[IA64] Convert ia64 to use int-ll64.h
[linux-2.6.git] / arch / ia64 / include / asm / 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  * Copyright (C) 2008 Silicon Graphics, Inc. (SGI)
17  *
18  * 99/10/01     davidm  Make sure we pass zero for reserved parameters.
19  * 00/03/07     davidm  Updated pal_cache_flush() to be in sync with PAL v2.6.
20  * 00/03/23     cfleck  Modified processor min-state save area to match updated PAL & SAL info
21  * 00/05/24     eranian Updated to latest PAL spec, fix structures bugs, added
22  * 00/05/25     eranian Support for stack calls, and static physical calls
23  * 00/06/18     eranian Support for stacked physical calls
24  * 06/10/26     rja     Support for Intel Itanium Architecture Software Developer's
25  *                      Manual Rev 2.2 (Jan 2006)
26  */
27
28 /*
29  * Note that some of these calls use a static-register only calling
30  * convention which has nothing to do with the regular calling
31  * convention.
32  */
33 #define PAL_CACHE_FLUSH         1       /* flush i/d cache */
34 #define PAL_CACHE_INFO          2       /* get detailed i/d cache info */
35 #define PAL_CACHE_INIT          3       /* initialize i/d cache */
36 #define PAL_CACHE_SUMMARY       4       /* get summary of cache hierarchy */
37 #define PAL_MEM_ATTRIB          5       /* list supported memory attributes */
38 #define PAL_PTCE_INFO           6       /* purge TLB info */
39 #define PAL_VM_INFO             7       /* return supported virtual memory features */
40 #define PAL_VM_SUMMARY          8       /* return summary on supported vm features */
41 #define PAL_BUS_GET_FEATURES    9       /* return processor bus interface features settings */
42 #define PAL_BUS_SET_FEATURES    10      /* set processor bus features */
43 #define PAL_DEBUG_INFO          11      /* get number of debug registers */
44 #define PAL_FIXED_ADDR          12      /* get fixed component of processors's directed address */
45 #define PAL_FREQ_BASE           13      /* base frequency of the platform */
46 #define PAL_FREQ_RATIOS         14      /* ratio of processor, bus and ITC frequency */
47 #define PAL_PERF_MON_INFO       15      /* return performance monitor info */
48 #define PAL_PLATFORM_ADDR       16      /* set processor interrupt block and IO port space addr */
49 #define PAL_PROC_GET_FEATURES   17      /* get configurable processor features & settings */
50 #define PAL_PROC_SET_FEATURES   18      /* enable/disable configurable processor features */
51 #define PAL_RSE_INFO            19      /* return rse information */
52 #define PAL_VERSION             20      /* return version of PAL code */
53 #define PAL_MC_CLEAR_LOG        21      /* clear all processor log info */
54 #define PAL_MC_DRAIN            22      /* drain operations which could result in an MCA */
55 #define PAL_MC_EXPECTED         23      /* set/reset expected MCA indicator */
56 #define PAL_MC_DYNAMIC_STATE    24      /* get processor dynamic state */
57 #define PAL_MC_ERROR_INFO       25      /* get processor MCA info and static state */
58 #define PAL_MC_RESUME           26      /* Return to interrupted process */
59 #define PAL_MC_REGISTER_MEM     27      /* Register memory for PAL to use during MCAs and inits */
60 #define PAL_HALT                28      /* enter the low power HALT state */
61 #define PAL_HALT_LIGHT          29      /* enter the low power light halt state*/
62 #define PAL_COPY_INFO           30      /* returns info needed to relocate PAL */
63 #define PAL_CACHE_LINE_INIT     31      /* init tags & data of cache line */
64 #define PAL_PMI_ENTRYPOINT      32      /* register PMI memory entry points with the processor */
65 #define PAL_ENTER_IA_32_ENV     33      /* enter IA-32 system environment */
66 #define PAL_VM_PAGE_SIZE        34      /* return vm TC and page walker page sizes */
67
68 #define PAL_MEM_FOR_TEST        37      /* get amount of memory needed for late processor test */
69 #define PAL_CACHE_PROT_INFO     38      /* get i/d cache protection info */
70 #define PAL_REGISTER_INFO       39      /* return AR and CR register information*/
71 #define PAL_SHUTDOWN            40      /* enter processor shutdown state */
72 #define PAL_PREFETCH_VISIBILITY 41      /* Make Processor Prefetches Visible */
73 #define PAL_LOGICAL_TO_PHYSICAL 42      /* returns information on logical to physical processor mapping */
74 #define PAL_CACHE_SHARED_INFO   43      /* returns information on caches shared by logical processor */
75 #define PAL_GET_HW_POLICY       48      /* Get current hardware resource sharing policy */
76 #define PAL_SET_HW_POLICY       49      /* Set current hardware resource sharing policy */
77 #define PAL_VP_INFO             50      /* Information about virtual processor features */
78 #define PAL_MC_HW_TRACKING      51      /* Hardware tracking status */
79
80 #define PAL_COPY_PAL            256     /* relocate PAL procedures and PAL PMI */
81 #define PAL_HALT_INFO           257     /* return the low power capabilities of processor */
82 #define PAL_TEST_PROC           258     /* perform late processor self-test */
83 #define PAL_CACHE_READ          259     /* read tag & data of cacheline for diagnostic testing */
84 #define PAL_CACHE_WRITE         260     /* write tag & data of cacheline for diagnostic testing */
85 #define PAL_VM_TR_READ          261     /* read contents of translation register */
86 #define PAL_GET_PSTATE          262     /* get the current P-state */
87 #define PAL_SET_PSTATE          263     /* set the P-state */
88 #define PAL_BRAND_INFO          274     /* Processor branding information */
89
90 #define PAL_GET_PSTATE_TYPE_LASTSET     0
91 #define PAL_GET_PSTATE_TYPE_AVGANDRESET 1
92 #define PAL_GET_PSTATE_TYPE_AVGNORESET  2
93 #define PAL_GET_PSTATE_TYPE_INSTANT     3
94
95 #define PAL_MC_ERROR_INJECT     276     /* Injects processor error or returns injection capabilities */
96
97 #ifndef __ASSEMBLY__
98
99 #include <linux/types.h>
100 #include <asm/fpu.h>
101
102 /*
103  * Data types needed to pass information into PAL procedures and
104  * interpret information returned by them.
105  */
106
107 /* Return status from the PAL procedure */
108 typedef s64                             pal_status_t;
109
110 #define PAL_STATUS_SUCCESS              0       /* No error */
111 #define PAL_STATUS_UNIMPLEMENTED        (-1)    /* Unimplemented procedure */
112 #define PAL_STATUS_EINVAL               (-2)    /* Invalid argument */
113 #define PAL_STATUS_ERROR                (-3)    /* Error */
114 #define PAL_STATUS_CACHE_INIT_FAIL      (-4)    /* Could not initialize the
115                                                  * specified level and type of
116                                                  * cache without sideeffects
117                                                  * and "restrict" was 1
118                                                  */
119 #define PAL_STATUS_REQUIRES_MEMORY      (-9)    /* Call requires PAL memory buffer */
120
121 /* Processor cache level in the hierarchy */
122 typedef u64                             pal_cache_level_t;
123 #define PAL_CACHE_LEVEL_L0              0       /* L0 */
124 #define PAL_CACHE_LEVEL_L1              1       /* L1 */
125 #define PAL_CACHE_LEVEL_L2              2       /* L2 */
126
127
128 /* Processor cache type at a particular level in the hierarchy */
129
130 typedef u64                             pal_cache_type_t;
131 #define PAL_CACHE_TYPE_INSTRUCTION      1       /* Instruction cache */
132 #define PAL_CACHE_TYPE_DATA             2       /* Data or unified cache */
133 #define PAL_CACHE_TYPE_INSTRUCTION_DATA 3       /* Both Data & Instruction */
134
135
136 #define PAL_CACHE_FLUSH_INVALIDATE      1       /* Invalidate clean lines */
137 #define PAL_CACHE_FLUSH_CHK_INTRS       2       /* check for interrupts/mc while flushing */
138
139 /* Processor cache line size in bytes  */
140 typedef int                             pal_cache_line_size_t;
141
142 /* Processor cache line state */
143 typedef u64                             pal_cache_line_state_t;
144 #define PAL_CACHE_LINE_STATE_INVALID    0       /* Invalid */
145 #define PAL_CACHE_LINE_STATE_SHARED     1       /* Shared */
146 #define PAL_CACHE_LINE_STATE_EXCLUSIVE  2       /* Exclusive */
147 #define PAL_CACHE_LINE_STATE_MODIFIED   3       /* Modified */
148
149 typedef struct pal_freq_ratio {
150         u32 den, num;           /* numerator & denominator */
151 } itc_ratio, proc_ratio;
152
153 typedef union  pal_cache_config_info_1_s {
154         struct {
155                 u64             u               : 1,    /* 0 Unified cache ? */
156                                 at              : 2,    /* 2-1 Cache mem attr*/
157                                 reserved        : 5,    /* 7-3 Reserved */
158                                 associativity   : 8,    /* 16-8 Associativity*/
159                                 line_size       : 8,    /* 23-17 Line size */
160                                 stride          : 8,    /* 31-24 Stride */
161                                 store_latency   : 8,    /*39-32 Store latency*/
162                                 load_latency    : 8,    /* 47-40 Load latency*/
163                                 store_hints     : 8,    /* 55-48 Store hints*/
164                                 load_hints      : 8;    /* 63-56 Load hints */
165         } pcci1_bits;
166         u64                     pcci1_data;
167 } pal_cache_config_info_1_t;
168
169 typedef union  pal_cache_config_info_2_s {
170         struct {
171                 u32             cache_size;             /*cache size in bytes*/
172
173
174                 u32             alias_boundary  : 8,    /* 39-32 aliased addr
175                                                          * separation for max
176                                                          * performance.
