Commit | Line | Data |
---|---|---|
4a488a7a OG |
1 | /* |
2 | * Copyright 2014 Advanced Micro Devices, Inc. | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
20 | * OTHER DEALINGS IN THE SOFTWARE. | |
21 | */ | |
22 | ||
23 | #ifndef KFD_PRIV_H_INCLUDED | |
24 | #define KFD_PRIV_H_INCLUDED | |
25 | ||
26 | #include <linux/hashtable.h> | |
27 | #include <linux/mmu_notifier.h> | |
28 | #include <linux/mutex.h> | |
29 | #include <linux/types.h> | |
30 | #include <linux/atomic.h> | |
31 | #include <linux/workqueue.h> | |
32 | #include <linux/spinlock.h> | |
19f6d2a6 | 33 | #include <linux/kfd_ioctl.h> |
4a488a7a OG |
34 | #include <kgd_kfd_interface.h> |
35 | ||
5b5c4e40 EP |
36 | #define KFD_SYSFS_FILE_MODE 0444 |
37 | ||
ed6e6a34 BG |
38 | /* |
39 | * When working with cp scheduler we should assign the HIQ manually or via | |
40 | * the radeon driver to a fixed hqd slot, here are the fixed HIQ hqd slot | |
41 | * definitions for Kaveri. In Kaveri only the first ME queues participates | |
42 | * in the cp scheduling taking that in mind we set the HIQ slot in the | |
43 | * second ME. | |
44 | */ | |
45 | #define KFD_CIK_HIQ_PIPE 4 | |
46 | #define KFD_CIK_HIQ_QUEUE 0 | |
47 | ||
5b5c4e40 EP |
48 | /* GPU ID hash width in bits */ |
49 | #define KFD_GPU_ID_HASH_WIDTH 16 | |
50 | ||
51 | /* Macro for allocating structures */ | |
52 | #define kfd_alloc_struct(ptr_to_struct) \ | |
53 | ((typeof(ptr_to_struct)) kzalloc(sizeof(*ptr_to_struct), GFP_KERNEL)) | |
54 | ||
19f6d2a6 OG |
55 | /* Kernel module parameter to specify maximum number of supported processes */ |
56 | extern int max_num_of_processes; | |
57 | ||
58 | #define KFD_MAX_NUM_OF_PROCESSES_DEFAULT 32 | |
59 | #define KFD_MAX_NUM_OF_PROCESSES 512 | |
60 | ||
61 | /* | |
62 | * Kernel module parameter to specify maximum number of supported queues | |
63 | * per process | |
64 | */ | |
65 | extern int max_num_of_queues_per_process; | |
66 | ||
67 | #define KFD_MAX_NUM_OF_QUEUES_PER_PROCESS_DEFAULT 128 | |
68 | #define KFD_MAX_NUM_OF_QUEUES_PER_PROCESS 1024 | |
69 | ||
ed6e6a34 BG |
70 | #define KFD_KERNEL_QUEUE_SIZE 2048 |
71 | ||
31c21fec BG |
72 | /* Kernel module parameter to specify the scheduling policy */ |
73 | extern int sched_policy; | |
74 | ||
75 | /** | |
76 | * enum kfd_sched_policy | |
77 | * | |
78 | * @KFD_SCHED_POLICY_HWS: H/W scheduling policy known as command processor (cp) | |
79 | * scheduling. In this scheduling mode we're using the firmware code to | |
80 | * schedule the user mode queues and kernel queues such as HIQ and DIQ. | |
81 | * the HIQ queue is used as a special queue that dispatches the configuration | |
82 | * to the cp and the user mode queues list that are currently running. | |
83 | * the DIQ queue is a debugging queue that dispatches debugging commands to the | |
84 | * firmware. | |
85 | * in this scheduling mode user mode queues over subscription feature is | |
86 | * enabled. | |
87 | * | |
88 | * @KFD_SCHED_POLICY_HWS_NO_OVERSUBSCRIPTION: The same as above but the over | |
89 | * subscription feature disabled. | |
90 | * | |
91 | * @KFD_SCHED_POLICY_NO_HWS: no H/W scheduling policy is a mode which directly | |
