From: Yadong Qi <yadong...@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
