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" 16688eea45cSKlaus Jensen #include "trace.h" 16788eea45cSKlaus Jensen 16888eea45cSKlaus Jensen #define NVME_MAX_IOQPAIRS 0xffff 16988eea45cSKlaus Jensen #define NVME_DB_SIZE 4 17088eea45cSKlaus Jensen #define NVME_SPEC_VER 0x00010400 17188eea45cSKlaus Jensen #define NVME_CMB_BIR 2 17288eea45cSKlaus Jensen #define NVME_PMR_BIR 4 17388eea45cSKlaus Jensen #define NVME_TEMPERATURE 0x143 17488eea45cSKlaus Jensen #define NVME_TEMPERATURE_WARNING 0x157 17588eea45cSKlaus Jensen #define NVME_TEMPERATURE_CRITICAL 0x175 17688eea45cSKlaus Jensen #define NVME_NUM_FW_SLOTS 1 17788eea45cSKlaus Jensen #define NVME_DEFAULT_MAX_ZA_SIZE (128 * KiB) 17888eea45cSKlaus Jensen 17988eea45cSKlaus Jensen #define NVME_GUEST_ERR(trace, fmt, ...) \ 18088eea45cSKlaus Jensen do { \ 18188eea45cSKlaus Jensen (trace_##trace)(__VA_ARGS__); \ 18288eea45cSKlaus Jensen qemu_log_mask(LOG_GUEST_ERROR, #trace \ 18388eea45cSKlaus Jensen " in %s: " fmt "\n", __func__, ## __VA_ARGS__); \ 18488eea45cSKlaus Jensen } while (0) 18588eea45cSKlaus Jensen 18688eea45cSKlaus Jensen static const bool nvme_feature_support[NVME_FID_MAX] = { 18788eea45cSKlaus Jensen [NVME_ARBITRATION] = true, 18888eea45cSKlaus Jensen [NVME_POWER_MANAGEMENT] = true, 18988eea45cSKlaus Jensen [NVME_TEMPERATURE_THRESHOLD] = true, 19088eea45cSKlaus Jensen [NVME_ERROR_RECOVERY] = true, 19188eea45cSKlaus Jensen [NVME_VOLATILE_WRITE_CACHE] = true, 19288eea45cSKlaus Jensen [NVME_NUMBER_OF_QUEUES] = true, 19388eea45cSKlaus Jensen [NVME_INTERRUPT_COALESCING] = true, 19488eea45cSKlaus Jensen [NVME_INTERRUPT_VECTOR_CONF] = true, 19588eea45cSKlaus Jensen [NVME_WRITE_ATOMICITY] = true, 19688eea45cSKlaus Jensen [NVME_ASYNCHRONOUS_EVENT_CONF] = true, 19788eea45cSKlaus Jensen [NVME_TIMESTAMP] = true, 19888eea45cSKlaus Jensen [NVME_COMMAND_SET_PROFILE] = true, 19988eea45cSKlaus Jensen }; 20088eea45cSKlaus Jensen 20188eea45cSKlaus Jensen static const uint32_t nvme_feature_cap[NVME_FID_MAX] = { 20288eea45cSKlaus Jensen [NVME_TEMPERATURE_THRESHOLD] = NVME_FEAT_CAP_CHANGE, 20388eea45cSKlaus Jensen [NVME_ERROR_RECOVERY] = NVME_FEAT_CAP_CHANGE | NVME_FEAT_CAP_NS, 20488eea45cSKlaus Jensen [NVME_VOLATILE_WRITE_CACHE] = NVME_FEAT_CAP_CHANGE, 20588eea45cSKlaus Jensen [NVME_NUMBER_OF_QUEUES] = NVME_FEAT_CAP_CHANGE, 20688eea45cSKlaus Jensen [NVME_ASYNCHRONOUS_EVENT_CONF] = NVME_FEAT_CAP_CHANGE, 20788eea45cSKlaus Jensen [NVME_TIMESTAMP] = NVME_FEAT_CAP_CHANGE, 20888eea45cSKlaus Jensen [NVME_COMMAND_SET_PROFILE] = NVME_FEAT_CAP_CHANGE, 20988eea45cSKlaus Jensen }; 21088eea45cSKlaus Jensen 21188eea45cSKlaus Jensen static const uint32_t nvme_cse_acs[256] = { 21288eea45cSKlaus Jensen [NVME_ADM_CMD_DELETE_SQ] = NVME_CMD_EFF_CSUPP, 21388eea45cSKlaus Jensen [NVME_ADM_CMD_CREATE_SQ] = NVME_CMD_EFF_CSUPP, 21488eea45cSKlaus Jensen [NVME_ADM_CMD_GET_LOG_PAGE] = NVME_CMD_EFF_CSUPP, 21588eea45cSKlaus Jensen [NVME_ADM_CMD_DELETE_CQ] = NVME_CMD_EFF_CSUPP, 21688eea45cSKlaus Jensen [NVME_ADM_CMD_CREATE_CQ] = NVME_CMD_EFF_CSUPP, 21788eea45cSKlaus Jensen [NVME_ADM_CMD_IDENTIFY] = NVME_CMD_EFF_CSUPP, 21888eea45cSKlaus Jensen [NVME_ADM_CMD_ABORT] = NVME_CMD_EFF_CSUPP, 21988eea45cSKlaus Jensen [NVME_ADM_CMD_SET_FEATURES] = NVME_CMD_EFF_CSUPP, 22088eea45cSKlaus Jensen [NVME_ADM_CMD_GET_FEATURES] = NVME_CMD_EFF_CSUPP, 22188eea45cSKlaus Jensen [NVME_ADM_CMD_ASYNC_EV_REQ] = NVME_CMD_EFF_CSUPP, 22288eea45cSKlaus Jensen [NVME_ADM_CMD_NS_ATTACHMENT] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_NIC, 22388eea45cSKlaus Jensen [NVME_ADM_CMD_FORMAT_NVM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 22488eea45cSKlaus Jensen }; 22588eea45cSKlaus Jensen 22688eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_none[256]; 22788eea45cSKlaus Jensen 22888eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_nvm[256] = { 22988eea45cSKlaus Jensen [NVME_CMD_FLUSH] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 23088eea45cSKlaus Jensen [NVME_CMD_WRITE_ZEROES] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 23188eea45cSKlaus Jensen [NVME_CMD_WRITE] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 23288eea45cSKlaus Jensen [NVME_CMD_READ] = NVME_CMD_EFF_CSUPP, 23388eea45cSKlaus Jensen [NVME_CMD_DSM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 23488eea45cSKlaus Jensen [NVME_CMD_VERIFY] = NVME_CMD_EFF_CSUPP, 23588eea45cSKlaus Jensen [NVME_CMD_COPY] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 23688eea45cSKlaus Jensen [NVME_CMD_COMPARE] = NVME_CMD_EFF_CSUPP, 23788eea45cSKlaus Jensen }; 23888eea45cSKlaus Jensen 23988eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_zoned[256] = { 24088eea45cSKlaus Jensen [NVME_CMD_FLUSH] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 24188eea45cSKlaus Jensen [NVME_CMD_WRITE_ZEROES] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 24288eea45cSKlaus Jensen [NVME_CMD_WRITE] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 24388eea45cSKlaus Jensen [NVME_CMD_READ] = NVME_CMD_EFF_CSUPP, 24488eea45cSKlaus Jensen [NVME_CMD_DSM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 24588eea45cSKlaus Jensen [NVME_CMD_VERIFY] = NVME_CMD_EFF_CSUPP, 24688eea45cSKlaus Jensen [NVME_CMD_COPY] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 24788eea45cSKlaus Jensen [NVME_CMD_COMPARE] = NVME_CMD_EFF_CSUPP, 24888eea45cSKlaus Jensen [NVME_CMD_ZONE_APPEND] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 24988eea45cSKlaus Jensen [NVME_CMD_ZONE_MGMT_SEND] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 25088eea45cSKlaus Jensen [NVME_CMD_ZONE_MGMT_RECV] = NVME_CMD_EFF_CSUPP, 25188eea45cSKlaus Jensen }; 25288eea45cSKlaus Jensen 25388eea45cSKlaus Jensen static void nvme_process_sq(void *opaque); 25488eea45cSKlaus Jensen 25588eea45cSKlaus Jensen static uint16_t nvme_sqid(NvmeRequest *req) 25688eea45cSKlaus Jensen { 25788eea45cSKlaus Jensen return le16_to_cpu(req->sq->sqid); 25888eea45cSKlaus Jensen } 25988eea45cSKlaus Jensen 26088eea45cSKlaus Jensen static void nvme_assign_zone_state(NvmeNamespace *ns, NvmeZone *zone, 26188eea45cSKlaus Jensen NvmeZoneState state) 26288eea45cSKlaus Jensen { 26388eea45cSKlaus Jensen if (QTAILQ_IN_USE(zone, entry)) { 26488eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 26588eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 26688eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->exp_open_zones, zone, entry); 26788eea45cSKlaus Jensen break; 26888eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 26988eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->imp_open_zones, zone, entry); 27088eea45cSKlaus Jensen break; 27188eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 27288eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->closed_zones, zone, entry); 27388eea45cSKlaus Jensen break; 27488eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 27588eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->full_zones, zone, entry); 27688eea45cSKlaus Jensen default: 27788eea45cSKlaus Jensen ; 27888eea45cSKlaus Jensen } 27988eea45cSKlaus Jensen } 28088eea45cSKlaus Jensen 28188eea45cSKlaus Jensen nvme_set_zone_state(zone, state); 28288eea45cSKlaus Jensen 28388eea45cSKlaus Jensen switch (state) { 28488eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 28588eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->exp_open_zones, zone, entry); 28688eea45cSKlaus Jensen break; 28788eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 28888eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->imp_open_zones, zone, entry); 28988eea45cSKlaus Jensen break; 29088eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 29188eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->closed_zones, zone, entry); 29288eea45cSKlaus Jensen break; 29388eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 29488eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->full_zones, zone, entry); 29588eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 29688eea45cSKlaus Jensen break; 29788eea45cSKlaus Jensen default: 29888eea45cSKlaus Jensen zone->d.za = 0; 29988eea45cSKlaus Jensen } 30088eea45cSKlaus Jensen } 30188eea45cSKlaus Jensen 30288eea45cSKlaus Jensen /* 30388eea45cSKlaus Jensen * Check if we can open a zone without exceeding open/active limits. 30488eea45cSKlaus Jensen * AOR stands for "Active and Open Resources" (see TP 4053 section 2.5). 30588eea45cSKlaus Jensen */ 30688eea45cSKlaus Jensen static int nvme_aor_check(NvmeNamespace *ns, uint32_t act, uint32_t opn) 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 } 31388eea45cSKlaus Jensen if (ns->params.max_open_zones != 0 && 31488eea45cSKlaus Jensen ns->nr_open_zones + opn > ns->params.max_open_zones) { 31588eea45cSKlaus Jensen trace_pci_nvme_err_insuff_open_res(ns->params.max_open_zones); 31688eea45cSKlaus Jensen return NVME_ZONE_TOO_MANY_OPEN | NVME_DNR; 31788eea45cSKlaus Jensen } 31888eea45cSKlaus Jensen 31988eea45cSKlaus Jensen return NVME_SUCCESS; 32088eea45cSKlaus Jensen } 32188eea45cSKlaus Jensen 32288eea45cSKlaus Jensen static bool nvme_addr_is_cmb(NvmeCtrl *n, hwaddr addr) 32388eea45cSKlaus Jensen { 32488eea45cSKlaus Jensen hwaddr hi, lo; 32588eea45cSKlaus Jensen 32688eea45cSKlaus Jensen if (!n->cmb.cmse) { 32788eea45cSKlaus Jensen return false; 32888eea45cSKlaus Jensen } 32988eea45cSKlaus Jensen 33088eea45cSKlaus Jensen lo = n->params.legacy_cmb ? n->cmb.mem.addr : n->cmb.cba; 33188eea45cSKlaus Jensen hi = lo + int128_get64(n->cmb.mem.size); 33288eea45cSKlaus Jensen 33388eea45cSKlaus Jensen return addr >= lo && addr < hi; 33488eea45cSKlaus Jensen } 33588eea45cSKlaus Jensen 33688eea45cSKlaus Jensen static inline void *nvme_addr_to_cmb(NvmeCtrl *n, hwaddr addr) 33788eea45cSKlaus Jensen { 33888eea45cSKlaus Jensen hwaddr base = n->params.legacy_cmb ? n->cmb.mem.addr : n->cmb.cba; 33988eea45cSKlaus Jensen return &n->cmb.buf[addr - base]; 34088eea45cSKlaus Jensen } 34188eea45cSKlaus Jensen 34288eea45cSKlaus Jensen static bool nvme_addr_is_pmr(NvmeCtrl *n, hwaddr addr) 34388eea45cSKlaus Jensen { 34488eea45cSKlaus Jensen hwaddr hi; 34588eea45cSKlaus Jensen 34688eea45cSKlaus Jensen if (!n->pmr.cmse) { 34788eea45cSKlaus Jensen return false; 34888eea45cSKlaus Jensen } 34988eea45cSKlaus Jensen 35088eea45cSKlaus Jensen hi = n->pmr.cba + int128_get64(n->pmr.dev->mr.size); 35188eea45cSKlaus Jensen 35288eea45cSKlaus Jensen return addr >= n->pmr.cba && addr < hi; 35388eea45cSKlaus Jensen } 35488eea45cSKlaus Jensen 35588eea45cSKlaus Jensen static inline void *nvme_addr_to_pmr(NvmeCtrl *n, hwaddr addr) 35688eea45cSKlaus Jensen { 35788eea45cSKlaus Jensen return memory_region_get_ram_ptr(&n->pmr.dev->mr) + (addr - n->pmr.cba); 35888eea45cSKlaus Jensen } 35988eea45cSKlaus Jensen 36088eea45cSKlaus Jensen static int nvme_addr_read(NvmeCtrl *n, hwaddr addr, void *buf, int size) 36188eea45cSKlaus Jensen { 36288eea45cSKlaus Jensen hwaddr hi = addr + size - 1; 36388eea45cSKlaus Jensen if (hi < addr) { 36488eea45cSKlaus Jensen return 1; 36588eea45cSKlaus Jensen } 36688eea45cSKlaus Jensen 36788eea45cSKlaus Jensen if (n->bar.cmbsz && nvme_addr_is_cmb(n, addr) && nvme_addr_is_cmb(n, hi)) { 36888eea45cSKlaus Jensen memcpy(buf, nvme_addr_to_cmb(n, addr), size); 36988eea45cSKlaus Jensen return 0; 37088eea45cSKlaus Jensen } 37188eea45cSKlaus Jensen 37288eea45cSKlaus Jensen if (nvme_addr_is_pmr(n, addr) && nvme_addr_is_pmr(n, hi)) { 37388eea45cSKlaus Jensen memcpy(buf, nvme_addr_to_pmr(n, addr), size); 37488eea45cSKlaus Jensen return 0; 37588eea45cSKlaus Jensen } 37688eea45cSKlaus Jensen 37788eea45cSKlaus Jensen return pci_dma_read(&n->parent_obj, addr, buf, size); 37888eea45cSKlaus Jensen } 37988eea45cSKlaus Jensen 38088eea45cSKlaus Jensen static int nvme_addr_write(NvmeCtrl *n, hwaddr addr, void *buf, int size) 38188eea45cSKlaus Jensen { 38288eea45cSKlaus Jensen hwaddr hi = addr + size - 1; 38388eea45cSKlaus Jensen if (hi < addr) { 38488eea45cSKlaus Jensen return 1; 38588eea45cSKlaus Jensen } 38688eea45cSKlaus Jensen 38788eea45cSKlaus Jensen if (n->bar.cmbsz && nvme_addr_is_cmb(n, addr) && nvme_addr_is_cmb(n, hi)) { 38888eea45cSKlaus Jensen memcpy(nvme_addr_to_cmb(n, addr), buf, size); 38988eea45cSKlaus Jensen return 0; 39088eea45cSKlaus Jensen } 39188eea45cSKlaus Jensen 39288eea45cSKlaus Jensen if (nvme_addr_is_pmr(n, addr) && nvme_addr_is_pmr(n, hi)) { 39388eea45cSKlaus Jensen memcpy(nvme_addr_to_pmr(n, addr), buf, size); 39488eea45cSKlaus Jensen return 0; 39588eea45cSKlaus Jensen } 39688eea45cSKlaus Jensen 39788eea45cSKlaus Jensen return pci_dma_write(&n->parent_obj, addr, buf, size); 39888eea45cSKlaus Jensen } 39988eea45cSKlaus Jensen 40088eea45cSKlaus Jensen static bool nvme_nsid_valid(NvmeCtrl *n, uint32_t nsid) 40188eea45cSKlaus Jensen { 40288eea45cSKlaus Jensen return nsid && 40388eea45cSKlaus Jensen (nsid == NVME_NSID_BROADCAST || nsid <= NVME_MAX_NAMESPACES); 40488eea45cSKlaus Jensen } 40588eea45cSKlaus Jensen 40688eea45cSKlaus Jensen static int nvme_check_sqid(NvmeCtrl *n, uint16_t sqid) 40788eea45cSKlaus Jensen { 40888eea45cSKlaus Jensen return sqid < n->params.max_ioqpairs + 1 && n->sq[sqid] != NULL ? 0 : -1; 40988eea45cSKlaus Jensen } 41088eea45cSKlaus Jensen 41188eea45cSKlaus Jensen static int nvme_check_cqid(NvmeCtrl *n, uint16_t cqid) 41288eea45cSKlaus Jensen { 41388eea45cSKlaus Jensen return cqid < n->params.max_ioqpairs + 1 && n->cq[cqid] != NULL ? 0 : -1; 41488eea45cSKlaus Jensen } 41588eea45cSKlaus Jensen 41688eea45cSKlaus Jensen static void nvme_inc_cq_tail(NvmeCQueue *cq) 41788eea45cSKlaus Jensen { 41888eea45cSKlaus Jensen cq->tail++; 41988eea45cSKlaus Jensen if (cq->tail >= cq->size) { 42088eea45cSKlaus Jensen cq->tail = 0; 42188eea45cSKlaus Jensen cq->phase = !cq->phase; 42288eea45cSKlaus Jensen } 42388eea45cSKlaus Jensen } 42488eea45cSKlaus Jensen 42588eea45cSKlaus Jensen static void nvme_inc_sq_head(NvmeSQueue *sq) 42688eea45cSKlaus Jensen { 42788eea45cSKlaus Jensen sq->head = (sq->head + 1) % sq->size; 42888eea45cSKlaus Jensen } 42988eea45cSKlaus Jensen 43088eea45cSKlaus Jensen static uint8_t nvme_cq_full(NvmeCQueue *cq) 43188eea45cSKlaus Jensen { 43288eea45cSKlaus Jensen return (cq->tail + 1) % cq->size == cq->head; 43388eea45cSKlaus Jensen } 43488eea45cSKlaus Jensen 43588eea45cSKlaus Jensen static uint8_t nvme_sq_empty(NvmeSQueue *sq) 43688eea45cSKlaus Jensen { 43788eea45cSKlaus Jensen return sq->head == sq->tail; 43888eea45cSKlaus Jensen } 43988eea45cSKlaus Jensen 44088eea45cSKlaus Jensen static void nvme_irq_check(NvmeCtrl *n) 44188eea45cSKlaus Jensen { 44288eea45cSKlaus Jensen if (msix_enabled(&(n->parent_obj))) { 44388eea45cSKlaus Jensen return; 44488eea45cSKlaus Jensen } 44588eea45cSKlaus Jensen if (~n->bar.intms & n->irq_status) { 44688eea45cSKlaus Jensen pci_irq_assert(&n->parent_obj); 44788eea45cSKlaus Jensen } else { 44888eea45cSKlaus Jensen pci_irq_deassert(&n->parent_obj); 44988eea45cSKlaus Jensen } 45088eea45cSKlaus Jensen } 45188eea45cSKlaus Jensen 45288eea45cSKlaus Jensen static void nvme_irq_assert(NvmeCtrl *n, NvmeCQueue *cq) 45388eea45cSKlaus Jensen { 45488eea45cSKlaus Jensen if (cq->irq_enabled) { 45588eea45cSKlaus Jensen if (msix_enabled(&(n->parent_obj))) { 45688eea45cSKlaus Jensen trace_pci_nvme_irq_msix(cq->vector); 45788eea45cSKlaus Jensen msix_notify(&(n->parent_obj), cq->vector); 45888eea45cSKlaus Jensen } else { 45988eea45cSKlaus Jensen trace_pci_nvme_irq_pin(); 46088eea45cSKlaus Jensen assert(cq->vector < 32); 46188eea45cSKlaus Jensen n->irq_status |= 1 << cq->vector; 46288eea45cSKlaus Jensen nvme_irq_check(n); 46388eea45cSKlaus Jensen } 46488eea45cSKlaus Jensen } else { 46588eea45cSKlaus Jensen trace_pci_nvme_irq_masked(); 46688eea45cSKlaus Jensen } 46788eea45cSKlaus Jensen } 46888eea45cSKlaus Jensen 46988eea45cSKlaus Jensen static void nvme_irq_deassert(NvmeCtrl *n, NvmeCQueue *cq) 47088eea45cSKlaus Jensen { 47188eea45cSKlaus Jensen if (cq->irq_enabled) { 47288eea45cSKlaus Jensen if (msix_enabled(&(n->parent_obj))) { 47388eea45cSKlaus Jensen return; 47488eea45cSKlaus Jensen } else { 47588eea45cSKlaus Jensen assert(cq->vector < 32); 476*83d7ed5cSKlaus Jensen if (!n->cq_pending) { 47788eea45cSKlaus Jensen n->irq_status &= ~(1 << cq->vector); 478*83d7ed5cSKlaus Jensen } 47988eea45cSKlaus Jensen nvme_irq_check(n); 48088eea45cSKlaus Jensen } 48188eea45cSKlaus Jensen } 48288eea45cSKlaus Jensen } 48388eea45cSKlaus Jensen 48488eea45cSKlaus Jensen static void nvme_req_clear(NvmeRequest *req) 48588eea45cSKlaus Jensen { 48688eea45cSKlaus Jensen req->ns = NULL; 48788eea45cSKlaus Jensen req->opaque = NULL; 48888eea45cSKlaus Jensen req->aiocb = NULL; 48988eea45cSKlaus Jensen memset(&req->cqe, 0x0, sizeof(req->cqe)); 49088eea45cSKlaus Jensen req->status = NVME_SUCCESS; 49188eea45cSKlaus Jensen } 49288eea45cSKlaus Jensen 49388eea45cSKlaus Jensen static inline void nvme_sg_init(NvmeCtrl *n, NvmeSg *sg, bool dma) 49488eea45cSKlaus Jensen { 49588eea45cSKlaus Jensen if (dma) { 49688eea45cSKlaus Jensen pci_dma_sglist_init(&sg->qsg, &n->parent_obj, 0); 49788eea45cSKlaus Jensen sg->flags = NVME_SG_DMA; 49888eea45cSKlaus Jensen } else { 49988eea45cSKlaus Jensen qemu_iovec_init(&sg->iov, 0); 50088eea45cSKlaus Jensen } 50188eea45cSKlaus Jensen 50288eea45cSKlaus Jensen sg->flags |= NVME_SG_ALLOC; 50388eea45cSKlaus Jensen } 50488eea45cSKlaus Jensen 50588eea45cSKlaus Jensen static inline void nvme_sg_unmap(NvmeSg *sg) 50688eea45cSKlaus Jensen { 50788eea45cSKlaus Jensen if (!(sg->flags & NVME_SG_ALLOC)) { 50888eea45cSKlaus Jensen return; 50988eea45cSKlaus Jensen } 51088eea45cSKlaus Jensen 51188eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 51288eea45cSKlaus Jensen qemu_sglist_destroy(&sg->qsg); 51388eea45cSKlaus Jensen } else { 51488eea45cSKlaus Jensen qemu_iovec_destroy(&sg->iov); 51588eea45cSKlaus Jensen } 51688eea45cSKlaus Jensen 51788eea45cSKlaus Jensen memset(sg, 0x0, sizeof(*sg)); 51888eea45cSKlaus Jensen } 51988eea45cSKlaus Jensen 52088eea45cSKlaus Jensen /* 52188eea45cSKlaus Jensen * When metadata is transfered as extended LBAs, the DPTR mapped into `sg` 52288eea45cSKlaus Jensen * holds both data and metadata. This function splits the data and metadata 52388eea45cSKlaus Jensen * into two separate QSG/IOVs. 52488eea45cSKlaus Jensen */ 52588eea45cSKlaus Jensen static void nvme_sg_split(NvmeSg *sg, NvmeNamespace *ns, NvmeSg *data, 52688eea45cSKlaus Jensen NvmeSg *mdata) 52788eea45cSKlaus Jensen { 52888eea45cSKlaus Jensen NvmeSg *dst = data; 52988eea45cSKlaus Jensen uint32_t trans_len, count = ns->lbasz; 53088eea45cSKlaus Jensen uint64_t offset = 0; 53188eea45cSKlaus Jensen bool dma = sg->flags & NVME_SG_DMA; 53288eea45cSKlaus Jensen size_t sge_len; 53388eea45cSKlaus Jensen size_t sg_len = dma ? sg->qsg.size : sg->iov.size; 53488eea45cSKlaus Jensen int sg_idx = 0; 53588eea45cSKlaus Jensen 53688eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 53788eea45cSKlaus Jensen 53888eea45cSKlaus Jensen while (sg_len) { 53988eea45cSKlaus Jensen sge_len = dma ? sg->qsg.sg[sg_idx].len : sg->iov.iov[sg_idx].iov_len; 54088eea45cSKlaus Jensen 54188eea45cSKlaus Jensen trans_len = MIN(sg_len, count); 54288eea45cSKlaus Jensen trans_len = MIN(trans_len, sge_len - offset); 54388eea45cSKlaus Jensen 54488eea45cSKlaus Jensen if (dst) { 54588eea45cSKlaus Jensen if (dma) { 54688eea45cSKlaus Jensen qemu_sglist_add(&dst->qsg, sg->qsg.sg[sg_idx].base + offset, 54788eea45cSKlaus Jensen trans_len); 54888eea45cSKlaus Jensen } else { 54988eea45cSKlaus Jensen qemu_iovec_add(&dst->iov, 55088eea45cSKlaus Jensen sg->iov.iov[sg_idx].iov_base + offset, 55188eea45cSKlaus Jensen trans_len); 55288eea45cSKlaus Jensen } 55388eea45cSKlaus Jensen } 55488eea45cSKlaus Jensen 55588eea45cSKlaus Jensen sg_len -= trans_len; 55688eea45cSKlaus Jensen count -= trans_len; 55788eea45cSKlaus Jensen offset += trans_len; 55888eea45cSKlaus Jensen 55988eea45cSKlaus Jensen if (count == 0) { 56088eea45cSKlaus Jensen dst = (dst == data) ? mdata : data; 56188eea45cSKlaus Jensen count = (dst == data) ? ns->lbasz : ns->lbaf.ms; 56288eea45cSKlaus Jensen } 56388eea45cSKlaus Jensen 56488eea45cSKlaus Jensen if (sge_len == offset) { 56588eea45cSKlaus Jensen offset = 0; 56688eea45cSKlaus Jensen sg_idx++; 56788eea45cSKlaus Jensen } 56888eea45cSKlaus Jensen } 56988eea45cSKlaus Jensen } 57088eea45cSKlaus Jensen 57188eea45cSKlaus Jensen static uint16_t nvme_map_addr_cmb(NvmeCtrl *n, QEMUIOVector *iov, hwaddr addr, 57288eea45cSKlaus Jensen size_t len) 57388eea45cSKlaus Jensen { 57488eea45cSKlaus Jensen if (!len) { 57588eea45cSKlaus Jensen return NVME_SUCCESS; 57688eea45cSKlaus Jensen } 57788eea45cSKlaus Jensen 57888eea45cSKlaus Jensen trace_pci_nvme_map_addr_cmb(addr, len); 57988eea45cSKlaus Jensen 58088eea45cSKlaus Jensen if (!nvme_addr_is_cmb(n, addr) || !nvme_addr_is_cmb(n, addr + len - 1)) { 58188eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 58288eea45cSKlaus Jensen } 58388eea45cSKlaus Jensen 58488eea45cSKlaus Jensen qemu_iovec_add(iov, nvme_addr_to_cmb(n, addr), len); 58588eea45cSKlaus Jensen 58688eea45cSKlaus Jensen return NVME_SUCCESS; 58788eea45cSKlaus Jensen } 58888eea45cSKlaus Jensen 58988eea45cSKlaus Jensen static uint16_t nvme_map_addr_pmr(NvmeCtrl *n, QEMUIOVector *iov, hwaddr addr, 59088eea45cSKlaus Jensen size_t len) 59188eea45cSKlaus Jensen { 59288eea45cSKlaus Jensen if (!len) { 59388eea45cSKlaus Jensen return NVME_SUCCESS; 59488eea45cSKlaus Jensen } 59588eea45cSKlaus Jensen 59688eea45cSKlaus Jensen if (!nvme_addr_is_pmr(n, addr) || !nvme_addr_is_pmr(n, addr + len - 1)) { 59788eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 59888eea45cSKlaus Jensen } 59988eea45cSKlaus Jensen 60088eea45cSKlaus Jensen qemu_iovec_add(iov, nvme_addr_to_pmr(n, addr), len); 60188eea45cSKlaus Jensen 60288eea45cSKlaus Jensen return NVME_SUCCESS; 60388eea45cSKlaus Jensen } 60488eea45cSKlaus Jensen 60588eea45cSKlaus Jensen static uint16_t nvme_map_addr(NvmeCtrl *n, NvmeSg *sg, hwaddr addr, size_t len) 60688eea45cSKlaus Jensen { 60788eea45cSKlaus Jensen bool cmb = false, pmr = false; 60888eea45cSKlaus Jensen 60988eea45cSKlaus Jensen if (!len) { 61088eea45cSKlaus Jensen return NVME_SUCCESS; 61188eea45cSKlaus Jensen } 61288eea45cSKlaus Jensen 61388eea45cSKlaus Jensen trace_pci_nvme_map_addr(addr, len); 61488eea45cSKlaus Jensen 61588eea45cSKlaus Jensen if (nvme_addr_is_cmb(n, addr)) { 61688eea45cSKlaus Jensen cmb = true; 61788eea45cSKlaus Jensen } else if (nvme_addr_is_pmr(n, addr)) { 61888eea45cSKlaus Jensen pmr = true; 61988eea45cSKlaus Jensen } 62088eea45cSKlaus Jensen 62188eea45cSKlaus Jensen if (cmb || pmr) { 62288eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 62388eea45cSKlaus Jensen return NVME_INVALID_USE_OF_CMB | NVME_DNR; 62488eea45cSKlaus Jensen } 62588eea45cSKlaus Jensen 62688eea45cSKlaus Jensen if (cmb) { 62788eea45cSKlaus Jensen return nvme_map_addr_cmb(n, &sg->iov, addr, len); 62888eea45cSKlaus Jensen } else { 62988eea45cSKlaus Jensen return nvme_map_addr_pmr(n, &sg->iov, addr, len); 63088eea45cSKlaus Jensen } 63188eea45cSKlaus Jensen } 63288eea45cSKlaus Jensen 63388eea45cSKlaus Jensen if (!(sg->flags & NVME_SG_DMA)) { 63488eea45cSKlaus Jensen return NVME_INVALID_USE_OF_CMB | NVME_DNR; 63588eea45cSKlaus Jensen } 63688eea45cSKlaus Jensen 63788eea45cSKlaus Jensen qemu_sglist_add(&sg->qsg, addr, len); 63888eea45cSKlaus Jensen 63988eea45cSKlaus Jensen return NVME_SUCCESS; 64088eea45cSKlaus Jensen } 64188eea45cSKlaus Jensen 64288eea45cSKlaus Jensen static inline bool nvme_addr_is_dma(NvmeCtrl *n, hwaddr addr) 64388eea45cSKlaus Jensen { 64488eea45cSKlaus Jensen return !(nvme_addr_is_cmb(n, addr) || nvme_addr_is_pmr(n, addr)); 64588eea45cSKlaus Jensen } 64688eea45cSKlaus Jensen 64788eea45cSKlaus Jensen static uint16_t nvme_map_prp(NvmeCtrl *n, NvmeSg *sg, uint64_t prp1, 64888eea45cSKlaus Jensen uint64_t prp2, uint32_t len) 64988eea45cSKlaus Jensen { 65088eea45cSKlaus Jensen hwaddr trans_len = n->page_size - (prp1 % n->page_size); 65188eea45cSKlaus Jensen trans_len = MIN(len, trans_len); 65288eea45cSKlaus Jensen int num_prps = (len >> n->page_bits) + 1; 65388eea45cSKlaus Jensen uint16_t status; 65488eea45cSKlaus Jensen int ret; 65588eea45cSKlaus Jensen 65688eea45cSKlaus Jensen trace_pci_nvme_map_prp(trans_len, len, prp1, prp2, num_prps); 65788eea45cSKlaus Jensen 65888eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, prp1)); 65988eea45cSKlaus Jensen 66088eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp1, trans_len); 66188eea45cSKlaus Jensen if (status) { 66288eea45cSKlaus Jensen goto unmap; 66388eea45cSKlaus Jensen } 66488eea45cSKlaus Jensen 66588eea45cSKlaus Jensen len -= trans_len; 66688eea45cSKlaus Jensen if (len) { 66788eea45cSKlaus Jensen if (len > n->page_size) { 66888eea45cSKlaus Jensen uint64_t prp_list[n->max_prp_ents]; 66988eea45cSKlaus Jensen uint32_t nents, prp_trans; 67088eea45cSKlaus Jensen int i = 0; 67188eea45cSKlaus Jensen 67288eea45cSKlaus Jensen /* 67388eea45cSKlaus Jensen * The first PRP list entry, pointed to by PRP2 may contain offset. 67488eea45cSKlaus Jensen * Hence, we need to calculate the number of entries in based on 67588eea45cSKlaus Jensen * that offset. 67688eea45cSKlaus Jensen */ 67788eea45cSKlaus Jensen nents = (n->page_size - (prp2 & (n->page_size - 1))) >> 3; 67888eea45cSKlaus Jensen prp_trans = MIN(n->max_prp_ents, nents) * sizeof(uint64_t); 67988eea45cSKlaus Jensen ret = nvme_addr_read(n, prp2, (void *)prp_list, prp_trans); 68088eea45cSKlaus Jensen if (ret) { 68188eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(prp2); 68288eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 68388eea45cSKlaus Jensen goto unmap; 68488eea45cSKlaus Jensen } 68588eea45cSKlaus Jensen while (len != 0) { 68688eea45cSKlaus Jensen uint64_t prp_ent = le64_to_cpu(prp_list[i]); 68788eea45cSKlaus Jensen 68888eea45cSKlaus Jensen if (i == nents - 1 && len > n->page_size) { 68988eea45cSKlaus Jensen if (unlikely(prp_ent & (n->page_size - 1))) { 69088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prplist_ent(prp_ent); 69188eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 69288eea45cSKlaus Jensen goto unmap; 69388eea45cSKlaus Jensen } 69488eea45cSKlaus Jensen 69588eea45cSKlaus Jensen i = 0; 69688eea45cSKlaus Jensen nents = (len + n->page_size - 1) >> n->page_bits; 69788eea45cSKlaus Jensen nents = MIN(nents, n->max_prp_ents); 69888eea45cSKlaus Jensen prp_trans = nents * sizeof(uint64_t); 69988eea45cSKlaus Jensen ret = nvme_addr_read(n, prp_ent, (void *)prp_list, 70088eea45cSKlaus Jensen prp_trans); 70188eea45cSKlaus Jensen if (ret) { 70288eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(prp_ent); 70388eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 70488eea45cSKlaus Jensen goto unmap; 70588eea45cSKlaus Jensen } 70688eea45cSKlaus Jensen prp_ent = le64_to_cpu(prp_list[i]); 70788eea45cSKlaus Jensen } 70888eea45cSKlaus Jensen 70988eea45cSKlaus Jensen if (unlikely(prp_ent & (n->page_size - 1))) { 71088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prplist_ent(prp_ent); 71188eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 71288eea45cSKlaus Jensen goto unmap; 71388eea45cSKlaus Jensen } 71488eea45cSKlaus Jensen 71588eea45cSKlaus Jensen trans_len = MIN(len, n->page_size); 71688eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp_ent, trans_len); 71788eea45cSKlaus Jensen if (status) { 71888eea45cSKlaus Jensen goto unmap; 71988eea45cSKlaus Jensen } 72088eea45cSKlaus Jensen 72188eea45cSKlaus Jensen len -= trans_len; 72288eea45cSKlaus Jensen i++; 72388eea45cSKlaus Jensen } 72488eea45cSKlaus Jensen } else { 72588eea45cSKlaus Jensen if (unlikely(prp2 & (n->page_size - 1))) { 72688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prp2_align(prp2); 72788eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 72888eea45cSKlaus Jensen goto unmap; 72988eea45cSKlaus Jensen } 73088eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp2, len); 73188eea45cSKlaus Jensen if (status) { 73288eea45cSKlaus Jensen goto unmap; 73388eea45cSKlaus Jensen } 73488eea45cSKlaus Jensen } 73588eea45cSKlaus Jensen } 73688eea45cSKlaus Jensen 73788eea45cSKlaus Jensen return NVME_SUCCESS; 73888eea45cSKlaus Jensen 73988eea45cSKlaus Jensen unmap: 74088eea45cSKlaus Jensen nvme_sg_unmap(sg); 74188eea45cSKlaus Jensen return status; 74288eea45cSKlaus Jensen } 74388eea45cSKlaus Jensen 74488eea45cSKlaus Jensen /* 74588eea45cSKlaus Jensen * Map 'nsgld' data descriptors from 'segment'. The function will subtract the 74688eea45cSKlaus Jensen * number of bytes mapped in len. 74788eea45cSKlaus Jensen */ 74888eea45cSKlaus Jensen static uint16_t nvme_map_sgl_data(NvmeCtrl *n, NvmeSg *sg, 74988eea45cSKlaus Jensen NvmeSglDescriptor *segment, uint64_t nsgld, 75088eea45cSKlaus Jensen size_t *len, NvmeCmd *cmd) 75188eea45cSKlaus Jensen { 75288eea45cSKlaus Jensen dma_addr_t addr, trans_len; 75388eea45cSKlaus Jensen uint32_t dlen; 75488eea45cSKlaus Jensen uint16_t status; 75588eea45cSKlaus Jensen 75688eea45cSKlaus Jensen for (int i = 0; i < nsgld; i++) { 75788eea45cSKlaus Jensen uint8_t type = NVME_SGL_TYPE(segment[i].type); 75888eea45cSKlaus Jensen 75988eea45cSKlaus Jensen switch (type) { 76088eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_BIT_BUCKET: 76188eea45cSKlaus Jensen if (cmd->opcode == NVME_CMD_WRITE) { 76288eea45cSKlaus Jensen continue; 76388eea45cSKlaus Jensen } 76488eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_DATA_BLOCK: 76588eea45cSKlaus Jensen break; 76688eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_SEGMENT: 76788eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_LAST_SEGMENT: 76888eea45cSKlaus Jensen return NVME_INVALID_NUM_SGL_DESCRS | NVME_DNR; 76988eea45cSKlaus Jensen default: 77088eea45cSKlaus Jensen return NVME_SGL_DESCR_TYPE_INVALID | NVME_DNR; 77188eea45cSKlaus Jensen } 77288eea45cSKlaus Jensen 77388eea45cSKlaus Jensen dlen = le32_to_cpu(segment[i].len); 77488eea45cSKlaus Jensen 77588eea45cSKlaus Jensen if (!dlen) { 77688eea45cSKlaus Jensen continue; 77788eea45cSKlaus Jensen } 77888eea45cSKlaus Jensen 77988eea45cSKlaus Jensen if (*len == 0) { 78088eea45cSKlaus Jensen /* 78188eea45cSKlaus Jensen * All data has been mapped, but the SGL contains additional 78288eea45cSKlaus Jensen * segments and/or descriptors. The controller might accept 78388eea45cSKlaus Jensen * ignoring the rest of the SGL. 78488eea45cSKlaus Jensen */ 78588eea45cSKlaus Jensen uint32_t sgls = le32_to_cpu(n->id_ctrl.sgls); 78688eea45cSKlaus Jensen if (sgls & NVME_CTRL_SGLS_EXCESS_LENGTH) { 78788eea45cSKlaus Jensen break; 78888eea45cSKlaus Jensen } 78988eea45cSKlaus Jensen 79088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_sgl_excess_length(dlen); 79188eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 79288eea45cSKlaus Jensen } 79388eea45cSKlaus Jensen 79488eea45cSKlaus Jensen trans_len = MIN(*len, dlen); 79588eea45cSKlaus Jensen 79688eea45cSKlaus Jensen if (type == NVME_SGL_DESCR_TYPE_BIT_BUCKET) { 79788eea45cSKlaus Jensen goto next; 79888eea45cSKlaus Jensen } 79988eea45cSKlaus Jensen 80088eea45cSKlaus Jensen addr = le64_to_cpu(segment[i].addr); 80188eea45cSKlaus Jensen 80288eea45cSKlaus Jensen if (UINT64_MAX - addr < dlen) { 80388eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 80488eea45cSKlaus Jensen } 80588eea45cSKlaus Jensen 80688eea45cSKlaus Jensen status = nvme_map_addr(n, sg, addr, trans_len); 80788eea45cSKlaus Jensen if (status) { 80888eea45cSKlaus Jensen return status; 80988eea45cSKlaus Jensen } 81088eea45cSKlaus Jensen 81188eea45cSKlaus Jensen next: 81288eea45cSKlaus Jensen *len -= trans_len; 81388eea45cSKlaus Jensen } 81488eea45cSKlaus Jensen 81588eea45cSKlaus Jensen return NVME_SUCCESS; 81688eea45cSKlaus Jensen } 81788eea45cSKlaus Jensen 81888eea45cSKlaus Jensen static uint16_t nvme_map_sgl(NvmeCtrl *n, NvmeSg *sg, NvmeSglDescriptor sgl, 81988eea45cSKlaus Jensen size_t len, NvmeCmd *cmd) 82088eea45cSKlaus Jensen { 82188eea45cSKlaus Jensen /* 82288eea45cSKlaus Jensen * Read the segment in chunks of 256 descriptors (one 4k page) to avoid 82388eea45cSKlaus Jensen * dynamically allocating a potentially huge SGL. The spec allows the SGL 82488eea45cSKlaus Jensen * to be larger (as in number of bytes required to describe the SGL 82588eea45cSKlaus Jensen * descriptors and segment chain) than the command transfer size, so it is 82688eea45cSKlaus Jensen * not bounded by MDTS. 82788eea45cSKlaus Jensen */ 82888eea45cSKlaus Jensen const int SEG_CHUNK_SIZE = 256; 82988eea45cSKlaus Jensen 83088eea45cSKlaus Jensen NvmeSglDescriptor segment[SEG_CHUNK_SIZE], *sgld, *last_sgld; 83188eea45cSKlaus Jensen uint64_t nsgld; 83288eea45cSKlaus Jensen uint32_t seg_len; 83388eea45cSKlaus Jensen uint16_t status; 83488eea45cSKlaus Jensen hwaddr addr; 83588eea45cSKlaus Jensen int ret; 83688eea45cSKlaus Jensen 83788eea45cSKlaus Jensen sgld = &sgl; 83888eea45cSKlaus Jensen addr = le64_to_cpu(sgl.addr); 83988eea45cSKlaus Jensen 84088eea45cSKlaus Jensen trace_pci_nvme_map_sgl(NVME_SGL_TYPE(sgl.type), len); 84188eea45cSKlaus Jensen 84288eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, addr)); 84388eea45cSKlaus Jensen 84488eea45cSKlaus Jensen /* 84588eea45cSKlaus Jensen * If the entire transfer can be described with a single data block it can 84688eea45cSKlaus Jensen * be mapped directly. 84788eea45cSKlaus Jensen */ 84888eea45cSKlaus Jensen if (NVME_SGL_TYPE(sgl.type) == NVME_SGL_DESCR_TYPE_DATA_BLOCK) { 84988eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, sgld, 1, &len, cmd); 85088eea45cSKlaus Jensen if (status) { 85188eea45cSKlaus Jensen goto unmap; 85288eea45cSKlaus Jensen } 85388eea45cSKlaus Jensen 85488eea45cSKlaus Jensen goto out; 85588eea45cSKlaus Jensen } 85688eea45cSKlaus Jensen 85788eea45cSKlaus Jensen for (;;) { 85888eea45cSKlaus Jensen switch (NVME_SGL_TYPE(sgld->type)) { 85988eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_SEGMENT: 86088eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_LAST_SEGMENT: 86188eea45cSKlaus Jensen break; 86288eea45cSKlaus Jensen default: 86388eea45cSKlaus Jensen return NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 86488eea45cSKlaus Jensen } 86588eea45cSKlaus Jensen 86688eea45cSKlaus Jensen seg_len = le32_to_cpu(sgld->len); 86788eea45cSKlaus Jensen 86888eea45cSKlaus Jensen /* check the length of the (Last) Segment descriptor */ 86988eea45cSKlaus Jensen if ((!seg_len || seg_len & 0xf) && 87088eea45cSKlaus Jensen (NVME_SGL_TYPE(sgld->type) != NVME_SGL_DESCR_TYPE_BIT_BUCKET)) { 87188eea45cSKlaus Jensen return NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 87288eea45cSKlaus Jensen } 87388eea45cSKlaus Jensen 87488eea45cSKlaus Jensen if (UINT64_MAX - addr < seg_len) { 87588eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 87688eea45cSKlaus Jensen } 87788eea45cSKlaus Jensen 87888eea45cSKlaus Jensen nsgld = seg_len / sizeof(NvmeSglDescriptor); 87988eea45cSKlaus Jensen 88088eea45cSKlaus Jensen while (nsgld > SEG_CHUNK_SIZE) { 88188eea45cSKlaus Jensen if (nvme_addr_read(n, addr, segment, sizeof(segment))) { 88288eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 88388eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 88488eea45cSKlaus Jensen goto unmap; 88588eea45cSKlaus Jensen } 88688eea45cSKlaus Jensen 88788eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, SEG_CHUNK_SIZE, 88888eea45cSKlaus Jensen &len, cmd); 88988eea45cSKlaus Jensen if (status) { 89088eea45cSKlaus Jensen goto unmap; 89188eea45cSKlaus Jensen } 89288eea45cSKlaus Jensen 89388eea45cSKlaus Jensen nsgld -= SEG_CHUNK_SIZE; 89488eea45cSKlaus Jensen addr += SEG_CHUNK_SIZE * sizeof(NvmeSglDescriptor); 89588eea45cSKlaus Jensen } 89688eea45cSKlaus Jensen 89788eea45cSKlaus Jensen ret = nvme_addr_read(n, addr, segment, nsgld * 89888eea45cSKlaus Jensen sizeof(NvmeSglDescriptor)); 89988eea45cSKlaus Jensen if (ret) { 90088eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 90188eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 90288eea45cSKlaus Jensen goto unmap; 90388eea45cSKlaus Jensen } 90488eea45cSKlaus Jensen 90588eea45cSKlaus Jensen last_sgld = &segment[nsgld - 1]; 90688eea45cSKlaus Jensen 90788eea45cSKlaus Jensen /* 90888eea45cSKlaus Jensen * If the segment ends with a Data Block or Bit Bucket Descriptor Type, 90988eea45cSKlaus Jensen * then we are done. 91088eea45cSKlaus Jensen */ 91188eea45cSKlaus Jensen switch (NVME_SGL_TYPE(last_sgld->type)) { 91288eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_DATA_BLOCK: 91388eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_BIT_BUCKET: 91488eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, nsgld, &len, cmd); 91588eea45cSKlaus Jensen if (status) { 91688eea45cSKlaus Jensen goto unmap; 91788eea45cSKlaus Jensen } 91888eea45cSKlaus Jensen 91988eea45cSKlaus Jensen goto out; 92088eea45cSKlaus Jensen 92188eea45cSKlaus Jensen default: 92288eea45cSKlaus Jensen break; 92388eea45cSKlaus Jensen } 92488eea45cSKlaus Jensen 92588eea45cSKlaus Jensen /* 92688eea45cSKlaus Jensen * If the last descriptor was not a Data Block or Bit Bucket, then the 92788eea45cSKlaus Jensen * current segment must not be a Last Segment. 92888eea45cSKlaus Jensen */ 92988eea45cSKlaus Jensen if (NVME_SGL_TYPE(sgld->type) == NVME_SGL_DESCR_TYPE_LAST_SEGMENT) { 93088eea45cSKlaus Jensen status = NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 93188eea45cSKlaus Jensen goto unmap; 93288eea45cSKlaus Jensen } 93388eea45cSKlaus Jensen 93488eea45cSKlaus Jensen sgld = last_sgld; 93588eea45cSKlaus Jensen addr = le64_to_cpu(sgld->addr); 93688eea45cSKlaus Jensen 93788eea45cSKlaus Jensen /* 93888eea45cSKlaus Jensen * Do not map the last descriptor; it will be a Segment or Last Segment 93988eea45cSKlaus Jensen * descriptor and is handled by the next iteration. 94088eea45cSKlaus Jensen */ 94188eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, nsgld - 1, &len, cmd); 94288eea45cSKlaus Jensen if (status) { 94388eea45cSKlaus Jensen goto unmap; 94488eea45cSKlaus Jensen } 94588eea45cSKlaus Jensen } 94688eea45cSKlaus Jensen 94788eea45cSKlaus Jensen out: 94888eea45cSKlaus Jensen /* if there is any residual left in len, the SGL was too short */ 94988eea45cSKlaus Jensen if (len) { 95088eea45cSKlaus Jensen status = NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 95188eea45cSKlaus Jensen goto unmap; 95288eea45cSKlaus Jensen } 95388eea45cSKlaus Jensen 95488eea45cSKlaus Jensen return NVME_SUCCESS; 95588eea45cSKlaus Jensen 95688eea45cSKlaus Jensen unmap: 95788eea45cSKlaus Jensen nvme_sg_unmap(sg); 95888eea45cSKlaus Jensen return status; 95988eea45cSKlaus Jensen } 96088eea45cSKlaus Jensen 96188eea45cSKlaus Jensen uint16_t nvme_map_dptr(NvmeCtrl *n, NvmeSg *sg, size_t len, 96288eea45cSKlaus Jensen NvmeCmd *cmd) 96388eea45cSKlaus Jensen { 96488eea45cSKlaus Jensen uint64_t prp1, prp2; 96588eea45cSKlaus Jensen 96688eea45cSKlaus Jensen switch (NVME_CMD_FLAGS_PSDT(cmd->flags)) { 96788eea45cSKlaus Jensen case NVME_PSDT_PRP: 96888eea45cSKlaus Jensen prp1 = le64_to_cpu(cmd->dptr.prp1); 96988eea45cSKlaus Jensen prp2 = le64_to_cpu(cmd->dptr.prp2); 97088eea45cSKlaus Jensen 97188eea45cSKlaus Jensen return nvme_map_prp(n, sg, prp1, prp2, len); 97288eea45cSKlaus Jensen case NVME_PSDT_SGL_MPTR_CONTIGUOUS: 97388eea45cSKlaus Jensen case NVME_PSDT_SGL_MPTR_SGL: 97488eea45cSKlaus Jensen return nvme_map_sgl(n, sg, cmd->dptr.sgl, len, cmd); 97588eea45cSKlaus Jensen default: 97688eea45cSKlaus Jensen return NVME_INVALID_FIELD; 97788eea45cSKlaus Jensen } 97888eea45cSKlaus Jensen } 97988eea45cSKlaus Jensen 98088eea45cSKlaus Jensen static uint16_t nvme_map_mptr(NvmeCtrl *n, NvmeSg *sg, size_t len, 98188eea45cSKlaus Jensen NvmeCmd *cmd) 98288eea45cSKlaus Jensen { 98388eea45cSKlaus Jensen int psdt = NVME_CMD_FLAGS_PSDT(cmd->flags); 98488eea45cSKlaus Jensen hwaddr mptr = le64_to_cpu(cmd->mptr); 98588eea45cSKlaus Jensen uint16_t status; 98688eea45cSKlaus Jensen 98788eea45cSKlaus Jensen if (psdt == NVME_PSDT_SGL_MPTR_SGL) { 98888eea45cSKlaus Jensen NvmeSglDescriptor sgl; 98988eea45cSKlaus Jensen 99088eea45cSKlaus Jensen if (nvme_addr_read(n, mptr, &sgl, sizeof(sgl))) { 99188eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 99288eea45cSKlaus Jensen } 99388eea45cSKlaus Jensen 99488eea45cSKlaus Jensen status = nvme_map_sgl(n, sg, sgl, len, cmd); 99588eea45cSKlaus Jensen if (status && (status & 0x7ff) == NVME_DATA_SGL_LEN_INVALID) { 99688eea45cSKlaus Jensen status = NVME_MD_SGL_LEN_INVALID | NVME_DNR; 99788eea45cSKlaus Jensen } 99888eea45cSKlaus Jensen 99988eea45cSKlaus Jensen return status; 100088eea45cSKlaus Jensen } 100188eea45cSKlaus Jensen 100288eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, mptr)); 100388eea45cSKlaus Jensen status = nvme_map_addr(n, sg, mptr, len); 100488eea45cSKlaus Jensen if (status) { 100588eea45cSKlaus Jensen nvme_sg_unmap(sg); 100688eea45cSKlaus Jensen } 100788eea45cSKlaus Jensen 100888eea45cSKlaus Jensen return status; 100988eea45cSKlaus Jensen } 101088eea45cSKlaus Jensen 101188eea45cSKlaus Jensen static uint16_t nvme_map_data(NvmeCtrl *n, uint32_t nlb, NvmeRequest *req) 101288eea45cSKlaus Jensen { 101388eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 101488eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 10152a132309SKlaus Jensen bool pi = !!NVME_ID_NS_DPS_TYPE(ns->id_ns.dps); 10162a132309SKlaus Jensen bool pract = !!