRACT) { 2843796d2068SKlaus Jensen status = nvme_check_prinfo(ns, prinfow, iocb->slba, iocb->reftag); 2844796d2068SKlaus Jensen if (status) { 2845796d2068SKlaus Jensen goto invalid; 2846796d2068SKlaus Jensen } 2847796d2068SKlaus Jensen 2848796d2068SKlaus Jensen nvme_dif_pract_generate_dif(ns, iocb->bounce, len, mbounce, mlen, 2849796d2068SKlaus Jensen apptag, &iocb->reftag); 2850796d2068SKlaus Jensen } else { 2851796d2068SKlaus Jensen status = nvme_dif_check(ns, iocb->bounce, len, mbounce, mlen, 2852796d2068SKlaus Jensen prinfow, iocb->slba, apptag, appmask, 2853796d2068SKlaus Jensen &iocb->reftag); 2854796d2068SKlaus Jensen if (status) { 2855796d2068SKlaus Jensen goto invalid; 2856796d2068SKlaus Jensen } 2857796d2068SKlaus Jensen } 2858796d2068SKlaus Jensen } 2859796d2068SKlaus Jensen 2860796d2068SKlaus Jensen status = nvme_check_bounds(ns, iocb->slba, nlb); 2861796d2068SKlaus Jensen if (status) { 2862796d2068SKlaus Jensen goto invalid; 2863796d2068SKlaus Jensen } 2864796d2068SKlaus Jensen 2865796d2068SKlaus Jensen if (ns->params.zoned) { 2866796d2068SKlaus Jensen status = nvme_check_zone_write(ns, iocb->zone, iocb->slba, nlb); 2867796d2068SKlaus Jensen if (status) { 2868796d2068SKlaus Jensen goto invalid; 2869796d2068SKlaus Jensen } 2870796d2068SKlaus Jensen 2871e321b4cdSKlaus Jensen if (!(iocb->zone->d.za & NVME_ZA_ZRWA_VALID)) { 2872796d2068SKlaus Jensen iocb->zone->w_ptr += nlb; 2873796d2068SKlaus Jensen } 2874e321b4cdSKlaus Jensen } 2875796d2068SKlaus Jensen 2876796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2877796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce, len); 2878796d2068SKlaus Jensen 2879796d2068SKlaus Jensen iocb->aiocb = blk_aio_pwritev(ns->blkconf.blk, nvme_l2b(ns, iocb->slba), 2880796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_out_cb, iocb); 2881796d2068SKlaus Jensen 2882796d2068SKlaus Jensen return; 2883796d2068SKlaus Jensen 2884796d2068SKlaus Jensen invalid: 2885796d2068SKlaus Jensen req->status = status; 2886796d2068SKlaus Jensen iocb->aiocb = NULL; 2887796d2068SKlaus Jensen if (iocb->bh) { 2888796d2068SKlaus Jensen qemu_bh_schedule(iocb->bh); 2889796d2068SKlaus Jensen } 2890796d2068SKlaus Jensen 2891796d2068SKlaus Jensen return; 2892796d2068SKlaus Jensen 2893796d2068SKlaus Jensen out: 2894796d2068SKlaus Jensen nvme_copy_cb(iocb, ret); 2895796d2068SKlaus Jensen } 2896796d2068SKlaus Jensen 2897796d2068SKlaus Jensen static void nvme_copy_in_cb(void *opaque, int ret) 2898796d2068SKlaus Jensen { 2899796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2900796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2901796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2902796d2068SKlaus Jensen uint64_t slba; 2903796d2068SKlaus Jensen uint32_t nlb; 2904796d2068SKlaus Jensen 2905796d2068SKlaus Jensen if (ret < 0) { 2906796d2068SKlaus Jensen iocb->ret = ret; 2907796d2068SKlaus Jensen goto out; 2908796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2909796d2068SKlaus Jensen goto out; 2910796d2068SKlaus Jensen } 2911796d2068SKlaus Jensen 2912796d2068SKlaus Jensen if (!ns->lbaf.ms) { 2913796d2068SKlaus Jensen nvme_copy_in_completed_cb(iocb, 0); 2914796d2068SKlaus Jensen return; 2915796d2068SKlaus Jensen } 2916796d2068SKlaus Jensen 291744219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, &slba, 291844219b60SNaveen Nagar &nlb, NULL, NULL, NULL); 2919796d2068SKlaus Jensen 2920796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2921796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce + nvme_l2b(ns, nlb), 2922796d2068SKlaus Jensen nvme_m2b(ns, nlb)); 2923796d2068SKlaus Jensen 2924796d2068SKlaus Jensen iocb->aiocb = blk_aio_preadv(ns->blkconf.blk, nvme_moff(ns, slba), 2925796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_in_completed_cb, 2926796d2068SKlaus Jensen iocb); 2927796d2068SKlaus Jensen return; 2928796d2068SKlaus Jensen 2929796d2068SKlaus Jensen out: 2930796d2068SKlaus Jensen nvme_copy_cb(iocb, iocb->ret); 2931796d2068SKlaus Jensen } 2932796d2068SKlaus Jensen 2933796d2068SKlaus Jensen static void nvme_copy_cb(void *opaque, int ret) 2934796d2068SKlaus Jensen { 2935796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2936796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2937796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2938796d2068SKlaus Jensen uint64_t slba; 2939796d2068SKlaus Jensen uint32_t nlb; 2940796d2068SKlaus Jensen size_t len; 294188eea45cSKlaus Jensen uint16_t status; 294288eea45cSKlaus Jensen 2943796d2068SKlaus Jensen if (ret < 0) { 2944796d2068SKlaus Jensen iocb->ret = ret; 2945796d2068SKlaus Jensen goto done; 2946796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2947796d2068SKlaus Jensen goto done; 294888eea45cSKlaus Jensen } 294988eea45cSKlaus Jensen 2950796d2068SKlaus Jensen if (iocb->idx == iocb->nr) { 2951796d2068SKlaus Jensen goto done; 295288eea45cSKlaus Jensen } 295388eea45cSKlaus Jensen 295444219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, &slba, 295544219b60SNaveen Nagar &nlb, NULL, NULL, NULL); 2956796d2068SKlaus Jensen len = nvme_l2b(ns, nlb); 295788eea45cSKlaus Jensen 2958796d2068SKlaus Jensen trace_pci_nvme_copy_source_range(slba, nlb); 295988eea45cSKlaus Jensen 2960796d2068SKlaus Jensen if (nlb > le16_to_cpu(ns->id_ns.mssrl)) { 296188eea45cSKlaus Jensen status = NVME_CMD_SIZE_LIMIT | NVME_DNR; 2962796d2068SKlaus Jensen goto invalid; 296388eea45cSKlaus Jensen } 296488eea45cSKlaus Jensen 2965796d2068SKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 296688eea45cSKlaus Jensen if (status) { 2967796d2068SKlaus Jensen goto invalid; 296888eea45cSKlaus Jensen } 296988eea45cSKlaus Jensen 297088eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 2971796d2068SKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 297288eea45cSKlaus Jensen if (status) { 2973796d2068SKlaus Jensen goto invalid; 297488eea45cSKlaus Jensen } 297588eea45cSKlaus Jensen } 297688eea45cSKlaus Jensen 297788eea45cSKlaus Jensen if (ns->params.zoned) { 2978796d2068SKlaus Jensen status = nvme_check_zone_read(ns, slba, nlb); 297988eea45cSKlaus Jensen if (status) { 2980796d2068SKlaus Jensen goto invalid; 298188eea45cSKlaus Jensen } 298288eea45cSKlaus Jensen } 298388eea45cSKlaus Jensen 2984796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2985796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce, len); 2986796d2068SKlaus Jensen 2987796d2068SKlaus Jensen iocb->aiocb = blk_aio_preadv(ns->blkconf.blk, nvme_l2b(ns, slba), 2988796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_in_cb, iocb); 2989796d2068SKlaus Jensen return; 2990796d2068SKlaus Jensen 2991796d2068SKlaus Jensen invalid: 2992796d2068SKlaus Jensen req->status = status; 2993796d2068SKlaus Jensen done: 2994796d2068SKlaus Jensen iocb->aiocb = NULL; 2995796d2068SKlaus Jensen if (iocb->bh) { 2996796d2068SKlaus Jensen qemu_bh_schedule(iocb->bh); 2997796d2068SKlaus Jensen } 299888eea45cSKlaus Jensen } 299988eea45cSKlaus Jensen 3000796d2068SKlaus Jensen 3001796d2068SKlaus Jensen static uint16_t nvme_copy(NvmeCtrl *n, NvmeRequest *req) 3002796d2068SKlaus Jensen { 3003796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 3004796d2068SKlaus Jensen NvmeCopyCmd *copy = (NvmeCopyCmd *)&req->cmd; 3005796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = blk_aio_get(&nvme_copy_aiocb_info, ns->blkconf.blk, 3006796d2068SKlaus Jensen nvme_misc_cb, req); 3007796d2068SKlaus Jensen uint16_t nr = copy->nr + 1; 3008796d2068SKlaus Jensen uint8_t format = copy->control[0] & 0xf; 3009796d2068SKlaus Jensen uint16_t prinfor = ((copy->control[0] >> 4) & 0xf); 3010796d2068SKlaus Jensen uint16_t prinfow = ((copy->control[2] >> 2) & 0xf); 301144219b60SNaveen Nagar size_t len = sizeof(NvmeCopySourceRangeFormat0); 3012796d2068SKlaus Jensen 3013796d2068SKlaus Jensen uint16_t status; 3014796d2068SKlaus Jensen 3015796d2068SKlaus Jensen trace_pci_nvme_copy(nvme_cid(req), nvme_nsid(ns), nr, format); 3016796d2068SKlaus Jensen 3017796d2068SKlaus Jensen iocb->ranges = NULL; 3018796d2068SKlaus Jensen iocb->zone = NULL; 3019796d2068SKlaus Jensen 3020796d2068SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) && 3021796d2068SKlaus Jensen ((prinfor & NVME_PRINFO_PRACT) != (prinfow & NVME_PRINFO_PRACT))) { 3022796d2068SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 3023796d2068SKlaus Jensen goto invalid; 3024796d2068SKlaus Jensen } 3025796d2068SKlaus Jensen 3026796d2068SKlaus Jensen if (!(n->id_ctrl.ocfs & (1 << format))) { 3027796d2068SKlaus Jensen trace_pci_nvme_err_copy_invalid_format(format); 3028796d2068SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 3029796d2068SKlaus Jensen goto invalid; 3030796d2068SKlaus Jensen } 3031796d2068SKlaus Jensen 3032796d2068SKlaus Jensen if (nr > ns->id_ns.msrc + 1) { 303388eea45cSKlaus Jensen status = NVME_CMD_SIZE_LIMIT | NVME_DNR; 3034796d2068SKlaus Jensen goto invalid; 303588eea45cSKlaus Jensen } 303688eea45cSKlaus Jensen 3037632cb6cfSFrancis Pravin Antony Michael Raj if ((ns->pif == 0x0 && format != 0x0) || 3038632cb6cfSFrancis Pravin Antony Michael Raj (ns->pif != 0x0 && format != 0x1)) { 303944219b60SNaveen Nagar status = NVME_INVALID_FORMAT | NVME_DNR; 304044219b60SNaveen Nagar goto invalid; 304144219b60SNaveen Nagar } 3042796d2068SKlaus Jensen 304344219b60SNaveen Nagar if (ns->pif) { 304444219b60SNaveen Nagar len = sizeof(NvmeCopySourceRangeFormat1); 304544219b60SNaveen Nagar } 304644219b60SNaveen Nagar 304744219b60SNaveen Nagar iocb->format = format; 304844219b60SNaveen Nagar iocb->ranges = g_malloc_n(nr, len); 304944219b60SNaveen Nagar status = nvme_h2c(n, (uint8_t *)iocb->ranges, len * nr, req); 3050796d2068SKlaus Jensen if (status) { 3051796d2068SKlaus Jensen goto invalid; 305288eea45cSKlaus Jensen } 305388eea45cSKlaus Jensen 3054796d2068SKlaus Jensen iocb->slba = le64_to_cpu(copy->sdlba); 3055796d2068SKlaus Jensen 3056796d2068SKlaus Jensen if (ns->params.zoned) { 3057796d2068SKlaus Jensen iocb->zone = nvme_get_zone_by_slba(ns, iocb->slba); 3058796d2068SKlaus Jensen if (!iocb->zone) { 3059796d2068SKlaus Jensen status = NVME_LBA_RANGE | NVME_DNR; 3060796d2068SKlaus Jensen goto invalid; 3061796d2068SKlaus Jensen } 3062796d2068SKlaus Jensen 3063796d2068SKlaus Jensen status = nvme_zrm_auto(n, ns, iocb->zone); 3064796d2068SKlaus Jensen if (status) { 3065796d2068SKlaus Jensen goto invalid; 3066796d2068SKlaus Jensen } 3067796d2068SKlaus Jensen } 3068796d2068SKlaus Jensen 3069796d2068SKlaus Jensen iocb->req = req; 3070796d2068SKlaus Jensen iocb->bh = qemu_bh_new(nvme_copy_bh, iocb); 3071796d2068SKlaus Jensen iocb->ret = 0; 3072796d2068SKlaus Jensen iocb->nr = nr; 3073796d2068SKlaus Jensen iocb->idx = 0; 3074796d2068SKlaus Jensen iocb->reftag = le32_to_cpu(copy->reftag); 307544219b60SNaveen Nagar iocb->reftag |= (uint64_t)le32_to_cpu(copy->cdw3) << 32; 3076796d2068SKlaus Jensen iocb->bounce = g_malloc_n(le16_to_cpu(ns->id_ns.mssrl), 3077796d2068SKlaus Jensen ns->lbasz + ns->lbaf.ms); 3078796d2068SKlaus Jensen 3079796d2068SKlaus Jensen qemu_iovec_init(&iocb->iov, 1); 3080796d2068SKlaus Jensen 3081796d2068SKlaus Jensen block_acct_start(blk_get_stats(ns->blkconf.blk), &iocb->acct.read, 0, 308288eea45cSKlaus Jensen BLOCK_ACCT_READ); 3083796d2068SKlaus Jensen block_acct_start(blk_get_stats(ns->blkconf.blk), &iocb->acct.write, 0, 3084796d2068SKlaus Jensen BLOCK_ACCT_WRITE); 308588eea45cSKlaus Jensen 3086796d2068SKlaus Jensen req->aiocb = &iocb->common; 3087796d2068SKlaus Jensen nvme_copy_cb(iocb, 0); 308888eea45cSKlaus Jensen 308988eea45cSKlaus Jensen return NVME_NO_COMPLETE; 309088eea45cSKlaus Jensen 3091796d2068SKlaus Jensen invalid: 3092796d2068SKlaus Jensen g_free(iocb->ranges); 3093796d2068SKlaus Jensen qemu_aio_unref(iocb); 309488eea45cSKlaus Jensen return status; 309588eea45cSKlaus Jensen } 309688eea45cSKlaus Jensen 309788eea45cSKlaus Jensen static uint16_t nvme_compare(NvmeCtrl *n, NvmeRequest *req) 309888eea45cSKlaus Jensen { 309988eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 310088eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 310188eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 310288eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 310388eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 31042a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 310588eea45cSKlaus Jensen size_t data_len = nvme_l2b(ns, nlb); 310688eea45cSKlaus Jensen size_t len = data_len; 310788eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 310888eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = NULL; 310988eea45cSKlaus Jensen uint16_t status; 311088eea45cSKlaus Jensen 311188eea45cSKlaus Jensen trace_pci_nvme_compare(nvme_cid(req), nvme_nsid(ns), slba, nlb); 311288eea45cSKlaus Jensen 31132a132309SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) && (prinfo & NVME_PRINFO_PRACT)) { 311488eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 311588eea45cSKlaus Jensen } 311688eea45cSKlaus Jensen 311788eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 311888eea45cSKlaus Jensen len += nvme_m2b(ns, nlb); 311988eea45cSKlaus Jensen } 312088eea45cSKlaus Jensen 312188eea45cSKlaus Jensen status = nvme_check_mdts(n, len); 312288eea45cSKlaus Jensen if (status) { 312388eea45cSKlaus Jensen return status; 312488eea45cSKlaus Jensen } 312588eea45cSKlaus Jensen 312688eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 312788eea45cSKlaus Jensen if (status) { 312888eea45cSKlaus Jensen return status; 312988eea45cSKlaus Jensen } 313088eea45cSKlaus Jensen 313188eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 313288eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 313388eea45cSKlaus Jensen if (status) { 313488eea45cSKlaus Jensen return status; 313588eea45cSKlaus Jensen } 313688eea45cSKlaus Jensen } 313788eea45cSKlaus Jensen 313888eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 313988eea45cSKlaus Jensen if (status) { 314088eea45cSKlaus Jensen return status; 314188eea45cSKlaus Jensen } 314288eea45cSKlaus Jensen 314388eea45cSKlaus Jensen ctx = g_new(struct nvme_compare_ctx, 1); 314488eea45cSKlaus Jensen ctx->data.bounce = g_malloc(data_len); 314588eea45cSKlaus Jensen 314688eea45cSKlaus Jensen req->opaque = ctx; 314788eea45cSKlaus Jensen 314888eea45cSKlaus Jensen qemu_iovec_init(&ctx->data.iov, 1); 314988eea45cSKlaus Jensen qemu_iovec_add(&ctx->data.iov, ctx->data.bounce, data_len); 315088eea45cSKlaus Jensen 315188eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_len, 315288eea45cSKlaus Jensen BLOCK_ACCT_READ); 315388eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->data.iov, 0, 315488eea45cSKlaus Jensen nvme_compare_data_cb, req); 315588eea45cSKlaus Jensen 315688eea45cSKlaus Jensen return NVME_NO_COMPLETE; 315788eea45cSKlaus Jensen } 315888eea45cSKlaus Jensen 315938f4ac65SKlaus Jensen typedef struct NvmeFlushAIOCB { 316038f4ac65SKlaus Jensen BlockAIOCB common; 316138f4ac65SKlaus Jensen BlockAIOCB *aiocb; 316238f4ac65SKlaus Jensen NvmeRequest *req; 316338f4ac65SKlaus Jensen int ret; 316438f4ac65SKlaus Jensen 316538f4ac65SKlaus Jensen NvmeNamespace *ns; 316638f4ac65SKlaus Jensen uint32_t nsid; 316738f4ac65SKlaus Jensen bool broadcast; 316838f4ac65SKlaus Jensen } NvmeFlushAIOCB; 316938f4ac65SKlaus Jensen 317038f4ac65SKlaus Jensen static void nvme_flush_cancel(BlockAIOCB *acb) 317138f4ac65SKlaus Jensen { 317238f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = container_of(acb, NvmeFlushAIOCB, common); 317338f4ac65SKlaus Jensen 317438f4ac65SKlaus Jensen iocb->ret = -ECANCELED; 317538f4ac65SKlaus Jensen 317638f4ac65SKlaus Jensen if (iocb->aiocb) { 317738f4ac65SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 3178*3dbc1708SKlaus Jensen iocb->aiocb = NULL; 317938f4ac65SKlaus Jensen } 318038f4ac65SKlaus Jensen } 318138f4ac65SKlaus Jensen 318238f4ac65SKlaus Jensen static const AIOCBInfo nvme_flush_aiocb_info = { 318338f4ac65SKlaus Jensen .aiocb_size = sizeof(NvmeFlushAIOCB), 318438f4ac65SKlaus Jensen .cancel_async = nvme_flush_cancel, 318538f4ac65SKlaus Jensen .get_aio_context = nvme_get_aio_context, 318638f4ac65SKlaus Jensen }; 318738f4ac65SKlaus Jensen 3188*3dbc1708SKlaus Jensen static void nvme_do_flush(NvmeFlushAIOCB *iocb); 3189*3dbc1708SKlaus Jensen 319038f4ac65SKlaus Jensen static void nvme_flush_ns_cb(void *opaque, int ret) 319138f4ac65SKlaus Jensen { 319238f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = opaque; 319338f4ac65SKlaus Jensen NvmeNamespace *ns = iocb->ns; 319438f4ac65SKlaus Jensen 319538f4ac65SKlaus Jensen if (ret < 0) { 319638f4ac65SKlaus Jensen iocb->ret = ret; 319738f4ac65SKlaus Jensen goto out; 319838f4ac65SKlaus Jensen } else if (iocb->ret < 0) { 319938f4ac65SKlaus Jensen goto out; 320038f4ac65SKlaus Jensen } 320138f4ac65SKlaus Jensen 320238f4ac65SKlaus Jensen if (ns) { 320338f4ac65SKlaus Jensen trace_pci_nvme_flush_ns(iocb->nsid); 320438f4ac65SKlaus Jensen 320538f4ac65SKlaus Jensen iocb->ns = NULL; 320638f4ac65SKlaus Jensen iocb->aiocb = blk_aio_flush(ns->blkconf.blk, nvme_flush_ns_cb, iocb); 320738f4ac65SKlaus Jensen return; 320838f4ac65SKlaus Jensen } 320938f4ac65SKlaus Jensen 321038f4ac65SKlaus Jensen out: 3211*3dbc1708SKlaus Jensen nvme_do_flush(iocb); 321238f4ac65SKlaus Jensen } 321338f4ac65SKlaus Jensen 3214*3dbc1708SKlaus Jensen static void nvme_do_flush(NvmeFlushAIOCB *iocb) 321538f4ac65SKlaus Jensen { 321638f4ac65SKlaus Jensen NvmeRequest *req = iocb->req; 321738f4ac65SKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 321838f4ac65SKlaus Jensen int i; 321938f4ac65SKlaus Jensen 322038f4ac65SKlaus Jensen if (iocb->ret < 0) { 322138f4ac65SKlaus Jensen goto done; 322238f4ac65SKlaus Jensen } 322338f4ac65SKlaus Jensen 322438f4ac65SKlaus Jensen if (iocb->broadcast) { 322538f4ac65SKlaus Jensen for (i = iocb->nsid + 1; i <= NVME_MAX_NAMESPACES; i++) { 322638f4ac65SKlaus Jensen iocb->ns = nvme_ns(n, i); 322738f4ac65SKlaus Jensen if (iocb->ns) { 322838f4ac65SKlaus Jensen iocb->nsid = i; 322938f4ac65SKlaus Jensen break; 323038f4ac65SKlaus Jensen } 323138f4ac65SKlaus Jensen } 323238f4ac65SKlaus Jensen } 323338f4ac65SKlaus Jensen 323438f4ac65SKlaus Jensen if (!iocb->ns) { 323538f4ac65SKlaus Jensen goto done; 323638f4ac65SKlaus Jensen } 323738f4ac65SKlaus Jensen 323838f4ac65SKlaus Jensen nvme_flush_ns_cb(iocb, 0); 323938f4ac65SKlaus Jensen return; 324038f4ac65SKlaus Jensen 324138f4ac65SKlaus Jensen done: 324238f4ac65SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 324338f4ac65SKlaus Jensen qemu_aio_unref(iocb); 324438f4ac65SKlaus Jensen } 324538f4ac65SKlaus Jensen 324688eea45cSKlaus Jensen static uint16_t nvme_flush(NvmeCtrl *n, NvmeRequest *req) 324788eea45cSKlaus Jensen { 324838f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb; 324988eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 325088eea45cSKlaus Jensen uint16_t status; 325188eea45cSKlaus Jensen 325238f4ac65SKlaus Jensen iocb = qemu_aio_get(&nvme_flush_aiocb_info, NULL, nvme_misc_cb, req); 325388eea45cSKlaus Jensen 325438f4ac65SKlaus Jensen iocb->req = req; 325538f4ac65SKlaus Jensen iocb->ret = 0; 325638f4ac65SKlaus Jensen iocb->ns = NULL; 325738f4ac65SKlaus Jensen iocb->nsid = 0; 325838f4ac65SKlaus Jensen iocb->broadcast = (nsid == NVME_NSID_BROADCAST); 325938f4ac65SKlaus Jensen 326038f4ac65SKlaus Jensen if (!iocb->broadcast) { 326138f4ac65SKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 326238f4ac65SKlaus Jensen status = NVME_INVALID_NSID | NVME_DNR; 326338f4ac65SKlaus Jensen goto out; 326488eea45cSKlaus Jensen } 326588eea45cSKlaus Jensen 326638f4ac65SKlaus Jensen iocb->ns = nvme_ns(n, nsid); 326738f4ac65SKlaus Jensen if (!iocb->ns) { 326838f4ac65SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 326938f4ac65SKlaus Jensen goto out; 327038f4ac65SKlaus Jensen } 327138f4ac65SKlaus Jensen 327238f4ac65SKlaus Jensen iocb->nsid = nsid; 327338f4ac65SKlaus Jensen } 327438f4ac65SKlaus Jensen 327538f4ac65SKlaus Jensen req->aiocb = &iocb->common; 3276*3dbc1708SKlaus Jensen nvme_do_flush(iocb); 327738f4ac65SKlaus Jensen 327888eea45cSKlaus Jensen return NVME_NO_COMPLETE; 327988eea45cSKlaus Jensen 328038f4ac65SKlaus Jensen out: 328138f4ac65SKlaus Jensen qemu_aio_unref(iocb); 328288eea45cSKlaus Jensen 328388eea45cSKlaus Jensen return status; 328488eea45cSKlaus Jensen } 328588eea45cSKlaus Jensen 328688eea45cSKlaus Jensen static uint16_t nvme_read(NvmeCtrl *n, NvmeRequest *req) 328788eea45cSKlaus Jensen { 328888eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 328988eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 329088eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 329188eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 32922a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 329388eea45cSKlaus Jensen uint64_t data_size = nvme_l2b(ns, nlb); 329488eea45cSKlaus Jensen uint64_t mapped_size = data_size; 329588eea45cSKlaus Jensen uint64_t data_offset; 329688eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 329788eea45cSKlaus Jensen uint16_t status; 329888eea45cSKlaus Jensen 329988eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 330088eea45cSKlaus Jensen mapped_size += nvme_m2b(ns, nlb); 330188eea45cSKlaus Jensen 330288eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 33032a132309SKlaus Jensen bool pract = prinfo & NVME_PRINFO_PRACT; 330488eea45cSKlaus Jensen 3305ac0b34c5SKlaus Jensen if (pract && ns->lbaf.ms == nvme_pi_tuple_size(ns)) { 330688eea45cSKlaus Jensen mapped_size = data_size; 330788eea45cSKlaus Jensen } 330888eea45cSKlaus Jensen } 330988eea45cSKlaus Jensen } 331088eea45cSKlaus Jensen 331188eea45cSKlaus Jensen trace_pci_nvme_read(nvme_cid(req), nvme_nsid(ns), nlb, mapped_size, slba); 331288eea45cSKlaus Jensen 331388eea45cSKlaus Jensen status = nvme_check_mdts(n, mapped_size); 331488eea45cSKlaus Jensen if (status) { 331588eea45cSKlaus Jensen goto invalid; 331688eea45cSKlaus Jensen } 331788eea45cSKlaus Jensen 331888eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 331988eea45cSKlaus Jensen if (status) { 332088eea45cSKlaus Jensen goto invalid; 332188eea45cSKlaus Jensen } 332288eea45cSKlaus Jensen 332388eea45cSKlaus Jensen if (ns->params.zoned) { 332488eea45cSKlaus Jensen status = nvme_check_zone_read(ns, slba, nlb); 332588eea45cSKlaus Jensen if (status) { 332688eea45cSKlaus Jensen trace_pci_nvme_err_zone_read_not_ok(slba, nlb, status); 332788eea45cSKlaus Jensen goto invalid; 332888eea45cSKlaus Jensen } 332988eea45cSKlaus Jensen } 333088eea45cSKlaus Jensen 333188eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 333288eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 333388eea45cSKlaus Jensen if (status) { 333488eea45cSKlaus Jensen goto invalid; 333588eea45cSKlaus Jensen } 333688eea45cSKlaus Jensen } 333788eea45cSKlaus Jensen 333888eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 333988eea45cSKlaus Jensen return nvme_dif_rw(n, req); 334088eea45cSKlaus Jensen } 334188eea45cSKlaus Jensen 334288eea45cSKlaus Jensen status = nvme_map_data(n, nlb, req); 334388eea45cSKlaus Jensen if (status) { 334488eea45cSKlaus Jensen goto invalid; 334588eea45cSKlaus Jensen } 334688eea45cSKlaus Jensen 334788eea45cSKlaus Jensen data_offset = nvme_l2b(ns, slba); 334888eea45cSKlaus Jensen 334988eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_size, 335088eea45cSKlaus Jensen BLOCK_ACCT_READ); 335188eea45cSKlaus Jensen nvme_blk_read(blk, data_offset, nvme_rw_cb, req); 335288eea45cSKlaus Jensen return NVME_NO_COMPLETE; 335388eea45cSKlaus Jensen 335488eea45cSKlaus Jensen invalid: 335588eea45cSKlaus Jensen block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_READ); 335688eea45cSKlaus Jensen return status | NVME_DNR; 335788eea45cSKlaus Jensen } 335888eea45cSKlaus Jensen 335988eea45cSKlaus Jensen static uint16_t nvme_do_write(NvmeCtrl *n, NvmeRequest *req, bool append, 336088eea45cSKlaus Jensen bool wrz) 336188eea45cSKlaus Jensen { 336288eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 336388eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 336488eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 336588eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 336688eea45cSKlaus Jensen uint16_t ctrl = le16_to_cpu(rw->control); 33672a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(ctrl); 336888eea45cSKlaus Jensen uint64_t data_size = nvme_l2b(ns, nlb); 336988eea45cSKlaus Jensen uint64_t mapped_size = data_size; 337088eea45cSKlaus Jensen uint64_t data_offset; 337188eea45cSKlaus Jensen NvmeZone *zone; 337288eea45cSKlaus Jensen NvmeZonedResult *res = (NvmeZonedResult *)&req->cqe; 337388eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 337488eea45cSKlaus Jensen uint16_t status; 337588eea45cSKlaus Jensen 337688eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 337788eea45cSKlaus Jensen mapped_size += nvme_m2b(ns, nlb); 337888eea45cSKlaus Jensen 337988eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 33802a132309SKlaus Jensen bool pract = prinfo & NVME_PRINFO_PRACT; 338188eea45cSKlaus Jensen 3382ac0b34c5SKlaus Jensen if (pract && ns->lbaf.ms == nvme_pi_tuple_size(ns)) { 338388eea45cSKlaus Jensen mapped_size -= nvme_m2b(ns, nlb); 338488eea45cSKlaus Jensen } 338588eea45cSKlaus Jensen } 338688eea45cSKlaus Jensen } 338788eea45cSKlaus Jensen 338888eea45cSKlaus Jensen trace_pci_nvme_write(nvme_cid(req), nvme_io_opc_str(rw->opcode), 338988eea45cSKlaus Jensen nvme_nsid(ns), nlb, mapped_size, slba); 339088eea45cSKlaus Jensen 339188eea45cSKlaus Jensen if (!wrz) { 339288eea45cSKlaus Jensen status = nvme_check_mdts(n, mapped_size); 339388eea45cSKlaus Jensen if (status) { 339488eea45cSKlaus Jensen goto invalid; 339588eea45cSKlaus Jensen } 339688eea45cSKlaus Jensen } 339788eea45cSKlaus Jensen 339888eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 339988eea45cSKlaus Jensen if (status) { 340088eea45cSKlaus Jensen goto invalid; 340188eea45cSKlaus Jensen } 340288eea45cSKlaus Jensen 340388eea45cSKlaus Jensen if (ns->params.zoned) { 340488eea45cSKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 3405189a8bf7SKlaus Jensen assert(zone); 340688eea45cSKlaus Jensen 340788eea45cSKlaus Jensen if (append) { 340888eea45cSKlaus Jensen bool piremap = !!(ctrl & NVME_RW_PIREMAP); 340988eea45cSKlaus Jensen 3410e321b4cdSKlaus Jensen if (unlikely(zone->d.za & NVME_ZA_ZRWA_VALID)) { 3411e321b4cdSKlaus Jensen return NVME_INVALID_ZONE_OP | NVME_DNR; 3412e321b4cdSKlaus Jensen } 3413e321b4cdSKlaus Jensen 341488eea45cSKlaus Jensen if (unlikely(slba != zone->d.zslba)) { 341588eea45cSKlaus Jensen trace_pci_nvme_err_append_not_at_start(slba, zone->d.zslba); 341688eea45cSKlaus Jensen status = NVME_INVALID_FIELD; 341788eea45cSKlaus Jensen goto invalid; 341888eea45cSKlaus Jensen } 341988eea45cSKlaus Jensen 342088eea45cSKlaus Jensen if (n->params.zasl && 342188eea45cSKlaus Jensen data_size > (uint64_t)n->page_size << n->params.zasl) { 342288eea45cSKlaus Jensen trace_pci_nvme_err_zasl(data_size); 342388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 342488eea45cSKlaus Jensen } 342588eea45cSKlaus Jensen 342688eea45cSKlaus Jensen slba = zone->w_ptr; 342788eea45cSKlaus Jensen rw->slba = cpu_to_le64(slba); 342888eea45cSKlaus Jensen res->slba = cpu_to_le64(slba); 342988eea45cSKlaus Jensen 343088eea45cSKlaus Jensen switch (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 343188eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_1: 343288eea45cSKlaus Jensen if (!piremap) { 343388eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 343488eea45cSKlaus Jensen } 343588eea45cSKlaus Jensen 343688eea45cSKlaus Jensen /* fallthrough */ 343788eea45cSKlaus Jensen 343888eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_2: 343988eea45cSKlaus Jensen if (piremap) { 344088eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 344188eea45cSKlaus Jensen rw->reftag = cpu_to_le32(reftag + (slba - zone->d.zslba)); 344288eea45cSKlaus Jensen } 344388eea45cSKlaus Jensen 344488eea45cSKlaus Jensen break; 344588eea45cSKlaus Jensen 344688eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_3: 344788eea45cSKlaus Jensen if (piremap) { 344888eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 344988eea45cSKlaus Jensen } 345088eea45cSKlaus Jensen 345188eea45cSKlaus Jensen break; 345288eea45cSKlaus Jensen } 345388eea45cSKlaus Jensen } 345488eea45cSKlaus Jensen 345588eea45cSKlaus Jensen status = nvme_check_zone_write(ns, zone, slba, nlb); 345688eea45cSKlaus Jensen if (status) { 345788eea45cSKlaus Jensen goto invalid; 345888eea45cSKlaus Jensen } 345988eea45cSKlaus Jensen 3460cccc2651SNiklas Cassel status = nvme_zrm_auto(n, ns, zone); 346188eea45cSKlaus Jensen if (status) { 346288eea45cSKlaus Jensen goto invalid; 346388eea45cSKlaus Jensen } 346488eea45cSKlaus Jensen 3465e321b4cdSKlaus Jensen if (!