Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | #ifndef _ASM_IA64_SN_SN_SAL_H |
| 2 | #define _ASM_IA64_SN_SN_SAL_H |
| 3 | |
| 4 | /* |
| 5 | * System Abstraction Layer definitions for IA64 |
| 6 | * |
| 7 | * This file is subject to the terms and conditions of the GNU General Public |
| 8 | * License. See the file "COPYING" in the main directory of this archive |
| 9 | * for more details. |
| 10 | * |
| 11 | * Copyright (c) 2000-2004 Silicon Graphics, Inc. All rights reserved. |
| 12 | */ |
| 13 | |
| 14 | |
| 15 | #include <linux/config.h> |
| 16 | #include <asm/sal.h> |
| 17 | #include <asm/sn/sn_cpuid.h> |
| 18 | #include <asm/sn/arch.h> |
| 19 | #include <asm/sn/geo.h> |
| 20 | #include <asm/sn/nodepda.h> |
| 21 | #include <asm/sn/shub_mmr.h> |
| 22 | |
| 23 | // SGI Specific Calls |
| 24 | #define SN_SAL_POD_MODE 0x02000001 |
| 25 | #define SN_SAL_SYSTEM_RESET 0x02000002 |
| 26 | #define SN_SAL_PROBE 0x02000003 |
| 27 | #define SN_SAL_GET_MASTER_NASID 0x02000004 |
| 28 | #define SN_SAL_GET_KLCONFIG_ADDR 0x02000005 |
| 29 | #define SN_SAL_LOG_CE 0x02000006 |
| 30 | #define SN_SAL_REGISTER_CE 0x02000007 |
| 31 | #define SN_SAL_GET_PARTITION_ADDR 0x02000009 |
| 32 | #define SN_SAL_XP_ADDR_REGION 0x0200000f |
| 33 | #define SN_SAL_NO_FAULT_ZONE_VIRTUAL 0x02000010 |
| 34 | #define SN_SAL_NO_FAULT_ZONE_PHYSICAL 0x02000011 |
| 35 | #define SN_SAL_PRINT_ERROR 0x02000012 |
| 36 | #define SN_SAL_SET_ERROR_HANDLING_FEATURES 0x0200001a // reentrant |
| 37 | #define SN_SAL_GET_FIT_COMPT 0x0200001b // reentrant |
| 38 | #define SN_SAL_GET_SN_INFO 0x0200001c |
| 39 | #define SN_SAL_GET_SAPIC_INFO 0x0200001d |
| 40 | #define SN_SAL_CONSOLE_PUTC 0x02000021 |
| 41 | #define SN_SAL_CONSOLE_GETC 0x02000022 |
| 42 | #define SN_SAL_CONSOLE_PUTS 0x02000023 |
| 43 | #define SN_SAL_CONSOLE_GETS 0x02000024 |
| 44 | #define SN_SAL_CONSOLE_GETS_TIMEOUT 0x02000025 |
| 45 | #define SN_SAL_CONSOLE_POLL 0x02000026 |
| 46 | #define SN_SAL_CONSOLE_INTR 0x02000027 |
| 47 | #define SN_SAL_CONSOLE_PUTB 0x02000028 |
| 48 | #define SN_SAL_CONSOLE_XMIT_CHARS 0x0200002a |
| 49 | #define SN_SAL_CONSOLE_READC 0x0200002b |
| 50 | #define SN_SAL_SYSCTL_MODID_GET 0x02000031 |
| 51 | #define SN_SAL_SYSCTL_GET 0x02000032 |
| 52 | #define SN_SAL_SYSCTL_IOBRICK_MODULE_GET 0x02000033 |
| 53 | #define SN_SAL_SYSCTL_IO_PORTSPEED_GET 0x02000035 |
| 54 | #define SN_SAL_SYSCTL_SLAB_GET 0x02000036 |
| 55 | #define SN_SAL_BUS_CONFIG 0x02000037 |
| 56 | #define SN_SAL_SYS_SERIAL_GET 0x02000038 |
| 57 | #define SN_SAL_PARTITION_SERIAL_GET 0x02000039 |
| 58 | #define SN_SAL_SYSCTL_PARTITION_GET 0x0200003a |
| 59 | #define SN_SAL_SYSTEM_POWER_DOWN 0x0200003b |
| 60 | #define SN_SAL_GET_MASTER_BASEIO_NASID 0x0200003c |
| 61 | #define SN_SAL_COHERENCE 0x0200003d |
| 62 | #define SN_SAL_MEMPROTECT 0x0200003e |
| 63 | #define SN_SAL_SYSCTL_FRU_CAPTURE 0x0200003f |
| 64 | |
| 65 | #define SN_SAL_SYSCTL_IOBRICK_PCI_OP 0x02000042 // reentrant |
| 66 | #define SN_SAL_IROUTER_OP 0x02000043 |
| 67 | #define SN_SAL_IOIF_INTERRUPT 0x0200004a |
| 68 | #define SN_SAL_HWPERF_OP 0x02000050 // lock |
| 69 | #define SN_SAL_IOIF_ERROR_INTERRUPT 0x02000051 |
| 70 | |
| 71 | #define SN_SAL_IOIF_SLOT_ENABLE 0x02000053 |
| 72 | #define SN_SAL_IOIF_SLOT_DISABLE 0x02000054 |
| 73 | #define SN_SAL_IOIF_GET_HUBDEV_INFO 0x02000055 |
| 74 | #define SN_SAL_IOIF_GET_PCIBUS_INFO 0x02000056 |
| 75 | #define SN_SAL_IOIF_GET_PCIDEV_INFO 0x02000057 |
| 76 | #define SN_SAL_IOIF_GET_WIDGET_DMAFLUSH_LIST 0x02000058 |
| 77 | |
| 78 | #define SN_SAL_HUB_ERROR_INTERRUPT 0x02000060 |
| 79 | |
| 80 | |
| 81 | /* |
| 82 | * Service-specific constants |
| 83 | */ |
| 84 | |
| 85 | /* Console interrupt manipulation */ |
| 86 | /* action codes */ |
| 87 | #define SAL_CONSOLE_INTR_OFF 0 /* turn the interrupt off */ |
| 88 | #define SAL_CONSOLE_INTR_ON 1 /* turn the interrupt on */ |
| 89 | #define SAL_CONSOLE_INTR_STATUS 2 /* retrieve the interrupt status */ |
| 90 | /* interrupt specification & status return codes */ |
| 91 | #define SAL_CONSOLE_INTR_XMIT 1 /* output interrupt */ |
| 92 | #define SAL_CONSOLE_INTR_RECV 2 /* input interrupt */ |
| 93 | |
| 94 | /* interrupt handling */ |
| 95 | #define SAL_INTR_ALLOC 1 |
| 96 | #define SAL_INTR_FREE 2 |
| 97 | |
| 98 | /* |
| 99 | * IRouter (i.e. generalized system controller) operations |
| 100 | */ |
| 101 | #define SAL_IROUTER_OPEN 0 /* open a subchannel */ |
| 102 | #define SAL_IROUTER_CLOSE 1 /* close a subchannel */ |
| 103 | #define SAL_IROUTER_SEND 2 /* send part of an IRouter packet */ |
| 104 | #define SAL_IROUTER_RECV 3 /* receive part of an IRouter packet */ |
