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a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1623239248; bh=h3bG2d6O9wbNXJDc9w8ab19YVU4DdZVbv2as6OzqpWI=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date; b=AUCtrOlSekmMpRMrFnn/T/JOGrDJR4X/PRD6aYM+YwUgyXRpa8hqD3om/zLql5dkf /3xZK/eG+zQuLw1QFKIgtpOLD8mrfx932X4VAWt+y27UTAShpy51DLQpOcCJ5fLdVg DxsNiHLKX4/KFQyyGZnfuH0+/Q8jmFNz7sp89eOM= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from LT02.fritz.box ([62.143.247.63]) by mail.gmx.net (mrgmx005 [212.227.17.184]) with ESMTPSA (Nemesis) id 1Mlf4S-1lQvKs1s7W-00igfJ; Wed, 09 Jun 2021 13:47:28 +0200 From: Heinrich Schuchardt To: qemu-devel@nongnu.org Subject: [PATCH 1/1] hw/nvme: namespace parameter for EUI64 Date: Wed, 9 Jun 2021 13:46:57 +0200 Message-Id: <20210609114657.33301-1-xypron.glpk@gmx.de> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 X-Provags-ID: V03:K1:CTqidYWfLnGOC/ReC4+IIE9GomLM9+Ejd7UYKCZUE541mQp7XIu X8tsELcPfacXdmD0unxiv7o0t6P+iKnDWnSjNrOheXZHnIqLTJWclTEMDkOk5mRipgFU/YR /B4O954KSIJIaciGTT5UGpSHJx7cR0iz4AOC0wl/RJ3MuuI8j7jVj9Yiqbzny8ua+PdoW7H VyNpyKYl+Hv0WWgqQw2iA== X-UI-Out-Filterresults: notjunk:1;V03:K0:SeczRVwY3Kg=:efjEf7GLnzu/yUPoOk24Ih MVz5vdCRWXZBiqDFZU8cGVSoh5LyHOpptOKUYmUopAanSi3xXLKZnC1gT5ObxvhTTDC9j/IUs 4WdzMBKHKwGdnzrUKSsDFbJXoFvQJTr25XkQRdFNUTePUKJmqBQjwKm+E/cR+TR390zxkv+45 hMQ9tCwhC1as4U1wkFKX7Kx0OEhVnx3v1osmgVG+8mdY0pTUr3PiBldjR54fc/X8uXi3M2omh ATHA9Z9PJAYi4WeUP01qjNfH2sjjeMe3l8xl4qHb8WfeUzs9c6bdQxV60nJmnLAcgkuc09itg gc2QlYFJxHEkOZG1mmARWn3rlJnPXCTtX6w0tNXmHes3J0S1/MWss5JTOPfAgBOU9YMDVJkJB rpuQW5awtKphu9khayGn3hmMk23Ya+1nu2Qc0CLKmgllOcKJ09f3az18tzb/zimyD4/qXCcLk g8vfQ3hp4EzKtHyWjffJ8+BfnVv0LN5jKUUkJ8m4JJMXAws0SWqDGtCwdzr3atydJQVHFZ7Rn GegIfRf3euECTBn2VUnr14EtZIuVzJ7ZDLDTBy1ZtobA1E0kBw+IIW/5wW7TRuUZN8izZ4kbF L3S5hAZmponCH6FQaGYfjgwNU8qxecNMRjHac2nNJIrcFXlFQQZHAOQNk8MDc4leZM+Kdwpsk ugRnpZSZjs+7UKwwOnabHfqCkJec5ECkemGi3OnXzNN3ETbSZxM8CjbGa3t4abvaZTlZ/w/y0 ZXpYV8yu6iIlXrncn+wyp3HAgl3YOrd/4aebsrRLnVQUpR4Gpxvhf6qdrOEapF4WGGa15hkPW pIEfToobmnBkwpfid448mIDRo4tSnTAHjDSybWjKqg1DqXcTel37SNLYO75NKBXdpQ3wPHooI F5UREIu186uTjnqQ+W8d/wbhawmr5SulOGi2ITfBFlNunWudWtn98AjX6kpAvhjmuNiN3ERkN c6A4gRoQT40CDB6nDYXiKjGzameAWftEFzgYbCw54Gk5AfucHbiBev9VyYtYfiuGcp0cEG8O5 phG8xzYVypT1hJgJXHMWBbyg4bn/POWh71y9DMQA8J3n3RzKjxsbYGJan72i14Bept2G307S2 +hNifG+gqJPqbKt6s39K5B7bC2QdRvvN8rs Received-SPF: pass client-ip=212.227.15.15; envelope-from=xypron.glpk@gmx.de; helo=mout.gmx.net X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-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: Keith Busch , Klaus Jensen , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Heinrich Schuchardt , Peter Maydell Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The EUI64 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 EUI64. Signed-off-by: Heinrich Schuchardt Acked-by: Klaus Jensen --- 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..a6042f942a 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 EUI64 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 0bcaf7192f..21f2d6843b 100644 --- a/hw/nvme/ctrl.c +++ b/hw/nvme/ctrl.c @@ -4426,19 +4426,19 @@ 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); @@ -4452,17 +4452,29 @@ 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 EUI64 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 992e5a13f5..ddf395d60e 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; @@ -518,6 +519,7 @@ 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 81a35cda14..abe7fab21c 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;