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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _ASM_IA64_SN_SN_SAL_H
2#define _ASM_IA64_SN_SN_SAL_H
3
4/*
5 * System Abstraction Layer definitions for IA64
6 *
7 * This file is subject to the terms and conditions of the GNU General Public
8 * License. See the file "COPYING" in the main directory of this archive
9 * for more details.
10 *
Russ Anderson308a8782006-04-18 11:26:34 -050011 * Copyright (c) 2000-2006 Silicon Graphics, Inc. All rights reserved.
Linus Torvalds1da177e2005-04-16 15:20:36 -070012 */
13
14
Linus Torvalds1da177e2005-04-16 15:20:36 -070015#include <asm/sal.h>
16#include <asm/sn/sn_cpuid.h>
17#include <asm/sn/arch.h>
18#include <asm/sn/geo.h>
19#include <asm/sn/nodepda.h>
20#include <asm/sn/shub_mmr.h>
21
22// SGI Specific Calls
23#define SN_SAL_POD_MODE 0x02000001
24#define SN_SAL_SYSTEM_RESET 0x02000002
25#define SN_SAL_PROBE 0x02000003
26#define SN_SAL_GET_MASTER_NASID 0x02000004
27#define SN_SAL_GET_KLCONFIG_ADDR 0x02000005
28#define SN_SAL_LOG_CE 0x02000006
29#define SN_SAL_REGISTER_CE 0x02000007
30#define SN_SAL_GET_PARTITION_ADDR 0x02000009
31#define SN_SAL_XP_ADDR_REGION 0x0200000f
32#define SN_SAL_NO_FAULT_ZONE_VIRTUAL 0x02000010
33#define SN_SAL_NO_FAULT_ZONE_PHYSICAL 0x02000011
34#define SN_SAL_PRINT_ERROR 0x02000012
35#define SN_SAL_SET_ERROR_HANDLING_FEATURES 0x0200001a // reentrant
36#define SN_SAL_GET_FIT_COMPT 0x0200001b // reentrant
Linus Torvalds1da177e2005-04-16 15:20:36 -070037#define SN_SAL_GET_SAPIC_INFO 0x0200001d
Jack Steinerbf1cf98f2005-04-25 11:42:39 -070038#define SN_SAL_GET_SN_INFO 0x0200001e
Linus Torvalds1da177e2005-04-16 15:20:36 -070039#define SN_SAL_CONSOLE_PUTC 0x02000021
40#define SN_SAL_CONSOLE_GETC 0x02000022
41#define SN_SAL_CONSOLE_PUTS 0x02000023
42#define SN_SAL_CONSOLE_GETS 0x02000024
43#define SN_SAL_CONSOLE_GETS_TIMEOUT 0x02000025
44#define SN_SAL_CONSOLE_POLL 0x02000026
45#define SN_SAL_CONSOLE_INTR 0x02000027
46#define SN_SAL_CONSOLE_PUTB 0x02000028
47#define SN_SAL_CONSOLE_XMIT_CHARS 0x0200002a
48#define SN_SAL_CONSOLE_READC 0x0200002b
Bruce Losure25732ad2005-09-02 15:16:35 -050049#define SN_SAL_SYSCTL_OP 0x02000030
Linus Torvalds1da177e2005-04-16 15:20:36 -070050#define SN_SAL_SYSCTL_MODID_GET 0x02000031
51#define SN_SAL_SYSCTL_GET 0x02000032
52#define SN_SAL_SYSCTL_IOBRICK_MODULE_GET 0x02000033
53#define SN_SAL_SYSCTL_IO_PORTSPEED_GET 0x02000035
54#define SN_SAL_SYSCTL_SLAB_GET 0x02000036
55#define SN_SAL_BUS_CONFIG 0x02000037
56#define SN_SAL_SYS_SERIAL_GET 0x02000038
57#define SN_SAL_PARTITION_SERIAL_GET 0x02000039
Jack Steiner771388d2005-11-18 16:11:27 -060058#define SN_SAL_SYSCTL_PARTITION_GET 0x0200003a
Linus Torvalds1da177e2005-04-16 15:20:36 -070059#define SN_SAL_SYSTEM_POWER_DOWN 0x0200003b
60#define SN_SAL_GET_MASTER_BASEIO_NASID 0x0200003c
61#define SN_SAL_COHERENCE 0x0200003d
62#define SN_SAL_MEMPROTECT 0x0200003e
63#define SN_SAL_SYSCTL_FRU_CAPTURE 0x0200003f
64
65#define SN_SAL_SYSCTL_IOBRICK_PCI_OP 0x02000042 // reentrant
66#define SN_SAL_IROUTER_OP 0x02000043
Greg Howard67639de2005-04-25 13:28:52 -070067#define SN_SAL_SYSCTL_EVENT 0x02000044
Linus Torvalds1da177e2005-04-16 15:20:36 -070068#define SN_SAL_IOIF_INTERRUPT 0x0200004a
69#define SN_SAL_HWPERF_OP 0x02000050 // lock
70#define SN_SAL_IOIF_ERROR_INTERRUPT 0x02000051
Mark Maule61b9cf72005-09-23 12:31:53 -050071#define SN_SAL_IOIF_PCI_SAFE 0x02000052
Linus Torvalds1da177e2005-04-16 15:20:36 -070072#define SN_SAL_IOIF_SLOT_ENABLE 0x02000053
73#define SN_SAL_IOIF_SLOT_DISABLE 0x02000054
74#define SN_SAL_IOIF_GET_HUBDEV_INFO 0x02000055
75#define SN_SAL_IOIF_GET_PCIBUS_INFO 0x02000056
76#define SN_SAL_IOIF_GET_PCIDEV_INFO 0x02000057
Prarit Bhargava6d6e4202005-12-23 13:33:25 -050077#define SN_SAL_IOIF_GET_WIDGET_DMAFLUSH_LIST 0x02000058 // deprecated
78#define SN_SAL_IOIF_GET_DEVICE_DMAFLUSH_LIST 0x0200005a
Linus Torvalds1da177e2005-04-16 15:20:36 -070079
John Keller8ea60912006-10-04 16:49:25 -050080#define SN_SAL_IOIF_INIT 0x0200005f
Linus Torvalds1da177e2005-04-16 15:20:36 -070081#define SN_SAL_HUB_ERROR_INTERRUPT 0x02000060
Russ Anderson93a07d02005-04-25 13:19:52 -070082#define SN_SAL_BTE_RECOVER 0x02000061
Mark Goodwinecc3c302005-08-16 00:50:00 -070083#define SN_SAL_RESERVED_DO_NOT_USE 0x02000062
84#define SN_SAL_IOIF_GET_PCI_TOPOLOGY 0x02000064