(zone->d.za & NVME_ZA_ZRWA_VALID)) { 346688eea45cSKlaus Jensen zone->w_ptr += nlb; 346788eea45cSKlaus Jensen } 3468e321b4cdSKlaus Jensen } 346988eea45cSKlaus Jensen 347088eea45cSKlaus Jensen data_offset = nvme_l2b(ns, slba); 347188eea45cSKlaus Jensen 347288eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 347388eea45cSKlaus Jensen return nvme_dif_rw(n, req); 347488eea45cSKlaus Jensen } 347588eea45cSKlaus Jensen 347688eea45cSKlaus Jensen if (!wrz) { 347788eea45cSKlaus Jensen status = nvme_map_data(n, nlb, req); 347888eea45cSKlaus Jensen if (status) { 347988eea45cSKlaus Jensen goto invalid; 348088eea45cSKlaus Jensen } 348188eea45cSKlaus Jensen 348288eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_size, 348388eea45cSKlaus Jensen BLOCK_ACCT_WRITE); 348488eea45cSKlaus Jensen nvme_blk_write(blk, data_offset, nvme_rw_cb, req); 348588eea45cSKlaus Jensen } else { 348688eea45cSKlaus Jensen req->aiocb = blk_aio_pwrite_zeroes(blk, data_offset, data_size, 348788eea45cSKlaus Jensen BDRV_REQ_MAY_UNMAP, nvme_rw_cb, 348888eea45cSKlaus Jensen req); 348988eea45cSKlaus Jensen } 349088eea45cSKlaus Jensen 349188eea45cSKlaus Jensen return NVME_NO_COMPLETE; 349288eea45cSKlaus Jensen 349388eea45cSKlaus Jensen invalid: 349488eea45cSKlaus Jensen block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_WRITE); 349588eea45cSKlaus Jensen return status | NVME_DNR; 349688eea45cSKlaus Jensen } 349788eea45cSKlaus Jensen 349888eea45cSKlaus Jensen static inline uint16_t nvme_write(NvmeCtrl *n, NvmeRequest *req) 349988eea45cSKlaus Jensen { 350088eea45cSKlaus Jensen return nvme_do_write(n, req, false, false); 350188eea45cSKlaus Jensen } 350288eea45cSKlaus Jensen 350388eea45cSKlaus Jensen static inline uint16_t nvme_write_zeroes(NvmeCtrl *n, NvmeRequest *req) 350488eea45cSKlaus Jensen { 350588eea45cSKlaus Jensen return nvme_do_write(n, req, false, true); 350688eea45cSKlaus Jensen } 350788eea45cSKlaus Jensen 350888eea45cSKlaus Jensen static inline uint16_t nvme_zone_append(NvmeCtrl *n, NvmeRequest *req) 350988eea45cSKlaus Jensen { 351088eea45cSKlaus Jensen return nvme_do_write(n, req, true, false); 351188eea45cSKlaus Jensen } 351288eea45cSKlaus Jensen 351388eea45cSKlaus Jensen static uint16_t nvme_get_mgmt_zone_slba_idx(NvmeNamespace *ns, NvmeCmd *c, 351488eea45cSKlaus Jensen uint64_t *slba, uint32_t *zone_idx) 351588eea45cSKlaus Jensen { 351688eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(c->cdw10); 351788eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(c->cdw11); 351888eea45cSKlaus Jensen 351988eea45cSKlaus Jensen if (!ns->params.zoned) { 352088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_opc(c->opcode); 352188eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 352288eea45cSKlaus Jensen } 352388eea45cSKlaus Jensen 352488eea45cSKlaus Jensen *slba = ((uint64_t)dw11) << 32 | dw10; 352588eea45cSKlaus Jensen if (unlikely(*slba >= ns->id_ns.nsze)) { 352688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(*slba, 0, ns->id_ns.nsze); 352788eea45cSKlaus Jensen *slba = 0; 352888eea45cSKlaus Jensen return NVME_LBA_RANGE | NVME_DNR; 352988eea45cSKlaus Jensen } 353088eea45cSKlaus Jensen 353188eea45cSKlaus Jensen *zone_idx = nvme_zone_idx(ns, *slba); 353288eea45cSKlaus Jensen assert(*zone_idx < ns->num_zones); 353388eea45cSKlaus Jensen 353488eea45cSKlaus Jensen return NVME_SUCCESS; 353588eea45cSKlaus Jensen } 353688eea45cSKlaus Jensen 353788eea45cSKlaus Jensen typedef uint16_t (*op_handler_t)(NvmeNamespace *, NvmeZone *, NvmeZoneState, 353888eea45cSKlaus Jensen NvmeRequest *); 353988eea45cSKlaus Jensen 354088eea45cSKlaus Jensen enum NvmeZoneProcessingMask { 354188eea45cSKlaus Jensen NVME_PROC_CURRENT_ZONE = 0, 354288eea45cSKlaus Jensen NVME_PROC_OPENED_ZONES = 1 << 0, 354388eea45cSKlaus Jensen NVME_PROC_CLOSED_ZONES = 1 << 1, 354488eea45cSKlaus Jensen NVME_PROC_READ_ONLY_ZONES = 1 << 2, 354588eea45cSKlaus Jensen NVME_PROC_FULL_ZONES = 1 << 3, 354688eea45cSKlaus Jensen }; 354788eea45cSKlaus Jensen 354888eea45cSKlaus Jensen static uint16_t nvme_open_zone(NvmeNamespace *ns, NvmeZone *zone, 354988eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 355088eea45cSKlaus Jensen { 3551e321b4cdSKlaus Jensen NvmeZoneSendCmd *cmd = (NvmeZoneSendCmd *)&req->cmd; 3552e321b4cdSKlaus Jensen int flags = 0; 3553e321b4cdSKlaus Jensen 3554e321b4cdSKlaus Jensen if (cmd->zsflags & NVME_ZSFLAG_ZRWA_ALLOC) { 3555e321b4cdSKlaus Jensen uint16_t ozcs = le16_to_cpu(ns->id_ns_zoned->ozcs); 3556e321b4cdSKlaus Jensen 3557e321b4cdSKlaus Jensen if (!(ozcs & NVME_ID_NS_ZONED_OZCS_ZRWASUP)) { 3558e321b4cdSKlaus Jensen return NVME_INVALID_ZONE_OP | NVME_DNR; 3559e321b4cdSKlaus Jensen } 3560e321b4cdSKlaus Jensen 3561e321b4cdSKlaus Jensen if (zone->w_ptr % ns->zns.zrwafg) { 3562e321b4cdSKlaus Jensen return NVME_NOZRWA | NVME_DNR; 3563e321b4cdSKlaus Jensen } 3564e321b4cdSKlaus Jensen 3565e321b4cdSKlaus Jensen flags = NVME_ZRM_ZRWA; 3566e321b4cdSKlaus Jensen } 3567e321b4cdSKlaus Jensen 3568e321b4cdSKlaus Jensen return nvme_zrm_open_flags(nvme_ctrl(req), ns, zone, flags); 356988eea45cSKlaus Jensen } 357088eea45cSKlaus Jensen 357188eea45cSKlaus Jensen static uint16_t nvme_close_zone(NvmeNamespace *ns, NvmeZone *zone, 357288eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 357388eea45cSKlaus Jensen { 357488eea45cSKlaus Jensen return nvme_zrm_close(ns, zone); 357588eea45cSKlaus Jensen } 357688eea45cSKlaus Jensen 357788eea45cSKlaus Jensen static uint16_t nvme_finish_zone(NvmeNamespace *ns, NvmeZone *zone, 357888eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 357988eea45cSKlaus Jensen { 358088eea45cSKlaus Jensen return nvme_zrm_finish(ns, zone); 358188eea45cSKlaus Jensen } 358288eea45cSKlaus Jensen 358388eea45cSKlaus Jensen static uint16_t nvme_offline_zone(NvmeNamespace *ns, NvmeZone *zone, 358488eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 358588eea45cSKlaus Jensen { 358688eea45cSKlaus Jensen switch (state) { 358788eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 358888eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_OFFLINE); 358988eea45cSKlaus Jensen /* fall through */ 359088eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 359188eea45cSKlaus Jensen return NVME_SUCCESS; 359288eea45cSKlaus Jensen default: 359388eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 359488eea45cSKlaus Jensen } 359588eea45cSKlaus Jensen } 359688eea45cSKlaus Jensen 359788eea45cSKlaus Jensen static uint16_t nvme_set_zd_ext(NvmeNamespace *ns, NvmeZone *zone) 359888eea45cSKlaus Jensen { 359988eea45cSKlaus Jensen uint16_t status; 360088eea45cSKlaus Jensen uint8_t state = nvme_get_zone_state(zone); 360188eea45cSKlaus Jensen 360288eea45cSKlaus Jensen if (state == NVME_ZONE_STATE_EMPTY) { 360388eea45cSKlaus Jensen status = nvme_aor_check(ns, 1, 0); 360488eea45cSKlaus Jensen if (status) { 360588eea45cSKlaus Jensen return status; 360688eea45cSKlaus Jensen } 360788eea45cSKlaus Jensen nvme_aor_inc_active(ns); 360888eea45cSKlaus Jensen zone->d.za |= NVME_ZA_ZD_EXT_VALID; 360988eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_CLOSED); 361088eea45cSKlaus Jensen return NVME_SUCCESS; 361188eea45cSKlaus Jensen } 361288eea45cSKlaus Jensen 361388eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 361488eea45cSKlaus Jensen } 361588eea45cSKlaus Jensen 361688eea45cSKlaus Jensen static uint16_t nvme_bulk_proc_zone(NvmeNamespace *ns, NvmeZone *zone, 361788eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask, 361888eea45cSKlaus Jensen op_handler_t op_hndlr, NvmeRequest *req) 361988eea45cSKlaus Jensen { 362088eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 362188eea45cSKlaus Jensen NvmeZoneState zs = nvme_get_zone_state(zone); 362288eea45cSKlaus Jensen bool proc_zone; 362388eea45cSKlaus Jensen 362488eea45cSKlaus Jensen switch (zs) { 362588eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 362688eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 362788eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_OPENED_ZONES; 362888eea45cSKlaus Jensen break; 362988eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 363088eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_CLOSED_ZONES; 363188eea45cSKlaus Jensen break; 363288eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 363388eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_READ_ONLY_ZONES; 363488eea45cSKlaus Jensen break; 363588eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 363688eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_FULL_ZONES; 363788eea45cSKlaus Jensen break; 363888eea45cSKlaus Jensen default: 363988eea45cSKlaus Jensen proc_zone = false; 364088eea45cSKlaus Jensen } 364188eea45cSKlaus Jensen 364288eea45cSKlaus Jensen if (proc_zone) { 364388eea45cSKlaus Jensen status = op_hndlr(ns, zone, zs, req); 364488eea45cSKlaus Jensen } 364588eea45cSKlaus Jensen 364688eea45cSKlaus Jensen return status; 364788eea45cSKlaus Jensen } 364888eea45cSKlaus Jensen 364988eea45cSKlaus Jensen static uint16_t nvme_do_zone_op(NvmeNamespace *ns, NvmeZone *zone, 365088eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask, 365188eea45cSKlaus Jensen op_handler_t op_hndlr, NvmeRequest *req) 365288eea45cSKlaus Jensen { 365388eea45cSKlaus Jensen NvmeZone *next; 365488eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 365588eea45cSKlaus Jensen int i; 365688eea45cSKlaus Jensen 365788eea45cSKlaus Jensen if (!proc_mask) { 365888eea45cSKlaus Jensen status = op_hndlr(ns, zone, nvme_get_zone_state(zone), req); 365988eea45cSKlaus Jensen } else { 366088eea45cSKlaus Jensen if (proc_mask & NVME_PROC_CLOSED_ZONES) { 366188eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->closed_zones, entry, next) { 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 if (proc_mask & NVME_PROC_OPENED_ZONES) { 367088eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->imp_open_zones, entry, next) { 367188eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 367288eea45cSKlaus Jensen req); 367388eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 367488eea45cSKlaus Jensen goto out; 367588eea45cSKlaus Jensen } 367688eea45cSKlaus Jensen } 367788eea45cSKlaus Jensen 367888eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->exp_open_zones, entry, next) { 367988eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 368088eea45cSKlaus Jensen req); 368188eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 368288eea45cSKlaus Jensen goto out; 368388eea45cSKlaus Jensen } 368488eea45cSKlaus Jensen } 368588eea45cSKlaus Jensen } 368688eea45cSKlaus Jensen if (proc_mask & NVME_PROC_FULL_ZONES) { 368788eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->full_zones, entry, next) { 368888eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 368988eea45cSKlaus Jensen req); 369088eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 369188eea45cSKlaus Jensen goto out; 369288eea45cSKlaus Jensen } 369388eea45cSKlaus Jensen } 369488eea45cSKlaus Jensen } 369588eea45cSKlaus Jensen 369688eea45cSKlaus Jensen if (proc_mask & NVME_PROC_READ_ONLY_ZONES) { 369788eea45cSKlaus Jensen for (i = 0; i < ns->num_zones; i++, zone++) { 369888eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 369988eea45cSKlaus Jensen req); 370088eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 370188eea45cSKlaus Jensen goto out; 370288eea45cSKlaus Jensen } 370388eea45cSKlaus Jensen } 370488eea45cSKlaus Jensen } 370588eea45cSKlaus Jensen } 370688eea45cSKlaus Jensen 370788eea45cSKlaus Jensen out: 370888eea45cSKlaus Jensen return status; 370988eea45cSKlaus Jensen } 371088eea45cSKlaus Jensen 371163d96e4fSKlaus Jensen typedef struct NvmeZoneResetAIOCB { 371263d96e4fSKlaus Jensen BlockAIOCB common; 371363d96e4fSKlaus Jensen BlockAIOCB *aiocb; 371463d96e4fSKlaus Jensen NvmeRequest *req; 371563d96e4fSKlaus Jensen QEMUBH *bh; 371663d96e4fSKlaus Jensen int ret; 371763d96e4fSKlaus Jensen 371863d96e4fSKlaus Jensen bool all; 371963d96e4fSKlaus Jensen int idx; 372063d96e4fSKlaus Jensen NvmeZone *zone; 372163d96e4fSKlaus Jensen } NvmeZoneResetAIOCB; 372263d96e4fSKlaus Jensen 372363d96e4fSKlaus Jensen static void nvme_zone_reset_cancel(BlockAIOCB *aiocb) 372463d96e4fSKlaus Jensen { 372563d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = container_of(aiocb, NvmeZoneResetAIOCB, common); 372663d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 372763d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 372863d96e4fSKlaus Jensen 372963d96e4fSKlaus Jensen iocb->idx = ns->num_zones; 373063d96e4fSKlaus Jensen 373163d96e4fSKlaus Jensen iocb->ret = -ECANCELED; 373263d96e4fSKlaus Jensen 373363d96e4fSKlaus Jensen if (iocb->aiocb) { 373463d96e4fSKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 373563d96e4fSKlaus Jensen iocb->aiocb = NULL; 373663d96e4fSKlaus Jensen } 373763d96e4fSKlaus Jensen } 373863d96e4fSKlaus Jensen 373963d96e4fSKlaus Jensen static const AIOCBInfo nvme_zone_reset_aiocb_info = { 374063d96e4fSKlaus Jensen .aiocb_size = sizeof(NvmeZoneResetAIOCB), 374163d96e4fSKlaus Jensen .cancel_async = nvme_zone_reset_cancel, 374263d96e4fSKlaus Jensen }; 374363d96e4fSKlaus Jensen 374463d96e4fSKlaus Jensen static void nvme_zone_reset_bh(void *opaque) 374563d96e4fSKlaus Jensen { 374663d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 374763d96e4fSKlaus Jensen 374863d96e4fSKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 374963d96e4fSKlaus Jensen 375063d96e4fSKlaus Jensen qemu_bh_delete(iocb->bh); 375163d96e4fSKlaus Jensen iocb->bh = NULL; 375263d96e4fSKlaus Jensen qemu_aio_unref(iocb); 375363d96e4fSKlaus Jensen } 375463d96e4fSKlaus Jensen 375563d96e4fSKlaus Jensen static void nvme_zone_reset_cb(void *opaque, int ret); 375663d96e4fSKlaus Jensen 375763d96e4fSKlaus Jensen static void nvme_zone_reset_epilogue_cb(void *opaque, int ret) 375863d96e4fSKlaus Jensen { 375963d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 376063d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 376163d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 376263d96e4fSKlaus Jensen int64_t moff; 376363d96e4fSKlaus Jensen int count; 376463d96e4fSKlaus Jensen 376563d96e4fSKlaus Jensen if (ret < 0) { 376663d96e4fSKlaus Jensen nvme_zone_reset_cb(iocb, ret); 376763d96e4fSKlaus Jensen return; 376863d96e4fSKlaus Jensen } 376963d96e4fSKlaus Jensen 377063d96e4fSKlaus Jensen if (!ns->lbaf.ms) { 377163d96e4fSKlaus Jensen nvme_zone_reset_cb(iocb, 0); 377263d96e4fSKlaus Jensen return; 377363d96e4fSKlaus Jensen } 377463d96e4fSKlaus Jensen 377563d96e4fSKlaus Jensen moff = nvme_moff(ns, iocb->zone->d.zslba); 377663d96e4fSKlaus Jensen count = nvme_m2b(ns, ns->zone_size); 377763d96e4fSKlaus Jensen 377863d96e4fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, moff, count, 377963d96e4fSKlaus Jensen BDRV_REQ_MAY_UNMAP, 378063d96e4fSKlaus Jensen nvme_zone_reset_cb, iocb); 378163d96e4fSKlaus Jensen return; 378263d96e4fSKlaus Jensen } 378363d96e4fSKlaus Jensen 378463d96e4fSKlaus Jensen static void nvme_zone_reset_cb(void *opaque, int ret) 378563d96e4fSKlaus Jensen { 378663d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 378763d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 378863d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 378963d96e4fSKlaus Jensen 379063d96e4fSKlaus Jensen if (ret < 0) { 379163d96e4fSKlaus Jensen iocb->ret = ret; 379263d96e4fSKlaus Jensen goto done; 379363d96e4fSKlaus Jensen } 379463d96e4fSKlaus Jensen 379563d96e4fSKlaus Jensen if (iocb->zone) { 379663d96e4fSKlaus Jensen nvme_zrm_reset(ns, iocb->zone); 379763d96e4fSKlaus Jensen 379863d96e4fSKlaus Jensen if (!iocb->all) { 379963d96e4fSKlaus Jensen goto done; 380063d96e4fSKlaus Jensen } 380163d96e4fSKlaus Jensen } 380263d96e4fSKlaus Jensen 380363d96e4fSKlaus Jensen while (iocb->idx < ns->num_zones) { 380463d96e4fSKlaus Jensen NvmeZone *zone = &ns->zone_array[iocb->idx++]; 380563d96e4fSKlaus Jensen 380663d96e4fSKlaus Jensen switch (nvme_get_zone_state(zone)) { 380763d96e4fSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 380863d96e4fSKlaus Jensen if (!iocb->all) { 380963d96e4fSKlaus Jensen goto done; 381063d96e4fSKlaus Jensen } 381163d96e4fSKlaus Jensen 381263d96e4fSKlaus Jensen continue; 381363d96e4fSKlaus Jensen 381463d96e4fSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 381563d96e4fSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 381663d96e4fSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 381763d96e4fSKlaus Jensen case NVME_ZONE_STATE_FULL: 381863d96e4fSKlaus Jensen iocb->zone = zone; 381963d96e4fSKlaus Jensen break; 382063d96e4fSKlaus Jensen 382163d96e4fSKlaus Jensen default: 382263d96e4fSKlaus Jensen continue; 382363d96e4fSKlaus Jensen } 382463d96e4fSKlaus Jensen 382563d96e4fSKlaus Jensen trace_pci_nvme_zns_zone_reset(zone->d.zslba); 382663d96e4fSKlaus Jensen 382763d96e4fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, 382863d96e4fSKlaus Jensen nvme_l2b(ns, zone->d.zslba), 382963d96e4fSKlaus Jensen nvme_l2b(ns, ns->zone_size), 383063d96e4fSKlaus Jensen BDRV_REQ_MAY_UNMAP, 383163d96e4fSKlaus Jensen nvme_zone_reset_epilogue_cb, 383263d96e4fSKlaus Jensen iocb); 383363d96e4fSKlaus Jensen return; 383463d96e4fSKlaus Jensen } 383563d96e4fSKlaus Jensen 383663d96e4fSKlaus Jensen done: 383763d96e4fSKlaus Jensen iocb->aiocb = NULL; 383863d96e4fSKlaus Jensen if (iocb->bh) { 383963d96e4fSKlaus Jensen qemu_bh_schedule(iocb->bh); 384063d96e4fSKlaus Jensen } 384163d96e4fSKlaus Jensen } 384263d96e4fSKlaus Jensen 3843e321b4cdSKlaus Jensen static uint16_t nvme_zone_mgmt_send_zrwa_flush(NvmeCtrl *n, NvmeZone *zone, 3844e321b4cdSKlaus Jensen uint64_t elba, NvmeRequest *req) 3845e321b4cdSKlaus Jensen { 3846e321b4cdSKlaus Jensen NvmeNamespace *ns = req->ns; 3847e321b4cdSKlaus Jensen uint16_t ozcs = le16_to_cpu(ns->id_ns_zoned->ozcs); 3848e321b4cdSKlaus Jensen uint64_t wp = zone->d.wp; 3849e321b4cdSKlaus Jensen uint32_t nlb = elba - wp + 1; 3850e321b4cdSKlaus Jensen uint16_t status; 3851e321b4cdSKlaus Jensen 3852e321b4cdSKlaus Jensen 3853e321b4cdSKlaus Jensen if (!(ozcs & NVME_ID_NS_ZONED_OZCS_ZRWASUP)) { 3854e321b4cdSKlaus Jensen return NVME_INVALID_ZONE_OP | NVME_DNR; 3855e321b4cdSKlaus Jensen } 3856e321b4cdSKlaus Jensen 3857e321b4cdSKlaus Jensen if (!(zone->d.za & NVME_ZA_ZRWA_VALID)) { 3858e321b4cdSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 3859e321b4cdSKlaus Jensen } 3860e321b4cdSKlaus Jensen 3861e321b4cdSKlaus Jensen if (elba < wp || elba > wp + ns->zns.zrwas) { 3862e321b4cdSKlaus Jensen return NVME_ZONE_BOUNDARY_ERROR | NVME_DNR; 3863e321b4cdSKlaus Jensen } 3864e321b4cdSKlaus Jensen 3865e321b4cdSKlaus Jensen if (nlb % ns->zns.zrwafg) { 3866e321b4cdSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 3867e321b4cdSKlaus Jensen } 3868e321b4cdSKlaus Jensen 3869e321b4cdSKlaus Jensen status = nvme_zrm_auto(n, ns, zone); 3870e321b4cdSKlaus Jensen if (status) { 3871e321b4cdSKlaus Jensen return status; 3872e321b4cdSKlaus Jensen } 3873e321b4cdSKlaus Jensen 3874e321b4cdSKlaus Jensen zone->w_ptr += nlb; 3875e321b4cdSKlaus Jensen 3876e321b4cdSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlb); 3877e321b4cdSKlaus Jensen 3878e321b4cdSKlaus Jensen return NVME_SUCCESS; 3879e321b4cdSKlaus Jensen } 3880e321b4cdSKlaus Jensen 388188eea45cSKlaus Jensen static uint16_t nvme_zone_mgmt_send(NvmeCtrl *n, NvmeRequest *req) 388288eea45cSKlaus Jensen { 38836190d92fSKlaus Jensen NvmeZoneSendCmd *cmd = (NvmeZoneSendCmd *)&req->cmd; 388488eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 388588eea45cSKlaus Jensen NvmeZone *zone; 388663d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb; 388788eea45cSKlaus Jensen uint8_t *zd_ext; 388888eea45cSKlaus Jensen uint64_t slba = 0; 388988eea45cSKlaus Jensen uint32_t zone_idx = 0; 389088eea45cSKlaus Jensen uint16_t status; 38916190d92fSKlaus Jensen uint8_t action = cmd->zsa; 389288eea45cSKlaus Jensen bool all; 389388eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask = NVME_PROC_CURRENT_ZONE; 389488eea45cSKlaus Jensen 38956190d92fSKlaus Jensen all = cmd->zsflags & NVME_ZSFLAG_SELECT_ALL; 389688eea45cSKlaus Jensen 389788eea45cSKlaus Jensen req->status = NVME_SUCCESS; 389888eea45cSKlaus Jensen 389988eea45cSKlaus Jensen if (!all) { 39006190d92fSKlaus Jensen status = nvme_get_mgmt_zone_slba_idx(ns, &req->cmd, &slba, &zone_idx); 390188eea45cSKlaus Jensen if (status) { 390288eea45cSKlaus Jensen return status; 390388eea45cSKlaus Jensen } 390488eea45cSKlaus Jensen } 390588eea45cSKlaus Jensen 390688eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 3907e321b4cdSKlaus Jensen if (slba != zone->d.zslba && action != NVME_ZONE_ACTION_ZRWA_FLUSH) { 390888eea45cSKlaus Jensen trace_pci_nvme_err_unaligned_zone_cmd(action, slba, zone->d.zslba); 390988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 391088eea45cSKlaus Jensen } 391188eea45cSKlaus Jensen 391288eea45cSKlaus Jensen switch (action) { 391388eea45cSKlaus Jensen 391488eea45cSKlaus Jensen case NVME_ZONE_ACTION_OPEN: 391588eea45cSKlaus Jensen if (all) { 391688eea45cSKlaus Jensen proc_mask = NVME_PROC_CLOSED_ZONES; 391788eea45cSKlaus Jensen } 391888eea45cSKlaus Jensen trace_pci_nvme_open_zone(slba, zone_idx, all); 391988eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_open_zone, req); 392088eea45cSKlaus Jensen break; 392188eea45cSKlaus Jensen 392288eea45cSKlaus Jensen case NVME_ZONE_ACTION_CLOSE: 392388eea45cSKlaus Jensen if (all) { 392488eea45cSKlaus Jensen proc_mask = NVME_PROC_OPENED_ZONES; 392588eea45cSKlaus Jensen } 392688eea45cSKlaus Jensen trace_pci_nvme_close_zone(slba, zone_idx, all); 392788eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_close_zone, req); 392888eea45cSKlaus Jensen break; 392988eea45cSKlaus Jensen 393088eea45cSKlaus Jensen case NVME_ZONE_ACTION_FINISH: 393188eea45cSKlaus Jensen if (all) { 393288eea45cSKlaus Jensen proc_mask = NVME_PROC_OPENED_ZONES | NVME_PROC_CLOSED_ZONES; 393388eea45cSKlaus Jensen } 393488eea45cSKlaus Jensen trace_pci_nvme_finish_zone(slba, zone_idx, all); 393588eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_finish_zone, req); 393688eea45cSKlaus Jensen break; 393788eea45cSKlaus Jensen 393888eea45cSKlaus Jensen case NVME_ZONE_ACTION_RESET: 393988eea45cSKlaus Jensen trace_pci_nvme_reset_zone(slba, zone_idx, all); 394088eea45cSKlaus Jensen 394163d96e4fSKlaus Jensen iocb = blk_aio_get(&nvme_zone_reset_aiocb_info, ns->blkconf.blk, 394263d96e4fSKlaus Jensen nvme_misc_cb, req); 394388eea45cSKlaus Jensen 394463d96e4fSKlaus Jensen iocb->req = req; 394563d96e4fSKlaus Jensen iocb->bh = qemu_bh_new(nvme_zone_reset_bh, iocb); 394663d96e4fSKlaus Jensen iocb->ret = 0; 394763d96e4fSKlaus Jensen iocb->all = all; 394863d96e4fSKlaus Jensen iocb->idx = zone_idx; 394963d96e4fSKlaus Jensen iocb->zone = NULL; 395088eea45cSKlaus Jensen 395163d96e4fSKlaus Jensen req->aiocb = &iocb->common; 395263d96e4fSKlaus Jensen nvme_zone_reset_cb(iocb, 0); 395388eea45cSKlaus Jensen 395463d96e4fSKlaus Jensen return NVME_NO_COMPLETE; 395588eea45cSKlaus Jensen 395688eea45cSKlaus Jensen case NVME_ZONE_ACTION_OFFLINE: 395788eea45cSKlaus Jensen if (all) { 395888eea45cSKlaus Jensen proc_mask = NVME_PROC_READ_ONLY_ZONES; 395988eea45cSKlaus Jensen } 396088eea45cSKlaus Jensen trace_pci_nvme_offline_zone(slba, zone_idx, all); 396188eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_offline_zone, req); 396288eea45cSKlaus Jensen break; 396388eea45cSKlaus Jensen 396488eea45cSKlaus Jensen case NVME_ZONE_ACTION_SET_ZD_EXT: 396588eea45cSKlaus Jensen trace_pci_nvme_set_descriptor_extension(slba, zone_idx); 396688eea45cSKlaus Jensen if (all || !ns->params.zd_extension_size) { 396788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 396888eea45cSKlaus Jensen } 396988eea45cSKlaus Jensen zd_ext = nvme_get_zd_extension(ns, zone_idx); 397088eea45cSKlaus Jensen status = nvme_h2c(n, zd_ext, ns->params.zd_extension_size, req); 397188eea45cSKlaus Jensen if (status) { 397288eea45cSKlaus Jensen trace_pci_nvme_err_zd_extension_map_error(zone_idx); 397388eea45cSKlaus Jensen return status; 397488eea45cSKlaus Jensen } 397588eea45cSKlaus Jensen 397688eea45cSKlaus Jensen status = nvme_set_zd_ext(ns, zone); 397788eea45cSKlaus Jensen if (status == NVME_SUCCESS) { 397888eea45cSKlaus Jensen trace_pci_nvme_zd_extension_set(zone_idx); 397988eea45cSKlaus Jensen return status; 398088eea45cSKlaus Jensen } 398188eea45cSKlaus Jensen break; 398288eea45cSKlaus Jensen 3983e321b4cdSKlaus Jensen case NVME_ZONE_ACTION_ZRWA_FLUSH: 3984e321b4cdSKlaus Jensen if (all) { 3985e321b4cdSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 3986e321b4cdSKlaus Jensen } 3987e321b4cdSKlaus Jensen 3988e321b4cdSKlaus Jensen return nvme_zone_mgmt_send_zrwa_flush(n, zone, slba, req); 3989e321b4cdSKlaus Jensen 399088eea45cSKlaus Jensen default: 399188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_mgmt_action(action); 399288eea45cSKlaus Jensen status = NVME_INVALID_FIELD; 399388eea45cSKlaus Jensen } 399488eea45cSKlaus Jensen 399588eea45cSKlaus Jensen if (status == NVME_ZONE_INVAL_TRANSITION) { 399688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_zone_state_transition(action, slba, 399788eea45cSKlaus Jensen zone->d.za); 399888eea45cSKlaus Jensen } 399988eea45cSKlaus Jensen if (status) { 400088eea45cSKlaus Jensen status |= NVME_DNR; 400188eea45cSKlaus Jensen } 400288eea45cSKlaus Jensen 400388eea45cSKlaus Jensen return status; 400488eea45cSKlaus Jensen } 400588eea45cSKlaus Jensen 400688eea45cSKlaus Jensen static bool nvme_zone_matches_filter(uint32_t zafs, NvmeZone *zl) 400788eea45cSKlaus Jensen { 400888eea45cSKlaus Jensen NvmeZoneState zs = nvme_get_zone_state(zl); 400988eea45cSKlaus Jensen 401088eea45cSKlaus Jensen switch (zafs) { 401188eea45cSKlaus Jensen case NVME_ZONE_REPORT_ALL: 401288eea45cSKlaus Jensen return true; 401388eea45cSKlaus Jensen case NVME_ZONE_REPORT_EMPTY: 401488eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_EMPTY; 401588eea45cSKlaus Jensen case NVME_ZONE_REPORT_IMPLICITLY_OPEN: 401688eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_IMPLICITLY_OPEN; 401788eea45cSKlaus Jensen case NVME_ZONE_REPORT_EXPLICITLY_OPEN: 401888eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_EXPLICITLY_OPEN; 401988eea45cSKlaus Jensen case NVME_ZONE_REPORT_CLOSED: 402088eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_CLOSED; 402188eea45cSKlaus Jensen case NVME_ZONE_REPORT_FULL: 402288eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_FULL; 402388eea45cSKlaus Jensen case NVME_ZONE_REPORT_READ_ONLY: 402488eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_READ_ONLY; 402588eea45cSKlaus Jensen case NVME_ZONE_REPORT_OFFLINE: 402688eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_OFFLINE; 402788eea45cSKlaus Jensen default: 402888eea45cSKlaus Jensen return false; 402988eea45cSKlaus Jensen } 403088eea45cSKlaus Jensen } 403188eea45cSKlaus Jensen 403288eea45cSKlaus Jensen static uint16_t nvme_zone_mgmt_recv(NvmeCtrl *n, NvmeRequest *req) 403388eea45cSKlaus Jensen { 403488eea45cSKlaus Jensen NvmeCmd *cmd = (NvmeCmd *)&req->cmd; 403588eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 403688eea45cSKlaus Jensen /* cdw12 is zero-based number of dwords to return. Convert to bytes */ 403788eea45cSKlaus Jensen uint32_t data_size = (le32_to_cpu(cmd->cdw12) + 1) << 2; 403888eea45cSKlaus Jensen uint32_t dw13 = le32_to_cpu(cmd->cdw13); 403988eea45cSKlaus Jensen uint32_t zone_idx, zra, zrasf, partial; 404088eea45cSKlaus Jensen uint64_t max_zones, nr_zones = 0; 404188eea45cSKlaus Jensen uint16_t status; 404288eea45cSKlaus Jensen uint64_t slba; 404388eea45cSKlaus Jensen NvmeZoneDescr *z; 404488eea45cSKlaus Jensen NvmeZone *zone; 404588eea45cSKlaus Jensen NvmeZoneReportHeader *header; 404688eea45cSKlaus Jensen void *buf, *buf_p; 404788eea45cSKlaus Jensen size_t zone_entry_sz; 404888eea45cSKlaus Jensen int i; 404988eea45cSKlaus Jensen 405088eea45cSKlaus Jensen req->status = NVME_SUCCESS; 405188eea45cSKlaus Jensen 405288eea45cSKlaus Jensen status = nvme_get_mgmt_zone_slba_idx(ns, cmd, &slba, &zone_idx); 405388eea45cSKlaus Jensen if (status) { 405488eea45cSKlaus Jensen return status; 405588eea45cSKlaus Jensen } 405688eea45cSKlaus Jensen 405788eea45cSKlaus Jensen zra = dw13 & 0xff; 405888eea45cSKlaus Jensen if (zra != NVME_ZONE_REPORT && zra != NVME_ZONE_REPORT_EXTENDED) { 405988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 406088eea45cSKlaus Jensen } 406188eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED && !ns->params.zd_extension_size) { 406288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 406388eea45cSKlaus Jensen } 406488eea45cSKlaus Jensen 406588eea45cSKlaus Jensen zrasf = (dw13 >> 8) & 0xff; 406688eea45cSKlaus Jensen if (zrasf > NVME_ZONE_REPORT_OFFLINE) { 406788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 406888eea45cSKlaus Jensen } 406988eea45cSKlaus Jensen 407088eea45cSKlaus Jensen if (data_size < sizeof(NvmeZoneReportHeader)) { 407188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 407288eea45cSKlaus Jensen } 407388eea45cSKlaus Jensen 407488eea45cSKlaus Jensen status = nvme_check_mdts(n, data_size); 407588eea45cSKlaus Jensen if (status) { 407688eea45cSKlaus Jensen return status; 407788eea45cSKlaus Jensen } 407888eea45cSKlaus Jensen 407988eea45cSKlaus Jensen partial = (dw13 >> 16) & 0x01; 408088eea45cSKlaus Jensen 408188eea45cSKlaus Jensen zone_entry_sz = sizeof(NvmeZoneDescr); 408288eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED) { 408388eea45cSKlaus Jensen zone_entry_sz += ns->params.zd_extension_size; 408488eea45cSKlaus Jensen } 408588eea45cSKlaus Jensen 408688eea45cSKlaus Jensen max_zones = (data_size - sizeof(NvmeZoneReportHeader)) / zone_entry_sz; 408788eea45cSKlaus Jensen buf = g_malloc0(data_size); 408888eea45cSKlaus Jensen 408988eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 409088eea45cSKlaus Jensen for (i = zone_idx; i < ns->num_zones; i++) { 409188eea45cSKlaus Jensen if (partial && nr_zones >= max_zones) { 409288eea45cSKlaus Jensen break; 409388eea45cSKlaus Jensen } 409488eea45cSKlaus Jensen if (nvme_zone_matches_filter(zrasf, zone++)) { 409588eea45cSKlaus Jensen nr_zones++; 409688eea45cSKlaus Jensen } 409788eea45cSKlaus Jensen } 409888eea45cSKlaus Jensen header = (NvmeZoneReportHeader *)buf; 409988eea45cSKlaus Jensen header->nr_zones = cpu_to_le64(nr_zones); 410088eea45cSKlaus Jensen 410188eea45cSKlaus Jensen buf_p = buf + sizeof(NvmeZoneReportHeader); 410288eea45cSKlaus Jensen for (; zone_idx < ns->num_zones && max_zones > 0; zone_idx++) { 410388eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 410488eea45cSKlaus Jensen if (nvme_zone_matches_filter(zrasf, zone)) { 410588eea45cSKlaus Jensen z = (NvmeZoneDescr *)buf_p; 410688eea45cSKlaus Jensen buf_p += sizeof(NvmeZoneDescr); 410788eea45cSKlaus Jensen 410888eea45cSKlaus Jensen z->zt = zone->d.zt; 410988eea45cSKlaus Jensen z->zs = zone->d.zs; 411088eea45cSKlaus Jensen z->zcap = cpu_to_le64(zone->d.zcap); 411188eea45cSKlaus Jensen z->zslba = cpu_to_le64(zone->d.zslba); 411288eea45cSKlaus Jensen z->za = zone->d.za; 411388eea45cSKlaus Jensen 411488eea45cSKlaus Jensen if (nvme_wp_is_valid(zone)) { 411588eea45cSKlaus Jensen z->wp = cpu_to_le64(zone->d.wp); 411688eea45cSKlaus Jensen } else { 411788eea45cSKlaus Jensen z->wp = cpu_to_le64(~0ULL); 411888eea45cSKlaus Jensen } 411988eea45cSKlaus Jensen 412088eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED) { 412188eea45cSKlaus Jensen if (zone->d.za & NVME_ZA_ZD_EXT_VALID) { 412288eea45cSKlaus Jensen memcpy(buf_p, nvme_get_zd_extension(ns, zone_idx), 412388eea45cSKlaus Jensen ns->params.zd_extension_size); 412488eea45cSKlaus Jensen } 412588eea45cSKlaus Jensen buf_p += ns->params.zd_extension_size; 412688eea45cSKlaus Jensen } 412788eea45cSKlaus Jensen 412888eea45cSKlaus Jensen max_zones--; 412988eea45cSKlaus Jensen } 413088eea45cSKlaus Jensen } 413188eea45cSKlaus Jensen 413288eea45cSKlaus Jensen status = nvme_c2h(n, (uint8_t *)buf, data_size, req); 413388eea45cSKlaus Jensen 413488eea45cSKlaus Jensen g_free(buf); 413588eea45cSKlaus Jensen 413688eea45cSKlaus Jensen return status; 413788eea45cSKlaus Jensen } 413888eea45cSKlaus Jensen 413988eea45cSKlaus Jensen static uint16_t nvme_io_cmd(NvmeCtrl *n, NvmeRequest *req) 414088eea45cSKlaus Jensen { 414188eea45cSKlaus Jensen NvmeNamespace *ns; 414288eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 414388eea45cSKlaus Jensen 414488eea45cSKlaus Jensen trace_pci_nvme_io_cmd(nvme_cid(req), nsid, nvme_sqid(req), 414588eea45cSKlaus Jensen req->cmd.opcode, nvme_io_opc_str(req->cmd.opcode)); 414688eea45cSKlaus Jensen 414788eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 414888eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 414988eea45cSKlaus Jensen } 415088eea45cSKlaus Jensen 415188eea45cSKlaus Jensen /* 415288eea45cSKlaus Jensen * In the base NVM command set, Flush may apply to all namespaces 415388eea45cSKlaus Jensen * (indicated by NSID being set to FFFFFFFFh). But if that feature is used 415488eea45cSKlaus Jensen * along with TP 4056 (Namespace Types), it may be pretty screwed up. 415588eea45cSKlaus Jensen * 415688eea45cSKlaus Jensen * If NSID is indeed set to FFFFFFFFh, we simply cannot associate the 415788eea45cSKlaus Jensen * opcode with a specific command since we cannot determine a unique I/O 415888eea45cSKlaus Jensen * command set. Opcode 0h could have any other meaning than something 415988eea45cSKlaus Jensen * equivalent to flushing and say it DOES have completely different 416088eea45cSKlaus Jensen * semantics in some other command set - does an NSID of FFFFFFFFh then 416188eea45cSKlaus Jensen * mean "for all namespaces, apply whatever command set specific command 416288eea45cSKlaus Jensen * that uses the 0h opcode?" Or does it mean "for all namespaces, apply 416388eea45cSKlaus Jensen * whatever command that uses the 0h opcode if, and only if, it allows NSID 416488eea45cSKlaus Jensen * to be FFFFFFFFh"? 