Commit | Line | Data |
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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> |
482f0777 | 34 | #include <linux/idr.h> |
04ad47bd | 35 | #include <linux/kfifo.h> |
851a645e | 36 | #include <linux/seq_file.h> |
5ce10687 | 37 | #include <linux/kref.h> |
de9f26bb | 38 | #include <linux/sysfs.h> |
4a488a7a OG |
39 | #include <kgd_kfd_interface.h> |
40 | ||
e596b903 YZ |
41 | #include "amd_shared.h" |
42 | ||
af47b390 LA |
43 | #define KFD_MAX_RING_ENTRY_SIZE 8 |
44 | ||
5b5c4e40 EP |
45 | #define KFD_SYSFS_FILE_MODE 0444 |
46 | ||
df03ef93 HK |
47 | /* GPU ID hash width in bits */ |
48 | #define KFD_GPU_ID_HASH_WIDTH 16 | |
49 | ||
50 | /* Use upper bits of mmap offset to store KFD driver specific information. | |
51 | * BITS[63:62] - Encode MMAP type | |
52 | * BITS[61:46] - Encode gpu_id. To identify to which GPU the offset belongs to | |
53 | * BITS[45:0] - MMAP offset value | |
54 | * | |
55 | * NOTE: struct vm_area_struct.vm_pgoff uses offset in pages. Hence, these | |
56 | * defines are w.r.t to PAGE_SIZE | |
57 | */ | |
58 | #define KFD_MMAP_TYPE_SHIFT (62 - PAGE_SHIFT) | |
59 | #define KFD_MMAP_TYPE_MASK (0x3ULL << KFD_MMAP_TYPE_SHIFT) | |
60 | #define KFD_MMAP_TYPE_DOORBELL (0x3ULL << KFD_MMAP_TYPE_SHIFT) | |
61 | #define KFD_MMAP_TYPE_EVENTS (0x2ULL << KFD_MMAP_TYPE_SHIFT) | |
62 | #define KFD_MMAP_TYPE_RESERVED_MEM (0x1ULL << KFD_MMAP_TYPE_SHIFT) | |
d33ea570 | 63 | #define KFD_MMAP_TYPE_MMIO (0x0ULL << KFD_MMAP_TYPE_SHIFT) |
df03ef93 HK |
64 | |
65 | #define KFD_MMAP_GPU_ID_SHIFT (46 - PAGE_SHIFT) | |
66 | #define KFD_MMAP_GPU_ID_MASK (((1ULL << KFD_GPU_ID_HASH_WIDTH) - 1) \ | |
67 | << KFD_MMAP_GPU_ID_SHIFT) | |
68 | #define KFD_MMAP_GPU_ID(gpu_id) ((((uint64_t)gpu_id) << KFD_MMAP_GPU_ID_SHIFT)\ | |
69 | & KFD_MMAP_GPU_ID_MASK) | |
70 | #define KFD_MMAP_GPU_ID_GET(offset) ((offset & KFD_MMAP_GPU_ID_MASK) \ | |
71 | >> KFD_MMAP_GPU_ID_SHIFT) | |
72 | ||
73 | #define KFD_MMAP_OFFSET_VALUE_MASK (0x3FFFFFFFFFFFULL >> PAGE_SHIFT) | |
74 | #define KFD_MMAP_OFFSET_VALUE_GET(offset) (offset & KFD_MMAP_OFFSET_VALUE_MASK) | |
f3a39818 | 75 | |
ed6e6a34 BG |
76 | /* |
77 | * When working with cp scheduler we should assign the HIQ manually or via | |
e7016d8e | 78 | * the amdgpu driver to a fixed hqd slot, here are the fixed HIQ hqd slot |
ed6e6a34 BG |
79 | * definitions for Kaveri. In Kaveri only the first ME queues participates |
80 | * in the cp scheduling taking that in mind we set the HIQ slot in the | |
81 | * second ME. | |
82 | */ | |
83 | #define KFD_CIK_HIQ_PIPE 4 | |
84 | #define KFD_CIK_HIQ_QUEUE 0 | |
85 | ||
5b5c4e40 EP |
86 | /* Macro for allocating structures */ |
87 | #define kfd_alloc_struct(ptr_to_struct) \ | |
88 | ((typeof(ptr_to_struct)) kzalloc(sizeof(*ptr_to_struct), GFP_KERNEL)) | |
89 | ||
19f6d2a6 | 90 | #define KFD_MAX_NUM_OF_PROCESSES 512 |
b8cbab04 | 91 | #define KFD_MAX_NUM_OF_QUEUES_PER_PROCESS 1024 |
19f6d2a6 | 92 | |
373d7080 FK |
93 | /* |
94 | * Size of the per-process TBA+TMA buffer: 2 pages | |
95 | * | |
96 | * The first page is the TBA used for the CWSR ISA code. The second | |
97 | * page is used as TMA for daisy changing a user-mode trap handler. | |
98 | */ | |
99 | #define KFD_CWSR_TBA_TMA_SIZE (PAGE_SIZE * 2) | |
100 | #define KFD_CWSR_TMA_OFFSET PAGE_SIZE | |
101 | ||
74523943 YZ |
102 | #define KFD_MAX_NUM_OF_QUEUES_PER_DEVICE \ |
103 | (KFD_MAX_NUM_OF_PROCESSES * \ | |
104 | KFD_MAX_NUM_OF_QUEUES_PER_PROCESS) | |
105 | ||
106 | #define KFD_KERNEL_QUEUE_SIZE 2048 | |
107 | ||
14328aa5 PC |
108 | #define KFD_UNMAP_LATENCY_MS (4000) |
109 | ||
1f86805a YZ |
110 | /* |
111 | * 512 = 0x200 | |
112 | * The doorbell index distance between SDMA RLC (2*i) and (2*i+1) in the | |
113 | * same SDMA engine on SOC15, which has 8-byte doorbells for SDMA. | |
114 | * 512 8-byte doorbell distance (i.e. one page away) ensures that SDMA RLC | |
115 | * (2*i+1) doorbells (in terms of the lower 12 bit address) lie exactly in | |
116 | * the OFFSET and SIZE set in registers like BIF_SDMA0_DOORBELL_RANGE. | |
117 | */ | |
118 | #define KFD_QUEUE_DOORBELL_MIRROR_OFFSET 512 | |
119 | ||
120 | ||
19f6d2a6 | 121 | /* |
b8cbab04 OG |
122 | * Kernel module parameter to specify maximum number of supported queues per |
123 | * device | |
19f6d2a6 | 124 | */ |
b8cbab04 | 125 | extern int max_num_of_queues_per_device; |
19f6d2a6 | 126 | |
ed6e6a34 | 127 | |
31c21fec BG |
128 | /* Kernel module parameter to specify the scheduling policy */ |
129 | extern int sched_policy; | |
130 | ||
a99c6d4f FK |
131 | /* |
132 | * Kernel module parameter to specify the maximum process | |
133 | * number per HW scheduler | |
134 | */ | |
135 | extern int hws_max_conc_proc; | |
136 | ||
373d7080 FK |
137 | extern int cwsr_enable; |
138 | ||
81663016 OG |
139 | /* |
140 | * Kernel module parameter to specify whether to send sigterm to HSA process on | |
141 | * unhandled exception | |
142 | */ | |
143 | extern int send_sigterm; | |
144 | ||
374200b1 FK |
145 | /* |
146 | * This kernel module is used to simulate large bar machine on non-large bar | |
147 | * enabled machines. | |
148 | */ | |
149 | extern int debug_largebar; | |
150 | ||
ebcfd1e2 FK |
151 | /* |
152 | * Ignore CRAT table during KFD initialization, can be used to work around | |
153 | * broken CRAT tables on some AMD systems | |
154 | */ | |
155 | extern int ignore_crat; | |
156 | ||
bed4f110 FK |
157 | /* |
158 | * Set sh_mem_config.retry_disable on Vega10 | |