Linus Torvalds1da177e2005-04-16 15:20:36 -070085
Jack Steinera1cddb82005-08-31 08:05:00 -070086#define SN_SAL_GET_PROM_FEATURE_SET 0x02000065
87#define SN_SAL_SET_OS_FEATURE_SET 0x02000066
Russ Anderson86db2f42006-04-20 17:05:43 -070088#define SN_SAL_INJECT_ERROR 0x02000067
Jack Steiner9d56d872006-04-27 20:01:05 -050089#define SN_SAL_SET_CPU_NUMBER 0x02000068
Jack Steinera1cddb82005-08-31 08:05:00 -070090
Linus Torvalds1da177e2005-04-16 15:20:36 -070091/*
92 * Service-specific constants
93 */
94
95/* Console interrupt manipulation */
96 /* action codes */
97#define SAL_CONSOLE_INTR_OFF 0 /* turn the interrupt off */
98#define SAL_CONSOLE_INTR_ON 1 /* turn the interrupt on */
99#define SAL_CONSOLE_INTR_STATUS 2 /* retrieve the interrupt status */
100 /* interrupt specification & status return codes */
101#define SAL_CONSOLE_INTR_XMIT 1 /* output interrupt */
102#define SAL_CONSOLE_INTR_RECV 2 /* input interrupt */
103
104/* interrupt handling */
105#define SAL_INTR_ALLOC 1
106#define SAL_INTR_FREE 2
107
108/*
Bruce Losure25732ad2005-09-02 15:16:35 -0500109 * operations available on the generic SN_SAL_SYSCTL_OP
110 * runtime service
111 */
112#define SAL_SYSCTL_OP_IOBOARD 0x0001 /* retrieve board type */
113#define SAL_SYSCTL_OP_TIO_JLCK_RST 0x0002 /* issue TIO clock reset */
114
115/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700116 * IRouter (i.e. generalized system controller) operations
117 */
118#define SAL_IROUTER_OPEN 0 /* open a subchannel */
119#define SAL_IROUTER_CLOSE 1 /* close a subchannel */
120#define SAL_IROUTER_SEND 2 /* send part of an IRouter packet */
121#define SAL_IROUTER_RECV 3 /* receive part of an IRouter packet */
122#define SAL_IROUTER_INTR_STATUS 4 /* check the interrupt status for
123 * an open subchannel
124 */
125#define SAL_IROUTER_INTR_ON 5 /* enable an interrupt */
126#define SAL_IROUTER_INTR_OFF 6 /* disable an interrupt */
127#define SAL_IROUTER_INIT 7 /* initialize IRouter driver */
128
129/* IRouter interrupt mask bits */
130#define SAL_IROUTER_INTR_XMIT SAL_CONSOLE_INTR_XMIT
131#define SAL_IROUTER_INTR_RECV SAL_CONSOLE_INTR_RECV
132
Russ Anderson6872ec52005-05-16 15:30:00 -0700133/*
134 * Error Handling Features
135 */
Jack Steinera1cddb82005-08-31 08:05:00 -0700136#define SAL_ERR_FEAT_MCA_SLV_TO_OS_INIT_SLV 0x1 // obsolete
137#define SAL_ERR_FEAT_LOG_SBES 0x2 // obsolete
Russ Anderson6872ec52005-05-16 15:30:00 -0700138#define SAL_ERR_FEAT_MFR_OVERRIDE 0x4
139#define SAL_ERR_FEAT_SBE_THRESHOLD 0xffff0000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700140
141/*
142 * SAL Error Codes
143 */
144#define SALRET_MORE_PASSES 1
145#define SALRET_OK 0
146#define SALRET_NOT_IMPLEMENTED (-1)
147#define SALRET_INVALID_ARG (-2)
148#define SALRET_ERROR (-3)
149
Jack Steiner71a5d022005-05-10 08:01:00 -0700150#define SN_SAL_FAKE_PROM 0x02009999
151
Linus Torvalds1da177e2005-04-16 15:20:36 -0700152/**
Prarit Bhargava283c7f62005-07-06 15:29:13 -0700153 * sn_sal_revision - get the SGI SAL revision number
154 *
155 * The SGI PROM stores its version in the sal_[ab]_rev_(major|minor).
156 * This routine simply extracts the major and minor values and
157 * presents them in a u32 format.
158 *
159 * For example, version 4.05 would be represented at 0x0405.
160 */
161static inline u32
162sn_sal_rev(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700163{
Bjorn Helgaasb2c99e32006-03-26 01:37:08 -0800164 struct ia64_sal_systab *systab = __va(efi.sal_systab);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165
Prarit Bhargava283c7f62005-07-06 15:29:13 -0700166 return (u32)(systab->sal_b_rev_major << 8 | systab->sal_b_rev_minor);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700167}
168
169/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700170 * Returns the master console nasid, if the call fails, return an illegal
171 * value.
172 */
173static inline u64
174ia64_sn_get_console_nasid(void)
175{
176 struct ia64_sal_retval ret_stuff;
177
178 ret_stuff.status = 0;
179 ret_stuff.v0 = 0;
180 ret_stuff.v1 = 0;
181 ret_stuff.v2 = 0;
182 SAL_CALL(ret_stuff, SN_SAL_GET_MASTER_NASID, 0, 0, 0, 0, 0, 0, 0);
183
184 if (ret_stuff.status < 0)
185 return ret_stuff.status;
186
187 /* Master console nasid is in 'v0' */
188 return ret_stuff.v0;
189}
190
191/*
192 * Returns the master baseio nasid, if the call fails, return an illegal
193 * value.
