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-rw-r--r--include/asm-x86/uv/bios.h94
-rw-r--r--include/asm-x86/uv/uv_irq.h36
2 files changed, 96 insertions, 34 deletions
diff --git a/include/asm-x86/uv/bios.h b/include/asm-x86/uv/bios.h
index 7cd6d7ec1308..215f1969c266 100644
--- a/include/asm-x86/uv/bios.h
+++ b/include/asm-x86/uv/bios.h
@@ -2,9 +2,7 @@
2#define ASM_X86__UV__BIOS_H 2#define ASM_X86__UV__BIOS_H
3 3
4/* 4/*
5 * BIOS layer definitions. 5 * UV BIOS layer definitions.
6 *
7 * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved.
8 * 6 *
9 * This program is free software; you can redistribute it and/or modify 7 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by 8 * it under the terms of the GNU General Public License as published by
@@ -19,50 +17,78 @@
19 * You should have received a copy of the GNU General Public License 17 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software 18 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved.
22 * Copyright (c) Russ Anderson
22 */ 23 */
23 24
24#include <linux/rtc.h> 25#include <linux/rtc.h>
25 26
26#define BIOS_FREQ_BASE 0x01000001 27/*
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.
31 */
32enum uv_bios_cmd {
33 UV_BIOS_COMMON,
34 UV_BIOS_GET_SN_INFO,
35 UV_BIOS_FREQ_BASE
36};
27 37
38/*
39 * Status values returned from a BIOS call.
40 */
28enum { 41enum {
29 BIOS_FREQ_BASE_PLATFORM = 0, 42 BIOS_STATUS_SUCCESS = 0,
30 BIOS_FREQ_BASE_INTERVAL_TIMER = 1, 43 BIOS_STATUS_UNIMPLEMENTED = -ENOSYS,
31 BIOS_FREQ_BASE_REALTIME_CLOCK = 2 44 BIOS_STATUS_EINVAL = -EINVAL,
45 BIOS_STATUS_UNAVAIL = -EBUSY
32}; 46};
33 47
34# define BIOS_CALL(result, a0, a1, a2, a3, a4, a5, a6, a7) \ 48/*
35 do { \ 49 * The UV system table describes specific firmware
36 /* XXX - the real call goes here */ \ 50 * capabilities available to the Linux kernel at runtime.
37 result.status = BIOS_STATUS_UNIMPLEMENTED; \ 51 */
38 isrv.v0 = 0; \ 52struct uv_systab {
39 isrv.v1 = 0; \ 53 char signature[4]; /* must be "UVST" */
40 } while (0) 54 u32 revision; /* distinguish different firmware revs */
55 u64 function; /* BIOS runtime callback function ptr */
56};
41 57
42enum { 58enum {
43 BIOS_STATUS_SUCCESS = 0, 59 BIOS_FREQ_BASE_PLATFORM = 0,
44 BIOS_STATUS_UNIMPLEMENTED = -1, 60 BIOS_FREQ_BASE_INTERVAL_TIMER = 1,
45 BIOS_STATUS_EINVAL = -2, 61 BIOS_FREQ_BASE_REALTIME_CLOCK = 2
46 BIOS_STATUS_ERROR = -3
47}; 62};
48 63
49struct uv_bios_retval { 64union partition_info_u {
50 /* 65 u64 val;
51 * A zero status value indicates call completed without error. 66 struct {
52 * A negative status value indicates reason of call failure. 67 u64 hub_version : 8,
53 * A positive status value indicates success but an 68 partition_id : 16,
54 * informational value should be printed (e.g., "reboot for 69 coherence_id : 16,
55 * change to take effect"). 70 region_size : 24;
56 */ 71 };
57 s64 status;
58 u64 v0;
59 u64 v1;
60 u64 v2;
61}; 72};
62 73
63extern long 74/*
64x86_bios_freq_base(unsigned long which, unsigned long *ticks_per_second, 75 * bios calls have 6 parameters
65 unsigned long *drift_info); 76 */
66extern const char *x86_bios_strerror(long status); 77extern s64 uv_bios_call(enum uv_bios_cmd, u64, u64, u64, u64, u64);
78extern s64 uv_bios_call_irqsave(enum uv_bios_cmd, u64, u64, u64, u64, u64);
79extern s64 uv_bios_call_reentrant(enum uv_bios_cmd, u64, u64, u64, u64, u64);
80
81extern s64 uv_bios_get_sn_info(int, int *, long *, long *, long *);
82extern s64 uv_bios_freq_base(u64, u64 *);
83
84extern void uv_bios_init(void);
85
86extern int uv_type;
87extern long sn_partition_id;
88extern long uv_coherency_id;
89extern long uv_region_size;
90#define partition_coherence_id() (uv_coherency_id)
91
92extern struct kobject *sgi_uv_kobj; /* /sys/firmware/sgi_uv */
67 93
68#endif /* ASM_X86__UV__BIOS_H */ 94#endif /* ASM_X86__UV__BIOS_H */
diff --git a/include/asm-x86/uv/uv_irq.h b/include/asm-x86/uv/uv_irq.h
new file mode 100644
index 000000000000..8bf5f32da9c6
--- /dev/null
+++ b/include/asm-x86/uv/uv_irq.h
@@ -0,0 +1,36 @@
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * SGI UV IRQ definitions
7 *
8 * Copyright (C) 2008 Silicon Graphics, Inc. All rights reserved.
9 */
10
11#ifndef ASM_X86__UV__UV_IRQ_H
12#define ASM_X86__UV__UV_IRQ_H
13
14/* If a generic version of this structure gets defined, eliminate this one. */
15struct uv_IO_APIC_route_entry {
16 __u64 vector : 8,
17 delivery_mode : 3,
18 dest_mode : 1,
19 delivery_status : 1,
20 polarity : 1,
21 __reserved_1 : 1,
22 trigger : 1,
23 mask : 1,
24 __reserved_2 : 15,
25 dest : 32;
26};
27
28extern struct irq_chip uv_irq_chip;
29
30extern int arch_enable_uv_irq(char *, unsigned int, int, int, unsigned long);
31extern void arch_disable_uv_irq(int, unsigned long);
32
33extern int uv_setup_irq(char *, int, int, unsigned long);
34extern void uv_teardown_irq(unsigned int, int, unsigned long);
35
36#endif /* ASM_X86__UV__UV_IRQ_H */