92 | * set the command processor registers and sets the queues "manually". This | |
93 | * mode is used *ONLY* for debugging proposes. | |
94 | * | |
95 | */ | |
96 | enum kfd_sched_policy { | |
97 | KFD_SCHED_POLICY_HWS = 0, | |
98 | KFD_SCHED_POLICY_HWS_NO_OVERSUBSCRIPTION, | |
99 | KFD_SCHED_POLICY_NO_HWS | |
100 | }; | |
101 | ||
ed6e6a34 BG |
102 | enum cache_policy { |
103 | cache_policy_coherent, | |
104 | cache_policy_noncoherent | |
105 | }; | |
106 | ||
4a488a7a OG |
107 | struct kfd_device_info { |
108 | unsigned int max_pasid_bits; | |
109 | size_t ih_ring_entry_size; | |
19f6d2a6 | 110 | uint16_t mqd_size_aligned; |
4a488a7a OG |
111 | }; |
112 | ||
113 | struct kfd_dev { | |
114 | struct kgd_dev *kgd; | |
115 | ||
116 | const struct kfd_device_info *device_info; | |
117 | struct pci_dev *pdev; | |
118 | ||
119 | unsigned int id; /* topology stub index */ | |
120 | ||
19f6d2a6 OG |
121 | phys_addr_t doorbell_base; /* Start of actual doorbells used by |
122 | * KFD. It is aligned for mapping | |
123 | * into user mode | |
124 | */ | |
125 | size_t doorbell_id_offset; /* Doorbell offset (from KFD doorbell | |
126 | * to HW doorbell, GFX reserved some | |
127 | * at the start) | |
128 | */ | |
129 | size_t doorbell_process_limit; /* Number of processes we have doorbell | |
130 | * space for. | |
131 | */ | |
132 | u32 __iomem *doorbell_kernel_ptr; /* This is a pointer for a doorbells | |
133 | * page used by kernel queue | |
134 | */ | |
135 | ||
4a488a7a OG |
136 | struct kgd2kfd_shared_resources shared_resources; |
137 | ||
b3f5e6b4 AL |
138 | void *interrupt_ring; |
139 | size_t interrupt_ring_size; | |
140 | atomic_t interrupt_ring_rptr; | |
141 | atomic_t interrupt_ring_wptr; | |
142 | struct work_struct interrupt_work; | |
143 | spinlock_t interrupt_lock; | |
144 | ||
ed6e6a34 BG |
145 | /* QCM Device instance */ |
146 | struct device_queue_manager *dqm; | |
4a488a7a | 147 | |
ed6e6a34 | 148 | bool init_complete; |
b3f5e6b4 AL |
149 | /* |
150 | * Interrupts of interest to KFD are copied | |
151 | * from the HW ring into a SW ring. | |
152 | */ | |
153 | bool interrupts_active; | |
4a488a7a OG |
154 | }; |
155 | ||
156 | /* KGD2KFD callbacks */ | |
157 | void kgd2kfd_exit(void); | |
158 | struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, struct pci_dev *pdev); | |
159 | bool kgd2kfd_device_init(struct kfd_dev *kfd, | |
160 | const struct kgd2kfd_shared_resources *gpu_resources); | |
161 | void kgd2kfd_device_exit(struct kfd_dev *kfd); | |
162 | ||
163 | extern const struct kfd2kgd_calls *kfd2kgd; | |
164 | ||
19f6d2a6 OG |
165 | struct kfd_mem_obj { |
166 | void *bo; | |
167 | uint64_t gpu_addr; | |
168 | uint32_t *cpu_ptr; | |
169 | }; | |
170 | ||
171 | enum kfd_mempool { | |
172 | KFD_MEMPOOL_SYSTEM_CACHEABLE = 1, | |
173 | KFD_MEMPOOL_SYSTEM_WRITECOMBINE = 2, | |
174 | KFD_MEMPOOL_FRAMEBUFFER = 3, | |
175 | }; | |
176 | ||
4a488a7a OG |
177 | /* Character device interface */ |
178 | int kfd_chardev_init(void); | |
179 | void kfd_chardev_exit(void); | |
180 | struct device *kfd_chardev(void); | |
181 | ||
241f24f8 BG |
182 | /** |
183 | * enum kfd_preempt_type_filter | |
184 | * | |
185 | * @KFD_PREEMPT_TYPE_FILTER_SINGLE_QUEUE: Preempts single queue. | |
