1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_X86_RESCTRL_INTERNAL_H 3 #define _ASM_X86_RESCTRL_INTERNAL_H 4 5 #include <linux/sched.h> 6 #include <linux/kernfs.h> 7 #include <linux/fs_context.h> 8 #include <linux/jump_label.h> 9 10 #define MSR_IA32_L3_QOS_CFG 0xc81 11 #define MSR_IA32_L2_QOS_CFG 0xc82 12 #define MSR_IA32_L3_CBM_BASE 0xc90 13 #define MSR_IA32_L2_CBM_BASE 0xd10 14 #define MSR_IA32_MBA_THRTL_BASE 0xd50 15 #define MSR_IA32_MBA_BW_BASE 0xc0000200 16 17 #define MSR_IA32_QM_CTR 0x0c8e 18 #define MSR_IA32_QM_EVTSEL 0x0c8d 19 20 #define L3_QOS_CDP_ENABLE 0x01ULL 21 22 #define L2_QOS_CDP_ENABLE 0x01ULL 23 24 /* 25 * Event IDs are used to program IA32_QM_EVTSEL before reading event 26 * counter from IA32_QM_CTR 27 */ 28 #define QOS_L3_OCCUP_EVENT_ID 0x01 29 #define QOS_L3_MBM_TOTAL_EVENT_ID 0x02 30 #define QOS_L3_MBM_LOCAL_EVENT_ID 0x03 31 32 #define CQM_LIMBOCHECK_INTERVAL 1000 33 34 #define MBM_CNTR_WIDTH_BASE 24 35 #define MBM_OVERFLOW_INTERVAL 1000 36 #define MAX_MBA_BW 100u 37 #define MBA_IS_LINEAR 0x4 38 #define MBA_MAX_MBPS U32_MAX 39 #define MAX_MBA_BW_AMD 0x800 40 #define MBM_CNTR_WIDTH_OFFSET_AMD 20 41 42 #define RMID_VAL_ERROR BIT_ULL(63) 43 #define RMID_VAL_UNAVAIL BIT_ULL(62) 44 /* 45 * With the above fields in use 62 bits remain in MSR_IA32_QM_CTR for 46 * data to be returned. The counter width is discovered from the hardware 47 * as an offset from MBM_CNTR_WIDTH_BASE. 48 */ 49 #define MBM_CNTR_WIDTH_OFFSET_MAX (62 - MBM_CNTR_WIDTH_BASE) 50 51 52 struct rdt_fs_context { 53 struct kernfs_fs_context kfc; 54 bool enable_cdpl2; 55 bool enable_cdpl3; 56 bool enable_mba_mbps; 57 }; 58 59 static inline struct rdt_fs_context *rdt_fc2context(struct fs_context *fc) 60 { 61 struct kernfs_fs_context *kfc = fc->fs_private; 62 63 return container_of(kfc, struct rdt_fs_context, kfc); 64 } 65 66 DECLARE_STATIC_KEY_FALSE(rdt_enable_key); 67 DECLARE_STATIC_KEY_FALSE(rdt_mon_enable_key); 68 69 /** 70 * struct mon_evt - Entry in the event list of a resource 71 * @evtid: event id 72 * @name: name of the event 73 */ 74 struct mon_evt { 75 u32 evtid; 76 char *name; 77 struct list_head list; 78 }; 79 80 /** 81 * struct mon_data_bits - Monitoring details for each event file 82 * @rid: Resource id associated with the event file. 83 * @evtid: Event id associated with the event file 84 * @domid: The domain to which the event file belongs 85 */ 86 union mon_data_bits { 87 void *priv; 88 struct { 89 unsigned int rid : 10; 90 unsigned int evtid : 8; 91 unsigned int domid : 14; 92 } u; 93 }; 94 95 struct rmid_read { 96 struct rdtgroup *rgrp; 97 struct rdt_resource *r; 98 struct rdt_domain *d; 99 int evtid; 100 bool first; 101 u64 val; 102 }; 103 104 extern unsigned int resctrl_cqm_threshold; 105 extern bool rdt_alloc_capable; 106 extern bool rdt_mon_capable; 107 extern unsigned int rdt_mon_features; 108 109 enum rdt_group_type { 110 RDTCTRL_GROUP = 0, 111 RDTMON_GROUP, 112 RDT_NUM_GROUP, 113 }; 114 115 /** 116 * enum rdtgrp_mode - Mode of a RDT resource