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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 | ||
ed6e6a34 BG |
138 | /* QCM Device instance */ |
139 | struct device_queue_manager *dqm; | |
4a488a7a | 140 | |
ed6e6a34 | 141 | bool init_complete; |
4a488a7a OG |
142 | }; |
143 | ||
144 | /* KGD2KFD callbacks */ | |
145 | void kgd2kfd_exit(void); | |
146 | struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, struct pci_dev *pdev); | |
147 | bool kgd2kfd_device_init(struct kfd_dev *kfd, | |
148 | const struct kgd2kfd_shared_resources *gpu_resources); | |
149 | void kgd2kfd_device_exit(struct kfd_dev *kfd); | |
150 | ||
151 | extern const struct kfd2kgd_calls *kfd2kgd; | |
152 | ||
19f6d2a6 OG |
153 | struct kfd_mem_obj { |
154 | void *bo; | |
155 | uint64_t gpu_addr; | |
156 | uint32_t *cpu_ptr; | |
157 | }; | |
158 | ||
159 | enum kfd_mempool { | |
160 | KFD_MEMPOOL_SYSTEM_CACHEABLE = 1, | |
161 | KFD_MEMPOOL_SYSTEM_WRITECOMBINE = 2, | |
162 | KFD_MEMPOOL_FRAMEBUFFER = 3, | |
163 | }; | |
164 | ||
4a488a7a OG |
165 | /* Character device interface */ |
166 | int kfd_chardev_init(void); | |
167 | void kfd_chardev_exit(void); | |
168 | struct device *kfd_chardev(void); | |
169 | ||
241f24f8 BG |
170 | /** |
171 | * enum kfd_preempt_type_filter | |
172 | * | |
173 | * @KFD_PREEMPT_TYPE_FILTER_SINGLE_QUEUE: Preempts single queue. | |
174 | * | |
175 | * @KFD_PRERMPT_TYPE_FILTER_ALL_QUEUES: Preempts all queues in the | |
176 | * running queues list. | |
177 | * | |
178 | * @KFD_PRERMPT_TYPE_FILTER_BY_PASID: Preempts queues that belongs to | |
179 | * specific process. | |
180 | * | |
181 | */ | |
182 | enum kfd_preempt_type_filter { | |
183 | KFD_PREEMPT_TYPE_FILTER_SINGLE_QUEUE, | |
184 | KFD_PREEMPT_TYPE_FILTER_ALL_QUEUES, | |
185 | KFD_PREEMPT_TYPE_FILTER_BY_PASID | |
186 | }; | |
19f6d2a6 | 187 | |
6e99df57 BG |
188 | enum kfd_preempt_type { |
189 | KFD_PREEMPT_TYPE_WAVEFRONT, | |
190 | KFD_PREEMPT_TYPE_WAVEFRONT_RESET | |
191 | }; | |
192 | ||
ed8aab45 BG |
193 | /** |
194 | * enum kfd_queue_type | |
195 | * | |
196 | * @KFD_QUEUE_TYPE_COMPUTE: Regular user mode queue type. | |
197 | * | |
198 | * @KFD_QUEUE_TYPE_SDMA: Sdma user mode queue type. | |
199 | * | |
200 | * @KFD_QUEUE_TYPE_HIQ: HIQ queue type. | |
201 | * | |
202 | * @KFD_QUEUE_TYPE_DIQ: DIQ queue type. | |
203 | */ | |
204 | enum kfd_queue_type { | |
205 | KFD_QUEUE_TYPE_COMPUTE, | |
206 | KFD_QUEUE_TYPE_SDMA, | |
207 | KFD_QUEUE_TYPE_HIQ, | |
208 | KFD_QUEUE_TYPE_DIQ | |
209 | }; | |
210 | ||
6e99df57 BG |
211 | enum kfd_queue_format { |
212 | KFD_QUEUE_FORMAT_PM4, | |
213 | KFD_QUEUE_FORMAT_AQL | |
214 | }; | |
215 | ||
ed8aab45 BG |
216 | /** |
217 | * struct queue_properties | |
218 | * | |
219 | * @type: The queue type. | |
220 | * | |
221 | * @queue_id: Queue identifier. | |
222 | * | |
223 | * @queue_address: Queue ring buffer address. | |
224 | * | |
225 | * @queue_size: Queue ring buffer size. | |
226 | * | |
227 | * @priority: Defines the queue priority relative to other queues in the | |
228 | * process. | |
229 | * This is just an indication and HW scheduling may override the priority as | |
230 | * necessary while keeping the relative prioritization. | |
231 | * the priority granularity is from 0 to f which f is the highest priority. | |
232 | * currently all queues are initialized with the highest priority. | |
233 | * | |
234 | * @queue_percent: This field is partially implemented and currently a zero in | |
235 | * this field defines that the queue is non active. | |
236 | * | |