194 */
195static inline u64
196ia64_sn_get_master_baseio_nasid(void)
197{
198 struct ia64_sal_retval ret_stuff;
199
200 ret_stuff.status = 0;
201 ret_stuff.v0 = 0;
202 ret_stuff.v1 = 0;
203 ret_stuff.v2 = 0;
204 SAL_CALL(ret_stuff, SN_SAL_GET_MASTER_BASEIO_NASID, 0, 0, 0, 0, 0, 0, 0);
205
206 if (ret_stuff.status < 0)
207 return ret_stuff.status;
208
209 /* Master baseio nasid is in 'v0' */
210 return ret_stuff.v0;
211}
212
Jack Steiner24ee0a62005-09-12 12:15:43 -0500213static inline void *
Linus Torvalds1da177e2005-04-16 15:20:36 -0700214ia64_sn_get_klconfig_addr(nasid_t nasid)
215{
216 struct ia64_sal_retval ret_stuff;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700217
Linus Torvalds1da177e2005-04-16 15:20:36 -0700218 ret_stuff.status = 0;
219 ret_stuff.v0 = 0;
220 ret_stuff.v1 = 0;
221 ret_stuff.v2 = 0;
222 SAL_CALL(ret_stuff, SN_SAL_GET_KLCONFIG_ADDR, (u64)nasid, 0, 0, 0, 0, 0, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700223 return ret_stuff.v0 ? __va(ret_stuff.v0) : NULL;
224}
225
226/*
227 * Returns the next console character.
228 */
229static inline u64
230ia64_sn_console_getc(int *ch)
231{
232 struct ia64_sal_retval ret_stuff;
233
234 ret_stuff.status = 0;
235 ret_stuff.v0 = 0;
236 ret_stuff.v1 = 0;
237 ret_stuff.v2 = 0;
238 SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_GETC, 0, 0, 0, 0, 0, 0, 0);
239
240 /* character is in 'v0' */
241 *ch = (int)ret_stuff.v0;
242
243 return ret_stuff.status;
244}
245
246/*
247 * Read a character from the SAL console device, after a previous interrupt
248 * or poll operation has given us to know that a character is available
249 * to be read.
250 */
251static inline u64
252ia64_sn_console_readc(void)
253{
254 struct ia64_sal_retval ret_stuff;
255
256 ret_stuff.status = 0;
257 ret_stuff.v0 = 0;
258 ret_stuff.v1 = 0;
259 ret_stuff.v2 = 0;
260 SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_READC, 0, 0, 0, 0, 0, 0, 0);
261
262 /* character is in 'v0' */
263 return ret_stuff.v0;
264}
265
266/*
267 * Sends the given character to the console.
268 */
269static inline u64
270ia64_sn_console_putc(char ch)
271{
272 struct ia64_sal_retval ret_stuff;
273
274 ret_stuff.status = 0;
275 ret_stuff.v0 = 0;
276 ret_stuff.v1 = 0;
277 ret_stuff.v2 = 0;
Prarit Bhargava53493dc2006-01-16 19:54:40 -0800278 SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_PUTC, (u64)ch, 0, 0, 0, 0, 0, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700279
280 return ret_stuff.status;
281}
282
283/*
284 * Sends the given buffer to the console.
285 */
286static inline u64
287ia64_sn_console_putb(const char *buf, int len)
288{
289 struct ia64_sal_retval ret_stuff;
290
291 ret_stuff.status = 0;
292 ret_stuff.v0 = 0;
293 ret_stuff.v1 = 0;
294 ret_stuff.v2 = 0;
Prarit Bhargava53493dc2006-01-16 19:54:40 -0800295 SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_PUTB, (u64)buf, (u64)len, 0, 0, 0, 0, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700296
297 if ( ret_stuff.status == 0 ) {
298 return ret_stuff.v0;
299 }
300 return (u64)0;
301}
302
303/*
304 * Print a platform error record
305 */
306static inline u64
307ia64_sn_plat_specific_err_print(int (*hook)(const char*, ...), char *rec)
308{
309 struct ia64_sal_retval ret_stuff;
310
311 ret_stuff.status = 0;
312 ret_stuff.v0 = 0;
313 ret_stuff.v1 = 0;
314 ret_stuff.v2 = 0;
Prarit Bhargava53493dc2006-01-16 19:54:40 -0800315 SAL_CALL_REENTRANT(ret_stuff, SN_SAL_PRINT_ERROR, (u64)hook, (u64)rec, 0, 0, 0, 0, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700316
317 return ret_stuff.status;
318}
319
320/*
321 * Check for Platform errors
322 */
323static inline u64
324ia64_sn_plat_cpei_handler(void)
325{
326 struct ia64_sal_retval ret_stuff;
327
328 ret_stuff.status = 0;
329 ret_stuff.v0 = 0;
330 ret_stuff.v1 = 0;
331 ret_stuff.v2 = 0;
332 SAL_CALL_NOLOCK(ret_stuff, SN_SAL_LOG_CE, 0, 0, 0, 0, 0, 0, 0);
333
334 return ret_stuff.status;
335}
336
337/*
Jack Steinera1cddb82005-08-31 08:05:00 -0700338 * Set Error Handling Features (Obsolete)
Russ Anderson6872ec52005-05-16 15:30:00 -0700339 */
340static inline u64
341ia64_sn_plat_set_error_handling_features(void)
342{
343 struct ia64_sal_retval ret_stuff;
344
345 ret_stuff.status = 0;
346 ret_stuff.v0 = 0;
347 ret_stuff.v1 = 0;
348 ret_stuff.v2 = 0;
349 SAL_CALL_REENTRANT(ret_stuff, SN_SAL_SET_ERROR_HANDLING_FEATURES,
Russ Andersonea959722006-05-10 11:09:01 -0500350 SAL_ERR_FEAT_LOG_SBES,
Russ Anderson6872ec52005-05-16 15:30:00 -0700351 0, 0, 0, 0, 0, 0);
352
353 return ret_stuff.status;
354}
355
356/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700357 * Checks for console input.
358 */
359static inline u64
360ia64_sn_console_check(int *result)
361{
362 struct ia64_sal_retval ret_stuff;
363
364 ret_stuff.status = 0;
365 ret_stuff.v0 = 0;
366 ret_stuff.v1 = 0;
367 ret_stuff.v2 = 0;
368 SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_POLL, 0, 0, 0, 0, 0, 0, 0);
369
370 /* result is in 'v0' */
371 *result = (int)ret_stuff.v0;
372
373 return ret_stuff.status;
374}
375
376/*
377 * Checks console interrupt status
378 */
379static inline u64
380ia64_sn_console_intr_status(void)
381{
382 struct ia64_sal_retval ret_stuff;
383
384 ret_stuff.status = 0;
385 ret_stuff.v0 = 0;
386 ret_stuff.v1 = 0;
387 ret_stuff.v2 = 0;
388 SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_INTR,
389 0, SAL_CONSOLE_INTR_STATUS,
390 0, 0, 0, 0, 0);
391
392 if (ret_stuff.status == 0) {
393 return ret_stuff.v0;
394 }
395
396 return 0;
397}
398
399/*
400 * Enable an interrupt on the SAL console device.