159 | */ | |
75ee6487 | 160 | extern int amdgpu_noretry; |
bed4f110 | 161 | |
0e9a860c YZ |
162 | /* |
163 | * Halt if HWS hang is detected | |
164 | */ | |
165 | extern int halt_if_hws_hang; | |
166 | ||
29e76462 OZ |
167 | /* |
168 | * Whether MEC FW support GWS barriers | |
169 | */ | |
170 | extern bool hws_gws_support; | |
171 | ||
14328aa5 PC |
172 | /* |
173 | * Queue preemption timeout in ms | |
174 | */ | |
175 | extern int queue_preemption_timeout_ms; | |
176 | ||
ed6e6a34 BG |
177 | enum cache_policy { |
178 | cache_policy_coherent, | |
179 | cache_policy_noncoherent | |
180 | }; | |
181 | ||
14328aa5 PC |
182 | #define KFD_IS_VI(chip) ((chip) >= CHIP_CARRIZO && (chip) <= CHIP_POLARIS11) |
183 | #define KFD_IS_DGPU(chip) (((chip) >= CHIP_TONGA && \ | |
184 | (chip) <= CHIP_NAVI10) || \ | |
185 | (chip) == CHIP_HAWAII) | |
ef568db7 FK |
186 | #define KFD_IS_SOC15(chip) ((chip) >= CHIP_VEGA10) |
187 | ||
f3a39818 AL |
188 | struct kfd_event_interrupt_class { |
189 | bool (*interrupt_isr)(struct kfd_dev *dev, | |
58e69886 LX |
190 | const uint32_t *ih_ring_entry, uint32_t *patched_ihre, |
191 | bool *patched_flag); | |
f3a39818 | 192 | void (*interrupt_wq)(struct kfd_dev *dev, |
58e69886 | 193 | const uint32_t *ih_ring_entry); |
f3a39818 AL |
194 | }; |
195 | ||
4a488a7a | 196 | struct kfd_device_info { |
e596b903 | 197 | enum amd_asic_type asic_family; |
c181159a | 198 | const char *asic_name; |
f3a39818 | 199 | const struct kfd_event_interrupt_class *event_interrupt_class; |
4a488a7a | 200 | unsigned int max_pasid_bits; |
992839ad | 201 | unsigned int max_no_of_hqd; |
ada2b29c | 202 | unsigned int doorbell_size; |
4a488a7a | 203 | size_t ih_ring_entry_size; |
f7c826ad | 204 | uint8_t num_of_watch_points; |
19f6d2a6 | 205 | uint16_t mqd_size_aligned; |
373d7080 | 206 | bool supports_cwsr; |
64d1c3a4 | 207 | bool needs_iommu_device; |
3ee2d00c | 208 | bool needs_pci_atomics; |
98bb9222 | 209 | unsigned int num_sdma_engines; |
1b4670f6 | 210 | unsigned int num_xgmi_sdma_engines; |
d5094189 | 211 | unsigned int num_sdma_queues_per_engine; |
4a488a7a OG |
212 | }; |
213 | ||
36b5c08f OG |
214 | struct kfd_mem_obj { |
215 | uint32_t range_start; | |
216 | uint32_t range_end; | |
217 | uint64_t gpu_addr; | |
218 | uint32_t *cpu_ptr; | |
b91d43dd | 219 | void *gtt_mem; |
36b5c08f OG |
220 | }; |
221 | ||
44008d7a YZ |
222 | struct kfd_vmid_info { |
223 | uint32_t first_vmid_kfd; | |
224 | uint32_t last_vmid_kfd; | |
225 | uint32_t vmid_num_kfd; | |
226 | }; | |
227 | ||
4a488a7a OG |
228 | struct kfd_dev { |
229 | struct kgd_dev *kgd; | |
230 | ||
231 | const struct kfd_device_info *device_info; | |
232 | struct pci_dev *pdev; | |
233 | ||
234 | unsigned int id; /* topology stub index */ | |
235 | ||
19f6d2a6 OG |
236 | phys_addr_t doorbell_base; /* Start of actual doorbells used by |
237 | * KFD. It is aligned for mapping | |
238 | * into user mode | |
239 | */ | |
240 | size_t doorbell_id_offset; /* Doorbell offset (from KFD doorbell | |
241 | * to HW doorbell, GFX reserved some | |
242 | * at the start) | |
243 | */ | |
19f6d2a6 OG |
244 | u32 __iomem *doorbell_kernel_ptr; /* This is a pointer for a doorbells |
245 | * page used by kernel queue | |
246 | */ | |
247 | ||
4a488a7a | 248 | struct kgd2kfd_shared_resources shared_resources; |
44008d7a | 249 | struct kfd_vmid_info vm_info; |
4a488a7a | 250 | |
cea405b1 XZ |
251 | const struct kfd2kgd_calls *kfd2kgd; |
252 | struct mutex doorbell_mutex; | |
f761d8bd JP |
253 | DECLARE_BITMAP(doorbell_available_index, |
254 | KFD_MAX_NUM_OF_QUEUES_PER_PROCESS); | |
cea405b1 | 255 | |
36b5c08f OG |
256 | void *gtt_mem; |
257 | uint64_t gtt_start_gpu_addr; | |
258 | void *gtt_start_cpu_ptr; | |
259 | void *gtt_sa_bitmap; | |
260 | struct mutex gtt_sa_lock; | |
261 | unsigned int gtt_sa_chunk_size; | |
262 | unsigned int gtt_sa_num_of_chunks; | |
263 | ||
2249d558 | 264 | /* Interrupts */ |
04ad47bd | 265 | struct kfifo ih_fifo; |
48e876a2 | 266 | struct workqueue_struct *ih_wq; |
2249d558 AL |
267 | struct work_struct interrupt_work; |
268 | spinlock_t interrupt_lock; | |
269 | ||
ed6e6a34 BG |
270 | /* QCM Device instance */ |
271 | struct device_queue_manager *dqm; | |
4a488a7a | 272 | |
ed6e6a34 | 273 | bool init_complete; |
2249d558 AL |
274 | /* |
275 | * Interrupts of interest to KFD are copied | |
276 | * from the HW ring into a SW ring. | |
277 | */ | |
278 | bool interrupts_active; | |
fbeb661b YS |
279 | |
280 | /* Debug manager */ | |
0d87c9cf | 281 | struct kfd_dbgmgr *dbgmgr; |
373d7080 | 282 | |
5ade6c9c FK |
283 | /* Firmware versions */ |
284 | uint16_t mec_fw_version; | |
285 | uint16_t sdma_fw_version; | |
286 | ||
a99c6d4f FK |
287 | /* Maximum process number mapped to HW scheduler */ |
288 | unsigned int max_proc_per_quantum; | |
289 | ||
373d7080 FK |
290 | /* CWSR */ |
291 | bool cwsr_enabled; | |
292 | const void *cwsr_isa; | |
293 | unsigned int cwsr_isa_size; | |
0c1690e3 SL |
294 | |
295 | /* xGMI */ | |
296 | uint64_t hive_id; | |
d35f00d8 EH |
297 | |
298 | bool pci_atomic_requested; | |
9b54d201 EH |
299 | |
300 | /* SRAM ECC flag */ | |
301 | atomic_t sram_ecc_flag; | |
f756e631 HK |
302 | |
303 | /* Compute Profile ref. count */ | |
304 | atomic_t compute_profile; | |
e09d4fc8 OZ |
305 | |
306 | /* Global GWS resource shared b/t processes*/ | |
307 | void *gws; | |
4a488a7a OG |
308 | }; |
309 | ||
19f6d2a6 OG |
310 | enum kfd_mempool { |
311 | KFD_MEMPOOL_SYSTEM_CACHEABLE = 1, | |
