1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 * 26 * Copyright 2017 RackTop Systems. 27 */ 28 29 #ifndef _LGRP_H 30 #define _LGRP_H 31 32 /* 33 * locality group definitions for kernel 34 */ 35 36 #include <sys/types.h> 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 #define LGRP_NONE (-1) /* non-existent lgroup ID */ 43 44 #if !defined(_KERNEL) && !defined(_FAKE_KERNEL) && !defined(_KMEMUSER) 45 typedef struct lgrp_mem_policy_info { int opaque[2]; } lgrp_mem_policy_info_t; 46 #endif /* !_KERNEL && !_FAKE_KERNEL && !_KMEMUSER */ 47 48 #if defined(_KERNEL) || defined(_FAKE_KERNEL) || defined(_KMEMUSER) 49 #include <sys/cpuvar.h> 50 #include <sys/bitmap.h> 51 #include <sys/vnode.h> 52 #include <vm/anon.h> 53 #include <vm/seg.h> 54 #include <sys/lgrp_user.h> 55 #include <sys/param.h> 56 57 typedef uint32_t lgrp_load_t; /* lgrp_loadavg type */ 58 typedef uintptr_t lgrp_handle_t; /* lgrp handle */ 59 60 #define LGRP_NONE_SUCH LGRP_NONE /* non-existent lgroup ID */ 61 /* null platform handle */ 62 #define LGRP_NULL_HANDLE ((lgrp_handle_t)0xbadbad) 63 #define LGRP_DEFAULT_HANDLE ((lgrp_handle_t)0xbabecafe) /* uma handle */ 64 #define LGRP_ROOTID (0) /* root lgroup ID */ 65 66 /* 67 * Maximum number of lgrps a platform may define. 68 */ 69 #define NLGRPS_MAX 64 70 #define LGRP_LOADAVG_MAX UINT32_MAX 71 72 /* 73 * The load-average we expect for one cpu-bound thread's worth of load 74 */ 75 #define LGRP_LOADAVG_THREAD_MAX 65516 76 77 /* 78 * The input to the load-average generating function for one cpu-bound thread's 79 * worth of load 80 */ 81 82 #define LGRP_LOADAVG_IN_THREAD_MAX 128 83 84 /* 85 * LPL actions 86 */ 87 88 typedef enum { 89 LPL_INCREMENT, 90 LPL_DECREMENT 91 } lpl_act_t; 92 93 /* 94 * lgroup statistics. Most of these are counters that are updated 95 * dynamically so they are hashed to CPU buckets to reduce cache 96 * interference. The remaining statistics are snapshots of kernel 97 * data, so they aren't stored in the array of counter stats. 98 * 99 * For the hashed stats to make sense, you have to sum all the buckets for 100 * that stat, hence macros are provided to read the stats. 101 */ 102 103 #define LGRP_NUM_CPU_BUCKETS 8 /* must be power of 2 */ 104 #define LGRP_CPU_BUCKET_MASK (LGRP_NUM_CPU_BUCKETS - 1) 105 106 /* 107 * Flags for what to do with lgroup memory policy 108 * Used for heap and stack where policy is extended to new segments added to 109 * the end 110 */ 111 #define LGRP_MP_FLAG_EXTEND_UP 0x1 /* policy should extend up */ 112 #define LGRP_MP_FLAG_EXTEND_DOWN 0x2 /* policy should extend down */ 113 114 #define LGRP_STAT(stats, bucket, whichstat) \ 115 ((stats)->ls_data[bucket][whichstat]) 116 117 /* Return a pointer suitable for an atomic 64-bit op on the bucket */ 118 #define LGRP_STAT_WRITE_PTR(stats, whichstat) \ 119 (&LGRP_STAT(stats, (CPU->cpu_id) & LGRP_CPU_BUCKET_MASK, \ 120 whichstat)) 121 122 /* Sum up all the buckets and return the value in 'val' */ 123 #define