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hw/block/nvme: report non-mdts command size limit for dsm

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Dataset Management is not subject to MDTS, but exceeded a certain size
per range causes internal looping. Report this limit (DMRSL) in the NVM
command set specific identify controller data structure.

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 2021-02-21 19:39:36 +01:00 • committed by Klaus Jensen
parent 57331f9355
commit 67ce28a1fd
4 changed files with 33 additions and 8 deletions
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11
include/block/nvme.h
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@ -1041,6 +1041,16 @@ typedef struct NvmeIdCtrlZoned {
uint8_t rsvd1[4095];
} NvmeIdCtrlZoned;
typedef struct NvmeIdCtrlNvm {
uint8_t vsl;
uint8_t wzsl;
uint8_t wusl;
uint8_t dmrl;
uint32_t dmrsl;
uint64_t dmsl;
uint8_t rsvd16[4080];
} NvmeIdCtrlNvm;
enum NvmeIdCtrlOacs {
NVME_OACS_SECURITY = 1 << 0,
NVME_OACS_FORMAT = 1 << 1,
@ -1396,6 +1406,7 @@ static inline void _nvme_check_size(void)
QEMU_BUILD_BUG_ON(sizeof(NvmeEffectsLog) != 4096);
QEMU_BUILD_BUG_ON(sizeof(NvmeIdCtrl) != 4096);
QEMU_BUILD_BUG_ON(sizeof(NvmeIdCtrlZoned) != 4096);
QEMU_BUILD_BUG_ON(sizeof(NvmeIdCtrlNvm) != 4096);
QEMU_BUILD_BUG_ON(sizeof(NvmeLBAF) != 4);
QEMU_BUILD_BUG_ON(sizeof(NvmeLBAFE) != 16);
QEMU_BUILD_BUG_ON(sizeof(NvmeIdNs) != 4096);