186 | * | |
187 | * @KFD_PRERMPT_TYPE_FILTER_ALL_QUEUES: Preempts all queues in the | |
188 | * running queues list. | |
189 | * | |
190 | * @KFD_PRERMPT_TYPE_FILTER_BY_PASID: Preempts queues that belongs to | |
191 | * specific process. | |
192 | * | |
193 | */ | |
194 | enum kfd_preempt_type_filter { | |
195 | KFD_PREEMPT_TYPE_FILTER_SINGLE_QUEUE, | |
196 | KFD_PREEMPT_TYPE_FILTER_ALL_QUEUES, | |
197 | KFD_PREEMPT_TYPE_FILTER_BY_PASID | |
198 | }; | |
19f6d2a6 | 199 | |
6e99df57 BG |
200 | enum kfd_preempt_type { |
201 | KFD_PREEMPT_TYPE_WAVEFRONT, | |
202 | KFD_PREEMPT_TYPE_WAVEFRONT_RESET | |
203 | }; | |
204 | ||
ed8aab45 BG |
205 | /** |
206 | * enum kfd_queue_type | |
207 | * | |
208 | * @KFD_QUEUE_TYPE_COMPUTE: Regular user mode queue type. | |
209 | * | |
210 | * @KFD_QUEUE_TYPE_SDMA: Sdma user mode queue type. | |
211 | * | |
212 | * @KFD_QUEUE_TYPE_HIQ: HIQ queue type. | |
213 | * | |
214 | * @KFD_QUEUE_TYPE_DIQ: DIQ queue type. | |
215 | */ | |
216 | enum kfd_queue_type { | |
217 | KFD_QUEUE_TYPE_COMPUTE, | |
218 | KFD_QUEUE_TYPE_SDMA, | |
219 | KFD_QUEUE_TYPE_HIQ, | |
220 | KFD_QUEUE_TYPE_DIQ | |
221 | }; | |
222 | ||
6e99df57 BG |
223 | enum kfd_queue_format { |
224 | KFD_QUEUE_FORMAT_PM4, | |
225 | KFD_QUEUE_FORMAT_AQL | |
226 | }; | |
227 | ||
ed8aab45 BG |
228 | /** |
229 | * struct queue_properties | |
230 | * | |
231 | * @type: The queue type. | |
232 | * | |
233 | * @queue_id: Queue identifier. | |
234 | * | |
235 | * @queue_address: Queue ring buffer address. | |
236 | * | |
237 | * @queue_size: Queue ring buffer size. | |
238 | * | |
239 | * @priority: Defines the queue priority relative to other queues in the | |
240 | * process. | |
241 | * This is just an indication and HW scheduling may override the priority as | |
242 | * necessary while keeping the relative prioritization. | |
243 | * the priority granularity is from 0 to f which f is the highest priority. | |
244 | * currently all queues are initialized with the highest priority. | |
245 | * | |
246 | * @queue_percent: This field is partially implemented and currently a zero in | |
247 | * this field defines that the queue is non active. | |
248 | * | |
249 | * @read_ptr: User space address which points to the number of dwords the | |
250 | * cp read from the ring buffer. This field updates automatically by the H/W. | |
251 | * | |
252 | * @write_ptr: Defines the number of dwords written to the ring buffer. | |
253 | * | |
254 | * @doorbell_ptr: This field aim is to notify the H/W of new packet written to | |
255 | * the queue ring buffer. This field should be similar to write_ptr and the user | |
256 | * should update this field after he updated the write_ptr. | |
257 | * | |
258 | * @doorbell_off: The doorbell offset in the doorbell pci-bar. | |
259 | * | |
260 | * @is_interop: Defines if this is a interop queue. Interop queue means that the | |
261 | * queue can access both graphics and compute resources. | |
262 | * | |
263 | * @is_active: Defines if the queue is active or not. | |
264 | * | |
265 | * @vmid: If the scheduling mode is no cp scheduling the field defines the vmid | |
266 | * of the queue. | |
267 | * | |
