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]>, \ 3888eea45cSKlaus Jensen * subsys=<subsys_id> 3988eea45cSKlaus Jensen * -device nvme-ns,drive=<drive_id>,bus=<bus_name>,nsid=<nsid>,\ 4088eea45cSKlaus Jensen * zoned=<true|false[optional]>, \ 4188eea45cSKlaus Jensen * subsys=<subsys_id>,detached=<true|false[optional]> 4288eea45cSKlaus Jensen * 4388eea45cSKlaus Jensen * Note cmb_size_mb denotes size of CMB in MB. CMB is assumed to be at 4488eea45cSKlaus Jensen * offset 0 in BAR2 and supports only WDS, RDS and SQS for now. By default, the 4588eea45cSKlaus Jensen * device will use the "v1.4 CMB scheme" - use the `legacy-cmb` parameter to 4688eea45cSKlaus Jensen * always enable the CMBLOC and CMBSZ registers (v1.3 behavior). 4788eea45cSKlaus Jensen * 4888eea45cSKlaus Jensen * Enabling pmr emulation can be achieved by pointing to memory-backend-file. 4988eea45cSKlaus Jensen * For example: 5088eea45cSKlaus Jensen * -object memory-backend-file,id=<mem_id>,share=on,mem-path=<file_path>, \ 5188eea45cSKlaus Jensen * size=<size> .... -device nvme,...,pmrdev=<mem_id> 5288eea45cSKlaus Jensen * 5388eea45cSKlaus Jensen * The PMR will use BAR 4/5 exclusively. 5488eea45cSKlaus Jensen * 5588eea45cSKlaus Jensen * To place controller(s) and namespace(s) to a subsystem, then provide 5688eea45cSKlaus Jensen * nvme-subsys device as above. 5788eea45cSKlaus Jensen * 5888eea45cSKlaus Jensen * nvme subsystem device parameters 5988eea45cSKlaus Jensen * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 6088eea45cSKlaus Jensen * - `nqn` 6188eea45cSKlaus Jensen * This parameter provides the `<nqn_id>` part of the string 6288eea45cSKlaus Jensen * `nqn.2019-08.org.qemu:<nqn_id>` which will be reported in the SUBNQN field 6388eea45cSKlaus Jensen * of subsystem controllers. Note that `<nqn_id>` should be unique per 6488eea45cSKlaus Jensen * subsystem, but this is not enforced by QEMU. If not specified, it will 6588eea45cSKlaus Jensen * default to the value of the `id` parameter (`<subsys_id>`). 6688eea45cSKlaus Jensen * 6788eea45cSKlaus Jensen * nvme device parameters 6888eea45cSKlaus Jensen * ~~~~~~~~~~~~~~~~~~~~~~ 6988eea45cSKlaus Jensen * - `subsys` 7088eea45cSKlaus Jensen * Specifying this parameter attaches the controller to the subsystem and 7188eea45cSKlaus Jensen * the SUBNQN field in the controller will report the NQN of the subsystem 7288eea45cSKlaus Jensen * device. This also enables multi controller capability represented in 7388eea45cSKlaus Jensen * Identify Controller data structure in CMIC (Controller Multi-path I/O and 7488eea45cSKlaus Jensen * Namesapce Sharing Capabilities). 7588eea45cSKlaus Jensen * 7688eea45cSKlaus Jensen * - `aerl` 7788eea45cSKlaus Jensen * The Asynchronous Event Request Limit (AERL). Indicates the maximum number 7888eea45cSKlaus Jensen * of concurrently outstanding Asynchronous Event Request commands support 7988eea45cSKlaus Jensen * by the controller. This is a 0's based value. 8088eea45cSKlaus Jensen * 8188eea45cSKlaus Jensen * - `aer_max_queued` 8288eea45cSKlaus Jensen * This is the maximum number of events that the device will enqueue for 8388eea45cSKlaus Jensen * completion when there are no outstanding AERs. When the maximum number of 8488eea45cSKlaus Jensen * enqueued events are reached, subsequent events will be dropped. 8588eea45cSKlaus Jensen * 8688eea45cSKlaus Jensen * - `mdts` 8788eea45cSKlaus Jensen * Indicates the maximum data transfer size for a command that transfers data 8888eea45cSKlaus Jensen * between host-accessible memory and the controller. The value is specified 8988eea45cSKlaus Jensen * as a power of two (2^n) and is in units of the minimum memory page size 9088eea45cSKlaus Jensen * (CAP.MPSMIN). The default value is 7 (i.e. 512 KiB). 9188eea45cSKlaus Jensen * 9288eea45cSKlaus Jensen * - `vsl` 9388eea45cSKlaus Jensen * Indicates the maximum data size limit for the Verify command. Like `mdts`, 9488eea45cSKlaus Jensen * this value is specified as a power of two (2^n) and is in units of the 9588eea45cSKlaus Jensen * minimum memory page size (CAP.MPSMIN). The default value is 7 (i.e. 512 9688eea45cSKlaus Jensen * KiB). 9788eea45cSKlaus Jensen * 9888eea45cSKlaus Jensen * - `zoned.zasl` 9988eea45cSKlaus Jensen * Indicates the maximum data transfer size for the Zone Append command. Like 10088eea45cSKlaus Jensen * `mdts`, the value is specified as a power of two (2^n) and is in units of 10188eea45cSKlaus Jensen * the minimum memory page size (CAP.MPSMIN). The default value is 0 (i.e. 10288eea45cSKlaus Jensen * defaulting to the value of `mdts`). 10388eea45cSKlaus Jensen * 104cccc2651SNiklas Cassel * - `zoned.auto_transition` 105cccc2651SNiklas Cassel * Indicates if zones in zone state implicitly opened can be automatically 106cccc2651SNiklas Cassel * transitioned to zone state closed for resource management purposes. 107cccc2651SNiklas Cassel * Defaults to 'on'. 108cccc2651SNiklas Cassel * 10988eea45cSKlaus Jensen * nvme namespace device parameters 11088eea45cSKlaus Jensen * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 11188eea45cSKlaus Jensen * - `shared` 11288eea45cSKlaus Jensen * When the parent nvme device (as defined explicitly by the 'bus' parameter 11388eea45cSKlaus Jensen * or implicitly by the most recently defined NvmeBus) is linked to an 11488eea45cSKlaus Jensen * nvme-subsys device, the namespace will be attached to all controllers in 11588eea45cSKlaus Jensen * the subsystem. If set to 'off' (the default), the namespace will remain a 11688eea45cSKlaus Jensen * private namespace and may only be attached to a single controller at a 11788eea45cSKlaus Jensen * time. 11888eea45cSKlaus Jensen * 11988eea45cSKlaus Jensen * - `detached` 12088eea45cSKlaus Jensen * This parameter is only valid together with the `subsys` parameter. If left 12188eea45cSKlaus Jensen * at the default value (`false/off`), the namespace will be attached to all 12288eea45cSKlaus Jensen * controllers in the NVMe subsystem at boot-up. If set to `true/on`, the 123eeef4329SGollu Appalanaidu * namespace will be available in the subsystem but not attached to any 12488eea45cSKlaus Jensen * controllers. 12588eea45cSKlaus Jensen * 12688eea45cSKlaus Jensen * Setting `zoned` to true selects Zoned Command Set at the namespace. 12788eea45cSKlaus Jensen * In this case, the following namespace properties are available to configure 12888eea45cSKlaus Jensen * zoned operation: 12988eea45cSKlaus Jensen * zoned.zone_size=<zone size in bytes, default: 128MiB> 13088eea45cSKlaus Jensen * The number may be followed by K, M, G as in kilo-, mega- or giga-. 13188eea45cSKlaus Jensen * 13288eea45cSKlaus Jensen * zoned.zone_capacity=<zone capacity in bytes, default: zone size> 13388eea45cSKlaus Jensen * The value 0 (default) forces zone capacity to be the same as zone 13488eea45cSKlaus Jensen * size. The value of this property may not exceed zone size. 13588eea45cSKlaus Jensen * 13688eea45cSKlaus Jensen * zoned.descr_ext_size=<zone descriptor extension size, default 0> 13788eea45cSKlaus Jensen * This value needs to be specified in 64B units. If it is zero, 13888eea45cSKlaus Jensen * namespace(s) will not support zone descriptor extensions. 13988eea45cSKlaus Jensen * 14088eea45cSKlaus Jensen * zoned.max_active=<Maximum Active Resources (zones), default: 0> 14188eea45cSKlaus Jensen * The default value means there is no limit to the number of 14288eea45cSKlaus Jensen * concurrently active zones. 14388eea45cSKlaus Jensen * 14488eea45cSKlaus Jensen * zoned.max_open=<Maximum Open Resources (zones), default: 0> 14588eea45cSKlaus Jensen * The default value means there is no limit to the number of 14688eea45cSKlaus Jensen * concurrently open zones. 14788eea45cSKlaus Jensen * 14888eea45cSKlaus Jensen * zoned.cross_read=<enable RAZB, default: false> 14988eea45cSKlaus Jensen * Setting this property to true enables Read Across Zone Boundaries. 15088eea45cSKlaus Jensen */ 15188eea45cSKlaus Jensen 15288eea45cSKlaus Jensen #include "qemu/osdep.h" 15388eea45cSKlaus Jensen #include "qemu/cutils.h" 15488eea45cSKlaus Jensen #include "qemu/error-report.h" 15588eea45cSKlaus Jensen #include "qemu/log.h" 15688eea45cSKlaus Jensen #include "qemu/units.h" 15788eea45cSKlaus Jensen #include "qapi/error.h" 15888eea45cSKlaus Jensen #include "qapi/visitor.h" 15988eea45cSKlaus Jensen #include "sysemu/sysemu.h" 16088eea45cSKlaus Jensen #include "sysemu/block-backend.h" 16188eea45cSKlaus Jensen #include "sysemu/hostmem.h" 16288eea45cSKlaus Jensen #include "hw/pci/msix.h" 16388eea45cSKlaus Jensen #include "migration/vmstate.h" 16488eea45cSKlaus Jensen 16588eea45cSKlaus Jensen #include "nvme.h" 16605f7ae45SKlaus Jensen #include "dif.h" 16788eea45cSKlaus Jensen #include "trace.h" 16888eea45cSKlaus Jensen 16988eea45cSKlaus Jensen #define NVME_MAX_IOQPAIRS 0xffff 17088eea45cSKlaus Jensen #define NVME_DB_SIZE 4 17188eea45cSKlaus Jensen #define NVME_SPEC_VER 0x00010400 17288eea45cSKlaus Jensen #define NVME_CMB_BIR 2 17388eea45cSKlaus Jensen #define NVME_PMR_BIR 4 17488eea45cSKlaus Jensen #define NVME_TEMPERATURE 0x143 17588eea45cSKlaus Jensen #define NVME_TEMPERATURE_WARNING 0x157 17688eea45cSKlaus Jensen #define NVME_TEMPERATURE_CRITICAL 0x175 17788eea45cSKlaus Jensen #define NVME_NUM_FW_SLOTS 1 17888eea45cSKlaus Jensen #define NVME_DEFAULT_MAX_ZA_SIZE (128 * KiB) 17988eea45cSKlaus Jensen 18088eea45cSKlaus Jensen #define NVME_GUEST_ERR(trace, fmt, ...) \ 18188eea45cSKlaus Jensen do { \ 18288eea45cSKlaus Jensen (trace_##trace)(__VA_ARGS__); \ 18388eea45cSKlaus Jensen qemu_log_mask(LOG_GUEST_ERROR, #trace \ 18488eea45cSKlaus Jensen " in %s: " fmt "\n", __func__, ## __VA_ARGS__); \ 18588eea45cSKlaus Jensen } while (0) 18688eea45cSKlaus Jensen 18788eea45cSKlaus Jensen static const bool nvme_feature_support[NVME_FID_MAX] = { 18888eea45cSKlaus Jensen [NVME_ARBITRATION] = true, 18988eea45cSKlaus Jensen [NVME_POWER_MANAGEMENT] = true, 19088eea45cSKlaus Jensen [NVME_TEMPERATURE_THRESHOLD] = true, 19188eea45cSKlaus Jensen [NVME_ERROR_RECOVERY] = true, 19288eea45cSKlaus Jensen [NVME_VOLATILE_WRITE_CACHE] = true, 19388eea45cSKlaus Jensen [NVME_NUMBER_OF_QUEUES] = true, 19488eea45cSKlaus Jensen [NVME_INTERRUPT_COALESCING] = true, 19588eea45cSKlaus Jensen [NVME_INTERRUPT_VECTOR_CONF] = true, 19688eea45cSKlaus Jensen [NVME_WRITE_ATOMICITY] = true, 19788eea45cSKlaus Jensen [NVME_ASYNCHRONOUS_EVENT_CONF] = true, 19888eea45cSKlaus Jensen [NVME_TIMESTAMP] = true, 199d0c0697bSNaveen Nagar [NVME_HOST_BEHAVIOR_SUPPORT] = true, 20088eea45cSKlaus Jensen [NVME_COMMAND_SET_PROFILE] = true, 20188eea45cSKlaus Jensen }; 20288eea45cSKlaus Jensen 20388eea45cSKlaus Jensen static const uint32_t nvme_feature_cap[NVME_FID_MAX] = { 20488eea45cSKlaus Jensen [NVME_TEMPERATURE_THRESHOLD] = NVME_FEAT_CAP_CHANGE, 20588eea45cSKlaus Jensen [NVME_ERROR_RECOVERY] = NVME_FEAT_CAP_CHANGE | NVME_FEAT_CAP_NS, 20688eea45cSKlaus Jensen [NVME_VOLATILE_WRITE_CACHE] = NVME_FEAT_CAP_CHANGE, 20788eea45cSKlaus Jensen [NVME_NUMBER_OF_QUEUES] = NVME_FEAT_CAP_CHANGE, 20888eea45cSKlaus Jensen [NVME_ASYNCHRONOUS_EVENT_CONF] = NVME_FEAT_CAP_CHANGE, 20988eea45cSKlaus Jensen [NVME_TIMESTAMP] = NVME_FEAT_CAP_CHANGE, 210d0c0697bSNaveen Nagar [NVME_HOST_BEHAVIOR_SUPPORT] = NVME_FEAT_CAP_CHANGE, 21188eea45cSKlaus Jensen [NVME_COMMAND_SET_PROFILE] = NVME_FEAT_CAP_CHANGE, 21288eea45cSKlaus Jensen }; 21388eea45cSKlaus Jensen 21488eea45cSKlaus Jensen static const uint32_t nvme_cse_acs[256] = { 21588eea45cSKlaus Jensen [NVME_ADM_CMD_DELETE_SQ] = NVME_CMD_EFF_CSUPP, 21688eea45cSKlaus Jensen [NVME_ADM_CMD_CREATE_SQ] = NVME_CMD_EFF_CSUPP, 21788eea45cSKlaus Jensen [NVME_ADM_CMD_GET_LOG_PAGE] = NVME_CMD_EFF_CSUPP, 21888eea45cSKlaus Jensen [NVME_ADM_CMD_DELETE_CQ] = NVME_CMD_EFF_CSUPP, 21988eea45cSKlaus Jensen [NVME_ADM_CMD_CREATE_CQ] = NVME_CMD_EFF_CSUPP, 22088eea45cSKlaus Jensen [NVME_ADM_CMD_IDENTIFY] = NVME_CMD_EFF_CSUPP, 22188eea45cSKlaus Jensen [NVME_ADM_CMD_ABORT] = NVME_CMD_EFF_CSUPP, 22288eea45cSKlaus Jensen [NVME_ADM_CMD_SET_FEATURES] = NVME_CMD_EFF_CSUPP, 22388eea45cSKlaus Jensen [NVME_ADM_CMD_GET_FEATURES] = NVME_CMD_EFF_CSUPP, 22488eea45cSKlaus Jensen [NVME_ADM_CMD_ASYNC_EV_REQ] = NVME_CMD_EFF_CSUPP, 22588eea45cSKlaus Jensen [NVME_ADM_CMD_NS_ATTACHMENT] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_NIC, 22688eea45cSKlaus Jensen [NVME_ADM_CMD_FORMAT_NVM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 22788eea45cSKlaus Jensen }; 22888eea45cSKlaus Jensen 22988eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_none[256]; 23088eea45cSKlaus Jensen 23188eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_nvm[256] = { 23288eea45cSKlaus Jensen [NVME_CMD_FLUSH] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 23388eea45cSKlaus Jensen [NVME_CMD_WRITE_ZEROES] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 23488eea45cSKlaus Jensen [NVME_CMD_WRITE] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 23588eea45cSKlaus Jensen [NVME_CMD_READ] = NVME_CMD_EFF_CSUPP, 23688eea45cSKlaus Jensen [NVME_CMD_DSM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 23788eea45cSKlaus Jensen [NVME_CMD_VERIFY] = NVME_CMD_EFF_CSUPP, 23888eea45cSKlaus Jensen [NVME_CMD_COPY] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 23988eea45cSKlaus Jensen [NVME_CMD_COMPARE] = NVME_CMD_EFF_CSUPP, 24088eea45cSKlaus Jensen }; 24188eea45cSKlaus Jensen 24288eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_zoned[256] = { 24388eea45cSKlaus Jensen [NVME_CMD_FLUSH] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 24488eea45cSKlaus Jensen [NVME_CMD_WRITE_ZEROES] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 24588eea45cSKlaus Jensen [NVME_CMD_WRITE] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 24688eea45cSKlaus Jensen [NVME_CMD_READ] = NVME_CMD_EFF_CSUPP, 24788eea45cSKlaus Jensen [NVME_CMD_DSM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 24888eea45cSKlaus Jensen [NVME_CMD_VERIFY] = NVME_CMD_EFF_CSUPP, 24988eea45cSKlaus Jensen [NVME_CMD_COPY] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 25088eea45cSKlaus Jensen [NVME_CMD_COMPARE] = NVME_CMD_EFF_CSUPP, 25188eea45cSKlaus Jensen [NVME_CMD_ZONE_APPEND] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 25288eea45cSKlaus Jensen [NVME_CMD_ZONE_MGMT_SEND] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 25388eea45cSKlaus Jensen [NVME_CMD_ZONE_MGMT_RECV] = NVME_CMD_EFF_CSUPP, 25488eea45cSKlaus Jensen }; 25588eea45cSKlaus Jensen 25688eea45cSKlaus Jensen static void nvme_process_sq(void *opaque); 25788eea45cSKlaus Jensen 25888eea45cSKlaus Jensen static uint16_t nvme_sqid(NvmeRequest *req) 25988eea45cSKlaus Jensen { 26088eea45cSKlaus Jensen return le16_to_cpu(req->sq->sqid); 26188eea45cSKlaus Jensen } 26288eea45cSKlaus Jensen 26388eea45cSKlaus Jensen static void nvme_assign_zone_state(NvmeNamespace *ns, NvmeZone *zone, 26488eea45cSKlaus Jensen NvmeZoneState state) 26588eea45cSKlaus Jensen { 26688eea45cSKlaus Jensen if (QTAILQ_IN_USE(zone, entry)) { 26788eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 26888eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 26988eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->exp_open_zones, zone, entry); 27088eea45cSKlaus Jensen break; 27188eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 27288eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->imp_open_zones, zone, entry); 27388eea45cSKlaus Jensen break; 27488eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 27588eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->closed_zones, zone, entry); 27688eea45cSKlaus Jensen break; 27788eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 27888eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->full_zones, zone, entry); 27988eea45cSKlaus Jensen default: 28088eea45cSKlaus Jensen ; 28188eea45cSKlaus Jensen } 28288eea45cSKlaus Jensen } 28388eea45cSKlaus Jensen 28488eea45cSKlaus Jensen nvme_set_zone_state(zone, state); 28588eea45cSKlaus Jensen 28688eea45cSKlaus Jensen switch (state) { 28788eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 28888eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->exp_open_zones, zone, entry); 28988eea45cSKlaus Jensen break; 29088eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 29188eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->imp_open_zones, zone, entry); 29288eea45cSKlaus Jensen break; 29388eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 29488eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->closed_zones, zone, entry); 29588eea45cSKlaus Jensen break; 29688eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 29788eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->full_zones, zone, entry); 29888eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 29988eea45cSKlaus Jensen break; 30088eea45cSKlaus Jensen default: 30188eea45cSKlaus Jensen zone->d.za = 0; 30288eea45cSKlaus Jensen } 30388eea45cSKlaus Jensen } 30488eea45cSKlaus Jensen 305e321b4cdSKlaus Jensen static uint16_t nvme_zns_check_resources(NvmeNamespace *ns, uint32_t act, 306e321b4cdSKlaus Jensen uint32_t opn, uint32_t zrwa) 30788eea45cSKlaus Jensen { 30888eea45cSKlaus Jensen if (ns->params.max_active_zones != 0 && 30988eea45cSKlaus Jensen ns->nr_active_zones + act > ns->params.max_active_zones) { 31088eea45cSKlaus Jensen trace_pci_nvme_err_insuff_active_res(ns->params.max_active_zones); 31188eea45cSKlaus Jensen return NVME_ZONE_TOO_MANY_ACTIVE | NVME_DNR; 31288eea45cSKlaus Jensen } 313e321b4cdSKlaus Jensen 31488eea45cSKlaus Jensen if (ns->params.max_open_zones != 0 && 31588eea45cSKlaus Jensen ns->nr_open_zones + opn > ns->params.max_open_zones) { 31688eea45cSKlaus Jensen trace_pci_nvme_err_insuff_open_res(ns->params.max_open_zones); 31788eea45cSKlaus Jensen return NVME_ZONE_TOO_MANY_OPEN | NVME_DNR; 31888eea45cSKlaus Jensen } 31988eea45cSKlaus Jensen 320e321b4cdSKlaus Jensen if (zrwa > ns->zns.numzrwa) { 321e321b4cdSKlaus Jensen return NVME_NOZRWA | NVME_DNR; 322e321b4cdSKlaus Jensen } 323e321b4cdSKlaus Jensen 32488eea45cSKlaus Jensen return NVME_SUCCESS; 32588eea45cSKlaus Jensen } 32688eea45cSKlaus Jensen 327e321b4cdSKlaus Jensen /* 328e321b4cdSKlaus Jensen * Check if we can open a zone without exceeding open/active limits. 329e321b4cdSKlaus Jensen * AOR stands for "Active and Open Resources" (see TP 4053 section 2.5). 330e321b4cdSKlaus Jensen */ 331e321b4cdSKlaus Jensen static uint16_t nvme_aor_check(NvmeNamespace *ns, uint32_t act, uint32_t opn) 332e321b4cdSKlaus Jensen { 333e321b4cdSKlaus Jensen return nvme_zns_check_resources(ns, act, opn, 0); 334e321b4cdSKlaus Jensen } 335e321b4cdSKlaus Jensen 33688eea45cSKlaus Jensen static bool nvme_addr_is_cmb(NvmeCtrl *n, hwaddr addr) 33788eea45cSKlaus Jensen { 33888eea45cSKlaus Jensen hwaddr hi, lo; 33988eea45cSKlaus Jensen 34088eea45cSKlaus Jensen if (!n->cmb.cmse) { 34188eea45cSKlaus Jensen return false; 34288eea45cSKlaus Jensen } 34388eea45cSKlaus Jensen 34488eea45cSKlaus Jensen lo = n->params.legacy_cmb ? n->cmb.mem.addr : n->cmb.cba; 34588eea45cSKlaus Jensen hi = lo + int128_get64(n->cmb.mem.size); 34688eea45cSKlaus Jensen 34788eea45cSKlaus Jensen return addr >= lo && addr < hi; 34888eea45cSKlaus Jensen } 34988eea45cSKlaus Jensen 35088eea45cSKlaus Jensen static inline void *nvme_addr_to_cmb(NvmeCtrl *n, hwaddr addr) 35188eea45cSKlaus Jensen { 35288eea45cSKlaus Jensen hwaddr base = n->params.legacy_cmb ? n->cmb.mem.addr : n->cmb.cba; 35388eea45cSKlaus Jensen return &n->cmb.buf[addr - base]; 35488eea45cSKlaus Jensen } 35588eea45cSKlaus Jensen 35688eea45cSKlaus Jensen static bool nvme_addr_is_pmr(NvmeCtrl *n, hwaddr addr) 35788eea45cSKlaus Jensen { 35888eea45cSKlaus Jensen hwaddr hi; 35988eea45cSKlaus Jensen 36088eea45cSKlaus Jensen if (!n->pmr.cmse) { 36188eea45cSKlaus Jensen return false; 36288eea45cSKlaus Jensen } 36388eea45cSKlaus Jensen 36488eea45cSKlaus Jensen hi = n->pmr.cba + int128_get64(n->pmr.dev->mr.size); 36588eea45cSKlaus Jensen 36688eea45cSKlaus Jensen return addr >= n->pmr.cba && addr < hi; 36788eea45cSKlaus Jensen } 36888eea45cSKlaus Jensen 36988eea45cSKlaus Jensen static inline void *nvme_addr_to_pmr(NvmeCtrl *n, hwaddr addr) 37088eea45cSKlaus Jensen { 37188eea45cSKlaus Jensen return memory_region_get_ram_ptr(&n->pmr.dev->mr) + (addr - n->pmr.cba); 37288eea45cSKlaus Jensen } 37388eea45cSKlaus Jensen 374736b0164SKlaus Jensen static inline bool nvme_addr_is_iomem(NvmeCtrl *n, hwaddr addr) 375736b0164SKlaus Jensen { 376736b0164SKlaus Jensen hwaddr hi, lo; 377736b0164SKlaus Jensen 378736b0164SKlaus Jensen /* 379736b0164SKlaus Jensen * The purpose of this check is to guard against invalid "local" access to 380736b0164SKlaus Jensen * the iomem (i.e. controller registers). Thus, we check against the range 381736b0164SKlaus Jensen * covered by the 'bar0' MemoryRegion since that is currently composed of 382736b0164SKlaus Jensen * two subregions (the NVMe "MBAR" and the MSI-X table/pba). Note, however, 383736b0164SKlaus Jensen * that if the device model is ever changed to allow the CMB to be located 384736b0164SKlaus Jensen * in BAR0 as well, then this must be changed. 385736b0164SKlaus Jensen */ 386736b0164SKlaus Jensen lo = n->bar0.addr; 387736b0164SKlaus Jensen hi = lo + int128_get64(n->bar0.size); 388736b0164SKlaus Jensen 389736b0164SKlaus Jensen return addr >= lo && addr < hi; 390736b0164SKlaus Jensen } 391736b0164SKlaus Jensen 39288eea45cSKlaus Jensen static int nvme_addr_read(NvmeCtrl *n, hwaddr addr, void *buf, int size) 39388eea45cSKlaus Jensen { 39488eea45cSKlaus Jensen hwaddr hi = addr + size - 1; 39588eea45cSKlaus Jensen if (hi < addr) { 39688eea45cSKlaus Jensen return 1; 39788eea45cSKlaus Jensen } 39888eea45cSKlaus Jensen 39988eea45cSKlaus Jensen if (n->bar.cmbsz && nvme_addr_is_cmb(n, addr) && nvme_addr_is_cmb(n, hi)) { 40088eea45cSKlaus Jensen memcpy(buf, nvme_addr_to_cmb(n, addr), size); 40188eea45cSKlaus Jensen return 0; 40288eea45cSKlaus Jensen } 40388eea45cSKlaus Jensen 40488eea45cSKlaus Jensen if (nvme_addr_is_pmr(n, addr) && nvme_addr_is_pmr(n, hi)) { 40588eea45cSKlaus Jensen memcpy(buf, nvme_addr_to_pmr(n, addr), size); 40688eea45cSKlaus Jensen return 0; 40788eea45cSKlaus Jensen } 40888eea45cSKlaus Jensen 40988eea45cSKlaus Jensen return pci_dma_read(&n->parent_obj, addr, buf, size); 41088eea45cSKlaus Jensen } 41188eea45cSKlaus Jensen 412e080ce86SPhilippe Mathieu-Daudé static int nvme_addr_write(NvmeCtrl *n, hwaddr addr, const void *buf, int size) 41388eea45cSKlaus Jensen { 41488eea45cSKlaus Jensen hwaddr hi = addr + size - 1; 41588eea45cSKlaus Jensen if (hi < addr) { 41688eea45cSKlaus Jensen return 1; 41788eea45cSKlaus Jensen } 41888eea45cSKlaus Jensen 41988eea45cSKlaus Jensen if (n->bar.cmbsz && nvme_addr_is_cmb(n, addr) && nvme_addr_is_cmb(n, hi)) { 42088eea45cSKlaus Jensen memcpy(nvme_addr_to_cmb(n, addr), buf, size); 42188eea45cSKlaus Jensen return 0; 42288eea45cSKlaus Jensen } 42388eea45cSKlaus Jensen 42488eea45cSKlaus Jensen if (nvme_addr_is_pmr(n, addr) && nvme_addr_is_pmr(n, hi)) { 42588eea45cSKlaus Jensen memcpy(nvme_addr_to_pmr(n, addr), buf, size); 42688eea45cSKlaus Jensen return 0; 42788eea45cSKlaus Jensen } 42888eea45cSKlaus Jensen 42988eea45cSKlaus Jensen return pci_dma_write(&n->parent_obj, addr, buf, size); 43088eea45cSKlaus Jensen } 43188eea45cSKlaus Jensen 43288eea45cSKlaus Jensen static bool nvme_nsid_valid(NvmeCtrl *n, uint32_t nsid) 43388eea45cSKlaus Jensen { 43488eea45cSKlaus Jensen return nsid && 43588eea45cSKlaus Jensen (nsid == NVME_NSID_BROADCAST || nsid <= NVME_MAX_NAMESPACES); 43688eea45cSKlaus Jensen } 43788eea45cSKlaus Jensen 43888eea45cSKlaus Jensen static int nvme_check_sqid(NvmeCtrl *n, uint16_t sqid) 43988eea45cSKlaus Jensen { 44088eea45cSKlaus Jensen return sqid < n->params.max_ioqpairs + 1 && n->sq[sqid] != NULL ? 0 : -1; 44188eea45cSKlaus Jensen } 44288eea45cSKlaus Jensen 44388eea45cSKlaus Jensen static int nvme_check_cqid(NvmeCtrl *n, uint16_t cqid) 44488eea45cSKlaus Jensen { 44588eea45cSKlaus Jensen return cqid < n->params.max_ioqpairs + 1 && n->cq[cqid] != NULL ? 0 : -1; 44688eea45cSKlaus Jensen } 44788eea45cSKlaus Jensen 44888eea45cSKlaus Jensen static void nvme_inc_cq_tail(NvmeCQueue *cq) 44988eea45cSKlaus Jensen { 45088eea45cSKlaus Jensen cq->tail++; 45188eea45cSKlaus Jensen if (cq->tail >= cq->size) { 45288eea45cSKlaus Jensen cq->tail = 0; 45388eea45cSKlaus Jensen cq->phase = !cq->phase; 45488eea45cSKlaus Jensen } 45588eea45cSKlaus Jensen } 45688eea45cSKlaus Jensen 45788eea45cSKlaus Jensen static void nvme_inc_sq_head(NvmeSQueue *sq) 45888eea45cSKlaus Jensen { 45988eea45cSKlaus Jensen sq->head = (sq->head + 1) % sq->size; 46088eea45cSKlaus Jensen } 46188eea45cSKlaus Jensen 46288eea45cSKlaus Jensen static uint8_t nvme_cq_full(NvmeCQueue *cq) 46388eea45cSKlaus Jensen { 46488eea45cSKlaus Jensen return (cq->tail + 1) % cq->size == cq->head; 46588eea45cSKlaus Jensen } 46688eea45cSKlaus Jensen 46788eea45cSKlaus Jensen static uint8_t nvme_sq_empty(NvmeSQueue *sq) 46888eea45cSKlaus Jensen { 46988eea45cSKlaus Jensen return sq->head == sq->tail; 47088eea45cSKlaus Jensen } 47188eea45cSKlaus Jensen 47288eea45cSKlaus Jensen static void nvme_irq_check(NvmeCtrl *n) 47388eea45cSKlaus Jensen { 47449e03457SKlaus Jensen uint32_t intms = ldl_le_p(&n->bar.intms); 47549e03457SKlaus Jensen 47688eea45cSKlaus Jensen if (msix_enabled(&(n->parent_obj))) { 47788eea45cSKlaus Jensen return; 47888eea45cSKlaus Jensen } 47949e03457SKlaus Jensen if (~intms & n->irq_status) { 48088eea45cSKlaus Jensen pci_irq_assert(&n->parent_obj); 48188eea45cSKlaus Jensen } else { 48288eea45cSKlaus Jensen pci_irq_deassert(&n->parent_obj); 48388eea45cSKlaus Jensen } 48488eea45cSKlaus Jensen } 48588eea45cSKlaus Jensen 48688eea45cSKlaus Jensen static void nvme_irq_assert(NvmeCtrl *n, NvmeCQueue *cq) 48788eea45cSKlaus Jensen { 48888eea45cSKlaus Jensen if (cq->irq_enabled) { 48988eea45cSKlaus Jensen if (msix_enabled(&(n->parent_obj))) { 49088eea45cSKlaus Jensen trace_pci_nvme_irq_msix(cq->vector); 49188eea45cSKlaus Jensen msix_notify(&(n->parent_obj), cq->vector); 49288eea45cSKlaus Jensen } else { 49388eea45cSKlaus Jensen trace_pci_nvme_irq_pin(); 49488eea45cSKlaus Jensen assert(cq->vector < 32); 49588eea45cSKlaus Jensen n->irq_status |= 1 << cq->vector; 49688eea45cSKlaus Jensen nvme_irq_check(n); 49788eea45cSKlaus Jensen } 49888eea45cSKlaus Jensen } else { 49988eea45cSKlaus Jensen trace_pci_nvme_irq_masked(); 50088eea45cSKlaus Jensen } 50188eea45cSKlaus Jensen } 50288eea45cSKlaus Jensen 50388eea45cSKlaus Jensen static void nvme_irq_deassert(NvmeCtrl *n, NvmeCQueue *cq) 50488eea45cSKlaus Jensen { 50588eea45cSKlaus Jensen if (cq->irq_enabled) { 50688eea45cSKlaus Jensen if (msix_enabled(&(n->parent_obj))) { 50788eea45cSKlaus Jensen return; 50888eea45cSKlaus Jensen } else { 50988eea45cSKlaus Jensen assert(cq->vector < 32); 51083d7ed5cSKlaus Jensen if (!n->cq_pending) { 51188eea45cSKlaus Jensen n->irq_status &= ~(1 << cq->vector); 51283d7ed5cSKlaus Jensen } 51388eea45cSKlaus Jensen nvme_irq_check(n); 51488eea45cSKlaus Jensen } 51588eea45cSKlaus Jensen } 51688eea45cSKlaus Jensen } 51788eea45cSKlaus Jensen 51888eea45cSKlaus Jensen static void nvme_req_clear(NvmeRequest *req) 51988eea45cSKlaus Jensen { 52088eea45cSKlaus Jensen req->ns = NULL; 52188eea45cSKlaus Jensen req->opaque = NULL; 52288eea45cSKlaus Jensen req->aiocb = NULL; 52388eea45cSKlaus Jensen memset(&req->cqe, 0x0, sizeof(req->cqe)); 52488eea45cSKlaus Jensen req->status = NVME_SUCCESS; 52588eea45cSKlaus Jensen } 52688eea45cSKlaus Jensen 52788eea45cSKlaus Jensen static inline void nvme_sg_init(NvmeCtrl *n, NvmeSg *sg, bool dma) 52888eea45cSKlaus Jensen { 52988eea45cSKlaus Jensen if (dma) { 53088eea45cSKlaus Jensen pci_dma_sglist_init(&sg->qsg, &n->parent_obj, 0); 53188eea45cSKlaus Jensen sg->flags = NVME_SG_DMA; 53288eea45cSKlaus Jensen } else { 53388eea45cSKlaus Jensen qemu_iovec_init(&sg->iov, 0); 53488eea45cSKlaus Jensen } 53588eea45cSKlaus Jensen 53688eea45cSKlaus Jensen sg->flags |= NVME_SG_ALLOC; 53788eea45cSKlaus Jensen } 53888eea45cSKlaus Jensen 53988eea45cSKlaus Jensen static inline void nvme_sg_unmap(NvmeSg *sg) 54088eea45cSKlaus Jensen { 54188eea45cSKlaus Jensen if (!(sg->flags & NVME_SG_ALLOC)) { 54288eea45cSKlaus Jensen return; 54388eea45cSKlaus Jensen } 54488eea45cSKlaus Jensen 54588eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 54688eea45cSKlaus Jensen qemu_sglist_destroy(&sg->qsg); 54788eea45cSKlaus Jensen } else { 54888eea45cSKlaus Jensen qemu_iovec_destroy(&sg->iov); 54988eea45cSKlaus Jensen } 55088eea45cSKlaus Jensen 55188eea45cSKlaus Jensen memset(sg, 0x0, sizeof(*sg)); 55288eea45cSKlaus Jensen } 55388eea45cSKlaus Jensen 55488eea45cSKlaus Jensen /* 55588eea45cSKlaus Jensen * When metadata is transfered as extended LBAs, the DPTR mapped into `sg` 55688eea45cSKlaus Jensen * holds both data and metadata. This function splits the data and metadata 55788eea45cSKlaus Jensen * into two separate QSG/IOVs. 55888eea45cSKlaus Jensen */ 55988eea45cSKlaus Jensen static void nvme_sg_split(NvmeSg *sg, NvmeNamespace *ns, NvmeSg *data, 56088eea45cSKlaus Jensen NvmeSg *mdata) 56188eea45cSKlaus Jensen { 56288eea45cSKlaus Jensen NvmeSg *dst = data; 56388eea45cSKlaus Jensen uint32_t trans_len, count = ns->lbasz; 56488eea45cSKlaus Jensen uint64_t offset = 0; 56588eea45cSKlaus Jensen bool dma = sg->flags & NVME_SG_DMA; 56688eea45cSKlaus Jensen size_t sge_len; 56788eea45cSKlaus Jensen size_t sg_len = dma ? sg->qsg.size : sg->iov.size; 56888eea45cSKlaus Jensen int sg_idx = 0; 56988eea45cSKlaus Jensen 57088eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 57188eea45cSKlaus Jensen 57288eea45cSKlaus Jensen while (sg_len) { 57388eea45cSKlaus Jensen sge_len = dma ? sg->qsg.sg[sg_idx].len : sg->iov.iov[sg_idx].iov_len; 57488eea45cSKlaus Jensen 57588eea45cSKlaus Jensen trans_len = MIN(sg_len, count); 57688eea45cSKlaus Jensen trans_len = MIN(trans_len, sge_len - offset); 57788eea45cSKlaus Jensen 57888eea45cSKlaus Jensen if (dst) { 57988eea45cSKlaus Jensen if (dma) { 58088eea45cSKlaus Jensen qemu_sglist_add(&dst->qsg, sg->qsg.sg[sg_idx].base + offset, 58188eea45cSKlaus Jensen trans_len); 58288eea45cSKlaus Jensen } else { 58388eea45cSKlaus Jensen qemu_iovec_add(&dst->iov, 58488eea45cSKlaus Jensen sg->iov.iov[sg_idx].iov_base + offset, 58588eea45cSKlaus Jensen trans_len); 58688eea45cSKlaus Jensen } 58788eea45cSKlaus Jensen } 58888eea45cSKlaus Jensen 58988eea45cSKlaus Jensen sg_len -= trans_len; 59088eea45cSKlaus Jensen count -= trans_len; 59188eea45cSKlaus Jensen offset += trans_len; 59288eea45cSKlaus Jensen 59388eea45cSKlaus Jensen if (count == 0) { 59488eea45cSKlaus Jensen dst = (dst == data) ? mdata : data; 59588eea45cSKlaus Jensen count = (dst == data) ? ns->lbasz : ns->lbaf.ms; 59688eea45cSKlaus Jensen } 59788eea45cSKlaus Jensen 59888eea45cSKlaus Jensen if (sge_len == offset) { 59988eea45cSKlaus Jensen offset = 0; 60088eea45cSKlaus Jensen sg_idx++; 60188eea45cSKlaus Jensen } 60288eea45cSKlaus Jensen } 60388eea45cSKlaus Jensen } 60488eea45cSKlaus Jensen 60588eea45cSKlaus Jensen static uint16_t nvme_map_addr_cmb(NvmeCtrl *n, QEMUIOVector *iov, hwaddr addr, 60688eea45cSKlaus Jensen size_t len) 60788eea45cSKlaus Jensen { 60888eea45cSKlaus Jensen if (!len) { 60988eea45cSKlaus Jensen return NVME_SUCCESS; 61088eea45cSKlaus Jensen } 61188eea45cSKlaus Jensen 61288eea45cSKlaus Jensen trace_pci_nvme_map_addr_cmb(addr, len); 61388eea45cSKlaus Jensen 61488eea45cSKlaus Jensen if (!nvme_addr_is_cmb(n, addr) || !nvme_addr_is_cmb(n, addr + len - 1)) { 61588eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 61688eea45cSKlaus Jensen } 61788eea45cSKlaus Jensen 61888eea45cSKlaus Jensen qemu_iovec_add(iov, nvme_addr_to_cmb(n, addr), len); 61988eea45cSKlaus Jensen 62088eea45cSKlaus Jensen return NVME_SUCCESS; 62188eea45cSKlaus Jensen } 62288eea45cSKlaus Jensen 62388eea45cSKlaus Jensen static uint16_t nvme_map_addr_pmr(NvmeCtrl *n, QEMUIOVector *iov, hwaddr addr, 62488eea45cSKlaus Jensen size_t len) 62588eea45cSKlaus Jensen { 62688eea45cSKlaus Jensen if (!len) { 62788eea45cSKlaus Jensen return NVME_SUCCESS; 62888eea45cSKlaus Jensen } 62988eea45cSKlaus Jensen 63088eea45cSKlaus Jensen if (!nvme_addr_is_pmr(n, addr) || !nvme_addr_is_pmr(n, addr + len - 1)) { 63188eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 63288eea45cSKlaus Jensen } 63388eea45cSKlaus Jensen 63488eea45cSKlaus Jensen qemu_iovec_add(iov, nvme_addr_to_pmr(n, addr), len); 63588eea45cSKlaus Jensen 63688eea45cSKlaus Jensen return NVME_SUCCESS; 63788eea45cSKlaus Jensen } 63888eea45cSKlaus Jensen 63988eea45cSKlaus Jensen static uint16_t nvme_map_addr(NvmeCtrl *n, NvmeSg *sg, hwaddr addr, size_t len) 64088eea45cSKlaus Jensen { 64188eea45cSKlaus Jensen bool cmb = false, pmr = false; 64288eea45cSKlaus Jensen 64388eea45cSKlaus Jensen if (!len) { 64488eea45cSKlaus Jensen return NVME_SUCCESS; 64588eea45cSKlaus Jensen } 64688eea45cSKlaus Jensen 64788eea45cSKlaus Jensen trace_pci_nvme_map_addr(addr, len); 64888eea45cSKlaus Jensen 649736b0164SKlaus Jensen if (nvme_addr_is_iomem(n, addr)) { 650736b0164SKlaus Jensen return NVME_DATA_TRAS_ERROR; 651736b0164SKlaus Jensen } 652736b0164SKlaus Jensen 65388eea45cSKlaus Jensen if (nvme_addr_is_cmb(n, addr)) { 65488eea45cSKlaus Jensen cmb = true; 65588eea45cSKlaus Jensen } else if (nvme_addr_is_pmr(n, addr)) { 65688eea45cSKlaus Jensen pmr = true; 65788eea45cSKlaus Jensen } 65888eea45cSKlaus Jensen 65988eea45cSKlaus Jensen if (cmb || pmr) { 66088eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 66188eea45cSKlaus Jensen return NVME_INVALID_USE_OF_CMB | NVME_DNR; 66288eea45cSKlaus Jensen } 66388eea45cSKlaus Jensen 66423421473SPadmakar Kalghatgi if (sg->iov.niov + 1 > IOV_MAX) { 66523421473SPadmakar Kalghatgi goto max_mappings_exceeded; 66623421473SPadmakar Kalghatgi } 66723421473SPadmakar Kalghatgi 66888eea45cSKlaus Jensen if (cmb) { 66988eea45cSKlaus Jensen return nvme_map_addr_cmb(n, &sg->iov, addr, len); 67088eea45cSKlaus Jensen } else { 67188eea45cSKlaus Jensen return nvme_map_addr_pmr(n, &sg->iov, addr, len); 67288eea45cSKlaus Jensen } 67388eea45cSKlaus Jensen } 67488eea45cSKlaus Jensen 67588eea45cSKlaus Jensen if (!(sg->flags & NVME_SG_DMA)) { 67688eea45cSKlaus Jensen return NVME_INVALID_USE_OF_CMB | NVME_DNR; 67788eea45cSKlaus Jensen } 67888eea45cSKlaus Jensen 67923421473SPadmakar Kalghatgi if (sg->qsg.nsg + 1 > IOV_MAX) { 68023421473SPadmakar Kalghatgi goto max_mappings_exceeded; 68123421473SPadmakar Kalghatgi } 68223421473SPadmakar Kalghatgi 68388eea45cSKlaus Jensen qemu_sglist_add(&sg->qsg, addr, len); 68488eea45cSKlaus Jensen 68588eea45cSKlaus Jensen return NVME_SUCCESS; 68623421473SPadmakar Kalghatgi 68723421473SPadmakar Kalghatgi max_mappings_exceeded: 68823421473SPadmakar Kalghatgi NVME_GUEST_ERR(pci_nvme_ub_too_many_mappings, 68923421473SPadmakar Kalghatgi "number of mappings exceed 1024"); 69023421473SPadmakar Kalghatgi return NVME_INTERNAL_DEV_ERROR | NVME_DNR; 69188eea45cSKlaus Jensen } 69288eea45cSKlaus Jensen 69388eea45cSKlaus Jensen static inline bool nvme_addr_is_dma(NvmeCtrl *n, hwaddr addr) 69488eea45cSKlaus Jensen { 69588eea45cSKlaus Jensen return !(nvme_addr_is_cmb(n, addr) || nvme_addr_is_pmr(n, addr)); 69688eea45cSKlaus Jensen } 69788eea45cSKlaus Jensen 69888eea45cSKlaus Jensen static uint16_t nvme_map_prp(NvmeCtrl *n, NvmeSg *sg, uint64_t prp1, 69988eea45cSKlaus Jensen uint64_t prp2, uint32_t len) 70088eea45cSKlaus Jensen { 70188eea45cSKlaus Jensen hwaddr trans_len = n->page_size - (prp1 % n->page_size); 70288eea45cSKlaus Jensen trans_len = MIN(len, trans_len); 70388eea45cSKlaus Jensen int num_prps = (len >> n->page_bits) + 1; 70488eea45cSKlaus Jensen uint16_t status; 70588eea45cSKlaus Jensen int ret; 70688eea45cSKlaus Jensen 70788eea45cSKlaus Jensen trace_pci_nvme_map_prp(trans_len, len, prp1, prp2, num_prps); 70888eea45cSKlaus Jensen 70988eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, prp1)); 71088eea45cSKlaus Jensen 71188eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp1, trans_len); 71288eea45cSKlaus Jensen if (status) { 71388eea45cSKlaus Jensen goto unmap; 71488eea45cSKlaus Jensen } 71588eea45cSKlaus Jensen 71688eea45cSKlaus Jensen len -= trans_len; 71788eea45cSKlaus Jensen if (len) { 71888eea45cSKlaus Jensen if (len > n->page_size) { 71988eea45cSKlaus Jensen uint64_t prp_list[n->max_prp_ents]; 72088eea45cSKlaus Jensen uint32_t nents, prp_trans; 72188eea45cSKlaus Jensen int i = 0; 72288eea45cSKlaus Jensen 72388eea45cSKlaus Jensen /* 72488eea45cSKlaus Jensen * The first PRP list entry, pointed to by PRP2 may contain offset. 72588eea45cSKlaus Jensen * Hence, we need to calculate the number of entries in based on 72688eea45cSKlaus Jensen * that offset. 72788eea45cSKlaus Jensen */ 72888eea45cSKlaus Jensen nents = (n->page_size - (prp2 & (n->page_size - 1))) >> 3; 72988eea45cSKlaus Jensen prp_trans = MIN(n->max_prp_ents, nents) * sizeof(uint64_t); 73088eea45cSKlaus Jensen ret = nvme_addr_read(n, prp2, (void *)prp_list, prp_trans); 73188eea45cSKlaus Jensen if (ret) { 73288eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(prp2); 73388eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 73488eea45cSKlaus Jensen goto unmap; 73588eea45cSKlaus Jensen } 73688eea45cSKlaus Jensen while (len != 0) { 73788eea45cSKlaus Jensen uint64_t prp_ent = le64_to_cpu(prp_list[i]); 73888eea45cSKlaus Jensen 73988eea45cSKlaus Jensen if (i == nents - 1 && len > n->page_size) { 74088eea45cSKlaus Jensen if (unlikely(prp_ent & (n->page_size - 1))) { 74188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prplist_ent(prp_ent); 74288eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 74388eea45cSKlaus Jensen goto unmap; 74488eea45cSKlaus Jensen } 74588eea45cSKlaus Jensen 74688eea45cSKlaus Jensen i = 0; 74788eea45cSKlaus Jensen nents = (len + n->page_size - 1) >> n->page_bits; 74888eea45cSKlaus Jensen nents = MIN(nents, n->max_prp_ents); 74988eea45cSKlaus Jensen prp_trans = nents * sizeof(uint64_t); 75088eea45cSKlaus Jensen ret = nvme_addr_read(n, prp_ent, (void *)prp_list, 75188eea45cSKlaus Jensen prp_trans); 75288eea45cSKlaus Jensen if (ret) { 75388eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(prp_ent); 75488eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 75588eea45cSKlaus Jensen goto unmap; 75688eea45cSKlaus Jensen } 75788eea45cSKlaus Jensen prp_ent = le64_to_cpu(prp_list[i]); 75888eea45cSKlaus Jensen } 75988eea45cSKlaus Jensen 76088eea45cSKlaus Jensen if (unlikely(prp_ent & (n->page_size - 1))) { 76188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prplist_ent(prp_ent); 76288eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 76388eea45cSKlaus Jensen goto unmap; 76488eea45cSKlaus Jensen } 76588eea45cSKlaus Jensen 76688eea45cSKlaus Jensen trans_len = MIN(len, n->page_size); 76788eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp_ent, trans_len); 76888eea45cSKlaus Jensen if (status) { 76988eea45cSKlaus Jensen goto unmap; 77088eea45cSKlaus Jensen } 77188eea45cSKlaus Jensen 77288eea45cSKlaus Jensen len -= trans_len; 77388eea45cSKlaus Jensen i++; 77488eea45cSKlaus Jensen } 77588eea45cSKlaus Jensen } else { 77688eea45cSKlaus Jensen if (unlikely(prp2 & (n->page_size - 1))) { 77788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prp2_align(prp2); 77888eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 77988eea45cSKlaus Jensen goto unmap; 78088eea45cSKlaus Jensen } 78188eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp2, len); 78288eea45cSKlaus Jensen if (status) { 78388eea45cSKlaus Jensen goto unmap; 78488eea45cSKlaus Jensen } 78588eea45cSKlaus Jensen } 78688eea45cSKlaus Jensen } 78788eea45cSKlaus Jensen 78888eea45cSKlaus Jensen return NVME_SUCCESS; 78988eea45cSKlaus Jensen 79088eea45cSKlaus Jensen unmap: 79188eea45cSKlaus Jensen nvme_sg_unmap(sg); 79288eea45cSKlaus Jensen return status; 79388eea45cSKlaus Jensen } 79488eea45cSKlaus Jensen 79588eea45cSKlaus Jensen /* 79688eea45cSKlaus Jensen * Map 'nsgld' data descriptors from 'segment'. The function will subtract the 79788eea45cSKlaus Jensen * number of bytes mapped in len. 79888eea45cSKlaus Jensen */ 79988eea45cSKlaus Jensen static uint16_t nvme_map_sgl_data(NvmeCtrl *n, NvmeSg *sg, 80088eea45cSKlaus Jensen NvmeSglDescriptor *segment, uint64_t nsgld, 80188eea45cSKlaus Jensen size_t *len, NvmeCmd *cmd) 80288eea45cSKlaus Jensen { 80388eea45cSKlaus Jensen dma_addr_t addr, trans_len; 80488eea45cSKlaus Jensen uint32_t dlen; 80588eea45cSKlaus Jensen uint16_t status; 80688eea45cSKlaus Jensen 80788eea45cSKlaus Jensen for (int i = 0; i < nsgld; i++) { 80888eea45cSKlaus Jensen uint8_t type = NVME_SGL_TYPE(segment[i].type); 80988eea45cSKlaus Jensen 81088eea45cSKlaus Jensen switch (type) { 81188eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_BIT_BUCKET: 81288eea45cSKlaus Jensen if (cmd->opcode == NVME_CMD_WRITE) { 81388eea45cSKlaus Jensen continue; 81488eea45cSKlaus Jensen } 81588eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_DATA_BLOCK: 81688eea45cSKlaus Jensen break; 81788eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_SEGMENT: 81888eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_LAST_SEGMENT: 81988eea45cSKlaus Jensen return NVME_INVALID_NUM_SGL_DESCRS | NVME_DNR; 82088eea45cSKlaus Jensen default: 82188eea45cSKlaus Jensen return NVME_SGL_DESCR_TYPE_INVALID | NVME_DNR; 82288eea45cSKlaus Jensen } 82388eea45cSKlaus Jensen 82488eea45cSKlaus Jensen dlen = le32_to_cpu(segment[i].len); 82588eea45cSKlaus Jensen 82688eea45cSKlaus Jensen if (!dlen) { 82788eea45cSKlaus Jensen continue; 82888eea45cSKlaus Jensen } 82988eea45cSKlaus Jensen 83088eea45cSKlaus Jensen if (*len == 0) { 83188eea45cSKlaus Jensen /* 83288eea45cSKlaus Jensen * All data has been mapped, but the SGL contains additional 83388eea45cSKlaus Jensen * segments and/or descriptors. The controller might accept 83488eea45cSKlaus Jensen * ignoring the rest of the SGL. 83588eea45cSKlaus Jensen */ 83688eea45cSKlaus Jensen uint32_t sgls = le32_to_cpu(n->id_ctrl.sgls); 83788eea45cSKlaus Jensen if (sgls & NVME_CTRL_SGLS_EXCESS_LENGTH) { 83888eea45cSKlaus Jensen break; 83988eea45cSKlaus Jensen } 84088eea45cSKlaus Jensen 84188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_sgl_excess_length(dlen); 84288eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 84388eea45cSKlaus Jensen } 84488eea45cSKlaus Jensen 84588eea45cSKlaus Jensen trans_len = MIN(*len, dlen); 84688eea45cSKlaus Jensen 84788eea45cSKlaus Jensen if (type == NVME_SGL_DESCR_TYPE_BIT_BUCKET) { 84888eea45cSKlaus Jensen goto next; 84988eea45cSKlaus Jensen } 85088eea45cSKlaus Jensen 85188eea45cSKlaus Jensen addr = le64_to_cpu(segment[i].addr); 85288eea45cSKlaus Jensen 85388eea45cSKlaus Jensen if (UINT64_MAX - addr < dlen) { 85488eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 85588eea45cSKlaus Jensen } 85688eea45cSKlaus Jensen 85788eea45cSKlaus Jensen status = nvme_map_addr(n, sg, addr, trans_len); 85888eea45cSKlaus Jensen if (status) { 85988eea45cSKlaus Jensen return status; 86088eea45cSKlaus Jensen } 86188eea45cSKlaus Jensen 86288eea45cSKlaus Jensen next: 86388eea45cSKlaus Jensen *len -= trans_len; 86488eea45cSKlaus Jensen } 86588eea45cSKlaus Jensen 86688eea45cSKlaus Jensen return NVME_SUCCESS; 86788eea45cSKlaus Jensen } 86888eea45cSKlaus Jensen 86988eea45cSKlaus Jensen static uint16_t nvme_map_sgl(NvmeCtrl *n, NvmeSg *sg, NvmeSglDescriptor sgl, 87088eea45cSKlaus Jensen size_t len, NvmeCmd *cmd) 87188eea45cSKlaus Jensen { 87288eea45cSKlaus Jensen /* 87388eea45cSKlaus Jensen * Read the segment in chunks of 256 descriptors (one 4k page) to avoid 87488eea45cSKlaus Jensen * dynamically allocating a potentially huge SGL. The spec allows the SGL 87588eea45cSKlaus Jensen * to be larger (as in number of bytes required to describe the SGL 87688eea45cSKlaus Jensen * descriptors and segment chain) than the command transfer size, so it is 87788eea45cSKlaus Jensen * not bounded by MDTS. 87888eea45cSKlaus Jensen */ 87988eea45cSKlaus Jensen const int SEG_CHUNK_SIZE = 256; 88088eea45cSKlaus Jensen 88188eea45cSKlaus Jensen NvmeSglDescriptor segment[SEG_CHUNK_SIZE], *sgld, *last_sgld; 88288eea45cSKlaus Jensen uint64_t nsgld; 88388eea45cSKlaus Jensen uint32_t seg_len; 88488eea45cSKlaus Jensen uint16_t status; 88588eea45cSKlaus Jensen hwaddr addr; 88688eea45cSKlaus Jensen int ret; 88788eea45cSKlaus Jensen 88888eea45cSKlaus Jensen sgld = &sgl; 88988eea45cSKlaus Jensen addr = le64_to_cpu(sgl.addr); 89088eea45cSKlaus Jensen 89188eea45cSKlaus Jensen trace_pci_nvme_map_sgl(NVME_SGL_TYPE(sgl.type), len); 89288eea45cSKlaus Jensen 89388eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, addr)); 89488eea45cSKlaus Jensen 89588eea45cSKlaus Jensen /* 89688eea45cSKlaus Jensen * If the entire transfer can be described with a single data block it can 89788eea45cSKlaus Jensen * be mapped directly. 