[PATCH 3/4] Add UV partition call
Add a bios call to return partitioning related info.
Signed-off-by: Russ Anderson <rja@sgi.com>
---
arch/x86/kernel/bios_uv.c | 44 ++++++++++++++++++++++++++++++++++-----
arch/x86/kernel/genx2apic_uv_x.c | 14 +++++++-----
include/asm-x86/uv/bios.h | 22 ++++++++++++++++---
3 files changed, 66 insertions(+), 14 deletions(-)
Index: linux/arch/x86/kernel/bios_uv.c
===================================================================
--- linux.orig/arch/x86/kernel/bios_uv.c 2008-09-26 14:13:36.000000000 -0500
+++ linux/arch/x86/kernel/bios_uv.c 2008-09-26 14:13:45.000000000 -0500
@@ -23,6 +23,7 @@
#include <asm/efi.h>
#include <linux/io.h>
#include <asm/uv/bios.h>
+#include <asm/uv/uv_hub.h>
struct uv_systab uv_systab;
@@ -65,14 +66,47 @@ s64 uv_bios_call_reentrant(enum uv_bios_
return ret;
}
-long
-x86_bios_freq_base(unsigned long clock_type, unsigned long *ticks_per_second,
- unsigned long *drift_info)
+
+long sn_partition_id;
+EXPORT_SYMBOL_GPL(sn_partition_id);
+long uv_coherency_id;
+EXPORT_SYMBOL_GPL(uv_coherency_id);
+long uv_region_size;
+EXPORT_SYMBOL_GPL(uv_region_size);
+int uv_type;
+
+
+s64 uv_bios_get_sn_info(int fc, int *uvtype, long *partid, long *coher,
+ long *region)
+{
+ s64 ret;
+ u64 v0, v1;
+ union partition_info_u part;
+
+ ret = uv_bios_call_irqsave(UV_BIOS_GET_SN_INFO, fc,
+ (u64)(&v0), (u64)(&v1), 0, 0);
+ if (ret != BIOS_STATUS_SUCCESS)
+ return ret;
+
+ part.val = v0;
+ if (uvtype)
+ *uvtype = part.hub_version;
+ if (partid)
+ *partid = part.partition_id;
+ if (coher)
+ *coher = part.coherence_id;
+ if (region)
+ *region = part.region_size;
+ return ret;
+}
+
+
+s64 uv_bios_freq_base(u64 clock_type, u64 *ticks_per_second)
{
return uv_bios_call(UV_BIOS_FREQ_BASE, clock_type,
- (u64)ticks_per_second, 0, 0, 0);
+ (u64)ticks_per_second, 0, 0, 0);
...
