[IA64] Add se bit to Processor State Parameter structure
[powerpc.git] / include / asm-ia64 / pal.h
1 #ifndef _ASM_IA64_PAL_H
2 #define _ASM_IA64_PAL_H
3
4 /*
5  * Processor Abstraction Layer definitions.
6  *
7  * This is based on Intel IA-64 Architecture Software Developer's Manual rev 1.0
8  * chapter 11 IA-64 Processor Abstraction Layer
9  *
10  * Copyright (C) 1998-2001 Hewlett-Packard Co
11  *      David Mosberger-Tang <davidm@hpl.hp.com>
12  *      Stephane Eranian <eranian@hpl.hp.com>
13  * Copyright (C) 1999 VA Linux Systems
14  * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
15  * Copyright (C) 1999 Srinivasa Prasad Thirumalachar <sprasad@sprasad.engr.sgi.com>
16  *
17  * 99/10/01     davidm  Make sure we pass zero for reserved parameters.
18  * 00/03/07     davidm  Updated pal_cache_flush() to be in sync with PAL v2.6.
19  * 00/03/23     cfleck  Modified processor min-state save area to match updated PAL & SAL info
20  * 00/05/24     eranian Updated to latest PAL spec, fix structures bugs, added
21  * 00/05/25     eranian Support for stack calls, and static physical calls
22  * 00/06/18     eranian Support for stacked physical calls
23  */
24
25 /*
26  * Note that some of these calls use a static-register only calling
27  * convention which has nothing to do with the regular calling
28  * convention.
29  */
30 #define PAL_CACHE_FLUSH         1       /* flush i/d cache */
31 #define PAL_CACHE_INFO          2       /* get detailed i/d cache info */
32 #define PAL_CACHE_INIT          3       /* initialize i/d cache */
33 #define PAL_CACHE_SUMMARY       4       /* get summary of cache heirarchy */
34 #define PAL_MEM_ATTRIB          5       /* list supported memory attributes */
35 #define PAL_PTCE_INFO           6       /* purge TLB info */
36 #define PAL_VM_INFO             7       /* return supported virtual memory features */
37 #define PAL_VM_SUMMARY          8       /* return summary on supported vm features */
38 #define PAL_BUS_GET_FEATURES    9       /* return processor bus interface features settings */
39 #define PAL_BUS_SET_FEATURES    10      /* set processor bus features */
40 #define PAL_DEBUG_INFO          11      /* get number of debug registers */
41 #define PAL_FIXED_ADDR          12      /* get fixed component of processors's directed address */
42 #define PAL_FREQ_BASE           13      /* base frequency of the platform */
43 #define PAL_FREQ_RATIOS         14      /* ratio of processor, bus and ITC frequency */
44 #define PAL_PERF_MON_INFO       15      /* return performance monitor info */
45 #define PAL_PLATFORM_ADDR       16      /* set processor interrupt block and IO port space addr */
46 #define PAL_PROC_GET_FEATURES   17      /* get configurable processor features & settings */
47 #define PAL_PROC_SET_FEATURES   18      /* enable/disable configurable processor features */
48 #define PAL_RSE_INFO            19      /* return rse information */
49 #define PAL_VERSION             20      /* return version of PAL code */
50 #define PAL_MC_CLEAR_LOG        21      /* clear all processor log info */
51 #define PAL_MC_DRAIN            22      /* drain operations which could result in an MCA */
52 #define PAL_MC_EXPECTED         23      /* set/reset expected MCA indicator */
53 #define PAL_MC_DYNAMIC_STATE    24      /* get processor dynamic state */
54 #define PAL_MC_ERROR_INFO       25      /* get processor MCA info and static state */
55 #define PAL_MC_RESUME           26      /* Return to interrupted process */
56 #define PAL_MC_REGISTER_MEM     27      /* Register memory for PAL to use during MCAs and inits */
57 #define PAL_HALT                28      /* enter the low power HALT state */
58 #define PAL_HALT_LIGHT          29      /* enter the low power light halt state*/
59 #define PAL_COPY_INFO           30      /* returns info needed to relocate PAL */
60 #define PAL_CACHE_LINE_INIT     31      /* init tags & data of cache line */
61 #define PAL_PMI_ENTRYPOINT      32      /* register PMI memory entry points with the processor */
62 #define PAL_ENTER_IA_32_ENV     33      /* enter IA-32 system environment */
63 #define PAL_VM_PAGE_SIZE        34      /* return vm TC and page walker page sizes */
64
65 #define PAL_MEM_FOR_TEST        37      /* get amount of memory needed for late processor test */
66 #define PAL_CACHE_PROT_INFO     38      /* get i/d cache protection info */
67 #define PAL_REGISTER_INFO       39      /* return AR and CR register information*/
68 #define PAL_SHUTDOWN            40      /* enter processor shutdown state */
69 #define PAL_PREFETCH_VISIBILITY 41      /* Make Processor Prefetches Visible */
70 #define PAL_LOGICAL_TO_PHYSICAL 42      /* returns information on logical to physical processor mapping */
71 #define PAL_CACHE_SHARED_INFO   43      /* returns information on caches shared by logical processor */
72
73 #define PAL_COPY_PAL            256     /* relocate PAL procedures and PAL PMI */
74 #define PAL_HALT_INFO           257     /* return the low power capabilities of processor */
75 #define PAL_TEST_PROC           258     /* perform late processor self-test */
76 #define PAL_CACHE_READ          259     /* read tag & data of cacheline for diagnostic testing */
77 #define PAL_CACHE_WRITE         260     /* write tag & data of cacheline for diagnostic testing */
78 #define PAL_VM_TR_READ          261     /* read contents of translation register */
79 #define PAL_GET_PSTATE          262     /* get the current P-state */
80 #define PAL_SET_PSTATE          263     /* set the P-state */
81 #define PAL_BRAND_INFO          274     /* Processor branding information */
82
83 #ifndef __ASSEMBLY__
84
85 #include <linux/types.h>
86 #include <asm/fpu.h>
87
88 /*
89  * Data types needed to pass information into PAL procedures and
90  * interpret information returned by them.
91  */
92
93 /* Return status from the PAL procedure */
94 typedef s64                             pal_status_t;
95
96 #define PAL_STATUS_SUCCESS              0       /* No error */
97 #define PAL_STATUS_UNIMPLEMENTED        (-1)    /* Unimplemented procedure */
98 #define PAL_STATUS_EINVAL               (-2)    /* Invalid argument */
99 #define PAL_STATUS_ERROR                (-3)    /* Error */
100 #define PAL_STATUS_CACHE_INIT_FAIL      (-4)    /* Could not initialize the
101                                                  * specified level and type of
102                                                  * cache without sideeffects
103                                                  * and "restrict" was 1
104                                                  */
105
106 /* Processor cache level in the heirarchy */
107 typedef u64                             pal_cache_level_t;
108 #define PAL_CACHE_LEVEL_L0              0       /* L0 */
109 #define PAL_CACHE_LEVEL_L1              1       /* L1 */
110 #define PAL_CACHE_LEVEL_L2              2       /* L2 */
111
112
113 /* Processor cache type at a particular level in the heirarchy */
114
115 typedef u64                             pal_cache_type_t;
116 #define PAL_CACHE_TYPE_INSTRUCTION      1       /* Instruction cache */
117 #define PAL_CACHE_TYPE_DATA             2       /* Data or unified cache */
118 #define PAL_CACHE_TYPE_INSTRUCTION_DATA 3       /* Both Data & Instruction */
119
120
121 #define PAL_CACHE_FLUSH_INVALIDATE      1       /* Invalidate clean lines */
122 #define PAL_CACHE_FLUSH_CHK_INTRS       2       /* check for interrupts/mc while flushing */
123
124 /* Processor cache line size in bytes  */
125 typedef int                             pal_cache_line_size_t;
126
127 /* Processor cache line state */
128 typedef u64                             pal_cache_line_state_t;
129 #define PAL_CACHE_LINE_STATE_INVALID    0       /* Invalid */
130 #define PAL_CACHE_LINE_STATE_SHARED     1       /* Shared */
131 #define PAL_CACHE_LINE_STATE_EXCLUSIVE  2       /* Exclusive */
132 #define PAL_CACHE_LINE_STATE_MODIFIED   3       /* Modified */
133
134 typedef struct pal_freq_ratio {
135         u32 den, num;           /* numerator & denominator */
136 } itc_ratio, proc_ratio;
137
138 typedef union  pal_cache_config_info_1_s {
139         struct {
140                 u64             u               : 1,    /* 0 Unified cache ? */
141                                 at              : 2,    /* 2-1 Cache mem attr*/
142                                 reserved        : 5,    /* 7-3 Reserved */
143                                 associativity   : 8,    /* 16-8 Associativity*/
144                                 line_size       : 8,    /* 23-17 Line size */
145                                 stride          : 8,    /* 31-24 Stride */
146                                 store_latency   : 8,    /*39-32 Store latency*/
147                                 load_latency    : 8,    /* 47-40 Load latency*/
148                                 store_hints     : 8,    /* 55-48 Store hints*/
149                                 load_hints      : 8;    /* 63-56 Load hints */
150         } pcci1_bits;
151         u64                     pcci1_data;
152 } pal_cache_config_info_1_t;
153
154 typedef union  pal_cache_config_info_2_s {
155         struct {
156                 u32             cache_size;             /*cache size in bytes*/
157
158
159                 u32             alias_boundary  : 8,    /* 39-32 aliased addr
160                                                          * separation for max
161                                                          * performance.
