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1da177e4 LT |
1 | #ifndef _ASM_IA64_SAL_H |
2 | #define _ASM_IA64_SAL_H | |
3 | ||
4 | /* | |
5 | * System Abstraction Layer definitions. | |
6 | * | |
7 | * This is based on version 2.5 of the manual "IA-64 System | |
8 | * Abstraction Layer". | |
9 | * | |
10 | * Copyright (C) 2001 Intel | |
11 | * Copyright (C) 2002 Jenna Hall <jenna.s.hall@intel.com> | |
12 | * Copyright (C) 2001 Fred Lewis <frederick.v.lewis@intel.com> | |
13 | * Copyright (C) 1998, 1999, 2001, 2003 Hewlett-Packard Co | |
14 | * David Mosberger-Tang <davidm@hpl.hp.com> | |
15 | * Copyright (C) 1999 Srinivasa Prasad Thirumalachar <sprasad@sprasad.engr.sgi.com> | |
16 | * | |
17 | * 02/01/04 J. Hall Updated Error Record Structures to conform to July 2001 | |
18 | * revision of the SAL spec. | |
19 | * 01/01/03 fvlewis Updated Error Record Structures to conform with Nov. 2000 | |
20 | * revision of the SAL spec. | |
21 | * 99/09/29 davidm Updated for SAL 2.6. | |
22 | * 00/03/29 cfleck Updated SAL Error Logging info for processor (SAL 2.6) | |
23 | * (plus examples of platform error info structures from smariset @ Intel) | |
24 | */ | |
25 | ||
26 | #define IA64_SAL_PLATFORM_FEATURE_BUS_LOCK_BIT 0 | |
27 | #define IA64_SAL_PLATFORM_FEATURE_IRQ_REDIR_HINT_BIT 1 | |
28 | #define IA64_SAL_PLATFORM_FEATURE_IPI_REDIR_HINT_BIT 2 | |
29 | #define IA64_SAL_PLATFORM_FEATURE_ITC_DRIFT_BIT 3 | |
30 | ||
31 | #define IA64_SAL_PLATFORM_FEATURE_BUS_LOCK (1<<IA64_SAL_PLATFORM_FEATURE_BUS_LOCK_BIT) | |
32 | #define IA64_SAL_PLATFORM_FEATURE_IRQ_REDIR_HINT (1<<IA64_SAL_PLATFORM_FEATURE_IRQ_REDIR_HINT_BIT) | |
33 | #define IA64_SAL_PLATFORM_FEATURE_IPI_REDIR_HINT (1<<IA64_SAL_PLATFORM_FEATURE_IPI_REDIR_HINT_BIT) | |
34 | #define IA64_SAL_PLATFORM_FEATURE_ITC_DRIFT (1<<IA64_SAL_PLATFORM_FEATURE_ITC_DRIFT_BIT) | |
35 | ||
36 | #ifndef __ASSEMBLY__ | |
37 | ||
38 | #include <linux/bcd.h> | |
39 | #include <linux/spinlock.h> | |
40 | #include <linux/efi.h> | |
41 | ||
42 | #include <asm/pal.h> | |
43 | #include <asm/system.h> | |
44 | #include <asm/fpu.h> | |
45 | ||
46 | extern spinlock_t sal_lock; | |
47 | ||
48 | /* SAL spec _requires_ eight args for each call. */ | |
edbe7075 BH |
49 | #define __IA64_FW_CALL(entry,result,a0,a1,a2,a3,a4,a5,a6,a7) \ |
50 | result = (*entry)(a0,a1,a2,a3,a4,a5,a6,a7) | |
1da177e4 | 51 | |
edbe7075 | 52 | # define IA64_FW_CALL(entry,result,args...) do { \ |
1da177e4 LT |
53 | unsigned long __ia64_sc_flags; \ |
54 | struct ia64_fpreg __ia64_sc_fr[6]; \ | |
55 | ia64_save_scratch_fpregs(__ia64_sc_fr); \ | |
56 | spin_lock_irqsave(&sal_lock, __ia64_sc_flags); \ | |
edbe7075 | 57 | __IA64_FW_CALL(entry, result, args); \ |
1da177e4 LT |
58 | spin_unlock_irqrestore(&sal_lock, __ia64_sc_flags); \ |
59 | ia64_load_scratch_fpregs(__ia64_sc_fr); \ | |
60 | } while (0) | |
61 | ||
edbe7075 BH |
62 | # define SAL_CALL(result,args...) \ |
63 | IA64_FW_CALL(ia64_sal, result, args); | |
64 | ||
1da177e4 LT |
65 | # define SAL_CALL_NOLOCK(result,args...) do { \ |
66 | unsigned long __ia64_scn_flags; \ | |
67 | struct ia64_fpreg __ia64_scn_fr[6]; \ | |
68 | ia64_save_scratch_fpregs(__ia64_scn_fr); \ | |
69 | local_irq_save(__ia64_scn_flags); \ | |
edbe7075 | 70 | __IA64_FW_CALL(ia64_sal, result, args); \ |
1da177e4 LT |
71 | local_irq_restore(__ia64_scn_flags); \ |
72 | ia64_load_scratch_fpregs(__ia64_scn_fr); \ | |
73 | } while (0) | |
74 | ||
75 | # define SAL_CALL_REENTRANT(result,args...) do { \ | |
76 | struct ia64_fpreg __ia64_scs_fr[6]; \ | |
77 | ia64_save_scratch_fpregs(__ia64_scs_fr); \ | |
78 | preempt_disable(); \ | |
edbe7075 | 79 | __IA64_FW_CALL(ia64_sal, result, args); \ |
1da177e4 LT |
80 | preempt_enable(); \ |
81 | ia64_load_scratch_fpregs(__ia64_scs_fr); \ | |
82 | } while (0) | |
83 | ||
84 | #define SAL_SET_VECTORS 0x01000000 | |
85 | #define SAL_GET_STATE_INFO 0x01000001 | |
86 | #define SAL_GET_STATE_INFO_SIZE 0x01000002 | |
87 | #define SAL_CLEAR_STATE_INFO 0x01000003 | |
88 | #define SAL_MC_RENDEZ 0x01000004 | |
89 | #define SAL_MC_SET_PARAMS 0x01000005 | |
90 | #define SAL_REGISTER_PHYSICAL_ADDR 0x01000006 | |
91 | ||
92 | #define SAL_CACHE_FLUSH 0x01000008 | |
93 | #define SAL_CACHE_INIT 0x01000009 | |