268 | * This structure represents the queue properties for each queue no matter if | |
269 | * it's user mode or kernel mode queue. | |
270 | * | |
271 | */ | |
272 | struct queue_properties { | |
273 | enum kfd_queue_type type; | |
6e99df57 | 274 | enum kfd_queue_format format; |
ed8aab45 BG |
275 | unsigned int queue_id; |
276 | uint64_t queue_address; | |
277 | uint64_t queue_size; | |
278 | uint32_t priority; | |
279 | uint32_t queue_percent; | |
280 | uint32_t *read_ptr; | |
281 | uint32_t *write_ptr; | |
5cd78de5 | 282 | uint32_t __iomem *doorbell_ptr; |
ed8aab45 BG |
283 | uint32_t doorbell_off; |
284 | bool is_interop; | |
285 | bool is_active; | |
286 | /* Not relevant for user mode queues in cp scheduling */ | |
287 | unsigned int vmid; | |
288 | }; | |
289 | ||
290 | /** | |
291 | * struct queue | |
292 | * | |
293 | * @list: Queue linked list. | |
294 | * | |
295 | * @mqd: The queue MQD. | |
296 | * | |
297 | * @mqd_mem_obj: The MQD local gpu memory object. | |
298 | * | |
299 | * @gart_mqd_addr: The MQD gart mc address. | |
300 | * | |
301 | * @properties: The queue properties. | |
302 | * | |
303 | * @mec: Used only in no cp scheduling mode and identifies to micro engine id | |
304 | * that the queue should be execute on. | |
305 | * | |
306 | * @pipe: Used only in no cp scheduling mode and identifies the queue's pipe id. | |
307 | * | |
308 | * @queue: Used only in no cp scheduliong mode and identifies the queue's slot. | |
309 | * | |
310 | * @process: The kfd process that created this queue. | |
311 | * | |
312 | * @device: The kfd device that created this queue. | |
313 | * | |
314 | * This structure represents user mode compute queues. | |
315 | * It contains all the necessary data to handle such queues. | |
316 | * | |
317 | */ | |
318 | ||
319 | struct queue { | |
320 | struct list_head list; | |
321 | void *mqd; | |
322 | struct kfd_mem_obj *mqd_mem_obj; | |
323 | uint64_t gart_mqd_addr; | |
324 | struct queue_properties properties; | |
325 | ||
326 | uint32_t mec; | |
327 | uint32_t pipe; | |
328 | uint32_t queue; | |
329 | ||
330 | struct kfd_process *process; | |
331 | struct kfd_dev *device; | |
332 | }; | |
333 | ||
6e99df57 BG |
334 | /* |
335 | * Please read the kfd_mqd_manager.h description. | |
336 | */ | |
337 | enum KFD_MQD_TYPE { | |
338 | KFD_MQD_TYPE_CIK_COMPUTE = 0, /* for no cp scheduling */ | |
339 | KFD_MQD_TYPE_CIK_HIQ, /* for hiq */ | |
340 | KFD_MQD_TYPE_CIK_CP, /* for cp queues and diq */ | |
341 | KFD_MQD_TYPE_CIK_SDMA, /* for sdma queues */ | |
342 | KFD_MQD_TYPE_MAX | |
343 | }; | |
344 | ||
241f24f8 BG |
345 | struct scheduling_resources { |
346 | unsigned int vmid_mask; | |
347 | enum kfd_queue_type type; | |
348 | uint64_t queue_mask; | |
349 | uint64_t gws_mask; | |
350 | uint32_t oac_mask; | |
351 | uint32_t gds_heap_base; | |
352 | uint32_t gds_heap_size; | |
353 | }; | |
354 | ||
355 | struct process_queue_manager { | |
356 | /* data */ | |
357 | struct kfd_process *process; | |
358 | unsigned int num_concurrent_processes; | |
359 | struct list_head queues; | |
360 | unsigned long *queue_slot_bitmap; | |
361 | }; | |
362 | ||
363 | struct qcm_process_device { | |