162                                                          */
163                                 tag_ls_bit      : 8,    /* 47-40 LSb of addr*/
164                                 tag_ms_bit      : 8,    /* 55-48 MSb of addr*/
165                                 reserved        : 8;    /* 63-56 Reserved */
166         } pcci2_bits;
167         u64                     pcci2_data;
168 } pal_cache_config_info_2_t;
169
170
171 typedef struct pal_cache_config_info_s {
172         pal_status_t                    pcci_status;
173         pal_cache_config_info_1_t       pcci_info_1;
174         pal_cache_config_info_2_t       pcci_info_2;
175         u64                             pcci_reserved;
176 } pal_cache_config_info_t;
177
178 #define pcci_ld_hints           pcci_info_1.pcci1_bits.load_hints
179 #define pcci_st_hints           pcci_info_1.pcci1_bits.store_hints
180 #define pcci_ld_latency         pcci_info_1.pcci1_bits.load_latency
181 #define pcci_st_latency         pcci_info_1.pcci1_bits.store_latency
182 #define pcci_stride             pcci_info_1.pcci1_bits.stride
183 #define pcci_line_size          pcci_info_1.pcci1_bits.line_size
184 #define pcci_assoc              pcci_info_1.pcci1_bits.associativity
185 #define pcci_cache_attr         pcci_info_1.pcci1_bits.at
186 #define pcci_unified            pcci_info_1.pcci1_bits.u
187 #define pcci_tag_msb            pcci_info_2.pcci2_bits.tag_ms_bit
188 #define pcci_tag_lsb            pcci_info_2.pcci2_bits.tag_ls_bit
189 #define pcci_alias_boundary     pcci_info_2.pcci2_bits.alias_boundary
190 #define pcci_cache_size         pcci_info_2.pcci2_bits.cache_size
191
192
193
194 /* Possible values for cache attributes */
195
196 #define PAL_CACHE_ATTR_WT               0       /* Write through cache */
197 #define PAL_CACHE_ATTR_WB               1       /* Write back cache */
198 #define PAL_CACHE_ATTR_WT_OR_WB         2       /* Either write thru or write
199                                                  * back depending on TLB
200                                                  * memory attributes
201                                                  */
202
203
204 /* Possible values for cache hints */
205
206 #define PAL_CACHE_HINT_TEMP_1           0       /* Temporal level 1 */
207 #define PAL_CACHE_HINT_NTEMP_1          1       /* Non-temporal level 1 */
208 #define PAL_CACHE_HINT_NTEMP_ALL        3       /* Non-temporal all levels */
209
210 /* Processor cache protection  information */
211 typedef union pal_cache_protection_element_u {
212         u32                     pcpi_data;
213         struct {
214                 u32             data_bits       : 8, /* # data bits covered by
215                                                       * each unit of protection
216                                                       */
217
218                                 tagprot_lsb     : 6, /* Least -do- */
219                                 tagprot_msb     : 6, /* Most Sig. tag address
220                                                       * bit that this
221                                                       * protection covers.
222                                                       */
223                                 prot_bits       : 6, /* # of protection bits */
224                                 method          : 4, /* Protection method */
225                                 t_d             : 2; /* Indicates which part
226                                                       * of the cache this
227                                                       * protection encoding
228                                                       * applies.
229                                                       */
230         } pcp_info;
231 } pal_cache_protection_element_t;
232
233 #define pcpi_cache_prot_part    pcp_info.t_d
234 #define pcpi_prot_method        pcp_info.method
235 #define pcpi_prot_bits          pcp_info.prot_bits
236 #define pcpi_tagprot_msb        pcp_info.tagprot_msb
237 #define pcpi_tagprot_lsb        pcp_info.tagprot_lsb
238 #define pcpi_data_bits          pcp_info.data_bits
239
240 /* Processor cache part encodings */
241 #define PAL_CACHE_PROT_PART_DATA        0       /* Data protection  */
242 #define PAL_CACHE_PROT_PART_TAG         1       /* Tag  protection */
243 #define PAL_CACHE_PROT_PART_TAG_DATA    2       /* Tag+data protection (tag is
244                                                  * more significant )
245                                                  */
246 #define PAL_CACHE_PROT_PART_DATA_TAG    3       /* Data+tag protection (data is
247                                                  * more significant )
248                                                  */
249 #define PAL_CACHE_PROT_PART_MAX         6
250
251
252 typedef struct pal_cache_protection_info_s {
253         pal_status_t                    pcpi_status;
254         pal_cache_protection_element_t  pcp_info[PAL_CACHE_PROT_PART_MAX];
255 } pal_cache_protection_info_t;
256
257
258 /* Processor cache protection method encodings */
259 #define PAL_CACHE_PROT_METHOD_NONE              0       /* No protection */
260 #define PAL_CACHE_PROT_METHOD_ODD_PARITY        1       /* Odd parity */
261 #define PAL_CACHE_PROT_METHOD_EVEN_PARITY       2       /* Even parity */
262 #define PAL_CACHE_PROT_METHOD_ECC               3       /* ECC protection */
263
264
265 /* Processor cache line identification in the heirarchy */
266 typedef union pal_cache_line_id_u {
267         u64                     pclid_data;
268         struct {
269                 u64             cache_type      : 8,    /* 7-0 cache type */
270                                 level           : 8,    /* 15-8 level of the
271                                                          * cache in the
272                                                          * heirarchy.
273                                                          */
274                                 way             : 8,    /* 23-16 way in the set
275                                                          */
276                                 part            : 8,    /* 31-24 part of the
277                                                          * cache
278                                                          */
279                                 reserved        : 32;   /* 63-32 is reserved*/
280         } pclid_info_read;
281         struct {
282                 u64             cache_type      : 8,    /* 7-0 cache type */
283                                 level           : 8,    /* 15-8 level of the
284                                                          * cache in the
285                                                          * heirarchy.
286                                                          */
287                                 way             : 8,    /* 23-16 way in the set
288                                                          */
289                                 part            : 8,    /* 31-24 part of the
290                                                          * cache
291                                                          */
292                                 mesi            : 8,    /* 39-32 cache line
293                                                          * state
294                                                          */
295                                 start           : 8,    /* 47-40 lsb of data to
296                                                          * invert
297                                                          */
298                                 length          : 8,    /* 55-48 #bits to
299                                                          * invert
300                                                          */
301                                 trigger         : 8;    /* 63-56 Trigger error
302                                                          * by doing a load
303                                                          * after the write
304                                                          */
305
306         } pclid_info_write;
307 } pal_cache_line_id_u_t;
308
309 #define pclid_read_part         pclid_info_read.part
310 #define pclid_read_way          pclid_info_read.way
311 #define pclid_read_level        pclid_info_read.level
312 #define pclid_read_cache_type   pclid_info_read.cache_type
313
314 #define pclid_write_trigger     pclid_info_write.trigger
315 #define pclid_write_length      pclid_info_write.length
316 #define pclid_write_start       pclid_info_write.start
317 #define pclid_write_mesi        pclid_info_write.mesi
318 #define pclid_write_part        pclid_info_write.part
319 #define pclid_write_way         pclid_info_write.way
320 #define pclid_write_level       pclid_info_write.level
321 #define pclid_write_cache_type  pclid_info_write.cache_type
322
323 /* Processor cache line part encodings */
324 #define PAL_CACHE_LINE_ID_PART_DATA             0       /* Data */
325 #define PAL_CACHE_LINE_ID_PART_TAG              1       /* Tag */
326 #define PAL_CACHE_LINE_ID_PART_DATA_PROT        2       /* Data protection */
327 #define PAL_CACHE_LINE_ID_PART_TAG_PROT         3       /* Tag protection */
328 #define PAL_CACHE_LINE_ID_PART_DATA_TAG_PROT    4       /* Data+tag
329                                                          * protection
330                                                          */
331 typedef struct pal_cache_line_info_s {
332         pal_status_t            pcli_status;            /* Return status of the read cache line
333                                                          * info call.
334                                                          */
335         u64                     pcli_data;              /* 64-bit data, tag, protection bits .. */
336         u64                     pcli_data_len;          /* data length in bits */
337         pal_cache_line_state_t  pcli_cache_line_state;  /* mesi state */
338
339 } pal_cache_line_info_t;
340
341
342 /* Machine Check related crap */
343
344 /* Pending event status bits  */
345 typedef u64                                     pal_mc_pending_events_t;
346
347 #define PAL_MC_PENDING_MCA                      (1 << 0)
348 #define PAL_MC_PENDING_INIT                     (1 << 1)
349
350 /* Error information type */
351 typedef u64                                     pal_mc_info_index_t;
352
353 #define PAL_MC_INFO_PROCESSOR                   0       /* Processor */
354 #define PAL_MC_INFO_CACHE_CHECK                 1       /* Cache check */
355 #define PAL_MC_INFO_TLB_CHECK                   2       /* Tlb check */
356 #define PAL_MC_INFO_BUS_CHECK                   3       /* Bus check */
357 #define PAL_MC_INFO_REQ_ADDR                    4       /* Requestor address */
358 #define PAL_MC_INFO_RESP_ADDR                   5       /* Responder address */
359 #define PAL_MC_INFO_TARGET_ADDR                 6       /* Target address */
360 #define PAL_MC_INFO_IMPL_DEP                    7       /* Implementation
361                                                          * dependent
362                                                          */
363
364
365 typedef struct pal_process_state_info_s {
366         u64             reserved1       : 2,
367                         rz              : 1,    /* PAL_CHECK processor
368                                                  * rendezvous
369                                                  * successful.
