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 { 44249e03457SKlaus Jensen uint32_t intms = ldl_le_p(&n->bar.intms); 44349e03457SKlaus Jensen 44488eea45cSKlaus Jensen if (msix_enabled(&(n->parent_obj))) { 44588eea45cSKlaus Jensen return; 44688eea45cSKlaus Jensen } 44749e03457SKlaus Jensen if (~intms & n->irq_status) { 44888eea45cSKlaus Jensen pci_irq_assert(&n->parent_obj); 44988eea45cSKlaus Jensen } else { 45088eea45cSKlaus Jensen pci_irq_deassert(&n->parent_obj); 45188eea45cSKlaus Jensen } 45288eea45cSKlaus Jensen } 45388eea45cSKlaus Jensen 45488eea45cSKlaus Jensen static void nvme_irq_assert(NvmeCtrl *n, NvmeCQueue *cq) 45588eea45cSKlaus Jensen { 45688eea45cSKlaus Jensen if (cq->irq_enabled) { 45788eea45cSKlaus Jensen if (msix_enabled(&(n->parent_obj))) { 45888eea45cSKlaus Jensen trace_pci_nvme_irq_msix(cq->vector); 45988eea45cSKlaus Jensen msix_notify(&(n->parent_obj), cq->vector); 46088eea45cSKlaus Jensen } else { 46188eea45cSKlaus Jensen trace_pci_nvme_irq_pin(); 46288eea45cSKlaus Jensen assert(cq->vector < 32); 46388eea45cSKlaus Jensen n->irq_status |= 1 << cq->vector; 46488eea45cSKlaus Jensen nvme_irq_check(n); 46588eea45cSKlaus Jensen } 46688eea45cSKlaus Jensen } else { 46788eea45cSKlaus Jensen trace_pci_nvme_irq_masked(); 46888eea45cSKlaus Jensen } 46988eea45cSKlaus Jensen } 47088eea45cSKlaus Jensen 47188eea45cSKlaus Jensen static void nvme_irq_deassert(NvmeCtrl *n, NvmeCQueue *cq) 47288eea45cSKlaus Jensen { 47388eea45cSKlaus Jensen if (cq->irq_enabled) { 47488eea45cSKlaus Jensen if (msix_enabled(&(n->parent_obj))) { 47588eea45cSKlaus Jensen return; 47688eea45cSKlaus Jensen } else { 47788eea45cSKlaus Jensen assert(cq->vector < 32); 47883d7ed5cSKlaus Jensen if (!n->cq_pending) { 47988eea45cSKlaus Jensen n->irq_status &= ~(1 << cq->vector); 48083d7ed5cSKlaus Jensen } 48188eea45cSKlaus Jensen nvme_irq_check(n); 48288eea45cSKlaus Jensen } 48388eea45cSKlaus Jensen } 48488eea45cSKlaus Jensen } 48588eea45cSKlaus Jensen 48688eea45cSKlaus Jensen static void nvme_req_clear(NvmeRequest *req) 48788eea45cSKlaus Jensen { 48888eea45cSKlaus Jensen req->ns = NULL; 48988eea45cSKlaus Jensen req->opaque = NULL; 49088eea45cSKlaus Jensen req->aiocb = NULL; 49188eea45cSKlaus Jensen memset(&req->cqe, 0x0, sizeof(req->cqe)); 49288eea45cSKlaus Jensen req->status = NVME_SUCCESS; 49388eea45cSKlaus Jensen } 49488eea45cSKlaus Jensen 49588eea45cSKlaus Jensen static inline void nvme_sg_init(NvmeCtrl *n, NvmeSg *sg, bool dma) 49688eea45cSKlaus Jensen { 49788eea45cSKlaus Jensen if (dma) { 49888eea45cSKlaus Jensen pci_dma_sglist_init(&sg->qsg, &n->parent_obj, 0); 49988eea45cSKlaus Jensen sg->flags = NVME_SG_DMA; 50088eea45cSKlaus Jensen } else { 50188eea45cSKlaus Jensen qemu_iovec_init(&sg->iov, 0); 50288eea45cSKlaus Jensen } 50388eea45cSKlaus Jensen 50488eea45cSKlaus Jensen sg->flags |= NVME_SG_ALLOC; 50588eea45cSKlaus Jensen } 50688eea45cSKlaus Jensen 50788eea45cSKlaus Jensen static inline void nvme_sg_unmap(NvmeSg *sg) 50888eea45cSKlaus Jensen { 50988eea45cSKlaus Jensen if (!(sg->flags & NVME_SG_ALLOC)) { 51088eea45cSKlaus Jensen return; 51188eea45cSKlaus Jensen } 51288eea45cSKlaus Jensen 51388eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 51488eea45cSKlaus Jensen qemu_sglist_destroy(&sg->qsg); 51588eea45cSKlaus Jensen } else { 51688eea45cSKlaus Jensen qemu_iovec_destroy(&sg->iov); 51788eea45cSKlaus Jensen } 51888eea45cSKlaus Jensen 51988eea45cSKlaus Jensen memset(sg, 0x0, sizeof(*sg)); 52088eea45cSKlaus Jensen } 52188eea45cSKlaus Jensen 52288eea45cSKlaus Jensen /* 52388eea45cSKlaus Jensen * When metadata is transfered as extended LBAs, the DPTR mapped into `sg` 52488eea45cSKlaus Jensen * holds both data and metadata. This function splits the data and metadata 52588eea45cSKlaus Jensen * into two separate QSG/IOVs. 52688eea45cSKlaus Jensen */ 52788eea45cSKlaus Jensen static void nvme_sg_split(NvmeSg *sg, NvmeNamespace *ns, NvmeSg *data, 52888eea45cSKlaus Jensen NvmeSg *mdata) 52988eea45cSKlaus Jensen { 53088eea45cSKlaus Jensen NvmeSg *dst = data; 53188eea45cSKlaus Jensen uint32_t trans_len, count = ns->lbasz; 53288eea45cSKlaus Jensen uint64_t offset = 0; 53388eea45cSKlaus Jensen bool dma = sg->flags & NVME_SG_DMA; 53488eea45cSKlaus Jensen size_t sge_len; 53588eea45cSKlaus Jensen size_t sg_len = dma ? sg->qsg.size : sg->iov.size; 53688eea45cSKlaus Jensen int sg_idx = 0; 53788eea45cSKlaus Jensen 53888eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 53988eea45cSKlaus Jensen 54088eea45cSKlaus Jensen while (sg_len) { 54188eea45cSKlaus Jensen sge_len = dma ? sg->qsg.sg[sg_idx].len : sg->iov.iov[sg_idx].iov_len; 54288eea45cSKlaus Jensen 54388eea45cSKlaus Jensen trans_len = MIN(sg_len, count); 54488eea45cSKlaus Jensen trans_len = MIN(trans_len, sge_len - offset); 54588eea45cSKlaus Jensen 54688eea45cSKlaus Jensen if (dst) { 54788eea45cSKlaus Jensen if (dma) { 54888eea45cSKlaus Jensen qemu_sglist_add(&dst->qsg, sg->qsg.sg[sg_idx].base + offset, 54988eea45cSKlaus Jensen trans_len); 55088eea45cSKlaus Jensen } else { 55188eea45cSKlaus Jensen qemu_iovec_add(&dst->iov, 55288eea45cSKlaus Jensen sg->iov.iov[sg_idx].iov_base + offset, 55388eea45cSKlaus Jensen trans_len); 55488eea45cSKlaus Jensen } 55588eea45cSKlaus Jensen } 55688eea45cSKlaus Jensen 55788eea45cSKlaus Jensen sg_len -= trans_len; 55888eea45cSKlaus Jensen count -= trans_len; 55988eea45cSKlaus Jensen offset += trans_len; 56088eea45cSKlaus Jensen 56188eea45cSKlaus Jensen if (count == 0) { 56288eea45cSKlaus Jensen dst = (dst == data) ? mdata : data; 56388eea45cSKlaus Jensen count = (dst == data) ? ns->lbasz : ns->lbaf.ms; 56488eea45cSKlaus Jensen } 56588eea45cSKlaus Jensen 56688eea45cSKlaus Jensen if (sge_len == offset) { 56788eea45cSKlaus Jensen offset = 0; 56888eea45cSKlaus Jensen sg_idx++; 56988eea45cSKlaus Jensen } 57088eea45cSKlaus Jensen } 57188eea45cSKlaus Jensen } 57288eea45cSKlaus Jensen 57388eea45cSKlaus Jensen static uint16_t nvme_map_addr_cmb(NvmeCtrl *n, QEMUIOVector *iov, hwaddr addr, 57488eea45cSKlaus Jensen size_t len) 57588eea45cSKlaus Jensen { 57688eea45cSKlaus Jensen if (!len) { 57788eea45cSKlaus Jensen return NVME_SUCCESS; 57888eea45cSKlaus Jensen } 57988eea45cSKlaus Jensen 58088eea45cSKlaus Jensen trace_pci_nvme_map_addr_cmb(addr, len); 58188eea45cSKlaus Jensen 58288eea45cSKlaus Jensen if (!nvme_addr_is_cmb(n, addr) || !nvme_addr_is_cmb(n, addr + len - 1)) { 58388eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 58488eea45cSKlaus Jensen } 58588eea45cSKlaus Jensen 58688eea45cSKlaus Jensen qemu_iovec_add(iov, nvme_addr_to_cmb(n, addr), len); 58788eea45cSKlaus Jensen 58888eea45cSKlaus Jensen return NVME_SUCCESS; 58988eea45cSKlaus Jensen } 59088eea45cSKlaus Jensen 59188eea45cSKlaus Jensen static uint16_t nvme_map_addr_pmr(NvmeCtrl *n, QEMUIOVector *iov, hwaddr addr, 59288eea45cSKlaus Jensen size_t len) 59388eea45cSKlaus Jensen { 59488eea45cSKlaus Jensen if (!len) { 59588eea45cSKlaus Jensen return NVME_SUCCESS; 59688eea45cSKlaus Jensen } 59788eea45cSKlaus Jensen 59888eea45cSKlaus Jensen if (!nvme_addr_is_pmr(n, addr) || !nvme_addr_is_pmr(n, addr + len - 1)) { 59988eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 60088eea45cSKlaus Jensen } 60188eea45cSKlaus Jensen 60288eea45cSKlaus Jensen qemu_iovec_add(iov, nvme_addr_to_pmr(n, addr), len); 60388eea45cSKlaus Jensen 60488eea45cSKlaus Jensen return NVME_SUCCESS; 60588eea45cSKlaus Jensen } 60688eea45cSKlaus Jensen 60788eea45cSKlaus Jensen static uint16_t nvme_map_addr(NvmeCtrl *n, NvmeSg *sg, hwaddr addr, size_t len) 60888eea45cSKlaus Jensen { 60988eea45cSKlaus Jensen bool cmb = false, pmr = false; 61088eea45cSKlaus Jensen 61188eea45cSKlaus Jensen if (!len) { 61288eea45cSKlaus Jensen return NVME_SUCCESS; 61388eea45cSKlaus Jensen } 61488eea45cSKlaus Jensen 61588eea45cSKlaus Jensen trace_pci_nvme_map_addr(addr, len); 61688eea45cSKlaus Jensen 61788eea45cSKlaus Jensen if (nvme_addr_is_cmb(n, addr)) { 61888eea45cSKlaus Jensen cmb = true; 61988eea45cSKlaus Jensen } else if (nvme_addr_is_pmr(n, addr)) { 62088eea45cSKlaus Jensen pmr = true; 62188eea45cSKlaus Jensen } 62288eea45cSKlaus Jensen 62388eea45cSKlaus Jensen if (cmb || pmr) { 62488eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 62588eea45cSKlaus Jensen return NVME_INVALID_USE_OF_CMB | NVME_DNR; 62688eea45cSKlaus Jensen } 62788eea45cSKlaus Jensen 62823421473SPadmakar Kalghatgi if (sg->iov.niov + 1 > IOV_MAX) { 62923421473SPadmakar Kalghatgi goto max_mappings_exceeded; 63023421473SPadmakar Kalghatgi } 63123421473SPadmakar Kalghatgi 63288eea45cSKlaus Jensen if (cmb) { 63388eea45cSKlaus Jensen return nvme_map_addr_cmb(n, &sg->iov, addr, len); 63488eea45cSKlaus Jensen } else { 63588eea45cSKlaus Jensen return nvme_map_addr_pmr(n, &sg->iov, addr, len); 63688eea45cSKlaus Jensen } 63788eea45cSKlaus Jensen } 63888eea45cSKlaus Jensen 63988eea45cSKlaus Jensen if (!(sg->flags & NVME_SG_DMA)) { 64088eea45cSKlaus Jensen return NVME_INVALID_USE_OF_CMB | NVME_DNR; 64188eea45cSKlaus Jensen } 64288eea45cSKlaus Jensen 64323421473SPadmakar Kalghatgi if (sg->qsg.nsg + 1 > IOV_MAX) { 64423421473SPadmakar Kalghatgi goto max_mappings_exceeded; 64523421473SPadmakar Kalghatgi } 64623421473SPadmakar Kalghatgi 64788eea45cSKlaus Jensen qemu_sglist_add(&sg->qsg, addr, len); 64888eea45cSKlaus Jensen 64988eea45cSKlaus Jensen return NVME_SUCCESS; 65023421473SPadmakar Kalghatgi 65123421473SPadmakar Kalghatgi max_mappings_exceeded: 65223421473SPadmakar Kalghatgi NVME_GUEST_ERR(pci_nvme_ub_too_many_mappings, 65323421473SPadmakar Kalghatgi "number of mappings exceed 1024"); 65423421473SPadmakar Kalghatgi return NVME_INTERNAL_DEV_ERROR | NVME_DNR; 65588eea45cSKlaus Jensen } 65688eea45cSKlaus Jensen 65788eea45cSKlaus Jensen static inline bool nvme_addr_is_dma(NvmeCtrl *n, hwaddr addr) 65888eea45cSKlaus Jensen { 65988eea45cSKlaus Jensen return !(nvme_addr_is_cmb(n, addr) || nvme_addr_is_pmr(n, addr)); 66088eea45cSKlaus Jensen } 66188eea45cSKlaus Jensen 66288eea45cSKlaus Jensen static uint16_t nvme_map_prp(NvmeCtrl *n, NvmeSg *sg, uint64_t prp1, 66388eea45cSKlaus Jensen uint64_t prp2, uint32_t len) 66488eea45cSKlaus Jensen { 66588eea45cSKlaus Jensen hwaddr trans_len = n->page_size - (prp1 % n->page_size); 66688eea45cSKlaus Jensen trans_len = MIN(len, trans_len); 66788eea45cSKlaus Jensen int num_prps = (len >> n->page_bits) + 1; 66888eea45cSKlaus Jensen uint16_t status; 66988eea45cSKlaus Jensen int ret; 67088eea45cSKlaus Jensen 67188eea45cSKlaus Jensen trace_pci_nvme_map_prp(trans_len, len, prp1, prp2, num_prps); 67288eea45cSKlaus Jensen 67388eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, prp1)); 67488eea45cSKlaus Jensen 67588eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp1, trans_len); 67688eea45cSKlaus Jensen if (status) { 67788eea45cSKlaus Jensen goto unmap; 67888eea45cSKlaus Jensen } 67988eea45cSKlaus Jensen 68088eea45cSKlaus Jensen len -= trans_len; 68188eea45cSKlaus Jensen if (len) { 68288eea45cSKlaus Jensen if (len > n->page_size) { 68388eea45cSKlaus Jensen uint64_t prp_list[n->max_prp_ents]; 68488eea45cSKlaus Jensen uint32_t nents, prp_trans; 68588eea45cSKlaus Jensen int i = 0; 68688eea45cSKlaus Jensen 68788eea45cSKlaus Jensen /* 68888eea45cSKlaus Jensen * The first PRP list entry, pointed to by PRP2 may contain offset. 68988eea45cSKlaus Jensen * Hence, we need to calculate the number of entries in based on 69088eea45cSKlaus Jensen * that offset. 69188eea45cSKlaus Jensen */ 69288eea45cSKlaus Jensen nents = (n->page_size - (prp2 & (n->page_size - 1))) >> 3; 69388eea45cSKlaus Jensen prp_trans = MIN(n->max_prp_ents, nents) * sizeof(uint64_t); 69488eea45cSKlaus Jensen ret = nvme_addr_read(n, prp2, (void *)prp_list, prp_trans); 69588eea45cSKlaus Jensen if (ret) { 69688eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(prp2); 69788eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 69888eea45cSKlaus Jensen goto unmap; 69988eea45cSKlaus Jensen } 70088eea45cSKlaus Jensen while (len != 0) { 70188eea45cSKlaus Jensen uint64_t prp_ent = le64_to_cpu(prp_list[i]); 70288eea45cSKlaus Jensen 70388eea45cSKlaus Jensen if (i == nents - 1 && len > n->page_size) { 70488eea45cSKlaus Jensen if (unlikely(prp_ent & (n->page_size - 1))) { 70588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prplist_ent(prp_ent); 70688eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 70788eea45cSKlaus Jensen goto unmap; 70888eea45cSKlaus Jensen } 70988eea45cSKlaus Jensen 71088eea45cSKlaus Jensen i = 0; 71188eea45cSKlaus Jensen nents = (len + n->page_size - 1) >> n->page_bits; 71288eea45cSKlaus Jensen nents = MIN(nents, n->max_prp_ents); 71388eea45cSKlaus Jensen prp_trans = nents * sizeof(uint64_t); 71488eea45cSKlaus Jensen ret = nvme_addr_read(n, prp_ent, (void *)prp_list, 71588eea45cSKlaus Jensen prp_trans); 71688eea45cSKlaus Jensen if (ret) { 71788eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(prp_ent); 71888eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 71988eea45cSKlaus Jensen goto unmap; 72088eea45cSKlaus Jensen } 72188eea45cSKlaus Jensen prp_ent = le64_to_cpu(prp_list[i]); 72288eea45cSKlaus Jensen } 72388eea45cSKlaus Jensen 72488eea45cSKlaus Jensen if (unlikely(prp_ent & (n->page_size - 1))) { 72588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prplist_ent(prp_ent); 72688eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 72788eea45cSKlaus Jensen goto unmap; 72888eea45cSKlaus Jensen } 72988eea45cSKlaus Jensen 73088eea45cSKlaus Jensen trans_len = MIN(len, n->page_size); 73188eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp_ent, trans_len); 73288eea45cSKlaus Jensen if (status) { 73388eea45cSKlaus Jensen goto unmap; 73488eea45cSKlaus Jensen } 73588eea45cSKlaus Jensen 73688eea45cSKlaus Jensen len -= trans_len; 73788eea45cSKlaus Jensen i++; 73888eea45cSKlaus Jensen } 73988eea45cSKlaus Jensen } else { 74088eea45cSKlaus Jensen if (unlikely(prp2 & (n->page_size - 1))) { 74188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prp2_align(prp2); 74288eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 74388eea45cSKlaus Jensen goto unmap; 74488eea45cSKlaus Jensen } 74588eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp2, len); 74688eea45cSKlaus Jensen if (status) { 74788eea45cSKlaus Jensen goto unmap; 74888eea45cSKlaus Jensen } 74988eea45cSKlaus Jensen } 75088eea45cSKlaus Jensen } 75188eea45cSKlaus Jensen 75288eea45cSKlaus Jensen return NVME_SUCCESS; 75388eea45cSKlaus Jensen 75488eea45cSKlaus Jensen unmap: 75588eea45cSKlaus Jensen nvme_sg_unmap(sg); 75688eea45cSKlaus Jensen return status; 75788eea45cSKlaus Jensen } 75888eea45cSKlaus Jensen 75988eea45cSKlaus Jensen /* 76088eea45cSKlaus Jensen * Map 'nsgld' data descriptors from 'segment'. The function will subtract the 76188eea45cSKlaus Jensen * number of bytes mapped in len. 76288eea45cSKlaus Jensen */ 76388eea45cSKlaus Jensen static uint16_t nvme_map_sgl_data(NvmeCtrl *n, NvmeSg *sg, 76488eea45cSKlaus Jensen NvmeSglDescriptor *segment, uint64_t nsgld, 76588eea45cSKlaus Jensen size_t *len, NvmeCmd *cmd) 76688eea45cSKlaus Jensen { 76788eea45cSKlaus Jensen dma_addr_t addr, trans_len; 76888eea45cSKlaus Jensen uint32_t dlen; 76988eea45cSKlaus Jensen uint16_t status; 77088eea45cSKlaus Jensen 77188eea45cSKlaus Jensen for (int i = 0; i < nsgld; i++) { 77288eea45cSKlaus Jensen uint8_t type = NVME_SGL_TYPE(segment[i].type); 77388eea45cSKlaus Jensen 77488eea45cSKlaus Jensen switch (type) { 77588eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_BIT_BUCKET: 77688eea45cSKlaus Jensen if (cmd->opcode == NVME_CMD_WRITE) { 77788eea45cSKlaus Jensen continue; 77888eea45cSKlaus Jensen } 77988eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_DATA_BLOCK: 78088eea45cSKlaus Jensen break; 78188eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_SEGMENT: 78288eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_LAST_SEGMENT: 78388eea45cSKlaus Jensen return NVME_INVALID_NUM_SGL_DESCRS | NVME_DNR; 78488eea45cSKlaus Jensen default: 78588eea45cSKlaus Jensen return NVME_SGL_DESCR_TYPE_INVALID | NVME_DNR; 78688eea45cSKlaus Jensen } 78788eea45cSKlaus Jensen 78888eea45cSKlaus Jensen dlen = le32_to_cpu(segment[i].len); 78988eea45cSKlaus Jensen 79088eea45cSKlaus Jensen if (!dlen) { 79188eea45cSKlaus Jensen continue; 79288eea45cSKlaus Jensen } 79388eea45cSKlaus Jensen 79488eea45cSKlaus Jensen if (*len == 0) { 79588eea45cSKlaus Jensen /* 79688eea45cSKlaus Jensen * All data has been mapped, but the SGL contains additional 79788eea45cSKlaus Jensen * segments and/or descriptors. The controller might accept 79888eea45cSKlaus Jensen * ignoring the rest of the SGL. 79988eea45cSKlaus Jensen */ 80088eea45cSKlaus Jensen uint32_t sgls = le32_to_cpu(n->id_ctrl.sgls); 80188eea45cSKlaus Jensen if (sgls & NVME_CTRL_SGLS_EXCESS_LENGTH) { 80288eea45cSKlaus Jensen break; 80388eea45cSKlaus Jensen } 80488eea45cSKlaus Jensen 80588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_sgl_excess_length(dlen); 80688eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 80788eea45cSKlaus Jensen } 80888eea45cSKlaus Jensen 80988eea45cSKlaus Jensen trans_len = MIN(*len, dlen); 81088eea45cSKlaus Jensen 81188eea45cSKlaus Jensen if (type == NVME_SGL_DESCR_TYPE_BIT_BUCKET) { 81288eea45cSKlaus Jensen goto next; 81388eea45cSKlaus Jensen } 81488eea45cSKlaus Jensen 81588eea45cSKlaus Jensen addr = le64_to_cpu(segment[i].addr); 81688eea45cSKlaus Jensen 81788eea45cSKlaus Jensen if (UINT64_MAX - addr < dlen) { 81888eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 81988eea45cSKlaus Jensen } 82088eea45cSKlaus Jensen 82188eea45cSKlaus Jensen status = nvme_map_addr(n, sg, addr, trans_len); 82288eea45cSKlaus Jensen if (status) { 82388eea45cSKlaus Jensen return status; 82488eea45cSKlaus Jensen } 82588eea45cSKlaus Jensen 82688eea45cSKlaus Jensen next: 82788eea45cSKlaus Jensen *len -= trans_len; 82888eea45cSKlaus Jensen } 82988eea45cSKlaus Jensen 83088eea45cSKlaus Jensen return NVME_SUCCESS; 83188eea45cSKlaus Jensen } 83288eea45cSKlaus Jensen 83388eea45cSKlaus Jensen static uint16_t nvme_map_sgl(NvmeCtrl *n, NvmeSg *sg, NvmeSglDescriptor sgl, 83488eea45cSKlaus Jensen size_t len, NvmeCmd *cmd) 83588eea45cSKlaus Jensen { 83688eea45cSKlaus Jensen /* 83788eea45cSKlaus Jensen * Read the segment in chunks of 256 descriptors (one 4k page) to avoid 83888eea45cSKlaus Jensen * dynamically allocating a potentially huge SGL. The spec allows the SGL 83988eea45cSKlaus Jensen * to be larger (as in number of bytes required to describe the SGL 84088eea45cSKlaus Jensen * descriptors and segment chain) than the command transfer size, so it is 84188eea45cSKlaus Jensen * not bounded by MDTS. 84288eea45cSKlaus Jensen */ 84388eea45cSKlaus Jensen const int SEG_CHUNK_SIZE = 256; 84488eea45cSKlaus Jensen 84588eea45cSKlaus Jensen NvmeSglDescriptor segment[SEG_CHUNK_SIZE], *sgld, *last_sgld; 84688eea45cSKlaus Jensen uint64_t nsgld; 84788eea45cSKlaus Jensen uint32_t seg_len; 84888eea45cSKlaus Jensen uint16_t status; 84988eea45cSKlaus Jensen hwaddr addr; 85088eea45cSKlaus Jensen int ret; 85188eea45cSKlaus Jensen 85288eea45cSKlaus Jensen sgld = &sgl; 85388eea45cSKlaus Jensen addr = le64_to_cpu(sgl.addr); 85488eea45cSKlaus Jensen 85588eea45cSKlaus Jensen trace_pci_nvme_map_sgl(NVME_SGL_TYPE(sgl.type), len); 85688eea45cSKlaus Jensen 85788eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, addr)); 85888eea45cSKlaus Jensen 85988eea45cSKlaus Jensen /* 86088eea45cSKlaus Jensen * If the entire transfer can be described with a single data block it can 86188eea45cSKlaus Jensen * be mapped directly. 86288eea45cSKlaus Jensen */ 86388eea45cSKlaus Jensen if (NVME_SGL_TYPE(sgl.type) == NVME_SGL_DESCR_TYPE_DATA_BLOCK) { 86488eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, sgld, 1, &len, cmd); 86588eea45cSKlaus Jensen if (status) { 86688eea45cSKlaus Jensen goto unmap; 86788eea45cSKlaus Jensen } 86888eea45cSKlaus Jensen 86988eea45cSKlaus Jensen goto out; 87088eea45cSKlaus Jensen } 87188eea45cSKlaus Jensen 87288eea45cSKlaus Jensen for (;;) { 87388eea45cSKlaus Jensen switch (NVME_SGL_TYPE(sgld->type)) { 87488eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_SEGMENT: 87588eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_LAST_SEGMENT: 87688eea45cSKlaus Jensen break; 87788eea45cSKlaus Jensen default: 87888eea45cSKlaus Jensen return NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 87988eea45cSKlaus Jensen } 88088eea45cSKlaus Jensen 88188eea45cSKlaus Jensen seg_len = le32_to_cpu(sgld->len); 88288eea45cSKlaus Jensen 88388eea45cSKlaus Jensen /* check the length of the (Last) Segment descriptor */ 88488eea45cSKlaus Jensen if ((!seg_len || seg_len & 0xf) && 88588eea45cSKlaus Jensen (NVME_SGL_TYPE(sgld->type) != NVME_SGL_DESCR_TYPE_BIT_BUCKET)) { 88688eea45cSKlaus Jensen return NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 88788eea45cSKlaus Jensen } 88888eea45cSKlaus Jensen 88988eea45cSKlaus Jensen if (UINT64_MAX - addr < seg_len) { 89088eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 89188eea45cSKlaus Jensen } 89288eea45cSKlaus Jensen 89388eea45cSKlaus Jensen nsgld = seg_len / sizeof(NvmeSglDescriptor); 89488eea45cSKlaus Jensen 89588eea45cSKlaus Jensen while (nsgld > SEG_CHUNK_SIZE) { 89688eea45cSKlaus Jensen if (nvme_addr_read(n, addr, segment, sizeof(segment))) { 89788eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 89888eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 89988eea45cSKlaus Jensen goto unmap; 90088eea45cSKlaus Jensen } 90188eea45cSKlaus Jensen 90288eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, SEG_CHUNK_SIZE, 90388eea45cSKlaus Jensen &len, cmd); 90488eea45cSKlaus Jensen if (status) { 90588eea45cSKlaus Jensen goto unmap; 90688eea45cSKlaus Jensen } 90788eea45cSKlaus Jensen 90888eea45cSKlaus Jensen nsgld -= SEG_CHUNK_SIZE; 90988eea45cSKlaus Jensen addr += SEG_CHUNK_SIZE * sizeof(NvmeSglDescriptor); 91088eea45cSKlaus Jensen } 91188eea45cSKlaus Jensen 91288eea45cSKlaus Jensen ret = nvme_addr_read(n, addr, segment, nsgld * 91388eea45cSKlaus Jensen sizeof(NvmeSglDescriptor)); 91488eea45cSKlaus Jensen if (ret) { 91588eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 91688eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 91788eea45cSKlaus Jensen goto unmap; 91888eea45cSKlaus Jensen } 91988eea45cSKlaus Jensen 92088eea45cSKlaus Jensen last_sgld = &segment[nsgld - 1]; 92188eea45cSKlaus Jensen 92288eea45cSKlaus Jensen /* 92388eea45cSKlaus Jensen * If the segment ends with a Data Block or Bit Bucket Descriptor Type, 92488eea45cSKlaus Jensen * then we are done. 92588eea45cSKlaus Jensen */ 92688eea45cSKlaus Jensen switch (NVME_SGL_TYPE(last_sgld->type)) { 92788eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_DATA_BLOCK: 92888eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_BIT_BUCKET: 92988eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, nsgld, &len, cmd); 93088eea45cSKlaus Jensen if (status) { 93188eea45cSKlaus Jensen goto unmap; 93288eea45cSKlaus Jensen } 93388eea45cSKlaus Jensen 93488eea45cSKlaus Jensen goto out; 93588eea45cSKlaus Jensen 93688eea45cSKlaus Jensen default: 93788eea45cSKlaus Jensen break; 93888eea45cSKlaus Jensen } 93988eea45cSKlaus Jensen 94088eea45cSKlaus Jensen /* 94188eea45cSKlaus Jensen * If the last descriptor was not a Data Block or Bit Bucket, then the 94288eea45cSKlaus Jensen * current segment must not be a Last Segment. 94388eea45cSKlaus Jensen */ 94488eea45cSKlaus Jensen if (NVME_SGL_TYPE(sgld->type) == NVME_SGL_DESCR_TYPE_LAST_SEGMENT) { 94588eea45cSKlaus Jensen status = NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 94688eea45cSKlaus Jensen goto unmap; 94788eea45cSKlaus Jensen } 94888eea45cSKlaus Jensen 94988eea45cSKlaus Jensen sgld = last_sgld; 95088eea45cSKlaus Jensen addr = le64_to_cpu(sgld->addr); 95188eea45cSKlaus Jensen 95288eea45cSKlaus Jensen /* 95388eea45cSKlaus Jensen * Do not map the last descriptor; it will be a Segment or Last Segment 95488eea45cSKlaus Jensen * descriptor and is handled by the next iteration. 95588eea45cSKlaus Jensen */ 95688eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, nsgld - 1, &len, cmd); 95788eea45cSKlaus Jensen if (status) { 95888eea45cSKlaus Jensen goto unmap; 95988eea45cSKlaus Jensen } 96088eea45cSKlaus Jensen } 96188eea45cSKlaus Jensen 96288eea45cSKlaus Jensen out: 96388eea45cSKlaus Jensen /* if there is any residual left in len, the SGL was too short */ 96488eea45cSKlaus Jensen if (len) { 96588eea45cSKlaus Jensen status = NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 96688eea45cSKlaus Jensen goto unmap; 96788eea45cSKlaus Jensen } 96888eea45cSKlaus Jensen 96988eea45cSKlaus Jensen return NVME_SUCCESS; 97088eea45cSKlaus Jensen 97188eea45cSKlaus Jensen unmap: 97288eea45cSKlaus Jensen nvme_sg_unmap(sg); 97388eea45cSKlaus Jensen return status; 97488eea45cSKlaus Jensen } 97588eea45cSKlaus Jensen 97688eea45cSKlaus Jensen uint16_t nvme_map_dptr(NvmeCtrl *n, NvmeSg *sg, size_t len, 97788eea45cSKlaus Jensen NvmeCmd *cmd) 97888eea45cSKlaus Jensen { 97988eea45cSKlaus Jensen uint64_t prp1, prp2; 98088eea45cSKlaus Jensen 98188eea45cSKlaus Jensen switch (NVME_CMD_FLAGS_PSDT(cmd->flags)) { 98288eea45cSKlaus Jensen case NVME_PSDT_PRP: 98388eea45cSKlaus Jensen prp1 = le64_to_cpu(cmd->dptr.prp1); 98488eea45cSKlaus Jensen prp2 = le64_to_cpu(cmd->dptr.prp2); 98588eea45cSKlaus Jensen 98688eea45cSKlaus Jensen return nvme_map_prp(n, sg, prp1, prp2, len); 98788eea45cSKlaus Jensen case NVME_PSDT_SGL_MPTR_CONTIGUOUS: 98888eea45cSKlaus Jensen case NVME_PSDT_SGL_MPTR_SGL: 98988eea45cSKlaus Jensen return nvme_map_sgl(n, sg, cmd->dptr.sgl, len, cmd); 99088eea45cSKlaus Jensen default: 99188eea45cSKlaus Jensen return NVME_INVALID_FIELD; 99288eea45cSKlaus Jensen } 99388eea45cSKlaus Jensen } 99488eea45cSKlaus Jensen 99588eea45cSKlaus Jensen static uint16_t nvme_map_mptr(NvmeCtrl *n, NvmeSg *sg, size_t len, 99688eea45cSKlaus Jensen NvmeCmd *cmd) 99788eea45cSKlaus Jensen { 99888eea45cSKlaus Jensen int psdt = NVME_CMD_FLAGS_PSDT(cmd->flags); 99988eea45cSKlaus Jensen hwaddr mptr = le64_to_cpu(cmd->mptr); 100088eea45cSKlaus Jensen uint16_t status; 100188eea45cSKlaus Jensen 100288eea45cSKlaus Jensen if (psdt == NVME_PSDT_SGL_MPTR_SGL) { 100388eea45cSKlaus Jensen NvmeSglDescriptor sgl; 100488eea45cSKlaus Jensen 100588eea45cSKlaus Jensen if (nvme_addr_read(n, mptr, &sgl, sizeof(sgl))) { 100688eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 100788eea45cSKlaus Jensen } 100888eea45cSKlaus Jensen 100988eea45cSKlaus Jensen status = nvme_map_sgl(n, sg, sgl, len, cmd); 101088eea45cSKlaus Jensen if (status && (status & 0x7ff) == NVME_DATA_SGL_LEN_INVALID) { 101188eea45cSKlaus Jensen status = NVME_MD_SGL_LEN_INVALID | NVME_DNR; 101288eea45cSKlaus Jensen } 101388eea45cSKlaus Jensen 101488eea45cSKlaus Jensen return status; 101588eea45cSKlaus Jensen } 101688eea45cSKlaus Jensen 101788eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, mptr)); 101888eea45cSKlaus Jensen status = nvme_map_addr(n, sg, mptr, len); 101988eea45cSKlaus Jensen if (status) { 102088eea45cSKlaus Jensen nvme_sg_unmap(sg); 102188eea45cSKlaus Jensen } 102288eea45cSKlaus Jensen 102388eea45cSKlaus Jensen return status; 102488eea45cSKlaus Jensen } 102588eea45cSKlaus Jensen 102688eea45cSKlaus Jensen static uint16_t nvme_map_data(NvmeCtrl *n, uint32_t nlb, NvmeRequest *req) 102788eea45cSKlaus Jensen { 102888eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 102988eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 10302a132309SKlaus Jensen bool pi = !!NVME_ID_NS_DPS_TYPE(ns->id_ns.dps); 10312a132309SKlaus Jensen bool pract = !!(le16_to_cpu(rw->control) & NVME_RW_PRINFO_PRACT); 103288eea45cSKlaus Jensen size_t len = nvme_l2b(ns, nlb); 103388eea45cSKlaus Jensen uint16_t status; 103488eea45cSKlaus Jensen 10352a132309SKlaus Jensen if (nvme_ns_ext(ns) && !(pi && pract && ns->lbaf.ms == 8)) { 103688eea45cSKlaus Jensen NvmeSg sg; 103788eea45cSKlaus Jensen 103888eea45cSKlaus Jensen len += nvme_m2b(ns, nlb); 103988eea45cSKlaus Jensen 104088eea45cSKlaus Jensen status = nvme_map_dptr(n, &sg, len, &req->cmd); 104188eea45cSKlaus Jensen if (status) { 104288eea45cSKlaus Jensen return status; 104388eea45cSKlaus Jensen } 104488eea45cSKlaus Jensen 104588eea45cSKlaus Jensen nvme_sg_init(n, &req->sg, sg.flags & NVME_SG_DMA); 104688eea45cSKlaus Jensen nvme_sg_split(&sg, ns, &req->sg, NULL); 104788eea45cSKlaus Jensen nvme_sg_unmap(&sg); 104888eea45cSKlaus Jensen 104988eea45cSKlaus Jensen return NVME_SUCCESS; 105088eea45cSKlaus Jensen } 105188eea45cSKlaus Jensen 105288eea45cSKlaus Jensen return nvme_map_dptr(n, &req->sg, len, &req->cmd); 105388eea45cSKlaus Jensen } 105488eea45cSKlaus Jensen 105588eea45cSKlaus Jensen static uint16_t nvme_map_mdata(NvmeCtrl *n, uint32_t nlb, NvmeRequest *req) 105688eea45cSKlaus Jensen { 105788eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 105888eea45cSKlaus Jensen size_t len = nvme_m2b(ns, nlb); 105988eea45cSKlaus Jensen uint16_t status; 106088eea45cSKlaus Jensen 106188eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 106288eea45cSKlaus Jensen NvmeSg sg; 106388eea45cSKlaus Jensen 106488eea45cSKlaus Jensen len += nvme_l2b(ns, nlb); 106588eea45cSKlaus Jensen 106688eea45cSKlaus Jensen status = nvme_map_dptr(n, &sg, len, &req->cmd); 106788eea45cSKlaus Jensen if (status) { 106888eea45cSKlaus Jensen return status; 106988eea45cSKlaus Jensen } 107088eea45cSKlaus Jensen 107188eea45cSKlaus Jensen nvme_sg_init(n, &req->sg, sg.flags & NVME_SG_DMA); 107288eea45cSKlaus Jensen nvme_sg_split(&sg, ns, NULL, &req->sg); 107388eea45cSKlaus Jensen nvme_sg_unmap(&sg); 107488eea45cSKlaus Jensen 107588eea45cSKlaus Jensen return NVME_SUCCESS; 107688eea45cSKlaus Jensen } 107788eea45cSKlaus Jensen 107888eea45cSKlaus Jensen return nvme_map_mptr(n, &req->sg, len, &req->cmd); 107988eea45cSKlaus Jensen } 108088eea45cSKlaus Jensen 108188eea45cSKlaus Jensen static uint16_t nvme_tx_interleaved(NvmeCtrl *n, NvmeSg *sg, uint8_t *ptr, 108288eea45cSKlaus Jensen uint32_t len, uint32_t bytes, 108388eea45cSKlaus Jensen int32_t skip_bytes, int64_t offset, 108488eea45cSKlaus Jensen NvmeTxDirection dir) 108588eea45cSKlaus Jensen { 108688eea45cSKlaus Jensen hwaddr addr; 108788eea45cSKlaus Jensen uint32_t trans_len, count = bytes; 108888eea45cSKlaus Jensen bool dma = sg->flags & NVME_SG_DMA; 108988eea45cSKlaus Jensen int64_t sge_len; 109088eea45cSKlaus Jensen int sg_idx = 0; 109188eea45cSKlaus Jensen int ret; 109288eea45cSKlaus Jensen 109388eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 109488eea45cSKlaus Jensen 109588eea45cSKlaus Jensen while (len) { 109688eea45cSKlaus Jensen sge_len = dma ? sg->qsg.sg[sg_idx].len : sg->iov.iov[sg_idx].iov_len; 109788eea45cSKlaus Jensen 109888eea45cSKlaus Jensen if (sge_len - offset < 0) { 109988eea45cSKlaus Jensen offset -= sge_len; 110088eea45cSKlaus Jensen sg_idx++; 110188eea45cSKlaus Jensen continue; 110288eea45cSKlaus Jensen } 110388eea45cSKlaus Jensen 110488eea45cSKlaus Jensen if (sge_len == offset) { 110588eea45cSKlaus Jensen offset = 0; 110688eea45cSKlaus Jensen sg_idx++; 110788eea45cSKlaus Jensen continue; 110888eea45cSKlaus Jensen } 110988eea45cSKlaus Jensen 111088eea45cSKlaus Jensen trans_len = MIN(len, count); 111188eea45cSKlaus Jensen trans_len = MIN(trans_len, sge_len - offset); 111288eea45cSKlaus Jensen 111388eea45cSKlaus Jensen if (dma) { 111488eea45cSKlaus Jensen addr = sg->qsg.sg[sg_idx].base + offset; 111588eea45cSKlaus Jensen } else { 111688eea45cSKlaus Jensen addr = (hwaddr)(uintptr_t)sg->iov.iov[sg_idx].iov_base + offset; 111788eea45cSKlaus Jensen } 111888eea45cSKlaus Jensen 111988eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 112088eea45cSKlaus Jensen ret = nvme_addr_read(n, addr, ptr, trans_len); 112188eea45cSKlaus Jensen } else { 112288eea45cSKlaus Jensen ret = nvme_addr_write(n, addr, ptr, trans_len); 112388eea45cSKlaus Jensen } 112488eea45cSKlaus Jensen 112588eea45cSKlaus Jensen if (ret) { 112688eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 112788eea45cSKlaus Jensen } 112888eea45cSKlaus Jensen 112988eea45cSKlaus Jensen ptr += trans_len; 113088eea45cSKlaus Jensen len -= trans_len; 113188eea45cSKlaus Jensen count -= trans_len; 113288eea45cSKlaus Jensen offset += trans_len; 113388eea45cSKlaus Jensen 113488eea45cSKlaus Jensen if (count == 0) { 113588eea45cSKlaus Jensen count = bytes; 113688eea45cSKlaus Jensen offset += skip_bytes; 113788eea45cSKlaus Jensen } 113888eea45cSKlaus Jensen } 113988eea45cSKlaus Jensen 114088eea45cSKlaus Jensen return NVME_SUCCESS; 114188eea45cSKlaus Jensen } 114288eea45cSKlaus Jensen 114388eea45cSKlaus Jensen static uint16_t nvme_tx(NvmeCtrl *n, NvmeSg *sg, uint8_t *ptr, uint32_t len, 114488eea45cSKlaus Jensen NvmeTxDirection dir) 114588eea45cSKlaus Jensen { 114688eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 114788eea45cSKlaus Jensen 114888eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 114988eea45cSKlaus Jensen uint64_t residual; 115088eea45cSKlaus Jensen 115188eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 115288eea45cSKlaus Jensen residual = dma_buf_write(ptr, len, &sg->qsg); 115388eea45cSKlaus Jensen } else { 115488eea45cSKlaus Jensen residual = dma_buf_read(ptr, len, &sg->qsg); 115588eea45cSKlaus Jensen } 115688eea45cSKlaus Jensen 115788eea45cSKlaus Jensen if (unlikely(residual)) { 115888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_dma(); 115988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 116088eea45cSKlaus Jensen } 116188eea45cSKlaus Jensen } else { 116288eea45cSKlaus Jensen size_t bytes; 116388eea45cSKlaus Jensen 116488eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 116588eea45cSKlaus Jensen bytes = qemu_iovec_to_buf(&sg->iov, 0, ptr, len); 116688eea45cSKlaus Jensen } else { 116788eea45cSKlaus Jensen bytes = qemu_iovec_from_buf(&sg->iov, 0, ptr, len); 116888eea45cSKlaus Jensen } 116988eea45cSKlaus Jensen 117088eea45cSKlaus Jensen if (unlikely(bytes != len)) { 117188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_dma(); 117288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 117388eea45cSKlaus Jensen } 117488eea45cSKlaus Jensen } 117588eea45cSKlaus Jensen 117688eea45cSKlaus Jensen return NVME_SUCCESS; 117788eea45cSKlaus Jensen } 117888eea45cSKlaus Jensen 117988eea45cSKlaus Jensen static inline uint16_t nvme_c2h(NvmeCtrl *n, uint8_t *ptr, uint32_t len, 118088eea45cSKlaus Jensen NvmeRequest *req) 118188eea45cSKlaus Jensen { 118288eea45cSKlaus Jensen uint16_t status; 118388eea45cSKlaus Jensen 118488eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 118588eea45cSKlaus Jensen if (status) { 118688eea45cSKlaus Jensen return status; 118788eea45cSKlaus Jensen } 118888eea45cSKlaus Jensen 118988eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, NVME_TX_DIRECTION_FROM_DEVICE); 119088eea45cSKlaus Jensen } 119188eea45cSKlaus Jensen 119288eea45cSKlaus Jensen static inline uint16_t nvme_h2c(NvmeCtrl *n, uint8_t *ptr, uint32_t len, 119388eea45cSKlaus Jensen NvmeRequest *req) 119488eea45cSKlaus Jensen { 119588eea45cSKlaus Jensen uint16_t status; 119688eea45cSKlaus Jensen 119788eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 119888eea45cSKlaus Jensen if (status) { 119988eea45cSKlaus Jensen return status; 120088eea45cSKlaus Jensen } 120188eea45cSKlaus Jensen 120288eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, NVME_TX_DIRECTION_TO_DEVICE); 120388eea45cSKlaus Jensen } 120488eea45cSKlaus Jensen 120588eea45cSKlaus Jensen uint16_t nvme_bounce_data(NvmeCtrl *n, uint8_t *ptr, uint32_t len, 120688eea45cSKlaus Jensen NvmeTxDirection dir, NvmeRequest *req) 120788eea45cSKlaus Jensen { 120888eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 120988eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 12102a132309SKlaus Jensen bool pi = !!NVME_ID_NS_DPS_TYPE(ns->id_ns.dps); 12112a132309SKlaus Jensen bool pract = !!(le16_to_cpu(rw->control) & NVME_RW_PRINFO_PRACT); 121288eea45cSKlaus Jensen 12132a132309SKlaus Jensen if (nvme_ns_ext(ns) && !