group 117 * @RDT_MODE_SHAREABLE: This resource group allows sharing of its allocations 118 * @RDT_MODE_EXCLUSIVE: No sharing of this resource group's allocations allowed 119 * @RDT_MODE_PSEUDO_LOCKSETUP: Resource group will be used for Pseudo-Locking 120 * @RDT_MODE_PSEUDO_LOCKED: No sharing of this resource group's allocations 121 * allowed AND the allocations are Cache Pseudo-Locked 122 * 123 * The mode of a resource group enables control over the allowed overlap 124 * between allocations associated with different resource groups (classes 125 * of service). User is able to modify the mode of a resource group by 126 * writing to the "mode" resctrl file associated with the resource group. 127 * 128 * The "shareable", "exclusive", and "pseudo-locksetup" modes are set by 129 * writing the appropriate text to the "mode" file. A resource group enters 130 * "pseudo-locked" mode after the schemata is written while the resource 131 * group is in "pseudo-locksetup" mode. 132 */ 133 enum rdtgrp_mode { 134 RDT_MODE_SHAREABLE = 0, 135 RDT_MODE_EXCLUSIVE, 136 RDT_MODE_PSEUDO_LOCKSETUP, 137 RDT_MODE_PSEUDO_LOCKED, 138 139 /* Must be last */ 140 RDT_NUM_MODES, 141 }; 142 143 /** 144 * struct mongroup - store mon group's data in resctrl fs. 145 * @mon_data_kn kernlfs node for the mon_data directory 146 * @parent: parent rdtgrp 147 * @crdtgrp_list: child rdtgroup node list 148 * @rmid: rmid for this rdtgroup 149 */ 150 struct mongroup { 151 struct kernfs_node *mon_data_kn; 152 struct rdtgroup *parent; 153 struct list_head crdtgrp_list; 154 u32 rmid; 155 }; 156 157 /** 158 * struct pseudo_lock_region - pseudo-lock region information 159 * @r: RDT resource to which this pseudo-locked region 160 * belongs 161 * @d: RDT domain to which this pseudo-locked region 162 * belongs 163 * @cbm: bitmask of the pseudo-locked region 164 * @lock_thread_wq: waitqueue used to wait on the pseudo-locking thread 165 * completion 166 * @thread_done: variable used by waitqueue to test if pseudo-locking 167 * thread completed 168 * @cpu: core associated with the cache on which the setup code 169 * will be run 170 * @line_size: size of the cache lines 171 * @size: size of pseudo-locked region in bytes 172 * @kmem: the kernel memory associated with pseudo-locked region 173 * @minor: minor number of character device associated with this 174 * region 175 * @debugfs_dir: pointer to this region's directory in the debugfs 176 * filesystem 177 * @pm_reqs: Power management QoS requests related to this region 178 */ 179 struct pseudo_lock_region { 180 struct rdt_resource *r; 181 struct rdt_domain *d; 182 u32 cbm; 183 wait_queue_head_t lock_thread_wq; 184 int thread_done; 185 int cpu; 186 unsigned int line_size; 187 unsigned int size; 188 void *kmem; 189 unsigned int minor; 190 struct dentry *debugfs_dir; 191 struct list_head pm_reqs; 192 }; 193 194 /** 195 * struct rdtgroup - store rdtgroup's data in resctrl file system. 