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From: Klaus Jensen <its@irrelevant.dk>
To: qemu-devel@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>,
	qemu-block@nongnu.org, Klaus Jensen <k.jensen@samsung.com>,
	Max Reitz <mreitz@redhat.com>, Keith Busch <kbusch@kernel.org>,
	Klaus Jensen <its@irrelevant.dk>
Subject: [PATCH 08/14] hw/block/nvme: cache lba and ms sizes
Date: Mon, 19 Apr 2021 21:27:55 +0200	[thread overview]
Message-ID: <20210419192801.62255-9-its@irrelevant.dk> (raw)
In-Reply-To: <20210419192801.62255-1-its@irrelevant.dk>

From: Klaus Jensen <k.jensen@samsung.com>

There is no need to look up the lba size and metadata size in the LBA
Format structure everytime we want to use it. And we use it a lot.

Cache the values in the NvmeNamespace and update them if the namespace
is formatted.

Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
---
 hw/block/nvme.h     | 37 ++++-------------------------------
 hw/block/nvme-dif.c | 45 ++++++++++++++++++-------------------------
 hw/block/nvme-ns.c  | 26 +++++++++++++------------
 hw/block/nvme.c     | 47 ++++++++++++++++++---------------------------
 4 files changed, 56 insertions(+), 99 deletions(-)

diff --git a/hw/block/nvme.h b/hw/block/nvme.h
index d9bee7e5a05c..dc065e57b509 100644
--- a/hw/block/nvme.h
+++ b/hw/block/nvme.h
@@ -109,6 +109,8 @@ typedef struct NvmeNamespace {
     int64_t      size;
     int64_t      mdata_offset;
     NvmeIdNs     id_ns;
+    NvmeLBAF     lbaf;
+    size_t       lbasz;
     const uint32_t *iocs;
     uint8_t      csi;
     uint16_t     status;
@@ -146,36 +148,14 @@ static inline uint32_t nvme_nsid(NvmeNamespace *ns)
     return 0;
 }
 
-static inline NvmeLBAF *nvme_ns_lbaf(NvmeNamespace *ns)
-{
-    NvmeIdNs *id_ns = &ns->id_ns;
-    return &id_ns->lbaf[NVME_ID_NS_FLBAS_INDEX(id_ns->flbas)];
-}
-
-static inline uint8_t nvme_ns_lbads(NvmeNamespace *ns)
-{
-    return nvme_ns_lbaf(ns)->ds;
-}
-
-/* convert an LBA to the equivalent in bytes */
 static inline size_t nvme_l2b(NvmeNamespace *ns, uint64_t lba)
 {
-    return lba << nvme_ns_lbads(ns);
-}
-
-static inline size_t nvme_lsize(NvmeNamespace *ns)
-{
-    return 1 << nvme_ns_lbads(ns);
-}
-
-static inline uint16_t nvme_msize(NvmeNamespace *ns)
-{
-    return nvme_ns_lbaf(ns)->ms;
+    return lba << ns->lbaf.ds;
 }
 
 static inline size_t nvme_m2b(NvmeNamespace *ns, uint64_t lba)
 {
-    return nvme_msize(ns) * lba;
+    return ns->lbaf.ms * lba;
 }
 
 static inline bool nvme_ns_ext(NvmeNamespace *ns)
@@ -183,15 +163,6 @@ static inline bool nvme_ns_ext(NvmeNamespace *ns)
     return !!NVME_ID_NS_FLBAS_EXTENDED(ns->id_ns.flbas);
 }
 
-/* calculate the number of LBAs that the namespace can accomodate */
-static inline uint64_t nvme_ns_nlbas(NvmeNamespace *ns)
-{
-    if (nvme_msize(ns)) {
-        return ns->size / (nvme_lsize(ns) + nvme_msize(ns));
-    }
-    return ns->size >> nvme_ns_lbads(ns);
-}
-
 static inline NvmeZoneState nvme_get_zone_state(NvmeZone *zone)
 {
     return zone->d.zs >> 4;
diff --git a/hw/block/nvme-dif.c b/hw/block/nvme-dif.c
index e269d275ebed..c72e43195abf 100644
--- a/hw/block/nvme-dif.c
+++ b/hw/block/nvme-dif.c
@@ -44,20 +44,18 @@ void nvme_dif_pract_generate_dif(NvmeNamespace *ns, uint8_t *buf, size_t len,
                                  uint32_t reftag)
 {
     uint8_t *end = buf + len;
-    size_t lsize = nvme_lsize(ns);
-    size_t msize = nvme_msize(ns);
     int16_t pil = 0;
 
     if (!(ns->id_ns.dps & NVME_ID_NS_DPS_FIRST_EIGHT)) {
-        pil = nvme_msize(ns) - sizeof(NvmeDifTuple);
+        pil = ns->lbaf.ms - sizeof(NvmeDifTuple);
     }
 