(pi && pract && ns->lbaf.ms == 8)) { 121488eea45cSKlaus Jensen return nvme_tx_interleaved(n, &req->sg, ptr, len, ns->lbasz, 121588eea45cSKlaus Jensen ns->lbaf.ms, 0, dir); 121688eea45cSKlaus Jensen } 121788eea45cSKlaus Jensen 121888eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, dir); 121988eea45cSKlaus Jensen } 122088eea45cSKlaus Jensen 122188eea45cSKlaus Jensen uint16_t nvme_bounce_mdata(NvmeCtrl *n, uint8_t *ptr, uint32_t len, 122288eea45cSKlaus Jensen NvmeTxDirection dir, NvmeRequest *req) 122388eea45cSKlaus Jensen { 122488eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 122588eea45cSKlaus Jensen uint16_t status; 122688eea45cSKlaus Jensen 122788eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 122888eea45cSKlaus Jensen return nvme_tx_interleaved(n, &req->sg, ptr, len, ns->lbaf.ms, 122988eea45cSKlaus Jensen ns->lbasz, ns->lbasz, dir); 123088eea45cSKlaus Jensen } 123188eea45cSKlaus Jensen 123288eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 123388eea45cSKlaus Jensen 123488eea45cSKlaus Jensen status = nvme_map_mptr(n, &req->sg, len, &req->cmd); 123588eea45cSKlaus Jensen if (status) { 123688eea45cSKlaus Jensen return status; 123788eea45cSKlaus Jensen } 123888eea45cSKlaus Jensen 123988eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, dir); 124088eea45cSKlaus Jensen } 124188eea45cSKlaus Jensen 124288eea45cSKlaus Jensen static inline void nvme_blk_read(BlockBackend *blk, int64_t offset, 124388eea45cSKlaus Jensen BlockCompletionFunc *cb, NvmeRequest *req) 124488eea45cSKlaus Jensen { 124588eea45cSKlaus Jensen assert(req->sg.flags & NVME_SG_ALLOC); 124688eea45cSKlaus Jensen 124788eea45cSKlaus Jensen if (req->sg.flags & NVME_SG_DMA) { 124888eea45cSKlaus Jensen req->aiocb = dma_blk_read(blk, &req->sg.qsg, offset, BDRV_SECTOR_SIZE, 124988eea45cSKlaus Jensen cb, req); 125088eea45cSKlaus Jensen } else { 125188eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &req->sg.iov, 0, cb, req); 125288eea45cSKlaus Jensen } 125388eea45cSKlaus Jensen } 125488eea45cSKlaus Jensen 125588eea45cSKlaus Jensen static inline void nvme_blk_write(BlockBackend *blk, int64_t offset, 125688eea45cSKlaus Jensen BlockCompletionFunc *cb, NvmeRequest *req) 125788eea45cSKlaus Jensen { 125888eea45cSKlaus Jensen assert(req->sg.flags & NVME_SG_ALLOC); 125988eea45cSKlaus Jensen 126088eea45cSKlaus Jensen if (req->sg.flags & NVME_SG_DMA) { 126188eea45cSKlaus Jensen req->aiocb = dma_blk_write(blk, &req->sg.qsg, offset, BDRV_SECTOR_SIZE, 126288eea45cSKlaus Jensen cb, req); 126388eea45cSKlaus Jensen } else { 126488eea45cSKlaus Jensen req->aiocb = blk_aio_pwritev(blk, offset, &req->sg.iov, 0, cb, req); 126588eea45cSKlaus Jensen } 126688eea45cSKlaus Jensen } 126788eea45cSKlaus Jensen 126888eea45cSKlaus Jensen static void nvme_post_cqes(void *opaque) 126988eea45cSKlaus Jensen { 127088eea45cSKlaus Jensen NvmeCQueue *cq = opaque; 127188eea45cSKlaus Jensen NvmeCtrl *n = cq->ctrl; 127288eea45cSKlaus Jensen NvmeRequest *req, *next; 127383d7ed5cSKlaus Jensen bool pending = cq->head != cq->tail; 127488eea45cSKlaus Jensen int ret; 127588eea45cSKlaus Jensen 127688eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(req, &cq->req_list, entry, next) { 127788eea45cSKlaus Jensen NvmeSQueue *sq; 127888eea45cSKlaus Jensen hwaddr addr; 127988eea45cSKlaus Jensen 128088eea45cSKlaus Jensen if (nvme_cq_full(cq)) { 128188eea45cSKlaus Jensen break; 128288eea45cSKlaus Jensen } 128388eea45cSKlaus Jensen 128488eea45cSKlaus Jensen sq = req->sq; 128588eea45cSKlaus Jensen req->cqe.status = cpu_to_le16((req->status << 1) | cq->phase); 128688eea45cSKlaus Jensen req->cqe.sq_id = cpu_to_le16(sq->sqid); 128788eea45cSKlaus Jensen req->cqe.sq_head = cpu_to_le16(sq->head); 128888eea45cSKlaus Jensen addr = cq->dma_addr + cq->tail * n->cqe_size; 128988eea45cSKlaus Jensen ret = pci_dma_write(&n->parent_obj, addr, (void *)&req->cqe, 129088eea45cSKlaus Jensen sizeof(req->cqe)); 129188eea45cSKlaus Jensen if (ret) { 129288eea45cSKlaus Jensen trace_pci_nvme_err_addr_write(addr); 129388eea45cSKlaus Jensen trace_pci_nvme_err_cfs(); 129449e03457SKlaus Jensen stl_le_p(&n->bar.csts, NVME_CSTS_FAILED); 129588eea45cSKlaus Jensen break; 129688eea45cSKlaus Jensen } 129788eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->req_list, req, entry); 129888eea45cSKlaus Jensen nvme_inc_cq_tail(cq); 129988eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 130088eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->req_list, req, entry); 130188eea45cSKlaus Jensen } 130288eea45cSKlaus Jensen if (cq->tail != cq->head) { 130383d7ed5cSKlaus Jensen if (cq->irq_enabled && !pending) { 130483d7ed5cSKlaus Jensen n->cq_pending++; 130583d7ed5cSKlaus Jensen } 130683d7ed5cSKlaus Jensen 130788eea45cSKlaus Jensen nvme_irq_assert(n, cq); 130888eea45cSKlaus Jensen } 130988eea45cSKlaus Jensen } 131088eea45cSKlaus Jensen 131188eea45cSKlaus Jensen static void nvme_enqueue_req_completion(NvmeCQueue *cq, NvmeRequest *req) 131288eea45cSKlaus Jensen { 131388eea45cSKlaus Jensen assert(cq->cqid == req->sq->cqid); 131488eea45cSKlaus Jensen trace_pci_nvme_enqueue_req_completion(nvme_cid(req), cq->cqid, 1315f1c97407SKlaus Jensen le32_to_cpu(req->cqe.result), 1316f1c97407SKlaus Jensen le32_to_cpu(req->cqe.dw1), 131788eea45cSKlaus Jensen req->status); 131888eea45cSKlaus Jensen 131988eea45cSKlaus Jensen if (req->status) { 132088eea45cSKlaus Jensen trace_pci_nvme_err_req_status(nvme_cid(req), nvme_nsid(req->ns), 132188eea45cSKlaus Jensen req->status, req->cmd.opcode); 132288eea45cSKlaus Jensen } 132388eea45cSKlaus Jensen 132488eea45cSKlaus Jensen QTAILQ_REMOVE(&req->sq->out_req_list, req, entry); 132588eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&cq->req_list, req, entry); 132688eea45cSKlaus Jensen timer_mod(cq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); 132788eea45cSKlaus Jensen } 132888eea45cSKlaus Jensen 132988eea45cSKlaus Jensen static void nvme_process_aers(void *opaque) 133088eea45cSKlaus Jensen { 133188eea45cSKlaus Jensen NvmeCtrl *n = opaque; 133288eea45cSKlaus Jensen NvmeAsyncEvent *event, *next; 133388eea45cSKlaus Jensen 133488eea45cSKlaus Jensen trace_pci_nvme_process_aers(n->aer_queued); 133588eea45cSKlaus Jensen 133688eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(event, &n->aer_queue, entry, next) { 133788eea45cSKlaus Jensen NvmeRequest *req; 133888eea45cSKlaus Jensen NvmeAerResult *result; 133988eea45cSKlaus Jensen 134088eea45cSKlaus Jensen /* can't post cqe if there is nothing to complete */ 134188eea45cSKlaus Jensen if (!n->outstanding_aers) { 134288eea45cSKlaus Jensen trace_pci_nvme_no_outstanding_aers(); 134388eea45cSKlaus Jensen break; 134488eea45cSKlaus Jensen } 134588eea45cSKlaus Jensen 134688eea45cSKlaus Jensen /* ignore if masked (cqe posted, but event not cleared) */ 134788eea45cSKlaus Jensen if (n->aer_mask & (1 << event->result.event_type)) { 134888eea45cSKlaus Jensen trace_pci_nvme_aer_masked(event->result.event_type, n->aer_mask); 134988eea45cSKlaus Jensen continue; 135088eea45cSKlaus Jensen } 135188eea45cSKlaus Jensen 135288eea45cSKlaus Jensen QTAILQ_REMOVE(&n->aer_queue, event, entry); 135388eea45cSKlaus Jensen n->aer_queued--; 135488eea45cSKlaus Jensen 135588eea45cSKlaus Jensen n->aer_mask |= 1 << event->result.event_type; 135688eea45cSKlaus Jensen n->outstanding_aers--; 135788eea45cSKlaus Jensen 135888eea45cSKlaus Jensen req = n->aer_reqs[n->outstanding_aers]; 135988eea45cSKlaus Jensen 136088eea45cSKlaus Jensen result = (NvmeAerResult *) &req->cqe.result; 136188eea45cSKlaus Jensen result->event_type = event->result.event_type; 136288eea45cSKlaus Jensen result->event_info = event->result.event_info; 136388eea45cSKlaus Jensen result->log_page = event->result.log_page; 136488eea45cSKlaus Jensen g_free(event); 136588eea45cSKlaus Jensen 136688eea45cSKlaus Jensen trace_pci_nvme_aer_post_cqe(result->event_type, result->event_info, 136788eea45cSKlaus Jensen result->log_page); 136888eea45cSKlaus Jensen 136988eea45cSKlaus Jensen nvme_enqueue_req_completion(&n->admin_cq, req); 137088eea45cSKlaus Jensen } 137188eea45cSKlaus Jensen } 137288eea45cSKlaus Jensen 137388eea45cSKlaus Jensen static void nvme_enqueue_event(NvmeCtrl *n, uint8_t event_type, 137488eea45cSKlaus Jensen uint8_t event_info, uint8_t log_page) 137588eea45cSKlaus Jensen { 137688eea45cSKlaus Jensen NvmeAsyncEvent *event; 137788eea45cSKlaus Jensen 137888eea45cSKlaus Jensen trace_pci_nvme_enqueue_event(event_type, event_info, log_page); 137988eea45cSKlaus Jensen 138088eea45cSKlaus Jensen if (n->aer_queued == n->params.aer_max_queued) { 138188eea45cSKlaus Jensen trace_pci_nvme_enqueue_event_noqueue(n->aer_queued); 138288eea45cSKlaus Jensen return; 138388eea45cSKlaus Jensen } 138488eea45cSKlaus Jensen 138588eea45cSKlaus Jensen event = g_new(NvmeAsyncEvent, 1); 138688eea45cSKlaus Jensen event->result = (NvmeAerResult) { 138788eea45cSKlaus Jensen .event_type = event_type, 138888eea45cSKlaus Jensen .event_info = event_info, 138988eea45cSKlaus Jensen .log_page = log_page, 139088eea45cSKlaus Jensen }; 139188eea45cSKlaus Jensen 139288eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&n->aer_queue, event, entry); 139388eea45cSKlaus Jensen n->aer_queued++; 139488eea45cSKlaus Jensen 139588eea45cSKlaus Jensen nvme_process_aers(n); 139688eea45cSKlaus Jensen } 139788eea45cSKlaus Jensen 139888eea45cSKlaus Jensen static void nvme_smart_event(NvmeCtrl *n, uint8_t event) 139988eea45cSKlaus Jensen { 140088eea45cSKlaus Jensen uint8_t aer_info; 140188eea45cSKlaus Jensen 140288eea45cSKlaus Jensen /* Ref SPEC <Asynchronous Event Information 0x2013 SMART / Health Status> */ 140388eea45cSKlaus Jensen if (!(NVME_AEC_SMART(n->features.async_config) & event)) { 140488eea45cSKlaus Jensen return; 140588eea45cSKlaus Jensen } 140688eea45cSKlaus Jensen 140788eea45cSKlaus Jensen switch (event) { 140888eea45cSKlaus Jensen case NVME_SMART_SPARE: 140988eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_SPARE_THRESH; 141088eea45cSKlaus Jensen break; 141188eea45cSKlaus Jensen case NVME_SMART_TEMPERATURE: 141288eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_TEMP_THRESH; 141388eea45cSKlaus Jensen break; 141488eea45cSKlaus Jensen case NVME_SMART_RELIABILITY: 141588eea45cSKlaus Jensen case NVME_SMART_MEDIA_READ_ONLY: 141688eea45cSKlaus Jensen case NVME_SMART_FAILED_VOLATILE_MEDIA: 141788eea45cSKlaus Jensen case NVME_SMART_PMR_UNRELIABLE: 141888eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_RELIABILITY; 141988eea45cSKlaus Jensen break; 142088eea45cSKlaus Jensen default: 142188eea45cSKlaus Jensen return; 142288eea45cSKlaus Jensen } 142388eea45cSKlaus Jensen 142488eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_SMART, aer_info, NVME_LOG_SMART_INFO); 142588eea45cSKlaus Jensen } 142688eea45cSKlaus Jensen 142788eea45cSKlaus Jensen static void nvme_clear_events(NvmeCtrl *n, uint8_t event_type) 142888eea45cSKlaus Jensen { 142988eea45cSKlaus Jensen n->aer_mask &= ~(1 << event_type); 143088eea45cSKlaus Jensen if (!QTAILQ_EMPTY(&n->aer_queue)) { 143188eea45cSKlaus Jensen nvme_process_aers(n); 143288eea45cSKlaus Jensen } 143388eea45cSKlaus Jensen } 143488eea45cSKlaus Jensen 143588eea45cSKlaus Jensen static inline uint16_t nvme_check_mdts(NvmeCtrl *n, size_t len) 143688eea45cSKlaus Jensen { 143788eea45cSKlaus Jensen uint8_t mdts = n->params.mdts; 143888eea45cSKlaus Jensen 143988eea45cSKlaus Jensen if (mdts && len > n->page_size << mdts) { 144088eea45cSKlaus Jensen trace_pci_nvme_err_mdts(len); 144188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 144288eea45cSKlaus Jensen } 144388eea45cSKlaus Jensen 144488eea45cSKlaus Jensen return NVME_SUCCESS; 144588eea45cSKlaus Jensen } 144688eea45cSKlaus Jensen 144788eea45cSKlaus Jensen static inline uint16_t nvme_check_bounds(NvmeNamespace *ns, uint64_t slba, 144888eea45cSKlaus Jensen uint32_t nlb) 144988eea45cSKlaus Jensen { 145088eea45cSKlaus Jensen uint64_t nsze = le64_to_cpu(ns->id_ns.nsze); 145188eea45cSKlaus Jensen 145288eea45cSKlaus Jensen if (unlikely(UINT64_MAX - slba < nlb || slba + nlb > nsze)) { 145388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(slba, nlb, nsze); 145488eea45cSKlaus Jensen return NVME_LBA_RANGE | NVME_DNR; 145588eea45cSKlaus Jensen } 145688eea45cSKlaus Jensen 145788eea45cSKlaus Jensen return NVME_SUCCESS; 145888eea45cSKlaus Jensen } 145988eea45cSKlaus Jensen 1460ff0ac2c8SKlaus Jensen static int nvme_block_status_all(NvmeNamespace *ns, uint64_t slba, 1461ff0ac2c8SKlaus Jensen uint32_t nlb, int flags) 146288eea45cSKlaus Jensen { 146388eea45cSKlaus Jensen BlockDriverState *bs = blk_bs(ns->blkconf.blk); 146488eea45cSKlaus Jensen 146588eea45cSKlaus Jensen int64_t pnum = 0, bytes = nvme_l2b(ns, nlb); 146688eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 146788eea45cSKlaus Jensen int ret; 146888eea45cSKlaus Jensen 146988eea45cSKlaus Jensen /* 147088eea45cSKlaus Jensen * `pnum` holds the number of bytes after offset that shares the same 147188eea45cSKlaus Jensen * allocation status as the byte at offset. If `pnum` is different from 147288eea45cSKlaus Jensen * `bytes`, we should check the allocation status of the next range and 147388eea45cSKlaus Jensen * continue this until all bytes have been checked. 147488eea45cSKlaus Jensen */ 147588eea45cSKlaus Jensen do { 147688eea45cSKlaus Jensen bytes -= pnum; 147788eea45cSKlaus Jensen 147888eea45cSKlaus Jensen ret = bdrv_block_status(bs, offset, bytes, &pnum, NULL, NULL); 147988eea45cSKlaus Jensen if (ret < 0) { 1480ff0ac2c8SKlaus Jensen return ret; 148188eea45cSKlaus Jensen } 148288eea45cSKlaus Jensen 148388eea45cSKlaus Jensen 1484ff0ac2c8SKlaus Jensen trace_pci_nvme_block_status(offset, bytes, pnum, ret, 1485ff0ac2c8SKlaus Jensen !!(ret & BDRV_BLOCK_ZERO)); 148688eea45cSKlaus Jensen 1487ff0ac2c8SKlaus Jensen if (!(ret & flags)) { 1488ff0ac2c8SKlaus Jensen return 1; 148988eea45cSKlaus Jensen } 149088eea45cSKlaus Jensen 149188eea45cSKlaus Jensen offset += pnum; 149288eea45cSKlaus Jensen } while (pnum != bytes); 149388eea45cSKlaus Jensen 1494ff0ac2c8SKlaus Jensen return 0; 1495ff0ac2c8SKlaus Jensen } 1496ff0ac2c8SKlaus Jensen 1497ff0ac2c8SKlaus Jensen static uint16_t nvme_check_dulbe(NvmeNamespace *ns, uint64_t slba, 1498ff0ac2c8SKlaus Jensen uint32_t nlb) 1499ff0ac2c8SKlaus Jensen { 1500ff0ac2c8SKlaus Jensen int ret; 1501ff0ac2c8SKlaus Jensen Error *err = NULL; 1502ff0ac2c8SKlaus Jensen 1503ff0ac2c8SKlaus Jensen ret = nvme_block_status_all(ns, slba, nlb, BDRV_BLOCK_DATA); 1504ff0ac2c8SKlaus Jensen if (ret) { 1505ff0ac2c8SKlaus Jensen if (ret < 0) { 1506ff0ac2c8SKlaus Jensen error_setg_errno(&err, -ret, "unable to get block status"); 1507ff0ac2c8SKlaus Jensen error_report_err(err); 1508ff0ac2c8SKlaus Jensen 1509ff0ac2c8SKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 1510ff0ac2c8SKlaus Jensen } 1511ff0ac2c8SKlaus Jensen 1512ff0ac2c8SKlaus Jensen return NVME_DULB; 1513ff0ac2c8SKlaus Jensen } 1514ff0ac2c8SKlaus Jensen 151588eea45cSKlaus Jensen return NVME_SUCCESS; 151688eea45cSKlaus Jensen } 151788eea45cSKlaus Jensen 151888eea45cSKlaus Jensen static void nvme_aio_err(NvmeRequest *req, int ret) 151988eea45cSKlaus Jensen { 152088eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 152188eea45cSKlaus Jensen Error *local_err = NULL; 152288eea45cSKlaus Jensen 152388eea45cSKlaus Jensen switch (req->cmd.opcode) { 152488eea45cSKlaus Jensen case NVME_CMD_READ: 152588eea45cSKlaus Jensen status = NVME_UNRECOVERED_READ; 152688eea45cSKlaus Jensen break; 152788eea45cSKlaus Jensen case NVME_CMD_FLUSH: 152888eea45cSKlaus Jensen case NVME_CMD_WRITE: 152988eea45cSKlaus Jensen case NVME_CMD_WRITE_ZEROES: 153088eea45cSKlaus Jensen case NVME_CMD_ZONE_APPEND: 153188eea45cSKlaus Jensen status = NVME_WRITE_FAULT; 153288eea45cSKlaus Jensen break; 153388eea45cSKlaus Jensen default: 153488eea45cSKlaus Jensen status = NVME_INTERNAL_DEV_ERROR; 153588eea45cSKlaus Jensen break; 153688eea45cSKlaus Jensen } 153788eea45cSKlaus Jensen 153888eea45cSKlaus Jensen trace_pci_nvme_err_aio(nvme_cid(req), strerror(-ret), status); 153988eea45cSKlaus Jensen 154088eea45cSKlaus Jensen error_setg_errno(&local_err, -ret, "aio failed"); 154188eea45cSKlaus Jensen error_report_err(local_err); 154288eea45cSKlaus Jensen 154388eea45cSKlaus Jensen /* 154488eea45cSKlaus Jensen * Set the command status code to the first encountered error but allow a 154588eea45cSKlaus Jensen * subsequent Internal Device Error to trump it. 154688eea45cSKlaus Jensen */ 154788eea45cSKlaus Jensen if (req->status && status != NVME_INTERNAL_DEV_ERROR) { 154888eea45cSKlaus Jensen return; 154988eea45cSKlaus Jensen } 155088eea45cSKlaus Jensen 155188eea45cSKlaus Jensen req->status = status; 155288eea45cSKlaus Jensen } 155388eea45cSKlaus Jensen 155488eea45cSKlaus Jensen static inline uint32_t nvme_zone_idx(NvmeNamespace *ns, uint64_t slba) 155588eea45cSKlaus Jensen { 155688eea45cSKlaus Jensen return ns->zone_size_log2 > 0 ? slba >> ns->zone_size_log2 : 155788eea45cSKlaus Jensen slba / ns->zone_size; 155888eea45cSKlaus Jensen } 155988eea45cSKlaus Jensen 156088eea45cSKlaus Jensen static inline NvmeZone *nvme_get_zone_by_slba(NvmeNamespace *ns, uint64_t slba) 156188eea45cSKlaus Jensen { 156288eea45cSKlaus Jensen uint32_t zone_idx = nvme_zone_idx(ns, slba); 156388eea45cSKlaus Jensen 1564189a8bf7SKlaus Jensen if (zone_idx >= ns->num_zones) { 1565189a8bf7SKlaus Jensen return NULL; 1566189a8bf7SKlaus Jensen } 1567189a8bf7SKlaus Jensen 156888eea45cSKlaus Jensen return &ns->zone_array[zone_idx]; 156988eea45cSKlaus Jensen } 157088eea45cSKlaus Jensen 157188eea45cSKlaus Jensen static uint16_t nvme_check_zone_state_for_write(NvmeZone *zone) 157288eea45cSKlaus Jensen { 157388eea45cSKlaus Jensen uint64_t zslba = zone->d.zslba; 157488eea45cSKlaus Jensen 157588eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 157688eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 157788eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 157888eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 157988eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 158088eea45cSKlaus Jensen return NVME_SUCCESS; 158188eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 158288eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_full(zslba); 158388eea45cSKlaus Jensen return NVME_ZONE_FULL; 158488eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 158588eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_offline(zslba); 158688eea45cSKlaus Jensen return NVME_ZONE_OFFLINE; 158788eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 158888eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_read_only(zslba); 158988eea45cSKlaus Jensen return NVME_ZONE_READ_ONLY; 159088eea45cSKlaus Jensen default: 159188eea45cSKlaus Jensen assert(false); 159288eea45cSKlaus Jensen } 159388eea45cSKlaus Jensen 159488eea45cSKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 159588eea45cSKlaus Jensen } 159688eea45cSKlaus Jensen 159788eea45cSKlaus Jensen static uint16_t nvme_check_zone_write(NvmeNamespace *ns, NvmeZone *zone, 159888eea45cSKlaus Jensen uint64_t slba, uint32_t nlb) 159988eea45cSKlaus Jensen { 160088eea45cSKlaus Jensen uint64_t zcap = nvme_zone_wr_boundary(zone); 160188eea45cSKlaus Jensen uint16_t status; 160288eea45cSKlaus Jensen 160388eea45cSKlaus Jensen status = nvme_check_zone_state_for_write(zone); 160488eea45cSKlaus Jensen if (status) { 160588eea45cSKlaus Jensen return status; 160688eea45cSKlaus Jensen } 160788eea45cSKlaus Jensen 160888eea45cSKlaus Jensen if (unlikely(slba != zone->w_ptr)) { 160988eea45cSKlaus Jensen trace_pci_nvme_err_write_not_at_wp(slba, zone->d.zslba, zone->w_ptr); 161088eea45cSKlaus Jensen return NVME_ZONE_INVALID_WRITE; 161188eea45cSKlaus Jensen } 161288eea45cSKlaus Jensen 161388eea45cSKlaus Jensen if (unlikely((slba + nlb) > zcap)) { 161488eea45cSKlaus Jensen trace_pci_nvme_err_zone_boundary(slba, nlb, zcap); 161588eea45cSKlaus Jensen return NVME_ZONE_BOUNDARY_ERROR; 161688eea45cSKlaus Jensen } 161788eea45cSKlaus Jensen 161888eea45cSKlaus Jensen return NVME_SUCCESS; 161988eea45cSKlaus Jensen } 162088eea45cSKlaus Jensen 162188eea45cSKlaus Jensen static uint16_t nvme_check_zone_state_for_read(NvmeZone *zone) 162288eea45cSKlaus Jensen { 162388eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 162488eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 162588eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 162688eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 162788eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 162888eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 162988eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 163088eea45cSKlaus Jensen return NVME_SUCCESS; 163188eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 163288eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_offline(zone->d.zslba); 163388eea45cSKlaus Jensen return NVME_ZONE_OFFLINE; 163488eea45cSKlaus Jensen default: 163588eea45cSKlaus Jensen assert(false); 163688eea45cSKlaus Jensen } 163788eea45cSKlaus Jensen 163888eea45cSKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 163988eea45cSKlaus Jensen } 164088eea45cSKlaus Jensen 164188eea45cSKlaus Jensen static uint16_t nvme_check_zone_read(NvmeNamespace *ns, uint64_t slba, 164288eea45cSKlaus Jensen uint32_t nlb) 164388eea45cSKlaus Jensen { 1644189a8bf7SKlaus Jensen NvmeZone *zone; 1645189a8bf7SKlaus Jensen uint64_t bndry, end; 164688eea45cSKlaus Jensen uint16_t status; 164788eea45cSKlaus Jensen 1648189a8bf7SKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 1649189a8bf7SKlaus Jensen assert(zone); 1650189a8bf7SKlaus Jensen 1651189a8bf7SKlaus Jensen bndry = nvme_zone_rd_boundary(ns, zone); 1652189a8bf7SKlaus Jensen end = slba + nlb; 1653189a8bf7SKlaus Jensen 165488eea45cSKlaus Jensen status = nvme_check_zone_state_for_read(zone); 165588eea45cSKlaus Jensen if (status) { 165688eea45cSKlaus Jensen ; 165788eea45cSKlaus Jensen } else if (unlikely(end > bndry)) { 165888eea45cSKlaus Jensen if (!ns->params.cross_zone_read) { 165988eea45cSKlaus Jensen status = NVME_ZONE_BOUNDARY_ERROR; 166088eea45cSKlaus Jensen } else { 166188eea45cSKlaus Jensen /* 166288eea45cSKlaus Jensen * Read across zone boundary - check that all subsequent 166388eea45cSKlaus Jensen * zones that are being read have an appropriate state. 166488eea45cSKlaus Jensen */ 166588eea45cSKlaus Jensen do { 166688eea45cSKlaus Jensen zone++; 166788eea45cSKlaus Jensen status = nvme_check_zone_state_for_read(zone); 166888eea45cSKlaus Jensen if (status) { 166988eea45cSKlaus Jensen break; 167088eea45cSKlaus Jensen } 167188eea45cSKlaus Jensen } while (end > nvme_zone_rd_boundary(ns, zone)); 167288eea45cSKlaus Jensen } 167388eea45cSKlaus Jensen } 167488eea45cSKlaus Jensen 167588eea45cSKlaus Jensen return status; 167688eea45cSKlaus Jensen } 167788eea45cSKlaus Jensen 167888eea45cSKlaus Jensen static uint16_t nvme_zrm_finish(NvmeNamespace *ns, NvmeZone *zone) 167988eea45cSKlaus Jensen { 168088eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 168188eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 168288eea45cSKlaus Jensen return NVME_SUCCESS; 168388eea45cSKlaus Jensen 168488eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 168588eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 168688eea45cSKlaus Jensen nvme_aor_dec_open(ns); 168788eea45cSKlaus Jensen /* fallthrough */ 168888eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 168988eea45cSKlaus Jensen nvme_aor_dec_active(ns); 169088eea45cSKlaus Jensen /* fallthrough */ 169188eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 169288eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_FULL); 169388eea45cSKlaus Jensen return NVME_SUCCESS; 169488eea45cSKlaus Jensen 169588eea45cSKlaus Jensen default: 169688eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 169788eea45cSKlaus Jensen } 169888eea45cSKlaus Jensen } 169988eea45cSKlaus Jensen 170088eea45cSKlaus Jensen static uint16_t nvme_zrm_close(NvmeNamespace *ns, NvmeZone *zone) 170188eea45cSKlaus Jensen { 170288eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 170388eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 170488eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 170588eea45cSKlaus Jensen nvme_aor_dec_open(ns); 170688eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_CLOSED); 170788eea45cSKlaus Jensen /* fall through */ 170888eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 170988eea45cSKlaus Jensen return NVME_SUCCESS; 171088eea45cSKlaus Jensen 171188eea45cSKlaus Jensen default: 171288eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 171388eea45cSKlaus Jensen } 171488eea45cSKlaus Jensen } 171588eea45cSKlaus Jensen 171663d96e4fSKlaus Jensen static uint16_t nvme_zrm_reset(NvmeNamespace *ns, NvmeZone *zone) 171763d96e4fSKlaus Jensen { 171863d96e4fSKlaus Jensen switch (nvme_get_zone_state(zone)) { 171963d96e4fSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 172063d96e4fSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 172163d96e4fSKlaus Jensen nvme_aor_dec_open(ns); 172263d96e4fSKlaus Jensen /* fallthrough */ 172363d96e4fSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 172463d96e4fSKlaus Jensen nvme_aor_dec_active(ns); 172563d96e4fSKlaus Jensen /* fallthrough */ 172663d96e4fSKlaus Jensen case NVME_ZONE_STATE_FULL: 172763d96e4fSKlaus Jensen zone->w_ptr = zone->d.zslba; 172863d96e4fSKlaus Jensen zone->d.wp = zone->w_ptr; 172963d96e4fSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_EMPTY); 173063d96e4fSKlaus Jensen /* fallthrough */ 173163d96e4fSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 173263d96e4fSKlaus Jensen return NVME_SUCCESS; 173363d96e4fSKlaus Jensen 173463d96e4fSKlaus Jensen default: 173563d96e4fSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 173663d96e4fSKlaus Jensen } 173763d96e4fSKlaus Jensen } 173863d96e4fSKlaus Jensen 173988eea45cSKlaus Jensen static void nvme_zrm_auto_transition_zone(NvmeNamespace *ns) 174088eea45cSKlaus Jensen { 174188eea45cSKlaus Jensen NvmeZone *zone; 174288eea45cSKlaus Jensen 174388eea45cSKlaus Jensen if (ns->params.max_open_zones && 174488eea45cSKlaus Jensen ns->nr_open_zones == ns->params.max_open_zones) { 174588eea45cSKlaus Jensen zone = QTAILQ_FIRST(&ns->imp_open_zones); 174688eea45cSKlaus Jensen if (zone) { 174788eea45cSKlaus Jensen /* 174888eea45cSKlaus Jensen * Automatically close this implicitly open zone. 174988eea45cSKlaus Jensen */ 175088eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->imp_open_zones, zone, entry); 175188eea45cSKlaus Jensen nvme_zrm_close(ns, zone); 175288eea45cSKlaus Jensen } 175388eea45cSKlaus Jensen } 175488eea45cSKlaus Jensen } 175588eea45cSKlaus Jensen 175688eea45cSKlaus Jensen enum { 175788eea45cSKlaus Jensen NVME_ZRM_AUTO = 1 << 0, 175888eea45cSKlaus Jensen }; 175988eea45cSKlaus Jensen 1760cccc2651SNiklas Cassel static uint16_t nvme_zrm_open_flags(NvmeCtrl *n, NvmeNamespace *ns, 1761cccc2651SNiklas Cassel NvmeZone *zone, int flags) 176288eea45cSKlaus Jensen { 176388eea45cSKlaus Jensen int act = 0; 176488eea45cSKlaus Jensen uint16_t status; 176588eea45cSKlaus Jensen 176688eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 176788eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 176888eea45cSKlaus Jensen act = 1; 176988eea45cSKlaus Jensen 177088eea45cSKlaus Jensen /* fallthrough */ 177188eea45cSKlaus Jensen 177288eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 1773cccc2651SNiklas Cassel if (n->params.auto_transition_zones) { 177488eea45cSKlaus Jensen nvme_zrm_auto_transition_zone(ns); 1775cccc2651SNiklas Cassel } 177688eea45cSKlaus Jensen status = nvme_aor_check(ns, act, 1); 177788eea45cSKlaus Jensen if (status) { 177888eea45cSKlaus Jensen return status; 177988eea45cSKlaus Jensen } 178088eea45cSKlaus Jensen 178188eea45cSKlaus Jensen if (act) { 178288eea45cSKlaus Jensen nvme_aor_inc_active(ns); 178388eea45cSKlaus Jensen } 178488eea45cSKlaus Jensen 178588eea45cSKlaus Jensen nvme_aor_inc_open(ns); 178688eea45cSKlaus Jensen 178788eea45cSKlaus Jensen if (flags & NVME_ZRM_AUTO) { 178888eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_IMPLICITLY_OPEN); 178988eea45cSKlaus Jensen return NVME_SUCCESS; 179088eea45cSKlaus Jensen } 179188eea45cSKlaus Jensen 179288eea45cSKlaus Jensen /* fallthrough */ 179388eea45cSKlaus Jensen 179488eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 179588eea45cSKlaus Jensen if (flags & NVME_ZRM_AUTO) { 179688eea45cSKlaus Jensen return NVME_SUCCESS; 179788eea45cSKlaus Jensen } 179888eea45cSKlaus Jensen 179988eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_EXPLICITLY_OPEN); 180088eea45cSKlaus Jensen 180188eea45cSKlaus Jensen /* fallthrough */ 180288eea45cSKlaus Jensen 180388eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 180488eea45cSKlaus Jensen return NVME_SUCCESS; 180588eea45cSKlaus Jensen 180688eea45cSKlaus Jensen default: 180788eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 180888eea45cSKlaus Jensen } 180988eea45cSKlaus Jensen } 181088eea45cSKlaus Jensen 1811cccc2651SNiklas Cassel static inline uint16_t nvme_zrm_auto(NvmeCtrl *n, NvmeNamespace *ns, 1812cccc2651SNiklas Cassel NvmeZone *zone) 181388eea45cSKlaus Jensen { 1814cccc2651SNiklas Cassel return nvme_zrm_open_flags(n, ns, zone, NVME_ZRM_AUTO); 181588eea45cSKlaus Jensen } 181688eea45cSKlaus Jensen 1817cccc2651SNiklas Cassel static inline uint16_t nvme_zrm_open(NvmeCtrl *n, NvmeNamespace *ns, 1818cccc2651SNiklas Cassel NvmeZone *zone) 181988eea45cSKlaus Jensen { 1820cccc2651SNiklas Cassel return nvme_zrm_open_flags(n, ns, zone, 0); 182188eea45cSKlaus Jensen } 182288eea45cSKlaus Jensen 182388eea45cSKlaus Jensen static void nvme_advance_zone_wp(NvmeNamespace *ns, NvmeZone *zone, 182488eea45cSKlaus Jensen uint32_t nlb) 182588eea45cSKlaus Jensen { 182688eea45cSKlaus Jensen zone->d.wp += nlb; 182788eea45cSKlaus Jensen 182888eea45cSKlaus Jensen if (zone->d.wp == nvme_zone_wr_boundary(zone)) { 182988eea45cSKlaus Jensen nvme_zrm_finish(ns, zone); 183088eea45cSKlaus Jensen } 183188eea45cSKlaus Jensen } 183288eea45cSKlaus Jensen 183388eea45cSKlaus Jensen static void nvme_finalize_zoned_write(NvmeNamespace *ns, NvmeRequest *req) 183488eea45cSKlaus Jensen { 183588eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 183688eea45cSKlaus Jensen NvmeZone *zone; 183788eea45cSKlaus Jensen uint64_t slba; 183888eea45cSKlaus Jensen uint32_t nlb; 183988eea45cSKlaus Jensen 184088eea45cSKlaus Jensen slba = le64_to_cpu(rw->slba); 184188eea45cSKlaus Jensen nlb = le16_to_cpu(rw->nlb) + 1; 184288eea45cSKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 1843189a8bf7SKlaus Jensen assert(zone); 184488eea45cSKlaus Jensen 184588eea45cSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlb); 184688eea45cSKlaus Jensen } 184788eea45cSKlaus Jensen 184888eea45cSKlaus Jensen static inline bool nvme_is_write(NvmeRequest *req) 184988eea45cSKlaus Jensen { 185088eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 185188eea45cSKlaus Jensen 185288eea45cSKlaus Jensen return rw->opcode == NVME_CMD_WRITE || 185388eea45cSKlaus Jensen rw->opcode == NVME_CMD_ZONE_APPEND || 185488eea45cSKlaus Jensen rw->opcode == NVME_CMD_WRITE_ZEROES; 185588eea45cSKlaus Jensen } 185688eea45cSKlaus Jensen 185738f4ac65SKlaus Jensen static AioContext *nvme_get_aio_context(BlockAIOCB *acb) 185838f4ac65SKlaus Jensen { 185938f4ac65SKlaus Jensen return qemu_get_aio_context(); 186038f4ac65SKlaus Jensen } 186138f4ac65SKlaus Jensen 186288eea45cSKlaus Jensen static void nvme_misc_cb(void *opaque, int ret) 186388eea45cSKlaus Jensen { 186488eea45cSKlaus Jensen NvmeRequest *req = opaque; 186588eea45cSKlaus Jensen 186638f4ac65SKlaus Jensen trace_pci_nvme_misc_cb(nvme_cid(req)); 186788eea45cSKlaus Jensen 186888eea45cSKlaus Jensen if (ret) { 186988eea45cSKlaus Jensen nvme_aio_err(req, ret); 187088eea45cSKlaus Jensen } 187188eea45cSKlaus Jensen 187288eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 187388eea45cSKlaus Jensen } 187488eea45cSKlaus Jensen 187588eea45cSKlaus Jensen void nvme_rw_complete_cb(void *opaque, int ret) 187688eea45cSKlaus Jensen { 187788eea45cSKlaus Jensen NvmeRequest *req = opaque; 187888eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 187988eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 188088eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 188188eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 188288eea45cSKlaus Jensen 188388eea45cSKlaus Jensen trace_pci_nvme_rw_complete_cb(nvme_cid(req), blk_name(blk)); 188488eea45cSKlaus Jensen 188588eea45cSKlaus Jensen if (ret) { 188688eea45cSKlaus Jensen block_acct_failed(stats, acct); 188788eea45cSKlaus Jensen nvme_aio_err(req, ret); 188888eea45cSKlaus Jensen } else { 188988eea45cSKlaus Jensen block_acct_done(stats, acct); 189088eea45cSKlaus Jensen } 189188eea45cSKlaus Jensen 189288eea45cSKlaus Jensen if (ns->params.zoned && nvme_is_write(req)) { 189388eea45cSKlaus Jensen nvme_finalize_zoned_write(ns, req); 189488eea45cSKlaus Jensen } 189588eea45cSKlaus Jensen 189688eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 189788eea45cSKlaus Jensen } 189888eea45cSKlaus Jensen 189988eea45cSKlaus Jensen static void nvme_rw_cb(void *opaque, int ret) 190088eea45cSKlaus Jensen { 190188eea45cSKlaus Jensen NvmeRequest *req = opaque; 190288eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 190388eea45cSKlaus Jensen 190488eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 190588eea45cSKlaus Jensen 190688eea45cSKlaus Jensen trace_pci_nvme_rw_cb(nvme_cid(req), blk_name(blk)); 190788eea45cSKlaus Jensen 190888eea45cSKlaus Jensen if (ret) { 190988eea45cSKlaus Jensen goto out; 191088eea45cSKlaus Jensen } 191188eea45cSKlaus Jensen 191288eea45cSKlaus Jensen if (ns->lbaf.ms) { 191388eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 191488eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 191588eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 191688eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 191788eea45cSKlaus Jensen 191888eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_WRITE_ZEROES) { 191988eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 192088eea45cSKlaus Jensen 192188eea45cSKlaus Jensen req->aiocb = blk_aio_pwrite_zeroes(blk, offset, mlen, 192288eea45cSKlaus Jensen BDRV_REQ_MAY_UNMAP, 192388eea45cSKlaus Jensen nvme_rw_complete_cb, req); 192488eea45cSKlaus Jensen return; 192588eea45cSKlaus Jensen } 192688eea45cSKlaus Jensen 192788eea45cSKlaus Jensen if (nvme_ns_ext(ns) || req->cmd.mptr) { 192888eea45cSKlaus Jensen uint16_t status; 192988eea45cSKlaus Jensen 193088eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 193188eea45cSKlaus Jensen status = nvme_map_mdata(nvme_ctrl(req), nlb, req); 193288eea45cSKlaus Jensen if (status) { 193388eea45cSKlaus Jensen ret = -EFAULT; 193488eea45cSKlaus Jensen goto out; 193588eea45cSKlaus Jensen } 193688eea45cSKlaus Jensen 193788eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_READ) { 193888eea45cSKlaus Jensen return nvme_blk_read(blk, offset, nvme_rw_complete_cb, req); 193988eea45cSKlaus Jensen } 194088eea45cSKlaus Jensen 194188eea45cSKlaus Jensen return nvme_blk_write(blk, offset, nvme_rw_complete_cb, req); 194288eea45cSKlaus Jensen } 194388eea45cSKlaus Jensen } 194488eea45cSKlaus Jensen 194588eea45cSKlaus Jensen out: 194688eea45cSKlaus Jensen nvme_rw_complete_cb(req, ret); 194788eea45cSKlaus Jensen } 194888eea45cSKlaus Jensen 194988eea45cSKlaus Jensen static void nvme_verify_cb(void *opaque, int ret) 195088eea45cSKlaus Jensen { 195188eea45cSKlaus Jensen NvmeBounceContext *ctx = opaque; 195288eea45cSKlaus Jensen NvmeRequest *req = ctx->req; 195388eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 195488eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 195588eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 195688eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 195788eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 195888eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 19592a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 196088eea45cSKlaus Jensen uint16_t apptag = le16_to_cpu(rw->apptag); 196188eea45cSKlaus Jensen uint16_t appmask = le16_to_cpu(rw->appmask); 196288eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 196388eea45cSKlaus Jensen uint16_t status; 196488eea45cSKlaus Jensen 19652a132309SKlaus Jensen trace_pci_nvme_verify_cb(nvme_cid(req), prinfo, apptag, appmask, reftag); 196688eea45cSKlaus Jensen 196788eea45cSKlaus Jensen if (ret) { 196888eea45cSKlaus Jensen block_acct_failed(stats, acct); 196988eea45cSKlaus Jensen nvme_aio_err(req, ret); 197088eea45cSKlaus Jensen goto out; 197188eea45cSKlaus Jensen } 197288eea45cSKlaus Jensen 197388eea45cSKlaus Jensen block_acct_done(stats, acct); 197488eea45cSKlaus Jensen 197588eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 197688eea45cSKlaus Jensen status = nvme_dif_mangle_mdata(ns, ctx->mdata.bounce, 197788eea45cSKlaus Jensen ctx->mdata.iov.size, slba); 197888eea45cSKlaus Jensen if (status) { 197988eea45cSKlaus Jensen req->status = status; 198088eea45cSKlaus Jensen goto out; 198188eea45cSKlaus Jensen } 198288eea45cSKlaus Jensen 198388eea45cSKlaus Jensen req->status = nvme_dif_check(ns, ctx->data.bounce, ctx->data.iov.size, 198488eea45cSKlaus Jensen ctx->mdata.bounce, ctx->mdata.iov.size, 19852a132309SKlaus Jensen prinfo, slba, apptag, appmask, &reftag); 198688eea45cSKlaus Jensen } 198788eea45cSKlaus Jensen 198888eea45cSKlaus Jensen out: 198988eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 199088eea45cSKlaus Jensen g_free(ctx->data.bounce); 199188eea45cSKlaus Jensen 199288eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->mdata.iov); 199388eea45cSKlaus Jensen g_free(ctx->mdata.bounce); 199488eea45cSKlaus Jensen 199588eea45cSKlaus Jensen g_free(ctx); 199688eea45cSKlaus Jensen 199788eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 199888eea45cSKlaus Jensen } 199988eea45cSKlaus Jensen 200088eea45cSKlaus Jensen 200188eea45cSKlaus Jensen static void nvme_verify_mdata_in_cb(void *opaque, int ret) 200288eea45cSKlaus Jensen { 200388eea45cSKlaus Jensen NvmeBounceContext *ctx = opaque; 200488eea45cSKlaus Jensen NvmeRequest *req = ctx->req; 200588eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 200688eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 200788eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 200888eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 200988eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 201088eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 201188eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 201288eea45cSKlaus Jensen 201388eea45cSKlaus Jensen trace_pci_nvme_verify_mdata_in_cb(nvme_cid(req), blk_name(blk)); 201488eea45cSKlaus Jensen 201588eea45cSKlaus Jensen if (ret) { 201688eea45cSKlaus Jensen goto out; 201788eea45cSKlaus Jensen } 201888eea45cSKlaus Jensen 201988eea45cSKlaus Jensen ctx->mdata.bounce = g_malloc(mlen); 202088eea45cSKlaus Jensen 202188eea45cSKlaus Jensen qemu_iovec_reset(&ctx->mdata.iov); 202288eea45cSKlaus Jensen qemu_iovec_add(&ctx->mdata.iov, ctx->mdata.bounce, mlen); 202388eea45cSKlaus Jensen 202488eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->mdata.iov, 0, 202588eea45cSKlaus Jensen nvme_verify_cb, ctx); 202688eea45cSKlaus Jensen return; 202788eea45cSKlaus Jensen 202888eea45cSKlaus Jensen out: 202988eea45cSKlaus Jensen nvme_verify_cb(ctx, ret); 203088eea45cSKlaus Jensen } 203188eea45cSKlaus Jensen 203288eea45cSKlaus Jensen struct nvme_compare_ctx { 203388eea45cSKlaus Jensen struct { 203488eea45cSKlaus Jensen QEMUIOVector iov; 203588eea45cSKlaus Jensen uint8_t *bounce; 203688eea45cSKlaus Jensen } data; 203788eea45cSKlaus Jensen 203888eea45cSKlaus Jensen struct { 203988eea45cSKlaus Jensen QEMUIOVector iov; 204088eea45cSKlaus Jensen uint8_t *bounce; 204188eea45cSKlaus Jensen } mdata; 204288eea45cSKlaus Jensen }; 204388eea45cSKlaus Jensen 204488eea45cSKlaus Jensen static void nvme_compare_mdata_cb(void *opaque, int ret) 204588eea45cSKlaus Jensen { 204688eea45cSKlaus Jensen NvmeRequest *req = opaque; 204788eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 204888eea45cSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 204988eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 20502a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 205188eea45cSKlaus Jensen uint16_t apptag = le16_to_cpu(rw->apptag); 205288eea45cSKlaus Jensen uint16_t appmask = le16_to_cpu(rw->appmask); 205388eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 205488eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = req->opaque; 205588eea45cSKlaus Jensen g_autofree uint8_t *buf = NULL; 205688eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 205788eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 205888eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 205988eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 206088eea45cSKlaus Jensen 206188eea45cSKlaus Jensen trace_pci_nvme_compare_mdata_cb(nvme_cid(req)); 206288eea45cSKlaus Jensen 206388eea45cSKlaus Jensen if (ret) { 206488eea45cSKlaus Jensen block_acct_failed(stats, acct); 206588eea45cSKlaus Jensen nvme_aio_err(req, ret); 206688eea45cSKlaus Jensen goto out; 206788eea45cSKlaus Jensen } 206888eea45cSKlaus Jensen 206988eea45cSKlaus Jensen buf = g_malloc(ctx->mdata.iov.size); 207088eea45cSKlaus Jensen 207188eea45cSKlaus Jensen status = nvme_bounce_mdata(n, buf, ctx->mdata.iov.size, 207288eea45cSKlaus Jensen NVME_TX_DIRECTION_TO_DEVICE, req); 207388eea45cSKlaus Jensen if (status) { 207488eea45cSKlaus Jensen req->status = status; 207588eea45cSKlaus Jensen goto out; 207688eea45cSKlaus Jensen } 207788eea45cSKlaus Jensen 207888eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 207988eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 208088eea45cSKlaus Jensen uint8_t *bufp; 208188eea45cSKlaus Jensen uint8_t *mbufp = ctx->mdata.bounce; 208288eea45cSKlaus Jensen uint8_t *end = mbufp + ctx->mdata.iov.size; 208388eea45cSKlaus Jensen int16_t pil = 0; 208488eea45cSKlaus Jensen 208588eea45cSKlaus Jensen status = nvme_dif_check(ns, ctx->data.bounce, ctx->data.iov.size, 20862a132309SKlaus Jensen ctx->mdata.bounce, ctx->mdata.iov.size, prinfo, 20870ca5c3ccSKlaus Jensen slba, apptag, appmask, &reftag); 208888eea45cSKlaus Jensen if (status) { 208988eea45cSKlaus Jensen req->status = status; 209088eea45cSKlaus Jensen goto out; 209188eea45cSKlaus Jensen } 209288eea45cSKlaus Jensen 209388eea45cSKlaus Jensen /* 209488eea45cSKlaus Jensen * When formatted with protection information, do not compare the DIF 209588eea45cSKlaus Jensen * tuple. 