LGRP_STAT_READ(stats, whichstat, val) { \ 124 int bkt; \ 125 for (val = 0, bkt = 0; bkt < LGRP_NUM_CPU_BUCKETS; bkt++) \ 126 val += LGRP_STAT(stats, bkt, whichstat); \ 127 } 128 129 /* Reset all buckets for the stat to 0 */ 130 #define LGRP_STAT_RESET(stats, stat) { \ 131 int i; \ 132 for (i = 0; i < LGRP_NUM_CPU_BUCKETS; i++) \ 133 LGRP_STAT(stats, i, stat) = 0; \ 134 } 135 136 /* 137 * Define all of the statistics that are kept for lgrp kstats, 138 * and their corresponding text names. 139 */ 140 141 typedef enum lgrp_stat_types { 142 LGRP_NUM_MIGR, /* # migrations away from this lgrp */ 143 LGRP_NUM_ALLOC_FAIL, /* # times alloc fails for chosen lgrp */ 144 LGRP_PM_SRC_PGS, /* # pages migrated from this lgrp */ 145 LGRP_PM_DEST_PGS, /* # pages migrated to this lgrp */ 146 LGRP_PM_FAIL_ALLOC_PGS, /* # pages failed to migrate to this lgrp */ 147 LGRP_PM_FAIL_LOCK_PGS, /* # pages failed to migrate from this lgrp */ 148 LGRP_PMM_PGS, /* # pages marked to migrate from this lgrp */ 149 LGRP_PMM_FAIL_PGS, /* # pages marked to migrate from this lgrp */ 150 LGRP_NUM_DEFAULT, /* # of times default policy applied */ 151 LGRP_NUM_NEXT, /* # of times next touch policy applied */ 152 LGRP_NUM_RANDOM, /* # of times random policy applied */ 153 LGRP_NUM_RANDOM_PROC, /* # of times random proc policy applied */ 154 LGRP_NUM_RANDOM_PSET, /* # of times random pset policy applied */ 155 LGRP_NUM_ROUNDROBIN, /* # of times round robin policy applied */ 156 LGRP_NUM_NEXT_SEG, /* # of times next to seg policy applied */ 157 LGRP_NUM_COUNTER_STATS, /* always last */ 158 LGRP_CTR_STATS_ALLOC = 16 /* cache-align pad - multiple of 8 */ 159 /* always keep >= LGRP_NUM_COUNTER_STATS */ 160 } lgrp_stat_t; 161 162 typedef enum lgrp_snap_stat_types { 163 LGRP_NUM_CPUS, /* number of CPUs */ 164 LGRP_NUM_PG_FREE, /* # of free pages */ 165 LGRP_NUM_PG_AVAIL, /* # of allocatable physical pages */ 166 LGRP_NUM_PG_INSTALL, /* # of installed physical pages */ 167 LGRP_LOADAVG, /* unscaled load average of this lgrp */ 168 LGRP_LOADAVG_SCALE, /* load unit of one CPU bound thread */ 169 LGRP_NUM_SNAPSHOT_STATS /* always last */ 170 } lgrp_snap_stat_t; 171 172 #define LGRP_KSTAT_NAMES \ 173 static char *lgrp_kstat_names[] = { \ 174 \ 175 /* Counter stats */ \ 176 "lwp migrations", \ 177 "alloc fail", \ 178 "pages migrated from", \ 179 "pages migrated to", \ 180 "pages failed to migrate to", \ 181 "pages failed to migrate from", \ 182 "pages marked for migration", \ 183 "pages failed to mark", \ 184 "default policy", \ 185 "next-touch policy", \ 186 "random policy", \ 187 "span process policy", \ 188 "span psrset policy", \ 189 "round robin policy", \ 190 "next-seg policy", \ 191 \ 192 /* Snapshot stats */ \ 193 "cpus", \ 194 "pages free", \ 195 "pages avail", \ 196 "pages installed", \ 197 "load average", \ 198 "loadscale" \ 199 } 200 201 #define LGRP_NUM_STATS ((int)LGRP_NUM_COUNTER_STATS + \ 202 (int)LGRP_NUM_SNAPSHOT_STATS) 203 204 /* 205 * The contents of this structure are opaque and should only be 206 * accessed through the LGRP_STAT macro. 