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hw/block/nvme: add broadcast nsid support flush command

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Add support for using the broadcast nsid to issue a flush on all
namespaces through a single command.

Signed-off-by: Gollu Appalanaidu <anaidu.gollu@samsung.com>
Reviewed-by: Klaus Jensen <k.jensen@samsung.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
This commit is contained in:
Gollu Appalanaidu 2021-01-25 15:09:24 +05:30 • committed by Klaus Jensen
parent 594a2b742b
commit c94973288c
3 changed files with 127 additions and 7 deletions
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8
include/block/nvme.h
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@ -1062,6 +1062,14 @@ enum NvmeIdCtrlOcfs {
NVME_OCFS_COPY_FORMAT_0 = 1 << 0,
};
enum NvmeIdctrlVwc {
NVME_VWC_PRESENT = 1 << 0,
NVME_VWC_NSID_BROADCAST_NO_SUPPORT = 0 << 1,
NVME_VWC_NSID_BROADCAST_RESERVED = 1 << 1,
NVME_VWC_NSID_BROADCAST_CTRL_SPEC = 2 << 1,
NVME_VWC_NSID_BROADCAST_SUPPORT = 3 << 1,
};
enum NvmeIdCtrlFrmw {
NVME_FRMW_SLOT1_RO = 1 << 0,
};