209688eea45cSKlaus Jensen */ 209788eea45cSKlaus Jensen if (!(ns->id_ns.dps & NVME_ID_NS_DPS_FIRST_EIGHT)) { 209888eea45cSKlaus Jensen pil = ns->lbaf.ms - sizeof(NvmeDifTuple); 209988eea45cSKlaus Jensen } 210088eea45cSKlaus Jensen 210188eea45cSKlaus Jensen for (bufp = buf; mbufp < end; bufp += ns->lbaf.ms, mbufp += ns->lbaf.ms) { 210288eea45cSKlaus Jensen if (memcmp(bufp + pil, mbufp + pil, ns->lbaf.ms - pil)) { 210388eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 210488eea45cSKlaus Jensen goto out; 210588eea45cSKlaus Jensen } 210688eea45cSKlaus Jensen } 210788eea45cSKlaus Jensen 210888eea45cSKlaus Jensen goto out; 210988eea45cSKlaus Jensen } 211088eea45cSKlaus Jensen 211188eea45cSKlaus Jensen if (memcmp(buf, ctx->mdata.bounce, ctx->mdata.iov.size)) { 211288eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 211388eea45cSKlaus Jensen goto out; 211488eea45cSKlaus Jensen } 211588eea45cSKlaus Jensen 211688eea45cSKlaus Jensen block_acct_done(stats, acct); 211788eea45cSKlaus Jensen 211888eea45cSKlaus Jensen out: 211988eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 212088eea45cSKlaus Jensen g_free(ctx->data.bounce); 212188eea45cSKlaus Jensen 212288eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->mdata.iov); 212388eea45cSKlaus Jensen g_free(ctx->mdata.bounce); 212488eea45cSKlaus Jensen 212588eea45cSKlaus Jensen g_free(ctx); 212688eea45cSKlaus Jensen 212788eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 212888eea45cSKlaus Jensen } 212988eea45cSKlaus Jensen 213088eea45cSKlaus Jensen static void nvme_compare_data_cb(void *opaque, int ret) 213188eea45cSKlaus Jensen { 213288eea45cSKlaus Jensen NvmeRequest *req = opaque; 213388eea45cSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 213488eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 213588eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 213688eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 213788eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 213888eea45cSKlaus Jensen 213988eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = req->opaque; 214088eea45cSKlaus Jensen g_autofree uint8_t *buf = NULL; 214188eea45cSKlaus Jensen uint16_t status; 214288eea45cSKlaus Jensen 214388eea45cSKlaus Jensen trace_pci_nvme_compare_data_cb(nvme_cid(req)); 214488eea45cSKlaus Jensen 214588eea45cSKlaus Jensen if (ret) { 214688eea45cSKlaus Jensen block_acct_failed(stats, acct); 214788eea45cSKlaus Jensen nvme_aio_err(req, ret); 214888eea45cSKlaus Jensen goto out; 214988eea45cSKlaus Jensen } 215088eea45cSKlaus Jensen 215188eea45cSKlaus Jensen buf = g_malloc(ctx->data.iov.size); 215288eea45cSKlaus Jensen 215388eea45cSKlaus Jensen status = nvme_bounce_data(n, buf, ctx->data.iov.size, 215488eea45cSKlaus Jensen NVME_TX_DIRECTION_TO_DEVICE, req); 215588eea45cSKlaus Jensen if (status) { 215688eea45cSKlaus Jensen req->status = status; 215788eea45cSKlaus Jensen goto out; 215888eea45cSKlaus Jensen } 215988eea45cSKlaus Jensen 216088eea45cSKlaus Jensen if (memcmp(buf, ctx->data.bounce, ctx->data.iov.size)) { 216188eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 216288eea45cSKlaus Jensen goto out; 216388eea45cSKlaus Jensen } 216488eea45cSKlaus Jensen 216588eea45cSKlaus Jensen if (ns->lbaf.ms) { 216688eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 216788eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 216888eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 216988eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 217088eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 217188eea45cSKlaus Jensen 217288eea45cSKlaus Jensen ctx->mdata.bounce = g_malloc(mlen); 217388eea45cSKlaus Jensen 217488eea45cSKlaus Jensen qemu_iovec_init(&ctx->mdata.iov, 1); 217588eea45cSKlaus Jensen qemu_iovec_add(&ctx->mdata.iov, ctx->mdata.bounce, mlen); 217688eea45cSKlaus Jensen 217788eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->mdata.iov, 0, 217888eea45cSKlaus Jensen nvme_compare_mdata_cb, req); 217988eea45cSKlaus Jensen return; 218088eea45cSKlaus Jensen } 218188eea45cSKlaus Jensen 218288eea45cSKlaus Jensen block_acct_done(stats, acct); 218388eea45cSKlaus Jensen 218488eea45cSKlaus Jensen out: 218588eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 218688eea45cSKlaus Jensen g_free(ctx->data.bounce); 218788eea45cSKlaus Jensen g_free(ctx); 218888eea45cSKlaus Jensen 218988eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 219088eea45cSKlaus Jensen } 219188eea45cSKlaus Jensen 2192d7d1474fSKlaus Jensen typedef struct NvmeDSMAIOCB { 2193d7d1474fSKlaus Jensen BlockAIOCB common; 2194d7d1474fSKlaus Jensen BlockAIOCB *aiocb; 2195d7d1474fSKlaus Jensen NvmeRequest *req; 2196d7d1474fSKlaus Jensen QEMUBH *bh; 2197d7d1474fSKlaus Jensen int ret; 2198d7d1474fSKlaus Jensen 2199d7d1474fSKlaus Jensen NvmeDsmRange *range; 2200d7d1474fSKlaus Jensen unsigned int nr; 2201d7d1474fSKlaus Jensen unsigned int idx; 2202d7d1474fSKlaus Jensen } NvmeDSMAIOCB; 2203d7d1474fSKlaus Jensen 2204d7d1474fSKlaus Jensen static void nvme_dsm_cancel(BlockAIOCB *aiocb) 2205d7d1474fSKlaus Jensen { 2206d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = container_of(aiocb, NvmeDSMAIOCB, common); 2207d7d1474fSKlaus Jensen 2208d7d1474fSKlaus Jensen /* break nvme_dsm_cb loop */ 2209d7d1474fSKlaus Jensen iocb->idx = iocb->nr; 2210d7d1474fSKlaus Jensen iocb->ret = -ECANCELED; 2211d7d1474fSKlaus Jensen 2212d7d1474fSKlaus Jensen if (iocb->aiocb) { 2213d7d1474fSKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 2214d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2215d7d1474fSKlaus Jensen } else { 2216d7d1474fSKlaus Jensen /* 2217d7d1474fSKlaus Jensen * We only reach this if nvme_dsm_cancel() has already been called or 2218d7d1474fSKlaus Jensen * the command ran to completion and nvme_dsm_bh is scheduled to run. 2219d7d1474fSKlaus Jensen */ 2220d7d1474fSKlaus Jensen assert(iocb->idx == iocb->nr); 2221d7d1474fSKlaus Jensen } 2222d7d1474fSKlaus Jensen } 2223d7d1474fSKlaus Jensen 2224d7d1474fSKlaus Jensen static const AIOCBInfo nvme_dsm_aiocb_info = { 2225d7d1474fSKlaus Jensen .aiocb_size = sizeof(NvmeDSMAIOCB), 2226d7d1474fSKlaus Jensen .cancel_async = nvme_dsm_cancel, 2227d7d1474fSKlaus Jensen }; 2228d7d1474fSKlaus Jensen 2229d7d1474fSKlaus Jensen static void nvme_dsm_bh(void *opaque) 2230d7d1474fSKlaus Jensen { 2231d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2232d7d1474fSKlaus Jensen 2233d7d1474fSKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 2234d7d1474fSKlaus Jensen 2235d7d1474fSKlaus Jensen qemu_bh_delete(iocb->bh); 2236d7d1474fSKlaus Jensen iocb->bh = NULL; 2237d7d1474fSKlaus Jensen qemu_aio_unref(iocb); 2238d7d1474fSKlaus Jensen } 2239d7d1474fSKlaus Jensen 2240d7d1474fSKlaus Jensen static void nvme_dsm_cb(void *opaque, int ret); 2241d7d1474fSKlaus Jensen 2242d7d1474fSKlaus Jensen static void nvme_dsm_md_cb(void *opaque, int ret) 2243d7d1474fSKlaus Jensen { 2244d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2245d7d1474fSKlaus Jensen NvmeRequest *req = iocb->req; 2246d7d1474fSKlaus Jensen NvmeNamespace *ns = req->ns; 2247d7d1474fSKlaus Jensen NvmeDsmRange *range; 2248d7d1474fSKlaus Jensen uint64_t slba; 2249d7d1474fSKlaus Jensen uint32_t nlb; 2250d7d1474fSKlaus Jensen 2251d7d1474fSKlaus Jensen if (ret < 0) { 2252d7d1474fSKlaus Jensen iocb->ret = ret; 2253d7d1474fSKlaus Jensen goto done; 2254d7d1474fSKlaus Jensen } 2255d7d1474fSKlaus Jensen 2256d7d1474fSKlaus Jensen if (!ns->lbaf.ms) { 2257d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 2258d7d1474fSKlaus Jensen return; 2259d7d1474fSKlaus Jensen } 2260d7d1474fSKlaus Jensen 2261d7d1474fSKlaus Jensen range = &iocb->range[iocb->idx - 1]; 2262d7d1474fSKlaus Jensen slba = le64_to_cpu(range->slba); 2263d7d1474fSKlaus Jensen nlb = le32_to_cpu(range->nlb); 2264d7d1474fSKlaus Jensen 2265d7d1474fSKlaus Jensen /* 2266d7d1474fSKlaus Jensen * Check that all block were discarded (zeroed); otherwise we do not zero 2267d7d1474fSKlaus Jensen * the metadata. 2268d7d1474fSKlaus Jensen */ 2269d7d1474fSKlaus Jensen 2270d7d1474fSKlaus Jensen ret = nvme_block_status_all(ns, slba, nlb, BDRV_BLOCK_ZERO); 2271d7d1474fSKlaus Jensen if (ret) { 2272d7d1474fSKlaus Jensen if (ret < 0) { 2273d7d1474fSKlaus Jensen iocb->ret = ret; 2274d7d1474fSKlaus Jensen goto done; 2275d7d1474fSKlaus Jensen } 2276d7d1474fSKlaus Jensen 2277d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 2278d7d1474fSKlaus Jensen } 2279d7d1474fSKlaus Jensen 2280d7d1474fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, nvme_moff(ns, slba), 2281d7d1474fSKlaus Jensen nvme_m2b(ns, nlb), BDRV_REQ_MAY_UNMAP, 2282d7d1474fSKlaus Jensen nvme_dsm_cb, iocb); 2283d7d1474fSKlaus Jensen return; 2284d7d1474fSKlaus Jensen 2285d7d1474fSKlaus Jensen done: 2286d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2287d7d1474fSKlaus Jensen qemu_bh_schedule(iocb->bh); 2288d7d1474fSKlaus Jensen } 2289d7d1474fSKlaus Jensen 2290d7d1474fSKlaus Jensen static void nvme_dsm_cb(void *opaque, int ret) 2291d7d1474fSKlaus Jensen { 2292d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2293d7d1474fSKlaus Jensen NvmeRequest *req = iocb->req; 2294d7d1474fSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 2295d7d1474fSKlaus Jensen NvmeNamespace *ns = req->ns; 2296d7d1474fSKlaus Jensen NvmeDsmRange *range; 2297d7d1474fSKlaus Jensen uint64_t slba; 2298d7d1474fSKlaus Jensen uint32_t nlb; 2299d7d1474fSKlaus Jensen 2300d7d1474fSKlaus Jensen if (ret < 0) { 2301d7d1474fSKlaus Jensen iocb->ret = ret; 2302d7d1474fSKlaus Jensen goto done; 2303d7d1474fSKlaus Jensen } 2304d7d1474fSKlaus Jensen 2305d7d1474fSKlaus Jensen next: 2306d7d1474fSKlaus Jensen if (iocb->idx == iocb->nr) { 2307d7d1474fSKlaus Jensen goto done; 2308d7d1474fSKlaus Jensen } 2309d7d1474fSKlaus Jensen 2310d7d1474fSKlaus Jensen range = &iocb->range[iocb->idx++]; 2311d7d1474fSKlaus Jensen slba = le64_to_cpu(range->slba); 2312d7d1474fSKlaus Jensen nlb = le32_to_cpu(range->nlb); 2313d7d1474fSKlaus Jensen 2314d7d1474fSKlaus Jensen trace_pci_nvme_dsm_deallocate(slba, nlb); 2315d7d1474fSKlaus Jensen 2316d7d1474fSKlaus Jensen if (nlb > n->dmrsl) { 2317d7d1474fSKlaus Jensen trace_pci_nvme_dsm_single_range_limit_exceeded(nlb, n->dmrsl); 2318d7d1474fSKlaus Jensen goto next; 2319d7d1474fSKlaus Jensen } 2320d7d1474fSKlaus Jensen 2321d7d1474fSKlaus Jensen if (nvme_check_bounds(ns, slba, nlb)) { 2322d7d1474fSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(slba, nlb, 2323d7d1474fSKlaus Jensen ns->id_ns.nsze); 2324d7d1474fSKlaus Jensen goto next; 2325d7d1474fSKlaus Jensen } 2326d7d1474fSKlaus Jensen 2327d7d1474fSKlaus Jensen iocb->aiocb = blk_aio_pdiscard(ns->blkconf.blk, nvme_l2b(ns, slba), 2328d7d1474fSKlaus Jensen nvme_l2b(ns, nlb), 2329d7d1474fSKlaus Jensen nvme_dsm_md_cb, iocb); 2330d7d1474fSKlaus Jensen return; 2331d7d1474fSKlaus Jensen 2332d7d1474fSKlaus Jensen done: 2333d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2334d7d1474fSKlaus Jensen qemu_bh_schedule(iocb->bh); 2335d7d1474fSKlaus Jensen } 2336d7d1474fSKlaus Jensen 233788eea45cSKlaus Jensen static uint16_t nvme_dsm(NvmeCtrl *n, NvmeRequest *req) 233888eea45cSKlaus Jensen { 233988eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 234088eea45cSKlaus Jensen NvmeDsmCmd *dsm = (NvmeDsmCmd *) &req->cmd; 234188eea45cSKlaus Jensen uint32_t attr = le32_to_cpu(dsm->attributes); 234288eea45cSKlaus Jensen uint32_t nr = (le32_to_cpu(dsm->nr) & 0xff) + 1; 234388eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 234488eea45cSKlaus Jensen 2345d7d1474fSKlaus Jensen trace_pci_nvme_dsm(nr, attr); 234688eea45cSKlaus Jensen 234788eea45cSKlaus Jensen if (attr & NVME_DSMGMT_AD) { 2348d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = blk_aio_get(&nvme_dsm_aiocb_info, ns->blkconf.blk, 2349d7d1474fSKlaus Jensen nvme_misc_cb, req); 235088eea45cSKlaus Jensen 2351d7d1474fSKlaus Jensen iocb->req = req; 2352d7d1474fSKlaus Jensen iocb->bh = qemu_bh_new(nvme_dsm_bh, iocb); 2353d7d1474fSKlaus Jensen iocb->ret = 0; 2354d7d1474fSKlaus Jensen iocb->range = g_new(NvmeDsmRange, nr); 2355d7d1474fSKlaus Jensen iocb->nr = nr; 2356d7d1474fSKlaus Jensen iocb->idx = 0; 2357d7d1474fSKlaus Jensen 2358d7d1474fSKlaus Jensen status = nvme_h2c(n, (uint8_t *)iocb->range, sizeof(NvmeDsmRange) * nr, 2359d7d1474fSKlaus Jensen req); 236088eea45cSKlaus Jensen if (status) { 236188eea45cSKlaus Jensen return status; 236288eea45cSKlaus Jensen } 236388eea45cSKlaus Jensen 2364d7d1474fSKlaus Jensen req->aiocb = &iocb->common; 2365d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 236688eea45cSKlaus Jensen 2367d7d1474fSKlaus Jensen return NVME_NO_COMPLETE; 236888eea45cSKlaus Jensen } 236988eea45cSKlaus Jensen 237088eea45cSKlaus Jensen return status; 237188eea45cSKlaus Jensen } 237288eea45cSKlaus Jensen 237388eea45cSKlaus Jensen static uint16_t nvme_verify(NvmeCtrl *n, NvmeRequest *req) 237488eea45cSKlaus Jensen { 237588eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 237688eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 237788eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 237888eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 237988eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 238088eea45cSKlaus Jensen size_t len = nvme_l2b(ns, nlb); 238188eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 23822a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 238388eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 238488eea45cSKlaus Jensen NvmeBounceContext *ctx = NULL; 238588eea45cSKlaus Jensen uint16_t status; 238688eea45cSKlaus Jensen 238788eea45cSKlaus Jensen trace_pci_nvme_verify(nvme_cid(req), nvme_nsid(ns), slba, nlb); 238888eea45cSKlaus Jensen 238988eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 23902a132309SKlaus Jensen status = nvme_check_prinfo(ns, prinfo, slba, reftag); 239188eea45cSKlaus Jensen if (status) { 239288eea45cSKlaus Jensen return status; 239388eea45cSKlaus Jensen } 239488eea45cSKlaus Jensen 23952a132309SKlaus Jensen if (prinfo & NVME_PRINFO_PRACT) { 239688eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 239788eea45cSKlaus Jensen } 239888eea45cSKlaus Jensen } 239988eea45cSKlaus Jensen 240088eea45cSKlaus Jensen if (len > n->page_size << n->params.vsl) { 240188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 240288eea45cSKlaus Jensen } 240388eea45cSKlaus Jensen 240488eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 240588eea45cSKlaus Jensen if (status) { 240688eea45cSKlaus Jensen return status; 240788eea45cSKlaus Jensen } 240888eea45cSKlaus Jensen 240988eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 241088eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 241188eea45cSKlaus Jensen if (status) { 241288eea45cSKlaus Jensen return status; 241388eea45cSKlaus Jensen } 241488eea45cSKlaus Jensen } 241588eea45cSKlaus Jensen 241688eea45cSKlaus Jensen ctx = g_new0(NvmeBounceContext, 1); 241788eea45cSKlaus Jensen ctx->req = req; 241888eea45cSKlaus Jensen 241988eea45cSKlaus Jensen ctx->data.bounce = g_malloc(len); 242088eea45cSKlaus Jensen 242188eea45cSKlaus Jensen qemu_iovec_init(&ctx->data.iov, 1); 242288eea45cSKlaus Jensen qemu_iovec_add(&ctx->data.iov, ctx->data.bounce, len); 242388eea45cSKlaus Jensen 242488eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, ctx->data.iov.size, 242588eea45cSKlaus Jensen BLOCK_ACCT_READ); 242688eea45cSKlaus Jensen 242788eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(ns->blkconf.blk, offset, &ctx->data.iov, 0, 242888eea45cSKlaus Jensen nvme_verify_mdata_in_cb, ctx); 242988eea45cSKlaus Jensen return NVME_NO_COMPLETE; 243088eea45cSKlaus Jensen } 243188eea45cSKlaus Jensen 2432796d2068SKlaus Jensen typedef struct NvmeCopyAIOCB { 2433796d2068SKlaus Jensen BlockAIOCB common; 2434796d2068SKlaus Jensen BlockAIOCB *aiocb; 2435796d2068SKlaus Jensen NvmeRequest *req; 2436796d2068SKlaus Jensen QEMUBH *bh; 2437796d2068SKlaus Jensen int ret; 2438796d2068SKlaus Jensen 2439796d2068SKlaus Jensen NvmeCopySourceRange *ranges; 2440796d2068SKlaus Jensen int nr; 2441796d2068SKlaus Jensen int idx; 2442796d2068SKlaus Jensen 2443796d2068SKlaus Jensen uint8_t *bounce; 2444796d2068SKlaus Jensen QEMUIOVector iov; 2445796d2068SKlaus Jensen struct { 2446796d2068SKlaus Jensen BlockAcctCookie read; 2447796d2068SKlaus Jensen BlockAcctCookie write; 2448796d2068SKlaus Jensen } acct; 2449796d2068SKlaus Jensen 2450796d2068SKlaus Jensen uint32_t reftag; 2451796d2068SKlaus Jensen uint64_t slba; 2452796d2068SKlaus Jensen 2453796d2068SKlaus Jensen NvmeZone *zone; 2454796d2068SKlaus Jensen } NvmeCopyAIOCB; 2455796d2068SKlaus Jensen 2456796d2068SKlaus Jensen static void nvme_copy_cancel(BlockAIOCB *aiocb) 245788eea45cSKlaus Jensen { 2458796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = container_of(aiocb, NvmeCopyAIOCB, common); 2459796d2068SKlaus Jensen 2460796d2068SKlaus Jensen iocb->ret = -ECANCELED; 2461796d2068SKlaus Jensen 2462796d2068SKlaus Jensen if (iocb->aiocb) { 2463796d2068SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 2464796d2068SKlaus Jensen iocb->aiocb = NULL; 2465796d2068SKlaus Jensen } 2466796d2068SKlaus Jensen } 2467796d2068SKlaus Jensen 2468796d2068SKlaus Jensen static const AIOCBInfo nvme_copy_aiocb_info = { 2469796d2068SKlaus Jensen .aiocb_size = sizeof(NvmeCopyAIOCB), 2470796d2068SKlaus Jensen .cancel_async = nvme_copy_cancel, 2471796d2068SKlaus Jensen }; 2472796d2068SKlaus Jensen 2473796d2068SKlaus Jensen static void nvme_copy_bh(void *opaque) 2474796d2068SKlaus Jensen { 2475796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2476796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 247788eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 2478796d2068SKlaus Jensen BlockAcctStats *stats = blk_get_stats(ns->blkconf.blk); 2479796d2068SKlaus Jensen 2480796d2068SKlaus Jensen if (iocb->idx != iocb->nr) { 2481796d2068SKlaus Jensen req->cqe.result = cpu_to_le32(iocb->idx); 2482796d2068SKlaus Jensen } 2483796d2068SKlaus Jensen 2484796d2068SKlaus Jensen qemu_iovec_destroy(&iocb->iov); 2485796d2068SKlaus Jensen g_free(iocb->bounce); 2486796d2068SKlaus Jensen 2487796d2068SKlaus Jensen qemu_bh_delete(iocb->bh); 2488796d2068SKlaus Jensen iocb->bh = NULL; 2489796d2068SKlaus Jensen 2490796d2068SKlaus Jensen if (iocb->ret < 0) { 2491796d2068SKlaus Jensen block_acct_failed(stats, &iocb->acct.read); 2492796d2068SKlaus Jensen block_acct_failed(stats, &iocb->acct.write); 2493796d2068SKlaus Jensen } else { 2494796d2068SKlaus Jensen block_acct_done(stats, &iocb->acct.read); 2495796d2068SKlaus Jensen block_acct_done(stats, &iocb->acct.write); 2496796d2068SKlaus Jensen } 2497796d2068SKlaus Jensen 2498796d2068SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 2499796d2068SKlaus Jensen qemu_aio_unref(iocb); 2500796d2068SKlaus Jensen } 2501796d2068SKlaus Jensen 2502796d2068SKlaus Jensen static void nvme_copy_cb(void *opaque, int ret); 2503796d2068SKlaus Jensen 2504796d2068SKlaus Jensen static void nvme_copy_out_completed_cb(void *opaque, int ret) 2505796d2068SKlaus Jensen { 2506796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2507796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2508796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2509796d2068SKlaus Jensen NvmeCopySourceRange *range = &iocb->ranges[iocb->idx]; 2510796d2068SKlaus Jensen uint32_t nlb = le32_to_cpu(range->nlb) + 1; 2511796d2068SKlaus Jensen 2512796d2068SKlaus Jensen if (ret < 0) { 2513796d2068SKlaus Jensen iocb->ret = ret; 2514796d2068SKlaus Jensen goto out; 2515796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2516796d2068SKlaus Jensen goto out; 2517796d2068SKlaus Jensen } 2518796d2068SKlaus Jensen 2519796d2068SKlaus Jensen if (ns->params.zoned) { 2520796d2068SKlaus Jensen nvme_advance_zone_wp(ns, iocb->zone, nlb); 2521796d2068SKlaus Jensen } 2522796d2068SKlaus Jensen 2523796d2068SKlaus Jensen iocb->idx++; 2524796d2068SKlaus Jensen iocb->slba += nlb; 2525796d2068SKlaus Jensen out: 2526796d2068SKlaus Jensen nvme_copy_cb(iocb, iocb->ret); 2527796d2068SKlaus Jensen } 2528796d2068SKlaus Jensen 2529796d2068SKlaus Jensen static void nvme_copy_out_cb(void *opaque, int ret) 2530796d2068SKlaus Jensen { 2531796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2532796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2533796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2534796d2068SKlaus Jensen NvmeCopySourceRange *range; 2535796d2068SKlaus Jensen uint32_t nlb; 2536796d2068SKlaus Jensen size_t mlen; 2537796d2068SKlaus Jensen uint8_t *mbounce; 2538796d2068SKlaus Jensen 2539796d2068SKlaus Jensen if (ret < 0) { 2540796d2068SKlaus Jensen iocb->ret = ret; 2541796d2068SKlaus Jensen goto out; 2542796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2543796d2068SKlaus Jensen goto out; 2544796d2068SKlaus Jensen } 2545796d2068SKlaus Jensen 2546796d2068SKlaus Jensen if (!ns->lbaf.ms) { 2547796d2068SKlaus Jensen nvme_copy_out_completed_cb(iocb, 0); 2548796d2068SKlaus Jensen return; 2549796d2068SKlaus Jensen } 2550796d2068SKlaus Jensen 2551796d2068SKlaus Jensen range = &iocb->ranges[iocb->idx]; 2552796d2068SKlaus Jensen nlb = le32_to_cpu(range->nlb) + 1; 2553796d2068SKlaus Jensen 2554796d2068SKlaus Jensen mlen = nvme_m2b(ns, nlb); 2555796d2068SKlaus Jensen mbounce = iocb->bounce + nvme_l2b(ns, nlb); 2556796d2068SKlaus Jensen 2557796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2558796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, mbounce, mlen); 2559796d2068SKlaus Jensen 2560796d2068SKlaus Jensen iocb->aiocb = blk_aio_pwritev(ns->blkconf.blk, nvme_moff(ns, iocb->slba), 2561796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_out_completed_cb, 2562796d2068SKlaus Jensen iocb); 2563796d2068SKlaus Jensen 2564796d2068SKlaus Jensen return; 2565796d2068SKlaus Jensen 2566796d2068SKlaus Jensen out: 2567796d2068SKlaus Jensen nvme_copy_cb(iocb, ret); 2568796d2068SKlaus Jensen } 2569796d2068SKlaus Jensen 2570796d2068SKlaus Jensen static void nvme_copy_in_completed_cb(void *opaque, int ret) 2571796d2068SKlaus Jensen { 2572796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2573796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2574796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2575796d2068SKlaus Jensen NvmeCopySourceRange *range; 2576796d2068SKlaus Jensen uint32_t nlb; 2577796d2068SKlaus Jensen size_t len; 2578796d2068SKlaus Jensen uint16_t status; 2579796d2068SKlaus Jensen 2580796d2068SKlaus Jensen if (ret < 0) { 2581796d2068SKlaus Jensen iocb->ret = ret; 2582796d2068SKlaus Jensen goto out; 2583796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2584796d2068SKlaus Jensen goto out; 2585796d2068SKlaus Jensen } 2586796d2068SKlaus Jensen 2587796d2068SKlaus Jensen range = &iocb->ranges[iocb->idx]; 2588796d2068SKlaus Jensen nlb = le32_to_cpu(range->nlb) + 1; 2589796d2068SKlaus Jensen len = nvme_l2b(ns, nlb); 2590796d2068SKlaus Jensen 2591796d2068SKlaus Jensen trace_pci_nvme_copy_out(iocb->slba, nlb); 2592796d2068SKlaus Jensen 2593796d2068SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 259488eea45cSKlaus Jensen NvmeCopyCmd *copy = (NvmeCopyCmd *)&req->cmd; 259588eea45cSKlaus Jensen 2596796d2068SKlaus Jensen uint16_t prinfor = ((copy->control[0] >> 4) & 0xf); 2597796d2068SKlaus Jensen uint16_t prinfow = ((copy->control[2] >> 2) & 0xf); 259888eea45cSKlaus Jensen 2599796d2068SKlaus Jensen uint16_t apptag = le16_to_cpu(range->apptag); 2600796d2068SKlaus Jensen uint16_t appmask = le16_to_cpu(range->appmask); 2601796d2068SKlaus Jensen uint32_t reftag = le32_to_cpu(range->reftag); 2602796d2068SKlaus Jensen 2603796d2068SKlaus Jensen uint64_t slba = le64_to_cpu(range->slba); 2604796d2068SKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 2605796d2068SKlaus Jensen uint8_t *mbounce = iocb->bounce + nvme_l2b(ns, nlb); 2606796d2068SKlaus Jensen 2607796d2068SKlaus Jensen status = nvme_dif_check(ns, iocb->bounce, len, mbounce, mlen, prinfor, 2608796d2068SKlaus Jensen slba, apptag, appmask, &reftag); 2609796d2068SKlaus Jensen if (status) { 2610796d2068SKlaus Jensen goto invalid; 2611796d2068SKlaus Jensen } 2612796d2068SKlaus Jensen 2613796d2068SKlaus Jensen apptag = le16_to_cpu(copy->apptag); 2614796d2068SKlaus Jensen appmask = le16_to_cpu(copy->appmask); 2615796d2068SKlaus Jensen 2616796d2068SKlaus Jensen if (prinfow & NVME_PRINFO_PRACT) { 2617796d2068SKlaus Jensen status = nvme_check_prinfo(ns, prinfow, iocb->slba, iocb->reftag); 2618796d2068SKlaus Jensen if (status) { 2619796d2068SKlaus Jensen goto invalid; 2620796d2068SKlaus Jensen } 2621796d2068SKlaus Jensen 2622796d2068SKlaus Jensen nvme_dif_pract_generate_dif(ns, iocb->bounce, len, mbounce, mlen, 2623796d2068SKlaus Jensen apptag, &iocb->reftag); 2624796d2068SKlaus Jensen } else { 2625796d2068SKlaus Jensen status = nvme_dif_check(ns, iocb->bounce, len, mbounce, mlen, 2626796d2068SKlaus Jensen prinfow, iocb->slba, apptag, appmask, 2627796d2068SKlaus Jensen &iocb->reftag); 2628796d2068SKlaus Jensen if (status) { 2629796d2068SKlaus Jensen goto invalid; 2630796d2068SKlaus Jensen } 2631796d2068SKlaus Jensen } 2632796d2068SKlaus Jensen } 2633796d2068SKlaus Jensen 2634796d2068SKlaus Jensen status = nvme_check_bounds(ns, iocb->slba, nlb); 2635796d2068SKlaus Jensen if (status) { 2636796d2068SKlaus Jensen goto invalid; 2637796d2068SKlaus Jensen } 2638796d2068SKlaus Jensen 2639796d2068SKlaus Jensen if (ns->params.zoned) { 2640796d2068SKlaus Jensen status = nvme_check_zone_write(ns, iocb->zone, iocb->slba, nlb); 2641796d2068SKlaus Jensen if (status) { 2642796d2068SKlaus Jensen goto invalid; 2643796d2068SKlaus Jensen } 2644796d2068SKlaus Jensen 2645796d2068SKlaus Jensen iocb->zone->w_ptr += nlb; 2646796d2068SKlaus Jensen } 2647796d2068SKlaus Jensen 2648796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2649796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce, len); 2650796d2068SKlaus Jensen 2651796d2068SKlaus Jensen iocb->aiocb = blk_aio_pwritev(ns->blkconf.blk, nvme_l2b(ns, iocb->slba), 2652796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_out_cb, iocb); 2653796d2068SKlaus Jensen 2654796d2068SKlaus Jensen return; 2655796d2068SKlaus Jensen 2656796d2068SKlaus Jensen invalid: 2657796d2068SKlaus Jensen req->status = status; 2658796d2068SKlaus Jensen iocb->aiocb = NULL; 2659796d2068SKlaus Jensen if (iocb->bh) { 2660796d2068SKlaus Jensen qemu_bh_schedule(iocb->bh); 2661796d2068SKlaus Jensen } 2662796d2068SKlaus Jensen 2663796d2068SKlaus Jensen return; 2664796d2068SKlaus Jensen 2665796d2068SKlaus Jensen out: 2666796d2068SKlaus Jensen nvme_copy_cb(iocb, ret); 2667796d2068SKlaus Jensen } 2668796d2068SKlaus Jensen 2669796d2068SKlaus Jensen static void nvme_copy_in_cb(void *opaque, int ret) 2670796d2068SKlaus Jensen { 2671796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2672796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2673796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2674796d2068SKlaus Jensen NvmeCopySourceRange *range; 2675796d2068SKlaus Jensen uint64_t slba; 2676796d2068SKlaus Jensen uint32_t nlb; 2677796d2068SKlaus Jensen 2678796d2068SKlaus Jensen if (ret < 0) { 2679796d2068SKlaus Jensen iocb->ret = ret; 2680796d2068SKlaus Jensen goto out; 2681796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2682796d2068SKlaus Jensen goto out; 2683796d2068SKlaus Jensen } 2684796d2068SKlaus Jensen 2685796d2068SKlaus Jensen if (!ns->lbaf.ms) { 2686796d2068SKlaus Jensen nvme_copy_in_completed_cb(iocb, 0); 2687796d2068SKlaus Jensen return; 2688796d2068SKlaus Jensen } 2689796d2068SKlaus Jensen 2690796d2068SKlaus Jensen range = &iocb->ranges[iocb->idx]; 2691796d2068SKlaus Jensen slba = le64_to_cpu(range->slba); 2692796d2068SKlaus Jensen nlb = le32_to_cpu(range->nlb) + 1; 2693796d2068SKlaus Jensen 2694796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2695796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce + nvme_l2b(ns, nlb), 2696796d2068SKlaus Jensen nvme_m2b(ns, nlb)); 2697796d2068SKlaus Jensen 2698796d2068SKlaus Jensen iocb->aiocb = blk_aio_preadv(ns->blkconf.blk, nvme_moff(ns, slba), 2699796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_in_completed_cb, 2700796d2068SKlaus Jensen iocb); 2701796d2068SKlaus Jensen return; 2702796d2068SKlaus Jensen 2703796d2068SKlaus Jensen out: 2704796d2068SKlaus Jensen nvme_copy_cb(iocb, iocb->ret); 2705796d2068SKlaus Jensen } 2706796d2068SKlaus Jensen 2707796d2068SKlaus Jensen static void nvme_copy_cb(void *opaque, int ret) 2708796d2068SKlaus Jensen { 2709796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2710796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2711796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2712796d2068SKlaus Jensen NvmeCopySourceRange *range; 2713796d2068SKlaus Jensen uint64_t slba; 2714796d2068SKlaus Jensen uint32_t nlb; 2715796d2068SKlaus Jensen size_t len; 271688eea45cSKlaus Jensen uint16_t status; 271788eea45cSKlaus Jensen 2718796d2068SKlaus Jensen if (ret < 0) { 2719796d2068SKlaus Jensen iocb->ret = ret; 2720796d2068SKlaus Jensen goto done; 2721796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2722796d2068SKlaus Jensen goto done; 272388eea45cSKlaus Jensen } 272488eea45cSKlaus Jensen 2725796d2068SKlaus Jensen if (iocb->idx == iocb->nr) { 2726796d2068SKlaus Jensen goto done; 272788eea45cSKlaus Jensen } 272888eea45cSKlaus Jensen 2729796d2068SKlaus Jensen range = &iocb->ranges[iocb->idx]; 2730796d2068SKlaus Jensen slba = le64_to_cpu(range->slba); 2731796d2068SKlaus Jensen nlb = le32_to_cpu(range->nlb) + 1; 2732796d2068SKlaus Jensen len = nvme_l2b(ns, nlb); 273388eea45cSKlaus Jensen 2734796d2068SKlaus Jensen trace_pci_nvme_copy_source_range(slba, nlb); 273588eea45cSKlaus Jensen 2736796d2068SKlaus Jensen if (nlb > le16_to_cpu(ns->id_ns.mssrl)) { 273788eea45cSKlaus Jensen status = NVME_CMD_SIZE_LIMIT | NVME_DNR; 2738796d2068SKlaus Jensen goto invalid; 273988eea45cSKlaus Jensen } 274088eea45cSKlaus Jensen 2741796d2068SKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 274288eea45cSKlaus Jensen if (status) { 2743796d2068SKlaus Jensen goto invalid; 274488eea45cSKlaus Jensen } 274588eea45cSKlaus Jensen 274688eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 2747796d2068SKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 274888eea45cSKlaus Jensen if (status) { 2749796d2068SKlaus Jensen goto invalid; 275088eea45cSKlaus Jensen } 275188eea45cSKlaus Jensen } 275288eea45cSKlaus Jensen 275388eea45cSKlaus Jensen if (ns->params.zoned) { 2754796d2068SKlaus Jensen status = nvme_check_zone_read(ns, slba, nlb); 275588eea45cSKlaus Jensen if (status) { 2756796d2068SKlaus Jensen goto invalid; 275788eea45cSKlaus Jensen } 275888eea45cSKlaus Jensen } 275988eea45cSKlaus Jensen 2760796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2761796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce, len); 2762796d2068SKlaus Jensen 2763796d2068SKlaus Jensen iocb->aiocb = blk_aio_preadv(ns->blkconf.blk, nvme_l2b(ns, slba), 2764796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_in_cb, iocb); 2765796d2068SKlaus Jensen return; 2766796d2068SKlaus Jensen 2767796d2068SKlaus Jensen invalid: 2768796d2068SKlaus Jensen req->status = status; 2769796d2068SKlaus Jensen done: 2770796d2068SKlaus Jensen iocb->aiocb = NULL; 2771796d2068SKlaus Jensen if (iocb->bh) { 2772796d2068SKlaus Jensen qemu_bh_schedule(iocb->bh); 2773796d2068SKlaus Jensen } 277488eea45cSKlaus Jensen } 277588eea45cSKlaus Jensen 2776796d2068SKlaus Jensen 2777796d2068SKlaus Jensen static uint16_t nvme_copy(NvmeCtrl *n, NvmeRequest *req) 2778796d2068SKlaus Jensen { 2779796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2780796d2068SKlaus Jensen NvmeCopyCmd *copy = (NvmeCopyCmd *)&req->cmd; 2781796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = blk_aio_get(&nvme_copy_aiocb_info, ns->blkconf.blk, 2782796d2068SKlaus Jensen nvme_misc_cb, req); 2783796d2068SKlaus Jensen uint16_t nr = copy->nr + 1; 2784796d2068SKlaus Jensen uint8_t format = copy->control[0] & 0xf; 2785796d2068SKlaus Jensen uint16_t prinfor = ((copy->control[0] >> 4) & 0xf); 2786796d2068SKlaus Jensen uint16_t prinfow = ((copy->control[2] >> 2) & 0xf); 2787796d2068SKlaus Jensen 2788796d2068SKlaus Jensen uint16_t status; 2789796d2068SKlaus Jensen 2790796d2068SKlaus Jensen trace_pci_nvme_copy(nvme_cid(req), nvme_nsid(ns), nr, format); 2791796d2068SKlaus Jensen 2792796d2068SKlaus Jensen iocb->ranges = NULL; 2793796d2068SKlaus Jensen iocb->zone = NULL; 2794796d2068SKlaus Jensen 2795796d2068SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) && 2796796d2068SKlaus Jensen ((prinfor & NVME_PRINFO_PRACT) != (prinfow & NVME_PRINFO_PRACT))) { 2797796d2068SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 2798796d2068SKlaus Jensen goto invalid; 2799796d2068SKlaus Jensen } 2800796d2068SKlaus Jensen 2801796d2068SKlaus Jensen if (!