401 */
402static inline void
Prarit Bhargava53493dc2006-01-16 19:54:40 -0800403ia64_sn_console_intr_enable(u64 intr)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700404{
405 struct ia64_sal_retval ret_stuff;
406
407 ret_stuff.status = 0;
408 ret_stuff.v0 = 0;
409 ret_stuff.v1 = 0;
410 ret_stuff.v2 = 0;
411 SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_INTR,
412 intr, SAL_CONSOLE_INTR_ON,
413 0, 0, 0, 0, 0);
414}
415
416/*
417 * Disable an interrupt on the SAL console device.
418 */
419static inline void
Prarit Bhargava53493dc2006-01-16 19:54:40 -0800420ia64_sn_console_intr_disable(u64 intr)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700421{
422 struct ia64_sal_retval ret_stuff;
423
424 ret_stuff.status = 0;
425 ret_stuff.v0 = 0;
426 ret_stuff.v1 = 0;
427 ret_stuff.v2 = 0;
428 SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_INTR,
429 intr, SAL_CONSOLE_INTR_OFF,
430 0, 0, 0, 0, 0);
431}
432
433/*
434 * Sends a character buffer to the console asynchronously.
435 */
436static inline u64
437ia64_sn_console_xmit_chars(char *buf, int len)
438{
439 struct ia64_sal_retval ret_stuff;
440
441 ret_stuff.status = 0;
442 ret_stuff.v0 = 0;
443 ret_stuff.v1 = 0;
444 ret_stuff.v2 = 0;
445 SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_XMIT_CHARS,
Prarit Bhargava53493dc2006-01-16 19:54:40 -0800446 (u64)buf, (u64)len,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700447 0, 0, 0, 0, 0);
448
449 if (ret_stuff.status == 0) {
450 return ret_stuff.v0;
451 }
452
453 return 0;
454}
455
456/*
457 * Returns the iobrick module Id
458 */
459static inline u64
460ia64_sn_sysctl_iobrick_module_get(nasid_t nasid, int *result)
461{
462 struct ia64_sal_retval ret_stuff;
463
464 ret_stuff.status = 0;
465 ret_stuff.v0 = 0;
466 ret_stuff.v1 = 0;
467 ret_stuff.v2 = 0;
468 SAL_CALL_NOLOCK(ret_stuff, SN_SAL_SYSCTL_IOBRICK_MODULE_GET, nasid, 0, 0, 0, 0, 0, 0);
469
470 /* result is in 'v0' */
471 *result = (int)ret_stuff.v0;
472
473 return ret_stuff.status;
474}
475
476/**
477 * ia64_sn_pod_mode - call the SN_SAL_POD_MODE function
478 *
479 * SN_SAL_POD_MODE actually takes an argument, but it's always
480 * 0 when we call it from the kernel, so we don't have to expose
481 * it to the caller.
482 */
483static inline u64
484ia64_sn_pod_mode(void)
485{
486 struct ia64_sal_retval isrv;
Russ Anderson8eac3752005-05-16 15:19:00 -0700487 SAL_CALL_REENTRANT(isrv, SN_SAL_POD_MODE, 0, 0, 0, 0, 0, 0, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700488 if (isrv.status)
489 return 0;
490 return isrv.v0;
491}
492
493/**
494 * ia64_sn_probe_mem - read from memory safely
495 * @addr: address to probe
496 * @size: number bytes to read (1,2,4,8)
497 * @data_ptr: address to store value read by probe (-1 returned if probe fails)
498 *
499 * Call into the SAL to do a memory read. If the read generates a machine
500 * check, this routine will recover gracefully and return -1 to the caller.
501 * @addr is usually a kernel virtual address in uncached space (i.e. the
502 * address starts with 0xc), but if called in physical mode, @addr should
503 * be a physical address.
504 *
505 * Return values:
506 * 0 - probe successful
507 * 1 - probe failed (generated MCA)
508 * 2 - Bad arg
509 * <0 - PAL error
510 */
511static inline u64
512ia64_sn_probe_mem(long addr, long size, void *data_ptr)
513{
514 struct ia64_sal_retval isrv;
515
516 SAL_CALL(isrv, SN_SAL_PROBE, addr, size, 0, 0, 0, 0, 0);
517
518 if (data_ptr) {
519 switch (size) {
520 case 1:
521 *((u8*)data_ptr) = (u8)isrv.v0;
522 break;
523 case 2:
524 *((u16*)data_ptr) = (u16)isrv.v0;
525 break;
526 case 4:
527 *((u32*)data_ptr) = (u32)isrv.v0;
528 break;
529 case 8:
530 *((u64*)data_ptr) = (u64)isrv.v0;
531 break;
532 default:
533 isrv.status = 2;
534 }
535 }
536 return isrv.status;
537}
538
539/*
540 * Retrieve the system serial number as an ASCII string.
541 */
542static inline u64
543ia64_sn_sys_serial_get(char *buf)
544{
545 struct ia64_sal_retval ret_stuff;
546 SAL_CALL_NOLOCK(ret_stuff, SN_SAL_SYS_SERIAL_GET, buf, 0, 0, 0, 0, 0, 0);
547 return ret_stuff.status;
548}
549
550extern char sn_system_serial_number_string[];
551extern u64 sn_partition_serial_number;
552
553static inline char *
554sn_system_serial_number(void) {
555 if (sn_system_serial_number_string[0]) {
556 return(sn_system_serial_number_string);
557 } else {
558 ia64_sn_sys_serial_get(sn_system_serial_number_string);
559 return(sn_system_serial_number_string);
560 }
561}
562
563
564/*
565 * Returns a unique id number for this system and partition (suitable for
566 * use with license managers), based in part on the system serial number.
567 */
568static inline u64
569ia64_sn_partition_serial_get(void)
570{
571 struct ia64_sal_retval ret_stuff;
Dean Nelsonb48fc7b2005-03-23 19:05:00 -0700572 ia64_sal_oemcall_reentrant(&ret_stuff, SN_SAL_PARTITION_SERIAL_GET, 0,
573 0, 0, 0, 0, 0, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700574 if (ret_stuff.status != 0)
575 return 0;
576 return ret_stuff.v0;
577}
578
579static inline u64
580sn_partition_serial_number_val(void) {
Dean Nelsonb48fc7b2005-03-23 19:05:00 -0700581 if (unlikely(sn_partition_serial_number == 0)) {
582 sn_partition_serial_number = ia64_sn_partition_serial_get();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700583 }
Dean Nelsonb48fc7b2005-03-23 19:05:00 -0700584 return sn_partition_serial_number;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700585}
586
587/*
Jack Steiner771388d2005-11-18 16:11:27 -0600588 * Returns the partition id of the nasid passed in as an argument,
589 * or INVALID_PARTID if the partition id cannot be retrieved.