370                                                  */
371
372                         ra              : 1,    /* PAL_CHECK attempted
373                                                  * a rendezvous.
374                                                  */
375                         me              : 1,    /* Distinct multiple
376                                                  * errors occurred
377                                                  */
378
379                         mn              : 1,    /* Min. state save
380                                                  * area has been
381                                                  * registered with PAL
382                                                  */
383
384                         sy              : 1,    /* Storage integrity
385                                                  * synched
386                                                  */
387
388
389                         co              : 1,    /* Continuable */
390                         ci              : 1,    /* MC isolated */
391                         us              : 1,    /* Uncontained storage
392                                                  * damage.
393                                                  */
394
395
396                         hd              : 1,    /* Non-essential hw
397                                                  * lost (no loss of
398                                                  * functionality)
399                                                  * causing the
400                                                  * processor to run in
401                                                  * degraded mode.
402                                                  */
403
404                         tl              : 1,    /* 1 => MC occurred
405                                                  * after an instr was
406                                                  * executed but before
407                                                  * the trap that
408                                                  * resulted from instr
409                                                  * execution was
410                                                  * generated.
411                                                  * (Trap Lost )
412                                                  */
413                         mi              : 1,    /* More information available
414                                                  * call PAL_MC_ERROR_INFO
415                                                  */
416                         pi              : 1,    /* Precise instruction pointer */
417                         pm              : 1,    /* Precise min-state save area */
418
419                         dy              : 1,    /* Processor dynamic
420                                                  * state valid
421                                                  */
422
423
424                         in              : 1,    /* 0 = MC, 1 = INIT */
425                         rs              : 1,    /* RSE valid */
426                         cm              : 1,    /* MC corrected */
427                         ex              : 1,    /* MC is expected */
428                         cr              : 1,    /* Control regs valid*/
429                         pc              : 1,    /* Perf cntrs valid */
430                         dr              : 1,    /* Debug regs valid */
431                         tr              : 1,    /* Translation regs
432                                                  * valid
433                                                  */
434                         rr              : 1,    /* Region regs valid */
435                         ar              : 1,    /* App regs valid */
436                         br              : 1,    /* Branch regs valid */
437                         pr              : 1,    /* Predicate registers
438                                                  * valid
439                                                  */
440
441                         fp              : 1,    /* fp registers valid*/
442                         b1              : 1,    /* Preserved bank one
443                                                  * general registers
444                                                  * are valid
445                                                  */
446                         b0              : 1,    /* Preserved bank zero
447                                                  * general registers
448                                                  * are valid
449                                                  */
450                         gr              : 1,    /* General registers
451                                                  * are valid
452                                                  * (excl. banked regs)
453                                                  */
454                         dsize           : 16,   /* size of dynamic
455                                                  * state returned
456                                                  * by the processor
457                                                  */
458
459                         se              : 1,    /* Shared error.  MCA in a
460                                                    shared structure */
461                         reserved2       : 10,
462                         cc              : 1,    /* Cache check */
463                         tc              : 1,    /* TLB check */
464                         bc              : 1,    /* Bus check */
465                         rc              : 1,    /* Register file check */
466                         uc              : 1;    /* Uarch check */
467
468 } pal_processor_state_info_t;
469
470 typedef struct pal_cache_check_info_s {
471         u64             op              : 4,    /* Type of cache
472                                                  * operation that
473                                                  * caused the machine
474                                                  * check.
475                                                  */
476                         level           : 2,    /* Cache level */
477                         reserved1       : 2,
478                         dl              : 1,    /* Failure in data part
479                                                  * of cache line
480                                                  */
481                         tl              : 1,    /* Failure in tag part
482                                                  * of cache line
483                                                  */
484                         dc              : 1,    /* Failure in dcache */
485                         ic              : 1,    /* Failure in icache */
486                         mesi            : 3,    /* Cache line state */
487                         mv              : 1,    /* mesi valid */
488                         way             : 5,    /* Way in which the
489                                                  * error occurred
490                                                  */
491                         wiv             : 1,    /* Way field valid */
492                         reserved2       : 1,
493                         dp              : 1,    /* Data poisoned on MBE */
494                         reserved3       : 8,
495
496                         index           : 20,   /* Cache line index */
497                         reserved4       : 2,
498
499                         is              : 1,    /* instruction set (1 == ia32) */
500                         iv              : 1,    /* instruction set field valid */
501                         pl              : 2,    /* privilege level */
502                         pv              : 1,    /* privilege level field valid */
503                         mcc             : 1,    /* Machine check corrected */
504                         tv              : 1,    /* Target address
505                                                  * structure is valid
506                                                  */
507                         rq              : 1,    /* Requester identifier
508                                                  * structure is valid
509                                                  */
510                         rp              : 1,    /* Responder identifier
511                                                  * structure is valid
512                                                  */
513                         pi              : 1;    /* Precise instruction pointer
514                                                  * structure is valid
515                                                  */
516 } pal_cache_check_info_t;
517
518 typedef struct pal_tlb_check_info_s {
519
520         u64             tr_slot         : 8,    /* Slot# of TR where
521                                                  * error occurred
522                                                  */
523                         trv             : 1,    /* tr_slot field is valid */
524                         reserved1       : 1,
525                         level           : 2,    /* TLB level where failure occurred */
526                         reserved2       : 4,
527                         dtr             : 1,    /* Fail in data TR */
528                         itr             : 1,    /* Fail in inst TR */
529                         dtc             : 1,    /* Fail in data TC */
530                         itc             : 1,    /* Fail in inst. TC */
531                         op              : 4,    /* Cache operation */
532                         reserved3       : 30,
533
534                         is              : 1,    /* instruction set (1 == ia32) */
535                         iv              : 1,    /* instruction set field valid */
536                         pl              : 2,    /* privilege level */
537                         pv              : 1,    /* privilege level field valid */
538                         mcc             : 1,    /* Machine check corrected */
539                         tv              : 1,    /* Target address
540                                                  * structure is valid
541                                                  */
542                         rq              : 1,    /* Requester identifier
543                                                  * structure is valid
544                                                  */
545                         rp              : 1,    /* Responder identifier
546                                                  * structure is valid
547                                                  */
548                         pi              : 1;    /* Precise instruction pointer
549                                                  * structure is valid
550                                                  */
551 } pal_tlb_check_info_t;
552
553 typedef struct pal_bus_check_info_s {
554         u64             size            : 5,    /* Xaction size */
555                         ib              : 1,    /* Internal bus error */
556                         eb              : 1,    /* External bus error */
557                         cc              : 1,    /* Error occurred
558                                                  * during cache-cache
559                                                  * transfer.
560                                                  */
561                         type            : 8,    /* Bus xaction type*/
562                         sev             : 5,    /* Bus error severity*/
563                         hier            : 2,    /* Bus hierarchy level */
564                         dp              : 1,    /* Data poisoned on MBE */
565                         bsi             : 8,    /* Bus error status
566                                                  * info
567                                                  */
568                         reserved2       : 22,
569
570                         is              : 1,    /* instruction set (1 == ia32) */
571                         iv              : 1,    /* instruction set field valid */
572                         pl              : 2,    /* privilege level */
573                         pv              : 1,    /* privilege level field valid */
574                         mcc             : 1,    /* Machine check corrected */
575                         tv              : 1,    /* Target address
576                                                  * structure is valid
577                                                  */
578                         rq              : 1,    /* Requester identifier
579                                                  * structure is valid
580                                                  */
581                         rp              : 1,    /* Responder identifier
582                                                  * structure is valid
583                                                  */
584                         pi              : 1;    /* Precise instruction pointer
585                                                  * structure is valid
586                                                  */
587 } pal_bus_check_info_t;
588
589 typedef struct pal_reg_file_check_info_s {
590         u64             id              : 4,    /* Register file identifier */
591                         op              : 4,    /* Type of register
592                                                  * operation that
593                                                  * caused the machine
594                                                  * check.
595                                                  */
596                         reg_num         : 7,    /* Register number */
597                         rnv             : 1,    /* reg_num valid */
598                         reserved2       : 38,
599
600                         is              : 1,    /* instruction set (1 == ia32) */
601                         iv              : 1,    /* instruction set field valid */
602                         pl              : 2,    /* privilege level */
603                         pv              : 1,    /* privilege level field valid */
604                         mcc             : 1,    /* Machine check corrected */
605                         reserved3       : 3,
606                         pi              : 1;    /* Precise instruction pointer
607                                                  * structure is valid
608                                                  */
609 } pal_reg_file_check_info_t;
610
611 typedef struct pal_uarch_check_info_s {
612         u64             sid             : 5,    /* Structure identification */
613                         level           : 3,    /* Level of failure */
614                         array_id        : 4,    /* Array identification */
615                         op              : 4,    /* Type of
616                                                  * operation that
617                                                  * caused the machine
618                                                  * check.
