From: "Gerd Hoffmann" <kraxel@redhat.com>
To: devel@edk2.groups.io
Cc: Gerd Hoffmann <kraxel@redhat.com>
Subject: [PATCH 1/2] OvmfPkg/Virtio10: Add virtio-mmio 1.0 defines
Date: Wed, 9 Jun 2021 07:06:00 +0200 [thread overview]
Message-ID: <20210609050601.2754389-2-kraxel@redhat.com> (raw)
In-Reply-To: <20210609050601.2754389-1-kraxel@redhat.com>
Add defines for the config space offsets for virtio 1.0 mmio transport.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
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
next prev parent reply other threads:[~2021-06-09 5:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-09 5:05 [PATCH 0/2] Quo vadis virtio-mmio? Gerd Hoffmann
2021-06-09 5:06 ` Gerd Hoffmann [this message]
2021-06-09 5:06 ` [PATCH 2/2] OvmfPkg/VirtioMmioDeviceLib: Add virtio 1.0 support Gerd Hoffmann
2021-06-09 10:34 ` [edk2-devel] [PATCH 0/2] Quo vadis virtio-mmio? Philippe Mathieu-Daudé
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