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| author | Brijesh Singh <brijesh.singh@amd.com> | 2017-08-27 18:53:17 -0400 |
|---|---|---|
| committer | Laszlo Ersek <lersek@redhat.com> | 2017-08-28 11:00:14 +0200 |
| commit | 19165130470f010a427730ea270c154c9dd500df (patch) | |
| tree | a23dd8130a4994c61ad8aa6d6aa142c1ce05c5f0 /OvmfPkg/VirtioBlkDxe/VirtioBlk.h | |
| parent | a2285a8963840683a28ed051077190b086c423eb (diff) | |
| download | edk2-19165130470f010a427730ea270c154c9dd500df.tar.gz edk2-19165130470f010a427730ea270c154c9dd500df.tar.bz2 edk2-19165130470f010a427730ea270c154c9dd500df.zip | |
OvmfPkg/VirtioBlkDxe: map VRING using VirtioRingMap()
When device is behind the IOMMU then driver need to pass the device
address when programing the bus master. The patch uses VirtioRingMap() to
map the VRING system physical address to device address.
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Regression-tested-by: Laszlo Ersek <lersek@redhat.com>
Diffstat (limited to 'OvmfPkg/VirtioBlkDxe/VirtioBlk.h')
| -rw-r--r-- | OvmfPkg/VirtioBlkDxe/VirtioBlk.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/OvmfPkg/VirtioBlkDxe/VirtioBlk.h b/OvmfPkg/VirtioBlkDxe/VirtioBlk.h index 6c402ca88e..9ec0b956b8 100644 --- a/OvmfPkg/VirtioBlkDxe/VirtioBlk.h +++ b/OvmfPkg/VirtioBlkDxe/VirtioBlk.h @@ -41,6 +41,7 @@ typedef struct { VRING Ring; // VirtioRingInit 2
EFI_BLOCK_IO_PROTOCOL BlockIo; // VirtioBlkInit 1
EFI_BLOCK_IO_MEDIA BlockIoMedia; // VirtioBlkInit 1
+ VOID *RingMap; // VirtioRingMap 2
} VBLK_DEV;
#define VIRTIO_BLK_FROM_BLOCK_IO(BlockIoPointer) \
|