237 | * @read_ptr: User space address which points to the number of dwords the | |
238 | * cp read from the ring buffer. This field updates automatically by the H/W. | |
239 | * | |
240 | * @write_ptr: Defines the number of dwords written to the ring buffer. | |
241 | * | |
242 | * @doorbell_ptr: This field aim is to notify the H/W of new packet written to | |
243 | * the queue ring buffer. This field should be similar to write_ptr and the user | |
244 | * should update this field after he updated the write_ptr. | |
245 | * | |
246 | * @doorbell_off: The doorbell offset in the doorbell pci-bar. | |
247 | * | |
248 | * @is_interop: Defines if this is a interop queue. Interop queue means that the | |
249 | * queue can access both graphics and compute resources. | |
250 | * | |
251 | * @is_active: Defines if the queue is active or not. | |
252 | * | |
253 | * @vmid: If the scheduling mode is no cp scheduling the field defines the vmid | |
254 | * of the queue. | |
255 | * | |
256 | * This structure represents the queue properties for each queue no matter if | |
257 | * it's user mode or kernel mode queue. | |
258 | * | |
259 | */ | |
260 | struct queue_properties { | |
261 | enum kfd_queue_type type; | |
6e99df57 | 262 | enum kfd_queue_format format; |
ed8aab45 BG |
263 | unsigned int queue_id; |
264 | uint64_t queue_address; | |
265 | uint64_t queue_size; | |
266 | uint32_t priority; | |
267 | uint32_t queue_percent; | |
268 | uint32_t *read_ptr; | |
269 | uint32_t *write_ptr; | |
5cd78de5 | 270 | uint32_t __iomem *doorbell_ptr; |
ed8aab45 BG |
271 | uint32_t doorbell_off; |
272 | bool is_interop; | |
273 | bool is_active; | |
274 | /* Not relevant for user mode queues in cp scheduling */ | |
275 | unsigned int vmid; | |
276 | }; | |
277 | ||
278 | /** | |
279 | * struct queue | |
280 | * | |
281 | * @list: Queue linked list. | |
282 | * | |
283 | * @mqd: The queue MQD. | |
284 | * | |
285 | * @mqd_mem_obj: The MQD local gpu memory object. | |
286 | * | |
287 | * @gart_mqd_addr: The MQD gart mc address. | |
288 | * | |
289 | * @properties: The queue properties. | |
290 | * | |
291 | * @mec: Used only in no cp scheduling mode and identifies to micro engine id | |
292 | * that the queue should be execute on. | |
293 | * | |
294 | * @pipe: Used only in no cp scheduling mode and identifies the queue's pipe id. | |
295 | * | |
296 | * @queue: Used only in no cp scheduliong mode and identifies the queue's slot. | |
297 | * | |
298 | * @process: The kfd process that created this queue. | |
299 | * | |
300 | * @device: The kfd device that created this queue. | |
301 | * | |
302 | * This structure represents user mode compute queues. | |
303 | * It contains all the necessary data to handle such queues. | |
304 | * | |
305 | */ | |
306 | ||
307 | struct queue { | |
308 | struct list_head list; | |
309 | void *mqd; | |
310 | struct kfd_mem_obj *mqd_mem_obj; | |
311 | uint64_t gart_mqd_addr; | |
312 | struct queue_properties properties; | |
313 | ||
314 | uint32_t mec; | |
315 | uint32_t pipe; | |
316 | uint32_t queue; | |
317 | ||
318 | struct kfd_process *process; | |
319 | struct kfd_dev *device; | |
320 | }; | |
321 | ||
6e99df57 BG |
322 | /* |
323 | * Please read the kfd_mqd_manager.h description. | |
324 | */ | |
325 | enum KFD_MQD_TYPE { | |
326 | KFD_MQD_TYPE_CIK_COMPUTE = 0, /* for no cp scheduling */ | |
327 | KFD_MQD_TYPE_CIK_HIQ, /* for hiq */ | |
328 | KFD_MQD_TYPE_CIK_CP, /* for cp queues and diq */ | |
329 | KFD_MQD_TYPE_CIK_SDMA, /* for sdma queues */ | |
330 | KFD_MQD_TYPE_MAX | |
331 | }; | |
