188eea45cSKlaus Jensen /* 288eea45cSKlaus Jensen * QEMU NVM Express Controller 388eea45cSKlaus Jensen * 488eea45cSKlaus Jensen * Copyright (c) 2012, Intel Corporation 588eea45cSKlaus Jensen * 688eea45cSKlaus Jensen * Written by Keith Busch <keith.busch@intel.com> 788eea45cSKlaus Jensen * 888eea45cSKlaus Jensen * This code is licensed under the GNU GPL v2 or later. 988eea45cSKlaus Jensen */ 1088eea45cSKlaus Jensen 1188eea45cSKlaus Jensen /** 1288eea45cSKlaus Jensen * Reference Specs: http://www.nvmexpress.org, 1.4, 1.3, 1.2, 1.1, 1.0e 1388eea45cSKlaus Jensen * 1488eea45cSKlaus Jensen * https://nvmexpress.org/developers/nvme-specification/ 1588eea45cSKlaus Jensen * 1688eea45cSKlaus Jensen * 1788eea45cSKlaus Jensen * Notes on coding style 1888eea45cSKlaus Jensen * --------------------- 1988eea45cSKlaus Jensen * While QEMU coding style prefers lowercase hexadecimals in constants, the 2088eea45cSKlaus Jensen * NVMe subsystem use thes format from the NVMe specifications in the comments 2188eea45cSKlaus Jensen * (i.e. 'h' suffix instead of '0x' prefix). 2288eea45cSKlaus Jensen * 2388eea45cSKlaus Jensen * Usage 2488eea45cSKlaus Jensen * ----- 2588eea45cSKlaus Jensen * See docs/system/nvme.rst for extensive documentation. 2688eea45cSKlaus Jensen * 2788eea45cSKlaus Jensen * Add options: 2888eea45cSKlaus Jensen * -drive file=<file>,if=none,id=<drive_id> 2988eea45cSKlaus Jensen * -device nvme-subsys,id=<subsys_id>,nqn=<nqn_id> 3088eea45cSKlaus Jensen * -device nvme,serial=<serial>,id=<bus_name>, \ 3188eea45cSKlaus Jensen * cmb_size_mb=<cmb_size_mb[optional]>, \ 3288eea45cSKlaus Jensen * [pmrdev=<mem_backend_file_id>,] \ 3388eea45cSKlaus Jensen * max_ioqpairs=<N[optional]>, \ 3488eea45cSKlaus Jensen * aerl=<N[optional]>,aer_max_queued=<N[optional]>, \ 3588eea45cSKlaus Jensen * mdts=<N[optional]>,vsl=<N[optional]>, \ 3688eea45cSKlaus Jensen * zoned.zasl=<N[optional]>, \ 37cccc2651SNiklas Cassel * zoned.auto_transition=<on|off[optional]>, \ 3888eea45cSKlaus Jensen * subsys=<subsys_id> 3988eea45cSKlaus Jensen * -device nvme-ns,drive=<drive_id>,bus=<bus_name>,nsid=<nsid>,\ 4088eea45cSKlaus Jensen * zoned=<true|false[optional]>, \ 4188eea45cSKlaus Jensen * subsys=<subsys_id>,detached=<true|false[optional]> 4288eea45cSKlaus Jensen * 4388eea45cSKlaus Jensen * Note cmb_size_mb denotes size of CMB in MB. CMB is assumed to be at 4488eea45cSKlaus Jensen * offset 0 in BAR2 and supports only WDS, RDS and SQS for now. By default, the 4588eea45cSKlaus Jensen * device will use the "v1.4 CMB scheme" - use the `legacy-cmb` parameter to 4688eea45cSKlaus Jensen * always enable the CMBLOC and CMBSZ registers (v1.3 behavior). 4788eea45cSKlaus Jensen * 4888eea45cSKlaus Jensen * Enabling pmr emulation can be achieved by pointing to memory-backend-file. 4988eea45cSKlaus Jensen * For example: 5088eea45cSKlaus Jensen * -object memory-backend-file,id=<mem_id>,share=on,mem-path=<file_path>, \ 5188eea45cSKlaus Jensen * size=<size> .... -device nvme,...,pmrdev=<mem_id> 5288eea45cSKlaus Jensen * 5388eea45cSKlaus Jensen * The PMR will use BAR 4/5 exclusively. 5488eea45cSKlaus Jensen * 5588eea45cSKlaus Jensen * To place controller(s) and namespace(s) to a subsystem, then provide 5688eea45cSKlaus Jensen * nvme-subsys device as above. 5788eea45cSKlaus Jensen * 5888eea45cSKlaus Jensen * nvme subsystem device parameters 5988eea45cSKlaus Jensen * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 6088eea45cSKlaus Jensen * - `nqn` 6188eea45cSKlaus Jensen * This parameter provides the `<nqn_id>` part of the string 6288eea45cSKlaus Jensen * `nqn.2019-08.org.qemu:<nqn_id>` which will be reported in the SUBNQN field 6388eea45cSKlaus Jensen * of subsystem controllers. Note that `<nqn_id>` should be unique per 6488eea45cSKlaus Jensen * subsystem, but this is not enforced by QEMU. If not specified, it will 6588eea45cSKlaus Jensen * default to the value of the `id` parameter (`<subsys_id>`). 6688eea45cSKlaus Jensen * 6788eea45cSKlaus Jensen * nvme device parameters 6888eea45cSKlaus Jensen * ~~~~~~~~~~~~~~~~~~~~~~ 6988eea45cSKlaus Jensen * - `subsys` 7088eea45cSKlaus Jensen * Specifying this parameter attaches the controller to the subsystem and 7188eea45cSKlaus Jensen * the SUBNQN field in the controller will report the NQN of the subsystem 7288eea45cSKlaus Jensen * device. This also enables multi controller capability represented in 7388eea45cSKlaus Jensen * Identify Controller data structure in CMIC (Controller Multi-path I/O and 7488eea45cSKlaus Jensen * Namesapce Sharing Capabilities). 7588eea45cSKlaus Jensen * 7688eea45cSKlaus Jensen * - `aerl` 7788eea45cSKlaus Jensen * The Asynchronous Event Request Limit (AERL). Indicates the maximum number 7888eea45cSKlaus Jensen * of concurrently outstanding Asynchronous Event Request commands support 7988eea45cSKlaus Jensen * by the controller. This is a 0's based value. 8088eea45cSKlaus Jensen * 8188eea45cSKlaus Jensen * - `aer_max_queued` 8288eea45cSKlaus Jensen * This is the maximum number of events that the device will enqueue for 8388eea45cSKlaus Jensen * completion when there are no outstanding AERs. When the maximum number of 8488eea45cSKlaus Jensen * enqueued events are reached, subsequent events will be dropped. 8588eea45cSKlaus Jensen * 8688eea45cSKlaus Jensen * - `mdts` 8788eea45cSKlaus Jensen * Indicates the maximum data transfer size for a command that transfers data 8888eea45cSKlaus Jensen * between host-accessible memory and the controller. The value is specified 8988eea45cSKlaus Jensen * as a power of two (2^n) and is in units of the minimum memory page size 9088eea45cSKlaus Jensen * (CAP.MPSMIN). The default value is 7 (i.e. 512 KiB). 9188eea45cSKlaus Jensen * 9288eea45cSKlaus Jensen * - `vsl` 9388eea45cSKlaus Jensen * Indicates the maximum data size limit for the Verify command. Like `mdts`, 9488eea45cSKlaus Jensen * this value is specified as a power of two (2^n) and is in units of the 9588eea45cSKlaus Jensen * minimum memory page size (CAP.MPSMIN). The default value is 7 (i.e. 512 9688eea45cSKlaus Jensen * KiB). 9788eea45cSKlaus Jensen * 9888eea45cSKlaus Jensen * - `zoned.zasl` 9988eea45cSKlaus Jensen * Indicates the maximum data transfer size for the Zone Append command. Like 10088eea45cSKlaus Jensen * `mdts`, the value is specified as a power of two (2^n) and is in units of 10188eea45cSKlaus Jensen * the minimum memory page size (CAP.MPSMIN). The default value is 0 (i.e. 10288eea45cSKlaus Jensen * defaulting to the value of `mdts`). 10388eea45cSKlaus Jensen * 104cccc2651SNiklas Cassel * - `zoned.auto_transition` 105cccc2651SNiklas Cassel * Indicates if zones in zone state implicitly opened can be automatically 106cccc2651SNiklas Cassel * transitioned to zone state closed for resource management purposes. 107cccc2651SNiklas Cassel * Defaults to 'on'. 108cccc2651SNiklas Cassel * 10988eea45cSKlaus Jensen * nvme namespace device parameters 11088eea45cSKlaus Jensen * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 11188eea45cSKlaus Jensen * - `shared` 11288eea45cSKlaus Jensen * When the parent nvme device (as defined explicitly by the 'bus' parameter 11388eea45cSKlaus Jensen * or implicitly by the most recently defined NvmeBus) is linked to an 11488eea45cSKlaus Jensen * nvme-subsys device, the namespace will be attached to all controllers in 11588eea45cSKlaus Jensen * the subsystem. If set to 'off' (the default), the namespace will remain a 11688eea45cSKlaus Jensen * private namespace and may only be attached to a single controller at a 11788eea45cSKlaus Jensen * time. 11888eea45cSKlaus Jensen * 11988eea45cSKlaus Jensen * - `detached` 12088eea45cSKlaus Jensen * This parameter is only valid together with the `subsys` parameter. If left 12188eea45cSKlaus Jensen * at the default value (`false/off`), the namespace will be attached to all 12288eea45cSKlaus Jensen * controllers in the NVMe subsystem at boot-up. If set to `true/on`, the 123eeef4329SGollu Appalanaidu * namespace will be available in the subsystem but not attached to any 12488eea45cSKlaus Jensen * controllers. 12588eea45cSKlaus Jensen * 12688eea45cSKlaus Jensen * Setting `zoned` to true selects Zoned Command Set at the namespace. 12788eea45cSKlaus Jensen * In this case, the following namespace properties are available to configure 12888eea45cSKlaus Jensen * zoned operation: 12988eea45cSKlaus Jensen * zoned.zone_size=<zone size in bytes, default: 128MiB> 13088eea45cSKlaus Jensen * The number may be followed by K, M, G as in kilo-, mega- or giga-. 13188eea45cSKlaus Jensen * 13288eea45cSKlaus Jensen * zoned.zone_capacity=<zone capacity in bytes, default: zone size> 13388eea45cSKlaus Jensen * The value 0 (default) forces zone capacity to be the same as zone 13488eea45cSKlaus Jensen * size. The value of this property may not exceed zone size. 13588eea45cSKlaus Jensen * 13688eea45cSKlaus Jensen * zoned.descr_ext_size=<zone descriptor extension size, default 0> 13788eea45cSKlaus Jensen * This value needs to be specified in 64B units. If it is zero, 13888eea45cSKlaus Jensen * namespace(s) will not support zone descriptor extensions. 13988eea45cSKlaus Jensen * 14088eea45cSKlaus Jensen * zoned.max_active=<Maximum Active Resources (zones), default: 0> 14188eea45cSKlaus Jensen * The default value means there is no limit to the number of 14288eea45cSKlaus Jensen * concurrently active zones. 14388eea45cSKlaus Jensen * 14488eea45cSKlaus Jensen * zoned.max_open=<Maximum Open Resources (zones), default: 0> 14588eea45cSKlaus Jensen * The default value means there is no limit to the number of 14688eea45cSKlaus Jensen * concurrently open zones. 14788eea45cSKlaus Jensen * 14888eea45cSKlaus Jensen * zoned.cross_read=<enable RAZB, default: false> 14988eea45cSKlaus Jensen * Setting this property to true enables Read Across Zone Boundaries. 15088eea45cSKlaus Jensen */ 15188eea45cSKlaus Jensen 15288eea45cSKlaus Jensen #include "qemu/osdep.h" 15388eea45cSKlaus Jensen #include "qemu/cutils.h" 15488eea45cSKlaus Jensen #include "qemu/error-report.h" 15588eea45cSKlaus Jensen #include "qemu/log.h" 15688eea45cSKlaus Jensen #include "qemu/units.h" 15788eea45cSKlaus Jensen #include "qapi/error.h" 15888eea45cSKlaus Jensen #include "qapi/visitor.h" 15988eea45cSKlaus Jensen #include "sysemu/sysemu.h" 16088eea45cSKlaus Jensen #include "sysemu/block-backend.h" 16188eea45cSKlaus Jensen #include "sysemu/hostmem.h" 16288eea45cSKlaus Jensen #include "hw/pci/msix.h" 16388eea45cSKlaus Jensen #include "migration/vmstate.h" 16488eea45cSKlaus Jensen 16588eea45cSKlaus Jensen #include "nvme.h" 16688eea45cSKlaus Jensen #include "trace.h" 16788eea45cSKlaus Jensen 16888eea45cSKlaus Jensen #define NVME_MAX_IOQPAIRS 0xffff 16988eea45cSKlaus Jensen #define NVME_DB_SIZE 4 17088eea45cSKlaus Jensen #define NVME_SPEC_VER 0x00010400 17188eea45cSKlaus Jensen #define NVME_CMB_BIR 2 17288eea45cSKlaus Jensen #define NVME_PMR_BIR 4 17388eea45cSKlaus Jensen #define NVME_TEMPERATURE 0x143 17488eea45cSKlaus Jensen #define NVME_TEMPERATURE_WARNING 0x157 17588eea45cSKlaus Jensen #define NVME_TEMPERATURE_CRITICAL 0x175 17688eea45cSKlaus Jensen #define NVME_NUM_FW_SLOTS 1 17788eea45cSKlaus Jensen #define NVME_DEFAULT_MAX_ZA_SIZE (128 * KiB) 17888eea45cSKlaus Jensen 17988eea45cSKlaus Jensen #define NVME_GUEST_ERR(trace, fmt, ...) \ 18088eea45cSKlaus Jensen do { \ 18188eea45cSKlaus Jensen (trace_##trace)(__VA_ARGS__); \ 18288eea45cSKlaus Jensen qemu_log_mask(LOG_GUEST_ERROR, #trace \ 18388eea45cSKlaus Jensen " in %s: " fmt "\n", __func__, ## __VA_ARGS__); \ 18488eea45cSKlaus Jensen } while (0) 18588eea45cSKlaus Jensen 18688eea45cSKlaus Jensen static const bool nvme_feature_support[NVME_FID_MAX] = { 18788eea45cSKlaus Jensen [NVME_ARBITRATION] = true, 18888eea45cSKlaus Jensen [NVME_POWER_MANAGEMENT] = true, 18988eea45cSKlaus Jensen [NVME_TEMPERATURE_THRESHOLD] = true, 19088eea45cSKlaus Jensen [NVME_ERROR_RECOVERY] = true, 19188eea45cSKlaus Jensen [NVME_VOLATILE_WRITE_CACHE] = true, 19288eea45cSKlaus Jensen [NVME_NUMBER_OF_QUEUES] = true, 19388eea45cSKlaus Jensen [NVME_INTERRUPT_COALESCING] = true, 19488eea45cSKlaus Jensen [NVME_INTERRUPT_VECTOR_CONF] = true, 19588eea45cSKlaus Jensen [NVME_WRITE_ATOMICITY] = true, 19688eea45cSKlaus Jensen [NVME_ASYNCHRONOUS_EVENT_CONF] = true, 19788eea45cSKlaus Jensen [NVME_TIMESTAMP] = true, 19888eea45cSKlaus Jensen [NVME_COMMAND_SET_PROFILE] = true, 19988eea45cSKlaus Jensen }; 20088eea45cSKlaus Jensen 20188eea45cSKlaus Jensen static const uint32_t nvme_feature_cap[NVME_FID_MAX] = { 20288eea45cSKlaus Jensen [NVME_TEMPERATURE_THRESHOLD] = NVME_FEAT_CAP_CHANGE, 20388eea45cSKlaus Jensen [NVME_ERROR_RECOVERY] = NVME_FEAT_CAP_CHANGE | NVME_FEAT_CAP_NS, 20488eea45cSKlaus Jensen [NVME_VOLATILE_WRITE_CACHE] = NVME_FEAT_CAP_CHANGE, 20588eea45cSKlaus Jensen [NVME_NUMBER_OF_QUEUES] = NVME_FEAT_CAP_CHANGE, 20688eea45cSKlaus Jensen [NVME_ASYNCHRONOUS_EVENT_CONF] = NVME_FEAT_CAP_CHANGE, 20788eea45cSKlaus Jensen [NVME_TIMESTAMP] = NVME_FEAT_CAP_CHANGE, 20888eea45cSKlaus Jensen [NVME_COMMAND_SET_PROFILE] = NVME_FEAT_CAP_CHANGE, 20988eea45cSKlaus Jensen }; 21088eea45cSKlaus Jensen 21188eea45cSKlaus Jensen static const uint32_t nvme_cse_acs[256] = { 21288eea45cSKlaus Jensen [NVME_ADM_CMD_DELETE_SQ] = NVME_CMD_EFF_CSUPP, 21388eea45cSKlaus Jensen [NVME_ADM_CMD_CREATE_SQ] = NVME_CMD_EFF_CSUPP, 21488eea45cSKlaus Jensen [NVME_ADM_CMD_GET_LOG_PAGE] = NVME_CMD_EFF_CSUPP, 21588eea45cSKlaus Jensen [NVME_ADM_CMD_DELETE_CQ] = NVME_CMD_EFF_CSUPP, 21688eea45cSKlaus Jensen [NVME_ADM_CMD_CREATE_CQ] = NVME_CMD_EFF_CSUPP, 21788eea45cSKlaus Jensen [NVME_ADM_CMD_IDENTIFY] = NVME_CMD_EFF_CSUPP, 21888eea45cSKlaus Jensen [NVME_ADM_CMD_ABORT] = NVME_CMD_EFF_CSUPP, 21988eea45cSKlaus Jensen [NVME_ADM_CMD_SET_FEATURES] = NVME_CMD_EFF_CSUPP, 22088eea45cSKlaus Jensen [NVME_ADM_CMD_GET_FEATURES] = NVME_CMD_EFF_CSUPP, 22188eea45cSKlaus Jensen [NVME_ADM_CMD_ASYNC_EV_REQ] = NVME_CMD_EFF_CSUPP, 22288eea45cSKlaus Jensen [NVME_ADM_CMD_NS_ATTACHMENT] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_NIC, 22388eea45cSKlaus Jensen [NVME_ADM_CMD_FORMAT_NVM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 22488eea45cSKlaus Jensen }; 22588eea45cSKlaus Jensen 22688eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_none[256]; 22788eea45cSKlaus Jensen 22888eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_nvm[256] = { 22988eea45cSKlaus Jensen [NVME_CMD_FLUSH] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 23088eea45cSKlaus Jensen [NVME_CMD_WRITE_ZEROES] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 23188eea45cSKlaus Jensen [NVME_CMD_WRITE] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 23288eea45cSKlaus Jensen [NVME_CMD_READ] = NVME_CMD_EFF_CSUPP, 23388eea45cSKlaus Jensen [NVME_CMD_DSM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 23488eea45cSKlaus Jensen [NVME_CMD_VERIFY] = NVME_CMD_EFF_CSUPP, 23588eea45cSKlaus Jensen [NVME_CMD_COPY] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 23688eea45cSKlaus Jensen [NVME_CMD_COMPARE] = NVME_CMD_EFF_CSUPP, 23788eea45cSKlaus Jensen }; 23888eea45cSKlaus Jensen 23988eea45cSKlaus Jensen static const uint32_t nvme_cse_iocs_zoned[256] = { 24088eea45cSKlaus Jensen [NVME_CMD_FLUSH] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 24188eea45cSKlaus Jensen [NVME_CMD_WRITE_ZEROES] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 24288eea45cSKlaus Jensen [NVME_CMD_WRITE] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 24388eea45cSKlaus Jensen [NVME_CMD_READ] = NVME_CMD_EFF_CSUPP, 24488eea45cSKlaus Jensen [NVME_CMD_DSM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 24588eea45cSKlaus Jensen [NVME_CMD_VERIFY] = NVME_CMD_EFF_CSUPP, 24688eea45cSKlaus Jensen [NVME_CMD_COPY] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 24788eea45cSKlaus Jensen [NVME_CMD_COMPARE] = NVME_CMD_EFF_CSUPP, 24888eea45cSKlaus Jensen [NVME_CMD_ZONE_APPEND] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 24988eea45cSKlaus Jensen [NVME_CMD_ZONE_MGMT_SEND] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, 25088eea45cSKlaus Jensen [NVME_CMD_ZONE_MGMT_RECV] = NVME_CMD_EFF_CSUPP, 25188eea45cSKlaus Jensen }; 25288eea45cSKlaus Jensen 25388eea45cSKlaus Jensen static void nvme_process_sq(void *opaque); 25488eea45cSKlaus Jensen 25588eea45cSKlaus Jensen static uint16_t nvme_sqid(NvmeRequest *req) 25688eea45cSKlaus Jensen { 25788eea45cSKlaus Jensen return le16_to_cpu(req->sq->sqid); 25888eea45cSKlaus Jensen } 25988eea45cSKlaus Jensen 26088eea45cSKlaus Jensen static void nvme_assign_zone_state(NvmeNamespace *ns, NvmeZone *zone, 26188eea45cSKlaus Jensen NvmeZoneState state) 26288eea45cSKlaus Jensen { 26388eea45cSKlaus Jensen if (QTAILQ_IN_USE(zone, entry)) { 26488eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 26588eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 26688eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->exp_open_zones, zone, entry); 26788eea45cSKlaus Jensen break; 26888eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 26988eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->imp_open_zones, zone, entry); 27088eea45cSKlaus Jensen break; 27188eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 27288eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->closed_zones, zone, entry); 27388eea45cSKlaus Jensen break; 27488eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 27588eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->full_zones, zone, entry); 27688eea45cSKlaus Jensen default: 27788eea45cSKlaus Jensen ; 27888eea45cSKlaus Jensen } 27988eea45cSKlaus Jensen } 28088eea45cSKlaus Jensen 28188eea45cSKlaus Jensen nvme_set_zone_state(zone, state); 28288eea45cSKlaus Jensen 28388eea45cSKlaus Jensen switch (state) { 28488eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 28588eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->exp_open_zones, zone, entry); 28688eea45cSKlaus Jensen break; 28788eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 28888eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->imp_open_zones, zone, entry); 28988eea45cSKlaus Jensen break; 29088eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 29188eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->closed_zones, zone, entry); 29288eea45cSKlaus Jensen break; 29388eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 29488eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&ns->full_zones, zone, entry); 29588eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 29688eea45cSKlaus Jensen break; 29788eea45cSKlaus Jensen default: 29888eea45cSKlaus Jensen zone->d.za = 0; 29988eea45cSKlaus Jensen } 30088eea45cSKlaus Jensen } 30188eea45cSKlaus Jensen 30288eea45cSKlaus Jensen /* 30388eea45cSKlaus Jensen * Check if we can open a zone without exceeding open/active limits. 30488eea45cSKlaus Jensen * AOR stands for "Active and Open Resources" (see TP 4053 section 2.5). 30588eea45cSKlaus Jensen */ 30688eea45cSKlaus Jensen static int nvme_aor_check(NvmeNamespace *ns, uint32_t act, uint32_t opn) 30788eea45cSKlaus Jensen { 30888eea45cSKlaus Jensen if (ns->params.max_active_zones != 0 && 30988eea45cSKlaus Jensen ns->nr_active_zones + act > ns->params.max_active_zones) { 31088eea45cSKlaus Jensen trace_pci_nvme_err_insuff_active_res(ns->params.max_active_zones); 31188eea45cSKlaus Jensen return NVME_ZONE_TOO_MANY_ACTIVE | NVME_DNR; 31288eea45cSKlaus Jensen } 31388eea45cSKlaus Jensen if (ns->params.max_open_zones != 0 && 31488eea45cSKlaus Jensen ns->nr_open_zones + opn > ns->params.max_open_zones) { 31588eea45cSKlaus Jensen trace_pci_nvme_err_insuff_open_res(ns->params.max_open_zones); 31688eea45cSKlaus Jensen return NVME_ZONE_TOO_MANY_OPEN | NVME_DNR; 31788eea45cSKlaus Jensen } 31888eea45cSKlaus Jensen 31988eea45cSKlaus Jensen return NVME_SUCCESS; 32088eea45cSKlaus Jensen } 32188eea45cSKlaus Jensen 32288eea45cSKlaus Jensen static bool nvme_addr_is_cmb(NvmeCtrl *n, hwaddr addr) 32388eea45cSKlaus Jensen { 32488eea45cSKlaus Jensen hwaddr hi, lo; 32588eea45cSKlaus Jensen 32688eea45cSKlaus Jensen if (!n->cmb.cmse) { 32788eea45cSKlaus Jensen return false; 32888eea45cSKlaus Jensen } 32988eea45cSKlaus Jensen 33088eea45cSKlaus Jensen lo = n->params.legacy_cmb ? n->cmb.mem.addr : n->cmb.cba; 33188eea45cSKlaus Jensen hi = lo + int128_get64(n->cmb.mem.size); 33288eea45cSKlaus Jensen 33388eea45cSKlaus Jensen return addr >= lo && addr < hi; 33488eea45cSKlaus Jensen } 33588eea45cSKlaus Jensen 33688eea45cSKlaus Jensen static inline void *nvme_addr_to_cmb(NvmeCtrl *n, hwaddr addr) 33788eea45cSKlaus Jensen { 33888eea45cSKlaus Jensen hwaddr base = n->params.legacy_cmb ? n->cmb.mem.addr : n->cmb.cba; 33988eea45cSKlaus Jensen return &n->cmb.buf[addr - base]; 34088eea45cSKlaus Jensen } 34188eea45cSKlaus Jensen 34288eea45cSKlaus Jensen static bool nvme_addr_is_pmr(NvmeCtrl *n, hwaddr addr) 34388eea45cSKlaus Jensen { 34488eea45cSKlaus Jensen hwaddr hi; 34588eea45cSKlaus Jensen 34688eea45cSKlaus Jensen if (!n->pmr.cmse) { 34788eea45cSKlaus Jensen return false; 34888eea45cSKlaus Jensen } 34988eea45cSKlaus Jensen 35088eea45cSKlaus Jensen hi = n->pmr.cba + int128_get64(n->pmr.dev->mr.size); 35188eea45cSKlaus Jensen 35288eea45cSKlaus Jensen return addr >= n->pmr.cba && addr < hi; 35388eea45cSKlaus Jensen } 35488eea45cSKlaus Jensen 35588eea45cSKlaus Jensen static inline void *nvme_addr_to_pmr(NvmeCtrl *n, hwaddr addr) 35688eea45cSKlaus Jensen { 35788eea45cSKlaus Jensen return memory_region_get_ram_ptr(&n->pmr.dev->mr) + (addr - n->pmr.cba); 35888eea45cSKlaus Jensen } 35988eea45cSKlaus Jensen 360736b0164SKlaus Jensen static inline bool nvme_addr_is_iomem(NvmeCtrl *n, hwaddr addr) 361736b0164SKlaus Jensen { 362736b0164SKlaus Jensen hwaddr hi, lo; 363736b0164SKlaus Jensen 364736b0164SKlaus Jensen /* 365736b0164SKlaus Jensen * The purpose of this check is to guard against invalid "local" access to 366736b0164SKlaus Jensen * the iomem (i.e. controller registers). Thus, we check against the range 367736b0164SKlaus Jensen * covered by the 'bar0' MemoryRegion since that is currently composed of 368736b0164SKlaus Jensen * two subregions (the NVMe "MBAR" and the MSI-X table/pba). Note, however, 369736b0164SKlaus Jensen * that if the device model is ever changed to allow the CMB to be located 370736b0164SKlaus Jensen * in BAR0 as well, then this must be changed. 371736b0164SKlaus Jensen */ 372736b0164SKlaus Jensen lo = n->bar0.addr; 373736b0164SKlaus Jensen hi = lo + int128_get64(n->bar0.size); 374736b0164SKlaus Jensen 375736b0164SKlaus Jensen return addr >= lo && addr < hi; 376736b0164SKlaus Jensen } 377736b0164SKlaus Jensen 37888eea45cSKlaus Jensen static int nvme_addr_read(NvmeCtrl *n, hwaddr addr, void *buf, int size) 37988eea45cSKlaus Jensen { 38088eea45cSKlaus Jensen hwaddr hi = addr + size - 1; 38188eea45cSKlaus Jensen if (hi < addr) { 38288eea45cSKlaus Jensen return 1; 38388eea45cSKlaus Jensen } 38488eea45cSKlaus Jensen 38588eea45cSKlaus Jensen if (n->bar.cmbsz && nvme_addr_is_cmb(n, addr) && nvme_addr_is_cmb(n, hi)) { 38688eea45cSKlaus Jensen memcpy(buf, nvme_addr_to_cmb(n, addr), size); 38788eea45cSKlaus Jensen return 0; 38888eea45cSKlaus Jensen } 38988eea45cSKlaus Jensen 39088eea45cSKlaus Jensen if (nvme_addr_is_pmr(n, addr) && nvme_addr_is_pmr(n, hi)) { 39188eea45cSKlaus Jensen memcpy(buf, nvme_addr_to_pmr(n, addr), size); 39288eea45cSKlaus Jensen return 0; 39388eea45cSKlaus Jensen } 39488eea45cSKlaus Jensen 39588eea45cSKlaus Jensen return pci_dma_read(&n->parent_obj, addr, buf, size); 39688eea45cSKlaus Jensen } 39788eea45cSKlaus Jensen 398*e080ce86SPhilippe Mathieu-Daudé static int nvme_addr_write(NvmeCtrl *n, hwaddr addr, const void *buf, int size) 39988eea45cSKlaus Jensen { 40088eea45cSKlaus Jensen hwaddr hi = addr + size - 1; 40188eea45cSKlaus Jensen if (hi < addr) { 40288eea45cSKlaus Jensen return 1; 40388eea45cSKlaus Jensen } 40488eea45cSKlaus Jensen 40588eea45cSKlaus Jensen if (n->bar.cmbsz && nvme_addr_is_cmb(n, addr) && nvme_addr_is_cmb(n, hi)) { 40688eea45cSKlaus Jensen memcpy(nvme_addr_to_cmb(n, addr), buf, size); 40788eea45cSKlaus Jensen return 0; 40888eea45cSKlaus Jensen } 40988eea45cSKlaus Jensen 41088eea45cSKlaus Jensen if (nvme_addr_is_pmr(n, addr) && nvme_addr_is_pmr(n, hi)) { 41188eea45cSKlaus Jensen memcpy(nvme_addr_to_pmr(n, addr), buf, size); 41288eea45cSKlaus Jensen return 0; 41388eea45cSKlaus Jensen } 41488eea45cSKlaus Jensen 41588eea45cSKlaus Jensen return pci_dma_write(&n->parent_obj, addr, buf, size); 41688eea45cSKlaus Jensen } 41788eea45cSKlaus Jensen 41888eea45cSKlaus Jensen static bool nvme_nsid_valid(NvmeCtrl *n, uint32_t nsid) 41988eea45cSKlaus Jensen { 42088eea45cSKlaus Jensen return nsid && 42188eea45cSKlaus Jensen (nsid == NVME_NSID_BROADCAST || nsid <= NVME_MAX_NAMESPACES); 42288eea45cSKlaus Jensen } 42388eea45cSKlaus Jensen 42488eea45cSKlaus Jensen static int nvme_check_sqid(NvmeCtrl *n, uint16_t sqid) 42588eea45cSKlaus Jensen { 42688eea45cSKlaus Jensen return sqid < n->params.max_ioqpairs + 1 && n->sq[sqid] != NULL ? 0 : -1; 42788eea45cSKlaus Jensen } 42888eea45cSKlaus Jensen 42988eea45cSKlaus Jensen static int nvme_check_cqid(NvmeCtrl *n, uint16_t cqid) 43088eea45cSKlaus Jensen { 43188eea45cSKlaus Jensen return cqid < n->params.max_ioqpairs + 1 && n->cq[cqid] != NULL ? 0 : -1; 43288eea45cSKlaus Jensen } 43388eea45cSKlaus Jensen 43488eea45cSKlaus Jensen static void nvme_inc_cq_tail(NvmeCQueue *cq) 43588eea45cSKlaus Jensen { 43688eea45cSKlaus Jensen cq->tail++; 43788eea45cSKlaus Jensen if (cq->tail >= cq->size) { 43888eea45cSKlaus Jensen cq->tail = 0; 43988eea45cSKlaus Jensen cq->phase = !cq->phase; 44088eea45cSKlaus Jensen } 44188eea45cSKlaus Jensen } 44288eea45cSKlaus Jensen 44388eea45cSKlaus Jensen static void nvme_inc_sq_head(NvmeSQueue *sq) 44488eea45cSKlaus Jensen { 44588eea45cSKlaus Jensen sq->head = (sq->head + 1) % sq->size; 44688eea45cSKlaus Jensen } 44788eea45cSKlaus Jensen 44888eea45cSKlaus Jensen static uint8_t nvme_cq_full(NvmeCQueue *cq) 44988eea45cSKlaus Jensen { 45088eea45cSKlaus Jensen return (cq->tail + 1) % cq->size == cq->head; 45188eea45cSKlaus Jensen } 45288eea45cSKlaus Jensen 45388eea45cSKlaus Jensen static uint8_t nvme_sq_empty(NvmeSQueue *sq) 45488eea45cSKlaus Jensen { 45588eea45cSKlaus Jensen return sq->head == sq->tail; 45688eea45cSKlaus Jensen } 45788eea45cSKlaus Jensen 45888eea45cSKlaus Jensen static void nvme_irq_check(NvmeCtrl *n) 45988eea45cSKlaus Jensen { 46049e03457SKlaus Jensen uint32_t intms = ldl_le_p(&n->bar.intms); 46149e03457SKlaus Jensen 46288eea45cSKlaus Jensen if (msix_enabled(&(n->parent_obj))) { 46388eea45cSKlaus Jensen return; 46488eea45cSKlaus Jensen } 46549e03457SKlaus Jensen if (~intms & n->irq_status) { 46688eea45cSKlaus Jensen pci_irq_assert(&n->parent_obj); 46788eea45cSKlaus Jensen } else { 46888eea45cSKlaus Jensen pci_irq_deassert(&n->parent_obj); 46988eea45cSKlaus Jensen } 47088eea45cSKlaus Jensen } 47188eea45cSKlaus Jensen 47288eea45cSKlaus Jensen static void nvme_irq_assert(NvmeCtrl *n, NvmeCQueue *cq) 47388eea45cSKlaus Jensen { 47488eea45cSKlaus Jensen if (cq->irq_enabled) { 47588eea45cSKlaus Jensen if (msix_enabled(&(n->parent_obj))) { 47688eea45cSKlaus Jensen trace_pci_nvme_irq_msix(cq->vector); 47788eea45cSKlaus Jensen msix_notify(&(n->parent_obj), cq->vector); 47888eea45cSKlaus Jensen } else { 47988eea45cSKlaus Jensen trace_pci_nvme_irq_pin(); 48088eea45cSKlaus Jensen assert(cq->vector < 32); 48188eea45cSKlaus Jensen n->irq_status |= 1 << cq->vector; 48288eea45cSKlaus Jensen nvme_irq_check(n); 48388eea45cSKlaus Jensen } 48488eea45cSKlaus Jensen } else { 48588eea45cSKlaus Jensen trace_pci_nvme_irq_masked(); 48688eea45cSKlaus Jensen } 48788eea45cSKlaus Jensen } 48888eea45cSKlaus Jensen 48988eea45cSKlaus Jensen static void nvme_irq_deassert(NvmeCtrl *n, NvmeCQueue *cq) 49088eea45cSKlaus Jensen { 49188eea45cSKlaus Jensen if (cq->irq_enabled) { 49288eea45cSKlaus Jensen if (msix_enabled(&(n->parent_obj))) { 49388eea45cSKlaus Jensen return; 49488eea45cSKlaus Jensen } else { 49588eea45cSKlaus Jensen assert(cq->vector < 32); 49683d7ed5cSKlaus Jensen if (!n->cq_pending) { 49788eea45cSKlaus Jensen n->irq_status &= ~(1 << cq->vector); 49883d7ed5cSKlaus Jensen } 49988eea45cSKlaus Jensen nvme_irq_check(n); 50088eea45cSKlaus Jensen } 50188eea45cSKlaus Jensen } 50288eea45cSKlaus Jensen } 50388eea45cSKlaus Jensen 50488eea45cSKlaus Jensen static void nvme_req_clear(NvmeRequest *req) 50588eea45cSKlaus Jensen { 50688eea45cSKlaus Jensen req->ns = NULL; 50788eea45cSKlaus Jensen req->opaque = NULL; 50888eea45cSKlaus Jensen req->aiocb = NULL; 50988eea45cSKlaus Jensen memset(&req->cqe, 0x0, sizeof(req->cqe)); 51088eea45cSKlaus Jensen req->status = NVME_SUCCESS; 51188eea45cSKlaus Jensen } 51288eea45cSKlaus Jensen 51388eea45cSKlaus Jensen static inline void nvme_sg_init(NvmeCtrl *n, NvmeSg *sg, bool dma) 51488eea45cSKlaus Jensen { 51588eea45cSKlaus Jensen if (dma) { 51688eea45cSKlaus Jensen pci_dma_sglist_init(&sg->qsg, &n->parent_obj, 0); 51788eea45cSKlaus Jensen sg->flags = NVME_SG_DMA; 51888eea45cSKlaus Jensen } else { 51988eea45cSKlaus Jensen qemu_iovec_init(&sg->iov, 0); 52088eea45cSKlaus Jensen } 52188eea45cSKlaus Jensen 52288eea45cSKlaus Jensen sg->flags |= NVME_SG_ALLOC; 52388eea45cSKlaus Jensen } 52488eea45cSKlaus Jensen 52588eea45cSKlaus Jensen static inline void nvme_sg_unmap(NvmeSg *sg) 52688eea45cSKlaus Jensen { 52788eea45cSKlaus Jensen if (!(sg->flags & NVME_SG_ALLOC)) { 52888eea45cSKlaus Jensen return; 52988eea45cSKlaus Jensen } 53088eea45cSKlaus Jensen 53188eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 53288eea45cSKlaus Jensen qemu_sglist_destroy(&sg->qsg); 53388eea45cSKlaus Jensen } else { 53488eea45cSKlaus Jensen qemu_iovec_destroy(&sg->iov); 53588eea45cSKlaus Jensen } 53688eea45cSKlaus Jensen 53788eea45cSKlaus Jensen memset(sg, 0x0, sizeof(*sg)); 53888eea45cSKlaus Jensen } 53988eea45cSKlaus Jensen 54088eea45cSKlaus Jensen /* 54188eea45cSKlaus Jensen * When metadata is transfered as extended LBAs, the DPTR mapped into `sg` 54288eea45cSKlaus Jensen * holds both data and metadata. This function splits the data and metadata 54388eea45cSKlaus Jensen * into two separate QSG/IOVs. 54488eea45cSKlaus Jensen */ 54588eea45cSKlaus Jensen static void nvme_sg_split(NvmeSg *sg, NvmeNamespace *ns, NvmeSg *data, 54688eea45cSKlaus Jensen NvmeSg *mdata) 54788eea45cSKlaus Jensen { 54888eea45cSKlaus Jensen NvmeSg *dst = data; 54988eea45cSKlaus Jensen uint32_t trans_len, count = ns->lbasz; 55088eea45cSKlaus Jensen uint64_t offset = 0; 55188eea45cSKlaus Jensen bool dma = sg->flags & NVME_SG_DMA; 55288eea45cSKlaus Jensen size_t sge_len; 55388eea45cSKlaus Jensen size_t sg_len = dma ? sg->qsg.size : sg->iov.size; 55488eea45cSKlaus Jensen int sg_idx = 0; 55588eea45cSKlaus Jensen 55688eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 55788eea45cSKlaus Jensen 55888eea45cSKlaus Jensen while (sg_len) { 55988eea45cSKlaus Jensen sge_len = dma ? sg->qsg.sg[sg_idx].len : sg->iov.iov[sg_idx].iov_len; 56088eea45cSKlaus Jensen 56188eea45cSKlaus Jensen trans_len = MIN(sg_len, count); 56288eea45cSKlaus Jensen trans_len = MIN(trans_len, sge_len - offset); 56388eea45cSKlaus Jensen 56488eea45cSKlaus Jensen if (dst) { 56588eea45cSKlaus Jensen if (dma) { 56688eea45cSKlaus Jensen qemu_sglist_add(&dst->qsg, sg->qsg.sg[sg_idx].base + offset, 56788eea45cSKlaus Jensen trans_len); 56888eea45cSKlaus Jensen } else { 56988eea45cSKlaus Jensen qemu_iovec_add(&dst->iov, 57088eea45cSKlaus Jensen sg->iov.iov[sg_idx].iov_base + offset, 57188eea45cSKlaus Jensen trans_len); 57288eea45cSKlaus Jensen } 57388eea45cSKlaus Jensen } 57488eea45cSKlaus Jensen 57588eea45cSKlaus Jensen sg_len -= trans_len; 57688eea45cSKlaus Jensen count -= trans_len; 57788eea45cSKlaus Jensen offset += trans_len; 57888eea45cSKlaus Jensen 57988eea45cSKlaus Jensen if (count == 0) { 58088eea45cSKlaus Jensen dst = (dst == data) ? mdata : data; 58188eea45cSKlaus Jensen count = (dst == data) ? ns->lbasz : ns->lbaf.ms; 58288eea45cSKlaus Jensen } 58388eea45cSKlaus Jensen 58488eea45cSKlaus Jensen if (sge_len == offset) { 58588eea45cSKlaus Jensen offset = 0; 58688eea45cSKlaus Jensen sg_idx++; 58788eea45cSKlaus Jensen } 58888eea45cSKlaus Jensen } 58988eea45cSKlaus Jensen } 59088eea45cSKlaus Jensen 59188eea45cSKlaus Jensen static uint16_t nvme_map_addr_cmb(NvmeCtrl *n, QEMUIOVector *iov, hwaddr addr, 59288eea45cSKlaus Jensen size_t len) 59388eea45cSKlaus Jensen { 59488eea45cSKlaus Jensen if (!len) { 59588eea45cSKlaus Jensen return NVME_SUCCESS; 59688eea45cSKlaus Jensen } 59788eea45cSKlaus Jensen 59888eea45cSKlaus Jensen trace_pci_nvme_map_addr_cmb(addr, len); 59988eea45cSKlaus Jensen 60088eea45cSKlaus Jensen if (!nvme_addr_is_cmb(n, addr) || !nvme_addr_is_cmb(n, addr + len - 1)) { 60188eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 60288eea45cSKlaus Jensen } 60388eea45cSKlaus Jensen 60488eea45cSKlaus Jensen qemu_iovec_add(iov, nvme_addr_to_cmb(n, addr), len); 60588eea45cSKlaus Jensen 60688eea45cSKlaus Jensen return NVME_SUCCESS; 60788eea45cSKlaus Jensen } 60888eea45cSKlaus Jensen 60988eea45cSKlaus Jensen static uint16_t nvme_map_addr_pmr(NvmeCtrl *n, QEMUIOVector *iov, hwaddr addr, 61088eea45cSKlaus Jensen size_t len) 61188eea45cSKlaus Jensen { 61288eea45cSKlaus Jensen if (!len) { 61388eea45cSKlaus Jensen return NVME_SUCCESS; 61488eea45cSKlaus Jensen } 61588eea45cSKlaus Jensen 61688eea45cSKlaus Jensen if (!nvme_addr_is_pmr(n, addr) || !nvme_addr_is_pmr(n, addr + len - 1)) { 61788eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 61888eea45cSKlaus Jensen } 61988eea45cSKlaus Jensen 62088eea45cSKlaus Jensen qemu_iovec_add(iov, nvme_addr_to_pmr(n, addr), len); 62188eea45cSKlaus Jensen 62288eea45cSKlaus Jensen return NVME_SUCCESS; 62388eea45cSKlaus Jensen } 62488eea45cSKlaus Jensen 62588eea45cSKlaus Jensen static uint16_t nvme_map_addr(NvmeCtrl *n, NvmeSg *sg, hwaddr addr, size_t len) 62688eea45cSKlaus Jensen { 62788eea45cSKlaus Jensen bool cmb = false, pmr = false; 62888eea45cSKlaus Jensen 62988eea45cSKlaus Jensen if (!len) { 63088eea45cSKlaus Jensen return NVME_SUCCESS; 63188eea45cSKlaus Jensen } 63288eea45cSKlaus Jensen 63388eea45cSKlaus Jensen trace_pci_nvme_map_addr(addr, len); 63488eea45cSKlaus Jensen 635736b0164SKlaus Jensen if (nvme_addr_is_iomem(n, addr)) { 636736b0164SKlaus Jensen return NVME_DATA_TRAS_ERROR; 637736b0164SKlaus Jensen } 638736b0164SKlaus Jensen 63988eea45cSKlaus Jensen if (nvme_addr_is_cmb(n, addr)) { 64088eea45cSKlaus Jensen cmb = true; 64188eea45cSKlaus Jensen } else if (nvme_addr_is_pmr(n, addr)) { 64288eea45cSKlaus Jensen pmr = true; 64388eea45cSKlaus Jensen } 64488eea45cSKlaus Jensen 64588eea45cSKlaus Jensen if (cmb || pmr) { 64688eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 64788eea45cSKlaus Jensen return NVME_INVALID_USE_OF_CMB | NVME_DNR; 64888eea45cSKlaus Jensen } 64988eea45cSKlaus Jensen 65023421473SPadmakar Kalghatgi if (sg->iov.niov + 1 > IOV_MAX) { 65123421473SPadmakar Kalghatgi goto max_mappings_exceeded; 65223421473SPadmakar Kalghatgi } 65323421473SPadmakar Kalghatgi 65488eea45cSKlaus Jensen if (cmb) { 65588eea45cSKlaus Jensen return nvme_map_addr_cmb(n, &sg->iov, addr, len); 65688eea45cSKlaus Jensen } else { 65788eea45cSKlaus Jensen return nvme_map_addr_pmr(n, &sg->iov, addr, len); 65888eea45cSKlaus Jensen } 65988eea45cSKlaus Jensen } 66088eea45cSKlaus Jensen 66188eea45cSKlaus Jensen if (!(sg->flags & NVME_SG_DMA)) { 66288eea45cSKlaus Jensen return NVME_INVALID_USE_OF_CMB | NVME_DNR; 66388eea45cSKlaus Jensen } 66488eea45cSKlaus Jensen 66523421473SPadmakar Kalghatgi if (sg->qsg.nsg + 1 > IOV_MAX) { 66623421473SPadmakar Kalghatgi goto max_mappings_exceeded; 66723421473SPadmakar Kalghatgi } 66823421473SPadmakar Kalghatgi 66988eea45cSKlaus Jensen qemu_sglist_add(&sg->qsg, addr, len); 67088eea45cSKlaus Jensen 67188eea45cSKlaus Jensen return NVME_SUCCESS; 67223421473SPadmakar Kalghatgi 67323421473SPadmakar Kalghatgi max_mappings_exceeded: 67423421473SPadmakar Kalghatgi NVME_GUEST_ERR(pci_nvme_ub_too_many_mappings, 67523421473SPadmakar Kalghatgi "number of mappings exceed 1024"); 67623421473SPadmakar Kalghatgi return NVME_INTERNAL_DEV_ERROR | NVME_DNR; 67788eea45cSKlaus Jensen } 67888eea45cSKlaus Jensen 67988eea45cSKlaus Jensen static inline bool nvme_addr_is_dma(NvmeCtrl *n, hwaddr addr) 68088eea45cSKlaus Jensen { 68188eea45cSKlaus Jensen return !(nvme_addr_is_cmb(n, addr) || nvme_addr_is_pmr(n, addr)); 68288eea45cSKlaus Jensen } 68388eea45cSKlaus Jensen 68488eea45cSKlaus Jensen static uint16_t nvme_map_prp(NvmeCtrl *n, NvmeSg *sg, uint64_t prp1, 68588eea45cSKlaus Jensen uint64_t prp2, uint32_t len) 68688eea45cSKlaus Jensen { 68788eea45cSKlaus Jensen hwaddr trans_len = n->page_size - (prp1 % n->page_size); 68888eea45cSKlaus Jensen trans_len = MIN(len, trans_len); 68988eea45cSKlaus Jensen int num_prps = (len >> n->page_bits) + 1; 69088eea45cSKlaus Jensen uint16_t status; 69188eea45cSKlaus Jensen int ret; 69288eea45cSKlaus Jensen 69388eea45cSKlaus Jensen trace_pci_nvme_map_prp(trans_len, len, prp1, prp2, num_prps); 69488eea45cSKlaus Jensen 69588eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, prp1)); 69688eea45cSKlaus Jensen 69788eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp1, trans_len); 69888eea45cSKlaus Jensen if (status) { 69988eea45cSKlaus Jensen goto unmap; 70088eea45cSKlaus Jensen } 70188eea45cSKlaus Jensen 70288eea45cSKlaus Jensen len -= trans_len; 70388eea45cSKlaus Jensen if (len) { 70488eea45cSKlaus Jensen if (len > n->page_size) { 70588eea45cSKlaus Jensen uint64_t prp_list[n->max_prp_ents]; 70688eea45cSKlaus Jensen uint32_t nents, prp_trans; 70788eea45cSKlaus Jensen int i = 0; 70888eea45cSKlaus Jensen 70988eea45cSKlaus Jensen /* 71088eea45cSKlaus Jensen * The first PRP list entry, pointed to by PRP2 may contain offset. 71188eea45cSKlaus Jensen * Hence, we need to calculate the number of entries in based on 71288eea45cSKlaus Jensen * that offset. 