| 105 | #define SAL_IROUTER_INTR_STATUS 4 /* check the interrupt status for |
| 106 | * an open subchannel |
| 107 | */ |
| 108 | #define SAL_IROUTER_INTR_ON 5 /* enable an interrupt */ |
| 109 | #define SAL_IROUTER_INTR_OFF 6 /* disable an interrupt */ |
| 110 | #define SAL_IROUTER_INIT 7 /* initialize IRouter driver */ |
| 111 | |
| 112 | /* IRouter interrupt mask bits */ |
| 113 | #define SAL_IROUTER_INTR_XMIT SAL_CONSOLE_INTR_XMIT |
| 114 | #define SAL_IROUTER_INTR_RECV SAL_CONSOLE_INTR_RECV |
| 115 | |
| 116 | |
| 117 | /* |
| 118 | * SAL Error Codes |
| 119 | */ |
| 120 | #define SALRET_MORE_PASSES 1 |
| 121 | #define SALRET_OK 0 |
| 122 | #define SALRET_NOT_IMPLEMENTED (-1) |
| 123 | #define SALRET_INVALID_ARG (-2) |
| 124 | #define SALRET_ERROR (-3) |
| 125 | |
| 126 | |
| 127 | /** |
| 128 | * sn_sal_rev_major - get the major SGI SAL revision number |
| 129 | * |
| 130 | * The SGI PROM stores its version in sal_[ab]_rev_(major|minor). |
| 131 | * This routine simply extracts the major value from the |
| 132 | * @ia64_sal_systab structure constructed by ia64_sal_init(). |
| 133 | */ |
| 134 | static inline int |
| 135 | sn_sal_rev_major(void) |
| 136 | { |
| 137 | struct ia64_sal_systab *systab = efi.sal_systab; |
| 138 | |
| 139 | return (int)systab->sal_b_rev_major; |
| 140 | } |
| 141 | |
| 142 | /** |
| 143 | * sn_sal_rev_minor - get the minor SGI SAL revision number |
| 144 | * |
| 145 | * The SGI PROM stores its version in sal_[ab]_rev_(major|minor). |
| 146 | * This routine simply extracts the minor value from the |
| 147 | * @ia64_sal_systab structure constructed by ia64_sal_init(). |
| 148 | */ |
| 149 | static inline int |
| 150 | sn_sal_rev_minor(void) |
| 151 | { |
| 152 | struct ia64_sal_systab *systab = efi.sal_systab; |
| 153 | |
| 154 | return (int)systab->sal_b_rev_minor; |
| 155 | } |
| 156 | |
| 157 | /* |
| 158 | * Specify the minimum PROM revsion required for this kernel. |
| 159 | * Note that they're stored in hex format... |
| 160 | */ |
| 161 | #define SN_SAL_MIN_MAJOR 0x4 /* SN2 kernels need at least PROM 4.0 */ |
| 162 | #define SN_SAL_MIN_MINOR 0x0 |
| 163 | |
| 164 | /* |
| 165 | * Returns the master console nasid, if the call fails, return an illegal |
| 166 | * value. |
| 167 | */ |
| 168 | static inline u64 |
| 169 | ia64_sn_get_console_nasid(void) |
| 170 | { |
| 171 | struct ia64_sal_retval ret_stuff; |
| 172 | |
| 173 | ret_stuff.status = 0; |
| 174 | ret_stuff.v0 = 0; |
| 175 | ret_stuff.v1 = 0; |
| 176 | ret_stuff.v2 = 0; |
| 177 | SAL_CALL(ret_stuff, SN_SAL_GET_MASTER_NASID, 0, 0, 0, 0, 0, 0, 0); |
| 178 | |
| 179 | if (ret_stuff.status < 0) |
| 180 | return ret_stuff.status; |
| 181 | |
| 182 | /* Master console nasid is in 'v0' */ |
| 183 | return ret_stuff.v0; |
| 184 | } |
| 185 | |
| 186 | /* |
| 187 | * Returns the master baseio nasid, if the call fails, return an illegal |
| 188 | * value. |
| 189 | */ |
| 190 | static inline u64 |
| 191 | ia64_sn_get_master_baseio_nasid(void) |
| 192 | { |
| 193 | struct ia64_sal_retval ret_stuff; |
| 194 | |
| 195 | ret_stuff.status = 0; |
| 196 | ret_stuff.v0 = 0; |
| 197 | ret_stuff.v1 = 0; |
| 198 | ret_stuff.v2 = 0; |
| 199 | SAL_CALL(ret_stuff, SN_SAL_GET_MASTER_BASEIO_NASID, 0, 0, 0, 0, 0, 0, 0); |
| 200 | |
| 201 | if (ret_stuff.status < 0) |
| 202 | return ret_stuff.status; |
| 203 | |
| 204 | /* Master baseio nasid is in 'v0' */ |
| 205 | return ret_stuff.v0; |
| 206 | } |
| 207 | |
| 208 | static inline char * |
| 209 | ia64_sn_get_klconfig_addr(nasid_t nasid) |
| 210 | { |
| 211 | struct ia64_sal_retval ret_stuff; |
| 212 | int cnodeid; |
| 213 | |
| 214 | cnodeid = nasid_to_cnodeid(nasid); |
| 215 | ret_stuff.status = 0; |
| 216 | ret_stuff.v0 = 0; |
| 217 | ret_stuff.v1 = 0; |
| 218 | ret_stuff.v2 = 0; |
| 219 | SAL_CALL(ret_stuff, SN_SAL_GET_KLCONFIG_ADDR, (u64)nasid, 0, 0, 0, 0, 0, 0); |
| 220 | |
| 221 | /* |
| 222 | * We should panic if a valid cnode nasid does not produce |
| 223 | * a klconfig address. |
| 224 | */ |
| 225 | if (ret_stuff.status != 0) { |
| 226 | panic("ia64_sn_get_klconfig_addr: Returned error %lx\n", ret_stuff.status); |
| 227 | } |
| 228 | return ret_stuff.v0 ? __va(ret_stuff.v0) : NULL; |
| 229 | } |
| 230 | |
| 231 | /* |
| 232 | * Returns the next console character. |
| 233 | */ |
| 234 | static inline u64 |
| 235 | ia64_sn_console_getc(int *ch) |
| 236 | { |
| 237 | struct ia64_sal_retval ret_stuff; |
| 238 | |
| 239 | ret_stuff.status = 0; |
| 240 | ret_stuff.v0 = 0; |
| 241 | ret_stuff.v1 = 0; |
| 242 | ret_stuff.v2 = 0; |
| 243 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_GETC, 0, 0, 0, 0, 0, 0, 0); |
