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Sat, 12 Jun 2021 01:47:22 +0200 From: Heinrich Schuchardt To: Keith Busch , Klaus Jensen , Peter Maydell Subject: [PATCH v2 2/3] hw/nvme: namespace parameter for EUI-64 Date: Sat, 12 Jun 2021 01:46:30 +0200 Message-Id: <20210611234631.81314-3-xypron.glpk@gmx.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210611234631.81314-1-xypron.glpk@gmx.de> References: <20210611234631.81314-1-xypron.glpk@gmx.de> MIME-Version: 1.0 X-Provags-ID: V03:K1:ikaJTrTbwerfsh1W0TiLvneShuKJ+um29MmJDJ0X95a2Gl432a3 CPMnBzi+I8Glb2KKbCEE6tcgMo8+sXHClq6ttapLixwBYz3PC5RYhgE4jxVQshmLWZNryHL eXSsVBg8JZma7djiJawiNDj4ZBLPPABAEb24g8JKJ0U4y9z6N+JXts2rIoIMWGfrG4fQGnl 3gtwa6BpGP7Mexk3d4QTA== X-UI-Out-Filterresults: notjunk:1;V03:K0:/TLvCGgWK98=:D9dzfg/Da/7YgWF3QYaxIg Wc3zxG1pC+CMnIN1AObhgVLt4yJusATqh0XtoDe0EPmEimMvGyq7TE6MNzDTkboBS6BTo09Z8 H+LzAPbCjWb20S0wn2M4ux7tiToIeHsjQEOdl1EbGwTpaFXzXTgdIdQXgM/YE+eiQ7AZh4GQC jXlCjnGG6vafqGkdFQT81xSNSRhXNJz2LrmK6vum51RK7UFHaKp1YJ4dir8ZHS0Qmv+JnwRUO x74ULdcpKs3V+StIEa/x0bSG2SlTdf8Y69Mh2mmvjUVHmSJT2Q3O0qxkqCRxHPP8VgLNkAGKo bp02Mp1BE05/ZDk3bZ1F7I2ILvbh+zA+Y6X1G2GQRtiGF3ubGl1Wl9y9YblPc9v+idXSiGV3Q 3HOjMr5jmYrEorYDS/BG3RXU+pZS1/QrdAWUjKYmrMQxFgVBN0mpn+P5VXfZOdJ+jt2jMeo+s i8e5w79pTIwup8TXW96zsvIyINkx2fU7+nSFMeUNKAQBlRhkHehm7I1IuYBnMJrjjl3jKqLyA PtuQHBAGHuHJ1Orn8YmzeD59NJyTl8/XwqW4s4PfznjXqAUeZwXlVFyCw7j3ZC1bLLjc5WaW6 C6I67vvPCPAK60+unZmqmhkbkev07unWSsPbyAQDWO19jG9yLcXPqwGfq041VB8kbwd/+Qw/f FhIMvXnH6fqflH95w74L7D0COhAsPTHijMFAqDJ6pxZuxctxlmMXlWsg6aLDjpgaO3WKKsR8b H8FoDV2VDR2s3PhKpWqVePg5Sc0qEv9Eav2BjUEqHJWLWOw7XicdBtNAbbDNIk4xa8g5YDMNp O8c9JZaYBGR01ojbFGW2COIu5Gq/1IO7O0VXehG/qn0roiUnCXg9gZRsMH8kLtQ7PshhdZ6zG fizuOjzDqyINoGE38vpF7pcTFuWFCmo5VhElJ+feiyq82HJf+i8opI+iE/RvU2+Hxp58fioEr o3R3hcJQyMaWq727oPpWiw2aeBa6qtHYZ3NZPlVHBdikzOOt4oR2gm5BK50hFojDCSwLcBCLW GVkVRmj3KxSURw3dhfvWicGZxWO1209FzGnRE7hPoJgXJoQYS4sWHZKjWkJ6n4zHMuH1w5nyZ Eyar9XD7Hsh95kgy/F78dwNFznhlOTz5U3e Received-SPF: pass client-ip=212.227.15.19; envelope-from=xypron.glpk@gmx.de; helo=mout.gmx.net X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=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: Eduardo Habkost , qemu-block@nongnu.org, Heinrich Schuchardt , Cornelia Huck , qemu-devel@nongnu.org, qemu-arm@nongnu.org, Klaus Jensen Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" The EUI-64 field is the only identifier for NVMe namespaces in UEFI device paths. Add a new namespace property "eui64", that provides the user the option to specify the EUI-64. Signed-off-by: Heinrich Schuchardt Acked-by: Klaus Jensen --- v2: fix typo %s/EUI64/EUI-64/ --- docs/system/nvme.rst | 4 +++ hw/nvme/ctrl.c | 58 ++++++++++++++++++++++++++------------------ hw/nvme/ns.c | 2 ++ hw/nvme/nvme.h | 1 + 4 files changed, 42 insertions(+), 23 deletions(-) -- 2.30.2 diff --git a/docs/system/nvme.rst b/docs/system/nvme.rst index f7f63d6bf6..b5f8288d7c 100644 --- a/docs/system/nvme.rst +++ b/docs/system/nvme.rst @@ -81,6 +81,10 @@ There are a number of parameters available: Set the UUID of the namespace. This will be reported as a "Namespace UUID" descriptor in the Namespace Identification Descriptor List. +``eui64`` + Set the EUI-64 of the namespace. This will be reported as a "IEEE Extended + Unique Identifier" descriptor in the Namespace Identification Descriptor List. + ``bus`` If there are more ``nvme`` devices defined, this parameter may be used to attach the namespace to a