diff mbox

[v2,1/2] kvm, vfio: Define new VFIO data structure for VT-d Posted-Interrupts.

Message ID 1417592721-24459-2-git-send-email-feng.wu@intel.com
State New
Headers show

Commit Message

Wu, Feng Dec. 3, 2014, 7:45 a.m. UTC 
Define new VFIO data structure for VT-d Posted-Interrupts.

Signed-off-by: Feng Wu <feng.wu@intel.com>
---
 linux-headers/linux/kvm.h |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
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Patch

diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index 1937afa..2253d01 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -949,6 +949,7 @@  struct kvm_device_attr {
 #define  KVM_DEV_VFIO_DEVICE			2
 #define   KVM_DEV_VFIO_DEVICE_FORWARD_IRQ			1
 #define   KVM_DEV_VFIO_DEVICE_UNFORWARD_IRQ			2
+#define   KVM_DEV_VFIO_DEVICE_POSTING_IRQ			3
 
 enum kvm_device_type {
 	KVM_DEV_TYPE_FSL_MPIC_20	= 1,
@@ -973,6 +974,15 @@  struct kvm_arch_forwarded_irq {
 	__u32 gsi; /* gsi, ie. virtual IRQ number */
 };
 
+struct kvm_vfio_dev_irq {
+	__u32	argsz;
+	__u32	fd;		/* file descriptor of the VFIO device */
+	__u32	index;		/* VFIO device IRQ index */
+	__u32	start;
+	__u32	count;
+	__u32	gsi[];		/* gsi, ie. virtual IRQ number */
+};
+
 /*
  * ioctls for VM fds
  */