71388eea45cSKlaus Jensen */ 71488eea45cSKlaus Jensen nents = (n->page_size - (prp2 & (n->page_size - 1))) >> 3; 71588eea45cSKlaus Jensen prp_trans = MIN(n->max_prp_ents, nents) * sizeof(uint64_t); 71688eea45cSKlaus Jensen ret = nvme_addr_read(n, prp2, (void *)prp_list, prp_trans); 71788eea45cSKlaus Jensen if (ret) { 71888eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(prp2); 71988eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 72088eea45cSKlaus Jensen goto unmap; 72188eea45cSKlaus Jensen } 72288eea45cSKlaus Jensen while (len != 0) { 72388eea45cSKlaus Jensen uint64_t prp_ent = le64_to_cpu(prp_list[i]); 72488eea45cSKlaus Jensen 72588eea45cSKlaus Jensen if (i == nents - 1 && len > n->page_size) { 72688eea45cSKlaus Jensen if (unlikely(prp_ent & (n->page_size - 1))) { 72788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prplist_ent(prp_ent); 72888eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 72988eea45cSKlaus Jensen goto unmap; 73088eea45cSKlaus Jensen } 73188eea45cSKlaus Jensen 73288eea45cSKlaus Jensen i = 0; 73388eea45cSKlaus Jensen nents = (len + n->page_size - 1) >> n->page_bits; 73488eea45cSKlaus Jensen nents = MIN(nents, n->max_prp_ents); 73588eea45cSKlaus Jensen prp_trans = nents * sizeof(uint64_t); 73688eea45cSKlaus Jensen ret = nvme_addr_read(n, prp_ent, (void *)prp_list, 73788eea45cSKlaus Jensen prp_trans); 73888eea45cSKlaus Jensen if (ret) { 73988eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(prp_ent); 74088eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 74188eea45cSKlaus Jensen goto unmap; 74288eea45cSKlaus Jensen } 74388eea45cSKlaus Jensen prp_ent = le64_to_cpu(prp_list[i]); 74488eea45cSKlaus Jensen } 74588eea45cSKlaus Jensen 74688eea45cSKlaus Jensen if (unlikely(prp_ent & (n->page_size - 1))) { 74788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prplist_ent(prp_ent); 74888eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 74988eea45cSKlaus Jensen goto unmap; 75088eea45cSKlaus Jensen } 75188eea45cSKlaus Jensen 75288eea45cSKlaus Jensen trans_len = MIN(len, n->page_size); 75388eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp_ent, trans_len); 75488eea45cSKlaus Jensen if (status) { 75588eea45cSKlaus Jensen goto unmap; 75688eea45cSKlaus Jensen } 75788eea45cSKlaus Jensen 75888eea45cSKlaus Jensen len -= trans_len; 75988eea45cSKlaus Jensen i++; 76088eea45cSKlaus Jensen } 76188eea45cSKlaus Jensen } else { 76288eea45cSKlaus Jensen if (unlikely(prp2 & (n->page_size - 1))) { 76388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_prp2_align(prp2); 76488eea45cSKlaus Jensen status = NVME_INVALID_PRP_OFFSET | NVME_DNR; 76588eea45cSKlaus Jensen goto unmap; 76688eea45cSKlaus Jensen } 76788eea45cSKlaus Jensen status = nvme_map_addr(n, sg, prp2, len); 76888eea45cSKlaus Jensen if (status) { 76988eea45cSKlaus Jensen goto unmap; 77088eea45cSKlaus Jensen } 77188eea45cSKlaus Jensen } 77288eea45cSKlaus Jensen } 77388eea45cSKlaus Jensen 77488eea45cSKlaus Jensen return NVME_SUCCESS; 77588eea45cSKlaus Jensen 77688eea45cSKlaus Jensen unmap: 77788eea45cSKlaus Jensen nvme_sg_unmap(sg); 77888eea45cSKlaus Jensen return status; 77988eea45cSKlaus Jensen } 78088eea45cSKlaus Jensen 78188eea45cSKlaus Jensen /* 78288eea45cSKlaus Jensen * Map 'nsgld' data descriptors from 'segment'. The function will subtract the 78388eea45cSKlaus Jensen * number of bytes mapped in len. 78488eea45cSKlaus Jensen */ 78588eea45cSKlaus Jensen static uint16_t nvme_map_sgl_data(NvmeCtrl *n, NvmeSg *sg, 78688eea45cSKlaus Jensen NvmeSglDescriptor *segment, uint64_t nsgld, 78788eea45cSKlaus Jensen size_t *len, NvmeCmd *cmd) 78888eea45cSKlaus Jensen { 78988eea45cSKlaus Jensen dma_addr_t addr, trans_len; 79088eea45cSKlaus Jensen uint32_t dlen; 79188eea45cSKlaus Jensen uint16_t status; 79288eea45cSKlaus Jensen 79388eea45cSKlaus Jensen for (int i = 0; i < nsgld; i++) { 79488eea45cSKlaus Jensen uint8_t type = NVME_SGL_TYPE(segment[i].type); 79588eea45cSKlaus Jensen 79688eea45cSKlaus Jensen switch (type) { 79788eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_BIT_BUCKET: 79888eea45cSKlaus Jensen if (cmd->opcode == NVME_CMD_WRITE) { 79988eea45cSKlaus Jensen continue; 80088eea45cSKlaus Jensen } 80188eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_DATA_BLOCK: 80288eea45cSKlaus Jensen break; 80388eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_SEGMENT: 80488eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_LAST_SEGMENT: 80588eea45cSKlaus Jensen return NVME_INVALID_NUM_SGL_DESCRS | NVME_DNR; 80688eea45cSKlaus Jensen default: 80788eea45cSKlaus Jensen return NVME_SGL_DESCR_TYPE_INVALID | NVME_DNR; 80888eea45cSKlaus Jensen } 80988eea45cSKlaus Jensen 81088eea45cSKlaus Jensen dlen = le32_to_cpu(segment[i].len); 81188eea45cSKlaus Jensen 81288eea45cSKlaus Jensen if (!dlen) { 81388eea45cSKlaus Jensen continue; 81488eea45cSKlaus Jensen } 81588eea45cSKlaus Jensen 81688eea45cSKlaus Jensen if (*len == 0) { 81788eea45cSKlaus Jensen /* 81888eea45cSKlaus Jensen * All data has been mapped, but the SGL contains additional 81988eea45cSKlaus Jensen * segments and/or descriptors. The controller might accept 82088eea45cSKlaus Jensen * ignoring the rest of the SGL. 82188eea45cSKlaus Jensen */ 82288eea45cSKlaus Jensen uint32_t sgls = le32_to_cpu(n->id_ctrl.sgls); 82388eea45cSKlaus Jensen if (sgls & NVME_CTRL_SGLS_EXCESS_LENGTH) { 82488eea45cSKlaus Jensen break; 82588eea45cSKlaus Jensen } 82688eea45cSKlaus Jensen 82788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_sgl_excess_length(dlen); 82888eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 82988eea45cSKlaus Jensen } 83088eea45cSKlaus Jensen 83188eea45cSKlaus Jensen trans_len = MIN(*len, dlen); 83288eea45cSKlaus Jensen 83388eea45cSKlaus Jensen if (type == NVME_SGL_DESCR_TYPE_BIT_BUCKET) { 83488eea45cSKlaus Jensen goto next; 83588eea45cSKlaus Jensen } 83688eea45cSKlaus Jensen 83788eea45cSKlaus Jensen addr = le64_to_cpu(segment[i].addr); 83888eea45cSKlaus Jensen 83988eea45cSKlaus Jensen if (UINT64_MAX - addr < dlen) { 84088eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 84188eea45cSKlaus Jensen } 84288eea45cSKlaus Jensen 84388eea45cSKlaus Jensen status = nvme_map_addr(n, sg, addr, trans_len); 84488eea45cSKlaus Jensen if (status) { 84588eea45cSKlaus Jensen return status; 84688eea45cSKlaus Jensen } 84788eea45cSKlaus Jensen 84888eea45cSKlaus Jensen next: 84988eea45cSKlaus Jensen *len -= trans_len; 85088eea45cSKlaus Jensen } 85188eea45cSKlaus Jensen 85288eea45cSKlaus Jensen return NVME_SUCCESS; 85388eea45cSKlaus Jensen } 85488eea45cSKlaus Jensen 85588eea45cSKlaus Jensen static uint16_t nvme_map_sgl(NvmeCtrl *n, NvmeSg *sg, NvmeSglDescriptor sgl, 85688eea45cSKlaus Jensen size_t len, NvmeCmd *cmd) 85788eea45cSKlaus Jensen { 85888eea45cSKlaus Jensen /* 85988eea45cSKlaus Jensen * Read the segment in chunks of 256 descriptors (one 4k page) to avoid 86088eea45cSKlaus Jensen * dynamically allocating a potentially huge SGL. The spec allows the SGL 86188eea45cSKlaus Jensen * to be larger (as in number of bytes required to describe the SGL 86288eea45cSKlaus Jensen * descriptors and segment chain) than the command transfer size, so it is 86388eea45cSKlaus Jensen * not bounded by MDTS. 86488eea45cSKlaus Jensen */ 86588eea45cSKlaus Jensen const int SEG_CHUNK_SIZE = 256; 86688eea45cSKlaus Jensen 86788eea45cSKlaus Jensen NvmeSglDescriptor segment[SEG_CHUNK_SIZE], *sgld, *last_sgld; 86888eea45cSKlaus Jensen uint64_t nsgld; 86988eea45cSKlaus Jensen uint32_t seg_len; 87088eea45cSKlaus Jensen uint16_t status; 87188eea45cSKlaus Jensen hwaddr addr; 87288eea45cSKlaus Jensen int ret; 87388eea45cSKlaus Jensen 87488eea45cSKlaus Jensen sgld = &sgl; 87588eea45cSKlaus Jensen addr = le64_to_cpu(sgl.addr); 87688eea45cSKlaus Jensen 87788eea45cSKlaus Jensen trace_pci_nvme_map_sgl(NVME_SGL_TYPE(sgl.type), len); 87888eea45cSKlaus Jensen 87988eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, addr)); 88088eea45cSKlaus Jensen 88188eea45cSKlaus Jensen /* 88288eea45cSKlaus Jensen * If the entire transfer can be described with a single data block it can 88388eea45cSKlaus Jensen * be mapped directly. 88488eea45cSKlaus Jensen */ 88588eea45cSKlaus Jensen if (NVME_SGL_TYPE(sgl.type) == NVME_SGL_DESCR_TYPE_DATA_BLOCK) { 88688eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, sgld, 1, &len, cmd); 88788eea45cSKlaus Jensen if (status) { 88888eea45cSKlaus Jensen goto unmap; 88988eea45cSKlaus Jensen } 89088eea45cSKlaus Jensen 89188eea45cSKlaus Jensen goto out; 89288eea45cSKlaus Jensen } 89388eea45cSKlaus Jensen 89488eea45cSKlaus Jensen for (;;) { 89588eea45cSKlaus Jensen switch (NVME_SGL_TYPE(sgld->type)) { 89688eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_SEGMENT: 89788eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_LAST_SEGMENT: 89888eea45cSKlaus Jensen break; 89988eea45cSKlaus Jensen default: 90088eea45cSKlaus Jensen return NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 90188eea45cSKlaus Jensen } 90288eea45cSKlaus Jensen 90388eea45cSKlaus Jensen seg_len = le32_to_cpu(sgld->len); 90488eea45cSKlaus Jensen 90588eea45cSKlaus Jensen /* check the length of the (Last) Segment descriptor */ 90688eea45cSKlaus Jensen if ((!seg_len || seg_len & 0xf) && 90788eea45cSKlaus Jensen (NVME_SGL_TYPE(sgld->type) != NVME_SGL_DESCR_TYPE_BIT_BUCKET)) { 90888eea45cSKlaus Jensen return NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 90988eea45cSKlaus Jensen } 91088eea45cSKlaus Jensen 91188eea45cSKlaus Jensen if (UINT64_MAX - addr < seg_len) { 91288eea45cSKlaus Jensen return NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 91388eea45cSKlaus Jensen } 91488eea45cSKlaus Jensen 91588eea45cSKlaus Jensen nsgld = seg_len / sizeof(NvmeSglDescriptor); 91688eea45cSKlaus Jensen 91788eea45cSKlaus Jensen while (nsgld > SEG_CHUNK_SIZE) { 91888eea45cSKlaus Jensen if (nvme_addr_read(n, addr, segment, sizeof(segment))) { 91988eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 92088eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 92188eea45cSKlaus Jensen goto unmap; 92288eea45cSKlaus Jensen } 92388eea45cSKlaus Jensen 92488eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, SEG_CHUNK_SIZE, 92588eea45cSKlaus Jensen &len, cmd); 92688eea45cSKlaus Jensen if (status) { 92788eea45cSKlaus Jensen goto unmap; 92888eea45cSKlaus Jensen } 92988eea45cSKlaus Jensen 93088eea45cSKlaus Jensen nsgld -= SEG_CHUNK_SIZE; 93188eea45cSKlaus Jensen addr += SEG_CHUNK_SIZE * sizeof(NvmeSglDescriptor); 93288eea45cSKlaus Jensen } 93388eea45cSKlaus Jensen 93488eea45cSKlaus Jensen ret = nvme_addr_read(n, addr, segment, nsgld * 93588eea45cSKlaus Jensen sizeof(NvmeSglDescriptor)); 93688eea45cSKlaus Jensen if (ret) { 93788eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 93888eea45cSKlaus Jensen status = NVME_DATA_TRAS_ERROR; 93988eea45cSKlaus Jensen goto unmap; 94088eea45cSKlaus Jensen } 94188eea45cSKlaus Jensen 94288eea45cSKlaus Jensen last_sgld = &segment[nsgld - 1]; 94388eea45cSKlaus Jensen 94488eea45cSKlaus Jensen /* 94588eea45cSKlaus Jensen * If the segment ends with a Data Block or Bit Bucket Descriptor Type, 94688eea45cSKlaus Jensen * then we are done. 94788eea45cSKlaus Jensen */ 94888eea45cSKlaus Jensen switch (NVME_SGL_TYPE(last_sgld->type)) { 94988eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_DATA_BLOCK: 95088eea45cSKlaus Jensen case NVME_SGL_DESCR_TYPE_BIT_BUCKET: 95188eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, nsgld, &len, cmd); 95288eea45cSKlaus Jensen if (status) { 95388eea45cSKlaus Jensen goto unmap; 95488eea45cSKlaus Jensen } 95588eea45cSKlaus Jensen 95688eea45cSKlaus Jensen goto out; 95788eea45cSKlaus Jensen 95888eea45cSKlaus Jensen default: 95988eea45cSKlaus Jensen break; 96088eea45cSKlaus Jensen } 96188eea45cSKlaus Jensen 96288eea45cSKlaus Jensen /* 96388eea45cSKlaus Jensen * If the last descriptor was not a Data Block or Bit Bucket, then the 96488eea45cSKlaus Jensen * current segment must not be a Last Segment. 96588eea45cSKlaus Jensen */ 96688eea45cSKlaus Jensen if (NVME_SGL_TYPE(sgld->type) == NVME_SGL_DESCR_TYPE_LAST_SEGMENT) { 96788eea45cSKlaus Jensen status = NVME_INVALID_SGL_SEG_DESCR | NVME_DNR; 96888eea45cSKlaus Jensen goto unmap; 96988eea45cSKlaus Jensen } 97088eea45cSKlaus Jensen 97188eea45cSKlaus Jensen sgld = last_sgld; 97288eea45cSKlaus Jensen addr = le64_to_cpu(sgld->addr); 97388eea45cSKlaus Jensen 97488eea45cSKlaus Jensen /* 97588eea45cSKlaus Jensen * Do not map the last descriptor; it will be a Segment or Last Segment 97688eea45cSKlaus Jensen * descriptor and is handled by the next iteration. 97788eea45cSKlaus Jensen */ 97888eea45cSKlaus Jensen status = nvme_map_sgl_data(n, sg, segment, nsgld - 1, &len, cmd); 97988eea45cSKlaus Jensen if (status) { 98088eea45cSKlaus Jensen goto unmap; 98188eea45cSKlaus Jensen } 98288eea45cSKlaus Jensen } 98388eea45cSKlaus Jensen 98488eea45cSKlaus Jensen out: 98588eea45cSKlaus Jensen /* if there is any residual left in len, the SGL was too short */ 98688eea45cSKlaus Jensen if (len) { 98788eea45cSKlaus Jensen status = NVME_DATA_SGL_LEN_INVALID | NVME_DNR; 98888eea45cSKlaus Jensen goto unmap; 98988eea45cSKlaus Jensen } 99088eea45cSKlaus Jensen 99188eea45cSKlaus Jensen return NVME_SUCCESS; 99288eea45cSKlaus Jensen 99388eea45cSKlaus Jensen unmap: 99488eea45cSKlaus Jensen nvme_sg_unmap(sg); 99588eea45cSKlaus Jensen return status; 99688eea45cSKlaus Jensen } 99788eea45cSKlaus Jensen 99888eea45cSKlaus Jensen uint16_t nvme_map_dptr(NvmeCtrl *n, NvmeSg *sg, size_t len, 99988eea45cSKlaus Jensen NvmeCmd *cmd) 100088eea45cSKlaus Jensen { 100188eea45cSKlaus Jensen uint64_t prp1, prp2; 100288eea45cSKlaus Jensen 100388eea45cSKlaus Jensen switch (NVME_CMD_FLAGS_PSDT(cmd->flags)) { 100488eea45cSKlaus Jensen case NVME_PSDT_PRP: 100588eea45cSKlaus Jensen prp1 = le64_to_cpu(cmd->dptr.prp1); 100688eea45cSKlaus Jensen prp2 = le64_to_cpu(cmd->dptr.prp2); 100788eea45cSKlaus Jensen 100888eea45cSKlaus Jensen return nvme_map_prp(n, sg, prp1, prp2, len); 100988eea45cSKlaus Jensen case NVME_PSDT_SGL_MPTR_CONTIGUOUS: 101088eea45cSKlaus Jensen case NVME_PSDT_SGL_MPTR_SGL: 101188eea45cSKlaus Jensen return nvme_map_sgl(n, sg, cmd->dptr.sgl, len, cmd); 101288eea45cSKlaus Jensen default: 101388eea45cSKlaus Jensen return NVME_INVALID_FIELD; 101488eea45cSKlaus Jensen } 101588eea45cSKlaus Jensen } 101688eea45cSKlaus Jensen 101788eea45cSKlaus Jensen static uint16_t nvme_map_mptr(NvmeCtrl *n, NvmeSg *sg, size_t len, 101888eea45cSKlaus Jensen NvmeCmd *cmd) 101988eea45cSKlaus Jensen { 102088eea45cSKlaus Jensen int psdt = NVME_CMD_FLAGS_PSDT(cmd->flags); 102188eea45cSKlaus Jensen hwaddr mptr = le64_to_cpu(cmd->mptr); 102288eea45cSKlaus Jensen uint16_t status; 102388eea45cSKlaus Jensen 102488eea45cSKlaus Jensen if (psdt == NVME_PSDT_SGL_MPTR_SGL) { 102588eea45cSKlaus Jensen NvmeSglDescriptor sgl; 102688eea45cSKlaus Jensen 102788eea45cSKlaus Jensen if (nvme_addr_read(n, mptr, &sgl, sizeof(sgl))) { 102888eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 102988eea45cSKlaus Jensen } 103088eea45cSKlaus Jensen 103188eea45cSKlaus Jensen status = nvme_map_sgl(n, sg, sgl, len, cmd); 103288eea45cSKlaus Jensen if (status && (status & 0x7ff) == NVME_DATA_SGL_LEN_INVALID) { 103388eea45cSKlaus Jensen status = NVME_MD_SGL_LEN_INVALID | NVME_DNR; 103488eea45cSKlaus Jensen } 103588eea45cSKlaus Jensen 103688eea45cSKlaus Jensen return status; 103788eea45cSKlaus Jensen } 103888eea45cSKlaus Jensen 103988eea45cSKlaus Jensen nvme_sg_init(n, sg, nvme_addr_is_dma(n, mptr)); 104088eea45cSKlaus Jensen status = nvme_map_addr(n, sg, mptr, len); 104188eea45cSKlaus Jensen if (status) { 104288eea45cSKlaus Jensen nvme_sg_unmap(sg); 104388eea45cSKlaus Jensen } 104488eea45cSKlaus Jensen 104588eea45cSKlaus Jensen return status; 104688eea45cSKlaus Jensen } 104788eea45cSKlaus Jensen 104888eea45cSKlaus Jensen static uint16_t nvme_map_data(NvmeCtrl *n, uint32_t nlb, NvmeRequest *req) 104988eea45cSKlaus Jensen { 105088eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 105188eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 10522a132309SKlaus Jensen bool pi = !!NVME_ID_NS_DPS_TYPE(ns->id_ns.dps); 10532a132309SKlaus Jensen bool pract = !!(le16_to_cpu(rw->control) & NVME_RW_PRINFO_PRACT); 105488eea45cSKlaus Jensen size_t len = nvme_l2b(ns, nlb); 105588eea45cSKlaus Jensen uint16_t status; 105688eea45cSKlaus Jensen 10572a132309SKlaus Jensen if (nvme_ns_ext(ns) && !(pi && pract && ns->lbaf.ms == 8)) { 105888eea45cSKlaus Jensen NvmeSg sg; 105988eea45cSKlaus Jensen 106088eea45cSKlaus Jensen len += nvme_m2b(ns, nlb); 106188eea45cSKlaus Jensen 106288eea45cSKlaus Jensen status = nvme_map_dptr(n, &sg, len, &req->cmd); 106388eea45cSKlaus Jensen if (status) { 106488eea45cSKlaus Jensen return status; 106588eea45cSKlaus Jensen } 106688eea45cSKlaus Jensen 106788eea45cSKlaus Jensen nvme_sg_init(n, &req->sg, sg.flags & NVME_SG_DMA); 106888eea45cSKlaus Jensen nvme_sg_split(&sg, ns, &req->sg, NULL); 106988eea45cSKlaus Jensen nvme_sg_unmap(&sg); 107088eea45cSKlaus Jensen 107188eea45cSKlaus Jensen return NVME_SUCCESS; 107288eea45cSKlaus Jensen } 107388eea45cSKlaus Jensen 107488eea45cSKlaus Jensen return nvme_map_dptr(n, &req->sg, len, &req->cmd); 107588eea45cSKlaus Jensen } 107688eea45cSKlaus Jensen 107788eea45cSKlaus Jensen static uint16_t nvme_map_mdata(NvmeCtrl *n, uint32_t nlb, NvmeRequest *req) 107888eea45cSKlaus Jensen { 107988eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 108088eea45cSKlaus Jensen size_t len = nvme_m2b(ns, nlb); 108188eea45cSKlaus Jensen uint16_t status; 108288eea45cSKlaus Jensen 108388eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 108488eea45cSKlaus Jensen NvmeSg sg; 108588eea45cSKlaus Jensen 108688eea45cSKlaus Jensen len += nvme_l2b(ns, nlb); 108788eea45cSKlaus Jensen 108888eea45cSKlaus Jensen status = nvme_map_dptr(n, &sg, len, &req->cmd); 108988eea45cSKlaus Jensen if (status) { 109088eea45cSKlaus Jensen return status; 109188eea45cSKlaus Jensen } 109288eea45cSKlaus Jensen 109388eea45cSKlaus Jensen nvme_sg_init(n, &req->sg, sg.flags & NVME_SG_DMA); 109488eea45cSKlaus Jensen nvme_sg_split(&sg, ns, NULL, &req->sg); 109588eea45cSKlaus Jensen nvme_sg_unmap(&sg); 109688eea45cSKlaus Jensen 109788eea45cSKlaus Jensen return NVME_SUCCESS; 109888eea45cSKlaus Jensen } 109988eea45cSKlaus Jensen 110088eea45cSKlaus Jensen return nvme_map_mptr(n, &req->sg, len, &req->cmd); 110188eea45cSKlaus Jensen } 110288eea45cSKlaus Jensen 110388eea45cSKlaus Jensen static uint16_t nvme_tx_interleaved(NvmeCtrl *n, NvmeSg *sg, uint8_t *ptr, 110488eea45cSKlaus Jensen uint32_t len, uint32_t bytes, 110588eea45cSKlaus Jensen int32_t skip_bytes, int64_t offset, 110688eea45cSKlaus Jensen NvmeTxDirection dir) 110788eea45cSKlaus Jensen { 110888eea45cSKlaus Jensen hwaddr addr; 110988eea45cSKlaus Jensen uint32_t trans_len, count = bytes; 111088eea45cSKlaus Jensen bool dma = sg->flags & NVME_SG_DMA; 111188eea45cSKlaus Jensen int64_t sge_len; 111288eea45cSKlaus Jensen int sg_idx = 0; 111388eea45cSKlaus Jensen int ret; 111488eea45cSKlaus Jensen 111588eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 111688eea45cSKlaus Jensen 111788eea45cSKlaus Jensen while (len) { 111888eea45cSKlaus Jensen sge_len = dma ? sg->qsg.sg[sg_idx].len : sg->iov.iov[sg_idx].iov_len; 111988eea45cSKlaus Jensen 112088eea45cSKlaus Jensen if (sge_len - offset < 0) { 112188eea45cSKlaus Jensen offset -= sge_len; 112288eea45cSKlaus Jensen sg_idx++; 112388eea45cSKlaus Jensen continue; 112488eea45cSKlaus Jensen } 112588eea45cSKlaus Jensen 112688eea45cSKlaus Jensen if (sge_len == offset) { 112788eea45cSKlaus Jensen offset = 0; 112888eea45cSKlaus Jensen sg_idx++; 112988eea45cSKlaus Jensen continue; 113088eea45cSKlaus Jensen } 113188eea45cSKlaus Jensen 113288eea45cSKlaus Jensen trans_len = MIN(len, count); 113388eea45cSKlaus Jensen trans_len = MIN(trans_len, sge_len - offset); 113488eea45cSKlaus Jensen 113588eea45cSKlaus Jensen if (dma) { 113688eea45cSKlaus Jensen addr = sg->qsg.sg[sg_idx].base + offset; 113788eea45cSKlaus Jensen } else { 113888eea45cSKlaus Jensen addr = (hwaddr)(uintptr_t)sg->iov.iov[sg_idx].iov_base + offset; 113988eea45cSKlaus Jensen } 114088eea45cSKlaus Jensen 114188eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 114288eea45cSKlaus Jensen ret = nvme_addr_read(n, addr, ptr, trans_len); 114388eea45cSKlaus Jensen } else { 114488eea45cSKlaus Jensen ret = nvme_addr_write(n, addr, ptr, trans_len); 114588eea45cSKlaus Jensen } 114688eea45cSKlaus Jensen 114788eea45cSKlaus Jensen if (ret) { 114888eea45cSKlaus Jensen return NVME_DATA_TRAS_ERROR; 114988eea45cSKlaus Jensen } 115088eea45cSKlaus Jensen 115188eea45cSKlaus Jensen ptr += trans_len; 115288eea45cSKlaus Jensen len -= trans_len; 115388eea45cSKlaus Jensen count -= trans_len; 115488eea45cSKlaus Jensen offset += trans_len; 115588eea45cSKlaus Jensen 115688eea45cSKlaus Jensen if (count == 0) { 115788eea45cSKlaus Jensen count = bytes; 115888eea45cSKlaus Jensen offset += skip_bytes; 115988eea45cSKlaus Jensen } 116088eea45cSKlaus Jensen } 116188eea45cSKlaus Jensen 116288eea45cSKlaus Jensen return NVME_SUCCESS; 116388eea45cSKlaus Jensen } 116488eea45cSKlaus Jensen 116588eea45cSKlaus Jensen static uint16_t nvme_tx(NvmeCtrl *n, NvmeSg *sg, uint8_t *ptr, uint32_t len, 116688eea45cSKlaus Jensen NvmeTxDirection dir) 116788eea45cSKlaus Jensen { 116888eea45cSKlaus Jensen assert(sg->flags & NVME_SG_ALLOC); 116988eea45cSKlaus Jensen 117088eea45cSKlaus Jensen if (sg->flags & NVME_SG_DMA) { 1171392e48afSPhilippe Mathieu-Daudé const MemTxAttrs attrs = MEMTXATTRS_UNSPECIFIED; 1172bfa30f39SPhilippe Mathieu-Daudé dma_addr_t residual; 117388eea45cSKlaus Jensen 117488eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 1175f02b664aSPhilippe Mathieu-Daudé dma_buf_write(ptr, len, &residual, &sg->qsg, attrs); 117688eea45cSKlaus Jensen } else { 1177f02b664aSPhilippe Mathieu-Daudé dma_buf_read(ptr, len, &residual, &sg->qsg, attrs); 117888eea45cSKlaus Jensen } 117988eea45cSKlaus Jensen 118088eea45cSKlaus Jensen if (unlikely(residual)) { 118188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_dma(); 118288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 118388eea45cSKlaus Jensen } 118488eea45cSKlaus Jensen } else { 118588eea45cSKlaus Jensen size_t bytes; 118688eea45cSKlaus Jensen 118788eea45cSKlaus Jensen if (dir == NVME_TX_DIRECTION_TO_DEVICE) { 118888eea45cSKlaus Jensen bytes = qemu_iovec_to_buf(&sg->iov, 0, ptr, len); 118988eea45cSKlaus Jensen } else { 119088eea45cSKlaus Jensen bytes = qemu_iovec_from_buf(&sg->iov, 0, ptr, len); 119188eea45cSKlaus Jensen } 119288eea45cSKlaus Jensen 119388eea45cSKlaus Jensen if (unlikely(bytes != len)) { 119488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_dma(); 119588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 119688eea45cSKlaus Jensen } 119788eea45cSKlaus Jensen } 119888eea45cSKlaus Jensen 119988eea45cSKlaus Jensen return NVME_SUCCESS; 120088eea45cSKlaus Jensen } 120188eea45cSKlaus Jensen 120288eea45cSKlaus Jensen static inline uint16_t nvme_c2h(NvmeCtrl *n, uint8_t *ptr, uint32_t len, 120388eea45cSKlaus Jensen NvmeRequest *req) 120488eea45cSKlaus Jensen { 120588eea45cSKlaus Jensen uint16_t status; 120688eea45cSKlaus Jensen 120788eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 120888eea45cSKlaus Jensen if (status) { 120988eea45cSKlaus Jensen return status; 121088eea45cSKlaus Jensen } 121188eea45cSKlaus Jensen 121288eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, NVME_TX_DIRECTION_FROM_DEVICE); 121388eea45cSKlaus Jensen } 121488eea45cSKlaus Jensen 121588eea45cSKlaus Jensen static inline uint16_t nvme_h2c(NvmeCtrl *n, uint8_t *ptr, uint32_t len, 121688eea45cSKlaus Jensen NvmeRequest *req) 121788eea45cSKlaus Jensen { 121888eea45cSKlaus Jensen uint16_t status; 121988eea45cSKlaus Jensen 122088eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 122188eea45cSKlaus Jensen if (status) { 122288eea45cSKlaus Jensen return status; 122388eea45cSKlaus Jensen } 122488eea45cSKlaus Jensen 122588eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, NVME_TX_DIRECTION_TO_DEVICE); 122688eea45cSKlaus Jensen } 122788eea45cSKlaus Jensen 122888eea45cSKlaus Jensen uint16_t nvme_bounce_data(NvmeCtrl *n, uint8_t *ptr, uint32_t len, 122988eea45cSKlaus Jensen NvmeTxDirection dir, NvmeRequest *req) 123088eea45cSKlaus Jensen { 123188eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 123288eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 12332a132309SKlaus Jensen bool pi = !!NVME_ID_NS_DPS_TYPE(ns->id_ns.dps); 12342a132309SKlaus Jensen bool pract = !!(le16_to_cpu(rw->control) & NVME_RW_PRINFO_PRACT); 123588eea45cSKlaus Jensen 12362a132309SKlaus Jensen if (nvme_ns_ext(ns) && !(pi && pract && ns->lbaf.ms == 8)) { 123788eea45cSKlaus Jensen return nvme_tx_interleaved(n, &req->sg, ptr, len, ns->lbasz, 123888eea45cSKlaus Jensen ns->lbaf.ms, 0, dir); 123988eea45cSKlaus Jensen } 124088eea45cSKlaus Jensen 124188eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, dir); 124288eea45cSKlaus Jensen } 124388eea45cSKlaus Jensen 124488eea45cSKlaus Jensen uint16_t nvme_bounce_mdata(NvmeCtrl *n, uint8_t *ptr, uint32_t len, 124588eea45cSKlaus Jensen NvmeTxDirection dir, NvmeRequest *req) 124688eea45cSKlaus Jensen { 124788eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 124888eea45cSKlaus Jensen uint16_t status; 124988eea45cSKlaus Jensen 125088eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 125188eea45cSKlaus Jensen return nvme_tx_interleaved(n, &req->sg, ptr, len, ns->lbaf.ms, 125288eea45cSKlaus Jensen ns->lbasz, ns->lbasz, dir); 125388eea45cSKlaus Jensen } 125488eea45cSKlaus Jensen 125588eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 125688eea45cSKlaus Jensen 125788eea45cSKlaus Jensen status = nvme_map_mptr(n, &req->sg, len, &req->cmd); 125888eea45cSKlaus Jensen if (status) { 125988eea45cSKlaus Jensen return status; 126088eea45cSKlaus Jensen } 126188eea45cSKlaus Jensen 126288eea45cSKlaus Jensen return nvme_tx(n, &req->sg, ptr, len, dir); 126388eea45cSKlaus Jensen } 126488eea45cSKlaus Jensen 126588eea45cSKlaus Jensen static inline void nvme_blk_read(BlockBackend *blk, int64_t offset, 126688eea45cSKlaus Jensen BlockCompletionFunc *cb, NvmeRequest *req) 126788eea45cSKlaus Jensen { 126888eea45cSKlaus Jensen assert(req->sg.flags & NVME_SG_ALLOC); 126988eea45cSKlaus Jensen 127088eea45cSKlaus Jensen if (req->sg.flags & NVME_SG_DMA) { 127188eea45cSKlaus Jensen req->aiocb = dma_blk_read(blk, &req->sg.qsg, offset, BDRV_SECTOR_SIZE, 127288eea45cSKlaus Jensen cb, req); 127388eea45cSKlaus Jensen } else { 127488eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &req->sg.iov, 0, cb, req); 127588eea45cSKlaus Jensen } 127688eea45cSKlaus Jensen } 127788eea45cSKlaus Jensen 127888eea45cSKlaus Jensen static inline void nvme_blk_write(BlockBackend *blk, int64_t offset, 127988eea45cSKlaus Jensen BlockCompletionFunc *cb, NvmeRequest *req) 128088eea45cSKlaus Jensen { 128188eea45cSKlaus Jensen assert(req->sg.flags & NVME_SG_ALLOC); 128288eea45cSKlaus Jensen 128388eea45cSKlaus Jensen if (req->sg.flags & NVME_SG_DMA) { 128488eea45cSKlaus Jensen req->aiocb = dma_blk_write(blk, &req->sg.qsg, offset, BDRV_SECTOR_SIZE, 128588eea45cSKlaus Jensen cb, req); 128688eea45cSKlaus Jensen } else { 128788eea45cSKlaus Jensen req->aiocb = blk_aio_pwritev(blk, offset, &req->sg.iov, 0, cb, req); 128888eea45cSKlaus Jensen } 128988eea45cSKlaus Jensen } 129088eea45cSKlaus Jensen 129188eea45cSKlaus Jensen static void nvme_post_cqes(void *opaque) 129288eea45cSKlaus Jensen { 129388eea45cSKlaus Jensen NvmeCQueue *cq = opaque; 129488eea45cSKlaus Jensen NvmeCtrl *n = cq->ctrl; 129588eea45cSKlaus Jensen NvmeRequest *req, *next; 129683d7ed5cSKlaus Jensen bool pending = cq->head != cq->tail; 129788eea45cSKlaus Jensen int ret; 129888eea45cSKlaus Jensen 129988eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(req, &cq->req_list, entry, next) { 130088eea45cSKlaus Jensen NvmeSQueue *sq; 130188eea45cSKlaus Jensen hwaddr addr; 130288eea45cSKlaus Jensen 130388eea45cSKlaus Jensen if (nvme_cq_full(cq)) { 130488eea45cSKlaus Jensen break; 130588eea45cSKlaus Jensen } 130688eea45cSKlaus Jensen 130788eea45cSKlaus Jensen sq = req->sq; 130888eea45cSKlaus Jensen req->cqe.status = cpu_to_le16((req->status << 1) | cq->phase); 130988eea45cSKlaus Jensen req->cqe.sq_id = cpu_to_le16(sq->sqid); 131088eea45cSKlaus Jensen req->cqe.sq_head = cpu_to_le16(sq->head); 131188eea45cSKlaus Jensen addr = cq->dma_addr + cq->tail * n->cqe_size; 131288eea45cSKlaus Jensen ret = pci_dma_write(&n->parent_obj, addr, (void *)&req->cqe, 131388eea45cSKlaus Jensen sizeof(req->cqe)); 131488eea45cSKlaus Jensen if (ret) { 131588eea45cSKlaus Jensen trace_pci_nvme_err_addr_write(addr); 131688eea45cSKlaus Jensen trace_pci_nvme_err_cfs(); 131749e03457SKlaus Jensen stl_le_p(&n->bar.csts, NVME_CSTS_FAILED); 131888eea45cSKlaus Jensen break; 131988eea45cSKlaus Jensen } 132088eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->req_list, req, entry); 132188eea45cSKlaus Jensen nvme_inc_cq_tail(cq); 132288eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 132388eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->req_list, req, entry); 132488eea45cSKlaus Jensen } 132588eea45cSKlaus Jensen if (cq->tail != cq->head) { 132683d7ed5cSKlaus Jensen if (cq->irq_enabled && !pending) { 132783d7ed5cSKlaus Jensen n->cq_pending++; 132883d7ed5cSKlaus Jensen } 132983d7ed5cSKlaus Jensen 133088eea45cSKlaus Jensen nvme_irq_assert(n, cq); 133188eea45cSKlaus Jensen } 133288eea45cSKlaus Jensen } 133388eea45cSKlaus Jensen 133488eea45cSKlaus Jensen static void nvme_enqueue_req_completion(NvmeCQueue *cq, NvmeRequest *req) 133588eea45cSKlaus Jensen { 133688eea45cSKlaus Jensen assert(cq->cqid == req->sq->cqid); 133788eea45cSKlaus Jensen trace_pci_nvme_enqueue_req_completion(nvme_cid(req), cq->cqid, 1338f1c97407SKlaus Jensen le32_to_cpu(req->cqe.result), 1339f1c97407SKlaus Jensen le32_to_cpu(req->cqe.dw1), 134088eea45cSKlaus Jensen req->status); 134188eea45cSKlaus Jensen 134288eea45cSKlaus Jensen if (req->status) { 134388eea45cSKlaus Jensen trace_pci_nvme_err_req_status(nvme_cid(req), nvme_nsid(req->ns), 134488eea45cSKlaus Jensen req->status, req->cmd.opcode); 134588eea45cSKlaus Jensen } 134688eea45cSKlaus Jensen 134788eea45cSKlaus Jensen QTAILQ_REMOVE(&req->sq->out_req_list, req, entry); 134888eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&cq->req_list, req, entry); 134988eea45cSKlaus Jensen timer_mod(cq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); 135088eea45cSKlaus Jensen } 135188eea45cSKlaus Jensen 135288eea45cSKlaus Jensen static void nvme_process_aers(void *opaque) 135388eea45cSKlaus Jensen { 135488eea45cSKlaus Jensen NvmeCtrl *n = opaque; 135588eea45cSKlaus Jensen NvmeAsyncEvent *event, *next; 135688eea45cSKlaus Jensen 135788eea45cSKlaus Jensen trace_pci_nvme_process_aers(n->aer_queued); 135888eea45cSKlaus Jensen 135988eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(event, &n->aer_queue, entry, next) { 136088eea45cSKlaus Jensen NvmeRequest *req; 136188eea45cSKlaus Jensen NvmeAerResult *result; 136288eea45cSKlaus Jensen 136388eea45cSKlaus Jensen /* can't post cqe if there is nothing to complete */ 136488eea45cSKlaus Jensen if (!n->outstanding_aers) { 136588eea45cSKlaus Jensen trace_pci_nvme_no_outstanding_aers(); 136688eea45cSKlaus Jensen break; 136788eea45cSKlaus Jensen } 136888eea45cSKlaus Jensen 136988eea45cSKlaus Jensen /* ignore if masked (cqe posted, but event not cleared) */ 137088eea45cSKlaus Jensen if (n->aer_mask & (1 << event->result.event_type)) { 137188eea45cSKlaus Jensen trace_pci_nvme_aer_masked(event->result.event_type, n->aer_mask); 137288eea45cSKlaus Jensen continue; 137388eea45cSKlaus Jensen } 137488eea45cSKlaus Jensen 137588eea45cSKlaus Jensen QTAILQ_REMOVE(&n->aer_queue, event, entry); 137688eea45cSKlaus Jensen n->aer_queued--; 137788eea45cSKlaus Jensen 137888eea45cSKlaus Jensen n->aer_mask |= 1 << event->result.event_type; 137988eea45cSKlaus Jensen n->outstanding_aers--; 138088eea45cSKlaus Jensen 138188eea45cSKlaus Jensen req = n->aer_reqs[n->outstanding_aers]; 138288eea45cSKlaus Jensen 138388eea45cSKlaus Jensen result = (NvmeAerResult *) &req->cqe.result; 138488eea45cSKlaus Jensen result->event_type = event->result.event_type; 138588eea45cSKlaus Jensen result->event_info = event->result.event_info; 138688eea45cSKlaus Jensen result->log_page = event->result.log_page; 138788eea45cSKlaus Jensen g_free(event); 138888eea45cSKlaus Jensen 138988eea45cSKlaus Jensen trace_pci_nvme_aer_post_cqe(result->event_type, result->event_info, 139088eea45cSKlaus Jensen result->log_page); 139188eea45cSKlaus Jensen 139288eea45cSKlaus Jensen nvme_enqueue_req_completion(&n->admin_cq, req); 139388eea45cSKlaus Jensen } 139488eea45cSKlaus Jensen } 139588eea45cSKlaus Jensen 139688eea45cSKlaus Jensen static void nvme_enqueue_event(NvmeCtrl *n, uint8_t event_type, 139788eea45cSKlaus Jensen uint8_t event_info, uint8_t log_page) 139888eea45cSKlaus Jensen { 139988eea45cSKlaus Jensen NvmeAsyncEvent *event; 140088eea45cSKlaus Jensen 140188eea45cSKlaus Jensen trace_pci_nvme_enqueue_event(event_type, event_info, log_page); 140288eea45cSKlaus Jensen 140388eea45cSKlaus Jensen if (n->aer_queued == n->params.aer_max_queued) { 140488eea45cSKlaus Jensen trace_pci_nvme_enqueue_event_noqueue(n->aer_queued); 140588eea45cSKlaus Jensen return; 140688eea45cSKlaus Jensen } 140788eea45cSKlaus Jensen 140888eea45cSKlaus Jensen event = g_new(NvmeAsyncEvent, 1); 140988eea45cSKlaus Jensen event->result = (NvmeAerResult) { 141088eea45cSKlaus Jensen .event_type = event_type, 141188eea45cSKlaus Jensen .event_info = event_info, 141288eea45cSKlaus Jensen .log_page = log_page, 141388eea45cSKlaus Jensen }; 141488eea45cSKlaus Jensen 141588eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&n->aer_queue, event, entry); 141688eea45cSKlaus Jensen n->aer_queued++; 141788eea45cSKlaus Jensen 141888eea45cSKlaus Jensen nvme_process_aers(n); 141988eea45cSKlaus Jensen } 142088eea45cSKlaus Jensen 142188eea45cSKlaus Jensen static void nvme_smart_event(NvmeCtrl *n, uint8_t event) 142288eea45cSKlaus Jensen { 142388eea45cSKlaus Jensen uint8_t aer_info; 142488eea45cSKlaus Jensen 142588eea45cSKlaus Jensen /* Ref SPEC <Asynchronous Event Information 0x2013 SMART / Health Status> */ 142688eea45cSKlaus Jensen if (!(NVME_AEC_SMART(n->features.async_config) & event)) { 142788eea45cSKlaus Jensen return; 142888eea45cSKlaus Jensen } 142988eea45cSKlaus Jensen 143088eea45cSKlaus Jensen switch (event) { 143188eea45cSKlaus Jensen case NVME_SMART_SPARE: 143288eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_SPARE_THRESH; 143388eea45cSKlaus Jensen break; 143488eea45cSKlaus Jensen case NVME_SMART_TEMPERATURE: 143588eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_TEMP_THRESH; 143688eea45cSKlaus Jensen break; 143788eea45cSKlaus Jensen case NVME_SMART_RELIABILITY: 143888eea45cSKlaus Jensen case NVME_SMART_MEDIA_READ_ONLY: 143988eea45cSKlaus Jensen case NVME_SMART_FAILED_VOLATILE_MEDIA: 144088eea45cSKlaus Jensen case NVME_SMART_PMR_UNRELIABLE: 144188eea45cSKlaus Jensen aer_info = NVME_AER_INFO_SMART_RELIABILITY; 144288eea45cSKlaus Jensen break; 144388eea45cSKlaus Jensen default: 144488eea45cSKlaus Jensen return; 144588eea45cSKlaus Jensen } 144688eea45cSKlaus Jensen 144788eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_SMART, aer_info, NVME_LOG_SMART_INFO); 144888eea45cSKlaus Jensen } 144988eea45cSKlaus Jensen 145088eea45cSKlaus Jensen static void nvme_clear_events(NvmeCtrl *n, uint8_t event_type) 145188eea45cSKlaus Jensen { 145288eea45cSKlaus Jensen n->aer_mask &= ~(1 << event_type); 145388eea45cSKlaus Jensen if (!QTAILQ_EMPTY(&n->aer_queue)) { 145488eea45cSKlaus Jensen nvme_process_aers(n); 145588eea45cSKlaus Jensen } 145688eea45cSKlaus Jensen } 145788eea45cSKlaus Jensen 145888eea45cSKlaus Jensen static inline uint16_t nvme_check_mdts(NvmeCtrl *n, size_t len) 145988eea45cSKlaus Jensen { 146088eea45cSKlaus Jensen uint8_t mdts = n->params.mdts; 146188eea45cSKlaus Jensen 146288eea45cSKlaus Jensen if (mdts && len > n->page_size << mdts) { 146388eea45cSKlaus Jensen trace_pci_nvme_err_mdts(len); 146488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 146588eea45cSKlaus Jensen } 146688eea45cSKlaus Jensen 146788eea45cSKlaus Jensen return NVME_SUCCESS; 146888eea45cSKlaus Jensen } 146988eea45cSKlaus Jensen 147088eea45cSKlaus Jensen static inline uint16_t nvme_check_bounds(NvmeNamespace *ns, uint64_t slba, 147188eea45cSKlaus Jensen uint32_t nlb) 147288eea45cSKlaus Jensen { 147388eea45cSKlaus Jensen uint64_t nsze = le64_to_cpu(ns->id_ns.nsze); 147488eea45cSKlaus Jensen 147588eea45cSKlaus Jensen if (unlikely(UINT64_MAX - slba < nlb || slba + nlb > nsze)) { 147688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(slba, nlb, nsze); 147788eea45cSKlaus Jensen return NVME_LBA_RANGE | NVME_DNR; 147888eea45cSKlaus Jensen } 147988eea45cSKlaus Jensen 148088eea45cSKlaus Jensen return NVME_SUCCESS; 148188eea45cSKlaus Jensen } 148288eea45cSKlaus Jensen 1483ff0ac2c8SKlaus Jensen static int nvme_block_status_all(NvmeNamespace *ns, uint64_t slba, 1484ff0ac2c8SKlaus Jensen uint32_t nlb, int flags) 148588eea45cSKlaus Jensen { 148688eea45cSKlaus Jensen BlockDriverState *bs = blk_bs(ns->blkconf.blk); 148788eea45cSKlaus Jensen 148888eea45cSKlaus Jensen int64_t pnum = 0, bytes = nvme_l2b(ns, nlb); 148988eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 149088eea45cSKlaus Jensen int ret; 149188eea45cSKlaus Jensen 149288eea45cSKlaus Jensen /* 149388eea45cSKlaus Jensen * `pnum` holds the number of bytes after offset that shares the same 149488eea45cSKlaus Jensen * allocation status as the byte at offset. If `pnum` is different from 149588eea45cSKlaus Jensen * `bytes`, we should check the allocation status of the next range and 149688eea45cSKlaus Jensen * continue this until all bytes have been checked. 149788eea45cSKlaus Jensen */ 149888eea45cSKlaus Jensen do { 149988eea45cSKlaus Jensen bytes -= pnum; 150088eea45cSKlaus Jensen 150188eea45cSKlaus Jensen ret = bdrv_block_status(bs, offset, bytes, &pnum, NULL, NULL); 150288eea45cSKlaus Jensen if (ret < 0) { 1503ff0ac2c8SKlaus Jensen return ret; 150488eea45cSKlaus Jensen } 150588eea45cSKlaus Jensen 150688eea45cSKlaus Jensen 1507ff0ac2c8SKlaus Jensen trace_pci_nvme_block_status(offset, bytes, pnum, ret, 1508ff0ac2c8SKlaus Jensen !!(ret & BDRV_BLOCK_ZERO)); 150988eea45cSKlaus Jensen 1510ff0ac2c8SKlaus Jensen if (!(ret & flags)) { 1511ff0ac2c8SKlaus Jensen return 1; 151288eea45cSKlaus Jensen } 151388eea45cSKlaus Jensen 151488eea45cSKlaus Jensen offset += pnum; 151588eea45cSKlaus Jensen } while (pnum != bytes); 151688eea45cSKlaus Jensen 1517ff0ac2c8SKlaus Jensen return 0; 1518ff0ac2c8SKlaus Jensen } 1519ff0ac2c8SKlaus Jensen 1520ff0ac2c8SKlaus Jensen static uint16_t nvme_check_dulbe(NvmeNamespace *ns, uint64_t slba, 1521ff0ac2c8SKlaus Jensen uint32_t nlb) 1522ff0ac2c8SKlaus Jensen { 1523ff0ac2c8SKlaus Jensen int ret; 1524ff0ac2c8SKlaus Jensen Error *err = NULL; 1525ff0ac2c8SKlaus Jensen 1526ff0ac2c8SKlaus Jensen ret = nvme_block_status_all(ns, slba, nlb, BDRV_BLOCK_DATA); 1527ff0ac2c8SKlaus Jensen if (ret) { 1528ff0ac2c8SKlaus Jensen if (ret < 0) { 1529ff0ac2c8SKlaus Jensen error_setg_errno(&err, -ret, "unable to get block status"); 1530ff0ac2c8SKlaus Jensen error_report_err(err); 1531ff0ac2c8SKlaus Jensen 1532ff0ac2c8SKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 1533ff0ac2c8SKlaus Jensen } 1534ff0ac2c8SKlaus Jensen 1535ff0ac2c8SKlaus Jensen return NVME_DULB; 1536ff0ac2c8SKlaus Jensen } 1537ff0ac2c8SKlaus Jensen 153888eea45cSKlaus Jensen return NVME_SUCCESS; 153988eea45cSKlaus Jensen } 154088eea45cSKlaus Jensen 154188eea45cSKlaus Jensen static void nvme_aio_err(NvmeRequest *req, int ret) 154288eea45cSKlaus Jensen { 154388eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 154488eea45cSKlaus Jensen Error *local_err = NULL; 154588eea45cSKlaus Jensen 154688eea45cSKlaus Jensen switch (req->cmd.opcode) { 154788eea45cSKlaus Jensen case NVME_CMD_READ: 154888eea45cSKlaus Jensen status = NVME_UNRECOVERED_READ; 154988eea45cSKlaus Jensen break; 155088eea45cSKlaus Jensen case NVME_CMD_FLUSH: 155188eea45cSKlaus Jensen case NVME_CMD_WRITE: 155288eea45cSKlaus Jensen case NVME_CMD_WRITE_ZEROES: 155388eea45cSKlaus Jensen case NVME_CMD_ZONE_APPEND: 155488eea45cSKlaus Jensen status = NVME_WRITE_FAULT; 155588eea45cSKlaus Jensen break; 155688eea45cSKlaus Jensen default: 155788eea45cSKlaus Jensen status = NVME_INTERNAL_DEV_ERROR; 155888eea45cSKlaus Jensen break; 155988eea45cSKlaus Jensen } 156088eea45cSKlaus Jensen 156188eea45cSKlaus Jensen trace_pci_nvme_err_aio(nvme_cid(req), strerror(-ret), status); 156288eea45cSKlaus Jensen 156388eea45cSKlaus Jensen error_setg_errno(&local_err, -ret, "aio failed"); 156488eea45cSKlaus Jensen error_report_err(local_err); 156588eea45cSKlaus Jensen 156688eea45cSKlaus Jensen /* 156788eea45cSKlaus Jensen * Set the command status code to the first encountered error but allow a 156888eea45cSKlaus Jensen * subsequent Internal Device Error to trump it. 156988eea45cSKlaus Jensen */ 157088eea45cSKlaus Jensen if (req->status && status != NVME_INTERNAL_DEV_ERROR) { 157188eea45cSKlaus Jensen return; 157288eea45cSKlaus Jensen } 157388eea45cSKlaus Jensen 157488eea45cSKlaus Jensen req->status = status; 157588eea45cSKlaus Jensen } 157688eea45cSKlaus Jensen 157788eea45cSKlaus Jensen static inline uint32_t nvme_zone_idx(NvmeNamespace *ns, uint64_t slba) 157888eea45cSKlaus Jensen { 157988eea45cSKlaus Jensen return ns->zone_size_log2 > 0 ? slba >> ns->zone_size_log2 : 158088eea45cSKlaus Jensen slba / ns->zone_size; 158188eea45cSKlaus Jensen } 158288eea45cSKlaus Jensen 158388eea45cSKlaus Jensen static inline NvmeZone *nvme_get_zone_by_slba(NvmeNamespace *ns, uint64_t slba) 158488eea45cSKlaus Jensen { 158588eea45cSKlaus Jensen uint32_t zone_idx = nvme_zone_idx(ns, slba); 158688eea45cSKlaus Jensen 1587189a8bf7SKlaus Jensen if (zone_idx >= ns->num_zones) { 1588189a8bf7SKlaus Jensen return NULL; 1589189a8bf7SKlaus Jensen } 1590189a8bf7SKlaus Jensen 159188eea45cSKlaus Jensen return &ns->zone_array[zone_idx]; 159288eea45cSKlaus Jensen } 159388eea45cSKlaus Jensen 159488eea45cSKlaus Jensen static uint16_t nvme_check_zone_state_for_write(NvmeZone *zone) 159588eea45cSKlaus Jensen { 159688eea45cSKlaus Jensen uint64_t zslba = zone->d.zslba; 159788eea45cSKlaus Jensen 159888eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 159988eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 160088eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 160188eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 160288eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 160388eea45cSKlaus Jensen return NVME_SUCCESS; 160488eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 160588eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_full(zslba); 160688eea45cSKlaus Jensen return NVME_ZONE_FULL; 160788eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 160888eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_offline(zslba); 160988eea45cSKlaus Jensen return NVME_ZONE_OFFLINE; 161088eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 161188eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_read_only(zslba); 161288eea45cSKlaus Jensen return NVME_ZONE_READ_ONLY; 161388eea45cSKlaus Jensen default: 161488eea45cSKlaus Jensen assert(false); 161588eea45cSKlaus Jensen } 161688eea45cSKlaus Jensen 161788eea45cSKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 161888eea45cSKlaus Jensen } 161988eea45cSKlaus Jensen 162088eea45cSKlaus Jensen static uint16_t nvme_check_zone_write(NvmeNamespace *ns, NvmeZone *zone, 162188eea45cSKlaus Jensen uint64_t slba, uint32_t nlb) 162288eea45cSKlaus Jensen { 162388eea45cSKlaus Jensen uint64_t zcap = nvme_zone_wr_boundary(zone); 162488eea45cSKlaus Jensen uint16_t status; 162588eea45cSKlaus Jensen 162688eea45cSKlaus Jensen status = nvme_check_zone_state_for_write(zone); 162788eea45cSKlaus Jensen if (status) { 162888eea45cSKlaus Jensen return status; 162988eea45cSKlaus Jensen } 163088eea45cSKlaus Jensen 163188eea45cSKlaus Jensen if (unlikely(slba != zone->w_ptr)) { 163288eea45cSKlaus Jensen trace_pci_nvme_err_write_not_at_wp(slba, zone->d.zslba, zone->w_ptr); 163388eea45cSKlaus Jensen return NVME_ZONE_INVALID_WRITE; 163488eea45cSKlaus Jensen } 163588eea45cSKlaus Jensen 163688eea45cSKlaus Jensen if (unlikely((slba + nlb) > zcap)) { 163788eea45cSKlaus Jensen trace_pci_nvme_err_zone_boundary(slba, nlb, zcap); 163888eea45cSKlaus Jensen return NVME_ZONE_BOUNDARY_ERROR; 163988eea45cSKlaus Jensen } 164088eea45cSKlaus Jensen 164188eea45cSKlaus Jensen return NVME_SUCCESS; 164288eea45cSKlaus Jensen } 164388eea45cSKlaus Jensen 164488eea45cSKlaus Jensen static uint16_t nvme_check_zone_state_for_read(NvmeZone *zone) 164588eea45cSKlaus Jensen { 164688eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 164788eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 164888eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 164988eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 165088eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 165188eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 165288eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 165388eea45cSKlaus Jensen return NVME_SUCCESS; 165488eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 165588eea45cSKlaus Jensen trace_pci_nvme_err_zone_is_offline(zone->d.zslba); 165688eea45cSKlaus Jensen return NVME_ZONE_OFFLINE; 165788eea45cSKlaus Jensen default: 165888eea45cSKlaus Jensen assert(false); 165988eea45cSKlaus Jensen } 166088eea45cSKlaus Jensen 166188eea45cSKlaus Jensen return NVME_INTERNAL_DEV_ERROR; 166288eea45cSKlaus Jensen } 166388eea45cSKlaus Jensen 166488eea45cSKlaus Jensen static uint16_t nvme_check_zone_read(NvmeNamespace *ns, uint64_t slba, 166588eea45cSKlaus Jensen uint32_t nlb) 166688eea45cSKlaus Jensen { 1667189a8bf7SKlaus Jensen NvmeZone *zone; 1668189a8bf7SKlaus Jensen uint64_t bndry, end; 166988eea45cSKlaus Jensen uint16_t status; 167088eea45cSKlaus Jensen 1671189a8bf7SKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 1672189a8bf7SKlaus Jensen assert(zone); 1673189a8bf7SKlaus Jensen 1674189a8bf7SKlaus Jensen bndry = nvme_zone_rd_boundary(ns, zone); 1675189a8bf7SKlaus Jensen end = slba + nlb; 1676189a8bf7SKlaus Jensen 167788eea45cSKlaus Jensen status = nvme_check_zone_state_for_read(zone); 167888eea45cSKlaus Jensen if (status) { 167988eea45cSKlaus Jensen ; 168088eea45cSKlaus Jensen } else if (unlikely(end > bndry)) { 168188eea45cSKlaus Jensen if (!ns->params.cross_zone_read) { 168288eea45cSKlaus Jensen status = NVME_ZONE_BOUNDARY_ERROR; 168388eea45cSKlaus Jensen } else { 168488eea45cSKlaus Jensen /* 168588eea45cSKlaus Jensen * Read across zone boundary - check that all subsequent 168688eea45cSKlaus Jensen * zones that are being read have an appropriate state. 