(le16_to_cpu(rw->control) & NVME_RW_PRINFO_PRACT); 101788eea45cSKlaus Jensen size_t len = nvme_l2b(ns, nlb); 101888eea45cSKlaus Jensen uint16_t status; 101988eea45cSKlaus Jensen 10202a132309SKlaus Jensen if (nvme_ns_ext(ns) && !(pi && pract && ns->lbaf.ms == 8)) { 102188eea45cSKlaus Jensen NvmeSg sg; 102288eea45cSKlaus Jensen 102388eea45cSKlaus Jensen len += nvme_m2b(ns, nlb); 102488eea45cSKlaus Jensen 102588eea45cSKlaus Jensen status = nvme_map_dptr(n, &sg, len, &req->cmd); 102688eea45cSKlaus Jensen if (status) { 102788eea45cSKlaus Jensen return status; 102888eea45cSKlaus Jensen } 102988eea45cSKlaus Jensen 103088eea45cSKlaus Jensen nvme_sg_init(n, &req->sg, sg.flags & NVME_SG_DMA); 103188eea45cSKlaus Jensen nvme_sg_split(&sg, ns, &req->sg, NULL); 103288eea45cSKlaus Jensen nvme_sg_unmap(&sg); 103388eea45cSKlaus Jensen 103488eea45cSKlaus Jensen return NVME_SUCCESS; 103588eea45cSKlaus Jensen } 103688eea45cSKlaus Jensen 103788eea45cSKlaus Jensen return nvme_map_dptr(n, &req->sg, len, &req->cmd); 103888eea45cSKlaus Jensen } 103988eea45cSKlaus Jensen 104088eea45cSKlaus Jensen static uint16_t nvme_map_mdata(NvmeCtrl *n, uint32_t nlb, NvmeRequest *req) 104188eea45cSKlaus Jensen { 104288eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 104388eea45cSKlaus Jensen size_t len = nvme_m2b(ns, nlb); 104488eea45cSKlaus Jensen uint16_t status; 104588eea45cSKlaus Jensen 104688eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 104788eea45cSKlaus Jensen NvmeSg sg; 104888eea45cSKlaus Jensen 104988eea45cSKlaus Jensen len += nvme_l2b(ns, nlb); 105088eea45cSKlaus Jensen 105188eea45cSKlaus Jensen status = nvme_map_dptr(n, &sg, len, &req->cmd); 105288eea45cSKlaus Jensen if (status) { 105388eea45cSKlaus Jensen return status; 105488eea45cSKlaus Jensen } 105588eea45cSKlaus Jensen 105688eea45cSKlaus Jensen nvme_sg_init(n, &req->sg, sg.flags & NVME_SG_DMA); 105788eea45cSKlaus Jensen nvme_sg_split(&sg, ns, NULL, &req->sg); 105888eea45cSKlaus Jensen nvme_sg_unmap(&sg); 105988eea45cSKlaus Jensen 106088eea45cSKlaus Jensen return NVME_SUCCESS; 106188eea45cSKlaus Jensen } 106288eea45cSKlaus Jensen 106388eea45cSKlaus Jensen return nvme_map_mptr(n, &req->sg, len, &req->cmd); 106488eea45cSKlaus Jensen } 106588eea45cSKlaus Jensen 106688eea45cSKlaus Jensen static uint16_t nvme_tx_interleaved(NvmeCtrl *n, NvmeSg *sg, uint8_t *ptr, 106788eea45cSKlaus Jensen uint32_t len, uint32_t bytes, 106888eea45cSKlaus Jensen int32_t skip_bytes, int64_t offset, 106988eea45cSKlaus Jensen NvmeTxDirection dir) 107088eea45cSKlaus Jensen { 107188eea45cSKlaus Jensen hwaddr addr; 107288eea45cSKlaus Jensen uint32_t trans_len, count = bytes; 107388eea45cSKlaus Jensen bool dma = sg->flags & NVME_SG_DMA; 107488eea45cSKlaus Jensen int64_t sge_len; 107588eea45cSKlaus Jensen int sg_idx = 0; 107688eea45cSKlaus Jensen int ret; 107788eea45cSKlaus Jensen 107888eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 107988eea45cSKlaus Jensen 108088eea45cSKlaus Jensen while (len) { 108188eea45cSKlaus Jensen sge_len = dma ? sg->qsg.sg[sg_idx].len : sg->iov.iov[sg_idx].iov_len; 108288eea45cSKlaus Jensen 108388eea45cSKlaus Jensen if (sge_len - offset < 0) { 108488eea45cSKlaus Jensen offset -= sge_len; 108588eea45cSKlaus Jensen sg_idx++; 108688eea45cSKlaus Jensen continue; 108788eea45cSKlaus Jensen } 108888eea45cSKlaus Jensen 108988eea45cSKlaus Jensen if (sge_len == offset) { 109088eea45cSKlaus Jensen offset = 0; 109188eea45cSKlaus Jensen sg_idx++; 109288eea45cSKlaus Jensen continue; 109388eea45cSKlaus Jensen } 109488eea45cSKlaus Jensen 109588eea45cSKlaus Jensen trans_len = MIN(len, count); 109688eea45cSKlaus Jensen trans_len = MIN(trans_len, sge_len - offset); 109788eea45cSKlaus Jensen 109888eea45cSKlaus Jensen if (dma) { 109988eea45cSKlaus Jensen addr = sg->qsg.sg[sg_idx].base + offset; 110088eea45cSKlaus Jensen } else { 110188eea45cSKlaus Jensen addr = (hwaddr)(uintptr_t)sg->iov.iov[sg_idx].iov_base + offset; 110288eea45cSKlaus Jensen } 110388eea45cSKlaus Jensen 110488eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 110588eea45cSKlaus Jensen ret = nvme_addr_read(n, addr, ptr, trans_len); 110688eea45cSKlaus Jensen } else { 110788eea45cSKlaus Jensen ret = nvme_addr_write(n, addr, ptr, trans_len); 110888eea45cSKlaus Jensen } 110988eea45cSKlaus Jensen 111088eea45cSKlaus Jensen if (ret) { 111188eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 111288eea45cSKlaus Jensen } 111388eea45cSKlaus Jensen 111488eea45cSKlaus Jensen ptr += trans_len; 111588eea45cSKlaus Jensen len -= trans_len; 111688eea45cSKlaus Jensen count -= trans_len; 111788eea45cSKlaus Jensen offset += trans_len; 111888eea45cSKlaus Jensen 111988eea45cSKlaus Jensen if (count == 0) { 112088eea45cSKlaus Jensen count = bytes; 112188eea45cSKlaus Jensen offset += skip_bytes; 112288eea45cSKlaus Jensen } 112388eea45cSKlaus Jensen } 112488eea45cSKlaus Jensen 112588eea45cSKlaus Jensen return NVME_SUCCESS; 112688eea45cSKlaus Jensen } 112788eea45cSKlaus Jensen 112888eea45cSKlaus Jensen static uint16_t nvme_tx(NvmeCtrl *n, NvmeSg *sg, uint8_t *ptr, uint32_t len, 112988eea45cSKlaus Jensen NvmeTxDirection dir) 113088eea45cSKlaus Jensen { 113188eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 113288eea45cSKlaus Jensen 113388eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 113488eea45cSKlaus Jensen uint64_t residual; 113588eea45cSKlaus Jensen 113688eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 113788eea45cSKlaus Jensen residual = dma_buf_write(ptr, len, &sg->qsg); 113888eea45cSKlaus Jensen } else { 113988eea45cSKlaus Jensen residual = dma_buf_read(ptr, len, &sg->qsg); 114088eea45cSKlaus Jensen } 114188eea45cSKlaus Jensen 114288eea45cSKlaus Jensen if (unlikely(residual)) { 114388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_dma(); 114488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 114588eea45cSKlaus Jensen } 114688eea45cSKlaus Jensen } else { 114788eea45cSKlaus Jensen size_t bytes; 114888eea45cSKlaus Jensen 114988eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 115088eea45cSKlaus Jensen bytes = qemu_iovec_to_buf(&sg->iov, 0, ptr, len); 115188eea45cSKlaus Jensen } else { 115288eea45cSKlaus Jensen bytes = qemu_iovec_from_buf(&sg->iov, 0, ptr, len); 115388eea45cSKlaus Jensen } 115488eea45cSKlaus Jensen 115588eea45cSKlaus Jensen if (unlikely(bytes != len)) { 115688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_dma(); 115788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 115888eea45cSKlaus Jensen } 115988eea45cSKlaus Jensen } 116088eea45cSKlaus Jensen 116188eea45cSKlaus Jensen return NVME_SUCCESS; 116288eea45cSKlaus Jensen } 116388eea45cSKlaus Jensen 116488eea45cSKlaus Jensen static inline uint16_t nvme_c2h(NvmeCtrl *n, uint8_t *ptr, uint32_t len, 116588eea45cSKlaus Jensen NvmeRequest *req) 116688eea45cSKlaus Jensen { 116788eea45cSKlaus Jensen uint16_t status; 116888eea45cSKlaus Jensen 116988eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 117088eea45cSKlaus Jensen if (status) { 117188eea45cSKlaus Jensen return status; 117288eea45cSKlaus Jensen } 117388eea45cSKlaus Jensen 117488eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, NVME_TX_DIRECTION_FROM_DEVICE); 117588eea45cSKlaus Jensen } 117688eea45cSKlaus Jensen 117788eea45cSKlaus Jensen static inline uint16_t nvme_h2c(NvmeCtrl *n, uint8_t *ptr, uint32_t len, 117888eea45cSKlaus Jensen NvmeRequest *req) 117988eea45cSKlaus Jensen { 118088eea45cSKlaus Jensen uint16_t status; 118188eea45cSKlaus Jensen 118288eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 118388eea45cSKlaus Jensen if (status) { 118488eea45cSKlaus Jensen return status; 118588eea45cSKlaus Jensen } 118688eea45cSKlaus Jensen 118788eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, NVME_TX_DIRECTION_TO_DEVICE); 118888eea45cSKlaus Jensen } 118988eea45cSKlaus Jensen 119088eea45cSKlaus Jensen uint16_t nvme_bounce_data(NvmeCtrl *n, uint8_t *ptr, uint32_t len, 119188eea45cSKlaus Jensen NvmeTxDirection dir, NvmeRequest *req) 119288eea45cSKlaus Jensen { 119388eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 119488eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 11952a132309SKlaus Jensen bool pi = !!NVME_ID_NS_DPS_TYPE(ns->id_ns.dps); 11962a132309SKlaus Jensen bool pract = !!(le16_to_cpu(rw->control) & NVME_RW_PRINFO_PRACT); 119788eea45cSKlaus Jensen 11982a132309SKlaus Jensen if (nvme_ns_ext(ns) && !(pi && pract && ns->lbaf.ms == 8)) { 119988eea45cSKlaus Jensen return nvme_tx_interleaved(n, &req->sg, ptr, len, ns->lbasz, 120088eea45cSKlaus Jensen ns->lbaf.ms, 0, dir); 120188eea45cSKlaus Jensen } 120288eea45cSKlaus Jensen 120388eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, dir); 120488eea45cSKlaus Jensen } 120588eea45cSKlaus Jensen 120688eea45cSKlaus Jensen uint16_t nvme_bounce_mdata(NvmeCtrl *n, uint8_t *ptr, uint32_t len, 120788eea45cSKlaus Jensen NvmeTxDirection dir, NvmeRequest *req) 120888eea45cSKlaus Jensen { 120988eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 121088eea45cSKlaus Jensen uint16_t status; 121188eea45cSKlaus Jensen 121288eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 121388eea45cSKlaus Jensen return nvme_tx_interleaved(n, &req->sg, ptr, len, ns->lbaf.ms, 121488eea45cSKlaus Jensen ns->lbasz, ns->lbasz, dir); 121588eea45cSKlaus Jensen } 121688eea45cSKlaus Jensen 121788eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 121888eea45cSKlaus Jensen 121988eea45cSKlaus Jensen status = nvme_map_mptr(n, &req->sg, len, &req->cmd); 122088eea45cSKlaus Jensen if (status) { 122188eea45cSKlaus Jensen return status; 122288eea45cSKlaus Jensen } 122388eea45cSKlaus Jensen 122488eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, dir); 122588eea45cSKlaus Jensen } 122688eea45cSKlaus Jensen 122788eea45cSKlaus Jensen static inline void nvme_blk_read(BlockBackend *blk, int64_t offset, 122888eea45cSKlaus Jensen BlockCompletionFunc *cb, NvmeRequest *req) 122988eea45cSKlaus Jensen { 123088eea45cSKlaus Jensen assert(req->sg.flags & NVME_SG_ALLOC); 123188eea45cSKlaus Jensen 123288eea45cSKlaus Jensen if (req->sg.flags & NVME_SG_DMA) { 123388eea45cSKlaus Jensen req->aiocb = dma_blk_read(blk, &req->sg.qsg, offset, BDRV_SECTOR_SIZE, 123488eea45cSKlaus Jensen cb, req); 123588eea45cSKlaus Jensen } else { 123688eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &req->sg.iov, 0, cb, req); 123788eea45cSKlaus Jensen } 123888eea45cSKlaus Jensen } 123988eea45cSKlaus Jensen 124088eea45cSKlaus Jensen static inline void nvme_blk_write(BlockBackend *blk, int64_t offset, 124188eea45cSKlaus Jensen BlockCompletionFunc *cb, NvmeRequest *req) 124288eea45cSKlaus Jensen { 124388eea45cSKlaus Jensen assert(req->sg.flags & NVME_SG_ALLOC); 124488eea45cSKlaus Jensen 124588eea45cSKlaus Jensen if (req->sg.flags & NVME_SG_DMA) { 124688eea45cSKlaus Jensen req->aiocb = dma_blk_write(blk, &req->sg.qsg, offset, BDRV_SECTOR_SIZE, 124788eea45cSKlaus Jensen cb, req); 124888eea45cSKlaus Jensen } else { 124988eea45cSKlaus Jensen req->aiocb = blk_aio_pwritev(blk, offset, &req->sg.iov, 0, cb, req); 125088eea45cSKlaus Jensen } 125188eea45cSKlaus Jensen } 125288eea45cSKlaus Jensen 125388eea45cSKlaus Jensen static void nvme_post_cqes(void *opaque) 125488eea45cSKlaus Jensen { 125588eea45cSKlaus Jensen NvmeCQueue *cq = opaque; 125688eea45cSKlaus Jensen NvmeCtrl *n = cq->ctrl; 125788eea45cSKlaus Jensen NvmeRequest *req, *next; 1258*83d7ed5cSKlaus Jensen bool pending = cq->head != cq->tail; 125988eea45cSKlaus Jensen int ret; 126088eea45cSKlaus Jensen 126188eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(req, &cq->req_list, entry, next) { 126288eea45cSKlaus Jensen NvmeSQueue *sq; 126388eea45cSKlaus Jensen hwaddr addr; 126488eea45cSKlaus Jensen 126588eea45cSKlaus Jensen if (nvme_cq_full(cq)) { 126688eea45cSKlaus Jensen break; 126788eea45cSKlaus Jensen } 126888eea45cSKlaus Jensen 126988eea45cSKlaus Jensen sq = req->sq; 127088eea45cSKlaus Jensen req->cqe.status = cpu_to_le16((req->status << 1) | cq->phase); 127188eea45cSKlaus Jensen req->cqe.sq_id = cpu_to_le16(sq->sqid); 127288eea45cSKlaus Jensen req->cqe.sq_head = cpu_to_le16(sq->head); 127388eea45cSKlaus Jensen addr = cq->dma_addr + cq->tail * n->cqe_size; 127488eea45cSKlaus Jensen ret = pci_dma_write(&n->parent_obj, addr, (void *)&req->cqe, 127588eea45cSKlaus Jensen sizeof(req->cqe)); 127688eea45cSKlaus Jensen if (ret) { 127788eea45cSKlaus Jensen trace_pci_nvme_err_addr_write(addr); 127888eea45cSKlaus Jensen trace_pci_nvme_err_cfs(); 127988eea45cSKlaus Jensen n->bar.csts = NVME_CSTS_FAILED; 128088eea45cSKlaus Jensen break; 128188eea45cSKlaus Jensen } 128288eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->req_list, req, entry); 128388eea45cSKlaus Jensen nvme_inc_cq_tail(cq); 128488eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 128588eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->req_list, req, entry); 128688eea45cSKlaus Jensen } 128788eea45cSKlaus Jensen if (cq->tail != cq->head) { 1288*83d7ed5cSKlaus Jensen if (cq->irq_enabled && !pending) { 1289*83d7ed5cSKlaus Jensen n->cq_pending++; 1290*83d7ed5cSKlaus Jensen } 1291*83d7ed5cSKlaus Jensen 129288eea45cSKlaus Jensen nvme_irq_assert(n, cq); 129388eea45cSKlaus Jensen } 129488eea45cSKlaus Jensen } 129588eea45cSKlaus Jensen 129688eea45cSKlaus Jensen static void nvme_enqueue_req_completion(NvmeCQueue *cq, NvmeRequest *req) 129788eea45cSKlaus Jensen { 129888eea45cSKlaus Jensen assert(cq->cqid == req->sq->cqid); 129988eea45cSKlaus Jensen trace_pci_nvme_enqueue_req_completion(nvme_cid(req), cq->cqid, 1300f1c97407SKlaus Jensen le32_to_cpu(req->cqe.result), 1301f1c97407SKlaus Jensen le32_to_cpu(req->cqe.dw1), 130288eea45cSKlaus Jensen req->status); 130388eea45cSKlaus Jensen 130488eea45cSKlaus Jensen if (req->status) { 130588eea45cSKlaus Jensen trace_pci_nvme_err_req_status(nvme_cid(req), nvme_nsid(req->ns), 130688eea45cSKlaus Jensen req->status, req->cmd.opcode); 130788eea45cSKlaus Jensen } 130888eea45cSKlaus Jensen 130988eea45cSKlaus Jensen QTAILQ_REMOVE(&req->sq->out_req_list, req, entry); 131088eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&cq->req_list, req, entry); 131188eea45cSKlaus Jensen timer_mod(cq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); 131288eea45cSKlaus Jensen } 131388eea45cSKlaus Jensen 131488eea45cSKlaus Jensen static void nvme_process_aers(void *opaque) 131588eea45cSKlaus Jensen { 131688eea45cSKlaus Jensen NvmeCtrl *n = opaque; 131788eea45cSKlaus Jensen NvmeAsyncEvent *event, *next; 131888eea45cSKlaus Jensen 131988eea45cSKlaus Jensen trace_pci_nvme_process_aers(n->aer_queued); 132088eea45cSKlaus Jensen 132188eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(event, &n->aer_queue, entry, next) { 132288eea45cSKlaus Jensen NvmeRequest *req; 132388eea45cSKlaus Jensen NvmeAerResult *result; 132488eea45cSKlaus Jensen 132588eea45cSKlaus Jensen /* can't post cqe if there is nothing to complete */ 132688eea45cSKlaus Jensen if (!n->outstanding_aers) { 132788eea45cSKlaus Jensen trace_pci_nvme_no_outstanding_aers(); 132888eea45cSKlaus Jensen break; 132988eea45cSKlaus Jensen } 133088eea45cSKlaus Jensen 133188eea45cSKlaus Jensen /* ignore if masked (cqe posted, but event not cleared) */ 133288eea45cSKlaus Jensen if (n->aer_mask & (1 << event->result.event_type)) { 133388eea45cSKlaus Jensen trace_pci_nvme_aer_masked(event->result.event_type, n->aer_mask); 133488eea45cSKlaus Jensen continue; 133588eea45cSKlaus Jensen } 133688eea45cSKlaus Jensen 133788eea45cSKlaus Jensen QTAILQ_REMOVE(&n->aer_queue, event, entry); 133888eea45cSKlaus Jensen n->aer_queued--; 133988eea45cSKlaus Jensen 134088eea45cSKlaus Jensen n->aer_mask |= 1 << event->result.event_type; 134188eea45cSKlaus Jensen n->outstanding_aers--; 134288eea45cSKlaus Jensen 134388eea45cSKlaus Jensen req = n->aer_reqs[n->outstanding_aers]; 134488eea45cSKlaus Jensen 134588eea45cSKlaus Jensen result = (NvmeAerResult *) &req->cqe.result; 134688eea45cSKlaus Jensen result->event_type = event->result.event_type; 134788eea45cSKlaus Jensen result->event_info = event->result.event_info; 134888eea45cSKlaus Jensen result->log_page = event->result.log_page; 134988eea45cSKlaus Jensen g_free(event); 135088eea45cSKlaus Jensen 135188eea45cSKlaus Jensen trace_pci_nvme_aer_post_cqe(result->event_type, result->event_info, 135288eea45cSKlaus Jensen result->log_page); 135388eea45cSKlaus Jensen 135488eea45cSKlaus Jensen nvme_enqueue_req_completion(&n->admin_cq, req); 135588eea45cSKlaus Jensen } 135688eea45cSKlaus Jensen } 135788eea45cSKlaus Jensen 135888eea45cSKlaus Jensen static void nvme_enqueue_event(NvmeCtrl *n, uint8_t event_type, 135988eea45cSKlaus Jensen uint8_t event_info, uint8_t log_page) 136088eea45cSKlaus Jensen { 136188eea45cSKlaus Jensen NvmeAsyncEvent *event; 136288eea45cSKlaus Jensen 136388eea45cSKlaus Jensen trace_pci_nvme_enqueue_event(event_type, event_info, log_page); 136488eea45cSKlaus Jensen 136588eea45cSKlaus Jensen if (n->aer_queued == n->params.aer_max_queued) { 136688eea45cSKlaus Jensen trace_pci_nvme_enqueue_event_noqueue(n->aer_queued); 136788eea45cSKlaus Jensen return; 136888eea45cSKlaus Jensen } 136988eea45cSKlaus Jensen 137088eea45cSKlaus Jensen event = g_new(NvmeAsyncEvent, 1); 137188eea45cSKlaus Jensen event->result = (NvmeAerResult) { 137288eea45cSKlaus Jensen .event_type = event_type, 137388eea45cSKlaus Jensen .event_info = event_info, 137488eea45cSKlaus Jensen .log_page = log_page, 137588eea45cSKlaus Jensen }; 137688eea45cSKlaus Jensen 137788eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&n->aer_queue, event, entry); 137888eea45cSKlaus Jensen n->aer_queued++; 137988eea45cSKlaus Jensen 138088eea45cSKlaus Jensen nvme_process_aers(n); 138188eea45cSKlaus Jensen } 138288eea45cSKlaus Jensen 138388eea45cSKlaus Jensen static void nvme_smart_event(NvmeCtrl *n, uint8_t event) 138488eea45cSKlaus Jensen { 138588eea45cSKlaus Jensen uint8_t aer_info; 138688eea45cSKlaus Jensen 138788eea45cSKlaus Jensen /* Ref SPEC <Asynchronous Event Information 0x2013 SMART / Health Status> */ 138888eea45cSKlaus Jensen if (!(NVME_AEC_SMART(n->features.async_config) & event)) { 138988eea45cSKlaus Jensen return; 139088eea45cSKlaus Jensen } 139188eea45cSKlaus Jensen 139288eea45cSKlaus Jensen switch (event) { 139388eea45cSKlaus Jensen case NVME_SMART_SPARE: 139488eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_SPARE_THRESH; 139588eea45cSKlaus Jensen break; 139688eea45cSKlaus Jensen case NVME_SMART_TEMPERATURE: 139788eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_TEMP_THRESH; 139888eea45cSKlaus Jensen break; 139988eea45cSKlaus Jensen case NVME_SMART_RELIABILITY: 140088eea45cSKlaus Jensen case NVME_SMART_MEDIA_READ_ONLY: 140188eea45cSKlaus Jensen case NVME_SMART_FAILED_VOLATILE_MEDIA: 140288eea45cSKlaus Jensen case NVME_SMART_PMR_UNRELIABLE: 140388eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_RELIABILITY; 140488eea45cSKlaus Jensen break; 140588eea45cSKlaus Jensen default: 140688eea45cSKlaus Jensen return; 140788eea45cSKlaus Jensen } 140888eea45cSKlaus Jensen 140988eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_SMART, aer_info, NVME_LOG_SMART_INFO); 141088eea45cSKlaus Jensen } 141188eea45cSKlaus Jensen 141288eea45cSKlaus Jensen static void nvme_clear_events(NvmeCtrl *n, uint8_t event_type) 141388eea45cSKlaus Jensen { 141488eea45cSKlaus Jensen n->aer_mask &= ~(1 << event_type); 141588eea45cSKlaus Jensen if (!QTAILQ_EMPTY(&n->aer_queue)) { 141688eea45cSKlaus Jensen nvme_process_aers(n); 141788eea45cSKlaus Jensen } 141888eea45cSKlaus Jensen } 141988eea45cSKlaus Jensen 142088eea45cSKlaus Jensen static inline uint16_t nvme_check_mdts(NvmeCtrl *n, size_t len) 142188eea45cSKlaus Jensen { 142288eea45cSKlaus Jensen uint8_t mdts = n->params.mdts; 142388eea45cSKlaus Jensen 142488eea45cSKlaus Jensen if (mdts && len > n->page_size << mdts) { 142588eea45cSKlaus Jensen trace_pci_nvme_err_mdts(len); 142688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 142788eea45cSKlaus Jensen } 142888eea45cSKlaus Jensen 142988eea45cSKlaus Jensen return NVME_SUCCESS; 143088eea45cSKlaus Jensen } 143188eea45cSKlaus Jensen 143288eea45cSKlaus Jensen static inline uint16_t nvme_check_bounds(NvmeNamespace *ns, uint64_t slba, 143388eea45cSKlaus Jensen uint32_t nlb) 143488eea45cSKlaus Jensen { 143588eea45cSKlaus Jensen uint64_t nsze = le64_to_cpu(ns->id_ns.nsze); 143688eea45cSKlaus Jensen 143788eea45cSKlaus Jensen if (unlikely(UINT64_MAX - slba < nlb || slba + nlb > nsze)) { 143888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(slba, nlb, nsze); 143988eea45cSKlaus Jensen return NVME_LBA_RANGE | NVME_DNR; 144088eea45cSKlaus Jensen } 144188eea45cSKlaus Jensen 144288eea45cSKlaus Jensen return NVME_SUCCESS; 144388eea45cSKlaus Jensen } 144488eea45cSKlaus Jensen 1445ff0ac2c8SKlaus Jensen static int nvme_block_status_all(NvmeNamespace *ns, uint64_t slba, 1446ff0ac2c8SKlaus Jensen uint32_t nlb, int flags) 144788eea45cSKlaus Jensen { 144888eea45cSKlaus Jensen BlockDriverState *bs = blk_bs(ns->blkconf.blk); 144988eea45cSKlaus Jensen 145088eea45cSKlaus Jensen int64_t pnum = 0, bytes = nvme_l2b(ns, nlb); 145188eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 145288eea45cSKlaus Jensen int ret; 145388eea45cSKlaus Jensen 145488eea45cSKlaus Jensen /* 145588eea45cSKlaus Jensen * `pnum` holds the number of bytes after offset that shares the same 145688eea45cSKlaus Jensen * allocation status as the byte at offset. If `pnum` is different from 145788eea45cSKlaus Jensen * `bytes`, we should check the allocation status of the next range and 145888eea45cSKlaus Jensen * continue this until all bytes have been checked. 145988eea45cSKlaus Jensen */ 146088eea45cSKlaus Jensen do { 146188eea45cSKlaus Jensen bytes -= pnum; 146288eea45cSKlaus Jensen 146388eea45cSKlaus Jensen ret = bdrv_block_status(bs, offset, bytes, &pnum, NULL, NULL); 146488eea45cSKlaus Jensen if (ret < 0) { 1465ff0ac2c8SKlaus Jensen return ret; 146688eea45cSKlaus Jensen } 146788eea45cSKlaus Jensen 146888eea45cSKlaus Jensen 1469ff0ac2c8SKlaus Jensen trace_pci_nvme_block_status(offset, bytes, pnum, ret, 1470ff0ac2c8SKlaus Jensen !!(ret & BDRV_BLOCK_ZERO)); 147188eea45cSKlaus Jensen 1472ff0ac2c8SKlaus Jensen if (!(ret & flags)) { 1473ff0ac2c8SKlaus Jensen return 1; 147488eea45cSKlaus Jensen } 147588eea45cSKlaus Jensen 147688eea45cSKlaus Jensen offset += pnum; 147788eea45cSKlaus Jensen } while (pnum != bytes); 147888eea45cSKlaus Jensen 1479ff0ac2c8SKlaus Jensen return 0; 1480ff0ac2c8SKlaus Jensen } 1481ff0ac2c8SKlaus Jensen 1482ff0ac2c8SKlaus Jensen static uint16_t nvme_check_dulbe(NvmeNamespace *ns, uint64_t slba, 1483ff0ac2c8SKlaus Jensen uint32_t nlb) 1484ff0ac2c8SKlaus Jensen { 1485ff0ac2c8SKlaus Jensen int ret; 1486ff0ac2c8SKlaus Jensen Error *err = NULL; 1487ff0ac2c8SKlaus Jensen 1488ff0ac2c8SKlaus Jensen ret = nvme_block_status_all(ns, slba, nlb, BDRV_BLOCK_DATA); 1489ff0ac2c8SKlaus Jensen if (ret) { 1490ff0ac2c8SKlaus Jensen if (ret < 0) { 1491ff0ac2c8SKlaus Jensen error_setg_errno(&err, -ret, "unable to get block status"); 1492ff0ac2c8SKlaus Jensen error_report_err(err); 1493ff0ac2c8SKlaus Jensen 1494ff0ac2c8SKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 1495ff0ac2c8SKlaus Jensen } 1496ff0ac2c8SKlaus Jensen 1497ff0ac2c8SKlaus Jensen return NVME_DULB; 1498ff0ac2c8SKlaus Jensen } 1499ff0ac2c8SKlaus Jensen 150088eea45cSKlaus Jensen return NVME_SUCCESS; 150188eea45cSKlaus Jensen } 150288eea45cSKlaus Jensen 150388eea45cSKlaus Jensen static void nvme_aio_err(NvmeRequest *req, int ret) 150488eea45cSKlaus Jensen { 150588eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 150688eea45cSKlaus Jensen Error *local_err = NULL; 150788eea45cSKlaus Jensen 150888eea45cSKlaus Jensen switch (req->cmd.opcode) { 150988eea45cSKlaus Jensen case NVME_CMD_READ: 151088eea45cSKlaus Jensen status = NVME_UNRECOVERED_READ; 151188eea45cSKlaus Jensen break; 151288eea45cSKlaus Jensen case NVME_CMD_FLUSH: 151388eea45cSKlaus Jensen case NVME_CMD_WRITE: 151488eea45cSKlaus Jensen case NVME_CMD_WRITE_ZEROES: 151588eea45cSKlaus Jensen case NVME_CMD_ZONE_APPEND: 151688eea45cSKlaus Jensen status = NVME_WRITE_FAULT; 151788eea45cSKlaus Jensen break; 151888eea45cSKlaus Jensen default: 151988eea45cSKlaus Jensen status = NVME_INTERNAL_DEV_ERROR; 152088eea45cSKlaus Jensen break; 152188eea45cSKlaus Jensen } 152288eea45cSKlaus Jensen 152388eea45cSKlaus Jensen trace_pci_nvme_err_aio(nvme_cid(req), strerror(-ret), status); 152488eea45cSKlaus Jensen 152588eea45cSKlaus Jensen error_setg_errno(&local_err, -ret, "aio failed"); 152688eea45cSKlaus Jensen error_report_err(local_err); 152788eea45cSKlaus Jensen 152888eea45cSKlaus Jensen /* 152988eea45cSKlaus Jensen * Set the command status code to the first encountered error but allow a 153088eea45cSKlaus Jensen * subsequent Internal Device Error to trump it. 153188eea45cSKlaus Jensen */ 153288eea45cSKlaus Jensen if (req->status && status != NVME_INTERNAL_DEV_ERROR) { 153388eea45cSKlaus Jensen return; 153488eea45cSKlaus Jensen } 153588eea45cSKlaus Jensen 153688eea45cSKlaus Jensen req->status = status; 153788eea45cSKlaus Jensen } 153888eea45cSKlaus Jensen 153988eea45cSKlaus Jensen static inline uint32_t nvme_zone_idx(NvmeNamespace *ns, uint64_t slba) 154088eea45cSKlaus Jensen { 154188eea45cSKlaus Jensen return ns->zone_size_log2 > 0 ? slba >> ns->zone_size_log2 : 154288eea45cSKlaus Jensen slba / ns->zone_size; 154388eea45cSKlaus Jensen } 154488eea45cSKlaus Jensen 154588eea45cSKlaus Jensen static inline NvmeZone *nvme_get_zone_by_slba(NvmeNamespace *ns, uint64_t slba) 154688eea45cSKlaus Jensen { 154788eea45cSKlaus Jensen uint32_t zone_idx = nvme_zone_idx(ns, slba); 154888eea45cSKlaus Jensen 1549189a8bf7SKlaus Jensen if (zone_idx >= ns->num_zones) { 1550189a8bf7SKlaus Jensen return NULL; 1551189a8bf7SKlaus Jensen } 1552189a8bf7SKlaus Jensen 155388eea45cSKlaus Jensen return &ns->zone_array[zone_idx]; 155488eea45cSKlaus Jensen } 155588eea45cSKlaus Jensen 155688eea45cSKlaus Jensen static uint16_t nvme_check_zone_state_for_write(NvmeZone *zone) 155788eea45cSKlaus Jensen { 155888eea45cSKlaus Jensen uint64_t zslba = zone->d.zslba; 155988eea45cSKlaus Jensen 156088eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 156188eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 156288eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 156388eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 156488eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 156588eea45cSKlaus Jensen return NVME_SUCCESS; 156688eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 156788eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_full(zslba); 156888eea45cSKlaus Jensen return NVME_ZONE_FULL; 156988eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 157088eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_offline(zslba); 157188eea45cSKlaus Jensen return NVME_ZONE_OFFLINE; 157288eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 157388eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_read_only(zslba); 157488eea45cSKlaus Jensen return NVME_ZONE_READ_ONLY; 157588eea45cSKlaus Jensen default: 157688eea45cSKlaus Jensen assert(false); 157788eea45cSKlaus Jensen } 157888eea45cSKlaus Jensen 157988eea45cSKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 158088eea45cSKlaus Jensen } 158188eea45cSKlaus Jensen 158288eea45cSKlaus Jensen static uint16_t nvme_check_zone_write(NvmeNamespace *ns, NvmeZone *zone, 158388eea45cSKlaus Jensen uint64_t slba, uint32_t nlb) 158488eea45cSKlaus Jensen { 158588eea45cSKlaus Jensen uint64_t zcap = nvme_zone_wr_boundary(zone); 158688eea45cSKlaus Jensen uint16_t status; 158788eea45cSKlaus Jensen 158888eea45cSKlaus Jensen status = nvme_check_zone_state_for_write(zone); 158988eea45cSKlaus Jensen if (status) { 159088eea45cSKlaus Jensen return status; 159188eea45cSKlaus Jensen } 159288eea45cSKlaus Jensen 159388eea45cSKlaus Jensen if (unlikely(slba != zone->w_ptr)) { 159488eea45cSKlaus Jensen trace_pci_nvme_err_write_not_at_wp(slba, zone->d.zslba, zone->w_ptr); 159588eea45cSKlaus Jensen return NVME_ZONE_INVALID_WRITE; 159688eea45cSKlaus Jensen } 159788eea45cSKlaus Jensen 159888eea45cSKlaus Jensen if (unlikely((slba + nlb) > zcap)) { 159988eea45cSKlaus Jensen trace_pci_nvme_err_zone_boundary(slba, nlb, zcap); 160088eea45cSKlaus Jensen return NVME_ZONE_BOUNDARY_ERROR; 160188eea45cSKlaus Jensen } 160288eea45cSKlaus Jensen 160388eea45cSKlaus Jensen return NVME_SUCCESS; 160488eea45cSKlaus Jensen } 160588eea45cSKlaus Jensen 160688eea45cSKlaus Jensen static uint16_t nvme_check_zone_state_for_read(NvmeZone *zone) 160788eea45cSKlaus Jensen { 160888eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 160988eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 161088eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 161188eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 161288eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 161388eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 161488eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 161588eea45cSKlaus Jensen return NVME_SUCCESS; 161688eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 161788eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_offline(zone->d.zslba); 161888eea45cSKlaus Jensen return NVME_ZONE_OFFLINE; 161988eea45cSKlaus Jensen default: 162088eea45cSKlaus Jensen assert(false); 162188eea45cSKlaus Jensen } 162288eea45cSKlaus Jensen 162388eea45cSKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 162488eea45cSKlaus Jensen } 162588eea45cSKlaus Jensen 162688eea45cSKlaus Jensen static uint16_t nvme_check_zone_read(NvmeNamespace *ns, uint64_t slba, 162788eea45cSKlaus Jensen uint32_t nlb) 162888eea45cSKlaus Jensen { 1629189a8bf7SKlaus Jensen NvmeZone *zone; 1630189a8bf7SKlaus Jensen uint64_t bndry, end; 163188eea45cSKlaus Jensen uint16_t status; 163288eea45cSKlaus Jensen 1633189a8bf7SKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 1634189a8bf7SKlaus Jensen assert(zone); 1635189a8bf7SKlaus Jensen 1636189a8bf7SKlaus Jensen bndry = nvme_zone_rd_boundary(ns, zone); 1637189a8bf7SKlaus Jensen end = slba + nlb; 1638189a8bf7SKlaus Jensen 163988eea45cSKlaus Jensen status = nvme_check_zone_state_for_read(zone); 164088eea45cSKlaus Jensen if (status) { 164188eea45cSKlaus Jensen ; 164288eea45cSKlaus Jensen } else if (unlikely(end > bndry)) { 164388eea45cSKlaus Jensen if (!ns->params.cross_zone_read) { 164488eea45cSKlaus Jensen status = NVME_ZONE_BOUNDARY_ERROR; 164588eea45cSKlaus Jensen } else { 164688eea45cSKlaus Jensen /* 164788eea45cSKlaus Jensen * Read across zone boundary - check that all subsequent 164888eea45cSKlaus Jensen * zones that are being read have an appropriate state. 164988eea45cSKlaus Jensen */ 165088eea45cSKlaus Jensen do { 165188eea45cSKlaus Jensen zone++; 165288eea45cSKlaus Jensen status = nvme_check_zone_state_for_read(zone); 165388eea45cSKlaus Jensen if (status) { 165488eea45cSKlaus Jensen break; 165588eea45cSKlaus Jensen } 165688eea45cSKlaus Jensen } while (end > nvme_zone_rd_boundary(ns, zone)); 165788eea45cSKlaus Jensen } 165888eea45cSKlaus Jensen } 165988eea45cSKlaus Jensen 166088eea45cSKlaus Jensen return status; 166188eea45cSKlaus Jensen } 166288eea45cSKlaus Jensen 166388eea45cSKlaus Jensen static uint16_t nvme_zrm_finish(NvmeNamespace *ns, NvmeZone *zone) 166488eea45cSKlaus Jensen { 166588eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 166688eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 166788eea45cSKlaus Jensen return NVME_SUCCESS; 166888eea45cSKlaus Jensen 166988eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 167088eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 167188eea45cSKlaus Jensen nvme_aor_dec_open(ns); 167288eea45cSKlaus Jensen /* fallthrough */ 167388eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 167488eea45cSKlaus Jensen nvme_aor_dec_active(ns); 167588eea45cSKlaus Jensen /* fallthrough */ 167688eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 167788eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_FULL); 167888eea45cSKlaus Jensen return NVME_SUCCESS; 167988eea45cSKlaus Jensen 168088eea45cSKlaus Jensen default: 168188eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 168288eea45cSKlaus Jensen } 168388eea45cSKlaus Jensen } 168488eea45cSKlaus Jensen 168588eea45cSKlaus Jensen static uint16_t nvme_zrm_close(NvmeNamespace *ns, NvmeZone *zone) 168688eea45cSKlaus Jensen { 168788eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 168888eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 168988eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 169088eea45cSKlaus Jensen nvme_aor_dec_open(ns); 169188eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_CLOSED); 169288eea45cSKlaus Jensen /* fall through */ 169388eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 169488eea45cSKlaus Jensen return NVME_SUCCESS; 169588eea45cSKlaus Jensen 169688eea45cSKlaus Jensen default: 169788eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 169888eea45cSKlaus Jensen } 169988eea45cSKlaus Jensen } 170088eea45cSKlaus Jensen 170163d96e4fSKlaus Jensen static uint16_t nvme_zrm_reset(NvmeNamespace *ns, NvmeZone *zone) 170263d96e4fSKlaus Jensen { 170363d96e4fSKlaus Jensen switch (nvme_get_zone_state(zone)) { 170463d96e4fSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 170563d96e4fSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 170663d96e4fSKlaus Jensen nvme_aor_dec_open(ns); 170763d96e4fSKlaus Jensen /* fallthrough */ 170863d96e4fSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 170963d96e4fSKlaus Jensen nvme_aor_dec_active(ns); 171063d96e4fSKlaus Jensen /* fallthrough */ 171163d96e4fSKlaus Jensen case NVME_ZONE_STATE_FULL: 171263d96e4fSKlaus Jensen zone->w_ptr = zone->d.zslba; 171363d96e4fSKlaus Jensen zone->d.wp = zone->w_ptr; 171463d96e4fSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_EMPTY); 171563d96e4fSKlaus Jensen /* fallthrough */ 171663d96e4fSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 171763d96e4fSKlaus Jensen return NVME_SUCCESS; 171863d96e4fSKlaus Jensen 171963d96e4fSKlaus Jensen default: 172063d96e4fSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 172163d96e4fSKlaus Jensen } 172263d96e4fSKlaus Jensen } 172363d96e4fSKlaus Jensen 172488eea45cSKlaus Jensen static void nvme_zrm_auto_transition_zone(NvmeNamespace *ns) 172588eea45cSKlaus Jensen { 172688eea45cSKlaus Jensen NvmeZone *zone; 172788eea45cSKlaus Jensen 172888eea45cSKlaus Jensen if (ns->params.max_open_zones && 172988eea45cSKlaus Jensen ns->nr_open_zones == ns->params.max_open_zones) { 173088eea45cSKlaus Jensen zone = QTAILQ_FIRST(&ns->imp_open_zones); 173188eea45cSKlaus Jensen if (zone) { 173288eea45cSKlaus Jensen /* 173388eea45cSKlaus Jensen * Automatically close this implicitly open zone. 173488eea45cSKlaus Jensen */ 173588eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->imp_open_zones, zone, entry); 173688eea45cSKlaus Jensen nvme_zrm_close(ns, zone); 173788eea45cSKlaus Jensen } 173888eea45cSKlaus Jensen } 173988eea45cSKlaus Jensen } 174088eea45cSKlaus Jensen 174188eea45cSKlaus Jensen enum { 174288eea45cSKlaus Jensen NVME_ZRM_AUTO = 1 << 0, 174388eea45cSKlaus Jensen }; 174488eea45cSKlaus Jensen 1745cccc2651SNiklas Cassel static uint16_t nvme_zrm_open_flags(NvmeCtrl *n, NvmeNamespace *ns, 1746cccc2651SNiklas Cassel NvmeZone *zone, int flags) 174788eea45cSKlaus Jensen { 174888eea45cSKlaus Jensen int act = 0; 174988eea45cSKlaus Jensen uint16_t status; 175088eea45cSKlaus Jensen 175188eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 175288eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 175388eea45cSKlaus Jensen act = 1; 175488eea45cSKlaus Jensen 175588eea45cSKlaus Jensen /* fallthrough */ 175688eea45cSKlaus Jensen 175788eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 1758cccc2651SNiklas Cassel if (n->params.auto_transition_zones) { 175988eea45cSKlaus Jensen nvme_zrm_auto_transition_zone(ns); 1760cccc2651SNiklas Cassel } 176188eea45cSKlaus Jensen status = nvme_aor_check(ns, act, 1); 176288eea45cSKlaus Jensen if (status) { 176388eea45cSKlaus Jensen return status; 176488eea45cSKlaus Jensen } 176588eea45cSKlaus Jensen 176688eea45cSKlaus Jensen if (act) { 176788eea45cSKlaus Jensen nvme_aor_inc_active(ns); 176888eea45cSKlaus Jensen } 176988eea45cSKlaus Jensen 177088eea45cSKlaus Jensen nvme_aor_inc_open(ns); 177188eea45cSKlaus Jensen 177288eea45cSKlaus Jensen if (flags & NVME_ZRM_AUTO) { 177388eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_IMPLICITLY_OPEN); 177488eea45cSKlaus Jensen return NVME_SUCCESS; 177588eea45cSKlaus Jensen } 177688eea45cSKlaus Jensen 177788eea45cSKlaus Jensen /* fallthrough */ 177888eea45cSKlaus Jensen 177988eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 178088eea45cSKlaus Jensen if (flags & NVME_ZRM_AUTO) { 178188eea45cSKlaus Jensen return NVME_SUCCESS; 178288eea45cSKlaus Jensen } 178388eea45cSKlaus Jensen 178488eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_EXPLICITLY_OPEN); 178588eea45cSKlaus Jensen 178688eea45cSKlaus Jensen /* fallthrough */ 178788eea45cSKlaus Jensen 178888eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 178988eea45cSKlaus Jensen return NVME_SUCCESS; 179088eea45cSKlaus Jensen 179188eea45cSKlaus Jensen default: 179288eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 179388eea45cSKlaus Jensen } 179488eea45cSKlaus Jensen } 179588eea45cSKlaus Jensen 1796cccc2651SNiklas Cassel static inline uint16_t nvme_zrm_auto(NvmeCtrl *n, NvmeNamespace *ns, 1797cccc2651SNiklas Cassel NvmeZone *zone) 179888eea45cSKlaus Jensen { 1799cccc2651SNiklas Cassel return nvme_zrm_open_flags(n, ns, zone, NVME_ZRM_AUTO); 180088eea45cSKlaus Jensen } 180188eea45cSKlaus Jensen 1802cccc2651SNiklas Cassel static inline uint16_t nvme_zrm_open(NvmeCtrl *n, NvmeNamespace *ns, 1803cccc2651SNiklas Cassel NvmeZone *zone) 180488eea45cSKlaus