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