416588eea45cSKlaus Jensen * 416688eea45cSKlaus Jensen * Anyway (and luckily), for now, we do not care about this since the 416788eea45cSKlaus Jensen * device only supports namespace types that includes the NVM Flush command 416888eea45cSKlaus Jensen * (NVM and Zoned), so always do an NVM Flush. 416988eea45cSKlaus Jensen */ 417088eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_FLUSH) { 417188eea45cSKlaus Jensen return nvme_flush(n, req); 417288eea45cSKlaus Jensen } 417388eea45cSKlaus Jensen 417488eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 417588eea45cSKlaus Jensen if (unlikely(!ns)) { 417688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 417788eea45cSKlaus Jensen } 417888eea45cSKlaus Jensen 417988eea45cSKlaus Jensen if (!(ns->iocs[req->cmd.opcode] & NVME_CMD_EFF_CSUPP)) { 418088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_opc(req->cmd.opcode); 418188eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 418288eea45cSKlaus Jensen } 418388eea45cSKlaus Jensen 418488eea45cSKlaus Jensen if (ns->status) { 418588eea45cSKlaus Jensen return ns->status; 418688eea45cSKlaus Jensen } 418788eea45cSKlaus Jensen 4188c53a9a91SPankaj Raghav if (NVME_CMD_FLAGS_FUSE(req->cmd.flags)) { 4189c53a9a91SPankaj Raghav return NVME_INVALID_FIELD; 4190c53a9a91SPankaj Raghav } 4191c53a9a91SPankaj Raghav 419288eea45cSKlaus Jensen req->ns = ns; 419388eea45cSKlaus Jensen 419488eea45cSKlaus Jensen switch (req->cmd.opcode) { 419588eea45cSKlaus Jensen case NVME_CMD_WRITE_ZEROES: 419688eea45cSKlaus Jensen return nvme_write_zeroes(n, req); 419788eea45cSKlaus Jensen case NVME_CMD_ZONE_APPEND: 419888eea45cSKlaus Jensen return nvme_zone_append(n, req); 419988eea45cSKlaus Jensen case NVME_CMD_WRITE: 420088eea45cSKlaus Jensen return nvme_write(n, req); 420188eea45cSKlaus Jensen case NVME_CMD_READ: 420288eea45cSKlaus Jensen return nvme_read(n, req); 420388eea45cSKlaus Jensen case NVME_CMD_COMPARE: 420488eea45cSKlaus Jensen return nvme_compare(n, req); 420588eea45cSKlaus Jensen case NVME_CMD_DSM: 420688eea45cSKlaus Jensen return nvme_dsm(n, req); 420788eea45cSKlaus Jensen case NVME_CMD_VERIFY: 420888eea45cSKlaus Jensen return nvme_verify(n, req); 420988eea45cSKlaus Jensen case NVME_CMD_COPY: 421088eea45cSKlaus Jensen return nvme_copy(n, req); 421188eea45cSKlaus Jensen case NVME_CMD_ZONE_MGMT_SEND: 421288eea45cSKlaus Jensen return nvme_zone_mgmt_send(n, req); 421388eea45cSKlaus Jensen case NVME_CMD_ZONE_MGMT_RECV: 421488eea45cSKlaus Jensen return nvme_zone_mgmt_recv(n, req); 421588eea45cSKlaus Jensen default: 421688eea45cSKlaus Jensen assert(false); 421788eea45cSKlaus Jensen } 421888eea45cSKlaus Jensen 421988eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 422088eea45cSKlaus Jensen } 422188eea45cSKlaus Jensen 42222e53b0b4SJinhao Fan static void nvme_cq_notifier(EventNotifier *e) 42232e53b0b4SJinhao Fan { 42242e53b0b4SJinhao Fan NvmeCQueue *cq = container_of(e, NvmeCQueue, notifier); 42252e53b0b4SJinhao Fan NvmeCtrl *n = cq->ctrl; 42262e53b0b4SJinhao Fan 4227a2da7377SKlaus Jensen if (!event_notifier_test_and_clear(e)) { 4228a2da7377SKlaus Jensen return; 4229a2da7377SKlaus Jensen } 42302e53b0b4SJinhao Fan 42312e53b0b4SJinhao Fan nvme_update_cq_head(cq); 42322e53b0b4SJinhao Fan 42332e53b0b4SJinhao Fan if (cq->tail == cq->head) { 42342e53b0b4SJinhao Fan if (cq->irq_enabled) { 42352e53b0b4SJinhao Fan n->cq_pending--; 42362e53b0b4SJinhao Fan } 42372e53b0b4SJinhao Fan 42382e53b0b4SJinhao Fan nvme_irq_deassert(n, cq); 42392e53b0b4SJinhao Fan } 42402e53b0b4SJinhao Fan 4241d38cc6fdSKlaus Jensen qemu_bh_schedule(cq->bh); 42422e53b0b4SJinhao Fan } 42432e53b0b4SJinhao Fan 42442e53b0b4SJinhao Fan static int nvme_init_cq_ioeventfd(NvmeCQueue *cq) 42452e53b0b4SJinhao Fan { 42462e53b0b4SJinhao Fan NvmeCtrl *n = cq->ctrl; 42472e53b0b4SJinhao Fan uint16_t offset = (cq->cqid << 3) + (1 << 2); 42482e53b0b4SJinhao Fan int ret; 42492e53b0b4SJinhao Fan 42502e53b0b4SJinhao Fan ret = event_notifier_init(&cq->notifier, 0); 42512e53b0b4SJinhao Fan if (ret < 0) { 42522e53b0b4SJinhao Fan return ret; 42532e53b0b4SJinhao Fan } 42542e53b0b4SJinhao Fan 42552e53b0b4SJinhao Fan event_notifier_set_handler(&cq->notifier, nvme_cq_notifier); 42562e53b0b4SJinhao Fan memory_region_add_eventfd(&n->iomem, 42572e53b0b4SJinhao Fan 0x1000 + offset, 4, false, 0, &cq->notifier); 42582e53b0b4SJinhao Fan 42592e53b0b4SJinhao Fan return 0; 42602e53b0b4SJinhao Fan } 42612e53b0b4SJinhao Fan 42622e53b0b4SJinhao Fan static void nvme_sq_notifier(EventNotifier *e) 42632e53b0b4SJinhao Fan { 42642e53b0b4SJinhao Fan NvmeSQueue *sq = container_of(e, NvmeSQueue, notifier); 42652e53b0b4SJinhao Fan 4266a2da7377SKlaus Jensen if (!event_notifier_test_and_clear(e)) { 4267a2da7377SKlaus Jensen return; 4268a2da7377SKlaus Jensen } 42692e53b0b4SJinhao Fan 42702e53b0b4SJinhao Fan nvme_process_sq(sq); 42712e53b0b4SJinhao Fan } 42722e53b0b4SJinhao Fan 42732e53b0b4SJinhao Fan static int nvme_init_sq_ioeventfd(NvmeSQueue *sq) 42742e53b0b4SJinhao Fan { 42752e53b0b4SJinhao Fan NvmeCtrl *n = sq->ctrl; 42762e53b0b4SJinhao Fan uint16_t offset = sq->sqid << 3; 42772e53b0b4SJinhao Fan int ret; 42782e53b0b4SJinhao Fan 42792e53b0b4SJinhao Fan ret = event_notifier_init(&sq->notifier, 0); 42802e53b0b4SJinhao Fan if (ret < 0) { 42812e53b0b4SJinhao Fan return ret; 42822e53b0b4SJinhao Fan } 42832e53b0b4SJinhao Fan 42842e53b0b4SJinhao Fan event_notifier_set_handler(&sq->notifier, nvme_sq_notifier); 42852e53b0b4SJinhao Fan memory_region_add_eventfd(&n->iomem, 42862e53b0b4SJinhao Fan 0x1000 + offset, 4, false, 0, &sq->notifier); 42872e53b0b4SJinhao Fan 42882e53b0b4SJinhao Fan return 0; 42892e53b0b4SJinhao Fan } 42902e53b0b4SJinhao Fan 429188eea45cSKlaus Jensen static void nvme_free_sq(NvmeSQueue *sq, NvmeCtrl *n) 429288eea45cSKlaus Jensen { 42932e53b0b4SJinhao Fan uint16_t offset = sq->sqid << 3; 42942e53b0b4SJinhao Fan 429588eea45cSKlaus Jensen n->sq[sq->sqid] = NULL; 4296d38cc6fdSKlaus Jensen qemu_bh_delete(sq->bh); 42972e53b0b4SJinhao Fan if (sq->ioeventfd_enabled) { 42982e53b0b4SJinhao Fan memory_region_del_eventfd(&n->iomem, 42992e53b0b4SJinhao Fan 0x1000 + offset, 4, false, 0, &sq->notifier); 430004e8da88SKlaus Jensen event_notifier_set_handler(&sq->notifier, NULL); 43012e53b0b4SJinhao Fan event_notifier_cleanup(&sq->notifier); 43022e53b0b4SJinhao Fan } 430388eea45cSKlaus Jensen g_free(sq->io_req); 430488eea45cSKlaus Jensen if (sq->sqid) { 430588eea45cSKlaus Jensen g_free(sq); 430688eea45cSKlaus Jensen } 430788eea45cSKlaus Jensen } 430888eea45cSKlaus Jensen 430988eea45cSKlaus Jensen static uint16_t nvme_del_sq(NvmeCtrl *n, NvmeRequest *req) 431088eea45cSKlaus Jensen { 431188eea45cSKlaus Jensen NvmeDeleteQ *c = (NvmeDeleteQ *)&req->cmd; 431288eea45cSKlaus Jensen NvmeRequest *r, *next; 431388eea45cSKlaus Jensen NvmeSQueue *sq; 431488eea45cSKlaus Jensen NvmeCQueue *cq; 431588eea45cSKlaus Jensen uint16_t qid = le16_to_cpu(c->qid); 431688eea45cSKlaus Jensen 431788eea45cSKlaus Jensen if (unlikely(!qid || nvme_check_sqid(n, qid))) { 431888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_sq(qid); 431988eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 432088eea45cSKlaus Jensen } 432188eea45cSKlaus Jensen 432288eea45cSKlaus Jensen trace_pci_nvme_del_sq(qid); 432388eea45cSKlaus Jensen 432488eea45cSKlaus Jensen sq = n->sq[qid]; 432588eea45cSKlaus Jensen while (!QTAILQ_EMPTY(&sq->out_req_list)) { 432688eea45cSKlaus Jensen r = QTAILQ_FIRST(&sq->out_req_list); 4327e76fb260SKlaus Jensen assert(r->aiocb); 432888eea45cSKlaus Jensen blk_aio_cancel(r->aiocb); 432988eea45cSKlaus Jensen } 433088eea45cSKlaus Jensen 433188eea45cSKlaus Jensen assert(QTAILQ_EMPTY(&sq->out_req_list)); 433288eea45cSKlaus Jensen 433388eea45cSKlaus Jensen if (!nvme_check_cqid(n, sq->cqid)) { 433488eea45cSKlaus Jensen cq = n->cq[sq->cqid]; 433588eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->sq_list, sq, entry); 433688eea45cSKlaus Jensen 433788eea45cSKlaus Jensen nvme_post_cqes(cq); 433888eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(r, &cq->req_list, entry, next) { 433988eea45cSKlaus Jensen if (r->sq == sq) { 434088eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->req_list, r, entry); 434188eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->req_list, r, entry); 434288eea45cSKlaus Jensen } 434388eea45cSKlaus Jensen } 434488eea45cSKlaus Jensen } 434588eea45cSKlaus Jensen 434688eea45cSKlaus Jensen nvme_free_sq(sq, n); 434788eea45cSKlaus Jensen return NVME_SUCCESS; 434888eea45cSKlaus Jensen } 434988eea45cSKlaus Jensen 435088eea45cSKlaus Jensen static void nvme_init_sq(NvmeSQueue *sq, NvmeCtrl *n, uint64_t dma_addr, 435188eea45cSKlaus Jensen uint16_t sqid, uint16_t cqid, uint16_t size) 435288eea45cSKlaus Jensen { 435388eea45cSKlaus Jensen int i; 435488eea45cSKlaus Jensen NvmeCQueue *cq; 435588eea45cSKlaus Jensen 435688eea45cSKlaus Jensen sq->ctrl = n; 435788eea45cSKlaus Jensen sq->dma_addr = dma_addr; 435888eea45cSKlaus Jensen sq->sqid = sqid; 435988eea45cSKlaus Jensen sq->size = size; 436088eea45cSKlaus Jensen sq->cqid = cqid; 436188eea45cSKlaus Jensen sq->head = sq->tail = 0; 436288eea45cSKlaus Jensen sq->io_req = g_new0(NvmeRequest, sq->size); 436388eea45cSKlaus Jensen 436488eea45cSKlaus Jensen QTAILQ_INIT(&sq->req_list); 436588eea45cSKlaus Jensen QTAILQ_INIT(&sq->out_req_list); 436688eea45cSKlaus Jensen for (i = 0; i < sq->size; i++) { 436788eea45cSKlaus Jensen sq->io_req[i].sq = sq; 436888eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&(sq->req_list), &sq->io_req[i], entry); 436988eea45cSKlaus Jensen } 4370d38cc6fdSKlaus Jensen 4371d38cc6fdSKlaus Jensen sq->bh = qemu_bh_new(nvme_process_sq, sq); 437288eea45cSKlaus Jensen 43733f7fe8deSJinhao Fan if (n->dbbuf_enabled) { 43743f7fe8deSJinhao Fan sq->db_addr = n->dbbuf_dbs + (sqid << 3); 43753f7fe8deSJinhao Fan sq->ei_addr = n->dbbuf_eis + (sqid << 3); 43762e53b0b4SJinhao Fan 43772e53b0b4SJinhao Fan if (n->params.ioeventfd && sq->sqid != 0) { 43782e53b0b4SJinhao Fan if (!nvme_init_sq_ioeventfd(sq)) { 43792e53b0b4SJinhao Fan sq->ioeventfd_enabled = true; 43802e53b0b4SJinhao Fan } 43812e53b0b4SJinhao Fan } 43823f7fe8deSJinhao Fan } 43833f7fe8deSJinhao Fan 438488eea45cSKlaus Jensen assert(n->cq[cqid]); 438588eea45cSKlaus Jensen cq = n->cq[cqid]; 438688eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&(cq->sq_list), sq, entry); 438788eea45cSKlaus Jensen n->sq[sqid] = sq; 438888eea45cSKlaus Jensen } 438988eea45cSKlaus Jensen 439088eea45cSKlaus Jensen static uint16_t nvme_create_sq(NvmeCtrl *n, NvmeRequest *req) 439188eea45cSKlaus Jensen { 439288eea45cSKlaus Jensen NvmeSQueue *sq; 439388eea45cSKlaus Jensen NvmeCreateSq *c = (NvmeCreateSq *)&req->cmd; 439488eea45cSKlaus Jensen 439588eea45cSKlaus Jensen uint16_t cqid = le16_to_cpu(c->cqid); 439688eea45cSKlaus Jensen uint16_t sqid = le16_to_cpu(c->sqid); 439788eea45cSKlaus Jensen uint16_t qsize = le16_to_cpu(c->qsize); 439888eea45cSKlaus Jensen uint16_t qflags = le16_to_cpu(c->sq_flags); 439988eea45cSKlaus Jensen uint64_t prp1 = le64_to_cpu(c->prp1); 440088eea45cSKlaus Jensen 440188eea45cSKlaus Jensen trace_pci_nvme_create_sq(prp1, sqid, cqid, qsize, qflags); 440288eea45cSKlaus Jensen 440388eea45cSKlaus Jensen if (unlikely(!cqid || nvme_check_cqid(n, cqid))) { 440488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_cqid(cqid); 440588eea45cSKlaus Jensen return NVME_INVALID_CQID | NVME_DNR; 440688eea45cSKlaus Jensen } 4407decc0261SŁukasz Gieryk if (unlikely(!sqid || sqid > n->conf_ioqpairs || n->sq[sqid] != NULL)) { 440888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_sqid(sqid); 440988eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 441088eea45cSKlaus Jensen } 441149e03457SKlaus Jensen if (unlikely(!qsize || qsize > NVME_CAP_MQES(ldq_le_p(&n->bar.cap)))) { 441288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_size(qsize); 441388eea45cSKlaus Jensen return NVME_MAX_QSIZE_EXCEEDED | NVME_DNR; 441488eea45cSKlaus Jensen } 441588eea45cSKlaus Jensen if (unlikely(prp1 & (n->page_size - 1))) { 441688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_addr(prp1); 441788eea45cSKlaus Jensen return NVME_INVALID_PRP_OFFSET | NVME_DNR; 441888eea45cSKlaus Jensen } 441988eea45cSKlaus Jensen if (unlikely(!(NVME_SQ_FLAGS_PC(qflags)))) { 442088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_qflags(NVME_SQ_FLAGS_PC(qflags)); 442188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 442288eea45cSKlaus Jensen } 442388eea45cSKlaus Jensen sq = g_malloc0(sizeof(*sq)); 442488eea45cSKlaus Jensen nvme_init_sq(sq, n, prp1, sqid, cqid, qsize + 1); 442588eea45cSKlaus Jensen return NVME_SUCCESS; 442688eea45cSKlaus Jensen } 442788eea45cSKlaus Jensen 442888eea45cSKlaus Jensen struct nvme_stats { 442988eea45cSKlaus Jensen uint64_t units_read; 443088eea45cSKlaus Jensen uint64_t units_written; 443188eea45cSKlaus Jensen uint64_t read_commands; 443288eea45cSKlaus Jensen uint64_t write_commands; 443388eea45cSKlaus Jensen }; 443488eea45cSKlaus Jensen 443588eea45cSKlaus Jensen static void nvme_set_blk_stats(NvmeNamespace *ns, struct nvme_stats *stats) 443688eea45cSKlaus Jensen { 443788eea45cSKlaus Jensen BlockAcctStats *s = blk_get_stats(ns->blkconf.blk); 443888eea45cSKlaus Jensen 443988eea45cSKlaus Jensen stats->units_read += s->nr_bytes[BLOCK_ACCT_READ] >> BDRV_SECTOR_BITS; 444088eea45cSKlaus Jensen stats->units_written += s->nr_bytes[BLOCK_ACCT_WRITE] >> BDRV_SECTOR_BITS; 444188eea45cSKlaus Jensen stats->read_commands += s->nr_ops[BLOCK_ACCT_READ]; 444288eea45cSKlaus Jensen stats->write_commands += s->nr_ops[BLOCK_ACCT_WRITE]; 444388eea45cSKlaus Jensen } 444488eea45cSKlaus Jensen 444588eea45cSKlaus Jensen static uint16_t nvme_smart_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 444688eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 444788eea45cSKlaus Jensen { 444888eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 444988eea45cSKlaus Jensen struct nvme_stats stats = { 0 }; 445088eea45cSKlaus Jensen NvmeSmartLog smart = { 0 }; 445188eea45cSKlaus Jensen uint32_t trans_len; 445288eea45cSKlaus Jensen NvmeNamespace *ns; 445388eea45cSKlaus Jensen time_t current_ms; 445488eea45cSKlaus Jensen 445588eea45cSKlaus Jensen if (off >= sizeof(smart)) { 445688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 445788eea45cSKlaus Jensen } 445888eea45cSKlaus Jensen 445988eea45cSKlaus Jensen if (nsid != 0xffffffff) { 446088eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 446188eea45cSKlaus Jensen if (!ns) { 446288eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 446388eea45cSKlaus Jensen } 446488eea45cSKlaus Jensen nvme_set_blk_stats(ns, &stats); 446588eea45cSKlaus Jensen } else { 446688eea45cSKlaus Jensen int i; 446788eea45cSKlaus Jensen 446888eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 446988eea45cSKlaus Jensen ns = nvme_ns(n, i); 447088eea45cSKlaus Jensen if (!ns) { 447188eea45cSKlaus Jensen continue; 447288eea45cSKlaus Jensen } 447388eea45cSKlaus Jensen nvme_set_blk_stats(ns, &stats); 447488eea45cSKlaus Jensen } 447588eea45cSKlaus Jensen } 447688eea45cSKlaus Jensen 447788eea45cSKlaus Jensen trans_len = MIN(sizeof(smart) - off, buf_len); 447888eea45cSKlaus Jensen smart.critical_warning = n->smart_critical_warning; 447988eea45cSKlaus Jensen 448088eea45cSKlaus Jensen smart.data_units_read[0] = cpu_to_le64(DIV_ROUND_UP(stats.units_read, 448188eea45cSKlaus Jensen 1000)); 448288eea45cSKlaus Jensen smart.data_units_written[0] = cpu_to_le64(DIV_ROUND_UP(stats.units_written, 448388eea45cSKlaus Jensen 1000)); 448488eea45cSKlaus Jensen smart.host_read_commands[0] = cpu_to_le64(stats.read_commands); 448588eea45cSKlaus Jensen smart.host_write_commands[0] = cpu_to_le64(stats.write_commands); 448688eea45cSKlaus Jensen 448788eea45cSKlaus Jensen smart.temperature = cpu_to_le16(n->temperature); 448888eea45cSKlaus Jensen 448988eea45cSKlaus Jensen if ((n->temperature >= n->features.temp_thresh_hi) || 449088eea45cSKlaus Jensen (n->temperature <= n->features.temp_thresh_low)) { 449188eea45cSKlaus Jensen smart.critical_warning |= NVME_SMART_TEMPERATURE; 449288eea45cSKlaus Jensen } 449388eea45cSKlaus Jensen 449488eea45cSKlaus Jensen current_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 449588eea45cSKlaus Jensen smart.power_on_hours[0] = 449688eea45cSKlaus Jensen cpu_to_le64((((current_ms - n->starttime_ms) / 1000) / 60) / 60); 449788eea45cSKlaus Jensen 449888eea45cSKlaus Jensen if (!rae) { 449988eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_SMART); 450088eea45cSKlaus Jensen } 450188eea45cSKlaus Jensen 450288eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *) &smart + off, trans_len, req); 450388eea45cSKlaus Jensen } 450488eea45cSKlaus Jensen 450588eea45cSKlaus Jensen static uint16_t nvme_fw_log_info(NvmeCtrl *n, uint32_t buf_len, uint64_t off, 450688eea45cSKlaus Jensen NvmeRequest *req) 450788eea45cSKlaus Jensen { 450888eea45cSKlaus Jensen uint32_t trans_len; 450988eea45cSKlaus Jensen NvmeFwSlotInfoLog fw_log = { 451088eea45cSKlaus Jensen .afi = 0x1, 451188eea45cSKlaus Jensen }; 451288eea45cSKlaus Jensen 451388eea45cSKlaus Jensen if (off >= sizeof(fw_log)) { 451488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 451588eea45cSKlaus Jensen } 451688eea45cSKlaus Jensen 451788eea45cSKlaus Jensen strpadcpy((char *)&fw_log.frs1, sizeof(fw_log.frs1), "1.0", ' '); 451888eea45cSKlaus Jensen trans_len = MIN(sizeof(fw_log) - off, buf_len); 451988eea45cSKlaus Jensen 452088eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *) &fw_log + off, trans_len, req); 452188eea45cSKlaus Jensen } 452288eea45cSKlaus Jensen 452388eea45cSKlaus Jensen static uint16_t nvme_error_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 452488eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 452588eea45cSKlaus Jensen { 452688eea45cSKlaus Jensen uint32_t trans_len; 452788eea45cSKlaus Jensen NvmeErrorLog errlog; 452888eea45cSKlaus Jensen 452988eea45cSKlaus Jensen if (off >= sizeof(errlog)) { 453088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 453188eea45cSKlaus Jensen } 453288eea45cSKlaus Jensen 453388eea45cSKlaus Jensen if (!rae) { 453488eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_ERROR); 453588eea45cSKlaus Jensen } 453688eea45cSKlaus Jensen 453788eea45cSKlaus Jensen memset(&errlog, 0x0, sizeof(errlog)); 453888eea45cSKlaus Jensen trans_len = MIN(sizeof(errlog) - off, buf_len); 453988eea45cSKlaus Jensen 454088eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&errlog, trans_len, req); 454188eea45cSKlaus Jensen } 454288eea45cSKlaus Jensen 454388eea45cSKlaus Jensen static uint16_t nvme_changed_nslist(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 454488eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 454588eea45cSKlaus Jensen { 454688eea45cSKlaus Jensen uint32_t nslist[1024]; 454788eea45cSKlaus Jensen uint32_t trans_len; 454888eea45cSKlaus Jensen int i = 0; 454988eea45cSKlaus Jensen uint32_t nsid; 455088eea45cSKlaus Jensen 4551e2c57529SKlaus Jensen if (off >= sizeof(nslist)) { 4552e2c57529SKlaus Jensen trace_pci_nvme_err_invalid_log_page_offset(off, sizeof(nslist)); 4553e2c57529SKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 4554e2c57529SKlaus Jensen } 4555e2c57529SKlaus Jensen 455688eea45cSKlaus Jensen memset(nslist, 0x0, sizeof(nslist)); 455788eea45cSKlaus Jensen trans_len = MIN(sizeof(nslist) - off, buf_len); 455888eea45cSKlaus Jensen 455988eea45cSKlaus Jensen while ((nsid = find_first_bit(n->changed_nsids, NVME_CHANGED_NSID_SIZE)) != 456088eea45cSKlaus Jensen NVME_CHANGED_NSID_SIZE) { 456188eea45cSKlaus Jensen /* 456288eea45cSKlaus Jensen * If more than 1024 namespaces, the first entry in the log page should 456388eea45cSKlaus Jensen * be set to FFFFFFFFh and the others to 0 as spec. 456488eea45cSKlaus Jensen */ 456588eea45cSKlaus Jensen if (i == ARRAY_SIZE(nslist)) { 456688eea45cSKlaus Jensen memset(nslist, 0x0, sizeof(nslist)); 456788eea45cSKlaus Jensen nslist[0] = 0xffffffff; 456888eea45cSKlaus Jensen break; 456988eea45cSKlaus Jensen } 457088eea45cSKlaus Jensen 457188eea45cSKlaus Jensen nslist[i++] = nsid; 457288eea45cSKlaus Jensen clear_bit(nsid, n->changed_nsids); 457388eea45cSKlaus Jensen } 457488eea45cSKlaus Jensen 457588eea45cSKlaus Jensen /* 457688eea45cSKlaus Jensen * Remove all the remaining list entries in case returns directly due to 457788eea45cSKlaus Jensen * more than 1024 namespaces. 457888eea45cSKlaus Jensen */ 457988eea45cSKlaus Jensen if (nslist[0] == 0xffffffff) { 458088eea45cSKlaus Jensen bitmap_zero(n->changed_nsids, NVME_CHANGED_NSID_SIZE); 458188eea45cSKlaus Jensen } 458288eea45cSKlaus Jensen 458388eea45cSKlaus Jensen if (!rae) { 458488eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_NOTICE); 458588eea45cSKlaus Jensen } 458688eea45cSKlaus Jensen 458788eea45cSKlaus Jensen return nvme_c2h(n, ((uint8_t *)nslist) + off, trans_len, req); 458888eea45cSKlaus Jensen } 458988eea45cSKlaus Jensen 459088eea45cSKlaus Jensen static uint16_t nvme_cmd_effects(NvmeCtrl *n, uint8_t csi, uint32_t buf_len, 459188eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 459288eea45cSKlaus Jensen { 459388eea45cSKlaus Jensen NvmeEffectsLog log = {}; 459488eea45cSKlaus Jensen const uint32_t *src_iocs = NULL; 459588eea45cSKlaus Jensen uint32_t trans_len; 459688eea45cSKlaus Jensen 459788eea45cSKlaus Jensen if (off >= sizeof(log)) { 459888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_log_page_offset(off, sizeof(log)); 459988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 460088eea45cSKlaus Jensen } 460188eea45cSKlaus Jensen 460249e03457SKlaus Jensen switch (NVME_CC_CSS(ldl_le_p(&n->bar.cc))) { 460388eea45cSKlaus Jensen case NVME_CC_CSS_NVM: 460488eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_nvm; 460588eea45cSKlaus Jensen /* fall through */ 460688eea45cSKlaus Jensen case NVME_CC_CSS_ADMIN_ONLY: 460788eea45cSKlaus Jensen break; 460888eea45cSKlaus Jensen case NVME_CC_CSS_CSI: 460988eea45cSKlaus Jensen switch (csi) { 461088eea45cSKlaus Jensen case NVME_CSI_NVM: 461188eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_nvm; 461288eea45cSKlaus Jensen break; 461388eea45cSKlaus Jensen case NVME_CSI_ZONED: 461488eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_zoned; 461588eea45cSKlaus Jensen break; 461688eea45cSKlaus Jensen } 461788eea45cSKlaus Jensen } 461888eea45cSKlaus Jensen 461988eea45cSKlaus Jensen memcpy(log.acs, nvme_cse_acs, sizeof(nvme_cse_acs)); 462088eea45cSKlaus Jensen 462188eea45cSKlaus Jensen if (src_iocs) { 462288eea45cSKlaus Jensen memcpy(log.iocs, src_iocs, sizeof(log.iocs)); 462388eea45cSKlaus Jensen } 462488eea45cSKlaus Jensen 462588eea45cSKlaus Jensen trans_len = MIN(sizeof(log) - off, buf_len); 462688eea45cSKlaus Jensen 462788eea45cSKlaus Jensen return nvme_c2h(n, ((uint8_t *)&log) + off, trans_len, req); 462888eea45cSKlaus Jensen } 462988eea45cSKlaus Jensen 463088eea45cSKlaus Jensen static uint16_t nvme_get_log(NvmeCtrl *n, NvmeRequest *req) 463188eea45cSKlaus Jensen { 463288eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 463388eea45cSKlaus Jensen 463488eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 463588eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 463688eea45cSKlaus Jensen uint32_t dw12 = le32_to_cpu(cmd->cdw12); 463788eea45cSKlaus Jensen uint32_t dw13 = le32_to_cpu(cmd->cdw13); 463888eea45cSKlaus Jensen uint8_t lid = dw10 & 0xff; 463988eea45cSKlaus Jensen uint8_t lsp = (dw10 >> 8) & 0xf; 464088eea45cSKlaus Jensen uint8_t rae = (dw10 >> 15) & 0x1; 464188eea45cSKlaus Jensen uint8_t csi = le32_to_cpu(cmd->cdw14) >> 24; 464288eea45cSKlaus Jensen uint32_t numdl, numdu; 464388eea45cSKlaus Jensen uint64_t off, lpol, lpou; 464488eea45cSKlaus Jensen size_t len; 464588eea45cSKlaus Jensen uint16_t status; 464688eea45cSKlaus Jensen 464788eea45cSKlaus Jensen numdl = (dw10 >> 16); 464888eea45cSKlaus Jensen numdu = (dw11 & 0xffff); 464988eea45cSKlaus Jensen lpol = dw12; 465088eea45cSKlaus Jensen lpou = dw13; 465188eea45cSKlaus Jensen 465288eea45cSKlaus Jensen len = (((numdu << 16) | numdl) + 1) << 2; 465388eea45cSKlaus Jensen off = (lpou << 32ULL) | lpol; 465488eea45cSKlaus Jensen 465588eea45cSKlaus Jensen if (off & 0x3) { 465688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 465788eea45cSKlaus Jensen } 465888eea45cSKlaus Jensen 465988eea45cSKlaus Jensen trace_pci_nvme_get_log(nvme_cid(req), lid, lsp, rae, len, off); 466088eea45cSKlaus Jensen 466188eea45cSKlaus Jensen status = nvme_check_mdts(n, len); 466288eea45cSKlaus Jensen if (status) { 466388eea45cSKlaus Jensen return status; 466488eea45cSKlaus Jensen } 466588eea45cSKlaus Jensen 466688eea45cSKlaus Jensen switch (lid) { 466788eea45cSKlaus Jensen case NVME_LOG_ERROR_INFO: 466888eea45cSKlaus Jensen return nvme_error_info(n, rae, len, off, req); 466988eea45cSKlaus Jensen case NVME_LOG_SMART_INFO: 467088eea45cSKlaus Jensen return nvme_smart_info(n, rae, len, off, req); 467188eea45cSKlaus Jensen case NVME_LOG_FW_SLOT_INFO: 467288eea45cSKlaus Jensen return nvme_fw_log_info(n, len, off, req); 467388eea45cSKlaus Jensen case NVME_LOG_CHANGED_NSLIST: 467488eea45cSKlaus Jensen return nvme_changed_nslist(n, rae, len, off, req); 467588eea45cSKlaus Jensen case NVME_LOG_CMD_EFFECTS: 467688eea45cSKlaus Jensen return nvme_cmd_effects(n, csi, len, off, req); 467788eea45cSKlaus Jensen default: 467888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_log_page(nvme_cid(req), lid); 467988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 468088eea45cSKlaus Jensen } 468188eea45cSKlaus Jensen } 468288eea45cSKlaus Jensen 468388eea45cSKlaus Jensen static void nvme_free_cq(NvmeCQueue *cq, NvmeCtrl *n) 468488eea45cSKlaus Jensen { 46852e53b0b4SJinhao Fan uint16_t offset = (cq->cqid << 3) + (1 << 2); 46862e53b0b4SJinhao Fan 468788eea45cSKlaus Jensen n->cq[cq->cqid] = NULL; 4688d38cc6fdSKlaus Jensen qemu_bh_delete(cq->bh); 46892e53b0b4SJinhao Fan if (cq->ioeventfd_enabled) { 46902e53b0b4SJinhao Fan memory_region_del_eventfd(&n->iomem, 46912e53b0b4SJinhao Fan 0x1000 + offset, 4, false, 0, &cq->notifier); 469204e8da88SKlaus Jensen event_notifier_set_handler(&cq->notifier, NULL); 46932e53b0b4SJinhao Fan event_notifier_cleanup(&cq->notifier); 46942e53b0b4SJinhao Fan } 469588eea45cSKlaus Jensen if (msix_enabled(&n->parent_obj)) { 469688eea45cSKlaus Jensen msix_vector_unuse(&n->parent_obj, cq->vector); 469788eea45cSKlaus Jensen } 469888eea45cSKlaus Jensen if (cq->cqid) { 469988eea45cSKlaus Jensen g_free(cq); 470088eea45cSKlaus Jensen } 470188eea45cSKlaus Jensen } 470288eea45cSKlaus Jensen 470388eea45cSKlaus Jensen static uint16_t nvme_del_cq(NvmeCtrl *n, NvmeRequest *req) 470488eea45cSKlaus Jensen { 470588eea45cSKlaus Jensen NvmeDeleteQ *c = (NvmeDeleteQ *)&req->cmd; 470688eea45cSKlaus Jensen NvmeCQueue *cq; 470788eea45cSKlaus Jensen uint16_t qid = le16_to_cpu(c->qid); 470888eea45cSKlaus Jensen 470988eea45cSKlaus Jensen if (unlikely(!qid || nvme_check_cqid(n, qid))) { 471088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_cq_cqid(qid); 471188eea45cSKlaus Jensen return NVME_INVALID_CQID | NVME_DNR; 471288eea45cSKlaus Jensen } 471388eea45cSKlaus Jensen 471488eea45cSKlaus Jensen cq = n->cq[qid]; 471588eea45cSKlaus Jensen if (unlikely(!QTAILQ_EMPTY(&cq->sq_list))) { 471688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_cq_notempty(qid); 471788eea45cSKlaus Jensen return NVME_INVALID_QUEUE_DEL; 471888eea45cSKlaus Jensen } 471983d7ed5cSKlaus Jensen 472083d7ed5cSKlaus Jensen if (cq->irq_enabled && cq->tail != cq->head) { 472183d7ed5cSKlaus Jensen n->cq_pending--; 472283d7ed5cSKlaus Jensen } 472383d7ed5cSKlaus Jensen 472488eea45cSKlaus Jensen nvme_irq_deassert(n, cq); 472588eea45cSKlaus Jensen trace_pci_nvme_del_cq(qid); 472688eea45cSKlaus Jensen nvme_free_cq(cq, n); 472788eea45cSKlaus Jensen return NVME_SUCCESS; 472888eea45cSKlaus Jensen } 472988eea45cSKlaus Jensen 473088eea45cSKlaus Jensen static void nvme_init_cq(NvmeCQueue *cq, NvmeCtrl *n, uint64_t dma_addr, 473188eea45cSKlaus Jensen uint16_t cqid, uint16_t vector, uint16_t size, 473288eea45cSKlaus Jensen uint16_t irq_enabled) 473388eea45cSKlaus Jensen { 473488eea45cSKlaus Jensen if (msix_enabled(&n->parent_obj)) { 473515377f6eSAkihiko Odaki msix_vector_use(&n->parent_obj, vector); 473688eea45cSKlaus Jensen } 473788eea45cSKlaus Jensen cq->ctrl = n; 473888eea45cSKlaus Jensen cq->cqid = cqid; 473988eea45cSKlaus Jensen cq->size = size; 474088eea45cSKlaus Jensen cq->dma_addr = dma_addr; 474188eea45cSKlaus Jensen cq->phase = 1; 474288eea45cSKlaus Jensen cq->irq_enabled = irq_enabled; 474388eea45cSKlaus Jensen cq->vector = vector; 474488eea45cSKlaus Jensen cq->head = cq->tail = 0; 474588eea45cSKlaus Jensen QTAILQ_INIT(&cq->req_list); 474688eea45cSKlaus Jensen QTAILQ_INIT(&cq->sq_list); 47473f7fe8deSJinhao Fan if (n->dbbuf_enabled) { 47483f7fe8deSJinhao Fan cq->db_addr = n->dbbuf_dbs + (cqid << 3) + (1 << 2); 47493f7fe8deSJinhao Fan cq->ei_addr = n->dbbuf_eis + (cqid << 3) + (1 << 2); 47502e53b0b4SJinhao Fan 47512e53b0b4SJinhao Fan if (n->params.ioeventfd && cqid != 0) { 47522e53b0b4SJinhao Fan if (!nvme_init_cq_ioeventfd(cq)) { 47532e53b0b4SJinhao Fan cq->ioeventfd_enabled = true; 47542e53b0b4SJinhao Fan } 47552e53b0b4SJinhao Fan } 47563f7fe8deSJinhao Fan } 475788eea45cSKlaus Jensen n->cq[cqid] = cq; 4758d38cc6fdSKlaus Jensen cq->bh = qemu_bh_new(nvme_post_cqes, cq); 475988eea45cSKlaus Jensen } 476088eea45cSKlaus Jensen 476188eea45cSKlaus Jensen static uint16_t nvme_create_cq(NvmeCtrl *n, NvmeRequest *req) 476288eea45cSKlaus Jensen { 476388eea45cSKlaus Jensen NvmeCQueue *cq; 476488eea45cSKlaus Jensen NvmeCreateCq *c = (NvmeCreateCq *)&req->cmd; 476588eea45cSKlaus Jensen uint16_t cqid = le16_to_cpu(c->cqid); 476688eea45cSKlaus Jensen uint16_t vector = le16_to_cpu(c->irq_vector); 476788eea45cSKlaus Jensen uint16_t qsize = le16_to_cpu(c->qsize); 476888eea45cSKlaus Jensen uint16_t qflags = le16_to_cpu(c->cq_flags); 476988eea45cSKlaus Jensen uint64_t prp1 = le64_to_cpu(c->prp1); 477088eea45cSKlaus Jensen 477188eea45cSKlaus Jensen trace_pci_nvme_create_cq(prp1, cqid, vector, qsize, qflags, 477288eea45cSKlaus Jensen NVME_CQ_FLAGS_IEN(qflags) != 0); 477388eea45cSKlaus Jensen 4774decc0261SŁukasz Gieryk if (unlikely(!cqid || cqid > n->conf_ioqpairs || n->cq[cqid] != NULL)) { 477588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_cqid(cqid); 477688eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 477788eea45cSKlaus Jensen } 477849e03457SKlaus Jensen if (unlikely(!qsize || qsize > NVME_CAP_MQES(ldq_le_p(&n->bar.cap)))) { 477988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_size(qsize); 478088eea45cSKlaus Jensen return NVME_MAX_QSIZE_EXCEEDED | NVME_DNR; 478188eea45cSKlaus Jensen } 478288eea45cSKlaus Jensen if (unlikely(prp1 & (n->page_size - 1))) { 478388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_addr(prp1); 478488eea45cSKlaus Jensen return NVME_INVALID_PRP_OFFSET | NVME_DNR; 478588eea45cSKlaus Jensen } 478688eea45cSKlaus Jensen if (unlikely(!msix_enabled(&n->parent_obj) && vector)) { 478788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_vector(vector); 478888eea45cSKlaus Jensen return NVME_INVALID_IRQ_VECTOR | NVME_DNR; 478988eea45cSKlaus Jensen } 4790decc0261SŁukasz Gieryk if (unlikely(vector >= n->conf_msix_qsize)) { 479188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_vector(vector); 479288eea45cSKlaus Jensen return NVME_INVALID_IRQ_VECTOR | NVME_DNR; 479388eea45cSKlaus Jensen } 479488eea45cSKlaus Jensen if (unlikely(!