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1da177e4 LT |
1 | #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 | * | |
93a07d0a | 11 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. All rights reserved. |
1da177e4 LT |
12 | */ |
13 | ||
14 | ||
15 | #include <linux/config.h> | |
16 | #include <asm/sal.h> | |
17 | #include <asm/sn/sn_cpuid.h> | |
18 | #include <asm/sn/arch.h> | |
19 | #include <asm/sn/geo.h> | |
20 | #include <asm/sn/nodepda.h> | |
21 | #include <asm/sn/shub_mmr.h> | |
22 | ||
23 | // SGI Specific Calls | |
24 | #define SN_SAL_POD_MODE 0x02000001 | |
25 | #define SN_SAL_SYSTEM_RESET 0x02000002 | |
26 | #define SN_SAL_PROBE 0x02000003 | |
27 | #define SN_SAL_GET_MASTER_NASID 0x02000004 | |
28 | #define SN_SAL_GET_KLCONFIG_ADDR 0x02000005 | |
29 | #define SN_SAL_LOG_CE 0x02000006 | |
30 | #define SN_SAL_REGISTER_CE 0x02000007 | |
31 | #define SN_SAL_GET_PARTITION_ADDR 0x02000009 | |
32 | #define SN_SAL_XP_ADDR_REGION 0x0200000f | |
33 | #define SN_SAL_NO_FAULT_ZONE_VIRTUAL 0x02000010 | |
34 | #define SN_SAL_NO_FAULT_ZONE_PHYSICAL 0x02000011 | |
35 | #define SN_SAL_PRINT_ERROR 0x02000012 | |
36 | #define SN_SAL_SET_ERROR_HANDLING_FEATURES 0x0200001a // reentrant | |
37 | #define SN_SAL_GET_FIT_COMPT 0x0200001b // reentrant | |
1da177e4 | 38 | #define SN_SAL_GET_SAPIC_INFO 0x0200001d |
bf1cf98f | 39 | #define SN_SAL_GET_SN_INFO 0x0200001e |
1da177e4 LT |
40 | #define SN_SAL_CONSOLE_PUTC 0x02000021 |
41 | #define SN_SAL_CONSOLE_GETC 0x02000022 | |
42 | #define SN_SAL_CONSOLE_PUTS 0x02000023 | |
43 | #define SN_SAL_CONSOLE_GETS 0x02000024 | |
44 | #define SN_SAL_CONSOLE_GETS_TIMEOUT 0x02000025 | |
45 | #define SN_SAL_CONSOLE_POLL 0x02000026 | |
46 | #define SN_SAL_CONSOLE_INTR 0x02000027 | |
47 | #define SN_SAL_CONSOLE_PUTB 0x02000028 | |
48 | #define SN_SAL_CONSOLE_XMIT_CHARS 0x0200002a | |
49 | #define SN_SAL_CONSOLE_READC 0x0200002b | |
25732ad4 | 50 | #define SN_SAL_SYSCTL_OP 0x02000030 |
1da177e4 LT |
51 | #define SN_SAL_SYSCTL_MODID_GET 0x02000031 |
52 | #define SN_SAL_SYSCTL_GET 0x02000032 | |
53 | #define SN_SAL_SYSCTL_IOBRICK_MODULE_GET 0x02000033 | |
54 | #define SN_SAL_SYSCTL_IO_PORTSPEED_GET 0x02000035 | |
55 | #define SN_SAL_SYSCTL_SLAB_GET 0x02000036 | |
56 | #define SN_SAL_BUS_CONFIG 0x02000037 | |
57 | #define SN_SAL_SYS_SERIAL_GET 0x02000038 | |
58 | #define SN_SAL_PARTITION_SERIAL_GET 0x02000039 | |
771388dc | 59 | #define SN_SAL_SYSCTL_PARTITION_GET 0x0200003a |
1da177e4 LT |
60 | #define SN_SAL_SYSTEM_POWER_DOWN 0x0200003b |
61 | #define SN_SAL_GET_MASTER_BASEIO_NASID 0x0200003c | |
62 | #define SN_SAL_COHERENCE 0x0200003d | |
63 | #define SN_SAL_MEMPROTECT 0x0200003e | |
64 | #define SN_SAL_SYSCTL_FRU_CAPTURE 0x0200003f | |
65 | ||
66 | #define SN_SAL_SYSCTL_IOBRICK_PCI_OP 0x02000042 // reentrant | |
67 | #define SN_SAL_IROUTER_OP 0x02000043 | |
67639deb | 68 | #define SN_SAL_SYSCTL_EVENT 0x02000044 |
1da177e4 LT |
69 | #define SN_SAL_IOIF_INTERRUPT 0x0200004a |
70 | #define SN_SAL_HWPERF_OP 0x02000050 // lock | |
71 | #define SN_SAL_IOIF_ERROR_INTERRUPT 0x02000051 | |
61b9cf7c | 72 | #define SN_SAL_IOIF_PCI_SAFE 0x02000052 |
1da177e4 LT |
73 | #define SN_SAL_IOIF_SLOT_ENABLE 0x02000053 |
74 | #define SN_SAL_IOIF_SLOT_DISABLE 0x02000054 | |
75 | #define SN_SAL_IOIF_GET_HUBDEV_INFO 0x02000055 | |
76 | #define SN_SAL_IOIF_GET_PCIBUS_INFO 0x02000056 | |
77 | #define SN_SAL_IOIF_GET_PCIDEV_INFO 0x02000057 | |
6d6e4200 PB |
78 | #define SN_SAL_IOIF_GET_WIDGET_DMAFLUSH_LIST 0x02000058 // deprecated |
79 | #define SN_SAL_IOIF_GET_DEVICE_DMAFLUSH_LIST 0x0200005a | |
1da177e4 LT |
80 | |
81 | #define SN_SAL_HUB_ERROR_INTERRUPT 0x02000060 | |
93a07d0a | 82 | #define SN_SAL_BTE_RECOVER 0x02000061 |
ecc3c30a MG |
83 | #define SN_SAL_RESERVED_DO_NOT_USE 0x02000062 |
84 | #define SN_SAL_IOIF_GET_PCI_TOPOLOGY 0x02000064 | |
1da177e4 | 85 | |
a1cddb88 JS |
86 | #define SN_SAL_GET_PROM_FEATURE_SET 0x02000065 |
87 | #define SN_SAL_SET_OS_FEATURE_SET 0x02000066 | |
88 | ||
1da177e4 LT |
89 | /* |
90 | * Service-specific constants | |
91 | */ | |
92 | ||
93 | /* Console interrupt manipulation */ | |
94 | /* action codes */ | |
95 | #define SAL_CONSOLE_INTR_OFF 0 /* turn the interrupt off */ | |
96 | #define SAL_CONSOLE_INTR_ON 1 /* turn the interrupt on */ | |
97 | #define SAL_CONSOLE_INTR_STATUS 2 /* retrieve the interrupt status */ | |
98 | /* interrupt specification & status return codes */ | |
99 | #define SAL_CONSOLE_INTR_XMIT 1 /* output interrupt */ | |
100 | #define SAL_CONSOLE_INTR_RECV 2 /* input interrupt */ | |
101 | ||
102 | /* interrupt handling */ | |
103 | #define SAL_INTR_ALLOC 1 | |
104 | #define SAL_INTR_FREE 2 | |
105 | ||
25732ad4 BL |
106 | /* |
107 | * operations available on the generic SN_SAL_SYSCTL_OP | |
108 | * runtime service | |
109 | */ | |
110 | #define SAL_SYSCTL_OP_IOBOARD 0x0001 /* retrieve board type */ | |
111 | #define SAL_SYSCTL_OP_TIO_JLCK_RST 0x0002 /* issue TIO clock reset */ | |
112 | ||
1da177e4 LT |
113 | /* |
114 | * IRouter (i.e. generalized system controller) operations | |
115 | */ | |
116 | #define SAL_IROUTER_OPEN 0 /* open a subchannel */ | |
117 | #define SAL_IROUTER_CLOSE 1 /* close a subchannel */ | |
118 | #define SAL_IROUTER_SEND 2 /* send part of an IRouter packet */ | |
