X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;ds=inline;f=include%2Fasm-x86%2Flguest_hcall.h;h=a3241f28e34a51e469c77251200915567c8ade42;hb=49b75b87ce2dfbd99e59a50c3681b154d07e3a22;hp=2091779e91fbe4f06b659235dc9e8abe2c09922c;hpb=9b56fdb458b014bdda974b43a3e59721032898bb;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/asm-x86/lguest_hcall.h b/include/asm-x86/lguest_hcall.h
index 2091779..a3241f2 100644
--- a/include/asm-x86/lguest_hcall.h
+++ b/include/asm-x86/lguest_hcall.h
@@ -4,7 +4,7 @@
 
 #define LHCALL_FLUSH_ASYNC	0
 #define LHCALL_LGUEST_INIT	1
-#define LHCALL_CRASH		2
+#define LHCALL_SHUTDOWN		2
 #define LHCALL_LOAD_GDT		3
 #define LHCALL_NEW_PGTABLE	4
 #define LHCALL_FLUSH_TLB	5
@@ -20,10 +20,14 @@
 
 #define LGUEST_TRAP_ENTRY 0x1F
 
+/* Argument number 3 to LHCALL_LGUEST_SHUTDOWN */
+#define LGUEST_SHUTDOWN_POWEROFF	1
+#define LGUEST_SHUTDOWN_RESTART		2
+
 #ifndef __ASSEMBLY__
 #include <asm/hw_irq.h>
 
-/*G:031 First, how does our Guest contact the Host to ask for privileged
+/*G:031 But first, how does our Guest contact the Host to ask for privileged
  * operations?  There are two ways: the direct way is to make a "hypercall",
  * to make requests of the Host Itself.
  *
@@ -42,7 +46,7 @@ hcall(unsigned long call,
 {
 	/* "int" is the Intel instruction to trigger a trap. */
 	asm volatile("int $" __stringify(LGUEST_TRAP_ENTRY)
-		       /* The call in %eax (aka "a") might be overwritten */
+		     /* The call in %eax (aka "a") might be overwritten */
 		     : "=a"(call)
 		       /* The arguments are in %eax, %edx, %ebx & %ecx */
 		     : "a"(call), "d"(arg1), "b"(arg2), "c"(arg3)
@@ -58,8 +62,7 @@ hcall(unsigned long call,
 #define LGUEST_IRQS (NR_IRQS < 32 ? NR_IRQS: 32)
 
 #define LHCALL_RING_SIZE 64
-struct hcall_args
-{
+struct hcall_args {
 	/* These map directly onto eax, ebx, ecx, edx in struct lguest_regs */
 	unsigned long arg0, arg2, arg3, arg1;
 };