168788eea45cSKlaus Jensen */ 168888eea45cSKlaus Jensen do { 168988eea45cSKlaus Jensen zone++; 169088eea45cSKlaus Jensen status = nvme_check_zone_state_for_read(zone); 169188eea45cSKlaus Jensen if (status) { 169288eea45cSKlaus Jensen break; 169388eea45cSKlaus Jensen } 169488eea45cSKlaus Jensen } while (end > nvme_zone_rd_boundary(ns, zone)); 169588eea45cSKlaus Jensen } 169688eea45cSKlaus Jensen } 169788eea45cSKlaus Jensen 169888eea45cSKlaus Jensen return status; 169988eea45cSKlaus Jensen } 170088eea45cSKlaus Jensen 170188eea45cSKlaus Jensen static uint16_t nvme_zrm_finish(NvmeNamespace *ns, NvmeZone *zone) 170288eea45cSKlaus Jensen { 170388eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 170488eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 170588eea45cSKlaus Jensen return NVME_SUCCESS; 170688eea45cSKlaus Jensen 170788eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 170888eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 170988eea45cSKlaus Jensen nvme_aor_dec_open(ns); 171088eea45cSKlaus Jensen /* fallthrough */ 171188eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 171288eea45cSKlaus Jensen nvme_aor_dec_active(ns); 171388eea45cSKlaus Jensen /* fallthrough */ 171488eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 171588eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_FULL); 171688eea45cSKlaus Jensen return NVME_SUCCESS; 171788eea45cSKlaus Jensen 171888eea45cSKlaus Jensen default: 171988eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 172088eea45cSKlaus Jensen } 172188eea45cSKlaus Jensen } 172288eea45cSKlaus Jensen 172388eea45cSKlaus Jensen static uint16_t nvme_zrm_close(NvmeNamespace *ns, NvmeZone *zone) 172488eea45cSKlaus Jensen { 172588eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 172688eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 172788eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 172888eea45cSKlaus Jensen nvme_aor_dec_open(ns); 172988eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_CLOSED); 173088eea45cSKlaus Jensen /* fall through */ 173188eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 173288eea45cSKlaus Jensen return NVME_SUCCESS; 173388eea45cSKlaus Jensen 173488eea45cSKlaus Jensen default: 173588eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 173688eea45cSKlaus Jensen } 173788eea45cSKlaus Jensen } 173888eea45cSKlaus Jensen 173963d96e4fSKlaus Jensen static uint16_t nvme_zrm_reset(NvmeNamespace *ns, NvmeZone *zone) 174063d96e4fSKlaus Jensen { 174163d96e4fSKlaus Jensen switch (nvme_get_zone_state(zone)) { 174263d96e4fSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 174363d96e4fSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 174463d96e4fSKlaus Jensen nvme_aor_dec_open(ns); 174563d96e4fSKlaus Jensen /* fallthrough */ 174663d96e4fSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 174763d96e4fSKlaus Jensen nvme_aor_dec_active(ns); 174863d96e4fSKlaus Jensen /* fallthrough */ 174963d96e4fSKlaus Jensen case NVME_ZONE_STATE_FULL: 175063d96e4fSKlaus Jensen zone->w_ptr = zone->d.zslba; 175163d96e4fSKlaus Jensen zone->d.wp = zone->w_ptr; 175263d96e4fSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_EMPTY); 175363d96e4fSKlaus Jensen /* fallthrough */ 175463d96e4fSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 175563d96e4fSKlaus Jensen return NVME_SUCCESS; 175663d96e4fSKlaus Jensen 175763d96e4fSKlaus Jensen default: 175863d96e4fSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 175963d96e4fSKlaus Jensen } 176063d96e4fSKlaus Jensen } 176163d96e4fSKlaus Jensen 176288eea45cSKlaus Jensen static void nvme_zrm_auto_transition_zone(NvmeNamespace *ns) 176388eea45cSKlaus Jensen { 176488eea45cSKlaus Jensen NvmeZone *zone; 176588eea45cSKlaus Jensen 176688eea45cSKlaus Jensen if (ns->params.max_open_zones && 176788eea45cSKlaus Jensen ns->nr_open_zones == ns->params.max_open_zones) { 176888eea45cSKlaus Jensen zone = QTAILQ_FIRST(&ns->imp_open_zones); 176988eea45cSKlaus Jensen if (zone) { 177088eea45cSKlaus Jensen /* 177188eea45cSKlaus Jensen * Automatically close this implicitly open zone. 177288eea45cSKlaus Jensen */ 177388eea45cSKlaus Jensen QTAILQ_REMOVE(&ns->imp_open_zones, zone, entry); 177488eea45cSKlaus Jensen nvme_zrm_close(ns, zone); 177588eea45cSKlaus Jensen } 177688eea45cSKlaus Jensen } 177788eea45cSKlaus Jensen } 177888eea45cSKlaus Jensen 177988eea45cSKlaus Jensen enum { 178088eea45cSKlaus Jensen NVME_ZRM_AUTO = 1 << 0, 178188eea45cSKlaus Jensen }; 178288eea45cSKlaus Jensen 1783cccc2651SNiklas Cassel static uint16_t nvme_zrm_open_flags(NvmeCtrl *n, NvmeNamespace *ns, 1784cccc2651SNiklas Cassel NvmeZone *zone, int flags) 178588eea45cSKlaus Jensen { 178688eea45cSKlaus Jensen int act = 0; 178788eea45cSKlaus Jensen uint16_t status; 178888eea45cSKlaus Jensen 178988eea45cSKlaus Jensen switch (nvme_get_zone_state(zone)) { 179088eea45cSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 179188eea45cSKlaus Jensen act = 1; 179288eea45cSKlaus Jensen 179388eea45cSKlaus Jensen /* fallthrough */ 179488eea45cSKlaus Jensen 179588eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 1796cccc2651SNiklas Cassel if (n->params.auto_transition_zones) { 179788eea45cSKlaus Jensen nvme_zrm_auto_transition_zone(ns); 1798cccc2651SNiklas Cassel } 179988eea45cSKlaus Jensen status = nvme_aor_check(ns, act, 1); 180088eea45cSKlaus Jensen if (status) { 180188eea45cSKlaus Jensen return status; 180288eea45cSKlaus Jensen } 180388eea45cSKlaus Jensen 180488eea45cSKlaus Jensen if (act) { 180588eea45cSKlaus Jensen nvme_aor_inc_active(ns); 180688eea45cSKlaus Jensen } 180788eea45cSKlaus Jensen 180888eea45cSKlaus Jensen nvme_aor_inc_open(ns); 180988eea45cSKlaus Jensen 181088eea45cSKlaus Jensen if (flags & NVME_ZRM_AUTO) { 181188eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_IMPLICITLY_OPEN); 181288eea45cSKlaus Jensen return NVME_SUCCESS; 181388eea45cSKlaus Jensen } 181488eea45cSKlaus Jensen 181588eea45cSKlaus Jensen /* fallthrough */ 181688eea45cSKlaus Jensen 181788eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 181888eea45cSKlaus Jensen if (flags & NVME_ZRM_AUTO) { 181988eea45cSKlaus Jensen return NVME_SUCCESS; 182088eea45cSKlaus Jensen } 182188eea45cSKlaus Jensen 182288eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_EXPLICITLY_OPEN); 182388eea45cSKlaus Jensen 182488eea45cSKlaus Jensen /* fallthrough */ 182588eea45cSKlaus Jensen 182688eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 182788eea45cSKlaus Jensen return NVME_SUCCESS; 182888eea45cSKlaus Jensen 182988eea45cSKlaus Jensen default: 183088eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 183188eea45cSKlaus Jensen } 183288eea45cSKlaus Jensen } 183388eea45cSKlaus Jensen 1834cccc2651SNiklas Cassel static inline uint16_t nvme_zrm_auto(NvmeCtrl *n, NvmeNamespace *ns, 1835cccc2651SNiklas Cassel NvmeZone *zone) 183688eea45cSKlaus Jensen { 1837cccc2651SNiklas Cassel return nvme_zrm_open_flags(n, ns, zone, NVME_ZRM_AUTO); 183888eea45cSKlaus Jensen } 183988eea45cSKlaus Jensen 1840cccc2651SNiklas Cassel static inline uint16_t nvme_zrm_open(NvmeCtrl *n, NvmeNamespace *ns, 1841cccc2651SNiklas Cassel NvmeZone *zone) 184288eea45cSKlaus Jensen { 1843cccc2651SNiklas Cassel return nvme_zrm_open_flags(n, ns, zone, 0); 184488eea45cSKlaus Jensen } 184588eea45cSKlaus Jensen 184688eea45cSKlaus Jensen static void nvme_advance_zone_wp(NvmeNamespace *ns, NvmeZone *zone, 184788eea45cSKlaus Jensen uint32_t nlb) 184888eea45cSKlaus Jensen { 184988eea45cSKlaus Jensen zone->d.wp += nlb; 185088eea45cSKlaus Jensen 185188eea45cSKlaus Jensen if (zone->d.wp == nvme_zone_wr_boundary(zone)) { 185288eea45cSKlaus Jensen nvme_zrm_finish(ns, zone); 185388eea45cSKlaus Jensen } 185488eea45cSKlaus Jensen } 185588eea45cSKlaus Jensen 185688eea45cSKlaus Jensen static void nvme_finalize_zoned_write(NvmeNamespace *ns, NvmeRequest *req) 185788eea45cSKlaus Jensen { 185888eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 185988eea45cSKlaus Jensen NvmeZone *zone; 186088eea45cSKlaus Jensen uint64_t slba; 186188eea45cSKlaus Jensen uint32_t nlb; 186288eea45cSKlaus Jensen 186388eea45cSKlaus Jensen slba = le64_to_cpu(rw->slba); 186488eea45cSKlaus Jensen nlb = le16_to_cpu(rw->nlb) + 1; 186588eea45cSKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 1866189a8bf7SKlaus Jensen assert(zone); 186788eea45cSKlaus Jensen 186888eea45cSKlaus Jensen nvme_advance_zone_wp(ns, zone, nlb); 186988eea45cSKlaus Jensen } 187088eea45cSKlaus Jensen 187188eea45cSKlaus Jensen static inline bool nvme_is_write(NvmeRequest *req) 187288eea45cSKlaus Jensen { 187388eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 187488eea45cSKlaus Jensen 187588eea45cSKlaus Jensen return rw->opcode == NVME_CMD_WRITE || 187688eea45cSKlaus Jensen rw->opcode == NVME_CMD_ZONE_APPEND || 187788eea45cSKlaus Jensen rw->opcode == NVME_CMD_WRITE_ZEROES; 187888eea45cSKlaus Jensen } 187988eea45cSKlaus Jensen 188038f4ac65SKlaus Jensen static AioContext *nvme_get_aio_context(BlockAIOCB *acb) 188138f4ac65SKlaus Jensen { 188238f4ac65SKlaus Jensen return qemu_get_aio_context(); 188338f4ac65SKlaus Jensen } 188438f4ac65SKlaus Jensen 188588eea45cSKlaus Jensen static void nvme_misc_cb(void *opaque, int ret) 188688eea45cSKlaus Jensen { 188788eea45cSKlaus Jensen NvmeRequest *req = opaque; 188888eea45cSKlaus Jensen 188938f4ac65SKlaus Jensen trace_pci_nvme_misc_cb(nvme_cid(req)); 189088eea45cSKlaus Jensen 189188eea45cSKlaus Jensen if (ret) { 189288eea45cSKlaus Jensen nvme_aio_err(req, ret); 189388eea45cSKlaus Jensen } 189488eea45cSKlaus Jensen 189588eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 189688eea45cSKlaus Jensen } 189788eea45cSKlaus Jensen 189888eea45cSKlaus Jensen void nvme_rw_complete_cb(void *opaque, int ret) 189988eea45cSKlaus Jensen { 190088eea45cSKlaus Jensen NvmeRequest *req = opaque; 190188eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 190288eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 190388eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 190488eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 190588eea45cSKlaus Jensen 190688eea45cSKlaus Jensen trace_pci_nvme_rw_complete_cb(nvme_cid(req), blk_name(blk)); 190788eea45cSKlaus Jensen 190888eea45cSKlaus Jensen if (ret) { 190988eea45cSKlaus Jensen block_acct_failed(stats, acct); 191088eea45cSKlaus Jensen nvme_aio_err(req, ret); 191188eea45cSKlaus Jensen } else { 191288eea45cSKlaus Jensen block_acct_done(stats, acct); 191388eea45cSKlaus Jensen } 191488eea45cSKlaus Jensen 191588eea45cSKlaus Jensen if (ns->params.zoned && nvme_is_write(req)) { 191688eea45cSKlaus Jensen nvme_finalize_zoned_write(ns, req); 191788eea45cSKlaus Jensen } 191888eea45cSKlaus Jensen 191988eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 192088eea45cSKlaus Jensen } 192188eea45cSKlaus Jensen 192288eea45cSKlaus Jensen static void nvme_rw_cb(void *opaque, int ret) 192388eea45cSKlaus Jensen { 192488eea45cSKlaus Jensen NvmeRequest *req = opaque; 192588eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 192688eea45cSKlaus Jensen 192788eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 192888eea45cSKlaus Jensen 192988eea45cSKlaus Jensen trace_pci_nvme_rw_cb(nvme_cid(req), blk_name(blk)); 193088eea45cSKlaus Jensen 193188eea45cSKlaus Jensen if (ret) { 193288eea45cSKlaus Jensen goto out; 193388eea45cSKlaus Jensen } 193488eea45cSKlaus Jensen 193588eea45cSKlaus Jensen if (ns->lbaf.ms) { 193688eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 193788eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 193888eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 193988eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 194088eea45cSKlaus Jensen 194188eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_WRITE_ZEROES) { 194288eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 194388eea45cSKlaus Jensen 194488eea45cSKlaus Jensen req->aiocb = blk_aio_pwrite_zeroes(blk, offset, mlen, 194588eea45cSKlaus Jensen BDRV_REQ_MAY_UNMAP, 194688eea45cSKlaus Jensen nvme_rw_complete_cb, req); 194788eea45cSKlaus Jensen return; 194888eea45cSKlaus Jensen } 194988eea45cSKlaus Jensen 195088eea45cSKlaus Jensen if (nvme_ns_ext(ns) || req->cmd.mptr) { 195188eea45cSKlaus Jensen uint16_t status; 195288eea45cSKlaus Jensen 195388eea45cSKlaus Jensen nvme_sg_unmap(&req->sg); 195488eea45cSKlaus Jensen status = nvme_map_mdata(nvme_ctrl(req), nlb, req); 195588eea45cSKlaus Jensen if (status) { 195688eea45cSKlaus Jensen ret = -EFAULT; 195788eea45cSKlaus Jensen goto out; 195888eea45cSKlaus Jensen } 195988eea45cSKlaus Jensen 196088eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_READ) { 196188eea45cSKlaus Jensen return nvme_blk_read(blk, offset, nvme_rw_complete_cb, req); 196288eea45cSKlaus Jensen } 196388eea45cSKlaus Jensen 196488eea45cSKlaus Jensen return nvme_blk_write(blk, offset, nvme_rw_complete_cb, req); 196588eea45cSKlaus Jensen } 196688eea45cSKlaus Jensen } 196788eea45cSKlaus Jensen 196888eea45cSKlaus Jensen out: 196988eea45cSKlaus Jensen nvme_rw_complete_cb(req, ret); 197088eea45cSKlaus Jensen } 197188eea45cSKlaus Jensen 197288eea45cSKlaus Jensen static void nvme_verify_cb(void *opaque, int ret) 197388eea45cSKlaus Jensen { 197488eea45cSKlaus Jensen NvmeBounceContext *ctx = opaque; 197588eea45cSKlaus Jensen NvmeRequest *req = ctx->req; 197688eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 197788eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 197888eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 197988eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 198088eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 198188eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 19822a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 198388eea45cSKlaus Jensen uint16_t apptag = le16_to_cpu(rw->apptag); 198488eea45cSKlaus Jensen uint16_t appmask = le16_to_cpu(rw->appmask); 198588eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 198688eea45cSKlaus Jensen uint16_t status; 198788eea45cSKlaus Jensen 19882a132309SKlaus Jensen trace_pci_nvme_verify_cb(nvme_cid(req), prinfo, apptag, appmask, reftag); 198988eea45cSKlaus Jensen 199088eea45cSKlaus Jensen if (ret) { 199188eea45cSKlaus Jensen block_acct_failed(stats, acct); 199288eea45cSKlaus Jensen nvme_aio_err(req, ret); 199388eea45cSKlaus Jensen goto out; 199488eea45cSKlaus Jensen } 199588eea45cSKlaus Jensen 199688eea45cSKlaus Jensen block_acct_done(stats, acct); 199788eea45cSKlaus Jensen 199888eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 199988eea45cSKlaus Jensen status = nvme_dif_mangle_mdata(ns, ctx->mdata.bounce, 200088eea45cSKlaus Jensen ctx->mdata.iov.size, slba); 200188eea45cSKlaus Jensen if (status) { 200288eea45cSKlaus Jensen req->status = status; 200388eea45cSKlaus Jensen goto out; 200488eea45cSKlaus Jensen } 200588eea45cSKlaus Jensen 200688eea45cSKlaus Jensen req->status = nvme_dif_check(ns, ctx->data.bounce, ctx->data.iov.size, 200788eea45cSKlaus Jensen ctx->mdata.bounce, ctx->mdata.iov.size, 20082a132309SKlaus Jensen prinfo, slba, apptag, appmask, &reftag); 200988eea45cSKlaus Jensen } 201088eea45cSKlaus Jensen 201188eea45cSKlaus Jensen out: 201288eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 201388eea45cSKlaus Jensen g_free(ctx->data.bounce); 201488eea45cSKlaus Jensen 201588eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->mdata.iov); 201688eea45cSKlaus Jensen g_free(ctx->mdata.bounce); 201788eea45cSKlaus Jensen 201888eea45cSKlaus Jensen g_free(ctx); 201988eea45cSKlaus Jensen 202088eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 202188eea45cSKlaus Jensen } 202288eea45cSKlaus Jensen 202388eea45cSKlaus Jensen 202488eea45cSKlaus Jensen static void nvme_verify_mdata_in_cb(void *opaque, int ret) 202588eea45cSKlaus Jensen { 202688eea45cSKlaus Jensen NvmeBounceContext *ctx = opaque; 202788eea45cSKlaus Jensen NvmeRequest *req = ctx->req; 202888eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 202988eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 203088eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 203188eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 203288eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 203388eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 203488eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 203588eea45cSKlaus Jensen 203688eea45cSKlaus Jensen trace_pci_nvme_verify_mdata_in_cb(nvme_cid(req), blk_name(blk)); 203788eea45cSKlaus Jensen 203888eea45cSKlaus Jensen if (ret) { 203988eea45cSKlaus Jensen goto out; 204088eea45cSKlaus Jensen } 204188eea45cSKlaus Jensen 204288eea45cSKlaus Jensen ctx->mdata.bounce = g_malloc(mlen); 204388eea45cSKlaus Jensen 204488eea45cSKlaus Jensen qemu_iovec_reset(&ctx->mdata.iov); 204588eea45cSKlaus Jensen qemu_iovec_add(&ctx->mdata.iov, ctx->mdata.bounce, mlen); 204688eea45cSKlaus Jensen 204788eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->mdata.iov, 0, 204888eea45cSKlaus Jensen nvme_verify_cb, ctx); 204988eea45cSKlaus Jensen return; 205088eea45cSKlaus Jensen 205188eea45cSKlaus Jensen out: 205288eea45cSKlaus Jensen nvme_verify_cb(ctx, ret); 205388eea45cSKlaus Jensen } 205488eea45cSKlaus Jensen 205588eea45cSKlaus Jensen struct nvme_compare_ctx { 205688eea45cSKlaus Jensen struct { 205788eea45cSKlaus Jensen QEMUIOVector iov; 205888eea45cSKlaus Jensen uint8_t *bounce; 205988eea45cSKlaus Jensen } data; 206088eea45cSKlaus Jensen 206188eea45cSKlaus Jensen struct { 206288eea45cSKlaus Jensen QEMUIOVector iov; 206388eea45cSKlaus Jensen uint8_t *bounce; 206488eea45cSKlaus Jensen } mdata; 206588eea45cSKlaus Jensen }; 206688eea45cSKlaus Jensen 206788eea45cSKlaus Jensen static void nvme_compare_mdata_cb(void *opaque, int ret) 206888eea45cSKlaus Jensen { 206988eea45cSKlaus Jensen NvmeRequest *req = opaque; 207088eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 207188eea45cSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 207288eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 20732a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 207488eea45cSKlaus Jensen uint16_t apptag = le16_to_cpu(rw->apptag); 207588eea45cSKlaus Jensen uint16_t appmask = le16_to_cpu(rw->appmask); 207688eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 207788eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = req->opaque; 207888eea45cSKlaus Jensen g_autofree uint8_t *buf = NULL; 207988eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 208088eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 208188eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 208288eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 208388eea45cSKlaus Jensen 208488eea45cSKlaus Jensen trace_pci_nvme_compare_mdata_cb(nvme_cid(req)); 208588eea45cSKlaus Jensen 208688eea45cSKlaus Jensen if (ret) { 208788eea45cSKlaus Jensen block_acct_failed(stats, acct); 208888eea45cSKlaus Jensen nvme_aio_err(req, ret); 208988eea45cSKlaus Jensen goto out; 209088eea45cSKlaus Jensen } 209188eea45cSKlaus Jensen 209288eea45cSKlaus Jensen buf = g_malloc(ctx->mdata.iov.size); 209388eea45cSKlaus Jensen 209488eea45cSKlaus Jensen status = nvme_bounce_mdata(n, buf, ctx->mdata.iov.size, 209588eea45cSKlaus Jensen NVME_TX_DIRECTION_TO_DEVICE, req); 209688eea45cSKlaus Jensen if (status) { 209788eea45cSKlaus Jensen req->status = status; 209888eea45cSKlaus Jensen goto out; 209988eea45cSKlaus Jensen } 210088eea45cSKlaus Jensen 210188eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 210288eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 210388eea45cSKlaus Jensen uint8_t *bufp; 210488eea45cSKlaus Jensen uint8_t *mbufp = ctx->mdata.bounce; 210588eea45cSKlaus Jensen uint8_t *end = mbufp + ctx->mdata.iov.size; 210688eea45cSKlaus Jensen int16_t pil = 0; 210788eea45cSKlaus Jensen 210888eea45cSKlaus Jensen status = nvme_dif_check(ns, ctx->data.bounce, ctx->data.iov.size, 21092a132309SKlaus Jensen ctx->mdata.bounce, ctx->mdata.iov.size, prinfo, 21100ca5c3ccSKlaus Jensen slba, apptag, appmask, &reftag); 211188eea45cSKlaus Jensen if (status) { 211288eea45cSKlaus Jensen req->status = status; 211388eea45cSKlaus Jensen goto out; 211488eea45cSKlaus Jensen } 211588eea45cSKlaus Jensen 211688eea45cSKlaus Jensen /* 211788eea45cSKlaus Jensen * When formatted with protection information, do not compare the DIF 211888eea45cSKlaus Jensen * tuple. 211988eea45cSKlaus Jensen */ 212088eea45cSKlaus Jensen if (!(ns->id_ns.dps & NVME_ID_NS_DPS_FIRST_EIGHT)) { 212188eea45cSKlaus Jensen pil = ns->lbaf.ms - sizeof(NvmeDifTuple); 212288eea45cSKlaus Jensen } 212388eea45cSKlaus Jensen 212488eea45cSKlaus Jensen for (bufp = buf; mbufp < end; bufp += ns->lbaf.ms, mbufp += ns->lbaf.ms) { 212588eea45cSKlaus Jensen if (memcmp(bufp + pil, mbufp + pil, ns->lbaf.ms - pil)) { 212688eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 212788eea45cSKlaus Jensen goto out; 212888eea45cSKlaus Jensen } 212988eea45cSKlaus Jensen } 213088eea45cSKlaus Jensen 213188eea45cSKlaus Jensen goto out; 213288eea45cSKlaus Jensen } 213388eea45cSKlaus Jensen 213488eea45cSKlaus Jensen if (memcmp(buf, ctx->mdata.bounce, ctx->mdata.iov.size)) { 213588eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 213688eea45cSKlaus Jensen goto out; 213788eea45cSKlaus Jensen } 213888eea45cSKlaus Jensen 213988eea45cSKlaus Jensen block_acct_done(stats, acct); 214088eea45cSKlaus Jensen 214188eea45cSKlaus Jensen out: 214288eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 214388eea45cSKlaus Jensen g_free(ctx->data.bounce); 214488eea45cSKlaus Jensen 214588eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->mdata.iov); 214688eea45cSKlaus Jensen g_free(ctx->mdata.bounce); 214788eea45cSKlaus Jensen 214888eea45cSKlaus Jensen g_free(ctx); 214988eea45cSKlaus Jensen 215088eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 215188eea45cSKlaus Jensen } 215288eea45cSKlaus Jensen 215388eea45cSKlaus Jensen static void nvme_compare_data_cb(void *opaque, int ret) 215488eea45cSKlaus Jensen { 215588eea45cSKlaus Jensen NvmeRequest *req = opaque; 215688eea45cSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 215788eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 215888eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 215988eea45cSKlaus Jensen BlockAcctCookie *acct = &req->acct; 216088eea45cSKlaus Jensen BlockAcctStats *stats = blk_get_stats(blk); 216188eea45cSKlaus Jensen 216288eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = req->opaque; 216388eea45cSKlaus Jensen g_autofree uint8_t *buf = NULL; 216488eea45cSKlaus Jensen uint16_t status; 216588eea45cSKlaus Jensen 216688eea45cSKlaus Jensen trace_pci_nvme_compare_data_cb(nvme_cid(req)); 216788eea45cSKlaus Jensen 216888eea45cSKlaus Jensen if (ret) { 216988eea45cSKlaus Jensen block_acct_failed(stats, acct); 217088eea45cSKlaus Jensen nvme_aio_err(req, ret); 217188eea45cSKlaus Jensen goto out; 217288eea45cSKlaus Jensen } 217388eea45cSKlaus Jensen 217488eea45cSKlaus Jensen buf = g_malloc(ctx->data.iov.size); 217588eea45cSKlaus Jensen 217688eea45cSKlaus Jensen status = nvme_bounce_data(n, buf, ctx->data.iov.size, 217788eea45cSKlaus Jensen NVME_TX_DIRECTION_TO_DEVICE, req); 217888eea45cSKlaus Jensen if (status) { 217988eea45cSKlaus Jensen req->status = status; 218088eea45cSKlaus Jensen goto out; 218188eea45cSKlaus Jensen } 218288eea45cSKlaus Jensen 218388eea45cSKlaus Jensen if (memcmp(buf, ctx->data.bounce, ctx->data.iov.size)) { 218488eea45cSKlaus Jensen req->status = NVME_CMP_FAILURE; 218588eea45cSKlaus Jensen goto out; 218688eea45cSKlaus Jensen } 218788eea45cSKlaus Jensen 218888eea45cSKlaus Jensen if (ns->lbaf.ms) { 218988eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 219088eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 219188eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 219288eea45cSKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 219388eea45cSKlaus Jensen uint64_t offset = nvme_moff(ns, slba); 219488eea45cSKlaus Jensen 219588eea45cSKlaus Jensen ctx->mdata.bounce = g_malloc(mlen); 219688eea45cSKlaus Jensen 219788eea45cSKlaus Jensen qemu_iovec_init(&ctx->mdata.iov, 1); 219888eea45cSKlaus Jensen qemu_iovec_add(&ctx->mdata.iov, ctx->mdata.bounce, mlen); 219988eea45cSKlaus Jensen 220088eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->mdata.iov, 0, 220188eea45cSKlaus Jensen nvme_compare_mdata_cb, req); 220288eea45cSKlaus Jensen return; 220388eea45cSKlaus Jensen } 220488eea45cSKlaus Jensen 220588eea45cSKlaus Jensen block_acct_done(stats, acct); 220688eea45cSKlaus Jensen 220788eea45cSKlaus Jensen out: 220888eea45cSKlaus Jensen qemu_iovec_destroy(&ctx->data.iov); 220988eea45cSKlaus Jensen g_free(ctx->data.bounce); 221088eea45cSKlaus Jensen g_free(ctx); 221188eea45cSKlaus Jensen 221288eea45cSKlaus Jensen nvme_enqueue_req_completion(nvme_cq(req), req); 221388eea45cSKlaus Jensen } 221488eea45cSKlaus Jensen 2215d7d1474fSKlaus Jensen typedef struct NvmeDSMAIOCB { 2216d7d1474fSKlaus Jensen BlockAIOCB common; 2217d7d1474fSKlaus Jensen BlockAIOCB *aiocb; 2218d7d1474fSKlaus Jensen NvmeRequest *req; 2219d7d1474fSKlaus Jensen QEMUBH *bh; 2220d7d1474fSKlaus Jensen int ret; 2221d7d1474fSKlaus Jensen 2222d7d1474fSKlaus Jensen NvmeDsmRange *range; 2223d7d1474fSKlaus Jensen unsigned int nr; 2224d7d1474fSKlaus Jensen unsigned int idx; 2225d7d1474fSKlaus Jensen } NvmeDSMAIOCB; 2226d7d1474fSKlaus Jensen 2227d7d1474fSKlaus Jensen static void nvme_dsm_cancel(BlockAIOCB *aiocb) 2228d7d1474fSKlaus Jensen { 2229d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = container_of(aiocb, NvmeDSMAIOCB, common); 2230d7d1474fSKlaus Jensen 2231d7d1474fSKlaus Jensen /* break nvme_dsm_cb loop */ 2232d7d1474fSKlaus Jensen iocb->idx = iocb->nr; 2233d7d1474fSKlaus Jensen iocb->ret = -ECANCELED; 2234d7d1474fSKlaus Jensen 2235d7d1474fSKlaus Jensen if (iocb->aiocb) { 2236d7d1474fSKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 2237d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2238d7d1474fSKlaus Jensen } else { 2239d7d1474fSKlaus Jensen /* 2240d7d1474fSKlaus Jensen * We only reach this if nvme_dsm_cancel() has already been called or 2241d7d1474fSKlaus Jensen * the command ran to completion and nvme_dsm_bh is scheduled to run. 2242d7d1474fSKlaus Jensen */ 2243d7d1474fSKlaus Jensen assert(iocb->idx == iocb->nr); 2244d7d1474fSKlaus Jensen } 2245d7d1474fSKlaus Jensen } 2246d7d1474fSKlaus Jensen 2247d7d1474fSKlaus Jensen static const AIOCBInfo nvme_dsm_aiocb_info = { 2248d7d1474fSKlaus Jensen .aiocb_size = sizeof(NvmeDSMAIOCB), 2249d7d1474fSKlaus Jensen .cancel_async = nvme_dsm_cancel, 2250d7d1474fSKlaus Jensen }; 2251d7d1474fSKlaus Jensen 2252d7d1474fSKlaus Jensen static void nvme_dsm_bh(void *opaque) 2253d7d1474fSKlaus Jensen { 2254d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2255d7d1474fSKlaus Jensen 2256d7d1474fSKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 2257d7d1474fSKlaus Jensen 2258d7d1474fSKlaus Jensen qemu_bh_delete(iocb->bh); 2259d7d1474fSKlaus Jensen iocb->bh = NULL; 2260d7d1474fSKlaus Jensen qemu_aio_unref(iocb); 2261d7d1474fSKlaus Jensen } 2262d7d1474fSKlaus Jensen 2263d7d1474fSKlaus Jensen static void nvme_dsm_cb(void *opaque, int ret); 2264d7d1474fSKlaus Jensen 2265d7d1474fSKlaus Jensen static void nvme_dsm_md_cb(void *opaque, int ret) 2266d7d1474fSKlaus Jensen { 2267d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2268d7d1474fSKlaus Jensen NvmeRequest *req = iocb->req; 2269d7d1474fSKlaus Jensen NvmeNamespace *ns = req->ns; 2270d7d1474fSKlaus Jensen NvmeDsmRange *range; 2271d7d1474fSKlaus Jensen uint64_t slba; 2272d7d1474fSKlaus Jensen uint32_t nlb; 2273d7d1474fSKlaus Jensen 2274d7d1474fSKlaus Jensen if (ret < 0) { 2275d7d1474fSKlaus Jensen iocb->ret = ret; 2276d7d1474fSKlaus Jensen goto done; 2277d7d1474fSKlaus Jensen } 2278d7d1474fSKlaus Jensen 2279d7d1474fSKlaus Jensen if (!ns->lbaf.ms) { 2280d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 2281d7d1474fSKlaus Jensen return; 2282d7d1474fSKlaus Jensen } 2283d7d1474fSKlaus Jensen 2284d7d1474fSKlaus Jensen range = &iocb->range[iocb->idx - 1]; 2285d7d1474fSKlaus Jensen slba = le64_to_cpu(range->slba); 2286d7d1474fSKlaus Jensen nlb = le32_to_cpu(range->nlb); 2287d7d1474fSKlaus Jensen 2288d7d1474fSKlaus Jensen /* 2289d7d1474fSKlaus Jensen * Check that all block were discarded (zeroed); otherwise we do not zero 2290d7d1474fSKlaus Jensen * the metadata. 2291d7d1474fSKlaus Jensen */ 2292d7d1474fSKlaus Jensen 2293d7d1474fSKlaus Jensen ret = nvme_block_status_all(ns, slba, nlb, BDRV_BLOCK_ZERO); 2294d7d1474fSKlaus Jensen if (ret) { 2295d7d1474fSKlaus Jensen if (ret < 0) { 2296d7d1474fSKlaus Jensen iocb->ret = ret; 2297d7d1474fSKlaus Jensen goto done; 2298d7d1474fSKlaus Jensen } 2299d7d1474fSKlaus Jensen 2300d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 2301d7d1474fSKlaus Jensen } 2302d7d1474fSKlaus Jensen 2303d7d1474fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, nvme_moff(ns, slba), 2304d7d1474fSKlaus Jensen nvme_m2b(ns, nlb), BDRV_REQ_MAY_UNMAP, 2305d7d1474fSKlaus Jensen nvme_dsm_cb, iocb); 2306d7d1474fSKlaus Jensen return; 2307d7d1474fSKlaus Jensen 2308d7d1474fSKlaus Jensen done: 2309d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2310d7d1474fSKlaus Jensen qemu_bh_schedule(iocb->bh); 2311d7d1474fSKlaus Jensen } 2312d7d1474fSKlaus Jensen 2313d7d1474fSKlaus Jensen static void nvme_dsm_cb(void *opaque, int ret) 2314d7d1474fSKlaus Jensen { 2315d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = opaque; 2316d7d1474fSKlaus Jensen NvmeRequest *req = iocb->req; 2317d7d1474fSKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 2318d7d1474fSKlaus Jensen NvmeNamespace *ns = req->ns; 2319d7d1474fSKlaus Jensen NvmeDsmRange *range; 2320d7d1474fSKlaus Jensen uint64_t slba; 2321d7d1474fSKlaus Jensen uint32_t nlb; 2322d7d1474fSKlaus Jensen 2323d7d1474fSKlaus Jensen if (ret < 0) { 2324d7d1474fSKlaus Jensen iocb->ret = ret; 2325d7d1474fSKlaus Jensen goto done; 2326d7d1474fSKlaus Jensen } 2327d7d1474fSKlaus Jensen 2328d7d1474fSKlaus Jensen next: 2329d7d1474fSKlaus Jensen if (iocb->idx == iocb->nr) { 2330d7d1474fSKlaus Jensen goto done; 2331d7d1474fSKlaus Jensen } 2332d7d1474fSKlaus Jensen 2333d7d1474fSKlaus Jensen range = &iocb->range[iocb->idx++]; 2334d7d1474fSKlaus Jensen slba = le64_to_cpu(range->slba); 2335d7d1474fSKlaus Jensen nlb = le32_to_cpu(range->nlb); 2336d7d1474fSKlaus Jensen 2337d7d1474fSKlaus Jensen trace_pci_nvme_dsm_deallocate(slba, nlb); 2338d7d1474fSKlaus Jensen 2339d7d1474fSKlaus Jensen if (nlb > n->dmrsl) { 2340d7d1474fSKlaus Jensen trace_pci_nvme_dsm_single_range_limit_exceeded(nlb, n->dmrsl); 2341d7d1474fSKlaus Jensen goto next; 2342d7d1474fSKlaus Jensen } 2343d7d1474fSKlaus Jensen 2344d7d1474fSKlaus Jensen if (nvme_check_bounds(ns, slba, nlb)) { 2345d7d1474fSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(slba, nlb, 2346d7d1474fSKlaus Jensen ns->id_ns.nsze); 2347d7d1474fSKlaus Jensen goto next; 2348d7d1474fSKlaus Jensen } 2349d7d1474fSKlaus Jensen 2350d7d1474fSKlaus Jensen iocb->aiocb = blk_aio_pdiscard(ns->blkconf.blk, nvme_l2b(ns, slba), 2351d7d1474fSKlaus Jensen nvme_l2b(ns, nlb), 2352d7d1474fSKlaus Jensen nvme_dsm_md_cb, iocb); 2353d7d1474fSKlaus Jensen return; 2354d7d1474fSKlaus Jensen 2355d7d1474fSKlaus Jensen done: 2356d7d1474fSKlaus Jensen iocb->aiocb = NULL; 2357d7d1474fSKlaus Jensen qemu_bh_schedule(iocb->bh); 2358d7d1474fSKlaus Jensen } 2359d7d1474fSKlaus Jensen 236088eea45cSKlaus Jensen static uint16_t nvme_dsm(NvmeCtrl *n, NvmeRequest *req) 236188eea45cSKlaus Jensen { 236288eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 236388eea45cSKlaus Jensen NvmeDsmCmd *dsm = (NvmeDsmCmd *) &req->cmd; 236488eea45cSKlaus Jensen uint32_t attr = le32_to_cpu(dsm->attributes); 236588eea45cSKlaus Jensen uint32_t nr = (le32_to_cpu(dsm->nr) & 0xff) + 1; 236688eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 236788eea45cSKlaus Jensen 2368d7d1474fSKlaus Jensen trace_pci_nvme_dsm(nr, attr); 236988eea45cSKlaus Jensen 237088eea45cSKlaus Jensen if (attr & NVME_DSMGMT_AD) { 2371d7d1474fSKlaus Jensen NvmeDSMAIOCB *iocb = blk_aio_get(&nvme_dsm_aiocb_info, ns->blkconf.blk, 2372d7d1474fSKlaus Jensen nvme_misc_cb, req); 237388eea45cSKlaus Jensen 2374d7d1474fSKlaus Jensen iocb->req = req; 2375d7d1474fSKlaus Jensen iocb->bh = qemu_bh_new(nvme_dsm_bh, iocb); 2376d7d1474fSKlaus Jensen iocb->ret = 0; 2377d7d1474fSKlaus Jensen iocb->range = g_new(NvmeDsmRange, nr); 2378d7d1474fSKlaus Jensen iocb->nr = nr; 2379d7d1474fSKlaus Jensen iocb->idx = 0; 2380d7d1474fSKlaus Jensen 2381d7d1474fSKlaus Jensen status = nvme_h2c(n, (uint8_t *)iocb->range, sizeof(NvmeDsmRange) * nr, 2382d7d1474fSKlaus Jensen req); 238388eea45cSKlaus Jensen if (status) { 238488eea45cSKlaus Jensen return status; 238588eea45cSKlaus Jensen } 238688eea45cSKlaus Jensen 2387d7d1474fSKlaus Jensen req->aiocb = &iocb->common; 2388d7d1474fSKlaus Jensen nvme_dsm_cb(iocb, 0); 238988eea45cSKlaus Jensen 2390d7d1474fSKlaus Jensen return NVME_NO_COMPLETE; 239188eea45cSKlaus Jensen } 239288eea45cSKlaus Jensen 239388eea45cSKlaus Jensen return status; 239488eea45cSKlaus Jensen } 239588eea45cSKlaus Jensen 239688eea45cSKlaus Jensen static uint16_t nvme_verify(NvmeCtrl *n, NvmeRequest *req) 239788eea45cSKlaus Jensen { 239888eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 239988eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 240088eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 240188eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 240288eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 240388eea45cSKlaus Jensen size_t len = nvme_l2b(ns, nlb); 240488eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 24052a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 240688eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 240788eea45cSKlaus Jensen NvmeBounceContext *ctx = NULL; 240888eea45cSKlaus Jensen uint16_t status; 240988eea45cSKlaus Jensen 241088eea45cSKlaus Jensen trace_pci_nvme_verify(nvme_cid(req), nvme_nsid(ns), slba, nlb); 241188eea45cSKlaus Jensen 241288eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 24132a132309SKlaus Jensen status = nvme_check_prinfo(ns, prinfo, slba, reftag); 241488eea45cSKlaus Jensen if (status) { 241588eea45cSKlaus Jensen return status; 241688eea45cSKlaus Jensen } 241788eea45cSKlaus Jensen 24182a132309SKlaus Jensen if (prinfo & NVME_PRINFO_PRACT) { 241988eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 242088eea45cSKlaus Jensen } 242188eea45cSKlaus Jensen } 242288eea45cSKlaus Jensen 242388eea45cSKlaus Jensen if (len > n->page_size << n->params.vsl) { 242488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 242588eea45cSKlaus Jensen } 242688eea45cSKlaus Jensen 242788eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 242888eea45cSKlaus Jensen if (status) { 242988eea45cSKlaus Jensen return status; 243088eea45cSKlaus Jensen } 243188eea45cSKlaus Jensen 243288eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 243388eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 243488eea45cSKlaus Jensen if (status) { 243588eea45cSKlaus Jensen return status; 243688eea45cSKlaus Jensen } 243788eea45cSKlaus Jensen } 243888eea45cSKlaus Jensen 243988eea45cSKlaus Jensen ctx = g_new0(NvmeBounceContext, 1); 244088eea45cSKlaus Jensen ctx->req = req; 244188eea45cSKlaus Jensen 244288eea45cSKlaus Jensen ctx->data.bounce = g_malloc(len); 244388eea45cSKlaus Jensen 244488eea45cSKlaus Jensen qemu_iovec_init(&ctx->data.iov, 1); 244588eea45cSKlaus Jensen qemu_iovec_add(&ctx->data.iov, ctx->data.bounce, len); 244688eea45cSKlaus Jensen 244788eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, ctx->data.iov.size, 244888eea45cSKlaus Jensen BLOCK_ACCT_READ); 244988eea45cSKlaus Jensen 245088eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(ns->blkconf.blk, offset, &ctx->data.iov, 0, 245188eea45cSKlaus Jensen nvme_verify_mdata_in_cb, ctx); 245288eea45cSKlaus Jensen return NVME_NO_COMPLETE; 245388eea45cSKlaus Jensen } 245488eea45cSKlaus Jensen 2455796d2068SKlaus Jensen typedef struct NvmeCopyAIOCB { 2456796d2068SKlaus Jensen BlockAIOCB common; 2457796d2068SKlaus Jensen BlockAIOCB *aiocb; 2458796d2068SKlaus Jensen NvmeRequest *req; 2459796d2068SKlaus Jensen QEMUBH *bh; 2460796d2068SKlaus Jensen int ret; 2461796d2068SKlaus Jensen 2462796d2068SKlaus Jensen NvmeCopySourceRange *ranges; 2463796d2068SKlaus Jensen int nr; 2464796d2068SKlaus Jensen int idx; 2465796d2068SKlaus Jensen 2466796d2068SKlaus Jensen uint8_t *bounce; 2467796d2068SKlaus Jensen QEMUIOVector iov; 2468796d2068SKlaus Jensen struct { 2469796d2068SKlaus Jensen BlockAcctCookie read; 2470796d2068SKlaus Jensen BlockAcctCookie write; 2471796d2068SKlaus Jensen } acct; 2472796d2068SKlaus Jensen 2473796d2068SKlaus Jensen uint32_t reftag; 2474796d2068SKlaus Jensen uint64_t slba; 2475796d2068SKlaus Jensen 2476796d2068SKlaus Jensen NvmeZone *zone; 2477796d2068SKlaus Jensen } NvmeCopyAIOCB; 2478796d2068SKlaus Jensen 2479796d2068SKlaus Jensen static void nvme_copy_cancel(BlockAIOCB *aiocb) 248088eea45cSKlaus Jensen { 2481796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = container_of(aiocb, NvmeCopyAIOCB, common); 2482796d2068SKlaus Jensen 2483796d2068SKlaus Jensen iocb->ret = -ECANCELED; 2484796d2068SKlaus Jensen 2485796d2068SKlaus Jensen if (iocb->aiocb) { 2486796d2068SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 2487796d2068SKlaus Jensen iocb->aiocb = NULL; 2488796d2068SKlaus Jensen } 2489796d2068SKlaus Jensen } 2490796d2068SKlaus Jensen 2491796d2068SKlaus Jensen static const AIOCBInfo nvme_copy_aiocb_info = { 2492796d2068SKlaus Jensen .aiocb_size = sizeof(NvmeCopyAIOCB), 2493796d2068SKlaus Jensen .cancel_async = nvme_copy_cancel, 2494796d2068SKlaus Jensen }; 2495796d2068SKlaus Jensen 2496796d2068SKlaus Jensen static void nvme_copy_bh(void *opaque) 2497796d2068SKlaus Jensen { 2498796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2499796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 250088eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 2501796d2068SKlaus Jensen BlockAcctStats *stats = blk_get_stats(ns->blkconf.blk); 2502796d2068SKlaus Jensen 2503796d2068SKlaus Jensen if (iocb->idx != iocb->nr) { 2504796d2068SKlaus Jensen req->cqe.result = cpu_to_le32(iocb->idx); 2505796d2068SKlaus Jensen } 2506796d2068SKlaus Jensen 2507796d2068SKlaus Jensen qemu_iovec_destroy(&iocb->iov); 2508796d2068SKlaus Jensen g_free(iocb->bounce); 2509796d2068SKlaus Jensen 2510796d2068SKlaus Jensen qemu_bh_delete(iocb->bh); 2511796d2068SKlaus Jensen iocb->bh = NULL; 2512796d2068SKlaus Jensen 2513796d2068SKlaus Jensen if (iocb->ret < 0) { 2514796d2068SKlaus Jensen block_acct_failed(stats, &iocb->acct.read); 2515796d2068SKlaus Jensen block_acct_failed(stats, &iocb->acct.write); 2516796d2068SKlaus Jensen } else { 2517796d2068SKlaus Jensen block_acct_done(stats, &iocb->acct.read); 2518796d2068SKlaus Jensen block_acct_done(stats, &iocb->acct.write); 2519796d2068SKlaus Jensen } 2520796d2068SKlaus Jensen 2521796d2068SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 2522796d2068SKlaus Jensen qemu_aio_unref(iocb); 2523796d2068SKlaus Jensen } 2524796d2068SKlaus Jensen 2525796d2068SKlaus Jensen static void nvme_copy_cb(void *opaque, int ret); 2526796d2068SKlaus Jensen 2527796d2068SKlaus Jensen static void nvme_copy_out_completed_cb(void *opaque, int ret) 2528796d2068SKlaus Jensen { 