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-rw-r--r--hw/nvme/ctrl.c263
-rw-r--r--hw/nvme/trace-events4
2 files changed, 143 insertions, 124 deletions
diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c
index 5b550ec..3b8c542 100644
--- a/hw/nvme/ctrl.c
+++ b/hw/nvme/ctrl.c
@@ -1924,42 +1924,6 @@ out:
nvme_rw_complete_cb(req, ret);
}
-struct nvme_aio_format_ctx {
- NvmeRequest *req;
- NvmeNamespace *ns;
-
- /* number of outstanding write zeroes for this namespace */
- int *count;
-};
-
-static void nvme_aio_format_cb(void *opaque, int ret)
-{
- struct nvme_aio_format_ctx *ctx = opaque;
- NvmeRequest *req = ctx->req;
- NvmeNamespace *ns = ctx->ns;
- uintptr_t *num_formats = (uintptr_t *)&req->opaque;
- int *count = ctx->count;
-
- g_free(ctx);
-
- if (ret) {
- nvme_aio_err(req, ret);
- }
-
- if (--(*count)) {
- return;
- }
-
- g_free(count);
- ns->status = 0x0;
-
- if (--(*num_formats)) {
- return;
- }
-
- nvme_enqueue_req_completion(nvme_cq(req), req);
-}
-
static void nvme_verify_cb(void *opaque, int ret)
{
NvmeBounceContext *ctx = opaque;
@@ -5272,138 +5236,195 @@ static uint16_t nvme_ns_attachment(NvmeCtrl *n, NvmeRequest *req)
return NVME_SUCCESS;
}
-static uint16_t nvme_format_ns(NvmeCtrl *n, NvmeNamespace *ns, uint8_t lbaf,
- uint8_t mset, uint8_t pi, uint8_t pil,
- NvmeRequest *req)
-{
- int64_t len, offset;
- struct nvme_aio_format_ctx *ctx;
- BlockBackend *blk = ns->blkconf.blk;
- uint16_t ms;
- uintptr_t *num_formats = (uintptr_t *)&req->opaque;
- int *count;
-
- if (ns->params.zoned) {
- return NVME_INVALID_FORMAT | NVME_DNR;
- }
+typedef struct NvmeFormatAIOCB {
+ BlockAIOCB common;
+ BlockAIOCB *aiocb;
+ QEMUBH *bh;
+ NvmeRequest *req;
+ int ret;
- trace_pci_nvme_format_ns(nvme_cid(req), nvme_nsid(ns), lbaf, mset, pi, pil);
+ NvmeNamespace *ns;
+ uint32_t nsid;
+ bool broadcast;
+ int64_t offset;
+} NvmeFormatAIOCB;
- if (lbaf > ns->id_ns.nlbaf) {
- return NVME_INVALID_FORMAT | NVME_DNR;
- }
+static void nvme_format_bh(void *opaque);
- ms = ns->id_ns.lbaf[lbaf].ms;
+static void nvme_format_cancel(BlockAIOCB *aiocb)
+{
+ NvmeFormatAIOCB *iocb = container_of(aiocb, NvmeFormatAIOCB, common);
- if (pi && (ms < sizeof(NvmeDifTuple))) {
- return NVME_INVALID_FORMAT | NVME_DNR;
+ if (iocb->aiocb) {
+ blk_aio_cancel_async(iocb->aiocb);
}
+}
- if (pi && pi > NVME_ID_NS_DPS_TYPE_3) {
- return NVME_INVALID_FIELD | NVME_DNR;
- }
+static const AIOCBInfo nvme_format_aiocb_info = {
+ .aiocb_size = sizeof(NvmeFormatAIOCB),
+ .cancel_async = nvme_format_cancel,
+ .get_aio_context = nvme_get_aio_context,
+};
+
+static void nvme_format_set(NvmeNamespace *ns, NvmeCmd *cmd)
+{
+ uint32_t dw10 = le32_to_cpu(cmd->cdw10);
+ uint8_t lbaf = dw10 & 0xf;
+ uint8_t pi = (dw10 >> 5) & 0x7;
+ uint8_t mset = (dw10 >> 4) & 0x1;
+ uint8_t pil = (dw10 >> 8) & 0x1;
- nvme_ns_drain(ns);
- nvme_ns_shutdown(ns);
- nvme_ns_cleanup(ns);
+ trace_pci_nvme_format_set(ns->params.nsid, lbaf, mset, pi, pil);
ns->id_ns.dps = (pil << 3) | pi;
ns->id_ns.flbas = lbaf | (mset << 4);
nvme_ns_init_format(ns);
+}
- ns->status = NVME_FORMAT_IN_PROGRESS;