207 */ 208 struct lgrp_stats { 209 int64_t ls_data[LGRP_NUM_CPU_BUCKETS][LGRP_CTR_STATS_ALLOC]; 210 }; 211 212 /* The kernel's version of a bitmap of lgroups */ 213 typedef uint64_t klgrpset_t; 214 215 /* 216 * This really belongs in memnode.h, but it must be defined here to avoid 217 * recursive inclusion problems. Note that memnode.h includes this header. 218 */ 219 typedef uint64_t mnodeset_t; 220 221 /* 222 * lgroup structure 223 * 224 * Visible to generic code and contains the lgroup ID, CPUs in this lgroup, 225 * and a platform handle used to identify this lgroup to the lgroup platform 226 * support code 227 */ 228 typedef struct lgrp { 229 230 lgrp_id_t lgrp_id; /* which lgroup */ 231 int lgrp_latency; 232 lgrp_handle_t lgrp_plathand; /* handle for platform calls */ 233 struct lgrp *lgrp_parent; /* parent lgroup */ 234 uint_t lgrp_reserved1; /* filler */ 235 uint_t lgrp_childcnt; /* number of children lgroups */ 236 klgrpset_t lgrp_children; /* children lgroups */ 237 klgrpset_t lgrp_leaves; /* (direct decendant) leaf lgroups */ 238 239 /* 240 * set of lgroups containing a given type of resource 241 * at this level of locality 242 */ 243 klgrpset_t lgrp_set[LGRP_RSRC_COUNT]; 244 245 mnodeset_t lgrp_mnodes; /* set of memory nodes in this lgroup */ 246 uint_t lgrp_nmnodes; /* number of memnodes */ 247 uint_t lgrp_reserved2; /* filler */ 248 249 struct cpu *lgrp_cpu; /* pointer to a cpu may be null */ 250 uint_t lgrp_cpucnt; /* number of cpus in this lgrp */ 251 kstat_t *lgrp_kstat; /* per-lgrp kstats */ 252 } lgrp_t; 253 254 /* 255 * lgroup load average structure 256 */ 257 258 typedef struct lgrp_ld { 259 lgrp_load_t lpl_loadavg; /* load average */ 260 uint_t lpl_ncpu; /* how many cpus */ 261 lgrp_id_t lpl_lgrpid; /* which group this lpl part of */ 262 lgrp_t *lpl_lgrp; /* ptr to lpl's lgrp */ 263 struct lgrp_ld *lpl_parent; /* lpl of parent lgrp */ 264 struct cpu *lpl_cpus; /* list of cpus in lpl */ 265 /* NULL for non-leaf lgrps */ 266 uint_t lpl_nrset; /* no. of leaf lpls for lgrp */ 267 hrtime_t lpl_homed_time; /* time of last homing to this lpl */ 268 uint_t lpl_rset_sz; /* Resource set capacity */ 269 struct lgrp_ld **lpl_rset; /* leaf lpls for lgrp */ 270 /* contains ptr to self for leaf lgrp */ 271 int *lpl_id2rset; /* mapping of lgrpid to rset index */ 272 } lpl_t; 273 274 /* 275 * 1 << LGRP_MAX_EFFECT_SHFT == lgrp_loadavg_max_effect 276 */ 277 #define LGRP_MAX_EFFECT_SHFT 16 278 279 /* 280 * Operations handled by lgrp_config() 281 */ 282 typedef enum lgrp_config_flag { 283 LGRP_CONFIG_NOP, 284 LGRP_CONFIG_CPU_ADD, 285 LGRP_CONFIG_CPU_DEL, 286 LGRP_CONFIG_CPU_ONLINE, 287 LGRP_CONFIG_CPU_OFFLINE, 288 LGRP_CONFIG_CPUPART_ADD, 289 LGRP_CONFIG_CPUPART_DEL, 290 LGRP_CONFIG_MEM_ADD, 291 LGRP_CONFIG_MEM_DEL, 292 LGRP_CONFIG_MEM_RENAME, 293 LGRP_CONFIG_GEN_UPDATE, 294 LGRP_CONFIG_FLATTEN, 295 LGRP_CONFIG_LAT_CHANGE_ALL, 296 LGRP_CONFIG_LAT_CHANGE 