diff --git a/hw/block/nvme-ns.c b/hw/block/nvme-ns.c index d35c2925ec..7a5a779837 100644 --- a/hw/block/nvme-ns.c +++ b/hw/block/nvme-ns.c @@ -90,10 +90,6 @@ static int nvme_ns_init_blk(NvmeCtrl *n, NvmeNamespace *ns, Error **errp) return -1; } - if (blk_enable_write_cache(ns->blkconf.blk)) { - n->features.vwc = 0x1; - } - return 0; } diff --git a/hw/block/nvme.c b/hw/block/nvme.c index 35f39ecd95..0b002cb2be 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -3097,6 +3097,7 @@ static uint16_t nvme_get_feature(NvmeCtrl *n, NvmeRequest *req) NvmeGetFeatureSelect sel = NVME_GETFEAT_SELECT(dw10); uint16_t iv; NvmeNamespace *ns; + int i; static const uint32_t nvme_feature_default[NVME_FID_MAX] = { [NVME_ARBITRATION] = NVME_ARB_AB_NOLIMIT, @@ -3172,7 +3173,17 @@ static uint16_t nvme_get_feature(NvmeCtrl *n, NvmeRequest *req) result = ns->features.err_rec; goto out; case NVME_VOLATILE_WRITE_CACHE: - result = n->features.vwc; + for (i = 1; i <= n->num_namespaces; i++) { + ns = nvme_ns(n, i); + if (!ns) { + continue; + } + + result = blk_enable_write_cache(ns->blkconf.blk); + if (result) { + break; + } + } trace_pci_nvme_getfeat_vwcache(result ? "enabled" : "disabled"); goto out; case NVME_ASYNCHRONOUS_EVENT_CONF: @@ -3335,8 +3346,6 @@ static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeRequest *req) ns->features.err_rec = dw11; break; case NVME_VOLATILE_WRITE_CACHE: - n->features.vwc = dw11 & 0x1; - for (i = 1; i <= n->num_namespaces; i++) { ns = nvme_ns(n, i); if (!ns) { diff --git a/hw/block/nvme.h b/hw/block/nvme.h index 65540b650e..347c149e79 100644 --- a/hw/block/nvme.h +++ b/hw/block/nvme.h @@ -121,7 +121,6 @@ typedef struct NvmeFeatureVal { uint16_t temp_thresh_low; }; uint32_t async_config; - uint32_t vwc; } NvmeFeatureVal; typedef struct NvmeCtrl {