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