diff options
Diffstat (limited to 'hw/block/nvme.h')
| -rw-r--r-- | hw/block/nvme.h | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/hw/block/nvme.h b/hw/block/nvme.h deleted file mode 100644 index 5d05ec368f..0000000000 --- a/hw/block/nvme.h +++ /dev/null @@ -1,266 +0,0 @@ -#ifndef HW_NVME_H -#define HW_NVME_H - -#include "block/nvme.h" -#include "hw/pci/pci.h" -#include "nvme-subsys.h" -#include "nvme-ns.h" - -#define NVME_DEFAULT_ZONE_SIZE (128 * MiB) -#define NVME_DEFAULT_MAX_ZA_SIZE (128 * KiB) - -typedef struct NvmeParams { - char *serial; - uint32_t num_queues; /* deprecated since 5.1 */ - uint32_t max_ioqpairs; - uint16_t msix_qsize; - uint32_t cmb_size_mb; - uint8_t aerl; - uint32_t aer_max_queued; - uint8_t mdts; - uint8_t vsl; - bool use_intel_id; - uint8_t zasl; - bool legacy_cmb; -} NvmeParams; - -typedef struct NvmeAsyncEvent { - QTAILQ_ENTRY(NvmeAsyncEvent) entry; - NvmeAerResult result; -} NvmeAsyncEvent; - -enum { - NVME_SG_ALLOC = 1 << 0, - NVME_SG_DMA = 1 << 1, -}; - -typedef struct NvmeSg { - int flags; - - union { - QEMUSGList qsg; - QEMUIOVector iov; - }; -} NvmeSg; - -typedef struct NvmeRequest { - struct NvmeSQueue *sq; - struct NvmeNamespace *ns; - BlockAIOCB *aiocb; - uint16_t status; - void *opaque; - NvmeCqe cqe; - NvmeCmd cmd; - BlockAcctCookie acct; - NvmeSg sg; - QTAILQ_ENTRY(NvmeRequest)entry; -} NvmeRequest; - -typedef struct NvmeBounceContext { - NvmeRequest *req; - - struct { - QEMUIOVector iov; - uint8_t *bounce; - } data, mdata; -} NvmeBounceContext; - -static inline const char *nvme_adm_opc_str(uint8_t opc) -{ - switch (opc) { - case NVME_ADM_CMD_DELETE_SQ: return "NVME_ADM_CMD_DELETE_SQ"; - case NVME_ADM_CMD_CREATE_SQ: return "NVME_ADM_CMD_CREATE_SQ"; - case NVME_ADM_CMD_GET_LOG_PAGE: return "NVME_ADM_CMD_GET_LOG_PAGE"; - case NVME_ADM_CMD_DELETE_CQ: return "NVME_ADM_CMD_DELETE_CQ"; - case NVME_ADM_CMD_CREATE_CQ: return "NVME_ADM_CMD_CREATE_CQ"; - case NVME_ADM_CMD_IDENTIFY: return "NVME_ADM_CMD_IDENTIFY"; - case NVME_ADM_CMD_ABORT: return "NVME_ADM_CMD_ABORT"; - case NVME_ADM_CMD_SET_FEATURES: return "NVME_ADM_CMD_SET_FEATURES"; - case NVME_ADM_CMD_GET_FEATURES: return "NVME_ADM_CMD_GET_FEATURES"; - case NVME_ADM_CMD_ASYNC_EV_REQ: return "NVME_ADM_CMD_ASYNC_EV_REQ"; - case NVME_ADM_CMD_NS_ATTACHMENT: return "NVME_ADM_CMD_NS_ATTACHMENT"; - case NVME_ADM_CMD_FORMAT_NVM: return "NVME_ADM_CMD_FORMAT_NVM"; - default: return "NVME_ADM_CMD_UNKNOWN"; - } -} - -static inline const char *nvme_io_opc_str(uint8_t opc) -{ - switch (opc) { - case NVME_CMD_FLUSH: return "NVME_NVM_CMD_FLUSH"; - case NVME_CMD_WRITE: return "NVME_NVM_CMD_WRITE"; - case NVME_CMD_READ: return "NVME_NVM_CMD_READ"; - case NVME_CMD_COMPARE: return "NVME_NVM_CMD_COMPARE"; - case NVME_CMD_WRITE_ZEROES: return "NVME_NVM_CMD_WRITE_ZEROES"; - case NVME_CMD_DSM: return "NVME_NVM_CMD_DSM"; - case NVME_CMD_VERIFY: return "NVME_NVM_CMD_VERIFY"; - case NVME_CMD_COPY: return "NVME_NVM_CMD_COPY"; - case NVME_CMD_ZONE_MGMT_SEND: return "NVME_ZONED_CMD_MGMT_SEND"; - case NVME_CMD_ZONE_MGMT_RECV: return "NVME_ZONED_CMD_MGMT_RECV"; - case NVME_CMD_ZONE_APPEND: return "NVME_ZONED_CMD_ZONE_APPEND"; - default: return "NVME_NVM_CMD_UNKNOWN"; - } -} - -typedef struct NvmeSQueue { - struct NvmeCtrl *ctrl; - uint16_t sqid; - uint16_t cqid; - uint32_t head; - uint32_t tail; - uint32_t size; - uint64_t dma_addr; - QEMUTimer *timer; - NvmeRequest *io_req; - QTAILQ_HEAD(, NvmeRequest) req_list; - QTAILQ_HEAD(, NvmeRequest) out_req_list; - QTAILQ_ENTRY(NvmeSQueue) entry; -} NvmeSQueue; - -typedef struct NvmeCQueue { - struct NvmeCtrl *ctrl; - uint8_t phase; - uint16_t cqid; - uint16_t irq_enabled; - uint32_t head; - uint32_t tail; - uint32_t vector; - uint32_t size; - uint64_t dma_addr; - QEMUTimer *timer; - QTAILQ_HEAD(, NvmeSQueue) sq_list; - QTAILQ_HEAD(, NvmeRequest) req_list; -} NvmeCQueue; - -#define TYPE_NVME_BUS "nvme-bus" -#define NVME_BUS(obj) OBJECT_CHECK(NvmeBus, (obj), TYPE_NVME_BUS) - -typedef struct NvmeBus { - BusState parent_bus; -} NvmeBus; - -#define TYPE_NVME "nvme" -#define NVME(obj) \ - OBJECT_CHECK(NvmeCtrl, (obj), TYPE_NVME) - -typedef struct NvmeFeatureVal { - struct { - uint16_t temp_thresh_hi; - uint16_t temp_thresh_low; - }; - uint32_t async_config; -} NvmeFeatureVal; - -typedef struct NvmeCtrl { - PCIDevice parent_obj; - MemoryRegion bar0; - MemoryRegion iomem; - NvmeBar bar; - NvmeParams params; - NvmeBus bus; - - uint16_t cntlid; - bool qs_created; - uint32_t page_size; - uint16_t page_bits; - uint16_t max_prp_ents; - uint16_t cqe_size; - uint16_t sqe_size; - uint32_t reg_size; - uint32_t num_namespaces; - uint32_t max_q_ents; - uint8_t outstanding_aers; - uint32_t irq_status; - uint64_t host_timestamp; /* Timestamp sent by the host */ - uint64_t timestamp_set_qemu_clock_ms; /* QEMU clock time */ - uint64_t starttime_ms; - uint16_t temperature; - uint8_t smart_critical_warning; - - struct { - MemoryRegion mem; - uint8_t *buf; - bool cmse; - hwaddr cba; - } cmb; - - struct { - HostMemoryBackend *dev; - bool cmse; - hwaddr cba; - } pmr; - - uint8_t aer_mask; - NvmeRequest **aer_reqs; - QTAILQ_HEAD(, NvmeAsyncEvent) aer_queue; - int aer_queued; - - uint32_t dmrsl; - - /* Namespace ID is started with 1 so bitmap should be 1-based */ -#define NVME_CHANGED_NSID_SIZE (NVME_MAX_NAMESPACES + 1) - DECLARE_BITMAP(changed_nsids, NVME_CHANGED_NSID_SIZE); - - NvmeSubsystem *subsys; - - NvmeNamespace namespace; - /* - * Attached namespaces to this controller. If subsys is not given, all - * namespaces in this list will always be attached. - */ - NvmeNamespace *namespaces[NVME_MAX_NAMESPACES]; - NvmeSQueue **sq; - NvmeCQueue **cq; - NvmeSQueue admin_sq; - NvmeCQueue admin_cq; - NvmeIdCtrl id_ctrl; - NvmeFeatureVal features; -} NvmeCtrl; - -static inline NvmeNamespace *nvme_ns(NvmeCtrl *n, uint32_t nsid) -{ - if (!nsid || nsid > n->num_namespaces) { - return NULL; - } - - return n->namespaces[nsid - 1]; -} - -static inline NvmeCQueue *nvme_cq(NvmeRequest *req) -{ - NvmeSQueue *sq = req->sq; - NvmeCtrl *n = sq->ctrl; - - return n->cq[sq->cqid]; -} - -static inline NvmeCtrl *nvme_ctrl(NvmeRequest *req) -{ - NvmeSQueue *sq = req->sq; - return sq->ctrl; -} - -static inline uint16_t nvme_cid(NvmeRequest *req) -{ - if (!req) { - return 0xffff; - } - - return le16_to_cpu(req->cqe.cid); -} - -typedef enum NvmeTxDirection { - NVME_TX_DIRECTION_TO_DEVICE = 0, - NVME_TX_DIRECTION_FROM_DEVICE = 1, -} NvmeTxDirection; - -void nvme_attach_ns(NvmeCtrl *n, NvmeNamespace *ns); -uint16_t nvme_bounce_data(NvmeCtrl *n, uint8_t *ptr, uint32_t len, - NvmeTxDirection dir, NvmeRequest *req); -uint16_t nvme_bounce_mdata(NvmeCtrl *n, uint8_t *ptr, uint32_t len, - NvmeTxDirection dir, NvmeRequest *req); -void nvme_rw_complete_cb(void *opaque, int ret); -uint16_t nvme_map_dptr(NvmeCtrl *n, NvmeSg *sg, size_t len, - NvmeCmd *cmd); - -#endif /* HW_NVME_H */ |