94 | #define SAL_PCI_CONFIG_READ 0x01000010 | |
95 | #define SAL_PCI_CONFIG_WRITE 0x01000011 | |
96 | #define SAL_FREQ_BASE 0x01000012 | |
e927ecb0 | 97 | #define SAL_PHYSICAL_ID_INFO 0x01000013 |
1da177e4 LT |
98 | |
99 | #define SAL_UPDATE_PAL 0x01000020 | |
100 | ||
101 | struct ia64_sal_retval { | |
102 | /* | |
103 | * A zero status value indicates call completed without error. | |
104 | * A negative status value indicates reason of call failure. | |
105 | * A positive status value indicates success but an | |
106 | * informational value should be printed (e.g., "reboot for | |
107 | * change to take effect"). | |
108 | */ | |
109 | s64 status; | |
110 | u64 v0; | |
111 | u64 v1; | |
112 | u64 v2; | |
113 | }; | |
114 | ||
115 | typedef struct ia64_sal_retval (*ia64_sal_handler) (u64, ...); | |
116 | ||
117 | enum { | |
118 | SAL_FREQ_BASE_PLATFORM = 0, | |
119 | SAL_FREQ_BASE_INTERVAL_TIMER = 1, | |
120 | SAL_FREQ_BASE_REALTIME_CLOCK = 2 | |
121 | }; | |
122 | ||
123 | /* | |
124 | * The SAL system table is followed by a variable number of variable | |
125 | * length descriptors. The structure of these descriptors follows | |
126 | * below. | |
127 | * The defininition follows SAL specs from July 2000 | |
128 | */ | |
129 | struct ia64_sal_systab { | |
130 | u8 signature[4]; /* should be "SST_" */ | |
131 | u32 size; /* size of this table in bytes */ | |
132 | u8 sal_rev_minor; | |
133 | u8 sal_rev_major; | |
134 | u16 entry_count; /* # of entries in variable portion */ | |
135 | u8 checksum; | |
136 | u8 reserved1[7]; | |
137 | u8 sal_a_rev_minor; | |
138 | u8 sal_a_rev_major; | |
139 | u8 sal_b_rev_minor; | |
140 | u8 sal_b_rev_major; | |
141 | /* oem_id & product_id: terminating NUL is missing if string is exactly 32 bytes long. */ | |
142 | u8 oem_id[32]; | |
143 | u8 product_id[32]; /* ASCII product id */ | |
144 | u8 reserved2[8]; | |
145 | }; | |
146 | ||
147 | enum sal_systab_entry_type { | |
148 | SAL_DESC_ENTRY_POINT = 0, | |
149 | SAL_DESC_MEMORY = 1, | |
150 | SAL_DESC_PLATFORM_FEATURE = 2, | |
151 | SAL_DESC_TR = 3, | |
152 | SAL_DESC_PTC = 4, | |
153 | SAL_DESC_AP_WAKEUP = 5 | |
154 | }; | |
155 | ||
156 | /* | |
157 | * Entry type: Size: | |
158 | * 0 48 | |
159 | * 1 32 | |
160 | * 2 16 | |
161 | * 3 32 | |
162 | * 4 16 | |
163 | * 5 16 | |
164 | */ | |
165 | #define SAL_DESC_SIZE(type) "\060\040\020\040\020\020"[(unsigned) type] | |
166 | ||
167 | typedef struct ia64_sal_desc_entry_point { | |
168 | u8 type; | |
169 | u8 reserved1[7]; | |
170 | u64 pal_proc; | |
171 | u64 sal_proc; | |
172 | u64 gp; | |
173 | u8 reserved2[16]; | |
174 | }ia64_sal_desc_entry_point_t; | |
175 | ||
176 | typedef struct ia64_sal_desc_memory { | |
177 | u8 type; | |
178 | u8 used_by_sal; /* needs to be mapped for SAL? */ | |
179 | u8 mem_attr; /* current memory attribute setting */ | |
180 | u8 access_rights; /* access rights set up by SAL */ | |
181 | u8 mem_attr_mask; /* mask of supported memory attributes */ | |
182 | u8 reserved1; | |
183 | u8 mem_type; /* memory type */ | |
184 | u8 mem_usage; /* memory usage */ | |
185 | u64 addr; /* physical address of memory */ | |
186 | u32 length; /* length (multiple of 4KB pages) */ | |
187 | u32 reserved2; | |
188 | u8 oem_reserved[8]; | |
189 | } ia64_sal_desc_memory_t; | |
190 | ||
191 | typedef struct ia64_sal_desc_platform_feature { | |
192 | u8 type; | |
193 | u8 feature_mask; | |
194 | u8 reserved1[14]; | |
195 | } ia64_sal_desc_platform_feature_t; | |
196 | ||
197 | typedef struct ia64_sal_desc_tr { | |
198 | u8 type; | |
199 | u8 tr_type; /* 0 == instruction, 1 == data */ | |
200 | u8 regnum; /* translation register number */ | |
201 | u8 reserved1[5]; | |
202 | u64 addr; /* virtual address of area covered */ | |
203 | u64 page_size; /* encoded page size */ | |
204 | u8 reserved2[8]; | |
205 | } ia64_sal_desc_tr_t; | |
206 | ||
207 | typedef struct ia64_sal_desc_ptc { | |
208 | u8 type; | |
209 | u8 reserved1[3]; | |
210 | u32 num_domains; /* # of coherence domains */ | |
211 | u64 domain_info; /* physical address of domain info table */ | |
212 | } ia64_sal_desc_ptc_t; | |
213 | ||
214 | typedef struct ia64_sal_ptc_domain_info { | |
215 | u64 proc_count; /* number of processors in domain */ | |
