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hw/block/nvme: fix prp mapping status codes

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Address 0 is not an invalid address. Remove those invalikd checks.

Unaligned PRP2 and PRP list entries should result in Invalid PRP Offset
status code and not Invalid Field. Fix that.

See NVMe Express v1.3d, Section 4.3 ("Physical Region Page Entry and
List").

Suggested-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Gollu Appalanaidu <anaidu.gollu@samsung.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
This commit is contained in:
Gollu Appalanaidu 2020-10-19 12:41:31 +05:30 • committed by Klaus Jensen
parent b865cabf73
commit 28fee5b5d0
3 changed files with 7 additions and 18 deletions
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1
include/block/nvme.h
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@ -655,6 +655,7 @@ enum NvmeStatusCodes {
NVME_MD_SGL_LEN_INVALID = 0x0010,
NVME_SGL_DESCR_TYPE_INVALID = 0x0011,
NVME_INVALID_USE_OF_CMB = 0x0012,
NVME_INVALID_PRP_OFFSET = 0x0013,
NVME_LBA_RANGE = 0x0080,
NVME_CAP_EXCEEDED = 0x0081,
NVME_NS_NOT_READY = 0x0082,