364 | /* The Device Queue Manager that owns this data */ | |
365 | struct device_queue_manager *dqm; | |
366 | struct process_queue_manager *pqm; | |
367 | /* Device Queue Manager lock */ | |
368 | struct mutex *lock; | |
369 | /* Queues list */ | |
370 | struct list_head queues_list; | |
371 | struct list_head priv_queue_list; | |
372 | ||
373 | unsigned int queue_count; | |
374 | unsigned int vmid; | |
375 | bool is_debug; | |
376 | /* | |
377 | * All the memory management data should be here too | |
378 | */ | |
379 | uint64_t gds_context_area; | |
380 | uint32_t sh_mem_config; | |
381 | uint32_t sh_mem_bases; | |
382 | uint32_t sh_mem_ape1_base; | |
383 | uint32_t sh_mem_ape1_limit; | |
384 | uint32_t page_table_base; | |
385 | uint32_t gds_size; | |
386 | uint32_t num_gws; | |
387 | uint32_t num_oac; | |
388 | }; | |
389 | ||
19f6d2a6 OG |
390 | /* Data that is per-process-per device. */ |
391 | struct kfd_process_device { | |
392 | /* | |
393 | * List of all per-device data for a process. | |
394 | * Starts from kfd_process.per_device_data. | |
395 | */ | |
396 | struct list_head per_device_list; | |
397 | ||
398 | /* The device that owns this data. */ | |
399 | struct kfd_dev *dev; | |
400 | ||
401 | ||
45102048 BG |
402 | /* per-process-per device QCM data structure */ |
403 | struct qcm_process_device qpd; | |
404 | ||
19f6d2a6 OG |
405 | /*Apertures*/ |
406 | uint64_t lds_base; | |
407 | uint64_t lds_limit; | |
408 | uint64_t gpuvm_base; | |
409 | uint64_t gpuvm_limit; | |
410 | uint64_t scratch_base; | |
411 | uint64_t scratch_limit; | |
412 | ||
413 | /* Is this process/pasid bound to this device? (amd_iommu_bind_pasid) */ | |
414 | bool bound; | |
415 | }; | |
416 | ||
4a488a7a OG |
417 | /* Process data */ |
418 | struct kfd_process { | |
19f6d2a6 OG |
419 | /* |
420 | * kfd_process are stored in an mm_struct*->kfd_process* | |
421 | * hash table (kfd_processes in kfd_process.c) | |
422 | */ | |
423 | struct hlist_node kfd_processes; | |
424 | ||
425 | struct mm_struct *mm; | |
426 | ||
427 | struct mutex mutex; | |
428 | ||
429 | /* | |
430 | * In any process, the thread that started main() is the lead | |
431 | * thread and outlives the rest. | |
432 | * It is here because amd_iommu_bind_pasid wants a task_struct. | |
433 | */ | |
434 | struct task_struct *lead_thread; | |
435 | ||
436 | /* We want to receive a notification when the mm_struct is destroyed */ | |
437 | struct mmu_notifier mmu_notifier; | |
438 | ||
439 | /* Use for delayed freeing of kfd_process structure */ | |
440 | struct rcu_head rcu; | |
441 | ||
442 | unsigned int pasid; | |
443 | ||
444 | /* | |
445 | * List of kfd_process_device structures, | |
446 | * one for each device the process is using. | |
447 | */ | |
448 | struct list_head per_device_data; | |
449 | ||
45102048 BG |
450 | struct process_queue_manager pqm; |
451 | ||
19f6d2a6 OG |
452 | /* The process's queues. */ |
453 | size_t queue_array_size; | |
454 | ||
455 | /* Size is queue_array_size, up to MAX_PROCESS_QUEUES. */ | |
456 | struct kfd_queue **queues; | |
457 | ||
458 | unsigned long allocated_queue_bitmap[DIV_ROUND_UP(KFD_MAX_NUM_OF_QUEUES_PER_PROCESS, BITS_PER_LONG)]; | |
459 | ||
