188eea45cSKlaus Jensen /* 288eea45cSKlaus Jensen * QEMU NVM Express Controller 388eea45cSKlaus Jensen * 488eea45cSKlaus Jensen * Copyright (c) 2012, Intel Corporation 588eea45cSKlaus Jensen * 688eea45cSKlaus Jensen * Written by Keith Busch <keith.busch@intel.com> 788eea45cSKlaus Jensen * 888eea45cSKlaus Jensen * This code is licensed under the GNU GPL v2 or later. 988eea45cSKlaus Jensen */ 1088eea45cSKlaus Jensen 1188eea45cSKlaus Jensen /** 1288eea45cSKlaus Jensen * Reference Specs: http://www.nvmexpress.org, 1.4, 1.3, 1.2, 1.1, 1.0e 1388eea45cSKlaus Jensen * 1488eea45cSKlaus Jensen * https://nvmexpress.org/developers/nvme-specification/ 1588eea45cSKlaus Jensen * 1688eea45cSKlaus Jensen * 1788eea45cSKlaus Jensen * Notes on coding style 1888eea45cSKlaus Jensen * --------------------- 1988eea45cSKlaus Jensen * While QEMU coding style prefers lowercase hexadecimals in constants, the 2088eea45cSKlaus Jensen * NVMe subsystem use thes format from the NVMe specifications in the comments 2188eea45cSKlaus Jensen * (i.e. 'h' suffix instead of '0x' prefix). 2288eea45cSKlaus Jensen * 2388eea45cSKlaus Jensen * Usage 2488eea45cSKlaus Jensen * ----- 2588eea45cSKlaus Jensen * See docs/system/nvme.rst for extensive documentation. 2688eea45cSKlaus Jensen * 2788eea45cSKlaus Jensen * Add options: 2888eea45cSKlaus Jensen * -drive file=<file>,if=none,id=<drive_id> 2988eea45cSKlaus Jensen * -device nvme-subsys,id=<subsys_id>,nqn=<nqn_id> 3088eea45cSKlaus Jensen * -device nvme,serial=<serial>,id=<bus_name>, \ 3188eea45cSKlaus Jensen * cmb_size_mb=<cmb_size_mb[optional]>, \ 3288eea45cSKlaus Jensen * [pmrdev=<mem_backend_file_id>,] \ 3388eea45cSKlaus Jensen * max_ioqpairs=<N[optional]>, \ 3488eea45cSKlaus Jensen * aerl=<N[optional]>,aer_max_queued=<N[optional]>, \ 3588eea45cSKlaus Jensen * mdts=<N[optional]>,vsl=<N[optional]>, \ 3688eea45cSKlaus Jensen * zoned.zasl=<N[optional]>, \ 37cccc2651SNiklas Cassel * zoned.auto_transition=<on|off[optional]>, \ 3888eea45cSKlaus Jensen * subsys=<subsys_id> 3988eea45cSKlaus Jensen * -device nvme-ns,drive=<drive_id>,bus=<bus_name>,nsid=<nsid>,\ 4088eea45cSKlaus Jensen * zoned=<true|false[optional]>, \ 4188eea45cSKlaus Jensen * subsys=<subsys_id>,detached=<true|false[optional]> 4288eea45cSKlaus Jensen * 4388eea45cSKlaus Jensen * Note cmb_size_mb denotes size of CMB in MB. CMB is assumed to be at 4488eea45cSKlaus Jensen * offset 0 in BAR2 and supports only WDS, RDS and SQS for now. By default, the 4588eea45cSKlaus Jensen * device will use the "v1.4 CMB scheme" - use the `legacy-cmb` parameter to 4688eea45cSKlaus Jensen * always enable the CMBLOC and CMBSZ registers (v1.3 behavior). 4788eea45cSKlaus Jensen * 4888eea45cSKlaus Jensen * Enabling pmr emulation can be achieved by pointing to memory-backend-file. 4988eea45cSKlaus Jensen * For example: 5088eea45cSKlaus Jensen * -object memory-backend-file,id=<mem_id>,share=on,mem-path=<file_path>, \ 5188eea45cSKlaus Jensen * size=<size> .... -device nvme,...,pmrdev=<mem_id> 5288eea45cSKlaus Jensen * 5388eea45cSKlaus Jensen * The PMR will use BAR 4/5 exclusively. 5488eea45cSKlaus Jensen * 5588eea45cSKlaus Jensen * To place controller(s) and namespace(s) to a subsystem, then provide 5688eea45cSKlaus Jensen * nvme-subsys device as above. 5788eea45cSKlaus Jensen * 5888eea45cSKlaus Jensen * nvme subsystem device parameters 5988eea45cSKlaus Jensen * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 6088eea45cSKlaus Jensen * - `nqn` 6188eea45cSKlaus Jensen * This parameter provides the `<nqn_id>` part of the string 6288eea45cSKlaus Jensen * `nqn.2019-08.org.qemu:<nqn_id>` which will be reported in the SUBNQN field 6388eea45cSKlaus Jensen * of subsystem controllers. Note that `<nqn_id>` should be unique per 6488eea45cSKlaus Jensen * subsystem, but this is not enforced by QEMU. If not specified, it will 6588eea45cSKlaus Jensen * default to the value of the `id` parameter (`<subsys_id>`). 6688eea45cSKlaus Jensen * 6788eea45cSKlaus Jensen * nvme device parameters 6888eea45cSKlaus Jensen * ~~~~~~~~~~~~~~~~~~~~~~ 6988eea45cSKlaus Jensen * - `subsys` 7088eea45cSKlaus Jensen * Specifying this parameter attaches the controller to the subsystem and 7188eea45cSKlaus Jensen * the SUBNQN field in the controller will report the NQN of the subsystem 7288eea45cSKlaus Jensen * device. This also enables multi controller capability represented in 7388eea45cSKlaus Jensen * Identify Controller data structure in CMIC (Controller Multi-path I/O and 7488eea45cSKlaus Jensen * Namesapce Sharing Capabilities). 7588eea45cSKlaus Jensen * 7688eea45cSKlaus Jensen * - `aerl` 7788eea45cSKlaus Jensen * The Asynchronous Event Request Limit (AERL). Indicates the maximum number 7888eea45cSKlaus Jensen * of concurrently outstanding Asynchronous Event Request commands support 7988eea45cSKlaus Jensen * by the controller. This is a 0's based value. 8088eea45cSKlaus Jensen * 8188eea45cSKlaus Jensen * - `aer_max_queued` 8288eea45cSKlaus Jensen * This is the maximum number of events that the device will enqueue for 8388eea45cSKlaus Jensen * completion when there are no outstanding AERs. When the maximum number of 8488eea45cSKlaus Jensen * enqueued events are reached, subsequent events will be dropped. 8588eea45cSKlaus Jensen * 8688eea45cSKlaus Jensen * - `mdts` 8788eea45cSKlaus Jensen * Indicates the maximum data transfer size for a command that transfers data 8888eea45cSKlaus Jensen * between host-accessible memory and the controller. The value is specified 8988eea45cSKlaus Jensen * as a power of two (2^n) and is in units of the minimum memory page size 9088eea45cSKlaus Jensen * (CAP.MPSMIN). The default value is 7 (i.e. 512 KiB). 9188eea45cSKlaus Jensen * 9288eea45cSKlaus Jensen * - `vsl` 9388eea45cSKlaus Jensen * Indicates the maximum data size limit for the Verify command. Like `mdts`, 9488eea45cSKlaus Jensen * this value is specified as a power of two (2^n) and is in units of the 9588eea45cSKlaus Jensen * minimum memory page size (CAP.MPSMIN). The default value is 7 (i.e. 512 9688eea45cSKlaus Jensen * KiB). 9788eea45cSKlaus Jensen * 9888eea45cSKlaus Jensen * - `zoned.zasl` 9988eea45cSKlaus Jensen * Indicates the maximum data transfer size for the Zone Append command. Like 10088eea45cSKlaus Jensen * `mdts`, the value is specified as a power of two (2^n) and is in units of 10188eea45cSKlaus Jensen * the minimum memory page size (CAP.MPSMIN). The default value is 0 (i.e. 10288eea45cSKlaus Jensen * defaulting to the value of `mdts`). 10388eea45cSKlaus Jensen * 104cccc2651SNiklas Cassel * - `zoned.auto_transition` 105cccc2651SNiklas Cassel * Indicates if zones in zone state implicitly opened can be automatically 106cccc2651SNiklas Cassel * transitioned to zone state closed for resource management purposes. 107cccc2651SNiklas Cassel * Defaults to 'on'. 108cccc2651SNiklas Cassel * 10988eea45cSKlaus Jensen * nvme namespace device parameters 11088eea45cSKlaus Jensen * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 11188eea45cSKlaus Jensen * - `shared` 11288eea45cSKlaus Jensen * When the parent nvme device (as defined explicitly by the 'bus' parameter 11388eea45cSKlaus Jensen * or implicitly by the most recently defined NvmeBus) is linked to an 11488eea45cSKlaus Jensen * nvme-subsys device, the namespace will be attached to all controllers in 11588eea45cSKlaus Jensen * the subsystem. If set to 'off' (the default), the namespace will remain a 11688eea45cSKlaus Jensen * private namespace and may only be attached to a single controller at a 11788eea45cSKlaus Jensen * time. 11888eea45cSKlaus Jensen * 11988eea45cSKlaus Jensen * - `detached` 12088eea45cSKlaus Jensen * This parameter is only valid together with the `subsys` parameter. If left 12188eea45cSKlaus Jensen * at the default value (`false/off`), the namespace will be attached to all 12288eea45cSKlaus Jensen * controllers in the NVMe subsystem at boot-up. If set to `true/on`, the 123eeef4329SGollu Appalanaidu * namespace will be available in the subsystem but not attached to any 12488eea45cSKlaus Jensen * controllers. 12588eea45cSKlaus Jensen * 12688eea45cSKlaus Jensen * Setting `zoned` to true selects Zoned Command Set at the namespace. 12788eea45cSKlaus Jensen * In this case, the following namespace properties are available to configure 12888eea45cSKlaus Jensen * zoned operation: 12988eea45cSKlaus Jensen * zoned.zone_size=<zone size in bytes, default: 128MiB> 13088eea45cSKlaus Jensen * The number may be followed by K, M, G as in kilo-, mega- or giga-. 13188eea45cSKlaus Jensen * 13288eea45cSKlaus Jensen * zoned.zone_capacity=<zone capacity in bytes, default: zone size> 13388eea45cSKlaus Jensen * The value 0 (default) forces zone capacity to be the same as zone 13488eea45cSKlaus Jensen * size. The value of this property may not exceed zone size. 13588eea45cSKlaus Jensen * 13688eea45cSKlaus Jensen * zoned.descr_ext_size=<zone descriptor extension size, default 0> 13788eea45cSKlaus Jensen * This value needs to be specified in 64B units. If it is zero, 13888eea45cSKlaus Jensen * namespace(s) will not support zone descriptor extensions. 13988eea45cSKlaus Jensen * 14088eea45cSKlaus Jensen * zoned.max_active=<Maximum Active Resources (zones), default: 0> 14188eea45cSKlaus Jensen * The default value means there is no limit to the number of 14288eea45cSKlaus Jensen * concurrently active zones. 14388eea45cSKlaus Jensen * 14488eea45cSKlaus Jensen * zoned.max_open=<Maximum Open Resources (zones), default: 0> 14588eea45cSKlaus Jensen * The default value means there is no limit to the number of 14688eea45cSKlaus Jensen * concurrently open zones. 14788eea45cSKlaus Jensen * 14888eea45cSKlaus Jensen * zoned.cross_read=<enable RAZB, default: false> 14988eea45cSKlaus Jensen * Setting this property to true enables Read Across Zone Boundaries. 15088eea45cSKlaus Jensen */ 15188eea45cSKlaus Jensen 15288eea45cSKlaus Jensen #include "qemu/osdep.h" 15388eea45cSKlaus Jensen #include "qemu/cutils.h" 15488eea45cSKlaus Jensen #include "qemu/error-report.h" 15588eea45cSKlaus Jensen #include "qemu/log.h" 15688eea45cSKlaus Jensen #include "qemu/units.h" 15788eea45cSKlaus Jensen #include "qapi/error.h" 15888eea45cSKlaus Jensen #include "qapi/visitor.h" 15988eea45cSKlaus Jensen #include "sysemu/sysemu.h" 16088eea45cSKlaus Jensen #include "sysemu/block-backend.h" 16188eea45cSKlaus Jensen #include "sysemu/hostmem.h" 16288eea45cSKlaus Jensen #include "hw/pci/msix.h" 16388eea45cSKlaus Jensen #include "migration/vmstate.h" 16488eea45cSKlaus Jensen 16588eea45cSKlaus Jensen #include "nvme.h" 16688eea45cSKlaus Jensen #include "trace.h" 16788eea45cSKlaus Jensen 16888eea45cSKlaus Jensen #define NVME_MAX_IOQPAIRS 0xffff 16988eea45cSKlaus Jensen #define NVME_DB_SIZE 4 17088eea45cSKlaus Jensen #define NVME_SPEC_VER 0x00010400 17188eea45cSKlaus Jensen #define NVME_CMB_BIR 2 17288eea45cSKlaus Jensen #define NVME_PMR_BIR 4 17388eea45cSKlaus Jensen #define NVME_TEMPERATURE 0x143 17488eea45cSKlaus Jensen #define NVME_TEMPERATURE_WARNING 0x157 17588eea45cSKlaus Jensen #define NVME_TEMPERATURE_CRITICAL 0x175 17688eea45cSKlaus Jensen #define NVME_NUM_FW_SLOTS 1 17788eea45cSKlaus Jensen #define NVME_DEFAULT_MAX_ZA_SIZE (128 * KiB) 17888eea45cSKlaus Jensen 17988eea45cSKlaus Jensen #define NVME_GUEST_ERR(trace, fmt, ...) \ 18088eea45cSKlaus Jensen do { \ 18188eea45cSKlaus Jensen (trace_##trace)(__VA_ARGS__); \ 18288eea45cSKlaus Jensen qemu_log_mask(LOG_GUEST_ERROR, #trace \ 18388eea45cSKlaus Jensen " in %s: " fmt "\n", __func__, ## __VA_ARGS__); \ 18488eea45cSKlaus Jensen } while (0) 18588eea45cSKlaus Jensen 18688eea45cSKlaus Jensen static const bool nvme_feature_support[NVME_FID_MAX] = { 18788eea45cSKlaus Jensen [NVME_ARBITRATION] = true, 18888eea45cSKlaus Jensen [NVME_POWER_MANAGEMENT] = true, 18988eea45cSKlaus Jensen [NVME_TEMPERATURE_THRESHOLD] = true, 19088eea45cSKlaus Jensen [NVME_ERROR_RECOVERY] = true, 19188eea45cSKlaus Jensen [NVME_VOLATILE_WRITE_CACHE] = true, 19288eea45cSKlaus Jensen [NVME_NUMBER_OF_QUEUES] = true, 19388eea45cSKlaus Jensen [NVME_INTERRUPT_COALESCING] = true, 19488eea45cSKlaus Jensen [NVME_INTERRUPT_VECTOR_CONF] = true, 19588eea45cSKlaus Jensen [NVME_WRITE_ATOMICITY] = true, 19688eea45cSKlaus Jensen [NVME_ASYNCHRONOUS_EVENT_CONF] = true, 19788eea45cSKlaus Jensen [NVME_TIMESTAMP] = true, 19888eea45cSKlaus Jensen [NVME_COMMAND_SET_PROFILE] = true, 19988eea45cSKlaus Jensen }; 20088eea45cSKlaus Jensen 20188eea45cSKlaus Jensen static const uint32_t nvme_feature_cap[NVME_FID_MAX] = { 20288eea45cSKlaus Jensen [NVME_TEMPERATURE_THRESHOLD] = NVME_FEAT_CAP_CHANGE, 20388eea45cSKlaus Jensen [NVME_ERROR_RECOVERY] = NVME_FEAT_CAP_CHANGE | NVME_FEAT_CAP_NS, 20488eea45cSKlaus Jensen [NVME_VOLATILE_WRITE_CACHE] = NVME_FEAT_CAP_CHANGE, 20588eea45cSKlaus Jensen [NVME_NUMBER_OF_QUEUES] = NVME_FEAT_CAP_CHANGE, 20688eea45cSKlaus Jensen [NVME_ASYNCHRONOUS_EVENT_CONF] = NVME_FEAT_CAP_CHANGE, 20788eea45cSKlaus Jensen [NVME_TIMESTAMP] = NVME_FEAT_CAP_CHANGE, 20888eea45cSKlaus Jensen [NVME_COMMAND_SET_PROFILE] = NVME_FEAT_CAP_CHANGE, 20988eea45cSKlaus Jensen }; 21088eea45cSKlaus Jensen 21188eea45cSKlaus Jensen static const uint32_t nvme_cse_acs[256] = { 21288eea45cSKlaus Jensen [NVME_ADM_CMD_DELETE_SQ] = NVME_CMD_EFF_CSUPP, 21388eea45cSKlaus Jensen [NVME_ADM_CMD_CREATE_SQ] = NVME_CMD_EFF_CSUPP, 21488eea45cSKlaus Jensen [NVME_ADM_CMD_GET_LOG_PAGE] = NVME_CMD_EFF_CSUPP, 21588eea45cSKlaus Jensen [NVME_ADM_CMD_DELETE_CQ] = NVME_CMD_EFF_CSUPP, 21688eea45cSKlaus Jensen [NVME_ADM_CMD_CREATE_CQ] = NVME_CMD_EFF_CSUPP, 21788eea45cSKlaus Jensen [NVME_ADM_CMD_IDENTIFY] = NVME_CMD_EFF_CSUPP, 21888eea45cSKlaus Jensen [NVME_ADM_CMD_ABORT] = NVME_CMD_EFF_CSUPP, 21988eea45cSKlaus Jensen [NVME_ADM_CMD_SET_FEATURES] = NVME_CMD_EFF_CSUPP, 22088eea45cSKlaus Jensen [NVME_ADM_CMD_GET_FEATURES] = NVME_CMD_EFF_CSUPP, 22188eea45cSKlaus Jensen [NVME_ADM_CMD_ASYNC_EV_REQ] = NVME_CMD_EFF_CSUPP, 22288eea45cSKlaus Jensen [NVME_ADM_CMD_NS_ATTACHMENT] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_NIC, 22388eea45cSKlaus Jensen [NVME_ADM_CMD_FORMAT_NVM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 22488eea45cSKlaus Jensen }; 22588eea45cSKlaus Jensen 22688eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_none[256]; 22788eea45cSKlaus Jensen 22888eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_nvm[256] = { 22988eea45cSKlaus Jensen [NVME_CMD_FLUSH] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 23088eea45cSKlaus Jensen [NVME_CMD_WRITE_ZEROES] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 23188eea45cSKlaus Jensen [NVME_CMD_WRITE] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 23288eea45cSKlaus Jensen [NVME_CMD_READ] = NVME_CMD_EFF_CSUPP, 23388eea45cSKlaus Jensen [NVME_CMD_DSM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 23488eea45cSKlaus Jensen [NVME_CMD_VERIFY] = NVME_CMD_EFF_CSUPP, 23588eea45cSKlaus Jensen [NVME_CMD_COPY] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 23688eea45cSKlaus Jensen [NVME_CMD_COMPARE] = NVME_CMD_EFF_CSUPP, 23788eea45cSKlaus Jensen }; 23888eea45cSKlaus Jensen 23988eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_zoned[256] = { 24088eea45cSKlaus Jensen [NVME_CMD_FLUSH] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 24188eea45cSKlaus Jensen [NVME_CMD_WRITE_ZEROES] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 24288eea45cSKlaus Jensen [NVME_CMD_WRITE] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 24388eea45cSKlaus Jensen [NVME_CMD_READ] = NVME_CMD_EFF_CSUPP, 24488eea45cSKlaus Jensen [NVME_CMD_DSM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 24588eea45cSKlaus Jensen [NVME_CMD_VERIFY] = NVME_CMD_EFF_CSUPP, 24688eea45cSKlaus Jensen [NVME_CMD_COPY] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 24788eea45cSKlaus Jensen [NVME_CMD_COMPARE] = NVME_CMD_EFF_CSUPP, 24888eea45cSKlaus Jensen [NVME_CMD_ZONE_APPEND] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 24988eea45cSKlaus Jensen [NVME_CMD_ZONE_MGMT_SEND] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 25088eea45cSKlaus Jensen [NVME_CMD_ZONE_MGMT_RECV] = NVME_CMD_EFF_CSUPP, 25188eea45cSKlaus Jensen }; 25288eea45cSKlaus Jensen 25388eea45cSKlaus Jensen static void nvme_process_sq(void *opaque); 25488eea45cSKlaus Jensen 25588eea45cSKlaus Jensen static uint16_t nvme_sqid(NvmeRequest *req) 25688eea45cSKlaus Jensen { 25788eea45cSKlaus Jensen return le16_to_cpu(req->sq->sqid); 25888eea45cSKlaus Jensen } 25988eea45cSKlaus Jensen 26088eea45cSKlaus Jensen static void nvme_assign_zone_state(NvmeNamespace *ns, NvmeZone *zone, 26188eea45cSKlaus Jensen NvmeZoneState state) 26288eea45cSKlaus Jensen { 26388eea45cSKlaus Jensen if (QTAILQ_IN_USE(zone, entry)) { 26488eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 26588eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 26688eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->exp_open_zones, zone, entry); 26788eea45cSKlaus Jensen break; 26888eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 26988eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->imp_open_zones, zone, entry); 27088eea45cSKlaus Jensen break; 27188eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 27288eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->closed_zones, zone, entry); 27388eea45cSKlaus Jensen break; 27488eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 27588eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->full_zones, zone, entry); 27688eea45cSKlaus Jensen default: 27788eea45cSKlaus Jensen ; 27888eea45cSKlaus Jensen } 27988eea45cSKlaus Jensen } 28088eea45cSKlaus Jensen 28188eea45cSKlaus Jensen nvme_set_zone_state(zone, state); 28288eea45cSKlaus Jensen 28388eea45cSKlaus Jensen switch (state) { 28488eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 28588eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->exp_open_zones, zone, entry); 28688eea45cSKlaus Jensen break; 28788eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 28888eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->imp_open_zones, zone, entry); 28988eea45cSKlaus Jensen break; 29088eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 29188eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->closed_zones, zone, entry); 29288eea45cSKlaus Jensen break; 29388eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 29488eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->full_zones, zone, entry); 29588eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 29688eea45cSKlaus Jensen break; 29788eea45cSKlaus Jensen default: 29888eea45cSKlaus Jensen zone->d.za = 0; 29988eea45cSKlaus Jensen } 30088eea45cSKlaus Jensen } 30188eea45cSKlaus Jensen 302*e321b4cdSKlaus Jensen static uint16_t nvme_zns_check_resources(NvmeNamespace *ns, uint32_t act, 303*e321b4cdSKlaus Jensen uint32_t opn, uint32_t zrwa) 30488eea45cSKlaus Jensen { 30588eea45cSKlaus Jensen if (ns->params.max_active_zones != 0 && 30688eea45cSKlaus Jensen ns->nr_active_zones + act > ns->params.max_active_zones) { 30788eea45cSKlaus Jensen trace_pci_nvme_err_insuff_active_res(ns->params.max_active_zones); 30888eea45cSKlaus Jensen return NVME_ZONE_TOO_MANY_ACTIVE | NVME_DNR; 30988eea45cSKlaus Jensen } 310*e321b4cdSKlaus Jensen 31188eea45cSKlaus Jensen if (ns->params.max_open_zones != 0 && 31288eea45cSKlaus Jensen ns->nr_open_zones + opn > ns->params.max_open_zones) { 31388eea45cSKlaus Jensen trace_pci_nvme_err_insuff_open_res(ns->params.max_open_zones); 31488eea45cSKlaus Jensen return NVME_ZONE_TOO_MANY_OPEN | NVME_DNR; 31588eea45cSKlaus Jensen } 31688eea45cSKlaus Jensen 317*e321b4cdSKlaus Jensen if (zrwa > ns->zns.numzrwa) { 318*e321b4cdSKlaus Jensen return NVME_NOZRWA | NVME_DNR; 319*e321b4cdSKlaus Jensen } 320*e321b4cdSKlaus Jensen 32188eea45cSKlaus Jensen return NVME_SUCCESS; 32288eea45cSKlaus Jensen } 32388eea45cSKlaus Jensen 324*e321b4cdSKlaus Jensen /* 325*e321b4cdSKlaus Jensen * Check if we can open a zone without exceeding open/active limits. 326*e321b4cdSKlaus Jensen * AOR stands for "Active and Open Resources" (see TP 4053 section 2.5). 327*e321b4cdSKlaus Jensen */ 328*e321b4cdSKlaus Jensen static uint16_t nvme_aor_check(NvmeNamespace *ns, uint32_t act, uint32_t opn) 329*e321b4cdSKlaus Jensen { 330*e321b4cdSKlaus Jensen return nvme_zns_check_resources(ns, act, opn, 0); 331*e321b4cdSKlaus Jensen } 332*e321b4cdSKlaus Jensen 33388eea45cSKlaus Jensen static bool nvme_addr_is_cmb(NvmeCtrl *n, hwaddr addr) 33488eea45cSKlaus Jensen { 33588eea45cSKlaus Jensen hwaddr hi, lo; 33688eea45cSKlaus Jensen 33788eea45cSKlaus Jensen if (!n->cmb.cmse) { 33888eea45cSKlaus Jensen return false; 33988eea45cSKlaus Jensen } 34088eea45cSKlaus Jensen 34188eea45cSKlaus Jensen lo = n->params.legacy_cmb ? n->cmb.mem.addr : n->cmb.cba; 34288eea45cSKlaus Jensen hi = lo + int128_get64(n->cmb.mem.size); 34388eea45cSKlaus Jensen 34488eea45cSKlaus Jensen return addr >= lo && addr < hi; 34588eea45cSKlaus Jensen } 34688eea45cSKlaus Jensen 34788eea45cSKlaus Jensen static inline void *nvme_addr_to_cmb(NvmeCtrl *n, hwaddr addr) 34888eea45cSKlaus Jensen { 34988eea45cSKlaus Jensen hwaddr base = n->params.legacy_cmb ? n->cmb.mem.addr : n->cmb.cba; 35088eea45cSKlaus Jensen return &n->cmb.buf[addr - base]; 35188eea45cSKlaus Jensen } 35288eea45cSKlaus Jensen 35388eea45cSKlaus Jensen static bool nvme_addr_is_pmr(NvmeCtrl *n, hwaddr addr) 35488eea45cSKlaus Jensen { 35588eea45cSKlaus Jensen hwaddr hi; 35688eea45cSKlaus Jensen 35788eea45cSKlaus Jensen if (!n->pmr.cmse) { 35888eea45cSKlaus Jensen return false; 35988eea45cSKlaus Jensen } 36088eea45cSKlaus Jensen 36188eea45cSKlaus Jensen hi = n->pmr.cba + int128_get64(n->pmr.dev->mr.size); 36288eea45cSKlaus Jensen 36388eea45cSKlaus Jensen return addr >= n->pmr.cba && addr < hi; 36488eea45cSKlaus Jensen } 36588eea45cSKlaus Jensen 36688eea45cSKlaus Jensen static inline void *nvme_addr_to_pmr(NvmeCtrl *n, hwaddr addr) 36788eea45cSKlaus Jensen { 36888eea45cSKlaus Jensen return memory_region_get_ram_ptr(&n->pmr.dev->mr) + (addr - n->pmr.cba); 36988eea45cSKlaus Jensen } 37088eea45cSKlaus Jensen 371736b0164SKlaus Jensen static inline bool nvme_addr_is_iomem(NvmeCtrl *n, hwaddr addr) 372736b0164SKlaus Jensen { 373736b0164SKlaus Jensen hwaddr hi, lo; 374736b0164SKlaus Jensen 375736b0164SKlaus Jensen /* 376736b0164SKlaus Jensen * The purpose of this check is to guard against invalid "local" access to 377736b0164SKlaus Jensen * the iomem (i.e. controller registers). Thus, we check against the range 378736b0164SKlaus Jensen * covered by the 'bar0' MemoryRegion since that is currently composed of 379736b0164SKlaus Jensen * two subregions (the NVMe "MBAR" and the MSI-X table/pba). Note, however, 380736b0164SKlaus Jensen * that if the device model is ever changed to allow the CMB to be located 381736b0164SKlaus Jensen * in BAR0 as well, then this must be changed. 382736b0164SKlaus Jensen */ 383736b0164SKlaus Jensen lo = n->bar0.addr; 384736b0164SKlaus Jensen hi = lo + int128_get64(n->bar0.size); 385736b0164SKlaus Jensen 386736b0164SKlaus Jensen return addr >= lo && addr < hi; 387736b0164SKlaus Jensen } 388736b0164SKlaus Jensen 38988eea45cSKlaus Jensen static int nvme_addr_read(NvmeCtrl *n, hwaddr addr, void *buf, int size) 39088eea45cSKlaus Jensen { 39188eea45cSKlaus Jensen hwaddr hi = addr + size - 1; 39288eea45cSKlaus Jensen if (hi < addr) { 39388eea45cSKlaus Jensen return 1; 39488eea45cSKlaus Jensen } 39588eea45cSKlaus Jensen 39688eea45cSKlaus Jensen if (n->bar.cmbsz && nvme_addr_is_cmb(n, addr) && nvme_addr_is_cmb(n, hi)) { 39788eea45cSKlaus Jensen memcpy(buf, nvme_addr_to_cmb(n, addr), size); 39888eea45cSKlaus Jensen return 0; 39988eea45cSKlaus Jensen } 40088eea45cSKlaus Jensen 40188eea45cSKlaus Jensen if (nvme_addr_is_pmr(n, addr) && nvme_addr_is_pmr(n, hi)) { 40288eea45cSKlaus Jensen memcpy(buf, nvme_addr_to_pmr(n, addr), size); 40388eea45cSKlaus Jensen return 0; 40488eea45cSKlaus Jensen } 40588eea45cSKlaus Jensen 40688eea45cSKlaus Jensen return pci_dma_read(&n->parent_obj, addr, buf, size); 40788eea45cSKlaus Jensen } 40888eea45cSKlaus Jensen 409e080ce86SPhilippe Mathieu-Daudé static int nvme_addr_write(NvmeCtrl *n, hwaddr addr, const void *buf, int size) 41088eea45cSKlaus Jensen { 41188eea45cSKlaus Jensen hwaddr hi = addr + size - 1; 41288eea45cSKlaus Jensen if (hi < addr) { 41388eea45cSKlaus Jensen return 1; 41488eea45cSKlaus Jensen } 41588eea45cSKlaus Jensen 41688eea45cSKlaus Jensen if (n->bar.cmbsz && nvme_addr_is_cmb(n, addr) && nvme_addr_is_cmb(n, hi)) { 41788eea45cSKlaus Jensen memcpy(nvme_addr_to_cmb(n, addr), buf, size); 41888eea45cSKlaus Jensen return 0; 41988eea45cSKlaus Jensen } 42088eea45cSKlaus Jensen 42188eea45cSKlaus Jensen if (nvme_addr_is_pmr(n, addr) && nvme_addr_is_pmr(n, hi)) { 42288eea45cSKlaus Jensen memcpy(nvme_addr_to_pmr(n, addr), buf, size); 42388eea45cSKlaus Jensen return 0; 42488eea45cSKlaus Jensen } 42588eea45cSKlaus Jensen 42688eea45cSKlaus Jensen return pci_dma_write(&n->parent_obj, addr, buf, size); 42788eea45cSKlaus Jensen } 42888eea45cSKlaus Jensen 42988eea45cSKlaus Jensen static bool nvme_nsid_valid(NvmeCtrl *n, uint32_t nsid) 43088eea45cSKlaus Jensen { 43188eea45cSKlaus Jensen return nsid && 43288eea45cSKlaus Jensen (nsid == NVME_NSID_BROADCAST || nsid <= NVME_MAX_NAMESPACES); 43388eea45cSKlaus Jensen } 43488eea45cSKlaus Jensen 43588eea45cSKlaus Jensen static int nvme_check_sqid(NvmeCtrl *n, uint16_t sqid) 43688eea45cSKlaus Jensen { 43788eea45cSKlaus Jensen return sqid < n->params.max_ioqpairs + 1 && n->sq[sqid] != NULL ? 0 : -1; 43888eea45cSKlaus Jensen } 43988eea45cSKlaus Jensen 44088eea45cSKlaus Jensen static int nvme_check_cqid(NvmeCtrl *n, uint16_t cqid) 44188eea45cSKlaus Jensen { 44288eea45cSKlaus Jensen return cqid < n->params.max_ioqpairs + 1 && n->cq[cqid] != NULL ? 0 : -1; 44388eea45cSKlaus Jensen } 44488eea45cSKlaus Jensen 44588eea45cSKlaus Jensen static void nvme_inc_cq_tail(NvmeCQueue *cq) 44688eea45cSKlaus Jensen { 44788eea45cSKlaus Jensen cq->tail++; 44888eea45cSKlaus Jensen if (cq->tail >= cq->size) { 44988eea45cSKlaus Jensen cq->tail = 0; 45088eea45cSKlaus Jensen cq->phase = !cq->phase; 45188eea45cSKlaus Jensen } 45288eea45cSKlaus Jensen } 45388eea45cSKlaus Jensen 45488eea45cSKlaus Jensen static void nvme_inc_sq_head(NvmeSQueue *sq) 45588eea45cSKlaus Jensen { 45688eea45cSKlaus Jensen sq->head = (sq->head + 1) % sq->size; 45788eea45cSKlaus Jensen } 45888eea45cSKlaus Jensen 45988eea45cSKlaus Jensen static uint8_t nvme_cq_full(NvmeCQueue *cq) 46088eea45cSKlaus Jensen { 46188eea45cSKlaus Jensen return (cq->tail + 1) % cq->size == cq->head; 46288eea45cSKlaus Jensen } 46388eea45cSKlaus Jensen 46488eea45cSKlaus Jensen static uint8_t nvme_sq_empty(NvmeSQueue *sq) 46588eea45cSKlaus Jensen { 46688eea45cSKlaus Jensen return sq->head == sq->tail; 46788eea45cSKlaus Jensen } 46888eea45cSKlaus Jensen 46988eea45cSKlaus Jensen static void nvme_irq_check(NvmeCtrl *n) 47088eea45cSKlaus Jensen { 47149e03457SKlaus Jensen uint32_t intms = ldl_le_p(&n->bar.intms); 47249e03457SKlaus Jensen 47388eea45cSKlaus Jensen if (msix_enabled(&(n->parent_obj))) { 47488eea45cSKlaus Jensen return; 47588eea45cSKlaus Jensen } 47649e03457SKlaus Jensen if (~intms & n->irq_status) { 47788eea45cSKlaus Jensen pci_irq_assert(&n->parent_obj); 47888eea45cSKlaus Jensen } else { 47988eea45cSKlaus Jensen pci_irq_deassert(&n->parent_obj); 48088eea45cSKlaus Jensen } 48188eea45cSKlaus Jensen } 48288eea45cSKlaus Jensen 48388eea45cSKlaus Jensen static void nvme_irq_assert(NvmeCtrl *n, NvmeCQueue *cq) 48488eea45cSKlaus Jensen { 48588eea45cSKlaus Jensen if (cq->irq_enabled) { 48688eea45cSKlaus Jensen if (msix_enabled(&(n->parent_obj))) { 48788eea45cSKlaus Jensen trace_pci_nvme_irq_msix(cq->vector); 48888eea45cSKlaus Jensen msix_notify(&(n->parent_obj), cq->vector); 48988eea45cSKlaus Jensen } else { 49088eea45cSKlaus Jensen trace_pci_nvme_irq_pin(); 49188eea45cSKlaus Jensen assert(cq->vector < 32); 49288eea45cSKlaus Jensen n->irq_status |= 1 << cq->vector; 49388eea45cSKlaus Jensen nvme_irq_check(n); 49488eea45cSKlaus Jensen } 49588eea45cSKlaus Jensen } else { 49688eea45cSKlaus Jensen trace_pci_nvme_irq_masked(); 49788eea45cSKlaus Jensen } 49888eea45cSKlaus Jensen } 49988eea45cSKlaus Jensen 50088eea45cSKlaus Jensen static void nvme_irq_deassert(NvmeCtrl *n, NvmeCQueue *cq) 50188eea45cSKlaus Jensen { 50288eea45cSKlaus Jensen if (cq->irq_enabled) { 50388eea45cSKlaus Jensen if (msix_enabled(&(n->parent_obj))) { 50488eea45cSKlaus Jensen return; 50588eea45cSKlaus Jensen } else { 50688eea45cSKlaus Jensen assert(cq->vector < 32); 50783d7ed5cSKlaus Jensen if (!n->cq_pending) { 50888eea45cSKlaus Jensen n->irq_status &= ~(1 << cq->vector); 50983d7ed5cSKlaus Jensen } 51088eea45cSKlaus Jensen nvme_irq_check(n); 51188eea45cSKlaus Jensen } 51288eea45cSKlaus Jensen } 51388eea45cSKlaus Jensen } 51488eea45cSKlaus Jensen 51588eea45cSKlaus Jensen static void nvme_req_clear(NvmeRequest *req) 51688eea45cSKlaus Jensen { 51788eea45cSKlaus Jensen req->ns = NULL; 51888eea45cSKlaus Jensen req->opaque = NULL; 51988eea45cSKlaus Jensen req->aiocb = NULL; 52088eea45cSKlaus Jensen memset(&req->cqe, 0x0, sizeof(req->cqe)); 52188eea45cSKlaus Jensen req->status = NVME_SUCCESS; 52288eea45cSKlaus Jensen } 52388eea45cSKlaus Jensen 52488eea45cSKlaus Jensen static inline void nvme_sg_init(NvmeCtrl *n, NvmeSg *sg, bool dma) 52588eea45cSKlaus Jensen { 52688eea45cSKlaus Jensen if (dma) { 52788eea45cSKlaus Jensen pci_dma_sglist_init(&sg->qsg, &n->parent_obj, 0); 52888eea45cSKlaus Jensen sg->flags = NVME_SG_DMA; 52988eea45cSKlaus Jensen } else { 53088eea45cSKlaus Jensen qemu_iovec_init(&sg->iov, 0); 53188eea45cSKlaus Jensen } 53288eea45cSKlaus Jensen 53388eea45cSKlaus Jensen sg->flags |= NVME_SG_ALLOC; 53488eea45cSKlaus Jensen } 53588eea45cSKlaus Jensen 53688eea45cSKlaus Jensen static inline void nvme_sg_unmap(NvmeSg *sg) 53788eea45cSKlaus Jensen { 53888eea45cSKlaus Jensen if (!(sg->flags & NVME_SG_ALLOC)) { 53988eea45cSKlaus Jensen return; 54088eea45cSKlaus Jensen } 54188eea45cSKlaus Jensen 54288eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 54388eea45cSKlaus Jensen qemu_sglist_destroy(&sg->qsg); 54488eea45cSKlaus Jensen } else { 54588eea45cSKlaus Jensen qemu_iovec_destroy(&sg->iov); 54688eea45cSKlaus Jensen } 54788eea45cSKlaus Jensen 54888eea45cSKlaus Jensen memset(sg, 0x0, sizeof(*sg)); 54988eea45cSKlaus Jensen } 55088eea45cSKlaus Jensen 55188eea45cSKlaus Jensen /* 55288eea45cSKlaus Jensen * When metadata is transfered as extended LBAs, the DPTR mapped into `sg` 55388eea45cSKlaus Jensen * holds both data and metadata. This function splits the data and metadata 55488eea45cSKlaus Jensen * into two separate QSG/IOVs. 55588eea45cSKlaus Jensen */ 55688eea45cSKlaus Jensen static void nvme_sg_split(NvmeSg *sg, NvmeNamespace *ns, NvmeSg *data, 55788eea45cSKlaus Jensen NvmeSg *mdata) 55888eea45cSKlaus Jensen { 55988eea45cSKlaus Jensen NvmeSg *dst = data; 56088eea45cSKlaus Jensen uint32_t trans_len, count = ns->lbasz; 56188eea45cSKlaus Jensen uint64_t offset = 0; 56288eea45cSKlaus Jensen bool dma = sg->flags & NVME_SG_DMA; 56388eea45cSKlaus Jensen size_t sge_len; 56488eea45cSKlaus Jensen size_t sg_len = dma ? sg->qsg.size : sg->iov.size; 56588eea45cSKlaus Jensen int sg_idx = 0; 56688eea45cSKlaus Jensen 56788eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 56888eea45cSKlaus Jensen 56988eea45cSKlaus Jensen while (sg_len) { 57088eea45cSKlaus Jensen sge_len = dma ? sg->qsg.sg[sg_idx].len : sg->iov.iov[sg_idx].iov_len; 57188eea45cSKlaus Jensen 57288eea45cSKlaus Jensen trans_len = MIN(sg_len, count); 57388eea45cSKlaus Jensen trans_len = MIN(trans_len, sge_len - offset); 57488eea45cSKlaus Jensen 57588eea45cSKlaus Jensen if (dst) { 57688eea45cSKlaus Jensen if (dma) { 57788eea45cSKlaus Jensen qemu_sglist_add(&dst->qsg, sg->qsg.sg[sg_idx].base + offset, 57888eea45cSKlaus Jensen trans_len); 57988eea45cSKlaus Jensen } else { 58088eea45cSKlaus Jensen qemu_iovec_add(&dst->iov, 58188eea45cSKlaus Jensen sg->iov.iov[sg_idx].iov_base + offset, 58288eea45cSKlaus Jensen trans_len); 58388eea45cSKlaus Jensen } 58488eea45cSKlaus Jensen } 58588eea45cSKlaus Jensen 58688eea45cSKlaus Jensen sg_len -= trans_len; 58788eea45cSKlaus Jensen count -= trans_len; 58888eea45cSKlaus Jensen offset += trans_len; 58988eea45cSKlaus Jensen 59088eea45cSKlaus Jensen if (count == 0) { 59188eea45cSKlaus Jensen dst = (dst == data) ? mdata : data; 59288eea45cSKlaus Jensen count = (dst == data) ? ns->lbasz : ns->lbaf.ms; 59388eea45cSKlaus Jensen } 59488eea45cSKlaus Jensen 59588eea45cSKlaus Jensen if (sge_len == offset) { 59688eea45cSKlaus Jensen offset = 0; 59788eea45cSKlaus Jensen sg_idx++; 59888eea45cSKlaus Jensen } 59988eea45cSKlaus Jensen } 60088eea45cSKlaus Jensen } 60188eea45cSKlaus Jensen 60288eea45cSKlaus Jensen static uint16_t nvme_map_addr_cmb(NvmeCtrl *n, QEMUIOVector *iov, hwaddr addr, 60388eea45cSKlaus Jensen size_t len) 60488eea45cSKlaus Jensen { 60588eea45cSKlaus Jensen if (!len) { 60688eea45cSKlaus Jensen return NVME_SUCCESS; 60788eea45cSKlaus Jensen } 60888eea45cSKlaus Jensen 60988eea45cSKlaus Jensen trace_pci_nvme_map_addr_cmb(addr, len); 61088eea45cSKlaus Jensen 61188eea45cSKlaus Jensen if (!nvme_addr_is_cmb(n, addr) || !nvme_addr_is_cmb(n, addr + len - 1)) { 61288eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 61388eea45cSKlaus Jensen } 61488eea45cSKlaus Jensen 61588eea45cSKlaus Jensen qemu_iovec_add(iov, nvme_addr_to_cmb(n, addr), len); 61688eea45cSKlaus Jensen 61788eea45cSKlaus Jensen return NVME_SUCCESS; 61888eea45cSKlaus Jensen } 61988eea45cSKlaus Jensen 62088eea45cSKlaus Jensen static uint16_t nvme_map_addr_pmr(NvmeCtrl *n, QEMUIOVector *iov, hwaddr addr, 62188eea45cSKlaus Jensen size_t len) 62288eea45cSKlaus Jensen { 62388eea45cSKlaus Jensen if (!len) { 62488eea45cSKlaus Jensen return NVME_SUCCESS; 62588eea45cSKlaus Jensen } 62688eea45cSKlaus Jensen 62788eea45cSKlaus Jensen if (!nvme_addr_is_pmr(n, addr) || !nvme_addr_is_pmr(n, addr + len - 1)) { 62888eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 62988eea45cSKlaus Jensen } 63088eea45cSKlaus Jensen 63188eea45cSKlaus Jensen qemu_iovec_add(iov, nvme_addr_to_pmr(n, addr), len); 63288eea45cSKlaus Jensen 63388eea45cSKlaus Jensen return NVME_SUCCESS; 63488eea45cSKlaus Jensen } 63588eea45cSKlaus Jensen 63688eea45cSKlaus Jensen static uint16_t nvme_map_addr(NvmeCtrl *n, NvmeSg *sg, hwaddr addr, size_t len) 63788eea45cSKlaus Jensen { 63888eea45cSKlaus Jensen bool cmb = false, pmr = false; 63988eea45cSKlaus Jensen 64088eea45cSKlaus Jensen if (!len) { 64188eea45cSKlaus Jensen return NVME_SUCCESS; 64288eea45cSKlaus Jensen } 64388eea45cSKlaus Jensen 64488eea45cSKlaus Jensen trace_pci_nvme_map_addr(addr, len); 64588eea45cSKlaus Jensen 646736b0164SKlaus Jensen if (nvme_addr_is_iomem(n, addr)) { 647736b0164SKlaus Jensen return NVME_DATA_TRAS_ERROR; 648736b0164SKlaus Jensen } 649736b0164SKlaus Jensen 65088eea45cSKlaus Jensen if (nvme_addr_is_cmb(n, addr)) { 65188eea45cSKlaus Jensen cmb = true; 65288eea45cSKlaus Jensen } else if (nvme_addr_is_pmr(n, addr)) { 65388eea45cSKlaus Jensen pmr = true; 65488eea45cSKlaus Jensen } 65588eea45cSKlaus Jensen 65688eea45cSKlaus Jensen if (cmb || pmr) { 65788eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 65888eea45cSKlaus Jensen return NVME_INVALID_USE_OF_CMB | NVME_DNR; 65988eea45cSKlaus Jensen } 66088eea45cSKlaus Jensen 66123421473SPadmakar Kalghatgi if (sg->iov.niov + 1 > IOV_MAX) { 66223421473SPadmakar Kalghatgi goto max_mappings_exceeded; 66323421473SPadmakar Kalghatgi } 66423421473SPadmakar Kalghatgi 66588eea45cSKlaus Jensen if (cmb) { 66688eea45cSKlaus Jensen return nvme_map_addr_cmb(n, &sg->iov, addr, len); 66788eea45cSKlaus Jensen } else { 66888eea45cSKlaus Jensen return nvme_map_addr_pmr(n, &sg->iov, addr, len); 66988eea45cSKlaus Jensen } 67088eea45cSKlaus Jensen } 67188eea45cSKlaus Jensen 67288eea45cSKlaus Jensen if (!(sg->flags & NVME_SG_DMA)) { 67388eea45cSKlaus Jensen return NVME_INVALID_USE_OF_CMB | NVME_DNR; 67488eea45cSKlaus Jensen } 67588eea45cSKlaus Jensen 67623421473SPadmakar Kalghatgi if (sg->qsg.nsg + 1 > IOV_MAX) { 67723421473SPadmakar Kalghatgi goto max_mappings_exceeded; 67823421473SPadmakar Kalghatgi } 67923421473SPadmakar Kalghatgi 68088eea45cSKlaus Jensen qemu_sglist_add(&sg->qsg, addr, len); 68188eea45cSKlaus Jensen 68288eea45cSKlaus Jensen return NVME_SUCCESS; 68323421473SPadmakar Kalghatgi 68423421473SPadmakar Kalghatgi max_mappings_exceeded: 68523421473SPadmakar Kalghatgi NVME_GUEST_ERR(pci_nvme_ub_too_many_mappings, 68623421473SPadmakar Kalghatgi "number of mappings exceed 1024"); 68723421473SPadmakar Kalghatgi return NVME_INTERNAL_DEV_ERROR | NVME_DNR; 68888eea45cSKlaus Jensen } 68988eea45cSKlaus Jensen 69088eea45cSKlaus Jensen static inline bool nvme_addr_is_dma(NvmeCtrl *n, hwaddr addr) 69188eea45cSKlaus Jensen { 69288eea45cSKlaus Jensen return !(nvme_addr_is_cmb(n, addr) || nvme_addr_is_pmr(n, addr)); 69388eea45cSKlaus Jensen } 69488eea45cSKlaus Jensen 69588eea45cSKlaus Jensen static uint16_t nvme_map_prp(NvmeCtrl *n, NvmeSg *sg, uint64_t prp1, 69688eea45cSKlaus Jensen uint64_t prp2, uint32_t len) 69788eea45cSKlaus Jensen { 69888eea45cSKlaus Jensen hwaddr trans_len = n->page_size - (prp1 % n->page_size); 69988eea45cSKlaus Jensen trans_len = MIN(len, trans_len); 70088eea45cSKlaus Jensen int num_prps = (len >> n->page_bits) + 1; 70188eea45cSKlaus Jensen uint16_t status; 70288eea45cSKlaus Jensen int ret; 70388eea45cSKlaus Jensen 70488eea45cSKlaus Jensen trace_pci_nvme_map_prp(trans_len, len, prp1, prp2, num_prps); 70588eea45cSKlaus Jensen 70688eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, prp1)); 70788eea45cSKlaus Jensen 70888eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp1, trans_len); 70988eea45cSKlaus Jensen if (status) { 71088eea45cSKlaus Jensen goto unmap; 71188eea45cSKlaus Jensen } 71288eea45cSKlaus Jensen 71388eea45cSKlaus Jensen len -= trans_len; 71488eea45cSKlaus Jensen if (len) { 71588eea45cSKlaus Jensen if (len > n->page_size) { 71688eea45cSKlaus Jensen uint64_t prp_list[n->max_prp_ents]; 71788eea45cSKlaus Jensen uint32_t nents, prp_trans; 71888eea45cSKlaus Jensen int i = 0; 71988eea45cSKlaus Jensen 72088eea45cSKlaus Jensen /* 72188eea45cSKlaus Jensen * The first PRP list entry, pointed to by PRP2 may contain offset. 72288eea45cSKlaus Jensen * Hence, we need to calculate the number of entries in based on 72388eea45cSKlaus Jensen * that offset. 