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| author | Brijesh Singh <brijesh.singh@amd.com> | 2017-08-23 06:57:17 -0400 |
|---|---|---|
| committer | Laszlo Ersek <lersek@redhat.com> | 2017-08-25 10:42:18 +0200 |
| commit | fc2c1543e51ee6fc8a2956594456eb4db5f0a3ca (patch) | |
| tree | 9a26be6f83258a229da867a2c2714e221378e817 /OvmfPkg/Library | |
| parent | 0a78d754edc82ed0dae07c3d505b88fce8b5bd09 (diff) | |
| download | edk2-fc2c1543e51ee6fc8a2956594456eb4db5f0a3ca.tar.gz edk2-fc2c1543e51ee6fc8a2956594456eb4db5f0a3ca.tar.bz2 edk2-fc2c1543e51ee6fc8a2956594456eb4db5f0a3ca.zip | |
OvmfPkg/VirtioLib: take VirtIo instance in VirtioRingInit/VirtioRingUninit
Passing the VirtIo protocol instance will allow the vring to use
VIRTIO_DEVICE_PROTOCOL.AllocateSharedPages () to allocate vring buffer.
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/Library')
| -rw-r--r-- | OvmfPkg/Library/VirtioLib/VirtioLib.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/OvmfPkg/Library/VirtioLib/VirtioLib.c b/OvmfPkg/Library/VirtioLib/VirtioLib.c index 4ad38f0698..78405c7d9d 100644 --- a/OvmfPkg/Library/VirtioLib/VirtioLib.c +++ b/OvmfPkg/Library/VirtioLib/VirtioLib.c @@ -37,6 +37,8 @@ - 1.1 Virtqueues,
- 2.3 Virtqueue Configuration.
+ @param[in] VirtIo The virtio device which will use the ring.
+
@param[in] The number of descriptors to allocate for the
virtio ring, as requested by the host.
@@ -54,8 +56,9 @@ EFI_STATUS
EFIAPI
VirtioRingInit (
- IN UINT16 QueueSize,
- OUT VRING *Ring
+ IN VIRTIO_DEVICE_PROTOCOL *VirtIo,
+ IN UINT16 QueueSize,
+ OUT VRING *Ring
)
{
UINTN RingSize;
@@ -128,13 +131,16 @@ VirtioRingInit ( invoking this function: the VSTAT_DRIVER_OK bit must be clear in
VhdrDeviceStatus.
- @param[out] Ring The virtio ring to clean up.
+ @param[in] VirtIo The virtio device which was using the ring.
+
+ @param[out] Ring The virtio ring to clean up.
**/
VOID
EFIAPI
VirtioRingUninit (
- IN OUT VRING *Ring
+ IN VIRTIO_DEVICE_PROTOCOL *VirtIo,
+ IN OUT VRING *Ring
)
{
FreePages (Ring->Base, Ring->NumPages);
|