332 | ||
241f24f8 BG |
333 | struct scheduling_resources { |
334 | unsigned int vmid_mask; | |
335 | enum kfd_queue_type type; | |
336 | uint64_t queue_mask; | |
337 | uint64_t gws_mask; | |
338 | uint32_t oac_mask; | |
339 | uint32_t gds_heap_base; | |
340 | uint32_t gds_heap_size; | |
341 | }; | |
342 | ||
343 | struct process_queue_manager { | |
344 | /* data */ | |
345 | struct kfd_process *process; | |
346 | unsigned int num_concurrent_processes; | |
347 | struct list_head queues; | |
348 | unsigned long *queue_slot_bitmap; | |
349 | }; | |
350 | ||
351 | struct qcm_process_device { | |
352 | /* The Device Queue Manager that owns this data */ | |
353 | struct device_queue_manager *dqm; | |
354 | struct process_queue_manager *pqm; | |
355 | /* Device Queue Manager lock */ | |
356 | struct mutex *lock; | |
357 | /* Queues list */ | |
358 | struct list_head queues_list; | |
359 | struct list_head priv_queue_list; | |
360 | ||
361 | unsigned int queue_count; | |
362 | unsigned int vmid; | |
363 | bool is_debug; | |
364 | /* | |
365 | * All the memory management data should be here too | |
366 | */ | |
367 | uint64_t gds_context_area; | |
368 | uint32_t sh_mem_config; | |
369 | uint32_t sh_mem_bases; | |
370 | uint32_t sh_mem_ape1_base; | |
371 | uint32_t sh_mem_ape1_limit; | |
372 | uint32_t page_table_base; | |
373 | uint32_t gds_size; | |
374 | uint32_t num_gws; | |
375 | uint32_t num_oac; | |
376 | }; | |
377 | ||
19f6d2a6 OG |
378 | /* Data that is per-process-per device. */ |
379 | struct kfd_process_device { | |
380 | /* | |
381 | * List of all per-device data for a process. | |
382 | * Starts from kfd_process.per_device_data. | |
383 | */ | |
384 | struct list_head per_device_list; | |
385 | ||
386 | /* The device that owns this data. */ | |
387 | struct kfd_dev *dev; | |
388 | ||
389 | ||
45102048 BG |
390 | /* per-process-per device QCM data structure */ |
391 | struct qcm_process_device qpd; | |
392 | ||
19f6d2a6 OG |
393 | /*Apertures*/ |
394 | uint64_t lds_base; | |
395 | uint64_t lds_limit; | |
396 | uint64_t gpuvm_base; | |
397 | uint64_t gpuvm_limit; | |
398 | uint64_t scratch_base; | |
399 | uint64_t scratch_limit; | |
400 | ||
401 | /* Is this process/pasid bound to this device? (amd_iommu_bind_pasid) */ | |
402 | bool bound; | |
403 | }; | |
404 | ||
52a5fdce AS |
405 | #define qpd_to_pdd(x) container_of(x, struct kfd_process_device, qpd) |
406 | ||
4a488a7a OG |
407 | /* Process data */ |
408 | struct kfd_process { | |
19f6d2a6 OG |
409 | /* |
410 | * kfd_process are stored in an mm_struct*->kfd_process* | |
411 | * hash table (kfd_processes in kfd_process.c) | |
412 | */ | |
413 | struct hlist_node kfd_processes; | |
414 | ||
415 | struct mm_struct *mm; | |
416 | ||
417 | struct mutex mutex; | |
418 | ||
419 | /* | |
420 | * In any process, the thread that started main() is the lead | |
421 | * thread and outlives the rest. | |
422 | * It is here because amd_iommu_bind_pasid wants a task_struct. | |
423 | */ | |
424 | struct task_struct *lead_thread; | |
425 | ||
426 | /* We want to receive a notification when the mm_struct is destroyed */ | |
427 | struct mmu_notifier mmu_notifier; | |
428 | ||
429 | /* Use for delayed freeing of kfd_process structure */ | |
430 | struct rcu_head rcu; | |
431 | ||
432 | unsigned int pasid; | |
433 | ||
434 | /* | |
435 | * List of kfd_process_device structures, | |
436 | * one for each device the process is using. | |
437 | */ | |
438 | struct list_head per_device_data; | |
439 | ||
45102048 BG |
440 | struct process_queue_manager pqm; |