216 | u64 proc_list; /* physical address of LID array */ | |
217 | } ia64_sal_ptc_domain_info_t; | |
218 | ||
219 | typedef struct ia64_sal_ptc_domain_proc_entry { | |
220 | u64 id : 8; /* id of processor */ | |
221 | u64 eid : 8; /* eid of processor */ | |
222 | } ia64_sal_ptc_domain_proc_entry_t; | |
223 | ||
224 | ||
225 | #define IA64_SAL_AP_EXTERNAL_INT 0 | |
226 | ||
227 | typedef struct ia64_sal_desc_ap_wakeup { | |
228 | u8 type; | |
229 | u8 mechanism; /* 0 == external interrupt */ | |
230 | u8 reserved1[6]; | |
231 | u64 vector; /* interrupt vector in range 0x10-0xff */ | |
232 | } ia64_sal_desc_ap_wakeup_t ; | |
233 | ||
234 | extern ia64_sal_handler ia64_sal; | |
235 | extern struct ia64_sal_desc_ptc *ia64_ptc_domain_info; | |
236 | ||
237 | extern unsigned short sal_revision; /* supported SAL spec revision */ | |
238 | extern unsigned short sal_version; /* SAL version; OEM dependent */ | |
239 | #define SAL_VERSION_CODE(major, minor) ((BIN2BCD(major) << 8) | BIN2BCD(minor)) | |
240 | ||
241 | extern const char *ia64_sal_strerror (long status); | |
242 | extern void ia64_sal_init (struct ia64_sal_systab *sal_systab); | |
243 | ||
244 | /* SAL information type encodings */ | |
245 | enum { | |
246 | SAL_INFO_TYPE_MCA = 0, /* Machine check abort information */ | |
247 | SAL_INFO_TYPE_INIT = 1, /* Init information */ | |
248 | SAL_INFO_TYPE_CMC = 2, /* Corrected machine check information */ | |
249 | SAL_INFO_TYPE_CPE = 3 /* Corrected platform error information */ | |
250 | }; | |
251 | ||
252 | /* Encodings for machine check parameter types */ | |
253 | enum { | |
254 | SAL_MC_PARAM_RENDEZ_INT = 1, /* Rendezvous interrupt */ | |
255 | SAL_MC_PARAM_RENDEZ_WAKEUP = 2, /* Wakeup */ | |
256 | SAL_MC_PARAM_CPE_INT = 3 /* Corrected Platform Error Int */ | |
257 | }; | |
258 | ||
259 | /* Encodings for rendezvous mechanisms */ | |
260 | enum { | |
261 | SAL_MC_PARAM_MECHANISM_INT = 1, /* Use interrupt */ | |
262 | SAL_MC_PARAM_MECHANISM_MEM = 2 /* Use memory synchronization variable*/ | |
263 | }; | |
264 | ||
265 | /* Encodings for vectors which can be registered by the OS with SAL */ | |
266 | enum { | |
267 | SAL_VECTOR_OS_MCA = 0, | |
268 | SAL_VECTOR_OS_INIT = 1, | |
269 | SAL_VECTOR_OS_BOOT_RENDEZ = 2 | |
270 | }; | |
271 | ||
272 | /* Encodings for mca_opt parameter sent to SAL_MC_SET_PARAMS */ | |
273 | #define SAL_MC_PARAM_RZ_ALWAYS 0x1 | |
274 | #define SAL_MC_PARAM_BINIT_ESCALATE 0x10 | |
275 | ||
276 | /* | |
277 | * Definition of the SAL Error Log from the SAL spec | |
278 | */ | |
279 | ||
280 | /* SAL Error Record Section GUID Definitions */ | |
281 | #define SAL_PROC_DEV_ERR_SECT_GUID \ | |
282 | EFI_GUID(0xe429faf1, 0x3cb7, 0x11d4, 0xbc, 0xa7, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81) | |
283 | #define SAL_PLAT_MEM_DEV_ERR_SECT_GUID \ | |
284 | EFI_GUID(0xe429faf2, 0x3cb7, 0x11d4, 0xbc, 0xa7, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81) | |
285 | #define SAL_PLAT_SEL_DEV_ERR_SECT_GUID \ | |
286 | EFI_GUID(0xe429faf3, 0x3cb7, 0x11d4, 0xbc, 0xa7, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81) | |
287 | #define SAL_PLAT_PCI_BUS_ERR_SECT_GUID \ | |
288 | EFI_GUID(0xe429faf4, 0x3cb7, 0x11d4, 0xbc, 0xa7, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81) | |
289 | #define SAL_PLAT_SMBIOS_DEV_ERR_SECT_GUID \ | |
290 | EFI_GUID(0xe429faf5, 0x3cb7, 0x11d4, 0xbc, 0xa7, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81) | |
291 | #define SAL_PLAT_PCI_COMP_ERR_SECT_GUID \ | |
292 | EFI_GUID(0xe429faf6, 0x3cb7, 0x11d4, 0xbc, 0xa7, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81) | |
293 | #define SAL_PLAT_SPECIFIC_ERR_SECT_GUID \ | |
294 | EFI_GUID(0xe429faf7, 0x3cb7, 0x11d4, 0xbc, 0xa7, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81) | |
295 | #define SAL_PLAT_HOST_CTLR_ERR_SECT_GUID \ | |
296 | EFI_GUID(0xe429faf8, 0x3cb7, 0x11d4, 0xbc, 0xa7, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81) | |
297 | #define SAL_PLAT_BUS_ERR_SECT_GUID \ | |
298 | EFI_GUID(0xe429faf9, 0x3cb7, 0x11d4, 0xbc, 0xa7, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81) | |
2046b94e FY |
299 | #define PROCESSOR_ABSTRACTION_LAYER_OVERWRITE_GUID \ |