312 | KFD_MEMPOOL_SYSTEM_WRITECOMBINE = 2, | |
313 | KFD_MEMPOOL_FRAMEBUFFER = 3, | |
314 | }; | |
315 | ||
4a488a7a OG |
316 | /* Character device interface */ |
317 | int kfd_chardev_init(void); | |
318 | void kfd_chardev_exit(void); | |
319 | struct device *kfd_chardev(void); | |
320 | ||
241f24f8 | 321 | /** |
7da2bcf8 | 322 | * enum kfd_unmap_queues_filter |
241f24f8 | 323 | * |
7da2bcf8 | 324 | * @KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE: Preempts single queue. |
241f24f8 | 325 | * |
7da2bcf8 | 326 | * @KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES: Preempts all queues in the |
241f24f8 BG |
327 | * running queues list. |
328 | * | |
7da2bcf8 | 329 | * @KFD_UNMAP_QUEUES_FILTER_BY_PASID: Preempts queues that belongs to |
241f24f8 BG |
330 | * specific process. |
331 | * | |
332 | */ | |
7da2bcf8 YZ |
333 | enum kfd_unmap_queues_filter { |
334 | KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE, | |
335 | KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES, | |
336 | KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, | |
337 | KFD_UNMAP_QUEUES_FILTER_BY_PASID | |
241f24f8 | 338 | }; |
19f6d2a6 | 339 | |
ed8aab45 BG |
340 | /** |
341 | * enum kfd_queue_type | |
342 | * | |
343 | * @KFD_QUEUE_TYPE_COMPUTE: Regular user mode queue type. | |
344 | * | |
345 | * @KFD_QUEUE_TYPE_SDMA: Sdma user mode queue type. | |
346 | * | |
347 | * @KFD_QUEUE_TYPE_HIQ: HIQ queue type. | |
348 | * | |
349 | * @KFD_QUEUE_TYPE_DIQ: DIQ queue type. | |
350 | */ | |
351 | enum kfd_queue_type { | |
352 | KFD_QUEUE_TYPE_COMPUTE, | |
353 | KFD_QUEUE_TYPE_SDMA, | |
354 | KFD_QUEUE_TYPE_HIQ, | |
1b4670f6 OZ |
355 | KFD_QUEUE_TYPE_DIQ, |
356 | KFD_QUEUE_TYPE_SDMA_XGMI | |
ed8aab45 BG |
357 | }; |
358 | ||
6e99df57 BG |
359 | enum kfd_queue_format { |
360 | KFD_QUEUE_FORMAT_PM4, | |
361 | KFD_QUEUE_FORMAT_AQL | |
362 | }; | |
363 | ||
0ccbc7cd OZ |
364 | enum KFD_QUEUE_PRIORITY { |
365 | KFD_QUEUE_PRIORITY_MINIMUM = 0, | |
366 | KFD_QUEUE_PRIORITY_MAXIMUM = 15 | |
367 | }; | |
368 | ||
ed8aab45 BG |
369 | /** |
370 | * struct queue_properties | |
371 | * | |
372 | * @type: The queue type. | |
373 | * | |
374 | * @queue_id: Queue identifier. | |
375 | * | |
376 | * @queue_address: Queue ring buffer address. | |
377 | * | |
378 | * @queue_size: Queue ring buffer size. | |
379 | * | |
380 | * @priority: Defines the queue priority relative to other queues in the | |
381 | * process. | |
382 | * This is just an indication and HW scheduling may override the priority as | |
383 | * necessary while keeping the relative prioritization. | |
384 | * the priority granularity is from 0 to f which f is the highest priority. | |
385 | * currently all queues are initialized with the highest priority. | |
386 | * | |
387 | * @queue_percent: This field is partially implemented and currently a zero in | |
388 | * this field defines that the queue is non active. | |
389 | * | |
390 | * @read_ptr: User space address which points to the number of dwords the | |
391 | * cp read from the ring buffer. This field updates automatically by the H/W. | |
392 | * | |
393 | * @write_ptr: Defines the number of dwords written to the ring buffer. | |
394 | * | |
395 | * @doorbell_ptr: This field aim is to notify the H/W of new packet written to | |
8eabaf54 KR |
396 | * the queue ring buffer. This field should be similar to write_ptr and the |
397 | * user should update this field after he updated the write_ptr. | |
ed8aab45 BG |
398 | * |
399 | * @doorbell_off: The doorbell offset in the doorbell pci-bar. | |
400 | * | |
8eabaf54 KR |
401 | * @is_interop: Defines if this is a interop queue. Interop queue means that |
402 | * the queue can access both graphics and compute resources. | |
ed8aab45 | 403 | * |
26103436 FK |
404 | * @is_evicted: Defines if the queue is evicted. Only active queues |
405 | * are evicted, rendering them inactive. | |
406 | * | |
407 | * @is_active: Defines if the queue is active or not. @is_active and | |
408 | * @is_evicted are protected by the DQM lock. | |
ed8aab45 BG |
409 | * |
410 | * @vmid: If the scheduling mode is no cp scheduling the field defines the vmid | |
411 | * of the queue. | |
412 | * | |
413 | * This structure represents the queue properties for each queue no matter if | |
414 | * it's user mode or kernel mode queue. | |
415 | * | |
416 | */ | |
417 | struct queue_properties { | |
418 | enum kfd_queue_type type; | |
6e99df57 | 419 | enum kfd_queue_format format; |
ed8aab45 BG |
420 | unsigned int queue_id; |
421 | uint64_t queue_address; | |
422 | uint64_t queue_size; | |
423 | uint32_t priority; | |
424 | uint32_t queue_percent; | |
425 | uint32_t *read_ptr; | |
426 | uint32_t *write_ptr; | |
ada2b29c | 427 | void __iomem *doorbell_ptr; |
ed8aab45 BG |
428 | uint32_t doorbell_off; |
429 | bool is_interop; | |
26103436 | 430 | bool is_evicted; |
ed8aab45 BG |
431 | bool is_active; |
432 | /* Not relevant for user mode queues in cp scheduling */ | |
433 | unsigned int vmid; | |
77669eb8 BG |
434 | /* Relevant only for sdma queues*/ |
435 | uint32_t sdma_engine_id; | |
436 | uint32_t sdma_queue_id; | |
437 | uint32_t sdma_vm_addr; | |
ff3d04a1 BG |
438 | /* Relevant only for VI */ |
439 | uint64_t eop_ring_buffer_address; | |
440 | uint32_t eop_ring_buffer_size; | |
441 | uint64_t ctx_save_restore_area_address; | |
442 | uint32_t ctx_save_restore_area_size; | |
373d7080 FK |
443 | uint32_t ctl_stack_size; |
444 | uint64_t tba_addr; | |
445 | uint64_t tma_addr; | |