196 * @kn: kernfs node 197 * @rdtgroup_list: linked list for all rdtgroups 198 * @closid: closid for this rdtgroup 199 * @cpu_mask: CPUs assigned to this rdtgroup 200 * @flags: status bits 201 * @waitcount: how many cpus expect to find this 202 * group when they acquire rdtgroup_mutex 203 * @type: indicates type of this rdtgroup - either 204 * monitor only or ctrl_mon group 205 * @mon: mongroup related data 206 * @mode: mode of resource group 207 * @plr: pseudo-locked region 208 */ 209 struct rdtgroup { 210 struct kernfs_node *kn; 211 struct list_head rdtgroup_list; 212 u32 closid; 213 struct cpumask cpu_mask; 214 int flags; 215 atomic_t waitcount; 216 enum rdt_group_type type; 217 struct mongroup mon; 218 enum rdtgrp_mode mode; 219 struct pseudo_lock_region *plr; 220 }; 221 222 /* rdtgroup.flags */ 223 #define RDT_DELETED 1 224 225 /* rftype.flags */ 226 #define RFTYPE_FLAGS_CPUS_LIST 1 227 228 /* 229 * Define the file type flags for base and info directories. 230 */ 231 #define RFTYPE_INFO BIT(0) 232 #define RFTYPE_BASE BIT(1) 233 #define RF_CTRLSHIFT 4 234 #define RF_MONSHIFT 5 235 #define RF_TOPSHIFT 6 236 #define RFTYPE_CTRL BIT(RF_CTRLSHIFT) 237 #define RFTYPE_MON BIT(RF_MONSHIFT) 238 #define RFTYPE_TOP BIT(RF_TOPSHIFT) 239 #define RFTYPE_RES_CACHE BIT(8) 240 #define RFTYPE_RES_MB BIT(9) 241 #define RF_CTRL_INFO (RFTYPE_INFO | RFTYPE_CTRL) 242 #define RF_MON_INFO (RFTYPE_INFO | RFTYPE_MON) 243 #define RF_TOP_INFO (RFTYPE_INFO | RFTYPE_TOP) 244 #define RF_CTRL_BASE (RFTYPE_BASE | RFTYPE_CTRL) 245 246 /* List of all resource groups */ 247 extern struct list_head rdt_all_groups; 248 249 extern int max_name_width, max_data_width; 250 251 int __init rdtgroup_init(void); 252 void __exit rdtgroup_exit(void); 253 254 /** 255 * struct rftype - describe each file in the resctrl file system 256 * @name: File name 257 * @mode: Access mode 258 * @kf_ops: File operations 259 * @flags: File specific RFTYPE_FLAGS_* flags 260 * @fflags: File specific RF_* or RFTYPE_* flags 261 * @seq_show: Show content of the file 262 * @write: Write to the file 263 */ 264 struct rftype { 265 char *name; 266 umode_t mode; 267 const struct kernfs_ops *kf_ops; 268 unsigned long flags; 269 unsigned long fflags; 270 271 int (*seq_show)(struct kernfs_open_file *of, 272 struct seq_file *sf, void *v); 273 /* 274 * write() is the generic write callback which maps directly to 275 * kernfs write operation and overrides all other operations. 276 * Maximum write size is determined by ->max_write_len. 277 */ 278 ssize_t (*write)(struct kernfs_open_file *of, 279 char *buf, size_t nbytes, loff_t off); 280 }; 281 282 /** 283 * struct mbm_state - status for each MBM counter in each domain 284 * @chunks: Total data moved (multiply by rdt_group.mon_scale to get bytes) 285 * @prev_msr Value of IA32_QM_CTR for this RMID last time we read it 286 * @prev_bw_msr:Value of previous IA32_QM_CTR for bandwidth counting 287 * @prev_bw The most recent bandwidth in MBps 288 * @delta_bw Difference between the current and previous bandwidth 289 * @delta_comp Indicates whether to compute the delta_bw 