72488eea45cSKlaus Jensen */ 72588eea45cSKlaus Jensen nents = (n->page_size - (prp2 & (n->page_size - 1))) >> 3; 72688eea45cSKlaus Jensen prp_trans = MIN(n->max_prp_ents, nents) * sizeof(uint64_t); 72788eea45cSKlaus Jensen ret = nvme_addr_read(n, prp2, (void *)prp_list, prp_trans); 72888eea45cSKlaus Jensen if (ret) { 72988eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(prp2); 73088eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 73188eea45cSKlaus Jensen goto unmap; 73288eea45cSKlaus Jensen } 73388eea45cSKlaus Jensen while (len != 0) { 73488eea45cSKlaus Jensen uint64_t prp_ent = le64_to_cpu(prp_list[i]); 73588eea45cSKlaus Jensen 73688eea45cSKlaus Jensen if (i == nents - 1 && len > n->page_size) { 73788eea45cSKlaus Jensen if (unlikely(prp_ent & (n->page_size - 1))) { 73888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prplist_ent(prp_ent); 73988eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 74088eea45cSKlaus Jensen goto unmap; 74188eea45cSKlaus Jensen } 74288eea45cSKlaus Jensen 74388eea45cSKlaus Jensen i = 0; 74488eea45cSKlaus Jensen nents = (len + n->page_size - 1) >> n->page_bits; 74588eea45cSKlaus Jensen nents = MIN(nents, n->max_prp_ents); 74688eea45cSKlaus Jensen prp_trans = nents * sizeof(uint64_t); 74788eea45cSKlaus Jensen ret = nvme_addr_read(n, prp_ent, (void *)prp_list, 74888eea45cSKlaus Jensen prp_trans); 74988eea45cSKlaus Jensen if (ret) { 75088eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(prp_ent); 75188eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 75288eea45cSKlaus Jensen goto unmap; 75388eea45cSKlaus Jensen } 75488eea45cSKlaus Jensen prp_ent = le64_to_cpu(prp_list[i]); 75588eea45cSKlaus Jensen } 75688eea45cSKlaus Jensen 75788eea45cSKlaus Jensen if (unlikely(prp_ent & (n->page_size - 1))) { 75888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prplist_ent(prp_ent); 75988eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 76088eea45cSKlaus Jensen goto unmap; 76188eea45cSKlaus Jensen } 76288eea45cSKlaus Jensen 76388eea45cSKlaus Jensen trans_len = MIN(len, n->page_size); 76488eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp_ent, trans_len); 76588eea45cSKlaus Jensen if (status) { 76688eea45cSKlaus Jensen goto unmap; 76788eea45cSKlaus Jensen } 76888eea45cSKlaus Jensen 76988eea45cSKlaus Jensen len -= trans_len; 77088eea45cSKlaus Jensen i++; 77188eea45cSKlaus Jensen } 77288eea45cSKlaus Jensen } else { 77388eea45cSKlaus Jensen if (unlikely(prp2 & (n->page_size - 1))) { 77488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prp2_align(prp2); 77588eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 77688eea45cSKlaus Jensen goto unmap; 77788eea45cSKlaus Jensen } 77888eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp2, len); 77988eea45cSKlaus Jensen if (status) { 78088eea45cSKlaus Jensen goto unmap; 78188eea45cSKlaus Jensen } 78288eea45cSKlaus Jensen } 78388eea45cSKlaus Jensen } 78488eea45cSKlaus Jensen 78588eea45cSKlaus Jensen return NVME_SUCCESS; 78688eea45cSKlaus Jensen 78788eea45cSKlaus Jensen unmap: 78888eea45cSKlaus Jensen nvme_sg_unmap(sg); 78988eea45cSKlaus Jensen return status; 79088eea45cSKlaus Jensen } 79188eea45cSKlaus Jensen 79288eea45cSKlaus Jensen /* 79388eea45cSKlaus Jensen * Map 'nsgld' data descriptors from 'segment'. The function will subtract the 79488eea45cSKlaus Jensen * number of bytes mapped in len. 79588eea45cSKlaus Jensen */ 79688eea45cSKlaus Jensen static uint16_t nvme_map_sgl_data(NvmeCtrl *n, NvmeSg *sg, 79788eea45cSKlaus Jensen NvmeSglDescriptor *segment, uint64_t nsgld, 79888eea45cSKlaus Jensen size_t *len, NvmeCmd *cmd) 79988eea45cSKlaus Jensen { 80088eea45cSKlaus Jensen dma_addr_t addr, trans_len; 80188eea45cSKlaus Jensen uint32_t dlen; 80288eea45cSKlaus Jensen uint16_t status; 80388eea45cSKlaus Jensen 80488eea45cSKlaus Jensen for (int i = 0; i < nsgld; i++) { 80588eea45cSKlaus Jensen uint8_t type = NVME_SGL_TYPE(segment[i].type); 80688eea45cSKlaus Jensen 80788eea45cSKlaus Jensen switch (type) { 80888eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_BIT_BUCKET: 80988eea45cSKlaus Jensen if (cmd->opcode == NVME_CMD_WRITE) { 81088eea45cSKlaus Jensen continue; 81188eea45cSKlaus Jensen } 81288eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_DATA_BLOCK: 81388eea45cSKlaus Jensen break; 81488eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_SEGMENT: 81588eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_LAST_SEGMENT: 81688eea45cSKlaus Jensen return NVME_INVALID_NUM_SGL_DESCRS | NVME_DNR; 81788eea45cSKlaus Jensen default: 81888eea45cSKlaus Jensen return NVME_SGL_DESCR_TYPE_INVALID | NVME_DNR; 81988eea45cSKlaus Jensen } 82088eea45cSKlaus Jensen 82188eea45cSKlaus Jensen dlen = le32_to_cpu(segment[i].len); 82288eea45cSKlaus Jensen 82388eea45cSKlaus Jensen if (!dlen) { 82488eea45cSKlaus Jensen continue; 82588eea45cSKlaus Jensen } 82688eea45cSKlaus Jensen 82788eea45cSKlaus Jensen if (*len == 0) { 82888eea45cSKlaus Jensen /* 82988eea45cSKlaus Jensen * All data has been mapped, but the SGL contains additional 83088eea45cSKlaus Jensen * segments and/or descriptors. The controller might accept 83188eea45cSKlaus Jensen * ignoring the rest of the SGL. 83288eea45cSKlaus Jensen */ 83388eea45cSKlaus Jensen uint32_t sgls = le32_to_cpu(n->id_ctrl.sgls); 83488eea45cSKlaus Jensen if (sgls & NVME_CTRL_SGLS_EXCESS_LENGTH) { 83588eea45cSKlaus Jensen break; 83688eea45cSKlaus Jensen } 83788eea45cSKlaus Jensen 83888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_sgl_excess_length(dlen); 83988eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 84088eea45cSKlaus Jensen } 84188eea45cSKlaus Jensen 84288eea45cSKlaus Jensen trans_len = MIN(*len, dlen); 84388eea45cSKlaus Jensen 84488eea45cSKlaus Jensen if (type == NVME_SGL_DESCR_TYPE_BIT_BUCKET) { 84588eea45cSKlaus Jensen goto next; 84688eea45cSKlaus Jensen } 84788eea45cSKlaus Jensen 84888eea45cSKlaus Jensen addr = le64_to_cpu(segment[i].addr); 84988eea45cSKlaus Jensen 85088eea45cSKlaus Jensen if (UINT64_MAX - addr < dlen) { 85188eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 85288eea45cSKlaus Jensen } 85388eea45cSKlaus Jensen 85488eea45cSKlaus Jensen status = nvme_map_addr(n, sg, addr, trans_len); 85588eea45cSKlaus Jensen if (status) { 85688eea45cSKlaus Jensen return status; 85788eea45cSKlaus Jensen } 85888eea45cSKlaus Jensen 85988eea45cSKlaus Jensen next: 86088eea45cSKlaus Jensen *len -= trans_len; 86188eea45cSKlaus Jensen } 86288eea45cSKlaus Jensen 86388eea45cSKlaus Jensen return NVME_SUCCESS; 86488eea45cSKlaus Jensen } 86588eea45cSKlaus Jensen 86688eea45cSKlaus Jensen static uint16_t nvme_map_sgl(NvmeCtrl *n, NvmeSg *sg, NvmeSglDescriptor sgl, 86788eea45cSKlaus Jensen size_t len, NvmeCmd *cmd) 86888eea45cSKlaus Jensen { 86988eea45cSKlaus Jensen /* 87088eea45cSKlaus Jensen * Read the segment in chunks of 256 descriptors (one 4k page) to avoid 87188eea45cSKlaus Jensen * dynamically allocating a potentially huge SGL. The spec allows the SGL 87288eea45cSKlaus Jensen * to be larger (as in number of bytes required to describe the SGL 87388eea45cSKlaus Jensen * descriptors and segment chain) than the command transfer size, so it is 87488eea45cSKlaus Jensen * not bounded by MDTS. 87588eea45cSKlaus Jensen */ 87688eea45cSKlaus Jensen const int SEG_CHUNK_SIZE = 256; 87788eea45cSKlaus Jensen 87888eea45cSKlaus Jensen NvmeSglDescriptor segment[SEG_CHUNK_SIZE], *sgld, *last_sgld; 87988eea45cSKlaus Jensen uint64_t nsgld; 88088eea45cSKlaus Jensen uint32_t seg_len; 88188eea45cSKlaus Jensen uint16_t status; 88288eea45cSKlaus Jensen hwaddr addr; 88388eea45cSKlaus Jensen int ret; 88488eea45cSKlaus Jensen 88588eea45cSKlaus Jensen sgld = &sgl; 88688eea45cSKlaus Jensen addr = le64_to_cpu(sgl.addr); 88788eea45cSKlaus Jensen 88888eea45cSKlaus Jensen trace_pci_nvme_map_sgl(NVME_SGL_TYPE(sgl.type), len); 88988eea45cSKlaus Jensen 89088eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, addr)); 89188eea45cSKlaus Jensen 89288eea45cSKlaus Jensen /* 89388eea45cSKlaus Jensen * If the entire transfer can be described with a single data block it can 89488eea45cSKlaus Jensen * be mapped directly. 89588eea45cSKlaus Jensen */ 89688eea45cSKlaus Jensen if (NVME_SGL_TYPE(sgl.type) == NVME_SGL_DESCR_TYPE_DATA_BLOCK) { 89788eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, sgld, 1, &len, cmd); 89888eea45cSKlaus Jensen if (status) { 89988eea45cSKlaus Jensen goto unmap; 90088eea45cSKlaus Jensen } 90188eea45cSKlaus Jensen 90288eea45cSKlaus Jensen goto out; 90388eea45cSKlaus Jensen } 90488eea45cSKlaus Jensen 90588eea45cSKlaus Jensen for (;;) { 90688eea45cSKlaus Jensen switch (NVME_SGL_TYPE(sgld->type)) { 90788eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_SEGMENT: 90888eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_LAST_SEGMENT: 90988eea45cSKlaus Jensen break; 91088eea45cSKlaus Jensen default: 91188eea45cSKlaus Jensen return NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 91288eea45cSKlaus Jensen } 91388eea45cSKlaus Jensen 91488eea45cSKlaus Jensen seg_len = le32_to_cpu(sgld->len); 91588eea45cSKlaus Jensen 91688eea45cSKlaus Jensen /* check the length of the (Last) Segment descriptor */ 91788eea45cSKlaus Jensen if ((!seg_len || seg_len & 0xf) && 91888eea45cSKlaus Jensen (NVME_SGL_TYPE(sgld->type) != NVME_SGL_DESCR_TYPE_BIT_BUCKET)) { 91988eea45cSKlaus Jensen return NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 92088eea45cSKlaus Jensen } 92188eea45cSKlaus Jensen 92288eea45cSKlaus Jensen if (UINT64_MAX - addr < seg_len) { 92388eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 92488eea45cSKlaus Jensen } 92588eea45cSKlaus Jensen 92688eea45cSKlaus Jensen nsgld = seg_len / sizeof(NvmeSglDescriptor); 92788eea45cSKlaus Jensen 92888eea45cSKlaus Jensen while (nsgld > SEG_CHUNK_SIZE) { 92988eea45cSKlaus Jensen if (nvme_addr_read(n, addr, segment, sizeof(segment))) { 93088eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 93188eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 93288eea45cSKlaus Jensen goto unmap; 93388eea45cSKlaus Jensen } 93488eea45cSKlaus Jensen 93588eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, SEG_CHUNK_SIZE, 93688eea45cSKlaus Jensen &len, cmd); 93788eea45cSKlaus Jensen if (status) { 93888eea45cSKlaus Jensen goto unmap; 93988eea45cSKlaus Jensen } 94088eea45cSKlaus Jensen 94188eea45cSKlaus Jensen nsgld -= SEG_CHUNK_SIZE; 94288eea45cSKlaus Jensen addr += SEG_CHUNK_SIZE * sizeof(NvmeSglDescriptor); 94388eea45cSKlaus Jensen } 94488eea45cSKlaus Jensen 94588eea45cSKlaus Jensen ret = nvme_addr_read(n, addr, segment, nsgld * 94688eea45cSKlaus Jensen sizeof(NvmeSglDescriptor)); 94788eea45cSKlaus Jensen if (ret) { 94888eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 94988eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 95088eea45cSKlaus Jensen goto unmap; 95188eea45cSKlaus Jensen } 95288eea45cSKlaus Jensen 95388eea45cSKlaus Jensen last_sgld = &segment[nsgld - 1]; 95488eea45cSKlaus Jensen 95588eea45cSKlaus Jensen /* 95688eea45cSKlaus Jensen * If the segment ends with a Data Block or Bit Bucket Descriptor Type, 95788eea45cSKlaus Jensen * then we are done. 95888eea45cSKlaus Jensen */ 95988eea45cSKlaus Jensen switch (NVME_SGL_TYPE(last_sgld->type)) { 96088eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_DATA_BLOCK: 96188eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_BIT_BUCKET: 96288eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, nsgld, &len, cmd); 96388eea45cSKlaus Jensen if (status) { 96488eea45cSKlaus Jensen goto unmap; 96588eea45cSKlaus Jensen } 96688eea45cSKlaus Jensen 96788eea45cSKlaus Jensen goto out; 96888eea45cSKlaus Jensen 96988eea45cSKlaus Jensen default: 97088eea45cSKlaus Jensen break; 97188eea45cSKlaus Jensen } 97288eea45cSKlaus Jensen 97388eea45cSKlaus Jensen /* 97488eea45cSKlaus Jensen * If the last descriptor was not a Data Block or Bit Bucket, then the 97588eea45cSKlaus Jensen * current segment must not be a Last Segment. 97688eea45cSKlaus Jensen */ 97788eea45cSKlaus Jensen if (NVME_SGL_TYPE(sgld->type) == NVME_SGL_DESCR_TYPE_LAST_SEGMENT) { 97888eea45cSKlaus Jensen status = NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 97988eea45cSKlaus Jensen goto unmap; 98088eea45cSKlaus Jensen } 98188eea45cSKlaus Jensen 98288eea45cSKlaus Jensen sgld = last_sgld; 98388eea45cSKlaus Jensen addr = le64_to_cpu(sgld->addr); 98488eea45cSKlaus Jensen 98588eea45cSKlaus Jensen /* 98688eea45cSKlaus Jensen * Do not map the last descriptor; it will be a Segment or Last Segment 98788eea45cSKlaus Jensen * descriptor and is handled by the next iteration. 98888eea45cSKlaus Jensen */ 98988eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, nsgld - 1, &len, cmd); 99088eea45cSKlaus Jensen if (status) { 99188eea45cSKlaus Jensen goto unmap; 99288eea45cSKlaus Jensen } 99388eea45cSKlaus Jensen } 99488eea45cSKlaus Jensen 99588eea45cSKlaus Jensen out: 99688eea45cSKlaus Jensen /* if there is any residual left in len, the SGL was too short */ 99788eea45cSKlaus Jensen if (len) { 99888eea45cSKlaus Jensen status = NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 99988eea45cSKlaus Jensen goto unmap; 100088eea45cSKlaus Jensen } 100188eea45cSKlaus Jensen 100288eea45cSKlaus Jensen return NVME_SUCCESS; 100388eea45cSKlaus Jensen 100488eea45cSKlaus Jensen unmap: 100588eea45cSKlaus Jensen nvme_sg_unmap(sg); 100688eea45cSKlaus Jensen return status; 100788eea45cSKlaus Jensen } 100888eea45cSKlaus Jensen 100988eea45cSKlaus Jensen uint16_t nvme_map_dptr(NvmeCtrl *n, NvmeSg *sg, size_t len, 101088eea45cSKlaus Jensen NvmeCmd *cmd) 101188eea45cSKlaus Jensen { 101288eea45cSKlaus Jensen uint64_t prp1, prp2; 101388eea45cSKlaus Jensen 101488eea45cSKlaus Jensen switch (NVME_CMD_FLAGS_PSDT(cmd->flags)) { 101588eea45cSKlaus Jensen case NVME_PSDT_PRP: 101688eea45cSKlaus Jensen prp1 = le64_to_cpu(cmd->dptr.prp1); 101788eea45cSKlaus Jensen prp2 = le64_to_cpu(cmd->dptr.prp2); 101888eea45cSKlaus Jensen 101988eea45cSKlaus Jensen return nvme_map_prp(n, sg, prp1, prp2, len); 102088eea45cSKlaus Jensen case NVME_PSDT_SGL_MPTR_CONTIGUOUS: 102188eea45cSKlaus Jensen case NVME_PSDT_SGL_MPTR_SGL: 102288eea45cSKlaus Jensen return nvme_map_sgl(n, sg, cmd->dptr.sgl, len, cmd); 102388eea45cSKlaus Jensen default: 102488eea45cSKlaus Jensen return NVME_INVALID_FIELD; 102588eea45cSKlaus Jensen } 102688eea45cSKlaus Jensen } 102788eea45cSKlaus Jensen 102888eea45cSKlaus Jensen static uint16_t nvme_map_mptr(NvmeCtrl *n, NvmeSg *sg, size_t len, 102988eea45cSKlaus Jensen NvmeCmd *cmd) 103088eea45cSKlaus Jensen { 103188eea45cSKlaus Jensen int psdt = NVME_CMD_FLAGS_PSDT(cmd->flags); 103288eea45cSKlaus Jensen hwaddr mptr = le64_to_cpu(cmd->mptr); 103388eea45cSKlaus Jensen uint16_t status; 103488eea45cSKlaus Jensen 103588eea45cSKlaus Jensen if (psdt == NVME_PSDT_SGL_MPTR_SGL) { 103688eea45cSKlaus Jensen NvmeSglDescriptor sgl; 103788eea45cSKlaus Jensen 103888eea45cSKlaus Jensen if (nvme_addr_read(n, mptr, &sgl, sizeof(sgl))) { 103988eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 104088eea45cSKlaus Jensen } 104188eea45cSKlaus Jensen 104288eea45cSKlaus Jensen status = nvme_map_sgl(n, sg, sgl, len, cmd); 104388eea45cSKlaus Jensen if (status && (status & 0x7ff) == NVME_DATA_SGL_LEN_INVALID) { 104488eea45cSKlaus Jensen status = NVME_MD_SGL_LEN_INVALID | NVME_DNR; 104588eea45cSKlaus Jensen } 104688eea45cSKlaus Jensen 104788eea45cSKlaus Jensen return status; 104888eea45cSKlaus Jensen } 104988eea45cSKlaus Jensen 105088eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, mptr)); 105188eea45cSKlaus Jensen status = nvme_map_addr(n, sg, mptr, len); 105288eea45cSKlaus Jensen if (status) { 105388eea45cSKlaus Jensen nvme_sg_unmap(sg); 105488eea45cSKlaus Jensen } 105588eea45cSKlaus Jensen 105688eea45cSKlaus Jensen return status; 105788eea45cSKlaus Jensen } 105888eea45cSKlaus Jensen 105988eea45cSKlaus Jensen static uint16_t nvme_map_data(NvmeCtrl *n, uint32_t nlb, NvmeRequest *req) 106088eea45cSKlaus Jensen { 106188eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 106288eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 10632a132309SKlaus Jensen bool pi = !!NVME_ID_NS_DPS_TYPE(ns->id_ns.dps); 10642a132309SKlaus Jensen bool pract = !!(le16_to_cpu(rw->control) & NVME_RW_PRINFO_PRACT); 106588eea45cSKlaus Jensen size_t len = nvme_l2b(ns, nlb); 106688eea45cSKlaus Jensen uint16_t status; 106788eea45cSKlaus Jensen 10682a132309SKlaus Jensen if (nvme_ns_ext(ns) && !(pi && pract && ns->lbaf.ms == 8)) { 106988eea45cSKlaus Jensen NvmeSg sg; 107088eea45cSKlaus Jensen 107188eea45cSKlaus Jensen len += nvme_m2b(ns, nlb); 107288eea45cSKlaus Jensen 107388eea45cSKlaus Jensen status = nvme_map_dptr(n, &sg, len, &req->cmd); 107488eea45cSKlaus Jensen if (status) { 107588eea45cSKlaus Jensen return status; 107688eea45cSKlaus Jensen } 107788eea45cSKlaus Jensen 107888eea45cSKlaus Jensen nvme_sg_init(n, &req->sg, sg.flags & NVME_SG_DMA); 107988eea45cSKlaus Jensen nvme_sg_split(&sg, ns, &req->sg, NULL); 108088eea45cSKlaus Jensen nvme_sg_unmap(&sg); 108188eea45cSKlaus Jensen 108288eea45cSKlaus Jensen return NVME_SUCCESS; 108388eea45cSKlaus Jensen } 108488eea45cSKlaus Jensen 108588eea45cSKlaus Jensen return nvme_map_dptr(n, &req->sg, len, &req->cmd); 108688eea45cSKlaus Jensen } 108788eea45cSKlaus Jensen 108888eea45cSKlaus Jensen static uint16_t nvme_map_mdata(NvmeCtrl *n, uint32_t nlb, NvmeRequest *req) 108988eea45cSKlaus Jensen { 109088eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 109188eea45cSKlaus Jensen size_t len = nvme_m2b(ns, nlb); 109288eea45cSKlaus Jensen uint16_t status; 109388eea45cSKlaus Jensen 109488eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 109588eea45cSKlaus Jensen NvmeSg sg; 109688eea45cSKlaus Jensen 109788eea45cSKlaus Jensen len += nvme_l2b(ns, nlb); 109888eea45cSKlaus Jensen 109988eea45cSKlaus Jensen status = nvme_map_dptr(n, &sg, len, &req->cmd); 110088eea45cSKlaus Jensen if (status) { 110188eea45cSKlaus Jensen return status; 110288eea45cSKlaus Jensen } 110388eea45cSKlaus Jensen 110488eea45cSKlaus Jensen nvme_sg_init(n, &req->sg, sg.flags & NVME_SG_DMA); 110588eea45cSKlaus Jensen nvme_sg_split(&sg, ns, NULL, &req->sg); 110688eea45cSKlaus Jensen nvme_sg_unmap(&sg); 110788eea45cSKlaus Jensen 110888eea45cSKlaus Jensen return NVME_SUCCESS; 110988eea45cSKlaus Jensen } 111088eea45cSKlaus Jensen 111188eea45cSKlaus Jensen return nvme_map_mptr(n, &req->sg, len, &req->cmd); 111288eea45cSKlaus Jensen } 111388eea45cSKlaus Jensen 111488eea45cSKlaus Jensen static uint16_t nvme_tx_interleaved(NvmeCtrl *n, NvmeSg *sg, uint8_t *ptr, 111588eea45cSKlaus Jensen uint32_t len, uint32_t bytes, 111688eea45cSKlaus Jensen int32_t skip_bytes, int64_t offset, 111788eea45cSKlaus Jensen NvmeTxDirection dir) 111888eea45cSKlaus Jensen { 111988eea45cSKlaus Jensen hwaddr addr; 112088eea45cSKlaus Jensen uint32_t trans_len, count = bytes; 112188eea45cSKlaus Jensen bool dma = sg->flags & NVME_SG_DMA; 112288eea45cSKlaus Jensen int64_t sge_len; 112388eea45cSKlaus Jensen int sg_idx = 0; 112488eea45cSKlaus Jensen int ret; 112588eea45cSKlaus Jensen 112688eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 112788eea45cSKlaus Jensen 112888eea45cSKlaus Jensen while (len) { 112988eea45cSKlaus Jensen sge_len = dma ? sg->qsg.sg[sg_idx].len : sg->iov.iov[sg_idx].iov_len; 113088eea45cSKlaus Jensen 113188eea45cSKlaus Jensen if (sge_len - offset < 0) { 113288eea45cSKlaus Jensen offset -= sge_len; 113388eea45cSKlaus Jensen sg_idx++; 113488eea45cSKlaus Jensen continue; 113588eea45cSKlaus Jensen } 113688eea45cSKlaus Jensen 113788eea45cSKlaus Jensen if (sge_len == offset) { 113888eea45cSKlaus Jensen offset = 0; 113988eea45cSKlaus Jensen sg_idx++; 114088eea45cSKlaus Jensen continue; 114188eea45cSKlaus Jensen } 114288eea45cSKlaus Jensen 114388eea45cSKlaus Jensen trans_len = MIN(len, count); 114488eea45cSKlaus Jensen trans_len = MIN(trans_len, sge_len - offset); 114588eea45cSKlaus Jensen 114688eea45cSKlaus Jensen if (dma) { 114788eea45cSKlaus Jensen addr = sg->qsg.sg[sg_idx].base + offset; 114888eea45cSKlaus Jensen } else { 114988eea45cSKlaus Jensen addr = (hwaddr)(uintptr_t)sg->iov.iov[sg_idx].iov_base + offset; 115088eea45cSKlaus Jensen } 115188eea45cSKlaus Jensen 115288eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 115388eea45cSKlaus Jensen ret = nvme_addr_read(n, addr, ptr, trans_len); 115488eea45cSKlaus Jensen } else { 115588eea45cSKlaus Jensen ret = nvme_addr_write(n, addr, ptr, trans_len); 115688eea45cSKlaus Jensen } 115788eea45cSKlaus Jensen 115888eea45cSKlaus Jensen if (ret) { 115988eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 116088eea45cSKlaus Jensen } 116188eea45cSKlaus Jensen 116288eea45cSKlaus Jensen ptr += trans_len; 116388eea45cSKlaus Jensen len -= trans_len; 116488eea45cSKlaus Jensen count -= trans_len; 116588eea45cSKlaus Jensen offset += trans_len; 116688eea45cSKlaus Jensen 116788eea45cSKlaus Jensen if (count == 0) { 116888eea45cSKlaus Jensen count = bytes; 116988eea45cSKlaus Jensen offset += skip_bytes; 117088eea45cSKlaus Jensen } 117188eea45cSKlaus Jensen } 117288eea45cSKlaus Jensen 117388eea45cSKlaus Jensen return NVME_SUCCESS; 117488eea45cSKlaus Jensen } 117588eea45cSKlaus Jensen 11768d3a17beSPhilippe Mathieu-Daudé static uint16_t nvme_tx(NvmeCtrl *n, NvmeSg *sg, void *ptr, uint32_t len, 117788eea45cSKlaus Jensen NvmeTxDirection dir) 117888eea45cSKlaus Jensen { 117988eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 118088eea45cSKlaus Jensen 118188eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 1182392e48afSPhilippe Mathieu-Daudé const MemTxAttrs attrs = MEMTXATTRS_UNSPECIFIED; 1183bfa30f39SPhilippe Mathieu-Daudé dma_addr_t residual; 118488eea45cSKlaus Jensen 118588eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 1186f02b664aSPhilippe Mathieu-Daudé dma_buf_write(ptr, len, &residual, &sg->qsg, attrs); 118788eea45cSKlaus Jensen } else { 1188f02b664aSPhilippe Mathieu-Daudé dma_buf_read(ptr, len, &residual, &sg->qsg, attrs); 118988eea45cSKlaus Jensen } 119088eea45cSKlaus Jensen 119188eea45cSKlaus Jensen if (unlikely(residual)) { 119288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_dma(); 119388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 119488eea45cSKlaus Jensen } 119588eea45cSKlaus Jensen } else { 119688eea45cSKlaus Jensen size_t bytes; 119788eea45cSKlaus Jensen 119888eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 119988eea45cSKlaus Jensen bytes = qemu_iovec_to_buf(&sg->iov, 0, ptr, len); 120088eea45cSKlaus Jensen } else { 120188eea45cSKlaus Jensen bytes = qemu_iovec_from_buf(&sg->iov, 0, ptr, len); 120288eea45cSKlaus Jensen } 120388eea45cSKlaus Jensen 120488eea45cSKlaus Jensen if (unlikely(bytes != len)) { 120588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_dma(); 120688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 120788eea45cSKlaus Jensen } 120888eea45cSKlaus Jensen } 120988eea45cSKlaus Jensen 121088eea45cSKlaus Jensen return NVME_SUCCESS; 121188eea45cSKlaus Jensen } 121288eea45cSKlaus Jensen 12138d3a17beSPhilippe Mathieu-Daudé static inline uint16_t nvme_c2h(NvmeCtrl *n, void *ptr, uint32_t len, 121488eea45cSKlaus Jensen NvmeRequest *req) 121588eea45cSKlaus Jensen { 121688eea45cSKlaus Jensen uint16_t status; 121788eea45cSKlaus Jensen 121888eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 121988eea45cSKlaus Jensen if (status) { 122088eea45cSKlaus Jensen return status; 122188eea45cSKlaus Jensen } 122288eea45cSKlaus Jensen 122388eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, NVME_TX_DIRECTION_FROM_DEVICE); 122488eea45cSKlaus Jensen } 122588eea45cSKlaus Jensen 12268d3a17beSPhilippe Mathieu-Daudé static inline uint16_t nvme_h2c(NvmeCtrl *n, void *ptr, uint32_t len, 122788eea45cSKlaus Jensen NvmeRequest *req) 122888eea45cSKlaus Jensen { 122988eea45cSKlaus Jensen uint16_t status; 123088eea45cSKlaus Jensen 123188eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 123288eea45cSKlaus Jensen if (status) { 123388eea45cSKlaus Jensen return status; 123488eea45cSKlaus Jensen } 123588eea45cSKlaus Jensen 123688eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, NVME_TX_DIRECTION_TO_DEVICE); 123788eea45cSKlaus Jensen } 123888eea45cSKlaus Jensen 12398d3a17beSPhilippe Mathieu-Daudé uint16_t nvme_bounce_data(NvmeCtrl *n, void *ptr, uint32_t len, 124088eea45cSKlaus Jensen NvmeTxDirection dir, NvmeRequest *req) 124188eea45cSKlaus Jensen { 124288eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 124388eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 12442a132309SKlaus Jensen bool pi = !!NVME_ID_NS_DPS_TYPE(ns->id_ns.dps); 12452a132309SKlaus Jensen bool pract = !!(le16_to_cpu(rw->control) & NVME_RW_PRINFO_PRACT); 124688eea45cSKlaus Jensen 12472a132309SKlaus Jensen if (nvme_ns_ext(ns) && !(pi && pract && ns->lbaf.ms == 8)) { 124888eea45cSKlaus Jensen return nvme_tx_interleaved(n, &req->sg, ptr, len, ns->lbasz, 124988eea45cSKlaus Jensen ns->lbaf.ms, 0, dir); 125088eea45cSKlaus Jensen } 125188eea45cSKlaus Jensen 125288eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, dir); 125388eea45cSKlaus Jensen } 125488eea45cSKlaus Jensen 12558d3a17beSPhilippe Mathieu-Daudé uint16_t nvme_bounce_mdata(NvmeCtrl *n, void *ptr, uint32_t len, 125688eea45cSKlaus Jensen NvmeTxDirection dir, NvmeRequest *req) 125788eea45cSKlaus Jensen { 125888eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 125988eea45cSKlaus Jensen uint16_t status; 126088eea45cSKlaus Jensen 126188eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 126288eea45cSKlaus Jensen return nvme_tx_interleaved(n, &req->sg, ptr, len, ns->lbaf.ms, 126388eea45cSKlaus Jensen ns->lbasz, ns->lbasz, dir); 126488eea45cSKlaus Jensen } 126588eea45cSKlaus Jensen 126688eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 126788eea45cSKlaus Jensen 126888eea45cSKlaus Jensen status = nvme_map_mptr(n, &req->sg, len, &req->cmd); 126988eea45cSKlaus Jensen if (status) { 127088eea45cSKlaus Jensen return status; 127188eea45cSKlaus Jensen } 127288eea45cSKlaus Jensen 127388eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, dir); 127488eea45cSKlaus Jensen } 127588eea45cSKlaus Jensen 127688eea45cSKlaus Jensen static inline void nvme_blk_read(BlockBackend *blk, int64_t offset, 127788eea45cSKlaus Jensen BlockCompletionFunc *cb, NvmeRequest *req) 127888eea45cSKlaus Jensen { 127988eea45cSKlaus Jensen assert(req->sg.flags & NVME_SG_ALLOC); 128088eea45cSKlaus Jensen 128188eea45cSKlaus Jensen if (req->sg.flags & NVME_SG_DMA) { 128288eea45cSKlaus Jensen req->aiocb = dma_blk_read(blk, &req->sg.qsg, offset, BDRV_SECTOR_SIZE, 128388eea45cSKlaus Jensen cb, req); 128488eea45cSKlaus Jensen } else { 128588eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &req->sg.iov, 0, cb, req); 128688eea45cSKlaus Jensen } 128788eea45cSKlaus Jensen } 128888eea45cSKlaus Jensen 128988eea45cSKlaus Jensen static inline void nvme_blk_write(BlockBackend *blk, int64_t offset, 129088eea45cSKlaus Jensen BlockCompletionFunc *cb, NvmeRequest *req) 129188eea45cSKlaus Jensen { 129288eea45cSKlaus Jensen assert(req->sg.flags & NVME_SG_ALLOC); 129388eea45cSKlaus Jensen 129488eea45cSKlaus Jensen if (req->sg.flags & NVME_SG_DMA) { 129588eea45cSKlaus Jensen req->aiocb = dma_blk_write(blk, &req->sg.qsg, offset, BDRV_SECTOR_SIZE, 129688eea45cSKlaus Jensen cb, req); 129788eea45cSKlaus Jensen } else { 129888eea45cSKlaus Jensen req->aiocb = blk_aio_pwritev(blk, offset, &req->sg.iov, 0, cb, req); 129988eea45cSKlaus Jensen } 130088eea45cSKlaus Jensen } 130188eea45cSKlaus Jensen 130288eea45cSKlaus Jensen static void nvme_post_cqes(void *opaque) 130388eea45cSKlaus Jensen { 130488eea45cSKlaus Jensen NvmeCQueue *cq = opaque; 130588eea45cSKlaus Jensen NvmeCtrl *n = cq->ctrl; 130688eea45cSKlaus Jensen NvmeRequest *req, *next; 130783d7ed5cSKlaus Jensen bool pending = cq->head != cq->tail; 130888eea45cSKlaus Jensen int ret; 130988eea45cSKlaus Jensen 131088eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(req, &cq->req_list, entry, next) { 131188eea45cSKlaus Jensen NvmeSQueue *sq; 131288eea45cSKlaus Jensen hwaddr addr; 131388eea45cSKlaus Jensen 131488eea45cSKlaus Jensen if (nvme_cq_full(cq)) { 131588eea45cSKlaus Jensen break; 131688eea45cSKlaus Jensen } 131788eea45cSKlaus Jensen 131888eea45cSKlaus Jensen sq = req->sq; 131988eea45cSKlaus Jensen req->cqe.status = cpu_to_le16((req->status << 1) | cq->phase); 132088eea45cSKlaus Jensen req->cqe.sq_id = cpu_to_le16(sq->sqid); 132188eea45cSKlaus Jensen req->cqe.sq_head = cpu_to_le16(sq->head); 132288eea45cSKlaus Jensen addr = cq->dma_addr + cq->tail * n->cqe_size; 132388eea45cSKlaus Jensen ret = pci_dma_write(&n->parent_obj, addr, (void *)&req->cqe, 132488eea45cSKlaus Jensen sizeof(req->cqe)); 132588eea45cSKlaus Jensen if (ret) { 132688eea45cSKlaus Jensen trace_pci_nvme_err_addr_write(addr); 132788eea45cSKlaus Jensen trace_pci_nvme_err_cfs(); 132849e03457SKlaus Jensen stl_le_p(&n->bar.csts, NVME_CSTS_FAILED); 132988eea45cSKlaus Jensen break; 133088eea45cSKlaus Jensen } 133188eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->req_list, req, entry); 133288eea45cSKlaus Jensen nvme_inc_cq_tail(cq); 133388eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 133488eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->req_list, req, entry); 133588eea45cSKlaus Jensen } 133688eea45cSKlaus Jensen if (cq->tail != cq->head) { 133783d7ed5cSKlaus Jensen if (cq->irq_enabled && !pending) { 133883d7ed5cSKlaus Jensen n->cq_pending++; 133983d7ed5cSKlaus Jensen } 134083d7ed5cSKlaus Jensen 134188eea45cSKlaus Jensen nvme_irq_assert(n, cq); 134288eea45cSKlaus Jensen } 134388eea45cSKlaus Jensen } 134488eea45cSKlaus Jensen 134588eea45cSKlaus Jensen static void nvme_enqueue_req_completion(NvmeCQueue *cq, NvmeRequest *req) 134688eea45cSKlaus Jensen { 134788eea45cSKlaus Jensen assert(cq->cqid == req->sq->cqid); 134888eea45cSKlaus Jensen trace_pci_nvme_enqueue_req_completion(nvme_cid(req), cq->cqid, 1349f1c97407SKlaus Jensen le32_to_cpu(req->cqe.result), 1350f1c97407SKlaus Jensen le32_to_cpu(req->cqe.dw1), 135188eea45cSKlaus Jensen req->status); 135288eea45cSKlaus Jensen 135388eea45cSKlaus Jensen if (req->status) { 135488eea45cSKlaus Jensen trace_pci_nvme_err_req_status(nvme_cid(req), nvme_nsid(req->ns), 135588eea45cSKlaus Jensen req->status, req->cmd.opcode); 135688eea45cSKlaus Jensen } 135788eea45cSKlaus Jensen 135888eea45cSKlaus Jensen QTAILQ_REMOVE(&req->sq->out_req_list, req, entry); 135988eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&cq->req_list, req, entry); 136088eea45cSKlaus Jensen timer_mod(cq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); 136188eea45cSKlaus Jensen } 136288eea45cSKlaus Jensen 136388eea45cSKlaus Jensen static void nvme_process_aers(void *opaque) 136488eea45cSKlaus Jensen { 136588eea45cSKlaus Jensen NvmeCtrl *n = opaque; 136688eea45cSKlaus Jensen NvmeAsyncEvent *event, *next; 136788eea45cSKlaus Jensen 136888eea45cSKlaus Jensen trace_pci_nvme_process_aers(n->aer_queued); 136988eea45cSKlaus Jensen 137088eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(event, &n->aer_queue, entry, next) { 137188eea45cSKlaus Jensen NvmeRequest *req; 137288eea45cSKlaus Jensen NvmeAerResult *result; 137388eea45cSKlaus Jensen 137488eea45cSKlaus Jensen /* can't post cqe if there is nothing to complete */ 137588eea45cSKlaus Jensen if (!n->outstanding_aers) { 137688eea45cSKlaus Jensen trace_pci_nvme_no_outstanding_aers(); 137788eea45cSKlaus Jensen break; 137888eea45cSKlaus Jensen } 137988eea45cSKlaus Jensen 138088eea45cSKlaus Jensen /* ignore if masked (cqe posted, but event not cleared) */ 138188eea45cSKlaus Jensen if (n->aer_mask & (1 << event->result.event_type)) { 138288eea45cSKlaus Jensen trace_pci_nvme_aer_masked(event->result.event_type, n->aer_mask); 138388eea45cSKlaus Jensen continue; 138488eea45cSKlaus Jensen } 138588eea45cSKlaus Jensen 138688eea45cSKlaus Jensen QTAILQ_REMOVE(&n->aer_queue, event, entry); 138788eea45cSKlaus Jensen n->aer_queued--; 138888eea45cSKlaus Jensen 138988eea45cSKlaus Jensen n->aer_mask |= 1 << event->result.event_type; 139088eea45cSKlaus Jensen n->outstanding_aers--; 139188eea45cSKlaus Jensen 139288eea45cSKlaus Jensen req = n->aer_reqs[n->outstanding_aers]; 139388eea45cSKlaus Jensen 139488eea45cSKlaus Jensen result = (NvmeAerResult *) &req->cqe.result; 139588eea45cSKlaus Jensen result->event_type = event->result.event_type; 139688eea45cSKlaus Jensen result->event_info = event->result.event_info; 139788eea45cSKlaus Jensen result->log_page = event->result.log_page; 139888eea45cSKlaus Jensen g_free(event); 139988eea45cSKlaus Jensen 140088eea45cSKlaus Jensen trace_pci_nvme_aer_post_cqe(result->event_type, result->event_info, 140188eea45cSKlaus Jensen result->log_page); 140288eea45cSKlaus Jensen 140388eea45cSKlaus Jensen nvme_enqueue_req_completion(&n->admin_cq, req); 140488eea45cSKlaus Jensen } 140588eea45cSKlaus Jensen } 140688eea45cSKlaus Jensen 140788eea45cSKlaus Jensen static void nvme_enqueue_event(NvmeCtrl *n, uint8_t event_type, 140888eea45cSKlaus Jensen uint8_t event_info, uint8_t log_page) 140988eea45cSKlaus Jensen { 141088eea45cSKlaus Jensen NvmeAsyncEvent *event; 141188eea45cSKlaus Jensen 141288eea45cSKlaus Jensen trace_pci_nvme_enqueue_event(event_type, event_info, log_page); 141388eea45cSKlaus Jensen 141488eea45cSKlaus Jensen if (n->aer_queued == n->params.aer_max_queued) { 141588eea45cSKlaus Jensen trace_pci_nvme_enqueue_event_noqueue(n->aer_queued); 141688eea45cSKlaus Jensen return; 141788eea45cSKlaus Jensen } 141888eea45cSKlaus Jensen 141988eea45cSKlaus Jensen event = g_new(NvmeAsyncEvent, 1); 142088eea45cSKlaus Jensen event->result = (NvmeAerResult) { 142188eea45cSKlaus Jensen .event_type = event_type, 142288eea45cSKlaus Jensen .event_info = event_info, 142388eea45cSKlaus Jensen .log_page = log_page, 142488eea45cSKlaus Jensen }; 142588eea45cSKlaus Jensen 142688eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&n->aer_queue, event, entry); 142788eea45cSKlaus Jensen n->aer_queued++; 142888eea45cSKlaus Jensen 142988eea45cSKlaus Jensen nvme_process_aers(n); 143088eea45cSKlaus Jensen } 143188eea45cSKlaus Jensen 143288eea45cSKlaus Jensen static void nvme_smart_event(NvmeCtrl *n, uint8_t event) 143388eea45cSKlaus Jensen { 143488eea45cSKlaus Jensen uint8_t aer_info; 143588eea45cSKlaus Jensen 143688eea45cSKlaus Jensen /* Ref SPEC <Asynchronous Event Information 0x2013 SMART / Health Status> */ 143788eea45cSKlaus Jensen if (!(NVME_AEC_SMART(n->features.async_config) & event)) { 143888eea45cSKlaus Jensen return; 143988eea45cSKlaus Jensen } 144088eea45cSKlaus Jensen 144188eea45cSKlaus Jensen switch (event) { 144288eea45cSKlaus Jensen case NVME_SMART_SPARE: 144388eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_SPARE_THRESH; 144488eea45cSKlaus Jensen break; 144588eea45cSKlaus Jensen case NVME_SMART_TEMPERATURE: 144688eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_TEMP_THRESH; 144788eea45cSKlaus Jensen break; 144888eea45cSKlaus Jensen case NVME_SMART_RELIABILITY: 144988eea45cSKlaus Jensen case NVME_SMART_MEDIA_READ_ONLY: 145088eea45cSKlaus Jensen case NVME_SMART_FAILED_VOLATILE_MEDIA: 145188eea45cSKlaus Jensen case NVME_SMART_PMR_UNRELIABLE: 145288eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_RELIABILITY; 145388eea45cSKlaus Jensen break; 145488eea45cSKlaus Jensen default: 145588eea45cSKlaus Jensen return; 145688eea45cSKlaus Jensen } 145788eea45cSKlaus Jensen 145888eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_SMART, aer_info, NVME_LOG_SMART_INFO); 145988eea45cSKlaus Jensen } 146088eea45cSKlaus Jensen 146188eea45cSKlaus Jensen static void nvme_clear_events(NvmeCtrl *n, uint8_t event_type) 146288eea45cSKlaus Jensen { 146388eea45cSKlaus Jensen n->aer_mask &= ~(1 << event_type); 146488eea45cSKlaus Jensen if (!QTAILQ_EMPTY(&n->aer_queue)) { 146588eea45cSKlaus Jensen nvme_process_aers(n); 146688eea45cSKlaus Jensen } 146788eea45cSKlaus Jensen } 146888eea45cSKlaus Jensen 146988eea45cSKlaus Jensen static inline uint16_t nvme_check_mdts(NvmeCtrl *n, size_t len) 147088eea45cSKlaus Jensen { 147188eea45cSKlaus Jensen uint8_t mdts = n->params.mdts; 147288eea45cSKlaus Jensen 147388eea45cSKlaus Jensen if (mdts && len > n->page_size << mdts) { 147488eea45cSKlaus Jensen trace_pci_nvme_err_mdts(len); 147588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 147688eea45cSKlaus Jensen } 147788eea45cSKlaus Jensen 147888eea45cSKlaus Jensen return NVME_SUCCESS; 147988eea45cSKlaus Jensen } 148088eea45cSKlaus Jensen 148188eea45cSKlaus Jensen static inline uint16_t nvme_check_bounds(NvmeNamespace *ns, uint64_t slba, 148288eea45cSKlaus Jensen uint32_t nlb) 148388eea45cSKlaus Jensen { 148488eea45cSKlaus Jensen uint64_t nsze = le64_to_cpu(ns->id_ns.nsze); 148588eea45cSKlaus Jensen 148688eea45cSKlaus Jensen if (unlikely(UINT64_MAX - slba < nlb || slba + nlb > nsze)) { 148788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(slba, nlb, nsze); 148888eea45cSKlaus Jensen return NVME_LBA_RANGE | NVME_DNR; 148988eea45cSKlaus Jensen } 149088eea45cSKlaus Jensen 149188eea45cSKlaus Jensen return NVME_SUCCESS; 149288eea45cSKlaus Jensen } 149388eea45cSKlaus Jensen 1494ff0ac2c8SKlaus Jensen static int nvme_block_status_all(NvmeNamespace *ns, uint64_t slba, 1495ff0ac2c8SKlaus Jensen uint32_t nlb, int flags) 149688eea45cSKlaus Jensen { 149788eea45cSKlaus Jensen BlockDriverState *bs = blk_bs(ns->blkconf.blk); 149888eea45cSKlaus Jensen 149988eea45cSKlaus Jensen int64_t pnum = 0, bytes = nvme_l2b(ns, nlb); 150088eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 150188eea45cSKlaus Jensen int ret; 150288eea45cSKlaus Jensen 150388eea45cSKlaus Jensen /* 150488eea45cSKlaus Jensen * `pnum` holds the number of bytes after offset that shares the same 150588eea45cSKlaus Jensen * allocation status as the byte at offset. If `pnum` is different from 150688eea45cSKlaus Jensen * `bytes`, we should check the allocation status of the next range and 150788eea45cSKlaus Jensen * continue this until all bytes have been checked. 150888eea45cSKlaus Jensen */ 150988eea45cSKlaus Jensen do { 151088eea45cSKlaus Jensen bytes -= pnum; 151188eea45cSKlaus Jensen 151288eea45cSKlaus Jensen ret = bdrv_block_status(bs, offset, bytes, &pnum, NULL, NULL); 151388eea45cSKlaus Jensen if (ret < 0) { 1514ff0ac2c8SKlaus Jensen return ret; 151588eea45cSKlaus Jensen } 151688eea45cSKlaus Jensen 151788eea45cSKlaus Jensen 1518ff0ac2c8SKlaus Jensen trace_pci_nvme_block_status(offset, bytes, pnum, ret, 1519ff0ac2c8SKlaus Jensen !!(ret & BDRV_BLOCK_ZERO)); 152088eea45cSKlaus Jensen 1521ff0ac2c8SKlaus Jensen if (!(ret & flags)) { 1522ff0ac2c8SKlaus Jensen return 1; 152388eea45cSKlaus Jensen } 152488eea45cSKlaus Jensen 152588eea45cSKlaus Jensen offset += pnum; 152688eea45cSKlaus Jensen } while (pnum != bytes); 152788eea45cSKlaus Jensen 1528ff0ac2c8SKlaus Jensen return 0; 1529ff0ac2c8SKlaus Jensen } 1530ff0ac2c8SKlaus Jensen 1531ff0ac2c8SKlaus Jensen static uint16_t nvme_check_dulbe(NvmeNamespace *ns, uint64_t slba, 1532ff0ac2c8SKlaus Jensen uint32_t nlb) 1533ff0ac2c8SKlaus Jensen { 1534ff0ac2c8SKlaus Jensen int ret; 1535ff0ac2c8SKlaus Jensen Error *err = NULL; 1536ff0ac2c8SKlaus Jensen 1537ff0ac2c8SKlaus Jensen ret = nvme_block_status_all(ns, slba, nlb, BDRV_BLOCK_DATA); 1538ff0ac2c8SKlaus Jensen if (ret) { 1539ff0ac2c8SKlaus Jensen if (ret < 0) { 1540ff0ac2c8SKlaus Jensen error_setg_errno(&err, -ret, "unable to get block status"); 1541ff0ac2c8SKlaus Jensen error_report_err(err); 1542ff0ac2c8SKlaus Jensen 1543ff0ac2c8SKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 1544ff0ac2c8SKlaus Jensen } 1545ff0ac2c8SKlaus Jensen 1546ff0ac2c8SKlaus Jensen return NVME_DULB; 1547ff0ac2c8SKlaus Jensen } 1548ff0ac2c8SKlaus Jensen 154988eea45cSKlaus Jensen return NVME_SUCCESS; 155088eea45cSKlaus Jensen } 155188eea45cSKlaus Jensen 155288eea45cSKlaus Jensen static void nvme_aio_err(NvmeRequest *req, int ret) 155388eea45cSKlaus Jensen { 155488eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 155588eea45cSKlaus Jensen Error *local_err = NULL; 155688eea45cSKlaus Jensen 155788eea45cSKlaus Jensen switch (req->cmd.opcode) { 155888eea45cSKlaus Jensen case NVME_CMD_READ: 155988eea45cSKlaus Jensen status = NVME_UNRECOVERED_READ; 156088eea45cSKlaus Jensen break; 156188eea45cSKlaus Jensen case NVME_CMD_FLUSH: 156288eea45cSKlaus Jensen case NVME_CMD_WRITE: 156388eea45cSKlaus Jensen case NVME_CMD_WRITE_ZEROES: 156488eea45cSKlaus Jensen case NVME_CMD_ZONE_APPEND: 156588eea45cSKlaus Jensen status = NVME_WRITE_FAULT; 156688eea45cSKlaus Jensen break; 156788eea45cSKlaus Jensen default: 156888eea45cSKlaus Jensen status = NVME_INTERNAL_DEV_ERROR; 156988eea45cSKlaus Jensen break; 157088eea45cSKlaus Jensen } 157188eea45cSKlaus Jensen 157288eea45cSKlaus Jensen trace_pci_nvme_err_aio(nvme_cid(req), strerror(-ret), status); 157388eea45cSKlaus Jensen 157488eea45cSKlaus Jensen error_setg_errno(&local_err, -ret, "aio failed"); 157588eea45cSKlaus Jensen error_report_err(local_err); 157688eea45cSKlaus Jensen 157788eea45cSKlaus Jensen /* 157888eea45cSKlaus Jensen * Set the command status code to the first encountered error but allow a 157988eea45cSKlaus Jensen * subsequent Internal Device Error to trump it. 158088eea45cSKlaus Jensen */ 158188eea45cSKlaus Jensen if (req->status && status != NVME_INTERNAL_DEV_ERROR) { 158288eea45cSKlaus Jensen return; 158388eea45cSKlaus Jensen } 158488eea45cSKlaus Jensen 158588eea45cSKlaus Jensen req->status = status; 158688eea45cSKlaus Jensen } 158788eea45cSKlaus Jensen 158888eea45cSKlaus Jensen static inline uint32_t nvme_zone_idx(NvmeNamespace *ns, uint64_t slba) 158988eea45cSKlaus Jensen { 159088eea45cSKlaus Jensen return ns->zone_size_log2 > 0 ? slba >> ns->zone_size_log2 : 159188eea45cSKlaus Jensen slba / ns->zone_size; 159288eea45cSKlaus Jensen } 159388eea45cSKlaus Jensen 159488eea45cSKlaus Jensen static inline NvmeZone *nvme_get_zone_by_slba(NvmeNamespace *ns, uint64_t slba) 159588eea45cSKlaus Jensen { 159688eea45cSKlaus Jensen uint32_t zone_idx = nvme_zone_idx(ns, slba); 159788eea45cSKlaus Jensen 1598189a8bf7SKlaus Jensen if (zone_idx >= ns->num_zones) { 1599189a8bf7SKlaus Jensen return NULL; 1600189a8bf7SKlaus Jensen } 1601189a8bf7SKlaus Jensen 160288eea45cSKlaus Jensen return &ns->zone_array[zone_idx]; 160388eea45cSKlaus Jensen } 160488eea45cSKlaus Jensen 160588eea45cSKlaus Jensen static uint16_t nvme_check_zone_state_for_write(NvmeZone *zone) 160688eea45cSKlaus Jensen { 160788eea45cSKlaus Jensen uint64_t zslba = zone->d.zslba; 160888eea45cSKlaus Jensen 160988eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 161088eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 161188eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 161288eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 161388eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 161488eea45cSKlaus Jensen return NVME_SUCCESS; 161588eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 161688eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_full(zslba); 161788eea45cSKlaus Jensen return NVME_ZONE_FULL; 161888eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 161988eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_offline(zslba); 162088eea45cSKlaus Jensen return NVME_ZONE_OFFLINE; 162188eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 162288eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_read_only(zslba); 162388eea45cSKlaus Jensen return NVME_ZONE_READ_ONLY; 162488eea45cSKlaus Jensen default: 162588eea45cSKlaus Jensen assert(false); 162688eea45cSKlaus Jensen } 162788eea45cSKlaus Jensen 162888eea45cSKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 162988eea45cSKlaus Jensen } 163088eea45cSKlaus Jensen 163188eea45cSKlaus Jensen static uint16_t nvme_check_zone_write(NvmeNamespace *ns, NvmeZone *zone, 163288eea45cSKlaus Jensen uint64_t slba, uint32_t nlb) 163388eea45cSKlaus Jensen { 163488eea45cSKlaus Jensen uint64_t zcap = nvme_zone_wr_boundary(zone); 163588eea45cSKlaus Jensen uint16_t status; 163688eea45cSKlaus Jensen 163788eea45cSKlaus Jensen status = nvme_check_zone_state_for_write(zone); 163888eea45cSKlaus Jensen if (status) { 163988eea45cSKlaus Jensen return status; 164088eea45cSKlaus Jensen } 164188eea45cSKlaus Jensen 1642*e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1643*e321b4cdSKlaus Jensen uint64_t ezrwa = zone->w_ptr + 2 * ns->zns.zrwas; 1644*e321b4cdSKlaus Jensen 1645*e321b4cdSKlaus Jensen if (slba < zone->w_ptr || slba + nlb > ezrwa) { 1646*e321b4cdSKlaus Jensen trace_pci_nvme_err_zone_invalid_write(slba, zone->w_ptr); 164788eea45cSKlaus Jensen return NVME_ZONE_INVALID_WRITE; 164888eea45cSKlaus Jensen } 1649*e321b4cdSKlaus Jensen } else { 1650*e321b4cdSKlaus Jensen if (unlikely(slba != zone->w_ptr)) { 1651*e321b4cdSKlaus Jensen trace_pci_nvme_err_write_not_at_wp(slba, zone->d.zslba, 1652*e321b4cdSKlaus Jensen zone->w_ptr); 1653*e321b4cdSKlaus Jensen return NVME_ZONE_INVALID_WRITE; 1654*e321b4cdSKlaus Jensen } 1655*e321b4cdSKlaus Jensen } 165688eea45cSKlaus Jensen 165788eea45cSKlaus Jensen if (unlikely((slba + nlb) > zcap)) { 165888eea45cSKlaus Jensen trace_pci_nvme_err_zone_boundary(slba, nlb, zcap); 165988eea45cSKlaus Jensen return NVME_ZONE_BOUNDARY_ERROR; 166088eea45cSKlaus Jensen } 166188eea45cSKlaus Jensen 166288eea45cSKlaus Jensen return NVME_SUCCESS; 166388eea45cSKlaus Jensen } 166488eea45cSKlaus Jensen 166588eea45cSKlaus Jensen static uint16_t nvme_check_zone_state_for_read(NvmeZone *zone) 166688eea45cSKlaus Jensen { 166788eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 166888eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 166988eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 167088eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 167188eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 167288eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 167388eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 167488eea45cSKlaus Jensen return NVME_SUCCESS; 167588eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 167688eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_offline(zone->d.zslba); 167788eea45cSKlaus Jensen return NVME_ZONE_OFFLINE; 167888eea45cSKlaus Jensen default: 167988eea45cSKlaus Jensen assert(false); 168088eea45cSKlaus Jensen } 168188eea45cSKlaus Jensen 168288eea45cSKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 168388eea45cSKlaus Jensen } 168488eea45cSKlaus Jensen 168588eea45cSKlaus Jensen static uint16_t nvme_check_zone_read(NvmeNamespace *ns, uint64_t slba, 168688eea45cSKlaus Jensen uint32_t nlb) 168788eea45cSKlaus Jensen { 1688189a8bf7SKlaus Jensen NvmeZone *zone; 1689189a8bf7SKlaus Jensen uint64_t bndry, end; 169088eea45cSKlaus Jensen uint16_t status; 169188eea45cSKlaus Jensen 1692189a8bf7SKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 1693189a8bf7SKlaus Jensen assert(zone); 1694189a8bf7SKlaus Jensen 1695189a8bf7SKlaus Jensen bndry = nvme_zone_rd_boundary(ns, zone); 1696189a8bf7SKlaus Jensen end = slba + nlb; 1697189a8bf7SKlaus Jensen 169888eea45cSKlaus Jensen status = nvme_check_zone_state_for_read(zone); 169988eea45cSKlaus Jensen if (status) { 170088eea45cSKlaus Jensen ; 170188eea45cSKlaus Jensen } else if (unlikely(end > bndry)) { 170288eea45cSKlaus Jensen if (!ns->params.cross_zone_read) { 170388eea45cSKlaus Jensen status = NVME_ZONE_BOUNDARY_ERROR; 170488eea45cSKlaus Jensen } else { 170588eea45cSKlaus Jensen /* 170688eea45cSKlaus Jensen * Read across zone boundary - check that all subsequent 170788eea45cSKlaus Jensen * zones that are being read have an appropriate state. 