188eea45cSKlaus Jensen /* 288eea45cSKlaus Jensen * QEMU NVM Express Controller 388eea45cSKlaus Jensen * 488eea45cSKlaus Jensen * Copyright (c) 2012, Intel Corporation 588eea45cSKlaus Jensen * 688eea45cSKlaus Jensen * Written by Keith Busch <keith.busch@intel.com> 788eea45cSKlaus Jensen * 888eea45cSKlaus Jensen * This code is licensed under the GNU GPL v2 or later. 988eea45cSKlaus Jensen */ 1088eea45cSKlaus Jensen 1188eea45cSKlaus Jensen /** 1288eea45cSKlaus Jensen * Reference Specs: http://www.nvmexpress.org, 1.4, 1.3, 1.2, 1.1, 1.0e 1388eea45cSKlaus Jensen * 1488eea45cSKlaus Jensen * https://nvmexpress.org/developers/nvme-specification/ 1588eea45cSKlaus Jensen * 1688eea45cSKlaus Jensen * 1788eea45cSKlaus Jensen * Notes on coding style 1888eea45cSKlaus Jensen * --------------------- 1988eea45cSKlaus Jensen * While QEMU coding style prefers lowercase hexadecimals in constants, the 2088eea45cSKlaus Jensen * NVMe subsystem use thes format from the NVMe specifications in the comments 2188eea45cSKlaus Jensen * (i.e. 'h' suffix instead of '0x' prefix). 2288eea45cSKlaus Jensen * 2388eea45cSKlaus Jensen * Usage 2488eea45cSKlaus Jensen * ----- 2588eea45cSKlaus Jensen * See docs/system/nvme.rst for extensive documentation. 2688eea45cSKlaus Jensen * 2788eea45cSKlaus Jensen * Add options: 2888eea45cSKlaus Jensen * -drive file=<file>,if=none,id=<drive_id> 2988eea45cSKlaus Jensen * -device nvme-subsys,id=<subsys_id>,nqn=<nqn_id> 3088eea45cSKlaus Jensen * -device nvme,serial=<serial>,id=<bus_name>, \ 3188eea45cSKlaus Jensen * cmb_size_mb=<cmb_size_mb[optional]>, \ 3288eea45cSKlaus Jensen * [pmrdev=<mem_backend_file_id>,] \ 3388eea45cSKlaus Jensen * max_ioqpairs=<N[optional]>, \ 3488eea45cSKlaus Jensen * aerl=<N[optional]>,aer_max_queued=<N[optional]>, \ 3588eea45cSKlaus Jensen * mdts=<N[optional]>,vsl=<N[optional]>, \ 3688eea45cSKlaus Jensen * zoned.zasl=<N[optional]>, \ 37cccc2651SNiklas Cassel * zoned.auto_transition=<on|off[optional]>, \ 3888eea45cSKlaus Jensen * subsys=<subsys_id> 3988eea45cSKlaus Jensen * -device nvme-ns,drive=<drive_id>,bus=<bus_name>,nsid=<nsid>,\ 4088eea45cSKlaus Jensen * zoned=<true|false[optional]>, \ 4188eea45cSKlaus Jensen * subsys=<subsys_id>,detached=<true|false[optional]> 4288eea45cSKlaus Jensen * 4388eea45cSKlaus Jensen * Note cmb_size_mb denotes size of CMB in MB. CMB is assumed to be at 4488eea45cSKlaus Jensen * offset 0 in BAR2 and supports only WDS, RDS and SQS for now. By default, the 4588eea45cSKlaus Jensen * device will use the "v1.4 CMB scheme" - use the `legacy-cmb` parameter to 4688eea45cSKlaus Jensen * always enable the CMBLOC and CMBSZ registers (v1.3 behavior). 4788eea45cSKlaus Jensen * 4888eea45cSKlaus Jensen * Enabling pmr emulation can be achieved by pointing to memory-backend-file. 4988eea45cSKlaus Jensen * For example: 5088eea45cSKlaus Jensen * -object memory-backend-file,id=<mem_id>,share=on,mem-path=<file_path>, \ 5188eea45cSKlaus Jensen * size=<size> .... -device nvme,...,pmrdev=<mem_id> 5288eea45cSKlaus Jensen * 5388eea45cSKlaus Jensen * The PMR will use BAR 4/5 exclusively. 5488eea45cSKlaus Jensen * 5588eea45cSKlaus Jensen * To place controller(s) and namespace(s) to a subsystem, then provide 5688eea45cSKlaus Jensen * nvme-subsys device as above. 5788eea45cSKlaus Jensen * 5888eea45cSKlaus Jensen * nvme subsystem device parameters 5988eea45cSKlaus Jensen * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 6088eea45cSKlaus Jensen * - `nqn` 6188eea45cSKlaus Jensen * This parameter provides the `<nqn_id>` part of the string 6288eea45cSKlaus Jensen * `nqn.2019-08.org.qemu:<nqn_id>` which will be reported in the SUBNQN field 6388eea45cSKlaus Jensen * of subsystem controllers. Note that `<nqn_id>` should be unique per 6488eea45cSKlaus Jensen * subsystem, but this is not enforced by QEMU. If not specified, it will 6588eea45cSKlaus Jensen * default to the value of the `id` parameter (`<subsys_id>`). 6688eea45cSKlaus Jensen * 6788eea45cSKlaus Jensen * nvme device parameters 6888eea45cSKlaus Jensen * ~~~~~~~~~~~~~~~~~~~~~~ 6988eea45cSKlaus Jensen * - `subsys` 7088eea45cSKlaus Jensen * Specifying this parameter attaches the controller to the subsystem and 7188eea45cSKlaus Jensen * the SUBNQN field in the controller will report the NQN of the subsystem 7288eea45cSKlaus Jensen * device. This also enables multi controller capability represented in 7388eea45cSKlaus Jensen * Identify Controller data structure in CMIC (Controller Multi-path I/O and 7488eea45cSKlaus Jensen * Namesapce Sharing Capabilities). 7588eea45cSKlaus Jensen * 7688eea45cSKlaus Jensen * - `aerl` 7788eea45cSKlaus Jensen * The Asynchronous Event Request Limit (AERL). Indicates the maximum number 7888eea45cSKlaus Jensen * of concurrently outstanding Asynchronous Event Request commands support 7988eea45cSKlaus Jensen * by the controller. This is a 0's based value. 8088eea45cSKlaus Jensen * 8188eea45cSKlaus Jensen * - `aer_max_queued` 8288eea45cSKlaus Jensen * This is the maximum number of events that the device will enqueue for 8388eea45cSKlaus Jensen * completion when there are no outstanding AERs. When the maximum number of 8488eea45cSKlaus Jensen * enqueued events are reached, subsequent events will be dropped. 8588eea45cSKlaus Jensen * 8688eea45cSKlaus Jensen * - `mdts` 8788eea45cSKlaus Jensen * Indicates the maximum data transfer size for a command that transfers data 8888eea45cSKlaus Jensen * between host-accessible memory and the controller. The value is specified 8988eea45cSKlaus Jensen * as a power of two (2^n) and is in units of the minimum memory page size 9088eea45cSKlaus Jensen * (CAP.MPSMIN). The default value is 7 (i.e. 512 KiB). 9188eea45cSKlaus Jensen * 9288eea45cSKlaus Jensen * - `vsl` 9388eea45cSKlaus Jensen * Indicates the maximum data size limit for the Verify command. Like `mdts`, 9488eea45cSKlaus Jensen * this value is specified as a power of two (2^n) and is in units of the 9588eea45cSKlaus Jensen * minimum memory page size (CAP.MPSMIN). The default value is 7 (i.e. 512 9688eea45cSKlaus Jensen * KiB). 9788eea45cSKlaus Jensen * 9888eea45cSKlaus Jensen * - `zoned.zasl` 9988eea45cSKlaus Jensen * Indicates the maximum data transfer size for the Zone Append command. Like 10088eea45cSKlaus Jensen * `mdts`, the value is specified as a power of two (2^n) and is in units of 10188eea45cSKlaus Jensen * the minimum memory page size (CAP.MPSMIN). The default value is 0 (i.e. 10288eea45cSKlaus Jensen * defaulting to the value of `mdts`). 10388eea45cSKlaus Jensen * 104cccc2651SNiklas Cassel * - `zoned.auto_transition` 105cccc2651SNiklas Cassel * Indicates if zones in zone state implicitly opened can be automatically 106cccc2651SNiklas Cassel * transitioned to zone state closed for resource management purposes. 107cccc2651SNiklas Cassel * Defaults to 'on'. 108cccc2651SNiklas Cassel * 10988eea45cSKlaus Jensen * nvme namespace device parameters 11088eea45cSKlaus Jensen * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 11188eea45cSKlaus Jensen * - `shared` 11288eea45cSKlaus Jensen * When the parent nvme device (as defined explicitly by the 'bus' parameter 11388eea45cSKlaus Jensen * or implicitly by the most recently defined NvmeBus) is linked to an 11488eea45cSKlaus Jensen * nvme-subsys device, the namespace will be attached to all controllers in 11588eea45cSKlaus Jensen * the subsystem. If set to 'off' (the default), the namespace will remain a 11688eea45cSKlaus Jensen * private namespace and may only be attached to a single controller at a 11788eea45cSKlaus Jensen * time. 11888eea45cSKlaus Jensen * 11988eea45cSKlaus Jensen * - `detached` 12088eea45cSKlaus Jensen * This parameter is only valid together with the `subsys` parameter. If left 12188eea45cSKlaus Jensen * at the default value (`false/off`), the namespace will be attached to all 12288eea45cSKlaus Jensen * controllers in the NVMe subsystem at boot-up. If set to `true/on`, the 123eeef4329SGollu Appalanaidu * namespace will be available in the subsystem but not attached to any 12488eea45cSKlaus Jensen * controllers. 12588eea45cSKlaus Jensen * 12688eea45cSKlaus Jensen * Setting `zoned` to true selects Zoned Command Set at the namespace. 12788eea45cSKlaus Jensen * In this case, the following namespace properties are available to configure 12888eea45cSKlaus Jensen * zoned operation: 12988eea45cSKlaus Jensen * zoned.zone_size=<zone size in bytes, default: 128MiB> 13088eea45cSKlaus Jensen * The number may be followed by K, M, G as in kilo-, mega- or giga-. 13188eea45cSKlaus Jensen * 13288eea45cSKlaus Jensen * zoned.zone_capacity=<zone capacity in bytes, default: zone size> 13388eea45cSKlaus Jensen * The value 0 (default) forces zone capacity to be the same as zone 13488eea45cSKlaus Jensen * size. The value of this property may not exceed zone size. 13588eea45cSKlaus Jensen * 13688eea45cSKlaus Jensen * zoned.descr_ext_size=<zone descriptor extension size, default 0> 13788eea45cSKlaus Jensen * This value needs to be specified in 64B units. If it is zero, 13888eea45cSKlaus Jensen * namespace(s) will not support zone descriptor extensions. 13988eea45cSKlaus Jensen * 14088eea45cSKlaus Jensen * zoned.max_active=<Maximum Active Resources (zones), default: 0> 14188eea45cSKlaus Jensen * The default value means there is no limit to the number of 14288eea45cSKlaus Jensen * concurrently active zones. 14388eea45cSKlaus Jensen * 14488eea45cSKlaus Jensen * zoned.max_open=<Maximum Open Resources (zones), default: 0> 14588eea45cSKlaus Jensen * The default value means there is no limit to the number of 14688eea45cSKlaus Jensen * concurrently open zones. 14788eea45cSKlaus Jensen * 14888eea45cSKlaus Jensen * zoned.cross_read=<enable RAZB, default: false> 14988eea45cSKlaus Jensen * Setting this property to true enables Read Across Zone Boundaries. 15088eea45cSKlaus Jensen */ 15188eea45cSKlaus Jensen 15288eea45cSKlaus Jensen #include "qemu/osdep.h" 15388eea45cSKlaus Jensen #include "qemu/cutils.h" 15488eea45cSKlaus Jensen #include "qemu/error-report.h" 15588eea45cSKlaus Jensen #include "qemu/log.h" 15688eea45cSKlaus Jensen #include "qemu/units.h" 15788eea45cSKlaus Jensen #include "qapi/error.h" 15888eea45cSKlaus Jensen #include "qapi/visitor.h" 15988eea45cSKlaus Jensen #include "sysemu/sysemu.h" 16088eea45cSKlaus Jensen #include "sysemu/block-backend.h" 16188eea45cSKlaus Jensen #include "sysemu/hostmem.h" 16288eea45cSKlaus Jensen #include "hw/pci/msix.h" 16388eea45cSKlaus Jensen #include "migration/vmstate.h" 16488eea45cSKlaus Jensen 16588eea45cSKlaus Jensen #include "nvme.h" 16605f7ae45SKlaus Jensen #include "dif.h" 16788eea45cSKlaus Jensen #include "trace.h" 16888eea45cSKlaus Jensen 16988eea45cSKlaus Jensen #define NVME_MAX_IOQPAIRS 0xffff 17088eea45cSKlaus Jensen #define NVME_DB_SIZE 4 17188eea45cSKlaus Jensen #define NVME_SPEC_VER 0x00010400 17288eea45cSKlaus Jensen #define NVME_CMB_BIR 2 17388eea45cSKlaus Jensen #define NVME_PMR_BIR 4 17488eea45cSKlaus Jensen #define NVME_TEMPERATURE 0x143 17588eea45cSKlaus Jensen #define NVME_TEMPERATURE_WARNING 0x157 17688eea45cSKlaus Jensen #define NVME_TEMPERATURE_CRITICAL 0x175 17788eea45cSKlaus Jensen #define NVME_NUM_FW_SLOTS 1 17888eea45cSKlaus Jensen #define NVME_DEFAULT_MAX_ZA_SIZE (128 * KiB) 17988eea45cSKlaus Jensen 18088eea45cSKlaus Jensen #define NVME_GUEST_ERR(trace, fmt, ...) \ 18188eea45cSKlaus Jensen do { \ 18288eea45cSKlaus Jensen (trace_##trace)(__VA_ARGS__); \ 18388eea45cSKlaus Jensen qemu_log_mask(LOG_GUEST_ERROR, #trace \ 18488eea45cSKlaus Jensen " in %s: " fmt "\n", __func__, ## __VA_ARGS__); \ 18588eea45cSKlaus Jensen } while (0) 18688eea45cSKlaus Jensen 18788eea45cSKlaus Jensen static const bool nvme_feature_support[NVME_FID_MAX] = { 18888eea45cSKlaus Jensen [NVME_ARBITRATION] = true, 18988eea45cSKlaus Jensen [NVME_POWER_MANAGEMENT] = true, 19088eea45cSKlaus Jensen [NVME_TEMPERATURE_THRESHOLD] = true, 19188eea45cSKlaus Jensen [NVME_ERROR_RECOVERY] = true, 19288eea45cSKlaus Jensen [NVME_VOLATILE_WRITE_CACHE] = true, 19388eea45cSKlaus Jensen [NVME_NUMBER_OF_QUEUES] = true, 19488eea45cSKlaus Jensen [NVME_INTERRUPT_COALESCING] = true, 19588eea45cSKlaus Jensen [NVME_INTERRUPT_VECTOR_CONF] = true, 19688eea45cSKlaus Jensen [NVME_WRITE_ATOMICITY] = true, 19788eea45cSKlaus Jensen [NVME_ASYNCHRONOUS_EVENT_CONF] = true, 19888eea45cSKlaus Jensen [NVME_TIMESTAMP] = true, 199*d0c0697bSNaveen Nagar [NVME_HOST_BEHAVIOR_SUPPORT] = true, 20088eea45cSKlaus Jensen [NVME_COMMAND_SET_PROFILE] = true, 20188eea45cSKlaus Jensen }; 20288eea45cSKlaus Jensen 20388eea45cSKlaus Jensen static const uint32_t nvme_feature_cap[NVME_FID_MAX] = { 20488eea45cSKlaus Jensen [NVME_TEMPERATURE_THRESHOLD] = NVME_FEAT_CAP_CHANGE, 20588eea45cSKlaus Jensen [NVME_ERROR_RECOVERY] = NVME_FEAT_CAP_CHANGE | NVME_FEAT_CAP_NS, 20688eea45cSKlaus Jensen [NVME_VOLATILE_WRITE_CACHE] = NVME_FEAT_CAP_CHANGE, 20788eea45cSKlaus Jensen [NVME_NUMBER_OF_QUEUES] = NVME_FEAT_CAP_CHANGE, 20888eea45cSKlaus Jensen [NVME_ASYNCHRONOUS_EVENT_CONF] = NVME_FEAT_CAP_CHANGE, 20988eea45cSKlaus Jensen [NVME_TIMESTAMP] = NVME_FEAT_CAP_CHANGE, 210*d0c0697bSNaveen Nagar [NVME_HOST_BEHAVIOR_SUPPORT] = NVME_FEAT_CAP_CHANGE, 21188eea45cSKlaus Jensen [NVME_COMMAND_SET_PROFILE] = NVME_FEAT_CAP_CHANGE, 21288eea45cSKlaus Jensen }; 21388eea45cSKlaus Jensen 21488eea45cSKlaus Jensen static const uint32_t nvme_cse_acs[256] = { 21588eea45cSKlaus Jensen [NVME_ADM_CMD_DELETE_SQ] = NVME_CMD_EFF_CSUPP, 21688eea45cSKlaus Jensen [NVME_ADM_CMD_CREATE_SQ] = NVME_CMD_EFF_CSUPP, 21788eea45cSKlaus Jensen [NVME_ADM_CMD_GET_LOG_PAGE] = NVME_CMD_EFF_CSUPP, 21888eea45cSKlaus Jensen [NVME_ADM_CMD_DELETE_CQ] = NVME_CMD_EFF_CSUPP, 21988eea45cSKlaus Jensen [NVME_ADM_CMD_CREATE_CQ] = NVME_CMD_EFF_CSUPP, 22088eea45cSKlaus Jensen [NVME_ADM_CMD_IDENTIFY] = NVME_CMD_EFF_CSUPP, 22188eea45cSKlaus Jensen [NVME_ADM_CMD_ABORT] = NVME_CMD_EFF_CSUPP, 22288eea45cSKlaus Jensen [NVME_ADM_CMD_SET_FEATURES] = NVME_CMD_EFF_CSUPP, 22388eea45cSKlaus Jensen [NVME_ADM_CMD_GET_FEATURES] = NVME_CMD_EFF_CSUPP, 22488eea45cSKlaus Jensen [NVME_ADM_CMD_ASYNC_EV_REQ] = NVME_CMD_EFF_CSUPP, 22588eea45cSKlaus Jensen [NVME_ADM_CMD_NS_ATTACHMENT] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_NIC, 22688eea45cSKlaus Jensen [NVME_ADM_CMD_FORMAT_NVM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 22788eea45cSKlaus Jensen }; 22888eea45cSKlaus Jensen 22988eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_none[256]; 23088eea45cSKlaus Jensen 23188eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_nvm[256] = { 23288eea45cSKlaus Jensen [NVME_CMD_FLUSH] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 23388eea45cSKlaus Jensen [NVME_CMD_WRITE_ZEROES] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 23488eea45cSKlaus Jensen [NVME_CMD_WRITE] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 23588eea45cSKlaus Jensen [NVME_CMD_READ] = NVME_CMD_EFF_CSUPP, 23688eea45cSKlaus Jensen [NVME_CMD_DSM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 23788eea45cSKlaus Jensen [NVME_CMD_VERIFY] = NVME_CMD_EFF_CSUPP, 23888eea45cSKlaus Jensen [NVME_CMD_COPY] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 23988eea45cSKlaus Jensen [NVME_CMD_COMPARE] = NVME_CMD_EFF_CSUPP, 24088eea45cSKlaus Jensen }; 24188eea45cSKlaus Jensen 24288eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_zoned[256] = { 24388eea45cSKlaus Jensen [NVME_CMD_FLUSH] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 24488eea45cSKlaus Jensen [NVME_CMD_WRITE_ZEROES] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 24588eea45cSKlaus Jensen [NVME_CMD_WRITE] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 24688eea45cSKlaus Jensen [NVME_CMD_READ] = NVME_CMD_EFF_CSUPP, 24788eea45cSKlaus Jensen [NVME_CMD_DSM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 24888eea45cSKlaus Jensen [NVME_CMD_VERIFY] = NVME_CMD_EFF_CSUPP, 24988eea45cSKlaus Jensen [NVME_CMD_COPY] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 25088eea45cSKlaus Jensen [NVME_CMD_COMPARE] = NVME_CMD_EFF_CSUPP, 25188eea45cSKlaus Jensen [NVME_CMD_ZONE_APPEND] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 25288eea45cSKlaus Jensen [NVME_CMD_ZONE_MGMT_SEND] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 25388eea45cSKlaus Jensen [NVME_CMD_ZONE_MGMT_RECV] = NVME_CMD_EFF_CSUPP, 25488eea45cSKlaus Jensen }; 25588eea45cSKlaus Jensen 25688eea45cSKlaus Jensen static void nvme_process_sq(void *opaque); 25788eea45cSKlaus Jensen 25888eea45cSKlaus Jensen static uint16_t nvme_sqid(NvmeRequest *req) 25988eea45cSKlaus Jensen { 26088eea45cSKlaus Jensen return le16_to_cpu(req->sq->sqid); 26188eea45cSKlaus Jensen } 26288eea45cSKlaus Jensen 26388eea45cSKlaus Jensen static void nvme_assign_zone_state(NvmeNamespace *ns, NvmeZone *zone, 26488eea45cSKlaus Jensen NvmeZoneState state) 26588eea45cSKlaus Jensen { 26688eea45cSKlaus Jensen if (QTAILQ_IN_USE(zone, entry)) { 26788eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 26888eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 26988eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->exp_open_zones, zone, entry); 27088eea45cSKlaus Jensen break; 27188eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 27288eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->imp_open_zones, zone, entry); 27388eea45cSKlaus Jensen break; 27488eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 27588eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->closed_zones, zone, entry); 27688eea45cSKlaus Jensen break; 27788eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 27888eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->full_zones, zone, entry); 27988eea45cSKlaus Jensen default: 28088eea45cSKlaus Jensen ; 28188eea45cSKlaus Jensen } 28288eea45cSKlaus Jensen } 28388eea45cSKlaus Jensen 28488eea45cSKlaus Jensen nvme_set_zone_state(zone, state); 28588eea45cSKlaus Jensen 28688eea45cSKlaus Jensen switch (state) { 28788eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 28888eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->exp_open_zones, zone, entry); 28988eea45cSKlaus Jensen break; 29088eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 29188eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->imp_open_zones, zone, entry); 29288eea45cSKlaus Jensen break; 29388eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 29488eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->closed_zones, zone, entry); 29588eea45cSKlaus Jensen break; 29688eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 29788eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->full_zones, zone, entry); 29888eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 29988eea45cSKlaus Jensen break; 30088eea45cSKlaus Jensen default: 30188eea45cSKlaus Jensen zone->d.za = 0; 30288eea45cSKlaus Jensen } 30388eea45cSKlaus Jensen } 30488eea45cSKlaus Jensen 305e321b4cdSKlaus Jensen static uint16_t nvme_zns_check_resources(NvmeNamespace *ns, uint32_t act, 306e321b4cdSKlaus Jensen uint32_t opn, uint32_t zrwa) 30788eea45cSKlaus Jensen { 30888eea45cSKlaus Jensen if (ns->params.max_active_zones != 0 && 30988eea45cSKlaus Jensen ns->nr_active_zones + act > ns->params.max_active_zones) { 31088eea45cSKlaus Jensen trace_pci_nvme_err_insuff_active_res(ns->params.max_active_zones); 31188eea45cSKlaus Jensen return NVME_ZONE_TOO_MANY_ACTIVE | NVME_DNR; 31288eea45cSKlaus Jensen } 313e321b4cdSKlaus Jensen 31488eea45cSKlaus Jensen if (ns->params.max_open_zones != 0 && 31588eea45cSKlaus Jensen ns->nr_open_zones + opn > ns->params.max_open_zones) { 31688eea45cSKlaus Jensen trace_pci_nvme_err_insuff_open_res(ns->params.max_open_zones); 31788eea45cSKlaus Jensen return NVME_ZONE_TOO_MANY_OPEN | NVME_DNR; 31888eea45cSKlaus Jensen } 31988eea45cSKlaus Jensen 320e321b4cdSKlaus Jensen if (zrwa > ns->zns.numzrwa) { 321e321b4cdSKlaus Jensen return NVME_NOZRWA | NVME_DNR; 322e321b4cdSKlaus Jensen } 323e321b4cdSKlaus Jensen 32488eea45cSKlaus Jensen return NVME_SUCCESS; 32588eea45cSKlaus Jensen } 32688eea45cSKlaus Jensen 327e321b4cdSKlaus Jensen /* 328e321b4cdSKlaus Jensen * Check if we can open a zone without exceeding open/active limits. 329e321b4cdSKlaus Jensen * AOR stands for "Active and Open Resources" (see TP 4053 section 2.5). 330e321b4cdSKlaus Jensen */ 331e321b4cdSKlaus Jensen static uint16_t nvme_aor_check(NvmeNamespace *ns, uint32_t act, uint32_t opn) 332e321b4cdSKlaus Jensen { 333e321b4cdSKlaus Jensen return nvme_zns_check_resources(ns, act, opn, 0); 334e321b4cdSKlaus Jensen } 335e321b4cdSKlaus Jensen 33688eea45cSKlaus Jensen static bool nvme_addr_is_cmb(NvmeCtrl *n, hwaddr addr) 33788eea45cSKlaus Jensen { 33888eea45cSKlaus Jensen hwaddr hi, lo; 33988eea45cSKlaus Jensen 34088eea45cSKlaus Jensen if (!n->cmb.cmse) { 34188eea45cSKlaus Jensen return false; 34288eea45cSKlaus Jensen } 34388eea45cSKlaus Jensen 34488eea45cSKlaus Jensen lo = n->params.legacy_cmb ? n->cmb.mem.addr : n->cmb.cba; 34588eea45cSKlaus Jensen hi = lo + int128_get64(n->cmb.mem.size); 34688eea45cSKlaus Jensen 34788eea45cSKlaus Jensen return addr >= lo && addr < hi; 34888eea45cSKlaus Jensen } 34988eea45cSKlaus Jensen 35088eea45cSKlaus Jensen static inline void *nvme_addr_to_cmb(NvmeCtrl *n, hwaddr addr) 35188eea45cSKlaus Jensen { 35288eea45cSKlaus Jensen hwaddr base = n->params.legacy_cmb ? n->cmb.mem.addr : n->cmb.cba; 35388eea45cSKlaus Jensen return &n->cmb.buf[addr - base]; 35488eea45cSKlaus Jensen } 35588eea45cSKlaus Jensen 35688eea45cSKlaus Jensen static bool nvme_addr_is_pmr(NvmeCtrl *n, hwaddr addr) 35788eea45cSKlaus Jensen { 35888eea45cSKlaus Jensen hwaddr hi; 35988eea45cSKlaus Jensen 36088eea45cSKlaus Jensen if (!n->pmr.cmse) { 36188eea45cSKlaus Jensen return false; 36288eea45cSKlaus Jensen } 36388eea45cSKlaus Jensen 36488eea45cSKlaus Jensen hi = n->pmr.cba + int128_get64(n->pmr.dev->mr.size); 36588eea45cSKlaus Jensen 36688eea45cSKlaus Jensen return addr >= n->pmr.cba && addr < hi; 36788eea45cSKlaus Jensen } 36888eea45cSKlaus Jensen 36988eea45cSKlaus Jensen static inline void *nvme_addr_to_pmr(NvmeCtrl *n, hwaddr addr) 37088eea45cSKlaus Jensen { 37188eea45cSKlaus Jensen return memory_region_get_ram_ptr(&n->pmr.dev->mr) + (addr - n->pmr.cba); 37288eea45cSKlaus Jensen } 37388eea45cSKlaus Jensen 374736b0164SKlaus Jensen static inline bool nvme_addr_is_iomem(NvmeCtrl *n, hwaddr addr) 375736b0164SKlaus Jensen { 376736b0164SKlaus Jensen hwaddr hi, lo; 377736b0164SKlaus Jensen 378736b0164SKlaus Jensen /* 379736b0164SKlaus Jensen * The purpose of this check is to guard against invalid "local" access to 380736b0164SKlaus Jensen * the iomem (i.e. controller registers). Thus, we check against the range 381736b0164SKlaus Jensen * covered by the 'bar0' MemoryRegion since that is currently composed of 382736b0164SKlaus Jensen * two subregions (the NVMe "MBAR" and the MSI-X table/pba). Note, however, 383736b0164SKlaus Jensen * that if the device model is ever changed to allow the CMB to be located 384736b0164SKlaus Jensen * in BAR0 as well, then this must be changed. 385736b0164SKlaus Jensen */ 386736b0164SKlaus Jensen lo = n->bar0.addr; 387736b0164SKlaus Jensen hi = lo + int128_get64(n->bar0.size); 388736b0164SKlaus Jensen 389736b0164SKlaus Jensen return addr >= lo && addr < hi; 390736b0164SKlaus Jensen } 391736b0164SKlaus Jensen 39288eea45cSKlaus Jensen static int nvme_addr_read(NvmeCtrl *n, hwaddr addr, void *buf, int size) 39388eea45cSKlaus Jensen { 39488eea45cSKlaus Jensen hwaddr hi = addr + size - 1; 39588eea45cSKlaus Jensen if (hi < addr) { 39688eea45cSKlaus Jensen return 1; 39788eea45cSKlaus Jensen } 39888eea45cSKlaus Jensen 39988eea45cSKlaus Jensen if (n->bar.cmbsz && nvme_addr_is_cmb(n, addr) && nvme_addr_is_cmb(n, hi)) { 40088eea45cSKlaus Jensen memcpy(buf, nvme_addr_to_cmb(n, addr), size); 40188eea45cSKlaus Jensen return 0; 40288eea45cSKlaus Jensen } 40388eea45cSKlaus Jensen 40488eea45cSKlaus Jensen if (nvme_addr_is_pmr(n, addr) && nvme_addr_is_pmr(n, hi)) { 40588eea45cSKlaus Jensen memcpy(buf, nvme_addr_to_pmr(n, addr), size); 40688eea45cSKlaus Jensen return 0; 40788eea45cSKlaus Jensen } 40888eea45cSKlaus Jensen 40988eea45cSKlaus Jensen return pci_dma_read(&n->parent_obj, addr, buf, size); 41088eea45cSKlaus Jensen } 41188eea45cSKlaus Jensen 412e080ce86SPhilippe Mathieu-Daudé static int nvme_addr_write(NvmeCtrl *n, hwaddr addr, const void *buf, int size) 41388eea45cSKlaus Jensen { 41488eea45cSKlaus Jensen hwaddr hi = addr + size - 1; 41588eea45cSKlaus Jensen if (hi < addr) { 41688eea45cSKlaus Jensen return 1; 41788eea45cSKlaus Jensen } 41888eea45cSKlaus Jensen 41988eea45cSKlaus Jensen if (n->bar.cmbsz && nvme_addr_is_cmb(n, addr) && nvme_addr_is_cmb(n, hi)) { 42088eea45cSKlaus Jensen memcpy(nvme_addr_to_cmb(n, addr), buf, size); 42188eea45cSKlaus Jensen return 0; 42288eea45cSKlaus Jensen } 42388eea45cSKlaus Jensen 42488eea45cSKlaus Jensen if (nvme_addr_is_pmr(n, addr) && nvme_addr_is_pmr(n, hi)) { 42588eea45cSKlaus Jensen memcpy(nvme_addr_to_pmr(n, addr), buf, size); 42688eea45cSKlaus Jensen return 0; 42788eea45cSKlaus Jensen } 42888eea45cSKlaus Jensen 42988eea45cSKlaus Jensen return pci_dma_write(&n->parent_obj, addr, buf, size); 43088eea45cSKlaus Jensen } 43188eea45cSKlaus Jensen 43288eea45cSKlaus Jensen static bool nvme_nsid_valid(NvmeCtrl *n, uint32_t nsid) 43388eea45cSKlaus Jensen { 43488eea45cSKlaus Jensen return nsid && 43588eea45cSKlaus Jensen (nsid == NVME_NSID_BROADCAST || nsid <= NVME_MAX_NAMESPACES); 43688eea45cSKlaus Jensen } 43788eea45cSKlaus Jensen 43888eea45cSKlaus Jensen static int nvme_check_sqid(NvmeCtrl *n, uint16_t sqid) 43988eea45cSKlaus Jensen { 44088eea45cSKlaus Jensen return sqid < n->params.max_ioqpairs + 1 && n->sq[sqid] != NULL ? 0 : -1; 44188eea45cSKlaus Jensen } 44288eea45cSKlaus Jensen 44388eea45cSKlaus Jensen static int nvme_check_cqid(NvmeCtrl *n, uint16_t cqid) 44488eea45cSKlaus Jensen { 44588eea45cSKlaus Jensen return cqid < n->params.max_ioqpairs + 1 && n->cq[cqid] != NULL ? 0 : -1; 44688eea45cSKlaus Jensen } 44788eea45cSKlaus Jensen 44888eea45cSKlaus Jensen static void nvme_inc_cq_tail(NvmeCQueue *cq) 44988eea45cSKlaus Jensen { 45088eea45cSKlaus Jensen cq->tail++; 45188eea45cSKlaus Jensen if (cq->tail >= cq->size) { 45288eea45cSKlaus Jensen cq->tail = 0; 45388eea45cSKlaus Jensen cq->phase = !cq->phase; 45488eea45cSKlaus Jensen } 45588eea45cSKlaus Jensen } 45688eea45cSKlaus Jensen 45788eea45cSKlaus Jensen static void nvme_inc_sq_head(NvmeSQueue *sq) 45888eea45cSKlaus Jensen { 45988eea45cSKlaus Jensen sq->head = (sq->head + 1) % sq->size; 46088eea45cSKlaus Jensen } 46188eea45cSKlaus Jensen 46288eea45cSKlaus Jensen static uint8_t nvme_cq_full(NvmeCQueue *cq) 46388eea45cSKlaus Jensen { 46488eea45cSKlaus Jensen return (cq->tail + 1) % cq->size == cq->head; 46588eea45cSKlaus Jensen } 46688eea45cSKlaus Jensen 46788eea45cSKlaus Jensen static uint8_t nvme_sq_empty(NvmeSQueue *sq) 46888eea45cSKlaus Jensen { 46988eea45cSKlaus Jensen return sq->head == sq->tail; 47088eea45cSKlaus Jensen } 47188eea45cSKlaus Jensen 47288eea45cSKlaus Jensen static void nvme_irq_check(NvmeCtrl *n) 47388eea45cSKlaus Jensen { 47449e03457SKlaus Jensen uint32_t intms = ldl_le_p(&n->bar.intms); 47549e03457SKlaus Jensen 47688eea45cSKlaus Jensen if (msix_enabled(&(n->parent_obj))) { 47788eea45cSKlaus Jensen return; 47888eea45cSKlaus Jensen } 47949e03457SKlaus Jensen if (~intms & n->irq_status) { 48088eea45cSKlaus Jensen pci_irq_assert(&n->parent_obj); 48188eea45cSKlaus Jensen } else { 48288eea45cSKlaus Jensen pci_irq_deassert(&n->parent_obj); 48388eea45cSKlaus Jensen } 48488eea45cSKlaus Jensen } 48588eea45cSKlaus Jensen 48688eea45cSKlaus Jensen static void nvme_irq_assert(NvmeCtrl *n, NvmeCQueue *cq) 48788eea45cSKlaus Jensen { 48888eea45cSKlaus Jensen if (cq->irq_enabled) { 48988eea45cSKlaus Jensen if (msix_enabled(&(n->parent_obj))) { 49088eea45cSKlaus Jensen trace_pci_nvme_irq_msix(cq->vector); 49188eea45cSKlaus Jensen msix_notify(&(n->parent_obj), cq->vector); 49288eea45cSKlaus Jensen } else { 49388eea45cSKlaus Jensen trace_pci_nvme_irq_pin(); 49488eea45cSKlaus Jensen assert(cq->vector < 32); 49588eea45cSKlaus Jensen n->irq_status |= 1 << cq->vector; 49688eea45cSKlaus Jensen nvme_irq_check(n); 49788eea45cSKlaus Jensen } 49888eea45cSKlaus Jensen } else { 49988eea45cSKlaus Jensen trace_pci_nvme_irq_masked(); 50088eea45cSKlaus Jensen } 50188eea45cSKlaus Jensen } 50288eea45cSKlaus Jensen 50388eea45cSKlaus Jensen static void nvme_irq_deassert(NvmeCtrl *n, NvmeCQueue *cq) 50488eea45cSKlaus Jensen { 50588eea45cSKlaus Jensen if (cq->irq_enabled) { 50688eea45cSKlaus Jensen if (msix_enabled(&(n->parent_obj))) { 50788eea45cSKlaus Jensen return; 50888eea45cSKlaus Jensen } else { 50988eea45cSKlaus Jensen assert(cq->vector < 32); 51083d7ed5cSKlaus Jensen if (!n->cq_pending) { 51188eea45cSKlaus Jensen n->irq_status &= ~(1 << cq->vector); 51283d7ed5cSKlaus Jensen } 51388eea45cSKlaus Jensen nvme_irq_check(n); 51488eea45cSKlaus Jensen } 51588eea45cSKlaus Jensen } 51688eea45cSKlaus Jensen } 51788eea45cSKlaus Jensen 51888eea45cSKlaus Jensen static void nvme_req_clear(NvmeRequest *req) 51988eea45cSKlaus Jensen { 52088eea45cSKlaus Jensen req->ns = NULL; 52188eea45cSKlaus Jensen req->opaque = NULL; 52288eea45cSKlaus Jensen req->aiocb = NULL; 52388eea45cSKlaus Jensen memset(&req->cqe, 0x0, sizeof(req->cqe)); 52488eea45cSKlaus Jensen req->status = NVME_SUCCESS; 52588eea45cSKlaus Jensen } 52688eea45cSKlaus Jensen 52788eea45cSKlaus Jensen static inline void nvme_sg_init(NvmeCtrl *n, NvmeSg *sg, bool dma) 52888eea45cSKlaus Jensen { 52988eea45cSKlaus Jensen if (dma) { 53088eea45cSKlaus Jensen pci_dma_sglist_init(&sg->qsg, &n->parent_obj, 0); 53188eea45cSKlaus Jensen sg->flags = NVME_SG_DMA; 53288eea45cSKlaus Jensen } else { 53388eea45cSKlaus Jensen qemu_iovec_init(&sg->iov, 0); 53488eea45cSKlaus Jensen } 53588eea45cSKlaus Jensen 53688eea45cSKlaus Jensen sg->flags |= NVME_SG_ALLOC; 53788eea45cSKlaus Jensen } 53888eea45cSKlaus Jensen 53988eea45cSKlaus Jensen static inline void nvme_sg_unmap(NvmeSg *sg) 54088eea45cSKlaus Jensen { 54188eea45cSKlaus Jensen if (!(sg->flags & NVME_SG_ALLOC)) { 54288eea45cSKlaus Jensen return; 54388eea45cSKlaus Jensen } 54488eea45cSKlaus Jensen 54588eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 54688eea45cSKlaus Jensen qemu_sglist_destroy(&sg->qsg); 54788eea45cSKlaus Jensen } else { 54888eea45cSKlaus Jensen qemu_iovec_destroy(&sg->iov); 54988eea45cSKlaus Jensen } 55088eea45cSKlaus Jensen 55188eea45cSKlaus Jensen memset(sg, 0x0, sizeof(*sg)); 55288eea45cSKlaus Jensen } 55388eea45cSKlaus Jensen 55488eea45cSKlaus Jensen /* 55588eea45cSKlaus Jensen * When metadata is transfered as extended LBAs, the DPTR mapped into `sg` 55688eea45cSKlaus Jensen * holds both data and metadata. This function splits the data and metadata 55788eea45cSKlaus Jensen * into two separate QSG/IOVs. 55888eea45cSKlaus Jensen */ 55988eea45cSKlaus Jensen static void nvme_sg_split(NvmeSg *sg, NvmeNamespace *ns, NvmeSg *data, 56088eea45cSKlaus Jensen NvmeSg *mdata) 56188eea45cSKlaus Jensen { 56288eea45cSKlaus Jensen NvmeSg *dst = data; 56388eea45cSKlaus Jensen uint32_t trans_len, count = ns->lbasz; 56488eea45cSKlaus Jensen uint64_t offset = 0; 56588eea45cSKlaus Jensen bool dma = sg->flags & NVME_SG_DMA; 56688eea45cSKlaus Jensen size_t sge_len; 56788eea45cSKlaus Jensen size_t sg_len = dma ? sg->qsg.size : sg->iov.size; 56888eea45cSKlaus Jensen int sg_idx = 0; 56988eea45cSKlaus Jensen 57088eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 57188eea45cSKlaus Jensen 57288eea45cSKlaus Jensen while (sg_len) { 57388eea45cSKlaus Jensen sge_len = dma ? sg->qsg.sg[sg_idx].len : sg->iov.iov[sg_idx].iov_len; 57488eea45cSKlaus Jensen 57588eea45cSKlaus Jensen trans_len = MIN(sg_len, count); 57688eea45cSKlaus Jensen trans_len = MIN(trans_len, sge_len - offset); 57788eea45cSKlaus Jensen 57888eea45cSKlaus Jensen if (dst) { 57988eea45cSKlaus Jensen if (dma) { 58088eea45cSKlaus Jensen qemu_sglist_add(&dst->qsg, sg->qsg.sg[sg_idx].base + offset, 58188eea45cSKlaus Jensen trans_len); 58288eea45cSKlaus Jensen } else { 58388eea45cSKlaus Jensen qemu_iovec_add(&dst->iov, 58488eea45cSKlaus Jensen sg->iov.iov[sg_idx].iov_base + offset, 58588eea45cSKlaus Jensen trans_len); 58688eea45cSKlaus Jensen } 58788eea45cSKlaus Jensen } 58888eea45cSKlaus Jensen 58988eea45cSKlaus Jensen sg_len -= trans_len; 59088eea45cSKlaus Jensen count -= trans_len; 59188eea45cSKlaus Jensen offset += trans_len; 59288eea45cSKlaus Jensen 59388eea45cSKlaus Jensen if (count == 0) { 59488eea45cSKlaus Jensen dst = (dst == data) ? mdata : data; 59588eea45cSKlaus Jensen count = (dst == data) ? ns->lbasz : ns->lbaf.ms; 59688eea45cSKlaus Jensen } 59788eea45cSKlaus Jensen 59888eea45cSKlaus Jensen if (sge_len == offset) { 59988eea45cSKlaus Jensen offset = 0; 60088eea45cSKlaus Jensen sg_idx++; 60188eea45cSKlaus Jensen } 60288eea45cSKlaus Jensen } 60388eea45cSKlaus Jensen } 60488eea45cSKlaus Jensen 60588eea45cSKlaus Jensen static uint16_t nvme_map_addr_cmb(NvmeCtrl *n, QEMUIOVector *iov, hwaddr addr, 60688eea45cSKlaus Jensen size_t len) 60788eea45cSKlaus Jensen { 60888eea45cSKlaus Jensen if (!len) { 60988eea45cSKlaus Jensen return NVME_SUCCESS; 61088eea45cSKlaus Jensen } 61188eea45cSKlaus Jensen 61288eea45cSKlaus Jensen trace_pci_nvme_map_addr_cmb(addr, len); 61388eea45cSKlaus Jensen 61488eea45cSKlaus Jensen if (!nvme_addr_is_cmb(n, addr) || !nvme_addr_is_cmb(n, addr + len - 1)) { 61588eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 61688eea45cSKlaus Jensen } 61788eea45cSKlaus Jensen 61888eea45cSKlaus Jensen qemu_iovec_add(iov, nvme_addr_to_cmb(n, addr), len); 61988eea45cSKlaus Jensen 62088eea45cSKlaus Jensen return NVME_SUCCESS; 62188eea45cSKlaus Jensen } 62288eea45cSKlaus Jensen 62388eea45cSKlaus Jensen static uint16_t nvme_map_addr_pmr(NvmeCtrl *n, QEMUIOVector *iov, hwaddr addr, 62488eea45cSKlaus Jensen size_t len) 62588eea45cSKlaus Jensen { 62688eea45cSKlaus Jensen if (!len) { 62788eea45cSKlaus Jensen return NVME_SUCCESS; 62888eea45cSKlaus Jensen } 62988eea45cSKlaus Jensen 63088eea45cSKlaus Jensen if (!nvme_addr_is_pmr(n, addr) || !nvme_addr_is_pmr(n, addr + len - 1)) { 63188eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 63288eea45cSKlaus Jensen } 63388eea45cSKlaus Jensen 63488eea45cSKlaus Jensen qemu_iovec_add(iov, nvme_addr_to_pmr(n, addr), len); 63588eea45cSKlaus Jensen 63688eea45cSKlaus Jensen return NVME_SUCCESS; 63788eea45cSKlaus Jensen } 63888eea45cSKlaus Jensen 63988eea45cSKlaus Jensen static uint16_t nvme_map_addr(NvmeCtrl *n, NvmeSg *sg, hwaddr addr, size_t len) 64088eea45cSKlaus Jensen { 64188eea45cSKlaus Jensen bool cmb = false, pmr = false; 64288eea45cSKlaus Jensen 64388eea45cSKlaus Jensen if (!len) { 64488eea45cSKlaus Jensen return NVME_SUCCESS; 64588eea45cSKlaus Jensen } 64688eea45cSKlaus Jensen 64788eea45cSKlaus Jensen trace_pci_nvme_map_addr(addr, len); 64888eea45cSKlaus Jensen 649736b0164SKlaus Jensen if (nvme_addr_is_iomem(n, addr)) { 650736b0164SKlaus Jensen return NVME_DATA_TRAS_ERROR; 651736b0164SKlaus Jensen } 652736b0164SKlaus Jensen 65388eea45cSKlaus Jensen if (nvme_addr_is_cmb(n, addr)) { 65488eea45cSKlaus Jensen cmb = true; 65588eea45cSKlaus Jensen } else if (nvme_addr_is_pmr(n, addr)) { 65688eea45cSKlaus Jensen pmr = true; 65788eea45cSKlaus Jensen } 65888eea45cSKlaus Jensen 65988eea45cSKlaus Jensen if (cmb || pmr) { 66088eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 66188eea45cSKlaus Jensen return NVME_INVALID_USE_OF_CMB | NVME_DNR; 66288eea45cSKlaus Jensen } 66388eea45cSKlaus Jensen 66423421473SPadmakar Kalghatgi if (sg->iov.niov + 1 > IOV_MAX) { 66523421473SPadmakar Kalghatgi goto max_mappings_exceeded; 66623421473SPadmakar Kalghatgi } 66723421473SPadmakar Kalghatgi 66888eea45cSKlaus Jensen if (cmb) { 66988eea45cSKlaus Jensen return nvme_map_addr_cmb(n, &sg->iov, addr, len); 67088eea45cSKlaus Jensen } else { 67188eea45cSKlaus Jensen return nvme_map_addr_pmr(n, &sg->iov, addr, len); 67288eea45cSKlaus Jensen } 67388eea45cSKlaus Jensen } 67488eea45cSKlaus Jensen 67588eea45cSKlaus Jensen if (!(sg->flags & NVME_SG_DMA)) { 67688eea45cSKlaus Jensen return NVME_INVALID_USE_OF_CMB | NVME_DNR; 67788eea45cSKlaus Jensen } 67888eea45cSKlaus Jensen 67923421473SPadmakar Kalghatgi if (sg->qsg.nsg + 1 > IOV_MAX) { 68023421473SPadmakar Kalghatgi goto max_mappings_exceeded; 68123421473SPadmakar Kalghatgi } 68223421473SPadmakar Kalghatgi 68388eea45cSKlaus Jensen qemu_sglist_add(&sg->qsg, addr, len); 68488eea45cSKlaus Jensen 68588eea45cSKlaus Jensen return NVME_SUCCESS; 68623421473SPadmakar Kalghatgi 68723421473SPadmakar Kalghatgi max_mappings_exceeded: 68823421473SPadmakar Kalghatgi NVME_GUEST_ERR(pci_nvme_ub_too_many_mappings, 68923421473SPadmakar Kalghatgi "number of mappings exceed 1024"); 69023421473SPadmakar Kalghatgi return NVME_INTERNAL_DEV_ERROR | NVME_DNR; 69188eea45cSKlaus Jensen } 69288eea45cSKlaus Jensen 69388eea45cSKlaus Jensen static inline bool nvme_addr_is_dma(NvmeCtrl *n, hwaddr addr) 69488eea45cSKlaus Jensen { 69588eea45cSKlaus Jensen return !(nvme_addr_is_cmb(n, addr) || nvme_addr_is_pmr(n, addr)); 69688eea45cSKlaus Jensen } 69788eea45cSKlaus Jensen 69888eea45cSKlaus Jensen static uint16_t nvme_map_prp(NvmeCtrl *n, NvmeSg *sg, uint64_t prp1, 69988eea45cSKlaus Jensen uint64_t prp2, uint32_t len) 70088eea45cSKlaus Jensen { 70188eea45cSKlaus Jensen hwaddr trans_len = n->page_size - (prp1 % n->page_size); 70288eea45cSKlaus Jensen trans_len = MIN(len, trans_len); 70388eea45cSKlaus Jensen int num_prps = (len >> n->page_bits) + 1; 70488eea45cSKlaus Jensen uint16_t status; 70588eea45cSKlaus Jensen int ret; 70688eea45cSKlaus Jensen 70788eea45cSKlaus Jensen trace_pci_nvme_map_prp(trans_len, len, prp1, prp2, num_prps); 70888eea45cSKlaus Jensen 70988eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, prp1)); 71088eea45cSKlaus Jensen 71188eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp1, trans_len); 71288eea45cSKlaus Jensen if (status) { 71388eea45cSKlaus Jensen goto unmap; 71488eea45cSKlaus Jensen } 71588eea45cSKlaus Jensen 71688eea45cSKlaus Jensen len -= trans_len; 71788eea45cSKlaus Jensen if (len) { 71888eea45cSKlaus Jensen if (len > n->page_size) { 71988eea45cSKlaus Jensen uint64_t prp_list[n->max_prp_ents]; 72088eea45cSKlaus Jensen uint32_t nents, prp_trans; 72188eea45cSKlaus Jensen int i = 0; 72288eea45cSKlaus Jensen 72388eea45cSKlaus Jensen /* 72488eea45cSKlaus Jensen * The first PRP list entry, pointed to by PRP2 may contain offset. 72588eea45cSKlaus Jensen * Hence, we need to calculate the number of entries in based on 72688eea45cSKlaus Jensen * that offset. 