619                                                  */
620                         way             : 6,    /* Way of structure */
621                         wv              : 1,    /* way valid */
622                         xv              : 1,    /* index valid */
623                         reserved1       : 8,
624                         index           : 8,    /* Index or set of the uarch
625                                                  * structure that failed.
626                                                  */
627                         reserved2       : 24,
628
629                         is              : 1,    /* instruction set (1 == ia32) */
630                         iv              : 1,    /* instruction set field valid */
631                         pl              : 2,    /* privilege level */
632                         pv              : 1,    /* privilege level field valid */
633                         mcc             : 1,    /* Machine check corrected */
634                         tv              : 1,    /* Target address
635                                                  * structure is valid
636                                                  */
637                         rq              : 1,    /* Requester identifier
638                                                  * structure is valid
639                                                  */
640                         rp              : 1,    /* Responder identifier
641                                                  * structure is valid
642                                                  */
643                         pi              : 1;    /* Precise instruction pointer
644                                                  * structure is valid
645                                                  */
646 } pal_uarch_check_info_t;
647
648 typedef union pal_mc_error_info_u {
649         u64                             pmei_data;
650         pal_processor_state_info_t      pme_processor;
651         pal_cache_check_info_t          pme_cache;
652         pal_tlb_check_info_t            pme_tlb;
653         pal_bus_check_info_t            pme_bus;
654         pal_reg_file_check_info_t       pme_reg_file;
655         pal_uarch_check_info_t          pme_uarch;
656 } pal_mc_error_info_t;
657
658 #define pmci_proc_unknown_check                 pme_processor.uc
659 #define pmci_proc_bus_check                     pme_processor.bc
660 #define pmci_proc_tlb_check                     pme_processor.tc
661 #define pmci_proc_cache_check                   pme_processor.cc
662 #define pmci_proc_dynamic_state_size            pme_processor.dsize
663 #define pmci_proc_gpr_valid                     pme_processor.gr
664 #define pmci_proc_preserved_bank0_gpr_valid     pme_processor.b0
665 #define pmci_proc_preserved_bank1_gpr_valid     pme_processor.b1
666 #define pmci_proc_fp_valid                      pme_processor.fp
667 #define pmci_proc_predicate_regs_valid          pme_processor.pr
668 #define pmci_proc_branch_regs_valid             pme_processor.br
669 #define pmci_proc_app_regs_valid                pme_processor.ar
670 #define pmci_proc_region_regs_valid             pme_processor.rr
671 #define pmci_proc_translation_regs_valid        pme_processor.tr
672 #define pmci_proc_debug_regs_valid              pme_processor.dr
673 #define pmci_proc_perf_counters_valid           pme_processor.pc
674 #define pmci_proc_control_regs_valid            pme_processor.cr
675 #define pmci_proc_machine_check_expected        pme_processor.ex
676 #define pmci_proc_machine_check_corrected       pme_processor.cm
677 #define pmci_proc_rse_valid                     pme_processor.rs
678 #define pmci_proc_machine_check_or_init         pme_processor.in
679 #define pmci_proc_dynamic_state_valid           pme_processor.dy
680 #define pmci_proc_operation                     pme_processor.op
681 #define pmci_proc_trap_lost                     pme_processor.tl
682 #define pmci_proc_hardware_damage               pme_processor.hd
683 #define pmci_proc_uncontained_storage_damage    pme_processor.us
684 #define pmci_proc_machine_check_isolated        pme_processor.ci
685 #define pmci_proc_continuable                   pme_processor.co
686 #define pmci_proc_storage_intergrity_synced     pme_processor.sy
687 #define pmci_proc_min_state_save_area_regd      pme_processor.mn
688 #define pmci_proc_distinct_multiple_errors      pme_processor.me
689 #define pmci_proc_pal_attempted_rendezvous      pme_processor.ra
690 #define pmci_proc_pal_rendezvous_complete       pme_processor.rz
691
692
693 #define pmci_cache_level                        pme_cache.level
694 #define pmci_cache_line_state                   pme_cache.mesi
695 #define pmci_cache_line_state_valid             pme_cache.mv
696 #define pmci_cache_line_index                   pme_cache.index
697 #define pmci_cache_instr_cache_fail             pme_cache.ic
698 #define pmci_cache_data_cache_fail              pme_cache.dc
699 #define pmci_cache_line_tag_fail                pme_cache.tl
700 #define pmci_cache_line_data_fail               pme_cache.dl
701 #define pmci_cache_operation                    pme_cache.op
702 #define pmci_cache_way_valid                    pme_cache.wv
703 #define pmci_cache_target_address_valid         pme_cache.tv
704 #define pmci_cache_way                          pme_cache.way
705 #define pmci_cache_mc                           pme_cache.mc
706
707 #define pmci_tlb_instr_translation_cache_fail   pme_tlb.itc
708 #define pmci_tlb_data_translation_cache_fail    pme_tlb.dtc
709 #define pmci_tlb_instr_translation_reg_fail     pme_tlb.itr
710 #define pmci_tlb_data_translation_reg_fail      pme_tlb.dtr
711 #define pmci_tlb_translation_reg_slot           pme_tlb.tr_slot
712 #define pmci_tlb_mc                             pme_tlb.mc
713
714 #define pmci_bus_status_info                    pme_bus.bsi
715 #define pmci_bus_req_address_valid              pme_bus.rq
716 #define pmci_bus_resp_address_valid             pme_bus.rp
717 #define pmci_bus_target_address_valid           pme_bus.tv
718 #define pmci_bus_error_severity                 pme_bus.sev
719 #define pmci_bus_transaction_type               pme_bus.type
720 #define pmci_bus_cache_cache_transfer           pme_bus.cc
721 #define pmci_bus_transaction_size               pme_bus.size
722 #define pmci_bus_internal_error                 pme_bus.ib
723 #define pmci_bus_external_error                 pme_bus.eb
724 #define pmci_bus_mc                             pme_bus.mc
725
726 /*
727  * NOTE: this min_state_save area struct only includes the 1KB
728  * architectural state save area.  The other 3 KB is scratch space
729  * for PAL.
730  */
731
732 typedef struct pal_min_state_area_s {
733         u64     pmsa_nat_bits;          /* nat bits for saved GRs  */
734         u64     pmsa_gr[15];            /* GR1  - GR15             */
735         u64     pmsa_bank0_gr[16];      /* GR16 - GR31             */
736         u64     pmsa_bank1_gr[16];      /* GR16 - GR31             */
737         u64     pmsa_pr;                /* predicate registers     */
738         u64     pmsa_br0;               /* branch register 0       */
739         u64     pmsa_rsc;               /* ar.rsc                  */
740         u64     pmsa_iip;               /* cr.iip                  */
741         u64     pmsa_ipsr;              /* cr.ipsr                 */
742         u64     pmsa_ifs;               /* cr.ifs                  */
743         u64     pmsa_xip;               /* previous iip            */
744         u64     pmsa_xpsr;              /* previous psr            */
745         u64     pmsa_xfs;               /* previous ifs            */
746         u64     pmsa_br1;               /* branch register 1       */
747         u64     pmsa_reserved[70];      /* pal_min_state_area should total to 1KB */
748 } pal_min_state_area_t;
749
750
751 struct ia64_pal_retval {
752         /*
753          * A zero status value indicates call completed without error.
754          * A negative status value indicates reason of call failure.
755          * A positive status value indicates success but an
756          * informational value should be printed (e.g., "reboot for
757          * change to take effect").
758          */
759         s64 status;
760         u64 v0;
761         u64 v1;
762         u64 v2;
763 };
764
765 /*
766  * Note: Currently unused PAL arguments are generally labeled
767  * "reserved" so the value specified in the PAL documentation
768  * (generally 0) MUST be passed.  Reserved parameters are not optional
769  * parameters.