170888eea45cSKlaus Jensen */ 170988eea45cSKlaus Jensen do { 171088eea45cSKlaus Jensen zone++; 171188eea45cSKlaus Jensen status = nvme_check_zone_state_for_read(zone); 171288eea45cSKlaus Jensen if (status) { 171388eea45cSKlaus Jensen break; 171488eea45cSKlaus Jensen } 171588eea45cSKlaus Jensen } while (end > nvme_zone_rd_boundary(ns, zone)); 171688eea45cSKlaus Jensen } 171788eea45cSKlaus Jensen } 171888eea45cSKlaus Jensen 171988eea45cSKlaus Jensen return status; 172088eea45cSKlaus Jensen } 172188eea45cSKlaus Jensen 172288eea45cSKlaus Jensen static uint16_t nvme_zrm_finish(NvmeNamespace *ns, NvmeZone *zone) 172388eea45cSKlaus Jensen { 172488eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 172588eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 172688eea45cSKlaus Jensen return NVME_SUCCESS; 172788eea45cSKlaus Jensen 172888eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 172988eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 173088eea45cSKlaus Jensen nvme_aor_dec_open(ns); 173188eea45cSKlaus Jensen /* fallthrough */ 173288eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 173388eea45cSKlaus Jensen nvme_aor_dec_active(ns); 1734*e321b4cdSKlaus Jensen 1735*e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1736*e321b4cdSKlaus Jensen zone->d.za &= ~NVME_ZA_ZRWA_VALID; 1737*e321b4cdSKlaus Jensen if (ns->params.numzrwa) { 1738*e321b4cdSKlaus Jensen ns->zns.numzrwa++; 1739*e321b4cdSKlaus Jensen } 1740*e321b4cdSKlaus Jensen } 1741*e321b4cdSKlaus Jensen 174288eea45cSKlaus Jensen /* fallthrough */ 174388eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 174488eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_FULL); 174588eea45cSKlaus Jensen return NVME_SUCCESS; 174688eea45cSKlaus Jensen 174788eea45cSKlaus Jensen default: 174888eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 174988eea45cSKlaus Jensen } 175088eea45cSKlaus Jensen } 175188eea45cSKlaus Jensen 175288eea45cSKlaus Jensen static uint16_t nvme_zrm_close(NvmeNamespace *ns, NvmeZone *zone) 175388eea45cSKlaus Jensen { 175488eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 175588eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 175688eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 175788eea45cSKlaus Jensen nvme_aor_dec_open(ns); 175888eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_CLOSED); 175988eea45cSKlaus Jensen /* fall through */ 176088eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 176188eea45cSKlaus Jensen return NVME_SUCCESS; 176288eea45cSKlaus Jensen 176388eea45cSKlaus Jensen default: 176488eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 176588eea45cSKlaus Jensen } 176688eea45cSKlaus Jensen } 176788eea45cSKlaus Jensen 176863d96e4fSKlaus Jensen static uint16_t nvme_zrm_reset(NvmeNamespace *ns, NvmeZone *zone) 176963d96e4fSKlaus Jensen { 177063d96e4fSKlaus Jensen switch (nvme_get_zone_state(zone)) { 177163d96e4fSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 177263d96e4fSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 177363d96e4fSKlaus Jensen nvme_aor_dec_open(ns); 177463d96e4fSKlaus Jensen /* fallthrough */ 177563d96e4fSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 177663d96e4fSKlaus Jensen nvme_aor_dec_active(ns); 1777*e321b4cdSKlaus Jensen 1778*e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1779*e321b4cdSKlaus Jensen if (ns->params.numzrwa) { 1780*e321b4cdSKlaus Jensen ns->zns.numzrwa++; 1781*e321b4cdSKlaus Jensen } 1782*e321b4cdSKlaus Jensen } 1783*e321b4cdSKlaus Jensen 178463d96e4fSKlaus Jensen /* fallthrough */ 178563d96e4fSKlaus Jensen case NVME_ZONE_STATE_FULL: 178663d96e4fSKlaus Jensen zone->w_ptr = zone->d.zslba; 178763d96e4fSKlaus Jensen zone->d.wp = zone->w_ptr; 178863d96e4fSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_EMPTY); 178963d96e4fSKlaus Jensen /* fallthrough */ 179063d96e4fSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 179163d96e4fSKlaus Jensen return NVME_SUCCESS; 179263d96e4fSKlaus Jensen 179363d96e4fSKlaus Jensen default: 179463d96e4fSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 179563d96e4fSKlaus Jensen } 179663d96e4fSKlaus Jensen } 179763d96e4fSKlaus Jensen 179888eea45cSKlaus Jensen static void nvme_zrm_auto_transition_zone(NvmeNamespace *ns) 179988eea45cSKlaus Jensen { 180088eea45cSKlaus Jensen NvmeZone *zone; 180188eea45cSKlaus Jensen 180288eea45cSKlaus Jensen if (ns->params.max_open_zones && 180388eea45cSKlaus Jensen ns->nr_open_zones == ns->params.max_open_zones) { 180488eea45cSKlaus Jensen zone = QTAILQ_FIRST(&ns->imp_open_zones); 180588eea45cSKlaus Jensen if (zone) { 180688eea45cSKlaus Jensen /* 180788eea45cSKlaus Jensen * Automatically close this implicitly open zone. 180888eea45cSKlaus Jensen */ 180988eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->imp_open_zones, zone, entry); 181088eea45cSKlaus Jensen nvme_zrm_close(ns, zone); 181188eea45cSKlaus Jensen } 181288eea45cSKlaus Jensen } 181388eea45cSKlaus Jensen } 181488eea45cSKlaus Jensen 181588eea45cSKlaus Jensen enum { 181688eea45cSKlaus Jensen NVME_ZRM_AUTO = 1 << 0, 1817*e321b4cdSKlaus Jensen NVME_ZRM_ZRWA = 1 << 1, 181888eea45cSKlaus Jensen }; 181988eea45cSKlaus Jensen 1820cccc2651SNiklas Cassel static uint16_t nvme_zrm_open_flags(NvmeCtrl *n, NvmeNamespace *ns, 1821cccc2651SNiklas Cassel NvmeZone *zone, int flags) 182288eea45cSKlaus Jensen { 182388eea45cSKlaus Jensen int act = 0; 182488eea45cSKlaus Jensen uint16_t status; 182588eea45cSKlaus Jensen 182688eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 182788eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 182888eea45cSKlaus Jensen act = 1; 182988eea45cSKlaus Jensen 183088eea45cSKlaus Jensen /* fallthrough */ 183188eea45cSKlaus Jensen 183288eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 1833cccc2651SNiklas Cassel if (n->params.auto_transition_zones) { 183488eea45cSKlaus Jensen nvme_zrm_auto_transition_zone(ns); 1835cccc2651SNiklas Cassel } 1836*e321b4cdSKlaus Jensen status = nvme_zns_check_resources(ns, act, 1, 1837*e321b4cdSKlaus Jensen (flags & NVME_ZRM_ZRWA) ? 1 : 0); 183888eea45cSKlaus Jensen if (status) { 183988eea45cSKlaus Jensen return status; 184088eea45cSKlaus Jensen } 184188eea45cSKlaus Jensen 184288eea45cSKlaus Jensen if (act) { 184388eea45cSKlaus Jensen nvme_aor_inc_active(ns); 184488eea45cSKlaus Jensen } 184588eea45cSKlaus Jensen 184688eea45cSKlaus Jensen nvme_aor_inc_open(ns); 184788eea45cSKlaus Jensen 184888eea45cSKlaus Jensen if (flags & NVME_ZRM_AUTO) { 184988eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_IMPLICITLY_OPEN); 185088eea45cSKlaus Jensen return NVME_SUCCESS; 185188eea45cSKlaus Jensen } 185288eea45cSKlaus Jensen 185388eea45cSKlaus Jensen /* fallthrough */ 185488eea45cSKlaus Jensen 185588eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 185688eea45cSKlaus Jensen if (flags & NVME_ZRM_AUTO) { 185788eea45cSKlaus Jensen return NVME_SUCCESS; 185888eea45cSKlaus Jensen } 185988eea45cSKlaus Jensen 186088eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_EXPLICITLY_OPEN); 186188eea45cSKlaus Jensen 186288eea45cSKlaus Jensen /* fallthrough */ 186388eea45cSKlaus Jensen 186488eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 1865*e321b4cdSKlaus Jensen if (flags & NVME_ZRM_ZRWA) { 1866*e321b4cdSKlaus Jensen ns->zns.numzrwa--; 1867*e321b4cdSKlaus Jensen 1868*e321b4cdSKlaus Jensen zone->d.za |= NVME_ZA_ZRWA_VALID; 1869*e321b4cdSKlaus Jensen } 1870*e321b4cdSKlaus Jensen 187188eea45cSKlaus Jensen return NVME_SUCCESS; 187288eea45cSKlaus Jensen 187388eea45cSKlaus Jensen default: 187488eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 187588eea45cSKlaus Jensen } 187688eea45cSKlaus Jensen } 187788eea45cSKlaus Jensen 1878cccc2651SNiklas Cassel static inline uint16_t nvme_zrm_auto(NvmeCtrl *n, NvmeNamespace *ns, 1879cccc2651SNiklas Cassel NvmeZone *zone) 188088eea45cSKlaus Jensen { 1881cccc2651SNiklas Cassel return nvme_zrm_open_flags(n, ns, zone, NVME_ZRM_AUTO); 188288eea45cSKlaus Jensen } 188388eea45cSKlaus Jensen 188488eea45cSKlaus Jensen static void nvme_advance_zone_wp(NvmeNamespace *ns, NvmeZone *zone, 188588eea45cSKlaus Jensen uint32_t nlb) 188688eea45cSKlaus Jensen { 188788eea45cSKlaus Jensen zone->d.wp += nlb; 188888eea45cSKlaus Jensen 188988eea45cSKlaus Jensen if (zone->d.wp == nvme_zone_wr_boundary(zone)) { 189088eea45cSKlaus Jensen nvme_zrm_finish(ns, zone); 189188eea45cSKlaus Jensen } 189288eea45cSKlaus Jensen } 189388eea45cSKlaus Jensen 1894*e321b4cdSKlaus Jensen static void nvme_zoned_zrwa_implicit_flush(NvmeNamespace *ns, NvmeZone *zone, 1895*e321b4cdSKlaus Jensen uint32_t nlbc) 1896*e321b4cdSKlaus Jensen { 1897*e321b4cdSKlaus Jensen uint16_t nzrwafgs = DIV_ROUND_UP(nlbc, ns->zns.zrwafg); 1898*e321b4cdSKlaus Jensen 1899*e321b4cdSKlaus Jensen nlbc = nzrwafgs * ns->zns.zrwafg; 1900*e321b4cdSKlaus Jensen 1901*e321b4cdSKlaus Jensen trace_pci_nvme_zoned_zrwa_implicit_flush(zone->d.zslba, nlbc); 1902*e321b4cdSKlaus Jensen 1903*e321b4cdSKlaus Jensen zone->w_ptr += nlbc; 1904*e321b4cdSKlaus Jensen 1905*e321b4cdSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlbc); 1906*e321b4cdSKlaus Jensen } 1907*e321b4cdSKlaus Jensen 190888eea45cSKlaus Jensen static void nvme_finalize_zoned_write(NvmeNamespace *ns, NvmeRequest *req) 190988eea45cSKlaus Jensen { 191088eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 191188eea45cSKlaus Jensen NvmeZone *zone; 191288eea45cSKlaus Jensen uint64_t slba; 191388eea45cSKlaus Jensen uint32_t nlb; 191488eea45cSKlaus Jensen 191588eea45cSKlaus Jensen slba = le64_to_cpu(rw->slba); 191688eea45cSKlaus Jensen nlb = le16_to_cpu(rw->nlb) + 1; 191788eea45cSKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 1918189a8bf7SKlaus Jensen assert(zone); 191988eea45cSKlaus Jensen 1920*e321b4cdSKlaus Jensen if (zone->d.za & NVME_ZA_ZRWA_VALID) { 1921*e321b4cdSKlaus Jensen uint64_t ezrwa = zone->w_ptr + ns->zns.zrwas - 1; 1922*e321b4cdSKlaus Jensen uint64_t elba = slba + nlb - 1; 1923*e321b4cdSKlaus Jensen 1924*e321b4cdSKlaus Jensen if (elba > ezrwa) { 1925*e321b4cdSKlaus Jensen nvme_zoned_zrwa_implicit_flush(ns, zone, elba - ezrwa); 1926*e321b4cdSKlaus Jensen } 1927*e321b4cdSKlaus Jensen 1928*e321b4cdSKlaus Jensen return; 1929*e321b4cdSKlaus Jensen } 1930*e321b4cdSKlaus Jensen 193188eea45cSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlb); 193288eea45cSKlaus Jensen } 193388eea45cSKlaus Jensen 193488eea45cSKlaus Jensen static inline bool nvme_is_write(NvmeRequest *req) 193588eea45cSKlaus Jensen { 193688eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 193788eea45cSKlaus Jensen 193888eea45cSKlaus Jensen return rw->opcode == NVME_CMD_WRITE || 193988eea45cSKlaus Jensen rw->opcode == NVME_CMD_ZONE_APPEND || 194088eea45cSKlaus Jensen rw->opcode == NVME_CMD_WRITE_ZEROES; 194188eea45cSKlaus Jensen } 194288eea45cSKlaus Jensen 194338f4ac65SKlaus Jensen static AioContext *nvme_get_aio_context(BlockAIOCB *acb) 194438f4ac65SKlaus Jensen { 194538f4ac65SKlaus Jensen return qemu_get_aio_context(); 194638f4ac65SKlaus Jensen } 194738f4ac65SKlaus Jensen 194888eea45cSKlaus Jensen static void nvme_misc_cb(void *opaque, int ret) 194988eea45cSKlaus Jensen { 195088eea45cSKlaus Jensen NvmeRequest *req = opaque; 195188eea45cSKlaus Jensen 195238f4ac65SKlaus Jensen trace_pci_nvme_misc_cb(nvme_cid(req)); 195388eea45cSKlaus Jensen 195488eea45cSKlaus Jensen if (ret) { 195588eea45cSKlaus Jensen nvme_aio_err(req, ret); 195688eea45cSKlaus Jensen } 195788eea45cSKlaus Jensen 195888eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 195988eea45cSKlaus Jensen } 196088eea45cSKlaus Jensen 196188eea45cSKlaus Jensen void nvme_rw_complete_cb(void *opaque, int ret) 196288eea45cSKlaus Jensen { 196388eea45cSKlaus Jensen NvmeRequest *req = opaque; 196488eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 196588eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 196688eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 196788eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 196888eea45cSKlaus Jensen 196988eea45cSKlaus Jensen trace_pci_nvme_rw_complete_cb(nvme_cid(req), blk_name(blk)); 197088eea45cSKlaus Jensen 197188eea45cSKlaus Jensen if (ret) { 197288eea45cSKlaus Jensen block_acct_failed(stats, acct); 197388eea45cSKlaus Jensen nvme_aio_err(req, ret); 197488eea45cSKlaus Jensen } else { 197588eea45cSKlaus Jensen block_acct_done(stats, acct); 197688eea45cSKlaus Jensen } 197788eea45cSKlaus Jensen 197888eea45cSKlaus Jensen if (ns->params.zoned && nvme_is_write(req)) { 197988eea45cSKlaus Jensen nvme_finalize_zoned_write(ns, req); 198088eea45cSKlaus Jensen } 198188eea45cSKlaus Jensen 198288eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 198388eea45cSKlaus Jensen } 198488eea45cSKlaus Jensen 198588eea45cSKlaus Jensen static void nvme_rw_cb(void *opaque, int ret) 198688eea45cSKlaus Jensen { 198788eea45cSKlaus Jensen NvmeRequest *req = opaque; 198888eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 198988eea45cSKlaus Jensen 199088eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 199188eea45cSKlaus Jensen 199288eea45cSKlaus Jensen trace_pci_nvme_rw_cb(nvme_cid(req), blk_name(blk)); 199388eea45cSKlaus Jensen 199488eea45cSKlaus Jensen if (ret) { 199588eea45cSKlaus Jensen goto out; 199688eea45cSKlaus Jensen } 199788eea45cSKlaus Jensen 199888eea45cSKlaus Jensen if (ns->lbaf.ms) { 199988eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 200088eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 200188eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 200288eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 200388eea45cSKlaus Jensen 200488eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_WRITE_ZEROES) { 200588eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 200688eea45cSKlaus Jensen 200788eea45cSKlaus Jensen req->aiocb = blk_aio_pwrite_zeroes(blk, offset, mlen, 200888eea45cSKlaus Jensen BDRV_REQ_MAY_UNMAP, 200988eea45cSKlaus Jensen nvme_rw_complete_cb, req); 201088eea45cSKlaus Jensen return; 201188eea45cSKlaus Jensen } 201288eea45cSKlaus Jensen 201388eea45cSKlaus Jensen if (nvme_ns_ext(ns) || req->cmd.mptr) { 201488eea45cSKlaus Jensen uint16_t status; 201588eea45cSKlaus Jensen 201688eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 201788eea45cSKlaus Jensen status = nvme_map_mdata(nvme_ctrl(req), nlb, req); 201888eea45cSKlaus Jensen if (status) { 201988eea45cSKlaus Jensen ret = -EFAULT; 202088eea45cSKlaus Jensen goto out; 202188eea45cSKlaus Jensen } 202288eea45cSKlaus Jensen 202388eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_READ) { 202488eea45cSKlaus Jensen return nvme_blk_read(blk, offset, nvme_rw_complete_cb, req); 202588eea45cSKlaus Jensen } 202688eea45cSKlaus Jensen 202788eea45cSKlaus Jensen return nvme_blk_write(blk, offset, nvme_rw_complete_cb, req); 202888eea45cSKlaus Jensen } 202988eea45cSKlaus Jensen } 203088eea45cSKlaus Jensen 203188eea45cSKlaus Jensen out: 203288eea45cSKlaus Jensen nvme_rw_complete_cb(req, ret); 203388eea45cSKlaus Jensen } 203488eea45cSKlaus Jensen 203588eea45cSKlaus Jensen static void nvme_verify_cb(void *opaque, int ret) 203688eea45cSKlaus Jensen { 203788eea45cSKlaus Jensen NvmeBounceContext *ctx = opaque; 203888eea45cSKlaus Jensen NvmeRequest *req = ctx->req; 203988eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 204088eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 204188eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 204288eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 204388eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 204488eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 20452a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 204688eea45cSKlaus Jensen uint16_t apptag = le16_to_cpu(rw->apptag); 204788eea45cSKlaus Jensen uint16_t appmask = le16_to_cpu(rw->appmask); 204888eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 204988eea45cSKlaus Jensen uint16_t status; 205088eea45cSKlaus Jensen 20512a132309SKlaus Jensen trace_pci_nvme_verify_cb(nvme_cid(req), prinfo, apptag, appmask, reftag); 205288eea45cSKlaus Jensen 205388eea45cSKlaus Jensen if (ret) { 205488eea45cSKlaus Jensen block_acct_failed(stats, acct); 205588eea45cSKlaus Jensen nvme_aio_err(req, ret); 205688eea45cSKlaus Jensen goto out; 205788eea45cSKlaus Jensen } 205888eea45cSKlaus Jensen 205988eea45cSKlaus Jensen block_acct_done(stats, acct); 206088eea45cSKlaus Jensen 206188eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 206288eea45cSKlaus Jensen status = nvme_dif_mangle_mdata(ns, ctx->mdata.bounce, 206388eea45cSKlaus Jensen ctx->mdata.iov.size, slba); 206488eea45cSKlaus Jensen if (status) { 206588eea45cSKlaus Jensen req->status = status; 206688eea45cSKlaus Jensen goto out; 206788eea45cSKlaus Jensen } 206888eea45cSKlaus Jensen 206988eea45cSKlaus Jensen req->status = nvme_dif_check(ns, ctx->data.bounce, ctx->data.iov.size, 207088eea45cSKlaus Jensen ctx->mdata.bounce, ctx->mdata.iov.size, 20712a132309SKlaus Jensen prinfo, slba, apptag, appmask, &reftag); 207288eea45cSKlaus Jensen } 207388eea45cSKlaus Jensen 207488eea45cSKlaus Jensen out: 207588eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 207688eea45cSKlaus Jensen g_free(ctx->data.bounce); 207788eea45cSKlaus Jensen 207888eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->mdata.iov); 207988eea45cSKlaus Jensen g_free(ctx->mdata.bounce); 208088eea45cSKlaus Jensen 208188eea45cSKlaus Jensen g_free(ctx); 208288eea45cSKlaus Jensen 208388eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 208488eea45cSKlaus Jensen } 208588eea45cSKlaus Jensen 208688eea45cSKlaus Jensen 208788eea45cSKlaus Jensen static void nvme_verify_mdata_in_cb(void *opaque, int ret) 208888eea45cSKlaus Jensen { 208988eea45cSKlaus Jensen NvmeBounceContext *ctx = opaque; 209088eea45cSKlaus Jensen NvmeRequest *req = ctx->req; 209188eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 209288eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 209388eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 209488eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 209588eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 209688eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 209788eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 209888eea45cSKlaus Jensen 209988eea45cSKlaus Jensen trace_pci_nvme_verify_mdata_in_cb(nvme_cid(req), blk_name(blk)); 210088eea45cSKlaus Jensen 210188eea45cSKlaus Jensen if (ret) { 210288eea45cSKlaus Jensen goto out; 210388eea45cSKlaus Jensen } 210488eea45cSKlaus Jensen 210588eea45cSKlaus Jensen ctx->mdata.bounce = g_malloc(mlen); 210688eea45cSKlaus Jensen 210788eea45cSKlaus Jensen qemu_iovec_reset(&ctx->mdata.iov); 210888eea45cSKlaus Jensen qemu_iovec_add(&ctx->mdata.iov, ctx->mdata.bounce, mlen); 210988eea45cSKlaus Jensen 211088eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->mdata.iov, 0, 211188eea45cSKlaus Jensen nvme_verify_cb, ctx); 211288eea45cSKlaus Jensen return; 211388eea45cSKlaus Jensen 211488eea45cSKlaus Jensen out: 211588eea45cSKlaus Jensen nvme_verify_cb(ctx, ret); 211688eea45cSKlaus Jensen } 211788eea45cSKlaus Jensen 211888eea45cSKlaus Jensen struct nvme_compare_ctx { 211988eea45cSKlaus Jensen struct { 212088eea45cSKlaus Jensen QEMUIOVector iov; 212188eea45cSKlaus Jensen uint8_t *bounce; 212288eea45cSKlaus Jensen } data; 212388eea45cSKlaus Jensen 212488eea45cSKlaus Jensen struct { 212588eea45cSKlaus Jensen QEMUIOVector iov; 212688eea45cSKlaus Jensen uint8_t *bounce; 212788eea45cSKlaus Jensen } mdata; 212888eea45cSKlaus Jensen }; 212988eea45cSKlaus Jensen 213088eea45cSKlaus Jensen static void nvme_compare_mdata_cb(void *opaque, int ret) 213188eea45cSKlaus Jensen { 213288eea45cSKlaus Jensen NvmeRequest *req = opaque; 213388eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 213488eea45cSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 213588eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 21362a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 213788eea45cSKlaus Jensen uint16_t apptag = le16_to_cpu(rw->apptag); 213888eea45cSKlaus Jensen uint16_t appmask = le16_to_cpu(rw->appmask); 213988eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 214088eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = req->opaque; 214188eea45cSKlaus Jensen g_autofree uint8_t *buf = NULL; 214288eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 214388eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 214488eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 214588eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 214688eea45cSKlaus Jensen 214788eea45cSKlaus Jensen trace_pci_nvme_compare_mdata_cb(nvme_cid(req)); 214888eea45cSKlaus Jensen 214988eea45cSKlaus Jensen if (ret) { 215088eea45cSKlaus Jensen block_acct_failed(stats, acct); 215188eea45cSKlaus Jensen nvme_aio_err(req, ret); 215288eea45cSKlaus Jensen goto out; 215388eea45cSKlaus Jensen } 215488eea45cSKlaus Jensen 215588eea45cSKlaus Jensen buf = g_malloc(ctx->mdata.iov.size); 215688eea45cSKlaus Jensen 215788eea45cSKlaus Jensen status = nvme_bounce_mdata(n, buf, ctx->mdata.iov.size, 215888eea45cSKlaus Jensen NVME_TX_DIRECTION_TO_DEVICE, req); 215988eea45cSKlaus Jensen if (status) { 216088eea45cSKlaus Jensen req->status = status; 216188eea45cSKlaus Jensen goto out; 216288eea45cSKlaus Jensen } 216388eea45cSKlaus Jensen 216488eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 216588eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 216688eea45cSKlaus Jensen uint8_t *bufp; 216788eea45cSKlaus Jensen uint8_t *mbufp = ctx->mdata.bounce; 216888eea45cSKlaus Jensen uint8_t *end = mbufp + ctx->mdata.iov.size; 216988eea45cSKlaus Jensen int16_t pil = 0; 217088eea45cSKlaus Jensen 217188eea45cSKlaus Jensen status = nvme_dif_check(ns, ctx->data.bounce, ctx->data.iov.size, 21722a132309SKlaus Jensen ctx->mdata.bounce, ctx->mdata.iov.size, prinfo, 21730ca5c3ccSKlaus Jensen slba, apptag, appmask, &reftag); 217488eea45cSKlaus Jensen if (status) { 217588eea45cSKlaus Jensen req->status = status; 217688eea45cSKlaus Jensen goto out; 217788eea45cSKlaus Jensen } 217888eea45cSKlaus Jensen 217988eea45cSKlaus Jensen /* 218088eea45cSKlaus Jensen * When formatted with protection information, do not compare the DIF 218188eea45cSKlaus Jensen * tuple. 218288eea45cSKlaus Jensen */ 218388eea45cSKlaus Jensen if (!(ns->id_ns.dps & NVME_ID_NS_DPS_FIRST_EIGHT)) { 218488eea45cSKlaus Jensen pil = ns->lbaf.ms - sizeof(NvmeDifTuple); 218588eea45cSKlaus Jensen } 218688eea45cSKlaus Jensen 218788eea45cSKlaus Jensen for (bufp = buf; mbufp < end; bufp += ns->lbaf.ms, mbufp += ns->lbaf.ms) { 218888eea45cSKlaus Jensen if (memcmp(bufp + pil, mbufp + pil, ns->lbaf.ms - pil)) { 218988eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 219088eea45cSKlaus Jensen goto out; 219188eea45cSKlaus Jensen } 219288eea45cSKlaus Jensen } 219388eea45cSKlaus Jensen 219488eea45cSKlaus Jensen goto out; 219588eea45cSKlaus Jensen } 219688eea45cSKlaus Jensen 219788eea45cSKlaus Jensen if (memcmp(buf, ctx->mdata.bounce, ctx->mdata.iov.size)) { 219888eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 219988eea45cSKlaus Jensen goto out; 220088eea45cSKlaus Jensen } 220188eea45cSKlaus Jensen 220288eea45cSKlaus Jensen block_acct_done(stats, acct); 220388eea45cSKlaus Jensen 220488eea45cSKlaus Jensen out: 220588eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 220688eea45cSKlaus Jensen g_free(ctx->data.bounce); 220788eea45cSKlaus Jensen 220888eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->mdata.iov); 220988eea45cSKlaus Jensen g_free(ctx->mdata.bounce); 221088eea45cSKlaus Jensen 221188eea45cSKlaus Jensen g_free(ctx); 221288eea45cSKlaus Jensen 221388eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 221488eea45cSKlaus Jensen } 221588eea45cSKlaus Jensen 221688eea45cSKlaus Jensen static void nvme_compare_data_cb(void *opaque, int ret) 221788eea45cSKlaus Jensen { 221888eea45cSKlaus Jensen NvmeRequest *req = opaque; 221988eea45cSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 222088eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 222188eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 222288eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 222388eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 222488eea45cSKlaus Jensen 222588eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = req->opaque; 222688eea45cSKlaus Jensen g_autofree uint8_t *buf = NULL; 222788eea45cSKlaus Jensen uint16_t status; 222888eea45cSKlaus Jensen 222988eea45cSKlaus Jensen trace_pci_nvme_compare_data_cb(nvme_cid(req)); 223088eea45cSKlaus Jensen 223188eea45cSKlaus Jensen if (ret) { 223288eea45cSKlaus Jensen block_acct_failed(stats, acct); 223388eea45cSKlaus Jensen nvme_aio_err(req, ret); 223488eea45cSKlaus Jensen goto out; 223588eea45cSKlaus Jensen } 223688eea45cSKlaus Jensen 223788eea45cSKlaus Jensen buf = g_malloc(ctx->data.iov.size); 223888eea45cSKlaus Jensen 223988eea45cSKlaus Jensen status = nvme_bounce_data(n, buf, ctx->data.iov.size, 224088eea45cSKlaus Jensen NVME_TX_DIRECTION_TO_DEVICE, req); 224188eea45cSKlaus Jensen if (status) { 224288eea45cSKlaus Jensen req->status = status; 224388eea45cSKlaus Jensen goto out; 224488eea45cSKlaus Jensen } 224588eea45cSKlaus Jensen 224688eea45cSKlaus Jensen if (memcmp(buf, ctx->data.bounce, ctx->data.iov.size)) { 224788eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 224888eea45cSKlaus Jensen goto out; 224988eea45cSKlaus Jensen } 225088eea45cSKlaus Jensen 225188eea45cSKlaus Jensen if (ns->lbaf.ms) { 225288eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 225388eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 225488eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 225588eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 225688eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 225788eea45cSKlaus Jensen 225888eea45cSKlaus Jensen ctx->mdata.bounce = g_malloc(mlen); 225988eea45cSKlaus Jensen 226088eea45cSKlaus Jensen qemu_iovec_init(&ctx->mdata.iov, 1); 226188eea45cSKlaus Jensen qemu_iovec_add(&ctx->mdata.iov, ctx->mdata.bounce, mlen); 226288eea45cSKlaus Jensen 226388eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->mdata.iov, 0, 226488eea45cSKlaus Jensen nvme_compare_mdata_cb, req); 226588eea45cSKlaus Jensen return; 226688eea45cSKlaus Jensen } 226788eea45cSKlaus Jensen 226888eea45cSKlaus Jensen block_acct_done(stats, acct); 226988eea45cSKlaus Jensen 227088eea45cSKlaus Jensen out: 227188eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 227288eea45cSKlaus Jensen g_free(ctx->data.bounce); 227388eea45cSKlaus Jensen g_free(ctx); 227488eea45cSKlaus Jensen 227588eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 227688eea45cSKlaus Jensen } 227788eea45cSKlaus Jensen 2278d7d1474fSKlaus Jensen typedef struct NvmeDSMAIOCB { 2279d7d1474fSKlaus Jensen BlockAIOCB common; 2280d7d1474fSKlaus Jensen BlockAIOCB *aiocb; 2281d7d1474fSKlaus Jensen NvmeRequest *req; 2282d7d1474fSKlaus Jensen QEMUBH *bh; 2283d7d1474fSKlaus Jensen int ret; 2284d7d1474fSKlaus Jensen 2285d7d1474fSKlaus Jensen NvmeDsmRange *range; 2286d7d1474fSKlaus Jensen unsigned int nr; 2287d7d1474fSKlaus Jensen unsigned int idx; 2288d7d1474fSKlaus Jensen } NvmeDSMAIOCB; 2289d7d1474fSKlaus Jensen 2290d7d1474fSKlaus Jensen static void nvme_dsm_cancel(BlockAIOCB *aiocb) 2291d7d1474fSKlaus Jensen { 2292d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = container_of(aiocb, NvmeDSMAIOCB, common); 2293d7d1474fSKlaus Jensen 2294d7d1474fSKlaus Jensen /* break nvme_dsm_cb loop */ 2295d7d1474fSKlaus Jensen iocb->idx = iocb->nr; 2296d7d1474fSKlaus Jensen iocb->ret = -ECANCELED; 2297d7d1474fSKlaus Jensen 2298d7d1474fSKlaus Jensen if (iocb->aiocb) { 2299d7d1474fSKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 2300d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2301d7d1474fSKlaus Jensen } else { 2302d7d1474fSKlaus Jensen /* 2303d7d1474fSKlaus Jensen * We only reach this if nvme_dsm_cancel() has already been called or 2304d7d1474fSKlaus Jensen * the command ran to completion and nvme_dsm_bh is scheduled to run. 2305d7d1474fSKlaus Jensen */ 2306d7d1474fSKlaus Jensen assert(iocb->idx == iocb->nr); 2307d7d1474fSKlaus Jensen } 2308d7d1474fSKlaus Jensen } 2309d7d1474fSKlaus Jensen 2310d7d1474fSKlaus Jensen static const AIOCBInfo nvme_dsm_aiocb_info = { 2311d7d1474fSKlaus Jensen .aiocb_size = sizeof(NvmeDSMAIOCB), 2312d7d1474fSKlaus Jensen .cancel_async = nvme_dsm_cancel, 2313d7d1474fSKlaus Jensen }; 2314d7d1474fSKlaus Jensen 2315d7d1474fSKlaus Jensen static void nvme_dsm_bh(void *opaque) 2316d7d1474fSKlaus Jensen { 2317d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2318d7d1474fSKlaus Jensen 2319d7d1474fSKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 2320d7d1474fSKlaus Jensen 2321d7d1474fSKlaus Jensen qemu_bh_delete(iocb->bh); 2322d7d1474fSKlaus Jensen iocb->bh = NULL; 2323d7d1474fSKlaus Jensen qemu_aio_unref(iocb); 2324d7d1474fSKlaus Jensen } 2325d7d1474fSKlaus Jensen 2326d7d1474fSKlaus Jensen static void nvme_dsm_cb(void *opaque, int ret); 2327d7d1474fSKlaus Jensen 2328d7d1474fSKlaus Jensen static void nvme_dsm_md_cb(void *opaque, int ret) 2329d7d1474fSKlaus Jensen { 2330d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2331d7d1474fSKlaus Jensen NvmeRequest *req = iocb->req; 2332d7d1474fSKlaus Jensen NvmeNamespace *ns = req->ns; 2333d7d1474fSKlaus Jensen NvmeDsmRange *range; 2334d7d1474fSKlaus Jensen uint64_t slba; 2335d7d1474fSKlaus Jensen uint32_t nlb; 2336d7d1474fSKlaus Jensen 2337d7d1474fSKlaus Jensen if (ret < 0) { 2338d7d1474fSKlaus Jensen iocb->ret = ret; 2339d7d1474fSKlaus Jensen goto done; 2340d7d1474fSKlaus Jensen } 2341d7d1474fSKlaus Jensen 2342d7d1474fSKlaus Jensen if (!ns->lbaf.ms) { 2343d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 2344d7d1474fSKlaus Jensen return; 2345d7d1474fSKlaus Jensen } 2346d7d1474fSKlaus Jensen 2347d7d1474fSKlaus Jensen range = &iocb->range[iocb->idx - 1]; 2348d7d1474fSKlaus Jensen slba = le64_to_cpu(range->slba); 2349d7d1474fSKlaus Jensen nlb = le32_to_cpu(range->nlb); 2350d7d1474fSKlaus Jensen 2351d7d1474fSKlaus Jensen /* 2352d7d1474fSKlaus Jensen * Check that all block were discarded (zeroed); otherwise we do not zero 2353d7d1474fSKlaus Jensen * the metadata. 2354d7d1474fSKlaus Jensen */ 2355d7d1474fSKlaus Jensen 2356d7d1474fSKlaus Jensen ret = nvme_block_status_all(ns, slba, nlb, BDRV_BLOCK_ZERO); 2357d7d1474fSKlaus Jensen if (ret) { 2358d7d1474fSKlaus Jensen if (ret < 0) { 2359d7d1474fSKlaus Jensen iocb->ret = ret; 2360d7d1474fSKlaus Jensen goto done; 2361d7d1474fSKlaus Jensen } 2362d7d1474fSKlaus Jensen 2363d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 2364d7d1474fSKlaus Jensen } 2365d7d1474fSKlaus Jensen 2366d7d1474fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, nvme_moff(ns, slba), 2367d7d1474fSKlaus Jensen nvme_m2b(ns, nlb), BDRV_REQ_MAY_UNMAP, 2368d7d1474fSKlaus Jensen nvme_dsm_cb, iocb); 2369d7d1474fSKlaus Jensen return; 2370d7d1474fSKlaus Jensen 2371d7d1474fSKlaus Jensen done: 2372d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2373d7d1474fSKlaus Jensen qemu_bh_schedule(iocb->bh); 2374d7d1474fSKlaus Jensen } 2375d7d1474fSKlaus Jensen 2376d7d1474fSKlaus Jensen static void nvme_dsm_cb(void *opaque, int ret) 2377d7d1474fSKlaus Jensen { 2378d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2379d7d1474fSKlaus Jensen NvmeRequest *req = iocb->req; 2380d7d1474fSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 2381d7d1474fSKlaus Jensen NvmeNamespace *ns = req->ns; 2382d7d1474fSKlaus Jensen NvmeDsmRange *range; 2383d7d1474fSKlaus Jensen uint64_t slba; 2384d7d1474fSKlaus Jensen uint32_t nlb; 2385d7d1474fSKlaus Jensen 2386d7d1474fSKlaus Jensen if (ret < 0) { 2387d7d1474fSKlaus Jensen iocb->ret = ret; 2388d7d1474fSKlaus Jensen goto done; 2389d7d1474fSKlaus Jensen } 2390d7d1474fSKlaus Jensen 2391d7d1474fSKlaus Jensen next: 2392d7d1474fSKlaus Jensen if (iocb->idx == iocb->nr) { 2393d7d1474fSKlaus Jensen goto done; 2394d7d1474fSKlaus Jensen } 2395d7d1474fSKlaus Jensen 2396d7d1474fSKlaus Jensen range = &iocb->range[iocb->idx++]; 2397d7d1474fSKlaus Jensen slba = le64_to_cpu(range->slba); 2398d7d1474fSKlaus Jensen nlb = le32_to_cpu(range->nlb); 2399d7d1474fSKlaus Jensen 2400d7d1474fSKlaus Jensen trace_pci_nvme_dsm_deallocate(slba, nlb); 2401d7d1474fSKlaus Jensen 2402d7d1474fSKlaus Jensen if (nlb > n->dmrsl) { 2403d7d1474fSKlaus Jensen trace_pci_nvme_dsm_single_range_limit_exceeded(nlb, n->dmrsl); 2404d7d1474fSKlaus Jensen goto next; 2405d7d1474fSKlaus Jensen } 2406d7d1474fSKlaus Jensen 2407d7d1474fSKlaus Jensen if (nvme_check_bounds(ns, slba, nlb)) { 2408d7d1474fSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(slba, nlb, 2409d7d1474fSKlaus Jensen ns->id_ns.nsze); 2410d7d1474fSKlaus Jensen goto next; 2411d7d1474fSKlaus Jensen } 2412d7d1474fSKlaus Jensen 2413d7d1474fSKlaus Jensen iocb->aiocb = blk_aio_pdiscard(ns->blkconf.blk, nvme_l2b(ns, slba), 2414d7d1474fSKlaus Jensen nvme_l2b(ns, nlb), 2415d7d1474fSKlaus Jensen nvme_dsm_md_cb, iocb); 2416d7d1474fSKlaus Jensen return; 2417d7d1474fSKlaus Jensen 2418d7d1474fSKlaus Jensen done: 2419d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2420d7d1474fSKlaus Jensen qemu_bh_schedule(iocb->bh); 2421d7d1474fSKlaus Jensen } 2422d7d1474fSKlaus Jensen 242388eea45cSKlaus Jensen static uint16_t nvme_dsm(NvmeCtrl *n, NvmeRequest *req) 242488eea45cSKlaus Jensen { 242588eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 242688eea45cSKlaus Jensen NvmeDsmCmd *dsm = (NvmeDsmCmd *) &req->cmd; 242788eea45cSKlaus Jensen uint32_t attr = le32_to_cpu(dsm->attributes); 242888eea45cSKlaus Jensen uint32_t nr = (le32_to_cpu(dsm->nr) & 0xff) + 1; 242988eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 243088eea45cSKlaus Jensen 2431d7d1474fSKlaus Jensen trace_pci_nvme_dsm(nr, attr); 243288eea45cSKlaus Jensen 243388eea45cSKlaus Jensen if (attr & NVME_DSMGMT_AD) { 2434d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = blk_aio_get(&nvme_dsm_aiocb_info, ns->blkconf.blk, 2435d7d1474fSKlaus Jensen nvme_misc_cb, req); 243688eea45cSKlaus Jensen 2437d7d1474fSKlaus Jensen iocb->req = req; 2438d7d1474fSKlaus Jensen iocb->bh = qemu_bh_new(nvme_dsm_bh, iocb); 2439d7d1474fSKlaus Jensen iocb->ret = 0; 2440d7d1474fSKlaus Jensen iocb->range = g_new(NvmeDsmRange, nr); 2441d7d1474fSKlaus Jensen iocb->nr = nr; 2442d7d1474fSKlaus Jensen iocb->idx = 0; 2443d7d1474fSKlaus Jensen 2444d7d1474fSKlaus Jensen status = nvme_h2c(n, (uint8_t *)iocb->range, sizeof(NvmeDsmRange) * nr, 2445d7d1474fSKlaus Jensen req); 244688eea45cSKlaus Jensen if (status) { 244788eea45cSKlaus Jensen return status; 244888eea45cSKlaus Jensen } 244988eea45cSKlaus Jensen 2450d7d1474fSKlaus Jensen req->aiocb = &iocb->common; 2451d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 245288eea45cSKlaus Jensen 2453d7d1474fSKlaus Jensen return NVME_NO_COMPLETE; 245488eea45cSKlaus Jensen } 245588eea45cSKlaus Jensen 245688eea45cSKlaus Jensen return status; 245788eea45cSKlaus Jensen } 245888eea45cSKlaus Jensen 245988eea45cSKlaus Jensen static uint16_t nvme_verify(NvmeCtrl *n, NvmeRequest *req) 246088eea45cSKlaus Jensen { 246188eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 246288eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 246388eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 246488eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 246588eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 246688eea45cSKlaus Jensen size_t len = nvme_l2b(ns, nlb); 246788eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 24682a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 246988eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 247088eea45cSKlaus Jensen NvmeBounceContext *ctx = NULL; 247188eea45cSKlaus Jensen uint16_t status; 247288eea45cSKlaus Jensen 247388eea45cSKlaus Jensen trace_pci_nvme_verify(nvme_cid(req), nvme_nsid(ns), slba, nlb); 247488eea45cSKlaus Jensen 247588eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 24762a132309SKlaus Jensen status = nvme_check_prinfo(ns, prinfo, slba, reftag); 247788eea45cSKlaus Jensen if (status) { 247888eea45cSKlaus Jensen return status; 247988eea45cSKlaus Jensen } 248088eea45cSKlaus Jensen 24812a132309SKlaus Jensen if (prinfo & NVME_PRINFO_PRACT) { 248288eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 248388eea45cSKlaus Jensen } 248488eea45cSKlaus Jensen } 248588eea45cSKlaus Jensen 248688eea45cSKlaus Jensen if (len > n->page_size << n->params.vsl) { 248788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 248888eea45cSKlaus Jensen } 248988eea45cSKlaus Jensen 249088eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 249188eea45cSKlaus Jensen if (status) { 249288eea45cSKlaus Jensen return status; 249388eea45cSKlaus Jensen } 249488eea45cSKlaus Jensen 249588eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 249688eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 249788eea45cSKlaus Jensen if (status) { 249888eea45cSKlaus Jensen return status; 249988eea45cSKlaus Jensen } 250088eea45cSKlaus Jensen } 250188eea45cSKlaus Jensen 250288eea45cSKlaus Jensen ctx = g_new0(NvmeBounceContext, 1); 250388eea45cSKlaus Jensen ctx->req = req; 250488eea45cSKlaus Jensen 250588eea45cSKlaus Jensen ctx->data.bounce = g_malloc(len); 250688eea45cSKlaus Jensen 250788eea45cSKlaus Jensen qemu_iovec_init(&ctx->data.iov, 1); 250888eea45cSKlaus Jensen qemu_iovec_add(&ctx->data.iov, ctx->data.bounce, len); 250988eea45cSKlaus Jensen 251088eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, ctx->data.iov.size, 251188eea45cSKlaus Jensen BLOCK_ACCT_READ); 251288eea45cSKlaus Jensen 251388eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(ns->blkconf.blk, offset, &ctx->data.iov, 0, 251488eea45cSKlaus Jensen nvme_verify_mdata_in_cb, ctx); 251588eea45cSKlaus Jensen return NVME_NO_COMPLETE; 251688eea45cSKlaus Jensen } 251788eea45cSKlaus Jensen 2518796d2068SKlaus Jensen typedef struct NvmeCopyAIOCB { 2519796d2068SKlaus Jensen BlockAIOCB common; 2520796d2068SKlaus Jensen BlockAIOCB *aiocb; 2521796d2068SKlaus Jensen NvmeRequest *req; 2522796d2068SKlaus Jensen QEMUBH *bh; 2523796d2068SKlaus Jensen int ret; 2524796d2068SKlaus Jensen 2525796d2068SKlaus Jensen NvmeCopySourceRange *ranges; 2526796d2068SKlaus Jensen int nr; 2527796d2068SKlaus Jensen int idx; 2528796d2068SKlaus Jensen 2529796d2068SKlaus Jensen uint8_t *bounce; 2530796d2068SKlaus Jensen QEMUIOVector iov; 2531796d2068SKlaus Jensen struct { 2532796d2068SKlaus Jensen BlockAcctCookie read; 2533796d2068SKlaus Jensen BlockAcctCookie write; 2534796d2068SKlaus Jensen } acct; 2535796d2068SKlaus Jensen 2536796d2068SKlaus Jensen uint32_t reftag; 2537796d2068SKlaus Jensen uint64_t slba; 2538796d2068SKlaus Jensen 2539796d2068SKlaus Jensen NvmeZone *zone; 2540796d2068SKlaus Jensen } NvmeCopyAIOCB; 2541796d2068SKlaus Jensen 2542796d2068SKlaus Jensen static void nvme_copy_cancel(BlockAIOCB *aiocb) 254388eea45cSKlaus Jensen { 2544796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = container_of(aiocb, NvmeCopyAIOCB, common); 2545796d2068SKlaus Jensen 2546796d2068SKlaus Jensen iocb->ret = -ECANCELED; 2547796d2068SKlaus Jensen 2548796d2068SKlaus Jensen if (iocb->aiocb) { 2549796d2068SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 2550796d2068SKlaus Jensen iocb->aiocb = NULL; 2551796d2068SKlaus Jensen } 2552796d2068SKlaus Jensen } 2553796d2068SKlaus Jensen 2554796d2068SKlaus Jensen static const AIOCBInfo nvme_copy_aiocb_info = { 2555796d2068SKlaus Jensen .aiocb_size = sizeof(NvmeCopyAIOCB), 2556796d2068SKlaus Jensen .cancel_async = nvme_copy_cancel, 2557796d2068SKlaus Jensen }; 2558796d2068SKlaus Jensen 2559796d2068SKlaus Jensen static void nvme_copy_bh(void *opaque) 2560796d2068SKlaus Jensen { 2561796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2562796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 256388eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 2564796d2068SKlaus Jensen BlockAcctStats *stats = blk_get_stats(ns->blkconf.blk); 2565796d2068SKlaus Jensen 2566796d2068SKlaus Jensen if (iocb->idx != iocb->nr) { 2567796d2068SKlaus Jensen req->cqe.result = cpu_to_le32(iocb->idx); 2568796d2068SKlaus Jensen } 2569796d2068SKlaus Jensen 2570796d2068SKlaus Jensen qemu_iovec_destroy(&iocb->iov); 2571796d2068SKlaus Jensen g_free(iocb->bounce); 2572796d2068SKlaus Jensen 2573796d2068SKlaus Jensen qemu_bh_delete(iocb->bh); 2574796d2068SKlaus Jensen iocb->bh = NULL; 2575796d2068SKlaus Jensen 2576796d2068SKlaus Jensen if (iocb->ret < 0) { 2577796d2068SKlaus Jensen block_acct_failed(stats, &iocb->acct.read); 2578796d2068SKlaus