LXR qemu/hw/block/nvme.h

   1#ifndef HW_NVME_H
   2#define HW_NVME_H
   3#include "block/nvme.h"
   4
   5typedef struct NvmeAsyncEvent {
   6    QSIMPLEQ_ENTRY(NvmeAsyncEvent) entry;
   7    NvmeAerResult result;
   8} NvmeAsyncEvent;
   9
  10typedef struct NvmeRequest {
  11    struct NvmeSQueue       *sq;
  12    BlockAIOCB              *aiocb;
  13    uint16_t                status;
  14    bool                    has_sg;
  15    NvmeCqe                 cqe;
  16    BlockAcctCookie         acct;
  17    QEMUSGList              qsg;
  18    QEMUIOVector            iov;
  19    QTAILQ_ENTRY(NvmeRequest)entry;
  20} NvmeRequest;
  21
  22typedef struct NvmeSQueue {
  23    struct NvmeCtrl *ctrl;
  24    uint16_t    sqid;
  25    uint16_t    cqid;
  26    uint32_t    head;
  27    uint32_t    tail;
  28    uint32_t    size;
  29    uint64_t    dma_addr;
  30    QEMUTimer   *timer;
  31    NvmeRequest *io_req;
  32    QTAILQ_HEAD(, NvmeRequest) req_list;
  33    QTAILQ_HEAD(, NvmeRequest) out_req_list;
  34    QTAILQ_ENTRY(NvmeSQueue) entry;
  35} NvmeSQueue;
  36
  37typedef struct NvmeCQueue {
  38    struct NvmeCtrl *ctrl;
  39    uint8_t     phase;
  40    uint16_t    cqid;
  41    uint16_t    irq_enabled;
  42    uint32_t    head;
  43    uint32_t    tail;
  44    uint32_t    vector;
  45    uint32_t    size;
  46    uint64_t    dma_addr;
  47    QEMUTimer   *timer;
  48    QTAILQ_HEAD(, NvmeSQueue) sq_list;
  49    QTAILQ_HEAD(, NvmeRequest) req_list;
  50} NvmeCQueue;
  51
  52typedef struct NvmeNamespace {
  53    NvmeIdNs        id_ns;
  54} NvmeNamespace;
  55
  56#define TYPE_NVME "nvme"
  57#define NVME(obj) \
  58        OBJECT_CHECK(NvmeCtrl, (obj), TYPE_NVME)
  59
  60typedef struct NvmeCtrl {
  61    PCIDevice    parent_obj;
  62    MemoryRegion iomem;
  63    MemoryRegion ctrl_mem;
  64    NvmeBar      bar;
  65    BlockConf    conf;
  66
  67    uint32_t    page_size;
  68    uint16_t    page_bits;
  69    uint16_t    max_prp_ents;
  70    uint16_t    cqe_size;
  71    uint16_t    sqe_size;
  72    uint32_t    reg_size;
  73    uint32_t    num_namespaces;
  74    uint32_t    num_queues;
  75    uint32_t    max_q_ents;
  76    uint64_t    ns_size;
  77    uint32_t    cmb_size_mb;
  78    uint32_t    cmbsz;
  79    uint32_t    cmbloc;
  80    uint8_t     *cmbuf;
  81    uint64_t    irq_status;
  82    uint64_t    host_timestamp;                 /* Timestamp sent by the host */
  83    uint64_t    timestamp_set_qemu_clock_ms;    /* QEMU clock time */
  84
  85    char            *serial;
  86    NvmeNamespace   *namespaces;
  87    NvmeSQueue      **sq;
  88    NvmeCQueue      **cq;
  89    NvmeSQueue      admin_sq;
  90    NvmeCQueue      admin_cq;
  91    NvmeIdCtrl      id_ctrl;
  92} NvmeCtrl;
  93
  94#endif /* HW_NVME_H */
  95