72788eea45cSKlaus Jensen */ 72888eea45cSKlaus Jensen nents = (n->page_size - (prp2 & (n->page_size - 1))) >> 3; 72988eea45cSKlaus Jensen prp_trans = MIN(n->max_prp_ents, nents) * sizeof(uint64_t); 73088eea45cSKlaus Jensen ret = nvme_addr_read(n, prp2, (void *)prp_list, prp_trans); 73188eea45cSKlaus Jensen if (ret) { 73288eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(prp2); 73388eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 73488eea45cSKlaus Jensen goto unmap; 73588eea45cSKlaus Jensen } 73688eea45cSKlaus Jensen while (len != 0) { 73788eea45cSKlaus Jensen uint64_t prp_ent = le64_to_cpu(prp_list[i]); 73888eea45cSKlaus Jensen 73988eea45cSKlaus Jensen if (i == nents - 1 && len > n->page_size) { 74088eea45cSKlaus Jensen if (unlikely(prp_ent & (n->page_size - 1))) { 74188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prplist_ent(prp_ent); 74288eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 74388eea45cSKlaus Jensen goto unmap; 74488eea45cSKlaus Jensen } 74588eea45cSKlaus Jensen 74688eea45cSKlaus Jensen i = 0; 74788eea45cSKlaus Jensen nents = (len + n->page_size - 1) >> n->page_bits; 74888eea45cSKlaus Jensen nents = MIN(nents, n->max_prp_ents); 74988eea45cSKlaus Jensen prp_trans = nents * sizeof(uint64_t); 75088eea45cSKlaus Jensen ret = nvme_addr_read(n, prp_ent, (void *)prp_list, 75188eea45cSKlaus Jensen prp_trans); 75288eea45cSKlaus Jensen if (ret) { 75388eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(prp_ent); 75488eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 75588eea45cSKlaus Jensen goto unmap; 75688eea45cSKlaus Jensen } 75788eea45cSKlaus Jensen prp_ent = le64_to_cpu(prp_list[i]); 75888eea45cSKlaus Jensen } 75988eea45cSKlaus Jensen 76088eea45cSKlaus Jensen if (unlikely(prp_ent & (n->page_size - 1))) { 76188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prplist_ent(prp_ent); 76288eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 76388eea45cSKlaus Jensen goto unmap; 76488eea45cSKlaus Jensen } 76588eea45cSKlaus Jensen 76688eea45cSKlaus Jensen trans_len = MIN(len, n->page_size); 76788eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp_ent, trans_len); 76888eea45cSKlaus Jensen if (status) { 76988eea45cSKlaus Jensen goto unmap; 77088eea45cSKlaus Jensen } 77188eea45cSKlaus Jensen 77288eea45cSKlaus Jensen len -= trans_len; 77388eea45cSKlaus Jensen i++; 77488eea45cSKlaus Jensen } 77588eea45cSKlaus Jensen } else { 77688eea45cSKlaus Jensen if (unlikely(prp2 & (n->page_size - 1))) { 77788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prp2_align(prp2); 77888eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 77988eea45cSKlaus Jensen goto unmap; 78088eea45cSKlaus Jensen } 78188eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp2, len); 78288eea45cSKlaus Jensen if (status) { 78388eea45cSKlaus Jensen goto unmap; 78488eea45cSKlaus Jensen } 78588eea45cSKlaus Jensen } 78688eea45cSKlaus Jensen } 78788eea45cSKlaus Jensen 78888eea45cSKlaus Jensen return NVME_SUCCESS; 78988eea45cSKlaus Jensen 79088eea45cSKlaus Jensen unmap: 79188eea45cSKlaus Jensen nvme_sg_unmap(sg); 79288eea45cSKlaus Jensen return status; 79388eea45cSKlaus Jensen } 79488eea45cSKlaus Jensen 79588eea45cSKlaus Jensen /* 79688eea45cSKlaus Jensen * Map 'nsgld' data descriptors from 'segment'. The function will subtract the 79788eea45cSKlaus Jensen * number of bytes mapped in len. 79888eea45cSKlaus Jensen */ 79988eea45cSKlaus Jensen static uint16_t nvme_map_sgl_data(NvmeCtrl *n, NvmeSg *sg, 80088eea45cSKlaus Jensen NvmeSglDescriptor *segment, uint64_t nsgld, 80188eea45cSKlaus Jensen size_t *len, NvmeCmd *cmd) 80288eea45cSKlaus Jensen { 80388eea45cSKlaus Jensen dma_addr_t addr, trans_len; 80488eea45cSKlaus Jensen uint32_t dlen; 80588eea45cSKlaus Jensen uint16_t status; 80688eea45cSKlaus Jensen 80788eea45cSKlaus Jensen for (int i = 0; i < nsgld; i++) { 80888eea45cSKlaus Jensen uint8_t type = NVME_SGL_TYPE(segment[i].type); 80988eea45cSKlaus Jensen 81088eea45cSKlaus Jensen switch (type) { 81188eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_BIT_BUCKET: 81288eea45cSKlaus Jensen if (cmd->opcode == NVME_CMD_WRITE) { 81388eea45cSKlaus Jensen continue; 81488eea45cSKlaus Jensen } 81588eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_DATA_BLOCK: 81688eea45cSKlaus Jensen break; 81788eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_SEGMENT: 81888eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_LAST_SEGMENT: 81988eea45cSKlaus Jensen return NVME_INVALID_NUM_SGL_DESCRS | NVME_DNR; 82088eea45cSKlaus Jensen default: 82188eea45cSKlaus Jensen return NVME_SGL_DESCR_TYPE_INVALID | NVME_DNR; 82288eea45cSKlaus Jensen } 82388eea45cSKlaus Jensen 82488eea45cSKlaus Jensen dlen = le32_to_cpu(segment[i].len); 82588eea45cSKlaus Jensen 82688eea45cSKlaus Jensen if (!dlen) { 82788eea45cSKlaus Jensen continue; 82888eea45cSKlaus Jensen } 82988eea45cSKlaus Jensen 83088eea45cSKlaus Jensen if (*len == 0) { 83188eea45cSKlaus Jensen /* 83288eea45cSKlaus Jensen * All data has been mapped, but the SGL contains additional 83388eea45cSKlaus Jensen * segments and/or descriptors. The controller might accept 83488eea45cSKlaus Jensen * ignoring the rest of the SGL. 83588eea45cSKlaus Jensen */ 83688eea45cSKlaus Jensen uint32_t sgls = le32_to_cpu(n->id_ctrl.sgls); 83788eea45cSKlaus Jensen if (sgls & NVME_CTRL_SGLS_EXCESS_LENGTH) { 83888eea45cSKlaus Jensen break; 83988eea45cSKlaus Jensen } 84088eea45cSKlaus Jensen 84188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_sgl_excess_length(dlen); 84288eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 84388eea45cSKlaus Jensen } 84488eea45cSKlaus Jensen 84588eea45cSKlaus Jensen trans_len = MIN(*len, dlen); 84688eea45cSKlaus Jensen 84788eea45cSKlaus Jensen if (type == NVME_SGL_DESCR_TYPE_BIT_BUCKET) { 84888eea45cSKlaus Jensen goto next; 84988eea45cSKlaus Jensen } 85088eea45cSKlaus Jensen 85188eea45cSKlaus Jensen addr = le64_to_cpu(segment[i].addr); 85288eea45cSKlaus Jensen 85388eea45cSKlaus Jensen if (UINT64_MAX - addr < dlen) { 85488eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 85588eea45cSKlaus Jensen } 85688eea45cSKlaus Jensen 85788eea45cSKlaus Jensen status = nvme_map_addr(n, sg, addr, trans_len); 85888eea45cSKlaus Jensen if (status) { 85988eea45cSKlaus Jensen return status; 86088eea45cSKlaus Jensen } 86188eea45cSKlaus Jensen 86288eea45cSKlaus Jensen next: 86388eea45cSKlaus Jensen *len -= trans_len; 86488eea45cSKlaus Jensen } 86588eea45cSKlaus Jensen 86688eea45cSKlaus Jensen return NVME_SUCCESS; 86788eea45cSKlaus Jensen } 86888eea45cSKlaus Jensen 86988eea45cSKlaus Jensen static uint16_t nvme_map_sgl(NvmeCtrl *n, NvmeSg *sg, NvmeSglDescriptor sgl, 87088eea45cSKlaus Jensen size_t len, NvmeCmd *cmd) 87188eea45cSKlaus Jensen { 87288eea45cSKlaus Jensen /* 87388eea45cSKlaus Jensen * Read the segment in chunks of 256 descriptors (one 4k page) to avoid 87488eea45cSKlaus Jensen * dynamically allocating a potentially huge SGL. The spec allows the SGL 87588eea45cSKlaus Jensen * to be larger (as in number of bytes required to describe the SGL 87688eea45cSKlaus Jensen * descriptors and segment chain) than the command transfer size, so it is 87788eea45cSKlaus Jensen * not bounded by MDTS. 87888eea45cSKlaus Jensen */ 87988eea45cSKlaus Jensen const int SEG_CHUNK_SIZE = 256; 88088eea45cSKlaus Jensen 88188eea45cSKlaus Jensen NvmeSglDescriptor segment[SEG_CHUNK_SIZE], *sgld, *last_sgld; 88288eea45cSKlaus Jensen uint64_t nsgld; 88388eea45cSKlaus Jensen uint32_t seg_len; 88488eea45cSKlaus Jensen uint16_t status; 88588eea45cSKlaus Jensen hwaddr addr; 88688eea45cSKlaus Jensen int ret; 88788eea45cSKlaus Jensen 88888eea45cSKlaus Jensen sgld = &sgl; 88988eea45cSKlaus Jensen addr = le64_to_cpu(sgl.addr); 89088eea45cSKlaus Jensen 89188eea45cSKlaus Jensen trace_pci_nvme_map_sgl(NVME_SGL_TYPE(sgl.type), len); 89288eea45cSKlaus Jensen 89388eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, addr)); 89488eea45cSKlaus Jensen 89588eea45cSKlaus Jensen /* 89688eea45cSKlaus Jensen * If the entire transfer can be described with a single data block it can 89788eea45cSKlaus Jensen * be mapped directly. 89888eea45cSKlaus Jensen */ 89988eea45cSKlaus Jensen if (NVME_SGL_TYPE(sgl.type) == NVME_SGL_DESCR_TYPE_DATA_BLOCK) { 90088eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, sgld, 1, &len, cmd); 90188eea45cSKlaus Jensen if (status) { 90288eea45cSKlaus Jensen goto unmap; 90388eea45cSKlaus Jensen } 90488eea45cSKlaus Jensen 90588eea45cSKlaus Jensen goto out; 90688eea45cSKlaus Jensen } 90788eea45cSKlaus Jensen 90888eea45cSKlaus Jensen for (;;) { 90988eea45cSKlaus Jensen switch (NVME_SGL_TYPE(sgld->type)) { 91088eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_SEGMENT: 91188eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_LAST_SEGMENT: 91288eea45cSKlaus Jensen break; 91388eea45cSKlaus Jensen default: 91488eea45cSKlaus Jensen return NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 91588eea45cSKlaus Jensen } 91688eea45cSKlaus Jensen 91788eea45cSKlaus Jensen seg_len = le32_to_cpu(sgld->len); 91888eea45cSKlaus Jensen 91988eea45cSKlaus Jensen /* check the length of the (Last) Segment descriptor */ 92088eea45cSKlaus Jensen if ((!seg_len || seg_len & 0xf) && 92188eea45cSKlaus Jensen (NVME_SGL_TYPE(sgld->type) != NVME_SGL_DESCR_TYPE_BIT_BUCKET)) { 92288eea45cSKlaus Jensen return NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 92388eea45cSKlaus Jensen } 92488eea45cSKlaus Jensen 92588eea45cSKlaus Jensen if (UINT64_MAX - addr < seg_len) { 92688eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 92788eea45cSKlaus Jensen } 92888eea45cSKlaus Jensen 92988eea45cSKlaus Jensen nsgld = seg_len / sizeof(NvmeSglDescriptor); 93088eea45cSKlaus Jensen 93188eea45cSKlaus Jensen while (nsgld > SEG_CHUNK_SIZE) { 93288eea45cSKlaus Jensen if (nvme_addr_read(n, addr, segment, sizeof(segment))) { 93388eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 93488eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 93588eea45cSKlaus Jensen goto unmap; 93688eea45cSKlaus Jensen } 93788eea45cSKlaus Jensen 93888eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, SEG_CHUNK_SIZE, 93988eea45cSKlaus Jensen &len, cmd); 94088eea45cSKlaus Jensen if (status) { 94188eea45cSKlaus Jensen goto unmap; 94288eea45cSKlaus Jensen } 94388eea45cSKlaus Jensen 94488eea45cSKlaus Jensen nsgld -= SEG_CHUNK_SIZE; 94588eea45cSKlaus Jensen addr += SEG_CHUNK_SIZE * sizeof(NvmeSglDescriptor); 94688eea45cSKlaus Jensen } 94788eea45cSKlaus Jensen 94888eea45cSKlaus Jensen ret = nvme_addr_read(n, addr, segment, nsgld * 94988eea45cSKlaus Jensen sizeof(NvmeSglDescriptor)); 95088eea45cSKlaus Jensen if (ret) { 95188eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 95288eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 95388eea45cSKlaus Jensen goto unmap; 95488eea45cSKlaus Jensen } 95588eea45cSKlaus Jensen 95688eea45cSKlaus Jensen last_sgld = &segment[nsgld - 1]; 95788eea45cSKlaus Jensen 95888eea45cSKlaus Jensen /* 95988eea45cSKlaus Jensen * If the segment ends with a Data Block or Bit Bucket Descriptor Type, 96088eea45cSKlaus Jensen * then we are done. 96188eea45cSKlaus Jensen */ 96288eea45cSKlaus Jensen switch (NVME_SGL_TYPE(last_sgld->type)) { 96388eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_DATA_BLOCK: 96488eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_BIT_BUCKET: 96588eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, nsgld, &len, cmd); 96688eea45cSKlaus Jensen if (status) { 96788eea45cSKlaus Jensen goto unmap; 96888eea45cSKlaus Jensen } 96988eea45cSKlaus Jensen 97088eea45cSKlaus Jensen goto out; 97188eea45cSKlaus Jensen 97288eea45cSKlaus Jensen default: 97388eea45cSKlaus Jensen break; 97488eea45cSKlaus Jensen } 97588eea45cSKlaus Jensen 97688eea45cSKlaus Jensen /* 97788eea45cSKlaus Jensen * If the last descriptor was not a Data Block or Bit Bucket, then the 97888eea45cSKlaus Jensen * current segment must not be a Last Segment. 97988eea45cSKlaus Jensen */ 98088eea45cSKlaus Jensen if (NVME_SGL_TYPE(sgld->type) == NVME_SGL_DESCR_TYPE_LAST_SEGMENT) { 98188eea45cSKlaus Jensen status = NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 98288eea45cSKlaus Jensen goto unmap; 98388eea45cSKlaus Jensen } 98488eea45cSKlaus Jensen 98588eea45cSKlaus Jensen sgld = last_sgld; 98688eea45cSKlaus Jensen addr = le64_to_cpu(sgld->addr); 98788eea45cSKlaus Jensen 98888eea45cSKlaus Jensen /* 98988eea45cSKlaus Jensen * Do not map the last descriptor; it will be a Segment or Last Segment 99088eea45cSKlaus Jensen * descriptor and is handled by the next iteration. 99188eea45cSKlaus Jensen */ 99288eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, nsgld - 1, &len, cmd); 99388eea45cSKlaus Jensen if (status) { 99488eea45cSKlaus Jensen goto unmap; 99588eea45cSKlaus Jensen } 99688eea45cSKlaus Jensen } 99788eea45cSKlaus Jensen 99888eea45cSKlaus Jensen out: 99988eea45cSKlaus Jensen /* if there is any residual left in len, the SGL was too short */ 100088eea45cSKlaus Jensen if (len) { 100188eea45cSKlaus Jensen status = NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 100288eea45cSKlaus Jensen goto unmap; 100388eea45cSKlaus Jensen } 100488eea45cSKlaus Jensen 100588eea45cSKlaus Jensen return NVME_SUCCESS; 100688eea45cSKlaus Jensen 100788eea45cSKlaus Jensen unmap: 100888eea45cSKlaus Jensen nvme_sg_unmap(sg); 100988eea45cSKlaus Jensen return status; 101088eea45cSKlaus Jensen } 101188eea45cSKlaus Jensen 101288eea45cSKlaus Jensen uint16_t nvme_map_dptr(NvmeCtrl *n, NvmeSg *sg, size_t len, 101388eea45cSKlaus Jensen NvmeCmd *cmd) 101488eea45cSKlaus Jensen { 101588eea45cSKlaus Jensen uint64_t prp1, prp2; 101688eea45cSKlaus Jensen 101788eea45cSKlaus Jensen switch (NVME_CMD_FLAGS_PSDT(cmd->flags)) { 101888eea45cSKlaus Jensen case NVME_PSDT_PRP: 101988eea45cSKlaus Jensen prp1 = le64_to_cpu(cmd->dptr.prp1); 102088eea45cSKlaus Jensen prp2 = le64_to_cpu(cmd->dptr.prp2); 102188eea45cSKlaus Jensen 102288eea45cSKlaus Jensen return nvme_map_prp(n, sg, prp1, prp2, len); 102388eea45cSKlaus Jensen case NVME_PSDT_SGL_MPTR_CONTIGUOUS: 102488eea45cSKlaus Jensen case NVME_PSDT_SGL_MPTR_SGL: 102588eea45cSKlaus Jensen return nvme_map_sgl(n, sg, cmd->dptr.sgl, len, cmd); 102688eea45cSKlaus Jensen default: 102788eea45cSKlaus Jensen return NVME_INVALID_FIELD; 102888eea45cSKlaus Jensen } 102988eea45cSKlaus Jensen } 103088eea45cSKlaus Jensen 103188eea45cSKlaus Jensen static uint16_t nvme_map_mptr(NvmeCtrl *n, NvmeSg *sg, size_t len, 103288eea45cSKlaus Jensen NvmeCmd *cmd) 103388eea45cSKlaus Jensen { 103488eea45cSKlaus Jensen int psdt = NVME_CMD_FLAGS_PSDT(cmd->flags); 103588eea45cSKlaus Jensen hwaddr mptr = le64_to_cpu(cmd->mptr); 103688eea45cSKlaus Jensen uint16_t status; 103788eea45cSKlaus Jensen 103888eea45cSKlaus Jensen if (psdt == NVME_PSDT_SGL_MPTR_SGL) { 103988eea45cSKlaus Jensen NvmeSglDescriptor sgl; 104088eea45cSKlaus Jensen 104188eea45cSKlaus Jensen if (nvme_addr_read(n, mptr, &sgl, sizeof(sgl))) { 104288eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 104388eea45cSKlaus Jensen } 104488eea45cSKlaus Jensen 104588eea45cSKlaus Jensen status = nvme_map_sgl(n, sg, sgl, len, cmd); 104688eea45cSKlaus Jensen if (status && (status & 0x7ff) == NVME_DATA_SGL_LEN_INVALID) { 104788eea45cSKlaus Jensen status = NVME_MD_SGL_LEN_INVALID | NVME_DNR; 104888eea45cSKlaus Jensen } 104988eea45cSKlaus Jensen 105088eea45cSKlaus Jensen return status; 105188eea45cSKlaus Jensen } 105288eea45cSKlaus Jensen 105388eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, mptr)); 105488eea45cSKlaus Jensen status = nvme_map_addr(n, sg, mptr, len); 105588eea45cSKlaus Jensen if (status) { 105688eea45cSKlaus Jensen nvme_sg_unmap(sg); 105788eea45cSKlaus Jensen } 105888eea45cSKlaus Jensen 105988eea45cSKlaus Jensen return status; 106088eea45cSKlaus Jensen } 106188eea45cSKlaus Jensen 106288eea45cSKlaus Jensen static uint16_t nvme_map_data(NvmeCtrl *n, uint32_t nlb, NvmeRequest *req) 106388eea45cSKlaus Jensen { 106488eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 106588eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 10662a132309SKlaus Jensen bool pi = !!NVME_ID_NS_DPS_TYPE(ns->id_ns.dps); 10672a132309SKlaus Jensen bool pract = !!(le16_to_cpu(rw->control) & NVME_RW_PRINFO_PRACT); 106888eea45cSKlaus Jensen size_t len = nvme_l2b(ns, nlb); 106988eea45cSKlaus Jensen uint16_t status; 107088eea45cSKlaus Jensen 10712a132309SKlaus Jensen if (nvme_ns_ext(ns) && !(pi && pract && ns->lbaf.ms == 8)) { 107288eea45cSKlaus Jensen NvmeSg sg; 107388eea45cSKlaus Jensen 107488eea45cSKlaus Jensen len += nvme_m2b(ns, nlb); 107588eea45cSKlaus Jensen 107688eea45cSKlaus Jensen status = nvme_map_dptr(n, &sg, len, &req->cmd); 107788eea45cSKlaus Jensen if (status) { 107888eea45cSKlaus Jensen return status; 107988eea45cSKlaus Jensen } 108088eea45cSKlaus Jensen 108188eea45cSKlaus Jensen nvme_sg_init(n, &req->sg, sg.flags & NVME_SG_DMA); 108288eea45cSKlaus Jensen nvme_sg_split(&sg, ns, &req->sg, NULL); 108388eea45cSKlaus Jensen nvme_sg_unmap(&sg); 108488eea45cSKlaus Jensen 108588eea45cSKlaus Jensen return NVME_SUCCESS; 108688eea45cSKlaus Jensen } 108788eea45cSKlaus Jensen 108888eea45cSKlaus Jensen return nvme_map_dptr(n, &req->sg, len, &req->cmd); 108988eea45cSKlaus Jensen } 109088eea45cSKlaus Jensen 109188eea45cSKlaus Jensen static uint16_t nvme_map_mdata(NvmeCtrl *n, uint32_t nlb, NvmeRequest *req) 109288eea45cSKlaus Jensen { 109388eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 109488eea45cSKlaus Jensen size_t len = nvme_m2b(ns, nlb); 109588eea45cSKlaus Jensen uint16_t status; 109688eea45cSKlaus Jensen 109788eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 109888eea45cSKlaus Jensen NvmeSg sg; 109988eea45cSKlaus Jensen 110088eea45cSKlaus Jensen len += nvme_l2b(ns, nlb); 110188eea45cSKlaus Jensen 110288eea45cSKlaus Jensen status = nvme_map_dptr(n, &sg, len, &req->cmd); 110388eea45cSKlaus Jensen if (status) { 110488eea45cSKlaus Jensen return status; 110588eea45cSKlaus Jensen } 110688eea45cSKlaus Jensen 110788eea45cSKlaus Jensen nvme_sg_init(n, &req->sg, sg.flags & NVME_SG_DMA); 110888eea45cSKlaus Jensen nvme_sg_split(&sg, ns, NULL, &req->sg); 110988eea45cSKlaus Jensen nvme_sg_unmap(&sg); 111088eea45cSKlaus Jensen 111188eea45cSKlaus Jensen return NVME_SUCCESS; 111288eea45cSKlaus Jensen } 111388eea45cSKlaus Jensen 111488eea45cSKlaus Jensen return nvme_map_mptr(n, &req->sg, len, &req->cmd); 111588eea45cSKlaus Jensen } 111688eea45cSKlaus Jensen 111788eea45cSKlaus Jensen static uint16_t nvme_tx_interleaved(NvmeCtrl *n, NvmeSg *sg, uint8_t *ptr, 111888eea45cSKlaus Jensen uint32_t len, uint32_t bytes, 111988eea45cSKlaus Jensen int32_t skip_bytes, int64_t offset, 112088eea45cSKlaus Jensen NvmeTxDirection dir) 112188eea45cSKlaus Jensen { 112288eea45cSKlaus Jensen hwaddr addr; 112388eea45cSKlaus Jensen uint32_t trans_len, count = bytes; 112488eea45cSKlaus Jensen bool dma = sg->flags & NVME_SG_DMA; 112588eea45cSKlaus Jensen int64_t sge_len; 112688eea45cSKlaus Jensen int sg_idx = 0; 112788eea45cSKlaus Jensen int ret; 112888eea45cSKlaus Jensen 112988eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 113088eea45cSKlaus Jensen 113188eea45cSKlaus Jensen while (len) { 113288eea45cSKlaus Jensen sge_len = dma ? sg->qsg.sg[sg_idx].len : sg->iov.iov[sg_idx].iov_len; 113388eea45cSKlaus Jensen 113488eea45cSKlaus Jensen if (sge_len - offset < 0) { 113588eea45cSKlaus Jensen offset -= sge_len; 113688eea45cSKlaus Jensen sg_idx++; 113788eea45cSKlaus Jensen continue; 113888eea45cSKlaus Jensen } 113988eea45cSKlaus Jensen 114088eea45cSKlaus Jensen if (sge_len == offset) { 114188eea45cSKlaus Jensen offset = 0; 114288eea45cSKlaus Jensen sg_idx++; 114388eea45cSKlaus Jensen continue; 114488eea45cSKlaus Jensen } 114588eea45cSKlaus Jensen 114688eea45cSKlaus Jensen trans_len = MIN(len, count); 114788eea45cSKlaus Jensen trans_len = MIN(trans_len, sge_len - offset); 114888eea45cSKlaus Jensen 114988eea45cSKlaus Jensen if (dma) { 115088eea45cSKlaus Jensen addr = sg->qsg.sg[sg_idx].base + offset; 115188eea45cSKlaus Jensen } else { 115288eea45cSKlaus Jensen addr = (hwaddr)(uintptr_t)sg->iov.iov[sg_idx].iov_base + offset; 115388eea45cSKlaus Jensen } 115488eea45cSKlaus Jensen 115588eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 115688eea45cSKlaus Jensen ret = nvme_addr_read(n, addr, ptr, trans_len); 115788eea45cSKlaus Jensen } else { 115888eea45cSKlaus Jensen ret = nvme_addr_write(n, addr, ptr, trans_len); 115988eea45cSKlaus Jensen } 116088eea45cSKlaus Jensen 116188eea45cSKlaus Jensen if (ret) { 116288eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 116388eea45cSKlaus Jensen } 116488eea45cSKlaus Jensen 116588eea45cSKlaus Jensen ptr += trans_len; 116688eea45cSKlaus Jensen len -= trans_len; 116788eea45cSKlaus Jensen count -= trans_len; 116888eea45cSKlaus Jensen offset += trans_len; 116988eea45cSKlaus Jensen 117088eea45cSKlaus Jensen if (count == 0) { 117188eea45cSKlaus Jensen count = bytes; 117288eea45cSKlaus Jensen offset += skip_bytes; 117388eea45cSKlaus Jensen } 117488eea45cSKlaus Jensen } 117588eea45cSKlaus Jensen 117688eea45cSKlaus Jensen return NVME_SUCCESS; 117788eea45cSKlaus Jensen } 117888eea45cSKlaus Jensen 11798d3a17beSPhilippe Mathieu-Daudé static uint16_t nvme_tx(NvmeCtrl *n, NvmeSg *sg, void *ptr, uint32_t len, 118088eea45cSKlaus Jensen NvmeTxDirection dir) 118188eea45cSKlaus Jensen { 118288eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 118388eea45cSKlaus Jensen 118488eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 1185392e48afSPhilippe Mathieu-Daudé const MemTxAttrs attrs = MEMTXATTRS_UNSPECIFIED; 1186bfa30f39SPhilippe Mathieu-Daudé dma_addr_t residual; 118788eea45cSKlaus Jensen 118888eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 1189f02b664aSPhilippe Mathieu-Daudé dma_buf_write(ptr, len, &residual, &sg->qsg, attrs); 119088eea45cSKlaus Jensen } else { 1191f02b664aSPhilippe Mathieu-Daudé dma_buf_read(ptr, len, &residual, &sg->qsg, attrs); 119288eea45cSKlaus Jensen } 119388eea45cSKlaus Jensen 119488eea45cSKlaus Jensen if (unlikely(residual)) { 119588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_dma(); 119688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 119788eea45cSKlaus Jensen } 119888eea45cSKlaus Jensen } else { 119988eea45cSKlaus Jensen size_t bytes; 120088eea45cSKlaus Jensen 120188eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 120288eea45cSKlaus Jensen bytes = qemu_iovec_to_buf(&sg->iov, 0, ptr, len); 120388eea45cSKlaus Jensen } else { 120488eea45cSKlaus Jensen bytes = qemu_iovec_from_buf(&sg->iov, 0, ptr, len); 120588eea45cSKlaus Jensen } 120688eea45cSKlaus Jensen 120788eea45cSKlaus Jensen if (unlikely(bytes != len)) { 120888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_dma(); 120988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 121088eea45cSKlaus Jensen } 121188eea45cSKlaus Jensen } 121288eea45cSKlaus Jensen 121388eea45cSKlaus Jensen return NVME_SUCCESS; 121488eea45cSKlaus Jensen } 121588eea45cSKlaus Jensen 12168d3a17beSPhilippe Mathieu-Daudé static inline uint16_t nvme_c2h(NvmeCtrl *n, void *ptr, uint32_t len, 121788eea45cSKlaus Jensen NvmeRequest *req) 121888eea45cSKlaus Jensen { 121988eea45cSKlaus Jensen uint16_t status; 122088eea45cSKlaus Jensen 122188eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 122288eea45cSKlaus Jensen if (status) { 122388eea45cSKlaus Jensen return status; 122488eea45cSKlaus Jensen } 122588eea45cSKlaus Jensen 122688eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, NVME_TX_DIRECTION_FROM_DEVICE); 122788eea45cSKlaus Jensen } 122888eea45cSKlaus Jensen 12298d3a17beSPhilippe Mathieu-Daudé static inline uint16_t nvme_h2c(NvmeCtrl *n, void *ptr, uint32_t len, 123088eea45cSKlaus Jensen NvmeRequest *req) 123188eea45cSKlaus Jensen { 123288eea45cSKlaus Jensen uint16_t status; 123388eea45cSKlaus Jensen 123488eea45cSKlaus Jensen status = nvme_map_dptr(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, NVME_TX_DIRECTION_TO_DEVICE); 124088eea45cSKlaus Jensen } 124188eea45cSKlaus Jensen 12428d3a17beSPhilippe Mathieu-Daudé uint16_t nvme_bounce_data(NvmeCtrl *n, void *ptr, uint32_t len, 124388eea45cSKlaus Jensen NvmeTxDirection dir, NvmeRequest *req) 124488eea45cSKlaus Jensen { 124588eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 124688eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 12472a132309SKlaus Jensen bool pi = !!NVME_ID_NS_DPS_TYPE(ns->id_ns.dps); 12482a132309SKlaus Jensen bool pract = !!(le16_to_cpu(rw->control) & NVME_RW_PRINFO_PRACT); 124988eea45cSKlaus Jensen 12502a132309SKlaus Jensen if (nvme_ns_ext(ns) && !(pi && pract && ns->lbaf.ms == 8)) { 125188eea45cSKlaus Jensen return nvme_tx_interleaved(n, &req->sg, ptr, len, ns->lbasz, 125288eea45cSKlaus Jensen ns->lbaf.ms, 0, dir); 125388eea45cSKlaus Jensen } 125488eea45cSKlaus Jensen 125588eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, dir); 125688eea45cSKlaus Jensen } 125788eea45cSKlaus Jensen 12588d3a17beSPhilippe Mathieu-Daudé uint16_t nvme_bounce_mdata(NvmeCtrl *n, void *ptr, uint32_t len, 125988eea45cSKlaus Jensen NvmeTxDirection dir, NvmeRequest *req) 126088eea45cSKlaus Jensen { 126188eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 126288eea45cSKlaus Jensen uint16_t status; 126388eea45cSKlaus Jensen 126488eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 126588eea45cSKlaus Jensen return nvme_tx_interleaved(n, &req->sg, ptr, len, ns->lbaf.ms, 126688eea45cSKlaus Jensen ns->lbasz, ns->lbasz, dir); 126788eea45cSKlaus Jensen } 126888eea45cSKlaus Jensen 126988eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 127088eea45cSKlaus Jensen 127188eea45cSKlaus Jensen status = nvme_map_mptr(n, &req->sg, len, &req->cmd); 127288eea45cSKlaus Jensen if (status) { 127388eea45cSKlaus Jensen return status; 127488eea45cSKlaus Jensen } 127588eea45cSKlaus Jensen 127688eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, dir); 127788eea45cSKlaus Jensen } 127888eea45cSKlaus Jensen 127988eea45cSKlaus Jensen static inline void nvme_blk_read(BlockBackend *blk, int64_t offset, 128088eea45cSKlaus Jensen BlockCompletionFunc *cb, NvmeRequest *req) 128188eea45cSKlaus Jensen { 128288eea45cSKlaus Jensen assert(req->sg.flags & NVME_SG_ALLOC); 128388eea45cSKlaus Jensen 128488eea45cSKlaus Jensen if (req->sg.flags & NVME_SG_DMA) { 128588eea45cSKlaus Jensen req->aiocb = dma_blk_read(blk, &req->sg.qsg, offset, BDRV_SECTOR_SIZE, 128688eea45cSKlaus Jensen cb, req); 128788eea45cSKlaus Jensen } else { 128888eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &req->sg.iov, 0, cb, req); 128988eea45cSKlaus Jensen } 129088eea45cSKlaus Jensen } 129188eea45cSKlaus Jensen 129288eea45cSKlaus Jensen static inline void nvme_blk_write(BlockBackend *blk, int64_t offset, 129388eea45cSKlaus Jensen BlockCompletionFunc *cb, NvmeRequest *req) 129488eea45cSKlaus Jensen { 129588eea45cSKlaus Jensen assert(req->sg.flags & NVME_SG_ALLOC); 129688eea45cSKlaus Jensen 129788eea45cSKlaus Jensen if (req->sg.flags & NVME_SG_DMA) { 129888eea45cSKlaus Jensen req->aiocb = dma_blk_write(blk, &req->sg.qsg, offset, BDRV_SECTOR_SIZE, 129988eea45cSKlaus Jensen cb, req); 130088eea45cSKlaus Jensen } else { 130188eea45cSKlaus Jensen req->aiocb = blk_aio_pwritev(blk, offset, &req->sg.iov, 0, cb, req); 130288eea45cSKlaus Jensen } 130388eea45cSKlaus Jensen } 130488eea45cSKlaus Jensen 130588eea45cSKlaus Jensen static void nvme_post_cqes(void *opaque) 130688eea45cSKlaus Jensen { 130788eea45cSKlaus Jensen NvmeCQueue *cq = opaque; 130888eea45cSKlaus Jensen NvmeCtrl *n = cq->ctrl; 130988eea45cSKlaus Jensen NvmeRequest *req, *next; 131083d7ed5cSKlaus Jensen bool pending = cq->head != cq->tail; 131188eea45cSKlaus Jensen int ret; 131288eea45cSKlaus Jensen 131388eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(req, &cq->req_list, entry, next) { 131488eea45cSKlaus Jensen NvmeSQueue *sq; 131588eea45cSKlaus Jensen hwaddr addr; 131688eea45cSKlaus Jensen 131788eea45cSKlaus Jensen if (nvme_cq_full(cq)) { 131888eea45cSKlaus Jensen break; 131988eea45cSKlaus Jensen } 132088eea45cSKlaus Jensen 132188eea45cSKlaus Jensen sq = req->sq; 132288eea45cSKlaus Jensen req->cqe.status = cpu_to_le16((req->status << 1) | cq->phase); 132388eea45cSKlaus Jensen req->cqe.sq_id = cpu_to_le16(sq->sqid); 132488eea45cSKlaus Jensen req->cqe.sq_head = cpu_to_le16(sq->head); 132588eea45cSKlaus Jensen addr = cq->dma_addr + cq->tail * n->cqe_size; 132688eea45cSKlaus Jensen ret = pci_dma_write(&n->parent_obj, addr, (void *)&req->cqe, 132788eea45cSKlaus Jensen sizeof(req->cqe)); 132888eea45cSKlaus Jensen if (ret) { 132988eea45cSKlaus Jensen trace_pci_nvme_err_addr_write(addr); 133088eea45cSKlaus Jensen trace_pci_nvme_err_cfs(); 133149e03457SKlaus Jensen stl_le_p(&n->bar.csts, NVME_CSTS_FAILED); 133288eea45cSKlaus Jensen break; 133388eea45cSKlaus Jensen } 133488eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->req_list, req, entry); 133588eea45cSKlaus Jensen nvme_inc_cq_tail(cq); 133688eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 133788eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->req_list, req, entry); 133888eea45cSKlaus Jensen } 133988eea45cSKlaus Jensen if (cq->tail != cq->head) { 134083d7ed5cSKlaus Jensen if (cq->irq_enabled && !pending) { 134183d7ed5cSKlaus Jensen n->cq_pending++; 134283d7ed5cSKlaus Jensen } 134383d7ed5cSKlaus Jensen 134488eea45cSKlaus Jensen nvme_irq_assert(n, cq); 134588eea45cSKlaus Jensen } 134688eea45cSKlaus Jensen } 134788eea45cSKlaus Jensen 134888eea45cSKlaus Jensen static void nvme_enqueue_req_completion(NvmeCQueue *cq, NvmeRequest *req) 134988eea45cSKlaus Jensen { 135088eea45cSKlaus Jensen assert(cq->cqid == req->sq->cqid); 135188eea45cSKlaus Jensen trace_pci_nvme_enqueue_req_completion(nvme_cid(req), cq->cqid, 1352f1c97407SKlaus Jensen le32_to_cpu(req->cqe.result), 1353f1c97407SKlaus Jensen le32_to_cpu(req->cqe.dw1), 135488eea45cSKlaus Jensen req->status); 135588eea45cSKlaus Jensen 135688eea45cSKlaus Jensen if (req->status) { 135788eea45cSKlaus Jensen trace_pci_nvme_err_req_status(nvme_cid(req), nvme_nsid(req->ns), 135888eea45cSKlaus Jensen req->status, req->cmd.opcode); 135988eea45cSKlaus Jensen } 136088eea45cSKlaus Jensen 136188eea45cSKlaus Jensen QTAILQ_REMOVE(&req->sq->out_req_list, req, entry); 136288eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&cq->req_list, req, entry); 136388eea45cSKlaus Jensen timer_mod(cq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); 136488eea45cSKlaus Jensen } 136588eea45cSKlaus Jensen 136688eea45cSKlaus Jensen static void nvme_process_aers(void *opaque) 136788eea45cSKlaus Jensen { 136888eea45cSKlaus Jensen NvmeCtrl *n = opaque; 136988eea45cSKlaus Jensen NvmeAsyncEvent *event, *next; 137088eea45cSKlaus Jensen 137188eea45cSKlaus Jensen trace_pci_nvme_process_aers(n->aer_queued); 137288eea45cSKlaus Jensen 137388eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(event, &n->aer_queue, entry, next) { 137488eea45cSKlaus Jensen NvmeRequest *req; 137588eea45cSKlaus Jensen NvmeAerResult *result; 137688eea45cSKlaus Jensen 137788eea45cSKlaus Jensen /* can't post cqe if there is nothing to complete */ 137888eea45cSKlaus Jensen if (!n->outstanding_aers) { 137988eea45cSKlaus Jensen trace_pci_nvme_no_outstanding_aers(); 138088eea45cSKlaus Jensen break; 138188eea45cSKlaus Jensen } 138288eea45cSKlaus Jensen 138388eea45cSKlaus Jensen /* ignore if masked (cqe posted, but event not cleared) */ 138488eea45cSKlaus Jensen if (n->aer_mask & (1 << event->result.event_type)) { 138588eea45cSKlaus Jensen trace_pci_nvme_aer_masked(event->result.event_type, n->aer_mask); 138688eea45cSKlaus Jensen continue; 138788eea45cSKlaus Jensen } 138888eea45cSKlaus Jensen 138988eea45cSKlaus Jensen QTAILQ_REMOVE(&n->aer_queue, event, entry); 139088eea45cSKlaus Jensen n->aer_queued--; 139188eea45cSKlaus Jensen 139288eea45cSKlaus Jensen n->aer_mask |= 1 << event->result.event_type; 139388eea45cSKlaus Jensen n->outstanding_aers--; 139488eea45cSKlaus Jensen 139588eea45cSKlaus Jensen req = n->aer_reqs[n->outstanding_aers]; 139688eea45cSKlaus Jensen 139788eea45cSKlaus Jensen result = (NvmeAerResult *) &req->cqe.result; 139888eea45cSKlaus Jensen result->event_type = event->result.event_type; 139988eea45cSKlaus Jensen result->event_info = event->result.event_info; 140088eea45cSKlaus Jensen result->log_page = event->result.log_page; 140188eea45cSKlaus Jensen g_free(event); 140288eea45cSKlaus Jensen 140388eea45cSKlaus Jensen trace_pci_nvme_aer_post_cqe(result->event_type, result->event_info, 140488eea45cSKlaus Jensen result->log_page); 140588eea45cSKlaus Jensen 140688eea45cSKlaus Jensen nvme_enqueue_req_completion(&n->admin_cq, req); 140788eea45cSKlaus Jensen } 140888eea45cSKlaus Jensen } 140988eea45cSKlaus Jensen 141088eea45cSKlaus Jensen static void nvme_enqueue_event(NvmeCtrl *n, uint8_t event_type, 141188eea45cSKlaus Jensen uint8_t event_info, uint8_t log_page) 141288eea45cSKlaus Jensen { 141388eea45cSKlaus Jensen NvmeAsyncEvent *event; 141488eea45cSKlaus Jensen 141588eea45cSKlaus Jensen trace_pci_nvme_enqueue_event(event_type, event_info, log_page); 141688eea45cSKlaus Jensen 141788eea45cSKlaus Jensen if (n->aer_queued == n->params.aer_max_queued) { 141888eea45cSKlaus Jensen trace_pci_nvme_enqueue_event_noqueue(n->aer_queued); 141988eea45cSKlaus Jensen return; 142088eea45cSKlaus Jensen } 142188eea45cSKlaus Jensen 142288eea45cSKlaus Jensen event = g_new(NvmeAsyncEvent, 1); 142388eea45cSKlaus Jensen event->result = (NvmeAerResult) { 142488eea45cSKlaus Jensen .event_type = event_type, 142588eea45cSKlaus Jensen .event_info = event_info, 142688eea45cSKlaus Jensen .log_page = log_page, 142788eea45cSKlaus Jensen }; 142888eea45cSKlaus Jensen 142988eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&n->aer_queue, event, entry); 143088eea45cSKlaus Jensen n->aer_queued++; 143188eea45cSKlaus Jensen 143288eea45cSKlaus Jensen nvme_process_aers(n); 143388eea45cSKlaus Jensen } 143488eea45cSKlaus Jensen 143588eea45cSKlaus Jensen static void nvme_smart_event(NvmeCtrl *n, uint8_t event) 143688eea45cSKlaus Jensen { 143788eea45cSKlaus Jensen uint8_t aer_info; 143888eea45cSKlaus Jensen 143988eea45cSKlaus Jensen /* Ref SPEC <Asynchronous Event Information 0x2013 SMART / Health Status> */ 144088eea45cSKlaus Jensen if (!(NVME_AEC_SMART(n->features.async_config) & event)) { 144188eea45cSKlaus Jensen return; 144288eea45cSKlaus Jensen } 144388eea45cSKlaus Jensen 144488eea45cSKlaus Jensen switch (event) { 144588eea45cSKlaus Jensen case NVME_SMART_SPARE: 144688eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_SPARE_THRESH; 144788eea45cSKlaus Jensen break; 144888eea45cSKlaus Jensen case NVME_SMART_TEMPERATURE: 144988eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_TEMP_THRESH; 145088eea45cSKlaus Jensen break; 145188eea45cSKlaus Jensen case NVME_SMART_RELIABILITY: 145288eea45cSKlaus Jensen case NVME_SMART_MEDIA_READ_ONLY: 145388eea45cSKlaus Jensen case NVME_SMART_FAILED_VOLATILE_MEDIA: 145488eea45cSKlaus Jensen case NVME_SMART_PMR_UNRELIABLE: 145588eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_RELIABILITY; 145688eea45cSKlaus Jensen break; 145788eea45cSKlaus Jensen default: 145888eea45cSKlaus Jensen return; 145988eea45cSKlaus Jensen } 146088eea45cSKlaus Jensen 146188eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_SMART, aer_info, NVME_LOG_SMART_INFO); 146288eea45cSKlaus Jensen } 146388eea45cSKlaus Jensen 146488eea45cSKlaus Jensen static void nvme_clear_events(NvmeCtrl *n, uint8_t event_type) 146588eea45cSKlaus Jensen { 146688eea45cSKlaus Jensen n->aer_mask &= ~(1 << event_type); 146788eea45cSKlaus Jensen if (!QTAILQ_EMPTY(&n->aer_queue)) { 146888eea45cSKlaus Jensen nvme_process_aers(n); 146988eea45cSKlaus Jensen } 147088eea45cSKlaus Jensen } 147188eea45cSKlaus Jensen 147288eea45cSKlaus Jensen static inline uint16_t nvme_check_mdts(NvmeCtrl *n, size_t len) 147388eea45cSKlaus Jensen { 147488eea45cSKlaus Jensen uint8_t mdts = n->params.mdts; 147588eea45cSKlaus Jensen 147688eea45cSKlaus Jensen if (mdts && len > n->page_size << mdts) { 147788eea45cSKlaus Jensen trace_pci_nvme_err_mdts(len); 147888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 147988eea45cSKlaus Jensen } 148088eea45cSKlaus Jensen 148188eea45cSKlaus Jensen return NVME_SUCCESS; 148288eea45cSKlaus Jensen } 148388eea45cSKlaus Jensen 148488eea45cSKlaus Jensen static inline uint16_t nvme_check_bounds(NvmeNamespace *ns, uint64_t slba, 148588eea45cSKlaus Jensen uint32_t nlb) 148688eea45cSKlaus Jensen { 148788eea45cSKlaus Jensen uint64_t nsze = le64_to_cpu(ns->id_ns.nsze); 148888eea45cSKlaus Jensen 148988eea45cSKlaus Jensen if (unlikely(UINT64_MAX - slba < nlb || slba + nlb > nsze)) { 149088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(slba, nlb, nsze); 149188eea45cSKlaus Jensen return NVME_LBA_RANGE | NVME_DNR; 149288eea45cSKlaus Jensen } 149388eea45cSKlaus Jensen 149488eea45cSKlaus Jensen return NVME_SUCCESS; 149588eea45cSKlaus Jensen } 149688eea45cSKlaus Jensen 1497ff0ac2c8SKlaus Jensen static int nvme_block_status_all(NvmeNamespace *ns, uint64_t slba, 1498ff0ac2c8SKlaus Jensen uint32_t nlb, int flags) 149988eea45cSKlaus Jensen { 150088eea45cSKlaus Jensen BlockDriverState *bs = blk_bs(ns->blkconf.blk); 150188eea45cSKlaus Jensen 150288eea45cSKlaus Jensen int64_t pnum = 0, bytes = nvme_l2b(ns, nlb); 150388eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 150488eea45cSKlaus Jensen int ret; 150588eea45cSKlaus Jensen 150688eea45cSKlaus Jensen /* 150788eea45cSKlaus Jensen * `pnum` holds the number of bytes after offset that shares the same 150888eea45cSKlaus Jensen * allocation status as the byte at offset. If `pnum` is different from 150988eea45cSKlaus Jensen * `bytes`, we should check the allocation status of the next range and 151088eea45cSKlaus Jensen * continue this until all bytes have been checked. 151188eea45cSKlaus Jensen */ 151288eea45cSKlaus Jensen do { 151388eea45cSKlaus Jensen bytes -= pnum; 151488eea45cSKlaus Jensen 151588eea45cSKlaus Jensen ret = bdrv_block_status(bs, offset, bytes, &pnum, NULL, NULL); 151688eea45cSKlaus Jensen if (ret < 0) { 1517ff0ac2c8SKlaus Jensen return ret; 151888eea45cSKlaus Jensen } 151988eea45cSKlaus Jensen 152088eea45cSKlaus Jensen 1521ff0ac2c8SKlaus Jensen trace_pci_nvme_block_status(offset, bytes, pnum, ret, 1522ff0ac2c8SKlaus Jensen !!(ret & BDRV_BLOCK_ZERO)); 152388eea45cSKlaus Jensen 1524ff0ac2c8SKlaus Jensen if (!(ret & flags)) { 1525ff0ac2c8SKlaus Jensen return 1; 152688eea45cSKlaus Jensen } 152788eea45cSKlaus Jensen 152888eea45cSKlaus Jensen offset += pnum; 152988eea45cSKlaus Jensen } while (pnum != bytes); 153088eea45cSKlaus Jensen 1531ff0ac2c8SKlaus Jensen return 0; 1532ff0ac2c8SKlaus Jensen } 1533ff0ac2c8SKlaus Jensen 1534ff0ac2c8SKlaus Jensen static uint16_t nvme_check_dulbe(NvmeNamespace *ns, uint64_t slba, 1535ff0ac2c8SKlaus Jensen uint32_t nlb) 1536ff0ac2c8SKlaus Jensen { 1537ff0ac2c8SKlaus Jensen int ret; 1538ff0ac2c8SKlaus Jensen Error *err = NULL; 1539ff0ac2c8SKlaus Jensen 1540ff0ac2c8SKlaus Jensen ret = nvme_block_status_all(ns, slba, nlb, BDRV_BLOCK_DATA); 1541ff0ac2c8SKlaus Jensen if (ret) { 1542ff0ac2c8SKlaus Jensen if (ret < 0) { 1543ff0ac2c8SKlaus Jensen error_setg_errno(&err, -ret, "unable to get block status"); 1544ff0ac2c8SKlaus Jensen error_report_err(err); 1545ff0ac2c8SKlaus Jensen 1546ff0ac2c8SKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 1547ff0ac2c8SKlaus Jensen } 1548ff0ac2c8SKlaus Jensen 1549ff0ac2c8SKlaus Jensen return NVME_DULB; 1550ff0ac2c8SKlaus Jensen } 1551ff0ac2c8SKlaus Jensen 155288eea45cSKlaus Jensen return NVME_SUCCESS; 155388eea45cSKlaus Jensen } 155488eea45cSKlaus Jensen 155588eea45cSKlaus Jensen static void nvme_aio_err(NvmeRequest *req, int ret) 155688eea45cSKlaus Jensen { 155788eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 155888eea45cSKlaus Jensen Error *local_err = NULL; 155988eea45cSKlaus Jensen 156088eea45cSKlaus Jensen switch (req->cmd.opcode) { 156188eea45cSKlaus Jensen case NVME_CMD_READ: 156288eea45cSKlaus Jensen status = NVME_UNRECOVERED_READ; 156388eea45cSKlaus Jensen break; 156488eea45cSKlaus Jensen case NVME_CMD_FLUSH: 156588eea45cSKlaus Jensen case NVME_CMD_WRITE: 156688eea45cSKlaus Jensen case NVME_CMD_WRITE_ZEROES: 156788eea45cSKlaus Jensen case NVME_CMD_ZONE_APPEND: 156888eea45cSKlaus Jensen status = NVME_WRITE_FAULT; 156988eea45cSKlaus Jensen break; 157088eea45cSKlaus Jensen default: 157188eea45cSKlaus Jensen status = NVME_INTERNAL_DEV_ERROR; 157288eea45cSKlaus Jensen break; 157388eea45cSKlaus Jensen } 157488eea45cSKlaus Jensen 157588eea45cSKlaus Jensen trace_pci_nvme_err_aio(nvme_cid(req), strerror(-ret), status); 157688eea45cSKlaus Jensen 157788eea45cSKlaus Jensen error_setg_errno(&local_err, -ret, "aio failed"); 157888eea45cSKlaus Jensen error_report_err(local_err); 157988eea45cSKlaus Jensen 158088eea45cSKlaus Jensen /* 158188eea45cSKlaus Jensen * Set the command status code to the first encountered error but allow a 158288eea45cSKlaus Jensen * subsequent Internal Device Error to trump it. 158388eea45cSKlaus Jensen */ 158488eea45cSKlaus Jensen if (req->status && status != NVME_INTERNAL_DEV_ERROR) { 158588eea45cSKlaus Jensen return; 158688eea45cSKlaus Jensen } 158788eea45cSKlaus Jensen 158888eea45cSKlaus Jensen req->status = status; 158988eea45cSKlaus Jensen } 159088eea45cSKlaus Jensen 159188eea45cSKlaus Jensen static inline uint32_t nvme_zone_idx(NvmeNamespace *ns, uint64_t slba) 159288eea45cSKlaus Jensen { 159388eea45cSKlaus Jensen return ns->zone_size_log2 > 0 ? slba >> ns->zone_size_log2 : 159488eea45cSKlaus Jensen slba / ns->zone_size; 159588eea45cSKlaus Jensen } 159688eea45cSKlaus Jensen 159788eea45cSKlaus Jensen static inline NvmeZone *nvme_get_zone_by_slba(NvmeNamespace *ns, uint64_t slba) 159888eea45cSKlaus Jensen { 159988eea45cSKlaus Jensen uint32_t zone_idx = nvme_zone_idx(ns, slba); 160088eea45cSKlaus Jensen 1601189a8bf7SKlaus Jensen if (zone_idx >= ns->num_zones) { 1602189a8bf7SKlaus Jensen return NULL; 1603189a8bf7SKlaus Jensen } 1604189a8bf7SKlaus Jensen 160588eea45cSKlaus Jensen return &ns->zone_array[zone_idx]; 160688eea45cSKlaus Jensen } 160788eea45cSKlaus Jensen 160888eea45cSKlaus Jensen static uint16_t nvme_check_zone_state_for_write(NvmeZone *zone) 160988eea45cSKlaus Jensen { 161088eea45cSKlaus Jensen uint64_t zslba = zone->d.zslba; 161188eea45cSKlaus Jensen 161288eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 161388eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 161488eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 161588eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 161688eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 161788eea45cSKlaus Jensen return NVME_SUCCESS; 161888eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 161988eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_full(zslba); 162088eea45cSKlaus Jensen return NVME_ZONE_FULL; 162188eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 162288eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_offline(zslba); 162388eea45cSKlaus Jensen return NVME_ZONE_OFFLINE; 162488eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 162588eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_read_only(zslba); 162688eea45cSKlaus Jensen return NVME_ZONE_READ_ONLY; 162788eea45cSKlaus Jensen default: 162888eea45cSKlaus Jensen assert(false); 162988eea45cSKlaus Jensen } 163088eea45cSKlaus Jensen 163188eea45cSKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 163288eea45cSKlaus Jensen } 163388eea45cSKlaus Jensen 163488eea45cSKlaus Jensen static uint16_t nvme_check_zone_write(NvmeNamespace *ns, NvmeZone *zone, 163588eea45cSKlaus Jensen uint64_t slba, uint32_t nlb) 163688eea45cSKlaus Jensen { 163788eea45cSKlaus Jensen uint64_t zcap = nvme_zone_wr_boundary(zone); 163888eea45cSKlaus Jensen uint16_t status; 163988eea45cSKlaus Jensen 164088eea45cSKlaus Jensen status = nvme_check_zone_state_for_write(zone); 164188eea45cSKlaus Jensen if (status) { 164288eea45cSKlaus Jensen return status; 164388eea45cSKlaus Jensen } 164488eea45cSKlaus Jensen 1645e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1646e321b4cdSKlaus Jensen uint64_t ezrwa = zone->w_ptr + 2 * ns->zns.zrwas; 1647e321b4cdSKlaus Jensen 1648e321b4cdSKlaus Jensen if (slba < zone->w_ptr || slba + nlb > ezrwa) { 1649e321b4cdSKlaus Jensen trace_pci_nvme_err_zone_invalid_write(slba, zone->w_ptr); 165088eea45cSKlaus Jensen return NVME_ZONE_INVALID_WRITE; 165188eea45cSKlaus Jensen } 1652e321b4cdSKlaus Jensen } else { 1653e321b4cdSKlaus Jensen if (unlikely(slba != zone->w_ptr)) { 1654e321b4cdSKlaus Jensen trace_pci_nvme_err_write_not_at_wp(slba, zone->d.zslba, 1655e321b4cdSKlaus Jensen zone->w_ptr); 1656e321b4cdSKlaus Jensen return NVME_ZONE_INVALID_WRITE; 1657e321b4cdSKlaus Jensen } 1658e321b4cdSKlaus Jensen } 165988eea45cSKlaus Jensen 166088eea45cSKlaus Jensen if (unlikely((slba + nlb) > zcap)) { 166188eea45cSKlaus Jensen trace_pci_nvme_err_zone_boundary(slba, nlb, zcap); 166288eea45cSKlaus Jensen return NVME_ZONE_BOUNDARY_ERROR; 166388eea45cSKlaus Jensen } 166488eea45cSKlaus Jensen 166588eea45cSKlaus Jensen return NVME_SUCCESS; 166688eea45cSKlaus Jensen } 166788eea45cSKlaus Jensen 166888eea45cSKlaus Jensen static uint16_t nvme_check_zone_state_for_read(NvmeZone *zone) 166988eea45cSKlaus Jensen { 167088eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 167188eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 167288eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 167388eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 167488eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 167588eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 167688eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 167788eea45cSKlaus Jensen return NVME_SUCCESS; 167888eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 167988eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_offline(zone->d.zslba); 168088eea45cSKlaus Jensen return NVME_ZONE_OFFLINE; 168188eea45cSKlaus Jensen default: 168288eea45cSKlaus Jensen assert(false); 168388eea45cSKlaus Jensen } 168488eea45cSKlaus Jensen 168588eea45cSKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 168688eea45cSKlaus Jensen } 168788eea45cSKlaus Jensen 168888eea45cSKlaus Jensen static uint16_t nvme_check_zone_read(NvmeNamespace *ns, uint64_t slba, 168988eea45cSKlaus Jensen uint32_t nlb) 169088eea45cSKlaus Jensen { 1691189a8bf7SKlaus Jensen NvmeZone *zone; 1692189a8bf7SKlaus Jensen uint64_t bndry, end; 169388eea45cSKlaus Jensen uint16_t status; 169488eea45cSKlaus Jensen 1695189a8bf7SKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 1696189a8bf7SKlaus Jensen assert(zone); 1697189a8bf7SKlaus Jensen 1698189a8bf7SKlaus Jensen bndry = nvme_zone_rd_boundary(ns, zone); 1699189a8bf7SKlaus Jensen end = slba + nlb; 1700189a8bf7SKlaus Jensen 170188eea45cSKlaus Jensen status = nvme_check_zone_state_for_read(zone); 170288eea45cSKlaus Jensen if (status) { 170388eea45cSKlaus Jensen ; 170488eea45cSKlaus Jensen } else if (unlikely(end > bndry)) { 170588eea45cSKlaus Jensen if (!ns->params.cross_zone_read) { 170688eea45cSKlaus Jensen status = NVME_ZONE_BOUNDARY_ERROR; 170788eea45cSKlaus Jensen } else { 170888eea45cSKlaus Jensen /* 170988eea45cSKlaus Jensen * Read across zone boundary - check that all subsequent 171088eea45cSKlaus Jensen * zones that are being read have an appropriate state. 