-    trace_pci_nvme_dif_pract_generate_dif(len, lsize, lsize + pil, apptag,
-                                          reftag);
+    trace_pci_nvme_dif_pract_generate_dif(len, ns->lbasz, ns->lbasz + pil,
+                                          apptag, reftag);
 
-    for (; buf < end; buf += lsize, mbuf += msize) {
+    for (; buf < end; buf += ns->lbasz, mbuf += ns->lbaf.ms) {
         NvmeDifTuple *dif = (NvmeDifTuple *)(mbuf + pil);
-        uint16_t crc = crc_t10dif(0x0, buf, lsize);
+        uint16_t crc = crc_t10dif(0x0, buf, ns->lbasz);
 
         if (pil) {
             crc = crc_t10dif(crc, mbuf, pil);
@@ -98,7 +96,7 @@ static uint16_t nvme_dif_prchk(NvmeNamespace *ns, NvmeDifTuple *dif,
     }
 
     if (ctrl & NVME_RW_PRINFO_PRCHK_GUARD) {
-        uint16_t crc = crc_t10dif(0x0, buf, nvme_lsize(ns));
+        uint16_t crc = crc_t10dif(0x0, buf, ns->lbasz);
 
         if (pil) {
             crc = crc_t10dif(crc, mbuf, pil);
@@ -137,8 +135,6 @@ uint16_t nvme_dif_check(NvmeNamespace *ns, uint8_t *buf, size_t len,
                         uint16_t appmask, uint32_t reftag)
 {
     uint8_t *end = buf + len;
-    size_t lsize = nvme_lsize(ns);
-    size_t msize = nvme_msize(ns);
     int16_t pil = 0;
     uint16_t status;
 
@@ -148,12 +144,12 @@ uint16_t nvme_dif_check(NvmeNamespace *ns, uint8_t *buf, size_t len,
     }
 
     if (!(ns->id_ns.dps & NVME_ID_NS_DPS_FIRST_EIGHT)) {
-        pil = nvme_msize(ns) - sizeof(NvmeDifTuple);
+        pil = ns->lbaf.ms - sizeof(NvmeDifTuple);
     }
 
-    trace_pci_nvme_dif_check(NVME_RW_PRINFO(ctrl), lsize + pil);
+    trace_pci_nvme_dif_check(NVME_RW_PRINFO(ctrl), ns->lbasz + pil);
 
-    for (; buf < end; buf += lsize, mbuf += msize) {
+    for (; buf < end; buf += ns->lbasz, mbuf += ns->lbaf.ms) {
         NvmeDifTuple *dif = (NvmeDifTuple *)(mbuf + pil);
 
         status = nvme_dif_prchk(ns, dif, buf, mbuf, pil, ctrl, apptag,
@@ -176,20 +172,18 @@ uint16_t nvme_dif_mangle_mdata(NvmeNamespace *ns, uint8_t *mbuf, size_t mlen,
     BlockBackend *blk = ns->blkconf.blk;
     BlockDriverState *bs = blk_bs(blk);
 
-    size_t msize = nvme_msize(ns);
-    size_t lsize = nvme_lsize(ns);
     int64_t moffset = 0, offset = nvme_l2b(ns, slba);
     uint8_t *mbufp, *end;
     bool zeroed;
     int16_t pil = 0;
-    int64_t bytes = (mlen / msize) * lsize;
+    int64_t bytes = (mlen / ns->lbaf.ms) << ns->lbaf.ds;
     int64_t pnum = 0;
 
