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examples/nvme/identify: only print arbitration information if the drive can support WRR arbitration

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Some drives can return get features with Arbitration feature ID successfully even
the drive can't support this feature, so we will not print this information for
the drives which can't support this feature.

Change-Id: Ife8a40120de7adcacd99d8513cfbcae1c15330dd
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/463481
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
Changpeng Liu 2019-07-29 03:43:54 -04:00 committed by Ben Walker
parent 0d9279c596
commit 14d2324805
1 changed files with 1 additions and 1 deletions
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2
examples/nvme/identify/identify.c
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@ -1248,7 +1248,7 @@ print_controller(struct spdk_nvme_ctrlr *ctrlr, const struct spdk_nvme_transport
}
printf("\n");
if (features[SPDK_NVME_FEAT_ARBITRATION].valid) {
if (features[SPDK_NVME_FEAT_ARBITRATION].valid && (cap.bits.ams & SPDK_NVME_CAP_AMS_WRR)) {
uint32_t arb = features[SPDK_NVME_FEAT_ARBITRATION].result;
unsigned ab, lpw, mpw, hpw;