| 244 | |
| 245 | /* character is in 'v0' */ |
| 246 | *ch = (int)ret_stuff.v0; |
| 247 | |
| 248 | return ret_stuff.status; |
| 249 | } |
| 250 | |
| 251 | /* |
| 252 | * Read a character from the SAL console device, after a previous interrupt |
| 253 | * or poll operation has given us to know that a character is available |
| 254 | * to be read. |
| 255 | */ |
| 256 | static inline u64 |
| 257 | ia64_sn_console_readc(void) |
| 258 | { |
| 259 | struct ia64_sal_retval ret_stuff; |
| 260 | |
| 261 | ret_stuff.status = 0; |
| 262 | ret_stuff.v0 = 0; |
| 263 | ret_stuff.v1 = 0; |
| 264 | ret_stuff.v2 = 0; |
| 265 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_READC, 0, 0, 0, 0, 0, 0, 0); |
| 266 | |
| 267 | /* character is in 'v0' */ |
| 268 | return ret_stuff.v0; |
| 269 | } |
| 270 | |
| 271 | /* |
| 272 | * Sends the given character to the console. |
| 273 | */ |
| 274 | static inline u64 |
| 275 | ia64_sn_console_putc(char ch) |
| 276 | { |
| 277 | struct ia64_sal_retval ret_stuff; |
| 278 | |
| 279 | ret_stuff.status = 0; |
| 280 | ret_stuff.v0 = 0; |
| 281 | ret_stuff.v1 = 0; |
| 282 | ret_stuff.v2 = 0; |
| 283 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_PUTC, (uint64_t)ch, 0, 0, 0, 0, 0, 0); |
| 284 | |
| 285 | return ret_stuff.status; |
| 286 | } |
| 287 | |
| 288 | /* |
| 289 | * Sends the given buffer to the console. |
| 290 | */ |
| 291 | static inline u64 |
| 292 | ia64_sn_console_putb(const char *buf, int len) |
| 293 | { |
| 294 | struct ia64_sal_retval ret_stuff; |
| 295 | |
| 296 | ret_stuff.status = 0; |
| 297 | ret_stuff.v0 = 0; |
| 298 | ret_stuff.v1 = 0; |
| 299 | ret_stuff.v2 = 0; |
| 300 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_PUTB, (uint64_t)buf, (uint64_t)len, 0, 0, 0, 0, 0); |
| 301 | |
| 302 | if ( ret_stuff.status == 0 ) { |
| 303 | return ret_stuff.v0; |
| 304 | } |
| 305 | return (u64)0; |
| 306 | } |
| 307 | |
| 308 | /* |
| 309 | * Print a platform error record |
| 310 | */ |
| 311 | static inline u64 |
| 312 | ia64_sn_plat_specific_err_print(int (*hook)(const char*, ...), char *rec) |
| 313 | { |
| 314 | struct ia64_sal_retval ret_stuff; |
| 315 | |
| 316 | ret_stuff.status = 0; |
| 317 | ret_stuff.v0 = 0; |
| 318 | ret_stuff.v1 = 0; |
| 319 | ret_stuff.v2 = 0; |
| 320 | SAL_CALL_REENTRANT(ret_stuff, SN_SAL_PRINT_ERROR, (uint64_t)hook, (uint64_t)rec, 0, 0, 0, 0, 0); |
| 321 | |
| 322 | return ret_stuff.status; |
| 323 | } |
| 324 | |
| 325 | /* |
| 326 | * Check for Platform errors |
| 327 | */ |
| 328 | static inline u64 |
| 329 | ia64_sn_plat_cpei_handler(void) |
| 330 | { |
| 331 | struct ia64_sal_retval ret_stuff; |
| 332 | |
| 333 | ret_stuff.status = 0; |
| 334 | ret_stuff.v0 = 0; |
| 335 | ret_stuff.v1 = 0; |
| 336 | ret_stuff.v2 = 0; |
| 337 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_LOG_CE, 0, 0, 0, 0, 0, 0, 0); |
| 338 | |
| 339 | return ret_stuff.status; |
| 340 | } |
| 341 | |
| 342 | /* |
| 343 | * Checks for console input. |
| 344 | */ |
| 345 | static inline u64 |
| 346 | ia64_sn_console_check(int *result) |
| 347 | { |
| 348 | struct ia64_sal_retval ret_stuff; |
| 349 | |
| 350 | ret_stuff.status = 0; |
| 351 | ret_stuff.v0 = 0; |
| 352 | ret_stuff.v1 = 0; |
| 353 | ret_stuff.v2 = 0; |
| 354 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_POLL, 0, 0, 0, 0, 0, 0, 0); |
| 355 | |
| 356 | /* result is in 'v0' */ |
| 357 | *result = (int)ret_stuff.v0; |
| 358 | |
| 359 | return ret_stuff.status; |
| 360 | } |
| 361 | |
| 362 | /* |
| 363 | * Checks console interrupt status |
| 364 | */ |
| 365 | static inline u64 |
| 366 | ia64_sn_console_intr_status(void) |
| 367 | { |
| 368 | struct ia64_sal_retval ret_stuff; |
| 369 | |
| 370 | ret_stuff.status = 0; |
| 371 | ret_stuff.v0 = 0; |
| 372 | ret_stuff.v1 = 0; |
| 373 | ret_stuff.v2 = 0; |
| 374 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_INTR, |
| 375 | 0, SAL_CONSOLE_INTR_STATUS, |
| 376 | 0, 0, 0, 0, 0); |
| 377 | |
| 378 | if (ret_stuff.status == 0) { |
| 379 | return ret_stuff.v0; |
| 380 | } |
| 381 | |
| 382 | return 0; |
| 383 | } |
| 384 | |
| 385 | /* |
| 386 | * Enable an interrupt on the SAL console device. |
| 387 | */ |
| 388 | static inline void |
| 389 | ia64_sn_console_intr_enable(uint64_t intr) |
| 390 | { |
| 391 | struct ia64_sal_retval ret_stuff; |
| 392 | |
| 393 | ret_stuff.status = 0; |
| 394 | ret_stuff.v0 = 0; |
| 395 | ret_stuff.v1 = 0; |
| 396 | ret_stuff.v2 = 0; |
| 397 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_INTR, |
| 398 | intr, SAL_CONSOLE_INTR_ON, |
| 399 | 0, 0, 0, 0, 0); |
| 400 | } |