Jensen { 1805cccc2651SNiklas Cassel return nvme_zrm_open_flags(n, ns, zone, 0); 180688eea45cSKlaus Jensen } 180788eea45cSKlaus Jensen 180888eea45cSKlaus Jensen static void nvme_advance_zone_wp(NvmeNamespace *ns, NvmeZone *zone, 180988eea45cSKlaus Jensen uint32_t nlb) 181088eea45cSKlaus Jensen { 181188eea45cSKlaus Jensen zone->d.wp += nlb; 181288eea45cSKlaus Jensen 181388eea45cSKlaus Jensen if (zone->d.wp == nvme_zone_wr_boundary(zone)) { 181488eea45cSKlaus Jensen nvme_zrm_finish(ns, zone); 181588eea45cSKlaus Jensen } 181688eea45cSKlaus Jensen } 181788eea45cSKlaus Jensen 181888eea45cSKlaus Jensen static void nvme_finalize_zoned_write(NvmeNamespace *ns, NvmeRequest *req) 181988eea45cSKlaus Jensen { 182088eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 182188eea45cSKlaus Jensen NvmeZone *zone; 182288eea45cSKlaus Jensen uint64_t slba; 182388eea45cSKlaus Jensen uint32_t nlb; 182488eea45cSKlaus Jensen 182588eea45cSKlaus Jensen slba = le64_to_cpu(rw->slba); 182688eea45cSKlaus Jensen nlb = le16_to_cpu(rw->nlb) + 1; 182788eea45cSKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 1828189a8bf7SKlaus Jensen assert(zone); 182988eea45cSKlaus Jensen 183088eea45cSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlb); 183188eea45cSKlaus Jensen } 183288eea45cSKlaus Jensen 183388eea45cSKlaus Jensen static inline bool nvme_is_write(NvmeRequest *req) 183488eea45cSKlaus Jensen { 183588eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 183688eea45cSKlaus Jensen 183788eea45cSKlaus Jensen return rw->opcode == NVME_CMD_WRITE || 183888eea45cSKlaus Jensen rw->opcode == NVME_CMD_ZONE_APPEND || 183988eea45cSKlaus Jensen rw->opcode == NVME_CMD_WRITE_ZEROES; 184088eea45cSKlaus Jensen } 184188eea45cSKlaus Jensen 184238f4ac65SKlaus Jensen static AioContext *nvme_get_aio_context(BlockAIOCB *acb) 184338f4ac65SKlaus Jensen { 184438f4ac65SKlaus Jensen return qemu_get_aio_context(); 184538f4ac65SKlaus Jensen } 184638f4ac65SKlaus Jensen 184788eea45cSKlaus Jensen static void nvme_misc_cb(void *opaque, int ret) 184888eea45cSKlaus Jensen { 184988eea45cSKlaus Jensen NvmeRequest *req = opaque; 185088eea45cSKlaus Jensen 185138f4ac65SKlaus Jensen trace_pci_nvme_misc_cb(nvme_cid(req)); 185288eea45cSKlaus Jensen 185388eea45cSKlaus Jensen if (ret) { 185488eea45cSKlaus Jensen nvme_aio_err(req, ret); 185588eea45cSKlaus Jensen } 185688eea45cSKlaus Jensen 185788eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 185888eea45cSKlaus Jensen } 185988eea45cSKlaus Jensen 186088eea45cSKlaus Jensen void nvme_rw_complete_cb(void *opaque, int ret) 186188eea45cSKlaus Jensen { 186288eea45cSKlaus Jensen NvmeRequest *req = opaque; 186388eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 186488eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 186588eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 186688eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 186788eea45cSKlaus Jensen 186888eea45cSKlaus Jensen trace_pci_nvme_rw_complete_cb(nvme_cid(req), blk_name(blk)); 186988eea45cSKlaus Jensen 187088eea45cSKlaus Jensen if (ret) { 187188eea45cSKlaus Jensen block_acct_failed(stats, acct); 187288eea45cSKlaus Jensen nvme_aio_err(req, ret); 187388eea45cSKlaus Jensen } else { 187488eea45cSKlaus Jensen block_acct_done(stats, acct); 187588eea45cSKlaus Jensen } 187688eea45cSKlaus Jensen 187788eea45cSKlaus Jensen if (ns->params.zoned && nvme_is_write(req)) { 187888eea45cSKlaus Jensen nvme_finalize_zoned_write(ns, req); 187988eea45cSKlaus Jensen } 188088eea45cSKlaus Jensen 188188eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 188288eea45cSKlaus Jensen } 188388eea45cSKlaus Jensen 188488eea45cSKlaus Jensen static void nvme_rw_cb(void *opaque, int ret) 188588eea45cSKlaus Jensen { 188688eea45cSKlaus Jensen NvmeRequest *req = opaque; 188788eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 188888eea45cSKlaus Jensen 188988eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 189088eea45cSKlaus Jensen 189188eea45cSKlaus Jensen trace_pci_nvme_rw_cb(nvme_cid(req), blk_name(blk)); 189288eea45cSKlaus Jensen 189388eea45cSKlaus Jensen if (ret) { 189488eea45cSKlaus Jensen goto out; 189588eea45cSKlaus Jensen } 189688eea45cSKlaus Jensen 189788eea45cSKlaus Jensen if (ns->lbaf.ms) { 189888eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 189988eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 190088eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 190188eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 190288eea45cSKlaus Jensen 190388eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_WRITE_ZEROES) { 190488eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 190588eea45cSKlaus Jensen 190688eea45cSKlaus Jensen req->aiocb = blk_aio_pwrite_zeroes(blk, offset, mlen, 190788eea45cSKlaus Jensen BDRV_REQ_MAY_UNMAP, 190888eea45cSKlaus Jensen nvme_rw_complete_cb, req); 190988eea45cSKlaus Jensen return; 191088eea45cSKlaus Jensen } 191188eea45cSKlaus Jensen 191288eea45cSKlaus Jensen if (nvme_ns_ext(ns) || req->cmd.mptr) { 191388eea45cSKlaus Jensen uint16_t status; 191488eea45cSKlaus Jensen 191588eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 191688eea45cSKlaus Jensen status = nvme_map_mdata(nvme_ctrl(req), nlb, req); 191788eea45cSKlaus Jensen if (status) { 191888eea45cSKlaus Jensen ret = -EFAULT; 191988eea45cSKlaus Jensen goto out; 192088eea45cSKlaus Jensen } 192188eea45cSKlaus Jensen 192288eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_READ) { 192388eea45cSKlaus Jensen return nvme_blk_read(blk, offset, nvme_rw_complete_cb, req); 192488eea45cSKlaus Jensen } 192588eea45cSKlaus Jensen 192688eea45cSKlaus Jensen return nvme_blk_write(blk, offset, nvme_rw_complete_cb, req); 192788eea45cSKlaus Jensen } 192888eea45cSKlaus Jensen } 192988eea45cSKlaus Jensen 193088eea45cSKlaus Jensen out: 193188eea45cSKlaus Jensen nvme_rw_complete_cb(req, ret); 193288eea45cSKlaus Jensen } 193388eea45cSKlaus Jensen 193488eea45cSKlaus Jensen static void nvme_verify_cb(void *opaque, int ret) 193588eea45cSKlaus Jensen { 193688eea45cSKlaus Jensen NvmeBounceContext *ctx = opaque; 193788eea45cSKlaus Jensen NvmeRequest *req = ctx->req; 193888eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 193988eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 194088eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 194188eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 194288eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 194388eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 19442a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 194588eea45cSKlaus Jensen uint16_t apptag = le16_to_cpu(rw->apptag); 194688eea45cSKlaus Jensen uint16_t appmask = le16_to_cpu(rw->appmask); 194788eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 194888eea45cSKlaus Jensen uint16_t status; 194988eea45cSKlaus Jensen 19502a132309SKlaus Jensen trace_pci_nvme_verify_cb(nvme_cid(req), prinfo, apptag, appmask, reftag); 195188eea45cSKlaus Jensen 195288eea45cSKlaus Jensen if (ret) { 195388eea45cSKlaus Jensen block_acct_failed(stats, acct); 195488eea45cSKlaus Jensen nvme_aio_err(req, ret); 195588eea45cSKlaus Jensen goto out; 195688eea45cSKlaus Jensen } 195788eea45cSKlaus Jensen 195888eea45cSKlaus Jensen block_acct_done(stats, acct); 195988eea45cSKlaus Jensen 196088eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 196188eea45cSKlaus Jensen status = nvme_dif_mangle_mdata(ns, ctx->mdata.bounce, 196288eea45cSKlaus Jensen ctx->mdata.iov.size, slba); 196388eea45cSKlaus Jensen if (status) { 196488eea45cSKlaus Jensen req->status = status; 196588eea45cSKlaus Jensen goto out; 196688eea45cSKlaus Jensen } 196788eea45cSKlaus Jensen 196888eea45cSKlaus Jensen req->status = nvme_dif_check(ns, ctx->data.bounce, ctx->data.iov.size, 196988eea45cSKlaus Jensen ctx->mdata.bounce, ctx->mdata.iov.size, 19702a132309SKlaus Jensen prinfo, slba, apptag, appmask, &reftag); 197188eea45cSKlaus Jensen } 197288eea45cSKlaus Jensen 197388eea45cSKlaus Jensen out: 197488eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 197588eea45cSKlaus Jensen g_free(ctx->data.bounce); 197688eea45cSKlaus Jensen 197788eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->mdata.iov); 197888eea45cSKlaus Jensen g_free(ctx->mdata.bounce); 197988eea45cSKlaus Jensen 198088eea45cSKlaus Jensen g_free(ctx); 198188eea45cSKlaus Jensen 198288eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 198388eea45cSKlaus Jensen } 198488eea45cSKlaus Jensen 198588eea45cSKlaus Jensen 198688eea45cSKlaus Jensen static void nvme_verify_mdata_in_cb(void *opaque, int ret) 198788eea45cSKlaus Jensen { 198888eea45cSKlaus Jensen NvmeBounceContext *ctx = opaque; 198988eea45cSKlaus Jensen NvmeRequest *req = ctx->req; 199088eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 199188eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 199288eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 199388eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 199488eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 199588eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 199688eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 199788eea45cSKlaus Jensen 199888eea45cSKlaus Jensen trace_pci_nvme_verify_mdata_in_cb(nvme_cid(req), blk_name(blk)); 199988eea45cSKlaus Jensen 200088eea45cSKlaus Jensen if (ret) { 200188eea45cSKlaus Jensen goto out; 200288eea45cSKlaus Jensen } 200388eea45cSKlaus Jensen 200488eea45cSKlaus Jensen ctx->mdata.bounce = g_malloc(mlen); 200588eea45cSKlaus Jensen 200688eea45cSKlaus Jensen qemu_iovec_reset(&ctx->mdata.iov); 200788eea45cSKlaus Jensen qemu_iovec_add(&ctx->mdata.iov, ctx->mdata.bounce, mlen); 200888eea45cSKlaus Jensen 200988eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->mdata.iov, 0, 201088eea45cSKlaus Jensen nvme_verify_cb, ctx); 201188eea45cSKlaus Jensen return; 201288eea45cSKlaus Jensen 201388eea45cSKlaus Jensen out: 201488eea45cSKlaus Jensen nvme_verify_cb(ctx, ret); 201588eea45cSKlaus Jensen } 201688eea45cSKlaus Jensen 201788eea45cSKlaus Jensen struct nvme_compare_ctx { 201888eea45cSKlaus Jensen struct { 201988eea45cSKlaus Jensen QEMUIOVector iov; 202088eea45cSKlaus Jensen uint8_t *bounce; 202188eea45cSKlaus Jensen } data; 202288eea45cSKlaus Jensen 202388eea45cSKlaus Jensen struct { 202488eea45cSKlaus Jensen QEMUIOVector iov; 202588eea45cSKlaus Jensen uint8_t *bounce; 202688eea45cSKlaus Jensen } mdata; 202788eea45cSKlaus Jensen }; 202888eea45cSKlaus Jensen 202988eea45cSKlaus Jensen static void nvme_compare_mdata_cb(void *opaque, int ret) 203088eea45cSKlaus Jensen { 203188eea45cSKlaus Jensen NvmeRequest *req = opaque; 203288eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 203388eea45cSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 203488eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 20352a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 203688eea45cSKlaus Jensen uint16_t apptag = le16_to_cpu(rw->apptag); 203788eea45cSKlaus Jensen uint16_t appmask = le16_to_cpu(rw->appmask); 203888eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 203988eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = req->opaque; 204088eea45cSKlaus Jensen g_autofree uint8_t *buf = NULL; 204188eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 204288eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 204388eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 204488eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 204588eea45cSKlaus Jensen 204688eea45cSKlaus Jensen trace_pci_nvme_compare_mdata_cb(nvme_cid(req)); 204788eea45cSKlaus Jensen 204888eea45cSKlaus Jensen if (ret) { 204988eea45cSKlaus Jensen block_acct_failed(stats, acct); 205088eea45cSKlaus Jensen nvme_aio_err(req, ret); 205188eea45cSKlaus Jensen goto out; 205288eea45cSKlaus Jensen } 205388eea45cSKlaus Jensen 205488eea45cSKlaus Jensen buf = g_malloc(ctx->mdata.iov.size); 205588eea45cSKlaus Jensen 205688eea45cSKlaus Jensen status = nvme_bounce_mdata(n, buf, ctx->mdata.iov.size, 205788eea45cSKlaus Jensen NVME_TX_DIRECTION_TO_DEVICE, req); 205888eea45cSKlaus Jensen if (status) { 205988eea45cSKlaus Jensen req->status = status; 206088eea45cSKlaus Jensen goto out; 206188eea45cSKlaus Jensen } 206288eea45cSKlaus Jensen 206388eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 206488eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 206588eea45cSKlaus Jensen uint8_t *bufp; 206688eea45cSKlaus Jensen uint8_t *mbufp = ctx->mdata.bounce; 206788eea45cSKlaus Jensen uint8_t *end = mbufp + ctx->mdata.iov.size; 206888eea45cSKlaus Jensen int16_t pil = 0; 206988eea45cSKlaus Jensen 207088eea45cSKlaus Jensen status = nvme_dif_check(ns, ctx->data.bounce, ctx->data.iov.size, 20712a132309SKlaus Jensen ctx->mdata.bounce, ctx->mdata.iov.size, prinfo, 20720ca5c3ccSKlaus Jensen slba, apptag, appmask, &reftag); 207388eea45cSKlaus Jensen if (status) { 207488eea45cSKlaus Jensen req->status = status; 207588eea45cSKlaus Jensen goto out; 207688eea45cSKlaus Jensen } 207788eea45cSKlaus Jensen 207888eea45cSKlaus Jensen /* 207988eea45cSKlaus Jensen * When formatted with protection information, do not compare the DIF 208088eea45cSKlaus Jensen * tuple. 208188eea45cSKlaus Jensen */ 208288eea45cSKlaus Jensen if (!(ns->id_ns.dps & NVME_ID_NS_DPS_FIRST_EIGHT)) { 208388eea45cSKlaus Jensen pil = ns->lbaf.ms - sizeof(NvmeDifTuple); 208488eea45cSKlaus Jensen } 208588eea45cSKlaus Jensen 208688eea45cSKlaus Jensen for (bufp = buf; mbufp < end; bufp += ns->lbaf.ms, mbufp += ns->lbaf.ms) { 208788eea45cSKlaus Jensen if (memcmp(bufp + pil, mbufp + pil, ns->lbaf.ms - pil)) { 208888eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 208988eea45cSKlaus Jensen goto out; 209088eea45cSKlaus Jensen } 209188eea45cSKlaus Jensen } 209288eea45cSKlaus Jensen 209388eea45cSKlaus Jensen goto out; 209488eea45cSKlaus Jensen } 209588eea45cSKlaus Jensen 209688eea45cSKlaus Jensen if (memcmp(buf, ctx->mdata.bounce, ctx->mdata.iov.size)) { 209788eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 209888eea45cSKlaus Jensen goto out; 209988eea45cSKlaus Jensen } 210088eea45cSKlaus Jensen 210188eea45cSKlaus Jensen block_acct_done(stats, acct); 210288eea45cSKlaus Jensen 210388eea45cSKlaus Jensen out: 210488eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 210588eea45cSKlaus Jensen g_free(ctx->data.bounce); 210688eea45cSKlaus Jensen 210788eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->mdata.iov); 210888eea45cSKlaus Jensen g_free(ctx->mdata.bounce); 210988eea45cSKlaus Jensen 211088eea45cSKlaus Jensen g_free(ctx); 211188eea45cSKlaus Jensen 211288eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 211388eea45cSKlaus Jensen } 211488eea45cSKlaus Jensen 211588eea45cSKlaus Jensen static void nvme_compare_data_cb(void *opaque, int ret) 211688eea45cSKlaus Jensen { 211788eea45cSKlaus Jensen NvmeRequest *req = opaque; 211888eea45cSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 211988eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 212088eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 212188eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 212288eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 212388eea45cSKlaus Jensen 212488eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = req->opaque; 212588eea45cSKlaus Jensen g_autofree uint8_t *buf = NULL; 212688eea45cSKlaus Jensen uint16_t status; 212788eea45cSKlaus Jensen 212888eea45cSKlaus Jensen trace_pci_nvme_compare_data_cb(nvme_cid(req)); 212988eea45cSKlaus Jensen 213088eea45cSKlaus Jensen if (ret) { 213188eea45cSKlaus Jensen block_acct_failed(stats, acct); 213288eea45cSKlaus Jensen nvme_aio_err(req, ret); 213388eea45cSKlaus Jensen goto out; 213488eea45cSKlaus Jensen } 213588eea45cSKlaus Jensen 213688eea45cSKlaus Jensen buf = g_malloc(ctx->data.iov.size); 213788eea45cSKlaus Jensen 213888eea45cSKlaus Jensen status = nvme_bounce_data(n, buf, ctx->data.iov.size, 213988eea45cSKlaus Jensen NVME_TX_DIRECTION_TO_DEVICE, req); 214088eea45cSKlaus Jensen if (status) { 214188eea45cSKlaus Jensen req->status = status; 214288eea45cSKlaus Jensen goto out; 214388eea45cSKlaus Jensen } 214488eea45cSKlaus Jensen 214588eea45cSKlaus Jensen if (memcmp(buf, ctx->data.bounce, ctx->data.iov.size)) { 214688eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 214788eea45cSKlaus Jensen goto out; 214888eea45cSKlaus Jensen } 214988eea45cSKlaus Jensen 215088eea45cSKlaus Jensen if (ns->lbaf.ms) { 215188eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 215288eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 215388eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 215488eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 215588eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 215688eea45cSKlaus Jensen 215788eea45cSKlaus Jensen ctx->mdata.bounce = g_malloc(mlen); 215888eea45cSKlaus Jensen 215988eea45cSKlaus Jensen qemu_iovec_init(&ctx->mdata.iov, 1); 216088eea45cSKlaus Jensen qemu_iovec_add(&ctx->mdata.iov, ctx->mdata.bounce, mlen); 216188eea45cSKlaus Jensen 216288eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->mdata.iov, 0, 216388eea45cSKlaus Jensen nvme_compare_mdata_cb, req); 216488eea45cSKlaus Jensen return; 216588eea45cSKlaus Jensen } 216688eea45cSKlaus Jensen 216788eea45cSKlaus Jensen block_acct_done(stats, acct); 216888eea45cSKlaus Jensen 216988eea45cSKlaus Jensen out: 217088eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 217188eea45cSKlaus Jensen g_free(ctx->data.bounce); 217288eea45cSKlaus Jensen g_free(ctx); 217388eea45cSKlaus Jensen 217488eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 217588eea45cSKlaus Jensen } 217688eea45cSKlaus Jensen 2177d7d1474fSKlaus Jensen typedef struct NvmeDSMAIOCB { 2178d7d1474fSKlaus Jensen BlockAIOCB common; 2179d7d1474fSKlaus Jensen BlockAIOCB *aiocb; 2180d7d1474fSKlaus Jensen NvmeRequest *req; 2181d7d1474fSKlaus Jensen QEMUBH *bh; 2182d7d1474fSKlaus Jensen int ret; 2183d7d1474fSKlaus Jensen 2184d7d1474fSKlaus Jensen NvmeDsmRange *range; 2185d7d1474fSKlaus Jensen unsigned int nr; 2186d7d1474fSKlaus Jensen unsigned int idx; 2187d7d1474fSKlaus Jensen } NvmeDSMAIOCB; 2188d7d1474fSKlaus Jensen 2189d7d1474fSKlaus Jensen static void nvme_dsm_cancel(BlockAIOCB *aiocb) 2190d7d1474fSKlaus Jensen { 2191d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = container_of(aiocb, NvmeDSMAIOCB, common); 2192d7d1474fSKlaus Jensen 2193d7d1474fSKlaus Jensen /* break nvme_dsm_cb loop */ 2194d7d1474fSKlaus Jensen iocb->idx = iocb->nr; 2195d7d1474fSKlaus Jensen iocb->ret = -ECANCELED; 2196d7d1474fSKlaus Jensen 2197d7d1474fSKlaus Jensen if (iocb->aiocb) { 2198d7d1474fSKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 2199d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2200d7d1474fSKlaus Jensen } else { 2201d7d1474fSKlaus Jensen /* 2202d7d1474fSKlaus Jensen * We only reach this if nvme_dsm_cancel() has already been called or 2203d7d1474fSKlaus Jensen * the command ran to completion and nvme_dsm_bh is scheduled to run. 2204d7d1474fSKlaus Jensen */ 2205d7d1474fSKlaus Jensen assert(iocb->idx == iocb->nr); 2206d7d1474fSKlaus Jensen } 2207d7d1474fSKlaus Jensen } 2208d7d1474fSKlaus Jensen 2209d7d1474fSKlaus Jensen static const AIOCBInfo nvme_dsm_aiocb_info = { 2210d7d1474fSKlaus Jensen .aiocb_size = sizeof(NvmeDSMAIOCB), 2211d7d1474fSKlaus Jensen .cancel_async = nvme_dsm_cancel, 2212d7d1474fSKlaus Jensen }; 2213d7d1474fSKlaus Jensen 2214d7d1474fSKlaus Jensen static void nvme_dsm_bh(void *opaque) 2215d7d1474fSKlaus Jensen { 2216d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2217d7d1474fSKlaus Jensen 2218d7d1474fSKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 2219d7d1474fSKlaus Jensen 2220d7d1474fSKlaus Jensen qemu_bh_delete(iocb->bh); 2221d7d1474fSKlaus Jensen iocb->bh = NULL; 2222d7d1474fSKlaus Jensen qemu_aio_unref(iocb); 2223d7d1474fSKlaus Jensen } 2224d7d1474fSKlaus Jensen 2225d7d1474fSKlaus Jensen static void nvme_dsm_cb(void *opaque, int ret); 2226d7d1474fSKlaus Jensen 2227d7d1474fSKlaus Jensen static void nvme_dsm_md_cb(void *opaque, int ret) 2228d7d1474fSKlaus Jensen { 2229d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2230d7d1474fSKlaus Jensen NvmeRequest *req = iocb->req; 2231d7d1474fSKlaus Jensen NvmeNamespace *ns = req->ns; 2232d7d1474fSKlaus Jensen NvmeDsmRange *range; 2233d7d1474fSKlaus Jensen uint64_t slba; 2234d7d1474fSKlaus Jensen uint32_t nlb; 2235d7d1474fSKlaus Jensen 2236d7d1474fSKlaus Jensen if (ret < 0) { 2237d7d1474fSKlaus Jensen iocb->ret = ret; 2238d7d1474fSKlaus Jensen goto done; 2239d7d1474fSKlaus Jensen } 2240d7d1474fSKlaus Jensen 2241d7d1474fSKlaus Jensen if (!ns->lbaf.ms) { 2242d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 2243d7d1474fSKlaus Jensen return; 2244d7d1474fSKlaus Jensen } 2245d7d1474fSKlaus Jensen 2246d7d1474fSKlaus Jensen range = &iocb->range[iocb->idx - 1]; 2247d7d1474fSKlaus Jensen slba = le64_to_cpu(range->slba); 2248d7d1474fSKlaus Jensen nlb = le32_to_cpu(range->nlb); 2249d7d1474fSKlaus Jensen 2250d7d1474fSKlaus Jensen /* 2251d7d1474fSKlaus Jensen * Check that all block were discarded (zeroed); otherwise we do not zero 2252d7d1474fSKlaus Jensen * the metadata. 2253d7d1474fSKlaus Jensen */ 2254d7d1474fSKlaus Jensen 2255d7d1474fSKlaus Jensen ret = nvme_block_status_all(ns, slba, nlb, BDRV_BLOCK_ZERO); 2256d7d1474fSKlaus Jensen if (ret) { 2257d7d1474fSKlaus Jensen if (ret < 0) { 2258d7d1474fSKlaus Jensen iocb->ret = ret; 2259d7d1474fSKlaus Jensen goto done; 2260d7d1474fSKlaus Jensen } 2261d7d1474fSKlaus Jensen 2262d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 2263d7d1474fSKlaus Jensen } 2264d7d1474fSKlaus Jensen 2265d7d1474fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, nvme_moff(ns, slba), 2266d7d1474fSKlaus Jensen nvme_m2b(ns, nlb), BDRV_REQ_MAY_UNMAP, 2267d7d1474fSKlaus Jensen nvme_dsm_cb, iocb); 2268d7d1474fSKlaus Jensen return; 2269d7d1474fSKlaus Jensen 2270d7d1474fSKlaus Jensen done: 2271d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2272d7d1474fSKlaus Jensen qemu_bh_schedule(iocb->bh); 2273d7d1474fSKlaus Jensen } 2274d7d1474fSKlaus Jensen 2275d7d1474fSKlaus Jensen static void nvme_dsm_cb(void *opaque, int ret) 2276d7d1474fSKlaus Jensen { 2277d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2278d7d1474fSKlaus Jensen NvmeRequest *req = iocb->req; 2279d7d1474fSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 2280d7d1474fSKlaus Jensen NvmeNamespace *ns = req->ns; 2281d7d1474fSKlaus Jensen NvmeDsmRange *range; 2282d7d1474fSKlaus Jensen uint64_t slba; 2283d7d1474fSKlaus Jensen uint32_t nlb; 2284d7d1474fSKlaus Jensen 2285d7d1474fSKlaus Jensen if (ret < 0) { 2286d7d1474fSKlaus Jensen iocb->ret = ret; 2287d7d1474fSKlaus Jensen goto done; 2288d7d1474fSKlaus Jensen } 2289d7d1474fSKlaus Jensen 2290d7d1474fSKlaus Jensen next: 2291d7d1474fSKlaus Jensen if (iocb->idx == iocb->nr) { 2292d7d1474fSKlaus Jensen goto done; 2293d7d1474fSKlaus Jensen } 2294d7d1474fSKlaus Jensen 2295d7d1474fSKlaus Jensen range = &iocb->range[iocb->idx++]; 2296d7d1474fSKlaus Jensen slba = le64_to_cpu(range->slba); 2297d7d1474fSKlaus Jensen nlb = le32_to_cpu(range->nlb); 2298d7d1474fSKlaus Jensen 2299d7d1474fSKlaus Jensen trace_pci_nvme_dsm_deallocate(slba, nlb); 2300d7d1474fSKlaus Jensen 2301d7d1474fSKlaus Jensen if (nlb > n->dmrsl) { 2302d7d1474fSKlaus Jensen trace_pci_nvme_dsm_single_range_limit_exceeded(nlb, n->dmrsl); 2303d7d1474fSKlaus Jensen goto next; 2304d7d1474fSKlaus Jensen } 2305d7d1474fSKlaus Jensen 2306d7d1474fSKlaus Jensen if (nvme_check_bounds(ns, slba, nlb)) { 2307d7d1474fSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(slba, nlb, 2308d7d1474fSKlaus Jensen ns->id_ns.nsze); 2309d7d1474fSKlaus Jensen goto next; 2310d7d1474fSKlaus Jensen } 2311d7d1474fSKlaus Jensen 2312d7d1474fSKlaus Jensen iocb->aiocb = blk_aio_pdiscard(ns->blkconf.blk, nvme_l2b(ns, slba), 2313d7d1474fSKlaus Jensen nvme_l2b(ns, nlb), 2314d7d1474fSKlaus Jensen nvme_dsm_md_cb, iocb); 2315d7d1474fSKlaus Jensen return; 2316d7d1474fSKlaus Jensen 2317d7d1474fSKlaus Jensen done: 2318d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2319d7d1474fSKlaus Jensen qemu_bh_schedule(iocb->bh); 2320d7d1474fSKlaus Jensen } 2321d7d1474fSKlaus Jensen 232288eea45cSKlaus Jensen static uint16_t nvme_dsm(NvmeCtrl *n, NvmeRequest *req) 232388eea45cSKlaus Jensen { 232488eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 232588eea45cSKlaus Jensen NvmeDsmCmd *dsm = (NvmeDsmCmd *) &req->cmd; 232688eea45cSKlaus Jensen uint32_t attr = le32_to_cpu(dsm->attributes); 232788eea45cSKlaus Jensen uint32_t nr = (le32_to_cpu(dsm->nr) & 0xff) + 1; 232888eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 232988eea45cSKlaus Jensen 2330d7d1474fSKlaus Jensen trace_pci_nvme_dsm(nr, attr); 233188eea45cSKlaus Jensen 233288eea45cSKlaus Jensen if (attr & NVME_DSMGMT_AD) { 2333d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = blk_aio_get(&nvme_dsm_aiocb_info, ns->blkconf.blk, 2334d7d1474fSKlaus Jensen nvme_misc_cb, req); 233588eea45cSKlaus Jensen 2336d7d1474fSKlaus Jensen iocb->req = req; 2337d7d1474fSKlaus Jensen iocb->bh = qemu_bh_new(nvme_dsm_bh, iocb); 2338d7d1474fSKlaus Jensen iocb->ret = 0; 2339d7d1474fSKlaus Jensen iocb->range = g_new(NvmeDsmRange, nr); 2340d7d1474fSKlaus Jensen iocb->nr = nr; 2341d7d1474fSKlaus Jensen iocb->idx = 0; 2342d7d1474fSKlaus Jensen 2343d7d1474fSKlaus Jensen status = nvme_h2c(n, (uint8_t *)iocb->range, sizeof(NvmeDsmRange) * nr, 2344d7d1474fSKlaus Jensen req); 234588eea45cSKlaus Jensen if (status) { 234688eea45cSKlaus Jensen return status; 234788eea45cSKlaus Jensen } 234888eea45cSKlaus Jensen 2349d7d1474fSKlaus Jensen req->aiocb = &iocb->common; 2350d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 235188eea45cSKlaus Jensen 2352d7d1474fSKlaus Jensen return NVME_NO_COMPLETE; 235388eea45cSKlaus Jensen } 235488eea45cSKlaus Jensen 235588eea45cSKlaus Jensen return status; 235688eea45cSKlaus Jensen } 235788eea45cSKlaus Jensen 235888eea45cSKlaus Jensen static uint16_t nvme_verify(NvmeCtrl *n, NvmeRequest *req) 235988eea45cSKlaus Jensen { 236088eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 236188eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 236288eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 236388eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 236488eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 236588eea45cSKlaus Jensen size_t len = nvme_l2b(ns, nlb); 236688eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 23672a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 236888eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 236988eea45cSKlaus Jensen NvmeBounceContext *ctx = NULL; 237088eea45cSKlaus Jensen uint16_t status; 237188eea45cSKlaus Jensen 237288eea45cSKlaus Jensen trace_pci_nvme_verify(nvme_cid(req), nvme_nsid(ns), slba, nlb); 237388eea45cSKlaus Jensen 237488eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 23752a132309SKlaus Jensen status = nvme_check_prinfo(ns, prinfo, slba, reftag); 237688eea45cSKlaus Jensen if (status) { 237788eea45cSKlaus Jensen return status; 237888eea45cSKlaus Jensen } 237988eea45cSKlaus Jensen 23802a132309SKlaus Jensen if (prinfo & NVME_PRINFO_PRACT) { 238188eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 238288eea45cSKlaus Jensen } 238388eea45cSKlaus Jensen } 238488eea45cSKlaus Jensen 238588eea45cSKlaus Jensen if (len > n->page_size << n->params.vsl) { 238688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 238788eea45cSKlaus Jensen } 238888eea45cSKlaus Jensen 238988eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 239088eea45cSKlaus Jensen if (status) { 239188eea45cSKlaus Jensen return status; 239288eea45cSKlaus Jensen } 239388eea45cSKlaus Jensen 239488eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 239588eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 239688eea45cSKlaus Jensen if (status) { 239788eea45cSKlaus Jensen return status; 239888eea45cSKlaus Jensen } 239988eea45cSKlaus Jensen } 240088eea45cSKlaus Jensen 240188eea45cSKlaus Jensen ctx = g_new0(NvmeBounceContext, 1); 240288eea45cSKlaus Jensen ctx->req = req; 240388eea45cSKlaus Jensen 240488eea45cSKlaus Jensen ctx->data.bounce = g_malloc(len); 240588eea45cSKlaus Jensen 240688eea45cSKlaus Jensen qemu_iovec_init(&ctx->data.iov, 1); 240788eea45cSKlaus Jensen qemu_iovec_add(&ctx->data.iov, ctx->data.bounce, len); 240888eea45cSKlaus Jensen 240988eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, ctx->data.iov.size, 241088eea45cSKlaus Jensen BLOCK_ACCT_READ); 241188eea45cSKlaus Jensen 241288eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(ns->blkconf.blk, offset, &ctx->data.iov, 0, 241388eea45cSKlaus Jensen nvme_verify_mdata_in_cb, ctx); 241488eea45cSKlaus Jensen return NVME_NO_COMPLETE; 241588eea45cSKlaus Jensen } 241688eea45cSKlaus Jensen 2417796d2068SKlaus Jensen typedef struct NvmeCopyAIOCB { 2418796d2068SKlaus Jensen BlockAIOCB common; 2419796d2068SKlaus Jensen BlockAIOCB *aiocb; 2420796d2068SKlaus Jensen NvmeRequest *req; 2421796d2068SKlaus Jensen QEMUBH *bh; 2422796d2068SKlaus Jensen int ret; 2423796d2068SKlaus Jensen 2424796d2068SKlaus Jensen NvmeCopySourceRange *ranges; 2425796d2068SKlaus Jensen int nr; 2426796d2068SKlaus Jensen int idx; 2427796d2068SKlaus Jensen 2428796d2068SKlaus Jensen uint8_t *bounce; 2429796d2068SKlaus Jensen QEMUIOVector iov; 2430796d2068SKlaus Jensen struct { 2431796d2068SKlaus Jensen BlockAcctCookie read; 2432796d2068SKlaus Jensen BlockAcctCookie write; 2433796d2068SKlaus Jensen } acct; 2434796d2068SKlaus Jensen 2435796d2068SKlaus Jensen uint32_t reftag; 2436796d2068SKlaus Jensen uint64_t slba; 2437796d2068SKlaus Jensen 2438796d2068SKlaus Jensen NvmeZone *zone; 2439796d2068SKlaus Jensen } NvmeCopyAIOCB; 2440796d2068SKlaus Jensen 2441796d2068SKlaus Jensen static void nvme_copy_cancel(BlockAIOCB *aiocb) 244288eea45cSKlaus Jensen { 2443796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = container_of(aiocb, NvmeCopyAIOCB, common); 2444796d2068SKlaus Jensen 2445796d2068SKlaus Jensen iocb->ret = -ECANCELED; 2446796d2068SKlaus Jensen 2447796d2068SKlaus Jensen if (iocb->aiocb) { 2448796d2068SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 2449796d2068SKlaus Jensen iocb->aiocb = NULL; 2450796d2068SKlaus Jensen } 2451796d2068SKlaus Jensen } 2452796d2068SKlaus Jensen 2453796d2068SKlaus Jensen static const AIOCBInfo nvme_copy_aiocb_info = { 2454796d2068SKlaus Jensen .aiocb_size = sizeof(NvmeCopyAIOCB), 2455796d2068SKlaus Jensen .cancel_async = nvme_copy_cancel, 2456796d2068SKlaus Jensen }; 2457796d2068SKlaus Jensen 2458796d2068SKlaus Jensen static void nvme_copy_bh(void *opaque) 2459796d2068SKlaus Jensen { 2460796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2461796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 246288eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 2463796d2068SKlaus Jensen BlockAcctStats *stats = blk_get_stats(ns->blkconf.blk); 2464796d2068SKlaus Jensen 2465796d2068SKlaus Jensen if (iocb->idx != iocb->nr) { 2466796d2068SKlaus Jensen req->cqe.result = cpu_to_le32(iocb->idx); 2467796d2068SKlaus Jensen } 2468796d2068SKlaus Jensen 2469796d2068SKlaus Jensen qemu_iovec_destroy(&iocb->iov); 2470796d2068SKlaus Jensen g_free(iocb->bounce); 2471796d2068SKlaus Jensen 2472796d2068SKlaus Jensen qemu_bh_delete(iocb->bh); 2473796d2068SKlaus Jensen iocb->bh = NULL; 2474796d2068SKlaus Jensen 2475796d2068SKlaus Jensen if (iocb->ret < 0) { 2476796d2068SKlaus Jensen block_acct_failed(stats, &iocb->acct.read); 2477796d2068SKlaus Jensen block_acct_failed(stats, &iocb->acct.write); 2478796d2068SKlaus Jensen } else { 2479796d2068SKlaus Jensen block_acct_done(stats, &iocb->acct.read); 2480796d2068SKlaus Jensen block_acct_done(stats, &iocb->acct.write); 2481796d2068SKlaus Jensen } 2482796d2068SKlaus Jensen 2483796d2068SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 2484796d2068SKlaus Jensen qemu_aio_unref(iocb); 2485796d2068SKlaus Jensen } 2486796d2068SKlaus Jensen 2487796d2068SKlaus Jensen static void nvme_copy_cb(void *opaque, int ret); 2488796d2068SKlaus Jensen 2489796d2068SKlaus Jensen static void nvme_copy_out_completed_cb(void *opaque, int ret) 2490796d2068SKlaus Jensen { 2491796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2492796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2493796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2494796d2068SKlaus Jensen NvmeCopySourceRange *range = &iocb->ranges[iocb->idx]; 2495796d2068SKlaus Jensen uint32_t nlb = le32_to_cpu(range->nlb) + 1; 2496796d2068SKlaus Jensen 2497796d2068SKlaus Jensen if (ret < 0) { 2498796d2068SKlaus Jensen iocb->ret = ret; 2499796d2068SKlaus Jensen goto out; 2500796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2501796d2068SKlaus Jensen goto out; 2502796d2068SKlaus Jensen } 2503796d2068SKlaus Jensen 2504796d2068SKlaus Jensen if (ns->params.zoned) { 2505796d2068SKlaus Jensen nvme_advance_zone_wp(ns, iocb->zone, nlb); 2506796d2068SKlaus Jensen } 2507796d2068SKlaus Jensen 2508796d2068SKlaus Jensen iocb->idx++; 2509796d2068SKlaus Jensen iocb->slba += nlb; 2510796d2068SKlaus Jensen out: 2511796d2068SKlaus Jensen nvme_copy_cb(iocb, iocb->ret); 2512796d2068SKlaus Jensen } 2513796d2068SKlaus Jensen 2514796d2068SKlaus Jensen static void nvme_copy_out_cb(void *opaque, int ret) 2515796d2068SKlaus Jensen { 2516796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2517796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2518796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2519796d2068SKlaus Jensen NvmeCopySourceRange *range; 2520796d2068SKlaus Jensen uint32_t nlb; 2521796d2068SKlaus Jensen size_t mlen; 2522796d2068SKlaus Jensen uint8_t *mbounce; 2523796d2068SKlaus Jensen 2524796d2068SKlaus Jensen if (ret < 0) { 2525796d2068SKlaus Jensen iocb->ret = ret; 2526796d2068SKlaus Jensen goto out; 2527796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2528796d2068SKlaus Jensen goto out; 2529796d2068SKlaus Jensen } 2530796d2068SKlaus Jensen 2531796d2068SKlaus Jensen if (!ns->lbaf.ms) { 2532796d2068SKlaus Jensen nvme_copy_out_completed_cb(iocb, 0); 2533796d2068SKlaus Jensen return; 2534796d2068SKlaus Jensen } 2535796d2068SKlaus Jensen 2536796d2068SKlaus Jensen range = &iocb->ranges[iocb->idx]; 2537796d2068SKlaus Jensen nlb = le32_to_cpu(range->nlb) + 1; 2538796d2068SKlaus Jensen 2539796d2068SKlaus Jensen mlen = nvme_m2b(ns, nlb); 2540796d2068SKlaus Jensen mbounce = iocb->bounce + nvme_l2b(ns, nlb); 2541796d2068SKlaus Jensen 2542796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2543796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, mbounce, mlen); 2544796d2068SKlaus Jensen 2545796d2068SKlaus Jensen iocb->aiocb = blk_aio_pwritev(ns->blkconf.blk, nvme_moff(ns, iocb->slba), 2546796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_out_completed_cb, 2547796d2068SKlaus Jensen iocb); 2548796d2068SKlaus Jensen 2549796d2068SKlaus Jensen return; 2550796d2068SKlaus Jensen 2551796d2068SKlaus Jensen out: 2552796d2068SKlaus Jensen nvme_copy_cb(iocb, ret); 2553796d2068SKlaus Jensen } 2554796d2068SKlaus Jensen 2555796d2068SKlaus Jensen static void nvme_copy_in_completed_cb(void *opaque, int ret) 2556796d2068SKlaus Jensen { 2557796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2558796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2559796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2560796d2068SKlaus Jensen NvmeCopySourceRange *range; 2561796d2068SKlaus Jensen uint32_t nlb; 2562796d2068SKlaus Jensen size_t len; 2563796d2068SKlaus Jensen uint16_t status; 2564796d2068SKlaus Jensen 2565796d2068SKlaus Jensen if (ret < 0) { 2566796d2068SKlaus Jensen iocb->ret = ret; 2567796d2068SKlaus Jensen goto out; 2568796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2569796d2068SKlaus Jensen goto out; 2570796d2068SKlaus Jensen } 2571796d2068SKlaus Jensen 2572796d2068SKlaus Jensen range = &iocb->ranges[iocb->idx]; 2573796d2068SKlaus Jensen nlb = le32_to_cpu(range->nlb) + 1; 2574796d2068SKlaus Jensen len = nvme_l2b(ns, nlb); 2575796d2068SKlaus Jensen 2576796d2068SKlaus Jensen trace_pci_nvme_copy_out(iocb->slba, nlb); 2577796d2068SKlaus Jensen 2578796d2068SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 257988eea45cSKlaus Jensen NvmeCopyCmd *copy = (NvmeCopyCmd *)&req->cmd; 258088eea45cSKlaus Jensen 2581796d2068SKlaus Jensen uint16_t prinfor = ((copy->control[0] >> 4) & 0xf); 2582796d2068SKlaus Jensen uint16_t prinfow = ((copy->control[2] >> 2) & 0xf); 258388eea45cSKlaus Jensen 2584796d2068SKlaus Jensen uint16_t apptag = le16_to_cpu(range->apptag); 2585796d2068SKlaus Jensen uint16_t appmask = le16_to_cpu(range->appmask); 2586796d2068SKlaus Jensen uint32_t reftag = le32_to_cpu(range->reftag); 2587796d2068SKlaus Jensen 2588796d2068SKlaus Jensen uint64_t slba = le64_to_cpu(range->slba); 2589796d2068SKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 2590796d2068SKlaus Jensen uint8_t *mbounce = iocb->bounce + nvme_l2b(ns, nlb); 2591796d2068SKlaus Jensen 2592796d2068SKlaus Jensen status = nvme_dif_check(ns, iocb->bounce, len, mbounce, mlen, prinfor, 2593796d2068SKlaus Jensen slba, apptag, appmask, &reftag); 2594796d2068SKlaus Jensen if (status) { 2595796d2068SKlaus Jensen goto invalid; 2596796d2068SKlaus Jensen } 2597796d2068SKlaus Jensen 2598796d2068SKlaus Jensen apptag = le16_to_cpu(copy->apptag); 2599796d2068SKlaus Jensen appmask = le16_to_cpu(copy->appmask); 2600796d2068SKlaus Jensen 2601796d2068SKlaus Jensen if (prinfow & NVME_PRINFO_PRACT) { 2602796d2068SKlaus Jensen status = nvme_check_prinfo(ns, prinfow, iocb->slba, iocb->reftag); 2603796d2068SKlaus Jensen if (status) { 2604796d2068SKlaus Jensen goto invalid; 2605796d2068SKlaus Jensen } 2606796d2068SKlaus Jensen 2607796d2068SKlaus Jensen nvme_dif_pract_generate_dif(ns, iocb->bounce, len, mbounce, mlen, 2608796d2068SKlaus Jensen apptag, &iocb->reftag); 2609796d2068SKlaus Jensen } else { 2610796d2068SKlaus Jensen status = nvme_dif_check(ns, iocb->bounce, len, mbounce, mlen, 2611796d2068SKlaus Jensen prinfow, iocb->slba, apptag, appmask, 2612796d2068SKlaus Jensen &iocb->reftag); 2613796d2068SKlaus Jensen if (status) { 2614796d2068SKlaus Jensen goto invalid; 2615796d2068SKlaus Jensen } 2616796d2068SKlaus Jensen } 2617796d2068SKlaus Jensen } 2618796d2068SKlaus Jensen 2619796d2068SKlaus Jensen status = nvme_check_bounds(ns, iocb->slba, nlb); 2620796d2068SKlaus Jensen if (status) { 2621796d2068SKlaus Jensen goto invalid; 2622796d2068SKlaus Jensen } 2623796d2068SKlaus Jensen 2624796d2068SKlaus Jensen if (ns->params.zoned) { 2625796d2068SKlaus Jensen status = nvme_check_zone_write(ns, iocb->zone, iocb->slba, nlb); 2626796d2068SKlaus Jensen if (status) { 2627796d2068SKlaus Jensen goto invalid; 2628796d2068SKlaus Jensen } 2629796d2068SKlaus Jensen 2630796d2068SKlaus Jensen iocb->zone->w_ptr += nlb; 2631796d2068SKlaus Jensen } 2632796d2068SKlaus Jensen 2633796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2634796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce, len); 2635796d2068SKlaus Jensen 2636796d2068SKlaus Jensen iocb->aiocb = blk_aio_pwritev(ns->blkconf.blk, nvme_l2b(ns, iocb->slba), 2637796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_out_cb, iocb); 2638796d2068SKlaus Jensen 2639796d2068SKlaus Jensen return; 2640796d2068SKlaus Jensen 2641796d2068SKlaus Jensen invalid: 2642796d2068SKlaus Jensen req->status = status; 2643796d2068SKlaus Jensen iocb->aiocb = NULL; 2644796d2068SKlaus Jensen if (iocb->bh) { 2645796d2068SKlaus Jensen qemu_bh_schedule(iocb->bh); 2646796d2068SKlaus Jensen } 2647796d2068SKlaus