+static void nvme_format_ns_cb(void *opaque, int ret)
+{
+ NvmeFormatAIOCB *iocb = opaque;
+ NvmeRequest *req = iocb->req;
+ NvmeNamespace *ns = iocb->ns;
+ int bytes;
- len = ns->size;
- offset = 0;
+ if (ret < 0) {
+ iocb->ret = ret;
+ goto done;
+ }
- count = g_new(int, 1);
- *count = 1;
+ assert(ns);
- (*num_formats)++;
+ if (iocb->offset < ns->size) {
+ bytes = MIN(BDRV_REQUEST_MAX_BYTES, ns->size - iocb->offset);
- while (len) {
- ctx = g_new(struct nvme_aio_format_ctx, 1);
- ctx->req = req;
- ctx->ns = ns;
- ctx->count = count;
+ iocb->aiocb = blk_aio_pwrite_zeroes(ns->blkconf.blk, iocb->offset,
+ bytes, BDRV_REQ_MAY_UNMAP,
+ nvme_format_ns_cb, iocb);
- size_t bytes = MIN(BDRV_REQUEST_MAX_BYTES, len);
+ iocb->offset += bytes;
+ return;
+ }
- (*count)++;
+ nvme_format_set(ns, &req->cmd);
+ ns->status = 0x0;
+ iocb->ns = NULL;
+ iocb->offset = 0;
- blk_aio_pwrite_zeroes(blk, offset, bytes, BDRV_REQ_MAY_UNMAP,
- nvme_aio_format_cb, ctx);
+done:
+ iocb->aiocb = NULL;
+ qemu_bh_schedule(iocb->bh);
+}
- offset += bytes;
- len -= bytes;
+static uint16_t nvme_format_check(NvmeNamespace *ns, uint8_t lbaf, uint8_t pi)
+{
+ if (ns->params.zoned) {
+ return NVME_INVALID_FORMAT | NVME_DNR;
+ }
+ if (lbaf > ns->id_ns.nlbaf) {
+ return NVME_INVALID_FORMAT | NVME_DNR;
}
- if (--(*count)) {
- return NVME_NO_COMPLETE;
+ if (pi && (ns->id_ns.lbaf[lbaf].ms < sizeof(NvmeDifTuple))) {
+ return NVME_INVALID_FORMAT | NVME_DNR;
}
- g_free(count);
- ns->status = 0x0;
- (*num_formats)--;
+ if (pi && pi > NVME_ID_NS_DPS_TYPE_3) {
+ return NVME_INVALID_FIELD | NVME_DNR;
+ }
return NVME_SUCCESS;
}
-static uint16_t nvme_format(NvmeCtrl *n, NvmeRequest *req)
+static void nvme_format_bh(void *opaque)
{
- NvmeNamespace *ns;
+ NvmeFormatAIOCB *iocb = opaque;
+ NvmeRequest *req = iocb->req;
+ NvmeCtrl *n = nvme_ctrl(req);
uint32_t dw10 = le32_to_cpu(req->cmd.cdw10);
- uint32_t nsid = le32_to_cpu(req->cmd.nsid);
uint8_t lbaf = dw10 & 0xf;
- uint8_t mset = (dw10 >> 4) & 0x1;
uint8_t pi = (dw10 >> 5) & 0x7;
- uint8_t pil = (dw10 >> 8) & 0x1;
- uintptr_t *num_formats = (uintptr_t *)&req->opaque;
uint16_t status;
int i;
- trace_pci_nvme_format(nvme_cid(req), nsid, lbaf, mset, pi, pil);
-
- /* 1-initialize; see the comment in nvme_dsm */
- *num_formats = 1;
+ if (iocb->ret < 0) {
+ goto done;
+ }
- if (nsid != NVME_NSID_BROADCAST) {
- if (!nvme_nsid_valid(n, nsid)) {
- return NVME_INVALID_NSID | NVME_DNR;
+ if (iocb->broadcast) {
+ for (i = iocb->nsid + 1; i <= NVME_MAX_NAMESPACES; i++) {
+ iocb->ns = nvme_ns(n, i);
+ if (iocb->ns) {
+ iocb->nsid = i;
+ break;
+ }
}
+ }
- ns = nvme_ns(n, nsid);
- if (!ns) {
- return NVME_INVALID_FIELD | NVME_DNR;
- }
+ if (!iocb->ns) {
+ goto done;
+ }
- status = nvme_format_ns(n, ns, lbaf, mset, pi, pil, req);
- if (status && status != NVME_NO_COMPLETE) {
- req->status = status;
+ status = nvme_format_check(iocb->ns, lbaf, pi);
+ if (status) {
+ req->status = status;
+ goto done;
+ }
+
+ iocb->ns->status = NVME_FORMAT_IN_PROGRESS;
+ nvme_format_ns_cb(iocb, 0);
+ return;
+
+done:
+ qemu_bh_delete(iocb->bh);