171188eea45cSKlaus Jensen */ 171288eea45cSKlaus Jensen do { 171388eea45cSKlaus Jensen zone++; 171488eea45cSKlaus Jensen status = nvme_check_zone_state_for_read(zone); 171588eea45cSKlaus Jensen if (status) { 171688eea45cSKlaus Jensen break; 171788eea45cSKlaus Jensen } 171888eea45cSKlaus Jensen } while (end > nvme_zone_rd_boundary(ns, zone)); 171988eea45cSKlaus Jensen } 172088eea45cSKlaus Jensen } 172188eea45cSKlaus Jensen 172288eea45cSKlaus Jensen return status; 172388eea45cSKlaus Jensen } 172488eea45cSKlaus Jensen 172588eea45cSKlaus Jensen static uint16_t nvme_zrm_finish(NvmeNamespace *ns, NvmeZone *zone) 172688eea45cSKlaus Jensen { 172788eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 172888eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 172988eea45cSKlaus Jensen return NVME_SUCCESS; 173088eea45cSKlaus Jensen 173188eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 173288eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 173388eea45cSKlaus Jensen nvme_aor_dec_open(ns); 173488eea45cSKlaus Jensen /* fallthrough */ 173588eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 173688eea45cSKlaus Jensen nvme_aor_dec_active(ns); 1737e321b4cdSKlaus Jensen 1738e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1739e321b4cdSKlaus Jensen zone->d.za &= ~NVME_ZA_ZRWA_VALID; 1740e321b4cdSKlaus Jensen if (ns->params.numzrwa) { 1741e321b4cdSKlaus Jensen ns->zns.numzrwa++; 1742e321b4cdSKlaus Jensen } 1743e321b4cdSKlaus Jensen } 1744e321b4cdSKlaus Jensen 174588eea45cSKlaus Jensen /* fallthrough */ 174688eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 174788eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_FULL); 174888eea45cSKlaus Jensen return NVME_SUCCESS; 174988eea45cSKlaus Jensen 175088eea45cSKlaus Jensen default: 175188eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 175288eea45cSKlaus Jensen } 175388eea45cSKlaus Jensen } 175488eea45cSKlaus Jensen 175588eea45cSKlaus Jensen static uint16_t nvme_zrm_close(NvmeNamespace *ns, NvmeZone *zone) 175688eea45cSKlaus Jensen { 175788eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 175888eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 175988eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 176088eea45cSKlaus Jensen nvme_aor_dec_open(ns); 176188eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_CLOSED); 176288eea45cSKlaus Jensen /* fall through */ 176388eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 176488eea45cSKlaus Jensen return NVME_SUCCESS; 176588eea45cSKlaus Jensen 176688eea45cSKlaus Jensen default: 176788eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 176888eea45cSKlaus Jensen } 176988eea45cSKlaus Jensen } 177088eea45cSKlaus Jensen 177163d96e4fSKlaus Jensen static uint16_t nvme_zrm_reset(NvmeNamespace *ns, NvmeZone *zone) 177263d96e4fSKlaus Jensen { 177363d96e4fSKlaus Jensen switch (nvme_get_zone_state(zone)) { 177463d96e4fSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 177563d96e4fSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 177663d96e4fSKlaus Jensen nvme_aor_dec_open(ns); 177763d96e4fSKlaus Jensen /* fallthrough */ 177863d96e4fSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 177963d96e4fSKlaus Jensen nvme_aor_dec_active(ns); 1780e321b4cdSKlaus Jensen 1781e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1782e321b4cdSKlaus Jensen if (ns->params.numzrwa) { 1783e321b4cdSKlaus Jensen ns->zns.numzrwa++; 1784e321b4cdSKlaus Jensen } 1785e321b4cdSKlaus Jensen } 1786e321b4cdSKlaus Jensen 178763d96e4fSKlaus Jensen /* fallthrough */ 178863d96e4fSKlaus Jensen case NVME_ZONE_STATE_FULL: 178963d96e4fSKlaus Jensen zone->w_ptr = zone->d.zslba; 179063d96e4fSKlaus Jensen zone->d.wp = zone->w_ptr; 179163d96e4fSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_EMPTY); 179263d96e4fSKlaus Jensen /* fallthrough */ 179363d96e4fSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 179463d96e4fSKlaus Jensen return NVME_SUCCESS; 179563d96e4fSKlaus Jensen 179663d96e4fSKlaus Jensen default: 179763d96e4fSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 179863d96e4fSKlaus Jensen } 179963d96e4fSKlaus Jensen } 180063d96e4fSKlaus Jensen 180188eea45cSKlaus Jensen static void nvme_zrm_auto_transition_zone(NvmeNamespace *ns) 180288eea45cSKlaus Jensen { 180388eea45cSKlaus Jensen NvmeZone *zone; 180488eea45cSKlaus Jensen 180588eea45cSKlaus Jensen if (ns->params.max_open_zones && 180688eea45cSKlaus Jensen ns->nr_open_zones == ns->params.max_open_zones) { 180788eea45cSKlaus Jensen zone = QTAILQ_FIRST(&ns->imp_open_zones); 180888eea45cSKlaus Jensen if (zone) { 180988eea45cSKlaus Jensen /* 181088eea45cSKlaus Jensen * Automatically close this implicitly open zone. 181188eea45cSKlaus Jensen */ 181288eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->imp_open_zones, zone, entry); 181388eea45cSKlaus Jensen nvme_zrm_close(ns, zone); 181488eea45cSKlaus Jensen } 181588eea45cSKlaus Jensen } 181688eea45cSKlaus Jensen } 181788eea45cSKlaus Jensen 181888eea45cSKlaus Jensen enum { 181988eea45cSKlaus Jensen NVME_ZRM_AUTO = 1 << 0, 1820e321b4cdSKlaus Jensen NVME_ZRM_ZRWA = 1 << 1, 182188eea45cSKlaus Jensen }; 182288eea45cSKlaus Jensen 1823cccc2651SNiklas Cassel static uint16_t nvme_zrm_open_flags(NvmeCtrl *n, NvmeNamespace *ns, 1824cccc2651SNiklas Cassel NvmeZone *zone, int flags) 182588eea45cSKlaus Jensen { 182688eea45cSKlaus Jensen int act = 0; 182788eea45cSKlaus Jensen uint16_t status; 182888eea45cSKlaus Jensen 182988eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 183088eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 183188eea45cSKlaus Jensen act = 1; 183288eea45cSKlaus Jensen 183388eea45cSKlaus Jensen /* fallthrough */ 183488eea45cSKlaus Jensen 183588eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 1836cccc2651SNiklas Cassel if (n->params.auto_transition_zones) { 183788eea45cSKlaus Jensen nvme_zrm_auto_transition_zone(ns); 1838cccc2651SNiklas Cassel } 1839e321b4cdSKlaus Jensen status = nvme_zns_check_resources(ns, act, 1, 1840e321b4cdSKlaus Jensen (flags & NVME_ZRM_ZRWA) ? 1 : 0); 184188eea45cSKlaus Jensen if (status) { 184288eea45cSKlaus Jensen return status; 184388eea45cSKlaus Jensen } 184488eea45cSKlaus Jensen 184588eea45cSKlaus Jensen if (act) { 184688eea45cSKlaus Jensen nvme_aor_inc_active(ns); 184788eea45cSKlaus Jensen } 184888eea45cSKlaus Jensen 184988eea45cSKlaus Jensen nvme_aor_inc_open(ns); 185088eea45cSKlaus Jensen 185188eea45cSKlaus Jensen if (flags & NVME_ZRM_AUTO) { 185288eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_IMPLICITLY_OPEN); 185388eea45cSKlaus Jensen return NVME_SUCCESS; 185488eea45cSKlaus Jensen } 185588eea45cSKlaus Jensen 185688eea45cSKlaus Jensen /* fallthrough */ 185788eea45cSKlaus Jensen 185888eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 185988eea45cSKlaus Jensen if (flags & NVME_ZRM_AUTO) { 186088eea45cSKlaus Jensen return NVME_SUCCESS; 186188eea45cSKlaus Jensen } 186288eea45cSKlaus Jensen 186388eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_EXPLICITLY_OPEN); 186488eea45cSKlaus Jensen 186588eea45cSKlaus Jensen /* fallthrough */ 186688eea45cSKlaus Jensen 186788eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 1868e321b4cdSKlaus Jensen if (flags & NVME_ZRM_ZRWA) { 1869e321b4cdSKlaus Jensen ns->zns.numzrwa--; 1870e321b4cdSKlaus Jensen 1871e321b4cdSKlaus Jensen zone->d.za |= NVME_ZA_ZRWA_VALID; 1872e321b4cdSKlaus Jensen } 1873e321b4cdSKlaus Jensen 187488eea45cSKlaus Jensen return NVME_SUCCESS; 187588eea45cSKlaus Jensen 187688eea45cSKlaus Jensen default: 187788eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 187888eea45cSKlaus Jensen } 187988eea45cSKlaus Jensen } 188088eea45cSKlaus Jensen 1881cccc2651SNiklas Cassel static inline uint16_t nvme_zrm_auto(NvmeCtrl *n, NvmeNamespace *ns, 1882cccc2651SNiklas Cassel NvmeZone *zone) 188388eea45cSKlaus Jensen { 1884cccc2651SNiklas Cassel return nvme_zrm_open_flags(n, ns, zone, NVME_ZRM_AUTO); 188588eea45cSKlaus Jensen } 188688eea45cSKlaus Jensen 188788eea45cSKlaus Jensen static void nvme_advance_zone_wp(NvmeNamespace *ns, NvmeZone *zone, 188888eea45cSKlaus Jensen uint32_t nlb) 188988eea45cSKlaus Jensen { 189088eea45cSKlaus Jensen zone->d.wp += nlb; 189188eea45cSKlaus Jensen 189288eea45cSKlaus Jensen if (zone->d.wp == nvme_zone_wr_boundary(zone)) { 189388eea45cSKlaus Jensen nvme_zrm_finish(ns, zone); 189488eea45cSKlaus Jensen } 189588eea45cSKlaus Jensen } 189688eea45cSKlaus Jensen 1897e321b4cdSKlaus Jensen static void nvme_zoned_zrwa_implicit_flush(NvmeNamespace *ns, NvmeZone *zone, 1898e321b4cdSKlaus Jensen uint32_t nlbc) 1899e321b4cdSKlaus Jensen { 1900e321b4cdSKlaus Jensen uint16_t nzrwafgs = DIV_ROUND_UP(nlbc, ns->zns.zrwafg); 1901e321b4cdSKlaus Jensen 1902e321b4cdSKlaus Jensen nlbc = nzrwafgs * ns->zns.zrwafg; 1903e321b4cdSKlaus Jensen 1904e321b4cdSKlaus Jensen trace_pci_nvme_zoned_zrwa_implicit_flush(zone->d.zslba, nlbc); 1905e321b4cdSKlaus Jensen 1906e321b4cdSKlaus Jensen zone->w_ptr += nlbc; 1907e321b4cdSKlaus Jensen 1908e321b4cdSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlbc); 1909e321b4cdSKlaus Jensen } 1910e321b4cdSKlaus Jensen 191188eea45cSKlaus Jensen static void nvme_finalize_zoned_write(NvmeNamespace *ns, NvmeRequest *req) 191288eea45cSKlaus Jensen { 191388eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 191488eea45cSKlaus Jensen NvmeZone *zone; 191588eea45cSKlaus Jensen uint64_t slba; 191688eea45cSKlaus Jensen uint32_t nlb; 191788eea45cSKlaus Jensen 191888eea45cSKlaus Jensen slba = le64_to_cpu(rw->slba); 191988eea45cSKlaus Jensen nlb = le16_to_cpu(rw->nlb) + 1; 192088eea45cSKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 1921189a8bf7SKlaus Jensen assert(zone); 192288eea45cSKlaus Jensen 1923e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1924e321b4cdSKlaus Jensen uint64_t ezrwa = zone->w_ptr + ns->zns.zrwas - 1; 1925e321b4cdSKlaus Jensen uint64_t elba = slba + nlb - 1; 1926e321b4cdSKlaus Jensen 1927e321b4cdSKlaus Jensen if (elba > ezrwa) { 1928e321b4cdSKlaus Jensen nvme_zoned_zrwa_implicit_flush(ns, zone, elba - ezrwa); 1929e321b4cdSKlaus Jensen } 1930e321b4cdSKlaus Jensen 1931e321b4cdSKlaus Jensen return; 1932e321b4cdSKlaus Jensen } 1933e321b4cdSKlaus Jensen 193488eea45cSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlb); 193588eea45cSKlaus Jensen } 193688eea45cSKlaus Jensen 193788eea45cSKlaus Jensen static inline bool nvme_is_write(NvmeRequest *req) 193888eea45cSKlaus Jensen { 193988eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 194088eea45cSKlaus Jensen 194188eea45cSKlaus Jensen return rw->opcode == NVME_CMD_WRITE || 194288eea45cSKlaus Jensen rw->opcode == NVME_CMD_ZONE_APPEND || 194388eea45cSKlaus Jensen rw->opcode == NVME_CMD_WRITE_ZEROES; 194488eea45cSKlaus Jensen } 194588eea45cSKlaus Jensen 194638f4ac65SKlaus Jensen static AioContext *nvme_get_aio_context(BlockAIOCB *acb) 194738f4ac65SKlaus Jensen { 194838f4ac65SKlaus Jensen return qemu_get_aio_context(); 194938f4ac65SKlaus Jensen } 195038f4ac65SKlaus Jensen 195188eea45cSKlaus Jensen static void nvme_misc_cb(void *opaque, int ret) 195288eea45cSKlaus Jensen { 195388eea45cSKlaus Jensen NvmeRequest *req = opaque; 195488eea45cSKlaus Jensen 195538f4ac65SKlaus Jensen trace_pci_nvme_misc_cb(nvme_cid(req)); 195688eea45cSKlaus Jensen 195788eea45cSKlaus Jensen if (ret) { 195888eea45cSKlaus Jensen nvme_aio_err(req, ret); 195988eea45cSKlaus Jensen } 196088eea45cSKlaus Jensen 196188eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 196288eea45cSKlaus Jensen } 196388eea45cSKlaus Jensen 196488eea45cSKlaus Jensen void nvme_rw_complete_cb(void *opaque, int ret) 196588eea45cSKlaus Jensen { 196688eea45cSKlaus Jensen NvmeRequest *req = opaque; 196788eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 196888eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 196988eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 197088eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 197188eea45cSKlaus Jensen 197288eea45cSKlaus Jensen trace_pci_nvme_rw_complete_cb(nvme_cid(req), blk_name(blk)); 197388eea45cSKlaus Jensen 197488eea45cSKlaus Jensen if (ret) { 197588eea45cSKlaus Jensen block_acct_failed(stats, acct); 197688eea45cSKlaus Jensen nvme_aio_err(req, ret); 197788eea45cSKlaus Jensen } else { 197888eea45cSKlaus Jensen block_acct_done(stats, acct); 197988eea45cSKlaus Jensen } 198088eea45cSKlaus Jensen 198188eea45cSKlaus Jensen if (ns->params.zoned && nvme_is_write(req)) { 198288eea45cSKlaus Jensen nvme_finalize_zoned_write(ns, req); 198388eea45cSKlaus Jensen } 198488eea45cSKlaus Jensen 198588eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 198688eea45cSKlaus Jensen } 198788eea45cSKlaus Jensen 198888eea45cSKlaus Jensen static void nvme_rw_cb(void *opaque, int ret) 198988eea45cSKlaus Jensen { 199088eea45cSKlaus Jensen NvmeRequest *req = opaque; 199188eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 199288eea45cSKlaus Jensen 199388eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 199488eea45cSKlaus Jensen 199588eea45cSKlaus Jensen trace_pci_nvme_rw_cb(nvme_cid(req), blk_name(blk)); 199688eea45cSKlaus Jensen 199788eea45cSKlaus Jensen if (ret) { 199888eea45cSKlaus Jensen goto out; 199988eea45cSKlaus Jensen } 200088eea45cSKlaus Jensen 200188eea45cSKlaus Jensen if (ns->lbaf.ms) { 200288eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 200388eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 200488eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 200588eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 200688eea45cSKlaus Jensen 200788eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_WRITE_ZEROES) { 200888eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 200988eea45cSKlaus Jensen 201088eea45cSKlaus Jensen req->aiocb = blk_aio_pwrite_zeroes(blk, offset, mlen, 201188eea45cSKlaus Jensen BDRV_REQ_MAY_UNMAP, 201288eea45cSKlaus Jensen nvme_rw_complete_cb, req); 201388eea45cSKlaus Jensen return; 201488eea45cSKlaus Jensen } 201588eea45cSKlaus Jensen 201688eea45cSKlaus Jensen if (nvme_ns_ext(ns) || req->cmd.mptr) { 201788eea45cSKlaus Jensen uint16_t status; 201888eea45cSKlaus Jensen 201988eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 202088eea45cSKlaus Jensen status = nvme_map_mdata(nvme_ctrl(req), nlb, req); 202188eea45cSKlaus Jensen if (status) { 202288eea45cSKlaus Jensen ret = -EFAULT; 202388eea45cSKlaus Jensen goto out; 202488eea45cSKlaus Jensen } 202588eea45cSKlaus Jensen 202688eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_READ) { 202788eea45cSKlaus Jensen return nvme_blk_read(blk, offset, nvme_rw_complete_cb, req); 202888eea45cSKlaus Jensen } 202988eea45cSKlaus Jensen 203088eea45cSKlaus Jensen return nvme_blk_write(blk, offset, nvme_rw_complete_cb, req); 203188eea45cSKlaus Jensen } 203288eea45cSKlaus Jensen } 203388eea45cSKlaus Jensen 203488eea45cSKlaus Jensen out: 203588eea45cSKlaus Jensen nvme_rw_complete_cb(req, ret); 203688eea45cSKlaus Jensen } 203788eea45cSKlaus Jensen 203888eea45cSKlaus Jensen static void nvme_verify_cb(void *opaque, int ret) 203988eea45cSKlaus Jensen { 204088eea45cSKlaus Jensen NvmeBounceContext *ctx = opaque; 204188eea45cSKlaus Jensen NvmeRequest *req = ctx->req; 204288eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 204388eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 204488eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 204588eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 204688eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 204788eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 20482a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 204988eea45cSKlaus Jensen uint16_t apptag = le16_to_cpu(rw->apptag); 205088eea45cSKlaus Jensen uint16_t appmask = le16_to_cpu(rw->appmask); 205188eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 205288eea45cSKlaus Jensen uint16_t status; 205388eea45cSKlaus Jensen 20542a132309SKlaus Jensen trace_pci_nvme_verify_cb(nvme_cid(req), prinfo, apptag, appmask, reftag); 205588eea45cSKlaus Jensen 205688eea45cSKlaus Jensen if (ret) { 205788eea45cSKlaus Jensen block_acct_failed(stats, acct); 205888eea45cSKlaus Jensen nvme_aio_err(req, ret); 205988eea45cSKlaus Jensen goto out; 206088eea45cSKlaus Jensen } 206188eea45cSKlaus Jensen 206288eea45cSKlaus Jensen block_acct_done(stats, acct); 206388eea45cSKlaus Jensen 206488eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 206588eea45cSKlaus Jensen status = nvme_dif_mangle_mdata(ns, ctx->mdata.bounce, 206688eea45cSKlaus Jensen ctx->mdata.iov.size, slba); 206788eea45cSKlaus Jensen if (status) { 206888eea45cSKlaus Jensen req->status = status; 206988eea45cSKlaus Jensen goto out; 207088eea45cSKlaus Jensen } 207188eea45cSKlaus Jensen 207288eea45cSKlaus Jensen req->status = nvme_dif_check(ns, ctx->data.bounce, ctx->data.iov.size, 207388eea45cSKlaus Jensen ctx->mdata.bounce, ctx->mdata.iov.size, 20742a132309SKlaus Jensen prinfo, slba, apptag, appmask, &reftag); 207588eea45cSKlaus Jensen } 207688eea45cSKlaus Jensen 207788eea45cSKlaus Jensen out: 207888eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 207988eea45cSKlaus Jensen g_free(ctx->data.bounce); 208088eea45cSKlaus Jensen 208188eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->mdata.iov); 208288eea45cSKlaus Jensen g_free(ctx->mdata.bounce); 208388eea45cSKlaus Jensen 208488eea45cSKlaus Jensen g_free(ctx); 208588eea45cSKlaus Jensen 208688eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 208788eea45cSKlaus Jensen } 208888eea45cSKlaus Jensen 208988eea45cSKlaus Jensen 209088eea45cSKlaus Jensen static void nvme_verify_mdata_in_cb(void *opaque, int ret) 209188eea45cSKlaus Jensen { 209288eea45cSKlaus Jensen NvmeBounceContext *ctx = opaque; 209388eea45cSKlaus Jensen NvmeRequest *req = ctx->req; 209488eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 209588eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 209688eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 209788eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 209888eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 209988eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 210088eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 210188eea45cSKlaus Jensen 210288eea45cSKlaus Jensen trace_pci_nvme_verify_mdata_in_cb(nvme_cid(req), blk_name(blk)); 210388eea45cSKlaus Jensen 210488eea45cSKlaus Jensen if (ret) { 210588eea45cSKlaus Jensen goto out; 210688eea45cSKlaus Jensen } 210788eea45cSKlaus Jensen 210888eea45cSKlaus Jensen ctx->mdata.bounce = g_malloc(mlen); 210988eea45cSKlaus Jensen 211088eea45cSKlaus Jensen qemu_iovec_reset(&ctx->mdata.iov); 211188eea45cSKlaus Jensen qemu_iovec_add(&ctx->mdata.iov, ctx->mdata.bounce, mlen); 211288eea45cSKlaus Jensen 211388eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->mdata.iov, 0, 211488eea45cSKlaus Jensen nvme_verify_cb, ctx); 211588eea45cSKlaus Jensen return; 211688eea45cSKlaus Jensen 211788eea45cSKlaus Jensen out: 211888eea45cSKlaus Jensen nvme_verify_cb(ctx, ret); 211988eea45cSKlaus Jensen } 212088eea45cSKlaus Jensen 212188eea45cSKlaus Jensen struct nvme_compare_ctx { 212288eea45cSKlaus Jensen struct { 212388eea45cSKlaus Jensen QEMUIOVector iov; 212488eea45cSKlaus Jensen uint8_t *bounce; 212588eea45cSKlaus Jensen } data; 212688eea45cSKlaus Jensen 212788eea45cSKlaus Jensen struct { 212888eea45cSKlaus Jensen QEMUIOVector iov; 212988eea45cSKlaus Jensen uint8_t *bounce; 213088eea45cSKlaus Jensen } mdata; 213188eea45cSKlaus Jensen }; 213288eea45cSKlaus Jensen 213388eea45cSKlaus Jensen static void nvme_compare_mdata_cb(void *opaque, int ret) 213488eea45cSKlaus Jensen { 213588eea45cSKlaus Jensen NvmeRequest *req = opaque; 213688eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 213788eea45cSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 213888eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 21392a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 214088eea45cSKlaus Jensen uint16_t apptag = le16_to_cpu(rw->apptag); 214188eea45cSKlaus Jensen uint16_t appmask = le16_to_cpu(rw->appmask); 214288eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 214388eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = req->opaque; 214488eea45cSKlaus Jensen g_autofree uint8_t *buf = NULL; 214588eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 214688eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 214788eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 214888eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 214988eea45cSKlaus Jensen 215088eea45cSKlaus Jensen trace_pci_nvme_compare_mdata_cb(nvme_cid(req)); 215188eea45cSKlaus Jensen 215288eea45cSKlaus Jensen if (ret) { 215388eea45cSKlaus Jensen block_acct_failed(stats, acct); 215488eea45cSKlaus Jensen nvme_aio_err(req, ret); 215588eea45cSKlaus Jensen goto out; 215688eea45cSKlaus Jensen } 215788eea45cSKlaus Jensen 215888eea45cSKlaus Jensen buf = g_malloc(ctx->mdata.iov.size); 215988eea45cSKlaus Jensen 216088eea45cSKlaus Jensen status = nvme_bounce_mdata(n, buf, ctx->mdata.iov.size, 216188eea45cSKlaus Jensen NVME_TX_DIRECTION_TO_DEVICE, req); 216288eea45cSKlaus Jensen if (status) { 216388eea45cSKlaus Jensen req->status = status; 216488eea45cSKlaus Jensen goto out; 216588eea45cSKlaus Jensen } 216688eea45cSKlaus Jensen 216788eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 216888eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 216988eea45cSKlaus Jensen uint8_t *bufp; 217088eea45cSKlaus Jensen uint8_t *mbufp = ctx->mdata.bounce; 217188eea45cSKlaus Jensen uint8_t *end = mbufp + ctx->mdata.iov.size; 217288eea45cSKlaus Jensen int16_t pil = 0; 217388eea45cSKlaus Jensen 217488eea45cSKlaus Jensen status = nvme_dif_check(ns, ctx->data.bounce, ctx->data.iov.size, 21752a132309SKlaus Jensen ctx->mdata.bounce, ctx->mdata.iov.size, prinfo, 21760ca5c3ccSKlaus Jensen slba, apptag, appmask, &reftag); 217788eea45cSKlaus Jensen if (status) { 217888eea45cSKlaus Jensen req->status = status; 217988eea45cSKlaus Jensen goto out; 218088eea45cSKlaus Jensen } 218188eea45cSKlaus Jensen 218288eea45cSKlaus Jensen /* 218388eea45cSKlaus Jensen * When formatted with protection information, do not compare the DIF 218488eea45cSKlaus Jensen * tuple. 218588eea45cSKlaus Jensen */ 218688eea45cSKlaus Jensen if (!(ns->id_ns.dps & NVME_ID_NS_DPS_FIRST_EIGHT)) { 218788eea45cSKlaus Jensen pil = ns->lbaf.ms - sizeof(NvmeDifTuple); 218888eea45cSKlaus Jensen } 218988eea45cSKlaus Jensen 219088eea45cSKlaus Jensen for (bufp = buf; mbufp < end; bufp += ns->lbaf.ms, mbufp += ns->lbaf.ms) { 219188eea45cSKlaus Jensen if (memcmp(bufp + pil, mbufp + pil, ns->lbaf.ms - pil)) { 219288eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 219388eea45cSKlaus Jensen goto out; 219488eea45cSKlaus Jensen } 219588eea45cSKlaus Jensen } 219688eea45cSKlaus Jensen 219788eea45cSKlaus Jensen goto out; 219888eea45cSKlaus Jensen } 219988eea45cSKlaus Jensen 220088eea45cSKlaus Jensen if (memcmp(buf, ctx->mdata.bounce, ctx->mdata.iov.size)) { 220188eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 220288eea45cSKlaus Jensen goto out; 220388eea45cSKlaus Jensen } 220488eea45cSKlaus Jensen 220588eea45cSKlaus Jensen block_acct_done(stats, acct); 220688eea45cSKlaus Jensen 220788eea45cSKlaus Jensen out: 220888eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 220988eea45cSKlaus Jensen g_free(ctx->data.bounce); 221088eea45cSKlaus Jensen 221188eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->mdata.iov); 221288eea45cSKlaus Jensen g_free(ctx->mdata.bounce); 221388eea45cSKlaus Jensen 221488eea45cSKlaus Jensen g_free(ctx); 221588eea45cSKlaus Jensen 221688eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 221788eea45cSKlaus Jensen } 221888eea45cSKlaus Jensen 221988eea45cSKlaus Jensen static void nvme_compare_data_cb(void *opaque, int ret) 222088eea45cSKlaus Jensen { 222188eea45cSKlaus Jensen NvmeRequest *req = opaque; 222288eea45cSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 222388eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 222488eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 222588eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 222688eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 222788eea45cSKlaus Jensen 222888eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = req->opaque; 222988eea45cSKlaus Jensen g_autofree uint8_t *buf = NULL; 223088eea45cSKlaus Jensen uint16_t status; 223188eea45cSKlaus Jensen 223288eea45cSKlaus Jensen trace_pci_nvme_compare_data_cb(nvme_cid(req)); 223388eea45cSKlaus Jensen 223488eea45cSKlaus Jensen if (ret) { 223588eea45cSKlaus Jensen block_acct_failed(stats, acct); 223688eea45cSKlaus Jensen nvme_aio_err(req, ret); 223788eea45cSKlaus Jensen goto out; 223888eea45cSKlaus Jensen } 223988eea45cSKlaus Jensen 224088eea45cSKlaus Jensen buf = g_malloc(ctx->data.iov.size); 224188eea45cSKlaus Jensen 224288eea45cSKlaus Jensen status = nvme_bounce_data(n, buf, ctx->data.iov.size, 224388eea45cSKlaus Jensen NVME_TX_DIRECTION_TO_DEVICE, req); 224488eea45cSKlaus Jensen if (status) { 224588eea45cSKlaus Jensen req->status = status; 224688eea45cSKlaus Jensen goto out; 224788eea45cSKlaus Jensen } 224888eea45cSKlaus Jensen 224988eea45cSKlaus Jensen if (memcmp(buf, ctx->data.bounce, ctx->data.iov.size)) { 225088eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 225188eea45cSKlaus Jensen goto out; 225288eea45cSKlaus Jensen } 225388eea45cSKlaus Jensen 225488eea45cSKlaus Jensen if (ns->lbaf.ms) { 225588eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 225688eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 225788eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 225888eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 225988eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 226088eea45cSKlaus Jensen 226188eea45cSKlaus Jensen ctx->mdata.bounce = g_malloc(mlen); 226288eea45cSKlaus Jensen 226388eea45cSKlaus Jensen qemu_iovec_init(&ctx->mdata.iov, 1); 226488eea45cSKlaus Jensen qemu_iovec_add(&ctx->mdata.iov, ctx->mdata.bounce, mlen); 226588eea45cSKlaus Jensen 226688eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->mdata.iov, 0, 226788eea45cSKlaus Jensen nvme_compare_mdata_cb, req); 226888eea45cSKlaus Jensen return; 226988eea45cSKlaus Jensen } 227088eea45cSKlaus Jensen 227188eea45cSKlaus Jensen block_acct_done(stats, acct); 227288eea45cSKlaus Jensen 227388eea45cSKlaus Jensen out: 227488eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 227588eea45cSKlaus Jensen g_free(ctx->data.bounce); 227688eea45cSKlaus Jensen g_free(ctx); 227788eea45cSKlaus Jensen 227888eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 227988eea45cSKlaus Jensen } 228088eea45cSKlaus Jensen 2281d7d1474fSKlaus Jensen typedef struct NvmeDSMAIOCB { 2282d7d1474fSKlaus Jensen BlockAIOCB common; 2283d7d1474fSKlaus Jensen BlockAIOCB *aiocb; 2284d7d1474fSKlaus Jensen NvmeRequest *req; 2285d7d1474fSKlaus Jensen QEMUBH *bh; 2286d7d1474fSKlaus Jensen int ret; 2287d7d1474fSKlaus Jensen 2288d7d1474fSKlaus Jensen NvmeDsmRange *range; 2289d7d1474fSKlaus Jensen unsigned int nr; 2290d7d1474fSKlaus Jensen unsigned int idx; 2291d7d1474fSKlaus Jensen } NvmeDSMAIOCB; 2292d7d1474fSKlaus Jensen 2293d7d1474fSKlaus Jensen static void nvme_dsm_cancel(BlockAIOCB *aiocb) 2294d7d1474fSKlaus Jensen { 2295d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = container_of(aiocb, NvmeDSMAIOCB, common); 2296d7d1474fSKlaus Jensen 2297d7d1474fSKlaus Jensen /* break nvme_dsm_cb loop */ 2298d7d1474fSKlaus Jensen iocb->idx = iocb->nr; 2299d7d1474fSKlaus Jensen iocb->ret = -ECANCELED; 2300d7d1474fSKlaus Jensen 2301d7d1474fSKlaus Jensen if (iocb->aiocb) { 2302d7d1474fSKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 2303d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2304d7d1474fSKlaus Jensen } else { 2305d7d1474fSKlaus Jensen /* 2306d7d1474fSKlaus Jensen * We only reach this if nvme_dsm_cancel() has already been called or 2307d7d1474fSKlaus Jensen * the command ran to completion and nvme_dsm_bh is scheduled to run. 2308d7d1474fSKlaus Jensen */ 2309d7d1474fSKlaus Jensen assert(iocb->idx == iocb->nr); 2310d7d1474fSKlaus Jensen } 2311d7d1474fSKlaus Jensen } 2312d7d1474fSKlaus Jensen 2313d7d1474fSKlaus Jensen static const AIOCBInfo nvme_dsm_aiocb_info = { 2314d7d1474fSKlaus Jensen .aiocb_size = sizeof(NvmeDSMAIOCB), 2315d7d1474fSKlaus Jensen .cancel_async = nvme_dsm_cancel, 2316d7d1474fSKlaus Jensen }; 2317d7d1474fSKlaus Jensen 2318d7d1474fSKlaus Jensen static void nvme_dsm_bh(void *opaque) 2319d7d1474fSKlaus Jensen { 2320d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2321d7d1474fSKlaus Jensen 2322d7d1474fSKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 2323d7d1474fSKlaus Jensen 2324d7d1474fSKlaus Jensen qemu_bh_delete(iocb->bh); 2325d7d1474fSKlaus Jensen iocb->bh = NULL; 2326d7d1474fSKlaus Jensen qemu_aio_unref(iocb); 2327d7d1474fSKlaus Jensen } 2328d7d1474fSKlaus Jensen 2329d7d1474fSKlaus Jensen static void nvme_dsm_cb(void *opaque, int ret); 2330d7d1474fSKlaus Jensen 2331d7d1474fSKlaus Jensen static void nvme_dsm_md_cb(void *opaque, int ret) 2332d7d1474fSKlaus Jensen { 2333d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2334d7d1474fSKlaus Jensen NvmeRequest *req = iocb->req; 2335d7d1474fSKlaus Jensen NvmeNamespace *ns = req->ns; 2336d7d1474fSKlaus Jensen NvmeDsmRange *range; 2337d7d1474fSKlaus Jensen uint64_t slba; 2338d7d1474fSKlaus Jensen uint32_t nlb; 2339d7d1474fSKlaus Jensen 2340d7d1474fSKlaus Jensen if (ret < 0) { 2341d7d1474fSKlaus Jensen iocb->ret = ret; 2342d7d1474fSKlaus Jensen goto done; 2343d7d1474fSKlaus Jensen } 2344d7d1474fSKlaus Jensen 2345d7d1474fSKlaus Jensen if (!ns->lbaf.ms) { 2346d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 2347d7d1474fSKlaus Jensen return; 2348d7d1474fSKlaus Jensen } 2349d7d1474fSKlaus Jensen 2350d7d1474fSKlaus Jensen range = &iocb->range[iocb->idx - 1]; 2351d7d1474fSKlaus Jensen slba = le64_to_cpu(range->slba); 2352d7d1474fSKlaus Jensen nlb = le32_to_cpu(range->nlb); 2353d7d1474fSKlaus Jensen 2354d7d1474fSKlaus Jensen /* 2355d7d1474fSKlaus Jensen * Check that all block were discarded (zeroed); otherwise we do not zero 2356d7d1474fSKlaus Jensen * the metadata. 2357d7d1474fSKlaus Jensen */ 2358d7d1474fSKlaus Jensen 2359d7d1474fSKlaus Jensen ret = nvme_block_status_all(ns, slba, nlb, BDRV_BLOCK_ZERO); 2360d7d1474fSKlaus Jensen if (ret) { 2361d7d1474fSKlaus Jensen if (ret < 0) { 2362d7d1474fSKlaus Jensen iocb->ret = ret; 2363d7d1474fSKlaus Jensen goto done; 2364d7d1474fSKlaus Jensen } 2365d7d1474fSKlaus Jensen 2366d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 2367d7d1474fSKlaus Jensen } 2368d7d1474fSKlaus Jensen 2369d7d1474fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, nvme_moff(ns, slba), 2370d7d1474fSKlaus Jensen nvme_m2b(ns, nlb), BDRV_REQ_MAY_UNMAP, 2371d7d1474fSKlaus Jensen nvme_dsm_cb, iocb); 2372d7d1474fSKlaus Jensen return; 2373d7d1474fSKlaus Jensen 2374d7d1474fSKlaus Jensen done: 2375d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2376d7d1474fSKlaus Jensen qemu_bh_schedule(iocb->bh); 2377d7d1474fSKlaus Jensen } 2378d7d1474fSKlaus Jensen 2379d7d1474fSKlaus Jensen static void nvme_dsm_cb(void *opaque, int ret) 2380d7d1474fSKlaus Jensen { 2381d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2382d7d1474fSKlaus Jensen NvmeRequest *req = iocb->req; 2383d7d1474fSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 2384d7d1474fSKlaus Jensen NvmeNamespace *ns = req->ns; 2385d7d1474fSKlaus Jensen NvmeDsmRange *range; 2386d7d1474fSKlaus Jensen uint64_t slba; 2387d7d1474fSKlaus Jensen uint32_t nlb; 2388d7d1474fSKlaus Jensen 2389d7d1474fSKlaus Jensen if (ret < 0) { 2390d7d1474fSKlaus Jensen iocb->ret = ret; 2391d7d1474fSKlaus Jensen goto done; 2392d7d1474fSKlaus Jensen } 2393d7d1474fSKlaus Jensen 2394d7d1474fSKlaus Jensen next: 2395d7d1474fSKlaus Jensen if (iocb->idx == iocb->nr) { 2396d7d1474fSKlaus Jensen goto done; 2397d7d1474fSKlaus Jensen } 2398d7d1474fSKlaus Jensen 2399d7d1474fSKlaus Jensen range = &iocb->range[iocb->idx++]; 2400d7d1474fSKlaus Jensen slba = le64_to_cpu(range->slba); 2401d7d1474fSKlaus Jensen nlb = le32_to_cpu(range->nlb); 2402d7d1474fSKlaus Jensen 2403d7d1474fSKlaus Jensen trace_pci_nvme_dsm_deallocate(slba, nlb); 2404d7d1474fSKlaus Jensen 2405d7d1474fSKlaus Jensen if (nlb > n->dmrsl) { 2406d7d1474fSKlaus Jensen trace_pci_nvme_dsm_single_range_limit_exceeded(nlb, n->dmrsl); 2407d7d1474fSKlaus Jensen goto next; 2408d7d1474fSKlaus Jensen } 2409d7d1474fSKlaus Jensen 2410d7d1474fSKlaus Jensen if (nvme_check_bounds(ns, slba, nlb)) { 2411d7d1474fSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(slba, nlb, 2412d7d1474fSKlaus Jensen ns->id_ns.nsze); 2413d7d1474fSKlaus Jensen goto next; 2414d7d1474fSKlaus Jensen } 2415d7d1474fSKlaus Jensen 2416d7d1474fSKlaus Jensen iocb->aiocb = blk_aio_pdiscard(ns->blkconf.blk, nvme_l2b(ns, slba), 2417d7d1474fSKlaus Jensen nvme_l2b(ns, nlb), 2418d7d1474fSKlaus Jensen nvme_dsm_md_cb, iocb); 2419d7d1474fSKlaus Jensen return; 2420d7d1474fSKlaus Jensen 2421d7d1474fSKlaus Jensen done: 2422d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2423d7d1474fSKlaus Jensen qemu_bh_schedule(iocb->bh); 2424d7d1474fSKlaus Jensen } 2425d7d1474fSKlaus Jensen 242688eea45cSKlaus Jensen static uint16_t nvme_dsm(NvmeCtrl *n, NvmeRequest *req) 242788eea45cSKlaus Jensen { 242888eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 242988eea45cSKlaus Jensen NvmeDsmCmd *dsm = (NvmeDsmCmd *) &req->cmd; 243088eea45cSKlaus Jensen uint32_t attr = le32_to_cpu(dsm->attributes); 243188eea45cSKlaus Jensen uint32_t nr = (le32_to_cpu(dsm->nr) & 0xff) + 1; 243288eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 243388eea45cSKlaus Jensen 2434d7d1474fSKlaus Jensen trace_pci_nvme_dsm(nr, attr); 243588eea45cSKlaus Jensen 243688eea45cSKlaus Jensen if (attr & NVME_DSMGMT_AD) { 2437d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = blk_aio_get(&nvme_dsm_aiocb_info, ns->blkconf.blk, 2438d7d1474fSKlaus Jensen nvme_misc_cb, req); 243988eea45cSKlaus Jensen 2440d7d1474fSKlaus Jensen iocb->req = req; 2441d7d1474fSKlaus Jensen iocb->bh = qemu_bh_new(nvme_dsm_bh, iocb); 2442d7d1474fSKlaus Jensen iocb->ret = 0; 2443d7d1474fSKlaus Jensen iocb->range = g_new(NvmeDsmRange, nr); 2444d7d1474fSKlaus Jensen iocb->nr = nr; 2445d7d1474fSKlaus Jensen iocb->idx = 0; 2446d7d1474fSKlaus Jensen 2447d7d1474fSKlaus Jensen status = nvme_h2c(n, (uint8_t *)iocb->range, sizeof(NvmeDsmRange) * nr, 2448d7d1474fSKlaus Jensen req); 244988eea45cSKlaus Jensen if (status) { 245088eea45cSKlaus Jensen return status; 245188eea45cSKlaus Jensen } 245288eea45cSKlaus Jensen 2453d7d1474fSKlaus Jensen req->aiocb = &iocb->common; 2454d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 245588eea45cSKlaus Jensen 2456d7d1474fSKlaus Jensen return NVME_NO_COMPLETE; 245788eea45cSKlaus Jensen } 245888eea45cSKlaus Jensen 245988eea45cSKlaus Jensen return status; 246088eea45cSKlaus Jensen } 246188eea45cSKlaus Jensen 246288eea45cSKlaus Jensen static uint16_t nvme_verify(NvmeCtrl *n, NvmeRequest *req) 246388eea45cSKlaus Jensen { 246488eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 246588eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 246688eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 246788eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 246888eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 246988eea45cSKlaus Jensen size_t len = nvme_l2b(ns, nlb); 247088eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 24712a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 247288eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 247388eea45cSKlaus Jensen NvmeBounceContext *ctx = NULL; 247488eea45cSKlaus Jensen uint16_t status; 247588eea45cSKlaus Jensen 247688eea45cSKlaus Jensen trace_pci_nvme_verify(nvme_cid(req), nvme_nsid(ns), slba, nlb); 247788eea45cSKlaus Jensen 247888eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 24792a132309SKlaus Jensen status = nvme_check_prinfo(ns, prinfo, slba, reftag); 248088eea45cSKlaus Jensen if (status) { 248188eea45cSKlaus Jensen return status; 248288eea45cSKlaus Jensen } 248388eea45cSKlaus Jensen 24842a132309SKlaus Jensen if (prinfo & NVME_PRINFO_PRACT) { 248588eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 248688eea45cSKlaus Jensen } 248788eea45cSKlaus Jensen } 248888eea45cSKlaus Jensen 248988eea45cSKlaus Jensen if (len > n->page_size << n->params.vsl) { 249088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 249188eea45cSKlaus Jensen } 249288eea45cSKlaus Jensen 249388eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 249488eea45cSKlaus Jensen if (status) { 249588eea45cSKlaus Jensen return status; 249688eea45cSKlaus Jensen } 249788eea45cSKlaus Jensen 249888eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 249988eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 250088eea45cSKlaus Jensen if (status) { 250188eea45cSKlaus Jensen return status; 250288eea45cSKlaus Jensen } 250388eea45cSKlaus Jensen } 250488eea45cSKlaus Jensen 250588eea45cSKlaus Jensen ctx = g_new0(NvmeBounceContext, 1); 250688eea45cSKlaus Jensen ctx->req = req; 250788eea45cSKlaus Jensen 250888eea45cSKlaus Jensen ctx->data.bounce = g_malloc(len); 250988eea45cSKlaus Jensen 251088eea45cSKlaus Jensen qemu_iovec_init(&ctx->data.iov, 1); 251188eea45cSKlaus Jensen qemu_iovec_add(&ctx->data.iov, ctx->data.bounce, len); 251288eea45cSKlaus Jensen 251388eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, ctx->data.iov.size, 251488eea45cSKlaus Jensen BLOCK_ACCT_READ); 251588eea45cSKlaus Jensen 251688eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(ns->blkconf.blk, offset, &ctx->data.iov, 0, 251788eea45cSKlaus Jensen nvme_verify_mdata_in_cb, ctx); 251888eea45cSKlaus Jensen return NVME_NO_COMPLETE; 251988eea45cSKlaus Jensen } 252088eea45cSKlaus Jensen 2521796d2068SKlaus Jensen typedef struct NvmeCopyAIOCB { 2522796d2068SKlaus Jensen BlockAIOCB common; 2523796d2068SKlaus Jensen BlockAIOCB *aiocb; 2524796d2068SKlaus Jensen NvmeRequest *req; 2525796d2068SKlaus Jensen QEMUBH *bh; 2526796d2068SKlaus Jensen int ret; 2527796d2068SKlaus Jensen 2528796d2068SKlaus Jensen NvmeCopySourceRange *ranges; 2529796d2068SKlaus Jensen int nr; 2530796d2068SKlaus Jensen int idx; 2531796d2068SKlaus Jensen 2532796d2068SKlaus Jensen uint8_t *bounce; 2533796d2068SKlaus Jensen QEMUIOVector iov; 2534796d2068SKlaus Jensen struct { 2535796d2068SKlaus Jensen BlockAcctCookie read; 2536796d2068SKlaus Jensen BlockAcctCookie write; 2537796d2068SKlaus Jensen } acct; 2538796d2068SKlaus Jensen 2539796d2068SKlaus Jensen uint32_t reftag; 2540796d2068SKlaus Jensen uint64_t slba; 2541796d2068SKlaus Jensen 2542796d2068SKlaus Jensen NvmeZone *zone; 2543796d2068SKlaus Jensen } NvmeCopyAIOCB; 2544796d2068SKlaus Jensen 2545796d2068SKlaus Jensen static void nvme_copy_cancel(BlockAIOCB *aiocb) 254688eea45cSKlaus Jensen { 2547796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = container_of(aiocb, NvmeCopyAIOCB, common); 2548796d2068SKlaus Jensen 2549796d2068SKlaus Jensen iocb->ret = -ECANCELED; 2550796d2068SKlaus Jensen 2551796d2068SKlaus Jensen if (iocb->aiocb) { 2552796d2068SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 2553796d2068SKlaus Jensen iocb->aiocb = NULL; 2554796d2068SKlaus Jensen } 2555796d2068SKlaus Jensen } 2556796d2068SKlaus Jensen 2557796d2068SKlaus Jensen static const AIOCBInfo nvme_copy_aiocb_info = { 2558796d2068SKlaus Jensen .aiocb_size = sizeof(NvmeCopyAIOCB), 2559796d2068SKlaus Jensen .cancel_async = nvme_copy_cancel, 2560796d2068SKlaus Jensen }; 2561796d2068SKlaus Jensen 2562796d2068SKlaus Jensen static void nvme_copy_bh(void *opaque) 2563796d2068SKlaus Jensen { 2564796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2565796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 256688eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 2567796d2068SKlaus Jensen BlockAcctStats *stats = blk_get_stats(ns->blkconf.blk); 2568796d2068SKlaus Jensen 2569796d2068SKlaus Jensen if (iocb->idx != iocb->nr) { 2570796d2068SKlaus Jensen req->cqe.result = cpu_to_le32(iocb->idx); 2571796d2068SKlaus Jensen } 2572796d2068SKlaus Jensen 2573796d2068SKlaus Jensen qemu_iovec_destroy(&iocb->iov); 2574796d2068SKlaus Jensen g_free(iocb->bounce); 2575796d2068SKlaus Jensen 2576796d2068SKlaus Jensen qemu_bh_delete(iocb->bh); 2577796d2068SKlaus Jensen iocb->bh = NULL; 2578796d2068SKlaus Jensen 2579796d2068SKlaus Jensen if (iocb->ret < 0) { 2580796d2068SKlaus Jensen block_acct_failed(stats, &iocb->acct.read); 2581796d2068SKlaus Jensen block_acct_failed(stats, &iocb->acct.write); 2582796d2068SKlaus Jensen } else { 2583796d2068SKlaus Jensen block_acct_done(stats, &iocb->acct.read); 2584796d2068SKlaus Jensen block_acct_done(stats, &iocb->acct.write); 