2529796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2530796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2531796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2532796d2068SKlaus Jensen NvmeCopySourceRange *range = &iocb->ranges[iocb->idx]; 2533796d2068SKlaus Jensen uint32_t nlb = le32_to_cpu(range->nlb) + 1; 2534796d2068SKlaus Jensen 2535796d2068SKlaus Jensen if (ret < 0) { 2536796d2068SKlaus Jensen iocb->ret = ret; 2537796d2068SKlaus Jensen goto out; 2538796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2539796d2068SKlaus Jensen goto out; 2540796d2068SKlaus Jensen } 2541796d2068SKlaus Jensen 2542796d2068SKlaus Jensen if (ns->params.zoned) { 2543796d2068SKlaus Jensen nvme_advance_zone_wp(ns, iocb->zone, nlb); 2544796d2068SKlaus Jensen } 2545796d2068SKlaus Jensen 2546796d2068SKlaus Jensen iocb->idx++; 2547796d2068SKlaus Jensen iocb->slba += nlb; 2548796d2068SKlaus Jensen out: 2549796d2068SKlaus Jensen nvme_copy_cb(iocb, iocb->ret); 2550796d2068SKlaus Jensen } 2551796d2068SKlaus Jensen 2552796d2068SKlaus Jensen static void nvme_copy_out_cb(void *opaque, int ret) 2553796d2068SKlaus Jensen { 2554796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2555796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2556796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2557796d2068SKlaus Jensen NvmeCopySourceRange *range; 2558796d2068SKlaus Jensen uint32_t nlb; 2559796d2068SKlaus Jensen size_t mlen; 2560796d2068SKlaus Jensen uint8_t *mbounce; 2561796d2068SKlaus Jensen 2562796d2068SKlaus Jensen if (ret < 0) { 2563796d2068SKlaus Jensen iocb->ret = ret; 2564796d2068SKlaus Jensen goto out; 2565796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2566796d2068SKlaus Jensen goto out; 2567796d2068SKlaus Jensen } 2568796d2068SKlaus Jensen 2569796d2068SKlaus Jensen if (!ns->lbaf.ms) { 2570796d2068SKlaus Jensen nvme_copy_out_completed_cb(iocb, 0); 2571796d2068SKlaus Jensen return; 2572796d2068SKlaus Jensen } 2573796d2068SKlaus Jensen 2574796d2068SKlaus Jensen range = &iocb->ranges[iocb->idx]; 2575796d2068SKlaus Jensen nlb = le32_to_cpu(range->nlb) + 1; 2576796d2068SKlaus Jensen 2577796d2068SKlaus Jensen mlen = nvme_m2b(ns, nlb); 2578796d2068SKlaus Jensen mbounce = iocb->bounce + nvme_l2b(ns, nlb); 2579796d2068SKlaus Jensen 2580796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2581796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, mbounce, mlen); 2582796d2068SKlaus Jensen 2583796d2068SKlaus Jensen iocb->aiocb = blk_aio_pwritev(ns->blkconf.blk, nvme_moff(ns, iocb->slba), 2584796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_out_completed_cb, 2585796d2068SKlaus Jensen iocb); 2586796d2068SKlaus Jensen 2587796d2068SKlaus Jensen return; 2588796d2068SKlaus Jensen 2589796d2068SKlaus Jensen out: 2590796d2068SKlaus Jensen nvme_copy_cb(iocb, ret); 2591796d2068SKlaus Jensen } 2592796d2068SKlaus Jensen 2593796d2068SKlaus Jensen static void nvme_copy_in_completed_cb(void *opaque, int ret) 2594796d2068SKlaus Jensen { 2595796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2596796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2597796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2598796d2068SKlaus Jensen NvmeCopySourceRange *range; 2599796d2068SKlaus Jensen uint32_t nlb; 2600796d2068SKlaus Jensen size_t len; 2601796d2068SKlaus Jensen uint16_t status; 2602796d2068SKlaus Jensen 2603796d2068SKlaus Jensen if (ret < 0) { 2604796d2068SKlaus Jensen iocb->ret = ret; 2605796d2068SKlaus Jensen goto out; 2606796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2607796d2068SKlaus Jensen goto out; 2608796d2068SKlaus Jensen } 2609796d2068SKlaus Jensen 2610796d2068SKlaus Jensen range = &iocb->ranges[iocb->idx]; 2611796d2068SKlaus Jensen nlb = le32_to_cpu(range->nlb) + 1; 2612796d2068SKlaus Jensen len = nvme_l2b(ns, nlb); 2613796d2068SKlaus Jensen 2614796d2068SKlaus Jensen trace_pci_nvme_copy_out(iocb->slba, nlb); 2615796d2068SKlaus Jensen 2616796d2068SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 261788eea45cSKlaus Jensen NvmeCopyCmd *copy = (NvmeCopyCmd *)&req->cmd; 261888eea45cSKlaus Jensen 2619796d2068SKlaus Jensen uint16_t prinfor = ((copy->control[0] >> 4) & 0xf); 2620796d2068SKlaus Jensen uint16_t prinfow = ((copy->control[2] >> 2) & 0xf); 262188eea45cSKlaus Jensen 2622796d2068SKlaus Jensen uint16_t apptag = le16_to_cpu(range->apptag); 2623796d2068SKlaus Jensen uint16_t appmask = le16_to_cpu(range->appmask); 2624796d2068SKlaus Jensen uint32_t reftag = le32_to_cpu(range->reftag); 2625796d2068SKlaus Jensen 2626796d2068SKlaus Jensen uint64_t slba = le64_to_cpu(range->slba); 2627796d2068SKlaus Jensen size_t mlen = nvme_m2b(ns, nlb); 2628796d2068SKlaus Jensen uint8_t *mbounce = iocb->bounce + nvme_l2b(ns, nlb); 2629796d2068SKlaus Jensen 2630796d2068SKlaus Jensen status = nvme_dif_check(ns, iocb->bounce, len, mbounce, mlen, prinfor, 2631796d2068SKlaus Jensen slba, apptag, appmask, &reftag); 2632796d2068SKlaus Jensen if (status) { 2633796d2068SKlaus Jensen goto invalid; 2634796d2068SKlaus Jensen } 2635796d2068SKlaus Jensen 2636796d2068SKlaus Jensen apptag = le16_to_cpu(copy->apptag); 2637796d2068SKlaus Jensen appmask = le16_to_cpu(copy->appmask); 2638796d2068SKlaus Jensen 2639796d2068SKlaus Jensen if (prinfow & NVME_PRINFO_PRACT) { 2640796d2068SKlaus Jensen status = nvme_check_prinfo(ns, prinfow, iocb->slba, iocb->reftag); 2641796d2068SKlaus Jensen if (status) { 2642796d2068SKlaus Jensen goto invalid; 2643796d2068SKlaus Jensen } 2644796d2068SKlaus Jensen 2645796d2068SKlaus Jensen nvme_dif_pract_generate_dif(ns, iocb->bounce, len, mbounce, mlen, 2646796d2068SKlaus Jensen apptag, &iocb->reftag); 2647796d2068SKlaus Jensen } else { 2648796d2068SKlaus Jensen status = nvme_dif_check(ns, iocb->bounce, len, mbounce, mlen, 2649796d2068SKlaus Jensen prinfow, iocb->slba, apptag, appmask, 2650796d2068SKlaus Jensen &iocb->reftag); 2651796d2068SKlaus Jensen if (status) { 2652796d2068SKlaus Jensen goto invalid; 2653796d2068SKlaus Jensen } 2654796d2068SKlaus Jensen } 2655796d2068SKlaus Jensen } 2656796d2068SKlaus Jensen 2657796d2068SKlaus Jensen status = nvme_check_bounds(ns, iocb->slba, nlb); 2658796d2068SKlaus Jensen if (status) { 2659796d2068SKlaus Jensen goto invalid; 2660796d2068SKlaus Jensen } 2661796d2068SKlaus Jensen 2662796d2068SKlaus Jensen if (ns->params.zoned) { 2663796d2068SKlaus Jensen status = nvme_check_zone_write(ns, iocb->zone, iocb->slba, nlb); 2664796d2068SKlaus Jensen if (status) { 2665796d2068SKlaus Jensen goto invalid; 2666796d2068SKlaus Jensen } 2667796d2068SKlaus Jensen 2668796d2068SKlaus Jensen iocb->zone->w_ptr += nlb; 2669796d2068SKlaus Jensen } 2670796d2068SKlaus Jensen 2671796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2672796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce, len); 2673796d2068SKlaus Jensen 2674796d2068SKlaus Jensen iocb->aiocb = blk_aio_pwritev(ns->blkconf.blk, nvme_l2b(ns, iocb->slba), 2675796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_out_cb, iocb); 2676796d2068SKlaus Jensen 2677796d2068SKlaus Jensen return; 2678796d2068SKlaus Jensen 2679796d2068SKlaus Jensen invalid: 2680796d2068SKlaus Jensen req->status = status; 2681796d2068SKlaus Jensen iocb->aiocb = NULL; 2682796d2068SKlaus Jensen if (iocb->bh) { 2683796d2068SKlaus Jensen qemu_bh_schedule(iocb->bh); 2684796d2068SKlaus Jensen } 2685796d2068SKlaus Jensen 2686796d2068SKlaus Jensen return; 2687796d2068SKlaus Jensen 2688796d2068SKlaus Jensen out: 2689796d2068SKlaus Jensen nvme_copy_cb(iocb, ret); 2690796d2068SKlaus Jensen } 2691796d2068SKlaus Jensen 2692796d2068SKlaus Jensen static void nvme_copy_in_cb(void *opaque, int ret) 2693796d2068SKlaus Jensen { 2694796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2695796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2696796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2697796d2068SKlaus Jensen NvmeCopySourceRange *range; 2698796d2068SKlaus Jensen uint64_t slba; 2699796d2068SKlaus Jensen uint32_t nlb; 2700796d2068SKlaus Jensen 2701796d2068SKlaus Jensen if (ret < 0) { 2702796d2068SKlaus Jensen iocb->ret = ret; 2703796d2068SKlaus Jensen goto out; 2704796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2705796d2068SKlaus Jensen goto out; 2706796d2068SKlaus Jensen } 2707796d2068SKlaus Jensen 2708796d2068SKlaus Jensen if (!ns->lbaf.ms) { 2709796d2068SKlaus Jensen nvme_copy_in_completed_cb(iocb, 0); 2710796d2068SKlaus Jensen return; 2711796d2068SKlaus Jensen } 2712796d2068SKlaus Jensen 2713796d2068SKlaus Jensen range = &iocb->ranges[iocb->idx]; 2714796d2068SKlaus Jensen slba = le64_to_cpu(range->slba); 2715796d2068SKlaus Jensen nlb = le32_to_cpu(range->nlb) + 1; 2716796d2068SKlaus Jensen 2717796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2718796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce + nvme_l2b(ns, nlb), 2719796d2068SKlaus Jensen nvme_m2b(ns, nlb)); 2720796d2068SKlaus Jensen 2721796d2068SKlaus Jensen iocb->aiocb = blk_aio_preadv(ns->blkconf.blk, nvme_moff(ns, slba), 2722796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_in_completed_cb, 2723796d2068SKlaus Jensen iocb); 2724796d2068SKlaus Jensen return; 2725796d2068SKlaus Jensen 2726796d2068SKlaus Jensen out: 2727796d2068SKlaus Jensen nvme_copy_cb(iocb, iocb->ret); 2728796d2068SKlaus Jensen } 2729796d2068SKlaus Jensen 2730796d2068SKlaus Jensen static void nvme_copy_cb(void *opaque, int ret) 2731796d2068SKlaus Jensen { 2732796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = opaque; 2733796d2068SKlaus Jensen NvmeRequest *req = iocb->req; 2734796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2735796d2068SKlaus Jensen NvmeCopySourceRange *range; 2736796d2068SKlaus Jensen uint64_t slba; 2737796d2068SKlaus Jensen uint32_t nlb; 2738796d2068SKlaus Jensen size_t len; 273988eea45cSKlaus Jensen uint16_t status; 274088eea45cSKlaus Jensen 2741796d2068SKlaus Jensen if (ret < 0) { 2742796d2068SKlaus Jensen iocb->ret = ret; 2743796d2068SKlaus Jensen goto done; 2744796d2068SKlaus Jensen } else if (iocb->ret < 0) { 2745796d2068SKlaus Jensen goto done; 274688eea45cSKlaus Jensen } 274788eea45cSKlaus Jensen 2748796d2068SKlaus Jensen if (iocb->idx == iocb->nr) { 2749796d2068SKlaus Jensen goto done; 275088eea45cSKlaus Jensen } 275188eea45cSKlaus Jensen 2752796d2068SKlaus Jensen range = &iocb->ranges[iocb->idx]; 2753796d2068SKlaus Jensen slba = le64_to_cpu(range->slba); 2754796d2068SKlaus Jensen nlb = le32_to_cpu(range->nlb) + 1; 2755796d2068SKlaus Jensen len = nvme_l2b(ns, nlb); 275688eea45cSKlaus Jensen 2757796d2068SKlaus Jensen trace_pci_nvme_copy_source_range(slba, nlb); 275888eea45cSKlaus Jensen 2759796d2068SKlaus Jensen if (nlb > le16_to_cpu(ns->id_ns.mssrl)) { 276088eea45cSKlaus Jensen status = NVME_CMD_SIZE_LIMIT | NVME_DNR; 2761796d2068SKlaus Jensen goto invalid; 276288eea45cSKlaus Jensen } 276388eea45cSKlaus Jensen 2764796d2068SKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 276588eea45cSKlaus Jensen if (status) { 2766796d2068SKlaus Jensen goto invalid; 276788eea45cSKlaus Jensen } 276888eea45cSKlaus Jensen 276988eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 2770796d2068SKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 277188eea45cSKlaus Jensen if (status) { 2772796d2068SKlaus Jensen goto invalid; 277388eea45cSKlaus Jensen } 277488eea45cSKlaus Jensen } 277588eea45cSKlaus Jensen 277688eea45cSKlaus Jensen if (ns->params.zoned) { 2777796d2068SKlaus Jensen status = nvme_check_zone_read(ns, slba, nlb); 277888eea45cSKlaus Jensen if (status) { 2779796d2068SKlaus Jensen goto invalid; 278088eea45cSKlaus Jensen } 278188eea45cSKlaus Jensen } 278288eea45cSKlaus Jensen 2783796d2068SKlaus Jensen qemu_iovec_reset(&iocb->iov); 2784796d2068SKlaus Jensen qemu_iovec_add(&iocb->iov, iocb->bounce, len); 2785796d2068SKlaus Jensen 2786796d2068SKlaus Jensen iocb->aiocb = blk_aio_preadv(ns->blkconf.blk, nvme_l2b(ns, slba), 2787796d2068SKlaus Jensen &iocb->iov, 0, nvme_copy_in_cb, iocb); 2788796d2068SKlaus Jensen return; 2789796d2068SKlaus Jensen 2790796d2068SKlaus Jensen invalid: 2791796d2068SKlaus Jensen req->status = status; 2792796d2068SKlaus Jensen done: 2793796d2068SKlaus Jensen iocb->aiocb = NULL; 2794796d2068SKlaus Jensen if (iocb->bh) { 2795796d2068SKlaus Jensen qemu_bh_schedule(iocb->bh); 2796796d2068SKlaus Jensen } 279788eea45cSKlaus Jensen } 279888eea45cSKlaus Jensen 2799796d2068SKlaus Jensen 2800796d2068SKlaus Jensen static uint16_t nvme_copy(NvmeCtrl *n, NvmeRequest *req) 2801796d2068SKlaus Jensen { 2802796d2068SKlaus Jensen NvmeNamespace *ns = req->ns; 2803796d2068SKlaus Jensen NvmeCopyCmd *copy = (NvmeCopyCmd *)&req->cmd; 2804796d2068SKlaus Jensen NvmeCopyAIOCB *iocb = blk_aio_get(&nvme_copy_aiocb_info, ns->blkconf.blk, 2805796d2068SKlaus Jensen nvme_misc_cb, req); 2806796d2068SKlaus Jensen uint16_t nr = copy->nr + 1; 2807796d2068SKlaus Jensen uint8_t format = copy->control[0] & 0xf; 2808796d2068SKlaus Jensen uint16_t prinfor = ((copy->control[0] >> 4) & 0xf); 2809796d2068SKlaus Jensen uint16_t prinfow = ((copy->control[2] >> 2) & 0xf); 2810796d2068SKlaus Jensen 2811796d2068SKlaus Jensen uint16_t status; 2812796d2068SKlaus Jensen 2813796d2068SKlaus Jensen trace_pci_nvme_copy(nvme_cid(req), nvme_nsid(ns), nr, format); 2814796d2068SKlaus Jensen 2815796d2068SKlaus Jensen iocb->ranges = NULL; 2816796d2068SKlaus Jensen iocb->zone = NULL; 2817796d2068SKlaus Jensen 2818796d2068SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) && 2819796d2068SKlaus Jensen ((prinfor & NVME_PRINFO_PRACT) != (prinfow & NVME_PRINFO_PRACT))) { 2820796d2068SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 2821796d2068SKlaus Jensen goto invalid; 2822796d2068SKlaus Jensen } 2823796d2068SKlaus Jensen 2824796d2068SKlaus Jensen if (!(n->id_ctrl.ocfs & (1 << format))) { 2825796d2068SKlaus Jensen trace_pci_nvme_err_copy_invalid_format(format); 2826796d2068SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 2827796d2068SKlaus Jensen goto invalid; 2828796d2068SKlaus Jensen } 2829796d2068SKlaus Jensen 2830796d2068SKlaus Jensen if (nr > ns->id_ns.msrc + 1) { 283188eea45cSKlaus Jensen status = NVME_CMD_SIZE_LIMIT | NVME_DNR; 2832796d2068SKlaus Jensen goto invalid; 283388eea45cSKlaus Jensen } 283488eea45cSKlaus Jensen 2835796d2068SKlaus Jensen iocb->ranges = g_new(NvmeCopySourceRange, nr); 2836796d2068SKlaus Jensen 2837796d2068SKlaus Jensen status = nvme_h2c(n, (uint8_t *)iocb->ranges, 2838796d2068SKlaus Jensen sizeof(NvmeCopySourceRange) * nr, req); 2839796d2068SKlaus Jensen if (status) { 2840796d2068SKlaus Jensen goto invalid; 284188eea45cSKlaus Jensen } 284288eea45cSKlaus Jensen 2843796d2068SKlaus Jensen iocb->slba = le64_to_cpu(copy->sdlba); 2844796d2068SKlaus Jensen 2845796d2068SKlaus Jensen if (ns->params.zoned) { 2846796d2068SKlaus Jensen iocb->zone = nvme_get_zone_by_slba(ns, iocb->slba); 2847796d2068SKlaus Jensen if (!iocb->zone) { 2848796d2068SKlaus Jensen status = NVME_LBA_RANGE | NVME_DNR; 2849796d2068SKlaus Jensen goto invalid; 2850796d2068SKlaus Jensen } 2851796d2068SKlaus Jensen 2852796d2068SKlaus Jensen status = nvme_zrm_auto(n, ns, iocb->zone); 2853796d2068SKlaus Jensen if (status) { 2854796d2068SKlaus Jensen goto invalid; 2855796d2068SKlaus Jensen } 2856796d2068SKlaus Jensen } 2857796d2068SKlaus Jensen 2858796d2068SKlaus Jensen iocb->req = req; 2859796d2068SKlaus Jensen iocb->bh = qemu_bh_new(nvme_copy_bh, iocb); 2860796d2068SKlaus Jensen iocb->ret = 0; 2861796d2068SKlaus Jensen iocb->nr = nr; 2862796d2068SKlaus Jensen iocb->idx = 0; 2863796d2068SKlaus Jensen iocb->reftag = le32_to_cpu(copy->reftag); 2864796d2068SKlaus Jensen iocb->bounce = g_malloc_n(le16_to_cpu(ns->id_ns.mssrl), 2865796d2068SKlaus Jensen ns->lbasz + ns->lbaf.ms); 2866796d2068SKlaus Jensen 2867796d2068SKlaus Jensen qemu_iovec_init(&iocb->iov, 1); 2868796d2068SKlaus Jensen 2869796d2068SKlaus Jensen block_acct_start(blk_get_stats(ns->blkconf.blk), &iocb->acct.read, 0, 287088eea45cSKlaus Jensen BLOCK_ACCT_READ); 2871796d2068SKlaus Jensen block_acct_start(blk_get_stats(ns->blkconf.blk), &iocb->acct.write, 0, 2872796d2068SKlaus Jensen BLOCK_ACCT_WRITE); 287388eea45cSKlaus Jensen 2874796d2068SKlaus Jensen req->aiocb = &iocb->common; 2875796d2068SKlaus Jensen nvme_copy_cb(iocb, 0); 287688eea45cSKlaus Jensen 287788eea45cSKlaus Jensen return NVME_NO_COMPLETE; 287888eea45cSKlaus Jensen 2879796d2068SKlaus Jensen invalid: 2880796d2068SKlaus Jensen g_free(iocb->ranges); 2881796d2068SKlaus Jensen qemu_aio_unref(iocb); 288288eea45cSKlaus Jensen return status; 288388eea45cSKlaus Jensen } 288488eea45cSKlaus Jensen 288588eea45cSKlaus Jensen static uint16_t nvme_compare(NvmeCtrl *n, NvmeRequest *req) 288688eea45cSKlaus Jensen { 288788eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 288888eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 288988eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 289088eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 289188eea45cSKlaus Jensen uint32_t nlb = le16_to_cpu(rw->nlb) + 1; 28922a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 289388eea45cSKlaus Jensen size_t data_len = nvme_l2b(ns, nlb); 289488eea45cSKlaus Jensen size_t len = data_len; 289588eea45cSKlaus Jensen int64_t offset = nvme_l2b(ns, slba); 289688eea45cSKlaus Jensen struct nvme_compare_ctx *ctx = NULL; 289788eea45cSKlaus Jensen uint16_t status; 289888eea45cSKlaus Jensen 289988eea45cSKlaus Jensen trace_pci_nvme_compare(nvme_cid(req), nvme_nsid(ns), slba, nlb); 290088eea45cSKlaus Jensen 29012a132309SKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) && (prinfo & NVME_PRINFO_PRACT)) { 290288eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 290388eea45cSKlaus Jensen } 290488eea45cSKlaus Jensen 290588eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 290688eea45cSKlaus Jensen len += nvme_m2b(ns, nlb); 290788eea45cSKlaus Jensen } 290888eea45cSKlaus Jensen 290988eea45cSKlaus Jensen status = nvme_check_mdts(n, len); 291088eea45cSKlaus Jensen if (status) { 291188eea45cSKlaus Jensen return status; 291288eea45cSKlaus Jensen } 291388eea45cSKlaus Jensen 291488eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 291588eea45cSKlaus Jensen if (status) { 291688eea45cSKlaus Jensen return status; 291788eea45cSKlaus Jensen } 291888eea45cSKlaus Jensen 291988eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 292088eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 292188eea45cSKlaus Jensen if (status) { 292288eea45cSKlaus Jensen return status; 292388eea45cSKlaus Jensen } 292488eea45cSKlaus Jensen } 292588eea45cSKlaus Jensen 292688eea45cSKlaus Jensen status = nvme_map_dptr(n, &req->sg, len, &req->cmd); 292788eea45cSKlaus Jensen if (status) { 292888eea45cSKlaus Jensen return status; 292988eea45cSKlaus Jensen } 293088eea45cSKlaus Jensen 293188eea45cSKlaus Jensen ctx = g_new(struct nvme_compare_ctx, 1); 293288eea45cSKlaus Jensen ctx->data.bounce = g_malloc(data_len); 293388eea45cSKlaus Jensen 293488eea45cSKlaus Jensen req->opaque = ctx; 293588eea45cSKlaus Jensen 293688eea45cSKlaus Jensen qemu_iovec_init(&ctx->data.iov, 1); 293788eea45cSKlaus Jensen qemu_iovec_add(&ctx->data.iov, ctx->data.bounce, data_len); 293888eea45cSKlaus Jensen 293988eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_len, 294088eea45cSKlaus Jensen BLOCK_ACCT_READ); 294188eea45cSKlaus Jensen req->aiocb = blk_aio_preadv(blk, offset, &ctx->data.iov, 0, 294288eea45cSKlaus Jensen nvme_compare_data_cb, req); 294388eea45cSKlaus Jensen 294488eea45cSKlaus Jensen return NVME_NO_COMPLETE; 294588eea45cSKlaus Jensen } 294688eea45cSKlaus Jensen 294738f4ac65SKlaus Jensen typedef struct NvmeFlushAIOCB { 294838f4ac65SKlaus Jensen BlockAIOCB common; 294938f4ac65SKlaus Jensen BlockAIOCB *aiocb; 295038f4ac65SKlaus Jensen NvmeRequest *req; 295138f4ac65SKlaus Jensen QEMUBH *bh; 295238f4ac65SKlaus Jensen int ret; 295338f4ac65SKlaus Jensen 295438f4ac65SKlaus Jensen NvmeNamespace *ns; 295538f4ac65SKlaus Jensen uint32_t nsid; 295638f4ac65SKlaus Jensen bool broadcast; 295738f4ac65SKlaus Jensen } NvmeFlushAIOCB; 295838f4ac65SKlaus Jensen 295938f4ac65SKlaus Jensen static void nvme_flush_cancel(BlockAIOCB *acb) 296038f4ac65SKlaus Jensen { 296138f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = container_of(acb, NvmeFlushAIOCB, common); 296238f4ac65SKlaus Jensen 296338f4ac65SKlaus Jensen iocb->ret = -ECANCELED; 296438f4ac65SKlaus Jensen 296538f4ac65SKlaus Jensen if (iocb->aiocb) { 296638f4ac65SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 296738f4ac65SKlaus Jensen } 296838f4ac65SKlaus Jensen } 296938f4ac65SKlaus Jensen 297038f4ac65SKlaus Jensen static const AIOCBInfo nvme_flush_aiocb_info = { 297138f4ac65SKlaus Jensen .aiocb_size = sizeof(NvmeFlushAIOCB), 297238f4ac65SKlaus Jensen .cancel_async = nvme_flush_cancel, 297338f4ac65SKlaus Jensen .get_aio_context = nvme_get_aio_context, 297438f4ac65SKlaus Jensen }; 297538f4ac65SKlaus Jensen 297638f4ac65SKlaus Jensen static void nvme_flush_ns_cb(void *opaque, int ret) 297738f4ac65SKlaus Jensen { 297838f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = opaque; 297938f4ac65SKlaus Jensen NvmeNamespace *ns = iocb->ns; 298038f4ac65SKlaus Jensen 298138f4ac65SKlaus Jensen if (ret < 0) { 298238f4ac65SKlaus Jensen iocb->ret = ret; 298338f4ac65SKlaus Jensen goto out; 298438f4ac65SKlaus Jensen } else if (iocb->ret < 0) { 298538f4ac65SKlaus Jensen goto out; 298638f4ac65SKlaus Jensen } 298738f4ac65SKlaus Jensen 298838f4ac65SKlaus Jensen if (ns) { 298938f4ac65SKlaus Jensen trace_pci_nvme_flush_ns(iocb->nsid); 299038f4ac65SKlaus Jensen 299138f4ac65SKlaus Jensen iocb->ns = NULL; 299238f4ac65SKlaus Jensen iocb->aiocb = blk_aio_flush(ns->blkconf.blk, nvme_flush_ns_cb, iocb); 299338f4ac65SKlaus Jensen return; 299438f4ac65SKlaus Jensen } 299538f4ac65SKlaus Jensen 299638f4ac65SKlaus Jensen out: 299738f4ac65SKlaus Jensen iocb->aiocb = NULL; 299838f4ac65SKlaus Jensen qemu_bh_schedule(iocb->bh); 299938f4ac65SKlaus Jensen } 300038f4ac65SKlaus Jensen 300138f4ac65SKlaus Jensen static void nvme_flush_bh(void *opaque) 300238f4ac65SKlaus Jensen { 300338f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb = opaque; 300438f4ac65SKlaus Jensen NvmeRequest *req = iocb->req; 300538f4ac65SKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 300638f4ac65SKlaus Jensen int i; 300738f4ac65SKlaus Jensen 300838f4ac65SKlaus Jensen if (iocb->ret < 0) { 300938f4ac65SKlaus Jensen goto done; 301038f4ac65SKlaus Jensen } 301138f4ac65SKlaus Jensen 301238f4ac65SKlaus Jensen if (iocb->broadcast) { 301338f4ac65SKlaus Jensen for (i = iocb->nsid + 1; i <= NVME_MAX_NAMESPACES; i++) { 301438f4ac65SKlaus Jensen iocb->ns = nvme_ns(n, i); 301538f4ac65SKlaus Jensen if (iocb->ns) { 301638f4ac65SKlaus Jensen iocb->nsid = i; 301738f4ac65SKlaus Jensen break; 301838f4ac65SKlaus Jensen } 301938f4ac65SKlaus Jensen } 302038f4ac65SKlaus Jensen } 302138f4ac65SKlaus Jensen 302238f4ac65SKlaus Jensen if (!iocb->ns) { 302338f4ac65SKlaus Jensen goto done; 302438f4ac65SKlaus Jensen } 302538f4ac65SKlaus Jensen 302638f4ac65SKlaus Jensen nvme_flush_ns_cb(iocb, 0); 302738f4ac65SKlaus Jensen return; 302838f4ac65SKlaus Jensen 302938f4ac65SKlaus Jensen done: 303038f4ac65SKlaus Jensen qemu_bh_delete(iocb->bh); 303138f4ac65SKlaus Jensen iocb->bh = NULL; 303238f4ac65SKlaus Jensen 303338f4ac65SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 303438f4ac65SKlaus Jensen 303538f4ac65SKlaus Jensen qemu_aio_unref(iocb); 303638f4ac65SKlaus Jensen 303738f4ac65SKlaus Jensen return; 303838f4ac65SKlaus Jensen } 303938f4ac65SKlaus Jensen 304088eea45cSKlaus Jensen static uint16_t nvme_flush(NvmeCtrl *n, NvmeRequest *req) 304188eea45cSKlaus Jensen { 304238f4ac65SKlaus Jensen NvmeFlushAIOCB *iocb; 304388eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 304488eea45cSKlaus Jensen uint16_t status; 304588eea45cSKlaus Jensen 304638f4ac65SKlaus Jensen iocb = qemu_aio_get(&nvme_flush_aiocb_info, NULL, nvme_misc_cb, req); 304788eea45cSKlaus Jensen 304838f4ac65SKlaus Jensen iocb->req = req; 304938f4ac65SKlaus Jensen iocb->bh = qemu_bh_new(nvme_flush_bh, iocb); 305038f4ac65SKlaus Jensen iocb->ret = 0; 305138f4ac65SKlaus Jensen iocb->ns = NULL; 305238f4ac65SKlaus Jensen iocb->nsid = 0; 305338f4ac65SKlaus Jensen iocb->broadcast = (nsid == NVME_NSID_BROADCAST); 305438f4ac65SKlaus Jensen 305538f4ac65SKlaus Jensen if (!iocb->broadcast) { 305638f4ac65SKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 305738f4ac65SKlaus Jensen status = NVME_INVALID_NSID | NVME_DNR; 305838f4ac65SKlaus Jensen goto out; 305988eea45cSKlaus Jensen } 306088eea45cSKlaus Jensen 306138f4ac65SKlaus Jensen iocb->ns = nvme_ns(n, nsid); 306238f4ac65SKlaus Jensen if (!iocb->ns) { 306338f4ac65SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 306438f4ac65SKlaus Jensen goto out; 306538f4ac65SKlaus Jensen } 306638f4ac65SKlaus Jensen 306738f4ac65SKlaus Jensen iocb->nsid = nsid; 306838f4ac65SKlaus Jensen } 306938f4ac65SKlaus Jensen 307038f4ac65SKlaus Jensen req->aiocb = &iocb->common; 307138f4ac65SKlaus Jensen qemu_bh_schedule(iocb->bh); 307238f4ac65SKlaus Jensen 307388eea45cSKlaus Jensen return NVME_NO_COMPLETE; 307488eea45cSKlaus Jensen 307538f4ac65SKlaus Jensen out: 307638f4ac65SKlaus Jensen qemu_bh_delete(iocb->bh); 307738f4ac65SKlaus Jensen iocb->bh = NULL; 307838f4ac65SKlaus Jensen qemu_aio_unref(iocb); 307988eea45cSKlaus Jensen 308088eea45cSKlaus Jensen return status; 308188eea45cSKlaus Jensen } 308288eea45cSKlaus Jensen 308388eea45cSKlaus Jensen static uint16_t nvme_read(NvmeCtrl *n, NvmeRequest *req) 308488eea45cSKlaus Jensen { 308588eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 308688eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 308788eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 308888eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 30892a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); 309088eea45cSKlaus Jensen uint64_t data_size = nvme_l2b(ns, nlb); 309188eea45cSKlaus Jensen uint64_t mapped_size = data_size; 309288eea45cSKlaus Jensen uint64_t data_offset; 309388eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 309488eea45cSKlaus Jensen uint16_t status; 309588eea45cSKlaus Jensen 309688eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 309788eea45cSKlaus Jensen mapped_size += nvme_m2b(ns, nlb); 309888eea45cSKlaus Jensen 309988eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 31002a132309SKlaus Jensen bool pract = prinfo & NVME_PRINFO_PRACT; 310188eea45cSKlaus Jensen 310288eea45cSKlaus Jensen if (pract && ns->lbaf.ms == 8) { 310388eea45cSKlaus Jensen mapped_size = data_size; 310488eea45cSKlaus Jensen } 310588eea45cSKlaus Jensen } 310688eea45cSKlaus Jensen } 310788eea45cSKlaus Jensen 310888eea45cSKlaus Jensen trace_pci_nvme_read(nvme_cid(req), nvme_nsid(ns), nlb, mapped_size, slba); 310988eea45cSKlaus Jensen 311088eea45cSKlaus Jensen status = nvme_check_mdts(n, mapped_size); 311188eea45cSKlaus Jensen if (status) { 311288eea45cSKlaus Jensen goto invalid; 311388eea45cSKlaus Jensen } 311488eea45cSKlaus Jensen 311588eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 311688eea45cSKlaus Jensen if (status) { 311788eea45cSKlaus Jensen goto invalid; 311888eea45cSKlaus Jensen } 311988eea45cSKlaus Jensen 312088eea45cSKlaus Jensen if (ns->params.zoned) { 312188eea45cSKlaus Jensen status = nvme_check_zone_read(ns, slba, nlb); 312288eea45cSKlaus Jensen if (status) { 312388eea45cSKlaus Jensen trace_pci_nvme_err_zone_read_not_ok(slba, nlb, status); 312488eea45cSKlaus Jensen goto invalid; 312588eea45cSKlaus Jensen } 312688eea45cSKlaus Jensen } 312788eea45cSKlaus Jensen 312888eea45cSKlaus Jensen if (NVME_ERR_REC_DULBE(ns->features.err_rec)) { 312988eea45cSKlaus Jensen status = nvme_check_dulbe(ns, slba, nlb); 313088eea45cSKlaus Jensen if (status) { 313188eea45cSKlaus Jensen goto invalid; 313288eea45cSKlaus Jensen } 313388eea45cSKlaus Jensen } 313488eea45cSKlaus Jensen 313588eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 313688eea45cSKlaus Jensen return nvme_dif_rw(n, req); 313788eea45cSKlaus Jensen } 313888eea45cSKlaus Jensen 313988eea45cSKlaus Jensen status = nvme_map_data(n, nlb, req); 314088eea45cSKlaus Jensen if (status) { 314188eea45cSKlaus Jensen goto invalid; 314288eea45cSKlaus Jensen } 314388eea45cSKlaus Jensen 314488eea45cSKlaus Jensen data_offset = nvme_l2b(ns, slba); 314588eea45cSKlaus Jensen 314688eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_size, 314788eea45cSKlaus Jensen BLOCK_ACCT_READ); 314888eea45cSKlaus Jensen nvme_blk_read(blk, data_offset, nvme_rw_cb, req); 314988eea45cSKlaus Jensen return NVME_NO_COMPLETE; 315088eea45cSKlaus Jensen 315188eea45cSKlaus Jensen invalid: 315288eea45cSKlaus Jensen block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_READ); 315388eea45cSKlaus Jensen return status | NVME_DNR; 315488eea45cSKlaus Jensen } 315588eea45cSKlaus Jensen 315688eea45cSKlaus Jensen static uint16_t nvme_do_write(NvmeCtrl *n, NvmeRequest *req, bool append, 315788eea45cSKlaus Jensen bool wrz) 315888eea45cSKlaus Jensen { 315988eea45cSKlaus Jensen NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd; 316088eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 316188eea45cSKlaus Jensen uint64_t slba = le64_to_cpu(rw->slba); 316288eea45cSKlaus Jensen uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1; 316388eea45cSKlaus Jensen uint16_t ctrl = le16_to_cpu(rw->control); 31642a132309SKlaus Jensen uint8_t prinfo = NVME_RW_PRINFO(ctrl); 316588eea45cSKlaus Jensen uint64_t data_size = nvme_l2b(ns, nlb); 316688eea45cSKlaus Jensen uint64_t mapped_size = data_size; 316788eea45cSKlaus Jensen uint64_t data_offset; 316888eea45cSKlaus Jensen NvmeZone *zone; 316988eea45cSKlaus Jensen NvmeZonedResult *res = (NvmeZonedResult *)&req->cqe; 317088eea45cSKlaus Jensen BlockBackend *blk = ns->blkconf.blk; 317188eea45cSKlaus Jensen uint16_t status; 317288eea45cSKlaus Jensen 317388eea45cSKlaus Jensen if (nvme_ns_ext(ns)) { 317488eea45cSKlaus Jensen mapped_size += nvme_m2b(ns, nlb); 317588eea45cSKlaus Jensen 317688eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 31772a132309SKlaus Jensen bool pract = prinfo & NVME_PRINFO_PRACT; 317888eea45cSKlaus Jensen 317988eea45cSKlaus Jensen if (pract && ns->lbaf.ms == 8) { 318088eea45cSKlaus Jensen mapped_size -= nvme_m2b(ns, nlb); 318188eea45cSKlaus Jensen } 318288eea45cSKlaus Jensen } 318388eea45cSKlaus Jensen } 318488eea45cSKlaus Jensen 318588eea45cSKlaus Jensen trace_pci_nvme_write(nvme_cid(req), nvme_io_opc_str(rw->opcode), 318688eea45cSKlaus Jensen nvme_nsid(ns), nlb, mapped_size, slba); 318788eea45cSKlaus Jensen 318888eea45cSKlaus Jensen if (!wrz) { 318988eea45cSKlaus Jensen status = nvme_check_mdts(n, mapped_size); 319088eea45cSKlaus Jensen if (status) { 319188eea45cSKlaus Jensen goto invalid; 319288eea45cSKlaus Jensen } 319388eea45cSKlaus Jensen } 319488eea45cSKlaus Jensen 319588eea45cSKlaus Jensen status = nvme_check_bounds(ns, slba, nlb); 319688eea45cSKlaus Jensen if (status) { 319788eea45cSKlaus Jensen goto invalid; 319888eea45cSKlaus Jensen } 319988eea45cSKlaus Jensen 320088eea45cSKlaus Jensen if (ns->params.zoned) { 320188eea45cSKlaus Jensen zone = nvme_get_zone_by_slba(ns, slba); 3202189a8bf7SKlaus Jensen assert(zone); 320388eea45cSKlaus Jensen 320488eea45cSKlaus Jensen if (append) { 320588eea45cSKlaus Jensen bool piremap = !!(ctrl & NVME_RW_PIREMAP); 320688eea45cSKlaus Jensen 320788eea45cSKlaus Jensen if (unlikely(slba != zone->d.zslba)) { 320888eea45cSKlaus Jensen trace_pci_nvme_err_append_not_at_start(slba, zone->d.zslba); 320988eea45cSKlaus Jensen status = NVME_INVALID_FIELD; 321088eea45cSKlaus Jensen goto invalid; 321188eea45cSKlaus Jensen } 321288eea45cSKlaus Jensen 321388eea45cSKlaus Jensen if (n->params.zasl && 321488eea45cSKlaus Jensen data_size > (uint64_t)n->page_size << n->params.zasl) { 321588eea45cSKlaus Jensen trace_pci_nvme_err_zasl(data_size); 321688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 321788eea45cSKlaus Jensen } 321888eea45cSKlaus Jensen 321988eea45cSKlaus Jensen slba = zone->w_ptr; 322088eea45cSKlaus Jensen rw->slba = cpu_to_le64(slba); 322188eea45cSKlaus Jensen res->slba = cpu_to_le64(slba); 322288eea45cSKlaus Jensen 322388eea45cSKlaus Jensen switch (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 322488eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_1: 322588eea45cSKlaus Jensen if (!piremap) { 322688eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 322788eea45cSKlaus Jensen } 322888eea45cSKlaus Jensen 322988eea45cSKlaus Jensen /* fallthrough */ 323088eea45cSKlaus Jensen 323188eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_2: 323288eea45cSKlaus Jensen if (piremap) { 323388eea45cSKlaus Jensen uint32_t reftag = le32_to_cpu(rw->reftag); 323488eea45cSKlaus Jensen rw->reftag = cpu_to_le32(reftag + (slba - zone->d.zslba)); 323588eea45cSKlaus Jensen } 323688eea45cSKlaus Jensen 323788eea45cSKlaus Jensen break; 323888eea45cSKlaus Jensen 323988eea45cSKlaus Jensen case NVME_ID_NS_DPS_TYPE_3: 324088eea45cSKlaus Jensen if (piremap) { 324188eea45cSKlaus Jensen return NVME_INVALID_PROT_INFO | NVME_DNR; 324288eea45cSKlaus Jensen } 324388eea45cSKlaus Jensen 324488eea45cSKlaus Jensen break; 324588eea45cSKlaus Jensen } 324688eea45cSKlaus Jensen } 324788eea45cSKlaus Jensen 324888eea45cSKlaus Jensen status = nvme_check_zone_write(ns, zone, slba, nlb); 324988eea45cSKlaus Jensen if (status) { 325088eea45cSKlaus Jensen goto invalid; 325188eea45cSKlaus Jensen } 325288eea45cSKlaus Jensen 3253cccc2651SNiklas Cassel status = nvme_zrm_auto(n, ns, zone); 325488eea45cSKlaus Jensen if (status) { 325588eea45cSKlaus Jensen goto invalid; 325688eea45cSKlaus Jensen } 325788eea45cSKlaus Jensen 325888eea45cSKlaus Jensen zone->w_ptr += nlb; 325988eea45cSKlaus Jensen } 326088eea45cSKlaus Jensen 326188eea45cSKlaus Jensen data_offset = nvme_l2b(ns, slba); 326288eea45cSKlaus Jensen 326388eea45cSKlaus Jensen if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { 326488eea45cSKlaus Jensen return nvme_dif_rw(n, req); 326588eea45cSKlaus Jensen } 326688eea45cSKlaus Jensen 326788eea45cSKlaus Jensen if (!wrz) { 326888eea45cSKlaus Jensen status = nvme_map_data(n, nlb, req); 326988eea45cSKlaus Jensen if (status) { 327088eea45cSKlaus Jensen goto invalid; 327188eea45cSKlaus Jensen } 327288eea45cSKlaus Jensen 327388eea45cSKlaus Jensen block_acct_start(blk_get_stats(blk), &req->acct, data_size, 327488eea45cSKlaus Jensen BLOCK_ACCT_WRITE); 327588eea45cSKlaus Jensen nvme_blk_write(blk, data_offset, nvme_rw_cb, req); 327688eea45cSKlaus Jensen } else { 327788eea45cSKlaus Jensen req->aiocb = blk_aio_pwrite_zeroes(blk, data_offset, data_size, 327888eea45cSKlaus Jensen BDRV_REQ_MAY_UNMAP, nvme_rw_cb, 327988eea45cSKlaus Jensen req); 328088eea45cSKlaus Jensen } 328188eea45cSKlaus Jensen 328288eea45cSKlaus Jensen return NVME_NO_COMPLETE; 328388eea45cSKlaus Jensen 328488eea45cSKlaus Jensen invalid: 328588eea45cSKlaus Jensen block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_WRITE); 328688eea45cSKlaus Jensen return status | NVME_DNR; 328788eea45cSKlaus Jensen } 328888eea45cSKlaus Jensen 328988eea45cSKlaus Jensen static inline uint16_t nvme_write(NvmeCtrl *n, NvmeRequest *req) 329088eea45cSKlaus Jensen { 329188eea45cSKlaus Jensen return nvme_do_write(n, req, false, false); 329288eea45cSKlaus Jensen } 329388eea45cSKlaus Jensen 329488eea45cSKlaus Jensen static inline uint16_t nvme_write_zeroes(NvmeCtrl *n, NvmeRequest *req) 329588eea45cSKlaus Jensen { 329688eea45cSKlaus Jensen return nvme_do_write(n, req, false, true); 329788eea45cSKlaus Jensen } 329888eea45cSKlaus Jensen 329988eea45cSKlaus Jensen static inline uint16_t nvme_zone_append(NvmeCtrl *n, NvmeRequest *req) 330088eea45cSKlaus Jensen { 330188eea45cSKlaus Jensen return nvme_do_write(n, req, true, false); 330288eea45cSKlaus Jensen } 330388eea45cSKlaus Jensen 330488eea45cSKlaus Jensen static uint16_t nvme_get_mgmt_zone_slba_idx(NvmeNamespace *ns, NvmeCmd *c, 330588eea45cSKlaus Jensen uint64_t *slba, uint32_t *zone_idx) 330688eea45cSKlaus Jensen { 330788eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(c->cdw10); 330888eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(c->cdw11); 330988eea45cSKlaus Jensen 331088eea45cSKlaus Jensen if (!ns->params.zoned) { 331188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_opc(c->opcode); 331288eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 331388eea45cSKlaus Jensen } 331488eea45cSKlaus Jensen 331588eea45cSKlaus Jensen *slba = ((uint64_t)dw11) << 32 | dw10; 331688eea45cSKlaus Jensen if (unlikely(*slba >= ns->id_ns.nsze)) { 331788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_lba_range(*slba, 0, ns->id_ns.nsze); 331888eea45cSKlaus Jensen *slba = 0; 331988eea45cSKlaus Jensen return NVME_LBA_RANGE | NVME_DNR; 332088eea45cSKlaus Jensen } 332188eea45cSKlaus Jensen 332288eea45cSKlaus Jensen *zone_idx = nvme_zone_idx(ns, *slba); 332388eea45cSKlaus Jensen assert(*zone_idx < ns->num_zones); 332488eea45cSKlaus Jensen 332588eea45cSKlaus Jensen return NVME_SUCCESS; 332688eea45cSKlaus Jensen } 332788eea45cSKlaus Jensen 332888eea45cSKlaus Jensen typedef uint16_t (*op_handler_t)(NvmeNamespace *, NvmeZone *, NvmeZoneState, 332988eea45cSKlaus Jensen NvmeRequest *); 333088eea45cSKlaus Jensen 333188eea45cSKlaus Jensen enum NvmeZoneProcessingMask { 333288eea45cSKlaus Jensen NVME_PROC_CURRENT_ZONE = 0, 333388eea45cSKlaus Jensen NVME_PROC_OPENED_ZONES = 1 << 0, 333488eea45cSKlaus Jensen NVME_PROC_CLOSED_ZONES = 1 << 1, 333588eea45cSKlaus Jensen NVME_PROC_READ_ONLY_ZONES = 1 << 2, 333688eea45cSKlaus Jensen NVME_PROC_FULL_ZONES = 1 << 3, 333788eea45cSKlaus Jensen }; 333888eea45cSKlaus Jensen 333988eea45cSKlaus Jensen static uint16_t nvme_open_zone(NvmeNamespace *ns, NvmeZone *zone, 334088eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 334188eea45cSKlaus Jensen { 3342cccc2651SNiklas Cassel return nvme_zrm_open(nvme_ctrl(req), ns, zone); 334388eea45cSKlaus Jensen } 334488eea45cSKlaus Jensen 334588eea45cSKlaus Jensen static uint16_t nvme_close_zone(NvmeNamespace *ns, NvmeZone *zone, 334688eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 334788eea45cSKlaus Jensen { 334888eea45cSKlaus Jensen return nvme_zrm_close(ns, zone); 334988eea45cSKlaus Jensen } 335088eea45cSKlaus Jensen 335188eea45cSKlaus Jensen static uint16_t nvme_finish_zone(NvmeNamespace *ns, NvmeZone *zone, 335288eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 335388eea45cSKlaus Jensen { 335488eea45cSKlaus Jensen return nvme_zrm_finish(ns, zone); 335588eea45cSKlaus Jensen } 335688eea45cSKlaus Jensen 335788eea45cSKlaus Jensen static uint16_t nvme_offline_zone(NvmeNamespace *ns, NvmeZone *zone, 335888eea45cSKlaus Jensen NvmeZoneState state, NvmeRequest *req) 335988eea45cSKlaus Jensen { 336088eea45cSKlaus Jensen switch (state) { 336188eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 336288eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_OFFLINE); 336388eea45cSKlaus Jensen /* fall through */ 336488eea45cSKlaus Jensen case NVME_ZONE_STATE_OFFLINE: 336588eea45cSKlaus Jensen return NVME_SUCCESS; 336688eea45cSKlaus Jensen default: 336788eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 336888eea45cSKlaus Jensen } 336988eea45cSKlaus Jensen } 337088eea45cSKlaus Jensen 337188eea45cSKlaus Jensen static uint16_t nvme_set_zd_ext(NvmeNamespace *ns, NvmeZone *zone) 337288eea45cSKlaus Jensen { 337388eea45cSKlaus Jensen uint16_t status; 337488eea45cSKlaus Jensen uint8_t state = nvme_get_zone_state(zone); 337588eea45cSKlaus Jensen 337688eea45cSKlaus Jensen if (state == NVME_ZONE_STATE_EMPTY) { 337788eea45cSKlaus Jensen status = nvme_aor_check(ns, 1, 0); 337888eea45cSKlaus Jensen if (status) { 337988eea45cSKlaus Jensen return status; 338088eea45cSKlaus Jensen } 338188eea45cSKlaus Jensen nvme_aor_inc_active(ns); 338288eea45cSKlaus Jensen zone->d.za |= NVME_ZA_ZD_EXT_VALID; 338388eea45cSKlaus Jensen nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_CLOSED); 338488eea45cSKlaus Jensen return NVME_SUCCESS; 338588eea45cSKlaus Jensen } 338688eea45cSKlaus Jensen 338788eea45cSKlaus Jensen return NVME_ZONE_INVAL_TRANSITION; 338888eea45cSKlaus Jensen } 338988eea45cSKlaus Jensen 339088eea45cSKlaus Jensen static uint16_t nvme_bulk_proc_zone(NvmeNamespace *ns, NvmeZone *zone, 339188eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask, 339288eea45cSKlaus Jensen op_handler_t op_hndlr, NvmeRequest *req) 339388eea45cSKlaus Jensen { 339488eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 339588eea45cSKlaus Jensen NvmeZoneState zs = nvme_get_zone_state(zone); 339688eea45cSKlaus Jensen bool proc_zone; 339788eea45cSKlaus Jensen 339888eea45cSKlaus Jensen switch (zs) { 339988eea45cSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 340088eea45cSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 340188eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_OPENED_ZONES; 340288eea45cSKlaus Jensen break; 340388eea45cSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 340488eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_CLOSED_ZONES; 340588eea45cSKlaus Jensen break; 340688eea45cSKlaus Jensen case NVME_ZONE_STATE_READ_ONLY: 340788eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_READ_ONLY_ZONES; 340888eea45cSKlaus Jensen break; 340988eea45cSKlaus Jensen case NVME_ZONE_STATE_FULL: 341088eea45cSKlaus Jensen proc_zone = proc_mask & NVME_PROC_FULL_ZONES; 341188eea45cSKlaus Jensen break; 341288eea45cSKlaus Jensen default: 341388eea45cSKlaus Jensen proc_zone = false; 341488eea45cSKlaus Jensen } 341588eea45cSKlaus