Jensen block_acct_failed(stats, &iocb->acct.write); 2579796d2068SKlaus Jensen } else { 2580796d2068SKlaus Jensen block_acct_done(stats, &iocb->acct.read); 2581796d2068SKlaus Jensen block_acct_done(stats, &iocb->acct.write); 2582796d2068SKlaus Jensen } 2583796d2068SKlaus Jensen 2584796d2068SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 2585796d2068SKlaus Jensen qemu_aio_unref(iocb); 2586796d2068SKlaus Jensen } 2587796d2068SKlaus Jensen 2588796d2068SKlaus Jensen static void nvme_copy_cb(void *opaque, int ret); 2589796d2068SKlaus Jensen 2590796d2068SKlaus Jensen static void nvme_copy_out_completed_cb(void *opaque, int ret) 2591796d2068SKlaus Jensen { 2592796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2593796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2594796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2595796d2068SKlaus Jensen NvmeCopySourceRange *range = &iocb->ranges[iocb->idx]; 2596796d2068SKlaus Jensen uint32_t nlb = le32_to_cpu(range->nlb) + 1; 2597796d2068SKlaus Jensen 2598796d2068SKlaus Jensen if (ret < 0) { 2599796d2068SKlaus Jensen iocb->ret = ret; 2600796d2068SKlaus Jensen goto out; 2601796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2602796d2068SKlaus Jensen goto out; 2603796d2068SKlaus Jensen } 2604796d2068SKlaus Jensen 2605796d2068SKlaus Jensen if (ns->params.zoned) { 2606796d2068SKlaus Jensen nvme_advance_zone_wp(ns, iocb->zone, nlb); 2607796d2068SKlaus Jensen } 2608796d2068SKlaus Jensen 2609796d2068SKlaus Jensen iocb->idx++; 2610796d2068SKlaus Jensen iocb->slba += nlb; 2611796d2068SKlaus Jensen out: 2612796d2068SKlaus Jensen nvme_copy_cb(iocb, iocb->ret); 2613796d2068SKlaus Jensen } 2614796d2068SKlaus Jensen 2615796d2068SKlaus Jensen static void nvme_copy_out_cb(void *opaque, int ret) 2616796d2068SKlaus Jensen { 2617796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2618796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2619796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2620796d2068SKlaus Jensen NvmeCopySourceRange *range; 2621796d2068SKlaus Jensen uint32_t nlb; 2622796d2068SKlaus Jensen size_t mlen; 2623796d2068SKlaus Jensen uint8_t *mbounce; 2624796d2068SKlaus Jensen 2625796d2068SKlaus Jensen if (ret < 0) { 2626796d2068SKlaus Jensen iocb->ret = ret; 2627796d2068SKlaus Jensen goto out; 2628796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2629796d2068SKlaus Jensen goto out; 2630796d2068SKlaus Jensen } 2631796d2068SKlaus Jensen 2632796d2068SKlaus Jensen if (!ns->lbaf.ms) { 2633796d2068SKlaus Jensen nvme_copy_out_completed_cb(iocb, 0); 2634796d2068SKlaus Jensen return; 2635796d2068SKlaus Jensen } 2636796d2068SKlaus Jensen 2637796d2068SKlaus Jensen range = &iocb->ranges[iocb->idx]; 2638796d2068SKlaus Jensen nlb = le32_to_cpu(range->nlb) + 1; 2639796d2068SKlaus Jensen 2640796d2068SKlaus Jensen mlen = nvme_m2b(ns, nlb); 2641796d2068SKlaus Jensen mbounce = iocb->bounce + nvme_l2b(ns, nlb); 2642796d2068SKlaus Jensen 2643796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2644796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, mbounce, mlen); 2645796d2068SKlaus Jensen 2646796d2068SKlaus Jensen iocb->aiocb = blk_aio_pwritev(ns->blkconf.blk, nvme_moff(ns, iocb->slba), 2647796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_out_completed_cb, 2648796d2068SKlaus Jensen iocb); 2649796d2068SKlaus Jensen 2650796d2068SKlaus Jensen return; 2651796d2068SKlaus Jensen 2652796d2068SKlaus Jensen out: 2653796d2068SKlaus Jensen nvme_copy_cb(iocb, ret); 2654796d2068SKlaus Jensen } 2655796d2068SKlaus Jensen 2656796d2068SKlaus Jensen static void nvme_copy_in_completed_cb(void *opaque, int ret) 2657796d2068SKlaus Jensen { 2658796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2659796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2660796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2661796d2068SKlaus Jensen NvmeCopySourceRange *range; 2662796d2068SKlaus Jensen uint32_t nlb; 2663796d2068SKlaus Jensen size_t len; 2664796d2068SKlaus Jensen uint16_t status; 2665796d2068SKlaus Jensen 2666796d2068SKlaus Jensen if (ret < 0) { 2667796d2068SKlaus Jensen iocb->ret = ret; 2668796d2068SKlaus Jensen goto out; 2669796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2670796d2068SKlaus Jensen goto out; 2671796d2068SKlaus Jensen } 2672796d2068SKlaus Jensen 2673796d2068SKlaus Jensen range = &iocb->ranges[iocb->idx]; 2674796d2068SKlaus Jensen nlb = le32_to_cpu(range->nlb) + 1; 2675796d2068SKlaus Jensen len = nvme_l2b(ns, nlb); 2676796d2068SKlaus Jensen 2677796d2068SKlaus Jensen trace_pci_nvme_copy_out(iocb->slba, nlb); 2678796d2068SKlaus Jensen 2679796d2068SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 268088eea45cSKlaus Jensen NvmeCopyCmd *copy = (NvmeCopyCmd *)&req->cmd; 268188eea45cSKlaus Jensen 2682796d2068SKlaus Jensen uint16_t prinfor = ((copy->control[0] >> 4) & 0xf); 2683796d2068SKlaus Jensen uint16_t prinfow = ((copy->control[2] >> 2) & 0xf); 268488eea45cSKlaus Jensen 2685796d2068SKlaus Jensen uint16_t apptag = le16_to_cpu(range->apptag); 2686796d2068SKlaus Jensen uint16_t appmask = le16_to_cpu(range->appmask); 2687796d2068SKlaus Jensen uint32_t reftag = le32_to_cpu(range->reftag); 2688796d2068SKlaus Jensen 2689796d2068SKlaus Jensen uint64_t slba = le64_to_cpu(range->slba); 2690796d2068SKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 2691796d2068SKlaus Jensen uint8_t *mbounce = iocb->bounce + nvme_l2b(ns, nlb); 2692796d2068SKlaus Jensen 2693796d2068SKlaus Jensen status = nvme_dif_check(ns, iocb->bounce, len, mbounce, mlen, prinfor, 2694796d2068SKlaus Jensen slba, apptag, appmask, &reftag); 2695796d2068SKlaus Jensen if (status) { 2696796d2068SKlaus Jensen goto invalid; 2697796d2068SKlaus Jensen } 2698796d2068SKlaus Jensen 2699796d2068SKlaus Jensen apptag = le16_to_cpu(copy->apptag); 2700796d2068SKlaus Jensen appmask = le16_to_cpu(copy->appmask); 2701796d2068SKlaus Jensen 2702796d2068SKlaus Jensen if (prinfow & NVME_PRINFO_PRACT) { 2703796d2068SKlaus Jensen status = nvme_check_prinfo(ns, prinfow, iocb->slba, iocb->reftag); 2704796d2068SKlaus Jensen if (status) { 2705796d2068SKlaus Jensen goto invalid; 2706796d2068SKlaus Jensen } 2707796d2068SKlaus Jensen 2708796d2068SKlaus Jensen nvme_dif_pract_generate_dif(ns, iocb->bounce, len, mbounce, mlen, 2709796d2068SKlaus Jensen apptag, &iocb->reftag); 2710796d2068SKlaus Jensen } else { 2711796d2068SKlaus Jensen status = nvme_dif_check(ns, iocb->bounce, len, mbounce, mlen, 2712796d2068SKlaus Jensen prinfow, iocb->slba, apptag, appmask, 2713796d2068SKlaus Jensen &iocb->reftag); 2714796d2068SKlaus Jensen if (status) { 2715796d2068SKlaus Jensen goto invalid; 2716796d2068SKlaus Jensen } 2717796d2068SKlaus Jensen } 2718796d2068SKlaus Jensen } 2719796d2068SKlaus Jensen 2720796d2068SKlaus Jensen status = nvme_check_bounds(ns, iocb->slba, nlb); 2721796d2068SKlaus Jensen if (status) { 2722796d2068SKlaus Jensen goto invalid; 2723796d2068SKlaus Jensen } 2724796d2068SKlaus Jensen 2725796d2068SKlaus Jensen if (ns->params.zoned) { 2726796d2068SKlaus Jensen status = nvme_check_zone_write(ns, iocb->zone, iocb->slba, nlb); 2727796d2068SKlaus Jensen if (status) { 2728796d2068SKlaus Jensen goto invalid; 2729796d2068SKlaus Jensen } 2730796d2068SKlaus Jensen 2731*e321b4cdSKlaus Jensen if (!(iocb->zone->d.za & NVME_ZA_ZRWA_VALID)) { 2732796d2068SKlaus Jensen iocb->zone->w_ptr += nlb; 2733796d2068SKlaus Jensen } 2734*e321b4cdSKlaus Jensen } 2735796d2068SKlaus Jensen 2736796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2737796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce, len); 2738796d2068SKlaus Jensen 2739796d2068SKlaus Jensen iocb->aiocb = blk_aio_pwritev(ns->blkconf.blk, nvme_l2b(ns, iocb->slba), 2740796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_out_cb, iocb); 2741796d2068SKlaus Jensen 2742796d2068SKlaus Jensen return; 2743796d2068SKlaus Jensen 2744796d2068SKlaus Jensen invalid: 2745796d2068SKlaus Jensen req->status = status; 2746796d2068SKlaus Jensen iocb->aiocb = NULL; 2747796d2068SKlaus Jensen if (iocb->bh) { 2748796d2068SKlaus Jensen qemu_bh_schedule(iocb->bh); 2749796d2068SKlaus Jensen } 2750796d2068SKlaus Jensen 2751796d2068SKlaus Jensen return; 2752796d2068SKlaus Jensen 2753796d2068SKlaus Jensen out: 2754796d2068SKlaus Jensen nvme_copy_cb(iocb, ret); 2755796d2068SKlaus Jensen } 2756796d2068SKlaus Jensen 2757796d2068SKlaus Jensen static void nvme_copy_in_cb(void *opaque, int ret) 2758796d2068SKlaus Jensen { 2759796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2760796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2761796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2762796d2068SKlaus Jensen NvmeCopySourceRange *range; 2763796d2068SKlaus Jensen uint64_t slba; 2764796d2068SKlaus Jensen uint32_t nlb; 2765796d2068SKlaus Jensen 2766796d2068SKlaus Jensen if (ret < 0) { 2767796d2068SKlaus Jensen iocb->ret = ret; 2768796d2068SKlaus Jensen goto out; 2769796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2770796d2068SKlaus Jensen goto out; 2771796d2068SKlaus Jensen } 2772796d2068SKlaus Jensen 2773796d2068SKlaus Jensen if (!ns->lbaf.ms) { 2774796d2068SKlaus Jensen nvme_copy_in_completed_cb(iocb, 0); 2775796d2068SKlaus Jensen return; 2776796d2068SKlaus Jensen } 2777796d2068SKlaus Jensen 2778796d2068SKlaus Jensen range = &iocb->ranges[iocb->idx]; 2779796d2068SKlaus Jensen slba = le64_to_cpu(range->slba); 2780796d2068SKlaus Jensen nlb = le32_to_cpu(range->nlb) + 1; 2781796d2068SKlaus Jensen 2782796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2783796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce + nvme_l2b(ns, nlb), 2784796d2068SKlaus Jensen nvme_m2b(ns, nlb)); 2785796d2068SKlaus Jensen 2786796d2068SKlaus Jensen iocb->aiocb = blk_aio_preadv(ns->blkconf.blk, nvme_moff(ns, slba), 2787796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_in_completed_cb, 2788796d2068SKlaus Jensen iocb); 2789796d2068SKlaus Jensen return; 2790796d2068SKlaus Jensen 2791796d2068SKlaus Jensen out: 2792796d2068SKlaus Jensen nvme_copy_cb(iocb, iocb->ret); 2793796d2068SKlaus Jensen } 2794796d2068SKlaus Jensen 2795796d2068SKlaus Jensen static void nvme_copy_cb(void *opaque, int ret) 2796796d2068SKlaus Jensen { 2797796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2798796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2799796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2800796d2068SKlaus Jensen NvmeCopySourceRange *range; 2801796d2068SKlaus Jensen uint64_t slba; 2802796d2068SKlaus Jensen uint32_t nlb; 2803796d2068SKlaus Jensen size_t len; 280488eea45cSKlaus Jensen uint16_t status; 280588eea45cSKlaus Jensen 2806796d2068SKlaus Jensen if (ret < 0) { 2807796d2068SKlaus Jensen iocb->ret = ret; 2808796d2068SKlaus Jensen goto done; 2809796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2810796d2068SKlaus Jensen goto done; 281188eea45cSKlaus Jensen } 281288eea45cSKlaus Jensen 2813796d2068SKlaus Jensen if (iocb->idx == iocb->nr) { 2814796d2068SKlaus Jensen goto done; 281588eea45cSKlaus Jensen } 281688eea45cSKlaus Jensen 2817796d2068SKlaus Jensen range = &iocb->ranges[iocb->idx]; 2818796d2068SKlaus Jensen slba = le64_to_cpu(range->slba); 2819796d2068SKlaus Jensen nlb = le32_to_cpu(range->nlb) + 1; 2820796d2068SKlaus Jensen len = nvme_l2b(ns, nlb); 282188eea45cSKlaus Jensen 2822796d2068SKlaus Jensen trace_pci_nvme_copy_source_range(slba, nlb); 282388eea45cSKlaus Jensen 2824796d2068SKlaus Jensen if (nlb > le16_to_cpu(ns->id_ns.mssrl)) { 282588eea45cSKlaus Jensen status = NVME_CMD_SIZE_LIMIT | NVME_DNR; 2826796d2068SKlaus Jensen goto invalid; 282788eea45cSKlaus Jensen } 282888eea45cSKlaus Jensen 2829796d2068SKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 283088eea45cSKlaus Jensen if (status) { 2831796d2068SKlaus Jensen goto invalid; 283288eea45cSKlaus Jensen } 283388eea45cSKlaus Jensen 283488eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 2835796d2068SKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 283688eea45cSKlaus Jensen if (status) { 2837796d2068SKlaus Jensen goto invalid; 283888eea45cSKlaus Jensen } 283988eea45cSKlaus Jensen } 284088eea45cSKlaus Jensen 284188eea45cSKlaus Jensen if (ns->params.zoned) { 2842796d2068SKlaus Jensen status = nvme_check_zone_read(ns, slba, nlb); 284388eea45cSKlaus Jensen if (status) { 2844796d2068SKlaus Jensen goto invalid; 284588eea45cSKlaus Jensen } 284688eea45cSKlaus Jensen } 284788eea45cSKlaus Jensen 2848796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2849796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce, len); 2850796d2068SKlaus Jensen 2851796d2068SKlaus Jensen iocb->aiocb = blk_aio_preadv(ns->blkconf.blk, nvme_l2b(ns, slba), 2852796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_in_cb, iocb); 2853796d2068SKlaus Jensen return; 2854796d2068SKlaus Jensen 2855796d2068SKlaus Jensen invalid: 2856796d2068SKlaus Jensen req->status = status; 2857796d2068SKlaus Jensen done: 2858796d2068SKlaus Jensen iocb->aiocb = NULL; 2859796d2068SKlaus Jensen if (iocb->bh) { 2860796d2068SKlaus Jensen qemu_bh_schedule(iocb->bh); 2861796d2068SKlaus Jensen } 286288eea45cSKlaus Jensen } 286388eea45cSKlaus Jensen 2864796d2068SKlaus Jensen 2865796d2068SKlaus Jensen static uint16_t nvme_copy(NvmeCtrl *n, NvmeRequest *req) 2866796d2068SKlaus Jensen { 2867796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2868796d2068SKlaus Jensen NvmeCopyCmd *copy = (NvmeCopyCmd *)&req->cmd; 2869796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = blk_aio_get(&nvme_copy_aiocb_info, ns->blkconf.blk, 2870796d2068SKlaus Jensen nvme_misc_cb, req); 2871796d2068SKlaus Jensen uint16_t nr = copy->nr + 1; 2872796d2068SKlaus Jensen uint8_t format = copy->control[0] & 0xf; 2873796d2068SKlaus Jensen uint16_t prinfor = ((copy->control[0] >> 4) & 0xf); 2874796d2068SKlaus Jensen uint16_t prinfow = ((copy->control[2] >> 2) & 0xf); 2875796d2068SKlaus Jensen 2876796d2068SKlaus Jensen uint16_t status; 2877796d2068SKlaus Jensen 2878796d2068SKlaus Jensen trace_pci_nvme_copy(nvme_cid(req), nvme_nsid(ns), nr, format); 2879796d2068SKlaus Jensen 2880796d2068SKlaus Jensen iocb->ranges = NULL; 2881796d2068SKlaus Jensen iocb->zone = NULL; 2882796d2068SKlaus Jensen 2883796d2068SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) && 2884796d2068SKlaus Jensen ((prinfor & NVME_PRINFO_PRACT) != (prinfow & NVME_PRINFO_PRACT))) { 2885796d2068SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 2886796d2068SKlaus Jensen goto invalid; 2887796d2068SKlaus Jensen } 2888796d2068SKlaus Jensen 2889796d2068SKlaus Jensen if (!(n->id_ctrl.ocfs & (1 << format))) { 2890796d2068SKlaus Jensen trace_pci_nvme_err_copy_invalid_format(format); 2891796d2068SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 2892796d2068SKlaus Jensen goto invalid; 2893796d2068SKlaus Jensen } 2894796d2068SKlaus Jensen 2895796d2068SKlaus Jensen if (nr > ns->id_ns.msrc + 1) { 289688eea45cSKlaus Jensen status = NVME_CMD_SIZE_LIMIT | NVME_DNR; 2897796d2068SKlaus Jensen goto invalid; 289888eea45cSKlaus Jensen } 289988eea45cSKlaus Jensen 2900796d2068SKlaus Jensen iocb->ranges = g_new(NvmeCopySourceRange, nr); 2901796d2068SKlaus Jensen 2902796d2068SKlaus Jensen status = nvme_h2c(n, (uint8_t *)iocb->ranges, 2903796d2068SKlaus Jensen sizeof(NvmeCopySourceRange) * nr, req); 2904796d2068SKlaus Jensen if (status) { 2905796d2068SKlaus Jensen goto invalid; 290688eea45cSKlaus Jensen } 290788eea45cSKlaus Jensen 2908796d2068SKlaus Jensen iocb->slba = le64_to_cpu(copy->sdlba); 2909796d2068SKlaus Jensen 2910796d2068SKlaus Jensen if (ns->params.zoned) { 2911796d2068SKlaus Jensen iocb->zone = nvme_get_zone_by_slba(ns, iocb->slba); 2912796d2068SKlaus Jensen if (!iocb->zone) { 2913796d2068SKlaus Jensen status = NVME_LBA_RANGE | NVME_DNR; 2914796d2068SKlaus Jensen goto invalid; 2915796d2068SKlaus Jensen } 2916796d2068SKlaus Jensen 2917796d2068SKlaus Jensen status = nvme_zrm_auto(n, ns, iocb->zone); 2918796d2068SKlaus Jensen if (status) { 2919796d2068SKlaus Jensen goto invalid; 2920796d2068SKlaus Jensen } 2921796d2068SKlaus Jensen } 2922796d2068SKlaus Jensen 2923796d2068SKlaus Jensen iocb->req = req; 2924796d2068SKlaus Jensen iocb->bh = qemu_bh_new(nvme_copy_bh, iocb); 2925796d2068SKlaus Jensen iocb->ret = 0; 2926796d2068SKlaus Jensen iocb->nr = nr; 2927796d2068SKlaus Jensen iocb->idx = 0; 2928796d2068SKlaus Jensen iocb->reftag = le32_to_cpu(copy->reftag); 2929796d2068SKlaus Jensen iocb->bounce = g_malloc_n(le16_to_cpu(ns->id_ns.mssrl), 2930796d2068SKlaus Jensen ns->lbasz + ns->lbaf.ms); 2931796d2068SKlaus Jensen 2932796d2068SKlaus Jensen qemu_iovec_init(&iocb->iov, 1); 2933796d2068SKlaus Jensen 2934796d2068SKlaus Jensen block_acct_start(blk_get_stats(ns->blkconf.blk), &iocb->acct.read, 0, 293588eea45cSKlaus Jensen BLOCK_ACCT_READ); 2936796d2068SKlaus Jensen block_acct_start(blk_get_stats(ns->blkconf.blk), &iocb->acct.write, 0, 2937796d2068SKlaus Jensen BLOCK_ACCT_WRITE); 293888eea45cSKlaus Jensen 2939796d2068SKlaus Jensen req->aiocb = &iocb->common; 2940796d2068SKlaus Jensen nvme_copy_cb(iocb, 0); 294188eea45cSKlaus Jensen 294288eea45cSKlaus Jensen return NVME_NO_COMPLETE; 294388eea45cSKlaus Jensen 2944796d2068SKlaus Jensen invalid: 2945796d2068SKlaus Jensen g_free(iocb->ranges); 2946796d2068SKlaus Jensen qemu_aio_unref(iocb); 294788eea45cSKlaus Jensen return status; 294888eea45cSKlaus Jensen } 294988eea45cSKlaus Jensen 295088eea45cSKlaus Jensen static uint16_t nvme_compare(NvmeCtrl *n, NvmeRequest *req) 295188eea45cSKlaus Jensen { 295288eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 295388eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 295488eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 295588eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 295688eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 29572a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 295888eea45cSKlaus Jensen size_t data_len = nvme_l2b(ns, nlb); 295988eea45cSKlaus Jensen size_t len = data_len; 296088eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 296188eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = NULL; 296288eea45cSKlaus Jensen uint16_t status; 296388eea45cSKlaus Jensen 296488eea45cSKlaus Jensen trace_pci_nvme_compare(nvme_cid(req), nvme_nsid(ns), slba, nlb); 296588eea45cSKlaus Jensen 29662a132309SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) && (prinfo & NVME_PRINFO_PRACT)) { 296788eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 296888eea45cSKlaus Jensen } 296988eea45cSKlaus Jensen 297088eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 297188eea45cSKlaus Jensen len += nvme_m2b(ns, nlb); 297288eea45cSKlaus Jensen } 297388eea45cSKlaus Jensen 297488eea45cSKlaus Jensen status = nvme_check_mdts(n, len); 297588eea45cSKlaus Jensen if (status) { 297688eea45cSKlaus Jensen return status; 297788eea45cSKlaus Jensen } 297888eea45cSKlaus Jensen 297988eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 298088eea45cSKlaus Jensen if (status) { 298188eea45cSKlaus Jensen return status; 298288eea45cSKlaus Jensen } 298388eea45cSKlaus Jensen 298488eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 298588eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 298688eea45cSKlaus Jensen if (status) { 298788eea45cSKlaus Jensen return status; 298888eea45cSKlaus Jensen } 298988eea45cSKlaus Jensen } 299088eea45cSKlaus Jensen 299188eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 299288eea45cSKlaus Jensen if (status) { 299388eea45cSKlaus Jensen return status; 299488eea45cSKlaus Jensen } 299588eea45cSKlaus Jensen 299688eea45cSKlaus Jensen ctx = g_new(struct nvme_compare_ctx, 1); 299788eea45cSKlaus Jensen ctx->data.bounce = g_malloc(data_len); 299888eea45cSKlaus Jensen 299988eea45cSKlaus Jensen req->opaque = ctx; 300088eea45cSKlaus Jensen 300188eea45cSKlaus Jensen qemu_iovec_init(&ctx->data.iov, 1); 300288eea45cSKlaus Jensen qemu_iovec_add(&ctx->data.iov, ctx->data.bounce, data_len); 300388eea45cSKlaus Jensen 300488eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_len, 300588eea45cSKlaus Jensen BLOCK_ACCT_READ); 300688eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->data.iov, 0, 300788eea45cSKlaus Jensen nvme_compare_data_cb, req); 300888eea45cSKlaus Jensen 300988eea45cSKlaus Jensen return NVME_NO_COMPLETE; 301088eea45cSKlaus Jensen } 301188eea45cSKlaus Jensen 301238f4ac65SKlaus Jensen typedef struct NvmeFlushAIOCB { 301338f4ac65SKlaus Jensen BlockAIOCB common; 301438f4ac65SKlaus Jensen BlockAIOCB *aiocb; 301538f4ac65SKlaus Jensen NvmeRequest *req; 301638f4ac65SKlaus Jensen QEMUBH *bh; 301738f4ac65SKlaus Jensen int ret; 301838f4ac65SKlaus Jensen 301938f4ac65SKlaus Jensen NvmeNamespace *ns; 302038f4ac65SKlaus Jensen uint32_t nsid; 302138f4ac65SKlaus Jensen bool broadcast; 302238f4ac65SKlaus Jensen } NvmeFlushAIOCB; 302338f4ac65SKlaus Jensen 302438f4ac65SKlaus Jensen static void nvme_flush_cancel(BlockAIOCB *acb) 302538f4ac65SKlaus Jensen { 302638f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = container_of(acb, NvmeFlushAIOCB, common); 302738f4ac65SKlaus Jensen 302838f4ac65SKlaus Jensen iocb->ret = -ECANCELED; 302938f4ac65SKlaus Jensen 303038f4ac65SKlaus Jensen if (iocb->aiocb) { 303138f4ac65SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 303238f4ac65SKlaus Jensen } 303338f4ac65SKlaus Jensen } 303438f4ac65SKlaus Jensen 303538f4ac65SKlaus Jensen static const AIOCBInfo nvme_flush_aiocb_info = { 303638f4ac65SKlaus Jensen .aiocb_size = sizeof(NvmeFlushAIOCB), 303738f4ac65SKlaus Jensen .cancel_async = nvme_flush_cancel, 303838f4ac65SKlaus Jensen .get_aio_context = nvme_get_aio_context, 303938f4ac65SKlaus Jensen }; 304038f4ac65SKlaus Jensen 304138f4ac65SKlaus Jensen static void nvme_flush_ns_cb(void *opaque, int ret) 304238f4ac65SKlaus Jensen { 304338f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = opaque; 304438f4ac65SKlaus Jensen NvmeNamespace *ns = iocb->ns; 304538f4ac65SKlaus Jensen 304638f4ac65SKlaus Jensen if (ret < 0) { 304738f4ac65SKlaus Jensen iocb->ret = ret; 304838f4ac65SKlaus Jensen goto out; 304938f4ac65SKlaus Jensen } else if (iocb->ret < 0) { 305038f4ac65SKlaus Jensen goto out; 305138f4ac65SKlaus Jensen } 305238f4ac65SKlaus Jensen 305338f4ac65SKlaus Jensen if (ns) { 305438f4ac65SKlaus Jensen trace_pci_nvme_flush_ns(iocb->nsid); 305538f4ac65SKlaus Jensen 305638f4ac65SKlaus Jensen iocb->ns = NULL; 305738f4ac65SKlaus Jensen iocb->aiocb = blk_aio_flush(ns->blkconf.blk, nvme_flush_ns_cb, iocb); 305838f4ac65SKlaus Jensen return; 305938f4ac65SKlaus Jensen } 306038f4ac65SKlaus Jensen 306138f4ac65SKlaus Jensen out: 306238f4ac65SKlaus Jensen iocb->aiocb = NULL; 306338f4ac65SKlaus Jensen qemu_bh_schedule(iocb->bh); 306438f4ac65SKlaus Jensen } 306538f4ac65SKlaus Jensen 306638f4ac65SKlaus Jensen static void nvme_flush_bh(void *opaque) 306738f4ac65SKlaus Jensen { 306838f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = opaque; 306938f4ac65SKlaus Jensen NvmeRequest *req = iocb->req; 307038f4ac65SKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 307138f4ac65SKlaus Jensen int i; 307238f4ac65SKlaus Jensen 307338f4ac65SKlaus Jensen if (iocb->ret < 0) { 307438f4ac65SKlaus Jensen goto done; 307538f4ac65SKlaus Jensen } 307638f4ac65SKlaus Jensen 307738f4ac65SKlaus Jensen if (iocb->broadcast) { 307838f4ac65SKlaus Jensen for (i = iocb->nsid + 1; i <= NVME_MAX_NAMESPACES; i++) { 307938f4ac65SKlaus Jensen iocb->ns = nvme_ns(n, i); 308038f4ac65SKlaus Jensen if (iocb->ns) { 308138f4ac65SKlaus Jensen iocb->nsid = i; 308238f4ac65SKlaus Jensen break; 308338f4ac65SKlaus Jensen } 308438f4ac65SKlaus Jensen } 308538f4ac65SKlaus Jensen } 308638f4ac65SKlaus Jensen 308738f4ac65SKlaus Jensen if (!iocb->ns) { 308838f4ac65SKlaus Jensen goto done; 308938f4ac65SKlaus Jensen } 309038f4ac65SKlaus Jensen 309138f4ac65SKlaus Jensen nvme_flush_ns_cb(iocb, 0); 309238f4ac65SKlaus Jensen return; 309338f4ac65SKlaus Jensen 309438f4ac65SKlaus Jensen done: 309538f4ac65SKlaus Jensen qemu_bh_delete(iocb->bh); 309638f4ac65SKlaus Jensen iocb->bh = NULL; 309738f4ac65SKlaus Jensen 309838f4ac65SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 309938f4ac65SKlaus Jensen 310038f4ac65SKlaus Jensen qemu_aio_unref(iocb); 310138f4ac65SKlaus Jensen 310238f4ac65SKlaus Jensen return; 310338f4ac65SKlaus Jensen } 310438f4ac65SKlaus Jensen 310588eea45cSKlaus Jensen static uint16_t nvme_flush(NvmeCtrl *n, NvmeRequest *req) 310688eea45cSKlaus Jensen { 310738f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb; 310888eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 310988eea45cSKlaus Jensen uint16_t status; 311088eea45cSKlaus Jensen 311138f4ac65SKlaus Jensen iocb = qemu_aio_get(&nvme_flush_aiocb_info, NULL, nvme_misc_cb, req); 311288eea45cSKlaus Jensen 311338f4ac65SKlaus Jensen iocb->req = req; 311438f4ac65SKlaus Jensen iocb->bh = qemu_bh_new(nvme_flush_bh, iocb); 311538f4ac65SKlaus Jensen iocb->ret = 0; 311638f4ac65SKlaus Jensen iocb->ns = NULL; 311738f4ac65SKlaus Jensen iocb->nsid = 0; 311838f4ac65SKlaus Jensen iocb->broadcast = (nsid == NVME_NSID_BROADCAST); 311938f4ac65SKlaus Jensen 312038f4ac65SKlaus Jensen if (!iocb->broadcast) { 312138f4ac65SKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 312238f4ac65SKlaus Jensen status = NVME_INVALID_NSID | NVME_DNR; 312338f4ac65SKlaus Jensen goto out; 312488eea45cSKlaus Jensen } 312588eea45cSKlaus Jensen 312638f4ac65SKlaus Jensen iocb->ns = nvme_ns(n, nsid); 312738f4ac65SKlaus Jensen if (!iocb->ns) { 312838f4ac65SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 312938f4ac65SKlaus Jensen goto out; 313038f4ac65SKlaus Jensen } 313138f4ac65SKlaus Jensen 313238f4ac65SKlaus Jensen iocb->nsid = nsid; 313338f4ac65SKlaus Jensen } 313438f4ac65SKlaus Jensen 313538f4ac65SKlaus Jensen req->aiocb = &iocb->common; 313638f4ac65SKlaus Jensen qemu_bh_schedule(iocb->bh); 313738f4ac65SKlaus Jensen 313888eea45cSKlaus Jensen return NVME_NO_COMPLETE; 313988eea45cSKlaus Jensen 314038f4ac65SKlaus Jensen out: 314138f4ac65SKlaus Jensen qemu_bh_delete(iocb->bh); 314238f4ac65SKlaus Jensen iocb->bh = NULL; 314338f4ac65SKlaus Jensen qemu_aio_unref(iocb); 314488eea45cSKlaus Jensen 314588eea45cSKlaus Jensen return status; 314688eea45cSKlaus Jensen } 314788eea45cSKlaus Jensen 314888eea45cSKlaus Jensen static uint16_t nvme_read(NvmeCtrl *n, NvmeRequest *req) 314988eea45cSKlaus Jensen { 315088eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 315188eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 315288eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 315388eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 31542a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 315588eea45cSKlaus Jensen uint64_t data_size = nvme_l2b(ns, nlb); 315688eea45cSKlaus Jensen uint64_t mapped_size = data_size; 315788eea45cSKlaus Jensen uint64_t data_offset; 315888eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 315988eea45cSKlaus Jensen uint16_t status; 316088eea45cSKlaus Jensen 316188eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 316288eea45cSKlaus Jensen mapped_size += nvme_m2b(ns, nlb); 316388eea45cSKlaus Jensen 316488eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 31652a132309SKlaus Jensen bool pract = prinfo & NVME_PRINFO_PRACT; 316688eea45cSKlaus Jensen 316788eea45cSKlaus Jensen if (pract && ns->lbaf.ms == 8) { 316888eea45cSKlaus Jensen mapped_size = data_size; 316988eea45cSKlaus Jensen } 317088eea45cSKlaus Jensen } 317188eea45cSKlaus Jensen } 317288eea45cSKlaus Jensen 317388eea45cSKlaus Jensen trace_pci_nvme_read(nvme_cid(req), nvme_nsid(ns), nlb, mapped_size, slba); 317488eea45cSKlaus Jensen 317588eea45cSKlaus Jensen status = nvme_check_mdts(n, mapped_size); 317688eea45cSKlaus Jensen if (status) { 317788eea45cSKlaus Jensen goto invalid; 317888eea45cSKlaus Jensen } 317988eea45cSKlaus Jensen 318088eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 318188eea45cSKlaus Jensen if (status) { 318288eea45cSKlaus Jensen goto invalid; 318388eea45cSKlaus Jensen } 318488eea45cSKlaus Jensen 318588eea45cSKlaus Jensen if (ns->params.zoned) { 318688eea45cSKlaus Jensen status = nvme_check_zone_read(ns, slba, nlb); 318788eea45cSKlaus Jensen if (status) { 318888eea45cSKlaus Jensen trace_pci_nvme_err_zone_read_not_ok(slba, nlb, status); 318988eea45cSKlaus Jensen goto invalid; 319088eea45cSKlaus Jensen } 319188eea45cSKlaus Jensen } 319288eea45cSKlaus Jensen 319388eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 319488eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 319588eea45cSKlaus Jensen if (status) { 319688eea45cSKlaus Jensen goto invalid; 319788eea45cSKlaus Jensen } 319888eea45cSKlaus Jensen } 319988eea45cSKlaus Jensen 320088eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 320188eea45cSKlaus Jensen return nvme_dif_rw(n, req); 320288eea45cSKlaus Jensen } 320388eea45cSKlaus Jensen 320488eea45cSKlaus Jensen status = nvme_map_data(n, nlb, req); 320588eea45cSKlaus Jensen if (status) { 320688eea45cSKlaus Jensen goto invalid; 320788eea45cSKlaus Jensen } 320888eea45cSKlaus Jensen 320988eea45cSKlaus Jensen data_offset = nvme_l2b(ns, slba); 321088eea45cSKlaus Jensen 321188eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_size, 321288eea45cSKlaus Jensen BLOCK_ACCT_READ); 321388eea45cSKlaus Jensen nvme_blk_read(blk, data_offset, nvme_rw_cb, req); 321488eea45cSKlaus Jensen return NVME_NO_COMPLETE; 321588eea45cSKlaus Jensen 321688eea45cSKlaus Jensen invalid: 321788eea45cSKlaus Jensen block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_READ); 321888eea45cSKlaus Jensen return status | NVME_DNR; 321988eea45cSKlaus Jensen } 322088eea45cSKlaus Jensen 322188eea45cSKlaus Jensen static uint16_t nvme_do_write(NvmeCtrl *n, NvmeRequest *req, bool append, 322288eea45cSKlaus Jensen bool wrz) 322388eea45cSKlaus Jensen { 322488eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 322588eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 322688eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 322788eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 322888eea45cSKlaus Jensen uint16_t ctrl = le16_to_cpu(rw->control); 32292a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(ctrl); 323088eea45cSKlaus Jensen uint64_t data_size = nvme_l2b(ns, nlb); 323188eea45cSKlaus Jensen uint64_t mapped_size = data_size; 323288eea45cSKlaus Jensen uint64_t data_offset; 323388eea45cSKlaus Jensen NvmeZone *zone; 323488eea45cSKlaus Jensen NvmeZonedResult *res = (NvmeZonedResult *)&req->cqe; 323588eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 323688eea45cSKlaus Jensen uint16_t status; 323788eea45cSKlaus Jensen 323888eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 323988eea45cSKlaus Jensen mapped_size += nvme_m2b(ns, nlb); 324088eea45cSKlaus Jensen 324188eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 32422a132309SKlaus Jensen bool pract = prinfo & NVME_PRINFO_PRACT; 324388eea45cSKlaus Jensen 324488eea45cSKlaus Jensen if (pract && ns->lbaf.ms == 8) { 324588eea45cSKlaus Jensen mapped_size -= nvme_m2b(ns, nlb); 324688eea45cSKlaus Jensen } 324788eea45cSKlaus Jensen } 324888eea45cSKlaus Jensen } 324988eea45cSKlaus Jensen 325088eea45cSKlaus Jensen trace_pci_nvme_write(nvme_cid(req), nvme_io_opc_str(rw->opcode), 325188eea45cSKlaus Jensen nvme_nsid(ns), nlb, mapped_size, slba); 325288eea45cSKlaus Jensen 325388eea45cSKlaus Jensen if (!wrz) { 325488eea45cSKlaus Jensen status = nvme_check_mdts(n, mapped_size); 325588eea45cSKlaus Jensen if (status) { 325688eea45cSKlaus Jensen goto invalid; 325788eea45cSKlaus Jensen } 325888eea45cSKlaus Jensen } 325988eea45cSKlaus Jensen 326088eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 326188eea45cSKlaus Jensen if (status) { 326288eea45cSKlaus Jensen goto invalid; 326388eea45cSKlaus Jensen } 326488eea45cSKlaus Jensen 326588eea45cSKlaus Jensen if (ns->params.zoned) { 326688eea45cSKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 3267189a8bf7SKlaus Jensen assert(zone); 326888eea45cSKlaus Jensen 326988eea45cSKlaus Jensen if (append) { 327088eea45cSKlaus Jensen bool piremap = !!(ctrl & NVME_RW_PIREMAP); 327188eea45cSKlaus Jensen 3272*e321b4cdSKlaus Jensen if (unlikely(zone->d.za & NVME_ZA_ZRWA_VALID)) { 3273*e321b4cdSKlaus Jensen return NVME_INVALID_ZONE_OP | NVME_DNR; 3274*e321b4cdSKlaus Jensen } 3275*e321b4cdSKlaus Jensen 327688eea45cSKlaus Jensen if (unlikely(slba != zone->d.zslba)) { 327788eea45cSKlaus Jensen trace_pci_nvme_err_append_not_at_start(slba, zone->d.zslba); 327888eea45cSKlaus Jensen status = NVME_INVALID_FIELD; 327988eea45cSKlaus Jensen goto invalid; 328088eea45cSKlaus Jensen } 328188eea45cSKlaus Jensen 328288eea45cSKlaus Jensen if (n->params.zasl && 328388eea45cSKlaus Jensen data_size > (uint64_t)n->page_size << n->params.zasl) { 328488eea45cSKlaus Jensen trace_pci_nvme_err_zasl(data_size); 328588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 328688eea45cSKlaus Jensen } 328788eea45cSKlaus Jensen 328888eea45cSKlaus Jensen slba = zone->w_ptr; 328988eea45cSKlaus Jensen rw->slba = cpu_to_le64(slba); 329088eea45cSKlaus Jensen res->slba = cpu_to_le64(slba); 329188eea45cSKlaus Jensen 329288eea45cSKlaus Jensen switch (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 329388eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_1: 329488eea45cSKlaus Jensen if (!piremap) { 329588eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 329688eea45cSKlaus Jensen } 329788eea45cSKlaus Jensen 329888eea45cSKlaus Jensen /* fallthrough */ 329988eea45cSKlaus Jensen 330088eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_2: 330188eea45cSKlaus Jensen if (piremap) { 330288eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 330388eea45cSKlaus Jensen rw->reftag = cpu_to_le32(reftag + (slba - zone->d.zslba)); 330488eea45cSKlaus Jensen } 330588eea45cSKlaus Jensen 330688eea45cSKlaus Jensen break; 330788eea45cSKlaus Jensen 330888eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_3: 330988eea45cSKlaus Jensen if (piremap) { 331088eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 331188eea45cSKlaus Jensen } 331288eea45cSKlaus Jensen 331388eea45cSKlaus Jensen break; 331488eea45cSKlaus Jensen } 331588eea45cSKlaus Jensen } 331688eea45cSKlaus Jensen 331788eea45cSKlaus Jensen status = nvme_check_zone_write(ns, zone, slba, nlb); 331888eea45cSKlaus Jensen if (status) { 331988eea45cSKlaus Jensen goto invalid; 332088eea45cSKlaus Jensen } 332188eea45cSKlaus Jensen 3322cccc2651SNiklas Cassel status = nvme_zrm_auto(n, ns, zone); 332388eea45cSKlaus Jensen if (status) { 332488eea45cSKlaus Jensen goto invalid; 332588eea45cSKlaus Jensen } 332688eea45cSKlaus Jensen 3327*e321b4cdSKlaus Jensen if (!(zone->d.za & NVME_ZA_ZRWA_VALID)) { 332888eea45cSKlaus Jensen zone->w_ptr += nlb; 332988eea45cSKlaus Jensen } 3330*e321b4cdSKlaus Jensen } 333188eea45cSKlaus Jensen 333288eea45cSKlaus Jensen data_offset = nvme_l2b(ns, slba); 333388eea45cSKlaus Jensen 333488eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 333588eea45cSKlaus Jensen return nvme_dif_rw(n, req); 333688eea45cSKlaus Jensen } 333788eea45cSKlaus Jensen 333888eea45cSKlaus Jensen if (!wrz) { 333988eea45cSKlaus Jensen status = nvme_map_data(n, nlb, req); 334088eea45cSKlaus Jensen if (status) { 334188eea45cSKlaus Jensen goto invalid; 334288eea45cSKlaus Jensen } 334388eea45cSKlaus Jensen 334488eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_size, 334588eea45cSKlaus Jensen BLOCK_ACCT_WRITE); 334688eea45cSKlaus Jensen nvme_blk_write(blk, data_offset, nvme_rw_cb, req); 334788eea45cSKlaus Jensen } else { 334888eea45cSKlaus Jensen req->aiocb = blk_aio_pwrite_zeroes(blk, data_offset, data_size, 334988eea45cSKlaus Jensen BDRV_REQ_MAY_UNMAP, nvme_rw_cb, 335088eea45cSKlaus Jensen req); 335188eea45cSKlaus Jensen } 335288eea45cSKlaus Jensen 335388eea45cSKlaus Jensen return NVME_NO_COMPLETE; 335488eea45cSKlaus Jensen 335588eea45cSKlaus Jensen invalid: 335688eea45cSKlaus Jensen block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_WRITE); 335788eea45cSKlaus Jensen return status | NVME_DNR; 335888eea45cSKlaus Jensen } 335988eea45cSKlaus Jensen 336088eea45cSKlaus Jensen static inline uint16_t nvme_write(NvmeCtrl *n, NvmeRequest *req) 336188eea45cSKlaus Jensen { 336288eea45cSKlaus Jensen return nvme_do_write(n, req, false, false); 336388eea45cSKlaus Jensen } 336488eea45cSKlaus Jensen 336588eea45cSKlaus Jensen static inline uint16_t nvme_write_zeroes(NvmeCtrl *n, NvmeRequest *req) 336688eea45cSKlaus Jensen { 336788eea45cSKlaus Jensen return nvme_do_write(n, req, false, true); 336888eea45cSKlaus Jensen } 336988eea45cSKlaus Jensen 337088eea45cSKlaus Jensen static inline uint16_t nvme_zone_append(NvmeCtrl *n, NvmeRequest *req) 337188eea45cSKlaus Jensen { 337288eea45cSKlaus Jensen return nvme_do_write(n, req, true, false); 337388eea45cSKlaus Jensen } 337488eea45cSKlaus Jensen 337588eea45cSKlaus Jensen static uint16_t nvme_get_mgmt_zone_slba_idx(NvmeNamespace *ns, NvmeCmd *c, 337688eea45cSKlaus Jensen uint64_t *slba, uint32_t *zone_idx) 337788eea45cSKlaus Jensen { 337888eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(c->cdw10); 337988eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(c->cdw11); 338088eea45cSKlaus Jensen 338188eea45cSKlaus Jensen if (!ns->params.zoned) { 338288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_opc(c->opcode); 338388eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 338488eea45cSKlaus Jensen } 338588eea45cSKlaus Jensen 338688eea45cSKlaus Jensen *slba = ((uint64_t)dw11) << 32 | dw10; 338788eea45cSKlaus Jensen if (unlikely(*slba >= ns->id_ns.nsze)) { 338888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(*slba, 0, ns->id_ns.nsze); 338988eea45cSKlaus Jensen *slba = 0; 339088eea45cSKlaus Jensen return NVME_LBA_RANGE | NVME_DNR; 339188eea45cSKlaus Jensen } 339288eea45cSKlaus Jensen 339388eea45cSKlaus Jensen *zone_idx = nvme_zone_idx(ns, *slba); 339488eea45cSKlaus Jensen assert(*zone_idx < ns->num_zones); 339588eea45cSKlaus Jensen 339688eea45cSKlaus Jensen return NVME_SUCCESS; 339788eea45cSKlaus Jensen } 339888eea45cSKlaus Jensen 339988eea45cSKlaus Jensen typedef uint16_t (*op_handler_t)(NvmeNamespace *, NvmeZone *, NvmeZoneState, 340088eea45cSKlaus Jensen NvmeRequest *); 340188eea45cSKlaus Jensen 340288eea45cSKlaus Jensen enum NvmeZoneProcessingMask { 340388eea45cSKlaus Jensen NVME_PROC_CURRENT_ZONE = 0, 340488eea45cSKlaus Jensen NVME_PROC_OPENED_ZONES = 1 << 0, 340588eea45cSKlaus Jensen NVME_PROC_CLOSED_ZONES = 1 << 1, 340688eea45cSKlaus Jensen NVME_PROC_READ_ONLY_ZONES = 1 << 2, 340788eea45cSKlaus Jensen NVME_PROC_FULL_ZONES = 1 << 3, 340888eea45cSKlaus Jensen }; 340988eea45cSKlaus Jensen 341088eea45cSKlaus Jensen static uint16_t nvme_open_zone(NvmeNamespace *ns, NvmeZone *zone, 341188eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 341288eea45cSKlaus Jensen { 3413*e321b4cdSKlaus Jensen NvmeZoneSendCmd *cmd = (NvmeZoneSendCmd *)&req->cmd; 3414*e321b4cdSKlaus Jensen int flags = 0; 3415*e321b4cdSKlaus Jensen 3416*e321b4cdSKlaus Jensen if (cmd->zsflags & NVME_ZSFLAG_ZRWA_ALLOC) { 3417*e321b4cdSKlaus Jensen uint16_t ozcs = le16_to_cpu(ns->id_ns_zoned->ozcs); 3418*e321b4cdSKlaus Jensen 3419*e321b4cdSKlaus Jensen if (!