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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=64.147.123.26; envelope-from=its@irrelevant.dk; helo=wnew1-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Fam Zheng , Kevin Wolf , qemu-block@nongnu.org, Niklas Cassel , Dmitry Fomichev , Klaus Jensen , Max Reitz , Klaus Jensen , Stefan Hajnoczi , Keith Busch Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" From: Dmitry Fomichev In NVMe 1.4, a namespace must report an ID descriptor of UUID type if it doesn't support EUI64 or NGUID. Add a new namespace property, "uuid", that provides the user the option to either specify the UUID explicitly or have a UUID generated automatically every time a namespace is initialized. Suggested-by: Klaus Jensen Signed-off-by: Dmitry Fomichev Reviewed-by: Keith Busch Reviewed-by: Niklas Cassel Signed-off-by: Klaus Jensen --- hw/block/nvme-ns.h | 1 + hw/block/nvme-ns.c | 1 + hw/block/nvme.c | 9 +++++---- 3 files changed, 7 insertions(+), 4 deletions(-) diff --git a/hw/block/nvme-ns.h b/hw/block/nvme-ns.h index ed3d7e65d597..aeca810fc7a8 100644 --- a/hw/block/nvme-ns.h +++ b/hw/block/nvme-ns.h @@ -21,6 +21,7 @@ =20 typedef struct NvmeNamespaceParams { uint32_t nsid; + QemuUUID uuid; } NvmeNamespaceParams; =20 typedef struct NvmeNamespace { diff --git a/hw/block/nvme-ns.c b/hw/block/nvme-ns.c index a0de53e71878..f6d752b71467 100644 --- a/hw/block/nvme-ns.c +++ b/hw/block/nvme-ns.c @@ -151,6 +151,7 @@ static void nvme_ns_realize(DeviceState *dev, Error **e= rrp) static Property nvme_ns_props[] =3D { DEFINE_BLOCK_PROPERTIES(NvmeNamespace, blkconf), DEFINE_PROP_UINT32("nsid", NvmeNamespace, params.nsid, 0), + DEFINE_PROP_UUID("uuid", NvmeNamespace, params.uuid), DEFINE_PROP_END_OF_LIST(), }; =20 diff --git a/hw/block/nvme.c b/hw/block/nvme.c index f54c5c6ea44d..7b243a56efdf 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -1765,6 +1765,7 @@ static uint16_t nvme_identify_nslist(NvmeCtrl *n, Nvm= eRequest *req) =20 static uint16_t nvme_identify_ns_descr_list(NvmeCtrl *n, NvmeRequest *req) { + NvmeNamespace *ns; NvmeIdentify *c =3D (NvmeIdentify *)&req->cmd; uint32_t nsid =3D le32_to_cpu(c->nsid); uint8_t list[NVME_IDENTIFY_DATA_SIZE]; @@ -1784,7 +1785,8 @@ static uint16_t nvme_identify_ns_descr_list(NvmeCtrl = *n, NvmeRequest *req) return NVME_INVALID_NSID | NVME_DNR; } =20 - if (unlikely(!nvme_ns(n, nsid))) { + ns =3D nvme_ns(n, nsid); + if (unlikely(!ns)) { return NVME_INVALID_FIELD | NVME_DNR; } =20 @@ -1793,12 +1795,11 @@ static uint16_t nvme_identify_ns_descr_list(NvmeCtr= l *n, NvmeRequest *req) /* * Because the NGUID and EUI64 fields are 0 in the Identify Namespace = data * structure, a Namespace UUID (nidt =3D 0x3) must be reported in the - * Namespace Identification Descriptor. Add a very basic Namespace UUID - * here. + * Namespace Identification Descriptor. Add the namespace UUID here. */ ns_descrs->uuid.hdr.nidt =3D NVME_NIDT_UUID; ns_descrs->uuid.hdr.nidl =3D NVME_NIDT_UUID_LEN; - stl_be_p(&ns_descrs->uuid.v, nsid); + memcpy(&ns_descrs->uuid.v, ns->params.uuid.data, NVME_NIDT_UUID_LEN); =20 return nvme_dma(n, list, NVME_IDENTIFY_DATA_SIZE, DMA_DIRECTION_FROM_DEVICE, req); --=20 2.30.0