| 401 | |
| 402 | /* |
| 403 | * Disable an interrupt on the SAL console device. |
| 404 | */ |
| 405 | static inline void |
| 406 | ia64_sn_console_intr_disable(uint64_t intr) |
| 407 | { |
| 408 | struct ia64_sal_retval ret_stuff; |
| 409 | |
| 410 | ret_stuff.status = 0; |
| 411 | ret_stuff.v0 = 0; |
| 412 | ret_stuff.v1 = 0; |
| 413 | ret_stuff.v2 = 0; |
| 414 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_INTR, |
| 415 | intr, SAL_CONSOLE_INTR_OFF, |
| 416 | 0, 0, 0, 0, 0); |
| 417 | } |
| 418 | |
| 419 | /* |
| 420 | * Sends a character buffer to the console asynchronously. |
| 421 | */ |
| 422 | static inline u64 |
| 423 | ia64_sn_console_xmit_chars(char *buf, int len) |
| 424 | { |
| 425 | struct ia64_sal_retval ret_stuff; |
| 426 | |
| 427 | ret_stuff.status = 0; |
| 428 | ret_stuff.v0 = 0; |
| 429 | ret_stuff.v1 = 0; |
| 430 | ret_stuff.v2 = 0; |
| 431 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_XMIT_CHARS, |
| 432 | (uint64_t)buf, (uint64_t)len, |
| 433 | 0, 0, 0, 0, 0); |
| 434 | |
| 435 | if (ret_stuff.status == 0) { |
| 436 | return ret_stuff.v0; |
| 437 | } |
| 438 | |
| 439 | return 0; |
| 440 | } |
| 441 | |
| 442 | /* |
| 443 | * Returns the iobrick module Id |
| 444 | */ |
| 445 | static inline u64 |
| 446 | ia64_sn_sysctl_iobrick_module_get(nasid_t nasid, int *result) |
| 447 | { |
| 448 | struct ia64_sal_retval ret_stuff; |
| 449 | |
| 450 | ret_stuff.status = 0; |
| 451 | ret_stuff.v0 = 0; |
| 452 | ret_stuff.v1 = 0; |
| 453 | ret_stuff.v2 = 0; |
| 454 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_SYSCTL_IOBRICK_MODULE_GET, nasid, 0, 0, 0, 0, 0, 0); |
| 455 | |
| 456 | /* result is in 'v0' */ |
| 457 | *result = (int)ret_stuff.v0; |
| 458 | |
| 459 | return ret_stuff.status; |
| 460 | } |
| 461 | |
| 462 | /** |
| 463 | * ia64_sn_pod_mode - call the SN_SAL_POD_MODE function |
| 464 | * |
| 465 | * SN_SAL_POD_MODE actually takes an argument, but it's always |
| 466 | * 0 when we call it from the kernel, so we don't have to expose |
| 467 | * it to the caller. |
| 468 | */ |
| 469 | static inline u64 |
| 470 | ia64_sn_pod_mode(void) |
| 471 | { |
| 472 | struct ia64_sal_retval isrv; |
| 473 | SAL_CALL(isrv, SN_SAL_POD_MODE, 0, 0, 0, 0, 0, 0, 0); |
| 474 | if (isrv.status) |
| 475 | return 0; |
| 476 | return isrv.v0; |
| 477 | } |
| 478 | |
| 479 | /** |
| 480 | * ia64_sn_probe_mem - read from memory safely |
| 481 | * @addr: address to probe |
| 482 | * @size: number bytes to read (1,2,4,8) |
| 483 | * @data_ptr: address to store value read by probe (-1 returned if probe fails) |
| 484 | * |
| 485 | * Call into the SAL to do a memory read. If the read generates a machine |
| 486 | * check, this routine will recover gracefully and return -1 to the caller. |
| 487 | * @addr is usually a kernel virtual address in uncached space (i.e. the |
| 488 | * address starts with 0xc), but if called in physical mode, @addr should |
| 489 | * be a physical address. |
| 490 | * |
| 491 | * Return values: |
| 492 | * 0 - probe successful |
| 493 | * 1 - probe failed (generated MCA) |
| 494 | * 2 - Bad arg |
| 495 | * <0 - PAL error |
| 496 | */ |
| 497 | static inline u64 |
| 498 | ia64_sn_probe_mem(long addr, long size, void *data_ptr) |
| 499 | { |
| 500 | struct ia64_sal_retval isrv; |
| 501 | |
| 502 | SAL_CALL(isrv, SN_SAL_PROBE, addr, size, 0, 0, 0, 0, 0); |
| 503 | |
| 504 | if (data_ptr) { |
| 505 | switch (size) { |
| 506 | case 1: |
| 507 | *((u8*)data_ptr) = (u8)isrv.v0; |
| 508 | break; |
| 509 | case 2: |
| 510 | *((u16*)data_ptr) = (u16)isrv.v0; |
| 511 | break; |
| 512 | case 4: |
| 513 | *((u32*)data_ptr) = (u32)isrv.v0; |
| 514 | break; |
| 515 | case 8: |
| 516 | *((u64*)data_ptr) = (u64)isrv.v0; |
| 517 | break; |
| 518 | default: |
| 519 | isrv.status = 2; |
| 520 | } |
| 521 | } |
| 522 | return isrv.status; |
| 523 | } |
| 524 | |
| 525 | /* |
| 526 | * Retrieve the system serial number as an ASCII string. |
| 527 | */ |
| 528 | static inline u64 |
| 529 | ia64_sn_sys_serial_get(char *buf) |
| 530 | { |
| 531 | struct ia64_sal_retval ret_stuff; |
| 532 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_SYS_SERIAL_GET, buf, 0, 0, 0, 0, 0, 0); |
| 533 | return ret_stuff.status; |
| 534 | } |
| 535 | |
| 536 | extern char sn_system_serial_number_string[]; |
| 537 | extern u64 sn_partition_serial_number; |
| 538 | |
| 539 | static inline char * |
| 540 | sn_system_serial_number(void) { |
| 541 | if (sn_system_serial_number_string[0]) { |
| 542 | return(sn_system_serial_number_string); |
| 543 | } else { |
| 544 | ia64_sn_sys_serial_get(sn_system_serial_number_string); |
