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