1 #ifndef _ASM_X86_UV__BIOS_H
2 #define _ASM_X86_UV__BIOS_H
5 * UV BIOS layer definitions.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved.
22 * Copyright (c) Russ Anderson
25 #include <linux/rtc.h>
28 * Values for the BIOS calls. It is passed as the first * argument in the
29 * BIOS call. Passing any other value in the first argument will result
30 * in a BIOS_STATUS_UNIMPLEMENTED return status.
39 * Status values returned from a BIOS call.
42 BIOS_STATUS_SUCCESS
= 0,
43 BIOS_STATUS_UNIMPLEMENTED
= -ENOSYS
,
44 BIOS_STATUS_EINVAL
= -EINVAL
,
45 BIOS_STATUS_UNAVAIL
= -EBUSY
49 * The UV system table describes specific firmware
50 * capabilities available to the Linux kernel at runtime.
53 char signature
[4]; /* must be "UVST" */
54 u32 revision
; /* distinguish different firmware revs */
55 u64 function
; /* BIOS runtime callback function ptr */
59 BIOS_FREQ_BASE_PLATFORM
= 0,
60 BIOS_FREQ_BASE_INTERVAL_TIMER
= 1,
61 BIOS_FREQ_BASE_REALTIME_CLOCK
= 2
64 union partition_info_u
{
75 * bios calls have 6 parameters
77 extern s64
uv_bios_call(enum uv_bios_cmd
, u64
, u64
, u64
, u64
, u64
);
78 extern s64
uv_bios_call_irqsave(enum uv_bios_cmd
, u64
, u64
, u64
, u64
, u64
);
79 extern s64
uv_bios_call_reentrant(enum uv_bios_cmd
, u64
, u64
, u64
, u64
, u64
);
81 extern s64
uv_bios_get_sn_info(int, int *, long *, long *, long *);
82 extern s64
uv_bios_freq_base(u64
, u64
*);
84 extern void uv_bios_init(void);
87 extern long sn_partition_id
;
88 extern long uv_coherency_id
;
89 extern long uv_region_size
;
90 #define partition_coherence_id() (uv_coherency_id)
92 extern struct kobject
*sgi_uv_kobj
; /* /sys/firmware/sgi_uv */
94 #endif /* _ASM_X86_UV__BIOS_H */