From: Yadong Qi
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
From: Yadong Qi
Add new virtio feature: VIRTIO_BLK_F_SECDISCARD.
Add new virtio command: VIRTIO_BLK_T_SECDISCARD.
This feature is disabled by default, it will check the backend
bs->open_flags & BDRV_O_SECDISCARD, enable it if BDRV_O_SECDISCARD
is supported.
Signed-off-by: Yadong Qi
From: Yadong Qi
Add a new option "secdiscard" for block drive. Parse it and
record it in bs->open_flags as bit(BDRV_O_SECDISCARD).
Add a new BDRV_REQ_SECDISCARD bit for secure discard request
from virtual device.
For host_device backend: implement by ioctl(BLKSECDISCARD) on
re
From: "Qi, Yadong"
The following patches are to refine/fix issues of reserved fields checking logic
of Second-Level Paging Entries of VT-d:
- split the resevred fields arrays into two ones,
- large page only effect for L2(2M) and L3(1G), so remove
checking of L1 and L4 for large page,
- when dt
From: "Qi, Yadong"
1. split the resevred fields arrays into two ones,
2. large page only effect for L2(2M) and L3(1G), so
remove checking of L1 and L4 for large page.
Signed-off-by: Zhang, Qi
Signed-off-by: Qi, Yadong
---
hw/i386/intel_iommu.c | 37 ++--
From: "Qi, Yadong"
When dt is supported, TM field should not be Reserved(0).
Refer to VT-d Spec 9.8
Signed-off-by: Zhang, Qi
Signed-off-by: Qi, Yadong
---
hw/i386/intel_iommu.c | 9 ++---
hw/i386/intel_iommu_internal.h | 13 ++---
2 files changed, 16 insertions(+), 6 de
From: "Qi, Yadong"
The following patches are to refine/fix issues of reserved fields checking logic
of Second-Level Paging Entries of VT-d:
- split the resevred fields arrays into two ones,
- large page only effect for L2(2M) and L3(1G), so remove
checking of L1 and L4 for large page,
- when dt
