edk2/0024-ArmVirt-PlatformBootManagerLib-factor-out-IsVirtio.patch
2023-06-19 09:28:02 +02:00

69 lines
2.0 KiB
Diff

From f0d2e5cf0f436cf48afae5e7b86bd5bd7e137751 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Thu, 1 Jun 2023 13:57:11 +0200
Subject: [PATCH 24/27] ArmVirt/PlatformBootManagerLib: factor out IsVirtio()
IsVirtioRng() becomes just a thin wrapper for IsVirtio().
This allows to add similar thin wrappers for other virtio
devices in the future.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
(cherry picked from commit a196b04926e70880334fcd649837d0ac63b0bfd5)
---
.../PlatformBootManagerLib/PlatformBm.c | 26 +++++++++++++++----
1 file changed, 21 insertions(+), 5 deletions(-)
diff --git a/ArmVirtPkg/Library/PlatformBootManagerLib/PlatformBm.c b/ArmVirtPkg/Library/PlatformBootManagerLib/PlatformBm.c
index 10c815378cd5..5eb6f0f9c14a 100644
--- a/ArmVirtPkg/Library/PlatformBootManagerLib/PlatformBm.c
+++ b/ArmVirtPkg/Library/PlatformBootManagerLib/PlatformBm.c
@@ -269,15 +269,16 @@ IsPciDisplay (
}
/**
- This FILTER_FUNCTION checks if a handle corresponds to a Virtio RNG device at
- the VIRTIO_DEVICE_PROTOCOL level.
+ This function checks if a handle corresponds to the Virtio Device ID given
+ at the VIRTIO_DEVICE_PROTOCOL level.
**/
STATIC
BOOLEAN
EFIAPI
-IsVirtioRng (
+IsVirtio (
IN EFI_HANDLE Handle,
- IN CONST CHAR16 *ReportText
+ IN CONST CHAR16 *ReportText,
+ IN UINT16 VirtIoDeviceId
)
{
EFI_STATUS Status;
@@ -293,7 +294,22 @@ IsVirtioRng (
}
return (BOOLEAN)(VirtIo->SubSystemDeviceId ==
- VIRTIO_SUBSYSTEM_ENTROPY_SOURCE);
+ VirtIoDeviceId);
+}
+
+/**
+ This FILTER_FUNCTION checks if a handle corresponds to a Virtio RNG device at
+ the VIRTIO_DEVICE_PROTOCOL level.
+**/
+STATIC
+BOOLEAN
+EFIAPI
+IsVirtioRng (
+ IN EFI_HANDLE Handle,
+ IN CONST CHAR16 *ReportText
+ )
+{
+ return IsVirtio (Handle, ReportText, VIRTIO_SUBSYSTEM_ENTROPY_SOURCE);
}
/**
--
2.40.1