89888eea45cSKlaus Jensen */ 89988eea45cSKlaus Jensen if (NVME_SGL_TYPE(sgl.type) == NVME_SGL_DESCR_TYPE_DATA_BLOCK) { 90088eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, sgld, 1, &len, cmd); 90188eea45cSKlaus Jensen if (status) { 90288eea45cSKlaus Jensen goto unmap; 90388eea45cSKlaus Jensen } 90488eea45cSKlaus Jensen 90588eea45cSKlaus Jensen goto out; 90688eea45cSKlaus Jensen } 90788eea45cSKlaus Jensen 90888eea45cSKlaus Jensen for (;;) { 90988eea45cSKlaus Jensen switch (NVME_SGL_TYPE(sgld->type)) { 91088eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_SEGMENT: 91188eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_LAST_SEGMENT: 91288eea45cSKlaus Jensen break; 91388eea45cSKlaus Jensen default: 91488eea45cSKlaus Jensen return NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 91588eea45cSKlaus Jensen } 91688eea45cSKlaus Jensen 91788eea45cSKlaus Jensen seg_len = le32_to_cpu(sgld->len); 91888eea45cSKlaus Jensen 91988eea45cSKlaus Jensen /* check the length of the (Last) Segment descriptor */ 92088eea45cSKlaus Jensen if ((!seg_len || seg_len & 0xf) && 92188eea45cSKlaus Jensen (NVME_SGL_TYPE(sgld->type) != NVME_SGL_DESCR_TYPE_BIT_BUCKET)) { 92288eea45cSKlaus Jensen return NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 92388eea45cSKlaus Jensen } 92488eea45cSKlaus Jensen 92588eea45cSKlaus Jensen if (UINT64_MAX - addr < seg_len) { 92688eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 92788eea45cSKlaus Jensen } 92888eea45cSKlaus Jensen 92988eea45cSKlaus Jensen nsgld = seg_len / sizeof(NvmeSglDescriptor); 93088eea45cSKlaus Jensen 93188eea45cSKlaus Jensen while (nsgld > SEG_CHUNK_SIZE) { 93288eea45cSKlaus Jensen if (nvme_addr_read(n, addr, segment, sizeof(segment))) { 93388eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 93488eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 93588eea45cSKlaus Jensen goto unmap; 93688eea45cSKlaus Jensen } 93788eea45cSKlaus Jensen 93888eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, SEG_CHUNK_SIZE, 93988eea45cSKlaus Jensen &len, cmd); 94088eea45cSKlaus Jensen if (status) { 94188eea45cSKlaus Jensen goto unmap; 94288eea45cSKlaus Jensen } 94388eea45cSKlaus Jensen 94488eea45cSKlaus Jensen nsgld -= SEG_CHUNK_SIZE; 94588eea45cSKlaus Jensen addr += SEG_CHUNK_SIZE * sizeof(NvmeSglDescriptor); 94688eea45cSKlaus Jensen } 94788eea45cSKlaus Jensen 94888eea45cSKlaus Jensen ret = nvme_addr_read(n, addr, segment, nsgld * 94988eea45cSKlaus Jensen sizeof(NvmeSglDescriptor)); 95088eea45cSKlaus Jensen if (ret) { 95188eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 95288eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 95388eea45cSKlaus Jensen goto unmap; 95488eea45cSKlaus Jensen } 95588eea45cSKlaus Jensen 95688eea45cSKlaus Jensen last_sgld = &segment[nsgld - 1]; 95788eea45cSKlaus Jensen 95888eea45cSKlaus Jensen /* 95988eea45cSKlaus Jensen * If the segment ends with a Data Block or Bit Bucket Descriptor Type, 96088eea45cSKlaus Jensen * then we are done. 96188eea45cSKlaus Jensen */ 96288eea45cSKlaus Jensen switch (NVME_SGL_TYPE(last_sgld->type)) { 96388eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_DATA_BLOCK: 96488eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_BIT_BUCKET: 96588eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, nsgld, &len, cmd); 96688eea45cSKlaus Jensen if (status) { 96788eea45cSKlaus Jensen goto unmap; 96888eea45cSKlaus Jensen } 96988eea45cSKlaus Jensen 97088eea45cSKlaus Jensen goto out; 97188eea45cSKlaus Jensen 97288eea45cSKlaus Jensen default: 97388eea45cSKlaus Jensen break; 97488eea45cSKlaus Jensen } 97588eea45cSKlaus Jensen 97688eea45cSKlaus Jensen /* 97788eea45cSKlaus Jensen * If the last descriptor was not a Data Block or Bit Bucket, then the 97888eea45cSKlaus Jensen * current segment must not be a Last Segment. 97988eea45cSKlaus Jensen */ 98088eea45cSKlaus Jensen if (NVME_SGL_TYPE(sgld->type) == NVME_SGL_DESCR_TYPE_LAST_SEGMENT) { 98188eea45cSKlaus Jensen status = NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 98288eea45cSKlaus Jensen goto unmap; 98388eea45cSKlaus Jensen } 98488eea45cSKlaus Jensen 98588eea45cSKlaus Jensen sgld = last_sgld; 98688eea45cSKlaus Jensen addr = le64_to_cpu(sgld->addr); 98788eea45cSKlaus Jensen 98888eea45cSKlaus Jensen /* 98988eea45cSKlaus Jensen * Do not map the last descriptor; it will be a Segment or Last Segment 99088eea45cSKlaus Jensen * descriptor and is handled by the next iteration. 99188eea45cSKlaus Jensen */ 99288eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, nsgld - 1, &len, cmd); 99388eea45cSKlaus Jensen if (status) { 99488eea45cSKlaus Jensen goto unmap; 99588eea45cSKlaus Jensen } 99688eea45cSKlaus Jensen } 99788eea45cSKlaus Jensen 99888eea45cSKlaus Jensen out: 99988eea45cSKlaus Jensen /* if there is any residual left in len, the SGL was too short */ 100088eea45cSKlaus Jensen if (len) { 100188eea45cSKlaus Jensen status = NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 100288eea45cSKlaus Jensen goto unmap; 100388eea45cSKlaus Jensen } 100488eea45cSKlaus Jensen 100588eea45cSKlaus Jensen return NVME_SUCCESS; 100688eea45cSKlaus Jensen 100788eea45cSKlaus Jensen unmap: 100888eea45cSKlaus Jensen nvme_sg_unmap(sg); 100988eea45cSKlaus Jensen return status; 101088eea45cSKlaus Jensen } 101188eea45cSKlaus Jensen 101288eea45cSKlaus Jensen uint16_t nvme_map_dptr(NvmeCtrl *n, NvmeSg *sg, size_t len, 101388eea45cSKlaus Jensen NvmeCmd *cmd) 101488eea45cSKlaus Jensen { 101588eea45cSKlaus Jensen uint64_t prp1, prp2; 101688eea45cSKlaus Jensen 101788eea45cSKlaus Jensen switch (NVME_CMD_FLAGS_PSDT(cmd->flags)) { 101888eea45cSKlaus Jensen case NVME_PSDT_PRP: 101988eea45cSKlaus Jensen prp1 = le64_to_cpu(cmd->dptr.prp1); 102088eea45cSKlaus Jensen prp2 = le64_to_cpu(cmd->dptr.prp2); 102188eea45cSKlaus Jensen 102288eea45cSKlaus Jensen return nvme_map_prp(n, sg, prp1, prp2, len); 102388eea45cSKlaus Jensen case NVME_PSDT_SGL_MPTR_CONTIGUOUS: 102488eea45cSKlaus Jensen case NVME_PSDT_SGL_MPTR_SGL: 102588eea45cSKlaus Jensen return nvme_map_sgl(n, sg, cmd->dptr.sgl, len, cmd); 102688eea45cSKlaus Jensen default: 102788eea45cSKlaus Jensen return NVME_INVALID_FIELD; 102888eea45cSKlaus Jensen } 102988eea45cSKlaus Jensen } 103088eea45cSKlaus Jensen 103188eea45cSKlaus Jensen static uint16_t nvme_map_mptr(NvmeCtrl *n, NvmeSg *sg, size_t len, 103288eea45cSKlaus Jensen NvmeCmd *cmd) 103388eea45cSKlaus Jensen { 103488eea45cSKlaus Jensen int psdt = NVME_CMD_FLAGS_PSDT(cmd->flags); 103588eea45cSKlaus Jensen hwaddr mptr = le64_to_cpu(cmd->mptr); 103688eea45cSKlaus Jensen uint16_t status; 103788eea45cSKlaus Jensen 103888eea45cSKlaus Jensen if (psdt == NVME_PSDT_SGL_MPTR_SGL) { 103988eea45cSKlaus Jensen NvmeSglDescriptor sgl; 104088eea45cSKlaus Jensen 104188eea45cSKlaus Jensen if (nvme_addr_read(n, mptr, &sgl, sizeof(sgl))) { 104288eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 104388eea45cSKlaus Jensen } 104488eea45cSKlaus Jensen 104588eea45cSKlaus Jensen status = nvme_map_sgl(n, sg, sgl, len, cmd); 104688eea45cSKlaus Jensen if (status && (status & 0x7ff) == NVME_DATA_SGL_LEN_INVALID) { 104788eea45cSKlaus Jensen status = NVME_MD_SGL_LEN_INVALID | NVME_DNR; 104888eea45cSKlaus Jensen } 104988eea45cSKlaus Jensen 105088eea45cSKlaus Jensen return status; 105188eea45cSKlaus Jensen } 105288eea45cSKlaus Jensen 105388eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, mptr)); 105488eea45cSKlaus Jensen status = nvme_map_addr(n, sg, mptr, len); 105588eea45cSKlaus Jensen if (status) { 105688eea45cSKlaus Jensen nvme_sg_unmap(sg); 105788eea45cSKlaus Jensen } 105888eea45cSKlaus Jensen 105988eea45cSKlaus Jensen return status; 106088eea45cSKlaus Jensen } 106188eea45cSKlaus Jensen 106288eea45cSKlaus Jensen static uint16_t nvme_map_data(NvmeCtrl *n, uint32_t nlb, NvmeRequest *req) 106388eea45cSKlaus Jensen { 106488eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 106588eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 10662a132309SKlaus Jensen bool pi = !!NVME_ID_NS_DPS_TYPE(ns->id_ns.dps); 10672a132309SKlaus Jensen bool pract = !!(le16_to_cpu(rw->control) & NVME_RW_PRINFO_PRACT); 106888eea45cSKlaus Jensen size_t len = nvme_l2b(ns, nlb); 106988eea45cSKlaus Jensen uint16_t status; 107088eea45cSKlaus Jensen 1071ac0b34c5SKlaus Jensen if (nvme_ns_ext(ns) && 1072ac0b34c5SKlaus Jensen !(pi && pract && ns->lbaf.ms == nvme_pi_tuple_size(ns))) { 107388eea45cSKlaus Jensen NvmeSg sg; 107488eea45cSKlaus Jensen 107588eea45cSKlaus Jensen len += nvme_m2b(ns, nlb); 107688eea45cSKlaus Jensen 107788eea45cSKlaus Jensen status = nvme_map_dptr(n, &sg, len, &req->cmd); 107888eea45cSKlaus Jensen if (status) { 107988eea45cSKlaus Jensen return status; 108088eea45cSKlaus Jensen } 108188eea45cSKlaus Jensen 108288eea45cSKlaus Jensen nvme_sg_init(n, &req->sg, sg.flags & NVME_SG_DMA); 108388eea45cSKlaus Jensen nvme_sg_split(&sg, ns, &req->sg, NULL); 108488eea45cSKlaus Jensen nvme_sg_unmap(&sg); 108588eea45cSKlaus Jensen 108688eea45cSKlaus Jensen return NVME_SUCCESS; 108788eea45cSKlaus Jensen } 108888eea45cSKlaus Jensen 108988eea45cSKlaus Jensen return nvme_map_dptr(n, &req->sg, len, &req->cmd); 109088eea45cSKlaus Jensen } 109188eea45cSKlaus Jensen 109288eea45cSKlaus Jensen static uint16_t nvme_map_mdata(NvmeCtrl *n, uint32_t nlb, NvmeRequest *req) 109388eea45cSKlaus Jensen { 109488eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 109588eea45cSKlaus Jensen size_t len = nvme_m2b(ns, nlb); 109688eea45cSKlaus Jensen uint16_t status; 109788eea45cSKlaus Jensen 109888eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 109988eea45cSKlaus Jensen NvmeSg sg; 110088eea45cSKlaus Jensen 110188eea45cSKlaus Jensen len += nvme_l2b(ns, nlb); 110288eea45cSKlaus Jensen 110388eea45cSKlaus Jensen status = nvme_map_dptr(n, &sg, len, &req->cmd); 110488eea45cSKlaus Jensen if (status) { 110588eea45cSKlaus Jensen return status; 110688eea45cSKlaus Jensen } 110788eea45cSKlaus Jensen 110888eea45cSKlaus Jensen nvme_sg_init(n, &req->sg, sg.flags & NVME_SG_DMA); 110988eea45cSKlaus Jensen nvme_sg_split(&sg, ns, NULL, &req->sg); 111088eea45cSKlaus Jensen nvme_sg_unmap(&sg); 111188eea45cSKlaus Jensen 111288eea45cSKlaus Jensen return NVME_SUCCESS; 111388eea45cSKlaus Jensen } 111488eea45cSKlaus Jensen 111588eea45cSKlaus Jensen return nvme_map_mptr(n, &req->sg, len, &req->cmd); 111688eea45cSKlaus Jensen } 111788eea45cSKlaus Jensen 111888eea45cSKlaus Jensen static uint16_t nvme_tx_interleaved(NvmeCtrl *n, NvmeSg *sg, uint8_t *ptr, 111988eea45cSKlaus Jensen uint32_t len, uint32_t bytes, 112088eea45cSKlaus Jensen int32_t skip_bytes, int64_t offset, 112188eea45cSKlaus Jensen NvmeTxDirection dir) 112288eea45cSKlaus Jensen { 112388eea45cSKlaus Jensen hwaddr addr; 112488eea45cSKlaus Jensen uint32_t trans_len, count = bytes; 112588eea45cSKlaus Jensen bool dma = sg->flags & NVME_SG_DMA; 112688eea45cSKlaus Jensen int64_t sge_len; 112788eea45cSKlaus Jensen int sg_idx = 0; 112888eea45cSKlaus Jensen int ret; 112988eea45cSKlaus Jensen 113088eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 113188eea45cSKlaus Jensen 113288eea45cSKlaus Jensen while (len) { 113388eea45cSKlaus Jensen sge_len = dma ? sg->qsg.sg[sg_idx].len : sg->iov.iov[sg_idx].iov_len; 113488eea45cSKlaus Jensen 113588eea45cSKlaus Jensen if (sge_len - offset < 0) { 113688eea45cSKlaus Jensen offset -= sge_len; 113788eea45cSKlaus Jensen sg_idx++; 113888eea45cSKlaus Jensen continue; 113988eea45cSKlaus Jensen } 114088eea45cSKlaus Jensen 114188eea45cSKlaus Jensen if (sge_len == offset) { 114288eea45cSKlaus Jensen offset = 0; 114388eea45cSKlaus Jensen sg_idx++; 114488eea45cSKlaus Jensen continue; 114588eea45cSKlaus Jensen } 114688eea45cSKlaus Jensen 114788eea45cSKlaus Jensen trans_len = MIN(len, count); 114888eea45cSKlaus Jensen trans_len = MIN(trans_len, sge_len - offset); 114988eea45cSKlaus Jensen 115088eea45cSKlaus Jensen if (dma) { 115188eea45cSKlaus Jensen addr = sg->qsg.sg[sg_idx].base + offset; 115288eea45cSKlaus Jensen } else { 115388eea45cSKlaus Jensen addr = (hwaddr)(uintptr_t)sg->iov.iov[sg_idx].iov_base + offset; 115488eea45cSKlaus Jensen } 115588eea45cSKlaus Jensen 115688eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 115788eea45cSKlaus Jensen ret = nvme_addr_read(n, addr, ptr, trans_len); 115888eea45cSKlaus Jensen } else { 115988eea45cSKlaus Jensen ret = nvme_addr_write(n, addr, ptr, trans_len); 116088eea45cSKlaus Jensen } 116188eea45cSKlaus Jensen 116288eea45cSKlaus Jensen if (ret) { 116388eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 116488eea45cSKlaus Jensen } 116588eea45cSKlaus Jensen 116688eea45cSKlaus Jensen ptr += trans_len; 116788eea45cSKlaus Jensen len -= trans_len; 116888eea45cSKlaus Jensen count -= trans_len; 116988eea45cSKlaus Jensen offset += trans_len; 117088eea45cSKlaus Jensen 117188eea45cSKlaus Jensen if (count == 0) { 117288eea45cSKlaus Jensen count = bytes; 117388eea45cSKlaus Jensen offset += skip_bytes; 117488eea45cSKlaus Jensen } 117588eea45cSKlaus Jensen } 117688eea45cSKlaus Jensen 117788eea45cSKlaus Jensen return NVME_SUCCESS; 117888eea45cSKlaus Jensen } 117988eea45cSKlaus Jensen 11808d3a17beSPhilippe Mathieu-Daudé static uint16_t nvme_tx(NvmeCtrl *n, NvmeSg *sg, void *ptr, uint32_t len, 118188eea45cSKlaus Jensen NvmeTxDirection dir) 118288eea45cSKlaus Jensen { 118388eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 118488eea45cSKlaus Jensen 118588eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 1186392e48afSPhilippe Mathieu-Daudé const MemTxAttrs attrs = MEMTXATTRS_UNSPECIFIED; 1187bfa30f39SPhilippe Mathieu-Daudé dma_addr_t residual; 118888eea45cSKlaus Jensen 118988eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 1190f02b664aSPhilippe Mathieu-Daudé dma_buf_write(ptr, len, &residual, &sg->qsg, attrs); 119188eea45cSKlaus Jensen } else { 1192f02b664aSPhilippe Mathieu-Daudé dma_buf_read(ptr, len, &residual, &sg->qsg, attrs); 119388eea45cSKlaus Jensen } 119488eea45cSKlaus Jensen 119588eea45cSKlaus Jensen if (unlikely(residual)) { 119688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_dma(); 119788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 119888eea45cSKlaus Jensen } 119988eea45cSKlaus Jensen } else { 120088eea45cSKlaus Jensen size_t bytes; 120188eea45cSKlaus Jensen 120288eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 120388eea45cSKlaus Jensen bytes = qemu_iovec_to_buf(&sg->iov, 0, ptr, len); 120488eea45cSKlaus Jensen } else { 120588eea45cSKlaus Jensen bytes = qemu_iovec_from_buf(&sg->iov, 0, ptr, len); 120688eea45cSKlaus Jensen } 120788eea45cSKlaus Jensen 120888eea45cSKlaus Jensen if (unlikely(bytes != len)) { 120988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_dma(); 121088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 121188eea45cSKlaus Jensen } 121288eea45cSKlaus Jensen } 121388eea45cSKlaus Jensen 121488eea45cSKlaus Jensen return NVME_SUCCESS; 121588eea45cSKlaus Jensen } 121688eea45cSKlaus Jensen 12178d3a17beSPhilippe Mathieu-Daudé static inline uint16_t nvme_c2h(NvmeCtrl *n, void *ptr, uint32_t len, 121888eea45cSKlaus Jensen NvmeRequest *req) 121988eea45cSKlaus Jensen { 122088eea45cSKlaus Jensen uint16_t status; 122188eea45cSKlaus Jensen 122288eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 122388eea45cSKlaus Jensen if (status) { 122488eea45cSKlaus Jensen return status; 122588eea45cSKlaus Jensen } 122688eea45cSKlaus Jensen 122788eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, NVME_TX_DIRECTION_FROM_DEVICE); 122888eea45cSKlaus Jensen } 122988eea45cSKlaus Jensen 12308d3a17beSPhilippe Mathieu-Daudé static inline uint16_t nvme_h2c(NvmeCtrl *n, void *ptr, uint32_t len, 123188eea45cSKlaus Jensen NvmeRequest *req) 123288eea45cSKlaus Jensen { 123388eea45cSKlaus Jensen uint16_t status; 123488eea45cSKlaus Jensen 123588eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 123688eea45cSKlaus Jensen if (status) { 123788eea45cSKlaus Jensen return status; 123888eea45cSKlaus Jensen } 123988eea45cSKlaus Jensen 124088eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, NVME_TX_DIRECTION_TO_DEVICE); 124188eea45cSKlaus Jensen } 124288eea45cSKlaus Jensen 12438d3a17beSPhilippe Mathieu-Daudé uint16_t nvme_bounce_data(NvmeCtrl *n, void *ptr, uint32_t len, 124488eea45cSKlaus Jensen NvmeTxDirection dir, NvmeRequest *req) 124588eea45cSKlaus Jensen { 124688eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 124788eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 12482a132309SKlaus Jensen bool pi = !!NVME_ID_NS_DPS_TYPE(ns->id_ns.dps); 12492a132309SKlaus Jensen bool pract = !!(le16_to_cpu(rw->control) & NVME_RW_PRINFO_PRACT); 125088eea45cSKlaus Jensen 1251ac0b34c5SKlaus Jensen if (nvme_ns_ext(ns) && 1252ac0b34c5SKlaus Jensen !(pi && pract && ns->lbaf.ms == nvme_pi_tuple_size(ns))) { 125388eea45cSKlaus Jensen return nvme_tx_interleaved(n, &req->sg, ptr, len, ns->lbasz, 125488eea45cSKlaus Jensen ns->lbaf.ms, 0, dir); 125588eea45cSKlaus Jensen } 125688eea45cSKlaus Jensen 125788eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, dir); 125888eea45cSKlaus Jensen } 125988eea45cSKlaus Jensen 12608d3a17beSPhilippe Mathieu-Daudé uint16_t nvme_bounce_mdata(NvmeCtrl *n, void *ptr, uint32_t len, 126188eea45cSKlaus Jensen NvmeTxDirection dir, NvmeRequest *req) 126288eea45cSKlaus Jensen { 126388eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 126488eea45cSKlaus Jensen uint16_t status; 126588eea45cSKlaus Jensen 126688eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 126788eea45cSKlaus Jensen return nvme_tx_interleaved(n, &req->sg, ptr, len, ns->lbaf.ms, 126888eea45cSKlaus Jensen ns->lbasz, ns->lbasz, dir); 126988eea45cSKlaus Jensen } 127088eea45cSKlaus Jensen 127188eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 127288eea45cSKlaus Jensen 127388eea45cSKlaus Jensen status = nvme_map_mptr(n, &req->sg, len, &req->cmd); 127488eea45cSKlaus Jensen if (status) { 127588eea45cSKlaus Jensen return status; 127688eea45cSKlaus Jensen } 127788eea45cSKlaus Jensen 127888eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, dir); 127988eea45cSKlaus Jensen } 128088eea45cSKlaus Jensen 128188eea45cSKlaus Jensen static inline void nvme_blk_read(BlockBackend *blk, int64_t offset, 128288eea45cSKlaus Jensen BlockCompletionFunc *cb, NvmeRequest *req) 128388eea45cSKlaus Jensen { 128488eea45cSKlaus Jensen assert(req->sg.flags & NVME_SG_ALLOC); 128588eea45cSKlaus Jensen 128688eea45cSKlaus Jensen if (req->sg.flags & NVME_SG_DMA) { 128788eea45cSKlaus Jensen req->aiocb = dma_blk_read(blk, &req->sg.qsg, offset, BDRV_SECTOR_SIZE, 128888eea45cSKlaus Jensen cb, req); 128988eea45cSKlaus Jensen } else { 129088eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &req->sg.iov, 0, cb, req); 129188eea45cSKlaus Jensen } 129288eea45cSKlaus Jensen } 129388eea45cSKlaus Jensen 129488eea45cSKlaus Jensen static inline void nvme_blk_write(BlockBackend *blk, int64_t offset, 129588eea45cSKlaus Jensen BlockCompletionFunc *cb, NvmeRequest *req) 129688eea45cSKlaus Jensen { 129788eea45cSKlaus Jensen assert(req->sg.flags & NVME_SG_ALLOC); 129888eea45cSKlaus Jensen 129988eea45cSKlaus Jensen if (req->sg.flags & NVME_SG_DMA) { 130088eea45cSKlaus Jensen req->aiocb = dma_blk_write(blk, &req->sg.qsg, offset, BDRV_SECTOR_SIZE, 130188eea45cSKlaus Jensen cb, req); 130288eea45cSKlaus Jensen } else { 130388eea45cSKlaus Jensen req->aiocb = blk_aio_pwritev(blk, offset, &req->sg.iov, 0, cb, req); 130488eea45cSKlaus Jensen } 130588eea45cSKlaus Jensen } 130688eea45cSKlaus Jensen 130788eea45cSKlaus Jensen static void nvme_post_cqes(void *opaque) 130888eea45cSKlaus Jensen { 130988eea45cSKlaus Jensen NvmeCQueue *cq = opaque; 131088eea45cSKlaus Jensen NvmeCtrl *n = cq->ctrl; 131188eea45cSKlaus Jensen NvmeRequest *req, *next; 131283d7ed5cSKlaus Jensen bool pending = cq->head != cq->tail; 131388eea45cSKlaus Jensen int ret; 131488eea45cSKlaus Jensen 131588eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(req, &cq->req_list, entry, next) { 131688eea45cSKlaus Jensen NvmeSQueue *sq; 131788eea45cSKlaus Jensen hwaddr addr; 131888eea45cSKlaus Jensen 131988eea45cSKlaus Jensen if (nvme_cq_full(cq)) { 132088eea45cSKlaus Jensen break; 132188eea45cSKlaus Jensen } 132288eea45cSKlaus Jensen 132388eea45cSKlaus Jensen sq = req->sq; 132488eea45cSKlaus Jensen req->cqe.status = cpu_to_le16((req->status << 1) | cq->phase); 132588eea45cSKlaus Jensen req->cqe.sq_id = cpu_to_le16(sq->sqid); 132688eea45cSKlaus Jensen req->cqe.sq_head = cpu_to_le16(sq->head); 132788eea45cSKlaus Jensen addr = cq->dma_addr + cq->tail * n->cqe_size; 132888eea45cSKlaus Jensen ret = pci_dma_write(&n->parent_obj, addr, (void *)&req->cqe, 132988eea45cSKlaus Jensen sizeof(req->cqe)); 133088eea45cSKlaus Jensen if (ret) { 133188eea45cSKlaus Jensen trace_pci_nvme_err_addr_write(addr); 133288eea45cSKlaus Jensen trace_pci_nvme_err_cfs(); 133349e03457SKlaus Jensen stl_le_p(&n->bar.csts, NVME_CSTS_FAILED); 133488eea45cSKlaus Jensen break; 133588eea45cSKlaus Jensen } 133688eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->req_list, req, entry); 133788eea45cSKlaus Jensen nvme_inc_cq_tail(cq); 133888eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 133988eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->req_list, req, entry); 134088eea45cSKlaus Jensen } 134188eea45cSKlaus Jensen if (cq->tail != cq->head) { 134283d7ed5cSKlaus Jensen if (cq->irq_enabled && !pending) { 134383d7ed5cSKlaus Jensen n->cq_pending++; 134483d7ed5cSKlaus Jensen } 134583d7ed5cSKlaus Jensen 134688eea45cSKlaus Jensen nvme_irq_assert(n, cq); 134788eea45cSKlaus Jensen } 134888eea45cSKlaus Jensen } 134988eea45cSKlaus Jensen 135088eea45cSKlaus Jensen static void nvme_enqueue_req_completion(NvmeCQueue *cq, NvmeRequest *req) 135188eea45cSKlaus Jensen { 135288eea45cSKlaus Jensen assert(cq->cqid == req->sq->cqid); 135388eea45cSKlaus Jensen trace_pci_nvme_enqueue_req_completion(nvme_cid(req), cq->cqid, 1354f1c97407SKlaus Jensen le32_to_cpu(req->cqe.result), 1355f1c97407SKlaus Jensen le32_to_cpu(req->cqe.dw1), 135688eea45cSKlaus Jensen req->status); 135788eea45cSKlaus Jensen 135888eea45cSKlaus Jensen if (req->status) { 135988eea45cSKlaus Jensen trace_pci_nvme_err_req_status(nvme_cid(req), nvme_nsid(req->ns), 136088eea45cSKlaus Jensen req->status, req->cmd.opcode); 136188eea45cSKlaus Jensen } 136288eea45cSKlaus Jensen 136388eea45cSKlaus Jensen QTAILQ_REMOVE(&req->sq->out_req_list, req, entry); 136488eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&cq->req_list, req, entry); 136588eea45cSKlaus Jensen timer_mod(cq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); 136688eea45cSKlaus Jensen } 136788eea45cSKlaus Jensen 136888eea45cSKlaus Jensen static void nvme_process_aers(void *opaque) 136988eea45cSKlaus Jensen { 137088eea45cSKlaus Jensen NvmeCtrl *n = opaque; 137188eea45cSKlaus Jensen NvmeAsyncEvent *event, *next; 137288eea45cSKlaus Jensen 137388eea45cSKlaus Jensen trace_pci_nvme_process_aers(n->aer_queued); 137488eea45cSKlaus Jensen 137588eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(event, &n->aer_queue, entry, next) { 137688eea45cSKlaus Jensen NvmeRequest *req; 137788eea45cSKlaus Jensen NvmeAerResult *result; 137888eea45cSKlaus Jensen 137988eea45cSKlaus Jensen /* can't post cqe if there is nothing to complete */ 138088eea45cSKlaus Jensen if (!n->outstanding_aers) { 138188eea45cSKlaus Jensen trace_pci_nvme_no_outstanding_aers(); 138288eea45cSKlaus Jensen break; 138388eea45cSKlaus Jensen } 138488eea45cSKlaus Jensen 138588eea45cSKlaus Jensen /* ignore if masked (cqe posted, but event not cleared) */ 138688eea45cSKlaus Jensen if (n->aer_mask & (1 << event->result.event_type)) { 138788eea45cSKlaus Jensen trace_pci_nvme_aer_masked(event->result.event_type, n->aer_mask); 138888eea45cSKlaus Jensen continue; 138988eea45cSKlaus Jensen } 139088eea45cSKlaus Jensen 139188eea45cSKlaus Jensen QTAILQ_REMOVE(&n->aer_queue, event, entry); 139288eea45cSKlaus Jensen n->aer_queued--; 139388eea45cSKlaus Jensen 139488eea45cSKlaus Jensen n->aer_mask |= 1 << event->result.event_type; 139588eea45cSKlaus Jensen n->outstanding_aers--; 139688eea45cSKlaus Jensen 139788eea45cSKlaus Jensen req = n->aer_reqs[n->outstanding_aers]; 139888eea45cSKlaus Jensen 139988eea45cSKlaus Jensen result = (NvmeAerResult *) &req->cqe.result; 140088eea45cSKlaus Jensen result->event_type = event->result.event_type; 140188eea45cSKlaus Jensen result->event_info = event->result.event_info; 140288eea45cSKlaus Jensen result->log_page = event->result.log_page; 140388eea45cSKlaus Jensen g_free(event); 140488eea45cSKlaus Jensen 140588eea45cSKlaus Jensen trace_pci_nvme_aer_post_cqe(result->event_type, result->event_info, 140688eea45cSKlaus Jensen result->log_page); 140788eea45cSKlaus Jensen 140888eea45cSKlaus Jensen nvme_enqueue_req_completion(&n->admin_cq, req); 140988eea45cSKlaus Jensen } 141088eea45cSKlaus Jensen } 141188eea45cSKlaus Jensen 141288eea45cSKlaus Jensen static void nvme_enqueue_event(NvmeCtrl *n, uint8_t event_type, 141388eea45cSKlaus Jensen uint8_t event_info, uint8_t log_page) 141488eea45cSKlaus Jensen { 141588eea45cSKlaus Jensen NvmeAsyncEvent *event; 141688eea45cSKlaus Jensen 141788eea45cSKlaus Jensen trace_pci_nvme_enqueue_event(event_type, event_info, log_page); 141888eea45cSKlaus Jensen 141988eea45cSKlaus Jensen if (n->aer_queued == n->params.aer_max_queued) { 142088eea45cSKlaus Jensen trace_pci_nvme_enqueue_event_noqueue(n->aer_queued); 142188eea45cSKlaus Jensen return; 142288eea45cSKlaus Jensen } 142388eea45cSKlaus Jensen 142488eea45cSKlaus Jensen event = g_new(NvmeAsyncEvent, 1); 142588eea45cSKlaus Jensen event->result = (NvmeAerResult) { 142688eea45cSKlaus Jensen .event_type = event_type, 142788eea45cSKlaus Jensen .event_info = event_info, 142888eea45cSKlaus Jensen .log_page = log_page, 142988eea45cSKlaus Jensen }; 143088eea45cSKlaus Jensen 143188eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&n->aer_queue, event, entry); 143288eea45cSKlaus Jensen n->aer_queued++; 143388eea45cSKlaus Jensen 143488eea45cSKlaus Jensen nvme_process_aers(n); 143588eea45cSKlaus Jensen } 143688eea45cSKlaus Jensen 143788eea45cSKlaus Jensen static void nvme_smart_event(NvmeCtrl *n, uint8_t event) 143888eea45cSKlaus Jensen { 143988eea45cSKlaus Jensen uint8_t aer_info; 144088eea45cSKlaus Jensen 144188eea45cSKlaus Jensen /* Ref SPEC <Asynchronous Event Information 0x2013 SMART / Health Status> */ 144288eea45cSKlaus Jensen if (!(NVME_AEC_SMART(n->features.async_config) & event)) { 144388eea45cSKlaus Jensen return; 144488eea45cSKlaus Jensen } 144588eea45cSKlaus Jensen 144688eea45cSKlaus Jensen switch (event) { 144788eea45cSKlaus Jensen case NVME_SMART_SPARE: 144888eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_SPARE_THRESH; 144988eea45cSKlaus Jensen break; 145088eea45cSKlaus Jensen case NVME_SMART_TEMPERATURE: 145188eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_TEMP_THRESH; 145288eea45cSKlaus Jensen break; 145388eea45cSKlaus Jensen case NVME_SMART_RELIABILITY: 145488eea45cSKlaus Jensen case NVME_SMART_MEDIA_READ_ONLY: 145588eea45cSKlaus Jensen case NVME_SMART_FAILED_VOLATILE_MEDIA: 145688eea45cSKlaus Jensen case NVME_SMART_PMR_UNRELIABLE: 145788eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_RELIABILITY; 145888eea45cSKlaus Jensen break; 145988eea45cSKlaus Jensen default: 146088eea45cSKlaus Jensen return; 146188eea45cSKlaus Jensen } 146288eea45cSKlaus Jensen 146388eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_SMART, aer_info, NVME_LOG_SMART_INFO); 146488eea45cSKlaus Jensen } 146588eea45cSKlaus Jensen 146688eea45cSKlaus Jensen static void nvme_clear_events(NvmeCtrl *n, uint8_t event_type) 146788eea45cSKlaus Jensen { 146888eea45cSKlaus Jensen n->aer_mask &= ~(1 << event_type); 146988eea45cSKlaus Jensen if (!QTAILQ_EMPTY(&n->aer_queue)) { 147088eea45cSKlaus Jensen nvme_process_aers(n); 147188eea45cSKlaus Jensen } 147288eea45cSKlaus Jensen } 147388eea45cSKlaus Jensen 147488eea45cSKlaus Jensen static inline uint16_t nvme_check_mdts(NvmeCtrl *n, size_t len) 147588eea45cSKlaus Jensen { 147688eea45cSKlaus Jensen uint8_t mdts = n->params.mdts; 147788eea45cSKlaus Jensen 147888eea45cSKlaus Jensen if (mdts && len > n->page_size << mdts) { 147988eea45cSKlaus Jensen trace_pci_nvme_err_mdts(len); 148088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 148188eea45cSKlaus Jensen } 148288eea45cSKlaus Jensen 148388eea45cSKlaus Jensen return NVME_SUCCESS; 148488eea45cSKlaus Jensen } 148588eea45cSKlaus Jensen 148688eea45cSKlaus Jensen static inline uint16_t nvme_check_bounds(NvmeNamespace *ns, uint64_t slba, 148788eea45cSKlaus Jensen uint32_t nlb) 148888eea45cSKlaus Jensen { 148988eea45cSKlaus Jensen uint64_t nsze = le64_to_cpu(ns->id_ns.nsze); 149088eea45cSKlaus Jensen 149188eea45cSKlaus Jensen if (unlikely(UINT64_MAX - slba < nlb || slba + nlb > nsze)) { 149288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(slba, nlb, nsze); 149388eea45cSKlaus Jensen return NVME_LBA_RANGE | NVME_DNR; 149488eea45cSKlaus Jensen } 149588eea45cSKlaus Jensen 149688eea45cSKlaus Jensen return NVME_SUCCESS; 149788eea45cSKlaus Jensen } 149888eea45cSKlaus Jensen 1499ff0ac2c8SKlaus Jensen static int nvme_block_status_all(NvmeNamespace *ns, uint64_t slba, 1500ff0ac2c8SKlaus Jensen uint32_t nlb, int flags) 150188eea45cSKlaus Jensen { 150288eea45cSKlaus Jensen BlockDriverState *bs = blk_bs(ns->blkconf.blk); 150388eea45cSKlaus Jensen 150488eea45cSKlaus Jensen int64_t pnum = 0, bytes = nvme_l2b(ns, nlb); 150588eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 150688eea45cSKlaus Jensen int ret; 150788eea45cSKlaus Jensen 150888eea45cSKlaus Jensen /* 150988eea45cSKlaus Jensen * `pnum` holds the number of bytes after offset that shares the same 151088eea45cSKlaus Jensen * allocation status as the byte at offset. If `pnum` is different from 151188eea45cSKlaus Jensen * `bytes`, we should check the allocation status of the next range and 151288eea45cSKlaus Jensen * continue this until all bytes have been checked. 151388eea45cSKlaus Jensen */ 151488eea45cSKlaus Jensen do { 151588eea45cSKlaus Jensen bytes -= pnum; 151688eea45cSKlaus Jensen 151788eea45cSKlaus Jensen ret = bdrv_block_status(bs, offset, bytes, &pnum, NULL, NULL); 151888eea45cSKlaus Jensen if (ret < 0) { 1519ff0ac2c8SKlaus Jensen return ret; 152088eea45cSKlaus Jensen } 152188eea45cSKlaus Jensen 152288eea45cSKlaus Jensen 1523ff0ac2c8SKlaus Jensen trace_pci_nvme_block_status(offset, bytes, pnum, ret, 1524ff0ac2c8SKlaus Jensen !!(ret & BDRV_BLOCK_ZERO)); 152588eea45cSKlaus Jensen 1526ff0ac2c8SKlaus Jensen if (!(ret & flags)) { 1527ff0ac2c8SKlaus Jensen return 1; 152888eea45cSKlaus Jensen } 152988eea45cSKlaus Jensen 153088eea45cSKlaus Jensen offset += pnum; 153188eea45cSKlaus Jensen } while (pnum != bytes); 153288eea45cSKlaus Jensen 1533ff0ac2c8SKlaus Jensen return 0; 1534ff0ac2c8SKlaus Jensen } 1535ff0ac2c8SKlaus Jensen 1536ff0ac2c8SKlaus Jensen static uint16_t nvme_check_dulbe(NvmeNamespace *ns, uint64_t slba, 1537ff0ac2c8SKlaus Jensen uint32_t nlb) 1538ff0ac2c8SKlaus Jensen { 1539ff0ac2c8SKlaus Jensen int ret; 1540ff0ac2c8SKlaus Jensen Error *err = NULL; 1541ff0ac2c8SKlaus Jensen 1542ff0ac2c8SKlaus Jensen ret = nvme_block_status_all(ns, slba, nlb, BDRV_BLOCK_DATA); 1543ff0ac2c8SKlaus Jensen if (ret) { 1544ff0ac2c8SKlaus Jensen if (ret < 0) { 1545ff0ac2c8SKlaus Jensen error_setg_errno(&err, -ret, "unable to get block status"); 1546ff0ac2c8SKlaus Jensen error_report_err(err); 1547ff0ac2c8SKlaus Jensen 1548ff0ac2c8SKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 1549ff0ac2c8SKlaus Jensen } 1550ff0ac2c8SKlaus Jensen 1551ff0ac2c8SKlaus Jensen return NVME_DULB; 1552ff0ac2c8SKlaus Jensen } 1553ff0ac2c8SKlaus Jensen 155488eea45cSKlaus Jensen return NVME_SUCCESS; 155588eea45cSKlaus Jensen } 155688eea45cSKlaus Jensen 155788eea45cSKlaus Jensen static void nvme_aio_err(NvmeRequest *req, int ret) 155888eea45cSKlaus Jensen { 155988eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 156088eea45cSKlaus Jensen Error *local_err = NULL; 156188eea45cSKlaus Jensen 156288eea45cSKlaus Jensen switch (req->cmd.opcode) { 156388eea45cSKlaus Jensen case NVME_CMD_READ: 156488eea45cSKlaus Jensen status = NVME_UNRECOVERED_READ; 156588eea45cSKlaus Jensen break; 156688eea45cSKlaus Jensen case NVME_CMD_FLUSH: 156788eea45cSKlaus Jensen case NVME_CMD_WRITE: 156888eea45cSKlaus Jensen case NVME_CMD_WRITE_ZEROES: 156988eea45cSKlaus Jensen case NVME_CMD_ZONE_APPEND: 157088eea45cSKlaus Jensen status = NVME_WRITE_FAULT; 157188eea45cSKlaus Jensen break; 157288eea45cSKlaus Jensen default: 157388eea45cSKlaus Jensen status = NVME_INTERNAL_DEV_ERROR; 157488eea45cSKlaus Jensen break; 157588eea45cSKlaus Jensen } 157688eea45cSKlaus Jensen 157788eea45cSKlaus Jensen trace_pci_nvme_err_aio(nvme_cid(req), strerror(-ret), status); 157888eea45cSKlaus Jensen 157988eea45cSKlaus Jensen error_setg_errno(&local_err, -ret, "aio failed"); 158088eea45cSKlaus Jensen error_report_err(local_err); 158188eea45cSKlaus Jensen 158288eea45cSKlaus Jensen /* 158388eea45cSKlaus Jensen * Set the command status code to the first encountered error but allow a 158488eea45cSKlaus Jensen * subsequent Internal Device Error to trump it. 158588eea45cSKlaus Jensen */ 158688eea45cSKlaus Jensen if (req->status && status != NVME_INTERNAL_DEV_ERROR) { 158788eea45cSKlaus Jensen return; 158888eea45cSKlaus Jensen } 158988eea45cSKlaus Jensen 159088eea45cSKlaus Jensen req->status = status; 159188eea45cSKlaus Jensen } 159288eea45cSKlaus Jensen 159388eea45cSKlaus Jensen static inline uint32_t nvme_zone_idx(NvmeNamespace *ns, uint64_t slba) 159488eea45cSKlaus Jensen { 159588eea45cSKlaus Jensen return ns->zone_size_log2 > 0 ? slba >> ns->zone_size_log2 : 159688eea45cSKlaus Jensen slba / ns->zone_size; 159788eea45cSKlaus Jensen } 159888eea45cSKlaus Jensen 159988eea45cSKlaus Jensen static inline NvmeZone *nvme_get_zone_by_slba(NvmeNamespace *ns, uint64_t slba) 160088eea45cSKlaus Jensen { 160188eea45cSKlaus Jensen uint32_t zone_idx = nvme_zone_idx(ns, slba); 160288eea45cSKlaus Jensen 1603189a8bf7SKlaus Jensen if (zone_idx >= ns->num_zones) { 1604189a8bf7SKlaus Jensen return NULL; 1605189a8bf7SKlaus Jensen } 1606189a8bf7SKlaus Jensen 160788eea45cSKlaus Jensen return &ns->zone_array[zone_idx]; 160888eea45cSKlaus Jensen } 160988eea45cSKlaus Jensen 161088eea45cSKlaus Jensen static uint16_t nvme_check_zone_state_for_write(NvmeZone *zone) 161188eea45cSKlaus Jensen { 161288eea45cSKlaus Jensen uint64_t zslba = zone->d.zslba; 161388eea45cSKlaus Jensen 161488eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 161588eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 161688eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 161788eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 161888eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 161988eea45cSKlaus Jensen return NVME_SUCCESS; 162088eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 162188eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_full(zslba); 162288eea45cSKlaus Jensen return NVME_ZONE_FULL; 162388eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 162488eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_offline(zslba); 162588eea45cSKlaus Jensen return NVME_ZONE_OFFLINE; 162688eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 162788eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_read_only(zslba); 162888eea45cSKlaus Jensen return NVME_ZONE_READ_ONLY; 162988eea45cSKlaus Jensen default: 163088eea45cSKlaus Jensen assert(false); 163188eea45cSKlaus Jensen } 163288eea45cSKlaus Jensen 163388eea45cSKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 163488eea45cSKlaus Jensen } 163588eea45cSKlaus Jensen 163688eea45cSKlaus Jensen static uint16_t nvme_check_zone_write(NvmeNamespace *ns, NvmeZone *zone, 163788eea45cSKlaus Jensen uint64_t slba, uint32_t nlb) 163888eea45cSKlaus Jensen { 163988eea45cSKlaus Jensen uint64_t zcap = nvme_zone_wr_boundary(zone); 164088eea45cSKlaus Jensen uint16_t status; 164188eea45cSKlaus Jensen 164288eea45cSKlaus Jensen status = nvme_check_zone_state_for_write(zone); 164388eea45cSKlaus Jensen if (status) { 164488eea45cSKlaus Jensen return status; 164588eea45cSKlaus Jensen } 164688eea45cSKlaus Jensen 1647e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1648e321b4cdSKlaus Jensen uint64_t ezrwa = zone->w_ptr + 2 * ns->zns.zrwas; 1649e321b4cdSKlaus Jensen 1650e321b4cdSKlaus Jensen if (slba < zone->w_ptr || slba + nlb > ezrwa) { 1651e321b4cdSKlaus Jensen trace_pci_nvme_err_zone_invalid_write(slba, zone->w_ptr); 165288eea45cSKlaus Jensen return NVME_ZONE_INVALID_WRITE; 165388eea45cSKlaus Jensen } 1654e321b4cdSKlaus Jensen } else { 1655e321b4cdSKlaus Jensen if (unlikely(slba != zone->w_ptr)) { 1656e321b4cdSKlaus Jensen trace_pci_nvme_err_write_not_at_wp(slba, zone->d.zslba, 1657e321b4cdSKlaus Jensen zone->w_ptr); 1658e321b4cdSKlaus Jensen return NVME_ZONE_INVALID_WRITE; 1659e321b4cdSKlaus Jensen } 1660e321b4cdSKlaus Jensen } 166188eea45cSKlaus Jensen 166288eea45cSKlaus Jensen if (unlikely((slba + nlb) > zcap)) { 166388eea45cSKlaus Jensen trace_pci_nvme_err_zone_boundary(slba, nlb, zcap); 166488eea45cSKlaus Jensen return NVME_ZONE_BOUNDARY_ERROR; 166588eea45cSKlaus Jensen } 166688eea45cSKlaus Jensen 166788eea45cSKlaus Jensen return NVME_SUCCESS; 166888eea45cSKlaus Jensen } 166988eea45cSKlaus Jensen 167088eea45cSKlaus Jensen static uint16_t nvme_check_zone_state_for_read(NvmeZone *zone) 167188eea45cSKlaus Jensen { 167288eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 167388eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 167488eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 167588eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 167688eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 167788eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 167888eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 167988eea45cSKlaus Jensen return NVME_SUCCESS; 168088eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 168188eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_offline(zone->d.zslba); 168288eea45cSKlaus Jensen return NVME_ZONE_OFFLINE; 168388eea45cSKlaus Jensen default: 168488eea45cSKlaus Jensen assert(false); 168588eea45cSKlaus Jensen } 168688eea45cSKlaus Jensen 168788eea45cSKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 168888eea45cSKlaus Jensen } 168988eea45cSKlaus Jensen 169088eea45cSKlaus Jensen static uint16_t nvme_check_zone_read(NvmeNamespace *ns, uint64_t slba, 169188eea45cSKlaus Jensen uint32_t nlb) 169288eea45cSKlaus Jensen { 1693189a8bf7SKlaus Jensen NvmeZone *zone; 1694189a8bf7SKlaus Jensen uint64_t bndry, end; 169588eea45cSKlaus Jensen uint16_t status; 169688eea45cSKlaus Jensen 1697189a8bf7SKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 1698189a8bf7SKlaus Jensen assert(zone); 1699189a8bf7SKlaus Jensen 1700189a8bf7SKlaus Jensen bndry = nvme_zone_rd_boundary(ns, zone); 1701189a8bf7SKlaus Jensen end = slba + nlb; 1702189a8bf7SKlaus Jensen 170388eea45cSKlaus Jensen status = nvme_check_zone_state_for_read(zone); 170488eea45cSKlaus Jensen if (status) { 170588eea45cSKlaus Jensen ; 170688eea45cSKlaus Jensen } else if (unlikely(end > bndry)) { 170788eea45cSKlaus Jensen if (!ns->params.cross_zone_read) { 170888eea45cSKlaus Jensen status = NVME_ZONE_BOUNDARY_ERROR; 170988eea45cSKlaus Jensen } else { 171088eea45cSKlaus Jensen /* 171188eea45cSKlaus Jensen * Read across zone boundary - check that all subsequent 171288eea45cSKlaus Jensen * zones that are being read have an appropriate state. 