Loading...
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#include <linux/module.h>
24#include <linux/fdtable.h>
25#include <linux/uaccess.h>
26#include <linux/firmware.h>
27#include <drm/drmP.h>
28#include "amdgpu.h"
29#include "amdgpu_amdkfd.h"
30#include "amdgpu_ucode.h"
31#include "gca/gfx_8_0_sh_mask.h"
32#include "gca/gfx_8_0_d.h"
33#include "gca/gfx_8_0_enum.h"
34#include "oss/oss_3_0_sh_mask.h"
35#include "oss/oss_3_0_d.h"
36#include "gmc/gmc_8_1_sh_mask.h"
37#include "gmc/gmc_8_1_d.h"
38#include "vi_structs.h"
39#include "vid.h"
40
41#define VI_PIPE_PER_MEC (4)
42
43struct cik_sdma_rlc_registers;
44
45/*
46 * Register access functions
47 */
48
49static void kgd_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid,
50 uint32_t sh_mem_config,
51 uint32_t sh_mem_ape1_base, uint32_t sh_mem_ape1_limit,
52 uint32_t sh_mem_bases);
53static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid,
54 unsigned int vmid);
55static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id,
56 uint32_t hpd_size, uint64_t hpd_gpu_addr);
57static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id);
58static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
59 uint32_t queue_id, uint32_t __user *wptr);
60static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd);
61static bool kgd_hqd_is_occupied(struct kgd_dev *kgd, uint64_t queue_address,
62 uint32_t pipe_id, uint32_t queue_id);
63static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd);
64static int kgd_hqd_destroy(struct kgd_dev *kgd, uint32_t reset_type,
65 unsigned int timeout, uint32_t pipe_id,
66 uint32_t queue_id);
67static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void *mqd,
68 unsigned int timeout);
69static void write_vmid_invalidate_request(struct kgd_dev *kgd, uint8_t vmid);
70static int kgd_address_watch_disable(struct kgd_dev *kgd);
71static int kgd_address_watch_execute(struct kgd_dev *kgd,
72 unsigned int watch_point_id,
73 uint32_t cntl_val,
74 uint32_t addr_hi,
75 uint32_t addr_lo);
76static int kgd_wave_control_execute(struct kgd_dev *kgd,
77 uint32_t gfx_index_val,
78 uint32_t sq_cmd);
79static uint32_t kgd_address_watch_get_offset(struct kgd_dev *kgd,
80 unsigned int watch_point_id,
81 unsigned int reg_offset);
82
83static bool get_atc_vmid_pasid_mapping_valid(struct kgd_dev *kgd,
84 uint8_t vmid);
85static uint16_t get_atc_vmid_pasid_mapping_pasid(struct kgd_dev *kgd,
86 uint8_t vmid);
87static void write_vmid_invalidate_request(struct kgd_dev *kgd, uint8_t vmid);
88static uint16_t get_fw_version(struct kgd_dev *kgd, enum kgd_engine_type type);
89
90static const struct kfd2kgd_calls kfd2kgd = {
91 .init_gtt_mem_allocation = alloc_gtt_mem,
92 .free_gtt_mem = free_gtt_mem,
93 .get_vmem_size = get_vmem_size,
94 .get_gpu_clock_counter = get_gpu_clock_counter,
95 .get_max_engine_clock_in_mhz = get_max_engine_clock_in_mhz,
96 .program_sh_mem_settings = kgd_program_sh_mem_settings,
97 .set_pasid_vmid_mapping = kgd_set_pasid_vmid_mapping,
98 .init_pipeline = kgd_init_pipeline,
99 .init_interrupts = kgd_init_interrupts,
100 .hqd_load = kgd_hqd_load,
101 .hqd_sdma_load = kgd_hqd_sdma_load,
102 .hqd_is_occupied = kgd_hqd_is_occupied,
103 .hqd_sdma_is_occupied = kgd_hqd_sdma_is_occupied,
104 .hqd_destroy = kgd_hqd_destroy,
105 .hqd_sdma_destroy = kgd_hqd_sdma_destroy,
106 .address_watch_disable = kgd_address_watch_disable,
107 .address_watch_execute = kgd_address_watch_execute,