300 | EFI_GUID(0x6cb0a200, 0x893a, 0x11da, 0x96, 0xd2, 0x0, 0x10, 0x83, 0xff, \ | |
301 | 0xca, 0x4d) | |
1da177e4 LT |
302 | |
303 | #define MAX_CACHE_ERRORS 6 | |
304 | #define MAX_TLB_ERRORS 6 | |
305 | #define MAX_BUS_ERRORS 1 | |
306 | ||
307 | /* Definition of version according to SAL spec for logging purposes */ | |
308 | typedef struct sal_log_revision { | |
309 | u8 minor; /* BCD (0..99) */ | |
310 | u8 major; /* BCD (0..99) */ | |
311 | } sal_log_revision_t; | |
312 | ||
313 | /* Definition of timestamp according to SAL spec for logging purposes */ | |
314 | typedef struct sal_log_timestamp { | |
315 | u8 slh_second; /* Second (0..59) */ | |
316 | u8 slh_minute; /* Minute (0..59) */ | |
317 | u8 slh_hour; /* Hour (0..23) */ | |
318 | u8 slh_reserved; | |
319 | u8 slh_day; /* Day (1..31) */ | |
320 | u8 slh_month; /* Month (1..12) */ | |
321 | u8 slh_year; /* Year (00..99) */ | |
322 | u8 slh_century; /* Century (19, 20, 21, ...) */ | |
323 | } sal_log_timestamp_t; | |
324 | ||
325 | /* Definition of log record header structures */ | |
326 | typedef struct sal_log_record_header { | |
327 | u64 id; /* Unique monotonically increasing ID */ | |
328 | sal_log_revision_t revision; /* Major and Minor revision of header */ | |
eed66cfc TL |
329 | u8 severity; /* Error Severity */ |
330 | u8 validation_bits; /* 0: platform_guid, 1: !timestamp */ | |
1da177e4 LT |
331 | u32 len; /* Length of this error log in bytes */ |
332 | sal_log_timestamp_t timestamp; /* Timestamp */ | |
333 | efi_guid_t platform_guid; /* Unique OEM Platform ID */ | |
334 | } sal_log_record_header_t; | |
335 | ||
336 | #define sal_log_severity_recoverable 0 | |
337 | #define sal_log_severity_fatal 1 | |
338 | #define sal_log_severity_corrected 2 | |
339 | ||
340 | /* Definition of log section header structures */ | |
341 | typedef struct sal_log_sec_header { | |
342 | efi_guid_t guid; /* Unique Section ID */ | |
343 | sal_log_revision_t revision; /* Major and Minor revision of Section */ | |
344 | u16 reserved; | |
345 | u32 len; /* Section length */ | |
346 | } sal_log_section_hdr_t; | |
347 | ||
348 | typedef struct sal_log_mod_error_info { | |
349 | struct { | |
350 | u64 check_info : 1, | |
351 | requestor_identifier : 1, | |
352 | responder_identifier : 1, | |
353 | target_identifier : 1, | |
354 | precise_ip : 1, | |
355 | reserved : 59; | |
356 | } valid; | |
357 | u64 check_info; | |
358 | u64 requestor_identifier; | |
359 | u64 responder_identifier; | |
360 | u64 target_identifier; | |
361 | u64 precise_ip; | |
362 | } sal_log_mod_error_info_t; | |
363 | ||
364 | typedef struct sal_processor_static_info { | |
365 | struct { | |
366 | u64 minstate : 1, | |
367 | br : 1, | |
368 | cr : 1, | |
369 | ar : 1, | |
370 | rr : 1, | |
371 | fr : 1, | |
372 | reserved : 58; | |
373 | } valid; | |
374 | pal_min_state_area_t min_state_area; | |
375 | u64 br[8]; | |
376 | u64 cr[128]; | |
377 | u64 ar[128]; | |
378 | u64 rr[8]; | |
379 | struct ia64_fpreg __attribute__ ((packed)) fr[128]; | |
380 | } sal_processor_static_info_t; | |
381 | ||
382 | struct sal_cpuid_info { | |
383 | u64 regs[5]; | |
384 | u64 reserved; | |
385 | }; | |
386 | ||
387 | typedef struct sal_log_processor_info { | |
388 | sal_log_section_hdr_t header; | |
389 | struct { | |
390 | u64 proc_error_map : 1, | |
391 | proc_state_param : 1, | |
392 | proc_cr_lid : 1, | |
393 | psi_static_struct : 1, | |
394 | num_cache_check : 4, | |
395 | num_tlb_check : 4, | |
396 | num_bus_check : 4, | |
397 | num_reg_file_check : 4, | |
398 | num_ms_check : 4, | |
399 | cpuid_info : 1, | |
400 | reserved1 : 39; | |
401 | } valid; | |
402 | u64 proc_error_map; | |
403 | u64 proc_state_parameter; | |
404 | u64 proc_cr_lid; | |
405 | /* | |
406 | * The rest of this structure consists of variable-length arrays, which can't be | |
407 | * expressed in C. | |
408 | */ | |
409 | sal_log_mod_error_info_t info[0]; | |
410 | /* | |
411 | * This is what the rest looked like if C supported variable-length arrays: | |
412 | * | |
413 | * sal_log_mod_error_info_t cache_check_info[.valid.num_cache_check]; | |
414 | * sal_log_mod_error_info_t tlb_check_info[.valid.num_tlb_check]; | |
415 | * sal_log_mod_error_info_t bus_check_info[.valid.num_bus_check]; | |