     Error *err = NULL;
 
 
     if (!(ns->id_ns.dps & NVME_ID_NS_DPS_FIRST_EIGHT)) {
-        pil = nvme_msize(ns) - sizeof(NvmeDifTuple);
+        pil = ns->lbaf.ms - sizeof(NvmeDifTuple);
     }
 
     do {
@@ -211,15 +205,15 @@ uint16_t nvme_dif_mangle_mdata(NvmeNamespace *ns, uint8_t *mbuf, size_t mlen,
 
         if (zeroed) {
             mbufp = mbuf + moffset;
-            mlen = (pnum / lsize) * msize;
+            mlen = (pnum >> ns->lbaf.ds) * ns->lbaf.ms;
             end = mbufp + mlen;
 
-            for (; mbufp < end; mbufp += msize) {
+            for (; mbufp < end; mbufp += ns->lbaf.ms) {
                 memset(mbufp + pil, 0xff, sizeof(NvmeDifTuple));
             }
         }
 
-        moffset += (pnum / lsize) * msize;
+        moffset += (pnum >> ns->lbaf.ds) * ns->lbaf.ms;
         offset += pnum;
     } while (pnum != bytes);
 
@@ -289,7 +283,7 @@ static void nvme_dif_rw_check_cb(void *opaque, int ret)
         goto out;
     }
 
-    if (ctrl & NVME_RW_PRINFO_PRACT && nvme_msize(ns) == 8) {
+    if (ctrl & NVME_RW_PRINFO_PRACT && ns->lbaf.ms == 8) {
         goto out;
     }
 
@@ -393,8 +387,7 @@ uint16_t nvme_dif_rw(NvmeCtrl *n, NvmeRequest *req)
 
         if (pract) {
             uint8_t *mbuf, *end;
-            size_t msize = nvme_msize(ns);
-            int16_t pil = msize - sizeof(NvmeDifTuple);
+            int16_t pil = ns->lbaf.ms - sizeof(NvmeDifTuple);
 
             status = nvme_check_prinfo(ns, ctrl, slba, reftag);
             if (status) {
@@ -415,7 +408,7 @@ uint16_t nvme_dif_rw(NvmeCtrl *n, NvmeRequest *req)
                 pil = 0;
             }
 
-            for (; mbuf < end; mbuf += msize) {
+            for (; mbuf < end; mbuf += ns->lbaf.ms) {
                 NvmeDifTuple *dif = (NvmeDifTuple *)(mbuf + pil);
 
                 dif->apptag = cpu_to_be16(apptag);
@@ -434,7 +427,7 @@ uint16_t nvme_dif_rw(NvmeCtrl *n, NvmeRequest *req)
         return NVME_NO_COMPLETE;
     }
 
-    if (nvme_ns_ext(ns) && !(pract && nvme_msize(ns) == 8)) {
+    if (nvme_ns_ext(ns) && !(pract && ns->lbaf.ms == 8)) {
         mapped_len += mlen;
     }
 
@@ -468,7 +461,7 @@ uint16_t nvme_dif_rw(NvmeCtrl *n, NvmeRequest *req)
     qemu_iovec_init(&ctx->mdata.iov, 1);
     qemu_iovec_add(&ctx->mdata.iov, ctx->mdata.bounce, mlen);
 
-    if (!(pract && nvme_msize(ns) == 8)) {
+    if (!(pract && ns->lbaf.ms == 8)) {
         status = nvme_bounce_mdata(n, ctx->mdata.bounce, ctx->mdata.iov.size,
                                    NVME_TX_DIRECTION_TO_DEVICE, req);
         if (status) {
diff --git a/hw/block/nvme-ns.c b/hw/block/nvme-ns.c
index 35c146633223..2224b497e4b5 100644
--- a/hw/block/nvme-ns.c
+++ b/hw/block/nvme-ns.c
@@ -31,7 +31,10 @@ void nvme_ns_init_format(NvmeNamespace *ns)
     BlockDriverInfo bdi;
     int npdg, nlbas, ret;
 
-    nlbas = nvme_ns_nlbas(ns);
+    ns->lbaf = id_ns->lbaf[NVME_ID_NS_FLBAS_INDEX(id_ns->flbas)];
+    ns->lbasz = 1 << ns->lbaf.ds;
+
+    nlbas = ns->size / (ns->lbasz + ns->lbaf.ms);
 
     id_ns->nsze = cpu_to_le64(nlbas);
 
@@ -39,13 +42,13 @@ void nvme_ns_init_format(NvmeNamespace *ns)
     id_ns->ncap = id_ns->nsze;
     id_ns->nuse = id_ns->ncap;
 
