1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
#ifndef _ASM_X86_UV_BIOS_H
#define _ASM_X86_UV_BIOS_H
/*
* UV BIOS layer definitions.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* 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) 2008-2009 Silicon Graphics, Inc. All Rights Reserved.
* Copyright (c) Russ Anderson <rja@sgi.com>
*/
#include <linux/rtc.h>
/*
* Values for the BIOS calls. It is passed as the first * argument in the
* BIOS call. Passing any other value in the first argument will result
* in a BIOS_STATUS_UNIMPLEMENTED return status.
*/
enum uv_bios_cmd {
UV_BIOS_COMMON,
UV_BIOS_GET_SN_INFO,
UV_BIOS_FREQ_BASE,
UV_BIOS_WATCHLIST_ALLOC,
UV_BIOS_WATCHLIST_FREE,
UV_BIOS_MEMPROTECT,
UV_BIOS_GET_PARTITION_ADDR,
UV_BIOS_SET_LEGACY_VGA_TARGET
};
/*
* Status values returned from a BIOS call.
*/
enum {
BIOS_STATUS_MORE_PASSES = 1,
BIOS_STATUS_SUCCESS = 0,
BIOS_STATUS_UNIMPLEMENTED = -ENOSYS,
BIOS_STATUS_EINVAL = -EINVAL,
BIOS_STATUS_UNAVAIL = -EBUSY,
BIOS_STATUS_ABORT = -EINTR,
};
/* Address map parameters */
struct uv_gam_parameters {
u64 mmr_base;
u64 gru_base;
u8 mmr_shift; /* Convert PNode to MMR space offset */
u8 gru_shift; /* Convert PNode to GRU space offset */
u8 gpa_shift; /* Size of offset field in GRU phys addr */
u8 unused1;
};
/* UV_TABLE_GAM_RANGE_ENTRY values */
#define UV_GAM_RANGE_TYPE_UNUSED 0 /* End of table */
#define UV_GAM_RANGE_TYPE_RAM 1 /* Normal RAM */
#define UV_GAM_RANGE_TYPE_NVRAM 2 /* Non-volatile memory */
#define UV_GAM_RANGE_TYPE_NV_WINDOW 3 /* NVMDIMM block window */
#define UV_GAM_RANGE_TYPE_NV_MAILBOX 4 /* NVMDIMM mailbox */
#define UV_GAM_RANGE_TYPE_HOLE 5 /* Unused address range */
#define UV_GAM_RANGE_TYPE_MAX 6
/* The structure stores PA bits 56:26, for 64MB granularity */
#define UV_GAM_RANGE_SHFT 26 /* 64MB */
struct uv_gam_range_entry {
char type; /* Entry type: GAM_RANGE_TYPE_UNUSED, etc. */
char unused1;
u16 nasid; /* HNasid */
u16 sockid; /* Socket ID, high bits of APIC ID */
u16 pnode; /* Index to MMR and GRU spaces */
u32 unused2;
u32 limit; /* PA bits 56:26 (UV_GAM_RANGE_SHFT) */
};
#define UV_SYSTAB_SIG "UVST"
#define UV_SYSTAB_VERSION_1 1 /* UV1/2/3 BIOS version */
#define UV_SYSTAB_VERSION_UV4 0x400 /* UV4 BIOS base version */
#define UV_SYSTAB_VERSION_UV4_1 0x401 /* + gpa_shift */
#define UV_SYSTAB_VERSION_UV4_2 0x402 /* + TYPE_NVRAM/WINDOW/MBOX */
#define UV_SYSTAB_VERSION_UV4_3 0x403 /* - GAM Range PXM Value */
#define UV_SYSTAB_VERSION_UV4_LATEST UV_SYSTAB_VERSION_UV4_3
#define UV_SYSTAB_TYPE_UNUSED 0 /* End of table (offset == 0) */
#define UV_SYSTAB_TYPE_GAM_PARAMS 1 /* GAM PARAM conversions */
#define UV_SYSTAB_TYPE_GAM_RNG_TBL 2 /* GAM entry table */
#define UV_SYSTAB_TYPE_MAX 3
/*
* The UV system table describes specific firmware
* capabilities available to the Linux kernel at runtime.
*/
struct uv_systab {
char signature[4]; /* must be UV_SYSTAB_SIG */
u32 revision; /* distinguish different firmware revs */
u64 function; /* BIOS runtime callback function ptr */
u32 size; /* systab size (starting with _VERSION_UV4) */
struct {
u32 type:8; /* type of entry */
u32 offset:24; /* byte offset from struct start to entry */
} entry[1]; /* additional entries follow */
};
extern struct uv_systab *uv_systab;
/* (... end of definitions from UV BIOS ...) */
enum {
BIOS_FREQ_BASE_PLATFORM = 0,
BIOS_FREQ_BASE_INTERVAL_TIMER = 1,
BIOS_FREQ_BASE_REALTIME_CLOCK = 2
};
union partition_info_u {
u64 val;
struct {
u64 hub_version : 8,
partition_id : 16,
coherence_id : 16,
region_size : 24;
};
};
enum uv_memprotect {
UV_MEMPROT_RESTRICT_ACCESS,
UV_MEMPROT_ALLOW_AMO,
UV_MEMPROT_ALLOW_RW
};
/*
* bios calls have 6 parameters
*/
extern s64 uv_bios_call(enum uv_bios_cmd, u64, u64, u64, u64, u64);
extern s64 uv_bios_call_irqsave(enum uv_bios_cmd, u64, u64, u64, u64, u64);
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 *);
extern int uv_bios_mq_watchlist_free(int, int);
extern s64 uv_bios_change_memprotect(u64, u64, enum uv_memprotect);
extern s64 uv_bios_reserved_page_pa(u64, u64 *, u64 *, u64 *);
extern int uv_bios_set_legacy_vga_target(bool decode, int domain, int bus);
extern void uv_bios_init(void);
extern unsigned long sn_rtc_cycles_per_second;
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 uv_partition_coherence_id() (sn_coherency_id)
extern struct kobject *sgi_uv_kobj; /* /sys/firmware/sgi_uv */
/*
* EFI runtime lock; cf. firmware/efi/runtime-wrappers.c for details
*/
extern struct semaphore __efi_uv_runtime_lock;
#endif /* _ASM_X86_UV_BIOS_H */
|