171388eea45cSKlaus Jensen */ 171488eea45cSKlaus Jensen do { 171588eea45cSKlaus Jensen zone++; 171688eea45cSKlaus Jensen status = nvme_check_zone_state_for_read(zone); 171788eea45cSKlaus Jensen if (status) { 171888eea45cSKlaus Jensen break; 171988eea45cSKlaus Jensen } 172088eea45cSKlaus Jensen } while (end > nvme_zone_rd_boundary(ns, zone)); 172188eea45cSKlaus Jensen } 172288eea45cSKlaus Jensen } 172388eea45cSKlaus Jensen 172488eea45cSKlaus Jensen return status; 172588eea45cSKlaus Jensen } 172688eea45cSKlaus Jensen 172788eea45cSKlaus Jensen static uint16_t nvme_zrm_finish(NvmeNamespace *ns, NvmeZone *zone) 172888eea45cSKlaus Jensen { 172988eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 173088eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 173188eea45cSKlaus Jensen return NVME_SUCCESS; 173288eea45cSKlaus Jensen 173388eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 173488eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 173588eea45cSKlaus Jensen nvme_aor_dec_open(ns); 173688eea45cSKlaus Jensen /* fallthrough */ 173788eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 173888eea45cSKlaus Jensen nvme_aor_dec_active(ns); 1739e321b4cdSKlaus Jensen 1740e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1741e321b4cdSKlaus Jensen zone->d.za &= ~NVME_ZA_ZRWA_VALID; 1742e321b4cdSKlaus Jensen if (ns->params.numzrwa) { 1743e321b4cdSKlaus Jensen ns->zns.numzrwa++; 1744e321b4cdSKlaus Jensen } 1745e321b4cdSKlaus Jensen } 1746e321b4cdSKlaus Jensen 174788eea45cSKlaus Jensen /* fallthrough */ 174888eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 174988eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_FULL); 175088eea45cSKlaus Jensen return NVME_SUCCESS; 175188eea45cSKlaus Jensen 175288eea45cSKlaus Jensen default: 175388eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 175488eea45cSKlaus Jensen } 175588eea45cSKlaus Jensen } 175688eea45cSKlaus Jensen 175788eea45cSKlaus Jensen static uint16_t nvme_zrm_close(NvmeNamespace *ns, NvmeZone *zone) 175888eea45cSKlaus Jensen { 175988eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 176088eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 176188eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 176288eea45cSKlaus Jensen nvme_aor_dec_open(ns); 176388eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_CLOSED); 176488eea45cSKlaus Jensen /* fall through */ 176588eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 176688eea45cSKlaus Jensen return NVME_SUCCESS; 176788eea45cSKlaus Jensen 176888eea45cSKlaus Jensen default: 176988eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 177088eea45cSKlaus Jensen } 177188eea45cSKlaus Jensen } 177288eea45cSKlaus Jensen 177363d96e4fSKlaus Jensen static uint16_t nvme_zrm_reset(NvmeNamespace *ns, NvmeZone *zone) 177463d96e4fSKlaus Jensen { 177563d96e4fSKlaus Jensen switch (nvme_get_zone_state(zone)) { 177663d96e4fSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 177763d96e4fSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 177863d96e4fSKlaus Jensen nvme_aor_dec_open(ns); 177963d96e4fSKlaus Jensen /* fallthrough */ 178063d96e4fSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 178163d96e4fSKlaus Jensen nvme_aor_dec_active(ns); 1782e321b4cdSKlaus Jensen 1783e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1784e321b4cdSKlaus Jensen if (ns->params.numzrwa) { 1785e321b4cdSKlaus Jensen ns->zns.numzrwa++; 1786e321b4cdSKlaus Jensen } 1787e321b4cdSKlaus Jensen } 1788e321b4cdSKlaus Jensen 178963d96e4fSKlaus Jensen /* fallthrough */ 179063d96e4fSKlaus Jensen case NVME_ZONE_STATE_FULL: 179163d96e4fSKlaus Jensen zone->w_ptr = zone->d.zslba; 179263d96e4fSKlaus Jensen zone->d.wp = zone->w_ptr; 179363d96e4fSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_EMPTY); 179463d96e4fSKlaus Jensen /* fallthrough */ 179563d96e4fSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 179663d96e4fSKlaus Jensen return NVME_SUCCESS; 179763d96e4fSKlaus Jensen 179863d96e4fSKlaus Jensen default: 179963d96e4fSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 180063d96e4fSKlaus Jensen } 180163d96e4fSKlaus Jensen } 180263d96e4fSKlaus Jensen 180388eea45cSKlaus Jensen static void nvme_zrm_auto_transition_zone(NvmeNamespace *ns) 180488eea45cSKlaus Jensen { 180588eea45cSKlaus Jensen NvmeZone *zone; 180688eea45cSKlaus Jensen 180788eea45cSKlaus Jensen if (ns->params.max_open_zones && 180888eea45cSKlaus Jensen ns->nr_open_zones == ns->params.max_open_zones) { 180988eea45cSKlaus Jensen zone = QTAILQ_FIRST(&ns->imp_open_zones); 181088eea45cSKlaus Jensen if (zone) { 181188eea45cSKlaus Jensen /* 181288eea45cSKlaus Jensen * Automatically close this implicitly open zone. 181388eea45cSKlaus Jensen */ 181488eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->imp_open_zones, zone, entry); 181588eea45cSKlaus Jensen nvme_zrm_close(ns, zone); 181688eea45cSKlaus Jensen } 181788eea45cSKlaus Jensen } 181888eea45cSKlaus Jensen } 181988eea45cSKlaus Jensen 182088eea45cSKlaus Jensen enum { 182188eea45cSKlaus Jensen NVME_ZRM_AUTO = 1 << 0, 1822e321b4cdSKlaus Jensen NVME_ZRM_ZRWA = 1 << 1, 182388eea45cSKlaus Jensen }; 182488eea45cSKlaus Jensen 1825cccc2651SNiklas Cassel static uint16_t nvme_zrm_open_flags(NvmeCtrl *n, NvmeNamespace *ns, 1826cccc2651SNiklas Cassel NvmeZone *zone, int flags) 182788eea45cSKlaus Jensen { 182888eea45cSKlaus Jensen int act = 0; 182988eea45cSKlaus Jensen uint16_t status; 183088eea45cSKlaus Jensen 183188eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 183288eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 183388eea45cSKlaus Jensen act = 1; 183488eea45cSKlaus Jensen 183588eea45cSKlaus Jensen /* fallthrough */ 183688eea45cSKlaus Jensen 183788eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 1838cccc2651SNiklas Cassel if (n->params.auto_transition_zones) { 183988eea45cSKlaus Jensen nvme_zrm_auto_transition_zone(ns); 1840cccc2651SNiklas Cassel } 1841e321b4cdSKlaus Jensen status = nvme_zns_check_resources(ns, act, 1, 1842e321b4cdSKlaus Jensen (flags & NVME_ZRM_ZRWA) ? 1 : 0); 184388eea45cSKlaus Jensen if (status) { 184488eea45cSKlaus Jensen return status; 184588eea45cSKlaus Jensen } 184688eea45cSKlaus Jensen 184788eea45cSKlaus Jensen if (act) { 184888eea45cSKlaus Jensen nvme_aor_inc_active(ns); 184988eea45cSKlaus Jensen } 185088eea45cSKlaus Jensen 185188eea45cSKlaus Jensen nvme_aor_inc_open(ns); 185288eea45cSKlaus Jensen 185388eea45cSKlaus Jensen if (flags & NVME_ZRM_AUTO) { 185488eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_IMPLICITLY_OPEN); 185588eea45cSKlaus Jensen return NVME_SUCCESS; 185688eea45cSKlaus Jensen } 185788eea45cSKlaus Jensen 185888eea45cSKlaus Jensen /* fallthrough */ 185988eea45cSKlaus Jensen 186088eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 186188eea45cSKlaus Jensen if (flags & NVME_ZRM_AUTO) { 186288eea45cSKlaus Jensen return NVME_SUCCESS; 186388eea45cSKlaus Jensen } 186488eea45cSKlaus Jensen 186588eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_EXPLICITLY_OPEN); 186688eea45cSKlaus Jensen 186788eea45cSKlaus Jensen /* fallthrough */ 186888eea45cSKlaus Jensen 186988eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 1870e321b4cdSKlaus Jensen if (flags & NVME_ZRM_ZRWA) { 1871e321b4cdSKlaus Jensen ns->zns.numzrwa--; 1872e321b4cdSKlaus Jensen 1873e321b4cdSKlaus Jensen zone->d.za |= NVME_ZA_ZRWA_VALID; 1874e321b4cdSKlaus Jensen } 1875e321b4cdSKlaus Jensen 187688eea45cSKlaus Jensen return NVME_SUCCESS; 187788eea45cSKlaus Jensen 187888eea45cSKlaus Jensen default: 187988eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 188088eea45cSKlaus Jensen } 188188eea45cSKlaus Jensen } 188288eea45cSKlaus Jensen 1883cccc2651SNiklas Cassel static inline uint16_t nvme_zrm_auto(NvmeCtrl *n, NvmeNamespace *ns, 1884cccc2651SNiklas Cassel NvmeZone *zone) 188588eea45cSKlaus Jensen { 1886cccc2651SNiklas Cassel return nvme_zrm_open_flags(n, ns, zone, NVME_ZRM_AUTO); 188788eea45cSKlaus Jensen } 188888eea45cSKlaus Jensen 188988eea45cSKlaus Jensen static void nvme_advance_zone_wp(NvmeNamespace *ns, NvmeZone *zone, 189088eea45cSKlaus Jensen uint32_t nlb) 189188eea45cSKlaus Jensen { 189288eea45cSKlaus Jensen zone->d.wp += nlb; 189388eea45cSKlaus Jensen 189488eea45cSKlaus Jensen if (zone->d.wp == nvme_zone_wr_boundary(zone)) { 189588eea45cSKlaus Jensen nvme_zrm_finish(ns, zone); 189688eea45cSKlaus Jensen } 189788eea45cSKlaus Jensen } 189888eea45cSKlaus Jensen 1899e321b4cdSKlaus Jensen static void nvme_zoned_zrwa_implicit_flush(NvmeNamespace *ns, NvmeZone *zone, 1900e321b4cdSKlaus Jensen uint32_t nlbc) 1901e321b4cdSKlaus Jensen { 1902e321b4cdSKlaus Jensen uint16_t nzrwafgs = DIV_ROUND_UP(nlbc, ns->zns.zrwafg); 1903e321b4cdSKlaus Jensen 1904e321b4cdSKlaus Jensen nlbc = nzrwafgs * ns->zns.zrwafg; 1905e321b4cdSKlaus Jensen 1906e321b4cdSKlaus Jensen trace_pci_nvme_zoned_zrwa_implicit_flush(zone->d.zslba, nlbc); 1907e321b4cdSKlaus Jensen 1908e321b4cdSKlaus Jensen zone->w_ptr += nlbc; 1909e321b4cdSKlaus Jensen 1910e321b4cdSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlbc); 1911e321b4cdSKlaus Jensen } 1912e321b4cdSKlaus Jensen 191388eea45cSKlaus Jensen static void nvme_finalize_zoned_write(NvmeNamespace *ns, NvmeRequest *req) 191488eea45cSKlaus Jensen { 191588eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 191688eea45cSKlaus Jensen NvmeZone *zone; 191788eea45cSKlaus Jensen uint64_t slba; 191888eea45cSKlaus Jensen uint32_t nlb; 191988eea45cSKlaus Jensen 192088eea45cSKlaus Jensen slba = le64_to_cpu(rw->slba); 192188eea45cSKlaus Jensen nlb = le16_to_cpu(rw->nlb) + 1; 192288eea45cSKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 1923189a8bf7SKlaus Jensen assert(zone); 192488eea45cSKlaus Jensen 1925e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1926e321b4cdSKlaus Jensen uint64_t ezrwa = zone->w_ptr + ns->zns.zrwas - 1; 1927e321b4cdSKlaus Jensen uint64_t elba = slba + nlb - 1; 1928e321b4cdSKlaus Jensen 1929e321b4cdSKlaus Jensen if (elba > ezrwa) { 1930e321b4cdSKlaus Jensen nvme_zoned_zrwa_implicit_flush(ns, zone, elba - ezrwa); 1931e321b4cdSKlaus Jensen } 1932e321b4cdSKlaus Jensen 1933e321b4cdSKlaus Jensen return; 1934e321b4cdSKlaus Jensen } 1935e321b4cdSKlaus Jensen 193688eea45cSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlb); 193788eea45cSKlaus Jensen } 193888eea45cSKlaus Jensen 193988eea45cSKlaus Jensen static inline bool nvme_is_write(NvmeRequest *req) 194088eea45cSKlaus Jensen { 194188eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 194288eea45cSKlaus Jensen 194388eea45cSKlaus Jensen return rw->opcode == NVME_CMD_WRITE || 194488eea45cSKlaus Jensen rw->opcode == NVME_CMD_ZONE_APPEND || 194588eea45cSKlaus Jensen rw->opcode == NVME_CMD_WRITE_ZEROES; 194688eea45cSKlaus Jensen } 194788eea45cSKlaus Jensen 194838f4ac65SKlaus Jensen static AioContext *nvme_get_aio_context(BlockAIOCB *acb) 194938f4ac65SKlaus Jensen { 195038f4ac65SKlaus Jensen return qemu_get_aio_context(); 195138f4ac65SKlaus Jensen } 195238f4ac65SKlaus Jensen 195388eea45cSKlaus Jensen static void nvme_misc_cb(void *opaque, int ret) 195488eea45cSKlaus Jensen { 195588eea45cSKlaus Jensen NvmeRequest *req = opaque; 195688eea45cSKlaus Jensen 195738f4ac65SKlaus Jensen trace_pci_nvme_misc_cb(nvme_cid(req)); 195888eea45cSKlaus Jensen 195988eea45cSKlaus Jensen if (ret) { 196088eea45cSKlaus Jensen nvme_aio_err(req, ret); 196188eea45cSKlaus Jensen } 196288eea45cSKlaus Jensen 196388eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 196488eea45cSKlaus Jensen } 196588eea45cSKlaus Jensen 196688eea45cSKlaus Jensen void nvme_rw_complete_cb(void *opaque, int ret) 196788eea45cSKlaus Jensen { 196888eea45cSKlaus Jensen NvmeRequest *req = opaque; 196988eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 197088eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 197188eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 197288eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 197388eea45cSKlaus Jensen 197488eea45cSKlaus Jensen trace_pci_nvme_rw_complete_cb(nvme_cid(req), blk_name(blk)); 197588eea45cSKlaus Jensen 197688eea45cSKlaus Jensen if (ret) { 197788eea45cSKlaus Jensen block_acct_failed(stats, acct); 197888eea45cSKlaus Jensen nvme_aio_err(req, ret); 197988eea45cSKlaus Jensen } else { 198088eea45cSKlaus Jensen block_acct_done(stats, acct); 198188eea45cSKlaus Jensen } 198288eea45cSKlaus Jensen 198388eea45cSKlaus Jensen if (ns->params.zoned && nvme_is_write(req)) { 198488eea45cSKlaus Jensen nvme_finalize_zoned_write(ns, req); 198588eea45cSKlaus Jensen } 198688eea45cSKlaus Jensen 198788eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 198888eea45cSKlaus Jensen } 198988eea45cSKlaus Jensen 199088eea45cSKlaus Jensen static void nvme_rw_cb(void *opaque, int ret) 199188eea45cSKlaus Jensen { 199288eea45cSKlaus Jensen NvmeRequest *req = opaque; 199388eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 199488eea45cSKlaus Jensen 199588eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 199688eea45cSKlaus Jensen 199788eea45cSKlaus Jensen trace_pci_nvme_rw_cb(nvme_cid(req), blk_name(blk)); 199888eea45cSKlaus Jensen 199988eea45cSKlaus Jensen if (ret) { 200088eea45cSKlaus Jensen goto out; 200188eea45cSKlaus Jensen } 200288eea45cSKlaus Jensen 200388eea45cSKlaus Jensen if (ns->lbaf.ms) { 200488eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 200588eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 200688eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 200788eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 200888eea45cSKlaus Jensen 200988eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_WRITE_ZEROES) { 201088eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 201188eea45cSKlaus Jensen 201288eea45cSKlaus Jensen req->aiocb = blk_aio_pwrite_zeroes(blk, offset, mlen, 201388eea45cSKlaus Jensen BDRV_REQ_MAY_UNMAP, 201488eea45cSKlaus Jensen nvme_rw_complete_cb, req); 201588eea45cSKlaus Jensen return; 201688eea45cSKlaus Jensen } 201788eea45cSKlaus Jensen 201888eea45cSKlaus Jensen if (nvme_ns_ext(ns) || req->cmd.mptr) { 201988eea45cSKlaus Jensen uint16_t status; 202088eea45cSKlaus Jensen 202188eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 202288eea45cSKlaus Jensen status = nvme_map_mdata(nvme_ctrl(req), nlb, req); 202388eea45cSKlaus Jensen if (status) { 202488eea45cSKlaus Jensen ret = -EFAULT; 202588eea45cSKlaus Jensen goto out; 202688eea45cSKlaus Jensen } 202788eea45cSKlaus Jensen 202888eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_READ) { 202988eea45cSKlaus Jensen return nvme_blk_read(blk, offset, nvme_rw_complete_cb, req); 203088eea45cSKlaus Jensen } 203188eea45cSKlaus Jensen 203288eea45cSKlaus Jensen return nvme_blk_write(blk, offset, nvme_rw_complete_cb, req); 203388eea45cSKlaus Jensen } 203488eea45cSKlaus Jensen } 203588eea45cSKlaus Jensen 203688eea45cSKlaus Jensen out: 203788eea45cSKlaus Jensen nvme_rw_complete_cb(req, ret); 203888eea45cSKlaus Jensen } 203988eea45cSKlaus Jensen 204088eea45cSKlaus Jensen static void nvme_verify_cb(void *opaque, int ret) 204188eea45cSKlaus Jensen { 204288eea45cSKlaus Jensen NvmeBounceContext *ctx = opaque; 204388eea45cSKlaus Jensen NvmeRequest *req = ctx->req; 204488eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 204588eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 204688eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 204788eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 204888eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 204988eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 20502a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 205188eea45cSKlaus Jensen uint16_t apptag = le16_to_cpu(rw->apptag); 205288eea45cSKlaus Jensen uint16_t appmask = le16_to_cpu(rw->appmask); 205344219b60SNaveen Nagar uint64_t reftag = le32_to_cpu(rw->reftag); 205444219b60SNaveen Nagar uint64_t cdw3 = le32_to_cpu(rw->cdw3); 205588eea45cSKlaus Jensen uint16_t status; 205688eea45cSKlaus Jensen 205744219b60SNaveen Nagar reftag |= cdw3 << 32; 205844219b60SNaveen Nagar 20592a132309SKlaus Jensen trace_pci_nvme_verify_cb(nvme_cid(req), prinfo, apptag, appmask, reftag); 206088eea45cSKlaus Jensen 206188eea45cSKlaus Jensen if (ret) { 206288eea45cSKlaus Jensen block_acct_failed(stats, acct); 206388eea45cSKlaus Jensen nvme_aio_err(req, ret); 206488eea45cSKlaus Jensen goto out; 206588eea45cSKlaus Jensen } 206688eea45cSKlaus Jensen 206788eea45cSKlaus Jensen block_acct_done(stats, acct); 206888eea45cSKlaus Jensen 206988eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 207088eea45cSKlaus Jensen status = nvme_dif_mangle_mdata(ns, ctx->mdata.bounce, 207188eea45cSKlaus Jensen ctx->mdata.iov.size, slba); 207288eea45cSKlaus Jensen if (status) { 207388eea45cSKlaus Jensen req->status = status; 207488eea45cSKlaus Jensen goto out; 207588eea45cSKlaus Jensen } 207688eea45cSKlaus Jensen 207788eea45cSKlaus Jensen req->status = nvme_dif_check(ns, ctx->data.bounce, ctx->data.iov.size, 207888eea45cSKlaus Jensen ctx->mdata.bounce, ctx->mdata.iov.size, 20792a132309SKlaus Jensen prinfo, slba, apptag, appmask, &reftag); 208088eea45cSKlaus Jensen } 208188eea45cSKlaus Jensen 208288eea45cSKlaus Jensen out: 208388eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 208488eea45cSKlaus Jensen g_free(ctx->data.bounce); 208588eea45cSKlaus Jensen 208688eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->mdata.iov); 208788eea45cSKlaus Jensen g_free(ctx->mdata.bounce); 208888eea45cSKlaus Jensen 208988eea45cSKlaus Jensen g_free(ctx); 209088eea45cSKlaus Jensen 209188eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 209288eea45cSKlaus Jensen } 209388eea45cSKlaus Jensen 209488eea45cSKlaus Jensen 209588eea45cSKlaus Jensen static void nvme_verify_mdata_in_cb(void *opaque, int ret) 209688eea45cSKlaus Jensen { 209788eea45cSKlaus Jensen NvmeBounceContext *ctx = opaque; 209888eea45cSKlaus Jensen NvmeRequest *req = ctx->req; 209988eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 210088eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 210188eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 210288eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 210388eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 210488eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 210588eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 210688eea45cSKlaus Jensen 210788eea45cSKlaus Jensen trace_pci_nvme_verify_mdata_in_cb(nvme_cid(req), blk_name(blk)); 210888eea45cSKlaus Jensen 210988eea45cSKlaus Jensen if (ret) { 211088eea45cSKlaus Jensen goto out; 211188eea45cSKlaus Jensen } 211288eea45cSKlaus Jensen 211388eea45cSKlaus Jensen ctx->mdata.bounce = g_malloc(mlen); 211488eea45cSKlaus Jensen 211588eea45cSKlaus Jensen qemu_iovec_reset(&ctx->mdata.iov); 211688eea45cSKlaus Jensen qemu_iovec_add(&ctx->mdata.iov, ctx->mdata.bounce, mlen); 211788eea45cSKlaus Jensen 211888eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->mdata.iov, 0, 211988eea45cSKlaus Jensen nvme_verify_cb, ctx); 212088eea45cSKlaus Jensen return; 212188eea45cSKlaus Jensen 212288eea45cSKlaus Jensen out: 212388eea45cSKlaus Jensen nvme_verify_cb(ctx, ret); 212488eea45cSKlaus Jensen } 212588eea45cSKlaus Jensen 212688eea45cSKlaus Jensen struct nvme_compare_ctx { 212788eea45cSKlaus Jensen struct { 212888eea45cSKlaus Jensen QEMUIOVector iov; 212988eea45cSKlaus Jensen uint8_t *bounce; 213088eea45cSKlaus Jensen } data; 213188eea45cSKlaus Jensen 213288eea45cSKlaus Jensen struct { 213388eea45cSKlaus Jensen QEMUIOVector iov; 213488eea45cSKlaus Jensen uint8_t *bounce; 213588eea45cSKlaus Jensen } mdata; 213688eea45cSKlaus Jensen }; 213788eea45cSKlaus Jensen 213888eea45cSKlaus Jensen static void nvme_compare_mdata_cb(void *opaque, int ret) 213988eea45cSKlaus Jensen { 214088eea45cSKlaus Jensen NvmeRequest *req = opaque; 214188eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 214288eea45cSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 214388eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 21442a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 214588eea45cSKlaus Jensen uint16_t apptag = le16_to_cpu(rw->apptag); 214688eea45cSKlaus Jensen uint16_t appmask = le16_to_cpu(rw->appmask); 214744219b60SNaveen Nagar uint64_t reftag = le32_to_cpu(rw->reftag); 214844219b60SNaveen Nagar uint64_t cdw3 = le32_to_cpu(rw->cdw3); 214988eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = req->opaque; 215088eea45cSKlaus Jensen g_autofree uint8_t *buf = NULL; 215188eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 215288eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 215388eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 215488eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 215588eea45cSKlaus Jensen 215644219b60SNaveen Nagar reftag |= cdw3 << 32; 215744219b60SNaveen Nagar 215888eea45cSKlaus Jensen trace_pci_nvme_compare_mdata_cb(nvme_cid(req)); 215988eea45cSKlaus Jensen 216088eea45cSKlaus Jensen if (ret) { 216188eea45cSKlaus Jensen block_acct_failed(stats, acct); 216288eea45cSKlaus Jensen nvme_aio_err(req, ret); 216388eea45cSKlaus Jensen goto out; 216488eea45cSKlaus Jensen } 216588eea45cSKlaus Jensen 216688eea45cSKlaus Jensen buf = g_malloc(ctx->mdata.iov.size); 216788eea45cSKlaus Jensen 216888eea45cSKlaus Jensen status = nvme_bounce_mdata(n, buf, ctx->mdata.iov.size, 216988eea45cSKlaus Jensen NVME_TX_DIRECTION_TO_DEVICE, req); 217088eea45cSKlaus Jensen if (status) { 217188eea45cSKlaus Jensen req->status = status; 217288eea45cSKlaus Jensen goto out; 217388eea45cSKlaus Jensen } 217488eea45cSKlaus Jensen 217588eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 217688eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 217788eea45cSKlaus Jensen uint8_t *bufp; 217888eea45cSKlaus Jensen uint8_t *mbufp = ctx->mdata.bounce; 217988eea45cSKlaus Jensen uint8_t *end = mbufp + ctx->mdata.iov.size; 218088eea45cSKlaus Jensen int16_t pil = 0; 218188eea45cSKlaus Jensen 218288eea45cSKlaus Jensen status = nvme_dif_check(ns, ctx->data.bounce, ctx->data.iov.size, 21832a132309SKlaus Jensen ctx->mdata.bounce, ctx->mdata.iov.size, prinfo, 21840ca5c3ccSKlaus Jensen slba, apptag, appmask, &reftag); 218588eea45cSKlaus Jensen if (status) { 218688eea45cSKlaus Jensen req->status = status; 218788eea45cSKlaus Jensen goto out; 218888eea45cSKlaus Jensen } 218988eea45cSKlaus Jensen 219088eea45cSKlaus Jensen /* 219188eea45cSKlaus Jensen * When formatted with protection information, do not compare the DIF 219288eea45cSKlaus Jensen * tuple. 219388eea45cSKlaus Jensen */ 219488eea45cSKlaus Jensen if (!(ns->id_ns.dps & NVME_ID_NS_DPS_FIRST_EIGHT)) { 2195ac0b34c5SKlaus Jensen pil = ns->lbaf.ms - nvme_pi_tuple_size(ns); 219688eea45cSKlaus Jensen } 219788eea45cSKlaus Jensen 219888eea45cSKlaus Jensen for (bufp = buf; mbufp < end; bufp += ns->lbaf.ms, mbufp += ns->lbaf.ms) { 219988eea45cSKlaus Jensen if (memcmp(bufp + pil, mbufp + pil, ns->lbaf.ms - pil)) { 220088eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 220188eea45cSKlaus Jensen goto out; 220288eea45cSKlaus Jensen } 220388eea45cSKlaus Jensen } 220488eea45cSKlaus Jensen 220588eea45cSKlaus Jensen goto out; 220688eea45cSKlaus Jensen } 220788eea45cSKlaus Jensen 220888eea45cSKlaus Jensen if (memcmp(buf, ctx->mdata.bounce, ctx->mdata.iov.size)) { 220988eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 221088eea45cSKlaus Jensen goto out; 221188eea45cSKlaus Jensen } 221288eea45cSKlaus Jensen 221388eea45cSKlaus Jensen block_acct_done(stats, acct); 221488eea45cSKlaus Jensen 221588eea45cSKlaus Jensen out: 221688eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 221788eea45cSKlaus Jensen g_free(ctx->data.bounce); 221888eea45cSKlaus Jensen 221988eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->mdata.iov); 222088eea45cSKlaus Jensen g_free(ctx->mdata.bounce); 222188eea45cSKlaus Jensen 222288eea45cSKlaus Jensen g_free(ctx); 222388eea45cSKlaus Jensen 222488eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 222588eea45cSKlaus Jensen } 222688eea45cSKlaus Jensen 222788eea45cSKlaus Jensen static void nvme_compare_data_cb(void *opaque, int ret) 222888eea45cSKlaus Jensen { 222988eea45cSKlaus Jensen NvmeRequest *req = opaque; 223088eea45cSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 223188eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 223288eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 223388eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 223488eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 223588eea45cSKlaus Jensen 223688eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = req->opaque; 223788eea45cSKlaus Jensen g_autofree uint8_t *buf = NULL; 223888eea45cSKlaus Jensen uint16_t status; 223988eea45cSKlaus Jensen 224088eea45cSKlaus Jensen trace_pci_nvme_compare_data_cb(nvme_cid(req)); 224188eea45cSKlaus Jensen 224288eea45cSKlaus Jensen if (ret) { 224388eea45cSKlaus Jensen block_acct_failed(stats, acct); 224488eea45cSKlaus Jensen nvme_aio_err(req, ret); 224588eea45cSKlaus Jensen goto out; 224688eea45cSKlaus Jensen } 224788eea45cSKlaus Jensen 224888eea45cSKlaus Jensen buf = g_malloc(ctx->data.iov.size); 224988eea45cSKlaus Jensen 225088eea45cSKlaus Jensen status = nvme_bounce_data(n, buf, ctx->data.iov.size, 225188eea45cSKlaus Jensen NVME_TX_DIRECTION_TO_DEVICE, req); 225288eea45cSKlaus Jensen if (status) { 225388eea45cSKlaus Jensen req->status = status; 225488eea45cSKlaus Jensen goto out; 225588eea45cSKlaus Jensen } 225688eea45cSKlaus Jensen 225788eea45cSKlaus Jensen if (memcmp(buf, ctx->data.bounce, ctx->data.iov.size)) { 225888eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 225988eea45cSKlaus Jensen goto out; 226088eea45cSKlaus Jensen } 226188eea45cSKlaus Jensen 226288eea45cSKlaus Jensen if (ns->lbaf.ms) { 226388eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 226488eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 226588eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 226688eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 226788eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 226888eea45cSKlaus Jensen 226988eea45cSKlaus Jensen ctx->mdata.bounce = g_malloc(mlen); 227088eea45cSKlaus Jensen 227188eea45cSKlaus Jensen qemu_iovec_init(&ctx->mdata.iov, 1); 227288eea45cSKlaus Jensen qemu_iovec_add(&ctx->mdata.iov, ctx->mdata.bounce, mlen); 227388eea45cSKlaus Jensen 227488eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->mdata.iov, 0, 227588eea45cSKlaus Jensen nvme_compare_mdata_cb, req); 227688eea45cSKlaus Jensen return; 227788eea45cSKlaus Jensen } 227888eea45cSKlaus Jensen 227988eea45cSKlaus Jensen block_acct_done(stats, acct); 228088eea45cSKlaus Jensen 228188eea45cSKlaus Jensen out: 228288eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 228388eea45cSKlaus Jensen g_free(ctx->data.bounce); 228488eea45cSKlaus Jensen g_free(ctx); 228588eea45cSKlaus Jensen 228688eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 228788eea45cSKlaus Jensen } 228888eea45cSKlaus Jensen 2289d7d1474fSKlaus Jensen typedef struct NvmeDSMAIOCB { 2290d7d1474fSKlaus Jensen BlockAIOCB common; 2291d7d1474fSKlaus Jensen BlockAIOCB *aiocb; 2292d7d1474fSKlaus Jensen NvmeRequest *req; 2293d7d1474fSKlaus Jensen QEMUBH *bh; 2294d7d1474fSKlaus Jensen int ret; 2295d7d1474fSKlaus Jensen 2296d7d1474fSKlaus Jensen NvmeDsmRange *range; 2297d7d1474fSKlaus Jensen unsigned int nr; 2298d7d1474fSKlaus Jensen unsigned int idx; 2299d7d1474fSKlaus Jensen } NvmeDSMAIOCB; 2300d7d1474fSKlaus Jensen 2301d7d1474fSKlaus Jensen static void nvme_dsm_cancel(BlockAIOCB *aiocb) 2302d7d1474fSKlaus Jensen { 2303d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = container_of(aiocb, NvmeDSMAIOCB, common); 2304d7d1474fSKlaus Jensen 2305d7d1474fSKlaus Jensen /* break nvme_dsm_cb loop */ 2306d7d1474fSKlaus Jensen iocb->idx = iocb->nr; 2307d7d1474fSKlaus Jensen iocb->ret = -ECANCELED; 2308d7d1474fSKlaus Jensen 2309d7d1474fSKlaus Jensen if (iocb->aiocb) { 2310d7d1474fSKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 2311d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2312d7d1474fSKlaus Jensen } else { 2313d7d1474fSKlaus Jensen /* 2314d7d1474fSKlaus Jensen * We only reach this if nvme_dsm_cancel() has already been called or 2315d7d1474fSKlaus Jensen * the command ran to completion and nvme_dsm_bh is scheduled to run. 2316d7d1474fSKlaus Jensen */ 2317d7d1474fSKlaus Jensen assert(iocb->idx == iocb->nr); 2318d7d1474fSKlaus Jensen } 2319d7d1474fSKlaus Jensen } 2320d7d1474fSKlaus Jensen 2321d7d1474fSKlaus Jensen static const AIOCBInfo nvme_dsm_aiocb_info = { 2322d7d1474fSKlaus Jensen .aiocb_size = sizeof(NvmeDSMAIOCB), 2323d7d1474fSKlaus Jensen .cancel_async = nvme_dsm_cancel, 2324d7d1474fSKlaus Jensen }; 2325d7d1474fSKlaus Jensen 2326d7d1474fSKlaus Jensen static void nvme_dsm_bh(void *opaque) 2327d7d1474fSKlaus Jensen { 2328d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2329d7d1474fSKlaus Jensen 2330d7d1474fSKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 2331d7d1474fSKlaus Jensen 2332d7d1474fSKlaus Jensen qemu_bh_delete(iocb->bh); 2333d7d1474fSKlaus Jensen iocb->bh = NULL; 2334d7d1474fSKlaus Jensen qemu_aio_unref(iocb); 2335d7d1474fSKlaus Jensen } 2336d7d1474fSKlaus Jensen 2337d7d1474fSKlaus Jensen static void nvme_dsm_cb(void *opaque, int ret); 2338d7d1474fSKlaus Jensen 2339d7d1474fSKlaus Jensen static void nvme_dsm_md_cb(void *opaque, int ret) 2340d7d1474fSKlaus Jensen { 2341d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2342d7d1474fSKlaus Jensen NvmeRequest *req = iocb->req; 2343d7d1474fSKlaus Jensen NvmeNamespace *ns = req->ns; 2344d7d1474fSKlaus Jensen NvmeDsmRange *range; 2345d7d1474fSKlaus Jensen uint64_t slba; 2346d7d1474fSKlaus Jensen uint32_t nlb; 2347d7d1474fSKlaus Jensen 2348d7d1474fSKlaus Jensen if (ret < 0) { 2349d7d1474fSKlaus Jensen iocb->ret = ret; 2350d7d1474fSKlaus Jensen goto done; 2351d7d1474fSKlaus Jensen } 2352d7d1474fSKlaus Jensen 2353d7d1474fSKlaus Jensen if (!ns->lbaf.ms) { 2354d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 2355d7d1474fSKlaus Jensen return; 2356d7d1474fSKlaus Jensen } 2357d7d1474fSKlaus Jensen 2358d7d1474fSKlaus Jensen range = &iocb->range[iocb->idx - 1]; 2359d7d1474fSKlaus Jensen slba = le64_to_cpu(range->slba); 2360d7d1474fSKlaus Jensen nlb = le32_to_cpu(range->nlb); 2361d7d1474fSKlaus Jensen 2362d7d1474fSKlaus Jensen /* 2363d7d1474fSKlaus Jensen * Check that all block were discarded (zeroed); otherwise we do not zero 2364d7d1474fSKlaus Jensen * the metadata. 2365d7d1474fSKlaus Jensen */ 2366d7d1474fSKlaus Jensen 2367d7d1474fSKlaus Jensen ret = nvme_block_status_all(ns, slba, nlb, BDRV_BLOCK_ZERO); 2368d7d1474fSKlaus Jensen if (ret) { 2369d7d1474fSKlaus Jensen if (ret < 0) { 2370d7d1474fSKlaus Jensen iocb->ret = ret; 2371d7d1474fSKlaus Jensen goto done; 2372d7d1474fSKlaus Jensen } 2373d7d1474fSKlaus Jensen 2374d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 237551c45326SDmitry Tikhov return; 2376d7d1474fSKlaus Jensen } 2377d7d1474fSKlaus Jensen 2378d7d1474fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, nvme_moff(ns, slba), 2379d7d1474fSKlaus Jensen nvme_m2b(ns, nlb), BDRV_REQ_MAY_UNMAP, 2380d7d1474fSKlaus Jensen nvme_dsm_cb, iocb); 2381d7d1474fSKlaus Jensen return; 2382d7d1474fSKlaus Jensen 2383d7d1474fSKlaus Jensen done: 2384d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2385d7d1474fSKlaus Jensen qemu_bh_schedule(iocb->bh); 2386d7d1474fSKlaus Jensen } 2387d7d1474fSKlaus Jensen 2388d7d1474fSKlaus Jensen static void nvme_dsm_cb(void *opaque, int ret) 2389d7d1474fSKlaus Jensen { 2390d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2391d7d1474fSKlaus Jensen NvmeRequest *req = iocb->req; 2392d7d1474fSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 2393d7d1474fSKlaus Jensen NvmeNamespace *ns = req->ns; 2394d7d1474fSKlaus Jensen NvmeDsmRange *range; 2395d7d1474fSKlaus Jensen uint64_t slba; 2396d7d1474fSKlaus Jensen uint32_t nlb; 2397d7d1474fSKlaus Jensen 2398d7d1474fSKlaus Jensen if (ret < 0) { 2399d7d1474fSKlaus Jensen iocb->ret = ret; 2400d7d1474fSKlaus Jensen goto done; 2401d7d1474fSKlaus Jensen } 2402d7d1474fSKlaus Jensen 2403d7d1474fSKlaus Jensen next: 2404d7d1474fSKlaus Jensen if (iocb->idx == iocb->nr) { 2405d7d1474fSKlaus Jensen goto done; 2406d7d1474fSKlaus Jensen } 2407d7d1474fSKlaus Jensen 2408d7d1474fSKlaus Jensen range = &iocb->range[iocb->idx++]; 2409d7d1474fSKlaus Jensen slba = le64_to_cpu(range->slba); 2410d7d1474fSKlaus Jensen nlb = le32_to_cpu(range->nlb); 2411d7d1474fSKlaus Jensen 2412d7d1474fSKlaus Jensen trace_pci_nvme_dsm_deallocate(slba, nlb); 2413d7d1474fSKlaus Jensen 2414d7d1474fSKlaus Jensen if (nlb > n->dmrsl) { 2415d7d1474fSKlaus Jensen trace_pci_nvme_dsm_single_range_limit_exceeded(nlb, n->dmrsl); 2416d7d1474fSKlaus Jensen goto next; 2417d7d1474fSKlaus Jensen } 2418d7d1474fSKlaus Jensen 2419d7d1474fSKlaus Jensen if (nvme_check_bounds(ns, slba, nlb)) { 2420d7d1474fSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(slba, nlb, 2421d7d1474fSKlaus Jensen ns->id_ns.nsze); 2422d7d1474fSKlaus Jensen goto next; 2423d7d1474fSKlaus Jensen } 2424d7d1474fSKlaus Jensen 2425d7d1474fSKlaus Jensen iocb->aiocb = blk_aio_pdiscard(ns->blkconf.blk, nvme_l2b(ns, slba), 2426d7d1474fSKlaus Jensen nvme_l2b(ns, nlb), 2427d7d1474fSKlaus Jensen nvme_dsm_md_cb, iocb); 2428d7d1474fSKlaus Jensen return; 2429d7d1474fSKlaus Jensen 2430d7d1474fSKlaus Jensen done: 2431d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2432d7d1474fSKlaus Jensen qemu_bh_schedule(iocb->bh); 2433d7d1474fSKlaus Jensen } 2434d7d1474fSKlaus Jensen 243588eea45cSKlaus Jensen static uint16_t nvme_dsm(NvmeCtrl *n, NvmeRequest *req) 243688eea45cSKlaus Jensen { 243788eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 243888eea45cSKlaus Jensen NvmeDsmCmd *dsm = (NvmeDsmCmd *) &req->cmd; 243988eea45cSKlaus Jensen uint32_t attr = le32_to_cpu(dsm->attributes); 244088eea45cSKlaus Jensen uint32_t nr = (le32_to_cpu(dsm->nr) & 0xff) + 1; 244188eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 244288eea45cSKlaus Jensen 2443d7d1474fSKlaus Jensen trace_pci_nvme_dsm(nr, attr); 244488eea45cSKlaus Jensen 244588eea45cSKlaus Jensen if (attr & NVME_DSMGMT_AD) { 2446d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = blk_aio_get(&nvme_dsm_aiocb_info, ns->blkconf.blk, 2447d7d1474fSKlaus Jensen nvme_misc_cb, req); 244888eea45cSKlaus Jensen 2449d7d1474fSKlaus Jensen iocb->req = req; 2450d7d1474fSKlaus Jensen iocb->bh = qemu_bh_new(nvme_dsm_bh, iocb); 2451d7d1474fSKlaus Jensen iocb->ret = 0; 2452d7d1474fSKlaus Jensen iocb->range = g_new(NvmeDsmRange, nr); 2453d7d1474fSKlaus Jensen iocb->nr = nr; 2454d7d1474fSKlaus Jensen iocb->idx = 0; 2455d7d1474fSKlaus Jensen 2456d7d1474fSKlaus Jensen status = nvme_h2c(n, (uint8_t *)iocb->range, sizeof(NvmeDsmRange) * nr, 2457d7d1474fSKlaus Jensen req); 245888eea45cSKlaus Jensen if (status) { 245988eea45cSKlaus Jensen return status; 246088eea45cSKlaus Jensen } 246188eea45cSKlaus Jensen 2462d7d1474fSKlaus Jensen req->aiocb = &iocb->common; 2463d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 246488eea45cSKlaus Jensen 2465d7d1474fSKlaus Jensen return NVME_NO_COMPLETE; 246688eea45cSKlaus Jensen } 246788eea45cSKlaus Jensen 246888eea45cSKlaus Jensen return status; 246988eea45cSKlaus Jensen } 247088eea45cSKlaus Jensen 247188eea45cSKlaus Jensen static uint16_t nvme_verify(NvmeCtrl *n, NvmeRequest *req) 247288eea45cSKlaus Jensen { 247388eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 247488eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 247588eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 247688eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 247788eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 247888eea45cSKlaus Jensen size_t len = nvme_l2b(ns, nlb); 247988eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 24802a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 248188eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 248288eea45cSKlaus Jensen NvmeBounceContext *ctx = NULL; 248388eea45cSKlaus Jensen uint16_t status; 248488eea45cSKlaus Jensen 248588eea45cSKlaus Jensen trace_pci_nvme_verify(nvme_cid(req), nvme_nsid(ns), slba, nlb); 248688eea45cSKlaus Jensen 248788eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 24882a132309SKlaus Jensen status = nvme_check_prinfo(ns, prinfo, slba, reftag); 248988eea45cSKlaus Jensen if (status) { 249088eea45cSKlaus Jensen return status; 249188eea45cSKlaus Jensen } 249288eea45cSKlaus Jensen 24932a132309SKlaus Jensen if (prinfo & NVME_PRINFO_PRACT) { 249488eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 249588eea45cSKlaus Jensen } 249688eea45cSKlaus Jensen } 249788eea45cSKlaus Jensen 249888eea45cSKlaus Jensen if (len > n->page_size << n->params.vsl) { 249988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 250088eea45cSKlaus Jensen } 250188eea45cSKlaus Jensen 250288eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 250388eea45cSKlaus Jensen if (status) { 250488eea45cSKlaus Jensen return status; 250588eea45cSKlaus Jensen } 250688eea45cSKlaus Jensen 250788eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 250888eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 250988eea45cSKlaus Jensen if (status) { 251088eea45cSKlaus Jensen return status; 251188eea45cSKlaus Jensen } 251288eea45cSKlaus Jensen } 251388eea45cSKlaus Jensen 251488eea45cSKlaus Jensen ctx = g_new0(NvmeBounceContext, 1); 251588eea45cSKlaus Jensen ctx->req = req; 251688eea45cSKlaus Jensen 251788eea45cSKlaus Jensen ctx->data.bounce = g_malloc(len); 251888eea45cSKlaus Jensen 251988eea45cSKlaus Jensen qemu_iovec_init(&ctx->data.iov, 1); 252088eea45cSKlaus Jensen qemu_iovec_add(&ctx->data.iov, ctx->data.bounce, len); 252188eea45cSKlaus Jensen 252288eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, ctx->data.iov.size, 252388eea45cSKlaus Jensen BLOCK_ACCT_READ); 252488eea45cSKlaus Jensen 252588eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(ns->blkconf.blk, offset, &ctx->data.iov, 0, 252688eea45cSKlaus Jensen nvme_verify_mdata_in_cb, ctx); 252788eea45cSKlaus Jensen return NVME_NO_COMPLETE; 252888eea45cSKlaus Jensen } 252988eea45cSKlaus Jensen 2530796d2068SKlaus Jensen typedef struct NvmeCopyAIOCB { 2531796d2068SKlaus Jensen BlockAIOCB common; 2532796d2068SKlaus Jensen BlockAIOCB *aiocb; 2533796d2068SKlaus Jensen NvmeRequest *req; 2534796d2068SKlaus Jensen QEMUBH *bh; 2535796d2068SKlaus Jensen int ret; 2536796d2068SKlaus Jensen 253744219b60SNaveen Nagar void *ranges; 253844219b60SNaveen Nagar unsigned int format; 2539796d2068SKlaus Jensen int nr; 2540796d2068SKlaus Jensen int idx; 2541796d2068SKlaus Jensen 2542796d2068SKlaus Jensen uint8_t *bounce; 2543796d2068SKlaus Jensen QEMUIOVector iov; 2544796d2068SKlaus Jensen struct { 2545796d2068SKlaus Jensen BlockAcctCookie read; 2546796d2068SKlaus Jensen BlockAcctCookie write; 2547796d2068SKlaus Jensen } acct; 2548796d2068SKlaus Jensen 254944219b60SNaveen Nagar uint64_t reftag; 2550796d2068SKlaus Jensen uint64_t slba; 2551796d2068SKlaus Jensen 2552796d2068SKlaus Jensen NvmeZone *zone; 2553796d2068SKlaus Jensen } NvmeCopyAIOCB; 2554796d2068SKlaus Jensen 2555796d2068SKlaus Jensen static void nvme_copy_cancel(BlockAIOCB *aiocb) 255688eea45cSKlaus Jensen { 2557796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = container_of(aiocb, NvmeCopyAIOCB, common); 2558796d2068SKlaus Jensen 2559796d2068SKlaus Jensen iocb->ret = -ECANCELED; 2560796d2068SKlaus Jensen 2561796d2068SKlaus Jensen if (iocb->aiocb) { 2562796d2068SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 2563796d2068SKlaus Jensen iocb->aiocb = NULL; 2564796d2068SKlaus Jensen } 2565796d2068SKlaus Jensen } 2566796d2068SKlaus Jensen 2567796d2068SKlaus Jensen static const AIOCBInfo nvme_copy_aiocb_info = { 2568796d2068SKlaus Jensen .aiocb_size = sizeof(NvmeCopyAIOCB), 2569796d2068SKlaus Jensen .cancel_async = nvme_copy_cancel, 2570796d2068SKlaus Jensen }; 2571796d2068SKlaus Jensen 2572796d2068SKlaus Jensen static void nvme_copy_bh(void *opaque) 2573796d2068SKlaus Jensen { 2574796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2575796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 257688eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 2577796d2068SKlaus Jensen BlockAcctStats *stats = blk_get_stats(ns->blkconf.blk); 2578796d2068SKlaus Jensen 2579796d2068SKlaus Jensen if (iocb->idx != iocb->nr) { 2580796d2068SKlaus Jensen req->cqe.result = cpu_to_le32(iocb->idx); 2581796d2068SKlaus Jensen } 2582796d2068SKlaus Jensen 2583796d2068SKlaus Jensen qemu_iovec_destroy(&iocb->iov); 2584796d2068SKlaus Jensen g_free(iocb->bounce); 2585796d2068SKlaus Jensen 2586796d2068SKlaus Jensen qemu_bh_delete(iocb->bh); 2587796d2068SKlaus Jensen iocb->bh = NULL; 2588796d2068SKlaus Jensen 2589796d2068SKlaus Jensen if (iocb->ret < 0) { 2590796d2068SKlaus Jensen block_acct_failed(stats, &iocb->acct.read); 2591796d2068SKlaus Jensen block_acct_failed(stats, &iocb->acct.write); 2592796d2068SKlaus Jensen } else { 2593796d2068SKlaus Jensen block_acct_done(stats, &iocb->acct.read); 2594796d2068SKlaus Jensen block_acct_done(stats, &iocb->acct.write); 2595796d2068SKlaus Jensen } 2596796d2068SKlaus Jensen 2597796d2068SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 2598796d2068SKlaus Jensen qemu_aio_unref(iocb); 2599796d2068SKlaus Jensen } 2600796d2068SKlaus Jensen 2601796d2068SKlaus Jensen static void nvme_copy_cb(void *opaque, int ret); 2602796d2068SKlaus Jensen 260344219b60SNaveen Nagar static void nvme_copy_source_range_parse_format0(void *ranges, int idx, 260444219b60SNaveen Nagar uint64_t *slba, uint32_t *nlb, 260544219b60SNaveen Nagar uint16_t *apptag, 260644219b60SNaveen Nagar uint16_t *appmask, 260744219b60SNaveen Nagar uint64_t *reftag) 260844219b60SNaveen Nagar { 260944219b60SNaveen Nagar NvmeCopySourceRangeFormat0 *_ranges = ranges; 261044219b60SNaveen Nagar 261144219b60SNaveen Nagar if (slba) { 261244219b60SNaveen Nagar *slba = le64_to_cpu(_ranges[idx].slba); 261344219b60SNaveen Nagar } 261444219b60SNaveen Nagar 261544219b60SNaveen Nagar if (nlb) { 261644219b60SNaveen Nagar *nlb = le16_to_cpu(_ranges[idx].nlb) + 1; 261744219b60SNaveen Nagar } 261844219b60SNaveen Nagar 261944219b60SNaveen Nagar if (apptag) { 262044219b60SNaveen Nagar *apptag = le16_to_cpu(_ranges[idx].apptag); 262144219b60SNaveen Nagar } 262244219b60SNaveen Nagar 262344219b60SNaveen Nagar if (appmask) { 262444219b60SNaveen Nagar *appmask = le16_to_cpu(_ranges[idx].appmask); 262544219b60SNaveen Nagar } 262644219b60SNaveen Nagar 262744219b60SNaveen Nagar if (reftag) { 262844219b60SNaveen Nagar *reftag = le32_to_cpu(_ranges[idx].reftag); 262944219b60SNaveen Nagar } 263044219b60SNaveen Nagar } 263144219b60SNaveen Nagar 263244219b60SNaveen Nagar static void nvme_copy_source_range_parse_format1(void *ranges, int idx, 263344219b60SNaveen Nagar uint64_t *slba, uint32_t *nlb, 263444219b60SNaveen Nagar uint16_t *apptag, 263544219b60SNaveen Nagar uint16_t *appmask, 263644219b60SNaveen Nagar uint64_t *reftag) 263744219b60SNaveen Nagar { 263844219b60SNaveen Nagar NvmeCopySourceRangeFormat1 *_ranges = ranges; 263944219b60SNaveen Nagar 264044219b60SNaveen Nagar if (slba) { 264144219b60SNaveen Nagar *slba = le64_to_cpu(_ranges[idx].slba); 264244219b60SNaveen Nagar } 264344219b60SNaveen Nagar 264444219b60SNaveen Nagar if (nlb) { 264544219b60SNaveen Nagar *nlb = le16_to_cpu(_ranges[idx].nlb) + 1; 264644219b60SNaveen Nagar } 264744219b60SNaveen Nagar 264844219b60SNaveen Nagar if (apptag) { 264944219b60SNaveen Nagar *apptag = le16_to_cpu(_ranges[idx].apptag); 265044219b60SNaveen Nagar } 265144219b60SNaveen Nagar 265244219b60SNaveen Nagar if (appmask) { 265344219b60SNaveen Nagar *appmask = le16_to_cpu(_ranges[idx].appmask); 265444219b60SNaveen Nagar } 265544219b60SNaveen Nagar 265644219b60SNaveen Nagar if (reftag) { 265744219b60SNaveen Nagar *reftag = 0; 265844219b60SNaveen Nagar 265944219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[4] << 40; 