Jensen 341688eea45cSKlaus Jensen if (proc_zone) { 341788eea45cSKlaus Jensen status = op_hndlr(ns, zone, zs, req); 341888eea45cSKlaus Jensen } 341988eea45cSKlaus Jensen 342088eea45cSKlaus Jensen return status; 342188eea45cSKlaus Jensen } 342288eea45cSKlaus Jensen 342388eea45cSKlaus Jensen static uint16_t nvme_do_zone_op(NvmeNamespace *ns, NvmeZone *zone, 342488eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask, 342588eea45cSKlaus Jensen op_handler_t op_hndlr, NvmeRequest *req) 342688eea45cSKlaus Jensen { 342788eea45cSKlaus Jensen NvmeZone *next; 342888eea45cSKlaus Jensen uint16_t status = NVME_SUCCESS; 342988eea45cSKlaus Jensen int i; 343088eea45cSKlaus Jensen 343188eea45cSKlaus Jensen if (!proc_mask) { 343288eea45cSKlaus Jensen status = op_hndlr(ns, zone, nvme_get_zone_state(zone), req); 343388eea45cSKlaus Jensen } else { 343488eea45cSKlaus Jensen if (proc_mask & NVME_PROC_CLOSED_ZONES) { 343588eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->closed_zones, entry, next) { 343688eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 343788eea45cSKlaus Jensen req); 343888eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 343988eea45cSKlaus Jensen goto out; 344088eea45cSKlaus Jensen } 344188eea45cSKlaus Jensen } 344288eea45cSKlaus Jensen } 344388eea45cSKlaus Jensen if (proc_mask & NVME_PROC_OPENED_ZONES) { 344488eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->imp_open_zones, entry, next) { 344588eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 344688eea45cSKlaus Jensen req); 344788eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 344888eea45cSKlaus Jensen goto out; 344988eea45cSKlaus Jensen } 345088eea45cSKlaus Jensen } 345188eea45cSKlaus Jensen 345288eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->exp_open_zones, entry, next) { 345388eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 345488eea45cSKlaus Jensen req); 345588eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 345688eea45cSKlaus Jensen goto out; 345788eea45cSKlaus Jensen } 345888eea45cSKlaus Jensen } 345988eea45cSKlaus Jensen } 346088eea45cSKlaus Jensen if (proc_mask & NVME_PROC_FULL_ZONES) { 346188eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(zone, &ns->full_zones, entry, next) { 346288eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 346388eea45cSKlaus Jensen req); 346488eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 346588eea45cSKlaus Jensen goto out; 346688eea45cSKlaus Jensen } 346788eea45cSKlaus Jensen } 346888eea45cSKlaus Jensen } 346988eea45cSKlaus Jensen 347088eea45cSKlaus Jensen if (proc_mask & NVME_PROC_READ_ONLY_ZONES) { 347188eea45cSKlaus Jensen for (i = 0; i < ns->num_zones; i++, zone++) { 347288eea45cSKlaus Jensen status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr, 347388eea45cSKlaus Jensen req); 347488eea45cSKlaus Jensen if (status && status != NVME_NO_COMPLETE) { 347588eea45cSKlaus Jensen goto out; 347688eea45cSKlaus Jensen } 347788eea45cSKlaus Jensen } 347888eea45cSKlaus Jensen } 347988eea45cSKlaus Jensen } 348088eea45cSKlaus Jensen 348188eea45cSKlaus Jensen out: 348288eea45cSKlaus Jensen return status; 348388eea45cSKlaus Jensen } 348488eea45cSKlaus Jensen 348563d96e4fSKlaus Jensen typedef struct NvmeZoneResetAIOCB { 348663d96e4fSKlaus Jensen BlockAIOCB common; 348763d96e4fSKlaus Jensen BlockAIOCB *aiocb; 348863d96e4fSKlaus Jensen NvmeRequest *req; 348963d96e4fSKlaus Jensen QEMUBH *bh; 349063d96e4fSKlaus Jensen int ret; 349163d96e4fSKlaus Jensen 349263d96e4fSKlaus Jensen bool all; 349363d96e4fSKlaus Jensen int idx; 349463d96e4fSKlaus Jensen NvmeZone *zone; 349563d96e4fSKlaus Jensen } NvmeZoneResetAIOCB; 349663d96e4fSKlaus Jensen 349763d96e4fSKlaus Jensen static void nvme_zone_reset_cancel(BlockAIOCB *aiocb) 349863d96e4fSKlaus Jensen { 349963d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = container_of(aiocb, NvmeZoneResetAIOCB, common); 350063d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 350163d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 350263d96e4fSKlaus Jensen 350363d96e4fSKlaus Jensen iocb->idx = ns->num_zones; 350463d96e4fSKlaus Jensen 350563d96e4fSKlaus Jensen iocb->ret = -ECANCELED; 350663d96e4fSKlaus Jensen 350763d96e4fSKlaus Jensen if (iocb->aiocb) { 350863d96e4fSKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 350963d96e4fSKlaus Jensen iocb->aiocb = NULL; 351063d96e4fSKlaus Jensen } 351163d96e4fSKlaus Jensen } 351263d96e4fSKlaus Jensen 351363d96e4fSKlaus Jensen static const AIOCBInfo nvme_zone_reset_aiocb_info = { 351463d96e4fSKlaus Jensen .aiocb_size = sizeof(NvmeZoneResetAIOCB), 351563d96e4fSKlaus Jensen .cancel_async = nvme_zone_reset_cancel, 351663d96e4fSKlaus Jensen }; 351763d96e4fSKlaus Jensen 351863d96e4fSKlaus Jensen static void nvme_zone_reset_bh(void *opaque) 351963d96e4fSKlaus Jensen { 352063d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 352163d96e4fSKlaus Jensen 352263d96e4fSKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 352363d96e4fSKlaus Jensen 352463d96e4fSKlaus Jensen qemu_bh_delete(iocb->bh); 352563d96e4fSKlaus Jensen iocb->bh = NULL; 352663d96e4fSKlaus Jensen qemu_aio_unref(iocb); 352763d96e4fSKlaus Jensen } 352863d96e4fSKlaus Jensen 352963d96e4fSKlaus Jensen static void nvme_zone_reset_cb(void *opaque, int ret); 353063d96e4fSKlaus Jensen 353163d96e4fSKlaus Jensen static void nvme_zone_reset_epilogue_cb(void *opaque, int ret) 353263d96e4fSKlaus Jensen { 353363d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 353463d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 353563d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 353663d96e4fSKlaus Jensen int64_t moff; 353763d96e4fSKlaus Jensen int count; 353863d96e4fSKlaus Jensen 353963d96e4fSKlaus Jensen if (ret < 0) { 354063d96e4fSKlaus Jensen nvme_zone_reset_cb(iocb, ret); 354163d96e4fSKlaus Jensen return; 354263d96e4fSKlaus Jensen } 354363d96e4fSKlaus Jensen 354463d96e4fSKlaus Jensen if (!ns->lbaf.ms) { 354563d96e4fSKlaus Jensen nvme_zone_reset_cb(iocb, 0); 354663d96e4fSKlaus Jensen return; 354763d96e4fSKlaus Jensen } 354863d96e4fSKlaus Jensen 354963d96e4fSKlaus Jensen moff = nvme_moff(ns, iocb->zone->d.zslba); 355063d96e4fSKlaus Jensen count = nvme_m2b(ns, ns->zone_size); 355163d96e4fSKlaus Jensen 355263d96e4fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, moff, count, 355363d96e4fSKlaus Jensen BDRV_REQ_MAY_UNMAP, 355463d96e4fSKlaus Jensen nvme_zone_reset_cb, iocb); 355563d96e4fSKlaus Jensen return; 355663d96e4fSKlaus Jensen } 355763d96e4fSKlaus Jensen 355863d96e4fSKlaus Jensen static void nvme_zone_reset_cb(void *opaque, int ret) 355963d96e4fSKlaus Jensen { 356063d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb = opaque; 356163d96e4fSKlaus Jensen NvmeRequest *req = iocb->req; 356263d96e4fSKlaus Jensen NvmeNamespace *ns = req->ns; 356363d96e4fSKlaus Jensen 356463d96e4fSKlaus Jensen if (ret < 0) { 356563d96e4fSKlaus Jensen iocb->ret = ret; 356663d96e4fSKlaus Jensen goto done; 356763d96e4fSKlaus Jensen } 356863d96e4fSKlaus Jensen 356963d96e4fSKlaus Jensen if (iocb->zone) { 357063d96e4fSKlaus Jensen nvme_zrm_reset(ns, iocb->zone); 357163d96e4fSKlaus Jensen 357263d96e4fSKlaus Jensen if (!iocb->all) { 357363d96e4fSKlaus Jensen goto done; 357463d96e4fSKlaus Jensen } 357563d96e4fSKlaus Jensen } 357663d96e4fSKlaus Jensen 357763d96e4fSKlaus Jensen while (iocb->idx < ns->num_zones) { 357863d96e4fSKlaus Jensen NvmeZone *zone = &ns->zone_array[iocb->idx++]; 357963d96e4fSKlaus Jensen 358063d96e4fSKlaus Jensen switch (nvme_get_zone_state(zone)) { 358163d96e4fSKlaus Jensen case NVME_ZONE_STATE_EMPTY: 358263d96e4fSKlaus Jensen if (!iocb->all) { 358363d96e4fSKlaus Jensen goto done; 358463d96e4fSKlaus Jensen } 358563d96e4fSKlaus Jensen 358663d96e4fSKlaus Jensen continue; 358763d96e4fSKlaus Jensen 358863d96e4fSKlaus Jensen case NVME_ZONE_STATE_EXPLICITLY_OPEN: 358963d96e4fSKlaus Jensen case NVME_ZONE_STATE_IMPLICITLY_OPEN: 359063d96e4fSKlaus Jensen case NVME_ZONE_STATE_CLOSED: 359163d96e4fSKlaus Jensen case NVME_ZONE_STATE_FULL: 359263d96e4fSKlaus Jensen iocb->zone = zone; 359363d96e4fSKlaus Jensen break; 359463d96e4fSKlaus Jensen 359563d96e4fSKlaus Jensen default: 359663d96e4fSKlaus Jensen continue; 359763d96e4fSKlaus Jensen } 359863d96e4fSKlaus Jensen 359963d96e4fSKlaus Jensen trace_pci_nvme_zns_zone_reset(zone->d.zslba); 360063d96e4fSKlaus Jensen 360163d96e4fSKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, 360263d96e4fSKlaus Jensen nvme_l2b(ns, zone->d.zslba), 360363d96e4fSKlaus Jensen nvme_l2b(ns, ns->zone_size), 360463d96e4fSKlaus Jensen BDRV_REQ_MAY_UNMAP, 360563d96e4fSKlaus Jensen nvme_zone_reset_epilogue_cb, 360663d96e4fSKlaus Jensen iocb); 360763d96e4fSKlaus Jensen return; 360863d96e4fSKlaus Jensen } 360963d96e4fSKlaus Jensen 361063d96e4fSKlaus Jensen done: 361163d96e4fSKlaus Jensen iocb->aiocb = NULL; 361263d96e4fSKlaus Jensen if (iocb->bh) { 361363d96e4fSKlaus Jensen qemu_bh_schedule(iocb->bh); 361463d96e4fSKlaus Jensen } 361563d96e4fSKlaus Jensen } 361663d96e4fSKlaus Jensen 361788eea45cSKlaus Jensen static uint16_t nvme_zone_mgmt_send(NvmeCtrl *n, NvmeRequest *req) 361888eea45cSKlaus Jensen { 361988eea45cSKlaus Jensen NvmeCmd *cmd = (NvmeCmd *)&req->cmd; 362088eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 362188eea45cSKlaus Jensen NvmeZone *zone; 362263d96e4fSKlaus Jensen NvmeZoneResetAIOCB *iocb; 362388eea45cSKlaus Jensen uint8_t *zd_ext; 362488eea45cSKlaus Jensen uint32_t dw13 = le32_to_cpu(cmd->cdw13); 362588eea45cSKlaus Jensen uint64_t slba = 0; 362688eea45cSKlaus Jensen uint32_t zone_idx = 0; 362788eea45cSKlaus Jensen uint16_t status; 362888eea45cSKlaus Jensen uint8_t action; 362988eea45cSKlaus Jensen bool all; 363088eea45cSKlaus Jensen enum NvmeZoneProcessingMask proc_mask = NVME_PROC_CURRENT_ZONE; 363188eea45cSKlaus Jensen 363288eea45cSKlaus Jensen action = dw13 & 0xff; 363363d96e4fSKlaus Jensen all = !!(dw13 & 0x100); 363488eea45cSKlaus Jensen 363588eea45cSKlaus Jensen req->status = NVME_SUCCESS; 363688eea45cSKlaus Jensen 363788eea45cSKlaus Jensen if (!all) { 363888eea45cSKlaus Jensen status = nvme_get_mgmt_zone_slba_idx(ns, cmd, &slba, &zone_idx); 363988eea45cSKlaus Jensen if (status) { 364088eea45cSKlaus Jensen return status; 364188eea45cSKlaus Jensen } 364288eea45cSKlaus Jensen } 364388eea45cSKlaus Jensen 364488eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 364588eea45cSKlaus Jensen if (slba != zone->d.zslba) { 364688eea45cSKlaus Jensen trace_pci_nvme_err_unaligned_zone_cmd(action, slba, zone->d.zslba); 364788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 364888eea45cSKlaus Jensen } 364988eea45cSKlaus Jensen 365088eea45cSKlaus Jensen switch (action) { 365188eea45cSKlaus Jensen 365288eea45cSKlaus Jensen case NVME_ZONE_ACTION_OPEN: 365388eea45cSKlaus Jensen if (all) { 365488eea45cSKlaus Jensen proc_mask = NVME_PROC_CLOSED_ZONES; 365588eea45cSKlaus Jensen } 365688eea45cSKlaus Jensen trace_pci_nvme_open_zone(slba, zone_idx, all); 365788eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_open_zone, req); 365888eea45cSKlaus Jensen break; 365988eea45cSKlaus Jensen 366088eea45cSKlaus Jensen case NVME_ZONE_ACTION_CLOSE: 366188eea45cSKlaus Jensen if (all) { 366288eea45cSKlaus Jensen proc_mask = NVME_PROC_OPENED_ZONES; 366388eea45cSKlaus Jensen } 366488eea45cSKlaus Jensen trace_pci_nvme_close_zone(slba, zone_idx, all); 366588eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_close_zone, req); 366688eea45cSKlaus Jensen break; 366788eea45cSKlaus Jensen 366888eea45cSKlaus Jensen case NVME_ZONE_ACTION_FINISH: 366988eea45cSKlaus Jensen if (all) { 367088eea45cSKlaus Jensen proc_mask = NVME_PROC_OPENED_ZONES | NVME_PROC_CLOSED_ZONES; 367188eea45cSKlaus Jensen } 367288eea45cSKlaus Jensen trace_pci_nvme_finish_zone(slba, zone_idx, all); 367388eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_finish_zone, req); 367488eea45cSKlaus Jensen break; 367588eea45cSKlaus Jensen 367688eea45cSKlaus Jensen case NVME_ZONE_ACTION_RESET: 367788eea45cSKlaus Jensen trace_pci_nvme_reset_zone(slba, zone_idx, all); 367888eea45cSKlaus Jensen 367963d96e4fSKlaus Jensen iocb = blk_aio_get(&nvme_zone_reset_aiocb_info, ns->blkconf.blk, 368063d96e4fSKlaus Jensen nvme_misc_cb, req); 368188eea45cSKlaus Jensen 368263d96e4fSKlaus Jensen iocb->req = req; 368363d96e4fSKlaus Jensen iocb->bh = qemu_bh_new(nvme_zone_reset_bh, iocb); 368463d96e4fSKlaus Jensen iocb->ret = 0; 368563d96e4fSKlaus Jensen iocb->all = all; 368663d96e4fSKlaus Jensen iocb->idx = zone_idx; 368763d96e4fSKlaus Jensen iocb->zone = NULL; 368888eea45cSKlaus Jensen 368963d96e4fSKlaus Jensen req->aiocb = &iocb->common; 369063d96e4fSKlaus Jensen nvme_zone_reset_cb(iocb, 0); 369188eea45cSKlaus Jensen 369263d96e4fSKlaus Jensen return NVME_NO_COMPLETE; 369388eea45cSKlaus Jensen 369488eea45cSKlaus Jensen case NVME_ZONE_ACTION_OFFLINE: 369588eea45cSKlaus Jensen if (all) { 369688eea45cSKlaus Jensen proc_mask = NVME_PROC_READ_ONLY_ZONES; 369788eea45cSKlaus Jensen } 369888eea45cSKlaus Jensen trace_pci_nvme_offline_zone(slba, zone_idx, all); 369988eea45cSKlaus Jensen status = nvme_do_zone_op(ns, zone, proc_mask, nvme_offline_zone, req); 370088eea45cSKlaus Jensen break; 370188eea45cSKlaus Jensen 370288eea45cSKlaus Jensen case NVME_ZONE_ACTION_SET_ZD_EXT: 370388eea45cSKlaus Jensen trace_pci_nvme_set_descriptor_extension(slba, zone_idx); 370488eea45cSKlaus Jensen if (all || !ns->params.zd_extension_size) { 370588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 370688eea45cSKlaus Jensen } 370788eea45cSKlaus Jensen zd_ext = nvme_get_zd_extension(ns, zone_idx); 370888eea45cSKlaus Jensen status = nvme_h2c(n, zd_ext, ns->params.zd_extension_size, req); 370988eea45cSKlaus Jensen if (status) { 371088eea45cSKlaus Jensen trace_pci_nvme_err_zd_extension_map_error(zone_idx); 371188eea45cSKlaus Jensen return status; 371288eea45cSKlaus Jensen } 371388eea45cSKlaus Jensen 371488eea45cSKlaus Jensen status = nvme_set_zd_ext(ns, zone); 371588eea45cSKlaus Jensen if (status == NVME_SUCCESS) { 371688eea45cSKlaus Jensen trace_pci_nvme_zd_extension_set(zone_idx); 371788eea45cSKlaus Jensen return status; 371888eea45cSKlaus Jensen } 371988eea45cSKlaus Jensen break; 372088eea45cSKlaus Jensen 372188eea45cSKlaus Jensen default: 372288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_mgmt_action(action); 372388eea45cSKlaus Jensen status = NVME_INVALID_FIELD; 372488eea45cSKlaus Jensen } 372588eea45cSKlaus Jensen 372688eea45cSKlaus Jensen if (status == NVME_ZONE_INVAL_TRANSITION) { 372788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_zone_state_transition(action, slba, 372888eea45cSKlaus Jensen zone->d.za); 372988eea45cSKlaus Jensen } 373088eea45cSKlaus Jensen if (status) { 373188eea45cSKlaus Jensen status |= NVME_DNR; 373288eea45cSKlaus Jensen } 373388eea45cSKlaus Jensen 373488eea45cSKlaus Jensen return status; 373588eea45cSKlaus Jensen } 373688eea45cSKlaus Jensen 373788eea45cSKlaus Jensen static bool nvme_zone_matches_filter(uint32_t zafs, NvmeZone *zl) 373888eea45cSKlaus Jensen { 373988eea45cSKlaus Jensen NvmeZoneState zs = nvme_get_zone_state(zl); 374088eea45cSKlaus Jensen 374188eea45cSKlaus Jensen switch (zafs) { 374288eea45cSKlaus Jensen case NVME_ZONE_REPORT_ALL: 374388eea45cSKlaus Jensen return true; 374488eea45cSKlaus Jensen case NVME_ZONE_REPORT_EMPTY: 374588eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_EMPTY; 374688eea45cSKlaus Jensen case NVME_ZONE_REPORT_IMPLICITLY_OPEN: 374788eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_IMPLICITLY_OPEN; 374888eea45cSKlaus Jensen case NVME_ZONE_REPORT_EXPLICITLY_OPEN: 374988eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_EXPLICITLY_OPEN; 375088eea45cSKlaus Jensen case NVME_ZONE_REPORT_CLOSED: 375188eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_CLOSED; 375288eea45cSKlaus Jensen case NVME_ZONE_REPORT_FULL: 375388eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_FULL; 375488eea45cSKlaus Jensen case NVME_ZONE_REPORT_READ_ONLY: 375588eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_READ_ONLY; 375688eea45cSKlaus Jensen case NVME_ZONE_REPORT_OFFLINE: 375788eea45cSKlaus Jensen return zs == NVME_ZONE_STATE_OFFLINE; 375888eea45cSKlaus Jensen default: 375988eea45cSKlaus Jensen return false; 376088eea45cSKlaus Jensen } 376188eea45cSKlaus Jensen } 376288eea45cSKlaus Jensen 376388eea45cSKlaus Jensen static uint16_t nvme_zone_mgmt_recv(NvmeCtrl *n, NvmeRequest *req) 376488eea45cSKlaus Jensen { 376588eea45cSKlaus Jensen NvmeCmd *cmd = (NvmeCmd *)&req->cmd; 376688eea45cSKlaus Jensen NvmeNamespace *ns = req->ns; 376788eea45cSKlaus Jensen /* cdw12 is zero-based number of dwords to return. Convert to bytes */ 376888eea45cSKlaus Jensen uint32_t data_size = (le32_to_cpu(cmd->cdw12) + 1) << 2; 376988eea45cSKlaus Jensen uint32_t dw13 = le32_to_cpu(cmd->cdw13); 377088eea45cSKlaus Jensen uint32_t zone_idx, zra, zrasf, partial; 377188eea45cSKlaus Jensen uint64_t max_zones, nr_zones = 0; 377288eea45cSKlaus Jensen uint16_t status; 377388eea45cSKlaus Jensen uint64_t slba; 377488eea45cSKlaus Jensen NvmeZoneDescr *z; 377588eea45cSKlaus Jensen NvmeZone *zone; 377688eea45cSKlaus Jensen NvmeZoneReportHeader *header; 377788eea45cSKlaus Jensen void *buf, *buf_p; 377888eea45cSKlaus Jensen size_t zone_entry_sz; 377988eea45cSKlaus Jensen int i; 378088eea45cSKlaus Jensen 378188eea45cSKlaus Jensen req->status = NVME_SUCCESS; 378288eea45cSKlaus Jensen 378388eea45cSKlaus Jensen status = nvme_get_mgmt_zone_slba_idx(ns, cmd, &slba, &zone_idx); 378488eea45cSKlaus Jensen if (status) { 378588eea45cSKlaus Jensen return status; 378688eea45cSKlaus Jensen } 378788eea45cSKlaus Jensen 378888eea45cSKlaus Jensen zra = dw13 & 0xff; 378988eea45cSKlaus Jensen if (zra != NVME_ZONE_REPORT && zra != NVME_ZONE_REPORT_EXTENDED) { 379088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 379188eea45cSKlaus Jensen } 379288eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED && !ns->params.zd_extension_size) { 379388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 379488eea45cSKlaus Jensen } 379588eea45cSKlaus Jensen 379688eea45cSKlaus Jensen zrasf = (dw13 >> 8) & 0xff; 379788eea45cSKlaus Jensen if (zrasf > NVME_ZONE_REPORT_OFFLINE) { 379888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 379988eea45cSKlaus Jensen } 380088eea45cSKlaus Jensen 380188eea45cSKlaus Jensen if (data_size < sizeof(NvmeZoneReportHeader)) { 380288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 380388eea45cSKlaus Jensen } 380488eea45cSKlaus Jensen 380588eea45cSKlaus Jensen status = nvme_check_mdts(n, data_size); 380688eea45cSKlaus Jensen if (status) { 380788eea45cSKlaus Jensen return status; 380888eea45cSKlaus Jensen } 380988eea45cSKlaus Jensen 381088eea45cSKlaus Jensen partial = (dw13 >> 16) & 0x01; 381188eea45cSKlaus Jensen 381288eea45cSKlaus Jensen zone_entry_sz = sizeof(NvmeZoneDescr); 381388eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED) { 381488eea45cSKlaus Jensen zone_entry_sz += ns->params.zd_extension_size; 381588eea45cSKlaus Jensen } 381688eea45cSKlaus Jensen 381788eea45cSKlaus Jensen max_zones = (data_size - sizeof(NvmeZoneReportHeader)) / zone_entry_sz; 381888eea45cSKlaus Jensen buf = g_malloc0(data_size); 381988eea45cSKlaus Jensen 382088eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 382188eea45cSKlaus Jensen for (i = zone_idx; i < ns->num_zones; i++) { 382288eea45cSKlaus Jensen if (partial && nr_zones >= max_zones) { 382388eea45cSKlaus Jensen break; 382488eea45cSKlaus Jensen } 382588eea45cSKlaus Jensen if (nvme_zone_matches_filter(zrasf, zone++)) { 382688eea45cSKlaus Jensen nr_zones++; 382788eea45cSKlaus Jensen } 382888eea45cSKlaus Jensen } 382988eea45cSKlaus Jensen header = (NvmeZoneReportHeader *)buf; 383088eea45cSKlaus Jensen header->nr_zones = cpu_to_le64(nr_zones); 383188eea45cSKlaus Jensen 383288eea45cSKlaus Jensen buf_p = buf + sizeof(NvmeZoneReportHeader); 383388eea45cSKlaus Jensen for (; zone_idx < ns->num_zones && max_zones > 0; zone_idx++) { 383488eea45cSKlaus Jensen zone = &ns->zone_array[zone_idx]; 383588eea45cSKlaus Jensen if (nvme_zone_matches_filter(zrasf, zone)) { 383688eea45cSKlaus Jensen z = (NvmeZoneDescr *)buf_p; 383788eea45cSKlaus Jensen buf_p += sizeof(NvmeZoneDescr); 383888eea45cSKlaus Jensen 383988eea45cSKlaus Jensen z->zt = zone->d.zt; 384088eea45cSKlaus Jensen z->zs = zone->d.zs; 384188eea45cSKlaus Jensen z->zcap = cpu_to_le64(zone->d.zcap); 384288eea45cSKlaus Jensen z->zslba = cpu_to_le64(zone->d.zslba); 384388eea45cSKlaus Jensen z->za = zone->d.za; 384488eea45cSKlaus Jensen 384588eea45cSKlaus Jensen if (nvme_wp_is_valid(zone)) { 384688eea45cSKlaus Jensen z->wp = cpu_to_le64(zone->d.wp); 384788eea45cSKlaus Jensen } else { 384888eea45cSKlaus Jensen z->wp = cpu_to_le64(~0ULL); 384988eea45cSKlaus Jensen } 385088eea45cSKlaus Jensen 385188eea45cSKlaus Jensen if (zra == NVME_ZONE_REPORT_EXTENDED) { 385288eea45cSKlaus Jensen if (zone->d.za & NVME_ZA_ZD_EXT_VALID) { 385388eea45cSKlaus Jensen memcpy(buf_p, nvme_get_zd_extension(ns, zone_idx), 385488eea45cSKlaus Jensen ns->params.zd_extension_size); 385588eea45cSKlaus Jensen } 385688eea45cSKlaus Jensen buf_p += ns->params.zd_extension_size; 385788eea45cSKlaus Jensen } 385888eea45cSKlaus Jensen 385988eea45cSKlaus Jensen max_zones--; 386088eea45cSKlaus Jensen } 386188eea45cSKlaus Jensen } 386288eea45cSKlaus Jensen 386388eea45cSKlaus Jensen status = nvme_c2h(n, (uint8_t *)buf, data_size, req); 386488eea45cSKlaus Jensen 386588eea45cSKlaus Jensen g_free(buf); 386688eea45cSKlaus Jensen 386788eea45cSKlaus Jensen return status; 386888eea45cSKlaus Jensen } 386988eea45cSKlaus Jensen 387088eea45cSKlaus Jensen static uint16_t nvme_io_cmd(NvmeCtrl *n, NvmeRequest *req) 387188eea45cSKlaus Jensen { 387288eea45cSKlaus Jensen NvmeNamespace *ns; 387388eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 387488eea45cSKlaus Jensen 387588eea45cSKlaus Jensen trace_pci_nvme_io_cmd(nvme_cid(req), nsid, nvme_sqid(req), 387688eea45cSKlaus Jensen req->cmd.opcode, nvme_io_opc_str(req->cmd.opcode)); 387788eea45cSKlaus Jensen 387888eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 387988eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 388088eea45cSKlaus Jensen } 388188eea45cSKlaus Jensen 388288eea45cSKlaus Jensen /* 388388eea45cSKlaus Jensen * In the base NVM command set, Flush may apply to all namespaces 388488eea45cSKlaus Jensen * (indicated by NSID being set to FFFFFFFFh). But if that feature is used 388588eea45cSKlaus Jensen * along with TP 4056 (Namespace Types), it may be pretty screwed up. 388688eea45cSKlaus Jensen * 388788eea45cSKlaus Jensen * If NSID is indeed set to FFFFFFFFh, we simply cannot associate the 388888eea45cSKlaus Jensen * opcode with a specific command since we cannot determine a unique I/O 388988eea45cSKlaus Jensen * command set. Opcode 0h could have any other meaning than something 389088eea45cSKlaus Jensen * equivalent to flushing and say it DOES have completely different 389188eea45cSKlaus Jensen * semantics in some other command set - does an NSID of FFFFFFFFh then 389288eea45cSKlaus Jensen * mean "for all namespaces, apply whatever command set specific command 389388eea45cSKlaus Jensen * that uses the 0h opcode?" Or does it mean "for all namespaces, apply 389488eea45cSKlaus Jensen * whatever command that uses the 0h opcode if, and only if, it allows NSID 389588eea45cSKlaus Jensen * to be FFFFFFFFh"? 389688eea45cSKlaus Jensen * 389788eea45cSKlaus Jensen * Anyway (and luckily), for now, we do not care about this since the 389888eea45cSKlaus Jensen * device only supports namespace types that includes the NVM Flush command 389988eea45cSKlaus Jensen * (NVM and Zoned), so always do an NVM Flush. 390088eea45cSKlaus Jensen */ 390188eea45cSKlaus Jensen if (req->cmd.opcode == NVME_CMD_FLUSH) { 390288eea45cSKlaus Jensen return nvme_flush(n, req); 390388eea45cSKlaus Jensen } 390488eea45cSKlaus Jensen 390588eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 390688eea45cSKlaus Jensen if (unlikely(!ns)) { 390788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 390888eea45cSKlaus Jensen } 390988eea45cSKlaus Jensen 391088eea45cSKlaus Jensen if (!(ns->iocs[req->cmd.opcode] & NVME_CMD_EFF_CSUPP)) { 391188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_opc(req->cmd.opcode); 391288eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 391388eea45cSKlaus Jensen } 391488eea45cSKlaus Jensen 391588eea45cSKlaus Jensen if (ns->status) { 391688eea45cSKlaus Jensen return ns->status; 391788eea45cSKlaus Jensen } 391888eea45cSKlaus Jensen 3919c53a9a91SPankaj Raghav if (NVME_CMD_FLAGS_FUSE(req->cmd.flags)) { 3920c53a9a91SPankaj Raghav return NVME_INVALID_FIELD; 3921c53a9a91SPankaj Raghav } 3922c53a9a91SPankaj Raghav 392388eea45cSKlaus Jensen req->ns = ns; 392488eea45cSKlaus Jensen 392588eea45cSKlaus Jensen switch (req->cmd.opcode) { 392688eea45cSKlaus Jensen case NVME_CMD_WRITE_ZEROES: 392788eea45cSKlaus Jensen return nvme_write_zeroes(n, req); 392888eea45cSKlaus Jensen case NVME_CMD_ZONE_APPEND: 392988eea45cSKlaus Jensen return nvme_zone_append(n, req); 393088eea45cSKlaus Jensen case NVME_CMD_WRITE: 393188eea45cSKlaus Jensen return nvme_write(n, req); 393288eea45cSKlaus Jensen case NVME_CMD_READ: 393388eea45cSKlaus Jensen return nvme_read(n, req); 393488eea45cSKlaus Jensen case NVME_CMD_COMPARE: 393588eea45cSKlaus Jensen return nvme_compare(n, req); 393688eea45cSKlaus Jensen case NVME_CMD_DSM: 393788eea45cSKlaus Jensen return nvme_dsm(n, req); 393888eea45cSKlaus Jensen case NVME_CMD_VERIFY: 393988eea45cSKlaus Jensen return nvme_verify(n, req); 394088eea45cSKlaus Jensen case NVME_CMD_COPY: 394188eea45cSKlaus Jensen return nvme_copy(n, req); 394288eea45cSKlaus Jensen case NVME_CMD_ZONE_MGMT_SEND: 394388eea45cSKlaus Jensen return nvme_zone_mgmt_send(n, req); 394488eea45cSKlaus Jensen case NVME_CMD_ZONE_MGMT_RECV: 394588eea45cSKlaus Jensen return nvme_zone_mgmt_recv(n, req); 394688eea45cSKlaus Jensen default: 394788eea45cSKlaus Jensen assert(false); 394888eea45cSKlaus Jensen } 394988eea45cSKlaus Jensen 395088eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 395188eea45cSKlaus Jensen } 395288eea45cSKlaus Jensen 395388eea45cSKlaus Jensen static void nvme_free_sq(NvmeSQueue *sq, NvmeCtrl *n) 395488eea45cSKlaus Jensen { 395588eea45cSKlaus Jensen n->sq[sq->sqid] = NULL; 395688eea45cSKlaus Jensen timer_free(sq->timer); 395788eea45cSKlaus Jensen g_free(sq->io_req); 395888eea45cSKlaus Jensen if (sq->sqid) { 395988eea45cSKlaus Jensen g_free(sq); 396088eea45cSKlaus Jensen } 396188eea45cSKlaus Jensen } 396288eea45cSKlaus Jensen 396388eea45cSKlaus Jensen static uint16_t nvme_del_sq(NvmeCtrl *n, NvmeRequest *req) 396488eea45cSKlaus Jensen { 396588eea45cSKlaus Jensen NvmeDeleteQ *c = (NvmeDeleteQ *)&req->cmd; 396688eea45cSKlaus Jensen NvmeRequest *r, *next; 396788eea45cSKlaus Jensen NvmeSQueue *sq; 396888eea45cSKlaus Jensen NvmeCQueue *cq; 396988eea45cSKlaus Jensen uint16_t qid = le16_to_cpu(c->qid); 397088eea45cSKlaus Jensen 397188eea45cSKlaus Jensen if (unlikely(!qid || nvme_check_sqid(n, qid))) { 397288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_sq(qid); 397388eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 397488eea45cSKlaus Jensen } 397588eea45cSKlaus Jensen 397688eea45cSKlaus Jensen trace_pci_nvme_del_sq(qid); 397788eea45cSKlaus Jensen 397888eea45cSKlaus Jensen sq = n->sq[qid]; 397988eea45cSKlaus Jensen while (!QTAILQ_EMPTY(&sq->out_req_list)) { 398088eea45cSKlaus Jensen r = QTAILQ_FIRST(&sq->out_req_list); 3981e76fb260SKlaus Jensen assert(r->aiocb); 398288eea45cSKlaus Jensen blk_aio_cancel(r->aiocb); 398388eea45cSKlaus Jensen } 398488eea45cSKlaus Jensen 398588eea45cSKlaus Jensen assert(QTAILQ_EMPTY(&sq->out_req_list)); 398688eea45cSKlaus Jensen 398788eea45cSKlaus Jensen if (!nvme_check_cqid(n, sq->cqid)) { 398888eea45cSKlaus Jensen cq = n->cq[sq->cqid]; 398988eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->sq_list, sq, entry); 399088eea45cSKlaus Jensen 399188eea45cSKlaus Jensen nvme_post_cqes(cq); 399288eea45cSKlaus Jensen QTAILQ_FOREACH_SAFE(r, &cq->req_list, entry, next) { 399388eea45cSKlaus Jensen if (r->sq == sq) { 399488eea45cSKlaus Jensen QTAILQ_REMOVE(&cq->req_list, r, entry); 399588eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->req_list, r, entry); 399688eea45cSKlaus Jensen } 399788eea45cSKlaus Jensen } 399888eea45cSKlaus Jensen } 399988eea45cSKlaus Jensen 400088eea45cSKlaus Jensen nvme_free_sq(sq, n); 400188eea45cSKlaus Jensen return NVME_SUCCESS; 400288eea45cSKlaus Jensen } 400388eea45cSKlaus Jensen 400488eea45cSKlaus Jensen static void nvme_init_sq(NvmeSQueue *sq, NvmeCtrl *n, uint64_t dma_addr, 400588eea45cSKlaus Jensen uint16_t sqid, uint16_t cqid, uint16_t size) 400688eea45cSKlaus Jensen { 400788eea45cSKlaus Jensen int i; 400888eea45cSKlaus Jensen NvmeCQueue *cq; 400988eea45cSKlaus Jensen 401088eea45cSKlaus Jensen sq->ctrl = n; 401188eea45cSKlaus Jensen sq->dma_addr = dma_addr; 401288eea45cSKlaus Jensen sq->sqid = sqid; 401388eea45cSKlaus Jensen sq->size = size; 401488eea45cSKlaus Jensen sq->cqid = cqid; 401588eea45cSKlaus Jensen sq->head = sq->tail = 0; 401688eea45cSKlaus Jensen sq->io_req = g_new0(NvmeRequest, sq->size); 401788eea45cSKlaus Jensen 401888eea45cSKlaus Jensen QTAILQ_INIT(&sq->req_list); 401988eea45cSKlaus Jensen QTAILQ_INIT(&sq->out_req_list); 402088eea45cSKlaus Jensen for (i = 0; i < sq->size; i++) { 402188eea45cSKlaus Jensen sq->io_req[i].sq = sq; 402288eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&(sq->req_list), &sq->io_req[i], entry); 402388eea45cSKlaus Jensen } 402488eea45cSKlaus Jensen sq->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, nvme_process_sq, sq); 402588eea45cSKlaus Jensen 402688eea45cSKlaus Jensen assert(n->cq[cqid]); 402788eea45cSKlaus Jensen cq = n->cq[cqid]; 402888eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&(cq->sq_list), sq, entry); 402988eea45cSKlaus Jensen n->sq[sqid] = sq; 403088eea45cSKlaus Jensen } 403188eea45cSKlaus Jensen 403288eea45cSKlaus Jensen static uint16_t nvme_create_sq(NvmeCtrl *n, NvmeRequest *req) 403388eea45cSKlaus Jensen { 403488eea45cSKlaus Jensen NvmeSQueue *sq; 403588eea45cSKlaus Jensen NvmeCreateSq *c = (NvmeCreateSq *)&req->cmd; 403688eea45cSKlaus Jensen 403788eea45cSKlaus Jensen uint16_t cqid = le16_to_cpu(c->cqid); 403888eea45cSKlaus Jensen uint16_t sqid = le16_to_cpu(c->sqid); 403988eea45cSKlaus Jensen uint16_t qsize = le16_to_cpu(c->qsize); 404088eea45cSKlaus Jensen uint16_t qflags = le16_to_cpu(c->sq_flags); 404188eea45cSKlaus Jensen uint64_t prp1 = le64_to_cpu(c->prp1); 404288eea45cSKlaus Jensen 404388eea45cSKlaus Jensen trace_pci_nvme_create_sq(prp1, sqid, cqid, qsize, qflags); 404488eea45cSKlaus Jensen 404588eea45cSKlaus Jensen if (unlikely(!cqid || nvme_check_cqid(n, cqid))) { 404688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_cqid(cqid); 404788eea45cSKlaus Jensen return NVME_INVALID_CQID | NVME_DNR; 404888eea45cSKlaus Jensen } 404988eea45cSKlaus Jensen if (unlikely(!sqid || sqid > n->params.max_ioqpairs || 405088eea45cSKlaus Jensen n->sq[sqid] != NULL)) { 405188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_sqid(sqid); 405288eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 405388eea45cSKlaus Jensen } 405449e03457SKlaus Jensen if (unlikely(!qsize || qsize > NVME_CAP_MQES(ldq_le_p(&n->bar.cap)))) { 405588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_size(qsize); 405688eea45cSKlaus Jensen return NVME_MAX_QSIZE_EXCEEDED | NVME_DNR; 405788eea45cSKlaus Jensen } 405888eea45cSKlaus Jensen if (unlikely(prp1 & (n->page_size - 1))) { 405988eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_addr(prp1); 406088eea45cSKlaus Jensen return NVME_INVALID_PRP_OFFSET | NVME_DNR; 406188eea45cSKlaus Jensen } 406288eea45cSKlaus Jensen if (unlikely(!(NVME_SQ_FLAGS_PC(qflags)))) { 406388eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_sq_qflags(NVME_SQ_FLAGS_PC(qflags)); 406488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 406588eea45cSKlaus Jensen } 406688eea45cSKlaus Jensen sq = g_malloc0(sizeof(*sq)); 406788eea45cSKlaus Jensen nvme_init_sq(sq, n, prp1, sqid, cqid, qsize + 1); 406888eea45cSKlaus Jensen return NVME_SUCCESS; 406988eea45cSKlaus Jensen } 407088eea45cSKlaus Jensen 407188eea45cSKlaus Jensen struct nvme_stats { 407288eea45cSKlaus Jensen uint64_t units_read; 407388eea45cSKlaus Jensen uint64_t units_written; 407488eea45cSKlaus Jensen uint64_t read_commands; 407588eea45cSKlaus Jensen uint64_t write_commands; 407688eea45cSKlaus Jensen }; 407788eea45cSKlaus Jensen 407888eea45cSKlaus Jensen static void nvme_set_blk_stats(NvmeNamespace *ns, struct nvme_stats *stats) 407988eea45cSKlaus Jensen { 408088eea45cSKlaus Jensen BlockAcctStats *s = blk_get_stats(ns->blkconf.blk); 408188eea45cSKlaus Jensen 408288eea45cSKlaus Jensen stats->units_read += s->nr_bytes[BLOCK_ACCT_READ] >> BDRV_SECTOR_BITS; 408388eea45cSKlaus Jensen stats->units_written += s->nr_bytes[BLOCK_ACCT_WRITE] >> BDRV_SECTOR_BITS; 408488eea45cSKlaus Jensen stats->read_commands += s->nr_ops[BLOCK_ACCT_READ]; 408588eea45cSKlaus Jensen stats->write_commands += s->nr_ops[BLOCK_ACCT_WRITE]; 408688eea45cSKlaus Jensen } 408788eea45cSKlaus Jensen 408888eea45cSKlaus Jensen static uint16_t nvme_smart_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 408988eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 409088eea45cSKlaus Jensen { 409188eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 409288eea45cSKlaus Jensen struct nvme_stats stats = { 0 }; 409388eea45cSKlaus Jensen NvmeSmartLog smart = { 0 }; 409488eea45cSKlaus Jensen uint32_t trans_len; 409588eea45cSKlaus Jensen NvmeNamespace *ns; 409688eea45cSKlaus Jensen time_t current_ms; 409788eea45cSKlaus Jensen 409888eea45cSKlaus Jensen if (off >= sizeof(smart)) { 409988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 410088eea45cSKlaus Jensen } 410188eea45cSKlaus Jensen 410288eea45cSKlaus Jensen if (nsid != 0xffffffff) { 410388eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 410488eea45cSKlaus Jensen if (!ns) { 410588eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 410688eea45cSKlaus Jensen } 410788eea45cSKlaus Jensen nvme_set_blk_stats(ns, &stats); 410888eea45cSKlaus Jensen } else { 410988eea45cSKlaus Jensen int i; 411088eea45cSKlaus Jensen 411188eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 411288eea45cSKlaus Jensen ns = nvme_ns(n, i); 411388eea45cSKlaus Jensen if (!ns) { 411488eea45cSKlaus Jensen continue; 411588eea45cSKlaus Jensen } 411688eea45cSKlaus Jensen nvme_set_blk_stats(ns, &stats); 411788eea45cSKlaus Jensen } 411888eea45cSKlaus Jensen } 411988eea45cSKlaus Jensen 412088eea45cSKlaus Jensen trans_len = MIN(sizeof(smart) - off, buf_len); 412188eea45cSKlaus Jensen smart.critical_warning = n->smart_critical_warning; 412288eea45cSKlaus Jensen 412388eea45cSKlaus Jensen smart.data_units_read[0] = cpu_to_le64(DIV_ROUND_UP(stats.units_read, 412488eea45cSKlaus Jensen 1000)); 412588eea45cSKlaus Jensen smart.data_units_written[0] = cpu_to_le64(DIV_ROUND_UP(stats.units_written, 412688eea45cSKlaus Jensen 1000)); 412788eea45cSKlaus Jensen smart.host_read_commands[0] = cpu_to_le64(stats.read_commands); 412888eea45cSKlaus Jensen smart.host_write_commands[0] = cpu_to_le64(stats.write_commands); 412988eea45cSKlaus Jensen 413088eea45cSKlaus Jensen smart.temperature = cpu_to_le16(n->temperature); 413188eea45cSKlaus Jensen 413288eea45cSKlaus Jensen if ((n->temperature >= n->features.temp_thresh_hi) || 413388eea45cSKlaus Jensen (n->temperature <= n->features.temp_thresh_low)) { 413488eea45cSKlaus Jensen smart.critical_warning |= NVME_SMART_TEMPERATURE; 413588eea45cSKlaus Jensen } 413688eea45cSKlaus Jensen 413788eea45cSKlaus Jensen current_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 413888eea45cSKlaus Jensen smart.power_on_hours[0] = 413988eea45cSKlaus Jensen cpu_to_le64((((current_ms - n->starttime_ms) / 1000) / 60) / 60); 414088eea45cSKlaus Jensen 414188eea45cSKlaus Jensen if (!rae) { 414288eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_SMART); 414388eea45cSKlaus Jensen } 414488eea45cSKlaus Jensen 414588eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *) &smart + off, trans_len, req); 414688eea45cSKlaus Jensen } 414788eea45cSKlaus Jensen 414888eea45cSKlaus Jensen static uint16_t nvme_fw_log_info(NvmeCtrl *n, uint32_t buf_len, uint64_t off, 414988eea45cSKlaus Jensen NvmeRequest *req) 415088eea45cSKlaus Jensen { 415188eea45cSKlaus Jensen uint32_t trans_len; 415288eea45cSKlaus Jensen NvmeFwSlotInfoLog fw_log = { 415388eea45cSKlaus Jensen .afi = 0x1, 415488eea45cSKlaus Jensen }; 415588eea45cSKlaus Jensen 415688eea45cSKlaus Jensen if (off >= sizeof(fw_log)) { 415788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 415888eea45cSKlaus Jensen } 415988eea45cSKlaus Jensen 416088eea45cSKlaus Jensen strpadcpy((char *)&fw_log.frs1, sizeof(fw_log.frs1), "1.0", ' '); 416188eea45cSKlaus Jensen trans_len = MIN(sizeof(fw_log) - off, buf_len); 416288eea45cSKlaus Jensen 416388eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *) &fw_log + off, trans_len, req); 416488eea45cSKlaus Jensen } 416588eea45cSKlaus Jensen 416688eea45cSKlaus Jensen static uint16_t nvme_error_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 416788eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 416888eea45cSKlaus Jensen { 416988eea45cSKlaus Jensen uint32_t trans_len; 417088eea45cSKlaus Jensen NvmeErrorLog errlog; 417188eea45cSKlaus Jensen 417288eea45cSKlaus Jensen if (off >= sizeof(errlog)) { 417388eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 417488eea45cSKlaus Jensen } 417588eea45cSKlaus Jensen 417688eea45cSKlaus Jensen if (!rae) { 417788eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_ERROR); 417888eea45cSKlaus Jensen } 417988eea45cSKlaus Jensen 418088eea45cSKlaus Jensen memset(&errlog, 0x0, sizeof(errlog)); 418188eea45cSKlaus Jensen trans_len = MIN(sizeof(errlog) - off, buf_len); 418288eea45cSKlaus Jensen 418388eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&errlog, trans_len, req); 418488eea45cSKlaus Jensen } 418588eea45cSKlaus Jensen 418688eea45cSKlaus Jensen static uint16_t nvme_changed_nslist(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, 418788eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 418888eea45cSKlaus Jensen { 418988eea45cSKlaus Jensen uint32_t nslist[1024]; 419088eea45cSKlaus Jensen uint32_t trans_len; 419188eea45cSKlaus Jensen int i = 0; 419288eea45cSKlaus Jensen uint32_t nsid; 419388eea45cSKlaus Jensen 4194e2c57529SKlaus Jensen if (off >= sizeof(nslist)) { 4195e2c57529SKlaus Jensen trace_pci_nvme_err_invalid_log_page_offset(off, sizeof(nslist)); 4196e2c57529SKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 4197e2c57529SKlaus Jensen } 4198e2c57529SKlaus Jensen 419988eea45cSKlaus Jensen memset(nslist, 0x0, sizeof(nslist)); 420088eea45cSKlaus Jensen trans_len = MIN(sizeof(nslist) - off, buf_len); 420188eea45cSKlaus Jensen 420288eea45cSKlaus Jensen while ((nsid = find_first_bit(n->changed_nsids, NVME_CHANGED_NSID_SIZE)) != 420388eea45cSKlaus Jensen NVME_CHANGED_NSID_SIZE) { 420488eea45cSKlaus Jensen /* 420588eea45cSKlaus Jensen * If more than 1024 namespaces, the first entry in the log page should 420688eea45cSKlaus Jensen * be set to FFFFFFFFh and the others to 0 as spec. 420788eea45cSKlaus Jensen */ 420888eea45cSKlaus Jensen if (i == ARRAY_SIZE(nslist)) { 420988eea45cSKlaus Jensen memset(nslist, 0x0, sizeof(nslist)); 421088eea45cSKlaus Jensen nslist[0] = 0xffffffff; 421188eea45cSKlaus Jensen break; 421288eea45cSKlaus Jensen } 421388eea45cSKlaus Jensen 421488eea45cSKlaus Jensen nslist[i++] = nsid; 421588eea45cSKlaus Jensen clear_bit(nsid, n->changed_nsids); 421688eea45cSKlaus Jensen } 421788eea45cSKlaus Jensen 421888eea45cSKlaus Jensen /* 421988eea45cSKlaus Jensen * Remove all the remaining list entries in case returns directly due to 422088eea45cSKlaus Jensen * more than 1024 namespaces. 