290 */ 291 struct mbm_state { 292 u64 chunks; 293 u64 prev_msr; 294 u64 prev_bw_msr; 295 u32 prev_bw; 296 u32 delta_bw; 297 bool delta_comp; 298 }; 299 300 /** 301 * struct rdt_domain - group of cpus sharing an RDT resource 302 * @list: all instances of this resource 303 * @id: unique id for this instance 304 * @cpu_mask: which cpus share this resource 305 * @rmid_busy_llc: 306 * bitmap of which limbo RMIDs are above threshold 307 * @mbm_total: saved state for MBM total bandwidth 308 * @mbm_local: saved state for MBM local bandwidth 309 * @mbm_over: worker to periodically read MBM h/w counters 310 * @cqm_limbo: worker to periodically read CQM h/w counters 311 * @mbm_work_cpu: 312 * worker cpu for MBM h/w counters 313 * @cqm_work_cpu: 314 * worker cpu for CQM h/w counters 315 * @ctrl_val: array of cache or mem ctrl values (indexed by CLOSID) 316 * @mbps_val: When mba_sc is enabled, this holds the bandwidth in MBps 317 * @new_ctrl: new ctrl value to be loaded 318 * @have_new_ctrl: did user provide new_ctrl for this domain 319 * @plr: pseudo-locked region (if any) associated with domain 320 */ 321 struct rdt_domain { 322 struct list_head list; 323 int id; 324 struct cpumask cpu_mask; 325 unsigned long *rmid_busy_llc; 326 struct mbm_state *mbm_total; 327 struct mbm_state *mbm_local; 328 struct delayed_work mbm_over; 329 struct delayed_work cqm_limbo; 330 int mbm_work_cpu; 331 int cqm_work_cpu; 332 u32 *ctrl_val; 333 u32 *mbps_val; 334 u32 new_ctrl; 335 bool have_new_ctrl; 336 struct pseudo_lock_region *plr; 337 }; 338 339 /** 340 * struct msr_param - set a range of MSRs from a domain 341 * @res: The resource to use 342 * @low: Beginning index from base MSR 343 * @high: End index 344 */ 345 struct msr_param { 346 struct rdt_resource *res; 347 int low; 348 int high; 349 }; 350 351 /** 352 * struct rdt_cache - Cache allocation related data 353 * @cbm_len: Length of the cache bit mask 354 * @min_cbm_bits: Minimum number of consecutive bits to be set 355 * @cbm_idx_mult: Multiplier of CBM index 356 * @cbm_idx_offset: Offset of CBM index. CBM index is computed by: 357 * closid * cbm_idx_multi + cbm_idx_offset 358 * in a cache bit mask 359 * @shareable_bits: Bitmask of shareable resource with other 360 * executing entities 361 * @arch_has_sparse_bitmaps: True if a bitmap like f00f is valid. 362 * @arch_has_empty_bitmaps: True if the '0' bitmap is valid. 363 * @arch_has_per_cpu_cfg: True if QOS_CFG register for this cache 364 * level has CPU scope. 365 */ 366 struct rdt_cache { 367 unsigned int cbm_len; 368 unsigned int min_cbm_bits; 369 unsigned int cbm_idx_mult; 370 unsigned int cbm_idx_offset; 371 unsigned int shareable_bits; 372 bool arch_has_sparse_bitmaps; 373 bool arch_has_empty_bitmaps; 374 bool arch_has_per_cpu_cfg; 375 }; 376 377 /** 378 * enum membw_throttle_mode - System's memory bandwidth throttling mode 379 * @THREAD_THROTTLE_UNDEFINED: Not relevant to the system 380 * @THREAD_THROTTLE_MAX: Memory bandwidth is throttled at the core 381 * always using