460 | /*Is the user space process 32 bit?*/ | |
461 | bool is_32bit_user_mode; | |
4a488a7a OG |
462 | }; |
463 | ||
19f6d2a6 OG |
464 | void kfd_process_create_wq(void); |
465 | void kfd_process_destroy_wq(void); | |
466 | struct kfd_process *kfd_create_process(const struct task_struct *); | |
467 | struct kfd_process *kfd_get_process(const struct task_struct *); | |
468 | ||
64c7f8cf BG |
469 | struct kfd_process_device *kfd_bind_process_to_device(struct kfd_dev *dev, |
470 | struct kfd_process *p); | |
b17f068a | 471 | void kfd_unbind_process_from_device(struct kfd_dev *dev, unsigned int pasid); |
19f6d2a6 OG |
472 | struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev, |
473 | struct kfd_process *p, | |
474 | int create_pdd); | |
475 | ||
775921ed AS |
476 | /* Process device data iterator */ |
477 | struct kfd_process_device *kfd_get_first_process_device_data(struct kfd_process *p); | |
478 | struct kfd_process_device *kfd_get_next_process_device_data(struct kfd_process *p, | |
479 | struct kfd_process_device *pdd); | |
480 | bool kfd_has_process_device_data(struct kfd_process *p); | |
481 | ||
19f6d2a6 OG |
482 | /* PASIDs */ |
483 | int kfd_pasid_init(void); | |
484 | void kfd_pasid_exit(void); | |
485 | bool kfd_set_pasid_limit(unsigned int new_limit); | |
486 | unsigned int kfd_get_pasid_limit(void); | |
487 | unsigned int kfd_pasid_alloc(void); | |
488 | void kfd_pasid_free(unsigned int pasid); | |
489 | ||
490 | /* Doorbells */ | |
491 | void kfd_doorbell_init(struct kfd_dev *kfd); | |
492 | int kfd_doorbell_mmap(struct kfd_process *process, struct vm_area_struct *vma); | |
493 | u32 __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, | |
494 | unsigned int *doorbell_off); | |
495 | void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr); | |
496 | u32 read_kernel_doorbell(u32 __iomem *db); | |
497 | void write_kernel_doorbell(u32 __iomem *db, u32 value); | |
498 | unsigned int kfd_queue_id_to_doorbell(struct kfd_dev *kfd, | |
499 | struct kfd_process *process, | |
500 | unsigned int queue_id); | |
501 | ||
4a488a7a OG |
502 | extern struct device *kfd_device; |
503 | ||
5b5c4e40 EP |
504 | /* Topology */ |
505 | int kfd_topology_init(void); | |
506 | void kfd_topology_shutdown(void); | |
507 | int kfd_topology_add_device(struct kfd_dev *gpu); | |
508 | int kfd_topology_remove_device(struct kfd_dev *gpu); | |
509 | struct kfd_dev *kfd_device_by_id(uint32_t gpu_id); | |
510 | struct kfd_dev *kfd_device_by_pci_dev(const struct pci_dev *pdev); | |
511 | struct kfd_dev *kfd_topology_enum_kfd_devices(uint8_t idx); | |
512 | ||
4a488a7a | 513 | /* Interrupts */ |
b3f5e6b4 AL |
514 | int kfd_interrupt_init(struct kfd_dev *dev); |
515 | void kfd_interrupt_exit(struct kfd_dev *dev); | |
516 | void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry); | |
517 | bool enqueue_ih_ring_entry(struct kfd_dev *kfd, const void *ih_ring_entry); | |
4a488a7a OG |
518 | |
519 | /* Power Management */ | |
b3f5e6b4 AL |
520 | void kgd2kfd_suspend(struct kfd_dev *kfd); |
521 | int kgd2kfd_resume(struct kfd_dev *kfd); | |
4a488a7a | 522 | |
19f6d2a6 OG |
523 | /* amdkfd Apertures */ |
524 | int kfd_init_apertures(struct kfd_process *process); | |