177                                                          */
178                                 tag_ls_bit      : 8,    /* 47-40 LSb of addr*/
179                                 tag_ms_bit      : 8,    /* 55-48 MSb of addr*/
180                                 reserved        : 8;    /* 63-56 Reserved */
181         } pcci2_bits;
182         u64                     pcci2_data;
183 } pal_cache_config_info_2_t;
184
185
186 typedef struct pal_cache_config_info_s {
187         pal_status_t                    pcci_status;
188         pal_cache_config_info_1_t       pcci_info_1;
189         pal_cache_config_info_2_t       pcci_info_2;
190         u64                             pcci_reserved;
191 } pal_cache_config_info_t;
192
193 #define pcci_ld_hints           pcci_info_1.pcci1_bits.load_hints
194 #define pcci_st_hints           pcci_info_1.pcci1_bits.store_hints
195 #define pcci_ld_latency         pcci_info_1.pcci1_bits.load_latency
196 #define pcci_st_latency         pcci_info_1.pcci1_bits.store_latency
197 #define pcci_stride             pcci_info_1.pcci1_bits.stride
198 #define pcci_line_size          pcci_info_1.pcci1_bits.line_size
199 #define pcci_assoc              pcci_info_1.pcci1_bits.associativity
200 #define pcci_cache_attr         pcci_info_1.pcci1_bits.at
201 #define pcci_unified            pcci_info_1.pcci1_bits.u
202 #define pcci_tag_msb            pcci_info_2.pcci2_bits.tag_ms_bit
203 #define pcci_tag_lsb            pcci_info_2.pcci2_bits.tag_ls_bit
204 #define pcci_alias_boundary     pcci_info_2.pcci2_bits.alias_boundary
205 #define pcci_cache_size         pcci_info_2.pcci2_bits.cache_size
206
207
208
209 /* Possible values for cache attributes */
210
211 #define PAL_CACHE_ATTR_WT               0       /* Write through cache */
212 #define PAL_CACHE_ATTR_WB               1       /* Write back cache */
213 #define PAL_CACHE_ATTR_WT_OR_WB         2       /* Either write thru or write
214                                                  * back depending on TLB
215                                                  * memory attributes
216                                                  */
217
218
219 /* Possible values for cache hints */
220
221 #define PAL_CACHE_HINT_TEMP_1           0       /* Temporal level 1 */
222 #define PAL_CACHE_HINT_NTEMP_1          1       /* Non-temporal level 1 */
223 #define PAL_CACHE_HINT_NTEMP_ALL        3       /* Non-temporal all levels */
224
225 /* Processor cache protection  information */
226 typedef union pal_cache_protection_element_u {
227         u32                     pcpi_data;
228         struct {
229                 u32             data_bits       : 8, /* # data bits covered by
230                                                       * each unit of protection
231                                                       */
232
233                                 tagprot_lsb     : 6, /* Least -do- */
234                                 tagprot_msb     : 6, /* Most Sig. tag address
235                                                       * bit that this
236                                                       * protection covers.
237                                                       */
238                                 prot_bits       : 6, /* # of protection bits */
239                                 method          : 4, /* Protection method */
240                                 t_d             : 2; /* Indicates which part
241                                                       * of the cache this
242                                                       * protection encoding
243                                                       * applies.
244                                                       */
245         } pcp_info;
246 } pal_cache_protection_element_t;
247
248 #define pcpi_cache_prot_part    pcp_info.t_d
249 #define pcpi_prot_method        pcp_info.method
250 #define pcpi_prot_bits          pcp_info.prot_bits
251 #define pcpi_tagprot_msb        pcp_info.tagprot_msb
252 #define pcpi_tagprot_lsb        pcp_info.tagprot_lsb
253 #define pcpi_data_bits          pcp_info.data_bits
254
255 /* Processor cache part encodings */
256 #define PAL_CACHE_PROT_PART_DATA        0       /* Data protection  */
257 #define PAL_CACHE_PROT_PART_TAG         1       /* Tag  protection */
258 #define PAL_CACHE_PROT_PART_TAG_DATA    2       /* Tag+data protection (tag is
259                                                  * more significant )
260                                                  */
261 #define PAL_CACHE_PROT_PART_DATA_TAG    3       /* Data+tag protection (data is
262                                                  * more significant )
263                                                  */
264 #define PAL_CACHE_PROT_PART_MAX         6
265
266
267 typedef struct pal_cache_protection_info_s {
268         pal_status_t                    pcpi_status;
269         pal_cache_protection_element_t  pcp_info[PAL_CACHE_PROT_PART_MAX];
270 } pal_cache_protection_info_t;
271
272
273 /* Processor cache protection method encodings */
274 #define PAL_CACHE_PROT_METHOD_NONE              0       /* No protection */
275 #define PAL_CACHE_PROT_METHOD_ODD_PARITY        1       /* Odd parity */
276 #define PAL_CACHE_PROT_METHOD_EVEN_PARITY       2       /* Even parity */
277 #define PAL_CACHE_PROT_METHOD_ECC               3       /* ECC protection */
278
279
280 /* Processor cache line identification in the hierarchy */
281 typedef union pal_cache_line_id_u {
282         u64                     pclid_data;
283         struct {
284                 u64             cache_type      : 8,    /* 7-0 cache type */
285                                 level           : 8,    /* 15-8 level of the
286                                                          * cache in the
287                                                          * hierarchy.
288                                                          */
289                                 way             : 8,    /* 23-16 way in the set
290                                                          */
291                                 part            : 8,    /* 31-24 part of the
292                                                          * cache
293                                                          */
294                                 reserved        : 32;   /* 63-32 is reserved*/
295         } pclid_info_read;
296         struct {
297                 u64             cache_type      : 8,    /* 7-0 cache type */
298                                 level           : 8,    /* 15-8 level of the
299                                                          * cache in the
300                                                          * hierarchy.
301                                                          */
302                                 way             : 8,    /* 23-16 way in the set
303                                                          */
304                                 part            : 8,    /* 31-24 part of the
305                                                          * cache
306                                                          */
307                                 mesi            : 8,    /* 39-32 cache line
308                                                          * state
309                                                          */
310                                 start           : 8,    /* 47-40 lsb of data to
311                                                          * invert
312                                                          */
313                                 length          : 8,    /* 55-48 #bits to
314                                                          * invert
315                                                          */
316                                 trigger         : 8;    /* 63-56 Trigger error
317                                                          * by doing a load
318                                                          * after the write
319                                                          */
320
321         } pclid_info_write;
322 } pal_cache_line_id_u_t;
323
324 #define pclid_read_part         pclid_info_read.part
325 #define pclid_read_way          pclid_info_read.way
326 #define pclid_read_level        pclid_info_read.level
327 #define pclid_read_cache_type   pclid_info_read.cache_type
328
329 #define pclid_write_trigger     pclid_info_write.trigger
330 #define pclid_write_length      pclid_info_write.length
331 #define pclid_write_start       pclid_info_write.start
332 #define pclid_write_mesi        pclid_info_write.mesi
333 #define pclid_write_part        pclid_info_write.part
334 #define pclid_write_way         pclid_info_write.way
335 #define pclid_write_level       pclid_info_write.level
336 #define pclid_write_cache_type  pclid_info_write.cache_type
337
338 /* Processor cache line part encodings */
339 #define PAL_CACHE_LINE_ID_PART_DATA             0       /* Data */
340 #define PAL_CACHE_LINE_ID_PART_TAG              1       /* Tag */
341 #define PAL_CACHE_LINE_ID_PART_DATA_PROT        2       /* Data protection */
342 #define PAL_CACHE_LINE_ID_PART_TAG_PROT         3       /* Tag protection */
343 #define PAL_CACHE_LINE_ID_PART_DATA_TAG_PROT    4       /* Data+tag
344                                                          * protection
345                                                          */
346 typedef struct pal_cache_line_info_s {
347         pal_status_t            pcli_status;            /* Return status of the read cache line
348                                                          * info call.
349                                                          */
350         u64                     pcli_data;              /* 64-bit data, tag, protection bits .. */
351         u64                     pcli_data_len;          /* data length in bits */
352         pal_cache_line_state_t  pcli_cache_line_state;  /* mesi state */
353
354 } pal_cache_line_info_t;
355
356
357 /* Machine Check related crap */
358
359 /* Pending event status bits  */
360 typedef u64                                     pal_mc_pending_events_t;
361
362 #define PAL_MC_PENDING_MCA                      (1 << 0)
363 #define PAL_MC_PENDING_INIT                     (1 << 1)
364
365 /* Error information type */
366 typedef u64                                     pal_mc_info_index_t;
367
368 #define PAL_MC_INFO_PROCESSOR                   0       /* Processor */
369 #define PAL_MC_INFO_CACHE_CHECK                 1       /* Cache check */
370 #define PAL_MC_INFO_TLB_CHECK                   2       /* Tlb check */
371 #define PAL_MC_INFO_BUS_CHECK                   3       /* Bus check */
372 #define PAL_MC_INFO_REQ_ADDR                    4       /* Requestor address */
373 #define PAL_MC_INFO_RESP_ADDR                   5       /* Responder address */
374 #define PAL_MC_INFO_TARGET_ADDR                 6       /* Target address */
375 #define PAL_MC_INFO_IMPL_DEP                    7       /* Implementation
376                                                          * dependent
377                                                          */
378
379 #define PAL_TLB_CHECK_OP_PURGE                  8
380
381 typedef struct pal_process_state_info_s {
382         u64             reserved1       : 2,
383                         rz              : 1,    /* PAL_CHECK processor
384                                                  * rendezvous
385                                                  * successful.
386                                                  */
387
388                         ra              : 1,    /* PAL_CHECK attempted
389                                                  * a rendezvous.