39e7f331 FK |
446 | /* Relevant for CU */ |
447 | uint32_t cu_mask_count; /* Must be a multiple of 32 */ | |
448 | uint32_t *cu_mask; | |
ed8aab45 BG |
449 | }; |
450 | ||
bb2d2128 FK |
451 | #define QUEUE_IS_ACTIVE(q) ((q).queue_size > 0 && \ |
452 | (q).queue_address != 0 && \ | |
453 | (q).queue_percent > 0 && \ | |
454 | !(q).is_evicted) | |
455 | ||
ed8aab45 BG |
456 | /** |
457 | * struct queue | |
458 | * | |
459 | * @list: Queue linked list. | |
460 | * | |
461 | * @mqd: The queue MQD. | |
462 | * | |
463 | * @mqd_mem_obj: The MQD local gpu memory object. | |
464 | * | |
465 | * @gart_mqd_addr: The MQD gart mc address. | |
466 | * | |
467 | * @properties: The queue properties. | |
468 | * | |
469 | * @mec: Used only in no cp scheduling mode and identifies to micro engine id | |
8eabaf54 | 470 | * that the queue should be execute on. |
ed8aab45 | 471 | * |
8eabaf54 KR |
472 | * @pipe: Used only in no cp scheduling mode and identifies the queue's pipe |
473 | * id. | |
ed8aab45 BG |
474 | * |
475 | * @queue: Used only in no cp scheduliong mode and identifies the queue's slot. | |
476 | * | |
477 | * @process: The kfd process that created this queue. | |
478 | * | |
479 | * @device: The kfd device that created this queue. | |
480 | * | |
eb82da1d OZ |
481 | * @gws: Pointing to gws kgd_mem if this is a gws control queue; NULL |
482 | * otherwise. | |
483 | * | |
ed8aab45 BG |
484 | * This structure represents user mode compute queues. |
485 | * It contains all the necessary data to handle such queues. | |
486 | * | |
487 | */ | |
488 | ||
489 | struct queue { | |
490 | struct list_head list; | |
491 | void *mqd; | |
492 | struct kfd_mem_obj *mqd_mem_obj; | |
493 | uint64_t gart_mqd_addr; | |
494 | struct queue_properties properties; | |
495 | ||
496 | uint32_t mec; | |
497 | uint32_t pipe; | |
498 | uint32_t queue; | |
499 | ||
77669eb8 | 500 | unsigned int sdma_id; |
ef568db7 | 501 | unsigned int doorbell_id; |
77669eb8 | 502 | |
ed8aab45 BG |
503 | struct kfd_process *process; |
504 | struct kfd_dev *device; | |
eb82da1d | 505 | void *gws; |
ed8aab45 BG |
506 | }; |
507 | ||
6e99df57 BG |
508 | /* |
509 | * Please read the kfd_mqd_manager.h description. | |
510 | */ | |
511 | enum KFD_MQD_TYPE { | |
85d258f9 BG |
512 | KFD_MQD_TYPE_COMPUTE = 0, /* for no cp scheduling */ |
513 | KFD_MQD_TYPE_HIQ, /* for hiq */ | |
514 | KFD_MQD_TYPE_CP, /* for cp queues and diq */ | |
515 | KFD_MQD_TYPE_SDMA, /* for sdma queues */ | |
59f650a0 | 516 | KFD_MQD_TYPE_DIQ, /* for diq */ |
6e99df57 BG |
517 | KFD_MQD_TYPE_MAX |
518 | }; | |
519 | ||
0ccbc7cd OZ |
520 | enum KFD_PIPE_PRIORITY { |
521 | KFD_PIPE_PRIORITY_CS_LOW = 0, | |
522 | KFD_PIPE_PRIORITY_CS_MEDIUM, | |
523 | KFD_PIPE_PRIORITY_CS_HIGH | |
524 | }; | |
525 | ||
241f24f8 BG |
526 | struct scheduling_resources { |
527 | unsigned int vmid_mask; | |
528 | enum kfd_queue_type type; | |
529 | uint64_t queue_mask; | |
530 | uint64_t gws_mask; | |
531 | uint32_t oac_mask; | |
532 | uint32_t gds_heap_base; | |
533 | uint32_t gds_heap_size; | |
534 | }; | |
535 | ||
536 | struct process_queue_manager { | |
537 | /* data */ | |
538 | struct kfd_process *process; | |
241f24f8 BG |
539 | struct list_head queues; |
540 | unsigned long *queue_slot_bitmap; | |
541 | }; | |
542 | ||
543 | struct qcm_process_device { | |
544 | /* The Device Queue Manager that owns this data */ | |
545 | struct device_queue_manager *dqm; | |
546 | struct process_queue_manager *pqm; | |
241f24f8 BG |
547 | /* Queues list */ |
548 | struct list_head queues_list; | |
549 | struct list_head priv_queue_list; | |
550 | ||
551 | unsigned int queue_count; | |
552 | unsigned int vmid; | |
553 | bool is_debug; | |
26103436 | 554 | unsigned int evicted; /* eviction counter, 0=active */ |
9fd3f1bf FK |
555 | |
556 | /* This flag tells if we should reset all wavefronts on | |
557 | * process termination | |
558 | */ | |
559 | bool reset_wavefronts; | |
560 | ||
241f24f8 BG |
561 | /* |
562 | * All the memory management data should be here too | |
563 | */ | |
564 | uint64_t gds_context_area; | |
435e2f97 | 565 | /* Contains page table flags such as AMDGPU_PTE_VALID since gfx9 */ |
e715c6d0 | 566 | uint64_t page_table_base; |
241f24f8 BG |
567 | uint32_t sh_mem_config; |
568 | uint32_t sh_mem_bases; | |
569 | uint32_t sh_mem_ape1_base; | |
570 | uint32_t sh_mem_ape1_limit; | |
241f24f8 BG |
571 | uint32_t gds_size; |
572 | uint32_t num_gws; | |
573 | uint32_t num_oac; | |
6a1c9510 | 574 | uint32_t sh_hidden_private_base; |
373d7080 FK |
575 | |
576 | /* CWSR memory */ | |
577 | void *cwsr_kaddr; | |
d01994c2 | 578 | uint64_t cwsr_base; |
373d7080 FK |
579 | uint64_t tba_addr; |
580 | uint64_t tma_addr; | |
d01994c2 FK |
581 | |
582 | /* IB memory */ | |
583 | uint64_t ib_base; | |
552764b6 | 584 | void *ib_kaddr; |
ef568db7 FK |
585 | |
586 | /* doorbell resources per process per device */ | |
587 | unsigned long *doorbell_bitmap; | |
241f24f8 BG |
588 | }; |
589 | ||
26103436 FK |
590 | /* KFD Memory Eviction */ |
591 | ||
592 | /* Approx. wait time before attempting to restore evicted BOs */ | |
593 | #define PROCESS_RESTORE_TIME_MS 100 | |
594 | /* Approx. back off time if restore fails due to lack of memory */ | |
595 | #define PROCESS_BACK_OFF_TIME_MS 100 | |
596 | /* Approx. time before evicting the process again */ | |
597 | #define PROCESS_ACTIVE_TIME_MS 10 | |
598 | ||
5ec7e028 FK |
599 | /* 8 byte handle containing GPU ID in the most significant 4 bytes and |