770  */
771 extern struct ia64_pal_retval ia64_pal_call_static (u64, u64, u64, u64);
772 extern struct ia64_pal_retval ia64_pal_call_stacked (u64, u64, u64, u64);
773 extern struct ia64_pal_retval ia64_pal_call_phys_static (u64, u64, u64, u64);
774 extern struct ia64_pal_retval ia64_pal_call_phys_stacked (u64, u64, u64, u64);
775 extern void ia64_save_scratch_fpregs (struct ia64_fpreg *);
776 extern void ia64_load_scratch_fpregs (struct ia64_fpreg *);
777
778 #define PAL_CALL(iprv,a0,a1,a2,a3) do {                 \
779         struct ia64_fpreg fr[6];                        \
780         ia64_save_scratch_fpregs(fr);                   \
781         iprv = ia64_pal_call_static(a0, a1, a2, a3);    \
782         ia64_load_scratch_fpregs(fr);                   \
783 } while (0)
784
785 #define PAL_CALL_STK(iprv,a0,a1,a2,a3) do {             \
786         struct ia64_fpreg fr[6];                        \
787         ia64_save_scratch_fpregs(fr);                   \
788         iprv = ia64_pal_call_stacked(a0, a1, a2, a3);   \
789         ia64_load_scratch_fpregs(fr);                   \
790 } while (0)
791
792 #define PAL_CALL_PHYS(iprv,a0,a1,a2,a3) do {                    \
793         struct ia64_fpreg fr[6];                                \
794         ia64_save_scratch_fpregs(fr);                           \
795         iprv = ia64_pal_call_phys_static(a0, a1, a2, a3);       \
796         ia64_load_scratch_fpregs(fr);                           \
797 } while (0)
798
799 #define PAL_CALL_PHYS_STK(iprv,a0,a1,a2,a3) do {                \
800         struct ia64_fpreg fr[6];                                \
801         ia64_save_scratch_fpregs(fr);                           \
802         iprv = ia64_pal_call_phys_stacked(a0, a1, a2, a3);      \
803         ia64_load_scratch_fpregs(fr);                           \
804 } while (0)
805
806 typedef int (*ia64_pal_handler) (u64, ...);
807 extern ia64_pal_handler ia64_pal;
808 extern void ia64_pal_handler_init (void *);
809
810 extern ia64_pal_handler ia64_pal;
811
812 extern pal_cache_config_info_t          l0d_cache_config_info;
813 extern pal_cache_config_info_t          l0i_cache_config_info;
814 extern pal_cache_config_info_t          l1_cache_config_info;
815 extern pal_cache_config_info_t          l2_cache_config_info;
816
817 extern pal_cache_protection_info_t      l0d_cache_protection_info;
818 extern pal_cache_protection_info_t      l0i_cache_protection_info;
819 extern pal_cache_protection_info_t      l1_cache_protection_info;
820 extern pal_cache_protection_info_t      l2_cache_protection_info;
821
822 extern pal_cache_config_info_t          pal_cache_config_info_get(pal_cache_level_t,
823                                                                   pal_cache_type_t);
824
825 extern pal_cache_protection_info_t      pal_cache_protection_info_get(pal_cache_level_t,
826                                                                       pal_cache_type_t);
827
828
829 extern void                             pal_error(int);
830
831
832 /* Useful wrappers for the current list of pal procedures */
833
834 typedef union pal_bus_features_u {
835         u64     pal_bus_features_val;
836         struct {
837                 u64     pbf_reserved1                           :       29;
838                 u64     pbf_req_bus_parking                     :       1;
839                 u64     pbf_bus_lock_mask                       :       1;
840                 u64     pbf_enable_half_xfer_rate               :       1;
841                 u64     pbf_reserved2                           :       22;
842                 u64     pbf_disable_xaction_queueing            :       1;
843                 u64     pbf_disable_resp_err_check              :       1;
844                 u64     pbf_disable_berr_check                  :       1;
845                 u64     pbf_disable_bus_req_internal_err_signal :       1;
846                 u64     pbf_disable_bus_req_berr_signal         :       1;
847                 u64     pbf_disable_bus_init_event_check        :       1;
848                 u64     pbf_disable_bus_init_event_signal       :       1;
849                 u64     pbf_disable_bus_addr_err_check          :       1;
850                 u64     pbf_disable_bus_addr_err_signal         :       1;
851                 u64     pbf_disable_bus_data_err_check          :       1;
852         } pal_bus_features_s;
853 } pal_bus_features_u_t;
854
855 extern void pal_bus_features_print (u64);
856
857 /* Provide information about configurable processor bus features */
858 static inline s64
859 ia64_pal_bus_get_features (pal_bus_features_u_t *features_avail,
860                            pal_bus_features_u_t *features_status,
861                            pal_bus_features_u_t *features_control)
862 {
863         struct ia64_pal_retval iprv;
864         PAL_CALL_PHYS(iprv, PAL_BUS_GET_FEATURES, 0, 0, 0);
865         if (features_avail)
866                 features_avail->pal_bus_features_val = iprv.v0;
867         if (features_status)
868                 features_status->pal_bus_features_val = iprv.v1;
869         if (features_control)
870                 features_control->pal_bus_features_val = iprv.v2;
871         return iprv.status;
872 }
873
874 /* Enables/disables specific processor bus features */
875 static inline s64
876 ia64_pal_bus_set_features (pal_bus_features_u_t feature_select)
877 {
878         struct ia64_pal_retval iprv;
879         PAL_CALL_PHYS(iprv, PAL_BUS_SET_FEATURES, feature_select.pal_bus_features_val, 0, 0);
880         return iprv.status;
881 }
882
883 /* Get detailed cache information */
884 static inline s64
885 ia64_pal_cache_config_info (u64 cache_level, u64 cache_type, pal_cache_config_info_t *conf)
886 {
887         struct ia64_pal_retval iprv;
888
889         PAL_CALL(iprv, PAL_CACHE_INFO, cache_level, cache_type, 0);
890
891         if (iprv.status == 0) {
892                 conf->pcci_status                 = iprv.status;
893                 conf->pcci_info_1.pcci1_data      = iprv.v0;
894                 conf->pcci_info_2.pcci2_data      = iprv.v1;
895                 conf->pcci_reserved               = iprv.v2;
896         }
897         return iprv.status;
898
899 }
900
901 /* Get detailed cche protection information */
902 static inline s64
903 ia64_pal_cache_prot_info (u64 cache_level, u64 cache_type, pal_cache_protection_info_t *prot)
904 {
905         struct ia64_pal_retval iprv;
906
907         PAL_CALL(iprv, PAL_CACHE_PROT_INFO, cache_level, cache_type, 0);
908
909         if (iprv.status == 0) {
910                 prot->pcpi_status           = iprv.status;
911                 prot->pcp_info[0].pcpi_data = iprv.v0 & 0xffffffff;
912                 prot->pcp_info[1].pcpi_data = iprv.v0 >> 32;
913                 prot->pcp_info[2].pcpi_data = iprv.v1 & 0xffffffff;
914                 prot->pcp_info[3].pcpi_data = iprv.v1 >> 32;
915                 prot->pcp_info[4].pcpi_data = iprv.v2 & 0xffffffff;
916                 prot->pcp_info[5].pcpi_data = iprv.v2 >> 32;
917         }
918         return iprv.status;
919 }
920
921 /*
922  * Flush the processor instruction or data caches.  *PROGRESS must be
923  * initialized to zero before calling this for the first time..
924  */
925 static inline s64
926 ia64_pal_cache_flush (u64 cache_type, u64 invalidate, u64 *progress, u64 *vector)
927 {
928         struct ia64_pal_retval iprv;
929         PAL_CALL(iprv, PAL_CACHE_FLUSH, cache_type, invalidate, *progress);
930         if (vector)
931                 *vector = iprv.v0;
932         *progress = iprv.v1;
933         return iprv.status;
934 }
935
936
937 /* Initialize the processor controlled caches */
938 static inline s64
939 ia64_pal_cache_init (u64 level, u64 cache_type, u64 rest)
940 {
941         struct ia64_pal_retval iprv;
942         PAL_CALL(iprv, PAL_CACHE_INIT, level, cache_type, rest);
943         return iprv.status;
944 }
945
946 /* Initialize the tags and data of a data or unified cache line of
947  * processor controlled cache to known values without the availability
948  * of backing memory.