2585796d2068SKlaus Jensen } 2586796d2068SKlaus Jensen 2587796d2068SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 2588796d2068SKlaus Jensen qemu_aio_unref(iocb); 2589796d2068SKlaus Jensen } 2590796d2068SKlaus Jensen 2591796d2068SKlaus Jensen static void nvme_copy_cb(void *opaque, int ret); 2592796d2068SKlaus Jensen 2593796d2068SKlaus Jensen static void nvme_copy_out_completed_cb(void *opaque, int ret) 2594796d2068SKlaus Jensen { 2595796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2596796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2597796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2598796d2068SKlaus Jensen NvmeCopySourceRange *range = &iocb->ranges[iocb->idx]; 2599796d2068SKlaus Jensen uint32_t nlb = le32_to_cpu(range->nlb) + 1; 2600796d2068SKlaus Jensen 2601796d2068SKlaus Jensen if (ret < 0) { 2602796d2068SKlaus Jensen iocb->ret = ret; 2603796d2068SKlaus Jensen goto out; 2604796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2605796d2068SKlaus Jensen goto out; 2606796d2068SKlaus Jensen } 2607796d2068SKlaus Jensen 2608796d2068SKlaus Jensen if (ns->params.zoned) { 2609796d2068SKlaus Jensen nvme_advance_zone_wp(ns, iocb->zone, nlb); 2610796d2068SKlaus Jensen } 2611796d2068SKlaus Jensen 2612796d2068SKlaus Jensen iocb->idx++; 2613796d2068SKlaus Jensen iocb->slba += nlb; 2614796d2068SKlaus Jensen out: 2615796d2068SKlaus Jensen nvme_copy_cb(iocb, iocb->ret); 2616796d2068SKlaus Jensen } 2617796d2068SKlaus Jensen 2618796d2068SKlaus Jensen static void nvme_copy_out_cb(void *opaque, int ret) 2619796d2068SKlaus Jensen { 2620796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2621796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2622796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2623796d2068SKlaus Jensen NvmeCopySourceRange *range; 2624796d2068SKlaus Jensen uint32_t nlb; 2625796d2068SKlaus Jensen size_t mlen; 2626796d2068SKlaus Jensen uint8_t *mbounce; 2627796d2068SKlaus Jensen 2628796d2068SKlaus Jensen if (ret < 0) { 2629796d2068SKlaus Jensen iocb->ret = ret; 2630796d2068SKlaus Jensen goto out; 2631796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2632796d2068SKlaus Jensen goto out; 2633796d2068SKlaus Jensen } 2634796d2068SKlaus Jensen 2635796d2068SKlaus Jensen if (!ns->lbaf.ms) { 2636796d2068SKlaus Jensen nvme_copy_out_completed_cb(iocb, 0); 2637796d2068SKlaus Jensen return; 2638796d2068SKlaus Jensen } 2639796d2068SKlaus Jensen 2640796d2068SKlaus Jensen range = &iocb->ranges[iocb->idx]; 2641796d2068SKlaus Jensen nlb = le32_to_cpu(range->nlb) + 1; 2642796d2068SKlaus Jensen 2643796d2068SKlaus Jensen mlen = nvme_m2b(ns, nlb); 2644796d2068SKlaus Jensen mbounce = iocb->bounce + nvme_l2b(ns, nlb); 2645796d2068SKlaus Jensen 2646796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2647796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, mbounce, mlen); 2648796d2068SKlaus Jensen 2649796d2068SKlaus Jensen iocb->aiocb = blk_aio_pwritev(ns->blkconf.blk, nvme_moff(ns, iocb->slba), 2650796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_out_completed_cb, 2651796d2068SKlaus Jensen iocb); 2652796d2068SKlaus Jensen 2653796d2068SKlaus Jensen return; 2654796d2068SKlaus Jensen 2655796d2068SKlaus Jensen out: 2656796d2068SKlaus Jensen nvme_copy_cb(iocb, ret); 2657796d2068SKlaus Jensen } 2658796d2068SKlaus Jensen 2659796d2068SKlaus Jensen static void nvme_copy_in_completed_cb(void *opaque, int ret) 2660796d2068SKlaus Jensen { 2661796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2662796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2663796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2664796d2068SKlaus Jensen NvmeCopySourceRange *range; 2665796d2068SKlaus Jensen uint32_t nlb; 2666796d2068SKlaus Jensen size_t len; 2667796d2068SKlaus Jensen uint16_t status; 2668796d2068SKlaus Jensen 2669796d2068SKlaus Jensen if (ret < 0) { 2670796d2068SKlaus Jensen iocb->ret = ret; 2671796d2068SKlaus Jensen goto out; 2672796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2673796d2068SKlaus Jensen goto out; 2674796d2068SKlaus Jensen } 2675796d2068SKlaus Jensen 2676796d2068SKlaus Jensen range = &iocb->ranges[iocb->idx]; 2677796d2068SKlaus Jensen nlb = le32_to_cpu(range->nlb) + 1; 2678796d2068SKlaus Jensen len = nvme_l2b(ns, nlb); 2679796d2068SKlaus Jensen 2680796d2068SKlaus Jensen trace_pci_nvme_copy_out(iocb->slba, nlb); 2681796d2068SKlaus Jensen 2682796d2068SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 268388eea45cSKlaus Jensen NvmeCopyCmd *copy = (NvmeCopyCmd *)&req->cmd; 268488eea45cSKlaus Jensen 2685796d2068SKlaus Jensen uint16_t prinfor = ((copy->control[0] >> 4) & 0xf); 2686796d2068SKlaus Jensen uint16_t prinfow = ((copy->control[2] >> 2) & 0xf); 268788eea45cSKlaus Jensen 2688796d2068SKlaus Jensen uint16_t apptag = le16_to_cpu(range->apptag); 2689796d2068SKlaus Jensen uint16_t appmask = le16_to_cpu(range->appmask); 2690796d2068SKlaus Jensen uint32_t reftag = le32_to_cpu(range->reftag); 2691796d2068SKlaus Jensen 2692796d2068SKlaus Jensen uint64_t slba = le64_to_cpu(range->slba); 2693796d2068SKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 2694796d2068SKlaus Jensen uint8_t *mbounce = iocb->bounce + nvme_l2b(ns, nlb); 2695796d2068SKlaus Jensen 2696796d2068SKlaus Jensen status = nvme_dif_check(ns, iocb->bounce, len, mbounce, mlen, prinfor, 2697796d2068SKlaus Jensen slba, apptag, appmask, &reftag); 2698796d2068SKlaus Jensen if (status) { 2699796d2068SKlaus Jensen goto invalid; 2700796d2068SKlaus Jensen } 2701796d2068SKlaus Jensen 2702796d2068SKlaus Jensen apptag = le16_to_cpu(copy->apptag); 2703796d2068SKlaus Jensen appmask = le16_to_cpu(copy->appmask); 2704796d2068SKlaus Jensen 2705796d2068SKlaus Jensen if (prinfow & NVME_PRINFO_PRACT) { 2706796d2068SKlaus Jensen status = nvme_check_prinfo(ns, prinfow, iocb->slba, iocb->reftag); 2707796d2068SKlaus Jensen if (status) { 2708796d2068SKlaus Jensen goto invalid; 2709796d2068SKlaus Jensen } 2710796d2068SKlaus Jensen 2711796d2068SKlaus Jensen nvme_dif_pract_generate_dif(ns, iocb->bounce, len, mbounce, mlen, 2712796d2068SKlaus Jensen apptag, &iocb->reftag); 2713796d2068SKlaus Jensen } else { 2714796d2068SKlaus Jensen status = nvme_dif_check(ns, iocb->bounce, len, mbounce, mlen, 2715796d2068SKlaus Jensen prinfow, iocb->slba, apptag, appmask, 2716796d2068SKlaus Jensen &iocb->reftag); 2717796d2068SKlaus Jensen if (status) { 2718796d2068SKlaus Jensen goto invalid; 2719796d2068SKlaus Jensen } 2720796d2068SKlaus Jensen } 2721796d2068SKlaus Jensen } 2722796d2068SKlaus Jensen 2723796d2068SKlaus Jensen status = nvme_check_bounds(ns, iocb->slba, nlb); 2724796d2068SKlaus Jensen if (status) { 2725796d2068SKlaus Jensen goto invalid; 2726796d2068SKlaus Jensen } 2727796d2068SKlaus Jensen 2728796d2068SKlaus Jensen if (ns->params.zoned) { 2729796d2068SKlaus Jensen status = nvme_check_zone_write(ns, iocb->zone, iocb->slba, nlb); 2730796d2068SKlaus Jensen if (status) { 2731796d2068SKlaus Jensen goto invalid; 2732796d2068SKlaus Jensen } 2733796d2068SKlaus Jensen 2734e321b4cdSKlaus Jensen if (!(iocb->zone->d.za & NVME_ZA_ZRWA_VALID)) { 2735796d2068SKlaus Jensen iocb->zone->w_ptr += nlb; 2736796d2068SKlaus Jensen } 2737e321b4cdSKlaus Jensen } 2738796d2068SKlaus Jensen 2739796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2740796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce, len); 2741796d2068SKlaus Jensen 2742796d2068SKlaus Jensen iocb->aiocb = blk_aio_pwritev(ns->blkconf.blk, nvme_l2b(ns, iocb->slba), 2743796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_out_cb, iocb); 2744796d2068SKlaus Jensen 2745796d2068SKlaus Jensen return; 2746796d2068SKlaus Jensen 2747796d2068SKlaus Jensen invalid: 2748796d2068SKlaus Jensen req->status = status; 2749796d2068SKlaus Jensen iocb->aiocb = NULL; 2750796d2068SKlaus Jensen if (iocb->bh) { 2751796d2068SKlaus Jensen qemu_bh_schedule(iocb->bh); 2752796d2068SKlaus Jensen } 2753796d2068SKlaus Jensen 2754796d2068SKlaus Jensen return; 2755796d2068SKlaus Jensen 2756796d2068SKlaus Jensen out: 2757796d2068SKlaus Jensen nvme_copy_cb(iocb, ret); 2758796d2068SKlaus Jensen } 2759796d2068SKlaus Jensen 2760796d2068SKlaus Jensen static void nvme_copy_in_cb(void *opaque, int ret) 2761796d2068SKlaus Jensen { 2762796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2763796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2764796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2765796d2068SKlaus Jensen NvmeCopySourceRange *range; 2766796d2068SKlaus Jensen uint64_t slba; 2767796d2068SKlaus Jensen uint32_t nlb; 2768796d2068SKlaus Jensen 2769796d2068SKlaus Jensen if (ret < 0) { 2770796d2068SKlaus Jensen iocb->ret = ret; 2771796d2068SKlaus Jensen goto out; 2772796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2773796d2068SKlaus Jensen goto out; 2774796d2068SKlaus Jensen } 2775796d2068SKlaus Jensen 2776796d2068SKlaus Jensen if (!ns->lbaf.ms) { 2777796d2068SKlaus Jensen nvme_copy_in_completed_cb(iocb, 0); 2778796d2068SKlaus Jensen return; 2779796d2068SKlaus Jensen } 2780796d2068SKlaus Jensen 2781796d2068SKlaus Jensen range = &iocb->ranges[iocb->idx]; 2782796d2068SKlaus Jensen slba = le64_to_cpu(range->slba); 2783796d2068SKlaus Jensen nlb = le32_to_cpu(range->nlb) + 1; 2784796d2068SKlaus Jensen 2785796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2786796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce + nvme_l2b(ns, nlb), 2787796d2068SKlaus Jensen nvme_m2b(ns, nlb)); 2788796d2068SKlaus Jensen 2789796d2068SKlaus Jensen iocb->aiocb = blk_aio_preadv(ns->blkconf.blk, nvme_moff(ns, slba), 2790796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_in_completed_cb, 2791796d2068SKlaus Jensen iocb); 2792796d2068SKlaus Jensen return; 2793796d2068SKlaus Jensen 2794796d2068SKlaus Jensen out: 2795796d2068SKlaus Jensen nvme_copy_cb(iocb, iocb->ret); 2796796d2068SKlaus Jensen } 2797796d2068SKlaus Jensen 2798796d2068SKlaus Jensen static void nvme_copy_cb(void *opaque, int ret) 2799796d2068SKlaus Jensen { 2800796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2801796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2802796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2803796d2068SKlaus Jensen NvmeCopySourceRange *range; 2804796d2068SKlaus Jensen uint64_t slba; 2805796d2068SKlaus Jensen uint32_t nlb; 2806796d2068SKlaus Jensen size_t len; 280788eea45cSKlaus Jensen uint16_t status; 280888eea45cSKlaus Jensen 2809796d2068SKlaus Jensen if (ret < 0) { 2810796d2068SKlaus Jensen iocb->ret = ret; 2811796d2068SKlaus Jensen goto done; 2812796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2813796d2068SKlaus Jensen goto done; 281488eea45cSKlaus Jensen } 281588eea45cSKlaus Jensen 2816796d2068SKlaus Jensen if (iocb->idx == iocb->nr) { 2817796d2068SKlaus Jensen goto done; 281888eea45cSKlaus Jensen } 281988eea45cSKlaus Jensen 2820796d2068SKlaus Jensen range = &iocb->ranges[iocb->idx]; 2821796d2068SKlaus Jensen slba = le64_to_cpu(range->slba); 2822796d2068SKlaus Jensen nlb = le32_to_cpu(range->nlb) + 1; 2823796d2068SKlaus Jensen len = nvme_l2b(ns, nlb); 282488eea45cSKlaus Jensen 2825796d2068SKlaus Jensen trace_pci_nvme_copy_source_range(slba, nlb); 282688eea45cSKlaus Jensen 2827796d2068SKlaus Jensen if (nlb > le16_to_cpu(ns->id_ns.mssrl)) { 282888eea45cSKlaus Jensen status = NVME_CMD_SIZE_LIMIT | NVME_DNR; 2829796d2068SKlaus Jensen goto invalid; 283088eea45cSKlaus Jensen } 283188eea45cSKlaus Jensen 2832796d2068SKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 283388eea45cSKlaus Jensen if (status) { 2834796d2068SKlaus Jensen goto invalid; 283588eea45cSKlaus Jensen } 283688eea45cSKlaus Jensen 283788eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 2838796d2068SKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 283988eea45cSKlaus Jensen if (status) { 2840796d2068SKlaus Jensen goto invalid; 284188eea45cSKlaus Jensen } 284288eea45cSKlaus Jensen } 284388eea45cSKlaus Jensen 284488eea45cSKlaus Jensen if (ns->params.zoned) { 2845796d2068SKlaus Jensen status = nvme_check_zone_read(ns, slba, nlb); 284688eea45cSKlaus Jensen if (status) { 2847796d2068SKlaus Jensen goto invalid; 284888eea45cSKlaus Jensen } 284988eea45cSKlaus Jensen } 285088eea45cSKlaus Jensen 2851796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2852796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce, len); 2853796d2068SKlaus Jensen 2854796d2068SKlaus Jensen iocb->aiocb = blk_aio_preadv(ns->blkconf.blk, nvme_l2b(ns, slba), 2855796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_in_cb, iocb); 2856796d2068SKlaus Jensen return; 2857796d2068SKlaus Jensen 2858796d2068SKlaus Jensen invalid: 2859796d2068SKlaus Jensen req->status = status; 2860796d2068SKlaus Jensen done: 2861796d2068SKlaus Jensen iocb->aiocb = NULL; 2862796d2068SKlaus Jensen if (iocb->bh) { 2863796d2068SKlaus Jensen qemu_bh_schedule(iocb->bh); 2864796d2068SKlaus Jensen } 286588eea45cSKlaus Jensen } 286688eea45cSKlaus Jensen 2867796d2068SKlaus Jensen 2868796d2068SKlaus Jensen static uint16_t nvme_copy(NvmeCtrl *n, NvmeRequest *req) 2869796d2068SKlaus Jensen { 2870796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2871796d2068SKlaus Jensen NvmeCopyCmd *copy = (NvmeCopyCmd *)&req->cmd; 2872796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = blk_aio_get(&nvme_copy_aiocb_info, ns->blkconf.blk, 2873796d2068SKlaus Jensen nvme_misc_cb, req); 2874796d2068SKlaus Jensen uint16_t nr = copy->nr + 1; 2875796d2068SKlaus Jensen uint8_t format = copy->control[0] & 0xf; 2876796d2068SKlaus Jensen uint16_t prinfor = ((copy->control[0] >> 4) & 0xf); 2877796d2068SKlaus Jensen uint16_t prinfow = ((copy->control[2] >> 2) & 0xf); 2878796d2068SKlaus Jensen 2879796d2068SKlaus Jensen uint16_t status; 2880796d2068SKlaus Jensen 2881796d2068SKlaus Jensen trace_pci_nvme_copy(nvme_cid(req), nvme_nsid(ns), nr, format); 2882796d2068SKlaus Jensen 2883796d2068SKlaus Jensen iocb->ranges = NULL; 2884796d2068SKlaus Jensen iocb->zone = NULL; 2885796d2068SKlaus Jensen 2886796d2068SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) && 2887796d2068SKlaus Jensen ((prinfor & NVME_PRINFO_PRACT) != (prinfow & NVME_PRINFO_PRACT))) { 2888796d2068SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 2889796d2068SKlaus Jensen goto invalid; 2890796d2068SKlaus Jensen } 2891796d2068SKlaus Jensen 2892796d2068SKlaus Jensen if (!(n->id_ctrl.ocfs & (1 << format))) { 2893796d2068SKlaus Jensen trace_pci_nvme_err_copy_invalid_format(format); 2894796d2068SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 2895796d2068SKlaus Jensen goto invalid; 2896796d2068SKlaus Jensen } 2897796d2068SKlaus Jensen 2898796d2068SKlaus Jensen if (nr > ns->id_ns.msrc + 1) { 289988eea45cSKlaus Jensen status = NVME_CMD_SIZE_LIMIT | NVME_DNR; 2900796d2068SKlaus Jensen goto invalid; 290188eea45cSKlaus Jensen } 290288eea45cSKlaus Jensen 2903796d2068SKlaus Jensen iocb->ranges = g_new(NvmeCopySourceRange, nr); 2904796d2068SKlaus Jensen 2905796d2068SKlaus Jensen status = nvme_h2c(n, (uint8_t *)iocb->ranges, 2906796d2068SKlaus Jensen sizeof(NvmeCopySourceRange) * nr, req); 2907796d2068SKlaus Jensen if (status) { 2908796d2068SKlaus Jensen goto invalid; 290988eea45cSKlaus Jensen } 291088eea45cSKlaus Jensen 2911796d2068SKlaus Jensen iocb->slba = le64_to_cpu(copy->sdlba); 2912796d2068SKlaus Jensen 2913796d2068SKlaus Jensen if (ns->params.zoned) { 2914796d2068SKlaus Jensen iocb->zone = nvme_get_zone_by_slba(ns, iocb->slba); 2915796d2068SKlaus Jensen if (!iocb->zone) { 2916796d2068SKlaus Jensen status = NVME_LBA_RANGE | NVME_DNR; 2917796d2068SKlaus Jensen goto invalid; 2918796d2068SKlaus Jensen } 2919796d2068SKlaus Jensen 2920796d2068SKlaus Jensen status = nvme_zrm_auto(n, ns, iocb->zone); 2921796d2068SKlaus Jensen if (status) { 2922796d2068SKlaus Jensen goto invalid; 2923796d2068SKlaus Jensen } 2924796d2068SKlaus Jensen } 2925796d2068SKlaus Jensen 2926796d2068SKlaus Jensen iocb->req = req; 2927796d2068SKlaus Jensen iocb->bh = qemu_bh_new(nvme_copy_bh, iocb); 2928796d2068SKlaus Jensen iocb->ret = 0; 2929796d2068SKlaus Jensen iocb->nr = nr; 2930796d2068SKlaus Jensen iocb->idx = 0; 2931796d2068SKlaus Jensen iocb->reftag = le32_to_cpu(copy->reftag); 2932796d2068SKlaus Jensen iocb->bounce = g_malloc_n(le16_to_cpu(ns->id_ns.mssrl), 2933796d2068SKlaus Jensen ns->lbasz + ns->lbaf.ms); 2934796d2068SKlaus Jensen 2935796d2068SKlaus Jensen qemu_iovec_init(&iocb->iov, 1); 2936796d2068SKlaus Jensen 2937796d2068SKlaus Jensen block_acct_start(blk_get_stats(ns->blkconf.blk), &iocb->acct.read, 0, 293888eea45cSKlaus Jensen BLOCK_ACCT_READ); 2939796d2068SKlaus Jensen block_acct_start(blk_get_stats(ns->blkconf.blk), &iocb->acct.write, 0, 2940796d2068SKlaus Jensen BLOCK_ACCT_WRITE); 294188eea45cSKlaus Jensen 2942796d2068SKlaus Jensen req->aiocb = &iocb->common; 2943796d2068SKlaus Jensen nvme_copy_cb(iocb, 0); 294488eea45cSKlaus Jensen 294588eea45cSKlaus Jensen return NVME_NO_COMPLETE; 294688eea45cSKlaus Jensen 2947796d2068SKlaus Jensen invalid: 2948796d2068SKlaus Jensen g_free(iocb->ranges); 2949796d2068SKlaus Jensen qemu_aio_unref(iocb); 295088eea45cSKlaus Jensen return status; 295188eea45cSKlaus Jensen } 295288eea45cSKlaus Jensen 295388eea45cSKlaus Jensen static uint16_t nvme_compare(NvmeCtrl *n, NvmeRequest *req) 295488eea45cSKlaus Jensen { 295588eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 295688eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 295788eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 295888eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 295988eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 29602a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 296188eea45cSKlaus Jensen size_t data_len = nvme_l2b(ns, nlb); 296288eea45cSKlaus Jensen size_t len = data_len; 296388eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 296488eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = NULL; 296588eea45cSKlaus Jensen uint16_t status; 296688eea45cSKlaus Jensen 296788eea45cSKlaus Jensen trace_pci_nvme_compare(nvme_cid(req), nvme_nsid(ns), slba, nlb); 296888eea45cSKlaus Jensen 29692a132309SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) && (prinfo & NVME_PRINFO_PRACT)) { 297088eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 297188eea45cSKlaus Jensen } 297288eea45cSKlaus Jensen 297388eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 297488eea45cSKlaus Jensen len += nvme_m2b(ns, nlb); 297588eea45cSKlaus Jensen } 297688eea45cSKlaus Jensen 297788eea45cSKlaus Jensen status = nvme_check_mdts(n, len); 297888eea45cSKlaus Jensen if (status) { 297988eea45cSKlaus Jensen return status; 298088eea45cSKlaus Jensen } 298188eea45cSKlaus Jensen 298288eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 298388eea45cSKlaus Jensen if (status) { 298488eea45cSKlaus Jensen return status; 298588eea45cSKlaus Jensen } 298688eea45cSKlaus Jensen 298788eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 298888eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 298988eea45cSKlaus Jensen if (status) { 299088eea45cSKlaus Jensen return status; 299188eea45cSKlaus Jensen } 299288eea45cSKlaus Jensen } 299388eea45cSKlaus Jensen 299488eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 299588eea45cSKlaus Jensen if (status) { 299688eea45cSKlaus Jensen return status; 299788eea45cSKlaus Jensen } 299888eea45cSKlaus Jensen 299988eea45cSKlaus Jensen ctx = g_new(struct nvme_compare_ctx, 1); 300088eea45cSKlaus Jensen ctx->data.bounce = g_malloc(data_len); 300188eea45cSKlaus Jensen 300288eea45cSKlaus Jensen req->opaque = ctx; 300388eea45cSKlaus Jensen 300488eea45cSKlaus Jensen qemu_iovec_init(&ctx->data.iov, 1); 300588eea45cSKlaus Jensen qemu_iovec_add(&ctx->data.iov, ctx->data.bounce, data_len); 300688eea45cSKlaus Jensen 300788eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_len, 300888eea45cSKlaus Jensen BLOCK_ACCT_READ); 300988eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->data.iov, 0, 301088eea45cSKlaus Jensen nvme_compare_data_cb, req); 301188eea45cSKlaus Jensen 301288eea45cSKlaus Jensen return NVME_NO_COMPLETE; 301388eea45cSKlaus Jensen } 301488eea45cSKlaus Jensen 301538f4ac65SKlaus Jensen typedef struct NvmeFlushAIOCB { 301638f4ac65SKlaus Jensen BlockAIOCB common; 301738f4ac65SKlaus Jensen BlockAIOCB *aiocb; 301838f4ac65SKlaus Jensen NvmeRequest *req; 301938f4ac65SKlaus Jensen QEMUBH *bh; 302038f4ac65SKlaus Jensen int ret; 302138f4ac65SKlaus Jensen 302238f4ac65SKlaus Jensen NvmeNamespace *ns; 302338f4ac65SKlaus Jensen uint32_t nsid; 302438f4ac65SKlaus Jensen bool broadcast; 302538f4ac65SKlaus Jensen } NvmeFlushAIOCB; 302638f4ac65SKlaus Jensen 302738f4ac65SKlaus Jensen static void nvme_flush_cancel(BlockAIOCB *acb) 302838f4ac65SKlaus Jensen { 302938f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = container_of(acb, NvmeFlushAIOCB, common); 303038f4ac65SKlaus Jensen 303138f4ac65SKlaus Jensen iocb->ret = -ECANCELED; 303238f4ac65SKlaus Jensen 303338f4ac65SKlaus Jensen if (iocb->aiocb) { 303438f4ac65SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 303538f4ac65SKlaus Jensen } 303638f4ac65SKlaus Jensen } 303738f4ac65SKlaus Jensen 303838f4ac65SKlaus Jensen static const AIOCBInfo nvme_flush_aiocb_info = { 303938f4ac65SKlaus Jensen .aiocb_size = sizeof(NvmeFlushAIOCB), 304038f4ac65SKlaus Jensen .cancel_async = nvme_flush_cancel, 304138f4ac65SKlaus Jensen .get_aio_context = nvme_get_aio_context, 304238f4ac65SKlaus Jensen }; 304338f4ac65SKlaus Jensen 304438f4ac65SKlaus Jensen static void nvme_flush_ns_cb(void *opaque, int ret) 304538f4ac65SKlaus Jensen { 304638f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = opaque; 304738f4ac65SKlaus Jensen NvmeNamespace *ns = iocb->ns; 304838f4ac65SKlaus Jensen 304938f4ac65SKlaus Jensen if (ret < 0) { 305038f4ac65SKlaus Jensen iocb->ret = ret; 305138f4ac65SKlaus Jensen goto out; 305238f4ac65SKlaus Jensen } else if (iocb->ret < 0) { 305338f4ac65SKlaus Jensen goto out; 305438f4ac65SKlaus Jensen } 305538f4ac65SKlaus Jensen 305638f4ac65SKlaus Jensen if (ns) { 305738f4ac65SKlaus Jensen trace_pci_nvme_flush_ns(iocb->nsid); 305838f4ac65SKlaus Jensen 305938f4ac65SKlaus Jensen iocb->ns = NULL; 306038f4ac65SKlaus Jensen iocb->aiocb = blk_aio_flush(ns->blkconf.blk, nvme_flush_ns_cb, iocb); 306138f4ac65SKlaus Jensen return; 306238f4ac65SKlaus Jensen } 306338f4ac65SKlaus Jensen 306438f4ac65SKlaus Jensen out: 306538f4ac65SKlaus Jensen iocb->aiocb = NULL; 306638f4ac65SKlaus Jensen qemu_bh_schedule(iocb->bh); 306738f4ac65SKlaus Jensen } 306838f4ac65SKlaus Jensen 306938f4ac65SKlaus Jensen static void nvme_flush_bh(void *opaque) 307038f4ac65SKlaus Jensen { 307138f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = opaque; 307238f4ac65SKlaus Jensen NvmeRequest *req = iocb->req; 307338f4ac65SKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 307438f4ac65SKlaus Jensen int i; 307538f4ac65SKlaus Jensen 307638f4ac65SKlaus Jensen if (iocb->ret < 0) { 307738f4ac65SKlaus Jensen goto done; 307838f4ac65SKlaus Jensen } 307938f4ac65SKlaus Jensen 308038f4ac65SKlaus Jensen if (iocb->broadcast) { 308138f4ac65SKlaus Jensen for (i = iocb->nsid + 1; i <= NVME_MAX_NAMESPACES; i++) { 308238f4ac65SKlaus Jensen iocb->ns = nvme_ns(n, i); 308338f4ac65SKlaus Jensen if (iocb->ns) { 308438f4ac65SKlaus Jensen iocb->nsid = i; 308538f4ac65SKlaus Jensen break; 308638f4ac65SKlaus Jensen } 308738f4ac65SKlaus Jensen } 308838f4ac65SKlaus Jensen } 308938f4ac65SKlaus Jensen 309038f4ac65SKlaus Jensen if (!iocb->ns) { 309138f4ac65SKlaus Jensen goto done; 309238f4ac65SKlaus Jensen } 309338f4ac65SKlaus Jensen 309438f4ac65SKlaus Jensen nvme_flush_ns_cb(iocb, 0); 309538f4ac65SKlaus Jensen return; 309638f4ac65SKlaus Jensen 309738f4ac65SKlaus Jensen done: 309838f4ac65SKlaus Jensen qemu_bh_delete(iocb->bh); 309938f4ac65SKlaus Jensen iocb->bh = NULL; 310038f4ac65SKlaus Jensen 310138f4ac65SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 310238f4ac65SKlaus Jensen 310338f4ac65SKlaus Jensen qemu_aio_unref(iocb); 310438f4ac65SKlaus Jensen 310538f4ac65SKlaus Jensen return; 310638f4ac65SKlaus Jensen } 310738f4ac65SKlaus Jensen 310888eea45cSKlaus Jensen static uint16_t nvme_flush(NvmeCtrl *n, NvmeRequest *req) 310988eea45cSKlaus Jensen { 311038f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb; 311188eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 311288eea45cSKlaus Jensen uint16_t status; 311388eea45cSKlaus Jensen 311438f4ac65SKlaus Jensen iocb = qemu_aio_get(&nvme_flush_aiocb_info, NULL, nvme_misc_cb, req); 311588eea45cSKlaus Jensen 311638f4ac65SKlaus Jensen iocb->req = req; 311738f4ac65SKlaus Jensen iocb->bh = qemu_bh_new(nvme_flush_bh, iocb); 311838f4ac65SKlaus Jensen iocb->ret = 0; 311938f4ac65SKlaus Jensen iocb->ns = NULL; 312038f4ac65SKlaus Jensen iocb->nsid = 0; 312138f4ac65SKlaus Jensen iocb->broadcast = (nsid == NVME_NSID_BROADCAST); 312238f4ac65SKlaus Jensen 312338f4ac65SKlaus Jensen if (!iocb->broadcast) { 312438f4ac65SKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 312538f4ac65SKlaus Jensen status = NVME_INVALID_NSID | NVME_DNR; 312638f4ac65SKlaus Jensen goto out; 312788eea45cSKlaus Jensen } 312888eea45cSKlaus Jensen 312938f4ac65SKlaus Jensen iocb->ns = nvme_ns(n, nsid); 313038f4ac65SKlaus Jensen if (!iocb->ns) { 313138f4ac65SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 313238f4ac65SKlaus Jensen goto out; 313338f4ac65SKlaus Jensen } 313438f4ac65SKlaus Jensen 313538f4ac65SKlaus Jensen iocb->nsid = nsid; 313638f4ac65SKlaus Jensen } 313738f4ac65SKlaus Jensen 313838f4ac65SKlaus Jensen req->aiocb = &iocb->common; 313938f4ac65SKlaus Jensen qemu_bh_schedule(iocb->bh); 314038f4ac65SKlaus Jensen 314188eea45cSKlaus Jensen return NVME_NO_COMPLETE; 314288eea45cSKlaus Jensen 314338f4ac65SKlaus Jensen out: 314438f4ac65SKlaus Jensen qemu_bh_delete(iocb->bh); 314538f4ac65SKlaus Jensen iocb->bh = NULL; 314638f4ac65SKlaus Jensen qemu_aio_unref(iocb); 314788eea45cSKlaus Jensen 314888eea45cSKlaus Jensen return status; 314988eea45cSKlaus Jensen } 315088eea45cSKlaus Jensen 315188eea45cSKlaus Jensen static uint16_t nvme_read(NvmeCtrl *n, NvmeRequest *req) 315288eea45cSKlaus Jensen { 315388eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 315488eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 315588eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 315688eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 31572a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 315888eea45cSKlaus Jensen uint64_t data_size = nvme_l2b(ns, nlb); 315988eea45cSKlaus Jensen uint64_t mapped_size = data_size; 316088eea45cSKlaus Jensen uint64_t data_offset; 316188eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 316288eea45cSKlaus Jensen uint16_t status; 316388eea45cSKlaus Jensen 316488eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 316588eea45cSKlaus Jensen mapped_size += nvme_m2b(ns, nlb); 316688eea45cSKlaus Jensen 316788eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 31682a132309SKlaus Jensen bool pract = prinfo & NVME_PRINFO_PRACT; 316988eea45cSKlaus Jensen 317088eea45cSKlaus Jensen if (pract && ns->lbaf.ms == 8) { 317188eea45cSKlaus Jensen mapped_size = data_size; 317288eea45cSKlaus Jensen } 317388eea45cSKlaus Jensen } 317488eea45cSKlaus Jensen } 317588eea45cSKlaus Jensen 317688eea45cSKlaus Jensen trace_pci_nvme_read(nvme_cid(req), nvme_nsid(ns), nlb, mapped_size, slba); 317788eea45cSKlaus Jensen 317888eea45cSKlaus Jensen status = nvme_check_mdts(n, mapped_size); 317988eea45cSKlaus Jensen if (status) { 318088eea45cSKlaus Jensen goto invalid; 318188eea45cSKlaus Jensen } 318288eea45cSKlaus Jensen 318388eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 318488eea45cSKlaus Jensen if (status) { 318588eea45cSKlaus Jensen goto invalid; 318688eea45cSKlaus Jensen } 318788eea45cSKlaus Jensen 318888eea45cSKlaus Jensen if (ns->params.zoned) { 318988eea45cSKlaus Jensen status = nvme_check_zone_read(ns, slba, nlb); 319088eea45cSKlaus Jensen if (status) { 319188eea45cSKlaus Jensen trace_pci_nvme_err_zone_read_not_ok(slba, nlb, status); 319288eea45cSKlaus Jensen goto invalid; 319388eea45cSKlaus Jensen } 319488eea45cSKlaus Jensen } 319588eea45cSKlaus Jensen 319688eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 319788eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 319888eea45cSKlaus Jensen if (status) { 319988eea45cSKlaus Jensen goto invalid; 320088eea45cSKlaus Jensen } 320188eea45cSKlaus Jensen } 320288eea45cSKlaus Jensen 320388eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 320488eea45cSKlaus Jensen return nvme_dif_rw(n, req); 320588eea45cSKlaus Jensen } 320688eea45cSKlaus Jensen 320788eea45cSKlaus Jensen status = nvme_map_data(n, nlb, req); 320888eea45cSKlaus Jensen if (status) { 320988eea45cSKlaus Jensen goto invalid; 321088eea45cSKlaus Jensen } 321188eea45cSKlaus Jensen 321288eea45cSKlaus Jensen data_offset = nvme_l2b(ns, slba); 321388eea45cSKlaus Jensen 321488eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_size, 321588eea45cSKlaus Jensen BLOCK_ACCT_READ); 321688eea45cSKlaus Jensen nvme_blk_read(blk, data_offset, nvme_rw_cb, req); 321788eea45cSKlaus Jensen return NVME_NO_COMPLETE; 321888eea45cSKlaus Jensen 321988eea45cSKlaus Jensen invalid: 322088eea45cSKlaus Jensen block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_READ); 322188eea45cSKlaus Jensen return status | NVME_DNR; 322288eea45cSKlaus Jensen } 322388eea45cSKlaus Jensen 322488eea45cSKlaus Jensen static uint16_t nvme_do_write(NvmeCtrl *n, NvmeRequest *req, bool append, 322588eea45cSKlaus Jensen bool wrz) 322688eea45cSKlaus Jensen { 322788eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 322888eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 322988eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 323088eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 323188eea45cSKlaus Jensen uint16_t ctrl = le16_to_cpu(rw->control); 32322a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(ctrl); 323388eea45cSKlaus Jensen uint64_t data_size = nvme_l2b(ns, nlb); 323488eea45cSKlaus Jensen uint64_t mapped_size = data_size; 323588eea45cSKlaus Jensen uint64_t data_offset; 323688eea45cSKlaus Jensen NvmeZone *zone; 323788eea45cSKlaus Jensen NvmeZonedResult *res = (NvmeZonedResult *)&req->cqe; 323888eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 323988eea45cSKlaus Jensen uint16_t status; 324088eea45cSKlaus Jensen 324188eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 324288eea45cSKlaus Jensen mapped_size += nvme_m2b(ns, nlb); 324388eea45cSKlaus Jensen 324488eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 32452a132309SKlaus Jensen bool pract = prinfo & NVME_PRINFO_PRACT; 324688eea45cSKlaus Jensen 324788eea45cSKlaus Jensen if (pract && ns->lbaf.ms == 8) { 324888eea45cSKlaus Jensen mapped_size -= nvme_m2b(ns, nlb); 324988eea45cSKlaus Jensen } 325088eea45cSKlaus Jensen } 325188eea45cSKlaus Jensen } 325288eea45cSKlaus Jensen 325388eea45cSKlaus Jensen trace_pci_nvme_write(nvme_cid(req), nvme_io_opc_str(rw->opcode), 325488eea45cSKlaus Jensen nvme_nsid(ns), nlb, mapped_size, slba); 325588eea45cSKlaus Jensen 325688eea45cSKlaus Jensen if (!wrz) { 325788eea45cSKlaus Jensen status = nvme_check_mdts(n, mapped_size); 325888eea45cSKlaus Jensen if (status) { 325988eea45cSKlaus Jensen goto invalid; 326088eea45cSKlaus Jensen } 326188eea45cSKlaus Jensen } 326288eea45cSKlaus Jensen 326388eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 326488eea45cSKlaus Jensen if (status) { 326588eea45cSKlaus Jensen goto invalid; 326688eea45cSKlaus Jensen } 326788eea45cSKlaus Jensen 326888eea45cSKlaus Jensen if (ns->params.zoned) { 326988eea45cSKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 3270189a8bf7SKlaus Jensen assert(zone); 327188eea45cSKlaus Jensen 327288eea45cSKlaus Jensen if (append) { 327388eea45cSKlaus Jensen bool piremap = !!(ctrl & NVME_RW_PIREMAP); 327488eea45cSKlaus Jensen 3275e321b4cdSKlaus Jensen if (unlikely(zone->d.za & NVME_ZA_ZRWA_VALID)) { 3276e321b4cdSKlaus Jensen return NVME_INVALID_ZONE_OP | NVME_DNR; 3277e321b4cdSKlaus Jensen } 3278e321b4cdSKlaus Jensen 327988eea45cSKlaus Jensen if (unlikely(slba != zone->d.zslba)) { 328088eea45cSKlaus Jensen trace_pci_nvme_err_append_not_at_start(slba, zone->d.zslba); 328188eea45cSKlaus Jensen status = NVME_INVALID_FIELD; 328288eea45cSKlaus Jensen goto invalid; 328388eea45cSKlaus Jensen } 328488eea45cSKlaus Jensen 328588eea45cSKlaus Jensen if (n->params.zasl && 328688eea45cSKlaus Jensen data_size > (uint64_t)n->page_size << n->params.zasl) { 328788eea45cSKlaus Jensen trace_pci_nvme_err_zasl(data_size); 328888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 328988eea45cSKlaus Jensen } 329088eea45cSKlaus Jensen 329188eea45cSKlaus Jensen slba = zone->w_ptr; 329288eea45cSKlaus Jensen rw->slba = cpu_to_le64(slba); 329388eea45cSKlaus Jensen res->slba = cpu_to_le64(slba); 329488eea45cSKlaus Jensen 329588eea45cSKlaus Jensen switch (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 329688eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_1: 329788eea45cSKlaus Jensen if (!piremap) { 329888eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 329988eea45cSKlaus Jensen } 330088eea45cSKlaus Jensen 330188eea45cSKlaus Jensen /* fallthrough */ 330288eea45cSKlaus Jensen 330388eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_2: 330488eea45cSKlaus Jensen if (piremap) { 330588eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 330688eea45cSKlaus Jensen rw->reftag = cpu_to_le32(reftag + (slba - zone->d.zslba)); 330788eea45cSKlaus Jensen } 330888eea45cSKlaus Jensen 330988eea45cSKlaus Jensen break; 331088eea45cSKlaus Jensen 331188eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_3: 331288eea45cSKlaus Jensen if (piremap) { 331388eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 331488eea45cSKlaus Jensen } 331588eea45cSKlaus Jensen 331688eea45cSKlaus Jensen break; 331788eea45cSKlaus Jensen } 331888eea45cSKlaus Jensen } 331988eea45cSKlaus Jensen 332088eea45cSKlaus Jensen status = nvme_check_zone_write(ns, zone, slba, nlb); 332188eea45cSKlaus Jensen if (status) { 332288eea45cSKlaus Jensen goto invalid; 332388eea45cSKlaus Jensen } 332488eea45cSKlaus Jensen 3325cccc2651SNiklas Cassel status = nvme_zrm_auto(n, ns, zone); 332688eea45cSKlaus Jensen if (status) { 332788eea45cSKlaus Jensen goto invalid; 332888eea45cSKlaus Jensen } 332988eea45cSKlaus Jensen 3330e321b4cdSKlaus Jensen if (!(zone->d.za & NVME_ZA_ZRWA_VALID)) { 333188eea45cSKlaus Jensen zone->w_ptr += nlb; 333288eea45cSKlaus Jensen } 3333e321b4cdSKlaus Jensen } 333488eea45cSKlaus Jensen 333588eea45cSKlaus Jensen data_offset = nvme_l2b(ns, slba); 333688eea45cSKlaus Jensen 333788eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 333888eea45cSKlaus Jensen return nvme_dif_rw(n, req); 333988eea45cSKlaus Jensen } 334088eea45cSKlaus Jensen 334188eea45cSKlaus Jensen if (!wrz) { 334288eea45cSKlaus Jensen status = nvme_map_data(n, nlb, req); 334388eea45cSKlaus Jensen if (status) { 334488eea45cSKlaus Jensen goto invalid; 334588eea45cSKlaus Jensen } 334688eea45cSKlaus Jensen 334788eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_size, 334888eea45cSKlaus Jensen BLOCK_ACCT_WRITE); 334988eea45cSKlaus Jensen nvme_blk_write(blk, data_offset, nvme_rw_cb, req); 335088eea45cSKlaus Jensen } else { 335188eea45cSKlaus Jensen req->aiocb = blk_aio_pwrite_zeroes(blk, data_offset, data_size, 335288eea45cSKlaus Jensen BDRV_REQ_MAY_UNMAP, nvme_rw_cb, 335388eea45cSKlaus Jensen req); 335488eea45cSKlaus Jensen } 335588eea45cSKlaus Jensen 335688eea45cSKlaus Jensen return NVME_NO_COMPLETE; 335788eea45cSKlaus Jensen 335888eea45cSKlaus Jensen invalid: 335988eea45cSKlaus Jensen block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_WRITE); 336088eea45cSKlaus Jensen return status | NVME_DNR; 336188eea45cSKlaus Jensen } 336288eea45cSKlaus Jensen 336388eea45cSKlaus Jensen static inline uint16_t nvme_write(NvmeCtrl *n, NvmeRequest *req) 336488eea45cSKlaus Jensen { 336588eea45cSKlaus Jensen return nvme_do_write(n, req, false, false); 336688eea45cSKlaus Jensen } 336788eea45cSKlaus Jensen 336888eea45cSKlaus Jensen static inline uint16_t nvme_write_zeroes(NvmeCtrl *n, NvmeRequest *req) 336988eea45cSKlaus Jensen { 337088eea45cSKlaus Jensen return nvme_do_write(n, req, false, true); 337188eea45cSKlaus Jensen } 337288eea45cSKlaus Jensen 337388eea45cSKlaus Jensen static inline uint16_t nvme_zone_append(NvmeCtrl *n, NvmeRequest *req) 337488eea45cSKlaus Jensen { 337588eea45cSKlaus Jensen return nvme_do_write(n, req, true, false); 337688eea45cSKlaus Jensen } 337788eea45cSKlaus Jensen 337888eea45cSKlaus Jensen static uint16_t nvme_get_mgmt_zone_slba_idx(NvmeNamespace *ns, NvmeCmd *c, 337988eea45cSKlaus Jensen uint64_t *slba, uint32_t *zone_idx) 338088eea45cSKlaus Jensen { 338188eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(c->cdw10); 338288eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(c->cdw11); 338388eea45cSKlaus Jensen 338488eea45cSKlaus Jensen if (!ns->params.zoned) { 338588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_opc(c->opcode); 338688eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 338788eea45cSKlaus Jensen } 338888eea45cSKlaus Jensen 338988eea45cSKlaus Jensen *slba = ((uint64_t)dw11) << 32 | dw10; 339088eea45cSKlaus Jensen if (unlikely(*slba >= ns->id_ns.nsze)) { 339188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(*slba, 0, ns->id_ns.nsze); 339288eea45cSKlaus Jensen *slba = 0; 339388eea45cSKlaus Jensen return NVME_LBA_RANGE | NVME_DNR; 339488eea45cSKlaus Jensen } 339588eea45cSKlaus Jensen 339688eea45cSKlaus Jensen *zone_idx = nvme_zone_idx(ns, *slba); 339788eea45cSKlaus Jensen assert(*zone_idx < ns->num_zones); 339888eea45cSKlaus Jensen 339988eea45cSKlaus Jensen return NVME_SUCCESS; 340088eea45cSKlaus Jensen } 340188eea45cSKlaus Jensen 340288eea45cSKlaus Jensen typedef uint16_t (*op_handler_t)(NvmeNamespace *, NvmeZone *, NvmeZoneState, 340388eea45cSKlaus Jensen NvmeRequest *); 340488eea45cSKlaus Jensen 340588eea45cSKlaus Jensen enum NvmeZoneProcessingMask { 340688eea45cSKlaus Jensen NVME_PROC_CURRENT_ZONE = 0, 340788eea45cSKlaus Jensen NVME_PROC_OPENED_ZONES = 1 << 0, 340888eea45cSKlaus Jensen NVME_PROC_CLOSED_ZONES = 1 << 1, 340988eea45cSKlaus Jensen NVME_PROC_READ_ONLY_ZONES = 1 << 2, 341088eea45cSKlaus Jensen NVME_PROC_FULL_ZONES = 1 << 3, 341188eea45cSKlaus Jensen }; 341288eea45cSKlaus Jensen 341388eea45cSKlaus Jensen static uint16_t nvme_open_zone(NvmeNamespace *ns, NvmeZone *zone, 341488eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 341588eea45cSKlaus Jensen { 3416e321b4cdSKlaus Jensen NvmeZoneSendCmd *cmd = (NvmeZoneSendCmd *)&req->cmd; 3417e321b4cdSKlaus Jensen int flags = 0; 3418e321b4cdSKlaus Jensen 3419e321b4cdSKlaus Jensen if (cmd->zsflags & NVME_ZSFLAG_ZRWA_ALLOC) { 3420e321b4cdSKlaus Jensen uint16_t ozcs = le16_to_cpu(ns->id_ns_zoned->ozcs); 3421e321b4cdSKlaus Jensen 3422e321b4cdSKlaus Jensen if (!