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| author | Pierre Ossman <drzeus@drzeus.cx> | 2008-12-31 13:56:05 -0500 |
|---|---|---|
| committer | Pierre Ossman <drzeus@drzeus.cx> | 2008-12-31 13:56:05 -0500 |
| commit | 418f19ea17a99421b22a64e101e14b6a16bed66d (patch) | |
| tree | 7c21fcc368c63f1f9907deac6d16b30bd371792d /include/linux/virtio_pci.h | |
| parent | 98444d3dd975653a4a970ecc0dfc30918da92f60 (diff) | |
| parent | f6e10b865c3ea56bdaa8c6ecfee313b997900dbb (diff) | |
Merge branch 'master' of ../mmc
Diffstat (limited to 'include/linux/virtio_pci.h')
| -rw-r--r-- | include/linux/virtio_pci.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/virtio_pci.h b/include/linux/virtio_pci.h index cdef35742932..cd0fd5d181a6 100644 --- a/include/linux/virtio_pci.h +++ b/include/linux/virtio_pci.h | |||
| @@ -53,4 +53,12 @@ | |||
| 53 | 53 | ||
| 54 | /* Virtio ABI version, this must match exactly */ | 54 | /* Virtio ABI version, this must match exactly */ |
| 55 | #define VIRTIO_PCI_ABI_VERSION 0 | 55 | #define VIRTIO_PCI_ABI_VERSION 0 |
| 56 | |||
| 57 | /* How many bits to shift physical queue address written to QUEUE_PFN. | ||
| 58 | * 12 is historical, and due to x86 page size. */ | ||
| 59 | #define VIRTIO_PCI_QUEUE_ADDR_SHIFT 12 | ||
| 60 | |||
| 61 | /* The alignment to use between consumer and producer parts of vring. | ||
| 62 | * x86 pagesize again. */ | ||
| 63 | #define VIRTIO_PCI_VRING_ALIGN 4096 | ||
| 56 | #endif | 64 | #endif |