smallest bandwidth percentage 382 * assigned to threads, aka "max throttling" 383 * @THREAD_THROTTLE_PER_THREAD: Memory bandwidth is throttled at the thread 384 */ 385 enum membw_throttle_mode { 386 THREAD_THROTTLE_UNDEFINED = 0, 387 THREAD_THROTTLE_MAX, 388 THREAD_THROTTLE_PER_THREAD, 389 }; 390 391 /** 392 * struct rdt_membw - Memory bandwidth allocation related data 393 * @min_bw: Minimum memory bandwidth percentage user can request 394 * @bw_gran: Granularity at which the memory bandwidth is allocated 395 * @delay_linear: True if memory B/W delay is in linear scale 396 * @arch_needs_linear: True if we can't configure non-linear resources 397 * @throttle_mode: Bandwidth throttling mode when threads request 398 * different memory bandwidths 399 * @mba_sc: True if MBA software controller(mba_sc) is enabled 400 * @mb_map: Mapping of memory B/W percentage to memory B/W delay 401 */ 402 struct rdt_membw { 403 u32 min_bw; 404 u32 bw_gran; 405 u32 delay_linear; 406 bool arch_needs_linear; 407 enum membw_throttle_mode throttle_mode; 408 bool mba_sc; 409 u32 *mb_map; 410 }; 411 412 static inline bool is_llc_occupancy_enabled(void) 413 { 414 return (rdt_mon_features & (1 << QOS_L3_OCCUP_EVENT_ID)); 415 } 416 417 static inline bool is_mbm_total_enabled(void) 418 { 419 return (rdt_mon_features & (1 << QOS_L3_MBM_TOTAL_EVENT_ID)); 420 } 421 422 static inline bool is_mbm_local_enabled(void) 423 { 424 return (rdt_mon_features & (1 << QOS_L3_MBM_LOCAL_EVENT_ID)); 425 } 426 427 static inline bool is_mbm_enabled(void) 428 { 429 return (is_mbm_total_enabled() || is_mbm_local_enabled()); 430 } 431 432 static inline bool is_mbm_event(int e) 433 { 434 return (e >= QOS_L3_MBM_TOTAL_EVENT_ID && 435 e <= QOS_L3_MBM_LOCAL_EVENT_ID); 436 } 437 438 struct rdt_parse_data { 439 struct rdtgroup *rdtgrp; 440 char *buf; 441 }; 442 443 /** 444 * struct rdt_resource - attributes of an RDT resource 445 * @rid: The index of the resource 446 * @alloc_enabled: Is allocation enabled on this machine 447 * @mon_enabled: Is monitoring enabled for this feature 448 * @alloc_capable: Is allocation available on this machine 449 * @mon_capable: Is monitor feature available on this machine 450 * @name: Name to use in "schemata" file 451 * @num_closid: Number of CLOSIDs available 452 * @cache_level: Which cache level defines scope of this resource 453 * @default_ctrl: Specifies default cache cbm or memory B/W percent. 454 * @msr_base: Base MSR address for CBMs 455 * @msr_update: Function pointer to update QOS MSRs 456 * @data_width: Character width of data when displaying 457 * @domains: All domains for this resource 458 * @cache: Cache allocation related data 459 * @format_str: Per resource format string to show domain value 460 * @parse_ctrlval: Per resource function pointer to parse control values 461 * @evt_list: List of monitoring events 462 * @num_rmid: Number of RMIDs available 463 * @mon_scale: cqm counter * mon_scale = occupancy in bytes 464 * @fflags: flags to choose base and info files 465 */ 466 struct rdt_resource { 467 int rid; 468 bool alloc_enabled; 469 bool mon_enabled; 470 bool alloc_capable; 471 bool mon_capable; 472 char *name; 473 int num_closid; 474 int cache_level; 475 u32 default_ctrl; 476 unsigned int msr_base; 477 void (*msr_update) (struct rdt_domain *d, struct msr_param *m, 478 struct rdt_resource *r); 479 int data_width; 480 struct list_head domains; 481 struct rdt_cache cache; 482 struct rdt_membw membw; 483 const char *format_str; 484 int (*parse_ctrlval)(struct rdt_parse_data *data, 485 struct rdt_resource *r, 486 struct rdt_domain *d); 487 struct list_head evt_list; 488 int num_rmid; 489 unsigned int mon_scale; 490 unsigned int mbm_width; 491 unsigned long fflags; 492 }; 493 494 int parse_cbm(struct rdt_parse_data *data, struct rdt_resource *r, 495 struct rdt_domain *d); 496 int parse_bw(struct rdt_parse_data *data, struct rdt_resource *r, 497 struct rdt_domain *d); 498 499 extern struct mutex rdtgroup_mutex; 500 501 extern struct rdt_resource rdt_resources_all[]; 502 extern struct rdtgroup rdtgroup_default; 503 DECLARE_STATIC_KEY_FALSE(rdt_alloc_enable_key); 504 505 extern struct dentry *debugfs_resctrl; 506 507 enum { 508 RDT_RESOURCE_L3, 509 RDT_RESOURCE_L3DATA, 510 RDT_RESOURCE_L3CODE, 511 RDT_RESOURCE_L2, 512 RDT_RESOURCE_L2DATA, 513 RDT_RESOURCE_L2CODE, 514 RDT_RESOURCE_MBA, 515 516 /* Must be the last */ 517 RDT_NUM_RESOURCES, 518 }; 519 520 #define for_each_rdt_resource(r) \ 521 for (r = rdt_resources_all; r < rdt_resources_all + RDT_NUM_RESOURCES;\ 522 r++) 523 524 #define for_each_capable_rdt_resource(r) \ 525 for (r = rdt_resources_all; r < rdt_resources_all + RDT_NUM_RESOURCES;\ 526 r++) \ 527 if (r->alloc_capable || r->mon_capable) 528 529 #define for_each_alloc_capable_rdt_resource(r) \ 530 for (r = rdt_resources_all; r < rdt_resources_all + RDT_NUM_RESOURCES;\ 531 r++) \ 532 if (r->alloc_capable) 533 534 #define for_each_mon_capable_rdt_resource(r) \ 535 for (r = rdt_resources_all; r < rdt_resources_all + RDT_NUM_RESOURCES;\ 536 r++) \ 537 if (r->mon_capable) 538 539 #define for_each_alloc_enabled_rdt_resource(r) \ 540 for (r = rdt_resources_all; r < rdt_resources_all + RDT_NUM_RESOURCES;\ 541 r++) \ 542 if (r->alloc_enabled) 543 544 #define for_each_mon_enabled_rdt_resource(r) \ 545 for (r = rdt_resources_all; r < rdt_resources_all + RDT_NUM_RESOURCES;\ 546 r++) \ 547 if (r->mon_enabled) 548 549 /* CPUID.(EAX=10H, ECX=ResID=1).EAX */ 550 union cpuid_0x10_1_eax { 551 struct { 552 unsigned int cbm_len:5; 553 } split; 554 unsigned int full; 555 }; 556 557 /* CPUID.(EAX=10H, ECX=ResID=3).EAX */ 558 union cpuid_0x10_3_eax { 559 struct { 560 unsigned int max_delay:12; 561 } split; 562 unsigned int full; 563 }; 564 565 /* CPUID.