(NVME_CQ_FLAGS_PC(qflags)))) { 479588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_qflags(NVME_CQ_FLAGS_PC(qflags)); 479688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 479788eea45cSKlaus Jensen } 479888eea45cSKlaus Jensen 479988eea45cSKlaus Jensen cq = g_malloc0(sizeof(*cq)); 480088eea45cSKlaus Jensen nvme_init_cq(cq, n, prp1, cqid, vector, qsize + 1, 480188eea45cSKlaus Jensen NVME_CQ_FLAGS_IEN(qflags)); 480288eea45cSKlaus Jensen 480388eea45cSKlaus Jensen /* 480488eea45cSKlaus Jensen * It is only required to set qs_created when creating a completion queue; 480588eea45cSKlaus Jensen * creating a submission queue without a matching completion queue will 480688eea45cSKlaus Jensen * fail. 480788eea45cSKlaus Jensen */ 480888eea45cSKlaus Jensen n->qs_created = true; 480988eea45cSKlaus Jensen return NVME_SUCCESS; 481088eea45cSKlaus Jensen } 481188eea45cSKlaus Jensen 481288eea45cSKlaus Jensen static uint16_t nvme_rpt_empty_id_struct(NvmeCtrl *n, NvmeRequest *req) 481388eea45cSKlaus Jensen { 481488eea45cSKlaus Jensen uint8_t id[NVME_IDENTIFY_DATA_SIZE] = {}; 481588eea45cSKlaus Jensen 481688eea45cSKlaus Jensen return nvme_c2h(n, id, sizeof(id), req); 481788eea45cSKlaus Jensen } 481888eea45cSKlaus Jensen 481988eea45cSKlaus Jensen static uint16_t nvme_identify_ctrl(NvmeCtrl *n, NvmeRequest *req) 482088eea45cSKlaus Jensen { 482188eea45cSKlaus Jensen trace_pci_nvme_identify_ctrl(); 482288eea45cSKlaus Jensen 482388eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&n->id_ctrl, sizeof(n->id_ctrl), req); 482488eea45cSKlaus Jensen } 482588eea45cSKlaus Jensen 482688eea45cSKlaus Jensen static uint16_t nvme_identify_ctrl_csi(NvmeCtrl *n, NvmeRequest *req) 482788eea45cSKlaus Jensen { 482888eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 482988eea45cSKlaus Jensen uint8_t id[NVME_IDENTIFY_DATA_SIZE] = {}; 483088eea45cSKlaus Jensen NvmeIdCtrlNvm *id_nvm = (NvmeIdCtrlNvm *)&id; 483188eea45cSKlaus Jensen 483288eea45cSKlaus Jensen trace_pci_nvme_identify_ctrl_csi(c->csi); 483388eea45cSKlaus Jensen 483488eea45cSKlaus Jensen switch (c->csi) { 483588eea45cSKlaus Jensen case NVME_CSI_NVM: 483688eea45cSKlaus Jensen id_nvm->vsl = n->params.vsl; 483788eea45cSKlaus Jensen id_nvm->dmrsl = cpu_to_le32(n->dmrsl); 483888eea45cSKlaus Jensen break; 483988eea45cSKlaus Jensen 484088eea45cSKlaus Jensen case NVME_CSI_ZONED: 484188eea45cSKlaus Jensen ((NvmeIdCtrlZoned *)&id)->zasl = n->params.zasl; 484288eea45cSKlaus Jensen break; 484388eea45cSKlaus Jensen 484488eea45cSKlaus Jensen default: 484588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 484688eea45cSKlaus Jensen } 484788eea45cSKlaus Jensen 484888eea45cSKlaus Jensen return nvme_c2h(n, id, sizeof(id), req); 484988eea45cSKlaus Jensen } 485088eea45cSKlaus Jensen 485188eea45cSKlaus Jensen static uint16_t nvme_identify_ns(NvmeCtrl *n, NvmeRequest *req, bool active) 485288eea45cSKlaus Jensen { 485388eea45cSKlaus Jensen NvmeNamespace *ns; 485488eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 485588eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 485688eea45cSKlaus Jensen 485788eea45cSKlaus Jensen trace_pci_nvme_identify_ns(nsid); 485888eea45cSKlaus Jensen 485988eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 486088eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 486188eea45cSKlaus Jensen } 486288eea45cSKlaus Jensen 486388eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 486488eea45cSKlaus Jensen if (unlikely(!ns)) { 486588eea45cSKlaus Jensen if (!active) { 486688eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 486788eea45cSKlaus Jensen if (!ns) { 486888eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 486988eea45cSKlaus Jensen } 487088eea45cSKlaus Jensen } else { 487188eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 487288eea45cSKlaus Jensen } 487388eea45cSKlaus Jensen } 487488eea45cSKlaus Jensen 48753553c48fSGollu Appalanaidu if (active || ns->csi == NVME_CSI_NVM) { 487688eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&ns->id_ns, sizeof(NvmeIdNs), req); 487788eea45cSKlaus Jensen } 487888eea45cSKlaus Jensen 487988eea45cSKlaus Jensen return NVME_INVALID_CMD_SET | NVME_DNR; 488088eea45cSKlaus Jensen } 488188eea45cSKlaus Jensen 48825f4eb94dSGollu Appalanaidu static uint16_t nvme_identify_ctrl_list(NvmeCtrl *n, NvmeRequest *req, 48835f4eb94dSGollu Appalanaidu bool attached) 488488eea45cSKlaus Jensen { 488588eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 48865f4eb94dSGollu Appalanaidu uint32_t nsid = le32_to_cpu(c->nsid); 488788eea45cSKlaus Jensen uint16_t min_id = le16_to_cpu(c->ctrlid); 488888eea45cSKlaus Jensen uint16_t list[NVME_CONTROLLER_LIST_SIZE] = {}; 488988eea45cSKlaus Jensen uint16_t *ids = &list[1]; 489088eea45cSKlaus Jensen NvmeNamespace *ns; 489188eea45cSKlaus Jensen NvmeCtrl *ctrl; 489288eea45cSKlaus Jensen int cntlid, nr_ids = 0; 489388eea45cSKlaus Jensen 48945f4eb94dSGollu Appalanaidu trace_pci_nvme_identify_ctrl_list(c->cns, min_id); 489588eea45cSKlaus Jensen 48965f4eb94dSGollu Appalanaidu if (!n->subsys) { 489788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 489888eea45cSKlaus Jensen } 489988eea45cSKlaus Jensen 49005f4eb94dSGollu Appalanaidu if (attached) { 49015f4eb94dSGollu Appalanaidu if (nsid == NVME_NSID_BROADCAST) { 49025f4eb94dSGollu Appalanaidu return NVME_INVALID_FIELD | NVME_DNR; 49035f4eb94dSGollu Appalanaidu } 49045f4eb94dSGollu Appalanaidu 49055f4eb94dSGollu Appalanaidu ns = nvme_subsys_ns(n->subsys, nsid); 490688eea45cSKlaus Jensen if (!ns) { 490788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 490888eea45cSKlaus Jensen } 49095f4eb94dSGollu Appalanaidu } 491088eea45cSKlaus Jensen 491188eea45cSKlaus Jensen for (cntlid = min_id; cntlid < ARRAY_SIZE(n->subsys->ctrls); cntlid++) { 491288eea45cSKlaus Jensen ctrl = nvme_subsys_ctrl(n->subsys, cntlid); 491388eea45cSKlaus Jensen if (!ctrl) { 491488eea45cSKlaus Jensen continue; 491588eea45cSKlaus Jensen } 491688eea45cSKlaus Jensen 49175f4eb94dSGollu Appalanaidu if (attached && !nvme_ns(ctrl, nsid)) { 491888eea45cSKlaus Jensen continue; 491988eea45cSKlaus Jensen } 492088eea45cSKlaus Jensen 492188eea45cSKlaus Jensen ids[nr_ids++] = cntlid; 492288eea45cSKlaus Jensen } 492388eea45cSKlaus Jensen 492488eea45cSKlaus Jensen list[0] = nr_ids; 492588eea45cSKlaus Jensen 492688eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)list, sizeof(list), req); 492788eea45cSKlaus Jensen } 492888eea45cSKlaus Jensen 49295e6f963fSLukasz Maniak static uint16_t nvme_identify_pri_ctrl_cap(NvmeCtrl *n, NvmeRequest *req) 49305e6f963fSLukasz Maniak { 49315e6f963fSLukasz Maniak trace_pci_nvme_identify_pri_ctrl_cap(le16_to_cpu(n->pri_ctrl_cap.cntlid)); 49325e6f963fSLukasz Maniak 49335e6f963fSLukasz Maniak return nvme_c2h(n, (uint8_t *)&n->pri_ctrl_cap, 49345e6f963fSLukasz Maniak sizeof(NvmePriCtrlCap), req); 49355e6f963fSLukasz Maniak } 49365e6f963fSLukasz Maniak 493799f48ae7SLukasz Maniak static uint16_t nvme_identify_sec_ctrl_list(NvmeCtrl *n, NvmeRequest *req) 493899f48ae7SLukasz Maniak { 493999f48ae7SLukasz Maniak NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 494099f48ae7SLukasz Maniak uint16_t pri_ctrl_id = le16_to_cpu(n->pri_ctrl_cap.cntlid); 494199f48ae7SLukasz Maniak uint16_t min_id = le16_to_cpu(c->ctrlid); 494299f48ae7SLukasz Maniak uint8_t num_sec_ctrl = n->sec_ctrl_list.numcntl; 494399f48ae7SLukasz Maniak NvmeSecCtrlList list = {0}; 494499f48ae7SLukasz Maniak uint8_t i; 494599f48ae7SLukasz Maniak 494699f48ae7SLukasz Maniak for (i = 0; i < num_sec_ctrl; i++) { 494799f48ae7SLukasz Maniak if (n->sec_ctrl_list.sec[i].scid >= min_id) { 494899f48ae7SLukasz Maniak list.numcntl = num_sec_ctrl - i; 494999f48ae7SLukasz Maniak memcpy(&list.sec, n->sec_ctrl_list.sec + i, 495099f48ae7SLukasz Maniak list.numcntl * sizeof(NvmeSecCtrlEntry)); 495199f48ae7SLukasz Maniak break; 495299f48ae7SLukasz Maniak } 495399f48ae7SLukasz Maniak } 495499f48ae7SLukasz Maniak 495599f48ae7SLukasz Maniak trace_pci_nvme_identify_sec_ctrl_list(pri_ctrl_id, list.numcntl); 495699f48ae7SLukasz Maniak 495799f48ae7SLukasz Maniak return nvme_c2h(n, (uint8_t *)&list, sizeof(list), req); 495899f48ae7SLukasz Maniak } 495999f48ae7SLukasz Maniak 496088eea45cSKlaus Jensen static uint16_t nvme_identify_ns_csi(NvmeCtrl *n, NvmeRequest *req, 496188eea45cSKlaus Jensen bool active) 496288eea45cSKlaus Jensen { 496388eea45cSKlaus Jensen NvmeNamespace *ns; 496488eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 496588eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 496688eea45cSKlaus Jensen 496788eea45cSKlaus Jensen trace_pci_nvme_identify_ns_csi(nsid, c->csi); 496888eea45cSKlaus Jensen 496988eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 497088eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 497188eea45cSKlaus Jensen } 497288eea45cSKlaus Jensen 497388eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 497488eea45cSKlaus Jensen if (unlikely(!ns)) { 497588eea45cSKlaus Jensen if (!active) { 497688eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 497788eea45cSKlaus Jensen if (!ns) { 497888eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 497988eea45cSKlaus Jensen } 498088eea45cSKlaus Jensen } else { 498188eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 498288eea45cSKlaus Jensen } 498388eea45cSKlaus Jensen } 498488eea45cSKlaus Jensen 49853553c48fSGollu Appalanaidu if (c->csi == NVME_CSI_NVM) { 498644219b60SNaveen Nagar return nvme_c2h(n, (uint8_t *)&ns->id_ns_nvm, sizeof(NvmeIdNsNvm), 498744219b60SNaveen Nagar req); 498888eea45cSKlaus Jensen } else if (c->csi == NVME_CSI_ZONED && ns->csi == NVME_CSI_ZONED) { 498988eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)ns->id_ns_zoned, sizeof(NvmeIdNsZoned), 499088eea45cSKlaus Jensen req); 499188eea45cSKlaus Jensen } 499288eea45cSKlaus Jensen 499388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 499488eea45cSKlaus Jensen } 499588eea45cSKlaus Jensen 499688eea45cSKlaus Jensen static uint16_t nvme_identify_nslist(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(min_nsid); 500888eea45cSKlaus Jensen 500988eea45cSKlaus Jensen /* 501088eea45cSKlaus Jensen * Both FFFFFFFFh (NVME_NSID_BROADCAST) and FFFFFFFFEh are invalid values 501188eea45cSKlaus Jensen * since the Active Namespace ID List should return namespaces with ids 501288eea45cSKlaus Jensen * *higher* than the NSID specified in the command. This is also specified 501388eea45cSKlaus Jensen * in the spec (NVM Express v1.3d, Section 5.15.4). 501488eea45cSKlaus Jensen */ 501588eea45cSKlaus Jensen if (min_nsid >= NVME_NSID_BROADCAST - 1) { 501688eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 501788eea45cSKlaus Jensen } 501888eea45cSKlaus Jensen 501988eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 502088eea45cSKlaus Jensen ns = nvme_ns(n, i); 502188eea45cSKlaus Jensen if (!ns) { 502288eea45cSKlaus Jensen if (!active) { 502388eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, i); 502488eea45cSKlaus Jensen if (!ns) { 502588eea45cSKlaus Jensen continue; 502688eea45cSKlaus Jensen } 502788eea45cSKlaus Jensen } else { 502888eea45cSKlaus Jensen continue; 502988eea45cSKlaus Jensen } 503088eea45cSKlaus Jensen } 503188eea45cSKlaus Jensen if (ns->params.nsid <= min_nsid) { 503288eea45cSKlaus Jensen continue; 503388eea45cSKlaus Jensen } 503488eea45cSKlaus Jensen list_ptr[j++] = cpu_to_le32(ns->params.nsid); 503588eea45cSKlaus Jensen if (j == data_len / sizeof(uint32_t)) { 503688eea45cSKlaus Jensen break; 503788eea45cSKlaus Jensen } 503888eea45cSKlaus Jensen } 503988eea45cSKlaus Jensen 504088eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 504188eea45cSKlaus Jensen } 504288eea45cSKlaus Jensen 504388eea45cSKlaus Jensen static uint16_t nvme_identify_nslist_csi(NvmeCtrl *n, NvmeRequest *req, 504488eea45cSKlaus Jensen bool active) 504588eea45cSKlaus Jensen { 504688eea45cSKlaus Jensen NvmeNamespace *ns; 504788eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 504888eea45cSKlaus Jensen uint32_t min_nsid = le32_to_cpu(c->nsid); 504988eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 505088eea45cSKlaus Jensen static const int data_len = sizeof(list); 505188eea45cSKlaus Jensen uint32_t *list_ptr = (uint32_t *)list; 505288eea45cSKlaus Jensen int i, j = 0; 505388eea45cSKlaus Jensen 505488eea45cSKlaus Jensen trace_pci_nvme_identify_nslist_csi(min_nsid, c->csi); 505588eea45cSKlaus Jensen 505688eea45cSKlaus Jensen /* 505788eea45cSKlaus Jensen * Same as in nvme_identify_nslist(), FFFFFFFFh/FFFFFFFFEh are invalid. 505888eea45cSKlaus Jensen */ 505988eea45cSKlaus Jensen if (min_nsid >= NVME_NSID_BROADCAST - 1) { 506088eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 506188eea45cSKlaus Jensen } 506288eea45cSKlaus Jensen 506388eea45cSKlaus Jensen if (c->csi != NVME_CSI_NVM && c->csi != NVME_CSI_ZONED) { 506488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 506588eea45cSKlaus Jensen } 506688eea45cSKlaus Jensen 506788eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 506888eea45cSKlaus Jensen ns = nvme_ns(n, i); 506988eea45cSKlaus Jensen if (!ns) { 507088eea45cSKlaus Jensen if (!active) { 507188eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, i); 507288eea45cSKlaus Jensen if (!ns) { 507388eea45cSKlaus Jensen continue; 507488eea45cSKlaus Jensen } 507588eea45cSKlaus Jensen } else { 507688eea45cSKlaus Jensen continue; 507788eea45cSKlaus Jensen } 507888eea45cSKlaus Jensen } 507988eea45cSKlaus Jensen if (ns->params.nsid <= min_nsid || c->csi != ns->csi) { 508088eea45cSKlaus Jensen continue; 508188eea45cSKlaus Jensen } 508288eea45cSKlaus Jensen list_ptr[j++] = cpu_to_le32(ns->params.nsid); 508388eea45cSKlaus Jensen if (j == data_len / sizeof(uint32_t)) { 508488eea45cSKlaus Jensen break; 508588eea45cSKlaus Jensen } 508688eea45cSKlaus Jensen } 508788eea45cSKlaus Jensen 508888eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 508988eea45cSKlaus Jensen } 509088eea45cSKlaus Jensen 509188eea45cSKlaus Jensen static uint16_t nvme_identify_ns_descr_list(NvmeCtrl *n, NvmeRequest *req) 509288eea45cSKlaus Jensen { 509388eea45cSKlaus Jensen NvmeNamespace *ns; 509488eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 509588eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 509688eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 50976870cfb8SHeinrich Schuchardt uint8_t *pos = list; 509888eea45cSKlaus Jensen struct { 509988eea45cSKlaus Jensen NvmeIdNsDescr hdr; 510088eea45cSKlaus Jensen uint8_t v[NVME_NIDL_UUID]; 51015f4884c4SKlaus Jensen } QEMU_PACKED uuid = {}; 51026870cfb8SHeinrich Schuchardt struct { 51036870cfb8SHeinrich Schuchardt NvmeIdNsDescr hdr; 51046870cfb8SHeinrich Schuchardt uint64_t v; 51055f4884c4SKlaus Jensen } QEMU_PACKED eui64 = {}; 510688eea45cSKlaus Jensen struct { 510788eea45cSKlaus Jensen NvmeIdNsDescr hdr; 510888eea45cSKlaus Jensen uint8_t v; 51095f4884c4SKlaus Jensen } QEMU_PACKED csi = {}; 511088eea45cSKlaus Jensen 511188eea45cSKlaus Jensen trace_pci_nvme_identify_ns_descr_list(nsid); 511288eea45cSKlaus Jensen 511388eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 511488eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 511588eea45cSKlaus Jensen } 511688eea45cSKlaus Jensen 511788eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 511888eea45cSKlaus Jensen if (unlikely(!ns)) { 511988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 512088eea45cSKlaus Jensen } 512188eea45cSKlaus Jensen 51229f2e1acfSKlaus Jensen if (!qemu_uuid_is_null(&ns->params.uuid)) { 51236870cfb8SHeinrich Schuchardt uuid.hdr.nidt = NVME_NIDT_UUID; 51246870cfb8SHeinrich Schuchardt uuid.hdr.nidl = NVME_NIDL_UUID; 51256870cfb8SHeinrich Schuchardt memcpy(uuid.v, ns->params.uuid.data, NVME_NIDL_UUID); 51266870cfb8SHeinrich Schuchardt memcpy(pos, &uuid, sizeof(uuid)); 51276870cfb8SHeinrich Schuchardt pos += sizeof(uuid); 51289f2e1acfSKlaus Jensen } 512988eea45cSKlaus Jensen 51306870cfb8SHeinrich Schuchardt if (ns->params.eui64) { 51316870cfb8SHeinrich Schuchardt eui64.hdr.nidt = NVME_NIDT_EUI64; 51326870cfb8SHeinrich Schuchardt eui64.hdr.nidl = NVME_NIDL_EUI64; 51336870cfb8SHeinrich Schuchardt eui64.v = cpu_to_be64(ns->params.eui64); 51346870cfb8SHeinrich Schuchardt memcpy(pos, &eui64, sizeof(eui64)); 51356870cfb8SHeinrich Schuchardt pos += sizeof(eui64); 51366870cfb8SHeinrich Schuchardt } 51376870cfb8SHeinrich Schuchardt 51386870cfb8SHeinrich Schuchardt csi.hdr.nidt = NVME_NIDT_CSI; 51396870cfb8SHeinrich Schuchardt csi.hdr.nidl = NVME_NIDL_CSI; 51406870cfb8SHeinrich Schuchardt csi.v = ns->csi; 51416870cfb8SHeinrich Schuchardt memcpy(pos, &csi, sizeof(csi)); 51426870cfb8SHeinrich Schuchardt pos += sizeof(csi); 514388eea45cSKlaus Jensen 514488eea45cSKlaus Jensen return nvme_c2h(n, list, sizeof(list), req); 514588eea45cSKlaus Jensen } 514688eea45cSKlaus Jensen 514788eea45cSKlaus Jensen static uint16_t nvme_identify_cmd_set(NvmeCtrl *n, NvmeRequest *req) 514888eea45cSKlaus Jensen { 514988eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 515088eea45cSKlaus Jensen static const int data_len = sizeof(list); 515188eea45cSKlaus Jensen 515288eea45cSKlaus Jensen trace_pci_nvme_identify_cmd_set(); 515388eea45cSKlaus Jensen 515488eea45cSKlaus Jensen NVME_SET_CSI(*list, NVME_CSI_NVM); 515588eea45cSKlaus Jensen NVME_SET_CSI(*list, NVME_CSI_ZONED); 515688eea45cSKlaus Jensen 515788eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 515888eea45cSKlaus Jensen } 515988eea45cSKlaus Jensen 516088eea45cSKlaus Jensen static uint16_t nvme_identify(NvmeCtrl *n, NvmeRequest *req) 516188eea45cSKlaus Jensen { 516288eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 516388eea45cSKlaus Jensen 516488eea45cSKlaus Jensen trace_pci_nvme_identify(nvme_cid(req), c->cns, le16_to_cpu(c->ctrlid), 516588eea45cSKlaus Jensen c->csi); 516688eea45cSKlaus Jensen 516788eea45cSKlaus Jensen switch (c->cns) { 516888eea45cSKlaus Jensen case NVME_ID_CNS_NS: 516988eea45cSKlaus Jensen return nvme_identify_ns(n, req, true); 517088eea45cSKlaus Jensen case NVME_ID_CNS_NS_PRESENT: 517188eea45cSKlaus Jensen return nvme_identify_ns(n, req, false); 517288eea45cSKlaus Jensen case NVME_ID_CNS_NS_ATTACHED_CTRL_LIST: 51735f4eb94dSGollu Appalanaidu return nvme_identify_ctrl_list(n, req, true); 51745f4eb94dSGollu Appalanaidu case NVME_ID_CNS_CTRL_LIST: 51755f4eb94dSGollu Appalanaidu return nvme_identify_ctrl_list(n, req, false); 51765e6f963fSLukasz Maniak case NVME_ID_CNS_PRIMARY_CTRL_CAP: 51775e6f963fSLukasz Maniak return nvme_identify_pri_ctrl_cap(n, req); 517899f48ae7SLukasz Maniak case NVME_ID_CNS_SECONDARY_CTRL_LIST: 517999f48ae7SLukasz Maniak return nvme_identify_sec_ctrl_list(n, req); 518088eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS: 518188eea45cSKlaus Jensen return nvme_identify_ns_csi(n, req, true); 518288eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_PRESENT: 518388eea45cSKlaus Jensen return nvme_identify_ns_csi(n, req, false); 518488eea45cSKlaus Jensen case NVME_ID_CNS_CTRL: 518588eea45cSKlaus Jensen return nvme_identify_ctrl(n, req); 518688eea45cSKlaus Jensen case NVME_ID_CNS_CS_CTRL: 518788eea45cSKlaus Jensen return nvme_identify_ctrl_csi(n, req); 518888eea45cSKlaus Jensen case NVME_ID_CNS_NS_ACTIVE_LIST: 518988eea45cSKlaus Jensen return nvme_identify_nslist(n, req, true); 519088eea45cSKlaus Jensen case NVME_ID_CNS_NS_PRESENT_LIST: 519188eea45cSKlaus Jensen return nvme_identify_nslist(n, req, false); 519288eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_ACTIVE_LIST: 519388eea45cSKlaus Jensen return nvme_identify_nslist_csi(n, req, true); 519488eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_PRESENT_LIST: 519588eea45cSKlaus Jensen return nvme_identify_nslist_csi(n, req, false); 519688eea45cSKlaus Jensen case NVME_ID_CNS_NS_DESCR_LIST: 519788eea45cSKlaus Jensen return nvme_identify_ns_descr_list(n, req); 519888eea45cSKlaus Jensen case NVME_ID_CNS_IO_COMMAND_SET: 519988eea45cSKlaus Jensen return nvme_identify_cmd_set(n, req); 520088eea45cSKlaus Jensen default: 520188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_identify_cns(le32_to_cpu(c->cns)); 520288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 520388eea45cSKlaus Jensen } 520488eea45cSKlaus Jensen } 520588eea45cSKlaus Jensen 520688eea45cSKlaus Jensen static uint16_t nvme_abort(NvmeCtrl *n, NvmeRequest *req) 520788eea45cSKlaus Jensen { 520888eea45cSKlaus Jensen uint16_t sqid = le32_to_cpu(req->cmd.cdw10) & 0xffff; 520988eea45cSKlaus Jensen 521088eea45cSKlaus Jensen req->cqe.result = 1; 521188eea45cSKlaus Jensen if (nvme_check_sqid(n, sqid)) { 521288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 521388eea45cSKlaus Jensen } 521488eea45cSKlaus Jensen 521588eea45cSKlaus Jensen return NVME_SUCCESS; 521688eea45cSKlaus Jensen } 521788eea45cSKlaus Jensen 521888eea45cSKlaus Jensen static inline void nvme_set_timestamp(NvmeCtrl *n, uint64_t ts) 521988eea45cSKlaus Jensen { 522088eea45cSKlaus Jensen trace_pci_nvme_setfeat_timestamp(ts); 522188eea45cSKlaus Jensen 522288eea45cSKlaus Jensen n->host_timestamp = le64_to_cpu(ts); 522388eea45cSKlaus Jensen n->timestamp_set_qemu_clock_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 522488eea45cSKlaus Jensen } 522588eea45cSKlaus Jensen 522688eea45cSKlaus Jensen static inline uint64_t nvme_get_timestamp(const NvmeCtrl *n) 522788eea45cSKlaus Jensen { 522888eea45cSKlaus Jensen uint64_t current_time = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 522988eea45cSKlaus Jensen uint64_t elapsed_time = current_time - n->timestamp_set_qemu_clock_ms; 523088eea45cSKlaus Jensen 523188eea45cSKlaus Jensen union nvme_timestamp { 523288eea45cSKlaus Jensen struct { 523388eea45cSKlaus Jensen uint64_t timestamp:48; 523488eea45cSKlaus Jensen uint64_t sync:1; 523588eea45cSKlaus Jensen uint64_t origin:3; 523688eea45cSKlaus Jensen uint64_t rsvd1:12; 523788eea45cSKlaus Jensen }; 523888eea45cSKlaus Jensen uint64_t all; 523988eea45cSKlaus Jensen }; 524088eea45cSKlaus Jensen 524188eea45cSKlaus Jensen union nvme_timestamp ts; 524288eea45cSKlaus Jensen ts.all = 0; 524388eea45cSKlaus Jensen ts.timestamp = n->host_timestamp + elapsed_time; 524488eea45cSKlaus Jensen 524588eea45cSKlaus Jensen /* If the host timestamp is non-zero, set the timestamp origin */ 524688eea45cSKlaus Jensen ts.origin = n->host_timestamp ? 0x01 : 0x00; 524788eea45cSKlaus Jensen 524888eea45cSKlaus Jensen trace_pci_nvme_getfeat_timestamp(ts.all); 524988eea45cSKlaus Jensen 525088eea45cSKlaus Jensen return cpu_to_le64(ts.all); 525188eea45cSKlaus Jensen } 525288eea45cSKlaus Jensen 525388eea45cSKlaus Jensen static uint16_t nvme_get_feature_timestamp(NvmeCtrl *n, NvmeRequest *req) 525488eea45cSKlaus Jensen { 525588eea45cSKlaus Jensen uint64_t timestamp = nvme_get_timestamp(n); 525688eea45cSKlaus Jensen 525788eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)×tamp, sizeof(timestamp), req); 525888eea45cSKlaus Jensen } 525988eea45cSKlaus Jensen 526088eea45cSKlaus Jensen static uint16_t nvme_get_feature(NvmeCtrl *n, NvmeRequest *req) 526188eea45cSKlaus Jensen { 526288eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 526388eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 526488eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 526588eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(cmd->nsid); 526688eea45cSKlaus Jensen uint32_t result; 526788eea45cSKlaus Jensen uint8_t fid = NVME_GETSETFEAT_FID(dw10); 526888eea45cSKlaus Jensen NvmeGetFeatureSelect sel = NVME_GETFEAT_SELECT(dw10); 526988eea45cSKlaus Jensen uint16_t iv; 527088eea45cSKlaus Jensen NvmeNamespace *ns; 527188eea45cSKlaus Jensen int i; 527288eea45cSKlaus Jensen 527388eea45cSKlaus Jensen static const uint32_t nvme_feature_default[NVME_FID_MAX] = { 527488eea45cSKlaus Jensen [NVME_ARBITRATION] = NVME_ARB_AB_NOLIMIT, 527588eea45cSKlaus Jensen }; 527688eea45cSKlaus Jensen 527788eea45cSKlaus Jensen trace_pci_nvme_getfeat(nvme_cid(req), nsid, fid, sel, dw11); 527888eea45cSKlaus Jensen 527988eea45cSKlaus Jensen if (!nvme_feature_support[fid]) { 528088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 528188eea45cSKlaus Jensen } 528288eea45cSKlaus Jensen 528388eea45cSKlaus Jensen if (nvme_feature_cap[fid] & NVME_FEAT_CAP_NS) { 528488eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 528588eea45cSKlaus Jensen /* 528688eea45cSKlaus Jensen * The Reservation Notification Mask and Reservation Persistence 528788eea45cSKlaus Jensen * features require a status code of Invalid Field in Command when 528888eea45cSKlaus Jensen * NSID is FFFFFFFFh. Since the device does not support those 528988eea45cSKlaus Jensen * features we can always return Invalid Namespace or Format as we 529088eea45cSKlaus Jensen * should do for all other features. 529188eea45cSKlaus Jensen */ 529288eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 529388eea45cSKlaus Jensen } 529488eea45cSKlaus Jensen 529588eea45cSKlaus Jensen if (!nvme_ns(n, nsid)) { 529688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 529788eea45cSKlaus Jensen } 529888eea45cSKlaus Jensen } 529988eea45cSKlaus Jensen 530088eea45cSKlaus Jensen switch (sel) { 530188eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_CURRENT: 530288eea45cSKlaus Jensen break; 530388eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_SAVED: 530488eea45cSKlaus Jensen /* no features are saveable by the controller; fallthrough */ 530588eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_DEFAULT: 530688eea45cSKlaus Jensen goto defaults; 530788eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_CAP: 530888eea45cSKlaus Jensen result = nvme_feature_cap[fid]; 530988eea45cSKlaus Jensen goto out; 531088eea45cSKlaus Jensen } 531188eea45cSKlaus Jensen 531288eea45cSKlaus Jensen switch (fid) { 531388eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 531488eea45cSKlaus Jensen result = 0; 531588eea45cSKlaus Jensen 531688eea45cSKlaus Jensen /* 531788eea45cSKlaus Jensen * The controller only implements the Composite Temperature sensor, so 531888eea45cSKlaus Jensen * return 0 for all other sensors. 