590 */
591static inline partid_t
592ia64_sn_sysctl_partition_get(nasid_t nasid)
593{
594 struct ia64_sal_retval ret_stuff;
595 SAL_CALL(ret_stuff, SN_SAL_SYSCTL_PARTITION_GET, nasid,
596 0, 0, 0, 0, 0, 0);
597 if (ret_stuff.status != 0)
598 return -1;
599 return ((partid_t)ret_stuff.v0);
600}
601
602/*
Dean Nelsonb48fc7b2005-03-23 19:05:00 -0700603 * Returns the physical address of the partition's reserved page through
604 * an iterative number of calls.
605 *
606 * On first call, 'cookie' and 'len' should be set to 0, and 'addr'
607 * set to the nasid of the partition whose reserved page's address is
608 * being sought.
609 * On subsequent calls, pass the values, that were passed back on the
610 * previous call.
611 *
612 * While the return status equals SALRET_MORE_PASSES, keep calling
613 * this function after first copying 'len' bytes starting at 'addr'
614 * into 'buf'. Once the return status equals SALRET_OK, 'addr' will
615 * be the physical address of the partition's reserved page. If the
616 * return status equals neither of these, an error as occurred.
617 */
618static inline s64
619sn_partition_reserved_page_pa(u64 buf, u64 *cookie, u64 *addr, u64 *len)
620{
621 struct ia64_sal_retval rv;
622 ia64_sal_oemcall_reentrant(&rv, SN_SAL_GET_PARTITION_ADDR, *cookie,
623 *addr, buf, *len, 0, 0, 0);
624 *cookie = rv.v0;
625 *addr = rv.v1;
626 *len = rv.v2;
627 return rv.status;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700628}
629
630/*
631 * Register or unregister a physical address range being referenced across
632 * a partition boundary for which certain SAL errors should be scanned for,
633 * cleaned up and ignored. This is of value for kernel partitioning code only.
634 * Values for the operation argument:
635 * 1 = register this address range with SAL
636 * 0 = unregister this address range with SAL
637 *
638 * SAL maintains a reference count on an address range in case it is registered
639 * multiple times.
640 *
641 * On success, returns the reference count of the address range after the SAL
642 * call has performed the current registration/unregistration. Returns a
643 * negative value if an error occurred.
644 */
645static inline int
646sn_register_xp_addr_region(u64 paddr, u64 len, int operation)
647{
648 struct ia64_sal_retval ret_stuff;
Dean Nelsonb48fc7b2005-03-23 19:05:00 -0700649 ia64_sal_oemcall(&ret_stuff, SN_SAL_XP_ADDR_REGION, paddr, len,
650 (u64)operation, 0, 0, 0, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700651 return ret_stuff.status;
652}
653
654/*
655 * Register or unregister an instruction range for which SAL errors should
656 * be ignored. If an error occurs while in the registered range, SAL jumps
657 * to return_addr after ignoring the error. Values for the operation argument:
658 * 1 = register this instruction range with SAL
659 * 0 = unregister this instruction range with SAL
660 *
661 * Returns 0 on success, or a negative value if an error occurred.
662 */
663static inline int
664sn_register_nofault_code(u64 start_addr, u64 end_addr, u64 return_addr,
665 int virtual, int operation)
666{
667 struct ia64_sal_retval ret_stuff;
668 u64 call;
669 if (virtual) {
670 call = SN_SAL_NO_FAULT_ZONE_VIRTUAL;
671 } else {
672 call = SN_SAL_NO_FAULT_ZONE_PHYSICAL;
673 }
Dean Nelsonb48fc7b2005-03-23 19:05:00 -0700674 ia64_sal_oemcall(&ret_stuff, call, start_addr, end_addr, return_addr,
675 (u64)1, 0, 0, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700676 return ret_stuff.status;
677}
678
679/*
680 * Change or query the coherence domain for this partition. Each cpu-based
681 * nasid is represented by a bit in an array of 64-bit words:
682 * 0 = not in this partition's coherency domain
683 * 1 = in this partition's coherency domain
684 *
685 * It is not possible for the local system's nasids to be removed from
686 * the coherency domain. Purpose of the domain arguments:
687 * new_domain = set the coherence domain to the given nasids
688 * old_domain = return the current coherence domain
689 *
690 * Returns 0 on success, or a negative value if an error occurred.
691 */
692static inline int
693sn_change_coherence(u64 *new_domain, u64 *old_domain)
694{
695 struct ia64_sal_retval ret_stuff;
Dean Nelsonb48fc7b2005-03-23 19:05:00 -0700696 ia64_sal_oemcall(&ret_stuff, SN_SAL_COHERENCE, (u64)new_domain,
697 (u64)old_domain, 0, 0, 0, 0, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700698 return ret_stuff.status;
699}
700
701/*
702 * Change memory access protections for a physical address range.
703 * nasid_array is not used on Altix, but may be in future architectures.
704 * Available memory protection access classes are defined after the function.
705 */
706static inline int
707sn_change_memprotect(u64 paddr, u64 len, u64 perms, u64 *nasid_array)
708{
709 struct ia64_sal_retval ret_stuff;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700710
Dean Nelsonb48fc7b2005-03-23 19:05:00 -0700711 ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_MEMPROTECT, paddr, len,
712 (u64)nasid_array, perms, 0, 0, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700713 return ret_stuff.status;
714}
715#define SN_MEMPROT_ACCESS_CLASS_0 0x14a080
716#define SN_MEMPROT_ACCESS_CLASS_1 0x2520c2
717#define SN_MEMPROT_ACCESS_CLASS_2 0x14a1ca
718#define SN_MEMPROT_ACCESS_CLASS_3 0x14a290
719#define SN_MEMPROT_ACCESS_CLASS_6 0x084080
720#define SN_MEMPROT_ACCESS_CLASS_7 0x021080
721
722/*
723 * Turns off system power.