-    ns->mdata_offset = nvme_l2b(ns, nlbas);
+    ns->mdata_offset = (int64_t)nlbas << ns->lbaf.ds;
 
-    npdg = ns->blkconf.discard_granularity / nvme_lsize(ns);
+    npdg = ns->blkconf.discard_granularity / ns->lbasz;
 
     ret = bdrv_get_info(blk_bs(ns->blkconf.blk), &bdi);
     if (ret >= 0 && bdi.cluster_size > ns->blkconf.discard_granularity) {
-        npdg = bdi.cluster_size / nvme_lsize(ns);
+        npdg = bdi.cluster_size / ns->lbasz;
     }
 
     id_ns->npda = id_ns->npdg = npdg - 1;
@@ -163,7 +166,6 @@ static int nvme_ns_init_blk(NvmeNamespace *ns, Error **errp)
 static int nvme_ns_zoned_check_calc_geometry(NvmeNamespace *ns, Error **errp)
 {
     uint64_t zone_size, zone_cap;
-    uint32_t lbasz = nvme_lsize(ns);
 
     /* Make sure that the values of ZNS properties are sane */
     if (ns->params.zone_size_bs) {
@@ -181,14 +183,14 @@ static int nvme_ns_zoned_check_calc_geometry(NvmeNamespace *ns, Error **errp)
                    "zone size %"PRIu64"B", zone_cap, zone_size);
         return -1;
     }
-    if (zone_size < lbasz) {
+    if (zone_size < ns->lbasz) {
         error_setg(errp, "zone size %"PRIu64"B too small, "
-                   "must be at least %"PRIu32"B", zone_size, lbasz);
+                   "must be at least %zuB", zone_size, ns->lbasz);
         return -1;
     }
-    if (zone_cap < lbasz) {
+    if (zone_cap < ns->lbasz) {
         error_setg(errp, "zone capacity %"PRIu64"B too small, "
-                   "must be at least %"PRIu32"B", zone_cap, lbasz);
+                   "must be at least %zuB", zone_cap, ns->lbasz);
         return -1;
     }
 
@@ -196,9 +198,9 @@ static int nvme_ns_zoned_check_calc_geometry(NvmeNamespace *ns, Error **errp)
      * Save the main zone geometry values to avoid
      * calculating them later again.
      */
-    ns->zone_size = zone_size / lbasz;
-    ns->zone_capacity = zone_cap / lbasz;
-    ns->num_zones = nvme_ns_nlbas(ns) / ns->zone_size;
+    ns->zone_size = zone_size / ns->lbasz;
+    ns->zone_capacity = zone_cap / ns->lbasz;
+    ns->num_zones = le64_to_cpu(ns->id_ns.nsze) / ns->zone_size;
 
     /* Do a few more sanity checks of ZNS properties */
     if (!ns->num_zones) {
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index bcef6038ae09..fcc0fe72dc33 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -506,9 +506,7 @@ static void nvme_sg_split(NvmeSg *sg, NvmeNamespace *ns, NvmeSg *data,
                           NvmeSg *mdata)
 {
     NvmeSg *dst = data;
-    size_t size = nvme_lsize(ns);
-    size_t msize = nvme_msize(ns);
-    uint32_t trans_len, count = size;
+    uint32_t trans_len, count = ns->lbasz;
     uint64_t offset = 0;
     bool dma = sg->flags & NVME_SG_DMA;
     size_t sge_len;
@@ -540,7 +538,7 @@ static void nvme_sg_split(NvmeSg *sg, NvmeNamespace *ns, NvmeSg *data,
 
         if (count == 0) {
             dst = (dst == data) ? mdata : data;
-            count = (dst == data) ? size : msize;
+            count = (dst == data) ? ns->lbasz : ns->lbaf.ms;
         }
 
         if (sge_len == offset) {
@@ -999,7 +997,7 @@ static uint16_t nvme_map_data(NvmeCtrl *n, uint32_t nlb, NvmeRequest *req)
     uint16_t status;
 
     if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) &&
-        (ctrl & NVME_RW_PRINFO_PRACT && nvme_msize(ns) == 8)) {
+        (ctrl & NVME_RW_PRINFO_PRACT && ns->lbaf.ms == 8)) {
         goto out;
     }
 