(n->id_ctrl.ocfs & (1 << format))) { 2802796d2068SKlaus Jensen trace_pci_nvme_err_copy_invalid_format(format); 2803796d2068SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 2804796d2068SKlaus Jensen goto invalid; 2805796d2068SKlaus Jensen } 2806796d2068SKlaus Jensen 2807796d2068SKlaus Jensen if (nr > ns->id_ns.msrc + 1) { 280888eea45cSKlaus Jensen status = NVME_CMD_SIZE_LIMIT | NVME_DNR; 2809796d2068SKlaus Jensen goto invalid; 281088eea45cSKlaus Jensen } 281188eea45cSKlaus Jensen 2812796d2068SKlaus Jensen iocb->ranges = g_new(NvmeCopySourceRange, nr); 2813796d2068SKlaus Jensen 2814796d2068SKlaus Jensen status = nvme_h2c(n, (uint8_t *)iocb->ranges, 2815796d2068SKlaus Jensen sizeof(NvmeCopySourceRange) * nr, req); 2816796d2068SKlaus Jensen if (status) { 2817796d2068SKlaus Jensen goto invalid; 281888eea45cSKlaus Jensen } 281988eea45cSKlaus Jensen 2820796d2068SKlaus Jensen iocb->slba = le64_to_cpu(copy->sdlba); 2821796d2068SKlaus Jensen 2822796d2068SKlaus Jensen if (ns->params.zoned) { 2823796d2068SKlaus Jensen iocb->zone = nvme_get_zone_by_slba(ns, iocb->slba); 2824796d2068SKlaus Jensen if (!iocb->zone) { 2825796d2068SKlaus Jensen status = NVME_LBA_RANGE | NVME_DNR; 2826796d2068SKlaus Jensen goto invalid; 2827796d2068SKlaus Jensen } 2828796d2068SKlaus Jensen 2829796d2068SKlaus Jensen status = nvme_zrm_auto(n, ns, iocb->zone); 2830796d2068SKlaus Jensen if (status) { 2831796d2068SKlaus Jensen goto invalid; 2832796d2068SKlaus Jensen } 2833796d2068SKlaus Jensen } 2834796d2068SKlaus Jensen 2835796d2068SKlaus Jensen iocb->req = req; 2836796d2068SKlaus Jensen iocb->bh = qemu_bh_new(nvme_copy_bh, iocb); 2837796d2068SKlaus Jensen iocb->ret = 0; 2838796d2068SKlaus Jensen iocb->nr = nr; 2839796d2068SKlaus Jensen iocb->idx = 0; 2840796d2068SKlaus Jensen iocb->reftag = le32_to_cpu(copy->reftag); 2841796d2068SKlaus Jensen iocb->bounce = g_malloc_n(le16_to_cpu(ns->id_ns.mssrl), 2842796d2068SKlaus Jensen ns->lbasz + ns->lbaf.ms); 2843796d2068SKlaus Jensen 2844796d2068SKlaus Jensen qemu_iovec_init(&iocb->iov, 1); 2845796d2068SKlaus Jensen 2846796d2068SKlaus Jensen block_acct_start(blk_get_stats(ns->blkconf.blk), &iocb->acct.read, 0, 284788eea45cSKlaus Jensen BLOCK_ACCT_READ); 2848796d2068SKlaus Jensen block_acct_start(blk_get_stats(ns->blkconf.blk), &iocb->acct.write, 0, 2849796d2068SKlaus Jensen BLOCK_ACCT_WRITE); 285088eea45cSKlaus Jensen 2851796d2068SKlaus Jensen req->aiocb = &iocb->common; 2852796d2068SKlaus Jensen nvme_copy_cb(iocb, 0); 285388eea45cSKlaus Jensen 285488eea45cSKlaus Jensen return NVME_NO_COMPLETE; 285588eea45cSKlaus Jensen 2856796d2068SKlaus Jensen invalid: 2857796d2068SKlaus Jensen g_free(iocb->ranges); 2858796d2068SKlaus Jensen qemu_aio_unref(iocb); 285988eea45cSKlaus Jensen return status; 286088eea45cSKlaus Jensen } 286188eea45cSKlaus Jensen 286288eea45cSKlaus Jensen static uint16_t nvme_compare(NvmeCtrl *n, NvmeRequest *req) 286388eea45cSKlaus Jensen { 286488eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 286588eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 286688eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 286788eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 286888eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 28692a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 287088eea45cSKlaus Jensen size_t data_len = nvme_l2b(ns, nlb); 287188eea45cSKlaus Jensen size_t len = data_len; 287288eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 287388eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = NULL; 287488eea45cSKlaus Jensen uint16_t status; 287588eea45cSKlaus Jensen 287688eea45cSKlaus Jensen trace_pci_nvme_compare(nvme_cid(req), nvme_nsid(ns), slba, nlb); 287788eea45cSKlaus Jensen 28782a132309SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) && (prinfo & NVME_PRINFO_PRACT)) { 287988eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 288088eea45cSKlaus Jensen } 288188eea45cSKlaus Jensen 288288eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 288388eea45cSKlaus Jensen len += nvme_m2b(ns, nlb); 288488eea45cSKlaus Jensen } 288588eea45cSKlaus Jensen 288688eea45cSKlaus Jensen status = nvme_check_mdts(n, len); 288788eea45cSKlaus Jensen if (status) { 288888eea45cSKlaus Jensen return status; 288988eea45cSKlaus Jensen } 289088eea45cSKlaus Jensen 289188eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 289288eea45cSKlaus Jensen if (status) { 289388eea45cSKlaus Jensen return status; 289488eea45cSKlaus Jensen } 289588eea45cSKlaus Jensen 289688eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 289788eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 289888eea45cSKlaus Jensen if (status) { 289988eea45cSKlaus Jensen return status; 290088eea45cSKlaus Jensen } 290188eea45cSKlaus Jensen } 290288eea45cSKlaus Jensen 290388eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 290488eea45cSKlaus Jensen if (status) { 290588eea45cSKlaus Jensen return status; 290688eea45cSKlaus Jensen } 290788eea45cSKlaus Jensen 290888eea45cSKlaus Jensen ctx = g_new(struct nvme_compare_ctx, 1); 290988eea45cSKlaus Jensen ctx->data.bounce = g_malloc(data_len); 291088eea45cSKlaus Jensen 291188eea45cSKlaus Jensen req->opaque = ctx; 291288eea45cSKlaus Jensen 291388eea45cSKlaus Jensen qemu_iovec_init(&ctx->data.iov, 1); 291488eea45cSKlaus Jensen qemu_iovec_add(&ctx->data.iov, ctx->data.bounce, data_len); 291588eea45cSKlaus Jensen 291688eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_len, 291788eea45cSKlaus Jensen BLOCK_ACCT_READ); 291888eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->data.iov, 0, 291988eea45cSKlaus Jensen nvme_compare_data_cb, req); 292088eea45cSKlaus Jensen 292188eea45cSKlaus Jensen return NVME_NO_COMPLETE; 292288eea45cSKlaus Jensen } 292388eea45cSKlaus Jensen 292438f4ac65SKlaus Jensen typedef struct NvmeFlushAIOCB { 292538f4ac65SKlaus Jensen BlockAIOCB common; 292638f4ac65SKlaus Jensen BlockAIOCB *aiocb; 292738f4ac65SKlaus Jensen NvmeRequest *req; 292838f4ac65SKlaus Jensen QEMUBH *bh; 292938f4ac65SKlaus Jensen int ret; 293038f4ac65SKlaus Jensen 293138f4ac65SKlaus Jensen NvmeNamespace *ns; 293238f4ac65SKlaus Jensen uint32_t nsid; 293338f4ac65SKlaus Jensen bool broadcast; 293438f4ac65SKlaus Jensen } NvmeFlushAIOCB; 293538f4ac65SKlaus Jensen 293638f4ac65SKlaus Jensen static void nvme_flush_cancel(BlockAIOCB *acb) 293738f4ac65SKlaus Jensen { 293838f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = container_of(acb, NvmeFlushAIOCB, common); 293938f4ac65SKlaus Jensen 294038f4ac65SKlaus Jensen iocb->ret = -ECANCELED; 294138f4ac65SKlaus Jensen 294238f4ac65SKlaus Jensen if (iocb->aiocb) { 294338f4ac65SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 294438f4ac65SKlaus Jensen } 294538f4ac65SKlaus Jensen } 294638f4ac65SKlaus Jensen 294738f4ac65SKlaus Jensen static const AIOCBInfo nvme_flush_aiocb_info = { 294838f4ac65SKlaus Jensen .aiocb_size = sizeof(NvmeFlushAIOCB), 294938f4ac65SKlaus Jensen .cancel_async = nvme_flush_cancel, 295038f4ac65SKlaus Jensen .get_aio_context = nvme_get_aio_context, 295138f4ac65SKlaus Jensen }; 295238f4ac65SKlaus Jensen 295338f4ac65SKlaus Jensen static void nvme_flush_ns_cb(void *opaque, int ret) 295438f4ac65SKlaus Jensen { 295538f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = opaque; 295638f4ac65SKlaus Jensen NvmeNamespace *ns = iocb->ns; 295738f4ac65SKlaus Jensen 295838f4ac65SKlaus Jensen if (ret < 0) { 295938f4ac65SKlaus Jensen iocb->ret = ret; 296038f4ac65SKlaus Jensen goto out; 296138f4ac65SKlaus Jensen } else if (iocb->ret < 0) { 296238f4ac65SKlaus Jensen goto out; 296338f4ac65SKlaus Jensen } 296438f4ac65SKlaus Jensen 296538f4ac65SKlaus Jensen if (ns) { 296638f4ac65SKlaus Jensen trace_pci_nvme_flush_ns(iocb->nsid); 296738f4ac65SKlaus Jensen 296838f4ac65SKlaus Jensen iocb->ns = NULL; 296938f4ac65SKlaus Jensen iocb->aiocb = blk_aio_flush(ns->blkconf.blk, nvme_flush_ns_cb, iocb); 297038f4ac65SKlaus Jensen return; 297138f4ac65SKlaus Jensen } 297238f4ac65SKlaus Jensen 297338f4ac65SKlaus Jensen out: 297438f4ac65SKlaus Jensen iocb->aiocb = NULL; 297538f4ac65SKlaus Jensen qemu_bh_schedule(iocb->bh); 297638f4ac65SKlaus Jensen } 297738f4ac65SKlaus Jensen 297838f4ac65SKlaus Jensen static void nvme_flush_bh(void *opaque) 297938f4ac65SKlaus Jensen { 298038f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = opaque; 298138f4ac65SKlaus Jensen NvmeRequest *req = iocb->req; 298238f4ac65SKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 298338f4ac65SKlaus Jensen int i; 298438f4ac65SKlaus Jensen 298538f4ac65SKlaus Jensen if (iocb->ret < 0) { 298638f4ac65SKlaus Jensen goto done; 298738f4ac65SKlaus Jensen } 298838f4ac65SKlaus Jensen 298938f4ac65SKlaus Jensen if (iocb->broadcast) { 299038f4ac65SKlaus Jensen for (i = iocb->nsid + 1; i <= NVME_MAX_NAMESPACES; i++) { 299138f4ac65SKlaus Jensen iocb->ns = nvme_ns(n, i); 299238f4ac65SKlaus Jensen if (iocb->ns) { 299338f4ac65SKlaus Jensen iocb->nsid = i; 299438f4ac65SKlaus Jensen break; 299538f4ac65SKlaus Jensen } 299638f4ac65SKlaus Jensen } 299738f4ac65SKlaus Jensen } 299838f4ac65SKlaus Jensen 299938f4ac65SKlaus Jensen if (!iocb->ns) { 300038f4ac65SKlaus Jensen goto done; 300138f4ac65SKlaus Jensen } 300238f4ac65SKlaus Jensen 300338f4ac65SKlaus Jensen nvme_flush_ns_cb(iocb, 0); 300438f4ac65SKlaus Jensen return; 300538f4ac65SKlaus Jensen 300638f4ac65SKlaus Jensen done: 300738f4ac65SKlaus Jensen qemu_bh_delete(iocb->bh); 300838f4ac65SKlaus Jensen iocb->bh = NULL; 300938f4ac65SKlaus Jensen 301038f4ac65SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 301138f4ac65SKlaus Jensen 301238f4ac65SKlaus Jensen qemu_aio_unref(iocb); 301338f4ac65SKlaus Jensen 301438f4ac65SKlaus Jensen return; 301538f4ac65SKlaus Jensen } 301638f4ac65SKlaus Jensen 301788eea45cSKlaus Jensen static uint16_t nvme_flush(NvmeCtrl *n, NvmeRequest *req) 301888eea45cSKlaus Jensen { 301938f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb; 302088eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 302188eea45cSKlaus Jensen uint16_t status; 302288eea45cSKlaus Jensen 302338f4ac65SKlaus Jensen iocb = qemu_aio_get(&nvme_flush_aiocb_info, NULL, nvme_misc_cb, req); 302488eea45cSKlaus Jensen 302538f4ac65SKlaus Jensen iocb->req = req; 302638f4ac65SKlaus Jensen iocb->bh = qemu_bh_new(nvme_flush_bh, iocb); 302738f4ac65SKlaus Jensen iocb->ret = 0; 302838f4ac65SKlaus Jensen iocb->ns = NULL; 302938f4ac65SKlaus Jensen iocb->nsid = 0; 303038f4ac65SKlaus Jensen iocb->broadcast = (nsid == NVME_NSID_BROADCAST); 303138f4ac65SKlaus Jensen 303238f4ac65SKlaus Jensen if (!iocb->broadcast) { 303338f4ac65SKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 303438f4ac65SKlaus Jensen status = NVME_INVALID_NSID | NVME_DNR; 303538f4ac65SKlaus Jensen goto out; 303688eea45cSKlaus Jensen } 303788eea45cSKlaus Jensen 303838f4ac65SKlaus Jensen iocb->ns = nvme_ns(n, nsid); 303938f4ac65SKlaus Jensen if (!iocb->ns) { 304038f4ac65SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 304138f4ac65SKlaus Jensen goto out; 304238f4ac65SKlaus Jensen } 304338f4ac65SKlaus Jensen 304438f4ac65SKlaus Jensen iocb->nsid = nsid; 304538f4ac65SKlaus Jensen } 304638f4ac65SKlaus Jensen 304738f4ac65SKlaus Jensen req->aiocb = &iocb->common; 304838f4ac65SKlaus Jensen qemu_bh_schedule(iocb->bh); 304938f4ac65SKlaus Jensen 305088eea45cSKlaus Jensen return NVME_NO_COMPLETE; 305188eea45cSKlaus Jensen 305238f4ac65SKlaus Jensen out: 305338f4ac65SKlaus Jensen qemu_bh_delete(iocb->bh); 305438f4ac65SKlaus Jensen iocb->bh = NULL; 305538f4ac65SKlaus Jensen qemu_aio_unref(iocb); 305688eea45cSKlaus Jensen 305788eea45cSKlaus Jensen return status; 305888eea45cSKlaus Jensen } 305988eea45cSKlaus Jensen 306088eea45cSKlaus Jensen static uint16_t nvme_read(NvmeCtrl *n, NvmeRequest *req) 306188eea45cSKlaus Jensen { 306288eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 306388eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 306488eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 306588eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 30662a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 306788eea45cSKlaus Jensen uint64_t data_size = nvme_l2b(ns, nlb); 306888eea45cSKlaus Jensen uint64_t mapped_size = data_size; 306988eea45cSKlaus Jensen uint64_t data_offset; 307088eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 307188eea45cSKlaus Jensen uint16_t status; 307288eea45cSKlaus Jensen 307388eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 307488eea45cSKlaus Jensen mapped_size += nvme_m2b(ns, nlb); 307588eea45cSKlaus Jensen 307688eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 30772a132309SKlaus Jensen bool pract = prinfo & NVME_PRINFO_PRACT; 307888eea45cSKlaus Jensen 307988eea45cSKlaus Jensen if (pract && ns->lbaf.ms == 8) { 308088eea45cSKlaus Jensen mapped_size = data_size; 308188eea45cSKlaus Jensen } 308288eea45cSKlaus Jensen } 308388eea45cSKlaus Jensen } 308488eea45cSKlaus Jensen 308588eea45cSKlaus Jensen trace_pci_nvme_read(nvme_cid(req), nvme_nsid(ns), nlb, mapped_size, slba); 308688eea45cSKlaus Jensen 308788eea45cSKlaus Jensen status = nvme_check_mdts(n, mapped_size); 308888eea45cSKlaus Jensen if (status) { 308988eea45cSKlaus Jensen goto invalid; 309088eea45cSKlaus Jensen } 309188eea45cSKlaus Jensen 309288eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 309388eea45cSKlaus Jensen if (status) { 309488eea45cSKlaus Jensen goto invalid; 309588eea45cSKlaus Jensen } 309688eea45cSKlaus Jensen 309788eea45cSKlaus Jensen if (ns->params.zoned) { 309888eea45cSKlaus Jensen status = nvme_check_zone_read(ns, slba, nlb); 309988eea45cSKlaus Jensen if (status) { 310088eea45cSKlaus Jensen trace_pci_nvme_err_zone_read_not_ok(slba, nlb, status); 310188eea45cSKlaus Jensen goto invalid; 310288eea45cSKlaus Jensen } 310388eea45cSKlaus Jensen } 310488eea45cSKlaus Jensen 310588eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 310688eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 310788eea45cSKlaus Jensen if (status) { 310888eea45cSKlaus Jensen goto invalid; 310988eea45cSKlaus Jensen } 311088eea45cSKlaus Jensen } 311188eea45cSKlaus Jensen 311288eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 311388eea45cSKlaus Jensen return nvme_dif_rw(n, req); 311488eea45cSKlaus Jensen } 311588eea45cSKlaus Jensen 311688eea45cSKlaus Jensen status = nvme_map_data(n, nlb, req); 311788eea45cSKlaus Jensen if (status) { 311888eea45cSKlaus Jensen goto invalid; 311988eea45cSKlaus Jensen } 312088eea45cSKlaus Jensen 312188eea45cSKlaus Jensen data_offset = nvme_l2b(ns, slba); 312288eea45cSKlaus Jensen 312388eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_size, 312488eea45cSKlaus Jensen BLOCK_ACCT_READ); 312588eea45cSKlaus Jensen nvme_blk_read(blk, data_offset, nvme_rw_cb, req); 312688eea45cSKlaus Jensen return NVME_NO_COMPLETE; 312788eea45cSKlaus Jensen 312888eea45cSKlaus Jensen invalid: 312988eea45cSKlaus Jensen block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_READ); 313088eea45cSKlaus Jensen return status | NVME_DNR; 313188eea45cSKlaus Jensen } 313288eea45cSKlaus Jensen 313388eea45cSKlaus Jensen static uint16_t nvme_do_write(NvmeCtrl *n, NvmeRequest *req, bool append, 313488eea45cSKlaus Jensen bool wrz) 313588eea45cSKlaus Jensen { 313688eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 313788eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 313888eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 313988eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 314088eea45cSKlaus Jensen uint16_t ctrl = le16_to_cpu(rw->control); 31412a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(ctrl); 314288eea45cSKlaus Jensen uint64_t data_size = nvme_l2b(ns, nlb); 314388eea45cSKlaus Jensen uint64_t mapped_size = data_size; 314488eea45cSKlaus Jensen uint64_t data_offset; 314588eea45cSKlaus Jensen NvmeZone *zone; 314688eea45cSKlaus Jensen NvmeZonedResult *res = (NvmeZonedResult *)&req->cqe; 314788eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 314888eea45cSKlaus Jensen uint16_t status; 314988eea45cSKlaus Jensen 315088eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 315188eea45cSKlaus Jensen mapped_size += nvme_m2b(ns, nlb); 315288eea45cSKlaus Jensen 315388eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 31542a132309SKlaus Jensen bool pract = prinfo & NVME_PRINFO_PRACT; 315588eea45cSKlaus Jensen 315688eea45cSKlaus Jensen if (pract && ns->lbaf.ms == 8) { 315788eea45cSKlaus Jensen mapped_size -= nvme_m2b(ns, nlb); 315888eea45cSKlaus Jensen } 315988eea45cSKlaus Jensen } 316088eea45cSKlaus Jensen } 316188eea45cSKlaus Jensen 316288eea45cSKlaus Jensen trace_pci_nvme_write(nvme_cid(req), nvme_io_opc_str(rw->opcode), 316388eea45cSKlaus Jensen nvme_nsid(ns), nlb, mapped_size, slba); 316488eea45cSKlaus Jensen 316588eea45cSKlaus Jensen if (!wrz) { 316688eea45cSKlaus Jensen status = nvme_check_mdts(n, mapped_size); 316788eea45cSKlaus Jensen if (status) { 316888eea45cSKlaus Jensen goto invalid; 316988eea45cSKlaus Jensen } 317088eea45cSKlaus Jensen } 317188eea45cSKlaus Jensen 317288eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 317388eea45cSKlaus Jensen if (status) { 317488eea45cSKlaus Jensen goto invalid; 317588eea45cSKlaus Jensen } 317688eea45cSKlaus Jensen 317788eea45cSKlaus Jensen if (ns->params.zoned) { 317888eea45cSKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 3179189a8bf7SKlaus Jensen assert(zone); 318088eea45cSKlaus Jensen 318188eea45cSKlaus Jensen if (append) { 318288eea45cSKlaus Jensen bool piremap = !!(ctrl & NVME_RW_PIREMAP); 318388eea45cSKlaus Jensen 318488eea45cSKlaus Jensen if (unlikely(slba != zone->d.zslba)) { 318588eea45cSKlaus Jensen trace_pci_nvme_err_append_not_at_start(slba, zone->d.zslba); 318688eea45cSKlaus Jensen status = NVME_INVALID_FIELD; 318788eea45cSKlaus Jensen goto invalid; 318888eea45cSKlaus Jensen } 318988eea45cSKlaus Jensen 319088eea45cSKlaus Jensen if (n->params.zasl && 319188eea45cSKlaus Jensen data_size > (uint64_t)n->page_size << n->params.zasl) { 319288eea45cSKlaus Jensen trace_pci_nvme_err_zasl(data_size); 319388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 319488eea45cSKlaus Jensen } 319588eea45cSKlaus Jensen 319688eea45cSKlaus Jensen slba = zone->w_ptr; 319788eea45cSKlaus Jensen rw->slba = cpu_to_le64(slba); 319888eea45cSKlaus Jensen res->slba = cpu_to_le64(slba); 319988eea45cSKlaus Jensen 320088eea45cSKlaus Jensen switch (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 320188eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_1: 320288eea45cSKlaus Jensen if (!piremap) { 320388eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 320488eea45cSKlaus Jensen } 320588eea45cSKlaus Jensen 320688eea45cSKlaus Jensen /* fallthrough */ 320788eea45cSKlaus Jensen 320888eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_2: 320988eea45cSKlaus Jensen if (piremap) { 321088eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 321188eea45cSKlaus Jensen rw->reftag = cpu_to_le32(reftag + (slba - zone->d.zslba)); 321288eea45cSKlaus Jensen } 321388eea45cSKlaus Jensen 321488eea45cSKlaus Jensen break; 321588eea45cSKlaus Jensen 321688eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_3: 321788eea45cSKlaus Jensen if (piremap) { 321888eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 321988eea45cSKlaus Jensen } 322088eea45cSKlaus Jensen 322188eea45cSKlaus Jensen break; 322288eea45cSKlaus Jensen } 322388eea45cSKlaus Jensen } 322488eea45cSKlaus Jensen 322588eea45cSKlaus Jensen status = nvme_check_zone_write(ns, zone, slba, nlb); 322688eea45cSKlaus Jensen if (status) { 322788eea45cSKlaus Jensen goto invalid; 322888eea45cSKlaus Jensen } 322988eea45cSKlaus Jensen 3230cccc2651SNiklas Cassel status = nvme_zrm_auto(n, ns, zone); 323188eea45cSKlaus Jensen if (status) { 323288eea45cSKlaus Jensen goto invalid; 323388eea45cSKlaus Jensen } 323488eea45cSKlaus Jensen 323588eea45cSKlaus Jensen zone->w_ptr += nlb; 323688eea45cSKlaus Jensen } 323788eea45cSKlaus Jensen 323888eea45cSKlaus Jensen data_offset = nvme_l2b(ns, slba); 323988eea45cSKlaus Jensen 324088eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 324188eea45cSKlaus Jensen return nvme_dif_rw(n, req); 324288eea45cSKlaus Jensen } 324388eea45cSKlaus Jensen 324488eea45cSKlaus Jensen if (!wrz) { 324588eea45cSKlaus Jensen status = nvme_map_data(n, nlb, req); 324688eea45cSKlaus Jensen if (status) { 324788eea45cSKlaus Jensen goto invalid; 324888eea45cSKlaus Jensen } 324988eea45cSKlaus Jensen 325088eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_size, 325188eea45cSKlaus Jensen BLOCK_ACCT_WRITE); 325288eea45cSKlaus Jensen nvme_blk_write(blk, data_offset, nvme_rw_cb, req); 325388eea45cSKlaus Jensen } else { 325488eea45cSKlaus Jensen req->aiocb = blk_aio_pwrite_zeroes(blk, data_offset, data_size, 325588eea45cSKlaus Jensen BDRV_REQ_MAY_UNMAP, nvme_rw_cb, 325688eea45cSKlaus Jensen req); 325788eea45cSKlaus Jensen } 325888eea45cSKlaus Jensen 325988eea45cSKlaus Jensen return NVME_NO_COMPLETE; 326088eea45cSKlaus Jensen 326188eea45cSKlaus Jensen invalid: 326288eea45cSKlaus Jensen block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_WRITE); 326388eea45cSKlaus Jensen return status | NVME_DNR; 326488eea45cSKlaus Jensen } 326588eea45cSKlaus Jensen 326688eea45cSKlaus Jensen static inline uint16_t nvme_write(NvmeCtrl *n, NvmeRequest *req) 326788eea45cSKlaus Jensen { 326888eea45cSKlaus Jensen return nvme_do_write(n, req, false, false); 326988eea45cSKlaus Jensen } 327088eea45cSKlaus Jensen 327188eea45cSKlaus Jensen static inline uint16_t nvme_write_zeroes(NvmeCtrl *n, NvmeRequest *req) 327288eea45cSKlaus Jensen { 327388eea45cSKlaus Jensen return nvme_do_write(n, req, false, true); 327488eea45cSKlaus Jensen } 327588eea45cSKlaus Jensen 327688eea45cSKlaus Jensen static inline uint16_t nvme_zone_append(NvmeCtrl *n, NvmeRequest *req) 327788eea45cSKlaus Jensen { 327888eea45cSKlaus Jensen return nvme_do_write(n, req, true, false); 327988eea45cSKlaus Jensen } 328088eea45cSKlaus Jensen 328188eea45cSKlaus Jensen static uint16_t nvme_get_mgmt_zone_slba_idx(NvmeNamespace *ns, NvmeCmd *c, 328288eea45cSKlaus Jensen uint64_t *slba, uint32_t *zone_idx) 328388eea45cSKlaus Jensen { 328488eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(c->cdw10); 328588eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(c->cdw11); 328688eea45cSKlaus Jensen 328788eea45cSKlaus Jensen if (!ns->params.zoned) { 328888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_opc(c->opcode); 328988eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 329088eea45cSKlaus Jensen } 329188eea45cSKlaus Jensen 329288eea45cSKlaus Jensen *slba = ((uint64_t)dw11) << 32 | dw10; 329388eea45cSKlaus Jensen if (unlikely(*slba >= ns->id_ns.nsze)) { 329488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(*slba, 0, ns->id_ns.nsze); 329588eea45cSKlaus Jensen *slba = 0; 329688eea45cSKlaus Jensen return NVME_LBA_RANGE | NVME_DNR; 329788eea45cSKlaus Jensen } 329888eea45cSKlaus Jensen 329988eea45cSKlaus Jensen *zone_idx = nvme_zone_idx(ns, *slba); 330088eea45cSKlaus Jensen assert(*zone_idx < ns->num_zones); 330188eea45cSKlaus Jensen 330288eea45cSKlaus Jensen return NVME_SUCCESS; 330388eea45cSKlaus Jensen } 330488eea45cSKlaus Jensen 330588eea45cSKlaus Jensen typedef uint16_t (*op_handler_t)(NvmeNamespace *, NvmeZone *, NvmeZoneState, 330688eea45cSKlaus Jensen NvmeRequest *); 330788eea45cSKlaus Jensen 330888eea45cSKlaus Jensen enum NvmeZoneProcessingMask { 330988eea45cSKlaus Jensen NVME_PROC_CURRENT_ZONE = 0, 331088eea45cSKlaus Jensen NVME_PROC_OPENED_ZONES = 1 << 0, 331188eea45cSKlaus Jensen NVME_PROC_CLOSED_ZONES = 1 << 1, 331288eea45cSKlaus Jensen NVME_PROC_READ_ONLY_ZONES = 1 << 2, 331388eea45cSKlaus Jensen NVME_PROC_FULL_ZONES = 1 << 3, 331488eea45cSKlaus Jensen }; 331588eea45cSKlaus Jensen 331688eea45cSKlaus Jensen static uint16_t nvme_open_zone(NvmeNamespace *ns, NvmeZone *zone, 331788eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 331888eea45cSKlaus Jensen { 3319cccc2651SNiklas Cassel return nvme_zrm_open(nvme_ctrl(req), ns, zone); 332088eea45cSKlaus Jensen } 332188eea45cSKlaus Jensen 332288eea45cSKlaus Jensen static uint16_t nvme_close_zone(NvmeNamespace *ns, NvmeZone *zone, 332388eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 332488eea45cSKlaus Jensen { 332588eea45cSKlaus Jensen return nvme_zrm_close(ns, zone); 332688eea45cSKlaus Jensen } 332788eea45cSKlaus Jensen 332888eea45cSKlaus Jensen static uint16_t nvme_finish_zone(NvmeNamespace *ns, NvmeZone *zone, 332988eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 333088eea45cSKlaus Jensen { 333188eea45cSKlaus Jensen return nvme_zrm_finish(ns, zone); 333288eea45cSKlaus Jensen } 333388eea45cSKlaus Jensen 333488eea45cSKlaus Jensen static uint16_t nvme_offline_zone(NvmeNamespace *ns, NvmeZone *zone, 333588eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 333688eea45cSKlaus Jensen { 333788eea45cSKlaus Jensen switch (state) { 333888eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 333988eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_OFFLINE); 334088eea45cSKlaus Jensen /* fall through */ 334188eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 334288eea45cSKlaus Jensen return NVME_SUCCESS; 334388eea45cSKlaus Jensen default: 334488eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 334588eea45cSKlaus Jensen } 334688eea45cSKlaus Jensen } 334788eea45cSKlaus Jensen 334888eea45cSKlaus Jensen static uint16_t nvme_set_zd_ext(NvmeNamespace *ns, NvmeZone *zone) 334988eea45cSKlaus Jensen { 335088eea45cSKlaus Jensen uint16_t status; 335188eea45cSKlaus Jensen uint8_t state = nvme_get_zone_state(zone); 335288eea45cSKlaus Jensen 335388eea45cSKlaus Jensen if (state == NVME_ZONE_STATE_EMPTY) { 335488eea45cSKlaus Jensen status = nvme_aor_check(ns, 1, 0); 335588eea45cSKlaus Jensen if (status) { 335688eea45cSKlaus Jensen return status; 335788eea45cSKlaus Jensen } 335888eea45cSKlaus Jensen nvme_aor_inc_active(ns); 335988eea45cSKlaus Jensen zone->d.za |= NVME_ZA_ZD_EXT_VALID; 336088eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_CLOSED); 336188eea45cSKlaus Jensen return NVME_SUCCESS; 336288eea45cSKlaus Jensen } 336388eea45cSKlaus Jensen 336488eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 336588eea45cSKlaus Jensen } 336688eea45cSKlaus Jensen 336788eea45cSKlaus Jensen static uint16_t nvme_bulk_proc_zone(NvmeNamespace *ns, NvmeZone *zone, 336888eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask, 336988eea45cSKlaus Jensen op_handler_t op_hndlr, NvmeRequest *req) 337088eea45cSKlaus Jensen { 337188eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 337288eea45cSKlaus Jensen NvmeZoneState zs = nvme_get_zone_state(zone); 337388eea45cSKlaus Jensen bool proc_zone; 337488eea45cSKlaus Jensen 337588eea45cSKlaus Jensen switch (zs) { 337688eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 337788eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 337888eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_OPENED_ZONES; 337988eea45cSKlaus Jensen break; 338088eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 338188eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_CLOSED_ZONES; 338288eea45cSKlaus Jensen break; 338388eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 338488eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_READ_ONLY_ZONES; 338588eea45cSKlaus Jensen break; 338688eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 338788eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_FULL_ZONES; 338888eea45cSKlaus Jensen break; 338988eea45cSKlaus Jensen default: 339088eea45cSKlaus Jensen proc_zone = false; 339188eea45cSKlaus Jensen } 339288eea45cSKlaus Jensen 339388eea45cSKlaus Jensen if (proc_zone) { 339488eea45cSKlaus Jensen status = op_hndlr(ns, zone, zs, req); 339588eea45cSKlaus Jensen } 339688eea45cSKlaus Jensen 339788eea45cSKlaus Jensen return status; 339888eea45cSKlaus Jensen } 339988eea45cSKlaus Jensen 340088eea45cSKlaus Jensen static uint16_t nvme_do_zone_op(NvmeNamespace *ns, NvmeZone *zone, 340188eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask, 340288eea45cSKlaus Jensen op_handler_t op_hndlr, NvmeRequest *req) 340388eea45cSKlaus Jensen { 340488eea45cSKlaus Jensen NvmeZone *next; 340588eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 340688eea45cSKlaus Jensen int i; 340788eea45cSKlaus Jensen 340888eea45cSKlaus Jensen if (!proc_mask) { 340988eea45cSKlaus Jensen status = op_hndlr(ns, zone, nvme_get_zone_state(zone), req); 341088eea45cSKlaus Jensen } else { 341188eea45cSKlaus Jensen if (proc_mask & NVME_PROC_CLOSED_ZONES) { 341288eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->closed_zones, entry, next) { 341388eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 341488eea45cSKlaus Jensen req); 341588eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 341688eea45cSKlaus Jensen goto out; 341788eea45cSKlaus Jensen } 341888eea45cSKlaus Jensen } 341988eea45cSKlaus Jensen } 342088eea45cSKlaus Jensen if (proc_mask & NVME_PROC_OPENED_ZONES) { 342188eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->imp_open_zones, entry, next) { 342288eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 342388eea45cSKlaus Jensen req); 342488eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 342588eea45cSKlaus Jensen goto out; 342688eea45cSKlaus Jensen } 342788eea45cSKlaus Jensen } 342888eea45cSKlaus Jensen 342988eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->exp_open_zones, entry, next) { 343088eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 343188eea45cSKlaus Jensen req); 343288eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 343388eea45cSKlaus Jensen goto out; 343488eea45cSKlaus Jensen } 343588eea45cSKlaus Jensen } 343688eea45cSKlaus Jensen } 343788eea45cSKlaus Jensen if (proc_mask & NVME_PROC_FULL_ZONES) { 343888eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->full_zones, entry, next) { 343988eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 344088eea45cSKlaus Jensen req); 344188eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 344288eea45cSKlaus Jensen goto out; 344388eea45cSKlaus Jensen } 344488eea45cSKlaus Jensen } 344588eea45cSKlaus Jensen } 344688eea45cSKlaus Jensen 344788eea45cSKlaus Jensen if (proc_mask & NVME_PROC_READ_ONLY_ZONES) { 344888eea45cSKlaus Jensen for (i = 0; i < ns->num_zones; i++, zone++) { 344988eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 345088eea45cSKlaus Jensen req); 345188eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 345288eea45cSKlaus Jensen goto out; 345388eea45cSKlaus Jensen } 345488eea45cSKlaus Jensen } 345588eea45cSKlaus Jensen } 345688eea45cSKlaus Jensen } 345788eea45cSKlaus Jensen 345888eea45cSKlaus Jensen out: 345988eea45cSKlaus Jensen return status; 346088eea45cSKlaus Jensen } 346188eea45cSKlaus Jensen 346263d96e4fSKlaus Jensen typedef struct NvmeZoneResetAIOCB { 346363d96e4fSKlaus Jensen BlockAIOCB common; 346463d96e4fSKlaus Jensen BlockAIOCB *aiocb; 346563d96e4fSKlaus Jensen NvmeRequest *req; 346663d96e4fSKlaus Jensen QEMUBH *bh; 346763d96e4fSKlaus Jensen int ret; 346863d96e4fSKlaus Jensen 346963d96e4fSKlaus Jensen bool all; 347063d96e4fSKlaus Jensen int idx; 347163d96e4fSKlaus Jensen NvmeZone *zone; 347263d96e4fSKlaus Jensen } NvmeZoneResetAIOCB; 347363d96e4fSKlaus Jensen 347463d96e4fSKlaus Jensen static void nvme_zone_reset_cancel(BlockAIOCB *aiocb) 347563d96e4fSKlaus Jensen { 347663d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = container_of(aiocb, NvmeZoneResetAIOCB, common); 347763d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 347863d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 347963d96e4fSKlaus Jensen 348063d96e4fSKlaus Jensen iocb->idx = ns->num_zones; 348163d96e4fSKlaus Jensen 348263d96e4fSKlaus Jensen iocb->ret = -ECANCELED; 348363d96e4fSKlaus Jensen 348463d96e4fSKlaus Jensen if (iocb->aiocb) { 348563d96e4fSKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 348663d96e4fSKlaus Jensen iocb->aiocb = NULL; 348763d96e4fSKlaus Jensen } 348863d96e4fSKlaus Jensen } 348963d96e4fSKlaus Jensen 349063d96e4fSKlaus Jensen static const AIOCBInfo nvme_zone_reset_aiocb_info = { 349163d96e4fSKlaus Jensen .aiocb_size = sizeof(NvmeZoneResetAIOCB), 349263d96e4fSKlaus Jensen .cancel_async = nvme_zone_reset_cancel, 349363d96e4fSKlaus Jensen }; 349463d96e4fSKlaus Jensen 349563d96e4fSKlaus Jensen static void nvme_zone_reset_bh(void *opaque) 349663d96e4fSKlaus Jensen { 349763d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 349863d96e4fSKlaus Jensen 349963d96e4fSKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 350063d96e4fSKlaus Jensen 350163d96e4fSKlaus Jensen qemu_bh_delete(iocb->bh); 350263d96e4fSKlaus Jensen iocb->bh = NULL; 350363d96e4fSKlaus Jensen qemu_aio_unref(iocb); 350463d96e4fSKlaus Jensen } 350563d96e4fSKlaus Jensen 350663d96e4fSKlaus Jensen static void nvme_zone_reset_cb(void *opaque, int ret); 350763d96e4fSKlaus Jensen 350863d96e4fSKlaus Jensen static void nvme_zone_reset_epilogue_cb(void *opaque, int ret) 350963d96e4fSKlaus Jensen { 351063d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 351163d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 351263d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 351363d96e4fSKlaus Jensen int64_t moff; 351463d96e4fSKlaus Jensen int count; 351563d96e4fSKlaus Jensen 351663d96e4fSKlaus Jensen if (ret < 0) { 351763d96e4fSKlaus Jensen nvme_zone_reset_cb(iocb, ret); 351863d96e4fSKlaus Jensen return; 351963d96e4fSKlaus Jensen } 352063d96e4fSKlaus Jensen 352163d96e4fSKlaus Jensen if (!ns->lbaf.ms) { 352263d96e4fSKlaus Jensen nvme_zone_reset_cb(iocb, 0); 352363d96e4fSKlaus Jensen return; 352463d96e4fSKlaus Jensen } 352563d96e4fSKlaus Jensen 352663d96e4fSKlaus Jensen moff = nvme_moff(ns, iocb->zone->d.zslba); 352763d96e4fSKlaus Jensen count = nvme_m2b(ns, ns->zone_size); 352863d96e4fSKlaus Jensen 352963d96e4fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, moff, count, 353063d96e4fSKlaus Jensen BDRV_REQ_MAY_UNMAP, 353163d96e4fSKlaus Jensen nvme_zone_reset_cb, iocb); 353263d96e4fSKlaus Jensen return; 353363d96e4fSKlaus Jensen } 353463d96e4fSKlaus Jensen 353563d96e4fSKlaus Jensen static void nvme_zone_reset_cb(void *opaque, int ret) 353663d96e4fSKlaus Jensen { 353763d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 353863d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 353963d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 354063d96e4fSKlaus Jensen 354163d96e4fSKlaus Jensen if (ret < 0) { 354263d96e4fSKlaus Jensen iocb->ret = ret; 354363d96e4fSKlaus Jensen goto done; 354463d96e4fSKlaus Jensen } 354563d96e4fSKlaus Jensen 354663d96e4fSKlaus Jensen if (iocb->zone) { 354763d96e4fSKlaus Jensen nvme_zrm_reset(ns, iocb->zone); 354863d96e4fSKlaus Jensen 354963d96e4fSKlaus Jensen if (!iocb->all) { 355063d96e4fSKlaus Jensen goto done; 355163d96e4fSKlaus Jensen } 355263d96e4fSKlaus Jensen } 355363d96e4fSKlaus Jensen 355463d96e4fSKlaus Jensen while (iocb->idx < ns->num_zones) { 355563d96e4fSKlaus Jensen NvmeZone *zone = &ns->zone_array[iocb->idx++]; 355663d96e4fSKlaus Jensen 355763d96e4fSKlaus Jensen switch (nvme_get_zone_state(zone)) { 355863d96e4fSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 355963d96e4fSKlaus Jensen if (!iocb->all) { 356063d96e4fSKlaus Jensen goto done; 356163d96e4fSKlaus Jensen } 356263d96e4fSKlaus Jensen 356363d96e4fSKlaus Jensen continue; 356463d96e4fSKlaus Jensen 356563d96e4fSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 356663d96e4fSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 356763d96e4fSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 356863d96e4fSKlaus Jensen case NVME_ZONE_STATE_FULL: 356963d96e4fSKlaus Jensen iocb->zone = zone; 357063d96e4fSKlaus Jensen break; 357163d96e4fSKlaus Jensen 357263d96e4fSKlaus Jensen default: 357363d96e4fSKlaus Jensen continue; 357463d96e4fSKlaus Jensen } 357563d96e4fSKlaus Jensen 357663d96e4fSKlaus Jensen trace_pci_nvme_zns_zone_reset(zone->d.zslba); 357763d96e4fSKlaus Jensen 357863d96e4fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, 357963d96e4fSKlaus Jensen nvme_l2b(ns, zone->d.zslba), 358063d96e4fSKlaus Jensen nvme_l2b(ns, ns->zone_size), 358163d96e4fSKlaus Jensen BDRV_REQ_MAY_UNMAP, 358263d96e4fSKlaus Jensen nvme_zone_reset_epilogue_cb, 358363d96e4fSKlaus Jensen iocb); 358463d96e4fSKlaus Jensen return; 358563d96e4fSKlaus Jensen } 358663d96e4fSKlaus Jensen 358763d96e4fSKlaus Jensen done: 358863d96e4fSKlaus Jensen iocb->aiocb = NULL; 358963d96e4fSKlaus Jensen if (iocb->bh) { 359063d96e4fSKlaus Jensen qemu_bh_schedule(iocb->bh); 359163d96e4fSKlaus Jensen } 359263d96e4fSKlaus Jensen } 359363d96e4fSKlaus Jensen 359488eea45cSKlaus Jensen static uint16_t nvme_zone_mgmt_send(NvmeCtrl *n, NvmeRequest *req) 359588eea45cSKlaus Jensen { 359688eea45cSKlaus Jensen NvmeCmd *cmd = (NvmeCmd *)&req->cmd; 359788eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 359888eea45cSKlaus Jensen NvmeZone *zone; 359963d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb; 360088eea45cSKlaus Jensen uint8_t *zd_ext; 360188eea45cSKlaus Jensen uint32_t dw13 = le32_to_cpu(cmd->cdw13); 360288eea45cSKlaus Jensen uint64_t slba = 0; 360388eea45cSKlaus Jensen uint32_t zone_idx = 0; 360488eea45cSKlaus Jensen uint16_t status; 360588eea45cSKlaus Jensen uint8_t action; 360688eea45cSKlaus Jensen bool all; 360788eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask = NVME_PROC_CURRENT_ZONE; 360888eea45cSKlaus Jensen 360988eea45cSKlaus Jensen action = dw13 & 0xff; 361063d96e4fSKlaus Jensen all = !!