600 | * idr_handle in the least significant 4 bytes | |
601 | */ | |
602 | #define MAKE_HANDLE(gpu_id, idr_handle) \ | |
603 | (((uint64_t)(gpu_id) << 32) + idr_handle) | |
604 | #define GET_GPU_ID(handle) (handle >> 32) | |
605 | #define GET_IDR_HANDLE(handle) (handle & 0xFFFFFFFF) | |
606 | ||
733fa1f7 YZ |
607 | enum kfd_pdd_bound { |
608 | PDD_UNBOUND = 0, | |
609 | PDD_BOUND, | |
610 | PDD_BOUND_SUSPENDED, | |
611 | }; | |
612 | ||
19f6d2a6 OG |
613 | /* Data that is per-process-per device. */ |
614 | struct kfd_process_device { | |
615 | /* | |
616 | * List of all per-device data for a process. | |
617 | * Starts from kfd_process.per_device_data. | |
618 | */ | |
619 | struct list_head per_device_list; | |
620 | ||
621 | /* The device that owns this data. */ | |
622 | struct kfd_dev *dev; | |
623 | ||
9fd3f1bf FK |
624 | /* The process that owns this kfd_process_device. */ |
625 | struct kfd_process *process; | |
19f6d2a6 | 626 | |
45102048 BG |
627 | /* per-process-per device QCM data structure */ |
628 | struct qcm_process_device qpd; | |
629 | ||
19f6d2a6 OG |
630 | /*Apertures*/ |
631 | uint64_t lds_base; | |
632 | uint64_t lds_limit; | |
633 | uint64_t gpuvm_base; | |
634 | uint64_t gpuvm_limit; | |
635 | uint64_t scratch_base; | |
636 | uint64_t scratch_limit; | |
637 | ||
403575c4 | 638 | /* VM context for GPUVM allocations */ |
b84394e2 | 639 | struct file *drm_file; |
403575c4 FK |
640 | void *vm; |
641 | ||
52b29d73 FK |
642 | /* GPUVM allocations storage */ |
643 | struct idr alloc_idr; | |
644 | ||
9fd3f1bf FK |
645 | /* Flag used to tell the pdd has dequeued from the dqm. |
646 | * This is used to prevent dev->dqm->ops.process_termination() from | |
647 | * being called twice when it is already called in IOMMU callback | |
648 | * function. | |
a82918f1 | 649 | */ |
9fd3f1bf | 650 | bool already_dequeued; |
64d1c3a4 FK |
651 | |
652 | /* Is this process/pasid bound to this device? (amd_iommu_bind_pasid) */ | |
653 | enum kfd_pdd_bound bound; | |
19f6d2a6 OG |
654 | }; |
655 | ||
52a5fdce AS |
656 | #define qpd_to_pdd(x) container_of(x, struct kfd_process_device, qpd) |
657 | ||
4a488a7a OG |
658 | /* Process data */ |
659 | struct kfd_process { | |
19f6d2a6 OG |
660 | /* |
661 | * kfd_process are stored in an mm_struct*->kfd_process* | |
662 | * hash table (kfd_processes in kfd_process.c) | |
663 | */ | |
664 | struct hlist_node kfd_processes; | |
665 | ||
9b56bb11 FK |
666 | /* |
667 | * Opaque pointer to mm_struct. We don't hold a reference to | |
668 | * it so it should never be dereferenced from here. This is | |
669 | * only used for looking up processes by their mm. | |
670 | */ | |
671 | void *mm; | |
19f6d2a6 | 672 | |
5ce10687 FK |
673 | struct kref ref; |
674 | struct work_struct release_work; | |
675 | ||
19f6d2a6 OG |
676 | struct mutex mutex; |
677 | ||
678 | /* | |
679 | * In any process, the thread that started main() is the lead | |
680 | * thread and outlives the rest. | |
681 | * It is here because amd_iommu_bind_pasid wants a task_struct. | |
894a8293 FK |
682 | * It can also be used for safely getting a reference to the |
683 | * mm_struct of the process. | |
19f6d2a6 OG |
684 | */ |
685 | struct task_struct *lead_thread; | |
686 | ||
687 | /* We want to receive a notification when the mm_struct is destroyed */ | |
688 | struct mmu_notifier mmu_notifier; | |
689 | ||
690 | /* Use for delayed freeing of kfd_process structure */ | |
691 | struct rcu_head rcu; | |
692 | ||
693 | unsigned int pasid; | |
a91e70e3 | 694 | unsigned int doorbell_index; |
19f6d2a6 OG |
695 | |
696 | /* | |
697 | * List of kfd_process_device structures, | |
698 | * one for each device the process is using. | |
699 | */ | |
700 | struct list_head per_device_data; | |
701 | ||
45102048 BG |
702 | struct process_queue_manager pqm; |
703 | ||
19f6d2a6 OG |
704 | /*Is the user space process 32 bit?*/ |
705 | bool is_32bit_user_mode; | |
f3a39818 AL |
706 | |
707 | /* Event-related data */ | |
708 | struct mutex event_mutex; | |
482f0777 FK |
709 | /* Event ID allocator and lookup */ |
710 | struct idr event_idr; | |
50cb7dd9 FK |
711 | /* Event page */ |
712 | struct kfd_signal_page *signal_page; | |
b9a5d0a5 | 713 | size_t signal_mapped_size; |
f3a39818 | 714 | size_t signal_event_count; |
c986169f | 715 | bool signal_event_limit_reached; |
403575c4 FK |
716 | |
717 | /* Information used for memory eviction */ | |
718 | void *kgd_process_info; | |
719 | /* Eviction fence that is attached to all the BOs of this process. The | |
720 | * fence will be triggered during eviction and new one will be created | |
721 | * during restore | |
722 | */ | |
723 | struct dma_fence *ef; | |
26103436 FK |
724 | |
725 | /* Work items for evicting and restoring BOs */ | |
726 | struct delayed_work eviction_work; | |
727 | struct delayed_work restore_work; | |
728 | /* seqno of the last scheduled eviction */ | |
729 | unsigned int last_eviction_seqno; | |
730 | /* Approx. the last timestamp (in jiffies) when the process was | |
731 | * restored after an eviction | |
732 | */ | |
733 | unsigned long last_restore_timestamp; | |
de9f26bb KR |
734 | |
735 | /* Kobj for our procfs */ | |
736 | struct kobject *kobj; | |
737 | struct attribute attr_pasid; | |
4a488a7a OG |
738 | }; |
739 | ||
64d1c3a4 FK |
740 | #define KFD_PROCESS_TABLE_SIZE 5 /* bits: 32 entries */ |
741 | extern DECLARE_HASHTABLE(kfd_processes_table, KFD_PROCESS_TABLE_SIZE); | |
742 | extern struct srcu_struct kfd_processes_srcu; | |
