Please vote Yes if you agree with all of the following.
If you disagree, please vote No.
If you don't have an opinion, please vote Abstain.
I move that:
The TC agrees to resolve the following specification issue:
Issue #125: virtio-blk: add secure erase feature to specification
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There are user requests to use the Linux BLKSECDISCARD ioctl on
virtio-blk device. A secure discard is the same as a regular discard
except that all copies of the discarded blocks that were possibly
created by garbage collection must also be erased. This requires
support from the device. And "secure erase" is more commonly used
in industry to name this feature. Hence in this proposal, extend
virtio-blk protocol to support secure erase command.
Introduced new feature flag and command type:
VIRTIO_BLK_F_SECURE_ERASE
VIRTIO_BLK_T_SECURE_ERASE
This feature is a passthrough feature on backend because it is hard
to emulate a secure erase. So virtio-blk will report this feature
to guest OS if backend device support such kind of feature. And
when guest OS issues a secure erase command, backend driver will
passthrough the command to host device blocks.
Introduced new fields in virtio_blk_config for secure erase commands:
struct virtio_blk_config {
...
max_secure_erase_sectors;
max_secure_erase_seg;
secure_erase_sector_alignment;
};
https://lists.oasis-open.org/archives/virtio-comment/202112/msg00020.html
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The TC accepts the following proposed changes to the specification:
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https://lists.oasis-open.org/archives/virtio-comment/202112/msg00020.html
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The TC agrees to include the above change(s) in specification version(s) "virtio-v1.2-cs01", and future versions of the
specification.
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