| 545 | return(sn_system_serial_number_string); |
| 546 | } |
| 547 | } |
| 548 | |
| 549 | |
| 550 | /* |
| 551 | * Returns a unique id number for this system and partition (suitable for |
| 552 | * use with license managers), based in part on the system serial number. |
| 553 | */ |
| 554 | static inline u64 |
| 555 | ia64_sn_partition_serial_get(void) |
| 556 | { |
| 557 | struct ia64_sal_retval ret_stuff; |
| 558 | SAL_CALL(ret_stuff, SN_SAL_PARTITION_SERIAL_GET, 0, 0, 0, 0, 0, 0, 0); |
| 559 | if (ret_stuff.status != 0) |
| 560 | return 0; |
| 561 | return ret_stuff.v0; |
| 562 | } |
| 563 | |
| 564 | static inline u64 |
| 565 | sn_partition_serial_number_val(void) { |
| 566 | if (sn_partition_serial_number) { |
| 567 | return(sn_partition_serial_number); |
| 568 | } else { |
| 569 | return(sn_partition_serial_number = ia64_sn_partition_serial_get()); |
| 570 | } |
| 571 | } |
| 572 | |
| 573 | /* |
| 574 | * Returns the partition id of the nasid passed in as an argument, |
| 575 | * or INVALID_PARTID if the partition id cannot be retrieved. |
| 576 | */ |
| 577 | static inline partid_t |
| 578 | ia64_sn_sysctl_partition_get(nasid_t nasid) |
| 579 | { |
| 580 | struct ia64_sal_retval ret_stuff; |
| 581 | SAL_CALL(ret_stuff, SN_SAL_SYSCTL_PARTITION_GET, nasid, |
| 582 | 0, 0, 0, 0, 0, 0); |
| 583 | if (ret_stuff.status != 0) |
| 584 | return INVALID_PARTID; |
| 585 | return ((partid_t)ret_stuff.v0); |
| 586 | } |
| 587 | |
| 588 | /* |
| 589 | * Returns the partition id of the current processor. |
| 590 | */ |
| 591 | |
| 592 | extern partid_t sn_partid; |
| 593 | |
| 594 | static inline partid_t |
| 595 | sn_local_partid(void) { |
| 596 | if (sn_partid < 0) { |
| 597 | return (sn_partid = ia64_sn_sysctl_partition_get(cpuid_to_nasid(smp_processor_id()))); |
| 598 | } else { |
| 599 | return sn_partid; |
| 600 | } |
| 601 | } |
| 602 | |
| 603 | /* |
| 604 | * Register or unregister a physical address range being referenced across |
| 605 | * a partition boundary for which certain SAL errors should be scanned for, |
| 606 | * cleaned up and ignored. This is of value for kernel partitioning code only. |
| 607 | * Values for the operation argument: |
| 608 | * 1 = register this address range with SAL |
| 609 | * 0 = unregister this address range with SAL |
| 610 | * |
| 611 | * SAL maintains a reference count on an address range in case it is registered |
| 612 | * multiple times. |
| 613 | * |
| 614 | * On success, returns the reference count of the address range after the SAL |
| 615 | * call has performed the current registration/unregistration. Returns a |
| 616 | * negative value if an error occurred. |
| 617 | */ |
| 618 | static inline int |
| 619 | sn_register_xp_addr_region(u64 paddr, u64 len, int operation) |
| 620 | { |
| 621 | struct ia64_sal_retval ret_stuff; |
| 622 | SAL_CALL(ret_stuff, SN_SAL_XP_ADDR_REGION, paddr, len, (u64)operation, |
| 623 | 0, 0, 0, 0); |
| 624 | return ret_stuff.status; |
| 625 | } |
| 626 | |
| 627 | /* |
| 628 | * Register or unregister an instruction range for which SAL errors should |
| 629 | * be ignored. If an error occurs while in the registered range, SAL jumps |
| 630 | * to return_addr after ignoring the error. Values for the operation argument: |
| 631 | * 1 = register this instruction range with SAL |
| 632 | * 0 = unregister this instruction range with SAL |
| 633 | * |
| 634 | * Returns 0 on success, or a negative value if an error occurred. |
| 635 | */ |
| 636 | static inline int |
| 637 | sn_register_nofault_code(u64 start_addr, u64 end_addr, u64 return_addr, |
| 638 | int virtual, int operation) |
| 639 | { |
| 640 | struct ia64_sal_retval ret_stuff; |
| 641 | u64 call; |
| 642 | if (virtual) { |
| 643 | call = SN_SAL_NO_FAULT_ZONE_VIRTUAL; |
| 644 | } else { |
| 645 | call = SN_SAL_NO_FAULT_ZONE_PHYSICAL; |
| 646 | } |
| 647 | SAL_CALL(ret_stuff, call, start_addr, end_addr, return_addr, (u64)1, |
| 648 | 0, 0, 0); |
| 649 | return ret_stuff.status; |
| 650 | } |
| 651 | |
| 652 | /* |
| 653 | * Change or query the coherence domain for this partition. Each cpu-based |
| 654 | * nasid is represented by a bit in an array of 64-bit words: |
| 655 | * 0 = not in this partition's coherency domain |
| 656 | * 1 = in this partition's coherency domain |
| 657 | * |
| 658 | * It is not possible for the local system's nasids to be removed from |
| 659 | * the coherency domain. Purpose of the domain arguments: |
| 660 | * new_domain = set the coherence domain to the given nasids |
| 661 | * old_domain = return the current coherence domain |
| 662 | * |