(ozcs & NVME_ID_NS_ZONED_OZCS_ZRWASUP)) { 3423e321b4cdSKlaus Jensen return NVME_INVALID_ZONE_OP | NVME_DNR; 3424e321b4cdSKlaus Jensen } 3425e321b4cdSKlaus Jensen 3426e321b4cdSKlaus Jensen if (zone->w_ptr % ns->zns.zrwafg) { 3427e321b4cdSKlaus Jensen return NVME_NOZRWA | NVME_DNR; 3428e321b4cdSKlaus Jensen } 3429e321b4cdSKlaus Jensen 3430e321b4cdSKlaus Jensen flags = NVME_ZRM_ZRWA; 3431e321b4cdSKlaus Jensen } 3432e321b4cdSKlaus Jensen 3433e321b4cdSKlaus Jensen return nvme_zrm_open_flags(nvme_ctrl(req), ns, zone, flags); 343488eea45cSKlaus Jensen } 343588eea45cSKlaus Jensen 343688eea45cSKlaus Jensen static uint16_t nvme_close_zone(NvmeNamespace *ns, NvmeZone *zone, 343788eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 343888eea45cSKlaus Jensen { 343988eea45cSKlaus Jensen return nvme_zrm_close(ns, zone); 344088eea45cSKlaus Jensen } 344188eea45cSKlaus Jensen 344288eea45cSKlaus Jensen static uint16_t nvme_finish_zone(NvmeNamespace *ns, NvmeZone *zone, 344388eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 344488eea45cSKlaus Jensen { 344588eea45cSKlaus Jensen return nvme_zrm_finish(ns, zone); 344688eea45cSKlaus Jensen } 344788eea45cSKlaus Jensen 344888eea45cSKlaus Jensen static uint16_t nvme_offline_zone(NvmeNamespace *ns, NvmeZone *zone, 344988eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 345088eea45cSKlaus Jensen { 345188eea45cSKlaus Jensen switch (state) { 345288eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 345388eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_OFFLINE); 345488eea45cSKlaus Jensen /* fall through */ 345588eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 345688eea45cSKlaus Jensen return NVME_SUCCESS; 345788eea45cSKlaus Jensen default: 345888eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 345988eea45cSKlaus Jensen } 346088eea45cSKlaus Jensen } 346188eea45cSKlaus Jensen 346288eea45cSKlaus Jensen static uint16_t nvme_set_zd_ext(NvmeNamespace *ns, NvmeZone *zone) 346388eea45cSKlaus Jensen { 346488eea45cSKlaus Jensen uint16_t status; 346588eea45cSKlaus Jensen uint8_t state = nvme_get_zone_state(zone); 346688eea45cSKlaus Jensen 346788eea45cSKlaus Jensen if (state == NVME_ZONE_STATE_EMPTY) { 346888eea45cSKlaus Jensen status = nvme_aor_check(ns, 1, 0); 346988eea45cSKlaus Jensen if (status) { 347088eea45cSKlaus Jensen return status; 347188eea45cSKlaus Jensen } 347288eea45cSKlaus Jensen nvme_aor_inc_active(ns); 347388eea45cSKlaus Jensen zone->d.za |= NVME_ZA_ZD_EXT_VALID; 347488eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_CLOSED); 347588eea45cSKlaus Jensen return NVME_SUCCESS; 347688eea45cSKlaus Jensen } 347788eea45cSKlaus Jensen 347888eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 347988eea45cSKlaus Jensen } 348088eea45cSKlaus Jensen 348188eea45cSKlaus Jensen static uint16_t nvme_bulk_proc_zone(NvmeNamespace *ns, NvmeZone *zone, 348288eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask, 348388eea45cSKlaus Jensen op_handler_t op_hndlr, NvmeRequest *req) 348488eea45cSKlaus Jensen { 348588eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 348688eea45cSKlaus Jensen NvmeZoneState zs = nvme_get_zone_state(zone); 348788eea45cSKlaus Jensen bool proc_zone; 348888eea45cSKlaus Jensen 348988eea45cSKlaus Jensen switch (zs) { 349088eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 349188eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 349288eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_OPENED_ZONES; 349388eea45cSKlaus Jensen break; 349488eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 349588eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_CLOSED_ZONES; 349688eea45cSKlaus Jensen break; 349788eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 349888eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_READ_ONLY_ZONES; 349988eea45cSKlaus Jensen break; 350088eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 350188eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_FULL_ZONES; 350288eea45cSKlaus Jensen break; 350388eea45cSKlaus Jensen default: 350488eea45cSKlaus Jensen proc_zone = false; 350588eea45cSKlaus Jensen } 350688eea45cSKlaus Jensen 350788eea45cSKlaus Jensen if (proc_zone) { 350888eea45cSKlaus Jensen status = op_hndlr(ns, zone, zs, req); 350988eea45cSKlaus Jensen } 351088eea45cSKlaus Jensen 351188eea45cSKlaus Jensen return status; 351288eea45cSKlaus Jensen } 351388eea45cSKlaus Jensen 351488eea45cSKlaus Jensen static uint16_t nvme_do_zone_op(NvmeNamespace *ns, NvmeZone *zone, 351588eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask, 351688eea45cSKlaus Jensen op_handler_t op_hndlr, NvmeRequest *req) 351788eea45cSKlaus Jensen { 351888eea45cSKlaus Jensen NvmeZone *next; 351988eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 352088eea45cSKlaus Jensen int i; 352188eea45cSKlaus Jensen 352288eea45cSKlaus Jensen if (!proc_mask) { 352388eea45cSKlaus Jensen status = op_hndlr(ns, zone, nvme_get_zone_state(zone), req); 352488eea45cSKlaus Jensen } else { 352588eea45cSKlaus Jensen if (proc_mask & NVME_PROC_CLOSED_ZONES) { 352688eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->closed_zones, entry, next) { 352788eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 352888eea45cSKlaus Jensen req); 352988eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 353088eea45cSKlaus Jensen goto out; 353188eea45cSKlaus Jensen } 353288eea45cSKlaus Jensen } 353388eea45cSKlaus Jensen } 353488eea45cSKlaus Jensen if (proc_mask & NVME_PROC_OPENED_ZONES) { 353588eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->imp_open_zones, entry, next) { 353688eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 353788eea45cSKlaus Jensen req); 353888eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 353988eea45cSKlaus Jensen goto out; 354088eea45cSKlaus Jensen } 354188eea45cSKlaus Jensen } 354288eea45cSKlaus Jensen 354388eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->exp_open_zones, entry, next) { 354488eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 354588eea45cSKlaus Jensen req); 354688eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 354788eea45cSKlaus Jensen goto out; 354888eea45cSKlaus Jensen } 354988eea45cSKlaus Jensen } 355088eea45cSKlaus Jensen } 355188eea45cSKlaus Jensen if (proc_mask & NVME_PROC_FULL_ZONES) { 355288eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->full_zones, entry, next) { 355388eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 355488eea45cSKlaus Jensen req); 355588eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 355688eea45cSKlaus Jensen goto out; 355788eea45cSKlaus Jensen } 355888eea45cSKlaus Jensen } 355988eea45cSKlaus Jensen } 356088eea45cSKlaus Jensen 356188eea45cSKlaus Jensen if (proc_mask & NVME_PROC_READ_ONLY_ZONES) { 356288eea45cSKlaus Jensen for (i = 0; i < ns->num_zones; i++, zone++) { 356388eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 356488eea45cSKlaus Jensen req); 356588eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 356688eea45cSKlaus Jensen goto out; 356788eea45cSKlaus Jensen } 356888eea45cSKlaus Jensen } 356988eea45cSKlaus Jensen } 357088eea45cSKlaus Jensen } 357188eea45cSKlaus Jensen 357288eea45cSKlaus Jensen out: 357388eea45cSKlaus Jensen return status; 357488eea45cSKlaus Jensen } 357588eea45cSKlaus Jensen 357663d96e4fSKlaus Jensen typedef struct NvmeZoneResetAIOCB { 357763d96e4fSKlaus Jensen BlockAIOCB common; 357863d96e4fSKlaus Jensen BlockAIOCB *aiocb; 357963d96e4fSKlaus Jensen NvmeRequest *req; 358063d96e4fSKlaus Jensen QEMUBH *bh; 358163d96e4fSKlaus Jensen int ret; 358263d96e4fSKlaus Jensen 358363d96e4fSKlaus Jensen bool all; 358463d96e4fSKlaus Jensen int idx; 358563d96e4fSKlaus Jensen NvmeZone *zone; 358663d96e4fSKlaus Jensen } NvmeZoneResetAIOCB; 358763d96e4fSKlaus Jensen 358863d96e4fSKlaus Jensen static void nvme_zone_reset_cancel(BlockAIOCB *aiocb) 358963d96e4fSKlaus Jensen { 359063d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = container_of(aiocb, NvmeZoneResetAIOCB, common); 359163d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 359263d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 359363d96e4fSKlaus Jensen 359463d96e4fSKlaus Jensen iocb->idx = ns->num_zones; 359563d96e4fSKlaus Jensen 359663d96e4fSKlaus Jensen iocb->ret = -ECANCELED; 359763d96e4fSKlaus Jensen 359863d96e4fSKlaus Jensen if (iocb->aiocb) { 359963d96e4fSKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 360063d96e4fSKlaus Jensen iocb->aiocb = NULL; 360163d96e4fSKlaus Jensen } 360263d96e4fSKlaus Jensen } 360363d96e4fSKlaus Jensen 360463d96e4fSKlaus Jensen static const AIOCBInfo nvme_zone_reset_aiocb_info = { 360563d96e4fSKlaus Jensen .aiocb_size = sizeof(NvmeZoneResetAIOCB), 360663d96e4fSKlaus Jensen .cancel_async = nvme_zone_reset_cancel, 360763d96e4fSKlaus Jensen }; 360863d96e4fSKlaus Jensen 360963d96e4fSKlaus Jensen static void nvme_zone_reset_bh(void *opaque) 361063d96e4fSKlaus Jensen { 361163d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 361263d96e4fSKlaus Jensen 361363d96e4fSKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 361463d96e4fSKlaus Jensen 361563d96e4fSKlaus Jensen qemu_bh_delete(iocb->bh); 361663d96e4fSKlaus Jensen iocb->bh = NULL; 361763d96e4fSKlaus Jensen qemu_aio_unref(iocb); 361863d96e4fSKlaus Jensen } 361963d96e4fSKlaus Jensen 362063d96e4fSKlaus Jensen static void nvme_zone_reset_cb(void *opaque, int ret); 362163d96e4fSKlaus Jensen 362263d96e4fSKlaus Jensen static void nvme_zone_reset_epilogue_cb(void *opaque, int ret) 362363d96e4fSKlaus Jensen { 362463d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 362563d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 362663d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 362763d96e4fSKlaus Jensen int64_t moff; 362863d96e4fSKlaus Jensen int count; 362963d96e4fSKlaus Jensen 363063d96e4fSKlaus Jensen if (ret < 0) { 363163d96e4fSKlaus Jensen nvme_zone_reset_cb(iocb, ret); 363263d96e4fSKlaus Jensen return; 363363d96e4fSKlaus Jensen } 363463d96e4fSKlaus Jensen 363563d96e4fSKlaus Jensen if (!ns->lbaf.ms) { 363663d96e4fSKlaus Jensen nvme_zone_reset_cb(iocb, 0); 363763d96e4fSKlaus Jensen return; 363863d96e4fSKlaus Jensen } 363963d96e4fSKlaus Jensen 364063d96e4fSKlaus Jensen moff = nvme_moff(ns, iocb->zone->d.zslba); 364163d96e4fSKlaus Jensen count = nvme_m2b(ns, ns->zone_size); 364263d96e4fSKlaus Jensen 364363d96e4fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, moff, count, 364463d96e4fSKlaus Jensen BDRV_REQ_MAY_UNMAP, 364563d96e4fSKlaus Jensen nvme_zone_reset_cb, iocb); 364663d96e4fSKlaus Jensen return; 364763d96e4fSKlaus Jensen } 364863d96e4fSKlaus Jensen 364963d96e4fSKlaus Jensen static void nvme_zone_reset_cb(void *opaque, int ret) 365063d96e4fSKlaus Jensen { 365163d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 365263d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 365363d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 365463d96e4fSKlaus Jensen 365563d96e4fSKlaus Jensen if (ret < 0) { 365663d96e4fSKlaus Jensen iocb->ret = ret; 365763d96e4fSKlaus Jensen goto done; 365863d96e4fSKlaus Jensen } 365963d96e4fSKlaus Jensen 366063d96e4fSKlaus Jensen if (iocb->zone) { 366163d96e4fSKlaus Jensen nvme_zrm_reset(ns, iocb->zone); 366263d96e4fSKlaus Jensen 366363d96e4fSKlaus Jensen if (!iocb->all) { 366463d96e4fSKlaus Jensen goto done; 366563d96e4fSKlaus Jensen } 366663d96e4fSKlaus Jensen } 366763d96e4fSKlaus Jensen 366863d96e4fSKlaus Jensen while (iocb->idx < ns->num_zones) { 366963d96e4fSKlaus Jensen NvmeZone *zone = &ns->zone_array[iocb->idx++]; 367063d96e4fSKlaus Jensen 367163d96e4fSKlaus Jensen switch (nvme_get_zone_state(zone)) { 367263d96e4fSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 367363d96e4fSKlaus Jensen if (!iocb->all) { 367463d96e4fSKlaus Jensen goto done; 367563d96e4fSKlaus Jensen } 367663d96e4fSKlaus Jensen 367763d96e4fSKlaus Jensen continue; 367863d96e4fSKlaus Jensen 367963d96e4fSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 368063d96e4fSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 368163d96e4fSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 368263d96e4fSKlaus Jensen case NVME_ZONE_STATE_FULL: 368363d96e4fSKlaus Jensen iocb->zone = zone; 368463d96e4fSKlaus Jensen break; 368563d96e4fSKlaus Jensen 368663d96e4fSKlaus Jensen default: 368763d96e4fSKlaus Jensen continue; 368863d96e4fSKlaus Jensen } 368963d96e4fSKlaus Jensen 369063d96e4fSKlaus Jensen trace_pci_nvme_zns_zone_reset(zone->d.zslba); 369163d96e4fSKlaus Jensen 369263d96e4fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, 369363d96e4fSKlaus Jensen nvme_l2b(ns, zone->d.zslba), 369463d96e4fSKlaus Jensen nvme_l2b(ns, ns->zone_size), 369563d96e4fSKlaus Jensen BDRV_REQ_MAY_UNMAP, 369663d96e4fSKlaus Jensen nvme_zone_reset_epilogue_cb, 369763d96e4fSKlaus Jensen iocb); 369863d96e4fSKlaus Jensen return; 369963d96e4fSKlaus Jensen } 370063d96e4fSKlaus Jensen 370163d96e4fSKlaus Jensen done: 370263d96e4fSKlaus Jensen iocb->aiocb = NULL; 370363d96e4fSKlaus Jensen if (iocb->bh) { 370463d96e4fSKlaus Jensen qemu_bh_schedule(iocb->bh); 370563d96e4fSKlaus Jensen } 370663d96e4fSKlaus Jensen } 370763d96e4fSKlaus Jensen 3708e321b4cdSKlaus Jensen static uint16_t nvme_zone_mgmt_send_zrwa_flush(NvmeCtrl *n, NvmeZone *zone, 3709e321b4cdSKlaus Jensen uint64_t elba, NvmeRequest *req) 3710e321b4cdSKlaus Jensen { 3711e321b4cdSKlaus Jensen NvmeNamespace *ns = req->ns; 3712e321b4cdSKlaus Jensen uint16_t ozcs = le16_to_cpu(ns->id_ns_zoned->ozcs); 3713e321b4cdSKlaus Jensen uint64_t wp = zone->d.wp; 3714e321b4cdSKlaus Jensen uint32_t nlb = elba - wp + 1; 3715e321b4cdSKlaus Jensen uint16_t status; 3716e321b4cdSKlaus Jensen 3717e321b4cdSKlaus Jensen 3718e321b4cdSKlaus Jensen if (!(ozcs & NVME_ID_NS_ZONED_OZCS_ZRWASUP)) { 3719e321b4cdSKlaus Jensen return NVME_INVALID_ZONE_OP | NVME_DNR; 3720e321b4cdSKlaus Jensen } 3721e321b4cdSKlaus Jensen 3722e321b4cdSKlaus Jensen if (!(zone->d.za & NVME_ZA_ZRWA_VALID)) { 3723e321b4cdSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 3724e321b4cdSKlaus Jensen } 3725e321b4cdSKlaus Jensen 3726e321b4cdSKlaus Jensen if (elba < wp || elba > wp + ns->zns.zrwas) { 3727e321b4cdSKlaus Jensen return NVME_ZONE_BOUNDARY_ERROR | NVME_DNR; 3728e321b4cdSKlaus Jensen } 3729e321b4cdSKlaus Jensen 3730e321b4cdSKlaus Jensen if (nlb % ns->zns.zrwafg) { 3731e321b4cdSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 3732e321b4cdSKlaus Jensen } 3733e321b4cdSKlaus Jensen 3734e321b4cdSKlaus Jensen status = nvme_zrm_auto(n, ns, zone); 3735e321b4cdSKlaus Jensen if (status) { 3736e321b4cdSKlaus Jensen return status; 3737e321b4cdSKlaus Jensen } 3738e321b4cdSKlaus Jensen 3739e321b4cdSKlaus Jensen zone->w_ptr += nlb; 3740e321b4cdSKlaus Jensen 3741e321b4cdSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlb); 3742e321b4cdSKlaus Jensen 3743e321b4cdSKlaus Jensen return NVME_SUCCESS; 3744e321b4cdSKlaus Jensen } 3745e321b4cdSKlaus Jensen 374688eea45cSKlaus Jensen static uint16_t nvme_zone_mgmt_send(NvmeCtrl *n, NvmeRequest *req) 374788eea45cSKlaus Jensen { 37486190d92fSKlaus Jensen NvmeZoneSendCmd *cmd = (NvmeZoneSendCmd *)&req->cmd; 374988eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 375088eea45cSKlaus Jensen NvmeZone *zone; 375163d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb; 375288eea45cSKlaus Jensen uint8_t *zd_ext; 375388eea45cSKlaus Jensen uint64_t slba = 0; 375488eea45cSKlaus Jensen uint32_t zone_idx = 0; 375588eea45cSKlaus Jensen uint16_t status; 37566190d92fSKlaus Jensen uint8_t action = cmd->zsa; 375788eea45cSKlaus Jensen bool all; 375888eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask = NVME_PROC_CURRENT_ZONE; 375988eea45cSKlaus Jensen 37606190d92fSKlaus Jensen all = cmd->zsflags & NVME_ZSFLAG_SELECT_ALL; 376188eea45cSKlaus Jensen 376288eea45cSKlaus Jensen req->status = NVME_SUCCESS; 376388eea45cSKlaus Jensen 376488eea45cSKlaus Jensen if (!all) { 37656190d92fSKlaus Jensen status = nvme_get_mgmt_zone_slba_idx(ns, &req->cmd, &slba, &zone_idx); 376688eea45cSKlaus Jensen if (status) { 376788eea45cSKlaus Jensen return status; 376888eea45cSKlaus Jensen } 376988eea45cSKlaus Jensen } 377088eea45cSKlaus Jensen 377188eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 3772e321b4cdSKlaus Jensen if (slba != zone->d.zslba && action != NVME_ZONE_ACTION_ZRWA_FLUSH) { 377388eea45cSKlaus Jensen trace_pci_nvme_err_unaligned_zone_cmd(action, slba, zone->d.zslba); 377488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 377588eea45cSKlaus Jensen } 377688eea45cSKlaus Jensen 377788eea45cSKlaus Jensen switch (action) { 377888eea45cSKlaus Jensen 377988eea45cSKlaus Jensen case NVME_ZONE_ACTION_OPEN: 378088eea45cSKlaus Jensen if (all) { 378188eea45cSKlaus Jensen proc_mask = NVME_PROC_CLOSED_ZONES; 378288eea45cSKlaus Jensen } 378388eea45cSKlaus Jensen trace_pci_nvme_open_zone(slba, zone_idx, all); 378488eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_open_zone, req); 378588eea45cSKlaus Jensen break; 378688eea45cSKlaus Jensen 378788eea45cSKlaus Jensen case NVME_ZONE_ACTION_CLOSE: 378888eea45cSKlaus Jensen if (all) { 378988eea45cSKlaus Jensen proc_mask = NVME_PROC_OPENED_ZONES; 379088eea45cSKlaus Jensen } 379188eea45cSKlaus Jensen trace_pci_nvme_close_zone(slba, zone_idx, all); 379288eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_close_zone, req); 379388eea45cSKlaus Jensen break; 379488eea45cSKlaus Jensen 379588eea45cSKlaus Jensen case NVME_ZONE_ACTION_FINISH: 379688eea45cSKlaus Jensen if (all) { 379788eea45cSKlaus Jensen proc_mask = NVME_PROC_OPENED_ZONES | NVME_PROC_CLOSED_ZONES; 379888eea45cSKlaus Jensen } 379988eea45cSKlaus Jensen trace_pci_nvme_finish_zone(slba, zone_idx, all); 380088eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_finish_zone, req); 380188eea45cSKlaus Jensen break; 380288eea45cSKlaus Jensen 380388eea45cSKlaus Jensen case NVME_ZONE_ACTION_RESET: 380488eea45cSKlaus Jensen trace_pci_nvme_reset_zone(slba, zone_idx, all); 380588eea45cSKlaus Jensen 380663d96e4fSKlaus Jensen iocb = blk_aio_get(&nvme_zone_reset_aiocb_info, ns->blkconf.blk, 380763d96e4fSKlaus Jensen nvme_misc_cb, req); 380888eea45cSKlaus Jensen 380963d96e4fSKlaus Jensen iocb->req = req; 381063d96e4fSKlaus Jensen iocb->bh = qemu_bh_new(nvme_zone_reset_bh, iocb); 381163d96e4fSKlaus Jensen iocb->ret = 0; 381263d96e4fSKlaus Jensen iocb->all = all; 381363d96e4fSKlaus Jensen iocb->idx = zone_idx; 381463d96e4fSKlaus Jensen iocb->zone = NULL; 381588eea45cSKlaus Jensen 381663d96e4fSKlaus Jensen req->aiocb = &iocb->common; 381763d96e4fSKlaus Jensen nvme_zone_reset_cb(iocb, 0); 381888eea45cSKlaus Jensen 381963d96e4fSKlaus Jensen return NVME_NO_COMPLETE; 382088eea45cSKlaus Jensen 382188eea45cSKlaus Jensen case NVME_ZONE_ACTION_OFFLINE: 382288eea45cSKlaus Jensen if (all) { 382388eea45cSKlaus Jensen proc_mask = NVME_PROC_READ_ONLY_ZONES; 382488eea45cSKlaus Jensen } 382588eea45cSKlaus Jensen trace_pci_nvme_offline_zone(slba, zone_idx, all); 382688eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_offline_zone, req); 382788eea45cSKlaus Jensen break; 382888eea45cSKlaus Jensen 382988eea45cSKlaus Jensen case NVME_ZONE_ACTION_SET_ZD_EXT: 383088eea45cSKlaus Jensen trace_pci_nvme_set_descriptor_extension(slba, zone_idx); 383188eea45cSKlaus Jensen if (all || !ns->params.zd_extension_size) { 383288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 383388eea45cSKlaus Jensen } 383488eea45cSKlaus Jensen zd_ext = nvme_get_zd_extension(ns, zone_idx); 383588eea45cSKlaus Jensen status = nvme_h2c(n, zd_ext, ns->params.zd_extension_size, req); 383688eea45cSKlaus Jensen if (status) { 383788eea45cSKlaus Jensen trace_pci_nvme_err_zd_extension_map_error(zone_idx); 383888eea45cSKlaus Jensen return status; 383988eea45cSKlaus Jensen } 384088eea45cSKlaus Jensen 384188eea45cSKlaus Jensen status = nvme_set_zd_ext(ns, zone); 384288eea45cSKlaus Jensen if (status == NVME_SUCCESS) { 384388eea45cSKlaus Jensen trace_pci_nvme_zd_extension_set(zone_idx); 384488eea45cSKlaus Jensen return status; 384588eea45cSKlaus Jensen } 384688eea45cSKlaus Jensen break; 384788eea45cSKlaus Jensen 3848e321b4cdSKlaus Jensen case NVME_ZONE_ACTION_ZRWA_FLUSH: 3849e321b4cdSKlaus Jensen if (all) { 3850e321b4cdSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 3851e321b4cdSKlaus Jensen } 3852e321b4cdSKlaus Jensen 3853e321b4cdSKlaus Jensen return nvme_zone_mgmt_send_zrwa_flush(n, zone, slba, req); 3854e321b4cdSKlaus Jensen 385588eea45cSKlaus Jensen default: 385688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_mgmt_action(action); 385788eea45cSKlaus Jensen status = NVME_INVALID_FIELD; 385888eea45cSKlaus Jensen } 385988eea45cSKlaus Jensen 386088eea45cSKlaus Jensen if (status == NVME_ZONE_INVAL_TRANSITION) { 386188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_zone_state_transition(action, slba, 386288eea45cSKlaus Jensen zone->d.za); 386388eea45cSKlaus Jensen } 386488eea45cSKlaus Jensen if (status) { 386588eea45cSKlaus Jensen status |= NVME_DNR; 386688eea45cSKlaus Jensen } 386788eea45cSKlaus Jensen 386888eea45cSKlaus Jensen return status; 386988eea45cSKlaus Jensen } 387088eea45cSKlaus Jensen 387188eea45cSKlaus Jensen static bool nvme_zone_matches_filter(uint32_t zafs, NvmeZone *zl) 387288eea45cSKlaus Jensen { 387388eea45cSKlaus Jensen NvmeZoneState zs = nvme_get_zone_state(zl); 387488eea45cSKlaus Jensen 387588eea45cSKlaus Jensen switch (zafs) { 387688eea45cSKlaus Jensen case NVME_ZONE_REPORT_ALL: 387788eea45cSKlaus Jensen return true; 387888eea45cSKlaus Jensen case NVME_ZONE_REPORT_EMPTY: 387988eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_EMPTY; 388088eea45cSKlaus Jensen case NVME_ZONE_REPORT_IMPLICITLY_OPEN: 388188eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_IMPLICITLY_OPEN; 388288eea45cSKlaus Jensen case NVME_ZONE_REPORT_EXPLICITLY_OPEN: 388388eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_EXPLICITLY_OPEN; 388488eea45cSKlaus Jensen case NVME_ZONE_REPORT_CLOSED: 388588eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_CLOSED; 388688eea45cSKlaus Jensen case NVME_ZONE_REPORT_FULL: 388788eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_FULL; 388888eea45cSKlaus Jensen case NVME_ZONE_REPORT_READ_ONLY: 388988eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_READ_ONLY; 389088eea45cSKlaus Jensen case NVME_ZONE_REPORT_OFFLINE: 389188eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_OFFLINE; 389288eea45cSKlaus Jensen default: 389388eea45cSKlaus Jensen return false; 389488eea45cSKlaus Jensen } 389588eea45cSKlaus Jensen } 389688eea45cSKlaus Jensen 389788eea45cSKlaus Jensen static uint16_t nvme_zone_mgmt_recv(NvmeCtrl *n, NvmeRequest *req) 389888eea45cSKlaus Jensen { 389988eea45cSKlaus Jensen NvmeCmd *cmd = (NvmeCmd *)&req->cmd; 390088eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 390188eea45cSKlaus Jensen /* cdw12 is zero-based number of dwords to return. Convert to bytes */ 390288eea45cSKlaus Jensen uint32_t data_size = (le32_to_cpu(cmd->cdw12) + 1) << 2; 390388eea45cSKlaus Jensen uint32_t dw13 = le32_to_cpu(cmd->cdw13); 390488eea45cSKlaus Jensen uint32_t zone_idx, zra, zrasf, partial; 390588eea45cSKlaus Jensen uint64_t max_zones, nr_zones = 0; 390688eea45cSKlaus Jensen uint16_t status; 390788eea45cSKlaus Jensen uint64_t slba; 390888eea45cSKlaus Jensen NvmeZoneDescr *z; 390988eea45cSKlaus Jensen NvmeZone *zone; 391088eea45cSKlaus Jensen NvmeZoneReportHeader *header; 391188eea45cSKlaus Jensen void *buf, *buf_p; 391288eea45cSKlaus Jensen size_t zone_entry_sz; 391388eea45cSKlaus Jensen int i; 391488eea45cSKlaus Jensen 391588eea45cSKlaus Jensen req->status = NVME_SUCCESS; 391688eea45cSKlaus Jensen 391788eea45cSKlaus Jensen status = nvme_get_mgmt_zone_slba_idx(ns, cmd, &slba, &zone_idx); 391888eea45cSKlaus Jensen if (status) { 391988eea45cSKlaus Jensen return status; 392088eea45cSKlaus Jensen } 392188eea45cSKlaus Jensen 392288eea45cSKlaus Jensen zra = dw13 & 0xff; 392388eea45cSKlaus Jensen if (zra != NVME_ZONE_REPORT && zra != NVME_ZONE_REPORT_EXTENDED) { 392488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 392588eea45cSKlaus Jensen } 392688eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED && !ns->params.zd_extension_size) { 392788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 392888eea45cSKlaus Jensen } 392988eea45cSKlaus Jensen 393088eea45cSKlaus Jensen zrasf = (dw13 >> 8) & 0xff; 393188eea45cSKlaus Jensen if (zrasf > NVME_ZONE_REPORT_OFFLINE) { 393288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 393388eea45cSKlaus Jensen } 393488eea45cSKlaus Jensen 393588eea45cSKlaus Jensen if (data_size < sizeof(NvmeZoneReportHeader)) { 393688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 393788eea45cSKlaus Jensen } 393888eea45cSKlaus Jensen 393988eea45cSKlaus Jensen status = nvme_check_mdts(n, data_size); 394088eea45cSKlaus Jensen if (status) { 394188eea45cSKlaus Jensen return status; 394288eea45cSKlaus Jensen } 394388eea45cSKlaus Jensen 394488eea45cSKlaus Jensen partial = (dw13 >> 16) & 0x01; 394588eea45cSKlaus Jensen 394688eea45cSKlaus Jensen zone_entry_sz = sizeof(NvmeZoneDescr); 394788eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED) { 394888eea45cSKlaus Jensen zone_entry_sz += ns->params.zd_extension_size; 394988eea45cSKlaus Jensen } 395088eea45cSKlaus Jensen 395188eea45cSKlaus Jensen max_zones = (data_size - sizeof(NvmeZoneReportHeader)) / zone_entry_sz; 395288eea45cSKlaus Jensen buf = g_malloc0(data_size); 395388eea45cSKlaus Jensen 395488eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 395588eea45cSKlaus Jensen for (i = zone_idx; i < ns->num_zones; i++) { 395688eea45cSKlaus Jensen if (partial && nr_zones >= max_zones) { 395788eea45cSKlaus Jensen break; 395888eea45cSKlaus Jensen } 395988eea45cSKlaus Jensen if (nvme_zone_matches_filter(zrasf, zone++)) { 396088eea45cSKlaus Jensen nr_zones++; 396188eea45cSKlaus Jensen } 396288eea45cSKlaus Jensen } 396388eea45cSKlaus Jensen header = (NvmeZoneReportHeader *)buf; 396488eea45cSKlaus Jensen header->nr_zones = cpu_to_le64(nr_zones); 396588eea45cSKlaus Jensen 396688eea45cSKlaus Jensen buf_p = buf + sizeof(NvmeZoneReportHeader); 396788eea45cSKlaus Jensen for (; zone_idx < ns->num_zones && max_zones > 0; zone_idx++) { 396888eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 396988eea45cSKlaus Jensen if (nvme_zone_matches_filter(zrasf, zone)) { 397088eea45cSKlaus Jensen z = (NvmeZoneDescr *)buf_p; 397188eea45cSKlaus Jensen buf_p += sizeof(NvmeZoneDescr); 397288eea45cSKlaus Jensen 397388eea45cSKlaus Jensen z->zt = zone->d.zt; 397488eea45cSKlaus Jensen z->zs = zone->d.zs; 397588eea45cSKlaus Jensen z->zcap = cpu_to_le64(zone->d.zcap); 397688eea45cSKlaus Jensen z->zslba = cpu_to_le64(zone->d.zslba); 397788eea45cSKlaus Jensen z->za = zone->d.za; 397888eea45cSKlaus Jensen 397988eea45cSKlaus Jensen if (nvme_wp_is_valid(zone)) { 398088eea45cSKlaus Jensen z->wp = cpu_to_le64(zone->d.wp); 398188eea45cSKlaus Jensen } else { 398288eea45cSKlaus Jensen z->wp = cpu_to_le64(~0ULL); 398388eea45cSKlaus Jensen } 398488eea45cSKlaus Jensen 398588eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED) { 398688eea45cSKlaus Jensen if (zone->d.za & NVME_ZA_ZD_EXT_VALID) { 398788eea45cSKlaus Jensen memcpy(buf_p, nvme_get_zd_extension(ns, zone_idx), 398888eea45cSKlaus Jensen ns->params.zd_extension_size); 398988eea45cSKlaus Jensen } 399088eea45cSKlaus Jensen buf_p += ns->params.zd_extension_size; 399188eea45cSKlaus Jensen } 399288eea45cSKlaus Jensen 399388eea45cSKlaus Jensen max_zones--; 399488eea45cSKlaus Jensen } 399588eea45cSKlaus Jensen } 399688eea45cSKlaus Jensen 399788eea45cSKlaus Jensen status = nvme_c2h(n, (uint8_t *)buf, data_size, req); 399888eea45cSKlaus Jensen 399988eea45cSKlaus Jensen g_free(buf); 400088eea45cSKlaus Jensen 400188eea45cSKlaus Jensen return status; 400288eea45cSKlaus Jensen } 400388eea45cSKlaus Jensen 400488eea45cSKlaus Jensen static uint16_t nvme_io_cmd(NvmeCtrl *n, NvmeRequest *req) 400588eea45cSKlaus Jensen { 400688eea45cSKlaus Jensen NvmeNamespace *ns; 400788eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 400888eea45cSKlaus Jensen 400988eea45cSKlaus Jensen trace_pci_nvme_io_cmd(nvme_cid(req), nsid, nvme_sqid(req), 401088eea45cSKlaus Jensen req->cmd.opcode, nvme_io_opc_str(req->cmd.opcode)); 401188eea45cSKlaus Jensen 401288eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 401388eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 401488eea45cSKlaus Jensen } 401588eea45cSKlaus Jensen 401688eea45cSKlaus Jensen /* 401788eea45cSKlaus Jensen * In the base NVM command set, Flush may apply to all namespaces 401888eea45cSKlaus Jensen * (indicated by NSID being set to FFFFFFFFh). But if that feature is used 401988eea45cSKlaus Jensen * along with TP 4056 (Namespace Types), it may be pretty screwed up. 402088eea45cSKlaus Jensen * 402188eea45cSKlaus Jensen * If NSID is indeed set to FFFFFFFFh, we simply cannot associate the 402288eea45cSKlaus Jensen * opcode with a specific command since we cannot determine a unique I/O 402388eea45cSKlaus Jensen * command set. Opcode 0h could have any other meaning than something 402488eea45cSKlaus Jensen * equivalent to flushing and say it DOES have completely different 402588eea45cSKlaus Jensen * semantics in some other command set - does an NSID of FFFFFFFFh then 402688eea45cSKlaus Jensen * mean "for all namespaces, apply whatever command set specific command 402788eea45cSKlaus Jensen * that uses the 0h opcode?" Or does it mean "for all namespaces, apply 402888eea45cSKlaus Jensen * whatever command that uses the 0h opcode if, and only if, it allows NSID 402988eea45cSKlaus Jensen * to be FFFFFFFFh"? 403088eea45cSKlaus Jensen * 403188eea45cSKlaus Jensen * Anyway (and luckily), for now, we do not care about this since the 403288eea45cSKlaus Jensen * device only supports namespace types that includes the NVM Flush command 403388eea45cSKlaus Jensen * (NVM and Zoned), so always do an NVM Flush. 403488eea45cSKlaus Jensen */ 403588eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_FLUSH) { 403688eea45cSKlaus Jensen return nvme_flush(n, req); 403788eea45cSKlaus Jensen } 403888eea45cSKlaus Jensen 403988eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 404088eea45cSKlaus Jensen if (unlikely(!ns)) { 404188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 404288eea45cSKlaus Jensen } 404388eea45cSKlaus Jensen 404488eea45cSKlaus Jensen if (!(ns->iocs[req->cmd.opcode] & NVME_CMD_EFF_CSUPP)) { 404588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_opc(req->cmd.opcode); 404688eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 404788eea45cSKlaus Jensen } 404888eea45cSKlaus Jensen 404988eea45cSKlaus Jensen if (ns->status) { 405088eea45cSKlaus Jensen return ns->status; 405188eea45cSKlaus Jensen } 405288eea45cSKlaus Jensen 4053c53a9a91SPankaj Raghav if (NVME_CMD_FLAGS_FUSE(req->cmd.flags)) { 4054c53a9a91SPankaj Raghav return NVME_INVALID_FIELD; 4055c53a9a91SPankaj Raghav } 4056c53a9a91SPankaj Raghav 405788eea45cSKlaus Jensen req->ns = ns; 405888eea45cSKlaus Jensen 405988eea45cSKlaus Jensen switch (req->cmd.opcode) { 406088eea45cSKlaus Jensen case NVME_CMD_WRITE_ZEROES: 406188eea45cSKlaus Jensen return nvme_write_zeroes(n, req); 406288eea45cSKlaus Jensen case NVME_CMD_ZONE_APPEND: 406388eea45cSKlaus Jensen return nvme_zone_append(n, req); 406488eea45cSKlaus Jensen case NVME_CMD_WRITE: 406588eea45cSKlaus Jensen return nvme_write(n, req); 406688eea45cSKlaus Jensen case NVME_CMD_READ: 406788eea45cSKlaus Jensen return nvme_read(n, req); 406888eea45cSKlaus Jensen case NVME_CMD_COMPARE: 406988eea45cSKlaus Jensen return nvme_compare(n, req); 407088eea45cSKlaus Jensen case NVME_CMD_DSM: 407188eea45cSKlaus Jensen return nvme_dsm(n, req); 407288eea45cSKlaus Jensen case NVME_CMD_VERIFY: 407388eea45cSKlaus Jensen return nvme_verify(n, req); 407488eea45cSKlaus Jensen case NVME_CMD_COPY: 407588eea45cSKlaus Jensen return nvme_copy(n, req); 407688eea45cSKlaus Jensen case NVME_CMD_ZONE_MGMT_SEND: 407788eea45cSKlaus Jensen return nvme_zone_mgmt_send(n, req); 407888eea45cSKlaus Jensen case NVME_CMD_ZONE_MGMT_RECV: 407988eea45cSKlaus Jensen return nvme_zone_mgmt_recv(n, req); 408088eea45cSKlaus Jensen default: 408188eea45cSKlaus Jensen assert(false); 408288eea45cSKlaus Jensen } 408388eea45cSKlaus Jensen 408488eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 408588eea45cSKlaus Jensen } 408688eea45cSKlaus Jensen 408788eea45cSKlaus Jensen static void nvme_free_sq(NvmeSQueue *sq, NvmeCtrl *n) 408888eea45cSKlaus Jensen { 408988eea45cSKlaus Jensen n->sq[sq->sqid] = NULL; 409088eea45cSKlaus Jensen timer_free(sq->timer); 409188eea45cSKlaus Jensen g_free(sq->io_req); 409288eea45cSKlaus Jensen if (sq->sqid) { 409388eea45cSKlaus Jensen g_free(sq); 409488eea45cSKlaus Jensen } 409588eea45cSKlaus Jensen } 409688eea45cSKlaus Jensen 409788eea45cSKlaus Jensen static uint16_t nvme_del_sq(NvmeCtrl *n, NvmeRequest *req) 409888eea45cSKlaus Jensen { 409988eea45cSKlaus Jensen NvmeDeleteQ *c = (NvmeDeleteQ *)&req->cmd; 410088eea45cSKlaus Jensen NvmeRequest *r, *next; 410188eea45cSKlaus Jensen NvmeSQueue *sq; 410288eea45cSKlaus Jensen NvmeCQueue *cq; 410388eea45cSKlaus Jensen uint16_t qid = le16_to_cpu(c->qid); 410488eea45cSKlaus Jensen 410588eea45cSKlaus Jensen if (unlikely(!qid || nvme_check_sqid(n, qid))) { 410688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_sq(qid); 410788eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 410888eea45cSKlaus Jensen } 410988eea45cSKlaus Jensen 411088eea45cSKlaus Jensen trace_pci_nvme_del_sq(qid); 411188eea45cSKlaus Jensen 411288eea45cSKlaus Jensen sq = n->sq[qid]; 411388eea45cSKlaus Jensen while (!QTAILQ_EMPTY(&sq->out_req_list)) { 411488eea45cSKlaus Jensen r = QTAILQ_FIRST(&sq->out_req_list); 4115e76fb260SKlaus Jensen assert(r->aiocb); 411688eea45cSKlaus Jensen blk_aio_cancel(r->aiocb); 411788eea45cSKlaus Jensen } 411888eea45cSKlaus Jensen 411988eea45cSKlaus Jensen assert(QTAILQ_EMPTY(&sq->out_req_list)); 412088eea45cSKlaus Jensen 412188eea45cSKlaus Jensen if (!nvme_check_cqid(n, sq->cqid)) { 412288eea45cSKlaus Jensen cq = n->cq[sq->cqid]; 412388eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->sq_list, sq, entry); 412488eea45cSKlaus Jensen 412588eea45cSKlaus Jensen nvme_post_cqes(cq); 412688eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(r, &cq->req_list, entry, next) { 412788eea45cSKlaus Jensen if (r->sq == sq) { 412888eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->req_list, r, entry); 412988eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->req_list, r, entry); 413088eea45cSKlaus Jensen } 413188eea45cSKlaus Jensen } 413288eea45cSKlaus Jensen } 413388eea45cSKlaus Jensen 413488eea45cSKlaus Jensen nvme_free_sq(sq, n); 413588eea45cSKlaus Jensen return NVME_SUCCESS; 413688eea45cSKlaus Jensen } 413788eea45cSKlaus Jensen 413888eea45cSKlaus Jensen static void nvme_init_sq(NvmeSQueue *sq, NvmeCtrl *n, uint64_t dma_addr, 413988eea45cSKlaus Jensen uint16_t sqid, uint16_t cqid, uint16_t size) 414088eea45cSKlaus Jensen { 414188eea45cSKlaus Jensen int i; 414288eea45cSKlaus Jensen NvmeCQueue *cq; 414388eea45cSKlaus Jensen 414488eea45cSKlaus Jensen sq->ctrl = n; 414588eea45cSKlaus Jensen sq->dma_addr = dma_addr; 414688eea45cSKlaus Jensen sq->sqid = sqid; 414788eea45cSKlaus Jensen sq->size = size; 414888eea45cSKlaus Jensen sq->cqid = cqid; 414988eea45cSKlaus Jensen sq->head = sq->tail = 0; 415088eea45cSKlaus Jensen sq->io_req = g_new0(NvmeRequest, sq->size); 415188eea45cSKlaus Jensen 415288eea45cSKlaus Jensen QTAILQ_INIT(&sq->req_list); 415388eea45cSKlaus Jensen QTAILQ_INIT(&sq->out_req_list); 415488eea45cSKlaus Jensen for (i = 0; i < sq->size; i++) { 415588eea45cSKlaus Jensen sq->io_req[i].sq = sq; 415688eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&(sq->req_list), &sq->io_req[i], entry); 415788eea45cSKlaus Jensen } 415888eea45cSKlaus Jensen sq->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, nvme_process_sq, sq); 415988eea45cSKlaus Jensen 416088eea45cSKlaus Jensen assert(n->cq[cqid]); 416188eea45cSKlaus Jensen cq = n->cq[cqid]; 416288eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&(cq->sq_list), sq, entry); 416388eea45cSKlaus Jensen n->sq[sqid] = sq; 416488eea45cSKlaus Jensen } 416588eea45cSKlaus Jensen 416688eea45cSKlaus Jensen static uint16_t nvme_create_sq(NvmeCtrl *n, NvmeRequest *req) 416788eea45cSKlaus Jensen { 416888eea45cSKlaus Jensen NvmeSQueue *sq; 416988eea45cSKlaus Jensen NvmeCreateSq *c = (NvmeCreateSq *)&req->cmd; 417088eea45cSKlaus Jensen 417188eea45cSKlaus Jensen uint16_t cqid = le16_to_cpu(c->cqid); 417288eea45cSKlaus Jensen uint16_t sqid = le16_to_cpu(c->sqid); 417388eea45cSKlaus Jensen uint16_t qsize = le16_to_cpu(c->qsize); 417488eea45cSKlaus Jensen uint16_t qflags = le16_to_cpu(c->sq_flags); 417588eea45cSKlaus Jensen uint64_t prp1 = le64_to_cpu(c->prp1); 417688eea45cSKlaus Jensen 417788eea45cSKlaus Jensen trace_pci_nvme_create_sq(prp1, sqid, cqid, qsize, qflags); 417888eea45cSKlaus Jensen 417988eea45cSKlaus Jensen if (unlikely(!cqid || nvme_check_cqid(n, cqid))) { 418088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_cqid(cqid); 418188eea45cSKlaus Jensen return NVME_INVALID_CQID | NVME_DNR; 418288eea45cSKlaus Jensen } 418388eea45cSKlaus Jensen if (unlikely(!sqid || sqid > n->params.max_ioqpairs || 418488eea45cSKlaus Jensen n->sq[sqid] != NULL)) { 418588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_sqid(sqid); 418688eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 418788eea45cSKlaus Jensen } 418849e03457SKlaus Jensen if (unlikely(!qsize || qsize > NVME_CAP_MQES(ldq_le_p(&n->bar.cap)))) { 418988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_size(qsize); 419088eea45cSKlaus Jensen return NVME_MAX_QSIZE_EXCEEDED | NVME_DNR; 419188eea45cSKlaus Jensen } 419288eea45cSKlaus Jensen if (unlikely(prp1 & (n->page_size - 1))) { 419388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_addr(prp1); 419488eea45cSKlaus Jensen return NVME_INVALID_PRP_OFFSET | NVME_DNR; 419588eea45cSKlaus Jensen } 419688eea45cSKlaus Jensen if (unlikely(!(NVME_SQ_FLAGS_PC(qflags)))) { 419788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_qflags(NVME_SQ_FLAGS_PC(qflags)); 419888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 419988eea45cSKlaus Jensen } 420088eea45cSKlaus Jensen sq = g_malloc0(sizeof(*sq)); 420188eea45cSKlaus Jensen nvme_init_sq(sq, n, prp1, sqid, cqid, qsize + 1); 420288eea45cSKlaus Jensen return NVME_SUCCESS; 420388eea45cSKlaus Jensen } 420488eea45cSKlaus Jensen 420588eea45cSKlaus Jensen struct nvme_stats { 420688eea45cSKlaus Jensen uint64_t units_read; 420788eea45cSKlaus Jensen uint64_t units_written; 420888eea45cSKlaus Jensen uint64_t read_commands; 420988eea45cSKlaus Jensen uint64_t write_commands; 421088eea45cSKlaus Jensen }; 421188eea45cSKlaus Jensen 421288eea45cSKlaus Jensen static void nvme_set_blk_stats(NvmeNamespace *ns, struct nvme_stats *stats) 421388eea45cSKlaus Jensen { 421488eea45cSKlaus Jensen BlockAcctStats *s = blk_get_stats(ns->blkconf.blk); 421588eea45cSKlaus Jensen 421688eea45cSKlaus Jensen stats->units_read += s->nr_bytes[BLOCK_ACCT_READ] >> BDRV_SECTOR_BITS; 421788eea45cSKlaus Jensen stats->units_written += s->nr_bytes[BLOCK_ACCT_WRITE] >> BDRV_SECTOR_BITS; 421888eea45cSKlaus Jensen stats->read_commands += s->nr_ops[BLOCK_ACCT_READ]; 421988eea45cSKlaus Jensen stats->write_commands += s->nr_ops[BLOCK_ACCT_WRITE]; 422088eea45cSKlaus Jensen } 422188eea45cSKlaus Jensen 422288eea45cSKlaus Jensen static uint16_t nvme_smart_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 422388eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 422488eea45cSKlaus Jensen { 422588eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 422688eea45cSKlaus Jensen struct nvme_stats stats = { 0 }; 422788eea45cSKlaus Jensen NvmeSmartLog smart = { 0 }; 422888eea45cSKlaus Jensen uint32_t trans_len; 422988eea45cSKlaus Jensen NvmeNamespace *ns; 423088eea45cSKlaus Jensen time_t current_ms; 423188eea45cSKlaus Jensen 423288eea45cSKlaus Jensen if (off >= sizeof(smart)) { 423388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 423488eea45cSKlaus Jensen } 423588eea45cSKlaus Jensen 423688eea45cSKlaus Jensen if (nsid != 0xffffffff) { 423788eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 423888eea45cSKlaus Jensen if (!ns) { 423988eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 424088eea45cSKlaus Jensen } 424188eea45cSKlaus Jensen nvme_set_blk_stats(ns, &stats); 424288eea45cSKlaus Jensen } else { 424388eea45cSKlaus Jensen int i; 424488eea45cSKlaus Jensen 424588eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 424688eea45cSKlaus Jensen ns = nvme_ns(n, i); 424788eea45cSKlaus Jensen if (!ns) { 424888eea45cSKlaus Jensen continue; 424988eea45cSKlaus Jensen } 425088eea45cSKlaus Jensen nvme_set_blk_stats(ns, &stats); 425188eea45cSKlaus Jensen } 425288eea45cSKlaus Jensen } 425388eea45cSKlaus Jensen 425488eea45cSKlaus Jensen trans_len = MIN(sizeof(smart) - off, buf_len); 425588eea45cSKlaus Jensen smart.critical_warning = n->smart_critical_warning; 425688eea45cSKlaus Jensen 425788eea45cSKlaus Jensen smart.data_units_read[0] = cpu_to_le64(DIV_ROUND_UP(stats.units_read, 425888eea45cSKlaus Jensen 1000)); 425988eea45cSKlaus Jensen smart.data_units_written[0] = cpu_to_le64(DIV_ROUND_UP(stats.units_written, 426088eea45cSKlaus Jensen 1000)); 426188eea45cSKlaus Jensen smart.host_read_commands[0] = cpu_to_le64(stats.read_commands); 426288eea45cSKlaus Jensen smart.host_write_commands[0] = cpu_to_le64(stats.write_commands); 426388eea45cSKlaus Jensen 426488eea45cSKlaus Jensen smart.temperature = cpu_to_le16(n->temperature); 426588eea45cSKlaus Jensen 426688eea45cSKlaus Jensen if ((n->temperature >= n->features.temp_thresh_hi) || 426788eea45cSKlaus Jensen (n->temperature <= n->features.temp_thresh_low)) { 426888eea45cSKlaus Jensen smart.critical_warning |= NVME_SMART_TEMPERATURE; 426988eea45cSKlaus Jensen } 427088eea45cSKlaus Jensen 427188eea45cSKlaus Jensen current_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 427288eea45cSKlaus Jensen smart.power_on_hours[0] = 427388eea45cSKlaus Jensen cpu_to_le64((((current_ms - n->starttime_ms) / 1000) / 60) / 60); 427488eea45cSKlaus Jensen 427588eea45cSKlaus Jensen if (!rae) { 427688eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_SMART); 427788eea45cSKlaus Jensen } 427888eea45cSKlaus Jensen 427988eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *) &smart + off, trans_len, req); 428088eea45cSKlaus Jensen } 428188eea45cSKlaus Jensen 428288eea45cSKlaus Jensen static uint16_t nvme_fw_log_info(NvmeCtrl *n, uint32_t buf_len, uint64_t off, 428388eea45cSKlaus Jensen NvmeRequest *req) 428488eea45cSKlaus Jensen { 428588eea45cSKlaus Jensen uint32_t trans_len; 428688eea45cSKlaus Jensen NvmeFwSlotInfoLog fw_log = { 428788eea45cSKlaus Jensen .afi = 0x1, 428888eea45cSKlaus Jensen }; 428988eea45cSKlaus Jensen 429088eea45cSKlaus Jensen if (off >= sizeof(fw_log)) { 429188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 429288eea45cSKlaus Jensen } 429388eea45cSKlaus Jensen 429488eea45cSKlaus Jensen strpadcpy((char *)&fw_log.frs1, sizeof(fw_log.frs1), "1.0", ' '); 429588eea45cSKlaus Jensen trans_len = MIN(sizeof(fw_log) - off, buf_len); 429688eea45cSKlaus Jensen 429788eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *) &fw_log + off, trans_len, req); 429888eea45cSKlaus Jensen } 429988eea45cSKlaus Jensen 430088eea45cSKlaus Jensen static uint16_t nvme_error_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 430188eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 430288eea45cSKlaus Jensen { 430388eea45cSKlaus Jensen uint32_t trans_len; 430488eea45cSKlaus Jensen NvmeErrorLog errlog; 430588eea45cSKlaus Jensen 430688eea45cSKlaus Jensen if (off >= sizeof(errlog)) { 430788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 430888eea45cSKlaus Jensen } 430988eea45cSKlaus Jensen 431088eea45cSKlaus Jensen if (!rae) { 431188eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_ERROR); 431288eea45cSKlaus Jensen } 431388eea45cSKlaus Jensen 431488eea45cSKlaus Jensen memset(&errlog, 0x0, sizeof(errlog)); 431588eea45cSKlaus Jensen trans_len = MIN(sizeof(errlog) - off, buf_len); 431688eea45cSKlaus Jensen 431788eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&errlog, trans_len, req); 431888eea45cSKlaus Jensen } 431988eea45cSKlaus Jensen 432088eea45cSKlaus Jensen static uint16_t nvme_changed_nslist(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 432188eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 432288eea45cSKlaus Jensen { 432388eea45cSKlaus Jensen uint32_t nslist[1024]; 432488eea45cSKlaus Jensen uint32_t trans_len; 432588eea45cSKlaus Jensen int i = 0; 432688eea45cSKlaus Jensen uint32_t nsid; 432788eea45cSKlaus Jensen 4328e2c57529SKlaus Jensen if (off >= sizeof(nslist)) { 4329e2c57529SKlaus Jensen trace_pci_nvme_err_invalid_log_page_offset(off, sizeof(nslist)); 4330e2c57529SKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 4331e2c57529SKlaus Jensen } 4332e2c57529SKlaus Jensen 433388eea45cSKlaus Jensen memset(nslist, 0x0, sizeof(nslist)); 433488eea45cSKlaus Jensen trans_len = MIN(sizeof(nslist) - off, buf_len); 433588eea45cSKlaus Jensen 433688eea45cSKlaus Jensen while ((nsid = find_first_bit(n->changed_nsids, NVME_CHANGED_NSID_SIZE)) != 433788eea45cSKlaus Jensen NVME_CHANGED_NSID_SIZE) { 433888eea45cSKlaus Jensen /* 433988eea45cSKlaus Jensen * If more than 1024 namespaces, the first entry in the log page should 434088eea45cSKlaus Jensen * be set to FFFFFFFFh and the others to 0 as spec. 434188eea45cSKlaus Jensen */ 434288eea45cSKlaus Jensen if (i == ARRAY_SIZE(nslist)) { 434388eea45cSKlaus Jensen memset(nslist, 0x0, sizeof(nslist)); 434488eea45cSKlaus Jensen nslist[0] = 0xffffffff; 434588eea45cSKlaus Jensen break; 434688eea45cSKlaus Jensen } 434788eea45cSKlaus Jensen 434888eea45cSKlaus Jensen nslist[i++] = nsid; 434988eea45cSKlaus Jensen clear_bit(nsid, n->changed_nsids); 435088eea45cSKlaus Jensen } 435188eea45cSKlaus Jensen 435288eea45cSKlaus Jensen /* 435388eea45cSKlaus Jensen * Remove all the remaining list entries in case returns directly due to 435488eea45cSKlaus Jensen * more than 1024 namespaces. 