Cc: Ard Biesheuvel <[email protected]>
Cc: Jordan Justen <[email protected]>
Cc: Tom Lendacky <[email protected]>
Cc: Laszlo Ersek <[email protected]>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Brijesh Singh <[email protected]>
---
OvmfPkg/Library/VirtioLib/VirtioLib.c | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)
diff --git a/OvmfPkg/Library/VirtioLib/VirtioLib.c
b/OvmfPkg/Library/VirtioLib/VirtioLib.c
index 7d07dcc09d3d..8010b5cf4735 100644
--- a/OvmfPkg/Library/VirtioLib/VirtioLib.c
+++ b/OvmfPkg/Library/VirtioLib/VirtioLib.c
@@ -61,6 +61,7 @@ VirtioRingInit (
OUT VRING *Ring
)
{
+ EFI_STATUS Status;
UINTN RingSize;
volatile UINT8 *RingPagesPtr;
@@ -79,9 +80,16 @@ VirtioRingInit (
sizeof *Ring->Used.AvailEvent,
EFI_PAGE_SIZE);
+ //
+ // Allocate a shared ring buffer
+ //
Ring->NumPages = EFI_SIZE_TO_PAGES (RingSize);
- Ring->Base = AllocatePages (Ring->NumPages);
- if (Ring->Base == NULL) {
+ Status = VirtIo->AllocateSharedPages (
+ VirtIo,
+ Ring->NumPages,
+ &Ring->Base
+ );
+ if (EFI_ERROR (Status)) {
return EFI_OUT_OF_RESOURCES;
}
SetMem (Ring->Base, RingSize, 0x00);
@@ -143,7 +151,7 @@ VirtioRingUninit (
IN OUT VRING *Ring
)
{
- FreePages (Ring->Base, Ring->NumPages);
+ VirtIo->FreeSharedPages (VirtIo, Ring->NumPages, Ring->Base);
SetMem (Ring, sizeof *Ring, 0x00);
}
--
2.7.4
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