119 | #define SAL_IROUTER_RECV 3 /* receive part of an IRouter packet */ | |
120 | #define SAL_IROUTER_INTR_STATUS 4 /* check the interrupt status for | |
121 | * an open subchannel | |
122 | */ | |
123 | #define SAL_IROUTER_INTR_ON 5 /* enable an interrupt */ | |
124 | #define SAL_IROUTER_INTR_OFF 6 /* disable an interrupt */ | |
125 | #define SAL_IROUTER_INIT 7 /* initialize IRouter driver */ | |
126 | ||
127 | /* IRouter interrupt mask bits */ | |
128 | #define SAL_IROUTER_INTR_XMIT SAL_CONSOLE_INTR_XMIT | |
129 | #define SAL_IROUTER_INTR_RECV SAL_CONSOLE_INTR_RECV | |
130 | ||
6872ec54 RA |
131 | /* |
132 | * Error Handling Features | |
133 | */ | |
a1cddb88 JS |
134 | #define SAL_ERR_FEAT_MCA_SLV_TO_OS_INIT_SLV 0x1 // obsolete |
135 | #define SAL_ERR_FEAT_LOG_SBES 0x2 // obsolete | |
6872ec54 RA |
136 | #define SAL_ERR_FEAT_MFR_OVERRIDE 0x4 |
137 | #define SAL_ERR_FEAT_SBE_THRESHOLD 0xffff0000 | |
1da177e4 LT |
138 | |
139 | /* | |
140 | * SAL Error Codes | |
141 | */ | |
142 | #define SALRET_MORE_PASSES 1 | |
143 | #define SALRET_OK 0 | |
144 | #define SALRET_NOT_IMPLEMENTED (-1) | |
145 | #define SALRET_INVALID_ARG (-2) | |
146 | #define SALRET_ERROR (-3) | |
147 | ||
71a5d027 JS |
148 | #define SN_SAL_FAKE_PROM 0x02009999 |
149 | ||
1da177e4 | 150 | /** |
283c7f6a PB |
151 | * sn_sal_revision - get the SGI SAL revision number |
152 | * | |
153 | * The SGI PROM stores its version in the sal_[ab]_rev_(major|minor). | |
154 | * This routine simply extracts the major and minor values and | |
155 | * presents them in a u32 format. | |
156 | * | |
157 | * For example, version 4.05 would be represented at 0x0405. | |
158 | */ | |
159 | static inline u32 | |
160 | sn_sal_rev(void) | |
1da177e4 LT |
161 | { |
162 | struct ia64_sal_systab *systab = efi.sal_systab; | |
163 | ||
283c7f6a | 164 | return (u32)(systab->sal_b_rev_major << 8 | systab->sal_b_rev_minor); |
1da177e4 LT |
165 | } |
166 | ||
1da177e4 LT |
167 | /* |
168 | * Returns the master console nasid, if the call fails, return an illegal | |
169 | * value. | |
170 | */ | |
171 | static inline u64 | |
172 | ia64_sn_get_console_nasid(void) | |
173 | { | |
174 | struct ia64_sal_retval ret_stuff; | |
175 | ||
176 | ret_stuff.status = 0; | |
177 | ret_stuff.v0 = 0; | |
178 | ret_stuff.v1 = 0; | |
179 | ret_stuff.v2 = 0; | |
180 | SAL_CALL(ret_stuff, SN_SAL_GET_MASTER_NASID, 0, 0, 0, 0, 0, 0, 0); | |
181 | ||
182 | if (ret_stuff.status < 0) | |
183 | return ret_stuff.status; | |
184 | ||
185 | /* Master console nasid is in 'v0' */ | |
186 | return ret_stuff.v0; | |
187 | } | |
188 | ||
189 | /* | |
190 | * Returns the master baseio nasid, if the call fails, return an illegal | |
191 | * value. | |
192 | */ | |
193 | static inline u64 | |
194 | ia64_sn_get_master_baseio_nasid(void) | |
195 | { | |
196 | struct ia64_sal_retval ret_stuff; | |
197 | ||
198 | ret_stuff.status = 0; | |
199 | ret_stuff.v0 = 0; | |
200 | ret_stuff.v1 = 0; | |
201 | ret_stuff.v2 = 0; | |
202 | SAL_CALL(ret_stuff, SN_SAL_GET_MASTER_BASEIO_NASID, 0, 0, 0, 0, 0, 0, 0); | |
203 | ||
204 | if (ret_stuff.status < 0) | |
205 | return ret_stuff.status; | |
206 | ||
207 | /* Master baseio nasid is in 'v0' */ | |
208 | return ret_stuff.v0; | |
209 | } | |
210 | ||
24ee0a6d | 211 | static inline void * |
1da177e4 LT |
212 | ia64_sn_get_klconfig_addr(nasid_t nasid) |
213 | { | |
214 | struct ia64_sal_retval ret_stuff; | |
1da177e4 | 215 | |
1da177e4 LT |
216 | ret_stuff.status = 0; |
217 | ret_stuff.v0 = 0; | |
218 | ret_stuff.v1 = 0; | |
219 | ret_stuff.v2 = 0; | |
220 | SAL_CALL(ret_stuff, SN_SAL_GET_KLCONFIG_ADDR, (u64)nasid, 0, 0, 0, 0, 0, 0); | |
1da177e4 LT |
221 | return ret_stuff.v0 ? __va(ret_stuff.v0) : NULL; |
222 | } | |
223 | ||
224 | /* | |
225 | * Returns the next console character. | |
226 | */ | |
227 | static inline u64 | |
228 | ia64_sn_console_getc(int *ch) | |
229 | { | |
230 | struct ia64_sal_retval ret_stuff; | |
231 | ||
232 | ret_stuff.status = 0; | |
233 | ret_stuff.v0 = 0; | |
234 | ret_stuff.v1 = 0; | |
235 | ret_stuff.v2 = 0; | |
236 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_GETC, 0, 0, 0, 0, 0, 0, 0); | |
237 | ||
238 | /* character is in 'v0' */ | |
239 | *ch = (int)ret_stuff.v0; | |
240 | ||
241 | return ret_stuff.status; | |
242 | } | |
243 | ||
244 | /* | |
245 | * Read a character from the SAL console device, after a previous interrupt | |
246 | * or poll operation has given us to know that a character is available | |
247 | * to be read. | |
248 | */ | |
249 | static inline u64 | |
250 | ia64_sn_console_readc(void) | |
251 | { | |
252 | struct ia64_sal_retval ret_stuff; | |
253 | ||
254 | ret_stuff.status = 0; | |
255 | ret_stuff.v0 = 0; | |
256 | ret_stuff.v1 = 0; | |
257 | ret_stuff.v2 = 0; | |
258 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_READC, 0, 0, 0, 0, 0, 0, 0); | |
259 | ||
260 | /* character is in 'v0' */ | |
261 | return ret_stuff.v0; | |
262 | } | |
263 | ||
264 | /* | |
265 | * Sends the given character to the console. | |
266 | */ | |
267 | static inline u64 | |
268 | ia64_sn_console_putc(char ch) | |
269 | { | |
270 | struct ia64_sal_retval ret_stuff; | |
271 | ||
272 | ret_stuff.status = 0; | |
273 | ret_stuff.v0 = 0; | |
274 | ret_stuff.v1 = 0; | |
275 | ret_stuff.v2 = 0; | |