(EAX=10H, ECX=ResID).EDX */ 566 union cpuid_0x10_x_edx { 567 struct { 568 unsigned int cos_max:16; 569 } split; 570 unsigned int full; 571 }; 572 573 void rdt_last_cmd_clear(void); 574 void rdt_last_cmd_puts(const char *s); 575 __printf(1, 2) 576 void rdt_last_cmd_printf(const char *fmt, ...); 577 578 void rdt_ctrl_update(void *arg); 579 struct rdtgroup *rdtgroup_kn_lock_live(struct kernfs_node *kn); 580 void rdtgroup_kn_unlock(struct kernfs_node *kn); 581 int rdtgroup_kn_mode_restrict(struct rdtgroup *r, const char *name); 582 int rdtgroup_kn_mode_restore(struct rdtgroup *r, const char *name, 583 umode_t mask); 584 struct rdt_domain *rdt_find_domain(struct rdt_resource *r, int id, 585 struct list_head **pos); 586 ssize_t rdtgroup_schemata_write(struct kernfs_open_file *of, 587 char *buf, size_t nbytes, loff_t off); 588 int rdtgroup_schemata_show(struct kernfs_open_file *of, 589 struct seq_file *s, void *v); 590 bool rdtgroup_cbm_overlaps(struct rdt_resource *r, struct rdt_domain *d, 591 unsigned long cbm, int closid, bool exclusive); 592 unsigned int rdtgroup_cbm_to_size(struct rdt_resource *r, struct rdt_domain *d, 593 unsigned long cbm); 594 enum rdtgrp_mode rdtgroup_mode_by_closid(int closid); 595 int rdtgroup_tasks_assigned(struct rdtgroup *r); 596 int rdtgroup_locksetup_enter(struct rdtgroup *rdtgrp); 597 int rdtgroup_locksetup_exit(struct rdtgroup *rdtgrp); 598 bool rdtgroup_cbm_overlaps_pseudo_locked(struct rdt_domain *d, unsigned long cbm); 599 bool rdtgroup_pseudo_locked_in_hierarchy(struct rdt_domain *d); 600 int rdt_pseudo_lock_init(void); 601 void rdt_pseudo_lock_release(void); 602 int rdtgroup_pseudo_lock_create(struct rdtgroup *rdtgrp); 603 void rdtgroup_pseudo_lock_remove(struct rdtgroup *rdtgrp); 604 struct rdt_domain *get_domain_from_cpu(int cpu, struct rdt_resource *r); 605 int update_domains(struct rdt_resource *r, int closid); 606 int closids_supported(void); 607 void closid_free(int closid); 608 int alloc_rmid(void); 609 void free_rmid(u32 rmid); 610 int rdt_get_mon_l3_config(struct rdt_resource *r); 611 void mon_event_count(void *info); 612 int rdtgroup_mondata_show(struct seq_file *m, void *arg); 613 void rmdir_mondata_subdir_allrdtgrp(struct rdt_resource *r, 614 unsigned int dom_id); 615 void mkdir_mondata_subdir_allrdtgrp(struct rdt_resource *r, 616 struct rdt_domain *d); 617 void mon_event_read(struct rmid_read *rr, struct rdt_resource *r, 618 struct rdt_domain *d, struct rdtgroup *rdtgrp, 619 int evtid, int first); 620 void mbm_setup_overflow_handler(struct rdt_domain *dom, 621 unsigned long delay_ms); 622 void mbm_handle_overflow(struct work_struct *work); 623 void __init intel_rdt_mbm_apply_quirk(void); 624 bool is_mba_sc(struct rdt_resource *r); 625 void setup_default_ctrlval(struct rdt_resource *r, u32 *dc, u32 *dm); 626 u32 delay_bw_map(unsigned long bw, struct rdt_resource *r); 627 void cqm_setup_limbo_handler(struct rdt_domain *dom, unsigned long delay_ms); 628 void cqm_handle_limbo(struct work_struct *work); 629 bool has_busy_rmid(struct rdt_resource *r, struct rdt_domain *d); 630 void __check_limbo(struct rdt_domain *d, bool force_free); 631 void rdt_domain_reconfigure_cdp(struct rdt_resource *r); 632 void __init thread_throttle_mode_init(void); 633 634 #endif /* _ASM_X86_RESCTRL_INTERNAL_H */ 635