949  */
950 static inline s64
951 ia64_pal_cache_line_init (u64 physical_addr, u64 data_value)
952 {
953         struct ia64_pal_retval iprv;
954         PAL_CALL(iprv, PAL_CACHE_LINE_INIT, physical_addr, data_value, 0);
955         return iprv.status;
956 }
957
958
959 /* Read the data and tag of a processor controlled cache line for diags */
960 static inline s64
961 ia64_pal_cache_read (pal_cache_line_id_u_t line_id, u64 physical_addr)
962 {
963         struct ia64_pal_retval iprv;
964         PAL_CALL_PHYS_STK(iprv, PAL_CACHE_READ, line_id.pclid_data,
965                                 physical_addr, 0);
966         return iprv.status;
967 }
968
969 /* Return summary information about the heirarchy of caches controlled by the processor */
970 static inline s64
971 ia64_pal_cache_summary (u64 *cache_levels, u64 *unique_caches)
972 {
973         struct ia64_pal_retval iprv;
974         PAL_CALL(iprv, PAL_CACHE_SUMMARY, 0, 0, 0);
975         if (cache_levels)
976                 *cache_levels = iprv.v0;
977         if (unique_caches)
978                 *unique_caches = iprv.v1;
979         return iprv.status;
980 }
981
982 /* Write the data and tag of a processor-controlled cache line for diags */
983 static inline s64
984 ia64_pal_cache_write (pal_cache_line_id_u_t line_id, u64 physical_addr, u64 data)
985 {
986         struct ia64_pal_retval iprv;
987         PAL_CALL_PHYS_STK(iprv, PAL_CACHE_WRITE, line_id.pclid_data,
988                                 physical_addr, data);
989         return iprv.status;
990 }
991
992
993 /* Return the parameters needed to copy relocatable PAL procedures from ROM to memory */
994 static inline s64
995 ia64_pal_copy_info (u64 copy_type, u64 num_procs, u64 num_iopics,
996                     u64 *buffer_size, u64 *buffer_align)
997 {
998         struct ia64_pal_retval iprv;
999         PAL_CALL(iprv, PAL_COPY_INFO, copy_type, num_procs, num_iopics);
1000         if (buffer_size)
1001                 *buffer_size = iprv.v0;
1002         if (buffer_align)
1003                 *buffer_align = iprv.v1;
1004         return iprv.status;
1005 }
1006
1007 /* Copy relocatable PAL procedures from ROM to memory */
1008 static inline s64
1009 ia64_pal_copy_pal (u64 target_addr, u64 alloc_size, u64 processor, u64 *pal_proc_offset)
1010 {
1011         struct ia64_pal_retval iprv;
1012         PAL_CALL(iprv, PAL_COPY_PAL, target_addr, alloc_size, processor);
1013         if (pal_proc_offset)
1014                 *pal_proc_offset = iprv.v0;
1015         return iprv.status;
1016 }
1017
1018 /* Return the number of instruction and data debug register pairs */
1019 static inline s64
1020 ia64_pal_debug_info (u64 *inst_regs,  u64 *data_regs)
1021 {
1022         struct ia64_pal_retval iprv;
1023         PAL_CALL(iprv, PAL_DEBUG_INFO, 0, 0, 0);
1024         if (inst_regs)
1025                 *inst_regs = iprv.v0;
1026         if (data_regs)
1027                 *data_regs = iprv.v1;
1028
1029         return iprv.status;
1030 }
1031
1032 #ifdef TBD
1033 /* Switch from IA64-system environment to IA-32 system environment */
1034 static inline s64
1035 ia64_pal_enter_ia32_env (ia32_env1, ia32_env2, ia32_env3)
1036 {
1037         struct ia64_pal_retval iprv;
1038         PAL_CALL(iprv, PAL_ENTER_IA_32_ENV, ia32_env1, ia32_env2, ia32_env3);
1039         return iprv.status;
1040 }
1041 #endif
1042
1043 /* Get unique geographical address of this processor on its bus */
1044 static inline s64
1045 ia64_pal_fixed_addr (u64 *global_unique_addr)
1046 {
1047         struct ia64_pal_retval iprv;
1048         PAL_CALL(iprv, PAL_FIXED_ADDR, 0, 0, 0);
1049         if (global_unique_addr)
1050                 *global_unique_addr = iprv.v0;
1051         return iprv.status;
1052 }
1053
1054 /* Get base frequency of the platform if generated by the processor */
1055 static inline s64
1056 ia64_pal_freq_base (u64 *platform_base_freq)
1057 {
1058         struct ia64_pal_retval iprv;
1059         PAL_CALL(iprv, PAL_FREQ_BASE, 0, 0, 0);
1060         if (platform_base_freq)
1061                 *platform_base_freq = iprv.v0;
1062         return iprv.status;
1063 }
1064
1065 /*
1066  * Get the ratios for processor frequency, bus frequency and interval timer to
1067  * to base frequency of the platform
1068  */
1069 static inline s64
1070 ia64_pal_freq_ratios (struct pal_freq_ratio *proc_ratio, struct pal_freq_ratio *bus_ratio,
1071                       struct pal_freq_ratio *itc_ratio)
1072 {
1073         struct ia64_pal_retval iprv;
1074         PAL_CALL(iprv, PAL_FREQ_RATIOS, 0, 0, 0);
1075         if (proc_ratio)
1076                 *(u64 *)proc_ratio = iprv.v0;
1077         if (bus_ratio)
1078                 *(u64 *)bus_ratio = iprv.v1;
1079         if (itc_ratio)
1080                 *(u64 *)itc_ratio = iprv.v2;
1081         return iprv.status;
1082 }
1083
1084 /* Make the processor enter HALT or one of the implementation dependent low
1085  * power states where prefetching and execution are suspended and cache and
1086  * TLB coherency is not maintained.
1087  */
1088 static inline s64
1089 ia64_pal_halt (u64 halt_state)
1090 {
1091         struct ia64_pal_retval iprv;
1092         PAL_CALL(iprv, PAL_HALT, halt_state, 0, 0);
1093         return iprv.status;
1094 }
1095
1096 typedef union pal_power_mgmt_info_u {
1097         u64                     ppmi_data;
1098         struct {
1099                u64              exit_latency            : 16,
1100                                 entry_latency           : 16,
1101                                 power_consumption       : 28,
1102                                 im                      : 1,
1103                                 co                      : 1,
1104                                 reserved                : 2;
1105         } pal_power_mgmt_info_s;
1106 } pal_power_mgmt_info_u_t;
1107
1108 /* Return information about processor's optional power management capabilities. */
1109 static inline s64
1110 ia64_pal_halt_info (pal_power_mgmt_info_u_t *power_buf)
1111 {
1112         struct ia64_pal_retval iprv;
1113         PAL_CALL_STK(iprv, PAL_HALT_INFO, (unsigned long) power_buf, 0, 0);
1114         return iprv.status;
1115 }
1116
1117 /* Get the current P-state information */
1118 static inline s64
1119 ia64_pal_get_pstate (u64 *pstate_index)
1120 {
1121         struct ia64_pal_retval iprv;
1122         PAL_CALL_STK(iprv, PAL_GET_PSTATE, 0, 0, 0);
1123         *pstate_index = iprv.v0;
1124         return iprv.status;
1125 }
1126
1127 /* Set the P-state */
1128 static inline s64
1129 ia64_pal_set_pstate (u64 pstate_index)
1130 {
1131         struct ia64_pal_retval iprv;
1132         PAL_CALL_STK(iprv, PAL_SET_PSTATE, pstate_index, 0, 0);
1133         return iprv.status;
1134 }
1135
1136 /* Processor branding information*/
1137 static inline s64
1138 ia64_pal_get_brand_info (char *brand_info)
1139 {
1140         struct ia64_pal_retval iprv;
1141         PAL_CALL_STK(iprv, PAL_BRAND_INFO, 0, (u64)brand_info, 0);
1142         return iprv.status;
1143 }
1144
1145 /* Cause the processor to enter LIGHT HALT state, where prefetching and execution are
1146  * suspended, but cache and TLB coherency is maintained.
1147  */
1148 static inline s64
1149 ia64_pal_halt_light (void)
1150 {
1151         struct ia64_pal_retval iprv;
1152         PAL_CALL(iprv, PAL_HALT_LIGHT, 0, 0, 0);
1153         return iprv.status;
1154 }
1155
1156 /* Clear all the processor error logging   registers and reset the indicator that allows
1157  * the error logging registers to be written. This procedure also checks the pending
1158  * machine check bit and pending INIT bit and reports their states.
1159  */
1160 static inline s64
1161 ia64_pal_mc_clear_log (u64 *pending_vector)
1162 {
1163         struct ia64_pal_retval iprv;
1164         PAL_CALL(iprv, PAL_MC_CLEAR_LOG, 0, 0, 0);
1165         if (pending_vector)
1166                 *pending_vector = iprv.v0;
1167         return iprv.status;
1168 }
1169
1170 /* Ensure that all outstanding transactions in a processor are completed or that any
1171  * MCA due to thes outstanding transaction is taken.
1172  */
1173 static inline s64
1174 ia64_pal_mc_drain (void)
1175 {
1176         struct ia64_pal_retval iprv;
1177         PAL_CALL(iprv, PAL_MC_DRAIN, 0, 0, 0);
1178         return iprv.status;
1179 }
1180
1181 /* Return the machine check dynamic processor state */
1182 static inline s64
1183 ia64_pal_mc_dynamic_state (u64 offset, u64 *size, u64 *pds)
1184 {
1185         struct ia64_pal_retval iprv;
1186         PAL_CALL(iprv, PAL_MC_DYNAMIC_STATE, offset, 0, 0);
1187         if (size)
1188                 *size = iprv.v0;
1189         if (pds)
1190                 *pds = iprv.v1;
1191         return iprv.status;
1192 }
1193
1194 /* Return processor machine check information */
1195 static inline s64
1196 ia64_pal_mc_error_info (u64 info_index, u64 type_index, u64 *size, u64 *error_info)
1197 {
1198         struct ia64_pal_retval iprv;
1199         PAL_CALL(iprv, PAL_MC_ERROR_INFO, info_index, type_index, 0);
1200         if (size)
1201                 *size = iprv.v0;
1202         if (error_info)
1203                 *error_info = iprv.v1;
1204         return iprv.status;
1205 }
1206
1207 /* Inform PALE_CHECK whether a machine check is expected so that PALE_CHECK willnot
1208  * attempt to correct any expected machine checks.
1209  */
1210 static inline s64
1211 ia64_pal_mc_expected (u64 expected, u64 *previous)
1212 {
1213         struct ia64_pal_retval iprv;
1214         PAL_CALL(iprv, PAL_MC_EXPECTED, expected, 0, 0);
1215         if (previous)
1216                 *previous = iprv.v0;
1217         return iprv.status;
1218 }
1219
1220 /* Register a platform dependent location with PAL to which it can save
1221  * minimal processor state in the event of a machine check or initialization
1222  * event.
