Merge branch 'linux-2.6'

1 files changed, 95 insertions, 38 deletions

diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 275354ffa1cb..e6edca81ab84 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 4
+#define KVM_API_VERSION 12
 
 /*
  * Architectural interrupt line count, and the size of the bitmap needed
@@ -33,37 +33,39 @@ struct kvm_memory_region {
 /* for kvm_memory_region::flags */
 #define KVM_MEM_LOG_DIRTY_PAGES  1UL
 
-
-#define KVM_EXIT_TYPE_FAIL_ENTRY 1
-#define KVM_EXIT_TYPE_VM_EXIT    2
+struct kvm_memory_alias {
+	__u32 slot;  /* this has a different namespace than memory slots */
+	__u32 flags;
+	__u64 guest_phys_addr;
+	__u64 memory_size;
+	__u64 target_phys_addr;
+};
 
 enum kvm_exit_reason {
 	KVM_EXIT_UNKNOWN          = 0,
 	KVM_EXIT_EXCEPTION        = 1,
 	KVM_EXIT_IO               = 2,
-	KVM_EXIT_CPUID            = 3,
+	KVM_EXIT_HYPERCALL        = 3,
 	KVM_EXIT_DEBUG            = 4,
 	KVM_EXIT_HLT              = 5,
 	KVM_EXIT_MMIO             = 6,
 	KVM_EXIT_IRQ_WINDOW_OPEN  = 7,
 	KVM_EXIT_SHUTDOWN         = 8,
+	KVM_EXIT_FAIL_ENTRY       = 9,
+	KVM_EXIT_INTR             = 10,
 };
 
-/* for KVM_RUN */
+/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
 struct kvm_run {
 	/* in */
-	__u32 emulated;  /* skip current instruction */
-	__u32 mmio_completed; /* mmio request completed */
 	__u8 request_interrupt_window;
 	__u8 padding1[7];
 
 	/* out */
-	__u32 exit_type;
 	__u32 exit_reason;
-	__u32 instruction_length;
 	__u8 ready_for_interrupt_injection;
 	__u8 if_flag;
-	__u16 padding2;
+	__u8 padding2[2];
 
 	/* in (pre_kvm_run), out (post_kvm_run) */
 	__u64 cr8;
@@ -72,29 +74,26 @@ struct kvm_run {
 	union {
 		/* KVM_EXIT_UNKNOWN */
 		struct {
-			__u32 hardware_exit_reason;
+			__u64 hardware_exit_reason;
 		} hw;
+		/* KVM_EXIT_FAIL_ENTRY */
+		struct {
+			__u64 hardware_entry_failure_reason;
+		} fail_entry;
 		/* KVM_EXIT_EXCEPTION */
 		struct {
 			__u32 exception;
 			__u32 error_code;
 		} ex;
 		/* KVM_EXIT_IO */
-		struct {
+		struct kvm_io {
 #define KVM_EXIT_IO_IN  0
 #define KVM_EXIT_IO_OUT 1
 			__u8 direction;
 			__u8 size; /* bytes */
-			__u8 string;
-			__u8 string_down;
-			__u8 rep;
-			__u8 pad;
 			__u16 port;
-			__u64 count;
-			union {
-				__u64 address;
-				__u32 value;
-			};
+			__u32 count;
+			__u64 data_offset; /* relative to kvm_run start */
 		} io;
 		struct {
 		} debug;
@@ -105,6 +104,13 @@ struct kvm_run {
 			__u32 len;
 			__u8  is_write;
 		} mmio;
+		/* KVM_EXIT_HYPERCALL */
+		struct {
+			__u64 args[6];
+			__u64 ret;
+			__u32 longmode;
+			__u32 pad;
+		} hypercall;
 	};
 };
 
@@ -118,6 +124,21 @@ struct kvm_regs {
 	__u64 rip, rflags;
 };
 