53493dcf | 276 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_PUTC, (u64)ch, 0, 0, 0, 0, 0, 0); |
1da177e4 LT |
277 | |
278 | return ret_stuff.status; | |
279 | } | |
280 | ||
281 | /* | |
282 | * Sends the given buffer to the console. | |
283 | */ | |
284 | static inline u64 | |
285 | ia64_sn_console_putb(const char *buf, int len) | |
286 | { | |
287 | struct ia64_sal_retval ret_stuff; | |
288 | ||
289 | ret_stuff.status = 0; | |
290 | ret_stuff.v0 = 0; | |
291 | ret_stuff.v1 = 0; | |
292 | ret_stuff.v2 = 0; | |
53493dcf | 293 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_PUTB, (u64)buf, (u64)len, 0, 0, 0, 0, 0); |
1da177e4 LT |
294 | |
295 | if ( ret_stuff.status == 0 ) { | |
296 | return ret_stuff.v0; | |
297 | } | |
298 | return (u64)0; | |
299 | } | |
300 | ||
301 | /* | |
302 | * Print a platform error record | |
303 | */ | |
304 | static inline u64 | |
305 | ia64_sn_plat_specific_err_print(int (*hook)(const char*, ...), char *rec) | |
306 | { | |
307 | struct ia64_sal_retval ret_stuff; | |
308 | ||
309 | ret_stuff.status = 0; | |
310 | ret_stuff.v0 = 0; | |
311 | ret_stuff.v1 = 0; | |
312 | ret_stuff.v2 = 0; | |
53493dcf | 313 | SAL_CALL_REENTRANT(ret_stuff, SN_SAL_PRINT_ERROR, (u64)hook, (u64)rec, 0, 0, 0, 0, 0); |
1da177e4 LT |
314 | |
315 | return ret_stuff.status; | |
316 | } | |
317 | ||
318 | /* | |
319 | * Check for Platform errors | |
320 | */ | |
321 | static inline u64 | |
322 | ia64_sn_plat_cpei_handler(void) | |
323 | { | |
324 | struct ia64_sal_retval ret_stuff; | |
325 | ||
326 | ret_stuff.status = 0; | |
327 | ret_stuff.v0 = 0; | |
328 | ret_stuff.v1 = 0; | |
329 | ret_stuff.v2 = 0; | |
330 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_LOG_CE, 0, 0, 0, 0, 0, 0, 0); | |
331 | ||
332 | return ret_stuff.status; | |
333 | } | |
334 | ||
6872ec54 | 335 | /* |
a1cddb88 | 336 | * Set Error Handling Features (Obsolete) |
6872ec54 RA |
337 | */ |
338 | static inline u64 | |
339 | ia64_sn_plat_set_error_handling_features(void) | |
340 | { | |
341 | struct ia64_sal_retval ret_stuff; | |
342 | ||
343 | ret_stuff.status = 0; | |
344 | ret_stuff.v0 = 0; | |
345 | ret_stuff.v1 = 0; | |
346 | ret_stuff.v2 = 0; | |
347 | SAL_CALL_REENTRANT(ret_stuff, SN_SAL_SET_ERROR_HANDLING_FEATURES, | |
348 | (SAL_ERR_FEAT_MCA_SLV_TO_OS_INIT_SLV | SAL_ERR_FEAT_LOG_SBES), | |
349 | 0, 0, 0, 0, 0, 0); | |
350 | ||
351 | return ret_stuff.status; | |
352 | } | |
353 | ||
1da177e4 LT |
354 | /* |
355 | * Checks for console input. | |
356 | */ | |
357 | static inline u64 | |
358 | ia64_sn_console_check(int *result) | |
359 | { | |
360 | struct ia64_sal_retval ret_stuff; | |
361 | ||
362 | ret_stuff.status = 0; | |
363 | ret_stuff.v0 = 0; | |
364 | ret_stuff.v1 = 0; | |
365 | ret_stuff.v2 = 0; | |
366 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_POLL, 0, 0, 0, 0, 0, 0, 0); | |
367 | ||
368 | /* result is in 'v0' */ | |
369 | *result = (int)ret_stuff.v0; | |
370 | ||
371 | return ret_stuff.status; | |
372 | } | |
373 | ||
374 | /* | |
375 | * Checks console interrupt status | |
376 | */ | |
377 | static inline u64 | |
378 | ia64_sn_console_intr_status(void) | |
379 | { | |
380 | struct ia64_sal_retval ret_stuff; | |
381 | ||
382 | ret_stuff.status = 0; | |
383 | ret_stuff.v0 = 0; | |
384 | ret_stuff.v1 = 0; | |
385 | ret_stuff.v2 = 0; | |
386 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_INTR, | |
387 | 0, SAL_CONSOLE_INTR_STATUS, | |
388 | 0, 0, 0, 0, 0); | |
389 | ||
390 | if (ret_stuff.status == 0) { | |
391 | return ret_stuff.v0; | |
392 | } | |
393 | ||
394 | return 0; | |
395 | } | |
396 | ||
397 | /* | |
398 | * Enable an interrupt on the SAL console device. | |
399 | */ | |
400 | static inline void | |
53493dcf | 401 | ia64_sn_console_intr_enable(u64 intr) |
1da177e4 LT |
402 | { |
403 | struct ia64_sal_retval ret_stuff; | |
404 | ||
405 | ret_stuff.status = 0; | |
406 | ret_stuff.v0 = 0; | |
407 | ret_stuff.v1 = 0; | |
408 | ret_stuff.v2 = 0; | |
409 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_INTR, | |
410 | intr, SAL_CONSOLE_INTR_ON, | |
411 | 0, 0, 0, 0, 0); | |
412 | } | |
413 | ||
414 | /* | |
415 | * Disable an interrupt on the SAL console device. | |
416 | */ | |
417 | static inline void | |
53493dcf | 418 | ia64_sn_console_intr_disable(u64 intr) |
1da177e4 LT |
419 | { |
420 | struct ia64_sal_retval ret_stuff; | |
421 | ||
422 | ret_stuff.status = 0; | |
423 | ret_stuff.v0 = 0; | |
424 | ret_stuff.v1 = 0; | |
425 | ret_stuff.v2 = 0; | |
426 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_INTR, | |
427 | intr, SAL_CONSOLE_INTR_OFF, | |
428 | 0, 0, 0, 0, 0); | |
429 | } | |
430 | ||
431 | /* | |
432 | * Sends a character buffer to the console asynchronously. | |
433 | */ | |
434 | static inline u64 | |
435 | ia64_sn_console_xmit_chars(char *buf, int len) | |
436 | { | |
437 | struct ia64_sal_retval ret_stuff; | |
438 | ||
439 | ret_stuff.status = 0; | |
440 | ret_stuff.v0 = 0; | |
441 | ret_stuff.v1 = 0; | |
442 | ret_stuff.v2 = 0; | |
443 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_XMIT_CHARS, | |
53493dcf | 444 | (u64)buf, (u64)len, |
1da177e4 LT |
445 | 0, 0, 0, 0, 0); |
446 | ||
447 | if (ret_stuff.status == 0) { | |
448 | return ret_stuff.v0; | |
449 | } | |
450 | ||
451 | return 0; | |