(dw13 & 0x100); 361188eea45cSKlaus Jensen 361288eea45cSKlaus Jensen req->status = NVME_SUCCESS; 361388eea45cSKlaus Jensen 361488eea45cSKlaus Jensen if (!all) { 361588eea45cSKlaus Jensen status = nvme_get_mgmt_zone_slba_idx(ns, cmd, &slba, &zone_idx); 361688eea45cSKlaus Jensen if (status) { 361788eea45cSKlaus Jensen return status; 361888eea45cSKlaus Jensen } 361988eea45cSKlaus Jensen } 362088eea45cSKlaus Jensen 362188eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 362288eea45cSKlaus Jensen if (slba != zone->d.zslba) { 362388eea45cSKlaus Jensen trace_pci_nvme_err_unaligned_zone_cmd(action, slba, zone->d.zslba); 362488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 362588eea45cSKlaus Jensen } 362688eea45cSKlaus Jensen 362788eea45cSKlaus Jensen switch (action) { 362888eea45cSKlaus Jensen 362988eea45cSKlaus Jensen case NVME_ZONE_ACTION_OPEN: 363088eea45cSKlaus Jensen if (all) { 363188eea45cSKlaus Jensen proc_mask = NVME_PROC_CLOSED_ZONES; 363288eea45cSKlaus Jensen } 363388eea45cSKlaus Jensen trace_pci_nvme_open_zone(slba, zone_idx, all); 363488eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_open_zone, req); 363588eea45cSKlaus Jensen break; 363688eea45cSKlaus Jensen 363788eea45cSKlaus Jensen case NVME_ZONE_ACTION_CLOSE: 363888eea45cSKlaus Jensen if (all) { 363988eea45cSKlaus Jensen proc_mask = NVME_PROC_OPENED_ZONES; 364088eea45cSKlaus Jensen } 364188eea45cSKlaus Jensen trace_pci_nvme_close_zone(slba, zone_idx, all); 364288eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_close_zone, req); 364388eea45cSKlaus Jensen break; 364488eea45cSKlaus Jensen 364588eea45cSKlaus Jensen case NVME_ZONE_ACTION_FINISH: 364688eea45cSKlaus Jensen if (all) { 364788eea45cSKlaus Jensen proc_mask = NVME_PROC_OPENED_ZONES | NVME_PROC_CLOSED_ZONES; 364888eea45cSKlaus Jensen } 364988eea45cSKlaus Jensen trace_pci_nvme_finish_zone(slba, zone_idx, all); 365088eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_finish_zone, req); 365188eea45cSKlaus Jensen break; 365288eea45cSKlaus Jensen 365388eea45cSKlaus Jensen case NVME_ZONE_ACTION_RESET: 365488eea45cSKlaus Jensen trace_pci_nvme_reset_zone(slba, zone_idx, all); 365588eea45cSKlaus Jensen 365663d96e4fSKlaus Jensen iocb = blk_aio_get(&nvme_zone_reset_aiocb_info, ns->blkconf.blk, 365763d96e4fSKlaus Jensen nvme_misc_cb, req); 365888eea45cSKlaus Jensen 365963d96e4fSKlaus Jensen iocb->req = req; 366063d96e4fSKlaus Jensen iocb->bh = qemu_bh_new(nvme_zone_reset_bh, iocb); 366163d96e4fSKlaus Jensen iocb->ret = 0; 366263d96e4fSKlaus Jensen iocb->all = all; 366363d96e4fSKlaus Jensen iocb->idx = zone_idx; 366463d96e4fSKlaus Jensen iocb->zone = NULL; 366588eea45cSKlaus Jensen 366663d96e4fSKlaus Jensen req->aiocb = &iocb->common; 366763d96e4fSKlaus Jensen nvme_zone_reset_cb(iocb, 0); 366888eea45cSKlaus Jensen 366963d96e4fSKlaus Jensen return NVME_NO_COMPLETE; 367088eea45cSKlaus Jensen 367188eea45cSKlaus Jensen case NVME_ZONE_ACTION_OFFLINE: 367288eea45cSKlaus Jensen if (all) { 367388eea45cSKlaus Jensen proc_mask = NVME_PROC_READ_ONLY_ZONES; 367488eea45cSKlaus Jensen } 367588eea45cSKlaus Jensen trace_pci_nvme_offline_zone(slba, zone_idx, all); 367688eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_offline_zone, req); 367788eea45cSKlaus Jensen break; 367888eea45cSKlaus Jensen 367988eea45cSKlaus Jensen case NVME_ZONE_ACTION_SET_ZD_EXT: 368088eea45cSKlaus Jensen trace_pci_nvme_set_descriptor_extension(slba, zone_idx); 368188eea45cSKlaus Jensen if (all || !ns->params.zd_extension_size) { 368288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 368388eea45cSKlaus Jensen } 368488eea45cSKlaus Jensen zd_ext = nvme_get_zd_extension(ns, zone_idx); 368588eea45cSKlaus Jensen status = nvme_h2c(n, zd_ext, ns->params.zd_extension_size, req); 368688eea45cSKlaus Jensen if (status) { 368788eea45cSKlaus Jensen trace_pci_nvme_err_zd_extension_map_error(zone_idx); 368888eea45cSKlaus Jensen return status; 368988eea45cSKlaus Jensen } 369088eea45cSKlaus Jensen 369188eea45cSKlaus Jensen status = nvme_set_zd_ext(ns, zone); 369288eea45cSKlaus Jensen if (status == NVME_SUCCESS) { 369388eea45cSKlaus Jensen trace_pci_nvme_zd_extension_set(zone_idx); 369488eea45cSKlaus Jensen return status; 369588eea45cSKlaus Jensen } 369688eea45cSKlaus Jensen break; 369788eea45cSKlaus Jensen 369888eea45cSKlaus Jensen default: 369988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_mgmt_action(action); 370088eea45cSKlaus Jensen status = NVME_INVALID_FIELD; 370188eea45cSKlaus Jensen } 370288eea45cSKlaus Jensen 370388eea45cSKlaus Jensen if (status == NVME_ZONE_INVAL_TRANSITION) { 370488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_zone_state_transition(action, slba, 370588eea45cSKlaus Jensen zone->d.za); 370688eea45cSKlaus Jensen } 370788eea45cSKlaus Jensen if (status) { 370888eea45cSKlaus Jensen status |= NVME_DNR; 370988eea45cSKlaus Jensen } 371088eea45cSKlaus Jensen 371188eea45cSKlaus Jensen return status; 371288eea45cSKlaus Jensen } 371388eea45cSKlaus Jensen 371488eea45cSKlaus Jensen static bool nvme_zone_matches_filter(uint32_t zafs, NvmeZone *zl) 371588eea45cSKlaus Jensen { 371688eea45cSKlaus Jensen NvmeZoneState zs = nvme_get_zone_state(zl); 371788eea45cSKlaus Jensen 371888eea45cSKlaus Jensen switch (zafs) { 371988eea45cSKlaus Jensen case NVME_ZONE_REPORT_ALL: 372088eea45cSKlaus Jensen return true; 372188eea45cSKlaus Jensen case NVME_ZONE_REPORT_EMPTY: 372288eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_EMPTY; 372388eea45cSKlaus Jensen case NVME_ZONE_REPORT_IMPLICITLY_OPEN: 372488eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_IMPLICITLY_OPEN; 372588eea45cSKlaus Jensen case NVME_ZONE_REPORT_EXPLICITLY_OPEN: 372688eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_EXPLICITLY_OPEN; 372788eea45cSKlaus Jensen case NVME_ZONE_REPORT_CLOSED: 372888eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_CLOSED; 372988eea45cSKlaus Jensen case NVME_ZONE_REPORT_FULL: 373088eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_FULL; 373188eea45cSKlaus Jensen case NVME_ZONE_REPORT_READ_ONLY: 373288eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_READ_ONLY; 373388eea45cSKlaus Jensen case NVME_ZONE_REPORT_OFFLINE: 373488eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_OFFLINE; 373588eea45cSKlaus Jensen default: 373688eea45cSKlaus Jensen return false; 373788eea45cSKlaus Jensen } 373888eea45cSKlaus Jensen } 373988eea45cSKlaus Jensen 374088eea45cSKlaus Jensen static uint16_t nvme_zone_mgmt_recv(NvmeCtrl *n, NvmeRequest *req) 374188eea45cSKlaus Jensen { 374288eea45cSKlaus Jensen NvmeCmd *cmd = (NvmeCmd *)&req->cmd; 374388eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 374488eea45cSKlaus Jensen /* cdw12 is zero-based number of dwords to return. Convert to bytes */ 374588eea45cSKlaus Jensen uint32_t data_size = (le32_to_cpu(cmd->cdw12) + 1) << 2; 374688eea45cSKlaus Jensen uint32_t dw13 = le32_to_cpu(cmd->cdw13); 374788eea45cSKlaus Jensen uint32_t zone_idx, zra, zrasf, partial; 374888eea45cSKlaus Jensen uint64_t max_zones, nr_zones = 0; 374988eea45cSKlaus Jensen uint16_t status; 375088eea45cSKlaus Jensen uint64_t slba; 375188eea45cSKlaus Jensen NvmeZoneDescr *z; 375288eea45cSKlaus Jensen NvmeZone *zone; 375388eea45cSKlaus Jensen NvmeZoneReportHeader *header; 375488eea45cSKlaus Jensen void *buf, *buf_p; 375588eea45cSKlaus Jensen size_t zone_entry_sz; 375688eea45cSKlaus Jensen int i; 375788eea45cSKlaus Jensen 375888eea45cSKlaus Jensen req->status = NVME_SUCCESS; 375988eea45cSKlaus Jensen 376088eea45cSKlaus Jensen status = nvme_get_mgmt_zone_slba_idx(ns, cmd, &slba, &zone_idx); 376188eea45cSKlaus Jensen if (status) { 376288eea45cSKlaus Jensen return status; 376388eea45cSKlaus Jensen } 376488eea45cSKlaus Jensen 376588eea45cSKlaus Jensen zra = dw13 & 0xff; 376688eea45cSKlaus Jensen if (zra != NVME_ZONE_REPORT && zra != NVME_ZONE_REPORT_EXTENDED) { 376788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 376888eea45cSKlaus Jensen } 376988eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED && !ns->params.zd_extension_size) { 377088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 377188eea45cSKlaus Jensen } 377288eea45cSKlaus Jensen 377388eea45cSKlaus Jensen zrasf = (dw13 >> 8) & 0xff; 377488eea45cSKlaus Jensen if (zrasf > NVME_ZONE_REPORT_OFFLINE) { 377588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 377688eea45cSKlaus Jensen } 377788eea45cSKlaus Jensen 377888eea45cSKlaus Jensen if (data_size < sizeof(NvmeZoneReportHeader)) { 377988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 378088eea45cSKlaus Jensen } 378188eea45cSKlaus Jensen 378288eea45cSKlaus Jensen status = nvme_check_mdts(n, data_size); 378388eea45cSKlaus Jensen if (status) { 378488eea45cSKlaus Jensen return status; 378588eea45cSKlaus Jensen } 378688eea45cSKlaus Jensen 378788eea45cSKlaus Jensen partial = (dw13 >> 16) & 0x01; 378888eea45cSKlaus Jensen 378988eea45cSKlaus Jensen zone_entry_sz = sizeof(NvmeZoneDescr); 379088eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED) { 379188eea45cSKlaus Jensen zone_entry_sz += ns->params.zd_extension_size; 379288eea45cSKlaus Jensen } 379388eea45cSKlaus Jensen 379488eea45cSKlaus Jensen max_zones = (data_size - sizeof(NvmeZoneReportHeader)) / zone_entry_sz; 379588eea45cSKlaus Jensen buf = g_malloc0(data_size); 379688eea45cSKlaus Jensen 379788eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 379888eea45cSKlaus Jensen for (i = zone_idx; i < ns->num_zones; i++) { 379988eea45cSKlaus Jensen if (partial && nr_zones >= max_zones) { 380088eea45cSKlaus Jensen break; 380188eea45cSKlaus Jensen } 380288eea45cSKlaus Jensen if (nvme_zone_matches_filter(zrasf, zone++)) { 380388eea45cSKlaus Jensen nr_zones++; 380488eea45cSKlaus Jensen } 380588eea45cSKlaus Jensen } 380688eea45cSKlaus Jensen header = (NvmeZoneReportHeader *)buf; 380788eea45cSKlaus Jensen header->nr_zones = cpu_to_le64(nr_zones); 380888eea45cSKlaus Jensen 380988eea45cSKlaus Jensen buf_p = buf + sizeof(NvmeZoneReportHeader); 381088eea45cSKlaus Jensen for (; zone_idx < ns->num_zones && max_zones > 0; zone_idx++) { 381188eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 381288eea45cSKlaus Jensen if (nvme_zone_matches_filter(zrasf, zone)) { 381388eea45cSKlaus Jensen z = (NvmeZoneDescr *)buf_p; 381488eea45cSKlaus Jensen buf_p += sizeof(NvmeZoneDescr); 381588eea45cSKlaus Jensen 381688eea45cSKlaus Jensen z->zt = zone->d.zt; 381788eea45cSKlaus Jensen z->zs = zone->d.zs; 381888eea45cSKlaus Jensen z->zcap = cpu_to_le64(zone->d.zcap); 381988eea45cSKlaus Jensen z->zslba = cpu_to_le64(zone->d.zslba); 382088eea45cSKlaus Jensen z->za = zone->d.za; 382188eea45cSKlaus Jensen 382288eea45cSKlaus Jensen if (nvme_wp_is_valid(zone)) { 382388eea45cSKlaus Jensen z->wp = cpu_to_le64(zone->d.wp); 382488eea45cSKlaus Jensen } else { 382588eea45cSKlaus Jensen z->wp = cpu_to_le64(~0ULL); 382688eea45cSKlaus Jensen } 382788eea45cSKlaus Jensen 382888eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED) { 382988eea45cSKlaus Jensen if (zone->d.za & NVME_ZA_ZD_EXT_VALID) { 383088eea45cSKlaus Jensen memcpy(buf_p, nvme_get_zd_extension(ns, zone_idx), 383188eea45cSKlaus Jensen ns->params.zd_extension_size); 383288eea45cSKlaus Jensen } 383388eea45cSKlaus Jensen buf_p += ns->params.zd_extension_size; 383488eea45cSKlaus Jensen } 383588eea45cSKlaus Jensen 383688eea45cSKlaus Jensen max_zones--; 383788eea45cSKlaus Jensen } 383888eea45cSKlaus Jensen } 383988eea45cSKlaus Jensen 384088eea45cSKlaus Jensen status = nvme_c2h(n, (uint8_t *)buf, data_size, req); 384188eea45cSKlaus Jensen 384288eea45cSKlaus Jensen g_free(buf); 384388eea45cSKlaus Jensen 384488eea45cSKlaus Jensen return status; 384588eea45cSKlaus Jensen } 384688eea45cSKlaus Jensen 384788eea45cSKlaus Jensen static uint16_t nvme_io_cmd(NvmeCtrl *n, NvmeRequest *req) 384888eea45cSKlaus Jensen { 384988eea45cSKlaus Jensen NvmeNamespace *ns; 385088eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 385188eea45cSKlaus Jensen 385288eea45cSKlaus Jensen trace_pci_nvme_io_cmd(nvme_cid(req), nsid, nvme_sqid(req), 385388eea45cSKlaus Jensen req->cmd.opcode, nvme_io_opc_str(req->cmd.opcode)); 385488eea45cSKlaus Jensen 385588eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 385688eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 385788eea45cSKlaus Jensen } 385888eea45cSKlaus Jensen 385988eea45cSKlaus Jensen /* 386088eea45cSKlaus Jensen * In the base NVM command set, Flush may apply to all namespaces 386188eea45cSKlaus Jensen * (indicated by NSID being set to FFFFFFFFh). But if that feature is used 386288eea45cSKlaus Jensen * along with TP 4056 (Namespace Types), it may be pretty screwed up. 386388eea45cSKlaus Jensen * 386488eea45cSKlaus Jensen * If NSID is indeed set to FFFFFFFFh, we simply cannot associate the 386588eea45cSKlaus Jensen * opcode with a specific command since we cannot determine a unique I/O 386688eea45cSKlaus Jensen * command set. Opcode 0h could have any other meaning than something 386788eea45cSKlaus Jensen * equivalent to flushing and say it DOES have completely different 386888eea45cSKlaus Jensen * semantics in some other command set - does an NSID of FFFFFFFFh then 386988eea45cSKlaus Jensen * mean "for all namespaces, apply whatever command set specific command 387088eea45cSKlaus Jensen * that uses the 0h opcode?" Or does it mean "for all namespaces, apply 387188eea45cSKlaus Jensen * whatever command that uses the 0h opcode if, and only if, it allows NSID 387288eea45cSKlaus Jensen * to be FFFFFFFFh"? 387388eea45cSKlaus Jensen * 387488eea45cSKlaus Jensen * Anyway (and luckily), for now, we do not care about this since the 387588eea45cSKlaus Jensen * device only supports namespace types that includes the NVM Flush command 387688eea45cSKlaus Jensen * (NVM and Zoned), so always do an NVM Flush. 387788eea45cSKlaus Jensen */ 387888eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_FLUSH) { 387988eea45cSKlaus Jensen return nvme_flush(n, req); 388088eea45cSKlaus Jensen } 388188eea45cSKlaus Jensen 388288eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 388388eea45cSKlaus Jensen if (unlikely(!ns)) { 388488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 388588eea45cSKlaus Jensen } 388688eea45cSKlaus Jensen 388788eea45cSKlaus Jensen if (!(ns->iocs[req->cmd.opcode] & NVME_CMD_EFF_CSUPP)) { 388888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_opc(req->cmd.opcode); 388988eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 389088eea45cSKlaus Jensen } 389188eea45cSKlaus Jensen 389288eea45cSKlaus Jensen if (ns->status) { 389388eea45cSKlaus Jensen return ns->status; 389488eea45cSKlaus Jensen } 389588eea45cSKlaus Jensen 3896*c53a9a91SPankaj Raghav if (NVME_CMD_FLAGS_FUSE(req->cmd.flags)) { 3897*c53a9a91SPankaj Raghav return NVME_INVALID_FIELD; 3898*c53a9a91SPankaj Raghav } 3899*c53a9a91SPankaj Raghav 390088eea45cSKlaus Jensen req->ns = ns; 390188eea45cSKlaus Jensen 390288eea45cSKlaus Jensen switch (req->cmd.opcode) { 390388eea45cSKlaus Jensen case NVME_CMD_WRITE_ZEROES: 390488eea45cSKlaus Jensen return nvme_write_zeroes(n, req); 390588eea45cSKlaus Jensen case NVME_CMD_ZONE_APPEND: 390688eea45cSKlaus Jensen return nvme_zone_append(n, req); 390788eea45cSKlaus Jensen case NVME_CMD_WRITE: 390888eea45cSKlaus Jensen return nvme_write(n, req); 390988eea45cSKlaus Jensen case NVME_CMD_READ: 391088eea45cSKlaus Jensen return nvme_read(n, req); 391188eea45cSKlaus Jensen case NVME_CMD_COMPARE: 391288eea45cSKlaus Jensen return nvme_compare(n, req); 391388eea45cSKlaus Jensen case NVME_CMD_DSM: 391488eea45cSKlaus Jensen return nvme_dsm(n, req); 391588eea45cSKlaus Jensen case NVME_CMD_VERIFY: 391688eea45cSKlaus Jensen return nvme_verify(n, req); 391788eea45cSKlaus Jensen case NVME_CMD_COPY: 391888eea45cSKlaus Jensen return nvme_copy(n, req); 391988eea45cSKlaus Jensen case NVME_CMD_ZONE_MGMT_SEND: 392088eea45cSKlaus Jensen return nvme_zone_mgmt_send(n, req); 392188eea45cSKlaus Jensen case NVME_CMD_ZONE_MGMT_RECV: 392288eea45cSKlaus Jensen return nvme_zone_mgmt_recv(n, req); 392388eea45cSKlaus Jensen default: 392488eea45cSKlaus Jensen assert(false); 392588eea45cSKlaus Jensen } 392688eea45cSKlaus Jensen 392788eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 392888eea45cSKlaus Jensen } 392988eea45cSKlaus Jensen 393088eea45cSKlaus Jensen static void nvme_free_sq(NvmeSQueue *sq, NvmeCtrl *n) 393188eea45cSKlaus Jensen { 393288eea45cSKlaus Jensen n->sq[sq->sqid] = NULL; 393388eea45cSKlaus Jensen timer_free(sq->timer); 393488eea45cSKlaus Jensen g_free(sq->io_req); 393588eea45cSKlaus Jensen if (sq->sqid) { 393688eea45cSKlaus Jensen g_free(sq); 393788eea45cSKlaus Jensen } 393888eea45cSKlaus Jensen } 393988eea45cSKlaus Jensen 394088eea45cSKlaus Jensen static uint16_t nvme_del_sq(NvmeCtrl *n, NvmeRequest *req) 394188eea45cSKlaus Jensen { 394288eea45cSKlaus Jensen NvmeDeleteQ *c = (NvmeDeleteQ *)&req->cmd; 394388eea45cSKlaus Jensen NvmeRequest *r, *next; 394488eea45cSKlaus Jensen NvmeSQueue *sq; 394588eea45cSKlaus Jensen NvmeCQueue *cq; 394688eea45cSKlaus Jensen uint16_t qid = le16_to_cpu(c->qid); 394788eea45cSKlaus Jensen 394888eea45cSKlaus Jensen if (unlikely(!qid || nvme_check_sqid(n, qid))) { 394988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_sq(qid); 395088eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 395188eea45cSKlaus Jensen } 395288eea45cSKlaus Jensen 395388eea45cSKlaus Jensen trace_pci_nvme_del_sq(qid); 395488eea45cSKlaus Jensen 395588eea45cSKlaus Jensen sq = n->sq[qid]; 395688eea45cSKlaus Jensen while (!QTAILQ_EMPTY(&sq->out_req_list)) { 395788eea45cSKlaus Jensen r = QTAILQ_FIRST(&sq->out_req_list); 3958e76fb260SKlaus Jensen assert(r->aiocb); 395988eea45cSKlaus Jensen blk_aio_cancel(r->aiocb); 396088eea45cSKlaus Jensen } 396188eea45cSKlaus Jensen 396288eea45cSKlaus Jensen assert(QTAILQ_EMPTY(&sq->out_req_list)); 396388eea45cSKlaus Jensen 396488eea45cSKlaus Jensen if (!nvme_check_cqid(n, sq->cqid)) { 396588eea45cSKlaus Jensen cq = n->cq[sq->cqid]; 396688eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->sq_list, sq, entry); 396788eea45cSKlaus Jensen 396888eea45cSKlaus Jensen nvme_post_cqes(cq); 396988eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(r, &cq->req_list, entry, next) { 397088eea45cSKlaus Jensen if (r->sq == sq) { 397188eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->req_list, r, entry); 397288eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->req_list, r, entry); 397388eea45cSKlaus Jensen } 397488eea45cSKlaus Jensen } 397588eea45cSKlaus Jensen } 397688eea45cSKlaus Jensen 397788eea45cSKlaus Jensen nvme_free_sq(sq, n); 397888eea45cSKlaus Jensen return NVME_SUCCESS; 397988eea45cSKlaus Jensen } 398088eea45cSKlaus Jensen 398188eea45cSKlaus Jensen static void nvme_init_sq(NvmeSQueue *sq, NvmeCtrl *n, uint64_t dma_addr, 398288eea45cSKlaus Jensen uint16_t sqid, uint16_t cqid, uint16_t size) 398388eea45cSKlaus Jensen { 398488eea45cSKlaus Jensen int i; 398588eea45cSKlaus Jensen NvmeCQueue *cq; 398688eea45cSKlaus Jensen 398788eea45cSKlaus Jensen sq->ctrl = n; 398888eea45cSKlaus Jensen sq->dma_addr = dma_addr; 398988eea45cSKlaus Jensen sq->sqid = sqid; 399088eea45cSKlaus Jensen sq->size = size; 399188eea45cSKlaus Jensen sq->cqid = cqid; 399288eea45cSKlaus Jensen sq->head = sq->tail = 0; 399388eea45cSKlaus Jensen sq->io_req = g_new0(NvmeRequest, sq->size); 399488eea45cSKlaus Jensen 399588eea45cSKlaus Jensen QTAILQ_INIT(&sq->req_list); 399688eea45cSKlaus Jensen QTAILQ_INIT(&sq->out_req_list); 399788eea45cSKlaus Jensen for (i = 0; i < sq->size; i++) { 399888eea45cSKlaus Jensen sq->io_req[i].sq = sq; 399988eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&(sq->req_list), &sq->io_req[i], entry); 400088eea45cSKlaus Jensen } 400188eea45cSKlaus Jensen sq->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, nvme_process_sq, sq); 400288eea45cSKlaus Jensen 400388eea45cSKlaus Jensen assert(n->cq[cqid]); 400488eea45cSKlaus Jensen cq = n->cq[cqid]; 400588eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&(cq->sq_list), sq, entry); 400688eea45cSKlaus Jensen n->sq[sqid] = sq; 400788eea45cSKlaus Jensen } 400888eea45cSKlaus Jensen 400988eea45cSKlaus Jensen static uint16_t nvme_create_sq(NvmeCtrl *n, NvmeRequest *req) 401088eea45cSKlaus Jensen { 401188eea45cSKlaus Jensen NvmeSQueue *sq; 401288eea45cSKlaus Jensen NvmeCreateSq *c = (NvmeCreateSq *)&req->cmd; 401388eea45cSKlaus Jensen 401488eea45cSKlaus Jensen uint16_t cqid = le16_to_cpu(c->cqid); 401588eea45cSKlaus Jensen uint16_t sqid = le16_to_cpu(c->sqid); 401688eea45cSKlaus Jensen uint16_t qsize = le16_to_cpu(c->qsize); 401788eea45cSKlaus Jensen uint16_t qflags = le16_to_cpu(c->sq_flags); 401888eea45cSKlaus Jensen uint64_t prp1 = le64_to_cpu(c->prp1); 401988eea45cSKlaus Jensen 402088eea45cSKlaus Jensen trace_pci_nvme_create_sq(prp1, sqid, cqid, qsize, qflags); 402188eea45cSKlaus Jensen 402288eea45cSKlaus Jensen if (unlikely(!cqid || nvme_check_cqid(n, cqid))) { 402388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_cqid(cqid); 402488eea45cSKlaus Jensen return NVME_INVALID_CQID | NVME_DNR; 402588eea45cSKlaus Jensen } 402688eea45cSKlaus Jensen if (unlikely(!sqid || sqid > n->params.max_ioqpairs || 402788eea45cSKlaus Jensen n->sq[sqid] != NULL)) { 402888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_sqid(sqid); 402988eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 403088eea45cSKlaus Jensen } 403149e03457SKlaus Jensen if (unlikely(!qsize || qsize > NVME_CAP_MQES(ldq_le_p(&n->bar.cap)))) { 403288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_size(qsize); 403388eea45cSKlaus Jensen return NVME_MAX_QSIZE_EXCEEDED | NVME_DNR; 403488eea45cSKlaus Jensen } 403588eea45cSKlaus Jensen if (unlikely(prp1 & (n->page_size - 1))) { 403688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_addr(prp1); 403788eea45cSKlaus Jensen return NVME_INVALID_PRP_OFFSET | NVME_DNR; 403888eea45cSKlaus Jensen } 403988eea45cSKlaus Jensen if (unlikely(!(NVME_SQ_FLAGS_PC(qflags)))) { 404088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_qflags(NVME_SQ_FLAGS_PC(qflags)); 404188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 404288eea45cSKlaus Jensen } 404388eea45cSKlaus Jensen sq = g_malloc0(sizeof(*sq)); 404488eea45cSKlaus Jensen nvme_init_sq(sq, n, prp1, sqid, cqid, qsize + 1); 404588eea45cSKlaus Jensen return NVME_SUCCESS; 404688eea45cSKlaus Jensen } 404788eea45cSKlaus Jensen 404888eea45cSKlaus Jensen struct nvme_stats { 404988eea45cSKlaus Jensen uint64_t units_read; 405088eea45cSKlaus Jensen uint64_t units_written; 405188eea45cSKlaus Jensen uint64_t read_commands; 405288eea45cSKlaus Jensen uint64_t write_commands; 405388eea45cSKlaus Jensen }; 405488eea45cSKlaus Jensen 405588eea45cSKlaus Jensen static void nvme_set_blk_stats(NvmeNamespace *ns, struct nvme_stats *stats) 405688eea45cSKlaus Jensen { 405788eea45cSKlaus Jensen BlockAcctStats *s = blk_get_stats(ns->blkconf.blk); 405888eea45cSKlaus Jensen 405988eea45cSKlaus Jensen stats->units_read += s->nr_bytes[BLOCK_ACCT_READ] >> BDRV_SECTOR_BITS; 406088eea45cSKlaus Jensen stats->units_written += s->nr_bytes[BLOCK_ACCT_WRITE] >> BDRV_SECTOR_BITS; 406188eea45cSKlaus Jensen stats->read_commands += s->nr_ops[BLOCK_ACCT_READ]; 406288eea45cSKlaus Jensen stats->write_commands += s->nr_ops[BLOCK_ACCT_WRITE]; 406388eea45cSKlaus Jensen } 406488eea45cSKlaus Jensen 406588eea45cSKlaus Jensen static uint16_t nvme_smart_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 406688eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 406788eea45cSKlaus Jensen { 406888eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 406988eea45cSKlaus Jensen struct nvme_stats stats = { 0 }; 407088eea45cSKlaus Jensen NvmeSmartLog smart = { 0 }; 407188eea45cSKlaus Jensen uint32_t trans_len; 407288eea45cSKlaus Jensen NvmeNamespace *ns; 407388eea45cSKlaus Jensen time_t current_ms; 407488eea45cSKlaus Jensen 407588eea45cSKlaus Jensen if (off >= sizeof(smart)) { 407688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 407788eea45cSKlaus Jensen } 407888eea45cSKlaus Jensen 407988eea45cSKlaus Jensen if (nsid != 0xffffffff) { 408088eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 408188eea45cSKlaus Jensen if (!ns) { 408288eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 408388eea45cSKlaus Jensen } 408488eea45cSKlaus Jensen nvme_set_blk_stats(ns, &stats); 408588eea45cSKlaus Jensen } else { 408688eea45cSKlaus Jensen int i; 408788eea45cSKlaus Jensen 408888eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 408988eea45cSKlaus Jensen ns = nvme_ns(n, i); 409088eea45cSKlaus Jensen if (!ns) { 409188eea45cSKlaus Jensen continue; 409288eea45cSKlaus Jensen } 409388eea45cSKlaus Jensen nvme_set_blk_stats(ns, &stats); 409488eea45cSKlaus Jensen } 409588eea45cSKlaus Jensen } 409688eea45cSKlaus Jensen 409788eea45cSKlaus Jensen trans_len = MIN(sizeof(smart) - off, buf_len); 409888eea45cSKlaus Jensen smart.critical_warning = n->smart_critical_warning; 409988eea45cSKlaus Jensen 410088eea45cSKlaus Jensen smart.data_units_read[0] = cpu_to_le64(DIV_ROUND_UP(stats.units_read, 410188eea45cSKlaus Jensen 1000)); 410288eea45cSKlaus Jensen smart.data_units_written[0] = cpu_to_le64(DIV_ROUND_UP(stats.units_written, 410388eea45cSKlaus Jensen 1000)); 410488eea45cSKlaus Jensen smart.host_read_commands[0] = cpu_to_le64(stats.read_commands); 410588eea45cSKlaus Jensen smart.host_write_commands[0] = cpu_to_le64(stats.write_commands); 410688eea45cSKlaus Jensen 410788eea45cSKlaus Jensen smart.temperature = cpu_to_le16(n->temperature); 410888eea45cSKlaus Jensen 410988eea45cSKlaus Jensen if ((n->temperature >= n->features.temp_thresh_hi) || 411088eea45cSKlaus Jensen (n->temperature <= n->features.temp_thresh_low)) { 411188eea45cSKlaus Jensen smart.critical_warning |= NVME_SMART_TEMPERATURE; 411288eea45cSKlaus Jensen } 411388eea45cSKlaus Jensen 411488eea45cSKlaus Jensen current_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 411588eea45cSKlaus Jensen smart.power_on_hours[0] = 411688eea45cSKlaus Jensen cpu_to_le64((((current_ms - n->starttime_ms) / 1000) / 60) / 60); 411788eea45cSKlaus Jensen 411888eea45cSKlaus Jensen if (!rae) { 411988eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_SMART); 412088eea45cSKlaus Jensen } 412188eea45cSKlaus Jensen 412288eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *) &smart + off, trans_len, req); 412388eea45cSKlaus Jensen } 412488eea45cSKlaus Jensen 412588eea45cSKlaus Jensen static uint16_t nvme_fw_log_info(NvmeCtrl *n, uint32_t buf_len, uint64_t off, 412688eea45cSKlaus Jensen NvmeRequest *req) 412788eea45cSKlaus Jensen { 412888eea45cSKlaus Jensen uint32_t trans_len; 412988eea45cSKlaus Jensen NvmeFwSlotInfoLog fw_log = { 413088eea45cSKlaus Jensen .afi = 0x1, 413188eea45cSKlaus Jensen }; 413288eea45cSKlaus Jensen 413388eea45cSKlaus Jensen if (off >= sizeof(fw_log)) { 413488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 413588eea45cSKlaus Jensen } 413688eea45cSKlaus Jensen 413788eea45cSKlaus Jensen strpadcpy((char *)&fw_log.frs1, sizeof(fw_log.frs1), "1.0", ' '); 413888eea45cSKlaus Jensen trans_len = MIN(sizeof(fw_log) - off, buf_len); 413988eea45cSKlaus Jensen 414088eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *) &fw_log + off, trans_len, req); 414188eea45cSKlaus Jensen } 414288eea45cSKlaus Jensen 414388eea45cSKlaus Jensen static uint16_t nvme_error_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 414488eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 414588eea45cSKlaus Jensen { 414688eea45cSKlaus Jensen uint32_t trans_len; 414788eea45cSKlaus Jensen NvmeErrorLog errlog; 414888eea45cSKlaus Jensen 414988eea45cSKlaus Jensen if (off >= sizeof(errlog)) { 415088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 415188eea45cSKlaus Jensen } 415288eea45cSKlaus Jensen 415388eea45cSKlaus Jensen if (!rae) { 415488eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_ERROR); 415588eea45cSKlaus Jensen } 415688eea45cSKlaus Jensen 415788eea45cSKlaus Jensen memset(&errlog, 0x0, sizeof(errlog)); 415888eea45cSKlaus Jensen trans_len = MIN(sizeof(errlog) - off, buf_len); 415988eea45cSKlaus Jensen 416088eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&errlog, trans_len, req); 416188eea45cSKlaus Jensen } 416288eea45cSKlaus Jensen 416388eea45cSKlaus Jensen static uint16_t nvme_changed_nslist(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 416488eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 416588eea45cSKlaus Jensen { 416688eea45cSKlaus Jensen uint32_t nslist[1024]; 416788eea45cSKlaus Jensen uint32_t trans_len; 416888eea45cSKlaus Jensen int i = 0; 416988eea45cSKlaus Jensen uint32_t nsid; 417088eea45cSKlaus Jensen 417188eea45cSKlaus Jensen memset(nslist, 0x0, sizeof(nslist)); 417288eea45cSKlaus Jensen trans_len = MIN(sizeof(nslist) - off, buf_len); 417388eea45cSKlaus Jensen 417488eea45cSKlaus Jensen while ((nsid = find_first_bit(n->changed_nsids, NVME_CHANGED_NSID_SIZE)) != 417588eea45cSKlaus Jensen NVME_CHANGED_NSID_SIZE) { 417688eea45cSKlaus Jensen /* 417788eea45cSKlaus Jensen * If more than 1024 namespaces, the first entry in the log page should 417888eea45cSKlaus Jensen * be set to FFFFFFFFh and the others to 0 as spec. 417988eea45cSKlaus Jensen */ 418088eea45cSKlaus Jensen if (i == ARRAY_SIZE(nslist)) { 418188eea45cSKlaus Jensen memset(nslist, 0x0, sizeof(nslist)); 418288eea45cSKlaus Jensen nslist[0] = 0xffffffff; 418388eea45cSKlaus Jensen break; 418488eea45cSKlaus Jensen } 418588eea45cSKlaus Jensen 418688eea45cSKlaus Jensen nslist[i++] = nsid; 418788eea45cSKlaus Jensen clear_bit(nsid, n->changed_nsids); 418888eea45cSKlaus Jensen } 418988eea45cSKlaus Jensen 419088eea45cSKlaus Jensen /* 419188eea45cSKlaus Jensen * Remove all the remaining list entries in case returns directly due to 419288eea45cSKlaus Jensen * more than 1024 namespaces. 419388eea45cSKlaus Jensen */ 419488eea45cSKlaus Jensen if (nslist[0] == 0xffffffff) { 419588eea45cSKlaus Jensen bitmap_zero(n->changed_nsids, NVME_CHANGED_NSID_SIZE); 419688eea45cSKlaus Jensen } 419788eea45cSKlaus Jensen 419888eea45cSKlaus Jensen if (!rae) { 419988eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_NOTICE); 420088eea45cSKlaus Jensen } 420188eea45cSKlaus Jensen 420288eea45cSKlaus Jensen return nvme_c2h(n, ((uint8_t *)nslist) + off, trans_len, req); 420388eea45cSKlaus Jensen } 420488eea45cSKlaus Jensen 420588eea45cSKlaus Jensen static uint16_t nvme_cmd_effects(NvmeCtrl *n, uint8_t csi, uint32_t buf_len, 420688eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 420788eea45cSKlaus Jensen { 420888eea45cSKlaus Jensen NvmeEffectsLog log = {}; 420988eea45cSKlaus Jensen const uint32_t *src_iocs = NULL; 421088eea45cSKlaus Jensen uint32_t trans_len; 421188eea45cSKlaus Jensen 421288eea45cSKlaus Jensen if (off >= sizeof(log)) { 421388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_log_page_offset(off, sizeof(log)); 421488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 421588eea45cSKlaus Jensen } 421688eea45cSKlaus Jensen 421749e03457SKlaus Jensen switch (NVME_CC_CSS(ldl_le_p(&n->bar.cc))) { 421888eea45cSKlaus Jensen case NVME_CC_CSS_NVM: 421988eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_nvm; 422088eea45cSKlaus Jensen /* fall through */ 422188eea45cSKlaus Jensen case NVME_CC_CSS_ADMIN_ONLY: 422288eea45cSKlaus Jensen break; 422388eea45cSKlaus Jensen case NVME_CC_CSS_CSI: 422488eea45cSKlaus Jensen switch (csi) { 422588eea45cSKlaus Jensen case NVME_CSI_NVM: 422688eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_nvm; 422788eea45cSKlaus Jensen break; 422888eea45cSKlaus Jensen case NVME_CSI_ZONED: 422988eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_zoned; 423088eea45cSKlaus Jensen break; 423188eea45cSKlaus Jensen } 423288eea45cSKlaus Jensen } 423388eea45cSKlaus Jensen 423488eea45cSKlaus Jensen memcpy(log.acs, nvme_cse_acs, sizeof(nvme_cse_acs)); 423588eea45cSKlaus Jensen 423688eea45cSKlaus Jensen if (src_iocs) { 423788eea45cSKlaus Jensen memcpy(log.iocs, src_iocs, sizeof(log.iocs)); 423888eea45cSKlaus Jensen } 423988eea45cSKlaus Jensen 424088eea45cSKlaus Jensen trans_len = MIN(sizeof(log) - off, buf_len); 424188eea45cSKlaus Jensen 424288eea45cSKlaus Jensen return nvme_c2h(n, ((uint8_t *)&log) + off, trans_len, req); 424388eea45cSKlaus Jensen } 424488eea45cSKlaus Jensen 424588eea45cSKlaus Jensen static uint16_t nvme_get_log(NvmeCtrl *n, NvmeRequest *req) 424688eea45cSKlaus Jensen { 424788eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 424888eea45cSKlaus Jensen 424988eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 425088eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 425188eea45cSKlaus Jensen uint32_t dw12 = le32_to_cpu(cmd->cdw12); 425288eea45cSKlaus Jensen uint32_t dw13 = le32_to_cpu(cmd->cdw13); 425388eea45cSKlaus Jensen uint8_t lid = dw10 & 0xff; 425488eea45cSKlaus Jensen uint8_t lsp = (dw10 >> 8) & 0xf; 425588eea45cSKlaus Jensen uint8_t rae = (dw10 >> 15) & 0x1; 425688eea45cSKlaus Jensen uint8_t csi = le32_to_cpu(cmd->cdw14) >> 24; 425788eea45cSKlaus Jensen uint32_t numdl, numdu; 425888eea45cSKlaus Jensen uint64_t off, lpol, lpou; 425988eea45cSKlaus Jensen size_t len; 426088eea45cSKlaus Jensen uint16_t status; 426188eea45cSKlaus Jensen 426288eea45cSKlaus Jensen numdl = (dw10 >> 16); 426388eea45cSKlaus Jensen numdu = (dw11 & 0xffff); 426488eea45cSKlaus Jensen lpol = dw12; 426588eea45cSKlaus Jensen lpou = dw13; 426688eea45cSKlaus Jensen 426788eea45cSKlaus Jensen len = (((numdu << 16) | numdl) + 1) << 2; 426888eea45cSKlaus Jensen off = (lpou << 32ULL) | lpol; 426988eea45cSKlaus Jensen 427088eea45cSKlaus Jensen if (off & 0x3) { 427188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 427288eea45cSKlaus Jensen } 427388eea45cSKlaus Jensen 427488eea45cSKlaus Jensen trace_pci_nvme_get_log(nvme_cid(req), lid, lsp, rae, len, off); 427588eea45cSKlaus Jensen 427688eea45cSKlaus Jensen status = nvme_check_mdts(n, len); 427788eea45cSKlaus Jensen if (status) { 427888eea45cSKlaus Jensen return status; 427988eea45cSKlaus Jensen } 428088eea45cSKlaus Jensen 428188eea45cSKlaus Jensen switch (lid) { 428288eea45cSKlaus Jensen case NVME_LOG_ERROR_INFO: 428388eea45cSKlaus Jensen return nvme_error_info(n, rae, len, off, req); 428488eea45cSKlaus Jensen case NVME_LOG_SMART_INFO: 428588eea45cSKlaus Jensen return nvme_smart_info(n, rae, len, off, req); 428688eea45cSKlaus Jensen case NVME_LOG_FW_SLOT_INFO: 428788eea45cSKlaus Jensen return nvme_fw_log_info(n, len, off, req); 428888eea45cSKlaus Jensen case NVME_LOG_CHANGED_NSLIST: 428988eea45cSKlaus Jensen return nvme_changed_nslist(n, rae, len, off, req); 429088eea45cSKlaus Jensen case NVME_LOG_CMD_EFFECTS: 429188eea45cSKlaus Jensen return nvme_cmd_effects(n, csi, len, off, req); 429288eea45cSKlaus Jensen default: 429388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_log_page(nvme_cid(req), lid); 429488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 429588eea45cSKlaus Jensen } 429688eea45cSKlaus Jensen } 429788eea45cSKlaus Jensen 429888eea45cSKlaus Jensen static void nvme_free_cq(NvmeCQueue *cq, NvmeCtrl *n) 429988eea45cSKlaus Jensen { 430088eea45cSKlaus Jensen n->cq[cq->cqid] = NULL; 430188eea45cSKlaus Jensen timer_free(cq->timer); 430288eea45cSKlaus Jensen if (msix_enabled(&n->parent_obj)) { 430388eea45cSKlaus Jensen msix_vector_unuse(&n->parent_obj, cq->vector); 430488eea45cSKlaus Jensen } 430588eea45cSKlaus Jensen if (cq->cqid) { 430688eea45cSKlaus Jensen g_free(cq); 430788eea45cSKlaus Jensen } 430888eea45cSKlaus Jensen } 430988eea45cSKlaus Jensen 431088eea45cSKlaus Jensen static uint16_t nvme_del_cq(NvmeCtrl *n, NvmeRequest *req) 431188eea45cSKlaus Jensen { 431288eea45cSKlaus Jensen NvmeDeleteQ *c = (NvmeDeleteQ *)&req->cmd; 431388eea45cSKlaus Jensen NvmeCQueue *cq; 431488eea45cSKlaus Jensen uint16_t qid = le16_to_cpu(c->qid); 431588eea45cSKlaus Jensen 431688eea45cSKlaus Jensen if (unlikely(!qid || nvme_check_cqid(n, qid))) { 431788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_cq_cqid(qid); 431888eea45cSKlaus Jensen return NVME_INVALID_CQID | NVME_DNR; 431988eea45cSKlaus Jensen } 432088eea45cSKlaus Jensen 432188eea45cSKlaus Jensen cq = n->cq[qid]; 432288eea45cSKlaus Jensen if (unlikely(!QTAILQ_EMPTY(&cq->sq_list))) { 432388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_cq_notempty(qid); 432488eea45cSKlaus Jensen return NVME_INVALID_QUEUE_DEL; 432588eea45cSKlaus Jensen } 432683d7ed5cSKlaus Jensen 432783d7ed5cSKlaus Jensen if (cq->irq_enabled && cq->tail != cq->head) { 432883d7ed5cSKlaus Jensen n->cq_pending--; 432983d7ed5cSKlaus Jensen } 433083d7ed5cSKlaus Jensen 433188eea45cSKlaus Jensen nvme_irq_deassert(n, cq); 433288eea45cSKlaus Jensen trace_pci_nvme_del_cq(qid); 433388eea45cSKlaus Jensen nvme_free_cq(cq, n); 433488eea45cSKlaus Jensen return NVME_SUCCESS; 433588eea45cSKlaus Jensen } 433688eea45cSKlaus Jensen 433788eea45cSKlaus Jensen static void nvme_init_cq(NvmeCQueue *cq, NvmeCtrl *n, uint64_t dma_addr, 433888eea45cSKlaus Jensen uint16_t cqid, uint16_t vector, uint16_t size, 433988eea45cSKlaus Jensen uint16_t irq_enabled) 434088eea45cSKlaus Jensen { 434188eea45cSKlaus Jensen int ret; 434288eea45cSKlaus Jensen 434388eea45cSKlaus Jensen if (msix_enabled(&n->parent_obj)) { 434488eea45cSKlaus Jensen ret = msix_vector_use(&n->parent_obj, vector); 434588eea45cSKlaus Jensen assert(ret == 0); 434688eea45cSKlaus Jensen } 434788eea45cSKlaus Jensen cq->ctrl = n; 434888eea45cSKlaus Jensen cq->cqid = cqid; 434988eea45cSKlaus Jensen cq->size = size; 435088eea45cSKlaus Jensen cq->dma_addr = dma_addr; 435188eea45cSKlaus Jensen cq->phase = 1; 435288eea45cSKlaus Jensen cq->irq_enabled = irq_enabled; 435388eea45cSKlaus Jensen cq->vector = vector; 435488eea45cSKlaus Jensen cq->head = cq->tail = 0; 435588eea45cSKlaus Jensen QTAILQ_INIT(&cq->req_list); 435688eea45cSKlaus Jensen QTAILQ_INIT(&cq->sq_list); 435788eea45cSKlaus Jensen n->cq[cqid] = cq; 435888eea45cSKlaus Jensen cq->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, nvme_post_cqes, cq); 435988eea45cSKlaus Jensen } 436088eea45cSKlaus Jensen 436188eea45cSKlaus Jensen static uint16_t nvme_create_cq(NvmeCtrl *n, NvmeRequest *req) 436288eea45cSKlaus Jensen { 436388eea45cSKlaus Jensen NvmeCQueue *cq; 436488eea45cSKlaus Jensen NvmeCreateCq *c = (NvmeCreateCq *)&req->cmd; 436588eea45cSKlaus Jensen uint16_t cqid = le16_to_cpu(c->cqid); 436688eea45cSKlaus Jensen uint16_t vector = le16_to_cpu(c->irq_vector); 436788eea45cSKlaus Jensen uint16_t qsize = le16_to_cpu(c->qsize); 436888eea45cSKlaus Jensen uint16_t qflags = le16_to_cpu(c->cq_flags); 436988eea45cSKlaus Jensen uint64_t prp1 = le64_to_cpu(c->prp1); 437088eea45cSKlaus Jensen 437188eea45cSKlaus Jensen trace_pci_nvme_create_cq(prp1, cqid, vector, qsize, qflags, 437288eea45cSKlaus Jensen NVME_CQ_FLAGS_IEN(qflags) != 0); 437388eea45cSKlaus Jensen 437488eea45cSKlaus Jensen if (unlikely(!cqid || cqid > n->params.max_ioqpairs || 437588eea45cSKlaus Jensen n->cq[cqid] != NULL)) { 437688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_cqid(cqid); 437788eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 437888eea45cSKlaus Jensen } 437949e03457SKlaus Jensen if (unlikely(!qsize || qsize > NVME_CAP_MQES(ldq_le_p(&n->bar.cap)))) { 438088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_size(qsize); 438188eea45cSKlaus Jensen return NVME_MAX_QSIZE_EXCEEDED | NVME_DNR; 438288eea45cSKlaus Jensen } 438388eea45cSKlaus Jensen if (unlikely(prp1 & (n->page_size - 1))) { 438488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_addr(prp1); 438588eea45cSKlaus Jensen return NVME_INVALID_PRP_OFFSET | NVME_DNR; 438688eea45cSKlaus Jensen } 438788eea45cSKlaus Jensen if (unlikely(!msix_enabled(&n->parent_obj) && vector)) { 438888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_vector(vector); 438988eea45cSKlaus Jensen return NVME_INVALID_IRQ_VECTOR | NVME_DNR; 439088eea45cSKlaus Jensen } 439188eea45cSKlaus Jensen if (unlikely(vector >= n->params.msix_qsize)) { 439288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_vector(vector); 439388eea45cSKlaus Jensen return NVME_INVALID_IRQ_VECTOR | NVME_DNR; 439488eea45cSKlaus Jensen } 439588eea45cSKlaus Jensen if (unlikely(!