525 | ||
ed6e6a34 | 526 | /* Queue Context Management */ |
241f24f8 BG |
527 | inline uint32_t lower_32(uint64_t x); |
528 | inline uint32_t upper_32(uint64_t x); | |
529 | ||
ed6e6a34 BG |
530 | int init_queue(struct queue **q, struct queue_properties properties); |
531 | void uninit_queue(struct queue *q); | |
45102048 | 532 | void print_queue_properties(struct queue_properties *q); |
ed6e6a34 BG |
533 | void print_queue(struct queue *q); |
534 | ||
64c7f8cf BG |
535 | struct mqd_manager *mqd_manager_init(enum KFD_MQD_TYPE type, |
536 | struct kfd_dev *dev); | |
537 | struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev); | |
538 | void device_queue_manager_uninit(struct device_queue_manager *dqm); | |
241f24f8 BG |
539 | struct kernel_queue *kernel_queue_init(struct kfd_dev *dev, |
540 | enum kfd_queue_type type); | |
541 | void kernel_queue_uninit(struct kernel_queue *kq); | |
542 | ||
45102048 BG |
543 | /* Process Queue Manager */ |
544 | struct process_queue_node { | |
545 | struct queue *q; | |
546 | struct kernel_queue *kq; | |
547 | struct list_head process_queue_list; | |
548 | }; | |
549 | ||
550 | int pqm_init(struct process_queue_manager *pqm, struct kfd_process *p); | |
551 | void pqm_uninit(struct process_queue_manager *pqm); | |
552 | int pqm_create_queue(struct process_queue_manager *pqm, | |
553 | struct kfd_dev *dev, | |
554 | struct file *f, | |
555 | struct queue_properties *properties, | |
556 | unsigned int flags, | |
557 | enum kfd_queue_type type, | |
558 | unsigned int *qid); | |
559 | int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid); | |
560 | int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid, | |
561 | struct queue_properties *p); | |
562 | ||
ed6e6a34 BG |
563 | /* Packet Manager */ |
564 | ||
241f24f8 BG |
565 | #define KFD_HIQ_TIMEOUT (500) |
566 | ||
64c7f8cf BG |
567 | #define KFD_FENCE_COMPLETED (100) |
568 | #define KFD_FENCE_INIT (10) | |
241f24f8 BG |
569 | #define KFD_UNMAP_LATENCY (150) |
570 | ||
ed6e6a34 BG |
571 | struct packet_manager { |
572 | struct device_queue_manager *dqm; | |
573 | struct kernel_queue *priv_queue; | |
574 | struct mutex lock; | |
575 | bool allocated; | |
576 | struct kfd_mem_obj *ib_buffer_obj; | |
577 | }; | |
578 | ||
64c7f8cf BG |
579 | int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm); |
580 | void pm_uninit(struct packet_manager *pm); | |
581 | int pm_send_set_resources(struct packet_manager *pm, | |
582 | struct scheduling_resources *res); | |
583 | int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues); | |
584 | int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address, | |
585 | uint32_t fence_value); | |
586 | ||
587 | int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type, | |
588 | enum kfd_preempt_type_filter mode, | |
589 | uint32_t filter_param, bool reset, | |
590 | unsigned int sdma_engine); | |
591 | ||
241f24f8 BG |
592 | void pm_release_ib(struct packet_manager *pm); |
593 | ||
19f6d2a6 OG |
594 | uint64_t kfd_get_number_elems(struct kfd_dev *kfd); |
595 | phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev, | |
596 | struct kfd_process *process); | |
597 | ||
4a488a7a | 598 | #endif |