specific ``nvme`` device (identified by an ``id`` diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c index 8dd9cb2ccb..f37c4fd635 100644 --- a/hw/nvme/ctrl.c +++ b/hw/nvme/ctrl.c @@ -4436,19 +4436,19 @@ static uint16_t nvme_identify_ns_descr_list(NvmeCtrl *n, NvmeRequest *req) NvmeIdentify *c = (NvmeIdentify *)&req->cmd; uint32_t nsid = le32_to_cpu(c->nsid); uint8_t list[NVME_IDENTIFY_DATA_SIZE] = {}; - - struct data { - struct { - NvmeIdNsDescr hdr; - uint8_t v[NVME_NIDL_UUID]; - } uuid; - struct { - NvmeIdNsDescr hdr; - uint8_t v; - } csi; - }; - - struct data *ns_descrs = (struct data *)list; + uint8_t *pos = list; + struct { + NvmeIdNsDescr hdr; + uint8_t v[NVME_NIDL_UUID]; + } QEMU_PACKED uuid; + struct { + NvmeIdNsDescr hdr; + uint64_t v; + } QEMU_PACKED eui64; + struct { + NvmeIdNsDescr hdr; + uint8_t v; + } QEMU_PACKED csi; trace_pci_nvme_identify_ns_descr_list(nsid); @@ -4462,17 +4462,29 @@ static uint16_t nvme_identify_ns_descr_list(NvmeCtrl *n, NvmeRequest *req) } /* - * Because the NGUID and EUI64 fields are 0 in the Identify Namespace data - * structure, a Namespace UUID (nidt = 3h) must be reported in the - * Namespace Identification Descriptor. Add the namespace UUID here. + * If the EUI-64 field is 0 and the NGUID field is 0, the namespace must + * provide a valid Namespace UUID in the Namespace Identification Descriptor + * data structure. QEMU does not yet support setting NGUID. */ - ns_descrs->uuid.hdr.nidt = NVME_NIDT_UUID; - ns_descrs->uuid.hdr.nidl = NVME_NIDL_UUID; - memcpy(&ns_descrs->uuid.v, ns->params.uuid.data, NVME_NIDL_UUID); - - ns_descrs->csi.hdr.nidt = NVME_NIDT_CSI; - ns_descrs->csi.hdr.nidl = NVME_NIDL_CSI; - ns_descrs->csi.v = ns->csi; + uuid.hdr.nidt = NVME_NIDT_UUID; + uuid.hdr.nidl = NVME_NIDL_UUID; + memcpy(uuid.v, ns->params.uuid.data, NVME_NIDL_UUID); + memcpy(pos, &uuid, sizeof(uuid)); + pos += sizeof(uuid); + + if (ns->params.eui64) { + eui64.hdr.nidt = NVME_NIDT_EUI64; + eui64.hdr.nidl = NVME_NIDL_EUI64; + eui64.v = cpu_to_be64(ns->params.eui64); + memcpy(pos, &eui64, sizeof(eui64)); + pos += sizeof(eui64); + } + + csi.hdr.nidt = NVME_NIDT_CSI; + csi.hdr.nidl = NVME_NIDL_CSI; + csi.v = ns->csi; + memcpy(pos, &csi, sizeof(csi)); + pos += sizeof(csi); return nvme_c2h(n, list, sizeof(list), req); } diff --git a/hw/nvme/ns.c b/hw/nvme/ns.c index 3fec9c6273..45e457de6a 100644 --- a/hw/nvme/ns.c +++ b/hw/nvme/ns.c @@ -77,6 +77,7 @@ static int nvme_ns_init(NvmeNamespace *ns, Error **errp) id_ns->mssrl = cpu_to_le16(ns->params.mssrl); id_ns->mcl = cpu_to_le32(ns->params.mcl); id_ns->msrc = ns->params.msrc; + id_ns->eui64 = cpu_to_be64(ns->params.eui64); ds = 31 - clz32(ns->blkconf.logical_block_size); ms = ns->params.ms; @@ -511,6 +512,7 @@ static Property nvme_ns_props[] = { DEFINE_PROP_BOOL("shared", NvmeNamespace, params.shared, false), DEFINE_PROP_UINT32("nsid", NvmeNamespace, params.nsid, 0), DEFINE_PROP_UUID("uuid", NvmeNamespace, params.uuid), + DEFINE_PROP_UINT64("eui64", NvmeNamespace, params.eui64, 0), DEFINE_PROP_UINT16("ms", NvmeNamespace, params.ms, 0), DEFINE_PROP_UINT8("mset", NvmeNamespace, params.mset, 0), DEFINE_PROP_UINT8("pi", NvmeNamespace, params.pi, 0), diff --git a/hw/nvme/nvme.h b/hw/nvme/nvme.h index 93a7e0e538..ac90e13d7b 100644 --- a/hw/nvme/nvme.h +++ b/hw/nvme/nvme.h @@ -83,6 +83,7 @@ typedef struct NvmeNamespaceParams { bool shared; uint32_t nsid; QemuUUID uuid; + uint64_t eui64; uint16_t ms; uint8_t mset;