266044219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[5] << 32; 266144219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[6] << 24; 266244219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[7] << 16; 266344219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[8] << 8; 266444219b60SNaveen Nagar *reftag |= (uint64_t)_ranges[idx].sr[9]; 266544219b60SNaveen Nagar } 266644219b60SNaveen Nagar } 266744219b60SNaveen Nagar 266844219b60SNaveen Nagar static void nvme_copy_source_range_parse(void *ranges, int idx, uint8_t format, 266944219b60SNaveen Nagar uint64_t *slba, uint32_t *nlb, 267044219b60SNaveen Nagar uint16_t *apptag, uint16_t *appmask, 267144219b60SNaveen Nagar uint64_t *reftag) 267244219b60SNaveen Nagar { 267344219b60SNaveen Nagar switch (format) { 267444219b60SNaveen Nagar case NVME_COPY_FORMAT_0: 267544219b60SNaveen Nagar nvme_copy_source_range_parse_format0(ranges, idx, slba, nlb, apptag, 267644219b60SNaveen Nagar appmask, reftag); 267744219b60SNaveen Nagar break; 267844219b60SNaveen Nagar 267944219b60SNaveen Nagar case NVME_COPY_FORMAT_1: 268044219b60SNaveen Nagar nvme_copy_source_range_parse_format1(ranges, idx, slba, nlb, apptag, 268144219b60SNaveen Nagar appmask, reftag); 268244219b60SNaveen Nagar break; 268344219b60SNaveen Nagar 268444219b60SNaveen Nagar default: 268544219b60SNaveen Nagar abort(); 268644219b60SNaveen Nagar } 268744219b60SNaveen Nagar } 268844219b60SNaveen Nagar 2689796d2068SKlaus Jensen static void nvme_copy_out_completed_cb(void *opaque, int ret) 2690796d2068SKlaus Jensen { 2691796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2692796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2693796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 269444219b60SNaveen Nagar uint32_t nlb; 269544219b60SNaveen Nagar 269644219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, NULL, 269744219b60SNaveen Nagar &nlb, NULL, NULL, NULL); 2698796d2068SKlaus Jensen 2699796d2068SKlaus Jensen if (ret < 0) { 2700796d2068SKlaus Jensen iocb->ret = ret; 2701796d2068SKlaus Jensen goto out; 2702796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2703796d2068SKlaus Jensen goto out; 2704796d2068SKlaus Jensen } 2705796d2068SKlaus Jensen 2706796d2068SKlaus Jensen if (ns->params.zoned) { 2707796d2068SKlaus Jensen nvme_advance_zone_wp(ns, iocb->zone, nlb); 2708796d2068SKlaus Jensen } 2709796d2068SKlaus Jensen 2710796d2068SKlaus Jensen iocb->idx++; 2711796d2068SKlaus Jensen iocb->slba += nlb; 2712796d2068SKlaus Jensen out: 2713796d2068SKlaus Jensen nvme_copy_cb(iocb, iocb->ret); 2714796d2068SKlaus Jensen } 2715796d2068SKlaus Jensen 2716796d2068SKlaus Jensen static void nvme_copy_out_cb(void *opaque, int ret) 2717796d2068SKlaus Jensen { 2718796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2719796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2720796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2721796d2068SKlaus Jensen uint32_t nlb; 2722796d2068SKlaus Jensen size_t mlen; 2723796d2068SKlaus Jensen uint8_t *mbounce; 2724796d2068SKlaus Jensen 2725796d2068SKlaus Jensen if (ret < 0) { 2726796d2068SKlaus Jensen iocb->ret = ret; 2727796d2068SKlaus Jensen goto out; 2728796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2729796d2068SKlaus Jensen goto out; 2730796d2068SKlaus Jensen } 2731796d2068SKlaus Jensen 2732796d2068SKlaus Jensen if (!ns->lbaf.ms) { 2733796d2068SKlaus Jensen nvme_copy_out_completed_cb(iocb, 0); 2734796d2068SKlaus Jensen return; 2735796d2068SKlaus Jensen } 2736796d2068SKlaus Jensen 273744219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, NULL, 273844219b60SNaveen Nagar &nlb, NULL, NULL, NULL); 2739796d2068SKlaus Jensen 2740796d2068SKlaus Jensen mlen = nvme_m2b(ns, nlb); 2741796d2068SKlaus Jensen mbounce = iocb->bounce + nvme_l2b(ns, nlb); 2742796d2068SKlaus Jensen 2743796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2744796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, mbounce, mlen); 2745796d2068SKlaus Jensen 2746796d2068SKlaus Jensen iocb->aiocb = blk_aio_pwritev(ns->blkconf.blk, nvme_moff(ns, iocb->slba), 2747796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_out_completed_cb, 2748796d2068SKlaus Jensen iocb); 2749796d2068SKlaus Jensen 2750796d2068SKlaus Jensen return; 2751796d2068SKlaus Jensen 2752796d2068SKlaus Jensen out: 2753796d2068SKlaus Jensen nvme_copy_cb(iocb, ret); 2754796d2068SKlaus Jensen } 2755796d2068SKlaus Jensen 2756796d2068SKlaus Jensen static void nvme_copy_in_completed_cb(void *opaque, int ret) 2757796d2068SKlaus Jensen { 2758796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2759796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2760796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2761796d2068SKlaus Jensen uint32_t nlb; 276244219b60SNaveen Nagar uint64_t slba; 276344219b60SNaveen Nagar uint16_t apptag, appmask; 276444219b60SNaveen Nagar uint64_t reftag; 2765796d2068SKlaus Jensen size_t len; 2766796d2068SKlaus Jensen uint16_t status; 2767796d2068SKlaus Jensen 2768796d2068SKlaus Jensen if (ret < 0) { 2769796d2068SKlaus Jensen iocb->ret = ret; 2770796d2068SKlaus Jensen goto out; 2771796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2772796d2068SKlaus Jensen goto out; 2773796d2068SKlaus Jensen } 2774796d2068SKlaus Jensen 277544219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, &slba, 277644219b60SNaveen Nagar &nlb, &apptag, &appmask, &reftag); 2777796d2068SKlaus Jensen len = nvme_l2b(ns, nlb); 2778796d2068SKlaus Jensen 2779796d2068SKlaus Jensen trace_pci_nvme_copy_out(iocb->slba, nlb); 2780796d2068SKlaus Jensen 2781796d2068SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 278288eea45cSKlaus Jensen NvmeCopyCmd *copy = (NvmeCopyCmd *)&req->cmd; 278388eea45cSKlaus Jensen 2784796d2068SKlaus Jensen uint16_t prinfor = ((copy->control[0] >> 4) & 0xf); 2785796d2068SKlaus Jensen uint16_t prinfow = ((copy->control[2] >> 2) & 0xf); 278688eea45cSKlaus Jensen 2787796d2068SKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 2788796d2068SKlaus Jensen uint8_t *mbounce = iocb->bounce + nvme_l2b(ns, nlb); 2789796d2068SKlaus Jensen 27902e8f952aSDmitry Tikhov status = nvme_dif_mangle_mdata(ns, mbounce, mlen, slba); 27912e8f952aSDmitry Tikhov if (status) { 27922e8f952aSDmitry Tikhov goto invalid; 27932e8f952aSDmitry Tikhov } 2794796d2068SKlaus Jensen status = nvme_dif_check(ns, iocb->bounce, len, mbounce, mlen, prinfor, 2795796d2068SKlaus Jensen slba, apptag, appmask, &reftag); 2796796d2068SKlaus Jensen if (status) { 2797796d2068SKlaus Jensen goto invalid; 2798796d2068SKlaus Jensen } 2799796d2068SKlaus Jensen 2800796d2068SKlaus Jensen apptag = le16_to_cpu(copy->apptag); 2801796d2068SKlaus Jensen appmask = le16_to_cpu(copy->appmask); 2802796d2068SKlaus Jensen 2803796d2068SKlaus Jensen if (prinfow & NVME_PRINFO_PRACT) { 2804796d2068SKlaus Jensen status = nvme_check_prinfo(ns, prinfow, iocb->slba, iocb->reftag); 2805796d2068SKlaus Jensen if (status) { 2806796d2068SKlaus Jensen goto invalid; 2807796d2068SKlaus Jensen } 2808796d2068SKlaus Jensen 2809796d2068SKlaus Jensen nvme_dif_pract_generate_dif(ns, iocb->bounce, len, mbounce, mlen, 2810796d2068SKlaus Jensen apptag, &iocb->reftag); 2811796d2068SKlaus Jensen } else { 2812796d2068SKlaus Jensen status = nvme_dif_check(ns, iocb->bounce, len, mbounce, mlen, 2813796d2068SKlaus Jensen prinfow, iocb->slba, apptag, appmask, 2814796d2068SKlaus Jensen &iocb->reftag); 2815796d2068SKlaus Jensen if (status) { 2816796d2068SKlaus Jensen goto invalid; 2817796d2068SKlaus Jensen } 2818796d2068SKlaus Jensen } 2819796d2068SKlaus Jensen } 2820796d2068SKlaus Jensen 2821796d2068SKlaus Jensen status = nvme_check_bounds(ns, iocb->slba, nlb); 2822796d2068SKlaus Jensen if (status) { 2823796d2068SKlaus Jensen goto invalid; 2824796d2068SKlaus Jensen } 2825796d2068SKlaus Jensen 2826796d2068SKlaus Jensen if (ns->params.zoned) { 2827796d2068SKlaus Jensen status = nvme_check_zone_write(ns, iocb->zone, iocb->slba, nlb); 2828796d2068SKlaus Jensen if (status) { 2829796d2068SKlaus Jensen goto invalid; 2830796d2068SKlaus Jensen } 2831796d2068SKlaus Jensen 2832e321b4cdSKlaus Jensen if (!(iocb->zone->d.za & NVME_ZA_ZRWA_VALID)) { 2833796d2068SKlaus Jensen iocb->zone->w_ptr += nlb; 2834796d2068SKlaus Jensen } 2835e321b4cdSKlaus Jensen } 2836796d2068SKlaus Jensen 2837796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2838796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce, len); 2839796d2068SKlaus Jensen 2840796d2068SKlaus Jensen iocb->aiocb = blk_aio_pwritev(ns->blkconf.blk, nvme_l2b(ns, iocb->slba), 2841796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_out_cb, iocb); 2842796d2068SKlaus Jensen 2843796d2068SKlaus Jensen return; 2844796d2068SKlaus Jensen 2845796d2068SKlaus Jensen invalid: 2846796d2068SKlaus Jensen req->status = status; 2847796d2068SKlaus Jensen iocb->aiocb = NULL; 2848796d2068SKlaus Jensen if (iocb->bh) { 2849796d2068SKlaus Jensen qemu_bh_schedule(iocb->bh); 2850796d2068SKlaus Jensen } 2851796d2068SKlaus Jensen 2852796d2068SKlaus Jensen return; 2853796d2068SKlaus Jensen 2854796d2068SKlaus Jensen out: 2855796d2068SKlaus Jensen nvme_copy_cb(iocb, ret); 2856796d2068SKlaus Jensen } 2857796d2068SKlaus Jensen 2858796d2068SKlaus Jensen static void nvme_copy_in_cb(void *opaque, int ret) 2859796d2068SKlaus Jensen { 2860796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2861796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2862796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2863796d2068SKlaus Jensen uint64_t slba; 2864796d2068SKlaus Jensen uint32_t nlb; 2865796d2068SKlaus Jensen 2866796d2068SKlaus Jensen if (ret < 0) { 2867796d2068SKlaus Jensen iocb->ret = ret; 2868796d2068SKlaus Jensen goto out; 2869796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2870796d2068SKlaus Jensen goto out; 2871796d2068SKlaus Jensen } 2872796d2068SKlaus Jensen 2873796d2068SKlaus Jensen if (!ns->lbaf.ms) { 2874796d2068SKlaus Jensen nvme_copy_in_completed_cb(iocb, 0); 2875796d2068SKlaus Jensen return; 2876796d2068SKlaus Jensen } 2877796d2068SKlaus Jensen 287844219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, &slba, 287944219b60SNaveen Nagar &nlb, NULL, NULL, NULL); 2880796d2068SKlaus Jensen 2881796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2882796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce + nvme_l2b(ns, nlb), 2883796d2068SKlaus Jensen nvme_m2b(ns, nlb)); 2884796d2068SKlaus Jensen 2885796d2068SKlaus Jensen iocb->aiocb = blk_aio_preadv(ns->blkconf.blk, nvme_moff(ns, slba), 2886796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_in_completed_cb, 2887796d2068SKlaus Jensen iocb); 2888796d2068SKlaus Jensen return; 2889796d2068SKlaus Jensen 2890796d2068SKlaus Jensen out: 2891796d2068SKlaus Jensen nvme_copy_cb(iocb, iocb->ret); 2892796d2068SKlaus Jensen } 2893796d2068SKlaus Jensen 2894796d2068SKlaus Jensen static void nvme_copy_cb(void *opaque, int ret) 2895796d2068SKlaus Jensen { 2896796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2897796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2898796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2899796d2068SKlaus Jensen uint64_t slba; 2900796d2068SKlaus Jensen uint32_t nlb; 2901796d2068SKlaus Jensen size_t len; 290288eea45cSKlaus Jensen uint16_t status; 290388eea45cSKlaus Jensen 2904796d2068SKlaus Jensen if (ret < 0) { 2905796d2068SKlaus Jensen iocb->ret = ret; 2906796d2068SKlaus Jensen goto done; 2907796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2908796d2068SKlaus Jensen goto done; 290988eea45cSKlaus Jensen } 291088eea45cSKlaus Jensen 2911796d2068SKlaus Jensen if (iocb->idx == iocb->nr) { 2912796d2068SKlaus Jensen goto done; 291388eea45cSKlaus Jensen } 291488eea45cSKlaus Jensen 291544219b60SNaveen Nagar nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, &slba, 291644219b60SNaveen Nagar &nlb, NULL, NULL, NULL); 2917796d2068SKlaus Jensen len = nvme_l2b(ns, nlb); 291888eea45cSKlaus Jensen 2919796d2068SKlaus Jensen trace_pci_nvme_copy_source_range(slba, nlb); 292088eea45cSKlaus Jensen 2921796d2068SKlaus Jensen if (nlb > le16_to_cpu(ns->id_ns.mssrl)) { 292288eea45cSKlaus Jensen status = NVME_CMD_SIZE_LIMIT | NVME_DNR; 2923796d2068SKlaus Jensen goto invalid; 292488eea45cSKlaus Jensen } 292588eea45cSKlaus Jensen 2926796d2068SKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 292788eea45cSKlaus Jensen if (status) { 2928796d2068SKlaus Jensen goto invalid; 292988eea45cSKlaus Jensen } 293088eea45cSKlaus Jensen 293188eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 2932796d2068SKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 293388eea45cSKlaus Jensen if (status) { 2934796d2068SKlaus Jensen goto invalid; 293588eea45cSKlaus Jensen } 293688eea45cSKlaus Jensen } 293788eea45cSKlaus Jensen 293888eea45cSKlaus Jensen if (ns->params.zoned) { 2939796d2068SKlaus Jensen status = nvme_check_zone_read(ns, slba, nlb); 294088eea45cSKlaus Jensen if (status) { 2941796d2068SKlaus Jensen goto invalid; 294288eea45cSKlaus Jensen } 294388eea45cSKlaus Jensen } 294488eea45cSKlaus Jensen 2945796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2946796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce, len); 2947796d2068SKlaus Jensen 2948796d2068SKlaus Jensen iocb->aiocb = blk_aio_preadv(ns->blkconf.blk, nvme_l2b(ns, slba), 2949796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_in_cb, iocb); 2950796d2068SKlaus Jensen return; 2951796d2068SKlaus Jensen 2952796d2068SKlaus Jensen invalid: 2953796d2068SKlaus Jensen req->status = status; 2954796d2068SKlaus Jensen done: 2955796d2068SKlaus Jensen iocb->aiocb = NULL; 2956796d2068SKlaus Jensen if (iocb->bh) { 2957796d2068SKlaus Jensen qemu_bh_schedule(iocb->bh); 2958796d2068SKlaus Jensen } 295988eea45cSKlaus Jensen } 296088eea45cSKlaus Jensen 2961796d2068SKlaus Jensen 2962796d2068SKlaus Jensen static uint16_t nvme_copy(NvmeCtrl *n, NvmeRequest *req) 2963796d2068SKlaus Jensen { 2964796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2965796d2068SKlaus Jensen NvmeCopyCmd *copy = (NvmeCopyCmd *)&req->cmd; 2966796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = blk_aio_get(&nvme_copy_aiocb_info, ns->blkconf.blk, 2967796d2068SKlaus Jensen nvme_misc_cb, req); 2968796d2068SKlaus Jensen uint16_t nr = copy->nr + 1; 2969796d2068SKlaus Jensen uint8_t format = copy->control[0] & 0xf; 2970796d2068SKlaus Jensen uint16_t prinfor = ((copy->control[0] >> 4) & 0xf); 2971796d2068SKlaus Jensen uint16_t prinfow = ((copy->control[2] >> 2) & 0xf); 297244219b60SNaveen Nagar size_t len = sizeof(NvmeCopySourceRangeFormat0); 2973796d2068SKlaus Jensen 2974796d2068SKlaus Jensen uint16_t status; 2975796d2068SKlaus Jensen 2976796d2068SKlaus Jensen trace_pci_nvme_copy(nvme_cid(req), nvme_nsid(ns), nr, format); 2977796d2068SKlaus Jensen 2978796d2068SKlaus Jensen iocb->ranges = NULL; 2979796d2068SKlaus Jensen iocb->zone = NULL; 2980796d2068SKlaus Jensen 2981796d2068SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) && 2982796d2068SKlaus Jensen ((prinfor & NVME_PRINFO_PRACT) != (prinfow & NVME_PRINFO_PRACT))) { 2983796d2068SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 2984796d2068SKlaus Jensen goto invalid; 2985796d2068SKlaus Jensen } 2986796d2068SKlaus Jensen 2987796d2068SKlaus Jensen if (!(n->id_ctrl.ocfs & (1 << format))) { 2988796d2068SKlaus Jensen trace_pci_nvme_err_copy_invalid_format(format); 2989796d2068SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 2990796d2068SKlaus Jensen goto invalid; 2991796d2068SKlaus Jensen } 2992796d2068SKlaus Jensen 2993796d2068SKlaus Jensen if (nr > ns->id_ns.msrc + 1) { 299488eea45cSKlaus Jensen status = NVME_CMD_SIZE_LIMIT | NVME_DNR; 2995796d2068SKlaus Jensen goto invalid; 299688eea45cSKlaus Jensen } 299788eea45cSKlaus Jensen 299844219b60SNaveen Nagar if (ns->pif && format != 0x1) { 299944219b60SNaveen Nagar status = NVME_INVALID_FORMAT | NVME_DNR; 300044219b60SNaveen Nagar goto invalid; 300144219b60SNaveen Nagar } 3002796d2068SKlaus Jensen 300344219b60SNaveen Nagar if (ns->pif) { 300444219b60SNaveen Nagar len = sizeof(NvmeCopySourceRangeFormat1); 300544219b60SNaveen Nagar } 300644219b60SNaveen Nagar 300744219b60SNaveen Nagar iocb->format = format; 300844219b60SNaveen Nagar iocb->ranges = g_malloc_n(nr, len); 300944219b60SNaveen Nagar status = nvme_h2c(n, (uint8_t *)iocb->ranges, len * nr, req); 3010796d2068SKlaus Jensen if (status) { 3011796d2068SKlaus Jensen goto invalid; 301288eea45cSKlaus Jensen } 301388eea45cSKlaus Jensen 3014796d2068SKlaus Jensen iocb->slba = le64_to_cpu(copy->sdlba); 3015796d2068SKlaus Jensen 3016796d2068SKlaus Jensen if (ns->params.zoned) { 3017796d2068SKlaus Jensen iocb->zone = nvme_get_zone_by_slba(ns, iocb->slba); 3018796d2068SKlaus Jensen if (!iocb->zone) { 3019796d2068SKlaus Jensen status = NVME_LBA_RANGE | NVME_DNR; 3020796d2068SKlaus Jensen goto invalid; 3021796d2068SKlaus Jensen } 3022796d2068SKlaus Jensen 3023796d2068SKlaus Jensen status = nvme_zrm_auto(n, ns, iocb->zone); 3024796d2068SKlaus Jensen if (status) { 3025796d2068SKlaus Jensen goto invalid; 3026796d2068SKlaus Jensen } 3027796d2068SKlaus Jensen } 3028796d2068SKlaus Jensen 3029796d2068SKlaus Jensen iocb->req = req; 3030796d2068SKlaus Jensen iocb->bh = qemu_bh_new(nvme_copy_bh, iocb); 3031796d2068SKlaus Jensen iocb->ret = 0; 3032796d2068SKlaus Jensen iocb->nr = nr; 3033796d2068SKlaus Jensen iocb->idx = 0; 3034796d2068SKlaus Jensen iocb->reftag = le32_to_cpu(copy->reftag); 303544219b60SNaveen Nagar iocb->reftag |= (uint64_t)le32_to_cpu(copy->cdw3) << 32; 3036796d2068SKlaus Jensen iocb->bounce = g_malloc_n(le16_to_cpu(ns->id_ns.mssrl), 3037796d2068SKlaus Jensen ns->lbasz + ns->lbaf.ms); 3038796d2068SKlaus Jensen 3039796d2068SKlaus Jensen qemu_iovec_init(&iocb->iov, 1); 3040796d2068SKlaus Jensen 3041796d2068SKlaus Jensen block_acct_start(blk_get_stats(ns->blkconf.blk), &iocb->acct.read, 0, 304288eea45cSKlaus Jensen BLOCK_ACCT_READ); 3043796d2068SKlaus Jensen block_acct_start(blk_get_stats(ns->blkconf.blk), &iocb->acct.write, 0, 3044796d2068SKlaus Jensen BLOCK_ACCT_WRITE); 304588eea45cSKlaus Jensen 3046796d2068SKlaus Jensen req->aiocb = &iocb->common; 3047796d2068SKlaus Jensen nvme_copy_cb(iocb, 0); 304888eea45cSKlaus Jensen 304988eea45cSKlaus Jensen return NVME_NO_COMPLETE; 305088eea45cSKlaus Jensen 3051796d2068SKlaus Jensen invalid: 3052796d2068SKlaus Jensen g_free(iocb->ranges); 3053796d2068SKlaus Jensen qemu_aio_unref(iocb); 305488eea45cSKlaus Jensen return status; 305588eea45cSKlaus Jensen } 305688eea45cSKlaus Jensen 305788eea45cSKlaus Jensen static uint16_t nvme_compare(NvmeCtrl *n, NvmeRequest *req) 305888eea45cSKlaus Jensen { 305988eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 306088eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 306188eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 306288eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 306388eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 30642a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 306588eea45cSKlaus Jensen size_t data_len = nvme_l2b(ns, nlb); 306688eea45cSKlaus Jensen size_t len = data_len; 306788eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 306888eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = NULL; 306988eea45cSKlaus Jensen uint16_t status; 307088eea45cSKlaus Jensen 307188eea45cSKlaus Jensen trace_pci_nvme_compare(nvme_cid(req), nvme_nsid(ns), slba, nlb); 307288eea45cSKlaus Jensen 30732a132309SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) && (prinfo & NVME_PRINFO_PRACT)) { 307488eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 307588eea45cSKlaus Jensen } 307688eea45cSKlaus Jensen 307788eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 307888eea45cSKlaus Jensen len += nvme_m2b(ns, nlb); 307988eea45cSKlaus Jensen } 308088eea45cSKlaus Jensen 308188eea45cSKlaus Jensen status = nvme_check_mdts(n, len); 308288eea45cSKlaus Jensen if (status) { 308388eea45cSKlaus Jensen return status; 308488eea45cSKlaus Jensen } 308588eea45cSKlaus Jensen 308688eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 308788eea45cSKlaus Jensen if (status) { 308888eea45cSKlaus Jensen return status; 308988eea45cSKlaus Jensen } 309088eea45cSKlaus Jensen 309188eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 309288eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 309388eea45cSKlaus Jensen if (status) { 309488eea45cSKlaus Jensen return status; 309588eea45cSKlaus Jensen } 309688eea45cSKlaus Jensen } 309788eea45cSKlaus Jensen 309888eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 309988eea45cSKlaus Jensen if (status) { 310088eea45cSKlaus Jensen return status; 310188eea45cSKlaus Jensen } 310288eea45cSKlaus Jensen 310388eea45cSKlaus Jensen ctx = g_new(struct nvme_compare_ctx, 1); 310488eea45cSKlaus Jensen ctx->data.bounce = g_malloc(data_len); 310588eea45cSKlaus Jensen 310688eea45cSKlaus Jensen req->opaque = ctx; 310788eea45cSKlaus Jensen 310888eea45cSKlaus Jensen qemu_iovec_init(&ctx->data.iov, 1); 310988eea45cSKlaus Jensen qemu_iovec_add(&ctx->data.iov, ctx->data.bounce, data_len); 311088eea45cSKlaus Jensen 311188eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_len, 311288eea45cSKlaus Jensen BLOCK_ACCT_READ); 311388eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->data.iov, 0, 311488eea45cSKlaus Jensen nvme_compare_data_cb, req); 311588eea45cSKlaus Jensen 311688eea45cSKlaus Jensen return NVME_NO_COMPLETE; 311788eea45cSKlaus Jensen } 311888eea45cSKlaus Jensen 311938f4ac65SKlaus Jensen typedef struct NvmeFlushAIOCB { 312038f4ac65SKlaus Jensen BlockAIOCB common; 312138f4ac65SKlaus Jensen BlockAIOCB *aiocb; 312238f4ac65SKlaus Jensen NvmeRequest *req; 312338f4ac65SKlaus Jensen QEMUBH *bh; 312438f4ac65SKlaus Jensen int ret; 312538f4ac65SKlaus Jensen 312638f4ac65SKlaus Jensen NvmeNamespace *ns; 312738f4ac65SKlaus Jensen uint32_t nsid; 312838f4ac65SKlaus Jensen bool broadcast; 312938f4ac65SKlaus Jensen } NvmeFlushAIOCB; 313038f4ac65SKlaus Jensen 313138f4ac65SKlaus Jensen static void nvme_flush_cancel(BlockAIOCB *acb) 313238f4ac65SKlaus Jensen { 313338f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = container_of(acb, NvmeFlushAIOCB, common); 313438f4ac65SKlaus Jensen 313538f4ac65SKlaus Jensen iocb->ret = -ECANCELED; 313638f4ac65SKlaus Jensen 313738f4ac65SKlaus Jensen if (iocb->aiocb) { 313838f4ac65SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 313938f4ac65SKlaus Jensen } 314038f4ac65SKlaus Jensen } 314138f4ac65SKlaus Jensen 314238f4ac65SKlaus Jensen static const AIOCBInfo nvme_flush_aiocb_info = { 314338f4ac65SKlaus Jensen .aiocb_size = sizeof(NvmeFlushAIOCB), 314438f4ac65SKlaus Jensen .cancel_async = nvme_flush_cancel, 314538f4ac65SKlaus Jensen .get_aio_context = nvme_get_aio_context, 314638f4ac65SKlaus Jensen }; 314738f4ac65SKlaus Jensen 314838f4ac65SKlaus Jensen static void nvme_flush_ns_cb(void *opaque, int ret) 314938f4ac65SKlaus Jensen { 315038f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = opaque; 315138f4ac65SKlaus Jensen NvmeNamespace *ns = iocb->ns; 315238f4ac65SKlaus Jensen 315338f4ac65SKlaus Jensen if (ret < 0) { 315438f4ac65SKlaus Jensen iocb->ret = ret; 315538f4ac65SKlaus Jensen goto out; 315638f4ac65SKlaus Jensen } else if (iocb->ret < 0) { 315738f4ac65SKlaus Jensen goto out; 315838f4ac65SKlaus Jensen } 315938f4ac65SKlaus Jensen 316038f4ac65SKlaus Jensen if (ns) { 316138f4ac65SKlaus Jensen trace_pci_nvme_flush_ns(iocb->nsid); 316238f4ac65SKlaus Jensen 316338f4ac65SKlaus Jensen iocb->ns = NULL; 316438f4ac65SKlaus Jensen iocb->aiocb = blk_aio_flush(ns->blkconf.blk, nvme_flush_ns_cb, iocb); 316538f4ac65SKlaus Jensen return; 316638f4ac65SKlaus Jensen } 316738f4ac65SKlaus Jensen 316838f4ac65SKlaus Jensen out: 316938f4ac65SKlaus Jensen iocb->aiocb = NULL; 317038f4ac65SKlaus Jensen qemu_bh_schedule(iocb->bh); 317138f4ac65SKlaus Jensen } 317238f4ac65SKlaus Jensen 317338f4ac65SKlaus Jensen static void nvme_flush_bh(void *opaque) 317438f4ac65SKlaus Jensen { 317538f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = opaque; 317638f4ac65SKlaus Jensen NvmeRequest *req = iocb->req; 317738f4ac65SKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 317838f4ac65SKlaus Jensen int i; 317938f4ac65SKlaus Jensen 318038f4ac65SKlaus Jensen if (iocb->ret < 0) { 318138f4ac65SKlaus Jensen goto done; 318238f4ac65SKlaus Jensen } 318338f4ac65SKlaus Jensen 318438f4ac65SKlaus Jensen if (iocb->broadcast) { 318538f4ac65SKlaus Jensen for (i = iocb->nsid + 1; i <= NVME_MAX_NAMESPACES; i++) { 318638f4ac65SKlaus Jensen iocb->ns = nvme_ns(n, i); 318738f4ac65SKlaus Jensen if (iocb->ns) { 318838f4ac65SKlaus Jensen iocb->nsid = i; 318938f4ac65SKlaus Jensen break; 319038f4ac65SKlaus Jensen } 319138f4ac65SKlaus Jensen } 319238f4ac65SKlaus Jensen } 319338f4ac65SKlaus Jensen 319438f4ac65SKlaus Jensen if (!iocb->ns) { 319538f4ac65SKlaus Jensen goto done; 319638f4ac65SKlaus Jensen } 319738f4ac65SKlaus Jensen 319838f4ac65SKlaus Jensen nvme_flush_ns_cb(iocb, 0); 319938f4ac65SKlaus Jensen return; 320038f4ac65SKlaus Jensen 320138f4ac65SKlaus Jensen done: 320238f4ac65SKlaus Jensen qemu_bh_delete(iocb->bh); 320338f4ac65SKlaus Jensen iocb->bh = NULL; 320438f4ac65SKlaus Jensen 320538f4ac65SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 320638f4ac65SKlaus Jensen 320738f4ac65SKlaus Jensen qemu_aio_unref(iocb); 320838f4ac65SKlaus Jensen 320938f4ac65SKlaus Jensen return; 321038f4ac65SKlaus Jensen } 321138f4ac65SKlaus Jensen 321288eea45cSKlaus Jensen static uint16_t nvme_flush(NvmeCtrl *n, NvmeRequest *req) 321388eea45cSKlaus Jensen { 321438f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb; 321588eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 321688eea45cSKlaus Jensen uint16_t status; 321788eea45cSKlaus Jensen 321838f4ac65SKlaus Jensen iocb = qemu_aio_get(&nvme_flush_aiocb_info, NULL, nvme_misc_cb, req); 321988eea45cSKlaus Jensen 322038f4ac65SKlaus Jensen iocb->req = req; 322138f4ac65SKlaus Jensen iocb->bh = qemu_bh_new(nvme_flush_bh, iocb); 322238f4ac65SKlaus Jensen iocb->ret = 0; 322338f4ac65SKlaus Jensen iocb->ns = NULL; 322438f4ac65SKlaus Jensen iocb->nsid = 0; 322538f4ac65SKlaus Jensen iocb->broadcast = (nsid == NVME_NSID_BROADCAST); 322638f4ac65SKlaus Jensen 322738f4ac65SKlaus Jensen if (!iocb->broadcast) { 322838f4ac65SKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 322938f4ac65SKlaus Jensen status = NVME_INVALID_NSID | NVME_DNR; 323038f4ac65SKlaus Jensen goto out; 323188eea45cSKlaus Jensen } 323288eea45cSKlaus Jensen 323338f4ac65SKlaus Jensen iocb->ns = nvme_ns(n, nsid); 323438f4ac65SKlaus Jensen if (!iocb->ns) { 323538f4ac65SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 323638f4ac65SKlaus Jensen goto out; 323738f4ac65SKlaus Jensen } 323838f4ac65SKlaus Jensen 323938f4ac65SKlaus Jensen iocb->nsid = nsid; 324038f4ac65SKlaus Jensen } 324138f4ac65SKlaus Jensen 324238f4ac65SKlaus Jensen req->aiocb = &iocb->common; 324338f4ac65SKlaus Jensen qemu_bh_schedule(iocb->bh); 324438f4ac65SKlaus Jensen 324588eea45cSKlaus Jensen return NVME_NO_COMPLETE; 324688eea45cSKlaus Jensen 324738f4ac65SKlaus Jensen out: 324838f4ac65SKlaus Jensen qemu_bh_delete(iocb->bh); 324938f4ac65SKlaus Jensen iocb->bh = NULL; 325038f4ac65SKlaus Jensen qemu_aio_unref(iocb); 325188eea45cSKlaus Jensen 325288eea45cSKlaus Jensen return status; 325388eea45cSKlaus Jensen } 325488eea45cSKlaus Jensen 325588eea45cSKlaus Jensen static uint16_t nvme_read(NvmeCtrl *n, NvmeRequest *req) 325688eea45cSKlaus Jensen { 325788eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 325888eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 325988eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 326088eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 32612a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 326288eea45cSKlaus Jensen uint64_t data_size = nvme_l2b(ns, nlb); 326388eea45cSKlaus Jensen uint64_t mapped_size = data_size; 326488eea45cSKlaus Jensen uint64_t data_offset; 326588eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 326688eea45cSKlaus Jensen uint16_t status; 326788eea45cSKlaus Jensen 326888eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 326988eea45cSKlaus Jensen mapped_size += nvme_m2b(ns, nlb); 327088eea45cSKlaus Jensen 327188eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 32722a132309SKlaus Jensen bool pract = prinfo & NVME_PRINFO_PRACT; 327388eea45cSKlaus Jensen 3274ac0b34c5SKlaus Jensen if (pract && ns->lbaf.ms == nvme_pi_tuple_size(ns)) { 327588eea45cSKlaus Jensen mapped_size = data_size; 327688eea45cSKlaus Jensen } 327788eea45cSKlaus Jensen } 327888eea45cSKlaus Jensen } 327988eea45cSKlaus Jensen 328088eea45cSKlaus Jensen trace_pci_nvme_read(nvme_cid(req), nvme_nsid(ns), nlb, mapped_size, slba); 328188eea45cSKlaus Jensen 328288eea45cSKlaus Jensen status = nvme_check_mdts(n, mapped_size); 328388eea45cSKlaus Jensen if (status) { 328488eea45cSKlaus Jensen goto invalid; 328588eea45cSKlaus Jensen } 328688eea45cSKlaus Jensen 328788eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 328888eea45cSKlaus Jensen if (status) { 328988eea45cSKlaus Jensen goto invalid; 329088eea45cSKlaus Jensen } 329188eea45cSKlaus Jensen 329288eea45cSKlaus Jensen if (ns->params.zoned) { 329388eea45cSKlaus Jensen status = nvme_check_zone_read(ns, slba, nlb); 329488eea45cSKlaus Jensen if (status) { 329588eea45cSKlaus Jensen trace_pci_nvme_err_zone_read_not_ok(slba, nlb, status); 329688eea45cSKlaus Jensen goto invalid; 329788eea45cSKlaus Jensen } 329888eea45cSKlaus Jensen } 329988eea45cSKlaus Jensen 330088eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 330188eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 330288eea45cSKlaus Jensen if (status) { 330388eea45cSKlaus Jensen goto invalid; 330488eea45cSKlaus Jensen } 330588eea45cSKlaus Jensen } 330688eea45cSKlaus Jensen 330788eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 330888eea45cSKlaus Jensen return nvme_dif_rw(n, req); 330988eea45cSKlaus Jensen } 331088eea45cSKlaus Jensen 331188eea45cSKlaus Jensen status = nvme_map_data(n, nlb, req); 331288eea45cSKlaus Jensen if (status) { 331388eea45cSKlaus Jensen goto invalid; 331488eea45cSKlaus Jensen } 331588eea45cSKlaus Jensen 331688eea45cSKlaus Jensen data_offset = nvme_l2b(ns, slba); 331788eea45cSKlaus Jensen 331888eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_size, 331988eea45cSKlaus Jensen BLOCK_ACCT_READ); 332088eea45cSKlaus Jensen nvme_blk_read(blk, data_offset, nvme_rw_cb, req); 332188eea45cSKlaus Jensen return NVME_NO_COMPLETE; 332288eea45cSKlaus Jensen 332388eea45cSKlaus Jensen invalid: 332488eea45cSKlaus Jensen block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_READ); 332588eea45cSKlaus Jensen return status | NVME_DNR; 332688eea45cSKlaus Jensen } 332788eea45cSKlaus Jensen 332888eea45cSKlaus Jensen static uint16_t nvme_do_write(NvmeCtrl *n, NvmeRequest *req, bool append, 332988eea45cSKlaus Jensen bool wrz) 333088eea45cSKlaus Jensen { 333188eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 333288eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 333388eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 333488eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 333588eea45cSKlaus Jensen uint16_t ctrl = le16_to_cpu(rw->control); 33362a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(ctrl); 333788eea45cSKlaus Jensen uint64_t data_size = nvme_l2b(ns, nlb); 333888eea45cSKlaus Jensen uint64_t mapped_size = data_size; 333988eea45cSKlaus Jensen uint64_t data_offset; 334088eea45cSKlaus Jensen NvmeZone *zone; 334188eea45cSKlaus Jensen NvmeZonedResult *res = (NvmeZonedResult *)&req->cqe; 334288eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 334388eea45cSKlaus Jensen uint16_t status; 334488eea45cSKlaus Jensen 334588eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 334688eea45cSKlaus Jensen mapped_size += nvme_m2b(ns, nlb); 334788eea45cSKlaus Jensen 334888eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 33492a132309SKlaus Jensen bool pract = prinfo & NVME_PRINFO_PRACT; 335088eea45cSKlaus Jensen 3351ac0b34c5SKlaus Jensen if (pract && ns->lbaf.ms == nvme_pi_tuple_size(ns)) { 335288eea45cSKlaus Jensen mapped_size -= nvme_m2b(ns, nlb); 335388eea45cSKlaus Jensen } 335488eea45cSKlaus Jensen } 335588eea45cSKlaus Jensen } 335688eea45cSKlaus Jensen 335788eea45cSKlaus Jensen trace_pci_nvme_write(nvme_cid(req), nvme_io_opc_str(rw->opcode), 335888eea45cSKlaus Jensen nvme_nsid(ns), nlb, mapped_size, slba); 335988eea45cSKlaus Jensen 336088eea45cSKlaus Jensen if (!wrz) { 336188eea45cSKlaus Jensen status = nvme_check_mdts(n, mapped_size); 336288eea45cSKlaus Jensen if (status) { 336388eea45cSKlaus Jensen goto invalid; 336488eea45cSKlaus Jensen } 336588eea45cSKlaus Jensen } 336688eea45cSKlaus Jensen 336788eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 336888eea45cSKlaus Jensen if (status) { 336988eea45cSKlaus Jensen goto invalid; 337088eea45cSKlaus Jensen } 337188eea45cSKlaus Jensen 337288eea45cSKlaus Jensen if (ns->params.zoned) { 337388eea45cSKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 3374189a8bf7SKlaus Jensen assert(zone); 337588eea45cSKlaus Jensen 337688eea45cSKlaus Jensen if (append) { 337788eea45cSKlaus Jensen bool piremap = !!(ctrl & NVME_RW_PIREMAP); 337888eea45cSKlaus Jensen 3379e321b4cdSKlaus Jensen if (unlikely(zone->d.za & NVME_ZA_ZRWA_VALID)) { 3380e321b4cdSKlaus Jensen return NVME_INVALID_ZONE_OP | NVME_DNR; 3381e321b4cdSKlaus Jensen } 3382e321b4cdSKlaus Jensen 338388eea45cSKlaus Jensen if (unlikely(slba != zone->d.zslba)) { 338488eea45cSKlaus Jensen trace_pci_nvme_err_append_not_at_start(slba, zone->d.zslba); 338588eea45cSKlaus Jensen status = NVME_INVALID_FIELD; 338688eea45cSKlaus Jensen goto invalid; 338788eea45cSKlaus Jensen } 338888eea45cSKlaus Jensen 338988eea45cSKlaus Jensen if (n->params.zasl && 339088eea45cSKlaus Jensen data_size > (uint64_t)n->page_size << n->params.zasl) { 339188eea45cSKlaus Jensen trace_pci_nvme_err_zasl(data_size); 339288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 339388eea45cSKlaus Jensen } 339488eea45cSKlaus Jensen 339588eea45cSKlaus Jensen slba = zone->w_ptr; 339688eea45cSKlaus Jensen rw->slba = cpu_to_le64(slba); 339788eea45cSKlaus Jensen res->slba = cpu_to_le64(slba); 339888eea45cSKlaus Jensen 339988eea45cSKlaus Jensen switch (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 340088eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_1: 340188eea45cSKlaus Jensen if (!piremap) { 340288eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 340388eea45cSKlaus Jensen } 340488eea45cSKlaus Jensen 340588eea45cSKlaus Jensen /* fallthrough */ 340688eea45cSKlaus Jensen 340788eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_2: 340888eea45cSKlaus Jensen if (piremap) { 340988eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 341088eea45cSKlaus Jensen rw->reftag = cpu_to_le32(reftag + (slba - zone->d.zslba)); 341188eea45cSKlaus Jensen } 341288eea45cSKlaus Jensen 341388eea45cSKlaus Jensen break; 341488eea45cSKlaus Jensen 341588eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_3: 341688eea45cSKlaus Jensen if (piremap) { 341788eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 341888eea45cSKlaus Jensen } 341988eea45cSKlaus Jensen 342088eea45cSKlaus Jensen break; 342188eea45cSKlaus Jensen } 342288eea45cSKlaus Jensen } 342388eea45cSKlaus Jensen 342488eea45cSKlaus Jensen status = nvme_check_zone_write(ns, zone, slba, nlb); 342588eea45cSKlaus Jensen if (status) { 342688eea45cSKlaus Jensen goto invalid; 342788eea45cSKlaus Jensen } 342888eea45cSKlaus Jensen 3429cccc2651SNiklas Cassel status = nvme_zrm_auto(n, ns, zone); 343088eea45cSKlaus Jensen if (status) { 343188eea45cSKlaus Jensen goto invalid; 343288eea45cSKlaus Jensen } 343388eea45cSKlaus Jensen 3434e321b4cdSKlaus Jensen if (!(zone->d.za & NVME_ZA_ZRWA_VALID)) { 343588eea45cSKlaus Jensen zone->w_ptr += nlb; 343688eea45cSKlaus Jensen } 3437e321b4cdSKlaus Jensen } 343888eea45cSKlaus Jensen 343988eea45cSKlaus Jensen data_offset = nvme_l2b(ns, slba); 344088eea45cSKlaus Jensen 344188eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 344288eea45cSKlaus Jensen return nvme_dif_rw(n, req); 344388eea45cSKlaus Jensen } 344488eea45cSKlaus Jensen 344588eea45cSKlaus Jensen if (!wrz) { 344688eea45cSKlaus Jensen status = nvme_map_data(n, nlb, req); 344788eea45cSKlaus Jensen if (status) { 344888eea45cSKlaus Jensen goto invalid; 344988eea45cSKlaus Jensen } 345088eea45cSKlaus Jensen 345188eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_size, 345288eea45cSKlaus Jensen BLOCK_ACCT_WRITE); 345388eea45cSKlaus Jensen nvme_blk_write(blk, data_offset, nvme_rw_cb, req); 345488eea45cSKlaus Jensen } else { 345588eea45cSKlaus Jensen req->aiocb = blk_aio_pwrite_zeroes(blk, data_offset, data_size, 345688eea45cSKlaus Jensen BDRV_REQ_MAY_UNMAP, nvme_rw_cb, 345788eea45cSKlaus Jensen req); 345888eea45cSKlaus Jensen } 345988eea45cSKlaus Jensen 346088eea45cSKlaus Jensen return NVME_NO_COMPLETE; 346188eea45cSKlaus Jensen 346288eea45cSKlaus Jensen invalid: 346388eea45cSKlaus Jensen block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_WRITE); 346488eea45cSKlaus Jensen return status | NVME_DNR; 346588eea45cSKlaus Jensen } 346688eea45cSKlaus Jensen 346788eea45cSKlaus Jensen static inline uint16_t nvme_write(NvmeCtrl *n, NvmeRequest *req) 346888eea45cSKlaus Jensen { 346988eea45cSKlaus Jensen return nvme_do_write(n, req, false, false); 347088eea45cSKlaus Jensen } 347188eea45cSKlaus Jensen 347288eea45cSKlaus Jensen static inline uint16_t nvme_write_zeroes(NvmeCtrl *n, NvmeRequest *req) 347388eea45cSKlaus Jensen { 347488eea45cSKlaus Jensen return nvme_do_write(n, req, false, true); 347588eea45cSKlaus Jensen } 347688eea45cSKlaus Jensen 347788eea45cSKlaus Jensen static inline uint16_t nvme_zone_append(NvmeCtrl *n, NvmeRequest *req) 347888eea45cSKlaus Jensen { 347988eea45cSKlaus Jensen return nvme_do_write(n, req, true, false); 348088eea45cSKlaus Jensen } 348188eea45cSKlaus Jensen 348288eea45cSKlaus Jensen static uint16_t nvme_get_mgmt_zone_slba_idx(NvmeNamespace *ns, NvmeCmd *c, 348388eea45cSKlaus Jensen uint64_t *slba, uint32_t *zone_idx) 348488eea45cSKlaus Jensen { 348588eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(c->cdw10); 348688eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(c->cdw11); 348788eea45cSKlaus Jensen 348888eea45cSKlaus Jensen if (!ns->params.zoned) { 348988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_opc(c->opcode); 349088eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 349188eea45cSKlaus Jensen } 349288eea45cSKlaus Jensen 349388eea45cSKlaus Jensen *slba = ((uint64_t)dw11) << 32 | dw10; 349488eea45cSKlaus Jensen if (unlikely(*slba >= ns->id_ns.nsze)) { 349588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(*slba, 0, ns->id_ns.nsze); 349688eea45cSKlaus Jensen *slba = 0; 349788eea45cSKlaus Jensen return NVME_LBA_RANGE | NVME_DNR; 349888eea45cSKlaus Jensen } 349988eea45cSKlaus Jensen 350088eea45cSKlaus Jensen *zone_idx = nvme_zone_idx(ns, *slba); 350188eea45cSKlaus Jensen assert(*zone_idx < ns->num_zones); 350288eea45cSKlaus Jensen 350388eea45cSKlaus Jensen return NVME_SUCCESS; 350488eea45cSKlaus Jensen } 350588eea45cSKlaus Jensen 350688eea45cSKlaus Jensen typedef uint16_t (*op_handler_t)(NvmeNamespace *, NvmeZone *, NvmeZoneState, 350788eea45cSKlaus Jensen NvmeRequest *); 350888eea45cSKlaus Jensen 350988eea45cSKlaus Jensen enum NvmeZoneProcessingMask { 351088eea45cSKlaus Jensen NVME_PROC_CURRENT_ZONE = 0, 351188eea45cSKlaus Jensen NVME_PROC_OPENED_ZONES = 1 << 0, 351288eea45cSKlaus Jensen NVME_PROC_CLOSED_ZONES = 1 << 1, 351388eea45cSKlaus Jensen NVME_PROC_READ_ONLY_ZONES = 1 << 2, 351488eea45cSKlaus Jensen NVME_PROC_FULL_ZONES = 1 << 3, 351588eea45cSKlaus Jensen }; 351688eea45cSKlaus Jensen 351788eea45cSKlaus Jensen static uint16_t nvme_open_zone(NvmeNamespace *ns, NvmeZone *zone, 351888eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 351988eea45cSKlaus Jensen { 3520e321b4cdSKlaus Jensen NvmeZoneSendCmd *cmd = (NvmeZoneSendCmd *)&req->cmd; 3521e321b4cdSKlaus Jensen int flags = 0; 3522e321b4cdSKlaus Jensen 3523e321b4cdSKlaus Jensen if (cmd->zsflags & NVME_ZSFLAG_ZRWA_ALLOC) { 3524e321b4cdSKlaus Jensen uint16_t ozcs = le16_to_cpu(ns->id_ns_zoned->ozcs); 3525e321b4cdSKlaus Jensen 3526e321b4cdSKlaus Jensen if (!