+/* for KVM_GET_FPU and KVM_SET_FPU */
+struct kvm_fpu {
+	__u8  fpr[8][16];
+	__u16 fcw;
+	__u16 fsw;
+	__u8  ftwx;  /* in fxsave format */
+	__u8  pad1;
+	__u16 last_opcode;
+	__u64 last_ip;
+	__u64 last_dp;
+	__u8  xmm[16][16];
+	__u32 mxcsr;
+	__u32 pad2;
+};
+
 struct kvm_segment {
 	__u64 base;
 	__u32 limit;
@@ -210,38 +231,74 @@ struct kvm_dirty_log {
 	};
 };
 
+struct kvm_cpuid_entry {
+	__u32 function;
+	__u32 eax;
+	__u32 ebx;
+	__u32 ecx;
+	__u32 edx;
+	__u32 padding;
+};
+
+/* for KVM_SET_CPUID */
+struct kvm_cpuid {
+	__u32 nent;
+	__u32 padding;
+	struct kvm_cpuid_entry entries[0];
+};
+
+/* for KVM_SET_SIGNAL_MASK */
+struct kvm_signal_mask {
+	__u32 len;
+	__u8  sigset[0];
+};
+
 #define KVMIO 0xAE
 
 /*
  * ioctls for /dev/kvm fds:
  */
-#define KVM_GET_API_VERSION       _IO(KVMIO, 1)
-#define KVM_CREATE_VM             _IO(KVMIO, 2) /* returns a VM fd */
-#define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 15, struct kvm_msr_list)
+#define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
+#define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
+#define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
+/*
+ * Check if a kvm extension is available.  Argument is extension number,
+ * return is 1 (yes) or 0 (no, sorry).
+ */
+#define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
+/*
+ * Get size for mmap(vcpu_fd)
+ */
+#define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
 
 /*
  * ioctls for VM fds
  */
-#define KVM_SET_MEMORY_REGION     _IOW(KVMIO, 10, struct kvm_memory_region)
+#define KVM_SET_MEMORY_REGION     _IOW(KVMIO, 0x40, struct kvm_memory_region)
 /*
  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
  * a vcpu fd.
  */
-#define KVM_CREATE_VCPU           _IOW(KVMIO, 11, int)
-#define KVM_GET_DIRTY_LOG         _IOW(KVMIO, 12, struct kvm_dirty_log)
+#define KVM_CREATE_VCPU           _IO(KVMIO,  0x41)
+#define KVM_GET_DIRTY_LOG         _IOW(KVMIO, 0x42, struct kvm_dirty_log)
+#define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO, 0x43, struct kvm_memory_alias)
 
 /*
  * ioctls for vcpu fds
  */
-#define KVM_RUN                   _IOWR(KVMIO, 2, struct kvm_run)
-#define KVM_GET_REGS              _IOR(KVMIO, 3, struct kvm_regs)
-#define KVM_SET_REGS              _IOW(KVMIO, 4, struct kvm_regs)
-#define KVM_GET_SREGS             _IOR(KVMIO, 5, struct kvm_sregs)
-#define KVM_SET_SREGS             _IOW(KVMIO, 6, struct kvm_sregs)
-#define KVM_TRANSLATE             _IOWR(KVMIO, 7, struct kvm_translation)
-#define KVM_INTERRUPT             _IOW(KVMIO, 8, struct kvm_interrupt)
-#define KVM_DEBUG_GUEST           _IOW(KVMIO, 9, struct kvm_debug_guest)
-#define KVM_GET_MSRS              _IOWR(KVMIO, 13, struct kvm_msrs)
-#define KVM_SET_MSRS              _IOW(KVMIO, 14, struct kvm_msrs)
+#define KVM_RUN                   _IO(KVMIO,   0x80)
+#define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
+#define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
+#define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
+#define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
+#define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
+#define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
+#define KVM_DEBUG_GUEST           _IOW(KVMIO,  0x87, struct kvm_debug_guest)
+#define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
+#define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
+#define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
+#define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
+#define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
+#define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
 
 #endif