743 | ||
76baee6c OG |
744 | /** |
745 | * Ioctl function type. | |
746 | * | |
747 | * \param filep pointer to file structure. | |
748 | * \param p amdkfd process pointer. | |
749 | * \param data pointer to arg that was copied from user. | |
750 | */ | |
751 | typedef int amdkfd_ioctl_t(struct file *filep, struct kfd_process *p, | |
752 | void *data); | |
753 | ||
754 | struct amdkfd_ioctl_desc { | |
755 | unsigned int cmd; | |
756 | int flags; | |
757 | amdkfd_ioctl_t *func; | |
758 | unsigned int cmd_drv; | |
759 | const char *name; | |
760 | }; | |
67f7cf9f | 761 | bool kfd_dev_is_large_bar(struct kfd_dev *dev); |
76baee6c | 762 | |
1679ae8f | 763 | int kfd_process_create_wq(void); |
19f6d2a6 | 764 | void kfd_process_destroy_wq(void); |
373d7080 | 765 | struct kfd_process *kfd_create_process(struct file *filep); |
19f6d2a6 | 766 | struct kfd_process *kfd_get_process(const struct task_struct *); |
f3a39818 | 767 | struct kfd_process *kfd_lookup_process_by_pasid(unsigned int pasid); |
26103436 | 768 | struct kfd_process *kfd_lookup_process_by_mm(const struct mm_struct *mm); |
abb208a8 | 769 | void kfd_unref_process(struct kfd_process *p); |
6b95e797 FK |
770 | int kfd_process_evict_queues(struct kfd_process *p); |
771 | int kfd_process_restore_queues(struct kfd_process *p); | |
26103436 FK |
772 | void kfd_suspend_all_processes(void); |
773 | int kfd_resume_all_processes(void); | |
19f6d2a6 | 774 | |
b84394e2 FK |
775 | int kfd_process_device_init_vm(struct kfd_process_device *pdd, |
776 | struct file *drm_file); | |
64c7f8cf | 777 | struct kfd_process_device *kfd_bind_process_to_device(struct kfd_dev *dev, |
733fa1f7 | 778 | struct kfd_process *p); |
19f6d2a6 | 779 | struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev, |
093c7d8c AS |
780 | struct kfd_process *p); |
781 | struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev, | |
782 | struct kfd_process *p); | |
19f6d2a6 | 783 | |
df03ef93 | 784 | int kfd_reserved_mem_mmap(struct kfd_dev *dev, struct kfd_process *process, |
373d7080 FK |
785 | struct vm_area_struct *vma); |
786 | ||
52b29d73 FK |
787 | /* KFD process API for creating and translating handles */ |
788 | int kfd_process_device_create_obj_handle(struct kfd_process_device *pdd, | |
789 | void *mem); | |
790 | void *kfd_process_device_translate_handle(struct kfd_process_device *p, | |
791 | int handle); | |
792 | void kfd_process_device_remove_obj_handle(struct kfd_process_device *pdd, | |
793 | int handle); | |
794 | ||
775921ed | 795 | /* Process device data iterator */ |
8eabaf54 KR |
796 | struct kfd_process_device *kfd_get_first_process_device_data( |
797 | struct kfd_process *p); | |
798 | struct kfd_process_device *kfd_get_next_process_device_data( | |
799 | struct kfd_process *p, | |
775921ed AS |
800 | struct kfd_process_device *pdd); |
801 | bool kfd_has_process_device_data(struct kfd_process *p); | |
802 | ||
19f6d2a6 OG |
803 | /* PASIDs */ |
804 | int kfd_pasid_init(void); | |
805 | void kfd_pasid_exit(void); | |
806 | bool kfd_set_pasid_limit(unsigned int new_limit); | |
807 | unsigned int kfd_get_pasid_limit(void); | |
808 | unsigned int kfd_pasid_alloc(void); | |
809 | void kfd_pasid_free(unsigned int pasid); | |
810 | ||
811 | /* Doorbells */ | |
ef568db7 | 812 | size_t kfd_doorbell_process_slice(struct kfd_dev *kfd); |
735df2ba FK |
813 | int kfd_doorbell_init(struct kfd_dev *kfd); |
814 | void kfd_doorbell_fini(struct kfd_dev *kfd); | |
df03ef93 HK |
815 | int kfd_doorbell_mmap(struct kfd_dev *dev, struct kfd_process *process, |
816 | struct vm_area_struct *vma); | |
ada2b29c | 817 | void __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, |
19f6d2a6 OG |
818 | unsigned int *doorbell_off); |
819 | void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr); | |
820 | u32 read_kernel_doorbell(u32 __iomem *db); | |
ada2b29c | 821 | void write_kernel_doorbell(void __iomem *db, u32 value); |
9d7d0248 | 822 | void write_kernel_doorbell64(void __iomem *db, u64 value); |
ef568db7 | 823 | unsigned int kfd_doorbell_id_to_offset(struct kfd_dev *kfd, |
19f6d2a6 | 824 | struct kfd_process *process, |
ef568db7 | 825 | unsigned int doorbell_id); |
a91e70e3 FK |
826 | phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev, |
827 | struct kfd_process *process); | |
828 | int kfd_alloc_process_doorbells(struct kfd_process *process); | |
829 | void kfd_free_process_doorbells(struct kfd_process *process); | |
19f6d2a6 | 830 | |
6e81090b OG |
831 | /* GTT Sub-Allocator */ |
832 | ||
833 | int kfd_gtt_sa_allocate(struct kfd_dev *kfd, unsigned int size, | |
834 | struct kfd_mem_obj **mem_obj); | |
835 | ||
836 | int kfd_gtt_sa_free(struct kfd_dev *kfd, struct kfd_mem_obj *mem_obj); | |
837 | ||
4a488a7a OG |
838 | extern struct device *kfd_device; |
839 | ||
de9f26bb KR |
840 | /* KFD's procfs */ |
841 | void kfd_procfs_init(void); | |
842 | void kfd_procfs_shutdown(void); | |
843 | ||
5b5c4e40 EP |
844 | /* Topology */ |
845 | int kfd_topology_init(void); | |
846 | void kfd_topology_shutdown(void); | |
847 | int kfd_topology_add_device(struct kfd_dev *gpu); | |
848 | int kfd_topology_remove_device(struct kfd_dev *gpu); | |
3a87177e HK |
849 | struct kfd_topology_device *kfd_topology_device_by_proximity_domain( |
850 | uint32_t proximity_domain); | |
44d8cc6f | 851 | struct kfd_topology_device *kfd_topology_device_by_id(uint32_t gpu_id); |
5b5c4e40 EP |
852 | struct kfd_dev *kfd_device_by_id(uint32_t gpu_id); |