1223  */
1224 static inline s64
1225 ia64_pal_mc_register_mem (u64 physical_addr)
1226 {
1227         struct ia64_pal_retval iprv;
1228         PAL_CALL(iprv, PAL_MC_REGISTER_MEM, physical_addr, 0, 0);
1229         return iprv.status;
1230 }
1231
1232 /* Restore minimal architectural processor state, set CMC interrupt if necessary
1233  * and resume execution
1234  */
1235 static inline s64
1236 ia64_pal_mc_resume (u64 set_cmci, u64 save_ptr)
1237 {
1238         struct ia64_pal_retval iprv;
1239         PAL_CALL(iprv, PAL_MC_RESUME, set_cmci, save_ptr, 0);
1240         return iprv.status;
1241 }
1242
1243 /* Return the memory attributes implemented by the processor */
1244 static inline s64
1245 ia64_pal_mem_attrib (u64 *mem_attrib)
1246 {
1247         struct ia64_pal_retval iprv;
1248         PAL_CALL(iprv, PAL_MEM_ATTRIB, 0, 0, 0);
1249         if (mem_attrib)
1250                 *mem_attrib = iprv.v0 & 0xff;
1251         return iprv.status;
1252 }
1253
1254 /* Return the amount of memory needed for second phase of processor
1255  * self-test and the required alignment of memory.
1256  */
1257 static inline s64
1258 ia64_pal_mem_for_test (u64 *bytes_needed, u64 *alignment)
1259 {
1260         struct ia64_pal_retval iprv;
1261         PAL_CALL(iprv, PAL_MEM_FOR_TEST, 0, 0, 0);
1262         if (bytes_needed)
1263                 *bytes_needed = iprv.v0;
1264         if (alignment)
1265                 *alignment = iprv.v1;
1266         return iprv.status;
1267 }
1268
1269 typedef union pal_perf_mon_info_u {
1270         u64                       ppmi_data;
1271         struct {
1272                u64              generic         : 8,
1273                                 width           : 8,
1274                                 cycles          : 8,
1275                                 retired         : 8,
1276                                 reserved        : 32;
1277         } pal_perf_mon_info_s;
1278 } pal_perf_mon_info_u_t;
1279
1280 /* Return the performance monitor information about what can be counted
1281  * and how to configure the monitors to count the desired events.
1282  */
1283 static inline s64
1284 ia64_pal_perf_mon_info (u64 *pm_buffer, pal_perf_mon_info_u_t *pm_info)
1285 {
1286         struct ia64_pal_retval iprv;
1287         PAL_CALL(iprv, PAL_PERF_MON_INFO, (unsigned long) pm_buffer, 0, 0);
1288         if (pm_info)
1289                 pm_info->ppmi_data = iprv.v0;
1290         return iprv.status;
1291 }
1292
1293 /* Specifies the physical address of the processor interrupt block
1294  * and I/O port space.
1295  */
1296 static inline s64
1297 ia64_pal_platform_addr (u64 type, u64 physical_addr)
1298 {
1299         struct ia64_pal_retval iprv;
1300         PAL_CALL(iprv, PAL_PLATFORM_ADDR, type, physical_addr, 0);
1301         return iprv.status;
1302 }
1303
1304 /* Set the SAL PMI entrypoint in memory */
1305 static inline s64
1306 ia64_pal_pmi_entrypoint (u64 sal_pmi_entry_addr)
1307 {
1308         struct ia64_pal_retval iprv;
1309         PAL_CALL(iprv, PAL_PMI_ENTRYPOINT, sal_pmi_entry_addr, 0, 0);
1310         return iprv.status;
1311 }
1312
1313 struct pal_features_s;
1314 /* Provide information about configurable processor features */
1315 static inline s64
1316 ia64_pal_proc_get_features (u64 *features_avail,
1317                             u64 *features_status,
1318                             u64 *features_control)
1319 {
1320         struct ia64_pal_retval iprv;
1321         PAL_CALL_PHYS(iprv, PAL_PROC_GET_FEATURES, 0, 0, 0);
1322         if (iprv.status == 0) {
1323                 *features_avail   = iprv.v0;
1324                 *features_status  = iprv.v1;
1325                 *features_control = iprv.v2;
1326         }
1327         return iprv.status;
1328 }
1329
1330 /* Enable/disable processor dependent features */
1331 static inline s64
1332 ia64_pal_proc_set_features (u64 feature_select)
1333 {
1334         struct ia64_pal_retval iprv;
1335         PAL_CALL_PHYS(iprv, PAL_PROC_SET_FEATURES, feature_select, 0, 0);
1336         return iprv.status;
1337 }
1338
1339 /*
1340  * Put everything in a struct so we avoid the global offset table whenever
1341  * possible.
1342  */
1343 typedef struct ia64_ptce_info_s {
1344         u64             base;
1345         u32             count[2];
1346         u32             stride[2];
1347 } ia64_ptce_info_t;
1348
1349 /* Return the information required for the architected loop used to purge
1350  * (initialize) the entire TC
1351  */
1352 static inline s64
1353 ia64_get_ptce (ia64_ptce_info_t *ptce)
1354 {
1355         struct ia64_pal_retval iprv;
1356
1357         if (!ptce)
1358                 return -1;
1359
1360         PAL_CALL(iprv, PAL_PTCE_INFO, 0, 0, 0);
1361         if (iprv.status == 0) {
1362                 ptce->base = iprv.v0;
1363                 ptce->count[0] = iprv.v1 >> 32;
1364                 ptce->count[1] = iprv.v1 & 0xffffffff;
1365                 ptce->stride[0] = iprv.v2 >> 32;
1366                 ptce->stride[1] = iprv.v2 & 0xffffffff;
1367         }
1368         return iprv.status;
1369 }
1370
1371 /* Return info about implemented application and control registers. */
1372 static inline s64
1373 ia64_pal_register_info (u64 info_request, u64 *reg_info_1, u64 *reg_info_2)
1374 {
1375         struct ia64_pal_retval iprv;
1376         PAL_CALL(iprv, PAL_REGISTER_INFO, info_request, 0, 0);
1377         if (reg_info_1)
1378                 *reg_info_1 = iprv.v0;
1379         if (reg_info_2)
1380                 *reg_info_2 = iprv.v1;
1381         return iprv.status;
1382 }
1383
1384 typedef union pal_hints_u {
1385         u64                     ph_data;
1386         struct {
1387                u64              si              : 1,
1388                                 li              : 1,
1389                                 reserved        : 62;
1390         } pal_hints_s;
1391 } pal_hints_u_t;
1392
1393 /* Return information about the register stack and RSE for this processor
1394  * implementation.
1395  */
1396 static inline s64
1397 ia64_pal_rse_info (u64 *num_phys_stacked, pal_hints_u_t *hints)
1398 {
1399         struct ia64_pal_retval iprv;
1400         PAL_CALL(iprv, PAL_RSE_INFO, 0, 0, 0);
1401         if (num_phys_stacked)
1402                 *num_phys_stacked = iprv.v0;
1403         if (hints)
1404                 hints->ph_data = iprv.v1;
1405         return iprv.status;
1406 }
1407
1408 /* Cause the processor to enter SHUTDOWN state, where prefetching and execution are
1409  * suspended, but cause cache and TLB coherency to be maintained.
1410  * This is usually called in IA-32 mode.
1411  */
1412 static inline s64
1413 ia64_pal_shutdown (void)
1414 {
1415         struct ia64_pal_retval iprv;
1416         PAL_CALL(iprv, PAL_SHUTDOWN, 0, 0, 0);
1417         return iprv.status;
1418 }
1419
1420 /* Perform the second phase of processor self-test. */
1421 static inline s64
1422 ia64_pal_test_proc (u64 test_addr, u64 test_size, u64 attributes, u64 *self_test_state)
1423 {
1424         struct ia64_pal_retval iprv;
1425         PAL_CALL(iprv, PAL_TEST_PROC, test_addr, test_size, attributes);
1426         if (self_test_state)
1427                 *self_test_state = iprv.v0;
1428         return iprv.status;
1429 }
1430
1431 typedef union  pal_version_u {
1432         u64     pal_version_val;
1433         struct {
1434                 u64     pv_pal_b_rev            :       8;
1435                 u64     pv_pal_b_model          :       8;
1436                 u64     pv_reserved1            :       8;
1437                 u64     pv_pal_vendor           :       8;
1438                 u64     pv_pal_a_rev            :       8;
1439                 u64     pv_pal_a_model          :       8;
1440                 u64     pv_reserved2            :       16;
1441         } pal_version_s;
1442 } pal_version_u_t;
1443
1444
1445 /*
1446  * Return PAL version information.  While the documentation states that
1447  * PAL_VERSION can be called in either physical or virtual mode, some
1448  * implementations only allow physical calls.  We don't call it very often,
1449  * so the overhead isn't worth eliminating.
1450  */
1451 static inline s64
1452 ia64_pal_version (pal_version_u_t *pal_min_version, pal_version_u_t *pal_cur_version)
1453 {
1454         struct ia64_pal_retval iprv;
1455         PAL_CALL_PHYS(iprv, PAL_VERSION, 0, 0, 0);
1456         if (pal_min_version)
1457                 pal_min_version->pal_version_val = iprv.v0;
1458
1459         if (pal_cur_version)
1460                 pal_cur_version->pal_version_val = iprv.v1;
1461
1462         return iprv.status;
1463 }
1464
1465 typedef union pal_tc_info_u {
1466         u64                     pti_val;
1467         struct {
1468                u64              num_sets        :       8,
1469                                 associativity   :       8,
1470                                 num_entries     :       16,
1471                                 pf              :       1,
1472                                 unified         :       1,
1473                                 reduce_tr       :       1,
1474                                 reserved        :       29;
1475         } pal_tc_info_s;
1476 } pal_tc_info_u_t;
1477
1478 #define tc_reduce_tr            pal_tc_info_s.reduce_tr
1479 #define tc_unified              pal_tc_info_s.unified
1480 #define tc_pf                   pal_tc_info_s.pf
1481 #define tc_num_entries          pal_tc_info_s.num_entries
1482 #define tc_associativity        pal_tc_info_s.associativity
1483 #define tc_num_sets             pal_tc_info_s.num_sets
1484
1485
1486 /* Return information about the virtual memory characteristics of the processor
1487  * implementation.