452 | } | |
453 | ||
454 | /* | |
455 | * Returns the iobrick module Id | |
456 | */ | |
457 | static inline u64 | |
458 | ia64_sn_sysctl_iobrick_module_get(nasid_t nasid, int *result) | |
459 | { | |
460 | struct ia64_sal_retval ret_stuff; | |
461 | ||
462 | ret_stuff.status = 0; | |
463 | ret_stuff.v0 = 0; | |
464 | ret_stuff.v1 = 0; | |
465 | ret_stuff.v2 = 0; | |
466 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_SYSCTL_IOBRICK_MODULE_GET, nasid, 0, 0, 0, 0, 0, 0); | |
467 | ||
468 | /* result is in 'v0' */ | |
469 | *result = (int)ret_stuff.v0; | |
470 | ||
471 | return ret_stuff.status; | |
472 | } | |
473 | ||
474 | /** | |
475 | * ia64_sn_pod_mode - call the SN_SAL_POD_MODE function | |
476 | * | |
477 | * SN_SAL_POD_MODE actually takes an argument, but it's always | |
478 | * 0 when we call it from the kernel, so we don't have to expose | |
479 | * it to the caller. | |
480 | */ | |
481 | static inline u64 | |
482 | ia64_sn_pod_mode(void) | |
483 | { | |
484 | struct ia64_sal_retval isrv; | |
8eac3757 | 485 | SAL_CALL_REENTRANT(isrv, SN_SAL_POD_MODE, 0, 0, 0, 0, 0, 0, 0); |
1da177e4 LT |
486 | if (isrv.status) |
487 | return 0; | |
488 | return isrv.v0; | |
489 | } | |
490 | ||
491 | /** | |
492 | * ia64_sn_probe_mem - read from memory safely | |
493 | * @addr: address to probe | |
494 | * @size: number bytes to read (1,2,4,8) | |
495 | * @data_ptr: address to store value read by probe (-1 returned if probe fails) | |
496 | * | |
497 | * Call into the SAL to do a memory read. If the read generates a machine | |
498 | * check, this routine will recover gracefully and return -1 to the caller. | |
499 | * @addr is usually a kernel virtual address in uncached space (i.e. the | |
500 | * address starts with 0xc), but if called in physical mode, @addr should | |
501 | * be a physical address. | |
502 | * | |
503 | * Return values: | |
504 | * 0 - probe successful | |
505 | * 1 - probe failed (generated MCA) | |
506 | * 2 - Bad arg | |
507 | * <0 - PAL error | |
508 | */ | |
509 | static inline u64 | |
510 | ia64_sn_probe_mem(long addr, long size, void *data_ptr) | |
511 | { | |
512 | struct ia64_sal_retval isrv; | |
513 | ||
514 | SAL_CALL(isrv, SN_SAL_PROBE, addr, size, 0, 0, 0, 0, 0); | |
515 | ||
516 | if (data_ptr) { | |
517 | switch (size) { | |
518 | case 1: | |
519 | *((u8*)data_ptr) = (u8)isrv.v0; | |
520 | break; | |
521 | case 2: | |
522 | *((u16*)data_ptr) = (u16)isrv.v0; | |
523 | break; | |
524 | case 4: | |
525 | *((u32*)data_ptr) = (u32)isrv.v0; | |
526 | break; | |
527 | case 8: | |
528 | *((u64*)data_ptr) = (u64)isrv.v0; | |
529 | break; | |
530 | default: | |
531 | isrv.status = 2; | |
532 | } | |
533 | } | |
534 | return isrv.status; | |
535 | } | |
536 | ||
537 | /* | |
538 | * Retrieve the system serial number as an ASCII string. | |
539 | */ | |
540 | static inline u64 | |
541 | ia64_sn_sys_serial_get(char *buf) | |
542 | { | |
543 | struct ia64_sal_retval ret_stuff; | |
544 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_SYS_SERIAL_GET, buf, 0, 0, 0, 0, 0, 0); | |
545 | return ret_stuff.status; | |
546 | } | |
547 | ||
548 | extern char sn_system_serial_number_string[]; | |
549 | extern u64 sn_partition_serial_number; | |
550 | ||
551 | static inline char * | |
552 | sn_system_serial_number(void) { | |
553 | if (sn_system_serial_number_string[0]) { | |
554 | return(sn_system_serial_number_string); | |
555 | } else { | |
556 | ia64_sn_sys_serial_get(sn_system_serial_number_string); | |
557 | return(sn_system_serial_number_string); | |
558 | } | |
559 | } | |
560 | ||
561 | ||
562 | /* | |
563 | * Returns a unique id number for this system and partition (suitable for | |
564 | * use with license managers), based in part on the system serial number. | |
565 | */ | |
566 | static inline u64 | |
567 | ia64_sn_partition_serial_get(void) | |
568 | { | |
569 | struct ia64_sal_retval ret_stuff; | |
b48fc7bb DN |
570 | ia64_sal_oemcall_reentrant(&ret_stuff, SN_SAL_PARTITION_SERIAL_GET, 0, |
571 | 0, 0, 0, 0, 0, 0); | |
1da177e4 LT |
572 | if (ret_stuff.status != 0) |
573 | return 0; | |
574 | return ret_stuff.v0; | |
575 | } | |
576 | ||
577 | static inline u64 | |
578 | sn_partition_serial_number_val(void) { | |
b48fc7bb DN |
579 | if (unlikely(sn_partition_serial_number == 0)) { |
580 | sn_partition_serial_number = ia64_sn_partition_serial_get(); | |
1da177e4 | 581 | } |
b48fc7bb | 582 | return sn_partition_serial_number; |
1da177e4 LT |
583 | } |
584 | ||
771388dc JS |
585 | /* |
586 | * Returns the partition id of the nasid passed in as an argument, | |
587 | * or INVALID_PARTID if the partition id cannot be retrieved. | |
588 | */ | |
589 | static inline partid_t | |
590 | ia64_sn_sysctl_partition_get(nasid_t nasid) | |
591 | { | |
592 | struct ia64_sal_retval ret_stuff; | |
593 | SAL_CALL(ret_stuff, SN_SAL_SYSCTL_PARTITION_GET, nasid, | |
594 | 0, 0, 0, 0, 0, 0); | |
595 | if (ret_stuff.status != 0) | |
596 | return -1; | |
597 | return ((partid_t)ret_stuff.v0); | |
598 | } | |
599 | ||
b48fc7bb DN |
600 | /* |
601 | * Returns the physical address of the partition's reserved page through | |
602 | * an iterative number of calls. | |
603 | * | |
604 | * On first call, 'cookie' and 'len' should be set to 0, and 'addr' | |