@@ -1182,12 +1180,9 @@ uint16_t nvme_bounce_data(NvmeCtrl *n, uint8_t *ptr, uint32_t len,
     uint16_t ctrl = le16_to_cpu(rw->control);
 
     if (nvme_ns_ext(ns) &&
-        !(ctrl & NVME_RW_PRINFO_PRACT && nvme_msize(ns) == 8)) {
-        size_t lsize = nvme_lsize(ns);
-        size_t msize = nvme_msize(ns);
-
-        return nvme_tx_interleaved(n, &req->sg, ptr, len, lsize, msize, 0,
-                                   dir);
+        !(ctrl & NVME_RW_PRINFO_PRACT && ns->lbaf.ms == 8)) {
+        return nvme_tx_interleaved(n, &req->sg, ptr, len, ns->lbasz,
+                                   ns->lbaf.ms, 0, dir);
     }
 
     return nvme_tx(n, &req->sg, ptr, len, dir);
@@ -1200,11 +1195,8 @@ uint16_t nvme_bounce_mdata(NvmeCtrl *n, uint8_t *ptr, uint32_t len,
     uint16_t status;
 
     if (nvme_ns_ext(ns)) {
-        size_t lsize = nvme_lsize(ns);
-        size_t msize = nvme_msize(ns);
-
-        return nvme_tx_interleaved(n, &req->sg, ptr, len, msize, lsize, lsize,
-                                   dir);
+        return nvme_tx_interleaved(n, &req->sg, ptr, len, ns->lbaf.ms,
+                                   ns->lbasz, ns->lbasz, dir);
     }
 
     nvme_sg_unmap(&req->sg);
@@ -1831,7 +1823,7 @@ static void nvme_rw_cb(void *opaque, int ret)
         goto out;
     }
 
-    if (nvme_msize(ns)) {
+    if (ns->lbaf.ms) {
         NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd;
         uint64_t slba = le64_to_cpu(rw->slba);
         uint32_t nlb = (uint32_t)le16_to_cpu(rw->nlb) + 1;
@@ -2103,7 +2095,7 @@ static void nvme_aio_zone_reset_cb(void *opaque, int ret)
         goto out;
     }
 
-    if (nvme_msize(ns)) {
+    if (ns->lbaf.ms) {
         int64_t offset = ns->mdata_offset + nvme_m2b(ns, zone->d.zslba);
 
         blk_aio_pwrite_zeroes(ns->blkconf.blk, offset,
@@ -2172,7 +2164,7 @@ static void nvme_copy_cb(void *opaque, int ret)
         goto out;
     }
 
-    if (nvme_msize(ns)) {
+    if (ns->lbaf.ms) {
         NvmeCopyCmd *copy = (NvmeCopyCmd *)&req->cmd;
         uint64_t sdlba = le64_to_cpu(copy->sdlba);
         int64_t offset = ns->mdata_offset + nvme_m2b(ns, sdlba);
@@ -2386,7 +2378,6 @@ static void nvme_compare_mdata_cb(void *opaque, int ret)
         uint8_t *bufp;
         uint8_t *mbufp = ctx->mdata.bounce;
         uint8_t *end = mbufp + ctx->mdata.iov.size;
-        size_t msize = nvme_msize(ns);
         int16_t pil = 0;
 
         status = nvme_dif_check(ns, ctx->data.bounce, ctx->data.iov.size,
@@ -2402,11 +2393,11 @@ static void nvme_compare_mdata_cb(void *opaque, int ret)
          * tuple.
          */
         if (!(ns->id_ns.dps & NVME_ID_NS_DPS_FIRST_EIGHT)) {
-            pil = nvme_msize(ns) - sizeof(NvmeDifTuple);
+            pil = ns->lbaf.ms - sizeof(NvmeDifTuple);
         }
 
-        for (bufp = buf; mbufp < end; bufp += msize, mbufp += msize) {
-            if (memcmp(bufp + pil, mbufp + pil, msize - pil)) {
+        for (bufp = buf; mbufp < end; bufp += ns->lbaf.ms, mbufp += ns->lbaf.ms) {
+            if (memcmp(bufp + pil, mbufp + pil, ns->lbaf.ms - pil)) {
                 req->status = NVME_CMP_FAILURE;
                 goto out;
             }
@@ -2467,7 +2458,7 @@ static void nvme_compare_data_cb(void *opaque, int ret)
         goto out;
     }
 