Jensen 2648796d2068SKlaus Jensen return; 2649796d2068SKlaus Jensen 2650796d2068SKlaus Jensen out: 2651796d2068SKlaus Jensen nvme_copy_cb(iocb, ret); 2652796d2068SKlaus Jensen } 2653796d2068SKlaus Jensen 2654796d2068SKlaus Jensen static void nvme_copy_in_cb(void *opaque, int ret) 2655796d2068SKlaus Jensen { 2656796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2657796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2658796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2659796d2068SKlaus Jensen NvmeCopySourceRange *range; 2660796d2068SKlaus Jensen uint64_t slba; 2661796d2068SKlaus Jensen uint32_t nlb; 2662796d2068SKlaus Jensen 2663796d2068SKlaus Jensen if (ret < 0) { 2664796d2068SKlaus Jensen iocb->ret = ret; 2665796d2068SKlaus Jensen goto out; 2666796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2667796d2068SKlaus Jensen goto out; 2668796d2068SKlaus Jensen } 2669796d2068SKlaus Jensen 2670796d2068SKlaus Jensen if (!ns->lbaf.ms) { 2671796d2068SKlaus Jensen nvme_copy_in_completed_cb(iocb, 0); 2672796d2068SKlaus Jensen return; 2673796d2068SKlaus Jensen } 2674796d2068SKlaus Jensen 2675796d2068SKlaus Jensen range = &iocb->ranges[iocb->idx]; 2676796d2068SKlaus Jensen slba = le64_to_cpu(range->slba); 2677796d2068SKlaus Jensen nlb = le32_to_cpu(range->nlb) + 1; 2678796d2068SKlaus Jensen 2679796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2680796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce + nvme_l2b(ns, nlb), 2681796d2068SKlaus Jensen nvme_m2b(ns, nlb)); 2682796d2068SKlaus Jensen 2683796d2068SKlaus Jensen iocb->aiocb = blk_aio_preadv(ns->blkconf.blk, nvme_moff(ns, slba), 2684796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_in_completed_cb, 2685796d2068SKlaus Jensen iocb); 2686796d2068SKlaus Jensen return; 2687796d2068SKlaus Jensen 2688796d2068SKlaus Jensen out: 2689796d2068SKlaus Jensen nvme_copy_cb(iocb, iocb->ret); 2690796d2068SKlaus Jensen } 2691796d2068SKlaus Jensen 2692796d2068SKlaus Jensen static void nvme_copy_cb(void *opaque, int ret) 2693796d2068SKlaus Jensen { 2694796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2695796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2696796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2697796d2068SKlaus Jensen NvmeCopySourceRange *range; 2698796d2068SKlaus Jensen uint64_t slba; 2699796d2068SKlaus Jensen uint32_t nlb; 2700796d2068SKlaus Jensen size_t len; 270188eea45cSKlaus Jensen uint16_t status; 270288eea45cSKlaus Jensen 2703796d2068SKlaus Jensen if (ret < 0) { 2704796d2068SKlaus Jensen iocb->ret = ret; 2705796d2068SKlaus Jensen goto done; 2706796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2707796d2068SKlaus Jensen goto done; 270888eea45cSKlaus Jensen } 270988eea45cSKlaus Jensen 2710796d2068SKlaus Jensen if (iocb->idx == iocb->nr) { 2711796d2068SKlaus Jensen goto done; 271288eea45cSKlaus Jensen } 271388eea45cSKlaus Jensen 2714796d2068SKlaus Jensen range = &iocb->ranges[iocb->idx]; 2715796d2068SKlaus Jensen slba = le64_to_cpu(range->slba); 2716796d2068SKlaus Jensen nlb = le32_to_cpu(range->nlb) + 1; 2717796d2068SKlaus Jensen len = nvme_l2b(ns, nlb); 271888eea45cSKlaus Jensen 2719796d2068SKlaus Jensen trace_pci_nvme_copy_source_range(slba, nlb); 272088eea45cSKlaus Jensen 2721796d2068SKlaus Jensen if (nlb > le16_to_cpu(ns->id_ns.mssrl)) { 272288eea45cSKlaus Jensen status = NVME_CMD_SIZE_LIMIT | NVME_DNR; 2723796d2068SKlaus Jensen goto invalid; 272488eea45cSKlaus Jensen } 272588eea45cSKlaus Jensen 2726796d2068SKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 272788eea45cSKlaus Jensen if (status) { 2728796d2068SKlaus Jensen goto invalid; 272988eea45cSKlaus Jensen } 273088eea45cSKlaus Jensen 273188eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 2732796d2068SKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 273388eea45cSKlaus Jensen if (status) { 2734796d2068SKlaus Jensen goto invalid; 273588eea45cSKlaus Jensen } 273688eea45cSKlaus Jensen } 273788eea45cSKlaus Jensen 273888eea45cSKlaus Jensen if (ns->params.zoned) { 2739796d2068SKlaus Jensen status = nvme_check_zone_read(ns, slba, nlb); 274088eea45cSKlaus Jensen if (status) { 2741796d2068SKlaus Jensen goto invalid; 274288eea45cSKlaus Jensen } 274388eea45cSKlaus Jensen } 274488eea45cSKlaus Jensen 2745796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2746796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce, len); 2747796d2068SKlaus Jensen 2748796d2068SKlaus Jensen iocb->aiocb = blk_aio_preadv(ns->blkconf.blk, nvme_l2b(ns, slba), 2749796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_in_cb, iocb); 2750796d2068SKlaus Jensen return; 2751796d2068SKlaus Jensen 2752796d2068SKlaus Jensen invalid: 2753796d2068SKlaus Jensen req->status = status; 2754796d2068SKlaus Jensen done: 2755796d2068SKlaus Jensen iocb->aiocb = NULL; 2756796d2068SKlaus Jensen if (iocb->bh) { 2757796d2068SKlaus Jensen qemu_bh_schedule(iocb->bh); 2758796d2068SKlaus Jensen } 275988eea45cSKlaus Jensen } 276088eea45cSKlaus Jensen 2761796d2068SKlaus Jensen 2762796d2068SKlaus Jensen static uint16_t nvme_copy(NvmeCtrl *n, NvmeRequest *req) 2763796d2068SKlaus Jensen { 2764796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2765796d2068SKlaus Jensen NvmeCopyCmd *copy = (NvmeCopyCmd *)&req->cmd; 2766796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = blk_aio_get(&nvme_copy_aiocb_info, ns->blkconf.blk, 2767796d2068SKlaus Jensen nvme_misc_cb, req); 2768796d2068SKlaus Jensen uint16_t nr = copy->nr + 1; 2769796d2068SKlaus Jensen uint8_t format = copy->control[0] & 0xf; 2770796d2068SKlaus Jensen uint16_t prinfor = ((copy->control[0] >> 4) & 0xf); 2771796d2068SKlaus Jensen uint16_t prinfow = ((copy->control[2] >> 2) & 0xf); 2772796d2068SKlaus Jensen 2773796d2068SKlaus Jensen uint16_t status; 2774796d2068SKlaus Jensen 2775796d2068SKlaus Jensen trace_pci_nvme_copy(nvme_cid(req), nvme_nsid(ns), nr, format); 2776796d2068SKlaus Jensen 2777796d2068SKlaus Jensen iocb->ranges = NULL; 2778796d2068SKlaus Jensen iocb->zone = NULL; 2779796d2068SKlaus Jensen 2780796d2068SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) && 2781796d2068SKlaus Jensen ((prinfor & NVME_PRINFO_PRACT) != (prinfow & NVME_PRINFO_PRACT))) { 2782796d2068SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 2783796d2068SKlaus Jensen goto invalid; 2784796d2068SKlaus Jensen } 2785796d2068SKlaus Jensen 2786796d2068SKlaus Jensen if (!(n->id_ctrl.ocfs & (1 << format))) { 2787796d2068SKlaus Jensen trace_pci_nvme_err_copy_invalid_format(format); 2788796d2068SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 2789796d2068SKlaus Jensen goto invalid; 2790796d2068SKlaus Jensen } 2791796d2068SKlaus Jensen 2792796d2068SKlaus Jensen if (nr > ns->id_ns.msrc + 1) { 279388eea45cSKlaus Jensen status = NVME_CMD_SIZE_LIMIT | NVME_DNR; 2794796d2068SKlaus Jensen goto invalid; 279588eea45cSKlaus Jensen } 279688eea45cSKlaus Jensen 2797796d2068SKlaus Jensen iocb->ranges = g_new(NvmeCopySourceRange, nr); 2798796d2068SKlaus Jensen 2799796d2068SKlaus Jensen status = nvme_h2c(n, (uint8_t *)iocb->ranges, 2800796d2068SKlaus Jensen sizeof(NvmeCopySourceRange) * nr, req); 2801796d2068SKlaus Jensen if (status) { 2802796d2068SKlaus Jensen goto invalid; 280388eea45cSKlaus Jensen } 280488eea45cSKlaus Jensen 2805796d2068SKlaus Jensen iocb->slba = le64_to_cpu(copy->sdlba); 2806796d2068SKlaus Jensen 2807796d2068SKlaus Jensen if (ns->params.zoned) { 2808796d2068SKlaus Jensen iocb->zone = nvme_get_zone_by_slba(ns, iocb->slba); 2809796d2068SKlaus Jensen if (!iocb->zone) { 2810796d2068SKlaus Jensen status = NVME_LBA_RANGE | NVME_DNR; 2811796d2068SKlaus Jensen goto invalid; 2812796d2068SKlaus Jensen } 2813796d2068SKlaus Jensen 2814796d2068SKlaus Jensen status = nvme_zrm_auto(n, ns, iocb->zone); 2815796d2068SKlaus Jensen if (status) { 2816796d2068SKlaus Jensen goto invalid; 2817796d2068SKlaus Jensen } 2818796d2068SKlaus Jensen } 2819796d2068SKlaus Jensen 2820796d2068SKlaus Jensen iocb->req = req; 2821796d2068SKlaus Jensen iocb->bh = qemu_bh_new(nvme_copy_bh, iocb); 2822796d2068SKlaus Jensen iocb->ret = 0; 2823796d2068SKlaus Jensen iocb->nr = nr; 2824796d2068SKlaus Jensen iocb->idx = 0; 2825796d2068SKlaus Jensen iocb->reftag = le32_to_cpu(copy->reftag); 2826796d2068SKlaus Jensen iocb->bounce = g_malloc_n(le16_to_cpu(ns->id_ns.mssrl), 2827796d2068SKlaus Jensen ns->lbasz + ns->lbaf.ms); 2828796d2068SKlaus Jensen 2829796d2068SKlaus Jensen qemu_iovec_init(&iocb->iov, 1); 2830796d2068SKlaus Jensen 2831796d2068SKlaus Jensen block_acct_start(blk_get_stats(ns->blkconf.blk), &iocb->acct.read, 0, 283288eea45cSKlaus Jensen BLOCK_ACCT_READ); 2833796d2068SKlaus Jensen block_acct_start(blk_get_stats(ns->blkconf.blk), &iocb->acct.write, 0, 2834796d2068SKlaus Jensen BLOCK_ACCT_WRITE); 283588eea45cSKlaus Jensen 2836796d2068SKlaus Jensen req->aiocb = &iocb->common; 2837796d2068SKlaus Jensen nvme_copy_cb(iocb, 0); 283888eea45cSKlaus Jensen 283988eea45cSKlaus Jensen return NVME_NO_COMPLETE; 284088eea45cSKlaus Jensen 2841796d2068SKlaus Jensen invalid: 2842796d2068SKlaus Jensen g_free(iocb->ranges); 2843796d2068SKlaus Jensen qemu_aio_unref(iocb); 284488eea45cSKlaus Jensen return status; 284588eea45cSKlaus Jensen } 284688eea45cSKlaus Jensen 284788eea45cSKlaus Jensen static uint16_t nvme_compare(NvmeCtrl *n, NvmeRequest *req) 284888eea45cSKlaus Jensen { 284988eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 285088eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 285188eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 285288eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 285388eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 28542a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 285588eea45cSKlaus Jensen size_t data_len = nvme_l2b(ns, nlb); 285688eea45cSKlaus Jensen size_t len = data_len; 285788eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 285888eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = NULL; 285988eea45cSKlaus Jensen uint16_t status; 286088eea45cSKlaus Jensen 286188eea45cSKlaus Jensen trace_pci_nvme_compare(nvme_cid(req), nvme_nsid(ns), slba, nlb); 286288eea45cSKlaus Jensen 28632a132309SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) && (prinfo & NVME_PRINFO_PRACT)) { 286488eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 286588eea45cSKlaus Jensen } 286688eea45cSKlaus Jensen 286788eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 286888eea45cSKlaus Jensen len += nvme_m2b(ns, nlb); 286988eea45cSKlaus Jensen } 287088eea45cSKlaus Jensen 287188eea45cSKlaus Jensen status = nvme_check_mdts(n, len); 287288eea45cSKlaus Jensen if (status) { 287388eea45cSKlaus Jensen return status; 287488eea45cSKlaus Jensen } 287588eea45cSKlaus Jensen 287688eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 287788eea45cSKlaus Jensen if (status) { 287888eea45cSKlaus Jensen return status; 287988eea45cSKlaus Jensen } 288088eea45cSKlaus Jensen 288188eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 288288eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 288388eea45cSKlaus Jensen if (status) { 288488eea45cSKlaus Jensen return status; 288588eea45cSKlaus Jensen } 288688eea45cSKlaus Jensen } 288788eea45cSKlaus Jensen 288888eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 288988eea45cSKlaus Jensen if (status) { 289088eea45cSKlaus Jensen return status; 289188eea45cSKlaus Jensen } 289288eea45cSKlaus Jensen 289388eea45cSKlaus Jensen ctx = g_new(struct nvme_compare_ctx, 1); 289488eea45cSKlaus Jensen ctx->data.bounce = g_malloc(data_len); 289588eea45cSKlaus Jensen 289688eea45cSKlaus Jensen req->opaque = ctx; 289788eea45cSKlaus Jensen 289888eea45cSKlaus Jensen qemu_iovec_init(&ctx->data.iov, 1); 289988eea45cSKlaus Jensen qemu_iovec_add(&ctx->data.iov, ctx->data.bounce, data_len); 290088eea45cSKlaus Jensen 290188eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_len, 290288eea45cSKlaus Jensen BLOCK_ACCT_READ); 290388eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->data.iov, 0, 290488eea45cSKlaus Jensen nvme_compare_data_cb, req); 290588eea45cSKlaus Jensen 290688eea45cSKlaus Jensen return NVME_NO_COMPLETE; 290788eea45cSKlaus Jensen } 290888eea45cSKlaus Jensen 290938f4ac65SKlaus Jensen typedef struct NvmeFlushAIOCB { 291038f4ac65SKlaus Jensen BlockAIOCB common; 291138f4ac65SKlaus Jensen BlockAIOCB *aiocb; 291238f4ac65SKlaus Jensen NvmeRequest *req; 291338f4ac65SKlaus Jensen QEMUBH *bh; 291438f4ac65SKlaus Jensen int ret; 291538f4ac65SKlaus Jensen 291638f4ac65SKlaus Jensen NvmeNamespace *ns; 291738f4ac65SKlaus Jensen uint32_t nsid; 291838f4ac65SKlaus Jensen bool broadcast; 291938f4ac65SKlaus Jensen } NvmeFlushAIOCB; 292038f4ac65SKlaus Jensen 292138f4ac65SKlaus Jensen static void nvme_flush_cancel(BlockAIOCB *acb) 292238f4ac65SKlaus Jensen { 292338f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = container_of(acb, NvmeFlushAIOCB, common); 292438f4ac65SKlaus Jensen 292538f4ac65SKlaus Jensen iocb->ret = -ECANCELED; 292638f4ac65SKlaus Jensen 292738f4ac65SKlaus Jensen if (iocb->aiocb) { 292838f4ac65SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 292938f4ac65SKlaus Jensen } 293038f4ac65SKlaus Jensen } 293138f4ac65SKlaus Jensen 293238f4ac65SKlaus Jensen static const AIOCBInfo nvme_flush_aiocb_info = { 293338f4ac65SKlaus Jensen .aiocb_size = sizeof(NvmeFlushAIOCB), 293438f4ac65SKlaus Jensen .cancel_async = nvme_flush_cancel, 293538f4ac65SKlaus Jensen .get_aio_context = nvme_get_aio_context, 293638f4ac65SKlaus Jensen }; 293738f4ac65SKlaus Jensen 293838f4ac65SKlaus Jensen static void nvme_flush_ns_cb(void *opaque, int ret) 293938f4ac65SKlaus Jensen { 294038f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = opaque; 294138f4ac65SKlaus Jensen NvmeNamespace *ns = iocb->ns; 294238f4ac65SKlaus Jensen 294338f4ac65SKlaus Jensen if (ret < 0) { 294438f4ac65SKlaus Jensen iocb->ret = ret; 294538f4ac65SKlaus Jensen goto out; 294638f4ac65SKlaus Jensen } else if (iocb->ret < 0) { 294738f4ac65SKlaus Jensen goto out; 294838f4ac65SKlaus Jensen } 294938f4ac65SKlaus Jensen 295038f4ac65SKlaus Jensen if (ns) { 295138f4ac65SKlaus Jensen trace_pci_nvme_flush_ns(iocb->nsid); 295238f4ac65SKlaus Jensen 295338f4ac65SKlaus Jensen iocb->ns = NULL; 295438f4ac65SKlaus Jensen iocb->aiocb = blk_aio_flush(ns->blkconf.blk, nvme_flush_ns_cb, iocb); 295538f4ac65SKlaus Jensen return; 295638f4ac65SKlaus Jensen } 295738f4ac65SKlaus Jensen 295838f4ac65SKlaus Jensen out: 295938f4ac65SKlaus Jensen iocb->aiocb = NULL; 296038f4ac65SKlaus Jensen qemu_bh_schedule(iocb->bh); 296138f4ac65SKlaus Jensen } 296238f4ac65SKlaus Jensen 296338f4ac65SKlaus Jensen static void nvme_flush_bh(void *opaque) 296438f4ac65SKlaus Jensen { 296538f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = opaque; 296638f4ac65SKlaus Jensen NvmeRequest *req = iocb->req; 296738f4ac65SKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 296838f4ac65SKlaus Jensen int i; 296938f4ac65SKlaus Jensen 297038f4ac65SKlaus Jensen if (iocb->ret < 0) { 297138f4ac65SKlaus Jensen goto done; 297238f4ac65SKlaus Jensen } 297338f4ac65SKlaus Jensen 297438f4ac65SKlaus Jensen if (iocb->broadcast) { 297538f4ac65SKlaus Jensen for (i = iocb->nsid + 1; i <= NVME_MAX_NAMESPACES; i++) { 297638f4ac65SKlaus Jensen iocb->ns = nvme_ns(n, i); 297738f4ac65SKlaus Jensen if (iocb->ns) { 297838f4ac65SKlaus Jensen iocb->nsid = i; 297938f4ac65SKlaus Jensen break; 298038f4ac65SKlaus Jensen } 298138f4ac65SKlaus Jensen } 298238f4ac65SKlaus Jensen } 298338f4ac65SKlaus Jensen 298438f4ac65SKlaus Jensen if (!iocb->ns) { 298538f4ac65SKlaus Jensen goto done; 298638f4ac65SKlaus Jensen } 298738f4ac65SKlaus Jensen 298838f4ac65SKlaus Jensen nvme_flush_ns_cb(iocb, 0); 298938f4ac65SKlaus Jensen return; 299038f4ac65SKlaus Jensen 299138f4ac65SKlaus Jensen done: 299238f4ac65SKlaus Jensen qemu_bh_delete(iocb->bh); 299338f4ac65SKlaus Jensen iocb->bh = NULL; 299438f4ac65SKlaus Jensen 299538f4ac65SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 299638f4ac65SKlaus Jensen 299738f4ac65SKlaus Jensen qemu_aio_unref(iocb); 299838f4ac65SKlaus Jensen 299938f4ac65SKlaus Jensen return; 300038f4ac65SKlaus Jensen } 300138f4ac65SKlaus Jensen 300288eea45cSKlaus Jensen static uint16_t nvme_flush(NvmeCtrl *n, NvmeRequest *req) 300388eea45cSKlaus Jensen { 300438f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb; 300588eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 300688eea45cSKlaus Jensen uint16_t status; 300788eea45cSKlaus Jensen 300838f4ac65SKlaus Jensen iocb = qemu_aio_get(&nvme_flush_aiocb_info, NULL, nvme_misc_cb, req); 300988eea45cSKlaus Jensen 301038f4ac65SKlaus Jensen iocb->req = req; 301138f4ac65SKlaus Jensen iocb->bh = qemu_bh_new(nvme_flush_bh, iocb); 301238f4ac65SKlaus Jensen iocb->ret = 0; 301338f4ac65SKlaus Jensen iocb->ns = NULL; 301438f4ac65SKlaus Jensen iocb->nsid = 0; 301538f4ac65SKlaus Jensen iocb->broadcast = (nsid == NVME_NSID_BROADCAST); 301638f4ac65SKlaus Jensen 301738f4ac65SKlaus Jensen if (!iocb->broadcast) { 301838f4ac65SKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 301938f4ac65SKlaus Jensen status = NVME_INVALID_NSID | NVME_DNR; 302038f4ac65SKlaus Jensen goto out; 302188eea45cSKlaus Jensen } 302288eea45cSKlaus Jensen 302338f4ac65SKlaus Jensen iocb->ns = nvme_ns(n, nsid); 302438f4ac65SKlaus Jensen if (!iocb->ns) { 302538f4ac65SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 302638f4ac65SKlaus Jensen goto out; 302738f4ac65SKlaus Jensen } 302838f4ac65SKlaus Jensen 302938f4ac65SKlaus Jensen iocb->nsid = nsid; 303038f4ac65SKlaus Jensen } 303138f4ac65SKlaus Jensen 303238f4ac65SKlaus Jensen req->aiocb = &iocb->common; 303338f4ac65SKlaus Jensen qemu_bh_schedule(iocb->bh); 303438f4ac65SKlaus Jensen 303588eea45cSKlaus Jensen return NVME_NO_COMPLETE; 303688eea45cSKlaus Jensen 303738f4ac65SKlaus Jensen out: 303838f4ac65SKlaus Jensen qemu_bh_delete(iocb->bh); 303938f4ac65SKlaus Jensen iocb->bh = NULL; 304038f4ac65SKlaus Jensen qemu_aio_unref(iocb); 304188eea45cSKlaus Jensen 304288eea45cSKlaus Jensen return status; 304388eea45cSKlaus Jensen } 304488eea45cSKlaus Jensen 304588eea45cSKlaus Jensen static uint16_t nvme_read(NvmeCtrl *n, NvmeRequest *req) 304688eea45cSKlaus Jensen { 304788eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 304888eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 304988eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 305088eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 30512a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 305288eea45cSKlaus Jensen uint64_t data_size = nvme_l2b(ns, nlb); 305388eea45cSKlaus Jensen uint64_t mapped_size = data_size; 305488eea45cSKlaus Jensen uint64_t data_offset; 305588eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 305688eea45cSKlaus Jensen uint16_t status; 305788eea45cSKlaus Jensen 305888eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 305988eea45cSKlaus Jensen mapped_size += nvme_m2b(ns, nlb); 306088eea45cSKlaus Jensen 306188eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 30622a132309SKlaus Jensen bool pract = prinfo & NVME_PRINFO_PRACT; 306388eea45cSKlaus Jensen 306488eea45cSKlaus Jensen if (pract && ns->lbaf.ms == 8) { 306588eea45cSKlaus Jensen mapped_size = data_size; 306688eea45cSKlaus Jensen } 306788eea45cSKlaus Jensen } 306888eea45cSKlaus Jensen } 306988eea45cSKlaus Jensen 307088eea45cSKlaus Jensen trace_pci_nvme_read(nvme_cid(req), nvme_nsid(ns), nlb, mapped_size, slba); 307188eea45cSKlaus Jensen 307288eea45cSKlaus Jensen status = nvme_check_mdts(n, mapped_size); 307388eea45cSKlaus Jensen if (status) { 307488eea45cSKlaus Jensen goto invalid; 307588eea45cSKlaus Jensen } 307688eea45cSKlaus Jensen 307788eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 307888eea45cSKlaus Jensen if (status) { 307988eea45cSKlaus Jensen goto invalid; 308088eea45cSKlaus Jensen } 308188eea45cSKlaus Jensen 308288eea45cSKlaus Jensen if (ns->params.zoned) { 308388eea45cSKlaus Jensen status = nvme_check_zone_read(ns, slba, nlb); 308488eea45cSKlaus Jensen if (status) { 308588eea45cSKlaus Jensen trace_pci_nvme_err_zone_read_not_ok(slba, nlb, status); 308688eea45cSKlaus Jensen goto invalid; 308788eea45cSKlaus Jensen } 308888eea45cSKlaus Jensen } 308988eea45cSKlaus Jensen 309088eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 309188eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 309288eea45cSKlaus Jensen if (status) { 309388eea45cSKlaus Jensen goto invalid; 309488eea45cSKlaus Jensen } 309588eea45cSKlaus Jensen } 309688eea45cSKlaus Jensen 309788eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 309888eea45cSKlaus Jensen return nvme_dif_rw(n, req); 309988eea45cSKlaus Jensen } 310088eea45cSKlaus Jensen 310188eea45cSKlaus Jensen status = nvme_map_data(n, nlb, req); 310288eea45cSKlaus Jensen if (status) { 310388eea45cSKlaus Jensen goto invalid; 310488eea45cSKlaus Jensen } 310588eea45cSKlaus Jensen 310688eea45cSKlaus Jensen data_offset = nvme_l2b(ns, slba); 310788eea45cSKlaus Jensen 310888eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_size, 310988eea45cSKlaus Jensen BLOCK_ACCT_READ); 311088eea45cSKlaus Jensen nvme_blk_read(blk, data_offset, nvme_rw_cb, req); 311188eea45cSKlaus Jensen return NVME_NO_COMPLETE; 311288eea45cSKlaus Jensen 311388eea45cSKlaus Jensen invalid: 311488eea45cSKlaus Jensen block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_READ); 311588eea45cSKlaus Jensen return status | NVME_DNR; 311688eea45cSKlaus Jensen } 311788eea45cSKlaus Jensen 311888eea45cSKlaus Jensen static uint16_t nvme_do_write(NvmeCtrl *n, NvmeRequest *req, bool append, 311988eea45cSKlaus Jensen bool wrz) 312088eea45cSKlaus Jensen { 312188eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 312288eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 312388eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 312488eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 312588eea45cSKlaus Jensen uint16_t ctrl = le16_to_cpu(rw->control); 31262a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(ctrl); 312788eea45cSKlaus Jensen uint64_t data_size = nvme_l2b(ns, nlb); 312888eea45cSKlaus Jensen uint64_t mapped_size = data_size; 312988eea45cSKlaus Jensen uint64_t data_offset; 313088eea45cSKlaus Jensen NvmeZone *zone; 313188eea45cSKlaus Jensen NvmeZonedResult *res = (NvmeZonedResult *)&req->cqe; 313288eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 313388eea45cSKlaus Jensen uint16_t status; 313488eea45cSKlaus Jensen 313588eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 313688eea45cSKlaus Jensen mapped_size += nvme_m2b(ns, nlb); 313788eea45cSKlaus Jensen 313888eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 31392a132309SKlaus Jensen bool pract = prinfo & NVME_PRINFO_PRACT; 314088eea45cSKlaus Jensen 314188eea45cSKlaus Jensen if (pract && ns->lbaf.ms == 8) { 314288eea45cSKlaus Jensen mapped_size -= nvme_m2b(ns, nlb); 314388eea45cSKlaus Jensen } 314488eea45cSKlaus Jensen } 314588eea45cSKlaus Jensen } 314688eea45cSKlaus Jensen 314788eea45cSKlaus Jensen trace_pci_nvme_write(nvme_cid(req), nvme_io_opc_str(rw->opcode), 314888eea45cSKlaus Jensen nvme_nsid(ns), nlb, mapped_size, slba); 314988eea45cSKlaus Jensen 315088eea45cSKlaus Jensen if (!wrz) { 315188eea45cSKlaus Jensen status = nvme_check_mdts(n, mapped_size); 315288eea45cSKlaus Jensen if (status) { 315388eea45cSKlaus Jensen goto invalid; 315488eea45cSKlaus Jensen } 315588eea45cSKlaus Jensen } 315688eea45cSKlaus Jensen 315788eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 315888eea45cSKlaus Jensen if (status) { 315988eea45cSKlaus Jensen goto invalid; 316088eea45cSKlaus Jensen } 316188eea45cSKlaus Jensen 316288eea45cSKlaus Jensen if (ns->params.zoned) { 316388eea45cSKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 3164189a8bf7SKlaus Jensen assert(zone); 316588eea45cSKlaus Jensen 316688eea45cSKlaus Jensen if (append) { 316788eea45cSKlaus Jensen bool piremap = !!(ctrl & NVME_RW_PIREMAP); 316888eea45cSKlaus Jensen 316988eea45cSKlaus Jensen if (unlikely(slba != zone->d.zslba)) { 317088eea45cSKlaus Jensen trace_pci_nvme_err_append_not_at_start(slba, zone->d.zslba); 317188eea45cSKlaus Jensen status = NVME_INVALID_FIELD; 317288eea45cSKlaus Jensen goto invalid; 317388eea45cSKlaus Jensen } 317488eea45cSKlaus Jensen 317588eea45cSKlaus Jensen if (n->params.zasl && 317688eea45cSKlaus Jensen data_size > (uint64_t)n->page_size << n->params.zasl) { 317788eea45cSKlaus Jensen trace_pci_nvme_err_zasl(data_size); 317888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 317988eea45cSKlaus Jensen } 318088eea45cSKlaus Jensen 318188eea45cSKlaus Jensen slba = zone->w_ptr; 318288eea45cSKlaus Jensen rw->slba = cpu_to_le64(slba); 318388eea45cSKlaus Jensen res->slba = cpu_to_le64(slba); 318488eea45cSKlaus Jensen 318588eea45cSKlaus Jensen switch (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 318688eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_1: 318788eea45cSKlaus Jensen if (!piremap) { 318888eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 318988eea45cSKlaus Jensen } 319088eea45cSKlaus Jensen 319188eea45cSKlaus Jensen /* fallthrough */ 319288eea45cSKlaus Jensen 319388eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_2: 319488eea45cSKlaus Jensen if (piremap) { 319588eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 319688eea45cSKlaus Jensen rw->reftag = cpu_to_le32(reftag + (slba - zone->d.zslba)); 319788eea45cSKlaus Jensen } 319888eea45cSKlaus Jensen 319988eea45cSKlaus Jensen break; 320088eea45cSKlaus Jensen 320188eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_3: 320288eea45cSKlaus Jensen if (piremap) { 320388eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 320488eea45cSKlaus Jensen } 320588eea45cSKlaus Jensen 320688eea45cSKlaus Jensen break; 320788eea45cSKlaus Jensen } 320888eea45cSKlaus Jensen } 320988eea45cSKlaus Jensen 321088eea45cSKlaus Jensen status = nvme_check_zone_write(ns, zone, slba, nlb); 321188eea45cSKlaus Jensen if (status) { 321288eea45cSKlaus Jensen goto invalid; 321388eea45cSKlaus Jensen } 321488eea45cSKlaus Jensen 3215cccc2651SNiklas Cassel status = nvme_zrm_auto(n, ns, zone); 321688eea45cSKlaus Jensen if (status) { 321788eea45cSKlaus Jensen goto invalid; 321888eea45cSKlaus Jensen } 321988eea45cSKlaus Jensen 322088eea45cSKlaus Jensen zone->w_ptr += nlb; 322188eea45cSKlaus Jensen } 322288eea45cSKlaus Jensen 322388eea45cSKlaus Jensen data_offset = nvme_l2b(ns, slba); 322488eea45cSKlaus Jensen 322588eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 322688eea45cSKlaus Jensen return nvme_dif_rw(n, req); 322788eea45cSKlaus Jensen } 322888eea45cSKlaus Jensen 322988eea45cSKlaus Jensen if (!wrz) { 323088eea45cSKlaus Jensen status = nvme_map_data(n, nlb, req); 323188eea45cSKlaus Jensen if (status) { 323288eea45cSKlaus Jensen goto invalid; 323388eea45cSKlaus Jensen } 323488eea45cSKlaus Jensen 323588eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_size, 323688eea45cSKlaus Jensen BLOCK_ACCT_WRITE); 323788eea45cSKlaus Jensen nvme_blk_write(blk, data_offset, nvme_rw_cb, req); 323888eea45cSKlaus Jensen } else { 323988eea45cSKlaus Jensen req->aiocb = blk_aio_pwrite_zeroes(blk, data_offset, data_size, 324088eea45cSKlaus Jensen BDRV_REQ_MAY_UNMAP, nvme_rw_cb, 324188eea45cSKlaus Jensen req); 324288eea45cSKlaus Jensen } 324388eea45cSKlaus Jensen 324488eea45cSKlaus Jensen return NVME_NO_COMPLETE; 324588eea45cSKlaus Jensen 324688eea45cSKlaus Jensen invalid: 324788eea45cSKlaus Jensen block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_WRITE); 324888eea45cSKlaus Jensen return status | NVME_DNR; 324988eea45cSKlaus Jensen } 325088eea45cSKlaus Jensen 325188eea45cSKlaus Jensen static inline uint16_t nvme_write(NvmeCtrl *n, NvmeRequest *req) 325288eea45cSKlaus Jensen { 325388eea45cSKlaus Jensen return nvme_do_write(n, req, false, false); 325488eea45cSKlaus Jensen } 325588eea45cSKlaus Jensen 325688eea45cSKlaus Jensen static inline uint16_t nvme_write_zeroes(NvmeCtrl *n, NvmeRequest *req) 325788eea45cSKlaus Jensen { 325888eea45cSKlaus Jensen return nvme_do_write(n, req, false, true); 325988eea45cSKlaus Jensen } 326088eea45cSKlaus Jensen 326188eea45cSKlaus Jensen static inline uint16_t nvme_zone_append(NvmeCtrl *n, NvmeRequest *req) 326288eea45cSKlaus Jensen { 326388eea45cSKlaus Jensen return nvme_do_write(n, req, true, false); 326488eea45cSKlaus Jensen } 326588eea45cSKlaus Jensen 326688eea45cSKlaus Jensen static uint16_t nvme_get_mgmt_zone_slba_idx(NvmeNamespace *ns, NvmeCmd *c, 326788eea45cSKlaus Jensen uint64_t *slba, uint32_t *zone_idx) 326888eea45cSKlaus Jensen { 326988eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(c->cdw10); 327088eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(c->cdw11); 327188eea45cSKlaus Jensen 327288eea45cSKlaus Jensen if (!ns->params.zoned) { 327388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_opc(c->opcode); 327488eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 327588eea45cSKlaus Jensen } 327688eea45cSKlaus Jensen 327788eea45cSKlaus Jensen *slba = ((uint64_t)dw11) << 32 | dw10; 327888eea45cSKlaus Jensen if (unlikely(*slba >= ns->id_ns.nsze)) { 327988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(*slba, 0, ns->id_ns.nsze); 328088eea45cSKlaus Jensen *slba = 0; 328188eea45cSKlaus Jensen return NVME_LBA_RANGE | NVME_DNR; 328288eea45cSKlaus Jensen } 328388eea45cSKlaus Jensen 328488eea45cSKlaus Jensen *zone_idx = nvme_zone_idx(ns, *slba); 328588eea45cSKlaus Jensen assert(*zone_idx < ns->num_zones); 328688eea45cSKlaus Jensen 328788eea45cSKlaus Jensen return NVME_SUCCESS; 328888eea45cSKlaus Jensen } 328988eea45cSKlaus Jensen 329088eea45cSKlaus Jensen typedef uint16_t (*op_handler_t)(NvmeNamespace *, NvmeZone *, NvmeZoneState, 329188eea45cSKlaus Jensen NvmeRequest *); 329288eea45cSKlaus Jensen 329388eea45cSKlaus Jensen enum NvmeZoneProcessingMask { 329488eea45cSKlaus Jensen NVME_PROC_CURRENT_ZONE = 0, 329588eea45cSKlaus Jensen NVME_PROC_OPENED_ZONES = 1 << 0, 329688eea45cSKlaus Jensen NVME_PROC_CLOSED_ZONES = 1 << 1, 329788eea45cSKlaus Jensen NVME_PROC_READ_ONLY_ZONES = 1 << 2, 329888eea45cSKlaus Jensen NVME_PROC_FULL_ZONES = 1 << 3, 329988eea45cSKlaus Jensen }; 330088eea45cSKlaus Jensen 330188eea45cSKlaus Jensen static uint16_t nvme_open_zone(NvmeNamespace *ns, NvmeZone *zone, 330288eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 330388eea45cSKlaus Jensen { 3304cccc2651SNiklas Cassel return nvme_zrm_open(nvme_ctrl(req), ns, zone); 330588eea45cSKlaus Jensen } 330688eea45cSKlaus Jensen 330788eea45cSKlaus Jensen static uint16_t nvme_close_zone(NvmeNamespace *ns, NvmeZone *zone, 330888eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 330988eea45cSKlaus Jensen { 331088eea45cSKlaus Jensen return nvme_zrm_close(ns, zone); 331188eea45cSKlaus Jensen } 331288eea45cSKlaus Jensen 331388eea45cSKlaus Jensen static uint16_t nvme_finish_zone(NvmeNamespace *ns, NvmeZone *zone, 331488eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 331588eea45cSKlaus Jensen { 331688eea45cSKlaus Jensen return nvme_zrm_finish(ns, zone); 331788eea45cSKlaus Jensen } 331888eea45cSKlaus Jensen 331988eea45cSKlaus Jensen static uint16_t nvme_offline_zone(NvmeNamespace *ns, NvmeZone *zone, 332088eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 332188eea45cSKlaus Jensen { 332288eea45cSKlaus Jensen switch (state) { 332388eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 332488eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_OFFLINE); 332588eea45cSKlaus Jensen /* fall through */ 332688eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 332788eea45cSKlaus Jensen return NVME_SUCCESS; 332888eea45cSKlaus Jensen default: 332988eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 333088eea45cSKlaus Jensen } 333188eea45cSKlaus Jensen } 333288eea45cSKlaus Jensen 333388eea45cSKlaus Jensen static uint16_t nvme_set_zd_ext(NvmeNamespace *ns, NvmeZone *zone) 333488eea45cSKlaus Jensen { 333588eea45cSKlaus Jensen uint16_t status; 333688eea45cSKlaus Jensen uint8_t state = nvme_get_zone_state(zone); 333788eea45cSKlaus Jensen 333888eea45cSKlaus Jensen if (state == NVME_ZONE_STATE_EMPTY) { 333988eea45cSKlaus Jensen status = nvme_aor_check(ns, 1, 0); 334088eea45cSKlaus Jensen if (status) { 334188eea45cSKlaus Jensen return status; 334288eea45cSKlaus Jensen } 334388eea45cSKlaus Jensen nvme_aor_inc_active(ns); 334488eea45cSKlaus Jensen zone->d.za |= NVME_ZA_ZD_EXT_VALID; 334588eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_CLOSED); 334688eea45cSKlaus Jensen return NVME_SUCCESS; 334788eea45cSKlaus Jensen } 334888eea45cSKlaus Jensen 334988eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 335088eea45cSKlaus Jensen } 335188eea45cSKlaus Jensen 335288eea45cSKlaus Jensen static uint16_t nvme_bulk_proc_zone(NvmeNamespace *ns, NvmeZone *zone, 335388eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask, 335488eea45cSKlaus Jensen op_handler_t op_hndlr, NvmeRequest *req) 335588eea45cSKlaus Jensen { 335688eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 335788eea45cSKlaus Jensen NvmeZoneState zs = nvme_get_zone_state(zone); 335888eea45cSKlaus Jensen bool proc_zone; 335988eea45cSKlaus Jensen 336088eea45cSKlaus Jensen switch (zs) { 336188eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 336288eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 336388eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_OPENED_ZONES; 336488eea45cSKlaus Jensen break; 336588eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 336688eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_CLOSED_ZONES; 336788eea45cSKlaus Jensen break; 336888eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 336988eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_READ_ONLY_ZONES; 337088eea45cSKlaus Jensen break; 337188eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 337288eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_FULL_ZONES; 337388eea45cSKlaus Jensen break; 337488eea45cSKlaus Jensen default: 337588eea45cSKlaus Jensen proc_zone = false; 337688eea45cSKlaus Jensen } 337788eea45cSKlaus Jensen 337888eea45cSKlaus Jensen if (proc_zone) { 337988eea45cSKlaus Jensen status = op_hndlr(ns, zone, zs, req); 338088eea45cSKlaus Jensen } 338188eea45cSKlaus Jensen 338288eea45cSKlaus Jensen return status; 338388eea45cSKlaus Jensen } 338488eea45cSKlaus Jensen 338588eea45cSKlaus Jensen static uint16_t nvme_do_zone_op(NvmeNamespace *ns, NvmeZone *zone, 338688eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask, 338788eea45cSKlaus Jensen op_handler_t op_hndlr, NvmeRequest *req) 338888eea45cSKlaus Jensen { 338988eea45cSKlaus Jensen NvmeZone *next; 339088eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 339188eea45cSKlaus Jensen int i; 339288eea45cSKlaus Jensen 339388eea45cSKlaus Jensen if (!proc_mask) { 339488eea45cSKlaus Jensen status = op_hndlr(ns, zone, nvme_get_zone_state(zone), req); 339588eea45cSKlaus Jensen } else { 339688eea45cSKlaus Jensen if (proc_mask & NVME_PROC_CLOSED_ZONES) { 339788eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->closed_zones, entry, next) { 339888eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 339988eea45cSKlaus Jensen req); 340088eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 340188eea45cSKlaus Jensen goto out; 340288eea45cSKlaus Jensen } 340388eea45cSKlaus Jensen } 340488eea45cSKlaus Jensen } 340588eea45cSKlaus Jensen if (proc_mask & NVME_PROC_OPENED_ZONES) { 340688eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->imp_open_zones, entry, next) { 340788eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 340888eea45cSKlaus Jensen req); 340988eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 341088eea45cSKlaus Jensen goto out; 341188eea45cSKlaus Jensen } 341288eea45cSKlaus Jensen } 341388eea45cSKlaus Jensen 341488eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->exp_open_zones, entry, next) { 341588eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 341688eea45cSKlaus Jensen req); 341788eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 341888eea45cSKlaus Jensen goto out; 341988eea45cSKlaus Jensen } 342088eea45cSKlaus Jensen } 342188eea45cSKlaus Jensen } 342288eea45cSKlaus Jensen if (proc_mask & NVME_PROC_FULL_ZONES) { 342388eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->full_zones, entry, next) { 342488eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 342588eea45cSKlaus Jensen req); 342688eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 342788eea45cSKlaus Jensen goto out; 342888eea45cSKlaus Jensen } 342988eea45cSKlaus Jensen } 343088eea45cSKlaus Jensen } 343188eea45cSKlaus Jensen 343288eea45cSKlaus Jensen if (proc_mask & NVME_PROC_READ_ONLY_ZONES) { 343388eea45cSKlaus Jensen for (i = 0; i < ns->num_zones; i++, zone++) { 343488eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 343588eea45cSKlaus Jensen req); 343688eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 343788eea45cSKlaus Jensen goto out; 343888eea45cSKlaus Jensen } 343988eea45cSKlaus Jensen } 344088eea45cSKlaus Jensen } 344188eea45cSKlaus Jensen } 344288eea45cSKlaus Jensen 344388eea45cSKlaus Jensen out: 344488eea45cSKlaus Jensen return status; 344588eea45cSKlaus Jensen } 344688eea45cSKlaus Jensen 344763d96e4fSKlaus Jensen typedef struct NvmeZoneResetAIOCB { 344863d96e4fSKlaus Jensen BlockAIOCB common; 344963d96e4fSKlaus Jensen BlockAIOCB *aiocb; 345063d96e4fSKlaus Jensen NvmeRequest *req; 345163d96e4fSKlaus Jensen QEMUBH *bh; 345263d96e4fSKlaus Jensen int ret; 345363d96e4fSKlaus Jensen 345463d96e4fSKlaus Jensen bool all; 345563d96e4fSKlaus Jensen int idx; 345663d96e4fSKlaus Jensen NvmeZone *zone; 345763d96e4fSKlaus Jensen } NvmeZoneResetAIOCB; 345863d96e4fSKlaus Jensen 345963d96e4fSKlaus Jensen static void nvme_zone_reset_cancel(BlockAIOCB *aiocb) 346063d96e4fSKlaus Jensen { 346163d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = container_of(aiocb, NvmeZoneResetAIOCB, common); 346263d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 346363d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 346463d96e4fSKlaus Jensen 346563d96e4fSKlaus Jensen iocb->idx = ns->num_zones; 346663d96e4fSKlaus Jensen 346763d96e4fSKlaus Jensen iocb->ret = -ECANCELED; 346863d96e4fSKlaus Jensen 346963d96e4fSKlaus Jensen if (iocb->aiocb) { 347063d96e4fSKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 347163d96e4fSKlaus Jensen iocb->aiocb = NULL; 347263d96e4fSKlaus Jensen } 347363d96e4fSKlaus Jensen } 347463d96e4fSKlaus Jensen 347563d96e4fSKlaus Jensen static const AIOCBInfo nvme_zone_reset_aiocb_info = { 347663d96e4fSKlaus Jensen .aiocb_size = sizeof(NvmeZoneResetAIOCB), 347763d96e4fSKlaus Jensen .cancel_async = nvme_zone_reset_cancel, 347863d96e4fSKlaus Jensen }; 347963d96e4fSKlaus Jensen 348063d96e4fSKlaus Jensen static void nvme_zone_reset_bh(void *opaque) 348163d96e4fSKlaus Jensen { 348263d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 348363d96e4fSKlaus Jensen 348463d96e4fSKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 348563d96e4fSKlaus Jensen 348663d96e4fSKlaus Jensen qemu_bh_delete(iocb->bh); 348763d96e4fSKlaus Jensen iocb->bh = NULL; 348863d96e4fSKlaus Jensen qemu_aio_unref(iocb); 348963d96e4fSKlaus Jensen } 349063d96e4fSKlaus Jensen 349163d96e4fSKlaus Jensen static void nvme_zone_reset_cb(void *opaque, int ret); 349263d96e4fSKlaus Jensen 349363d96e4fSKlaus Jensen static void nvme_zone_reset_epilogue_cb(void *opaque, int ret) 349463d96e4fSKlaus Jensen { 349563d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 349663d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 349763d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 349863d96e4fSKlaus Jensen int64_t moff; 349963d96e4fSKlaus Jensen int count; 350063d96e4fSKlaus Jensen 350163d96e4fSKlaus Jensen if (ret < 0) { 350263d96e4fSKlaus Jensen nvme_zone_reset_cb(iocb, ret); 350363d96e4fSKlaus Jensen return; 350463d96e4fSKlaus Jensen } 350563d96e4fSKlaus Jensen 350663d96e4fSKlaus Jensen if (!ns->lbaf.ms) { 350763d96e4fSKlaus Jensen nvme_zone_reset_cb(iocb, 0); 350863d96e4fSKlaus Jensen return; 350963d96e4fSKlaus Jensen } 351063d96e4fSKlaus Jensen 351163d96e4fSKlaus Jensen moff = nvme_moff(ns, iocb->zone->d.zslba); 351263d96e4fSKlaus Jensen count = nvme_m2b(ns, ns->zone_size); 351363d96e4fSKlaus Jensen 351463d96e4fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, moff, count, 351563d96e4fSKlaus Jensen BDRV_REQ_MAY_UNMAP, 351663d96e4fSKlaus Jensen nvme_zone_reset_cb, iocb); 351763d96e4fSKlaus Jensen return; 351863d96e4fSKlaus Jensen } 351963d96e4fSKlaus Jensen 352063d96e4fSKlaus Jensen static void nvme_zone_reset_cb(void *opaque, int ret) 352163d96e4fSKlaus Jensen { 352263d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 352363d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 352463d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 352563d96e4fSKlaus Jensen 352663d96e4fSKlaus Jensen if (ret < 0) { 352763d96e4fSKlaus Jensen iocb->ret = ret; 352863d96e4fSKlaus Jensen goto done; 352963d96e4fSKlaus Jensen } 353063d96e4fSKlaus Jensen 353163d96e4fSKlaus Jensen if (iocb->zone) { 353263d96e4fSKlaus Jensen nvme_zrm_reset(ns, iocb->zone); 353363d96e4fSKlaus Jensen 353463d96e4fSKlaus Jensen if (!iocb->all) { 353563d96e4fSKlaus Jensen goto done; 353663d96e4fSKlaus Jensen } 353763d96e4fSKlaus Jensen } 353863d96e4fSKlaus Jensen 353963d96e4fSKlaus Jensen while (iocb->idx < ns->num_zones) { 354063d96e4fSKlaus Jensen NvmeZone *zone = &ns->zone_array[iocb->idx++]; 354163d96e4fSKlaus Jensen 354263d96e4fSKlaus Jensen switch (nvme_get_zone_state(zone)) { 354363d96e4fSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 354463d96e4fSKlaus Jensen if (!iocb->all) { 354563d96e4fSKlaus Jensen goto done; 354663d96e4fSKlaus Jensen } 354763d96e4fSKlaus Jensen 354863d96e4fSKlaus Jensen continue; 354963d96e4fSKlaus Jensen 355063d96e4fSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 355163d96e4fSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 355263d96e4fSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 355363d96e4fSKlaus Jensen case NVME_ZONE_STATE_FULL: 355463d96e4fSKlaus Jensen iocb->zone = zone; 355563d96e4fSKlaus Jensen break; 355663d96e4fSKlaus Jensen 355763d96e4fSKlaus Jensen default: 355863d96e4fSKlaus Jensen continue; 355963d96e4fSKlaus Jensen } 356063d96e4fSKlaus Jensen 356163d96e4fSKlaus Jensen trace_pci_nvme_zns_zone_reset(zone->d.zslba); 356263d96e4fSKlaus Jensen 356363d96e4fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, 356463d96e4fSKlaus Jensen nvme_l2b(ns, zone->d.zslba), 356563d96e4fSKlaus Jensen nvme_l2b(ns, ns->zone_size), 356663d96e4fSKlaus Jensen BDRV_REQ_MAY_UNMAP, 356763d96e4fSKlaus Jensen nvme_zone_reset_epilogue_cb, 356863d96e4fSKlaus Jensen iocb); 356963d96e4fSKlaus Jensen return; 357063d96e4fSKlaus Jensen } 357163d96e4fSKlaus Jensen 357263d96e4fSKlaus Jensen done: 357363d96e4fSKlaus Jensen iocb->aiocb = NULL; 357463d96e4fSKlaus Jensen if (iocb->bh) { 357563d96e4fSKlaus Jensen qemu_bh_schedule(iocb->bh); 357663d96e4fSKlaus Jensen } 357763d96e4fSKlaus Jensen } 357863d96e4fSKlaus Jensen 357988eea45cSKlaus Jensen static uint16_t nvme_zone_mgmt_send(NvmeCtrl *n, NvmeRequest *req) 358088eea45cSKlaus Jensen { 358188eea45cSKlaus Jensen NvmeCmd *cmd = (NvmeCmd *)&req->cmd; 358288eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 358388eea45cSKlaus Jensen NvmeZone *zone; 358463d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb; 358588eea45cSKlaus Jensen uint8_t *zd_ext; 358688eea45cSKlaus Jensen uint32_t dw13 = le32_to_cpu(cmd->cdw13); 358788eea45cSKlaus Jensen uint64_t slba = 0; 358888eea45cSKlaus Jensen uint32_t zone_idx = 0; 358988eea45cSKlaus Jensen uint16_t status; 359088eea45cSKlaus Jensen uint8_t action; 359188eea45cSKlaus Jensen bool all; 359288eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask = NVME_PROC_CURRENT_ZONE; 359388eea45cSKlaus Jensen 359488eea45cSKlaus Jensen action = dw13 & 0xff; 359563d96e4fSKlaus Jensen all = !!