Commit 84812653 authored by Daniel Verkamp's avatar Daniel Verkamp
Browse files

nvme/identify: interpret CMIC bitfields 



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

Change-Id: If1302933eff7649c31e21188f71cc361cc90ff01
Signed-off-by: default avatarDaniel Verkamp <daniel.verkamp@intel.com>
parent 060ffe8d

examples/nvme/identify/identify.c

+4 −1
Original line number Diff line number Diff line
@@ -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");