390                                                  */
391                         me              : 1,    /* Distinct multiple
392                                                  * errors occurred
393                                                  */
394
395                         mn              : 1,    /* Min. state save
396                                                  * area has been
397                                                  * registered with PAL
398                                                  */
399
400                         sy              : 1,    /* Storage integrity
401                                                  * synched
402                                                  */
403
404
405                         co              : 1,    /* Continuable */
406                         ci              : 1,    /* MC isolated */
407                         us              : 1,    /* Uncontained storage
408                                                  * damage.
409                                                  */
410
411
412                         hd              : 1,    /* Non-essential hw
413                                                  * lost (no loss of
414                                                  * functionality)
415                                                  * causing the
416                                                  * processor to run in
417                                                  * degraded mode.
418                                                  */
419
420                         tl              : 1,    /* 1 => MC occurred
421                                                  * after an instr was
422                                                  * executed but before
423                                                  * the trap that
424                                                  * resulted from instr
425                                                  * execution was
426                                                  * generated.
427                                                  * (Trap Lost )
428                                                  */
429                         mi              : 1,    /* More information available
430                                                  * call PAL_MC_ERROR_INFO
431                                                  */
432                         pi              : 1,    /* Precise instruction pointer */
433                         pm              : 1,    /* Precise min-state save area */
434
435                         dy              : 1,    /* Processor dynamic
436                                                  * state valid
437                                                  */
438
439
440                         in              : 1,    /* 0 = MC, 1 = INIT */
441                         rs              : 1,    /* RSE valid */
442                         cm              : 1,    /* MC corrected */
443                         ex              : 1,    /* MC is expected */
444                         cr              : 1,    /* Control regs valid*/
445                         pc              : 1,    /* Perf cntrs valid */
446                         dr              : 1,    /* Debug regs valid */
447                         tr              : 1,    /* Translation regs
448                                                  * valid
449                                                  */
450                         rr              : 1,    /* Region regs valid */
451                         ar              : 1,    /* App regs valid */
452                         br              : 1,    /* Branch regs valid */
453                         pr              : 1,    /* Predicate registers
454                                                  * valid
455                                                  */
456
457                         fp              : 1,    /* fp registers valid*/
458                         b1              : 1,    /* Preserved bank one
459                                                  * general registers
460                                                  * are valid
461                                                  */
462                         b0              : 1,    /* Preserved bank zero
463                                                  * general registers
464                                                  * are valid
465                                                  */
466                         gr              : 1,    /* General registers
467                                                  * are valid
468                                                  * (excl. banked regs)
469                                                  */
470                         dsize           : 16,   /* size of dynamic
471                                                  * state returned
472                                                  * by the processor
473                                                  */
474
475                         se              : 1,    /* Shared error.  MCA in a
476                                                    shared structure */
477                         reserved2       : 10,
478                         cc              : 1,    /* Cache check */
479                         tc              : 1,    /* TLB check */
480                         bc              : 1,    /* Bus check */
481                         rc              : 1,    /* Register file check */
482                         uc              : 1;    /* Uarch check */
483
484 } pal_processor_state_info_t;
485
486 typedef struct pal_cache_check_info_s {
487         u64             op              : 4,    /* Type of cache
488                                                  * operation that
489                                                  * caused the machine
490                                                  * check.
491                                                  */
492                         level           : 2,    /* Cache level */
493                         reserved1       : 2,
494                         dl              : 1,    /* Failure in data part
495                                                  * of cache line
496                                                  */
497                         tl              : 1,    /* Failure in tag part
498                                                  * of cache line
499                                                  */
500                         dc              : 1,    /* Failure in dcache */
501                         ic              : 1,    /* Failure in icache */
502                         mesi            : 3,    /* Cache line state */
503                         mv              : 1,    /* mesi valid */
504                         way             : 5,    /* Way in which the
505                                                  * error occurred
506                                                  */
507                         wiv             : 1,    /* Way field valid */
508                         reserved2       : 1,
509                         dp              : 1,    /* Data poisoned on MBE */
510                         reserved3       : 6,
511                         hlth            : 2,    /* Health indicator */
512
513                         index           : 20,   /* Cache line index */
514                         reserved4       : 2,
515
516                         is              : 1,    /* instruction set (1 == ia32) */
517                         iv              : 1,    /* instruction set field valid */
518                         pl              : 2,    /* privilege level */
519                         pv              : 1,    /* privilege level field valid */
520                         mcc             : 1,    /* Machine check corrected */
521                         tv              : 1,    /* Target address
522                                                  * structure is valid
523                                                  */
524                         rq              : 1,    /* Requester identifier
525                                                  * structure is valid
526                                                  */
527                         rp              : 1,    /* Responder identifier
528                                                  * structure is valid
529                                                  */
530                         pi              : 1;    /* Precise instruction pointer
531                                                  * structure is valid
532                                                  */
533 } pal_cache_check_info_t;
534
535 typedef struct pal_tlb_check_info_s {
536
537         u64             tr_slot         : 8,    /* Slot# of TR where
538                                                  * error occurred
539                                                  */
540                         trv             : 1,    /* tr_slot field is valid */
541                         reserved1       : 1,
542                         level           : 2,    /* TLB level where failure occurred */
543                         reserved2       : 4,
544                         dtr             : 1,    /* Fail in data TR */
545                         itr             : 1,    /* Fail in inst TR */
546                         dtc             : 1,    /* Fail in data TC */
547                         itc             : 1,    /* Fail in inst. TC */
548                         op              : 4,    /* Cache operation */
549                         reserved3       : 6,
550                         hlth            : 2,    /* Health indicator */
551                         reserved4       : 22,
552
553                         is              : 1,    /* instruction set (1 == ia32) */
554                         iv              : 1,    /* instruction set field valid */
555                         pl              : 2,    /* privilege level */
556                         pv              : 1,    /* privilege level field valid */
557                         mcc             : 1,    /* Machine check corrected */
558                         tv              : 1,    /* Target address
559                                                  * structure is valid
560                                                  */
561                         rq              : 1,    /* Requester identifier
562                                                  * structure is valid
563                                                  */
564                         rp              : 1,    /* Responder identifier
565                                                  * structure is valid
566                                                  */
567                         pi              : 1;    /* Precise instruction pointer
568                                                  * structure is valid
569                                                  */
570 } pal_tlb_check_info_t;
571
572 typedef struct pal_bus_check_info_s {
573         u64             size            : 5,    /* Xaction size */
574                         ib              : 1,    /* Internal bus error */
575                         eb              : 1,    /* External bus error */
576                         cc              : 1,    /* Error occurred
577                                                  * during cache-cache
578                                                  * transfer.
579                                                  */
580                         type            : 8,    /* Bus xaction type*/
581                         sev             : 5,    /* Bus error severity*/
582                         hier            : 2,    /* Bus hierarchy level */
583                         dp              : 1,    /* Data poisoned on MBE */
584                         bsi             : 8,    /* Bus error status
585                                                  * info
586                                                  */
587                         reserved2       : 22,
588
589                         is              : 1,    /* instruction set (1 == ia32) */
590                         iv              : 1,    /* instruction set field valid */
591                         pl              : 2,    /* privilege level */
592                         pv              : 1,    /* privilege level field valid */
593                         mcc             : 1,    /* Machine check corrected */
594                         tv              : 1,    /* Target address
595                                                  * structure is valid
596                                                  */
597                         rq              : 1,    /* Requester identifier
598                                                  * structure is valid
599                                                  */
600                         rp              : 1,    /* Responder identifier
601                                                  * structure is valid
602                                                  */
603                         pi              : 1;    /* Precise instruction pointer
604                                                  * structure is valid
605                                                  */
606 } pal_bus_check_info_t;
607
608 typedef struct pal_reg_file_check_info_s {
609         u64             id              : 4,    /* Register file identifier */
610                         op              : 4,    /* Type of register
611                                                  * operation that
612                                                  * caused the machine
613                                                  * check.
614                                                  */
615                         reg_num         : 7,    /* Register number */
616                         rnv             : 1,    /* reg_num valid */
617                         reserved2       : 38,
618
619                         is              : 1,    /* instruction set (1 == ia32) */
620                         iv              : 1,    /* instruction set field valid */
621                         pl              : 2,    /* privilege level */
622                         pv              : 1,    /* privilege level field valid */
623                         mcc             : 1,    /* Machine check corrected */
624                         reserved3       : 3,
625                         pi              : 1;    /* Precise instruction pointer
626                                                  * structure is valid
627                                                  */
628 } pal_reg_file_check_info_t;
629
630 typedef struct pal_uarch_check_info_s {
631         u64             sid             : 5,    /* Structure identification */
632                         level           : 3,    /* Level of failure */
633                         array_id        : 4,    /* Array identification */
634                         op              : 4,    /* Type of
635                                                  * operation that
636                                                  * caused the machine
637                                                  * check.
638                                                  */
639                         way             : 6,    /* Way of structure */
640                         wv              : 1,    /* way valid */
641                         xv              : 1,    /* index valid */
642                         reserved1       : 6,
643                         hlth            : 2,    /* Health indicator */
644                         index           : 8,    /* Index or set of the uarch
645                                                  * structure that failed.