416 | * sal_log_mod_error_info_t reg_file_check_info[.valid.num_reg_file_check]; | |
417 | * sal_log_mod_error_info_t ms_check_info[.valid.num_ms_check]; | |
418 | * struct sal_cpuid_info cpuid_info; | |
419 | * sal_processor_static_info_t processor_static_info; | |
420 | */ | |
421 | } sal_log_processor_info_t; | |
422 | ||
423 | /* Given a sal_log_processor_info_t pointer, return a pointer to the processor_static_info: */ | |
424 | #define SAL_LPI_PSI_INFO(l) \ | |
425 | ({ sal_log_processor_info_t *_l = (l); \ | |
426 | ((sal_processor_static_info_t *) \ | |
427 | ((char *) _l->info + ((_l->valid.num_cache_check + _l->valid.num_tlb_check \ | |
428 | + _l->valid.num_bus_check + _l->valid.num_reg_file_check \ | |
429 | + _l->valid.num_ms_check) * sizeof(sal_log_mod_error_info_t) \ | |
430 | + sizeof(struct sal_cpuid_info)))); \ | |
431 | }) | |
432 | ||
433 | /* platform error log structures */ | |
434 | ||
435 | typedef struct sal_log_mem_dev_err_info { | |
436 | sal_log_section_hdr_t header; | |
437 | struct { | |
438 | u64 error_status : 1, | |
439 | physical_addr : 1, | |
440 | addr_mask : 1, | |
441 | node : 1, | |
442 | card : 1, | |
443 | module : 1, | |
444 | bank : 1, | |
445 | device : 1, | |
446 | row : 1, | |
447 | column : 1, | |
448 | bit_position : 1, | |
449 | requestor_id : 1, | |
450 | responder_id : 1, | |
451 | target_id : 1, | |
452 | bus_spec_data : 1, | |
453 | oem_id : 1, | |
454 | oem_data : 1, | |
455 | reserved : 47; | |
456 | } valid; | |
457 | u64 error_status; | |
458 | u64 physical_addr; | |
459 | u64 addr_mask; | |
460 | u16 node; | |
461 | u16 card; | |
462 | u16 module; | |
463 | u16 bank; | |
464 | u16 device; | |
465 | u16 row; | |
466 | u16 column; | |
467 | u16 bit_position; | |
468 | u64 requestor_id; | |
469 | u64 responder_id; | |
470 | u64 target_id; | |
471 | u64 bus_spec_data; | |
472 | u8 oem_id[16]; | |
473 | u8 oem_data[1]; /* Variable length data */ | |
474 | } sal_log_mem_dev_err_info_t; | |
475 | ||
476 | typedef struct sal_log_sel_dev_err_info { | |
477 | sal_log_section_hdr_t header; | |
478 | struct { | |
479 | u64 record_id : 1, | |
480 | record_type : 1, | |
481 | generator_id : 1, | |
482 | evm_rev : 1, | |
483 | sensor_type : 1, | |
484 | sensor_num : 1, | |
485 | event_dir : 1, | |
486 | event_data1 : 1, | |
487 | event_data2 : 1, | |
488 | event_data3 : 1, | |
489 | reserved : 54; | |
490 | } valid; | |
491 | u16 record_id; | |
492 | u8 record_type; | |
493 | u8 timestamp[4]; | |
494 | u16 generator_id; | |
495 | u8 evm_rev; | |
496 | u8 sensor_type; | |
497 | u8 sensor_num; | |
498 | u8 event_dir; | |
499 | u8 event_data1; | |
500 | u8 event_data2; | |
501 | u8 event_data3; | |
502 | } sal_log_sel_dev_err_info_t; | |
503 | ||
504 | typedef struct sal_log_pci_bus_err_info { | |
505 | sal_log_section_hdr_t header; | |
506 | struct { | |
507 | u64 err_status : 1, | |
508 | err_type : 1, | |
509 | bus_id : 1, | |
510 | bus_address : 1, | |
511 | bus_data : 1, | |
512 | bus_cmd : 1, | |
513 | requestor_id : 1, | |
514 | responder_id : 1, | |
515 | target_id : 1, | |
516 | oem_data : 1, | |
517 | reserved : 54; | |
518 | } valid; | |
519 | u64 err_status; | |
520 | u16 err_type; | |
521 | u16 bus_id; | |
522 | u32 reserved; | |
523 | u64 bus_address; | |
524 | u64 bus_data; | |
525 | u64 bus_cmd; | |
526 | u64 requestor_id; | |
527 | u64 responder_id; | |
528 | u64 target_id; | |
529 | u8 oem_data[1]; /* Variable length data */ | |
530 | } sal_log_pci_bus_err_info_t; | |
531 | ||
532 | typedef struct sal_log_smbios_dev_err_info { | |
533 | sal_log_section_hdr_t header; | |
534 | struct { | |
535 | u64 event_type : 1, | |
536 | length : 1, | |
537 | time_stamp : 1, | |
538 | data : 1, | |
539 | reserved1 : 60; | |
540 | } valid; | |
541 | u8 event_type; | |
542 | u8 length; | |
543 | u8 time_stamp[6]; | |
544 | u8 data[1]; /* data of variable length, length == slsmb_length */ | |
545 | } sal_log_smbios_dev_err_info_t; | |
546 | ||
547 | typedef struct sal_log_pci_comp_err_info { | |
548 | sal_log_section_hdr_t header; | |
549 | struct { | |
550 | u64 err_status : 1, | |
551 | comp_info : 1, | |
552 | num_mem_regs : 1, | |
553 | num_io_regs : 1, | |
554 | reg_data_pairs : 1, | |
555 | oem_data : 1, | |