605 | * set to the nasid of the partition whose reserved page's address is | |
606 | * being sought. | |
607 | * On subsequent calls, pass the values, that were passed back on the | |
608 | * previous call. | |
609 | * | |
610 | * While the return status equals SALRET_MORE_PASSES, keep calling | |
611 | * this function after first copying 'len' bytes starting at 'addr' | |
612 | * into 'buf'. Once the return status equals SALRET_OK, 'addr' will | |
613 | * be the physical address of the partition's reserved page. If the | |
614 | * return status equals neither of these, an error as occurred. | |
615 | */ | |
616 | static inline s64 | |
617 | sn_partition_reserved_page_pa(u64 buf, u64 *cookie, u64 *addr, u64 *len) | |
618 | { | |
619 | struct ia64_sal_retval rv; | |
620 | ia64_sal_oemcall_reentrant(&rv, SN_SAL_GET_PARTITION_ADDR, *cookie, | |
621 | *addr, buf, *len, 0, 0, 0); | |
622 | *cookie = rv.v0; | |
623 | *addr = rv.v1; | |
624 | *len = rv.v2; | |
625 | return rv.status; | |
1da177e4 LT |
626 | } |
627 | ||
628 | /* | |
629 | * Register or unregister a physical address range being referenced across | |
630 | * a partition boundary for which certain SAL errors should be scanned for, | |
631 | * cleaned up and ignored. This is of value for kernel partitioning code only. | |
632 | * Values for the operation argument: | |
633 | * 1 = register this address range with SAL | |
634 | * 0 = unregister this address range with SAL | |
635 | * | |
636 | * SAL maintains a reference count on an address range in case it is registered | |
637 | * multiple times. | |
638 | * | |
639 | * On success, returns the reference count of the address range after the SAL | |
640 | * call has performed the current registration/unregistration. Returns a | |
641 | * negative value if an error occurred. | |
642 | */ | |
643 | static inline int | |
644 | sn_register_xp_addr_region(u64 paddr, u64 len, int operation) | |
645 | { | |
646 | struct ia64_sal_retval ret_stuff; | |
b48fc7bb DN |
647 | ia64_sal_oemcall(&ret_stuff, SN_SAL_XP_ADDR_REGION, paddr, len, |
648 | (u64)operation, 0, 0, 0, 0); | |
1da177e4 LT |
649 | return ret_stuff.status; |
650 | } | |
651 | ||
652 | /* | |
653 | * Register or unregister an instruction range for which SAL errors should | |
654 | * be ignored. If an error occurs while in the registered range, SAL jumps | |
655 | * to return_addr after ignoring the error. Values for the operation argument: | |
656 | * 1 = register this instruction range with SAL | |
657 | * 0 = unregister this instruction range with SAL | |
658 | * | |
659 | * Returns 0 on success, or a negative value if an error occurred. | |
660 | */ | |
661 | static inline int | |
662 | sn_register_nofault_code(u64 start_addr, u64 end_addr, u64 return_addr, | |
663 | int virtual, int operation) | |
664 | { | |
665 | struct ia64_sal_retval ret_stuff; | |
666 | u64 call; | |
667 | if (virtual) { | |
668 | call = SN_SAL_NO_FAULT_ZONE_VIRTUAL; | |
669 | } else { | |
670 | call = SN_SAL_NO_FAULT_ZONE_PHYSICAL; | |
671 | } | |
b48fc7bb DN |
672 | ia64_sal_oemcall(&ret_stuff, call, start_addr, end_addr, return_addr, |
673 | (u64)1, 0, 0, 0); | |
1da177e4 LT |
674 | return ret_stuff.status; |
675 | } | |
676 | ||
677 | /* | |
678 | * Change or query the coherence domain for this partition. Each cpu-based | |
679 | * nasid is represented by a bit in an array of 64-bit words: | |
680 | * 0 = not in this partition's coherency domain | |
681 | * 1 = in this partition's coherency domain | |
682 | * | |
683 | * It is not possible for the local system's nasids to be removed from | |
684 | * the coherency domain. Purpose of the domain arguments: | |
685 | * new_domain = set the coherence domain to the given nasids | |
686 | * old_domain = return the current coherence domain | |
687 | * | |
688 | * Returns 0 on success, or a negative value if an error occurred. | |
689 | */ | |
690 | static inline int | |
691 | sn_change_coherence(u64 *new_domain, u64 *old_domain) | |
692 | { | |
693 | struct ia64_sal_retval ret_stuff; | |
b48fc7bb DN |
694 | ia64_sal_oemcall(&ret_stuff, SN_SAL_COHERENCE, (u64)new_domain, |
695 | (u64)old_domain, 0, 0, 0, 0, 0); | |
1da177e4 LT |
696 | return ret_stuff.status; |
697 | } | |
698 | ||
699 | /* | |
700 | * Change memory access protections for a physical address range. | |
701 | * nasid_array is not used on Altix, but may be in future architectures. | |
702 | * Available memory protection access classes are defined after the function. | |
703 | */ | |
704 | static inline int | |
705 | sn_change_memprotect(u64 paddr, u64 len, u64 perms, u64 *nasid_array) | |
706 | { | |
707 | struct ia64_sal_retval ret_stuff; | |
708 | int cnodeid; | |
709 | unsigned long irq_flags; | |
710 | ||
711 | cnodeid = nasid_to_cnodeid(get_node_number(paddr)); | |
1da177e4 | 712 | local_irq_save(irq_flags); |
b48fc7bb DN |
713 | ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_MEMPROTECT, paddr, len, |
714 | (u64)nasid_array, perms, 0, 0, 0); | |
1da177e4 | 715 | local_irq_restore(irq_flags); |
1da177e4 LT |
716 | return ret_stuff.status; |
717 | } | |
718 | #define SN_MEMPROT_ACCESS_CLASS_0 0x14a080 | |
719 | #define SN_MEMPROT_ACCESS_CLASS_1 0x2520c2 | |
720 | #define SN_MEMPROT_ACCESS_CLASS_2 0x14a1ca | |