724 */
725static inline void
726ia64_sn_power_down(void)
727{
728 struct ia64_sal_retval ret_stuff;
729 SAL_CALL(ret_stuff, SN_SAL_SYSTEM_POWER_DOWN, 0, 0, 0, 0, 0, 0, 0);
Jack Steiner68b97532005-08-11 10:28:00 -0700730 while(1)
731 cpu_relax();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700732 /* never returns */
733}
734
735/**
736 * ia64_sn_fru_capture - tell the system controller to capture hw state
737 *
738 * This routine will call the SAL which will tell the system controller(s)
739 * to capture hw mmr information from each SHub in the system.
740 */
741static inline u64
742ia64_sn_fru_capture(void)
743{
744 struct ia64_sal_retval isrv;
745 SAL_CALL(isrv, SN_SAL_SYSCTL_FRU_CAPTURE, 0, 0, 0, 0, 0, 0, 0);
746 if (isrv.status)
747 return 0;
748 return isrv.v0;
749}
750
751/*
752 * Performs an operation on a PCI bus or slot -- power up, power down
753 * or reset.
754 */
755static inline u64
756ia64_sn_sysctl_iobrick_pci_op(nasid_t n, u64 connection_type,
757 u64 bus, char slot,
758 u64 action)
759{
760 struct ia64_sal_retval rv = {0, 0, 0, 0};
761
762 SAL_CALL_NOLOCK(rv, SN_SAL_SYSCTL_IOBRICK_PCI_OP, connection_type, n, action,
763 bus, (u64) slot, 0, 0);
764 if (rv.status)
765 return rv.v0;
766 return 0;
767}
768
769
770/*
771 * Open a subchannel for sending arbitrary data to the system
772 * controller network via the system controller device associated with
773 * 'nasid'. Return the subchannel number or a negative error code.
774 */
775static inline int
776ia64_sn_irtr_open(nasid_t nasid)
777{
778 struct ia64_sal_retval rv;
779 SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_OPEN, nasid,
780 0, 0, 0, 0, 0);
781 return (int) rv.v0;
782}
783
784/*
785 * Close system controller subchannel 'subch' previously opened on 'nasid'.
786 */
787static inline int
788ia64_sn_irtr_close(nasid_t nasid, int subch)
789{
790 struct ia64_sal_retval rv;
791 SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_CLOSE,
792 (u64) nasid, (u64) subch, 0, 0, 0, 0);
793 return (int) rv.status;
794}
795
796/*
797 * Read data from system controller associated with 'nasid' on
798 * subchannel 'subch'. The buffer to be filled is pointed to by
799 * 'buf', and its capacity is in the integer pointed to by 'len'. The
800 * referent of 'len' is set to the number of bytes read by the SAL
801 * call. The return value is either SALRET_OK (for bytes read) or
802 * SALRET_ERROR (for error or "no data available").
803 */
804static inline int
805ia64_sn_irtr_recv(nasid_t nasid, int subch, char *buf, int *len)
806{
807 struct ia64_sal_retval rv;
808 SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_RECV,
809 (u64) nasid, (u64) subch, (u64) buf, (u64) len,
810 0, 0);
811 return (int) rv.status;
812}
813
814/*
815 * Write data to the system controller network via the system
816 * controller associated with 'nasid' on suchannel 'subch'. The
817 * buffer to be written out is pointed to by 'buf', and 'len' is the
818 * number of bytes to be written. The return value is either the
819 * number of bytes written (which could be zero) or a negative error
820 * code.
821 */
822static inline int
823ia64_sn_irtr_send(nasid_t nasid, int subch, char *buf, int len)
824{
825 struct ia64_sal_retval rv;
826 SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_SEND,
827 (u64) nasid, (u64) subch, (u64) buf, (u64) len,
828 0, 0);
829 return (int) rv.v0;
830}
831
832/*
833 * Check whether any interrupts are pending for the system controller
834 * associated with 'nasid' and its subchannel 'subch'. The return
835 * value is a mask of pending interrupts (SAL_IROUTER_INTR_XMIT and/or
836 * SAL_IROUTER_INTR_RECV).
837 */
838static inline int
839ia64_sn_irtr_intr(nasid_t nasid, int subch)
840{
841 struct ia64_sal_retval rv;
842 SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_INTR_STATUS,
843 (u64) nasid, (u64) subch, 0, 0, 0, 0);
844 return (int) rv.v0;
845}
846
847/*
848 * Enable the interrupt indicated by the intr parameter (either
849 * SAL_IROUTER_INTR_XMIT or SAL_IROUTER_INTR_RECV).
850 */
851static inline int
852ia64_sn_irtr_intr_enable(nasid_t nasid, int subch, u64 intr)
853{
854 struct ia64_sal_retval rv;
855 SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_INTR_ON,
856 (u64) nasid, (u64) subch, intr, 0, 0, 0);
857 return (int) rv.v0;
858}
859
860/*
861 * Disable the interrupt indicated by the intr parameter (either
862 * SAL_IROUTER_INTR_XMIT or SAL_IROUTER_INTR_RECV).
863 */
864static inline int
865ia64_sn_irtr_intr_disable(nasid_t nasid, int subch, u64 intr)
866{
867 struct ia64_sal_retval rv;
868 SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_INTR_OFF,
869 (u64) nasid, (u64) subch, intr, 0, 0, 0);
870 return (int) rv.v0;
871}
872
Greg Howard67639de2005-04-25 13:28:52 -0700873/*
874 * Set up a node as the point of contact for system controller
875 * environmental event delivery.
876 */
877static inline int
878ia64_sn_sysctl_event_init(nasid_t nasid)
879{
880 struct ia64_sal_retval rv;
881 SAL_CALL_REENTRANT(rv, SN_SAL_SYSCTL_EVENT, (u64) nasid,
882 0, 0, 0, 0, 0, 0);
883 return (int) rv.v0;
884}
885
Bruce Losure25732ad2005-09-02 15:16:35 -0500886/*
887 * Ask the system controller on the specified nasid to reset
888 * the CX corelet clock. Only valid on TIO nodes.
889 */
890static inline int
891ia64_sn_sysctl_tio_clock_reset(nasid_t nasid)
892{
893 struct ia64_sal_retval rv;
894 SAL_CALL_REENTRANT(rv, SN_SAL_SYSCTL_OP, SAL_SYSCTL_OP_TIO_JLCK_RST,
895 nasid, 0, 0, 0, 0, 0);
896 if (rv.status != 0)
897 return (int)rv.status;
898 if (rv.v0 != 0)
899 return (int)rv.v0;
900
901 return 0;
902}
903
904/*
905 * Get the associated ioboard type for a given nasid.