556 | reserved : 58; | |
557 | } valid; | |
558 | u64 err_status; | |
559 | struct { | |
560 | u16 vendor_id; | |
561 | u16 device_id; | |
562 | u8 class_code[3]; | |
563 | u8 func_num; | |
564 | u8 dev_num; | |
565 | u8 bus_num; | |
566 | u8 seg_num; | |
567 | u8 reserved[5]; | |
568 | } comp_info; | |
569 | u32 num_mem_regs; | |
570 | u32 num_io_regs; | |
571 | u64 reg_data_pairs[1]; | |
572 | /* | |
573 | * array of address/data register pairs is num_mem_regs + num_io_regs elements | |
574 | * long. Each array element consists of a u64 address followed by a u64 data | |
575 | * value. The oem_data array immediately follows the reg_data_pairs array | |
576 | */ | |
577 | u8 oem_data[1]; /* Variable length data */ | |
578 | } sal_log_pci_comp_err_info_t; | |
579 | ||
580 | typedef struct sal_log_plat_specific_err_info { | |
581 | sal_log_section_hdr_t header; | |
582 | struct { | |
583 | u64 err_status : 1, | |
584 | guid : 1, | |
585 | oem_data : 1, | |
586 | reserved : 61; | |
587 | } valid; | |
588 | u64 err_status; | |
589 | efi_guid_t guid; | |
590 | u8 oem_data[1]; /* platform specific variable length data */ | |
591 | } sal_log_plat_specific_err_info_t; | |
592 | ||
593 | typedef struct sal_log_host_ctlr_err_info { | |
594 | sal_log_section_hdr_t header; | |
595 | struct { | |
596 | u64 err_status : 1, | |
597 | requestor_id : 1, | |
598 | responder_id : 1, | |
599 | target_id : 1, | |
600 | bus_spec_data : 1, | |
601 | oem_data : 1, | |
602 | reserved : 58; | |
603 | } valid; | |
604 | u64 err_status; | |
605 | u64 requestor_id; | |
606 | u64 responder_id; | |
607 | u64 target_id; | |
608 | u64 bus_spec_data; | |
609 | u8 oem_data[1]; /* Variable length OEM data */ | |
610 | } sal_log_host_ctlr_err_info_t; | |
611 | ||
612 | typedef struct sal_log_plat_bus_err_info { | |
613 | sal_log_section_hdr_t header; | |
614 | struct { | |
615 | u64 err_status : 1, | |
616 | requestor_id : 1, | |
617 | responder_id : 1, | |
618 | target_id : 1, | |
619 | bus_spec_data : 1, | |
620 | oem_data : 1, | |
621 | reserved : 58; | |
622 | } valid; | |
623 | u64 err_status; | |
624 | u64 requestor_id; | |
625 | u64 responder_id; | |
626 | u64 target_id; | |
627 | u64 bus_spec_data; | |
628 | u8 oem_data[1]; /* Variable length OEM data */ | |
629 | } sal_log_plat_bus_err_info_t; | |
630 | ||
631 | /* Overall platform error section structure */ | |
632 | typedef union sal_log_platform_err_info { | |
633 | sal_log_mem_dev_err_info_t mem_dev_err; | |
634 | sal_log_sel_dev_err_info_t sel_dev_err; | |
635 | sal_log_pci_bus_err_info_t pci_bus_err; | |
636 | sal_log_smbios_dev_err_info_t smbios_dev_err; | |
637 | sal_log_pci_comp_err_info_t pci_comp_err; | |
638 | sal_log_plat_specific_err_info_t plat_specific_err; | |
639 | sal_log_host_ctlr_err_info_t host_ctlr_err; | |
640 | sal_log_plat_bus_err_info_t plat_bus_err; | |
641 | } sal_log_platform_err_info_t; | |
642 | ||
643 | /* SAL log over-all, multi-section error record structure (processor+platform) */ | |
644 | typedef struct err_rec { | |
645 | sal_log_record_header_t sal_elog_header; | |
646 | sal_log_processor_info_t proc_err; | |
647 | sal_log_platform_err_info_t plat_err; | |
648 | u8 oem_data_pad[1024]; | |
649 | } ia64_err_rec_t; | |
650 | ||
651 | /* | |
652 | * Now define a couple of inline functions for improved type checking | |
653 | * and convenience. | |
654 | */ | |
1da177e4 | 655 | |
a5878691 | 656 | extern s64 ia64_sal_cache_flush (u64 cache_type); |
fa1d19e5 | 657 | extern void __init check_sal_cache_flush (void); |
1da177e4 LT |
658 | |
659 | /* Initialize all the processor and platform level instruction and data caches */ | |
660 | static inline s64 | |
661 | ia64_sal_cache_init (void) | |
662 | { | |
663 | struct ia64_sal_retval isrv; | |
664 | SAL_CALL(isrv, SAL_CACHE_INIT, 0, 0, 0, 0, 0, 0, 0); | |
665 | return isrv.status; | |
666 | } | |
667 | ||
668 | /* | |
669 | * Clear the processor and platform information logged by SAL with respect to the machine | |
670 | * state at the time of MCA's, INITs, CMCs, or CPEs. | |
671 | */ | |
672 | static inline s64 | |
673 | ia64_sal_clear_state_info (u64 sal_info_type) | |
674 | { | |
675 | struct ia64_sal_retval isrv; | |
