hw/block/nvme: zero out zones on reset
The zoned command set specification states that "All logical blocks in a zone *shall* be marked as deallocated when [the zone is reset]". Since the device guarantees 0x00 to be read from deallocated blocks we have to issue a pwrite_zeroes since we cannot be sure that a discard will do anything. But typically, this will be achieved with an efficient unmap/discard operation. Signed-off-by: Klaus Jensen <k.jensen@samsung.com> Tested-by: Dmitry Fomichev <dmitry.fomichev@wdc.com> Reviewed-by: Dmitry Fomichev <dmitry.fomichev@wdc.com>
This commit is contained in:
parent
b05fde2881
commit
5f5dc4c6a9
150
hw/block/nvme.c
150
hw/block/nvme.c
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@ -1371,6 +1371,53 @@ static void nvme_aio_discard_cb(void *opaque, int ret)
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nvme_enqueue_req_completion(nvme_cq(req), req);
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nvme_enqueue_req_completion(nvme_cq(req), req);
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}
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}
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struct nvme_zone_reset_ctx {
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NvmeRequest *req;
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NvmeZone *zone;
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};
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static void nvme_aio_zone_reset_cb(void *opaque, int ret)
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{
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struct nvme_zone_reset_ctx *ctx = opaque;
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NvmeRequest *req = ctx->req;
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NvmeNamespace *ns = req->ns;
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NvmeZone *zone = ctx->zone;
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uintptr_t *resets = (uintptr_t *)&req->opaque;
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g_free(ctx);
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trace_pci_nvme_aio_zone_reset_cb(nvme_cid(req), zone->d.zslba);
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if (!ret) {
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switch (nvme_get_zone_state(zone)) {
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case NVME_ZONE_STATE_EXPLICITLY_OPEN:
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case NVME_ZONE_STATE_IMPLICITLY_OPEN:
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nvme_aor_dec_open(ns);
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/* fall through */
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case NVME_ZONE_STATE_CLOSED:
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nvme_aor_dec_active(ns);
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/* fall through */
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case NVME_ZONE_STATE_FULL:
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zone->w_ptr = zone->d.zslba;
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zone->d.wp = zone->w_ptr;
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nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_EMPTY);
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/* fall through */
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default:
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break;
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}
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} else {
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nvme_aio_err(req, ret);
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}
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(*resets)--;
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if (*resets) {
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return;
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}
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nvme_enqueue_req_completion(nvme_cq(req), req);
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}
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struct nvme_compare_ctx {
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struct nvme_compare_ctx {
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QEMUIOVector iov;
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QEMUIOVector iov;
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uint8_t *bounce;
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uint8_t *bounce;
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@ -1735,7 +1782,8 @@ static uint16_t nvme_get_mgmt_zone_slba_idx(NvmeNamespace *ns, NvmeCmd *c,
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return NVME_SUCCESS;
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return NVME_SUCCESS;
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}
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}
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typedef uint16_t (*op_handler_t)(NvmeNamespace *, NvmeZone *, NvmeZoneState);
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typedef uint16_t (*op_handler_t)(NvmeNamespace *, NvmeZone *, NvmeZoneState,
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NvmeRequest *);
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enum NvmeZoneProcessingMask {
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enum NvmeZoneProcessingMask {
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NVME_PROC_CURRENT_ZONE = 0,
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NVME_PROC_CURRENT_ZONE = 0,
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@ -1746,7 +1794,7 @@ enum NvmeZoneProcessingMask {
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};
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};
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static uint16_t nvme_open_zone(NvmeNamespace *ns, NvmeZone *zone,
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static uint16_t nvme_open_zone(NvmeNamespace *ns, NvmeZone *zone,
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NvmeZoneState state)
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NvmeZoneState state, NvmeRequest *req)
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{
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{
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uint16_t status;
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uint16_t status;