297 } lgrp_config_flag_t; 298 299 /* 300 * Stages of lgroup framework initialization (done through lgrp_init()): 301 * 302 * 1) Initialize common and platform specific code (called in mlsetup()) 303 * 304 * 2) Setup root lgroup and add CPU 0 to lgroup(s) (called near beginning of 305 * main() before startup()) 306 * 307 * 3) Probe from CPU 0 and copy and release any BOP_ALLOC-ed memory temporarily 308 * allocated before kernel memory allocator is setup (called in main() 309 * after startup(), gethrtime() is setup, and before interrupts enabled) 310 * 311 * 4) Check for null proc LPA on Starcat, collapse lgroup topology (if 312 * necessary), setup lgroup kstats, etc. (called before start_other_cpus()) 313 * 314 * 5) Finish any lgroup initialization needed including updating lgroup 315 * topology after all CPUs started (called after start_other_cpus()) 316 */ 317 typedef enum lgrp_init_stages { 318 LGRP_INIT_STAGE1, 319 LGRP_INIT_STAGE2, 320 LGRP_INIT_STAGE3, 321 LGRP_INIT_STAGE4, 322 LGRP_INIT_STAGE5 323 } lgrp_init_stages_t; 324 325 /* 326 * Memory allocation policies 327 */ 328 typedef enum lgrp_mem_policy { 329 LGRP_MEM_POLICY_DEFAULT, 330 LGRP_MEM_POLICY_NEXT, /* near LWP to next touch */ 331 LGRP_MEM_POLICY_RANDOM_PROC, /* randomly across process */ 332 LGRP_MEM_POLICY_RANDOM_PSET, /* randomly across processor set */ 333 LGRP_MEM_POLICY_RANDOM, /* randomly across all lgroups */ 334 LGRP_MEM_POLICY_ROUNDROBIN, /* round robin across all lgroups */ 335 LGRP_MEM_POLICY_NEXT_CPU, /* Near next CPU to touch memory */ 336 LGRP_MEM_POLICY_NEXT_SEG, /* lgrp specified directly by seg */ 337 LGRP_NUM_MEM_POLICIES 338 } lgrp_mem_policy_t; 339 340 /* 341 * Search scopes for finding resouces 342 */ 343 typedef enum lgrp_res_ss { 344 LGRP_SRCH_LOCAL, /* Search local lgroup only */ 345 LGRP_SRCH_HIER /* Search entire hierarchy */ 346 } lgrp_res_ss_t; 347 348 /* 349 * Cookie used for lgrp mnode selection 350 */ 351 typedef struct lgrp_mnode_cookie { 352 lgrp_t *lmc_lgrp; /* lgrp under consideration */ 353 mnodeset_t lmc_nodes; /* nodes not yet tried in lgrp */ 354 int lmc_cnt; /* how many nodes in untried set */ 355 mnodeset_t lmc_tried; /* nodes already tried */ 356 int lmc_ntried; /* how many nodes in tried set */ 357 lgrp_res_ss_t lmc_scope; /* consider non-local nodes? */ 358 ushort_t lmc_rand; /* a "random" number */ 359 } lgrp_mnode_cookie_t; 360 361 /* 362 * Information needed to implement memory allocation policy 363 */ 364 typedef struct lgrp_mem_policy_info { 365 int mem_policy; /* memory allocation policy */ 366 lgrp_id_t mem_lgrpid; /* lgroup id */ 367 } lgrp_mem_policy_info_t; 368 369 /* 370 * Shared memory policy segment 371 */ 372 typedef struct lgrp_shm_policy_seg { 373 u_offset_t shm_off; /* offset into shared object */ 374 size_t shm_size; /* size of segment */ 375 lgrp_mem_policy_info_t shm_policy; /* memory allocation policy */ 376 avl_node_t shm_tree; /* AVL tree */ 377 } lgrp_shm_policy_seg_t; 378 379 /* 