531988eea45cSKlaus Jensen */ 532088eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 532188eea45cSKlaus Jensen goto out; 532288eea45cSKlaus Jensen } 532388eea45cSKlaus Jensen 532488eea45cSKlaus Jensen switch (NVME_TEMP_THSEL(dw11)) { 532588eea45cSKlaus Jensen case NVME_TEMP_THSEL_OVER: 532688eea45cSKlaus Jensen result = n->features.temp_thresh_hi; 532788eea45cSKlaus Jensen goto out; 532888eea45cSKlaus Jensen case NVME_TEMP_THSEL_UNDER: 532988eea45cSKlaus Jensen result = n->features.temp_thresh_low; 533088eea45cSKlaus Jensen goto out; 533188eea45cSKlaus Jensen } 533288eea45cSKlaus Jensen 533388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 533488eea45cSKlaus Jensen case NVME_ERROR_RECOVERY: 533588eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 533688eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 533788eea45cSKlaus Jensen } 533888eea45cSKlaus Jensen 533988eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 534088eea45cSKlaus Jensen if (unlikely(!ns)) { 534188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 534288eea45cSKlaus Jensen } 534388eea45cSKlaus Jensen 534488eea45cSKlaus Jensen result = ns->features.err_rec; 534588eea45cSKlaus Jensen goto out; 534688eea45cSKlaus Jensen case NVME_VOLATILE_WRITE_CACHE: 534788eea45cSKlaus Jensen result = 0; 534888eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 534988eea45cSKlaus Jensen ns = nvme_ns(n, i); 535088eea45cSKlaus Jensen if (!ns) { 535188eea45cSKlaus Jensen continue; 535288eea45cSKlaus Jensen } 535388eea45cSKlaus Jensen 535488eea45cSKlaus Jensen result = blk_enable_write_cache(ns->blkconf.blk); 535588eea45cSKlaus Jensen if (result) { 535688eea45cSKlaus Jensen break; 535788eea45cSKlaus Jensen } 535888eea45cSKlaus Jensen } 535988eea45cSKlaus Jensen trace_pci_nvme_getfeat_vwcache(result ? "enabled" : "disabled"); 536088eea45cSKlaus Jensen goto out; 536188eea45cSKlaus Jensen case NVME_ASYNCHRONOUS_EVENT_CONF: 536288eea45cSKlaus Jensen result = n->features.async_config; 536388eea45cSKlaus Jensen goto out; 536488eea45cSKlaus Jensen case NVME_TIMESTAMP: 536588eea45cSKlaus Jensen return nvme_get_feature_timestamp(n, req); 5366d0c0697bSNaveen Nagar case NVME_HOST_BEHAVIOR_SUPPORT: 5367d0c0697bSNaveen Nagar return nvme_c2h(n, (uint8_t *)&n->features.hbs, 5368d0c0697bSNaveen Nagar sizeof(n->features.hbs), req); 536988eea45cSKlaus Jensen default: 537088eea45cSKlaus Jensen break; 537188eea45cSKlaus Jensen } 537288eea45cSKlaus Jensen 537388eea45cSKlaus Jensen defaults: 537488eea45cSKlaus Jensen switch (fid) { 537588eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 537688eea45cSKlaus Jensen result = 0; 537788eea45cSKlaus Jensen 537888eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 537988eea45cSKlaus Jensen break; 538088eea45cSKlaus Jensen } 538188eea45cSKlaus Jensen 538288eea45cSKlaus Jensen if (NVME_TEMP_THSEL(dw11) == NVME_TEMP_THSEL_OVER) { 538388eea45cSKlaus Jensen result = NVME_TEMPERATURE_WARNING; 538488eea45cSKlaus Jensen } 538588eea45cSKlaus Jensen 538688eea45cSKlaus Jensen break; 538788eea45cSKlaus Jensen case NVME_NUMBER_OF_QUEUES: 5388decc0261SŁukasz Gieryk result = (n->conf_ioqpairs - 1) | ((n->conf_ioqpairs - 1) << 16); 538988eea45cSKlaus Jensen trace_pci_nvme_getfeat_numq(result); 539088eea45cSKlaus Jensen break; 539188eea45cSKlaus Jensen case NVME_INTERRUPT_VECTOR_CONF: 539288eea45cSKlaus Jensen iv = dw11 & 0xffff; 5393decc0261SŁukasz Gieryk if (iv >= n->conf_ioqpairs + 1) { 539488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 539588eea45cSKlaus Jensen } 539688eea45cSKlaus Jensen 539788eea45cSKlaus Jensen result = iv; 539888eea45cSKlaus Jensen if (iv == n->admin_cq.vector) { 539988eea45cSKlaus Jensen result |= NVME_INTVC_NOCOALESCING; 540088eea45cSKlaus Jensen } 540188eea45cSKlaus Jensen break; 540288eea45cSKlaus Jensen default: 540388eea45cSKlaus Jensen result = nvme_feature_default[fid]; 540488eea45cSKlaus Jensen break; 540588eea45cSKlaus Jensen } 540688eea45cSKlaus Jensen 540788eea45cSKlaus Jensen out: 540888eea45cSKlaus Jensen req->cqe.result = cpu_to_le32(result); 540988eea45cSKlaus Jensen return NVME_SUCCESS; 541088eea45cSKlaus Jensen } 541188eea45cSKlaus Jensen 541288eea45cSKlaus Jensen static uint16_t nvme_set_feature_timestamp(NvmeCtrl *n, NvmeRequest *req) 541388eea45cSKlaus Jensen { 541488eea45cSKlaus Jensen uint16_t ret; 541588eea45cSKlaus Jensen uint64_t timestamp; 541688eea45cSKlaus Jensen 541788eea45cSKlaus Jensen ret = nvme_h2c(n, (uint8_t *)×tamp, sizeof(timestamp), req); 541888eea45cSKlaus Jensen if (ret) { 541988eea45cSKlaus Jensen return ret; 542088eea45cSKlaus Jensen } 542188eea45cSKlaus Jensen 542288eea45cSKlaus Jensen nvme_set_timestamp(n, timestamp); 542388eea45cSKlaus Jensen 542488eea45cSKlaus Jensen return NVME_SUCCESS; 542588eea45cSKlaus Jensen } 542688eea45cSKlaus Jensen 542788eea45cSKlaus Jensen static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeRequest *req) 542888eea45cSKlaus Jensen { 542988eea45cSKlaus Jensen NvmeNamespace *ns = NULL; 543088eea45cSKlaus Jensen 543188eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 543288eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 543388eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 543488eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(cmd->nsid); 543588eea45cSKlaus Jensen uint8_t fid = NVME_GETSETFEAT_FID(dw10); 543688eea45cSKlaus Jensen uint8_t save = NVME_SETFEAT_SAVE(dw10); 5437763c05dfSNaveen Nagar uint16_t status; 543888eea45cSKlaus Jensen int i; 543988eea45cSKlaus Jensen 544088eea45cSKlaus Jensen trace_pci_nvme_setfeat(nvme_cid(req), nsid, fid, save, dw11); 544188eea45cSKlaus Jensen 544288eea45cSKlaus Jensen if (save && !(nvme_feature_cap[fid] & NVME_FEAT_CAP_SAVE)) { 544388eea45cSKlaus Jensen return NVME_FID_NOT_SAVEABLE | NVME_DNR; 544488eea45cSKlaus Jensen } 544588eea45cSKlaus Jensen 544688eea45cSKlaus Jensen if (!nvme_feature_support[fid]) { 544788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 544888eea45cSKlaus Jensen } 544988eea45cSKlaus Jensen 545088eea45cSKlaus Jensen if (nvme_feature_cap[fid] & NVME_FEAT_CAP_NS) { 545188eea45cSKlaus Jensen if (nsid != NVME_NSID_BROADCAST) { 545288eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 545388eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 545488eea45cSKlaus Jensen } 545588eea45cSKlaus Jensen 545688eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 545788eea45cSKlaus Jensen if (unlikely(!ns)) { 545888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 545988eea45cSKlaus Jensen } 546088eea45cSKlaus Jensen } 546188eea45cSKlaus Jensen } else if (nsid && nsid != NVME_NSID_BROADCAST) { 546288eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 546388eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 546488eea45cSKlaus Jensen } 546588eea45cSKlaus Jensen 546688eea45cSKlaus Jensen return NVME_FEAT_NOT_NS_SPEC | NVME_DNR; 546788eea45cSKlaus Jensen } 546888eea45cSKlaus Jensen 546988eea45cSKlaus Jensen if (!(nvme_feature_cap[fid] & NVME_FEAT_CAP_CHANGE)) { 547088eea45cSKlaus Jensen return NVME_FEAT_NOT_CHANGEABLE | NVME_DNR; 547188eea45cSKlaus Jensen } 547288eea45cSKlaus Jensen 547388eea45cSKlaus Jensen switch (fid) { 547488eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 547588eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 547688eea45cSKlaus Jensen break; 547788eea45cSKlaus Jensen } 547888eea45cSKlaus Jensen 547988eea45cSKlaus Jensen switch (NVME_TEMP_THSEL(dw11)) { 548088eea45cSKlaus Jensen case NVME_TEMP_THSEL_OVER: 548188eea45cSKlaus Jensen n->features.temp_thresh_hi = NVME_TEMP_TMPTH(dw11); 548288eea45cSKlaus Jensen break; 548388eea45cSKlaus Jensen case NVME_TEMP_THSEL_UNDER: 548488eea45cSKlaus Jensen n->features.temp_thresh_low = NVME_TEMP_TMPTH(dw11); 548588eea45cSKlaus Jensen break; 548688eea45cSKlaus Jensen default: 548788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 548888eea45cSKlaus Jensen } 548988eea45cSKlaus Jensen 549088eea45cSKlaus Jensen if ((n->temperature >= n->features.temp_thresh_hi) || 549188eea45cSKlaus Jensen (n->temperature <= n->features.temp_thresh_low)) { 54929235a72aSKlaus Jensen nvme_smart_event(n, NVME_SMART_TEMPERATURE); 549388eea45cSKlaus Jensen } 549488eea45cSKlaus Jensen 549588eea45cSKlaus Jensen break; 549688eea45cSKlaus Jensen case NVME_ERROR_RECOVERY: 549788eea45cSKlaus Jensen if (nsid == NVME_NSID_BROADCAST) { 549888eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 549988eea45cSKlaus Jensen ns = nvme_ns(n, i); 550088eea45cSKlaus Jensen 550188eea45cSKlaus Jensen if (!ns) { 550288eea45cSKlaus Jensen continue; 550388eea45cSKlaus Jensen } 550488eea45cSKlaus Jensen 550588eea45cSKlaus Jensen if (NVME_ID_NS_NSFEAT_DULBE(ns->id_ns.nsfeat)) { 550688eea45cSKlaus Jensen ns->features.err_rec = dw11; 550788eea45cSKlaus Jensen } 550888eea45cSKlaus Jensen } 550988eea45cSKlaus Jensen 551088eea45cSKlaus Jensen break; 551188eea45cSKlaus Jensen } 551288eea45cSKlaus Jensen 551388eea45cSKlaus Jensen assert(ns); 551488eea45cSKlaus Jensen if (NVME_ID_NS_NSFEAT_DULBE(ns->id_ns.nsfeat)) { 551588eea45cSKlaus Jensen ns->features.err_rec = dw11; 551688eea45cSKlaus Jensen } 551788eea45cSKlaus Jensen break; 551888eea45cSKlaus Jensen case NVME_VOLATILE_WRITE_CACHE: 551988eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 552088eea45cSKlaus Jensen ns = nvme_ns(n, i); 552188eea45cSKlaus Jensen if (!ns) { 552288eea45cSKlaus Jensen continue; 552388eea45cSKlaus Jensen } 552488eea45cSKlaus Jensen 552588eea45cSKlaus Jensen if (!(dw11 & 0x1) && blk_enable_write_cache(ns->blkconf.blk)) { 552688eea45cSKlaus Jensen blk_flush(ns->blkconf.blk); 552788eea45cSKlaus Jensen } 552888eea45cSKlaus Jensen 552988eea45cSKlaus Jensen blk_set_enable_write_cache(ns->blkconf.blk, dw11 & 1); 553088eea45cSKlaus Jensen } 553188eea45cSKlaus Jensen 553288eea45cSKlaus Jensen break; 553388eea45cSKlaus Jensen 553488eea45cSKlaus Jensen case NVME_NUMBER_OF_QUEUES: 553588eea45cSKlaus Jensen if (n->qs_created) { 553688eea45cSKlaus Jensen return NVME_CMD_SEQ_ERROR | NVME_DNR; 553788eea45cSKlaus Jensen } 553888eea45cSKlaus Jensen 553988eea45cSKlaus Jensen /* 554088eea45cSKlaus Jensen * NVMe v1.3, Section 5.21.1.7: FFFFh is not an allowed value for NCQR 554188eea45cSKlaus Jensen * and NSQR. 554288eea45cSKlaus Jensen */ 554388eea45cSKlaus Jensen if ((dw11 & 0xffff) == 0xffff || ((dw11 >> 16) & 0xffff) == 0xffff) { 554488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 554588eea45cSKlaus Jensen } 554688eea45cSKlaus Jensen 554788eea45cSKlaus Jensen trace_pci_nvme_setfeat_numq((dw11 & 0xffff) + 1, 554888eea45cSKlaus Jensen ((dw11 >> 16) & 0xffff) + 1, 5549decc0261SŁukasz Gieryk n->conf_ioqpairs, 5550decc0261SŁukasz Gieryk n->conf_ioqpairs); 5551decc0261SŁukasz Gieryk req->cqe.result = cpu_to_le32((n->conf_ioqpairs - 1) | 5552decc0261SŁukasz Gieryk ((n->conf_ioqpairs - 1) << 16)); 555388eea45cSKlaus Jensen break; 555488eea45cSKlaus Jensen case NVME_ASYNCHRONOUS_EVENT_CONF: 555588eea45cSKlaus Jensen n->features.async_config = dw11; 555688eea45cSKlaus Jensen break; 555788eea45cSKlaus Jensen case NVME_TIMESTAMP: 555888eea45cSKlaus Jensen return nvme_set_feature_timestamp(n, req); 5559d0c0697bSNaveen Nagar case NVME_HOST_BEHAVIOR_SUPPORT: 5560763c05dfSNaveen Nagar status = nvme_h2c(n, (uint8_t *)&n->features.hbs, 5561d0c0697bSNaveen Nagar sizeof(n->features.hbs), req); 5562763c05dfSNaveen Nagar if (status) { 5563763c05dfSNaveen Nagar return status; 5564763c05dfSNaveen Nagar } 5565763c05dfSNaveen Nagar 5566763c05dfSNaveen Nagar for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 5567763c05dfSNaveen Nagar ns = nvme_ns(n, i); 5568763c05dfSNaveen Nagar 5569763c05dfSNaveen Nagar if (!ns) { 5570763c05dfSNaveen Nagar continue; 5571763c05dfSNaveen Nagar } 5572763c05dfSNaveen Nagar 5573763c05dfSNaveen Nagar ns->id_ns.nlbaf = ns->nlbaf - 1; 5574763c05dfSNaveen Nagar if (!n->features.hbs.lbafee) { 5575763c05dfSNaveen Nagar ns->id_ns.nlbaf = MIN(ns->id_ns.nlbaf, 15); 5576763c05dfSNaveen Nagar } 5577763c05dfSNaveen Nagar } 5578763c05dfSNaveen Nagar 5579763c05dfSNaveen Nagar return status; 558088eea45cSKlaus Jensen case NVME_COMMAND_SET_PROFILE: 558188eea45cSKlaus Jensen if (dw11 & 0x1ff) { 558288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_iocsci(dw11 & 0x1ff); 558388eea45cSKlaus Jensen return NVME_CMD_SET_CMB_REJECTED | NVME_DNR; 558488eea45cSKlaus Jensen } 558588eea45cSKlaus Jensen break; 558688eea45cSKlaus Jensen default: 558788eea45cSKlaus Jensen return NVME_FEAT_NOT_CHANGEABLE | NVME_DNR; 558888eea45cSKlaus Jensen } 558988eea45cSKlaus Jensen return NVME_SUCCESS; 559088eea45cSKlaus Jensen } 559188eea45cSKlaus Jensen 559288eea45cSKlaus Jensen static uint16_t nvme_aer(NvmeCtrl *n, NvmeRequest *req) 559388eea45cSKlaus Jensen { 559488eea45cSKlaus Jensen trace_pci_nvme_aer(nvme_cid(req)); 559588eea45cSKlaus Jensen 559688eea45cSKlaus Jensen if (n->outstanding_aers > n->params.aerl) { 559788eea45cSKlaus Jensen trace_pci_nvme_aer_aerl_exceeded(); 559888eea45cSKlaus Jensen return NVME_AER_LIMIT_EXCEEDED; 559988eea45cSKlaus Jensen } 560088eea45cSKlaus Jensen 560188eea45cSKlaus Jensen n->aer_reqs[n->outstanding_aers] = req; 560288eea45cSKlaus Jensen n->outstanding_aers++; 560388eea45cSKlaus Jensen 560488eea45cSKlaus Jensen if (!QTAILQ_EMPTY(&n->aer_queue)) { 560588eea45cSKlaus Jensen nvme_process_aers(n); 560688eea45cSKlaus Jensen } 560788eea45cSKlaus Jensen 560888eea45cSKlaus Jensen return NVME_NO_COMPLETE; 560988eea45cSKlaus Jensen } 561088eea45cSKlaus Jensen 561188eea45cSKlaus Jensen static void nvme_update_dmrsl(NvmeCtrl *n) 561288eea45cSKlaus Jensen { 561388eea45cSKlaus Jensen int nsid; 561488eea45cSKlaus Jensen 561588eea45cSKlaus Jensen for (nsid = 1; nsid <= NVME_MAX_NAMESPACES; nsid++) { 561688eea45cSKlaus Jensen NvmeNamespace *ns = nvme_ns(n, nsid); 561788eea45cSKlaus Jensen if (!ns) { 561888eea45cSKlaus Jensen continue; 561988eea45cSKlaus Jensen } 562088eea45cSKlaus Jensen 562188eea45cSKlaus Jensen n->dmrsl = MIN_NON_ZERO(n->dmrsl, 562288eea45cSKlaus Jensen BDRV_REQUEST_MAX_BYTES / nvme_l2b(ns, 1)); 562388eea45cSKlaus Jensen } 562488eea45cSKlaus Jensen } 562588eea45cSKlaus Jensen 562688eea45cSKlaus Jensen static void nvme_select_iocs_ns(NvmeCtrl *n, NvmeNamespace *ns) 562788eea45cSKlaus Jensen { 562849e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 562949e03457SKlaus Jensen 563088eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_none; 563188eea45cSKlaus Jensen switch (ns->csi) { 563288eea45cSKlaus Jensen case NVME_CSI_NVM: 563349e03457SKlaus Jensen if (NVME_CC_CSS(cc) != NVME_CC_CSS_ADMIN_ONLY) { 563488eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_nvm; 563588eea45cSKlaus Jensen } 563688eea45cSKlaus Jensen break; 563788eea45cSKlaus Jensen case NVME_CSI_ZONED: 563849e03457SKlaus Jensen if (NVME_CC_CSS(cc) == NVME_CC_CSS_CSI) { 563988eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_zoned; 564049e03457SKlaus Jensen } else if (NVME_CC_CSS(cc) == NVME_CC_CSS_NVM) { 564188eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_nvm; 564288eea45cSKlaus Jensen } 564388eea45cSKlaus Jensen break; 564488eea45cSKlaus Jensen } 564588eea45cSKlaus Jensen } 564688eea45cSKlaus Jensen 564788eea45cSKlaus Jensen static uint16_t nvme_ns_attachment(NvmeCtrl *n, NvmeRequest *req) 564888eea45cSKlaus Jensen { 564988eea45cSKlaus Jensen NvmeNamespace *ns; 565088eea45cSKlaus Jensen NvmeCtrl *ctrl; 565188eea45cSKlaus Jensen uint16_t list[NVME_CONTROLLER_LIST_SIZE] = {}; 565288eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 565388eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 565407a3dfa7SNaveen Nagar uint8_t sel = dw10 & 0xf; 565588eea45cSKlaus Jensen uint16_t *nr_ids = &list[0]; 565688eea45cSKlaus Jensen uint16_t *ids = &list[1]; 565788eea45cSKlaus Jensen uint16_t ret; 565888eea45cSKlaus Jensen int i; 565988eea45cSKlaus Jensen 566088eea45cSKlaus Jensen trace_pci_nvme_ns_attachment(nvme_cid(req), dw10 & 0xf); 566188eea45cSKlaus Jensen 566288eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 566388eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 566488eea45cSKlaus Jensen } 566588eea45cSKlaus Jensen 566688eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 566788eea45cSKlaus Jensen if (!ns) { 566888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 566988eea45cSKlaus Jensen } 567088eea45cSKlaus Jensen 567188eea45cSKlaus Jensen ret = nvme_h2c(n, (uint8_t *)list, 4096, req); 567288eea45cSKlaus Jensen if (ret) { 567388eea45cSKlaus Jensen return ret; 567488eea45cSKlaus Jensen } 567588eea45cSKlaus Jensen 567688eea45cSKlaus Jensen if (!*nr_ids) { 567788eea45cSKlaus Jensen return NVME_NS_CTRL_LIST_INVALID | NVME_DNR; 567888eea45cSKlaus Jensen } 567988eea45cSKlaus Jensen 568088eea45cSKlaus Jensen *nr_ids = MIN(*nr_ids, NVME_CONTROLLER_LIST_SIZE - 1); 568188eea45cSKlaus Jensen for (i = 0; i < *nr_ids; i++) { 568288eea45cSKlaus Jensen ctrl = nvme_subsys_ctrl(n->subsys, ids[i]); 568388eea45cSKlaus Jensen if (!ctrl) { 568488eea45cSKlaus Jensen return NVME_NS_CTRL_LIST_INVALID | NVME_DNR; 568588eea45cSKlaus Jensen } 568688eea45cSKlaus Jensen 568707a3dfa7SNaveen Nagar switch (sel) { 568807a3dfa7SNaveen Nagar case NVME_NS_ATTACHMENT_ATTACH: 568988eea45cSKlaus Jensen if (nvme_ns(ctrl, nsid)) { 569088eea45cSKlaus Jensen return NVME_NS_ALREADY_ATTACHED | NVME_DNR; 569188eea45cSKlaus Jensen } 569288eea45cSKlaus Jensen 569388eea45cSKlaus Jensen if (ns->attached && !ns->params.shared) { 569488eea45cSKlaus Jensen return NVME_NS_PRIVATE | NVME_DNR; 569588eea45cSKlaus Jensen } 569688eea45cSKlaus Jensen 569788eea45cSKlaus Jensen nvme_attach_ns(ctrl, ns); 569888eea45cSKlaus Jensen nvme_select_iocs_ns(ctrl, ns); 569907a3dfa7SNaveen Nagar 570007a3dfa7SNaveen Nagar break; 570107a3dfa7SNaveen Nagar 570207a3dfa7SNaveen Nagar case NVME_NS_ATTACHMENT_DETACH: 570388eea45cSKlaus Jensen if (!nvme_ns(ctrl, nsid)) { 570488eea45cSKlaus Jensen return NVME_NS_NOT_ATTACHED | NVME_DNR; 570588eea45cSKlaus Jensen } 570688eea45cSKlaus Jensen 570788eea45cSKlaus Jensen ctrl->namespaces[nsid] = NULL; 570888eea45cSKlaus Jensen ns->attached--; 570988eea45cSKlaus Jensen 571088eea45cSKlaus Jensen nvme_update_dmrsl(ctrl); 571107a3dfa7SNaveen Nagar 571207a3dfa7SNaveen Nagar break; 571307a3dfa7SNaveen Nagar 571407a3dfa7SNaveen Nagar default: 571507a3dfa7SNaveen Nagar return NVME_INVALID_FIELD | NVME_DNR; 571688eea45cSKlaus Jensen } 571788eea45cSKlaus Jensen 571888eea45cSKlaus Jensen /* 571988eea45cSKlaus Jensen * Add namespace id to the changed namespace id list for event clearing 572088eea45cSKlaus Jensen * via Get Log Page command. 572188eea45cSKlaus Jensen */ 572288eea45cSKlaus Jensen if (!test_and_set_bit(nsid, ctrl->changed_nsids)) { 572388eea45cSKlaus Jensen nvme_enqueue_event(ctrl, NVME_AER_TYPE_NOTICE, 572488eea45cSKlaus Jensen NVME_AER_INFO_NOTICE_NS_ATTR_CHANGED, 572588eea45cSKlaus Jensen NVME_LOG_CHANGED_NSLIST); 572688eea45cSKlaus Jensen } 572788eea45cSKlaus Jensen } 572888eea45cSKlaus Jensen 572988eea45cSKlaus Jensen return NVME_SUCCESS; 573088eea45cSKlaus Jensen } 573188eea45cSKlaus Jensen 57323bcf26d3SKlaus Jensen typedef struct NvmeFormatAIOCB { 57333bcf26d3SKlaus Jensen BlockAIOCB common; 57343bcf26d3SKlaus Jensen BlockAIOCB *aiocb; 57353bcf26d3SKlaus Jensen NvmeRequest *req; 57363bcf26d3SKlaus Jensen int ret; 573788eea45cSKlaus Jensen 57383bcf26d3SKlaus Jensen NvmeNamespace *ns; 57393bcf26d3SKlaus Jensen uint32_t nsid; 57403bcf26d3SKlaus Jensen bool broadcast; 57413bcf26d3SKlaus Jensen int64_t offset; 5742a6de6ed5SKlaus Jensen 5743a6de6ed5SKlaus Jensen uint8_t lbaf; 5744a6de6ed5SKlaus Jensen uint8_t mset; 5745a6de6ed5SKlaus Jensen uint8_t pi; 5746a6de6ed5SKlaus Jensen uint8_t pil; 57473bcf26d3SKlaus Jensen } NvmeFormatAIOCB; 57483bcf26d3SKlaus Jensen 57493bcf26d3SKlaus Jensen static void nvme_format_cancel(BlockAIOCB *aiocb) 57503bcf26d3SKlaus Jensen { 57513bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = container_of(aiocb, NvmeFormatAIOCB, common); 57523bcf26d3SKlaus Jensen 5753433c71e4SKlaus Jensen iocb->ret = -ECANCELED; 5754433c71e4SKlaus Jensen 57553bcf26d3SKlaus Jensen if (iocb->aiocb) { 57563bcf26d3SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 5757433c71e4SKlaus Jensen iocb->aiocb = NULL; 57583bcf26d3SKlaus Jensen } 57593bcf26d3SKlaus Jensen } 57603bcf26d3SKlaus Jensen 57613bcf26d3SKlaus Jensen static const AIOCBInfo nvme_format_aiocb_info = { 57623bcf26d3SKlaus Jensen .aiocb_size = sizeof(NvmeFormatAIOCB), 57633bcf26d3SKlaus Jensen .cancel_async = nvme_format_cancel, 57643bcf26d3SKlaus Jensen .get_aio_context = nvme_get_aio_context, 57653bcf26d3SKlaus Jensen }; 57663bcf26d3SKlaus Jensen 5767a6de6ed5SKlaus Jensen static void nvme_format_set(NvmeNamespace *ns, uint8_t lbaf, uint8_t mset, 5768a6de6ed5SKlaus Jensen uint8_t pi, uint8_t pil) 57693bcf26d3SKlaus Jensen { 5770763c05dfSNaveen Nagar uint8_t lbafl = lbaf & 0xf; 5771763c05dfSNaveen Nagar uint8_t lbafu = lbaf >> 4; 5772763c05dfSNaveen Nagar 57733bcf26d3SKlaus Jensen trace_pci_nvme_format_set(ns->params.nsid, lbaf, mset, pi, pil); 57743bcf26d3SKlaus Jensen 57753bcf26d3SKlaus Jensen ns->id_ns.dps = (pil << 3) | pi; 5776763c05dfSNaveen Nagar ns->id_ns.flbas = (lbafu << 5) | (mset << 4) | lbafl; 57773bcf26d3SKlaus Jensen 57783bcf26d3SKlaus Jensen nvme_ns_init_format(ns); 57793bcf26d3SKlaus Jensen } 57803bcf26d3SKlaus Jensen 5781433c71e4SKlaus Jensen static void nvme_do_format(NvmeFormatAIOCB *iocb); 5782433c71e4SKlaus Jensen 57833bcf26d3SKlaus Jensen static void nvme_format_ns_cb(void *opaque, int ret) 57843bcf26d3SKlaus Jensen { 57853bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = opaque; 57863bcf26d3SKlaus Jensen NvmeNamespace *ns = iocb->ns; 57873bcf26d3SKlaus Jensen int bytes; 57883bcf26d3SKlaus Jensen 5789433c71e4SKlaus Jensen if (iocb->ret < 0) { 5790433c71e4SKlaus Jensen goto done; 5791433c71e4SKlaus Jensen } else if (ret < 0) { 57923bcf26d3SKlaus Jensen iocb->ret = ret; 57933bcf26d3SKlaus Jensen goto done; 57943bcf26d3SKlaus Jensen } 57953bcf26d3SKlaus Jensen 57963bcf26d3SKlaus Jensen assert(ns); 57973bcf26d3SKlaus Jensen 57983bcf26d3SKlaus Jensen if (iocb->offset < ns->size) { 57993bcf26d3SKlaus Jensen bytes = MIN(BDRV_REQUEST_MAX_BYTES, ns->size - iocb->offset); 58003bcf26d3SKlaus Jensen 58013bcf26d3SKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, iocb->offset, 58023bcf26d3SKlaus Jensen bytes, BDRV_REQ_MAY_UNMAP, 58033bcf26d3SKlaus Jensen nvme_format_ns_cb, iocb); 58043bcf26d3SKlaus Jensen 58053bcf26d3SKlaus Jensen iocb->offset += bytes; 58063bcf26d3SKlaus Jensen return; 58073bcf26d3SKlaus Jensen } 58083bcf26d3SKlaus Jensen 5809a6de6ed5SKlaus Jensen nvme_format_set(ns, iocb->lbaf, iocb->mset, iocb->pi, iocb->pil); 58103bcf26d3SKlaus Jensen ns->status = 0x0; 58113bcf26d3SKlaus Jensen iocb->ns = NULL; 58123bcf26d3SKlaus Jensen iocb->offset = 0; 58133bcf26d3SKlaus Jensen 58143bcf26d3SKlaus Jensen done: 5815433c71e4SKlaus Jensen nvme_do_format(iocb); 58163bcf26d3SKlaus Jensen } 58173bcf26d3SKlaus Jensen 58183bcf26d3SKlaus Jensen static uint16_t nvme_format_check(NvmeNamespace *ns, uint8_t lbaf, uint8_t pi) 58193bcf26d3SKlaus Jensen { 582088eea45cSKlaus Jensen if (ns->params.zoned) { 582188eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 582288eea45cSKlaus Jensen } 582388eea45cSKlaus Jensen 582488eea45cSKlaus Jensen if (lbaf > ns->id_ns.nlbaf) { 582588eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 582688eea45cSKlaus Jensen } 582788eea45cSKlaus Jensen 5828ac0b34c5SKlaus Jensen if (pi && (ns->id_ns.lbaf[lbaf].ms < nvme_pi_tuple_size(ns))) { 582988eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 583088eea45cSKlaus Jensen } 583188eea45cSKlaus Jensen 583288eea45cSKlaus Jensen if (pi && pi > NVME_ID_NS_DPS_TYPE_3) { 583388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 583488eea45cSKlaus Jensen } 583588eea45cSKlaus Jensen 583688eea45cSKlaus Jensen return NVME_SUCCESS; 583788eea45cSKlaus Jensen } 583888eea45cSKlaus Jensen 5839433c71e4SKlaus Jensen static void nvme_do_format(NvmeFormatAIOCB *iocb) 584088eea45cSKlaus Jensen { 58413bcf26d3SKlaus Jensen NvmeRequest *req = iocb->req; 58423bcf26d3SKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 584344219b60SNaveen Nagar uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 584444219b60SNaveen Nagar uint8_t lbaf = dw10 & 0xf; 584544219b60SNaveen Nagar uint8_t pi = (dw10 >> 5) & 0x7; 584688eea45cSKlaus Jensen uint16_t status; 584788eea45cSKlaus Jensen int i; 584888eea45cSKlaus Jensen 58493bcf26d3SKlaus Jensen if (iocb->ret < 0) { 58503bcf26d3SKlaus Jensen goto done; 585188eea45cSKlaus Jensen } 585288eea45cSKlaus Jensen 58533bcf26d3SKlaus Jensen if (iocb->broadcast) { 58543bcf26d3SKlaus Jensen for (i = iocb->nsid + 1; i <= NVME_MAX_NAMESPACES; i++) { 58553bcf26d3SKlaus Jensen iocb->ns = nvme_ns(n, i); 58563bcf26d3SKlaus Jensen if (iocb->ns) { 58573bcf26d3SKlaus Jensen iocb->nsid = i; 585888eea45cSKlaus Jensen break; 585988eea45cSKlaus Jensen } 586088eea45cSKlaus Jensen } 586188eea45cSKlaus Jensen } 586288eea45cSKlaus Jensen 58633bcf26d3SKlaus Jensen if (!iocb->ns) { 58643bcf26d3SKlaus Jensen goto done; 586588eea45cSKlaus Jensen } 586688eea45cSKlaus Jensen 586744219b60SNaveen Nagar status = nvme_format_check(iocb->ns, lbaf, pi); 58683bcf26d3SKlaus Jensen if (status) { 58693bcf26d3SKlaus Jensen req->status = status; 58703bcf26d3SKlaus Jensen goto done; 58713bcf26d3SKlaus Jensen } 58723bcf26d3SKlaus Jensen 58733bcf26d3SKlaus Jensen iocb->ns->status = NVME_FORMAT_IN_PROGRESS; 58743bcf26d3SKlaus Jensen nvme_format_ns_cb(iocb, 0); 58753bcf26d3SKlaus Jensen return; 58763bcf26d3SKlaus Jensen 58773bcf26d3SKlaus Jensen done: 58783bcf26d3SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 58793bcf26d3SKlaus Jensen qemu_aio_unref(iocb); 58803bcf26d3SKlaus Jensen } 58813bcf26d3SKlaus Jensen 58823bcf26d3SKlaus Jensen static uint16_t nvme_format(NvmeCtrl *n, NvmeRequest *req) 58833bcf26d3SKlaus Jensen { 58843bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb; 58853bcf26d3SKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 5886a6de6ed5SKlaus Jensen uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 5887a6de6ed5SKlaus Jensen uint8_t lbaf = dw10 & 0xf; 5888a6de6ed5SKlaus Jensen uint8_t mset = (dw10 >> 4) & 0x1; 5889a6de6ed5SKlaus Jensen uint8_t pi = (dw10 >> 5) & 0x7; 5890a6de6ed5SKlaus Jensen uint8_t pil = (dw10 >> 8) & 0x1; 5891763c05dfSNaveen Nagar uint8_t lbafu = (dw10 >> 12) & 0x3; 58923bcf26d3SKlaus Jensen uint16_t status; 58933bcf26d3SKlaus Jensen 58943bcf26d3SKlaus Jensen iocb = qemu_aio_get(&nvme_format_aiocb_info, NULL, nvme_misc_cb, req); 58953bcf26d3SKlaus Jensen 58963bcf26d3SKlaus Jensen iocb->req = req; 58973bcf26d3SKlaus Jensen iocb->ret = 0; 58983bcf26d3SKlaus Jensen iocb->ns = NULL; 58993bcf26d3SKlaus Jensen iocb->nsid = 0; 5900a6de6ed5SKlaus Jensen iocb->lbaf = lbaf; 5901a6de6ed5SKlaus Jensen iocb->mset = mset; 5902a6de6ed5SKlaus Jensen iocb->pi = pi; 5903a6de6ed5SKlaus Jensen iocb->pil = pil; 59043bcf26d3SKlaus Jensen iocb->broadcast = (nsid == NVME_NSID_BROADCAST); 59053bcf26d3SKlaus Jensen iocb->offset = 0; 59063bcf26d3SKlaus Jensen 5907763c05dfSNaveen Nagar if (n->features.hbs.lbafee) { 5908763c05dfSNaveen Nagar iocb->lbaf |= lbafu << 4; 5909763c05dfSNaveen Nagar } 5910763c05dfSNaveen Nagar 59113bcf26d3SKlaus Jensen if (!iocb->broadcast) { 59123bcf26d3SKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 59133bcf26d3SKlaus Jensen status = NVME_INVALID_NSID | NVME_DNR; 59143bcf26d3SKlaus Jensen goto out; 59153bcf26d3SKlaus Jensen } 59163bcf26d3SKlaus Jensen 59173bcf26d3SKlaus Jensen iocb->ns = nvme_ns(n, nsid); 59183bcf26d3SKlaus Jensen if (!iocb->ns) { 59193bcf26d3SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 59203bcf26d3SKlaus Jensen goto out; 59213bcf26d3SKlaus Jensen } 59223bcf26d3SKlaus Jensen } 59233bcf26d3SKlaus Jensen 59243bcf26d3SKlaus Jensen req->aiocb = &iocb->common; 5925433c71e4SKlaus Jensen nvme_do_format(iocb); 59263bcf26d3SKlaus Jensen 59273bcf26d3SKlaus Jensen return NVME_NO_COMPLETE; 59283bcf26d3SKlaus Jensen 59293bcf26d3SKlaus Jensen out: 59303bcf26d3SKlaus Jensen qemu_aio_unref(iocb); 5931433c71e4SKlaus Jensen 59323bcf26d3SKlaus Jensen return status; 593388eea45cSKlaus Jensen } 593488eea45cSKlaus Jensen 593511871f53SŁukasz Gieryk static void nvme_get_virt_res_num(NvmeCtrl *n, uint8_t rt, int *num_total, 593611871f53SŁukasz Gieryk int *num_prim, int *num_sec) 593711871f53SŁukasz Gieryk { 593811871f53SŁukasz Gieryk *num_total = le32_to_cpu(rt ? 593911871f53SŁukasz Gieryk n->pri_ctrl_cap.vifrt : n->pri_ctrl_cap.vqfrt); 594011871f53SŁukasz Gieryk *num_prim = le16_to_cpu(rt ? 