676 | SAL_CALL_REENTRANT(isrv, SAL_CLEAR_STATE_INFO, sal_info_type, 0, | |
677 | 0, 0, 0, 0, 0); | |
678 | return isrv.status; | |
679 | } | |
680 | ||
681 | ||
682 | /* Get the processor and platform information logged by SAL with respect to the machine | |
683 | * state at the time of the MCAs, INITs, CMCs, or CPEs. | |
684 | */ | |
685 | static inline u64 | |
686 | ia64_sal_get_state_info (u64 sal_info_type, u64 *sal_info) | |
687 | { | |
688 | struct ia64_sal_retval isrv; | |
689 | SAL_CALL_REENTRANT(isrv, SAL_GET_STATE_INFO, sal_info_type, 0, | |
690 | sal_info, 0, 0, 0, 0); | |
691 | if (isrv.status) | |
692 | return 0; | |
693 | ||
694 | return isrv.v0; | |
695 | } | |
696 | ||
697 | /* | |
698 | * Get the maximum size of the information logged by SAL with respect to the machine state | |
699 | * at the time of MCAs, INITs, CMCs, or CPEs. | |
700 | */ | |
701 | static inline u64 | |
702 | ia64_sal_get_state_info_size (u64 sal_info_type) | |
703 | { | |
704 | struct ia64_sal_retval isrv; | |
705 | SAL_CALL_REENTRANT(isrv, SAL_GET_STATE_INFO_SIZE, sal_info_type, 0, | |
706 | 0, 0, 0, 0, 0); | |
707 | if (isrv.status) | |
708 | return 0; | |
709 | return isrv.v0; | |
710 | } | |
711 | ||
712 | /* | |
713 | * Causes the processor to go into a spin loop within SAL where SAL awaits a wakeup from | |
714 | * the monarch processor. Must not lock, because it will not return on any cpu until the | |
715 | * monarch processor sends a wake up. | |
716 | */ | |
717 | static inline s64 | |
718 | ia64_sal_mc_rendez (void) | |
719 | { | |
720 | struct ia64_sal_retval isrv; | |
721 | SAL_CALL_NOLOCK(isrv, SAL_MC_RENDEZ, 0, 0, 0, 0, 0, 0, 0); | |
722 | return isrv.status; | |
723 | } | |
724 | ||
725 | /* | |
726 | * Allow the OS to specify the interrupt number to be used by SAL to interrupt OS during | |
727 | * the machine check rendezvous sequence as well as the mechanism to wake up the | |
728 | * non-monarch processor at the end of machine check processing. | |
729 | * Returns the complete ia64_sal_retval because some calls return more than just a status | |
730 | * value. | |
731 | */ | |
732 | static inline struct ia64_sal_retval | |
733 | ia64_sal_mc_set_params (u64 param_type, u64 i_or_m, u64 i_or_m_val, u64 timeout, u64 rz_always) | |
734 | { | |
735 | struct ia64_sal_retval isrv; | |
736 | SAL_CALL(isrv, SAL_MC_SET_PARAMS, param_type, i_or_m, i_or_m_val, | |
737 | timeout, rz_always, 0, 0); | |
738 | return isrv; | |
739 | } | |
740 | ||
741 | /* Read from PCI configuration space */ | |
742 | static inline s64 | |
743 | ia64_sal_pci_config_read (u64 pci_config_addr, int type, u64 size, u64 *value) | |
744 | { | |
745 | struct ia64_sal_retval isrv; | |
746 | SAL_CALL(isrv, SAL_PCI_CONFIG_READ, pci_config_addr, size, type, 0, 0, 0, 0); | |
747 | if (value) | |
748 | *value = isrv.v0; | |
749 | return isrv.status; | |
750 | } | |
751 | ||
752 | /* Write to PCI configuration space */ | |
753 | static inline s64 | |
754 | ia64_sal_pci_config_write (u64 pci_config_addr, int type, u64 size, u64 value) | |
755 | { | |
756 | struct ia64_sal_retval isrv; | |
757 | SAL_CALL(isrv, SAL_PCI_CONFIG_WRITE, pci_config_addr, size, value, | |
758 | type, 0, 0, 0); | |
759 | return isrv.status; | |
760 | } | |
761 | ||
762 | /* | |
763 | * Register physical addresses of locations needed by SAL when SAL procedures are invoked | |
764 | * in virtual mode. | |
765 | */ | |
766 | static inline s64 | |
767 | ia64_sal_register_physical_addr (u64 phys_entry, u64 phys_addr) | |
768 | { | |
769 | struct ia64_sal_retval isrv; | |
770 | SAL_CALL(isrv, SAL_REGISTER_PHYSICAL_ADDR, phys_entry, phys_addr, | |
771 | 0, 0, 0, 0, 0); | |
772 | return isrv.status; | |
773 | } | |
774 | ||
775 | /* | |
776 | * Register software dependent code locations within SAL. These locations are handlers or | |
777 | * entry points where SAL will pass control for the specified event. These event handlers | |
778 | * are for the bott rendezvous, MCAs and INIT scenarios. | |
779 | */ | |
780 | static inline s64 | |
781 | ia64_sal_set_vectors (u64 vector_type, | |
782 | u64 handler_addr1, u64 gp1, u64 handler_len1, | |
783 | u64 handler_addr2, u64 gp2, u64 handler_len2) | |
784 | { | |
785 | struct ia64_sal_retval isrv; | |