646                                                  */
647                         reserved2       : 24,
648
649                         is              : 1,    /* instruction set (1 == ia32) */
650                         iv              : 1,    /* instruction set field valid */
651                         pl              : 2,    /* privilege level */
652                         pv              : 1,    /* privilege level field valid */
653                         mcc             : 1,    /* Machine check corrected */
654                         tv              : 1,    /* Target address
655                                                  * structure is valid
656                                                  */
657                         rq              : 1,    /* Requester identifier
658                                                  * structure is valid
659                                                  */
660                         rp              : 1,    /* Responder identifier
661                                                  * structure is valid
662                                                  */
663                         pi              : 1;    /* Precise instruction pointer
664                                                  * structure is valid
665                                                  */
666 } pal_uarch_check_info_t;
667
668 typedef union pal_mc_error_info_u {
669         u64                             pmei_data;
670         pal_processor_state_info_t      pme_processor;
671         pal_cache_check_info_t          pme_cache;
672         pal_tlb_check_info_t            pme_tlb;
673         pal_bus_check_info_t            pme_bus;
674         pal_reg_file_check_info_t       pme_reg_file;
675         pal_uarch_check_info_t          pme_uarch;
676 } pal_mc_error_info_t;
677
678 #define pmci_proc_unknown_check                 pme_processor.uc
679 #define pmci_proc_bus_check                     pme_processor.bc
680 #define pmci_proc_tlb_check                     pme_processor.tc
681 #define pmci_proc_cache_check                   pme_processor.cc
682 #define pmci_proc_dynamic_state_size            pme_processor.dsize
683 #define pmci_proc_gpr_valid                     pme_processor.gr
684 #define pmci_proc_preserved_bank0_gpr_valid     pme_processor.b0
685 #define pmci_proc_preserved_bank1_gpr_valid     pme_processor.b1
686 #define pmci_proc_fp_valid                      pme_processor.fp
687 #define pmci_proc_predicate_regs_valid          pme_processor.pr
688 #define pmci_proc_branch_regs_valid             pme_processor.br
689 #define pmci_proc_app_regs_valid                pme_processor.ar
690 #define pmci_proc_region_regs_valid             pme_processor.rr
691 #define pmci_proc_translation_regs_valid        pme_processor.tr
692 #define pmci_proc_debug_regs_valid              pme_processor.dr
693 #define pmci_proc_perf_counters_valid           pme_processor.pc
694 #define pmci_proc_control_regs_valid            pme_processor.cr
695 #define pmci_proc_machine_check_expected        pme_processor.ex
696 #define pmci_proc_machine_check_corrected       pme_processor.cm
697 #define pmci_proc_rse_valid                     pme_processor.rs
698 #define pmci_proc_machine_check_or_init         pme_processor.in
699 #define pmci_proc_dynamic_state_valid           pme_processor.dy
700 #define pmci_proc_operation                     pme_processor.op
701 #define pmci_proc_trap_lost                     pme_processor.tl
702 #define pmci_proc_hardware_damage               pme_processor.hd
703 #define pmci_proc_uncontained_storage_damage    pme_processor.us
704 #define pmci_proc_machine_check_isolated        pme_processor.ci
705 #define pmci_proc_continuable                   pme_processor.co
706 #define pmci_proc_storage_intergrity_synced     pme_processor.sy
707 #define pmci_proc_min_state_save_area_regd      pme_processor.mn
708 #define pmci_proc_distinct_multiple_errors      pme_processor.me
709 #define pmci_proc_pal_attempted_rendezvous      pme_processor.ra
710 #define pmci_proc_pal_rendezvous_complete       pme_processor.rz
711
712
713 #define pmci_cache_level                        pme_cache.level
714 #define pmci_cache_line_state                   pme_cache.mesi
715 #define pmci_cache_line_state_valid             pme_cache.mv
716 #define pmci_cache_line_index                   pme_cache.index
717 #define pmci_cache_instr_cache_fail             pme_cache.ic
718 #define pmci_cache_data_cache_fail              pme_cache.dc
719 #define pmci_cache_line_tag_fail                pme_cache.tl
720 #define pmci_cache_line_data_fail               pme_cache.dl
721 #define pmci_cache_operation                    pme_cache.op
722 #define pmci_cache_way_valid                    pme_cache.wv
723 #define pmci_cache_target_address_valid         pme_cache.tv
724 #define pmci_cache_way                          pme_cache.way
725 #define pmci_cache_mc                           pme_cache.mc
726
727 #define pmci_tlb_instr_translation_cache_fail   pme_tlb.itc
728 #define pmci_tlb_data_translation_cache_fail    pme_tlb.dtc
729 #define pmci_tlb_instr_translation_reg_fail     pme_tlb.itr
730 #define pmci_tlb_data_translation_reg_fail      pme_tlb.dtr
731 #define pmci_tlb_translation_reg_slot           pme_tlb.tr_slot
732 #define pmci_tlb_mc                             pme_tlb.mc
733
734 #define pmci_bus_status_info                    pme_bus.bsi
735 #define pmci_bus_req_address_valid              pme_bus.rq
736 #define pmci_bus_resp_address_valid             pme_bus.rp
737 #define pmci_bus_target_address_valid           pme_bus.tv
738 #define pmci_bus_error_severity                 pme_bus.sev
739 #define pmci_bus_transaction_type               pme_bus.type
740 #define pmci_bus_cache_cache_transfer           pme_bus.cc
741 #define pmci_bus_transaction_size               pme_bus.size
742 #define pmci_bus_internal_error                 pme_bus.ib
743 #define pmci_bus_external_error                 pme_bus.eb
744 #define pmci_bus_mc                             pme_bus.mc
745
746 /*
747  * NOTE: this min_state_save area struct only includes the 1KB
748  * architectural state save area.  The other 3 KB is scratch space
749  * for PAL.
750  */
751
752 typedef struct pal_min_state_area_s {
753         u64     pmsa_nat_bits;          /* nat bits for saved GRs  */
754         u64     pmsa_gr[15];            /* GR1  - GR15             */
755         u64     pmsa_bank0_gr[16];      /* GR16 - GR31             */
756         u64     pmsa_bank1_gr[16];      /* GR16 - GR31             */
757         u64     pmsa_pr;                /* predicate registers     */
758         u64     pmsa_br0;               /* branch register 0       */
759         u64     pmsa_rsc;               /* ar.rsc                  */
760         u64     pmsa_iip;               /* cr.iip                  */
761         u64     pmsa_ipsr;              /* cr.ipsr                 */
762         u64     pmsa_ifs;               /* cr.ifs                  */
763         u64     pmsa_xip;               /* previous iip            */
764         u64     pmsa_xpsr;              /* previous psr            */
765         u64     pmsa_xfs;               /* previous ifs            */
766         u64     pmsa_br1;               /* branch register 1       */
767         u64     pmsa_reserved[70];      /* pal_min_state_area should total to 1KB */
768 } pal_min_state_area_t;
769
770
771 struct ia64_pal_retval {
772         /*
773          * A zero status value indicates call completed without error.
774          * A negative status value indicates reason of call failure.
775          * A positive status value indicates success but an
776          * informational value should be printed (e.g., "reboot for
777          * change to take effect").
778          */
779         s64 status;
780         u64 v0;
781         u64 v1;
782         u64 v2;
783 };
784
785 /*
786  * Note: Currently unused PAL arguments are generally labeled
787  * "reserved" so the value specified in the PAL documentation
788  * (generally 0) MUST be passed.  Reserved parameters are not optional
789  * parameters.
790  */
791 extern struct ia64_pal_retval ia64_pal_call_static (u64, u64, u64, u64);
792 extern struct ia64_pal_retval ia64_pal_call_stacked (u64, u64, u64, u64);
793 extern struct ia64_pal_retval ia64_pal_call_phys_static (u64, u64, u64, u64);
794 extern struct ia64_pal_retval ia64_pal_call_phys_stacked (u64, u64, u64, u64);
795 extern void ia64_save_scratch_fpregs (struct ia64_fpreg *);
796 extern void ia64_load_scratch_fpregs (struct ia64_fpreg *);
797
798 #define PAL_CALL(iprv,a0,a1,a2,a3) do {                 \
799         struct ia64_fpreg fr[6];                        \
800         ia64_save_scratch_fpregs(fr);                   \
801         iprv = ia64_pal_call_static(a0, a1, a2, a3);    \
802         ia64_load_scratch_fpregs(fr);                   \
803 } while (0)
804
805 #define PAL_CALL_STK(iprv,a0,a1,a2,a3) do {             \
806         struct ia64_fpreg fr[6];                        \
807         ia64_save_scratch_fpregs(fr);                   \
808         iprv = ia64_pal_call_stacked(a0, a1, a2, a3);   \
809         ia64_load_scratch_fpregs(fr);                   \
810 } while (0)
811
812 #define PAL_CALL_PHYS(iprv,a0,a1,a2,a3) do {                    \
813         struct ia64_fpreg fr[6];                                \
814         ia64_save_scratch_fpregs(fr);                           \
815         iprv = ia64_pal_call_phys_static(a0, a1, a2, a3);       \
816         ia64_load_scratch_fpregs(fr);                           \
817 } while (0)
818
819 #define PAL_CALL_PHYS_STK(iprv,a0,a1,a2,a3) do {                \
820         struct ia64_fpreg fr[6];                                \
821         ia64_save_scratch_fpregs(fr);                           \
822         iprv = ia64_pal_call_phys_stacked(a0, a1, a2, a3);      \
823         ia64_load_scratch_fpregs(fr);                           \
824 } while (0)
825
826 typedef int (*ia64_pal_handler) (u64, ...);
827 extern ia64_pal_handler ia64_pal;
828 extern void ia64_pal_handler_init (void *);
829
830 extern ia64_pal_handler ia64_pal;
831
832 extern pal_cache_config_info_t          l0d_cache_config_info;
833 extern pal_cache_config_info_t          l0i_cache_config_info;
834 extern pal_cache_config_info_t          l1_cache_config_info;
835 extern pal_cache_config_info_t          l2_cache_config_info;
836
837 extern pal_cache_protection_info_t      l0d_cache_protection_info;
838 extern pal_cache_protection_info_t      l0i_cache_protection_info;
839 extern pal_cache_protection_info_t      l1_cache_protection_info;
840 extern pal_cache_protection_info_t      l2_cache_protection_info;
841
842 extern pal_cache_config_info_t          pal_cache_config_info_get(pal_cache_level_t,
843                                                                   pal_cache_type_t);
844
845 extern pal_cache_protection_info_t      pal_cache_protection_info_get(pal_cache_level_t,
846                                                                       pal_cache_type_t);