422188eea45cSKlaus Jensen */ 422288eea45cSKlaus Jensen if (nslist[0] == 0xffffffff) { 422388eea45cSKlaus Jensen bitmap_zero(n->changed_nsids, NVME_CHANGED_NSID_SIZE); 422488eea45cSKlaus Jensen } 422588eea45cSKlaus Jensen 422688eea45cSKlaus Jensen if (!rae) { 422788eea45cSKlaus Jensen nvme_clear_events(n, NVME_AER_TYPE_NOTICE); 422888eea45cSKlaus Jensen } 422988eea45cSKlaus Jensen 423088eea45cSKlaus Jensen return nvme_c2h(n, ((uint8_t *)nslist) + off, trans_len, req); 423188eea45cSKlaus Jensen } 423288eea45cSKlaus Jensen 423388eea45cSKlaus Jensen static uint16_t nvme_cmd_effects(NvmeCtrl *n, uint8_t csi, uint32_t buf_len, 423488eea45cSKlaus Jensen uint64_t off, NvmeRequest *req) 423588eea45cSKlaus Jensen { 423688eea45cSKlaus Jensen NvmeEffectsLog log = {}; 423788eea45cSKlaus Jensen const uint32_t *src_iocs = NULL; 423888eea45cSKlaus Jensen uint32_t trans_len; 423988eea45cSKlaus Jensen 424088eea45cSKlaus Jensen if (off >= sizeof(log)) { 424188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_log_page_offset(off, sizeof(log)); 424288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 424388eea45cSKlaus Jensen } 424488eea45cSKlaus Jensen 424549e03457SKlaus Jensen switch (NVME_CC_CSS(ldl_le_p(&n->bar.cc))) { 424688eea45cSKlaus Jensen case NVME_CC_CSS_NVM: 424788eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_nvm; 424888eea45cSKlaus Jensen /* fall through */ 424988eea45cSKlaus Jensen case NVME_CC_CSS_ADMIN_ONLY: 425088eea45cSKlaus Jensen break; 425188eea45cSKlaus Jensen case NVME_CC_CSS_CSI: 425288eea45cSKlaus Jensen switch (csi) { 425388eea45cSKlaus Jensen case NVME_CSI_NVM: 425488eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_nvm; 425588eea45cSKlaus Jensen break; 425688eea45cSKlaus Jensen case NVME_CSI_ZONED: 425788eea45cSKlaus Jensen src_iocs = nvme_cse_iocs_zoned; 425888eea45cSKlaus Jensen break; 425988eea45cSKlaus Jensen } 426088eea45cSKlaus Jensen } 426188eea45cSKlaus Jensen 426288eea45cSKlaus Jensen memcpy(log.acs, nvme_cse_acs, sizeof(nvme_cse_acs)); 426388eea45cSKlaus Jensen 426488eea45cSKlaus Jensen if (src_iocs) { 426588eea45cSKlaus Jensen memcpy(log.iocs, src_iocs, sizeof(log.iocs)); 426688eea45cSKlaus Jensen } 426788eea45cSKlaus Jensen 426888eea45cSKlaus Jensen trans_len = MIN(sizeof(log) - off, buf_len); 426988eea45cSKlaus Jensen 427088eea45cSKlaus Jensen return nvme_c2h(n, ((uint8_t *)&log) + off, trans_len, req); 427188eea45cSKlaus Jensen } 427288eea45cSKlaus Jensen 427388eea45cSKlaus Jensen static uint16_t nvme_get_log(NvmeCtrl *n, NvmeRequest *req) 427488eea45cSKlaus Jensen { 427588eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 427688eea45cSKlaus Jensen 427788eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 427888eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 427988eea45cSKlaus Jensen uint32_t dw12 = le32_to_cpu(cmd->cdw12); 428088eea45cSKlaus Jensen uint32_t dw13 = le32_to_cpu(cmd->cdw13); 428188eea45cSKlaus Jensen uint8_t lid = dw10 & 0xff; 428288eea45cSKlaus Jensen uint8_t lsp = (dw10 >> 8) & 0xf; 428388eea45cSKlaus Jensen uint8_t rae = (dw10 >> 15) & 0x1; 428488eea45cSKlaus Jensen uint8_t csi = le32_to_cpu(cmd->cdw14) >> 24; 428588eea45cSKlaus Jensen uint32_t numdl, numdu; 428688eea45cSKlaus Jensen uint64_t off, lpol, lpou; 428788eea45cSKlaus Jensen size_t len; 428888eea45cSKlaus Jensen uint16_t status; 428988eea45cSKlaus Jensen 429088eea45cSKlaus Jensen numdl = (dw10 >> 16); 429188eea45cSKlaus Jensen numdu = (dw11 & 0xffff); 429288eea45cSKlaus Jensen lpol = dw12; 429388eea45cSKlaus Jensen lpou = dw13; 429488eea45cSKlaus Jensen 429588eea45cSKlaus Jensen len = (((numdu << 16) | numdl) + 1) << 2; 429688eea45cSKlaus Jensen off = (lpou << 32ULL) | lpol; 429788eea45cSKlaus Jensen 429888eea45cSKlaus Jensen if (off & 0x3) { 429988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 430088eea45cSKlaus Jensen } 430188eea45cSKlaus Jensen 430288eea45cSKlaus Jensen trace_pci_nvme_get_log(nvme_cid(req), lid, lsp, rae, len, off); 430388eea45cSKlaus Jensen 430488eea45cSKlaus Jensen status = nvme_check_mdts(n, len); 430588eea45cSKlaus Jensen if (status) { 430688eea45cSKlaus Jensen return status; 430788eea45cSKlaus Jensen } 430888eea45cSKlaus Jensen 430988eea45cSKlaus Jensen switch (lid) { 431088eea45cSKlaus Jensen case NVME_LOG_ERROR_INFO: 431188eea45cSKlaus Jensen return nvme_error_info(n, rae, len, off, req); 431288eea45cSKlaus Jensen case NVME_LOG_SMART_INFO: 431388eea45cSKlaus Jensen return nvme_smart_info(n, rae, len, off, req); 431488eea45cSKlaus Jensen case NVME_LOG_FW_SLOT_INFO: 431588eea45cSKlaus Jensen return nvme_fw_log_info(n, len, off, req); 431688eea45cSKlaus Jensen case NVME_LOG_CHANGED_NSLIST: 431788eea45cSKlaus Jensen return nvme_changed_nslist(n, rae, len, off, req); 431888eea45cSKlaus Jensen case NVME_LOG_CMD_EFFECTS: 431988eea45cSKlaus Jensen return nvme_cmd_effects(n, csi, len, off, req); 432088eea45cSKlaus Jensen default: 432188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_log_page(nvme_cid(req), lid); 432288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 432388eea45cSKlaus Jensen } 432488eea45cSKlaus Jensen } 432588eea45cSKlaus Jensen 432688eea45cSKlaus Jensen static void nvme_free_cq(NvmeCQueue *cq, NvmeCtrl *n) 432788eea45cSKlaus Jensen { 432888eea45cSKlaus Jensen n->cq[cq->cqid] = NULL; 432988eea45cSKlaus Jensen timer_free(cq->timer); 433088eea45cSKlaus Jensen if (msix_enabled(&n->parent_obj)) { 433188eea45cSKlaus Jensen msix_vector_unuse(&n->parent_obj, cq->vector); 433288eea45cSKlaus Jensen } 433388eea45cSKlaus Jensen if (cq->cqid) { 433488eea45cSKlaus Jensen g_free(cq); 433588eea45cSKlaus Jensen } 433688eea45cSKlaus Jensen } 433788eea45cSKlaus Jensen 433888eea45cSKlaus Jensen static uint16_t nvme_del_cq(NvmeCtrl *n, NvmeRequest *req) 433988eea45cSKlaus Jensen { 434088eea45cSKlaus Jensen NvmeDeleteQ *c = (NvmeDeleteQ *)&req->cmd; 434188eea45cSKlaus Jensen NvmeCQueue *cq; 434288eea45cSKlaus Jensen uint16_t qid = le16_to_cpu(c->qid); 434388eea45cSKlaus Jensen 434488eea45cSKlaus Jensen if (unlikely(!qid || nvme_check_cqid(n, qid))) { 434588eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_cq_cqid(qid); 434688eea45cSKlaus Jensen return NVME_INVALID_CQID | NVME_DNR; 434788eea45cSKlaus Jensen } 434888eea45cSKlaus Jensen 434988eea45cSKlaus Jensen cq = n->cq[qid]; 435088eea45cSKlaus Jensen if (unlikely(!QTAILQ_EMPTY(&cq->sq_list))) { 435188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_del_cq_notempty(qid); 435288eea45cSKlaus Jensen return NVME_INVALID_QUEUE_DEL; 435388eea45cSKlaus Jensen } 435483d7ed5cSKlaus Jensen 435583d7ed5cSKlaus Jensen if (cq->irq_enabled && cq->tail != cq->head) { 435683d7ed5cSKlaus Jensen n->cq_pending--; 435783d7ed5cSKlaus Jensen } 435883d7ed5cSKlaus Jensen 435988eea45cSKlaus Jensen nvme_irq_deassert(n, cq); 436088eea45cSKlaus Jensen trace_pci_nvme_del_cq(qid); 436188eea45cSKlaus Jensen nvme_free_cq(cq, n); 436288eea45cSKlaus Jensen return NVME_SUCCESS; 436388eea45cSKlaus Jensen } 436488eea45cSKlaus Jensen 436588eea45cSKlaus Jensen static void nvme_init_cq(NvmeCQueue *cq, NvmeCtrl *n, uint64_t dma_addr, 436688eea45cSKlaus Jensen uint16_t cqid, uint16_t vector, uint16_t size, 436788eea45cSKlaus Jensen uint16_t irq_enabled) 436888eea45cSKlaus Jensen { 436988eea45cSKlaus Jensen int ret; 437088eea45cSKlaus Jensen 437188eea45cSKlaus Jensen if (msix_enabled(&n->parent_obj)) { 437288eea45cSKlaus Jensen ret = msix_vector_use(&n->parent_obj, vector); 437388eea45cSKlaus Jensen assert(ret == 0); 437488eea45cSKlaus Jensen } 437588eea45cSKlaus Jensen cq->ctrl = n; 437688eea45cSKlaus Jensen cq->cqid = cqid; 437788eea45cSKlaus Jensen cq->size = size; 437888eea45cSKlaus Jensen cq->dma_addr = dma_addr; 437988eea45cSKlaus Jensen cq->phase = 1; 438088eea45cSKlaus Jensen cq->irq_enabled = irq_enabled; 438188eea45cSKlaus Jensen cq->vector = vector; 438288eea45cSKlaus Jensen cq->head = cq->tail = 0; 438388eea45cSKlaus Jensen QTAILQ_INIT(&cq->req_list); 438488eea45cSKlaus Jensen QTAILQ_INIT(&cq->sq_list); 438588eea45cSKlaus Jensen n->cq[cqid] = cq; 438688eea45cSKlaus Jensen cq->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, nvme_post_cqes, cq); 438788eea45cSKlaus Jensen } 438888eea45cSKlaus Jensen 438988eea45cSKlaus Jensen static uint16_t nvme_create_cq(NvmeCtrl *n, NvmeRequest *req) 439088eea45cSKlaus Jensen { 439188eea45cSKlaus Jensen NvmeCQueue *cq; 439288eea45cSKlaus Jensen NvmeCreateCq *c = (NvmeCreateCq *)&req->cmd; 439388eea45cSKlaus Jensen uint16_t cqid = le16_to_cpu(c->cqid); 439488eea45cSKlaus Jensen uint16_t vector = le16_to_cpu(c->irq_vector); 439588eea45cSKlaus Jensen uint16_t qsize = le16_to_cpu(c->qsize); 439688eea45cSKlaus Jensen uint16_t qflags = le16_to_cpu(c->cq_flags); 439788eea45cSKlaus Jensen uint64_t prp1 = le64_to_cpu(c->prp1); 439888eea45cSKlaus Jensen 439988eea45cSKlaus Jensen trace_pci_nvme_create_cq(prp1, cqid, vector, qsize, qflags, 440088eea45cSKlaus Jensen NVME_CQ_FLAGS_IEN(qflags) != 0); 440188eea45cSKlaus Jensen 440288eea45cSKlaus Jensen if (unlikely(!cqid || cqid > n->params.max_ioqpairs || 440388eea45cSKlaus Jensen n->cq[cqid] != NULL)) { 440488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_cqid(cqid); 440588eea45cSKlaus Jensen return NVME_INVALID_QID | NVME_DNR; 440688eea45cSKlaus Jensen } 440749e03457SKlaus Jensen if (unlikely(!qsize || qsize > NVME_CAP_MQES(ldq_le_p(&n->bar.cap)))) { 440888eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_size(qsize); 440988eea45cSKlaus Jensen return NVME_MAX_QSIZE_EXCEEDED | NVME_DNR; 441088eea45cSKlaus Jensen } 441188eea45cSKlaus Jensen if (unlikely(prp1 & (n->page_size - 1))) { 441288eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_addr(prp1); 441388eea45cSKlaus Jensen return NVME_INVALID_PRP_OFFSET | NVME_DNR; 441488eea45cSKlaus Jensen } 441588eea45cSKlaus Jensen if (unlikely(!msix_enabled(&n->parent_obj) && vector)) { 441688eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_vector(vector); 441788eea45cSKlaus Jensen return NVME_INVALID_IRQ_VECTOR | NVME_DNR; 441888eea45cSKlaus Jensen } 441988eea45cSKlaus Jensen if (unlikely(vector >= n->params.msix_qsize)) { 442088eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_vector(vector); 442188eea45cSKlaus Jensen return NVME_INVALID_IRQ_VECTOR | NVME_DNR; 442288eea45cSKlaus Jensen } 442388eea45cSKlaus Jensen if (unlikely(!(NVME_CQ_FLAGS_PC(qflags)))) { 442488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_create_cq_qflags(NVME_CQ_FLAGS_PC(qflags)); 442588eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 442688eea45cSKlaus Jensen } 442788eea45cSKlaus Jensen 442888eea45cSKlaus Jensen cq = g_malloc0(sizeof(*cq)); 442988eea45cSKlaus Jensen nvme_init_cq(cq, n, prp1, cqid, vector, qsize + 1, 443088eea45cSKlaus Jensen NVME_CQ_FLAGS_IEN(qflags)); 443188eea45cSKlaus Jensen 443288eea45cSKlaus Jensen /* 443388eea45cSKlaus Jensen * It is only required to set qs_created when creating a completion queue; 443488eea45cSKlaus Jensen * creating a submission queue without a matching completion queue will 443588eea45cSKlaus Jensen * fail. 443688eea45cSKlaus Jensen */ 443788eea45cSKlaus Jensen n->qs_created = true; 443888eea45cSKlaus Jensen return NVME_SUCCESS; 443988eea45cSKlaus Jensen } 444088eea45cSKlaus Jensen 444188eea45cSKlaus Jensen static uint16_t nvme_rpt_empty_id_struct(NvmeCtrl *n, NvmeRequest *req) 444288eea45cSKlaus Jensen { 444388eea45cSKlaus Jensen uint8_t id[NVME_IDENTIFY_DATA_SIZE] = {}; 444488eea45cSKlaus Jensen 444588eea45cSKlaus Jensen return nvme_c2h(n, id, sizeof(id), req); 444688eea45cSKlaus Jensen } 444788eea45cSKlaus Jensen 444888eea45cSKlaus Jensen static uint16_t nvme_identify_ctrl(NvmeCtrl *n, NvmeRequest *req) 444988eea45cSKlaus Jensen { 445088eea45cSKlaus Jensen trace_pci_nvme_identify_ctrl(); 445188eea45cSKlaus Jensen 445288eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&n->id_ctrl, sizeof(n->id_ctrl), req); 445388eea45cSKlaus Jensen } 445488eea45cSKlaus Jensen 445588eea45cSKlaus Jensen static uint16_t nvme_identify_ctrl_csi(NvmeCtrl *n, NvmeRequest *req) 445688eea45cSKlaus Jensen { 445788eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 445888eea45cSKlaus Jensen uint8_t id[NVME_IDENTIFY_DATA_SIZE] = {}; 445988eea45cSKlaus Jensen NvmeIdCtrlNvm *id_nvm = (NvmeIdCtrlNvm *)&id; 446088eea45cSKlaus Jensen 446188eea45cSKlaus Jensen trace_pci_nvme_identify_ctrl_csi(c->csi); 446288eea45cSKlaus Jensen 446388eea45cSKlaus Jensen switch (c->csi) { 446488eea45cSKlaus Jensen case NVME_CSI_NVM: 446588eea45cSKlaus Jensen id_nvm->vsl = n->params.vsl; 446688eea45cSKlaus Jensen id_nvm->dmrsl = cpu_to_le32(n->dmrsl); 446788eea45cSKlaus Jensen break; 446888eea45cSKlaus Jensen 446988eea45cSKlaus Jensen case NVME_CSI_ZONED: 447088eea45cSKlaus Jensen ((NvmeIdCtrlZoned *)&id)->zasl = n->params.zasl; 447188eea45cSKlaus Jensen break; 447288eea45cSKlaus Jensen 447388eea45cSKlaus Jensen default: 447488eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 447588eea45cSKlaus Jensen } 447688eea45cSKlaus Jensen 447788eea45cSKlaus Jensen return nvme_c2h(n, id, sizeof(id), req); 447888eea45cSKlaus Jensen } 447988eea45cSKlaus Jensen 448088eea45cSKlaus Jensen static uint16_t nvme_identify_ns(NvmeCtrl *n, NvmeRequest *req, bool active) 448188eea45cSKlaus Jensen { 448288eea45cSKlaus Jensen NvmeNamespace *ns; 448388eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 448488eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 448588eea45cSKlaus Jensen 448688eea45cSKlaus Jensen trace_pci_nvme_identify_ns(nsid); 448788eea45cSKlaus Jensen 448888eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 448988eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 449088eea45cSKlaus Jensen } 449188eea45cSKlaus Jensen 449288eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 449388eea45cSKlaus Jensen if (unlikely(!ns)) { 449488eea45cSKlaus Jensen if (!active) { 449588eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 449688eea45cSKlaus Jensen if (!ns) { 449788eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 449888eea45cSKlaus Jensen } 449988eea45cSKlaus Jensen } else { 450088eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 450188eea45cSKlaus Jensen } 450288eea45cSKlaus Jensen } 450388eea45cSKlaus Jensen 45043553c48fSGollu Appalanaidu if (active || ns->csi == NVME_CSI_NVM) { 450588eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)&ns->id_ns, sizeof(NvmeIdNs), req); 450688eea45cSKlaus Jensen } 450788eea45cSKlaus Jensen 450888eea45cSKlaus Jensen return NVME_INVALID_CMD_SET | NVME_DNR; 450988eea45cSKlaus Jensen } 451088eea45cSKlaus Jensen 45115f4eb94dSGollu Appalanaidu static uint16_t nvme_identify_ctrl_list(NvmeCtrl *n, NvmeRequest *req, 45125f4eb94dSGollu Appalanaidu bool attached) 451388eea45cSKlaus Jensen { 451488eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 45155f4eb94dSGollu Appalanaidu uint32_t nsid = le32_to_cpu(c->nsid); 451688eea45cSKlaus Jensen uint16_t min_id = le16_to_cpu(c->ctrlid); 451788eea45cSKlaus Jensen uint16_t list[NVME_CONTROLLER_LIST_SIZE] = {}; 451888eea45cSKlaus Jensen uint16_t *ids = &list[1]; 451988eea45cSKlaus Jensen NvmeNamespace *ns; 452088eea45cSKlaus Jensen NvmeCtrl *ctrl; 452188eea45cSKlaus Jensen int cntlid, nr_ids = 0; 452288eea45cSKlaus Jensen 45235f4eb94dSGollu Appalanaidu trace_pci_nvme_identify_ctrl_list(c->cns, min_id); 452488eea45cSKlaus Jensen 45255f4eb94dSGollu Appalanaidu if (!n->subsys) { 452688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 452788eea45cSKlaus Jensen } 452888eea45cSKlaus Jensen 45295f4eb94dSGollu Appalanaidu if (attached) { 45305f4eb94dSGollu Appalanaidu if (nsid == NVME_NSID_BROADCAST) { 45315f4eb94dSGollu Appalanaidu return NVME_INVALID_FIELD | NVME_DNR; 45325f4eb94dSGollu Appalanaidu } 45335f4eb94dSGollu Appalanaidu 45345f4eb94dSGollu Appalanaidu ns = nvme_subsys_ns(n->subsys, nsid); 453588eea45cSKlaus Jensen if (!ns) { 453688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 453788eea45cSKlaus Jensen } 45385f4eb94dSGollu Appalanaidu } 453988eea45cSKlaus Jensen 454088eea45cSKlaus Jensen for (cntlid = min_id; cntlid < ARRAY_SIZE(n->subsys->ctrls); cntlid++) { 454188eea45cSKlaus Jensen ctrl = nvme_subsys_ctrl(n->subsys, cntlid); 454288eea45cSKlaus Jensen if (!ctrl) { 454388eea45cSKlaus Jensen continue; 454488eea45cSKlaus Jensen } 454588eea45cSKlaus Jensen 45465f4eb94dSGollu Appalanaidu if (attached && !nvme_ns(ctrl, nsid)) { 454788eea45cSKlaus Jensen continue; 454888eea45cSKlaus Jensen } 454988eea45cSKlaus Jensen 455088eea45cSKlaus Jensen ids[nr_ids++] = cntlid; 455188eea45cSKlaus Jensen } 455288eea45cSKlaus Jensen 455388eea45cSKlaus Jensen list[0] = nr_ids; 455488eea45cSKlaus Jensen 455588eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)list, sizeof(list), req); 455688eea45cSKlaus Jensen } 455788eea45cSKlaus Jensen 455888eea45cSKlaus Jensen static uint16_t nvme_identify_ns_csi(NvmeCtrl *n, NvmeRequest *req, 455988eea45cSKlaus Jensen bool active) 456088eea45cSKlaus Jensen { 456188eea45cSKlaus Jensen NvmeNamespace *ns; 456288eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 456388eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 456488eea45cSKlaus Jensen 456588eea45cSKlaus Jensen trace_pci_nvme_identify_ns_csi(nsid, c->csi); 456688eea45cSKlaus Jensen 456788eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 456888eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 456988eea45cSKlaus Jensen } 457088eea45cSKlaus Jensen 457188eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 457288eea45cSKlaus Jensen if (unlikely(!ns)) { 457388eea45cSKlaus Jensen if (!active) { 457488eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 457588eea45cSKlaus Jensen if (!ns) { 457688eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 457788eea45cSKlaus Jensen } 457888eea45cSKlaus Jensen } else { 457988eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 458088eea45cSKlaus Jensen } 458188eea45cSKlaus Jensen } 458288eea45cSKlaus Jensen 45833553c48fSGollu Appalanaidu if (c->csi == NVME_CSI_NVM) { 458488eea45cSKlaus Jensen return nvme_rpt_empty_id_struct(n, req); 458588eea45cSKlaus Jensen } else if (c->csi == NVME_CSI_ZONED && ns->csi == NVME_CSI_ZONED) { 458688eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)ns->id_ns_zoned, sizeof(NvmeIdNsZoned), 458788eea45cSKlaus Jensen req); 458888eea45cSKlaus Jensen } 458988eea45cSKlaus Jensen 459088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 459188eea45cSKlaus Jensen } 459288eea45cSKlaus Jensen 459388eea45cSKlaus Jensen static uint16_t nvme_identify_nslist(NvmeCtrl *n, NvmeRequest *req, 459488eea45cSKlaus Jensen bool active) 459588eea45cSKlaus Jensen { 459688eea45cSKlaus Jensen NvmeNamespace *ns; 459788eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 459888eea45cSKlaus Jensen uint32_t min_nsid = le32_to_cpu(c->nsid); 459988eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 460088eea45cSKlaus Jensen static const int data_len = sizeof(list); 460188eea45cSKlaus Jensen uint32_t *list_ptr = (uint32_t *)list; 460288eea45cSKlaus Jensen int i, j = 0; 460388eea45cSKlaus Jensen 460488eea45cSKlaus Jensen trace_pci_nvme_identify_nslist(min_nsid); 460588eea45cSKlaus Jensen 460688eea45cSKlaus Jensen /* 460788eea45cSKlaus Jensen * Both FFFFFFFFh (NVME_NSID_BROADCAST) and FFFFFFFFEh are invalid values 460888eea45cSKlaus Jensen * since the Active Namespace ID List should return namespaces with ids 460988eea45cSKlaus Jensen * *higher* than the NSID specified in the command. This is also specified 461088eea45cSKlaus Jensen * in the spec (NVM Express v1.3d, Section 5.15.4). 461188eea45cSKlaus Jensen */ 461288eea45cSKlaus Jensen if (min_nsid >= NVME_NSID_BROADCAST - 1) { 461388eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 461488eea45cSKlaus Jensen } 461588eea45cSKlaus Jensen 461688eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 461788eea45cSKlaus Jensen ns = nvme_ns(n, i); 461888eea45cSKlaus Jensen if (!ns) { 461988eea45cSKlaus Jensen if (!active) { 462088eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, i); 462188eea45cSKlaus Jensen if (!ns) { 462288eea45cSKlaus Jensen continue; 462388eea45cSKlaus Jensen } 462488eea45cSKlaus Jensen } else { 462588eea45cSKlaus Jensen continue; 462688eea45cSKlaus Jensen } 462788eea45cSKlaus Jensen } 462888eea45cSKlaus Jensen if (ns->params.nsid <= min_nsid) { 462988eea45cSKlaus Jensen continue; 463088eea45cSKlaus Jensen } 463188eea45cSKlaus Jensen list_ptr[j++] = cpu_to_le32(ns->params.nsid); 463288eea45cSKlaus Jensen if (j == data_len / sizeof(uint32_t)) { 463388eea45cSKlaus Jensen break; 463488eea45cSKlaus Jensen } 463588eea45cSKlaus Jensen } 463688eea45cSKlaus Jensen 463788eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 463888eea45cSKlaus Jensen } 463988eea45cSKlaus Jensen 464088eea45cSKlaus Jensen static uint16_t nvme_identify_nslist_csi(NvmeCtrl *n, NvmeRequest *req, 464188eea45cSKlaus Jensen bool active) 464288eea45cSKlaus Jensen { 464388eea45cSKlaus Jensen NvmeNamespace *ns; 464488eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 464588eea45cSKlaus Jensen uint32_t min_nsid = le32_to_cpu(c->nsid); 464688eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 464788eea45cSKlaus Jensen static const int data_len = sizeof(list); 464888eea45cSKlaus Jensen uint32_t *list_ptr = (uint32_t *)list; 464988eea45cSKlaus Jensen int i, j = 0; 465088eea45cSKlaus Jensen 465188eea45cSKlaus Jensen trace_pci_nvme_identify_nslist_csi(min_nsid, c->csi); 465288eea45cSKlaus Jensen 465388eea45cSKlaus Jensen /* 465488eea45cSKlaus Jensen * Same as in nvme_identify_nslist(), FFFFFFFFh/FFFFFFFFEh are invalid. 465588eea45cSKlaus Jensen */ 465688eea45cSKlaus Jensen if (min_nsid >= NVME_NSID_BROADCAST - 1) { 465788eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 465888eea45cSKlaus Jensen } 465988eea45cSKlaus Jensen 466088eea45cSKlaus Jensen if (c->csi != NVME_CSI_NVM && c->csi != NVME_CSI_ZONED) { 466188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 466288eea45cSKlaus Jensen } 466388eea45cSKlaus Jensen 466488eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 466588eea45cSKlaus Jensen ns = nvme_ns(n, i); 466688eea45cSKlaus Jensen if (!ns) { 466788eea45cSKlaus Jensen if (!active) { 466888eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, i); 466988eea45cSKlaus Jensen if (!ns) { 467088eea45cSKlaus Jensen continue; 467188eea45cSKlaus Jensen } 467288eea45cSKlaus Jensen } else { 467388eea45cSKlaus Jensen continue; 467488eea45cSKlaus Jensen } 467588eea45cSKlaus Jensen } 467688eea45cSKlaus Jensen if (ns->params.nsid <= min_nsid || c->csi != ns->csi) { 467788eea45cSKlaus Jensen continue; 467888eea45cSKlaus Jensen } 467988eea45cSKlaus Jensen list_ptr[j++] = cpu_to_le32(ns->params.nsid); 468088eea45cSKlaus Jensen if (j == data_len / sizeof(uint32_t)) { 468188eea45cSKlaus Jensen break; 468288eea45cSKlaus Jensen } 468388eea45cSKlaus Jensen } 468488eea45cSKlaus Jensen 468588eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 468688eea45cSKlaus Jensen } 468788eea45cSKlaus Jensen 468888eea45cSKlaus Jensen static uint16_t nvme_identify_ns_descr_list(NvmeCtrl *n, NvmeRequest *req) 468988eea45cSKlaus Jensen { 469088eea45cSKlaus Jensen NvmeNamespace *ns; 469188eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 469288eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(c->nsid); 469388eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 46946870cfb8SHeinrich Schuchardt uint8_t *pos = list; 469588eea45cSKlaus Jensen struct { 469688eea45cSKlaus Jensen NvmeIdNsDescr hdr; 469788eea45cSKlaus Jensen uint8_t v[NVME_NIDL_UUID]; 46985f4884c4SKlaus Jensen } QEMU_PACKED uuid = {}; 46996870cfb8SHeinrich Schuchardt struct { 47006870cfb8SHeinrich Schuchardt NvmeIdNsDescr hdr; 47016870cfb8SHeinrich Schuchardt uint64_t v; 47025f4884c4SKlaus Jensen } QEMU_PACKED eui64 = {}; 470388eea45cSKlaus Jensen struct { 470488eea45cSKlaus Jensen NvmeIdNsDescr hdr; 470588eea45cSKlaus Jensen uint8_t v; 47065f4884c4SKlaus Jensen } QEMU_PACKED csi = {}; 470788eea45cSKlaus Jensen 470888eea45cSKlaus Jensen trace_pci_nvme_identify_ns_descr_list(nsid); 470988eea45cSKlaus Jensen 471088eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 471188eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 471288eea45cSKlaus Jensen } 471388eea45cSKlaus Jensen 471488eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 471588eea45cSKlaus Jensen if (unlikely(!ns)) { 471688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 471788eea45cSKlaus Jensen } 471888eea45cSKlaus Jensen 471988eea45cSKlaus Jensen /* 47206870cfb8SHeinrich Schuchardt * If the EUI-64 field is 0 and the NGUID field is 0, the namespace must 47216870cfb8SHeinrich Schuchardt * provide a valid Namespace UUID in the Namespace Identification Descriptor 47226870cfb8SHeinrich Schuchardt * data structure. QEMU does not yet support setting NGUID. 472388eea45cSKlaus Jensen */ 47246870cfb8SHeinrich Schuchardt uuid.hdr.nidt = NVME_NIDT_UUID; 47256870cfb8SHeinrich Schuchardt uuid.hdr.nidl = NVME_NIDL_UUID; 47266870cfb8SHeinrich Schuchardt memcpy(uuid.v, ns->params.uuid.data, NVME_NIDL_UUID); 47276870cfb8SHeinrich Schuchardt memcpy(pos, &uuid, sizeof(uuid)); 47286870cfb8SHeinrich Schuchardt pos += sizeof(uuid); 472988eea45cSKlaus Jensen 47306870cfb8SHeinrich Schuchardt if (ns->params.eui64) { 47316870cfb8SHeinrich Schuchardt eui64.hdr.nidt = NVME_NIDT_EUI64; 47326870cfb8SHeinrich Schuchardt eui64.hdr.nidl = NVME_NIDL_EUI64; 47336870cfb8SHeinrich Schuchardt eui64.v = cpu_to_be64(ns->params.eui64); 47346870cfb8SHeinrich Schuchardt memcpy(pos, &eui64, sizeof(eui64)); 47356870cfb8SHeinrich Schuchardt pos += sizeof(eui64); 47366870cfb8SHeinrich Schuchardt } 47376870cfb8SHeinrich Schuchardt 47386870cfb8SHeinrich Schuchardt csi.hdr.nidt = NVME_NIDT_CSI; 47396870cfb8SHeinrich Schuchardt csi.hdr.nidl = NVME_NIDL_CSI; 47406870cfb8SHeinrich Schuchardt csi.v = ns->csi; 47416870cfb8SHeinrich Schuchardt memcpy(pos, &csi, sizeof(csi)); 47426870cfb8SHeinrich Schuchardt pos += sizeof(csi); 474388eea45cSKlaus Jensen 474488eea45cSKlaus Jensen return nvme_c2h(n, list, sizeof(list), req); 474588eea45cSKlaus Jensen } 474688eea45cSKlaus Jensen 474788eea45cSKlaus Jensen static uint16_t nvme_identify_cmd_set(NvmeCtrl *n, NvmeRequest *req) 474888eea45cSKlaus Jensen { 474988eea45cSKlaus Jensen uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; 475088eea45cSKlaus Jensen static const int data_len = sizeof(list); 475188eea45cSKlaus Jensen 475288eea45cSKlaus Jensen trace_pci_nvme_identify_cmd_set(); 475388eea45cSKlaus Jensen 475488eea45cSKlaus Jensen NVME_SET_CSI(*list, NVME_CSI_NVM); 475588eea45cSKlaus Jensen NVME_SET_CSI(*list, NVME_CSI_ZONED); 475688eea45cSKlaus Jensen 475788eea45cSKlaus Jensen return nvme_c2h(n, list, data_len, req); 475888eea45cSKlaus Jensen } 475988eea45cSKlaus Jensen 476088eea45cSKlaus Jensen static uint16_t nvme_identify(NvmeCtrl *n, NvmeRequest *req) 476188eea45cSKlaus Jensen { 476288eea45cSKlaus Jensen NvmeIdentify *c = (NvmeIdentify *)&req->cmd; 476388eea45cSKlaus Jensen 476488eea45cSKlaus Jensen trace_pci_nvme_identify(nvme_cid(req), c->cns, le16_to_cpu(c->ctrlid), 476588eea45cSKlaus Jensen c->csi); 476688eea45cSKlaus Jensen 476788eea45cSKlaus Jensen switch (c->cns) { 476888eea45cSKlaus Jensen case NVME_ID_CNS_NS: 476988eea45cSKlaus Jensen return nvme_identify_ns(n, req, true); 477088eea45cSKlaus Jensen case NVME_ID_CNS_NS_PRESENT: 477188eea45cSKlaus Jensen return nvme_identify_ns(n, req, false); 477288eea45cSKlaus Jensen case NVME_ID_CNS_NS_ATTACHED_CTRL_LIST: 47735f4eb94dSGollu Appalanaidu return nvme_identify_ctrl_list(n, req, true); 47745f4eb94dSGollu Appalanaidu case NVME_ID_CNS_CTRL_LIST: 47755f4eb94dSGollu Appalanaidu return nvme_identify_ctrl_list(n, req, false); 477688eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS: 477788eea45cSKlaus Jensen return nvme_identify_ns_csi(n, req, true); 477888eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_PRESENT: 477988eea45cSKlaus Jensen return nvme_identify_ns_csi(n, req, false); 478088eea45cSKlaus Jensen case NVME_ID_CNS_CTRL: 478188eea45cSKlaus Jensen return nvme_identify_ctrl(n, req); 478288eea45cSKlaus Jensen case NVME_ID_CNS_CS_CTRL: 478388eea45cSKlaus Jensen return nvme_identify_ctrl_csi(n, req); 478488eea45cSKlaus Jensen case NVME_ID_CNS_NS_ACTIVE_LIST: 478588eea45cSKlaus Jensen return nvme_identify_nslist(n, req, true); 478688eea45cSKlaus Jensen case NVME_ID_CNS_NS_PRESENT_LIST: 478788eea45cSKlaus Jensen return nvme_identify_nslist(n, req, false); 478888eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_ACTIVE_LIST: 478988eea45cSKlaus Jensen return nvme_identify_nslist_csi(n, req, true); 479088eea45cSKlaus Jensen case NVME_ID_CNS_CS_NS_PRESENT_LIST: 479188eea45cSKlaus Jensen return nvme_identify_nslist_csi(n, req, false); 479288eea45cSKlaus Jensen case NVME_ID_CNS_NS_DESCR_LIST: 479388eea45cSKlaus Jensen return nvme_identify_ns_descr_list(n, req); 479488eea45cSKlaus Jensen case NVME_ID_CNS_IO_COMMAND_SET: 479588eea45cSKlaus Jensen return nvme_identify_cmd_set(n, req); 479688eea45cSKlaus Jensen default: 479788eea45cSKlaus Jensen trace_pci_nvme_err_invalid_identify_cns(le32_to_cpu(c->cns)); 479888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 479988eea45cSKlaus Jensen } 480088eea45cSKlaus Jensen } 480188eea45cSKlaus Jensen 480288eea45cSKlaus Jensen static uint16_t nvme_abort(NvmeCtrl *n, NvmeRequest *req) 480388eea45cSKlaus Jensen { 480488eea45cSKlaus Jensen uint16_t sqid = le32_to_cpu(req->cmd.cdw10) & 0xffff; 480588eea45cSKlaus Jensen 480688eea45cSKlaus Jensen req->cqe.result = 1; 480788eea45cSKlaus Jensen if (nvme_check_sqid(n, sqid)) { 480888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 480988eea45cSKlaus Jensen } 481088eea45cSKlaus Jensen 481188eea45cSKlaus Jensen return NVME_SUCCESS; 481288eea45cSKlaus Jensen } 481388eea45cSKlaus Jensen 481488eea45cSKlaus Jensen static inline void nvme_set_timestamp(NvmeCtrl *n, uint64_t ts) 481588eea45cSKlaus Jensen { 481688eea45cSKlaus Jensen trace_pci_nvme_setfeat_timestamp(ts); 481788eea45cSKlaus Jensen 481888eea45cSKlaus Jensen n->host_timestamp = le64_to_cpu(ts); 481988eea45cSKlaus Jensen n->timestamp_set_qemu_clock_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 482088eea45cSKlaus Jensen } 482188eea45cSKlaus Jensen 482288eea45cSKlaus Jensen static inline uint64_t nvme_get_timestamp(const NvmeCtrl *n) 482388eea45cSKlaus Jensen { 482488eea45cSKlaus Jensen uint64_t current_time = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 482588eea45cSKlaus Jensen uint64_t elapsed_time = current_time - n->timestamp_set_qemu_clock_ms; 482688eea45cSKlaus Jensen 482788eea45cSKlaus Jensen union nvme_timestamp { 482888eea45cSKlaus Jensen struct { 482988eea45cSKlaus Jensen uint64_t timestamp:48; 483088eea45cSKlaus Jensen uint64_t sync:1; 483188eea45cSKlaus Jensen uint64_t origin:3; 483288eea45cSKlaus Jensen uint64_t rsvd1:12; 483388eea45cSKlaus Jensen }; 483488eea45cSKlaus Jensen uint64_t all; 483588eea45cSKlaus Jensen }; 483688eea45cSKlaus Jensen 483788eea45cSKlaus Jensen union nvme_timestamp ts; 483888eea45cSKlaus Jensen ts.all = 0; 483988eea45cSKlaus Jensen ts.timestamp = n->host_timestamp + elapsed_time; 484088eea45cSKlaus Jensen 484188eea45cSKlaus Jensen /* If the host timestamp is non-zero, set the timestamp origin */ 484288eea45cSKlaus Jensen ts.origin = n->host_timestamp ? 0x01 : 0x00; 484388eea45cSKlaus Jensen 484488eea45cSKlaus Jensen trace_pci_nvme_getfeat_timestamp(ts.all); 484588eea45cSKlaus Jensen 484688eea45cSKlaus Jensen return cpu_to_le64(ts.all); 484788eea45cSKlaus Jensen } 484888eea45cSKlaus Jensen 484988eea45cSKlaus Jensen static uint16_t nvme_get_feature_timestamp(NvmeCtrl *n, NvmeRequest *req) 485088eea45cSKlaus Jensen { 485188eea45cSKlaus Jensen uint64_t timestamp = nvme_get_timestamp(n); 485288eea45cSKlaus Jensen 485388eea45cSKlaus Jensen return nvme_c2h(n, (uint8_t *)×tamp, sizeof(timestamp), req); 485488eea45cSKlaus Jensen } 485588eea45cSKlaus Jensen 485688eea45cSKlaus Jensen static uint16_t nvme_get_feature(NvmeCtrl *n, NvmeRequest *req) 485788eea45cSKlaus Jensen { 485888eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 485988eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 486088eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 486188eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(cmd->nsid); 486288eea45cSKlaus Jensen uint32_t result; 486388eea45cSKlaus Jensen uint8_t fid = NVME_GETSETFEAT_FID(dw10); 486488eea45cSKlaus Jensen NvmeGetFeatureSelect sel = NVME_GETFEAT_SELECT(dw10); 486588eea45cSKlaus Jensen uint16_t iv; 486688eea45cSKlaus Jensen NvmeNamespace *ns; 486788eea45cSKlaus Jensen int i; 486888eea45cSKlaus Jensen 486988eea45cSKlaus Jensen static const uint32_t nvme_feature_default[NVME_FID_MAX] = { 487088eea45cSKlaus Jensen [NVME_ARBITRATION] = NVME_ARB_AB_NOLIMIT, 487188eea45cSKlaus Jensen }; 487288eea45cSKlaus Jensen 487388eea45cSKlaus Jensen trace_pci_nvme_getfeat(nvme_cid(req), nsid, fid, sel, dw11); 487488eea45cSKlaus Jensen 487588eea45cSKlaus Jensen if (!nvme_feature_support[fid]) { 487688eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 487788eea45cSKlaus Jensen } 487888eea45cSKlaus Jensen 487988eea45cSKlaus Jensen if (nvme_feature_cap[fid] & NVME_FEAT_CAP_NS) { 488088eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid) || nsid == NVME_NSID_BROADCAST) { 488188eea45cSKlaus Jensen /* 488288eea45cSKlaus Jensen * The Reservation Notification Mask and Reservation Persistence 488388eea45cSKlaus Jensen * features require a status code of Invalid Field in Command when 488488eea45cSKlaus Jensen * NSID is FFFFFFFFh. Since the device does not support those 488588eea45cSKlaus Jensen * features we can always return Invalid Namespace or Format as we 488688eea45cSKlaus Jensen * should do for all other features. 488788eea45cSKlaus Jensen */ 488888eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 488988eea45cSKlaus Jensen } 489088eea45cSKlaus Jensen 489188eea45cSKlaus Jensen if (!nvme_ns(n, nsid)) { 489288eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 489388eea45cSKlaus Jensen } 489488eea45cSKlaus Jensen } 489588eea45cSKlaus Jensen 489688eea45cSKlaus Jensen switch (sel) { 489788eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_CURRENT: 489888eea45cSKlaus Jensen break; 489988eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_SAVED: 490088eea45cSKlaus Jensen /* no features are saveable by the controller; fallthrough */ 490188eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_DEFAULT: 490288eea45cSKlaus Jensen goto defaults; 490388eea45cSKlaus Jensen case NVME_GETFEAT_SELECT_CAP: 490488eea45cSKlaus Jensen result = nvme_feature_cap[fid]; 490588eea45cSKlaus Jensen goto out; 490688eea45cSKlaus Jensen } 490788eea45cSKlaus Jensen 490888eea45cSKlaus Jensen switch (fid) { 490988eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 491088eea45cSKlaus Jensen result = 0; 491188eea45cSKlaus Jensen 491288eea45cSKlaus Jensen /* 491388eea45cSKlaus Jensen * The controller only implements the Composite Temperature sensor, so 491488eea45cSKlaus Jensen * return 0 for all other sensors. 491588eea45cSKlaus Jensen */ 491688eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 491788eea45cSKlaus Jensen goto out; 491888eea45cSKlaus Jensen } 491988eea45cSKlaus Jensen 492088eea45cSKlaus Jensen switch (NVME_TEMP_THSEL(dw11)) { 492188eea45cSKlaus Jensen case NVME_TEMP_THSEL_OVER: 492288eea45cSKlaus Jensen result = n->features.temp_thresh_hi; 492388eea45cSKlaus Jensen goto out; 492488eea45cSKlaus Jensen case NVME_TEMP_THSEL_UNDER: 492588eea45cSKlaus Jensen result = n->features.temp_thresh_low; 492688eea45cSKlaus Jensen goto out; 492788eea45cSKlaus Jensen } 492888eea45cSKlaus Jensen 492988eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 493088eea45cSKlaus Jensen case NVME_ERROR_RECOVERY: 493188eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 493288eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 493388eea45cSKlaus Jensen } 493488eea45cSKlaus Jensen 493588eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 493688eea45cSKlaus Jensen if (unlikely(!ns)) { 493788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 493888eea45cSKlaus Jensen } 493988eea45cSKlaus Jensen 494088eea45cSKlaus Jensen result = ns->features.err_rec; 494188eea45cSKlaus Jensen goto out; 494288eea45cSKlaus Jensen case NVME_VOLATILE_WRITE_CACHE: 494388eea45cSKlaus Jensen result = 0; 494488eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 494588eea45cSKlaus Jensen ns = nvme_ns(n, i); 494688eea45cSKlaus Jensen if (!ns) { 494788eea45cSKlaus Jensen continue; 494888eea45cSKlaus Jensen } 494988eea45cSKlaus Jensen 495088eea45cSKlaus Jensen result = blk_enable_write_cache(ns->blkconf.blk); 495188eea45cSKlaus Jensen if (result) { 495288eea45cSKlaus Jensen break; 495388eea45cSKlaus Jensen } 495488eea45cSKlaus Jensen } 495588eea45cSKlaus Jensen trace_pci_nvme_getfeat_vwcache(result ? "enabled" : "disabled"); 495688eea45cSKlaus Jensen goto out; 495788eea45cSKlaus Jensen case NVME_ASYNCHRONOUS_EVENT_CONF: 495888eea45cSKlaus Jensen result = n->features.async_config; 495988eea45cSKlaus Jensen goto out; 496088eea45cSKlaus Jensen case NVME_TIMESTAMP: 496188eea45cSKlaus Jensen return nvme_get_feature_timestamp(n, req); 496288eea45cSKlaus Jensen default: 496388eea45cSKlaus Jensen break; 496488eea45cSKlaus Jensen } 496588eea45cSKlaus Jensen 496688eea45cSKlaus Jensen defaults: 496788eea45cSKlaus Jensen switch (fid) { 496888eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 496988eea45cSKlaus Jensen result = 0; 497088eea45cSKlaus Jensen 497188eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 497288eea45cSKlaus Jensen break; 497388eea45cSKlaus Jensen } 497488eea45cSKlaus Jensen 497588eea45cSKlaus Jensen if (NVME_TEMP_THSEL(dw11) == NVME_TEMP_THSEL_OVER) { 497688eea45cSKlaus Jensen result = NVME_TEMPERATURE_WARNING; 497788eea45cSKlaus Jensen } 497888eea45cSKlaus Jensen 497988eea45cSKlaus Jensen break; 498088eea45cSKlaus Jensen case NVME_NUMBER_OF_QUEUES: 498188eea45cSKlaus Jensen result = (n->params.max_ioqpairs - 1) | 498288eea45cSKlaus Jensen ((n->params.max_ioqpairs - 1) << 16); 498388eea45cSKlaus Jensen trace_pci_nvme_getfeat_numq(result); 498488eea45cSKlaus Jensen break; 498588eea45cSKlaus Jensen case NVME_INTERRUPT_VECTOR_CONF: 498688eea45cSKlaus Jensen iv = dw11 & 0xffff; 498788eea45cSKlaus Jensen if (iv >= n->params.max_ioqpairs + 1) { 498888eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 498988eea45cSKlaus Jensen } 499088eea45cSKlaus Jensen 499188eea45cSKlaus Jensen result = iv; 499288eea45cSKlaus Jensen if (iv == n->admin_cq.vector) { 499388eea45cSKlaus Jensen result |= NVME_INTVC_NOCOALESCING; 499488eea45cSKlaus Jensen } 499588eea45cSKlaus Jensen break; 499688eea45cSKlaus Jensen default: 499788eea45cSKlaus Jensen result = nvme_feature_default[fid]; 499888eea45cSKlaus Jensen break; 499988eea45cSKlaus Jensen } 500088eea45cSKlaus Jensen 500188eea45cSKlaus Jensen out: 500288eea45cSKlaus Jensen req->cqe.result = cpu_to_le32(result); 500388eea45cSKlaus Jensen return NVME_SUCCESS; 500488eea45cSKlaus Jensen } 500588eea45cSKlaus Jensen 500688eea45cSKlaus Jensen static uint16_t nvme_set_feature_timestamp(NvmeCtrl *n, NvmeRequest *req) 500788eea45cSKlaus Jensen { 500888eea45cSKlaus Jensen uint16_t ret; 500988eea45cSKlaus Jensen uint64_t timestamp; 501088eea45cSKlaus Jensen 501188eea45cSKlaus Jensen ret = nvme_h2c(n, (uint8_t *)×tamp, sizeof(timestamp), req); 501288eea45cSKlaus Jensen if (ret) { 501388eea45cSKlaus Jensen return ret; 501488eea45cSKlaus Jensen } 501588eea45cSKlaus Jensen 501688eea45cSKlaus Jensen nvme_set_timestamp(n, timestamp); 501788eea45cSKlaus Jensen 501888eea45cSKlaus Jensen return NVME_SUCCESS; 501988eea45cSKlaus Jensen } 502088eea45cSKlaus Jensen 502188eea45cSKlaus Jensen static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeRequest *req) 502288eea45cSKlaus Jensen { 502388eea45cSKlaus Jensen NvmeNamespace *ns = NULL; 502488eea45cSKlaus Jensen 502588eea45cSKlaus Jensen NvmeCmd *cmd = &req->cmd; 502688eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 502788eea45cSKlaus Jensen uint32_t dw11 = le32_to_cpu(cmd->cdw11); 502888eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(cmd->nsid); 502988eea45cSKlaus Jensen uint8_t fid = NVME_GETSETFEAT_FID(dw10); 503088eea45cSKlaus Jensen uint8_t save = NVME_SETFEAT_SAVE(dw10); 503188eea45cSKlaus Jensen int i; 503288eea45cSKlaus Jensen 503388eea45cSKlaus Jensen trace_pci_nvme_setfeat(nvme_cid(req), nsid, fid, save, dw11); 503488eea45cSKlaus Jensen 503588eea45cSKlaus Jensen if (save && !(nvme_feature_cap[fid] & NVME_FEAT_CAP_SAVE)) { 503688eea45cSKlaus Jensen return NVME_FID_NOT_SAVEABLE | NVME_DNR; 503788eea45cSKlaus Jensen } 503888eea45cSKlaus Jensen 503988eea45cSKlaus Jensen if (!nvme_feature_support[fid]) { 504088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 504188eea45cSKlaus Jensen } 504288eea45cSKlaus Jensen 504388eea45cSKlaus Jensen if (nvme_feature_cap[fid] & NVME_FEAT_CAP_NS) { 504488eea45cSKlaus Jensen if (nsid != NVME_NSID_BROADCAST) { 504588eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 504688eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 504788eea45cSKlaus Jensen } 504888eea45cSKlaus Jensen 504988eea45cSKlaus Jensen ns = nvme_ns(n, nsid); 505088eea45cSKlaus Jensen if (unlikely(!ns)) { 505188eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 505288eea45cSKlaus Jensen } 505388eea45cSKlaus Jensen } 505488eea45cSKlaus Jensen } else if (nsid && nsid != NVME_NSID_BROADCAST) { 505588eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 505688eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 505788eea45cSKlaus Jensen } 505888eea45cSKlaus Jensen 505988eea45cSKlaus Jensen return NVME_FEAT_NOT_NS_SPEC | NVME_DNR; 506088eea45cSKlaus Jensen } 506188eea45cSKlaus Jensen 506288eea45cSKlaus Jensen if (!