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Message-ID: <20091217165323.GA30774@sgi.com>
Date: Thu, 17 Dec 2009 10:53:25 -0600
From: Russ Anderson <rja@....com>
To: "H. Peter Anvin" <hpa@...or.com>
Cc: Russ Anderson <rja@....com>, linux-kernel@...r.kernel.org,
Jack Steiner <steiner@....com>
Subject: x86: uv: Add serial number parameter to uv_bios_get_sn_info()
Add system_serial_number to the information returned by
uv_bios_get_sn_info() UV BIOS call.
Signed-off-by: Russ Anderson <rja@....com>
Cc: Jack Steiner <steiner@....com>
---
This patch only effects UV systems.
arch/x86/include/asm/uv/bios.h | 7 ++++---
arch/x86/kernel/apic/x2apic_uv_x.c | 6 +++---
arch/x86/kernel/bios_uv.c | 20 ++++++++++++++------
3 files changed, 21 insertions(+), 12 deletions(-)
Index: linux/arch/x86/include/asm/uv/bios.h
===================================================================
--- linux.orig/arch/x86/include/asm/uv/bios.h 2009-12-16 15:59:58.000000000 -0600
+++ linux/arch/x86/include/asm/uv/bios.h 2009-12-16 16:16:35.000000000 -0600
@@ -18,8 +18,8 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
- * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved.
- * Copyright (c) Russ Anderson
+ * Copyright (c) 2008-2009 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) Russ Anderson <rja@....com>
*/
#include <linux/rtc.h>
@@ -89,7 +89,7 @@ extern s64 uv_bios_call(enum uv_bios_cmd
extern s64 uv_bios_call_irqsave(enum uv_bios_cmd, u64, u64, u64, u64, u64);
extern s64 uv_bios_call_reentrant(enum uv_bios_cmd, u64, u64, u64, u64, u64);
-extern s64 uv_bios_get_sn_info(int, int *, long *, long *, long *);
+extern s64 uv_bios_get_sn_info(int, int *, long *, long *, long *, long *);
extern s64 uv_bios_freq_base(u64, u64 *);
extern int uv_bios_mq_watchlist_alloc(unsigned long, unsigned int,
unsigned long *);
@@ -104,6 +104,7 @@ extern int uv_type;
extern long sn_partition_id;
extern long sn_coherency_id;
extern long sn_region_size;
+extern long system_serial_number;
#define partition_coherence_id() (sn_coherency_id)
extern struct kobject *sgi_uv_kobj; /* /sys/firmware/sgi_uv */
Index: linux/arch/x86/kernel/apic/x2apic_uv_x.c
===================================================================
--- linux.orig/arch/x86/kernel/apic/x2apic_uv_x.c 2009-12-16 15:59:58.000000000 -0600
+++ linux/arch/x86/kernel/apic/x2apic_uv_x.c 2009-12-16 16:01:13.000000000 -0600
@@ -5,7 +5,7 @@
*
* SGI UV APIC functions (note: not an Intel compatible APIC)
*
- * Copyright (C) 2007-2008 Silicon Graphics, Inc. All rights reserved.
+ * Copyright (C) 2007-2009 Silicon Graphics, Inc. All rights reserved.
*/
#include <linux/cpumask.h>
#include <linux/hardirq.h>
@@ -627,8 +627,8 @@ void __init uv_system_init(void)
}
uv_bios_init();
- uv_bios_get_sn_info(0, &uv_type, &sn_partition_id,
- &sn_coherency_id, &sn_region_size);
+ uv_bios_get_sn_info(0, &uv_type, &sn_partition_id, &sn_coherency_id,
+ &sn_region_size, &system_serial_number);
uv_rtc_init();
for_each_present_cpu(cpu) {
Index: linux/arch/x86/kernel/bios_uv.c
===================================================================
--- linux.orig/arch/x86/kernel/bios_uv.c 2009-12-16 15:59:58.000000000 -0600
+++ linux/arch/x86/kernel/bios_uv.c 2009-12-16 16:19:11.000000000 -0600
@@ -15,8 +15,8 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
- * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved.
- * Copyright (c) Russ Anderson
+ * Copyright (c) 2008-2009 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) Russ Anderson <rja@....com>
*/
#include <linux/efi.h>
@@ -30,6 +30,7 @@ static struct uv_systab uv_systab;
s64 uv_bios_call(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3, u64 a4, u64 a5)
{
struct uv_systab *tab = &uv_systab;
+ s64 ret;
if (!tab->function)
/*
@@ -37,9 +38,11 @@ s64 uv_bios_call(enum uv_bios_cmd which,
*/
return BIOS_STATUS_UNIMPLEMENTED;
- return efi_call6((void *)__va(tab->function),
- (u64)which, a1, a2, a3, a4, a5);
+ ret = efi_call6((void *)__va(tab->function), (u64)which,
+ a1, a2, a3, a4, a5);
+ return ret;
}
+EXPORT_SYMBOL_GPL(uv_bios_call);
s64 uv_bios_call_irqsave(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3,
u64 a4, u64 a5)
@@ -73,11 +76,14 @@ long sn_coherency_id;
EXPORT_SYMBOL_GPL(sn_coherency_id);
long sn_region_size;
EXPORT_SYMBOL_GPL(sn_region_size);
+long system_serial_number;
+EXPORT_SYMBOL_GPL(system_serial_number);
int uv_type;
+EXPORT_SYMBOL_GPL(uv_type);
s64 uv_bios_get_sn_info(int fc, int *uvtype, long *partid, long *coher,
- long *region)
+ long *region, long *ssn)
{
s64 ret;
u64 v0, v1;
@@ -97,8 +103,11 @@ s64 uv_bios_get_sn_info(int fc, int *uvt
*coher = part.coherence_id;
if (region)
*region = part.region_size;
+ if (ssn)
+ *ssn = v1;
return ret;
}
+EXPORT_SYMBOL_GPL(uv_bios_get_sn_info);
int
uv_bios_mq_watchlist_alloc(unsigned long addr, unsigned int mq_size,
@@ -185,4 +194,3 @@ void uv_bios_init(void)
void uv_bios_init(void) { }
#endif
-
--
Russ Anderson, OS RAS/Partitioning Project Lead
SGI - Silicon Graphics Inc rja@....com
--
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