(ozcs & NVME_ID_NS_ZONED_OZCS_ZRWASUP)) { 3527e321b4cdSKlaus Jensen return NVME_INVALID_ZONE_OP | NVME_DNR; 3528e321b4cdSKlaus Jensen } 3529e321b4cdSKlaus Jensen 3530e321b4cdSKlaus Jensen if (zone->w_ptr % ns->zns.zrwafg) { 3531e321b4cdSKlaus Jensen return NVME_NOZRWA | NVME_DNR; 3532e321b4cdSKlaus Jensen } 3533e321b4cdSKlaus Jensen 3534e321b4cdSKlaus Jensen flags = NVME_ZRM_ZRWA; 3535e321b4cdSKlaus Jensen } 3536e321b4cdSKlaus Jensen 3537e321b4cdSKlaus Jensen return nvme_zrm_open_flags(nvme_ctrl(req), ns, zone, flags); 353888eea45cSKlaus Jensen } 353988eea45cSKlaus Jensen 354088eea45cSKlaus Jensen static uint16_t nvme_close_zone(NvmeNamespace *ns, NvmeZone *zone, 354188eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 354288eea45cSKlaus Jensen { 354388eea45cSKlaus Jensen return nvme_zrm_close(ns, zone); 354488eea45cSKlaus Jensen } 354588eea45cSKlaus Jensen 354688eea45cSKlaus Jensen static uint16_t nvme_finish_zone(NvmeNamespace *ns, NvmeZone *zone, 354788eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 354888eea45cSKlaus Jensen { 354988eea45cSKlaus Jensen return nvme_zrm_finish(ns, zone); 355088eea45cSKlaus Jensen } 355188eea45cSKlaus Jensen 355288eea45cSKlaus Jensen static uint16_t nvme_offline_zone(NvmeNamespace *ns, NvmeZone *zone, 355388eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 355488eea45cSKlaus Jensen { 355588eea45cSKlaus Jensen switch (state) { 355688eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 355788eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_OFFLINE); 355888eea45cSKlaus Jensen /* fall through */ 355988eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 356088eea45cSKlaus Jensen return NVME_SUCCESS; 356188eea45cSKlaus Jensen default: 356288eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 356388eea45cSKlaus Jensen } 356488eea45cSKlaus Jensen } 356588eea45cSKlaus Jensen 356688eea45cSKlaus Jensen static uint16_t nvme_set_zd_ext(NvmeNamespace *ns, NvmeZone *zone) 356788eea45cSKlaus Jensen { 356888eea45cSKlaus Jensen uint16_t status; 356988eea45cSKlaus Jensen uint8_t state = nvme_get_zone_state(zone); 357088eea45cSKlaus Jensen 357188eea45cSKlaus Jensen if (state == NVME_ZONE_STATE_EMPTY) { 357288eea45cSKlaus Jensen status = nvme_aor_check(ns, 1, 0); 357388eea45cSKlaus Jensen if (status) { 357488eea45cSKlaus Jensen return status; 357588eea45cSKlaus Jensen } 357688eea45cSKlaus Jensen nvme_aor_inc_active(ns); 357788eea45cSKlaus Jensen zone->d.za |= NVME_ZA_ZD_EXT_VALID; 357888eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_CLOSED); 357988eea45cSKlaus Jensen return NVME_SUCCESS; 358088eea45cSKlaus Jensen } 358188eea45cSKlaus Jensen 358288eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 358388eea45cSKlaus Jensen } 358488eea45cSKlaus Jensen 358588eea45cSKlaus Jensen static uint16_t nvme_bulk_proc_zone(NvmeNamespace *ns, NvmeZone *zone, 358688eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask, 358788eea45cSKlaus Jensen op_handler_t op_hndlr, NvmeRequest *req) 358888eea45cSKlaus Jensen { 358988eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 359088eea45cSKlaus Jensen NvmeZoneState zs = nvme_get_zone_state(zone); 359188eea45cSKlaus Jensen bool proc_zone; 359288eea45cSKlaus Jensen 359388eea45cSKlaus Jensen switch (zs) { 359488eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 359588eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 359688eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_OPENED_ZONES; 359788eea45cSKlaus Jensen break; 359888eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 359988eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_CLOSED_ZONES; 360088eea45cSKlaus Jensen break; 360188eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 360288eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_READ_ONLY_ZONES; 360388eea45cSKlaus Jensen break; 360488eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 360588eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_FULL_ZONES; 360688eea45cSKlaus Jensen break; 360788eea45cSKlaus Jensen default: 360888eea45cSKlaus Jensen proc_zone = false; 360988eea45cSKlaus Jensen } 361088eea45cSKlaus Jensen 361188eea45cSKlaus Jensen if (proc_zone) { 361288eea45cSKlaus Jensen status = op_hndlr(ns, zone, zs, req); 361388eea45cSKlaus Jensen } 361488eea45cSKlaus Jensen 361588eea45cSKlaus Jensen return status; 361688eea45cSKlaus Jensen } 361788eea45cSKlaus Jensen 361888eea45cSKlaus Jensen static uint16_t nvme_do_zone_op(NvmeNamespace *ns, NvmeZone *zone, 361988eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask, 362088eea45cSKlaus Jensen op_handler_t op_hndlr, NvmeRequest *req) 362188eea45cSKlaus Jensen { 362288eea45cSKlaus Jensen NvmeZone *next; 362388eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 362488eea45cSKlaus Jensen int i; 362588eea45cSKlaus Jensen 362688eea45cSKlaus Jensen if (!proc_mask) { 362788eea45cSKlaus Jensen status = op_hndlr(ns, zone, nvme_get_zone_state(zone), req); 362888eea45cSKlaus Jensen } else { 362988eea45cSKlaus Jensen if (proc_mask & NVME_PROC_CLOSED_ZONES) { 363088eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->closed_zones, entry, next) { 363188eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 363288eea45cSKlaus Jensen req); 363388eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 363488eea45cSKlaus Jensen goto out; 363588eea45cSKlaus Jensen } 363688eea45cSKlaus Jensen } 363788eea45cSKlaus Jensen } 363888eea45cSKlaus Jensen if (proc_mask & NVME_PROC_OPENED_ZONES) { 363988eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->imp_open_zones, entry, next) { 364088eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 364188eea45cSKlaus Jensen req); 364288eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 364388eea45cSKlaus Jensen goto out; 364488eea45cSKlaus Jensen } 364588eea45cSKlaus Jensen } 364688eea45cSKlaus Jensen 364788eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->exp_open_zones, entry, next) { 364888eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 364988eea45cSKlaus Jensen req); 365088eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 365188eea45cSKlaus Jensen goto out; 365288eea45cSKlaus Jensen } 365388eea45cSKlaus Jensen } 365488eea45cSKlaus Jensen } 365588eea45cSKlaus Jensen if (proc_mask & NVME_PROC_FULL_ZONES) { 365688eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->full_zones, entry, next) { 365788eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 365888eea45cSKlaus Jensen req); 365988eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 366088eea45cSKlaus Jensen goto out; 366188eea45cSKlaus Jensen } 366288eea45cSKlaus Jensen } 366388eea45cSKlaus Jensen } 366488eea45cSKlaus Jensen 366588eea45cSKlaus Jensen if (proc_mask & NVME_PROC_READ_ONLY_ZONES) { 366688eea45cSKlaus Jensen for (i = 0; i < ns->num_zones; i++, zone++) { 366788eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 366888eea45cSKlaus Jensen req); 366988eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 367088eea45cSKlaus Jensen goto out; 367188eea45cSKlaus Jensen } 367288eea45cSKlaus Jensen } 367388eea45cSKlaus Jensen } 367488eea45cSKlaus Jensen } 367588eea45cSKlaus Jensen 367688eea45cSKlaus Jensen out: 367788eea45cSKlaus Jensen return status; 367888eea45cSKlaus Jensen } 367988eea45cSKlaus Jensen 368063d96e4fSKlaus Jensen typedef struct NvmeZoneResetAIOCB { 368163d96e4fSKlaus Jensen BlockAIOCB common; 368263d96e4fSKlaus Jensen BlockAIOCB *aiocb; 368363d96e4fSKlaus Jensen NvmeRequest *req; 368463d96e4fSKlaus Jensen QEMUBH *bh; 368563d96e4fSKlaus Jensen int ret; 368663d96e4fSKlaus Jensen 368763d96e4fSKlaus Jensen bool all; 368863d96e4fSKlaus Jensen int idx; 368963d96e4fSKlaus Jensen NvmeZone *zone; 369063d96e4fSKlaus Jensen } NvmeZoneResetAIOCB; 369163d96e4fSKlaus Jensen 369263d96e4fSKlaus Jensen static void nvme_zone_reset_cancel(BlockAIOCB *aiocb) 369363d96e4fSKlaus Jensen { 369463d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = container_of(aiocb, NvmeZoneResetAIOCB, common); 369563d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 369663d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 369763d96e4fSKlaus Jensen 369863d96e4fSKlaus Jensen iocb->idx = ns->num_zones; 369963d96e4fSKlaus Jensen 370063d96e4fSKlaus Jensen iocb->ret = -ECANCELED; 370163d96e4fSKlaus Jensen 370263d96e4fSKlaus Jensen if (iocb->aiocb) { 370363d96e4fSKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 370463d96e4fSKlaus Jensen iocb->aiocb = NULL; 370563d96e4fSKlaus Jensen } 370663d96e4fSKlaus Jensen } 370763d96e4fSKlaus Jensen 370863d96e4fSKlaus Jensen static const AIOCBInfo nvme_zone_reset_aiocb_info = { 370963d96e4fSKlaus Jensen .aiocb_size = sizeof(NvmeZoneResetAIOCB), 371063d96e4fSKlaus Jensen .cancel_async = nvme_zone_reset_cancel, 371163d96e4fSKlaus Jensen }; 371263d96e4fSKlaus Jensen 371363d96e4fSKlaus Jensen static void nvme_zone_reset_bh(void *opaque) 371463d96e4fSKlaus Jensen { 371563d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 371663d96e4fSKlaus Jensen 371763d96e4fSKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 371863d96e4fSKlaus Jensen 371963d96e4fSKlaus Jensen qemu_bh_delete(iocb->bh); 372063d96e4fSKlaus Jensen iocb->bh = NULL; 372163d96e4fSKlaus Jensen qemu_aio_unref(iocb); 372263d96e4fSKlaus Jensen } 372363d96e4fSKlaus Jensen 372463d96e4fSKlaus Jensen static void nvme_zone_reset_cb(void *opaque, int ret); 372563d96e4fSKlaus Jensen 372663d96e4fSKlaus Jensen static void nvme_zone_reset_epilogue_cb(void *opaque, int ret) 372763d96e4fSKlaus Jensen { 372863d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 372963d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 373063d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 373163d96e4fSKlaus Jensen int64_t moff; 373263d96e4fSKlaus Jensen int count; 373363d96e4fSKlaus Jensen 373463d96e4fSKlaus Jensen if (ret < 0) { 373563d96e4fSKlaus Jensen nvme_zone_reset_cb(iocb, ret); 373663d96e4fSKlaus Jensen return; 373763d96e4fSKlaus Jensen } 373863d96e4fSKlaus Jensen 373963d96e4fSKlaus Jensen if (!ns->lbaf.ms) { 374063d96e4fSKlaus Jensen nvme_zone_reset_cb(iocb, 0); 374163d96e4fSKlaus Jensen return; 374263d96e4fSKlaus Jensen } 374363d96e4fSKlaus Jensen 374463d96e4fSKlaus Jensen moff = nvme_moff(ns, iocb->zone->d.zslba); 374563d96e4fSKlaus Jensen count = nvme_m2b(ns, ns->zone_size); 374663d96e4fSKlaus Jensen 374763d96e4fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, moff, count, 374863d96e4fSKlaus Jensen BDRV_REQ_MAY_UNMAP, 374963d96e4fSKlaus Jensen nvme_zone_reset_cb, iocb); 375063d96e4fSKlaus Jensen return; 375163d96e4fSKlaus Jensen } 375263d96e4fSKlaus Jensen 375363d96e4fSKlaus Jensen static void nvme_zone_reset_cb(void *opaque, int ret) 375463d96e4fSKlaus Jensen { 375563d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 375663d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 375763d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 375863d96e4fSKlaus Jensen 375963d96e4fSKlaus Jensen if (ret < 0) { 376063d96e4fSKlaus Jensen iocb->ret = ret; 376163d96e4fSKlaus Jensen goto done; 376263d96e4fSKlaus Jensen } 376363d96e4fSKlaus Jensen 376463d96e4fSKlaus Jensen if (iocb->zone) { 376563d96e4fSKlaus Jensen nvme_zrm_reset(ns, iocb->zone); 376663d96e4fSKlaus Jensen 376763d96e4fSKlaus Jensen if (!iocb->all) { 376863d96e4fSKlaus Jensen goto done; 376963d96e4fSKlaus Jensen } 377063d96e4fSKlaus Jensen } 377163d96e4fSKlaus Jensen 377263d96e4fSKlaus Jensen while (iocb->idx < ns->num_zones) { 377363d96e4fSKlaus Jensen NvmeZone *zone = &ns->zone_array[iocb->idx++]; 377463d96e4fSKlaus Jensen 377563d96e4fSKlaus Jensen switch (nvme_get_zone_state(zone)) { 377663d96e4fSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 377763d96e4fSKlaus Jensen if (!iocb->all) { 377863d96e4fSKlaus Jensen goto done; 377963d96e4fSKlaus Jensen } 378063d96e4fSKlaus Jensen 378163d96e4fSKlaus Jensen continue; 378263d96e4fSKlaus Jensen 378363d96e4fSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 378463d96e4fSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 378563d96e4fSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 378663d96e4fSKlaus Jensen case NVME_ZONE_STATE_FULL: 378763d96e4fSKlaus Jensen iocb->zone = zone; 378863d96e4fSKlaus Jensen break; 378963d96e4fSKlaus Jensen 379063d96e4fSKlaus Jensen default: 379163d96e4fSKlaus Jensen continue; 379263d96e4fSKlaus Jensen } 379363d96e4fSKlaus Jensen 379463d96e4fSKlaus Jensen trace_pci_nvme_zns_zone_reset(zone->d.zslba); 379563d96e4fSKlaus Jensen 379663d96e4fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, 379763d96e4fSKlaus Jensen nvme_l2b(ns, zone->d.zslba), 379863d96e4fSKlaus Jensen nvme_l2b(ns, ns->zone_size), 379963d96e4fSKlaus Jensen BDRV_REQ_MAY_UNMAP, 380063d96e4fSKlaus Jensen nvme_zone_reset_epilogue_cb, 380163d96e4fSKlaus Jensen iocb); 380263d96e4fSKlaus Jensen return; 380363d96e4fSKlaus Jensen } 380463d96e4fSKlaus Jensen 380563d96e4fSKlaus Jensen done: 380663d96e4fSKlaus Jensen iocb->aiocb = NULL; 380763d96e4fSKlaus Jensen if (iocb->bh) { 380863d96e4fSKlaus Jensen qemu_bh_schedule(iocb->bh); 380963d96e4fSKlaus Jensen } 381063d96e4fSKlaus Jensen } 381163d96e4fSKlaus Jensen 3812e321b4cdSKlaus Jensen static uint16_t nvme_zone_mgmt_send_zrwa_flush(NvmeCtrl *n, NvmeZone *zone, 3813e321b4cdSKlaus Jensen uint64_t elba, NvmeRequest *req) 3814e321b4cdSKlaus Jensen { 3815e321b4cdSKlaus Jensen NvmeNamespace *ns = req->ns; 3816e321b4cdSKlaus Jensen uint16_t ozcs = le16_to_cpu(ns->id_ns_zoned->ozcs); 3817e321b4cdSKlaus Jensen uint64_t wp = zone->d.wp; 3818e321b4cdSKlaus Jensen uint32_t nlb = elba - wp + 1; 3819e321b4cdSKlaus Jensen uint16_t status; 3820e321b4cdSKlaus Jensen 3821e321b4cdSKlaus Jensen 3822e321b4cdSKlaus Jensen if (!(ozcs & NVME_ID_NS_ZONED_OZCS_ZRWASUP)) { 3823e321b4cdSKlaus Jensen return NVME_INVALID_ZONE_OP | NVME_DNR; 3824e321b4cdSKlaus Jensen } 3825e321b4cdSKlaus Jensen 3826e321b4cdSKlaus Jensen if (!(zone->d.za & NVME_ZA_ZRWA_VALID)) { 3827e321b4cdSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 3828e321b4cdSKlaus Jensen } 3829e321b4cdSKlaus Jensen 3830e321b4cdSKlaus Jensen if (elba < wp || elba > wp + ns->zns.zrwas) { 3831e321b4cdSKlaus Jensen return NVME_ZONE_BOUNDARY_ERROR | NVME_DNR; 3832e321b4cdSKlaus Jensen } 3833e321b4cdSKlaus Jensen 3834e321b4cdSKlaus Jensen if (nlb % ns->zns.zrwafg) { 3835e321b4cdSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 3836e321b4cdSKlaus Jensen } 3837e321b4cdSKlaus Jensen 3838e321b4cdSKlaus Jensen status = nvme_zrm_auto(n, ns, zone); 3839e321b4cdSKlaus Jensen if (status) { 3840e321b4cdSKlaus Jensen return status; 3841e321b4cdSKlaus Jensen } 3842e321b4cdSKlaus Jensen 3843e321b4cdSKlaus Jensen zone->w_ptr += nlb; 3844e321b4cdSKlaus Jensen 3845e321b4cdSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlb); 3846e321b4cdSKlaus Jensen 3847e321b4cdSKlaus Jensen return NVME_SUCCESS; 3848e321b4cdSKlaus Jensen } 3849e321b4cdSKlaus Jensen 385088eea45cSKlaus Jensen static uint16_t nvme_zone_mgmt_send(NvmeCtrl *n, NvmeRequest *req) 385188eea45cSKlaus Jensen { 38526190d92fSKlaus Jensen NvmeZoneSendCmd *cmd = (NvmeZoneSendCmd *)&req->cmd; 385388eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 385488eea45cSKlaus Jensen NvmeZone *zone; 385563d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb; 385688eea45cSKlaus Jensen uint8_t *zd_ext; 385788eea45cSKlaus Jensen uint64_t slba = 0; 385888eea45cSKlaus Jensen uint32_t zone_idx = 0; 385988eea45cSKlaus Jensen uint16_t status; 38606190d92fSKlaus Jensen uint8_t action = cmd->zsa; 386188eea45cSKlaus Jensen bool all; 386288eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask = NVME_PROC_CURRENT_ZONE; 386388eea45cSKlaus Jensen 38646190d92fSKlaus Jensen all = cmd->zsflags & NVME_ZSFLAG_SELECT_ALL; 386588eea45cSKlaus Jensen 386688eea45cSKlaus Jensen req->status = NVME_SUCCESS; 386788eea45cSKlaus Jensen 386888eea45cSKlaus Jensen if (!all) { 38696190d92fSKlaus Jensen status = nvme_get_mgmt_zone_slba_idx(ns, &req->cmd, &slba, &zone_idx); 387088eea45cSKlaus Jensen if (status) { 387188eea45cSKlaus Jensen return status; 387288eea45cSKlaus Jensen } 387388eea45cSKlaus Jensen } 387488eea45cSKlaus Jensen 387588eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 3876e321b4cdSKlaus Jensen if (slba != zone->d.zslba && action != NVME_ZONE_ACTION_ZRWA_FLUSH) { 387788eea45cSKlaus Jensen trace_pci_nvme_err_unaligned_zone_cmd(action, slba, zone->d.zslba); 387888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 387988eea45cSKlaus Jensen } 388088eea45cSKlaus Jensen 388188eea45cSKlaus Jensen switch (action) { 388288eea45cSKlaus Jensen 388388eea45cSKlaus Jensen case NVME_ZONE_ACTION_OPEN: 388488eea45cSKlaus Jensen if (all) { 388588eea45cSKlaus Jensen proc_mask = NVME_PROC_CLOSED_ZONES; 388688eea45cSKlaus Jensen } 388788eea45cSKlaus Jensen trace_pci_nvme_open_zone(slba, zone_idx, all); 388888eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_open_zone, req); 388988eea45cSKlaus Jensen break; 389088eea45cSKlaus Jensen 389188eea45cSKlaus Jensen case NVME_ZONE_ACTION_CLOSE: 389288eea45cSKlaus Jensen if (all) { 389388eea45cSKlaus Jensen proc_mask = NVME_PROC_OPENED_ZONES; 389488eea45cSKlaus Jensen } 389588eea45cSKlaus Jensen trace_pci_nvme_close_zone(slba, zone_idx, all); 389688eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_close_zone, req); 389788eea45cSKlaus Jensen break; 389888eea45cSKlaus Jensen 389988eea45cSKlaus Jensen case NVME_ZONE_ACTION_FINISH: 390088eea45cSKlaus Jensen if (all) { 390188eea45cSKlaus Jensen proc_mask = NVME_PROC_OPENED_ZONES | NVME_PROC_CLOSED_ZONES; 390288eea45cSKlaus Jensen } 390388eea45cSKlaus Jensen trace_pci_nvme_finish_zone(slba, zone_idx, all); 390488eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_finish_zone, req); 390588eea45cSKlaus Jensen break; 390688eea45cSKlaus Jensen 390788eea45cSKlaus Jensen case NVME_ZONE_ACTION_RESET: 390888eea45cSKlaus Jensen trace_pci_nvme_reset_zone(slba, zone_idx, all); 390988eea45cSKlaus Jensen 391063d96e4fSKlaus Jensen iocb = blk_aio_get(&nvme_zone_reset_aiocb_info, ns->blkconf.blk, 391163d96e4fSKlaus Jensen nvme_misc_cb, req); 391288eea45cSKlaus Jensen 391363d96e4fSKlaus Jensen iocb->req = req; 391463d96e4fSKlaus Jensen iocb->bh = qemu_bh_new(nvme_zone_reset_bh, iocb); 391563d96e4fSKlaus Jensen iocb->ret = 0; 391663d96e4fSKlaus Jensen iocb->all = all; 391763d96e4fSKlaus Jensen iocb->idx = zone_idx; 391863d96e4fSKlaus Jensen iocb->zone = NULL; 391988eea45cSKlaus Jensen 392063d96e4fSKlaus Jensen req->aiocb = &iocb->common; 392163d96e4fSKlaus Jensen nvme_zone_reset_cb(iocb, 0); 392288eea45cSKlaus Jensen 392363d96e4fSKlaus Jensen return NVME_NO_COMPLETE; 392488eea45cSKlaus Jensen 392588eea45cSKlaus Jensen case NVME_ZONE_ACTION_OFFLINE: 392688eea45cSKlaus Jensen if (all) { 392788eea45cSKlaus Jensen proc_mask = NVME_PROC_READ_ONLY_ZONES; 392888eea45cSKlaus Jensen } 392988eea45cSKlaus Jensen trace_pci_nvme_offline_zone(slba, zone_idx, all); 393088eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_offline_zone, req); 393188eea45cSKlaus Jensen break; 393288eea45cSKlaus Jensen 393388eea45cSKlaus Jensen case NVME_ZONE_ACTION_SET_ZD_EXT: 393488eea45cSKlaus Jensen trace_pci_nvme_set_descriptor_extension(slba, zone_idx); 393588eea45cSKlaus Jensen if (all || !ns->params.zd_extension_size) { 393688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 393788eea45cSKlaus Jensen } 393888eea45cSKlaus Jensen zd_ext = nvme_get_zd_extension(ns, zone_idx); 393988eea45cSKlaus Jensen status = nvme_h2c(n, zd_ext, ns->params.zd_extension_size, req); 394088eea45cSKlaus Jensen if (status) { 394188eea45cSKlaus Jensen trace_pci_nvme_err_zd_extension_map_error(zone_idx); 394288eea45cSKlaus Jensen return status; 394388eea45cSKlaus Jensen } 394488eea45cSKlaus Jensen 394588eea45cSKlaus Jensen status = nvme_set_zd_ext(ns, zone); 394688eea45cSKlaus Jensen if (status == NVME_SUCCESS) { 394788eea45cSKlaus Jensen trace_pci_nvme_zd_extension_set(zone_idx); 394888eea45cSKlaus Jensen return status; 394988eea45cSKlaus Jensen } 395088eea45cSKlaus Jensen break; 395188eea45cSKlaus Jensen 3952e321b4cdSKlaus Jensen case NVME_ZONE_ACTION_ZRWA_FLUSH: 3953e321b4cdSKlaus Jensen if (all) { 3954e321b4cdSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 3955e321b4cdSKlaus Jensen } 3956e321b4cdSKlaus Jensen 3957e321b4cdSKlaus Jensen return nvme_zone_mgmt_send_zrwa_flush(n, zone, slba, req); 3958e321b4cdSKlaus Jensen 395988eea45cSKlaus Jensen default: 396088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_mgmt_action(action); 396188eea45cSKlaus Jensen status = NVME_INVALID_FIELD; 396288eea45cSKlaus Jensen } 396388eea45cSKlaus Jensen 396488eea45cSKlaus Jensen if (status == NVME_ZONE_INVAL_TRANSITION) { 396588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_zone_state_transition(action, slba, 396688eea45cSKlaus Jensen zone->d.za); 396788eea45cSKlaus Jensen } 396888eea45cSKlaus Jensen if (status) { 396988eea45cSKlaus Jensen status |= NVME_DNR; 397088eea45cSKlaus Jensen } 397188eea45cSKlaus Jensen 397288eea45cSKlaus Jensen return status; 397388eea45cSKlaus Jensen } 397488eea45cSKlaus Jensen 397588eea45cSKlaus Jensen static bool nvme_zone_matches_filter(uint32_t zafs, NvmeZone *zl) 397688eea45cSKlaus Jensen { 397788eea45cSKlaus Jensen NvmeZoneState zs = nvme_get_zone_state(zl); 397888eea45cSKlaus Jensen 397988eea45cSKlaus Jensen switch (zafs) { 398088eea45cSKlaus Jensen case NVME_ZONE_REPORT_ALL: 398188eea45cSKlaus Jensen return true; 398288eea45cSKlaus Jensen case NVME_ZONE_REPORT_EMPTY: 398388eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_EMPTY; 398488eea45cSKlaus Jensen case NVME_ZONE_REPORT_IMPLICITLY_OPEN: 398588eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_IMPLICITLY_OPEN; 398688eea45cSKlaus Jensen case NVME_ZONE_REPORT_EXPLICITLY_OPEN: 398788eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_EXPLICITLY_OPEN; 398888eea45cSKlaus Jensen case NVME_ZONE_REPORT_CLOSED: 398988eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_CLOSED; 399088eea45cSKlaus Jensen case NVME_ZONE_REPORT_FULL: 399188eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_FULL; 399288eea45cSKlaus Jensen case NVME_ZONE_REPORT_READ_ONLY: 399388eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_READ_ONLY; 399488eea45cSKlaus Jensen case NVME_ZONE_REPORT_OFFLINE: 399588eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_OFFLINE; 399688eea45cSKlaus Jensen default: 399788eea45cSKlaus Jensen return false; 399888eea45cSKlaus Jensen } 399988eea45cSKlaus Jensen } 400088eea45cSKlaus Jensen 400188eea45cSKlaus Jensen static uint16_t nvme_zone_mgmt_recv(NvmeCtrl *n, NvmeRequest *req) 400288eea45cSKlaus Jensen { 400388eea45cSKlaus Jensen NvmeCmd *cmd = (NvmeCmd *)&req->cmd; 400488eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 400588eea45cSKlaus Jensen /* cdw12 is zero-based number of dwords to return. Convert to bytes */ 400688eea45cSKlaus Jensen uint32_t data_size = (le32_to_cpu(cmd->cdw12) + 1) << 2; 400788eea45cSKlaus Jensen uint32_t dw13 = le32_to_cpu(cmd->cdw13); 400888eea45cSKlaus Jensen uint32_t zone_idx, zra, zrasf, partial; 400988eea45cSKlaus Jensen uint64_t max_zones, nr_zones = 0; 401088eea45cSKlaus Jensen uint16_t status; 401188eea45cSKlaus Jensen uint64_t slba; 401288eea45cSKlaus Jensen NvmeZoneDescr *z; 401388eea45cSKlaus Jensen NvmeZone *zone; 401488eea45cSKlaus Jensen NvmeZoneReportHeader *header; 401588eea45cSKlaus Jensen void *buf, *buf_p; 401688eea45cSKlaus Jensen size_t zone_entry_sz; 401788eea45cSKlaus Jensen int i; 401888eea45cSKlaus Jensen 401988eea45cSKlaus Jensen req->status = NVME_SUCCESS; 402088eea45cSKlaus Jensen 402188eea45cSKlaus Jensen status = nvme_get_mgmt_zone_slba_idx(ns, cmd, &slba, &zone_idx); 402288eea45cSKlaus Jensen if (status) { 402388eea45cSKlaus Jensen return status; 402488eea45cSKlaus Jensen } 402588eea45cSKlaus Jensen 402688eea45cSKlaus Jensen zra = dw13 & 0xff; 402788eea45cSKlaus Jensen if (zra != NVME_ZONE_REPORT && zra != NVME_ZONE_REPORT_EXTENDED) { 402888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 402988eea45cSKlaus Jensen } 403088eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED && !ns->params.zd_extension_size) { 403188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 403288eea45cSKlaus Jensen } 403388eea45cSKlaus Jensen 403488eea45cSKlaus Jensen zrasf = (dw13 >> 8) & 0xff; 403588eea45cSKlaus Jensen if (zrasf > NVME_ZONE_REPORT_OFFLINE) { 403688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 403788eea45cSKlaus Jensen } 403888eea45cSKlaus Jensen 403988eea45cSKlaus Jensen if (data_size < sizeof(NvmeZoneReportHeader)) { 404088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 404188eea45cSKlaus Jensen } 404288eea45cSKlaus Jensen 404388eea45cSKlaus Jensen status = nvme_check_mdts(n, data_size); 404488eea45cSKlaus Jensen if (status) { 404588eea45cSKlaus Jensen return status; 404688eea45cSKlaus Jensen } 404788eea45cSKlaus Jensen 404888eea45cSKlaus Jensen partial = (dw13 >> 16) & 0x01; 404988eea45cSKlaus Jensen 405088eea45cSKlaus Jensen zone_entry_sz = sizeof(NvmeZoneDescr); 405188eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED) { 405288eea45cSKlaus Jensen zone_entry_sz += ns->params.zd_extension_size; 405388eea45cSKlaus Jensen } 405488eea45cSKlaus Jensen 405588eea45cSKlaus Jensen max_zones = (data_size - sizeof(NvmeZoneReportHeader)) / zone_entry_sz; 405688eea45cSKlaus Jensen buf = g_malloc0(data_size); 405788eea45cSKlaus Jensen 405888eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 405988eea45cSKlaus Jensen for (i = zone_idx; i < ns->num_zones; i++) { 406088eea45cSKlaus Jensen if (partial && nr_zones >= max_zones) { 406188eea45cSKlaus Jensen break; 406288eea45cSKlaus Jensen } 406388eea45cSKlaus Jensen if (nvme_zone_matches_filter(zrasf, zone++)) { 406488eea45cSKlaus Jensen nr_zones++; 406588eea45cSKlaus Jensen } 406688eea45cSKlaus Jensen } 406788eea45cSKlaus Jensen header = (NvmeZoneReportHeader *)buf; 406888eea45cSKlaus Jensen header->nr_zones = cpu_to_le64(nr_zones); 406988eea45cSKlaus Jensen 407088eea45cSKlaus Jensen buf_p = buf + sizeof(NvmeZoneReportHeader); 407188eea45cSKlaus Jensen for (; zone_idx < ns->num_zones && max_zones > 0; zone_idx++) { 407288eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 407388eea45cSKlaus Jensen if (nvme_zone_matches_filter(zrasf, zone)) { 407488eea45cSKlaus Jensen z = (NvmeZoneDescr *)buf_p; 407588eea45cSKlaus Jensen buf_p += sizeof(NvmeZoneDescr); 407688eea45cSKlaus Jensen 407788eea45cSKlaus Jensen z->zt = zone->d.zt; 407888eea45cSKlaus Jensen z->zs = zone->d.zs; 407988eea45cSKlaus Jensen z->zcap = cpu_to_le64(zone->d.zcap); 408088eea45cSKlaus Jensen z->zslba = cpu_to_le64(zone->d.zslba); 408188eea45cSKlaus Jensen z->za = zone->d.za; 408288eea45cSKlaus Jensen 408388eea45cSKlaus Jensen if (nvme_wp_is_valid(zone)) { 408488eea45cSKlaus Jensen z->wp = cpu_to_le64(zone->d.wp); 408588eea45cSKlaus Jensen } else { 408688eea45cSKlaus Jensen z->wp = cpu_to_le64(~0ULL); 408788eea45cSKlaus Jensen } 408888eea45cSKlaus Jensen 408988eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED) { 409088eea45cSKlaus Jensen if (zone->d.za & NVME_ZA_ZD_EXT_VALID) { 409188eea45cSKlaus Jensen memcpy(buf_p, nvme_get_zd_extension(ns, zone_idx), 409288eea45cSKlaus Jensen ns->params.zd_extension_size); 409388eea45cSKlaus Jensen } 409488eea45cSKlaus Jensen buf_p += ns->params.zd_extension_size; 409588eea45cSKlaus Jensen } 409688eea45cSKlaus Jensen 409788eea45cSKlaus Jensen max_zones--; 409888eea45cSKlaus Jensen } 409988eea45cSKlaus Jensen } 410088eea45cSKlaus Jensen 410188eea45cSKlaus Jensen status = nvme_c2h(n, (uint8_t *)buf, data_size, req); 410288eea45cSKlaus Jensen 410388eea45cSKlaus Jensen g_free(buf); 410488eea45cSKlaus Jensen 410588eea45cSKlaus Jensen return status; 410688eea45cSKlaus Jensen } 410788eea45cSKlaus Jensen 410888eea45cSKlaus Jensen static uint16_t nvme_io_cmd(NvmeCtrl *n, NvmeRequest *req) 410988eea45cSKlaus Jensen { 411088eea45cSKlaus Jensen NvmeNamespace *ns; 411188eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 411288eea45cSKlaus Jensen 411388eea45cSKlaus Jensen trace_pci_nvme_io_cmd(nvme_cid(req), nsid, nvme_sqid(req), 411488eea45cSKlaus Jensen req->cmd.opcode, nvme_io_opc_str(req->cmd.opcode)); 411588eea45cSKlaus Jensen 411688eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 411788eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 411888eea45cSKlaus Jensen } 411988eea45cSKlaus Jensen 412088eea45cSKlaus Jensen /* 412188eea45cSKlaus Jensen * In the base NVM command set, Flush may apply to all namespaces 412288eea45cSKlaus Jensen * (indicated by NSID being set to FFFFFFFFh). But if that feature is used 412388eea45cSKlaus Jensen * along with TP 4056 (Namespace Types), it may be pretty screwed up. 412488eea45cSKlaus Jensen * 412588eea45cSKlaus Jensen * If NSID is indeed set to FFFFFFFFh, we simply cannot associate the 412688eea45cSKlaus Jensen * opcode with a specific command since we cannot determine a unique I/O 412788eea45cSKlaus Jensen * command set. Opcode 0h could have any other meaning than something 412888eea45cSKlaus Jensen * equivalent to flushing and say it DOES have completely different 412988eea45cSKlaus Jensen * semantics in some other command set - does an NSID of FFFFFFFFh then 413088eea45cSKlaus Jensen * mean "for all namespaces, apply whatever command set specific command 413188eea45cSKlaus Jensen * that uses the 0h opcode?" Or does it mean "for all namespaces, apply 413288eea45cSKlaus Jensen * whatever command that uses the 0h opcode if, and only if, it allows NSID 413388eea45cSKlaus Jensen * to be FFFFFFFFh"? 413488eea45cSKlaus Jensen * 413588eea45cSKlaus Jensen * Anyway (and luckily), for now, we do not care about this since the 413688eea45cSKlaus Jensen * device only supports namespace types that includes the NVM Flush command 413788eea45cSKlaus Jensen * (NVM and Zoned), so always do an NVM Flush. 413888eea45cSKlaus Jensen */ 413988eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_FLUSH) { 414088eea45cSKlaus Jensen return nvme_flush(n, req); 414188eea45cSKlaus Jensen } 414288eea45cSKlaus Jensen 414388eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 414488eea45cSKlaus Jensen if (unlikely(!ns)) { 414588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 414688eea45cSKlaus Jensen } 414788eea45cSKlaus Jensen 414888eea45cSKlaus Jensen if (!(ns->iocs[req->cmd.opcode] & NVME_CMD_EFF_CSUPP)) { 414988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_opc(req->cmd.opcode); 415088eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 415188eea45cSKlaus Jensen } 415288eea45cSKlaus Jensen 415388eea45cSKlaus Jensen if (ns->status) { 415488eea45cSKlaus Jensen return ns->status; 415588eea45cSKlaus Jensen } 415688eea45cSKlaus Jensen 4157c53a9a91SPankaj Raghav if (NVME_CMD_FLAGS_FUSE(req->cmd.flags)) { 4158c53a9a91SPankaj Raghav return NVME_INVALID_FIELD; 4159c53a9a91SPankaj Raghav } 4160c53a9a91SPankaj Raghav 416188eea45cSKlaus Jensen req->ns = ns; 416288eea45cSKlaus Jensen 416388eea45cSKlaus Jensen switch (req->cmd.opcode) { 416488eea45cSKlaus Jensen case NVME_CMD_WRITE_ZEROES: 416588eea45cSKlaus Jensen return nvme_write_zeroes(n, req); 416688eea45cSKlaus Jensen case NVME_CMD_ZONE_APPEND: 416788eea45cSKlaus Jensen return nvme_zone_append(n, req); 416888eea45cSKlaus Jensen case NVME_CMD_WRITE: 416988eea45cSKlaus Jensen return nvme_write(n, req); 417088eea45cSKlaus Jensen case NVME_CMD_READ: 417188eea45cSKlaus Jensen return nvme_read(n, req); 417288eea45cSKlaus Jensen case NVME_CMD_COMPARE: 417388eea45cSKlaus Jensen return nvme_compare(n, req); 417488eea45cSKlaus Jensen case NVME_CMD_DSM: 417588eea45cSKlaus Jensen return nvme_dsm(n, req); 417688eea45cSKlaus Jensen case NVME_CMD_VERIFY: 417788eea45cSKlaus Jensen return nvme_verify(n, req); 417888eea45cSKlaus Jensen case NVME_CMD_COPY: 417988eea45cSKlaus Jensen return nvme_copy(n, req); 418088eea45cSKlaus Jensen case NVME_CMD_ZONE_MGMT_SEND: 418188eea45cSKlaus Jensen return nvme_zone_mgmt_send(n, req); 418288eea45cSKlaus Jensen case NVME_CMD_ZONE_MGMT_RECV: 418388eea45cSKlaus Jensen return nvme_zone_mgmt_recv(n, req); 418488eea45cSKlaus Jensen default: 418588eea45cSKlaus Jensen assert(false); 418688eea45cSKlaus Jensen } 418788eea45cSKlaus Jensen 418888eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 418988eea45cSKlaus Jensen } 419088eea45cSKlaus Jensen 419188eea45cSKlaus Jensen static void nvme_free_sq(NvmeSQueue *sq, NvmeCtrl *n) 419288eea45cSKlaus Jensen { 419388eea45cSKlaus Jensen n->sq[sq->sqid] = NULL; 419488eea45cSKlaus Jensen timer_free(sq->timer); 419588eea45cSKlaus Jensen g_free(sq->io_req); 419688eea45cSKlaus Jensen if (sq->sqid) { 419788eea45cSKlaus Jensen g_free(sq); 419888eea45cSKlaus Jensen } 419988eea45cSKlaus Jensen } 420088eea45cSKlaus Jensen 420188eea45cSKlaus Jensen static uint16_t nvme_del_sq(NvmeCtrl *n, NvmeRequest *req) 420288eea45cSKlaus Jensen { 420388eea45cSKlaus Jensen NvmeDeleteQ *c = (NvmeDeleteQ *)&req->cmd; 420488eea45cSKlaus Jensen NvmeRequest *r, *next; 420588eea45cSKlaus Jensen NvmeSQueue *sq; 420688eea45cSKlaus Jensen NvmeCQueue *cq; 420788eea45cSKlaus Jensen uint16_t qid = le16_to_cpu(c->qid); 420888eea45cSKlaus Jensen 420988eea45cSKlaus Jensen if (unlikely(!qid || nvme_check_sqid(n, qid))) { 421088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_sq(qid); 421188eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 421288eea45cSKlaus Jensen } 421388eea45cSKlaus Jensen 421488eea45cSKlaus Jensen trace_pci_nvme_del_sq(qid); 421588eea45cSKlaus Jensen 421688eea45cSKlaus Jensen sq = n->sq[qid]; 421788eea45cSKlaus Jensen while (!QTAILQ_EMPTY(&sq->out_req_list)) { 421888eea45cSKlaus Jensen r = QTAILQ_FIRST(&sq->out_req_list); 4219e76fb260SKlaus Jensen assert(r->aiocb); 422088eea45cSKlaus Jensen blk_aio_cancel(r->aiocb); 422188eea45cSKlaus Jensen } 422288eea45cSKlaus Jensen 422388eea45cSKlaus Jensen assert(QTAILQ_EMPTY(&sq->out_req_list)); 422488eea45cSKlaus Jensen 422588eea45cSKlaus Jensen if (!nvme_check_cqid(n, sq->cqid)) { 422688eea45cSKlaus Jensen cq = n->cq[sq->cqid]; 422788eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->sq_list, sq, entry); 422888eea45cSKlaus Jensen 422988eea45cSKlaus Jensen nvme_post_cqes(cq); 423088eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(r, &cq->req_list, entry, next) { 423188eea45cSKlaus Jensen if (r->sq == sq) { 423288eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->req_list, r, entry); 423388eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->req_list, r, entry); 423488eea45cSKlaus Jensen } 423588eea45cSKlaus Jensen } 423688eea45cSKlaus Jensen } 423788eea45cSKlaus Jensen 423888eea45cSKlaus Jensen nvme_free_sq(sq, n); 423988eea45cSKlaus Jensen return NVME_SUCCESS; 424088eea45cSKlaus Jensen } 424188eea45cSKlaus Jensen 424288eea45cSKlaus Jensen static void nvme_init_sq(NvmeSQueue *sq, NvmeCtrl *n, uint64_t dma_addr, 424388eea45cSKlaus Jensen uint16_t sqid, uint16_t cqid, uint16_t size) 424488eea45cSKlaus Jensen { 424588eea45cSKlaus Jensen int i; 424688eea45cSKlaus Jensen NvmeCQueue *cq; 424788eea45cSKlaus Jensen 424888eea45cSKlaus Jensen sq->ctrl = n; 424988eea45cSKlaus Jensen sq->dma_addr = dma_addr; 425088eea45cSKlaus Jensen sq->sqid = sqid; 425188eea45cSKlaus Jensen sq->size = size; 425288eea45cSKlaus Jensen sq->cqid = cqid; 425388eea45cSKlaus Jensen sq->head = sq->tail = 0; 425488eea45cSKlaus Jensen sq->io_req = g_new0(NvmeRequest, sq->size); 425588eea45cSKlaus Jensen 425688eea45cSKlaus Jensen QTAILQ_INIT(&sq->req_list); 425788eea45cSKlaus Jensen QTAILQ_INIT(&sq->out_req_list); 425888eea45cSKlaus Jensen for (i = 0; i < sq->size; i++) { 425988eea45cSKlaus Jensen sq->io_req[i].sq = sq; 426088eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&(sq->req_list), &sq->io_req[i], entry); 426188eea45cSKlaus Jensen } 426288eea45cSKlaus Jensen sq->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, nvme_process_sq, sq); 426388eea45cSKlaus Jensen 426488eea45cSKlaus Jensen assert(n->cq[cqid]); 426588eea45cSKlaus Jensen cq = n->cq[cqid]; 426688eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&(cq->sq_list), sq, entry); 426788eea45cSKlaus Jensen n->sq[sqid] = sq; 426888eea45cSKlaus Jensen } 426988eea45cSKlaus Jensen 427088eea45cSKlaus Jensen static uint16_t nvme_create_sq(NvmeCtrl *n, NvmeRequest *req) 427188eea45cSKlaus Jensen { 427288eea45cSKlaus Jensen NvmeSQueue *sq; 427388eea45cSKlaus Jensen NvmeCreateSq *c = (NvmeCreateSq *)&req->cmd; 427488eea45cSKlaus Jensen 427588eea45cSKlaus Jensen uint16_t cqid = le16_to_cpu(c->cqid); 427688eea45cSKlaus Jensen uint16_t sqid = le16_to_cpu(c->sqid); 427788eea45cSKlaus Jensen uint16_t qsize = le16_to_cpu(c->qsize); 427888eea45cSKlaus Jensen uint16_t qflags = le16_to_cpu(c->sq_flags); 427988eea45cSKlaus Jensen uint64_t prp1 = le64_to_cpu(c->prp1); 428088eea45cSKlaus Jensen 428188eea45cSKlaus Jensen trace_pci_nvme_create_sq(prp1, sqid, cqid, qsize, qflags); 428288eea45cSKlaus Jensen 428388eea45cSKlaus Jensen if (unlikely(!cqid || nvme_check_cqid(n, cqid))) { 428488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_cqid(cqid); 428588eea45cSKlaus Jensen return NVME_INVALID_CQID | NVME_DNR; 428688eea45cSKlaus Jensen } 428788eea45cSKlaus Jensen if (unlikely(!sqid || sqid > n->params.max_ioqpairs || 428888eea45cSKlaus Jensen n->sq[sqid] != NULL)) { 428988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_sqid(sqid); 429088eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 429188eea45cSKlaus Jensen } 429249e03457SKlaus Jensen if (unlikely(!qsize || qsize > NVME_CAP_MQES(ldq_le_p(&n->bar.cap)))) { 429388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_size(qsize); 429488eea45cSKlaus Jensen return NVME_MAX_QSIZE_EXCEEDED | NVME_DNR; 429588eea45cSKlaus Jensen } 429688eea45cSKlaus Jensen if (unlikely(prp1 & (n->page_size - 1))) { 429788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_addr(prp1); 429888eea45cSKlaus Jensen return NVME_INVALID_PRP_OFFSET | NVME_DNR; 429988eea45cSKlaus Jensen } 430088eea45cSKlaus Jensen if (unlikely(!(NVME_SQ_FLAGS_PC(qflags)))) { 430188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_qflags(NVME_SQ_FLAGS_PC(qflags)); 430288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 430388eea45cSKlaus Jensen } 430488eea45cSKlaus Jensen sq = g_malloc0(sizeof(*sq)); 430588eea45cSKlaus Jensen nvme_init_sq(sq, n, prp1, sqid, cqid, qsize + 1); 430688eea45cSKlaus Jensen return NVME_SUCCESS; 430788eea45cSKlaus Jensen } 430888eea45cSKlaus Jensen 430988eea45cSKlaus Jensen struct nvme_stats { 431088eea45cSKlaus Jensen uint64_t units_read; 431188eea45cSKlaus Jensen uint64_t units_written; 431288eea45cSKlaus Jensen uint64_t read_commands; 431388eea45cSKlaus Jensen uint64_t write_commands; 431488eea45cSKlaus Jensen }; 431588eea45cSKlaus Jensen 431688eea45cSKlaus Jensen static void nvme_set_blk_stats(NvmeNamespace *ns, struct nvme_stats *stats) 431788eea45cSKlaus Jensen { 431888eea45cSKlaus Jensen BlockAcctStats *s = blk_get_stats(ns->blkconf.blk); 431988eea45cSKlaus Jensen 432088eea45cSKlaus Jensen stats->units_read += s->nr_bytes[BLOCK_ACCT_READ] >> BDRV_SECTOR_BITS; 432188eea45cSKlaus Jensen stats->units_written += s->nr_bytes[BLOCK_ACCT_WRITE] >> BDRV_SECTOR_BITS; 432288eea45cSKlaus Jensen stats->read_commands += s->nr_ops[BLOCK_ACCT_READ]; 432388eea45cSKlaus Jensen stats->write_commands += s->nr_ops[BLOCK_ACCT_WRITE]; 432488eea45cSKlaus Jensen } 432588eea45cSKlaus Jensen 432688eea45cSKlaus Jensen static uint16_t nvme_smart_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 432788eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 432888eea45cSKlaus Jensen { 432988eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 433088eea45cSKlaus Jensen struct nvme_stats stats = { 0 }; 433188eea45cSKlaus Jensen NvmeSmartLog smart = { 0 }; 433288eea45cSKlaus Jensen uint32_t trans_len; 433388eea45cSKlaus Jensen NvmeNamespace *ns; 433488eea45cSKlaus Jensen time_t current_ms; 433588eea45cSKlaus Jensen 433688eea45cSKlaus Jensen if (off >= sizeof(smart)) { 433788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 433888eea45cSKlaus Jensen } 433988eea45cSKlaus Jensen 434088eea45cSKlaus Jensen if (nsid != 0xffffffff) { 434188eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 434288eea45cSKlaus Jensen if (!ns) { 434388eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 434488eea45cSKlaus Jensen } 434588eea45cSKlaus Jensen nvme_set_blk_stats(ns, &stats); 434688eea45cSKlaus Jensen } else { 434788eea45cSKlaus Jensen int i; 434888eea45cSKlaus Jensen 434988eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 435088eea45cSKlaus Jensen ns = nvme_ns(n, i); 435188eea45cSKlaus Jensen if (!ns) { 435288eea45cSKlaus Jensen continue; 435388eea45cSKlaus Jensen } 435488eea45cSKlaus Jensen nvme_set_blk_stats(ns, &stats); 435588eea45cSKlaus Jensen } 435688eea45cSKlaus Jensen } 435788eea45cSKlaus Jensen 435888eea45cSKlaus Jensen trans_len = MIN(sizeof(smart) - off, buf_len); 435988eea45cSKlaus Jensen smart.critical_warning = n->smart_critical_warning; 436088eea45cSKlaus Jensen 436188eea45cSKlaus Jensen smart.data_units_read[0] = cpu_to_le64(DIV_ROUND_UP(stats.units_read, 436288eea45cSKlaus Jensen 1000)); 436388eea45cSKlaus Jensen smart.data_units_written[0] = cpu_to_le64(DIV_ROUND_UP(stats.units_written, 436488eea45cSKlaus Jensen 1000)); 436588eea45cSKlaus Jensen smart.host_read_commands[0] = cpu_to_le64(stats.read_commands); 436688eea45cSKlaus Jensen smart.host_write_commands[0] = cpu_to_le64(stats.write_commands); 436788eea45cSKlaus Jensen 436888eea45cSKlaus Jensen smart.temperature = cpu_to_le16(n->temperature); 436988eea45cSKlaus Jensen 437088eea45cSKlaus Jensen if ((n->temperature >= n->features.temp_thresh_hi) || 437188eea45cSKlaus Jensen (n->temperature <= n->features.temp_thresh_low)) { 437288eea45cSKlaus Jensen smart.critical_warning |= NVME_SMART_TEMPERATURE; 437388eea45cSKlaus Jensen } 437488eea45cSKlaus Jensen 437588eea45cSKlaus Jensen current_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 437688eea45cSKlaus Jensen smart.power_on_hours[0] = 437788eea45cSKlaus Jensen cpu_to_le64((((current_ms - n->starttime_ms) / 1000) / 60) / 60); 437888eea45cSKlaus Jensen 437988eea45cSKlaus Jensen if (!rae) { 438088eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_SMART); 438188eea45cSKlaus Jensen } 438288eea45cSKlaus Jensen 438388eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *) &smart + off, trans_len, req); 438488eea45cSKlaus Jensen } 438588eea45cSKlaus Jensen 438688eea45cSKlaus Jensen static uint16_t nvme_fw_log_info(NvmeCtrl *n, uint32_t buf_len, uint64_t off, 438788eea45cSKlaus Jensen NvmeRequest *req) 438888eea45cSKlaus Jensen { 438988eea45cSKlaus Jensen uint32_t trans_len; 439088eea45cSKlaus Jensen NvmeFwSlotInfoLog fw_log = { 439188eea45cSKlaus Jensen .afi = 0x1, 439288eea45cSKlaus Jensen }; 439388eea45cSKlaus Jensen 439488eea45cSKlaus Jensen if (off >= sizeof(fw_log)) { 439588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 439688eea45cSKlaus Jensen } 439788eea45cSKlaus Jensen 439888eea45cSKlaus Jensen strpadcpy((char *)&fw_log.frs1, sizeof(fw_log.frs1), "1.0", ' '); 439988eea45cSKlaus Jensen trans_len = MIN(sizeof(fw_log) - off, buf_len); 440088eea45cSKlaus Jensen 440188eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *) &fw_log + off, trans_len, req); 440288eea45cSKlaus Jensen } 440388eea45cSKlaus Jensen 440488eea45cSKlaus Jensen static uint16_t nvme_error_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 440588eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 440688eea45cSKlaus Jensen { 440788eea45cSKlaus Jensen uint32_t trans_len; 440888eea45cSKlaus Jensen NvmeErrorLog errlog; 440988eea45cSKlaus Jensen 441088eea45cSKlaus Jensen if (off >= sizeof(errlog)) { 441188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 441288eea45cSKlaus Jensen } 441388eea45cSKlaus Jensen 441488eea45cSKlaus Jensen if (!rae) { 441588eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_ERROR); 441688eea45cSKlaus Jensen } 441788eea45cSKlaus Jensen 441888eea45cSKlaus Jensen memset(&errlog, 0x0, sizeof(errlog)); 441988eea45cSKlaus Jensen trans_len = MIN(sizeof(errlog) - off, buf_len); 442088eea45cSKlaus Jensen 442188eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&errlog, trans_len, req); 442288eea45cSKlaus Jensen } 442388eea45cSKlaus Jensen 442488eea45cSKlaus Jensen static uint16_t nvme_changed_nslist(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 442588eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 442688eea45cSKlaus Jensen { 442788eea45cSKlaus Jensen uint32_t nslist[1024]; 442888eea45cSKlaus Jensen uint32_t trans_len; 442988eea45cSKlaus Jensen int i = 0; 443088eea45cSKlaus Jensen uint32_t nsid; 443188eea45cSKlaus Jensen 4432e2c57529SKlaus Jensen if (off >= sizeof(nslist)) { 4433e2c57529SKlaus Jensen trace_pci_nvme_err_invalid_log_page_offset(off, sizeof(nslist)); 4434e2c57529SKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 4435e2c57529SKlaus Jensen } 4436e2c57529SKlaus Jensen 443788eea45cSKlaus Jensen memset(nslist, 0x0, sizeof(nslist)); 443888eea45cSKlaus Jensen trans_len = MIN(sizeof(nslist) - off, buf_len); 443988eea45cSKlaus Jensen 444088eea45cSKlaus Jensen while ((nsid = find_first_bit(n->changed_nsids, NVME_CHANGED_NSID_SIZE)) != 444188eea45cSKlaus Jensen NVME_CHANGED_NSID_SIZE) { 444288eea45cSKlaus Jensen /* 444388eea45cSKlaus Jensen * If more than 1024 namespaces, the first entry in the log page should 444488eea45cSKlaus Jensen * be set to FFFFFFFFh and the others to 0 as spec. 444588eea45cSKlaus Jensen */ 444688eea45cSKlaus Jensen if (i == ARRAY_SIZE(nslist)) { 444788eea45cSKlaus Jensen memset(nslist, 0x0, sizeof(nslist)); 444888eea45cSKlaus Jensen nslist[0] = 0xffffffff; 444988eea45cSKlaus Jensen break; 445088eea45cSKlaus Jensen } 445188eea45cSKlaus Jensen 445288eea45cSKlaus Jensen nslist[i++] = nsid; 445388eea45cSKlaus Jensen clear_bit(nsid, n->changed_nsids); 445488eea45cSKlaus Jensen } 445588eea45cSKlaus Jensen 445688eea45cSKlaus Jensen /* 445788eea45cSKlaus Jensen * Remove all the remaining list entries in case returns directly due to 445888eea45cSKlaus Jensen * more than 1024 namespaces. 