441 | ||
19f6d2a6 OG |
442 | /* The process's queues. */ |
443 | size_t queue_array_size; | |
444 | ||
445 | /* Size is queue_array_size, up to MAX_PROCESS_QUEUES. */ | |
446 | struct kfd_queue **queues; | |
447 | ||
448 | unsigned long allocated_queue_bitmap[DIV_ROUND_UP(KFD_MAX_NUM_OF_QUEUES_PER_PROCESS, BITS_PER_LONG)]; | |
449 | ||
450 | /*Is the user space process 32 bit?*/ | |
451 | bool is_32bit_user_mode; | |
4a488a7a OG |
452 | }; |
453 | ||
76baee6c OG |
454 | /** |
455 | * Ioctl function type. | |
456 | * | |
457 | * \param filep pointer to file structure. | |
458 | * \param p amdkfd process pointer. | |
459 | * \param data pointer to arg that was copied from user. | |
460 | */ | |
461 | typedef int amdkfd_ioctl_t(struct file *filep, struct kfd_process *p, | |
462 | void *data); | |
463 | ||
464 | struct amdkfd_ioctl_desc { | |
465 | unsigned int cmd; | |
466 | int flags; | |
467 | amdkfd_ioctl_t *func; | |
468 | unsigned int cmd_drv; | |
469 | const char *name; | |
470 | }; | |
471 | ||
19f6d2a6 OG |
472 | void kfd_process_create_wq(void); |
473 | void kfd_process_destroy_wq(void); | |
474 | struct kfd_process *kfd_create_process(const struct task_struct *); | |
475 | struct kfd_process *kfd_get_process(const struct task_struct *); | |
476 | ||
64c7f8cf BG |
477 | struct kfd_process_device *kfd_bind_process_to_device(struct kfd_dev *dev, |
478 | struct kfd_process *p); | |
b17f068a | 479 | void kfd_unbind_process_from_device(struct kfd_dev *dev, unsigned int pasid); |
19f6d2a6 OG |
480 | struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev, |
481 | struct kfd_process *p, | |
482 | int create_pdd); | |
483 | ||
775921ed AS |
484 | /* Process device data iterator */ |
485 | struct kfd_process_device *kfd_get_first_process_device_data(struct kfd_process *p); | |
486 | struct kfd_process_device *kfd_get_next_process_device_data(struct kfd_process *p, | |
487 | struct kfd_process_device *pdd); | |
488 | bool kfd_has_process_device_data(struct kfd_process *p); | |
489 | ||
19f6d2a6 OG |
490 | /* PASIDs */ |
491 | int kfd_pasid_init(void); | |
492 | void kfd_pasid_exit(void); | |
493 | bool kfd_set_pasid_limit(unsigned int new_limit); | |
494 | unsigned int kfd_get_pasid_limit(void); | |
495 | unsigned int kfd_pasid_alloc(void); | |
496 | void kfd_pasid_free(unsigned int pasid); | |
497 | ||
498 | /* Doorbells */ | |
499 | void kfd_doorbell_init(struct kfd_dev *kfd); | |
500 | int kfd_doorbell_mmap(struct kfd_process *process, struct vm_area_struct *vma); | |
501 | u32 __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, | |
502 | unsigned int *doorbell_off); | |
503 | void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr); | |
504 | u32 read_kernel_doorbell(u32 __iomem *db); | |
505 | void write_kernel_doorbell(u32 __iomem *db, u32 value); | |
506 | unsigned int kfd_queue_id_to_doorbell(struct kfd_dev *kfd, | |
507 | struct kfd_process *process, | |
508 | unsigned int queue_id); | |
509 | ||
4a488a7a OG |
510 | extern struct device *kfd_device; |
511 | ||
5b5c4e40 EP |
512 | /* Topology */ |
513 | int kfd_topology_init(void); | |
514 | void kfd_topology_shutdown(void); | |
515 | int kfd_topology_add_device(struct kfd_dev *gpu); | |
516 | int kfd_topology_remove_device(struct kfd_dev *gpu); | |
517 | struct kfd_dev *kfd_device_by_id(uint32_t gpu_id); | |
518 | struct kfd_dev *kfd_device_by_pci_dev(const struct pci_dev *pdev); | |
519 | struct kfd_dev *kfd_topology_enum_kfd_devices(uint8_t idx); | |
520 | ||
4a488a7a | 521 | /* Interrupts */ |
