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From: yadong.qi@intel.com
To: qemu-block@nongnu.org, kwolf@redhat.com, hreitz@redhat.com,
	stefanha@redhat.com, fam@euphon.net, mst@redhat.com
Cc: kai.z.wang@intel.com, yadong.qi@intel.com, luhai.chen@intel.com,
	qemu-devel@nongnu.org
Subject: [PATCH 0/2] support BLKSECDISCARD
Date: Mon, 15 Nov 2021 12:51:58 +0800	[thread overview]
Message-ID: <20211115045200.3567293-1-yadong.qi@intel.com> (raw)

From: Yadong Qi <yadong.qi@intel.com>

Support BLKSECDISCARD passthrough for raw host_device backend.

For virtio-blk device:
    Add new virtio feature: VIRTIO_BLK_F_SECDISCARD.
    Add new virtio command: VIRTIO_BLK_T_SECDISCARD.

Usage:
    qemu-system-x86_64 \
    ... \
    -drive file=/dev/mmcblk0p2,if=none,format=raw,discard=on,secdiscard=on,id=sd0 \
    -device virtio-blk-pci,drive=sd0,id=sd0_vblk \
    ...

Yadong Qi (2):
  block:hdev: support BLKSECDISCARD
  virtio-blk: support BLKSECDISCARD

 block.c                                     | 46 +++++++++++++++++++
 block/blkdebug.c                            |  5 ++-
 block/blklogwrites.c                        |  6 ++-
 block/blkreplay.c                           |  5 ++-
 block/block-backend.c                       | 15 ++++---
 block/copy-before-write.c                   |  5 ++-
 block/copy-on-read.c                        |  5 ++-
 block/coroutines.h                          |  6 ++-
 block/file-posix.c                          | 50 ++++++++++++++++++---
 block/filter-compress.c                     |  5 ++-
 block/io.c                                  |  5 ++-
 block/mirror.c                              |  5 ++-
 block/nbd.c                                 |  3 +-
 block/nvme.c                                |  3 +-
 block/preallocate.c                         |  5 ++-
 block/qcow2-refcount.c                      |  4 +-
 block/qcow2.c                               |  3 +-
 block/raw-format.c                          |  5 ++-
 block/throttle.c                            |  5 ++-
 hw/block/virtio-blk.c                       | 24 ++++++++--
 hw/ide/core.c                               |  1 +
 hw/nvme/ctrl.c                              |  3 +-
 hw/scsi/scsi-disk.c                         |  2 +-
 include/block/block.h                       | 13 +++++-
 include/block/block_int.h                   |  2 +-
 include/block/raw-aio.h                     |  4 +-
 include/standard-headers/linux/virtio_blk.h |  4 ++
 include/sysemu/block-backend.h              |  1 +
 tests/unit/test-block-iothread.c            |  9 ++--
 29 files changed, 195 insertions(+), 54 deletions(-)

-- 
2.25.1



             reply	other threads:[~2021-11-15  4:56 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-15  4:51 yadong.qi [this message]
2021-11-15  4:51 ` [PATCH 1/2] block:hdev: support BLKSECDISCARD yadong.qi
2021-11-15 12:40   ` Kevin Wolf
2021-11-16  1:54     ` Qi, Yadong
2021-11-15 14:12   ` Stefan Hajnoczi
2021-11-16  2:03     ` Qi, Yadong
2021-11-16 10:58       ` Stefan Hajnoczi
2021-11-17  5:53         ` Christoph Hellwig
2021-11-17 10:32           ` Stefan Hajnoczi
2021-11-18  1:13           ` Qi, Yadong
2021-11-15  4:52 ` [PATCH 2/2] virtio-blk: " yadong.qi
2021-11-15 10:00   ` Stefano Garzarella
2021-11-16  1:26     ` Qi, Yadong
2021-11-15 10:57   ` Michael S. Tsirkin
2021-11-16  1:33     ` Qi, Yadong
2021-11-15 14:26   ` Stefan Hajnoczi
2021-11-16  2:13     ` Qi, Yadong

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