847
848
849 extern void                             pal_error(int);
850
851
852 /* Useful wrappers for the current list of pal procedures */
853
854 typedef union pal_bus_features_u {
855         u64     pal_bus_features_val;
856         struct {
857                 u64     pbf_reserved1                           :       29;
858                 u64     pbf_req_bus_parking                     :       1;
859                 u64     pbf_bus_lock_mask                       :       1;
860                 u64     pbf_enable_half_xfer_rate               :       1;
861                 u64     pbf_reserved2                           :       20;
862                 u64     pbf_enable_shared_line_replace          :       1;
863                 u64     pbf_enable_exclusive_line_replace       :       1;
864                 u64     pbf_disable_xaction_queueing            :       1;
865                 u64     pbf_disable_resp_err_check              :       1;
866                 u64     pbf_disable_berr_check                  :       1;
867                 u64     pbf_disable_bus_req_internal_err_signal :       1;
868                 u64     pbf_disable_bus_req_berr_signal         :       1;
869                 u64     pbf_disable_bus_init_event_check        :       1;
870                 u64     pbf_disable_bus_init_event_signal       :       1;
871                 u64     pbf_disable_bus_addr_err_check          :       1;
872                 u64     pbf_disable_bus_addr_err_signal         :       1;
873                 u64     pbf_disable_bus_data_err_check          :       1;
874         } pal_bus_features_s;
875 } pal_bus_features_u_t;
876
877 extern void pal_bus_features_print (u64);
878
879 /* Provide information about configurable processor bus features */
880 static inline s64
881 ia64_pal_bus_get_features (pal_bus_features_u_t *features_avail,
882                            pal_bus_features_u_t *features_status,
883                            pal_bus_features_u_t *features_control)
884 {
885         struct ia64_pal_retval iprv;
886         PAL_CALL_PHYS(iprv, PAL_BUS_GET_FEATURES, 0, 0, 0);
887         if (features_avail)
888                 features_avail->pal_bus_features_val = iprv.v0;
889         if (features_status)
890                 features_status->pal_bus_features_val = iprv.v1;
891         if (features_control)
892                 features_control->pal_bus_features_val = iprv.v2;
893         return iprv.status;
894 }
895
896 /* Enables/disables specific processor bus features */
897 static inline s64
898 ia64_pal_bus_set_features (pal_bus_features_u_t feature_select)
899 {
900         struct ia64_pal_retval iprv;
901         PAL_CALL_PHYS(iprv, PAL_BUS_SET_FEATURES, feature_select.pal_bus_features_val, 0, 0);
902         return iprv.status;
903 }
904
905 /* Get detailed cache information */
906 static inline s64
907 ia64_pal_cache_config_info (u64 cache_level, u64 cache_type, pal_cache_config_info_t *conf)
908 {
909         struct ia64_pal_retval iprv;
910
911         PAL_CALL(iprv, PAL_CACHE_INFO, cache_level, cache_type, 0);
912
913         if (iprv.status == 0) {
914                 conf->pcci_status                 = iprv.status;
915                 conf->pcci_info_1.pcci1_data      = iprv.v0;
916                 conf->pcci_info_2.pcci2_data      = iprv.v1;
917                 conf->pcci_reserved               = iprv.v2;
918         }
919         return iprv.status;
920
921 }
922
923 /* Get detailed cche protection information */
924 static inline s64
925 ia64_pal_cache_prot_info (u64 cache_level, u64 cache_type, pal_cache_protection_info_t *prot)
926 {
927         struct ia64_pal_retval iprv;
928
929         PAL_CALL(iprv, PAL_CACHE_PROT_INFO, cache_level, cache_type, 0);
930
931         if (iprv.status == 0) {
932                 prot->pcpi_status           = iprv.status;
933                 prot->pcp_info[0].pcpi_data = iprv.v0 & 0xffffffff;
934                 prot->pcp_info[1].pcpi_data = iprv.v0 >> 32;
935                 prot->pcp_info[2].pcpi_data = iprv.v1 & 0xffffffff;
936                 prot->pcp_info[3].pcpi_data = iprv.v1 >> 32;
937                 prot->pcp_info[4].pcpi_data = iprv.v2 & 0xffffffff;
938                 prot->pcp_info[5].pcpi_data = iprv.v2 >> 32;
939         }
940         return iprv.status;
941 }
942
943 /*
944  * Flush the processor instruction or data caches.  *PROGRESS must be
945  * initialized to zero before calling this for the first time..
946  */
947 static inline s64
948 ia64_pal_cache_flush (u64 cache_type, u64 invalidate, u64 *progress, u64 *vector)
949 {
950         struct ia64_pal_retval iprv;
951         PAL_CALL(iprv, PAL_CACHE_FLUSH, cache_type, invalidate, *progress);
952         if (vector)
953                 *vector = iprv.v0;
954         *progress = iprv.v1;
955         return iprv.status;
956 }
957
958
959 /* Initialize the processor controlled caches */
960 static inline s64
961 ia64_pal_cache_init (u64 level, u64 cache_type, u64 rest)
962 {
963         struct ia64_pal_retval iprv;
964         PAL_CALL(iprv, PAL_CACHE_INIT, level, cache_type, rest);
965         return iprv.status;
966 }
967
968 /* Initialize the tags and data of a data or unified cache line of
969  * processor controlled cache to known values without the availability
970  * of backing memory.
971  */
972 static inline s64
973 ia64_pal_cache_line_init (u64 physical_addr, u64 data_value)
974 {
975         struct ia64_pal_retval iprv;
976         PAL_CALL(iprv, PAL_CACHE_LINE_INIT, physical_addr, data_value, 0);
977         return iprv.status;
978 }
979
980
981 /* Read the data and tag of a processor controlled cache line for diags */
982 static inline s64
983 ia64_pal_cache_read (pal_cache_line_id_u_t line_id, u64 physical_addr)
984 {
985         struct ia64_pal_retval iprv;
986         PAL_CALL_PHYS_STK(iprv, PAL_CACHE_READ, line_id.pclid_data,
987                                 physical_addr, 0);
988         return iprv.status;
989 }
990
991 /* Return summary information about the hierarchy of caches controlled by the processor */
992 static inline long ia64_pal_cache_summary(unsigned long *cache_levels,
993                                                 unsigned long *unique_caches)
994 {
995         struct ia64_pal_retval iprv;
996         PAL_CALL(iprv, PAL_CACHE_SUMMARY, 0, 0, 0);
997         if (cache_levels)
998                 *cache_levels = iprv.v0;
999         if (unique_caches)
1000                 *unique_caches = iprv.v1;
1001         return iprv.status;
1002 }
1003
1004 /* Write the data and tag of a processor-controlled cache line for diags */
1005 static inline s64
1006 ia64_pal_cache_write (pal_cache_line_id_u_t line_id, u64 physical_addr, u64 data)
1007 {
1008         struct ia64_pal_retval iprv;
1009         PAL_CALL_PHYS_STK(iprv, PAL_CACHE_WRITE, line_id.pclid_data,
1010                                 physical_addr, data);
1011         return iprv.status;
1012 }
1013
1014
1015 /* Return the parameters needed to copy relocatable PAL procedures from ROM to memory */
1016 static inline s64
1017 ia64_pal_copy_info (u64 copy_type, u64 num_procs, u64 num_iopics,
1018                     u64 *buffer_size, u64 *buffer_align)
1019 {
1020         struct ia64_pal_retval iprv;
1021         PAL_CALL(iprv, PAL_COPY_INFO, copy_type, num_procs, num_iopics);
1022         if (buffer_size)
1023                 *buffer_size = iprv.v0;
1024         if (buffer_align)
1025                 *buffer_align = iprv.v1;
1026         return iprv.status;
1027 }
1028
1029 /* Copy relocatable PAL procedures from ROM to memory */
1030 static inline s64
1031 ia64_pal_copy_pal (u64 target_addr, u64 alloc_size, u64 processor, u64 *pal_proc_offset)
1032 {
1033         struct ia64_pal_retval iprv;
1034         PAL_CALL(iprv, PAL_COPY_PAL, target_addr, alloc_size, processor);
1035         if (pal_proc_offset)
1036                 *pal_proc_offset = iprv.v0;
1037         return iprv.status;
1038 }
1039
1040 /* Return the number of instruction and data debug register pairs */
1041 static inline long ia64_pal_debug_info(unsigned long *inst_regs,
1042                                                 unsigned long *data_regs)
1043 {
1044         struct ia64_pal_retval iprv;
1045         PAL_CALL(iprv, PAL_DEBUG_INFO, 0, 0, 0);
1046         if (inst_regs)
1047                 *inst_regs = iprv.v0;
1048         if (data_regs)
1049                 *data_regs = iprv.v1;
1050
1051         return iprv.status;
1052 }
1053
1054 #ifdef TBD
1055 /* Switch from IA64-system environment to IA-32 system environment */
1056 static inline s64
1057 ia64_pal_enter_ia32_env (ia32_env1, ia32_env2, ia32_env3)
1058 {
1059         struct ia64_pal_retval iprv;
1060         PAL_CALL(iprv, PAL_ENTER_IA_32_ENV, ia32_env1, ia32_env2, ia32_env3);
1061         return iprv.status;
1062 }
1063 #endif
1064
1065 /* Get unique geographical address of this processor on its bus */
1066 static inline s64
1067 ia64_pal_fixed_addr (u64 *global_unique_addr)
1068 {
1069         struct ia64_pal_retval iprv;
1070         PAL_CALL(iprv, PAL_FIXED_ADDR, 0, 0, 0);
1071         if (global_unique_addr)
1072                 *global_unique_addr = iprv.v0;
1073         return iprv.status;
1074 }
1075
1076 /* Get base frequency of the platform if generated by the processor */
1077 static inline long ia64_pal_freq_base(unsigned long *platform_base_freq)
1078 {
1079         struct ia64_pal_retval iprv;
1080         PAL_CALL(iprv, PAL_FREQ_BASE, 0, 0, 0);
1081         if (platform_base_freq)
1082                 *platform_base_freq = iprv.v0;
1083         return iprv.status;
1084 }
1085
1086 /*
1087  * Get the ratios for processor frequency, bus frequency and interval timer to
1088  * to base frequency of the platform
1089  */
1090 static inline s64
1091 ia64_pal_freq_ratios (struct pal_freq_ratio *proc_ratio, struct pal_freq_ratio *bus_ratio,
1092                       struct pal_freq_ratio *itc_ratio)
1093 {
1094         struct ia64_pal_retval iprv;
1095         PAL_CALL(iprv, PAL_FREQ_RATIOS, 0, 0, 0);
1096         if (proc_ratio)
1097                 *(u64 *)proc_ratio = iprv.v0;
1098         if (bus_ratio)
1099                 *(u64 *)bus_ratio = iprv.v1;
1100         if (itc_ratio)
1101                 *(u64 *)itc_ratio = iprv.v2;
1102         return iprv.status;
1103 }
1104
1105 /*
1106  * Get the current hardware resource sharing policy of the processor
1107  */
1108 static inline s64
1109 ia64_pal_get_hw_policy (u64 proc_num, u64 *cur_policy, u64 *num_impacted,
1110                         u64 *la)
1111 {
1112         struct ia64_pal_retval iprv;
1113         PAL_CALL(iprv, PAL_GET_HW_POLICY, proc_num, 0, 0);
1114         if (cur_policy)
1115                 *cur_policy = iprv.v0;
1116         if (num_impacted)
1117                 *num_impacted = iprv.v1;
1118         if (la)
1119                 *la = iprv.v2;
1120         return iprv.status;
1121 }
1122
1123 /* Make the processor enter HALT or one of the implementation dependent low
1124  * power states where prefetching and execution are suspended and cache and
1125  * TLB coherency is not maintained.