(dw13 & 0x100); 359688eea45cSKlaus Jensen 359788eea45cSKlaus Jensen req->status = NVME_SUCCESS; 359888eea45cSKlaus Jensen 359988eea45cSKlaus Jensen if (!all) { 360088eea45cSKlaus Jensen status = nvme_get_mgmt_zone_slba_idx(ns, cmd, &slba, &zone_idx); 360188eea45cSKlaus Jensen if (status) { 360288eea45cSKlaus Jensen return status; 360388eea45cSKlaus Jensen } 360488eea45cSKlaus Jensen } 360588eea45cSKlaus Jensen 360688eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 360788eea45cSKlaus Jensen if (slba != zone->d.zslba) { 360888eea45cSKlaus Jensen trace_pci_nvme_err_unaligned_zone_cmd(action, slba, zone->d.zslba); 360988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 361088eea45cSKlaus Jensen } 361188eea45cSKlaus Jensen 361288eea45cSKlaus Jensen switch (action) { 361388eea45cSKlaus Jensen 361488eea45cSKlaus Jensen case NVME_ZONE_ACTION_OPEN: 361588eea45cSKlaus Jensen if (all) { 361688eea45cSKlaus Jensen proc_mask = NVME_PROC_CLOSED_ZONES; 361788eea45cSKlaus Jensen } 361888eea45cSKlaus Jensen trace_pci_nvme_open_zone(slba, zone_idx, all); 361988eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_open_zone, req); 362088eea45cSKlaus Jensen break; 362188eea45cSKlaus Jensen 362288eea45cSKlaus Jensen case NVME_ZONE_ACTION_CLOSE: 362388eea45cSKlaus Jensen if (all) { 362488eea45cSKlaus Jensen proc_mask = NVME_PROC_OPENED_ZONES; 362588eea45cSKlaus Jensen } 362688eea45cSKlaus Jensen trace_pci_nvme_close_zone(slba, zone_idx, all); 362788eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_close_zone, req); 362888eea45cSKlaus Jensen break; 362988eea45cSKlaus Jensen 363088eea45cSKlaus Jensen case NVME_ZONE_ACTION_FINISH: 363188eea45cSKlaus Jensen if (all) { 363288eea45cSKlaus Jensen proc_mask = NVME_PROC_OPENED_ZONES | NVME_PROC_CLOSED_ZONES; 363388eea45cSKlaus Jensen } 363488eea45cSKlaus Jensen trace_pci_nvme_finish_zone(slba, zone_idx, all); 363588eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_finish_zone, req); 363688eea45cSKlaus Jensen break; 363788eea45cSKlaus Jensen 363888eea45cSKlaus Jensen case NVME_ZONE_ACTION_RESET: 363988eea45cSKlaus Jensen trace_pci_nvme_reset_zone(slba, zone_idx, all); 364088eea45cSKlaus Jensen 364163d96e4fSKlaus Jensen iocb = blk_aio_get(&nvme_zone_reset_aiocb_info, ns->blkconf.blk, 364263d96e4fSKlaus Jensen nvme_misc_cb, req); 364388eea45cSKlaus Jensen 364463d96e4fSKlaus Jensen iocb->req = req; 364563d96e4fSKlaus Jensen iocb->bh = qemu_bh_new(nvme_zone_reset_bh, iocb); 364663d96e4fSKlaus Jensen iocb->ret = 0; 364763d96e4fSKlaus Jensen iocb->all = all; 364863d96e4fSKlaus Jensen iocb->idx = zone_idx; 364963d96e4fSKlaus Jensen iocb->zone = NULL; 365088eea45cSKlaus Jensen 365163d96e4fSKlaus Jensen req->aiocb = &iocb->common; 365263d96e4fSKlaus Jensen nvme_zone_reset_cb(iocb, 0); 365388eea45cSKlaus Jensen 365463d96e4fSKlaus Jensen return NVME_NO_COMPLETE; 365588eea45cSKlaus Jensen 365688eea45cSKlaus Jensen case NVME_ZONE_ACTION_OFFLINE: 365788eea45cSKlaus Jensen if (all) { 365888eea45cSKlaus Jensen proc_mask = NVME_PROC_READ_ONLY_ZONES; 365988eea45cSKlaus Jensen } 366088eea45cSKlaus Jensen trace_pci_nvme_offline_zone(slba, zone_idx, all); 366188eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_offline_zone, req); 366288eea45cSKlaus Jensen break; 366388eea45cSKlaus Jensen 366488eea45cSKlaus Jensen case NVME_ZONE_ACTION_SET_ZD_EXT: 366588eea45cSKlaus Jensen trace_pci_nvme_set_descriptor_extension(slba, zone_idx); 366688eea45cSKlaus Jensen if (all || !ns->params.zd_extension_size) { 366788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 366888eea45cSKlaus Jensen } 366988eea45cSKlaus Jensen zd_ext = nvme_get_zd_extension(ns, zone_idx); 367088eea45cSKlaus Jensen status = nvme_h2c(n, zd_ext, ns->params.zd_extension_size, req); 367188eea45cSKlaus Jensen if (status) { 367288eea45cSKlaus Jensen trace_pci_nvme_err_zd_extension_map_error(zone_idx); 367388eea45cSKlaus Jensen return status; 367488eea45cSKlaus Jensen } 367588eea45cSKlaus Jensen 367688eea45cSKlaus Jensen status = nvme_set_zd_ext(ns, zone); 367788eea45cSKlaus Jensen if (status == NVME_SUCCESS) { 367888eea45cSKlaus Jensen trace_pci_nvme_zd_extension_set(zone_idx); 367988eea45cSKlaus Jensen return status; 368088eea45cSKlaus Jensen } 368188eea45cSKlaus Jensen break; 368288eea45cSKlaus Jensen 368388eea45cSKlaus Jensen default: 368488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_mgmt_action(action); 368588eea45cSKlaus Jensen status = NVME_INVALID_FIELD; 368688eea45cSKlaus Jensen } 368788eea45cSKlaus Jensen 368888eea45cSKlaus Jensen if (status == NVME_ZONE_INVAL_TRANSITION) { 368988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_zone_state_transition(action, slba, 369088eea45cSKlaus Jensen zone->d.za); 369188eea45cSKlaus Jensen } 369288eea45cSKlaus Jensen if (status) { 369388eea45cSKlaus Jensen status |= NVME_DNR; 369488eea45cSKlaus Jensen } 369588eea45cSKlaus Jensen 369688eea45cSKlaus Jensen return status; 369788eea45cSKlaus Jensen } 369888eea45cSKlaus Jensen 369988eea45cSKlaus Jensen static bool nvme_zone_matches_filter(uint32_t zafs, NvmeZone *zl) 370088eea45cSKlaus Jensen { 370188eea45cSKlaus Jensen NvmeZoneState zs = nvme_get_zone_state(zl); 370288eea45cSKlaus Jensen 370388eea45cSKlaus Jensen switch (zafs) { 370488eea45cSKlaus Jensen case NVME_ZONE_REPORT_ALL: 370588eea45cSKlaus Jensen return true; 370688eea45cSKlaus Jensen case NVME_ZONE_REPORT_EMPTY: 370788eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_EMPTY; 370888eea45cSKlaus Jensen case NVME_ZONE_REPORT_IMPLICITLY_OPEN: 370988eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_IMPLICITLY_OPEN; 371088eea45cSKlaus Jensen case NVME_ZONE_REPORT_EXPLICITLY_OPEN: 371188eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_EXPLICITLY_OPEN; 371288eea45cSKlaus Jensen case NVME_ZONE_REPORT_CLOSED: 371388eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_CLOSED; 371488eea45cSKlaus Jensen case NVME_ZONE_REPORT_FULL: 371588eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_FULL; 371688eea45cSKlaus Jensen case NVME_ZONE_REPORT_READ_ONLY: 371788eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_READ_ONLY; 371888eea45cSKlaus Jensen case NVME_ZONE_REPORT_OFFLINE: 371988eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_OFFLINE; 372088eea45cSKlaus Jensen default: 372188eea45cSKlaus Jensen return false; 372288eea45cSKlaus Jensen } 372388eea45cSKlaus Jensen } 372488eea45cSKlaus Jensen 372588eea45cSKlaus Jensen static uint16_t nvme_zone_mgmt_recv(NvmeCtrl *n, NvmeRequest *req) 372688eea45cSKlaus Jensen { 372788eea45cSKlaus Jensen NvmeCmd *cmd = (NvmeCmd *)&req->cmd; 372888eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 372988eea45cSKlaus Jensen /* cdw12 is zero-based number of dwords to return. Convert to bytes */ 373088eea45cSKlaus Jensen uint32_t data_size = (le32_to_cpu(cmd->cdw12) + 1) << 2; 373188eea45cSKlaus Jensen uint32_t dw13 = le32_to_cpu(cmd->cdw13); 373288eea45cSKlaus Jensen uint32_t zone_idx, zra, zrasf, partial; 373388eea45cSKlaus Jensen uint64_t max_zones, nr_zones = 0; 373488eea45cSKlaus Jensen uint16_t status; 373588eea45cSKlaus Jensen uint64_t slba; 373688eea45cSKlaus Jensen NvmeZoneDescr *z; 373788eea45cSKlaus Jensen NvmeZone *zone; 373888eea45cSKlaus Jensen NvmeZoneReportHeader *header; 373988eea45cSKlaus Jensen void *buf, *buf_p; 374088eea45cSKlaus Jensen size_t zone_entry_sz; 374188eea45cSKlaus Jensen int i; 374288eea45cSKlaus Jensen 374388eea45cSKlaus Jensen req->status = NVME_SUCCESS; 374488eea45cSKlaus Jensen 374588eea45cSKlaus Jensen status = nvme_get_mgmt_zone_slba_idx(ns, cmd, &slba, &zone_idx); 374688eea45cSKlaus Jensen if (status) { 374788eea45cSKlaus Jensen return status; 374888eea45cSKlaus Jensen } 374988eea45cSKlaus Jensen 375088eea45cSKlaus Jensen zra = dw13 & 0xff; 375188eea45cSKlaus Jensen if (zra != NVME_ZONE_REPORT && zra != NVME_ZONE_REPORT_EXTENDED) { 375288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 375388eea45cSKlaus Jensen } 375488eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED && !ns->params.zd_extension_size) { 375588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 375688eea45cSKlaus Jensen } 375788eea45cSKlaus Jensen 375888eea45cSKlaus Jensen zrasf = (dw13 >> 8) & 0xff; 375988eea45cSKlaus Jensen if (zrasf > NVME_ZONE_REPORT_OFFLINE) { 376088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 376188eea45cSKlaus Jensen } 376288eea45cSKlaus Jensen 376388eea45cSKlaus Jensen if (data_size < sizeof(NvmeZoneReportHeader)) { 376488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 376588eea45cSKlaus Jensen } 376688eea45cSKlaus Jensen 376788eea45cSKlaus Jensen status = nvme_check_mdts(n, data_size); 376888eea45cSKlaus Jensen if (status) { 376988eea45cSKlaus Jensen return status; 377088eea45cSKlaus Jensen } 377188eea45cSKlaus Jensen 377288eea45cSKlaus Jensen partial = (dw13 >> 16) & 0x01; 377388eea45cSKlaus Jensen 377488eea45cSKlaus Jensen zone_entry_sz = sizeof(NvmeZoneDescr); 377588eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED) { 377688eea45cSKlaus Jensen zone_entry_sz += ns->params.zd_extension_size; 377788eea45cSKlaus Jensen } 377888eea45cSKlaus Jensen 377988eea45cSKlaus Jensen max_zones = (data_size - sizeof(NvmeZoneReportHeader)) / zone_entry_sz; 378088eea45cSKlaus Jensen buf = g_malloc0(data_size); 378188eea45cSKlaus Jensen 378288eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 378388eea45cSKlaus Jensen for (i = zone_idx; i < ns->num_zones; i++) { 378488eea45cSKlaus Jensen if (partial && nr_zones >= max_zones) { 378588eea45cSKlaus Jensen break; 378688eea45cSKlaus Jensen } 378788eea45cSKlaus Jensen if (nvme_zone_matches_filter(zrasf, zone++)) { 378888eea45cSKlaus Jensen nr_zones++; 378988eea45cSKlaus Jensen } 379088eea45cSKlaus Jensen } 379188eea45cSKlaus Jensen header = (NvmeZoneReportHeader *)buf; 379288eea45cSKlaus Jensen header->nr_zones = cpu_to_le64(nr_zones); 379388eea45cSKlaus Jensen 379488eea45cSKlaus Jensen buf_p = buf + sizeof(NvmeZoneReportHeader); 379588eea45cSKlaus Jensen for (; zone_idx < ns->num_zones && max_zones > 0; zone_idx++) { 379688eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 379788eea45cSKlaus Jensen if (nvme_zone_matches_filter(zrasf, zone)) { 379888eea45cSKlaus Jensen z = (NvmeZoneDescr *)buf_p; 379988eea45cSKlaus Jensen buf_p += sizeof(NvmeZoneDescr); 380088eea45cSKlaus Jensen 380188eea45cSKlaus Jensen z->zt = zone->d.zt; 380288eea45cSKlaus Jensen z->zs = zone->d.zs; 380388eea45cSKlaus Jensen z->zcap = cpu_to_le64(zone->d.zcap); 380488eea45cSKlaus Jensen z->zslba = cpu_to_le64(zone->d.zslba); 380588eea45cSKlaus Jensen z->za = zone->d.za; 380688eea45cSKlaus Jensen 380788eea45cSKlaus Jensen if (nvme_wp_is_valid(zone)) { 380888eea45cSKlaus Jensen z->wp = cpu_to_le64(zone->d.wp); 380988eea45cSKlaus Jensen } else { 381088eea45cSKlaus Jensen z->wp = cpu_to_le64(~0ULL); 381188eea45cSKlaus Jensen } 381288eea45cSKlaus Jensen 381388eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED) { 381488eea45cSKlaus Jensen if (zone->d.za & NVME_ZA_ZD_EXT_VALID) { 381588eea45cSKlaus Jensen memcpy(buf_p, nvme_get_zd_extension(ns, zone_idx), 381688eea45cSKlaus Jensen ns->params.zd_extension_size); 381788eea45cSKlaus Jensen } 381888eea45cSKlaus Jensen buf_p += ns->params.zd_extension_size; 381988eea45cSKlaus Jensen } 382088eea45cSKlaus Jensen 382188eea45cSKlaus Jensen max_zones--; 382288eea45cSKlaus Jensen } 382388eea45cSKlaus Jensen } 382488eea45cSKlaus Jensen 382588eea45cSKlaus Jensen status = nvme_c2h(n, (uint8_t *)buf, data_size, req); 382688eea45cSKlaus Jensen 382788eea45cSKlaus Jensen g_free(buf); 382888eea45cSKlaus Jensen 382988eea45cSKlaus Jensen return status; 383088eea45cSKlaus Jensen } 383188eea45cSKlaus Jensen 383288eea45cSKlaus Jensen static uint16_t nvme_io_cmd(NvmeCtrl *n, NvmeRequest *req) 383388eea45cSKlaus Jensen { 383488eea45cSKlaus Jensen NvmeNamespace *ns; 383588eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 383688eea45cSKlaus Jensen 383788eea45cSKlaus Jensen trace_pci_nvme_io_cmd(nvme_cid(req), nsid, nvme_sqid(req), 383888eea45cSKlaus Jensen req->cmd.opcode, nvme_io_opc_str(req->cmd.opcode)); 383988eea45cSKlaus Jensen 384088eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 384188eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 384288eea45cSKlaus Jensen } 384388eea45cSKlaus Jensen 384488eea45cSKlaus Jensen /* 384588eea45cSKlaus Jensen * In the base NVM command set, Flush may apply to all namespaces 384688eea45cSKlaus Jensen * (indicated by NSID being set to FFFFFFFFh). But if that feature is used 384788eea45cSKlaus Jensen * along with TP 4056 (Namespace Types), it may be pretty screwed up. 384888eea45cSKlaus Jensen * 384988eea45cSKlaus Jensen * If NSID is indeed set to FFFFFFFFh, we simply cannot associate the 385088eea45cSKlaus Jensen * opcode with a specific command since we cannot determine a unique I/O 385188eea45cSKlaus Jensen * command set. Opcode 0h could have any other meaning than something 385288eea45cSKlaus Jensen * equivalent to flushing and say it DOES have completely different 385388eea45cSKlaus Jensen * semantics in some other command set - does an NSID of FFFFFFFFh then 385488eea45cSKlaus Jensen * mean "for all namespaces, apply whatever command set specific command 385588eea45cSKlaus Jensen * that uses the 0h opcode?" Or does it mean "for all namespaces, apply 385688eea45cSKlaus Jensen * whatever command that uses the 0h opcode if, and only if, it allows NSID 385788eea45cSKlaus Jensen * to be FFFFFFFFh"? 385888eea45cSKlaus Jensen * 385988eea45cSKlaus Jensen * Anyway (and luckily), for now, we do not care about this since the 386088eea45cSKlaus Jensen * device only supports namespace types that includes the NVM Flush command 386188eea45cSKlaus Jensen * (NVM and Zoned), so always do an NVM Flush. 386288eea45cSKlaus Jensen */ 386388eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_FLUSH) { 386488eea45cSKlaus Jensen return nvme_flush(n, req); 386588eea45cSKlaus Jensen } 386688eea45cSKlaus Jensen 386788eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 386888eea45cSKlaus Jensen if (unlikely(!ns)) { 386988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 387088eea45cSKlaus Jensen } 387188eea45cSKlaus Jensen 387288eea45cSKlaus Jensen if (!(ns->iocs[req->cmd.opcode] & NVME_CMD_EFF_CSUPP)) { 387388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_opc(req->cmd.opcode); 387488eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 387588eea45cSKlaus Jensen } 387688eea45cSKlaus Jensen 387788eea45cSKlaus Jensen if (ns->status) { 387888eea45cSKlaus Jensen return ns->status; 387988eea45cSKlaus Jensen } 388088eea45cSKlaus Jensen 388188eea45cSKlaus Jensen req->ns = ns; 388288eea45cSKlaus Jensen 388388eea45cSKlaus Jensen switch (req->cmd.opcode) { 388488eea45cSKlaus Jensen case NVME_CMD_WRITE_ZEROES: 388588eea45cSKlaus Jensen return nvme_write_zeroes(n, req); 388688eea45cSKlaus Jensen case NVME_CMD_ZONE_APPEND: 388788eea45cSKlaus Jensen return nvme_zone_append(n, req); 388888eea45cSKlaus Jensen case NVME_CMD_WRITE: 388988eea45cSKlaus Jensen return nvme_write(n, req); 389088eea45cSKlaus Jensen case NVME_CMD_READ: 389188eea45cSKlaus Jensen return nvme_read(n, req); 389288eea45cSKlaus Jensen case NVME_CMD_COMPARE: 389388eea45cSKlaus Jensen return nvme_compare(n, req); 389488eea45cSKlaus Jensen case NVME_CMD_DSM: 389588eea45cSKlaus Jensen return nvme_dsm(n, req); 389688eea45cSKlaus Jensen case NVME_CMD_VERIFY: 389788eea45cSKlaus Jensen return nvme_verify(n, req); 389888eea45cSKlaus Jensen case NVME_CMD_COPY: 389988eea45cSKlaus Jensen return nvme_copy(n, req); 390088eea45cSKlaus Jensen case NVME_CMD_ZONE_MGMT_SEND: 390188eea45cSKlaus Jensen return nvme_zone_mgmt_send(n, req); 390288eea45cSKlaus Jensen case NVME_CMD_ZONE_MGMT_RECV: 390388eea45cSKlaus Jensen return nvme_zone_mgmt_recv(n, req); 390488eea45cSKlaus Jensen default: 390588eea45cSKlaus Jensen assert(false); 390688eea45cSKlaus Jensen } 390788eea45cSKlaus Jensen 390888eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 390988eea45cSKlaus Jensen } 391088eea45cSKlaus Jensen 391188eea45cSKlaus Jensen static void nvme_free_sq(NvmeSQueue *sq, NvmeCtrl *n) 391288eea45cSKlaus Jensen { 391388eea45cSKlaus Jensen n->sq[sq->sqid] = NULL; 391488eea45cSKlaus Jensen timer_free(sq->timer); 391588eea45cSKlaus Jensen g_free(sq->io_req); 391688eea45cSKlaus Jensen if (sq->sqid) { 391788eea45cSKlaus Jensen g_free(sq); 391888eea45cSKlaus Jensen } 391988eea45cSKlaus Jensen } 392088eea45cSKlaus Jensen 392188eea45cSKlaus Jensen static uint16_t nvme_del_sq(NvmeCtrl *n, NvmeRequest *req) 392288eea45cSKlaus Jensen { 392388eea45cSKlaus Jensen NvmeDeleteQ *c = (NvmeDeleteQ *)&req->cmd; 392488eea45cSKlaus Jensen NvmeRequest *r, *next; 392588eea45cSKlaus Jensen NvmeSQueue *sq; 392688eea45cSKlaus Jensen NvmeCQueue *cq; 392788eea45cSKlaus Jensen uint16_t qid = le16_to_cpu(c->qid); 392888eea45cSKlaus Jensen 392988eea45cSKlaus Jensen if (unlikely(!qid || nvme_check_sqid(n, qid))) { 393088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_sq(qid); 393188eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 393288eea45cSKlaus Jensen } 393388eea45cSKlaus Jensen 393488eea45cSKlaus Jensen trace_pci_nvme_del_sq(qid); 393588eea45cSKlaus Jensen 393688eea45cSKlaus Jensen sq = n->sq[qid]; 393788eea45cSKlaus Jensen while (!QTAILQ_EMPTY(&sq->out_req_list)) { 393888eea45cSKlaus Jensen r = QTAILQ_FIRST(&sq->out_req_list); 3939e76fb260SKlaus Jensen assert(r->aiocb); 394088eea45cSKlaus Jensen blk_aio_cancel(r->aiocb); 394188eea45cSKlaus Jensen } 394288eea45cSKlaus Jensen 394388eea45cSKlaus Jensen assert(QTAILQ_EMPTY(&sq->out_req_list)); 394488eea45cSKlaus Jensen 394588eea45cSKlaus Jensen if (!nvme_check_cqid(n, sq->cqid)) { 394688eea45cSKlaus Jensen cq = n->cq[sq->cqid]; 394788eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->sq_list, sq, entry); 394888eea45cSKlaus Jensen 394988eea45cSKlaus Jensen nvme_post_cqes(cq); 395088eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(r, &cq->req_list, entry, next) { 395188eea45cSKlaus Jensen if (r->sq == sq) { 395288eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->req_list, r, entry); 395388eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->req_list, r, entry); 395488eea45cSKlaus Jensen } 395588eea45cSKlaus Jensen } 395688eea45cSKlaus Jensen } 395788eea45cSKlaus Jensen 395888eea45cSKlaus Jensen nvme_free_sq(sq, n); 395988eea45cSKlaus Jensen return NVME_SUCCESS; 396088eea45cSKlaus Jensen } 396188eea45cSKlaus Jensen 396288eea45cSKlaus Jensen static void nvme_init_sq(NvmeSQueue *sq, NvmeCtrl *n, uint64_t dma_addr, 396388eea45cSKlaus Jensen uint16_t sqid, uint16_t cqid, uint16_t size) 396488eea45cSKlaus Jensen { 396588eea45cSKlaus Jensen int i; 396688eea45cSKlaus Jensen NvmeCQueue *cq; 396788eea45cSKlaus Jensen 396888eea45cSKlaus Jensen sq->ctrl = n; 396988eea45cSKlaus Jensen sq->dma_addr = dma_addr; 397088eea45cSKlaus Jensen sq->sqid = sqid; 397188eea45cSKlaus Jensen sq->size = size; 397288eea45cSKlaus Jensen sq->cqid = cqid; 397388eea45cSKlaus Jensen sq->head = sq->tail = 0; 397488eea45cSKlaus Jensen sq->io_req = g_new0(NvmeRequest, sq->size); 397588eea45cSKlaus Jensen 397688eea45cSKlaus Jensen QTAILQ_INIT(&sq->req_list); 397788eea45cSKlaus Jensen QTAILQ_INIT(&sq->out_req_list); 397888eea45cSKlaus Jensen for (i = 0; i < sq->size; i++) { 397988eea45cSKlaus Jensen sq->io_req[i].sq = sq; 398088eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&(sq->req_list), &sq->io_req[i], entry); 398188eea45cSKlaus Jensen } 398288eea45cSKlaus Jensen sq->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, nvme_process_sq, sq); 398388eea45cSKlaus Jensen 398488eea45cSKlaus Jensen assert(n->cq[cqid]); 398588eea45cSKlaus Jensen cq = n->cq[cqid]; 398688eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&(cq->sq_list), sq, entry); 398788eea45cSKlaus Jensen n->sq[sqid] = sq; 398888eea45cSKlaus Jensen } 398988eea45cSKlaus Jensen 399088eea45cSKlaus Jensen static uint16_t nvme_create_sq(NvmeCtrl *n, NvmeRequest *req) 399188eea45cSKlaus Jensen { 399288eea45cSKlaus Jensen NvmeSQueue *sq; 399388eea45cSKlaus Jensen NvmeCreateSq *c = (NvmeCreateSq *)&req->cmd; 399488eea45cSKlaus Jensen 399588eea45cSKlaus Jensen uint16_t cqid = le16_to_cpu(c->cqid); 399688eea45cSKlaus Jensen uint16_t sqid = le16_to_cpu(c->sqid); 399788eea45cSKlaus Jensen uint16_t qsize = le16_to_cpu(c->qsize); 399888eea45cSKlaus Jensen uint16_t qflags = le16_to_cpu(c->sq_flags); 399988eea45cSKlaus Jensen uint64_t prp1 = le64_to_cpu(c->prp1); 400088eea45cSKlaus Jensen 400188eea45cSKlaus Jensen trace_pci_nvme_create_sq(prp1, sqid, cqid, qsize, qflags); 400288eea45cSKlaus Jensen 400388eea45cSKlaus Jensen if (unlikely(!cqid || nvme_check_cqid(n, cqid))) { 400488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_cqid(cqid); 400588eea45cSKlaus Jensen return NVME_INVALID_CQID | NVME_DNR; 400688eea45cSKlaus Jensen } 400788eea45cSKlaus Jensen if (unlikely(!sqid || sqid > n->params.max_ioqpairs || 400888eea45cSKlaus Jensen n->sq[sqid] != NULL)) { 400988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_sqid(sqid); 401088eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 401188eea45cSKlaus Jensen } 401288eea45cSKlaus Jensen if (unlikely(!qsize || qsize > NVME_CAP_MQES(n->bar.cap))) { 401388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_size(qsize); 401488eea45cSKlaus Jensen return NVME_MAX_QSIZE_EXCEEDED | NVME_DNR; 401588eea45cSKlaus Jensen } 401688eea45cSKlaus Jensen if (unlikely(prp1 & (n->page_size - 1))) { 401788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_addr(prp1); 401888eea45cSKlaus Jensen return NVME_INVALID_PRP_OFFSET | NVME_DNR; 401988eea45cSKlaus Jensen } 402088eea45cSKlaus Jensen if (unlikely(!(NVME_SQ_FLAGS_PC(qflags)))) { 402188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_qflags(NVME_SQ_FLAGS_PC(qflags)); 402288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 402388eea45cSKlaus Jensen } 402488eea45cSKlaus Jensen sq = g_malloc0(sizeof(*sq)); 402588eea45cSKlaus Jensen nvme_init_sq(sq, n, prp1, sqid, cqid, qsize + 1); 402688eea45cSKlaus Jensen return NVME_SUCCESS; 402788eea45cSKlaus Jensen } 402888eea45cSKlaus Jensen 402988eea45cSKlaus Jensen struct nvme_stats { 403088eea45cSKlaus Jensen uint64_t units_read; 403188eea45cSKlaus Jensen uint64_t units_written; 403288eea45cSKlaus Jensen uint64_t read_commands; 403388eea45cSKlaus Jensen uint64_t write_commands; 403488eea45cSKlaus Jensen }; 403588eea45cSKlaus Jensen 403688eea45cSKlaus Jensen static void nvme_set_blk_stats(NvmeNamespace *ns, struct nvme_stats *stats) 403788eea45cSKlaus Jensen { 403888eea45cSKlaus Jensen BlockAcctStats *s = blk_get_stats(ns->blkconf.blk); 403988eea45cSKlaus Jensen 404088eea45cSKlaus Jensen stats->units_read += s->nr_bytes[BLOCK_ACCT_READ] >> BDRV_SECTOR_BITS; 404188eea45cSKlaus Jensen stats->units_written += s->nr_bytes[BLOCK_ACCT_WRITE] >> BDRV_SECTOR_BITS; 404288eea45cSKlaus Jensen stats->read_commands += s->nr_ops[BLOCK_ACCT_READ]; 404388eea45cSKlaus Jensen stats->write_commands += s->nr_ops[BLOCK_ACCT_WRITE]; 404488eea45cSKlaus Jensen } 404588eea45cSKlaus Jensen 404688eea45cSKlaus Jensen static uint16_t nvme_smart_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 404788eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 404888eea45cSKlaus Jensen { 404988eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 405088eea45cSKlaus Jensen struct nvme_stats stats = { 0 }; 405188eea45cSKlaus Jensen NvmeSmartLog smart = { 0 }; 405288eea45cSKlaus Jensen uint32_t trans_len; 405388eea45cSKlaus Jensen NvmeNamespace *ns; 405488eea45cSKlaus Jensen time_t current_ms; 405588eea45cSKlaus Jensen 405688eea45cSKlaus Jensen if (off >= sizeof(smart)) { 405788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 405888eea45cSKlaus Jensen } 405988eea45cSKlaus Jensen 406088eea45cSKlaus Jensen if (nsid != 0xffffffff) { 406188eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 406288eea45cSKlaus Jensen if (!ns) { 406388eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 406488eea45cSKlaus Jensen } 406588eea45cSKlaus Jensen nvme_set_blk_stats(ns, &stats); 406688eea45cSKlaus Jensen } else { 406788eea45cSKlaus Jensen int i; 406888eea45cSKlaus Jensen 406988eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 407088eea45cSKlaus Jensen ns = nvme_ns(n, i); 407188eea45cSKlaus Jensen if (!ns) { 407288eea45cSKlaus Jensen continue; 407388eea45cSKlaus Jensen } 407488eea45cSKlaus Jensen nvme_set_blk_stats(ns, &stats); 407588eea45cSKlaus Jensen } 407688eea45cSKlaus Jensen } 407788eea45cSKlaus Jensen 407888eea45cSKlaus Jensen trans_len = MIN(sizeof(smart) - off, buf_len); 407988eea45cSKlaus Jensen smart.critical_warning = n->smart_critical_warning; 408088eea45cSKlaus Jensen 408188eea45cSKlaus Jensen smart.data_units_read[0] = cpu_to_le64(DIV_ROUND_UP(stats.units_read, 408288eea45cSKlaus Jensen 1000)); 408388eea45cSKlaus Jensen smart.data_units_written[0] = cpu_to_le64(DIV_ROUND_UP(stats.units_written, 408488eea45cSKlaus Jensen 1000)); 408588eea45cSKlaus Jensen smart.host_read_commands[0] = cpu_to_le64(stats.read_commands); 408688eea45cSKlaus Jensen smart.host_write_commands[0] = cpu_to_le64(stats.write_commands); 408788eea45cSKlaus Jensen 408888eea45cSKlaus Jensen smart.temperature = cpu_to_le16(n->temperature); 408988eea45cSKlaus Jensen 409088eea45cSKlaus Jensen if ((n->temperature >= n->features.temp_thresh_hi) || 409188eea45cSKlaus Jensen (n->temperature <= n->features.temp_thresh_low)) { 409288eea45cSKlaus Jensen smart.critical_warning |= NVME_SMART_TEMPERATURE; 409388eea45cSKlaus Jensen } 409488eea45cSKlaus Jensen 409588eea45cSKlaus Jensen current_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 409688eea45cSKlaus Jensen smart.power_on_hours[0] = 409788eea45cSKlaus Jensen cpu_to_le64((((current_ms - n->starttime_ms) / 1000) / 60) / 60); 409888eea45cSKlaus Jensen 409988eea45cSKlaus Jensen if (!rae) { 410088eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_SMART); 410188eea45cSKlaus Jensen } 410288eea45cSKlaus Jensen 410388eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *) &smart + off, trans_len, req); 410488eea45cSKlaus Jensen } 410588eea45cSKlaus Jensen 410688eea45cSKlaus Jensen static uint16_t nvme_fw_log_info(NvmeCtrl *n, uint32_t buf_len, uint64_t off, 410788eea45cSKlaus Jensen NvmeRequest *req) 410888eea45cSKlaus Jensen { 410988eea45cSKlaus Jensen uint32_t trans_len; 411088eea45cSKlaus Jensen NvmeFwSlotInfoLog fw_log = { 411188eea45cSKlaus Jensen .afi = 0x1, 411288eea45cSKlaus Jensen }; 411388eea45cSKlaus Jensen 411488eea45cSKlaus Jensen if (off >= sizeof(fw_log)) { 411588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 411688eea45cSKlaus Jensen } 411788eea45cSKlaus Jensen 411888eea45cSKlaus Jensen strpadcpy((char *)&fw_log.frs1, sizeof(fw_log.frs1), "1.0", ' '); 411988eea45cSKlaus Jensen trans_len = MIN(sizeof(fw_log) - off, buf_len); 412088eea45cSKlaus Jensen 412188eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *) &fw_log + off, trans_len, req); 412288eea45cSKlaus Jensen } 412388eea45cSKlaus Jensen 412488eea45cSKlaus Jensen static uint16_t nvme_error_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 412588eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 412688eea45cSKlaus Jensen { 412788eea45cSKlaus Jensen uint32_t trans_len; 412888eea45cSKlaus Jensen NvmeErrorLog errlog; 412988eea45cSKlaus Jensen 413088eea45cSKlaus Jensen if (off >= sizeof(errlog)) { 413188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 413288eea45cSKlaus Jensen } 413388eea45cSKlaus Jensen 413488eea45cSKlaus Jensen if (!rae) { 413588eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_ERROR); 413688eea45cSKlaus Jensen } 413788eea45cSKlaus Jensen 413888eea45cSKlaus Jensen memset(&errlog, 0x0, sizeof(errlog)); 413988eea45cSKlaus Jensen trans_len = MIN(sizeof(errlog) - off, buf_len); 414088eea45cSKlaus Jensen 414188eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&errlog, trans_len, req); 414288eea45cSKlaus Jensen } 414388eea45cSKlaus Jensen 414488eea45cSKlaus Jensen static uint16_t nvme_changed_nslist(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 414588eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 414688eea45cSKlaus Jensen { 414788eea45cSKlaus Jensen uint32_t nslist[1024]; 414888eea45cSKlaus Jensen uint32_t trans_len; 414988eea45cSKlaus Jensen int i = 0; 415088eea45cSKlaus Jensen uint32_t nsid; 415188eea45cSKlaus Jensen 415288eea45cSKlaus Jensen memset(nslist, 0x0, sizeof(nslist)); 415388eea45cSKlaus Jensen trans_len = MIN(sizeof(nslist) - off, buf_len); 415488eea45cSKlaus Jensen 415588eea45cSKlaus Jensen while ((nsid = find_first_bit(n->changed_nsids, NVME_CHANGED_NSID_SIZE)) != 415688eea45cSKlaus Jensen NVME_CHANGED_NSID_SIZE) { 415788eea45cSKlaus Jensen /* 415888eea45cSKlaus Jensen * If more than 1024 namespaces, the first entry in the log page should 415988eea45cSKlaus Jensen * be set to FFFFFFFFh and the others to 0 as spec. 416088eea45cSKlaus Jensen */ 416188eea45cSKlaus Jensen if (i == ARRAY_SIZE(nslist)) { 416288eea45cSKlaus Jensen memset(nslist, 0x0, sizeof(nslist)); 416388eea45cSKlaus Jensen nslist[0] = 0xffffffff; 416488eea45cSKlaus Jensen break; 416588eea45cSKlaus Jensen } 416688eea45cSKlaus Jensen 416788eea45cSKlaus Jensen nslist[i++] = nsid; 416888eea45cSKlaus Jensen clear_bit(nsid, n->changed_nsids); 416988eea45cSKlaus Jensen } 417088eea45cSKlaus Jensen 417188eea45cSKlaus Jensen /* 417288eea45cSKlaus Jensen * Remove all the remaining list entries in case returns directly due to 417388eea45cSKlaus Jensen * more than 1024 namespaces. 417488eea45cSKlaus Jensen */ 417588eea45cSKlaus Jensen if (nslist[0] == 0xffffffff) { 417688eea45cSKlaus Jensen bitmap_zero(n->changed_nsids, NVME_CHANGED_NSID_SIZE); 417788eea45cSKlaus Jensen } 417888eea45cSKlaus Jensen 417988eea45cSKlaus Jensen if (!rae) { 418088eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_NOTICE); 418188eea45cSKlaus Jensen } 418288eea45cSKlaus Jensen 418388eea45cSKlaus Jensen return nvme_c2h(n, ((uint8_t *)nslist) + off, trans_len, req); 418488eea45cSKlaus Jensen } 418588eea45cSKlaus Jensen 418688eea45cSKlaus Jensen static uint16_t nvme_cmd_effects(NvmeCtrl *n, uint8_t csi, uint32_t buf_len, 418788eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 418888eea45cSKlaus Jensen { 418988eea45cSKlaus Jensen NvmeEffectsLog log = {}; 419088eea45cSKlaus Jensen const uint32_t *src_iocs = NULL; 419188eea45cSKlaus Jensen uint32_t trans_len; 419288eea45cSKlaus Jensen 419388eea45cSKlaus Jensen if (off >= sizeof(log)) { 419488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_log_page_offset(off, sizeof(log)); 419588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 419688eea45cSKlaus Jensen } 419788eea45cSKlaus Jensen 419888eea45cSKlaus Jensen switch (NVME_CC_CSS(n->bar.cc)) { 419988eea45cSKlaus Jensen case NVME_CC_CSS_NVM: 420088eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_nvm; 420188eea45cSKlaus Jensen /* fall through */ 420288eea45cSKlaus Jensen case NVME_CC_CSS_ADMIN_ONLY: 420388eea45cSKlaus Jensen break; 420488eea45cSKlaus Jensen case NVME_CC_CSS_CSI: 420588eea45cSKlaus Jensen switch (csi) { 420688eea45cSKlaus Jensen case NVME_CSI_NVM: 420788eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_nvm; 420888eea45cSKlaus Jensen break; 420988eea45cSKlaus Jensen case NVME_CSI_ZONED: 421088eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_zoned; 421188eea45cSKlaus Jensen break; 421288eea45cSKlaus Jensen } 421388eea45cSKlaus Jensen } 421488eea45cSKlaus Jensen 421588eea45cSKlaus Jensen memcpy(log.acs, nvme_cse_acs, sizeof(nvme_cse_acs)); 421688eea45cSKlaus Jensen 421788eea45cSKlaus Jensen if (src_iocs) { 421888eea45cSKlaus Jensen memcpy(log.iocs, src_iocs, sizeof(log.iocs)); 421988eea45cSKlaus Jensen } 422088eea45cSKlaus Jensen 422188eea45cSKlaus Jensen trans_len = MIN(sizeof(log) - off, buf_len); 422288eea45cSKlaus Jensen 422388eea45cSKlaus Jensen return nvme_c2h(n, ((uint8_t *)&log) + off, trans_len, req); 422488eea45cSKlaus Jensen } 422588eea45cSKlaus Jensen 422688eea45cSKlaus Jensen static uint16_t nvme_get_log(NvmeCtrl *n, NvmeRequest *req) 422788eea45cSKlaus Jensen { 422888eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 422988eea45cSKlaus Jensen 423088eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 423188eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 423288eea45cSKlaus Jensen uint32_t dw12 = le32_to_cpu(cmd->cdw12); 423388eea45cSKlaus Jensen uint32_t dw13 = le32_to_cpu(cmd->cdw13); 423488eea45cSKlaus Jensen uint8_t lid = dw10 & 0xff; 423588eea45cSKlaus Jensen uint8_t lsp = (dw10 >> 8) & 0xf; 423688eea45cSKlaus Jensen uint8_t rae = (dw10 >> 15) & 0x1; 423788eea45cSKlaus Jensen uint8_t csi = le32_to_cpu(cmd->cdw14) >> 24; 423888eea45cSKlaus Jensen uint32_t numdl, numdu; 423988eea45cSKlaus Jensen uint64_t off, lpol, lpou; 424088eea45cSKlaus Jensen size_t len; 424188eea45cSKlaus Jensen uint16_t status; 424288eea45cSKlaus Jensen 424388eea45cSKlaus Jensen numdl = (dw10 >> 16); 424488eea45cSKlaus Jensen numdu = (dw11 & 0xffff); 424588eea45cSKlaus Jensen lpol = dw12; 424688eea45cSKlaus Jensen lpou = dw13; 424788eea45cSKlaus Jensen 424888eea45cSKlaus Jensen len = (((numdu << 16) | numdl) + 1) << 2; 424988eea45cSKlaus Jensen off = (lpou << 32ULL) | lpol; 425088eea45cSKlaus Jensen 425188eea45cSKlaus Jensen if (off & 0x3) { 425288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 425388eea45cSKlaus Jensen } 425488eea45cSKlaus Jensen 425588eea45cSKlaus Jensen trace_pci_nvme_get_log(nvme_cid(req), lid, lsp, rae, len, off); 425688eea45cSKlaus Jensen 425788eea45cSKlaus Jensen status = nvme_check_mdts(n, len); 425888eea45cSKlaus Jensen if (status) { 425988eea45cSKlaus Jensen return status; 426088eea45cSKlaus Jensen } 426188eea45cSKlaus Jensen 426288eea45cSKlaus Jensen switch (lid) { 426388eea45cSKlaus Jensen case NVME_LOG_ERROR_INFO: 426488eea45cSKlaus Jensen return nvme_error_info(n, rae, len, off, req); 426588eea45cSKlaus Jensen case NVME_LOG_SMART_INFO: 426688eea45cSKlaus Jensen return nvme_smart_info(n, rae, len, off, req); 426788eea45cSKlaus Jensen case NVME_LOG_FW_SLOT_INFO: 426888eea45cSKlaus Jensen return nvme_fw_log_info(n, len, off, req); 426988eea45cSKlaus Jensen case NVME_LOG_CHANGED_NSLIST: 427088eea45cSKlaus Jensen return nvme_changed_nslist(n, rae, len, off, req); 427188eea45cSKlaus Jensen case NVME_LOG_CMD_EFFECTS: 427288eea45cSKlaus Jensen return nvme_cmd_effects(n, csi, len, off, req); 427388eea45cSKlaus Jensen default: 427488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_log_page(nvme_cid(req), lid); 427588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 427688eea45cSKlaus Jensen } 427788eea45cSKlaus Jensen } 427888eea45cSKlaus Jensen 427988eea45cSKlaus Jensen static void nvme_free_cq(NvmeCQueue *cq, NvmeCtrl *n) 428088eea45cSKlaus Jensen { 428188eea45cSKlaus Jensen n->cq[cq->cqid] = NULL; 428288eea45cSKlaus Jensen timer_free(cq->timer); 428388eea45cSKlaus Jensen if (msix_enabled(&n->parent_obj)) { 428488eea45cSKlaus Jensen msix_vector_unuse(&n->parent_obj, cq->vector); 428588eea45cSKlaus Jensen } 428688eea45cSKlaus Jensen if (cq->cqid) { 428788eea45cSKlaus Jensen g_free(cq); 428888eea45cSKlaus Jensen } 428988eea45cSKlaus Jensen } 429088eea45cSKlaus Jensen 429188eea45cSKlaus Jensen static uint16_t nvme_del_cq(NvmeCtrl *n, NvmeRequest *req) 429288eea45cSKlaus Jensen { 429388eea45cSKlaus Jensen NvmeDeleteQ *c = (NvmeDeleteQ *)&req->cmd; 429488eea45cSKlaus Jensen NvmeCQueue *cq; 429588eea45cSKlaus Jensen uint16_t qid = le16_to_cpu(c->qid); 429688eea45cSKlaus Jensen 429788eea45cSKlaus Jensen if (unlikely(!qid || nvme_check_cqid(n, qid))) { 429888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_cq_cqid(qid); 429988eea45cSKlaus Jensen return NVME_INVALID_CQID | NVME_DNR; 430088eea45cSKlaus Jensen } 430188eea45cSKlaus Jensen 430288eea45cSKlaus Jensen cq = n->cq[qid]; 430388eea45cSKlaus Jensen if (unlikely(!QTAILQ_EMPTY(&cq->sq_list))) { 430488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_cq_notempty(qid); 430588eea45cSKlaus Jensen return NVME_INVALID_QUEUE_DEL; 430688eea45cSKlaus Jensen } 4307*83d7ed5cSKlaus Jensen 4308*83d7ed5cSKlaus Jensen if (cq->irq_enabled && cq->tail != cq->head) { 4309*83d7ed5cSKlaus Jensen n->cq_pending--; 4310*83d7ed5cSKlaus Jensen } 4311*83d7ed5cSKlaus Jensen 431288eea45cSKlaus Jensen nvme_irq_deassert(n, cq); 431388eea45cSKlaus Jensen trace_pci_nvme_del_cq(qid); 431488eea45cSKlaus Jensen nvme_free_cq(cq, n); 431588eea45cSKlaus Jensen return NVME_SUCCESS; 431688eea45cSKlaus Jensen } 431788eea45cSKlaus Jensen 431888eea45cSKlaus Jensen static void nvme_init_cq(NvmeCQueue *cq, NvmeCtrl *n, uint64_t dma_addr, 431988eea45cSKlaus Jensen uint16_t cqid, uint16_t vector, uint16_t size, 432088eea45cSKlaus Jensen uint16_t irq_enabled) 432188eea45cSKlaus Jensen { 432288eea45cSKlaus Jensen int ret; 432388eea45cSKlaus Jensen 432488eea45cSKlaus Jensen if (msix_enabled(&n->parent_obj)) { 432588eea45cSKlaus Jensen ret = msix_vector_use(&n->parent_obj, vector); 432688eea45cSKlaus Jensen assert(ret == 0); 432788eea45cSKlaus Jensen } 432888eea45cSKlaus Jensen cq->ctrl = n; 432988eea45cSKlaus Jensen cq->cqid = cqid; 433088eea45cSKlaus Jensen cq->size = size; 433188eea45cSKlaus Jensen cq->dma_addr = dma_addr; 433288eea45cSKlaus Jensen cq->phase = 1; 433388eea45cSKlaus Jensen cq->irq_enabled = irq_enabled; 433488eea45cSKlaus Jensen cq->vector = vector; 433588eea45cSKlaus Jensen cq->head = cq->tail = 0; 433688eea45cSKlaus Jensen QTAILQ_INIT(&cq->req_list); 433788eea45cSKlaus Jensen QTAILQ_INIT(&cq->sq_list); 433888eea45cSKlaus Jensen n->cq[cqid] = cq; 433988eea45cSKlaus Jensen cq->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, nvme_post_cqes, cq); 434088eea45cSKlaus Jensen } 434188eea45cSKlaus Jensen 434288eea45cSKlaus Jensen static uint16_t nvme_create_cq(NvmeCtrl *n, NvmeRequest *req) 434388eea45cSKlaus Jensen { 434488eea45cSKlaus Jensen NvmeCQueue *cq; 434588eea45cSKlaus Jensen NvmeCreateCq *c = (NvmeCreateCq *)&req->cmd; 434688eea45cSKlaus Jensen uint16_t cqid = le16_to_cpu(c->cqid); 434788eea45cSKlaus Jensen uint16_t vector = le16_to_cpu(c->irq_vector); 434888eea45cSKlaus Jensen uint16_t qsize = le16_to_cpu(c->qsize); 434988eea45cSKlaus Jensen uint16_t qflags = le16_to_cpu(c->cq_flags); 435088eea45cSKlaus Jensen uint64_t prp1 = le64_to_cpu(c->prp1); 435188eea45cSKlaus Jensen 435288eea45cSKlaus Jensen trace_pci_nvme_create_cq(prp1, cqid, vector, qsize, qflags, 435388eea45cSKlaus Jensen NVME_CQ_FLAGS_IEN(qflags) != 0); 435488eea45cSKlaus Jensen 435588eea45cSKlaus Jensen if (unlikely(!cqid || cqid > n->params.max_ioqpairs || 435688eea45cSKlaus Jensen n->cq[cqid] != NULL)) { 435788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_cqid(cqid); 435888eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 435988eea45cSKlaus Jensen } 436088eea45cSKlaus Jensen if (unlikely(!qsize || qsize > NVME_CAP_MQES(n->bar.cap))) { 436188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_size(qsize); 436288eea45cSKlaus Jensen return NVME_MAX_QSIZE_EXCEEDED | NVME_DNR; 436388eea45cSKlaus Jensen } 436488eea45cSKlaus Jensen if (unlikely(prp1 & (n->page_size - 1))) { 436588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_addr(prp1); 436688eea45cSKlaus Jensen return NVME_INVALID_PRP_OFFSET | NVME_DNR; 436788eea45cSKlaus Jensen } 436888eea45cSKlaus Jensen if (unlikely(!msix_enabled(&n->parent_obj) && vector)) { 436988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_vector(vector); 437088eea45cSKlaus Jensen return NVME_INVALID_IRQ_VECTOR | NVME_DNR; 437188eea45cSKlaus Jensen } 437288eea45cSKlaus Jensen if (unlikely(vector >= n->params.msix_qsize)) { 437388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_vector(vector); 437488eea45cSKlaus Jensen return NVME_INVALID_IRQ_VECTOR | NVME_DNR; 437588eea45cSKlaus Jensen } 437688eea45cSKlaus Jensen if (unlikely(!