+ iocb->bh = NULL;
+
+ iocb->common.cb(iocb->common.opaque, iocb->ret);
+
+ qemu_aio_unref(iocb);
+}
+
+static uint16_t nvme_format(NvmeCtrl *n, NvmeRequest *req)
+{
+ NvmeFormatAIOCB *iocb;
+ uint32_t nsid = le32_to_cpu(req->cmd.nsid);
+ uint16_t status;
+
+ iocb = qemu_aio_get(&nvme_format_aiocb_info, NULL, nvme_misc_cb, req);
+
+ iocb->req = req;
+ iocb->bh = qemu_bh_new(nvme_format_bh, iocb);
+ iocb->ret = 0;
+ iocb->ns = NULL;
+ iocb->nsid = 0;
+ iocb->broadcast = (nsid == NVME_NSID_BROADCAST);
+ iocb->offset = 0;
+
+ if (!iocb->broadcast) {
+ if (!nvme_nsid_valid(n, nsid)) {
+ status = NVME_INVALID_NSID | NVME_DNR;
+ goto out;
}
- } else {
- for (i = 1; i <= NVME_MAX_NAMESPACES; i++) {
- ns = nvme_ns(n, i);
- if (!ns) {
- continue;
- }
- status = nvme_format_ns(n, ns, lbaf, mset, pi, pil, req);
- if (status && status != NVME_NO_COMPLETE) {
- req->status = status;
- break;
- }
+ iocb->ns = nvme_ns(n, nsid);
+ if (!iocb->ns) {
+ status = NVME_INVALID_FIELD | NVME_DNR;
+ goto out;
}
}
- /* account for the 1-initialization */
- if (--(*num_formats)) {
- return NVME_NO_COMPLETE;
- }
+ req->aiocb = &iocb->common;
+ qemu_bh_schedule(iocb->bh);
+
+ return NVME_NO_COMPLETE;
- return req->status;
+out:
+ qemu_bh_delete(iocb->bh);
+ iocb->bh = NULL;
+ qemu_aio_unref(iocb);
+ return status;
}
static uint16_t nvme_admin_cmd(NvmeCtrl *n, NvmeRequest *req)
diff --git a/hw/nvme/trace-events b/hw/nvme/trace-events
index dc00c28..48d10c3 100644
--- a/hw/nvme/trace-events
+++ b/hw/nvme/trace-events
@@ -10,9 +10,7 @@ pci_nvme_map_sgl(uint8_t typ, uint64_t len) "type 0x%"PRIx8" len %"PRIu64""
pci_nvme_io_cmd(uint16_t cid, uint32_t nsid, uint16_t sqid, uint8_t opcode, const char *opname) "cid %"PRIu16" nsid 0x%"PRIx32" sqid %"PRIu16" opc 0x%"PRIx8" opname '%s'"
pci_nvme_admin_cmd(uint16_t cid, uint16_t sqid, uint8_t opcode, const char *opname) "cid %"PRIu16" sqid %"PRIu16" opc 0x%"PRIx8" opname '%s'"
pci_nvme_flush_ns(uint32_t nsid) "nsid 0x%"PRIx32""
-pci_nvme_format(uint16_t cid, uint32_t nsid, uint8_t lbaf, uint8_t mset, uint8_t pi, uint8_t pil) "cid %"PRIu16" nsid %"PRIu32" lbaf %"PRIu8" mset %"PRIu8" pi %"PRIu8" pil %"PRIu8""
-pci_nvme_format_ns(uint16_t cid, uint32_t nsid, uint8_t lbaf, uint8_t mset, uint8_t pi, uint8_t pil) "cid %"PRIu16" nsid %"PRIu32" lbaf %"PRIu8" mset %"PRIu8" pi %"PRIu8" pil %"PRIu8""
-pci_nvme_format_cb(uint16_t cid, uint32_t nsid) "cid %"PRIu16" nsid %"PRIu32""
+pci_nvme_format_set(uint32_t nsid, uint8_t lbaf, uint8_t mset, uint8_t pi, uint8_t pil) "nsid %"PRIu32" lbaf %"PRIu8" mset %"PRIu8" pi %"PRIu8" pil %"PRIu8""
pci_nvme_read(uint16_t cid, uint32_t nsid, uint32_t nlb, uint64_t count, uint64_t lba) "cid %"PRIu16" nsid %"PRIu32" nlb %"PRIu32" count %"PRIu64" lba 0x%"PRIx64""
pci_nvme_write(uint16_t cid, const char *verb, uint32_t nsid, uint32_t nlb, uint64_t count, uint64_t lba) "cid %"PRIu16" opname '%s' nsid %"PRIu32" nlb %"PRIu32" count %"PRIu64" lba 0x%"PRIx64""
pci_nvme_rw_cb(uint16_t cid, const char *blkname) "cid %"PRIu16" blk '%s'"
generated by cgit v1.1 at 2024-12-26 05:41:23 +0000