diff options
Diffstat (limited to 'hw/block/nvme.c')
| -rw-r--r-- | hw/block/nvme.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/hw/block/nvme.c b/hw/block/nvme.c index 43b70730e4..7e065353a5 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -68,6 +68,20 @@ static void nvme_process_sq(void *opaque); +static uint16_t nvme_cid(NvmeRequest *req) +{ + if (!req) { + return 0xffff; + } + + return le16_to_cpu(req->cqe.cid); +} + +static uint16_t nvme_sqid(NvmeRequest *req) +{ + return le16_to_cpu(req->sq->sqid); +} + static bool nvme_addr_is_cmb(NvmeCtrl *n, hwaddr addr) { hwaddr low = n->ctrl_mem.addr; @@ -330,6 +344,8 @@ static void nvme_post_cqes(void *opaque) static void nvme_enqueue_req_completion(NvmeCQueue *cq, NvmeRequest *req) { assert(cq->cqid == req->sq->cqid); + trace_pci_nvme_enqueue_req_completion(nvme_cid(req), cq->cqid, + req->status); QTAILQ_REMOVE(&req->sq->out_req_list, req, entry); QTAILQ_INSERT_TAIL(&cq->req_list, req, entry); timer_mod(cq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); @@ -342,6 +358,8 @@ static void nvme_rw_cb(void *opaque, int ret) NvmeCtrl *n = sq->ctrl; NvmeCQueue *cq = n->cq[sq->cqid]; + trace_pci_nvme_rw_cb(nvme_cid(req)); + if (!ret) { block_acct_done(blk_get_stats(n->conf.blk), &req->acct); req->status = NVME_SUCCESS; @@ -377,6 +395,8 @@ static uint16_t nvme_write_zeros(NvmeCtrl *n, NvmeNamespace *ns, NvmeCmd *cmd, uint64_t offset = slba << data_shift; uint32_t count = nlb << data_shift; + trace_pci_nvme_write_zeroes(nvme_cid(req), slba, nlb); + if (unlikely(slba + nlb > ns->id_ns.nsze)) { trace_pci_nvme_err_invalid_lba_range(slba, nlb, ns->id_ns.nsze); return NVME_LBA_RANGE | NVME_DNR; @@ -444,6 +464,8 @@ static uint16_t nvme_io_cmd(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req) NvmeNamespace *ns; uint32_t nsid = le32_to_cpu(cmd->nsid); + trace_pci_nvme_io_cmd(nvme_cid(req), nsid, nvme_sqid(req), cmd->opcode); + if (unlikely(nsid == 0 || nsid > n->num_namespaces)) { trace_pci_nvme_err_invalid_ns(nsid, n->num_namespaces); return NVME_INVALID_NSID | NVME_DNR; @@ -875,6 +897,8 @@ static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req) static uint16_t nvme_admin_cmd(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req) { + trace_pci_nvme_admin_cmd(nvme_cid(req), nvme_sqid(req), cmd->opcode); + switch (cmd->opcode) { case NVME_ADM_CMD_DELETE_SQ: return nvme_del_sq(n, cmd); @@ -1203,6 +1227,8 @@ static uint64_t nvme_mmio_read(void *opaque, hwaddr addr, unsigned size) uint8_t *ptr = (uint8_t *)&n->bar; uint64_t val = 0; + trace_pci_nvme_mmio_read(addr); + if (unlikely(addr & (sizeof(uint32_t) - 1))) { NVME_GUEST_ERR(pci_nvme_ub_mmiord_misaligned32, "MMIO read not 32-bit aligned," @@ -1272,6 +1298,8 @@ static void nvme_process_db(NvmeCtrl *n, hwaddr addr, int val) return; } + trace_pci_nvme_mmio_doorbell_cq(cq->cqid, new_head); + start_sqs = nvme_cq_full(cq) ? 1 : 0; cq->head = new_head; if (start_sqs) { @@ -1310,6 +1338,8 @@ static void nvme_process_db(NvmeCtrl *n, hwaddr addr, int val) return; } + trace_pci_nvme_mmio_doorbell_sq(sq->sqid, new_tail); + sq->tail = new_tail; timer_mod(sq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); } @@ -1319,6 +1349,9 @@ static void nvme_mmio_write(void *opaque, hwaddr addr, uint64_t data, unsigned size) { NvmeCtrl *n = (NvmeCtrl *)opaque; + + trace_pci_nvme_mmio_write(addr, data); + if (addr < sizeof(n->bar)) { nvme_write_bar(n, addr, data, size); } else { |