445988eea45cSKlaus Jensen */ 446088eea45cSKlaus Jensen if (nslist[0] == 0xffffffff) { 446188eea45cSKlaus Jensen bitmap_zero(n->changed_nsids, NVME_CHANGED_NSID_SIZE); 446288eea45cSKlaus Jensen } 446388eea45cSKlaus Jensen 446488eea45cSKlaus Jensen if (!rae) { 446588eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_NOTICE); 446688eea45cSKlaus Jensen } 446788eea45cSKlaus Jensen 446888eea45cSKlaus Jensen return nvme_c2h(n, ((uint8_t *)nslist) + off, trans_len, req); 446988eea45cSKlaus Jensen } 447088eea45cSKlaus Jensen 447188eea45cSKlaus Jensen static uint16_t nvme_cmd_effects(NvmeCtrl *n, uint8_t csi, uint32_t buf_len, 447288eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 447388eea45cSKlaus Jensen { 447488eea45cSKlaus Jensen NvmeEffectsLog log = {}; 447588eea45cSKlaus Jensen const uint32_t *src_iocs = NULL; 447688eea45cSKlaus Jensen uint32_t trans_len; 447788eea45cSKlaus Jensen 447888eea45cSKlaus Jensen if (off >= sizeof(log)) { 447988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_log_page_offset(off, sizeof(log)); 448088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 448188eea45cSKlaus Jensen } 448288eea45cSKlaus Jensen 448349e03457SKlaus Jensen switch (NVME_CC_CSS(ldl_le_p(&n->bar.cc))) { 448488eea45cSKlaus Jensen case NVME_CC_CSS_NVM: 448588eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_nvm; 448688eea45cSKlaus Jensen /* fall through */ 448788eea45cSKlaus Jensen case NVME_CC_CSS_ADMIN_ONLY: 448888eea45cSKlaus Jensen break; 448988eea45cSKlaus Jensen case NVME_CC_CSS_CSI: 449088eea45cSKlaus Jensen switch (csi) { 449188eea45cSKlaus Jensen case NVME_CSI_NVM: 449288eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_nvm; 449388eea45cSKlaus Jensen break; 449488eea45cSKlaus Jensen case NVME_CSI_ZONED: 449588eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_zoned; 449688eea45cSKlaus Jensen break; 449788eea45cSKlaus Jensen } 449888eea45cSKlaus Jensen } 449988eea45cSKlaus Jensen 450088eea45cSKlaus Jensen memcpy(log.acs, nvme_cse_acs, sizeof(nvme_cse_acs)); 450188eea45cSKlaus Jensen 450288eea45cSKlaus Jensen if (src_iocs) { 450388eea45cSKlaus Jensen memcpy(log.iocs, src_iocs, sizeof(log.iocs)); 450488eea45cSKlaus Jensen } 450588eea45cSKlaus Jensen 450688eea45cSKlaus Jensen trans_len = MIN(sizeof(log) - off, buf_len); 450788eea45cSKlaus Jensen 450888eea45cSKlaus Jensen return nvme_c2h(n, ((uint8_t *)&log) + off, trans_len, req); 450988eea45cSKlaus Jensen } 451088eea45cSKlaus Jensen 451188eea45cSKlaus Jensen static uint16_t nvme_get_log(NvmeCtrl *n, NvmeRequest *req) 451288eea45cSKlaus Jensen { 451388eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 451488eea45cSKlaus Jensen 451588eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 451688eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 451788eea45cSKlaus Jensen uint32_t dw12 = le32_to_cpu(cmd->cdw12); 451888eea45cSKlaus Jensen uint32_t dw13 = le32_to_cpu(cmd->cdw13); 451988eea45cSKlaus Jensen uint8_t lid = dw10 & 0xff; 452088eea45cSKlaus Jensen uint8_t lsp = (dw10 >> 8) & 0xf; 452188eea45cSKlaus Jensen uint8_t rae = (dw10 >> 15) & 0x1; 452288eea45cSKlaus Jensen uint8_t csi = le32_to_cpu(cmd->cdw14) >> 24; 452388eea45cSKlaus Jensen uint32_t numdl, numdu; 452488eea45cSKlaus Jensen uint64_t off, lpol, lpou; 452588eea45cSKlaus Jensen size_t len; 452688eea45cSKlaus Jensen uint16_t status; 452788eea45cSKlaus Jensen 452888eea45cSKlaus Jensen numdl = (dw10 >> 16); 452988eea45cSKlaus Jensen numdu = (dw11 & 0xffff); 453088eea45cSKlaus Jensen lpol = dw12; 453188eea45cSKlaus Jensen lpou = dw13; 453288eea45cSKlaus Jensen 453388eea45cSKlaus Jensen len = (((numdu << 16) | numdl) + 1) << 2; 453488eea45cSKlaus Jensen off = (lpou << 32ULL) | lpol; 453588eea45cSKlaus Jensen 453688eea45cSKlaus Jensen if (off & 0x3) { 453788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 453888eea45cSKlaus Jensen } 453988eea45cSKlaus Jensen 454088eea45cSKlaus Jensen trace_pci_nvme_get_log(nvme_cid(req), lid, lsp, rae, len, off); 454188eea45cSKlaus Jensen 454288eea45cSKlaus Jensen status = nvme_check_mdts(n, len); 454388eea45cSKlaus Jensen if (status) { 454488eea45cSKlaus Jensen return status; 454588eea45cSKlaus Jensen } 454688eea45cSKlaus Jensen 454788eea45cSKlaus Jensen switch (lid) { 454888eea45cSKlaus Jensen case NVME_LOG_ERROR_INFO: 454988eea45cSKlaus Jensen return nvme_error_info(n, rae, len, off, req); 455088eea45cSKlaus Jensen case NVME_LOG_SMART_INFO: 455188eea45cSKlaus Jensen return nvme_smart_info(n, rae, len, off, req); 455288eea45cSKlaus Jensen case NVME_LOG_FW_SLOT_INFO: 455388eea45cSKlaus Jensen return nvme_fw_log_info(n, len, off, req); 455488eea45cSKlaus Jensen case NVME_LOG_CHANGED_NSLIST: 455588eea45cSKlaus Jensen return nvme_changed_nslist(n, rae, len, off, req); 455688eea45cSKlaus Jensen case NVME_LOG_CMD_EFFECTS: 455788eea45cSKlaus Jensen return nvme_cmd_effects(n, csi, len, off, req); 455888eea45cSKlaus Jensen default: 455988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_log_page(nvme_cid(req), lid); 456088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 456188eea45cSKlaus Jensen } 456288eea45cSKlaus Jensen } 456388eea45cSKlaus Jensen 456488eea45cSKlaus Jensen static void nvme_free_cq(NvmeCQueue *cq, NvmeCtrl *n) 456588eea45cSKlaus Jensen { 456688eea45cSKlaus Jensen n->cq[cq->cqid] = NULL; 456788eea45cSKlaus Jensen timer_free(cq->timer); 456888eea45cSKlaus Jensen if (msix_enabled(&n->parent_obj)) { 456988eea45cSKlaus Jensen msix_vector_unuse(&n->parent_obj, cq->vector); 457088eea45cSKlaus Jensen } 457188eea45cSKlaus Jensen if (cq->cqid) { 457288eea45cSKlaus Jensen g_free(cq); 457388eea45cSKlaus Jensen } 457488eea45cSKlaus Jensen } 457588eea45cSKlaus Jensen 457688eea45cSKlaus Jensen static uint16_t nvme_del_cq(NvmeCtrl *n, NvmeRequest *req) 457788eea45cSKlaus Jensen { 457888eea45cSKlaus Jensen NvmeDeleteQ *c = (NvmeDeleteQ *)&req->cmd; 457988eea45cSKlaus Jensen NvmeCQueue *cq; 458088eea45cSKlaus Jensen uint16_t qid = le16_to_cpu(c->qid); 458188eea45cSKlaus Jensen 458288eea45cSKlaus Jensen if (unlikely(!qid || nvme_check_cqid(n, qid))) { 458388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_cq_cqid(qid); 458488eea45cSKlaus Jensen return NVME_INVALID_CQID | NVME_DNR; 458588eea45cSKlaus Jensen } 458688eea45cSKlaus Jensen 458788eea45cSKlaus Jensen cq = n->cq[qid]; 458888eea45cSKlaus Jensen if (unlikely(!QTAILQ_EMPTY(&cq->sq_list))) { 458988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_cq_notempty(qid); 459088eea45cSKlaus Jensen return NVME_INVALID_QUEUE_DEL; 459188eea45cSKlaus Jensen } 459283d7ed5cSKlaus Jensen 459383d7ed5cSKlaus Jensen if (cq->irq_enabled && cq->tail != cq->head) { 459483d7ed5cSKlaus Jensen n->cq_pending--; 459583d7ed5cSKlaus Jensen } 459683d7ed5cSKlaus Jensen 459788eea45cSKlaus Jensen nvme_irq_deassert(n, cq); 459888eea45cSKlaus Jensen trace_pci_nvme_del_cq(qid); 459988eea45cSKlaus Jensen nvme_free_cq(cq, n); 460088eea45cSKlaus Jensen return NVME_SUCCESS; 460188eea45cSKlaus Jensen } 460288eea45cSKlaus Jensen 460388eea45cSKlaus Jensen static void nvme_init_cq(NvmeCQueue *cq, NvmeCtrl *n, uint64_t dma_addr, 460488eea45cSKlaus Jensen uint16_t cqid, uint16_t vector, uint16_t size, 460588eea45cSKlaus Jensen uint16_t irq_enabled) 460688eea45cSKlaus Jensen { 460788eea45cSKlaus Jensen int ret; 460888eea45cSKlaus Jensen 460988eea45cSKlaus Jensen if (msix_enabled(&n->parent_obj)) { 461088eea45cSKlaus Jensen ret = msix_vector_use(&n->parent_obj, vector); 461188eea45cSKlaus Jensen assert(ret == 0); 461288eea45cSKlaus Jensen } 461388eea45cSKlaus Jensen cq->ctrl = n; 461488eea45cSKlaus Jensen cq->cqid = cqid; 461588eea45cSKlaus Jensen cq->size = size; 461688eea45cSKlaus Jensen cq->dma_addr = dma_addr; 461788eea45cSKlaus Jensen cq->phase = 1; 461888eea45cSKlaus Jensen cq->irq_enabled = irq_enabled; 461988eea45cSKlaus Jensen cq->vector = vector; 462088eea45cSKlaus Jensen cq->head = cq->tail = 0; 462188eea45cSKlaus Jensen QTAILQ_INIT(&cq->req_list); 462288eea45cSKlaus Jensen QTAILQ_INIT(&cq->sq_list); 462388eea45cSKlaus Jensen n->cq[cqid] = cq; 462488eea45cSKlaus Jensen cq->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, nvme_post_cqes, cq); 462588eea45cSKlaus Jensen } 462688eea45cSKlaus Jensen 462788eea45cSKlaus Jensen static uint16_t nvme_create_cq(NvmeCtrl *n, NvmeRequest *req) 462888eea45cSKlaus Jensen { 462988eea45cSKlaus Jensen NvmeCQueue *cq; 463088eea45cSKlaus Jensen NvmeCreateCq *c = (NvmeCreateCq *)&req->cmd; 463188eea45cSKlaus Jensen uint16_t cqid = le16_to_cpu(c->cqid); 463288eea45cSKlaus Jensen uint16_t vector = le16_to_cpu(c->irq_vector); 463388eea45cSKlaus Jensen uint16_t qsize = le16_to_cpu(c->qsize); 463488eea45cSKlaus Jensen uint16_t qflags = le16_to_cpu(c->cq_flags); 463588eea45cSKlaus Jensen uint64_t prp1 = le64_to_cpu(c->prp1); 463688eea45cSKlaus Jensen 463788eea45cSKlaus Jensen trace_pci_nvme_create_cq(prp1, cqid, vector, qsize, qflags, 463888eea45cSKlaus Jensen NVME_CQ_FLAGS_IEN(qflags) != 0); 463988eea45cSKlaus Jensen 464088eea45cSKlaus Jensen if (unlikely(!cqid || cqid > n->params.max_ioqpairs || 464188eea45cSKlaus Jensen n->cq[cqid] != NULL)) { 464288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_cqid(cqid); 464388eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 464488eea45cSKlaus Jensen } 464549e03457SKlaus Jensen if (unlikely(!qsize || qsize > NVME_CAP_MQES(ldq_le_p(&n->bar.cap)))) { 464688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_size(qsize); 464788eea45cSKlaus Jensen return NVME_MAX_QSIZE_EXCEEDED | NVME_DNR; 464888eea45cSKlaus Jensen } 464988eea45cSKlaus Jensen if (unlikely(prp1 & (n->page_size - 1))) { 465088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_addr(prp1); 465188eea45cSKlaus Jensen return NVME_INVALID_PRP_OFFSET | NVME_DNR; 465288eea45cSKlaus Jensen } 465388eea45cSKlaus Jensen if (unlikely(!msix_enabled(&n->parent_obj) && vector)) { 465488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_vector(vector); 465588eea45cSKlaus Jensen return NVME_INVALID_IRQ_VECTOR | NVME_DNR; 465688eea45cSKlaus Jensen } 465788eea45cSKlaus Jensen if (unlikely(vector >= n->params.msix_qsize)) { 465888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_vector(vector); 465988eea45cSKlaus Jensen return NVME_INVALID_IRQ_VECTOR | NVME_DNR; 466088eea45cSKlaus Jensen } 466188eea45cSKlaus Jensen if (unlikely(!(NVME_CQ_FLAGS_PC(qflags)))) { 466288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_qflags(NVME_CQ_FLAGS_PC(qflags)); 466388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 466488eea45cSKlaus Jensen } 466588eea45cSKlaus Jensen 466688eea45cSKlaus Jensen cq = g_malloc0(sizeof(*cq)); 466788eea45cSKlaus Jensen nvme_init_cq(cq, n, prp1, cqid, vector, qsize + 1, 466888eea45cSKlaus Jensen NVME_CQ_FLAGS_IEN(qflags)); 466988eea45cSKlaus Jensen 467088eea45cSKlaus Jensen /* 467188eea45cSKlaus Jensen * It is only required to set qs_created when creating a completion queue; 467288eea45cSKlaus Jensen * creating a submission queue without a matching completion queue will 467388eea45cSKlaus Jensen * fail. 467488eea45cSKlaus Jensen */ 467588eea45cSKlaus Jensen n->qs_created = true; 467688eea45cSKlaus Jensen return NVME_SUCCESS; 467788eea45cSKlaus Jensen } 467888eea45cSKlaus Jensen 467988eea45cSKlaus Jensen static uint16_t nvme_rpt_empty_id_struct(NvmeCtrl *n, NvmeRequest *req) 468088eea45cSKlaus Jensen { 468188eea45cSKlaus Jensen uint8_t id[NVME_IDENTIFY_DATA_SIZE] = {}; 468288eea45cSKlaus Jensen 468388eea45cSKlaus Jensen return nvme_c2h(n, id, sizeof(id), req); 468488eea45cSKlaus Jensen } 468588eea45cSKlaus Jensen 468688eea45cSKlaus Jensen static uint16_t nvme_identify_ctrl(NvmeCtrl *n, NvmeRequest *req) 468788eea45cSKlaus Jensen { 468888eea45cSKlaus Jensen trace_pci_nvme_identify_ctrl(); 468988eea45cSKlaus Jensen 469088eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&n->id_ctrl, sizeof(n->id_ctrl), req); 469188eea45cSKlaus Jensen } 469288eea45cSKlaus Jensen 469388eea45cSKlaus Jensen static uint16_t nvme_identify_ctrl_csi(NvmeCtrl *n, NvmeRequest *req) 469488eea45cSKlaus Jensen { 469588eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 469688eea45cSKlaus Jensen uint8_t id[NVME_IDENTIFY_DATA_SIZE] = {}; 469788eea45cSKlaus Jensen NvmeIdCtrlNvm *id_nvm = (NvmeIdCtrlNvm *)&id; 469888eea45cSKlaus Jensen 469988eea45cSKlaus Jensen trace_pci_nvme_identify_ctrl_csi(c->csi); 470088eea45cSKlaus Jensen 470188eea45cSKlaus Jensen switch (c->csi) { 470288eea45cSKlaus Jensen case NVME_CSI_NVM: 470388eea45cSKlaus Jensen id_nvm->vsl = n->params.vsl; 470488eea45cSKlaus Jensen id_nvm->dmrsl = cpu_to_le32(n->dmrsl); 470588eea45cSKlaus Jensen break; 470688eea45cSKlaus Jensen 470788eea45cSKlaus Jensen case NVME_CSI_ZONED: 470888eea45cSKlaus Jensen ((NvmeIdCtrlZoned *)&id)->zasl = n->params.zasl; 470988eea45cSKlaus Jensen break; 471088eea45cSKlaus Jensen 471188eea45cSKlaus Jensen default: 471288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 471388eea45cSKlaus Jensen } 471488eea45cSKlaus Jensen 471588eea45cSKlaus Jensen return nvme_c2h(n, id, sizeof(id), req); 471688eea45cSKlaus Jensen } 471788eea45cSKlaus Jensen 471888eea45cSKlaus Jensen static uint16_t nvme_identify_ns(NvmeCtrl *n, NvmeRequest *req, bool active) 471988eea45cSKlaus Jensen { 472088eea45cSKlaus Jensen NvmeNamespace *ns; 472188eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 472288eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 472388eea45cSKlaus Jensen 472488eea45cSKlaus Jensen trace_pci_nvme_identify_ns(nsid); 472588eea45cSKlaus Jensen 472688eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 472788eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 472888eea45cSKlaus Jensen } 472988eea45cSKlaus Jensen 473088eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 473188eea45cSKlaus Jensen if (unlikely(!ns)) { 473288eea45cSKlaus Jensen if (!active) { 473388eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 473488eea45cSKlaus Jensen if (!ns) { 473588eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 473688eea45cSKlaus Jensen } 473788eea45cSKlaus Jensen } else { 473888eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 473988eea45cSKlaus Jensen } 474088eea45cSKlaus Jensen } 474188eea45cSKlaus Jensen 47423553c48fSGollu Appalanaidu if (active || ns->csi == NVME_CSI_NVM) { 474388eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&ns->id_ns, sizeof(NvmeIdNs), req); 474488eea45cSKlaus Jensen } 474588eea45cSKlaus Jensen 474688eea45cSKlaus Jensen return NVME_INVALID_CMD_SET | NVME_DNR; 474788eea45cSKlaus Jensen } 474888eea45cSKlaus Jensen 47495f4eb94dSGollu Appalanaidu static uint16_t nvme_identify_ctrl_list(NvmeCtrl *n, NvmeRequest *req, 47505f4eb94dSGollu Appalanaidu bool attached) 475188eea45cSKlaus Jensen { 475288eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 47535f4eb94dSGollu Appalanaidu uint32_t nsid = le32_to_cpu(c->nsid); 475488eea45cSKlaus Jensen uint16_t min_id = le16_to_cpu(c->ctrlid); 475588eea45cSKlaus Jensen uint16_t list[NVME_CONTROLLER_LIST_SIZE] = {}; 475688eea45cSKlaus Jensen uint16_t *ids = &list[1]; 475788eea45cSKlaus Jensen NvmeNamespace *ns; 475888eea45cSKlaus Jensen NvmeCtrl *ctrl; 475988eea45cSKlaus Jensen int cntlid, nr_ids = 0; 476088eea45cSKlaus Jensen 47615f4eb94dSGollu Appalanaidu trace_pci_nvme_identify_ctrl_list(c->cns, min_id); 476288eea45cSKlaus Jensen 47635f4eb94dSGollu Appalanaidu if (!n->subsys) { 476488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 476588eea45cSKlaus Jensen } 476688eea45cSKlaus Jensen 47675f4eb94dSGollu Appalanaidu if (attached) { 47685f4eb94dSGollu Appalanaidu if (nsid == NVME_NSID_BROADCAST) { 47695f4eb94dSGollu Appalanaidu return NVME_INVALID_FIELD | NVME_DNR; 47705f4eb94dSGollu Appalanaidu } 47715f4eb94dSGollu Appalanaidu 47725f4eb94dSGollu Appalanaidu ns = nvme_subsys_ns(n->subsys, nsid); 477388eea45cSKlaus Jensen if (!ns) { 477488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 477588eea45cSKlaus Jensen } 47765f4eb94dSGollu Appalanaidu } 477788eea45cSKlaus Jensen 477888eea45cSKlaus Jensen for (cntlid = min_id; cntlid < ARRAY_SIZE(n->subsys->ctrls); cntlid++) { 477988eea45cSKlaus Jensen ctrl = nvme_subsys_ctrl(n->subsys, cntlid); 478088eea45cSKlaus Jensen if (!ctrl) { 478188eea45cSKlaus Jensen continue; 478288eea45cSKlaus Jensen } 478388eea45cSKlaus Jensen 47845f4eb94dSGollu Appalanaidu if (attached && !nvme_ns(ctrl, nsid)) { 478588eea45cSKlaus Jensen continue; 478688eea45cSKlaus Jensen } 478788eea45cSKlaus Jensen 478888eea45cSKlaus Jensen ids[nr_ids++] = cntlid; 478988eea45cSKlaus Jensen } 479088eea45cSKlaus Jensen 479188eea45cSKlaus Jensen list[0] = nr_ids; 479288eea45cSKlaus Jensen 479388eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)list, sizeof(list), req); 479488eea45cSKlaus Jensen } 479588eea45cSKlaus Jensen 479688eea45cSKlaus Jensen static uint16_t nvme_identify_ns_csi(NvmeCtrl *n, NvmeRequest *req, 479788eea45cSKlaus Jensen bool active) 479888eea45cSKlaus Jensen { 479988eea45cSKlaus Jensen NvmeNamespace *ns; 480088eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 480188eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 480288eea45cSKlaus Jensen 480388eea45cSKlaus Jensen trace_pci_nvme_identify_ns_csi(nsid, c->csi); 480488eea45cSKlaus Jensen 480588eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 480688eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 480788eea45cSKlaus Jensen } 480888eea45cSKlaus Jensen 480988eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 481088eea45cSKlaus Jensen if (unlikely(!ns)) { 481188eea45cSKlaus Jensen if (!active) { 481288eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 481388eea45cSKlaus Jensen if (!ns) { 481488eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 481588eea45cSKlaus Jensen } 481688eea45cSKlaus Jensen } else { 481788eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 481888eea45cSKlaus Jensen } 481988eea45cSKlaus Jensen } 482088eea45cSKlaus Jensen 48213553c48fSGollu Appalanaidu if (c->csi == NVME_CSI_NVM) { 482244219b60SNaveen Nagar return nvme_c2h(n, (uint8_t *)&ns->id_ns_nvm, sizeof(NvmeIdNsNvm), 482344219b60SNaveen Nagar req); 482488eea45cSKlaus Jensen } else if (c->csi == NVME_CSI_ZONED && ns->csi == NVME_CSI_ZONED) { 482588eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)ns->id_ns_zoned, sizeof(NvmeIdNsZoned), 482688eea45cSKlaus Jensen req); 482788eea45cSKlaus Jensen } 482888eea45cSKlaus Jensen 482988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 483088eea45cSKlaus Jensen } 483188eea45cSKlaus Jensen 483288eea45cSKlaus Jensen static uint16_t nvme_identify_nslist(NvmeCtrl *n, NvmeRequest *req, 483388eea45cSKlaus Jensen bool active) 483488eea45cSKlaus Jensen { 483588eea45cSKlaus Jensen NvmeNamespace *ns; 483688eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 483788eea45cSKlaus Jensen uint32_t min_nsid = le32_to_cpu(c->nsid); 483888eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 483988eea45cSKlaus Jensen static const int data_len = sizeof(list); 484088eea45cSKlaus Jensen uint32_t *list_ptr = (uint32_t *)list; 484188eea45cSKlaus Jensen int i, j = 0; 484288eea45cSKlaus Jensen 484388eea45cSKlaus Jensen trace_pci_nvme_identify_nslist(min_nsid); 484488eea45cSKlaus Jensen 484588eea45cSKlaus Jensen /* 484688eea45cSKlaus Jensen * Both FFFFFFFFh (NVME_NSID_BROADCAST) and FFFFFFFFEh are invalid values 484788eea45cSKlaus Jensen * since the Active Namespace ID List should return namespaces with ids 484888eea45cSKlaus Jensen * *higher* than the NSID specified in the command. This is also specified 484988eea45cSKlaus Jensen * in the spec (NVM Express v1.3d, Section 5.15.4). 485088eea45cSKlaus Jensen */ 485188eea45cSKlaus Jensen if (min_nsid >= NVME_NSID_BROADCAST - 1) { 485288eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 485388eea45cSKlaus Jensen } 485488eea45cSKlaus Jensen 485588eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 485688eea45cSKlaus Jensen ns = nvme_ns(n, i); 485788eea45cSKlaus Jensen if (!ns) { 485888eea45cSKlaus Jensen if (!active) { 485988eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, i); 486088eea45cSKlaus Jensen if (!ns) { 486188eea45cSKlaus Jensen continue; 486288eea45cSKlaus Jensen } 486388eea45cSKlaus Jensen } else { 486488eea45cSKlaus Jensen continue; 486588eea45cSKlaus Jensen } 486688eea45cSKlaus Jensen } 486788eea45cSKlaus Jensen if (ns->params.nsid <= min_nsid) { 486888eea45cSKlaus Jensen continue; 486988eea45cSKlaus Jensen } 487088eea45cSKlaus Jensen list_ptr[j++] = cpu_to_le32(ns->params.nsid); 487188eea45cSKlaus Jensen if (j == data_len / sizeof(uint32_t)) { 487288eea45cSKlaus Jensen break; 487388eea45cSKlaus Jensen } 487488eea45cSKlaus Jensen } 487588eea45cSKlaus Jensen 487688eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 487788eea45cSKlaus Jensen } 487888eea45cSKlaus Jensen 487988eea45cSKlaus Jensen static uint16_t nvme_identify_nslist_csi(NvmeCtrl *n, NvmeRequest *req, 488088eea45cSKlaus Jensen bool active) 488188eea45cSKlaus Jensen { 488288eea45cSKlaus Jensen NvmeNamespace *ns; 488388eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 488488eea45cSKlaus Jensen uint32_t min_nsid = le32_to_cpu(c->nsid); 488588eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 488688eea45cSKlaus Jensen static const int data_len = sizeof(list); 488788eea45cSKlaus Jensen uint32_t *list_ptr = (uint32_t *)list; 488888eea45cSKlaus Jensen int i, j = 0; 488988eea45cSKlaus Jensen 489088eea45cSKlaus Jensen trace_pci_nvme_identify_nslist_csi(min_nsid, c->csi); 489188eea45cSKlaus Jensen 489288eea45cSKlaus Jensen /* 489388eea45cSKlaus Jensen * Same as in nvme_identify_nslist(), FFFFFFFFh/FFFFFFFFEh are invalid. 489488eea45cSKlaus Jensen */ 489588eea45cSKlaus Jensen if (min_nsid >= NVME_NSID_BROADCAST - 1) { 489688eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 489788eea45cSKlaus Jensen } 489888eea45cSKlaus Jensen 489988eea45cSKlaus Jensen if (c->csi != NVME_CSI_NVM && c->csi != NVME_CSI_ZONED) { 490088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 490188eea45cSKlaus Jensen } 490288eea45cSKlaus Jensen 490388eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 490488eea45cSKlaus Jensen ns = nvme_ns(n, i); 490588eea45cSKlaus Jensen if (!ns) { 490688eea45cSKlaus Jensen if (!active) { 490788eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, i); 490888eea45cSKlaus Jensen if (!ns) { 490988eea45cSKlaus Jensen continue; 491088eea45cSKlaus Jensen } 491188eea45cSKlaus Jensen } else { 491288eea45cSKlaus Jensen continue; 491388eea45cSKlaus Jensen } 491488eea45cSKlaus Jensen } 491588eea45cSKlaus Jensen if (ns->params.nsid <= min_nsid || c->csi != ns->csi) { 491688eea45cSKlaus Jensen continue; 491788eea45cSKlaus Jensen } 491888eea45cSKlaus Jensen list_ptr[j++] = cpu_to_le32(ns->params.nsid); 491988eea45cSKlaus Jensen if (j == data_len / sizeof(uint32_t)) { 492088eea45cSKlaus Jensen break; 492188eea45cSKlaus Jensen } 492288eea45cSKlaus Jensen } 492388eea45cSKlaus Jensen 492488eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 492588eea45cSKlaus Jensen } 492688eea45cSKlaus Jensen 492788eea45cSKlaus Jensen static uint16_t nvme_identify_ns_descr_list(NvmeCtrl *n, NvmeRequest *req) 492888eea45cSKlaus Jensen { 492988eea45cSKlaus Jensen NvmeNamespace *ns; 493088eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 493188eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 493288eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 49336870cfb8SHeinrich Schuchardt uint8_t *pos = list; 493488eea45cSKlaus Jensen struct { 493588eea45cSKlaus Jensen NvmeIdNsDescr hdr; 493688eea45cSKlaus Jensen uint8_t v[NVME_NIDL_UUID]; 49375f4884c4SKlaus Jensen } QEMU_PACKED uuid = {}; 49386870cfb8SHeinrich Schuchardt struct { 49396870cfb8SHeinrich Schuchardt NvmeIdNsDescr hdr; 49406870cfb8SHeinrich Schuchardt uint64_t v; 49415f4884c4SKlaus Jensen } QEMU_PACKED eui64 = {}; 494288eea45cSKlaus Jensen struct { 494388eea45cSKlaus Jensen NvmeIdNsDescr hdr; 494488eea45cSKlaus Jensen uint8_t v; 49455f4884c4SKlaus Jensen } QEMU_PACKED csi = {}; 494688eea45cSKlaus Jensen 494788eea45cSKlaus Jensen trace_pci_nvme_identify_ns_descr_list(nsid); 494888eea45cSKlaus Jensen 494988eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 495088eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 495188eea45cSKlaus Jensen } 495288eea45cSKlaus Jensen 495388eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 495488eea45cSKlaus Jensen if (unlikely(!ns)) { 495588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 495688eea45cSKlaus Jensen } 495788eea45cSKlaus Jensen 49589f2e1acfSKlaus Jensen if (!qemu_uuid_is_null(&ns->params.uuid)) { 49596870cfb8SHeinrich Schuchardt uuid.hdr.nidt = NVME_NIDT_UUID; 49606870cfb8SHeinrich Schuchardt uuid.hdr.nidl = NVME_NIDL_UUID; 49616870cfb8SHeinrich Schuchardt memcpy(uuid.v, ns->params.uuid.data, NVME_NIDL_UUID); 49626870cfb8SHeinrich Schuchardt memcpy(pos, &uuid, sizeof(uuid)); 49636870cfb8SHeinrich Schuchardt pos += sizeof(uuid); 49649f2e1acfSKlaus Jensen } 496588eea45cSKlaus Jensen 49666870cfb8SHeinrich Schuchardt if (ns->params.eui64) { 49676870cfb8SHeinrich Schuchardt eui64.hdr.nidt = NVME_NIDT_EUI64; 49686870cfb8SHeinrich Schuchardt eui64.hdr.nidl = NVME_NIDL_EUI64; 49696870cfb8SHeinrich Schuchardt eui64.v = cpu_to_be64(ns->params.eui64); 49706870cfb8SHeinrich Schuchardt memcpy(pos, &eui64, sizeof(eui64)); 49716870cfb8SHeinrich Schuchardt pos += sizeof(eui64); 49726870cfb8SHeinrich Schuchardt } 49736870cfb8SHeinrich Schuchardt 49746870cfb8SHeinrich Schuchardt csi.hdr.nidt = NVME_NIDT_CSI; 49756870cfb8SHeinrich Schuchardt csi.hdr.nidl = NVME_NIDL_CSI; 49766870cfb8SHeinrich Schuchardt csi.v = ns->csi; 49776870cfb8SHeinrich Schuchardt memcpy(pos, &csi, sizeof(csi)); 49786870cfb8SHeinrich Schuchardt pos += sizeof(csi); 497988eea45cSKlaus Jensen 498088eea45cSKlaus Jensen return nvme_c2h(n, list, sizeof(list), req); 498188eea45cSKlaus Jensen } 498288eea45cSKlaus Jensen 498388eea45cSKlaus Jensen static uint16_t nvme_identify_cmd_set(NvmeCtrl *n, NvmeRequest *req) 498488eea45cSKlaus Jensen { 498588eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 498688eea45cSKlaus Jensen static const int data_len = sizeof(list); 498788eea45cSKlaus Jensen 498888eea45cSKlaus Jensen trace_pci_nvme_identify_cmd_set(); 498988eea45cSKlaus Jensen 499088eea45cSKlaus Jensen NVME_SET_CSI(*list, NVME_CSI_NVM); 499188eea45cSKlaus Jensen NVME_SET_CSI(*list, NVME_CSI_ZONED); 499288eea45cSKlaus Jensen 499388eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 499488eea45cSKlaus Jensen } 499588eea45cSKlaus Jensen 499688eea45cSKlaus Jensen static uint16_t nvme_identify(NvmeCtrl *n, NvmeRequest *req) 499788eea45cSKlaus Jensen { 499888eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 499988eea45cSKlaus Jensen 500088eea45cSKlaus Jensen trace_pci_nvme_identify(nvme_cid(req), c->cns, le16_to_cpu(c->ctrlid), 500188eea45cSKlaus Jensen c->csi); 500288eea45cSKlaus Jensen 500388eea45cSKlaus Jensen switch (c->cns) { 500488eea45cSKlaus Jensen case NVME_ID_CNS_NS: 500588eea45cSKlaus Jensen return nvme_identify_ns(n, req, true); 500688eea45cSKlaus Jensen case NVME_ID_CNS_NS_PRESENT: 500788eea45cSKlaus Jensen return nvme_identify_ns(n, req, false); 500888eea45cSKlaus Jensen case NVME_ID_CNS_NS_ATTACHED_CTRL_LIST: 50095f4eb94dSGollu Appalanaidu return nvme_identify_ctrl_list(n, req, true); 50105f4eb94dSGollu Appalanaidu case NVME_ID_CNS_CTRL_LIST: 50115f4eb94dSGollu Appalanaidu return nvme_identify_ctrl_list(n, req, false); 501288eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS: 501388eea45cSKlaus Jensen return nvme_identify_ns_csi(n, req, true); 501488eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_PRESENT: 501588eea45cSKlaus Jensen return nvme_identify_ns_csi(n, req, false); 501688eea45cSKlaus Jensen case NVME_ID_CNS_CTRL: 501788eea45cSKlaus Jensen return nvme_identify_ctrl(n, req); 501888eea45cSKlaus Jensen case NVME_ID_CNS_CS_CTRL: 501988eea45cSKlaus Jensen return nvme_identify_ctrl_csi(n, req); 502088eea45cSKlaus Jensen case NVME_ID_CNS_NS_ACTIVE_LIST: 502188eea45cSKlaus Jensen return nvme_identify_nslist(n, req, true); 502288eea45cSKlaus Jensen case NVME_ID_CNS_NS_PRESENT_LIST: 502388eea45cSKlaus Jensen return nvme_identify_nslist(n, req, false); 502488eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_ACTIVE_LIST: 502588eea45cSKlaus Jensen return nvme_identify_nslist_csi(n, req, true); 502688eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_PRESENT_LIST: 502788eea45cSKlaus Jensen return nvme_identify_nslist_csi(n, req, false); 502888eea45cSKlaus Jensen case NVME_ID_CNS_NS_DESCR_LIST: 502988eea45cSKlaus Jensen return nvme_identify_ns_descr_list(n, req); 503088eea45cSKlaus Jensen case NVME_ID_CNS_IO_COMMAND_SET: 503188eea45cSKlaus Jensen return nvme_identify_cmd_set(n, req); 503288eea45cSKlaus Jensen default: 503388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_identify_cns(le32_to_cpu(c->cns)); 503488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 503588eea45cSKlaus Jensen } 503688eea45cSKlaus Jensen } 503788eea45cSKlaus Jensen 503888eea45cSKlaus Jensen static uint16_t nvme_abort(NvmeCtrl *n, NvmeRequest *req) 503988eea45cSKlaus Jensen { 504088eea45cSKlaus Jensen uint16_t sqid = le32_to_cpu(req->cmd.cdw10) & 0xffff; 504188eea45cSKlaus Jensen 504288eea45cSKlaus Jensen req->cqe.result = 1; 504388eea45cSKlaus Jensen if (nvme_check_sqid(n, sqid)) { 504488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 504588eea45cSKlaus Jensen } 504688eea45cSKlaus Jensen 504788eea45cSKlaus Jensen return NVME_SUCCESS; 504888eea45cSKlaus Jensen } 504988eea45cSKlaus Jensen 505088eea45cSKlaus Jensen static inline void nvme_set_timestamp(NvmeCtrl *n, uint64_t ts) 505188eea45cSKlaus Jensen { 505288eea45cSKlaus Jensen trace_pci_nvme_setfeat_timestamp(ts); 505388eea45cSKlaus Jensen 505488eea45cSKlaus Jensen n->host_timestamp = le64_to_cpu(ts); 505588eea45cSKlaus Jensen n->timestamp_set_qemu_clock_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 505688eea45cSKlaus Jensen } 505788eea45cSKlaus Jensen 505888eea45cSKlaus Jensen static inline uint64_t nvme_get_timestamp(const NvmeCtrl *n) 505988eea45cSKlaus Jensen { 506088eea45cSKlaus Jensen uint64_t current_time = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 506188eea45cSKlaus Jensen uint64_t elapsed_time = current_time - n->timestamp_set_qemu_clock_ms; 506288eea45cSKlaus Jensen 506388eea45cSKlaus Jensen union nvme_timestamp { 506488eea45cSKlaus Jensen struct { 506588eea45cSKlaus Jensen uint64_t timestamp:48; 506688eea45cSKlaus Jensen uint64_t sync:1; 506788eea45cSKlaus Jensen uint64_t origin:3; 506888eea45cSKlaus Jensen uint64_t rsvd1:12; 506988eea45cSKlaus Jensen }; 507088eea45cSKlaus Jensen uint64_t all; 507188eea45cSKlaus Jensen }; 507288eea45cSKlaus Jensen 507388eea45cSKlaus Jensen union nvme_timestamp ts; 507488eea45cSKlaus Jensen ts.all = 0; 507588eea45cSKlaus Jensen ts.timestamp = n->host_timestamp + elapsed_time; 507688eea45cSKlaus Jensen 507788eea45cSKlaus Jensen /* If the host timestamp is non-zero, set the timestamp origin */ 507888eea45cSKlaus Jensen ts.origin = n->host_timestamp ? 0x01 : 0x00; 507988eea45cSKlaus Jensen 508088eea45cSKlaus Jensen trace_pci_nvme_getfeat_timestamp(ts.all); 508188eea45cSKlaus Jensen 508288eea45cSKlaus Jensen return cpu_to_le64(ts.all); 508388eea45cSKlaus Jensen } 508488eea45cSKlaus Jensen 508588eea45cSKlaus Jensen static uint16_t nvme_get_feature_timestamp(NvmeCtrl *n, NvmeRequest *req) 508688eea45cSKlaus Jensen { 508788eea45cSKlaus Jensen uint64_t timestamp = nvme_get_timestamp(n); 508888eea45cSKlaus Jensen 508988eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)×tamp, sizeof(timestamp), req); 509088eea45cSKlaus Jensen } 509188eea45cSKlaus Jensen 509288eea45cSKlaus Jensen static uint16_t nvme_get_feature(NvmeCtrl *n, NvmeRequest *req) 509388eea45cSKlaus Jensen { 509488eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 509588eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 509688eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 509788eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(cmd->nsid); 509888eea45cSKlaus Jensen uint32_t result; 509988eea45cSKlaus Jensen uint8_t fid = NVME_GETSETFEAT_FID(dw10); 510088eea45cSKlaus Jensen NvmeGetFeatureSelect sel = NVME_GETFEAT_SELECT(dw10); 510188eea45cSKlaus Jensen uint16_t iv; 510288eea45cSKlaus Jensen NvmeNamespace *ns; 510388eea45cSKlaus Jensen int i; 510488eea45cSKlaus Jensen 510588eea45cSKlaus Jensen static const uint32_t nvme_feature_default[NVME_FID_MAX] = { 510688eea45cSKlaus Jensen [NVME_ARBITRATION] = NVME_ARB_AB_NOLIMIT, 510788eea45cSKlaus Jensen }; 510888eea45cSKlaus Jensen 510988eea45cSKlaus Jensen trace_pci_nvme_getfeat(nvme_cid(req), nsid, fid, sel, dw11); 511088eea45cSKlaus Jensen 511188eea45cSKlaus Jensen if (!nvme_feature_support[fid]) { 511288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 511388eea45cSKlaus Jensen } 511488eea45cSKlaus Jensen 511588eea45cSKlaus Jensen if (nvme_feature_cap[fid] & NVME_FEAT_CAP_NS) { 511688eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 511788eea45cSKlaus Jensen /* 511888eea45cSKlaus Jensen * The Reservation Notification Mask and Reservation Persistence 511988eea45cSKlaus Jensen * features require a status code of Invalid Field in Command when 512088eea45cSKlaus Jensen * NSID is FFFFFFFFh. Since the device does not support those 512188eea45cSKlaus Jensen * features we can always return Invalid Namespace or Format as we 512288eea45cSKlaus Jensen * should do for all other features. 512388eea45cSKlaus Jensen */ 512488eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 512588eea45cSKlaus Jensen } 512688eea45cSKlaus Jensen 512788eea45cSKlaus Jensen if (!nvme_ns(n, nsid)) { 512888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 512988eea45cSKlaus Jensen } 513088eea45cSKlaus Jensen } 513188eea45cSKlaus Jensen 513288eea45cSKlaus Jensen switch (sel) { 513388eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_CURRENT: 513488eea45cSKlaus Jensen break; 513588eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_SAVED: 513688eea45cSKlaus Jensen /* no features are saveable by the controller; fallthrough */ 513788eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_DEFAULT: 513888eea45cSKlaus Jensen goto defaults; 513988eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_CAP: 514088eea45cSKlaus Jensen result = nvme_feature_cap[fid]; 514188eea45cSKlaus Jensen goto out; 514288eea45cSKlaus Jensen } 514388eea45cSKlaus Jensen 514488eea45cSKlaus Jensen switch (fid) { 514588eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 514688eea45cSKlaus Jensen result = 0; 514788eea45cSKlaus Jensen 514888eea45cSKlaus Jensen /* 514988eea45cSKlaus Jensen * The controller only implements the Composite Temperature sensor, so 515088eea45cSKlaus Jensen * return 0 for all other sensors. 515188eea45cSKlaus Jensen */ 515288eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 515388eea45cSKlaus Jensen goto out; 515488eea45cSKlaus Jensen } 515588eea45cSKlaus Jensen 515688eea45cSKlaus Jensen switch (NVME_TEMP_THSEL(dw11)) { 515788eea45cSKlaus Jensen case NVME_TEMP_THSEL_OVER: 515888eea45cSKlaus Jensen result = n->features.temp_thresh_hi; 515988eea45cSKlaus Jensen goto out; 516088eea45cSKlaus Jensen case NVME_TEMP_THSEL_UNDER: 516188eea45cSKlaus Jensen result = n->features.temp_thresh_low; 516288eea45cSKlaus Jensen goto out; 516388eea45cSKlaus Jensen } 516488eea45cSKlaus Jensen 516588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 516688eea45cSKlaus Jensen case NVME_ERROR_RECOVERY: 516788eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 516888eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 516988eea45cSKlaus Jensen } 517088eea45cSKlaus Jensen 517188eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 517288eea45cSKlaus Jensen if (unlikely(!ns)) { 517388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 517488eea45cSKlaus Jensen } 517588eea45cSKlaus Jensen 517688eea45cSKlaus Jensen result = ns->features.err_rec; 517788eea45cSKlaus Jensen goto out; 517888eea45cSKlaus Jensen case NVME_VOLATILE_WRITE_CACHE: 517988eea45cSKlaus Jensen result = 0; 518088eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 518188eea45cSKlaus Jensen ns = nvme_ns(n, i); 518288eea45cSKlaus Jensen if (!ns) { 518388eea45cSKlaus Jensen continue; 518488eea45cSKlaus Jensen } 518588eea45cSKlaus Jensen 518688eea45cSKlaus Jensen result = blk_enable_write_cache(ns->blkconf.blk); 518788eea45cSKlaus Jensen if (result) { 518888eea45cSKlaus Jensen break; 518988eea45cSKlaus Jensen } 519088eea45cSKlaus Jensen } 519188eea45cSKlaus Jensen trace_pci_nvme_getfeat_vwcache(result ? "enabled" : "disabled"); 519288eea45cSKlaus Jensen goto out; 519388eea45cSKlaus Jensen case NVME_ASYNCHRONOUS_EVENT_CONF: 519488eea45cSKlaus Jensen result = n->features.async_config; 519588eea45cSKlaus Jensen goto out; 519688eea45cSKlaus Jensen case NVME_TIMESTAMP: 519788eea45cSKlaus Jensen return nvme_get_feature_timestamp(n, req); 5198d0c0697bSNaveen Nagar case NVME_HOST_BEHAVIOR_SUPPORT: 5199d0c0697bSNaveen Nagar return nvme_c2h(n, (uint8_t *)&n->features.hbs, 5200d0c0697bSNaveen Nagar sizeof(n->features.hbs), req); 520188eea45cSKlaus Jensen default: 520288eea45cSKlaus Jensen break; 520388eea45cSKlaus Jensen } 520488eea45cSKlaus Jensen 520588eea45cSKlaus Jensen defaults: 520688eea45cSKlaus Jensen switch (fid) { 520788eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 520888eea45cSKlaus Jensen result = 0; 520988eea45cSKlaus Jensen 521088eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 521188eea45cSKlaus Jensen break; 521288eea45cSKlaus Jensen } 521388eea45cSKlaus Jensen 521488eea45cSKlaus Jensen if (NVME_TEMP_THSEL(dw11) == NVME_TEMP_THSEL_OVER) { 521588eea45cSKlaus Jensen result = NVME_TEMPERATURE_WARNING; 521688eea45cSKlaus Jensen } 521788eea45cSKlaus Jensen 521888eea45cSKlaus Jensen break; 521988eea45cSKlaus Jensen case NVME_NUMBER_OF_QUEUES: 522088eea45cSKlaus Jensen result = (n->params.max_ioqpairs - 1) | 522188eea45cSKlaus Jensen ((n->params.max_ioqpairs - 1) << 16); 522288eea45cSKlaus Jensen trace_pci_nvme_getfeat_numq(result); 522388eea45cSKlaus Jensen break; 522488eea45cSKlaus Jensen case NVME_INTERRUPT_VECTOR_CONF: 522588eea45cSKlaus Jensen iv = dw11 & 0xffff; 522688eea45cSKlaus Jensen if (iv >= n->params.max_ioqpairs + 1) { 522788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 522888eea45cSKlaus Jensen } 522988eea45cSKlaus Jensen 523088eea45cSKlaus Jensen result = iv; 523188eea45cSKlaus Jensen if (iv == n->admin_cq.vector) { 523288eea45cSKlaus Jensen result |= NVME_INTVC_NOCOALESCING; 523388eea45cSKlaus Jensen } 523488eea45cSKlaus Jensen break; 523588eea45cSKlaus Jensen default: 523688eea45cSKlaus Jensen result = nvme_feature_default[fid]; 523788eea45cSKlaus Jensen break; 523888eea45cSKlaus Jensen } 523988eea45cSKlaus Jensen 524088eea45cSKlaus Jensen out: 524188eea45cSKlaus Jensen req->cqe.result = cpu_to_le32(result); 524288eea45cSKlaus Jensen return NVME_SUCCESS; 524388eea45cSKlaus Jensen } 524488eea45cSKlaus Jensen 524588eea45cSKlaus Jensen static uint16_t nvme_set_feature_timestamp(NvmeCtrl *n, NvmeRequest *req) 524688eea45cSKlaus Jensen { 524788eea45cSKlaus Jensen uint16_t ret; 524888eea45cSKlaus Jensen uint64_t timestamp; 524988eea45cSKlaus Jensen 525088eea45cSKlaus Jensen ret = nvme_h2c(n, (uint8_t *)×tamp, sizeof(timestamp), req); 525188eea45cSKlaus Jensen if (ret) { 525288eea45cSKlaus Jensen return ret; 525388eea45cSKlaus Jensen } 525488eea45cSKlaus Jensen 525588eea45cSKlaus Jensen nvme_set_timestamp(n, timestamp); 525688eea45cSKlaus Jensen 525788eea45cSKlaus Jensen return NVME_SUCCESS; 525888eea45cSKlaus Jensen } 525988eea45cSKlaus Jensen 526088eea45cSKlaus Jensen static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeRequest *req) 526188eea45cSKlaus Jensen { 526288eea45cSKlaus Jensen NvmeNamespace *ns = NULL; 526388eea45cSKlaus Jensen 526488eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 526588eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 526688eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 526788eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(cmd->nsid); 526888eea45cSKlaus Jensen uint8_t fid = NVME_GETSETFEAT_FID(dw10); 526988eea45cSKlaus Jensen uint8_t save = NVME_SETFEAT_SAVE(dw10); 5270763c05dfSNaveen Nagar uint16_t status; 527188eea45cSKlaus Jensen int i; 527288eea45cSKlaus Jensen 527388eea45cSKlaus Jensen trace_pci_nvme_setfeat(nvme_cid(req), nsid, fid, save, dw11); 527488eea45cSKlaus Jensen 527588eea45cSKlaus Jensen if (save && !(nvme_feature_cap[fid] & NVME_FEAT_CAP_SAVE)) { 527688eea45cSKlaus Jensen return NVME_FID_NOT_SAVEABLE | NVME_DNR; 527788eea45cSKlaus Jensen } 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 (nsid != NVME_NSID_BROADCAST) { 528588eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 528688eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 528788eea45cSKlaus Jensen } 528888eea45cSKlaus Jensen 528988eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 529088eea45cSKlaus Jensen if (unlikely(!ns)) { 529188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 529288eea45cSKlaus Jensen } 529388eea45cSKlaus Jensen } 529488eea45cSKlaus Jensen } else if (nsid && nsid != NVME_NSID_BROADCAST) { 529588eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 529688eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 529788eea45cSKlaus Jensen } 529888eea45cSKlaus Jensen 529988eea45cSKlaus Jensen return NVME_FEAT_NOT_NS_SPEC | NVME_DNR; 530088eea45cSKlaus Jensen } 530188eea45cSKlaus Jensen 530288eea45cSKlaus Jensen if (!