721 | #define SN_MEMPROT_ACCESS_CLASS_3 0x14a290 | |
722 | #define SN_MEMPROT_ACCESS_CLASS_6 0x084080 | |
723 | #define SN_MEMPROT_ACCESS_CLASS_7 0x021080 | |
724 | ||
725 | /* | |
726 | * Turns off system power. | |
727 | */ | |
728 | static inline void | |
729 | ia64_sn_power_down(void) | |
730 | { | |
731 | struct ia64_sal_retval ret_stuff; | |
732 | SAL_CALL(ret_stuff, SN_SAL_SYSTEM_POWER_DOWN, 0, 0, 0, 0, 0, 0, 0); | |
68b9753f JS |
733 | while(1) |
734 | cpu_relax(); | |
1da177e4 LT |
735 | /* never returns */ |
736 | } | |
737 | ||
738 | /** | |
739 | * ia64_sn_fru_capture - tell the system controller to capture hw state | |
740 | * | |
741 | * This routine will call the SAL which will tell the system controller(s) | |
742 | * to capture hw mmr information from each SHub in the system. | |
743 | */ | |
744 | static inline u64 | |
745 | ia64_sn_fru_capture(void) | |
746 | { | |
747 | struct ia64_sal_retval isrv; | |
748 | SAL_CALL(isrv, SN_SAL_SYSCTL_FRU_CAPTURE, 0, 0, 0, 0, 0, 0, 0); | |
749 | if (isrv.status) | |
750 | return 0; | |
751 | return isrv.v0; | |
752 | } | |
753 | ||
754 | /* | |
755 | * Performs an operation on a PCI bus or slot -- power up, power down | |
756 | * or reset. | |
757 | */ | |
758 | static inline u64 | |
759 | ia64_sn_sysctl_iobrick_pci_op(nasid_t n, u64 connection_type, | |
760 | u64 bus, char slot, | |
761 | u64 action) | |
762 | { | |
763 | struct ia64_sal_retval rv = {0, 0, 0, 0}; | |
764 | ||
765 | SAL_CALL_NOLOCK(rv, SN_SAL_SYSCTL_IOBRICK_PCI_OP, connection_type, n, action, | |
766 | bus, (u64) slot, 0, 0); | |
767 | if (rv.status) | |
768 | return rv.v0; | |
769 | return 0; | |
770 | } | |
771 | ||
772 | ||
773 | /* | |
774 | * Open a subchannel for sending arbitrary data to the system | |
775 | * controller network via the system controller device associated with | |
776 | * 'nasid'. Return the subchannel number or a negative error code. | |
777 | */ | |
778 | static inline int | |
779 | ia64_sn_irtr_open(nasid_t nasid) | |
780 | { | |
781 | struct ia64_sal_retval rv; | |
782 | SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_OPEN, nasid, | |
783 | 0, 0, 0, 0, 0); | |
784 | return (int) rv.v0; | |
785 | } | |
786 | ||
787 | /* | |
788 | * Close system controller subchannel 'subch' previously opened on 'nasid'. | |
789 | */ | |
790 | static inline int | |
791 | ia64_sn_irtr_close(nasid_t nasid, int subch) | |
792 | { | |
793 | struct ia64_sal_retval rv; | |
794 | SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_CLOSE, | |
795 | (u64) nasid, (u64) subch, 0, 0, 0, 0); | |
796 | return (int) rv.status; | |
797 | } | |
798 | ||
799 | /* | |
800 | * Read data from system controller associated with 'nasid' on | |
801 | * subchannel 'subch'. The buffer to be filled is pointed to by | |
802 | * 'buf', and its capacity is in the integer pointed to by 'len'. The | |
803 | * referent of 'len' is set to the number of bytes read by the SAL | |
804 | * call. The return value is either SALRET_OK (for bytes read) or | |
805 | * SALRET_ERROR (for error or "no data available"). | |
806 | */ | |
807 | static inline int | |
808 | ia64_sn_irtr_recv(nasid_t nasid, int subch, char *buf, int *len) | |
809 | { | |
810 | struct ia64_sal_retval rv; | |
811 | SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_RECV, | |
812 | (u64) nasid, (u64) subch, (u64) buf, (u64) len, | |
813 | 0, 0); | |
814 | return (int) rv.status; | |
815 | } | |
816 | ||
817 | /* | |
818 | * Write data to the system controller network via the system | |
819 | * controller associated with 'nasid' on suchannel 'subch'. The | |
820 | * buffer to be written out is pointed to by 'buf', and 'len' is the | |
821 | * number of bytes to be written. The return value is either the | |
822 | * number of bytes written (which could be zero) or a negative error | |
823 | * code. | |
824 | */ | |
825 | static inline int | |
826 | ia64_sn_irtr_send(nasid_t nasid, int subch, char *buf, int len) | |
827 | { | |
828 | struct ia64_sal_retval rv; | |
829 | SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_SEND, | |
830 | (u64) nasid, (u64) subch, (u64) buf, (u64) len, | |
831 | 0, 0); | |
832 | return (int) rv.v0; | |
833 | } | |
834 | ||
835 | /* | |
836 | * Check whether any interrupts are pending for the system controller | |
837 | * associated with 'nasid' and its subchannel 'subch'. The return | |
838 | * value is a mask of pending interrupts (SAL_IROUTER_INTR_XMIT and/or | |
839 | * SAL_IROUTER_INTR_RECV). | |
840 | */ | |
841 | static inline int | |
842 | ia64_sn_irtr_intr(nasid_t nasid, int subch) | |
843 | { | |
844 | struct ia64_sal_retval rv; | |
845 | SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_INTR_STATUS, | |
846 | (u64) nasid, (u64) subch, 0, 0, 0, 0); | |
847 | return (int) rv.v0; | |
848 | } | |
849 | ||
850 | /* | |
851 | * Enable the interrupt indicated by the intr parameter (either | |
852 | * SAL_IROUTER_INTR_XMIT or SAL_IROUTER_INTR_RECV). | |
853 | */ | |
854 | static inline int | |
855 | ia64_sn_irtr_intr_enable(nasid_t nasid, int subch, u64 intr) | |
856 | { | |
857 | struct ia64_sal_retval rv; | |
858 | SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_INTR_ON, | |
859 | (u64) nasid, (u64) subch, intr, 0, 0, 0); | |
