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nvmf: report that namespaces may be shared

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The namespaces exposed by the NVMe-oF target may be attached to multiple
(virtual) controllers at once, so we should indicate this via the
Namespace Multi-path I/O and Namespace Sharing Capabilities (NMIC) field
in the Identify Namespace data.

Change-Id: Iecca80f01577422f73d781c05dcb212db55f7ee1
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/407834
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
This commit is contained in:
Daniel Verkamp 2018-04-16 13:56:27 -07:00
parent 0a1a4ce116
commit 0f99e7ab9e
1 changed files with 1 additions and 0 deletions
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lib/nvmf/ctrlr_bdev.c
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@ -117,6 +117,7 @@ spdk_nvmf_bdev_ctrlr_identify_ns(struct spdk_nvmf_ns *ns, struct spdk_nvme_ns_da
nsdata->flbas.format = 0;
nsdata->lbaf[0].lbads = spdk_u32log2(spdk_bdev_get_block_size(bdev));
nsdata->noiob = spdk_bdev_get_optimal_io_boundary(bdev);
nsdata->nmic.can_share = 1;
SPDK_STATIC_ASSERT(sizeof(nsdata->nguid) == sizeof(ns->opts.nguid), "size mismatch");
memcpy(nsdata->nguid, ns->opts.nguid, sizeof(nsdata->nguid));