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authorLinus Torvalds <torvalds@linux-foundation.org>2015-02-21 11:55:21 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-02-21 11:55:21 -0800
commitc189cb8ef62832f33b6cf757350a0270532a1ad8 (patch)
treec8cd1f998f7ae98e0446a86a9efcc688841c289a /include
parenta2a6937da0b95644008ede0eb309493d16cf2ac2 (diff)
parent6140a8f5623820cec7f56c63444b9551d8d35775 (diff)
downloadlinux-c189cb8ef62832f33b6cf757350a0270532a1ad8.tar.bz2
Merge tag 'vfio-v3.20-rc1' of git://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson: - IOMMU updates based on trace analysis - VFIO device request interface * tag 'vfio-v3.20-rc1' of git://github.com/awilliam/linux-vfio: vfio-pci: Add device request interface vfio-pci: Generalize setup of simple eventfds vfio: Add and use device request op for vfio bus drivers vfio: Tie IOMMU group reference to vfio group vfio: Add device tracking during unbind vfio/type1: Add conditional rescheduling vfio/type1: Chunk contiguous reserved/invalid page mappings vfio/type1: DMA unmap chunking
Diffstat (limited to 'include')
-rw-r--r--include/linux/vfio.h2
-rw-r--r--include/uapi/linux/vfio.h1
2 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/vfio.h b/include/linux/vfio.h
index d3204115f15d..2d67b8998fd8 100644
--- a/include/linux/vfio.h
+++ b/include/linux/vfio.h
@@ -26,6 +26,7 @@
* @ioctl: Perform ioctl(2) on device file descriptor, supporting VFIO_DEVICE_*
* operations documented below
* @mmap: Perform mmap(2) on a region of the device file descriptor
+ * @request: Request for the bus driver to release the device
*/
struct vfio_device_ops {
char *name;
@@ -38,6 +39,7 @@ struct vfio_device_ops {
long (*ioctl)(void *device_data, unsigned int cmd,
unsigned long arg);
int (*mmap)(void *device_data, struct vm_area_struct *vma);
+ void (*request)(void *device_data, unsigned int count);
};
extern int vfio_add_group_dev(struct device *dev,
diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h
index 29715d27548f..82889c30f4f5 100644
--- a/include/uapi/linux/vfio.h
+++ b/include/uapi/linux/vfio.h
@@ -333,6 +333,7 @@ enum {
VFIO_PCI_MSI_IRQ_INDEX,
VFIO_PCI_MSIX_IRQ_INDEX,
VFIO_PCI_ERR_IRQ_INDEX,
+ VFIO_PCI_REQ_IRQ_INDEX,
VFIO_PCI_NUM_IRQS
};