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Diffstat (limited to 'Documentation/nvme-verify.txt')
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diff --git a/Documentation/nvme-verify.txt b/Documentation/nvme-verify.txt new file mode 100644 index 0000000..3dc2fc7 --- /dev/null +++ b/Documentation/nvme-verify.txt @@ -0,0 +1,93 @@ +nvme-verify(1) +============== + +NAME +---- +nvme-verify - Send an NVMe Verify command, return results + +SYNOPSIS +-------- +[verse] +'nvme-verify' <device> [--namespace-id=<nsid> | -n <nsid>] + [--start-block=<slba> | -s <slba>] + [--block-count=<nlb> | -c <nlb>] + [--limited-retry | -l] + [--force-unit-access | -f] + [--prinfo=<prinfo> | -p <prinfo>] + [--ref-tag=<reftag> | -r <reftag>] + [--app-tag-mask=<appmask> | -m <appmask>] + [--app-tag=<apptag> | -a <apptag>] + [--storage-tag<storage-tag> | -S <storage-tag>] + [--storage-tag-check<storage-tag-check> | -C <storage-tag-check>] + +DESCRIPTION +----------- +The Verify command verifies the integrity of the stored information by +reading data and metadata. + +OPTIONS +------- +--namespace-id=<nsid>:: +-n <nsid>:: + Namespace ID use in the command. + +--start-block=<slba>:: +-s <slba>:: + Start block address. + +--block-count=<nlb>:: +-c <nlb>:: + Number of logical blocks to Verify. + +--limited-retry:: +-l:: + Sets the limited retry flag. + +--force-unit-access:: +-f:: + Set the force-unit access flag. + +--prinfo=<prinfo>:: +-p <prinfo>:: + Protection Information field definition. ++ +[] +|================= +|Bit|Description +|3|PRACT: Protection Information Action. When set to 1, PI is stripped/inserted +on read/write when the block format's metadata size is 8. When set to 0, +metadata is passes. +|2:0|PRCHK: Protection Information Check: +|2|Set to 1 enables checking the guard tag +|1|Set to 1 enables checking the application tag +|0|Set to 1 enables checking the reference tag +|================= + +--ref-tag=<reftag>:: +-r <reftag>:: + Optional reftag when used with protection information. + +--app-tag-mask=<appmask>:: +-m <appmask>:: + Optional application tag mask when used with protection information. + +--app-tag=<apptag>:: +-a <apptag>:: + Optional application tag when used with protection information. + +--storage-tag=<storage-tag>:: +-S <storage-tag>:: + Variable Sized Expected Logical Block Storage Tag(ELBST) and Expected Logical + Block Reference Tag (ELBRT), CDW2 and CDW3 (00:47) bits. + +--storage-tag-check=<storage-tag-check>:: +-C <storage-tag-check>:: + This bit specifies the Storage Tag field shall be checked as part of Verify operation. + +EXAMPLES +-------- +No examples yet. + +NVME +---- +Part of the nvme-user suite |