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| author | Brijesh Singh <brijesh.singh@amd.com> | 2017-08-23 06:57:19 -0400 |
|---|---|---|
| committer | Laszlo Ersek <lersek@redhat.com> | 2017-08-25 10:42:19 +0200 |
| commit | 0a568ccbcbd13751b92438c000df79c0d6c2d8f9 (patch) | |
| tree | 8028c6f869c9812a0b22d091be1465d817025516 /OvmfPkg/VirtioRngDxe/VirtioRng.h | |
| parent | 4b725858de68422e5f3543c1c052f61447e9969c (diff) | |
| download | edk2-0a568ccbcbd13751b92438c000df79c0d6c2d8f9.tar.gz edk2-0a568ccbcbd13751b92438c000df79c0d6c2d8f9.tar.bz2 edk2-0a568ccbcbd13751b92438c000df79c0d6c2d8f9.zip | |
OvmfPkg/VirtioRngDxe: map host address to device address
patch maps the host address to a device address for buffers (including
rings, device specifc request and response pointed by vring descriptor,
and any further memory reference by those request and response).
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>
[lersek@redhat.com: return EFI_DEVICE_ERROR if mapping fails in GetRNG]
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Regression-tested-by: Laszlo Ersek <lersek@redhat.com>
Diffstat (limited to 'OvmfPkg/VirtioRngDxe/VirtioRng.h')
| -rw-r--r-- | OvmfPkg/VirtioRngDxe/VirtioRng.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/OvmfPkg/VirtioRngDxe/VirtioRng.h b/OvmfPkg/VirtioRngDxe/VirtioRng.h index 998f9fae48..389c8ddc8d 100644 --- a/OvmfPkg/VirtioRngDxe/VirtioRng.h +++ b/OvmfPkg/VirtioRngDxe/VirtioRng.h @@ -38,6 +38,7 @@ typedef struct { EFI_EVENT ExitBoot; // DriverBindingStart 0
VRING Ring; // VirtioRingInit 2
EFI_RNG_PROTOCOL Rng; // VirtioRngInit 1
+ VOID *RingMap; // VirtioRingMap 2
} VIRTIO_RNG_DEV;
#define VIRTIO_ENTROPY_SOURCE_FROM_RNG(RngPointer) \
|