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