594111871f53SŁukasz Gieryk n->pri_ctrl_cap.virfap : n->pri_ctrl_cap.vqrfap); 594211871f53SŁukasz Gieryk *num_sec = le16_to_cpu(rt ? n->pri_ctrl_cap.virfa : n->pri_ctrl_cap.vqrfa); 594311871f53SŁukasz Gieryk } 594411871f53SŁukasz Gieryk 594511871f53SŁukasz Gieryk static uint16_t nvme_assign_virt_res_to_prim(NvmeCtrl *n, NvmeRequest *req, 594611871f53SŁukasz Gieryk uint16_t cntlid, uint8_t rt, 594711871f53SŁukasz Gieryk int nr) 594811871f53SŁukasz Gieryk { 594911871f53SŁukasz Gieryk int num_total, num_prim, num_sec; 595011871f53SŁukasz Gieryk 595111871f53SŁukasz Gieryk if (cntlid != n->cntlid) { 595211871f53SŁukasz Gieryk return NVME_INVALID_CTRL_ID | NVME_DNR; 595311871f53SŁukasz Gieryk } 595411871f53SŁukasz Gieryk 595511871f53SŁukasz Gieryk nvme_get_virt_res_num(n, rt, &num_total, &num_prim, &num_sec); 595611871f53SŁukasz Gieryk 595711871f53SŁukasz Gieryk if (nr > num_total) { 595811871f53SŁukasz Gieryk return NVME_INVALID_NUM_RESOURCES | NVME_DNR; 595911871f53SŁukasz Gieryk } 596011871f53SŁukasz Gieryk 596111871f53SŁukasz Gieryk if (nr > num_total - num_sec) { 596211871f53SŁukasz Gieryk return NVME_INVALID_RESOURCE_ID | NVME_DNR; 596311871f53SŁukasz Gieryk } 596411871f53SŁukasz Gieryk 596511871f53SŁukasz Gieryk if (rt) { 596611871f53SŁukasz Gieryk n->next_pri_ctrl_cap.virfap = cpu_to_le16(nr); 596711871f53SŁukasz Gieryk } else { 596811871f53SŁukasz Gieryk n->next_pri_ctrl_cap.vqrfap = cpu_to_le16(nr); 596911871f53SŁukasz Gieryk } 597011871f53SŁukasz Gieryk 597111871f53SŁukasz Gieryk req->cqe.result = cpu_to_le32(nr); 597211871f53SŁukasz Gieryk return req->status; 597311871f53SŁukasz Gieryk } 597411871f53SŁukasz Gieryk 597511871f53SŁukasz Gieryk static void nvme_update_virt_res(NvmeCtrl *n, NvmeSecCtrlEntry *sctrl, 597611871f53SŁukasz Gieryk uint8_t rt, int nr) 597711871f53SŁukasz Gieryk { 597811871f53SŁukasz Gieryk int prev_nr, prev_total; 597911871f53SŁukasz Gieryk 598011871f53SŁukasz Gieryk if (rt) { 598111871f53SŁukasz Gieryk prev_nr = le16_to_cpu(sctrl->nvi); 598211871f53SŁukasz Gieryk prev_total = le32_to_cpu(n->pri_ctrl_cap.virfa); 598311871f53SŁukasz Gieryk sctrl->nvi = cpu_to_le16(nr); 598411871f53SŁukasz Gieryk n->pri_ctrl_cap.virfa = cpu_to_le32(prev_total + nr - prev_nr); 598511871f53SŁukasz Gieryk } else { 598611871f53SŁukasz Gieryk prev_nr = le16_to_cpu(sctrl->nvq); 598711871f53SŁukasz Gieryk prev_total = le32_to_cpu(n->pri_ctrl_cap.vqrfa); 598811871f53SŁukasz Gieryk sctrl->nvq = cpu_to_le16(nr); 598911871f53SŁukasz Gieryk n->pri_ctrl_cap.vqrfa = cpu_to_le32(prev_total + nr - prev_nr); 599011871f53SŁukasz Gieryk } 599111871f53SŁukasz Gieryk } 599211871f53SŁukasz Gieryk 599311871f53SŁukasz Gieryk static uint16_t nvme_assign_virt_res_to_sec(NvmeCtrl *n, NvmeRequest *req, 599411871f53SŁukasz Gieryk uint16_t cntlid, uint8_t rt, int nr) 599511871f53SŁukasz Gieryk { 599611871f53SŁukasz Gieryk int num_total, num_prim, num_sec, num_free, diff, limit; 599711871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl; 599811871f53SŁukasz Gieryk 599911871f53SŁukasz Gieryk sctrl = nvme_sctrl_for_cntlid(n, cntlid); 600011871f53SŁukasz Gieryk if (!sctrl) { 600111871f53SŁukasz Gieryk return NVME_INVALID_CTRL_ID | NVME_DNR; 600211871f53SŁukasz Gieryk } 600311871f53SŁukasz Gieryk 600411871f53SŁukasz Gieryk if (sctrl->scs) { 600511871f53SŁukasz Gieryk return NVME_INVALID_SEC_CTRL_STATE | NVME_DNR; 600611871f53SŁukasz Gieryk } 600711871f53SŁukasz Gieryk 600811871f53SŁukasz Gieryk limit = le16_to_cpu(rt ? n->pri_ctrl_cap.vifrsm : n->pri_ctrl_cap.vqfrsm); 600911871f53SŁukasz Gieryk if (nr > limit) { 601011871f53SŁukasz Gieryk return NVME_INVALID_NUM_RESOURCES | NVME_DNR; 601111871f53SŁukasz Gieryk } 601211871f53SŁukasz Gieryk 601311871f53SŁukasz Gieryk nvme_get_virt_res_num(n, rt, &num_total, &num_prim, &num_sec); 601411871f53SŁukasz Gieryk num_free = num_total - num_prim - num_sec; 601511871f53SŁukasz Gieryk diff = nr - le16_to_cpu(rt ? sctrl->nvi : sctrl->nvq); 601611871f53SŁukasz Gieryk 601711871f53SŁukasz Gieryk if (diff > num_free) { 601811871f53SŁukasz Gieryk return NVME_INVALID_RESOURCE_ID | NVME_DNR; 601911871f53SŁukasz Gieryk } 602011871f53SŁukasz Gieryk 602111871f53SŁukasz Gieryk nvme_update_virt_res(n, sctrl, rt, nr); 602211871f53SŁukasz Gieryk req->cqe.result = cpu_to_le32(nr); 602311871f53SŁukasz Gieryk 602411871f53SŁukasz Gieryk return req->status; 602511871f53SŁukasz Gieryk } 602611871f53SŁukasz Gieryk 602711871f53SŁukasz Gieryk static uint16_t nvme_virt_set_state(NvmeCtrl *n, uint16_t cntlid, bool online) 602811871f53SŁukasz Gieryk { 602911871f53SŁukasz Gieryk NvmeCtrl *sn = NULL; 603011871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl; 603111871f53SŁukasz Gieryk int vf_index; 603211871f53SŁukasz Gieryk 603311871f53SŁukasz Gieryk sctrl = nvme_sctrl_for_cntlid(n, cntlid); 603411871f53SŁukasz Gieryk if (!sctrl) { 603511871f53SŁukasz Gieryk return NVME_INVALID_CTRL_ID | NVME_DNR; 603611871f53SŁukasz Gieryk } 603711871f53SŁukasz Gieryk 603811871f53SŁukasz Gieryk if (!pci_is_vf(&n->parent_obj)) { 603911871f53SŁukasz Gieryk vf_index = le16_to_cpu(sctrl->vfn) - 1; 604011871f53SŁukasz Gieryk sn = NVME(pcie_sriov_get_vf_at_index(&n->parent_obj, vf_index)); 604111871f53SŁukasz Gieryk } 604211871f53SŁukasz Gieryk 604311871f53SŁukasz Gieryk if (online) { 604411871f53SŁukasz Gieryk if (!sctrl->nvi || (le16_to_cpu(sctrl->nvq) < 2) || !sn) { 604511871f53SŁukasz Gieryk return NVME_INVALID_SEC_CTRL_STATE | NVME_DNR; 604611871f53SŁukasz Gieryk } 604711871f53SŁukasz Gieryk 604811871f53SŁukasz Gieryk if (!sctrl->scs) { 604911871f53SŁukasz Gieryk sctrl->scs = 0x1; 605011871f53SŁukasz Gieryk nvme_ctrl_reset(sn, NVME_RESET_FUNCTION); 605111871f53SŁukasz Gieryk } 605211871f53SŁukasz Gieryk } else { 605311871f53SŁukasz Gieryk nvme_update_virt_res(n, sctrl, NVME_VIRT_RES_INTERRUPT, 0); 605411871f53SŁukasz Gieryk nvme_update_virt_res(n, sctrl, NVME_VIRT_RES_QUEUE, 0); 605511871f53SŁukasz Gieryk 605611871f53SŁukasz Gieryk if (sctrl->scs) { 605711871f53SŁukasz Gieryk sctrl->scs = 0x0; 605811871f53SŁukasz Gieryk if (sn) { 605911871f53SŁukasz Gieryk nvme_ctrl_reset(sn, NVME_RESET_FUNCTION); 606011871f53SŁukasz Gieryk } 606111871f53SŁukasz Gieryk } 606211871f53SŁukasz Gieryk } 606311871f53SŁukasz Gieryk 606411871f53SŁukasz Gieryk return NVME_SUCCESS; 606511871f53SŁukasz Gieryk } 606611871f53SŁukasz Gieryk 606711871f53SŁukasz Gieryk static uint16_t nvme_virt_mngmt(NvmeCtrl *n, NvmeRequest *req) 606811871f53SŁukasz Gieryk { 606911871f53SŁukasz Gieryk uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 607011871f53SŁukasz Gieryk uint32_t dw11 = le32_to_cpu(req->cmd.cdw11); 607111871f53SŁukasz Gieryk uint8_t act = dw10 & 0xf; 607211871f53SŁukasz Gieryk uint8_t rt = (dw10 >> 8) & 0x7; 607311871f53SŁukasz Gieryk uint16_t cntlid = (dw10 >> 16) & 0xffff; 607411871f53SŁukasz Gieryk int nr = dw11 & 0xffff; 607511871f53SŁukasz Gieryk 607611871f53SŁukasz Gieryk trace_pci_nvme_virt_mngmt(nvme_cid(req), act, cntlid, rt ? "VI" : "VQ", nr); 607711871f53SŁukasz Gieryk 607811871f53SŁukasz Gieryk if (rt != NVME_VIRT_RES_QUEUE && rt != NVME_VIRT_RES_INTERRUPT) { 607911871f53SŁukasz Gieryk return NVME_INVALID_RESOURCE_ID | NVME_DNR; 608011871f53SŁukasz Gieryk } 608111871f53SŁukasz Gieryk 608211871f53SŁukasz Gieryk switch (act) { 608311871f53SŁukasz Gieryk case NVME_VIRT_MNGMT_ACTION_SEC_ASSIGN: 608411871f53SŁukasz Gieryk return nvme_assign_virt_res_to_sec(n, req, cntlid, rt, nr); 608511871f53SŁukasz Gieryk case NVME_VIRT_MNGMT_ACTION_PRM_ALLOC: 608611871f53SŁukasz Gieryk return nvme_assign_virt_res_to_prim(n, req, cntlid, rt, nr); 608711871f53SŁukasz Gieryk case NVME_VIRT_MNGMT_ACTION_SEC_ONLINE: 608811871f53SŁukasz Gieryk return nvme_virt_set_state(n, cntlid, true); 608911871f53SŁukasz Gieryk case NVME_VIRT_MNGMT_ACTION_SEC_OFFLINE: 609011871f53SŁukasz Gieryk return nvme_virt_set_state(n, cntlid, false); 609111871f53SŁukasz Gieryk default: 609211871f53SŁukasz Gieryk return NVME_INVALID_FIELD | NVME_DNR; 609311871f53SŁukasz Gieryk } 609411871f53SŁukasz Gieryk } 609511871f53SŁukasz Gieryk 60963f7fe8deSJinhao Fan static uint16_t nvme_dbbuf_config(NvmeCtrl *n, const NvmeRequest *req) 60973f7fe8deSJinhao Fan { 60983f7fe8deSJinhao Fan uint64_t dbs_addr = le64_to_cpu(req->cmd.dptr.prp1); 60993f7fe8deSJinhao Fan uint64_t eis_addr = le64_to_cpu(req->cmd.dptr.prp2); 61003f7fe8deSJinhao Fan int i; 61013f7fe8deSJinhao Fan 61023f7fe8deSJinhao Fan /* Address should be page aligned */ 61033f7fe8deSJinhao Fan if (dbs_addr & (n->page_size - 1) || eis_addr & (n->page_size - 1)) { 61043f7fe8deSJinhao Fan return NVME_INVALID_FIELD | NVME_DNR; 61053f7fe8deSJinhao Fan } 61063f7fe8deSJinhao Fan 61073f7fe8deSJinhao Fan /* Save shadow buffer base addr for use during queue creation */ 61083f7fe8deSJinhao Fan n->dbbuf_dbs = dbs_addr; 61093f7fe8deSJinhao Fan n->dbbuf_eis = eis_addr; 61103f7fe8deSJinhao Fan n->dbbuf_enabled = true; 61113f7fe8deSJinhao Fan 61123f7fe8deSJinhao Fan for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 61133f7fe8deSJinhao Fan NvmeSQueue *sq = n->sq[i]; 61143f7fe8deSJinhao Fan NvmeCQueue *cq = n->cq[i]; 61153f7fe8deSJinhao Fan 61163f7fe8deSJinhao Fan if (sq) { 61173f7fe8deSJinhao Fan /* 61183f7fe8deSJinhao Fan * CAP.DSTRD is 0, so offset of ith sq db_addr is (i<<3) 61193f7fe8deSJinhao Fan * nvme_process_db() uses this hard-coded way to calculate 61203f7fe8deSJinhao Fan * doorbell offsets. Be consistent with that here. 61213f7fe8deSJinhao Fan */ 61223f7fe8deSJinhao Fan sq->db_addr = dbs_addr + (i << 3); 61233f7fe8deSJinhao Fan sq->ei_addr = eis_addr + (i << 3); 61243f7fe8deSJinhao Fan pci_dma_write(&n->parent_obj, sq->db_addr, &sq->tail, 61253f7fe8deSJinhao Fan sizeof(sq->tail)); 61262e53b0b4SJinhao Fan 61272e53b0b4SJinhao Fan if (n->params.ioeventfd && sq->sqid != 0) { 61282e53b0b4SJinhao Fan if (!nvme_init_sq_ioeventfd(sq)) { 61292e53b0b4SJinhao Fan sq->ioeventfd_enabled = true; 61302e53b0b4SJinhao Fan } 61312e53b0b4SJinhao Fan } 61323f7fe8deSJinhao Fan } 61333f7fe8deSJinhao Fan 61343f7fe8deSJinhao Fan if (cq) { 61353f7fe8deSJinhao Fan /* CAP.DSTRD is 0, so offset of ith cq db_addr is (i<<3)+(1<<2) */ 61363f7fe8deSJinhao Fan cq->db_addr = dbs_addr + (i << 3) + (1 << 2); 61373f7fe8deSJinhao Fan cq->ei_addr = eis_addr + (i << 3) + (1 << 2); 61383f7fe8deSJinhao Fan pci_dma_write(&n->parent_obj, cq->db_addr, &cq->head, 61393f7fe8deSJinhao Fan sizeof(cq->head)); 61402e53b0b4SJinhao Fan 61412e53b0b4SJinhao Fan if (n->params.ioeventfd && cq->cqid != 0) { 61422e53b0b4SJinhao Fan if (!nvme_init_cq_ioeventfd(cq)) { 61432e53b0b4SJinhao Fan cq->ioeventfd_enabled = true; 61442e53b0b4SJinhao Fan } 61452e53b0b4SJinhao Fan } 61463f7fe8deSJinhao Fan } 61473f7fe8deSJinhao Fan } 61483f7fe8deSJinhao Fan 6149387350d5SJinhao Fan trace_pci_nvme_dbbuf_config(dbs_addr, eis_addr); 6150387350d5SJinhao Fan 61513f7fe8deSJinhao Fan return NVME_SUCCESS; 61523f7fe8deSJinhao Fan } 61533f7fe8deSJinhao Fan 615488eea45cSKlaus Jensen static uint16_t nvme_admin_cmd(NvmeCtrl *n, NvmeRequest *req) 615588eea45cSKlaus Jensen { 615688eea45cSKlaus Jensen trace_pci_nvme_admin_cmd(nvme_cid(req), nvme_sqid(req), req->cmd.opcode, 615788eea45cSKlaus Jensen nvme_adm_opc_str(req->cmd.opcode)); 615888eea45cSKlaus Jensen 615988eea45cSKlaus Jensen if (!(nvme_cse_acs[req->cmd.opcode] & NVME_CMD_EFF_CSUPP)) { 616088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_admin_opc(req->cmd.opcode); 616188eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 616288eea45cSKlaus Jensen } 616388eea45cSKlaus Jensen 616488eea45cSKlaus Jensen /* SGLs shall not be used for Admin commands in NVMe over PCIe */ 616588eea45cSKlaus Jensen if (NVME_CMD_FLAGS_PSDT(req->cmd.flags) != NVME_PSDT_PRP) { 616688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 616788eea45cSKlaus Jensen } 616888eea45cSKlaus Jensen 6169c53a9a91SPankaj Raghav if (NVME_CMD_FLAGS_FUSE(req->cmd.flags)) { 6170c53a9a91SPankaj Raghav return NVME_INVALID_FIELD; 6171c53a9a91SPankaj Raghav } 6172c53a9a91SPankaj Raghav 617388eea45cSKlaus Jensen switch (req->cmd.opcode) { 617488eea45cSKlaus Jensen case NVME_ADM_CMD_DELETE_SQ: 617588eea45cSKlaus Jensen return nvme_del_sq(n, req); 617688eea45cSKlaus Jensen case NVME_ADM_CMD_CREATE_SQ: 617788eea45cSKlaus Jensen return nvme_create_sq(n, req); 617888eea45cSKlaus Jensen case NVME_ADM_CMD_GET_LOG_PAGE: 617988eea45cSKlaus Jensen return nvme_get_log(n, req); 618088eea45cSKlaus Jensen case NVME_ADM_CMD_DELETE_CQ: 618188eea45cSKlaus Jensen return nvme_del_cq(n, req); 618288eea45cSKlaus Jensen case NVME_ADM_CMD_CREATE_CQ: 618388eea45cSKlaus Jensen return nvme_create_cq(n, req); 618488eea45cSKlaus Jensen case NVME_ADM_CMD_IDENTIFY: 618588eea45cSKlaus Jensen return nvme_identify(n, req); 618688eea45cSKlaus Jensen case NVME_ADM_CMD_ABORT: 618788eea45cSKlaus Jensen return nvme_abort(n, req); 618888eea45cSKlaus Jensen case NVME_ADM_CMD_SET_FEATURES: 618988eea45cSKlaus Jensen return nvme_set_feature(n, req); 619088eea45cSKlaus Jensen case NVME_ADM_CMD_GET_FEATURES: 619188eea45cSKlaus Jensen return nvme_get_feature(n, req); 619288eea45cSKlaus Jensen case NVME_ADM_CMD_ASYNC_EV_REQ: 619388eea45cSKlaus Jensen return nvme_aer(n, req); 619488eea45cSKlaus Jensen case NVME_ADM_CMD_NS_ATTACHMENT: 619588eea45cSKlaus Jensen return nvme_ns_attachment(n, req); 619611871f53SŁukasz Gieryk case NVME_ADM_CMD_VIRT_MNGMT: 619711871f53SŁukasz Gieryk return nvme_virt_mngmt(n, req); 61983f7fe8deSJinhao Fan case NVME_ADM_CMD_DBBUF_CONFIG: 61993f7fe8deSJinhao Fan return nvme_dbbuf_config(n, req); 620088eea45cSKlaus Jensen case NVME_ADM_CMD_FORMAT_NVM: 620188eea45cSKlaus Jensen return nvme_format(n, req); 620288eea45cSKlaus Jensen default: 620388eea45cSKlaus Jensen assert(false); 620488eea45cSKlaus Jensen } 620588eea45cSKlaus Jensen 620688eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 620788eea45cSKlaus Jensen } 620888eea45cSKlaus Jensen 62093f7fe8deSJinhao Fan static void nvme_update_sq_eventidx(const NvmeSQueue *sq) 62103f7fe8deSJinhao Fan { 62113f7fe8deSJinhao Fan pci_dma_write(&sq->ctrl->parent_obj, sq->ei_addr, &sq->tail, 62123f7fe8deSJinhao Fan sizeof(sq->tail)); 6213387350d5SJinhao Fan trace_pci_nvme_eventidx_sq(sq->sqid, sq->tail); 62143f7fe8deSJinhao Fan } 62153f7fe8deSJinhao Fan 62163f7fe8deSJinhao Fan static void nvme_update_sq_tail(NvmeSQueue *sq) 62173f7fe8deSJinhao Fan { 62183f7fe8deSJinhao Fan pci_dma_read(&sq->ctrl->parent_obj, sq->db_addr, &sq->tail, 62193f7fe8deSJinhao Fan sizeof(sq->tail)); 6220387350d5SJinhao Fan trace_pci_nvme_shadow_doorbell_sq(sq->sqid, sq->tail); 62213f7fe8deSJinhao Fan } 62223f7fe8deSJinhao Fan 622388eea45cSKlaus Jensen static void nvme_process_sq(void *opaque) 622488eea45cSKlaus Jensen { 622588eea45cSKlaus Jensen NvmeSQueue *sq = opaque; 622688eea45cSKlaus Jensen NvmeCtrl *n = sq->ctrl; 622788eea45cSKlaus Jensen NvmeCQueue *cq = n->cq[sq->cqid]; 622888eea45cSKlaus Jensen 622988eea45cSKlaus Jensen uint16_t status; 623088eea45cSKlaus Jensen hwaddr addr; 623188eea45cSKlaus Jensen NvmeCmd cmd; 623288eea45cSKlaus Jensen NvmeRequest *req; 623388eea45cSKlaus Jensen 62343f7fe8deSJinhao Fan if (n->dbbuf_enabled) { 62353f7fe8deSJinhao Fan nvme_update_sq_tail(sq); 62363f7fe8deSJinhao Fan } 62373f7fe8deSJinhao Fan 623888eea45cSKlaus Jensen while (!(nvme_sq_empty(sq) || QTAILQ_EMPTY(&sq->req_list))) { 623988eea45cSKlaus Jensen addr = sq->dma_addr + sq->head * n->sqe_size; 624088eea45cSKlaus Jensen if (nvme_addr_read(n, addr, (void *)&cmd, sizeof(cmd))) { 624188eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 624288eea45cSKlaus Jensen trace_pci_nvme_err_cfs(); 624349e03457SKlaus Jensen stl_le_p(&n->bar.csts, NVME_CSTS_FAILED); 624488eea45cSKlaus Jensen break; 624588eea45cSKlaus Jensen } 624688eea45cSKlaus Jensen nvme_inc_sq_head(sq); 624788eea45cSKlaus Jensen 624888eea45cSKlaus Jensen req = QTAILQ_FIRST(&sq->req_list); 624988eea45cSKlaus Jensen QTAILQ_REMOVE(&sq->req_list, req, entry); 625088eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->out_req_list, req, entry); 625188eea45cSKlaus Jensen nvme_req_clear(req); 625288eea45cSKlaus Jensen req->cqe.cid = cmd.cid; 625388eea45cSKlaus Jensen memcpy(&req->cmd, &cmd, sizeof(NvmeCmd)); 625488eea45cSKlaus Jensen 625588eea45cSKlaus Jensen status = sq->sqid ? nvme_io_cmd(n, req) : 625688eea45cSKlaus Jensen nvme_admin_cmd(n, req); 625788eea45cSKlaus Jensen if (status != NVME_NO_COMPLETE) { 625888eea45cSKlaus Jensen req->status = status; 625988eea45cSKlaus Jensen nvme_enqueue_req_completion(cq, req); 626088eea45cSKlaus Jensen } 62613f7fe8deSJinhao Fan 62623f7fe8deSJinhao Fan if (n->dbbuf_enabled) { 62633f7fe8deSJinhao Fan nvme_update_sq_eventidx(sq); 62643f7fe8deSJinhao Fan nvme_update_sq_tail(sq); 62653f7fe8deSJinhao Fan } 626688eea45cSKlaus Jensen } 626788eea45cSKlaus Jensen } 626888eea45cSKlaus Jensen 6269decc0261SŁukasz Gieryk static void nvme_update_msixcap_ts(PCIDevice *pci_dev, uint32_t table_size) 6270decc0261SŁukasz Gieryk { 6271decc0261SŁukasz Gieryk uint8_t *config; 6272decc0261SŁukasz Gieryk 6273decc0261SŁukasz Gieryk if (!msix_present(pci_dev)) { 6274decc0261SŁukasz Gieryk return; 6275decc0261SŁukasz Gieryk } 6276decc0261SŁukasz Gieryk 6277decc0261SŁukasz Gieryk assert(table_size > 0 && table_size <= pci_dev->msix_entries_nr); 6278decc0261SŁukasz Gieryk 6279decc0261SŁukasz Gieryk config = pci_dev->config + pci_dev->msix_cap; 6280decc0261SŁukasz Gieryk pci_set_word_by_mask(config + PCI_MSIX_FLAGS, PCI_MSIX_FLAGS_QSIZE, 6281decc0261SŁukasz Gieryk table_size - 1); 6282decc0261SŁukasz Gieryk } 6283decc0261SŁukasz Gieryk 628411871f53SŁukasz Gieryk static void nvme_activate_virt_res(NvmeCtrl *n) 628511871f53SŁukasz Gieryk { 628611871f53SŁukasz Gieryk PCIDevice *pci_dev = &n->parent_obj; 628711871f53SŁukasz Gieryk NvmePriCtrlCap *cap = &n->pri_ctrl_cap; 628811871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl; 628911871f53SŁukasz Gieryk 629011871f53SŁukasz Gieryk /* -1 to account for the admin queue */ 629111871f53SŁukasz Gieryk if (pci_is_vf(pci_dev)) { 629211871f53SŁukasz Gieryk sctrl = nvme_sctrl(n); 629311871f53SŁukasz Gieryk cap->vqprt = sctrl->nvq; 629411871f53SŁukasz Gieryk cap->viprt = sctrl->nvi; 629511871f53SŁukasz Gieryk n->conf_ioqpairs = sctrl->nvq ? le16_to_cpu(sctrl->nvq) - 1 : 0; 629611871f53SŁukasz Gieryk n->conf_msix_qsize = sctrl->nvi ? le16_to_cpu(sctrl->nvi) : 1; 629711871f53SŁukasz Gieryk } else { 629811871f53SŁukasz Gieryk cap->vqrfap = n->next_pri_ctrl_cap.vqrfap; 629911871f53SŁukasz Gieryk cap->virfap = n->next_pri_ctrl_cap.virfap; 630011871f53SŁukasz Gieryk n->conf_ioqpairs = le16_to_cpu(cap->vqprt) + 630111871f53SŁukasz Gieryk le16_to_cpu(cap->vqrfap) - 1; 630211871f53SŁukasz Gieryk n->conf_msix_qsize = le16_to_cpu(cap->viprt) + 630311871f53SŁukasz Gieryk le16_to_cpu(cap->virfap); 630411871f53SŁukasz Gieryk } 630511871f53SŁukasz Gieryk } 630611871f53SŁukasz Gieryk 63071e9c685eSŁukasz Gieryk static void nvme_ctrl_reset(NvmeCtrl *n, NvmeResetType rst) 630888eea45cSKlaus Jensen { 6309decc0261SŁukasz Gieryk PCIDevice *pci_dev = &n->parent_obj; 631011871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl; 631188eea45cSKlaus Jensen NvmeNamespace *ns; 631288eea45cSKlaus Jensen int i; 631388eea45cSKlaus Jensen 631488eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 631588eea45cSKlaus Jensen ns = nvme_ns(n, i); 631688eea45cSKlaus Jensen if (!ns) { 631788eea45cSKlaus Jensen continue; 631888eea45cSKlaus Jensen } 631988eea45cSKlaus Jensen 632088eea45cSKlaus Jensen nvme_ns_drain(ns); 632188eea45cSKlaus Jensen } 632288eea45cSKlaus Jensen 632388eea45cSKlaus Jensen for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 632488eea45cSKlaus Jensen if (n->sq[i] != NULL) { 632588eea45cSKlaus Jensen nvme_free_sq(n->sq[i], n); 632688eea45cSKlaus Jensen } 632788eea45cSKlaus Jensen } 632888eea45cSKlaus Jensen for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 632988eea45cSKlaus Jensen if (n->cq[i] != NULL) { 633088eea45cSKlaus Jensen nvme_free_cq(n->cq[i], n); 633188eea45cSKlaus Jensen } 633288eea45cSKlaus Jensen } 633388eea45cSKlaus Jensen 633488eea45cSKlaus Jensen while (!QTAILQ_EMPTY(&n->aer_queue)) { 633588eea45cSKlaus Jensen NvmeAsyncEvent *event = QTAILQ_FIRST(&n->aer_queue); 633688eea45cSKlaus Jensen QTAILQ_REMOVE(&n->aer_queue, event, entry); 633788eea45cSKlaus Jensen g_free(event); 633888eea45cSKlaus Jensen } 633988eea45cSKlaus Jensen 634011871f53SŁukasz Gieryk if (n->params.sriov_max_vfs) { 634111871f53SŁukasz Gieryk if (!pci_is_vf(pci_dev)) { 634211871f53SŁukasz Gieryk for (i = 0; i < n->sec_ctrl_list.numcntl; i++) { 634311871f53SŁukasz Gieryk sctrl = &n->sec_ctrl_list.sec[i]; 634411871f53SŁukasz Gieryk nvme_virt_set_state(n, le16_to_cpu(sctrl->scid), false); 634511871f53SŁukasz Gieryk } 634611871f53SŁukasz Gieryk 63471e9c685eSŁukasz Gieryk if (rst != NVME_RESET_CONTROLLER) { 6348decc0261SŁukasz Gieryk pcie_sriov_pf_disable_vfs(pci_dev); 634944c2c094SLukasz Maniak } 63501e9c685eSŁukasz Gieryk } 635144c2c094SLukasz Maniak 635211871f53SŁukasz Gieryk if (rst != NVME_RESET_CONTROLLER) { 635311871f53SŁukasz Gieryk nvme_activate_virt_res(n); 635411871f53SŁukasz Gieryk } 635511871f53SŁukasz Gieryk } 635611871f53SŁukasz Gieryk 635788eea45cSKlaus Jensen n->aer_queued = 0; 635898836e8eSKlaus Jensen n->aer_mask = 0; 635988eea45cSKlaus Jensen n->outstanding_aers = 0; 636088eea45cSKlaus Jensen n->qs_created = false; 6361decc0261SŁukasz Gieryk 6362decc0261SŁukasz Gieryk nvme_update_msixcap_ts(pci_dev, n->conf_msix_qsize); 636311871f53SŁukasz Gieryk 636411871f53SŁukasz Gieryk if (pci_is_vf(pci_dev)) { 636511871f53SŁukasz Gieryk sctrl = nvme_sctrl(n); 6366cc9bcee2SKlaus Jensen 636711871f53SŁukasz Gieryk stl_le_p(&n->bar.csts, sctrl->scs ? 0 : NVME_CSTS_FAILED); 636811871f53SŁukasz Gieryk } else { 636911871f53SŁukasz Gieryk stl_le_p(&n->bar.csts, 0); 637011871f53SŁukasz Gieryk } 6371cc9bcee2SKlaus Jensen 6372cc9bcee2SKlaus Jensen stl_le_p(&n->bar.intms, 0); 6373cc9bcee2SKlaus Jensen stl_le_p(&n->bar.intmc, 0); 6374cc9bcee2SKlaus Jensen stl_le_p(&n->bar.cc, 0); 63753f7fe8deSJinhao Fan 63763f7fe8deSJinhao Fan n->dbbuf_dbs = 0; 63773f7fe8deSJinhao Fan n->dbbuf_eis = 0; 63783f7fe8deSJinhao Fan n->dbbuf_enabled = false; 637988eea45cSKlaus Jensen } 638088eea45cSKlaus Jensen 638188eea45cSKlaus Jensen static void nvme_ctrl_shutdown(NvmeCtrl *n) 638288eea45cSKlaus Jensen { 638388eea45cSKlaus Jensen NvmeNamespace *ns; 638488eea45cSKlaus Jensen int i; 638588eea45cSKlaus Jensen 638688eea45cSKlaus Jensen if (n->pmr.dev) { 638788eea45cSKlaus Jensen memory_region_msync(&n->pmr.dev->mr, 0, n->pmr.dev->size); 638888eea45cSKlaus Jensen } 638988eea45cSKlaus Jensen 639088eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 639188eea45cSKlaus Jensen ns = nvme_ns(n, i); 639288eea45cSKlaus Jensen if (!ns) { 639388eea45cSKlaus Jensen continue; 639488eea45cSKlaus Jensen } 639588eea45cSKlaus Jensen 639688eea45cSKlaus Jensen nvme_ns_shutdown(ns); 639788eea45cSKlaus Jensen } 639888eea45cSKlaus Jensen } 639988eea45cSKlaus Jensen 640088eea45cSKlaus Jensen static void nvme_select_iocs(NvmeCtrl *n) 640188eea45cSKlaus Jensen { 640288eea45cSKlaus Jensen NvmeNamespace *ns; 640388eea45cSKlaus Jensen int i; 640488eea45cSKlaus Jensen 640588eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 640688eea45cSKlaus Jensen ns = nvme_ns(n, i); 640788eea45cSKlaus Jensen if (!ns) { 640888eea45cSKlaus Jensen continue; 640988eea45cSKlaus Jensen } 641088eea45cSKlaus Jensen 641188eea45cSKlaus Jensen nvme_select_iocs_ns(n, ns); 641288eea45cSKlaus Jensen } 641388eea45cSKlaus Jensen } 641488eea45cSKlaus Jensen 641588eea45cSKlaus Jensen static int nvme_start_ctrl(NvmeCtrl *n) 641688eea45cSKlaus Jensen { 641749e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 641849e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 641949e03457SKlaus Jensen uint32_t aqa = ldl_le_p(&n->bar.aqa); 642049e03457SKlaus Jensen uint64_t asq = ldq_le_p(&n->bar.asq); 642149e03457SKlaus Jensen uint64_t acq = ldq_le_p(&n->bar.acq); 642249e03457SKlaus Jensen uint32_t page_bits = NVME_CC_MPS(cc) + 12; 642388eea45cSKlaus Jensen uint32_t page_size = 1 << page_bits; 642411871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl = nvme_sctrl(n); 642588eea45cSKlaus Jensen 642611871f53SŁukasz Gieryk if (pci_is_vf(&n->parent_obj) && !sctrl->scs) { 642711871f53SŁukasz Gieryk trace_pci_nvme_err_startfail_virt_state(le16_to_cpu(sctrl->nvi), 642811871f53SŁukasz Gieryk le16_to_cpu(sctrl->nvq), 642911871f53SŁukasz Gieryk sctrl->scs ? "ONLINE" : 643011871f53SŁukasz Gieryk "OFFLINE"); 643111871f53SŁukasz Gieryk return -1; 643211871f53SŁukasz Gieryk } 643388eea45cSKlaus Jensen if (unlikely(n->cq[0])) { 643488eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cq(); 643588eea45cSKlaus Jensen return -1; 643688eea45cSKlaus Jensen } 643788eea45cSKlaus Jensen if (unlikely(n->sq[0])) { 643888eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sq(); 643988eea45cSKlaus Jensen return -1; 644088eea45cSKlaus Jensen } 644149e03457SKlaus Jensen if (unlikely(asq & (page_size - 1))) { 644249e03457SKlaus Jensen trace_pci_nvme_err_startfail_asq_misaligned(asq); 644388eea45cSKlaus Jensen return -1; 644488eea45cSKlaus Jensen } 644549e03457SKlaus Jensen if (unlikely(acq & (page_size - 1))) { 644649e03457SKlaus Jensen trace_pci_nvme_err_startfail_acq_misaligned(acq); 644788eea45cSKlaus Jensen return -1; 644888eea45cSKlaus Jensen } 644949e03457SKlaus Jensen if (unlikely(!(NVME_CAP_CSS(cap) & (1 << NVME_CC_CSS(cc))))) { 645049e03457SKlaus Jensen trace_pci_nvme_err_startfail_css(NVME_CC_CSS(cc)); 645188eea45cSKlaus Jensen return -1; 645288eea45cSKlaus Jensen } 645349e03457SKlaus Jensen if (unlikely(NVME_CC_MPS(cc) < NVME_CAP_MPSMIN(cap))) { 645488eea45cSKlaus Jensen trace_pci_nvme_err_startfail_page_too_small( 645549e03457SKlaus Jensen NVME_CC_MPS(cc), 645649e03457SKlaus Jensen NVME_CAP_MPSMIN(cap)); 645788eea45cSKlaus Jensen return -1; 645888eea45cSKlaus Jensen } 645949e03457SKlaus Jensen if (unlikely(NVME_CC_MPS(cc) > 646049e03457SKlaus Jensen NVME_CAP_MPSMAX(cap))) { 646188eea45cSKlaus Jensen trace_pci_nvme_err_startfail_page_too_large( 646249e03457SKlaus Jensen NVME_CC_MPS(cc), 646349e03457SKlaus Jensen NVME_CAP_MPSMAX(cap)); 646488eea45cSKlaus Jensen return -1; 646588eea45cSKlaus Jensen } 646649e03457SKlaus Jensen if (unlikely(NVME_CC_IOCQES(cc) < 646788eea45cSKlaus Jensen NVME_CTRL_CQES_MIN(n->id_ctrl.cqes))) { 646888eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cqent_too_small( 646949e03457SKlaus Jensen NVME_CC_IOCQES(cc), 647049e03457SKlaus Jensen NVME_CTRL_CQES_MIN(cap)); 647188eea45cSKlaus Jensen return -1; 647288eea45cSKlaus Jensen } 647349e03457SKlaus Jensen if (unlikely(NVME_CC_IOCQES(cc) > 647488eea45cSKlaus Jensen NVME_CTRL_CQES_MAX(n->id_ctrl.cqes))) { 647588eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cqent_too_large( 647649e03457SKlaus Jensen NVME_CC_IOCQES(cc), 647749e03457SKlaus Jensen NVME_CTRL_CQES_MAX(cap)); 647888eea45cSKlaus Jensen return -1; 647988eea45cSKlaus Jensen } 648049e03457SKlaus Jensen if (unlikely(NVME_CC_IOSQES(cc) < 648188eea45cSKlaus Jensen NVME_CTRL_SQES_MIN(n->id_ctrl.sqes))) { 648288eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sqent_too_small( 648349e03457SKlaus Jensen NVME_CC_IOSQES(cc), 648449e03457SKlaus Jensen NVME_CTRL_SQES_MIN(cap)); 648588eea45cSKlaus Jensen return -1; 648688eea45cSKlaus Jensen } 648749e03457SKlaus Jensen if (unlikely(NVME_CC_IOSQES(cc) > 648888eea45cSKlaus Jensen NVME_CTRL_SQES_MAX(n->id_ctrl.sqes))) { 648988eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sqent_too_large( 649049e03457SKlaus Jensen NVME_CC_IOSQES(cc), 649149e03457SKlaus Jensen NVME_CTRL_SQES_MAX(cap)); 649288eea45cSKlaus Jensen return -1; 649388eea45cSKlaus Jensen } 649449e03457SKlaus Jensen if (unlikely(!NVME_AQA_ASQS(aqa))) { 649588eea45cSKlaus Jensen trace_pci_nvme_err_startfail_asqent_sz_zero(); 649688eea45cSKlaus Jensen return -1; 649788eea45cSKlaus Jensen } 649849e03457SKlaus Jensen if (unlikely(!NVME_AQA_ACQS(aqa))) { 649988eea45cSKlaus Jensen trace_pci_nvme_err_startfail_acqent_sz_zero(); 650088eea45cSKlaus Jensen return -1; 650188eea45cSKlaus Jensen } 650288eea45cSKlaus Jensen 650388eea45cSKlaus Jensen n->page_bits = page_bits; 650488eea45cSKlaus Jensen n->page_size = page_size; 650588eea45cSKlaus Jensen n->max_prp_ents = n->page_size / sizeof(uint64_t); 650649e03457SKlaus Jensen n->cqe_size = 1 << NVME_CC_IOCQES(cc); 650749e03457SKlaus Jensen n->sqe_size = 1 << NVME_CC_IOSQES(cc); 650849e03457SKlaus Jensen nvme_init_cq(&n->admin_cq, n, acq, 0, 0, NVME_AQA_ACQS(aqa) + 1, 1); 650949e03457SKlaus Jensen nvme_init_sq(&n->admin_sq, n, asq, 0, 0, NVME_AQA_ASQS(aqa) + 1); 651088eea45cSKlaus Jensen 651188eea45cSKlaus Jensen nvme_set_timestamp(n, 0ULL); 651288eea45cSKlaus Jensen 651388eea45cSKlaus Jensen nvme_select_iocs(n); 651488eea45cSKlaus Jensen 651588eea45cSKlaus Jensen return 0; 651688eea45cSKlaus Jensen } 651788eea45cSKlaus Jensen 651888eea45cSKlaus Jensen static void nvme_cmb_enable_regs(NvmeCtrl *n) 651988eea45cSKlaus Jensen { 652049e03457SKlaus Jensen uint32_t cmbloc = ldl_le_p(&n->bar.cmbloc); 652149e03457SKlaus Jensen uint32_t cmbsz = ldl_le_p(&n->bar.cmbsz); 652288eea45cSKlaus Jensen 652349e03457SKlaus Jensen NVME_CMBLOC_SET_CDPCILS(cmbloc, 1); 652449e03457SKlaus Jensen NVME_CMBLOC_SET_CDPMLS(cmbloc, 1); 652549e03457SKlaus Jensen NVME_CMBLOC_SET_BIR(cmbloc, NVME_CMB_BIR); 652649e03457SKlaus Jensen stl_le_p(&n->bar.cmbloc, cmbloc); 652749e03457SKlaus Jensen 652849e03457SKlaus Jensen NVME_CMBSZ_SET_SQS(cmbsz, 1); 652949e03457SKlaus Jensen NVME_CMBSZ_SET_CQS(cmbsz, 0); 653049e03457SKlaus Jensen NVME_CMBSZ_SET_LISTS(cmbsz, 1); 653149e03457SKlaus Jensen NVME_CMBSZ_SET_RDS(cmbsz, 1); 653249e03457SKlaus Jensen NVME_CMBSZ_SET_WDS(cmbsz, 1); 653349e03457SKlaus Jensen NVME_CMBSZ_SET_SZU(cmbsz, 2); /* MBs */ 653449e03457SKlaus Jensen NVME_CMBSZ_SET_SZ(cmbsz, n->params.cmb_size_mb); 653549e03457SKlaus Jensen stl_le_p(&n->bar.cmbsz, cmbsz); 653688eea45cSKlaus Jensen } 653788eea45cSKlaus Jensen 653888eea45cSKlaus Jensen static void nvme_write_bar(NvmeCtrl *n, hwaddr offset, uint64_t data, 653988eea45cSKlaus Jensen unsigned size) 654088eea45cSKlaus Jensen { 654149e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 654249e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 654349e03457SKlaus Jensen uint32_t intms = ldl_le_p(&n->bar.intms); 654449e03457SKlaus Jensen uint32_t csts = ldl_le_p(&n->bar.csts); 654549e03457SKlaus Jensen uint32_t pmrsts = ldl_le_p(&n->bar.pmrsts); 654649e03457SKlaus Jensen 654788eea45cSKlaus Jensen if (unlikely(offset & (sizeof(uint32_t) - 1))) { 654888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_misaligned32, 654988eea45cSKlaus Jensen "MMIO write not 32-bit aligned," 655088eea45cSKlaus Jensen " offset=0x%"PRIx64"", offset); 655188eea45cSKlaus Jensen /* should be ignored, fall through for now */ 655288eea45cSKlaus Jensen } 655388eea45cSKlaus Jensen 655488eea45cSKlaus Jensen if (unlikely(size < sizeof(uint32_t))) { 655588eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_toosmall, 655688eea45cSKlaus Jensen "MMIO write smaller than 32-bits," 655788eea45cSKlaus Jensen " offset=0x%"PRIx64", size=%u", 655888eea45cSKlaus Jensen offset, size); 655988eea45cSKlaus Jensen /* should be ignored, fall through for now */ 656088eea45cSKlaus Jensen } 656188eea45cSKlaus Jensen 656288eea45cSKlaus Jensen switch (offset) { 6563a316aa50SKlaus Jensen case NVME_REG_INTMS: 656488eea45cSKlaus Jensen if (unlikely(msix_enabled(&(n->parent_obj)))) { 656588eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_intmask_with_msix, 656688eea45cSKlaus Jensen "undefined access to interrupt mask set" 656788eea45cSKlaus Jensen " when MSI-X is enabled"); 656888eea45cSKlaus Jensen /* should be ignored, fall through for now */ 656988eea45cSKlaus Jensen } 657049e03457SKlaus Jensen intms |= data; 657149e03457SKlaus Jensen stl_le_p(&n->bar.intms, intms); 657288eea45cSKlaus Jensen n->bar.intmc = n->bar.intms; 657349e03457SKlaus Jensen trace_pci_nvme_mmio_intm_set(data & 0xffffffff, intms); 657488eea45cSKlaus Jensen nvme_irq_check(n); 657588eea45cSKlaus Jensen break; 6576a316aa50SKlaus Jensen case NVME_REG_INTMC: 657788eea45cSKlaus Jensen if (unlikely(msix_enabled(&(n->parent_obj)))) { 657888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_intmask_with_msix, 657988eea45cSKlaus Jensen "undefined access to interrupt mask clr" 658088eea45cSKlaus Jensen " when MSI-X is enabled"); 658188eea45cSKlaus Jensen /* should be ignored, fall through for now */ 658288eea45cSKlaus Jensen } 658349e03457SKlaus Jensen intms &= ~data; 658449e03457SKlaus Jensen stl_le_p(&n->bar.intms, intms); 658588eea45cSKlaus Jensen n->bar.intmc = n->bar.intms; 658649e03457SKlaus Jensen trace_pci_nvme_mmio_intm_clr(data & 0xffffffff, intms); 658788eea45cSKlaus Jensen nvme_irq_check(n); 658888eea45cSKlaus Jensen break; 6589a316aa50SKlaus Jensen case NVME_REG_CC: 6590cc9bcee2SKlaus Jensen stl_le_p(&n->bar.cc, data); 6591cc9bcee2SKlaus Jensen 659288eea45cSKlaus Jensen trace_pci_nvme_mmio_cfg(data & 0xffffffff); 659349e03457SKlaus Jensen 6594cc9bcee2SKlaus Jensen if (NVME_CC_SHN(data) && !