860 | return (int) rv.v0; | |
861 | } | |
862 | ||
863 | /* | |
864 | * Disable the interrupt indicated by the intr parameter (either | |
865 | * SAL_IROUTER_INTR_XMIT or SAL_IROUTER_INTR_RECV). | |
866 | */ | |
867 | static inline int | |
868 | ia64_sn_irtr_intr_disable(nasid_t nasid, int subch, u64 intr) | |
869 | { | |
870 | struct ia64_sal_retval rv; | |
871 | SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_INTR_OFF, | |
872 | (u64) nasid, (u64) subch, intr, 0, 0, 0); | |
873 | return (int) rv.v0; | |
874 | } | |
875 | ||
67639deb GH |
876 | /* |
877 | * Set up a node as the point of contact for system controller | |
878 | * environmental event delivery. | |
879 | */ | |
880 | static inline int | |
881 | ia64_sn_sysctl_event_init(nasid_t nasid) | |
882 | { | |
883 | struct ia64_sal_retval rv; | |
884 | SAL_CALL_REENTRANT(rv, SN_SAL_SYSCTL_EVENT, (u64) nasid, | |
885 | 0, 0, 0, 0, 0, 0); | |
886 | return (int) rv.v0; | |
887 | } | |
888 | ||
25732ad4 BL |
889 | /* |
890 | * Ask the system controller on the specified nasid to reset | |
891 | * the CX corelet clock. Only valid on TIO nodes. | |
892 | */ | |
893 | static inline int | |
894 | ia64_sn_sysctl_tio_clock_reset(nasid_t nasid) | |
895 | { | |
896 | struct ia64_sal_retval rv; | |
897 | SAL_CALL_REENTRANT(rv, SN_SAL_SYSCTL_OP, SAL_SYSCTL_OP_TIO_JLCK_RST, | |
898 | nasid, 0, 0, 0, 0, 0); | |
899 | if (rv.status != 0) | |
900 | return (int)rv.status; | |
901 | if (rv.v0 != 0) | |
902 | return (int)rv.v0; | |
903 | ||
904 | return 0; | |
905 | } | |
906 | ||
907 | /* | |
908 | * Get the associated ioboard type for a given nasid. | |
909 | */ | |
910 | static inline int | |
911 | ia64_sn_sysctl_ioboard_get(nasid_t nasid) | |
912 | { | |
913 | struct ia64_sal_retval rv; | |
914 | SAL_CALL_REENTRANT(rv, SN_SAL_SYSCTL_OP, SAL_SYSCTL_OP_IOBOARD, | |
915 | nasid, 0, 0, 0, 0, 0); | |
916 | if (rv.v0 != 0) | |
917 | return (int)rv.v0; | |
918 | if (rv.v1 != 0) | |
919 | return (int)rv.v1; | |
920 | ||
921 | return 0; | |
922 | } | |
923 | ||
1da177e4 LT |
924 | /** |
925 | * ia64_sn_get_fit_compt - read a FIT entry from the PROM header | |
926 | * @nasid: NASID of node to read | |
927 | * @index: FIT entry index to be retrieved (0..n) | |
928 | * @fitentry: 16 byte buffer where FIT entry will be stored. | |
929 | * @banbuf: optional buffer for retrieving banner | |
930 | * @banlen: length of banner buffer | |
931 | * | |
932 | * Access to the physical PROM chips needs to be serialized since reads and | |
933 | * writes can't occur at the same time, so we need to call into the SAL when | |
934 | * we want to look at the FIT entries on the chips. | |
935 | * | |
936 | * Returns: | |
937 | * %SALRET_OK if ok | |
938 | * %SALRET_INVALID_ARG if index too big | |
939 | * %SALRET_NOT_IMPLEMENTED if running on older PROM | |
940 | * ??? if nasid invalid OR banner buffer not large enough | |
941 | */ | |
942 | static inline int | |
943 | ia64_sn_get_fit_compt(u64 nasid, u64 index, void *fitentry, void *banbuf, | |
944 | u64 banlen) | |
945 | { | |
946 | struct ia64_sal_retval rv; | |
947 | SAL_CALL_NOLOCK(rv, SN_SAL_GET_FIT_COMPT, nasid, index, fitentry, | |
948 | banbuf, banlen, 0, 0); | |
949 | return (int) rv.status; | |
950 | } | |
951 | ||
952 | /* | |
953 | * Initialize the SAL components of the system controller | |
954 | * communication driver; specifically pass in a sizable buffer that | |
955 | * can be used for allocation of subchannel queues as new subchannels | |
956 | * are opened. "buf" points to the buffer, and "len" specifies its | |
957 | * length. | |
958 | */ | |
959 | static inline int | |
960 | ia64_sn_irtr_init(nasid_t nasid, void *buf, int len) | |
961 | { | |
962 | struct ia64_sal_retval rv; | |
963 | SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_INIT, | |
964 | (u64) nasid, (u64) buf, (u64) len, 0, 0, 0); | |
965 | return (int) rv.status; | |
966 | } | |
967 | ||
968 | /* | |
969 | * Returns the nasid, subnode & slice corresponding to a SAPIC ID | |
970 | * | |
971 | * In: | |
972 | * arg0 - SN_SAL_GET_SAPIC_INFO | |
973 | * arg1 - sapicid (lid >> 16) | |
974 | * Out: | |
975 | * v0 - nasid | |
976 | * v1 - subnode | |
977 | * v2 - slice | |
978 | */ | |
979 | static inline u64 | |
980 | ia64_sn_get_sapic_info(int sapicid, int *nasid, int *subnode, int *slice) | |
981 | { | |
982 | struct ia64_sal_retval ret_stuff; | |
983 | ||
984 | ret_stuff.status = 0; | |
985 | ret_stuff.v0 = 0; | |
986 | ret_stuff.v1 = 0; | |
987 | ret_stuff.v2 = 0; | |
988 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_GET_SAPIC_INFO, sapicid, 0, 0, 0, 0, 0, 0); | |
989 | ||
990 | /***** BEGIN HACK - temp til old proms no longer supported ********/ | |
991 | if (ret_stuff.status == SALRET_NOT_IMPLEMENTED) { | |
992 | if (nasid) *nasid = sapicid & 0xfff; | |
993 | if (subnode) *subnode = (sapicid >> 13) & 1; | |
994 | if (slice) *slice = (sapicid >> 12) & 3; | |
995 | return 0; | |
996 | } | |
997 | /***** END HACK *******/ | |
998 | ||
999 | if (ret_stuff.status < 0) | |
1000 | return ret_stuff.status; | |
1001 | ||
1002 | if (nasid) *nasid = (int) ret_stuff.v0; | |
1003 | if (subnode) *subnode = (int) ret_stuff.v1; | |
1004 | if (slice) *slice = (int) ret_stuff.v2; | |
1005 | return 0; | |
1006 | } | |