(NVME_CQ_FLAGS_PC(qflags)))) { 437788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_qflags(NVME_CQ_FLAGS_PC(qflags)); 437888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 437988eea45cSKlaus Jensen } 438088eea45cSKlaus Jensen 438188eea45cSKlaus Jensen cq = g_malloc0(sizeof(*cq)); 438288eea45cSKlaus Jensen nvme_init_cq(cq, n, prp1, cqid, vector, qsize + 1, 438388eea45cSKlaus Jensen NVME_CQ_FLAGS_IEN(qflags)); 438488eea45cSKlaus Jensen 438588eea45cSKlaus Jensen /* 438688eea45cSKlaus Jensen * It is only required to set qs_created when creating a completion queue; 438788eea45cSKlaus Jensen * creating a submission queue without a matching completion queue will 438888eea45cSKlaus Jensen * fail. 438988eea45cSKlaus Jensen */ 439088eea45cSKlaus Jensen n->qs_created = true; 439188eea45cSKlaus Jensen return NVME_SUCCESS; 439288eea45cSKlaus Jensen } 439388eea45cSKlaus Jensen 439488eea45cSKlaus Jensen static uint16_t nvme_rpt_empty_id_struct(NvmeCtrl *n, NvmeRequest *req) 439588eea45cSKlaus Jensen { 439688eea45cSKlaus Jensen uint8_t id[NVME_IDENTIFY_DATA_SIZE] = {}; 439788eea45cSKlaus Jensen 439888eea45cSKlaus Jensen return nvme_c2h(n, id, sizeof(id), req); 439988eea45cSKlaus Jensen } 440088eea45cSKlaus Jensen 440188eea45cSKlaus Jensen static uint16_t nvme_identify_ctrl(NvmeCtrl *n, NvmeRequest *req) 440288eea45cSKlaus Jensen { 440388eea45cSKlaus Jensen trace_pci_nvme_identify_ctrl(); 440488eea45cSKlaus Jensen 440588eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&n->id_ctrl, sizeof(n->id_ctrl), req); 440688eea45cSKlaus Jensen } 440788eea45cSKlaus Jensen 440888eea45cSKlaus Jensen static uint16_t nvme_identify_ctrl_csi(NvmeCtrl *n, NvmeRequest *req) 440988eea45cSKlaus Jensen { 441088eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 441188eea45cSKlaus Jensen uint8_t id[NVME_IDENTIFY_DATA_SIZE] = {}; 441288eea45cSKlaus Jensen NvmeIdCtrlNvm *id_nvm = (NvmeIdCtrlNvm *)&id; 441388eea45cSKlaus Jensen 441488eea45cSKlaus Jensen trace_pci_nvme_identify_ctrl_csi(c->csi); 441588eea45cSKlaus Jensen 441688eea45cSKlaus Jensen switch (c->csi) { 441788eea45cSKlaus Jensen case NVME_CSI_NVM: 441888eea45cSKlaus Jensen id_nvm->vsl = n->params.vsl; 441988eea45cSKlaus Jensen id_nvm->dmrsl = cpu_to_le32(n->dmrsl); 442088eea45cSKlaus Jensen break; 442188eea45cSKlaus Jensen 442288eea45cSKlaus Jensen case NVME_CSI_ZONED: 442388eea45cSKlaus Jensen ((NvmeIdCtrlZoned *)&id)->zasl = n->params.zasl; 442488eea45cSKlaus Jensen break; 442588eea45cSKlaus Jensen 442688eea45cSKlaus Jensen default: 442788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 442888eea45cSKlaus Jensen } 442988eea45cSKlaus Jensen 443088eea45cSKlaus Jensen return nvme_c2h(n, id, sizeof(id), req); 443188eea45cSKlaus Jensen } 443288eea45cSKlaus Jensen 443388eea45cSKlaus Jensen static uint16_t nvme_identify_ns(NvmeCtrl *n, NvmeRequest *req, bool active) 443488eea45cSKlaus Jensen { 443588eea45cSKlaus Jensen NvmeNamespace *ns; 443688eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 443788eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 443888eea45cSKlaus Jensen 443988eea45cSKlaus Jensen trace_pci_nvme_identify_ns(nsid); 444088eea45cSKlaus Jensen 444188eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 444288eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 444388eea45cSKlaus Jensen } 444488eea45cSKlaus Jensen 444588eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 444688eea45cSKlaus Jensen if (unlikely(!ns)) { 444788eea45cSKlaus Jensen if (!active) { 444888eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 444988eea45cSKlaus Jensen if (!ns) { 445088eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 445188eea45cSKlaus Jensen } 445288eea45cSKlaus Jensen } else { 445388eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 445488eea45cSKlaus Jensen } 445588eea45cSKlaus Jensen } 445688eea45cSKlaus Jensen 44573553c48fSGollu Appalanaidu if (active || ns->csi == NVME_CSI_NVM) { 445888eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&ns->id_ns, sizeof(NvmeIdNs), req); 445988eea45cSKlaus Jensen } 446088eea45cSKlaus Jensen 446188eea45cSKlaus Jensen return NVME_INVALID_CMD_SET | NVME_DNR; 446288eea45cSKlaus Jensen } 446388eea45cSKlaus Jensen 44645f4eb94dSGollu Appalanaidu static uint16_t nvme_identify_ctrl_list(NvmeCtrl *n, NvmeRequest *req, 44655f4eb94dSGollu Appalanaidu bool attached) 446688eea45cSKlaus Jensen { 446788eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 44685f4eb94dSGollu Appalanaidu uint32_t nsid = le32_to_cpu(c->nsid); 446988eea45cSKlaus Jensen uint16_t min_id = le16_to_cpu(c->ctrlid); 447088eea45cSKlaus Jensen uint16_t list[NVME_CONTROLLER_LIST_SIZE] = {}; 447188eea45cSKlaus Jensen uint16_t *ids = &list[1]; 447288eea45cSKlaus Jensen NvmeNamespace *ns; 447388eea45cSKlaus Jensen NvmeCtrl *ctrl; 447488eea45cSKlaus Jensen int cntlid, nr_ids = 0; 447588eea45cSKlaus Jensen 44765f4eb94dSGollu Appalanaidu trace_pci_nvme_identify_ctrl_list(c->cns, min_id); 447788eea45cSKlaus Jensen 44785f4eb94dSGollu Appalanaidu if (!n->subsys) { 447988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 448088eea45cSKlaus Jensen } 448188eea45cSKlaus Jensen 44825f4eb94dSGollu Appalanaidu if (attached) { 44835f4eb94dSGollu Appalanaidu if (nsid == NVME_NSID_BROADCAST) { 44845f4eb94dSGollu Appalanaidu return NVME_INVALID_FIELD | NVME_DNR; 44855f4eb94dSGollu Appalanaidu } 44865f4eb94dSGollu Appalanaidu 44875f4eb94dSGollu Appalanaidu ns = nvme_subsys_ns(n->subsys, nsid); 448888eea45cSKlaus Jensen if (!ns) { 448988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 449088eea45cSKlaus Jensen } 44915f4eb94dSGollu Appalanaidu } 449288eea45cSKlaus Jensen 449388eea45cSKlaus Jensen for (cntlid = min_id; cntlid < ARRAY_SIZE(n->subsys->ctrls); cntlid++) { 449488eea45cSKlaus Jensen ctrl = nvme_subsys_ctrl(n->subsys, cntlid); 449588eea45cSKlaus Jensen if (!ctrl) { 449688eea45cSKlaus Jensen continue; 449788eea45cSKlaus Jensen } 449888eea45cSKlaus Jensen 44995f4eb94dSGollu Appalanaidu if (attached && !nvme_ns(ctrl, nsid)) { 450088eea45cSKlaus Jensen continue; 450188eea45cSKlaus Jensen } 450288eea45cSKlaus Jensen 450388eea45cSKlaus Jensen ids[nr_ids++] = cntlid; 450488eea45cSKlaus Jensen } 450588eea45cSKlaus Jensen 450688eea45cSKlaus Jensen list[0] = nr_ids; 450788eea45cSKlaus Jensen 450888eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)list, sizeof(list), req); 450988eea45cSKlaus Jensen } 451088eea45cSKlaus Jensen 451188eea45cSKlaus Jensen static uint16_t nvme_identify_ns_csi(NvmeCtrl *n, NvmeRequest *req, 451288eea45cSKlaus Jensen bool active) 451388eea45cSKlaus Jensen { 451488eea45cSKlaus Jensen NvmeNamespace *ns; 451588eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 451688eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 451788eea45cSKlaus Jensen 451888eea45cSKlaus Jensen trace_pci_nvme_identify_ns_csi(nsid, c->csi); 451988eea45cSKlaus Jensen 452088eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 452188eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 452288eea45cSKlaus Jensen } 452388eea45cSKlaus Jensen 452488eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 452588eea45cSKlaus Jensen if (unlikely(!ns)) { 452688eea45cSKlaus Jensen if (!active) { 452788eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 452888eea45cSKlaus Jensen if (!ns) { 452988eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 453088eea45cSKlaus Jensen } 453188eea45cSKlaus Jensen } else { 453288eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 453388eea45cSKlaus Jensen } 453488eea45cSKlaus Jensen } 453588eea45cSKlaus Jensen 45363553c48fSGollu Appalanaidu if (c->csi == NVME_CSI_NVM) { 453788eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 453888eea45cSKlaus Jensen } else if (c->csi == NVME_CSI_ZONED && ns->csi == NVME_CSI_ZONED) { 453988eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)ns->id_ns_zoned, sizeof(NvmeIdNsZoned), 454088eea45cSKlaus Jensen req); 454188eea45cSKlaus Jensen } 454288eea45cSKlaus Jensen 454388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 454488eea45cSKlaus Jensen } 454588eea45cSKlaus Jensen 454688eea45cSKlaus Jensen static uint16_t nvme_identify_nslist(NvmeCtrl *n, NvmeRequest *req, 454788eea45cSKlaus Jensen bool active) 454888eea45cSKlaus Jensen { 454988eea45cSKlaus Jensen NvmeNamespace *ns; 455088eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 455188eea45cSKlaus Jensen uint32_t min_nsid = le32_to_cpu(c->nsid); 455288eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 455388eea45cSKlaus Jensen static const int data_len = sizeof(list); 455488eea45cSKlaus Jensen uint32_t *list_ptr = (uint32_t *)list; 455588eea45cSKlaus Jensen int i, j = 0; 455688eea45cSKlaus Jensen 455788eea45cSKlaus Jensen trace_pci_nvme_identify_nslist(min_nsid); 455888eea45cSKlaus Jensen 455988eea45cSKlaus Jensen /* 456088eea45cSKlaus Jensen * Both FFFFFFFFh (NVME_NSID_BROADCAST) and FFFFFFFFEh are invalid values 456188eea45cSKlaus Jensen * since the Active Namespace ID List should return namespaces with ids 456288eea45cSKlaus Jensen * *higher* than the NSID specified in the command. This is also specified 456388eea45cSKlaus Jensen * in the spec (NVM Express v1.3d, Section 5.15.4). 456488eea45cSKlaus Jensen */ 456588eea45cSKlaus Jensen if (min_nsid >= NVME_NSID_BROADCAST - 1) { 456688eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 456788eea45cSKlaus Jensen } 456888eea45cSKlaus Jensen 456988eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 457088eea45cSKlaus Jensen ns = nvme_ns(n, i); 457188eea45cSKlaus Jensen if (!ns) { 457288eea45cSKlaus Jensen if (!active) { 457388eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, i); 457488eea45cSKlaus Jensen if (!ns) { 457588eea45cSKlaus Jensen continue; 457688eea45cSKlaus Jensen } 457788eea45cSKlaus Jensen } else { 457888eea45cSKlaus Jensen continue; 457988eea45cSKlaus Jensen } 458088eea45cSKlaus Jensen } 458188eea45cSKlaus Jensen if (ns->params.nsid <= min_nsid) { 458288eea45cSKlaus Jensen continue; 458388eea45cSKlaus Jensen } 458488eea45cSKlaus Jensen list_ptr[j++] = cpu_to_le32(ns->params.nsid); 458588eea45cSKlaus Jensen if (j == data_len / sizeof(uint32_t)) { 458688eea45cSKlaus Jensen break; 458788eea45cSKlaus Jensen } 458888eea45cSKlaus Jensen } 458988eea45cSKlaus Jensen 459088eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 459188eea45cSKlaus Jensen } 459288eea45cSKlaus Jensen 459388eea45cSKlaus Jensen static uint16_t nvme_identify_nslist_csi(NvmeCtrl *n, NvmeRequest *req, 459488eea45cSKlaus Jensen bool active) 459588eea45cSKlaus Jensen { 459688eea45cSKlaus Jensen NvmeNamespace *ns; 459788eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 459888eea45cSKlaus Jensen uint32_t min_nsid = le32_to_cpu(c->nsid); 459988eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 460088eea45cSKlaus Jensen static const int data_len = sizeof(list); 460188eea45cSKlaus Jensen uint32_t *list_ptr = (uint32_t *)list; 460288eea45cSKlaus Jensen int i, j = 0; 460388eea45cSKlaus Jensen 460488eea45cSKlaus Jensen trace_pci_nvme_identify_nslist_csi(min_nsid, c->csi); 460588eea45cSKlaus Jensen 460688eea45cSKlaus Jensen /* 460788eea45cSKlaus Jensen * Same as in nvme_identify_nslist(), FFFFFFFFh/FFFFFFFFEh are invalid. 460888eea45cSKlaus Jensen */ 460988eea45cSKlaus Jensen if (min_nsid >= NVME_NSID_BROADCAST - 1) { 461088eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 461188eea45cSKlaus Jensen } 461288eea45cSKlaus Jensen 461388eea45cSKlaus Jensen if (c->csi != NVME_CSI_NVM && c->csi != NVME_CSI_ZONED) { 461488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 461588eea45cSKlaus Jensen } 461688eea45cSKlaus Jensen 461788eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 461888eea45cSKlaus Jensen ns = nvme_ns(n, i); 461988eea45cSKlaus Jensen if (!ns) { 462088eea45cSKlaus Jensen if (!active) { 462188eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, i); 462288eea45cSKlaus Jensen if (!ns) { 462388eea45cSKlaus Jensen continue; 462488eea45cSKlaus Jensen } 462588eea45cSKlaus Jensen } else { 462688eea45cSKlaus Jensen continue; 462788eea45cSKlaus Jensen } 462888eea45cSKlaus Jensen } 462988eea45cSKlaus Jensen if (ns->params.nsid <= min_nsid || c->csi != ns->csi) { 463088eea45cSKlaus Jensen continue; 463188eea45cSKlaus Jensen } 463288eea45cSKlaus Jensen list_ptr[j++] = cpu_to_le32(ns->params.nsid); 463388eea45cSKlaus Jensen if (j == data_len / sizeof(uint32_t)) { 463488eea45cSKlaus Jensen break; 463588eea45cSKlaus Jensen } 463688eea45cSKlaus Jensen } 463788eea45cSKlaus Jensen 463888eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 463988eea45cSKlaus Jensen } 464088eea45cSKlaus Jensen 464188eea45cSKlaus Jensen static uint16_t nvme_identify_ns_descr_list(NvmeCtrl *n, NvmeRequest *req) 464288eea45cSKlaus Jensen { 464388eea45cSKlaus Jensen NvmeNamespace *ns; 464488eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 464588eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 464688eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 46476870cfb8SHeinrich Schuchardt uint8_t *pos = list; 464888eea45cSKlaus Jensen struct { 464988eea45cSKlaus Jensen NvmeIdNsDescr hdr; 465088eea45cSKlaus Jensen uint8_t v[NVME_NIDL_UUID]; 46516870cfb8SHeinrich Schuchardt } QEMU_PACKED uuid; 46526870cfb8SHeinrich Schuchardt struct { 46536870cfb8SHeinrich Schuchardt NvmeIdNsDescr hdr; 46546870cfb8SHeinrich Schuchardt uint64_t v; 46556870cfb8SHeinrich Schuchardt } QEMU_PACKED eui64; 465688eea45cSKlaus Jensen struct { 465788eea45cSKlaus Jensen NvmeIdNsDescr hdr; 465888eea45cSKlaus Jensen uint8_t v; 46596870cfb8SHeinrich Schuchardt } QEMU_PACKED csi; 466088eea45cSKlaus Jensen 466188eea45cSKlaus Jensen trace_pci_nvme_identify_ns_descr_list(nsid); 466288eea45cSKlaus Jensen 466388eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 466488eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 466588eea45cSKlaus Jensen } 466688eea45cSKlaus Jensen 466788eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 466888eea45cSKlaus Jensen if (unlikely(!ns)) { 466988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 467088eea45cSKlaus Jensen } 467188eea45cSKlaus Jensen 467288eea45cSKlaus Jensen /* 46736870cfb8SHeinrich Schuchardt * If the EUI-64 field is 0 and the NGUID field is 0, the namespace must 46746870cfb8SHeinrich Schuchardt * provide a valid Namespace UUID in the Namespace Identification Descriptor 46756870cfb8SHeinrich Schuchardt * data structure. QEMU does not yet support setting NGUID. 467688eea45cSKlaus Jensen */ 46776870cfb8SHeinrich Schuchardt uuid.hdr.nidt = NVME_NIDT_UUID; 46786870cfb8SHeinrich Schuchardt uuid.hdr.nidl = NVME_NIDL_UUID; 46796870cfb8SHeinrich Schuchardt memcpy(uuid.v, ns->params.uuid.data, NVME_NIDL_UUID); 46806870cfb8SHeinrich Schuchardt memcpy(pos, &uuid, sizeof(uuid)); 46816870cfb8SHeinrich Schuchardt pos += sizeof(uuid); 468288eea45cSKlaus Jensen 46836870cfb8SHeinrich Schuchardt if (ns->params.eui64) { 46846870cfb8SHeinrich Schuchardt eui64.hdr.nidt = NVME_NIDT_EUI64; 46856870cfb8SHeinrich Schuchardt eui64.hdr.nidl = NVME_NIDL_EUI64; 46866870cfb8SHeinrich Schuchardt eui64.v = cpu_to_be64(ns->params.eui64); 46876870cfb8SHeinrich Schuchardt memcpy(pos, &eui64, sizeof(eui64)); 46886870cfb8SHeinrich Schuchardt pos += sizeof(eui64); 46896870cfb8SHeinrich Schuchardt } 46906870cfb8SHeinrich Schuchardt 46916870cfb8SHeinrich Schuchardt csi.hdr.nidt = NVME_NIDT_CSI; 46926870cfb8SHeinrich Schuchardt csi.hdr.nidl = NVME_NIDL_CSI; 46936870cfb8SHeinrich Schuchardt csi.v = ns->csi; 46946870cfb8SHeinrich Schuchardt memcpy(pos, &csi, sizeof(csi)); 46956870cfb8SHeinrich Schuchardt pos += sizeof(csi); 469688eea45cSKlaus Jensen 469788eea45cSKlaus Jensen return nvme_c2h(n, list, sizeof(list), req); 469888eea45cSKlaus Jensen } 469988eea45cSKlaus Jensen 470088eea45cSKlaus Jensen static uint16_t nvme_identify_cmd_set(NvmeCtrl *n, NvmeRequest *req) 470188eea45cSKlaus Jensen { 470288eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 470388eea45cSKlaus Jensen static const int data_len = sizeof(list); 470488eea45cSKlaus Jensen 470588eea45cSKlaus Jensen trace_pci_nvme_identify_cmd_set(); 470688eea45cSKlaus Jensen 470788eea45cSKlaus Jensen NVME_SET_CSI(*list, NVME_CSI_NVM); 470888eea45cSKlaus Jensen NVME_SET_CSI(*list, NVME_CSI_ZONED); 470988eea45cSKlaus Jensen 471088eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 471188eea45cSKlaus Jensen } 471288eea45cSKlaus Jensen 471388eea45cSKlaus Jensen static uint16_t nvme_identify(NvmeCtrl *n, NvmeRequest *req) 471488eea45cSKlaus Jensen { 471588eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 471688eea45cSKlaus Jensen 471788eea45cSKlaus Jensen trace_pci_nvme_identify(nvme_cid(req), c->cns, le16_to_cpu(c->ctrlid), 471888eea45cSKlaus Jensen c->csi); 471988eea45cSKlaus Jensen 472088eea45cSKlaus Jensen switch (c->cns) { 472188eea45cSKlaus Jensen case NVME_ID_CNS_NS: 472288eea45cSKlaus Jensen return nvme_identify_ns(n, req, true); 472388eea45cSKlaus Jensen case NVME_ID_CNS_NS_PRESENT: 472488eea45cSKlaus Jensen return nvme_identify_ns(n, req, false); 472588eea45cSKlaus Jensen case NVME_ID_CNS_NS_ATTACHED_CTRL_LIST: 47265f4eb94dSGollu Appalanaidu return nvme_identify_ctrl_list(n, req, true); 47275f4eb94dSGollu Appalanaidu case NVME_ID_CNS_CTRL_LIST: 47285f4eb94dSGollu Appalanaidu return nvme_identify_ctrl_list(n, req, false); 472988eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS: 473088eea45cSKlaus Jensen return nvme_identify_ns_csi(n, req, true); 473188eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_PRESENT: 473288eea45cSKlaus Jensen return nvme_identify_ns_csi(n, req, false); 473388eea45cSKlaus Jensen case NVME_ID_CNS_CTRL: 473488eea45cSKlaus Jensen return nvme_identify_ctrl(n, req); 473588eea45cSKlaus Jensen case NVME_ID_CNS_CS_CTRL: 473688eea45cSKlaus Jensen return nvme_identify_ctrl_csi(n, req); 473788eea45cSKlaus Jensen case NVME_ID_CNS_NS_ACTIVE_LIST: 473888eea45cSKlaus Jensen return nvme_identify_nslist(n, req, true); 473988eea45cSKlaus Jensen case NVME_ID_CNS_NS_PRESENT_LIST: 474088eea45cSKlaus Jensen return nvme_identify_nslist(n, req, false); 474188eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_ACTIVE_LIST: 474288eea45cSKlaus Jensen return nvme_identify_nslist_csi(n, req, true); 474388eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_PRESENT_LIST: 474488eea45cSKlaus Jensen return nvme_identify_nslist_csi(n, req, false); 474588eea45cSKlaus Jensen case NVME_ID_CNS_NS_DESCR_LIST: 474688eea45cSKlaus Jensen return nvme_identify_ns_descr_list(n, req); 474788eea45cSKlaus Jensen case NVME_ID_CNS_IO_COMMAND_SET: 474888eea45cSKlaus Jensen return nvme_identify_cmd_set(n, req); 474988eea45cSKlaus Jensen default: 475088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_identify_cns(le32_to_cpu(c->cns)); 475188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 475288eea45cSKlaus Jensen } 475388eea45cSKlaus Jensen } 475488eea45cSKlaus Jensen 475588eea45cSKlaus Jensen static uint16_t nvme_abort(NvmeCtrl *n, NvmeRequest *req) 475688eea45cSKlaus Jensen { 475788eea45cSKlaus Jensen uint16_t sqid = le32_to_cpu(req->cmd.cdw10) & 0xffff; 475888eea45cSKlaus Jensen 475988eea45cSKlaus Jensen req->cqe.result = 1; 476088eea45cSKlaus Jensen if (nvme_check_sqid(n, sqid)) { 476188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 476288eea45cSKlaus Jensen } 476388eea45cSKlaus Jensen 476488eea45cSKlaus Jensen return NVME_SUCCESS; 476588eea45cSKlaus Jensen } 476688eea45cSKlaus Jensen 476788eea45cSKlaus Jensen static inline void nvme_set_timestamp(NvmeCtrl *n, uint64_t ts) 476888eea45cSKlaus Jensen { 476988eea45cSKlaus Jensen trace_pci_nvme_setfeat_timestamp(ts); 477088eea45cSKlaus Jensen 477188eea45cSKlaus Jensen n->host_timestamp = le64_to_cpu(ts); 477288eea45cSKlaus Jensen n->timestamp_set_qemu_clock_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 477388eea45cSKlaus Jensen } 477488eea45cSKlaus Jensen 477588eea45cSKlaus Jensen static inline uint64_t nvme_get_timestamp(const NvmeCtrl *n) 477688eea45cSKlaus Jensen { 477788eea45cSKlaus Jensen uint64_t current_time = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 477888eea45cSKlaus Jensen uint64_t elapsed_time = current_time - n->timestamp_set_qemu_clock_ms; 477988eea45cSKlaus Jensen 478088eea45cSKlaus Jensen union nvme_timestamp { 478188eea45cSKlaus Jensen struct { 478288eea45cSKlaus Jensen uint64_t timestamp:48; 478388eea45cSKlaus Jensen uint64_t sync:1; 478488eea45cSKlaus Jensen uint64_t origin:3; 478588eea45cSKlaus Jensen uint64_t rsvd1:12; 478688eea45cSKlaus Jensen }; 478788eea45cSKlaus Jensen uint64_t all; 478888eea45cSKlaus Jensen }; 478988eea45cSKlaus Jensen 479088eea45cSKlaus Jensen union nvme_timestamp ts; 479188eea45cSKlaus Jensen ts.all = 0; 479288eea45cSKlaus Jensen ts.timestamp = n->host_timestamp + elapsed_time; 479388eea45cSKlaus Jensen 479488eea45cSKlaus Jensen /* If the host timestamp is non-zero, set the timestamp origin */ 479588eea45cSKlaus Jensen ts.origin = n->host_timestamp ? 0x01 : 0x00; 479688eea45cSKlaus Jensen 479788eea45cSKlaus Jensen trace_pci_nvme_getfeat_timestamp(ts.all); 479888eea45cSKlaus Jensen 479988eea45cSKlaus Jensen return cpu_to_le64(ts.all); 480088eea45cSKlaus Jensen } 480188eea45cSKlaus Jensen 480288eea45cSKlaus Jensen static uint16_t nvme_get_feature_timestamp(NvmeCtrl *n, NvmeRequest *req) 480388eea45cSKlaus Jensen { 480488eea45cSKlaus Jensen uint64_t timestamp = nvme_get_timestamp(n); 480588eea45cSKlaus Jensen 480688eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)×tamp, sizeof(timestamp), req); 480788eea45cSKlaus Jensen } 480888eea45cSKlaus Jensen 480988eea45cSKlaus Jensen static uint16_t nvme_get_feature(NvmeCtrl *n, NvmeRequest *req) 481088eea45cSKlaus Jensen { 481188eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 481288eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 481388eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 481488eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(cmd->nsid); 481588eea45cSKlaus Jensen uint32_t result; 481688eea45cSKlaus Jensen uint8_t fid = NVME_GETSETFEAT_FID(dw10); 481788eea45cSKlaus Jensen NvmeGetFeatureSelect sel = NVME_GETFEAT_SELECT(dw10); 481888eea45cSKlaus Jensen uint16_t iv; 481988eea45cSKlaus Jensen NvmeNamespace *ns; 482088eea45cSKlaus Jensen int i; 482188eea45cSKlaus Jensen 482288eea45cSKlaus Jensen static const uint32_t nvme_feature_default[NVME_FID_MAX] = { 482388eea45cSKlaus Jensen [NVME_ARBITRATION] = NVME_ARB_AB_NOLIMIT, 482488eea45cSKlaus Jensen }; 482588eea45cSKlaus Jensen 482688eea45cSKlaus Jensen trace_pci_nvme_getfeat(nvme_cid(req), nsid, fid, sel, dw11); 482788eea45cSKlaus Jensen 482888eea45cSKlaus Jensen if (!nvme_feature_support[fid]) { 482988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 483088eea45cSKlaus Jensen } 483188eea45cSKlaus Jensen 483288eea45cSKlaus Jensen if (nvme_feature_cap[fid] & NVME_FEAT_CAP_NS) { 483388eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 483488eea45cSKlaus Jensen /* 483588eea45cSKlaus Jensen * The Reservation Notification Mask and Reservation Persistence 483688eea45cSKlaus Jensen * features require a status code of Invalid Field in Command when 483788eea45cSKlaus Jensen * NSID is FFFFFFFFh. Since the device does not support those 483888eea45cSKlaus Jensen * features we can always return Invalid Namespace or Format as we 483988eea45cSKlaus Jensen * should do for all other features. 484088eea45cSKlaus Jensen */ 484188eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 484288eea45cSKlaus Jensen } 484388eea45cSKlaus Jensen 484488eea45cSKlaus Jensen if (!nvme_ns(n, nsid)) { 484588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 484688eea45cSKlaus Jensen } 484788eea45cSKlaus Jensen } 484888eea45cSKlaus Jensen 484988eea45cSKlaus Jensen switch (sel) { 485088eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_CURRENT: 485188eea45cSKlaus Jensen break; 485288eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_SAVED: 485388eea45cSKlaus Jensen /* no features are saveable by the controller; fallthrough */ 485488eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_DEFAULT: 485588eea45cSKlaus Jensen goto defaults; 485688eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_CAP: 485788eea45cSKlaus Jensen result = nvme_feature_cap[fid]; 485888eea45cSKlaus Jensen goto out; 485988eea45cSKlaus Jensen } 486088eea45cSKlaus Jensen 486188eea45cSKlaus Jensen switch (fid) { 486288eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 486388eea45cSKlaus Jensen result = 0; 486488eea45cSKlaus Jensen 486588eea45cSKlaus Jensen /* 486688eea45cSKlaus Jensen * The controller only implements the Composite Temperature sensor, so 486788eea45cSKlaus Jensen * return 0 for all other sensors. 486888eea45cSKlaus Jensen */ 486988eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 487088eea45cSKlaus Jensen goto out; 487188eea45cSKlaus Jensen } 487288eea45cSKlaus Jensen 487388eea45cSKlaus Jensen switch (NVME_TEMP_THSEL(dw11)) { 487488eea45cSKlaus Jensen case NVME_TEMP_THSEL_OVER: 487588eea45cSKlaus Jensen result = n->features.temp_thresh_hi; 487688eea45cSKlaus Jensen goto out; 487788eea45cSKlaus Jensen case NVME_TEMP_THSEL_UNDER: 487888eea45cSKlaus Jensen result = n->features.temp_thresh_low; 487988eea45cSKlaus Jensen goto out; 488088eea45cSKlaus Jensen } 488188eea45cSKlaus Jensen 488288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 488388eea45cSKlaus Jensen case NVME_ERROR_RECOVERY: 488488eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 488588eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 488688eea45cSKlaus Jensen } 488788eea45cSKlaus Jensen 488888eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 488988eea45cSKlaus Jensen if (unlikely(!ns)) { 489088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 489188eea45cSKlaus Jensen } 489288eea45cSKlaus Jensen 489388eea45cSKlaus Jensen result = ns->features.err_rec; 489488eea45cSKlaus Jensen goto out; 489588eea45cSKlaus Jensen case NVME_VOLATILE_WRITE_CACHE: 489688eea45cSKlaus Jensen result = 0; 489788eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 489888eea45cSKlaus Jensen ns = nvme_ns(n, i); 489988eea45cSKlaus Jensen if (!ns) { 490088eea45cSKlaus Jensen continue; 490188eea45cSKlaus Jensen } 490288eea45cSKlaus Jensen 490388eea45cSKlaus Jensen result = blk_enable_write_cache(ns->blkconf.blk); 490488eea45cSKlaus Jensen if (result) { 490588eea45cSKlaus Jensen break; 490688eea45cSKlaus Jensen } 490788eea45cSKlaus Jensen } 490888eea45cSKlaus Jensen trace_pci_nvme_getfeat_vwcache(result ? "enabled" : "disabled"); 490988eea45cSKlaus Jensen goto out; 491088eea45cSKlaus Jensen case NVME_ASYNCHRONOUS_EVENT_CONF: 491188eea45cSKlaus Jensen result = n->features.async_config; 491288eea45cSKlaus Jensen goto out; 491388eea45cSKlaus Jensen case NVME_TIMESTAMP: 491488eea45cSKlaus Jensen return nvme_get_feature_timestamp(n, req); 491588eea45cSKlaus Jensen default: 491688eea45cSKlaus Jensen break; 491788eea45cSKlaus Jensen } 491888eea45cSKlaus Jensen 491988eea45cSKlaus Jensen defaults: 492088eea45cSKlaus Jensen switch (fid) { 492188eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 492288eea45cSKlaus Jensen result = 0; 492388eea45cSKlaus Jensen 492488eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 492588eea45cSKlaus Jensen break; 492688eea45cSKlaus Jensen } 492788eea45cSKlaus Jensen 492888eea45cSKlaus Jensen if (NVME_TEMP_THSEL(dw11) == NVME_TEMP_THSEL_OVER) { 492988eea45cSKlaus Jensen result = NVME_TEMPERATURE_WARNING; 493088eea45cSKlaus Jensen } 493188eea45cSKlaus Jensen 493288eea45cSKlaus Jensen break; 493388eea45cSKlaus Jensen case NVME_NUMBER_OF_QUEUES: 493488eea45cSKlaus Jensen result = (n->params.max_ioqpairs - 1) | 493588eea45cSKlaus Jensen ((n->params.max_ioqpairs - 1) << 16); 493688eea45cSKlaus Jensen trace_pci_nvme_getfeat_numq(result); 493788eea45cSKlaus Jensen break; 493888eea45cSKlaus Jensen case NVME_INTERRUPT_VECTOR_CONF: 493988eea45cSKlaus Jensen iv = dw11 & 0xffff; 494088eea45cSKlaus Jensen if (iv >= n->params.max_ioqpairs + 1) { 494188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 494288eea45cSKlaus Jensen } 494388eea45cSKlaus Jensen 494488eea45cSKlaus Jensen result = iv; 494588eea45cSKlaus Jensen if (iv == n->admin_cq.vector) { 494688eea45cSKlaus Jensen result |= NVME_INTVC_NOCOALESCING; 494788eea45cSKlaus Jensen } 494888eea45cSKlaus Jensen break; 494988eea45cSKlaus Jensen default: 495088eea45cSKlaus Jensen result = nvme_feature_default[fid]; 495188eea45cSKlaus Jensen break; 495288eea45cSKlaus Jensen } 495388eea45cSKlaus Jensen 495488eea45cSKlaus Jensen out: 495588eea45cSKlaus Jensen req->cqe.result = cpu_to_le32(result); 495688eea45cSKlaus Jensen return NVME_SUCCESS; 495788eea45cSKlaus Jensen } 495888eea45cSKlaus Jensen 495988eea45cSKlaus Jensen static uint16_t nvme_set_feature_timestamp(NvmeCtrl *n, NvmeRequest *req) 496088eea45cSKlaus Jensen { 496188eea45cSKlaus Jensen uint16_t ret; 496288eea45cSKlaus Jensen uint64_t timestamp; 496388eea45cSKlaus Jensen 496488eea45cSKlaus Jensen ret = nvme_h2c(n, (uint8_t *)×tamp, sizeof(timestamp), req); 496588eea45cSKlaus Jensen if (ret) { 496688eea45cSKlaus Jensen return ret; 496788eea45cSKlaus Jensen } 496888eea45cSKlaus Jensen 496988eea45cSKlaus Jensen nvme_set_timestamp(n, timestamp); 497088eea45cSKlaus Jensen 497188eea45cSKlaus Jensen return NVME_SUCCESS; 497288eea45cSKlaus Jensen } 497388eea45cSKlaus Jensen 497488eea45cSKlaus Jensen static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeRequest *req) 497588eea45cSKlaus Jensen { 497688eea45cSKlaus Jensen NvmeNamespace *ns = NULL; 497788eea45cSKlaus Jensen 497888eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 497988eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 498088eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 498188eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(cmd->nsid); 498288eea45cSKlaus Jensen uint8_t fid = NVME_GETSETFEAT_FID(dw10); 498388eea45cSKlaus Jensen uint8_t save = NVME_SETFEAT_SAVE(dw10); 498488eea45cSKlaus Jensen int i; 498588eea45cSKlaus Jensen 498688eea45cSKlaus Jensen trace_pci_nvme_setfeat(nvme_cid(req), nsid, fid, save, dw11); 498788eea45cSKlaus Jensen 498888eea45cSKlaus Jensen if (save && !(nvme_feature_cap[fid] & NVME_FEAT_CAP_SAVE)) { 498988eea45cSKlaus Jensen return NVME_FID_NOT_SAVEABLE | NVME_DNR; 499088eea45cSKlaus Jensen } 499188eea45cSKlaus Jensen 499288eea45cSKlaus Jensen if (!nvme_feature_support[fid]) { 499388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 499488eea45cSKlaus Jensen } 499588eea45cSKlaus Jensen 499688eea45cSKlaus Jensen if (nvme_feature_cap[fid] & NVME_FEAT_CAP_NS) { 499788eea45cSKlaus Jensen if (nsid != NVME_NSID_BROADCAST) { 499888eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 499988eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 500088eea45cSKlaus Jensen } 500188eea45cSKlaus Jensen 500288eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 500388eea45cSKlaus Jensen if (unlikely(!ns)) { 500488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 500588eea45cSKlaus Jensen } 500688eea45cSKlaus Jensen } 500788eea45cSKlaus Jensen } else if (nsid && nsid != NVME_NSID_BROADCAST) { 500888eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 500988eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 501088eea45cSKlaus Jensen } 501188eea45cSKlaus Jensen 501288eea45cSKlaus Jensen return NVME_FEAT_NOT_NS_SPEC | NVME_DNR; 501388eea45cSKlaus Jensen } 501488eea45cSKlaus Jensen 501588eea45cSKlaus Jensen if (!(nvme_feature_cap[fid] & NVME_FEAT_CAP_CHANGE)) { 501688eea45cSKlaus Jensen return NVME_FEAT_NOT_CHANGEABLE | NVME_DNR; 501788eea45cSKlaus Jensen } 501888eea45cSKlaus Jensen 501988eea45cSKlaus Jensen switch (fid) { 502088eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 502188eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 502288eea45cSKlaus Jensen break; 502388eea45cSKlaus Jensen } 502488eea45cSKlaus Jensen 502588eea45cSKlaus Jensen switch (NVME_TEMP_THSEL(dw11)) { 502688eea45cSKlaus Jensen case NVME_TEMP_THSEL_OVER: 502788eea45cSKlaus Jensen n->features.temp_thresh_hi = NVME_TEMP_TMPTH(dw11); 502888eea45cSKlaus Jensen break; 502988eea45cSKlaus Jensen case NVME_TEMP_THSEL_UNDER: 503088eea45cSKlaus Jensen n->features.temp_thresh_low = NVME_TEMP_TMPTH(dw11); 503188eea45cSKlaus Jensen break; 503288eea45cSKlaus Jensen default: 503388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 503488eea45cSKlaus Jensen } 503588eea45cSKlaus Jensen 503688eea45cSKlaus Jensen if ((n->temperature >= n->features.temp_thresh_hi) || 503788eea45cSKlaus Jensen (n->temperature <= n->features.temp_thresh_low)) { 503888eea45cSKlaus Jensen nvme_smart_event(n, NVME_AER_INFO_SMART_TEMP_THRESH); 503988eea45cSKlaus Jensen } 504088eea45cSKlaus Jensen 504188eea45cSKlaus Jensen break; 504288eea45cSKlaus Jensen case NVME_ERROR_RECOVERY: 504388eea45cSKlaus Jensen if (nsid == NVME_NSID_BROADCAST) { 504488eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 504588eea45cSKlaus Jensen ns = nvme_ns(n, i); 504688eea45cSKlaus Jensen 504788eea45cSKlaus Jensen if (!ns) { 504888eea45cSKlaus Jensen continue; 504988eea45cSKlaus Jensen } 505088eea45cSKlaus Jensen 505188eea45cSKlaus Jensen if (NVME_ID_NS_NSFEAT_DULBE(ns->id_ns.nsfeat)) { 505288eea45cSKlaus Jensen ns->features.err_rec = dw11; 505388eea45cSKlaus Jensen } 505488eea45cSKlaus Jensen } 505588eea45cSKlaus Jensen 505688eea45cSKlaus Jensen break; 505788eea45cSKlaus Jensen } 505888eea45cSKlaus Jensen 505988eea45cSKlaus Jensen assert(ns); 506088eea45cSKlaus Jensen if (NVME_ID_NS_NSFEAT_DULBE(ns->id_ns.nsfeat)) { 506188eea45cSKlaus Jensen ns->features.err_rec = dw11; 506288eea45cSKlaus Jensen } 506388eea45cSKlaus Jensen break; 506488eea45cSKlaus Jensen case NVME_VOLATILE_WRITE_CACHE: 506588eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 506688eea45cSKlaus Jensen ns = nvme_ns(n, i); 506788eea45cSKlaus Jensen if (!ns) { 506888eea45cSKlaus Jensen continue; 506988eea45cSKlaus Jensen } 507088eea45cSKlaus Jensen 507188eea45cSKlaus Jensen if (!