| 663 | * Returns 0 on success, or a negative value if an error occurred. |
| 664 | */ |
| 665 | static inline int |
| 666 | sn_change_coherence(u64 *new_domain, u64 *old_domain) |
| 667 | { |
| 668 | struct ia64_sal_retval ret_stuff; |
| 669 | SAL_CALL(ret_stuff, SN_SAL_COHERENCE, new_domain, old_domain, 0, 0, |
| 670 | 0, 0, 0); |
| 671 | return ret_stuff.status; |
| 672 | } |
| 673 | |
| 674 | /* |
| 675 | * Change memory access protections for a physical address range. |
| 676 | * nasid_array is not used on Altix, but may be in future architectures. |
| 677 | * Available memory protection access classes are defined after the function. |
| 678 | */ |
| 679 | static inline int |
| 680 | sn_change_memprotect(u64 paddr, u64 len, u64 perms, u64 *nasid_array) |
| 681 | { |
| 682 | struct ia64_sal_retval ret_stuff; |
| 683 | int cnodeid; |
| 684 | unsigned long irq_flags; |
| 685 | |
| 686 | cnodeid = nasid_to_cnodeid(get_node_number(paddr)); |
| 687 | // spin_lock(&NODEPDA(cnodeid)->bist_lock); |
| 688 | local_irq_save(irq_flags); |
| 689 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_MEMPROTECT, paddr, len, nasid_array, |
| 690 | perms, 0, 0, 0); |
| 691 | local_irq_restore(irq_flags); |
| 692 | // spin_unlock(&NODEPDA(cnodeid)->bist_lock); |
| 693 | return ret_stuff.status; |
| 694 | } |
| 695 | #define SN_MEMPROT_ACCESS_CLASS_0 0x14a080 |
| 696 | #define SN_MEMPROT_ACCESS_CLASS_1 0x2520c2 |
| 697 | #define SN_MEMPROT_ACCESS_CLASS_2 0x14a1ca |
| 698 | #define SN_MEMPROT_ACCESS_CLASS_3 0x14a290 |
| 699 | #define SN_MEMPROT_ACCESS_CLASS_6 0x084080 |
| 700 | #define SN_MEMPROT_ACCESS_CLASS_7 0x021080 |
| 701 | |
| 702 | /* |
| 703 | * Turns off system power. |
| 704 | */ |
| 705 | static inline void |
| 706 | ia64_sn_power_down(void) |
| 707 | { |
| 708 | struct ia64_sal_retval ret_stuff; |
| 709 | SAL_CALL(ret_stuff, SN_SAL_SYSTEM_POWER_DOWN, 0, 0, 0, 0, 0, 0, 0); |
| 710 | while(1); |
| 711 | /* never returns */ |
| 712 | } |
| 713 | |
| 714 | /** |
| 715 | * ia64_sn_fru_capture - tell the system controller to capture hw state |
| 716 | * |
| 717 | * This routine will call the SAL which will tell the system controller(s) |
| 718 | * to capture hw mmr information from each SHub in the system. |
| 719 | */ |
| 720 | static inline u64 |
| 721 | ia64_sn_fru_capture(void) |
| 722 | { |
| 723 | struct ia64_sal_retval isrv; |
| 724 | SAL_CALL(isrv, SN_SAL_SYSCTL_FRU_CAPTURE, 0, 0, 0, 0, 0, 0, 0); |
| 725 | if (isrv.status) |
| 726 | return 0; |
| 727 | return isrv.v0; |
| 728 | } |
| 729 | |
| 730 | /* |
| 731 | * Performs an operation on a PCI bus or slot -- power up, power down |
| 732 | * or reset. |
| 733 | */ |
| 734 | static inline u64 |
| 735 | ia64_sn_sysctl_iobrick_pci_op(nasid_t n, u64 connection_type, |
| 736 | u64 bus, char slot, |
| 737 | u64 action) |
| 738 | { |
| 739 | struct ia64_sal_retval rv = {0, 0, 0, 0}; |
| 740 | |
| 741 | SAL_CALL_NOLOCK(rv, SN_SAL_SYSCTL_IOBRICK_PCI_OP, connection_type, n, action, |
| 742 | bus, (u64) slot, 0, 0); |
| 743 | if (rv.status) |
| 744 | return rv.v0; |
| 745 | return 0; |
| 746 | } |
| 747 | |
| 748 | |
| 749 | /* |
| 750 | * Open a subchannel for sending arbitrary data to the system |
| 751 | * controller network via the system controller device associated with |
| 752 | * 'nasid'. Return the subchannel number or a negative error code. |
| 753 | */ |
| 754 | static inline int |
| 755 | ia64_sn_irtr_open(nasid_t nasid) |
| 756 | { |
| 757 | struct ia64_sal_retval rv; |
| 758 | SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_OPEN, nasid, |
| 759 | 0, 0, 0, 0, 0); |
| 760 | return (int) rv.v0; |
| 761 | } |
| 762 | |
| 763 | /* |
| 764 | * Close system controller subchannel 'subch' previously opened on 'nasid'. |
| 765 | */ |
| 766 | static inline int |
| 767 | ia64_sn_irtr_close(nasid_t nasid, int subch) |
| 768 | { |
| 769 | struct ia64_sal_retval rv; |
| 770 | SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_CLOSE, |
| 771 | (u64) nasid, (u64) subch, 0, 0, 0, 0); |
| 772 | return (int) rv.status; |
| 773 | } |
| 774 | |
| 775 | /* |
| 776 | * Read data from system controller associated with 'nasid' on |
| 777 | * subchannel 'subch'. The buffer to be filled is pointed to by |
| 778 | * 'buf', and its capacity is in the integer pointed to by 'len'. The |
| 779 | * referent of 'len' is set to the number of bytes read by the SAL |
| 780 | * call. The return value is either SALRET_OK (for bytes read) or |
| 781 | * SALRET_ERROR (for error or "no data available"). |
| 782 | */ |
| 783 | static inline int |
| 784 | ia64_sn_irtr_recv(nasid_t nasid, int subch, char *buf, int *len) |