(NVME_CQ_FLAGS_PC(qflags)))) { 439688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_qflags(NVME_CQ_FLAGS_PC(qflags)); 439788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 439888eea45cSKlaus Jensen } 439988eea45cSKlaus Jensen 440088eea45cSKlaus Jensen cq = g_malloc0(sizeof(*cq)); 440188eea45cSKlaus Jensen nvme_init_cq(cq, n, prp1, cqid, vector, qsize + 1, 440288eea45cSKlaus Jensen NVME_CQ_FLAGS_IEN(qflags)); 440388eea45cSKlaus Jensen 440488eea45cSKlaus Jensen /* 440588eea45cSKlaus Jensen * It is only required to set qs_created when creating a completion queue; 440688eea45cSKlaus Jensen * creating a submission queue without a matching completion queue will 440788eea45cSKlaus Jensen * fail. 440888eea45cSKlaus Jensen */ 440988eea45cSKlaus Jensen n->qs_created = true; 441088eea45cSKlaus Jensen return NVME_SUCCESS; 441188eea45cSKlaus Jensen } 441288eea45cSKlaus Jensen 441388eea45cSKlaus Jensen static uint16_t nvme_rpt_empty_id_struct(NvmeCtrl *n, NvmeRequest *req) 441488eea45cSKlaus Jensen { 441588eea45cSKlaus Jensen uint8_t id[NVME_IDENTIFY_DATA_SIZE] = {}; 441688eea45cSKlaus Jensen 441788eea45cSKlaus Jensen return nvme_c2h(n, id, sizeof(id), req); 441888eea45cSKlaus Jensen } 441988eea45cSKlaus Jensen 442088eea45cSKlaus Jensen static uint16_t nvme_identify_ctrl(NvmeCtrl *n, NvmeRequest *req) 442188eea45cSKlaus Jensen { 442288eea45cSKlaus Jensen trace_pci_nvme_identify_ctrl(); 442388eea45cSKlaus Jensen 442488eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&n->id_ctrl, sizeof(n->id_ctrl), req); 442588eea45cSKlaus Jensen } 442688eea45cSKlaus Jensen 442788eea45cSKlaus Jensen static uint16_t nvme_identify_ctrl_csi(NvmeCtrl *n, NvmeRequest *req) 442888eea45cSKlaus Jensen { 442988eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 443088eea45cSKlaus Jensen uint8_t id[NVME_IDENTIFY_DATA_SIZE] = {}; 443188eea45cSKlaus Jensen NvmeIdCtrlNvm *id_nvm = (NvmeIdCtrlNvm *)&id; 443288eea45cSKlaus Jensen 443388eea45cSKlaus Jensen trace_pci_nvme_identify_ctrl_csi(c->csi); 443488eea45cSKlaus Jensen 443588eea45cSKlaus Jensen switch (c->csi) { 443688eea45cSKlaus Jensen case NVME_CSI_NVM: 443788eea45cSKlaus Jensen id_nvm->vsl = n->params.vsl; 443888eea45cSKlaus Jensen id_nvm->dmrsl = cpu_to_le32(n->dmrsl); 443988eea45cSKlaus Jensen break; 444088eea45cSKlaus Jensen 444188eea45cSKlaus Jensen case NVME_CSI_ZONED: 444288eea45cSKlaus Jensen ((NvmeIdCtrlZoned *)&id)->zasl = n->params.zasl; 444388eea45cSKlaus Jensen break; 444488eea45cSKlaus Jensen 444588eea45cSKlaus Jensen default: 444688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 444788eea45cSKlaus Jensen } 444888eea45cSKlaus Jensen 444988eea45cSKlaus Jensen return nvme_c2h(n, id, sizeof(id), req); 445088eea45cSKlaus Jensen } 445188eea45cSKlaus Jensen 445288eea45cSKlaus Jensen static uint16_t nvme_identify_ns(NvmeCtrl *n, NvmeRequest *req, bool active) 445388eea45cSKlaus Jensen { 445488eea45cSKlaus Jensen NvmeNamespace *ns; 445588eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 445688eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 445788eea45cSKlaus Jensen 445888eea45cSKlaus Jensen trace_pci_nvme_identify_ns(nsid); 445988eea45cSKlaus Jensen 446088eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 446188eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 446288eea45cSKlaus Jensen } 446388eea45cSKlaus Jensen 446488eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 446588eea45cSKlaus Jensen if (unlikely(!ns)) { 446688eea45cSKlaus Jensen if (!active) { 446788eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 446888eea45cSKlaus Jensen if (!ns) { 446988eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 447088eea45cSKlaus Jensen } 447188eea45cSKlaus Jensen } else { 447288eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 447388eea45cSKlaus Jensen } 447488eea45cSKlaus Jensen } 447588eea45cSKlaus Jensen 44763553c48fSGollu Appalanaidu if (active || ns->csi == NVME_CSI_NVM) { 447788eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&ns->id_ns, sizeof(NvmeIdNs), req); 447888eea45cSKlaus Jensen } 447988eea45cSKlaus Jensen 448088eea45cSKlaus Jensen return NVME_INVALID_CMD_SET | NVME_DNR; 448188eea45cSKlaus Jensen } 448288eea45cSKlaus Jensen 44835f4eb94dSGollu Appalanaidu static uint16_t nvme_identify_ctrl_list(NvmeCtrl *n, NvmeRequest *req, 44845f4eb94dSGollu Appalanaidu bool attached) 448588eea45cSKlaus Jensen { 448688eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 44875f4eb94dSGollu Appalanaidu uint32_t nsid = le32_to_cpu(c->nsid); 448888eea45cSKlaus Jensen uint16_t min_id = le16_to_cpu(c->ctrlid); 448988eea45cSKlaus Jensen uint16_t list[NVME_CONTROLLER_LIST_SIZE] = {}; 449088eea45cSKlaus Jensen uint16_t *ids = &list[1]; 449188eea45cSKlaus Jensen NvmeNamespace *ns; 449288eea45cSKlaus Jensen NvmeCtrl *ctrl; 449388eea45cSKlaus Jensen int cntlid, nr_ids = 0; 449488eea45cSKlaus Jensen 44955f4eb94dSGollu Appalanaidu trace_pci_nvme_identify_ctrl_list(c->cns, min_id); 449688eea45cSKlaus Jensen 44975f4eb94dSGollu Appalanaidu if (!n->subsys) { 449888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 449988eea45cSKlaus Jensen } 450088eea45cSKlaus Jensen 45015f4eb94dSGollu Appalanaidu if (attached) { 45025f4eb94dSGollu Appalanaidu if (nsid == NVME_NSID_BROADCAST) { 45035f4eb94dSGollu Appalanaidu return NVME_INVALID_FIELD | NVME_DNR; 45045f4eb94dSGollu Appalanaidu } 45055f4eb94dSGollu Appalanaidu 45065f4eb94dSGollu Appalanaidu ns = nvme_subsys_ns(n->subsys, nsid); 450788eea45cSKlaus Jensen if (!ns) { 450888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 450988eea45cSKlaus Jensen } 45105f4eb94dSGollu Appalanaidu } 451188eea45cSKlaus Jensen 451288eea45cSKlaus Jensen for (cntlid = min_id; cntlid < ARRAY_SIZE(n->subsys->ctrls); cntlid++) { 451388eea45cSKlaus Jensen ctrl = nvme_subsys_ctrl(n->subsys, cntlid); 451488eea45cSKlaus Jensen if (!ctrl) { 451588eea45cSKlaus Jensen continue; 451688eea45cSKlaus Jensen } 451788eea45cSKlaus Jensen 45185f4eb94dSGollu Appalanaidu if (attached && !nvme_ns(ctrl, nsid)) { 451988eea45cSKlaus Jensen continue; 452088eea45cSKlaus Jensen } 452188eea45cSKlaus Jensen 452288eea45cSKlaus Jensen ids[nr_ids++] = cntlid; 452388eea45cSKlaus Jensen } 452488eea45cSKlaus Jensen 452588eea45cSKlaus Jensen list[0] = nr_ids; 452688eea45cSKlaus Jensen 452788eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)list, sizeof(list), req); 452888eea45cSKlaus Jensen } 452988eea45cSKlaus Jensen 453088eea45cSKlaus Jensen static uint16_t nvme_identify_ns_csi(NvmeCtrl *n, NvmeRequest *req, 453188eea45cSKlaus Jensen bool active) 453288eea45cSKlaus Jensen { 453388eea45cSKlaus Jensen NvmeNamespace *ns; 453488eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 453588eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 453688eea45cSKlaus Jensen 453788eea45cSKlaus Jensen trace_pci_nvme_identify_ns_csi(nsid, c->csi); 453888eea45cSKlaus Jensen 453988eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 454088eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 454188eea45cSKlaus Jensen } 454288eea45cSKlaus Jensen 454388eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 454488eea45cSKlaus Jensen if (unlikely(!ns)) { 454588eea45cSKlaus Jensen if (!active) { 454688eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 454788eea45cSKlaus Jensen if (!ns) { 454888eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 454988eea45cSKlaus Jensen } 455088eea45cSKlaus Jensen } else { 455188eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 455288eea45cSKlaus Jensen } 455388eea45cSKlaus Jensen } 455488eea45cSKlaus Jensen 45553553c48fSGollu Appalanaidu if (c->csi == NVME_CSI_NVM) { 455688eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 455788eea45cSKlaus Jensen } else if (c->csi == NVME_CSI_ZONED && ns->csi == NVME_CSI_ZONED) { 455888eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)ns->id_ns_zoned, sizeof(NvmeIdNsZoned), 455988eea45cSKlaus Jensen req); 456088eea45cSKlaus Jensen } 456188eea45cSKlaus Jensen 456288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 456388eea45cSKlaus Jensen } 456488eea45cSKlaus Jensen 456588eea45cSKlaus Jensen static uint16_t nvme_identify_nslist(NvmeCtrl *n, NvmeRequest *req, 456688eea45cSKlaus Jensen bool active) 456788eea45cSKlaus Jensen { 456888eea45cSKlaus Jensen NvmeNamespace *ns; 456988eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 457088eea45cSKlaus Jensen uint32_t min_nsid = le32_to_cpu(c->nsid); 457188eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 457288eea45cSKlaus Jensen static const int data_len = sizeof(list); 457388eea45cSKlaus Jensen uint32_t *list_ptr = (uint32_t *)list; 457488eea45cSKlaus Jensen int i, j = 0; 457588eea45cSKlaus Jensen 457688eea45cSKlaus Jensen trace_pci_nvme_identify_nslist(min_nsid); 457788eea45cSKlaus Jensen 457888eea45cSKlaus Jensen /* 457988eea45cSKlaus Jensen * Both FFFFFFFFh (NVME_NSID_BROADCAST) and FFFFFFFFEh are invalid values 458088eea45cSKlaus Jensen * since the Active Namespace ID List should return namespaces with ids 458188eea45cSKlaus Jensen * *higher* than the NSID specified in the command. This is also specified 458288eea45cSKlaus Jensen * in the spec (NVM Express v1.3d, Section 5.15.4). 458388eea45cSKlaus Jensen */ 458488eea45cSKlaus Jensen if (min_nsid >= NVME_NSID_BROADCAST - 1) { 458588eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 458688eea45cSKlaus Jensen } 458788eea45cSKlaus Jensen 458888eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 458988eea45cSKlaus Jensen ns = nvme_ns(n, i); 459088eea45cSKlaus Jensen if (!ns) { 459188eea45cSKlaus Jensen if (!active) { 459288eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, i); 459388eea45cSKlaus Jensen if (!ns) { 459488eea45cSKlaus Jensen continue; 459588eea45cSKlaus Jensen } 459688eea45cSKlaus Jensen } else { 459788eea45cSKlaus Jensen continue; 459888eea45cSKlaus Jensen } 459988eea45cSKlaus Jensen } 460088eea45cSKlaus Jensen if (ns->params.nsid <= min_nsid) { 460188eea45cSKlaus Jensen continue; 460288eea45cSKlaus Jensen } 460388eea45cSKlaus Jensen list_ptr[j++] = cpu_to_le32(ns->params.nsid); 460488eea45cSKlaus Jensen if (j == data_len / sizeof(uint32_t)) { 460588eea45cSKlaus Jensen break; 460688eea45cSKlaus Jensen } 460788eea45cSKlaus Jensen } 460888eea45cSKlaus Jensen 460988eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 461088eea45cSKlaus Jensen } 461188eea45cSKlaus Jensen 461288eea45cSKlaus Jensen static uint16_t nvme_identify_nslist_csi(NvmeCtrl *n, NvmeRequest *req, 461388eea45cSKlaus Jensen bool active) 461488eea45cSKlaus Jensen { 461588eea45cSKlaus Jensen NvmeNamespace *ns; 461688eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 461788eea45cSKlaus Jensen uint32_t min_nsid = le32_to_cpu(c->nsid); 461888eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 461988eea45cSKlaus Jensen static const int data_len = sizeof(list); 462088eea45cSKlaus Jensen uint32_t *list_ptr = (uint32_t *)list; 462188eea45cSKlaus Jensen int i, j = 0; 462288eea45cSKlaus Jensen 462388eea45cSKlaus Jensen trace_pci_nvme_identify_nslist_csi(min_nsid, c->csi); 462488eea45cSKlaus Jensen 462588eea45cSKlaus Jensen /* 462688eea45cSKlaus Jensen * Same as in nvme_identify_nslist(), FFFFFFFFh/FFFFFFFFEh are invalid. 462788eea45cSKlaus Jensen */ 462888eea45cSKlaus Jensen if (min_nsid >= NVME_NSID_BROADCAST - 1) { 462988eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 463088eea45cSKlaus Jensen } 463188eea45cSKlaus Jensen 463288eea45cSKlaus Jensen if (c->csi != NVME_CSI_NVM && c->csi != NVME_CSI_ZONED) { 463388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 463488eea45cSKlaus Jensen } 463588eea45cSKlaus Jensen 463688eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 463788eea45cSKlaus Jensen ns = nvme_ns(n, i); 463888eea45cSKlaus Jensen if (!ns) { 463988eea45cSKlaus Jensen if (!active) { 464088eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, i); 464188eea45cSKlaus Jensen if (!ns) { 464288eea45cSKlaus Jensen continue; 464388eea45cSKlaus Jensen } 464488eea45cSKlaus Jensen } else { 464588eea45cSKlaus Jensen continue; 464688eea45cSKlaus Jensen } 464788eea45cSKlaus Jensen } 464888eea45cSKlaus Jensen if (ns->params.nsid <= min_nsid || c->csi != ns->csi) { 464988eea45cSKlaus Jensen continue; 465088eea45cSKlaus Jensen } 465188eea45cSKlaus Jensen list_ptr[j++] = cpu_to_le32(ns->params.nsid); 465288eea45cSKlaus Jensen if (j == data_len / sizeof(uint32_t)) { 465388eea45cSKlaus Jensen break; 465488eea45cSKlaus Jensen } 465588eea45cSKlaus Jensen } 465688eea45cSKlaus Jensen 465788eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 465888eea45cSKlaus Jensen } 465988eea45cSKlaus Jensen 466088eea45cSKlaus Jensen static uint16_t nvme_identify_ns_descr_list(NvmeCtrl *n, NvmeRequest *req) 466188eea45cSKlaus Jensen { 466288eea45cSKlaus Jensen NvmeNamespace *ns; 466388eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 466488eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 466588eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 46666870cfb8SHeinrich Schuchardt uint8_t *pos = list; 466788eea45cSKlaus Jensen struct { 466888eea45cSKlaus Jensen NvmeIdNsDescr hdr; 466988eea45cSKlaus Jensen uint8_t v[NVME_NIDL_UUID]; 46705f4884c4SKlaus Jensen } QEMU_PACKED uuid = {}; 46716870cfb8SHeinrich Schuchardt struct { 46726870cfb8SHeinrich Schuchardt NvmeIdNsDescr hdr; 46736870cfb8SHeinrich Schuchardt uint64_t v; 46745f4884c4SKlaus Jensen } QEMU_PACKED eui64 = {}; 467588eea45cSKlaus Jensen struct { 467688eea45cSKlaus Jensen NvmeIdNsDescr hdr; 467788eea45cSKlaus Jensen uint8_t v; 46785f4884c4SKlaus Jensen } QEMU_PACKED csi = {}; 467988eea45cSKlaus Jensen 468088eea45cSKlaus Jensen trace_pci_nvme_identify_ns_descr_list(nsid); 468188eea45cSKlaus Jensen 468288eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 468388eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 468488eea45cSKlaus Jensen } 468588eea45cSKlaus Jensen 468688eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 468788eea45cSKlaus Jensen if (unlikely(!ns)) { 468888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 468988eea45cSKlaus Jensen } 469088eea45cSKlaus Jensen 469188eea45cSKlaus Jensen /* 46926870cfb8SHeinrich Schuchardt * If the EUI-64 field is 0 and the NGUID field is 0, the namespace must 46936870cfb8SHeinrich Schuchardt * provide a valid Namespace UUID in the Namespace Identification Descriptor 46946870cfb8SHeinrich Schuchardt * data structure. QEMU does not yet support setting NGUID. 469588eea45cSKlaus Jensen */ 46966870cfb8SHeinrich Schuchardt uuid.hdr.nidt = NVME_NIDT_UUID; 46976870cfb8SHeinrich Schuchardt uuid.hdr.nidl = NVME_NIDL_UUID; 46986870cfb8SHeinrich Schuchardt memcpy(uuid.v, ns->params.uuid.data, NVME_NIDL_UUID); 46996870cfb8SHeinrich Schuchardt memcpy(pos, &uuid, sizeof(uuid)); 47006870cfb8SHeinrich Schuchardt pos += sizeof(uuid); 470188eea45cSKlaus Jensen 47026870cfb8SHeinrich Schuchardt if (ns->params.eui64) { 47036870cfb8SHeinrich Schuchardt eui64.hdr.nidt = NVME_NIDT_EUI64; 47046870cfb8SHeinrich Schuchardt eui64.hdr.nidl = NVME_NIDL_EUI64; 47056870cfb8SHeinrich Schuchardt eui64.v = cpu_to_be64(ns->params.eui64); 47066870cfb8SHeinrich Schuchardt memcpy(pos, &eui64, sizeof(eui64)); 47076870cfb8SHeinrich Schuchardt pos += sizeof(eui64); 47086870cfb8SHeinrich Schuchardt } 47096870cfb8SHeinrich Schuchardt 47106870cfb8SHeinrich Schuchardt csi.hdr.nidt = NVME_NIDT_CSI; 47116870cfb8SHeinrich Schuchardt csi.hdr.nidl = NVME_NIDL_CSI; 47126870cfb8SHeinrich Schuchardt csi.v = ns->csi; 47136870cfb8SHeinrich Schuchardt memcpy(pos, &csi, sizeof(csi)); 47146870cfb8SHeinrich Schuchardt pos += sizeof(csi); 471588eea45cSKlaus Jensen 471688eea45cSKlaus Jensen return nvme_c2h(n, list, sizeof(list), req); 471788eea45cSKlaus Jensen } 471888eea45cSKlaus Jensen 471988eea45cSKlaus Jensen static uint16_t nvme_identify_cmd_set(NvmeCtrl *n, NvmeRequest *req) 472088eea45cSKlaus Jensen { 472188eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 472288eea45cSKlaus Jensen static const int data_len = sizeof(list); 472388eea45cSKlaus Jensen 472488eea45cSKlaus Jensen trace_pci_nvme_identify_cmd_set(); 472588eea45cSKlaus Jensen 472688eea45cSKlaus Jensen NVME_SET_CSI(*list, NVME_CSI_NVM); 472788eea45cSKlaus Jensen NVME_SET_CSI(*list, NVME_CSI_ZONED); 472888eea45cSKlaus Jensen 472988eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 473088eea45cSKlaus Jensen } 473188eea45cSKlaus Jensen 473288eea45cSKlaus Jensen static uint16_t nvme_identify(NvmeCtrl *n, NvmeRequest *req) 473388eea45cSKlaus Jensen { 473488eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 473588eea45cSKlaus Jensen 473688eea45cSKlaus Jensen trace_pci_nvme_identify(nvme_cid(req), c->cns, le16_to_cpu(c->ctrlid), 473788eea45cSKlaus Jensen c->csi); 473888eea45cSKlaus Jensen 473988eea45cSKlaus Jensen switch (c->cns) { 474088eea45cSKlaus Jensen case NVME_ID_CNS_NS: 474188eea45cSKlaus Jensen return nvme_identify_ns(n, req, true); 474288eea45cSKlaus Jensen case NVME_ID_CNS_NS_PRESENT: 474388eea45cSKlaus Jensen return nvme_identify_ns(n, req, false); 474488eea45cSKlaus Jensen case NVME_ID_CNS_NS_ATTACHED_CTRL_LIST: 47455f4eb94dSGollu Appalanaidu return nvme_identify_ctrl_list(n, req, true); 47465f4eb94dSGollu Appalanaidu case NVME_ID_CNS_CTRL_LIST: 47475f4eb94dSGollu Appalanaidu return nvme_identify_ctrl_list(n, req, false); 474888eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS: 474988eea45cSKlaus Jensen return nvme_identify_ns_csi(n, req, true); 475088eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_PRESENT: 475188eea45cSKlaus Jensen return nvme_identify_ns_csi(n, req, false); 475288eea45cSKlaus Jensen case NVME_ID_CNS_CTRL: 475388eea45cSKlaus Jensen return nvme_identify_ctrl(n, req); 475488eea45cSKlaus Jensen case NVME_ID_CNS_CS_CTRL: 475588eea45cSKlaus Jensen return nvme_identify_ctrl_csi(n, req); 475688eea45cSKlaus Jensen case NVME_ID_CNS_NS_ACTIVE_LIST: 475788eea45cSKlaus Jensen return nvme_identify_nslist(n, req, true); 475888eea45cSKlaus Jensen case NVME_ID_CNS_NS_PRESENT_LIST: 475988eea45cSKlaus Jensen return nvme_identify_nslist(n, req, false); 476088eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_ACTIVE_LIST: 476188eea45cSKlaus Jensen return nvme_identify_nslist_csi(n, req, true); 476288eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_PRESENT_LIST: 476388eea45cSKlaus Jensen return nvme_identify_nslist_csi(n, req, false); 476488eea45cSKlaus Jensen case NVME_ID_CNS_NS_DESCR_LIST: 476588eea45cSKlaus Jensen return nvme_identify_ns_descr_list(n, req); 476688eea45cSKlaus Jensen case NVME_ID_CNS_IO_COMMAND_SET: 476788eea45cSKlaus Jensen return nvme_identify_cmd_set(n, req); 476888eea45cSKlaus Jensen default: 476988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_identify_cns(le32_to_cpu(c->cns)); 477088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 477188eea45cSKlaus Jensen } 477288eea45cSKlaus Jensen } 477388eea45cSKlaus Jensen 477488eea45cSKlaus Jensen static uint16_t nvme_abort(NvmeCtrl *n, NvmeRequest *req) 477588eea45cSKlaus Jensen { 477688eea45cSKlaus Jensen uint16_t sqid = le32_to_cpu(req->cmd.cdw10) & 0xffff; 477788eea45cSKlaus Jensen 477888eea45cSKlaus Jensen req->cqe.result = 1; 477988eea45cSKlaus Jensen if (nvme_check_sqid(n, sqid)) { 478088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 478188eea45cSKlaus Jensen } 478288eea45cSKlaus Jensen 478388eea45cSKlaus Jensen return NVME_SUCCESS; 478488eea45cSKlaus Jensen } 478588eea45cSKlaus Jensen 478688eea45cSKlaus Jensen static inline void nvme_set_timestamp(NvmeCtrl *n, uint64_t ts) 478788eea45cSKlaus Jensen { 478888eea45cSKlaus Jensen trace_pci_nvme_setfeat_timestamp(ts); 478988eea45cSKlaus Jensen 479088eea45cSKlaus Jensen n->host_timestamp = le64_to_cpu(ts); 479188eea45cSKlaus Jensen n->timestamp_set_qemu_clock_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 479288eea45cSKlaus Jensen } 479388eea45cSKlaus Jensen 479488eea45cSKlaus Jensen static inline uint64_t nvme_get_timestamp(const NvmeCtrl *n) 479588eea45cSKlaus Jensen { 479688eea45cSKlaus Jensen uint64_t current_time = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 479788eea45cSKlaus Jensen uint64_t elapsed_time = current_time - n->timestamp_set_qemu_clock_ms; 479888eea45cSKlaus Jensen 479988eea45cSKlaus Jensen union nvme_timestamp { 480088eea45cSKlaus Jensen struct { 480188eea45cSKlaus Jensen uint64_t timestamp:48; 480288eea45cSKlaus Jensen uint64_t sync:1; 480388eea45cSKlaus Jensen uint64_t origin:3; 480488eea45cSKlaus Jensen uint64_t rsvd1:12; 480588eea45cSKlaus Jensen }; 480688eea45cSKlaus Jensen uint64_t all; 480788eea45cSKlaus Jensen }; 480888eea45cSKlaus Jensen 480988eea45cSKlaus Jensen union nvme_timestamp ts; 481088eea45cSKlaus Jensen ts.all = 0; 481188eea45cSKlaus Jensen ts.timestamp = n->host_timestamp + elapsed_time; 481288eea45cSKlaus Jensen 481388eea45cSKlaus Jensen /* If the host timestamp is non-zero, set the timestamp origin */ 481488eea45cSKlaus Jensen ts.origin = n->host_timestamp ? 0x01 : 0x00; 481588eea45cSKlaus Jensen 481688eea45cSKlaus Jensen trace_pci_nvme_getfeat_timestamp(ts.all); 481788eea45cSKlaus Jensen 481888eea45cSKlaus Jensen return cpu_to_le64(ts.all); 481988eea45cSKlaus Jensen } 482088eea45cSKlaus Jensen 482188eea45cSKlaus Jensen static uint16_t nvme_get_feature_timestamp(NvmeCtrl *n, NvmeRequest *req) 482288eea45cSKlaus Jensen { 482388eea45cSKlaus Jensen uint64_t timestamp = nvme_get_timestamp(n); 482488eea45cSKlaus Jensen 482588eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)×tamp, sizeof(timestamp), req); 482688eea45cSKlaus Jensen } 482788eea45cSKlaus Jensen 482888eea45cSKlaus Jensen static uint16_t nvme_get_feature(NvmeCtrl *n, NvmeRequest *req) 482988eea45cSKlaus Jensen { 483088eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 483188eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 483288eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 483388eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(cmd->nsid); 483488eea45cSKlaus Jensen uint32_t result; 483588eea45cSKlaus Jensen uint8_t fid = NVME_GETSETFEAT_FID(dw10); 483688eea45cSKlaus Jensen NvmeGetFeatureSelect sel = NVME_GETFEAT_SELECT(dw10); 483788eea45cSKlaus Jensen uint16_t iv; 483888eea45cSKlaus Jensen NvmeNamespace *ns; 483988eea45cSKlaus Jensen int i; 484088eea45cSKlaus Jensen 484188eea45cSKlaus Jensen static const uint32_t nvme_feature_default[NVME_FID_MAX] = { 484288eea45cSKlaus Jensen [NVME_ARBITRATION] = NVME_ARB_AB_NOLIMIT, 484388eea45cSKlaus Jensen }; 484488eea45cSKlaus Jensen 484588eea45cSKlaus Jensen trace_pci_nvme_getfeat(nvme_cid(req), nsid, fid, sel, dw11); 484688eea45cSKlaus Jensen 484788eea45cSKlaus Jensen if (!nvme_feature_support[fid]) { 484888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 484988eea45cSKlaus Jensen } 485088eea45cSKlaus Jensen 485188eea45cSKlaus Jensen if (nvme_feature_cap[fid] & NVME_FEAT_CAP_NS) { 485288eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 485388eea45cSKlaus Jensen /* 485488eea45cSKlaus Jensen * The Reservation Notification Mask and Reservation Persistence 485588eea45cSKlaus Jensen * features require a status code of Invalid Field in Command when 485688eea45cSKlaus Jensen * NSID is FFFFFFFFh. Since the device does not support those 485788eea45cSKlaus Jensen * features we can always return Invalid Namespace or Format as we 485888eea45cSKlaus Jensen * should do for all other features. 485988eea45cSKlaus Jensen */ 486088eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 486188eea45cSKlaus Jensen } 486288eea45cSKlaus Jensen 486388eea45cSKlaus Jensen if (!nvme_ns(n, nsid)) { 486488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 486588eea45cSKlaus Jensen } 486688eea45cSKlaus Jensen } 486788eea45cSKlaus Jensen 486888eea45cSKlaus Jensen switch (sel) { 486988eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_CURRENT: 487088eea45cSKlaus Jensen break; 487188eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_SAVED: 487288eea45cSKlaus Jensen /* no features are saveable by the controller; fallthrough */ 487388eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_DEFAULT: 487488eea45cSKlaus Jensen goto defaults; 487588eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_CAP: 487688eea45cSKlaus Jensen result = nvme_feature_cap[fid]; 487788eea45cSKlaus Jensen goto out; 487888eea45cSKlaus Jensen } 487988eea45cSKlaus Jensen 488088eea45cSKlaus Jensen switch (fid) { 488188eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 488288eea45cSKlaus Jensen result = 0; 488388eea45cSKlaus Jensen 488488eea45cSKlaus Jensen /* 488588eea45cSKlaus Jensen * The controller only implements the Composite Temperature sensor, so 488688eea45cSKlaus Jensen * return 0 for all other sensors. 488788eea45cSKlaus Jensen */ 488888eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 488988eea45cSKlaus Jensen goto out; 489088eea45cSKlaus Jensen } 489188eea45cSKlaus Jensen 489288eea45cSKlaus Jensen switch (NVME_TEMP_THSEL(dw11)) { 489388eea45cSKlaus Jensen case NVME_TEMP_THSEL_OVER: 489488eea45cSKlaus Jensen result = n->features.temp_thresh_hi; 489588eea45cSKlaus Jensen goto out; 489688eea45cSKlaus Jensen case NVME_TEMP_THSEL_UNDER: 489788eea45cSKlaus Jensen result = n->features.temp_thresh_low; 489888eea45cSKlaus Jensen goto out; 489988eea45cSKlaus Jensen } 490088eea45cSKlaus Jensen 490188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 490288eea45cSKlaus Jensen case NVME_ERROR_RECOVERY: 490388eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 490488eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 490588eea45cSKlaus Jensen } 490688eea45cSKlaus Jensen 490788eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 490888eea45cSKlaus Jensen if (unlikely(!ns)) { 490988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 491088eea45cSKlaus Jensen } 491188eea45cSKlaus Jensen 491288eea45cSKlaus Jensen result = ns->features.err_rec; 491388eea45cSKlaus Jensen goto out; 491488eea45cSKlaus Jensen case NVME_VOLATILE_WRITE_CACHE: 491588eea45cSKlaus Jensen result = 0; 491688eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 491788eea45cSKlaus Jensen ns = nvme_ns(n, i); 491888eea45cSKlaus Jensen if (!ns) { 491988eea45cSKlaus Jensen continue; 492088eea45cSKlaus Jensen } 492188eea45cSKlaus Jensen 492288eea45cSKlaus Jensen result = blk_enable_write_cache(ns->blkconf.blk); 492388eea45cSKlaus Jensen if (result) { 492488eea45cSKlaus Jensen break; 492588eea45cSKlaus Jensen } 492688eea45cSKlaus Jensen } 492788eea45cSKlaus Jensen trace_pci_nvme_getfeat_vwcache(result ? "enabled" : "disabled"); 492888eea45cSKlaus Jensen goto out; 492988eea45cSKlaus Jensen case NVME_ASYNCHRONOUS_EVENT_CONF: 493088eea45cSKlaus Jensen result = n->features.async_config; 493188eea45cSKlaus Jensen goto out; 493288eea45cSKlaus Jensen case NVME_TIMESTAMP: 493388eea45cSKlaus Jensen return nvme_get_feature_timestamp(n, req); 493488eea45cSKlaus Jensen default: 493588eea45cSKlaus Jensen break; 493688eea45cSKlaus Jensen } 493788eea45cSKlaus Jensen 493888eea45cSKlaus Jensen defaults: 493988eea45cSKlaus Jensen switch (fid) { 494088eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 494188eea45cSKlaus Jensen result = 0; 494288eea45cSKlaus Jensen 494388eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 494488eea45cSKlaus Jensen break; 494588eea45cSKlaus Jensen } 494688eea45cSKlaus Jensen 494788eea45cSKlaus Jensen if (NVME_TEMP_THSEL(dw11) == NVME_TEMP_THSEL_OVER) { 494888eea45cSKlaus Jensen result = NVME_TEMPERATURE_WARNING; 494988eea45cSKlaus Jensen } 495088eea45cSKlaus Jensen 495188eea45cSKlaus Jensen break; 495288eea45cSKlaus Jensen case NVME_NUMBER_OF_QUEUES: 495388eea45cSKlaus Jensen result = (n->params.max_ioqpairs - 1) | 495488eea45cSKlaus Jensen ((n->params.max_ioqpairs - 1) << 16); 495588eea45cSKlaus Jensen trace_pci_nvme_getfeat_numq(result); 495688eea45cSKlaus Jensen break; 495788eea45cSKlaus Jensen case NVME_INTERRUPT_VECTOR_CONF: 495888eea45cSKlaus Jensen iv = dw11 & 0xffff; 495988eea45cSKlaus Jensen if (iv >= n->params.max_ioqpairs + 1) { 496088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 496188eea45cSKlaus Jensen } 496288eea45cSKlaus Jensen 496388eea45cSKlaus Jensen result = iv; 496488eea45cSKlaus Jensen if (iv == n->admin_cq.vector) { 496588eea45cSKlaus Jensen result |= NVME_INTVC_NOCOALESCING; 496688eea45cSKlaus Jensen } 496788eea45cSKlaus Jensen break; 496888eea45cSKlaus Jensen default: 496988eea45cSKlaus Jensen result = nvme_feature_default[fid]; 497088eea45cSKlaus Jensen break; 497188eea45cSKlaus Jensen } 497288eea45cSKlaus Jensen 497388eea45cSKlaus Jensen out: 497488eea45cSKlaus Jensen req->cqe.result = cpu_to_le32(result); 497588eea45cSKlaus Jensen return NVME_SUCCESS; 497688eea45cSKlaus Jensen } 497788eea45cSKlaus Jensen 497888eea45cSKlaus Jensen static uint16_t nvme_set_feature_timestamp(NvmeCtrl *n, NvmeRequest *req) 497988eea45cSKlaus Jensen { 498088eea45cSKlaus Jensen uint16_t ret; 498188eea45cSKlaus Jensen uint64_t timestamp; 498288eea45cSKlaus Jensen 498388eea45cSKlaus Jensen ret = nvme_h2c(n, (uint8_t *)×tamp, sizeof(timestamp), req); 498488eea45cSKlaus Jensen if (ret) { 498588eea45cSKlaus Jensen return ret; 498688eea45cSKlaus Jensen } 498788eea45cSKlaus Jensen 498888eea45cSKlaus Jensen nvme_set_timestamp(n, timestamp); 498988eea45cSKlaus Jensen 499088eea45cSKlaus Jensen return NVME_SUCCESS; 499188eea45cSKlaus Jensen } 499288eea45cSKlaus Jensen 499388eea45cSKlaus Jensen static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeRequest *req) 499488eea45cSKlaus Jensen { 499588eea45cSKlaus Jensen NvmeNamespace *ns = NULL; 499688eea45cSKlaus Jensen 499788eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 499888eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 499988eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 500088eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(cmd->nsid); 500188eea45cSKlaus Jensen uint8_t fid = NVME_GETSETFEAT_FID(dw10); 500288eea45cSKlaus Jensen uint8_t save = NVME_SETFEAT_SAVE(dw10); 500388eea45cSKlaus Jensen int i; 500488eea45cSKlaus Jensen 500588eea45cSKlaus Jensen trace_pci_nvme_setfeat(nvme_cid(req), nsid, fid, save, dw11); 500688eea45cSKlaus Jensen 500788eea45cSKlaus Jensen if (save && !(nvme_feature_cap[fid] & NVME_FEAT_CAP_SAVE)) { 500888eea45cSKlaus Jensen return NVME_FID_NOT_SAVEABLE | NVME_DNR; 500988eea45cSKlaus Jensen } 501088eea45cSKlaus Jensen 501188eea45cSKlaus Jensen if (!nvme_feature_support[fid]) { 501288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 501388eea45cSKlaus Jensen } 501488eea45cSKlaus Jensen 501588eea45cSKlaus Jensen if (nvme_feature_cap[fid] & NVME_FEAT_CAP_NS) { 501688eea45cSKlaus Jensen if (nsid != NVME_NSID_BROADCAST) { 501788eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 501888eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 501988eea45cSKlaus Jensen } 502088eea45cSKlaus Jensen 502188eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 502288eea45cSKlaus Jensen if (unlikely(!ns)) { 502388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 502488eea45cSKlaus Jensen } 502588eea45cSKlaus Jensen } 502688eea45cSKlaus Jensen } else if (nsid && nsid != NVME_NSID_BROADCAST) { 502788eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 502888eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 502988eea45cSKlaus Jensen } 503088eea45cSKlaus Jensen 503188eea45cSKlaus Jensen return NVME_FEAT_NOT_NS_SPEC | NVME_DNR; 503288eea45cSKlaus Jensen } 503388eea45cSKlaus Jensen 503488eea45cSKlaus Jensen if (!(nvme_feature_cap[fid] & NVME_FEAT_CAP_CHANGE)) { 503588eea45cSKlaus Jensen return NVME_FEAT_NOT_CHANGEABLE | NVME_DNR; 503688eea45cSKlaus Jensen } 503788eea45cSKlaus Jensen 503888eea45cSKlaus Jensen switch (fid) { 503988eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 504088eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 504188eea45cSKlaus Jensen break; 504288eea45cSKlaus Jensen } 504388eea45cSKlaus Jensen 504488eea45cSKlaus Jensen switch (NVME_TEMP_THSEL(dw11)) { 504588eea45cSKlaus Jensen case NVME_TEMP_THSEL_OVER: 504688eea45cSKlaus Jensen n->features.temp_thresh_hi = NVME_TEMP_TMPTH(dw11); 504788eea45cSKlaus Jensen break; 504888eea45cSKlaus Jensen case NVME_TEMP_THSEL_UNDER: 504988eea45cSKlaus Jensen n->features.temp_thresh_low = NVME_TEMP_TMPTH(dw11); 505088eea45cSKlaus Jensen break; 505188eea45cSKlaus Jensen default: 505288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 505388eea45cSKlaus Jensen } 505488eea45cSKlaus Jensen 505588eea45cSKlaus Jensen if ((n->temperature >= n->features.temp_thresh_hi) || 505688eea45cSKlaus Jensen (n->temperature <= n->features.temp_thresh_low)) { 505788eea45cSKlaus Jensen nvme_smart_event(n, NVME_AER_INFO_SMART_TEMP_THRESH); 505888eea45cSKlaus Jensen } 505988eea45cSKlaus Jensen 506088eea45cSKlaus Jensen break; 506188eea45cSKlaus Jensen case NVME_ERROR_RECOVERY: 506288eea45cSKlaus Jensen if (nsid == NVME_NSID_BROADCAST) { 506388eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 506488eea45cSKlaus Jensen ns = nvme_ns(n, i); 506588eea45cSKlaus Jensen 506688eea45cSKlaus Jensen if (!ns) { 506788eea45cSKlaus Jensen continue; 506888eea45cSKlaus Jensen } 506988eea45cSKlaus Jensen 507088eea45cSKlaus Jensen if (NVME_ID_NS_NSFEAT_DULBE(ns->id_ns.nsfeat)) { 507188eea45cSKlaus Jensen ns->features.err_rec = dw11; 507288eea45cSKlaus Jensen } 507388eea45cSKlaus Jensen } 507488eea45cSKlaus Jensen 507588eea45cSKlaus Jensen break; 507688eea45cSKlaus Jensen } 507788eea45cSKlaus Jensen 507888eea45cSKlaus Jensen assert(ns); 507988eea45cSKlaus Jensen if (NVME_ID_NS_NSFEAT_DULBE(ns->id_ns.nsfeat)) { 508088eea45cSKlaus Jensen ns->features.err_rec = dw11; 508188eea45cSKlaus Jensen } 508288eea45cSKlaus Jensen break; 508388eea45cSKlaus Jensen case NVME_VOLATILE_WRITE_CACHE: 508488eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 508588eea45cSKlaus Jensen ns = nvme_ns(n, i); 508688eea45cSKlaus Jensen if (!ns) { 508788eea45cSKlaus Jensen continue; 508888eea45cSKlaus Jensen } 508988eea45cSKlaus Jensen 509088eea45cSKlaus Jensen if (!(dw11 & 0x1) && blk_enable_write_cache(ns->blkconf.blk)) { 509188eea45cSKlaus Jensen blk_flush(ns->blkconf.blk); 509288eea45cSKlaus Jensen } 509388eea45cSKlaus Jensen 509488eea45cSKlaus Jensen blk_set_enable_write_cache(ns->blkconf.blk, dw11 & 1); 509588eea45cSKlaus Jensen } 509688eea45cSKlaus Jensen 509788eea45cSKlaus Jensen break; 509888eea45cSKlaus Jensen 509988eea45cSKlaus Jensen case NVME_NUMBER_OF_QUEUES: 510088eea45cSKlaus Jensen if (n->qs_created) { 510188eea45cSKlaus Jensen return NVME_CMD_SEQ_ERROR | NVME_DNR; 510288eea45cSKlaus Jensen } 510388eea45cSKlaus Jensen 510488eea45cSKlaus Jensen /* 510588eea45cSKlaus Jensen * NVMe v1.3, Section 5.21.1.7: FFFFh is not an allowed value for NCQR 510688eea45cSKlaus Jensen * and NSQR. 510788eea45cSKlaus Jensen */ 510888eea45cSKlaus Jensen if ((dw11 & 0xffff) == 0xffff || ((dw11 >> 16) & 0xffff) == 0xffff) { 510988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 511088eea45cSKlaus Jensen } 511188eea45cSKlaus Jensen 511288eea45cSKlaus Jensen trace_pci_nvme_setfeat_numq((dw11 & 0xffff) + 1, 511388eea45cSKlaus Jensen ((dw11 >> 16) & 0xffff) + 1, 511488eea45cSKlaus Jensen n->params.max_ioqpairs, 511588eea45cSKlaus Jensen n->params.max_ioqpairs); 511688eea45cSKlaus Jensen req->cqe.result = cpu_to_le32((n->params.max_ioqpairs - 1) | 511788eea45cSKlaus Jensen ((n->params.max_ioqpairs - 1) << 16)); 511888eea45cSKlaus Jensen break; 511988eea45cSKlaus Jensen case NVME_ASYNCHRONOUS_EVENT_CONF: 512088eea45cSKlaus Jensen n->features.async_config = dw11; 512188eea45cSKlaus Jensen break; 512288eea45cSKlaus Jensen case NVME_TIMESTAMP: 512388eea45cSKlaus Jensen return nvme_set_feature_timestamp(n, req); 512488eea45cSKlaus Jensen case NVME_COMMAND_SET_PROFILE: 512588eea45cSKlaus Jensen if (dw11 & 0x1ff) { 512688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_iocsci(dw11 & 0x1ff); 512788eea45cSKlaus Jensen return NVME_CMD_SET_CMB_REJECTED | NVME_DNR; 512888eea45cSKlaus Jensen } 512988eea45cSKlaus Jensen break; 513088eea45cSKlaus Jensen default: 513188eea45cSKlaus Jensen return NVME_FEAT_NOT_CHANGEABLE | NVME_DNR; 513288eea45cSKlaus Jensen } 513388eea45cSKlaus Jensen return NVME_SUCCESS; 513488eea45cSKlaus Jensen } 513588eea45cSKlaus Jensen 513688eea45cSKlaus Jensen static uint16_t nvme_aer(NvmeCtrl *n, NvmeRequest *req) 513788eea45cSKlaus Jensen { 513888eea45cSKlaus Jensen trace_pci_nvme_aer(nvme_cid(req)); 513988eea45cSKlaus Jensen 514088eea45cSKlaus Jensen if (n->outstanding_aers > n->params.aerl) { 514188eea45cSKlaus Jensen trace_pci_nvme_aer_aerl_exceeded(); 514288eea45cSKlaus Jensen return NVME_AER_LIMIT_EXCEEDED; 514388eea45cSKlaus Jensen } 514488eea45cSKlaus Jensen 514588eea45cSKlaus Jensen n->aer_reqs[n->outstanding_aers] = req; 514688eea45cSKlaus Jensen n->outstanding_aers++; 514788eea45cSKlaus Jensen 514888eea45cSKlaus Jensen if (!QTAILQ_EMPTY(&n->aer_queue)) { 514988eea45cSKlaus Jensen nvme_process_aers(n); 515088eea45cSKlaus Jensen } 515188eea45cSKlaus Jensen 515288eea45cSKlaus Jensen return NVME_NO_COMPLETE; 515388eea45cSKlaus Jensen } 515488eea45cSKlaus Jensen 515588eea45cSKlaus Jensen static void nvme_update_dmrsl(NvmeCtrl *n) 515688eea45cSKlaus Jensen { 515788eea45cSKlaus Jensen int nsid; 515888eea45cSKlaus Jensen 515988eea45cSKlaus Jensen for (nsid = 1; nsid <= NVME_MAX_NAMESPACES; nsid++) { 516088eea45cSKlaus Jensen NvmeNamespace *ns = nvme_ns(n, nsid); 516188eea45cSKlaus Jensen if (!ns) { 516288eea45cSKlaus Jensen continue; 516388eea45cSKlaus Jensen } 516488eea45cSKlaus Jensen 516588eea45cSKlaus Jensen n->dmrsl = MIN_NON_ZERO(n->dmrsl, 516688eea45cSKlaus Jensen BDRV_REQUEST_MAX_BYTES / nvme_l2b(ns, 1)); 516788eea45cSKlaus Jensen } 516888eea45cSKlaus Jensen } 516988eea45cSKlaus Jensen 517088eea45cSKlaus Jensen static void nvme_select_iocs_ns(NvmeCtrl *n, NvmeNamespace *ns) 517188eea45cSKlaus Jensen { 517249e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 517349e03457SKlaus Jensen 517488eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_none; 517588eea45cSKlaus Jensen switch (ns->csi) { 517688eea45cSKlaus Jensen case NVME_CSI_NVM: 517749e03457SKlaus Jensen if (NVME_CC_CSS(cc) != NVME_CC_CSS_ADMIN_ONLY) { 517888eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_nvm; 517988eea45cSKlaus Jensen } 518088eea45cSKlaus Jensen break; 518188eea45cSKlaus Jensen case NVME_CSI_ZONED: 518249e03457SKlaus Jensen if (NVME_CC_CSS(cc) == NVME_CC_CSS_CSI) { 518388eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_zoned; 518449e03457SKlaus Jensen } else if (NVME_CC_CSS(cc) == NVME_CC_CSS_NVM) { 518588eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_nvm; 518688eea45cSKlaus Jensen } 518788eea45cSKlaus Jensen break; 518888eea45cSKlaus Jensen } 518988eea45cSKlaus Jensen } 519088eea45cSKlaus Jensen 519188eea45cSKlaus Jensen static uint16_t nvme_ns_attachment(NvmeCtrl *n, NvmeRequest *req) 519288eea45cSKlaus Jensen { 519388eea45cSKlaus Jensen NvmeNamespace *ns; 519488eea45cSKlaus Jensen NvmeCtrl *ctrl; 519588eea45cSKlaus Jensen uint16_t list[NVME_CONTROLLER_LIST_SIZE] = {}; 519688eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 519788eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 519807a3dfa7SNaveen Nagar uint8_t sel = dw10 & 0xf; 519988eea45cSKlaus Jensen uint16_t *nr_ids = &list[0]; 520088eea45cSKlaus Jensen uint16_t *ids = &list[1]; 520188eea45cSKlaus Jensen uint16_t ret; 520288eea45cSKlaus Jensen int i; 520388eea45cSKlaus Jensen 520488eea45cSKlaus Jensen trace_pci_nvme_ns_attachment(nvme_cid(req), dw10 & 0xf); 520588eea45cSKlaus Jensen 520688eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 520788eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 520888eea45cSKlaus Jensen } 520988eea45cSKlaus Jensen 521088eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 521188eea45cSKlaus Jensen if (!ns) { 521288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 521388eea45cSKlaus Jensen } 521488eea45cSKlaus Jensen 521588eea45cSKlaus Jensen ret = nvme_h2c(n, (uint8_t *)list, 4096, req); 521688eea45cSKlaus Jensen if (ret) { 521788eea45cSKlaus Jensen return ret; 521888eea45cSKlaus Jensen } 521988eea45cSKlaus Jensen 522088eea45cSKlaus Jensen if (!