786 | SAL_CALL(isrv, SAL_SET_VECTORS, vector_type, | |
787 | handler_addr1, gp1, handler_len1, | |
788 | handler_addr2, gp2, handler_len2); | |
789 | ||
790 | return isrv.status; | |
791 | } | |
792 | ||
793 | /* Update the contents of PAL block in the non-volatile storage device */ | |
794 | static inline s64 | |
795 | ia64_sal_update_pal (u64 param_buf, u64 scratch_buf, u64 scratch_buf_size, | |
796 | u64 *error_code, u64 *scratch_buf_size_needed) | |
797 | { | |
798 | struct ia64_sal_retval isrv; | |
799 | SAL_CALL(isrv, SAL_UPDATE_PAL, param_buf, scratch_buf, scratch_buf_size, | |
800 | 0, 0, 0, 0); | |
801 | if (error_code) | |
802 | *error_code = isrv.v0; | |
803 | if (scratch_buf_size_needed) | |
804 | *scratch_buf_size_needed = isrv.v1; | |
805 | return isrv.status; | |
806 | } | |
807 | ||
e927ecb0 SS |
808 | /* Get physical processor die mapping in the platform. */ |
809 | static inline s64 | |
810 | ia64_sal_physical_id_info(u16 *splid) | |
811 | { | |
812 | struct ia64_sal_retval isrv; | |
6ed0dc5b AC |
813 | |
814 | if (sal_revision < SAL_VERSION_CODE(3,2)) | |
815 | return -1; | |
816 | ||
e927ecb0 SS |
817 | SAL_CALL(isrv, SAL_PHYSICAL_ID_INFO, 0, 0, 0, 0, 0, 0, 0); |
818 | if (splid) | |
819 | *splid = isrv.v0; | |
820 | return isrv.status; | |
821 | } | |
822 | ||
1da177e4 LT |
823 | extern unsigned long sal_platform_features; |
824 | ||
825 | extern int (*salinfo_platform_oemdata)(const u8 *, u8 **, u64 *); | |
826 | ||
827 | struct sal_ret_values { | |
828 | long r8; long r9; long r10; long r11; | |
829 | }; | |
830 | ||
831 | #define IA64_SAL_OEMFUNC_MIN 0x02000000 | |
832 | #define IA64_SAL_OEMFUNC_MAX 0x03ffffff | |
833 | ||
834 | extern int ia64_sal_oemcall(struct ia64_sal_retval *, u64, u64, u64, u64, u64, | |
835 | u64, u64, u64); | |
836 | extern int ia64_sal_oemcall_nolock(struct ia64_sal_retval *, u64, u64, u64, | |
837 | u64, u64, u64, u64, u64); | |
838 | extern int ia64_sal_oemcall_reentrant(struct ia64_sal_retval *, u64, u64, u64, | |
839 | u64, u64, u64, u64, u64); | |
a7d57ecf ZX |
840 | extern long |
841 | ia64_sal_freq_base (unsigned long which, unsigned long *ticks_per_second, | |
842 | unsigned long *drift_info); | |
b8d8b883 AR |
843 | #ifdef CONFIG_HOTPLUG_CPU |
844 | /* | |
845 | * System Abstraction Layer Specification | |
846 | * Section 3.2.5.1: OS_BOOT_RENDEZ to SAL return State. | |
847 | * Note: region regs are stored first in head.S _start. Hence they must | |
848 | * stay up front. | |
849 | */ | |
850 | struct sal_to_os_boot { | |
851 | u64 rr[8]; /* Region Registers */ | |
860abe8f H |
852 | u64 br[6]; /* br0: |
853 | * return addr into SAL boot rendez routine */ | |
b8d8b883 AR |
854 | u64 gr1; /* SAL:GP */ |
855 | u64 gr12; /* SAL:SP */ | |
856 | u64 gr13; /* SAL: Task Pointer */ | |
857 | u64 fpsr; | |
860abe8f | 858 | u64 pfs; |
b8d8b883 AR |
859 | u64 rnat; |
860 | u64 unat; | |
861 | u64 bspstore; | |
862 | u64 dcr; /* Default Control Register */ | |
863 | u64 iva; | |
864 | u64 pta; | |
865 | u64 itv; | |
866 | u64 pmv; | |
867 | u64 cmcv; | |
868 | u64 lrr[2]; | |
869 | u64 gr[4]; | |
870 | u64 pr; /* Predicate registers */ | |
871 | u64 lc; /* Loop Count */ | |
872 | struct ia64_fpreg fp[20]; | |
873 | }; | |
874 | ||
875 | /* | |
876 | * Global array allocated for NR_CPUS at boot time | |
877 | */ | |
878 | extern struct sal_to_os_boot sal_boot_rendez_state[NR_CPUS]; | |
879 | ||
880 | extern void ia64_jump_to_sal(struct sal_to_os_boot *); | |
881 | #endif | |
1da177e4 LT |
882 | |
883 | extern void ia64_sal_handler_init(void *entry_point, void *gpval); | |
884 | ||
2046b94e FY |
885 | #define PALO_MAX_TLB_PURGES 0xFFFF |
886 | #define PALO_SIG "PALO" | |
887 | ||
888 | struct palo_table { | |
889 | u8 signature[4]; /* Should be "PALO" */ | |
890 | u32 length; | |
891 | u8 minor_revision; | |
892 | u8 major_revision; | |
893 | u8 checksum; | |
894 | u8 reserved1[5]; | |
895 | u16 max_tlb_purges; | |
896 | u8 reserved2[6]; | |
897 | }; | |
898 | ||
a6c75b86 FY |
899 | #define NPTCG_FROM_PAL 0 |
900 | #define NPTCG_FROM_PALO 1 | |
901 | #define NPTCG_FROM_KERNEL_PARAMETER 2 | |
902 | ||
1da177e4 LT |
903 | #endif /* __ASSEMBLY__ */ |
904 | ||
905 | #endif /* _ASM_IA64_SAL_H */ |