(nvme_feature_cap[fid] & NVME_FEAT_CAP_CHANGE)) { 530388eea45cSKlaus Jensen return NVME_FEAT_NOT_CHANGEABLE | NVME_DNR; 530488eea45cSKlaus Jensen } 530588eea45cSKlaus Jensen 530688eea45cSKlaus Jensen switch (fid) { 530788eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 530888eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 530988eea45cSKlaus Jensen break; 531088eea45cSKlaus Jensen } 531188eea45cSKlaus Jensen 531288eea45cSKlaus Jensen switch (NVME_TEMP_THSEL(dw11)) { 531388eea45cSKlaus Jensen case NVME_TEMP_THSEL_OVER: 531488eea45cSKlaus Jensen n->features.temp_thresh_hi = NVME_TEMP_TMPTH(dw11); 531588eea45cSKlaus Jensen break; 531688eea45cSKlaus Jensen case NVME_TEMP_THSEL_UNDER: 531788eea45cSKlaus Jensen n->features.temp_thresh_low = NVME_TEMP_TMPTH(dw11); 531888eea45cSKlaus Jensen break; 531988eea45cSKlaus Jensen default: 532088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 532188eea45cSKlaus Jensen } 532288eea45cSKlaus Jensen 532388eea45cSKlaus Jensen if ((n->temperature >= n->features.temp_thresh_hi) || 532488eea45cSKlaus Jensen (n->temperature <= n->features.temp_thresh_low)) { 53259235a72aSKlaus Jensen nvme_smart_event(n, NVME_SMART_TEMPERATURE); 532688eea45cSKlaus Jensen } 532788eea45cSKlaus Jensen 532888eea45cSKlaus Jensen break; 532988eea45cSKlaus Jensen case NVME_ERROR_RECOVERY: 533088eea45cSKlaus Jensen if (nsid == NVME_NSID_BROADCAST) { 533188eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 533288eea45cSKlaus Jensen ns = nvme_ns(n, i); 533388eea45cSKlaus Jensen 533488eea45cSKlaus Jensen if (!ns) { 533588eea45cSKlaus Jensen continue; 533688eea45cSKlaus Jensen } 533788eea45cSKlaus Jensen 533888eea45cSKlaus Jensen if (NVME_ID_NS_NSFEAT_DULBE(ns->id_ns.nsfeat)) { 533988eea45cSKlaus Jensen ns->features.err_rec = dw11; 534088eea45cSKlaus Jensen } 534188eea45cSKlaus Jensen } 534288eea45cSKlaus Jensen 534388eea45cSKlaus Jensen break; 534488eea45cSKlaus Jensen } 534588eea45cSKlaus Jensen 534688eea45cSKlaus Jensen assert(ns); 534788eea45cSKlaus Jensen if (NVME_ID_NS_NSFEAT_DULBE(ns->id_ns.nsfeat)) { 534888eea45cSKlaus Jensen ns->features.err_rec = dw11; 534988eea45cSKlaus Jensen } 535088eea45cSKlaus Jensen break; 535188eea45cSKlaus Jensen case NVME_VOLATILE_WRITE_CACHE: 535288eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 535388eea45cSKlaus Jensen ns = nvme_ns(n, i); 535488eea45cSKlaus Jensen if (!ns) { 535588eea45cSKlaus Jensen continue; 535688eea45cSKlaus Jensen } 535788eea45cSKlaus Jensen 535888eea45cSKlaus Jensen if (!(dw11 & 0x1) && blk_enable_write_cache(ns->blkconf.blk)) { 535988eea45cSKlaus Jensen blk_flush(ns->blkconf.blk); 536088eea45cSKlaus Jensen } 536188eea45cSKlaus Jensen 536288eea45cSKlaus Jensen blk_set_enable_write_cache(ns->blkconf.blk, dw11 & 1); 536388eea45cSKlaus Jensen } 536488eea45cSKlaus Jensen 536588eea45cSKlaus Jensen break; 536688eea45cSKlaus Jensen 536788eea45cSKlaus Jensen case NVME_NUMBER_OF_QUEUES: 536888eea45cSKlaus Jensen if (n->qs_created) { 536988eea45cSKlaus Jensen return NVME_CMD_SEQ_ERROR | NVME_DNR; 537088eea45cSKlaus Jensen } 537188eea45cSKlaus Jensen 537288eea45cSKlaus Jensen /* 537388eea45cSKlaus Jensen * NVMe v1.3, Section 5.21.1.7: FFFFh is not an allowed value for NCQR 537488eea45cSKlaus Jensen * and NSQR. 537588eea45cSKlaus Jensen */ 537688eea45cSKlaus Jensen if ((dw11 & 0xffff) == 0xffff || ((dw11 >> 16) & 0xffff) == 0xffff) { 537788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 537888eea45cSKlaus Jensen } 537988eea45cSKlaus Jensen 538088eea45cSKlaus Jensen trace_pci_nvme_setfeat_numq((dw11 & 0xffff) + 1, 538188eea45cSKlaus Jensen ((dw11 >> 16) & 0xffff) + 1, 538288eea45cSKlaus Jensen n->params.max_ioqpairs, 538388eea45cSKlaus Jensen n->params.max_ioqpairs); 538488eea45cSKlaus Jensen req->cqe.result = cpu_to_le32((n->params.max_ioqpairs - 1) | 538588eea45cSKlaus Jensen ((n->params.max_ioqpairs - 1) << 16)); 538688eea45cSKlaus Jensen break; 538788eea45cSKlaus Jensen case NVME_ASYNCHRONOUS_EVENT_CONF: 538888eea45cSKlaus Jensen n->features.async_config = dw11; 538988eea45cSKlaus Jensen break; 539088eea45cSKlaus Jensen case NVME_TIMESTAMP: 539188eea45cSKlaus Jensen return nvme_set_feature_timestamp(n, req); 5392d0c0697bSNaveen Nagar case NVME_HOST_BEHAVIOR_SUPPORT: 5393763c05dfSNaveen Nagar status = nvme_h2c(n, (uint8_t *)&n->features.hbs, 5394d0c0697bSNaveen Nagar sizeof(n->features.hbs), req); 5395763c05dfSNaveen Nagar if (status) { 5396763c05dfSNaveen Nagar return status; 5397763c05dfSNaveen Nagar } 5398763c05dfSNaveen Nagar 5399763c05dfSNaveen Nagar for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 5400763c05dfSNaveen Nagar ns = nvme_ns(n, i); 5401763c05dfSNaveen Nagar 5402763c05dfSNaveen Nagar if (!ns) { 5403763c05dfSNaveen Nagar continue; 5404763c05dfSNaveen Nagar } 5405763c05dfSNaveen Nagar 5406763c05dfSNaveen Nagar ns->id_ns.nlbaf = ns->nlbaf - 1; 5407763c05dfSNaveen Nagar if (!n->features.hbs.lbafee) { 5408763c05dfSNaveen Nagar ns->id_ns.nlbaf = MIN(ns->id_ns.nlbaf, 15); 5409763c05dfSNaveen Nagar } 5410763c05dfSNaveen Nagar } 5411763c05dfSNaveen Nagar 5412763c05dfSNaveen Nagar return status; 541388eea45cSKlaus Jensen case NVME_COMMAND_SET_PROFILE: 541488eea45cSKlaus Jensen if (dw11 & 0x1ff) { 541588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_iocsci(dw11 & 0x1ff); 541688eea45cSKlaus Jensen return NVME_CMD_SET_CMB_REJECTED | NVME_DNR; 541788eea45cSKlaus Jensen } 541888eea45cSKlaus Jensen break; 541988eea45cSKlaus Jensen default: 542088eea45cSKlaus Jensen return NVME_FEAT_NOT_CHANGEABLE | NVME_DNR; 542188eea45cSKlaus Jensen } 542288eea45cSKlaus Jensen return NVME_SUCCESS; 542388eea45cSKlaus Jensen } 542488eea45cSKlaus Jensen 542588eea45cSKlaus Jensen static uint16_t nvme_aer(NvmeCtrl *n, NvmeRequest *req) 542688eea45cSKlaus Jensen { 542788eea45cSKlaus Jensen trace_pci_nvme_aer(nvme_cid(req)); 542888eea45cSKlaus Jensen 542988eea45cSKlaus Jensen if (n->outstanding_aers > n->params.aerl) { 543088eea45cSKlaus Jensen trace_pci_nvme_aer_aerl_exceeded(); 543188eea45cSKlaus Jensen return NVME_AER_LIMIT_EXCEEDED; 543288eea45cSKlaus Jensen } 543388eea45cSKlaus Jensen 543488eea45cSKlaus Jensen n->aer_reqs[n->outstanding_aers] = req; 543588eea45cSKlaus Jensen n->outstanding_aers++; 543688eea45cSKlaus Jensen 543788eea45cSKlaus Jensen if (!QTAILQ_EMPTY(&n->aer_queue)) { 543888eea45cSKlaus Jensen nvme_process_aers(n); 543988eea45cSKlaus Jensen } 544088eea45cSKlaus Jensen 544188eea45cSKlaus Jensen return NVME_NO_COMPLETE; 544288eea45cSKlaus Jensen } 544388eea45cSKlaus Jensen 544488eea45cSKlaus Jensen static void nvme_update_dmrsl(NvmeCtrl *n) 544588eea45cSKlaus Jensen { 544688eea45cSKlaus Jensen int nsid; 544788eea45cSKlaus Jensen 544888eea45cSKlaus Jensen for (nsid = 1; nsid <= NVME_MAX_NAMESPACES; nsid++) { 544988eea45cSKlaus Jensen NvmeNamespace *ns = nvme_ns(n, nsid); 545088eea45cSKlaus Jensen if (!ns) { 545188eea45cSKlaus Jensen continue; 545288eea45cSKlaus Jensen } 545388eea45cSKlaus Jensen 545488eea45cSKlaus Jensen n->dmrsl = MIN_NON_ZERO(n->dmrsl, 545588eea45cSKlaus Jensen BDRV_REQUEST_MAX_BYTES / nvme_l2b(ns, 1)); 545688eea45cSKlaus Jensen } 545788eea45cSKlaus Jensen } 545888eea45cSKlaus Jensen 545988eea45cSKlaus Jensen static void nvme_select_iocs_ns(NvmeCtrl *n, NvmeNamespace *ns) 546088eea45cSKlaus Jensen { 546149e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 546249e03457SKlaus Jensen 546388eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_none; 546488eea45cSKlaus Jensen switch (ns->csi) { 546588eea45cSKlaus Jensen case NVME_CSI_NVM: 546649e03457SKlaus Jensen if (NVME_CC_CSS(cc) != NVME_CC_CSS_ADMIN_ONLY) { 546788eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_nvm; 546888eea45cSKlaus Jensen } 546988eea45cSKlaus Jensen break; 547088eea45cSKlaus Jensen case NVME_CSI_ZONED: 547149e03457SKlaus Jensen if (NVME_CC_CSS(cc) == NVME_CC_CSS_CSI) { 547288eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_zoned; 547349e03457SKlaus Jensen } else if (NVME_CC_CSS(cc) == NVME_CC_CSS_NVM) { 547488eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_nvm; 547588eea45cSKlaus Jensen } 547688eea45cSKlaus Jensen break; 547788eea45cSKlaus Jensen } 547888eea45cSKlaus Jensen } 547988eea45cSKlaus Jensen 548088eea45cSKlaus Jensen static uint16_t nvme_ns_attachment(NvmeCtrl *n, NvmeRequest *req) 548188eea45cSKlaus Jensen { 548288eea45cSKlaus Jensen NvmeNamespace *ns; 548388eea45cSKlaus Jensen NvmeCtrl *ctrl; 548488eea45cSKlaus Jensen uint16_t list[NVME_CONTROLLER_LIST_SIZE] = {}; 548588eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 548688eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 548707a3dfa7SNaveen Nagar uint8_t sel = dw10 & 0xf; 548888eea45cSKlaus Jensen uint16_t *nr_ids = &list[0]; 548988eea45cSKlaus Jensen uint16_t *ids = &list[1]; 549088eea45cSKlaus Jensen uint16_t ret; 549188eea45cSKlaus Jensen int i; 549288eea45cSKlaus Jensen 549388eea45cSKlaus Jensen trace_pci_nvme_ns_attachment(nvme_cid(req), dw10 & 0xf); 549488eea45cSKlaus Jensen 549588eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 549688eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 549788eea45cSKlaus Jensen } 549888eea45cSKlaus Jensen 549988eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 550088eea45cSKlaus Jensen if (!ns) { 550188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 550288eea45cSKlaus Jensen } 550388eea45cSKlaus Jensen 550488eea45cSKlaus Jensen ret = nvme_h2c(n, (uint8_t *)list, 4096, req); 550588eea45cSKlaus Jensen if (ret) { 550688eea45cSKlaus Jensen return ret; 550788eea45cSKlaus Jensen } 550888eea45cSKlaus Jensen 550988eea45cSKlaus Jensen if (!*nr_ids) { 551088eea45cSKlaus Jensen return NVME_NS_CTRL_LIST_INVALID | NVME_DNR; 551188eea45cSKlaus Jensen } 551288eea45cSKlaus Jensen 551388eea45cSKlaus Jensen *nr_ids = MIN(*nr_ids, NVME_CONTROLLER_LIST_SIZE - 1); 551488eea45cSKlaus Jensen for (i = 0; i < *nr_ids; i++) { 551588eea45cSKlaus Jensen ctrl = nvme_subsys_ctrl(n->subsys, ids[i]); 551688eea45cSKlaus Jensen if (!ctrl) { 551788eea45cSKlaus Jensen return NVME_NS_CTRL_LIST_INVALID | NVME_DNR; 551888eea45cSKlaus Jensen } 551988eea45cSKlaus Jensen 552007a3dfa7SNaveen Nagar switch (sel) { 552107a3dfa7SNaveen Nagar case NVME_NS_ATTACHMENT_ATTACH: 552288eea45cSKlaus Jensen if (nvme_ns(ctrl, nsid)) { 552388eea45cSKlaus Jensen return NVME_NS_ALREADY_ATTACHED | NVME_DNR; 552488eea45cSKlaus Jensen } 552588eea45cSKlaus Jensen 552688eea45cSKlaus Jensen if (ns->attached && !ns->params.shared) { 552788eea45cSKlaus Jensen return NVME_NS_PRIVATE | NVME_DNR; 552888eea45cSKlaus Jensen } 552988eea45cSKlaus Jensen 553088eea45cSKlaus Jensen nvme_attach_ns(ctrl, ns); 553188eea45cSKlaus Jensen nvme_select_iocs_ns(ctrl, ns); 553207a3dfa7SNaveen Nagar 553307a3dfa7SNaveen Nagar break; 553407a3dfa7SNaveen Nagar 553507a3dfa7SNaveen Nagar case NVME_NS_ATTACHMENT_DETACH: 553688eea45cSKlaus Jensen if (!nvme_ns(ctrl, nsid)) { 553788eea45cSKlaus Jensen return NVME_NS_NOT_ATTACHED | NVME_DNR; 553888eea45cSKlaus Jensen } 553988eea45cSKlaus Jensen 554088eea45cSKlaus Jensen ctrl->namespaces[nsid] = NULL; 554188eea45cSKlaus Jensen ns->attached--; 554288eea45cSKlaus Jensen 554388eea45cSKlaus Jensen nvme_update_dmrsl(ctrl); 554407a3dfa7SNaveen Nagar 554507a3dfa7SNaveen Nagar break; 554607a3dfa7SNaveen Nagar 554707a3dfa7SNaveen Nagar default: 554807a3dfa7SNaveen Nagar return NVME_INVALID_FIELD | NVME_DNR; 554988eea45cSKlaus Jensen } 555088eea45cSKlaus Jensen 555188eea45cSKlaus Jensen /* 555288eea45cSKlaus Jensen * Add namespace id to the changed namespace id list for event clearing 555388eea45cSKlaus Jensen * via Get Log Page command. 555488eea45cSKlaus Jensen */ 555588eea45cSKlaus Jensen if (!test_and_set_bit(nsid, ctrl->changed_nsids)) { 555688eea45cSKlaus Jensen nvme_enqueue_event(ctrl, NVME_AER_TYPE_NOTICE, 555788eea45cSKlaus Jensen NVME_AER_INFO_NOTICE_NS_ATTR_CHANGED, 555888eea45cSKlaus Jensen NVME_LOG_CHANGED_NSLIST); 555988eea45cSKlaus Jensen } 556088eea45cSKlaus Jensen } 556188eea45cSKlaus Jensen 556288eea45cSKlaus Jensen return NVME_SUCCESS; 556388eea45cSKlaus Jensen } 556488eea45cSKlaus Jensen 55653bcf26d3SKlaus Jensen typedef struct NvmeFormatAIOCB { 55663bcf26d3SKlaus Jensen BlockAIOCB common; 55673bcf26d3SKlaus Jensen BlockAIOCB *aiocb; 55683bcf26d3SKlaus Jensen QEMUBH *bh; 55693bcf26d3SKlaus Jensen NvmeRequest *req; 55703bcf26d3SKlaus Jensen int ret; 557188eea45cSKlaus Jensen 55723bcf26d3SKlaus Jensen NvmeNamespace *ns; 55733bcf26d3SKlaus Jensen uint32_t nsid; 55743bcf26d3SKlaus Jensen bool broadcast; 55753bcf26d3SKlaus Jensen int64_t offset; 5576a6de6ed5SKlaus Jensen 5577a6de6ed5SKlaus Jensen uint8_t lbaf; 5578a6de6ed5SKlaus Jensen uint8_t mset; 5579a6de6ed5SKlaus Jensen uint8_t pi; 5580a6de6ed5SKlaus Jensen uint8_t pil; 55813bcf26d3SKlaus Jensen } NvmeFormatAIOCB; 55823bcf26d3SKlaus Jensen 55833bcf26d3SKlaus Jensen static void nvme_format_bh(void *opaque); 55843bcf26d3SKlaus Jensen 55853bcf26d3SKlaus Jensen static void nvme_format_cancel(BlockAIOCB *aiocb) 55863bcf26d3SKlaus Jensen { 55873bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = container_of(aiocb, NvmeFormatAIOCB, common); 55883bcf26d3SKlaus Jensen 55893bcf26d3SKlaus Jensen if (iocb->aiocb) { 55903bcf26d3SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 55913bcf26d3SKlaus Jensen } 55923bcf26d3SKlaus Jensen } 55933bcf26d3SKlaus Jensen 55943bcf26d3SKlaus Jensen static const AIOCBInfo nvme_format_aiocb_info = { 55953bcf26d3SKlaus Jensen .aiocb_size = sizeof(NvmeFormatAIOCB), 55963bcf26d3SKlaus Jensen .cancel_async = nvme_format_cancel, 55973bcf26d3SKlaus Jensen .get_aio_context = nvme_get_aio_context, 55983bcf26d3SKlaus Jensen }; 55993bcf26d3SKlaus Jensen 5600a6de6ed5SKlaus Jensen static void nvme_format_set(NvmeNamespace *ns, uint8_t lbaf, uint8_t mset, 5601a6de6ed5SKlaus Jensen uint8_t pi, uint8_t pil) 56023bcf26d3SKlaus Jensen { 5603763c05dfSNaveen Nagar uint8_t lbafl = lbaf & 0xf; 5604763c05dfSNaveen Nagar uint8_t lbafu = lbaf >> 4; 5605763c05dfSNaveen Nagar 56063bcf26d3SKlaus Jensen trace_pci_nvme_format_set(ns->params.nsid, lbaf, mset, pi, pil); 56073bcf26d3SKlaus Jensen 56083bcf26d3SKlaus Jensen ns->id_ns.dps = (pil << 3) | pi; 5609763c05dfSNaveen Nagar ns->id_ns.flbas = (lbafu << 5) | (mset << 4) | lbafl; 56103bcf26d3SKlaus Jensen 56113bcf26d3SKlaus Jensen nvme_ns_init_format(ns); 56123bcf26d3SKlaus Jensen } 56133bcf26d3SKlaus Jensen 56143bcf26d3SKlaus Jensen static void nvme_format_ns_cb(void *opaque, int ret) 56153bcf26d3SKlaus Jensen { 56163bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = opaque; 56173bcf26d3SKlaus Jensen NvmeNamespace *ns = iocb->ns; 56183bcf26d3SKlaus Jensen int bytes; 56193bcf26d3SKlaus Jensen 56203bcf26d3SKlaus Jensen if (ret < 0) { 56213bcf26d3SKlaus Jensen iocb->ret = ret; 56223bcf26d3SKlaus Jensen goto done; 56233bcf26d3SKlaus Jensen } 56243bcf26d3SKlaus Jensen 56253bcf26d3SKlaus Jensen assert(ns); 56263bcf26d3SKlaus Jensen 56273bcf26d3SKlaus Jensen if (iocb->offset < ns->size) { 56283bcf26d3SKlaus Jensen bytes = MIN(BDRV_REQUEST_MAX_BYTES, ns->size - iocb->offset); 56293bcf26d3SKlaus Jensen 56303bcf26d3SKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, iocb->offset, 56313bcf26d3SKlaus Jensen bytes, BDRV_REQ_MAY_UNMAP, 56323bcf26d3SKlaus Jensen nvme_format_ns_cb, iocb); 56333bcf26d3SKlaus Jensen 56343bcf26d3SKlaus Jensen iocb->offset += bytes; 56353bcf26d3SKlaus Jensen return; 56363bcf26d3SKlaus Jensen } 56373bcf26d3SKlaus Jensen 5638a6de6ed5SKlaus Jensen nvme_format_set(ns, iocb->lbaf, iocb->mset, iocb->pi, iocb->pil); 56393bcf26d3SKlaus Jensen ns->status = 0x0; 56403bcf26d3SKlaus Jensen iocb->ns = NULL; 56413bcf26d3SKlaus Jensen iocb->offset = 0; 56423bcf26d3SKlaus Jensen 56433bcf26d3SKlaus Jensen done: 56443bcf26d3SKlaus Jensen iocb->aiocb = NULL; 56453bcf26d3SKlaus Jensen qemu_bh_schedule(iocb->bh); 56463bcf26d3SKlaus Jensen } 56473bcf26d3SKlaus Jensen 56483bcf26d3SKlaus Jensen static uint16_t nvme_format_check(NvmeNamespace *ns, uint8_t lbaf, uint8_t pi) 56493bcf26d3SKlaus Jensen { 565088eea45cSKlaus Jensen if (ns->params.zoned) { 565188eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 565288eea45cSKlaus Jensen } 565388eea45cSKlaus Jensen 565488eea45cSKlaus Jensen if (lbaf > ns->id_ns.nlbaf) { 565588eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 565688eea45cSKlaus Jensen } 565788eea45cSKlaus Jensen 5658ac0b34c5SKlaus Jensen if (pi && (ns->id_ns.lbaf[lbaf].ms < nvme_pi_tuple_size(ns))) { 565988eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 566088eea45cSKlaus Jensen } 566188eea45cSKlaus Jensen 566288eea45cSKlaus Jensen if (pi && pi > NVME_ID_NS_DPS_TYPE_3) { 566388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 566488eea45cSKlaus Jensen } 566588eea45cSKlaus Jensen 566688eea45cSKlaus Jensen return NVME_SUCCESS; 566788eea45cSKlaus Jensen } 566888eea45cSKlaus Jensen 56693bcf26d3SKlaus Jensen static void nvme_format_bh(void *opaque) 567088eea45cSKlaus Jensen { 56713bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = opaque; 56723bcf26d3SKlaus Jensen NvmeRequest *req = iocb->req; 56733bcf26d3SKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 567444219b60SNaveen Nagar uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 567544219b60SNaveen Nagar uint8_t lbaf = dw10 & 0xf; 567644219b60SNaveen Nagar uint8_t pi = (dw10 >> 5) & 0x7; 567788eea45cSKlaus Jensen uint16_t status; 567888eea45cSKlaus Jensen int i; 567988eea45cSKlaus Jensen 56803bcf26d3SKlaus Jensen if (iocb->ret < 0) { 56813bcf26d3SKlaus Jensen goto done; 568288eea45cSKlaus Jensen } 568388eea45cSKlaus Jensen 56843bcf26d3SKlaus Jensen if (iocb->broadcast) { 56853bcf26d3SKlaus Jensen for (i = iocb->nsid + 1; i <= NVME_MAX_NAMESPACES; i++) { 56863bcf26d3SKlaus Jensen iocb->ns = nvme_ns(n, i); 56873bcf26d3SKlaus Jensen if (iocb->ns) { 56883bcf26d3SKlaus Jensen iocb->nsid = i; 568988eea45cSKlaus Jensen break; 569088eea45cSKlaus Jensen } 569188eea45cSKlaus Jensen } 569288eea45cSKlaus Jensen } 569388eea45cSKlaus Jensen 56943bcf26d3SKlaus Jensen if (!iocb->ns) { 56953bcf26d3SKlaus Jensen goto done; 569688eea45cSKlaus Jensen } 569788eea45cSKlaus Jensen 569844219b60SNaveen Nagar status = nvme_format_check(iocb->ns, lbaf, pi); 56993bcf26d3SKlaus Jensen if (status) { 57003bcf26d3SKlaus Jensen req->status = status; 57013bcf26d3SKlaus Jensen goto done; 57023bcf26d3SKlaus Jensen } 57033bcf26d3SKlaus Jensen 57043bcf26d3SKlaus Jensen iocb->ns->status = NVME_FORMAT_IN_PROGRESS; 57053bcf26d3SKlaus Jensen nvme_format_ns_cb(iocb, 0); 57063bcf26d3SKlaus Jensen return; 57073bcf26d3SKlaus Jensen 57083bcf26d3SKlaus Jensen done: 57093bcf26d3SKlaus Jensen qemu_bh_delete(iocb->bh); 57103bcf26d3SKlaus Jensen iocb->bh = NULL; 57113bcf26d3SKlaus Jensen 57123bcf26d3SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 57133bcf26d3SKlaus Jensen 57143bcf26d3SKlaus Jensen qemu_aio_unref(iocb); 57153bcf26d3SKlaus Jensen } 57163bcf26d3SKlaus Jensen 57173bcf26d3SKlaus Jensen static uint16_t nvme_format(NvmeCtrl *n, NvmeRequest *req) 57183bcf26d3SKlaus Jensen { 57193bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb; 57203bcf26d3SKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 5721a6de6ed5SKlaus Jensen uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 5722a6de6ed5SKlaus Jensen uint8_t lbaf = dw10 & 0xf; 5723a6de6ed5SKlaus Jensen uint8_t mset = (dw10 >> 4) & 0x1; 5724a6de6ed5SKlaus Jensen uint8_t pi = (dw10 >> 5) & 0x7; 5725a6de6ed5SKlaus Jensen uint8_t pil = (dw10 >> 8) & 0x1; 5726763c05dfSNaveen Nagar uint8_t lbafu = (dw10 >> 12) & 0x3; 57273bcf26d3SKlaus Jensen uint16_t status; 57283bcf26d3SKlaus Jensen 57293bcf26d3SKlaus Jensen iocb = qemu_aio_get(&nvme_format_aiocb_info, NULL, nvme_misc_cb, req); 57303bcf26d3SKlaus Jensen 57313bcf26d3SKlaus Jensen iocb->req = req; 57323bcf26d3SKlaus Jensen iocb->bh = qemu_bh_new(nvme_format_bh, iocb); 57333bcf26d3SKlaus Jensen iocb->ret = 0; 57343bcf26d3SKlaus Jensen iocb->ns = NULL; 57353bcf26d3SKlaus Jensen iocb->nsid = 0; 5736a6de6ed5SKlaus Jensen iocb->lbaf = lbaf; 5737a6de6ed5SKlaus Jensen iocb->mset = mset; 5738a6de6ed5SKlaus Jensen iocb->pi = pi; 5739a6de6ed5SKlaus Jensen iocb->pil = pil; 57403bcf26d3SKlaus Jensen iocb->broadcast = (nsid == NVME_NSID_BROADCAST); 57413bcf26d3SKlaus Jensen iocb->offset = 0; 57423bcf26d3SKlaus Jensen 5743763c05dfSNaveen Nagar if (n->features.hbs.lbafee) { 5744763c05dfSNaveen Nagar iocb->lbaf |= lbafu << 4; 5745763c05dfSNaveen Nagar } 5746763c05dfSNaveen Nagar 57473bcf26d3SKlaus Jensen if (!iocb->broadcast) { 57483bcf26d3SKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 57493bcf26d3SKlaus Jensen status = NVME_INVALID_NSID | NVME_DNR; 57503bcf26d3SKlaus Jensen goto out; 57513bcf26d3SKlaus Jensen } 57523bcf26d3SKlaus Jensen 57533bcf26d3SKlaus Jensen iocb->ns = nvme_ns(n, nsid); 57543bcf26d3SKlaus Jensen if (!iocb->ns) { 57553bcf26d3SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 57563bcf26d3SKlaus Jensen goto out; 57573bcf26d3SKlaus Jensen } 57583bcf26d3SKlaus Jensen } 57593bcf26d3SKlaus Jensen 57603bcf26d3SKlaus Jensen req->aiocb = &iocb->common; 57613bcf26d3SKlaus Jensen qemu_bh_schedule(iocb->bh); 57623bcf26d3SKlaus Jensen 57633bcf26d3SKlaus Jensen return NVME_NO_COMPLETE; 57643bcf26d3SKlaus Jensen 57653bcf26d3SKlaus Jensen out: 57663bcf26d3SKlaus Jensen qemu_bh_delete(iocb->bh); 57673bcf26d3SKlaus Jensen iocb->bh = NULL; 57683bcf26d3SKlaus Jensen qemu_aio_unref(iocb); 57693bcf26d3SKlaus Jensen return status; 577088eea45cSKlaus Jensen } 577188eea45cSKlaus Jensen 577288eea45cSKlaus Jensen static uint16_t nvme_admin_cmd(NvmeCtrl *n, NvmeRequest *req) 577388eea45cSKlaus Jensen { 577488eea45cSKlaus Jensen trace_pci_nvme_admin_cmd(nvme_cid(req), nvme_sqid(req), req->cmd.opcode, 577588eea45cSKlaus Jensen nvme_adm_opc_str(req->cmd.opcode)); 577688eea45cSKlaus Jensen 577788eea45cSKlaus Jensen if (!(nvme_cse_acs[req->cmd.opcode] & NVME_CMD_EFF_CSUPP)) { 577888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_admin_opc(req->cmd.opcode); 577988eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 578088eea45cSKlaus Jensen } 578188eea45cSKlaus Jensen 578288eea45cSKlaus Jensen /* SGLs shall not be used for Admin commands in NVMe over PCIe */ 578388eea45cSKlaus Jensen if (NVME_CMD_FLAGS_PSDT(req->cmd.flags) != NVME_PSDT_PRP) { 578488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 578588eea45cSKlaus Jensen } 578688eea45cSKlaus Jensen 5787c53a9a91SPankaj Raghav if (NVME_CMD_FLAGS_FUSE(req->cmd.flags)) { 5788c53a9a91SPankaj Raghav return NVME_INVALID_FIELD; 5789c53a9a91SPankaj Raghav } 5790c53a9a91SPankaj Raghav 579188eea45cSKlaus Jensen switch (req->cmd.opcode) { 579288eea45cSKlaus Jensen case NVME_ADM_CMD_DELETE_SQ: 579388eea45cSKlaus Jensen return nvme_del_sq(n, req); 579488eea45cSKlaus Jensen case NVME_ADM_CMD_CREATE_SQ: 579588eea45cSKlaus Jensen return nvme_create_sq(n, req); 579688eea45cSKlaus Jensen case NVME_ADM_CMD_GET_LOG_PAGE: 579788eea45cSKlaus Jensen return nvme_get_log(n, req); 579888eea45cSKlaus Jensen case NVME_ADM_CMD_DELETE_CQ: 579988eea45cSKlaus Jensen return nvme_del_cq(n, req); 580088eea45cSKlaus Jensen case NVME_ADM_CMD_CREATE_CQ: 580188eea45cSKlaus Jensen return nvme_create_cq(n, req); 580288eea45cSKlaus Jensen case NVME_ADM_CMD_IDENTIFY: 580388eea45cSKlaus Jensen return nvme_identify(n, req); 580488eea45cSKlaus Jensen case NVME_ADM_CMD_ABORT: 580588eea45cSKlaus Jensen return nvme_abort(n, req); 580688eea45cSKlaus Jensen case NVME_ADM_CMD_SET_FEATURES: 580788eea45cSKlaus Jensen return nvme_set_feature(n, req); 580888eea45cSKlaus Jensen case NVME_ADM_CMD_GET_FEATURES: 580988eea45cSKlaus Jensen return nvme_get_feature(n, req); 581088eea45cSKlaus Jensen case NVME_ADM_CMD_ASYNC_EV_REQ: 581188eea45cSKlaus Jensen return nvme_aer(n, req); 581288eea45cSKlaus Jensen case NVME_ADM_CMD_NS_ATTACHMENT: 581388eea45cSKlaus Jensen return nvme_ns_attachment(n, req); 581488eea45cSKlaus Jensen case NVME_ADM_CMD_FORMAT_NVM: 581588eea45cSKlaus Jensen return nvme_format(n, req); 581688eea45cSKlaus Jensen default: 581788eea45cSKlaus Jensen assert(false); 581888eea45cSKlaus Jensen } 581988eea45cSKlaus Jensen 582088eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 582188eea45cSKlaus Jensen } 582288eea45cSKlaus Jensen 582388eea45cSKlaus Jensen static void nvme_process_sq(void *opaque) 582488eea45cSKlaus Jensen { 582588eea45cSKlaus Jensen NvmeSQueue *sq = opaque; 582688eea45cSKlaus Jensen NvmeCtrl *n = sq->ctrl; 582788eea45cSKlaus Jensen NvmeCQueue *cq = n->cq[sq->cqid]; 582888eea45cSKlaus Jensen 582988eea45cSKlaus Jensen uint16_t status; 583088eea45cSKlaus Jensen hwaddr addr; 583188eea45cSKlaus Jensen NvmeCmd cmd; 583288eea45cSKlaus Jensen NvmeRequest *req; 583388eea45cSKlaus Jensen 583488eea45cSKlaus Jensen while (!(nvme_sq_empty(sq) || QTAILQ_EMPTY(&sq->req_list))) { 583588eea45cSKlaus Jensen addr = sq->dma_addr + sq->head * n->sqe_size; 583688eea45cSKlaus Jensen if (nvme_addr_read(n, addr, (void *)&cmd, sizeof(cmd))) { 583788eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 583888eea45cSKlaus Jensen trace_pci_nvme_err_cfs(); 583949e03457SKlaus Jensen stl_le_p(&n->bar.csts, NVME_CSTS_FAILED); 584088eea45cSKlaus Jensen break; 584188eea45cSKlaus Jensen } 584288eea45cSKlaus Jensen nvme_inc_sq_head(sq); 584388eea45cSKlaus Jensen 584488eea45cSKlaus Jensen req = QTAILQ_FIRST(&sq->req_list); 584588eea45cSKlaus Jensen QTAILQ_REMOVE(&sq->req_list, req, entry); 584688eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->out_req_list, req, entry); 584788eea45cSKlaus Jensen nvme_req_clear(req); 584888eea45cSKlaus Jensen req->cqe.cid = cmd.cid; 584988eea45cSKlaus Jensen memcpy(&req->cmd, &cmd, sizeof(NvmeCmd)); 585088eea45cSKlaus Jensen 585188eea45cSKlaus Jensen status = sq->sqid ? nvme_io_cmd(n, req) : 585288eea45cSKlaus Jensen nvme_admin_cmd(n, req); 585388eea45cSKlaus Jensen if (status != NVME_NO_COMPLETE) { 585488eea45cSKlaus Jensen req->status = status; 585588eea45cSKlaus Jensen nvme_enqueue_req_completion(cq, req); 585688eea45cSKlaus Jensen } 585788eea45cSKlaus Jensen } 585888eea45cSKlaus Jensen } 585988eea45cSKlaus Jensen 586088eea45cSKlaus Jensen static void nvme_ctrl_reset(NvmeCtrl *n) 586188eea45cSKlaus Jensen { 586288eea45cSKlaus Jensen NvmeNamespace *ns; 586388eea45cSKlaus Jensen int i; 586488eea45cSKlaus Jensen 586588eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 586688eea45cSKlaus Jensen ns = nvme_ns(n, i); 586788eea45cSKlaus Jensen if (!ns) { 586888eea45cSKlaus Jensen continue; 586988eea45cSKlaus Jensen } 587088eea45cSKlaus Jensen 587188eea45cSKlaus Jensen nvme_ns_drain(ns); 587288eea45cSKlaus Jensen } 587388eea45cSKlaus Jensen 587488eea45cSKlaus Jensen for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 587588eea45cSKlaus Jensen if (n->sq[i] != NULL) { 587688eea45cSKlaus Jensen nvme_free_sq(n->sq[i], n); 587788eea45cSKlaus Jensen } 587888eea45cSKlaus Jensen } 587988eea45cSKlaus Jensen for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 588088eea45cSKlaus Jensen if (n->cq[i] != NULL) { 588188eea45cSKlaus Jensen nvme_free_cq(n->cq[i], n); 588288eea45cSKlaus Jensen } 588388eea45cSKlaus Jensen } 588488eea45cSKlaus Jensen 588588eea45cSKlaus Jensen while (!QTAILQ_EMPTY(&n->aer_queue)) { 588688eea45cSKlaus Jensen NvmeAsyncEvent *event = QTAILQ_FIRST(&n->aer_queue); 588788eea45cSKlaus Jensen QTAILQ_REMOVE(&n->aer_queue, event, entry); 588888eea45cSKlaus Jensen g_free(event); 588988eea45cSKlaus Jensen } 589088eea45cSKlaus Jensen 589188eea45cSKlaus Jensen n->aer_queued = 0; 589288eea45cSKlaus Jensen n->outstanding_aers = 0; 589388eea45cSKlaus Jensen n->qs_created = false; 589488eea45cSKlaus Jensen } 589588eea45cSKlaus Jensen 589688eea45cSKlaus Jensen static void nvme_ctrl_shutdown(NvmeCtrl *n) 589788eea45cSKlaus Jensen { 589888eea45cSKlaus Jensen NvmeNamespace *ns; 589988eea45cSKlaus Jensen int i; 590088eea45cSKlaus Jensen 590188eea45cSKlaus Jensen if (n->pmr.dev) { 590288eea45cSKlaus Jensen memory_region_msync(&n->pmr.dev->mr, 0, n->pmr.dev->size); 590388eea45cSKlaus Jensen } 590488eea45cSKlaus Jensen 590588eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 590688eea45cSKlaus Jensen ns = nvme_ns(n, i); 590788eea45cSKlaus Jensen if (!ns) { 590888eea45cSKlaus Jensen continue; 590988eea45cSKlaus Jensen } 591088eea45cSKlaus Jensen 591188eea45cSKlaus Jensen nvme_ns_shutdown(ns); 591288eea45cSKlaus Jensen } 591388eea45cSKlaus Jensen } 591488eea45cSKlaus Jensen 591588eea45cSKlaus Jensen static void nvme_select_iocs(NvmeCtrl *n) 591688eea45cSKlaus Jensen { 591788eea45cSKlaus Jensen NvmeNamespace *ns; 591888eea45cSKlaus Jensen int i; 591988eea45cSKlaus Jensen 592088eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 592188eea45cSKlaus Jensen ns = nvme_ns(n, i); 592288eea45cSKlaus Jensen if (!ns) { 592388eea45cSKlaus Jensen continue; 592488eea45cSKlaus Jensen } 592588eea45cSKlaus Jensen 592688eea45cSKlaus Jensen nvme_select_iocs_ns(n, ns); 592788eea45cSKlaus Jensen } 592888eea45cSKlaus Jensen } 592988eea45cSKlaus Jensen 593088eea45cSKlaus Jensen static int nvme_start_ctrl(NvmeCtrl *n) 593188eea45cSKlaus Jensen { 593249e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 593349e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 593449e03457SKlaus Jensen uint32_t aqa = ldl_le_p(&n->bar.aqa); 593549e03457SKlaus Jensen uint64_t asq = ldq_le_p(&n->bar.asq); 593649e03457SKlaus Jensen uint64_t acq = ldq_le_p(&n->bar.acq); 593749e03457SKlaus Jensen uint32_t page_bits = NVME_CC_MPS(cc) + 12; 593888eea45cSKlaus Jensen uint32_t page_size = 1 << page_bits; 593988eea45cSKlaus Jensen 594088eea45cSKlaus Jensen if (unlikely(n->cq[0])) { 594188eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cq(); 594288eea45cSKlaus Jensen return -1; 594388eea45cSKlaus Jensen } 594488eea45cSKlaus Jensen if (unlikely(n->sq[0])) { 594588eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sq(); 594688eea45cSKlaus Jensen return -1; 594788eea45cSKlaus Jensen } 594849e03457SKlaus Jensen if (unlikely(asq & (page_size - 1))) { 594949e03457SKlaus Jensen trace_pci_nvme_err_startfail_asq_misaligned(asq); 595088eea45cSKlaus Jensen return -1; 595188eea45cSKlaus Jensen } 595249e03457SKlaus Jensen if (unlikely(acq & (page_size - 1))) { 595349e03457SKlaus Jensen trace_pci_nvme_err_startfail_acq_misaligned(acq); 595488eea45cSKlaus Jensen return -1; 595588eea45cSKlaus Jensen } 595649e03457SKlaus Jensen if (unlikely(!(NVME_CAP_CSS(cap) & (1 << NVME_CC_CSS(cc))))) { 595749e03457SKlaus Jensen trace_pci_nvme_err_startfail_css(NVME_CC_CSS(cc)); 595888eea45cSKlaus Jensen return -1; 595988eea45cSKlaus Jensen } 596049e03457SKlaus Jensen if (unlikely(NVME_CC_MPS(cc) < NVME_CAP_MPSMIN(cap))) { 596188eea45cSKlaus Jensen trace_pci_nvme_err_startfail_page_too_small( 596249e03457SKlaus Jensen NVME_CC_MPS(cc), 596349e03457SKlaus Jensen NVME_CAP_MPSMIN(cap)); 596488eea45cSKlaus Jensen return -1; 596588eea45cSKlaus Jensen } 596649e03457SKlaus Jensen if (unlikely(NVME_CC_MPS(cc) > 596749e03457SKlaus Jensen NVME_CAP_MPSMAX(cap))) { 596888eea45cSKlaus Jensen trace_pci_nvme_err_startfail_page_too_large( 596949e03457SKlaus Jensen NVME_CC_MPS(cc), 597049e03457SKlaus Jensen NVME_CAP_MPSMAX(cap)); 597188eea45cSKlaus Jensen return -1; 597288eea45cSKlaus Jensen } 597349e03457SKlaus Jensen if (unlikely(NVME_CC_IOCQES(cc) < 597488eea45cSKlaus Jensen NVME_CTRL_CQES_MIN(n->id_ctrl.cqes))) { 597588eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cqent_too_small( 597649e03457SKlaus Jensen NVME_CC_IOCQES(cc), 597749e03457SKlaus Jensen NVME_CTRL_CQES_MIN(cap)); 597888eea45cSKlaus Jensen return -1; 597988eea45cSKlaus Jensen } 598049e03457SKlaus Jensen if (unlikely(NVME_CC_IOCQES(cc) > 598188eea45cSKlaus Jensen NVME_CTRL_CQES_MAX(n->id_ctrl.cqes))) { 598288eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cqent_too_large( 598349e03457SKlaus Jensen NVME_CC_IOCQES(cc), 598449e03457SKlaus Jensen NVME_CTRL_CQES_MAX(cap)); 598588eea45cSKlaus Jensen return -1; 598688eea45cSKlaus Jensen } 598749e03457SKlaus Jensen if (unlikely(NVME_CC_IOSQES(cc) < 598888eea45cSKlaus Jensen NVME_CTRL_SQES_MIN(n->id_ctrl.sqes))) { 598988eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sqent_too_small( 599049e03457SKlaus Jensen NVME_CC_IOSQES(cc), 599149e03457SKlaus Jensen NVME_CTRL_SQES_MIN(cap)); 599288eea45cSKlaus Jensen return -1; 599388eea45cSKlaus Jensen } 599449e03457SKlaus Jensen if (unlikely(NVME_CC_IOSQES(cc) > 599588eea45cSKlaus Jensen NVME_CTRL_SQES_MAX(n->id_ctrl.sqes))) { 599688eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sqent_too_large( 599749e03457SKlaus Jensen NVME_CC_IOSQES(cc), 599849e03457SKlaus Jensen NVME_CTRL_SQES_MAX(cap)); 599988eea45cSKlaus Jensen return -1; 600088eea45cSKlaus Jensen } 600149e03457SKlaus Jensen if (unlikely(!NVME_AQA_ASQS(aqa))) { 600288eea45cSKlaus Jensen trace_pci_nvme_err_startfail_asqent_sz_zero(); 600388eea45cSKlaus Jensen return -1; 600488eea45cSKlaus Jensen } 600549e03457SKlaus Jensen if (unlikely(!NVME_AQA_ACQS(aqa))) { 600688eea45cSKlaus Jensen trace_pci_nvme_err_startfail_acqent_sz_zero(); 600788eea45cSKlaus Jensen return -1; 600888eea45cSKlaus Jensen } 600988eea45cSKlaus Jensen 601088eea45cSKlaus Jensen n->page_bits = page_bits; 601188eea45cSKlaus Jensen n->page_size = page_size; 601288eea45cSKlaus Jensen n->max_prp_ents = n->page_size / sizeof(uint64_t); 601349e03457SKlaus Jensen n->cqe_size = 1 << NVME_CC_IOCQES(cc); 601449e03457SKlaus Jensen n->sqe_size = 1 << NVME_CC_IOSQES(cc); 601549e03457SKlaus Jensen nvme_init_cq(&n->admin_cq, n, acq, 0, 0, NVME_AQA_ACQS(aqa) + 1, 1); 601649e03457SKlaus Jensen nvme_init_sq(&n->admin_sq, n, asq, 0, 0, NVME_AQA_ASQS(aqa) + 1); 601788eea45cSKlaus Jensen 601888eea45cSKlaus Jensen nvme_set_timestamp(n, 0ULL); 601988eea45cSKlaus Jensen 602088eea45cSKlaus Jensen QTAILQ_INIT(&n->aer_queue); 602188eea45cSKlaus Jensen 602288eea45cSKlaus Jensen nvme_select_iocs(n); 602388eea45cSKlaus Jensen 602488eea45cSKlaus Jensen return 0; 602588eea45cSKlaus Jensen } 602688eea45cSKlaus Jensen 602788eea45cSKlaus Jensen static void nvme_cmb_enable_regs(NvmeCtrl *n) 602888eea45cSKlaus Jensen { 602949e03457SKlaus Jensen uint32_t cmbloc = ldl_le_p(&n->bar.cmbloc); 603049e03457SKlaus Jensen uint32_t cmbsz = ldl_le_p(&n->bar.cmbsz); 603188eea45cSKlaus Jensen 603249e03457SKlaus Jensen NVME_CMBLOC_SET_CDPCILS(cmbloc, 1); 603349e03457SKlaus Jensen NVME_CMBLOC_SET_CDPMLS(cmbloc, 1); 603449e03457SKlaus Jensen NVME_CMBLOC_SET_BIR(cmbloc, NVME_CMB_BIR); 603549e03457SKlaus Jensen stl_le_p(&n->bar.cmbloc, cmbloc); 603649e03457SKlaus Jensen 603749e03457SKlaus Jensen NVME_CMBSZ_SET_SQS(cmbsz, 1); 603849e03457SKlaus Jensen NVME_CMBSZ_SET_CQS(cmbsz, 0); 603949e03457SKlaus Jensen NVME_CMBSZ_SET_LISTS(cmbsz, 1); 604049e03457SKlaus Jensen NVME_CMBSZ_SET_RDS(cmbsz, 1); 604149e03457SKlaus Jensen NVME_CMBSZ_SET_WDS(cmbsz, 1); 604249e03457SKlaus Jensen NVME_CMBSZ_SET_SZU(cmbsz, 2); /* MBs */ 604349e03457SKlaus Jensen NVME_CMBSZ_SET_SZ(cmbsz, n->params.cmb_size_mb); 604449e03457SKlaus Jensen stl_le_p(&n->bar.cmbsz, cmbsz); 604588eea45cSKlaus Jensen } 604688eea45cSKlaus Jensen 604788eea45cSKlaus Jensen static void nvme_write_bar(NvmeCtrl *n, hwaddr offset, uint64_t data, 604888eea45cSKlaus Jensen unsigned size) 604988eea45cSKlaus Jensen { 605049e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 605149e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 605249e03457SKlaus Jensen uint32_t intms = ldl_le_p(&n->bar.intms); 605349e03457SKlaus Jensen uint32_t csts = ldl_le_p(&n->bar.csts); 605449e03457SKlaus Jensen uint32_t pmrsts = ldl_le_p(&n->bar.pmrsts); 605549e03457SKlaus Jensen 605688eea45cSKlaus Jensen if (unlikely(offset & (sizeof(uint32_t) - 1))) { 605788eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_misaligned32, 605888eea45cSKlaus Jensen "MMIO write not 32-bit aligned," 605988eea45cSKlaus Jensen " offset=0x%"PRIx64"", offset); 606088eea45cSKlaus Jensen /* should be ignored, fall through for now */ 606188eea45cSKlaus Jensen } 606288eea45cSKlaus Jensen 606388eea45cSKlaus Jensen if (unlikely(size < sizeof(uint32_t))) { 606488eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_toosmall, 606588eea45cSKlaus Jensen "MMIO write smaller than 32-bits," 606688eea45cSKlaus Jensen " offset=0x%"PRIx64", size=%u", 606788eea45cSKlaus Jensen offset, size); 606888eea45cSKlaus Jensen /* should be ignored, fall through for now */ 606988eea45cSKlaus Jensen } 607088eea45cSKlaus Jensen 607188eea45cSKlaus Jensen switch (offset) { 6072a316aa50SKlaus Jensen case NVME_REG_INTMS: 607388eea45cSKlaus Jensen if (unlikely(msix_enabled(&(n->parent_obj)))) { 607488eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_intmask_with_msix, 607588eea45cSKlaus Jensen "undefined access to interrupt mask set" 607688eea45cSKlaus Jensen " when MSI-X is enabled"); 607788eea45cSKlaus Jensen /* should be ignored, fall through for now */ 607888eea45cSKlaus Jensen } 607949e03457SKlaus Jensen intms |= data; 608049e03457SKlaus Jensen stl_le_p(&n->bar.intms, intms); 608188eea45cSKlaus Jensen n->bar.intmc = n->bar.intms; 608249e03457SKlaus Jensen trace_pci_nvme_mmio_intm_set(data & 0xffffffff, intms); 608388eea45cSKlaus Jensen nvme_irq_check(n); 608488eea45cSKlaus Jensen break; 6085a316aa50SKlaus Jensen case NVME_REG_INTMC: 608688eea45cSKlaus Jensen if (unlikely(msix_enabled(&(n->parent_obj)))) { 608788eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_intmask_with_msix, 608888eea45cSKlaus Jensen "undefined access to interrupt mask clr" 608988eea45cSKlaus Jensen " when MSI-X is enabled"); 609088eea45cSKlaus Jensen /* should be ignored, fall through for now */ 609188eea45cSKlaus Jensen } 609249e03457SKlaus Jensen intms &= ~data; 609349e03457SKlaus Jensen stl_le_p(&n->bar.intms, intms); 609488eea45cSKlaus Jensen n->bar.intmc = n->bar.intms; 609549e03457SKlaus Jensen trace_pci_nvme_mmio_intm_clr(data & 0xffffffff, intms); 609688eea45cSKlaus Jensen nvme_irq_check(n); 609788eea45cSKlaus Jensen break; 6098a316aa50SKlaus Jensen case NVME_REG_CC: 609988eea45cSKlaus Jensen trace_pci_nvme_mmio_cfg(data & 0xffffffff); 610049e03457SKlaus Jensen 610188eea45cSKlaus Jensen /* Windows first sends data, then sends enable bit */ 610249e03457SKlaus Jensen if (!NVME_CC_EN(data) && !NVME_CC_EN(cc) && 610349e03457SKlaus Jensen !NVME_CC_SHN(data) && !NVME_CC_SHN(cc)) 610488eea45cSKlaus Jensen { 610549e03457SKlaus Jensen cc = data; 610688eea45cSKlaus Jensen } 610788eea45cSKlaus Jensen 610849e03457SKlaus Jensen if (NVME_CC_EN(data) && !NVME_CC_EN(cc)) { 610949e03457SKlaus Jensen cc = data; 611049e03457SKlaus Jensen 611149e03457SKlaus Jensen /* flush CC since nvme_start_ctrl() needs the value */ 611249e03457SKlaus Jensen stl_le_p(&n->bar.cc, cc); 611388eea45cSKlaus Jensen if (unlikely(nvme_start_ctrl(n))) { 611488eea45cSKlaus Jensen trace_pci_nvme_err_startfail(); 611549e03457SKlaus Jensen csts = NVME_CSTS_FAILED; 611688eea45cSKlaus Jensen } else { 611788eea45cSKlaus Jensen trace_pci_nvme_mmio_start_success(); 611849e03457SKlaus Jensen csts = NVME_CSTS_READY; 611988eea45cSKlaus Jensen } 612049e03457SKlaus Jensen } else if (!NVME_CC_EN(data) && NVME_CC_EN(cc)) { 612188eea45cSKlaus Jensen trace_pci_nvme_mmio_stopped(); 612288eea45cSKlaus Jensen nvme_ctrl_reset(n); 612349e03457SKlaus Jensen cc = 0; 612449e03457SKlaus Jensen csts &= ~NVME_CSTS_READY; 612588eea45cSKlaus Jensen } 612649e03457SKlaus Jensen 612749e03457SKlaus Jensen if (NVME_CC_SHN(data) && !