380 * Shared memory locality info 381 */ 382 typedef struct lgrp_shm_locality { 383 size_t loc_count; /* reference count */ 384 avl_tree_t *loc_tree; /* policy segment tree */ 385 krwlock_t loc_lock; /* protects tree */ 386 } lgrp_shm_locality_t; 387 388 /* 389 * Queries that may be made to determine lgroup memory size 390 */ 391 typedef enum { 392 LGRP_MEM_SIZE_FREE, /* number of free pages */ 393 LGRP_MEM_SIZE_AVAIL, /* number of pages in phys_avail */ 394 LGRP_MEM_SIZE_INSTALL /* number of pages in phys_install */ 395 } lgrp_mem_query_t; 396 397 /* 398 * Argument for the memory copy-rename operation, contains the source and the 399 * destination platform handles. 400 */ 401 typedef struct lgrp_config_mem_rename { 402 lgrp_handle_t lmem_rename_from; 403 lgrp_handle_t lmem_rename_to; 404 } lgrp_config_mem_rename_t; 405 406 /* Macro to clear an lgroup bitmap */ 407 #define klgrpset_clear(klgrpset) \ 408 (klgrpset) = (klgrpset_t)0 409 410 /* Macro to fill an lgroup bitmap */ 411 #define klgrpset_fill(klgrpset) \ 412 (klgrpset) = (klgrpset_t)(-1) 413 414 /* Macro to add an lgroup to an lgroup bitmap */ 415 #define klgrpset_add(klgrpset, lgrpid) \ 416 (klgrpset) |= ((klgrpset_t)1 << (lgrpid)) 417 418 /* Macro to delete an lgroup from an lgroup bitmap */ 419 #define klgrpset_del(klgrpset, lgrpid) \ 420 (klgrpset) &= ~((klgrpset_t)1 << (lgrpid)) 421 422 /* Macro to copy a klgrpset into another klgrpset */ 423 #define klgrpset_copy(klgrpset_to, klgrpset_from) \ 424 (klgrpset_to) = (klgrpset_from) 425 426 /* Macro to perform an 'and' operation on a pair of lgroup bitmaps */ 427 #define klgrpset_and(klgrpset_rslt, klgrpset_arg) \ 428 (klgrpset_rslt) &= (klgrpset_arg) 429 430 /* Macro to perform an 'or' operation on a pair of lgroup bitmaps */ 431 #define klgrpset_or(klgrpset_rslt, klgrpset_arg) \ 432 (klgrpset_rslt) |= (klgrpset_arg) 433 434 /* Macro to perform a 'diff' operation on a pair of lgroup bitmaps */ 435 #define klgrpset_diff(klgrpset_rslt, klgrpset_arg) \ 436 (klgrpset_rslt) &= ~(klgrpset_arg) 437 438 /* Macro to check if an lgroup is a member of an lgrpset */ 439 #define klgrpset_ismember(klgrpset, lgrpid) \ 440 ((klgrpset) & ((klgrpset_t)1 << (lgrpid))) 441 442 /* Macro to check if an lgroup bitmap is empty */ 443 #define klgrpset_isempty(klgrpset) \ 444 ((klgrpset) == (klgrpset_t)0) 445 446 /* Macro to check if two lgrpsets intersect */ 447 #define klgrpset_intersects(klgrpset1, klgrpset2) \ 448 ((klgrpset1) & (klgrpset2)) 449 450 /* Macro to count the number of members in an lgrpset */ 451 #define klgrpset_nlgrps(klgrpset, count) \ 452 { \ 453 lgrp_id_t lgrpid; \ 454 for (lgrpid = 0, count = 0; lgrpid <= lgrp_alloc_max; lgrpid++) {\ 455 if (klgrpset_ismember(klgrpset, lgrpid)) \ 456 count++; \ 457 } \ 458 } 459 460 /* Macro to get total memory size (in bytes) of a given set of lgroups */ 461 #define klgrpset_totalsize(klgrpset, size) \ 462 { \ 463 lgrp_handle_t hand; \ 464 lgrp_id_t lgrpid; \ 465 \ 466 for (lgrpid = 0, size = 0; lgrpid <= lgrp_alloc_max; lgrpid++) {\ 467 if (klgrpset_ismember(klgrpset, lgrpid) && \ 468 lgrp_table[lgrpid]) { \ 469 hand = lgrp_table[lgrpid]->lgrp_plathand; \ 470 size += lgrp_plat_mem_size(hand, \ 471 LGRP_MEM_SIZE_AVAIL) * PAGESIZE; \ 472 } \ 473 } \ 474 } 475 476 /* 477 * Does this lgroup exist? 