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nvme/identify: interpret CMIC bitfields

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Print out the multi-path I/O features in a human-readable way.

Change-Id: If1302933eff7649c31e21188f71cc361cc90ff01
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This commit is contained in:
Daniel Verkamp 2016-08-24 14:08:38 -07:00
parent 060ffe8dee
commit 84812653be
1 changed files with 4 additions and 1 deletions
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5
examples/nvme/identify/identify.c
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@ -482,7 +482,10 @@ print_controller(struct spdk_nvme_ctrlr *ctrlr, struct spdk_pci_device *pci_dev)
printf("Recommended Arb Burst: %d\n", cdata->rab);
printf("IEEE OUI Identifier: %02x %02x %02x\n",
cdata->ieee[0], cdata->ieee[1], cdata->ieee[2]);
printf("Multi-path I/O: %02x\n", *(int *)&cdata->cmic);
printf("Multi-path I/O\n");
printf(" May have multiple subsystem ports: %s\n", cdata->cmic.multi_port ? "Yes" : "No");
printf(" May be connected to multiple hosts: %s\n", cdata->cmic.multi_host ? "Yes" : "No");
printf(" Associated with SR-IOV VF: %s\n", cdata->cmic.sr_iov ? "Yes" : "No");
printf("Max Data Transfer Size: ");
if (cdata->mdts == 0)
printf("Unlimited\n");