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@ -1779,7 +1827,7 @@ static uint16_t nvme_open_zone(NvmeNamespace *ns, NvmeZone *zone,
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}
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}
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static uint16_t nvme_close_zone(NvmeNamespace *ns, NvmeZone *zone,
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static uint16_t nvme_close_zone(NvmeNamespace *ns, NvmeZone *zone,
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NvmeZoneState state)
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NvmeZoneState state, NvmeRequest *req)
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{
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{
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switch (state) {
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switch (state) {
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case NVME_ZONE_STATE_EXPLICITLY_OPEN:
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case NVME_ZONE_STATE_EXPLICITLY_OPEN:
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@ -1795,7 +1843,7 @@ static uint16_t nvme_close_zone(NvmeNamespace *ns, NvmeZone *zone,
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}
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}
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static uint16_t nvme_finish_zone(NvmeNamespace *ns, NvmeZone *zone,
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static uint16_t nvme_finish_zone(NvmeNamespace *ns, NvmeZone *zone,
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NvmeZoneState state)
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NvmeZoneState state, NvmeRequest *req)
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{
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{
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switch (state) {
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switch (state) {
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case NVME_ZONE_STATE_EXPLICITLY_OPEN:
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case NVME_ZONE_STATE_EXPLICITLY_OPEN:
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@ -1818,30 +1866,42 @@ static uint16_t nvme_finish_zone(NvmeNamespace *ns, NvmeZone *zone,
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}
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}
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static uint16_t nvme_reset_zone(NvmeNamespace *ns, NvmeZone *zone,
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static uint16_t nvme_reset_zone(NvmeNamespace *ns, NvmeZone *zone,
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NvmeZoneState state)
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NvmeZoneState state, NvmeRequest *req)
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{
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{
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uintptr_t *resets = (uintptr_t *)&req->opaque;
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struct nvme_zone_reset_ctx *ctx;
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switch (state) {
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switch (state) {
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case NVME_ZONE_STATE_EXPLICITLY_OPEN:
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case NVME_ZONE_STATE_IMPLICITLY_OPEN:
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nvme_aor_dec_open(ns);
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/* fall through */
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case NVME_ZONE_STATE_CLOSED:
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nvme_aor_dec_active(ns);
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/* fall through */
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case NVME_ZONE_STATE_FULL:
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zone->w_ptr = zone->d.zslba;
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zone->d.wp = zone->w_ptr;
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nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_EMPTY);
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/* fall through */
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case NVME_ZONE_STATE_EMPTY:
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case NVME_ZONE_STATE_EMPTY:
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return NVME_SUCCESS;
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return NVME_SUCCESS;
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case NVME_ZONE_STATE_EXPLICITLY_OPEN:
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case NVME_ZONE_STATE_IMPLICITLY_OPEN:
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case NVME_ZONE_STATE_CLOSED:
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case NVME_ZONE_STATE_FULL:
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break;
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default:
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default:
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return NVME_ZONE_INVAL_TRANSITION;
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return NVME_ZONE_INVAL_TRANSITION;
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}
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}
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/*
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* The zone reset aio callback needs to know the zone that is being reset
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* in order to transition the zone on completion.
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*/
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ctx = g_new(struct nvme_zone_reset_ctx, 1);
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ctx->req = req;
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ctx->zone = zone;
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(*resets)++;
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blk_aio_pwrite_zeroes(ns->blkconf.blk, nvme_l2b(ns, zone->d.zslba),
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nvme_l2b(ns, ns->zone_size), BDRV_REQ_MAY_UNMAP,
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nvme_aio_zone_reset_cb, ctx);
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return NVME_NO_COMPLETE;
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}
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}
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static uint16_t nvme_offline_zone(NvmeNamespace *ns, NvmeZone *zone,