435588eea45cSKlaus Jensen */ 435688eea45cSKlaus Jensen if (nslist[0] == 0xffffffff) { 435788eea45cSKlaus Jensen bitmap_zero(n->changed_nsids, NVME_CHANGED_NSID_SIZE); 435888eea45cSKlaus Jensen } 435988eea45cSKlaus Jensen 436088eea45cSKlaus Jensen if (!rae) { 436188eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_NOTICE); 436288eea45cSKlaus Jensen } 436388eea45cSKlaus Jensen 436488eea45cSKlaus Jensen return nvme_c2h(n, ((uint8_t *)nslist) + off, trans_len, req); 436588eea45cSKlaus Jensen } 436688eea45cSKlaus Jensen 436788eea45cSKlaus Jensen static uint16_t nvme_cmd_effects(NvmeCtrl *n, uint8_t csi, uint32_t buf_len, 436888eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 436988eea45cSKlaus Jensen { 437088eea45cSKlaus Jensen NvmeEffectsLog log = {}; 437188eea45cSKlaus Jensen const uint32_t *src_iocs = NULL; 437288eea45cSKlaus Jensen uint32_t trans_len; 437388eea45cSKlaus Jensen 437488eea45cSKlaus Jensen if (off >= sizeof(log)) { 437588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_log_page_offset(off, sizeof(log)); 437688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 437788eea45cSKlaus Jensen } 437888eea45cSKlaus Jensen 437949e03457SKlaus Jensen switch (NVME_CC_CSS(ldl_le_p(&n->bar.cc))) { 438088eea45cSKlaus Jensen case NVME_CC_CSS_NVM: 438188eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_nvm; 438288eea45cSKlaus Jensen /* fall through */ 438388eea45cSKlaus Jensen case NVME_CC_CSS_ADMIN_ONLY: 438488eea45cSKlaus Jensen break; 438588eea45cSKlaus Jensen case NVME_CC_CSS_CSI: 438688eea45cSKlaus Jensen switch (csi) { 438788eea45cSKlaus Jensen case NVME_CSI_NVM: 438888eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_nvm; 438988eea45cSKlaus Jensen break; 439088eea45cSKlaus Jensen case NVME_CSI_ZONED: 439188eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_zoned; 439288eea45cSKlaus Jensen break; 439388eea45cSKlaus Jensen } 439488eea45cSKlaus Jensen } 439588eea45cSKlaus Jensen 439688eea45cSKlaus Jensen memcpy(log.acs, nvme_cse_acs, sizeof(nvme_cse_acs)); 439788eea45cSKlaus Jensen 439888eea45cSKlaus Jensen if (src_iocs) { 439988eea45cSKlaus Jensen memcpy(log.iocs, src_iocs, sizeof(log.iocs)); 440088eea45cSKlaus Jensen } 440188eea45cSKlaus Jensen 440288eea45cSKlaus Jensen trans_len = MIN(sizeof(log) - off, buf_len); 440388eea45cSKlaus Jensen 440488eea45cSKlaus Jensen return nvme_c2h(n, ((uint8_t *)&log) + off, trans_len, req); 440588eea45cSKlaus Jensen } 440688eea45cSKlaus Jensen 440788eea45cSKlaus Jensen static uint16_t nvme_get_log(NvmeCtrl *n, NvmeRequest *req) 440888eea45cSKlaus Jensen { 440988eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 441088eea45cSKlaus Jensen 441188eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 441288eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 441388eea45cSKlaus Jensen uint32_t dw12 = le32_to_cpu(cmd->cdw12); 441488eea45cSKlaus Jensen uint32_t dw13 = le32_to_cpu(cmd->cdw13); 441588eea45cSKlaus Jensen uint8_t lid = dw10 & 0xff; 441688eea45cSKlaus Jensen uint8_t lsp = (dw10 >> 8) & 0xf; 441788eea45cSKlaus Jensen uint8_t rae = (dw10 >> 15) & 0x1; 441888eea45cSKlaus Jensen uint8_t csi = le32_to_cpu(cmd->cdw14) >> 24; 441988eea45cSKlaus Jensen uint32_t numdl, numdu; 442088eea45cSKlaus Jensen uint64_t off, lpol, lpou; 442188eea45cSKlaus Jensen size_t len; 442288eea45cSKlaus Jensen uint16_t status; 442388eea45cSKlaus Jensen 442488eea45cSKlaus Jensen numdl = (dw10 >> 16); 442588eea45cSKlaus Jensen numdu = (dw11 & 0xffff); 442688eea45cSKlaus Jensen lpol = dw12; 442788eea45cSKlaus Jensen lpou = dw13; 442888eea45cSKlaus Jensen 442988eea45cSKlaus Jensen len = (((numdu << 16) | numdl) + 1) << 2; 443088eea45cSKlaus Jensen off = (lpou << 32ULL) | lpol; 443188eea45cSKlaus Jensen 443288eea45cSKlaus Jensen if (off & 0x3) { 443388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 443488eea45cSKlaus Jensen } 443588eea45cSKlaus Jensen 443688eea45cSKlaus Jensen trace_pci_nvme_get_log(nvme_cid(req), lid, lsp, rae, len, off); 443788eea45cSKlaus Jensen 443888eea45cSKlaus Jensen status = nvme_check_mdts(n, len); 443988eea45cSKlaus Jensen if (status) { 444088eea45cSKlaus Jensen return status; 444188eea45cSKlaus Jensen } 444288eea45cSKlaus Jensen 444388eea45cSKlaus Jensen switch (lid) { 444488eea45cSKlaus Jensen case NVME_LOG_ERROR_INFO: 444588eea45cSKlaus Jensen return nvme_error_info(n, rae, len, off, req); 444688eea45cSKlaus Jensen case NVME_LOG_SMART_INFO: 444788eea45cSKlaus Jensen return nvme_smart_info(n, rae, len, off, req); 444888eea45cSKlaus Jensen case NVME_LOG_FW_SLOT_INFO: 444988eea45cSKlaus Jensen return nvme_fw_log_info(n, len, off, req); 445088eea45cSKlaus Jensen case NVME_LOG_CHANGED_NSLIST: 445188eea45cSKlaus Jensen return nvme_changed_nslist(n, rae, len, off, req); 445288eea45cSKlaus Jensen case NVME_LOG_CMD_EFFECTS: 445388eea45cSKlaus Jensen return nvme_cmd_effects(n, csi, len, off, req); 445488eea45cSKlaus Jensen default: 445588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_log_page(nvme_cid(req), lid); 445688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 445788eea45cSKlaus Jensen } 445888eea45cSKlaus Jensen } 445988eea45cSKlaus Jensen 446088eea45cSKlaus Jensen static void nvme_free_cq(NvmeCQueue *cq, NvmeCtrl *n) 446188eea45cSKlaus Jensen { 446288eea45cSKlaus Jensen n->cq[cq->cqid] = NULL; 446388eea45cSKlaus Jensen timer_free(cq->timer); 446488eea45cSKlaus Jensen if (msix_enabled(&n->parent_obj)) { 446588eea45cSKlaus Jensen msix_vector_unuse(&n->parent_obj, cq->vector); 446688eea45cSKlaus Jensen } 446788eea45cSKlaus Jensen if (cq->cqid) { 446888eea45cSKlaus Jensen g_free(cq); 446988eea45cSKlaus Jensen } 447088eea45cSKlaus Jensen } 447188eea45cSKlaus Jensen 447288eea45cSKlaus Jensen static uint16_t nvme_del_cq(NvmeCtrl *n, NvmeRequest *req) 447388eea45cSKlaus Jensen { 447488eea45cSKlaus Jensen NvmeDeleteQ *c = (NvmeDeleteQ *)&req->cmd; 447588eea45cSKlaus Jensen NvmeCQueue *cq; 447688eea45cSKlaus Jensen uint16_t qid = le16_to_cpu(c->qid); 447788eea45cSKlaus Jensen 447888eea45cSKlaus Jensen if (unlikely(!qid || nvme_check_cqid(n, qid))) { 447988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_cq_cqid(qid); 448088eea45cSKlaus Jensen return NVME_INVALID_CQID | NVME_DNR; 448188eea45cSKlaus Jensen } 448288eea45cSKlaus Jensen 448388eea45cSKlaus Jensen cq = n->cq[qid]; 448488eea45cSKlaus Jensen if (unlikely(!QTAILQ_EMPTY(&cq->sq_list))) { 448588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_cq_notempty(qid); 448688eea45cSKlaus Jensen return NVME_INVALID_QUEUE_DEL; 448788eea45cSKlaus Jensen } 448883d7ed5cSKlaus Jensen 448983d7ed5cSKlaus Jensen if (cq->irq_enabled && cq->tail != cq->head) { 449083d7ed5cSKlaus Jensen n->cq_pending--; 449183d7ed5cSKlaus Jensen } 449283d7ed5cSKlaus Jensen 449388eea45cSKlaus Jensen nvme_irq_deassert(n, cq); 449488eea45cSKlaus Jensen trace_pci_nvme_del_cq(qid); 449588eea45cSKlaus Jensen nvme_free_cq(cq, n); 449688eea45cSKlaus Jensen return NVME_SUCCESS; 449788eea45cSKlaus Jensen } 449888eea45cSKlaus Jensen 449988eea45cSKlaus Jensen static void nvme_init_cq(NvmeCQueue *cq, NvmeCtrl *n, uint64_t dma_addr, 450088eea45cSKlaus Jensen uint16_t cqid, uint16_t vector, uint16_t size, 450188eea45cSKlaus Jensen uint16_t irq_enabled) 450288eea45cSKlaus Jensen { 450388eea45cSKlaus Jensen int ret; 450488eea45cSKlaus Jensen 450588eea45cSKlaus Jensen if (msix_enabled(&n->parent_obj)) { 450688eea45cSKlaus Jensen ret = msix_vector_use(&n->parent_obj, vector); 450788eea45cSKlaus Jensen assert(ret == 0); 450888eea45cSKlaus Jensen } 450988eea45cSKlaus Jensen cq->ctrl = n; 451088eea45cSKlaus Jensen cq->cqid = cqid; 451188eea45cSKlaus Jensen cq->size = size; 451288eea45cSKlaus Jensen cq->dma_addr = dma_addr; 451388eea45cSKlaus Jensen cq->phase = 1; 451488eea45cSKlaus Jensen cq->irq_enabled = irq_enabled; 451588eea45cSKlaus Jensen cq->vector = vector; 451688eea45cSKlaus Jensen cq->head = cq->tail = 0; 451788eea45cSKlaus Jensen QTAILQ_INIT(&cq->req_list); 451888eea45cSKlaus Jensen QTAILQ_INIT(&cq->sq_list); 451988eea45cSKlaus Jensen n->cq[cqid] = cq; 452088eea45cSKlaus Jensen cq->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, nvme_post_cqes, cq); 452188eea45cSKlaus Jensen } 452288eea45cSKlaus Jensen 452388eea45cSKlaus Jensen static uint16_t nvme_create_cq(NvmeCtrl *n, NvmeRequest *req) 452488eea45cSKlaus Jensen { 452588eea45cSKlaus Jensen NvmeCQueue *cq; 452688eea45cSKlaus Jensen NvmeCreateCq *c = (NvmeCreateCq *)&req->cmd; 452788eea45cSKlaus Jensen uint16_t cqid = le16_to_cpu(c->cqid); 452888eea45cSKlaus Jensen uint16_t vector = le16_to_cpu(c->irq_vector); 452988eea45cSKlaus Jensen uint16_t qsize = le16_to_cpu(c->qsize); 453088eea45cSKlaus Jensen uint16_t qflags = le16_to_cpu(c->cq_flags); 453188eea45cSKlaus Jensen uint64_t prp1 = le64_to_cpu(c->prp1); 453288eea45cSKlaus Jensen 453388eea45cSKlaus Jensen trace_pci_nvme_create_cq(prp1, cqid, vector, qsize, qflags, 453488eea45cSKlaus Jensen NVME_CQ_FLAGS_IEN(qflags) != 0); 453588eea45cSKlaus Jensen 453688eea45cSKlaus Jensen if (unlikely(!cqid || cqid > n->params.max_ioqpairs || 453788eea45cSKlaus Jensen n->cq[cqid] != NULL)) { 453888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_cqid(cqid); 453988eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 454088eea45cSKlaus Jensen } 454149e03457SKlaus Jensen if (unlikely(!qsize || qsize > NVME_CAP_MQES(ldq_le_p(&n->bar.cap)))) { 454288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_size(qsize); 454388eea45cSKlaus Jensen return NVME_MAX_QSIZE_EXCEEDED | NVME_DNR; 454488eea45cSKlaus Jensen } 454588eea45cSKlaus Jensen if (unlikely(prp1 & (n->page_size - 1))) { 454688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_addr(prp1); 454788eea45cSKlaus Jensen return NVME_INVALID_PRP_OFFSET | NVME_DNR; 454888eea45cSKlaus Jensen } 454988eea45cSKlaus Jensen if (unlikely(!msix_enabled(&n->parent_obj) && vector)) { 455088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_vector(vector); 455188eea45cSKlaus Jensen return NVME_INVALID_IRQ_VECTOR | NVME_DNR; 455288eea45cSKlaus Jensen } 455388eea45cSKlaus Jensen if (unlikely(vector >= n->params.msix_qsize)) { 455488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_vector(vector); 455588eea45cSKlaus Jensen return NVME_INVALID_IRQ_VECTOR | NVME_DNR; 455688eea45cSKlaus Jensen } 455788eea45cSKlaus Jensen if (unlikely(!(NVME_CQ_FLAGS_PC(qflags)))) { 455888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_qflags(NVME_CQ_FLAGS_PC(qflags)); 455988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 456088eea45cSKlaus Jensen } 456188eea45cSKlaus Jensen 456288eea45cSKlaus Jensen cq = g_malloc0(sizeof(*cq)); 456388eea45cSKlaus Jensen nvme_init_cq(cq, n, prp1, cqid, vector, qsize + 1, 456488eea45cSKlaus Jensen NVME_CQ_FLAGS_IEN(qflags)); 456588eea45cSKlaus Jensen 456688eea45cSKlaus Jensen /* 456788eea45cSKlaus Jensen * It is only required to set qs_created when creating a completion queue; 456888eea45cSKlaus Jensen * creating a submission queue without a matching completion queue will 456988eea45cSKlaus Jensen * fail. 457088eea45cSKlaus Jensen */ 457188eea45cSKlaus Jensen n->qs_created = true; 457288eea45cSKlaus Jensen return NVME_SUCCESS; 457388eea45cSKlaus Jensen } 457488eea45cSKlaus Jensen 457588eea45cSKlaus Jensen static uint16_t nvme_rpt_empty_id_struct(NvmeCtrl *n, NvmeRequest *req) 457688eea45cSKlaus Jensen { 457788eea45cSKlaus Jensen uint8_t id[NVME_IDENTIFY_DATA_SIZE] = {}; 457888eea45cSKlaus Jensen 457988eea45cSKlaus Jensen return nvme_c2h(n, id, sizeof(id), req); 458088eea45cSKlaus Jensen } 458188eea45cSKlaus Jensen 458288eea45cSKlaus Jensen static uint16_t nvme_identify_ctrl(NvmeCtrl *n, NvmeRequest *req) 458388eea45cSKlaus Jensen { 458488eea45cSKlaus Jensen trace_pci_nvme_identify_ctrl(); 458588eea45cSKlaus Jensen 458688eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&n->id_ctrl, sizeof(n->id_ctrl), req); 458788eea45cSKlaus Jensen } 458888eea45cSKlaus Jensen 458988eea45cSKlaus Jensen static uint16_t nvme_identify_ctrl_csi(NvmeCtrl *n, NvmeRequest *req) 459088eea45cSKlaus Jensen { 459188eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 459288eea45cSKlaus Jensen uint8_t id[NVME_IDENTIFY_DATA_SIZE] = {}; 459388eea45cSKlaus Jensen NvmeIdCtrlNvm *id_nvm = (NvmeIdCtrlNvm *)&id; 459488eea45cSKlaus Jensen 459588eea45cSKlaus Jensen trace_pci_nvme_identify_ctrl_csi(c->csi); 459688eea45cSKlaus Jensen 459788eea45cSKlaus Jensen switch (c->csi) { 459888eea45cSKlaus Jensen case NVME_CSI_NVM: 459988eea45cSKlaus Jensen id_nvm->vsl = n->params.vsl; 460088eea45cSKlaus Jensen id_nvm->dmrsl = cpu_to_le32(n->dmrsl); 460188eea45cSKlaus Jensen break; 460288eea45cSKlaus Jensen 460388eea45cSKlaus Jensen case NVME_CSI_ZONED: 460488eea45cSKlaus Jensen ((NvmeIdCtrlZoned *)&id)->zasl = n->params.zasl; 460588eea45cSKlaus Jensen break; 460688eea45cSKlaus Jensen 460788eea45cSKlaus Jensen default: 460888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 460988eea45cSKlaus Jensen } 461088eea45cSKlaus Jensen 461188eea45cSKlaus Jensen return nvme_c2h(n, id, sizeof(id), req); 461288eea45cSKlaus Jensen } 461388eea45cSKlaus Jensen 461488eea45cSKlaus Jensen static uint16_t nvme_identify_ns(NvmeCtrl *n, NvmeRequest *req, bool active) 461588eea45cSKlaus Jensen { 461688eea45cSKlaus Jensen NvmeNamespace *ns; 461788eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 461888eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 461988eea45cSKlaus Jensen 462088eea45cSKlaus Jensen trace_pci_nvme_identify_ns(nsid); 462188eea45cSKlaus Jensen 462288eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 462388eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 462488eea45cSKlaus Jensen } 462588eea45cSKlaus Jensen 462688eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 462788eea45cSKlaus Jensen if (unlikely(!ns)) { 462888eea45cSKlaus Jensen if (!active) { 462988eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 463088eea45cSKlaus Jensen if (!ns) { 463188eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 463288eea45cSKlaus Jensen } 463388eea45cSKlaus Jensen } else { 463488eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 463588eea45cSKlaus Jensen } 463688eea45cSKlaus Jensen } 463788eea45cSKlaus Jensen 46383553c48fSGollu Appalanaidu if (active || ns->csi == NVME_CSI_NVM) { 463988eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&ns->id_ns, sizeof(NvmeIdNs), req); 464088eea45cSKlaus Jensen } 464188eea45cSKlaus Jensen 464288eea45cSKlaus Jensen return NVME_INVALID_CMD_SET | NVME_DNR; 464388eea45cSKlaus Jensen } 464488eea45cSKlaus Jensen 46455f4eb94dSGollu Appalanaidu static uint16_t nvme_identify_ctrl_list(NvmeCtrl *n, NvmeRequest *req, 46465f4eb94dSGollu Appalanaidu bool attached) 464788eea45cSKlaus Jensen { 464888eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 46495f4eb94dSGollu Appalanaidu uint32_t nsid = le32_to_cpu(c->nsid); 465088eea45cSKlaus Jensen uint16_t min_id = le16_to_cpu(c->ctrlid); 465188eea45cSKlaus Jensen uint16_t list[NVME_CONTROLLER_LIST_SIZE] = {}; 465288eea45cSKlaus Jensen uint16_t *ids = &list[1]; 465388eea45cSKlaus Jensen NvmeNamespace *ns; 465488eea45cSKlaus Jensen NvmeCtrl *ctrl; 465588eea45cSKlaus Jensen int cntlid, nr_ids = 0; 465688eea45cSKlaus Jensen 46575f4eb94dSGollu Appalanaidu trace_pci_nvme_identify_ctrl_list(c->cns, min_id); 465888eea45cSKlaus Jensen 46595f4eb94dSGollu Appalanaidu if (!n->subsys) { 466088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 466188eea45cSKlaus Jensen } 466288eea45cSKlaus Jensen 46635f4eb94dSGollu Appalanaidu if (attached) { 46645f4eb94dSGollu Appalanaidu if (nsid == NVME_NSID_BROADCAST) { 46655f4eb94dSGollu Appalanaidu return NVME_INVALID_FIELD | NVME_DNR; 46665f4eb94dSGollu Appalanaidu } 46675f4eb94dSGollu Appalanaidu 46685f4eb94dSGollu Appalanaidu ns = nvme_subsys_ns(n->subsys, nsid); 466988eea45cSKlaus Jensen if (!ns) { 467088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 467188eea45cSKlaus Jensen } 46725f4eb94dSGollu Appalanaidu } 467388eea45cSKlaus Jensen 467488eea45cSKlaus Jensen for (cntlid = min_id; cntlid < ARRAY_SIZE(n->subsys->ctrls); cntlid++) { 467588eea45cSKlaus Jensen ctrl = nvme_subsys_ctrl(n->subsys, cntlid); 467688eea45cSKlaus Jensen if (!ctrl) { 467788eea45cSKlaus Jensen continue; 467888eea45cSKlaus Jensen } 467988eea45cSKlaus Jensen 46805f4eb94dSGollu Appalanaidu if (attached && !nvme_ns(ctrl, nsid)) { 468188eea45cSKlaus Jensen continue; 468288eea45cSKlaus Jensen } 468388eea45cSKlaus Jensen 468488eea45cSKlaus Jensen ids[nr_ids++] = cntlid; 468588eea45cSKlaus Jensen } 468688eea45cSKlaus Jensen 468788eea45cSKlaus Jensen list[0] = nr_ids; 468888eea45cSKlaus Jensen 468988eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)list, sizeof(list), req); 469088eea45cSKlaus Jensen } 469188eea45cSKlaus Jensen 469288eea45cSKlaus Jensen static uint16_t nvme_identify_ns_csi(NvmeCtrl *n, NvmeRequest *req, 469388eea45cSKlaus Jensen bool active) 469488eea45cSKlaus Jensen { 469588eea45cSKlaus Jensen NvmeNamespace *ns; 469688eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 469788eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 469888eea45cSKlaus Jensen 469988eea45cSKlaus Jensen trace_pci_nvme_identify_ns_csi(nsid, c->csi); 470088eea45cSKlaus Jensen 470188eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 470288eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 470388eea45cSKlaus Jensen } 470488eea45cSKlaus Jensen 470588eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 470688eea45cSKlaus Jensen if (unlikely(!ns)) { 470788eea45cSKlaus Jensen if (!active) { 470888eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 470988eea45cSKlaus Jensen if (!ns) { 471088eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 471188eea45cSKlaus Jensen } 471288eea45cSKlaus Jensen } else { 471388eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 471488eea45cSKlaus Jensen } 471588eea45cSKlaus Jensen } 471688eea45cSKlaus Jensen 47173553c48fSGollu Appalanaidu if (c->csi == NVME_CSI_NVM) { 471888eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 471988eea45cSKlaus Jensen } else if (c->csi == NVME_CSI_ZONED && ns->csi == NVME_CSI_ZONED) { 472088eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)ns->id_ns_zoned, sizeof(NvmeIdNsZoned), 472188eea45cSKlaus Jensen req); 472288eea45cSKlaus Jensen } 472388eea45cSKlaus Jensen 472488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 472588eea45cSKlaus Jensen } 472688eea45cSKlaus Jensen 472788eea45cSKlaus Jensen static uint16_t nvme_identify_nslist(NvmeCtrl *n, NvmeRequest *req, 472888eea45cSKlaus Jensen bool active) 472988eea45cSKlaus Jensen { 473088eea45cSKlaus Jensen NvmeNamespace *ns; 473188eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 473288eea45cSKlaus Jensen uint32_t min_nsid = le32_to_cpu(c->nsid); 473388eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 473488eea45cSKlaus Jensen static const int data_len = sizeof(list); 473588eea45cSKlaus Jensen uint32_t *list_ptr = (uint32_t *)list; 473688eea45cSKlaus Jensen int i, j = 0; 473788eea45cSKlaus Jensen 473888eea45cSKlaus Jensen trace_pci_nvme_identify_nslist(min_nsid); 473988eea45cSKlaus Jensen 474088eea45cSKlaus Jensen /* 474188eea45cSKlaus Jensen * Both FFFFFFFFh (NVME_NSID_BROADCAST) and FFFFFFFFEh are invalid values 474288eea45cSKlaus Jensen * since the Active Namespace ID List should return namespaces with ids 474388eea45cSKlaus Jensen * *higher* than the NSID specified in the command. This is also specified 474488eea45cSKlaus Jensen * in the spec (NVM Express v1.3d, Section 5.15.4). 474588eea45cSKlaus Jensen */ 474688eea45cSKlaus Jensen if (min_nsid >= NVME_NSID_BROADCAST - 1) { 474788eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 474888eea45cSKlaus Jensen } 474988eea45cSKlaus Jensen 475088eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 475188eea45cSKlaus Jensen ns = nvme_ns(n, i); 475288eea45cSKlaus Jensen if (!ns) { 475388eea45cSKlaus Jensen if (!active) { 475488eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, i); 475588eea45cSKlaus Jensen if (!ns) { 475688eea45cSKlaus Jensen continue; 475788eea45cSKlaus Jensen } 475888eea45cSKlaus Jensen } else { 475988eea45cSKlaus Jensen continue; 476088eea45cSKlaus Jensen } 476188eea45cSKlaus Jensen } 476288eea45cSKlaus Jensen if (ns->params.nsid <= min_nsid) { 476388eea45cSKlaus Jensen continue; 476488eea45cSKlaus Jensen } 476588eea45cSKlaus Jensen list_ptr[j++] = cpu_to_le32(ns->params.nsid); 476688eea45cSKlaus Jensen if (j == data_len / sizeof(uint32_t)) { 476788eea45cSKlaus Jensen break; 476888eea45cSKlaus Jensen } 476988eea45cSKlaus Jensen } 477088eea45cSKlaus Jensen 477188eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 477288eea45cSKlaus Jensen } 477388eea45cSKlaus Jensen 477488eea45cSKlaus Jensen static uint16_t nvme_identify_nslist_csi(NvmeCtrl *n, NvmeRequest *req, 477588eea45cSKlaus Jensen bool active) 477688eea45cSKlaus Jensen { 477788eea45cSKlaus Jensen NvmeNamespace *ns; 477888eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 477988eea45cSKlaus Jensen uint32_t min_nsid = le32_to_cpu(c->nsid); 478088eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 478188eea45cSKlaus Jensen static const int data_len = sizeof(list); 478288eea45cSKlaus Jensen uint32_t *list_ptr = (uint32_t *)list; 478388eea45cSKlaus Jensen int i, j = 0; 478488eea45cSKlaus Jensen 478588eea45cSKlaus Jensen trace_pci_nvme_identify_nslist_csi(min_nsid, c->csi); 478688eea45cSKlaus Jensen 478788eea45cSKlaus Jensen /* 478888eea45cSKlaus Jensen * Same as in nvme_identify_nslist(), FFFFFFFFh/FFFFFFFFEh are invalid. 478988eea45cSKlaus Jensen */ 479088eea45cSKlaus Jensen if (min_nsid >= NVME_NSID_BROADCAST - 1) { 479188eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 479288eea45cSKlaus Jensen } 479388eea45cSKlaus Jensen 479488eea45cSKlaus Jensen if (c->csi != NVME_CSI_NVM && c->csi != NVME_CSI_ZONED) { 479588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 479688eea45cSKlaus Jensen } 479788eea45cSKlaus Jensen 479888eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 479988eea45cSKlaus Jensen ns = nvme_ns(n, i); 480088eea45cSKlaus Jensen if (!ns) { 480188eea45cSKlaus Jensen if (!active) { 480288eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, i); 480388eea45cSKlaus Jensen if (!ns) { 480488eea45cSKlaus Jensen continue; 480588eea45cSKlaus Jensen } 480688eea45cSKlaus Jensen } else { 480788eea45cSKlaus Jensen continue; 480888eea45cSKlaus Jensen } 480988eea45cSKlaus Jensen } 481088eea45cSKlaus Jensen if (ns->params.nsid <= min_nsid || c->csi != ns->csi) { 481188eea45cSKlaus Jensen continue; 481288eea45cSKlaus Jensen } 481388eea45cSKlaus Jensen list_ptr[j++] = cpu_to_le32(ns->params.nsid); 481488eea45cSKlaus Jensen if (j == data_len / sizeof(uint32_t)) { 481588eea45cSKlaus Jensen break; 481688eea45cSKlaus Jensen } 481788eea45cSKlaus Jensen } 481888eea45cSKlaus Jensen 481988eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 482088eea45cSKlaus Jensen } 482188eea45cSKlaus Jensen 482288eea45cSKlaus Jensen static uint16_t nvme_identify_ns_descr_list(NvmeCtrl *n, NvmeRequest *req) 482388eea45cSKlaus Jensen { 482488eea45cSKlaus Jensen NvmeNamespace *ns; 482588eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 482688eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 482788eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 48286870cfb8SHeinrich Schuchardt uint8_t *pos = list; 482988eea45cSKlaus Jensen struct { 483088eea45cSKlaus Jensen NvmeIdNsDescr hdr; 483188eea45cSKlaus Jensen uint8_t v[NVME_NIDL_UUID]; 48325f4884c4SKlaus Jensen } QEMU_PACKED uuid = {}; 48336870cfb8SHeinrich Schuchardt struct { 48346870cfb8SHeinrich Schuchardt NvmeIdNsDescr hdr; 48356870cfb8SHeinrich Schuchardt uint64_t v; 48365f4884c4SKlaus Jensen } QEMU_PACKED eui64 = {}; 483788eea45cSKlaus Jensen struct { 483888eea45cSKlaus Jensen NvmeIdNsDescr hdr; 483988eea45cSKlaus Jensen uint8_t v; 48405f4884c4SKlaus Jensen } QEMU_PACKED csi = {}; 484188eea45cSKlaus Jensen 484288eea45cSKlaus Jensen trace_pci_nvme_identify_ns_descr_list(nsid); 484388eea45cSKlaus Jensen 484488eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 484588eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 484688eea45cSKlaus Jensen } 484788eea45cSKlaus Jensen 484888eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 484988eea45cSKlaus Jensen if (unlikely(!ns)) { 485088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 485188eea45cSKlaus Jensen } 485288eea45cSKlaus Jensen 485388eea45cSKlaus Jensen /* 48546870cfb8SHeinrich Schuchardt * If the EUI-64 field is 0 and the NGUID field is 0, the namespace must 48556870cfb8SHeinrich Schuchardt * provide a valid Namespace UUID in the Namespace Identification Descriptor 48566870cfb8SHeinrich Schuchardt * data structure. QEMU does not yet support setting NGUID. 485788eea45cSKlaus Jensen */ 48586870cfb8SHeinrich Schuchardt uuid.hdr.nidt = NVME_NIDT_UUID; 48596870cfb8SHeinrich Schuchardt uuid.hdr.nidl = NVME_NIDL_UUID; 48606870cfb8SHeinrich Schuchardt memcpy(uuid.v, ns->params.uuid.data, NVME_NIDL_UUID); 48616870cfb8SHeinrich Schuchardt memcpy(pos, &uuid, sizeof(uuid)); 48626870cfb8SHeinrich Schuchardt pos += sizeof(uuid); 486388eea45cSKlaus Jensen 48646870cfb8SHeinrich Schuchardt if (ns->params.eui64) { 48656870cfb8SHeinrich Schuchardt eui64.hdr.nidt = NVME_NIDT_EUI64; 48666870cfb8SHeinrich Schuchardt eui64.hdr.nidl = NVME_NIDL_EUI64; 48676870cfb8SHeinrich Schuchardt eui64.v = cpu_to_be64(ns->params.eui64); 48686870cfb8SHeinrich Schuchardt memcpy(pos, &eui64, sizeof(eui64)); 48696870cfb8SHeinrich Schuchardt pos += sizeof(eui64); 48706870cfb8SHeinrich Schuchardt } 48716870cfb8SHeinrich Schuchardt 48726870cfb8SHeinrich Schuchardt csi.hdr.nidt = NVME_NIDT_CSI; 48736870cfb8SHeinrich Schuchardt csi.hdr.nidl = NVME_NIDL_CSI; 48746870cfb8SHeinrich Schuchardt csi.v = ns->csi; 48756870cfb8SHeinrich Schuchardt memcpy(pos, &csi, sizeof(csi)); 48766870cfb8SHeinrich Schuchardt pos += sizeof(csi); 487788eea45cSKlaus Jensen 487888eea45cSKlaus Jensen return nvme_c2h(n, list, sizeof(list), req); 487988eea45cSKlaus Jensen } 488088eea45cSKlaus Jensen 488188eea45cSKlaus Jensen static uint16_t nvme_identify_cmd_set(NvmeCtrl *n, NvmeRequest *req) 488288eea45cSKlaus Jensen { 488388eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 488488eea45cSKlaus Jensen static const int data_len = sizeof(list); 488588eea45cSKlaus Jensen 488688eea45cSKlaus Jensen trace_pci_nvme_identify_cmd_set(); 488788eea45cSKlaus Jensen 488888eea45cSKlaus Jensen NVME_SET_CSI(*list, NVME_CSI_NVM); 488988eea45cSKlaus Jensen NVME_SET_CSI(*list, NVME_CSI_ZONED); 489088eea45cSKlaus Jensen 489188eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 489288eea45cSKlaus Jensen } 489388eea45cSKlaus Jensen 489488eea45cSKlaus Jensen static uint16_t nvme_identify(NvmeCtrl *n, NvmeRequest *req) 489588eea45cSKlaus Jensen { 489688eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 489788eea45cSKlaus Jensen 489888eea45cSKlaus Jensen trace_pci_nvme_identify(nvme_cid(req), c->cns, le16_to_cpu(c->ctrlid), 489988eea45cSKlaus Jensen c->csi); 490088eea45cSKlaus Jensen 490188eea45cSKlaus Jensen switch (c->cns) { 490288eea45cSKlaus Jensen case NVME_ID_CNS_NS: 490388eea45cSKlaus Jensen return nvme_identify_ns(n, req, true); 490488eea45cSKlaus Jensen case NVME_ID_CNS_NS_PRESENT: 490588eea45cSKlaus Jensen return nvme_identify_ns(n, req, false); 490688eea45cSKlaus Jensen case NVME_ID_CNS_NS_ATTACHED_CTRL_LIST: 49075f4eb94dSGollu Appalanaidu return nvme_identify_ctrl_list(n, req, true); 49085f4eb94dSGollu Appalanaidu case NVME_ID_CNS_CTRL_LIST: 49095f4eb94dSGollu Appalanaidu return nvme_identify_ctrl_list(n, req, false); 491088eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS: 491188eea45cSKlaus Jensen return nvme_identify_ns_csi(n, req, true); 491288eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_PRESENT: 491388eea45cSKlaus Jensen return nvme_identify_ns_csi(n, req, false); 491488eea45cSKlaus Jensen case NVME_ID_CNS_CTRL: 491588eea45cSKlaus Jensen return nvme_identify_ctrl(n, req); 491688eea45cSKlaus Jensen case NVME_ID_CNS_CS_CTRL: 491788eea45cSKlaus Jensen return nvme_identify_ctrl_csi(n, req); 491888eea45cSKlaus Jensen case NVME_ID_CNS_NS_ACTIVE_LIST: 491988eea45cSKlaus Jensen return nvme_identify_nslist(n, req, true); 492088eea45cSKlaus Jensen case NVME_ID_CNS_NS_PRESENT_LIST: 492188eea45cSKlaus Jensen return nvme_identify_nslist(n, req, false); 492288eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_ACTIVE_LIST: 492388eea45cSKlaus Jensen return nvme_identify_nslist_csi(n, req, true); 492488eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_PRESENT_LIST: 492588eea45cSKlaus Jensen return nvme_identify_nslist_csi(n, req, false); 492688eea45cSKlaus Jensen case NVME_ID_CNS_NS_DESCR_LIST: 492788eea45cSKlaus Jensen return nvme_identify_ns_descr_list(n, req); 492888eea45cSKlaus Jensen case NVME_ID_CNS_IO_COMMAND_SET: 492988eea45cSKlaus Jensen return nvme_identify_cmd_set(n, req); 493088eea45cSKlaus Jensen default: 493188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_identify_cns(le32_to_cpu(c->cns)); 493288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 493388eea45cSKlaus Jensen } 493488eea45cSKlaus Jensen } 493588eea45cSKlaus Jensen 493688eea45cSKlaus Jensen static uint16_t nvme_abort(NvmeCtrl *n, NvmeRequest *req) 493788eea45cSKlaus Jensen { 493888eea45cSKlaus Jensen uint16_t sqid = le32_to_cpu(req->cmd.cdw10) & 0xffff; 493988eea45cSKlaus Jensen 494088eea45cSKlaus Jensen req->cqe.result = 1; 494188eea45cSKlaus Jensen if (nvme_check_sqid(n, sqid)) { 494288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 494388eea45cSKlaus Jensen } 494488eea45cSKlaus Jensen 494588eea45cSKlaus Jensen return NVME_SUCCESS; 494688eea45cSKlaus Jensen } 494788eea45cSKlaus Jensen 494888eea45cSKlaus Jensen static inline void nvme_set_timestamp(NvmeCtrl *n, uint64_t ts) 494988eea45cSKlaus Jensen { 495088eea45cSKlaus Jensen trace_pci_nvme_setfeat_timestamp(ts); 495188eea45cSKlaus Jensen 495288eea45cSKlaus Jensen n->host_timestamp = le64_to_cpu(ts); 495388eea45cSKlaus Jensen n->timestamp_set_qemu_clock_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 495488eea45cSKlaus Jensen } 495588eea45cSKlaus Jensen 495688eea45cSKlaus Jensen static inline uint64_t nvme_get_timestamp(const NvmeCtrl *n) 495788eea45cSKlaus Jensen { 495888eea45cSKlaus Jensen uint64_t current_time = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 495988eea45cSKlaus Jensen uint64_t elapsed_time = current_time - n->timestamp_set_qemu_clock_ms; 496088eea45cSKlaus Jensen 496188eea45cSKlaus Jensen union nvme_timestamp { 496288eea45cSKlaus Jensen struct { 496388eea45cSKlaus Jensen uint64_t timestamp:48; 496488eea45cSKlaus Jensen uint64_t sync:1; 496588eea45cSKlaus Jensen uint64_t origin:3; 496688eea45cSKlaus Jensen uint64_t rsvd1:12; 496788eea45cSKlaus Jensen }; 496888eea45cSKlaus Jensen uint64_t all; 496988eea45cSKlaus Jensen }; 497088eea45cSKlaus Jensen 497188eea45cSKlaus Jensen union nvme_timestamp ts; 497288eea45cSKlaus Jensen ts.all = 0; 497388eea45cSKlaus Jensen ts.timestamp = n->host_timestamp + elapsed_time; 497488eea45cSKlaus Jensen 497588eea45cSKlaus Jensen /* If the host timestamp is non-zero, set the timestamp origin */ 497688eea45cSKlaus Jensen ts.origin = n->host_timestamp ? 0x01 : 0x00; 497788eea45cSKlaus Jensen 497888eea45cSKlaus Jensen trace_pci_nvme_getfeat_timestamp(ts.all); 497988eea45cSKlaus Jensen 498088eea45cSKlaus Jensen return cpu_to_le64(ts.all); 498188eea45cSKlaus Jensen } 498288eea45cSKlaus Jensen 498388eea45cSKlaus Jensen static uint16_t nvme_get_feature_timestamp(NvmeCtrl *n, NvmeRequest *req) 498488eea45cSKlaus Jensen { 498588eea45cSKlaus Jensen uint64_t timestamp = nvme_get_timestamp(n); 498688eea45cSKlaus Jensen 498788eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)×tamp, sizeof(timestamp), req); 498888eea45cSKlaus Jensen } 498988eea45cSKlaus Jensen 499088eea45cSKlaus Jensen static uint16_t nvme_get_feature(NvmeCtrl *n, NvmeRequest *req) 499188eea45cSKlaus Jensen { 499288eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 499388eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 499488eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 499588eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(cmd->nsid); 499688eea45cSKlaus Jensen uint32_t result; 499788eea45cSKlaus Jensen uint8_t fid = NVME_GETSETFEAT_FID(dw10); 499888eea45cSKlaus Jensen NvmeGetFeatureSelect sel = NVME_GETFEAT_SELECT(dw10); 499988eea45cSKlaus Jensen uint16_t iv; 500088eea45cSKlaus Jensen NvmeNamespace *ns; 500188eea45cSKlaus Jensen int i; 500288eea45cSKlaus Jensen 500388eea45cSKlaus Jensen static const uint32_t nvme_feature_default[NVME_FID_MAX] = { 500488eea45cSKlaus Jensen [NVME_ARBITRATION] = NVME_ARB_AB_NOLIMIT, 500588eea45cSKlaus Jensen }; 500688eea45cSKlaus Jensen 500788eea45cSKlaus Jensen trace_pci_nvme_getfeat(nvme_cid(req), nsid, fid, sel, dw11); 500888eea45cSKlaus Jensen 500988eea45cSKlaus Jensen if (!nvme_feature_support[fid]) { 501088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 501188eea45cSKlaus Jensen } 501288eea45cSKlaus Jensen 501388eea45cSKlaus Jensen if (nvme_feature_cap[fid] & NVME_FEAT_CAP_NS) { 501488eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 501588eea45cSKlaus Jensen /* 501688eea45cSKlaus Jensen * The Reservation Notification Mask and Reservation Persistence 501788eea45cSKlaus Jensen * features require a status code of Invalid Field in Command when 501888eea45cSKlaus Jensen * NSID is FFFFFFFFh. Since the device does not support those 501988eea45cSKlaus Jensen * features we can always return Invalid Namespace or Format as we 502088eea45cSKlaus Jensen * should do for all other features. 502188eea45cSKlaus Jensen */ 502288eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 502388eea45cSKlaus Jensen } 502488eea45cSKlaus Jensen 502588eea45cSKlaus Jensen if (!nvme_ns(n, nsid)) { 502688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 502788eea45cSKlaus Jensen } 502888eea45cSKlaus Jensen } 502988eea45cSKlaus Jensen 503088eea45cSKlaus Jensen switch (sel) { 503188eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_CURRENT: 503288eea45cSKlaus Jensen break; 503388eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_SAVED: 503488eea45cSKlaus Jensen /* no features are saveable by the controller; fallthrough */ 503588eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_DEFAULT: 503688eea45cSKlaus Jensen goto defaults; 503788eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_CAP: 503888eea45cSKlaus Jensen result = nvme_feature_cap[fid]; 503988eea45cSKlaus Jensen goto out; 504088eea45cSKlaus Jensen } 504188eea45cSKlaus Jensen 504288eea45cSKlaus Jensen switch (fid) { 504388eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 504488eea45cSKlaus Jensen result = 0; 504588eea45cSKlaus Jensen 504688eea45cSKlaus Jensen /* 504788eea45cSKlaus Jensen * The controller only implements the Composite Temperature sensor, so 504888eea45cSKlaus Jensen * return 0 for all other sensors. 504988eea45cSKlaus Jensen */ 505088eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 505188eea45cSKlaus Jensen goto out; 505288eea45cSKlaus Jensen } 505388eea45cSKlaus Jensen 505488eea45cSKlaus Jensen switch (NVME_TEMP_THSEL(dw11)) { 505588eea45cSKlaus Jensen case NVME_TEMP_THSEL_OVER: 505688eea45cSKlaus Jensen result = n->features.temp_thresh_hi; 505788eea45cSKlaus Jensen goto out; 505888eea45cSKlaus Jensen case NVME_TEMP_THSEL_UNDER: 505988eea45cSKlaus Jensen result = n->features.temp_thresh_low; 506088eea45cSKlaus Jensen goto out; 506188eea45cSKlaus Jensen } 506288eea45cSKlaus Jensen 506388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 506488eea45cSKlaus Jensen case NVME_ERROR_RECOVERY: 506588eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 506688eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 506788eea45cSKlaus Jensen } 506888eea45cSKlaus Jensen 506988eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 507088eea45cSKlaus Jensen if (unlikely(!ns)) { 507188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 507288eea45cSKlaus Jensen } 507388eea45cSKlaus Jensen 507488eea45cSKlaus Jensen result = ns->features.err_rec; 507588eea45cSKlaus Jensen goto out; 507688eea45cSKlaus Jensen case NVME_VOLATILE_WRITE_CACHE: 507788eea45cSKlaus Jensen result = 0; 507888eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 507988eea45cSKlaus Jensen ns = nvme_ns(n, i); 508088eea45cSKlaus Jensen if (!ns) { 508188eea45cSKlaus Jensen continue; 508288eea45cSKlaus Jensen } 508388eea45cSKlaus Jensen 508488eea45cSKlaus Jensen result = blk_enable_write_cache(ns->blkconf.blk); 508588eea45cSKlaus Jensen if (result) { 508688eea45cSKlaus Jensen break; 508788eea45cSKlaus Jensen } 508888eea45cSKlaus Jensen } 508988eea45cSKlaus Jensen trace_pci_nvme_getfeat_vwcache(result ? "enabled" : "disabled"); 509088eea45cSKlaus Jensen goto out; 509188eea45cSKlaus Jensen case NVME_ASYNCHRONOUS_EVENT_CONF: 509288eea45cSKlaus Jensen result = n->features.async_config; 509388eea45cSKlaus Jensen goto out; 509488eea45cSKlaus Jensen case NVME_TIMESTAMP: 509588eea45cSKlaus Jensen return nvme_get_feature_timestamp(n, req); 5096*d0c0697bSNaveen Nagar case NVME_HOST_BEHAVIOR_SUPPORT: 5097*d0c0697bSNaveen Nagar return nvme_c2h(n, (uint8_t *)&n->features.hbs, 5098*d0c0697bSNaveen Nagar sizeof(n->features.hbs), req); 509988eea45cSKlaus Jensen default: 510088eea45cSKlaus Jensen break; 510188eea45cSKlaus Jensen } 510288eea45cSKlaus Jensen 510388eea45cSKlaus Jensen defaults: 510488eea45cSKlaus Jensen switch (fid) { 510588eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 510688eea45cSKlaus Jensen result = 0; 510788eea45cSKlaus Jensen 510888eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 510988eea45cSKlaus Jensen break; 511088eea45cSKlaus Jensen } 511188eea45cSKlaus Jensen 511288eea45cSKlaus Jensen if (NVME_TEMP_THSEL(dw11) == NVME_TEMP_THSEL_OVER) { 511388eea45cSKlaus Jensen result = NVME_TEMPERATURE_WARNING; 511488eea45cSKlaus Jensen } 511588eea45cSKlaus Jensen 511688eea45cSKlaus Jensen break; 511788eea45cSKlaus Jensen case NVME_NUMBER_OF_QUEUES: 511888eea45cSKlaus Jensen result = (n->params.max_ioqpairs - 1) | 511988eea45cSKlaus Jensen ((n->params.max_ioqpairs - 1) << 16); 512088eea45cSKlaus Jensen trace_pci_nvme_getfeat_numq(result); 512188eea45cSKlaus Jensen break; 512288eea45cSKlaus Jensen case NVME_INTERRUPT_VECTOR_CONF: 512388eea45cSKlaus Jensen iv = dw11 & 0xffff; 512488eea45cSKlaus Jensen if (iv >= n->params.max_ioqpairs + 1) { 512588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 512688eea45cSKlaus Jensen } 512788eea45cSKlaus Jensen 512888eea45cSKlaus Jensen result = iv; 512988eea45cSKlaus Jensen if (iv == n->admin_cq.vector) { 513088eea45cSKlaus Jensen result |= NVME_INTVC_NOCOALESCING; 513188eea45cSKlaus Jensen } 513288eea45cSKlaus Jensen break; 513388eea45cSKlaus Jensen default: 513488eea45cSKlaus Jensen result = nvme_feature_default[fid]; 513588eea45cSKlaus Jensen break; 513688eea45cSKlaus Jensen } 513788eea45cSKlaus Jensen 513888eea45cSKlaus Jensen out: 513988eea45cSKlaus Jensen req->cqe.result = cpu_to_le32(result); 514088eea45cSKlaus Jensen return NVME_SUCCESS; 514188eea45cSKlaus Jensen } 514288eea45cSKlaus Jensen 514388eea45cSKlaus Jensen static uint16_t nvme_set_feature_timestamp(NvmeCtrl *n, NvmeRequest *req) 514488eea45cSKlaus Jensen { 514588eea45cSKlaus Jensen uint16_t ret; 514688eea45cSKlaus Jensen uint64_t timestamp; 514788eea45cSKlaus Jensen 514888eea45cSKlaus Jensen ret = nvme_h2c(n, (uint8_t *)×tamp, sizeof(timestamp), req); 514988eea45cSKlaus Jensen if (ret) { 515088eea45cSKlaus Jensen return ret; 515188eea45cSKlaus Jensen } 515288eea45cSKlaus Jensen 515388eea45cSKlaus Jensen nvme_set_timestamp(n, timestamp); 515488eea45cSKlaus Jensen 515588eea45cSKlaus Jensen return NVME_SUCCESS; 515688eea45cSKlaus Jensen } 515788eea45cSKlaus Jensen 515888eea45cSKlaus Jensen static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeRequest *req) 515988eea45cSKlaus Jensen { 516088eea45cSKlaus Jensen NvmeNamespace *ns = NULL; 516188eea45cSKlaus Jensen 516288eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 516388eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 516488eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 516588eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(cmd->nsid); 516688eea45cSKlaus Jensen uint8_t fid = NVME_GETSETFEAT_FID(dw10); 516788eea45cSKlaus Jensen uint8_t save = NVME_SETFEAT_SAVE(dw10); 516888eea45cSKlaus Jensen int i; 516988eea45cSKlaus Jensen 517088eea45cSKlaus Jensen trace_pci_nvme_setfeat(nvme_cid(req), nsid, fid, save, dw11); 517188eea45cSKlaus Jensen 517288eea45cSKlaus Jensen if (save && !(nvme_feature_cap[fid] & NVME_FEAT_CAP_SAVE)) { 517388eea45cSKlaus Jensen return NVME_FID_NOT_SAVEABLE | NVME_DNR; 517488eea45cSKlaus Jensen } 517588eea45cSKlaus Jensen 517688eea45cSKlaus Jensen if (!nvme_feature_support[fid]) { 517788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 517888eea45cSKlaus Jensen } 517988eea45cSKlaus Jensen 518088eea45cSKlaus Jensen if (nvme_feature_cap[fid] & NVME_FEAT_CAP_NS) { 518188eea45cSKlaus Jensen if (nsid != NVME_NSID_BROADCAST) { 518288eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 518388eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 518488eea45cSKlaus Jensen } 518588eea45cSKlaus Jensen 518688eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 518788eea45cSKlaus Jensen if (unlikely(!ns)) { 518888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 518988eea45cSKlaus Jensen } 519088eea45cSKlaus Jensen } 519188eea45cSKlaus Jensen } else if (nsid && nsid != NVME_NSID_BROADCAST) { 519288eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 519388eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 519488eea45cSKlaus Jensen } 519588eea45cSKlaus Jensen 519688eea45cSKlaus Jensen return NVME_FEAT_NOT_NS_SPEC | NVME_DNR; 519788eea45cSKlaus Jensen } 519888eea45cSKlaus Jensen 519988eea45cSKlaus Jensen if (!