b3f5e6b4 | 522 | void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry); |
4a488a7a OG |
523 | |
524 | /* Power Management */ | |
b3f5e6b4 AL |
525 | void kgd2kfd_suspend(struct kfd_dev *kfd); |
526 | int kgd2kfd_resume(struct kfd_dev *kfd); | |
4a488a7a | 527 | |
19f6d2a6 OG |
528 | /* amdkfd Apertures */ |
529 | int kfd_init_apertures(struct kfd_process *process); | |
530 | ||
ed6e6a34 | 531 | /* Queue Context Management */ |
241f24f8 BG |
532 | inline uint32_t lower_32(uint64_t x); |
533 | inline uint32_t upper_32(uint64_t x); | |
534 | ||
ed6e6a34 BG |
535 | int init_queue(struct queue **q, struct queue_properties properties); |
536 | void uninit_queue(struct queue *q); | |
45102048 | 537 | void print_queue_properties(struct queue_properties *q); |
ed6e6a34 BG |
538 | void print_queue(struct queue *q); |
539 | ||
64c7f8cf BG |
540 | struct mqd_manager *mqd_manager_init(enum KFD_MQD_TYPE type, |
541 | struct kfd_dev *dev); | |
542 | struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev); | |
543 | void device_queue_manager_uninit(struct device_queue_manager *dqm); | |
241f24f8 BG |
544 | struct kernel_queue *kernel_queue_init(struct kfd_dev *dev, |
545 | enum kfd_queue_type type); | |
546 | void kernel_queue_uninit(struct kernel_queue *kq); | |
547 | ||
45102048 BG |
548 | /* Process Queue Manager */ |
549 | struct process_queue_node { | |
550 | struct queue *q; | |
551 | struct kernel_queue *kq; | |
552 | struct list_head process_queue_list; | |
553 | }; | |
554 | ||
555 | int pqm_init(struct process_queue_manager *pqm, struct kfd_process *p); | |
556 | void pqm_uninit(struct process_queue_manager *pqm); | |
557 | int pqm_create_queue(struct process_queue_manager *pqm, | |
558 | struct kfd_dev *dev, | |
559 | struct file *f, | |
560 | struct queue_properties *properties, | |
561 | unsigned int flags, | |
562 | enum kfd_queue_type type, | |
563 | unsigned int *qid); | |
564 | int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid); | |
565 | int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid, | |
566 | struct queue_properties *p); | |
567 | ||
ed6e6a34 BG |
568 | /* Packet Manager */ |
569 | ||
241f24f8 BG |
570 | #define KFD_HIQ_TIMEOUT (500) |
571 | ||
64c7f8cf BG |
572 | #define KFD_FENCE_COMPLETED (100) |
573 | #define KFD_FENCE_INIT (10) | |
241f24f8 BG |
574 | #define KFD_UNMAP_LATENCY (150) |
575 | ||
ed6e6a34 BG |
576 | struct packet_manager { |
577 | struct device_queue_manager *dqm; | |
578 | struct kernel_queue *priv_queue; | |
579 | struct mutex lock; | |
580 | bool allocated; | |
581 | struct kfd_mem_obj *ib_buffer_obj; | |
582 | }; | |
583 | ||
64c7f8cf BG |
584 | int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm); |
585 | void pm_uninit(struct packet_manager *pm); | |
586 | int pm_send_set_resources(struct packet_manager *pm, | |
587 | struct scheduling_resources *res); | |
588 | int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues); | |
589 | int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address, | |
590 | uint32_t fence_value); | |
591 | ||
592 | int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type, | |
593 | enum kfd_preempt_type_filter mode, | |
594 | uint32_t filter_param, bool reset, | |
595 | unsigned int sdma_engine); | |
596 | ||
241f24f8 BG |
597 | void pm_release_ib(struct packet_manager *pm); |
598 | ||
19f6d2a6 OG |
599 | uint64_t kfd_get_number_elems(struct kfd_dev *kfd); |
600 | phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev, | |
601 | struct kfd_process *process); | |
602 | ||
4a488a7a | 603 | #endif |