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static uint16_t nvme_offline_zone(NvmeNamespace *ns, NvmeZone *zone,
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NvmeZoneState state)
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NvmeZoneState state, NvmeRequest *req)
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{
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{
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switch (state) {
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switch (state) {
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case NVME_ZONE_STATE_READ_ONLY:
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case NVME_ZONE_STATE_READ_ONLY:
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@ -1875,7 +1935,7 @@ static uint16_t nvme_set_zd_ext(NvmeNamespace *ns, NvmeZone *zone)
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static uint16_t nvme_bulk_proc_zone(NvmeNamespace *ns, NvmeZone *zone,
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static uint16_t nvme_bulk_proc_zone(NvmeNamespace *ns, NvmeZone *zone,
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enum NvmeZoneProcessingMask proc_mask,
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enum NvmeZoneProcessingMask proc_mask,
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op_handler_t op_hndlr)
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op_handler_t op_hndlr, NvmeRequest *req)
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{
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{
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uint16_t status = NVME_SUCCESS;
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uint16_t status = NVME_SUCCESS;
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NvmeZoneState zs = nvme_get_zone_state(zone);
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NvmeZoneState zs = nvme_get_zone_state(zone);
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@ -1900,7 +1960,7 @@ static uint16_t nvme_bulk_proc_zone(NvmeNamespace *ns, NvmeZone *zone,
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}
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}
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if (proc_zone) {
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if (proc_zone) {
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status = op_hndlr(ns, zone, zs);
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status = op_hndlr(ns, zone, zs, req);
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}
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}
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return status;
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return status;
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@ -1908,42 +1968,46 @@ static uint16_t nvme_bulk_proc_zone(NvmeNamespace *ns, NvmeZone *zone,
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static uint16_t nvme_do_zone_op(NvmeNamespace *ns, NvmeZone *zone,
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static uint16_t nvme_do_zone_op(NvmeNamespace *ns, NvmeZone *zone,
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enum NvmeZoneProcessingMask proc_mask,
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enum NvmeZoneProcessingMask proc_mask,
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op_handler_t op_hndlr)
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op_handler_t op_hndlr, NvmeRequest *req)
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{
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{
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NvmeZone *next;
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NvmeZone *next;
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uint16_t status = NVME_SUCCESS;
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uint16_t status = NVME_SUCCESS;
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int i;
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int i;
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if (!proc_mask) {
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if (!proc_mask) {
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status = op_hndlr(ns, zone, nvme_get_zone_state(zone));
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status = op_hndlr(ns, zone, nvme_get_zone_state(zone), req);
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} else {
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} else {
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if (proc_mask & NVME_PROC_CLOSED_ZONES) {
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if (proc_mask & NVME_PROC_CLOSED_ZONES) {
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QTAILQ_FOREACH_SAFE(zone, &ns->closed_zones, entry, next) {
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QTAILQ_FOREACH_SAFE(zone, &ns->closed_zones, entry, next) {
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status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr);
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status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr,
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if (status != NVME_SUCCESS) {
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req);
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if (status && status != NVME_NO_COMPLETE) {
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goto out;
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goto out;
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}
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}
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}
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}
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}
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}
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if (proc_mask & NVME_PROC_OPENED_ZONES) {
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if (proc_mask & NVME_PROC_OPENED_ZONES) {
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QTAILQ_FOREACH_SAFE(zone, &ns->imp_open_zones, entry, next) {
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QTAILQ_FOREACH_SAFE(zone, &ns->imp_open_zones, entry, next) {
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status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr);
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status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr,