(NVME_CC_SHN(cc))) { 612888eea45cSKlaus Jensen trace_pci_nvme_mmio_shutdown_set(); 612988eea45cSKlaus Jensen nvme_ctrl_shutdown(n); 613049e03457SKlaus Jensen cc = data; 613149e03457SKlaus Jensen csts |= NVME_CSTS_SHST_COMPLETE; 613249e03457SKlaus Jensen } else if (!NVME_CC_SHN(data) && NVME_CC_SHN(cc)) { 613388eea45cSKlaus Jensen trace_pci_nvme_mmio_shutdown_cleared(); 613449e03457SKlaus Jensen csts &= ~NVME_CSTS_SHST_COMPLETE; 613549e03457SKlaus Jensen cc = data; 613688eea45cSKlaus Jensen } 613749e03457SKlaus Jensen 613849e03457SKlaus Jensen stl_le_p(&n->bar.cc, cc); 613949e03457SKlaus Jensen stl_le_p(&n->bar.csts, csts); 614049e03457SKlaus Jensen 614188eea45cSKlaus Jensen break; 6142a316aa50SKlaus Jensen case NVME_REG_CSTS: 614388eea45cSKlaus Jensen if (data & (1 << 4)) { 614488eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_ssreset_w1c_unsupported, 614588eea45cSKlaus Jensen "attempted to W1C CSTS.NSSRO" 614688eea45cSKlaus Jensen " but CAP.NSSRS is zero (not supported)"); 614788eea45cSKlaus Jensen } else if (data != 0) { 614888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_ro_csts, 614988eea45cSKlaus Jensen "attempted to set a read only bit" 615088eea45cSKlaus Jensen " of controller status"); 615188eea45cSKlaus Jensen } 615288eea45cSKlaus Jensen break; 6153a316aa50SKlaus Jensen case NVME_REG_NSSR: 615488eea45cSKlaus Jensen if (data == 0x4e564d65) { 615588eea45cSKlaus Jensen trace_pci_nvme_ub_mmiowr_ssreset_unsupported(); 615688eea45cSKlaus Jensen } else { 615788eea45cSKlaus Jensen /* The spec says that writes of other values have no effect */ 615888eea45cSKlaus Jensen return; 615988eea45cSKlaus Jensen } 616088eea45cSKlaus Jensen break; 6161a316aa50SKlaus Jensen case NVME_REG_AQA: 616249e03457SKlaus Jensen stl_le_p(&n->bar.aqa, data); 616388eea45cSKlaus Jensen trace_pci_nvme_mmio_aqattr(data & 0xffffffff); 616488eea45cSKlaus Jensen break; 6165a316aa50SKlaus Jensen case NVME_REG_ASQ: 616649e03457SKlaus Jensen stn_le_p(&n->bar.asq, size, data); 616788eea45cSKlaus Jensen trace_pci_nvme_mmio_asqaddr(data); 616888eea45cSKlaus Jensen break; 6169a316aa50SKlaus Jensen case NVME_REG_ASQ + 4: 617049e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.asq + 4, data); 617149e03457SKlaus Jensen trace_pci_nvme_mmio_asqaddr_hi(data, ldq_le_p(&n->bar.asq)); 617288eea45cSKlaus Jensen break; 6173a316aa50SKlaus Jensen case NVME_REG_ACQ: 617488eea45cSKlaus Jensen trace_pci_nvme_mmio_acqaddr(data); 617549e03457SKlaus Jensen stn_le_p(&n->bar.acq, size, data); 617688eea45cSKlaus Jensen break; 6177a316aa50SKlaus Jensen case NVME_REG_ACQ + 4: 617849e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.acq + 4, data); 617949e03457SKlaus Jensen trace_pci_nvme_mmio_acqaddr_hi(data, ldq_le_p(&n->bar.acq)); 618088eea45cSKlaus Jensen break; 6181a316aa50SKlaus Jensen case NVME_REG_CMBLOC: 618288eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_cmbloc_reserved, 618388eea45cSKlaus Jensen "invalid write to reserved CMBLOC" 618488eea45cSKlaus Jensen " when CMBSZ is zero, ignored"); 618588eea45cSKlaus Jensen return; 6186a316aa50SKlaus Jensen case NVME_REG_CMBSZ: 618788eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_cmbsz_readonly, 618888eea45cSKlaus Jensen "invalid write to read only CMBSZ, ignored"); 618988eea45cSKlaus Jensen return; 6190a316aa50SKlaus Jensen case NVME_REG_CMBMSC: 619149e03457SKlaus Jensen if (!NVME_CAP_CMBS(cap)) { 619288eea45cSKlaus Jensen return; 619388eea45cSKlaus Jensen } 619488eea45cSKlaus Jensen 619549e03457SKlaus Jensen stn_le_p(&n->bar.cmbmsc, size, data); 619688eea45cSKlaus Jensen n->cmb.cmse = false; 619788eea45cSKlaus Jensen 619888eea45cSKlaus Jensen if (NVME_CMBMSC_CRE(data)) { 619988eea45cSKlaus Jensen nvme_cmb_enable_regs(n); 620088eea45cSKlaus Jensen 620188eea45cSKlaus Jensen if (NVME_CMBMSC_CMSE(data)) { 620249e03457SKlaus Jensen uint64_t cmbmsc = ldq_le_p(&n->bar.cmbmsc); 620349e03457SKlaus Jensen hwaddr cba = NVME_CMBMSC_CBA(cmbmsc) << CMBMSC_CBA_SHIFT; 620488eea45cSKlaus Jensen if (cba + int128_get64(n->cmb.mem.size) < cba) { 620549e03457SKlaus Jensen uint32_t cmbsts = ldl_le_p(&n->bar.cmbsts); 620649e03457SKlaus Jensen NVME_CMBSTS_SET_CBAI(cmbsts, 1); 620749e03457SKlaus Jensen stl_le_p(&n->bar.cmbsts, cmbsts); 620888eea45cSKlaus Jensen return; 620988eea45cSKlaus Jensen } 621088eea45cSKlaus Jensen 621188eea45cSKlaus Jensen n->cmb.cba = cba; 621288eea45cSKlaus Jensen n->cmb.cmse = true; 621388eea45cSKlaus Jensen } 621488eea45cSKlaus Jensen } else { 621588eea45cSKlaus Jensen n->bar.cmbsz = 0; 621688eea45cSKlaus Jensen n->bar.cmbloc = 0; 621788eea45cSKlaus Jensen } 621888eea45cSKlaus Jensen 621988eea45cSKlaus Jensen return; 6220a316aa50SKlaus Jensen case NVME_REG_CMBMSC + 4: 622149e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.cmbmsc + 4, data); 622288eea45cSKlaus Jensen return; 622388eea45cSKlaus Jensen 6224a316aa50SKlaus Jensen case NVME_REG_PMRCAP: 622588eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrcap_readonly, 622688eea45cSKlaus Jensen "invalid write to PMRCAP register, ignored"); 622788eea45cSKlaus Jensen return; 6228a316aa50SKlaus Jensen case NVME_REG_PMRCTL: 622949e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 62302b02aabcSKlaus Jensen return; 62312b02aabcSKlaus Jensen } 62322b02aabcSKlaus Jensen 623349e03457SKlaus Jensen stl_le_p(&n->bar.pmrctl, data); 623488eea45cSKlaus Jensen if (NVME_PMRCTL_EN(data)) { 623588eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, true); 623649e03457SKlaus Jensen pmrsts = 0; 623788eea45cSKlaus Jensen } else { 623888eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, false); 623949e03457SKlaus Jensen NVME_PMRSTS_SET_NRDY(pmrsts, 1); 624088eea45cSKlaus Jensen n->pmr.cmse = false; 624188eea45cSKlaus Jensen } 624249e03457SKlaus Jensen stl_le_p(&n->bar.pmrsts, pmrsts); 624388eea45cSKlaus Jensen return; 6244a316aa50SKlaus Jensen case NVME_REG_PMRSTS: 624588eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrsts_readonly, 624688eea45cSKlaus Jensen "invalid write to PMRSTS register, ignored"); 624788eea45cSKlaus Jensen return; 6248a316aa50SKlaus Jensen case NVME_REG_PMREBS: 624988eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrebs_readonly, 625088eea45cSKlaus Jensen "invalid write to PMREBS register, ignored"); 625188eea45cSKlaus Jensen return; 6252a316aa50SKlaus Jensen case NVME_REG_PMRSWTP: 625388eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrswtp_readonly, 625488eea45cSKlaus Jensen "invalid write to PMRSWTP register, ignored"); 625588eea45cSKlaus Jensen return; 6256a316aa50SKlaus Jensen case NVME_REG_PMRMSCL: 625749e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 625888eea45cSKlaus Jensen return; 625988eea45cSKlaus Jensen } 626088eea45cSKlaus Jensen 626149e03457SKlaus Jensen stl_le_p(&n->bar.pmrmscl, data); 626288eea45cSKlaus Jensen n->pmr.cmse = false; 626388eea45cSKlaus Jensen 626449e03457SKlaus Jensen if (NVME_PMRMSCL_CMSE(data)) { 626549e03457SKlaus Jensen uint64_t pmrmscu = ldl_le_p(&n->bar.pmrmscu); 626649e03457SKlaus Jensen hwaddr cba = pmrmscu << 32 | 626749e03457SKlaus Jensen (NVME_PMRMSCL_CBA(data) << PMRMSCL_CBA_SHIFT); 626888eea45cSKlaus Jensen if (cba + int128_get64(n->pmr.dev->mr.size) < cba) { 626949e03457SKlaus Jensen NVME_PMRSTS_SET_CBAI(pmrsts, 1); 627049e03457SKlaus Jensen stl_le_p(&n->bar.pmrsts, pmrsts); 627188eea45cSKlaus Jensen return; 627288eea45cSKlaus Jensen } 627388eea45cSKlaus Jensen 627488eea45cSKlaus Jensen n->pmr.cmse = true; 627588eea45cSKlaus Jensen n->pmr.cba = cba; 627688eea45cSKlaus Jensen } 627788eea45cSKlaus Jensen 627888eea45cSKlaus Jensen return; 6279a316aa50SKlaus Jensen case NVME_REG_PMRMSCU: 628049e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 628188eea45cSKlaus Jensen return; 628288eea45cSKlaus Jensen } 628388eea45cSKlaus Jensen 628449e03457SKlaus Jensen stl_le_p(&n->bar.pmrmscu, data); 628588eea45cSKlaus Jensen return; 628688eea45cSKlaus Jensen default: 628788eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_invalid, 628888eea45cSKlaus Jensen "invalid MMIO write," 628988eea45cSKlaus Jensen " offset=0x%"PRIx64", data=%"PRIx64"", 629088eea45cSKlaus Jensen offset, data); 629188eea45cSKlaus Jensen break; 629288eea45cSKlaus Jensen } 629388eea45cSKlaus Jensen } 629488eea45cSKlaus Jensen 629588eea45cSKlaus Jensen static uint64_t nvme_mmio_read(void *opaque, hwaddr addr, unsigned size) 629688eea45cSKlaus Jensen { 629788eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 629888eea45cSKlaus Jensen uint8_t *ptr = (uint8_t *)&n->bar; 629988eea45cSKlaus Jensen 630088eea45cSKlaus Jensen trace_pci_nvme_mmio_read(addr, size); 630188eea45cSKlaus Jensen 630288eea45cSKlaus Jensen if (unlikely(addr & (sizeof(uint32_t) - 1))) { 630388eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_misaligned32, 630488eea45cSKlaus Jensen "MMIO read not 32-bit aligned," 630588eea45cSKlaus Jensen " offset=0x%"PRIx64"", addr); 630688eea45cSKlaus Jensen /* should RAZ, fall through for now */ 630788eea45cSKlaus Jensen } else if (unlikely(size < sizeof(uint32_t))) { 630888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_toosmall, 630988eea45cSKlaus Jensen "MMIO read smaller than 32-bits," 631088eea45cSKlaus Jensen " offset=0x%"PRIx64"", addr); 631188eea45cSKlaus Jensen /* should RAZ, fall through for now */ 631288eea45cSKlaus Jensen } 631388eea45cSKlaus Jensen 63145029de44SKlaus Jensen if (addr > sizeof(n->bar) - size) { 63155029de44SKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_invalid_ofs, 63165029de44SKlaus Jensen "MMIO read beyond last register," 63175029de44SKlaus Jensen " offset=0x%"PRIx64", returning 0", addr); 63185029de44SKlaus Jensen 63195029de44SKlaus Jensen return 0; 63205029de44SKlaus Jensen } 63215029de44SKlaus Jensen 632288eea45cSKlaus Jensen /* 632388eea45cSKlaus Jensen * When PMRWBM bit 1 is set then read from 632488eea45cSKlaus Jensen * from PMRSTS should ensure prior writes 632588eea45cSKlaus Jensen * made it to persistent media 632688eea45cSKlaus Jensen */ 6327a316aa50SKlaus Jensen if (addr == NVME_REG_PMRSTS && 632849e03457SKlaus Jensen (NVME_PMRCAP_PMRWBM(ldl_le_p(&n->bar.pmrcap)) & 0x02)) { 632988eea45cSKlaus Jensen memory_region_msync(&n->pmr.dev->mr, 0, n->pmr.dev->size); 633088eea45cSKlaus Jensen } 63315029de44SKlaus Jensen 633249e03457SKlaus Jensen return ldn_le_p(ptr + addr, size); 633388eea45cSKlaus Jensen } 633488eea45cSKlaus Jensen 633588eea45cSKlaus Jensen static void nvme_process_db(NvmeCtrl *n, hwaddr addr, int val) 633688eea45cSKlaus Jensen { 633788eea45cSKlaus Jensen uint32_t qid; 633888eea45cSKlaus Jensen 633988eea45cSKlaus Jensen if (unlikely(addr & ((1 << 2) - 1))) { 634088eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_misaligned, 634188eea45cSKlaus Jensen "doorbell write not 32-bit aligned," 634288eea45cSKlaus Jensen " offset=0x%"PRIx64", ignoring", addr); 634388eea45cSKlaus Jensen return; 634488eea45cSKlaus Jensen } 634588eea45cSKlaus Jensen 634688eea45cSKlaus Jensen if (((addr - 0x1000) >> 2) & 1) { 634788eea45cSKlaus Jensen /* Completion queue doorbell write */ 634888eea45cSKlaus Jensen 634988eea45cSKlaus Jensen uint16_t new_head = val & 0xffff; 635088eea45cSKlaus Jensen int start_sqs; 635188eea45cSKlaus Jensen NvmeCQueue *cq; 635288eea45cSKlaus Jensen 635388eea45cSKlaus Jensen qid = (addr - (0x1000 + (1 << 2))) >> 3; 635488eea45cSKlaus Jensen if (unlikely(nvme_check_cqid(n, qid))) { 635588eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_cq, 635688eea45cSKlaus Jensen "completion queue doorbell write" 635788eea45cSKlaus Jensen " for nonexistent queue," 635888eea45cSKlaus Jensen " sqid=%"PRIu32", ignoring", qid); 635988eea45cSKlaus Jensen 636088eea45cSKlaus Jensen /* 636188eea45cSKlaus Jensen * NVM Express v1.3d, Section 4.1 state: "If host software writes 636288eea45cSKlaus Jensen * an invalid value to the Submission Queue Tail Doorbell or 636388eea45cSKlaus Jensen * Completion Queue Head Doorbell regiter and an Asynchronous Event 636488eea45cSKlaus Jensen * Request command is outstanding, then an asynchronous event is 636588eea45cSKlaus Jensen * posted to the Admin Completion Queue with a status code of 636688eea45cSKlaus Jensen * Invalid Doorbell Write Value." 636788eea45cSKlaus Jensen * 636888eea45cSKlaus Jensen * Also note that the spec includes the "Invalid Doorbell Register" 636988eea45cSKlaus Jensen * status code, but nowhere does it specify when to use it. 637088eea45cSKlaus Jensen * However, it seems reasonable to use it here in a similar 637188eea45cSKlaus Jensen * fashion. 637288eea45cSKlaus Jensen */ 637388eea45cSKlaus Jensen if (n->outstanding_aers) { 637488eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 637588eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_REGISTER, 637688eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 637788eea45cSKlaus Jensen } 637888eea45cSKlaus Jensen 637988eea45cSKlaus Jensen return; 638088eea45cSKlaus Jensen } 638188eea45cSKlaus Jensen 638288eea45cSKlaus Jensen cq = n->cq[qid]; 638388eea45cSKlaus Jensen if (unlikely(new_head >= cq->size)) { 638488eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_cqhead, 638588eea45cSKlaus Jensen "completion queue doorbell write value" 638688eea45cSKlaus Jensen " beyond queue size, sqid=%"PRIu32"," 638788eea45cSKlaus Jensen " new_head=%"PRIu16", ignoring", 638888eea45cSKlaus Jensen qid, new_head); 638988eea45cSKlaus Jensen 639088eea45cSKlaus Jensen if (n->outstanding_aers) { 639188eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 639288eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_VALUE, 639388eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 639488eea45cSKlaus Jensen } 639588eea45cSKlaus Jensen 639688eea45cSKlaus Jensen return; 639788eea45cSKlaus Jensen } 639888eea45cSKlaus Jensen 639988eea45cSKlaus Jensen trace_pci_nvme_mmio_doorbell_cq(cq->cqid, new_head); 640088eea45cSKlaus Jensen 640188eea45cSKlaus Jensen start_sqs = nvme_cq_full(cq) ? 1 : 0; 640288eea45cSKlaus Jensen cq->head = new_head; 640388eea45cSKlaus Jensen if (start_sqs) { 640488eea45cSKlaus Jensen NvmeSQueue *sq; 640588eea45cSKlaus Jensen QTAILQ_FOREACH(sq, &cq->sq_list, entry) { 640688eea45cSKlaus Jensen timer_mod(sq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); 640788eea45cSKlaus Jensen } 640888eea45cSKlaus Jensen timer_mod(cq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); 640988eea45cSKlaus Jensen } 641088eea45cSKlaus Jensen 641188eea45cSKlaus Jensen if (cq->tail == cq->head) { 641283d7ed5cSKlaus Jensen if (cq->irq_enabled) { 641383d7ed5cSKlaus Jensen n->cq_pending--; 641483d7ed5cSKlaus Jensen } 641583d7ed5cSKlaus Jensen 641688eea45cSKlaus Jensen nvme_irq_deassert(n, cq); 641788eea45cSKlaus Jensen } 641888eea45cSKlaus Jensen } else { 641988eea45cSKlaus Jensen /* Submission queue doorbell write */ 642088eea45cSKlaus Jensen 642188eea45cSKlaus Jensen uint16_t new_tail = val & 0xffff; 642288eea45cSKlaus Jensen NvmeSQueue *sq; 642388eea45cSKlaus Jensen 642488eea45cSKlaus Jensen qid = (addr - 0x1000) >> 3; 642588eea45cSKlaus Jensen if (unlikely(nvme_check_sqid(n, qid))) { 642688eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_sq, 642788eea45cSKlaus Jensen "submission queue doorbell write" 642888eea45cSKlaus Jensen " for nonexistent queue," 642988eea45cSKlaus Jensen " sqid=%"PRIu32", ignoring", qid); 643088eea45cSKlaus Jensen 643188eea45cSKlaus Jensen if (n->outstanding_aers) { 643288eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 643388eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_REGISTER, 643488eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 643588eea45cSKlaus Jensen } 643688eea45cSKlaus Jensen 643788eea45cSKlaus Jensen return; 643888eea45cSKlaus Jensen } 643988eea45cSKlaus Jensen 644088eea45cSKlaus Jensen sq = n->sq[qid]; 644188eea45cSKlaus Jensen if (unlikely(new_tail >= sq->size)) { 644288eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_sqtail, 644388eea45cSKlaus Jensen "submission queue doorbell write value" 644488eea45cSKlaus Jensen " beyond queue size, sqid=%"PRIu32"," 644588eea45cSKlaus Jensen " new_tail=%"PRIu16", ignoring", 644688eea45cSKlaus Jensen qid, new_tail); 644788eea45cSKlaus Jensen 644888eea45cSKlaus Jensen if (n->outstanding_aers) { 644988eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 645088eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_VALUE, 645188eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 645288eea45cSKlaus Jensen } 645388eea45cSKlaus Jensen 645488eea45cSKlaus Jensen return; 645588eea45cSKlaus Jensen } 645688eea45cSKlaus Jensen 645788eea45cSKlaus Jensen trace_pci_nvme_mmio_doorbell_sq(sq->sqid, new_tail); 645888eea45cSKlaus Jensen 645988eea45cSKlaus Jensen sq->tail = new_tail; 646088eea45cSKlaus Jensen timer_mod(sq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); 646188eea45cSKlaus Jensen } 646288eea45cSKlaus Jensen } 646388eea45cSKlaus Jensen 646488eea45cSKlaus Jensen static void nvme_mmio_write(void *opaque, hwaddr addr, uint64_t data, 646588eea45cSKlaus Jensen unsigned size) 646688eea45cSKlaus Jensen { 646788eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 646888eea45cSKlaus Jensen 646988eea45cSKlaus Jensen trace_pci_nvme_mmio_write(addr, data, size); 647088eea45cSKlaus Jensen 647188eea45cSKlaus Jensen if (addr < sizeof(n->bar)) { 647288eea45cSKlaus Jensen nvme_write_bar(n, addr, data, size); 647388eea45cSKlaus Jensen } else { 647488eea45cSKlaus Jensen nvme_process_db(n, addr, data); 647588eea45cSKlaus Jensen } 647688eea45cSKlaus Jensen } 647788eea45cSKlaus Jensen 647888eea45cSKlaus Jensen static const MemoryRegionOps nvme_mmio_ops = { 647988eea45cSKlaus Jensen .read = nvme_mmio_read, 648088eea45cSKlaus Jensen .write = nvme_mmio_write, 648188eea45cSKlaus Jensen .endianness = DEVICE_LITTLE_ENDIAN, 648288eea45cSKlaus Jensen .impl = { 648388eea45cSKlaus Jensen .min_access_size = 2, 648488eea45cSKlaus Jensen .max_access_size = 8, 648588eea45cSKlaus Jensen }, 648688eea45cSKlaus Jensen }; 648788eea45cSKlaus Jensen 648888eea45cSKlaus Jensen static void nvme_cmb_write(void *opaque, hwaddr addr, uint64_t data, 648988eea45cSKlaus Jensen unsigned size) 649088eea45cSKlaus Jensen { 649188eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 649288eea45cSKlaus Jensen stn_le_p(&n->cmb.buf[addr], size, data); 649388eea45cSKlaus Jensen } 649488eea45cSKlaus Jensen 649588eea45cSKlaus Jensen static uint64_t nvme_cmb_read(void *opaque, hwaddr addr, unsigned size) 649688eea45cSKlaus Jensen { 649788eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 649888eea45cSKlaus Jensen return ldn_le_p(&n->cmb.buf[addr], size); 649988eea45cSKlaus Jensen } 650088eea45cSKlaus Jensen 650188eea45cSKlaus Jensen static const MemoryRegionOps nvme_cmb_ops = { 650288eea45cSKlaus Jensen .read = nvme_cmb_read, 650388eea45cSKlaus Jensen .write = nvme_cmb_write, 650488eea45cSKlaus Jensen .endianness = DEVICE_LITTLE_ENDIAN, 650588eea45cSKlaus Jensen .impl = { 650688eea45cSKlaus Jensen .min_access_size = 1, 650788eea45cSKlaus Jensen .max_access_size = 8, 650888eea45cSKlaus Jensen }, 650988eea45cSKlaus Jensen }; 651088eea45cSKlaus Jensen 651188eea45cSKlaus Jensen static void nvme_check_constraints(NvmeCtrl *n, Error **errp) 651288eea45cSKlaus Jensen { 651388eea45cSKlaus Jensen NvmeParams *params = &n->params; 651488eea45cSKlaus Jensen 651588eea45cSKlaus Jensen if (params->num_queues) { 651688eea45cSKlaus Jensen warn_report("num_queues is deprecated; please use max_ioqpairs " 651788eea45cSKlaus Jensen "instead"); 651888eea45cSKlaus Jensen 651988eea45cSKlaus Jensen params->max_ioqpairs = params->num_queues - 1; 652088eea45cSKlaus Jensen } 652188eea45cSKlaus Jensen 652288eea45cSKlaus Jensen if (n->namespace.blkconf.blk && n->subsys) { 652388eea45cSKlaus Jensen error_setg(errp, "subsystem support is unavailable with legacy " 652488eea45cSKlaus Jensen "namespace ('drive' property)"); 652588eea45cSKlaus Jensen return; 652688eea45cSKlaus Jensen } 652788eea45cSKlaus Jensen 652888eea45cSKlaus Jensen if (params->max_ioqpairs < 1 || 652988eea45cSKlaus Jensen params->max_ioqpairs > NVME_MAX_IOQPAIRS) { 653088eea45cSKlaus Jensen error_setg(errp, "max_ioqpairs must be between 1 and %d", 653188eea45cSKlaus Jensen NVME_MAX_IOQPAIRS); 653288eea45cSKlaus Jensen return; 653388eea45cSKlaus Jensen } 653488eea45cSKlaus Jensen 653588eea45cSKlaus Jensen if (params->msix_qsize < 1 || 653688eea45cSKlaus Jensen params->msix_qsize > PCI_MSIX_FLAGS_QSIZE + 1) { 653788eea45cSKlaus Jensen error_setg(errp, "msix_qsize must be between 1 and %d", 653888eea45cSKlaus Jensen PCI_MSIX_FLAGS_QSIZE + 1); 653988eea45cSKlaus Jensen return; 654088eea45cSKlaus Jensen } 654188eea45cSKlaus Jensen 654288eea45cSKlaus Jensen if (!params->serial) { 654388eea45cSKlaus Jensen error_setg(errp, "serial property not set"); 654488eea45cSKlaus Jensen return; 654588eea45cSKlaus Jensen } 654688eea45cSKlaus Jensen 654788eea45cSKlaus Jensen if (n->pmr.dev) { 654888eea45cSKlaus Jensen if (host_memory_backend_is_mapped(n->pmr.dev)) { 654988eea45cSKlaus Jensen error_setg(errp, "can't use already busy memdev: %s", 655088eea45cSKlaus Jensen object_get_canonical_path_component(OBJECT(n->pmr.dev))); 655188eea45cSKlaus Jensen return; 655288eea45cSKlaus Jensen } 655388eea45cSKlaus Jensen 655488eea45cSKlaus Jensen if (!is_power_of_2(n->pmr.dev->size)) { 655588eea45cSKlaus Jensen error_setg(errp, "pmr backend size needs to be power of 2 in size"); 655688eea45cSKlaus Jensen return; 655788eea45cSKlaus Jensen } 655888eea45cSKlaus Jensen 655988eea45cSKlaus Jensen host_memory_backend_set_mapped(n->pmr.dev, true); 656088eea45cSKlaus Jensen } 656188eea45cSKlaus Jensen 656288eea45cSKlaus Jensen if (n->params.zasl > n->params.mdts) { 656388eea45cSKlaus Jensen error_setg(errp, "zoned.zasl (Zone Append Size Limit) must be less " 656488eea45cSKlaus Jensen "than or equal to mdts (Maximum Data Transfer Size)"); 656588eea45cSKlaus Jensen return; 656688eea45cSKlaus Jensen } 656788eea45cSKlaus Jensen 656888eea45cSKlaus Jensen if (!n->params.vsl) { 656988eea45cSKlaus Jensen error_setg(errp, "vsl must be non-zero"); 657088eea45cSKlaus Jensen return; 657188eea45cSKlaus Jensen } 657288eea45cSKlaus Jensen } 657388eea45cSKlaus Jensen 657488eea45cSKlaus Jensen static void nvme_init_state(NvmeCtrl *n) 657588eea45cSKlaus Jensen { 657688eea45cSKlaus Jensen /* add one to max_ioqpairs to account for the admin queue pair */ 657788eea45cSKlaus Jensen n->reg_size = pow2ceil(sizeof(NvmeBar) + 657888eea45cSKlaus Jensen 2 * (n->params.max_ioqpairs + 1) * NVME_DB_SIZE); 657988eea45cSKlaus Jensen n->sq = g_new0(NvmeSQueue *, n->params.max_ioqpairs + 1); 658088eea45cSKlaus Jensen n->cq = g_new0(NvmeCQueue *, n->params.max_ioqpairs + 1); 658188eea45cSKlaus Jensen n->temperature = NVME_TEMPERATURE; 658288eea45cSKlaus Jensen n->features.temp_thresh_hi = NVME_TEMPERATURE_WARNING; 658388eea45cSKlaus Jensen n->starttime_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 658488eea45cSKlaus Jensen n->aer_reqs = g_new0(NvmeRequest *, n->params.aerl + 1); 658588eea45cSKlaus Jensen } 658688eea45cSKlaus Jensen 658788eea45cSKlaus Jensen static void nvme_init_cmb(NvmeCtrl *n, PCIDevice *pci_dev) 658888eea45cSKlaus Jensen { 658988eea45cSKlaus Jensen uint64_t cmb_size = n->params.cmb_size_mb * MiB; 659049e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 659188eea45cSKlaus Jensen 659288eea45cSKlaus Jensen n->cmb.buf = g_malloc0(cmb_size); 659388eea45cSKlaus Jensen memory_region_init_io(&n->cmb.mem, OBJECT(n), &nvme_cmb_ops, n, 659488eea45cSKlaus Jensen "nvme-cmb", cmb_size); 659588eea45cSKlaus Jensen pci_register_bar(pci_dev, NVME_CMB_BIR, 659688eea45cSKlaus Jensen PCI_BASE_ADDRESS_SPACE_MEMORY | 659788eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64 | 659888eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_PREFETCH, &n->cmb.mem); 659988eea45cSKlaus Jensen 660049e03457SKlaus Jensen NVME_CAP_SET_CMBS(cap, 1); 660149e03457SKlaus Jensen stq_le_p(&n->bar.cap, cap); 660288eea45cSKlaus Jensen 660388eea45cSKlaus Jensen if (n->params.legacy_cmb) { 660488eea45cSKlaus Jensen nvme_cmb_enable_regs(n); 660588eea45cSKlaus Jensen n->cmb.cmse = true; 660688eea45cSKlaus Jensen } 660788eea45cSKlaus Jensen } 660888eea45cSKlaus Jensen 660988eea45cSKlaus Jensen static void nvme_init_pmr(NvmeCtrl *n, PCIDevice *pci_dev) 661088eea45cSKlaus Jensen { 661149e03457SKlaus Jensen uint32_t pmrcap = ldl_le_p(&n->bar.pmrcap); 661288eea45cSKlaus Jensen 661349e03457SKlaus Jensen NVME_PMRCAP_SET_RDS(pmrcap, 1); 661449e03457SKlaus Jensen NVME_PMRCAP_SET_WDS(pmrcap, 1); 661549e03457SKlaus Jensen NVME_PMRCAP_SET_BIR(pmrcap, NVME_PMR_BIR); 661649e03457SKlaus Jensen /* Turn on bit 1 support */ 661749e03457SKlaus Jensen NVME_PMRCAP_SET_PMRWBM(pmrcap, 0x02); 661849e03457SKlaus Jensen NVME_PMRCAP_SET_CMSS(pmrcap, 1); 661949e03457SKlaus Jensen stl_le_p(&n->bar.pmrcap, pmrcap); 662049e03457SKlaus Jensen 662149e03457SKlaus Jensen pci_register_bar(pci_dev, NVME_PMR_BIR, 662288eea45cSKlaus Jensen PCI_BASE_ADDRESS_SPACE_MEMORY | 662388eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64 | 662488eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_PREFETCH, &n->pmr.dev->mr); 662588eea45cSKlaus Jensen 662688eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, false); 662788eea45cSKlaus Jensen } 662888eea45cSKlaus Jensen 662988eea45cSKlaus Jensen static int nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev, Error **errp) 663088eea45cSKlaus Jensen { 663188eea45cSKlaus Jensen uint8_t *pci_conf = pci_dev->config; 663288eea45cSKlaus Jensen uint64_t bar_size, msix_table_size, msix_pba_size; 663388eea45cSKlaus Jensen unsigned msix_table_offset, msix_pba_offset; 663488eea45cSKlaus Jensen int ret; 663588eea45cSKlaus Jensen 663688eea45cSKlaus Jensen Error *err = NULL; 663788eea45cSKlaus Jensen 663888eea45cSKlaus Jensen pci_conf[PCI_INTERRUPT_PIN] = 1; 663988eea45cSKlaus Jensen pci_config_set_prog_interface(pci_conf, 0x2); 664088eea45cSKlaus Jensen 664188eea45cSKlaus Jensen if (n->params.use_intel_id) { 664288eea45cSKlaus Jensen pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL); 664388eea45cSKlaus Jensen pci_config_set_device_id(pci_conf, 0x5845); 664488eea45cSKlaus Jensen } else { 664588eea45cSKlaus Jensen pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_REDHAT); 664688eea45cSKlaus Jensen pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_REDHAT_NVME); 664788eea45cSKlaus Jensen } 664888eea45cSKlaus Jensen 664988eea45cSKlaus Jensen pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_EXPRESS); 665088eea45cSKlaus Jensen pcie_endpoint_cap_init(pci_dev, 0x80); 665188eea45cSKlaus Jensen 665288eea45cSKlaus Jensen bar_size = QEMU_ALIGN_UP(n->reg_size, 4 * KiB); 665388eea45cSKlaus Jensen msix_table_offset = bar_size; 665488eea45cSKlaus Jensen msix_table_size = PCI_MSIX_ENTRY_SIZE * n->params.msix_qsize; 665588eea45cSKlaus Jensen 665688eea45cSKlaus Jensen bar_size += msix_table_size; 665788eea45cSKlaus Jensen bar_size = QEMU_ALIGN_UP(bar_size, 4 * KiB); 665888eea45cSKlaus Jensen msix_pba_offset = bar_size; 665988eea45cSKlaus Jensen msix_pba_size = QEMU_ALIGN_UP(n->params.msix_qsize, 64) / 8; 666088eea45cSKlaus Jensen 666188eea45cSKlaus Jensen bar_size += msix_pba_size; 666288eea45cSKlaus Jensen bar_size = pow2ceil(bar_size); 666388eea45cSKlaus Jensen 666488eea45cSKlaus Jensen memory_region_init(&n->bar0, OBJECT(n), "nvme-bar0", bar_size); 666588eea45cSKlaus Jensen memory_region_init_io(&n->iomem, OBJECT(n), &nvme_mmio_ops, n, "nvme", 666688eea45cSKlaus Jensen n->reg_size); 666788eea45cSKlaus Jensen memory_region_add_subregion(&n->bar0, 0, &n->iomem); 666888eea45cSKlaus Jensen 666988eea45cSKlaus Jensen pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY | 667088eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64, &n->bar0); 667188eea45cSKlaus Jensen ret = msix_init(pci_dev, n->params.msix_qsize, 667288eea45cSKlaus Jensen &n->bar0, 0, msix_table_offset, 667388eea45cSKlaus Jensen &n->bar0, 0, msix_pba_offset, 0, &err); 667488eea45cSKlaus Jensen if (ret < 0) { 667588eea45cSKlaus Jensen if (ret == -ENOTSUP) { 667688eea45cSKlaus Jensen warn_report_err(err); 667788eea45cSKlaus Jensen } else { 667888eea45cSKlaus Jensen error_propagate(errp, err); 667988eea45cSKlaus Jensen return ret; 668088eea45cSKlaus Jensen } 668188eea45cSKlaus Jensen } 668288eea45cSKlaus Jensen 668388eea45cSKlaus Jensen if (n->params.cmb_size_mb) { 668488eea45cSKlaus Jensen nvme_init_cmb(n, pci_dev); 668588eea45cSKlaus Jensen } 668688eea45cSKlaus Jensen 668788eea45cSKlaus Jensen if (n->pmr.dev) { 668888eea45cSKlaus Jensen nvme_init_pmr(n, pci_dev); 668988eea45cSKlaus Jensen } 669088eea45cSKlaus Jensen 669188eea45cSKlaus Jensen return 0; 669288eea45cSKlaus Jensen } 669388eea45cSKlaus Jensen 669488eea45cSKlaus Jensen static void nvme_init_subnqn(NvmeCtrl *n) 669588eea45cSKlaus Jensen { 669688eea45cSKlaus Jensen NvmeSubsystem *subsys = n->subsys; 669788eea45cSKlaus Jensen NvmeIdCtrl *id = &n->id_ctrl; 669888eea45cSKlaus Jensen 669988eea45cSKlaus Jensen if (!subsys) { 670088eea45cSKlaus Jensen snprintf((char *)id->subnqn, sizeof(id->subnqn), 670188eea45cSKlaus Jensen "nqn.2019-08.org.qemu:%s", n->params.serial); 670288eea45cSKlaus Jensen } else { 670388eea45cSKlaus Jensen pstrcpy((char *)id->subnqn, sizeof(id->subnqn), (char*)subsys->subnqn); 670488eea45cSKlaus Jensen } 670588eea45cSKlaus Jensen } 670688eea45cSKlaus Jensen 670788eea45cSKlaus Jensen static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev) 670888eea45cSKlaus Jensen { 670988eea45cSKlaus Jensen NvmeIdCtrl *id = &n->id_ctrl; 671088eea45cSKlaus Jensen uint8_t *pci_conf = pci_dev->config; 671149e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 671288eea45cSKlaus Jensen 671388eea45cSKlaus Jensen id->vid = cpu_to_le16(pci_get_word(pci_conf + PCI_VENDOR_ID)); 671488eea45cSKlaus Jensen id->ssvid = cpu_to_le16(pci_get_word(pci_conf + PCI_SUBSYSTEM_VENDOR_ID)); 671588eea45cSKlaus Jensen strpadcpy((char *)id->mn, sizeof(id->mn), "QEMU NVMe Ctrl", ' '); 6716*fbba243bSKlaus Jensen strpadcpy((char *)id->fr, sizeof(id->fr), QEMU_VERSION, ' '); 671788eea45cSKlaus Jensen strpadcpy((char *)id->sn, sizeof(id->sn), n->params.serial, ' '); 671888eea45cSKlaus Jensen 671988eea45cSKlaus Jensen id->cntlid = cpu_to_le16(n->cntlid); 672088eea45cSKlaus Jensen 672188eea45cSKlaus Jensen id->oaes = cpu_to_le32(NVME_OAES_NS_ATTR); 6722763c05dfSNaveen Nagar id->ctratt |= cpu_to_le32(NVME_CTRATT_ELBAS); 672388eea45cSKlaus Jensen 672488eea45cSKlaus Jensen id->rab = 6; 672588eea45cSKlaus Jensen 672688eea45cSKlaus Jensen if (n->params.use_intel_id) { 672788eea45cSKlaus Jensen id->ieee[0] = 0xb3; 672888eea45cSKlaus Jensen id->ieee[1] = 0x02; 672988eea45cSKlaus Jensen id->ieee[2] = 0x00; 673088eea45cSKlaus Jensen } else { 673188eea45cSKlaus Jensen id->ieee[0] = 0x00; 673288eea45cSKlaus Jensen id->ieee[1] = 0x54; 673388eea45cSKlaus Jensen id->ieee[2] = 0x52; 673488eea45cSKlaus Jensen } 673588eea45cSKlaus Jensen 673688eea45cSKlaus Jensen id->mdts = n->params.mdts; 673788eea45cSKlaus Jensen id->ver = cpu_to_le32(NVME_SPEC_VER); 673888eea45cSKlaus Jensen id->oacs = cpu_to_le16(NVME_OACS_NS_MGMT | NVME_OACS_FORMAT); 673988eea45cSKlaus Jensen id->cntrltype = 0x1; 674088eea45cSKlaus Jensen 674188eea45cSKlaus Jensen /* 674288eea45cSKlaus Jensen * Because the controller always completes the Abort command immediately, 674388eea45cSKlaus Jensen * there can never be more than one concurrently executing Abort command, 674488eea45cSKlaus Jensen * so this value is never used for anything. Note that there can easily be 674588eea45cSKlaus Jensen * many Abort commands in the queues, but they are not considered 674688eea45cSKlaus Jensen * "executing" until processed by nvme_abort. 674788eea45cSKlaus Jensen * 674888eea45cSKlaus Jensen * The specification recommends a value of 3 for Abort Command Limit (four 674988eea45cSKlaus Jensen * concurrently outstanding Abort commands), so lets use that though it is 675088eea45cSKlaus Jensen * inconsequential. 675188eea45cSKlaus Jensen */ 675288eea45cSKlaus Jensen id->acl = 3; 675388eea45cSKlaus Jensen id->aerl = n->params.aerl; 675488eea45cSKlaus Jensen id->frmw = (NVME_NUM_FW_SLOTS << 1) | NVME_FRMW_SLOT1_RO; 675588eea45cSKlaus Jensen id->lpa = NVME_LPA_NS_SMART | NVME_LPA_CSE | NVME_LPA_EXTENDED; 675688eea45cSKlaus Jensen 675788eea45cSKlaus Jensen /* recommended default value (~70 C) */ 675888eea45cSKlaus Jensen id->wctemp = cpu_to_le16(NVME_TEMPERATURE_WARNING); 675988eea45cSKlaus Jensen id->cctemp = cpu_to_le16(NVME_TEMPERATURE_CRITICAL); 676088eea45cSKlaus Jensen 676188eea45cSKlaus Jensen id->sqes = (0x6 << 4) | 0x6; 676288eea45cSKlaus Jensen id->cqes = (0x4 << 4) | 0x4; 676388eea45cSKlaus Jensen id->nn = cpu_to_le32(NVME_MAX_NAMESPACES); 676488eea45cSKlaus Jensen id->oncs = cpu_to_le16(NVME_ONCS_WRITE_ZEROES | NVME_ONCS_TIMESTAMP | 676588eea45cSKlaus Jensen NVME_ONCS_FEATURES | NVME_ONCS_DSM | 676688eea45cSKlaus Jensen NVME_ONCS_COMPARE | NVME_ONCS_COPY); 676788eea45cSKlaus Jensen 676888eea45cSKlaus Jensen /* 676988eea45cSKlaus Jensen * NOTE: If this device ever supports a command set that does NOT use 0x0 677088eea45cSKlaus Jensen * as a Flush-equivalent operation, support for the broadcast NSID in Flush 677188eea45cSKlaus Jensen * should probably be removed. 677288eea45cSKlaus Jensen * 677388eea45cSKlaus Jensen * See comment in nvme_io_cmd. 677488eea45cSKlaus Jensen */ 677588eea45cSKlaus Jensen id->vwc = NVME_VWC_NSID_BROADCAST_SUPPORT | NVME_VWC_PRESENT; 677688eea45cSKlaus Jensen 677744219b60SNaveen Nagar id->ocfs = cpu_to_le16(NVME_OCFS_COPY_FORMAT_0 | NVME_OCFS_COPY_FORMAT_1); 677888eea45cSKlaus Jensen id->sgls = cpu_to_le32(NVME_CTRL_SGLS_SUPPORT_NO_ALIGN | 677988eea45cSKlaus Jensen NVME_CTRL_SGLS_BITBUCKET); 678088eea45cSKlaus Jensen 678188eea45cSKlaus Jensen nvme_init_subnqn(n); 678288eea45cSKlaus Jensen 678388eea45cSKlaus Jensen id->psd[0].mp = cpu_to_le16(0x9c4); 678488eea45cSKlaus Jensen id->psd[0].enlat = cpu_to_le32(0x10); 678588eea45cSKlaus Jensen id->psd[0].exlat = cpu_to_le32(0x4); 678688eea45cSKlaus Jensen 678788eea45cSKlaus Jensen if (n->subsys) { 678888eea45cSKlaus Jensen id->cmic |= NVME_CMIC_MULTI_CTRL; 678988eea45cSKlaus Jensen } 679088eea45cSKlaus Jensen 679149e03457SKlaus Jensen NVME_CAP_SET_MQES(cap, 0x7ff); 679249e03457SKlaus Jensen NVME_CAP_SET_CQR(cap, 1); 679349e03457SKlaus Jensen NVME_CAP_SET_TO(cap, 0xf); 679449e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_NVM); 679549e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_CSI_SUPP); 679649e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_ADMIN_ONLY); 679749e03457SKlaus Jensen NVME_CAP_SET_MPSMAX(cap, 4); 679849e03457SKlaus Jensen NVME_CAP_SET_CMBS(cap, n->params.cmb_size_mb ? 1 : 0); 679949e03457SKlaus Jensen NVME_CAP_SET_PMRS(cap, n->pmr.dev ? 1 : 0); 680049e03457SKlaus Jensen stq_le_p(&n->bar.cap, cap); 680188eea45cSKlaus Jensen 680249e03457SKlaus Jensen stl_le_p(&n->bar.vs, NVME_SPEC_VER); 680388eea45cSKlaus Jensen n->bar.intmc = n->bar.intms = 0; 680488eea45cSKlaus Jensen } 680588eea45cSKlaus Jensen 680688eea45cSKlaus Jensen static int nvme_init_subsys(NvmeCtrl *n, Error **errp) 680788eea45cSKlaus Jensen { 680888eea45cSKlaus Jensen int cntlid; 680988eea45cSKlaus Jensen 681088eea45cSKlaus Jensen if (!n->subsys) { 681188eea45cSKlaus Jensen return 0; 681288eea45cSKlaus Jensen } 681388eea45cSKlaus Jensen 681488eea45cSKlaus Jensen cntlid = nvme_subsys_register_ctrl(n, errp); 681588eea45cSKlaus Jensen if (cntlid < 0) { 681688eea45cSKlaus Jensen return -1; 681788eea45cSKlaus Jensen } 681888eea45cSKlaus Jensen 681988eea45cSKlaus Jensen n->cntlid = cntlid; 682088eea45cSKlaus Jensen 682188eea45cSKlaus Jensen return 0; 682288eea45cSKlaus Jensen } 682388eea45cSKlaus Jensen 682488eea45cSKlaus Jensen void nvme_attach_ns(NvmeCtrl *n, NvmeNamespace *ns) 682588eea45cSKlaus Jensen { 682688eea45cSKlaus Jensen uint32_t nsid = ns->params.nsid; 682788eea45cSKlaus Jensen assert(nsid && nsid <= NVME_MAX_NAMESPACES); 682888eea45cSKlaus Jensen 682988eea45cSKlaus Jensen n->namespaces[nsid] = ns; 683088eea45cSKlaus Jensen ns->attached++; 683188eea45cSKlaus Jensen 683288eea45cSKlaus Jensen n->dmrsl = MIN_NON_ZERO(n->dmrsl, 683388eea45cSKlaus Jensen BDRV_REQUEST_MAX_BYTES / nvme_l2b(ns, 1)); 683488eea45cSKlaus Jensen } 683588eea45cSKlaus Jensen 683688eea45cSKlaus Jensen static void nvme_realize(PCIDevice *pci_dev, Error **errp) 683788eea45cSKlaus Jensen { 683888eea45cSKlaus Jensen NvmeCtrl *n = NVME(pci_dev); 683988eea45cSKlaus Jensen NvmeNamespace *ns; 684088eea45cSKlaus Jensen Error *local_err = NULL; 684188eea45cSKlaus Jensen 684288eea45cSKlaus Jensen nvme_check_constraints(n, &local_err); 684388eea45cSKlaus Jensen if (local_err) { 684488eea45cSKlaus Jensen error_propagate(errp, local_err); 684588eea45cSKlaus Jensen return; 684688eea45cSKlaus Jensen } 684788eea45cSKlaus Jensen 6848d637e1dcSPeter Maydell qbus_init(&n->bus, sizeof(NvmeBus), TYPE_NVME_BUS, 684988eea45cSKlaus Jensen &pci_dev->qdev, n->parent_obj.qdev.id); 685088eea45cSKlaus Jensen 685188eea45cSKlaus Jensen nvme_init_state(n); 685288eea45cSKlaus Jensen if (nvme_init_pci(n, pci_dev, errp)) { 685388eea45cSKlaus Jensen return; 685488eea45cSKlaus Jensen } 685588eea45cSKlaus Jensen 685688eea45cSKlaus Jensen if (nvme_init_subsys(n, errp)) { 685788eea45cSKlaus Jensen error_propagate(errp, local_err); 685888eea45cSKlaus Jensen return; 685988eea45cSKlaus Jensen } 686088eea45cSKlaus Jensen nvme_init_ctrl(n, pci_dev); 686188eea45cSKlaus Jensen 686288eea45cSKlaus Jensen /* setup a namespace if the controller drive property was given */ 686388eea45cSKlaus Jensen if (n->namespace.blkconf.blk) { 686488eea45cSKlaus Jensen ns = &n->namespace; 686588eea45cSKlaus Jensen ns->params.nsid = 1; 686688eea45cSKlaus Jensen 68675e4f6bccSKlaus Jensen if (nvme_ns_setup(ns, errp)) { 686888eea45cSKlaus Jensen return; 686988eea45cSKlaus Jensen } 687088eea45cSKlaus Jensen 687188eea45cSKlaus Jensen nvme_attach_ns(n, ns); 687288eea45cSKlaus Jensen } 687388eea45cSKlaus Jensen } 687488eea45cSKlaus Jensen 687588eea45cSKlaus Jensen static void nvme_exit(PCIDevice *pci_dev) 687688eea45cSKlaus Jensen { 687788eea45cSKlaus Jensen NvmeCtrl *n = NVME(pci_dev); 687888eea45cSKlaus Jensen NvmeNamespace *ns; 687988eea45cSKlaus Jensen int i; 688088eea45cSKlaus Jensen 688188eea45cSKlaus Jensen nvme_ctrl_reset(n); 688288eea45cSKlaus Jensen 68835ffbaeedSKlaus Jensen if (n->subsys) { 688488eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 688588eea45cSKlaus Jensen ns = nvme_ns(n, i); 68865ffbaeedSKlaus Jensen if (ns) { 68875ffbaeedSKlaus Jensen ns->attached--; 68885ffbaeedSKlaus Jensen } 688988eea45cSKlaus Jensen } 689088eea45cSKlaus Jensen 6891b0fde9e8SKlaus Jensen nvme_subsys_unregister_ctrl(n->subsys, n); 6892b0fde9e8SKlaus Jensen } 6893b0fde9e8SKlaus Jensen 689488eea45cSKlaus Jensen g_free(n->cq); 689588eea45cSKlaus Jensen g_free(n->sq); 689688eea45cSKlaus Jensen g_free(n->aer_reqs); 689788eea45cSKlaus Jensen 689888eea45cSKlaus Jensen if (n->params.cmb_size_mb) { 689988eea45cSKlaus Jensen g_free(n->cmb.buf); 690088eea45cSKlaus Jensen } 690188eea45cSKlaus Jensen 690288eea45cSKlaus Jensen if (n->pmr.dev) { 690388eea45cSKlaus Jensen host_memory_backend_set_mapped(n->pmr.dev, false); 690488eea45cSKlaus Jensen } 690588eea45cSKlaus Jensen msix_uninit(pci_dev, &n->bar0, &n->bar0); 690688eea45cSKlaus Jensen memory_region_del_subregion(&n->bar0, &n->iomem); 690788eea45cSKlaus Jensen } 690888eea45cSKlaus Jensen 690988eea45cSKlaus Jensen static Property nvme_props[] = { 691088eea45cSKlaus Jensen DEFINE_BLOCK_PROPERTIES(NvmeCtrl, namespace.blkconf), 691188eea45cSKlaus Jensen DEFINE_PROP_LINK("pmrdev", NvmeCtrl, pmr.dev, TYPE_MEMORY_BACKEND, 691288eea45cSKlaus Jensen HostMemoryBackend *), 691388eea45cSKlaus Jensen DEFINE_PROP_LINK("subsys", NvmeCtrl, subsys, TYPE_NVME_SUBSYS, 691488eea45cSKlaus Jensen NvmeSubsystem *), 691588eea45cSKlaus Jensen DEFINE_PROP_STRING("serial", NvmeCtrl, params.serial), 691688eea45cSKlaus Jensen DEFINE_PROP_UINT32("cmb_size_mb", NvmeCtrl, params.cmb_size_mb, 0), 691788eea45cSKlaus Jensen DEFINE_PROP_UINT32("num_queues", NvmeCtrl, params.num_queues, 0), 691888eea45cSKlaus Jensen DEFINE_PROP_UINT32("max_ioqpairs", NvmeCtrl, params.max_ioqpairs, 64), 691988eea45cSKlaus Jensen DEFINE_PROP_UINT16("msix_qsize", NvmeCtrl, params.msix_qsize, 65), 692088eea45cSKlaus Jensen DEFINE_PROP_UINT8("aerl", NvmeCtrl, params.aerl, 3), 692188eea45cSKlaus Jensen DEFINE_PROP_UINT32("aer_max_queued", NvmeCtrl, params.aer_max_queued, 64), 692288eea45cSKlaus Jensen DEFINE_PROP_UINT8("mdts", NvmeCtrl, params.mdts, 7), 692388eea45cSKlaus Jensen DEFINE_PROP_UINT8("vsl", NvmeCtrl, params.vsl, 7), 692488eea45cSKlaus Jensen DEFINE_PROP_BOOL("use-intel-id", NvmeCtrl, params.use_intel_id, false), 692588eea45cSKlaus Jensen DEFINE_PROP_BOOL("legacy-cmb", NvmeCtrl, params.legacy_cmb, false), 692688eea45cSKlaus Jensen DEFINE_PROP_UINT8("zoned.zasl", NvmeCtrl, params.zasl, 0), 6927cccc2651SNiklas Cassel DEFINE_PROP_BOOL("zoned.auto_transition", NvmeCtrl, 6928cccc2651SNiklas Cassel params.auto_transition_zones, true), 692988eea45cSKlaus Jensen DEFINE_PROP_END_OF_LIST(), 693088eea45cSKlaus Jensen }; 693188eea45cSKlaus Jensen 693288eea45cSKlaus Jensen static void nvme_get_smart_warning(Object *obj, Visitor *v, const char *name, 693388eea45cSKlaus Jensen void *opaque, Error **errp) 693488eea45cSKlaus Jensen { 693588eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 693688eea45cSKlaus Jensen uint8_t value = n->smart_critical_warning; 693788eea45cSKlaus Jensen 693888eea45cSKlaus Jensen visit_type_uint8(v, name, &value, errp); 693988eea45cSKlaus Jensen } 694088eea45cSKlaus Jensen 694188eea45cSKlaus Jensen static void nvme_set_smart_warning(Object *obj, Visitor *v, const char *name, 694288eea45cSKlaus Jensen void *opaque, Error **errp) 694388eea45cSKlaus Jensen { 694488eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 694588eea45cSKlaus Jensen uint8_t value, old_value, cap = 0, index, event; 694688eea45cSKlaus Jensen 694788eea45cSKlaus Jensen if (!visit_type_uint8(v, name, &value, errp)) { 694888eea45cSKlaus Jensen return; 694988eea45cSKlaus Jensen } 695088eea45cSKlaus Jensen 695188eea45cSKlaus Jensen cap = NVME_SMART_SPARE | NVME_SMART_TEMPERATURE | NVME_SMART_RELIABILITY 695288eea45cSKlaus Jensen | NVME_SMART_MEDIA_READ_ONLY | NVME_SMART_FAILED_VOLATILE_MEDIA; 695349e03457SKlaus Jensen if (NVME_CAP_PMRS(ldq_le_p(&n->bar.cap))) { 695488eea45cSKlaus Jensen cap |= NVME_SMART_PMR_UNRELIABLE; 695588eea45cSKlaus Jensen } 695688eea45cSKlaus Jensen 695788eea45cSKlaus Jensen if ((value & cap) != value) { 695888eea45cSKlaus Jensen error_setg(errp, "unsupported smart critical warning bits: 0x%x", 695988eea45cSKlaus Jensen value & ~cap); 696088eea45cSKlaus Jensen return; 696188eea45cSKlaus Jensen } 696288eea45cSKlaus Jensen 696388eea45cSKlaus Jensen old_value = n->smart_critical_warning; 696488eea45cSKlaus Jensen n->smart_critical_warning = value; 696588eea45cSKlaus Jensen 696688eea45cSKlaus Jensen /* only inject new bits of smart critical warning */ 696788eea45cSKlaus Jensen for (index = 0; index < NVME_SMART_WARN_MAX; index++) { 696888eea45cSKlaus Jensen event = 1 << index; 696988eea45cSKlaus Jensen if (value & ~old_value & event) 697088eea45cSKlaus Jensen nvme_smart_event(n, event); 697188eea45cSKlaus Jensen } 697288eea45cSKlaus Jensen } 697388eea45cSKlaus Jensen 697488eea45cSKlaus Jensen static const VMStateDescription nvme_vmstate = { 697588eea45cSKlaus Jensen .name = "nvme", 697688eea45cSKlaus Jensen .unmigratable = 1, 697788eea45cSKlaus Jensen }; 697888eea45cSKlaus Jensen 697988eea45cSKlaus Jensen static void nvme_class_init(ObjectClass *oc, void *data) 698088eea45cSKlaus Jensen { 698188eea45cSKlaus Jensen DeviceClass *dc = DEVICE_CLASS(oc); 698288eea45cSKlaus Jensen PCIDeviceClass *pc = PCI_DEVICE_CLASS(oc); 698388eea45cSKlaus Jensen 698488eea45cSKlaus Jensen pc->realize = nvme_realize; 698588eea45cSKlaus Jensen pc->exit = nvme_exit; 698688eea45cSKlaus Jensen pc->class_id = PCI_CLASS_STORAGE_EXPRESS; 698788eea45cSKlaus Jensen pc->revision = 2; 698888eea45cSKlaus Jensen 698988eea45cSKlaus Jensen set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 699088eea45cSKlaus Jensen dc->desc = "Non-Volatile Memory Express"; 699188eea45cSKlaus Jensen device_class_set_props(dc, nvme_props); 699288eea45cSKlaus Jensen dc->vmsd = &nvme_vmstate; 699388eea45cSKlaus Jensen } 699488eea45cSKlaus Jensen 699588eea45cSKlaus Jensen static void nvme_instance_init(Object *obj) 699688eea45cSKlaus Jensen { 699788eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 699888eea45cSKlaus Jensen 699988eea45cSKlaus Jensen device_add_bootindex_property(obj, &n->namespace.blkconf.bootindex, 700088eea45cSKlaus Jensen "bootindex", "/namespace@1,0", 700188eea45cSKlaus Jensen DEVICE(obj)); 700288eea45cSKlaus Jensen 700388eea45cSKlaus Jensen object_property_add(obj, "smart_critical_warning", "uint8", 700488eea45cSKlaus Jensen nvme_get_smart_warning, 700588eea45cSKlaus Jensen nvme_set_smart_warning, NULL, NULL); 700688eea45cSKlaus Jensen } 700788eea45cSKlaus Jensen 700888eea45cSKlaus Jensen static const TypeInfo nvme_info = { 700988eea45cSKlaus Jensen .name = TYPE_NVME, 701088eea45cSKlaus Jensen .parent = TYPE_PCI_DEVICE, 701188eea45cSKlaus Jensen .instance_size = sizeof(NvmeCtrl), 701288eea45cSKlaus Jensen .instance_init = nvme_instance_init, 701388eea45cSKlaus Jensen .class_init = nvme_class_init, 701488eea45cSKlaus Jensen .interfaces = (InterfaceInfo[]) { 701588eea45cSKlaus Jensen { INTERFACE_PCIE_DEVICE }, 701688eea45cSKlaus Jensen { } 701788eea45cSKlaus Jensen }, 701888eea45cSKlaus Jensen }; 701988eea45cSKlaus Jensen 702088eea45cSKlaus Jensen static const TypeInfo nvme_bus_info = { 702188eea45cSKlaus Jensen .name = TYPE_NVME_BUS, 702288eea45cSKlaus Jensen .parent = TYPE_BUS, 702388eea45cSKlaus Jensen .instance_size = sizeof(NvmeBus), 702488eea45cSKlaus Jensen }; 702588eea45cSKlaus Jensen 702688eea45cSKlaus Jensen static void nvme_register_types(void) 702788eea45cSKlaus Jensen { 702888eea45cSKlaus Jensen type_register_static(&nvme_info); 702988eea45cSKlaus Jensen type_register_static(&nvme_bus_info); 703088eea45cSKlaus Jensen } 703188eea45cSKlaus Jensen 703288eea45cSKlaus Jensen type_init(nvme_register_types) 7033