478 */ 479 #define LGRP_EXISTS(lgrp) \ 480 (lgrp != NULL && lgrp->lgrp_id != LGRP_NONE) 481 482 /* 483 * Macro for testing if a CPU is contained in an lgrp. 484 */ 485 #define LGRP_CONTAINS_CPU(lgrp, cpu) \ 486 (klgrpset_ismember(lgrp->lgrp_set[LGRP_RSRC_CPU], \ 487 cpu->cpu_lpl->lpl_lgrpid)) 488 489 /* 490 * Initialize an lgrp_mnode_cookie 491 */ 492 #define LGRP_MNODE_COOKIE_INIT(c, lgrp, scope) \ 493 { \ 494 bzero(&(c), sizeof (lgrp_mnode_cookie_t)); \ 495 (&(c))->lmc_lgrp = lgrp; \ 496 (&(c))->lmc_nodes = lgrp->lgrp_mnodes; \ 497 (&(c))->lmc_cnt = lgrp->lgrp_nmnodes; \ 498 (&(c))->lmc_scope = scope; \ 499 (&(c))->lmc_rand = (ushort_t)gethrtime_unscaled() >> 4; \ 500 } 501 502 /* 503 * Upgrade cookie scope from LGRP_SRCH_LOCAL to LGRP_SRCH_HIER. 504 */ 505 #define LGRP_MNODE_COOKIE_UPGRADE(c) \ 506 { \ 507 ASSERT((&(c))->lmc_scope == LGRP_SRCH_LOCAL); \ 508 (&(c))->lmc_scope = LGRP_SRCH_HIER; \ 509 } 510 511 /* 512 * Macro to see whether memory allocation policy can be reapplied 513 */ 514 #define LGRP_MEM_POLICY_REAPPLICABLE(p) \ 515 (p == LGRP_MEM_POLICY_NEXT) 516 517 /* 518 * Return true if lgrp has CPU resources in the cpupart 519 */ 520 #define LGRP_CPUS_IN_PART(lgrpid, cpupart) \ 521 (cpupart->cp_lgrploads[lgrpid].lpl_ncpu > 0) 522 523 extern int lgrp_alloc_max; 524 extern lgrp_t *lgrp_table[NLGRPS_MAX]; /* indexed by lgrp_id */ 525 extern int nlgrps; /* number of lgroups in machine */ 526 extern int nlgrpsmax; /* max number of lgroups on platform */ 527 extern lgrp_gen_t lgrp_gen; /* generation of lgroup hierarchy */ 528 extern int lgrp_initialized; /* single-CPU initialization done */ 529 extern int lgrp_topo_initialized; /* lgrp topology constructed */ 530 extern lgrp_t *lgrp_root; /* root lgroup */ 531 extern unsigned int lgrp_topo_levels; 532 extern lpl_t *lpl_bootstrap; /* bootstrap lpl for non-active CPUs */ 533 534 535 /* generic interfaces */ 536 537 /* 538 * lgroup management 539 */ 540 int lgrp_optimizations(void); 541 void lgrp_init(lgrp_init_stages_t); 542 lgrp_t *lgrp_create(void); 543 void lgrp_destroy(lgrp_t *); 544 void lgrp_config(lgrp_config_flag_t, uintptr_t, uintptr_t); 545 lgrp_t *lgrp_hand_to_lgrp(lgrp_handle_t); 546 547 /* 548 * lgroup stats 549 */ 550 void lgrp_kstat_create(struct cpu *); 551 void lgrp_kstat_destroy(struct cpu *); 552 void lgrp_stat_add(lgrp_id_t, lgrp_stat_t, int64_t); 553 int64_t lgrp_stat_read(lgrp_id_t, lgrp_stat_t); 554 555 /* 556 * lgroup memory 557 */ 558 lgrp_mem_policy_t lgrp_madv_to_policy(uchar_t, size_t, int); 559 pgcnt_t lgrp_mem_size(lgrp_id_t, lgrp_mem_query_t); 560 lgrp_t *lgrp_mem_choose(struct seg *, caddr_t, size_t); 561 int