(nvme_feature_cap[fid] & NVME_FEAT_CAP_CHANGE)) { 520088eea45cSKlaus Jensen return NVME_FEAT_NOT_CHANGEABLE | NVME_DNR; 520188eea45cSKlaus Jensen } 520288eea45cSKlaus Jensen 520388eea45cSKlaus Jensen switch (fid) { 520488eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 520588eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 520688eea45cSKlaus Jensen break; 520788eea45cSKlaus Jensen } 520888eea45cSKlaus Jensen 520988eea45cSKlaus Jensen switch (NVME_TEMP_THSEL(dw11)) { 521088eea45cSKlaus Jensen case NVME_TEMP_THSEL_OVER: 521188eea45cSKlaus Jensen n->features.temp_thresh_hi = NVME_TEMP_TMPTH(dw11); 521288eea45cSKlaus Jensen break; 521388eea45cSKlaus Jensen case NVME_TEMP_THSEL_UNDER: 521488eea45cSKlaus Jensen n->features.temp_thresh_low = NVME_TEMP_TMPTH(dw11); 521588eea45cSKlaus Jensen break; 521688eea45cSKlaus Jensen default: 521788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 521888eea45cSKlaus Jensen } 521988eea45cSKlaus Jensen 522088eea45cSKlaus Jensen if ((n->temperature >= n->features.temp_thresh_hi) || 522188eea45cSKlaus Jensen (n->temperature <= n->features.temp_thresh_low)) { 522288eea45cSKlaus Jensen nvme_smart_event(n, NVME_AER_INFO_SMART_TEMP_THRESH); 522388eea45cSKlaus Jensen } 522488eea45cSKlaus Jensen 522588eea45cSKlaus Jensen break; 522688eea45cSKlaus Jensen case NVME_ERROR_RECOVERY: 522788eea45cSKlaus Jensen if (nsid == NVME_NSID_BROADCAST) { 522888eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 522988eea45cSKlaus Jensen ns = nvme_ns(n, i); 523088eea45cSKlaus Jensen 523188eea45cSKlaus Jensen if (!ns) { 523288eea45cSKlaus Jensen continue; 523388eea45cSKlaus Jensen } 523488eea45cSKlaus Jensen 523588eea45cSKlaus Jensen if (NVME_ID_NS_NSFEAT_DULBE(ns->id_ns.nsfeat)) { 523688eea45cSKlaus Jensen ns->features.err_rec = dw11; 523788eea45cSKlaus Jensen } 523888eea45cSKlaus Jensen } 523988eea45cSKlaus Jensen 524088eea45cSKlaus Jensen break; 524188eea45cSKlaus Jensen } 524288eea45cSKlaus Jensen 524388eea45cSKlaus Jensen assert(ns); 524488eea45cSKlaus Jensen if (NVME_ID_NS_NSFEAT_DULBE(ns->id_ns.nsfeat)) { 524588eea45cSKlaus Jensen ns->features.err_rec = dw11; 524688eea45cSKlaus Jensen } 524788eea45cSKlaus Jensen break; 524888eea45cSKlaus Jensen case NVME_VOLATILE_WRITE_CACHE: 524988eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 525088eea45cSKlaus Jensen ns = nvme_ns(n, i); 525188eea45cSKlaus Jensen if (!ns) { 525288eea45cSKlaus Jensen continue; 525388eea45cSKlaus Jensen } 525488eea45cSKlaus Jensen 525588eea45cSKlaus Jensen if (!(dw11 & 0x1) && blk_enable_write_cache(ns->blkconf.blk)) { 525688eea45cSKlaus Jensen blk_flush(ns->blkconf.blk); 525788eea45cSKlaus Jensen } 525888eea45cSKlaus Jensen 525988eea45cSKlaus Jensen blk_set_enable_write_cache(ns->blkconf.blk, dw11 & 1); 526088eea45cSKlaus Jensen } 526188eea45cSKlaus Jensen 526288eea45cSKlaus Jensen break; 526388eea45cSKlaus Jensen 526488eea45cSKlaus Jensen case NVME_NUMBER_OF_QUEUES: 526588eea45cSKlaus Jensen if (n->qs_created) { 526688eea45cSKlaus Jensen return NVME_CMD_SEQ_ERROR | NVME_DNR; 526788eea45cSKlaus Jensen } 526888eea45cSKlaus Jensen 526988eea45cSKlaus Jensen /* 527088eea45cSKlaus Jensen * NVMe v1.3, Section 5.21.1.7: FFFFh is not an allowed value for NCQR 527188eea45cSKlaus Jensen * and NSQR. 527288eea45cSKlaus Jensen */ 527388eea45cSKlaus Jensen if ((dw11 & 0xffff) == 0xffff || ((dw11 >> 16) & 0xffff) == 0xffff) { 527488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 527588eea45cSKlaus Jensen } 527688eea45cSKlaus Jensen 527788eea45cSKlaus Jensen trace_pci_nvme_setfeat_numq((dw11 & 0xffff) + 1, 527888eea45cSKlaus Jensen ((dw11 >> 16) & 0xffff) + 1, 527988eea45cSKlaus Jensen n->params.max_ioqpairs, 528088eea45cSKlaus Jensen n->params.max_ioqpairs); 528188eea45cSKlaus Jensen req->cqe.result = cpu_to_le32((n->params.max_ioqpairs - 1) | 528288eea45cSKlaus Jensen ((n->params.max_ioqpairs - 1) << 16)); 528388eea45cSKlaus Jensen break; 528488eea45cSKlaus Jensen case NVME_ASYNCHRONOUS_EVENT_CONF: 528588eea45cSKlaus Jensen n->features.async_config = dw11; 528688eea45cSKlaus Jensen break; 528788eea45cSKlaus Jensen case NVME_TIMESTAMP: 528888eea45cSKlaus Jensen return nvme_set_feature_timestamp(n, req); 5289*d0c0697bSNaveen Nagar case NVME_HOST_BEHAVIOR_SUPPORT: 5290*d0c0697bSNaveen Nagar return nvme_h2c(n, (uint8_t *)&n->features.hbs, 5291*d0c0697bSNaveen Nagar sizeof(n->features.hbs), req); 529288eea45cSKlaus Jensen case NVME_COMMAND_SET_PROFILE: 529388eea45cSKlaus Jensen if (dw11 & 0x1ff) { 529488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_iocsci(dw11 & 0x1ff); 529588eea45cSKlaus Jensen return NVME_CMD_SET_CMB_REJECTED | NVME_DNR; 529688eea45cSKlaus Jensen } 529788eea45cSKlaus Jensen break; 529888eea45cSKlaus Jensen default: 529988eea45cSKlaus Jensen return NVME_FEAT_NOT_CHANGEABLE | NVME_DNR; 530088eea45cSKlaus Jensen } 530188eea45cSKlaus Jensen return NVME_SUCCESS; 530288eea45cSKlaus Jensen } 530388eea45cSKlaus Jensen 530488eea45cSKlaus Jensen static uint16_t nvme_aer(NvmeCtrl *n, NvmeRequest *req) 530588eea45cSKlaus Jensen { 530688eea45cSKlaus Jensen trace_pci_nvme_aer(nvme_cid(req)); 530788eea45cSKlaus Jensen 530888eea45cSKlaus Jensen if (n->outstanding_aers > n->params.aerl) { 530988eea45cSKlaus Jensen trace_pci_nvme_aer_aerl_exceeded(); 531088eea45cSKlaus Jensen return NVME_AER_LIMIT_EXCEEDED; 531188eea45cSKlaus Jensen } 531288eea45cSKlaus Jensen 531388eea45cSKlaus Jensen n->aer_reqs[n->outstanding_aers] = req; 531488eea45cSKlaus Jensen n->outstanding_aers++; 531588eea45cSKlaus Jensen 531688eea45cSKlaus Jensen if (!QTAILQ_EMPTY(&n->aer_queue)) { 531788eea45cSKlaus Jensen nvme_process_aers(n); 531888eea45cSKlaus Jensen } 531988eea45cSKlaus Jensen 532088eea45cSKlaus Jensen return NVME_NO_COMPLETE; 532188eea45cSKlaus Jensen } 532288eea45cSKlaus Jensen 532388eea45cSKlaus Jensen static void nvme_update_dmrsl(NvmeCtrl *n) 532488eea45cSKlaus Jensen { 532588eea45cSKlaus Jensen int nsid; 532688eea45cSKlaus Jensen 532788eea45cSKlaus Jensen for (nsid = 1; nsid <= NVME_MAX_NAMESPACES; nsid++) { 532888eea45cSKlaus Jensen NvmeNamespace *ns = nvme_ns(n, nsid); 532988eea45cSKlaus Jensen if (!ns) { 533088eea45cSKlaus Jensen continue; 533188eea45cSKlaus Jensen } 533288eea45cSKlaus Jensen 533388eea45cSKlaus Jensen n->dmrsl = MIN_NON_ZERO(n->dmrsl, 533488eea45cSKlaus Jensen BDRV_REQUEST_MAX_BYTES / nvme_l2b(ns, 1)); 533588eea45cSKlaus Jensen } 533688eea45cSKlaus Jensen } 533788eea45cSKlaus Jensen 533888eea45cSKlaus Jensen static void nvme_select_iocs_ns(NvmeCtrl *n, NvmeNamespace *ns) 533988eea45cSKlaus Jensen { 534049e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 534149e03457SKlaus Jensen 534288eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_none; 534388eea45cSKlaus Jensen switch (ns->csi) { 534488eea45cSKlaus Jensen case NVME_CSI_NVM: 534549e03457SKlaus Jensen if (NVME_CC_CSS(cc) != NVME_CC_CSS_ADMIN_ONLY) { 534688eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_nvm; 534788eea45cSKlaus Jensen } 534888eea45cSKlaus Jensen break; 534988eea45cSKlaus Jensen case NVME_CSI_ZONED: 535049e03457SKlaus Jensen if (NVME_CC_CSS(cc) == NVME_CC_CSS_CSI) { 535188eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_zoned; 535249e03457SKlaus Jensen } else if (NVME_CC_CSS(cc) == NVME_CC_CSS_NVM) { 535388eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_nvm; 535488eea45cSKlaus Jensen } 535588eea45cSKlaus Jensen break; 535688eea45cSKlaus Jensen } 535788eea45cSKlaus Jensen } 535888eea45cSKlaus Jensen 535988eea45cSKlaus Jensen static uint16_t nvme_ns_attachment(NvmeCtrl *n, NvmeRequest *req) 536088eea45cSKlaus Jensen { 536188eea45cSKlaus Jensen NvmeNamespace *ns; 536288eea45cSKlaus Jensen NvmeCtrl *ctrl; 536388eea45cSKlaus Jensen uint16_t list[NVME_CONTROLLER_LIST_SIZE] = {}; 536488eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 536588eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 536607a3dfa7SNaveen Nagar uint8_t sel = dw10 & 0xf; 536788eea45cSKlaus Jensen uint16_t *nr_ids = &list[0]; 536888eea45cSKlaus Jensen uint16_t *ids = &list[1]; 536988eea45cSKlaus Jensen uint16_t ret; 537088eea45cSKlaus Jensen int i; 537188eea45cSKlaus Jensen 537288eea45cSKlaus Jensen trace_pci_nvme_ns_attachment(nvme_cid(req), dw10 & 0xf); 537388eea45cSKlaus Jensen 537488eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 537588eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 537688eea45cSKlaus Jensen } 537788eea45cSKlaus Jensen 537888eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 537988eea45cSKlaus Jensen if (!ns) { 538088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 538188eea45cSKlaus Jensen } 538288eea45cSKlaus Jensen 538388eea45cSKlaus Jensen ret = nvme_h2c(n, (uint8_t *)list, 4096, req); 538488eea45cSKlaus Jensen if (ret) { 538588eea45cSKlaus Jensen return ret; 538688eea45cSKlaus Jensen } 538788eea45cSKlaus Jensen 538888eea45cSKlaus Jensen if (!*nr_ids) { 538988eea45cSKlaus Jensen return NVME_NS_CTRL_LIST_INVALID | NVME_DNR; 539088eea45cSKlaus Jensen } 539188eea45cSKlaus Jensen 539288eea45cSKlaus Jensen *nr_ids = MIN(*nr_ids, NVME_CONTROLLER_LIST_SIZE - 1); 539388eea45cSKlaus Jensen for (i = 0; i < *nr_ids; i++) { 539488eea45cSKlaus Jensen ctrl = nvme_subsys_ctrl(n->subsys, ids[i]); 539588eea45cSKlaus Jensen if (!ctrl) { 539688eea45cSKlaus Jensen return NVME_NS_CTRL_LIST_INVALID | NVME_DNR; 539788eea45cSKlaus Jensen } 539888eea45cSKlaus Jensen 539907a3dfa7SNaveen Nagar switch (sel) { 540007a3dfa7SNaveen Nagar case NVME_NS_ATTACHMENT_ATTACH: 540188eea45cSKlaus Jensen if (nvme_ns(ctrl, nsid)) { 540288eea45cSKlaus Jensen return NVME_NS_ALREADY_ATTACHED | NVME_DNR; 540388eea45cSKlaus Jensen } 540488eea45cSKlaus Jensen 540588eea45cSKlaus Jensen if (ns->attached && !ns->params.shared) { 540688eea45cSKlaus Jensen return NVME_NS_PRIVATE | NVME_DNR; 540788eea45cSKlaus Jensen } 540888eea45cSKlaus Jensen 540988eea45cSKlaus Jensen nvme_attach_ns(ctrl, ns); 541088eea45cSKlaus Jensen nvme_select_iocs_ns(ctrl, ns); 541107a3dfa7SNaveen Nagar 541207a3dfa7SNaveen Nagar break; 541307a3dfa7SNaveen Nagar 541407a3dfa7SNaveen Nagar case NVME_NS_ATTACHMENT_DETACH: 541588eea45cSKlaus Jensen if (!nvme_ns(ctrl, nsid)) { 541688eea45cSKlaus Jensen return NVME_NS_NOT_ATTACHED | NVME_DNR; 541788eea45cSKlaus Jensen } 541888eea45cSKlaus Jensen 541988eea45cSKlaus Jensen ctrl->namespaces[nsid] = NULL; 542088eea45cSKlaus Jensen ns->attached--; 542188eea45cSKlaus Jensen 542288eea45cSKlaus Jensen nvme_update_dmrsl(ctrl); 542307a3dfa7SNaveen Nagar 542407a3dfa7SNaveen Nagar break; 542507a3dfa7SNaveen Nagar 542607a3dfa7SNaveen Nagar default: 542707a3dfa7SNaveen Nagar return NVME_INVALID_FIELD | NVME_DNR; 542888eea45cSKlaus Jensen } 542988eea45cSKlaus Jensen 543088eea45cSKlaus Jensen /* 543188eea45cSKlaus Jensen * Add namespace id to the changed namespace id list for event clearing 543288eea45cSKlaus Jensen * via Get Log Page command. 543388eea45cSKlaus Jensen */ 543488eea45cSKlaus Jensen if (!test_and_set_bit(nsid, ctrl->changed_nsids)) { 543588eea45cSKlaus Jensen nvme_enqueue_event(ctrl, NVME_AER_TYPE_NOTICE, 543688eea45cSKlaus Jensen NVME_AER_INFO_NOTICE_NS_ATTR_CHANGED, 543788eea45cSKlaus Jensen NVME_LOG_CHANGED_NSLIST); 543888eea45cSKlaus Jensen } 543988eea45cSKlaus Jensen } 544088eea45cSKlaus Jensen 544188eea45cSKlaus Jensen return NVME_SUCCESS; 544288eea45cSKlaus Jensen } 544388eea45cSKlaus Jensen 54443bcf26d3SKlaus Jensen typedef struct NvmeFormatAIOCB { 54453bcf26d3SKlaus Jensen BlockAIOCB common; 54463bcf26d3SKlaus Jensen BlockAIOCB *aiocb; 54473bcf26d3SKlaus Jensen QEMUBH *bh; 54483bcf26d3SKlaus Jensen NvmeRequest *req; 54493bcf26d3SKlaus Jensen int ret; 545088eea45cSKlaus Jensen 54513bcf26d3SKlaus Jensen NvmeNamespace *ns; 54523bcf26d3SKlaus Jensen uint32_t nsid; 54533bcf26d3SKlaus Jensen bool broadcast; 54543bcf26d3SKlaus Jensen int64_t offset; 54553bcf26d3SKlaus Jensen } NvmeFormatAIOCB; 54563bcf26d3SKlaus Jensen 54573bcf26d3SKlaus Jensen static void nvme_format_bh(void *opaque); 54583bcf26d3SKlaus Jensen 54593bcf26d3SKlaus Jensen static void nvme_format_cancel(BlockAIOCB *aiocb) 54603bcf26d3SKlaus Jensen { 54613bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = container_of(aiocb, NvmeFormatAIOCB, common); 54623bcf26d3SKlaus Jensen 54633bcf26d3SKlaus Jensen if (iocb->aiocb) { 54643bcf26d3SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 54653bcf26d3SKlaus Jensen } 54663bcf26d3SKlaus Jensen } 54673bcf26d3SKlaus Jensen 54683bcf26d3SKlaus Jensen static const AIOCBInfo nvme_format_aiocb_info = { 54693bcf26d3SKlaus Jensen .aiocb_size = sizeof(NvmeFormatAIOCB), 54703bcf26d3SKlaus Jensen .cancel_async = nvme_format_cancel, 54713bcf26d3SKlaus Jensen .get_aio_context = nvme_get_aio_context, 54723bcf26d3SKlaus Jensen }; 54733bcf26d3SKlaus Jensen 54743bcf26d3SKlaus Jensen static void nvme_format_set(NvmeNamespace *ns, NvmeCmd *cmd) 54753bcf26d3SKlaus Jensen { 54763bcf26d3SKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 54773bcf26d3SKlaus Jensen uint8_t lbaf = dw10 & 0xf; 54783bcf26d3SKlaus Jensen uint8_t pi = (dw10 >> 5) & 0x7; 54793bcf26d3SKlaus Jensen uint8_t mset = (dw10 >> 4) & 0x1; 54803bcf26d3SKlaus Jensen uint8_t pil = (dw10 >> 8) & 0x1; 54813bcf26d3SKlaus Jensen 54823bcf26d3SKlaus Jensen trace_pci_nvme_format_set(ns->params.nsid, lbaf, mset, pi, pil); 54833bcf26d3SKlaus Jensen 54843bcf26d3SKlaus Jensen ns->id_ns.dps = (pil << 3) | pi; 54853bcf26d3SKlaus Jensen ns->id_ns.flbas = lbaf | (mset << 4); 54863bcf26d3SKlaus Jensen 54873bcf26d3SKlaus Jensen nvme_ns_init_format(ns); 54883bcf26d3SKlaus Jensen } 54893bcf26d3SKlaus Jensen 54903bcf26d3SKlaus Jensen static void nvme_format_ns_cb(void *opaque, int ret) 54913bcf26d3SKlaus Jensen { 54923bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = opaque; 54933bcf26d3SKlaus Jensen NvmeRequest *req = iocb->req; 54943bcf26d3SKlaus Jensen NvmeNamespace *ns = iocb->ns; 54953bcf26d3SKlaus Jensen int bytes; 54963bcf26d3SKlaus Jensen 54973bcf26d3SKlaus Jensen if (ret < 0) { 54983bcf26d3SKlaus Jensen iocb->ret = ret; 54993bcf26d3SKlaus Jensen goto done; 55003bcf26d3SKlaus Jensen } 55013bcf26d3SKlaus Jensen 55023bcf26d3SKlaus Jensen assert(ns); 55033bcf26d3SKlaus Jensen 55043bcf26d3SKlaus Jensen if (iocb->offset < ns->size) { 55053bcf26d3SKlaus Jensen bytes = MIN(BDRV_REQUEST_MAX_BYTES, ns->size - iocb->offset); 55063bcf26d3SKlaus Jensen 55073bcf26d3SKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, iocb->offset, 55083bcf26d3SKlaus Jensen bytes, BDRV_REQ_MAY_UNMAP, 55093bcf26d3SKlaus Jensen nvme_format_ns_cb, iocb); 55103bcf26d3SKlaus Jensen 55113bcf26d3SKlaus Jensen iocb->offset += bytes; 55123bcf26d3SKlaus Jensen return; 55133bcf26d3SKlaus Jensen } 55143bcf26d3SKlaus Jensen 55153bcf26d3SKlaus Jensen nvme_format_set(ns, &req->cmd); 55163bcf26d3SKlaus Jensen ns->status = 0x0; 55173bcf26d3SKlaus Jensen iocb->ns = NULL; 55183bcf26d3SKlaus Jensen iocb->offset = 0; 55193bcf26d3SKlaus Jensen 55203bcf26d3SKlaus Jensen done: 55213bcf26d3SKlaus Jensen iocb->aiocb = NULL; 55223bcf26d3SKlaus Jensen qemu_bh_schedule(iocb->bh); 55233bcf26d3SKlaus Jensen } 55243bcf26d3SKlaus Jensen 55253bcf26d3SKlaus Jensen static uint16_t nvme_format_check(NvmeNamespace *ns, uint8_t lbaf, uint8_t pi) 55263bcf26d3SKlaus Jensen { 552788eea45cSKlaus Jensen if (ns->params.zoned) { 552888eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 552988eea45cSKlaus Jensen } 553088eea45cSKlaus Jensen 553188eea45cSKlaus Jensen if (lbaf > ns->id_ns.nlbaf) { 553288eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 553388eea45cSKlaus Jensen } 553488eea45cSKlaus Jensen 55353bcf26d3SKlaus Jensen if (pi && (ns->id_ns.lbaf[lbaf].ms < sizeof(NvmeDifTuple))) { 553688eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 553788eea45cSKlaus Jensen } 553888eea45cSKlaus Jensen 553988eea45cSKlaus Jensen if (pi && pi > NVME_ID_NS_DPS_TYPE_3) { 554088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 554188eea45cSKlaus Jensen } 554288eea45cSKlaus Jensen 554388eea45cSKlaus Jensen return NVME_SUCCESS; 554488eea45cSKlaus Jensen } 554588eea45cSKlaus Jensen 55463bcf26d3SKlaus Jensen static void nvme_format_bh(void *opaque) 554788eea45cSKlaus Jensen { 55483bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = opaque; 55493bcf26d3SKlaus Jensen NvmeRequest *req = iocb->req; 55503bcf26d3SKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 555188eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 555288eea45cSKlaus Jensen uint8_t lbaf = dw10 & 0xf; 555388eea45cSKlaus Jensen uint8_t pi = (dw10 >> 5) & 0x7; 555488eea45cSKlaus Jensen uint16_t status; 555588eea45cSKlaus Jensen int i; 555688eea45cSKlaus Jensen 55573bcf26d3SKlaus Jensen if (iocb->ret < 0) { 55583bcf26d3SKlaus Jensen goto done; 555988eea45cSKlaus Jensen } 556088eea45cSKlaus Jensen 55613bcf26d3SKlaus Jensen if (iocb->broadcast) { 55623bcf26d3SKlaus Jensen for (i = iocb->nsid + 1; i <= NVME_MAX_NAMESPACES; i++) { 55633bcf26d3SKlaus Jensen iocb->ns = nvme_ns(n, i); 55643bcf26d3SKlaus Jensen if (iocb->ns) { 55653bcf26d3SKlaus Jensen iocb->nsid = i; 556688eea45cSKlaus Jensen break; 556788eea45cSKlaus Jensen } 556888eea45cSKlaus Jensen } 556988eea45cSKlaus Jensen } 557088eea45cSKlaus Jensen 55713bcf26d3SKlaus Jensen if (!iocb->ns) { 55723bcf26d3SKlaus Jensen goto done; 557388eea45cSKlaus Jensen } 557488eea45cSKlaus Jensen 55753bcf26d3SKlaus Jensen status = nvme_format_check(iocb->ns, lbaf, pi); 55763bcf26d3SKlaus Jensen if (status) { 55773bcf26d3SKlaus Jensen req->status = status; 55783bcf26d3SKlaus Jensen goto done; 55793bcf26d3SKlaus Jensen } 55803bcf26d3SKlaus Jensen 55813bcf26d3SKlaus Jensen iocb->ns->status = NVME_FORMAT_IN_PROGRESS; 55823bcf26d3SKlaus Jensen nvme_format_ns_cb(iocb, 0); 55833bcf26d3SKlaus Jensen return; 55843bcf26d3SKlaus Jensen 55853bcf26d3SKlaus Jensen done: 55863bcf26d3SKlaus Jensen qemu_bh_delete(iocb->bh); 55873bcf26d3SKlaus Jensen iocb->bh = NULL; 55883bcf26d3SKlaus Jensen 55893bcf26d3SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 55903bcf26d3SKlaus Jensen 55913bcf26d3SKlaus Jensen qemu_aio_unref(iocb); 55923bcf26d3SKlaus Jensen } 55933bcf26d3SKlaus Jensen 55943bcf26d3SKlaus Jensen static uint16_t nvme_format(NvmeCtrl *n, NvmeRequest *req) 55953bcf26d3SKlaus Jensen { 55963bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb; 55973bcf26d3SKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 55983bcf26d3SKlaus Jensen uint16_t status; 55993bcf26d3SKlaus Jensen 56003bcf26d3SKlaus Jensen iocb = qemu_aio_get(&nvme_format_aiocb_info, NULL, nvme_misc_cb, req); 56013bcf26d3SKlaus Jensen 56023bcf26d3SKlaus Jensen iocb->req = req; 56033bcf26d3SKlaus Jensen iocb->bh = qemu_bh_new(nvme_format_bh, iocb); 56043bcf26d3SKlaus Jensen iocb->ret = 0; 56053bcf26d3SKlaus Jensen iocb->ns = NULL; 56063bcf26d3SKlaus Jensen iocb->nsid = 0; 56073bcf26d3SKlaus Jensen iocb->broadcast = (nsid == NVME_NSID_BROADCAST); 56083bcf26d3SKlaus Jensen iocb->offset = 0; 56093bcf26d3SKlaus Jensen 56103bcf26d3SKlaus Jensen if (!iocb->broadcast) { 56113bcf26d3SKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 56123bcf26d3SKlaus Jensen status = NVME_INVALID_NSID | NVME_DNR; 56133bcf26d3SKlaus Jensen goto out; 56143bcf26d3SKlaus Jensen } 56153bcf26d3SKlaus Jensen 56163bcf26d3SKlaus Jensen iocb->ns = nvme_ns(n, nsid); 56173bcf26d3SKlaus Jensen if (!iocb->ns) { 56183bcf26d3SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 56193bcf26d3SKlaus Jensen goto out; 56203bcf26d3SKlaus Jensen } 56213bcf26d3SKlaus Jensen } 56223bcf26d3SKlaus Jensen 56233bcf26d3SKlaus Jensen req->aiocb = &iocb->common; 56243bcf26d3SKlaus Jensen qemu_bh_schedule(iocb->bh); 56253bcf26d3SKlaus Jensen 56263bcf26d3SKlaus Jensen return NVME_NO_COMPLETE; 56273bcf26d3SKlaus Jensen 56283bcf26d3SKlaus Jensen out: 56293bcf26d3SKlaus Jensen qemu_bh_delete(iocb->bh); 56303bcf26d3SKlaus Jensen iocb->bh = NULL; 56313bcf26d3SKlaus Jensen qemu_aio_unref(iocb); 56323bcf26d3SKlaus Jensen return status; 563388eea45cSKlaus Jensen } 563488eea45cSKlaus Jensen 563588eea45cSKlaus Jensen static uint16_t nvme_admin_cmd(NvmeCtrl *n, NvmeRequest *req) 563688eea45cSKlaus Jensen { 563788eea45cSKlaus Jensen trace_pci_nvme_admin_cmd(nvme_cid(req), nvme_sqid(req), req->cmd.opcode, 563888eea45cSKlaus Jensen nvme_adm_opc_str(req->cmd.opcode)); 563988eea45cSKlaus Jensen 564088eea45cSKlaus Jensen if (!(nvme_cse_acs[req->cmd.opcode] & NVME_CMD_EFF_CSUPP)) { 564188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_admin_opc(req->cmd.opcode); 564288eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 564388eea45cSKlaus Jensen } 564488eea45cSKlaus Jensen 564588eea45cSKlaus Jensen /* SGLs shall not be used for Admin commands in NVMe over PCIe */ 564688eea45cSKlaus Jensen if (NVME_CMD_FLAGS_PSDT(req->cmd.flags) != NVME_PSDT_PRP) { 564788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 564888eea45cSKlaus Jensen } 564988eea45cSKlaus Jensen 5650c53a9a91SPankaj Raghav if (NVME_CMD_FLAGS_FUSE(req->cmd.flags)) { 5651c53a9a91SPankaj Raghav return NVME_INVALID_FIELD; 5652c53a9a91SPankaj Raghav } 5653c53a9a91SPankaj Raghav 565488eea45cSKlaus Jensen switch (req->cmd.opcode) { 565588eea45cSKlaus Jensen case NVME_ADM_CMD_DELETE_SQ: 565688eea45cSKlaus Jensen return nvme_del_sq(n, req); 565788eea45cSKlaus Jensen case NVME_ADM_CMD_CREATE_SQ: 565888eea45cSKlaus Jensen return nvme_create_sq(n, req); 565988eea45cSKlaus Jensen case NVME_ADM_CMD_GET_LOG_PAGE: 566088eea45cSKlaus Jensen return nvme_get_log(n, req); 566188eea45cSKlaus Jensen case NVME_ADM_CMD_DELETE_CQ: 566288eea45cSKlaus Jensen return nvme_del_cq(n, req); 566388eea45cSKlaus Jensen case NVME_ADM_CMD_CREATE_CQ: 566488eea45cSKlaus Jensen return nvme_create_cq(n, req); 566588eea45cSKlaus Jensen case NVME_ADM_CMD_IDENTIFY: 566688eea45cSKlaus Jensen return nvme_identify(n, req); 566788eea45cSKlaus Jensen case NVME_ADM_CMD_ABORT: 566888eea45cSKlaus Jensen return nvme_abort(n, req); 566988eea45cSKlaus Jensen case NVME_ADM_CMD_SET_FEATURES: 567088eea45cSKlaus Jensen return nvme_set_feature(n, req); 567188eea45cSKlaus Jensen case NVME_ADM_CMD_GET_FEATURES: 567288eea45cSKlaus Jensen return nvme_get_feature(n, req); 567388eea45cSKlaus Jensen case NVME_ADM_CMD_ASYNC_EV_REQ: 567488eea45cSKlaus Jensen return nvme_aer(n, req); 567588eea45cSKlaus Jensen case NVME_ADM_CMD_NS_ATTACHMENT: 567688eea45cSKlaus Jensen return nvme_ns_attachment(n, req); 567788eea45cSKlaus Jensen case NVME_ADM_CMD_FORMAT_NVM: 567888eea45cSKlaus Jensen return nvme_format(n, req); 567988eea45cSKlaus Jensen default: 568088eea45cSKlaus Jensen assert(false); 568188eea45cSKlaus Jensen } 568288eea45cSKlaus Jensen 568388eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 568488eea45cSKlaus Jensen } 568588eea45cSKlaus Jensen 568688eea45cSKlaus Jensen static void nvme_process_sq(void *opaque) 568788eea45cSKlaus Jensen { 568888eea45cSKlaus Jensen NvmeSQueue *sq = opaque; 568988eea45cSKlaus Jensen NvmeCtrl *n = sq->ctrl; 569088eea45cSKlaus Jensen NvmeCQueue *cq = n->cq[sq->cqid]; 569188eea45cSKlaus Jensen 569288eea45cSKlaus Jensen uint16_t status; 569388eea45cSKlaus Jensen hwaddr addr; 569488eea45cSKlaus Jensen NvmeCmd cmd; 569588eea45cSKlaus Jensen NvmeRequest *req; 569688eea45cSKlaus Jensen 569788eea45cSKlaus Jensen while (!(nvme_sq_empty(sq) || QTAILQ_EMPTY(&sq->req_list))) { 569888eea45cSKlaus Jensen addr = sq->dma_addr + sq->head * n->sqe_size; 569988eea45cSKlaus Jensen if (nvme_addr_read(n, addr, (void *)&cmd, sizeof(cmd))) { 570088eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 570188eea45cSKlaus Jensen trace_pci_nvme_err_cfs(); 570249e03457SKlaus Jensen stl_le_p(&n->bar.csts, NVME_CSTS_FAILED); 570388eea45cSKlaus Jensen break; 570488eea45cSKlaus Jensen } 570588eea45cSKlaus Jensen nvme_inc_sq_head(sq); 570688eea45cSKlaus Jensen 570788eea45cSKlaus Jensen req = QTAILQ_FIRST(&sq->req_list); 570888eea45cSKlaus Jensen QTAILQ_REMOVE(&sq->req_list, req, entry); 570988eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->out_req_list, req, entry); 571088eea45cSKlaus Jensen nvme_req_clear(req); 571188eea45cSKlaus Jensen req->cqe.cid = cmd.cid; 571288eea45cSKlaus Jensen memcpy(&req->cmd, &cmd, sizeof(NvmeCmd)); 571388eea45cSKlaus Jensen 571488eea45cSKlaus Jensen status = sq->sqid ? nvme_io_cmd(n, req) : 571588eea45cSKlaus Jensen nvme_admin_cmd(n, req); 571688eea45cSKlaus Jensen if (status != NVME_NO_COMPLETE) { 571788eea45cSKlaus Jensen req->status = status; 571888eea45cSKlaus Jensen nvme_enqueue_req_completion(cq, req); 571988eea45cSKlaus Jensen } 572088eea45cSKlaus Jensen } 572188eea45cSKlaus Jensen } 572288eea45cSKlaus Jensen 572388eea45cSKlaus Jensen static void nvme_ctrl_reset(NvmeCtrl *n) 572488eea45cSKlaus Jensen { 572588eea45cSKlaus Jensen NvmeNamespace *ns; 572688eea45cSKlaus Jensen int i; 572788eea45cSKlaus Jensen 572888eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 572988eea45cSKlaus Jensen ns = nvme_ns(n, i); 573088eea45cSKlaus Jensen if (!ns) { 573188eea45cSKlaus Jensen continue; 573288eea45cSKlaus Jensen } 573388eea45cSKlaus Jensen 573488eea45cSKlaus Jensen nvme_ns_drain(ns); 573588eea45cSKlaus Jensen } 573688eea45cSKlaus Jensen 573788eea45cSKlaus Jensen for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 573888eea45cSKlaus Jensen if (n->sq[i] != NULL) { 573988eea45cSKlaus Jensen nvme_free_sq(n->sq[i], n); 574088eea45cSKlaus Jensen } 574188eea45cSKlaus Jensen } 574288eea45cSKlaus Jensen for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 574388eea45cSKlaus Jensen if (n->cq[i] != NULL) { 574488eea45cSKlaus Jensen nvme_free_cq(n->cq[i], n); 574588eea45cSKlaus Jensen } 574688eea45cSKlaus Jensen } 574788eea45cSKlaus Jensen 574888eea45cSKlaus Jensen while (!QTAILQ_EMPTY(&n->aer_queue)) { 574988eea45cSKlaus Jensen NvmeAsyncEvent *event = QTAILQ_FIRST(&n->aer_queue); 575088eea45cSKlaus Jensen QTAILQ_REMOVE(&n->aer_queue, event, entry); 575188eea45cSKlaus Jensen g_free(event); 575288eea45cSKlaus Jensen } 575388eea45cSKlaus Jensen 575488eea45cSKlaus Jensen n->aer_queued = 0; 575588eea45cSKlaus Jensen n->outstanding_aers = 0; 575688eea45cSKlaus Jensen n->qs_created = false; 575788eea45cSKlaus Jensen } 575888eea45cSKlaus Jensen 575988eea45cSKlaus Jensen static void nvme_ctrl_shutdown(NvmeCtrl *n) 576088eea45cSKlaus Jensen { 576188eea45cSKlaus Jensen NvmeNamespace *ns; 576288eea45cSKlaus Jensen int i; 576388eea45cSKlaus Jensen 576488eea45cSKlaus Jensen if (n->pmr.dev) { 576588eea45cSKlaus Jensen memory_region_msync(&n->pmr.dev->mr, 0, n->pmr.dev->size); 576688eea45cSKlaus Jensen } 576788eea45cSKlaus Jensen 576888eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 576988eea45cSKlaus Jensen ns = nvme_ns(n, i); 577088eea45cSKlaus Jensen if (!ns) { 577188eea45cSKlaus Jensen continue; 577288eea45cSKlaus Jensen } 577388eea45cSKlaus Jensen 577488eea45cSKlaus Jensen nvme_ns_shutdown(ns); 577588eea45cSKlaus Jensen } 577688eea45cSKlaus Jensen } 577788eea45cSKlaus Jensen 577888eea45cSKlaus Jensen static void nvme_select_iocs(NvmeCtrl *n) 577988eea45cSKlaus Jensen { 578088eea45cSKlaus Jensen NvmeNamespace *ns; 578188eea45cSKlaus Jensen int i; 578288eea45cSKlaus Jensen 578388eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 578488eea45cSKlaus Jensen ns = nvme_ns(n, i); 578588eea45cSKlaus Jensen if (!ns) { 578688eea45cSKlaus Jensen continue; 578788eea45cSKlaus Jensen } 578888eea45cSKlaus Jensen 578988eea45cSKlaus Jensen nvme_select_iocs_ns(n, ns); 579088eea45cSKlaus Jensen } 579188eea45cSKlaus Jensen } 579288eea45cSKlaus Jensen 579388eea45cSKlaus Jensen static int nvme_start_ctrl(NvmeCtrl *n) 579488eea45cSKlaus Jensen { 579549e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 579649e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 579749e03457SKlaus Jensen uint32_t aqa = ldl_le_p(&n->bar.aqa); 579849e03457SKlaus Jensen uint64_t asq = ldq_le_p(&n->bar.asq); 579949e03457SKlaus Jensen uint64_t acq = ldq_le_p(&n->bar.acq); 580049e03457SKlaus Jensen uint32_t page_bits = NVME_CC_MPS(cc) + 12; 580188eea45cSKlaus Jensen uint32_t page_size = 1 << page_bits; 580288eea45cSKlaus Jensen 580388eea45cSKlaus Jensen if (unlikely(n->cq[0])) { 580488eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cq(); 580588eea45cSKlaus Jensen return -1; 580688eea45cSKlaus Jensen } 580788eea45cSKlaus Jensen if (unlikely(n->sq[0])) { 580888eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sq(); 580988eea45cSKlaus Jensen return -1; 581088eea45cSKlaus Jensen } 581149e03457SKlaus Jensen if (unlikely(asq & (page_size - 1))) { 581249e03457SKlaus Jensen trace_pci_nvme_err_startfail_asq_misaligned(asq); 581388eea45cSKlaus Jensen return -1; 581488eea45cSKlaus Jensen } 581549e03457SKlaus Jensen if (unlikely(acq & (page_size - 1))) { 581649e03457SKlaus Jensen trace_pci_nvme_err_startfail_acq_misaligned(acq); 581788eea45cSKlaus Jensen return -1; 581888eea45cSKlaus Jensen } 581949e03457SKlaus Jensen if (unlikely(!(NVME_CAP_CSS(cap) & (1 << NVME_CC_CSS(cc))))) { 582049e03457SKlaus Jensen trace_pci_nvme_err_startfail_css(NVME_CC_CSS(cc)); 582188eea45cSKlaus Jensen return -1; 582288eea45cSKlaus Jensen } 582349e03457SKlaus Jensen if (unlikely(NVME_CC_MPS(cc) < NVME_CAP_MPSMIN(cap))) { 582488eea45cSKlaus Jensen trace_pci_nvme_err_startfail_page_too_small( 582549e03457SKlaus Jensen NVME_CC_MPS(cc), 582649e03457SKlaus Jensen NVME_CAP_MPSMIN(cap)); 582788eea45cSKlaus Jensen return -1; 582888eea45cSKlaus Jensen } 582949e03457SKlaus Jensen if (unlikely(NVME_CC_MPS(cc) > 583049e03457SKlaus Jensen NVME_CAP_MPSMAX(cap))) { 583188eea45cSKlaus Jensen trace_pci_nvme_err_startfail_page_too_large( 583249e03457SKlaus Jensen NVME_CC_MPS(cc), 583349e03457SKlaus Jensen NVME_CAP_MPSMAX(cap)); 583488eea45cSKlaus Jensen return -1; 583588eea45cSKlaus Jensen } 583649e03457SKlaus Jensen if (unlikely(NVME_CC_IOCQES(cc) < 583788eea45cSKlaus Jensen NVME_CTRL_CQES_MIN(n->id_ctrl.cqes))) { 583888eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cqent_too_small( 583949e03457SKlaus Jensen NVME_CC_IOCQES(cc), 584049e03457SKlaus Jensen NVME_CTRL_CQES_MIN(cap)); 584188eea45cSKlaus Jensen return -1; 584288eea45cSKlaus Jensen } 584349e03457SKlaus Jensen if (unlikely(NVME_CC_IOCQES(cc) > 584488eea45cSKlaus Jensen NVME_CTRL_CQES_MAX(n->id_ctrl.cqes))) { 584588eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cqent_too_large( 584649e03457SKlaus Jensen NVME_CC_IOCQES(cc), 584749e03457SKlaus Jensen NVME_CTRL_CQES_MAX(cap)); 584888eea45cSKlaus Jensen return -1; 584988eea45cSKlaus Jensen } 585049e03457SKlaus Jensen if (unlikely(NVME_CC_IOSQES(cc) < 585188eea45cSKlaus Jensen NVME_CTRL_SQES_MIN(n->id_ctrl.sqes))) { 585288eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sqent_too_small( 585349e03457SKlaus Jensen NVME_CC_IOSQES(cc), 585449e03457SKlaus Jensen NVME_CTRL_SQES_MIN(cap)); 585588eea45cSKlaus Jensen return -1; 585688eea45cSKlaus Jensen } 585749e03457SKlaus Jensen if (unlikely(NVME_CC_IOSQES(cc) > 585888eea45cSKlaus Jensen NVME_CTRL_SQES_MAX(n->id_ctrl.sqes))) { 585988eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sqent_too_large( 586049e03457SKlaus Jensen NVME_CC_IOSQES(cc), 586149e03457SKlaus Jensen NVME_CTRL_SQES_MAX(cap)); 586288eea45cSKlaus Jensen return -1; 586388eea45cSKlaus Jensen } 586449e03457SKlaus Jensen if (unlikely(!NVME_AQA_ASQS(aqa))) { 586588eea45cSKlaus Jensen trace_pci_nvme_err_startfail_asqent_sz_zero(); 586688eea45cSKlaus Jensen return -1; 586788eea45cSKlaus Jensen } 586849e03457SKlaus Jensen if (unlikely(!NVME_AQA_ACQS(aqa))) { 586988eea45cSKlaus Jensen trace_pci_nvme_err_startfail_acqent_sz_zero(); 587088eea45cSKlaus Jensen return -1; 587188eea45cSKlaus Jensen } 587288eea45cSKlaus Jensen 587388eea45cSKlaus Jensen n->page_bits = page_bits; 587488eea45cSKlaus Jensen n->page_size = page_size; 587588eea45cSKlaus Jensen n->max_prp_ents = n->page_size / sizeof(uint64_t); 587649e03457SKlaus Jensen n->cqe_size = 1 << NVME_CC_IOCQES(cc); 587749e03457SKlaus Jensen n->sqe_size = 1 << NVME_CC_IOSQES(cc); 587849e03457SKlaus Jensen nvme_init_cq(&n->admin_cq, n, acq, 0, 0, NVME_AQA_ACQS(aqa) + 1, 1); 587949e03457SKlaus Jensen nvme_init_sq(&n->admin_sq, n, asq, 0, 0, NVME_AQA_ASQS(aqa) + 1); 588088eea45cSKlaus Jensen 588188eea45cSKlaus Jensen nvme_set_timestamp(n, 0ULL); 588288eea45cSKlaus Jensen 588388eea45cSKlaus Jensen QTAILQ_INIT(&n->aer_queue); 588488eea45cSKlaus Jensen 588588eea45cSKlaus Jensen nvme_select_iocs(n); 588688eea45cSKlaus Jensen 588788eea45cSKlaus Jensen return 0; 588888eea45cSKlaus Jensen } 588988eea45cSKlaus Jensen 589088eea45cSKlaus Jensen static void nvme_cmb_enable_regs(NvmeCtrl *n) 589188eea45cSKlaus Jensen { 589249e03457SKlaus Jensen uint32_t cmbloc = ldl_le_p(&n->bar.cmbloc); 589349e03457SKlaus Jensen uint32_t cmbsz = ldl_le_p(&n->bar.cmbsz); 589488eea45cSKlaus Jensen 589549e03457SKlaus Jensen NVME_CMBLOC_SET_CDPCILS(cmbloc, 1); 589649e03457SKlaus Jensen NVME_CMBLOC_SET_CDPMLS(cmbloc, 1); 589749e03457SKlaus Jensen NVME_CMBLOC_SET_BIR(cmbloc, NVME_CMB_BIR); 589849e03457SKlaus Jensen stl_le_p(&n->bar.cmbloc, cmbloc); 589949e03457SKlaus Jensen 590049e03457SKlaus Jensen NVME_CMBSZ_SET_SQS(cmbsz, 1); 590149e03457SKlaus Jensen NVME_CMBSZ_SET_CQS(cmbsz, 0); 590249e03457SKlaus Jensen NVME_CMBSZ_SET_LISTS(cmbsz, 1); 590349e03457SKlaus Jensen NVME_CMBSZ_SET_RDS(cmbsz, 1); 590449e03457SKlaus Jensen NVME_CMBSZ_SET_WDS(cmbsz, 1); 590549e03457SKlaus Jensen NVME_CMBSZ_SET_SZU(cmbsz, 2); /* MBs */ 590649e03457SKlaus Jensen NVME_CMBSZ_SET_SZ(cmbsz, n->params.cmb_size_mb); 590749e03457SKlaus Jensen stl_le_p(&n->bar.cmbsz, cmbsz); 590888eea45cSKlaus Jensen } 590988eea45cSKlaus Jensen 591088eea45cSKlaus Jensen static void nvme_write_bar(NvmeCtrl *n, hwaddr offset, uint64_t data, 591188eea45cSKlaus Jensen unsigned size) 591288eea45cSKlaus Jensen { 591349e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 591449e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 591549e03457SKlaus Jensen uint32_t intms = ldl_le_p(&n->bar.intms); 591649e03457SKlaus Jensen uint32_t csts = ldl_le_p(&n->bar.csts); 591749e03457SKlaus Jensen uint32_t pmrsts = ldl_le_p(&n->bar.pmrsts); 591849e03457SKlaus Jensen 591988eea45cSKlaus Jensen if (unlikely(offset & (sizeof(uint32_t) - 1))) { 592088eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_misaligned32, 592188eea45cSKlaus Jensen "MMIO write not 32-bit aligned," 592288eea45cSKlaus Jensen " offset=0x%"PRIx64"", offset); 592388eea45cSKlaus Jensen /* should be ignored, fall through for now */ 592488eea45cSKlaus Jensen } 592588eea45cSKlaus Jensen 592688eea45cSKlaus Jensen if (unlikely(size < sizeof(uint32_t))) { 592788eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_toosmall, 592888eea45cSKlaus Jensen "MMIO write smaller than 32-bits," 592988eea45cSKlaus Jensen " offset=0x%"PRIx64", size=%u", 593088eea45cSKlaus Jensen offset, size); 593188eea45cSKlaus Jensen /* should be ignored, fall through for now */ 593288eea45cSKlaus Jensen } 593388eea45cSKlaus Jensen 593488eea45cSKlaus Jensen switch (offset) { 5935a316aa50SKlaus Jensen case NVME_REG_INTMS: 593688eea45cSKlaus Jensen if (unlikely(msix_enabled(&(n->parent_obj)))) { 593788eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_intmask_with_msix, 593888eea45cSKlaus Jensen "undefined access to interrupt mask set" 593988eea45cSKlaus Jensen " when MSI-X is enabled"); 594088eea45cSKlaus Jensen /* should be ignored, fall through for now */ 594188eea45cSKlaus Jensen } 594249e03457SKlaus Jensen intms |= data; 594349e03457SKlaus Jensen stl_le_p(&n->bar.intms, intms); 594488eea45cSKlaus Jensen n->bar.intmc = n->bar.intms; 594549e03457SKlaus Jensen trace_pci_nvme_mmio_intm_set(data & 0xffffffff, intms); 594688eea45cSKlaus Jensen nvme_irq_check(n); 594788eea45cSKlaus Jensen break; 5948a316aa50SKlaus Jensen case NVME_REG_INTMC: 594988eea45cSKlaus Jensen if (unlikely(msix_enabled(&(n->parent_obj)))) { 595088eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_intmask_with_msix, 595188eea45cSKlaus Jensen "undefined access to interrupt mask clr" 595288eea45cSKlaus Jensen " when MSI-X is enabled"); 595388eea45cSKlaus Jensen /* should be ignored, fall through for now */ 595488eea45cSKlaus Jensen } 595549e03457SKlaus Jensen intms &= ~data; 595649e03457SKlaus Jensen stl_le_p(&n->bar.intms, intms); 595788eea45cSKlaus Jensen n->bar.intmc = n->bar.intms; 595849e03457SKlaus Jensen trace_pci_nvme_mmio_intm_clr(data & 0xffffffff, intms); 595988eea45cSKlaus Jensen nvme_irq_check(n); 596088eea45cSKlaus Jensen break; 5961a316aa50SKlaus Jensen case NVME_REG_CC: 596288eea45cSKlaus Jensen trace_pci_nvme_mmio_cfg(data & 0xffffffff); 596349e03457SKlaus Jensen 596488eea45cSKlaus Jensen /* Windows first sends data, then sends enable bit */ 596549e03457SKlaus Jensen if (!NVME_CC_EN(data) && !NVME_CC_EN(cc) && 596649e03457SKlaus Jensen !NVME_CC_SHN(data) && !NVME_CC_SHN(cc)) 596788eea45cSKlaus Jensen { 596849e03457SKlaus Jensen cc = data; 596988eea45cSKlaus Jensen } 597088eea45cSKlaus Jensen 597149e03457SKlaus Jensen if (NVME_CC_EN(data) && !NVME_CC_EN(cc)) { 597249e03457SKlaus Jensen cc = data; 597349e03457SKlaus Jensen 597449e03457SKlaus Jensen /* flush CC since nvme_start_ctrl() needs the value */ 597549e03457SKlaus Jensen stl_le_p(&n->bar.cc, cc); 597688eea45cSKlaus Jensen if (unlikely(nvme_start_ctrl(n))) { 597788eea45cSKlaus Jensen trace_pci_nvme_err_startfail(); 597849e03457SKlaus Jensen csts = NVME_CSTS_FAILED; 597988eea45cSKlaus Jensen } else { 598088eea45cSKlaus Jensen trace_pci_nvme_mmio_start_success(); 598149e03457SKlaus Jensen csts = NVME_CSTS_READY; 598288eea45cSKlaus Jensen } 598349e03457SKlaus Jensen } else if (!NVME_CC_EN(data) && NVME_CC_EN(cc)) { 598488eea45cSKlaus Jensen trace_pci_nvme_mmio_stopped(); 598588eea45cSKlaus Jensen nvme_ctrl_reset(n); 598649e03457SKlaus Jensen cc = 0; 598749e03457SKlaus Jensen csts &= ~NVME_CSTS_READY; 598888eea45cSKlaus Jensen } 598949e03457SKlaus Jensen 599049e03457SKlaus Jensen if (NVME_CC_SHN(data) && !