Add prom_set_sun4v_api_version().

2 files changed, 33 insertions, 2 deletions

diff --git a/sys/arch/sparc64/include/sparc64.h b/sys/arch/sparc64/include/sparc64.h
index fcfced0e8a6..591808a66c4 100644
--- a/sys/arch/sparc64/include/sparc64.h
+++ b/sys/arch/sparc64/include/sparc64.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sparc64.h,v 1.11 2008/07/10 08:57:05 kettenis Exp $	*/
+/*	$OpenBSD: sparc64.h,v 1.12 2008/08/09 21:06:05 kettenis Exp $	*/
 /*	$NetBSD: sparc64.h,v 1.3 2000/10/20 05:47:03 mrg Exp $	*/
 
 /*
@@ -56,6 +56,7 @@ void prom_start_cpu(int cpu, void *func, long arg);
 void prom_start_cpu_by_cpuid(int cpu, void *func, long arg);
 const char *prom_serengeti_set_console_input(const char *);
 time_t prom_opl_get_tod(void);
+uint64_t prom_set_sun4v_api_version(uint64_t, uint64_t, uint64_t, uint64_t *);
 
 /*
  * Debug
diff --git a/sys/arch/sparc64/sparc64/ofw_machdep.c b/sys/arch/sparc64/sparc64/ofw_machdep.c
index 47a88e54a5c..201890f2722 100644
--- a/sys/arch/sparc64/sparc64/ofw_machdep.c
+++ b/sys/arch/sparc64/sparc64/ofw_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ofw_machdep.c,v 1.28 2008/07/10 08:57:05 kettenis Exp $	*/
+/*	$OpenBSD: ofw_machdep.c,v 1.29 2008/08/09 21:06:05 kettenis Exp $	*/
 /*	$NetBSD: ofw_machdep.c,v 1.16 2001/07/20 00:07:14 eeh Exp $	*/
 
 /*
@@ -783,6 +783,36 @@ prom_opl_get_tod(void)
 	return (time_t)args.time;
 }
 
+uint64_t
+prom_set_sun4v_api_version(uint64_t api_group, uint64_t major,
+    uint64_t minor, uint64_t *supported_minor)
+{
+	static struct {
+		cell_t  name;
+		cell_t  nargs;
+		cell_t  nreturns;
+		cell_t  api_group;
+		cell_t  major;
+		cell_t  minor;
+		cell_t	status;
+		cell_t	supported_minor;
+	} args;
+
+	args.name = ADR2CELL("SUNW,set-sun4v-api-version");
+	args.nargs = 3;
+	args.nreturns = 2;
+	args.api_group = api_group;
+	args.major = major;
+	args.minor = minor;
+	args.status = -1;
+	args.supported_minor = -1;
+
+	openfirmware(&args);
+
+	*supported_minor = args.supported_minor;
+	return (uint64_t)args.status;
+}
+
 #ifdef DEBUG
 int ofmapintrdebug = 0;
 #define	DPRINTF(x)	do { if (ofmapintrdebug) printf x; } while (0)