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hw/nvme: Add NVMe NGUID property

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This patch adds a way to specify an NGUID for a given NVMe Namespace using a
string of hexadecimal digits with an optional '-' separator to group bytes. For
instance:

-device nvme-ns,nguid="e9accd3b83904e13167cf0593437f57d"

If provided, the NGUID will be part of the Namespace Identification Descriptor
list and the Identify Namespace data.

Signed-off-by: Roque Arcudia Hernandez <roqueh@google.com>
Signed-off-by: Nabih Estefan <nabihestefan@google.com>
Reviewed-by: Klaus Jensen <k.jensen@samsung.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
This commit is contained in:
Roque Arcudia Hernandez 2024-02-22 17:50:16 +00:00 • committed by Klaus Jensen
parent 00d7dffe87
commit bdc31646c5
6 changed files with 229 additions and 7 deletions
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2
hw/nvme/ns.c
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@ -89,6 +89,7 @@ static int nvme_ns_init(NvmeNamespace *ns, Error **errp)
id_ns->mcl = cpu_to_le32(ns->params.mcl);
id_ns->msrc = ns->params.msrc;
id_ns->eui64 = cpu_to_be64(ns->params.eui64);
memcpy(&id_ns->nguid, &ns->params.nguid.data, sizeof(id_ns->nguid));
ds = 31 - clz32(ns->blkconf.logical_block_size);
ms = ns->params.ms;
@ -797,6 +798,7 @@ static Property nvme_ns_props[] = {
DEFINE_PROP_BOOL("shared", NvmeNamespace, params.shared, true),
DEFINE_PROP_UINT32("nsid", NvmeNamespace, params.nsid, 0),
DEFINE_PROP_UUID_NODEFAULT("uuid", NvmeNamespace, params.uuid),
DEFINE_PROP_NGUID_NODEFAULT("nguid", NvmeNamespace, params.nguid),
DEFINE_PROP_UINT64("eui64", NvmeNamespace, params.eui64, 0),
DEFINE_PROP_UINT16("ms", NvmeNamespace, params.ms, 0),
DEFINE_PROP_UINT8("mset", NvmeNamespace, params.mset, 0),