(ozcs & NVME_ID_NS_ZONED_OZCS_ZRWASUP)) { 3420*e321b4cdSKlaus Jensen return NVME_INVALID_ZONE_OP | NVME_DNR; 3421*e321b4cdSKlaus Jensen } 3422*e321b4cdSKlaus Jensen 3423*e321b4cdSKlaus Jensen if (zone->w_ptr % ns->zns.zrwafg) { 3424*e321b4cdSKlaus Jensen return NVME_NOZRWA | NVME_DNR; 3425*e321b4cdSKlaus Jensen } 3426*e321b4cdSKlaus Jensen 3427*e321b4cdSKlaus Jensen flags = NVME_ZRM_ZRWA; 3428*e321b4cdSKlaus Jensen } 3429*e321b4cdSKlaus Jensen 3430*e321b4cdSKlaus Jensen return nvme_zrm_open_flags(nvme_ctrl(req), ns, zone, flags); 343188eea45cSKlaus Jensen } 343288eea45cSKlaus Jensen 343388eea45cSKlaus Jensen static uint16_t nvme_close_zone(NvmeNamespace *ns, NvmeZone *zone, 343488eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 343588eea45cSKlaus Jensen { 343688eea45cSKlaus Jensen return nvme_zrm_close(ns, zone); 343788eea45cSKlaus Jensen } 343888eea45cSKlaus Jensen 343988eea45cSKlaus Jensen static uint16_t nvme_finish_zone(NvmeNamespace *ns, NvmeZone *zone, 344088eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 344188eea45cSKlaus Jensen { 344288eea45cSKlaus Jensen return nvme_zrm_finish(ns, zone); 344388eea45cSKlaus Jensen } 344488eea45cSKlaus Jensen 344588eea45cSKlaus Jensen static uint16_t nvme_offline_zone(NvmeNamespace *ns, NvmeZone *zone, 344688eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 344788eea45cSKlaus Jensen { 344888eea45cSKlaus Jensen switch (state) { 344988eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 345088eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_OFFLINE); 345188eea45cSKlaus Jensen /* fall through */ 345288eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 345388eea45cSKlaus Jensen return NVME_SUCCESS; 345488eea45cSKlaus Jensen default: 345588eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 345688eea45cSKlaus Jensen } 345788eea45cSKlaus Jensen } 345888eea45cSKlaus Jensen 345988eea45cSKlaus Jensen static uint16_t nvme_set_zd_ext(NvmeNamespace *ns, NvmeZone *zone) 346088eea45cSKlaus Jensen { 346188eea45cSKlaus Jensen uint16_t status; 346288eea45cSKlaus Jensen uint8_t state = nvme_get_zone_state(zone); 346388eea45cSKlaus Jensen 346488eea45cSKlaus Jensen if (state == NVME_ZONE_STATE_EMPTY) { 346588eea45cSKlaus Jensen status = nvme_aor_check(ns, 1, 0); 346688eea45cSKlaus Jensen if (status) { 346788eea45cSKlaus Jensen return status; 346888eea45cSKlaus Jensen } 346988eea45cSKlaus Jensen nvme_aor_inc_active(ns); 347088eea45cSKlaus Jensen zone->d.za |= NVME_ZA_ZD_EXT_VALID; 347188eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_CLOSED); 347288eea45cSKlaus Jensen return NVME_SUCCESS; 347388eea45cSKlaus Jensen } 347488eea45cSKlaus Jensen 347588eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 347688eea45cSKlaus Jensen } 347788eea45cSKlaus Jensen 347888eea45cSKlaus Jensen static uint16_t nvme_bulk_proc_zone(NvmeNamespace *ns, NvmeZone *zone, 347988eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask, 348088eea45cSKlaus Jensen op_handler_t op_hndlr, NvmeRequest *req) 348188eea45cSKlaus Jensen { 348288eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 348388eea45cSKlaus Jensen NvmeZoneState zs = nvme_get_zone_state(zone); 348488eea45cSKlaus Jensen bool proc_zone; 348588eea45cSKlaus Jensen 348688eea45cSKlaus Jensen switch (zs) { 348788eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 348888eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 348988eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_OPENED_ZONES; 349088eea45cSKlaus Jensen break; 349188eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 349288eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_CLOSED_ZONES; 349388eea45cSKlaus Jensen break; 349488eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 349588eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_READ_ONLY_ZONES; 349688eea45cSKlaus Jensen break; 349788eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 349888eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_FULL_ZONES; 349988eea45cSKlaus Jensen break; 350088eea45cSKlaus Jensen default: 350188eea45cSKlaus Jensen proc_zone = false; 350288eea45cSKlaus Jensen } 350388eea45cSKlaus Jensen 350488eea45cSKlaus Jensen if (proc_zone) { 350588eea45cSKlaus Jensen status = op_hndlr(ns, zone, zs, req); 350688eea45cSKlaus Jensen } 350788eea45cSKlaus Jensen 350888eea45cSKlaus Jensen return status; 350988eea45cSKlaus Jensen } 351088eea45cSKlaus Jensen 351188eea45cSKlaus Jensen static uint16_t nvme_do_zone_op(NvmeNamespace *ns, NvmeZone *zone, 351288eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask, 351388eea45cSKlaus Jensen op_handler_t op_hndlr, NvmeRequest *req) 351488eea45cSKlaus Jensen { 351588eea45cSKlaus Jensen NvmeZone *next; 351688eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 351788eea45cSKlaus Jensen int i; 351888eea45cSKlaus Jensen 351988eea45cSKlaus Jensen if (!proc_mask) { 352088eea45cSKlaus Jensen status = op_hndlr(ns, zone, nvme_get_zone_state(zone), req); 352188eea45cSKlaus Jensen } else { 352288eea45cSKlaus Jensen if (proc_mask & NVME_PROC_CLOSED_ZONES) { 352388eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->closed_zones, entry, next) { 352488eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 352588eea45cSKlaus Jensen req); 352688eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 352788eea45cSKlaus Jensen goto out; 352888eea45cSKlaus Jensen } 352988eea45cSKlaus Jensen } 353088eea45cSKlaus Jensen } 353188eea45cSKlaus Jensen if (proc_mask & NVME_PROC_OPENED_ZONES) { 353288eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->imp_open_zones, entry, next) { 353388eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 353488eea45cSKlaus Jensen req); 353588eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 353688eea45cSKlaus Jensen goto out; 353788eea45cSKlaus Jensen } 353888eea45cSKlaus Jensen } 353988eea45cSKlaus Jensen 354088eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->exp_open_zones, entry, next) { 354188eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 354288eea45cSKlaus Jensen req); 354388eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 354488eea45cSKlaus Jensen goto out; 354588eea45cSKlaus Jensen } 354688eea45cSKlaus Jensen } 354788eea45cSKlaus Jensen } 354888eea45cSKlaus Jensen if (proc_mask & NVME_PROC_FULL_ZONES) { 354988eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->full_zones, entry, next) { 355088eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 355188eea45cSKlaus Jensen req); 355288eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 355388eea45cSKlaus Jensen goto out; 355488eea45cSKlaus Jensen } 355588eea45cSKlaus Jensen } 355688eea45cSKlaus Jensen } 355788eea45cSKlaus Jensen 355888eea45cSKlaus Jensen if (proc_mask & NVME_PROC_READ_ONLY_ZONES) { 355988eea45cSKlaus Jensen for (i = 0; i < ns->num_zones; i++, zone++) { 356088eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 356188eea45cSKlaus Jensen req); 356288eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 356388eea45cSKlaus Jensen goto out; 356488eea45cSKlaus Jensen } 356588eea45cSKlaus Jensen } 356688eea45cSKlaus Jensen } 356788eea45cSKlaus Jensen } 356888eea45cSKlaus Jensen 356988eea45cSKlaus Jensen out: 357088eea45cSKlaus Jensen return status; 357188eea45cSKlaus Jensen } 357288eea45cSKlaus Jensen 357363d96e4fSKlaus Jensen typedef struct NvmeZoneResetAIOCB { 357463d96e4fSKlaus Jensen BlockAIOCB common; 357563d96e4fSKlaus Jensen BlockAIOCB *aiocb; 357663d96e4fSKlaus Jensen NvmeRequest *req; 357763d96e4fSKlaus Jensen QEMUBH *bh; 357863d96e4fSKlaus Jensen int ret; 357963d96e4fSKlaus Jensen 358063d96e4fSKlaus Jensen bool all; 358163d96e4fSKlaus Jensen int idx; 358263d96e4fSKlaus Jensen NvmeZone *zone; 358363d96e4fSKlaus Jensen } NvmeZoneResetAIOCB; 358463d96e4fSKlaus Jensen 358563d96e4fSKlaus Jensen static void nvme_zone_reset_cancel(BlockAIOCB *aiocb) 358663d96e4fSKlaus Jensen { 358763d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = container_of(aiocb, NvmeZoneResetAIOCB, common); 358863d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 358963d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 359063d96e4fSKlaus Jensen 359163d96e4fSKlaus Jensen iocb->idx = ns->num_zones; 359263d96e4fSKlaus Jensen 359363d96e4fSKlaus Jensen iocb->ret = -ECANCELED; 359463d96e4fSKlaus Jensen 359563d96e4fSKlaus Jensen if (iocb->aiocb) { 359663d96e4fSKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 359763d96e4fSKlaus Jensen iocb->aiocb = NULL; 359863d96e4fSKlaus Jensen } 359963d96e4fSKlaus Jensen } 360063d96e4fSKlaus Jensen 360163d96e4fSKlaus Jensen static const AIOCBInfo nvme_zone_reset_aiocb_info = { 360263d96e4fSKlaus Jensen .aiocb_size = sizeof(NvmeZoneResetAIOCB), 360363d96e4fSKlaus Jensen .cancel_async = nvme_zone_reset_cancel, 360463d96e4fSKlaus Jensen }; 360563d96e4fSKlaus Jensen 360663d96e4fSKlaus Jensen static void nvme_zone_reset_bh(void *opaque) 360763d96e4fSKlaus Jensen { 360863d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 360963d96e4fSKlaus Jensen 361063d96e4fSKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 361163d96e4fSKlaus Jensen 361263d96e4fSKlaus Jensen qemu_bh_delete(iocb->bh); 361363d96e4fSKlaus Jensen iocb->bh = NULL; 361463d96e4fSKlaus Jensen qemu_aio_unref(iocb); 361563d96e4fSKlaus Jensen } 361663d96e4fSKlaus Jensen 361763d96e4fSKlaus Jensen static void nvme_zone_reset_cb(void *opaque, int ret); 361863d96e4fSKlaus Jensen 361963d96e4fSKlaus Jensen static void nvme_zone_reset_epilogue_cb(void *opaque, int ret) 362063d96e4fSKlaus Jensen { 362163d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 362263d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 362363d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 362463d96e4fSKlaus Jensen int64_t moff; 362563d96e4fSKlaus Jensen int count; 362663d96e4fSKlaus Jensen 362763d96e4fSKlaus Jensen if (ret < 0) { 362863d96e4fSKlaus Jensen nvme_zone_reset_cb(iocb, ret); 362963d96e4fSKlaus Jensen return; 363063d96e4fSKlaus Jensen } 363163d96e4fSKlaus Jensen 363263d96e4fSKlaus Jensen if (!ns->lbaf.ms) { 363363d96e4fSKlaus Jensen nvme_zone_reset_cb(iocb, 0); 363463d96e4fSKlaus Jensen return; 363563d96e4fSKlaus Jensen } 363663d96e4fSKlaus Jensen 363763d96e4fSKlaus Jensen moff = nvme_moff(ns, iocb->zone->d.zslba); 363863d96e4fSKlaus Jensen count = nvme_m2b(ns, ns->zone_size); 363963d96e4fSKlaus Jensen 364063d96e4fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, moff, count, 364163d96e4fSKlaus Jensen BDRV_REQ_MAY_UNMAP, 364263d96e4fSKlaus Jensen nvme_zone_reset_cb, iocb); 364363d96e4fSKlaus Jensen return; 364463d96e4fSKlaus Jensen } 364563d96e4fSKlaus Jensen 364663d96e4fSKlaus Jensen static void nvme_zone_reset_cb(void *opaque, int ret) 364763d96e4fSKlaus Jensen { 364863d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 364963d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 365063d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 365163d96e4fSKlaus Jensen 365263d96e4fSKlaus Jensen if (ret < 0) { 365363d96e4fSKlaus Jensen iocb->ret = ret; 365463d96e4fSKlaus Jensen goto done; 365563d96e4fSKlaus Jensen } 365663d96e4fSKlaus Jensen 365763d96e4fSKlaus Jensen if (iocb->zone) { 365863d96e4fSKlaus Jensen nvme_zrm_reset(ns, iocb->zone); 365963d96e4fSKlaus Jensen 366063d96e4fSKlaus Jensen if (!iocb->all) { 366163d96e4fSKlaus Jensen goto done; 366263d96e4fSKlaus Jensen } 366363d96e4fSKlaus Jensen } 366463d96e4fSKlaus Jensen 366563d96e4fSKlaus Jensen while (iocb->idx < ns->num_zones) { 366663d96e4fSKlaus Jensen NvmeZone *zone = &ns->zone_array[iocb->idx++]; 366763d96e4fSKlaus Jensen 366863d96e4fSKlaus Jensen switch (nvme_get_zone_state(zone)) { 366963d96e4fSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 367063d96e4fSKlaus Jensen if (!iocb->all) { 367163d96e4fSKlaus Jensen goto done; 367263d96e4fSKlaus Jensen } 367363d96e4fSKlaus Jensen 367463d96e4fSKlaus Jensen continue; 367563d96e4fSKlaus Jensen 367663d96e4fSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 367763d96e4fSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 367863d96e4fSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 367963d96e4fSKlaus Jensen case NVME_ZONE_STATE_FULL: 368063d96e4fSKlaus Jensen iocb->zone = zone; 368163d96e4fSKlaus Jensen break; 368263d96e4fSKlaus Jensen 368363d96e4fSKlaus Jensen default: 368463d96e4fSKlaus Jensen continue; 368563d96e4fSKlaus Jensen } 368663d96e4fSKlaus Jensen 368763d96e4fSKlaus Jensen trace_pci_nvme_zns_zone_reset(zone->d.zslba); 368863d96e4fSKlaus Jensen 368963d96e4fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, 369063d96e4fSKlaus Jensen nvme_l2b(ns, zone->d.zslba), 369163d96e4fSKlaus Jensen nvme_l2b(ns, ns->zone_size), 369263d96e4fSKlaus Jensen BDRV_REQ_MAY_UNMAP, 369363d96e4fSKlaus Jensen nvme_zone_reset_epilogue_cb, 369463d96e4fSKlaus Jensen iocb); 369563d96e4fSKlaus Jensen return; 369663d96e4fSKlaus Jensen } 369763d96e4fSKlaus Jensen 369863d96e4fSKlaus Jensen done: 369963d96e4fSKlaus Jensen iocb->aiocb = NULL; 370063d96e4fSKlaus Jensen if (iocb->bh) { 370163d96e4fSKlaus Jensen qemu_bh_schedule(iocb->bh); 370263d96e4fSKlaus Jensen } 370363d96e4fSKlaus Jensen } 370463d96e4fSKlaus Jensen 3705*e321b4cdSKlaus Jensen static uint16_t nvme_zone_mgmt_send_zrwa_flush(NvmeCtrl *n, NvmeZone *zone, 3706*e321b4cdSKlaus Jensen uint64_t elba, NvmeRequest *req) 3707*e321b4cdSKlaus Jensen { 3708*e321b4cdSKlaus Jensen NvmeNamespace *ns = req->ns; 3709*e321b4cdSKlaus Jensen uint16_t ozcs = le16_to_cpu(ns->id_ns_zoned->ozcs); 3710*e321b4cdSKlaus Jensen uint64_t wp = zone->d.wp; 3711*e321b4cdSKlaus Jensen uint32_t nlb = elba - wp + 1; 3712*e321b4cdSKlaus Jensen uint16_t status; 3713*e321b4cdSKlaus Jensen 3714*e321b4cdSKlaus Jensen 3715*e321b4cdSKlaus Jensen if (!(ozcs & NVME_ID_NS_ZONED_OZCS_ZRWASUP)) { 3716*e321b4cdSKlaus Jensen return NVME_INVALID_ZONE_OP | NVME_DNR; 3717*e321b4cdSKlaus Jensen } 3718*e321b4cdSKlaus Jensen 3719*e321b4cdSKlaus Jensen if (!(zone->d.za & NVME_ZA_ZRWA_VALID)) { 3720*e321b4cdSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 3721*e321b4cdSKlaus Jensen } 3722*e321b4cdSKlaus Jensen 3723*e321b4cdSKlaus Jensen if (elba < wp || elba > wp + ns->zns.zrwas) { 3724*e321b4cdSKlaus Jensen return NVME_ZONE_BOUNDARY_ERROR | NVME_DNR; 3725*e321b4cdSKlaus Jensen } 3726*e321b4cdSKlaus Jensen 3727*e321b4cdSKlaus Jensen if (nlb % ns->zns.zrwafg) { 3728*e321b4cdSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 3729*e321b4cdSKlaus Jensen } 3730*e321b4cdSKlaus Jensen 3731*e321b4cdSKlaus Jensen status = nvme_zrm_auto(n, ns, zone); 3732*e321b4cdSKlaus Jensen if (status) { 3733*e321b4cdSKlaus Jensen return status; 3734*e321b4cdSKlaus Jensen } 3735*e321b4cdSKlaus Jensen 3736*e321b4cdSKlaus Jensen zone->w_ptr += nlb; 3737*e321b4cdSKlaus Jensen 3738*e321b4cdSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlb); 3739*e321b4cdSKlaus Jensen 3740*e321b4cdSKlaus Jensen return NVME_SUCCESS; 3741*e321b4cdSKlaus Jensen } 3742*e321b4cdSKlaus Jensen 374388eea45cSKlaus Jensen static uint16_t nvme_zone_mgmt_send(NvmeCtrl *n, NvmeRequest *req) 374488eea45cSKlaus Jensen { 37456190d92fSKlaus Jensen NvmeZoneSendCmd *cmd = (NvmeZoneSendCmd *)&req->cmd; 374688eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 374788eea45cSKlaus Jensen NvmeZone *zone; 374863d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb; 374988eea45cSKlaus Jensen uint8_t *zd_ext; 375088eea45cSKlaus Jensen uint64_t slba = 0; 375188eea45cSKlaus Jensen uint32_t zone_idx = 0; 375288eea45cSKlaus Jensen uint16_t status; 37536190d92fSKlaus Jensen uint8_t action = cmd->zsa; 375488eea45cSKlaus Jensen bool all; 375588eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask = NVME_PROC_CURRENT_ZONE; 375688eea45cSKlaus Jensen 37576190d92fSKlaus Jensen all = cmd->zsflags & NVME_ZSFLAG_SELECT_ALL; 375888eea45cSKlaus Jensen 375988eea45cSKlaus Jensen req->status = NVME_SUCCESS; 376088eea45cSKlaus Jensen 376188eea45cSKlaus Jensen if (!all) { 37626190d92fSKlaus Jensen status = nvme_get_mgmt_zone_slba_idx(ns, &req->cmd, &slba, &zone_idx); 376388eea45cSKlaus Jensen if (status) { 376488eea45cSKlaus Jensen return status; 376588eea45cSKlaus Jensen } 376688eea45cSKlaus Jensen } 376788eea45cSKlaus Jensen 376888eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 3769*e321b4cdSKlaus Jensen if (slba != zone->d.zslba && action != NVME_ZONE_ACTION_ZRWA_FLUSH) { 377088eea45cSKlaus Jensen trace_pci_nvme_err_unaligned_zone_cmd(action, slba, zone->d.zslba); 377188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 377288eea45cSKlaus Jensen } 377388eea45cSKlaus Jensen 377488eea45cSKlaus Jensen switch (action) { 377588eea45cSKlaus Jensen 377688eea45cSKlaus Jensen case NVME_ZONE_ACTION_OPEN: 377788eea45cSKlaus Jensen if (all) { 377888eea45cSKlaus Jensen proc_mask = NVME_PROC_CLOSED_ZONES; 377988eea45cSKlaus Jensen } 378088eea45cSKlaus Jensen trace_pci_nvme_open_zone(slba, zone_idx, all); 378188eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_open_zone, req); 378288eea45cSKlaus Jensen break; 378388eea45cSKlaus Jensen 378488eea45cSKlaus Jensen case NVME_ZONE_ACTION_CLOSE: 378588eea45cSKlaus Jensen if (all) { 378688eea45cSKlaus Jensen proc_mask = NVME_PROC_OPENED_ZONES; 378788eea45cSKlaus Jensen } 378888eea45cSKlaus Jensen trace_pci_nvme_close_zone(slba, zone_idx, all); 378988eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_close_zone, req); 379088eea45cSKlaus Jensen break; 379188eea45cSKlaus Jensen 379288eea45cSKlaus Jensen case NVME_ZONE_ACTION_FINISH: 379388eea45cSKlaus Jensen if (all) { 379488eea45cSKlaus Jensen proc_mask = NVME_PROC_OPENED_ZONES | NVME_PROC_CLOSED_ZONES; 379588eea45cSKlaus Jensen } 379688eea45cSKlaus Jensen trace_pci_nvme_finish_zone(slba, zone_idx, all); 379788eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_finish_zone, req); 379888eea45cSKlaus Jensen break; 379988eea45cSKlaus Jensen 380088eea45cSKlaus Jensen case NVME_ZONE_ACTION_RESET: 380188eea45cSKlaus Jensen trace_pci_nvme_reset_zone(slba, zone_idx, all); 380288eea45cSKlaus Jensen 380363d96e4fSKlaus Jensen iocb = blk_aio_get(&nvme_zone_reset_aiocb_info, ns->blkconf.blk, 380463d96e4fSKlaus Jensen nvme_misc_cb, req); 380588eea45cSKlaus Jensen 380663d96e4fSKlaus Jensen iocb->req = req; 380763d96e4fSKlaus Jensen iocb->bh = qemu_bh_new(nvme_zone_reset_bh, iocb); 380863d96e4fSKlaus Jensen iocb->ret = 0; 380963d96e4fSKlaus Jensen iocb->all = all; 381063d96e4fSKlaus Jensen iocb->idx = zone_idx; 381163d96e4fSKlaus Jensen iocb->zone = NULL; 381288eea45cSKlaus Jensen 381363d96e4fSKlaus Jensen req->aiocb = &iocb->common; 381463d96e4fSKlaus Jensen nvme_zone_reset_cb(iocb, 0); 381588eea45cSKlaus Jensen 381663d96e4fSKlaus Jensen return NVME_NO_COMPLETE; 381788eea45cSKlaus Jensen 381888eea45cSKlaus Jensen case NVME_ZONE_ACTION_OFFLINE: 381988eea45cSKlaus Jensen if (all) { 382088eea45cSKlaus Jensen proc_mask = NVME_PROC_READ_ONLY_ZONES; 382188eea45cSKlaus Jensen } 382288eea45cSKlaus Jensen trace_pci_nvme_offline_zone(slba, zone_idx, all); 382388eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_offline_zone, req); 382488eea45cSKlaus Jensen break; 382588eea45cSKlaus Jensen 382688eea45cSKlaus Jensen case NVME_ZONE_ACTION_SET_ZD_EXT: 382788eea45cSKlaus Jensen trace_pci_nvme_set_descriptor_extension(slba, zone_idx); 382888eea45cSKlaus Jensen if (all || !ns->params.zd_extension_size) { 382988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 383088eea45cSKlaus Jensen } 383188eea45cSKlaus Jensen zd_ext = nvme_get_zd_extension(ns, zone_idx); 383288eea45cSKlaus Jensen status = nvme_h2c(n, zd_ext, ns->params.zd_extension_size, req); 383388eea45cSKlaus Jensen if (status) { 383488eea45cSKlaus Jensen trace_pci_nvme_err_zd_extension_map_error(zone_idx); 383588eea45cSKlaus Jensen return status; 383688eea45cSKlaus Jensen } 383788eea45cSKlaus Jensen 383888eea45cSKlaus Jensen status = nvme_set_zd_ext(ns, zone); 383988eea45cSKlaus Jensen if (status == NVME_SUCCESS) { 384088eea45cSKlaus Jensen trace_pci_nvme_zd_extension_set(zone_idx); 384188eea45cSKlaus Jensen return status; 384288eea45cSKlaus Jensen } 384388eea45cSKlaus Jensen break; 384488eea45cSKlaus Jensen 3845*e321b4cdSKlaus Jensen case NVME_ZONE_ACTION_ZRWA_FLUSH: 3846*e321b4cdSKlaus Jensen if (all) { 3847*e321b4cdSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 3848*e321b4cdSKlaus Jensen } 3849*e321b4cdSKlaus Jensen 3850*e321b4cdSKlaus Jensen return nvme_zone_mgmt_send_zrwa_flush(n, zone, slba, req); 3851*e321b4cdSKlaus Jensen 385288eea45cSKlaus Jensen default: 385388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_mgmt_action(action); 385488eea45cSKlaus Jensen status = NVME_INVALID_FIELD; 385588eea45cSKlaus Jensen } 385688eea45cSKlaus Jensen 385788eea45cSKlaus Jensen if (status == NVME_ZONE_INVAL_TRANSITION) { 385888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_zone_state_transition(action, slba, 385988eea45cSKlaus Jensen zone->d.za); 386088eea45cSKlaus Jensen } 386188eea45cSKlaus Jensen if (status) { 386288eea45cSKlaus Jensen status |= NVME_DNR; 386388eea45cSKlaus Jensen } 386488eea45cSKlaus Jensen 386588eea45cSKlaus Jensen return status; 386688eea45cSKlaus Jensen } 386788eea45cSKlaus Jensen 386888eea45cSKlaus Jensen static bool nvme_zone_matches_filter(uint32_t zafs, NvmeZone *zl) 386988eea45cSKlaus Jensen { 387088eea45cSKlaus Jensen NvmeZoneState zs = nvme_get_zone_state(zl); 387188eea45cSKlaus Jensen 387288eea45cSKlaus Jensen switch (zafs) { 387388eea45cSKlaus Jensen case NVME_ZONE_REPORT_ALL: 387488eea45cSKlaus Jensen return true; 387588eea45cSKlaus Jensen case NVME_ZONE_REPORT_EMPTY: 387688eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_EMPTY; 387788eea45cSKlaus Jensen case NVME_ZONE_REPORT_IMPLICITLY_OPEN: 387888eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_IMPLICITLY_OPEN; 387988eea45cSKlaus Jensen case NVME_ZONE_REPORT_EXPLICITLY_OPEN: 388088eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_EXPLICITLY_OPEN; 388188eea45cSKlaus Jensen case NVME_ZONE_REPORT_CLOSED: 388288eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_CLOSED; 388388eea45cSKlaus Jensen case NVME_ZONE_REPORT_FULL: 388488eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_FULL; 388588eea45cSKlaus Jensen case NVME_ZONE_REPORT_READ_ONLY: 388688eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_READ_ONLY; 388788eea45cSKlaus Jensen case NVME_ZONE_REPORT_OFFLINE: 388888eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_OFFLINE; 388988eea45cSKlaus Jensen default: 389088eea45cSKlaus Jensen return false; 389188eea45cSKlaus Jensen } 389288eea45cSKlaus Jensen } 389388eea45cSKlaus Jensen 389488eea45cSKlaus Jensen static uint16_t nvme_zone_mgmt_recv(NvmeCtrl *n, NvmeRequest *req) 389588eea45cSKlaus Jensen { 389688eea45cSKlaus Jensen NvmeCmd *cmd = (NvmeCmd *)&req->cmd; 389788eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 389888eea45cSKlaus Jensen /* cdw12 is zero-based number of dwords to return. Convert to bytes */ 389988eea45cSKlaus Jensen uint32_t data_size = (le32_to_cpu(cmd->cdw12) + 1) << 2; 390088eea45cSKlaus Jensen uint32_t dw13 = le32_to_cpu(cmd->cdw13); 390188eea45cSKlaus Jensen uint32_t zone_idx, zra, zrasf, partial; 390288eea45cSKlaus Jensen uint64_t max_zones, nr_zones = 0; 390388eea45cSKlaus Jensen uint16_t status; 390488eea45cSKlaus Jensen uint64_t slba; 390588eea45cSKlaus Jensen NvmeZoneDescr *z; 390688eea45cSKlaus Jensen NvmeZone *zone; 390788eea45cSKlaus Jensen NvmeZoneReportHeader *header; 390888eea45cSKlaus Jensen void *buf, *buf_p; 390988eea45cSKlaus Jensen size_t zone_entry_sz; 391088eea45cSKlaus Jensen int i; 391188eea45cSKlaus Jensen 391288eea45cSKlaus Jensen req->status = NVME_SUCCESS; 391388eea45cSKlaus Jensen 391488eea45cSKlaus Jensen status = nvme_get_mgmt_zone_slba_idx(ns, cmd, &slba, &zone_idx); 391588eea45cSKlaus Jensen if (status) { 391688eea45cSKlaus Jensen return status; 391788eea45cSKlaus Jensen } 391888eea45cSKlaus Jensen 391988eea45cSKlaus Jensen zra = dw13 & 0xff; 392088eea45cSKlaus Jensen if (zra != NVME_ZONE_REPORT && zra != NVME_ZONE_REPORT_EXTENDED) { 392188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 392288eea45cSKlaus Jensen } 392388eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED && !ns->params.zd_extension_size) { 392488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 392588eea45cSKlaus Jensen } 392688eea45cSKlaus Jensen 392788eea45cSKlaus Jensen zrasf = (dw13 >> 8) & 0xff; 392888eea45cSKlaus Jensen if (zrasf > NVME_ZONE_REPORT_OFFLINE) { 392988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 393088eea45cSKlaus Jensen } 393188eea45cSKlaus Jensen 393288eea45cSKlaus Jensen if (data_size < sizeof(NvmeZoneReportHeader)) { 393388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 393488eea45cSKlaus Jensen } 393588eea45cSKlaus Jensen 393688eea45cSKlaus Jensen status = nvme_check_mdts(n, data_size); 393788eea45cSKlaus Jensen if (status) { 393888eea45cSKlaus Jensen return status; 393988eea45cSKlaus Jensen } 394088eea45cSKlaus Jensen 394188eea45cSKlaus Jensen partial = (dw13 >> 16) & 0x01; 394288eea45cSKlaus Jensen 394388eea45cSKlaus Jensen zone_entry_sz = sizeof(NvmeZoneDescr); 394488eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED) { 394588eea45cSKlaus Jensen zone_entry_sz += ns->params.zd_extension_size; 394688eea45cSKlaus Jensen } 394788eea45cSKlaus Jensen 394888eea45cSKlaus Jensen max_zones = (data_size - sizeof(NvmeZoneReportHeader)) / zone_entry_sz; 394988eea45cSKlaus Jensen buf = g_malloc0(data_size); 395088eea45cSKlaus Jensen 395188eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 395288eea45cSKlaus Jensen for (i = zone_idx; i < ns->num_zones; i++) { 395388eea45cSKlaus Jensen if (partial && nr_zones >= max_zones) { 395488eea45cSKlaus Jensen break; 395588eea45cSKlaus Jensen } 395688eea45cSKlaus Jensen if (nvme_zone_matches_filter(zrasf, zone++)) { 395788eea45cSKlaus Jensen nr_zones++; 395888eea45cSKlaus Jensen } 395988eea45cSKlaus Jensen } 396088eea45cSKlaus Jensen header = (NvmeZoneReportHeader *)buf; 396188eea45cSKlaus Jensen header->nr_zones = cpu_to_le64(nr_zones); 396288eea45cSKlaus Jensen 396388eea45cSKlaus Jensen buf_p = buf + sizeof(NvmeZoneReportHeader); 396488eea45cSKlaus Jensen for (; zone_idx < ns->num_zones && max_zones > 0; zone_idx++) { 396588eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 396688eea45cSKlaus Jensen if (nvme_zone_matches_filter(zrasf, zone)) { 396788eea45cSKlaus Jensen z = (NvmeZoneDescr *)buf_p; 396888eea45cSKlaus Jensen buf_p += sizeof(NvmeZoneDescr); 396988eea45cSKlaus Jensen 397088eea45cSKlaus Jensen z->zt = zone->d.zt; 397188eea45cSKlaus Jensen z->zs = zone->d.zs; 397288eea45cSKlaus Jensen z->zcap = cpu_to_le64(zone->d.zcap); 397388eea45cSKlaus Jensen z->zslba = cpu_to_le64(zone->d.zslba); 397488eea45cSKlaus Jensen z->za = zone->d.za; 397588eea45cSKlaus Jensen 397688eea45cSKlaus Jensen if (nvme_wp_is_valid(zone)) { 397788eea45cSKlaus Jensen z->wp = cpu_to_le64(zone->d.wp); 397888eea45cSKlaus Jensen } else { 397988eea45cSKlaus Jensen z->wp = cpu_to_le64(~0ULL); 398088eea45cSKlaus Jensen } 398188eea45cSKlaus Jensen 398288eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED) { 398388eea45cSKlaus Jensen if (zone->d.za & NVME_ZA_ZD_EXT_VALID) { 398488eea45cSKlaus Jensen memcpy(buf_p, nvme_get_zd_extension(ns, zone_idx), 398588eea45cSKlaus Jensen ns->params.zd_extension_size); 398688eea45cSKlaus Jensen } 398788eea45cSKlaus Jensen buf_p += ns->params.zd_extension_size; 398888eea45cSKlaus Jensen } 398988eea45cSKlaus Jensen 399088eea45cSKlaus Jensen max_zones--; 399188eea45cSKlaus Jensen } 399288eea45cSKlaus Jensen } 399388eea45cSKlaus Jensen 399488eea45cSKlaus Jensen status = nvme_c2h(n, (uint8_t *)buf, data_size, req); 399588eea45cSKlaus Jensen 399688eea45cSKlaus Jensen g_free(buf); 399788eea45cSKlaus Jensen 399888eea45cSKlaus Jensen return status; 399988eea45cSKlaus Jensen } 400088eea45cSKlaus Jensen 400188eea45cSKlaus Jensen static uint16_t nvme_io_cmd(NvmeCtrl *n, NvmeRequest *req) 400288eea45cSKlaus Jensen { 400388eea45cSKlaus Jensen NvmeNamespace *ns; 400488eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 400588eea45cSKlaus Jensen 400688eea45cSKlaus Jensen trace_pci_nvme_io_cmd(nvme_cid(req), nsid, nvme_sqid(req), 400788eea45cSKlaus Jensen req->cmd.opcode, nvme_io_opc_str(req->cmd.opcode)); 400888eea45cSKlaus Jensen 400988eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 401088eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 401188eea45cSKlaus Jensen } 401288eea45cSKlaus Jensen 401388eea45cSKlaus Jensen /* 401488eea45cSKlaus Jensen * In the base NVM command set, Flush may apply to all namespaces 401588eea45cSKlaus Jensen * (indicated by NSID being set to FFFFFFFFh). But if that feature is used 401688eea45cSKlaus Jensen * along with TP 4056 (Namespace Types), it may be pretty screwed up. 401788eea45cSKlaus Jensen * 401888eea45cSKlaus Jensen * If NSID is indeed set to FFFFFFFFh, we simply cannot associate the 401988eea45cSKlaus Jensen * opcode with a specific command since we cannot determine a unique I/O 402088eea45cSKlaus Jensen * command set. Opcode 0h could have any other meaning than something 402188eea45cSKlaus Jensen * equivalent to flushing and say it DOES have completely different 402288eea45cSKlaus Jensen * semantics in some other command set - does an NSID of FFFFFFFFh then 402388eea45cSKlaus Jensen * mean "for all namespaces, apply whatever command set specific command 402488eea45cSKlaus Jensen * that uses the 0h opcode?" Or does it mean "for all namespaces, apply 402588eea45cSKlaus Jensen * whatever command that uses the 0h opcode if, and only if, it allows NSID 402688eea45cSKlaus Jensen * to be FFFFFFFFh"? 402788eea45cSKlaus Jensen * 402888eea45cSKlaus Jensen * Anyway (and luckily), for now, we do not care about this since the 402988eea45cSKlaus Jensen * device only supports namespace types that includes the NVM Flush command 403088eea45cSKlaus Jensen * (NVM and Zoned), so always do an NVM Flush. 403188eea45cSKlaus Jensen */ 403288eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_FLUSH) { 403388eea45cSKlaus Jensen return nvme_flush(n, req); 403488eea45cSKlaus Jensen } 403588eea45cSKlaus Jensen 403688eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 403788eea45cSKlaus Jensen if (unlikely(!ns)) { 403888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 403988eea45cSKlaus Jensen } 404088eea45cSKlaus Jensen 404188eea45cSKlaus Jensen if (!(ns->iocs[req->cmd.opcode] & NVME_CMD_EFF_CSUPP)) { 404288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_opc(req->cmd.opcode); 404388eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 404488eea45cSKlaus Jensen } 404588eea45cSKlaus Jensen 404688eea45cSKlaus Jensen if (ns->status) { 404788eea45cSKlaus Jensen return ns->status; 404888eea45cSKlaus Jensen } 404988eea45cSKlaus Jensen 4050c53a9a91SPankaj Raghav if (NVME_CMD_FLAGS_FUSE(req->cmd.flags)) { 4051c53a9a91SPankaj Raghav return NVME_INVALID_FIELD; 4052c53a9a91SPankaj Raghav } 4053c53a9a91SPankaj Raghav 405488eea45cSKlaus Jensen req->ns = ns; 405588eea45cSKlaus Jensen 405688eea45cSKlaus Jensen switch (req->cmd.opcode) { 405788eea45cSKlaus Jensen case NVME_CMD_WRITE_ZEROES: 405888eea45cSKlaus Jensen return nvme_write_zeroes(n, req); 405988eea45cSKlaus Jensen case NVME_CMD_ZONE_APPEND: 406088eea45cSKlaus Jensen return nvme_zone_append(n, req); 406188eea45cSKlaus Jensen case NVME_CMD_WRITE: 406288eea45cSKlaus Jensen return nvme_write(n, req); 406388eea45cSKlaus Jensen case NVME_CMD_READ: 406488eea45cSKlaus Jensen return nvme_read(n, req); 406588eea45cSKlaus Jensen case NVME_CMD_COMPARE: 406688eea45cSKlaus Jensen return nvme_compare(n, req); 406788eea45cSKlaus Jensen case NVME_CMD_DSM: 406888eea45cSKlaus Jensen return nvme_dsm(n, req); 406988eea45cSKlaus Jensen case NVME_CMD_VERIFY: 407088eea45cSKlaus Jensen return nvme_verify(n, req); 407188eea45cSKlaus Jensen case NVME_CMD_COPY: 407288eea45cSKlaus Jensen return nvme_copy(n, req); 407388eea45cSKlaus Jensen case NVME_CMD_ZONE_MGMT_SEND: 407488eea45cSKlaus Jensen return nvme_zone_mgmt_send(n, req); 407588eea45cSKlaus Jensen case NVME_CMD_ZONE_MGMT_RECV: 407688eea45cSKlaus Jensen return nvme_zone_mgmt_recv(n, req); 407788eea45cSKlaus Jensen default: 407888eea45cSKlaus Jensen assert(false); 407988eea45cSKlaus Jensen } 408088eea45cSKlaus Jensen 408188eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 408288eea45cSKlaus Jensen } 408388eea45cSKlaus Jensen 408488eea45cSKlaus Jensen static void nvme_free_sq(NvmeSQueue *sq, NvmeCtrl *n) 408588eea45cSKlaus Jensen { 408688eea45cSKlaus Jensen n->sq[sq->sqid] = NULL; 408788eea45cSKlaus Jensen timer_free(sq->timer); 408888eea45cSKlaus Jensen g_free(sq->io_req); 408988eea45cSKlaus Jensen if (sq->sqid) { 409088eea45cSKlaus Jensen g_free(sq); 409188eea45cSKlaus Jensen } 409288eea45cSKlaus Jensen } 409388eea45cSKlaus Jensen 409488eea45cSKlaus Jensen static uint16_t nvme_del_sq(NvmeCtrl *n, NvmeRequest *req) 409588eea45cSKlaus Jensen { 409688eea45cSKlaus Jensen NvmeDeleteQ *c = (NvmeDeleteQ *)&req->cmd; 409788eea45cSKlaus Jensen NvmeRequest *r, *next; 409888eea45cSKlaus Jensen NvmeSQueue *sq; 409988eea45cSKlaus Jensen NvmeCQueue *cq; 410088eea45cSKlaus Jensen uint16_t qid = le16_to_cpu(c->qid); 410188eea45cSKlaus Jensen 410288eea45cSKlaus Jensen if (unlikely(!qid || nvme_check_sqid(n, qid))) { 410388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_sq(qid); 410488eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 410588eea45cSKlaus Jensen } 410688eea45cSKlaus Jensen 410788eea45cSKlaus Jensen trace_pci_nvme_del_sq(qid); 410888eea45cSKlaus Jensen 410988eea45cSKlaus Jensen sq = n->sq[qid]; 411088eea45cSKlaus Jensen while (!QTAILQ_EMPTY(&sq->out_req_list)) { 411188eea45cSKlaus Jensen r = QTAILQ_FIRST(&sq->out_req_list); 4112e76fb260SKlaus Jensen assert(r->aiocb); 411388eea45cSKlaus Jensen blk_aio_cancel(r->aiocb); 411488eea45cSKlaus Jensen } 411588eea45cSKlaus Jensen 411688eea45cSKlaus Jensen assert(QTAILQ_EMPTY(&sq->out_req_list)); 411788eea45cSKlaus Jensen 411888eea45cSKlaus Jensen if (!nvme_check_cqid(n, sq->cqid)) { 411988eea45cSKlaus Jensen cq = n->cq[sq->cqid]; 412088eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->sq_list, sq, entry); 412188eea45cSKlaus Jensen 412288eea45cSKlaus Jensen nvme_post_cqes(cq); 412388eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(r, &cq->req_list, entry, next) { 412488eea45cSKlaus Jensen if (r->sq == sq) { 412588eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->req_list, r, entry); 412688eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->req_list, r, entry); 412788eea45cSKlaus Jensen } 412888eea45cSKlaus Jensen } 412988eea45cSKlaus Jensen } 413088eea45cSKlaus Jensen 413188eea45cSKlaus Jensen nvme_free_sq(sq, n); 413288eea45cSKlaus Jensen return NVME_SUCCESS; 413388eea45cSKlaus Jensen } 413488eea45cSKlaus Jensen 413588eea45cSKlaus Jensen static void nvme_init_sq(NvmeSQueue *sq, NvmeCtrl *n, uint64_t dma_addr, 413688eea45cSKlaus Jensen uint16_t sqid, uint16_t cqid, uint16_t size) 413788eea45cSKlaus Jensen { 413888eea45cSKlaus Jensen int i; 413988eea45cSKlaus Jensen NvmeCQueue *cq; 414088eea45cSKlaus Jensen 414188eea45cSKlaus Jensen sq->ctrl = n; 414288eea45cSKlaus Jensen sq->dma_addr = dma_addr; 414388eea45cSKlaus Jensen sq->sqid = sqid; 414488eea45cSKlaus Jensen sq->size = size; 414588eea45cSKlaus Jensen sq->cqid = cqid; 414688eea45cSKlaus Jensen sq->head = sq->tail = 0; 414788eea45cSKlaus Jensen sq->io_req = g_new0(NvmeRequest, sq->size); 414888eea45cSKlaus Jensen 414988eea45cSKlaus Jensen QTAILQ_INIT(&sq->req_list); 415088eea45cSKlaus Jensen QTAILQ_INIT(&sq->out_req_list); 415188eea45cSKlaus Jensen for (i = 0; i < sq->size; i++) { 415288eea45cSKlaus Jensen sq->io_req[i].sq = sq; 415388eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&(sq->req_list), &sq->io_req[i], entry); 415488eea45cSKlaus Jensen } 415588eea45cSKlaus Jensen sq->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, nvme_process_sq, sq); 415688eea45cSKlaus Jensen 415788eea45cSKlaus Jensen assert(n->cq[cqid]); 415888eea45cSKlaus Jensen cq = n->cq[cqid]; 415988eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&(cq->sq_list), sq, entry); 416088eea45cSKlaus Jensen n->sq[sqid] = sq; 416188eea45cSKlaus Jensen } 416288eea45cSKlaus Jensen 416388eea45cSKlaus Jensen static uint16_t nvme_create_sq(NvmeCtrl *n, NvmeRequest *req) 416488eea45cSKlaus Jensen { 416588eea45cSKlaus Jensen NvmeSQueue *sq; 416688eea45cSKlaus Jensen NvmeCreateSq *c = (NvmeCreateSq *)&req->cmd; 416788eea45cSKlaus Jensen 416888eea45cSKlaus Jensen uint16_t cqid = le16_to_cpu(c->cqid); 416988eea45cSKlaus Jensen uint16_t sqid = le16_to_cpu(c->sqid); 417088eea45cSKlaus Jensen uint16_t qsize = le16_to_cpu(c->qsize); 417188eea45cSKlaus Jensen uint16_t qflags = le16_to_cpu(c->sq_flags); 417288eea45cSKlaus Jensen uint64_t prp1 = le64_to_cpu(c->prp1); 417388eea45cSKlaus Jensen 417488eea45cSKlaus Jensen trace_pci_nvme_create_sq(prp1, sqid, cqid, qsize, qflags); 417588eea45cSKlaus Jensen 417688eea45cSKlaus Jensen if (unlikely(!cqid || nvme_check_cqid(n, cqid))) { 417788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_cqid(cqid); 417888eea45cSKlaus Jensen return NVME_INVALID_CQID | NVME_DNR; 417988eea45cSKlaus Jensen } 418088eea45cSKlaus Jensen if (unlikely(!sqid || sqid > n->params.max_ioqpairs || 418188eea45cSKlaus Jensen n->sq[sqid] != NULL)) { 418288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_sqid(sqid); 418388eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 418488eea45cSKlaus Jensen } 418549e03457SKlaus Jensen if (unlikely(!qsize || qsize > NVME_CAP_MQES(ldq_le_p(&n->bar.cap)))) { 418688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_size(qsize); 418788eea45cSKlaus Jensen return NVME_MAX_QSIZE_EXCEEDED | NVME_DNR; 418888eea45cSKlaus Jensen } 418988eea45cSKlaus Jensen if (unlikely(prp1 & (n->page_size - 1))) { 419088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_addr(prp1); 419188eea45cSKlaus Jensen return NVME_INVALID_PRP_OFFSET | NVME_DNR; 419288eea45cSKlaus Jensen } 419388eea45cSKlaus Jensen if (unlikely(!(NVME_SQ_FLAGS_PC(qflags)))) { 419488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_qflags(NVME_SQ_FLAGS_PC(qflags)); 419588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 419688eea45cSKlaus Jensen } 419788eea45cSKlaus Jensen sq = g_malloc0(sizeof(*sq)); 419888eea45cSKlaus Jensen nvme_init_sq(sq, n, prp1, sqid, cqid, qsize + 1); 419988eea45cSKlaus Jensen return NVME_SUCCESS; 420088eea45cSKlaus Jensen } 420188eea45cSKlaus Jensen 420288eea45cSKlaus Jensen struct nvme_stats { 420388eea45cSKlaus Jensen uint64_t units_read; 420488eea45cSKlaus Jensen uint64_t units_written; 420588eea45cSKlaus Jensen uint64_t read_commands; 420688eea45cSKlaus Jensen uint64_t write_commands; 420788eea45cSKlaus Jensen }; 420888eea45cSKlaus Jensen 420988eea45cSKlaus Jensen static void nvme_set_blk_stats(NvmeNamespace *ns, struct nvme_stats *stats) 421088eea45cSKlaus Jensen { 421188eea45cSKlaus Jensen BlockAcctStats *s = blk_get_stats(ns->blkconf.blk); 421288eea45cSKlaus Jensen 421388eea45cSKlaus Jensen stats->units_read += s->nr_bytes[BLOCK_ACCT_READ] >> BDRV_SECTOR_BITS; 421488eea45cSKlaus Jensen stats->units_written += s->nr_bytes[BLOCK_ACCT_WRITE] >> BDRV_SECTOR_BITS; 421588eea45cSKlaus Jensen stats->read_commands += s->nr_ops[BLOCK_ACCT_READ]; 421688eea45cSKlaus Jensen stats->write_commands += s->nr_ops[BLOCK_ACCT_WRITE]; 421788eea45cSKlaus Jensen } 421888eea45cSKlaus Jensen 421988eea45cSKlaus Jensen static uint16_t nvme_smart_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 422088eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 422188eea45cSKlaus Jensen { 422288eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 422388eea45cSKlaus Jensen struct nvme_stats stats = { 0 }; 422488eea45cSKlaus Jensen NvmeSmartLog smart = { 0 }; 422588eea45cSKlaus Jensen uint32_t trans_len; 422688eea45cSKlaus Jensen NvmeNamespace *ns; 422788eea45cSKlaus Jensen time_t current_ms; 422888eea45cSKlaus Jensen 422988eea45cSKlaus Jensen if (off >= sizeof(smart)) { 423088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 423188eea45cSKlaus Jensen } 423288eea45cSKlaus Jensen 423388eea45cSKlaus Jensen if (nsid != 0xffffffff) { 423488eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 423588eea45cSKlaus Jensen if (!ns) { 423688eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 423788eea45cSKlaus Jensen } 423888eea45cSKlaus Jensen nvme_set_blk_stats(ns, &stats); 423988eea45cSKlaus Jensen } else { 424088eea45cSKlaus Jensen int i; 424188eea45cSKlaus Jensen 424288eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 424388eea45cSKlaus Jensen ns = nvme_ns(n, i); 424488eea45cSKlaus Jensen if (!ns) { 424588eea45cSKlaus Jensen continue; 424688eea45cSKlaus Jensen } 424788eea45cSKlaus Jensen nvme_set_blk_stats(ns, &stats); 424888eea45cSKlaus Jensen } 424988eea45cSKlaus Jensen } 425088eea45cSKlaus Jensen 425188eea45cSKlaus Jensen trans_len = MIN(sizeof(smart) - off, buf_len); 425288eea45cSKlaus Jensen smart.critical_warning = n->smart_critical_warning; 425388eea45cSKlaus Jensen 425488eea45cSKlaus Jensen smart.data_units_read[0] = cpu_to_le64(DIV_ROUND_UP(stats.units_read, 425588eea45cSKlaus Jensen 1000)); 425688eea45cSKlaus Jensen smart.data_units_written[0] = cpu_to_le64(DIV_ROUND_UP(stats.units_written, 425788eea45cSKlaus Jensen 1000)); 425888eea45cSKlaus Jensen smart.host_read_commands[0] = cpu_to_le64(stats.read_commands); 425988eea45cSKlaus Jensen smart.host_write_commands[0] = cpu_to_le64(stats.write_commands); 426088eea45cSKlaus Jensen 426188eea45cSKlaus Jensen smart.temperature = cpu_to_le16(n->temperature); 426288eea45cSKlaus Jensen 426388eea45cSKlaus Jensen if ((n->temperature >= n->features.temp_thresh_hi) || 426488eea45cSKlaus Jensen (n->temperature <= n->features.temp_thresh_low)) { 426588eea45cSKlaus Jensen smart.critical_warning |= NVME_SMART_TEMPERATURE; 426688eea45cSKlaus Jensen } 426788eea45cSKlaus Jensen 426888eea45cSKlaus Jensen current_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 426988eea45cSKlaus Jensen smart.power_on_hours[0] = 427088eea45cSKlaus Jensen cpu_to_le64((((current_ms - n->starttime_ms) / 1000) / 60) / 60); 427188eea45cSKlaus Jensen 427288eea45cSKlaus Jensen if (!rae) { 427388eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_SMART); 427488eea45cSKlaus Jensen } 427588eea45cSKlaus Jensen 427688eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *) &smart + off, trans_len, req); 427788eea45cSKlaus Jensen } 427888eea45cSKlaus Jensen 427988eea45cSKlaus Jensen static uint16_t nvme_fw_log_info(NvmeCtrl *n, uint32_t buf_len, uint64_t off, 428088eea45cSKlaus Jensen NvmeRequest *req) 428188eea45cSKlaus Jensen { 428288eea45cSKlaus Jensen uint32_t trans_len; 428388eea45cSKlaus Jensen NvmeFwSlotInfoLog fw_log = { 428488eea45cSKlaus Jensen .afi = 0x1, 428588eea45cSKlaus Jensen }; 428688eea45cSKlaus Jensen 428788eea45cSKlaus Jensen if (off >= sizeof(fw_log)) { 428888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 428988eea45cSKlaus Jensen } 429088eea45cSKlaus Jensen 429188eea45cSKlaus Jensen strpadcpy((char *)&fw_log.frs1, sizeof(fw_log.frs1), "1.0", ' '); 429288eea45cSKlaus Jensen trans_len = MIN(sizeof(fw_log) - off, buf_len); 429388eea45cSKlaus Jensen 429488eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *) &fw_log + off, trans_len, req); 429588eea45cSKlaus Jensen } 429688eea45cSKlaus Jensen 429788eea45cSKlaus Jensen static uint16_t nvme_error_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 429888eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 429988eea45cSKlaus Jensen { 430088eea45cSKlaus Jensen uint32_t trans_len; 430188eea45cSKlaus Jensen NvmeErrorLog errlog; 430288eea45cSKlaus Jensen 430388eea45cSKlaus Jensen if (off >= sizeof(errlog)) { 430488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 430588eea45cSKlaus Jensen } 430688eea45cSKlaus Jensen 430788eea45cSKlaus Jensen if (!rae) { 430888eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_ERROR); 430988eea45cSKlaus Jensen } 431088eea45cSKlaus Jensen 431188eea45cSKlaus Jensen memset(&errlog, 0x0, sizeof(errlog)); 431288eea45cSKlaus Jensen trans_len = MIN(sizeof(errlog) - off, buf_len); 431388eea45cSKlaus Jensen 431488eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&errlog, trans_len, req); 431588eea45cSKlaus Jensen } 431688eea45cSKlaus Jensen 431788eea45cSKlaus Jensen static uint16_t nvme_changed_nslist(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 431888eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 431988eea45cSKlaus Jensen { 432088eea45cSKlaus Jensen uint32_t nslist[1024]; 432188eea45cSKlaus Jensen uint32_t trans_len; 432288eea45cSKlaus Jensen int i = 0; 432388eea45cSKlaus Jensen uint32_t nsid; 432488eea45cSKlaus Jensen 4325e2c57529SKlaus Jensen if (off >= sizeof(nslist)) { 4326e2c57529SKlaus Jensen trace_pci_nvme_err_invalid_log_page_offset(off, sizeof(nslist)); 4327e2c57529SKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 4328e2c57529SKlaus Jensen } 4329e2c57529SKlaus Jensen 433088eea45cSKlaus Jensen memset(nslist, 0x0, sizeof(nslist)); 433188eea45cSKlaus Jensen trans_len = MIN(sizeof(nslist) - off, buf_len); 433288eea45cSKlaus Jensen 433388eea45cSKlaus Jensen while ((nsid = find_first_bit(n->changed_nsids, NVME_CHANGED_NSID_SIZE)) != 433488eea45cSKlaus Jensen NVME_CHANGED_NSID_SIZE) { 433588eea45cSKlaus Jensen /* 433688eea45cSKlaus Jensen * If more than 1024 namespaces, the first entry in the log page should 433788eea45cSKlaus Jensen * be set to FFFFFFFFh and the others to 0 as spec. 433888eea45cSKlaus Jensen */ 433988eea45cSKlaus Jensen if (i == ARRAY_SIZE(nslist)) { 434088eea45cSKlaus Jensen memset(nslist, 0x0, sizeof(nslist)); 434188eea45cSKlaus Jensen nslist[0] = 0xffffffff; 434288eea45cSKlaus Jensen break; 434388eea45cSKlaus Jensen } 434488eea45cSKlaus Jensen 434588eea45cSKlaus Jensen nslist[i++] = nsid; 434688eea45cSKlaus Jensen clear_bit(nsid, n->changed_nsids); 434788eea45cSKlaus Jensen } 434888eea45cSKlaus Jensen 434988eea45cSKlaus Jensen /* 435088eea45cSKlaus Jensen * Remove all the remaining list entries in case returns directly due to 435188eea45cSKlaus Jensen * more than 1024 namespaces. 