1007 | ||
1008 | /* | |
1009 | * Returns information about the HUB/SHUB. | |
1010 | * In: | |
1011 | * arg0 - SN_SAL_GET_SN_INFO | |
1012 | * arg1 - 0 (other values reserved for future use) | |
1013 | * Out: | |
1014 | * v0 | |
1015 | * [7:0] - shub type (0=shub1, 1=shub2) | |
1016 | * [15:8] - Log2 max number of nodes in entire system (includes | |
1017 | * C-bricks, I-bricks, etc) | |
1018 | * [23:16] - Log2 of nodes per sharing domain | |
1019 | * [31:24] - partition ID | |
1020 | * [39:32] - coherency_id | |
1021 | * [47:40] - regionsize | |
1022 | * v1 | |
1023 | * [15:0] - nasid mask (ex., 0x7ff for 11 bit nasid) | |
1024 | * [23:15] - bit position of low nasid bit | |
1025 | */ | |
1026 | static inline u64 | |
1027 | ia64_sn_get_sn_info(int fc, u8 *shubtype, u16 *nasid_bitmask, u8 *nasid_shift, | |
1028 | u8 *systemsize, u8 *sharing_domain_size, u8 *partid, u8 *coher, u8 *reg) | |
1029 | { | |
1030 | struct ia64_sal_retval ret_stuff; | |
1031 | ||
1032 | ret_stuff.status = 0; | |
1033 | ret_stuff.v0 = 0; | |
1034 | ret_stuff.v1 = 0; | |
1035 | ret_stuff.v2 = 0; | |
1036 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_GET_SN_INFO, fc, 0, 0, 0, 0, 0, 0); | |
1037 | ||
771388dc JS |
1038 | /***** BEGIN HACK - temp til old proms no longer supported ********/ |
1039 | if (ret_stuff.status == SALRET_NOT_IMPLEMENTED) { | |
53b3531b | 1040 | int nasid = get_sapicid() & 0xfff; |
771388dc JS |
1041 | #define SH_SHUB_ID_NODES_PER_BIT_MASK 0x001f000000000000UL |
1042 | #define SH_SHUB_ID_NODES_PER_BIT_SHFT 48 | |
1043 | if (shubtype) *shubtype = 0; | |
1044 | if (nasid_bitmask) *nasid_bitmask = 0x7ff; | |
1045 | if (nasid_shift) *nasid_shift = 38; | |
1046 | if (systemsize) *systemsize = 10; | |
1047 | if (sharing_domain_size) *sharing_domain_size = 8; | |
1048 | if (partid) *partid = ia64_sn_sysctl_partition_get(nasid); | |
1049 | if (coher) *coher = nasid >> 9; | |
1050 | if (reg) *reg = (HUB_L((u64 *) LOCAL_MMR_ADDR(SH1_SHUB_ID)) & SH_SHUB_ID_NODES_PER_BIT_MASK) >> | |
1051 | SH_SHUB_ID_NODES_PER_BIT_SHFT; | |
1052 | return 0; | |
1053 | } | |
1054 | /***** END HACK *******/ | |
1055 | ||
1da177e4 LT |
1056 | if (ret_stuff.status < 0) |
1057 | return ret_stuff.status; | |
1058 | ||
1059 | if (shubtype) *shubtype = ret_stuff.v0 & 0xff; | |
1060 | if (systemsize) *systemsize = (ret_stuff.v0 >> 8) & 0xff; | |
1061 | if (sharing_domain_size) *sharing_domain_size = (ret_stuff.v0 >> 16) & 0xff; | |
1062 | if (partid) *partid = (ret_stuff.v0 >> 24) & 0xff; | |
1063 | if (coher) *coher = (ret_stuff.v0 >> 32) & 0xff; | |
1064 | if (reg) *reg = (ret_stuff.v0 >> 40) & 0xff; | |
1065 | if (nasid_bitmask) *nasid_bitmask = (ret_stuff.v1 & 0xffff); | |
1066 | if (nasid_shift) *nasid_shift = (ret_stuff.v1 >> 16) & 0xff; | |
1067 | return 0; | |
1068 | } | |
1069 | ||
1070 | /* | |
1071 | * This is the access point to the Altix PROM hardware performance | |
1072 | * and status monitoring interface. For info on using this, see | |
1073 | * include/asm-ia64/sn/sn2/sn_hwperf.h | |
1074 | */ | |
1075 | static inline int | |
1076 | ia64_sn_hwperf_op(nasid_t nasid, u64 opcode, u64 a0, u64 a1, u64 a2, | |
1077 | u64 a3, u64 a4, int *v0) | |
1078 | { | |
1079 | struct ia64_sal_retval rv; | |
1080 | SAL_CALL_NOLOCK(rv, SN_SAL_HWPERF_OP, (u64)nasid, | |
1081 | opcode, a0, a1, a2, a3, a4); | |
1082 | if (v0) | |
1083 | *v0 = (int) rv.v0; | |
1084 | return (int) rv.status; | |
1085 | } | |
1086 | ||
4a5c13c7 | 1087 | static inline int |
ecc3c30a | 1088 | ia64_sn_ioif_get_pci_topology(u64 buf, u64 len) |
4a5c13c7 MG |
1089 | { |
1090 | struct ia64_sal_retval rv; | |
ecc3c30a | 1091 | SAL_CALL_NOLOCK(rv, SN_SAL_IOIF_GET_PCI_TOPOLOGY, buf, len, 0, 0, 0, 0, 0); |
4a5c13c7 MG |
1092 | return (int) rv.status; |
1093 | } | |
1094 | ||
93a07d0a RA |
1095 | /* |
1096 | * BTE error recovery is implemented in SAL | |
1097 | */ | |
1098 | static inline int | |
1099 | ia64_sn_bte_recovery(nasid_t nasid) | |
1100 | { | |
1101 | struct ia64_sal_retval rv; | |
1102 | ||
1103 | rv.status = 0; | |
17e8ce0e | 1104 | SAL_CALL_NOLOCK(rv, SN_SAL_BTE_RECOVER, (u64)nasid, 0, 0, 0, 0, 0, 0); |
93a07d0a RA |
1105 | if (rv.status == SALRET_NOT_IMPLEMENTED) |
1106 | return 0; | |
1107 | return (int) rv.status; | |
1108 | } | |
1109 | ||
71a5d027 JS |
1110 | static inline int |
1111 | ia64_sn_is_fake_prom(void) | |
1112 | { | |
1113 | struct ia64_sal_retval rv; | |
1114 | SAL_CALL_NOLOCK(rv, SN_SAL_FAKE_PROM, 0, 0, 0, 0, 0, 0, 0); | |
1115 | return (rv.status == 0); | |
1116 | } | |
1117 | ||
a1cddb88 JS |
1118 | static inline int |
1119 | ia64_sn_get_prom_feature_set(int set, unsigned long *feature_set) | |
1120 | { | |
1121 | struct ia64_sal_retval rv; | |
1122 | ||
1123 | SAL_CALL_NOLOCK(rv, SN_SAL_GET_PROM_FEATURE_SET, set, 0, 0, 0, 0, 0, 0); | |
1124 | if (rv.status != 0) | |
1125 | return rv.status; | |
1126 | *feature_set = rv.v0; | |
1127 | return 0; | |
1128 | } | |
1129 | ||
1130 | static inline int | |
1131 | ia64_sn_set_os_feature(int feature) | |
1132 | { | |
1133 | struct ia64_sal_retval rv; | |
1134 | ||
1135 | SAL_CALL_NOLOCK(rv, SN_SAL_SET_OS_FEATURE_SET, feature, 0, 0, 0, 0, 0, 0); | |
1136 | return rv.status; | |
1137 | } | |
1138 | ||
1da177e4 | 1139 | #endif /* _ASM_IA64_SN_SN_SAL_H */ |