-    if (nvme_msize(ns)) {
+    if (ns->lbaf.ms) {
         NvmeRwCmd *rw = (NvmeRwCmd *)&req->cmd;
         uint64_t slba = le64_to_cpu(rw->slba);
         uint32_t nlb = le16_to_cpu(rw->nlb) + 1;
@@ -2715,7 +2706,7 @@ static uint16_t nvme_copy(NvmeCtrl *n, NvmeRequest *req)
     }
 
     bounce = bouncep = g_malloc(nvme_l2b(ns, nlb));
-    if (nvme_msize(ns)) {
+    if (ns->lbaf.ms) {
         mbounce = mbouncep = g_malloc(nvme_m2b(ns, nlb));
     }
 
@@ -2751,7 +2742,7 @@ static uint16_t nvme_copy(NvmeCtrl *n, NvmeRequest *req)
 
         bouncep += len;
 
-        if (nvme_msize(ns)) {
+        if (ns->lbaf.ms) {
             len = nvme_m2b(ns, nlb);
             offset = ns->mdata_offset + nvme_m2b(ns, slba);
 
@@ -2922,7 +2913,7 @@ static uint16_t nvme_read(NvmeCtrl *n, NvmeRequest *req)
         if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) {
             bool pract = ctrl & NVME_RW_PRINFO_PRACT;
 
-            if (pract && nvme_msize(ns) == 8) {
+            if (pract && ns->lbaf.ms == 8) {
                 mapped_size = data_size;
             }
         }
@@ -2999,7 +2990,7 @@ static uint16_t nvme_do_write(NvmeCtrl *n, NvmeRequest *req, bool append,
         if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) {
             bool pract = ctrl & NVME_RW_PRINFO_PRACT;
 
-            if (pract && nvme_msize(ns) == 8) {
+            if (pract && ns->lbaf.ms == 8) {
                 mapped_size -= nvme_m2b(ns, nlb);
             }
         }
-- 
2.31.1



  parent reply	other threads:[~2021-04-19 20:12 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-19 19:27 [PATCH 00/14] hw(/block/)nvme: spring cleaning Klaus Jensen
2021-04-19 19:27 ` [PATCH 01/14] hw/block/nvme: rename __nvme_zrm_open Klaus Jensen
2021-04-20  5:53   ` Thomas Huth
2021-04-20  7:16     ` Klaus Jensen
2021-04-19 19:27 ` [PATCH 02/14] hw/block/nvme: rename __nvme_advance_zone_wp Klaus Jensen
2021-04-20  5:53   ` Thomas Huth
2021-04-19 19:27 ` [PATCH 03/14] hw/block/nvme: rename __nvme_select_ns_iocs Klaus Jensen
2021-04-20  5:56   ` Thomas Huth
2021-04-19 19:27 ` [PATCH 04/14] hw/block/nvme: consolidate header files Klaus Jensen
2021-04-19 19:27 ` [PATCH 05/14] hw/block/nvme: cleanup includes Klaus Jensen
2021-04-19 19:27 ` [PATCH 06/14] hw/block/nvme: remove non-shared defines from header file Klaus Jensen
2021-04-19 19:27 ` [PATCH 07/14] hw/block/nvme: replace nvme_ns_status Klaus Jensen
2021-04-19 19:27 ` Klaus Jensen [this message]
2021-04-19 19:27 ` [PATCH 09/14] hw/block/nvme: add metadata offset helper Klaus Jensen
2021-04-19 19:27 ` [PATCH 10/14] hw/block/nvme: streamline namespace array indexing Klaus Jensen
2021-04-19 19:27 ` [PATCH 11/14] hw/block/nvme: remove num_namespaces member Klaus Jensen
2021-04-19 19:27 ` [PATCH 12/14] hw/block/nvme: remove irrelevant zone resource checks Klaus Jensen
2021-04-19 19:28 ` [PATCH 13/14] hw/block/nvme: move zoned constraints checks Klaus Jensen
2021-04-19 19:28 ` [PATCH 14/14] hw/nvme: move nvme emulation out of hw/block Klaus Jensen
2021-04-21 18:04   ` Klaus Jensen
2021-04-20 17:22 ` [PATCH 00/14] hw(/block/)nvme: spring cleaning Keith Busch
2021-04-26  8:02 ` Klaus Jensen

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