*nr_ids) { 522188eea45cSKlaus Jensen return NVME_NS_CTRL_LIST_INVALID | NVME_DNR; 522288eea45cSKlaus Jensen } 522388eea45cSKlaus Jensen 522488eea45cSKlaus Jensen *nr_ids = MIN(*nr_ids, NVME_CONTROLLER_LIST_SIZE - 1); 522588eea45cSKlaus Jensen for (i = 0; i < *nr_ids; i++) { 522688eea45cSKlaus Jensen ctrl = nvme_subsys_ctrl(n->subsys, ids[i]); 522788eea45cSKlaus Jensen if (!ctrl) { 522888eea45cSKlaus Jensen return NVME_NS_CTRL_LIST_INVALID | NVME_DNR; 522988eea45cSKlaus Jensen } 523088eea45cSKlaus Jensen 523107a3dfa7SNaveen Nagar switch (sel) { 523207a3dfa7SNaveen Nagar case NVME_NS_ATTACHMENT_ATTACH: 523388eea45cSKlaus Jensen if (nvme_ns(ctrl, nsid)) { 523488eea45cSKlaus Jensen return NVME_NS_ALREADY_ATTACHED | NVME_DNR; 523588eea45cSKlaus Jensen } 523688eea45cSKlaus Jensen 523788eea45cSKlaus Jensen if (ns->attached && !ns->params.shared) { 523888eea45cSKlaus Jensen return NVME_NS_PRIVATE | NVME_DNR; 523988eea45cSKlaus Jensen } 524088eea45cSKlaus Jensen 524188eea45cSKlaus Jensen nvme_attach_ns(ctrl, ns); 524288eea45cSKlaus Jensen nvme_select_iocs_ns(ctrl, ns); 524307a3dfa7SNaveen Nagar 524407a3dfa7SNaveen Nagar break; 524507a3dfa7SNaveen Nagar 524607a3dfa7SNaveen Nagar case NVME_NS_ATTACHMENT_DETACH: 524788eea45cSKlaus Jensen if (!nvme_ns(ctrl, nsid)) { 524888eea45cSKlaus Jensen return NVME_NS_NOT_ATTACHED | NVME_DNR; 524988eea45cSKlaus Jensen } 525088eea45cSKlaus Jensen 525188eea45cSKlaus Jensen ctrl->namespaces[nsid] = NULL; 525288eea45cSKlaus Jensen ns->attached--; 525388eea45cSKlaus Jensen 525488eea45cSKlaus Jensen nvme_update_dmrsl(ctrl); 525507a3dfa7SNaveen Nagar 525607a3dfa7SNaveen Nagar break; 525707a3dfa7SNaveen Nagar 525807a3dfa7SNaveen Nagar default: 525907a3dfa7SNaveen Nagar return NVME_INVALID_FIELD | NVME_DNR; 526088eea45cSKlaus Jensen } 526188eea45cSKlaus Jensen 526288eea45cSKlaus Jensen /* 526388eea45cSKlaus Jensen * Add namespace id to the changed namespace id list for event clearing 526488eea45cSKlaus Jensen * via Get Log Page command. 526588eea45cSKlaus Jensen */ 526688eea45cSKlaus Jensen if (!test_and_set_bit(nsid, ctrl->changed_nsids)) { 526788eea45cSKlaus Jensen nvme_enqueue_event(ctrl, NVME_AER_TYPE_NOTICE, 526888eea45cSKlaus Jensen NVME_AER_INFO_NOTICE_NS_ATTR_CHANGED, 526988eea45cSKlaus Jensen NVME_LOG_CHANGED_NSLIST); 527088eea45cSKlaus Jensen } 527188eea45cSKlaus Jensen } 527288eea45cSKlaus Jensen 527388eea45cSKlaus Jensen return NVME_SUCCESS; 527488eea45cSKlaus Jensen } 527588eea45cSKlaus Jensen 52763bcf26d3SKlaus Jensen typedef struct NvmeFormatAIOCB { 52773bcf26d3SKlaus Jensen BlockAIOCB common; 52783bcf26d3SKlaus Jensen BlockAIOCB *aiocb; 52793bcf26d3SKlaus Jensen QEMUBH *bh; 52803bcf26d3SKlaus Jensen NvmeRequest *req; 52813bcf26d3SKlaus Jensen int ret; 528288eea45cSKlaus Jensen 52833bcf26d3SKlaus Jensen NvmeNamespace *ns; 52843bcf26d3SKlaus Jensen uint32_t nsid; 52853bcf26d3SKlaus Jensen bool broadcast; 52863bcf26d3SKlaus Jensen int64_t offset; 52873bcf26d3SKlaus Jensen } NvmeFormatAIOCB; 52883bcf26d3SKlaus Jensen 52893bcf26d3SKlaus Jensen static void nvme_format_bh(void *opaque); 52903bcf26d3SKlaus Jensen 52913bcf26d3SKlaus Jensen static void nvme_format_cancel(BlockAIOCB *aiocb) 52923bcf26d3SKlaus Jensen { 52933bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = container_of(aiocb, NvmeFormatAIOCB, common); 52943bcf26d3SKlaus Jensen 52953bcf26d3SKlaus Jensen if (iocb->aiocb) { 52963bcf26d3SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 52973bcf26d3SKlaus Jensen } 52983bcf26d3SKlaus Jensen } 52993bcf26d3SKlaus Jensen 53003bcf26d3SKlaus Jensen static const AIOCBInfo nvme_format_aiocb_info = { 53013bcf26d3SKlaus Jensen .aiocb_size = sizeof(NvmeFormatAIOCB), 53023bcf26d3SKlaus Jensen .cancel_async = nvme_format_cancel, 53033bcf26d3SKlaus Jensen .get_aio_context = nvme_get_aio_context, 53043bcf26d3SKlaus Jensen }; 53053bcf26d3SKlaus Jensen 53063bcf26d3SKlaus Jensen static void nvme_format_set(NvmeNamespace *ns, NvmeCmd *cmd) 53073bcf26d3SKlaus Jensen { 53083bcf26d3SKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 53093bcf26d3SKlaus Jensen uint8_t lbaf = dw10 & 0xf; 53103bcf26d3SKlaus Jensen uint8_t pi = (dw10 >> 5) & 0x7; 53113bcf26d3SKlaus Jensen uint8_t mset = (dw10 >> 4) & 0x1; 53123bcf26d3SKlaus Jensen uint8_t pil = (dw10 >> 8) & 0x1; 53133bcf26d3SKlaus Jensen 53143bcf26d3SKlaus Jensen trace_pci_nvme_format_set(ns->params.nsid, lbaf, mset, pi, pil); 53153bcf26d3SKlaus Jensen 53163bcf26d3SKlaus Jensen ns->id_ns.dps = (pil << 3) | pi; 53173bcf26d3SKlaus Jensen ns->id_ns.flbas = lbaf | (mset << 4); 53183bcf26d3SKlaus Jensen 53193bcf26d3SKlaus Jensen nvme_ns_init_format(ns); 53203bcf26d3SKlaus Jensen } 53213bcf26d3SKlaus Jensen 53223bcf26d3SKlaus Jensen static void nvme_format_ns_cb(void *opaque, int ret) 53233bcf26d3SKlaus Jensen { 53243bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = opaque; 53253bcf26d3SKlaus Jensen NvmeRequest *req = iocb->req; 53263bcf26d3SKlaus Jensen NvmeNamespace *ns = iocb->ns; 53273bcf26d3SKlaus Jensen int bytes; 53283bcf26d3SKlaus Jensen 53293bcf26d3SKlaus Jensen if (ret < 0) { 53303bcf26d3SKlaus Jensen iocb->ret = ret; 53313bcf26d3SKlaus Jensen goto done; 53323bcf26d3SKlaus Jensen } 53333bcf26d3SKlaus Jensen 53343bcf26d3SKlaus Jensen assert(ns); 53353bcf26d3SKlaus Jensen 53363bcf26d3SKlaus Jensen if (iocb->offset < ns->size) { 53373bcf26d3SKlaus Jensen bytes = MIN(BDRV_REQUEST_MAX_BYTES, ns->size - iocb->offset); 53383bcf26d3SKlaus Jensen 53393bcf26d3SKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, iocb->offset, 53403bcf26d3SKlaus Jensen bytes, BDRV_REQ_MAY_UNMAP, 53413bcf26d3SKlaus Jensen nvme_format_ns_cb, iocb); 53423bcf26d3SKlaus Jensen 53433bcf26d3SKlaus Jensen iocb->offset += bytes; 53443bcf26d3SKlaus Jensen return; 53453bcf26d3SKlaus Jensen } 53463bcf26d3SKlaus Jensen 53473bcf26d3SKlaus Jensen nvme_format_set(ns, &req->cmd); 53483bcf26d3SKlaus Jensen ns->status = 0x0; 53493bcf26d3SKlaus Jensen iocb->ns = NULL; 53503bcf26d3SKlaus Jensen iocb->offset = 0; 53513bcf26d3SKlaus Jensen 53523bcf26d3SKlaus Jensen done: 53533bcf26d3SKlaus Jensen iocb->aiocb = NULL; 53543bcf26d3SKlaus Jensen qemu_bh_schedule(iocb->bh); 53553bcf26d3SKlaus Jensen } 53563bcf26d3SKlaus Jensen 53573bcf26d3SKlaus Jensen static uint16_t nvme_format_check(NvmeNamespace *ns, uint8_t lbaf, uint8_t pi) 53583bcf26d3SKlaus Jensen { 535988eea45cSKlaus Jensen if (ns->params.zoned) { 536088eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 536188eea45cSKlaus Jensen } 536288eea45cSKlaus Jensen 536388eea45cSKlaus Jensen if (lbaf > ns->id_ns.nlbaf) { 536488eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 536588eea45cSKlaus Jensen } 536688eea45cSKlaus Jensen 53673bcf26d3SKlaus Jensen if (pi && (ns->id_ns.lbaf[lbaf].ms < sizeof(NvmeDifTuple))) { 536888eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 536988eea45cSKlaus Jensen } 537088eea45cSKlaus Jensen 537188eea45cSKlaus Jensen if (pi && pi > NVME_ID_NS_DPS_TYPE_3) { 537288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 537388eea45cSKlaus Jensen } 537488eea45cSKlaus Jensen 537588eea45cSKlaus Jensen return NVME_SUCCESS; 537688eea45cSKlaus Jensen } 537788eea45cSKlaus Jensen 53783bcf26d3SKlaus Jensen static void nvme_format_bh(void *opaque) 537988eea45cSKlaus Jensen { 53803bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = opaque; 53813bcf26d3SKlaus Jensen NvmeRequest *req = iocb->req; 53823bcf26d3SKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 538388eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 538488eea45cSKlaus Jensen uint8_t lbaf = dw10 & 0xf; 538588eea45cSKlaus Jensen uint8_t pi = (dw10 >> 5) & 0x7; 538688eea45cSKlaus Jensen uint16_t status; 538788eea45cSKlaus Jensen int i; 538888eea45cSKlaus Jensen 53893bcf26d3SKlaus Jensen if (iocb->ret < 0) { 53903bcf26d3SKlaus Jensen goto done; 539188eea45cSKlaus Jensen } 539288eea45cSKlaus Jensen 53933bcf26d3SKlaus Jensen if (iocb->broadcast) { 53943bcf26d3SKlaus Jensen for (i = iocb->nsid + 1; i <= NVME_MAX_NAMESPACES; i++) { 53953bcf26d3SKlaus Jensen iocb->ns = nvme_ns(n, i); 53963bcf26d3SKlaus Jensen if (iocb->ns) { 53973bcf26d3SKlaus Jensen iocb->nsid = i; 539888eea45cSKlaus Jensen break; 539988eea45cSKlaus Jensen } 540088eea45cSKlaus Jensen } 540188eea45cSKlaus Jensen } 540288eea45cSKlaus Jensen 54033bcf26d3SKlaus Jensen if (!iocb->ns) { 54043bcf26d3SKlaus Jensen goto done; 540588eea45cSKlaus Jensen } 540688eea45cSKlaus Jensen 54073bcf26d3SKlaus Jensen status = nvme_format_check(iocb->ns, lbaf, pi); 54083bcf26d3SKlaus Jensen if (status) { 54093bcf26d3SKlaus Jensen req->status = status; 54103bcf26d3SKlaus Jensen goto done; 54113bcf26d3SKlaus Jensen } 54123bcf26d3SKlaus Jensen 54133bcf26d3SKlaus Jensen iocb->ns->status = NVME_FORMAT_IN_PROGRESS; 54143bcf26d3SKlaus Jensen nvme_format_ns_cb(iocb, 0); 54153bcf26d3SKlaus Jensen return; 54163bcf26d3SKlaus Jensen 54173bcf26d3SKlaus Jensen done: 54183bcf26d3SKlaus Jensen qemu_bh_delete(iocb->bh); 54193bcf26d3SKlaus Jensen iocb->bh = NULL; 54203bcf26d3SKlaus Jensen 54213bcf26d3SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 54223bcf26d3SKlaus Jensen 54233bcf26d3SKlaus Jensen qemu_aio_unref(iocb); 54243bcf26d3SKlaus Jensen } 54253bcf26d3SKlaus Jensen 54263bcf26d3SKlaus Jensen static uint16_t nvme_format(NvmeCtrl *n, NvmeRequest *req) 54273bcf26d3SKlaus Jensen { 54283bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb; 54293bcf26d3SKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 54303bcf26d3SKlaus Jensen uint16_t status; 54313bcf26d3SKlaus Jensen 54323bcf26d3SKlaus Jensen iocb = qemu_aio_get(&nvme_format_aiocb_info, NULL, nvme_misc_cb, req); 54333bcf26d3SKlaus Jensen 54343bcf26d3SKlaus Jensen iocb->req = req; 54353bcf26d3SKlaus Jensen iocb->bh = qemu_bh_new(nvme_format_bh, iocb); 54363bcf26d3SKlaus Jensen iocb->ret = 0; 54373bcf26d3SKlaus Jensen iocb->ns = NULL; 54383bcf26d3SKlaus Jensen iocb->nsid = 0; 54393bcf26d3SKlaus Jensen iocb->broadcast = (nsid == NVME_NSID_BROADCAST); 54403bcf26d3SKlaus Jensen iocb->offset = 0; 54413bcf26d3SKlaus Jensen 54423bcf26d3SKlaus Jensen if (!iocb->broadcast) { 54433bcf26d3SKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 54443bcf26d3SKlaus Jensen status = NVME_INVALID_NSID | NVME_DNR; 54453bcf26d3SKlaus Jensen goto out; 54463bcf26d3SKlaus Jensen } 54473bcf26d3SKlaus Jensen 54483bcf26d3SKlaus Jensen iocb->ns = nvme_ns(n, nsid); 54493bcf26d3SKlaus Jensen if (!iocb->ns) { 54503bcf26d3SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 54513bcf26d3SKlaus Jensen goto out; 54523bcf26d3SKlaus Jensen } 54533bcf26d3SKlaus Jensen } 54543bcf26d3SKlaus Jensen 54553bcf26d3SKlaus Jensen req->aiocb = &iocb->common; 54563bcf26d3SKlaus Jensen qemu_bh_schedule(iocb->bh); 54573bcf26d3SKlaus Jensen 54583bcf26d3SKlaus Jensen return NVME_NO_COMPLETE; 54593bcf26d3SKlaus Jensen 54603bcf26d3SKlaus Jensen out: 54613bcf26d3SKlaus Jensen qemu_bh_delete(iocb->bh); 54623bcf26d3SKlaus Jensen iocb->bh = NULL; 54633bcf26d3SKlaus Jensen qemu_aio_unref(iocb); 54643bcf26d3SKlaus Jensen return status; 546588eea45cSKlaus Jensen } 546688eea45cSKlaus Jensen 546788eea45cSKlaus Jensen static uint16_t nvme_admin_cmd(NvmeCtrl *n, NvmeRequest *req) 546888eea45cSKlaus Jensen { 546988eea45cSKlaus Jensen trace_pci_nvme_admin_cmd(nvme_cid(req), nvme_sqid(req), req->cmd.opcode, 547088eea45cSKlaus Jensen nvme_adm_opc_str(req->cmd.opcode)); 547188eea45cSKlaus Jensen 547288eea45cSKlaus Jensen if (!(nvme_cse_acs[req->cmd.opcode] & NVME_CMD_EFF_CSUPP)) { 547388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_admin_opc(req->cmd.opcode); 547488eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 547588eea45cSKlaus Jensen } 547688eea45cSKlaus Jensen 547788eea45cSKlaus Jensen /* SGLs shall not be used for Admin commands in NVMe over PCIe */ 547888eea45cSKlaus Jensen if (NVME_CMD_FLAGS_PSDT(req->cmd.flags) != NVME_PSDT_PRP) { 547988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 548088eea45cSKlaus Jensen } 548188eea45cSKlaus Jensen 5482*c53a9a91SPankaj Raghav if (NVME_CMD_FLAGS_FUSE(req->cmd.flags)) { 5483*c53a9a91SPankaj Raghav return NVME_INVALID_FIELD; 5484*c53a9a91SPankaj Raghav } 5485*c53a9a91SPankaj Raghav 548688eea45cSKlaus Jensen switch (req->cmd.opcode) { 548788eea45cSKlaus Jensen case NVME_ADM_CMD_DELETE_SQ: 548888eea45cSKlaus Jensen return nvme_del_sq(n, req); 548988eea45cSKlaus Jensen case NVME_ADM_CMD_CREATE_SQ: 549088eea45cSKlaus Jensen return nvme_create_sq(n, req); 549188eea45cSKlaus Jensen case NVME_ADM_CMD_GET_LOG_PAGE: 549288eea45cSKlaus Jensen return nvme_get_log(n, req); 549388eea45cSKlaus Jensen case NVME_ADM_CMD_DELETE_CQ: 549488eea45cSKlaus Jensen return nvme_del_cq(n, req); 549588eea45cSKlaus Jensen case NVME_ADM_CMD_CREATE_CQ: 549688eea45cSKlaus Jensen return nvme_create_cq(n, req); 549788eea45cSKlaus Jensen case NVME_ADM_CMD_IDENTIFY: 549888eea45cSKlaus Jensen return nvme_identify(n, req); 549988eea45cSKlaus Jensen case NVME_ADM_CMD_ABORT: 550088eea45cSKlaus Jensen return nvme_abort(n, req); 550188eea45cSKlaus Jensen case NVME_ADM_CMD_SET_FEATURES: 550288eea45cSKlaus Jensen return nvme_set_feature(n, req); 550388eea45cSKlaus Jensen case NVME_ADM_CMD_GET_FEATURES: 550488eea45cSKlaus Jensen return nvme_get_feature(n, req); 550588eea45cSKlaus Jensen case NVME_ADM_CMD_ASYNC_EV_REQ: 550688eea45cSKlaus Jensen return nvme_aer(n, req); 550788eea45cSKlaus Jensen case NVME_ADM_CMD_NS_ATTACHMENT: 550888eea45cSKlaus Jensen return nvme_ns_attachment(n, req); 550988eea45cSKlaus Jensen case NVME_ADM_CMD_FORMAT_NVM: 551088eea45cSKlaus Jensen return nvme_format(n, req); 551188eea45cSKlaus Jensen default: 551288eea45cSKlaus Jensen assert(false); 551388eea45cSKlaus Jensen } 551488eea45cSKlaus Jensen 551588eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 551688eea45cSKlaus Jensen } 551788eea45cSKlaus Jensen 551888eea45cSKlaus Jensen static void nvme_process_sq(void *opaque) 551988eea45cSKlaus Jensen { 552088eea45cSKlaus Jensen NvmeSQueue *sq = opaque; 552188eea45cSKlaus Jensen NvmeCtrl *n = sq->ctrl; 552288eea45cSKlaus Jensen NvmeCQueue *cq = n->cq[sq->cqid]; 552388eea45cSKlaus Jensen 552488eea45cSKlaus Jensen uint16_t status; 552588eea45cSKlaus Jensen hwaddr addr; 552688eea45cSKlaus Jensen NvmeCmd cmd; 552788eea45cSKlaus Jensen NvmeRequest *req; 552888eea45cSKlaus Jensen 552988eea45cSKlaus Jensen while (!(nvme_sq_empty(sq) || QTAILQ_EMPTY(&sq->req_list))) { 553088eea45cSKlaus Jensen addr = sq->dma_addr + sq->head * n->sqe_size; 553188eea45cSKlaus Jensen if (nvme_addr_read(n, addr, (void *)&cmd, sizeof(cmd))) { 553288eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 553388eea45cSKlaus Jensen trace_pci_nvme_err_cfs(); 553449e03457SKlaus Jensen stl_le_p(&n->bar.csts, NVME_CSTS_FAILED); 553588eea45cSKlaus Jensen break; 553688eea45cSKlaus Jensen } 553788eea45cSKlaus Jensen nvme_inc_sq_head(sq); 553888eea45cSKlaus Jensen 553988eea45cSKlaus Jensen req = QTAILQ_FIRST(&sq->req_list); 554088eea45cSKlaus Jensen QTAILQ_REMOVE(&sq->req_list, req, entry); 554188eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->out_req_list, req, entry); 554288eea45cSKlaus Jensen nvme_req_clear(req); 554388eea45cSKlaus Jensen req->cqe.cid = cmd.cid; 554488eea45cSKlaus Jensen memcpy(&req->cmd, &cmd, sizeof(NvmeCmd)); 554588eea45cSKlaus Jensen 554688eea45cSKlaus Jensen status = sq->sqid ? nvme_io_cmd(n, req) : 554788eea45cSKlaus Jensen nvme_admin_cmd(n, req); 554888eea45cSKlaus Jensen if (status != NVME_NO_COMPLETE) { 554988eea45cSKlaus Jensen req->status = status; 555088eea45cSKlaus Jensen nvme_enqueue_req_completion(cq, req); 555188eea45cSKlaus Jensen } 555288eea45cSKlaus Jensen } 555388eea45cSKlaus Jensen } 555488eea45cSKlaus Jensen 555588eea45cSKlaus Jensen static void nvme_ctrl_reset(NvmeCtrl *n) 555688eea45cSKlaus Jensen { 555788eea45cSKlaus Jensen NvmeNamespace *ns; 555888eea45cSKlaus Jensen int i; 555988eea45cSKlaus Jensen 556088eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 556188eea45cSKlaus Jensen ns = nvme_ns(n, i); 556288eea45cSKlaus Jensen if (!ns) { 556388eea45cSKlaus Jensen continue; 556488eea45cSKlaus Jensen } 556588eea45cSKlaus Jensen 556688eea45cSKlaus Jensen nvme_ns_drain(ns); 556788eea45cSKlaus Jensen } 556888eea45cSKlaus Jensen 556988eea45cSKlaus Jensen for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 557088eea45cSKlaus Jensen if (n->sq[i] != NULL) { 557188eea45cSKlaus Jensen nvme_free_sq(n->sq[i], n); 557288eea45cSKlaus Jensen } 557388eea45cSKlaus Jensen } 557488eea45cSKlaus Jensen for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 557588eea45cSKlaus Jensen if (n->cq[i] != NULL) { 557688eea45cSKlaus Jensen nvme_free_cq(n->cq[i], n); 557788eea45cSKlaus Jensen } 557888eea45cSKlaus Jensen } 557988eea45cSKlaus Jensen 558088eea45cSKlaus Jensen while (!QTAILQ_EMPTY(&n->aer_queue)) { 558188eea45cSKlaus Jensen NvmeAsyncEvent *event = QTAILQ_FIRST(&n->aer_queue); 558288eea45cSKlaus Jensen QTAILQ_REMOVE(&n->aer_queue, event, entry); 558388eea45cSKlaus Jensen g_free(event); 558488eea45cSKlaus Jensen } 558588eea45cSKlaus Jensen 558688eea45cSKlaus Jensen n->aer_queued = 0; 558788eea45cSKlaus Jensen n->outstanding_aers = 0; 558888eea45cSKlaus Jensen n->qs_created = false; 558988eea45cSKlaus Jensen } 559088eea45cSKlaus Jensen 559188eea45cSKlaus Jensen static void nvme_ctrl_shutdown(NvmeCtrl *n) 559288eea45cSKlaus Jensen { 559388eea45cSKlaus Jensen NvmeNamespace *ns; 559488eea45cSKlaus Jensen int i; 559588eea45cSKlaus Jensen 559688eea45cSKlaus Jensen if (n->pmr.dev) { 559788eea45cSKlaus Jensen memory_region_msync(&n->pmr.dev->mr, 0, n->pmr.dev->size); 559888eea45cSKlaus Jensen } 559988eea45cSKlaus Jensen 560088eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 560188eea45cSKlaus Jensen ns = nvme_ns(n, i); 560288eea45cSKlaus Jensen if (!ns) { 560388eea45cSKlaus Jensen continue; 560488eea45cSKlaus Jensen } 560588eea45cSKlaus Jensen 560688eea45cSKlaus Jensen nvme_ns_shutdown(ns); 560788eea45cSKlaus Jensen } 560888eea45cSKlaus Jensen } 560988eea45cSKlaus Jensen 561088eea45cSKlaus Jensen static void nvme_select_iocs(NvmeCtrl *n) 561188eea45cSKlaus Jensen { 561288eea45cSKlaus Jensen NvmeNamespace *ns; 561388eea45cSKlaus Jensen int i; 561488eea45cSKlaus Jensen 561588eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 561688eea45cSKlaus Jensen ns = nvme_ns(n, i); 561788eea45cSKlaus Jensen if (!ns) { 561888eea45cSKlaus Jensen continue; 561988eea45cSKlaus Jensen } 562088eea45cSKlaus Jensen 562188eea45cSKlaus Jensen nvme_select_iocs_ns(n, ns); 562288eea45cSKlaus Jensen } 562388eea45cSKlaus Jensen } 562488eea45cSKlaus Jensen 562588eea45cSKlaus Jensen static int nvme_start_ctrl(NvmeCtrl *n) 562688eea45cSKlaus Jensen { 562749e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 562849e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 562949e03457SKlaus Jensen uint32_t aqa = ldl_le_p(&n->bar.aqa); 563049e03457SKlaus Jensen uint64_t asq = ldq_le_p(&n->bar.asq); 563149e03457SKlaus Jensen uint64_t acq = ldq_le_p(&n->bar.acq); 563249e03457SKlaus Jensen uint32_t page_bits = NVME_CC_MPS(cc) + 12; 563388eea45cSKlaus Jensen uint32_t page_size = 1 << page_bits; 563488eea45cSKlaus Jensen 563588eea45cSKlaus Jensen if (unlikely(n->cq[0])) { 563688eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cq(); 563788eea45cSKlaus Jensen return -1; 563888eea45cSKlaus Jensen } 563988eea45cSKlaus Jensen if (unlikely(n->sq[0])) { 564088eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sq(); 564188eea45cSKlaus Jensen return -1; 564288eea45cSKlaus Jensen } 564349e03457SKlaus Jensen if (unlikely(asq & (page_size - 1))) { 564449e03457SKlaus Jensen trace_pci_nvme_err_startfail_asq_misaligned(asq); 564588eea45cSKlaus Jensen return -1; 564688eea45cSKlaus Jensen } 564749e03457SKlaus Jensen if (unlikely(acq & (page_size - 1))) { 564849e03457SKlaus Jensen trace_pci_nvme_err_startfail_acq_misaligned(acq); 564988eea45cSKlaus Jensen return -1; 565088eea45cSKlaus Jensen } 565149e03457SKlaus Jensen if (unlikely(!(NVME_CAP_CSS(cap) & (1 << NVME_CC_CSS(cc))))) { 565249e03457SKlaus Jensen trace_pci_nvme_err_startfail_css(NVME_CC_CSS(cc)); 565388eea45cSKlaus Jensen return -1; 565488eea45cSKlaus Jensen } 565549e03457SKlaus Jensen if (unlikely(NVME_CC_MPS(cc) < NVME_CAP_MPSMIN(cap))) { 565688eea45cSKlaus Jensen trace_pci_nvme_err_startfail_page_too_small( 565749e03457SKlaus Jensen NVME_CC_MPS(cc), 565849e03457SKlaus Jensen NVME_CAP_MPSMIN(cap)); 565988eea45cSKlaus Jensen return -1; 566088eea45cSKlaus Jensen } 566149e03457SKlaus Jensen if (unlikely(NVME_CC_MPS(cc) > 566249e03457SKlaus Jensen NVME_CAP_MPSMAX(cap))) { 566388eea45cSKlaus Jensen trace_pci_nvme_err_startfail_page_too_large( 566449e03457SKlaus Jensen NVME_CC_MPS(cc), 566549e03457SKlaus Jensen NVME_CAP_MPSMAX(cap)); 566688eea45cSKlaus Jensen return -1; 566788eea45cSKlaus Jensen } 566849e03457SKlaus Jensen if (unlikely(NVME_CC_IOCQES(cc) < 566988eea45cSKlaus Jensen NVME_CTRL_CQES_MIN(n->id_ctrl.cqes))) { 567088eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cqent_too_small( 567149e03457SKlaus Jensen NVME_CC_IOCQES(cc), 567249e03457SKlaus Jensen NVME_CTRL_CQES_MIN(cap)); 567388eea45cSKlaus Jensen return -1; 567488eea45cSKlaus Jensen } 567549e03457SKlaus Jensen if (unlikely(NVME_CC_IOCQES(cc) > 567688eea45cSKlaus Jensen NVME_CTRL_CQES_MAX(n->id_ctrl.cqes))) { 567788eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cqent_too_large( 567849e03457SKlaus Jensen NVME_CC_IOCQES(cc), 567949e03457SKlaus Jensen NVME_CTRL_CQES_MAX(cap)); 568088eea45cSKlaus Jensen return -1; 568188eea45cSKlaus Jensen } 568249e03457SKlaus Jensen if (unlikely(NVME_CC_IOSQES(cc) < 568388eea45cSKlaus Jensen NVME_CTRL_SQES_MIN(n->id_ctrl.sqes))) { 568488eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sqent_too_small( 568549e03457SKlaus Jensen NVME_CC_IOSQES(cc), 568649e03457SKlaus Jensen NVME_CTRL_SQES_MIN(cap)); 568788eea45cSKlaus Jensen return -1; 568888eea45cSKlaus Jensen } 568949e03457SKlaus Jensen if (unlikely(NVME_CC_IOSQES(cc) > 569088eea45cSKlaus Jensen NVME_CTRL_SQES_MAX(n->id_ctrl.sqes))) { 569188eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sqent_too_large( 569249e03457SKlaus Jensen NVME_CC_IOSQES(cc), 569349e03457SKlaus Jensen NVME_CTRL_SQES_MAX(cap)); 569488eea45cSKlaus Jensen return -1; 569588eea45cSKlaus Jensen } 569649e03457SKlaus Jensen if (unlikely(!NVME_AQA_ASQS(aqa))) { 569788eea45cSKlaus Jensen trace_pci_nvme_err_startfail_asqent_sz_zero(); 569888eea45cSKlaus Jensen return -1; 569988eea45cSKlaus Jensen } 570049e03457SKlaus Jensen if (unlikely(!NVME_AQA_ACQS(aqa))) { 570188eea45cSKlaus Jensen trace_pci_nvme_err_startfail_acqent_sz_zero(); 570288eea45cSKlaus Jensen return -1; 570388eea45cSKlaus Jensen } 570488eea45cSKlaus Jensen 570588eea45cSKlaus Jensen n->page_bits = page_bits; 570688eea45cSKlaus Jensen n->page_size = page_size; 570788eea45cSKlaus Jensen n->max_prp_ents = n->page_size / sizeof(uint64_t); 570849e03457SKlaus Jensen n->cqe_size = 1 << NVME_CC_IOCQES(cc); 570949e03457SKlaus Jensen n->sqe_size = 1 << NVME_CC_IOSQES(cc); 571049e03457SKlaus Jensen nvme_init_cq(&n->admin_cq, n, acq, 0, 0, NVME_AQA_ACQS(aqa) + 1, 1); 571149e03457SKlaus Jensen nvme_init_sq(&n->admin_sq, n, asq, 0, 0, NVME_AQA_ASQS(aqa) + 1); 571288eea45cSKlaus Jensen 571388eea45cSKlaus Jensen nvme_set_timestamp(n, 0ULL); 571488eea45cSKlaus Jensen 571588eea45cSKlaus Jensen QTAILQ_INIT(&n->aer_queue); 571688eea45cSKlaus Jensen 571788eea45cSKlaus Jensen nvme_select_iocs(n); 571888eea45cSKlaus Jensen 571988eea45cSKlaus Jensen return 0; 572088eea45cSKlaus Jensen } 572188eea45cSKlaus Jensen 572288eea45cSKlaus Jensen static void nvme_cmb_enable_regs(NvmeCtrl *n) 572388eea45cSKlaus Jensen { 572449e03457SKlaus Jensen uint32_t cmbloc = ldl_le_p(&n->bar.cmbloc); 572549e03457SKlaus Jensen uint32_t cmbsz = ldl_le_p(&n->bar.cmbsz); 572688eea45cSKlaus Jensen 572749e03457SKlaus Jensen NVME_CMBLOC_SET_CDPCILS(cmbloc, 1); 572849e03457SKlaus Jensen NVME_CMBLOC_SET_CDPMLS(cmbloc, 1); 572949e03457SKlaus Jensen NVME_CMBLOC_SET_BIR(cmbloc, NVME_CMB_BIR); 573049e03457SKlaus Jensen stl_le_p(&n->bar.cmbloc, cmbloc); 573149e03457SKlaus Jensen 573249e03457SKlaus Jensen NVME_CMBSZ_SET_SQS(cmbsz, 1); 573349e03457SKlaus Jensen NVME_CMBSZ_SET_CQS(cmbsz, 0); 573449e03457SKlaus Jensen NVME_CMBSZ_SET_LISTS(cmbsz, 1); 573549e03457SKlaus Jensen NVME_CMBSZ_SET_RDS(cmbsz, 1); 573649e03457SKlaus Jensen NVME_CMBSZ_SET_WDS(cmbsz, 1); 573749e03457SKlaus Jensen NVME_CMBSZ_SET_SZU(cmbsz, 2); /* MBs */ 573849e03457SKlaus Jensen NVME_CMBSZ_SET_SZ(cmbsz, n->params.cmb_size_mb); 573949e03457SKlaus Jensen stl_le_p(&n->bar.cmbsz, cmbsz); 574088eea45cSKlaus Jensen } 574188eea45cSKlaus Jensen 574288eea45cSKlaus Jensen static void nvme_write_bar(NvmeCtrl *n, hwaddr offset, uint64_t data, 574388eea45cSKlaus Jensen unsigned size) 574488eea45cSKlaus Jensen { 574549e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 574649e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 574749e03457SKlaus Jensen uint32_t intms = ldl_le_p(&n->bar.intms); 574849e03457SKlaus Jensen uint32_t csts = ldl_le_p(&n->bar.csts); 574949e03457SKlaus Jensen uint32_t pmrsts = ldl_le_p(&n->bar.pmrsts); 575049e03457SKlaus Jensen 575188eea45cSKlaus Jensen if (unlikely(offset & (sizeof(uint32_t) - 1))) { 575288eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_misaligned32, 575388eea45cSKlaus Jensen "MMIO write not 32-bit aligned," 575488eea45cSKlaus Jensen " offset=0x%"PRIx64"", offset); 575588eea45cSKlaus Jensen /* should be ignored, fall through for now */ 575688eea45cSKlaus Jensen } 575788eea45cSKlaus Jensen 575888eea45cSKlaus Jensen if (unlikely(size < sizeof(uint32_t))) { 575988eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_toosmall, 576088eea45cSKlaus Jensen "MMIO write smaller than 32-bits," 576188eea45cSKlaus Jensen " offset=0x%"PRIx64", size=%u", 576288eea45cSKlaus Jensen offset, size); 576388eea45cSKlaus Jensen /* should be ignored, fall through for now */ 576488eea45cSKlaus Jensen } 576588eea45cSKlaus Jensen 576688eea45cSKlaus Jensen switch (offset) { 5767a316aa50SKlaus Jensen case NVME_REG_INTMS: 576888eea45cSKlaus Jensen if (unlikely(msix_enabled(&(n->parent_obj)))) { 576988eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_intmask_with_msix, 577088eea45cSKlaus Jensen "undefined access to interrupt mask set" 577188eea45cSKlaus Jensen " when MSI-X is enabled"); 577288eea45cSKlaus Jensen /* should be ignored, fall through for now */ 577388eea45cSKlaus Jensen } 577449e03457SKlaus Jensen intms |= data; 577549e03457SKlaus Jensen stl_le_p(&n->bar.intms, intms); 577688eea45cSKlaus Jensen n->bar.intmc = n->bar.intms; 577749e03457SKlaus Jensen trace_pci_nvme_mmio_intm_set(data & 0xffffffff, intms); 577888eea45cSKlaus Jensen nvme_irq_check(n); 577988eea45cSKlaus Jensen break; 5780a316aa50SKlaus Jensen case NVME_REG_INTMC: 578188eea45cSKlaus Jensen if (unlikely(msix_enabled(&(n->parent_obj)))) { 578288eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_intmask_with_msix, 578388eea45cSKlaus Jensen "undefined access to interrupt mask clr" 578488eea45cSKlaus Jensen " when MSI-X is enabled"); 578588eea45cSKlaus Jensen /* should be ignored, fall through for now */ 578688eea45cSKlaus Jensen } 578749e03457SKlaus Jensen intms &= ~data; 578849e03457SKlaus Jensen stl_le_p(&n->bar.intms, intms); 578988eea45cSKlaus Jensen n->bar.intmc = n->bar.intms; 579049e03457SKlaus Jensen trace_pci_nvme_mmio_intm_clr(data & 0xffffffff, intms); 579188eea45cSKlaus Jensen nvme_irq_check(n); 579288eea45cSKlaus Jensen break; 5793a316aa50SKlaus Jensen case NVME_REG_CC: 579488eea45cSKlaus Jensen trace_pci_nvme_mmio_cfg(data & 0xffffffff); 579549e03457SKlaus Jensen 579688eea45cSKlaus Jensen /* Windows first sends data, then sends enable bit */ 579749e03457SKlaus Jensen if (!NVME_CC_EN(data) && !NVME_CC_EN(cc) && 579849e03457SKlaus Jensen !NVME_CC_SHN(data) && !NVME_CC_SHN(cc)) 579988eea45cSKlaus Jensen { 580049e03457SKlaus Jensen cc = data; 580188eea45cSKlaus Jensen } 580288eea45cSKlaus Jensen 580349e03457SKlaus Jensen if (NVME_CC_EN(data) && !NVME_CC_EN(cc)) { 580449e03457SKlaus Jensen cc = data; 580549e03457SKlaus Jensen 580649e03457SKlaus Jensen /* flush CC since nvme_start_ctrl() needs the value */ 580749e03457SKlaus Jensen stl_le_p(&n->bar.cc, cc); 580888eea45cSKlaus Jensen if (unlikely(nvme_start_ctrl(n))) { 580988eea45cSKlaus Jensen trace_pci_nvme_err_startfail(); 581049e03457SKlaus Jensen csts = NVME_CSTS_FAILED; 581188eea45cSKlaus Jensen } else { 581288eea45cSKlaus Jensen trace_pci_nvme_mmio_start_success(); 581349e03457SKlaus Jensen csts = NVME_CSTS_READY; 581488eea45cSKlaus Jensen } 581549e03457SKlaus Jensen } else if (!NVME_CC_EN(data) && NVME_CC_EN(cc)) { 581688eea45cSKlaus Jensen trace_pci_nvme_mmio_stopped(); 581788eea45cSKlaus Jensen nvme_ctrl_reset(n); 581849e03457SKlaus Jensen cc = 0; 581949e03457SKlaus Jensen csts &= ~NVME_CSTS_READY; 582088eea45cSKlaus Jensen } 582149e03457SKlaus Jensen 582249e03457SKlaus Jensen if (NVME_CC_SHN(data) && !(NVME_CC_SHN(cc))) { 582388eea45cSKlaus Jensen trace_pci_nvme_mmio_shutdown_set(); 582488eea45cSKlaus Jensen nvme_ctrl_shutdown(n); 582549e03457SKlaus Jensen cc = data; 582649e03457SKlaus Jensen csts |= NVME_CSTS_SHST_COMPLETE; 582749e03457SKlaus Jensen } else if (!NVME_CC_SHN(data) && NVME_CC_SHN(cc)) { 582888eea45cSKlaus Jensen trace_pci_nvme_mmio_shutdown_cleared(); 582949e03457SKlaus Jensen csts &= ~NVME_CSTS_SHST_COMPLETE; 583049e03457SKlaus Jensen cc = data; 583188eea45cSKlaus Jensen } 583249e03457SKlaus Jensen 583349e03457SKlaus Jensen stl_le_p(&n->bar.cc, cc); 583449e03457SKlaus Jensen stl_le_p(&n->bar.csts, csts); 583549e03457SKlaus Jensen 583688eea45cSKlaus Jensen break; 5837a316aa50SKlaus Jensen case NVME_REG_CSTS: 583888eea45cSKlaus Jensen if (data & (1 << 4)) { 583988eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_ssreset_w1c_unsupported, 584088eea45cSKlaus Jensen "attempted to W1C CSTS.NSSRO" 584188eea45cSKlaus Jensen " but CAP.NSSRS is zero (not supported)"); 584288eea45cSKlaus Jensen } else if (data != 0) { 584388eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_ro_csts, 584488eea45cSKlaus Jensen "attempted to set a read only bit" 584588eea45cSKlaus Jensen " of controller status"); 584688eea45cSKlaus Jensen } 584788eea45cSKlaus Jensen break; 5848a316aa50SKlaus Jensen case NVME_REG_NSSR: 584988eea45cSKlaus Jensen if (data == 0x4e564d65) { 585088eea45cSKlaus Jensen trace_pci_nvme_ub_mmiowr_ssreset_unsupported(); 585188eea45cSKlaus Jensen } else { 585288eea45cSKlaus Jensen /* The spec says that writes of other values have no effect */ 585388eea45cSKlaus Jensen return; 585488eea45cSKlaus Jensen } 585588eea45cSKlaus Jensen break; 5856a316aa50SKlaus Jensen case NVME_REG_AQA: 585749e03457SKlaus Jensen stl_le_p(&n->bar.aqa, data); 585888eea45cSKlaus Jensen trace_pci_nvme_mmio_aqattr(data & 0xffffffff); 585988eea45cSKlaus Jensen break; 5860a316aa50SKlaus Jensen case NVME_REG_ASQ: 586149e03457SKlaus Jensen stn_le_p(&n->bar.asq, size, data); 586288eea45cSKlaus Jensen trace_pci_nvme_mmio_asqaddr(data); 586388eea45cSKlaus Jensen break; 5864a316aa50SKlaus Jensen case NVME_REG_ASQ + 4: 586549e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.asq + 4, data); 586649e03457SKlaus Jensen trace_pci_nvme_mmio_asqaddr_hi(data, ldq_le_p(&n->bar.asq)); 586788eea45cSKlaus Jensen break; 5868a316aa50SKlaus Jensen case NVME_REG_ACQ: 586988eea45cSKlaus Jensen trace_pci_nvme_mmio_acqaddr(data); 587049e03457SKlaus Jensen stn_le_p(&n->bar.acq, size, data); 587188eea45cSKlaus Jensen break; 5872a316aa50SKlaus Jensen case NVME_REG_ACQ + 4: 587349e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.acq + 4, data); 587449e03457SKlaus Jensen trace_pci_nvme_mmio_acqaddr_hi(data, ldq_le_p(&n->bar.acq)); 587588eea45cSKlaus Jensen break; 5876a316aa50SKlaus Jensen case NVME_REG_CMBLOC: 587788eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_cmbloc_reserved, 587888eea45cSKlaus Jensen "invalid write to reserved CMBLOC" 587988eea45cSKlaus Jensen " when CMBSZ is zero, ignored"); 588088eea45cSKlaus Jensen return; 5881a316aa50SKlaus Jensen case NVME_REG_CMBSZ: 588288eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_cmbsz_readonly, 588388eea45cSKlaus Jensen "invalid write to read only CMBSZ, ignored"); 588488eea45cSKlaus Jensen return; 5885a316aa50SKlaus Jensen case NVME_REG_CMBMSC: 588649e03457SKlaus Jensen if (!NVME_CAP_CMBS(cap)) { 588788eea45cSKlaus Jensen return; 588888eea45cSKlaus Jensen } 588988eea45cSKlaus Jensen 589049e03457SKlaus Jensen stn_le_p(&n->bar.cmbmsc, size, data); 589188eea45cSKlaus Jensen n->cmb.cmse = false; 589288eea45cSKlaus Jensen 589388eea45cSKlaus Jensen if (NVME_CMBMSC_CRE(data)) { 589488eea45cSKlaus Jensen nvme_cmb_enable_regs(n); 589588eea45cSKlaus Jensen 589688eea45cSKlaus Jensen if (NVME_CMBMSC_CMSE(data)) { 589749e03457SKlaus Jensen uint64_t cmbmsc = ldq_le_p(&n->bar.cmbmsc); 589849e03457SKlaus Jensen hwaddr cba = NVME_CMBMSC_CBA(cmbmsc) << CMBMSC_CBA_SHIFT; 589988eea45cSKlaus Jensen if (cba + int128_get64(n->cmb.mem.size) < cba) { 590049e03457SKlaus Jensen uint32_t cmbsts = ldl_le_p(&n->bar.cmbsts); 590149e03457SKlaus Jensen NVME_CMBSTS_SET_CBAI(cmbsts, 1); 590249e03457SKlaus Jensen stl_le_p(&n->bar.cmbsts, cmbsts); 590388eea45cSKlaus Jensen return; 590488eea45cSKlaus Jensen } 590588eea45cSKlaus Jensen 590688eea45cSKlaus Jensen n->cmb.cba = cba; 590788eea45cSKlaus Jensen n->cmb.cmse = true; 590888eea45cSKlaus Jensen } 590988eea45cSKlaus Jensen } else { 591088eea45cSKlaus Jensen n->bar.cmbsz = 0; 591188eea45cSKlaus Jensen n->bar.cmbloc = 0; 591288eea45cSKlaus Jensen } 591388eea45cSKlaus Jensen 591488eea45cSKlaus Jensen return; 5915a316aa50SKlaus Jensen case NVME_REG_CMBMSC + 4: 591649e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.cmbmsc + 4, data); 591788eea45cSKlaus Jensen return; 591888eea45cSKlaus Jensen 5919a316aa50SKlaus Jensen case NVME_REG_PMRCAP: 592088eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrcap_readonly, 592188eea45cSKlaus Jensen "invalid write to PMRCAP register, ignored"); 592288eea45cSKlaus Jensen return; 5923a316aa50SKlaus Jensen case NVME_REG_PMRCTL: 592449e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 59252b02aabcSKlaus Jensen return; 59262b02aabcSKlaus Jensen } 59272b02aabcSKlaus Jensen 592849e03457SKlaus Jensen stl_le_p(&n->bar.pmrctl, data); 592988eea45cSKlaus Jensen if (NVME_PMRCTL_EN(data)) { 593088eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, true); 593149e03457SKlaus Jensen pmrsts = 0; 593288eea45cSKlaus Jensen } else { 593388eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, false); 593449e03457SKlaus Jensen NVME_PMRSTS_SET_NRDY(pmrsts, 1); 593588eea45cSKlaus Jensen n->pmr.cmse = false; 593688eea45cSKlaus Jensen } 593749e03457SKlaus Jensen stl_le_p(&n->bar.pmrsts, pmrsts); 593888eea45cSKlaus Jensen return; 5939a316aa50SKlaus Jensen case NVME_REG_PMRSTS: 594088eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrsts_readonly, 594188eea45cSKlaus Jensen "invalid write to PMRSTS register, ignored"); 594288eea45cSKlaus Jensen return; 5943a316aa50SKlaus Jensen case NVME_REG_PMREBS: 594488eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrebs_readonly, 594588eea45cSKlaus Jensen "invalid write to PMREBS register, ignored"); 594688eea45cSKlaus Jensen return; 5947a316aa50SKlaus Jensen case NVME_REG_PMRSWTP: 594888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrswtp_readonly, 594988eea45cSKlaus Jensen "invalid write to PMRSWTP register, ignored"); 595088eea45cSKlaus Jensen return; 5951a316aa50SKlaus Jensen case NVME_REG_PMRMSCL: 595249e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 595388eea45cSKlaus Jensen return; 595488eea45cSKlaus Jensen } 595588eea45cSKlaus Jensen 595649e03457SKlaus Jensen stl_le_p(&n->bar.pmrmscl, data); 595788eea45cSKlaus Jensen n->pmr.cmse = false; 595888eea45cSKlaus Jensen 595949e03457SKlaus Jensen if (NVME_PMRMSCL_CMSE(data)) { 596049e03457SKlaus Jensen uint64_t pmrmscu = ldl_le_p(&n->bar.pmrmscu); 596149e03457SKlaus Jensen hwaddr cba = pmrmscu << 32 | 596249e03457SKlaus Jensen (NVME_PMRMSCL_CBA(data) << PMRMSCL_CBA_SHIFT); 596388eea45cSKlaus Jensen if (cba + int128_get64(n->pmr.dev->mr.size) < cba) { 596449e03457SKlaus Jensen NVME_PMRSTS_SET_CBAI(pmrsts, 1); 596549e03457SKlaus Jensen stl_le_p(&n->bar.pmrsts, pmrsts); 596688eea45cSKlaus Jensen return; 596788eea45cSKlaus Jensen } 596888eea45cSKlaus Jensen 596988eea45cSKlaus Jensen n->pmr.cmse = true; 597088eea45cSKlaus Jensen n->pmr.cba = cba; 597188eea45cSKlaus Jensen } 597288eea45cSKlaus Jensen 597388eea45cSKlaus Jensen return; 5974a316aa50SKlaus Jensen case NVME_REG_PMRMSCU: 597549e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 597688eea45cSKlaus Jensen return; 597788eea45cSKlaus Jensen } 597888eea45cSKlaus Jensen 597949e03457SKlaus Jensen stl_le_p(&n->bar.pmrmscu, data); 598088eea45cSKlaus Jensen return; 598188eea45cSKlaus Jensen default: 598288eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_invalid, 598388eea45cSKlaus Jensen "invalid MMIO write," 598488eea45cSKlaus Jensen " offset=0x%"PRIx64", data=%"PRIx64"", 598588eea45cSKlaus Jensen offset, data); 598688eea45cSKlaus Jensen break; 598788eea45cSKlaus Jensen } 598888eea45cSKlaus Jensen } 598988eea45cSKlaus Jensen 599088eea45cSKlaus Jensen static uint64_t nvme_mmio_read(void *opaque, hwaddr addr, unsigned size) 599188eea45cSKlaus Jensen { 599288eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 599388eea45cSKlaus Jensen uint8_t *ptr = (uint8_t *)&n->bar; 599488eea45cSKlaus Jensen 599588eea45cSKlaus Jensen trace_pci_nvme_mmio_read(addr, size); 599688eea45cSKlaus Jensen 599788eea45cSKlaus Jensen if (unlikely(addr & (sizeof(uint32_t) - 1))) { 599888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_misaligned32, 599988eea45cSKlaus Jensen "MMIO read not 32-bit aligned," 600088eea45cSKlaus Jensen " offset=0x%"PRIx64"", addr); 600188eea45cSKlaus Jensen /* should RAZ, fall through for now */ 600288eea45cSKlaus Jensen } else if (unlikely(size < sizeof(uint32_t))) { 600388eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_toosmall, 600488eea45cSKlaus Jensen "MMIO read smaller than 32-bits," 600588eea45cSKlaus Jensen " offset=0x%"PRIx64"", addr); 600688eea45cSKlaus Jensen /* should RAZ, fall through for now */ 600788eea45cSKlaus Jensen } 600888eea45cSKlaus Jensen 60095029de44SKlaus Jensen if (addr > sizeof(n->bar) - size) { 60105029de44SKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_invalid_ofs, 60115029de44SKlaus Jensen "MMIO read beyond last register," 60125029de44SKlaus Jensen " offset=0x%"PRIx64", returning 0", addr); 60135029de44SKlaus Jensen 60145029de44SKlaus Jensen return 0; 60155029de44SKlaus Jensen } 60165029de44SKlaus Jensen 601788eea45cSKlaus Jensen /* 601888eea45cSKlaus Jensen * When PMRWBM bit 1 is set then read from 601988eea45cSKlaus Jensen * from PMRSTS should ensure prior writes 602088eea45cSKlaus Jensen * made it to persistent media 602188eea45cSKlaus Jensen */ 6022a316aa50SKlaus Jensen if (addr == NVME_REG_PMRSTS && 602349e03457SKlaus Jensen (NVME_PMRCAP_PMRWBM(ldl_le_p(&n->bar.pmrcap)) & 0x02)) { 602488eea45cSKlaus Jensen memory_region_msync(&n->pmr.dev->mr, 0, n->pmr.dev->size); 602588eea45cSKlaus Jensen } 60265029de44SKlaus Jensen 602749e03457SKlaus Jensen return ldn_le_p(ptr + addr, size); 602888eea45cSKlaus Jensen } 602988eea45cSKlaus Jensen 603088eea45cSKlaus Jensen static void nvme_process_db(NvmeCtrl *n, hwaddr addr, int val) 603188eea45cSKlaus Jensen { 603288eea45cSKlaus Jensen uint32_t qid; 603388eea45cSKlaus Jensen 603488eea45cSKlaus Jensen if (unlikely(addr & ((1 << 2) - 1))) { 603588eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_misaligned, 603688eea45cSKlaus Jensen "doorbell write not 32-bit aligned," 603788eea45cSKlaus Jensen " offset=0x%"PRIx64", ignoring", addr); 603888eea45cSKlaus Jensen return; 603988eea45cSKlaus Jensen } 604088eea45cSKlaus Jensen 604188eea45cSKlaus Jensen if (((addr - 0x1000) >> 2) & 1) { 604288eea45cSKlaus Jensen /* Completion queue doorbell write */ 604388eea45cSKlaus Jensen 604488eea45cSKlaus Jensen uint16_t new_head = val & 0xffff; 604588eea45cSKlaus Jensen int start_sqs; 604688eea45cSKlaus Jensen NvmeCQueue *cq; 604788eea45cSKlaus Jensen 604888eea45cSKlaus Jensen qid = (addr - (0x1000 + (1 << 2))) >> 3; 604988eea45cSKlaus Jensen if (unlikely(nvme_check_cqid(n, qid))) { 605088eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_cq, 605188eea45cSKlaus Jensen "completion queue doorbell write" 605288eea45cSKlaus Jensen " for nonexistent queue," 605388eea45cSKlaus Jensen " sqid=%"PRIu32", ignoring", qid); 605488eea45cSKlaus Jensen 605588eea45cSKlaus Jensen /* 605688eea45cSKlaus Jensen * NVM Express v1.3d, Section 4.1 state: "If host software writes 605788eea45cSKlaus Jensen * an invalid value to the Submission Queue Tail Doorbell or 605888eea45cSKlaus Jensen * Completion Queue Head Doorbell regiter and an Asynchronous Event 605988eea45cSKlaus Jensen * Request command is outstanding, then an asynchronous event is 606088eea45cSKlaus Jensen * posted to the Admin Completion Queue with a status code of 606188eea45cSKlaus Jensen * Invalid Doorbell Write Value." 