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authorLinus Torvalds <torvalds@linux-foundation.org>2013-02-26 14:48:30 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-26 14:48:30 -0800
commit515d01f7726b9ba4838787d247115e1b259e1cc7 (patch)
treed791be958b963215eefe96b33498269879932191 /include
parent1cef9350cbee6e3bcf2ff646b8978fbec33f8b85 (diff)
parentd65530fbc799e4036d4d3da4ab6e9fa6d8c4a447 (diff)
Merge tag 'vfio-v3.9-rc1' of git://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson: - Fixes PCIe v1 extended capability support - Cleans up read/write access functions - Fix Removal test to properly wait until devices are unused - Enable pcieport driver usage for non-accessible devices w/in groups - Extensions for PCI VGA support * tag 'vfio-v3.9-rc1' of git://github.com/awilliam/linux-vfio: drivers/vfio: remove depends on CONFIG_EXPERIMENTAL vfio-pci: Add support for VGA region access vfio-pci: Manage user power state transitions vfio: whitelist pcieport vfio: Protect vfio_dev_present against device_del vfio-pci: Cleanup BAR access vfio-pci: Cleanup read/write functions vfio-pci: Enable PCIe extended capabilities on v1
Diffstat (limited to 'include')
-rw-r--r--include/uapi/linux/vfio.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h
index 4758d1bfcf4..4f41f309911 100644
--- a/include/uapi/linux/vfio.h
+++ b/include/uapi/linux/vfio.h
@@ -303,6 +303,15 @@ enum {
VFIO_PCI_BAR5_REGION_INDEX,
VFIO_PCI_ROM_REGION_INDEX,
VFIO_PCI_CONFIG_REGION_INDEX,
+ /*
+ * Expose VGA regions defined for PCI base class 03, subclass 00.
+ * This includes I/O port ranges 0x3b0 to 0x3bb and 0x3c0 to 0x3df
+ * as well as the MMIO range 0xa0000 to 0xbffff. Each implemented
+ * range is found at it's identity mapped offset from the region
+ * offset, for example 0x3b0 is region_info.offset + 0x3b0. Areas
+ * between described ranges are unimplemented.
+ */
+ VFIO_PCI_VGA_REGION_INDEX,
VFIO_PCI_NUM_REGIONS
};