KVM: Don't require explicit indication of completion of mmio or pio

It is illegal not to return from a pio or mmio request without completing
it, as mmio or pio is an atomic operation.  Therefore, we can simplify
the userspace interface by avoiding the completion indication.

Signed-off-by: Avi Kivity <avi@qumranet.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 07bf353eeb6f..738c2f50c774 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -11,7 +11,7 @@
 #include <asm/types.h>
 #include <linux/ioctl.h>
 
-#define KVM_API_VERSION 10
+#define KVM_API_VERSION 11
 
 /*
  * Architectural interrupt line count, and the size of the bitmap needed
@@ -58,9 +58,8 @@ enum kvm_exit_reason {
 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
 struct kvm_run {
         /* in */
-        __u32 io_completed; /* mmio/pio request completed */
         __u8 request_interrupt_window;
-        __u8 padding1[3];
+        __u8 padding1[7];
 
         /* out */
         __u32 exit_reason;