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From: "Gerd Hoffmann" <kraxel@redhat.com>
To: devel@edk2.groups.io
Cc: Gerd Hoffmann <kraxel@redhat.com>,
	Philippe Mathieu-Daude <philmd@redhat.com>
Subject: [PATCH v3 1/4] OvmfPkg/Virtio10: Add virtio-mmio 1.0 defines
Date: Tue, 17 Aug 2021 11:23:26 +0200	[thread overview]
Message-ID: <20210817092329.808150-2-kraxel@redhat.com> (raw)
In-Reply-To: <20210817092329.808150-1-kraxel@redhat.com>

Add defines for the config space offsets for virtio 1.0 mmio transport.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daude <philmd@redhat.com>
---
 OvmfPkg/Include/IndustryStandard/Virtio10.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/OvmfPkg/Include/IndustryStandard/Virtio10.h b/OvmfPkg/Include/IndustryStandard/Virtio10.h
index 2c60be2b7c0c..a1712247e054 100644
--- a/OvmfPkg/Include/IndustryStandard/Virtio10.h
+++ b/OvmfPkg/Include/IndustryStandard/Virtio10.h
@@ -81,4 +81,16 @@ typedef struct {
 #define VIRTIO_F_VERSION_1      BIT32
 #define VIRTIO_F_IOMMU_PLATFORM BIT33
 
+//
+// MMIO VirtIo Header Offsets
+//
+#define VIRTIO_MMIO_OFFSET_QUEUE_READY                0x44
+#define VIRTIO_MMIO_OFFSET_QUEUE_DESC_LO              0x80
+#define VIRTIO_MMIO_OFFSET_QUEUE_DESC_HI              0x84
+#define VIRTIO_MMIO_OFFSET_QUEUE_AVAIL_LO             0x90
+#define VIRTIO_MMIO_OFFSET_QUEUE_AVAIL_HI             0x94
+#define VIRTIO_MMIO_OFFSET_QUEUE_USED_LO              0xa0
+#define VIRTIO_MMIO_OFFSET_QUEUE_USED_HI              0xa4
+#define VIRTIO_MMIO_OFFSET_CONFIG_GENERATION          0xfc
+
 #endif // _VIRTIO_1_0_H_
-- 
2.31.1


  reply	other threads:[~2021-08-17  9:23 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-17  9:23 [PATCH v3 0/4] add support for virtio-mmio 1.0 Gerd Hoffmann
2021-08-17  9:23 ` Gerd Hoffmann [this message]
2021-08-17  9:23 ` [PATCH v3 2/4] OvmfPkg/VirtioMmioDeviceLib: Add virtio 1.0 support Gerd Hoffmann
2021-08-17  9:55   ` Philippe Mathieu-Daudé
2021-08-17  9:23 ` [PATCH v3 3/4] OvmfPkg/VirtioMmioDeviceLib: Add default QueueNum for virtio 1.0 Gerd Hoffmann
2021-08-17  9:48   ` [edk2-devel] " Philippe Mathieu-Daudé
2021-08-17  9:23 ` [PATCH v3 4/4] OvmfPkg/VirtioMmioDeviceLib: Add virtio 1.0 feature bit handling Gerd Hoffmann

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