606288eea45cSKlaus Jensen * 606388eea45cSKlaus Jensen * Also note that the spec includes the "Invalid Doorbell Register" 606488eea45cSKlaus Jensen * status code, but nowhere does it specify when to use it. 606588eea45cSKlaus Jensen * However, it seems reasonable to use it here in a similar 606688eea45cSKlaus Jensen * fashion. 606788eea45cSKlaus Jensen */ 606888eea45cSKlaus Jensen if (n->outstanding_aers) { 606988eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 607088eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_REGISTER, 607188eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 607288eea45cSKlaus Jensen } 607388eea45cSKlaus Jensen 607488eea45cSKlaus Jensen return; 607588eea45cSKlaus Jensen } 607688eea45cSKlaus Jensen 607788eea45cSKlaus Jensen cq = n->cq[qid]; 607888eea45cSKlaus Jensen if (unlikely(new_head >= cq->size)) { 607988eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_cqhead, 608088eea45cSKlaus Jensen "completion queue doorbell write value" 608188eea45cSKlaus Jensen " beyond queue size, sqid=%"PRIu32"," 608288eea45cSKlaus Jensen " new_head=%"PRIu16", ignoring", 608388eea45cSKlaus Jensen qid, new_head); 608488eea45cSKlaus Jensen 608588eea45cSKlaus Jensen if (n->outstanding_aers) { 608688eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 608788eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_VALUE, 608888eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 608988eea45cSKlaus Jensen } 609088eea45cSKlaus Jensen 609188eea45cSKlaus Jensen return; 609288eea45cSKlaus Jensen } 609388eea45cSKlaus Jensen 609488eea45cSKlaus Jensen trace_pci_nvme_mmio_doorbell_cq(cq->cqid, new_head); 609588eea45cSKlaus Jensen 609688eea45cSKlaus Jensen start_sqs = nvme_cq_full(cq) ? 1 : 0; 609788eea45cSKlaus Jensen cq->head = new_head; 609888eea45cSKlaus Jensen if (start_sqs) { 609988eea45cSKlaus Jensen NvmeSQueue *sq; 610088eea45cSKlaus Jensen QTAILQ_FOREACH(sq, &cq->sq_list, entry) { 610188eea45cSKlaus Jensen timer_mod(sq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); 610288eea45cSKlaus Jensen } 610388eea45cSKlaus Jensen timer_mod(cq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); 610488eea45cSKlaus Jensen } 610588eea45cSKlaus Jensen 610688eea45cSKlaus Jensen if (cq->tail == cq->head) { 610783d7ed5cSKlaus Jensen if (cq->irq_enabled) { 610883d7ed5cSKlaus Jensen n->cq_pending--; 610983d7ed5cSKlaus Jensen } 611083d7ed5cSKlaus Jensen 611188eea45cSKlaus Jensen nvme_irq_deassert(n, cq); 611288eea45cSKlaus Jensen } 611388eea45cSKlaus Jensen } else { 611488eea45cSKlaus Jensen /* Submission queue doorbell write */ 611588eea45cSKlaus Jensen 611688eea45cSKlaus Jensen uint16_t new_tail = val & 0xffff; 611788eea45cSKlaus Jensen NvmeSQueue *sq; 611888eea45cSKlaus Jensen 611988eea45cSKlaus Jensen qid = (addr - 0x1000) >> 3; 612088eea45cSKlaus Jensen if (unlikely(nvme_check_sqid(n, qid))) { 612188eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_sq, 612288eea45cSKlaus Jensen "submission queue doorbell write" 612388eea45cSKlaus Jensen " for nonexistent queue," 612488eea45cSKlaus Jensen " sqid=%"PRIu32", ignoring", qid); 612588eea45cSKlaus Jensen 612688eea45cSKlaus Jensen if (n->outstanding_aers) { 612788eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 612888eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_REGISTER, 612988eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 613088eea45cSKlaus Jensen } 613188eea45cSKlaus Jensen 613288eea45cSKlaus Jensen return; 613388eea45cSKlaus Jensen } 613488eea45cSKlaus Jensen 613588eea45cSKlaus Jensen sq = n->sq[qid]; 613688eea45cSKlaus Jensen if (unlikely(new_tail >= sq->size)) { 613788eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_sqtail, 613888eea45cSKlaus Jensen "submission queue doorbell write value" 613988eea45cSKlaus Jensen " beyond queue size, sqid=%"PRIu32"," 614088eea45cSKlaus Jensen " new_tail=%"PRIu16", ignoring", 614188eea45cSKlaus Jensen qid, new_tail); 614288eea45cSKlaus Jensen 614388eea45cSKlaus Jensen if (n->outstanding_aers) { 614488eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 614588eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_VALUE, 614688eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 614788eea45cSKlaus Jensen } 614888eea45cSKlaus Jensen 614988eea45cSKlaus Jensen return; 615088eea45cSKlaus Jensen } 615188eea45cSKlaus Jensen 615288eea45cSKlaus Jensen trace_pci_nvme_mmio_doorbell_sq(sq->sqid, new_tail); 615388eea45cSKlaus Jensen 615488eea45cSKlaus Jensen sq->tail = new_tail; 615588eea45cSKlaus Jensen timer_mod(sq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); 615688eea45cSKlaus Jensen } 615788eea45cSKlaus Jensen } 615888eea45cSKlaus Jensen 615988eea45cSKlaus Jensen static void nvme_mmio_write(void *opaque, hwaddr addr, uint64_t data, 616088eea45cSKlaus Jensen unsigned size) 616188eea45cSKlaus Jensen { 616288eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 616388eea45cSKlaus Jensen 616488eea45cSKlaus Jensen trace_pci_nvme_mmio_write(addr, data, size); 616588eea45cSKlaus Jensen 616688eea45cSKlaus Jensen if (addr < sizeof(n->bar)) { 616788eea45cSKlaus Jensen nvme_write_bar(n, addr, data, size); 616888eea45cSKlaus Jensen } else { 616988eea45cSKlaus Jensen nvme_process_db(n, addr, data); 617088eea45cSKlaus Jensen } 617188eea45cSKlaus Jensen } 617288eea45cSKlaus Jensen 617388eea45cSKlaus Jensen static const MemoryRegionOps nvme_mmio_ops = { 617488eea45cSKlaus Jensen .read = nvme_mmio_read, 617588eea45cSKlaus Jensen .write = nvme_mmio_write, 617688eea45cSKlaus Jensen .endianness = DEVICE_LITTLE_ENDIAN, 617788eea45cSKlaus Jensen .impl = { 617888eea45cSKlaus Jensen .min_access_size = 2, 617988eea45cSKlaus Jensen .max_access_size = 8, 618088eea45cSKlaus Jensen }, 618188eea45cSKlaus Jensen }; 618288eea45cSKlaus Jensen 618388eea45cSKlaus Jensen static void nvme_cmb_write(void *opaque, hwaddr addr, uint64_t data, 618488eea45cSKlaus Jensen unsigned size) 618588eea45cSKlaus Jensen { 618688eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 618788eea45cSKlaus Jensen stn_le_p(&n->cmb.buf[addr], size, data); 618888eea45cSKlaus Jensen } 618988eea45cSKlaus Jensen 619088eea45cSKlaus Jensen static uint64_t nvme_cmb_read(void *opaque, hwaddr addr, unsigned size) 619188eea45cSKlaus Jensen { 619288eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 619388eea45cSKlaus Jensen return ldn_le_p(&n->cmb.buf[addr], size); 619488eea45cSKlaus Jensen } 619588eea45cSKlaus Jensen 619688eea45cSKlaus Jensen static const MemoryRegionOps nvme_cmb_ops = { 619788eea45cSKlaus Jensen .read = nvme_cmb_read, 619888eea45cSKlaus Jensen .write = nvme_cmb_write, 619988eea45cSKlaus Jensen .endianness = DEVICE_LITTLE_ENDIAN, 620088eea45cSKlaus Jensen .impl = { 620188eea45cSKlaus Jensen .min_access_size = 1, 620288eea45cSKlaus Jensen .max_access_size = 8, 620388eea45cSKlaus Jensen }, 620488eea45cSKlaus Jensen }; 620588eea45cSKlaus Jensen 620688eea45cSKlaus Jensen static void nvme_check_constraints(NvmeCtrl *n, Error **errp) 620788eea45cSKlaus Jensen { 620888eea45cSKlaus Jensen NvmeParams *params = &n->params; 620988eea45cSKlaus Jensen 621088eea45cSKlaus Jensen if (params->num_queues) { 621188eea45cSKlaus Jensen warn_report("num_queues is deprecated; please use max_ioqpairs " 621288eea45cSKlaus Jensen "instead"); 621388eea45cSKlaus Jensen 621488eea45cSKlaus Jensen params->max_ioqpairs = params->num_queues - 1; 621588eea45cSKlaus Jensen } 621688eea45cSKlaus Jensen 621788eea45cSKlaus Jensen if (n->namespace.blkconf.blk && n->subsys) { 621888eea45cSKlaus Jensen error_setg(errp, "subsystem support is unavailable with legacy " 621988eea45cSKlaus Jensen "namespace ('drive' property)"); 622088eea45cSKlaus Jensen return; 622188eea45cSKlaus Jensen } 622288eea45cSKlaus Jensen 622388eea45cSKlaus Jensen if (params->max_ioqpairs < 1 || 622488eea45cSKlaus Jensen params->max_ioqpairs > NVME_MAX_IOQPAIRS) { 622588eea45cSKlaus Jensen error_setg(errp, "max_ioqpairs must be between 1 and %d", 622688eea45cSKlaus Jensen NVME_MAX_IOQPAIRS); 622788eea45cSKlaus Jensen return; 622888eea45cSKlaus Jensen } 622988eea45cSKlaus Jensen 623088eea45cSKlaus Jensen if (params->msix_qsize < 1 || 623188eea45cSKlaus Jensen params->msix_qsize > PCI_MSIX_FLAGS_QSIZE + 1) { 623288eea45cSKlaus Jensen error_setg(errp, "msix_qsize must be between 1 and %d", 623388eea45cSKlaus Jensen PCI_MSIX_FLAGS_QSIZE + 1); 623488eea45cSKlaus Jensen return; 623588eea45cSKlaus Jensen } 623688eea45cSKlaus Jensen 623788eea45cSKlaus Jensen if (!params->serial) { 623888eea45cSKlaus Jensen error_setg(errp, "serial property not set"); 623988eea45cSKlaus Jensen return; 624088eea45cSKlaus Jensen } 624188eea45cSKlaus Jensen 624288eea45cSKlaus Jensen if (n->pmr.dev) { 624388eea45cSKlaus Jensen if (host_memory_backend_is_mapped(n->pmr.dev)) { 624488eea45cSKlaus Jensen error_setg(errp, "can't use already busy memdev: %s", 624588eea45cSKlaus Jensen object_get_canonical_path_component(OBJECT(n->pmr.dev))); 624688eea45cSKlaus Jensen return; 624788eea45cSKlaus Jensen } 624888eea45cSKlaus Jensen 624988eea45cSKlaus Jensen if (!is_power_of_2(n->pmr.dev->size)) { 625088eea45cSKlaus Jensen error_setg(errp, "pmr backend size needs to be power of 2 in size"); 625188eea45cSKlaus Jensen return; 625288eea45cSKlaus Jensen } 625388eea45cSKlaus Jensen 625488eea45cSKlaus Jensen host_memory_backend_set_mapped(n->pmr.dev, true); 625588eea45cSKlaus Jensen } 625688eea45cSKlaus Jensen 625788eea45cSKlaus Jensen if (n->params.zasl > n->params.mdts) { 625888eea45cSKlaus Jensen error_setg(errp, "zoned.zasl (Zone Append Size Limit) must be less " 625988eea45cSKlaus Jensen "than or equal to mdts (Maximum Data Transfer Size)"); 626088eea45cSKlaus Jensen return; 626188eea45cSKlaus Jensen } 626288eea45cSKlaus Jensen 626388eea45cSKlaus Jensen if (!n->params.vsl) { 626488eea45cSKlaus Jensen error_setg(errp, "vsl must be non-zero"); 626588eea45cSKlaus Jensen return; 626688eea45cSKlaus Jensen } 626788eea45cSKlaus Jensen } 626888eea45cSKlaus Jensen 626988eea45cSKlaus Jensen static void nvme_init_state(NvmeCtrl *n) 627088eea45cSKlaus Jensen { 627188eea45cSKlaus Jensen /* add one to max_ioqpairs to account for the admin queue pair */ 627288eea45cSKlaus Jensen n->reg_size = pow2ceil(sizeof(NvmeBar) + 627388eea45cSKlaus Jensen 2 * (n->params.max_ioqpairs + 1) * NVME_DB_SIZE); 627488eea45cSKlaus Jensen n->sq = g_new0(NvmeSQueue *, n->params.max_ioqpairs + 1); 627588eea45cSKlaus Jensen n->cq = g_new0(NvmeCQueue *, n->params.max_ioqpairs + 1); 627688eea45cSKlaus Jensen n->temperature = NVME_TEMPERATURE; 627788eea45cSKlaus Jensen n->features.temp_thresh_hi = NVME_TEMPERATURE_WARNING; 627888eea45cSKlaus Jensen n->starttime_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 627988eea45cSKlaus Jensen n->aer_reqs = g_new0(NvmeRequest *, n->params.aerl + 1); 628088eea45cSKlaus Jensen } 628188eea45cSKlaus Jensen 628288eea45cSKlaus Jensen static void nvme_init_cmb(NvmeCtrl *n, PCIDevice *pci_dev) 628388eea45cSKlaus Jensen { 628488eea45cSKlaus Jensen uint64_t cmb_size = n->params.cmb_size_mb * MiB; 628549e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 628688eea45cSKlaus Jensen 628788eea45cSKlaus Jensen n->cmb.buf = g_malloc0(cmb_size); 628888eea45cSKlaus Jensen memory_region_init_io(&n->cmb.mem, OBJECT(n), &nvme_cmb_ops, n, 628988eea45cSKlaus Jensen "nvme-cmb", cmb_size); 629088eea45cSKlaus Jensen pci_register_bar(pci_dev, NVME_CMB_BIR, 629188eea45cSKlaus Jensen PCI_BASE_ADDRESS_SPACE_MEMORY | 629288eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64 | 629388eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_PREFETCH, &n->cmb.mem); 629488eea45cSKlaus Jensen 629549e03457SKlaus Jensen NVME_CAP_SET_CMBS(cap, 1); 629649e03457SKlaus Jensen stq_le_p(&n->bar.cap, cap); 629788eea45cSKlaus Jensen 629888eea45cSKlaus Jensen if (n->params.legacy_cmb) { 629988eea45cSKlaus Jensen nvme_cmb_enable_regs(n); 630088eea45cSKlaus Jensen n->cmb.cmse = true; 630188eea45cSKlaus Jensen } 630288eea45cSKlaus Jensen } 630388eea45cSKlaus Jensen 630488eea45cSKlaus Jensen static void nvme_init_pmr(NvmeCtrl *n, PCIDevice *pci_dev) 630588eea45cSKlaus Jensen { 630649e03457SKlaus Jensen uint32_t pmrcap = ldl_le_p(&n->bar.pmrcap); 630788eea45cSKlaus Jensen 630849e03457SKlaus Jensen NVME_PMRCAP_SET_RDS(pmrcap, 1); 630949e03457SKlaus Jensen NVME_PMRCAP_SET_WDS(pmrcap, 1); 631049e03457SKlaus Jensen NVME_PMRCAP_SET_BIR(pmrcap, NVME_PMR_BIR); 631149e03457SKlaus Jensen /* Turn on bit 1 support */ 631249e03457SKlaus Jensen NVME_PMRCAP_SET_PMRWBM(pmrcap, 0x02); 631349e03457SKlaus Jensen NVME_PMRCAP_SET_CMSS(pmrcap, 1); 631449e03457SKlaus Jensen stl_le_p(&n->bar.pmrcap, pmrcap); 631549e03457SKlaus Jensen 631649e03457SKlaus Jensen pci_register_bar(pci_dev, NVME_PMR_BIR, 631788eea45cSKlaus Jensen PCI_BASE_ADDRESS_SPACE_MEMORY | 631888eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64 | 631988eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_PREFETCH, &n->pmr.dev->mr); 632088eea45cSKlaus Jensen 632188eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, false); 632288eea45cSKlaus Jensen } 632388eea45cSKlaus Jensen 632488eea45cSKlaus Jensen static int nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev, Error **errp) 632588eea45cSKlaus Jensen { 632688eea45cSKlaus Jensen uint8_t *pci_conf = pci_dev->config; 632788eea45cSKlaus Jensen uint64_t bar_size, msix_table_size, msix_pba_size; 632888eea45cSKlaus Jensen unsigned msix_table_offset, msix_pba_offset; 632988eea45cSKlaus Jensen int ret; 633088eea45cSKlaus Jensen 633188eea45cSKlaus Jensen Error *err = NULL; 633288eea45cSKlaus Jensen 633388eea45cSKlaus Jensen pci_conf[PCI_INTERRUPT_PIN] = 1; 633488eea45cSKlaus Jensen pci_config_set_prog_interface(pci_conf, 0x2); 633588eea45cSKlaus Jensen 633688eea45cSKlaus Jensen if (n->params.use_intel_id) { 633788eea45cSKlaus Jensen pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL); 633888eea45cSKlaus Jensen pci_config_set_device_id(pci_conf, 0x5845); 633988eea45cSKlaus Jensen } else { 634088eea45cSKlaus Jensen pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_REDHAT); 634188eea45cSKlaus Jensen pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_REDHAT_NVME); 634288eea45cSKlaus Jensen } 634388eea45cSKlaus Jensen 634488eea45cSKlaus Jensen pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_EXPRESS); 634588eea45cSKlaus Jensen pcie_endpoint_cap_init(pci_dev, 0x80); 634688eea45cSKlaus Jensen 634788eea45cSKlaus Jensen bar_size = QEMU_ALIGN_UP(n->reg_size, 4 * KiB); 634888eea45cSKlaus Jensen msix_table_offset = bar_size; 634988eea45cSKlaus Jensen msix_table_size = PCI_MSIX_ENTRY_SIZE * n->params.msix_qsize; 635088eea45cSKlaus Jensen 635188eea45cSKlaus Jensen bar_size += msix_table_size; 635288eea45cSKlaus Jensen bar_size = QEMU_ALIGN_UP(bar_size, 4 * KiB); 635388eea45cSKlaus Jensen msix_pba_offset = bar_size; 635488eea45cSKlaus Jensen msix_pba_size = QEMU_ALIGN_UP(n->params.msix_qsize, 64) / 8; 635588eea45cSKlaus Jensen 635688eea45cSKlaus Jensen bar_size += msix_pba_size; 635788eea45cSKlaus Jensen bar_size = pow2ceil(bar_size); 635888eea45cSKlaus Jensen 635988eea45cSKlaus Jensen memory_region_init(&n->bar0, OBJECT(n), "nvme-bar0", bar_size); 636088eea45cSKlaus Jensen memory_region_init_io(&n->iomem, OBJECT(n), &nvme_mmio_ops, n, "nvme", 636188eea45cSKlaus Jensen n->reg_size); 636288eea45cSKlaus Jensen memory_region_add_subregion(&n->bar0, 0, &n->iomem); 636388eea45cSKlaus Jensen 636488eea45cSKlaus Jensen pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY | 636588eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64, &n->bar0); 636688eea45cSKlaus Jensen ret = msix_init(pci_dev, n->params.msix_qsize, 636788eea45cSKlaus Jensen &n->bar0, 0, msix_table_offset, 636888eea45cSKlaus Jensen &n->bar0, 0, msix_pba_offset, 0, &err); 636988eea45cSKlaus Jensen if (ret < 0) { 637088eea45cSKlaus Jensen if (ret == -ENOTSUP) { 637188eea45cSKlaus Jensen warn_report_err(err); 637288eea45cSKlaus Jensen } else { 637388eea45cSKlaus Jensen error_propagate(errp, err); 637488eea45cSKlaus Jensen return ret; 637588eea45cSKlaus Jensen } 637688eea45cSKlaus Jensen } 637788eea45cSKlaus Jensen 637888eea45cSKlaus Jensen if (n->params.cmb_size_mb) { 637988eea45cSKlaus Jensen nvme_init_cmb(n, pci_dev); 638088eea45cSKlaus Jensen } 638188eea45cSKlaus Jensen 638288eea45cSKlaus Jensen if (n->pmr.dev) { 638388eea45cSKlaus Jensen nvme_init_pmr(n, pci_dev); 638488eea45cSKlaus Jensen } 638588eea45cSKlaus Jensen 638688eea45cSKlaus Jensen return 0; 638788eea45cSKlaus Jensen } 638888eea45cSKlaus Jensen 638988eea45cSKlaus Jensen static void nvme_init_subnqn(NvmeCtrl *n) 639088eea45cSKlaus Jensen { 639188eea45cSKlaus Jensen NvmeSubsystem *subsys = n->subsys; 639288eea45cSKlaus Jensen NvmeIdCtrl *id = &n->id_ctrl; 639388eea45cSKlaus Jensen 639488eea45cSKlaus Jensen if (!subsys) { 639588eea45cSKlaus Jensen snprintf((char *)id->subnqn, sizeof(id->subnqn), 639688eea45cSKlaus Jensen "nqn.2019-08.org.qemu:%s", n->params.serial); 639788eea45cSKlaus Jensen } else { 639888eea45cSKlaus Jensen pstrcpy((char *)id->subnqn, sizeof(id->subnqn), (char*)subsys->subnqn); 639988eea45cSKlaus Jensen } 640088eea45cSKlaus Jensen } 640188eea45cSKlaus Jensen 640288eea45cSKlaus Jensen static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev) 640388eea45cSKlaus Jensen { 640488eea45cSKlaus Jensen NvmeIdCtrl *id = &n->id_ctrl; 640588eea45cSKlaus Jensen uint8_t *pci_conf = pci_dev->config; 640649e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 640788eea45cSKlaus Jensen 640888eea45cSKlaus Jensen id->vid = cpu_to_le16(pci_get_word(pci_conf + PCI_VENDOR_ID)); 640988eea45cSKlaus Jensen id->ssvid = cpu_to_le16(pci_get_word(pci_conf + PCI_SUBSYSTEM_VENDOR_ID)); 641088eea45cSKlaus Jensen strpadcpy((char *)id->mn, sizeof(id->mn), "QEMU NVMe Ctrl", ' '); 641188eea45cSKlaus Jensen strpadcpy((char *)id->fr, sizeof(id->fr), "1.0", ' '); 641288eea45cSKlaus Jensen strpadcpy((char *)id->sn, sizeof(id->sn), n->params.serial, ' '); 641388eea45cSKlaus Jensen 641488eea45cSKlaus Jensen id->cntlid = cpu_to_le16(n->cntlid); 641588eea45cSKlaus Jensen 641688eea45cSKlaus Jensen id->oaes = cpu_to_le32(NVME_OAES_NS_ATTR); 641788eea45cSKlaus Jensen 641888eea45cSKlaus Jensen id->rab = 6; 641988eea45cSKlaus Jensen 642088eea45cSKlaus Jensen if (n->params.use_intel_id) { 642188eea45cSKlaus Jensen id->ieee[0] = 0xb3; 642288eea45cSKlaus Jensen id->ieee[1] = 0x02; 642388eea45cSKlaus Jensen id->ieee[2] = 0x00; 642488eea45cSKlaus Jensen } else { 642588eea45cSKlaus Jensen id->ieee[0] = 0x00; 642688eea45cSKlaus Jensen id->ieee[1] = 0x54; 642788eea45cSKlaus Jensen id->ieee[2] = 0x52; 642888eea45cSKlaus Jensen } 642988eea45cSKlaus Jensen 643088eea45cSKlaus Jensen id->mdts = n->params.mdts; 643188eea45cSKlaus Jensen id->ver = cpu_to_le32(NVME_SPEC_VER); 643288eea45cSKlaus Jensen id->oacs = cpu_to_le16(NVME_OACS_NS_MGMT | NVME_OACS_FORMAT); 643388eea45cSKlaus Jensen id->cntrltype = 0x1; 643488eea45cSKlaus Jensen 643588eea45cSKlaus Jensen /* 643688eea45cSKlaus Jensen * Because the controller always completes the Abort command immediately, 643788eea45cSKlaus Jensen * there can never be more than one concurrently executing Abort command, 643888eea45cSKlaus Jensen * so this value is never used for anything. Note that there can easily be 643988eea45cSKlaus Jensen * many Abort commands in the queues, but they are not considered 644088eea45cSKlaus Jensen * "executing" until processed by nvme_abort. 644188eea45cSKlaus Jensen * 644288eea45cSKlaus Jensen * The specification recommends a value of 3 for Abort Command Limit (four 644388eea45cSKlaus Jensen * concurrently outstanding Abort commands), so lets use that though it is 644488eea45cSKlaus Jensen * inconsequential. 644588eea45cSKlaus Jensen */ 644688eea45cSKlaus Jensen id->acl = 3; 644788eea45cSKlaus Jensen id->aerl = n->params.aerl; 644888eea45cSKlaus Jensen id->frmw = (NVME_NUM_FW_SLOTS << 1) | NVME_FRMW_SLOT1_RO; 644988eea45cSKlaus Jensen id->lpa = NVME_LPA_NS_SMART | NVME_LPA_CSE | NVME_LPA_EXTENDED; 645088eea45cSKlaus Jensen 645188eea45cSKlaus Jensen /* recommended default value (~70 C) */ 645288eea45cSKlaus Jensen id->wctemp = cpu_to_le16(NVME_TEMPERATURE_WARNING); 645388eea45cSKlaus Jensen id->cctemp = cpu_to_le16(NVME_TEMPERATURE_CRITICAL); 645488eea45cSKlaus Jensen 645588eea45cSKlaus Jensen id->sqes = (0x6 << 4) | 0x6; 645688eea45cSKlaus Jensen id->cqes = (0x4 << 4) | 0x4; 645788eea45cSKlaus Jensen id->nn = cpu_to_le32(NVME_MAX_NAMESPACES); 645888eea45cSKlaus Jensen id->oncs = cpu_to_le16(NVME_ONCS_WRITE_ZEROES | NVME_ONCS_TIMESTAMP | 645988eea45cSKlaus Jensen NVME_ONCS_FEATURES | NVME_ONCS_DSM | 646088eea45cSKlaus Jensen NVME_ONCS_COMPARE | NVME_ONCS_COPY); 646188eea45cSKlaus Jensen 646288eea45cSKlaus Jensen /* 646388eea45cSKlaus Jensen * NOTE: If this device ever supports a command set that does NOT use 0x0 646488eea45cSKlaus Jensen * as a Flush-equivalent operation, support for the broadcast NSID in Flush 646588eea45cSKlaus Jensen * should probably be removed. 646688eea45cSKlaus Jensen * 646788eea45cSKlaus Jensen * See comment in nvme_io_cmd. 646888eea45cSKlaus Jensen */ 646988eea45cSKlaus Jensen id->vwc = NVME_VWC_NSID_BROADCAST_SUPPORT | NVME_VWC_PRESENT; 647088eea45cSKlaus Jensen 647188eea45cSKlaus Jensen id->ocfs = cpu_to_le16(NVME_OCFS_COPY_FORMAT_0); 647288eea45cSKlaus Jensen id->sgls = cpu_to_le32(NVME_CTRL_SGLS_SUPPORT_NO_ALIGN | 647388eea45cSKlaus Jensen NVME_CTRL_SGLS_BITBUCKET); 647488eea45cSKlaus Jensen 647588eea45cSKlaus Jensen nvme_init_subnqn(n); 647688eea45cSKlaus Jensen 647788eea45cSKlaus Jensen id->psd[0].mp = cpu_to_le16(0x9c4); 647888eea45cSKlaus Jensen id->psd[0].enlat = cpu_to_le32(0x10); 647988eea45cSKlaus Jensen id->psd[0].exlat = cpu_to_le32(0x4); 648088eea45cSKlaus Jensen 648188eea45cSKlaus Jensen if (n->subsys) { 648288eea45cSKlaus Jensen id->cmic |= NVME_CMIC_MULTI_CTRL; 648388eea45cSKlaus Jensen } 648488eea45cSKlaus Jensen 648549e03457SKlaus Jensen NVME_CAP_SET_MQES(cap, 0x7ff); 648649e03457SKlaus Jensen NVME_CAP_SET_CQR(cap, 1); 648749e03457SKlaus Jensen NVME_CAP_SET_TO(cap, 0xf); 648849e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_NVM); 648949e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_CSI_SUPP); 649049e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_ADMIN_ONLY); 649149e03457SKlaus Jensen NVME_CAP_SET_MPSMAX(cap, 4); 649249e03457SKlaus Jensen NVME_CAP_SET_CMBS(cap, n->params.cmb_size_mb ? 1 : 0); 649349e03457SKlaus Jensen NVME_CAP_SET_PMRS(cap, n->pmr.dev ? 1 : 0); 649449e03457SKlaus Jensen stq_le_p(&n->bar.cap, cap); 649588eea45cSKlaus Jensen 649649e03457SKlaus Jensen stl_le_p(&n->bar.vs, NVME_SPEC_VER); 649788eea45cSKlaus Jensen n->bar.intmc = n->bar.intms = 0; 649888eea45cSKlaus Jensen } 649988eea45cSKlaus Jensen 650088eea45cSKlaus Jensen static int nvme_init_subsys(NvmeCtrl *n, Error **errp) 650188eea45cSKlaus Jensen { 650288eea45cSKlaus Jensen int cntlid; 650388eea45cSKlaus Jensen 650488eea45cSKlaus Jensen if (!n->subsys) { 650588eea45cSKlaus Jensen return 0; 650688eea45cSKlaus Jensen } 650788eea45cSKlaus Jensen 650888eea45cSKlaus Jensen cntlid = nvme_subsys_register_ctrl(n, errp); 650988eea45cSKlaus Jensen if (cntlid < 0) { 651088eea45cSKlaus Jensen return -1; 651188eea45cSKlaus Jensen } 651288eea45cSKlaus Jensen 651388eea45cSKlaus Jensen n->cntlid = cntlid; 651488eea45cSKlaus Jensen 651588eea45cSKlaus Jensen return 0; 651688eea45cSKlaus Jensen } 651788eea45cSKlaus Jensen 651888eea45cSKlaus Jensen void nvme_attach_ns(NvmeCtrl *n, NvmeNamespace *ns) 651988eea45cSKlaus Jensen { 652088eea45cSKlaus Jensen uint32_t nsid = ns->params.nsid; 652188eea45cSKlaus Jensen assert(nsid && nsid <= NVME_MAX_NAMESPACES); 652288eea45cSKlaus Jensen 652388eea45cSKlaus Jensen n->namespaces[nsid] = ns; 652488eea45cSKlaus Jensen ns->attached++; 652588eea45cSKlaus Jensen 652688eea45cSKlaus Jensen n->dmrsl = MIN_NON_ZERO(n->dmrsl, 652788eea45cSKlaus Jensen BDRV_REQUEST_MAX_BYTES / nvme_l2b(ns, 1)); 652888eea45cSKlaus Jensen } 652988eea45cSKlaus Jensen 653088eea45cSKlaus Jensen static void nvme_realize(PCIDevice *pci_dev, Error **errp) 653188eea45cSKlaus Jensen { 653288eea45cSKlaus Jensen NvmeCtrl *n = NVME(pci_dev); 653388eea45cSKlaus Jensen NvmeNamespace *ns; 653488eea45cSKlaus Jensen Error *local_err = NULL; 653588eea45cSKlaus Jensen 653688eea45cSKlaus Jensen nvme_check_constraints(n, &local_err); 653788eea45cSKlaus Jensen if (local_err) { 653888eea45cSKlaus Jensen error_propagate(errp, local_err); 653988eea45cSKlaus Jensen return; 654088eea45cSKlaus Jensen } 654188eea45cSKlaus Jensen 654288eea45cSKlaus Jensen qbus_create_inplace(&n->bus, sizeof(NvmeBus), TYPE_NVME_BUS, 654388eea45cSKlaus Jensen &pci_dev->qdev, n->parent_obj.qdev.id); 654488eea45cSKlaus Jensen 654588eea45cSKlaus Jensen nvme_init_state(n); 654688eea45cSKlaus Jensen if (nvme_init_pci(n, pci_dev, errp)) { 654788eea45cSKlaus Jensen return; 654888eea45cSKlaus Jensen } 654988eea45cSKlaus Jensen 655088eea45cSKlaus Jensen if (nvme_init_subsys(n, errp)) { 655188eea45cSKlaus Jensen error_propagate(errp, local_err); 655288eea45cSKlaus Jensen return; 655388eea45cSKlaus Jensen } 655488eea45cSKlaus Jensen nvme_init_ctrl(n, pci_dev); 655588eea45cSKlaus Jensen 655688eea45cSKlaus Jensen /* setup a namespace if the controller drive property was given */ 655788eea45cSKlaus Jensen if (n->namespace.blkconf.blk) { 655888eea45cSKlaus Jensen ns = &n->namespace; 655988eea45cSKlaus Jensen ns->params.nsid = 1; 656088eea45cSKlaus Jensen 65615e4f6bccSKlaus Jensen if (nvme_ns_setup(ns, errp)) { 656288eea45cSKlaus Jensen return; 656388eea45cSKlaus Jensen } 656488eea45cSKlaus Jensen 656588eea45cSKlaus Jensen nvme_attach_ns(n, ns); 656688eea45cSKlaus Jensen } 656788eea45cSKlaus Jensen } 656888eea45cSKlaus Jensen 656988eea45cSKlaus Jensen static void nvme_exit(PCIDevice *pci_dev) 657088eea45cSKlaus Jensen { 657188eea45cSKlaus Jensen NvmeCtrl *n = NVME(pci_dev); 657288eea45cSKlaus Jensen NvmeNamespace *ns; 657388eea45cSKlaus Jensen int i; 657488eea45cSKlaus Jensen 657588eea45cSKlaus Jensen nvme_ctrl_reset(n); 657688eea45cSKlaus Jensen 65775ffbaeedSKlaus Jensen if (n->subsys) { 657888eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 657988eea45cSKlaus Jensen ns = nvme_ns(n, i); 65805ffbaeedSKlaus Jensen if (ns) { 65815ffbaeedSKlaus Jensen ns->attached--; 65825ffbaeedSKlaus Jensen } 658388eea45cSKlaus Jensen } 658488eea45cSKlaus Jensen 6585b0fde9e8SKlaus Jensen nvme_subsys_unregister_ctrl(n->subsys, n); 6586b0fde9e8SKlaus Jensen } 6587b0fde9e8SKlaus Jensen 658888eea45cSKlaus Jensen g_free(n->cq); 658988eea45cSKlaus Jensen g_free(n->sq); 659088eea45cSKlaus Jensen g_free(n->aer_reqs); 659188eea45cSKlaus Jensen 659288eea45cSKlaus Jensen if (n->params.cmb_size_mb) { 659388eea45cSKlaus Jensen g_free(n->cmb.buf); 659488eea45cSKlaus Jensen } 659588eea45cSKlaus Jensen 659688eea45cSKlaus Jensen if (n->pmr.dev) { 659788eea45cSKlaus Jensen host_memory_backend_set_mapped(n->pmr.dev, false); 659888eea45cSKlaus Jensen } 659988eea45cSKlaus Jensen msix_uninit(pci_dev, &n->bar0, &n->bar0); 660088eea45cSKlaus Jensen memory_region_del_subregion(&n->bar0, &n->iomem); 660188eea45cSKlaus Jensen } 660288eea45cSKlaus Jensen 660388eea45cSKlaus Jensen static Property nvme_props[] = { 660488eea45cSKlaus Jensen DEFINE_BLOCK_PROPERTIES(NvmeCtrl, namespace.blkconf), 660588eea45cSKlaus Jensen DEFINE_PROP_LINK("pmrdev", NvmeCtrl, pmr.dev, TYPE_MEMORY_BACKEND, 660688eea45cSKlaus Jensen HostMemoryBackend *), 660788eea45cSKlaus Jensen DEFINE_PROP_LINK("subsys", NvmeCtrl, subsys, TYPE_NVME_SUBSYS, 660888eea45cSKlaus Jensen NvmeSubsystem *), 660988eea45cSKlaus Jensen DEFINE_PROP_STRING("serial", NvmeCtrl, params.serial), 661088eea45cSKlaus Jensen DEFINE_PROP_UINT32("cmb_size_mb", NvmeCtrl, params.cmb_size_mb, 0), 661188eea45cSKlaus Jensen DEFINE_PROP_UINT32("num_queues", NvmeCtrl, params.num_queues, 0), 661288eea45cSKlaus Jensen DEFINE_PROP_UINT32("max_ioqpairs", NvmeCtrl, params.max_ioqpairs, 64), 661388eea45cSKlaus Jensen DEFINE_PROP_UINT16("msix_qsize", NvmeCtrl, params.msix_qsize, 65), 661488eea45cSKlaus Jensen DEFINE_PROP_UINT8("aerl", NvmeCtrl, params.aerl, 3), 661588eea45cSKlaus Jensen DEFINE_PROP_UINT32("aer_max_queued", NvmeCtrl, params.aer_max_queued, 64), 661688eea45cSKlaus Jensen DEFINE_PROP_UINT8("mdts", NvmeCtrl, params.mdts, 7), 661788eea45cSKlaus Jensen DEFINE_PROP_UINT8("vsl", NvmeCtrl, params.vsl, 7), 661888eea45cSKlaus Jensen DEFINE_PROP_BOOL("use-intel-id", NvmeCtrl, params.use_intel_id, false), 661988eea45cSKlaus Jensen DEFINE_PROP_BOOL("legacy-cmb", NvmeCtrl, params.legacy_cmb, false), 662088eea45cSKlaus Jensen DEFINE_PROP_UINT8("zoned.zasl", NvmeCtrl, params.zasl, 0), 6621cccc2651SNiklas Cassel DEFINE_PROP_BOOL("zoned.auto_transition", NvmeCtrl, 6622cccc2651SNiklas Cassel params.auto_transition_zones, true), 662388eea45cSKlaus Jensen DEFINE_PROP_END_OF_LIST(), 662488eea45cSKlaus Jensen }; 662588eea45cSKlaus Jensen 662688eea45cSKlaus Jensen static void nvme_get_smart_warning(Object *obj, Visitor *v, const char *name, 662788eea45cSKlaus Jensen void *opaque, Error **errp) 662888eea45cSKlaus Jensen { 662988eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 663088eea45cSKlaus Jensen uint8_t value = n->smart_critical_warning; 663188eea45cSKlaus Jensen 663288eea45cSKlaus Jensen visit_type_uint8(v, name, &value, errp); 663388eea45cSKlaus Jensen } 663488eea45cSKlaus Jensen 663588eea45cSKlaus Jensen static void nvme_set_smart_warning(Object *obj, Visitor *v, const char *name, 663688eea45cSKlaus Jensen void *opaque, Error **errp) 663788eea45cSKlaus Jensen { 663888eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 663988eea45cSKlaus Jensen uint8_t value, old_value, cap = 0, index, event; 664088eea45cSKlaus Jensen 664188eea45cSKlaus Jensen if (!visit_type_uint8(v, name, &value, errp)) { 664288eea45cSKlaus Jensen return; 664388eea45cSKlaus Jensen } 664488eea45cSKlaus Jensen 664588eea45cSKlaus Jensen cap = NVME_SMART_SPARE | NVME_SMART_TEMPERATURE | NVME_SMART_RELIABILITY 664688eea45cSKlaus Jensen | NVME_SMART_MEDIA_READ_ONLY | NVME_SMART_FAILED_VOLATILE_MEDIA; 664749e03457SKlaus Jensen if (NVME_CAP_PMRS(ldq_le_p(&n->bar.cap))) { 664888eea45cSKlaus Jensen cap |= NVME_SMART_PMR_UNRELIABLE; 664988eea45cSKlaus Jensen } 665088eea45cSKlaus Jensen 665188eea45cSKlaus Jensen if ((value & cap) != value) { 665288eea45cSKlaus Jensen error_setg(errp, "unsupported smart critical warning bits: 0x%x", 665388eea45cSKlaus Jensen value & ~cap); 665488eea45cSKlaus Jensen return; 665588eea45cSKlaus Jensen } 665688eea45cSKlaus Jensen 665788eea45cSKlaus Jensen old_value = n->smart_critical_warning; 665888eea45cSKlaus Jensen n->smart_critical_warning = value; 665988eea45cSKlaus Jensen 666088eea45cSKlaus Jensen /* only inject new bits of smart critical warning */ 666188eea45cSKlaus Jensen for (index = 0; index < NVME_SMART_WARN_MAX; index++) { 666288eea45cSKlaus Jensen event = 1 << index; 666388eea45cSKlaus Jensen if (value & ~old_value & event) 666488eea45cSKlaus Jensen nvme_smart_event(n, event); 666588eea45cSKlaus Jensen } 666688eea45cSKlaus Jensen } 666788eea45cSKlaus Jensen 666888eea45cSKlaus Jensen static const VMStateDescription nvme_vmstate = { 666988eea45cSKlaus Jensen .name = "nvme", 667088eea45cSKlaus Jensen .unmigratable = 1, 667188eea45cSKlaus Jensen }; 667288eea45cSKlaus Jensen 667388eea45cSKlaus Jensen static void nvme_class_init(ObjectClass *oc, void *data) 667488eea45cSKlaus Jensen { 667588eea45cSKlaus Jensen DeviceClass *dc = DEVICE_CLASS(oc); 667688eea45cSKlaus Jensen PCIDeviceClass *pc = PCI_DEVICE_CLASS(oc); 667788eea45cSKlaus Jensen 667888eea45cSKlaus Jensen pc->realize = nvme_realize; 667988eea45cSKlaus Jensen pc->exit = nvme_exit; 668088eea45cSKlaus Jensen pc->class_id = PCI_CLASS_STORAGE_EXPRESS; 668188eea45cSKlaus Jensen pc->revision = 2; 668288eea45cSKlaus Jensen 668388eea45cSKlaus Jensen set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 668488eea45cSKlaus Jensen dc->desc = "Non-Volatile Memory Express"; 668588eea45cSKlaus Jensen device_class_set_props(dc, nvme_props); 668688eea45cSKlaus Jensen dc->vmsd = &nvme_vmstate; 668788eea45cSKlaus Jensen } 668888eea45cSKlaus Jensen 668988eea45cSKlaus Jensen static void nvme_instance_init(Object *obj) 669088eea45cSKlaus Jensen { 669188eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 669288eea45cSKlaus Jensen 669388eea45cSKlaus Jensen device_add_bootindex_property(obj, &n->namespace.blkconf.bootindex, 669488eea45cSKlaus Jensen "bootindex", "/namespace@1,0", 669588eea45cSKlaus Jensen DEVICE(obj)); 669688eea45cSKlaus Jensen 669788eea45cSKlaus Jensen object_property_add(obj, "smart_critical_warning", "uint8", 669888eea45cSKlaus Jensen nvme_get_smart_warning, 669988eea45cSKlaus Jensen nvme_set_smart_warning, NULL, NULL); 670088eea45cSKlaus Jensen } 670188eea45cSKlaus Jensen 670288eea45cSKlaus Jensen static const TypeInfo nvme_info = { 670388eea45cSKlaus Jensen .name = TYPE_NVME, 670488eea45cSKlaus Jensen .parent = TYPE_PCI_DEVICE, 670588eea45cSKlaus Jensen .instance_size = sizeof(NvmeCtrl), 670688eea45cSKlaus Jensen .instance_init = nvme_instance_init, 670788eea45cSKlaus Jensen .class_init = nvme_class_init, 670888eea45cSKlaus Jensen .interfaces = (InterfaceInfo[]) { 670988eea45cSKlaus Jensen { INTERFACE_PCIE_DEVICE }, 671088eea45cSKlaus Jensen { } 671188eea45cSKlaus Jensen }, 671288eea45cSKlaus Jensen }; 671388eea45cSKlaus Jensen 671488eea45cSKlaus Jensen static const TypeInfo nvme_bus_info = { 671588eea45cSKlaus Jensen .name = TYPE_NVME_BUS, 671688eea45cSKlaus Jensen .parent = TYPE_BUS, 671788eea45cSKlaus Jensen .instance_size = sizeof(NvmeBus), 671888eea45cSKlaus Jensen }; 671988eea45cSKlaus Jensen 672088eea45cSKlaus Jensen static void nvme_register_types(void) 672188eea45cSKlaus Jensen { 672288eea45cSKlaus Jensen type_register_static(&nvme_info); 672388eea45cSKlaus Jensen type_register_static(&nvme_bus_info); 672488eea45cSKlaus Jensen } 672588eea45cSKlaus Jensen 672688eea45cSKlaus Jensen type_init(nvme_register_types) 6727