(NVME_CC_SHN(cc))) { 6595cc9bcee2SKlaus Jensen trace_pci_nvme_mmio_shutdown_set(); 6596cc9bcee2SKlaus Jensen nvme_ctrl_shutdown(n); 6597cc9bcee2SKlaus Jensen csts &= ~(CSTS_SHST_MASK << CSTS_SHST_SHIFT); 6598cc9bcee2SKlaus Jensen csts |= NVME_CSTS_SHST_COMPLETE; 6599cc9bcee2SKlaus Jensen } else if (!NVME_CC_SHN(data) && NVME_CC_SHN(cc)) { 6600cc9bcee2SKlaus Jensen trace_pci_nvme_mmio_shutdown_cleared(); 6601cc9bcee2SKlaus Jensen csts &= ~(CSTS_SHST_MASK << CSTS_SHST_SHIFT); 660288eea45cSKlaus Jensen } 660388eea45cSKlaus Jensen 660449e03457SKlaus Jensen if (NVME_CC_EN(data) && !NVME_CC_EN(cc)) { 660588eea45cSKlaus Jensen if (unlikely(nvme_start_ctrl(n))) { 660688eea45cSKlaus Jensen trace_pci_nvme_err_startfail(); 660749e03457SKlaus Jensen csts = NVME_CSTS_FAILED; 660888eea45cSKlaus Jensen } else { 660988eea45cSKlaus Jensen trace_pci_nvme_mmio_start_success(); 661049e03457SKlaus Jensen csts = NVME_CSTS_READY; 661188eea45cSKlaus Jensen } 661249e03457SKlaus Jensen } else if (!NVME_CC_EN(data) && NVME_CC_EN(cc)) { 661388eea45cSKlaus Jensen trace_pci_nvme_mmio_stopped(); 66141e9c685eSŁukasz Gieryk nvme_ctrl_reset(n, NVME_RESET_CONTROLLER); 6615cc9bcee2SKlaus Jensen 6616cc9bcee2SKlaus Jensen break; 661788eea45cSKlaus Jensen } 661849e03457SKlaus Jensen 661949e03457SKlaus Jensen stl_le_p(&n->bar.csts, csts); 662049e03457SKlaus Jensen 662188eea45cSKlaus Jensen break; 6622a316aa50SKlaus Jensen case NVME_REG_CSTS: 662388eea45cSKlaus Jensen if (data & (1 << 4)) { 662488eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_ssreset_w1c_unsupported, 662588eea45cSKlaus Jensen "attempted to W1C CSTS.NSSRO" 662688eea45cSKlaus Jensen " but CAP.NSSRS is zero (not supported)"); 662788eea45cSKlaus Jensen } else if (data != 0) { 662888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_ro_csts, 662988eea45cSKlaus Jensen "attempted to set a read only bit" 663088eea45cSKlaus Jensen " of controller status"); 663188eea45cSKlaus Jensen } 663288eea45cSKlaus Jensen break; 6633a316aa50SKlaus Jensen case NVME_REG_NSSR: 663488eea45cSKlaus Jensen if (data == 0x4e564d65) { 663588eea45cSKlaus Jensen trace_pci_nvme_ub_mmiowr_ssreset_unsupported(); 663688eea45cSKlaus Jensen } else { 663788eea45cSKlaus Jensen /* The spec says that writes of other values have no effect */ 663888eea45cSKlaus Jensen return; 663988eea45cSKlaus Jensen } 664088eea45cSKlaus Jensen break; 6641a316aa50SKlaus Jensen case NVME_REG_AQA: 664249e03457SKlaus Jensen stl_le_p(&n->bar.aqa, data); 664388eea45cSKlaus Jensen trace_pci_nvme_mmio_aqattr(data & 0xffffffff); 664488eea45cSKlaus Jensen break; 6645a316aa50SKlaus Jensen case NVME_REG_ASQ: 664649e03457SKlaus Jensen stn_le_p(&n->bar.asq, size, data); 664788eea45cSKlaus Jensen trace_pci_nvme_mmio_asqaddr(data); 664888eea45cSKlaus Jensen break; 6649a316aa50SKlaus Jensen case NVME_REG_ASQ + 4: 665049e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.asq + 4, data); 665149e03457SKlaus Jensen trace_pci_nvme_mmio_asqaddr_hi(data, ldq_le_p(&n->bar.asq)); 665288eea45cSKlaus Jensen break; 6653a316aa50SKlaus Jensen case NVME_REG_ACQ: 665488eea45cSKlaus Jensen trace_pci_nvme_mmio_acqaddr(data); 665549e03457SKlaus Jensen stn_le_p(&n->bar.acq, size, data); 665688eea45cSKlaus Jensen break; 6657a316aa50SKlaus Jensen case NVME_REG_ACQ + 4: 665849e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.acq + 4, data); 665949e03457SKlaus Jensen trace_pci_nvme_mmio_acqaddr_hi(data, ldq_le_p(&n->bar.acq)); 666088eea45cSKlaus Jensen break; 6661a316aa50SKlaus Jensen case NVME_REG_CMBLOC: 666288eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_cmbloc_reserved, 666388eea45cSKlaus Jensen "invalid write to reserved CMBLOC" 666488eea45cSKlaus Jensen " when CMBSZ is zero, ignored"); 666588eea45cSKlaus Jensen return; 6666a316aa50SKlaus Jensen case NVME_REG_CMBSZ: 666788eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_cmbsz_readonly, 666888eea45cSKlaus Jensen "invalid write to read only CMBSZ, ignored"); 666988eea45cSKlaus Jensen return; 6670a316aa50SKlaus Jensen case NVME_REG_CMBMSC: 667149e03457SKlaus Jensen if (!NVME_CAP_CMBS(cap)) { 667288eea45cSKlaus Jensen return; 667388eea45cSKlaus Jensen } 667488eea45cSKlaus Jensen 667549e03457SKlaus Jensen stn_le_p(&n->bar.cmbmsc, size, data); 667688eea45cSKlaus Jensen n->cmb.cmse = false; 667788eea45cSKlaus Jensen 667888eea45cSKlaus Jensen if (NVME_CMBMSC_CRE(data)) { 667988eea45cSKlaus Jensen nvme_cmb_enable_regs(n); 668088eea45cSKlaus Jensen 668188eea45cSKlaus Jensen if (NVME_CMBMSC_CMSE(data)) { 668249e03457SKlaus Jensen uint64_t cmbmsc = ldq_le_p(&n->bar.cmbmsc); 668349e03457SKlaus Jensen hwaddr cba = NVME_CMBMSC_CBA(cmbmsc) << CMBMSC_CBA_SHIFT; 668488eea45cSKlaus Jensen if (cba + int128_get64(n->cmb.mem.size) < cba) { 668549e03457SKlaus Jensen uint32_t cmbsts = ldl_le_p(&n->bar.cmbsts); 668649e03457SKlaus Jensen NVME_CMBSTS_SET_CBAI(cmbsts, 1); 668749e03457SKlaus Jensen stl_le_p(&n->bar.cmbsts, cmbsts); 668888eea45cSKlaus Jensen return; 668988eea45cSKlaus Jensen } 669088eea45cSKlaus Jensen 669188eea45cSKlaus Jensen n->cmb.cba = cba; 669288eea45cSKlaus Jensen n->cmb.cmse = true; 669388eea45cSKlaus Jensen } 669488eea45cSKlaus Jensen } else { 669588eea45cSKlaus Jensen n->bar.cmbsz = 0; 669688eea45cSKlaus Jensen n->bar.cmbloc = 0; 669788eea45cSKlaus Jensen } 669888eea45cSKlaus Jensen 669988eea45cSKlaus Jensen return; 6700a316aa50SKlaus Jensen case NVME_REG_CMBMSC + 4: 670149e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.cmbmsc + 4, data); 670288eea45cSKlaus Jensen return; 670388eea45cSKlaus Jensen 6704a316aa50SKlaus Jensen case NVME_REG_PMRCAP: 670588eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrcap_readonly, 670688eea45cSKlaus Jensen "invalid write to PMRCAP register, ignored"); 670788eea45cSKlaus Jensen return; 6708a316aa50SKlaus Jensen case NVME_REG_PMRCTL: 670949e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 67102b02aabcSKlaus Jensen return; 67112b02aabcSKlaus Jensen } 67122b02aabcSKlaus Jensen 671349e03457SKlaus Jensen stl_le_p(&n->bar.pmrctl, data); 671488eea45cSKlaus Jensen if (NVME_PMRCTL_EN(data)) { 671588eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, true); 671649e03457SKlaus Jensen pmrsts = 0; 671788eea45cSKlaus Jensen } else { 671888eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, false); 671949e03457SKlaus Jensen NVME_PMRSTS_SET_NRDY(pmrsts, 1); 672088eea45cSKlaus Jensen n->pmr.cmse = false; 672188eea45cSKlaus Jensen } 672249e03457SKlaus Jensen stl_le_p(&n->bar.pmrsts, pmrsts); 672388eea45cSKlaus Jensen return; 6724a316aa50SKlaus Jensen case NVME_REG_PMRSTS: 672588eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrsts_readonly, 672688eea45cSKlaus Jensen "invalid write to PMRSTS register, ignored"); 672788eea45cSKlaus Jensen return; 6728a316aa50SKlaus Jensen case NVME_REG_PMREBS: 672988eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrebs_readonly, 673088eea45cSKlaus Jensen "invalid write to PMREBS register, ignored"); 673188eea45cSKlaus Jensen return; 6732a316aa50SKlaus Jensen case NVME_REG_PMRSWTP: 673388eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrswtp_readonly, 673488eea45cSKlaus Jensen "invalid write to PMRSWTP register, ignored"); 673588eea45cSKlaus Jensen return; 6736a316aa50SKlaus Jensen case NVME_REG_PMRMSCL: 673749e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 673888eea45cSKlaus Jensen return; 673988eea45cSKlaus Jensen } 674088eea45cSKlaus Jensen 674149e03457SKlaus Jensen stl_le_p(&n->bar.pmrmscl, data); 674288eea45cSKlaus Jensen n->pmr.cmse = false; 674388eea45cSKlaus Jensen 674449e03457SKlaus Jensen if (NVME_PMRMSCL_CMSE(data)) { 674549e03457SKlaus Jensen uint64_t pmrmscu = ldl_le_p(&n->bar.pmrmscu); 674649e03457SKlaus Jensen hwaddr cba = pmrmscu << 32 | 674749e03457SKlaus Jensen (NVME_PMRMSCL_CBA(data) << PMRMSCL_CBA_SHIFT); 674888eea45cSKlaus Jensen if (cba + int128_get64(n->pmr.dev->mr.size) < cba) { 674949e03457SKlaus Jensen NVME_PMRSTS_SET_CBAI(pmrsts, 1); 675049e03457SKlaus Jensen stl_le_p(&n->bar.pmrsts, pmrsts); 675188eea45cSKlaus Jensen return; 675288eea45cSKlaus Jensen } 675388eea45cSKlaus Jensen 675488eea45cSKlaus Jensen n->pmr.cmse = true; 675588eea45cSKlaus Jensen n->pmr.cba = cba; 675688eea45cSKlaus Jensen } 675788eea45cSKlaus Jensen 675888eea45cSKlaus Jensen return; 6759a316aa50SKlaus Jensen case NVME_REG_PMRMSCU: 676049e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 676188eea45cSKlaus Jensen return; 676288eea45cSKlaus Jensen } 676388eea45cSKlaus Jensen 676449e03457SKlaus Jensen stl_le_p(&n->bar.pmrmscu, data); 676588eea45cSKlaus Jensen return; 676688eea45cSKlaus Jensen default: 676788eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_invalid, 676888eea45cSKlaus Jensen "invalid MMIO write," 676988eea45cSKlaus Jensen " offset=0x%"PRIx64", data=%"PRIx64"", 677088eea45cSKlaus Jensen offset, data); 677188eea45cSKlaus Jensen break; 677288eea45cSKlaus Jensen } 677388eea45cSKlaus Jensen } 677488eea45cSKlaus Jensen 677588eea45cSKlaus Jensen static uint64_t nvme_mmio_read(void *opaque, hwaddr addr, unsigned size) 677688eea45cSKlaus Jensen { 677788eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 677888eea45cSKlaus Jensen uint8_t *ptr = (uint8_t *)&n->bar; 677988eea45cSKlaus Jensen 678088eea45cSKlaus Jensen trace_pci_nvme_mmio_read(addr, size); 678188eea45cSKlaus Jensen 678288eea45cSKlaus Jensen if (unlikely(addr & (sizeof(uint32_t) - 1))) { 678388eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_misaligned32, 678488eea45cSKlaus Jensen "MMIO read not 32-bit aligned," 678588eea45cSKlaus Jensen " offset=0x%"PRIx64"", addr); 678688eea45cSKlaus Jensen /* should RAZ, fall through for now */ 678788eea45cSKlaus Jensen } else if (unlikely(size < sizeof(uint32_t))) { 678888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_toosmall, 678988eea45cSKlaus Jensen "MMIO read smaller than 32-bits," 679088eea45cSKlaus Jensen " offset=0x%"PRIx64"", addr); 679188eea45cSKlaus Jensen /* should RAZ, fall through for now */ 679288eea45cSKlaus Jensen } 679388eea45cSKlaus Jensen 67945029de44SKlaus Jensen if (addr > sizeof(n->bar) - size) { 67955029de44SKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_invalid_ofs, 67965029de44SKlaus Jensen "MMIO read beyond last register," 67975029de44SKlaus Jensen " offset=0x%"PRIx64", returning 0", addr); 67985029de44SKlaus Jensen 67995029de44SKlaus Jensen return 0; 68005029de44SKlaus Jensen } 68015029de44SKlaus Jensen 680211871f53SŁukasz Gieryk if (pci_is_vf(&n->parent_obj) && !nvme_sctrl(n)->scs && 680311871f53SŁukasz Gieryk addr != NVME_REG_CSTS) { 680411871f53SŁukasz Gieryk trace_pci_nvme_err_ignored_mmio_vf_offline(addr, size); 680511871f53SŁukasz Gieryk return 0; 680611871f53SŁukasz Gieryk } 680711871f53SŁukasz Gieryk 680888eea45cSKlaus Jensen /* 680988eea45cSKlaus Jensen * When PMRWBM bit 1 is set then read from 681088eea45cSKlaus Jensen * from PMRSTS should ensure prior writes 681188eea45cSKlaus Jensen * made it to persistent media 681288eea45cSKlaus Jensen */ 6813a316aa50SKlaus Jensen if (addr == NVME_REG_PMRSTS && 681449e03457SKlaus Jensen (NVME_PMRCAP_PMRWBM(ldl_le_p(&n->bar.pmrcap)) & 0x02)) { 681588eea45cSKlaus Jensen memory_region_msync(&n->pmr.dev->mr, 0, n->pmr.dev->size); 681688eea45cSKlaus Jensen } 68175029de44SKlaus Jensen 681849e03457SKlaus Jensen return ldn_le_p(ptr + addr, size); 681988eea45cSKlaus Jensen } 682088eea45cSKlaus Jensen 682188eea45cSKlaus Jensen static void nvme_process_db(NvmeCtrl *n, hwaddr addr, int val) 682288eea45cSKlaus Jensen { 682388eea45cSKlaus Jensen uint32_t qid; 682488eea45cSKlaus Jensen 682588eea45cSKlaus Jensen if (unlikely(addr & ((1 << 2) - 1))) { 682688eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_misaligned, 682788eea45cSKlaus Jensen "doorbell write not 32-bit aligned," 682888eea45cSKlaus Jensen " offset=0x%"PRIx64", ignoring", addr); 682988eea45cSKlaus Jensen return; 683088eea45cSKlaus Jensen } 683188eea45cSKlaus Jensen 683288eea45cSKlaus Jensen if (((addr - 0x1000) >> 2) & 1) { 683388eea45cSKlaus Jensen /* Completion queue doorbell write */ 683488eea45cSKlaus Jensen 683588eea45cSKlaus Jensen uint16_t new_head = val & 0xffff; 683688eea45cSKlaus Jensen int start_sqs; 683788eea45cSKlaus Jensen NvmeCQueue *cq; 683888eea45cSKlaus Jensen 683988eea45cSKlaus Jensen qid = (addr - (0x1000 + (1 << 2))) >> 3; 684088eea45cSKlaus Jensen if (unlikely(nvme_check_cqid(n, qid))) { 684188eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_cq, 684288eea45cSKlaus Jensen "completion queue doorbell write" 684388eea45cSKlaus Jensen " for nonexistent queue," 684488eea45cSKlaus Jensen " sqid=%"PRIu32", ignoring", qid); 684588eea45cSKlaus Jensen 684688eea45cSKlaus Jensen /* 684788eea45cSKlaus Jensen * NVM Express v1.3d, Section 4.1 state: "If host software writes 684888eea45cSKlaus Jensen * an invalid value to the Submission Queue Tail Doorbell or 684988eea45cSKlaus Jensen * Completion Queue Head Doorbell regiter and an Asynchronous Event 685088eea45cSKlaus Jensen * Request command is outstanding, then an asynchronous event is 685188eea45cSKlaus Jensen * posted to the Admin Completion Queue with a status code of 685288eea45cSKlaus Jensen * Invalid Doorbell Write Value." 685388eea45cSKlaus Jensen * 685488eea45cSKlaus Jensen * Also note that the spec includes the "Invalid Doorbell Register" 685588eea45cSKlaus Jensen * status code, but nowhere does it specify when to use it. 685688eea45cSKlaus Jensen * However, it seems reasonable to use it here in a similar 685788eea45cSKlaus Jensen * fashion. 685888eea45cSKlaus Jensen */ 685988eea45cSKlaus Jensen if (n->outstanding_aers) { 686088eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 686188eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_REGISTER, 686288eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 686388eea45cSKlaus Jensen } 686488eea45cSKlaus Jensen 686588eea45cSKlaus Jensen return; 686688eea45cSKlaus Jensen } 686788eea45cSKlaus Jensen 686888eea45cSKlaus Jensen cq = n->cq[qid]; 686988eea45cSKlaus Jensen if (unlikely(new_head >= cq->size)) { 687088eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_cqhead, 687188eea45cSKlaus Jensen "completion queue doorbell write value" 687288eea45cSKlaus Jensen " beyond queue size, sqid=%"PRIu32"," 687388eea45cSKlaus Jensen " new_head=%"PRIu16", ignoring", 687488eea45cSKlaus Jensen qid, new_head); 687588eea45cSKlaus Jensen 687688eea45cSKlaus Jensen if (n->outstanding_aers) { 687788eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 687888eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_VALUE, 687988eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 688088eea45cSKlaus Jensen } 688188eea45cSKlaus Jensen 688288eea45cSKlaus Jensen return; 688388eea45cSKlaus Jensen } 688488eea45cSKlaus Jensen 688588eea45cSKlaus Jensen trace_pci_nvme_mmio_doorbell_cq(cq->cqid, new_head); 688688eea45cSKlaus Jensen 688788eea45cSKlaus Jensen start_sqs = nvme_cq_full(cq) ? 1 : 0; 688888eea45cSKlaus Jensen cq->head = new_head; 68893f7fe8deSJinhao Fan if (!qid && n->dbbuf_enabled) { 68903f7fe8deSJinhao Fan pci_dma_write(&n->parent_obj, cq->db_addr, &cq->head, 68913f7fe8deSJinhao Fan sizeof(cq->head)); 68923f7fe8deSJinhao Fan } 689388eea45cSKlaus Jensen if (start_sqs) { 689488eea45cSKlaus Jensen NvmeSQueue *sq; 689588eea45cSKlaus Jensen QTAILQ_FOREACH(sq, &cq->sq_list, entry) { 6896d38cc6fdSKlaus Jensen qemu_bh_schedule(sq->bh); 689788eea45cSKlaus Jensen } 6898d38cc6fdSKlaus Jensen qemu_bh_schedule(cq->bh); 689988eea45cSKlaus Jensen } 690088eea45cSKlaus Jensen 690188eea45cSKlaus Jensen if (cq->tail == cq->head) { 690283d7ed5cSKlaus Jensen if (cq->irq_enabled) { 690383d7ed5cSKlaus Jensen n->cq_pending--; 690483d7ed5cSKlaus Jensen } 690583d7ed5cSKlaus Jensen 690688eea45cSKlaus Jensen nvme_irq_deassert(n, cq); 690788eea45cSKlaus Jensen } 690888eea45cSKlaus Jensen } else { 690988eea45cSKlaus Jensen /* Submission queue doorbell write */ 691088eea45cSKlaus Jensen 691188eea45cSKlaus Jensen uint16_t new_tail = val & 0xffff; 691288eea45cSKlaus Jensen NvmeSQueue *sq; 691388eea45cSKlaus Jensen 691488eea45cSKlaus Jensen qid = (addr - 0x1000) >> 3; 691588eea45cSKlaus Jensen if (unlikely(nvme_check_sqid(n, qid))) { 691688eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_sq, 691788eea45cSKlaus Jensen "submission queue doorbell write" 691888eea45cSKlaus Jensen " for nonexistent queue," 691988eea45cSKlaus Jensen " sqid=%"PRIu32", ignoring", qid); 692088eea45cSKlaus Jensen 692188eea45cSKlaus Jensen if (n->outstanding_aers) { 692288eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 692388eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_REGISTER, 692488eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 692588eea45cSKlaus Jensen } 692688eea45cSKlaus Jensen 692788eea45cSKlaus Jensen return; 692888eea45cSKlaus Jensen } 692988eea45cSKlaus Jensen 693088eea45cSKlaus Jensen sq = n->sq[qid]; 693188eea45cSKlaus Jensen if (unlikely(new_tail >= sq->size)) { 693288eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_sqtail, 693388eea45cSKlaus Jensen "submission queue doorbell write value" 693488eea45cSKlaus Jensen " beyond queue size, sqid=%"PRIu32"," 693588eea45cSKlaus Jensen " new_tail=%"PRIu16", ignoring", 693688eea45cSKlaus Jensen qid, new_tail); 693788eea45cSKlaus Jensen 693888eea45cSKlaus Jensen if (n->outstanding_aers) { 693988eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 694088eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_VALUE, 694188eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 694288eea45cSKlaus Jensen } 694388eea45cSKlaus Jensen 694488eea45cSKlaus Jensen return; 694588eea45cSKlaus Jensen } 694688eea45cSKlaus Jensen 694788eea45cSKlaus Jensen trace_pci_nvme_mmio_doorbell_sq(sq->sqid, new_tail); 694888eea45cSKlaus Jensen 694988eea45cSKlaus Jensen sq->tail = new_tail; 69503f7fe8deSJinhao Fan if (!qid && n->dbbuf_enabled) { 69513f7fe8deSJinhao Fan /* 69523f7fe8deSJinhao Fan * The spec states "the host shall also update the controller's 69533f7fe8deSJinhao Fan * corresponding doorbell property to match the value of that entry 69543f7fe8deSJinhao Fan * in the Shadow Doorbell buffer." 69553f7fe8deSJinhao Fan * 69563f7fe8deSJinhao Fan * Since this context is currently a VM trap, we can safely enforce 69573f7fe8deSJinhao Fan * the requirement from the device side in case the host is 69583f7fe8deSJinhao Fan * misbehaving. 69593f7fe8deSJinhao Fan * 69603f7fe8deSJinhao Fan * Note, we shouldn't have to do this, but various drivers 69613f7fe8deSJinhao Fan * including ones that run on Linux, are not updating Admin Queues, 69623f7fe8deSJinhao Fan * so we can't trust reading it for an appropriate sq tail. 69633f7fe8deSJinhao Fan */ 69643f7fe8deSJinhao Fan pci_dma_write(&n->parent_obj, sq->db_addr, &sq->tail, 69653f7fe8deSJinhao Fan sizeof(sq->tail)); 69663f7fe8deSJinhao Fan } 6967d38cc6fdSKlaus Jensen 6968d38cc6fdSKlaus Jensen qemu_bh_schedule(sq->bh); 696988eea45cSKlaus Jensen } 697088eea45cSKlaus Jensen } 697188eea45cSKlaus Jensen 697288eea45cSKlaus Jensen static void nvme_mmio_write(void *opaque, hwaddr addr, uint64_t data, 697388eea45cSKlaus Jensen unsigned size) 697488eea45cSKlaus Jensen { 697588eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 697688eea45cSKlaus Jensen 697788eea45cSKlaus Jensen trace_pci_nvme_mmio_write(addr, data, size); 697888eea45cSKlaus Jensen 697911871f53SŁukasz Gieryk if (pci_is_vf(&n->parent_obj) && !nvme_sctrl(n)->scs && 698011871f53SŁukasz Gieryk addr != NVME_REG_CSTS) { 698111871f53SŁukasz Gieryk trace_pci_nvme_err_ignored_mmio_vf_offline(addr, size); 698211871f53SŁukasz Gieryk return; 698311871f53SŁukasz Gieryk } 698411871f53SŁukasz Gieryk 698588eea45cSKlaus Jensen if (addr < sizeof(n->bar)) { 698688eea45cSKlaus Jensen nvme_write_bar(n, addr, data, size); 698788eea45cSKlaus Jensen } else { 698888eea45cSKlaus Jensen nvme_process_db(n, addr, data); 698988eea45cSKlaus Jensen } 699088eea45cSKlaus Jensen } 699188eea45cSKlaus Jensen 699288eea45cSKlaus Jensen static const MemoryRegionOps nvme_mmio_ops = { 699388eea45cSKlaus Jensen .read = nvme_mmio_read, 699488eea45cSKlaus Jensen .write = nvme_mmio_write, 699588eea45cSKlaus Jensen .endianness = DEVICE_LITTLE_ENDIAN, 699688eea45cSKlaus Jensen .impl = { 699788eea45cSKlaus Jensen .min_access_size = 2, 699888eea45cSKlaus Jensen .max_access_size = 8, 699988eea45cSKlaus Jensen }, 700088eea45cSKlaus Jensen }; 700188eea45cSKlaus Jensen 700288eea45cSKlaus Jensen static void nvme_cmb_write(void *opaque, hwaddr addr, uint64_t data, 700388eea45cSKlaus Jensen unsigned size) 700488eea45cSKlaus Jensen { 700588eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 700688eea45cSKlaus Jensen stn_le_p(&n->cmb.buf[addr], size, data); 700788eea45cSKlaus Jensen } 700888eea45cSKlaus Jensen 700988eea45cSKlaus Jensen static uint64_t nvme_cmb_read(void *opaque, hwaddr addr, unsigned size) 701088eea45cSKlaus Jensen { 701188eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 701288eea45cSKlaus Jensen return ldn_le_p(&n->cmb.buf[addr], size); 701388eea45cSKlaus Jensen } 701488eea45cSKlaus Jensen 701588eea45cSKlaus Jensen static const MemoryRegionOps nvme_cmb_ops = { 701688eea45cSKlaus Jensen .read = nvme_cmb_read, 701788eea45cSKlaus Jensen .write = nvme_cmb_write, 701888eea45cSKlaus Jensen .endianness = DEVICE_LITTLE_ENDIAN, 701988eea45cSKlaus Jensen .impl = { 702088eea45cSKlaus Jensen .min_access_size = 1, 702188eea45cSKlaus Jensen .max_access_size = 8, 702288eea45cSKlaus Jensen }, 702388eea45cSKlaus Jensen }; 702488eea45cSKlaus Jensen 702588eea45cSKlaus Jensen static void nvme_check_constraints(NvmeCtrl *n, Error **errp) 702688eea45cSKlaus Jensen { 702788eea45cSKlaus Jensen NvmeParams *params = &n->params; 702888eea45cSKlaus Jensen 702988eea45cSKlaus Jensen if (params->num_queues) { 703088eea45cSKlaus Jensen warn_report("num_queues is deprecated; please use max_ioqpairs " 703188eea45cSKlaus Jensen "instead"); 703288eea45cSKlaus Jensen 703388eea45cSKlaus Jensen params->max_ioqpairs = params->num_queues - 1; 703488eea45cSKlaus Jensen } 703588eea45cSKlaus Jensen 703688eea45cSKlaus Jensen if (n->namespace.blkconf.blk && n->subsys) { 703788eea45cSKlaus Jensen error_setg(errp, "subsystem support is unavailable with legacy " 703888eea45cSKlaus Jensen "namespace ('drive' property)"); 703988eea45cSKlaus Jensen return; 704088eea45cSKlaus Jensen } 704188eea45cSKlaus Jensen 704288eea45cSKlaus Jensen if (params->max_ioqpairs < 1 || 704388eea45cSKlaus Jensen params->max_ioqpairs > NVME_MAX_IOQPAIRS) { 704488eea45cSKlaus Jensen error_setg(errp, "max_ioqpairs must be between 1 and %d", 704588eea45cSKlaus Jensen NVME_MAX_IOQPAIRS); 704688eea45cSKlaus Jensen return; 704788eea45cSKlaus Jensen } 704888eea45cSKlaus Jensen 704988eea45cSKlaus Jensen if (params->msix_qsize < 1 || 705088eea45cSKlaus Jensen params->msix_qsize > PCI_MSIX_FLAGS_QSIZE + 1) { 705188eea45cSKlaus Jensen error_setg(errp, "msix_qsize must be between 1 and %d", 705288eea45cSKlaus Jensen PCI_MSIX_FLAGS_QSIZE + 1); 705388eea45cSKlaus Jensen return; 705488eea45cSKlaus Jensen } 705588eea45cSKlaus Jensen 705688eea45cSKlaus Jensen if (!params->serial) { 705788eea45cSKlaus Jensen error_setg(errp, "serial property not set"); 705888eea45cSKlaus Jensen return; 705988eea45cSKlaus Jensen } 706088eea45cSKlaus Jensen 706188eea45cSKlaus Jensen if (n->pmr.dev) { 706288eea45cSKlaus Jensen if (host_memory_backend_is_mapped(n->pmr.dev)) { 706388eea45cSKlaus Jensen error_setg(errp, "can't use already busy memdev: %s", 706488eea45cSKlaus Jensen object_get_canonical_path_component(OBJECT(n->pmr.dev))); 706588eea45cSKlaus Jensen return; 706688eea45cSKlaus Jensen } 706788eea45cSKlaus Jensen 706888eea45cSKlaus Jensen if (!is_power_of_2(n->pmr.dev->size)) { 706988eea45cSKlaus Jensen error_setg(errp, "pmr backend size needs to be power of 2 in size"); 707088eea45cSKlaus Jensen return; 707188eea45cSKlaus Jensen } 707288eea45cSKlaus Jensen 707388eea45cSKlaus Jensen host_memory_backend_set_mapped(n->pmr.dev, true); 707488eea45cSKlaus Jensen } 707588eea45cSKlaus Jensen 707688eea45cSKlaus Jensen if (n->params.zasl > n->params.mdts) { 707788eea45cSKlaus Jensen error_setg(errp, "zoned.zasl (Zone Append Size Limit) must be less " 707888eea45cSKlaus Jensen "than or equal to mdts (Maximum Data Transfer Size)"); 707988eea45cSKlaus Jensen return; 708088eea45cSKlaus Jensen } 708188eea45cSKlaus Jensen 708288eea45cSKlaus Jensen if (!n->params.vsl) { 708388eea45cSKlaus Jensen error_setg(errp, "vsl must be non-zero"); 708488eea45cSKlaus Jensen return; 708588eea45cSKlaus Jensen } 708644c2c094SLukasz Maniak 708744c2c094SLukasz Maniak if (params->sriov_max_vfs) { 708844c2c094SLukasz Maniak if (!n->subsys) { 708944c2c094SLukasz Maniak error_setg(errp, "subsystem is required for the use of SR-IOV"); 709044c2c094SLukasz Maniak return; 709144c2c094SLukasz Maniak } 709244c2c094SLukasz Maniak 709344c2c094SLukasz Maniak if (params->sriov_max_vfs > NVME_MAX_VFS) { 709444c2c094SLukasz Maniak error_setg(errp, "sriov_max_vfs must be between 0 and %d", 709544c2c094SLukasz Maniak NVME_MAX_VFS); 709644c2c094SLukasz Maniak return; 709744c2c094SLukasz Maniak } 709844c2c094SLukasz Maniak 709944c2c094SLukasz Maniak if (params->cmb_size_mb) { 710044c2c094SLukasz Maniak error_setg(errp, "CMB is not supported with SR-IOV"); 710144c2c094SLukasz Maniak return; 710244c2c094SLukasz Maniak } 710344c2c094SLukasz Maniak 710444c2c094SLukasz Maniak if (n->pmr.dev) { 710544c2c094SLukasz Maniak error_setg(errp, "PMR is not supported with SR-IOV"); 710644c2c094SLukasz Maniak return; 710744c2c094SLukasz Maniak } 7108746d42b1SŁukasz Gieryk 7109746d42b1SŁukasz Gieryk if (!params->sriov_vq_flexible || !params->sriov_vi_flexible) { 7110746d42b1SŁukasz Gieryk error_setg(errp, "both sriov_vq_flexible and sriov_vi_flexible" 7111746d42b1SŁukasz Gieryk " must be set for the use of SR-IOV"); 7112746d42b1SŁukasz Gieryk return; 7113746d42b1SŁukasz Gieryk } 7114746d42b1SŁukasz Gieryk 7115746d42b1SŁukasz Gieryk if (params->sriov_vq_flexible < params->sriov_max_vfs * 2) { 7116746d42b1SŁukasz Gieryk error_setg(errp, "sriov_vq_flexible must be greater than or equal" 7117746d42b1SŁukasz Gieryk " to %d (sriov_max_vfs * 2)", params->sriov_max_vfs * 2); 7118746d42b1SŁukasz Gieryk return; 7119746d42b1SŁukasz Gieryk } 7120746d42b1SŁukasz Gieryk 7121746d42b1SŁukasz Gieryk if (params->max_ioqpairs < params->sriov_vq_flexible + 2) { 7122746d42b1SŁukasz Gieryk error_setg(errp, "(max_ioqpairs - sriov_vq_flexible) must be" 7123746d42b1SŁukasz Gieryk " greater than or equal to 2"); 7124746d42b1SŁukasz Gieryk return; 7125746d42b1SŁukasz Gieryk } 7126746d42b1SŁukasz Gieryk 7127746d42b1SŁukasz Gieryk if (params->sriov_vi_flexible < params->sriov_max_vfs) { 7128746d42b1SŁukasz Gieryk error_setg(errp, "sriov_vi_flexible must be greater than or equal" 7129746d42b1SŁukasz Gieryk " to %d (sriov_max_vfs)", params->sriov_max_vfs); 7130746d42b1SŁukasz Gieryk return; 7131746d42b1SŁukasz Gieryk } 7132746d42b1SŁukasz Gieryk 7133746d42b1SŁukasz Gieryk if (params->msix_qsize < params->sriov_vi_flexible + 1) { 7134746d42b1SŁukasz Gieryk error_setg(errp, "(msix_qsize - sriov_vi_flexible) must be" 7135746d42b1SŁukasz Gieryk " greater than or equal to 1"); 7136746d42b1SŁukasz Gieryk return; 7137746d42b1SŁukasz Gieryk } 7138746d42b1SŁukasz Gieryk 7139746d42b1SŁukasz Gieryk if (params->sriov_max_vi_per_vf && 7140746d42b1SŁukasz Gieryk (params->sriov_max_vi_per_vf - 1) % NVME_VF_RES_GRANULARITY) { 7141746d42b1SŁukasz Gieryk error_setg(errp, "sriov_max_vi_per_vf must meet:" 7142746d42b1SŁukasz Gieryk " (sriov_max_vi_per_vf - 1) %% %d == 0 and" 7143746d42b1SŁukasz Gieryk " sriov_max_vi_per_vf >= 1", NVME_VF_RES_GRANULARITY); 7144746d42b1SŁukasz Gieryk return; 7145746d42b1SŁukasz Gieryk } 7146746d42b1SŁukasz Gieryk 7147746d42b1SŁukasz Gieryk if (params->sriov_max_vq_per_vf && 7148746d42b1SŁukasz Gieryk (params->sriov_max_vq_per_vf < 2 || 7149746d42b1SŁukasz Gieryk (params->sriov_max_vq_per_vf - 1) % NVME_VF_RES_GRANULARITY)) { 7150746d42b1SŁukasz Gieryk error_setg(errp, "sriov_max_vq_per_vf must meet:" 7151746d42b1SŁukasz Gieryk " (sriov_max_vq_per_vf - 1) %% %d == 0 and" 7152746d42b1SŁukasz Gieryk " sriov_max_vq_per_vf >= 2", NVME_VF_RES_GRANULARITY); 7153746d42b1SŁukasz Gieryk return; 7154746d42b1SŁukasz Gieryk } 715544c2c094SLukasz Maniak } 715688eea45cSKlaus Jensen } 715788eea45cSKlaus Jensen 715888eea45cSKlaus Jensen static void nvme_init_state(NvmeCtrl *n) 715988eea45cSKlaus Jensen { 71605e6f963fSLukasz Maniak NvmePriCtrlCap *cap = &n->pri_ctrl_cap; 716199f48ae7SLukasz Maniak NvmeSecCtrlList *list = &n->sec_ctrl_list; 716299f48ae7SLukasz Maniak NvmeSecCtrlEntry *sctrl; 7163746d42b1SŁukasz Gieryk uint8_t max_vfs; 716499f48ae7SLukasz Maniak int i; 71655e6f963fSLukasz Maniak 7166746d42b1SŁukasz Gieryk if (pci_is_vf(&n->parent_obj)) { 7167746d42b1SŁukasz Gieryk sctrl = nvme_sctrl(n); 7168746d42b1SŁukasz Gieryk max_vfs = 0; 7169746d42b1SŁukasz Gieryk n->conf_ioqpairs = sctrl->nvq ? le16_to_cpu(sctrl->nvq) - 1 : 0; 7170746d42b1SŁukasz Gieryk n->conf_msix_qsize = sctrl->nvi ? le16_to_cpu(sctrl->nvi) : 1; 7171746d42b1SŁukasz Gieryk } else { 7172746d42b1SŁukasz Gieryk max_vfs = n->params.sriov_max_vfs; 7173decc0261SŁukasz Gieryk n->conf_ioqpairs = n->params.max_ioqpairs; 7174decc0261SŁukasz Gieryk n->conf_msix_qsize = n->params.msix_qsize; 7175746d42b1SŁukasz Gieryk } 7176decc0261SŁukasz Gieryk 717788eea45cSKlaus Jensen n->sq = g_new0(NvmeSQueue *, n->params.max_ioqpairs + 1); 717888eea45cSKlaus Jensen n->cq = g_new0(NvmeCQueue *, n->params.max_ioqpairs + 1); 717988eea45cSKlaus Jensen n->temperature = NVME_TEMPERATURE; 718088eea45cSKlaus Jensen n->features.temp_thresh_hi = NVME_TEMPERATURE_WARNING; 718188eea45cSKlaus Jensen n->starttime_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 718288eea45cSKlaus Jensen n->aer_reqs = g_new0(NvmeRequest *, n->params.aerl + 1); 7183b7698b91SŁukasz Gieryk QTAILQ_INIT(&n->aer_queue); 71845e6f963fSLukasz Maniak 7185746d42b1SŁukasz Gieryk list->numcntl = cpu_to_le16(max_vfs); 7186746d42b1SŁukasz Gieryk for (i = 0; i < max_vfs; i++) { 718799f48ae7SLukasz Maniak sctrl = &list->sec[i]; 718899f48ae7SLukasz Maniak sctrl->pcid = cpu_to_le16(n->cntlid); 718999f48ae7SLukasz Maniak sctrl->vfn = cpu_to_le16(i + 1); 719099f48ae7SLukasz Maniak } 719199f48ae7SLukasz Maniak 71925e6f963fSLukasz Maniak cap->cntlid = cpu_to_le16(n->cntlid); 7193746d42b1SŁukasz Gieryk cap->crt = NVME_CRT_VQ | NVME_CRT_VI; 7194746d42b1SŁukasz Gieryk 7195746d42b1SŁukasz Gieryk if (pci_is_vf(&n->parent_obj)) { 7196746d42b1SŁukasz Gieryk cap->vqprt = cpu_to_le16(1 + n->conf_ioqpairs); 7197746d42b1SŁukasz Gieryk } else { 7198746d42b1SŁukasz Gieryk cap->vqprt = cpu_to_le16(1 + n->params.max_ioqpairs - 7199746d42b1SŁukasz Gieryk n->params.sriov_vq_flexible); 7200746d42b1SŁukasz Gieryk cap->vqfrt = cpu_to_le32(n->params.sriov_vq_flexible); 7201746d42b1SŁukasz Gieryk cap->vqrfap = cap->vqfrt; 7202746d42b1SŁukasz Gieryk cap->vqgran = cpu_to_le16(NVME_VF_RES_GRANULARITY); 7203746d42b1SŁukasz Gieryk cap->vqfrsm = n->params.sriov_max_vq_per_vf ? 7204746d42b1SŁukasz Gieryk cpu_to_le16(n->params.sriov_max_vq_per_vf) : 7205746d42b1SŁukasz Gieryk cap->vqfrt / MAX(max_vfs, 1); 7206746d42b1SŁukasz Gieryk } 7207746d42b1SŁukasz Gieryk 7208746d42b1SŁukasz Gieryk if (pci_is_vf(&n->parent_obj)) { 7209746d42b1SŁukasz Gieryk cap->viprt = cpu_to_le16(n->conf_msix_qsize); 7210746d42b1SŁukasz Gieryk } else { 7211746d42b1SŁukasz Gieryk cap->viprt = cpu_to_le16(n->params.msix_qsize - 7212746d42b1SŁukasz Gieryk n->params.sriov_vi_flexible); 7213746d42b1SŁukasz Gieryk cap->vifrt = cpu_to_le32(n->params.sriov_vi_flexible); 7214746d42b1SŁukasz Gieryk cap->virfap = cap->vifrt; 7215746d42b1SŁukasz Gieryk cap->vigran = cpu_to_le16(NVME_VF_RES_GRANULARITY); 7216746d42b1SŁukasz Gieryk cap->vifrsm = n->params.sriov_max_vi_per_vf ? 