(nvme_feature_cap[fid] & NVME_FEAT_CAP_CHANGE)) { 506388eea45cSKlaus Jensen return NVME_FEAT_NOT_CHANGEABLE | NVME_DNR; 506488eea45cSKlaus Jensen } 506588eea45cSKlaus Jensen 506688eea45cSKlaus Jensen switch (fid) { 506788eea45cSKlaus Jensen case NVME_TEMPERATURE_THRESHOLD: 506888eea45cSKlaus Jensen if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) { 506988eea45cSKlaus Jensen break; 507088eea45cSKlaus Jensen } 507188eea45cSKlaus Jensen 507288eea45cSKlaus Jensen switch (NVME_TEMP_THSEL(dw11)) { 507388eea45cSKlaus Jensen case NVME_TEMP_THSEL_OVER: 507488eea45cSKlaus Jensen n->features.temp_thresh_hi = NVME_TEMP_TMPTH(dw11); 507588eea45cSKlaus Jensen break; 507688eea45cSKlaus Jensen case NVME_TEMP_THSEL_UNDER: 507788eea45cSKlaus Jensen n->features.temp_thresh_low = NVME_TEMP_TMPTH(dw11); 507888eea45cSKlaus Jensen break; 507988eea45cSKlaus Jensen default: 508088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 508188eea45cSKlaus Jensen } 508288eea45cSKlaus Jensen 508388eea45cSKlaus Jensen if ((n->temperature >= n->features.temp_thresh_hi) || 508488eea45cSKlaus Jensen (n->temperature <= n->features.temp_thresh_low)) { 508588eea45cSKlaus Jensen nvme_smart_event(n, NVME_AER_INFO_SMART_TEMP_THRESH); 508688eea45cSKlaus Jensen } 508788eea45cSKlaus Jensen 508888eea45cSKlaus Jensen break; 508988eea45cSKlaus Jensen case NVME_ERROR_RECOVERY: 509088eea45cSKlaus Jensen if (nsid == NVME_NSID_BROADCAST) { 509188eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 509288eea45cSKlaus Jensen ns = nvme_ns(n, i); 509388eea45cSKlaus Jensen 509488eea45cSKlaus Jensen if (!ns) { 509588eea45cSKlaus Jensen continue; 509688eea45cSKlaus Jensen } 509788eea45cSKlaus Jensen 509888eea45cSKlaus Jensen if (NVME_ID_NS_NSFEAT_DULBE(ns->id_ns.nsfeat)) { 509988eea45cSKlaus Jensen ns->features.err_rec = dw11; 510088eea45cSKlaus Jensen } 510188eea45cSKlaus Jensen } 510288eea45cSKlaus Jensen 510388eea45cSKlaus Jensen break; 510488eea45cSKlaus Jensen } 510588eea45cSKlaus Jensen 510688eea45cSKlaus Jensen assert(ns); 510788eea45cSKlaus Jensen if (NVME_ID_NS_NSFEAT_DULBE(ns->id_ns.nsfeat)) { 510888eea45cSKlaus Jensen ns->features.err_rec = dw11; 510988eea45cSKlaus Jensen } 511088eea45cSKlaus Jensen break; 511188eea45cSKlaus Jensen case NVME_VOLATILE_WRITE_CACHE: 511288eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 511388eea45cSKlaus Jensen ns = nvme_ns(n, i); 511488eea45cSKlaus Jensen if (!ns) { 511588eea45cSKlaus Jensen continue; 511688eea45cSKlaus Jensen } 511788eea45cSKlaus Jensen 511888eea45cSKlaus Jensen if (!(dw11 & 0x1) && blk_enable_write_cache(ns->blkconf.blk)) { 511988eea45cSKlaus Jensen blk_flush(ns->blkconf.blk); 512088eea45cSKlaus Jensen } 512188eea45cSKlaus Jensen 512288eea45cSKlaus Jensen blk_set_enable_write_cache(ns->blkconf.blk, dw11 & 1); 512388eea45cSKlaus Jensen } 512488eea45cSKlaus Jensen 512588eea45cSKlaus Jensen break; 512688eea45cSKlaus Jensen 512788eea45cSKlaus Jensen case NVME_NUMBER_OF_QUEUES: 512888eea45cSKlaus Jensen if (n->qs_created) { 512988eea45cSKlaus Jensen return NVME_CMD_SEQ_ERROR | NVME_DNR; 513088eea45cSKlaus Jensen } 513188eea45cSKlaus Jensen 513288eea45cSKlaus Jensen /* 513388eea45cSKlaus Jensen * NVMe v1.3, Section 5.21.1.7: FFFFh is not an allowed value for NCQR 513488eea45cSKlaus Jensen * and NSQR. 513588eea45cSKlaus Jensen */ 513688eea45cSKlaus Jensen if ((dw11 & 0xffff) == 0xffff || ((dw11 >> 16) & 0xffff) == 0xffff) { 513788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 513888eea45cSKlaus Jensen } 513988eea45cSKlaus Jensen 514088eea45cSKlaus Jensen trace_pci_nvme_setfeat_numq((dw11 & 0xffff) + 1, 514188eea45cSKlaus Jensen ((dw11 >> 16) & 0xffff) + 1, 514288eea45cSKlaus Jensen n->params.max_ioqpairs, 514388eea45cSKlaus Jensen n->params.max_ioqpairs); 514488eea45cSKlaus Jensen req->cqe.result = cpu_to_le32((n->params.max_ioqpairs - 1) | 514588eea45cSKlaus Jensen ((n->params.max_ioqpairs - 1) << 16)); 514688eea45cSKlaus Jensen break; 514788eea45cSKlaus Jensen case NVME_ASYNCHRONOUS_EVENT_CONF: 514888eea45cSKlaus Jensen n->features.async_config = dw11; 514988eea45cSKlaus Jensen break; 515088eea45cSKlaus Jensen case NVME_TIMESTAMP: 515188eea45cSKlaus Jensen return nvme_set_feature_timestamp(n, req); 515288eea45cSKlaus Jensen case NVME_COMMAND_SET_PROFILE: 515388eea45cSKlaus Jensen if (dw11 & 0x1ff) { 515488eea45cSKlaus Jensen trace_pci_nvme_err_invalid_iocsci(dw11 & 0x1ff); 515588eea45cSKlaus Jensen return NVME_CMD_SET_CMB_REJECTED | NVME_DNR; 515688eea45cSKlaus Jensen } 515788eea45cSKlaus Jensen break; 515888eea45cSKlaus Jensen default: 515988eea45cSKlaus Jensen return NVME_FEAT_NOT_CHANGEABLE | NVME_DNR; 516088eea45cSKlaus Jensen } 516188eea45cSKlaus Jensen return NVME_SUCCESS; 516288eea45cSKlaus Jensen } 516388eea45cSKlaus Jensen 516488eea45cSKlaus Jensen static uint16_t nvme_aer(NvmeCtrl *n, NvmeRequest *req) 516588eea45cSKlaus Jensen { 516688eea45cSKlaus Jensen trace_pci_nvme_aer(nvme_cid(req)); 516788eea45cSKlaus Jensen 516888eea45cSKlaus Jensen if (n->outstanding_aers > n->params.aerl) { 516988eea45cSKlaus Jensen trace_pci_nvme_aer_aerl_exceeded(); 517088eea45cSKlaus Jensen return NVME_AER_LIMIT_EXCEEDED; 517188eea45cSKlaus Jensen } 517288eea45cSKlaus Jensen 517388eea45cSKlaus Jensen n->aer_reqs[n->outstanding_aers] = req; 517488eea45cSKlaus Jensen n->outstanding_aers++; 517588eea45cSKlaus Jensen 517688eea45cSKlaus Jensen if (!QTAILQ_EMPTY(&n->aer_queue)) { 517788eea45cSKlaus Jensen nvme_process_aers(n); 517888eea45cSKlaus Jensen } 517988eea45cSKlaus Jensen 518088eea45cSKlaus Jensen return NVME_NO_COMPLETE; 518188eea45cSKlaus Jensen } 518288eea45cSKlaus Jensen 518388eea45cSKlaus Jensen static void nvme_update_dmrsl(NvmeCtrl *n) 518488eea45cSKlaus Jensen { 518588eea45cSKlaus Jensen int nsid; 518688eea45cSKlaus Jensen 518788eea45cSKlaus Jensen for (nsid = 1; nsid <= NVME_MAX_NAMESPACES; nsid++) { 518888eea45cSKlaus Jensen NvmeNamespace *ns = nvme_ns(n, nsid); 518988eea45cSKlaus Jensen if (!ns) { 519088eea45cSKlaus Jensen continue; 519188eea45cSKlaus Jensen } 519288eea45cSKlaus Jensen 519388eea45cSKlaus Jensen n->dmrsl = MIN_NON_ZERO(n->dmrsl, 519488eea45cSKlaus Jensen BDRV_REQUEST_MAX_BYTES / nvme_l2b(ns, 1)); 519588eea45cSKlaus Jensen } 519688eea45cSKlaus Jensen } 519788eea45cSKlaus Jensen 519888eea45cSKlaus Jensen static void nvme_select_iocs_ns(NvmeCtrl *n, NvmeNamespace *ns) 519988eea45cSKlaus Jensen { 520049e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 520149e03457SKlaus Jensen 520288eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_none; 520388eea45cSKlaus Jensen switch (ns->csi) { 520488eea45cSKlaus Jensen case NVME_CSI_NVM: 520549e03457SKlaus Jensen if (NVME_CC_CSS(cc) != NVME_CC_CSS_ADMIN_ONLY) { 520688eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_nvm; 520788eea45cSKlaus Jensen } 520888eea45cSKlaus Jensen break; 520988eea45cSKlaus Jensen case NVME_CSI_ZONED: 521049e03457SKlaus Jensen if (NVME_CC_CSS(cc) == NVME_CC_CSS_CSI) { 521188eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_zoned; 521249e03457SKlaus Jensen } else if (NVME_CC_CSS(cc) == NVME_CC_CSS_NVM) { 521388eea45cSKlaus Jensen ns->iocs = nvme_cse_iocs_nvm; 521488eea45cSKlaus Jensen } 521588eea45cSKlaus Jensen break; 521688eea45cSKlaus Jensen } 521788eea45cSKlaus Jensen } 521888eea45cSKlaus Jensen 521988eea45cSKlaus Jensen static uint16_t nvme_ns_attachment(NvmeCtrl *n, NvmeRequest *req) 522088eea45cSKlaus Jensen { 522188eea45cSKlaus Jensen NvmeNamespace *ns; 522288eea45cSKlaus Jensen NvmeCtrl *ctrl; 522388eea45cSKlaus Jensen uint16_t list[NVME_CONTROLLER_LIST_SIZE] = {}; 522488eea45cSKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 522588eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 522607a3dfa7SNaveen Nagar uint8_t sel = dw10 & 0xf; 522788eea45cSKlaus Jensen uint16_t *nr_ids = &list[0]; 522888eea45cSKlaus Jensen uint16_t *ids = &list[1]; 522988eea45cSKlaus Jensen uint16_t ret; 523088eea45cSKlaus Jensen int i; 523188eea45cSKlaus Jensen 523288eea45cSKlaus Jensen trace_pci_nvme_ns_attachment(nvme_cid(req), dw10 & 0xf); 523388eea45cSKlaus Jensen 523488eea45cSKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 523588eea45cSKlaus Jensen return NVME_INVALID_NSID | NVME_DNR; 523688eea45cSKlaus Jensen } 523788eea45cSKlaus Jensen 523888eea45cSKlaus Jensen ns = nvme_subsys_ns(n->subsys, nsid); 523988eea45cSKlaus Jensen if (!ns) { 524088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 524188eea45cSKlaus Jensen } 524288eea45cSKlaus Jensen 524388eea45cSKlaus Jensen ret = nvme_h2c(n, (uint8_t *)list, 4096, req); 524488eea45cSKlaus Jensen if (ret) { 524588eea45cSKlaus Jensen return ret; 524688eea45cSKlaus Jensen } 524788eea45cSKlaus Jensen 524888eea45cSKlaus Jensen if (!*nr_ids) { 524988eea45cSKlaus Jensen return NVME_NS_CTRL_LIST_INVALID | NVME_DNR; 525088eea45cSKlaus Jensen } 525188eea45cSKlaus Jensen 525288eea45cSKlaus Jensen *nr_ids = MIN(*nr_ids, NVME_CONTROLLER_LIST_SIZE - 1); 525388eea45cSKlaus Jensen for (i = 0; i < *nr_ids; i++) { 525488eea45cSKlaus Jensen ctrl = nvme_subsys_ctrl(n->subsys, ids[i]); 525588eea45cSKlaus Jensen if (!ctrl) { 525688eea45cSKlaus Jensen return NVME_NS_CTRL_LIST_INVALID | NVME_DNR; 525788eea45cSKlaus Jensen } 525888eea45cSKlaus Jensen 525907a3dfa7SNaveen Nagar switch (sel) { 526007a3dfa7SNaveen Nagar case NVME_NS_ATTACHMENT_ATTACH: 526188eea45cSKlaus Jensen if (nvme_ns(ctrl, nsid)) { 526288eea45cSKlaus Jensen return NVME_NS_ALREADY_ATTACHED | NVME_DNR; 526388eea45cSKlaus Jensen } 526488eea45cSKlaus Jensen 526588eea45cSKlaus Jensen if (ns->attached && !ns->params.shared) { 526688eea45cSKlaus Jensen return NVME_NS_PRIVATE | NVME_DNR; 526788eea45cSKlaus Jensen } 526888eea45cSKlaus Jensen 526988eea45cSKlaus Jensen nvme_attach_ns(ctrl, ns); 527088eea45cSKlaus Jensen nvme_select_iocs_ns(ctrl, ns); 527107a3dfa7SNaveen Nagar 527207a3dfa7SNaveen Nagar break; 527307a3dfa7SNaveen Nagar 527407a3dfa7SNaveen Nagar case NVME_NS_ATTACHMENT_DETACH: 527588eea45cSKlaus Jensen if (!nvme_ns(ctrl, nsid)) { 527688eea45cSKlaus Jensen return NVME_NS_NOT_ATTACHED | NVME_DNR; 527788eea45cSKlaus Jensen } 527888eea45cSKlaus Jensen 527988eea45cSKlaus Jensen ctrl->namespaces[nsid] = NULL; 528088eea45cSKlaus Jensen ns->attached--; 528188eea45cSKlaus Jensen 528288eea45cSKlaus Jensen nvme_update_dmrsl(ctrl); 528307a3dfa7SNaveen Nagar 528407a3dfa7SNaveen Nagar break; 528507a3dfa7SNaveen Nagar 528607a3dfa7SNaveen Nagar default: 528707a3dfa7SNaveen Nagar return NVME_INVALID_FIELD | NVME_DNR; 528888eea45cSKlaus Jensen } 528988eea45cSKlaus Jensen 529088eea45cSKlaus Jensen /* 529188eea45cSKlaus Jensen * Add namespace id to the changed namespace id list for event clearing 529288eea45cSKlaus Jensen * via Get Log Page command. 529388eea45cSKlaus Jensen */ 529488eea45cSKlaus Jensen if (!test_and_set_bit(nsid, ctrl->changed_nsids)) { 529588eea45cSKlaus Jensen nvme_enqueue_event(ctrl, NVME_AER_TYPE_NOTICE, 529688eea45cSKlaus Jensen NVME_AER_INFO_NOTICE_NS_ATTR_CHANGED, 529788eea45cSKlaus Jensen NVME_LOG_CHANGED_NSLIST); 529888eea45cSKlaus Jensen } 529988eea45cSKlaus Jensen } 530088eea45cSKlaus Jensen 530188eea45cSKlaus Jensen return NVME_SUCCESS; 530288eea45cSKlaus Jensen } 530388eea45cSKlaus Jensen 53043bcf26d3SKlaus Jensen typedef struct NvmeFormatAIOCB { 53053bcf26d3SKlaus Jensen BlockAIOCB common; 53063bcf26d3SKlaus Jensen BlockAIOCB *aiocb; 53073bcf26d3SKlaus Jensen QEMUBH *bh; 53083bcf26d3SKlaus Jensen NvmeRequest *req; 53093bcf26d3SKlaus Jensen int ret; 531088eea45cSKlaus Jensen 53113bcf26d3SKlaus Jensen NvmeNamespace *ns; 53123bcf26d3SKlaus Jensen uint32_t nsid; 53133bcf26d3SKlaus Jensen bool broadcast; 53143bcf26d3SKlaus Jensen int64_t offset; 53153bcf26d3SKlaus Jensen } NvmeFormatAIOCB; 53163bcf26d3SKlaus Jensen 53173bcf26d3SKlaus Jensen static void nvme_format_bh(void *opaque); 53183bcf26d3SKlaus Jensen 53193bcf26d3SKlaus Jensen static void nvme_format_cancel(BlockAIOCB *aiocb) 53203bcf26d3SKlaus Jensen { 53213bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = container_of(aiocb, NvmeFormatAIOCB, common); 53223bcf26d3SKlaus Jensen 53233bcf26d3SKlaus Jensen if (iocb->aiocb) { 53243bcf26d3SKlaus Jensen blk_aio_cancel_async(iocb->aiocb); 53253bcf26d3SKlaus Jensen } 53263bcf26d3SKlaus Jensen } 53273bcf26d3SKlaus Jensen 53283bcf26d3SKlaus Jensen static const AIOCBInfo nvme_format_aiocb_info = { 53293bcf26d3SKlaus Jensen .aiocb_size = sizeof(NvmeFormatAIOCB), 53303bcf26d3SKlaus Jensen .cancel_async = nvme_format_cancel, 53313bcf26d3SKlaus Jensen .get_aio_context = nvme_get_aio_context, 53323bcf26d3SKlaus Jensen }; 53333bcf26d3SKlaus Jensen 53343bcf26d3SKlaus Jensen static void nvme_format_set(NvmeNamespace *ns, NvmeCmd *cmd) 53353bcf26d3SKlaus Jensen { 53363bcf26d3SKlaus Jensen uint32_t dw10 = le32_to_cpu(cmd->cdw10); 53373bcf26d3SKlaus Jensen uint8_t lbaf = dw10 & 0xf; 53383bcf26d3SKlaus Jensen uint8_t pi = (dw10 >> 5) & 0x7; 53393bcf26d3SKlaus Jensen uint8_t mset = (dw10 >> 4) & 0x1; 53403bcf26d3SKlaus Jensen uint8_t pil = (dw10 >> 8) & 0x1; 53413bcf26d3SKlaus Jensen 53423bcf26d3SKlaus Jensen trace_pci_nvme_format_set(ns->params.nsid, lbaf, mset, pi, pil); 53433bcf26d3SKlaus Jensen 53443bcf26d3SKlaus Jensen ns->id_ns.dps = (pil << 3) | pi; 53453bcf26d3SKlaus Jensen ns->id_ns.flbas = lbaf | (mset << 4); 53463bcf26d3SKlaus Jensen 53473bcf26d3SKlaus Jensen nvme_ns_init_format(ns); 53483bcf26d3SKlaus Jensen } 53493bcf26d3SKlaus Jensen 53503bcf26d3SKlaus Jensen static void nvme_format_ns_cb(void *opaque, int ret) 53513bcf26d3SKlaus Jensen { 53523bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = opaque; 53533bcf26d3SKlaus Jensen NvmeRequest *req = iocb->req; 53543bcf26d3SKlaus Jensen NvmeNamespace *ns = iocb->ns; 53553bcf26d3SKlaus Jensen int bytes; 53563bcf26d3SKlaus Jensen 53573bcf26d3SKlaus Jensen if (ret < 0) { 53583bcf26d3SKlaus Jensen iocb->ret = ret; 53593bcf26d3SKlaus Jensen goto done; 53603bcf26d3SKlaus Jensen } 53613bcf26d3SKlaus Jensen 53623bcf26d3SKlaus Jensen assert(ns); 53633bcf26d3SKlaus Jensen 53643bcf26d3SKlaus Jensen if (iocb->offset < ns->size) { 53653bcf26d3SKlaus Jensen bytes = MIN(BDRV_REQUEST_MAX_BYTES, ns->size - iocb->offset); 53663bcf26d3SKlaus Jensen 53673bcf26d3SKlaus Jensen iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, iocb->offset, 53683bcf26d3SKlaus Jensen bytes, BDRV_REQ_MAY_UNMAP, 53693bcf26d3SKlaus Jensen nvme_format_ns_cb, iocb); 53703bcf26d3SKlaus Jensen 53713bcf26d3SKlaus Jensen iocb->offset += bytes; 53723bcf26d3SKlaus Jensen return; 53733bcf26d3SKlaus Jensen } 53743bcf26d3SKlaus Jensen 53753bcf26d3SKlaus Jensen nvme_format_set(ns, &req->cmd); 53763bcf26d3SKlaus Jensen ns->status = 0x0; 53773bcf26d3SKlaus Jensen iocb->ns = NULL; 53783bcf26d3SKlaus Jensen iocb->offset = 0; 53793bcf26d3SKlaus Jensen 53803bcf26d3SKlaus Jensen done: 53813bcf26d3SKlaus Jensen iocb->aiocb = NULL; 53823bcf26d3SKlaus Jensen qemu_bh_schedule(iocb->bh); 53833bcf26d3SKlaus Jensen } 53843bcf26d3SKlaus Jensen 53853bcf26d3SKlaus Jensen static uint16_t nvme_format_check(NvmeNamespace *ns, uint8_t lbaf, uint8_t pi) 53863bcf26d3SKlaus Jensen { 538788eea45cSKlaus Jensen if (ns->params.zoned) { 538888eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 538988eea45cSKlaus Jensen } 539088eea45cSKlaus Jensen 539188eea45cSKlaus Jensen if (lbaf > ns->id_ns.nlbaf) { 539288eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 539388eea45cSKlaus Jensen } 539488eea45cSKlaus Jensen 53953bcf26d3SKlaus Jensen if (pi && (ns->id_ns.lbaf[lbaf].ms < sizeof(NvmeDifTuple))) { 539688eea45cSKlaus Jensen return NVME_INVALID_FORMAT | NVME_DNR; 539788eea45cSKlaus Jensen } 539888eea45cSKlaus Jensen 539988eea45cSKlaus Jensen if (pi && pi > NVME_ID_NS_DPS_TYPE_3) { 540088eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 540188eea45cSKlaus Jensen } 540288eea45cSKlaus Jensen 540388eea45cSKlaus Jensen return NVME_SUCCESS; 540488eea45cSKlaus Jensen } 540588eea45cSKlaus Jensen 54063bcf26d3SKlaus Jensen static void nvme_format_bh(void *opaque) 540788eea45cSKlaus Jensen { 54083bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb = opaque; 54093bcf26d3SKlaus Jensen NvmeRequest *req = iocb->req; 54103bcf26d3SKlaus Jensen NvmeCtrl *n = nvme_ctrl(req); 541188eea45cSKlaus Jensen uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); 541288eea45cSKlaus Jensen uint8_t lbaf = dw10 & 0xf; 541388eea45cSKlaus Jensen uint8_t pi = (dw10 >> 5) & 0x7; 541488eea45cSKlaus Jensen uint16_t status; 541588eea45cSKlaus Jensen int i; 541688eea45cSKlaus Jensen 54173bcf26d3SKlaus Jensen if (iocb->ret < 0) { 54183bcf26d3SKlaus Jensen goto done; 541988eea45cSKlaus Jensen } 542088eea45cSKlaus Jensen 54213bcf26d3SKlaus Jensen if (iocb->broadcast) { 54223bcf26d3SKlaus Jensen for (i = iocb->nsid + 1; i <= NVME_MAX_NAMESPACES; i++) { 54233bcf26d3SKlaus Jensen iocb->ns = nvme_ns(n, i); 54243bcf26d3SKlaus Jensen if (iocb->ns) { 54253bcf26d3SKlaus Jensen iocb->nsid = i; 542688eea45cSKlaus Jensen break; 542788eea45cSKlaus Jensen } 542888eea45cSKlaus Jensen } 542988eea45cSKlaus Jensen } 543088eea45cSKlaus Jensen 54313bcf26d3SKlaus Jensen if (!iocb->ns) { 54323bcf26d3SKlaus Jensen goto done; 543388eea45cSKlaus Jensen } 543488eea45cSKlaus Jensen 54353bcf26d3SKlaus Jensen status = nvme_format_check(iocb->ns, lbaf, pi); 54363bcf26d3SKlaus Jensen if (status) { 54373bcf26d3SKlaus Jensen req->status = status; 54383bcf26d3SKlaus Jensen goto done; 54393bcf26d3SKlaus Jensen } 54403bcf26d3SKlaus Jensen 54413bcf26d3SKlaus Jensen iocb->ns->status = NVME_FORMAT_IN_PROGRESS; 54423bcf26d3SKlaus Jensen nvme_format_ns_cb(iocb, 0); 54433bcf26d3SKlaus Jensen return; 54443bcf26d3SKlaus Jensen 54453bcf26d3SKlaus Jensen done: 54463bcf26d3SKlaus Jensen qemu_bh_delete(iocb->bh); 54473bcf26d3SKlaus Jensen iocb->bh = NULL; 54483bcf26d3SKlaus Jensen 54493bcf26d3SKlaus Jensen iocb->common.cb(iocb->common.opaque, iocb->ret); 54503bcf26d3SKlaus Jensen 54513bcf26d3SKlaus Jensen qemu_aio_unref(iocb); 54523bcf26d3SKlaus Jensen } 54533bcf26d3SKlaus Jensen 54543bcf26d3SKlaus Jensen static uint16_t nvme_format(NvmeCtrl *n, NvmeRequest *req) 54553bcf26d3SKlaus Jensen { 54563bcf26d3SKlaus Jensen NvmeFormatAIOCB *iocb; 54573bcf26d3SKlaus Jensen uint32_t nsid = le32_to_cpu(req->cmd.nsid); 54583bcf26d3SKlaus Jensen uint16_t status; 54593bcf26d3SKlaus Jensen 54603bcf26d3SKlaus Jensen iocb = qemu_aio_get(&nvme_format_aiocb_info, NULL, nvme_misc_cb, req); 54613bcf26d3SKlaus Jensen 54623bcf26d3SKlaus Jensen iocb->req = req; 54633bcf26d3SKlaus Jensen iocb->bh = qemu_bh_new(nvme_format_bh, iocb); 54643bcf26d3SKlaus Jensen iocb->ret = 0; 54653bcf26d3SKlaus Jensen iocb->ns = NULL; 54663bcf26d3SKlaus Jensen iocb->nsid = 0; 54673bcf26d3SKlaus Jensen iocb->broadcast = (nsid == NVME_NSID_BROADCAST); 54683bcf26d3SKlaus Jensen iocb->offset = 0; 54693bcf26d3SKlaus Jensen 54703bcf26d3SKlaus Jensen if (!iocb->broadcast) { 54713bcf26d3SKlaus Jensen if (!nvme_nsid_valid(n, nsid)) { 54723bcf26d3SKlaus Jensen status = NVME_INVALID_NSID | NVME_DNR; 54733bcf26d3SKlaus Jensen goto out; 54743bcf26d3SKlaus Jensen } 54753bcf26d3SKlaus Jensen 54763bcf26d3SKlaus Jensen iocb->ns = nvme_ns(n, nsid); 54773bcf26d3SKlaus Jensen if (!iocb->ns) { 54783bcf26d3SKlaus Jensen status = NVME_INVALID_FIELD | NVME_DNR; 54793bcf26d3SKlaus Jensen goto out; 54803bcf26d3SKlaus Jensen } 54813bcf26d3SKlaus Jensen } 54823bcf26d3SKlaus Jensen 54833bcf26d3SKlaus Jensen req->aiocb = &iocb->common; 54843bcf26d3SKlaus Jensen qemu_bh_schedule(iocb->bh); 54853bcf26d3SKlaus Jensen 54863bcf26d3SKlaus Jensen return NVME_NO_COMPLETE; 54873bcf26d3SKlaus Jensen 54883bcf26d3SKlaus Jensen out: 54893bcf26d3SKlaus Jensen qemu_bh_delete(iocb->bh); 54903bcf26d3SKlaus Jensen iocb->bh = NULL; 54913bcf26d3SKlaus Jensen qemu_aio_unref(iocb); 54923bcf26d3SKlaus Jensen return status; 549388eea45cSKlaus Jensen } 549488eea45cSKlaus Jensen 549588eea45cSKlaus Jensen static uint16_t nvme_admin_cmd(NvmeCtrl *n, NvmeRequest *req) 549688eea45cSKlaus Jensen { 549788eea45cSKlaus Jensen trace_pci_nvme_admin_cmd(nvme_cid(req), nvme_sqid(req), req->cmd.opcode, 549888eea45cSKlaus Jensen nvme_adm_opc_str(req->cmd.opcode)); 549988eea45cSKlaus Jensen 550088eea45cSKlaus Jensen if (!(nvme_cse_acs[req->cmd.opcode] & NVME_CMD_EFF_CSUPP)) { 550188eea45cSKlaus Jensen trace_pci_nvme_err_invalid_admin_opc(req->cmd.opcode); 550288eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 550388eea45cSKlaus Jensen } 550488eea45cSKlaus Jensen 550588eea45cSKlaus Jensen /* SGLs shall not be used for Admin commands in NVMe over PCIe */ 550688eea45cSKlaus Jensen if (NVME_CMD_FLAGS_PSDT(req->cmd.flags) != NVME_PSDT_PRP) { 550788eea45cSKlaus Jensen return NVME_INVALID_FIELD | NVME_DNR; 550888eea45cSKlaus Jensen } 550988eea45cSKlaus Jensen 5510c53a9a91SPankaj Raghav if (NVME_CMD_FLAGS_FUSE(req->cmd.flags)) { 5511c53a9a91SPankaj Raghav return NVME_INVALID_FIELD; 5512c53a9a91SPankaj Raghav } 5513c53a9a91SPankaj Raghav 551488eea45cSKlaus Jensen switch (req->cmd.opcode) { 551588eea45cSKlaus Jensen case NVME_ADM_CMD_DELETE_SQ: 551688eea45cSKlaus Jensen return nvme_del_sq(n, req); 551788eea45cSKlaus Jensen case NVME_ADM_CMD_CREATE_SQ: 551888eea45cSKlaus Jensen return nvme_create_sq(n, req); 551988eea45cSKlaus Jensen case NVME_ADM_CMD_GET_LOG_PAGE: 552088eea45cSKlaus Jensen return nvme_get_log(n, req); 552188eea45cSKlaus Jensen case NVME_ADM_CMD_DELETE_CQ: 552288eea45cSKlaus Jensen return nvme_del_cq(n, req); 552388eea45cSKlaus Jensen case NVME_ADM_CMD_CREATE_CQ: 552488eea45cSKlaus Jensen return nvme_create_cq(n, req); 552588eea45cSKlaus Jensen case NVME_ADM_CMD_IDENTIFY: 552688eea45cSKlaus Jensen return nvme_identify(n, req); 552788eea45cSKlaus Jensen case NVME_ADM_CMD_ABORT: 552888eea45cSKlaus Jensen return nvme_abort(n, req); 552988eea45cSKlaus Jensen case NVME_ADM_CMD_SET_FEATURES: 553088eea45cSKlaus Jensen return nvme_set_feature(n, req); 553188eea45cSKlaus Jensen case NVME_ADM_CMD_GET_FEATURES: 553288eea45cSKlaus Jensen return nvme_get_feature(n, req); 553388eea45cSKlaus Jensen case NVME_ADM_CMD_ASYNC_EV_REQ: 553488eea45cSKlaus Jensen return nvme_aer(n, req); 553588eea45cSKlaus Jensen case NVME_ADM_CMD_NS_ATTACHMENT: 553688eea45cSKlaus Jensen return nvme_ns_attachment(n, req); 553788eea45cSKlaus Jensen case NVME_ADM_CMD_FORMAT_NVM: 553888eea45cSKlaus Jensen return nvme_format(n, req); 553988eea45cSKlaus Jensen default: 554088eea45cSKlaus Jensen assert(false); 554188eea45cSKlaus Jensen } 554288eea45cSKlaus Jensen 554388eea45cSKlaus Jensen return NVME_INVALID_OPCODE | NVME_DNR; 554488eea45cSKlaus Jensen } 554588eea45cSKlaus Jensen 554688eea45cSKlaus Jensen static void nvme_process_sq(void *opaque) 554788eea45cSKlaus Jensen { 554888eea45cSKlaus Jensen NvmeSQueue *sq = opaque; 554988eea45cSKlaus Jensen NvmeCtrl *n = sq->ctrl; 555088eea45cSKlaus Jensen NvmeCQueue *cq = n->cq[sq->cqid]; 555188eea45cSKlaus Jensen 555288eea45cSKlaus Jensen uint16_t status; 555388eea45cSKlaus Jensen hwaddr addr; 555488eea45cSKlaus Jensen NvmeCmd cmd; 555588eea45cSKlaus Jensen NvmeRequest *req; 555688eea45cSKlaus Jensen 555788eea45cSKlaus Jensen while (!(nvme_sq_empty(sq) || QTAILQ_EMPTY(&sq->req_list))) { 555888eea45cSKlaus Jensen addr = sq->dma_addr + sq->head * n->sqe_size; 555988eea45cSKlaus Jensen if (nvme_addr_read(n, addr, (void *)&cmd, sizeof(cmd))) { 556088eea45cSKlaus Jensen trace_pci_nvme_err_addr_read(addr); 556188eea45cSKlaus Jensen trace_pci_nvme_err_cfs(); 556249e03457SKlaus Jensen stl_le_p(&n->bar.csts, NVME_CSTS_FAILED); 556388eea45cSKlaus Jensen break; 556488eea45cSKlaus Jensen } 556588eea45cSKlaus Jensen nvme_inc_sq_head(sq); 556688eea45cSKlaus Jensen 556788eea45cSKlaus Jensen req = QTAILQ_FIRST(&sq->req_list); 556888eea45cSKlaus Jensen QTAILQ_REMOVE(&sq->req_list, req, entry); 556988eea45cSKlaus Jensen QTAILQ_INSERT_TAIL(&sq->out_req_list, req, entry); 557088eea45cSKlaus Jensen nvme_req_clear(req); 557188eea45cSKlaus Jensen req->cqe.cid = cmd.cid; 557288eea45cSKlaus Jensen memcpy(&req->cmd, &cmd, sizeof(NvmeCmd)); 557388eea45cSKlaus Jensen 557488eea45cSKlaus Jensen status = sq->sqid ? nvme_io_cmd(n, req) : 557588eea45cSKlaus Jensen nvme_admin_cmd(n, req); 557688eea45cSKlaus Jensen if (status != NVME_NO_COMPLETE) { 557788eea45cSKlaus Jensen req->status = status; 557888eea45cSKlaus Jensen nvme_enqueue_req_completion(cq, req); 557988eea45cSKlaus Jensen } 558088eea45cSKlaus Jensen } 558188eea45cSKlaus Jensen } 558288eea45cSKlaus Jensen 558388eea45cSKlaus Jensen static void nvme_ctrl_reset(NvmeCtrl *n) 558488eea45cSKlaus Jensen { 558588eea45cSKlaus Jensen NvmeNamespace *ns; 558688eea45cSKlaus Jensen int i; 558788eea45cSKlaus Jensen 558888eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 558988eea45cSKlaus Jensen ns = nvme_ns(n, i); 559088eea45cSKlaus Jensen if (!ns) { 559188eea45cSKlaus Jensen continue; 559288eea45cSKlaus Jensen } 559388eea45cSKlaus Jensen 559488eea45cSKlaus Jensen nvme_ns_drain(ns); 559588eea45cSKlaus Jensen } 559688eea45cSKlaus Jensen 559788eea45cSKlaus Jensen for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 559888eea45cSKlaus Jensen if (n->sq[i] != NULL) { 559988eea45cSKlaus Jensen nvme_free_sq(n->sq[i], n); 560088eea45cSKlaus Jensen } 560188eea45cSKlaus Jensen } 560288eea45cSKlaus Jensen for (i = 0; i < n->params.max_ioqpairs + 1; i++) { 560388eea45cSKlaus Jensen if (n->cq[i] != NULL) { 560488eea45cSKlaus Jensen nvme_free_cq(n->cq[i], n); 560588eea45cSKlaus Jensen } 560688eea45cSKlaus Jensen } 560788eea45cSKlaus Jensen 560888eea45cSKlaus Jensen while (!QTAILQ_EMPTY(&n->aer_queue)) { 560988eea45cSKlaus Jensen NvmeAsyncEvent *event = QTAILQ_FIRST(&n->aer_queue); 561088eea45cSKlaus Jensen QTAILQ_REMOVE(&n->aer_queue, event, entry); 561188eea45cSKlaus Jensen g_free(event); 561288eea45cSKlaus Jensen } 561388eea45cSKlaus Jensen 561488eea45cSKlaus Jensen n->aer_queued = 0; 561588eea45cSKlaus Jensen n->outstanding_aers = 0; 561688eea45cSKlaus Jensen n->qs_created = false; 561788eea45cSKlaus Jensen } 561888eea45cSKlaus Jensen 561988eea45cSKlaus Jensen static void nvme_ctrl_shutdown(NvmeCtrl *n) 562088eea45cSKlaus Jensen { 562188eea45cSKlaus Jensen NvmeNamespace *ns; 562288eea45cSKlaus Jensen int i; 562388eea45cSKlaus Jensen 562488eea45cSKlaus Jensen if (n->pmr.dev) { 562588eea45cSKlaus Jensen memory_region_msync(&n->pmr.dev->mr, 0, n->pmr.dev->size); 562688eea45cSKlaus Jensen } 562788eea45cSKlaus Jensen 562888eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 562988eea45cSKlaus Jensen ns = nvme_ns(n, i); 563088eea45cSKlaus Jensen if (!ns) { 563188eea45cSKlaus Jensen continue; 563288eea45cSKlaus Jensen } 563388eea45cSKlaus Jensen 563488eea45cSKlaus Jensen nvme_ns_shutdown(ns); 563588eea45cSKlaus Jensen } 563688eea45cSKlaus Jensen } 563788eea45cSKlaus Jensen 563888eea45cSKlaus Jensen static void nvme_select_iocs(NvmeCtrl *n) 563988eea45cSKlaus Jensen { 564088eea45cSKlaus Jensen NvmeNamespace *ns; 564188eea45cSKlaus Jensen int i; 564288eea45cSKlaus Jensen 564388eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 564488eea45cSKlaus Jensen ns = nvme_ns(n, i); 564588eea45cSKlaus Jensen if (!ns) { 564688eea45cSKlaus Jensen continue; 564788eea45cSKlaus Jensen } 564888eea45cSKlaus Jensen 564988eea45cSKlaus Jensen nvme_select_iocs_ns(n, ns); 565088eea45cSKlaus Jensen } 565188eea45cSKlaus Jensen } 565288eea45cSKlaus Jensen 565388eea45cSKlaus Jensen static int nvme_start_ctrl(NvmeCtrl *n) 565488eea45cSKlaus Jensen { 565549e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 565649e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 565749e03457SKlaus Jensen uint32_t aqa = ldl_le_p(&n->bar.aqa); 565849e03457SKlaus Jensen uint64_t asq = ldq_le_p(&n->bar.asq); 565949e03457SKlaus Jensen uint64_t acq = ldq_le_p(&n->bar.acq); 566049e03457SKlaus Jensen uint32_t page_bits = NVME_CC_MPS(cc) + 12; 566188eea45cSKlaus Jensen uint32_t page_size = 1 << page_bits; 566288eea45cSKlaus Jensen 566388eea45cSKlaus Jensen if (unlikely(n->cq[0])) { 566488eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cq(); 566588eea45cSKlaus Jensen return -1; 566688eea45cSKlaus Jensen } 566788eea45cSKlaus Jensen if (unlikely(n->sq[0])) { 566888eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sq(); 566988eea45cSKlaus Jensen return -1; 567088eea45cSKlaus Jensen } 567149e03457SKlaus Jensen if (unlikely(asq & (page_size - 1))) { 567249e03457SKlaus Jensen trace_pci_nvme_err_startfail_asq_misaligned(asq); 567388eea45cSKlaus Jensen return -1; 567488eea45cSKlaus Jensen } 567549e03457SKlaus Jensen if (unlikely(acq & (page_size - 1))) { 567649e03457SKlaus Jensen trace_pci_nvme_err_startfail_acq_misaligned(acq); 567788eea45cSKlaus Jensen return -1; 567888eea45cSKlaus Jensen } 567949e03457SKlaus Jensen if (unlikely(!(NVME_CAP_CSS(cap) & (1 << NVME_CC_CSS(cc))))) { 568049e03457SKlaus Jensen trace_pci_nvme_err_startfail_css(NVME_CC_CSS(cc)); 568188eea45cSKlaus Jensen return -1; 568288eea45cSKlaus Jensen } 568349e03457SKlaus Jensen if (unlikely(NVME_CC_MPS(cc) < NVME_CAP_MPSMIN(cap))) { 568488eea45cSKlaus Jensen trace_pci_nvme_err_startfail_page_too_small( 568549e03457SKlaus Jensen NVME_CC_MPS(cc), 568649e03457SKlaus Jensen NVME_CAP_MPSMIN(cap)); 568788eea45cSKlaus Jensen return -1; 568888eea45cSKlaus Jensen } 568949e03457SKlaus Jensen if (unlikely(NVME_CC_MPS(cc) > 569049e03457SKlaus Jensen NVME_CAP_MPSMAX(cap))) { 569188eea45cSKlaus Jensen trace_pci_nvme_err_startfail_page_too_large( 569249e03457SKlaus Jensen NVME_CC_MPS(cc), 569349e03457SKlaus Jensen NVME_CAP_MPSMAX(cap)); 569488eea45cSKlaus Jensen return -1; 569588eea45cSKlaus Jensen } 569649e03457SKlaus Jensen if (unlikely(NVME_CC_IOCQES(cc) < 569788eea45cSKlaus Jensen NVME_CTRL_CQES_MIN(n->id_ctrl.cqes))) { 569888eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cqent_too_small( 569949e03457SKlaus Jensen NVME_CC_IOCQES(cc), 570049e03457SKlaus Jensen NVME_CTRL_CQES_MIN(cap)); 570188eea45cSKlaus Jensen return -1; 570288eea45cSKlaus Jensen } 570349e03457SKlaus Jensen if (unlikely(NVME_CC_IOCQES(cc) > 570488eea45cSKlaus Jensen NVME_CTRL_CQES_MAX(n->id_ctrl.cqes))) { 570588eea45cSKlaus Jensen trace_pci_nvme_err_startfail_cqent_too_large( 570649e03457SKlaus Jensen NVME_CC_IOCQES(cc), 570749e03457SKlaus Jensen NVME_CTRL_CQES_MAX(cap)); 570888eea45cSKlaus Jensen return -1; 570988eea45cSKlaus Jensen } 571049e03457SKlaus Jensen if (unlikely(NVME_CC_IOSQES(cc) < 571188eea45cSKlaus Jensen NVME_CTRL_SQES_MIN(n->id_ctrl.sqes))) { 571288eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sqent_too_small( 571349e03457SKlaus Jensen NVME_CC_IOSQES(cc), 571449e03457SKlaus Jensen NVME_CTRL_SQES_MIN(cap)); 571588eea45cSKlaus Jensen return -1; 571688eea45cSKlaus Jensen } 571749e03457SKlaus Jensen if (unlikely(NVME_CC_IOSQES(cc) > 571888eea45cSKlaus Jensen NVME_CTRL_SQES_MAX(n->id_ctrl.sqes))) { 571988eea45cSKlaus Jensen trace_pci_nvme_err_startfail_sqent_too_large( 572049e03457SKlaus Jensen NVME_CC_IOSQES(cc), 572149e03457SKlaus Jensen NVME_CTRL_SQES_MAX(cap)); 572288eea45cSKlaus Jensen return -1; 572388eea45cSKlaus Jensen } 572449e03457SKlaus Jensen if (unlikely(!NVME_AQA_ASQS(aqa))) { 572588eea45cSKlaus Jensen trace_pci_nvme_err_startfail_asqent_sz_zero(); 572688eea45cSKlaus Jensen return -1; 572788eea45cSKlaus Jensen } 572849e03457SKlaus Jensen if (unlikely(!NVME_AQA_ACQS(aqa))) { 572988eea45cSKlaus Jensen trace_pci_nvme_err_startfail_acqent_sz_zero(); 573088eea45cSKlaus Jensen return -1; 573188eea45cSKlaus Jensen } 573288eea45cSKlaus Jensen 573388eea45cSKlaus Jensen n->page_bits = page_bits; 573488eea45cSKlaus Jensen n->page_size = page_size; 573588eea45cSKlaus Jensen n->max_prp_ents = n->page_size / sizeof(uint64_t); 573649e03457SKlaus Jensen n->cqe_size = 1 << NVME_CC_IOCQES(cc); 573749e03457SKlaus Jensen n->sqe_size = 1 << NVME_CC_IOSQES(cc); 573849e03457SKlaus Jensen nvme_init_cq(&n->admin_cq, n, acq, 0, 0, NVME_AQA_ACQS(aqa) + 1, 1); 573949e03457SKlaus Jensen nvme_init_sq(&n->admin_sq, n, asq, 0, 0, NVME_AQA_ASQS(aqa) + 1); 574088eea45cSKlaus Jensen 574188eea45cSKlaus Jensen nvme_set_timestamp(n, 0ULL); 574288eea45cSKlaus Jensen 574388eea45cSKlaus Jensen QTAILQ_INIT(&n->aer_queue); 574488eea45cSKlaus Jensen 574588eea45cSKlaus Jensen nvme_select_iocs(n); 574688eea45cSKlaus Jensen 574788eea45cSKlaus Jensen return 0; 574888eea45cSKlaus Jensen } 574988eea45cSKlaus Jensen 575088eea45cSKlaus Jensen static void nvme_cmb_enable_regs(NvmeCtrl *n) 575188eea45cSKlaus Jensen { 575249e03457SKlaus Jensen uint32_t cmbloc = ldl_le_p(&n->bar.cmbloc); 575349e03457SKlaus Jensen uint32_t cmbsz = ldl_le_p(&n->bar.cmbsz); 575488eea45cSKlaus Jensen 575549e03457SKlaus Jensen NVME_CMBLOC_SET_CDPCILS(cmbloc, 1); 575649e03457SKlaus Jensen NVME_CMBLOC_SET_CDPMLS(cmbloc, 1); 575749e03457SKlaus Jensen NVME_CMBLOC_SET_BIR(cmbloc, NVME_CMB_BIR); 575849e03457SKlaus Jensen stl_le_p(&n->bar.cmbloc, cmbloc); 575949e03457SKlaus Jensen 576049e03457SKlaus Jensen NVME_CMBSZ_SET_SQS(cmbsz, 1); 576149e03457SKlaus Jensen NVME_CMBSZ_SET_CQS(cmbsz, 0); 576249e03457SKlaus Jensen NVME_CMBSZ_SET_LISTS(cmbsz, 1); 576349e03457SKlaus Jensen NVME_CMBSZ_SET_RDS(cmbsz, 1); 576449e03457SKlaus Jensen NVME_CMBSZ_SET_WDS(cmbsz, 1); 576549e03457SKlaus Jensen NVME_CMBSZ_SET_SZU(cmbsz, 2); /* MBs */ 576649e03457SKlaus Jensen NVME_CMBSZ_SET_SZ(cmbsz, n->params.cmb_size_mb); 576749e03457SKlaus Jensen stl_le_p(&n->bar.cmbsz, cmbsz); 576888eea45cSKlaus Jensen } 576988eea45cSKlaus Jensen 577088eea45cSKlaus Jensen static void nvme_write_bar(NvmeCtrl *n, hwaddr offset, uint64_t data, 577188eea45cSKlaus Jensen unsigned size) 577288eea45cSKlaus Jensen { 577349e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 577449e03457SKlaus Jensen uint32_t cc = ldl_le_p(&n->bar.cc); 577549e03457SKlaus Jensen uint32_t intms = ldl_le_p(&n->bar.intms); 577649e03457SKlaus Jensen uint32_t csts = ldl_le_p(&n->bar.csts); 577749e03457SKlaus Jensen uint32_t pmrsts = ldl_le_p(&n->bar.pmrsts); 577849e03457SKlaus Jensen 577988eea45cSKlaus Jensen if (unlikely(offset & (sizeof(uint32_t) - 1))) { 578088eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_misaligned32, 578188eea45cSKlaus Jensen "MMIO write not 32-bit aligned," 578288eea45cSKlaus Jensen " offset=0x%"PRIx64"", offset); 578388eea45cSKlaus Jensen /* should be ignored, fall through for now */ 578488eea45cSKlaus Jensen } 578588eea45cSKlaus Jensen 578688eea45cSKlaus Jensen if (unlikely(size < sizeof(uint32_t))) { 578788eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_toosmall, 578888eea45cSKlaus Jensen "MMIO write smaller than 32-bits," 578988eea45cSKlaus Jensen " offset=0x%"PRIx64", size=%u", 579088eea45cSKlaus Jensen offset, size); 579188eea45cSKlaus Jensen /* should be ignored, fall through for now */ 579288eea45cSKlaus Jensen } 579388eea45cSKlaus Jensen 579488eea45cSKlaus Jensen switch (offset) { 5795a316aa50SKlaus Jensen case NVME_REG_INTMS: 579688eea45cSKlaus Jensen if (unlikely(msix_enabled(&(n->parent_obj)))) { 579788eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_intmask_with_msix, 579888eea45cSKlaus Jensen "undefined access to interrupt mask set" 579988eea45cSKlaus Jensen " when MSI-X is enabled"); 580088eea45cSKlaus Jensen /* should be ignored, fall through for now */ 580188eea45cSKlaus Jensen } 580249e03457SKlaus Jensen intms |= data; 580349e03457SKlaus Jensen stl_le_p(&n->bar.intms, intms); 580488eea45cSKlaus Jensen n->bar.intmc = n->bar.intms; 580549e03457SKlaus Jensen trace_pci_nvme_mmio_intm_set(data & 0xffffffff, intms); 580688eea45cSKlaus Jensen nvme_irq_check(n); 580788eea45cSKlaus Jensen break; 5808a316aa50SKlaus Jensen case NVME_REG_INTMC: 580988eea45cSKlaus Jensen if (unlikely(msix_enabled(&(n->parent_obj)))) { 581088eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_intmask_with_msix, 581188eea45cSKlaus Jensen "undefined access to interrupt mask clr" 581288eea45cSKlaus Jensen " when MSI-X is enabled"); 581388eea45cSKlaus Jensen /* should be ignored, fall through for now */ 581488eea45cSKlaus Jensen } 581549e03457SKlaus Jensen intms &= ~data; 581649e03457SKlaus Jensen stl_le_p(&n->bar.intms, intms); 581788eea45cSKlaus Jensen n->bar.intmc = n->bar.intms; 581849e03457SKlaus Jensen trace_pci_nvme_mmio_intm_clr(data & 0xffffffff, intms); 581988eea45cSKlaus Jensen nvme_irq_check(n); 582088eea45cSKlaus Jensen break; 5821a316aa50SKlaus Jensen case NVME_REG_CC: 582288eea45cSKlaus Jensen trace_pci_nvme_mmio_cfg(data & 0xffffffff); 582349e03457SKlaus Jensen 582488eea45cSKlaus Jensen /* Windows first sends data, then sends enable bit */ 582549e03457SKlaus Jensen if (!NVME_CC_EN(data) && !NVME_CC_EN(cc) && 582649e03457SKlaus Jensen !NVME_CC_SHN(data) && !NVME_CC_SHN(cc)) 582788eea45cSKlaus Jensen { 582849e03457SKlaus Jensen cc = data; 582988eea45cSKlaus Jensen } 583088eea45cSKlaus Jensen 583149e03457SKlaus Jensen if (NVME_CC_EN(data) && !NVME_CC_EN(cc)) { 583249e03457SKlaus Jensen cc = data; 583349e03457SKlaus Jensen 583449e03457SKlaus Jensen /* flush CC since nvme_start_ctrl() needs the value */ 583549e03457SKlaus Jensen stl_le_p(&n->bar.cc, cc); 583688eea45cSKlaus Jensen if (unlikely(nvme_start_ctrl(n))) { 583788eea45cSKlaus Jensen trace_pci_nvme_err_startfail(); 583849e03457SKlaus Jensen csts = NVME_CSTS_FAILED; 583988eea45cSKlaus Jensen } else { 584088eea45cSKlaus Jensen trace_pci_nvme_mmio_start_success(); 584149e03457SKlaus Jensen csts = NVME_CSTS_READY; 584288eea45cSKlaus Jensen } 584349e03457SKlaus Jensen } else if (!NVME_CC_EN(data) && NVME_CC_EN(cc)) { 584488eea45cSKlaus Jensen trace_pci_nvme_mmio_stopped(); 584588eea45cSKlaus Jensen nvme_ctrl_reset(n); 584649e03457SKlaus Jensen cc = 0; 584749e03457SKlaus Jensen csts &= ~NVME_CSTS_READY; 584888eea45cSKlaus Jensen } 584949e03457SKlaus Jensen 585049e03457SKlaus Jensen if (NVME_CC_SHN(data) && !