906 */
Prarit Bhargavaf90aa8c2006-03-08 13:30:18 -0500907static inline s64
908ia64_sn_sysctl_ioboard_get(nasid_t nasid, u16 *ioboard)
Bruce Losure25732ad2005-09-02 15:16:35 -0500909{
Prarit Bhargavaf90aa8c2006-03-08 13:30:18 -0500910 struct ia64_sal_retval isrv;
911 SAL_CALL_REENTRANT(isrv, SN_SAL_SYSCTL_OP, SAL_SYSCTL_OP_IOBOARD,
912 nasid, 0, 0, 0, 0, 0);
913 if (isrv.v0 != 0) {
914 *ioboard = isrv.v0;
915 return isrv.status;
916 }
917 if (isrv.v1 != 0) {
918 *ioboard = isrv.v1;
919 return isrv.status;
920 }
Bruce Losure25732ad2005-09-02 15:16:35 -0500921
Prarit Bhargavaf90aa8c2006-03-08 13:30:18 -0500922 return isrv.status;
Bruce Losure25732ad2005-09-02 15:16:35 -0500923}
924
Linus Torvalds1da177e2005-04-16 15:20:36 -0700925/**
926 * ia64_sn_get_fit_compt - read a FIT entry from the PROM header
927 * @nasid: NASID of node to read
928 * @index: FIT entry index to be retrieved (0..n)
929 * @fitentry: 16 byte buffer where FIT entry will be stored.
930 * @banbuf: optional buffer for retrieving banner
931 * @banlen: length of banner buffer
932 *
933 * Access to the physical PROM chips needs to be serialized since reads and
934 * writes can't occur at the same time, so we need to call into the SAL when
935 * we want to look at the FIT entries on the chips.
936 *
937 * Returns:
938 * %SALRET_OK if ok
939 * %SALRET_INVALID_ARG if index too big
940 * %SALRET_NOT_IMPLEMENTED if running on older PROM
941 * ??? if nasid invalid OR banner buffer not large enough
942 */
943static inline int
944ia64_sn_get_fit_compt(u64 nasid, u64 index, void *fitentry, void *banbuf,
945 u64 banlen)
946{
947 struct ia64_sal_retval rv;
948 SAL_CALL_NOLOCK(rv, SN_SAL_GET_FIT_COMPT, nasid, index, fitentry,
949 banbuf, banlen, 0, 0);
950 return (int) rv.status;
951}
952
953/*
954 * Initialize the SAL components of the system controller
955 * communication driver; specifically pass in a sizable buffer that
956 * can be used for allocation of subchannel queues as new subchannels
957 * are opened. "buf" points to the buffer, and "len" specifies its
958 * length.
959 */
960static inline int
961ia64_sn_irtr_init(nasid_t nasid, void *buf, int len)
962{
963 struct ia64_sal_retval rv;
964 SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_INIT,
965 (u64) nasid, (u64) buf, (u64) len, 0, 0, 0);
966 return (int) rv.status;
967}
968
969/*
970 * Returns the nasid, subnode & slice corresponding to a SAPIC ID
971 *
972 * In:
973 * arg0 - SN_SAL_GET_SAPIC_INFO
974 * arg1 - sapicid (lid >> 16)
975 * Out:
976 * v0 - nasid
977 * v1 - subnode
978 * v2 - slice
979 */
980static inline u64
981ia64_sn_get_sapic_info(int sapicid, int *nasid, int *subnode, int *slice)
982{
983 struct ia64_sal_retval ret_stuff;
984
985 ret_stuff.status = 0;
986 ret_stuff.v0 = 0;
987 ret_stuff.v1 = 0;
988 ret_stuff.v2 = 0;
989 SAL_CALL_NOLOCK(ret_stuff, SN_SAL_GET_SAPIC_INFO, sapicid, 0, 0, 0, 0, 0, 0);
990
991/***** BEGIN HACK - temp til old proms no longer supported ********/
992 if (ret_stuff.status == SALRET_NOT_IMPLEMENTED) {
993 if (nasid) *nasid = sapicid & 0xfff;
994 if (subnode) *subnode = (sapicid >> 13) & 1;
995 if (slice) *slice = (sapicid >> 12) & 3;
996 return 0;
997 }
998/***** END HACK *******/
999
1000 if (ret_stuff.status < 0)
1001 return ret_stuff.status;
1002
1003 if (nasid) *nasid = (int) ret_stuff.v0;
1004 if (subnode) *subnode = (int) ret_stuff.v1;
1005 if (slice) *slice = (int) ret_stuff.v2;
1006 return 0;
1007}
1008
1009/*
1010 * Returns information about the HUB/SHUB.
