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authorDan Williams <dan.j.williams@intel.com>2009-09-08 20:55:21 -0400
committerDan Williams <dan.j.williams@intel.com>2009-09-08 20:55:21 -0400
commitbbb20089a3275a19e475dbc21320c3742e3ca423 (patch)
tree216fdc1cbef450ca688135c5b8969169482d9a48 /include/linux/virtio_pci.h
parent3e48e656903e9fd8bc805c6a2c4264d7808d315b (diff)
parent657a77fa7284d8ae28dfa48f1dc5d919bf5b2843 (diff)
Merge branch 'dmaengine' into async-tx-next
Conflicts: crypto/async_tx/async_xor.c drivers/dma/ioat/dma_v2.h drivers/dma/ioat/pci.c drivers/md/raid5.c
Diffstat (limited to 'include/linux/virtio_pci.h')
-rw-r--r--include/linux/virtio_pci.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/virtio_pci.h b/include/linux/virtio_pci.h
index cd0fd5d181a6..9a3d7c48c622 100644
--- a/include/linux/virtio_pci.h
+++ b/include/linux/virtio_pci.h
@@ -47,9 +47,17 @@
47/* The bit of the ISR which indicates a device configuration change. */ 47/* The bit of the ISR which indicates a device configuration change. */
48#define VIRTIO_PCI_ISR_CONFIG 0x2 48#define VIRTIO_PCI_ISR_CONFIG 0x2
49 49
50/* MSI-X registers: only enabled if MSI-X is enabled. */
51/* A 16-bit vector for configuration changes. */
52#define VIRTIO_MSI_CONFIG_VECTOR 20
53/* A 16-bit vector for selected queue notifications. */
54#define VIRTIO_MSI_QUEUE_VECTOR 22
55/* Vector value used to disable MSI for queue */
56#define VIRTIO_MSI_NO_VECTOR 0xffff
57
50/* The remaining space is defined by each driver as the per-driver 58/* The remaining space is defined by each driver as the per-driver
51 * configuration space */ 59 * configuration space */
52#define VIRTIO_PCI_CONFIG 20 60#define VIRTIO_PCI_CONFIG(dev) ((dev)->msix_enabled ? 24 : 20)
53 61
54/* Virtio ABI version, this must match exactly */ 62/* Virtio ABI version, this must match exactly */
55#define VIRTIO_PCI_ABI_VERSION 0 63#define VIRTIO_PCI_ABI_VERSION 0