1126  */
1127 static inline s64
1128 ia64_pal_halt (u64 halt_state)
1129 {
1130         struct ia64_pal_retval iprv;
1131         PAL_CALL(iprv, PAL_HALT, halt_state, 0, 0);
1132         return iprv.status;
1133 }
1134
1135 typedef union pal_power_mgmt_info_u {
1136         u64                     ppmi_data;
1137         struct {
1138                u64              exit_latency            : 16,
1139                                 entry_latency           : 16,
1140                                 power_consumption       : 28,
1141                                 im                      : 1,
1142                                 co                      : 1,
1143                                 reserved                : 2;
1144         } pal_power_mgmt_info_s;
1145 } pal_power_mgmt_info_u_t;
1146
1147 /* Return information about processor's optional power management capabilities. */
1148 static inline s64
1149 ia64_pal_halt_info (pal_power_mgmt_info_u_t *power_buf)
1150 {
1151         struct ia64_pal_retval iprv;
1152         PAL_CALL_STK(iprv, PAL_HALT_INFO, (unsigned long) power_buf, 0, 0);
1153         return iprv.status;
1154 }
1155
1156 /* Get the current P-state information */
1157 static inline s64
1158 ia64_pal_get_pstate (u64 *pstate_index, unsigned long type)
1159 {
1160         struct ia64_pal_retval iprv;
1161         PAL_CALL_STK(iprv, PAL_GET_PSTATE, type, 0, 0);
1162         *pstate_index = iprv.v0;
1163         return iprv.status;
1164 }
1165
1166 /* Set the P-state */
1167 static inline s64
1168 ia64_pal_set_pstate (u64 pstate_index)
1169 {
1170         struct ia64_pal_retval iprv;
1171         PAL_CALL_STK(iprv, PAL_SET_PSTATE, pstate_index, 0, 0);
1172         return iprv.status;
1173 }
1174
1175 /* Processor branding information*/
1176 static inline s64
1177 ia64_pal_get_brand_info (char *brand_info)
1178 {
1179         struct ia64_pal_retval iprv;
1180         PAL_CALL_STK(iprv, PAL_BRAND_INFO, 0, (u64)brand_info, 0);
1181         return iprv.status;
1182 }
1183
1184 /* Cause the processor to enter LIGHT HALT state, where prefetching and execution are
1185  * suspended, but cache and TLB coherency is maintained.
1186  */
1187 static inline s64
1188 ia64_pal_halt_light (void)
1189 {
1190         struct ia64_pal_retval iprv;
1191         PAL_CALL(iprv, PAL_HALT_LIGHT, 0, 0, 0);
1192         return iprv.status;
1193 }
1194
1195 /* Clear all the processor error logging   registers and reset the indicator that allows
1196  * the error logging registers to be written. This procedure also checks the pending
1197  * machine check bit and pending INIT bit and reports their states.
1198  */
1199 static inline s64
1200 ia64_pal_mc_clear_log (u64 *pending_vector)
1201 {
1202         struct ia64_pal_retval iprv;
1203         PAL_CALL(iprv, PAL_MC_CLEAR_LOG, 0, 0, 0);
1204         if (pending_vector)
1205                 *pending_vector = iprv.v0;
1206         return iprv.status;
1207 }
1208
1209 /* Ensure that all outstanding transactions in a processor are completed or that any
1210  * MCA due to thes outstanding transaction is taken.
1211  */
1212 static inline s64
1213 ia64_pal_mc_drain (void)
1214 {
1215         struct ia64_pal_retval iprv;
1216         PAL_CALL(iprv, PAL_MC_DRAIN, 0, 0, 0);
1217         return iprv.status;
1218 }
1219
1220 /* Return the machine check dynamic processor state */
1221 static inline s64
1222 ia64_pal_mc_dynamic_state (u64 info_type, u64 dy_buffer, u64 *size)
1223 {
1224         struct ia64_pal_retval iprv;
1225         PAL_CALL(iprv, PAL_MC_DYNAMIC_STATE, info_type, dy_buffer, 0);
1226         if (size)
1227                 *size = iprv.v0;
1228         return iprv.status;
1229 }
1230
1231 /* Return processor machine check information */
1232 static inline s64
1233 ia64_pal_mc_error_info (u64 info_index, u64 type_index, u64 *size, u64 *error_info)
1234 {
1235         struct ia64_pal_retval iprv;
1236         PAL_CALL(iprv, PAL_MC_ERROR_INFO, info_index, type_index, 0);
1237         if (size)
1238                 *size = iprv.v0;
1239         if (error_info)
1240                 *error_info = iprv.v1;
1241         return iprv.status;
1242 }
1243
1244 /* Injects the requested processor error or returns info on
1245  * supported injection capabilities for current processor implementation
1246  */
1247 static inline s64
1248 ia64_pal_mc_error_inject_phys (u64 err_type_info, u64 err_struct_info,
1249                         u64 err_data_buffer, u64 *capabilities, u64 *resources)
1250 {
1251         struct ia64_pal_retval iprv;
1252         PAL_CALL_PHYS_STK(iprv, PAL_MC_ERROR_INJECT, err_type_info,
1253                           err_struct_info, err_data_buffer);
1254         if (capabilities)
1255                 *capabilities= iprv.v0;
1256         if (resources)
1257                 *resources= iprv.v1;
1258         return iprv.status;
1259 }
1260
1261 static inline s64
1262 ia64_pal_mc_error_inject_virt (u64 err_type_info, u64 err_struct_info,
1263                         u64 err_data_buffer, u64 *capabilities, u64 *resources)
1264 {
1265         struct ia64_pal_retval iprv;
1266         PAL_CALL_STK(iprv, PAL_MC_ERROR_INJECT, err_type_info,
1267                           err_struct_info, err_data_buffer);
1268         if (capabilities)
1269                 *capabilities= iprv.v0;
1270         if (resources)
1271                 *resources= iprv.v1;
1272         return iprv.status;
1273 }
1274
1275 /* Inform PALE_CHECK whether a machine check is expected so that PALE_CHECK willnot
1276  * attempt to correct any expected machine checks.
1277  */
1278 static inline s64
1279 ia64_pal_mc_expected (u64 expected, u64 *previous)
1280 {
1281         struct ia64_pal_retval iprv;
1282         PAL_CALL(iprv, PAL_MC_EXPECTED, expected, 0, 0);
1283         if (previous)
1284                 *previous = iprv.v0;
1285         return iprv.status;
1286 }
1287
1288 typedef union pal_hw_tracking_u {
1289         u64                     pht_data;
1290         struct {
1291                 u64             itc     :4,     /* Instruction cache tracking */
1292                                 dct     :4,     /* Date cache tracking */
1293                                 itt     :4,     /* Instruction TLB tracking */
1294                                 ddt     :4,     /* Data TLB tracking */
1295                                 reserved:48;
1296         } pal_hw_tracking_s;
1297 } pal_hw_tracking_u_t;
1298
1299 /*
1300  * Hardware tracking status.
1301  */
1302 static inline s64
1303 ia64_pal_mc_hw_tracking (u64 *status)
1304 {
1305         struct ia64_pal_retval iprv;
1306         PAL_CALL(iprv, PAL_MC_HW_TRACKING, 0, 0, 0);
1307         if (status)
1308                 *status = iprv.v0;
1309         return iprv.status;
1310 }
1311
1312 /* Register a platform dependent location with PAL to which it can save
1313  * minimal processor state in the event of a machine check or initialization
1314  * event.
