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Pull sn-features into release branch

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This commit is contained in:
Tony Luck 2005-09-11 14:34:23 -07:00
commit d67eb16f5d
3 changed files with 103 additions and 20 deletions
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30
arch/ia64/sn/kernel/setup.c
View file

@ -49,6 +49,7 @@
#include <asm/sn/clksupport.h>
#include <asm/sn/sn_sal.h>
#include <asm/sn/geo.h>
#include <asm/sn/sn_feature_sets.h>
#include "xtalk/xwidgetdev.h"
#include "xtalk/hubdev.h"
#include <asm/sn/klconfig.h>
@ -97,6 +98,7 @@ EXPORT_SYMBOL(sn_region_size);
int sn_prom_type; /* 0=hardware, 1=medusa/realprom, 2=medusa/fakeprom */
short physical_node_map[MAX_PHYSNODE_ID];
static unsigned long sn_prom_features[MAX_PROM_FEATURE_SETS];
EXPORT_SYMBOL(physical_node_map);
@ -271,7 +273,10 @@ void __init sn_setup(char **cmdline_p)
u32 version = sn_sal_rev();
extern void sn_cpu_init(void);
ia64_sn_plat_set_error_handling_features();
ia64_sn_plat_set_error_handling_features(); // obsolete
ia64_sn_set_os_feature(OSF_MCA_SLV_TO_OS_INIT_SLV);
ia64_sn_set_os_feature(OSF_FEAT_LOG_SBES);
#if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE)
/*
@ -314,16 +319,6 @@ void __init sn_setup(char **cmdline_p)
printk("SGI SAL version %x.%02x\n", version >> 8, version & 0x00FF);
/*
* Confirm the SAL we're running on is recent enough...
*/
if (version < SN_SAL_MIN_VERSION) {
printk(KERN_ERR "This kernel needs SGI SAL version >= "
"%x.%02x\n", SN_SAL_MIN_VERSION >> 8,
SN_SAL_MIN_VERSION & 0x00FF);
panic("PROM version too old\n");
}
master_nasid = boot_get_nasid();
status =
@ -480,6 +475,10 @@ void __init sn_cpu_init(void)
if (nodepdaindr[0] == NULL)
return;
for (i = 0; i < MAX_PROM_FEATURE_SETS; i++)
if (ia64_sn_get_prom_feature_set(i, &sn_prom_features[i]) != 0)
break;
cpuid = smp_processor_id();
cpuphyid = get_sapicid();
@ -651,3 +650,12 @@ nasid_slice_to_cpuid(int nasid, int slice)
return -1;
}
int sn_prom_feature_available(int id)
{
if (id >= BITS_PER_LONG * MAX_PROM_FEATURE_SETS)
return 0;
return test_bit(id, sn_prom_features);
}
EXPORT_SYMBOL(sn_prom_feature_available);

57
include/asm-ia64/sn/sn_feature_sets.h Normal file
View file

@ -0,0 +1,57 @@
#ifndef _ASM_IA64_SN_FEATURE_SETS_H
#define _ASM_IA64_SN_FEATURE_SETS_H
/*
* SN PROM Features
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (c) 2005 Silicon Graphics, Inc. All rights reserved.
*/
#include <asm/types.h>
#include <asm/bitops.h>
/* --------------------- PROM Features -----------------------------*/
extern int sn_prom_feature_available(int id);
#define MAX_PROM_FEATURE_SETS 2
/*
* The following defines features that may or may not be supported by the
* current PROM. The OS uses sn_prom_feature_available(feature) to test for
* the presence of a PROM feature. Down rev (old) PROMs will always test
* "false" for new features.
*
* Use:
* if (sn_prom_feature_available(PRF_FEATURE_XXX))
* ...
*/
/*
* Example: feature XXX
*/
#define PRF_FEATURE_XXX 0
/* --------------------- OS Features -------------------------------*/
/*
* The following defines OS features that are optionally present in
* the operating system.
* During boot, PROM is notified of these features via a series of calls:
*
* ia64_sn_set_os_feature(feature1);
*
* Once enabled, a feature cannot be disabled.
*
* By default, features are disabled unless explicitly enabled.
*/
#define OSF_MCA_SLV_TO_OS_INIT_SLV 0
#define OSF_FEAT_LOG_SBES 1
#endif /* _ASM_IA64_SN_FEATURE_SETS_H */

36
include/asm-ia64/sn/sn_sal.h
View file

@ -80,6 +80,9 @@
#define SN_SAL_RESERVED_DO_NOT_USE 0x02000062
#define SN_SAL_IOIF_GET_PCI_TOPOLOGY 0x02000064
#define SN_SAL_GET_PROM_FEATURE_SET 0x02000065
#define SN_SAL_SET_OS_FEATURE_SET 0x02000066
/*
* Service-specific constants
*/
@ -118,8 +121,8 @@
/*
* Error Handling Features
*/
#define SAL_ERR_FEAT_MCA_SLV_TO_OS_INIT_SLV 0x1
#define SAL_ERR_FEAT_LOG_SBES 0x2
#define SAL_ERR_FEAT_MCA_SLV_TO_OS_INIT_SLV 0x1 // obsolete
#define SAL_ERR_FEAT_LOG_SBES 0x2 // obsolete
#define SAL_ERR_FEAT_MFR_OVERRIDE 0x4
#define SAL_ERR_FEAT_SBE_THRESHOLD 0xffff0000
@ -151,12 +154,6 @@ sn_sal_rev(void)
return (u32)(systab->sal_b_rev_major << 8 | systab->sal_b_rev_minor);
}
/*
* Specify the minimum PROM revsion required for this kernel.
* Note that they're stored in hex format...
*/
#define SN_SAL_MIN_VERSION 0x0404
/*
* Returns the master console nasid, if the call fails, return an illegal
* value.
@ -336,7 +333,7 @@ ia64_sn_plat_cpei_handler(void)
}
/*
* Set Error Handling Features
* Set Error Handling Features (Obsolete)
*/
static inline u64
ia64_sn_plat_set_error_handling_features(void)
@ -1052,4 +1049,25 @@ ia64_sn_is_fake_prom(void)
return (rv.status == 0);
}
static inline int
ia64_sn_get_prom_feature_set(int set, unsigned long *feature_set)
{
struct ia64_sal_retval rv;
SAL_CALL_NOLOCK(rv, SN_SAL_GET_PROM_FEATURE_SET, set, 0, 0, 0, 0, 0, 0);
if (rv.status != 0)
return rv.status;
*feature_set = rv.v0;
return 0;
}
static inline int
ia64_sn_set_os_feature(int feature)
{
struct ia64_sal_retval rv;
SAL_CALL_NOLOCK(rv, SN_SAL_SET_OS_FEATURE_SET, feature, 0, 0, 0, 0, 0, 0);
return rv.status;
}
#endif /* _ASM_IA64_SN_SN_SAL_H */