[03/16] KVM-HDR: KVM Userspace registering ioctl

Commit Message

Glauber Costa Jan. 24, 2011, 6:06 p.m. UTC

None

Patch

diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index ea2dc1a..5cc4fe8 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -161,6 +161,7 @@  struct kvm_pit_config {
 #define KVM_EXIT_NMI              16
 #define KVM_EXIT_INTERNAL_ERROR   17
 #define KVM_EXIT_OSI              18
+#define KVM_EXIT_X86_MSR_OP	  19
 
 /* For KVM_EXIT_INTERNAL_ERROR */
 #define KVM_INTERNAL_ERROR_EMULATION 1
@@ -264,6 +265,10 @@  struct kvm_run {
 		struct {
 			__u64 gprs[32];
 		} osi;
+		/* KVM_EXIT_X86_MSR_OP */
+		struct {
+			__u64 msr_data;
+		} msr;
 		/* Fix the size of the union. */
 		char padding[256];
 	};
@@ -422,6 +427,11 @@  struct kvm_ppc_pvinfo {
 	__u8  pad[108];
 };
 
+struct kvm_area_info {
+	__u8  enabled;
+	__u8  pad[3];
+};
+
 #define KVMIO 0xAE
 
 /*
@@ -541,6 +551,7 @@  struct kvm_ppc_pvinfo {
 #define KVM_CAP_PPC_GET_PVINFO 57
 #define KVM_CAP_PPC_IRQ_LEVEL 58
 #define KVM_CAP_ASYNC_PF 59
+#define KVM_CAP_REGISTER_MEM_AREA 60
 
 #ifdef KVM_CAP_IRQ_ROUTING
 
@@ -677,7 +688,8 @@  struct kvm_clock_data {
 #define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
 /* Available with KVM_CAP_PPC_GET_PVINFO */
 #define KVM_PPC_GET_PVINFO	  _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
-
+#define KVM_USERSPACE_REGISTER_MEM_AREA \
+				  _IOW(KVMIO,  0xa8, struct kvm_area_info)
 /*
  * ioctls for vcpu fds
  */
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index b5021db..b7b361f 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -258,6 +258,7 @@  struct kvm {
 	long mmu_notifier_count;
 #endif
 	long tlbs_dirty;
+	int register_mem_area_uspace;
 };
 
 /* The guest did something we don't support. */