853 | struct kfd_dev *kfd_device_by_pci_dev(const struct pci_dev *pdev); | |
1dde0ea9 | 854 | struct kfd_dev *kfd_device_by_kgd(const struct kgd_dev *kgd); |
6d82eb0e | 855 | int kfd_topology_enum_kfd_devices(uint8_t idx, struct kfd_dev **kdev); |
520b8fb7 | 856 | int kfd_numa_node_to_apic_id(int numa_node_id); |
5b5c4e40 | 857 | |
4a488a7a | 858 | /* Interrupts */ |
2249d558 AL |
859 | int kfd_interrupt_init(struct kfd_dev *dev); |
860 | void kfd_interrupt_exit(struct kfd_dev *dev); | |
2249d558 | 861 | bool enqueue_ih_ring_entry(struct kfd_dev *kfd, const void *ih_ring_entry); |
58e69886 LX |
862 | bool interrupt_is_wanted(struct kfd_dev *dev, |
863 | const uint32_t *ih_ring_entry, | |
864 | uint32_t *patched_ihre, bool *flag); | |
4a488a7a | 865 | |
19f6d2a6 OG |
866 | /* amdkfd Apertures */ |
867 | int kfd_init_apertures(struct kfd_process *process); | |
868 | ||
ed6e6a34 | 869 | /* Queue Context Management */ |
e88a614c | 870 | int init_queue(struct queue **q, const struct queue_properties *properties); |
ed6e6a34 | 871 | void uninit_queue(struct queue *q); |
45102048 | 872 | void print_queue_properties(struct queue_properties *q); |
ed6e6a34 BG |
873 | void print_queue(struct queue *q); |
874 | ||
4b8f589b BG |
875 | struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type, |
876 | struct kfd_dev *dev); | |
ee04955a FK |
877 | struct mqd_manager *mqd_manager_init_cik_hawaii(enum KFD_MQD_TYPE type, |
878 | struct kfd_dev *dev); | |
4b8f589b BG |
879 | struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, |
880 | struct kfd_dev *dev); | |
ee04955a FK |
881 | struct mqd_manager *mqd_manager_init_vi_tonga(enum KFD_MQD_TYPE type, |
882 | struct kfd_dev *dev); | |
b91d43dd FK |
883 | struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type, |
884 | struct kfd_dev *dev); | |
14328aa5 PC |
885 | struct mqd_manager *mqd_manager_init_v10(enum KFD_MQD_TYPE type, |
886 | struct kfd_dev *dev); | |
64c7f8cf BG |
887 | struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev); |
888 | void device_queue_manager_uninit(struct device_queue_manager *dqm); | |
241f24f8 BG |
889 | struct kernel_queue *kernel_queue_init(struct kfd_dev *dev, |
890 | enum kfd_queue_type type); | |
891 | void kernel_queue_uninit(struct kernel_queue *kq); | |
2640c3fa | 892 | int kfd_process_vm_fault(struct device_queue_manager *dqm, unsigned int pasid); |
241f24f8 | 893 | |
45102048 BG |
894 | /* Process Queue Manager */ |
895 | struct process_queue_node { | |
896 | struct queue *q; | |
897 | struct kernel_queue *kq; | |
898 | struct list_head process_queue_list; | |
899 | }; | |
900 | ||
9fd3f1bf FK |
901 | void kfd_process_dequeue_from_device(struct kfd_process_device *pdd); |
902 | void kfd_process_dequeue_from_all_devices(struct kfd_process *p); | |
45102048 BG |
903 | int pqm_init(struct process_queue_manager *pqm, struct kfd_process *p); |
904 | void pqm_uninit(struct process_queue_manager *pqm); | |
905 | int pqm_create_queue(struct process_queue_manager *pqm, | |
906 | struct kfd_dev *dev, | |
907 | struct file *f, | |
908 | struct queue_properties *properties, | |
45102048 BG |
909 | unsigned int *qid); |
910 | int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid); | |
911 | int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid, | |
912 | struct queue_properties *p); | |
39e7f331 FK |
913 | int pqm_set_cu_mask(struct process_queue_manager *pqm, unsigned int qid, |
914 | struct queue_properties *p); | |
eb82da1d OZ |
915 | int pqm_set_gws(struct process_queue_manager *pqm, unsigned int qid, |
916 | void *gws); | |
fbeb661b YS |
917 | struct kernel_queue *pqm_get_kernel_queue(struct process_queue_manager *pqm, |
918 | unsigned int qid); | |
5df099e8 JC |
919 | int pqm_get_wave_state(struct process_queue_manager *pqm, |
920 | unsigned int qid, | |
921 | void __user *ctl_stack, | |
922 | u32 *ctl_stack_used_size, | |
923 | u32 *save_area_used_size); | |
45102048 | 924 | |
788bf83d | 925 | int amdkfd_fence_wait_timeout(unsigned int *fence_addr, |
14328aa5 PC |
926 | unsigned int fence_value, |
927 | unsigned int timeout_ms); | |
788bf83d | 928 | |
ed6e6a34 BG |
929 | /* Packet Manager */ |
930 | ||
64c7f8cf BG |
931 | #define KFD_FENCE_COMPLETED (100) |
932 | #define KFD_FENCE_INIT (10) | |
241f24f8 | 933 | |
ed6e6a34 BG |
934 | struct packet_manager { |
935 | struct device_queue_manager *dqm; | |
936 | struct kernel_queue *priv_queue; | |
937 | struct mutex lock; | |
938 | bool allocated; | |
939 | struct kfd_mem_obj *ib_buffer_obj; | |
851a645e | 940 | unsigned int ib_size_bytes; |
819ec5ac | 941 | bool is_over_subscription; |
f6e27ff1 FK |
942 | |
943 | const struct packet_manager_funcs *pmf; | |
944 | }; | |
945 | ||
946 | struct packet_manager_funcs { | |
947 | /* Support ASIC-specific packet formats for PM4 packets */ | |
948 | int (*map_process)(struct packet_manager *pm, uint32_t *buffer, | |
949 | struct qcm_process_device *qpd); | |
950 | int (*runlist)(struct packet_manager *pm, uint32_t *buffer, | |
951 | uint64_t ib, size_t ib_size_in_dwords, bool chain); | |
952 | int (*set_resources)(struct packet_manager *pm, uint32_t *buffer, | |
953 | struct scheduling_resources *res); | |
954 | int (*map_queues)(struct packet_manager *pm, uint32_t *buffer, | |
955 | struct queue *q, bool is_static); | |
956 | int (*unmap_queues)(struct packet_manager *pm, uint32_t *buffer, | |
957 | enum kfd_queue_type type, | |
958 | enum kfd_unmap_queues_filter mode, | |
959 | uint32_t filter_param, bool reset, | |