(dw11 & 0x1) && blk_enable_write_cache(ns->blkconf.blk)) { 507288eea45cSKlaus Jensen blk_flush(ns->blkconf.blk); 507388eea45cSKlaus Jensen } 507488eea45cSKlaus Jensen 507588eea45cSKlaus Jensen blk_set_enable_write_cache(ns->blkconf.blk, dw11 & 1); 507688eea45cSKlaus Jensen } 507788eea45cSKlaus Jensen 507888eea45cSKlaus Jensen break; 507988eea45cSKlaus Jensen 508088eea45cSKlaus Jensen case NVME_NUMBER_OF_QUEUES: 508188eea45cSKlaus Jensen if (n->qs_created) { 508288eea45cSKlaus Jensen return NVME_CMD_SEQ_ERROR | NVME_DNR; 508388eea45cSKlaus Jensen } 508488eea45cSKlaus Jensen 508588eea45cSKlaus Jensen /* 508688eea45cSKlaus Jensen * NVMe v1.3, Section 5.21.1.7: FFFFh is not an allowed value for NCQR 508788eea45cSKlaus Jensen * and NSQR. 508888eea45cSKlaus Jensen */ 508988eea45cSKlaus Jensen if ((dw11 & 0xffff) == 0xffff || ((dw11 >> 16) & 0xffff) == 0xffff) { 509088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 509188eea45cSKlaus Jensen } 509288eea45cSKlaus Jensen 509388eea45cSKlaus Jensen trace_pci_nvme_setfeat_numq((dw11 & 0xffff) + 1, 509488eea45cSKlaus Jensen ((dw11 >> 16) & 0xffff) + 1, 509588eea45cSKlaus Jensen n->params.max_ioqpairs, 509688eea45cSKlaus Jensen n->params.max_ioqpairs); 509788eea45cSKlaus Jensen req->cqe.result = cpu_to_le32((n->params.max_ioqpairs - 1) | 509888eea45cSKlaus Jensen ((n->params.max_ioqpairs - 1) << 16)); 509988eea45cSKlaus Jensen break; 510088eea45cSKlaus Jensen case NVME_ASYNCHRONOUS_EVENT_CONF: 510188eea45cSKlaus Jensen n->features.async_config = dw11; 510288eea45cSKlaus Jensen break; 510388eea45cSKlaus Jensen case NVME_TIMESTAMP: 510488eea45cSKlaus Jensen return nvme_set_feature_timestamp(n, req); 510588eea45cSKlaus Jensen case NVME_COMMAND_SET_PROFILE: 510688eea45cSKlaus Jensen if (dw11 & 0x1ff) { 510788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_iocsci(dw11 & 0x1ff); 510888eea45cSKlaus Jensen return NVME_CMD_SET_CMB_REJECTED | NVME_DNR; 510988eea45cSKlaus Jensen } 511088eea45cSKlaus Jensen break; 511188eea45cSKlaus Jensen default: 511288eea45cSKlaus Jensen return NVME_FEAT_NOT_CHANGEABLE | NVME_DNR; 511388eea45cSKlaus Jensen } 511488eea45cSKlaus Jensen return NVME_SUCCESS; 511588eea45cSKlaus Jensen } 511688eea45cSKlaus Jensen 511788eea45cSKlaus Jensen static uint16_t nvme_aer(NvmeCtrl *n, NvmeRequest *req) 511888eea45cSKlaus Jensen { 511988eea45cSKlaus Jensen trace_pci_nvme_aer(nvme_cid(req)); 512088eea45cSKlaus Jensen 512188eea45cSKlaus Jensen if (n->outstanding_aers > n->params.aerl) { 512288eea45cSKlaus Jensen trace_pci_nvme_aer_aerl_exceeded(); 512388eea45cSKlaus Jensen return NVME_AER_LIMIT_EXCEEDED; 512488eea45cSKlaus Jensen } 512588eea45cSKlaus Jensen 512688eea45cSKlaus Jensen n->aer_reqs[n->outstanding_aers] = req; 512788eea45cSKlaus Jensen n->outstanding_aers++; 512888eea45cSKlaus Jensen 512988eea45cSKlaus Jensen if (!QTAILQ_EMPTY(&n->aer_queue)) { 513088eea45cSKlaus Jensen nvme_process_aers(n); 513188eea45cSKlaus Jensen } 513288eea45cSKlaus Jensen 513388eea45cSKlaus Jensen return NVME_NO_COMPLETE; 513488eea45cSKlaus Jensen } 513588eea45cSKlaus Jensen 513688eea45cSKlaus Jensen static void nvme_update_dmrsl(NvmeCtrl *n) 513788eea45cSKlaus Jensen { 513888eea45cSKlaus Jensen int nsid; 513988eea45cSKlaus Jensen 514088eea45cSKlaus Jensen for (nsid = 1; nsid <= NVME_MAX_NAMESPACES; nsid++) { 514188eea45cSKlaus Jensen NvmeNamespace *ns = nvme_ns(n, nsid); 514288eea45cSKlaus Jensen if (!ns) { 514388eea45cSKlaus Jensen continue; 514488eea45cSKlaus Jensen } 514588eea45cSKlaus Jensen 514688eea45cSKlaus Jensen n->dmrsl = MIN_NON_ZERO(n->dmrsl, 514788eea45cSKlaus Jensen BDRV_REQUEST_MAX_BYTES / nvme_l2b(ns, 1)); 514888eea45cSKlaus Jensen } 514988eea45cSKlaus Jensen } 515088eea45cSKlaus Jensen 515188eea45cSKlaus Jensen static void nvme_select_iocs_ns(NvmeCtrl *n, NvmeNamespace *ns) 515288eea45cSKlaus Jensen { 515388eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_none; 515488eea45cSKlaus Jensen switch (ns->csi) { 515588eea45cSKlaus Jensen case NVME_CSI_NVM: 515688eea45cSKlaus Jensen if (NVME_CC_CSS(n->bar.cc) != NVME_CC_CSS_ADMIN_ONLY) { 515788eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_nvm; 515888eea45cSKlaus Jensen } 515988eea45cSKlaus Jensen break; 516088eea45cSKlaus Jensen case NVME_CSI_ZONED: 516188eea45cSKlaus Jensen if (NVME_CC_CSS(n->bar.cc) == NVME_CC_CSS_CSI) { 516288eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_zoned; 516388eea45cSKlaus Jensen } else if (NVME_CC_CSS(n->bar.cc) == NVME_CC_CSS_NVM) { 516488eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_nvm; 516588eea45cSKlaus Jensen } 516688eea45cSKlaus Jensen break; 516788eea45cSKlaus Jensen } 516888eea45cSKlaus Jensen } 516988eea45cSKlaus Jensen 517088eea45cSKlaus Jensen static uint16_t nvme_ns_attachment(NvmeCtrl *n, NvmeRequest *req) 517188eea45cSKlaus Jensen { 517288eea45cSKlaus Jensen NvmeNamespace *ns; 517388eea45cSKlaus Jensen NvmeCtrl *ctrl; 517488eea45cSKlaus Jensen uint16_t list[NVME_CONTROLLER_LIST_SIZE] = {}; 517588eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 517688eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 517788eea45cSKlaus Jensen bool attach = !(dw10 & 0xf); 517888eea45cSKlaus Jensen uint16_t *nr_ids = &list[0]; 517988eea45cSKlaus Jensen uint16_t *ids = &list[1]; 518088eea45cSKlaus Jensen uint16_t ret; 518188eea45cSKlaus Jensen int i; 518288eea45cSKlaus Jensen 518388eea45cSKlaus Jensen trace_pci_nvme_ns_attachment(nvme_cid(req), dw10 & 0xf); 518488eea45cSKlaus Jensen 518588eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 518688eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 518788eea45cSKlaus Jensen } 518888eea45cSKlaus Jensen 518988eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 519088eea45cSKlaus Jensen if (!ns) { 519188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 519288eea45cSKlaus Jensen } 519388eea45cSKlaus Jensen 519488eea45cSKlaus Jensen ret = nvme_h2c(n, (uint8_t *)list, 4096, req); 519588eea45cSKlaus Jensen if (ret) { 519688eea45cSKlaus Jensen return ret; 519788eea45cSKlaus Jensen } 519888eea45cSKlaus Jensen 519988eea45cSKlaus Jensen if (!*nr_ids) { 520088eea45cSKlaus Jensen return NVME_NS_CTRL_LIST_INVALID | NVME_DNR; 520188eea45cSKlaus Jensen } 520288eea45cSKlaus Jensen 520388eea45cSKlaus Jensen *nr_ids = MIN(*nr_ids, NVME_CONTROLLER_LIST_SIZE - 1); 520488eea45cSKlaus Jensen for (i = 0; i < *nr_ids; i++) { 520588eea45cSKlaus Jensen ctrl = nvme_subsys_ctrl(n->subsys, ids[i]); 520688eea45cSKlaus Jensen if (!ctrl) { 520788eea45cSKlaus Jensen return NVME_NS_CTRL_LIST_INVALID | NVME_DNR; 520888eea45cSKlaus Jensen } 520988eea45cSKlaus Jensen 521088eea45cSKlaus Jensen if (attach) { 521188eea45cSKlaus Jensen if (nvme_ns(ctrl, nsid)) { 521288eea45cSKlaus Jensen return NVME_NS_ALREADY_ATTACHED | NVME_DNR; 521388eea45cSKlaus Jensen } 521488eea45cSKlaus Jensen 521588eea45cSKlaus Jensen if (ns->attached && !ns->params.shared) { 521688eea45cSKlaus Jensen return NVME_NS_PRIVATE | NVME_DNR; 521788eea45cSKlaus Jensen } 521888eea45cSKlaus Jensen 521988eea45cSKlaus Jensen nvme_attach_ns(ctrl, ns); 522088eea45cSKlaus Jensen nvme_select_iocs_ns(ctrl, ns); 522188eea45cSKlaus Jensen } else { 522288eea45cSKlaus Jensen if (!nvme_ns(ctrl, nsid)) { 522388eea45cSKlaus Jensen return NVME_NS_NOT_ATTACHED | NVME_DNR; 522488eea45cSKlaus Jensen } 522588eea45cSKlaus Jensen 522688eea45cSKlaus Jensen ctrl->namespaces[nsid] = NULL; 522788eea45cSKlaus Jensen ns->attached--; 522888eea45cSKlaus Jensen 522988eea45cSKlaus Jensen nvme_update_dmrsl(ctrl); 523088eea45cSKlaus Jensen } 523188eea45cSKlaus Jensen 523288eea45cSKlaus Jensen /* 523388eea45cSKlaus Jensen * Add namespace id to the changed namespace id list for event clearing 523488eea45cSKlaus Jensen * via Get Log Page command. 523588eea45cSKlaus Jensen */ 523688eea45cSKlaus Jensen if (!test_and_set_bit(nsid, ctrl->changed_nsids)) { 523788eea45cSKlaus Jensen nvme_enqueue_event(ctrl, NVME_AER_TYPE_NOTICE, 523888eea45cSKlaus Jensen NVME_AER_INFO_NOTICE_NS_ATTR_CHANGED, 523988eea45cSKlaus Jensen NVME_LOG_CHANGED_NSLIST); 524088eea45cSKlaus Jensen } 524188eea45cSKlaus Jensen } 524288eea45cSKlaus Jensen 524388eea45cSKlaus Jensen return NVME_SUCCESS; 524488eea45cSKlaus Jensen } 524588eea45cSKlaus Jensen 52463bcf26d3SKlaus Jensen typedef struct NvmeFormatAIOCB { 52473bcf26d3SKlaus Jensen BlockAIOCB common; 52483bcf26d3SKlaus Jensen BlockAIOCB *aiocb; 52493bcf26d3SKlaus Jensen QEMUBH *bh; 52503bcf26d3SKlaus Jensen NvmeRequest *req; 52513bcf26d3SKlaus Jensen int ret; 525288eea45cSKlaus Jensen 52533bcf26d3SKlaus Jensen NvmeNamespace *ns; 52543bcf26d3SKlaus Jensen uint32_t nsid; 52553bcf26d3SKlaus Jensen bool broadcast; 52563bcf26d3SKlaus Jensen int64_t offset; 52573bcf26d3SKlaus Jensen } NvmeFormatAIOCB; 52583bcf26d3SKlaus Jensen 52593bcf26d3SKlaus Jensen static void nvme_format_bh(void *opaque); 52603bcf26d3SKlaus Jensen 52613bcf26d3SKlaus Jensen static void nvme_format_cancel(BlockAIOCB *aiocb) 52623bcf26d3SKlaus Jensen { 52633bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = container_of(aiocb, NvmeFormatAIOCB, common); 52643bcf26d3SKlaus Jensen 52653bcf26d3SKlaus Jensen if (iocb->aiocb) { 52663bcf26d3SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 52673bcf26d3SKlaus Jensen } 52683bcf26d3SKlaus Jensen } 52693bcf26d3SKlaus Jensen 52703bcf26d3SKlaus Jensen static const AIOCBInfo nvme_format_aiocb_info = { 52713bcf26d3SKlaus Jensen .aiocb_size = sizeof(NvmeFormatAIOCB), 52723bcf26d3SKlaus Jensen .cancel_async = nvme_format_cancel, 52733bcf26d3SKlaus Jensen .get_aio_context = nvme_get_aio_context, 52743bcf26d3SKlaus Jensen }; 52753bcf26d3SKlaus Jensen 52763bcf26d3SKlaus Jensen static void nvme_format_set(NvmeNamespace *ns, NvmeCmd *cmd) 52773bcf26d3SKlaus Jensen { 52783bcf26d3SKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 52793bcf26d3SKlaus Jensen uint8_t lbaf = dw10 & 0xf; 52803bcf26d3SKlaus Jensen uint8_t pi = (dw10 >> 5) & 0x7; 52813bcf26d3SKlaus Jensen uint8_t mset = (dw10 >> 4) & 0x1; 52823bcf26d3SKlaus Jensen uint8_t pil = (dw10 >> 8) & 0x1; 52833bcf26d3SKlaus Jensen 52843bcf26d3SKlaus Jensen trace_pci_nvme_format_set(ns->params.nsid, lbaf, mset, pi, pil); 52853bcf26d3SKlaus Jensen 52863bcf26d3SKlaus Jensen ns->id_ns.dps = (pil << 3) | pi; 52873bcf26d3SKlaus Jensen ns->id_ns.flbas = lbaf | (mset << 4); 52883bcf26d3SKlaus Jensen 52893bcf26d3SKlaus Jensen nvme_ns_init_format(ns); 52903bcf26d3SKlaus Jensen } 52913bcf26d3SKlaus Jensen 52923bcf26d3SKlaus Jensen static void nvme_format_ns_cb(void *opaque, int ret) 52933bcf26d3SKlaus Jensen { 52943bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = opaque; 52953bcf26d3SKlaus Jensen NvmeRequest *req = iocb->req; 52963bcf26d3SKlaus Jensen NvmeNamespace *ns = iocb->ns; 52973bcf26d3SKlaus Jensen int bytes; 52983bcf26d3SKlaus Jensen 52993bcf26d3SKlaus Jensen if (ret < 0) { 53003bcf26d3SKlaus Jensen iocb->ret = ret; 53013bcf26d3SKlaus Jensen goto done; 53023bcf26d3SKlaus Jensen } 53033bcf26d3SKlaus Jensen 53043bcf26d3SKlaus Jensen assert(ns); 53053bcf26d3SKlaus Jensen 53063bcf26d3SKlaus Jensen if (iocb->offset < ns->size) { 53073bcf26d3SKlaus Jensen bytes = MIN(BDRV_REQUEST_MAX_BYTES, ns->size - iocb->offset); 53083bcf26d3SKlaus Jensen 53093bcf26d3SKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, iocb->offset, 53103bcf26d3SKlaus Jensen bytes, BDRV_REQ_MAY_UNMAP, 53113bcf26d3SKlaus Jensen nvme_format_ns_cb, iocb); 53123bcf26d3SKlaus Jensen 53133bcf26d3SKlaus Jensen iocb->offset += bytes; 53143bcf26d3SKlaus Jensen return; 53153bcf26d3SKlaus Jensen } 53163bcf26d3SKlaus Jensen 53173bcf26d3SKlaus Jensen nvme_format_set(ns, &req->cmd); 53183bcf26d3SKlaus Jensen ns->status = 0x0; 53193bcf26d3SKlaus Jensen iocb->ns = NULL; 53203bcf26d3SKlaus Jensen iocb->offset = 0; 53213bcf26d3SKlaus Jensen 53223bcf26d3SKlaus Jensen done: 53233bcf26d3SKlaus Jensen iocb->aiocb = NULL; 53243bcf26d3SKlaus Jensen qemu_bh_schedule(iocb->bh); 53253bcf26d3SKlaus Jensen } 53263bcf26d3SKlaus Jensen 53273bcf26d3SKlaus Jensen static uint16_t nvme_format_check(NvmeNamespace *ns, uint8_t lbaf, uint8_t pi) 53283bcf26d3SKlaus Jensen { 532988eea45cSKlaus Jensen if (ns->params.zoned) { 533088eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 533188eea45cSKlaus Jensen } 533288eea45cSKlaus Jensen 533388eea45cSKlaus Jensen if (lbaf > ns->id_ns.nlbaf) { 533488eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 533588eea45cSKlaus Jensen } 533688eea45cSKlaus Jensen 53373bcf26d3SKlaus Jensen if (pi && (ns->id_ns.lbaf[lbaf].ms < sizeof(NvmeDifTuple))) { 533888eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 533988eea45cSKlaus Jensen } 534088eea45cSKlaus Jensen 534188eea45cSKlaus Jensen if (pi && pi > NVME_ID_NS_DPS_TYPE_3) { 534288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 534388eea45cSKlaus Jensen } 534488eea45cSKlaus Jensen 534588eea45cSKlaus Jensen return NVME_SUCCESS; 534688eea45cSKlaus Jensen } 534788eea45cSKlaus Jensen 53483bcf26d3SKlaus Jensen static void nvme_format_bh(void *opaque) 534988eea45cSKlaus Jensen { 53503bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = opaque; 53513bcf26d3SKlaus Jensen NvmeRequest *req = iocb->req; 53523bcf26d3SKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 535388eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 535488eea45cSKlaus Jensen uint8_t lbaf = dw10 & 0xf; 535588eea45cSKlaus Jensen uint8_t pi = (dw10 >> 5) & 0x7; 535688eea45cSKlaus Jensen uint16_t status; 535788eea45cSKlaus Jensen int i; 535888eea45cSKlaus Jensen 53593bcf26d3SKlaus Jensen if (iocb->ret < 0) { 53603bcf26d3SKlaus Jensen goto done; 536188eea45cSKlaus Jensen } 536288eea45cSKlaus Jensen 53633bcf26d3SKlaus Jensen if (iocb->broadcast) { 53643bcf26d3SKlaus Jensen for (i = iocb->nsid + 1; i <= NVME_MAX_NAMESPACES; i++) { 53653bcf26d3SKlaus Jensen iocb->ns = nvme_ns(n, i); 53663bcf26d3SKlaus Jensen if (iocb->ns) { 53673bcf26d3SKlaus Jensen iocb->nsid = i; 536888eea45cSKlaus Jensen break; 536988eea45cSKlaus Jensen } 537088eea45cSKlaus Jensen } 537188eea45cSKlaus Jensen } 537288eea45cSKlaus Jensen 53733bcf26d3SKlaus Jensen if (!iocb->ns) { 53743bcf26d3SKlaus Jensen goto done; 537588eea45cSKlaus Jensen } 537688eea45cSKlaus Jensen 53773bcf26d3SKlaus Jensen status = nvme_format_check(iocb->ns, lbaf, pi); 53783bcf26d3SKlaus Jensen if (status) { 53793bcf26d3SKlaus Jensen req->status = status; 53803bcf26d3SKlaus Jensen goto done; 53813bcf26d3SKlaus Jensen } 53823bcf26d3SKlaus Jensen 53833bcf26d3SKlaus Jensen iocb->ns->status = NVME_FORMAT_IN_PROGRESS; 53843bcf26d3SKlaus Jensen nvme_format_ns_cb(iocb, 0); 53853bcf26d3SKlaus Jensen return; 53863bcf26d3SKlaus Jensen 53873bcf26d3SKlaus Jensen done: 53883bcf26d3SKlaus Jensen qemu_bh_delete(iocb->bh); 53893bcf26d3SKlaus Jensen iocb->bh = NULL; 53903bcf26d3SKlaus Jensen 53913bcf26d3SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 53923bcf26d3SKlaus Jensen 53933bcf26d3SKlaus Jensen qemu_aio_unref(iocb); 53943bcf26d3SKlaus Jensen } 53953bcf26d3SKlaus Jensen 53963bcf26d3SKlaus Jensen static uint16_t nvme_format(NvmeCtrl *n, NvmeRequest *req) 53973bcf26d3SKlaus Jensen { 53983bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb; 53993bcf26d3SKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 54003bcf26d3SKlaus Jensen uint16_t status; 54013bcf26d3SKlaus Jensen 54023bcf26d3SKlaus Jensen iocb = qemu_aio_get(&nvme_format_aiocb_info, NULL, nvme_misc_cb, req); 54033bcf26d3SKlaus Jensen 54043bcf26d3SKlaus Jensen iocb->req = req; 54053bcf26d3SKlaus Jensen iocb->bh = qemu_bh_new(nvme_format_bh, iocb); 54063bcf26d3SKlaus Jensen iocb->ret = 0; 54073bcf26d3SKlaus Jensen iocb->ns = NULL; 54083bcf26d3SKlaus Jensen iocb->nsid = 0; 54093bcf26d3SKlaus Jensen iocb->broadcast = (nsid == NVME_NSID_BROADCAST); 54103bcf26d3SKlaus Jensen iocb->offset = 0; 54113bcf26d3SKlaus Jensen 54123bcf26d3SKlaus Jensen if (!iocb->broadcast) { 54133bcf26d3SKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 54143bcf26d3SKlaus Jensen status = NVME_INVALID_NSID | NVME_DNR; 54153bcf26d3SKlaus Jensen goto out; 54163bcf26d3SKlaus Jensen } 54173bcf26d3SKlaus Jensen 54183bcf26d3SKlaus Jensen iocb->ns = nvme_ns(n, nsid); 54193bcf26d3SKlaus Jensen if (!iocb->ns) { 54203bcf26d3SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 54213bcf26d3SKlaus Jensen goto out; 54223bcf26d3SKlaus Jensen } 54233bcf26d3SKlaus Jensen } 54243bcf26d3SKlaus Jensen 54253bcf26d3SKlaus Jensen req->aiocb = &iocb->common; 54263bcf26d3SKlaus Jensen qemu_bh_schedule(iocb->bh); 54273bcf26d3SKlaus Jensen 54283bcf26d3SKlaus Jensen return NVME_NO_COMPLETE; 54293bcf26d3SKlaus Jensen 54303bcf26d3SKlaus Jensen out: 54313bcf26d3SKlaus Jensen qemu_bh_delete(iocb->bh); 54323bcf26d3SKlaus Jensen iocb->bh = NULL; 54333bcf26d3SKlaus Jensen qemu_aio_unref(iocb); 54343bcf26d3SKlaus Jensen return status; 543588eea45cSKlaus Jensen } 543688eea45cSKlaus Jensen 543788eea45cSKlaus Jensen static uint16_t nvme_admin_cmd(NvmeCtrl *n, NvmeRequest *req) 543888eea45cSKlaus Jensen { 543988eea45cSKlaus Jensen trace_pci_nvme_admin_cmd(nvme_cid(req), nvme_sqid(req), req->cmd.opcode, 544088eea45cSKlaus Jensen nvme_adm_opc_str(req->cmd.opcode)); 544188eea45cSKlaus Jensen 544288eea45cSKlaus Jensen if (!(nvme_cse_acs[req->cmd.opcode] & NVME_CMD_EFF_CSUPP)) { 544388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_admin_opc(req->cmd.opcode); 544488eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 544588eea45cSKlaus Jensen } 544688eea45cSKlaus Jensen 544788eea45cSKlaus Jensen /* SGLs shall not be used for Admin commands in NVMe over PCIe */ 544888eea45cSKlaus Jensen if (NVME_CMD_FLAGS_PSDT(req->cmd.flags) != NVME_PSDT_PRP) { 544988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 545088eea45cSKlaus Jensen } 545188eea45cSKlaus Jensen 545288eea45cSKlaus Jensen switch (req->cmd.opcode) { 545388eea45cSKlaus Jensen case NVME_ADM_CMD_DELETE_SQ: 545488eea45cSKlaus Jensen return nvme_del_sq(n, req); 545588eea45cSKlaus Jensen case NVME_ADM_CMD_CREATE_SQ: 545688eea45cSKlaus Jensen return nvme_create_sq(n, req); 545788eea45cSKlaus Jensen case NVME_ADM_CMD_GET_LOG_PAGE: 545888eea45cSKlaus Jensen return nvme_get_log(n, req); 545988eea45cSKlaus Jensen case NVME_ADM_CMD_DELETE_CQ: 546088eea45cSKlaus Jensen return nvme_del_cq(n, req); 546188eea45cSKlaus Jensen case NVME_ADM_CMD_CREATE_CQ: 546288eea45cSKlaus Jensen return nvme_create_cq(n, req); 546388eea45cSKlaus Jensen case NVME_ADM_CMD_IDENTIFY: 546488eea45cSKlaus Jensen return nvme_identify(n, req); 546588eea45cSKlaus Jensen case NVME_ADM_CMD_ABORT: 546688eea45cSKlaus Jensen return nvme_abort(n, req); 546788eea45cSKlaus Jensen case NVME_ADM_CMD_SET_FEATURES: 546888eea45cSKlaus Jensen return nvme_set_feature(n, req); 546988eea45cSKlaus Jensen case NVME_ADM_CMD_GET_FEATURES: 547088eea45cSKlaus Jensen return nvme_get_feature(n, req); 547188eea45cSKlaus Jensen case NVME_ADM_CMD_ASYNC_EV_REQ: 547288eea45cSKlaus Jensen return nvme_aer(n, req); 547388eea45cSKlaus Jensen case NVME_ADM_CMD_NS_ATTACHMENT: 547488eea45cSKlaus Jensen return nvme_ns_attachment(n, req); 547588eea45cSKlaus Jensen case NVME_ADM_CMD_FORMAT_NVM: 547688eea45cSKlaus Jensen return nvme_format(n, req); 547788eea45cSKlaus Jensen default: 547888eea45cSKlaus Jensen assert(false); 547988eea45cSKlaus Jensen } 548088eea45cSKlaus Jensen 548188eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 548288eea45cSKlaus Jensen } 548388eea45cSKlaus Jensen 548488eea45cSKlaus Jensen static void nvme_process_sq(void *opaque) 548588eea45cSKlaus Jensen { 548688eea45cSKlaus Jensen NvmeSQueue *sq = opaque; 548788eea45cSKlaus Jensen NvmeCtrl *n = sq->ctrl; 548888eea45cSKlaus Jensen NvmeCQueue *cq = n->cq[sq->cqid]; 548988eea45cSKlaus Jensen 549088eea45cSKlaus Jensen uint16_t status; 549188eea45cSKlaus Jensen hwaddr addr; 549288eea45cSKlaus Jensen NvmeCmd cmd; 549388eea45cSKlaus Jensen NvmeRequest *req; 549488eea45cSKlaus Jensen 549588eea45cSKlaus Jensen while (!(nvme_sq_empty(sq) || QTAILQ_EMPTY(&sq->req_list))) { 549688eea45cSKlaus Jensen addr = sq->dma_addr + sq->head * n->sqe_size; 549788eea45cSKlaus Jensen if (nvme_addr_read(n, addr, (void *)&cmd, sizeof(cmd))) { 549888eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 549988eea45cSKlaus Jensen trace_pci_nvme_err_cfs(); 550088eea45cSKlaus Jensen n->bar.csts = NVME_CSTS_FAILED; 550188eea45cSKlaus Jensen break; 550288eea45cSKlaus Jensen } 550388eea45cSKlaus Jensen nvme_inc_sq_head(sq); 550488eea45cSKlaus Jensen 550588eea45cSKlaus Jensen req = QTAILQ_FIRST(&sq->req_list); 550688eea45cSKlaus Jensen QTAILQ_REMOVE(&sq->req_list, req, entry); 550788eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->out_req_list, req, entry); 550888eea45cSKlaus Jensen nvme_req_clear(req); 550988eea45cSKlaus Jensen req->cqe.cid = cmd.cid; 551088eea45cSKlaus Jensen memcpy(&req->cmd, &cmd, sizeof(NvmeCmd)); 551188eea45cSKlaus Jensen 551288eea45cSKlaus Jensen status = sq->sqid ? nvme_io_cmd(n, req) : 551388eea45cSKlaus Jensen nvme_admin_cmd(n, req); 551488eea45cSKlaus Jensen if (status != NVME_NO_COMPLETE) { 551588eea45cSKlaus Jensen req->status = status; 551688eea45cSKlaus Jensen nvme_enqueue_req_completion(cq, req); 551788eea45cSKlaus Jensen } 551888eea45cSKlaus Jensen } 551988eea45cSKlaus Jensen } 552088eea45cSKlaus Jensen 552188eea45cSKlaus Jensen static void nvme_ctrl_reset(NvmeCtrl *n) 552288eea45cSKlaus Jensen { 552388eea45cSKlaus Jensen NvmeNamespace *ns; 552488eea45cSKlaus Jensen int i; 552588eea45cSKlaus Jensen 552688eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 552788eea45cSKlaus Jensen ns = nvme_ns(n, i); 552888eea45cSKlaus Jensen if (!ns) { 552988eea45cSKlaus Jensen continue; 553088eea45cSKlaus Jensen } 553188eea45cSKlaus Jensen 553288eea45cSKlaus Jensen nvme_ns_drain(ns); 553388eea45cSKlaus Jensen } 553488eea45cSKlaus Jensen 553588eea45cSKlaus Jensen for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 553688eea45cSKlaus Jensen if (n->sq[i] != NULL) { 553788eea45cSKlaus Jensen nvme_free_sq(n->sq[i], n); 553888eea45cSKlaus Jensen } 553988eea45cSKlaus Jensen } 554088eea45cSKlaus Jensen for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 554188eea45cSKlaus Jensen if (n->cq[i] != NULL) { 554288eea45cSKlaus Jensen nvme_free_cq(n->cq[i], n); 554388eea45cSKlaus Jensen } 554488eea45cSKlaus Jensen } 554588eea45cSKlaus Jensen 554688eea45cSKlaus Jensen while (!QTAILQ_EMPTY(&n->aer_queue)) { 554788eea45cSKlaus Jensen NvmeAsyncEvent *event = QTAILQ_FIRST(&n->aer_queue); 554888eea45cSKlaus Jensen QTAILQ_REMOVE(&n->aer_queue, event, entry); 554988eea45cSKlaus Jensen g_free(event); 555088eea45cSKlaus Jensen } 555188eea45cSKlaus Jensen 555288eea45cSKlaus Jensen n->aer_queued = 0; 555388eea45cSKlaus Jensen n->outstanding_aers = 0; 555488eea45cSKlaus Jensen n->qs_created = false; 555588eea45cSKlaus Jensen 555688eea45cSKlaus Jensen n->bar.cc = 0; 555788eea45cSKlaus Jensen } 555888eea45cSKlaus Jensen 555988eea45cSKlaus Jensen static void nvme_ctrl_shutdown(NvmeCtrl *n) 556088eea45cSKlaus Jensen { 556188eea45cSKlaus Jensen NvmeNamespace *ns; 556288eea45cSKlaus Jensen int i; 556388eea45cSKlaus Jensen 556488eea45cSKlaus Jensen if (n->pmr.dev) { 556588eea45cSKlaus Jensen memory_region_msync(&n->pmr.dev->mr, 0, n->pmr.dev->size); 556688eea45cSKlaus Jensen } 556788eea45cSKlaus Jensen 556888eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 556988eea45cSKlaus Jensen ns = nvme_ns(n, i); 557088eea45cSKlaus Jensen if (!ns) { 557188eea45cSKlaus Jensen continue; 557288eea45cSKlaus Jensen } 557388eea45cSKlaus Jensen 557488eea45cSKlaus Jensen nvme_ns_shutdown(ns); 557588eea45cSKlaus Jensen } 557688eea45cSKlaus Jensen } 557788eea45cSKlaus Jensen 557888eea45cSKlaus Jensen static void nvme_select_iocs(NvmeCtrl *n) 557988eea45cSKlaus Jensen { 558088eea45cSKlaus Jensen NvmeNamespace *ns; 558188eea45cSKlaus Jensen int i; 558288eea45cSKlaus Jensen 558388eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 558488eea45cSKlaus Jensen ns = nvme_ns(n, i); 558588eea45cSKlaus Jensen if (!ns) { 558688eea45cSKlaus Jensen continue; 558788eea45cSKlaus Jensen } 558888eea45cSKlaus Jensen 558988eea45cSKlaus Jensen nvme_select_iocs_ns(n, ns); 559088eea45cSKlaus Jensen } 559188eea45cSKlaus Jensen } 559288eea45cSKlaus Jensen 559388eea45cSKlaus Jensen static int nvme_start_ctrl(NvmeCtrl *n) 559488eea45cSKlaus Jensen { 559588eea45cSKlaus Jensen uint32_t page_bits = NVME_CC_MPS(n->bar.cc) + 12; 559688eea45cSKlaus Jensen uint32_t page_size = 1 << page_bits; 559788eea45cSKlaus Jensen 559888eea45cSKlaus Jensen if (unlikely(n->cq[0])) { 559988eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cq(); 560088eea45cSKlaus Jensen return -1; 560188eea45cSKlaus Jensen } 560288eea45cSKlaus Jensen if (unlikely(n->sq[0])) { 560388eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sq(); 560488eea45cSKlaus Jensen return -1; 560588eea45cSKlaus Jensen } 560688eea45cSKlaus Jensen if (unlikely(!n->bar.asq)) { 560788eea45cSKlaus Jensen trace_pci_nvme_err_startfail_nbarasq(); 560888eea45cSKlaus Jensen return -1; 560988eea45cSKlaus Jensen } 561088eea45cSKlaus Jensen if (unlikely(!n->bar.acq)) { 561188eea45cSKlaus Jensen trace_pci_nvme_err_startfail_nbaracq(); 561288eea45cSKlaus Jensen return -1; 561388eea45cSKlaus Jensen } 561488eea45cSKlaus Jensen if (unlikely(n->bar.asq & (page_size - 1))) { 561588eea45cSKlaus Jensen trace_pci_nvme_err_startfail_asq_misaligned(n->bar.asq); 561688eea45cSKlaus Jensen return -1; 561788eea45cSKlaus Jensen } 561888eea45cSKlaus Jensen if (unlikely(n->bar.acq & (page_size - 1))) { 561988eea45cSKlaus Jensen trace_pci_nvme_err_startfail_acq_misaligned(n->bar.acq); 562088eea45cSKlaus Jensen return -1; 562188eea45cSKlaus Jensen } 562288eea45cSKlaus Jensen if (unlikely(!(NVME_CAP_CSS(n->bar.cap) & (1 << NVME_CC_CSS(n->bar.cc))))) { 562388eea45cSKlaus Jensen trace_pci_nvme_err_startfail_css(NVME_CC_CSS(n->bar.cc)); 562488eea45cSKlaus Jensen return -1; 562588eea45cSKlaus Jensen } 562688eea45cSKlaus Jensen if (unlikely(NVME_CC_MPS(n->bar.cc) < 562788eea45cSKlaus Jensen NVME_CAP_MPSMIN(n->bar.cap))) { 562888eea45cSKlaus Jensen trace_pci_nvme_err_startfail_page_too_small( 562988eea45cSKlaus Jensen NVME_CC_MPS(n->bar.cc), 563088eea45cSKlaus Jensen NVME_CAP_MPSMIN(n->bar.cap)); 563188eea45cSKlaus Jensen return -1; 563288eea45cSKlaus Jensen } 563388eea45cSKlaus Jensen if (unlikely(NVME_CC_MPS(n->bar.cc) > 563488eea45cSKlaus Jensen NVME_CAP_MPSMAX(n->bar.cap))) { 563588eea45cSKlaus Jensen trace_pci_nvme_err_startfail_page_too_large( 563688eea45cSKlaus Jensen NVME_CC_MPS(n->bar.cc), 563788eea45cSKlaus Jensen NVME_CAP_MPSMAX(n->bar.cap)); 563888eea45cSKlaus Jensen return -1; 563988eea45cSKlaus Jensen } 564088eea45cSKlaus Jensen if (unlikely(NVME_CC_IOCQES(n->bar.cc) < 564188eea45cSKlaus Jensen NVME_CTRL_CQES_MIN(n->id_ctrl.cqes))) { 564288eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cqent_too_small( 564388eea45cSKlaus Jensen NVME_CC_IOCQES(n->bar.cc), 564488eea45cSKlaus Jensen NVME_CTRL_CQES_MIN(n->bar.cap)); 564588eea45cSKlaus Jensen return -1; 564688eea45cSKlaus Jensen } 564788eea45cSKlaus Jensen if (unlikely(NVME_CC_IOCQES(n->bar.cc) > 564888eea45cSKlaus Jensen NVME_CTRL_CQES_MAX(n->id_ctrl.cqes))) { 564988eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cqent_too_large( 565088eea45cSKlaus Jensen NVME_CC_IOCQES(n->bar.cc), 565188eea45cSKlaus Jensen NVME_CTRL_CQES_MAX(n->bar.cap)); 565288eea45cSKlaus Jensen return -1; 565388eea45cSKlaus Jensen } 565488eea45cSKlaus Jensen if (unlikely(NVME_CC_IOSQES(n->bar.cc) < 565588eea45cSKlaus Jensen NVME_CTRL_SQES_MIN(n->id_ctrl.sqes))) { 565688eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sqent_too_small( 565788eea45cSKlaus Jensen NVME_CC_IOSQES(n->bar.cc), 565888eea45cSKlaus Jensen NVME_CTRL_SQES_MIN(n->bar.cap)); 565988eea45cSKlaus Jensen return -1; 566088eea45cSKlaus Jensen } 566188eea45cSKlaus Jensen if (unlikely(NVME_CC_IOSQES(n->bar.cc) > 566288eea45cSKlaus Jensen NVME_CTRL_SQES_MAX(n->id_ctrl.sqes))) { 566388eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sqent_too_large( 566488eea45cSKlaus Jensen NVME_CC_IOSQES(n->bar.cc), 566588eea45cSKlaus Jensen NVME_CTRL_SQES_MAX(n->bar.cap)); 566688eea45cSKlaus Jensen return -1; 566788eea45cSKlaus Jensen } 566888eea45cSKlaus Jensen if (unlikely(!NVME_AQA_ASQS(n->bar.aqa))) { 566988eea45cSKlaus Jensen trace_pci_nvme_err_startfail_asqent_sz_zero(); 567088eea45cSKlaus Jensen return -1; 567188eea45cSKlaus Jensen } 567288eea45cSKlaus Jensen if (unlikely(!NVME_AQA_ACQS(n->bar.aqa))) { 567388eea45cSKlaus Jensen trace_pci_nvme_err_startfail_acqent_sz_zero(); 567488eea45cSKlaus Jensen return -1; 567588eea45cSKlaus Jensen } 567688eea45cSKlaus Jensen 567788eea45cSKlaus Jensen n->page_bits = page_bits; 567888eea45cSKlaus Jensen n->page_size = page_size; 567988eea45cSKlaus Jensen n->max_prp_ents = n->page_size / sizeof(uint64_t); 568088eea45cSKlaus Jensen n->cqe_size = 1 << NVME_CC_IOCQES(n->bar.cc); 568188eea45cSKlaus Jensen n->sqe_size = 1 << NVME_CC_IOSQES(n->bar.cc); 568288eea45cSKlaus Jensen nvme_init_cq(&n->admin_cq, n, n->bar.acq, 0, 0, 568388eea45cSKlaus Jensen NVME_AQA_ACQS(n->bar.aqa) + 1, 1); 568488eea45cSKlaus Jensen nvme_init_sq(&n->admin_sq, n, n->bar.asq, 0, 0, 568588eea45cSKlaus Jensen NVME_AQA_ASQS(n->bar.aqa) + 1); 568688eea45cSKlaus Jensen 568788eea45cSKlaus Jensen nvme_set_timestamp(n, 0ULL); 568888eea45cSKlaus Jensen 568988eea45cSKlaus Jensen QTAILQ_INIT(&n->aer_queue); 569088eea45cSKlaus Jensen 569188eea45cSKlaus Jensen nvme_select_iocs(n); 569288eea45cSKlaus Jensen 569388eea45cSKlaus Jensen return 0; 569488eea45cSKlaus Jensen } 569588eea45cSKlaus Jensen 569688eea45cSKlaus Jensen static void nvme_cmb_enable_regs(NvmeCtrl *n) 569788eea45cSKlaus Jensen { 569888eea45cSKlaus Jensen NVME_CMBLOC_SET_CDPCILS(n->bar.cmbloc, 1); 569988eea45cSKlaus Jensen NVME_CMBLOC_SET_CDPMLS(n->bar.cmbloc, 1); 570088eea45cSKlaus Jensen NVME_CMBLOC_SET_BIR(n->bar.cmbloc, NVME_CMB_BIR); 570188eea45cSKlaus Jensen 570288eea45cSKlaus Jensen NVME_CMBSZ_SET_SQS(n->bar.cmbsz, 1); 570388eea45cSKlaus Jensen NVME_CMBSZ_SET_CQS(n->bar.cmbsz, 0); 570488eea45cSKlaus Jensen NVME_CMBSZ_SET_LISTS(n->bar.cmbsz, 1); 570588eea45cSKlaus Jensen NVME_CMBSZ_SET_RDS(n->bar.cmbsz, 1); 570688eea45cSKlaus Jensen NVME_CMBSZ_SET_WDS(n->bar.cmbsz, 1); 570788eea45cSKlaus Jensen NVME_CMBSZ_SET_SZU(n->bar.cmbsz, 2); /* MBs */ 570888eea45cSKlaus Jensen NVME_CMBSZ_SET_SZ(n->bar.cmbsz, n->params.cmb_size_mb); 570988eea45cSKlaus Jensen } 571088eea45cSKlaus Jensen 571188eea45cSKlaus Jensen static void nvme_write_bar(NvmeCtrl *n, hwaddr offset, uint64_t data, 571288eea45cSKlaus Jensen unsigned size) 571388eea45cSKlaus Jensen { 571488eea45cSKlaus Jensen if (unlikely(offset & (sizeof(uint32_t) - 1))) { 571588eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_misaligned32, 571688eea45cSKlaus Jensen "MMIO write not 32-bit aligned," 571788eea45cSKlaus Jensen " offset=0x%"PRIx64"", offset); 571888eea45cSKlaus Jensen /* should be ignored, fall through for now */ 571988eea45cSKlaus Jensen } 572088eea45cSKlaus Jensen 572188eea45cSKlaus Jensen if (unlikely(size < sizeof(uint32_t))) { 572288eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_toosmall, 572388eea45cSKlaus Jensen "MMIO write smaller than 32-bits," 572488eea45cSKlaus Jensen " offset=0x%"PRIx64", size=%u", 572588eea45cSKlaus Jensen offset, size); 572688eea45cSKlaus Jensen /* should be ignored, fall through for now */ 572788eea45cSKlaus Jensen } 572888eea45cSKlaus Jensen 572988eea45cSKlaus Jensen switch (offset) { 573088eea45cSKlaus Jensen case 0xc: /* INTMS */ 573188eea45cSKlaus Jensen if (unlikely(msix_enabled(&(n->parent_obj)))) { 573288eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_intmask_with_msix, 573388eea45cSKlaus Jensen "undefined access to interrupt mask set" 573488eea45cSKlaus Jensen " when MSI-X is enabled"); 573588eea45cSKlaus Jensen /* should be ignored, fall through for now */ 573688eea45cSKlaus Jensen } 573788eea45cSKlaus Jensen n->bar.intms |= data & 0xffffffff; 573888eea45cSKlaus Jensen n->bar.intmc = n->bar.intms; 573988eea45cSKlaus Jensen trace_pci_nvme_mmio_intm_set(data & 0xffffffff, n->bar.intmc); 574088eea45cSKlaus Jensen nvme_irq_check(n); 574188eea45cSKlaus Jensen break; 574288eea45cSKlaus Jensen case 0x10: /* INTMC */ 574388eea45cSKlaus Jensen if (unlikely(msix_enabled(&(n->parent_obj)))) { 574488eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_intmask_with_msix, 574588eea45cSKlaus Jensen "undefined access to interrupt mask clr" 574688eea45cSKlaus Jensen " when MSI-X is enabled"); 574788eea45cSKlaus Jensen /* should be ignored, fall through for now */ 574888eea45cSKlaus Jensen } 574988eea45cSKlaus Jensen n->bar.intms &= ~(data & 0xffffffff); 575088eea45cSKlaus Jensen n->bar.intmc = n->bar.intms; 575188eea45cSKlaus Jensen trace_pci_nvme_mmio_intm_clr(data & 0xffffffff, n->bar.intmc); 575288eea45cSKlaus Jensen nvme_irq_check(n); 575388eea45cSKlaus Jensen break; 575488eea45cSKlaus Jensen case 0x14: /* CC */ 575588eea45cSKlaus Jensen trace_pci_nvme_mmio_cfg(data & 0xffffffff); 575688eea45cSKlaus Jensen /* Windows first sends data, then sends enable bit */ 575788eea45cSKlaus Jensen if (!NVME_CC_EN(data) && !NVME_CC_EN(n->bar.cc) && 575888eea45cSKlaus Jensen !NVME_CC_SHN(data) && !NVME_CC_SHN(n->bar.cc)) 575988eea45cSKlaus Jensen { 576088eea45cSKlaus Jensen n->bar.cc = data; 576188eea45cSKlaus Jensen } 576288eea45cSKlaus Jensen 576388eea45cSKlaus Jensen if (NVME_CC_EN(data) && !NVME_CC_EN(n->bar.cc)) { 576488eea45cSKlaus Jensen n->bar.cc = data; 576588eea45cSKlaus Jensen if (unlikely(nvme_start_ctrl(n))) { 576688eea45cSKlaus Jensen trace_pci_nvme_err_startfail(); 576788eea45cSKlaus Jensen n->bar.csts = NVME_CSTS_FAILED; 576888eea45cSKlaus Jensen } else { 576988eea45cSKlaus Jensen trace_pci_nvme_mmio_start_success(); 577088eea45cSKlaus Jensen n->bar.csts = NVME_CSTS_READY; 577188eea45cSKlaus Jensen } 577288eea45cSKlaus Jensen } else if (!NVME_CC_EN(data) && NVME_CC_EN(n->bar.cc)) { 577388eea45cSKlaus Jensen trace_pci_nvme_mmio_stopped(); 577488eea45cSKlaus Jensen nvme_ctrl_reset(n); 577588eea45cSKlaus Jensen n->bar.csts &= ~NVME_CSTS_READY; 577688eea45cSKlaus Jensen } 577788eea45cSKlaus Jensen if (NVME_CC_SHN(data) && !(NVME_CC_SHN(n->bar.cc))) { 577888eea45cSKlaus Jensen trace_pci_nvme_mmio_shutdown_set(); 577988eea45cSKlaus Jensen nvme_ctrl_shutdown(n); 578088eea45cSKlaus Jensen n->bar.cc = data; 578188eea45cSKlaus Jensen n->bar.csts |= NVME_CSTS_SHST_COMPLETE; 578288eea45cSKlaus Jensen } else if (!NVME_CC_SHN(data) && NVME_CC_SHN(n->bar.cc)) { 578388eea45cSKlaus Jensen trace_pci_nvme_mmio_shutdown_cleared(); 578488eea45cSKlaus Jensen n->bar.csts &= ~NVME_CSTS_SHST_COMPLETE; 578588eea45cSKlaus Jensen n->bar.cc = data; 578688eea45cSKlaus Jensen } 578788eea45cSKlaus Jensen break; 578888eea45cSKlaus Jensen case 0x1c: /* CSTS */ 578988eea45cSKlaus Jensen if (data & (1 << 4)) { 579088eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_ssreset_w1c_unsupported, 579188eea45cSKlaus Jensen "attempted to W1C CSTS.NSSRO" 579288eea45cSKlaus Jensen " but CAP.NSSRS is zero (not supported)"); 579388eea45cSKlaus Jensen } else if (data != 0) { 579488eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_ro_csts, 579588eea45cSKlaus Jensen "attempted to set a read only bit" 579688eea45cSKlaus Jensen " of controller status"); 579788eea45cSKlaus Jensen } 579888eea45cSKlaus Jensen break; 579988eea45cSKlaus Jensen case 0x20: /* NSSR */ 580088eea45cSKlaus Jensen if (data == 0x4e564d65) { 580188eea45cSKlaus Jensen trace_pci_nvme_ub_mmiowr_ssreset_unsupported(); 580288eea45cSKlaus Jensen } else { 580388eea45cSKlaus Jensen /* The spec says that writes of other values have no effect */ 580488eea45cSKlaus Jensen return; 580588eea45cSKlaus Jensen } 580688eea45cSKlaus Jensen break; 580788eea45cSKlaus Jensen case 0x24: /* AQA */ 580888eea45cSKlaus Jensen n->bar.aqa = data & 0xffffffff; 580988eea45cSKlaus Jensen trace_pci_nvme_mmio_aqattr(data & 0xffffffff); 581088eea45cSKlaus Jensen break; 581188eea45cSKlaus Jensen case 0x28: /* ASQ */ 581288eea45cSKlaus Jensen n->bar.asq = size == 8 ? data : 581388eea45cSKlaus Jensen (n->bar.asq & ~0xffffffffULL) | (data & 0xffffffff); 581488eea45cSKlaus Jensen trace_pci_nvme_mmio_asqaddr(data); 581588eea45cSKlaus Jensen break; 581688eea45cSKlaus Jensen case 0x2c: /* ASQ hi */ 581788eea45cSKlaus Jensen n->bar.asq = (n->bar.asq & 0xffffffff) | (data << 32); 581888eea45cSKlaus Jensen trace_pci_nvme_mmio_asqaddr_hi(data, n->bar.asq); 581988eea45cSKlaus Jensen break; 582088eea45cSKlaus Jensen case 0x30: /* ACQ */ 582188eea45cSKlaus Jensen trace_pci_nvme_mmio_acqaddr(data); 582288eea45cSKlaus Jensen n->bar.acq = size == 8 ? data : 582388eea45cSKlaus Jensen (n->bar.acq & ~0xffffffffULL) | (data & 0xffffffff); 582488eea45cSKlaus Jensen break; 582588eea45cSKlaus Jensen case 0x34: /* ACQ hi */ 582688eea45cSKlaus Jensen n->bar.acq = (n->bar.acq & 0xffffffff) | (data << 32); 582788eea45cSKlaus Jensen trace_pci_nvme_mmio_acqaddr_hi(data, n->bar.acq); 582888eea45cSKlaus Jensen break; 582988eea45cSKlaus Jensen case 0x38: /* CMBLOC */ 583088eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_cmbloc_reserved, 583188eea45cSKlaus Jensen "invalid write to reserved CMBLOC" 583288eea45cSKlaus Jensen " when CMBSZ is zero, ignored"); 583388eea45cSKlaus Jensen return; 583488eea45cSKlaus Jensen case 0x3C: /* CMBSZ */ 583588eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_cmbsz_readonly, 583688eea45cSKlaus Jensen "invalid write to read only CMBSZ, ignored"); 583788eea45cSKlaus Jensen return; 583888eea45cSKlaus Jensen case 0x50: /* CMBMSC */ 583988eea45cSKlaus Jensen if (!NVME_CAP_CMBS(n->bar.cap)) { 584088eea45cSKlaus Jensen return; 584188eea45cSKlaus Jensen } 584288eea45cSKlaus Jensen 584388eea45cSKlaus Jensen n->bar.cmbmsc = size == 8 ? data : 584488eea45cSKlaus Jensen (n->bar.cmbmsc & ~0xffffffff) | (data & 0xffffffff); 584588eea45cSKlaus Jensen n->cmb.cmse = false; 584688eea45cSKlaus Jensen 584788eea45cSKlaus Jensen if (NVME_CMBMSC_CRE(data)) { 584888eea45cSKlaus Jensen nvme_cmb_enable_regs(n); 584988eea45cSKlaus Jensen 585088eea45cSKlaus Jensen if (NVME_CMBMSC_CMSE(data)) { 585188eea45cSKlaus Jensen hwaddr cba = NVME_CMBMSC_CBA(data) << CMBMSC_CBA_SHIFT; 585288eea45cSKlaus Jensen if (cba + int128_get64(n->cmb.mem.size) < cba) { 585388eea45cSKlaus Jensen NVME_CMBSTS_SET_CBAI(n->bar.cmbsts, 1); 585488eea45cSKlaus Jensen return; 585588eea45cSKlaus Jensen } 585688eea45cSKlaus Jensen 585788eea45cSKlaus Jensen n->cmb.cba = cba; 585888eea45cSKlaus Jensen n->cmb.cmse = true; 585988eea45cSKlaus Jensen } 586088eea45cSKlaus Jensen } else { 586188eea45cSKlaus Jensen n->bar.cmbsz = 0; 586288eea45cSKlaus Jensen n->bar.cmbloc = 0; 586388eea45cSKlaus Jensen } 586488eea45cSKlaus Jensen 586588eea45cSKlaus Jensen return; 586688eea45cSKlaus Jensen case 0x54: /* CMBMSC hi */ 586788eea45cSKlaus Jensen n->bar.cmbmsc = (n->bar.cmbmsc & 0xffffffff) | (data << 32); 586888eea45cSKlaus Jensen return; 586988eea45cSKlaus Jensen 587088eea45cSKlaus Jensen case 0xe00: /* PMRCAP */ 587188eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrcap_readonly, 587288eea45cSKlaus Jensen "invalid write to PMRCAP register, ignored"); 587388eea45cSKlaus Jensen return; 587488eea45cSKlaus Jensen case 0xe04: /* PMRCTL */ 58752b02aabcSKlaus Jensen if (!NVME_CAP_PMRS(n->bar.cap)) { 58762b02aabcSKlaus Jensen return; 58772b02aabcSKlaus Jensen } 58782b02aabcSKlaus Jensen 587988eea45cSKlaus Jensen n->bar.pmrctl = data; 588088eea45cSKlaus Jensen if (NVME_PMRCTL_EN(data)) { 588188eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, true); 588288eea45cSKlaus Jensen n->bar.pmrsts = 0; 588388eea45cSKlaus Jensen } else { 588488eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, false); 588588eea45cSKlaus Jensen NVME_PMRSTS_SET_NRDY(n->bar.pmrsts, 1); 588688eea45cSKlaus Jensen n->pmr.cmse = false; 588788eea45cSKlaus Jensen } 588888eea45cSKlaus Jensen return; 588988eea45cSKlaus Jensen case 0xe08: /* PMRSTS */ 589088eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrsts_readonly, 589188eea45cSKlaus Jensen "invalid write to PMRSTS register, ignored"); 589288eea45cSKlaus Jensen return; 589388eea45cSKlaus Jensen case 0xe0C: /* PMREBS */ 589488eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrebs_readonly, 589588eea45cSKlaus Jensen "invalid write to PMREBS register, ignored"); 589688eea45cSKlaus Jensen return; 589788eea45cSKlaus Jensen case 0xe10: /* PMRSWTP */ 589888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrswtp_readonly, 589988eea45cSKlaus Jensen "invalid write to PMRSWTP register, ignored"); 590088eea45cSKlaus Jensen return; 590188eea45cSKlaus Jensen case 0xe14: /* PMRMSCL */ 590288eea45cSKlaus Jensen if (!NVME_CAP_PMRS(n->bar.cap)) { 590388eea45cSKlaus Jensen return; 590488eea45cSKlaus Jensen } 590588eea45cSKlaus Jensen 590688eea45cSKlaus Jensen n->bar.pmrmsc = (n->bar.pmrmsc & ~0xffffffff) | (data & 0xffffffff); 590788eea45cSKlaus Jensen n->pmr.cmse = false; 590888eea45cSKlaus Jensen 590988eea45cSKlaus Jensen if (NVME_PMRMSC_CMSE(n->bar.pmrmsc)) { 591088eea45cSKlaus Jensen hwaddr cba = NVME_PMRMSC_CBA(n->bar.pmrmsc) << PMRMSC_CBA_SHIFT; 591188eea45cSKlaus Jensen if (cba + int128_get64(n->pmr.dev->mr.size) < cba) { 591288eea45cSKlaus Jensen NVME_PMRSTS_SET_CBAI(n->bar.pmrsts, 1); 591388eea45cSKlaus Jensen return; 591488eea45cSKlaus Jensen } 591588eea45cSKlaus Jensen 591688eea45cSKlaus Jensen n->pmr.cmse = true; 591788eea45cSKlaus Jensen n->pmr.cba = cba; 591888eea45cSKlaus Jensen } 591988eea45cSKlaus Jensen 592088eea45cSKlaus Jensen return; 592188eea45cSKlaus Jensen case 0xe18: /* PMRMSCU */ 592288eea45cSKlaus Jensen if (!NVME_CAP_PMRS(n->bar.cap)) { 592388eea45cSKlaus Jensen return; 592488eea45cSKlaus Jensen } 592588eea45cSKlaus Jensen 592688eea45cSKlaus Jensen n->bar.pmrmsc = (n->bar.pmrmsc & 0xffffffff) | (data << 32); 592788eea45cSKlaus Jensen return; 592888eea45cSKlaus Jensen default: 592988eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_invalid, 593088eea45cSKlaus Jensen "invalid MMIO write," 593188eea45cSKlaus Jensen " offset=0x%"PRIx64", data=%"PRIx64"", 593288eea45cSKlaus Jensen offset, data); 593388eea45cSKlaus Jensen break; 593488eea45cSKlaus Jensen } 593588eea45cSKlaus Jensen } 593688eea45cSKlaus Jensen 593788eea45cSKlaus Jensen static uint64_t nvme_mmio_read(void *opaque, hwaddr addr, unsigned size) 593888eea45cSKlaus Jensen { 593988eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 594088eea45cSKlaus Jensen uint8_t *ptr = (uint8_t *)&n->bar; 594188eea45cSKlaus Jensen uint64_t val = 0; 594288eea45cSKlaus Jensen 594388eea45cSKlaus Jensen trace_pci_nvme_mmio_read(addr, size); 594488eea45cSKlaus Jensen 594588eea45cSKlaus Jensen if (unlikely(addr & (sizeof(uint32_t) - 1))) { 594688eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_misaligned32, 594788eea45cSKlaus Jensen "MMIO read not 32-bit aligned," 594888eea45cSKlaus Jensen " offset=0x%"PRIx64"", addr); 594988eea45cSKlaus Jensen /* should RAZ, fall through for now */ 595088eea45cSKlaus Jensen } else if (unlikely(size < sizeof(uint32_t))) { 595188eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_toosmall, 595288eea45cSKlaus Jensen "MMIO read smaller than 32-bits," 595388eea45cSKlaus Jensen " offset=0x%"PRIx64"", addr); 595488eea45cSKlaus Jensen /* should RAZ, fall through for now */ 595588eea45cSKlaus Jensen } 595688eea45cSKlaus Jensen 595788eea45cSKlaus Jensen if (addr < sizeof(n->bar)) { 595888eea45cSKlaus Jensen /* 595988eea45cSKlaus Jensen * When PMRWBM bit 1 is set then read from 596088eea45cSKlaus Jensen * from PMRSTS should ensure prior writes 596188eea45cSKlaus Jensen * made it to persistent media 596288eea45cSKlaus Jensen */ 596388eea45cSKlaus Jensen if (addr == 0xe08 && 596488eea45cSKlaus Jensen (NVME_PMRCAP_PMRWBM(n->bar.pmrcap) & 0x02)) { 596588eea45cSKlaus Jensen memory_region_msync(&n->pmr.dev->mr, 0, n->pmr.dev->size); 596688eea45cSKlaus Jensen } 596788eea45cSKlaus Jensen memcpy(&val, ptr + addr, size); 596888eea45cSKlaus Jensen } else { 596988eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_invalid_ofs, 597088eea45cSKlaus Jensen "MMIO read beyond last register," 597188eea45cSKlaus Jensen " offset=0x%"PRIx64", returning 0", addr); 597288eea45cSKlaus Jensen } 597388eea45cSKlaus Jensen 597488eea45cSKlaus Jensen return val; 597588eea45cSKlaus Jensen } 597688eea45cSKlaus Jensen 597788eea45cSKlaus Jensen static void nvme_process_db(NvmeCtrl *n, hwaddr addr, int val) 597888eea45cSKlaus Jensen { 597988eea45cSKlaus Jensen uint32_t qid; 598088eea45cSKlaus Jensen 598188eea45cSKlaus Jensen if (unlikely(addr & ((1 << 2) - 1))) { 598288eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_misaligned, 598388eea45cSKlaus Jensen "doorbell write not 32-bit aligned," 598488eea45cSKlaus Jensen " offset=0x%"PRIx64", ignoring", addr); 598588eea45cSKlaus Jensen return; 598688eea45cSKlaus Jensen } 598788eea45cSKlaus Jensen 598888eea45cSKlaus Jensen if (((addr - 0x1000) >> 2) & 1) { 598988eea45cSKlaus Jensen /* Completion queue doorbell write */ 599088eea45cSKlaus Jensen 599188eea45cSKlaus Jensen uint16_t new_head = val & 0xffff; 599288eea45cSKlaus Jensen int start_sqs; 599388eea45cSKlaus Jensen NvmeCQueue *cq; 599488eea45cSKlaus Jensen 599588eea45cSKlaus Jensen qid = (addr - (0x1000 + (1 << 2))) >> 3; 599688eea45cSKlaus Jensen if (unlikely(nvme_check_cqid(n, qid))) { 599788eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_cq, 599888eea45cSKlaus Jensen "completion queue doorbell write" 599988eea45cSKlaus Jensen " for nonexistent queue," 600088eea45cSKlaus Jensen " sqid=%"PRIu32", ignoring", qid); 600188eea45cSKlaus Jensen 600288eea45cSKlaus Jensen /* 600388eea45cSKlaus Jensen * NVM Express v1.3d, Section 4.1 state: "If host software writes 600488eea45cSKlaus Jensen * an invalid value to the Submission Queue Tail Doorbell or 600588eea45cSKlaus Jensen * Completion Queue Head Doorbell regiter and an Asynchronous Event 600688eea45cSKlaus Jensen * Request command is outstanding, then an asynchronous event is 600788eea45cSKlaus Jensen * posted to the Admin Completion Queue with a status code of 600888eea45cSKlaus Jensen * Invalid Doorbell Write Value." 