435288eea45cSKlaus Jensen */ 435388eea45cSKlaus Jensen if (nslist[0] == 0xffffffff) { 435488eea45cSKlaus Jensen bitmap_zero(n->changed_nsids, NVME_CHANGED_NSID_SIZE); 435588eea45cSKlaus Jensen } 435688eea45cSKlaus Jensen 435788eea45cSKlaus Jensen if (!rae) { 435888eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_NOTICE); 435988eea45cSKlaus Jensen } 436088eea45cSKlaus Jensen 436188eea45cSKlaus Jensen return nvme_c2h(n, ((uint8_t *)nslist) + off, trans_len, req); 436288eea45cSKlaus Jensen } 436388eea45cSKlaus Jensen 436488eea45cSKlaus Jensen static uint16_t nvme_cmd_effects(NvmeCtrl *n, uint8_t csi, uint32_t buf_len, 436588eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 436688eea45cSKlaus Jensen { 436788eea45cSKlaus Jensen NvmeEffectsLog log = {}; 436888eea45cSKlaus Jensen const uint32_t *src_iocs = NULL; 436988eea45cSKlaus Jensen uint32_t trans_len; 437088eea45cSKlaus Jensen 437188eea45cSKlaus Jensen if (off >= sizeof(log)) { 437288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_log_page_offset(off, sizeof(log)); 437388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 437488eea45cSKlaus Jensen } 437588eea45cSKlaus Jensen 437649e03457SKlaus Jensen switch (NVME_CC_CSS(ldl_le_p(&n->bar.cc))) { 437788eea45cSKlaus Jensen case NVME_CC_CSS_NVM: 437888eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_nvm; 437988eea45cSKlaus Jensen /* fall through */ 438088eea45cSKlaus Jensen case NVME_CC_CSS_ADMIN_ONLY: 438188eea45cSKlaus Jensen break; 438288eea45cSKlaus Jensen case NVME_CC_CSS_CSI: 438388eea45cSKlaus Jensen switch (csi) { 438488eea45cSKlaus Jensen case NVME_CSI_NVM: 438588eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_nvm; 438688eea45cSKlaus Jensen break; 438788eea45cSKlaus Jensen case NVME_CSI_ZONED: 438888eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_zoned; 438988eea45cSKlaus Jensen break; 439088eea45cSKlaus Jensen } 439188eea45cSKlaus Jensen } 439288eea45cSKlaus Jensen 439388eea45cSKlaus Jensen memcpy(log.acs, nvme_cse_acs, sizeof(nvme_cse_acs)); 439488eea45cSKlaus Jensen 439588eea45cSKlaus Jensen if (src_iocs) { 439688eea45cSKlaus Jensen memcpy(log.iocs, src_iocs, sizeof(log.iocs)); 439788eea45cSKlaus Jensen } 439888eea45cSKlaus Jensen 439988eea45cSKlaus Jensen trans_len = MIN(sizeof(log) - off, buf_len); 440088eea45cSKlaus Jensen 440188eea45cSKlaus Jensen return nvme_c2h(n, ((uint8_t *)&log) + off, trans_len, req); 440288eea45cSKlaus Jensen } 440388eea45cSKlaus Jensen 440488eea45cSKlaus Jensen static uint16_t nvme_get_log(NvmeCtrl *n, NvmeRequest *req) 440588eea45cSKlaus Jensen { 440688eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 440788eea45cSKlaus Jensen 440888eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 440988eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 441088eea45cSKlaus Jensen uint32_t dw12 = le32_to_cpu(cmd->cdw12); 441188eea45cSKlaus Jensen uint32_t dw13 = le32_to_cpu(cmd->cdw13); 441288eea45cSKlaus Jensen uint8_t lid = dw10 & 0xff; 441388eea45cSKlaus Jensen uint8_t lsp = (dw10 >> 8) & 0xf; 441488eea45cSKlaus Jensen uint8_t rae = (dw10 >> 15) & 0x1; 441588eea45cSKlaus Jensen uint8_t csi = le32_to_cpu(cmd->cdw14) >> 24; 441688eea45cSKlaus Jensen uint32_t numdl, numdu; 441788eea45cSKlaus Jensen uint64_t off, lpol, lpou; 441888eea45cSKlaus Jensen size_t len; 441988eea45cSKlaus Jensen uint16_t status; 442088eea45cSKlaus Jensen 442188eea45cSKlaus Jensen numdl = (dw10 >> 16); 442288eea45cSKlaus Jensen numdu = (dw11 & 0xffff); 442388eea45cSKlaus Jensen lpol = dw12; 442488eea45cSKlaus Jensen lpou = dw13; 442588eea45cSKlaus Jensen 442688eea45cSKlaus Jensen len = (((numdu << 16) | numdl) + 1) << 2; 442788eea45cSKlaus Jensen off = (lpou << 32ULL) | lpol; 442888eea45cSKlaus Jensen 442988eea45cSKlaus Jensen if (off & 0x3) { 443088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 443188eea45cSKlaus Jensen } 443288eea45cSKlaus Jensen 443388eea45cSKlaus Jensen trace_pci_nvme_get_log(nvme_cid(req), lid, lsp, rae, len, off); 443488eea45cSKlaus Jensen 443588eea45cSKlaus Jensen status = nvme_check_mdts(n, len); 443688eea45cSKlaus Jensen if (status) { 443788eea45cSKlaus Jensen return status; 443888eea45cSKlaus Jensen } 443988eea45cSKlaus Jensen 444088eea45cSKlaus Jensen switch (lid) { 444188eea45cSKlaus Jensen case NVME_LOG_ERROR_INFO: 444288eea45cSKlaus Jensen return nvme_error_info(n, rae, len, off, req); 444388eea45cSKlaus Jensen case NVME_LOG_SMART_INFO: 444488eea45cSKlaus Jensen return nvme_smart_info(n, rae, len, off, req); 444588eea45cSKlaus Jensen case NVME_LOG_FW_SLOT_INFO: 444688eea45cSKlaus Jensen return nvme_fw_log_info(n, len, off, req); 444788eea45cSKlaus Jensen case NVME_LOG_CHANGED_NSLIST: 444888eea45cSKlaus Jensen return nvme_changed_nslist(n, rae, len, off, req); 444988eea45cSKlaus Jensen case NVME_LOG_CMD_EFFECTS: 445088eea45cSKlaus Jensen return nvme_cmd_effects(n, csi, len, off, req); 445188eea45cSKlaus Jensen default: 445288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_log_page(nvme_cid(req), lid); 445388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 445488eea45cSKlaus Jensen } 445588eea45cSKlaus Jensen } 445688eea45cSKlaus Jensen 445788eea45cSKlaus Jensen static void nvme_free_cq(NvmeCQueue *cq, NvmeCtrl *n) 445888eea45cSKlaus Jensen { 445988eea45cSKlaus Jensen n->cq[cq->cqid] = NULL; 446088eea45cSKlaus Jensen timer_free(cq->timer); 446188eea45cSKlaus Jensen if (msix_enabled(&n->parent_obj)) { 446288eea45cSKlaus Jensen msix_vector_unuse(&n->parent_obj, cq->vector); 446388eea45cSKlaus Jensen } 446488eea45cSKlaus Jensen if (cq->cqid) { 446588eea45cSKlaus Jensen g_free(cq); 446688eea45cSKlaus Jensen } 446788eea45cSKlaus Jensen } 446888eea45cSKlaus Jensen 446988eea45cSKlaus Jensen static uint16_t nvme_del_cq(NvmeCtrl *n, NvmeRequest *req) 447088eea45cSKlaus Jensen { 447188eea45cSKlaus Jensen NvmeDeleteQ *c = (NvmeDeleteQ *)&req->cmd; 447288eea45cSKlaus Jensen NvmeCQueue *cq; 447388eea45cSKlaus Jensen uint16_t qid = le16_to_cpu(c->qid); 447488eea45cSKlaus Jensen 447588eea45cSKlaus Jensen if (unlikely(!qid || nvme_check_cqid(n, qid))) { 447688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_cq_cqid(qid); 447788eea45cSKlaus Jensen return NVME_INVALID_CQID | NVME_DNR; 447888eea45cSKlaus Jensen } 447988eea45cSKlaus Jensen 448088eea45cSKlaus Jensen cq = n->cq[qid]; 448188eea45cSKlaus Jensen if (unlikely(!QTAILQ_EMPTY(&cq->sq_list))) { 448288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_cq_notempty(qid); 448388eea45cSKlaus Jensen return NVME_INVALID_QUEUE_DEL; 448488eea45cSKlaus Jensen } 448583d7ed5cSKlaus Jensen 448683d7ed5cSKlaus Jensen if (cq->irq_enabled && cq->tail != cq->head) { 448783d7ed5cSKlaus Jensen n->cq_pending--; 448883d7ed5cSKlaus Jensen } 448983d7ed5cSKlaus Jensen 449088eea45cSKlaus Jensen nvme_irq_deassert(n, cq); 449188eea45cSKlaus Jensen trace_pci_nvme_del_cq(qid); 449288eea45cSKlaus Jensen nvme_free_cq(cq, n); 449388eea45cSKlaus Jensen return NVME_SUCCESS; 449488eea45cSKlaus Jensen } 449588eea45cSKlaus Jensen 449688eea45cSKlaus Jensen static void nvme_init_cq(NvmeCQueue *cq, NvmeCtrl *n, uint64_t dma_addr, 449788eea45cSKlaus Jensen uint16_t cqid, uint16_t vector, uint16_t size, 449888eea45cSKlaus Jensen uint16_t irq_enabled) 449988eea45cSKlaus Jensen { 450088eea45cSKlaus Jensen int ret; 450188eea45cSKlaus Jensen 450288eea45cSKlaus Jensen if (msix_enabled(&n->parent_obj)) { 450388eea45cSKlaus Jensen ret = msix_vector_use(&n->parent_obj, vector); 450488eea45cSKlaus Jensen assert(ret == 0); 450588eea45cSKlaus Jensen } 450688eea45cSKlaus Jensen cq->ctrl = n; 450788eea45cSKlaus Jensen cq->cqid = cqid; 450888eea45cSKlaus Jensen cq->size = size; 450988eea45cSKlaus Jensen cq->dma_addr = dma_addr; 451088eea45cSKlaus Jensen cq->phase = 1; 451188eea45cSKlaus Jensen cq->irq_enabled = irq_enabled; 451288eea45cSKlaus Jensen cq->vector = vector; 451388eea45cSKlaus Jensen cq->head = cq->tail = 0; 451488eea45cSKlaus Jensen QTAILQ_INIT(&cq->req_list); 451588eea45cSKlaus Jensen QTAILQ_INIT(&cq->sq_list); 451688eea45cSKlaus Jensen n->cq[cqid] = cq; 451788eea45cSKlaus Jensen cq->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, nvme_post_cqes, cq); 451888eea45cSKlaus Jensen } 451988eea45cSKlaus Jensen 452088eea45cSKlaus Jensen static uint16_t nvme_create_cq(NvmeCtrl *n, NvmeRequest *req) 452188eea45cSKlaus Jensen { 452288eea45cSKlaus Jensen NvmeCQueue *cq; 452388eea45cSKlaus Jensen NvmeCreateCq *c = (NvmeCreateCq *)&req->cmd; 452488eea45cSKlaus Jensen uint16_t cqid = le16_to_cpu(c->cqid); 452588eea45cSKlaus Jensen uint16_t vector = le16_to_cpu(c->irq_vector); 452688eea45cSKlaus Jensen uint16_t qsize = le16_to_cpu(c->qsize); 452788eea45cSKlaus Jensen uint16_t qflags = le16_to_cpu(c->cq_flags); 452888eea45cSKlaus Jensen uint64_t prp1 = le64_to_cpu(c->prp1); 452988eea45cSKlaus Jensen 453088eea45cSKlaus Jensen trace_pci_nvme_create_cq(prp1, cqid, vector, qsize, qflags, 453188eea45cSKlaus Jensen NVME_CQ_FLAGS_IEN(qflags) != 0); 453288eea45cSKlaus Jensen 453388eea45cSKlaus Jensen if (unlikely(!cqid || cqid > n->params.max_ioqpairs || 453488eea45cSKlaus Jensen n->cq[cqid] != NULL)) { 453588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_cqid(cqid); 453688eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 453788eea45cSKlaus Jensen } 453849e03457SKlaus Jensen if (unlikely(!qsize || qsize > NVME_CAP_MQES(ldq_le_p(&n->bar.cap)))) { 453988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_size(qsize); 454088eea45cSKlaus Jensen return NVME_MAX_QSIZE_EXCEEDED | NVME_DNR; 454188eea45cSKlaus Jensen } 454288eea45cSKlaus Jensen if (unlikely(prp1 & (n->page_size - 1))) { 454388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_addr(prp1); 454488eea45cSKlaus Jensen return NVME_INVALID_PRP_OFFSET | NVME_DNR; 454588eea45cSKlaus Jensen } 454688eea45cSKlaus Jensen if (unlikely(!msix_enabled(&n->parent_obj) && vector)) { 454788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_vector(vector); 454888eea45cSKlaus Jensen return NVME_INVALID_IRQ_VECTOR | NVME_DNR; 454988eea45cSKlaus Jensen } 455088eea45cSKlaus Jensen if (unlikely(vector >= n->params.msix_qsize)) { 455188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_vector(vector); 455288eea45cSKlaus Jensen return NVME_INVALID_IRQ_VECTOR | NVME_DNR; 455388eea45cSKlaus Jensen } 455488eea45cSKlaus Jensen if (unlikely(!(NVME_CQ_FLAGS_PC(qflags)))) { 455588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_qflags(NVME_CQ_FLAGS_PC(qflags)); 455688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 455788eea45cSKlaus Jensen } 455888eea45cSKlaus Jensen 455988eea45cSKlaus Jensen cq = g_malloc0(sizeof(*cq)); 456088eea45cSKlaus Jensen nvme_init_cq(cq, n, prp1, cqid, vector, qsize + 1, 456188eea45cSKlaus Jensen NVME_CQ_FLAGS_IEN(qflags)); 456288eea45cSKlaus Jensen 456388eea45cSKlaus Jensen /* 456488eea45cSKlaus Jensen * It is only required to set qs_created when creating a completion queue; 456588eea45cSKlaus Jensen * creating a submission queue without a matching completion queue will 456688eea45cSKlaus Jensen * fail. 456788eea45cSKlaus Jensen */ 456888eea45cSKlaus Jensen n->qs_created = true; 456988eea45cSKlaus Jensen return NVME_SUCCESS; 457088eea45cSKlaus Jensen } 457188eea45cSKlaus Jensen 457288eea45cSKlaus Jensen static uint16_t nvme_rpt_empty_id_struct(NvmeCtrl *n, NvmeRequest *req) 457388eea45cSKlaus Jensen { 457488eea45cSKlaus Jensen uint8_t id[NVME_IDENTIFY_DATA_SIZE] = {}; 457588eea45cSKlaus Jensen 457688eea45cSKlaus Jensen return nvme_c2h(n, id, sizeof(id), req); 457788eea45cSKlaus Jensen } 457888eea45cSKlaus Jensen 457988eea45cSKlaus Jensen static uint16_t nvme_identify_ctrl(NvmeCtrl *n, NvmeRequest *req) 458088eea45cSKlaus Jensen { 458188eea45cSKlaus Jensen trace_pci_nvme_identify_ctrl(); 458288eea45cSKlaus Jensen 458388eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&n->id_ctrl, sizeof(n->id_ctrl), req); 458488eea45cSKlaus Jensen } 458588eea45cSKlaus Jensen 458688eea45cSKlaus Jensen static uint16_t nvme_identify_ctrl_csi(NvmeCtrl *n, NvmeRequest *req) 458788eea45cSKlaus Jensen { 458888eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 458988eea45cSKlaus Jensen uint8_t id[NVME_IDENTIFY_DATA_SIZE] = {}; 459088eea45cSKlaus Jensen NvmeIdCtrlNvm *id_nvm = (NvmeIdCtrlNvm *)&id; 459188eea45cSKlaus Jensen 459288eea45cSKlaus Jensen trace_pci_nvme_identify_ctrl_csi(c->csi); 459388eea45cSKlaus Jensen 459488eea45cSKlaus Jensen switch (c->csi) { 459588eea45cSKlaus Jensen case NVME_CSI_NVM: 459688eea45cSKlaus Jensen id_nvm->vsl = n->params.vsl; 459788eea45cSKlaus Jensen id_nvm->dmrsl = cpu_to_le32(n->dmrsl); 459888eea45cSKlaus Jensen break; 459988eea45cSKlaus Jensen 460088eea45cSKlaus Jensen case NVME_CSI_ZONED: 460188eea45cSKlaus Jensen ((NvmeIdCtrlZoned *)&id)->zasl = n->params.zasl; 460288eea45cSKlaus Jensen break; 460388eea45cSKlaus Jensen 460488eea45cSKlaus Jensen default: 460588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 460688eea45cSKlaus Jensen } 460788eea45cSKlaus Jensen 460888eea45cSKlaus Jensen return nvme_c2h(n, id, sizeof(id), req); 460988eea45cSKlaus Jensen } 461088eea45cSKlaus Jensen 461188eea45cSKlaus Jensen static uint16_t nvme_identify_ns(NvmeCtrl *n, NvmeRequest *req, bool active) 461288eea45cSKlaus Jensen { 461388eea45cSKlaus Jensen NvmeNamespace *ns; 461488eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 461588eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 461688eea45cSKlaus Jensen 461788eea45cSKlaus Jensen trace_pci_nvme_identify_ns(nsid); 461888eea45cSKlaus Jensen 461988eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 462088eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 462188eea45cSKlaus Jensen } 462288eea45cSKlaus Jensen 462388eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 462488eea45cSKlaus Jensen if (unlikely(!ns)) { 462588eea45cSKlaus Jensen if (!active) { 462688eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 462788eea45cSKlaus Jensen if (!ns) { 462888eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 462988eea45cSKlaus Jensen } 463088eea45cSKlaus Jensen } else { 463188eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 463288eea45cSKlaus Jensen } 463388eea45cSKlaus Jensen } 463488eea45cSKlaus Jensen 46353553c48fSGollu Appalanaidu if (active || ns->csi == NVME_CSI_NVM) { 463688eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&ns->id_ns, sizeof(NvmeIdNs), req); 463788eea45cSKlaus Jensen } 463888eea45cSKlaus Jensen 463988eea45cSKlaus Jensen return NVME_INVALID_CMD_SET | NVME_DNR; 464088eea45cSKlaus Jensen } 464188eea45cSKlaus Jensen 46425f4eb94dSGollu Appalanaidu static uint16_t nvme_identify_ctrl_list(NvmeCtrl *n, NvmeRequest *req, 46435f4eb94dSGollu Appalanaidu bool attached) 464488eea45cSKlaus Jensen { 464588eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 46465f4eb94dSGollu Appalanaidu uint32_t nsid = le32_to_cpu(c->nsid); 464788eea45cSKlaus Jensen uint16_t min_id = le16_to_cpu(c->ctrlid); 464888eea45cSKlaus Jensen uint16_t list[NVME_CONTROLLER_LIST_SIZE] = {}; 464988eea45cSKlaus Jensen uint16_t *ids = &list[1]; 465088eea45cSKlaus Jensen NvmeNamespace *ns; 465188eea45cSKlaus Jensen NvmeCtrl *ctrl; 465288eea45cSKlaus Jensen int cntlid, nr_ids = 0; 465388eea45cSKlaus Jensen 46545f4eb94dSGollu Appalanaidu trace_pci_nvme_identify_ctrl_list(c->cns, min_id); 465588eea45cSKlaus Jensen 46565f4eb94dSGollu Appalanaidu if (!n->subsys) { 465788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 465888eea45cSKlaus Jensen } 465988eea45cSKlaus Jensen 46605f4eb94dSGollu Appalanaidu if (attached) { 46615f4eb94dSGollu Appalanaidu if (nsid == NVME_NSID_BROADCAST) { 46625f4eb94dSGollu Appalanaidu return NVME_INVALID_FIELD | NVME_DNR; 46635f4eb94dSGollu Appalanaidu } 46645f4eb94dSGollu Appalanaidu 46655f4eb94dSGollu Appalanaidu ns = nvme_subsys_ns(n->subsys, nsid); 466688eea45cSKlaus Jensen if (!ns) { 466788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 466888eea45cSKlaus Jensen } 46695f4eb94dSGollu Appalanaidu } 467088eea45cSKlaus Jensen 467188eea45cSKlaus Jensen for (cntlid = min_id; cntlid < ARRAY_SIZE(n->subsys->ctrls); cntlid++) { 467288eea45cSKlaus Jensen ctrl = nvme_subsys_ctrl(n->subsys, cntlid); 467388eea45cSKlaus Jensen if (!ctrl) { 467488eea45cSKlaus Jensen continue; 467588eea45cSKlaus Jensen } 467688eea45cSKlaus Jensen 46775f4eb94dSGollu Appalanaidu if (attached && !nvme_ns(ctrl, nsid)) { 467888eea45cSKlaus Jensen continue; 467988eea45cSKlaus Jensen } 468088eea45cSKlaus Jensen 468188eea45cSKlaus Jensen ids[nr_ids++] = cntlid; 468288eea45cSKlaus Jensen } 468388eea45cSKlaus Jensen 468488eea45cSKlaus Jensen list[0] = nr_ids; 468588eea45cSKlaus Jensen 468688eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)list, sizeof(list), req); 468788eea45cSKlaus Jensen } 468888eea45cSKlaus Jensen 468988eea45cSKlaus Jensen static uint16_t nvme_identify_ns_csi(NvmeCtrl *n, NvmeRequest *req, 469088eea45cSKlaus Jensen bool active) 469188eea45cSKlaus Jensen { 469288eea45cSKlaus Jensen NvmeNamespace *ns; 469388eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 469488eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 469588eea45cSKlaus Jensen 469688eea45cSKlaus Jensen trace_pci_nvme_identify_ns_csi(nsid, c->csi); 469788eea45cSKlaus Jensen 469888eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 469988eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 470088eea45cSKlaus Jensen } 470188eea45cSKlaus Jensen 470288eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 470388eea45cSKlaus Jensen if (unlikely(!ns)) { 470488eea45cSKlaus Jensen if (!active) { 470588eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 470688eea45cSKlaus Jensen if (!ns) { 470788eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 470888eea45cSKlaus Jensen } 470988eea45cSKlaus Jensen } else { 471088eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 471188eea45cSKlaus Jensen } 471288eea45cSKlaus Jensen } 471388eea45cSKlaus Jensen 47143553c48fSGollu Appalanaidu if (c->csi == NVME_CSI_NVM) { 471588eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 471688eea45cSKlaus Jensen } else if (c->csi == NVME_CSI_ZONED && ns->csi == NVME_CSI_ZONED) { 471788eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)ns->id_ns_zoned, sizeof(NvmeIdNsZoned), 471888eea45cSKlaus Jensen req); 471988eea45cSKlaus Jensen } 472088eea45cSKlaus Jensen 472188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 472288eea45cSKlaus Jensen } 472388eea45cSKlaus Jensen 472488eea45cSKlaus Jensen static uint16_t nvme_identify_nslist(NvmeCtrl *n, NvmeRequest *req, 472588eea45cSKlaus Jensen bool active) 472688eea45cSKlaus Jensen { 472788eea45cSKlaus Jensen NvmeNamespace *ns; 472888eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 472988eea45cSKlaus Jensen uint32_t min_nsid = le32_to_cpu(c->nsid); 473088eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 473188eea45cSKlaus Jensen static const int data_len = sizeof(list); 473288eea45cSKlaus Jensen uint32_t *list_ptr = (uint32_t *)list; 473388eea45cSKlaus Jensen int i, j = 0; 473488eea45cSKlaus Jensen 473588eea45cSKlaus Jensen trace_pci_nvme_identify_nslist(min_nsid); 473688eea45cSKlaus Jensen 473788eea45cSKlaus Jensen /* 473888eea45cSKlaus Jensen * Both FFFFFFFFh (NVME_NSID_BROADCAST) and FFFFFFFFEh are invalid values 473988eea45cSKlaus Jensen * since the Active Namespace ID List should return namespaces with ids 474088eea45cSKlaus Jensen * *higher* than the NSID specified in the command. This is also specified 474188eea45cSKlaus Jensen * in the spec (NVM Express v1.3d, Section 5.15.4). 474288eea45cSKlaus Jensen */ 474388eea45cSKlaus Jensen if (min_nsid >= NVME_NSID_BROADCAST - 1) { 474488eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 474588eea45cSKlaus Jensen } 474688eea45cSKlaus Jensen 474788eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 474888eea45cSKlaus Jensen ns = nvme_ns(n, i); 474988eea45cSKlaus Jensen if (!ns) { 475088eea45cSKlaus Jensen if (!active) { 475188eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, i); 475288eea45cSKlaus Jensen if (!ns) { 475388eea45cSKlaus Jensen continue; 475488eea45cSKlaus Jensen } 475588eea45cSKlaus Jensen } else { 475688eea45cSKlaus Jensen continue; 475788eea45cSKlaus Jensen } 475888eea45cSKlaus Jensen } 475988eea45cSKlaus Jensen if (ns->params.nsid <= min_nsid) { 476088eea45cSKlaus Jensen continue; 476188eea45cSKlaus Jensen } 476288eea45cSKlaus Jensen list_ptr[j++] = cpu_to_le32(ns->params.nsid); 476388eea45cSKlaus Jensen if (j == data_len / sizeof(uint32_t)) { 476488eea45cSKlaus Jensen break; 476588eea45cSKlaus Jensen } 476688eea45cSKlaus Jensen } 476788eea45cSKlaus Jensen 476888eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 476988eea45cSKlaus Jensen } 477088eea45cSKlaus Jensen 477188eea45cSKlaus Jensen static uint16_t nvme_identify_nslist_csi(NvmeCtrl *n, NvmeRequest *req, 477288eea45cSKlaus Jensen bool active) 477388eea45cSKlaus Jensen { 477488eea45cSKlaus Jensen NvmeNamespace *ns; 477588eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 477688eea45cSKlaus Jensen uint32_t min_nsid = le32_to_cpu(c->nsid); 477788eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 477888eea45cSKlaus Jensen static const int data_len = sizeof(list); 477988eea45cSKlaus Jensen uint32_t *list_ptr = (uint32_t *)list; 478088eea45cSKlaus Jensen int i, j = 0; 478188eea45cSKlaus Jensen 478288eea45cSKlaus Jensen trace_pci_nvme_identify_nslist_csi(min_nsid, c->csi); 478388eea45cSKlaus Jensen 478488eea45cSKlaus Jensen /* 478588eea45cSKlaus Jensen * Same as in nvme_identify_nslist(), FFFFFFFFh/FFFFFFFFEh are invalid. 478688eea45cSKlaus Jensen */ 478788eea45cSKlaus Jensen if (min_nsid >= NVME_NSID_BROADCAST - 1) { 478888eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 478988eea45cSKlaus Jensen } 479088eea45cSKlaus Jensen 479188eea45cSKlaus Jensen if (c->csi != NVME_CSI_NVM && c->csi != NVME_CSI_ZONED) { 479288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 479388eea45cSKlaus Jensen } 479488eea45cSKlaus Jensen 479588eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 479688eea45cSKlaus Jensen ns = nvme_ns(n, i); 479788eea45cSKlaus Jensen if (!ns) { 479888eea45cSKlaus Jensen if (!active) { 479988eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, i); 480088eea45cSKlaus Jensen if (!ns) { 480188eea45cSKlaus Jensen continue; 480288eea45cSKlaus Jensen } 480388eea45cSKlaus Jensen } else { 480488eea45cSKlaus Jensen continue; 480588eea45cSKlaus Jensen } 480688eea45cSKlaus Jensen } 480788eea45cSKlaus Jensen if (ns->params.nsid <= min_nsid || c->csi != ns->csi) { 480888eea45cSKlaus Jensen continue; 480988eea45cSKlaus Jensen } 481088eea45cSKlaus Jensen list_ptr[j++] = cpu_to_le32(ns->params.nsid); 481188eea45cSKlaus Jensen if (j == data_len / sizeof(uint32_t)) { 481288eea45cSKlaus Jensen break; 481388eea45cSKlaus Jensen } 481488eea45cSKlaus Jensen } 481588eea45cSKlaus Jensen 481688eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 481788eea45cSKlaus Jensen } 481888eea45cSKlaus Jensen 481988eea45cSKlaus Jensen static uint16_t nvme_identify_ns_descr_list(NvmeCtrl *n, NvmeRequest *req) 482088eea45cSKlaus Jensen { 482188eea45cSKlaus Jensen NvmeNamespace *ns; 482288eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 482388eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 482488eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 48256870cfb8SHeinrich Schuchardt uint8_t *pos = list; 482688eea45cSKlaus Jensen struct { 482788eea45cSKlaus Jensen NvmeIdNsDescr hdr; 482888eea45cSKlaus Jensen uint8_t v[NVME_NIDL_UUID]; 48295f4884c4SKlaus Jensen } QEMU_PACKED uuid = {}; 48306870cfb8SHeinrich Schuchardt struct { 48316870cfb8SHeinrich Schuchardt NvmeIdNsDescr hdr; 48326870cfb8SHeinrich Schuchardt uint64_t v; 48335f4884c4SKlaus Jensen } QEMU_PACKED eui64 = {}; 483488eea45cSKlaus Jensen struct { 483588eea45cSKlaus Jensen NvmeIdNsDescr hdr; 483688eea45cSKlaus Jensen uint8_t v; 48375f4884c4SKlaus Jensen } QEMU_PACKED csi = {}; 483888eea45cSKlaus Jensen 483988eea45cSKlaus Jensen trace_pci_nvme_identify_ns_descr_list(nsid); 484088eea45cSKlaus Jensen 484188eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 484288eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 484388eea45cSKlaus Jensen } 484488eea45cSKlaus Jensen 484588eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 484688eea45cSKlaus Jensen if (unlikely(!ns)) { 484788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 484888eea45cSKlaus Jensen } 484988eea45cSKlaus Jensen 485088eea45cSKlaus Jensen /* 48516870cfb8SHeinrich Schuchardt * If the EUI-64 field is 0 and the NGUID field is 0, the namespace must 48526870cfb8SHeinrich Schuchardt * provide a valid Namespace UUID in the Namespace Identification Descriptor 48536870cfb8SHeinrich Schuchardt * data structure. QEMU does not yet support setting NGUID. 485488eea45cSKlaus Jensen */ 48556870cfb8SHeinrich Schuchardt uuid.hdr.nidt = NVME_NIDT_UUID; 48566870cfb8SHeinrich Schuchardt uuid.hdr.nidl = NVME_NIDL_UUID; 48576870cfb8SHeinrich Schuchardt memcpy(uuid.v, ns->params.uuid.data, NVME_NIDL_UUID); 48586870cfb8SHeinrich Schuchardt memcpy(pos, &uuid, sizeof(uuid)); 48596870cfb8SHeinrich Schuchardt pos += sizeof(uuid); 486088eea45cSKlaus Jensen 48616870cfb8SHeinrich Schuchardt if (ns->params.eui64) { 48626870cfb8SHeinrich Schuchardt eui64.hdr.nidt = NVME_NIDT_EUI64; 48636870cfb8SHeinrich Schuchardt eui64.hdr.nidl = NVME_NIDL_EUI64; 48646870cfb8SHeinrich Schuchardt eui64.v = cpu_to_be64(ns->params.eui64); 48656870cfb8SHeinrich Schuchardt memcpy(pos, &eui64, sizeof(eui64)); 48666870cfb8SHeinrich Schuchardt pos += sizeof(eui64); 48676870cfb8SHeinrich Schuchardt } 48686870cfb8SHeinrich Schuchardt 48696870cfb8SHeinrich Schuchardt csi.hdr.nidt = NVME_NIDT_CSI; 48706870cfb8SHeinrich Schuchardt csi.hdr.nidl = NVME_NIDL_CSI; 48716870cfb8SHeinrich Schuchardt csi.v = ns->csi; 48726870cfb8SHeinrich Schuchardt memcpy(pos, &csi, sizeof(csi)); 48736870cfb8SHeinrich Schuchardt pos += sizeof(csi); 487488eea45cSKlaus Jensen 487588eea45cSKlaus Jensen return nvme_c2h(n, list, sizeof(list), req); 487688eea45cSKlaus Jensen } 487788eea45cSKlaus Jensen 487888eea45cSKlaus Jensen static uint16_t nvme_identify_cmd_set(NvmeCtrl *n, NvmeRequest *req) 487988eea45cSKlaus Jensen { 488088eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 488188eea45cSKlaus Jensen static const int data_len = sizeof(list); 488288eea45cSKlaus Jensen 488388eea45cSKlaus Jensen trace_pci_nvme_identify_cmd_set(); 488488eea45cSKlaus Jensen 488588eea45cSKlaus Jensen NVME_SET_CSI(*list, NVME_CSI_NVM); 488688eea45cSKlaus Jensen NVME_SET_CSI(*list, NVME_CSI_ZONED); 488788eea45cSKlaus Jensen 488888eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 488988eea45cSKlaus Jensen } 489088eea45cSKlaus Jensen 489188eea45cSKlaus Jensen static uint16_t nvme_identify(NvmeCtrl *n, NvmeRequest *req) 489288eea45cSKlaus Jensen { 489388eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 489488eea45cSKlaus Jensen 489588eea45cSKlaus Jensen trace_pci_nvme_identify(nvme_cid(req), c->cns, le16_to_cpu(c->ctrlid), 489688eea45cSKlaus Jensen c->csi); 489788eea45cSKlaus Jensen 489888eea45cSKlaus Jensen switch (c->cns) { 489988eea45cSKlaus Jensen case NVME_ID_CNS_NS: 490088eea45cSKlaus Jensen return nvme_identify_ns(n, req, true); 490188eea45cSKlaus Jensen case NVME_ID_CNS_NS_PRESENT: 490288eea45cSKlaus Jensen return nvme_identify_ns(n, req, false); 490388eea45cSKlaus Jensen case NVME_ID_CNS_NS_ATTACHED_CTRL_LIST: 49045f4eb94dSGollu Appalanaidu return nvme_identify_ctrl_list(n, req, true); 49055f4eb94dSGollu Appalanaidu case NVME_ID_CNS_CTRL_LIST: 49065f4eb94dSGollu Appalanaidu return nvme_identify_ctrl_list(n, req, false); 490788eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS: 490888eea45cSKlaus Jensen return nvme_identify_ns_csi(n, req, true); 490988eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_PRESENT: 491088eea45cSKlaus Jensen return nvme_identify_ns_csi(n, req, false); 491188eea45cSKlaus Jensen case NVME_ID_CNS_CTRL: 491288eea45cSKlaus Jensen return nvme_identify_ctrl(n, req); 491388eea45cSKlaus Jensen case NVME_ID_CNS_CS_CTRL: 491488eea45cSKlaus Jensen return nvme_identify_ctrl_csi(n, req); 491588eea45cSKlaus Jensen case NVME_ID_CNS_NS_ACTIVE_LIST: 491688eea45cSKlaus Jensen return nvme_identify_nslist(n, req, true); 491788eea45cSKlaus Jensen case NVME_ID_CNS_NS_PRESENT_LIST: 491888eea45cSKlaus Jensen return nvme_identify_nslist(n, req, false); 491988eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_ACTIVE_LIST: 492088eea45cSKlaus Jensen return nvme_identify_nslist_csi(n, req, true); 492188eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_PRESENT_LIST: 492288eea45cSKlaus Jensen return nvme_identify_nslist_csi(n, req, false); 492388eea45cSKlaus Jensen case NVME_ID_CNS_NS_DESCR_LIST: 492488eea45cSKlaus Jensen return nvme_identify_ns_descr_list(n, req); 492588eea45cSKlaus Jensen case NVME_ID_CNS_IO_COMMAND_SET: 492688eea45cSKlaus Jensen return nvme_identify_cmd_set(n, req); 492788eea45cSKlaus Jensen default: 492888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_identify_cns(le32_to_cpu(c->cns)); 492988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 493088eea45cSKlaus Jensen } 493188eea45cSKlaus Jensen } 493288eea45cSKlaus Jensen 493388eea45cSKlaus Jensen static uint16_t nvme_abort(NvmeCtrl *n, NvmeRequest *req) 493488eea45cSKlaus Jensen { 493588eea45cSKlaus Jensen uint16_t sqid = le32_to_cpu(req->cmd.cdw10) & 0xffff; 493688eea45cSKlaus Jensen 493788eea45cSKlaus Jensen req->cqe.result = 1; 493888eea45cSKlaus Jensen if (nvme_check_sqid(n, sqid)) { 493988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 494088eea45cSKlaus Jensen } 494188eea45cSKlaus Jensen 494288eea45cSKlaus Jensen return NVME_SUCCESS; 494388eea45cSKlaus Jensen } 494488eea45cSKlaus Jensen 494588eea45cSKlaus Jensen static inline void nvme_set_timestamp(NvmeCtrl *n, uint64_t ts) 494688eea45cSKlaus Jensen { 494788eea45cSKlaus Jensen trace_pci_nvme_setfeat_timestamp(ts); 494888eea45cSKlaus Jensen 494988eea45cSKlaus Jensen n->host_timestamp = le64_to_cpu(ts); 495088eea45cSKlaus Jensen n->timestamp_set_qemu_clock_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 495188eea45cSKlaus Jensen } 495288eea45cSKlaus Jensen 495388eea45cSKlaus Jensen static inline uint64_t nvme_get_timestamp(const NvmeCtrl *n) 495488eea45cSKlaus Jensen { 495588eea45cSKlaus Jensen uint64_t current_time = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 495688eea45cSKlaus Jensen uint64_t elapsed_time = current_time - n->timestamp_set_qemu_clock_ms; 495788eea45cSKlaus Jensen 495888eea45cSKlaus Jensen union nvme_timestamp { 495988eea45cSKlaus Jensen struct { 496088eea45cSKlaus Jensen uint64_t timestamp:48; 496188eea45cSKlaus Jensen uint64_t sync:1; 496288eea45cSKlaus Jensen uint64_t origin:3; 496388eea45cSKlaus Jensen uint64_t rsvd1:12; 496488eea45cSKlaus Jensen }; 496588eea45cSKlaus Jensen uint64_t all; 496688eea45cSKlaus Jensen }; 496788eea45cSKlaus Jensen 496888eea45cSKlaus Jensen union nvme_timestamp ts; 496988eea45cSKlaus Jensen ts.all = 0; 497088eea45cSKlaus Jensen ts.timestamp = n->host_timestamp + elapsed_time; 497188eea45cSKlaus Jensen 497288eea45cSKlaus Jensen /* If the host timestamp is non-zero, set the timestamp origin */ 497388eea45cSKlaus Jensen ts.origin = n->host_timestamp ? 0x01 : 0x00; 497488eea45cSKlaus Jensen 497588eea45cSKlaus Jensen trace_pci_nvme_getfeat_timestamp(ts.all); 497688eea45cSKlaus Jensen 497788eea45cSKlaus Jensen return cpu_to_le64(ts.all); 497888eea45cSKlaus Jensen } 497988eea45cSKlaus Jensen 498088eea45cSKlaus Jensen static uint16_t nvme_get_feature_timestamp(NvmeCtrl *n, NvmeRequest *req) 498188eea45cSKlaus Jensen { 498288eea45cSKlaus Jensen uint64_t timestamp = nvme_get_timestamp(n); 498388eea45cSKlaus Jensen 498488eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)×tamp, sizeof(timestamp), req); 498588eea45cSKlaus Jensen } 498688eea45cSKlaus Jensen 498788eea45cSKlaus Jensen static uint16_t nvme_get_feature(NvmeCtrl *n, NvmeRequest *req) 498888eea45cSKlaus Jensen { 498988eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 499088eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 499188eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 499288eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(cmd->nsid); 499388eea45cSKlaus Jensen uint32_t result; 499488eea45cSKlaus Jensen uint8_t fid = NVME_GETSETFEAT_FID(dw10); 499588eea45cSKlaus Jensen NvmeGetFeatureSelect sel = NVME_GETFEAT_SELECT(dw10); 499688eea45cSKlaus Jensen uint16_t iv; 499788eea45cSKlaus Jensen NvmeNamespace *ns; 499888eea45cSKlaus Jensen int i; 499988eea45cSKlaus Jensen 500088eea45cSKlaus Jensen static const uint32_t nvme_feature_default[NVME_FID_MAX] = { 500188eea45cSKlaus Jensen [NVME_ARBITRATION] = NVME_ARB_AB_NOLIMIT, 500288eea45cSKlaus Jensen }; 500388eea45cSKlaus Jensen 500488eea45cSKlaus Jensen trace_pci_nvme_getfeat(nvme_cid(req), nsid, fid, sel, dw11); 500588eea45cSKlaus Jensen 500688eea45cSKlaus Jensen if (!nvme_feature_support[fid]) { 500788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 500888eea45cSKlaus Jensen } 500988eea45cSKlaus Jensen 501088eea45cSKlaus Jensen if (nvme_feature_cap[fid] & NVME_FEAT_CAP_NS) { 501188eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 501288eea45cSKlaus Jensen /* 501388eea45cSKlaus Jensen * The Reservation Notification Mask and Reservation Persistence 501488eea45cSKlaus Jensen * features require a status code of Invalid Field in Command when 501588eea45cSKlaus Jensen * NSID is FFFFFFFFh. Since the device does not support those 501688eea45cSKlaus Jensen * features we can always return Invalid Namespace or Format as we 501788eea45cSKlaus Jensen * should do for all other features. 501888eea45cSKlaus Jensen */ 501988eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 502088eea45cSKlaus Jensen } 502188eea45cSKlaus Jensen 502288eea45cSKlaus Jensen if (!nvme_ns(n, nsid)) { 502388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 502488eea45cSKlaus Jensen } 502588eea45cSKlaus Jensen } 502688eea45cSKlaus Jensen 502788eea45cSKlaus Jensen switch (sel) { 502888eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_CURRENT: 502988eea45cSKlaus Jensen break; 503088eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_SAVED: 503188eea45cSKlaus Jensen /* no features are saveable by the controller; fallthrough */ 503288eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_DEFAULT: 503388eea45cSKlaus Jensen goto defaults; 503488eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_CAP: 503588eea45cSKlaus Jensen result = nvme_feature_cap[fid]; 503688eea45cSKlaus Jensen goto out; 503788eea45cSKlaus Jensen } 503888eea45cSKlaus Jensen 503988eea45cSKlaus Jensen switch (fid) { 504088eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 504188eea45cSKlaus Jensen result = 0; 504288eea45cSKlaus Jensen 504388eea45cSKlaus Jensen /* 504488eea45cSKlaus Jensen * The controller only implements the Composite Temperature sensor, so 504588eea45cSKlaus Jensen * return 0 for all other sensors. 504688eea45cSKlaus Jensen */ 504788eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 504888eea45cSKlaus Jensen goto out; 504988eea45cSKlaus Jensen } 505088eea45cSKlaus Jensen 505188eea45cSKlaus Jensen switch (NVME_TEMP_THSEL(dw11)) { 505288eea45cSKlaus Jensen case NVME_TEMP_THSEL_OVER: 505388eea45cSKlaus Jensen result = n->features.temp_thresh_hi; 505488eea45cSKlaus Jensen goto out; 505588eea45cSKlaus Jensen case NVME_TEMP_THSEL_UNDER: 505688eea45cSKlaus Jensen result = n->features.temp_thresh_low; 505788eea45cSKlaus Jensen goto out; 505888eea45cSKlaus Jensen } 505988eea45cSKlaus Jensen 506088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 506188eea45cSKlaus Jensen case NVME_ERROR_RECOVERY: 506288eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 506388eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 506488eea45cSKlaus Jensen } 506588eea45cSKlaus Jensen 506688eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 506788eea45cSKlaus Jensen if (unlikely(!ns)) { 506888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 506988eea45cSKlaus Jensen } 507088eea45cSKlaus Jensen 507188eea45cSKlaus Jensen result = ns->features.err_rec; 507288eea45cSKlaus Jensen goto out; 507388eea45cSKlaus Jensen case NVME_VOLATILE_WRITE_CACHE: 507488eea45cSKlaus Jensen result = 0; 507588eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 507688eea45cSKlaus Jensen ns = nvme_ns(n, i); 507788eea45cSKlaus Jensen if (!ns) { 507888eea45cSKlaus Jensen continue; 507988eea45cSKlaus Jensen } 508088eea45cSKlaus Jensen 508188eea45cSKlaus Jensen result = blk_enable_write_cache(ns->blkconf.blk); 508288eea45cSKlaus Jensen if (result) { 508388eea45cSKlaus Jensen break; 508488eea45cSKlaus Jensen } 508588eea45cSKlaus Jensen } 508688eea45cSKlaus Jensen trace_pci_nvme_getfeat_vwcache(result ? "enabled" : "disabled"); 508788eea45cSKlaus Jensen goto out; 508888eea45cSKlaus Jensen case NVME_ASYNCHRONOUS_EVENT_CONF: 508988eea45cSKlaus Jensen result = n->features.async_config; 509088eea45cSKlaus Jensen goto out; 509188eea45cSKlaus Jensen case NVME_TIMESTAMP: 509288eea45cSKlaus Jensen return nvme_get_feature_timestamp(n, req); 509388eea45cSKlaus Jensen default: 509488eea45cSKlaus Jensen break; 509588eea45cSKlaus Jensen } 509688eea45cSKlaus Jensen 509788eea45cSKlaus Jensen defaults: 509888eea45cSKlaus Jensen switch (fid) { 509988eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 510088eea45cSKlaus Jensen result = 0; 510188eea45cSKlaus Jensen 510288eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 510388eea45cSKlaus Jensen break; 510488eea45cSKlaus Jensen } 510588eea45cSKlaus Jensen 510688eea45cSKlaus Jensen if (NVME_TEMP_THSEL(dw11) == NVME_TEMP_THSEL_OVER) { 510788eea45cSKlaus Jensen result = NVME_TEMPERATURE_WARNING; 510888eea45cSKlaus Jensen } 510988eea45cSKlaus Jensen 511088eea45cSKlaus Jensen break; 511188eea45cSKlaus Jensen case NVME_NUMBER_OF_QUEUES: 511288eea45cSKlaus Jensen result = (n->params.max_ioqpairs - 1) | 511388eea45cSKlaus Jensen ((n->params.max_ioqpairs - 1) << 16); 511488eea45cSKlaus Jensen trace_pci_nvme_getfeat_numq(result); 511588eea45cSKlaus Jensen break; 511688eea45cSKlaus Jensen case NVME_INTERRUPT_VECTOR_CONF: 511788eea45cSKlaus Jensen iv = dw11 & 0xffff; 511888eea45cSKlaus Jensen if (iv >= n->params.max_ioqpairs + 1) { 511988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 512088eea45cSKlaus Jensen } 512188eea45cSKlaus Jensen 512288eea45cSKlaus Jensen result = iv; 512388eea45cSKlaus Jensen if (iv == n->admin_cq.vector) { 512488eea45cSKlaus Jensen result |= NVME_INTVC_NOCOALESCING; 512588eea45cSKlaus Jensen } 512688eea45cSKlaus Jensen break; 512788eea45cSKlaus Jensen default: 512888eea45cSKlaus Jensen result = nvme_feature_default[fid]; 512988eea45cSKlaus Jensen break; 513088eea45cSKlaus Jensen } 513188eea45cSKlaus Jensen 513288eea45cSKlaus Jensen out: 513388eea45cSKlaus Jensen req->cqe.result = cpu_to_le32(result); 513488eea45cSKlaus Jensen return NVME_SUCCESS; 513588eea45cSKlaus Jensen } 513688eea45cSKlaus Jensen 513788eea45cSKlaus Jensen static uint16_t nvme_set_feature_timestamp(NvmeCtrl *n, NvmeRequest *req) 513888eea45cSKlaus Jensen { 513988eea45cSKlaus Jensen uint16_t ret; 514088eea45cSKlaus Jensen uint64_t timestamp; 514188eea45cSKlaus Jensen 514288eea45cSKlaus Jensen ret = nvme_h2c(n, (uint8_t *)×tamp, sizeof(timestamp), req); 514388eea45cSKlaus Jensen if (ret) { 514488eea45cSKlaus Jensen return ret; 514588eea45cSKlaus Jensen } 514688eea45cSKlaus Jensen 514788eea45cSKlaus Jensen nvme_set_timestamp(n, timestamp); 514888eea45cSKlaus Jensen 514988eea45cSKlaus Jensen return NVME_SUCCESS; 515088eea45cSKlaus Jensen } 515188eea45cSKlaus Jensen 515288eea45cSKlaus Jensen static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeRequest *req) 515388eea45cSKlaus Jensen { 515488eea45cSKlaus Jensen NvmeNamespace *ns = NULL; 515588eea45cSKlaus Jensen 515688eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 515788eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 515888eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 515988eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(cmd->nsid); 516088eea45cSKlaus Jensen uint8_t fid = NVME_GETSETFEAT_FID(dw10); 516188eea45cSKlaus Jensen uint8_t save = NVME_SETFEAT_SAVE(dw10); 516288eea45cSKlaus Jensen int i; 516388eea45cSKlaus Jensen 516488eea45cSKlaus Jensen trace_pci_nvme_setfeat(nvme_cid(req), nsid, fid, save, dw11); 516588eea45cSKlaus Jensen 516688eea45cSKlaus Jensen if (save && !