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authorVarun Wadekar <vwadekar@nvidia.com>2012-01-24 16:52:10 +0530
committerVarun Wadekar <vwadekar@nvidia.com>2012-01-24 17:05:20 +0530
commit058cf848b62154a6ac13e276899fbb6650df0b74 (patch)
tree980f3caa279997fe141738ed15b4211036f3c7ab /Documentation
parentac64f7716cc7afbb57a3c7c70aa9214e2279624e (diff)
parent9bb1282f6a7754955c18be912fbc2b55d133f1b9 (diff)
Merge branch 'linux-3.1.y' into android-tegra-nv-3.1
Linux 3.1.10 Change-Id: I465d184c492e8041dd0cd90f2cb70fde17ba7118 Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/virtual/kvm/api.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt
index b0e4b9cd6a66..13ab8379b4eb 100644
--- a/Documentation/virtual/kvm/api.txt
+++ b/Documentation/virtual/kvm/api.txt
@@ -1131,6 +1131,13 @@ following flags are specified:
/* Depends on KVM_CAP_IOMMU */
#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
+The KVM_DEV_ASSIGN_ENABLE_IOMMU flag is a mandatory option to ensure
+isolation of the device. Usages not specifying this flag are deprecated.
+
+Only PCI header type 0 devices with PCI BAR resources are supported by
+device assignment. The user requesting this ioctl must have read/write
+access to the PCI sysfs resource files associated with the device.
+
4.49 KVM_DEASSIGN_PCI_DEVICE
Capability: KVM_CAP_DEVICE_DEASSIGNMENT