lgrp_memnode_choose(lgrp_mnode_cookie_t *); 562 lgrp_mem_policy_t lgrp_mem_policy_default(size_t, int); 563 int lgrp_mnode_update(klgrpset_t, klgrpset_t *); 564 lgrp_t *lgrp_pfn_to_lgrp(pfn_t); 565 lgrp_t *lgrp_phys_to_lgrp(u_longlong_t); /* used by numat driver */ 566 int lgrp_privm_policy_set(lgrp_mem_policy_t, lgrp_mem_policy_info_t *, 567 size_t); 568 void lgrp_shm_policy_init(struct anon_map *, vnode_t *); 569 void lgrp_shm_policy_fini(struct anon_map *, vnode_t *); 570 lgrp_mem_policy_info_t *lgrp_shm_policy_get(struct anon_map *, ulong_t, 571 vnode_t *, u_offset_t); 572 int lgrp_shm_policy_set(lgrp_mem_policy_t, struct anon_map *, ulong_t, 573 vnode_t *, u_offset_t, size_t); 574 575 /* 576 * Used by numat driver 577 */ 578 int lgrp_query_cpu(processorid_t, lgrp_id_t *); 579 int lgrp_query_load(processorid_t, lgrp_load_t *); 580 581 /* 582 * lgroup thread placement 583 */ 584 lpl_t *lgrp_affinity_best(kthread_t *, struct cpupart *, lgrp_id_t, 585 boolean_t); 586 void lgrp_affinity_init(lgrp_affinity_t **); 587 void lgrp_affinity_free(lgrp_affinity_t **); 588 lpl_t *lgrp_choose(kthread_t *t, struct cpupart *); 589 lgrp_t *lgrp_home_lgrp(void); 590 lgrp_id_t lgrp_home_id(kthread_t *); 591 void lgrp_loadavg(lpl_t *, uint_t, int); 592 void lgrp_move_thread(kthread_t *, lpl_t *, int); 593 uint64_t lgrp_get_trthr_migrations(void); 594 void lgrp_update_trthr_migrations(uint64_t); 595 596 /* 597 * lgroup topology 598 */ 599 int lgrp_leaf_add(lgrp_t *, lgrp_t **, int, klgrpset_t *); 600 int lgrp_leaf_delete(lgrp_t *, lgrp_t **, int, klgrpset_t *); 601 int lgrp_rsets_empty(klgrpset_t *); 602 int lgrp_rsets_member(klgrpset_t *, lgrp_id_t); 603 int lgrp_topo_flatten(int, lgrp_t **, int, klgrpset_t *); 604 int lgrp_topo_ht_limit(void); 605 int lgrp_topo_ht_limit_default(void); 606 int lgrp_topo_ht_limit_set(int); 607 int lgrp_topo_update(lgrp_t **, int, klgrpset_t *); 608 609 /* 610 * lpl topology 611 */ 612 void lpl_topo_bootstrap(lpl_t *, int); 613 int lpl_topo_flatten(int); 614 int lpl_topo_verify(struct cpupart *); 615 616 617 /* platform interfaces */ 618 void lgrp_plat_init(lgrp_init_stages_t); 619 lgrp_t *lgrp_plat_alloc(lgrp_id_t lgrpid); 620 void lgrp_plat_config(lgrp_config_flag_t, uintptr_t); 621 lgrp_handle_t lgrp_plat_cpu_to_hand(processorid_t); 622 lgrp_handle_t lgrp_plat_pfn_to_hand(pfn_t); 623 int lgrp_plat_max_lgrps(void); 624 pgcnt_t lgrp_plat_mem_size(lgrp_handle_t, lgrp_mem_query_t); 625 int lgrp_plat_latency(lgrp_handle_t, lgrp_handle_t); 626 lgrp_handle_t lgrp_plat_root_hand(void); 627 628 extern uint32_t lgrp_expand_proc_thresh; 629 extern uint32_t lgrp_expand_proc_diff; 630 extern pgcnt_t lgrp_mem_free_thresh; 631 extern uint32_t lgrp_loadavg_tolerance; 632 extern uint32_t lgrp_loadavg_max_effect; 633 extern uint32_t lgrp_load_thresh; 634 extern lgrp_mem_policy_t lgrp_mem_policy_root; 635 636 #endif /* _KERNEL || _FAKE_KERNEL || _KMEMUSER */ 637 638 #ifdef __cplusplus 639 } 640 #endif 641 642 #endif /* _LGRP_H */ 643