(nvme_feature_cap[fid] & NVME_FEAT_CAP_SAVE)) { 516788eea45cSKlaus Jensen return NVME_FID_NOT_SAVEABLE | NVME_DNR; 516888eea45cSKlaus Jensen } 516988eea45cSKlaus Jensen 517088eea45cSKlaus Jensen if (!nvme_feature_support[fid]) { 517188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 517288eea45cSKlaus Jensen } 517388eea45cSKlaus Jensen 517488eea45cSKlaus Jensen if (nvme_feature_cap[fid] & NVME_FEAT_CAP_NS) { 517588eea45cSKlaus Jensen if (nsid != NVME_NSID_BROADCAST) { 517688eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 517788eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 517888eea45cSKlaus Jensen } 517988eea45cSKlaus Jensen 518088eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 518188eea45cSKlaus Jensen if (unlikely(!ns)) { 518288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 518388eea45cSKlaus Jensen } 518488eea45cSKlaus Jensen } 518588eea45cSKlaus Jensen } else if (nsid && nsid != NVME_NSID_BROADCAST) { 518688eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 518788eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 518888eea45cSKlaus Jensen } 518988eea45cSKlaus Jensen 519088eea45cSKlaus Jensen return NVME_FEAT_NOT_NS_SPEC | NVME_DNR; 519188eea45cSKlaus Jensen } 519288eea45cSKlaus Jensen 519388eea45cSKlaus Jensen if (!(nvme_feature_cap[fid] & NVME_FEAT_CAP_CHANGE)) { 519488eea45cSKlaus Jensen return NVME_FEAT_NOT_CHANGEABLE | NVME_DNR; 519588eea45cSKlaus Jensen } 519688eea45cSKlaus Jensen 519788eea45cSKlaus Jensen switch (fid) { 519888eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 519988eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 520088eea45cSKlaus Jensen break; 520188eea45cSKlaus Jensen } 520288eea45cSKlaus Jensen 520388eea45cSKlaus Jensen switch (NVME_TEMP_THSEL(dw11)) { 520488eea45cSKlaus Jensen case NVME_TEMP_THSEL_OVER: 520588eea45cSKlaus Jensen n->features.temp_thresh_hi = NVME_TEMP_TMPTH(dw11); 520688eea45cSKlaus Jensen break; 520788eea45cSKlaus Jensen case NVME_TEMP_THSEL_UNDER: 520888eea45cSKlaus Jensen n->features.temp_thresh_low = NVME_TEMP_TMPTH(dw11); 520988eea45cSKlaus Jensen break; 521088eea45cSKlaus Jensen default: 521188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 521288eea45cSKlaus Jensen } 521388eea45cSKlaus Jensen 521488eea45cSKlaus Jensen if ((n->temperature >= n->features.temp_thresh_hi) || 521588eea45cSKlaus Jensen (n->temperature <= n->features.temp_thresh_low)) { 521688eea45cSKlaus Jensen nvme_smart_event(n, NVME_AER_INFO_SMART_TEMP_THRESH); 521788eea45cSKlaus Jensen } 521888eea45cSKlaus Jensen 521988eea45cSKlaus Jensen break; 522088eea45cSKlaus Jensen case NVME_ERROR_RECOVERY: 522188eea45cSKlaus Jensen if (nsid == NVME_NSID_BROADCAST) { 522288eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 522388eea45cSKlaus Jensen ns = nvme_ns(n, i); 522488eea45cSKlaus Jensen 522588eea45cSKlaus Jensen if (!ns) { 522688eea45cSKlaus Jensen continue; 522788eea45cSKlaus Jensen } 522888eea45cSKlaus Jensen 522988eea45cSKlaus Jensen if (NVME_ID_NS_NSFEAT_DULBE(ns->id_ns.nsfeat)) { 523088eea45cSKlaus Jensen ns->features.err_rec = dw11; 523188eea45cSKlaus Jensen } 523288eea45cSKlaus Jensen } 523388eea45cSKlaus Jensen 523488eea45cSKlaus Jensen break; 523588eea45cSKlaus Jensen } 523688eea45cSKlaus Jensen 523788eea45cSKlaus Jensen assert(ns); 523888eea45cSKlaus Jensen if (NVME_ID_NS_NSFEAT_DULBE(ns->id_ns.nsfeat)) { 523988eea45cSKlaus Jensen ns->features.err_rec = dw11; 524088eea45cSKlaus Jensen } 524188eea45cSKlaus Jensen break; 524288eea45cSKlaus Jensen case NVME_VOLATILE_WRITE_CACHE: 524388eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 524488eea45cSKlaus Jensen ns = nvme_ns(n, i); 524588eea45cSKlaus Jensen if (!ns) { 524688eea45cSKlaus Jensen continue; 524788eea45cSKlaus Jensen } 524888eea45cSKlaus Jensen 524988eea45cSKlaus Jensen if (!(dw11 & 0x1) && blk_enable_write_cache(ns->blkconf.blk)) { 525088eea45cSKlaus Jensen blk_flush(ns->blkconf.blk); 525188eea45cSKlaus Jensen } 525288eea45cSKlaus Jensen 525388eea45cSKlaus Jensen blk_set_enable_write_cache(ns->blkconf.blk, dw11 & 1); 525488eea45cSKlaus Jensen } 525588eea45cSKlaus Jensen 525688eea45cSKlaus Jensen break; 525788eea45cSKlaus Jensen 525888eea45cSKlaus Jensen case NVME_NUMBER_OF_QUEUES: 525988eea45cSKlaus Jensen if (n->qs_created) { 526088eea45cSKlaus Jensen return NVME_CMD_SEQ_ERROR | NVME_DNR; 526188eea45cSKlaus Jensen } 526288eea45cSKlaus Jensen 526388eea45cSKlaus Jensen /* 526488eea45cSKlaus Jensen * NVMe v1.3, Section 5.21.1.7: FFFFh is not an allowed value for NCQR 526588eea45cSKlaus Jensen * and NSQR. 526688eea45cSKlaus Jensen */ 526788eea45cSKlaus Jensen if ((dw11 & 0xffff) == 0xffff || ((dw11 >> 16) & 0xffff) == 0xffff) { 526888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 526988eea45cSKlaus Jensen } 527088eea45cSKlaus Jensen 527188eea45cSKlaus Jensen trace_pci_nvme_setfeat_numq((dw11 & 0xffff) + 1, 527288eea45cSKlaus Jensen ((dw11 >> 16) & 0xffff) + 1, 527388eea45cSKlaus Jensen n->params.max_ioqpairs, 527488eea45cSKlaus Jensen n->params.max_ioqpairs); 527588eea45cSKlaus Jensen req->cqe.result = cpu_to_le32((n->params.max_ioqpairs - 1) | 527688eea45cSKlaus Jensen ((n->params.max_ioqpairs - 1) << 16)); 527788eea45cSKlaus Jensen break; 527888eea45cSKlaus Jensen case NVME_ASYNCHRONOUS_EVENT_CONF: 527988eea45cSKlaus Jensen n->features.async_config = dw11; 528088eea45cSKlaus Jensen break; 528188eea45cSKlaus Jensen case NVME_TIMESTAMP: 528288eea45cSKlaus Jensen return nvme_set_feature_timestamp(n, req); 528388eea45cSKlaus Jensen case NVME_COMMAND_SET_PROFILE: 528488eea45cSKlaus Jensen if (dw11 & 0x1ff) { 528588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_iocsci(dw11 & 0x1ff); 528688eea45cSKlaus Jensen return NVME_CMD_SET_CMB_REJECTED | NVME_DNR; 528788eea45cSKlaus Jensen } 528888eea45cSKlaus Jensen break; 528988eea45cSKlaus Jensen default: 529088eea45cSKlaus Jensen return NVME_FEAT_NOT_CHANGEABLE | NVME_DNR; 529188eea45cSKlaus Jensen } 529288eea45cSKlaus Jensen return NVME_SUCCESS; 529388eea45cSKlaus Jensen } 529488eea45cSKlaus Jensen 529588eea45cSKlaus Jensen static uint16_t nvme_aer(NvmeCtrl *n, NvmeRequest *req) 529688eea45cSKlaus Jensen { 529788eea45cSKlaus Jensen trace_pci_nvme_aer(nvme_cid(req)); 529888eea45cSKlaus Jensen 529988eea45cSKlaus Jensen if (n->outstanding_aers > n->params.aerl) { 530088eea45cSKlaus Jensen trace_pci_nvme_aer_aerl_exceeded(); 530188eea45cSKlaus Jensen return NVME_AER_LIMIT_EXCEEDED; 530288eea45cSKlaus Jensen } 530388eea45cSKlaus Jensen 530488eea45cSKlaus Jensen n->aer_reqs[n->outstanding_aers] = req; 530588eea45cSKlaus Jensen n->outstanding_aers++; 530688eea45cSKlaus Jensen 530788eea45cSKlaus Jensen if (!QTAILQ_EMPTY(&n->aer_queue)) { 530888eea45cSKlaus Jensen nvme_process_aers(n); 530988eea45cSKlaus Jensen } 531088eea45cSKlaus Jensen 531188eea45cSKlaus Jensen return NVME_NO_COMPLETE; 531288eea45cSKlaus Jensen } 531388eea45cSKlaus Jensen 531488eea45cSKlaus Jensen static void nvme_update_dmrsl(NvmeCtrl *n) 531588eea45cSKlaus Jensen { 531688eea45cSKlaus Jensen int nsid; 531788eea45cSKlaus Jensen 531888eea45cSKlaus Jensen for (nsid = 1; nsid <= NVME_MAX_NAMESPACES; nsid++) { 531988eea45cSKlaus Jensen NvmeNamespace *ns = nvme_ns(n, nsid); 532088eea45cSKlaus Jensen if (!ns) { 532188eea45cSKlaus Jensen continue; 532288eea45cSKlaus Jensen } 532388eea45cSKlaus Jensen 532488eea45cSKlaus Jensen n->dmrsl = MIN_NON_ZERO(n->dmrsl, 532588eea45cSKlaus Jensen BDRV_REQUEST_MAX_BYTES / nvme_l2b(ns, 1)); 532688eea45cSKlaus Jensen } 532788eea45cSKlaus Jensen } 532888eea45cSKlaus Jensen 532988eea45cSKlaus Jensen static void nvme_select_iocs_ns(NvmeCtrl *n, NvmeNamespace *ns) 533088eea45cSKlaus Jensen { 533149e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 533249e03457SKlaus Jensen 533388eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_none; 533488eea45cSKlaus Jensen switch (ns->csi) { 533588eea45cSKlaus Jensen case NVME_CSI_NVM: 533649e03457SKlaus Jensen if (NVME_CC_CSS(cc) != NVME_CC_CSS_ADMIN_ONLY) { 533788eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_nvm; 533888eea45cSKlaus Jensen } 533988eea45cSKlaus Jensen break; 534088eea45cSKlaus Jensen case NVME_CSI_ZONED: 534149e03457SKlaus Jensen if (NVME_CC_CSS(cc) == NVME_CC_CSS_CSI) { 534288eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_zoned; 534349e03457SKlaus Jensen } else if (NVME_CC_CSS(cc) == NVME_CC_CSS_NVM) { 534488eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_nvm; 534588eea45cSKlaus Jensen } 534688eea45cSKlaus Jensen break; 534788eea45cSKlaus Jensen } 534888eea45cSKlaus Jensen } 534988eea45cSKlaus Jensen 535088eea45cSKlaus Jensen static uint16_t nvme_ns_attachment(NvmeCtrl *n, NvmeRequest *req) 535188eea45cSKlaus Jensen { 535288eea45cSKlaus Jensen NvmeNamespace *ns; 535388eea45cSKlaus Jensen NvmeCtrl *ctrl; 535488eea45cSKlaus Jensen uint16_t list[NVME_CONTROLLER_LIST_SIZE] = {}; 535588eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 535688eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 535707a3dfa7SNaveen Nagar uint8_t sel = dw10 & 0xf; 535888eea45cSKlaus Jensen uint16_t *nr_ids = &list[0]; 535988eea45cSKlaus Jensen uint16_t *ids = &list[1]; 536088eea45cSKlaus Jensen uint16_t ret; 536188eea45cSKlaus Jensen int i; 536288eea45cSKlaus Jensen 536388eea45cSKlaus Jensen trace_pci_nvme_ns_attachment(nvme_cid(req), dw10 & 0xf); 536488eea45cSKlaus Jensen 536588eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 536688eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 536788eea45cSKlaus Jensen } 536888eea45cSKlaus Jensen 536988eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 537088eea45cSKlaus Jensen if (!ns) { 537188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 537288eea45cSKlaus Jensen } 537388eea45cSKlaus Jensen 537488eea45cSKlaus Jensen ret = nvme_h2c(n, (uint8_t *)list, 4096, req); 537588eea45cSKlaus Jensen if (ret) { 537688eea45cSKlaus Jensen return ret; 537788eea45cSKlaus Jensen } 537888eea45cSKlaus Jensen 537988eea45cSKlaus Jensen if (!*nr_ids) { 538088eea45cSKlaus Jensen return NVME_NS_CTRL_LIST_INVALID | NVME_DNR; 538188eea45cSKlaus Jensen } 538288eea45cSKlaus Jensen 538388eea45cSKlaus Jensen *nr_ids = MIN(*nr_ids, NVME_CONTROLLER_LIST_SIZE - 1); 538488eea45cSKlaus Jensen for (i = 0; i < *nr_ids; i++) { 538588eea45cSKlaus Jensen ctrl = nvme_subsys_ctrl(n->subsys, ids[i]); 538688eea45cSKlaus Jensen if (!ctrl) { 538788eea45cSKlaus Jensen return NVME_NS_CTRL_LIST_INVALID | NVME_DNR; 538888eea45cSKlaus Jensen } 538988eea45cSKlaus Jensen 539007a3dfa7SNaveen Nagar switch (sel) { 539107a3dfa7SNaveen Nagar case NVME_NS_ATTACHMENT_ATTACH: 539288eea45cSKlaus Jensen if (nvme_ns(ctrl, nsid)) { 539388eea45cSKlaus Jensen return NVME_NS_ALREADY_ATTACHED | NVME_DNR; 539488eea45cSKlaus Jensen } 539588eea45cSKlaus Jensen 539688eea45cSKlaus Jensen if (ns->attached && !ns->params.shared) { 539788eea45cSKlaus Jensen return NVME_NS_PRIVATE | NVME_DNR; 539888eea45cSKlaus Jensen } 539988eea45cSKlaus Jensen 540088eea45cSKlaus Jensen nvme_attach_ns(ctrl, ns); 540188eea45cSKlaus Jensen nvme_select_iocs_ns(ctrl, ns); 540207a3dfa7SNaveen Nagar 540307a3dfa7SNaveen Nagar break; 540407a3dfa7SNaveen Nagar 540507a3dfa7SNaveen Nagar case NVME_NS_ATTACHMENT_DETACH: 540688eea45cSKlaus Jensen if (!nvme_ns(ctrl, nsid)) { 540788eea45cSKlaus Jensen return NVME_NS_NOT_ATTACHED | NVME_DNR; 540888eea45cSKlaus Jensen } 540988eea45cSKlaus Jensen 541088eea45cSKlaus Jensen ctrl->namespaces[nsid] = NULL; 541188eea45cSKlaus Jensen ns->attached--; 541288eea45cSKlaus Jensen 541388eea45cSKlaus Jensen nvme_update_dmrsl(ctrl); 541407a3dfa7SNaveen Nagar 541507a3dfa7SNaveen Nagar break; 541607a3dfa7SNaveen Nagar 541707a3dfa7SNaveen Nagar default: 541807a3dfa7SNaveen Nagar return NVME_INVALID_FIELD | NVME_DNR; 541988eea45cSKlaus Jensen } 542088eea45cSKlaus Jensen 542188eea45cSKlaus Jensen /* 542288eea45cSKlaus Jensen * Add namespace id to the changed namespace id list for event clearing 542388eea45cSKlaus Jensen * via Get Log Page command. 542488eea45cSKlaus Jensen */ 542588eea45cSKlaus Jensen if (!test_and_set_bit(nsid, ctrl->changed_nsids)) { 542688eea45cSKlaus Jensen nvme_enqueue_event(ctrl, NVME_AER_TYPE_NOTICE, 542788eea45cSKlaus Jensen NVME_AER_INFO_NOTICE_NS_ATTR_CHANGED, 542888eea45cSKlaus Jensen NVME_LOG_CHANGED_NSLIST); 542988eea45cSKlaus Jensen } 543088eea45cSKlaus Jensen } 543188eea45cSKlaus Jensen 543288eea45cSKlaus Jensen return NVME_SUCCESS; 543388eea45cSKlaus Jensen } 543488eea45cSKlaus Jensen 54353bcf26d3SKlaus Jensen typedef struct NvmeFormatAIOCB { 54363bcf26d3SKlaus Jensen BlockAIOCB common; 54373bcf26d3SKlaus Jensen BlockAIOCB *aiocb; 54383bcf26d3SKlaus Jensen QEMUBH *bh; 54393bcf26d3SKlaus Jensen NvmeRequest *req; 54403bcf26d3SKlaus Jensen int ret; 544188eea45cSKlaus Jensen 54423bcf26d3SKlaus Jensen NvmeNamespace *ns; 54433bcf26d3SKlaus Jensen uint32_t nsid; 54443bcf26d3SKlaus Jensen bool broadcast; 54453bcf26d3SKlaus Jensen int64_t offset; 54463bcf26d3SKlaus Jensen } NvmeFormatAIOCB; 54473bcf26d3SKlaus Jensen 54483bcf26d3SKlaus Jensen static void nvme_format_bh(void *opaque); 54493bcf26d3SKlaus Jensen 54503bcf26d3SKlaus Jensen static void nvme_format_cancel(BlockAIOCB *aiocb) 54513bcf26d3SKlaus Jensen { 54523bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = container_of(aiocb, NvmeFormatAIOCB, common); 54533bcf26d3SKlaus Jensen 54543bcf26d3SKlaus Jensen if (iocb->aiocb) { 54553bcf26d3SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 54563bcf26d3SKlaus Jensen } 54573bcf26d3SKlaus Jensen } 54583bcf26d3SKlaus Jensen 54593bcf26d3SKlaus Jensen static const AIOCBInfo nvme_format_aiocb_info = { 54603bcf26d3SKlaus Jensen .aiocb_size = sizeof(NvmeFormatAIOCB), 54613bcf26d3SKlaus Jensen .cancel_async = nvme_format_cancel, 54623bcf26d3SKlaus Jensen .get_aio_context = nvme_get_aio_context, 54633bcf26d3SKlaus Jensen }; 54643bcf26d3SKlaus Jensen 54653bcf26d3SKlaus Jensen static void nvme_format_set(NvmeNamespace *ns, NvmeCmd *cmd) 54663bcf26d3SKlaus Jensen { 54673bcf26d3SKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 54683bcf26d3SKlaus Jensen uint8_t lbaf = dw10 & 0xf; 54693bcf26d3SKlaus Jensen uint8_t pi = (dw10 >> 5) & 0x7; 54703bcf26d3SKlaus Jensen uint8_t mset = (dw10 >> 4) & 0x1; 54713bcf26d3SKlaus Jensen uint8_t pil = (dw10 >> 8) & 0x1; 54723bcf26d3SKlaus Jensen 54733bcf26d3SKlaus Jensen trace_pci_nvme_format_set(ns->params.nsid, lbaf, mset, pi, pil); 54743bcf26d3SKlaus Jensen 54753bcf26d3SKlaus Jensen ns->id_ns.dps = (pil << 3) | pi; 54763bcf26d3SKlaus Jensen ns->id_ns.flbas = lbaf | (mset << 4); 54773bcf26d3SKlaus Jensen 54783bcf26d3SKlaus Jensen nvme_ns_init_format(ns); 54793bcf26d3SKlaus Jensen } 54803bcf26d3SKlaus Jensen 54813bcf26d3SKlaus Jensen static void nvme_format_ns_cb(void *opaque, int ret) 54823bcf26d3SKlaus Jensen { 54833bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = opaque; 54843bcf26d3SKlaus Jensen NvmeRequest *req = iocb->req; 54853bcf26d3SKlaus Jensen NvmeNamespace *ns = iocb->ns; 54863bcf26d3SKlaus Jensen int bytes; 54873bcf26d3SKlaus Jensen 54883bcf26d3SKlaus Jensen if (ret < 0) { 54893bcf26d3SKlaus Jensen iocb->ret = ret; 54903bcf26d3SKlaus Jensen goto done; 54913bcf26d3SKlaus Jensen } 54923bcf26d3SKlaus Jensen 54933bcf26d3SKlaus Jensen assert(ns); 54943bcf26d3SKlaus Jensen 54953bcf26d3SKlaus Jensen if (iocb->offset < ns->size) { 54963bcf26d3SKlaus Jensen bytes = MIN(BDRV_REQUEST_MAX_BYTES, ns->size - iocb->offset); 54973bcf26d3SKlaus Jensen 54983bcf26d3SKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, iocb->offset, 54993bcf26d3SKlaus Jensen bytes, BDRV_REQ_MAY_UNMAP, 55003bcf26d3SKlaus Jensen nvme_format_ns_cb, iocb); 55013bcf26d3SKlaus Jensen 55023bcf26d3SKlaus Jensen iocb->offset += bytes; 55033bcf26d3SKlaus Jensen return; 55043bcf26d3SKlaus Jensen } 55053bcf26d3SKlaus Jensen 55063bcf26d3SKlaus Jensen nvme_format_set(ns, &req->cmd); 55073bcf26d3SKlaus Jensen ns->status = 0x0; 55083bcf26d3SKlaus Jensen iocb->ns = NULL; 55093bcf26d3SKlaus Jensen iocb->offset = 0; 55103bcf26d3SKlaus Jensen 55113bcf26d3SKlaus Jensen done: 55123bcf26d3SKlaus Jensen iocb->aiocb = NULL; 55133bcf26d3SKlaus Jensen qemu_bh_schedule(iocb->bh); 55143bcf26d3SKlaus Jensen } 55153bcf26d3SKlaus Jensen 55163bcf26d3SKlaus Jensen static uint16_t nvme_format_check(NvmeNamespace *ns, uint8_t lbaf, uint8_t pi) 55173bcf26d3SKlaus Jensen { 551888eea45cSKlaus Jensen if (ns->params.zoned) { 551988eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 552088eea45cSKlaus Jensen } 552188eea45cSKlaus Jensen 552288eea45cSKlaus Jensen if (lbaf > ns->id_ns.nlbaf) { 552388eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 552488eea45cSKlaus Jensen } 552588eea45cSKlaus Jensen 55263bcf26d3SKlaus Jensen if (pi && (ns->id_ns.lbaf[lbaf].ms < sizeof(NvmeDifTuple))) { 552788eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 552888eea45cSKlaus Jensen } 552988eea45cSKlaus Jensen 553088eea45cSKlaus Jensen if (pi && pi > NVME_ID_NS_DPS_TYPE_3) { 553188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 553288eea45cSKlaus Jensen } 553388eea45cSKlaus Jensen 553488eea45cSKlaus Jensen return NVME_SUCCESS; 553588eea45cSKlaus Jensen } 553688eea45cSKlaus Jensen 55373bcf26d3SKlaus Jensen static void nvme_format_bh(void *opaque) 553888eea45cSKlaus Jensen { 55393bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = opaque; 55403bcf26d3SKlaus Jensen NvmeRequest *req = iocb->req; 55413bcf26d3SKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 554288eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 554388eea45cSKlaus Jensen uint8_t lbaf = dw10 & 0xf; 554488eea45cSKlaus Jensen uint8_t pi = (dw10 >> 5) & 0x7; 554588eea45cSKlaus Jensen uint16_t status; 554688eea45cSKlaus Jensen int i; 554788eea45cSKlaus Jensen 55483bcf26d3SKlaus Jensen if (iocb->ret < 0) { 55493bcf26d3SKlaus Jensen goto done; 555088eea45cSKlaus Jensen } 555188eea45cSKlaus Jensen 55523bcf26d3SKlaus Jensen if (iocb->broadcast) { 55533bcf26d3SKlaus Jensen for (i = iocb->nsid + 1; i <= NVME_MAX_NAMESPACES; i++) { 55543bcf26d3SKlaus Jensen iocb->ns = nvme_ns(n, i); 55553bcf26d3SKlaus Jensen if (iocb->ns) { 55563bcf26d3SKlaus Jensen iocb->nsid = i; 555788eea45cSKlaus Jensen break; 555888eea45cSKlaus Jensen } 555988eea45cSKlaus Jensen } 556088eea45cSKlaus Jensen } 556188eea45cSKlaus Jensen 55623bcf26d3SKlaus Jensen if (!iocb->ns) { 55633bcf26d3SKlaus Jensen goto done; 556488eea45cSKlaus Jensen } 556588eea45cSKlaus Jensen 55663bcf26d3SKlaus Jensen status = nvme_format_check(iocb->ns, lbaf, pi); 55673bcf26d3SKlaus Jensen if (status) { 55683bcf26d3SKlaus Jensen req->status = status; 55693bcf26d3SKlaus Jensen goto done; 55703bcf26d3SKlaus Jensen } 55713bcf26d3SKlaus Jensen 55723bcf26d3SKlaus Jensen iocb->ns->status = NVME_FORMAT_IN_PROGRESS; 55733bcf26d3SKlaus Jensen nvme_format_ns_cb(iocb, 0); 55743bcf26d3SKlaus Jensen return; 55753bcf26d3SKlaus Jensen 55763bcf26d3SKlaus Jensen done: 55773bcf26d3SKlaus Jensen qemu_bh_delete(iocb->bh); 55783bcf26d3SKlaus Jensen iocb->bh = NULL; 55793bcf26d3SKlaus Jensen 55803bcf26d3SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 55813bcf26d3SKlaus Jensen 55823bcf26d3SKlaus Jensen qemu_aio_unref(iocb); 55833bcf26d3SKlaus Jensen } 55843bcf26d3SKlaus Jensen 55853bcf26d3SKlaus Jensen static uint16_t nvme_format(NvmeCtrl *n, NvmeRequest *req) 55863bcf26d3SKlaus Jensen { 55873bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb; 55883bcf26d3SKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 55893bcf26d3SKlaus Jensen uint16_t status; 55903bcf26d3SKlaus Jensen 55913bcf26d3SKlaus Jensen iocb = qemu_aio_get(&nvme_format_aiocb_info, NULL, nvme_misc_cb, req); 55923bcf26d3SKlaus Jensen 55933bcf26d3SKlaus Jensen iocb->req = req; 55943bcf26d3SKlaus Jensen iocb->bh = qemu_bh_new(nvme_format_bh, iocb); 55953bcf26d3SKlaus Jensen iocb->ret = 0; 55963bcf26d3SKlaus Jensen iocb->ns = NULL; 55973bcf26d3SKlaus Jensen iocb->nsid = 0; 55983bcf26d3SKlaus Jensen iocb->broadcast = (nsid == NVME_NSID_BROADCAST); 55993bcf26d3SKlaus Jensen iocb->offset = 0; 56003bcf26d3SKlaus Jensen 56013bcf26d3SKlaus Jensen if (!iocb->broadcast) { 56023bcf26d3SKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 56033bcf26d3SKlaus Jensen status = NVME_INVALID_NSID | NVME_DNR; 56043bcf26d3SKlaus Jensen goto out; 56053bcf26d3SKlaus Jensen } 56063bcf26d3SKlaus Jensen 56073bcf26d3SKlaus Jensen iocb->ns = nvme_ns(n, nsid); 56083bcf26d3SKlaus Jensen if (!iocb->ns) { 56093bcf26d3SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 56103bcf26d3SKlaus Jensen goto out; 56113bcf26d3SKlaus Jensen } 56123bcf26d3SKlaus Jensen } 56133bcf26d3SKlaus Jensen 56143bcf26d3SKlaus Jensen req->aiocb = &iocb->common; 56153bcf26d3SKlaus Jensen qemu_bh_schedule(iocb->bh); 56163bcf26d3SKlaus Jensen 56173bcf26d3SKlaus Jensen return NVME_NO_COMPLETE; 56183bcf26d3SKlaus Jensen 56193bcf26d3SKlaus Jensen out: 56203bcf26d3SKlaus Jensen qemu_bh_delete(iocb->bh); 56213bcf26d3SKlaus Jensen iocb->bh = NULL; 56223bcf26d3SKlaus Jensen qemu_aio_unref(iocb); 56233bcf26d3SKlaus Jensen return status; 562488eea45cSKlaus Jensen } 562588eea45cSKlaus Jensen 562688eea45cSKlaus Jensen static uint16_t nvme_admin_cmd(NvmeCtrl *n, NvmeRequest *req) 562788eea45cSKlaus Jensen { 562888eea45cSKlaus Jensen trace_pci_nvme_admin_cmd(nvme_cid(req), nvme_sqid(req), req->cmd.opcode, 562988eea45cSKlaus Jensen nvme_adm_opc_str(req->cmd.opcode)); 563088eea45cSKlaus Jensen 563188eea45cSKlaus Jensen if (!(nvme_cse_acs[req->cmd.opcode] & NVME_CMD_EFF_CSUPP)) { 563288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_admin_opc(req->cmd.opcode); 563388eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 563488eea45cSKlaus Jensen } 563588eea45cSKlaus Jensen 563688eea45cSKlaus Jensen /* SGLs shall not be used for Admin commands in NVMe over PCIe */ 563788eea45cSKlaus Jensen if (NVME_CMD_FLAGS_PSDT(req->cmd.flags) != NVME_PSDT_PRP) { 563888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 563988eea45cSKlaus Jensen } 564088eea45cSKlaus Jensen 5641c53a9a91SPankaj Raghav if (NVME_CMD_FLAGS_FUSE(req->cmd.flags)) { 5642c53a9a91SPankaj Raghav return NVME_INVALID_FIELD; 5643c53a9a91SPankaj Raghav } 5644c53a9a91SPankaj Raghav 564588eea45cSKlaus Jensen switch (req->cmd.opcode) { 564688eea45cSKlaus Jensen case NVME_ADM_CMD_DELETE_SQ: 564788eea45cSKlaus Jensen return nvme_del_sq(n, req); 564888eea45cSKlaus Jensen case NVME_ADM_CMD_CREATE_SQ: 564988eea45cSKlaus Jensen return nvme_create_sq(n, req); 565088eea45cSKlaus Jensen case NVME_ADM_CMD_GET_LOG_PAGE: 565188eea45cSKlaus Jensen return nvme_get_log(n, req); 565288eea45cSKlaus Jensen case NVME_ADM_CMD_DELETE_CQ: 565388eea45cSKlaus Jensen return nvme_del_cq(n, req); 565488eea45cSKlaus Jensen case NVME_ADM_CMD_CREATE_CQ: 565588eea45cSKlaus Jensen return nvme_create_cq(n, req); 565688eea45cSKlaus Jensen case NVME_ADM_CMD_IDENTIFY: 565788eea45cSKlaus Jensen return nvme_identify(n, req); 565888eea45cSKlaus Jensen case NVME_ADM_CMD_ABORT: 565988eea45cSKlaus Jensen return nvme_abort(n, req); 566088eea45cSKlaus Jensen case NVME_ADM_CMD_SET_FEATURES: 566188eea45cSKlaus Jensen return nvme_set_feature(n, req); 566288eea45cSKlaus Jensen case NVME_ADM_CMD_GET_FEATURES: 566388eea45cSKlaus Jensen return nvme_get_feature(n, req); 566488eea45cSKlaus Jensen case NVME_ADM_CMD_ASYNC_EV_REQ: 566588eea45cSKlaus Jensen return nvme_aer(n, req); 566688eea45cSKlaus Jensen case NVME_ADM_CMD_NS_ATTACHMENT: 566788eea45cSKlaus Jensen return nvme_ns_attachment(n, req); 566888eea45cSKlaus Jensen case NVME_ADM_CMD_FORMAT_NVM: 566988eea45cSKlaus Jensen return nvme_format(n, req); 567088eea45cSKlaus Jensen default: 567188eea45cSKlaus Jensen assert(false); 567288eea45cSKlaus Jensen } 567388eea45cSKlaus Jensen 567488eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 567588eea45cSKlaus Jensen } 567688eea45cSKlaus Jensen 567788eea45cSKlaus Jensen static void nvme_process_sq(void *opaque) 567888eea45cSKlaus Jensen { 567988eea45cSKlaus Jensen NvmeSQueue *sq = opaque; 568088eea45cSKlaus Jensen NvmeCtrl *n = sq->ctrl; 568188eea45cSKlaus Jensen NvmeCQueue *cq = n->cq[sq->cqid]; 568288eea45cSKlaus Jensen 568388eea45cSKlaus Jensen uint16_t status; 568488eea45cSKlaus Jensen hwaddr addr; 568588eea45cSKlaus Jensen NvmeCmd cmd; 568688eea45cSKlaus Jensen NvmeRequest *req; 568788eea45cSKlaus Jensen 568888eea45cSKlaus Jensen while (!(nvme_sq_empty(sq) || QTAILQ_EMPTY(&sq->req_list))) { 568988eea45cSKlaus Jensen addr = sq->dma_addr + sq->head * n->sqe_size; 569088eea45cSKlaus Jensen if (nvme_addr_read(n, addr, (void *)&cmd, sizeof(cmd))) { 569188eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 569288eea45cSKlaus Jensen trace_pci_nvme_err_cfs(); 569349e03457SKlaus Jensen stl_le_p(&n->bar.csts, NVME_CSTS_FAILED); 569488eea45cSKlaus Jensen break; 569588eea45cSKlaus Jensen } 569688eea45cSKlaus Jensen nvme_inc_sq_head(sq); 569788eea45cSKlaus Jensen 569888eea45cSKlaus Jensen req = QTAILQ_FIRST(&sq->req_list); 569988eea45cSKlaus Jensen QTAILQ_REMOVE(&sq->req_list, req, entry); 570088eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->out_req_list, req, entry); 570188eea45cSKlaus Jensen nvme_req_clear(req); 570288eea45cSKlaus Jensen req->cqe.cid = cmd.cid; 570388eea45cSKlaus Jensen memcpy(&req->cmd, &cmd, sizeof(NvmeCmd)); 570488eea45cSKlaus Jensen 570588eea45cSKlaus Jensen status = sq->sqid ? nvme_io_cmd(n, req) : 570688eea45cSKlaus Jensen nvme_admin_cmd(n, req); 570788eea45cSKlaus Jensen if (status != NVME_NO_COMPLETE) { 570888eea45cSKlaus Jensen req->status = status; 570988eea45cSKlaus Jensen nvme_enqueue_req_completion(cq, req); 571088eea45cSKlaus Jensen } 571188eea45cSKlaus Jensen } 571288eea45cSKlaus Jensen } 571388eea45cSKlaus Jensen 571488eea45cSKlaus Jensen static void nvme_ctrl_reset(NvmeCtrl *n) 571588eea45cSKlaus Jensen { 571688eea45cSKlaus Jensen NvmeNamespace *ns; 571788eea45cSKlaus Jensen int i; 571888eea45cSKlaus Jensen 571988eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 572088eea45cSKlaus Jensen ns = nvme_ns(n, i); 572188eea45cSKlaus Jensen if (!ns) { 572288eea45cSKlaus Jensen continue; 572388eea45cSKlaus Jensen } 572488eea45cSKlaus Jensen 572588eea45cSKlaus Jensen nvme_ns_drain(ns); 572688eea45cSKlaus Jensen } 572788eea45cSKlaus Jensen 572888eea45cSKlaus Jensen for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 572988eea45cSKlaus Jensen if (n->sq[i] != NULL) { 573088eea45cSKlaus Jensen nvme_free_sq(n->sq[i], n); 573188eea45cSKlaus Jensen } 573288eea45cSKlaus Jensen } 573388eea45cSKlaus Jensen for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 573488eea45cSKlaus Jensen if (n->cq[i] != NULL) { 573588eea45cSKlaus Jensen nvme_free_cq(n->cq[i], n); 573688eea45cSKlaus Jensen } 573788eea45cSKlaus Jensen } 573888eea45cSKlaus Jensen 573988eea45cSKlaus Jensen while (!QTAILQ_EMPTY(&n->aer_queue)) { 574088eea45cSKlaus Jensen NvmeAsyncEvent *event = QTAILQ_FIRST(&n->aer_queue); 574188eea45cSKlaus Jensen QTAILQ_REMOVE(&n->aer_queue, event, entry); 574288eea45cSKlaus Jensen g_free(event); 574388eea45cSKlaus Jensen } 574488eea45cSKlaus Jensen 574588eea45cSKlaus Jensen n->aer_queued = 0; 574688eea45cSKlaus Jensen n->outstanding_aers = 0; 574788eea45cSKlaus Jensen n->qs_created = false; 574888eea45cSKlaus Jensen } 574988eea45cSKlaus Jensen 575088eea45cSKlaus Jensen static void nvme_ctrl_shutdown(NvmeCtrl *n) 575188eea45cSKlaus Jensen { 575288eea45cSKlaus Jensen NvmeNamespace *ns; 575388eea45cSKlaus Jensen int i; 575488eea45cSKlaus Jensen 575588eea45cSKlaus Jensen if (n->pmr.dev) { 575688eea45cSKlaus Jensen memory_region_msync(&n->pmr.dev->mr, 0, n->pmr.dev->size); 575788eea45cSKlaus Jensen } 575888eea45cSKlaus Jensen 575988eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 576088eea45cSKlaus Jensen ns = nvme_ns(n, i); 576188eea45cSKlaus Jensen if (!ns) { 576288eea45cSKlaus Jensen continue; 576388eea45cSKlaus Jensen } 576488eea45cSKlaus Jensen 576588eea45cSKlaus Jensen nvme_ns_shutdown(ns); 576688eea45cSKlaus Jensen } 576788eea45cSKlaus Jensen } 576888eea45cSKlaus Jensen 576988eea45cSKlaus Jensen static void nvme_select_iocs(NvmeCtrl *n) 577088eea45cSKlaus Jensen { 577188eea45cSKlaus Jensen NvmeNamespace *ns; 577288eea45cSKlaus Jensen int i; 577388eea45cSKlaus Jensen 577488eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 577588eea45cSKlaus Jensen ns = nvme_ns(n, i); 577688eea45cSKlaus Jensen if (!ns) { 577788eea45cSKlaus Jensen continue; 577888eea45cSKlaus Jensen } 577988eea45cSKlaus Jensen 578088eea45cSKlaus Jensen nvme_select_iocs_ns(n, ns); 578188eea45cSKlaus Jensen } 578288eea45cSKlaus Jensen } 578388eea45cSKlaus Jensen 578488eea45cSKlaus Jensen static int nvme_start_ctrl(NvmeCtrl *n) 578588eea45cSKlaus Jensen { 578649e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 578749e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 578849e03457SKlaus Jensen uint32_t aqa = ldl_le_p(&n->bar.aqa); 578949e03457SKlaus Jensen uint64_t asq = ldq_le_p(&n->bar.asq); 579049e03457SKlaus Jensen uint64_t acq = ldq_le_p(&n->bar.acq); 579149e03457SKlaus Jensen uint32_t page_bits = NVME_CC_MPS(cc) + 12; 579288eea45cSKlaus Jensen uint32_t page_size = 1 << page_bits; 579388eea45cSKlaus Jensen 579488eea45cSKlaus Jensen if (unlikely(n->cq[0])) { 579588eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cq(); 579688eea45cSKlaus Jensen return -1; 579788eea45cSKlaus Jensen } 579888eea45cSKlaus Jensen if (unlikely(n->sq[0])) { 579988eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sq(); 580088eea45cSKlaus Jensen return -1; 580188eea45cSKlaus Jensen } 580249e03457SKlaus Jensen if (unlikely(asq & (page_size - 1))) { 580349e03457SKlaus Jensen trace_pci_nvme_err_startfail_asq_misaligned(asq); 580488eea45cSKlaus Jensen return -1; 580588eea45cSKlaus Jensen } 580649e03457SKlaus Jensen if (unlikely(acq & (page_size - 1))) { 580749e03457SKlaus Jensen trace_pci_nvme_err_startfail_acq_misaligned(acq); 580888eea45cSKlaus Jensen return -1; 580988eea45cSKlaus Jensen } 581049e03457SKlaus Jensen if (unlikely(!(NVME_CAP_CSS(cap) & (1 << NVME_CC_CSS(cc))))) { 581149e03457SKlaus Jensen trace_pci_nvme_err_startfail_css(NVME_CC_CSS(cc)); 581288eea45cSKlaus Jensen return -1; 581388eea45cSKlaus Jensen } 581449e03457SKlaus Jensen if (unlikely(NVME_CC_MPS(cc) < NVME_CAP_MPSMIN(cap))) { 581588eea45cSKlaus Jensen trace_pci_nvme_err_startfail_page_too_small( 581649e03457SKlaus Jensen NVME_CC_MPS(cc), 581749e03457SKlaus Jensen NVME_CAP_MPSMIN(cap)); 581888eea45cSKlaus Jensen return -1; 581988eea45cSKlaus Jensen } 582049e03457SKlaus Jensen if (unlikely(NVME_CC_MPS(cc) > 582149e03457SKlaus Jensen NVME_CAP_MPSMAX(cap))) { 582288eea45cSKlaus Jensen trace_pci_nvme_err_startfail_page_too_large( 582349e03457SKlaus Jensen NVME_CC_MPS(cc), 582449e03457SKlaus Jensen NVME_CAP_MPSMAX(cap)); 582588eea45cSKlaus Jensen return -1; 582688eea45cSKlaus Jensen } 582749e03457SKlaus Jensen if (unlikely(NVME_CC_IOCQES(cc) < 582888eea45cSKlaus Jensen NVME_CTRL_CQES_MIN(n->id_ctrl.cqes))) { 582988eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cqent_too_small( 583049e03457SKlaus Jensen NVME_CC_IOCQES(cc), 583149e03457SKlaus Jensen NVME_CTRL_CQES_MIN(cap)); 583288eea45cSKlaus Jensen return -1; 583388eea45cSKlaus Jensen } 583449e03457SKlaus Jensen if (unlikely(NVME_CC_IOCQES(cc) > 583588eea45cSKlaus Jensen NVME_CTRL_CQES_MAX(n->id_ctrl.cqes))) { 583688eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cqent_too_large( 583749e03457SKlaus Jensen NVME_CC_IOCQES(cc), 583849e03457SKlaus Jensen NVME_CTRL_CQES_MAX(cap)); 583988eea45cSKlaus Jensen return -1; 584088eea45cSKlaus Jensen } 584149e03457SKlaus Jensen if (unlikely(NVME_CC_IOSQES(cc) < 584288eea45cSKlaus Jensen NVME_CTRL_SQES_MIN(n->id_ctrl.sqes))) { 584388eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sqent_too_small( 584449e03457SKlaus Jensen NVME_CC_IOSQES(cc), 584549e03457SKlaus Jensen NVME_CTRL_SQES_MIN(cap)); 584688eea45cSKlaus Jensen return -1; 584788eea45cSKlaus Jensen } 584849e03457SKlaus Jensen if (unlikely(NVME_CC_IOSQES(cc) > 584988eea45cSKlaus Jensen NVME_CTRL_SQES_MAX(n->id_ctrl.sqes))) { 585088eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sqent_too_large( 585149e03457SKlaus Jensen NVME_CC_IOSQES(cc), 585249e03457SKlaus Jensen NVME_CTRL_SQES_MAX(cap)); 585388eea45cSKlaus Jensen return -1; 585488eea45cSKlaus Jensen } 585549e03457SKlaus Jensen if (unlikely(!NVME_AQA_ASQS(aqa))) { 585688eea45cSKlaus Jensen trace_pci_nvme_err_startfail_asqent_sz_zero(); 585788eea45cSKlaus Jensen return -1; 585888eea45cSKlaus Jensen } 585949e03457SKlaus Jensen if (unlikely(!NVME_AQA_ACQS(aqa))) { 586088eea45cSKlaus Jensen trace_pci_nvme_err_startfail_acqent_sz_zero(); 586188eea45cSKlaus Jensen return -1; 586288eea45cSKlaus Jensen } 586388eea45cSKlaus Jensen 586488eea45cSKlaus Jensen n->page_bits = page_bits; 586588eea45cSKlaus Jensen n->page_size = page_size; 586688eea45cSKlaus Jensen n->max_prp_ents = n->page_size / sizeof(uint64_t); 586749e03457SKlaus Jensen n->cqe_size = 1 << NVME_CC_IOCQES(cc); 586849e03457SKlaus Jensen n->sqe_size = 1 << NVME_CC_IOSQES(cc); 586949e03457SKlaus Jensen nvme_init_cq(&n->admin_cq, n, acq, 0, 0, NVME_AQA_ACQS(aqa) + 1, 1); 587049e03457SKlaus Jensen nvme_init_sq(&n->admin_sq, n, asq, 0, 0, NVME_AQA_ASQS(aqa) + 1); 587188eea45cSKlaus Jensen 587288eea45cSKlaus Jensen nvme_set_timestamp(n, 0ULL); 587388eea45cSKlaus Jensen 587488eea45cSKlaus Jensen QTAILQ_INIT(&n->aer_queue); 587588eea45cSKlaus Jensen 587688eea45cSKlaus Jensen nvme_select_iocs(n); 587788eea45cSKlaus Jensen 587888eea45cSKlaus Jensen return 0; 587988eea45cSKlaus Jensen } 588088eea45cSKlaus Jensen 588188eea45cSKlaus Jensen static void nvme_cmb_enable_regs(NvmeCtrl *n) 588288eea45cSKlaus Jensen { 588349e03457SKlaus Jensen uint32_t cmbloc = ldl_le_p(&n->bar.cmbloc); 588449e03457SKlaus Jensen uint32_t cmbsz = ldl_le_p(&n->bar.cmbsz); 588588eea45cSKlaus Jensen 588649e03457SKlaus Jensen NVME_CMBLOC_SET_CDPCILS(cmbloc, 1); 588749e03457SKlaus Jensen NVME_CMBLOC_SET_CDPMLS(cmbloc, 1); 588849e03457SKlaus Jensen NVME_CMBLOC_SET_BIR(cmbloc, NVME_CMB_BIR); 588949e03457SKlaus Jensen stl_le_p(&n->bar.cmbloc, cmbloc); 589049e03457SKlaus Jensen 589149e03457SKlaus Jensen NVME_CMBSZ_SET_SQS(cmbsz, 1); 589249e03457SKlaus Jensen NVME_CMBSZ_SET_CQS(cmbsz, 0); 589349e03457SKlaus Jensen NVME_CMBSZ_SET_LISTS(cmbsz, 1); 589449e03457SKlaus Jensen NVME_CMBSZ_SET_RDS(cmbsz, 1); 589549e03457SKlaus Jensen NVME_CMBSZ_SET_WDS(cmbsz, 1); 589649e03457SKlaus Jensen NVME_CMBSZ_SET_SZU(cmbsz, 2); /* MBs */ 589749e03457SKlaus Jensen NVME_CMBSZ_SET_SZ(cmbsz, n->params.cmb_size_mb); 589849e03457SKlaus Jensen stl_le_p(&n->bar.cmbsz, cmbsz); 589988eea45cSKlaus Jensen } 590088eea45cSKlaus Jensen 590188eea45cSKlaus Jensen static void nvme_write_bar(NvmeCtrl *n, hwaddr offset, uint64_t data, 590288eea45cSKlaus Jensen unsigned size) 590388eea45cSKlaus Jensen { 590449e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 590549e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 590649e03457SKlaus Jensen uint32_t intms = ldl_le_p(&n->bar.intms); 590749e03457SKlaus Jensen uint32_t csts = ldl_le_p(&n->bar.csts); 590849e03457SKlaus Jensen uint32_t pmrsts = ldl_le_p(&n->bar.pmrsts); 590949e03457SKlaus Jensen 591088eea45cSKlaus Jensen if (unlikely(offset & (sizeof(uint32_t) - 1))) { 591188eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_misaligned32, 591288eea45cSKlaus Jensen "MMIO write not 32-bit aligned," 591388eea45cSKlaus Jensen " offset=0x%"PRIx64"", offset); 591488eea45cSKlaus Jensen /* should be ignored, fall through for now */ 591588eea45cSKlaus Jensen } 591688eea45cSKlaus Jensen 591788eea45cSKlaus Jensen if (unlikely(size < sizeof(uint32_t))) { 591888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_toosmall, 591988eea45cSKlaus Jensen "MMIO write smaller than 32-bits," 592088eea45cSKlaus Jensen " offset=0x%"PRIx64", size=%u", 592188eea45cSKlaus Jensen offset, size); 592288eea45cSKlaus Jensen /* should be ignored, fall through for now */ 592388eea45cSKlaus Jensen } 592488eea45cSKlaus Jensen 592588eea45cSKlaus Jensen switch (offset) { 5926a316aa50SKlaus Jensen case NVME_REG_INTMS: 592788eea45cSKlaus Jensen if (unlikely(msix_enabled(&(n->parent_obj)))) { 592888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_intmask_with_msix, 592988eea45cSKlaus Jensen "undefined access to interrupt mask set" 593088eea45cSKlaus Jensen " when MSI-X is enabled"); 593188eea45cSKlaus Jensen /* should be ignored, fall through for now */ 593288eea45cSKlaus Jensen } 593349e03457SKlaus Jensen intms |= data; 593449e03457SKlaus Jensen stl_le_p(&n->bar.intms, intms); 593588eea45cSKlaus Jensen n->bar.intmc = n->bar.intms; 593649e03457SKlaus Jensen trace_pci_nvme_mmio_intm_set(data & 0xffffffff, intms); 593788eea45cSKlaus Jensen nvme_irq_check(n); 593888eea45cSKlaus Jensen break; 5939a316aa50SKlaus Jensen case NVME_REG_INTMC: 594088eea45cSKlaus Jensen if (unlikely(msix_enabled(&(n->parent_obj)))) { 594188eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_intmask_with_msix, 594288eea45cSKlaus Jensen "undefined access to interrupt mask clr" 594388eea45cSKlaus Jensen " when MSI-X is enabled"); 594488eea45cSKlaus Jensen /* should be ignored, fall through for now */ 594588eea45cSKlaus Jensen } 594649e03457SKlaus Jensen intms &= ~data; 594749e03457SKlaus Jensen stl_le_p(&n->bar.intms, intms); 594888eea45cSKlaus Jensen n->bar.intmc = n->bar.intms; 594949e03457SKlaus Jensen trace_pci_nvme_mmio_intm_clr(data & 0xffffffff, intms); 595088eea45cSKlaus Jensen nvme_irq_check(n); 595188eea45cSKlaus Jensen break; 5952a316aa50SKlaus Jensen case NVME_REG_CC: 595388eea45cSKlaus Jensen trace_pci_nvme_mmio_cfg(data & 0xffffffff); 595449e03457SKlaus Jensen 595588eea45cSKlaus Jensen /* Windows first sends data, then sends enable bit */ 595649e03457SKlaus Jensen if (!NVME_CC_EN(data) && !NVME_CC_EN(cc) && 595749e03457SKlaus Jensen !NVME_CC_SHN(data) && !NVME_CC_SHN(cc)) 595888eea45cSKlaus Jensen { 595949e03457SKlaus Jensen cc = data; 596088eea45cSKlaus Jensen } 596188eea45cSKlaus Jensen 596249e03457SKlaus Jensen if (NVME_CC_EN(data) && !NVME_CC_EN(cc)) { 596349e03457SKlaus Jensen cc = data; 596449e03457SKlaus Jensen 596549e03457SKlaus Jensen /* flush CC since nvme_start_ctrl() needs the value */ 596649e03457SKlaus Jensen stl_le_p(&n->bar.cc, cc); 596788eea45cSKlaus Jensen if (unlikely(nvme_start_ctrl(n))) { 596888eea45cSKlaus Jensen trace_pci_nvme_err_startfail(); 596949e03457SKlaus Jensen csts = NVME_CSTS_FAILED; 597088eea45cSKlaus Jensen } else { 597188eea45cSKlaus Jensen trace_pci_nvme_mmio_start_success(); 597249e03457SKlaus Jensen csts = NVME_CSTS_READY; 597388eea45cSKlaus Jensen } 597449e03457SKlaus Jensen } else if (!NVME_CC_EN(data) && NVME_CC_EN(cc)) { 597588eea45cSKlaus Jensen trace_pci_nvme_mmio_stopped(); 597688eea45cSKlaus Jensen nvme_ctrl_reset(n); 597749e03457SKlaus Jensen cc = 0; 597849e03457SKlaus Jensen csts &= ~NVME_CSTS_READY; 597988eea45cSKlaus Jensen } 598049e03457SKlaus Jensen 598149e03457SKlaus Jensen if (NVME_CC_SHN(data) && !