1488  */
1489 static inline s64
1490 ia64_pal_vm_info (u64 tc_level, u64 tc_type,  pal_tc_info_u_t *tc_info, u64 *tc_pages)
1491 {
1492         struct ia64_pal_retval iprv;
1493         PAL_CALL(iprv, PAL_VM_INFO, tc_level, tc_type, 0);
1494         if (tc_info)
1495                 tc_info->pti_val = iprv.v0;
1496         if (tc_pages)
1497                 *tc_pages = iprv.v1;
1498         return iprv.status;
1499 }
1500
1501 /* Get page size information about the virtual memory characteristics of the processor
1502  * implementation.
1503  */
1504 static inline s64
1505 ia64_pal_vm_page_size (u64 *tr_pages, u64 *vw_pages)
1506 {
1507         struct ia64_pal_retval iprv;
1508         PAL_CALL(iprv, PAL_VM_PAGE_SIZE, 0, 0, 0);
1509         if (tr_pages)
1510                 *tr_pages = iprv.v0;
1511         if (vw_pages)
1512                 *vw_pages = iprv.v1;
1513         return iprv.status;
1514 }
1515
1516 typedef union pal_vm_info_1_u {
1517         u64                     pvi1_val;
1518         struct {
1519                 u64             vw              : 1,
1520                                 phys_add_size   : 7,
1521                                 key_size        : 8,
1522                                 max_pkr         : 8,
1523                                 hash_tag_id     : 8,
1524                                 max_dtr_entry   : 8,
1525                                 max_itr_entry   : 8,
1526                                 max_unique_tcs  : 8,
1527                                 num_tc_levels   : 8;
1528         } pal_vm_info_1_s;
1529 } pal_vm_info_1_u_t;
1530
1531 typedef union pal_vm_info_2_u {
1532         u64                     pvi2_val;
1533         struct {
1534                 u64             impl_va_msb     : 8,
1535                                 rid_size        : 8,
1536                                 reserved        : 48;
1537         } pal_vm_info_2_s;
1538 } pal_vm_info_2_u_t;
1539
1540 /* Get summary information about the virtual memory characteristics of the processor
1541  * implementation.
1542  */
1543 static inline s64
1544 ia64_pal_vm_summary (pal_vm_info_1_u_t *vm_info_1, pal_vm_info_2_u_t *vm_info_2)
1545 {
1546         struct ia64_pal_retval iprv;
1547         PAL_CALL(iprv, PAL_VM_SUMMARY, 0, 0, 0);
1548         if (vm_info_1)
1549                 vm_info_1->pvi1_val = iprv.v0;
1550         if (vm_info_2)
1551                 vm_info_2->pvi2_val = iprv.v1;
1552         return iprv.status;
1553 }
1554
1555 typedef union pal_itr_valid_u {
1556         u64                     piv_val;
1557         struct {
1558                u64              access_rights_valid     : 1,
1559                                 priv_level_valid        : 1,
1560                                 dirty_bit_valid         : 1,
1561                                 mem_attr_valid          : 1,
1562                                 reserved                : 60;
1563         } pal_tr_valid_s;
1564 } pal_tr_valid_u_t;
1565
1566 /* Read a translation register */
1567 static inline s64
1568 ia64_pal_tr_read (u64 reg_num, u64 tr_type, u64 *tr_buffer, pal_tr_valid_u_t *tr_valid)
1569 {
1570         struct ia64_pal_retval iprv;
1571         PAL_CALL_PHYS_STK(iprv, PAL_VM_TR_READ, reg_num, tr_type,(u64)ia64_tpa(tr_buffer));
1572         if (tr_valid)
1573                 tr_valid->piv_val = iprv.v0;
1574         return iprv.status;
1575 }
1576
1577 /*
1578  * PAL_PREFETCH_VISIBILITY transaction types
1579  */
1580 #define PAL_VISIBILITY_VIRTUAL          0
1581 #define PAL_VISIBILITY_PHYSICAL         1
1582
1583 /*
1584  * PAL_PREFETCH_VISIBILITY return codes
1585  */
1586 #define PAL_VISIBILITY_OK               1
1587 #define PAL_VISIBILITY_OK_REMOTE_NEEDED 0
1588 #define PAL_VISIBILITY_INVAL_ARG        -2
1589 #define PAL_VISIBILITY_ERROR            -3
1590
1591 static inline s64
1592 ia64_pal_prefetch_visibility (s64 trans_type)
1593 {
1594         struct ia64_pal_retval iprv;
1595         PAL_CALL(iprv, PAL_PREFETCH_VISIBILITY, trans_type, 0, 0);
1596         return iprv.status;
1597 }
1598
1599 /* data structure for getting information on logical to physical mappings */
1600 typedef union pal_log_overview_u {
1601         struct {
1602                 u64     num_log         :16,    /* Total number of logical
1603                                                  * processors on this die
1604                                                  */
1605                         tpc             :8,     /* Threads per core */
1606                         reserved3       :8,     /* Reserved */
1607                         cpp             :8,     /* Cores per processor */
1608                         reserved2       :8,     /* Reserved */
1609                         ppid            :8,     /* Physical processor ID */
1610                         reserved1       :8;     /* Reserved */
1611         } overview_bits;
1612         u64 overview_data;
1613 } pal_log_overview_t;
1614
1615 typedef union pal_proc_n_log_info1_u{
1616         struct {
1617                 u64     tid             :16,    /* Thread id */
1618                         reserved2       :16,    /* Reserved */
1619                         cid             :16,    /* Core id */
1620                         reserved1       :16;    /* Reserved */
1621         } ppli1_bits;
1622         u64     ppli1_data;
1623 } pal_proc_n_log_info1_t;
1624
1625 typedef union pal_proc_n_log_info2_u {
1626         struct {
1627                 u64     la              :16,    /* Logical address */
1628                         reserved        :48;    /* Reserved */
1629         } ppli2_bits;
1630         u64     ppli2_data;
1631 } pal_proc_n_log_info2_t;
1632
1633 typedef struct pal_logical_to_physical_s
1634 {
1635         pal_log_overview_t overview;
1636         pal_proc_n_log_info1_t ppli1;
1637         pal_proc_n_log_info2_t ppli2;
1638 } pal_logical_to_physical_t;
1639
1640 #define overview_num_log        overview.overview_bits.num_log
1641 #define overview_tpc            overview.overview_bits.tpc
1642 #define overview_cpp            overview.overview_bits.cpp
1643 #define overview_ppid           overview.overview_bits.ppid
1644 #define log1_tid                ppli1.ppli1_bits.tid
1645 #define log1_cid                ppli1.ppli1_bits.cid
1646 #define log2_la                 ppli2.ppli2_bits.la
1647
1648 /* Get information on logical to physical processor mappings. */
1649 static inline s64
1650 ia64_pal_logical_to_phys(u64 proc_number, pal_logical_to_physical_t *mapping)
1651 {
1652         struct ia64_pal_retval iprv;
1653
1654         PAL_CALL(iprv, PAL_LOGICAL_TO_PHYSICAL, proc_number, 0, 0);
1655
1656         if (iprv.status == PAL_STATUS_SUCCESS)
1657         {
1658                 mapping->overview.overview_data = iprv.v0;
1659                 mapping->ppli1.ppli1_data = iprv.v1;
1660                 mapping->ppli2.ppli2_data = iprv.v2;
1661         }
1662
1663         return iprv.status;
1664 }
1665
1666 typedef struct pal_cache_shared_info_s
1667 {
1668         u64 num_shared;
1669         pal_proc_n_log_info1_t ppli1;
1670         pal_proc_n_log_info2_t ppli2;
1671 } pal_cache_shared_info_t;
1672
1673 /* Get information on logical to physical processor mappings. */
1674 static inline s64
1675 ia64_pal_cache_shared_info(u64 level,
1676                 u64 type,
1677                 u64 proc_number,
1678                 pal_cache_shared_info_t *info)
1679 {
1680         struct ia64_pal_retval iprv;
1681
1682         PAL_CALL(iprv, PAL_CACHE_SHARED_INFO, level, type, proc_number);
1683
1684         if (iprv.status == PAL_STATUS_SUCCESS) {
1685                 info->num_shared = iprv.v0;
1686                 info->ppli1.ppli1_data = iprv.v1;
1687                 info->ppli2.ppli2_data = iprv.v2;
1688         }
1689
1690         return iprv.status;
1691 }
1692 #endif /* __ASSEMBLY__ */
1693
1694 #endif /* _ASM_IA64_PAL_H */