960 | unsigned int sdma_engine); | |
961 | int (*query_status)(struct packet_manager *pm, uint32_t *buffer, | |
962 | uint64_t fence_address, uint32_t fence_value); | |
963 | int (*release_mem)(uint64_t gpu_addr, uint32_t *buffer); | |
964 | ||
965 | /* Packet sizes */ | |
966 | int map_process_size; | |
967 | int runlist_size; | |
968 | int set_resources_size; | |
969 | int map_queues_size; | |
970 | int unmap_queues_size; | |
971 | int query_status_size; | |
972 | int release_mem_size; | |
ed6e6a34 BG |
973 | }; |
974 | ||
f6e27ff1 | 975 | extern const struct packet_manager_funcs kfd_vi_pm_funcs; |
454150b1 | 976 | extern const struct packet_manager_funcs kfd_v9_pm_funcs; |
14328aa5 | 977 | extern const struct packet_manager_funcs kfd_v10_pm_funcs; |
f6e27ff1 | 978 | |
64c7f8cf BG |
979 | int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm); |
980 | void pm_uninit(struct packet_manager *pm); | |
981 | int pm_send_set_resources(struct packet_manager *pm, | |
982 | struct scheduling_resources *res); | |
983 | int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues); | |
984 | int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address, | |
985 | uint32_t fence_value); | |
986 | ||
987 | int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type, | |
7da2bcf8 | 988 | enum kfd_unmap_queues_filter mode, |
64c7f8cf BG |
989 | uint32_t filter_param, bool reset, |
990 | unsigned int sdma_engine); | |
991 | ||
241f24f8 BG |
992 | void pm_release_ib(struct packet_manager *pm); |
993 | ||
454150b1 FK |
994 | /* Following PM funcs can be shared among VI and AI */ |
995 | unsigned int pm_build_pm4_header(unsigned int opcode, size_t packet_size); | |
996 | int pm_set_resources_vi(struct packet_manager *pm, uint32_t *buffer, | |
14328aa5 PC |
997 | struct scheduling_resources *res); |
998 | ||
454150b1 | 999 | |
19f6d2a6 | 1000 | uint64_t kfd_get_number_elems(struct kfd_dev *kfd); |
19f6d2a6 | 1001 | |
f3a39818 AL |
1002 | /* Events */ |
1003 | extern const struct kfd_event_interrupt_class event_interrupt_class_cik; | |
ca750681 FK |
1004 | extern const struct kfd_event_interrupt_class event_interrupt_class_v9; |
1005 | ||
930c5ff4 | 1006 | extern const struct kfd_device_global_init_class device_global_init_class_cik; |
f3a39818 | 1007 | |
f3a39818 AL |
1008 | void kfd_event_init_process(struct kfd_process *p); |
1009 | void kfd_event_free_process(struct kfd_process *p); | |
1010 | int kfd_event_mmap(struct kfd_process *process, struct vm_area_struct *vma); | |
1011 | int kfd_wait_on_events(struct kfd_process *p, | |
59d3e8be | 1012 | uint32_t num_events, void __user *data, |
f3a39818 | 1013 | bool all, uint32_t user_timeout_ms, |
fdf0c833 | 1014 | uint32_t *wait_result); |
f3a39818 AL |
1015 | void kfd_signal_event_interrupt(unsigned int pasid, uint32_t partial_id, |
1016 | uint32_t valid_id_bits); | |
59d3e8be AS |
1017 | void kfd_signal_iommu_event(struct kfd_dev *dev, |
1018 | unsigned int pasid, unsigned long address, | |
1019 | bool is_write_requested, bool is_execute_requested); | |
930c5ff4 | 1020 | void kfd_signal_hw_exception_event(unsigned int pasid); |
f3a39818 AL |
1021 | int kfd_set_event(struct kfd_process *p, uint32_t event_id); |
1022 | int kfd_reset_event(struct kfd_process *p, uint32_t event_id); | |
0fc8011f FK |
1023 | int kfd_event_page_set(struct kfd_process *p, void *kernel_address, |
1024 | uint64_t size); | |
f3a39818 AL |
1025 | int kfd_event_create(struct file *devkfd, struct kfd_process *p, |
1026 | uint32_t event_type, bool auto_reset, uint32_t node_id, | |
1027 | uint32_t *event_id, uint32_t *event_trigger_data, | |
1028 | uint64_t *event_page_offset, uint32_t *event_slot_index); | |
1029 | int kfd_event_destroy(struct kfd_process *p, uint32_t event_id); | |
1030 | ||
2640c3fa | 1031 | void kfd_signal_vm_fault_event(struct kfd_dev *dev, unsigned int pasid, |
1032 | struct kfd_vm_fault_info *info); | |
1033 | ||
e42051d2 SL |
1034 | void kfd_signal_reset_event(struct kfd_dev *dev); |
1035 | ||
403575c4 FK |
1036 | void kfd_flush_tlb(struct kfd_process_device *pdd); |
1037 | ||
c3447e81 BG |
1038 | int dbgdev_wave_reset_wavefronts(struct kfd_dev *dev, struct kfd_process *p); |
1039 | ||
e42051d2 SL |
1040 | bool kfd_is_locked(void); |
1041 | ||
f756e631 HK |
1042 | /* Compute profile */ |
1043 | void kfd_inc_compute_active(struct kfd_dev *dev); | |
1044 | void kfd_dec_compute_active(struct kfd_dev *dev); | |
1045 | ||
851a645e FK |
1046 | /* Debugfs */ |
1047 | #if defined(CONFIG_DEBUG_FS) | |
1048 | ||
1049 | void kfd_debugfs_init(void); | |
1050 | void kfd_debugfs_fini(void); | |
1051 | int kfd_debugfs_mqds_by_process(struct seq_file *m, void *data); | |
1052 | int pqm_debugfs_mqds(struct seq_file *m, void *data); | |
1053 | int kfd_debugfs_hqds_by_device(struct seq_file *m, void *data); | |
1054 | int dqm_debugfs_hqds(struct seq_file *m, void *data); | |
1055 | int kfd_debugfs_rls_by_device(struct seq_file *m, void *data); | |
1056 | int pm_debugfs_runlist(struct seq_file *m, void *data); | |
1057 | ||
a29ec470 SL |
1058 | int kfd_debugfs_hang_hws(struct kfd_dev *dev); |
1059 | int pm_debugfs_hang_hws(struct packet_manager *pm); | |
1060 | int dqm_debugfs_execute_queues(struct device_queue_manager *dqm); | |
1061 | ||
851a645e FK |
1062 | #else |
1063 | ||
1064 | static inline void kfd_debugfs_init(void) {} | |
1065 | static inline void kfd_debugfs_fini(void) {} | |
1066 | ||
1067 | #endif | |
1068 | ||
4a488a7a | 1069 | #endif |