600988eea45cSKlaus Jensen * 601088eea45cSKlaus Jensen * Also note that the spec includes the "Invalid Doorbell Register" 601188eea45cSKlaus Jensen * status code, but nowhere does it specify when to use it. 601288eea45cSKlaus Jensen * However, it seems reasonable to use it here in a similar 601388eea45cSKlaus Jensen * fashion. 601488eea45cSKlaus Jensen */ 601588eea45cSKlaus Jensen if (n->outstanding_aers) { 601688eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 601788eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_REGISTER, 601888eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 601988eea45cSKlaus Jensen } 602088eea45cSKlaus Jensen 602188eea45cSKlaus Jensen return; 602288eea45cSKlaus Jensen } 602388eea45cSKlaus Jensen 602488eea45cSKlaus Jensen cq = n->cq[qid]; 602588eea45cSKlaus Jensen if (unlikely(new_head >= cq->size)) { 602688eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_cqhead, 602788eea45cSKlaus Jensen "completion queue doorbell write value" 602888eea45cSKlaus Jensen " beyond queue size, sqid=%"PRIu32"," 602988eea45cSKlaus Jensen " new_head=%"PRIu16", ignoring", 603088eea45cSKlaus Jensen qid, new_head); 603188eea45cSKlaus Jensen 603288eea45cSKlaus Jensen if (n->outstanding_aers) { 603388eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 603488eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_VALUE, 603588eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 603688eea45cSKlaus Jensen } 603788eea45cSKlaus Jensen 603888eea45cSKlaus Jensen return; 603988eea45cSKlaus Jensen } 604088eea45cSKlaus Jensen 604188eea45cSKlaus Jensen trace_pci_nvme_mmio_doorbell_cq(cq->cqid, new_head); 604288eea45cSKlaus Jensen 604388eea45cSKlaus Jensen start_sqs = nvme_cq_full(cq) ? 1 : 0; 604488eea45cSKlaus Jensen cq->head = new_head; 604588eea45cSKlaus Jensen if (start_sqs) { 604688eea45cSKlaus Jensen NvmeSQueue *sq; 604788eea45cSKlaus Jensen QTAILQ_FOREACH(sq, &cq->sq_list, entry) { 604888eea45cSKlaus Jensen timer_mod(sq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); 604988eea45cSKlaus Jensen } 605088eea45cSKlaus Jensen timer_mod(cq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); 605188eea45cSKlaus Jensen } 605288eea45cSKlaus Jensen 605388eea45cSKlaus Jensen if (cq->tail == cq->head) { 6054*83d7ed5cSKlaus Jensen if (cq->irq_enabled) { 6055*83d7ed5cSKlaus Jensen n->cq_pending--; 6056*83d7ed5cSKlaus Jensen } 6057*83d7ed5cSKlaus Jensen 605888eea45cSKlaus Jensen nvme_irq_deassert(n, cq); 605988eea45cSKlaus Jensen } 606088eea45cSKlaus Jensen } else { 606188eea45cSKlaus Jensen /* Submission queue doorbell write */ 606288eea45cSKlaus Jensen 606388eea45cSKlaus Jensen uint16_t new_tail = val & 0xffff; 606488eea45cSKlaus Jensen NvmeSQueue *sq; 606588eea45cSKlaus Jensen 606688eea45cSKlaus Jensen qid = (addr - 0x1000) >> 3; 606788eea45cSKlaus Jensen if (unlikely(nvme_check_sqid(n, qid))) { 606888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_sq, 606988eea45cSKlaus Jensen "submission queue doorbell write" 607088eea45cSKlaus Jensen " for nonexistent queue," 607188eea45cSKlaus Jensen " sqid=%"PRIu32", ignoring", qid); 607288eea45cSKlaus Jensen 607388eea45cSKlaus Jensen if (n->outstanding_aers) { 607488eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 607588eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_REGISTER, 607688eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 607788eea45cSKlaus Jensen } 607888eea45cSKlaus Jensen 607988eea45cSKlaus Jensen return; 608088eea45cSKlaus Jensen } 608188eea45cSKlaus Jensen 608288eea45cSKlaus Jensen sq = n->sq[qid]; 608388eea45cSKlaus Jensen if (unlikely(new_tail >= sq->size)) { 608488eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_sqtail, 608588eea45cSKlaus Jensen "submission queue doorbell write value" 608688eea45cSKlaus Jensen " beyond queue size, sqid=%"PRIu32"," 608788eea45cSKlaus Jensen " new_tail=%"PRIu16", ignoring", 608888eea45cSKlaus Jensen qid, new_tail); 608988eea45cSKlaus Jensen 609088eea45cSKlaus Jensen if (n->outstanding_aers) { 609188eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 609288eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_VALUE, 609388eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 609488eea45cSKlaus Jensen } 609588eea45cSKlaus Jensen 609688eea45cSKlaus Jensen return; 609788eea45cSKlaus Jensen } 609888eea45cSKlaus Jensen 609988eea45cSKlaus Jensen trace_pci_nvme_mmio_doorbell_sq(sq->sqid, new_tail); 610088eea45cSKlaus Jensen 610188eea45cSKlaus Jensen sq->tail = new_tail; 610288eea45cSKlaus Jensen timer_mod(sq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); 610388eea45cSKlaus Jensen } 610488eea45cSKlaus Jensen } 610588eea45cSKlaus Jensen 610688eea45cSKlaus Jensen static void nvme_mmio_write(void *opaque, hwaddr addr, uint64_t data, 610788eea45cSKlaus Jensen unsigned size) 610888eea45cSKlaus Jensen { 610988eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 611088eea45cSKlaus Jensen 611188eea45cSKlaus Jensen trace_pci_nvme_mmio_write(addr, data, size); 611288eea45cSKlaus Jensen 611388eea45cSKlaus Jensen if (addr < sizeof(n->bar)) { 611488eea45cSKlaus Jensen nvme_write_bar(n, addr, data, size); 611588eea45cSKlaus Jensen } else { 611688eea45cSKlaus Jensen nvme_process_db(n, addr, data); 611788eea45cSKlaus Jensen } 611888eea45cSKlaus Jensen } 611988eea45cSKlaus Jensen 612088eea45cSKlaus Jensen static const MemoryRegionOps nvme_mmio_ops = { 612188eea45cSKlaus Jensen .read = nvme_mmio_read, 612288eea45cSKlaus Jensen .write = nvme_mmio_write, 612388eea45cSKlaus Jensen .endianness = DEVICE_LITTLE_ENDIAN, 612488eea45cSKlaus Jensen .impl = { 612588eea45cSKlaus Jensen .min_access_size = 2, 612688eea45cSKlaus Jensen .max_access_size = 8, 612788eea45cSKlaus Jensen }, 612888eea45cSKlaus Jensen }; 612988eea45cSKlaus Jensen 613088eea45cSKlaus Jensen static void nvme_cmb_write(void *opaque, hwaddr addr, uint64_t data, 613188eea45cSKlaus Jensen unsigned size) 613288eea45cSKlaus Jensen { 613388eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 613488eea45cSKlaus Jensen stn_le_p(&n->cmb.buf[addr], size, data); 613588eea45cSKlaus Jensen } 613688eea45cSKlaus Jensen 613788eea45cSKlaus Jensen static uint64_t nvme_cmb_read(void *opaque, hwaddr addr, unsigned size) 613888eea45cSKlaus Jensen { 613988eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 614088eea45cSKlaus Jensen return ldn_le_p(&n->cmb.buf[addr], size); 614188eea45cSKlaus Jensen } 614288eea45cSKlaus Jensen 614388eea45cSKlaus Jensen static const MemoryRegionOps nvme_cmb_ops = { 614488eea45cSKlaus Jensen .read = nvme_cmb_read, 614588eea45cSKlaus Jensen .write = nvme_cmb_write, 614688eea45cSKlaus Jensen .endianness = DEVICE_LITTLE_ENDIAN, 614788eea45cSKlaus Jensen .impl = { 614888eea45cSKlaus Jensen .min_access_size = 1, 614988eea45cSKlaus Jensen .max_access_size = 8, 615088eea45cSKlaus Jensen }, 615188eea45cSKlaus Jensen }; 615288eea45cSKlaus Jensen 615388eea45cSKlaus Jensen static void nvme_check_constraints(NvmeCtrl *n, Error **errp) 615488eea45cSKlaus Jensen { 615588eea45cSKlaus Jensen NvmeParams *params = &n->params; 615688eea45cSKlaus Jensen 615788eea45cSKlaus Jensen if (params->num_queues) { 615888eea45cSKlaus Jensen warn_report("num_queues is deprecated; please use max_ioqpairs " 615988eea45cSKlaus Jensen "instead"); 616088eea45cSKlaus Jensen 616188eea45cSKlaus Jensen params->max_ioqpairs = params->num_queues - 1; 616288eea45cSKlaus Jensen } 616388eea45cSKlaus Jensen 616488eea45cSKlaus Jensen if (n->namespace.blkconf.blk && n->subsys) { 616588eea45cSKlaus Jensen error_setg(errp, "subsystem support is unavailable with legacy " 616688eea45cSKlaus Jensen "namespace ('drive' property)"); 616788eea45cSKlaus Jensen return; 616888eea45cSKlaus Jensen } 616988eea45cSKlaus Jensen 617088eea45cSKlaus Jensen if (params->max_ioqpairs < 1 || 617188eea45cSKlaus Jensen params->max_ioqpairs > NVME_MAX_IOQPAIRS) { 617288eea45cSKlaus Jensen error_setg(errp, "max_ioqpairs must be between 1 and %d", 617388eea45cSKlaus Jensen NVME_MAX_IOQPAIRS); 617488eea45cSKlaus Jensen return; 617588eea45cSKlaus Jensen } 617688eea45cSKlaus Jensen 617788eea45cSKlaus Jensen if (params->msix_qsize < 1 || 617888eea45cSKlaus Jensen params->msix_qsize > PCI_MSIX_FLAGS_QSIZE + 1) { 617988eea45cSKlaus Jensen error_setg(errp, "msix_qsize must be between 1 and %d", 618088eea45cSKlaus Jensen PCI_MSIX_FLAGS_QSIZE + 1); 618188eea45cSKlaus Jensen return; 618288eea45cSKlaus Jensen } 618388eea45cSKlaus Jensen 618488eea45cSKlaus Jensen if (!params->serial) { 618588eea45cSKlaus Jensen error_setg(errp, "serial property not set"); 618688eea45cSKlaus Jensen return; 618788eea45cSKlaus Jensen } 618888eea45cSKlaus Jensen 618988eea45cSKlaus Jensen if (n->pmr.dev) { 619088eea45cSKlaus Jensen if (host_memory_backend_is_mapped(n->pmr.dev)) { 619188eea45cSKlaus Jensen error_setg(errp, "can't use already busy memdev: %s", 619288eea45cSKlaus Jensen object_get_canonical_path_component(OBJECT(n->pmr.dev))); 619388eea45cSKlaus Jensen return; 619488eea45cSKlaus Jensen } 619588eea45cSKlaus Jensen 619688eea45cSKlaus Jensen if (!is_power_of_2(n->pmr.dev->size)) { 619788eea45cSKlaus Jensen error_setg(errp, "pmr backend size needs to be power of 2 in size"); 619888eea45cSKlaus Jensen return; 619988eea45cSKlaus Jensen } 620088eea45cSKlaus Jensen 620188eea45cSKlaus Jensen host_memory_backend_set_mapped(n->pmr.dev, true); 620288eea45cSKlaus Jensen } 620388eea45cSKlaus Jensen 620488eea45cSKlaus Jensen if (n->params.zasl > n->params.mdts) { 620588eea45cSKlaus Jensen error_setg(errp, "zoned.zasl (Zone Append Size Limit) must be less " 620688eea45cSKlaus Jensen "than or equal to mdts (Maximum Data Transfer Size)"); 620788eea45cSKlaus Jensen return; 620888eea45cSKlaus Jensen } 620988eea45cSKlaus Jensen 621088eea45cSKlaus Jensen if (!n->params.vsl) { 621188eea45cSKlaus Jensen error_setg(errp, "vsl must be non-zero"); 621288eea45cSKlaus Jensen return; 621388eea45cSKlaus Jensen } 621488eea45cSKlaus Jensen } 621588eea45cSKlaus Jensen 621688eea45cSKlaus Jensen static void nvme_init_state(NvmeCtrl *n) 621788eea45cSKlaus Jensen { 621888eea45cSKlaus Jensen /* add one to max_ioqpairs to account for the admin queue pair */ 621988eea45cSKlaus Jensen n->reg_size = pow2ceil(sizeof(NvmeBar) + 622088eea45cSKlaus Jensen 2 * (n->params.max_ioqpairs + 1) * NVME_DB_SIZE); 622188eea45cSKlaus Jensen n->sq = g_new0(NvmeSQueue *, n->params.max_ioqpairs + 1); 622288eea45cSKlaus Jensen n->cq = g_new0(NvmeCQueue *, n->params.max_ioqpairs + 1); 622388eea45cSKlaus Jensen n->temperature = NVME_TEMPERATURE; 622488eea45cSKlaus Jensen n->features.temp_thresh_hi = NVME_TEMPERATURE_WARNING; 622588eea45cSKlaus Jensen n->starttime_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 622688eea45cSKlaus Jensen n->aer_reqs = g_new0(NvmeRequest *, n->params.aerl + 1); 622788eea45cSKlaus Jensen } 622888eea45cSKlaus Jensen 622988eea45cSKlaus Jensen static void nvme_init_cmb(NvmeCtrl *n, PCIDevice *pci_dev) 623088eea45cSKlaus Jensen { 623188eea45cSKlaus Jensen uint64_t cmb_size = n->params.cmb_size_mb * MiB; 623288eea45cSKlaus Jensen 623388eea45cSKlaus Jensen n->cmb.buf = g_malloc0(cmb_size); 623488eea45cSKlaus Jensen memory_region_init_io(&n->cmb.mem, OBJECT(n), &nvme_cmb_ops, n, 623588eea45cSKlaus Jensen "nvme-cmb", cmb_size); 623688eea45cSKlaus Jensen pci_register_bar(pci_dev, NVME_CMB_BIR, 623788eea45cSKlaus Jensen PCI_BASE_ADDRESS_SPACE_MEMORY | 623888eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64 | 623988eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_PREFETCH, &n->cmb.mem); 624088eea45cSKlaus Jensen 624188eea45cSKlaus Jensen NVME_CAP_SET_CMBS(n->bar.cap, 1); 624288eea45cSKlaus Jensen 624388eea45cSKlaus Jensen if (n->params.legacy_cmb) { 624488eea45cSKlaus Jensen nvme_cmb_enable_regs(n); 624588eea45cSKlaus Jensen n->cmb.cmse = true; 624688eea45cSKlaus Jensen } 624788eea45cSKlaus Jensen } 624888eea45cSKlaus Jensen 624988eea45cSKlaus Jensen static void nvme_init_pmr(NvmeCtrl *n, PCIDevice *pci_dev) 625088eea45cSKlaus Jensen { 625188eea45cSKlaus Jensen NVME_PMRCAP_SET_RDS(n->bar.pmrcap, 1); 625288eea45cSKlaus Jensen NVME_PMRCAP_SET_WDS(n->bar.pmrcap, 1); 625388eea45cSKlaus Jensen NVME_PMRCAP_SET_BIR(n->bar.pmrcap, NVME_PMR_BIR); 625488eea45cSKlaus Jensen /* Turn on bit 1 support */ 625588eea45cSKlaus Jensen NVME_PMRCAP_SET_PMRWBM(n->bar.pmrcap, 0x02); 625688eea45cSKlaus Jensen NVME_PMRCAP_SET_CMSS(n->bar.pmrcap, 1); 625788eea45cSKlaus Jensen 625888eea45cSKlaus Jensen pci_register_bar(pci_dev, NVME_PMRCAP_BIR(n->bar.pmrcap), 625988eea45cSKlaus Jensen PCI_BASE_ADDRESS_SPACE_MEMORY | 626088eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64 | 626188eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_PREFETCH, &n->pmr.dev->mr); 626288eea45cSKlaus Jensen 626388eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, false); 626488eea45cSKlaus Jensen } 626588eea45cSKlaus Jensen 626688eea45cSKlaus Jensen static int nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev, Error **errp) 626788eea45cSKlaus Jensen { 626888eea45cSKlaus Jensen uint8_t *pci_conf = pci_dev->config; 626988eea45cSKlaus Jensen uint64_t bar_size, msix_table_size, msix_pba_size; 627088eea45cSKlaus Jensen unsigned msix_table_offset, msix_pba_offset; 627188eea45cSKlaus Jensen int ret; 627288eea45cSKlaus Jensen 627388eea45cSKlaus Jensen Error *err = NULL; 627488eea45cSKlaus Jensen 627588eea45cSKlaus Jensen pci_conf[PCI_INTERRUPT_PIN] = 1; 627688eea45cSKlaus Jensen pci_config_set_prog_interface(pci_conf, 0x2); 627788eea45cSKlaus Jensen 627888eea45cSKlaus Jensen if (n->params.use_intel_id) { 627988eea45cSKlaus Jensen pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL); 628088eea45cSKlaus Jensen pci_config_set_device_id(pci_conf, 0x5845); 628188eea45cSKlaus Jensen } else { 628288eea45cSKlaus Jensen pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_REDHAT); 628388eea45cSKlaus Jensen pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_REDHAT_NVME); 628488eea45cSKlaus Jensen } 628588eea45cSKlaus Jensen 628688eea45cSKlaus Jensen pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_EXPRESS); 628788eea45cSKlaus Jensen pcie_endpoint_cap_init(pci_dev, 0x80); 628888eea45cSKlaus Jensen 628988eea45cSKlaus Jensen bar_size = QEMU_ALIGN_UP(n->reg_size, 4 * KiB); 629088eea45cSKlaus Jensen msix_table_offset = bar_size; 629188eea45cSKlaus Jensen msix_table_size = PCI_MSIX_ENTRY_SIZE * n->params.msix_qsize; 629288eea45cSKlaus Jensen 629388eea45cSKlaus Jensen bar_size += msix_table_size; 629488eea45cSKlaus Jensen bar_size = QEMU_ALIGN_UP(bar_size, 4 * KiB); 629588eea45cSKlaus Jensen msix_pba_offset = bar_size; 629688eea45cSKlaus Jensen msix_pba_size = QEMU_ALIGN_UP(n->params.msix_qsize, 64) / 8; 629788eea45cSKlaus Jensen 629888eea45cSKlaus Jensen bar_size += msix_pba_size; 629988eea45cSKlaus Jensen bar_size = pow2ceil(bar_size); 630088eea45cSKlaus Jensen 630188eea45cSKlaus Jensen memory_region_init(&n->bar0, OBJECT(n), "nvme-bar0", bar_size); 630288eea45cSKlaus Jensen memory_region_init_io(&n->iomem, OBJECT(n), &nvme_mmio_ops, n, "nvme", 630388eea45cSKlaus Jensen n->reg_size); 630488eea45cSKlaus Jensen memory_region_add_subregion(&n->bar0, 0, &n->iomem); 630588eea45cSKlaus Jensen 630688eea45cSKlaus Jensen pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY | 630788eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64, &n->bar0); 630888eea45cSKlaus Jensen ret = msix_init(pci_dev, n->params.msix_qsize, 630988eea45cSKlaus Jensen &n->bar0, 0, msix_table_offset, 631088eea45cSKlaus Jensen &n->bar0, 0, msix_pba_offset, 0, &err); 631188eea45cSKlaus Jensen if (ret < 0) { 631288eea45cSKlaus Jensen if (ret == -ENOTSUP) { 631388eea45cSKlaus Jensen warn_report_err(err); 631488eea45cSKlaus Jensen } else { 631588eea45cSKlaus Jensen error_propagate(errp, err); 631688eea45cSKlaus Jensen return ret; 631788eea45cSKlaus Jensen } 631888eea45cSKlaus Jensen } 631988eea45cSKlaus Jensen 632088eea45cSKlaus Jensen if (n->params.cmb_size_mb) { 632188eea45cSKlaus Jensen nvme_init_cmb(n, pci_dev); 632288eea45cSKlaus Jensen } 632388eea45cSKlaus Jensen 632488eea45cSKlaus Jensen if (n->pmr.dev) { 632588eea45cSKlaus Jensen nvme_init_pmr(n, pci_dev); 632688eea45cSKlaus Jensen } 632788eea45cSKlaus Jensen 632888eea45cSKlaus Jensen return 0; 632988eea45cSKlaus Jensen } 633088eea45cSKlaus Jensen 633188eea45cSKlaus Jensen static void nvme_init_subnqn(NvmeCtrl *n) 633288eea45cSKlaus Jensen { 633388eea45cSKlaus Jensen NvmeSubsystem *subsys = n->subsys; 633488eea45cSKlaus Jensen NvmeIdCtrl *id = &n->id_ctrl; 633588eea45cSKlaus Jensen 633688eea45cSKlaus Jensen if (!subsys) { 633788eea45cSKlaus Jensen snprintf((char *)id->subnqn, sizeof(id->subnqn), 633888eea45cSKlaus Jensen "nqn.2019-08.org.qemu:%s", n->params.serial); 633988eea45cSKlaus Jensen } else { 634088eea45cSKlaus Jensen pstrcpy((char *)id->subnqn, sizeof(id->subnqn), (char*)subsys->subnqn); 634188eea45cSKlaus Jensen } 634288eea45cSKlaus Jensen } 634388eea45cSKlaus Jensen 634488eea45cSKlaus Jensen static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev) 634588eea45cSKlaus Jensen { 634688eea45cSKlaus Jensen NvmeIdCtrl *id = &n->id_ctrl; 634788eea45cSKlaus Jensen uint8_t *pci_conf = pci_dev->config; 634888eea45cSKlaus Jensen 634988eea45cSKlaus Jensen id->vid = cpu_to_le16(pci_get_word(pci_conf + PCI_VENDOR_ID)); 635088eea45cSKlaus Jensen id->ssvid = cpu_to_le16(pci_get_word(pci_conf + PCI_SUBSYSTEM_VENDOR_ID)); 635188eea45cSKlaus Jensen strpadcpy((char *)id->mn, sizeof(id->mn), "QEMU NVMe Ctrl", ' '); 635288eea45cSKlaus Jensen strpadcpy((char *)id->fr, sizeof(id->fr), "1.0", ' '); 635388eea45cSKlaus Jensen strpadcpy((char *)id->sn, sizeof(id->sn), n->params.serial, ' '); 635488eea45cSKlaus Jensen 635588eea45cSKlaus Jensen id->cntlid = cpu_to_le16(n->cntlid); 635688eea45cSKlaus Jensen 635788eea45cSKlaus Jensen id->oaes = cpu_to_le32(NVME_OAES_NS_ATTR); 635888eea45cSKlaus Jensen 635988eea45cSKlaus Jensen id->rab = 6; 636088eea45cSKlaus Jensen 636188eea45cSKlaus Jensen if (n->params.use_intel_id) { 636288eea45cSKlaus Jensen id->ieee[0] = 0xb3; 636388eea45cSKlaus Jensen id->ieee[1] = 0x02; 636488eea45cSKlaus Jensen id->ieee[2] = 0x00; 636588eea45cSKlaus Jensen } else { 636688eea45cSKlaus Jensen id->ieee[0] = 0x00; 636788eea45cSKlaus Jensen id->ieee[1] = 0x54; 636888eea45cSKlaus Jensen id->ieee[2] = 0x52; 636988eea45cSKlaus Jensen } 637088eea45cSKlaus Jensen 637188eea45cSKlaus Jensen id->mdts = n->params.mdts; 637288eea45cSKlaus Jensen id->ver = cpu_to_le32(NVME_SPEC_VER); 637388eea45cSKlaus Jensen id->oacs = cpu_to_le16(NVME_OACS_NS_MGMT | NVME_OACS_FORMAT); 637488eea45cSKlaus Jensen id->cntrltype = 0x1; 637588eea45cSKlaus Jensen 637688eea45cSKlaus Jensen /* 637788eea45cSKlaus Jensen * Because the controller always completes the Abort command immediately, 637888eea45cSKlaus Jensen * there can never be more than one concurrently executing Abort command, 637988eea45cSKlaus Jensen * so this value is never used for anything. Note that there can easily be 638088eea45cSKlaus Jensen * many Abort commands in the queues, but they are not considered 638188eea45cSKlaus Jensen * "executing" until processed by nvme_abort. 638288eea45cSKlaus Jensen * 638388eea45cSKlaus Jensen * The specification recommends a value of 3 for Abort Command Limit (four 638488eea45cSKlaus Jensen * concurrently outstanding Abort commands), so lets use that though it is 638588eea45cSKlaus Jensen * inconsequential. 638688eea45cSKlaus Jensen */ 638788eea45cSKlaus Jensen id->acl = 3; 638888eea45cSKlaus Jensen id->aerl = n->params.aerl; 638988eea45cSKlaus Jensen id->frmw = (NVME_NUM_FW_SLOTS << 1) | NVME_FRMW_SLOT1_RO; 639088eea45cSKlaus Jensen id->lpa = NVME_LPA_NS_SMART | NVME_LPA_CSE | NVME_LPA_EXTENDED; 639188eea45cSKlaus Jensen 639288eea45cSKlaus Jensen /* recommended default value (~70 C) */ 639388eea45cSKlaus Jensen id->wctemp = cpu_to_le16(NVME_TEMPERATURE_WARNING); 639488eea45cSKlaus Jensen id->cctemp = cpu_to_le16(NVME_TEMPERATURE_CRITICAL); 639588eea45cSKlaus Jensen 639688eea45cSKlaus Jensen id->sqes = (0x6 << 4) | 0x6; 639788eea45cSKlaus Jensen id->cqes = (0x4 << 4) | 0x4; 639888eea45cSKlaus Jensen id->nn = cpu_to_le32(NVME_MAX_NAMESPACES); 639988eea45cSKlaus Jensen id->oncs = cpu_to_le16(NVME_ONCS_WRITE_ZEROES | NVME_ONCS_TIMESTAMP | 640088eea45cSKlaus Jensen NVME_ONCS_FEATURES | NVME_ONCS_DSM | 640188eea45cSKlaus Jensen NVME_ONCS_COMPARE | NVME_ONCS_COPY); 640288eea45cSKlaus Jensen 640388eea45cSKlaus Jensen /* 640488eea45cSKlaus Jensen * NOTE: If this device ever supports a command set that does NOT use 0x0 640588eea45cSKlaus Jensen * as a Flush-equivalent operation, support for the broadcast NSID in Flush 640688eea45cSKlaus Jensen * should probably be removed. 640788eea45cSKlaus Jensen * 640888eea45cSKlaus Jensen * See comment in nvme_io_cmd. 640988eea45cSKlaus Jensen */ 641088eea45cSKlaus Jensen id->vwc = NVME_VWC_NSID_BROADCAST_SUPPORT | NVME_VWC_PRESENT; 641188eea45cSKlaus Jensen 641288eea45cSKlaus Jensen id->ocfs = cpu_to_le16(NVME_OCFS_COPY_FORMAT_0); 641388eea45cSKlaus Jensen id->sgls = cpu_to_le32(NVME_CTRL_SGLS_SUPPORT_NO_ALIGN | 641488eea45cSKlaus Jensen NVME_CTRL_SGLS_BITBUCKET); 641588eea45cSKlaus Jensen 641688eea45cSKlaus Jensen nvme_init_subnqn(n); 641788eea45cSKlaus Jensen 641888eea45cSKlaus Jensen id->psd[0].mp = cpu_to_le16(0x9c4); 641988eea45cSKlaus Jensen id->psd[0].enlat = cpu_to_le32(0x10); 642088eea45cSKlaus Jensen id->psd[0].exlat = cpu_to_le32(0x4); 642188eea45cSKlaus Jensen 642288eea45cSKlaus Jensen if (n->subsys) { 642388eea45cSKlaus Jensen id->cmic |= NVME_CMIC_MULTI_CTRL; 642488eea45cSKlaus Jensen } 642588eea45cSKlaus Jensen 642688eea45cSKlaus Jensen NVME_CAP_SET_MQES(n->bar.cap, 0x7ff); 642788eea45cSKlaus Jensen NVME_CAP_SET_CQR(n->bar.cap, 1); 642888eea45cSKlaus Jensen NVME_CAP_SET_TO(n->bar.cap, 0xf); 642988eea45cSKlaus Jensen NVME_CAP_SET_CSS(n->bar.cap, NVME_CAP_CSS_NVM); 643088eea45cSKlaus Jensen NVME_CAP_SET_CSS(n->bar.cap, NVME_CAP_CSS_CSI_SUPP); 643188eea45cSKlaus Jensen NVME_CAP_SET_CSS(n->bar.cap, NVME_CAP_CSS_ADMIN_ONLY); 643288eea45cSKlaus Jensen NVME_CAP_SET_MPSMAX(n->bar.cap, 4); 643388eea45cSKlaus Jensen NVME_CAP_SET_CMBS(n->bar.cap, n->params.cmb_size_mb ? 1 : 0); 643488eea45cSKlaus Jensen NVME_CAP_SET_PMRS(n->bar.cap, n->pmr.dev ? 1 : 0); 643588eea45cSKlaus Jensen 643688eea45cSKlaus Jensen n->bar.vs = NVME_SPEC_VER; 643788eea45cSKlaus Jensen n->bar.intmc = n->bar.intms = 0; 643888eea45cSKlaus Jensen } 643988eea45cSKlaus Jensen 644088eea45cSKlaus Jensen static int nvme_init_subsys(NvmeCtrl *n, Error **errp) 644188eea45cSKlaus Jensen { 644288eea45cSKlaus Jensen int cntlid; 644388eea45cSKlaus Jensen 644488eea45cSKlaus Jensen if (!n->subsys) { 644588eea45cSKlaus Jensen return 0; 644688eea45cSKlaus Jensen } 644788eea45cSKlaus Jensen 644888eea45cSKlaus Jensen cntlid = nvme_subsys_register_ctrl(n, errp); 644988eea45cSKlaus Jensen if (cntlid < 0) { 645088eea45cSKlaus Jensen return -1; 645188eea45cSKlaus Jensen } 645288eea45cSKlaus Jensen 645388eea45cSKlaus Jensen n->cntlid = cntlid; 645488eea45cSKlaus Jensen 645588eea45cSKlaus Jensen return 0; 645688eea45cSKlaus Jensen } 645788eea45cSKlaus Jensen 645888eea45cSKlaus Jensen void nvme_attach_ns(NvmeCtrl *n, NvmeNamespace *ns) 645988eea45cSKlaus Jensen { 646088eea45cSKlaus Jensen uint32_t nsid = ns->params.nsid; 646188eea45cSKlaus Jensen assert(nsid && nsid <= NVME_MAX_NAMESPACES); 646288eea45cSKlaus Jensen 646388eea45cSKlaus Jensen n->namespaces[nsid] = ns; 646488eea45cSKlaus Jensen ns->attached++; 646588eea45cSKlaus Jensen 646688eea45cSKlaus Jensen n->dmrsl = MIN_NON_ZERO(n->dmrsl, 646788eea45cSKlaus Jensen BDRV_REQUEST_MAX_BYTES / nvme_l2b(ns, 1)); 646888eea45cSKlaus Jensen } 646988eea45cSKlaus Jensen 647088eea45cSKlaus Jensen static void nvme_realize(PCIDevice *pci_dev, Error **errp) 647188eea45cSKlaus Jensen { 647288eea45cSKlaus Jensen NvmeCtrl *n = NVME(pci_dev); 647388eea45cSKlaus Jensen NvmeNamespace *ns; 647488eea45cSKlaus Jensen Error *local_err = NULL; 647588eea45cSKlaus Jensen 647688eea45cSKlaus Jensen nvme_check_constraints(n, &local_err); 647788eea45cSKlaus Jensen if (local_err) { 647888eea45cSKlaus Jensen error_propagate(errp, local_err); 647988eea45cSKlaus Jensen return; 648088eea45cSKlaus Jensen } 648188eea45cSKlaus Jensen 648288eea45cSKlaus Jensen qbus_create_inplace(&n->bus, sizeof(NvmeBus), TYPE_NVME_BUS, 648388eea45cSKlaus Jensen &pci_dev->qdev, n->parent_obj.qdev.id); 648488eea45cSKlaus Jensen 648588eea45cSKlaus Jensen nvme_init_state(n); 648688eea45cSKlaus Jensen if (nvme_init_pci(n, pci_dev, errp)) { 648788eea45cSKlaus Jensen return; 648888eea45cSKlaus Jensen } 648988eea45cSKlaus Jensen 649088eea45cSKlaus Jensen if (nvme_init_subsys(n, errp)) { 649188eea45cSKlaus Jensen error_propagate(errp, local_err); 649288eea45cSKlaus Jensen return; 649388eea45cSKlaus Jensen } 649488eea45cSKlaus Jensen nvme_init_ctrl(n, pci_dev); 649588eea45cSKlaus Jensen 649688eea45cSKlaus Jensen /* setup a namespace if the controller drive property was given */ 649788eea45cSKlaus Jensen if (n->namespace.blkconf.blk) { 649888eea45cSKlaus Jensen ns = &n->namespace; 649988eea45cSKlaus Jensen ns->params.nsid = 1; 650088eea45cSKlaus Jensen 650188eea45cSKlaus Jensen if (nvme_ns_setup(n, ns, errp)) { 650288eea45cSKlaus Jensen return; 650388eea45cSKlaus Jensen } 650488eea45cSKlaus Jensen 650588eea45cSKlaus Jensen nvme_attach_ns(n, ns); 650688eea45cSKlaus Jensen } 650788eea45cSKlaus Jensen } 650888eea45cSKlaus Jensen 650988eea45cSKlaus Jensen static void nvme_exit(PCIDevice *pci_dev) 651088eea45cSKlaus Jensen { 651188eea45cSKlaus Jensen NvmeCtrl *n = NVME(pci_dev); 651288eea45cSKlaus Jensen NvmeNamespace *ns; 651388eea45cSKlaus Jensen int i; 651488eea45cSKlaus Jensen 651588eea45cSKlaus Jensen nvme_ctrl_reset(n); 651688eea45cSKlaus Jensen 651788eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 651888eea45cSKlaus Jensen ns = nvme_ns(n, i); 651988eea45cSKlaus Jensen if (!ns) { 652088eea45cSKlaus Jensen continue; 652188eea45cSKlaus Jensen } 652288eea45cSKlaus Jensen 652388eea45cSKlaus Jensen nvme_ns_cleanup(ns); 652488eea45cSKlaus Jensen } 652588eea45cSKlaus Jensen 652688eea45cSKlaus Jensen g_free(n->cq); 652788eea45cSKlaus Jensen g_free(n->sq); 652888eea45cSKlaus Jensen g_free(n->aer_reqs); 652988eea45cSKlaus Jensen 653088eea45cSKlaus Jensen if (n->params.cmb_size_mb) { 653188eea45cSKlaus Jensen g_free(n->cmb.buf); 653288eea45cSKlaus Jensen } 653388eea45cSKlaus Jensen 653488eea45cSKlaus Jensen if (n->pmr.dev) { 653588eea45cSKlaus Jensen host_memory_backend_set_mapped(n->pmr.dev, false); 653688eea45cSKlaus Jensen } 653788eea45cSKlaus Jensen msix_uninit(pci_dev, &n->bar0, &n->bar0); 653888eea45cSKlaus Jensen memory_region_del_subregion(&n->bar0, &n->iomem); 653988eea45cSKlaus Jensen } 654088eea45cSKlaus Jensen 654188eea45cSKlaus Jensen static Property nvme_props[] = { 654288eea45cSKlaus Jensen DEFINE_BLOCK_PROPERTIES(NvmeCtrl, namespace.blkconf), 654388eea45cSKlaus Jensen DEFINE_PROP_LINK("pmrdev", NvmeCtrl, pmr.dev, TYPE_MEMORY_BACKEND, 654488eea45cSKlaus Jensen HostMemoryBackend *), 654588eea45cSKlaus Jensen DEFINE_PROP_LINK("subsys", NvmeCtrl, subsys, TYPE_NVME_SUBSYS, 654688eea45cSKlaus Jensen NvmeSubsystem *), 654788eea45cSKlaus Jensen DEFINE_PROP_STRING("serial", NvmeCtrl, params.serial), 654888eea45cSKlaus Jensen DEFINE_PROP_UINT32("cmb_size_mb", NvmeCtrl, params.cmb_size_mb, 0), 654988eea45cSKlaus Jensen DEFINE_PROP_UINT32("num_queues", NvmeCtrl, params.num_queues, 0), 655088eea45cSKlaus Jensen DEFINE_PROP_UINT32("max_ioqpairs", NvmeCtrl, params.max_ioqpairs, 64), 655188eea45cSKlaus Jensen DEFINE_PROP_UINT16("msix_qsize", NvmeCtrl, params.msix_qsize, 65), 655288eea45cSKlaus Jensen DEFINE_PROP_UINT8("aerl", NvmeCtrl, params.aerl, 3), 655388eea45cSKlaus Jensen DEFINE_PROP_UINT32("aer_max_queued", NvmeCtrl, params.aer_max_queued, 64), 655488eea45cSKlaus Jensen DEFINE_PROP_UINT8("mdts", NvmeCtrl, params.mdts, 7), 655588eea45cSKlaus Jensen DEFINE_PROP_UINT8("vsl", NvmeCtrl, params.vsl, 7), 655688eea45cSKlaus Jensen DEFINE_PROP_BOOL("use-intel-id", NvmeCtrl, params.use_intel_id, false), 655788eea45cSKlaus Jensen DEFINE_PROP_BOOL("legacy-cmb", NvmeCtrl, params.legacy_cmb, false), 655888eea45cSKlaus Jensen DEFINE_PROP_UINT8("zoned.zasl", NvmeCtrl, params.zasl, 0), 6559cccc2651SNiklas Cassel DEFINE_PROP_BOOL("zoned.auto_transition", NvmeCtrl, 6560cccc2651SNiklas Cassel params.auto_transition_zones, true), 656188eea45cSKlaus Jensen DEFINE_PROP_END_OF_LIST(), 656288eea45cSKlaus Jensen }; 656388eea45cSKlaus Jensen 656488eea45cSKlaus Jensen static void nvme_get_smart_warning(Object *obj, Visitor *v, const char *name, 656588eea45cSKlaus Jensen void *opaque, Error **errp) 656688eea45cSKlaus Jensen { 656788eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 656888eea45cSKlaus Jensen uint8_t value = n->smart_critical_warning; 656988eea45cSKlaus Jensen 657088eea45cSKlaus Jensen visit_type_uint8(v, name, &value, errp); 657188eea45cSKlaus Jensen } 657288eea45cSKlaus Jensen 657388eea45cSKlaus Jensen static void nvme_set_smart_warning(Object *obj, Visitor *v, const char *name, 657488eea45cSKlaus Jensen void *opaque, Error **errp) 657588eea45cSKlaus Jensen { 657688eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 657788eea45cSKlaus Jensen uint8_t value, old_value, cap = 0, index, event; 657888eea45cSKlaus Jensen 657988eea45cSKlaus Jensen if (!visit_type_uint8(v, name, &value, errp)) { 658088eea45cSKlaus Jensen return; 658188eea45cSKlaus Jensen } 658288eea45cSKlaus Jensen 658388eea45cSKlaus Jensen cap = NVME_SMART_SPARE | NVME_SMART_TEMPERATURE | NVME_SMART_RELIABILITY 658488eea45cSKlaus Jensen | NVME_SMART_MEDIA_READ_ONLY | NVME_SMART_FAILED_VOLATILE_MEDIA; 658588eea45cSKlaus Jensen if (NVME_CAP_PMRS(n->bar.cap)) { 658688eea45cSKlaus Jensen cap |= NVME_SMART_PMR_UNRELIABLE; 658788eea45cSKlaus Jensen } 658888eea45cSKlaus Jensen 658988eea45cSKlaus Jensen if ((value & cap) != value) { 659088eea45cSKlaus Jensen error_setg(errp, "unsupported smart critical warning bits: 0x%x", 659188eea45cSKlaus Jensen value & ~cap); 659288eea45cSKlaus Jensen return; 659388eea45cSKlaus Jensen } 659488eea45cSKlaus Jensen 659588eea45cSKlaus Jensen old_value = n->smart_critical_warning; 659688eea45cSKlaus Jensen n->smart_critical_warning = value; 659788eea45cSKlaus Jensen 659888eea45cSKlaus Jensen /* only inject new bits of smart critical warning */ 659988eea45cSKlaus Jensen for (index = 0; index < NVME_SMART_WARN_MAX; index++) { 660088eea45cSKlaus Jensen event = 1 << index; 660188eea45cSKlaus Jensen if (value & ~old_value & event) 660288eea45cSKlaus Jensen nvme_smart_event(n, event); 660388eea45cSKlaus Jensen } 660488eea45cSKlaus Jensen } 660588eea45cSKlaus Jensen 660688eea45cSKlaus Jensen static const VMStateDescription nvme_vmstate = { 660788eea45cSKlaus Jensen .name = "nvme", 660888eea45cSKlaus Jensen .unmigratable = 1, 660988eea45cSKlaus Jensen }; 661088eea45cSKlaus Jensen 661188eea45cSKlaus Jensen static void nvme_class_init(ObjectClass *oc, void *data) 661288eea45cSKlaus Jensen { 661388eea45cSKlaus Jensen DeviceClass *dc = DEVICE_CLASS(oc); 661488eea45cSKlaus Jensen PCIDeviceClass *pc = PCI_DEVICE_CLASS(oc); 661588eea45cSKlaus Jensen 661688eea45cSKlaus Jensen pc->realize = nvme_realize; 661788eea45cSKlaus Jensen pc->exit = nvme_exit; 661888eea45cSKlaus Jensen pc->class_id = PCI_CLASS_STORAGE_EXPRESS; 661988eea45cSKlaus Jensen pc->revision = 2; 662088eea45cSKlaus Jensen 662188eea45cSKlaus Jensen set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 662288eea45cSKlaus Jensen dc->desc = "Non-Volatile Memory Express"; 662388eea45cSKlaus Jensen device_class_set_props(dc, nvme_props); 662488eea45cSKlaus Jensen dc->vmsd = &nvme_vmstate; 662588eea45cSKlaus Jensen } 662688eea45cSKlaus Jensen 662788eea45cSKlaus Jensen static void nvme_instance_init(Object *obj) 662888eea45cSKlaus Jensen { 662988eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 663088eea45cSKlaus Jensen 663188eea45cSKlaus Jensen device_add_bootindex_property(obj, &n->namespace.blkconf.bootindex, 663288eea45cSKlaus Jensen "bootindex", "/namespace@1,0", 663388eea45cSKlaus Jensen DEVICE(obj)); 663488eea45cSKlaus Jensen 663588eea45cSKlaus Jensen object_property_add(obj, "smart_critical_warning", "uint8", 663688eea45cSKlaus Jensen nvme_get_smart_warning, 663788eea45cSKlaus Jensen nvme_set_smart_warning, NULL, NULL); 663888eea45cSKlaus Jensen } 663988eea45cSKlaus Jensen 664088eea45cSKlaus Jensen static const TypeInfo nvme_info = { 664188eea45cSKlaus Jensen .name = TYPE_NVME, 664288eea45cSKlaus Jensen .parent = TYPE_PCI_DEVICE, 664388eea45cSKlaus Jensen .instance_size = sizeof(NvmeCtrl), 664488eea45cSKlaus Jensen .instance_init = nvme_instance_init, 664588eea45cSKlaus Jensen .class_init = nvme_class_init, 664688eea45cSKlaus Jensen .interfaces = (InterfaceInfo[]) { 664788eea45cSKlaus Jensen { INTERFACE_PCIE_DEVICE }, 664888eea45cSKlaus Jensen { } 664988eea45cSKlaus Jensen }, 665088eea45cSKlaus Jensen }; 665188eea45cSKlaus Jensen 665288eea45cSKlaus Jensen static const TypeInfo nvme_bus_info = { 665388eea45cSKlaus Jensen .name = TYPE_NVME_BUS, 665488eea45cSKlaus Jensen .parent = TYPE_BUS, 665588eea45cSKlaus Jensen .instance_size = sizeof(NvmeBus), 665688eea45cSKlaus Jensen }; 665788eea45cSKlaus Jensen 665888eea45cSKlaus Jensen static void nvme_register_types(void) 665988eea45cSKlaus Jensen { 666088eea45cSKlaus Jensen type_register_static(&nvme_info); 666188eea45cSKlaus Jensen type_register_static(&nvme_bus_info); 666288eea45cSKlaus Jensen } 666388eea45cSKlaus Jensen 666488eea45cSKlaus Jensen type_init(nvme_register_types) 6665