(NVME_CC_SHN(cc))) { 585188eea45cSKlaus Jensen trace_pci_nvme_mmio_shutdown_set(); 585288eea45cSKlaus Jensen nvme_ctrl_shutdown(n); 585349e03457SKlaus Jensen cc = data; 585449e03457SKlaus Jensen csts |= NVME_CSTS_SHST_COMPLETE; 585549e03457SKlaus Jensen } else if (!NVME_CC_SHN(data) && NVME_CC_SHN(cc)) { 585688eea45cSKlaus Jensen trace_pci_nvme_mmio_shutdown_cleared(); 585749e03457SKlaus Jensen csts &= ~NVME_CSTS_SHST_COMPLETE; 585849e03457SKlaus Jensen cc = data; 585988eea45cSKlaus Jensen } 586049e03457SKlaus Jensen 586149e03457SKlaus Jensen stl_le_p(&n->bar.cc, cc); 586249e03457SKlaus Jensen stl_le_p(&n->bar.csts, csts); 586349e03457SKlaus Jensen 586488eea45cSKlaus Jensen break; 5865a316aa50SKlaus Jensen case NVME_REG_CSTS: 586688eea45cSKlaus Jensen if (data & (1 << 4)) { 586788eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_ssreset_w1c_unsupported, 586888eea45cSKlaus Jensen "attempted to W1C CSTS.NSSRO" 586988eea45cSKlaus Jensen " but CAP.NSSRS is zero (not supported)"); 587088eea45cSKlaus Jensen } else if (data != 0) { 587188eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_ro_csts, 587288eea45cSKlaus Jensen "attempted to set a read only bit" 587388eea45cSKlaus Jensen " of controller status"); 587488eea45cSKlaus Jensen } 587588eea45cSKlaus Jensen break; 5876a316aa50SKlaus Jensen case NVME_REG_NSSR: 587788eea45cSKlaus Jensen if (data == 0x4e564d65) { 587888eea45cSKlaus Jensen trace_pci_nvme_ub_mmiowr_ssreset_unsupported(); 587988eea45cSKlaus Jensen } else { 588088eea45cSKlaus Jensen /* The spec says that writes of other values have no effect */ 588188eea45cSKlaus Jensen return; 588288eea45cSKlaus Jensen } 588388eea45cSKlaus Jensen break; 5884a316aa50SKlaus Jensen case NVME_REG_AQA: 588549e03457SKlaus Jensen stl_le_p(&n->bar.aqa, data); 588688eea45cSKlaus Jensen trace_pci_nvme_mmio_aqattr(data & 0xffffffff); 588788eea45cSKlaus Jensen break; 5888a316aa50SKlaus Jensen case NVME_REG_ASQ: 588949e03457SKlaus Jensen stn_le_p(&n->bar.asq, size, data); 589088eea45cSKlaus Jensen trace_pci_nvme_mmio_asqaddr(data); 589188eea45cSKlaus Jensen break; 5892a316aa50SKlaus Jensen case NVME_REG_ASQ + 4: 589349e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.asq + 4, data); 589449e03457SKlaus Jensen trace_pci_nvme_mmio_asqaddr_hi(data, ldq_le_p(&n->bar.asq)); 589588eea45cSKlaus Jensen break; 5896a316aa50SKlaus Jensen case NVME_REG_ACQ: 589788eea45cSKlaus Jensen trace_pci_nvme_mmio_acqaddr(data); 589849e03457SKlaus Jensen stn_le_p(&n->bar.acq, size, data); 589988eea45cSKlaus Jensen break; 5900a316aa50SKlaus Jensen case NVME_REG_ACQ + 4: 590149e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.acq + 4, data); 590249e03457SKlaus Jensen trace_pci_nvme_mmio_acqaddr_hi(data, ldq_le_p(&n->bar.acq)); 590388eea45cSKlaus Jensen break; 5904a316aa50SKlaus Jensen case NVME_REG_CMBLOC: 590588eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_cmbloc_reserved, 590688eea45cSKlaus Jensen "invalid write to reserved CMBLOC" 590788eea45cSKlaus Jensen " when CMBSZ is zero, ignored"); 590888eea45cSKlaus Jensen return; 5909a316aa50SKlaus Jensen case NVME_REG_CMBSZ: 591088eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_cmbsz_readonly, 591188eea45cSKlaus Jensen "invalid write to read only CMBSZ, ignored"); 591288eea45cSKlaus Jensen return; 5913a316aa50SKlaus Jensen case NVME_REG_CMBMSC: 591449e03457SKlaus Jensen if (!NVME_CAP_CMBS(cap)) { 591588eea45cSKlaus Jensen return; 591688eea45cSKlaus Jensen } 591788eea45cSKlaus Jensen 591849e03457SKlaus Jensen stn_le_p(&n->bar.cmbmsc, size, data); 591988eea45cSKlaus Jensen n->cmb.cmse = false; 592088eea45cSKlaus Jensen 592188eea45cSKlaus Jensen if (NVME_CMBMSC_CRE(data)) { 592288eea45cSKlaus Jensen nvme_cmb_enable_regs(n); 592388eea45cSKlaus Jensen 592488eea45cSKlaus Jensen if (NVME_CMBMSC_CMSE(data)) { 592549e03457SKlaus Jensen uint64_t cmbmsc = ldq_le_p(&n->bar.cmbmsc); 592649e03457SKlaus Jensen hwaddr cba = NVME_CMBMSC_CBA(cmbmsc) << CMBMSC_CBA_SHIFT; 592788eea45cSKlaus Jensen if (cba + int128_get64(n->cmb.mem.size) < cba) { 592849e03457SKlaus Jensen uint32_t cmbsts = ldl_le_p(&n->bar.cmbsts); 592949e03457SKlaus Jensen NVME_CMBSTS_SET_CBAI(cmbsts, 1); 593049e03457SKlaus Jensen stl_le_p(&n->bar.cmbsts, cmbsts); 593188eea45cSKlaus Jensen return; 593288eea45cSKlaus Jensen } 593388eea45cSKlaus Jensen 593488eea45cSKlaus Jensen n->cmb.cba = cba; 593588eea45cSKlaus Jensen n->cmb.cmse = true; 593688eea45cSKlaus Jensen } 593788eea45cSKlaus Jensen } else { 593888eea45cSKlaus Jensen n->bar.cmbsz = 0; 593988eea45cSKlaus Jensen n->bar.cmbloc = 0; 594088eea45cSKlaus Jensen } 594188eea45cSKlaus Jensen 594288eea45cSKlaus Jensen return; 5943a316aa50SKlaus Jensen case NVME_REG_CMBMSC + 4: 594449e03457SKlaus Jensen stl_le_p((uint8_t *)&n->bar.cmbmsc + 4, data); 594588eea45cSKlaus Jensen return; 594688eea45cSKlaus Jensen 5947a316aa50SKlaus Jensen case NVME_REG_PMRCAP: 594888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrcap_readonly, 594988eea45cSKlaus Jensen "invalid write to PMRCAP register, ignored"); 595088eea45cSKlaus Jensen return; 5951a316aa50SKlaus Jensen case NVME_REG_PMRCTL: 595249e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 59532b02aabcSKlaus Jensen return; 59542b02aabcSKlaus Jensen } 59552b02aabcSKlaus Jensen 595649e03457SKlaus Jensen stl_le_p(&n->bar.pmrctl, data); 595788eea45cSKlaus Jensen if (NVME_PMRCTL_EN(data)) { 595888eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, true); 595949e03457SKlaus Jensen pmrsts = 0; 596088eea45cSKlaus Jensen } else { 596188eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, false); 596249e03457SKlaus Jensen NVME_PMRSTS_SET_NRDY(pmrsts, 1); 596388eea45cSKlaus Jensen n->pmr.cmse = false; 596488eea45cSKlaus Jensen } 596549e03457SKlaus Jensen stl_le_p(&n->bar.pmrsts, pmrsts); 596688eea45cSKlaus Jensen return; 5967a316aa50SKlaus Jensen case NVME_REG_PMRSTS: 596888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrsts_readonly, 596988eea45cSKlaus Jensen "invalid write to PMRSTS register, ignored"); 597088eea45cSKlaus Jensen return; 5971a316aa50SKlaus Jensen case NVME_REG_PMREBS: 597288eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrebs_readonly, 597388eea45cSKlaus Jensen "invalid write to PMREBS register, ignored"); 597488eea45cSKlaus Jensen return; 5975a316aa50SKlaus Jensen case NVME_REG_PMRSWTP: 597688eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrswtp_readonly, 597788eea45cSKlaus Jensen "invalid write to PMRSWTP register, ignored"); 597888eea45cSKlaus Jensen return; 5979a316aa50SKlaus Jensen case NVME_REG_PMRMSCL: 598049e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 598188eea45cSKlaus Jensen return; 598288eea45cSKlaus Jensen } 598388eea45cSKlaus Jensen 598449e03457SKlaus Jensen stl_le_p(&n->bar.pmrmscl, data); 598588eea45cSKlaus Jensen n->pmr.cmse = false; 598688eea45cSKlaus Jensen 598749e03457SKlaus Jensen if (NVME_PMRMSCL_CMSE(data)) { 598849e03457SKlaus Jensen uint64_t pmrmscu = ldl_le_p(&n->bar.pmrmscu); 598949e03457SKlaus Jensen hwaddr cba = pmrmscu << 32 | 599049e03457SKlaus Jensen (NVME_PMRMSCL_CBA(data) << PMRMSCL_CBA_SHIFT); 599188eea45cSKlaus Jensen if (cba + int128_get64(n->pmr.dev->mr.size) < cba) { 599249e03457SKlaus Jensen NVME_PMRSTS_SET_CBAI(pmrsts, 1); 599349e03457SKlaus Jensen stl_le_p(&n->bar.pmrsts, pmrsts); 599488eea45cSKlaus Jensen return; 599588eea45cSKlaus Jensen } 599688eea45cSKlaus Jensen 599788eea45cSKlaus Jensen n->pmr.cmse = true; 599888eea45cSKlaus Jensen n->pmr.cba = cba; 599988eea45cSKlaus Jensen } 600088eea45cSKlaus Jensen 600188eea45cSKlaus Jensen return; 6002a316aa50SKlaus Jensen case NVME_REG_PMRMSCU: 600349e03457SKlaus Jensen if (!NVME_CAP_PMRS(cap)) { 600488eea45cSKlaus Jensen return; 600588eea45cSKlaus Jensen } 600688eea45cSKlaus Jensen 600749e03457SKlaus Jensen stl_le_p(&n->bar.pmrmscu, data); 600888eea45cSKlaus Jensen return; 600988eea45cSKlaus Jensen default: 601088eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiowr_invalid, 601188eea45cSKlaus Jensen "invalid MMIO write," 601288eea45cSKlaus Jensen " offset=0x%"PRIx64", data=%"PRIx64"", 601388eea45cSKlaus Jensen offset, data); 601488eea45cSKlaus Jensen break; 601588eea45cSKlaus Jensen } 601688eea45cSKlaus Jensen } 601788eea45cSKlaus Jensen 601888eea45cSKlaus Jensen static uint64_t nvme_mmio_read(void *opaque, hwaddr addr, unsigned size) 601988eea45cSKlaus Jensen { 602088eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 602188eea45cSKlaus Jensen uint8_t *ptr = (uint8_t *)&n->bar; 602288eea45cSKlaus Jensen 602388eea45cSKlaus Jensen trace_pci_nvme_mmio_read(addr, size); 602488eea45cSKlaus Jensen 602588eea45cSKlaus Jensen if (unlikely(addr & (sizeof(uint32_t) - 1))) { 602688eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_misaligned32, 602788eea45cSKlaus Jensen "MMIO read not 32-bit aligned," 602888eea45cSKlaus Jensen " offset=0x%"PRIx64"", addr); 602988eea45cSKlaus Jensen /* should RAZ, fall through for now */ 603088eea45cSKlaus Jensen } else if (unlikely(size < sizeof(uint32_t))) { 603188eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_toosmall, 603288eea45cSKlaus Jensen "MMIO read smaller than 32-bits," 603388eea45cSKlaus Jensen " offset=0x%"PRIx64"", addr); 603488eea45cSKlaus Jensen /* should RAZ, fall through for now */ 603588eea45cSKlaus Jensen } 603688eea45cSKlaus Jensen 60375029de44SKlaus Jensen if (addr > sizeof(n->bar) - size) { 60385029de44SKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_mmiord_invalid_ofs, 60395029de44SKlaus Jensen "MMIO read beyond last register," 60405029de44SKlaus Jensen " offset=0x%"PRIx64", returning 0", addr); 60415029de44SKlaus Jensen 60425029de44SKlaus Jensen return 0; 60435029de44SKlaus Jensen } 60445029de44SKlaus Jensen 604588eea45cSKlaus Jensen /* 604688eea45cSKlaus Jensen * When PMRWBM bit 1 is set then read from 604788eea45cSKlaus Jensen * from PMRSTS should ensure prior writes 604888eea45cSKlaus Jensen * made it to persistent media 604988eea45cSKlaus Jensen */ 6050a316aa50SKlaus Jensen if (addr == NVME_REG_PMRSTS && 605149e03457SKlaus Jensen (NVME_PMRCAP_PMRWBM(ldl_le_p(&n->bar.pmrcap)) & 0x02)) { 605288eea45cSKlaus Jensen memory_region_msync(&n->pmr.dev->mr, 0, n->pmr.dev->size); 605388eea45cSKlaus Jensen } 60545029de44SKlaus Jensen 605549e03457SKlaus Jensen return ldn_le_p(ptr + addr, size); 605688eea45cSKlaus Jensen } 605788eea45cSKlaus Jensen 605888eea45cSKlaus Jensen static void nvme_process_db(NvmeCtrl *n, hwaddr addr, int val) 605988eea45cSKlaus Jensen { 606088eea45cSKlaus Jensen uint32_t qid; 606188eea45cSKlaus Jensen 606288eea45cSKlaus Jensen if (unlikely(addr & ((1 << 2) - 1))) { 606388eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_misaligned, 606488eea45cSKlaus Jensen "doorbell write not 32-bit aligned," 606588eea45cSKlaus Jensen " offset=0x%"PRIx64", ignoring", addr); 606688eea45cSKlaus Jensen return; 606788eea45cSKlaus Jensen } 606888eea45cSKlaus Jensen 606988eea45cSKlaus Jensen if (((addr - 0x1000) >> 2) & 1) { 607088eea45cSKlaus Jensen /* Completion queue doorbell write */ 607188eea45cSKlaus Jensen 607288eea45cSKlaus Jensen uint16_t new_head = val & 0xffff; 607388eea45cSKlaus Jensen int start_sqs; 607488eea45cSKlaus Jensen NvmeCQueue *cq; 607588eea45cSKlaus Jensen 607688eea45cSKlaus Jensen qid = (addr - (0x1000 + (1 << 2))) >> 3; 607788eea45cSKlaus Jensen if (unlikely(nvme_check_cqid(n, qid))) { 607888eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_cq, 607988eea45cSKlaus Jensen "completion queue doorbell write" 608088eea45cSKlaus Jensen " for nonexistent queue," 608188eea45cSKlaus Jensen " sqid=%"PRIu32", ignoring", qid); 608288eea45cSKlaus Jensen 608388eea45cSKlaus Jensen /* 608488eea45cSKlaus Jensen * NVM Express v1.3d, Section 4.1 state: "If host software writes 608588eea45cSKlaus Jensen * an invalid value to the Submission Queue Tail Doorbell or 608688eea45cSKlaus Jensen * Completion Queue Head Doorbell regiter and an Asynchronous Event 608788eea45cSKlaus Jensen * Request command is outstanding, then an asynchronous event is 608888eea45cSKlaus Jensen * posted to the Admin Completion Queue with a status code of 608988eea45cSKlaus Jensen * Invalid Doorbell Write Value." 609088eea45cSKlaus Jensen * 609188eea45cSKlaus Jensen * Also note that the spec includes the "Invalid Doorbell Register" 609288eea45cSKlaus Jensen * status code, but nowhere does it specify when to use it. 609388eea45cSKlaus Jensen * However, it seems reasonable to use it here in a similar 609488eea45cSKlaus Jensen * fashion. 609588eea45cSKlaus Jensen */ 609688eea45cSKlaus Jensen if (n->outstanding_aers) { 609788eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 609888eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_REGISTER, 609988eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 610088eea45cSKlaus Jensen } 610188eea45cSKlaus Jensen 610288eea45cSKlaus Jensen return; 610388eea45cSKlaus Jensen } 610488eea45cSKlaus Jensen 610588eea45cSKlaus Jensen cq = n->cq[qid]; 610688eea45cSKlaus Jensen if (unlikely(new_head >= cq->size)) { 610788eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_cqhead, 610888eea45cSKlaus Jensen "completion queue doorbell write value" 610988eea45cSKlaus Jensen " beyond queue size, sqid=%"PRIu32"," 611088eea45cSKlaus Jensen " new_head=%"PRIu16", ignoring", 611188eea45cSKlaus Jensen qid, new_head); 611288eea45cSKlaus Jensen 611388eea45cSKlaus Jensen if (n->outstanding_aers) { 611488eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 611588eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_VALUE, 611688eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 611788eea45cSKlaus Jensen } 611888eea45cSKlaus Jensen 611988eea45cSKlaus Jensen return; 612088eea45cSKlaus Jensen } 612188eea45cSKlaus Jensen 612288eea45cSKlaus Jensen trace_pci_nvme_mmio_doorbell_cq(cq->cqid, new_head); 612388eea45cSKlaus Jensen 612488eea45cSKlaus Jensen start_sqs = nvme_cq_full(cq) ? 1 : 0; 612588eea45cSKlaus Jensen cq->head = new_head; 612688eea45cSKlaus Jensen if (start_sqs) { 612788eea45cSKlaus Jensen NvmeSQueue *sq; 612888eea45cSKlaus Jensen QTAILQ_FOREACH(sq, &cq->sq_list, entry) { 612988eea45cSKlaus Jensen timer_mod(sq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); 613088eea45cSKlaus Jensen } 613188eea45cSKlaus Jensen timer_mod(cq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); 613288eea45cSKlaus Jensen } 613388eea45cSKlaus Jensen 613488eea45cSKlaus Jensen if (cq->tail == cq->head) { 613583d7ed5cSKlaus Jensen if (cq->irq_enabled) { 613683d7ed5cSKlaus Jensen n->cq_pending--; 613783d7ed5cSKlaus Jensen } 613883d7ed5cSKlaus Jensen 613988eea45cSKlaus Jensen nvme_irq_deassert(n, cq); 614088eea45cSKlaus Jensen } 614188eea45cSKlaus Jensen } else { 614288eea45cSKlaus Jensen /* Submission queue doorbell write */ 614388eea45cSKlaus Jensen 614488eea45cSKlaus Jensen uint16_t new_tail = val & 0xffff; 614588eea45cSKlaus Jensen NvmeSQueue *sq; 614688eea45cSKlaus Jensen 614788eea45cSKlaus Jensen qid = (addr - 0x1000) >> 3; 614888eea45cSKlaus Jensen if (unlikely(nvme_check_sqid(n, qid))) { 614988eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_sq, 615088eea45cSKlaus Jensen "submission queue doorbell write" 615188eea45cSKlaus Jensen " for nonexistent queue," 615288eea45cSKlaus Jensen " sqid=%"PRIu32", ignoring", qid); 615388eea45cSKlaus Jensen 615488eea45cSKlaus Jensen if (n->outstanding_aers) { 615588eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 615688eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_REGISTER, 615788eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 615888eea45cSKlaus Jensen } 615988eea45cSKlaus Jensen 616088eea45cSKlaus Jensen return; 616188eea45cSKlaus Jensen } 616288eea45cSKlaus Jensen 616388eea45cSKlaus Jensen sq = n->sq[qid]; 616488eea45cSKlaus Jensen if (unlikely(new_tail >= sq->size)) { 616588eea45cSKlaus Jensen NVME_GUEST_ERR(pci_nvme_ub_db_wr_invalid_sqtail, 616688eea45cSKlaus Jensen "submission queue doorbell write value" 616788eea45cSKlaus Jensen " beyond queue size, sqid=%"PRIu32"," 616888eea45cSKlaus Jensen " new_tail=%"PRIu16", ignoring", 616988eea45cSKlaus Jensen qid, new_tail); 617088eea45cSKlaus Jensen 617188eea45cSKlaus Jensen if (n->outstanding_aers) { 617288eea45cSKlaus Jensen nvme_enqueue_event(n, NVME_AER_TYPE_ERROR, 617388eea45cSKlaus Jensen NVME_AER_INFO_ERR_INVALID_DB_VALUE, 617488eea45cSKlaus Jensen NVME_LOG_ERROR_INFO); 617588eea45cSKlaus Jensen } 617688eea45cSKlaus Jensen 617788eea45cSKlaus Jensen return; 617888eea45cSKlaus Jensen } 617988eea45cSKlaus Jensen 618088eea45cSKlaus Jensen trace_pci_nvme_mmio_doorbell_sq(sq->sqid, new_tail); 618188eea45cSKlaus Jensen 618288eea45cSKlaus Jensen sq->tail = new_tail; 618388eea45cSKlaus Jensen timer_mod(sq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); 618488eea45cSKlaus Jensen } 618588eea45cSKlaus Jensen } 618688eea45cSKlaus Jensen 618788eea45cSKlaus Jensen static void nvme_mmio_write(void *opaque, hwaddr addr, uint64_t data, 618888eea45cSKlaus Jensen unsigned size) 618988eea45cSKlaus Jensen { 619088eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 619188eea45cSKlaus Jensen 619288eea45cSKlaus Jensen trace_pci_nvme_mmio_write(addr, data, size); 619388eea45cSKlaus Jensen 619488eea45cSKlaus Jensen if (addr < sizeof(n->bar)) { 619588eea45cSKlaus Jensen nvme_write_bar(n, addr, data, size); 619688eea45cSKlaus Jensen } else { 619788eea45cSKlaus Jensen nvme_process_db(n, addr, data); 619888eea45cSKlaus Jensen } 619988eea45cSKlaus Jensen } 620088eea45cSKlaus Jensen 620188eea45cSKlaus Jensen static const MemoryRegionOps nvme_mmio_ops = { 620288eea45cSKlaus Jensen .read = nvme_mmio_read, 620388eea45cSKlaus Jensen .write = nvme_mmio_write, 620488eea45cSKlaus Jensen .endianness = DEVICE_LITTLE_ENDIAN, 620588eea45cSKlaus Jensen .impl = { 620688eea45cSKlaus Jensen .min_access_size = 2, 620788eea45cSKlaus Jensen .max_access_size = 8, 620888eea45cSKlaus Jensen }, 620988eea45cSKlaus Jensen }; 621088eea45cSKlaus Jensen 621188eea45cSKlaus Jensen static void nvme_cmb_write(void *opaque, hwaddr addr, uint64_t data, 621288eea45cSKlaus Jensen unsigned size) 621388eea45cSKlaus Jensen { 621488eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 621588eea45cSKlaus Jensen stn_le_p(&n->cmb.buf[addr], size, data); 621688eea45cSKlaus Jensen } 621788eea45cSKlaus Jensen 621888eea45cSKlaus Jensen static uint64_t nvme_cmb_read(void *opaque, hwaddr addr, unsigned size) 621988eea45cSKlaus Jensen { 622088eea45cSKlaus Jensen NvmeCtrl *n = (NvmeCtrl *)opaque; 622188eea45cSKlaus Jensen return ldn_le_p(&n->cmb.buf[addr], size); 622288eea45cSKlaus Jensen } 622388eea45cSKlaus Jensen 622488eea45cSKlaus Jensen static const MemoryRegionOps nvme_cmb_ops = { 622588eea45cSKlaus Jensen .read = nvme_cmb_read, 622688eea45cSKlaus Jensen .write = nvme_cmb_write, 622788eea45cSKlaus Jensen .endianness = DEVICE_LITTLE_ENDIAN, 622888eea45cSKlaus Jensen .impl = { 622988eea45cSKlaus Jensen .min_access_size = 1, 623088eea45cSKlaus Jensen .max_access_size = 8, 623188eea45cSKlaus Jensen }, 623288eea45cSKlaus Jensen }; 623388eea45cSKlaus Jensen 623488eea45cSKlaus Jensen static void nvme_check_constraints(NvmeCtrl *n, Error **errp) 623588eea45cSKlaus Jensen { 623688eea45cSKlaus Jensen NvmeParams *params = &n->params; 623788eea45cSKlaus Jensen 623888eea45cSKlaus Jensen if (params->num_queues) { 623988eea45cSKlaus Jensen warn_report("num_queues is deprecated; please use max_ioqpairs " 624088eea45cSKlaus Jensen "instead"); 624188eea45cSKlaus Jensen 624288eea45cSKlaus Jensen params->max_ioqpairs = params->num_queues - 1; 624388eea45cSKlaus Jensen } 624488eea45cSKlaus Jensen 624588eea45cSKlaus Jensen if (n->namespace.blkconf.blk && n->subsys) { 624688eea45cSKlaus Jensen error_setg(errp, "subsystem support is unavailable with legacy " 624788eea45cSKlaus Jensen "namespace ('drive' property)"); 624888eea45cSKlaus Jensen return; 624988eea45cSKlaus Jensen } 625088eea45cSKlaus Jensen 625188eea45cSKlaus Jensen if (params->max_ioqpairs < 1 || 625288eea45cSKlaus Jensen params->max_ioqpairs > NVME_MAX_IOQPAIRS) { 625388eea45cSKlaus Jensen error_setg(errp, "max_ioqpairs must be between 1 and %d", 625488eea45cSKlaus Jensen NVME_MAX_IOQPAIRS); 625588eea45cSKlaus Jensen return; 625688eea45cSKlaus Jensen } 625788eea45cSKlaus Jensen 625888eea45cSKlaus Jensen if (params->msix_qsize < 1 || 625988eea45cSKlaus Jensen params->msix_qsize > PCI_MSIX_FLAGS_QSIZE + 1) { 626088eea45cSKlaus Jensen error_setg(errp, "msix_qsize must be between 1 and %d", 626188eea45cSKlaus Jensen PCI_MSIX_FLAGS_QSIZE + 1); 626288eea45cSKlaus Jensen return; 626388eea45cSKlaus Jensen } 626488eea45cSKlaus Jensen 626588eea45cSKlaus Jensen if (!params->serial) { 626688eea45cSKlaus Jensen error_setg(errp, "serial property not set"); 626788eea45cSKlaus Jensen return; 626888eea45cSKlaus Jensen } 626988eea45cSKlaus Jensen 627088eea45cSKlaus Jensen if (n->pmr.dev) { 627188eea45cSKlaus Jensen if (host_memory_backend_is_mapped(n->pmr.dev)) { 627288eea45cSKlaus Jensen error_setg(errp, "can't use already busy memdev: %s", 627388eea45cSKlaus Jensen object_get_canonical_path_component(OBJECT(n->pmr.dev))); 627488eea45cSKlaus Jensen return; 627588eea45cSKlaus Jensen } 627688eea45cSKlaus Jensen 627788eea45cSKlaus Jensen if (!is_power_of_2(n->pmr.dev->size)) { 627888eea45cSKlaus Jensen error_setg(errp, "pmr backend size needs to be power of 2 in size"); 627988eea45cSKlaus Jensen return; 628088eea45cSKlaus Jensen } 628188eea45cSKlaus Jensen 628288eea45cSKlaus Jensen host_memory_backend_set_mapped(n->pmr.dev, true); 628388eea45cSKlaus Jensen } 628488eea45cSKlaus Jensen 628588eea45cSKlaus Jensen if (n->params.zasl > n->params.mdts) { 628688eea45cSKlaus Jensen error_setg(errp, "zoned.zasl (Zone Append Size Limit) must be less " 628788eea45cSKlaus Jensen "than or equal to mdts (Maximum Data Transfer Size)"); 628888eea45cSKlaus Jensen return; 628988eea45cSKlaus Jensen } 629088eea45cSKlaus Jensen 629188eea45cSKlaus Jensen if (!n->params.vsl) { 629288eea45cSKlaus Jensen error_setg(errp, "vsl must be non-zero"); 629388eea45cSKlaus Jensen return; 629488eea45cSKlaus Jensen } 629588eea45cSKlaus Jensen } 629688eea45cSKlaus Jensen 629788eea45cSKlaus Jensen static void nvme_init_state(NvmeCtrl *n) 629888eea45cSKlaus Jensen { 629988eea45cSKlaus Jensen /* add one to max_ioqpairs to account for the admin queue pair */ 630088eea45cSKlaus Jensen n->reg_size = pow2ceil(sizeof(NvmeBar) + 630188eea45cSKlaus Jensen 2 * (n->params.max_ioqpairs + 1) * NVME_DB_SIZE); 630288eea45cSKlaus Jensen n->sq = g_new0(NvmeSQueue *, n->params.max_ioqpairs + 1); 630388eea45cSKlaus Jensen n->cq = g_new0(NvmeCQueue *, n->params.max_ioqpairs + 1); 630488eea45cSKlaus Jensen n->temperature = NVME_TEMPERATURE; 630588eea45cSKlaus Jensen n->features.temp_thresh_hi = NVME_TEMPERATURE_WARNING; 630688eea45cSKlaus Jensen n->starttime_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); 630788eea45cSKlaus Jensen n->aer_reqs = g_new0(NvmeRequest *, n->params.aerl + 1); 630888eea45cSKlaus Jensen } 630988eea45cSKlaus Jensen 631088eea45cSKlaus Jensen static void nvme_init_cmb(NvmeCtrl *n, PCIDevice *pci_dev) 631188eea45cSKlaus Jensen { 631288eea45cSKlaus Jensen uint64_t cmb_size = n->params.cmb_size_mb * MiB; 631349e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 631488eea45cSKlaus Jensen 631588eea45cSKlaus Jensen n->cmb.buf = g_malloc0(cmb_size); 631688eea45cSKlaus Jensen memory_region_init_io(&n->cmb.mem, OBJECT(n), &nvme_cmb_ops, n, 631788eea45cSKlaus Jensen "nvme-cmb", cmb_size); 631888eea45cSKlaus Jensen pci_register_bar(pci_dev, NVME_CMB_BIR, 631988eea45cSKlaus Jensen PCI_BASE_ADDRESS_SPACE_MEMORY | 632088eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64 | 632188eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_PREFETCH, &n->cmb.mem); 632288eea45cSKlaus Jensen 632349e03457SKlaus Jensen NVME_CAP_SET_CMBS(cap, 1); 632449e03457SKlaus Jensen stq_le_p(&n->bar.cap, cap); 632588eea45cSKlaus Jensen 632688eea45cSKlaus Jensen if (n->params.legacy_cmb) { 632788eea45cSKlaus Jensen nvme_cmb_enable_regs(n); 632888eea45cSKlaus Jensen n->cmb.cmse = true; 632988eea45cSKlaus Jensen } 633088eea45cSKlaus Jensen } 633188eea45cSKlaus Jensen 633288eea45cSKlaus Jensen static void nvme_init_pmr(NvmeCtrl *n, PCIDevice *pci_dev) 633388eea45cSKlaus Jensen { 633449e03457SKlaus Jensen uint32_t pmrcap = ldl_le_p(&n->bar.pmrcap); 633588eea45cSKlaus Jensen 633649e03457SKlaus Jensen NVME_PMRCAP_SET_RDS(pmrcap, 1); 633749e03457SKlaus Jensen NVME_PMRCAP_SET_WDS(pmrcap, 1); 633849e03457SKlaus Jensen NVME_PMRCAP_SET_BIR(pmrcap, NVME_PMR_BIR); 633949e03457SKlaus Jensen /* Turn on bit 1 support */ 634049e03457SKlaus Jensen NVME_PMRCAP_SET_PMRWBM(pmrcap, 0x02); 634149e03457SKlaus Jensen NVME_PMRCAP_SET_CMSS(pmrcap, 1); 634249e03457SKlaus Jensen stl_le_p(&n->bar.pmrcap, pmrcap); 634349e03457SKlaus Jensen 634449e03457SKlaus Jensen pci_register_bar(pci_dev, NVME_PMR_BIR, 634588eea45cSKlaus Jensen PCI_BASE_ADDRESS_SPACE_MEMORY | 634688eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64 | 634788eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_PREFETCH, &n->pmr.dev->mr); 634888eea45cSKlaus Jensen 634988eea45cSKlaus Jensen memory_region_set_enabled(&n->pmr.dev->mr, false); 635088eea45cSKlaus Jensen } 635188eea45cSKlaus Jensen 635288eea45cSKlaus Jensen static int nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev, Error **errp) 635388eea45cSKlaus Jensen { 635488eea45cSKlaus Jensen uint8_t *pci_conf = pci_dev->config; 635588eea45cSKlaus Jensen uint64_t bar_size, msix_table_size, msix_pba_size; 635688eea45cSKlaus Jensen unsigned msix_table_offset, msix_pba_offset; 635788eea45cSKlaus Jensen int ret; 635888eea45cSKlaus Jensen 635988eea45cSKlaus Jensen Error *err = NULL; 636088eea45cSKlaus Jensen 636188eea45cSKlaus Jensen pci_conf[PCI_INTERRUPT_PIN] = 1; 636288eea45cSKlaus Jensen pci_config_set_prog_interface(pci_conf, 0x2); 636388eea45cSKlaus Jensen 636488eea45cSKlaus Jensen if (n->params.use_intel_id) { 636588eea45cSKlaus Jensen pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL); 636688eea45cSKlaus Jensen pci_config_set_device_id(pci_conf, 0x5845); 636788eea45cSKlaus Jensen } else { 636888eea45cSKlaus Jensen pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_REDHAT); 636988eea45cSKlaus Jensen pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_REDHAT_NVME); 637088eea45cSKlaus Jensen } 637188eea45cSKlaus Jensen 637288eea45cSKlaus Jensen pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_EXPRESS); 637388eea45cSKlaus Jensen pcie_endpoint_cap_init(pci_dev, 0x80); 637488eea45cSKlaus Jensen 637588eea45cSKlaus Jensen bar_size = QEMU_ALIGN_UP(n->reg_size, 4 * KiB); 637688eea45cSKlaus Jensen msix_table_offset = bar_size; 637788eea45cSKlaus Jensen msix_table_size = PCI_MSIX_ENTRY_SIZE * n->params.msix_qsize; 637888eea45cSKlaus Jensen 637988eea45cSKlaus Jensen bar_size += msix_table_size; 638088eea45cSKlaus Jensen bar_size = QEMU_ALIGN_UP(bar_size, 4 * KiB); 638188eea45cSKlaus Jensen msix_pba_offset = bar_size; 638288eea45cSKlaus Jensen msix_pba_size = QEMU_ALIGN_UP(n->params.msix_qsize, 64) / 8; 638388eea45cSKlaus Jensen 638488eea45cSKlaus Jensen bar_size += msix_pba_size; 638588eea45cSKlaus Jensen bar_size = pow2ceil(bar_size); 638688eea45cSKlaus Jensen 638788eea45cSKlaus Jensen memory_region_init(&n->bar0, OBJECT(n), "nvme-bar0", bar_size); 638888eea45cSKlaus Jensen memory_region_init_io(&n->iomem, OBJECT(n), &nvme_mmio_ops, n, "nvme", 638988eea45cSKlaus Jensen n->reg_size); 639088eea45cSKlaus Jensen memory_region_add_subregion(&n->bar0, 0, &n->iomem); 639188eea45cSKlaus Jensen 639288eea45cSKlaus Jensen pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY | 639388eea45cSKlaus Jensen PCI_BASE_ADDRESS_MEM_TYPE_64, &n->bar0); 639488eea45cSKlaus Jensen ret = msix_init(pci_dev, n->params.msix_qsize, 639588eea45cSKlaus Jensen &n->bar0, 0, msix_table_offset, 639688eea45cSKlaus Jensen &n->bar0, 0, msix_pba_offset, 0, &err); 639788eea45cSKlaus Jensen if (ret < 0) { 639888eea45cSKlaus Jensen if (ret == -ENOTSUP) { 639988eea45cSKlaus Jensen warn_report_err(err); 640088eea45cSKlaus Jensen } else { 640188eea45cSKlaus Jensen error_propagate(errp, err); 640288eea45cSKlaus Jensen return ret; 640388eea45cSKlaus Jensen } 640488eea45cSKlaus Jensen } 640588eea45cSKlaus Jensen 640688eea45cSKlaus Jensen if (n->params.cmb_size_mb) { 640788eea45cSKlaus Jensen nvme_init_cmb(n, pci_dev); 640888eea45cSKlaus Jensen } 640988eea45cSKlaus Jensen 641088eea45cSKlaus Jensen if (n->pmr.dev) { 641188eea45cSKlaus Jensen nvme_init_pmr(n, pci_dev); 641288eea45cSKlaus Jensen } 641388eea45cSKlaus Jensen 641488eea45cSKlaus Jensen return 0; 641588eea45cSKlaus Jensen } 641688eea45cSKlaus Jensen 641788eea45cSKlaus Jensen static void nvme_init_subnqn(NvmeCtrl *n) 641888eea45cSKlaus Jensen { 641988eea45cSKlaus Jensen NvmeSubsystem *subsys = n->subsys; 642088eea45cSKlaus Jensen NvmeIdCtrl *id = &n->id_ctrl; 642188eea45cSKlaus Jensen 642288eea45cSKlaus Jensen if (!subsys) { 642388eea45cSKlaus Jensen snprintf((char *)id->subnqn, sizeof(id->subnqn), 642488eea45cSKlaus Jensen "nqn.2019-08.org.qemu:%s", n->params.serial); 642588eea45cSKlaus Jensen } else { 642688eea45cSKlaus Jensen pstrcpy((char *)id->subnqn, sizeof(id->subnqn), (char*)subsys->subnqn); 642788eea45cSKlaus Jensen } 642888eea45cSKlaus Jensen } 642988eea45cSKlaus Jensen 643088eea45cSKlaus Jensen static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev) 643188eea45cSKlaus Jensen { 643288eea45cSKlaus Jensen NvmeIdCtrl *id = &n->id_ctrl; 643388eea45cSKlaus Jensen uint8_t *pci_conf = pci_dev->config; 643449e03457SKlaus Jensen uint64_t cap = ldq_le_p(&n->bar.cap); 643588eea45cSKlaus Jensen 643688eea45cSKlaus Jensen id->vid = cpu_to_le16(pci_get_word(pci_conf + PCI_VENDOR_ID)); 643788eea45cSKlaus Jensen id->ssvid = cpu_to_le16(pci_get_word(pci_conf + PCI_SUBSYSTEM_VENDOR_ID)); 643888eea45cSKlaus Jensen strpadcpy((char *)id->mn, sizeof(id->mn), "QEMU NVMe Ctrl", ' '); 643988eea45cSKlaus Jensen strpadcpy((char *)id->fr, sizeof(id->fr), "1.0", ' '); 644088eea45cSKlaus Jensen strpadcpy((char *)id->sn, sizeof(id->sn), n->params.serial, ' '); 644188eea45cSKlaus Jensen 644288eea45cSKlaus Jensen id->cntlid = cpu_to_le16(n->cntlid); 644388eea45cSKlaus Jensen 644488eea45cSKlaus Jensen id->oaes = cpu_to_le32(NVME_OAES_NS_ATTR); 644588eea45cSKlaus Jensen 644688eea45cSKlaus Jensen id->rab = 6; 644788eea45cSKlaus Jensen 644888eea45cSKlaus Jensen if (n->params.use_intel_id) { 644988eea45cSKlaus Jensen id->ieee[0] = 0xb3; 645088eea45cSKlaus Jensen id->ieee[1] = 0x02; 645188eea45cSKlaus Jensen id->ieee[2] = 0x00; 645288eea45cSKlaus Jensen } else { 645388eea45cSKlaus Jensen id->ieee[0] = 0x00; 645488eea45cSKlaus Jensen id->ieee[1] = 0x54; 645588eea45cSKlaus Jensen id->ieee[2] = 0x52; 645688eea45cSKlaus Jensen } 645788eea45cSKlaus Jensen 645888eea45cSKlaus Jensen id->mdts = n->params.mdts; 645988eea45cSKlaus Jensen id->ver = cpu_to_le32(NVME_SPEC_VER); 646088eea45cSKlaus Jensen id->oacs = cpu_to_le16(NVME_OACS_NS_MGMT | NVME_OACS_FORMAT); 646188eea45cSKlaus Jensen id->cntrltype = 0x1; 646288eea45cSKlaus Jensen 646388eea45cSKlaus Jensen /* 646488eea45cSKlaus Jensen * Because the controller always completes the Abort command immediately, 646588eea45cSKlaus Jensen * there can never be more than one concurrently executing Abort command, 646688eea45cSKlaus Jensen * so this value is never used for anything. Note that there can easily be 646788eea45cSKlaus Jensen * many Abort commands in the queues, but they are not considered 646888eea45cSKlaus Jensen * "executing" until processed by nvme_abort. 646988eea45cSKlaus Jensen * 647088eea45cSKlaus Jensen * The specification recommends a value of 3 for Abort Command Limit (four 647188eea45cSKlaus Jensen * concurrently outstanding Abort commands), so lets use that though it is 647288eea45cSKlaus Jensen * inconsequential. 647388eea45cSKlaus Jensen */ 647488eea45cSKlaus Jensen id->acl = 3; 647588eea45cSKlaus Jensen id->aerl = n->params.aerl; 647688eea45cSKlaus Jensen id->frmw = (NVME_NUM_FW_SLOTS << 1) | NVME_FRMW_SLOT1_RO; 647788eea45cSKlaus Jensen id->lpa = NVME_LPA_NS_SMART | NVME_LPA_CSE | NVME_LPA_EXTENDED; 647888eea45cSKlaus Jensen 647988eea45cSKlaus Jensen /* recommended default value (~70 C) */ 648088eea45cSKlaus Jensen id->wctemp = cpu_to_le16(NVME_TEMPERATURE_WARNING); 648188eea45cSKlaus Jensen id->cctemp = cpu_to_le16(NVME_TEMPERATURE_CRITICAL); 648288eea45cSKlaus Jensen 648388eea45cSKlaus Jensen id->sqes = (0x6 << 4) | 0x6; 648488eea45cSKlaus Jensen id->cqes = (0x4 << 4) | 0x4; 648588eea45cSKlaus Jensen id->nn = cpu_to_le32(NVME_MAX_NAMESPACES); 648688eea45cSKlaus Jensen id->oncs = cpu_to_le16(NVME_ONCS_WRITE_ZEROES | NVME_ONCS_TIMESTAMP | 648788eea45cSKlaus Jensen NVME_ONCS_FEATURES | NVME_ONCS_DSM | 648888eea45cSKlaus Jensen NVME_ONCS_COMPARE | NVME_ONCS_COPY); 648988eea45cSKlaus Jensen 649088eea45cSKlaus Jensen /* 649188eea45cSKlaus Jensen * NOTE: If this device ever supports a command set that does NOT use 0x0 649288eea45cSKlaus Jensen * as a Flush-equivalent operation, support for the broadcast NSID in Flush 649388eea45cSKlaus Jensen * should probably be removed. 649488eea45cSKlaus Jensen * 649588eea45cSKlaus Jensen * See comment in nvme_io_cmd. 649688eea45cSKlaus Jensen */ 649788eea45cSKlaus Jensen id->vwc = NVME_VWC_NSID_BROADCAST_SUPPORT | NVME_VWC_PRESENT; 649888eea45cSKlaus Jensen 649988eea45cSKlaus Jensen id->ocfs = cpu_to_le16(NVME_OCFS_COPY_FORMAT_0); 650088eea45cSKlaus Jensen id->sgls = cpu_to_le32(NVME_CTRL_SGLS_SUPPORT_NO_ALIGN | 650188eea45cSKlaus Jensen NVME_CTRL_SGLS_BITBUCKET); 650288eea45cSKlaus Jensen 650388eea45cSKlaus Jensen nvme_init_subnqn(n); 650488eea45cSKlaus Jensen 650588eea45cSKlaus Jensen id->psd[0].mp = cpu_to_le16(0x9c4); 650688eea45cSKlaus Jensen id->psd[0].enlat = cpu_to_le32(0x10); 650788eea45cSKlaus Jensen id->psd[0].exlat = cpu_to_le32(0x4); 650888eea45cSKlaus Jensen 650988eea45cSKlaus Jensen if (n->subsys) { 651088eea45cSKlaus Jensen id->cmic |= NVME_CMIC_MULTI_CTRL; 651188eea45cSKlaus Jensen } 651288eea45cSKlaus Jensen 651349e03457SKlaus Jensen NVME_CAP_SET_MQES(cap, 0x7ff); 651449e03457SKlaus Jensen NVME_CAP_SET_CQR(cap, 1); 651549e03457SKlaus Jensen NVME_CAP_SET_TO(cap, 0xf); 651649e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_NVM); 651749e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_CSI_SUPP); 651849e03457SKlaus Jensen NVME_CAP_SET_CSS(cap, NVME_CAP_CSS_ADMIN_ONLY); 651949e03457SKlaus Jensen NVME_CAP_SET_MPSMAX(cap, 4); 652049e03457SKlaus Jensen NVME_CAP_SET_CMBS(cap, n->params.cmb_size_mb ? 1 : 0); 652149e03457SKlaus Jensen NVME_CAP_SET_PMRS(cap, n->pmr.dev ? 1 : 0); 652249e03457SKlaus Jensen stq_le_p(&n->bar.cap, cap); 652388eea45cSKlaus Jensen 652449e03457SKlaus Jensen stl_le_p(&n->bar.vs, NVME_SPEC_VER); 652588eea45cSKlaus Jensen n->bar.intmc = n->bar.intms = 0; 652688eea45cSKlaus Jensen } 652788eea45cSKlaus Jensen 652888eea45cSKlaus Jensen static int nvme_init_subsys(NvmeCtrl *n, Error **errp) 652988eea45cSKlaus Jensen { 653088eea45cSKlaus Jensen int cntlid; 653188eea45cSKlaus Jensen 653288eea45cSKlaus Jensen if (!n->subsys) { 653388eea45cSKlaus Jensen return 0; 653488eea45cSKlaus Jensen } 653588eea45cSKlaus Jensen 653688eea45cSKlaus Jensen cntlid = nvme_subsys_register_ctrl(n, errp); 653788eea45cSKlaus Jensen if (cntlid < 0) { 653888eea45cSKlaus Jensen return -1; 653988eea45cSKlaus Jensen } 654088eea45cSKlaus Jensen 654188eea45cSKlaus Jensen n->cntlid = cntlid; 654288eea45cSKlaus Jensen 654388eea45cSKlaus Jensen return 0; 654488eea45cSKlaus Jensen } 654588eea45cSKlaus Jensen 654688eea45cSKlaus Jensen void nvme_attach_ns(NvmeCtrl *n, NvmeNamespace *ns) 654788eea45cSKlaus Jensen { 654888eea45cSKlaus Jensen uint32_t nsid = ns->params.nsid; 654988eea45cSKlaus Jensen assert(nsid && nsid <= NVME_MAX_NAMESPACES); 655088eea45cSKlaus Jensen 655188eea45cSKlaus Jensen n->namespaces[nsid] = ns; 655288eea45cSKlaus Jensen ns->attached++; 655388eea45cSKlaus Jensen 655488eea45cSKlaus Jensen n->dmrsl = MIN_NON_ZERO(n->dmrsl, 655588eea45cSKlaus Jensen BDRV_REQUEST_MAX_BYTES / nvme_l2b(ns, 1)); 655688eea45cSKlaus Jensen } 655788eea45cSKlaus Jensen 655888eea45cSKlaus Jensen static void nvme_realize(PCIDevice *pci_dev, Error **errp) 655988eea45cSKlaus Jensen { 656088eea45cSKlaus Jensen NvmeCtrl *n = NVME(pci_dev); 656188eea45cSKlaus Jensen NvmeNamespace *ns; 656288eea45cSKlaus Jensen Error *local_err = NULL; 656388eea45cSKlaus Jensen 656488eea45cSKlaus Jensen nvme_check_constraints(n, &local_err); 656588eea45cSKlaus Jensen if (local_err) { 656688eea45cSKlaus Jensen error_propagate(errp, local_err); 656788eea45cSKlaus Jensen return; 656888eea45cSKlaus Jensen } 656988eea45cSKlaus Jensen 6570d637e1dcSPeter Maydell qbus_init(&n->bus, sizeof(NvmeBus), TYPE_NVME_BUS, 657188eea45cSKlaus Jensen &pci_dev->qdev, n->parent_obj.qdev.id); 657288eea45cSKlaus Jensen 657388eea45cSKlaus Jensen nvme_init_state(n); 657488eea45cSKlaus Jensen if (nvme_init_pci(n, pci_dev, errp)) { 657588eea45cSKlaus Jensen return; 657688eea45cSKlaus Jensen } 657788eea45cSKlaus Jensen 657888eea45cSKlaus Jensen if (nvme_init_subsys(n, errp)) { 657988eea45cSKlaus Jensen error_propagate(errp, local_err); 658088eea45cSKlaus Jensen return; 658188eea45cSKlaus Jensen } 658288eea45cSKlaus Jensen nvme_init_ctrl(n, pci_dev); 658388eea45cSKlaus Jensen 658488eea45cSKlaus Jensen /* setup a namespace if the controller drive property was given */ 658588eea45cSKlaus Jensen if (n->namespace.blkconf.blk) { 658688eea45cSKlaus Jensen ns = &n->namespace; 658788eea45cSKlaus Jensen ns->params.nsid = 1; 658888eea45cSKlaus Jensen 65895e4f6bccSKlaus Jensen if (nvme_ns_setup(ns, errp)) { 659088eea45cSKlaus Jensen return; 659188eea45cSKlaus Jensen } 659288eea45cSKlaus Jensen 659388eea45cSKlaus Jensen nvme_attach_ns(n, ns); 659488eea45cSKlaus Jensen } 659588eea45cSKlaus Jensen } 659688eea45cSKlaus Jensen 659788eea45cSKlaus Jensen static void nvme_exit(PCIDevice *pci_dev) 659888eea45cSKlaus Jensen { 659988eea45cSKlaus Jensen NvmeCtrl *n = NVME(pci_dev); 660088eea45cSKlaus Jensen NvmeNamespace *ns; 660188eea45cSKlaus Jensen int i; 660288eea45cSKlaus Jensen 660388eea45cSKlaus Jensen nvme_ctrl_reset(n); 660488eea45cSKlaus Jensen 66055ffbaeedSKlaus Jensen if (n->subsys) { 660688eea45cSKlaus Jensen for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { 660788eea45cSKlaus Jensen ns = nvme_ns(n, i); 66085ffbaeedSKlaus Jensen if (ns) { 66095ffbaeedSKlaus Jensen ns->attached--; 66105ffbaeedSKlaus Jensen } 661188eea45cSKlaus Jensen } 661288eea45cSKlaus Jensen 6613b0fde9e8SKlaus Jensen nvme_subsys_unregister_ctrl(n->subsys, n); 6614b0fde9e8SKlaus Jensen } 6615b0fde9e8SKlaus Jensen 661688eea45cSKlaus Jensen g_free(n->cq); 661788eea45cSKlaus Jensen g_free(n->sq); 661888eea45cSKlaus Jensen g_free(n->aer_reqs); 661988eea45cSKlaus Jensen 662088eea45cSKlaus Jensen if (n->params.cmb_size_mb) { 662188eea45cSKlaus Jensen g_free(n->cmb.buf); 662288eea45cSKlaus Jensen } 662388eea45cSKlaus Jensen 662488eea45cSKlaus Jensen if (n->pmr.dev) { 662588eea45cSKlaus Jensen host_memory_backend_set_mapped(n->pmr.dev, false); 662688eea45cSKlaus Jensen } 662788eea45cSKlaus Jensen msix_uninit(pci_dev, &n->bar0, &n->bar0); 662888eea45cSKlaus Jensen memory_region_del_subregion(&n->bar0, &n->iomem); 662988eea45cSKlaus Jensen } 663088eea45cSKlaus Jensen 663188eea45cSKlaus Jensen static Property nvme_props[] = { 663288eea45cSKlaus Jensen DEFINE_BLOCK_PROPERTIES(NvmeCtrl, namespace.blkconf), 663388eea45cSKlaus Jensen DEFINE_PROP_LINK("pmrdev", NvmeCtrl, pmr.dev, TYPE_MEMORY_BACKEND, 663488eea45cSKlaus Jensen HostMemoryBackend *), 663588eea45cSKlaus Jensen DEFINE_PROP_LINK("subsys", NvmeCtrl, subsys, TYPE_NVME_SUBSYS, 663688eea45cSKlaus Jensen NvmeSubsystem *), 663788eea45cSKlaus Jensen DEFINE_PROP_STRING("serial", NvmeCtrl, params.serial), 663888eea45cSKlaus Jensen DEFINE_PROP_UINT32("cmb_size_mb", NvmeCtrl, params.cmb_size_mb, 0), 663988eea45cSKlaus Jensen DEFINE_PROP_UINT32("num_queues", NvmeCtrl, params.num_queues, 0), 664088eea45cSKlaus Jensen DEFINE_PROP_UINT32("max_ioqpairs", NvmeCtrl, params.max_ioqpairs, 64), 664188eea45cSKlaus Jensen DEFINE_PROP_UINT16("msix_qsize", NvmeCtrl, params.msix_qsize, 65), 664288eea45cSKlaus Jensen DEFINE_PROP_UINT8("aerl", NvmeCtrl, params.aerl, 3), 664388eea45cSKlaus Jensen DEFINE_PROP_UINT32("aer_max_queued", NvmeCtrl, params.aer_max_queued, 64), 664488eea45cSKlaus Jensen DEFINE_PROP_UINT8("mdts", NvmeCtrl, params.mdts, 7), 664588eea45cSKlaus Jensen DEFINE_PROP_UINT8("vsl", NvmeCtrl, params.vsl, 7), 664688eea45cSKlaus Jensen DEFINE_PROP_BOOL("use-intel-id", NvmeCtrl, params.use_intel_id, false), 664788eea45cSKlaus Jensen DEFINE_PROP_BOOL("legacy-cmb", NvmeCtrl, params.legacy_cmb, false), 664888eea45cSKlaus Jensen DEFINE_PROP_UINT8("zoned.zasl", NvmeCtrl, params.zasl, 0), 6649cccc2651SNiklas Cassel DEFINE_PROP_BOOL("zoned.auto_transition", NvmeCtrl, 6650cccc2651SNiklas Cassel params.auto_transition_zones, true), 665188eea45cSKlaus Jensen DEFINE_PROP_END_OF_LIST(), 665288eea45cSKlaus Jensen }; 665388eea45cSKlaus Jensen 665488eea45cSKlaus Jensen static void nvme_get_smart_warning(Object *obj, Visitor *v, const char *name, 665588eea45cSKlaus Jensen void *opaque, Error **errp) 665688eea45cSKlaus Jensen { 665788eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 665888eea45cSKlaus Jensen uint8_t value = n->smart_critical_warning; 665988eea45cSKlaus Jensen 666088eea45cSKlaus Jensen visit_type_uint8(v, name, &value, errp); 666188eea45cSKlaus Jensen } 666288eea45cSKlaus Jensen 666388eea45cSKlaus Jensen static void nvme_set_smart_warning(Object *obj, Visitor *v, const char *name, 666488eea45cSKlaus Jensen void *opaque, Error **errp) 666588eea45cSKlaus Jensen { 666688eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 666788eea45cSKlaus Jensen uint8_t value, old_value, cap = 0, index, event; 666888eea45cSKlaus Jensen 666988eea45cSKlaus Jensen if (!visit_type_uint8(v, name, &value, errp)) { 667088eea45cSKlaus Jensen return; 667188eea45cSKlaus Jensen } 667288eea45cSKlaus Jensen 667388eea45cSKlaus Jensen cap = NVME_SMART_SPARE | NVME_SMART_TEMPERATURE | NVME_SMART_RELIABILITY 667488eea45cSKlaus Jensen | NVME_SMART_MEDIA_READ_ONLY | NVME_SMART_FAILED_VOLATILE_MEDIA; 667549e03457SKlaus Jensen if (NVME_CAP_PMRS(ldq_le_p(&n->bar.cap))) { 667688eea45cSKlaus Jensen cap |= NVME_SMART_PMR_UNRELIABLE; 667788eea45cSKlaus Jensen } 667888eea45cSKlaus Jensen 667988eea45cSKlaus Jensen if ((value & cap) != value) { 668088eea45cSKlaus Jensen error_setg(errp, "unsupported smart critical warning bits: 0x%x", 668188eea45cSKlaus Jensen value & ~cap); 668288eea45cSKlaus Jensen return; 668388eea45cSKlaus Jensen } 668488eea45cSKlaus Jensen 668588eea45cSKlaus Jensen old_value = n->smart_critical_warning; 668688eea45cSKlaus Jensen n->smart_critical_warning = value; 668788eea45cSKlaus Jensen 668888eea45cSKlaus Jensen /* only inject new bits of smart critical warning */ 668988eea45cSKlaus Jensen for (index = 0; index < NVME_SMART_WARN_MAX; index++) { 669088eea45cSKlaus Jensen event = 1 << index; 669188eea45cSKlaus Jensen if (value & ~old_value & event) 669288eea45cSKlaus Jensen nvme_smart_event(n, event); 669388eea45cSKlaus Jensen } 669488eea45cSKlaus Jensen } 669588eea45cSKlaus Jensen 669688eea45cSKlaus Jensen static const VMStateDescription nvme_vmstate = { 669788eea45cSKlaus Jensen .name = "nvme", 669888eea45cSKlaus Jensen .unmigratable = 1, 669988eea45cSKlaus Jensen }; 670088eea45cSKlaus Jensen 670188eea45cSKlaus Jensen static void nvme_class_init(ObjectClass *oc, void *data) 670288eea45cSKlaus Jensen { 670388eea45cSKlaus Jensen DeviceClass *dc = DEVICE_CLASS(oc); 670488eea45cSKlaus Jensen PCIDeviceClass *pc = PCI_DEVICE_CLASS(oc); 670588eea45cSKlaus Jensen 670688eea45cSKlaus Jensen pc->realize = nvme_realize; 670788eea45cSKlaus Jensen pc->exit = nvme_exit; 670888eea45cSKlaus Jensen pc->class_id = PCI_CLASS_STORAGE_EXPRESS; 670988eea45cSKlaus Jensen pc->revision = 2; 671088eea45cSKlaus Jensen 671188eea45cSKlaus Jensen set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 671288eea45cSKlaus Jensen dc->desc = "Non-Volatile Memory Express"; 671388eea45cSKlaus Jensen device_class_set_props(dc, nvme_props); 671488eea45cSKlaus Jensen dc->vmsd = &nvme_vmstate; 671588eea45cSKlaus Jensen } 671688eea45cSKlaus Jensen 671788eea45cSKlaus Jensen static void nvme_instance_init(Object *obj) 671888eea45cSKlaus Jensen { 671988eea45cSKlaus Jensen NvmeCtrl *n = NVME(obj); 672088eea45cSKlaus Jensen 672188eea45cSKlaus Jensen device_add_bootindex_property(obj, &n->namespace.blkconf.bootindex, 672288eea45cSKlaus Jensen "bootindex", "/namespace@1,0", 672388eea45cSKlaus Jensen DEVICE(obj)); 672488eea45cSKlaus Jensen 672588eea45cSKlaus Jensen object_property_add(obj, "smart_critical_warning", "uint8", 672688eea45cSKlaus Jensen nvme_get_smart_warning, 672788eea45cSKlaus Jensen nvme_set_smart_warning, NULL, NULL); 672888eea45cSKlaus Jensen } 672988eea45cSKlaus Jensen 673088eea45cSKlaus Jensen static const TypeInfo nvme_info = { 673188eea45cSKlaus Jensen .name = TYPE_NVME, 673288eea45cSKlaus Jensen .parent = TYPE_PCI_DEVICE, 673388eea45cSKlaus Jensen .instance_size = sizeof(NvmeCtrl), 673488eea45cSKlaus Jensen .instance_init = nvme_instance_init, 673588eea45cSKlaus Jensen .class_init = nvme_class_init, 673688eea45cSKlaus Jensen .interfaces = (InterfaceInfo[]) { 673788eea45cSKlaus Jensen { INTERFACE_PCIE_DEVICE }, 673888eea45cSKlaus Jensen { } 673988eea45cSKlaus Jensen }, 674088eea45cSKlaus Jensen }; 674188eea45cSKlaus Jensen 674288eea45cSKlaus Jensen static const TypeInfo nvme_bus_info = { 674388eea45cSKlaus Jensen .name = TYPE_NVME_BUS, 674488eea45cSKlaus Jensen .parent = TYPE_BUS, 674588eea45cSKlaus Jensen .instance_size = sizeof(NvmeBus), 674688eea45cSKlaus Jensen }; 674788eea45cSKlaus Jensen 674888eea45cSKlaus Jensen static void nvme_register_types(void) 674988eea45cSKlaus Jensen { 675088eea45cSKlaus Jensen type_register_static(&nvme_info); 675188eea45cSKlaus Jensen type_register_static(&nvme_bus_info); 675288eea45cSKlaus Jensen } 675388eea45cSKlaus Jensen 675488eea45cSKlaus Jensen type_init(nvme_register_types) 6755