1315  */
1316 static inline s64
1317 ia64_pal_mc_register_mem (u64 physical_addr, u64 size, u64 *req_size)
1318 {
1319         struct ia64_pal_retval iprv;
1320         PAL_CALL(iprv, PAL_MC_REGISTER_MEM, physical_addr, size, 0);
1321         if (req_size)
1322                 *req_size = iprv.v0;
1323         return iprv.status;
1324 }
1325
1326 /* Restore minimal architectural processor state, set CMC interrupt if necessary
1327  * and resume execution
1328  */
1329 static inline s64
1330 ia64_pal_mc_resume (u64 set_cmci, u64 save_ptr)
1331 {
1332         struct ia64_pal_retval iprv;
1333         PAL_CALL(iprv, PAL_MC_RESUME, set_cmci, save_ptr, 0);
1334         return iprv.status;
1335 }
1336
1337 /* Return the memory attributes implemented by the processor */
1338 static inline s64
1339 ia64_pal_mem_attrib (u64 *mem_attrib)
1340 {
1341         struct ia64_pal_retval iprv;
1342         PAL_CALL(iprv, PAL_MEM_ATTRIB, 0, 0, 0);
1343         if (mem_attrib)
1344                 *mem_attrib = iprv.v0 & 0xff;
1345         return iprv.status;
1346 }
1347
1348 /* Return the amount of memory needed for second phase of processor
1349  * self-test and the required alignment of memory.
1350  */
1351 static inline s64
1352 ia64_pal_mem_for_test (u64 *bytes_needed, u64 *alignment)
1353 {
1354         struct ia64_pal_retval iprv;
1355         PAL_CALL(iprv, PAL_MEM_FOR_TEST, 0, 0, 0);
1356         if (bytes_needed)
1357                 *bytes_needed = iprv.v0;
1358         if (alignment)
1359                 *alignment = iprv.v1;
1360         return iprv.status;
1361 }
1362
1363 typedef union pal_perf_mon_info_u {
1364         u64                       ppmi_data;
1365         struct {
1366                u64              generic         : 8,
1367                                 width           : 8,
1368                                 cycles          : 8,
1369                                 retired         : 8,
1370                                 reserved        : 32;
1371         } pal_perf_mon_info_s;
1372 } pal_perf_mon_info_u_t;
1373
1374 /* Return the performance monitor information about what can be counted
1375  * and how to configure the monitors to count the desired events.
1376  */
1377 static inline s64
1378 ia64_pal_perf_mon_info (u64 *pm_buffer, pal_perf_mon_info_u_t *pm_info)
1379 {
1380         struct ia64_pal_retval iprv;
1381         PAL_CALL(iprv, PAL_PERF_MON_INFO, (unsigned long) pm_buffer, 0, 0);
1382         if (pm_info)
1383                 pm_info->ppmi_data = iprv.v0;
1384         return iprv.status;
1385 }
1386
1387 /* Specifies the physical address of the processor interrupt block
1388  * and I/O port space.
1389  */
1390 static inline s64
1391 ia64_pal_platform_addr (u64 type, u64 physical_addr)
1392 {
1393         struct ia64_pal_retval iprv;
1394         PAL_CALL(iprv, PAL_PLATFORM_ADDR, type, physical_addr, 0);
1395         return iprv.status;
1396 }
1397
1398 /* Set the SAL PMI entrypoint in memory */
1399 static inline s64
1400 ia64_pal_pmi_entrypoint (u64 sal_pmi_entry_addr)
1401 {
1402         struct ia64_pal_retval iprv;
1403         PAL_CALL(iprv, PAL_PMI_ENTRYPOINT, sal_pmi_entry_addr, 0, 0);
1404         return iprv.status;
1405 }
1406
1407 struct pal_features_s;
1408 /* Provide information about configurable processor features */
1409 static inline s64
1410 ia64_pal_proc_get_features (u64 *features_avail,
1411                             u64 *features_status,
1412                             u64 *features_control,
1413                             u64 features_set)
1414 {
1415         struct ia64_pal_retval iprv;
1416         PAL_CALL_PHYS(iprv, PAL_PROC_GET_FEATURES, 0, features_set, 0);
1417         if (iprv.status == 0) {
1418                 *features_avail   = iprv.v0;
1419                 *features_status  = iprv.v1;
1420                 *features_control = iprv.v2;
1421         }
1422         return iprv.status;
1423 }
1424
1425 /* Enable/disable processor dependent features */
1426 static inline s64
1427 ia64_pal_proc_set_features (u64 feature_select)
1428 {
1429         struct ia64_pal_retval iprv;
1430         PAL_CALL_PHYS(iprv, PAL_PROC_SET_FEATURES, feature_select, 0, 0);
1431         return iprv.status;
1432 }
1433
1434 /*
1435  * Put everything in a struct so we avoid the global offset table whenever
1436  * possible.
1437  */
1438 typedef struct ia64_ptce_info_s {
1439         unsigned long   base;
1440         u32             count[2];
1441         u32             stride[2];
1442 } ia64_ptce_info_t;
1443
1444 /* Return the information required for the architected loop used to purge
1445  * (initialize) the entire TC
1446  */
1447 static inline s64
1448 ia64_get_ptce (ia64_ptce_info_t *ptce)
1449 {
1450         struct ia64_pal_retval iprv;
1451
1452         if (!ptce)
1453                 return -1;
1454
1455         PAL_CALL(iprv, PAL_PTCE_INFO, 0, 0, 0);
1456         if (iprv.status == 0) {
1457                 ptce->base = iprv.v0;
1458                 ptce->count[0] = iprv.v1 >> 32;
1459                 ptce->count[1] = iprv.v1 & 0xffffffff;
1460                 ptce->stride[0] = iprv.v2 >> 32;
1461                 ptce->stride[1] = iprv.v2 & 0xffffffff;
1462         }
1463         return iprv.status;
1464 }
1465
1466 /* Return info about implemented application and control registers. */
1467 static inline s64
1468 ia64_pal_register_info (u64 info_request, u64 *reg_info_1, u64 *reg_info_2)
1469 {
1470         struct ia64_pal_retval iprv;
1471         PAL_CALL(iprv, PAL_REGISTER_INFO, info_request, 0, 0);
1472         if (reg_info_1)
1473                 *reg_info_1 = iprv.v0;
1474         if (reg_info_2)
1475                 *reg_info_2 = iprv.v1;
1476         return iprv.status;
1477 }
1478
1479 typedef union pal_hints_u {
1480         unsigned long           ph_data;
1481         struct {
1482                unsigned long    si              : 1,
1483                                 li              : 1,
1484                                 reserved        : 62;
1485         } pal_hints_s;
1486 } pal_hints_u_t;
1487
1488 /* Return information about the register stack and RSE for this processor
1489  * implementation.
1490  */
1491 static inline long ia64_pal_rse_info(unsigned long *num_phys_stacked,
1492                                                         pal_hints_u_t *hints)
1493 {
1494         struct ia64_pal_retval iprv;
1495         PAL_CALL(iprv, PAL_RSE_INFO, 0, 0, 0);
1496         if (num_phys_stacked)
1497                 *num_phys_stacked = iprv.v0;
1498         if (hints)
1499                 hints->ph_data = iprv.v1;
1500         return iprv.status;
1501 }
1502
1503 /*
1504  * Set the current hardware resource sharing policy of the processor
1505  */
1506 static inline s64
1507 ia64_pal_set_hw_policy (u64 policy)
1508 {
1509         struct ia64_pal_retval iprv;
1510         PAL_CALL(iprv, PAL_SET_HW_POLICY, policy, 0, 0);
1511         return iprv.status;
1512 }
1513
1514 /* Cause the processor to enter SHUTDOWN state, where prefetching and execution are
1515  * suspended, but cause cache and TLB coherency to be maintained.
1516  * This is usually called in IA-32 mode.
1517  */
1518 static inline s64
1519 ia64_pal_shutdown (void)
1520 {
1521         struct ia64_pal_retval iprv;
1522         PAL_CALL(iprv, PAL_SHUTDOWN, 0, 0, 0);
1523         return iprv.status;
1524 }
1525
1526 /* Perform the second phase of processor self-test. */
1527 static inline s64
1528 ia64_pal_test_proc (u64 test_addr, u64 test_size, u64 attributes, u64 *self_test_state)
1529 {
1530         struct ia64_pal_retval iprv;
1531         PAL_CALL(iprv, PAL_TEST_PROC, test_addr, test_size, attributes);
1532         if (self_test_state)
1533                 *self_test_state = iprv.v0;
1534         return iprv.status;
1535 }
1536
1537 typedef union  pal_version_u {
1538         u64     pal_version_val;
1539         struct {
1540                 u64     pv_pal_b_rev            :       8;
1541                 u64     pv_pal_b_model          :       8;
1542                 u64     pv_reserved1            :       8;
1543                 u64     pv_pal_vendor           :       8;
1544                 u64     pv_pal_a_rev            :       8;
1545                 u64     pv_pal_a_model          :       8;
1546                 u64     pv_reserved2            :       16;
1547         } pal_version_s;
1548 } pal_version_u_t;
1549
1550
1551 /*
1552  * Return PAL version information.  While the documentation states that
1553  * PAL_VERSION can be called in either physical or virtual mode, some
1554  * implementations only allow physical calls.  We don't call it very often,
1555  * so the overhead isn't worth eliminating.
1556  */
1557 static inline s64
1558 ia64_pal_version (pal_version_u_t *pal_min_version, pal_version_u_t *pal_cur_version)
1559 {
1560         struct ia64_pal_retval iprv;
1561         PAL_CALL_PHYS(iprv, PAL_VERSION, 0, 0, 0);
1562         if (pal_min_version)
1563                 pal_min_version->pal_version_val = iprv.v0;
1564
1565         if (pal_cur_version)
1566                 pal_cur_version->pal_version_val = iprv.v1;
1567
1568         return iprv.status;
1569 }
1570
1571 typedef union pal_tc_info_u {
1572         u64                     pti_val;
1573         struct {
1574                u64              num_sets        :       8,
1575                                 associativity   :       8,
1576                                 num_entries     :       16,
1577                                 pf              :       1,
1578                                 unified         :       1,
1579                                 reduce_tr       :       1,
1580                                 reserved        :       29;
1581         } pal_tc_info_s;
1582 } pal_tc_info_u_t;
1583
1584 #define tc_reduce_tr            pal_tc_info_s.reduce_tr
1585 #define tc_unified              pal_tc_info_s.unified
1586 #define tc_pf                   pal_tc_info_s.pf
1587 #define tc_num_entries          pal_tc_info_s.num_entries
1588 #define tc_associativity        pal_tc_info_s.associativity
1589 #define tc_num_sets             pal_tc_info_s.num_sets
1590
1591
1592 /* Return information about the virtual memory characteristics of the processor
1593  * implementation.