(NVME_CC_SHN(cc))) { 598288eea45cSKlaus Jensen trace_pci_nvme_mmio_shutdown_set(); 598388eea45cSKlaus Jensen nvme_ctrl_shutdown(n); 598449e03457SKlaus Jensen cc = data; 598549e03457SKlaus Jensen csts |= NVME_CSTS_SHST_COMPLETE; 598649e03457SKlaus Jensen } else if (!NVME_CC_SHN(data) && NVME_CC_SHN(cc)) { 598788eea45cSKlaus Jensen trace_pci_nvme_mmio_shutdown_cleared(); 598849e03457SKlaus Jensen csts &= ~NVME_CSTS_SHST_COMPLETE; 598949e03457SKlaus Jensen cc = data; 599088eea45cSKlaus Jensen } 599149e03457SKlaus Jensen 599249e03457SKlaus Jensen stl_le_p(&n->bar.cc, cc); 599349e03457SKlaus Jensen stl_le_p(&n->bar.csts, csts); 599449e03457SKlaus Jensen 599588eea45cSKlaus Jensen break; 5996a316aa50SKlaus Jensen case NVME_REG_CSTS: 599788eea45cSKlaus Jensen if (data & (1 << 4)) { 599888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_ssreset_w1c_unsupported, 599988eea45cSKlaus Jensen "attempted to W1C CSTS.NSSRO" 600088eea45cSKlaus Jensen " but CAP.NSSRS is zero (not supported)"); 600188eea45cSKlaus Jensen } else if (data != 0) { 600288eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_ro_csts, 600388eea45cSKlaus Jensen "attempted to set a read only bit" 600488eea45cSKlaus Jensen " of controller status"); 600588eea45cSKlaus Jensen } 600688eea45cSKlaus Jensen break; 6007a316aa50SKlaus Jensen case NVME_REG_NSSR: 600888eea45cSKlaus Jensen if (data == 0x4e564d65) { 600988eea45cSKlaus Jensen trace_pci_nvme_ub_mmiowr_ssreset_unsupported(); 601088eea45cSKlaus Jensen } else { 601188eea45cSKlaus Jensen /* The spec says that writes of other values have no effect */ 601288eea45cSKlaus Jensen return; 601388eea45cSKlaus Jensen } 601488eea45cSKlaus Jensen break; 6015a316aa50SKlaus Jensen case NVME_REG_AQA: 601649e03457SKlaus Jensen stl_le_p(&n->bar.aqa, data); 601788eea45cSKlaus Jensen trace_pci_nvme_mmio_aqattr(data & 0xffffffff); 601888eea45cSKlaus Jensen break; 6019a316aa50SKlaus Jensen case NVME_REG_ASQ: 602049e03457SKlaus Jensen stn_le_p(&n->bar.asq, size, data); 602188eea45cSKlaus Jensen trace_pci_nvme_mmio_asqaddr(data); 602288eea45cSKlaus Jensen break; 6023a316aa50SKlaus Jensen case NVME_REG_ASQ + 4: 602449e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.asq + 4, data); 602549e03457SKlaus Jensen trace_pci_nvme_mmio_asqaddr_hi(data, ldq_le_p(&n->bar.asq)); 602688eea45cSKlaus Jensen break; 6027a316aa50SKlaus Jensen case NVME_REG_ACQ: 602888eea45cSKlaus Jensen trace_pci_nvme_mmio_acqaddr(data); 602949e03457SKlaus Jensen stn_le_p(&n->bar.acq, size, data); 603088eea45cSKlaus Jensen break; 6031a316aa50SKlaus Jensen case NVME_REG_ACQ + 4: 603249e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.acq + 4, data); 603349e03457SKlaus Jensen trace_pci_nvme_mmio_acqaddr_hi(data, ldq_le_p(&n->bar.acq)); 603488eea45cSKlaus Jensen break; 6035a316aa50SKlaus Jensen case NVME_REG_CMBLOC: 603688eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_cmbloc_reserved, 603788eea45cSKlaus Jensen "invalid write to reserved CMBLOC" 603888eea45cSKlaus Jensen " when CMBSZ is zero, ignored"); 603988eea45cSKlaus Jensen return; 6040a316aa50SKlaus Jensen case NVME_REG_CMBSZ: 604188eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_cmbsz_readonly, 604288eea45cSKlaus Jensen "invalid write to read only CMBSZ, ignored"); 604388eea45cSKlaus Jensen return; 6044a316aa50SKlaus Jensen case NVME_REG_CMBMSC: 604549e03457SKlaus Jensen if (!NVME_CAP_CMBS(cap)) { 604688eea45cSKlaus Jensen return; 604788eea45cSKlaus Jensen } 604888eea45cSKlaus Jensen 604949e03457SKlaus Jensen stn_le_p(&n->bar.cmbmsc, size, data); 605088eea45cSKlaus Jensen n->cmb.cmse = false; 605188eea45cSKlaus Jensen 605288eea45cSKlaus Jensen if (NVME_CMBMSC_CRE(data)) { 605388eea45cSKlaus Jensen nvme_cmb_enable_regs(n); 605488eea45cSKlaus Jensen 605588eea45cSKlaus Jensen if (NVME_CMBMSC_CMSE(data)) { 605649e03457SKlaus Jensen uint64_t cmbmsc = ldq_le_p(&n->bar.cmbmsc); 605749e03457SKlaus Jensen hwaddr cba = NVME_CMBMSC_CBA(cmbmsc) << CMBMSC_CBA_SHIFT; 605888eea45cSKlaus Jensen if (cba + int128_get64(n->cmb.mem.size) < cba) { 605949e03457SKlaus Jensen uint32_t cmbsts = ldl_le_p(&n->bar.cmbsts); 606049e03457SKlaus Jensen NVME_CMBSTS_SET_CBAI(cmbsts, 1); 606149e03457SKlaus Jensen stl_le_p(&n->bar.cmbsts, cmbsts); 606288eea45cSKlaus Jensen return; 606388eea45cSKlaus Jensen } 606488eea45cSKlaus Jensen 606588eea45cSKlaus Jensen n->cmb.cba = cba; 606688eea45cSKlaus Jensen n->cmb.cmse = true; 606788eea45cSKlaus Jensen } 606888eea45cSKlaus Jensen } else { 606988eea45cSKlaus Jensen n->bar.cmbsz = 0; 607088eea45cSKlaus Jensen n->bar.cmbloc = 0; 607188eea45cSKlaus Jensen } 607288eea45cSKlaus Jensen 607388eea45cSKlaus Jensen return; 6074a316aa50SKlaus Jensen case NVME_REG_CMBMSC + 4: 607549e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.cmbmsc + 4, data); 607688eea45cSKlaus Jensen return; 607788eea45cSKlaus Jensen 6078a316aa50SKlaus Jensen case NVME_REG_PMRCAP: 607988eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrcap_readonly, 608088eea45cSKlaus Jensen "invalid write to PMRCAP register, ignored"); 608188eea45cSKlaus Jensen return; 6082a316aa50SKlaus Jensen case NVME_REG_PMRCTL: 608349e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 60842b02aabcSKlaus Jensen return; 60852b02aabcSKlaus Jensen } 60862b02aabcSKlaus Jensen 608749e03457SKlaus Jensen stl_le_p(&n->bar.pmrctl, data); 608888eea45cSKlaus Jensen if (NVME_PMRCTL_EN(data)) { 608988eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, true); 609049e03457SKlaus Jensen pmrsts = 0; 609188eea45cSKlaus Jensen } else { 609288eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, false); 609349e03457SKlaus Jensen NVME_PMRSTS_SET_NRDY(pmrsts, 1); 609488eea45cSKlaus Jensen n->pmr.cmse = false; 609588eea45cSKlaus Jensen } 609649e03457SKlaus Jensen stl_le_p(&n->bar.pmrsts, pmrsts); 609788eea45cSKlaus Jensen return; 6098a316aa50SKlaus Jensen case NVME_REG_PMRSTS: 609988eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrsts_readonly, 610088eea45cSKlaus Jensen "invalid write to PMRSTS register, ignored"); 610188eea45cSKlaus Jensen return; 6102a316aa50SKlaus Jensen case NVME_REG_PMREBS: 610388eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrebs_readonly, 610488eea45cSKlaus Jensen "invalid write to PMREBS register, ignored"); 610588eea45cSKlaus Jensen return; 6106a316aa50SKlaus Jensen case NVME_REG_PMRSWTP: 610788eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrswtp_readonly, 610888eea45cSKlaus Jensen "invalid write to PMRSWTP register, ignored"); 610988eea45cSKlaus Jensen return; 6110a316aa50SKlaus Jensen case NVME_REG_PMRMSCL: 611149e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 611288eea45cSKlaus Jensen return; 611388eea45cSKlaus Jensen } 611488eea45cSKlaus Jensen 611549e03457SKlaus Jensen stl_le_p(&n->bar.pmrmscl, data); 611688eea45cSKlaus Jensen n->pmr.cmse = false; 611788eea45cSKlaus Jensen 611849e03457SKlaus Jensen if (NVME_PMRMSCL_CMSE(data)) { 611949e03457SKlaus Jensen uint64_t pmrmscu = ldl_le_p(&n->bar.pmrmscu); 612049e03457SKlaus Jensen hwaddr cba = pmrmscu << 32 | 612149e03457SKlaus Jensen (NVME_PMRMSCL_CBA(data) << PMRMSCL_CBA_SHIFT); 612288eea45cSKlaus Jensen if (cba + int128_get64(n->pmr.dev->mr.size) < cba) { 612349e03457SKlaus Jensen NVME_PMRSTS_SET_CBAI(pmrsts, 1); 612449e03457SKlaus Jensen stl_le_p(&n->bar.pmrsts, pmrsts); 612588eea45cSKlaus Jensen return; 612688eea45cSKlaus Jensen } 612788eea45cSKlaus Jensen 612888eea45cSKlaus Jensen n->pmr.cmse = true; 612988eea45cSKlaus Jensen n->pmr.cba = cba; 613088eea45cSKlaus Jensen } 613188eea45cSKlaus Jensen 613288eea45cSKlaus Jensen return; 6133a316aa50SKlaus Jensen case NVME_REG_PMRMSCU: 613449e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 613588eea45cSKlaus Jensen return; 613688eea45cSKlaus Jensen } 613788eea45cSKlaus Jensen 613849e03457SKlaus Jensen stl_le_p(&n->bar.pmrmscu, data); 613988eea45cSKlaus Jensen return; 614088eea45cSKlaus Jensen default: 614188eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_invalid, 614288eea45cSKlaus Jensen "invalid MMIO write," 614388eea45cSKlaus Jensen " offset=0x%"PRIx64", data=%"PRIx64"", 614488eea45cSKlaus Jensen offset, data); 614588eea45cSKlaus Jensen break; 614688eea45cSKlaus Jensen } 614788eea45cSKlaus Jensen } 614888eea45cSKlaus Jensen 614988eea45cSKlaus Jensen static uint64_t nvme_mmio_read(void *opaque, hwaddr addr, unsigned size) 615088eea45cSKlaus Jensen { 615188eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 615288eea45cSKlaus Jensen uint8_t *ptr = (uint8_t *)&n->bar; 615388eea45cSKlaus Jensen 615488eea45cSKlaus Jensen trace_pci_nvme_mmio_read(addr, size); 615588eea45cSKlaus Jensen 615688eea45cSKlaus Jensen if (unlikely(addr & (sizeof(uint32_t) - 1))) { 615788eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_misaligned32, 615888eea45cSKlaus Jensen "MMIO read not 32-bit aligned," 615988eea45cSKlaus Jensen " offset=0x%"PRIx64"", addr); 616088eea45cSKlaus Jensen /* should RAZ, fall through for now */ 616188eea45cSKlaus Jensen } else if (unlikely(size < sizeof(uint32_t))) { 616288eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_toosmall, 616388eea45cSKlaus Jensen "MMIO read smaller than 32-bits," 616488eea45cSKlaus Jensen " offset=0x%"PRIx64"", addr); 616588eea45cSKlaus Jensen /* should RAZ, fall through for now */ 616688eea45cSKlaus Jensen } 616788eea45cSKlaus Jensen 61685029de44SKlaus Jensen if (addr > sizeof(n->bar) - size) { 61695029de44SKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_invalid_ofs, 61705029de44SKlaus Jensen "MMIO read beyond last register," 61715029de44SKlaus Jensen " offset=0x%"PRIx64", returning 0", addr); 61725029de44SKlaus Jensen 61735029de44SKlaus Jensen return 0; 61745029de44SKlaus Jensen } 61755029de44SKlaus Jensen 617688eea45cSKlaus Jensen /* 617788eea45cSKlaus Jensen * When PMRWBM bit 1 is set then read from 617888eea45cSKlaus Jensen * from PMRSTS should ensure prior writes 617988eea45cSKlaus Jensen * made it to persistent media 618088eea45cSKlaus Jensen */ 6181a316aa50SKlaus Jensen if (addr == NVME_REG_PMRSTS && 618249e03457SKlaus Jensen (NVME_PMRCAP_PMRWBM(ldl_le_p(&n->bar.pmrcap)) & 0x02)) { 618388eea45cSKlaus Jensen memory_region_msync(&n->pmr.dev->mr, 0, n->pmr.dev->size); 618488eea45cSKlaus Jensen } 61855029de44SKlaus Jensen 618649e03457SKlaus Jensen return ldn_le_p(ptr + addr, size); 618788eea45cSKlaus Jensen } 618888eea45cSKlaus Jensen 618988eea45cSKlaus Jensen static void nvme_process_db(NvmeCtrl *n, hwaddr addr, int val) 619088eea45cSKlaus Jensen { 619188eea45cSKlaus Jensen uint32_t qid; 619288eea45cSKlaus Jensen 619388eea45cSKlaus Jensen if (unlikely(addr & ((1 << 2) - 1))) { 619488eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_misaligned, 619588eea45cSKlaus Jensen "doorbell write not 32-bit aligned," 619688eea45cSKlaus Jensen " offset=0x%"PRIx64", ignoring", addr); 619788eea45cSKlaus Jensen return; 619888eea45cSKlaus Jensen } 619988eea45cSKlaus Jensen 620088eea45cSKlaus Jensen if (((addr - 0x1000) >> 2) & 1) { 620188eea45cSKlaus Jensen /* Completion queue doorbell write */ 620288eea45cSKlaus Jensen 620388eea45cSKlaus Jensen uint16_t new_head = val & 0xffff; 620488eea45cSKlaus Jensen int start_sqs; 620588eea45cSKlaus Jensen NvmeCQueue *cq; 620688eea45cSKlaus Jensen 620788eea45cSKlaus Jensen qid = (addr - (0x1000 + (1 << 2))) >> 3; 620888eea45cSKlaus Jensen if (unlikely(nvme_check_cqid(n, qid))) { 620988eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_cq, 621088eea45cSKlaus Jensen "completion queue doorbell write" 621188eea45cSKlaus Jensen " for nonexistent queue," 621288eea45cSKlaus Jensen " sqid=%"PRIu32", ignoring", qid); 621388eea45cSKlaus Jensen 621488eea45cSKlaus Jensen /* 621588eea45cSKlaus Jensen * NVM Express v1.3d, Section 4.1 state: "If host software writes 621688eea45cSKlaus Jensen * an invalid value to the Submission Queue Tail Doorbell or 621788eea45cSKlaus Jensen * Completion Queue Head Doorbell regiter and an Asynchronous Event 621888eea45cSKlaus Jensen * Request command is outstanding, then an asynchronous event is 621988eea45cSKlaus Jensen * posted to the Admin Completion Queue with a status code of 622088eea45cSKlaus Jensen * Invalid Doorbell Write Value." 622188eea45cSKlaus Jensen * 622288eea45cSKlaus Jensen * Also note that the spec includes the "Invalid Doorbell Register" 622388eea45cSKlaus Jensen * status code, but nowhere does it specify when to use it. 622488eea45cSKlaus Jensen * However, it seems reasonable to use it here in a similar 622588eea45cSKlaus Jensen * fashion. 622688eea45cSKlaus Jensen */ 622788eea45cSKlaus Jensen if (n->outstanding_aers) { 622888eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 622988eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_REGISTER, 623088eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 623188eea45cSKlaus Jensen } 623288eea45cSKlaus Jensen 623388eea45cSKlaus Jensen return; 623488eea45cSKlaus Jensen } 623588eea45cSKlaus Jensen 623688eea45cSKlaus Jensen cq = n->cq[qid]; 623788eea45cSKlaus Jensen if (unlikely(new_head >= cq->size)) { 623888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_cqhead, 623988eea45cSKlaus Jensen "completion queue doorbell write value" 624088eea45cSKlaus Jensen " beyond queue size, sqid=%"PRIu32"," 624188eea45cSKlaus Jensen " new_head=%"PRIu16", ignoring", 624288eea45cSKlaus Jensen qid, new_head); 624388eea45cSKlaus Jensen 624488eea45cSKlaus Jensen if (n->outstanding_aers) { 624588eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 624688eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_VALUE, 624788eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 624888eea45cSKlaus Jensen } 624988eea45cSKlaus Jensen 625088eea45cSKlaus Jensen return; 625188eea45cSKlaus Jensen } 625288eea45cSKlaus Jensen 625388eea45cSKlaus Jensen trace_pci_nvme_mmio_doorbell_cq(cq->cqid, new_head); 625488eea45cSKlaus Jensen 625588eea45cSKlaus Jensen start_sqs = nvme_cq_full(cq) ? 1 : 0; 625688eea45cSKlaus Jensen cq->head = new_head; 625788eea45cSKlaus Jensen if (start_sqs) { 625888eea45cSKlaus Jensen NvmeSQueue *sq; 625988eea45cSKlaus Jensen QTAILQ_FOREACH(sq, &cq->sq_list, entry) { 626088eea45cSKlaus Jensen timer_mod(sq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); 626188eea45cSKlaus Jensen } 626288eea45cSKlaus Jensen timer_mod(cq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); 626388eea45cSKlaus Jensen } 626488eea45cSKlaus Jensen 626588eea45cSKlaus Jensen if (cq->tail == cq->head) { 626683d7ed5cSKlaus Jensen if (cq->irq_enabled) { 626783d7ed5cSKlaus Jensen n->cq_pending--; 626883d7ed5cSKlaus Jensen } 626983d7ed5cSKlaus Jensen 627088eea45cSKlaus Jensen nvme_irq_deassert(n, cq); 627188eea45cSKlaus Jensen } 627288eea45cSKlaus Jensen } else { 627388eea45cSKlaus Jensen /* Submission queue doorbell write */ 627488eea45cSKlaus Jensen 627588eea45cSKlaus Jensen uint16_t new_tail = val & 0xffff; 627688eea45cSKlaus Jensen NvmeSQueue *sq; 627788eea45cSKlaus Jensen 627888eea45cSKlaus Jensen qid = (addr - 0x1000) >> 3; 627988eea45cSKlaus Jensen if (unlikely(nvme_check_sqid(n, qid))) { 628088eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_sq, 628188eea45cSKlaus Jensen "submission queue doorbell write" 628288eea45cSKlaus Jensen " for nonexistent queue," 628388eea45cSKlaus Jensen " sqid=%"PRIu32", ignoring", qid); 628488eea45cSKlaus Jensen 628588eea45cSKlaus Jensen if (n->outstanding_aers) { 628688eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 628788eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_REGISTER, 628888eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 628988eea45cSKlaus Jensen } 629088eea45cSKlaus Jensen 629188eea45cSKlaus Jensen return; 629288eea45cSKlaus Jensen } 629388eea45cSKlaus Jensen 629488eea45cSKlaus Jensen sq = n->sq[qid]; 629588eea45cSKlaus Jensen if (unlikely(new_tail >= sq->size)) { 629688eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_sqtail, 629788eea45cSKlaus Jensen "submission queue doorbell write value" 629888eea45cSKlaus Jensen " beyond queue size, sqid=%"PRIu32"," 629988eea45cSKlaus Jensen " new_tail=%"PRIu16", ignoring", 630088eea45cSKlaus Jensen qid, new_tail); 630188eea45cSKlaus Jensen 630288eea45cSKlaus Jensen if (n->outstanding_aers) { 630388eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 630488eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_VALUE, 630588eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 630688eea45cSKlaus Jensen } 630788eea45cSKlaus Jensen 630888eea45cSKlaus Jensen return; 630988eea45cSKlaus Jensen } 631088eea45cSKlaus Jensen 631188eea45cSKlaus Jensen trace_pci_nvme_mmio_doorbell_sq(sq->sqid, new_tail); 631288eea45cSKlaus Jensen 631388eea45cSKlaus Jensen sq->tail = new_tail; 631488eea45cSKlaus Jensen timer_mod(sq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); 631588eea45cSKlaus Jensen } 631688eea45cSKlaus Jensen } 631788eea45cSKlaus Jensen 631888eea45cSKlaus Jensen static void nvme_mmio_write(void *opaque, hwaddr addr, uint64_t data, 631988eea45cSKlaus Jensen unsigned size) 632088eea45cSKlaus Jensen { 632188eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 632288eea45cSKlaus Jensen 632388eea45cSKlaus Jensen trace_pci_nvme_mmio_write(addr, data, size); 632488eea45cSKlaus Jensen 632588eea45cSKlaus Jensen if (addr < sizeof(n->bar)) { 632688eea45cSKlaus Jensen nvme_write_bar(n, addr, data, size); 632788eea45cSKlaus Jensen } else { 632888eea45cSKlaus Jensen nvme_process_db(n, addr, data); 632988eea45cSKlaus Jensen } 633088eea45cSKlaus Jensen } 633188eea45cSKlaus Jensen 633288eea45cSKlaus Jensen static const MemoryRegionOps nvme_mmio_ops = { 633388eea45cSKlaus Jensen .read = nvme_mmio_read, 633488eea45cSKlaus Jensen .write = nvme_mmio_write, 633588eea45cSKlaus Jensen .endianness = DEVICE_LITTLE_ENDIAN, 633688eea45cSKlaus Jensen .impl = { 633788eea45cSKlaus Jensen .min_access_size = 2, 633888eea45cSKlaus Jensen .max_access_size = 8, 633988eea45cSKlaus Jensen }, 634088eea45cSKlaus Jensen }; 634188eea45cSKlaus Jensen 634288eea45cSKlaus Jensen static void nvme_cmb_write(void *opaque, hwaddr addr, uint64_t data, 634388eea45cSKlaus Jensen unsigned size) 634488eea45cSKlaus Jensen { 634588eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 634688eea45cSKlaus Jensen stn_le_p(&n->cmb.buf[addr], size, data); 634788eea45cSKlaus Jensen } 634888eea45cSKlaus Jensen 634988eea45cSKlaus Jensen static uint64_t nvme_cmb_read(void *opaque, hwaddr addr, unsigned size) 635088eea45cSKlaus Jensen { 635188eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 635288eea45cSKlaus Jensen return ldn_le_p(&n->cmb.buf[addr], size); 635388eea45cSKlaus Jensen } 635488eea45cSKlaus Jensen 635588eea45cSKlaus Jensen static const MemoryRegionOps nvme_cmb_ops = { 635688eea45cSKlaus Jensen .read = nvme_cmb_read, 635788eea45cSKlaus Jensen .write = nvme_cmb_write, 635888eea45cSKlaus Jensen .endianness = DEVICE_LITTLE_ENDIAN, 635988eea45cSKlaus Jensen .impl = { 636088eea45cSKlaus Jensen .min_access_size = 1, 636188eea45cSKlaus Jensen .max_access_size = 8, 636288eea45cSKlaus Jensen }, 636388eea45cSKlaus Jensen }; 636488eea45cSKlaus Jensen 636588eea45cSKlaus Jensen static void nvme_check_constraints(NvmeCtrl *n, Error **errp) 636688eea45cSKlaus Jensen { 636788eea45cSKlaus Jensen NvmeParams *params = &n->params; 636888eea45cSKlaus Jensen 636988eea45cSKlaus Jensen if (params->num_queues) { 637088eea45cSKlaus Jensen warn_report("num_queues is deprecated; please use max_ioqpairs " 637188eea45cSKlaus Jensen "instead"); 637288eea45cSKlaus Jensen 637388eea45cSKlaus Jensen params->max_ioqpairs = params->num_queues - 1; 637488eea45cSKlaus Jensen } 637588eea45cSKlaus Jensen 637688eea45cSKlaus Jensen if (n->namespace.blkconf.blk && n->subsys) { 637788eea45cSKlaus Jensen error_setg(errp, "subsystem support is unavailable with legacy " 637888eea45cSKlaus Jensen "namespace ('drive' property)"); 637988eea45cSKlaus Jensen return; 638088eea45cSKlaus Jensen } 638188eea45cSKlaus Jensen 638288eea45cSKlaus Jensen if (params->max_ioqpairs < 1 || 638388eea45cSKlaus Jensen params->max_ioqpairs > NVME_MAX_IOQPAIRS) { 638488eea45cSKlaus Jensen error_setg(errp, "max_ioqpairs must be between 1 and %d", 638588eea45cSKlaus Jensen NVME_MAX_IOQPAIRS); 638688eea45cSKlaus Jensen return; 638788eea45cSKlaus Jensen } 638888eea45cSKlaus Jensen 638988eea45cSKlaus Jensen if (params->msix_qsize < 1 || 639088eea45cSKlaus Jensen params->msix_qsize > PCI_MSIX_FLAGS_QSIZE + 1) { 639188eea45cSKlaus Jensen error_setg(errp, "msix_qsize must be between 1 and %d", 639288eea45cSKlaus Jensen PCI_MSIX_FLAGS_QSIZE + 1); 639388eea45cSKlaus Jensen return; 639488eea45cSKlaus Jensen } 639588eea45cSKlaus Jensen 639688eea45cSKlaus Jensen if (!params->serial) { 639788eea45cSKlaus Jensen error_setg(errp, "serial property not set"); 639888eea45cSKlaus Jensen return; 639988eea45cSKlaus Jensen } 640088eea45cSKlaus Jensen 640188eea45cSKlaus Jensen if (n->pmr.dev) { 640288eea45cSKlaus Jensen if (host_memory_backend_is_mapped(n->pmr.dev)) { 640388eea45cSKlaus Jensen error_setg(errp, "can't use already busy memdev: %s", 640488eea45cSKlaus Jensen object_get_canonical_path_component(OBJECT(n->pmr.dev))); 640588eea45cSKlaus Jensen return; 640688eea45cSKlaus Jensen } 640788eea45cSKlaus Jensen 640888eea45cSKlaus Jensen if (!is_power_of_2(n->pmr.dev->size)) { 640988eea45cSKlaus Jensen error_setg(errp, "pmr backend size needs to be power of 2 in size"); 641088eea45cSKlaus Jensen return; 641188eea45cSKlaus Jensen } 641288eea45cSKlaus Jensen 641388eea45cSKlaus Jensen host_memory_backend_set_mapped(n->pmr.dev, true); 641488eea45cSKlaus Jensen } 641588eea45cSKlaus Jensen 641688eea45cSKlaus Jensen if (n->params.zasl > n->params.mdts) { 641788eea45cSKlaus Jensen error_setg(errp, "zoned.zasl (Zone Append Size Limit) must be less " 641888eea45cSKlaus Jensen "than or equal to mdts (Maximum Data Transfer Size)"); 641988eea45cSKlaus Jensen return; 642088eea45cSKlaus Jensen } 642188eea45cSKlaus Jensen 642288eea45cSKlaus Jensen if (!n->params.vsl) { 642388eea45cSKlaus Jensen error_setg(errp, "vsl must be non-zero"); 642488eea45cSKlaus Jensen return; 642588eea45cSKlaus Jensen } 642688eea45cSKlaus Jensen } 642788eea45cSKlaus Jensen 642888eea45cSKlaus Jensen static void nvme_init_state(NvmeCtrl *n) 642988eea45cSKlaus Jensen { 643088eea45cSKlaus Jensen /* add one to max_ioqpairs to account for the admin queue pair */ 643188eea45cSKlaus Jensen n->reg_size = pow2ceil(sizeof(NvmeBar) + 643288eea45cSKlaus Jensen 2 * (n->params.max_ioqpairs + 1) * NVME_DB_SIZE); 643388eea45cSKlaus Jensen n->sq = g_new0(NvmeSQueue *, n->params.max_ioqpairs + 1); 643488eea45cSKlaus Jensen n->cq = g_new0(NvmeCQueue *, n->params.max_ioqpairs + 1); 643588eea45cSKlaus Jensen n->temperature = NVME_TEMPERATURE; 643688eea45cSKlaus Jensen n->features.temp_thresh_hi = NVME_TEMPERATURE_WARNING; 643788eea45cSKlaus Jensen n->starttime_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 643888eea45cSKlaus Jensen n->aer_reqs = g_new0(NvmeRequest *, n->params.aerl + 1); 643988eea45cSKlaus Jensen } 644088eea45cSKlaus Jensen 644188eea45cSKlaus Jensen static void nvme_init_cmb(NvmeCtrl *n, PCIDevice *pci_dev) 644288eea45cSKlaus Jensen { 644388eea45cSKlaus Jensen uint64_t cmb_size = n->params.cmb_size_mb * MiB; 644449e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 644588eea45cSKlaus Jensen 644688eea45cSKlaus Jensen n->cmb.buf = g_malloc0(cmb_size); 644788eea45cSKlaus Jensen memory_region_init_io(&n->cmb.mem, OBJECT(n), &nvme_cmb_ops, n, 644888eea45cSKlaus Jensen "nvme-cmb", cmb_size); 644988eea45cSKlaus Jensen pci_register_bar(pci_dev, NVME_CMB_BIR, 645088eea45cSKlaus Jensen PCI_BASE_ADDRESS_SPACE_MEMORY | 645188eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64 | 645288eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_PREFETCH, &n->cmb.mem); 645388eea45cSKlaus Jensen 645449e03457SKlaus Jensen NVME_CAP_SET_CMBS(cap, 1); 645549e03457SKlaus Jensen stq_le_p(&n->bar.cap, cap); 645688eea45cSKlaus Jensen 645788eea45cSKlaus Jensen if (n->params.legacy_cmb) { 645888eea45cSKlaus Jensen nvme_cmb_enable_regs(n); 645988eea45cSKlaus Jensen n->cmb.cmse = true; 646088eea45cSKlaus Jensen } 646188eea45cSKlaus Jensen } 646288eea45cSKlaus Jensen 646388eea45cSKlaus Jensen static void nvme_init_pmr(NvmeCtrl *n, PCIDevice *pci_dev) 646488eea45cSKlaus Jensen { 646549e03457SKlaus Jensen uint32_t pmrcap = ldl_le_p(&n->bar.pmrcap); 646688eea45cSKlaus Jensen 646749e03457SKlaus Jensen NVME_PMRCAP_SET_RDS(pmrcap, 1); 646849e03457SKlaus Jensen NVME_PMRCAP_SET_WDS(pmrcap, 1); 646949e03457SKlaus Jensen NVME_PMRCAP_SET_BIR(pmrcap, NVME_PMR_BIR); 647049e03457SKlaus Jensen /* Turn on bit 1 support */ 647149e03457SKlaus Jensen NVME_PMRCAP_SET_PMRWBM(pmrcap, 0x02); 647249e03457SKlaus Jensen NVME_PMRCAP_SET_CMSS(pmrcap, 1); 647349e03457SKlaus Jensen stl_le_p(&n->bar.pmrcap, pmrcap); 647449e03457SKlaus Jensen 647549e03457SKlaus Jensen pci_register_bar(pci_dev, NVME_PMR_BIR, 647688eea45cSKlaus Jensen PCI_BASE_ADDRESS_SPACE_MEMORY | 647788eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64 | 647888eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_PREFETCH, &n->pmr.dev->mr); 647988eea45cSKlaus Jensen 648088eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, false); 648188eea45cSKlaus Jensen } 648288eea45cSKlaus Jensen 648388eea45cSKlaus Jensen static int nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev, Error **errp) 648488eea45cSKlaus Jensen { 648588eea45cSKlaus Jensen uint8_t *pci_conf = pci_dev->config; 648688eea45cSKlaus Jensen uint64_t bar_size, msix_table_size, msix_pba_size; 648788eea45cSKlaus Jensen unsigned msix_table_offset, msix_pba_offset; 648888eea45cSKlaus Jensen int ret; 648988eea45cSKlaus Jensen 649088eea45cSKlaus Jensen Error *err = NULL; 649188eea45cSKlaus Jensen 649288eea45cSKlaus Jensen pci_conf[PCI_INTERRUPT_PIN] = 1; 649388eea45cSKlaus Jensen pci_config_set_prog_interface(pci_conf, 0x2); 649488eea45cSKlaus Jensen 649588eea45cSKlaus Jensen if (n->params.use_intel_id) { 649688eea45cSKlaus Jensen pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL); 649788eea45cSKlaus Jensen pci_config_set_device_id(pci_conf, 0x5845); 649888eea45cSKlaus Jensen } else { 649988eea45cSKlaus Jensen pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_REDHAT); 650088eea45cSKlaus Jensen pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_REDHAT_NVME); 650188eea45cSKlaus Jensen } 650288eea45cSKlaus Jensen 650388eea45cSKlaus Jensen pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_EXPRESS); 650488eea45cSKlaus Jensen pcie_endpoint_cap_init(pci_dev, 0x80); 650588eea45cSKlaus Jensen 650688eea45cSKlaus Jensen bar_size = QEMU_ALIGN_UP(n->reg_size, 4 * KiB); 650788eea45cSKlaus Jensen msix_table_offset = bar_size; 650888eea45cSKlaus Jensen msix_table_size = PCI_MSIX_ENTRY_SIZE * n->params.msix_qsize; 650988eea45cSKlaus Jensen 651088eea45cSKlaus Jensen bar_size += msix_table_size; 651188eea45cSKlaus Jensen bar_size = QEMU_ALIGN_UP(bar_size, 4 * KiB); 651288eea45cSKlaus Jensen msix_pba_offset = bar_size; 651388eea45cSKlaus Jensen msix_pba_size = QEMU_ALIGN_UP(n->params.msix_qsize, 64) / 8; 651488eea45cSKlaus Jensen 651588eea45cSKlaus Jensen bar_size += msix_pba_size; 651688eea45cSKlaus Jensen bar_size = pow2ceil(bar_size); 651788eea45cSKlaus Jensen 651888eea45cSKlaus Jensen memory_region_init(&n->bar0, OBJECT(n), "nvme-bar0", bar_size); 651988eea45cSKlaus Jensen memory_region_init_io(&n->iomem, OBJECT(n), &nvme_mmio_ops, n, "nvme", 652088eea45cSKlaus Jensen n->reg_size); 652188eea45cSKlaus Jensen memory_region_add_subregion(&n->bar0, 0, &n->iomem); 652288eea45cSKlaus Jensen 652388eea45cSKlaus Jensen pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY | 652488eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64, &n->bar0); 652588eea45cSKlaus Jensen ret = msix_init(pci_dev, n->params.msix_qsize, 652688eea45cSKlaus Jensen &n->bar0, 0, msix_table_offset, 652788eea45cSKlaus Jensen &n->bar0, 0, msix_pba_offset, 0, &err); 652888eea45cSKlaus Jensen if (ret < 0) { 652988eea45cSKlaus Jensen if (ret == -ENOTSUP) { 653088eea45cSKlaus Jensen warn_report_err(err); 653188eea45cSKlaus Jensen } else { 653288eea45cSKlaus Jensen error_propagate(errp, err); 653388eea45cSKlaus Jensen return ret; 653488eea45cSKlaus Jensen } 653588eea45cSKlaus Jensen } 653688eea45cSKlaus Jensen 653788eea45cSKlaus Jensen if (n->params.cmb_size_mb) { 653888eea45cSKlaus Jensen nvme_init_cmb(n, pci_dev); 653988eea45cSKlaus Jensen } 654088eea45cSKlaus Jensen 654188eea45cSKlaus Jensen if (n->pmr.dev) { 654288eea45cSKlaus Jensen nvme_init_pmr(n, pci_dev); 654388eea45cSKlaus Jensen } 654488eea45cSKlaus Jensen 654588eea45cSKlaus Jensen return 0; 654688eea45cSKlaus Jensen } 654788eea45cSKlaus Jensen 654888eea45cSKlaus Jensen static void nvme_init_subnqn(NvmeCtrl *n) 654988eea45cSKlaus Jensen { 655088eea45cSKlaus Jensen NvmeSubsystem *subsys = n->subsys; 655188eea45cSKlaus Jensen NvmeIdCtrl *id = &n->id_ctrl; 655288eea45cSKlaus Jensen 655388eea45cSKlaus Jensen if (!subsys) { 655488eea45cSKlaus Jensen snprintf((char *)id->subnqn, sizeof(id->subnqn), 655588eea45cSKlaus Jensen "nqn.2019-08.org.qemu:%s", n->params.serial); 655688eea45cSKlaus Jensen } else { 655788eea45cSKlaus Jensen pstrcpy((char *)id->subnqn, sizeof(id->subnqn), (char*)subsys->subnqn); 655888eea45cSKlaus Jensen } 655988eea45cSKlaus Jensen } 656088eea45cSKlaus Jensen 656188eea45cSKlaus Jensen static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev) 656288eea45cSKlaus Jensen { 656388eea45cSKlaus Jensen NvmeIdCtrl *id = &n->id_ctrl; 656488eea45cSKlaus Jensen uint8_t *pci_conf = pci_dev->config; 656549e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 656688eea45cSKlaus Jensen 656788eea45cSKlaus Jensen id->vid = cpu_to_le16(pci_get_word(pci_conf + PCI_VENDOR_ID)); 656888eea45cSKlaus Jensen id->ssvid = cpu_to_le16(pci_get_word(pci_conf + PCI_SUBSYSTEM_VENDOR_ID)); 656988eea45cSKlaus Jensen strpadcpy((char *)id->mn, sizeof(id->mn), "QEMU NVMe Ctrl", ' '); 657088eea45cSKlaus Jensen strpadcpy((char *)id->fr, sizeof(id->fr), "1.0", ' '); 657188eea45cSKlaus Jensen strpadcpy((char *)id->sn, sizeof(id->sn), n->params.serial, ' '); 657288eea45cSKlaus Jensen 657388eea45cSKlaus Jensen id->cntlid = cpu_to_le16(n->cntlid); 657488eea45cSKlaus Jensen 657588eea45cSKlaus Jensen id->oaes = cpu_to_le32(NVME_OAES_NS_ATTR); 657688eea45cSKlaus Jensen 657788eea45cSKlaus Jensen id->rab = 6; 657888eea45cSKlaus Jensen 657988eea45cSKlaus Jensen if (n->params.use_intel_id) { 658088eea45cSKlaus Jensen id->ieee[0] = 0xb3; 658188eea45cSKlaus Jensen id->ieee[1] = 0x02; 658288eea45cSKlaus Jensen id->ieee[2] = 0x00; 658388eea45cSKlaus Jensen } else { 658488eea45cSKlaus Jensen id->ieee[0] = 0x00; 658588eea45cSKlaus Jensen id->ieee[1] = 0x54; 658688eea45cSKlaus Jensen id->ieee[2] = 0x52; 658788eea45cSKlaus Jensen } 658888eea45cSKlaus Jensen 658988eea45cSKlaus Jensen id->mdts = n->params.mdts; 659088eea45cSKlaus Jensen id->ver = cpu_to_le32(NVME_SPEC_VER); 659188eea45cSKlaus Jensen id->oacs = cpu_to_le16(NVME_OACS_NS_MGMT | NVME_OACS_FORMAT); 659288eea45cSKlaus Jensen id->cntrltype = 0x1; 659388eea45cSKlaus Jensen 659488eea45cSKlaus Jensen /* 659588eea45cSKlaus Jensen * Because the controller always completes the Abort command immediately, 659688eea45cSKlaus Jensen * there can never be more than one concurrently executing Abort command, 659788eea45cSKlaus Jensen * so this value is never used for anything. Note that there can easily be 659888eea45cSKlaus Jensen * many Abort commands in the queues, but they are not considered 659988eea45cSKlaus Jensen * "executing" until processed by nvme_abort. 660088eea45cSKlaus Jensen * 660188eea45cSKlaus Jensen * The specification recommends a value of 3 for Abort Command Limit (four 660288eea45cSKlaus Jensen * concurrently outstanding Abort commands), so lets use that though it is 660388eea45cSKlaus Jensen * inconsequential. 660488eea45cSKlaus Jensen */ 660588eea45cSKlaus Jensen id->acl = 3; 660688eea45cSKlaus Jensen id->aerl = n->params.aerl; 660788eea45cSKlaus Jensen id->frmw = (NVME_NUM_FW_SLOTS << 1) | NVME_FRMW_SLOT1_RO; 660888eea45cSKlaus Jensen id->lpa = NVME_LPA_NS_SMART | NVME_LPA_CSE | NVME_LPA_EXTENDED; 660988eea45cSKlaus Jensen 661088eea45cSKlaus Jensen /* recommended default value (~70 C) */ 661188eea45cSKlaus Jensen id->wctemp = cpu_to_le16(NVME_TEMPERATURE_WARNING); 661288eea45cSKlaus Jensen id->cctemp = cpu_to_le16(NVME_TEMPERATURE_CRITICAL); 661388eea45cSKlaus Jensen 661488eea45cSKlaus Jensen id->sqes = (0x6 << 4) | 0x6; 661588eea45cSKlaus Jensen id->cqes = (0x4 << 4) | 0x4; 661688eea45cSKlaus Jensen id->nn = cpu_to_le32(NVME_MAX_NAMESPACES); 661788eea45cSKlaus Jensen id->oncs = cpu_to_le16(NVME_ONCS_WRITE_ZEROES | NVME_ONCS_TIMESTAMP | 661888eea45cSKlaus Jensen NVME_ONCS_FEATURES | NVME_ONCS_DSM | 661988eea45cSKlaus Jensen NVME_ONCS_COMPARE | NVME_ONCS_COPY); 662088eea45cSKlaus Jensen 662188eea45cSKlaus Jensen /* 662288eea45cSKlaus Jensen * NOTE: If this device ever supports a command set that does NOT use 0x0 662388eea45cSKlaus Jensen * as a Flush-equivalent operation, support for the broadcast NSID in Flush 662488eea45cSKlaus Jensen * should probably be removed. 662588eea45cSKlaus Jensen * 662688eea45cSKlaus Jensen * See comment in nvme_io_cmd. 662788eea45cSKlaus Jensen */ 662888eea45cSKlaus Jensen id->vwc = NVME_VWC_NSID_BROADCAST_SUPPORT | NVME_VWC_PRESENT; 662988eea45cSKlaus Jensen 663088eea45cSKlaus Jensen id->ocfs = cpu_to_le16(NVME_OCFS_COPY_FORMAT_0); 663188eea45cSKlaus Jensen id->sgls = cpu_to_le32(NVME_CTRL_SGLS_SUPPORT_NO_ALIGN | 663288eea45cSKlaus Jensen NVME_CTRL_SGLS_BITBUCKET); 663388eea45cSKlaus Jensen 663488eea45cSKlaus Jensen nvme_init_subnqn(n); 663588eea45cSKlaus Jensen 663688eea45cSKlaus Jensen id->psd[0].mp = cpu_to_le16(0x9c4); 663788eea45cSKlaus Jensen id->psd[0].enlat = cpu_to_le32(0x10); 663888eea45cSKlaus Jensen id->psd[0].exlat = cpu_to_le32(0x4); 663988eea45cSKlaus Jensen 664088eea45cSKlaus Jensen if (n->subsys) { 664188eea45cSKlaus Jensen id->cmic |= NVME_CMIC_MULTI_CTRL; 664288eea45cSKlaus Jensen } 664388eea45cSKlaus Jensen 664449e03457SKlaus Jensen NVME_CAP_SET_MQES(cap, 0x7ff); 664549e03457SKlaus Jensen NVME_CAP_SET_CQR(cap, 1); 664649e03457SKlaus Jensen NVME_CAP_SET_TO(cap, 0xf); 664749e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_NVM); 664849e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_CSI_SUPP); 664949e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_ADMIN_ONLY); 665049e03457SKlaus Jensen NVME_CAP_SET_MPSMAX(cap, 4); 665149e03457SKlaus Jensen NVME_CAP_SET_CMBS(cap, n->params.cmb_size_mb ? 1 : 0); 665249e03457SKlaus Jensen NVME_CAP_SET_PMRS(cap, n->pmr.dev ? 1 : 0); 665349e03457SKlaus Jensen stq_le_p(&n->bar.cap, cap); 665488eea45cSKlaus Jensen 665549e03457SKlaus Jensen stl_le_p(&n->bar.vs, NVME_SPEC_VER); 665688eea45cSKlaus Jensen n->bar.intmc = n->bar.intms = 0; 665788eea45cSKlaus Jensen } 665888eea45cSKlaus Jensen 665988eea45cSKlaus Jensen static int nvme_init_subsys(NvmeCtrl *n, Error **errp) 666088eea45cSKlaus Jensen { 666188eea45cSKlaus Jensen int cntlid; 666288eea45cSKlaus Jensen 666388eea45cSKlaus Jensen if (!n->subsys) { 666488eea45cSKlaus Jensen return 0; 666588eea45cSKlaus Jensen } 666688eea45cSKlaus Jensen 666788eea45cSKlaus Jensen cntlid = nvme_subsys_register_ctrl(n, errp); 666888eea45cSKlaus Jensen if (cntlid < 0) { 666988eea45cSKlaus Jensen return -1; 667088eea45cSKlaus Jensen } 667188eea45cSKlaus Jensen 667288eea45cSKlaus Jensen n->cntlid = cntlid; 667388eea45cSKlaus Jensen 667488eea45cSKlaus Jensen return 0; 667588eea45cSKlaus Jensen } 667688eea45cSKlaus Jensen 667788eea45cSKlaus Jensen void nvme_attach_ns(NvmeCtrl *n, NvmeNamespace *ns) 667888eea45cSKlaus Jensen { 667988eea45cSKlaus Jensen uint32_t nsid = ns->params.nsid; 668088eea45cSKlaus Jensen assert(nsid && nsid <= NVME_MAX_NAMESPACES); 668188eea45cSKlaus Jensen 668288eea45cSKlaus Jensen n->namespaces[nsid] = ns; 668388eea45cSKlaus Jensen ns->attached++; 668488eea45cSKlaus Jensen 668588eea45cSKlaus Jensen n->dmrsl = MIN_NON_ZERO(n->dmrsl, 668688eea45cSKlaus Jensen BDRV_REQUEST_MAX_BYTES / nvme_l2b(ns, 1)); 668788eea45cSKlaus Jensen } 668888eea45cSKlaus Jensen 668988eea45cSKlaus Jensen static void nvme_realize(PCIDevice *pci_dev, Error **errp) 669088eea45cSKlaus Jensen { 669188eea45cSKlaus Jensen NvmeCtrl *n = NVME(pci_dev); 669288eea45cSKlaus Jensen NvmeNamespace *ns; 669388eea45cSKlaus Jensen Error *local_err = NULL; 669488eea45cSKlaus Jensen 669588eea45cSKlaus Jensen nvme_check_constraints(n, &local_err); 669688eea45cSKlaus Jensen if (local_err) { 669788eea45cSKlaus Jensen error_propagate(errp, local_err); 669888eea45cSKlaus Jensen return; 669988eea45cSKlaus Jensen } 670088eea45cSKlaus Jensen 6701d637e1dcSPeter Maydell qbus_init(&n->bus, sizeof(NvmeBus), TYPE_NVME_BUS, 670288eea45cSKlaus Jensen &pci_dev->qdev, n->parent_obj.qdev.id); 670388eea45cSKlaus Jensen 670488eea45cSKlaus Jensen nvme_init_state(n); 670588eea45cSKlaus Jensen if (nvme_init_pci(n, pci_dev, errp)) { 670688eea45cSKlaus Jensen return; 670788eea45cSKlaus Jensen } 670888eea45cSKlaus Jensen 670988eea45cSKlaus Jensen if (nvme_init_subsys(n, errp)) { 671088eea45cSKlaus Jensen error_propagate(errp, local_err); 671188eea45cSKlaus Jensen return; 671288eea45cSKlaus Jensen } 671388eea45cSKlaus Jensen nvme_init_ctrl(n, pci_dev); 671488eea45cSKlaus Jensen 671588eea45cSKlaus Jensen /* setup a namespace if the controller drive property was given */ 671688eea45cSKlaus Jensen if (n->namespace.blkconf.blk) { 671788eea45cSKlaus Jensen ns = &n->namespace; 671888eea45cSKlaus Jensen ns->params.nsid = 1; 671988eea45cSKlaus Jensen 67205e4f6bccSKlaus Jensen if (nvme_ns_setup(ns, errp)) { 672188eea45cSKlaus Jensen return; 672288eea45cSKlaus Jensen } 672388eea45cSKlaus Jensen 672488eea45cSKlaus Jensen nvme_attach_ns(n, ns); 672588eea45cSKlaus Jensen } 672688eea45cSKlaus Jensen } 672788eea45cSKlaus Jensen 672888eea45cSKlaus Jensen static void nvme_exit(PCIDevice *pci_dev) 672988eea45cSKlaus Jensen { 673088eea45cSKlaus Jensen NvmeCtrl *n = NVME(pci_dev); 673188eea45cSKlaus Jensen NvmeNamespace *ns; 673288eea45cSKlaus Jensen int i; 673388eea45cSKlaus Jensen 673488eea45cSKlaus Jensen nvme_ctrl_reset(n); 673588eea45cSKlaus Jensen 67365ffbaeedSKlaus Jensen if (n->subsys) { 673788eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 673888eea45cSKlaus Jensen ns = nvme_ns(n, i); 67395ffbaeedSKlaus Jensen if (ns) { 67405ffbaeedSKlaus Jensen ns->attached--; 67415ffbaeedSKlaus Jensen } 674288eea45cSKlaus Jensen } 674388eea45cSKlaus Jensen 6744b0fde9e8SKlaus Jensen nvme_subsys_unregister_ctrl(n->subsys, n); 6745b0fde9e8SKlaus Jensen } 6746b0fde9e8SKlaus Jensen 674788eea45cSKlaus Jensen g_free(n->cq); 674888eea45cSKlaus Jensen g_free(n->sq); 674988eea45cSKlaus Jensen g_free(n->aer_reqs); 675088eea45cSKlaus Jensen 675188eea45cSKlaus Jensen if (n->params.cmb_size_mb) { 675288eea45cSKlaus Jensen g_free(n->cmb.buf); 675388eea45cSKlaus Jensen } 675488eea45cSKlaus Jensen 675588eea45cSKlaus Jensen if (n->pmr.dev) { 675688eea45cSKlaus Jensen host_memory_backend_set_mapped(n->pmr.dev, false); 675788eea45cSKlaus Jensen } 675888eea45cSKlaus Jensen msix_uninit(pci_dev, &n->bar0, &n->bar0); 675988eea45cSKlaus Jensen memory_region_del_subregion(&n->bar0, &n->iomem); 676088eea45cSKlaus Jensen } 676188eea45cSKlaus Jensen 676288eea45cSKlaus Jensen static Property nvme_props[] = { 676388eea45cSKlaus Jensen DEFINE_BLOCK_PROPERTIES(NvmeCtrl, namespace.blkconf), 676488eea45cSKlaus Jensen DEFINE_PROP_LINK("pmrdev", NvmeCtrl, pmr.dev, TYPE_MEMORY_BACKEND, 676588eea45cSKlaus Jensen HostMemoryBackend *), 676688eea45cSKlaus Jensen DEFINE_PROP_LINK("subsys", NvmeCtrl, subsys, TYPE_NVME_SUBSYS, 676788eea45cSKlaus Jensen NvmeSubsystem *), 676888eea45cSKlaus Jensen DEFINE_PROP_STRING("serial", NvmeCtrl, params.serial), 676988eea45cSKlaus Jensen DEFINE_PROP_UINT32("cmb_size_mb", NvmeCtrl, params.cmb_size_mb, 0), 677088eea45cSKlaus Jensen DEFINE_PROP_UINT32("num_queues", NvmeCtrl, params.num_queues, 0), 677188eea45cSKlaus Jensen DEFINE_PROP_UINT32("max_ioqpairs", NvmeCtrl, params.max_ioqpairs, 64), 677288eea45cSKlaus Jensen DEFINE_PROP_UINT16("msix_qsize", NvmeCtrl, params.msix_qsize, 65), 677388eea45cSKlaus Jensen DEFINE_PROP_UINT8("aerl", NvmeCtrl, params.aerl, 3), 677488eea45cSKlaus Jensen DEFINE_PROP_UINT32("aer_max_queued", NvmeCtrl, params.aer_max_queued, 64), 677588eea45cSKlaus Jensen DEFINE_PROP_UINT8("mdts", NvmeCtrl, params.mdts, 7), 677688eea45cSKlaus Jensen DEFINE_PROP_UINT8("vsl", NvmeCtrl, params.vsl, 7), 677788eea45cSKlaus Jensen DEFINE_PROP_BOOL("use-intel-id", NvmeCtrl, params.use_intel_id, false), 677888eea45cSKlaus Jensen DEFINE_PROP_BOOL("legacy-cmb", NvmeCtrl, params.legacy_cmb, false), 677988eea45cSKlaus Jensen DEFINE_PROP_UINT8("zoned.zasl", NvmeCtrl, params.zasl, 0), 6780cccc2651SNiklas Cassel DEFINE_PROP_BOOL("zoned.auto_transition", NvmeCtrl, 6781cccc2651SNiklas Cassel params.auto_transition_zones, true), 678288eea45cSKlaus Jensen DEFINE_PROP_END_OF_LIST(), 678388eea45cSKlaus Jensen }; 678488eea45cSKlaus Jensen 678588eea45cSKlaus Jensen static void nvme_get_smart_warning(Object *obj, Visitor *v, const char *name, 678688eea45cSKlaus Jensen void *opaque, Error **errp) 678788eea45cSKlaus Jensen { 678888eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 678988eea45cSKlaus Jensen uint8_t value = n->smart_critical_warning; 679088eea45cSKlaus Jensen 679188eea45cSKlaus Jensen visit_type_uint8(v, name, &value, errp); 679288eea45cSKlaus Jensen } 679388eea45cSKlaus Jensen 679488eea45cSKlaus Jensen static void nvme_set_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, old_value, cap = 0, index, event; 679988eea45cSKlaus Jensen 680088eea45cSKlaus Jensen if (!visit_type_uint8(v, name, &value, errp)) { 680188eea45cSKlaus Jensen return; 680288eea45cSKlaus Jensen } 680388eea45cSKlaus Jensen 680488eea45cSKlaus Jensen cap = NVME_SMART_SPARE | NVME_SMART_TEMPERATURE | NVME_SMART_RELIABILITY 680588eea45cSKlaus Jensen | NVME_SMART_MEDIA_READ_ONLY | NVME_SMART_FAILED_VOLATILE_MEDIA; 680649e03457SKlaus Jensen if (NVME_CAP_PMRS(ldq_le_p(&n->bar.cap))) { 680788eea45cSKlaus Jensen cap |= NVME_SMART_PMR_UNRELIABLE; 680888eea45cSKlaus Jensen } 680988eea45cSKlaus Jensen 681088eea45cSKlaus Jensen if ((value & cap) != value) { 681188eea45cSKlaus Jensen error_setg(errp, "unsupported smart critical warning bits: 0x%x", 681288eea45cSKlaus Jensen value & ~cap); 681388eea45cSKlaus Jensen return; 681488eea45cSKlaus Jensen } 681588eea45cSKlaus Jensen 681688eea45cSKlaus Jensen old_value = n->smart_critical_warning; 681788eea45cSKlaus Jensen n->smart_critical_warning = value; 681888eea45cSKlaus Jensen 681988eea45cSKlaus Jensen /* only inject new bits of smart critical warning */ 682088eea45cSKlaus Jensen for (index = 0; index < NVME_SMART_WARN_MAX; index++) { 682188eea45cSKlaus Jensen event = 1 << index; 682288eea45cSKlaus Jensen if (value & ~old_value & event) 682388eea45cSKlaus Jensen nvme_smart_event(n, event); 682488eea45cSKlaus Jensen } 682588eea45cSKlaus Jensen } 682688eea45cSKlaus Jensen 682788eea45cSKlaus Jensen static const VMStateDescription nvme_vmstate = { 682888eea45cSKlaus Jensen .name = "nvme", 682988eea45cSKlaus Jensen .unmigratable = 1, 683088eea45cSKlaus Jensen }; 683188eea45cSKlaus Jensen 683288eea45cSKlaus Jensen static void nvme_class_init(ObjectClass *oc, void *data) 683388eea45cSKlaus Jensen { 683488eea45cSKlaus Jensen DeviceClass *dc = DEVICE_CLASS(oc); 683588eea45cSKlaus Jensen PCIDeviceClass *pc = PCI_DEVICE_CLASS(oc); 683688eea45cSKlaus Jensen 683788eea45cSKlaus Jensen pc->realize = nvme_realize; 683888eea45cSKlaus Jensen pc->exit = nvme_exit; 683988eea45cSKlaus Jensen pc->class_id = PCI_CLASS_STORAGE_EXPRESS; 684088eea45cSKlaus Jensen pc->revision = 2; 684188eea45cSKlaus Jensen 684288eea45cSKlaus Jensen set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 684388eea45cSKlaus Jensen dc->desc = "Non-Volatile Memory Express"; 684488eea45cSKlaus Jensen device_class_set_props(dc, nvme_props); 684588eea45cSKlaus Jensen dc->vmsd = &nvme_vmstate; 684688eea45cSKlaus Jensen } 684788eea45cSKlaus Jensen 684888eea45cSKlaus Jensen static void nvme_instance_init(Object *obj) 684988eea45cSKlaus Jensen { 685088eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 685188eea45cSKlaus Jensen 685288eea45cSKlaus Jensen device_add_bootindex_property(obj, &n->namespace.blkconf.bootindex, 685388eea45cSKlaus Jensen "bootindex", "/namespace@1,0", 685488eea45cSKlaus Jensen DEVICE(obj)); 685588eea45cSKlaus Jensen 685688eea45cSKlaus Jensen object_property_add(obj, "smart_critical_warning", "uint8", 685788eea45cSKlaus Jensen nvme_get_smart_warning, 685888eea45cSKlaus Jensen nvme_set_smart_warning, NULL, NULL); 685988eea45cSKlaus Jensen } 686088eea45cSKlaus Jensen 686188eea45cSKlaus Jensen static const TypeInfo nvme_info = { 686288eea45cSKlaus Jensen .name = TYPE_NVME, 686388eea45cSKlaus Jensen .parent = TYPE_PCI_DEVICE, 686488eea45cSKlaus Jensen .instance_size = sizeof(NvmeCtrl), 686588eea45cSKlaus Jensen .instance_init = nvme_instance_init, 686688eea45cSKlaus Jensen .class_init = nvme_class_init, 686788eea45cSKlaus Jensen .interfaces = (InterfaceInfo[]) { 686888eea45cSKlaus Jensen { INTERFACE_PCIE_DEVICE }, 686988eea45cSKlaus Jensen { } 687088eea45cSKlaus Jensen }, 687188eea45cSKlaus Jensen }; 687288eea45cSKlaus Jensen 687388eea45cSKlaus Jensen static const TypeInfo nvme_bus_info = { 687488eea45cSKlaus Jensen .name = TYPE_NVME_BUS, 687588eea45cSKlaus Jensen .parent = TYPE_BUS, 687688eea45cSKlaus Jensen .instance_size = sizeof(NvmeBus), 687788eea45cSKlaus Jensen }; 687888eea45cSKlaus Jensen 687988eea45cSKlaus Jensen static void nvme_register_types(void) 688088eea45cSKlaus Jensen { 688188eea45cSKlaus Jensen type_register_static(&nvme_info); 688288eea45cSKlaus Jensen type_register_static(&nvme_bus_info); 688388eea45cSKlaus Jensen } 688488eea45cSKlaus Jensen 688588eea45cSKlaus Jensen type_init(nvme_register_types) 6886