| 785 | { |
| 786 | struct ia64_sal_retval rv; |
| 787 | SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_RECV, |
| 788 | (u64) nasid, (u64) subch, (u64) buf, (u64) len, |
| 789 | 0, 0); |
| 790 | return (int) rv.status; |
| 791 | } |
| 792 | |
| 793 | /* |
| 794 | * Write data to the system controller network via the system |
| 795 | * controller associated with 'nasid' on suchannel 'subch'. The |
| 796 | * buffer to be written out is pointed to by 'buf', and 'len' is the |
| 797 | * number of bytes to be written. The return value is either the |
| 798 | * number of bytes written (which could be zero) or a negative error |
| 799 | * code. |
| 800 | */ |
| 801 | static inline int |
| 802 | ia64_sn_irtr_send(nasid_t nasid, int subch, char *buf, int len) |
| 803 | { |
| 804 | struct ia64_sal_retval rv; |
| 805 | SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_SEND, |
| 806 | (u64) nasid, (u64) subch, (u64) buf, (u64) len, |
| 807 | 0, 0); |
| 808 | return (int) rv.v0; |
| 809 | } |
| 810 | |
| 811 | /* |
| 812 | * Check whether any interrupts are pending for the system controller |
| 813 | * associated with 'nasid' and its subchannel 'subch'. The return |
| 814 | * value is a mask of pending interrupts (SAL_IROUTER_INTR_XMIT and/or |
| 815 | * SAL_IROUTER_INTR_RECV). |
| 816 | */ |
| 817 | static inline int |
| 818 | ia64_sn_irtr_intr(nasid_t nasid, int subch) |
| 819 | { |
| 820 | struct ia64_sal_retval rv; |
| 821 | SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_INTR_STATUS, |
| 822 | (u64) nasid, (u64) subch, 0, 0, 0, 0); |
| 823 | return (int) rv.v0; |
| 824 | } |
| 825 | |
| 826 | /* |
| 827 | * Enable the interrupt indicated by the intr parameter (either |
| 828 | * SAL_IROUTER_INTR_XMIT or SAL_IROUTER_INTR_RECV). |
| 829 | */ |
| 830 | static inline int |
| 831 | ia64_sn_irtr_intr_enable(nasid_t nasid, int subch, u64 intr) |
| 832 | { |
| 833 | struct ia64_sal_retval rv; |
| 834 | SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_INTR_ON, |
| 835 | (u64) nasid, (u64) subch, intr, 0, 0, 0); |
| 836 | return (int) rv.v0; |
| 837 | } |
| 838 | |
| 839 | /* |
| 840 | * Disable the interrupt indicated by the intr parameter (either |
| 841 | * SAL_IROUTER_INTR_XMIT or SAL_IROUTER_INTR_RECV). |
| 842 | */ |
| 843 | static inline int |
| 844 | ia64_sn_irtr_intr_disable(nasid_t nasid, int subch, u64 intr) |
| 845 | { |
| 846 | struct ia64_sal_retval rv; |
| 847 | SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_INTR_OFF, |
| 848 | (u64) nasid, (u64) subch, intr, 0, 0, 0); |
| 849 | return (int) rv.v0; |
| 850 | } |
| 851 | |
| 852 | /** |
| 853 | * ia64_sn_get_fit_compt - read a FIT entry from the PROM header |
| 854 | * @nasid: NASID of node to read |
| 855 | * @index: FIT entry index to be retrieved (0..n) |
| 856 | * @fitentry: 16 byte buffer where FIT entry will be stored. |
| 857 | * @banbuf: optional buffer for retrieving banner |
| 858 | * @banlen: length of banner buffer |
| 859 | * |
| 860 | * Access to the physical PROM chips needs to be serialized since reads and |
| 861 | * writes can't occur at the same time, so we need to call into the SAL when |
| 862 | * we want to look at the FIT entries on the chips. |
| 863 | * |
| 864 | * Returns: |
| 865 | * %SALRET_OK if ok |
| 866 | * %SALRET_INVALID_ARG if index too big |
| 867 | * %SALRET_NOT_IMPLEMENTED if running on older PROM |
| 868 | * ??? if nasid invalid OR banner buffer not large enough |
| 869 | */ |
| 870 | static inline int |
| 871 | ia64_sn_get_fit_compt(u64 nasid, u64 index, void *fitentry, void *banbuf, |
| 872 | u64 banlen) |
| 873 | { |
| 874 | struct ia64_sal_retval rv; |
| 875 | SAL_CALL_NOLOCK(rv, SN_SAL_GET_FIT_COMPT, nasid, index, fitentry, |
| 876 | banbuf, banlen, 0, 0); |
| 877 | return (int) rv.status; |
| 878 | } |
| 879 | |
| 880 | /* |
| 881 | * Initialize the SAL components of the system controller |
| 882 | * communication driver; specifically pass in a sizable buffer that |
| 883 | * can be used for allocation of subchannel queues as new subchannels |
| 884 | * are opened. "buf" points to the buffer, and "len" specifies its |
| 885 | * length. |
| 886 | */ |
| 887 | static inline int |
| 888 | ia64_sn_irtr_init(nasid_t nasid, void *buf, int len) |
| 889 | { |
| 890 | struct ia64_sal_retval rv; |
| 891 | SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_INIT, |
| 892 | (u64) nasid, (u64) buf, (u64) len, 0, 0, 0); |
| 893 | return (int) rv.status; |
| 894 | } |
| 895 | |
| 896 | /* |
| 897 | * Returns the nasid, subnode & slice corresponding to a SAPIC ID |
| 898 | * |