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if (status != NVME_SUCCESS) {
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req);
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if (status && status != NVME_NO_COMPLETE) {
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goto out;
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goto out;
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}
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}
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}
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}
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QTAILQ_FOREACH_SAFE(zone, &ns->exp_open_zones, entry, next) {
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QTAILQ_FOREACH_SAFE(zone, &ns->exp_open_zones, entry, next) {
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status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr);
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status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr,
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if (status != NVME_SUCCESS) {
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req);
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if (status && status != NVME_NO_COMPLETE) {
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goto out;
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goto out;
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}
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}
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}
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}
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}
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}
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if (proc_mask & NVME_PROC_FULL_ZONES) {
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if (proc_mask & NVME_PROC_FULL_ZONES) {
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QTAILQ_FOREACH_SAFE(zone, &ns->full_zones, entry, next) {
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QTAILQ_FOREACH_SAFE(zone, &ns->full_zones, entry, next) {
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status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr);
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status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr,
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if (status != NVME_SUCCESS) {
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req);
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if (status && status != NVME_NO_COMPLETE) {
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goto out;
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goto out;
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}
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}
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}
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}
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@ -1951,8 +2015,9 @@ static uint16_t nvme_do_zone_op(NvmeNamespace *ns, NvmeZone *zone,
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if (proc_mask & NVME_PROC_READ_ONLY_ZONES) {
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if (proc_mask & NVME_PROC_READ_ONLY_ZONES) {
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for (i = 0; i < ns->num_zones; i++, zone++) {
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for (i = 0; i < ns->num_zones; i++, zone++) {
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status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr);
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status = nvme_bulk_proc_zone(ns, zone, proc_mask, op_hndlr,
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if (status != NVME_SUCCESS) {
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req);
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if (status && status != NVME_NO_COMPLETE) {
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goto out;
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goto out;
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}
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}
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}
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}
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@ -1968,6 +2033,7 @@ static uint16_t nvme_zone_mgmt_send(NvmeCtrl *n, NvmeRequest *req)
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NvmeCmd *cmd = (NvmeCmd *)&req->cmd;
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NvmeCmd *cmd = (NvmeCmd *)&req->cmd;
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NvmeNamespace *ns = req->ns;
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NvmeNamespace *ns = req->ns;
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NvmeZone *zone;
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NvmeZone *zone;
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uintptr_t *resets;
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uint8_t *zd_ext;
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uint8_t *zd_ext;
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uint32_t dw13 = le32_to_cpu(cmd->cdw13);
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uint32_t dw13 = le32_to_cpu(cmd->cdw13);
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uint64_t slba = 0;
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uint64_t slba = 0;
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@ -2002,7 +2068,7 @@ static uint16_t nvme_zone_mgmt_send(NvmeCtrl *n, NvmeRequest *req)
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proc_mask = NVME_PROC_CLOSED_ZONES;
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proc_mask = NVME_PROC_CLOSED_ZONES;
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}
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}
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trace_pci_nvme_open_zone(slba, zone_idx, all);
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trace_pci_nvme_open_zone(slba, zone_idx, all);
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status = nvme_do_zone_op(ns, zone, proc_mask, nvme_open_zone);
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status = nvme_do_zone_op(ns, zone, proc_mask, nvme_open_zone, req);
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break;
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break;
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case NVME_ZONE_ACTION_CLOSE:
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case NVME_ZONE_ACTION_CLOSE:
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@ -2010,7 +2076,7 @@ static uint16_t nvme_zone_mgmt_send(NvmeCtrl *n, NvmeRequest *req)
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proc_mask = NVME_PROC_OPENED_ZONES;
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proc_mask = NVME_PROC_OPENED_ZONES;
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}
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}
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trace_pci_nvme_close_zone(slba, zone_idx, all);
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trace_pci_nvme_close_zone(slba, zone_idx, all);
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status = nvme_do_zone_op(ns, zone, proc_mask, nvme_close_zone);
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status = nvme_do_zone_op(ns, zone, proc_mask, nvme_close_zone, req);
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break;
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break;
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case NVME_ZONE_ACTION_FINISH:
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case NVME_ZONE_ACTION_FINISH:
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@ -2018,24 +2084,32 @@ static uint16_t nvme_zone_mgmt_send(NvmeCtrl *n, NvmeRequest *req)
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proc_mask = NVME_PROC_OPENED_ZONES | NVME_PROC_CLOSED_ZONES;
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proc_mask = NVME_PROC_OPENED_ZONES | NVME_PROC_CLOSED_ZONES;
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}
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}
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trace_pci_nvme_finish_zone(slba, zone_idx, all);
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trace_pci_nvme_finish_zone(slba, zone_idx, all);
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status = nvme_do_zone_op(ns, zone, proc_mask, nvme_finish_zone);
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status = nvme_do_zone_op(ns, zone, proc_mask, nvme_finish_zone, req);
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break;
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break;
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case NVME_ZONE_ACTION_RESET:
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case NVME_ZONE_ACTION_RESET:
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resets = (uintptr_t *)&req->opaque;
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if (all) {
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if (all) {
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proc_mask = NVME_PROC_OPENED_ZONES | NVME_PROC_CLOSED_ZONES |
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proc_mask = NVME_PROC_OPENED_ZONES | NVME_PROC_CLOSED_ZONES |
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NVME_PROC_FULL_ZONES;
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NVME_PROC_FULL_ZONES;
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}
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}
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trace_pci_nvme_reset_zone(slba, zone_idx, all);
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trace_pci_nvme_reset_zone(slba, zone_idx, all);
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status = nvme_do_zone_op(ns, zone, proc_mask, nvme_reset_zone);
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break;
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*resets = 1;
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status = nvme_do_zone_op(ns, zone, proc_mask, nvme_reset_zone, req);
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(*resets)--;
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return *resets ? NVME_NO_COMPLETE : req->status;
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case NVME_ZONE_ACTION_OFFLINE:
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case NVME_ZONE_ACTION_OFFLINE:
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if (all) {
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if (all) {
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proc_mask = NVME_PROC_READ_ONLY_ZONES;
|
proc_mask = NVME_PROC_READ_ONLY_ZONES;
|
||||||
}
|
}
|
||||||
trace_pci_nvme_offline_zone(slba, zone_idx, all);
|
trace_pci_nvme_offline_zone(slba, zone_idx, all);
|
||||||
status = nvme_do_zone_op(ns, zone, proc_mask, nvme_offline_zone);
|
status = nvme_do_zone_op(ns, zone, proc_mask, nvme_offline_zone, req);
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case NVME_ZONE_ACTION_SET_ZD_EXT:
|
case NVME_ZONE_ACTION_SET_ZD_EXT:
|
||||||
|
|
|
@ -49,6 +49,7 @@ pci_nvme_dsm_deallocate(uint16_t cid, uint32_t nsid, uint64_t slba, uint32_t nlb
|
||||||
pci_nvme_compare(uint16_t cid, uint32_t nsid, uint64_t slba, uint32_t nlb) "cid %"PRIu16" nsid %"PRIu32" slba 0x%"PRIx64" nlb %"PRIu32""
|
pci_nvme_compare(uint16_t cid, uint32_t nsid, uint64_t slba, uint32_t nlb) "cid %"PRIu16" nsid %"PRIu32" slba 0x%"PRIx64" nlb %"PRIu32""
|
||||||
pci_nvme_compare_cb(uint16_t cid) "cid %"PRIu16""
|
pci_nvme_compare_cb(uint16_t cid) "cid %"PRIu16""
|
||||||
pci_nvme_aio_discard_cb(uint16_t cid) "cid %"PRIu16""
|
pci_nvme_aio_discard_cb(uint16_t cid) "cid %"PRIu16""
|
||||||
|
pci_nvme_aio_zone_reset_cb(uint16_t cid, uint64_t zslba) "cid %"PRIu16" zslba 0x%"PRIx64""
|
||||||
pci_nvme_create_sq(uint64_t addr, uint16_t sqid, uint16_t cqid, uint16_t qsize, uint16_t qflags) "create submission queue, addr=0x%"PRIx64", sqid=%"PRIu16", cqid=%"PRIu16", qsize=%"PRIu16", qflags=%"PRIu16""
|
pci_nvme_create_sq(uint64_t addr, uint16_t sqid, uint16_t cqid, uint16_t qsize, uint16_t qflags) "create submission queue, addr=0x%"PRIx64", sqid=%"PRIu16", cqid=%"PRIu16", qsize=%"PRIu16", qflags=%"PRIu16""
|
||||||
pci_nvme_create_cq(uint64_t addr, uint16_t cqid, uint16_t vector, uint16_t size, uint16_t qflags, int ien) "create completion queue, addr=0x%"PRIx64", cqid=%"PRIu16", vector=%"PRIu16", qsize=%"PRIu16", qflags=%"PRIu16", ien=%d"
|
pci_nvme_create_cq(uint64_t addr, uint16_t cqid, uint16_t vector, uint16_t size, uint16_t qflags, int ien) "create completion queue, addr=0x%"PRIx64", cqid=%"PRIu16", vector=%"PRIu16", qsize=%"PRIu16", qflags=%"PRIu16", ien=%d"
|
||||||
pci_nvme_del_sq(uint16_t qid) "deleting submission queue sqid=%"PRIu16""
|
pci_nvme_del_sq(uint16_t qid) "deleting submission queue sqid=%"PRIu16""
|
||||||
|
|
Loading…
Reference in a new issue