1594  */
1595 static inline s64
1596 ia64_pal_vm_info (u64 tc_level, u64 tc_type,  pal_tc_info_u_t *tc_info, u64 *tc_pages)
1597 {
1598         struct ia64_pal_retval iprv;
1599         PAL_CALL(iprv, PAL_VM_INFO, tc_level, tc_type, 0);
1600         if (tc_info)
1601                 tc_info->pti_val = iprv.v0;
1602         if (tc_pages)
1603                 *tc_pages = iprv.v1;
1604         return iprv.status;
1605 }
1606
1607 /* Get page size information about the virtual memory characteristics of the processor
1608  * implementation.
1609  */
1610 static inline s64 ia64_pal_vm_page_size(u64 *tr_pages, u64 *vw_pages)
1611 {
1612         struct ia64_pal_retval iprv;
1613         PAL_CALL(iprv, PAL_VM_PAGE_SIZE, 0, 0, 0);
1614         if (tr_pages)
1615                 *tr_pages = iprv.v0;
1616         if (vw_pages)
1617                 *vw_pages = iprv.v1;
1618         return iprv.status;
1619 }
1620
1621 typedef union pal_vm_info_1_u {
1622         u64                     pvi1_val;
1623         struct {
1624                 u64             vw              : 1,
1625                                 phys_add_size   : 7,
1626                                 key_size        : 8,
1627                                 max_pkr         : 8,
1628                                 hash_tag_id     : 8,
1629                                 max_dtr_entry   : 8,
1630                                 max_itr_entry   : 8,
1631                                 max_unique_tcs  : 8,
1632                                 num_tc_levels   : 8;
1633         } pal_vm_info_1_s;
1634 } pal_vm_info_1_u_t;
1635
1636 #define PAL_MAX_PURGES          0xFFFF          /* all ones is means unlimited */
1637
1638 typedef union pal_vm_info_2_u {
1639         u64                     pvi2_val;
1640         struct {
1641                 u64             impl_va_msb     : 8,
1642                                 rid_size        : 8,
1643                                 max_purges      : 16,
1644                                 reserved        : 32;
1645         } pal_vm_info_2_s;
1646 } pal_vm_info_2_u_t;
1647
1648 /* Get summary information about the virtual memory characteristics of the processor
1649  * implementation.
1650  */
1651 static inline s64
1652 ia64_pal_vm_summary (pal_vm_info_1_u_t *vm_info_1, pal_vm_info_2_u_t *vm_info_2)
1653 {
1654         struct ia64_pal_retval iprv;
1655         PAL_CALL(iprv, PAL_VM_SUMMARY, 0, 0, 0);
1656         if (vm_info_1)
1657                 vm_info_1->pvi1_val = iprv.v0;
1658         if (vm_info_2)
1659                 vm_info_2->pvi2_val = iprv.v1;
1660         return iprv.status;
1661 }
1662
1663 typedef union pal_vp_info_u {
1664         u64                     pvi_val;
1665         struct {
1666                 u64             index:          48,     /* virtual feature set info */
1667                                 vmm_id:         16;     /* feature set id */
1668         } pal_vp_info_s;
1669 } pal_vp_info_u_t;
1670
1671 /*
1672  * Returns infomation about virtual processor features
1673  */
1674 static inline s64
1675 ia64_pal_vp_info (u64 feature_set, u64 vp_buffer, u64 *vp_info, u64 *vmm_id)
1676 {
1677         struct ia64_pal_retval iprv;
1678         PAL_CALL(iprv, PAL_VP_INFO, feature_set, vp_buffer, 0);
1679         if (vp_info)
1680                 *vp_info = iprv.v0;
1681         if (vmm_id)
1682                 *vmm_id = iprv.v1;
1683         return iprv.status;
1684 }
1685
1686 typedef union pal_itr_valid_u {
1687         u64                     piv_val;
1688         struct {
1689                u64              access_rights_valid     : 1,
1690                                 priv_level_valid        : 1,
1691                                 dirty_bit_valid         : 1,
1692                                 mem_attr_valid          : 1,
1693                                 reserved                : 60;
1694         } pal_tr_valid_s;
1695 } pal_tr_valid_u_t;
1696
1697 /* Read a translation register */
1698 static inline s64
1699 ia64_pal_tr_read (u64 reg_num, u64 tr_type, u64 *tr_buffer, pal_tr_valid_u_t *tr_valid)
1700 {
1701         struct ia64_pal_retval iprv;
1702         PAL_CALL_PHYS_STK(iprv, PAL_VM_TR_READ, reg_num, tr_type,(u64)ia64_tpa(tr_buffer));
1703         if (tr_valid)
1704                 tr_valid->piv_val = iprv.v0;
1705         return iprv.status;
1706 }
1707
1708 /*
1709  * PAL_PREFETCH_VISIBILITY transaction types
1710  */
1711 #define PAL_VISIBILITY_VIRTUAL          0
1712 #define PAL_VISIBILITY_PHYSICAL         1
1713
1714 /*
1715  * PAL_PREFETCH_VISIBILITY return codes
1716  */
1717 #define PAL_VISIBILITY_OK               1
1718 #define PAL_VISIBILITY_OK_REMOTE_NEEDED 0
1719 #define PAL_VISIBILITY_INVAL_ARG        -2
1720 #define PAL_VISIBILITY_ERROR            -3
1721
1722 static inline s64
1723 ia64_pal_prefetch_visibility (s64 trans_type)
1724 {
1725         struct ia64_pal_retval iprv;
1726         PAL_CALL(iprv, PAL_PREFETCH_VISIBILITY, trans_type, 0, 0);
1727         return iprv.status;
1728 }
1729
1730 /* data structure for getting information on logical to physical mappings */
1731 typedef union pal_log_overview_u {
1732         struct {
1733                 u64     num_log         :16,    /* Total number of logical
1734                                                  * processors on this die
1735                                                  */
1736                         tpc             :8,     /* Threads per core */
1737                         reserved3       :8,     /* Reserved */
1738                         cpp             :8,     /* Cores per processor */
1739                         reserved2       :8,     /* Reserved */
1740                         ppid            :8,     /* Physical processor ID */
1741                         reserved1       :8;     /* Reserved */
1742         } overview_bits;
1743         u64 overview_data;
1744 } pal_log_overview_t;
1745
1746 typedef union pal_proc_n_log_info1_u{
1747         struct {
1748                 u64     tid             :16,    /* Thread id */
1749                         reserved2       :16,    /* Reserved */
1750                         cid             :16,    /* Core id */
1751                         reserved1       :16;    /* Reserved */
1752         } ppli1_bits;
1753         u64     ppli1_data;
1754 } pal_proc_n_log_info1_t;
1755
1756 typedef union pal_proc_n_log_info2_u {
1757         struct {
1758                 u64     la              :16,    /* Logical address */
1759                         reserved        :48;    /* Reserved */
1760         } ppli2_bits;
1761         u64     ppli2_data;
1762 } pal_proc_n_log_info2_t;
1763
1764 typedef struct pal_logical_to_physical_s
1765 {
1766         pal_log_overview_t overview;
1767         pal_proc_n_log_info1_t ppli1;
1768         pal_proc_n_log_info2_t ppli2;
1769 } pal_logical_to_physical_t;
1770
1771 #define overview_num_log        overview.overview_bits.num_log
1772 #define overview_tpc            overview.overview_bits.tpc
1773 #define overview_cpp            overview.overview_bits.cpp
1774 #define overview_ppid           overview.overview_bits.ppid
1775 #define log1_tid                ppli1.ppli1_bits.tid
1776 #define log1_cid                ppli1.ppli1_bits.cid
1777 #define log2_la                 ppli2.ppli2_bits.la
1778
1779 /* Get information on logical to physical processor mappings. */
1780 static inline s64
1781 ia64_pal_logical_to_phys(u64 proc_number, pal_logical_to_physical_t *mapping)
1782 {
1783         struct ia64_pal_retval iprv;
1784
1785         PAL_CALL(iprv, PAL_LOGICAL_TO_PHYSICAL, proc_number, 0, 0);
1786
1787         if (iprv.status == PAL_STATUS_SUCCESS)
1788         {
1789                 mapping->overview.overview_data = iprv.v0;
1790                 mapping->ppli1.ppli1_data = iprv.v1;
1791                 mapping->ppli2.ppli2_data = iprv.v2;
1792         }
1793
1794         return iprv.status;
1795 }
1796
1797 typedef struct pal_cache_shared_info_s
1798 {
1799         u64 num_shared;
1800         pal_proc_n_log_info1_t ppli1;
1801         pal_proc_n_log_info2_t ppli2;
1802 } pal_cache_shared_info_t;
1803
1804 /* Get information on logical to physical processor mappings. */
1805 static inline s64
1806 ia64_pal_cache_shared_info(u64 level,
1807                 u64 type,
1808                 u64 proc_number,
1809                 pal_cache_shared_info_t *info)
1810 {
1811         struct ia64_pal_retval iprv;
1812
1813         PAL_CALL(iprv, PAL_CACHE_SHARED_INFO, level, type, proc_number);
1814
1815         if (iprv.status == PAL_STATUS_SUCCESS) {
1816                 info->num_shared = iprv.v0;
1817                 info->ppli1.ppli1_data = iprv.v1;
1818                 info->ppli2.ppli2_data = iprv.v2;
1819         }
1820
1821         return iprv.status;
1822 }
1823 #endif /* __ASSEMBLY__ */
1824
1825 #endif /* _ASM_IA64_PAL_H */