| 899 | * In: |
| 900 | * arg0 - SN_SAL_GET_SAPIC_INFO |
| 901 | * arg1 - sapicid (lid >> 16) |
| 902 | * Out: |
| 903 | * v0 - nasid |
| 904 | * v1 - subnode |
| 905 | * v2 - slice |
| 906 | */ |
| 907 | static inline u64 |
| 908 | ia64_sn_get_sapic_info(int sapicid, int *nasid, int *subnode, int *slice) |
| 909 | { |
| 910 | struct ia64_sal_retval ret_stuff; |
| 911 | |
| 912 | ret_stuff.status = 0; |
| 913 | ret_stuff.v0 = 0; |
| 914 | ret_stuff.v1 = 0; |
| 915 | ret_stuff.v2 = 0; |
| 916 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_GET_SAPIC_INFO, sapicid, 0, 0, 0, 0, 0, 0); |
| 917 | |
| 918 | /***** BEGIN HACK - temp til old proms no longer supported ********/ |
| 919 | if (ret_stuff.status == SALRET_NOT_IMPLEMENTED) { |
| 920 | if (nasid) *nasid = sapicid & 0xfff; |
| 921 | if (subnode) *subnode = (sapicid >> 13) & 1; |
| 922 | if (slice) *slice = (sapicid >> 12) & 3; |
| 923 | return 0; |
| 924 | } |
| 925 | /***** END HACK *******/ |
| 926 | |
| 927 | if (ret_stuff.status < 0) |
| 928 | return ret_stuff.status; |
| 929 | |
| 930 | if (nasid) *nasid = (int) ret_stuff.v0; |
| 931 | if (subnode) *subnode = (int) ret_stuff.v1; |
| 932 | if (slice) *slice = (int) ret_stuff.v2; |
| 933 | return 0; |
| 934 | } |
| 935 | |
| 936 | /* |
| 937 | * Returns information about the HUB/SHUB. |
| 938 | * In: |
| 939 | * arg0 - SN_SAL_GET_SN_INFO |
| 940 | * arg1 - 0 (other values reserved for future use) |
| 941 | * Out: |
| 942 | * v0 |
| 943 | * [7:0] - shub type (0=shub1, 1=shub2) |
| 944 | * [15:8] - Log2 max number of nodes in entire system (includes |
| 945 | * C-bricks, I-bricks, etc) |
| 946 | * [23:16] - Log2 of nodes per sharing domain |
| 947 | * [31:24] - partition ID |
| 948 | * [39:32] - coherency_id |
| 949 | * [47:40] - regionsize |
| 950 | * v1 |
| 951 | * [15:0] - nasid mask (ex., 0x7ff for 11 bit nasid) |
| 952 | * [23:15] - bit position of low nasid bit |
| 953 | */ |
| 954 | static inline u64 |
| 955 | ia64_sn_get_sn_info(int fc, u8 *shubtype, u16 *nasid_bitmask, u8 *nasid_shift, |
| 956 | u8 *systemsize, u8 *sharing_domain_size, u8 *partid, u8 *coher, u8 *reg) |
| 957 | { |
| 958 | struct ia64_sal_retval ret_stuff; |
| 959 | |
| 960 | ret_stuff.status = 0; |
| 961 | ret_stuff.v0 = 0; |
| 962 | ret_stuff.v1 = 0; |
| 963 | ret_stuff.v2 = 0; |
| 964 | SAL_CALL_NOLOCK(ret_stuff, SN_SAL_GET_SN_INFO, fc, 0, 0, 0, 0, 0, 0); |
| 965 | |
| 966 | /***** BEGIN HACK - temp til old proms no longer supported ********/ |
| 967 | if (ret_stuff.status == SALRET_NOT_IMPLEMENTED) { |
| 968 | int nasid = get_sapicid() & 0xfff;; |
| 969 | #define SH_SHUB_ID_NODES_PER_BIT_MASK 0x001f000000000000UL |
| 970 | #define SH_SHUB_ID_NODES_PER_BIT_SHFT 48 |
| 971 | if (shubtype) *shubtype = 0; |
| 972 | if (nasid_bitmask) *nasid_bitmask = 0x7ff; |
| 973 | if (nasid_shift) *nasid_shift = 38; |
| 974 | if (systemsize) *systemsize = 11; |
| 975 | if (sharing_domain_size) *sharing_domain_size = 9; |
| 976 | if (partid) *partid = ia64_sn_sysctl_partition_get(nasid); |
| 977 | if (coher) *coher = nasid >> 9; |
| 978 | if (reg) *reg = (HUB_L((u64 *) LOCAL_MMR_ADDR(SH1_SHUB_ID)) & SH_SHUB_ID_NODES_PER_BIT_MASK) >> |
| 979 | SH_SHUB_ID_NODES_PER_BIT_SHFT; |
| 980 | return 0; |
| 981 | } |
| 982 | /***** END HACK *******/ |
| 983 | |
| 984 | if (ret_stuff.status < 0) |
| 985 | return ret_stuff.status; |
| 986 | |
| 987 | if (shubtype) *shubtype = ret_stuff.v0 & 0xff; |
| 988 | if (systemsize) *systemsize = (ret_stuff.v0 >> 8) & 0xff; |
| 989 | if (sharing_domain_size) *sharing_domain_size = (ret_stuff.v0 >> 16) & 0xff; |
| 990 | if (partid) *partid = (ret_stuff.v0 >> 24) & 0xff; |
| 991 | if (coher) *coher = (ret_stuff.v0 >> 32) & 0xff; |
| 992 | if (reg) *reg = (ret_stuff.v0 >> 40) & 0xff; |
| 993 | if (nasid_bitmask) *nasid_bitmask = (ret_stuff.v1 & 0xffff); |
| 994 | if (nasid_shift) *nasid_shift = (ret_stuff.v1 >> 16) & 0xff; |
| 995 | return 0; |
| 996 | } |
| 997 | |
| 998 | /* |
| 999 | * This is the access point to the Altix PROM hardware performance |
| 1000 | * and status monitoring interface. For info on using this, see |
| 1001 | * include/asm-ia64/sn/sn2/sn_hwperf.h |
| 1002 | */ |
| 1003 | static inline int |
| 1004 | ia64_sn_hwperf_op(nasid_t nasid, u64 opcode, u64 a0, u64 a1, u64 a2, |
| 1005 | u64 a3, u64 a4, int *v0) |
| 1006 | { |
| 1007 | struct ia64_sal_retval rv; |
| 1008 | SAL_CALL_NOLOCK(rv, SN_SAL_HWPERF_OP, (u64)nasid, |
| 1009 | opcode, a0, a1, a2, a3, a4); |
| 1010 | if (v0) |
| 1011 | *v0 = (int) rv.v0; |
| 1012 | return (int) rv.status; |
| 1013 | } |
| 1014 | |
| 1015 | #endif /* _ASM_IA64_SN_SN_SAL_H */ |