1011 * In:
1012 * arg0 - SN_SAL_GET_SN_INFO
1013 * arg1 - 0 (other values reserved for future use)
1014 * Out:
1015 * v0
1016 * [7:0] - shub type (0=shub1, 1=shub2)
1017 * [15:8] - Log2 max number of nodes in entire system (includes
1018 * C-bricks, I-bricks, etc)
1019 * [23:16] - Log2 of nodes per sharing domain
1020 * [31:24] - partition ID
1021 * [39:32] - coherency_id
1022 * [47:40] - regionsize
1023 * v1
1024 * [15:0] - nasid mask (ex., 0x7ff for 11 bit nasid)
1025 * [23:15] - bit position of low nasid bit
1026 */
1027static inline u64
1028ia64_sn_get_sn_info(int fc, u8 *shubtype, u16 *nasid_bitmask, u8 *nasid_shift,
1029 u8 *systemsize, u8 *sharing_domain_size, u8 *partid, u8 *coher, u8 *reg)
1030{
1031 struct ia64_sal_retval ret_stuff;
1032
1033 ret_stuff.status = 0;
1034 ret_stuff.v0 = 0;
1035 ret_stuff.v1 = 0;
1036 ret_stuff.v2 = 0;
1037 SAL_CALL_NOLOCK(ret_stuff, SN_SAL_GET_SN_INFO, fc, 0, 0, 0, 0, 0, 0);
1038
Jack Steiner771388d2005-11-18 16:11:27 -06001039/***** BEGIN HACK - temp til old proms no longer supported ********/
1040 if (ret_stuff.status == SALRET_NOT_IMPLEMENTED) {
Alexey Dobriyan53b35312006-03-24 03:16:13 -08001041 int nasid = get_sapicid() & 0xfff;
Jack Steiner771388d2005-11-18 16:11:27 -06001042#define SH_SHUB_ID_NODES_PER_BIT_MASK 0x001f000000000000UL
1043#define SH_SHUB_ID_NODES_PER_BIT_SHFT 48
1044 if (shubtype) *shubtype = 0;
1045 if (nasid_bitmask) *nasid_bitmask = 0x7ff;
1046 if (nasid_shift) *nasid_shift = 38;
1047 if (systemsize) *systemsize = 10;
1048 if (sharing_domain_size) *sharing_domain_size = 8;
1049 if (partid) *partid = ia64_sn_sysctl_partition_get(nasid);
1050 if (coher) *coher = nasid >> 9;
1051 if (reg) *reg = (HUB_L((u64 *) LOCAL_MMR_ADDR(SH1_SHUB_ID)) & SH_SHUB_ID_NODES_PER_BIT_MASK) >>
1052 SH_SHUB_ID_NODES_PER_BIT_SHFT;
1053 return 0;
1054 }
1055/***** END HACK *******/
1056
Linus Torvalds1da177e2005-04-16 15:20:36 -07001057 if (ret_stuff.status < 0)
1058 return ret_stuff.status;
1059
1060 if (shubtype) *shubtype = ret_stuff.v0 & 0xff;
1061 if (systemsize) *systemsize = (ret_stuff.v0 >> 8) & 0xff;
1062 if (sharing_domain_size) *sharing_domain_size = (ret_stuff.v0 >> 16) & 0xff;
1063 if (partid) *partid = (ret_stuff.v0 >> 24) & 0xff;
1064 if (coher) *coher = (ret_stuff.v0 >> 32) & 0xff;
1065 if (reg) *reg = (ret_stuff.v0 >> 40) & 0xff;
1066 if (nasid_bitmask) *nasid_bitmask = (ret_stuff.v1 & 0xffff);
1067 if (nasid_shift) *nasid_shift = (ret_stuff.v1 >> 16) & 0xff;
1068 return 0;
1069}
1070
1071/*
1072 * This is the access point to the Altix PROM hardware performance
1073 * and status monitoring interface. For info on using this, see
1074 * include/asm-ia64/sn/sn2/sn_hwperf.h
1075 */
1076static inline int
1077ia64_sn_hwperf_op(nasid_t nasid, u64 opcode, u64 a0, u64 a1, u64 a2,
1078 u64 a3, u64 a4, int *v0)
1079{
1080 struct ia64_sal_retval rv;
1081 SAL_CALL_NOLOCK(rv, SN_SAL_HWPERF_OP, (u64)nasid,
1082 opcode, a0, a1, a2, a3, a4);
1083 if (v0)
1084 *v0 = (int) rv.v0;
1085 return (int) rv.status;
1086}
1087
Mark Goodwin4a5c13c2005-04-25 13:04:22 -07001088static inline int
Mark Goodwinecc3c302005-08-16 00:50:00 -07001089ia64_sn_ioif_get_pci_topology(u64 buf, u64 len)
Mark Goodwin4a5c13c2005-04-25 13:04:22 -07001090{
1091 struct ia64_sal_retval rv;
Mark Goodwinecc3c302005-08-16 00:50:00 -07001092 SAL_CALL_NOLOCK(rv, SN_SAL_IOIF_GET_PCI_TOPOLOGY, buf, len, 0, 0, 0, 0, 0);
Mark Goodwin4a5c13c2005-04-25 13:04:22 -07001093 return (int) rv.status;
1094}
1095
Russ Anderson93a07d02005-04-25 13:19:52 -07001096/*
1097 * BTE error recovery is implemented in SAL
1098 */
1099static inline int
1100ia64_sn_bte_recovery(nasid_t nasid)
1101{
1102 struct ia64_sal_retval rv;
1103
1104 rv.status = 0;
Russ Anderson17e8ce02005-12-16 17:19:01 -06001105 SAL_CALL_NOLOCK(rv, SN_SAL_BTE_RECOVER, (u64)nasid, 0, 0, 0, 0, 0, 0);
Russ Anderson93a07d02005-04-25 13:19:52 -07001106 if (rv.status == SALRET_NOT_IMPLEMENTED)
1107 return 0;
1108 return (int) rv.status;
1109}
1110
Jack Steiner71a5d022005-05-10 08:01:00 -07001111static inline int
1112ia64_sn_is_fake_prom(void)
1113{
1114 struct ia64_sal_retval rv;
1115 SAL_CALL_NOLOCK(rv, SN_SAL_FAKE_PROM, 0, 0, 0, 0, 0, 0, 0);
1116 return (rv.status == 0);
1117}
1118
Jack Steinera1cddb82005-08-31 08:05:00 -07001119static inline int
1120ia64_sn_get_prom_feature_set(int set, unsigned long *feature_set)
1121{
1122 struct ia64_sal_retval rv;
1123
1124 SAL_CALL_NOLOCK(rv, SN_SAL_GET_PROM_FEATURE_SET, set, 0, 0, 0, 0, 0, 0);
1125 if (rv.status != 0)
1126 return rv.status;
1127 *feature_set = rv.v0;
1128 return 0;
1129}
1130
1131static inline int
1132ia64_sn_set_os_feature(int feature)
1133{
1134 struct ia64_sal_retval rv;
1135
1136 SAL_CALL_NOLOCK(rv, SN_SAL_SET_OS_FEATURE_SET, feature, 0, 0, 0, 0, 0, 0);
1137 return rv.status;
1138}
1139
Russ Anderson86db2f42006-04-20 17:05:43 -07001140static inline int
1141sn_inject_error(u64 paddr, u64 *data, u64 *ecc)
1142{
1143 struct ia64_sal_retval ret_stuff;
Russ Anderson86db2f42006-04-20 17:05:43 -07001144
Russ Anderson86db2f42006-04-20 17:05:43 -07001145 ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_INJECT_ERROR, paddr, (u64)data,
1146 (u64)ecc, 0, 0, 0, 0);
Russ Anderson86db2f42006-04-20 17:05:43 -07001147 return ret_stuff.status;
1148}
Jack Steiner9d56d872006-04-27 20:01:05 -05001149
1150static inline int
1151ia64_sn_set_cpu_number(int cpu)
1152{
1153 struct ia64_sal_retval rv;
1154
1155 SAL_CALL_NOLOCK(rv, SN_SAL_SET_CPU_NUMBER, cpu, 0, 0, 0, 0, 0, 0);
1156 return rv.status;
1157}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001158#endif /* _ASM_IA64_SN_SN_SAL_H */