7217746d42b1SŁukasz Gieryk cpu_to_le16(n->params.sriov_max_vi_per_vf) : 7218746d42b1SŁukasz Gieryk cap->vifrt / MAX(max_vfs, 1); 7219746d42b1SŁukasz Gieryk } 722088eea45cSKlaus Jensen } 722188eea45cSKlaus Jensen 722288eea45cSKlaus Jensen static void nvme_init_cmb(NvmeCtrl *n, PCIDevice *pci_dev) 722388eea45cSKlaus Jensen { 722488eea45cSKlaus Jensen uint64_t cmb_size = n->params.cmb_size_mb * MiB; 722549e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 722688eea45cSKlaus Jensen 722788eea45cSKlaus Jensen n->cmb.buf = g_malloc0(cmb_size); 722888eea45cSKlaus Jensen memory_region_init_io(&n->cmb.mem, OBJECT(n), &nvme_cmb_ops, n, 722988eea45cSKlaus Jensen "nvme-cmb", cmb_size); 723088eea45cSKlaus Jensen pci_register_bar(pci_dev, NVME_CMB_BIR, 723188eea45cSKlaus Jensen PCI_BASE_ADDRESS_SPACE_MEMORY | 723288eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64 | 723388eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_PREFETCH, &n->cmb.mem); 723488eea45cSKlaus Jensen 723549e03457SKlaus Jensen NVME_CAP_SET_CMBS(cap, 1); 723649e03457SKlaus Jensen stq_le_p(&n->bar.cap, cap); 723788eea45cSKlaus Jensen 723888eea45cSKlaus Jensen if (n->params.legacy_cmb) { 723988eea45cSKlaus Jensen nvme_cmb_enable_regs(n); 724088eea45cSKlaus Jensen n->cmb.cmse = true; 724188eea45cSKlaus Jensen } 724288eea45cSKlaus Jensen } 724388eea45cSKlaus Jensen 724488eea45cSKlaus Jensen static void nvme_init_pmr(NvmeCtrl *n, PCIDevice *pci_dev) 724588eea45cSKlaus Jensen { 724649e03457SKlaus Jensen uint32_t pmrcap = ldl_le_p(&n->bar.pmrcap); 724788eea45cSKlaus Jensen 724849e03457SKlaus Jensen NVME_PMRCAP_SET_RDS(pmrcap, 1); 724949e03457SKlaus Jensen NVME_PMRCAP_SET_WDS(pmrcap, 1); 725049e03457SKlaus Jensen NVME_PMRCAP_SET_BIR(pmrcap, NVME_PMR_BIR); 725149e03457SKlaus Jensen /* Turn on bit 1 support */ 725249e03457SKlaus Jensen NVME_PMRCAP_SET_PMRWBM(pmrcap, 0x02); 725349e03457SKlaus Jensen NVME_PMRCAP_SET_CMSS(pmrcap, 1); 725449e03457SKlaus Jensen stl_le_p(&n->bar.pmrcap, pmrcap); 725549e03457SKlaus Jensen 725649e03457SKlaus Jensen pci_register_bar(pci_dev, NVME_PMR_BIR, 725788eea45cSKlaus Jensen PCI_BASE_ADDRESS_SPACE_MEMORY | 725888eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64 | 725988eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_PREFETCH, &n->pmr.dev->mr); 726088eea45cSKlaus Jensen 726188eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, false); 726288eea45cSKlaus Jensen } 726388eea45cSKlaus Jensen 7264aa817713SŁukasz Gieryk static uint64_t nvme_bar_size(unsigned total_queues, unsigned total_irqs, 7265aa817713SŁukasz Gieryk unsigned *msix_table_offset, 7266aa817713SŁukasz Gieryk unsigned *msix_pba_offset) 7267aa817713SŁukasz Gieryk { 7268aa817713SŁukasz Gieryk uint64_t bar_size, msix_table_size, msix_pba_size; 7269aa817713SŁukasz Gieryk 7270aa817713SŁukasz Gieryk bar_size = sizeof(NvmeBar) + 2 * total_queues * NVME_DB_SIZE; 7271aa817713SŁukasz Gieryk bar_size = QEMU_ALIGN_UP(bar_size, 4 * KiB); 7272aa817713SŁukasz Gieryk 7273aa817713SŁukasz Gieryk if (msix_table_offset) { 7274aa817713SŁukasz Gieryk *msix_table_offset = bar_size; 7275aa817713SŁukasz Gieryk } 7276aa817713SŁukasz Gieryk 7277aa817713SŁukasz Gieryk msix_table_size = PCI_MSIX_ENTRY_SIZE * total_irqs; 7278aa817713SŁukasz Gieryk bar_size += msix_table_size; 7279aa817713SŁukasz Gieryk bar_size = QEMU_ALIGN_UP(bar_size, 4 * KiB); 7280aa817713SŁukasz Gieryk 7281aa817713SŁukasz Gieryk if (msix_pba_offset) { 7282aa817713SŁukasz Gieryk *msix_pba_offset = bar_size; 7283aa817713SŁukasz Gieryk } 7284aa817713SŁukasz Gieryk 7285aa817713SŁukasz Gieryk msix_pba_size = QEMU_ALIGN_UP(total_irqs, 64) / 8; 7286aa817713SŁukasz Gieryk bar_size += msix_pba_size; 7287aa817713SŁukasz Gieryk 7288aa817713SŁukasz Gieryk bar_size = pow2ceil(bar_size); 7289aa817713SŁukasz Gieryk return bar_size; 7290aa817713SŁukasz Gieryk } 7291aa817713SŁukasz Gieryk 7292746d42b1SŁukasz Gieryk static void nvme_init_sriov(NvmeCtrl *n, PCIDevice *pci_dev, uint16_t offset) 729344c2c094SLukasz Maniak { 729444c2c094SLukasz Maniak uint16_t vf_dev_id = n->params.use_intel_id ? 729544c2c094SLukasz Maniak PCI_DEVICE_ID_INTEL_NVME : PCI_DEVICE_ID_REDHAT_NVME; 7296746d42b1SŁukasz Gieryk NvmePriCtrlCap *cap = &n->pri_ctrl_cap; 7297746d42b1SŁukasz Gieryk uint64_t bar_size = nvme_bar_size(le16_to_cpu(cap->vqfrsm), 7298746d42b1SŁukasz Gieryk le16_to_cpu(cap->vifrsm), 7299746d42b1SŁukasz Gieryk NULL, NULL); 730044c2c094SLukasz Maniak 730144c2c094SLukasz Maniak pcie_sriov_pf_init(pci_dev, offset, "nvme", vf_dev_id, 730244c2c094SLukasz Maniak n->params.sriov_max_vfs, n->params.sriov_max_vfs, 730344c2c094SLukasz Maniak NVME_VF_OFFSET, NVME_VF_STRIDE); 730444c2c094SLukasz Maniak 730544c2c094SLukasz Maniak pcie_sriov_pf_init_vf_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY | 730644c2c094SLukasz Maniak PCI_BASE_ADDRESS_MEM_TYPE_64, bar_size); 730744c2c094SLukasz Maniak } 730844c2c094SLukasz Maniak 73091e9c685eSŁukasz Gieryk static int nvme_add_pm_capability(PCIDevice *pci_dev, uint8_t offset) 73101e9c685eSŁukasz Gieryk { 73111e9c685eSŁukasz Gieryk Error *err = NULL; 73121e9c685eSŁukasz Gieryk int ret; 73131e9c685eSŁukasz Gieryk 73141e9c685eSŁukasz Gieryk ret = pci_add_capability(pci_dev, PCI_CAP_ID_PM, offset, 73151e9c685eSŁukasz Gieryk PCI_PM_SIZEOF, &err); 73161e9c685eSŁukasz Gieryk if (err) { 73171e9c685eSŁukasz Gieryk error_report_err(err); 73181e9c685eSŁukasz Gieryk return ret; 73191e9c685eSŁukasz Gieryk } 73201e9c685eSŁukasz Gieryk 73211e9c685eSŁukasz Gieryk pci_set_word(pci_dev->config + offset + PCI_PM_PMC, 73221e9c685eSŁukasz Gieryk PCI_PM_CAP_VER_1_2); 73231e9c685eSŁukasz Gieryk pci_set_word(pci_dev->config + offset + PCI_PM_CTRL, 73241e9c685eSŁukasz Gieryk PCI_PM_CTRL_NO_SOFT_RESET); 73251e9c685eSŁukasz Gieryk pci_set_word(pci_dev->wmask + offset + PCI_PM_CTRL, 73261e9c685eSŁukasz Gieryk PCI_PM_CTRL_STATE_MASK); 73271e9c685eSŁukasz Gieryk 73281e9c685eSŁukasz Gieryk return 0; 73291e9c685eSŁukasz Gieryk } 73301e9c685eSŁukasz Gieryk 733188eea45cSKlaus Jensen static int nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev, Error **errp) 733288eea45cSKlaus Jensen { 733388eea45cSKlaus Jensen uint8_t *pci_conf = pci_dev->config; 7334aa817713SŁukasz Gieryk uint64_t bar_size; 733588eea45cSKlaus Jensen unsigned msix_table_offset, msix_pba_offset; 733688eea45cSKlaus Jensen int ret; 733788eea45cSKlaus Jensen 733888eea45cSKlaus Jensen Error *err = NULL; 733988eea45cSKlaus Jensen 734088eea45cSKlaus Jensen pci_conf[PCI_INTERRUPT_PIN] = 1; 734188eea45cSKlaus Jensen pci_config_set_prog_interface(pci_conf, 0x2); 734288eea45cSKlaus Jensen 734388eea45cSKlaus Jensen if (n->params.use_intel_id) { 734488eea45cSKlaus Jensen pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL); 734544c2c094SLukasz Maniak pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_INTEL_NVME); 734688eea45cSKlaus Jensen } else { 734788eea45cSKlaus Jensen pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_REDHAT); 734888eea45cSKlaus Jensen pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_REDHAT_NVME); 734988eea45cSKlaus Jensen } 735088eea45cSKlaus Jensen 735188eea45cSKlaus Jensen pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_EXPRESS); 73521e9c685eSŁukasz Gieryk nvme_add_pm_capability(pci_dev, 0x60); 735388eea45cSKlaus Jensen pcie_endpoint_cap_init(pci_dev, 0x80); 73541e9c685eSŁukasz Gieryk pcie_cap_flr_init(pci_dev); 735544c2c094SLukasz Maniak if (n->params.sriov_max_vfs) { 735644c2c094SLukasz Maniak pcie_ari_init(pci_dev, 0x100, 1); 735744c2c094SLukasz Maniak } 735888eea45cSKlaus Jensen 73593bfcc517SŁukasz Gieryk /* add one to max_ioqpairs to account for the admin queue pair */ 7360aa817713SŁukasz Gieryk bar_size = nvme_bar_size(n->params.max_ioqpairs + 1, n->params.msix_qsize, 7361aa817713SŁukasz Gieryk &msix_table_offset, &msix_pba_offset); 736288eea45cSKlaus Jensen 736388eea45cSKlaus Jensen memory_region_init(&n->bar0, OBJECT(n), "nvme-bar0", bar_size); 736488eea45cSKlaus Jensen memory_region_init_io(&n->iomem, OBJECT(n), &nvme_mmio_ops, n, "nvme", 73653bfcc517SŁukasz Gieryk msix_table_offset); 736688eea45cSKlaus Jensen memory_region_add_subregion(&n->bar0, 0, &n->iomem); 736788eea45cSKlaus Jensen 736844c2c094SLukasz Maniak if (pci_is_vf(pci_dev)) { 736944c2c094SLukasz Maniak pcie_sriov_vf_register_bar(pci_dev, 0, &n->bar0); 737044c2c094SLukasz Maniak } else { 737188eea45cSKlaus Jensen pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY | 737288eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64, &n->bar0); 737344c2c094SLukasz Maniak } 737488eea45cSKlaus Jensen ret = msix_init(pci_dev, n->params.msix_qsize, 737588eea45cSKlaus Jensen &n->bar0, 0, msix_table_offset, 737688eea45cSKlaus Jensen &n->bar0, 0, msix_pba_offset, 0, &err); 737788eea45cSKlaus Jensen if (ret < 0) { 737888eea45cSKlaus Jensen if (ret == -ENOTSUP) { 737988eea45cSKlaus Jensen warn_report_err(err); 738088eea45cSKlaus Jensen } else { 738188eea45cSKlaus Jensen error_propagate(errp, err); 738288eea45cSKlaus Jensen return ret; 738388eea45cSKlaus Jensen } 738488eea45cSKlaus Jensen } 738588eea45cSKlaus Jensen 7386decc0261SŁukasz Gieryk nvme_update_msixcap_ts(pci_dev, n->conf_msix_qsize); 7387decc0261SŁukasz Gieryk 738888eea45cSKlaus Jensen if (n->params.cmb_size_mb) { 738988eea45cSKlaus Jensen nvme_init_cmb(n, pci_dev); 739088eea45cSKlaus Jensen } 739188eea45cSKlaus Jensen 739288eea45cSKlaus Jensen if (n->pmr.dev) { 739388eea45cSKlaus Jensen nvme_init_pmr(n, pci_dev); 739488eea45cSKlaus Jensen } 739588eea45cSKlaus Jensen 739644c2c094SLukasz Maniak if (!pci_is_vf(pci_dev) && n->params.sriov_max_vfs) { 7397746d42b1SŁukasz Gieryk nvme_init_sriov(n, pci_dev, 0x120); 739844c2c094SLukasz Maniak } 739944c2c094SLukasz Maniak 740088eea45cSKlaus Jensen return 0; 740188eea45cSKlaus Jensen } 740288eea45cSKlaus Jensen 740388eea45cSKlaus Jensen static void nvme_init_subnqn(NvmeCtrl *n) 740488eea45cSKlaus Jensen { 740588eea45cSKlaus Jensen NvmeSubsystem *subsys = n->subsys; 740688eea45cSKlaus Jensen NvmeIdCtrl *id = &n->id_ctrl; 740788eea45cSKlaus Jensen 740888eea45cSKlaus Jensen if (!subsys) { 740988eea45cSKlaus Jensen snprintf((char *)id->subnqn, sizeof(id->subnqn), 741088eea45cSKlaus Jensen "nqn.2019-08.org.qemu:%s", n->params.serial); 741188eea45cSKlaus Jensen } else { 741288eea45cSKlaus Jensen pstrcpy((char *)id->subnqn, sizeof(id->subnqn), (char*)subsys->subnqn); 741388eea45cSKlaus Jensen } 741488eea45cSKlaus Jensen } 741588eea45cSKlaus Jensen 741688eea45cSKlaus Jensen static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev) 741788eea45cSKlaus Jensen { 741888eea45cSKlaus Jensen NvmeIdCtrl *id = &n->id_ctrl; 741988eea45cSKlaus Jensen uint8_t *pci_conf = pci_dev->config; 742049e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 7421746d42b1SŁukasz Gieryk NvmeSecCtrlEntry *sctrl = nvme_sctrl(n); 742288eea45cSKlaus Jensen 742388eea45cSKlaus Jensen id->vid = cpu_to_le16(pci_get_word(pci_conf + PCI_VENDOR_ID)); 742488eea45cSKlaus Jensen id->ssvid = cpu_to_le16(pci_get_word(pci_conf + PCI_SUBSYSTEM_VENDOR_ID)); 742588eea45cSKlaus Jensen strpadcpy((char *)id->mn, sizeof(id->mn), "QEMU NVMe Ctrl", ' '); 7426fbba243bSKlaus Jensen strpadcpy((char *)id->fr, sizeof(id->fr), QEMU_VERSION, ' '); 742788eea45cSKlaus Jensen strpadcpy((char *)id->sn, sizeof(id->sn), n->params.serial, ' '); 742888eea45cSKlaus Jensen 742988eea45cSKlaus Jensen id->cntlid = cpu_to_le16(n->cntlid); 743088eea45cSKlaus Jensen 743188eea45cSKlaus Jensen id->oaes = cpu_to_le32(NVME_OAES_NS_ATTR); 7432763c05dfSNaveen Nagar id->ctratt |= cpu_to_le32(NVME_CTRATT_ELBAS); 743388eea45cSKlaus Jensen 743488eea45cSKlaus Jensen id->rab = 6; 743588eea45cSKlaus Jensen 743688eea45cSKlaus Jensen if (n->params.use_intel_id) { 743788eea45cSKlaus Jensen id->ieee[0] = 0xb3; 743888eea45cSKlaus Jensen id->ieee[1] = 0x02; 743988eea45cSKlaus Jensen id->ieee[2] = 0x00; 744088eea45cSKlaus Jensen } else { 744188eea45cSKlaus Jensen id->ieee[0] = 0x00; 744288eea45cSKlaus Jensen id->ieee[1] = 0x54; 744388eea45cSKlaus Jensen id->ieee[2] = 0x52; 744488eea45cSKlaus Jensen } 744588eea45cSKlaus Jensen 744688eea45cSKlaus Jensen id->mdts = n->params.mdts; 744788eea45cSKlaus Jensen id->ver = cpu_to_le32(NVME_SPEC_VER); 74483f7fe8deSJinhao Fan id->oacs = 74493f7fe8deSJinhao Fan cpu_to_le16(NVME_OACS_NS_MGMT | NVME_OACS_FORMAT | NVME_OACS_DBBUF); 745088eea45cSKlaus Jensen id->cntrltype = 0x1; 745188eea45cSKlaus Jensen 745288eea45cSKlaus Jensen /* 745388eea45cSKlaus Jensen * Because the controller always completes the Abort command immediately, 745488eea45cSKlaus Jensen * there can never be more than one concurrently executing Abort command, 745588eea45cSKlaus Jensen * so this value is never used for anything. Note that there can easily be 745688eea45cSKlaus Jensen * many Abort commands in the queues, but they are not considered 745788eea45cSKlaus Jensen * "executing" until processed by nvme_abort. 745888eea45cSKlaus Jensen * 745988eea45cSKlaus Jensen * The specification recommends a value of 3 for Abort Command Limit (four 746088eea45cSKlaus Jensen * concurrently outstanding Abort commands), so lets use that though it is 746188eea45cSKlaus Jensen * inconsequential. 746288eea45cSKlaus Jensen */ 746388eea45cSKlaus Jensen id->acl = 3; 746488eea45cSKlaus Jensen id->aerl = n->params.aerl; 746588eea45cSKlaus Jensen id->frmw = (NVME_NUM_FW_SLOTS << 1) | NVME_FRMW_SLOT1_RO; 746688eea45cSKlaus Jensen id->lpa = NVME_LPA_NS_SMART | NVME_LPA_CSE | NVME_LPA_EXTENDED; 746788eea45cSKlaus Jensen 746888eea45cSKlaus Jensen /* recommended default value (~70 C) */ 746988eea45cSKlaus Jensen id->wctemp = cpu_to_le16(NVME_TEMPERATURE_WARNING); 747088eea45cSKlaus Jensen id->cctemp = cpu_to_le16(NVME_TEMPERATURE_CRITICAL); 747188eea45cSKlaus Jensen 747288eea45cSKlaus Jensen id->sqes = (0x6 << 4) | 0x6; 747388eea45cSKlaus Jensen id->cqes = (0x4 << 4) | 0x4; 747488eea45cSKlaus Jensen id->nn = cpu_to_le32(NVME_MAX_NAMESPACES); 747588eea45cSKlaus Jensen id->oncs = cpu_to_le16(NVME_ONCS_WRITE_ZEROES | NVME_ONCS_TIMESTAMP | 747688eea45cSKlaus Jensen NVME_ONCS_FEATURES | NVME_ONCS_DSM | 747788eea45cSKlaus Jensen NVME_ONCS_COMPARE | NVME_ONCS_COPY); 747888eea45cSKlaus Jensen 747988eea45cSKlaus Jensen /* 748088eea45cSKlaus Jensen * NOTE: If this device ever supports a command set that does NOT use 0x0 748188eea45cSKlaus Jensen * as a Flush-equivalent operation, support for the broadcast NSID in Flush 748288eea45cSKlaus Jensen * should probably be removed. 748388eea45cSKlaus Jensen * 748488eea45cSKlaus Jensen * See comment in nvme_io_cmd. 748588eea45cSKlaus Jensen */ 748688eea45cSKlaus Jensen id->vwc = NVME_VWC_NSID_BROADCAST_SUPPORT | NVME_VWC_PRESENT; 748788eea45cSKlaus Jensen 748844219b60SNaveen Nagar id->ocfs = cpu_to_le16(NVME_OCFS_COPY_FORMAT_0 | NVME_OCFS_COPY_FORMAT_1); 7489b9147a3aSKlaus Jensen id->sgls = cpu_to_le32(NVME_CTRL_SGLS_SUPPORT_NO_ALIGN); 749088eea45cSKlaus Jensen 749188eea45cSKlaus Jensen nvme_init_subnqn(n); 749288eea45cSKlaus Jensen 749388eea45cSKlaus Jensen id->psd[0].mp = cpu_to_le16(0x9c4); 749488eea45cSKlaus Jensen id->psd[0].enlat = cpu_to_le32(0x10); 749588eea45cSKlaus Jensen id->psd[0].exlat = cpu_to_le32(0x4); 749688eea45cSKlaus Jensen 749788eea45cSKlaus Jensen if (n->subsys) { 749888eea45cSKlaus Jensen id->cmic |= NVME_CMIC_MULTI_CTRL; 749988eea45cSKlaus Jensen } 750088eea45cSKlaus Jensen 750149e03457SKlaus Jensen NVME_CAP_SET_MQES(cap, 0x7ff); 750249e03457SKlaus Jensen NVME_CAP_SET_CQR(cap, 1); 750349e03457SKlaus Jensen NVME_CAP_SET_TO(cap, 0xf); 750449e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_NVM); 750549e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_CSI_SUPP); 750649e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_ADMIN_ONLY); 750749e03457SKlaus Jensen NVME_CAP_SET_MPSMAX(cap, 4); 750849e03457SKlaus Jensen NVME_CAP_SET_CMBS(cap, n->params.cmb_size_mb ? 1 : 0); 750949e03457SKlaus Jensen NVME_CAP_SET_PMRS(cap, n->pmr.dev ? 1 : 0); 751049e03457SKlaus Jensen stq_le_p(&n->bar.cap, cap); 751188eea45cSKlaus Jensen 751249e03457SKlaus Jensen stl_le_p(&n->bar.vs, NVME_SPEC_VER); 751388eea45cSKlaus Jensen n->bar.intmc = n->bar.intms = 0; 7514746d42b1SŁukasz Gieryk 7515746d42b1SŁukasz Gieryk if (pci_is_vf(&n->parent_obj) && !sctrl->scs) { 7516746d42b1SŁukasz Gieryk stl_le_p(&n->bar.csts, NVME_CSTS_FAILED); 7517746d42b1SŁukasz Gieryk } 751888eea45cSKlaus Jensen } 751988eea45cSKlaus Jensen 752088eea45cSKlaus Jensen static int nvme_init_subsys(NvmeCtrl *n, Error **errp) 752188eea45cSKlaus Jensen { 752288eea45cSKlaus Jensen int cntlid; 752388eea45cSKlaus Jensen 752488eea45cSKlaus Jensen if (!n->subsys) { 752588eea45cSKlaus Jensen return 0; 752688eea45cSKlaus Jensen } 752788eea45cSKlaus Jensen 752888eea45cSKlaus Jensen cntlid = nvme_subsys_register_ctrl(n, errp); 752988eea45cSKlaus Jensen if (cntlid < 0) { 753088eea45cSKlaus Jensen return -1; 753188eea45cSKlaus Jensen } 753288eea45cSKlaus Jensen 753388eea45cSKlaus Jensen n->cntlid = cntlid; 753488eea45cSKlaus Jensen 753588eea45cSKlaus Jensen return 0; 753688eea45cSKlaus Jensen } 753788eea45cSKlaus Jensen 753888eea45cSKlaus Jensen void nvme_attach_ns(NvmeCtrl *n, NvmeNamespace *ns) 753988eea45cSKlaus Jensen { 754088eea45cSKlaus Jensen uint32_t nsid = ns->params.nsid; 754188eea45cSKlaus Jensen assert(nsid && nsid <= NVME_MAX_NAMESPACES); 754288eea45cSKlaus Jensen 754388eea45cSKlaus Jensen n->namespaces[nsid] = ns; 754488eea45cSKlaus Jensen ns->attached++; 754588eea45cSKlaus Jensen 754688eea45cSKlaus Jensen n->dmrsl = MIN_NON_ZERO(n->dmrsl, 754788eea45cSKlaus Jensen BDRV_REQUEST_MAX_BYTES / nvme_l2b(ns, 1)); 754888eea45cSKlaus Jensen } 754988eea45cSKlaus Jensen 755088eea45cSKlaus Jensen static void nvme_realize(PCIDevice *pci_dev, Error **errp) 755188eea45cSKlaus Jensen { 755288eea45cSKlaus Jensen NvmeCtrl *n = NVME(pci_dev); 755388eea45cSKlaus Jensen NvmeNamespace *ns; 755488eea45cSKlaus Jensen Error *local_err = NULL; 755544c2c094SLukasz Maniak NvmeCtrl *pn = NVME(pcie_sriov_get_pf(pci_dev)); 755644c2c094SLukasz Maniak 755744c2c094SLukasz Maniak if (pci_is_vf(pci_dev)) { 755844c2c094SLukasz Maniak /* 755944c2c094SLukasz Maniak * VFs derive settings from the parent. PF's lifespan exceeds 756044c2c094SLukasz Maniak * that of VF's, so it's safe to share params.serial. 756144c2c094SLukasz Maniak */ 756244c2c094SLukasz Maniak memcpy(&n->params, &pn->params, sizeof(NvmeParams)); 756344c2c094SLukasz Maniak n->subsys = pn->subsys; 756444c2c094SLukasz Maniak } 756588eea45cSKlaus Jensen 756688eea45cSKlaus Jensen nvme_check_constraints(n, &local_err); 756788eea45cSKlaus Jensen if (local_err) { 756888eea45cSKlaus Jensen error_propagate(errp, local_err); 756988eea45cSKlaus Jensen return; 757088eea45cSKlaus Jensen } 757188eea45cSKlaus Jensen 7572d637e1dcSPeter Maydell qbus_init(&n->bus, sizeof(NvmeBus), TYPE_NVME_BUS, 757388eea45cSKlaus Jensen &pci_dev->qdev, n->parent_obj.qdev.id); 757488eea45cSKlaus Jensen 757588eea45cSKlaus Jensen if (nvme_init_subsys(n, errp)) { 757688eea45cSKlaus Jensen error_propagate(errp, local_err); 757788eea45cSKlaus Jensen return; 757888eea45cSKlaus Jensen } 75795e6f963fSLukasz Maniak nvme_init_state(n); 75805e6f963fSLukasz Maniak if (nvme_init_pci(n, pci_dev, errp)) { 75815e6f963fSLukasz Maniak return; 75825e6f963fSLukasz Maniak } 758388eea45cSKlaus Jensen nvme_init_ctrl(n, pci_dev); 758488eea45cSKlaus Jensen 758588eea45cSKlaus Jensen /* setup a namespace if the controller drive property was given */ 758688eea45cSKlaus Jensen if (n->namespace.blkconf.blk) { 758788eea45cSKlaus Jensen ns = &n->namespace; 758888eea45cSKlaus Jensen ns->params.nsid = 1; 758988eea45cSKlaus Jensen 75905e4f6bccSKlaus Jensen if (nvme_ns_setup(ns, errp)) { 759188eea45cSKlaus Jensen return; 759288eea45cSKlaus Jensen } 759388eea45cSKlaus Jensen 759488eea45cSKlaus Jensen nvme_attach_ns(n, ns); 759588eea45cSKlaus Jensen } 759688eea45cSKlaus Jensen } 759788eea45cSKlaus Jensen 759888eea45cSKlaus Jensen static void nvme_exit(PCIDevice *pci_dev) 759988eea45cSKlaus Jensen { 760088eea45cSKlaus Jensen NvmeCtrl *n = NVME(pci_dev); 760188eea45cSKlaus Jensen NvmeNamespace *ns; 760288eea45cSKlaus Jensen int i; 760388eea45cSKlaus Jensen 76041e9c685eSŁukasz Gieryk nvme_ctrl_reset(n, NVME_RESET_FUNCTION); 760588eea45cSKlaus Jensen 76065ffbaeedSKlaus Jensen if (n->subsys) { 760788eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 760888eea45cSKlaus Jensen ns = nvme_ns(n, i); 76095ffbaeedSKlaus Jensen if (ns) { 76105ffbaeedSKlaus Jensen ns->attached--; 76115ffbaeedSKlaus Jensen } 761288eea45cSKlaus Jensen } 761388eea45cSKlaus Jensen 7614b0fde9e8SKlaus Jensen nvme_subsys_unregister_ctrl(n->subsys, n); 7615b0fde9e8SKlaus Jensen } 7616b0fde9e8SKlaus Jensen 761788eea45cSKlaus Jensen g_free(n->cq); 761888eea45cSKlaus Jensen g_free(n->sq); 761988eea45cSKlaus Jensen g_free(n->aer_reqs); 762088eea45cSKlaus Jensen 762188eea45cSKlaus Jensen if (n->params.cmb_size_mb) { 762288eea45cSKlaus Jensen g_free(n->cmb.buf); 762388eea45cSKlaus Jensen } 762488eea45cSKlaus Jensen 762588eea45cSKlaus Jensen if (n->pmr.dev) { 762688eea45cSKlaus Jensen host_memory_backend_set_mapped(n->pmr.dev, false); 762788eea45cSKlaus Jensen } 762844c2c094SLukasz Maniak 762944c2c094SLukasz Maniak if (!pci_is_vf(pci_dev) && n->params.sriov_max_vfs) { 763044c2c094SLukasz Maniak pcie_sriov_pf_exit(pci_dev); 763144c2c094SLukasz Maniak } 763244c2c094SLukasz Maniak 763388eea45cSKlaus Jensen msix_uninit(pci_dev, &n->bar0, &n->bar0); 763488eea45cSKlaus Jensen memory_region_del_subregion(&n->bar0, &n->iomem); 763588eea45cSKlaus Jensen } 763688eea45cSKlaus Jensen 763788eea45cSKlaus Jensen static Property nvme_props[] = { 763888eea45cSKlaus Jensen DEFINE_BLOCK_PROPERTIES(NvmeCtrl, namespace.blkconf), 763988eea45cSKlaus Jensen DEFINE_PROP_LINK("pmrdev", NvmeCtrl, pmr.dev, TYPE_MEMORY_BACKEND, 764088eea45cSKlaus Jensen HostMemoryBackend *), 764188eea45cSKlaus Jensen DEFINE_PROP_LINK("subsys", NvmeCtrl, subsys, TYPE_NVME_SUBSYS, 764288eea45cSKlaus Jensen NvmeSubsystem *), 764388eea45cSKlaus Jensen DEFINE_PROP_STRING("serial", NvmeCtrl, params.serial), 764488eea45cSKlaus Jensen DEFINE_PROP_UINT32("cmb_size_mb", NvmeCtrl, params.cmb_size_mb, 0), 764588eea45cSKlaus Jensen DEFINE_PROP_UINT32("num_queues", NvmeCtrl, params.num_queues, 0), 764688eea45cSKlaus Jensen DEFINE_PROP_UINT32("max_ioqpairs", NvmeCtrl, params.max_ioqpairs, 64), 764788eea45cSKlaus Jensen DEFINE_PROP_UINT16("msix_qsize", NvmeCtrl, params.msix_qsize, 65), 764888eea45cSKlaus Jensen DEFINE_PROP_UINT8("aerl", NvmeCtrl, params.aerl, 3), 764988eea45cSKlaus Jensen DEFINE_PROP_UINT32("aer_max_queued", NvmeCtrl, params.aer_max_queued, 64), 765088eea45cSKlaus Jensen DEFINE_PROP_UINT8("mdts", NvmeCtrl, params.mdts, 7), 765188eea45cSKlaus Jensen DEFINE_PROP_UINT8("vsl", NvmeCtrl, params.vsl, 7), 765288eea45cSKlaus Jensen DEFINE_PROP_BOOL("use-intel-id", NvmeCtrl, params.use_intel_id, false), 765388eea45cSKlaus Jensen DEFINE_PROP_BOOL("legacy-cmb", NvmeCtrl, params.legacy_cmb, false), 7654e2e137f6SKlaus Jensen DEFINE_PROP_BOOL("ioeventfd", NvmeCtrl, params.ioeventfd, false), 765588eea45cSKlaus Jensen DEFINE_PROP_UINT8("zoned.zasl", NvmeCtrl, params.zasl, 0), 7656cccc2651SNiklas Cassel DEFINE_PROP_BOOL("zoned.auto_transition", NvmeCtrl, 7657cccc2651SNiklas Cassel params.auto_transition_zones, true), 765844c2c094SLukasz Maniak DEFINE_PROP_UINT8("sriov_max_vfs", NvmeCtrl, params.sriov_max_vfs, 0), 7659746d42b1SŁukasz Gieryk DEFINE_PROP_UINT16("sriov_vq_flexible", NvmeCtrl, 7660746d42b1SŁukasz Gieryk params.sriov_vq_flexible, 0), 7661746d42b1SŁukasz Gieryk DEFINE_PROP_UINT16("sriov_vi_flexible", NvmeCtrl, 7662746d42b1SŁukasz Gieryk params.sriov_vi_flexible, 0), 7663746d42b1SŁukasz Gieryk DEFINE_PROP_UINT8("sriov_max_vi_per_vf", NvmeCtrl, 7664746d42b1SŁukasz Gieryk params.sriov_max_vi_per_vf, 0), 7665746d42b1SŁukasz Gieryk DEFINE_PROP_UINT8("sriov_max_vq_per_vf", NvmeCtrl, 7666746d42b1SŁukasz Gieryk params.sriov_max_vq_per_vf, 0), 766788eea45cSKlaus Jensen DEFINE_PROP_END_OF_LIST(), 766888eea45cSKlaus Jensen }; 766988eea45cSKlaus Jensen 767088eea45cSKlaus Jensen static void nvme_get_smart_warning(Object *obj, Visitor *v, const char *name, 767188eea45cSKlaus Jensen void *opaque, Error **errp) 767288eea45cSKlaus Jensen { 767388eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 767488eea45cSKlaus Jensen uint8_t value = n->smart_critical_warning; 767588eea45cSKlaus Jensen 767688eea45cSKlaus Jensen visit_type_uint8(v, name, &value, errp); 767788eea45cSKlaus Jensen } 767888eea45cSKlaus Jensen 767988eea45cSKlaus Jensen static void nvme_set_smart_warning(Object *obj, Visitor *v, const char *name, 768088eea45cSKlaus Jensen void *opaque, Error **errp) 768188eea45cSKlaus Jensen { 768288eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 768388eea45cSKlaus Jensen uint8_t value, old_value, cap = 0, index, event; 768488eea45cSKlaus Jensen 768588eea45cSKlaus Jensen if (!visit_type_uint8(v, name, &value, errp)) { 768688eea45cSKlaus Jensen return; 768788eea45cSKlaus Jensen } 768888eea45cSKlaus Jensen 768988eea45cSKlaus Jensen cap = NVME_SMART_SPARE | NVME_SMART_TEMPERATURE | NVME_SMART_RELIABILITY 769088eea45cSKlaus Jensen | NVME_SMART_MEDIA_READ_ONLY | NVME_SMART_FAILED_VOLATILE_MEDIA; 769149e03457SKlaus Jensen if (NVME_CAP_PMRS(ldq_le_p(&n->bar.cap))) { 769288eea45cSKlaus Jensen cap |= NVME_SMART_PMR_UNRELIABLE; 769388eea45cSKlaus Jensen } 769488eea45cSKlaus Jensen 769588eea45cSKlaus Jensen if ((value & cap) != value) { 769688eea45cSKlaus Jensen error_setg(errp, "unsupported smart critical warning bits: 0x%x", 769788eea45cSKlaus Jensen value & ~cap); 769888eea45cSKlaus Jensen return; 769988eea45cSKlaus Jensen } 770088eea45cSKlaus Jensen 770188eea45cSKlaus Jensen old_value = n->smart_critical_warning; 770288eea45cSKlaus Jensen n->smart_critical_warning = value; 770388eea45cSKlaus Jensen 770488eea45cSKlaus Jensen /* only inject new bits of smart critical warning */ 770588eea45cSKlaus Jensen for (index = 0; index < NVME_SMART_WARN_MAX; index++) { 770688eea45cSKlaus Jensen event = 1 << index; 770788eea45cSKlaus Jensen if (value & ~old_value & event) 770888eea45cSKlaus Jensen nvme_smart_event(n, event); 770988eea45cSKlaus Jensen } 771088eea45cSKlaus Jensen } 771188eea45cSKlaus Jensen 77121e9c685eSŁukasz Gieryk static void nvme_pci_reset(DeviceState *qdev) 77131e9c685eSŁukasz Gieryk { 77141e9c685eSŁukasz Gieryk PCIDevice *pci_dev = PCI_DEVICE(qdev); 77151e9c685eSŁukasz Gieryk NvmeCtrl *n = NVME(pci_dev); 77161e9c685eSŁukasz Gieryk 77171e9c685eSŁukasz Gieryk trace_pci_nvme_pci_reset(); 77181e9c685eSŁukasz Gieryk nvme_ctrl_reset(n, NVME_RESET_FUNCTION); 77191e9c685eSŁukasz Gieryk } 77201e9c685eSŁukasz Gieryk 772111871f53SŁukasz Gieryk static void nvme_sriov_pre_write_ctrl(PCIDevice *dev, uint32_t address, 772211871f53SŁukasz Gieryk uint32_t val, int len) 772311871f53SŁukasz Gieryk { 772411871f53SŁukasz Gieryk NvmeCtrl *n = NVME(dev); 772511871f53SŁukasz Gieryk NvmeSecCtrlEntry *sctrl; 772611871f53SŁukasz Gieryk uint16_t sriov_cap = dev->exp.sriov_cap; 772711871f53SŁukasz Gieryk uint32_t off = address - sriov_cap; 772811871f53SŁukasz Gieryk int i, num_vfs; 772911871f53SŁukasz Gieryk 773011871f53SŁukasz Gieryk if (!sriov_cap) { 773111871f53SŁukasz Gieryk return; 773211871f53SŁukasz Gieryk } 773311871f53SŁukasz Gieryk 773411871f53SŁukasz Gieryk if (range_covers_byte(off, len, PCI_SRIOV_CTRL)) { 773511871f53SŁukasz Gieryk if (!(val & PCI_SRIOV_CTRL_VFE)) { 773611871f53SŁukasz Gieryk num_vfs = pci_get_word(dev->config + sriov_cap + PCI_SRIOV_NUM_VF); 773711871f53SŁukasz Gieryk for (i = 0; i < num_vfs; i++) { 773811871f53SŁukasz Gieryk sctrl = &n->sec_ctrl_list.sec[i]; 773911871f53SŁukasz Gieryk nvme_virt_set_state(n, le16_to_cpu(sctrl->scid), false); 774011871f53SŁukasz Gieryk } 774111871f53SŁukasz Gieryk } 774211871f53SŁukasz Gieryk } 774311871f53SŁukasz Gieryk } 774411871f53SŁukasz Gieryk 77451e9c685eSŁukasz Gieryk static void nvme_pci_write_config(PCIDevice *dev, uint32_t address, 77461e9c685eSŁukasz Gieryk uint32_t val, int len) 77471e9c685eSŁukasz Gieryk { 774811871f53SŁukasz Gieryk nvme_sriov_pre_write_ctrl(dev, address, val, len); 77491e9c685eSŁukasz Gieryk pci_default_write_config(dev, address, val, len); 77501e9c685eSŁukasz Gieryk pcie_cap_flr_write_config(dev, address, val, len); 77511e9c685eSŁukasz Gieryk } 77521e9c685eSŁukasz Gieryk 775388eea45cSKlaus Jensen static const VMStateDescription nvme_vmstate = { 775488eea45cSKlaus Jensen .name = "nvme", 775588eea45cSKlaus Jensen .unmigratable = 1, 775688eea45cSKlaus Jensen }; 775788eea45cSKlaus Jensen 775888eea45cSKlaus Jensen static void nvme_class_init(ObjectClass *oc, void *data) 775988eea45cSKlaus Jensen { 776088eea45cSKlaus Jensen DeviceClass *dc = DEVICE_CLASS(oc); 776188eea45cSKlaus Jensen PCIDeviceClass *pc = PCI_DEVICE_CLASS(oc); 776288eea45cSKlaus Jensen 776388eea45cSKlaus Jensen pc->realize = nvme_realize; 77641e9c685eSŁukasz Gieryk pc->config_write = nvme_pci_write_config; 776588eea45cSKlaus Jensen pc->exit = nvme_exit; 776688eea45cSKlaus Jensen pc->class_id = PCI_CLASS_STORAGE_EXPRESS; 776788eea45cSKlaus Jensen pc->revision = 2; 776888eea45cSKlaus Jensen 776988eea45cSKlaus Jensen set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 777088eea45cSKlaus Jensen dc->desc = "Non-Volatile Memory Express"; 777188eea45cSKlaus Jensen device_class_set_props(dc, nvme_props); 777288eea45cSKlaus Jensen dc->vmsd = &nvme_vmstate; 77731e9c685eSŁukasz Gieryk dc->reset = nvme_pci_reset; 777488eea45cSKlaus Jensen } 777588eea45cSKlaus Jensen 777688eea45cSKlaus Jensen static void nvme_instance_init(Object *obj) 777788eea45cSKlaus Jensen { 777888eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 777988eea45cSKlaus Jensen 778088eea45cSKlaus Jensen device_add_bootindex_property(obj, &n->namespace.blkconf.bootindex, 778188eea45cSKlaus Jensen "bootindex", "/namespace@1,0", 778288eea45cSKlaus Jensen DEVICE(obj)); 778388eea45cSKlaus Jensen 778488eea45cSKlaus Jensen object_property_add(obj, "smart_critical_warning", "uint8", 778588eea45cSKlaus Jensen nvme_get_smart_warning, 778688eea45cSKlaus Jensen nvme_set_smart_warning, NULL, NULL); 778788eea45cSKlaus Jensen } 778888eea45cSKlaus Jensen 778988eea45cSKlaus Jensen static const TypeInfo nvme_info = { 779088eea45cSKlaus Jensen .name = TYPE_NVME, 779188eea45cSKlaus Jensen .parent = TYPE_PCI_DEVICE, 779288eea45cSKlaus Jensen .instance_size = sizeof(NvmeCtrl), 779388eea45cSKlaus Jensen .instance_init = nvme_instance_init, 779488eea45cSKlaus Jensen .class_init = nvme_class_init, 779588eea45cSKlaus Jensen .interfaces = (InterfaceInfo[]) { 779688eea45cSKlaus Jensen { INTERFACE_PCIE_DEVICE }, 779788eea45cSKlaus Jensen { } 779888eea45cSKlaus Jensen }, 779988eea45cSKlaus Jensen }; 780088eea45cSKlaus Jensen 780188eea45cSKlaus Jensen static const TypeInfo nvme_bus_info = { 780288eea45cSKlaus Jensen .name = TYPE_NVME_BUS, 780388eea45cSKlaus Jensen .parent = TYPE_BUS, 780488eea45cSKlaus Jensen .instance_size = sizeof(NvmeBus), 780588eea45cSKlaus Jensen }; 780688eea45cSKlaus Jensen 780788eea45cSKlaus Jensen static void nvme_register_types(void) 780888eea45cSKlaus Jensen { 780988eea45cSKlaus Jensen type_register_static(&nvme_info); 781088eea45cSKlaus Jensen type_register_static(&nvme_bus_info); 781188eea45cSKlaus Jensen } 781288eea45cSKlaus Jensen 781388eea45cSKlaus Jensen type_init(nvme_register_types) 7814