(NVME_CC_SHN(cc))) { 599188eea45cSKlaus Jensen trace_pci_nvme_mmio_shutdown_set(); 599288eea45cSKlaus Jensen nvme_ctrl_shutdown(n); 599349e03457SKlaus Jensen cc = data; 599449e03457SKlaus Jensen csts |= NVME_CSTS_SHST_COMPLETE; 599549e03457SKlaus Jensen } else if (!NVME_CC_SHN(data) && NVME_CC_SHN(cc)) { 599688eea45cSKlaus Jensen trace_pci_nvme_mmio_shutdown_cleared(); 599749e03457SKlaus Jensen csts &= ~NVME_CSTS_SHST_COMPLETE; 599849e03457SKlaus Jensen cc = data; 599988eea45cSKlaus Jensen } 600049e03457SKlaus Jensen 600149e03457SKlaus Jensen stl_le_p(&n->bar.cc, cc); 600249e03457SKlaus Jensen stl_le_p(&n->bar.csts, csts); 600349e03457SKlaus Jensen 600488eea45cSKlaus Jensen break; 6005a316aa50SKlaus Jensen case NVME_REG_CSTS: 600688eea45cSKlaus Jensen if (data & (1 << 4)) { 600788eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_ssreset_w1c_unsupported, 600888eea45cSKlaus Jensen "attempted to W1C CSTS.NSSRO" 600988eea45cSKlaus Jensen " but CAP.NSSRS is zero (not supported)"); 601088eea45cSKlaus Jensen } else if (data != 0) { 601188eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_ro_csts, 601288eea45cSKlaus Jensen "attempted to set a read only bit" 601388eea45cSKlaus Jensen " of controller status"); 601488eea45cSKlaus Jensen } 601588eea45cSKlaus Jensen break; 6016a316aa50SKlaus Jensen case NVME_REG_NSSR: 601788eea45cSKlaus Jensen if (data == 0x4e564d65) { 601888eea45cSKlaus Jensen trace_pci_nvme_ub_mmiowr_ssreset_unsupported(); 601988eea45cSKlaus Jensen } else { 602088eea45cSKlaus Jensen /* The spec says that writes of other values have no effect */ 602188eea45cSKlaus Jensen return; 602288eea45cSKlaus Jensen } 602388eea45cSKlaus Jensen break; 6024a316aa50SKlaus Jensen case NVME_REG_AQA: 602549e03457SKlaus Jensen stl_le_p(&n->bar.aqa, data); 602688eea45cSKlaus Jensen trace_pci_nvme_mmio_aqattr(data & 0xffffffff); 602788eea45cSKlaus Jensen break; 6028a316aa50SKlaus Jensen case NVME_REG_ASQ: 602949e03457SKlaus Jensen stn_le_p(&n->bar.asq, size, data); 603088eea45cSKlaus Jensen trace_pci_nvme_mmio_asqaddr(data); 603188eea45cSKlaus Jensen break; 6032a316aa50SKlaus Jensen case NVME_REG_ASQ + 4: 603349e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.asq + 4, data); 603449e03457SKlaus Jensen trace_pci_nvme_mmio_asqaddr_hi(data, ldq_le_p(&n->bar.asq)); 603588eea45cSKlaus Jensen break; 6036a316aa50SKlaus Jensen case NVME_REG_ACQ: 603788eea45cSKlaus Jensen trace_pci_nvme_mmio_acqaddr(data); 603849e03457SKlaus Jensen stn_le_p(&n->bar.acq, size, data); 603988eea45cSKlaus Jensen break; 6040a316aa50SKlaus Jensen case NVME_REG_ACQ + 4: 604149e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.acq + 4, data); 604249e03457SKlaus Jensen trace_pci_nvme_mmio_acqaddr_hi(data, ldq_le_p(&n->bar.acq)); 604388eea45cSKlaus Jensen break; 6044a316aa50SKlaus Jensen case NVME_REG_CMBLOC: 604588eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_cmbloc_reserved, 604688eea45cSKlaus Jensen "invalid write to reserved CMBLOC" 604788eea45cSKlaus Jensen " when CMBSZ is zero, ignored"); 604888eea45cSKlaus Jensen return; 6049a316aa50SKlaus Jensen case NVME_REG_CMBSZ: 605088eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_cmbsz_readonly, 605188eea45cSKlaus Jensen "invalid write to read only CMBSZ, ignored"); 605288eea45cSKlaus Jensen return; 6053a316aa50SKlaus Jensen case NVME_REG_CMBMSC: 605449e03457SKlaus Jensen if (!NVME_CAP_CMBS(cap)) { 605588eea45cSKlaus Jensen return; 605688eea45cSKlaus Jensen } 605788eea45cSKlaus Jensen 605849e03457SKlaus Jensen stn_le_p(&n->bar.cmbmsc, size, data); 605988eea45cSKlaus Jensen n->cmb.cmse = false; 606088eea45cSKlaus Jensen 606188eea45cSKlaus Jensen if (NVME_CMBMSC_CRE(data)) { 606288eea45cSKlaus Jensen nvme_cmb_enable_regs(n); 606388eea45cSKlaus Jensen 606488eea45cSKlaus Jensen if (NVME_CMBMSC_CMSE(data)) { 606549e03457SKlaus Jensen uint64_t cmbmsc = ldq_le_p(&n->bar.cmbmsc); 606649e03457SKlaus Jensen hwaddr cba = NVME_CMBMSC_CBA(cmbmsc) << CMBMSC_CBA_SHIFT; 606788eea45cSKlaus Jensen if (cba + int128_get64(n->cmb.mem.size) < cba) { 606849e03457SKlaus Jensen uint32_t cmbsts = ldl_le_p(&n->bar.cmbsts); 606949e03457SKlaus Jensen NVME_CMBSTS_SET_CBAI(cmbsts, 1); 607049e03457SKlaus Jensen stl_le_p(&n->bar.cmbsts, cmbsts); 607188eea45cSKlaus Jensen return; 607288eea45cSKlaus Jensen } 607388eea45cSKlaus Jensen 607488eea45cSKlaus Jensen n->cmb.cba = cba; 607588eea45cSKlaus Jensen n->cmb.cmse = true; 607688eea45cSKlaus Jensen } 607788eea45cSKlaus Jensen } else { 607888eea45cSKlaus Jensen n->bar.cmbsz = 0; 607988eea45cSKlaus Jensen n->bar.cmbloc = 0; 608088eea45cSKlaus Jensen } 608188eea45cSKlaus Jensen 608288eea45cSKlaus Jensen return; 6083a316aa50SKlaus Jensen case NVME_REG_CMBMSC + 4: 608449e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.cmbmsc + 4, data); 608588eea45cSKlaus Jensen return; 608688eea45cSKlaus Jensen 6087a316aa50SKlaus Jensen case NVME_REG_PMRCAP: 608888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrcap_readonly, 608988eea45cSKlaus Jensen "invalid write to PMRCAP register, ignored"); 609088eea45cSKlaus Jensen return; 6091a316aa50SKlaus Jensen case NVME_REG_PMRCTL: 609249e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 60932b02aabcSKlaus Jensen return; 60942b02aabcSKlaus Jensen } 60952b02aabcSKlaus Jensen 609649e03457SKlaus Jensen stl_le_p(&n->bar.pmrctl, data); 609788eea45cSKlaus Jensen if (NVME_PMRCTL_EN(data)) { 609888eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, true); 609949e03457SKlaus Jensen pmrsts = 0; 610088eea45cSKlaus Jensen } else { 610188eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, false); 610249e03457SKlaus Jensen NVME_PMRSTS_SET_NRDY(pmrsts, 1); 610388eea45cSKlaus Jensen n->pmr.cmse = false; 610488eea45cSKlaus Jensen } 610549e03457SKlaus Jensen stl_le_p(&n->bar.pmrsts, pmrsts); 610688eea45cSKlaus Jensen return; 6107a316aa50SKlaus Jensen case NVME_REG_PMRSTS: 610888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrsts_readonly, 610988eea45cSKlaus Jensen "invalid write to PMRSTS register, ignored"); 611088eea45cSKlaus Jensen return; 6111a316aa50SKlaus Jensen case NVME_REG_PMREBS: 611288eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrebs_readonly, 611388eea45cSKlaus Jensen "invalid write to PMREBS register, ignored"); 611488eea45cSKlaus Jensen return; 6115a316aa50SKlaus Jensen case NVME_REG_PMRSWTP: 611688eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrswtp_readonly, 611788eea45cSKlaus Jensen "invalid write to PMRSWTP register, ignored"); 611888eea45cSKlaus Jensen return; 6119a316aa50SKlaus Jensen case NVME_REG_PMRMSCL: 612049e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 612188eea45cSKlaus Jensen return; 612288eea45cSKlaus Jensen } 612388eea45cSKlaus Jensen 612449e03457SKlaus Jensen stl_le_p(&n->bar.pmrmscl, data); 612588eea45cSKlaus Jensen n->pmr.cmse = false; 612688eea45cSKlaus Jensen 612749e03457SKlaus Jensen if (NVME_PMRMSCL_CMSE(data)) { 612849e03457SKlaus Jensen uint64_t pmrmscu = ldl_le_p(&n->bar.pmrmscu); 612949e03457SKlaus Jensen hwaddr cba = pmrmscu << 32 | 613049e03457SKlaus Jensen (NVME_PMRMSCL_CBA(data) << PMRMSCL_CBA_SHIFT); 613188eea45cSKlaus Jensen if (cba + int128_get64(n->pmr.dev->mr.size) < cba) { 613249e03457SKlaus Jensen NVME_PMRSTS_SET_CBAI(pmrsts, 1); 613349e03457SKlaus Jensen stl_le_p(&n->bar.pmrsts, pmrsts); 613488eea45cSKlaus Jensen return; 613588eea45cSKlaus Jensen } 613688eea45cSKlaus Jensen 613788eea45cSKlaus Jensen n->pmr.cmse = true; 613888eea45cSKlaus Jensen n->pmr.cba = cba; 613988eea45cSKlaus Jensen } 614088eea45cSKlaus Jensen 614188eea45cSKlaus Jensen return; 6142a316aa50SKlaus Jensen case NVME_REG_PMRMSCU: 614349e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 614488eea45cSKlaus Jensen return; 614588eea45cSKlaus Jensen } 614688eea45cSKlaus Jensen 614749e03457SKlaus Jensen stl_le_p(&n->bar.pmrmscu, data); 614888eea45cSKlaus Jensen return; 614988eea45cSKlaus Jensen default: 615088eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_invalid, 615188eea45cSKlaus Jensen "invalid MMIO write," 615288eea45cSKlaus Jensen " offset=0x%"PRIx64", data=%"PRIx64"", 615388eea45cSKlaus Jensen offset, data); 615488eea45cSKlaus Jensen break; 615588eea45cSKlaus Jensen } 615688eea45cSKlaus Jensen } 615788eea45cSKlaus Jensen 615888eea45cSKlaus Jensen static uint64_t nvme_mmio_read(void *opaque, hwaddr addr, unsigned size) 615988eea45cSKlaus Jensen { 616088eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 616188eea45cSKlaus Jensen uint8_t *ptr = (uint8_t *)&n->bar; 616288eea45cSKlaus Jensen 616388eea45cSKlaus Jensen trace_pci_nvme_mmio_read(addr, size); 616488eea45cSKlaus Jensen 616588eea45cSKlaus Jensen if (unlikely(addr & (sizeof(uint32_t) - 1))) { 616688eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_misaligned32, 616788eea45cSKlaus Jensen "MMIO read not 32-bit aligned," 616888eea45cSKlaus Jensen " offset=0x%"PRIx64"", addr); 616988eea45cSKlaus Jensen /* should RAZ, fall through for now */ 617088eea45cSKlaus Jensen } else if (unlikely(size < sizeof(uint32_t))) { 617188eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_toosmall, 617288eea45cSKlaus Jensen "MMIO read smaller than 32-bits," 617388eea45cSKlaus Jensen " offset=0x%"PRIx64"", addr); 617488eea45cSKlaus Jensen /* should RAZ, fall through for now */ 617588eea45cSKlaus Jensen } 617688eea45cSKlaus Jensen 61775029de44SKlaus Jensen if (addr > sizeof(n->bar) - size) { 61785029de44SKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_invalid_ofs, 61795029de44SKlaus Jensen "MMIO read beyond last register," 61805029de44SKlaus Jensen " offset=0x%"PRIx64", returning 0", addr); 61815029de44SKlaus Jensen 61825029de44SKlaus Jensen return 0; 61835029de44SKlaus Jensen } 61845029de44SKlaus Jensen 618588eea45cSKlaus Jensen /* 618688eea45cSKlaus Jensen * When PMRWBM bit 1 is set then read from 618788eea45cSKlaus Jensen * from PMRSTS should ensure prior writes 618888eea45cSKlaus Jensen * made it to persistent media 618988eea45cSKlaus Jensen */ 6190a316aa50SKlaus Jensen if (addr == NVME_REG_PMRSTS && 619149e03457SKlaus Jensen (NVME_PMRCAP_PMRWBM(ldl_le_p(&n->bar.pmrcap)) & 0x02)) { 619288eea45cSKlaus Jensen memory_region_msync(&n->pmr.dev->mr, 0, n->pmr.dev->size); 619388eea45cSKlaus Jensen } 61945029de44SKlaus Jensen 619549e03457SKlaus Jensen return ldn_le_p(ptr + addr, size); 619688eea45cSKlaus Jensen } 619788eea45cSKlaus Jensen 619888eea45cSKlaus Jensen static void nvme_process_db(NvmeCtrl *n, hwaddr addr, int val) 619988eea45cSKlaus Jensen { 620088eea45cSKlaus Jensen uint32_t qid; 620188eea45cSKlaus Jensen 620288eea45cSKlaus Jensen if (unlikely(addr & ((1 << 2) - 1))) { 620388eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_misaligned, 620488eea45cSKlaus Jensen "doorbell write not 32-bit aligned," 620588eea45cSKlaus Jensen " offset=0x%"PRIx64", ignoring", addr); 620688eea45cSKlaus Jensen return; 620788eea45cSKlaus Jensen } 620888eea45cSKlaus Jensen 620988eea45cSKlaus Jensen if (((addr - 0x1000) >> 2) & 1) { 621088eea45cSKlaus Jensen /* Completion queue doorbell write */ 621188eea45cSKlaus Jensen 621288eea45cSKlaus Jensen uint16_t new_head = val & 0xffff; 621388eea45cSKlaus Jensen int start_sqs; 621488eea45cSKlaus Jensen NvmeCQueue *cq; 621588eea45cSKlaus Jensen 621688eea45cSKlaus Jensen qid = (addr - (0x1000 + (1 << 2))) >> 3; 621788eea45cSKlaus Jensen if (unlikely(nvme_check_cqid(n, qid))) { 621888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_cq, 621988eea45cSKlaus Jensen "completion queue doorbell write" 622088eea45cSKlaus Jensen " for nonexistent queue," 622188eea45cSKlaus Jensen " sqid=%"PRIu32", ignoring", qid); 622288eea45cSKlaus Jensen 622388eea45cSKlaus Jensen /* 622488eea45cSKlaus Jensen * NVM Express v1.3d, Section 4.1 state: "If host software writes 622588eea45cSKlaus Jensen * an invalid value to the Submission Queue Tail Doorbell or 622688eea45cSKlaus Jensen * Completion Queue Head Doorbell regiter and an Asynchronous Event 622788eea45cSKlaus Jensen * Request command is outstanding, then an asynchronous event is 622888eea45cSKlaus Jensen * posted to the Admin Completion Queue with a status code of 622988eea45cSKlaus Jensen * Invalid Doorbell Write Value." 623088eea45cSKlaus Jensen * 623188eea45cSKlaus Jensen * Also note that the spec includes the "Invalid Doorbell Register" 623288eea45cSKlaus Jensen * status code, but nowhere does it specify when to use it. 623388eea45cSKlaus Jensen * However, it seems reasonable to use it here in a similar 623488eea45cSKlaus Jensen * fashion. 623588eea45cSKlaus Jensen */ 623688eea45cSKlaus Jensen if (n->outstanding_aers) { 623788eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 623888eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_REGISTER, 623988eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 624088eea45cSKlaus Jensen } 624188eea45cSKlaus Jensen 624288eea45cSKlaus Jensen return; 624388eea45cSKlaus Jensen } 624488eea45cSKlaus Jensen 624588eea45cSKlaus Jensen cq = n->cq[qid]; 624688eea45cSKlaus Jensen if (unlikely(new_head >= cq->size)) { 624788eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_cqhead, 624888eea45cSKlaus Jensen "completion queue doorbell write value" 624988eea45cSKlaus Jensen " beyond queue size, sqid=%"PRIu32"," 625088eea45cSKlaus Jensen " new_head=%"PRIu16", ignoring", 625188eea45cSKlaus Jensen qid, new_head); 625288eea45cSKlaus Jensen 625388eea45cSKlaus Jensen if (n->outstanding_aers) { 625488eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 625588eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_VALUE, 625688eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 625788eea45cSKlaus Jensen } 625888eea45cSKlaus Jensen 625988eea45cSKlaus Jensen return; 626088eea45cSKlaus Jensen } 626188eea45cSKlaus Jensen 626288eea45cSKlaus Jensen trace_pci_nvme_mmio_doorbell_cq(cq->cqid, new_head); 626388eea45cSKlaus Jensen 626488eea45cSKlaus Jensen start_sqs = nvme_cq_full(cq) ? 1 : 0; 626588eea45cSKlaus Jensen cq->head = new_head; 626688eea45cSKlaus Jensen if (start_sqs) { 626788eea45cSKlaus Jensen NvmeSQueue *sq; 626888eea45cSKlaus Jensen QTAILQ_FOREACH(sq, &cq->sq_list, entry) { 626988eea45cSKlaus Jensen timer_mod(sq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); 627088eea45cSKlaus Jensen } 627188eea45cSKlaus Jensen timer_mod(cq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); 627288eea45cSKlaus Jensen } 627388eea45cSKlaus Jensen 627488eea45cSKlaus Jensen if (cq->tail == cq->head) { 627583d7ed5cSKlaus Jensen if (cq->irq_enabled) { 627683d7ed5cSKlaus Jensen n->cq_pending--; 627783d7ed5cSKlaus Jensen } 627883d7ed5cSKlaus Jensen 627988eea45cSKlaus Jensen nvme_irq_deassert(n, cq); 628088eea45cSKlaus Jensen } 628188eea45cSKlaus Jensen } else { 628288eea45cSKlaus Jensen /* Submission queue doorbell write */ 628388eea45cSKlaus Jensen 628488eea45cSKlaus Jensen uint16_t new_tail = val & 0xffff; 628588eea45cSKlaus Jensen NvmeSQueue *sq; 628688eea45cSKlaus Jensen 628788eea45cSKlaus Jensen qid = (addr - 0x1000) >> 3; 628888eea45cSKlaus Jensen if (unlikely(nvme_check_sqid(n, qid))) { 628988eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_sq, 629088eea45cSKlaus Jensen "submission queue doorbell write" 629188eea45cSKlaus Jensen " for nonexistent queue," 629288eea45cSKlaus Jensen " sqid=%"PRIu32", ignoring", qid); 629388eea45cSKlaus Jensen 629488eea45cSKlaus Jensen if (n->outstanding_aers) { 629588eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 629688eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_REGISTER, 629788eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 629888eea45cSKlaus Jensen } 629988eea45cSKlaus Jensen 630088eea45cSKlaus Jensen return; 630188eea45cSKlaus Jensen } 630288eea45cSKlaus Jensen 630388eea45cSKlaus Jensen sq = n->sq[qid]; 630488eea45cSKlaus Jensen if (unlikely(new_tail >= sq->size)) { 630588eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_sqtail, 630688eea45cSKlaus Jensen "submission queue doorbell write value" 630788eea45cSKlaus Jensen " beyond queue size, sqid=%"PRIu32"," 630888eea45cSKlaus Jensen " new_tail=%"PRIu16", ignoring", 630988eea45cSKlaus Jensen qid, new_tail); 631088eea45cSKlaus Jensen 631188eea45cSKlaus Jensen if (n->outstanding_aers) { 631288eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 631388eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_VALUE, 631488eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 631588eea45cSKlaus Jensen } 631688eea45cSKlaus Jensen 631788eea45cSKlaus Jensen return; 631888eea45cSKlaus Jensen } 631988eea45cSKlaus Jensen 632088eea45cSKlaus Jensen trace_pci_nvme_mmio_doorbell_sq(sq->sqid, new_tail); 632188eea45cSKlaus Jensen 632288eea45cSKlaus Jensen sq->tail = new_tail; 632388eea45cSKlaus Jensen timer_mod(sq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); 632488eea45cSKlaus Jensen } 632588eea45cSKlaus Jensen } 632688eea45cSKlaus Jensen 632788eea45cSKlaus Jensen static void nvme_mmio_write(void *opaque, hwaddr addr, uint64_t data, 632888eea45cSKlaus Jensen unsigned size) 632988eea45cSKlaus Jensen { 633088eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 633188eea45cSKlaus Jensen 633288eea45cSKlaus Jensen trace_pci_nvme_mmio_write(addr, data, size); 633388eea45cSKlaus Jensen 633488eea45cSKlaus Jensen if (addr < sizeof(n->bar)) { 633588eea45cSKlaus Jensen nvme_write_bar(n, addr, data, size); 633688eea45cSKlaus Jensen } else { 633788eea45cSKlaus Jensen nvme_process_db(n, addr, data); 633888eea45cSKlaus Jensen } 633988eea45cSKlaus Jensen } 634088eea45cSKlaus Jensen 634188eea45cSKlaus Jensen static const MemoryRegionOps nvme_mmio_ops = { 634288eea45cSKlaus Jensen .read = nvme_mmio_read, 634388eea45cSKlaus Jensen .write = nvme_mmio_write, 634488eea45cSKlaus Jensen .endianness = DEVICE_LITTLE_ENDIAN, 634588eea45cSKlaus Jensen .impl = { 634688eea45cSKlaus Jensen .min_access_size = 2, 634788eea45cSKlaus Jensen .max_access_size = 8, 634888eea45cSKlaus Jensen }, 634988eea45cSKlaus Jensen }; 635088eea45cSKlaus Jensen 635188eea45cSKlaus Jensen static void nvme_cmb_write(void *opaque, hwaddr addr, uint64_t data, 635288eea45cSKlaus Jensen unsigned size) 635388eea45cSKlaus Jensen { 635488eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 635588eea45cSKlaus Jensen stn_le_p(&n->cmb.buf[addr], size, data); 635688eea45cSKlaus Jensen } 635788eea45cSKlaus Jensen 635888eea45cSKlaus Jensen static uint64_t nvme_cmb_read(void *opaque, hwaddr addr, unsigned size) 635988eea45cSKlaus Jensen { 636088eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 636188eea45cSKlaus Jensen return ldn_le_p(&n->cmb.buf[addr], size); 636288eea45cSKlaus Jensen } 636388eea45cSKlaus Jensen 636488eea45cSKlaus Jensen static const MemoryRegionOps nvme_cmb_ops = { 636588eea45cSKlaus Jensen .read = nvme_cmb_read, 636688eea45cSKlaus Jensen .write = nvme_cmb_write, 636788eea45cSKlaus Jensen .endianness = DEVICE_LITTLE_ENDIAN, 636888eea45cSKlaus Jensen .impl = { 636988eea45cSKlaus Jensen .min_access_size = 1, 637088eea45cSKlaus Jensen .max_access_size = 8, 637188eea45cSKlaus Jensen }, 637288eea45cSKlaus Jensen }; 637388eea45cSKlaus Jensen 637488eea45cSKlaus Jensen static void nvme_check_constraints(NvmeCtrl *n, Error **errp) 637588eea45cSKlaus Jensen { 637688eea45cSKlaus Jensen NvmeParams *params = &n->params; 637788eea45cSKlaus Jensen 637888eea45cSKlaus Jensen if (params->num_queues) { 637988eea45cSKlaus Jensen warn_report("num_queues is deprecated; please use max_ioqpairs " 638088eea45cSKlaus Jensen "instead"); 638188eea45cSKlaus Jensen 638288eea45cSKlaus Jensen params->max_ioqpairs = params->num_queues - 1; 638388eea45cSKlaus Jensen } 638488eea45cSKlaus Jensen 638588eea45cSKlaus Jensen if (n->namespace.blkconf.blk && n->subsys) { 638688eea45cSKlaus Jensen error_setg(errp, "subsystem support is unavailable with legacy " 638788eea45cSKlaus Jensen "namespace ('drive' property)"); 638888eea45cSKlaus Jensen return; 638988eea45cSKlaus Jensen } 639088eea45cSKlaus Jensen 639188eea45cSKlaus Jensen if (params->max_ioqpairs < 1 || 639288eea45cSKlaus Jensen params->max_ioqpairs > NVME_MAX_IOQPAIRS) { 639388eea45cSKlaus Jensen error_setg(errp, "max_ioqpairs must be between 1 and %d", 639488eea45cSKlaus Jensen NVME_MAX_IOQPAIRS); 639588eea45cSKlaus Jensen return; 639688eea45cSKlaus Jensen } 639788eea45cSKlaus Jensen 639888eea45cSKlaus Jensen if (params->msix_qsize < 1 || 639988eea45cSKlaus Jensen params->msix_qsize > PCI_MSIX_FLAGS_QSIZE + 1) { 640088eea45cSKlaus Jensen error_setg(errp, "msix_qsize must be between 1 and %d", 640188eea45cSKlaus Jensen PCI_MSIX_FLAGS_QSIZE + 1); 640288eea45cSKlaus Jensen return; 640388eea45cSKlaus Jensen } 640488eea45cSKlaus Jensen 640588eea45cSKlaus Jensen if (!params->serial) { 640688eea45cSKlaus Jensen error_setg(errp, "serial property not set"); 640788eea45cSKlaus Jensen return; 640888eea45cSKlaus Jensen } 640988eea45cSKlaus Jensen 641088eea45cSKlaus Jensen if (n->pmr.dev) { 641188eea45cSKlaus Jensen if (host_memory_backend_is_mapped(n->pmr.dev)) { 641288eea45cSKlaus Jensen error_setg(errp, "can't use already busy memdev: %s", 641388eea45cSKlaus Jensen object_get_canonical_path_component(OBJECT(n->pmr.dev))); 641488eea45cSKlaus Jensen return; 641588eea45cSKlaus Jensen } 641688eea45cSKlaus Jensen 641788eea45cSKlaus Jensen if (!is_power_of_2(n->pmr.dev->size)) { 641888eea45cSKlaus Jensen error_setg(errp, "pmr backend size needs to be power of 2 in size"); 641988eea45cSKlaus Jensen return; 642088eea45cSKlaus Jensen } 642188eea45cSKlaus Jensen 642288eea45cSKlaus Jensen host_memory_backend_set_mapped(n->pmr.dev, true); 642388eea45cSKlaus Jensen } 642488eea45cSKlaus Jensen 642588eea45cSKlaus Jensen if (n->params.zasl > n->params.mdts) { 642688eea45cSKlaus Jensen error_setg(errp, "zoned.zasl (Zone Append Size Limit) must be less " 642788eea45cSKlaus Jensen "than or equal to mdts (Maximum Data Transfer Size)"); 642888eea45cSKlaus Jensen return; 642988eea45cSKlaus Jensen } 643088eea45cSKlaus Jensen 643188eea45cSKlaus Jensen if (!n->params.vsl) { 643288eea45cSKlaus Jensen error_setg(errp, "vsl must be non-zero"); 643388eea45cSKlaus Jensen return; 643488eea45cSKlaus Jensen } 643588eea45cSKlaus Jensen } 643688eea45cSKlaus Jensen 643788eea45cSKlaus Jensen static void nvme_init_state(NvmeCtrl *n) 643888eea45cSKlaus Jensen { 643988eea45cSKlaus Jensen /* add one to max_ioqpairs to account for the admin queue pair */ 644088eea45cSKlaus Jensen n->reg_size = pow2ceil(sizeof(NvmeBar) + 644188eea45cSKlaus Jensen 2 * (n->params.max_ioqpairs + 1) * NVME_DB_SIZE); 644288eea45cSKlaus Jensen n->sq = g_new0(NvmeSQueue *, n->params.max_ioqpairs + 1); 644388eea45cSKlaus Jensen n->cq = g_new0(NvmeCQueue *, n->params.max_ioqpairs + 1); 644488eea45cSKlaus Jensen n->temperature = NVME_TEMPERATURE; 644588eea45cSKlaus Jensen n->features.temp_thresh_hi = NVME_TEMPERATURE_WARNING; 644688eea45cSKlaus Jensen n->starttime_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 644788eea45cSKlaus Jensen n->aer_reqs = g_new0(NvmeRequest *, n->params.aerl + 1); 644888eea45cSKlaus Jensen } 644988eea45cSKlaus Jensen 645088eea45cSKlaus Jensen static void nvme_init_cmb(NvmeCtrl *n, PCIDevice *pci_dev) 645188eea45cSKlaus Jensen { 645288eea45cSKlaus Jensen uint64_t cmb_size = n->params.cmb_size_mb * MiB; 645349e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 645488eea45cSKlaus Jensen 645588eea45cSKlaus Jensen n->cmb.buf = g_malloc0(cmb_size); 645688eea45cSKlaus Jensen memory_region_init_io(&n->cmb.mem, OBJECT(n), &nvme_cmb_ops, n, 645788eea45cSKlaus Jensen "nvme-cmb", cmb_size); 645888eea45cSKlaus Jensen pci_register_bar(pci_dev, NVME_CMB_BIR, 645988eea45cSKlaus Jensen PCI_BASE_ADDRESS_SPACE_MEMORY | 646088eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64 | 646188eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_PREFETCH, &n->cmb.mem); 646288eea45cSKlaus Jensen 646349e03457SKlaus Jensen NVME_CAP_SET_CMBS(cap, 1); 646449e03457SKlaus Jensen stq_le_p(&n->bar.cap, cap); 646588eea45cSKlaus Jensen 646688eea45cSKlaus Jensen if (n->params.legacy_cmb) { 646788eea45cSKlaus Jensen nvme_cmb_enable_regs(n); 646888eea45cSKlaus Jensen n->cmb.cmse = true; 646988eea45cSKlaus Jensen } 647088eea45cSKlaus Jensen } 647188eea45cSKlaus Jensen 647288eea45cSKlaus Jensen static void nvme_init_pmr(NvmeCtrl *n, PCIDevice *pci_dev) 647388eea45cSKlaus Jensen { 647449e03457SKlaus Jensen uint32_t pmrcap = ldl_le_p(&n->bar.pmrcap); 647588eea45cSKlaus Jensen 647649e03457SKlaus Jensen NVME_PMRCAP_SET_RDS(pmrcap, 1); 647749e03457SKlaus Jensen NVME_PMRCAP_SET_WDS(pmrcap, 1); 647849e03457SKlaus Jensen NVME_PMRCAP_SET_BIR(pmrcap, NVME_PMR_BIR); 647949e03457SKlaus Jensen /* Turn on bit 1 support */ 648049e03457SKlaus Jensen NVME_PMRCAP_SET_PMRWBM(pmrcap, 0x02); 648149e03457SKlaus Jensen NVME_PMRCAP_SET_CMSS(pmrcap, 1); 648249e03457SKlaus Jensen stl_le_p(&n->bar.pmrcap, pmrcap); 648349e03457SKlaus Jensen 648449e03457SKlaus Jensen pci_register_bar(pci_dev, NVME_PMR_BIR, 648588eea45cSKlaus Jensen PCI_BASE_ADDRESS_SPACE_MEMORY | 648688eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64 | 648788eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_PREFETCH, &n->pmr.dev->mr); 648888eea45cSKlaus Jensen 648988eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, false); 649088eea45cSKlaus Jensen } 649188eea45cSKlaus Jensen 649288eea45cSKlaus Jensen static int nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev, Error **errp) 649388eea45cSKlaus Jensen { 649488eea45cSKlaus Jensen uint8_t *pci_conf = pci_dev->config; 649588eea45cSKlaus Jensen uint64_t bar_size, msix_table_size, msix_pba_size; 649688eea45cSKlaus Jensen unsigned msix_table_offset, msix_pba_offset; 649788eea45cSKlaus Jensen int ret; 649888eea45cSKlaus Jensen 649988eea45cSKlaus Jensen Error *err = NULL; 650088eea45cSKlaus Jensen 650188eea45cSKlaus Jensen pci_conf[PCI_INTERRUPT_PIN] = 1; 650288eea45cSKlaus Jensen pci_config_set_prog_interface(pci_conf, 0x2); 650388eea45cSKlaus Jensen 650488eea45cSKlaus Jensen if (n->params.use_intel_id) { 650588eea45cSKlaus Jensen pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL); 650688eea45cSKlaus Jensen pci_config_set_device_id(pci_conf, 0x5845); 650788eea45cSKlaus Jensen } else { 650888eea45cSKlaus Jensen pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_REDHAT); 650988eea45cSKlaus Jensen pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_REDHAT_NVME); 651088eea45cSKlaus Jensen } 651188eea45cSKlaus Jensen 651288eea45cSKlaus Jensen pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_EXPRESS); 651388eea45cSKlaus Jensen pcie_endpoint_cap_init(pci_dev, 0x80); 651488eea45cSKlaus Jensen 651588eea45cSKlaus Jensen bar_size = QEMU_ALIGN_UP(n->reg_size, 4 * KiB); 651688eea45cSKlaus Jensen msix_table_offset = bar_size; 651788eea45cSKlaus Jensen msix_table_size = PCI_MSIX_ENTRY_SIZE * n->params.msix_qsize; 651888eea45cSKlaus Jensen 651988eea45cSKlaus Jensen bar_size += msix_table_size; 652088eea45cSKlaus Jensen bar_size = QEMU_ALIGN_UP(bar_size, 4 * KiB); 652188eea45cSKlaus Jensen msix_pba_offset = bar_size; 652288eea45cSKlaus Jensen msix_pba_size = QEMU_ALIGN_UP(n->params.msix_qsize, 64) / 8; 652388eea45cSKlaus Jensen 652488eea45cSKlaus Jensen bar_size += msix_pba_size; 652588eea45cSKlaus Jensen bar_size = pow2ceil(bar_size); 652688eea45cSKlaus Jensen 652788eea45cSKlaus Jensen memory_region_init(&n->bar0, OBJECT(n), "nvme-bar0", bar_size); 652888eea45cSKlaus Jensen memory_region_init_io(&n->iomem, OBJECT(n), &nvme_mmio_ops, n, "nvme", 652988eea45cSKlaus Jensen n->reg_size); 653088eea45cSKlaus Jensen memory_region_add_subregion(&n->bar0, 0, &n->iomem); 653188eea45cSKlaus Jensen 653288eea45cSKlaus Jensen pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY | 653388eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64, &n->bar0); 653488eea45cSKlaus Jensen ret = msix_init(pci_dev, n->params.msix_qsize, 653588eea45cSKlaus Jensen &n->bar0, 0, msix_table_offset, 653688eea45cSKlaus Jensen &n->bar0, 0, msix_pba_offset, 0, &err); 653788eea45cSKlaus Jensen if (ret < 0) { 653888eea45cSKlaus Jensen if (ret == -ENOTSUP) { 653988eea45cSKlaus Jensen warn_report_err(err); 654088eea45cSKlaus Jensen } else { 654188eea45cSKlaus Jensen error_propagate(errp, err); 654288eea45cSKlaus Jensen return ret; 654388eea45cSKlaus Jensen } 654488eea45cSKlaus Jensen } 654588eea45cSKlaus Jensen 654688eea45cSKlaus Jensen if (n->params.cmb_size_mb) { 654788eea45cSKlaus Jensen nvme_init_cmb(n, pci_dev); 654888eea45cSKlaus Jensen } 654988eea45cSKlaus Jensen 655088eea45cSKlaus Jensen if (n->pmr.dev) { 655188eea45cSKlaus Jensen nvme_init_pmr(n, pci_dev); 655288eea45cSKlaus Jensen } 655388eea45cSKlaus Jensen 655488eea45cSKlaus Jensen return 0; 655588eea45cSKlaus Jensen } 655688eea45cSKlaus Jensen 655788eea45cSKlaus Jensen static void nvme_init_subnqn(NvmeCtrl *n) 655888eea45cSKlaus Jensen { 655988eea45cSKlaus Jensen NvmeSubsystem *subsys = n->subsys; 656088eea45cSKlaus Jensen NvmeIdCtrl *id = &n->id_ctrl; 656188eea45cSKlaus Jensen 656288eea45cSKlaus Jensen if (!subsys) { 656388eea45cSKlaus Jensen snprintf((char *)id->subnqn, sizeof(id->subnqn), 656488eea45cSKlaus Jensen "nqn.2019-08.org.qemu:%s", n->params.serial); 656588eea45cSKlaus Jensen } else { 656688eea45cSKlaus Jensen pstrcpy((char *)id->subnqn, sizeof(id->subnqn), (char*)subsys->subnqn); 656788eea45cSKlaus Jensen } 656888eea45cSKlaus Jensen } 656988eea45cSKlaus Jensen 657088eea45cSKlaus Jensen static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev) 657188eea45cSKlaus Jensen { 657288eea45cSKlaus Jensen NvmeIdCtrl *id = &n->id_ctrl; 657388eea45cSKlaus Jensen uint8_t *pci_conf = pci_dev->config; 657449e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 657588eea45cSKlaus Jensen 657688eea45cSKlaus Jensen id->vid = cpu_to_le16(pci_get_word(pci_conf + PCI_VENDOR_ID)); 657788eea45cSKlaus Jensen id->ssvid = cpu_to_le16(pci_get_word(pci_conf + PCI_SUBSYSTEM_VENDOR_ID)); 657888eea45cSKlaus Jensen strpadcpy((char *)id->mn, sizeof(id->mn), "QEMU NVMe Ctrl", ' '); 657988eea45cSKlaus Jensen strpadcpy((char *)id->fr, sizeof(id->fr), "1.0", ' '); 658088eea45cSKlaus Jensen strpadcpy((char *)id->sn, sizeof(id->sn), n->params.serial, ' '); 658188eea45cSKlaus Jensen 658288eea45cSKlaus Jensen id->cntlid = cpu_to_le16(n->cntlid); 658388eea45cSKlaus Jensen 658488eea45cSKlaus Jensen id->oaes = cpu_to_le32(NVME_OAES_NS_ATTR); 658588eea45cSKlaus Jensen 658688eea45cSKlaus Jensen id->rab = 6; 658788eea45cSKlaus Jensen 658888eea45cSKlaus Jensen if (n->params.use_intel_id) { 658988eea45cSKlaus Jensen id->ieee[0] = 0xb3; 659088eea45cSKlaus Jensen id->ieee[1] = 0x02; 659188eea45cSKlaus Jensen id->ieee[2] = 0x00; 659288eea45cSKlaus Jensen } else { 659388eea45cSKlaus Jensen id->ieee[0] = 0x00; 659488eea45cSKlaus Jensen id->ieee[1] = 0x54; 659588eea45cSKlaus Jensen id->ieee[2] = 0x52; 659688eea45cSKlaus Jensen } 659788eea45cSKlaus Jensen 659888eea45cSKlaus Jensen id->mdts = n->params.mdts; 659988eea45cSKlaus Jensen id->ver = cpu_to_le32(NVME_SPEC_VER); 660088eea45cSKlaus Jensen id->oacs = cpu_to_le16(NVME_OACS_NS_MGMT | NVME_OACS_FORMAT); 660188eea45cSKlaus Jensen id->cntrltype = 0x1; 660288eea45cSKlaus Jensen 660388eea45cSKlaus Jensen /* 660488eea45cSKlaus Jensen * Because the controller always completes the Abort command immediately, 660588eea45cSKlaus Jensen * there can never be more than one concurrently executing Abort command, 660688eea45cSKlaus Jensen * so this value is never used for anything. Note that there can easily be 660788eea45cSKlaus Jensen * many Abort commands in the queues, but they are not considered 660888eea45cSKlaus Jensen * "executing" until processed by nvme_abort. 660988eea45cSKlaus Jensen * 661088eea45cSKlaus Jensen * The specification recommends a value of 3 for Abort Command Limit (four 661188eea45cSKlaus Jensen * concurrently outstanding Abort commands), so lets use that though it is 661288eea45cSKlaus Jensen * inconsequential. 661388eea45cSKlaus Jensen */ 661488eea45cSKlaus Jensen id->acl = 3; 661588eea45cSKlaus Jensen id->aerl = n->params.aerl; 661688eea45cSKlaus Jensen id->frmw = (NVME_NUM_FW_SLOTS << 1) | NVME_FRMW_SLOT1_RO; 661788eea45cSKlaus Jensen id->lpa = NVME_LPA_NS_SMART | NVME_LPA_CSE | NVME_LPA_EXTENDED; 661888eea45cSKlaus Jensen 661988eea45cSKlaus Jensen /* recommended default value (~70 C) */ 662088eea45cSKlaus Jensen id->wctemp = cpu_to_le16(NVME_TEMPERATURE_WARNING); 662188eea45cSKlaus Jensen id->cctemp = cpu_to_le16(NVME_TEMPERATURE_CRITICAL); 662288eea45cSKlaus Jensen 662388eea45cSKlaus Jensen id->sqes = (0x6 << 4) | 0x6; 662488eea45cSKlaus Jensen id->cqes = (0x4 << 4) | 0x4; 662588eea45cSKlaus Jensen id->nn = cpu_to_le32(NVME_MAX_NAMESPACES); 662688eea45cSKlaus Jensen id->oncs = cpu_to_le16(NVME_ONCS_WRITE_ZEROES | NVME_ONCS_TIMESTAMP | 662788eea45cSKlaus Jensen NVME_ONCS_FEATURES | NVME_ONCS_DSM | 662888eea45cSKlaus Jensen NVME_ONCS_COMPARE | NVME_ONCS_COPY); 662988eea45cSKlaus Jensen 663088eea45cSKlaus Jensen /* 663188eea45cSKlaus Jensen * NOTE: If this device ever supports a command set that does NOT use 0x0 663288eea45cSKlaus Jensen * as a Flush-equivalent operation, support for the broadcast NSID in Flush 663388eea45cSKlaus Jensen * should probably be removed. 663488eea45cSKlaus Jensen * 663588eea45cSKlaus Jensen * See comment in nvme_io_cmd. 663688eea45cSKlaus Jensen */ 663788eea45cSKlaus Jensen id->vwc = NVME_VWC_NSID_BROADCAST_SUPPORT | NVME_VWC_PRESENT; 663888eea45cSKlaus Jensen 663988eea45cSKlaus Jensen id->ocfs = cpu_to_le16(NVME_OCFS_COPY_FORMAT_0); 664088eea45cSKlaus Jensen id->sgls = cpu_to_le32(NVME_CTRL_SGLS_SUPPORT_NO_ALIGN | 664188eea45cSKlaus Jensen NVME_CTRL_SGLS_BITBUCKET); 664288eea45cSKlaus Jensen 664388eea45cSKlaus Jensen nvme_init_subnqn(n); 664488eea45cSKlaus Jensen 664588eea45cSKlaus Jensen id->psd[0].mp = cpu_to_le16(0x9c4); 664688eea45cSKlaus Jensen id->psd[0].enlat = cpu_to_le32(0x10); 664788eea45cSKlaus Jensen id->psd[0].exlat = cpu_to_le32(0x4); 664888eea45cSKlaus Jensen 664988eea45cSKlaus Jensen if (n->subsys) { 665088eea45cSKlaus Jensen id->cmic |= NVME_CMIC_MULTI_CTRL; 665188eea45cSKlaus Jensen } 665288eea45cSKlaus Jensen 665349e03457SKlaus Jensen NVME_CAP_SET_MQES(cap, 0x7ff); 665449e03457SKlaus Jensen NVME_CAP_SET_CQR(cap, 1); 665549e03457SKlaus Jensen NVME_CAP_SET_TO(cap, 0xf); 665649e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_NVM); 665749e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_CSI_SUPP); 665849e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_ADMIN_ONLY); 665949e03457SKlaus Jensen NVME_CAP_SET_MPSMAX(cap, 4); 666049e03457SKlaus Jensen NVME_CAP_SET_CMBS(cap, n->params.cmb_size_mb ? 1 : 0); 666149e03457SKlaus Jensen NVME_CAP_SET_PMRS(cap, n->pmr.dev ? 1 : 0); 666249e03457SKlaus Jensen stq_le_p(&n->bar.cap, cap); 666388eea45cSKlaus Jensen 666449e03457SKlaus Jensen stl_le_p(&n->bar.vs, NVME_SPEC_VER); 666588eea45cSKlaus Jensen n->bar.intmc = n->bar.intms = 0; 666688eea45cSKlaus Jensen } 666788eea45cSKlaus Jensen 666888eea45cSKlaus Jensen static int nvme_init_subsys(NvmeCtrl *n, Error **errp) 666988eea45cSKlaus Jensen { 667088eea45cSKlaus Jensen int cntlid; 667188eea45cSKlaus Jensen 667288eea45cSKlaus Jensen if (!n->subsys) { 667388eea45cSKlaus Jensen return 0; 667488eea45cSKlaus Jensen } 667588eea45cSKlaus Jensen 667688eea45cSKlaus Jensen cntlid = nvme_subsys_register_ctrl(n, errp); 667788eea45cSKlaus Jensen if (cntlid < 0) { 667888eea45cSKlaus Jensen return -1; 667988eea45cSKlaus Jensen } 668088eea45cSKlaus Jensen 668188eea45cSKlaus Jensen n->cntlid = cntlid; 668288eea45cSKlaus Jensen 668388eea45cSKlaus Jensen return 0; 668488eea45cSKlaus Jensen } 668588eea45cSKlaus Jensen 668688eea45cSKlaus Jensen void nvme_attach_ns(NvmeCtrl *n, NvmeNamespace *ns) 668788eea45cSKlaus Jensen { 668888eea45cSKlaus Jensen uint32_t nsid = ns->params.nsid; 668988eea45cSKlaus Jensen assert(nsid && nsid <= NVME_MAX_NAMESPACES); 669088eea45cSKlaus Jensen 669188eea45cSKlaus Jensen n->namespaces[nsid] = ns; 669288eea45cSKlaus Jensen ns->attached++; 669388eea45cSKlaus Jensen 669488eea45cSKlaus Jensen n->dmrsl = MIN_NON_ZERO(n->dmrsl, 669588eea45cSKlaus Jensen BDRV_REQUEST_MAX_BYTES / nvme_l2b(ns, 1)); 669688eea45cSKlaus Jensen } 669788eea45cSKlaus Jensen 669888eea45cSKlaus Jensen static void nvme_realize(PCIDevice *pci_dev, Error **errp) 669988eea45cSKlaus Jensen { 670088eea45cSKlaus Jensen NvmeCtrl *n = NVME(pci_dev); 670188eea45cSKlaus Jensen NvmeNamespace *ns; 670288eea45cSKlaus Jensen Error *local_err = NULL; 670388eea45cSKlaus Jensen 670488eea45cSKlaus Jensen nvme_check_constraints(n, &local_err); 670588eea45cSKlaus Jensen if (local_err) { 670688eea45cSKlaus Jensen error_propagate(errp, local_err); 670788eea45cSKlaus Jensen return; 670888eea45cSKlaus Jensen } 670988eea45cSKlaus Jensen 6710d637e1dcSPeter Maydell qbus_init(&n->bus, sizeof(NvmeBus), TYPE_NVME_BUS, 671188eea45cSKlaus Jensen &pci_dev->qdev, n->parent_obj.qdev.id); 671288eea45cSKlaus Jensen 671388eea45cSKlaus Jensen nvme_init_state(n); 671488eea45cSKlaus Jensen if (nvme_init_pci(n, pci_dev, errp)) { 671588eea45cSKlaus Jensen return; 671688eea45cSKlaus Jensen } 671788eea45cSKlaus Jensen 671888eea45cSKlaus Jensen if (nvme_init_subsys(n, errp)) { 671988eea45cSKlaus Jensen error_propagate(errp, local_err); 672088eea45cSKlaus Jensen return; 672188eea45cSKlaus Jensen } 672288eea45cSKlaus Jensen nvme_init_ctrl(n, pci_dev); 672388eea45cSKlaus Jensen 672488eea45cSKlaus Jensen /* setup a namespace if the controller drive property was given */ 672588eea45cSKlaus Jensen if (n->namespace.blkconf.blk) { 672688eea45cSKlaus Jensen ns = &n->namespace; 672788eea45cSKlaus Jensen ns->params.nsid = 1; 672888eea45cSKlaus Jensen 67295e4f6bccSKlaus Jensen if (nvme_ns_setup(ns, errp)) { 673088eea45cSKlaus Jensen return; 673188eea45cSKlaus Jensen } 673288eea45cSKlaus Jensen 673388eea45cSKlaus Jensen nvme_attach_ns(n, ns); 673488eea45cSKlaus Jensen } 673588eea45cSKlaus Jensen } 673688eea45cSKlaus Jensen 673788eea45cSKlaus Jensen static void nvme_exit(PCIDevice *pci_dev) 673888eea45cSKlaus Jensen { 673988eea45cSKlaus Jensen NvmeCtrl *n = NVME(pci_dev); 674088eea45cSKlaus Jensen NvmeNamespace *ns; 674188eea45cSKlaus Jensen int i; 674288eea45cSKlaus Jensen 674388eea45cSKlaus Jensen nvme_ctrl_reset(n); 674488eea45cSKlaus Jensen 67455ffbaeedSKlaus Jensen if (n->subsys) { 674688eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 674788eea45cSKlaus Jensen ns = nvme_ns(n, i); 67485ffbaeedSKlaus Jensen if (ns) { 67495ffbaeedSKlaus Jensen ns->attached--; 67505ffbaeedSKlaus Jensen } 675188eea45cSKlaus Jensen } 675288eea45cSKlaus Jensen 6753b0fde9e8SKlaus Jensen nvme_subsys_unregister_ctrl(n->subsys, n); 6754b0fde9e8SKlaus Jensen } 6755b0fde9e8SKlaus Jensen 675688eea45cSKlaus Jensen g_free(n->cq); 675788eea45cSKlaus Jensen g_free(n->sq); 675888eea45cSKlaus Jensen g_free(n->aer_reqs); 675988eea45cSKlaus Jensen 676088eea45cSKlaus Jensen if (n->params.cmb_size_mb) { 676188eea45cSKlaus Jensen g_free(n->cmb.buf); 676288eea45cSKlaus Jensen } 676388eea45cSKlaus Jensen 676488eea45cSKlaus Jensen if (n->pmr.dev) { 676588eea45cSKlaus Jensen host_memory_backend_set_mapped(n->pmr.dev, false); 676688eea45cSKlaus Jensen } 676788eea45cSKlaus Jensen msix_uninit(pci_dev, &n->bar0, &n->bar0); 676888eea45cSKlaus Jensen memory_region_del_subregion(&n->bar0, &n->iomem); 676988eea45cSKlaus Jensen } 677088eea45cSKlaus Jensen 677188eea45cSKlaus Jensen static Property nvme_props[] = { 677288eea45cSKlaus Jensen DEFINE_BLOCK_PROPERTIES(NvmeCtrl, namespace.blkconf), 677388eea45cSKlaus Jensen DEFINE_PROP_LINK("pmrdev", NvmeCtrl, pmr.dev, TYPE_MEMORY_BACKEND, 677488eea45cSKlaus Jensen HostMemoryBackend *), 677588eea45cSKlaus Jensen DEFINE_PROP_LINK("subsys", NvmeCtrl, subsys, TYPE_NVME_SUBSYS, 677688eea45cSKlaus Jensen NvmeSubsystem *), 677788eea45cSKlaus Jensen DEFINE_PROP_STRING("serial", NvmeCtrl, params.serial), 677888eea45cSKlaus Jensen DEFINE_PROP_UINT32("cmb_size_mb", NvmeCtrl, params.cmb_size_mb, 0), 677988eea45cSKlaus Jensen DEFINE_PROP_UINT32("num_queues", NvmeCtrl, params.num_queues, 0), 678088eea45cSKlaus Jensen DEFINE_PROP_UINT32("max_ioqpairs", NvmeCtrl, params.max_ioqpairs, 64), 678188eea45cSKlaus Jensen DEFINE_PROP_UINT16("msix_qsize", NvmeCtrl, params.msix_qsize, 65), 678288eea45cSKlaus Jensen DEFINE_PROP_UINT8("aerl", NvmeCtrl, params.aerl, 3), 678388eea45cSKlaus Jensen DEFINE_PROP_UINT32("aer_max_queued", NvmeCtrl, params.aer_max_queued, 64), 678488eea45cSKlaus Jensen DEFINE_PROP_UINT8("mdts", NvmeCtrl, params.mdts, 7), 678588eea45cSKlaus Jensen DEFINE_PROP_UINT8("vsl", NvmeCtrl, params.vsl, 7), 678688eea45cSKlaus Jensen DEFINE_PROP_BOOL("use-intel-id", NvmeCtrl, params.use_intel_id, false), 678788eea45cSKlaus Jensen DEFINE_PROP_BOOL("legacy-cmb", NvmeCtrl, params.legacy_cmb, false), 678888eea45cSKlaus Jensen DEFINE_PROP_UINT8("zoned.zasl", NvmeCtrl, params.zasl, 0), 6789cccc2651SNiklas Cassel DEFINE_PROP_BOOL("zoned.auto_transition", NvmeCtrl, 6790cccc2651SNiklas Cassel params.auto_transition_zones, true), 679188eea45cSKlaus Jensen DEFINE_PROP_END_OF_LIST(), 679288eea45cSKlaus Jensen }; 679388eea45cSKlaus Jensen 679488eea45cSKlaus Jensen static void nvme_get_smart_warning(Object *obj, Visitor *v, const char *name, 679588eea45cSKlaus Jensen void *opaque, Error **errp) 679688eea45cSKlaus Jensen { 679788eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 679888eea45cSKlaus Jensen uint8_t value = n->smart_critical_warning; 679988eea45cSKlaus Jensen 680088eea45cSKlaus Jensen visit_type_uint8(v, name, &value, errp); 680188eea45cSKlaus Jensen } 680288eea45cSKlaus Jensen 680388eea45cSKlaus Jensen static void nvme_set_smart_warning(Object *obj, Visitor *v, const char *name, 680488eea45cSKlaus Jensen void *opaque, Error **errp) 680588eea45cSKlaus Jensen { 680688eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 680788eea45cSKlaus Jensen uint8_t value, old_value, cap = 0, index, event; 680888eea45cSKlaus Jensen 680988eea45cSKlaus Jensen if (!visit_type_uint8(v, name, &value, errp)) { 681088eea45cSKlaus Jensen return; 681188eea45cSKlaus Jensen } 681288eea45cSKlaus Jensen 681388eea45cSKlaus Jensen cap = NVME_SMART_SPARE | NVME_SMART_TEMPERATURE | NVME_SMART_RELIABILITY 681488eea45cSKlaus Jensen | NVME_SMART_MEDIA_READ_ONLY | NVME_SMART_FAILED_VOLATILE_MEDIA; 681549e03457SKlaus Jensen if (NVME_CAP_PMRS(ldq_le_p(&n->bar.cap))) { 681688eea45cSKlaus Jensen cap |= NVME_SMART_PMR_UNRELIABLE; 681788eea45cSKlaus Jensen } 681888eea45cSKlaus Jensen 681988eea45cSKlaus Jensen if ((value & cap) != value) { 682088eea45cSKlaus Jensen error_setg(errp, "unsupported smart critical warning bits: 0x%x", 682188eea45cSKlaus Jensen value & ~cap); 682288eea45cSKlaus Jensen return; 682388eea45cSKlaus Jensen } 682488eea45cSKlaus Jensen 682588eea45cSKlaus Jensen old_value = n->smart_critical_warning; 682688eea45cSKlaus Jensen n->smart_critical_warning = value; 682788eea45cSKlaus Jensen 682888eea45cSKlaus Jensen /* only inject new bits of smart critical warning */ 682988eea45cSKlaus Jensen for (index = 0; index < NVME_SMART_WARN_MAX; index++) { 683088eea45cSKlaus Jensen event = 1 << index; 683188eea45cSKlaus Jensen if (value & ~old_value & event) 683288eea45cSKlaus Jensen nvme_smart_event(n, event); 683388eea45cSKlaus Jensen } 683488eea45cSKlaus Jensen } 683588eea45cSKlaus Jensen 683688eea45cSKlaus Jensen static const VMStateDescription nvme_vmstate = { 683788eea45cSKlaus Jensen .name = "nvme", 683888eea45cSKlaus Jensen .unmigratable = 1, 683988eea45cSKlaus Jensen }; 684088eea45cSKlaus Jensen 684188eea45cSKlaus Jensen static void nvme_class_init(ObjectClass *oc, void *data) 684288eea45cSKlaus Jensen { 684388eea45cSKlaus Jensen DeviceClass *dc = DEVICE_CLASS(oc); 684488eea45cSKlaus Jensen PCIDeviceClass *pc = PCI_DEVICE_CLASS(oc); 684588eea45cSKlaus Jensen 684688eea45cSKlaus Jensen pc->realize = nvme_realize; 684788eea45cSKlaus Jensen pc->exit = nvme_exit; 684888eea45cSKlaus Jensen pc->class_id = PCI_CLASS_STORAGE_EXPRESS; 684988eea45cSKlaus Jensen pc->revision = 2; 685088eea45cSKlaus Jensen 685188eea45cSKlaus Jensen set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 685288eea45cSKlaus Jensen dc->desc = "Non-Volatile Memory Express"; 685388eea45cSKlaus Jensen device_class_set_props(dc, nvme_props); 685488eea45cSKlaus Jensen dc->vmsd = &nvme_vmstate; 685588eea45cSKlaus Jensen } 685688eea45cSKlaus Jensen 685788eea45cSKlaus Jensen static void nvme_instance_init(Object *obj) 685888eea45cSKlaus Jensen { 685988eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 686088eea45cSKlaus Jensen 686188eea45cSKlaus Jensen device_add_bootindex_property(obj, &n->namespace.blkconf.bootindex, 686288eea45cSKlaus Jensen "bootindex", "/namespace@1,0", 686388eea45cSKlaus Jensen DEVICE(obj)); 686488eea45cSKlaus Jensen 686588eea45cSKlaus Jensen object_property_add(obj, "smart_critical_warning", "uint8", 686688eea45cSKlaus Jensen nvme_get_smart_warning, 686788eea45cSKlaus Jensen nvme_set_smart_warning, NULL, NULL); 686888eea45cSKlaus Jensen } 686988eea45cSKlaus Jensen 687088eea45cSKlaus Jensen static const TypeInfo nvme_info = { 687188eea45cSKlaus Jensen .name = TYPE_NVME, 687288eea45cSKlaus Jensen .parent = TYPE_PCI_DEVICE, 687388eea45cSKlaus Jensen .instance_size = sizeof(NvmeCtrl), 687488eea45cSKlaus Jensen .instance_init = nvme_instance_init, 687588eea45cSKlaus Jensen .class_init = nvme_class_init, 687688eea45cSKlaus Jensen .interfaces = (InterfaceInfo[]) { 687788eea45cSKlaus Jensen { INTERFACE_PCIE_DEVICE }, 687888eea45cSKlaus Jensen { } 687988eea45cSKlaus Jensen }, 688088eea45cSKlaus Jensen }; 688188eea45cSKlaus Jensen 688288eea45cSKlaus Jensen static const TypeInfo nvme_bus_info = { 688388eea45cSKlaus Jensen .name = TYPE_NVME_BUS, 688488eea45cSKlaus Jensen .parent = TYPE_BUS, 688588eea45cSKlaus Jensen .instance_size = sizeof(NvmeBus), 688688eea45cSKlaus Jensen }; 688788eea45cSKlaus Jensen 688888eea45cSKlaus Jensen static void nvme_register_types(void) 688988eea45cSKlaus Jensen { 689088eea45cSKlaus Jensen type_register_static(&nvme_info); 689188eea45cSKlaus Jensen type_register_static(&nvme_bus_info); 689288eea45cSKlaus Jensen } 689388eea45cSKlaus Jensen 689488eea45cSKlaus Jensen type_init(nvme_register_types) 6895