108 .wave_control_execute = kgd_wave_control_execute,
109 .address_watch_get_offset = kgd_address_watch_get_offset,
110 .get_atc_vmid_pasid_mapping_pasid =
111 get_atc_vmid_pasid_mapping_pasid,
112 .get_atc_vmid_pasid_mapping_valid =
113 get_atc_vmid_pasid_mapping_valid,
114 .write_vmid_invalidate_request = write_vmid_invalidate_request,
115 .get_fw_version = get_fw_version
116};
117
118struct kfd2kgd_calls *amdgpu_amdkfd_gfx_8_0_get_functions(void)
119{
120 return (struct kfd2kgd_calls *)&kfd2kgd;
121}
122
123static inline struct amdgpu_device *get_amdgpu_device(struct kgd_dev *kgd)
124{
125 return (struct amdgpu_device *)kgd;
126}
127
128static void lock_srbm(struct kgd_dev *kgd, uint32_t mec, uint32_t pipe,
129 uint32_t queue, uint32_t vmid)
130{
131 struct amdgpu_device *adev = get_amdgpu_device(kgd);
132 uint32_t value = PIPEID(pipe) | MEID(mec) | VMID(vmid) | QUEUEID(queue);
133
134 mutex_lock(&adev->srbm_mutex);
135 WREG32(mmSRBM_GFX_CNTL, value);
136}
137
138static void unlock_srbm(struct kgd_dev *kgd)
139{
140 struct amdgpu_device *adev = get_amdgpu_device(kgd);
141
142 WREG32(mmSRBM_GFX_CNTL, 0);
143 mutex_unlock(&adev->srbm_mutex);
144}
145
146static void acquire_queue(struct kgd_dev *kgd, uint32_t pipe_id,
147 uint32_t queue_id)
148{
149 uint32_t mec = (++pipe_id / VI_PIPE_PER_MEC) + 1;
150 uint32_t pipe = (pipe_id % VI_PIPE_PER_MEC);
151
152 lock_srbm(kgd, mec, pipe, queue_id, 0);
153}
154
155static void release_queue(struct kgd_dev *kgd)
156{
157 unlock_srbm(kgd);
158}
159
160static void kgd_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid,
161 uint32_t sh_mem_config,
162 uint32_t sh_mem_ape1_base,
163 uint32_t sh_mem_ape1_limit,
164 uint32_t sh_mem_bases)
165{
166 struct amdgpu_device *adev = get_amdgpu_device(kgd);
167
168 lock_srbm(kgd, 0, 0, 0, vmid);
169
170 WREG32(mmSH_MEM_CONFIG, sh_mem_config);
171 WREG32(mmSH_MEM_APE1_BASE, sh_mem_ape1_base);
172 WREG32(mmSH_MEM_APE1_LIMIT, sh_mem_ape1_limit);
173 WREG32(mmSH_MEM_BASES, sh_mem_bases);
174
175 unlock_srbm(kgd);
176}
177
178static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid,
179 unsigned int vmid)
180{
181 struct amdgpu_device *adev = get_amdgpu_device(kgd);
182
183 /*
184 * We have to assume that there is no outstanding mapping.
185 * The ATC_VMID_PASID_MAPPING_UPDATE_STATUS bit could be 0 because
186 * a mapping is in progress or because a mapping finished
187 * and the SW cleared it.
188 * So the protocol is to always wait & clear.
189 */
190 uint32_t pasid_mapping = (pasid == 0) ? 0 : (uint32_t)pasid |
191 ATC_VMID0_PASID_MAPPING__VALID_MASK;
192
193 WREG32(mmATC_VMID0_PASID_MAPPING + vmid, pasid_mapping);
194
195 while (!(RREG32(mmATC_VMID_PASID_MAPPING_UPDATE_STATUS) & (1U << vmid)))
196 cpu_relax();
197 WREG32(mmATC_VMID_PASID_MAPPING_UPDATE_STATUS, 1U << vmid);
198
199 /* Mapping vmid to pasid also for IH block */
200 WREG32(mmIH_VMID_0_LUT + vmid, pasid_mapping);
201
202 return 0;
203}
204
205static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id,
206 uint32_t hpd_size, uint64_t hpd_gpu_addr)
207{
208 return 0;
209}
210
211static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id)
212{
213 struct amdgpu_device *adev = get_amdgpu_device(kgd);
214 uint32_t mec;
215 uint32_t pipe;
216
217 mec = (++pipe_id / VI_PIPE_PER_MEC) + 1;
218 pipe = (pipe_id % VI_PIPE_PER_MEC);
219
220 lock_srbm(kgd, mec, pipe, 0, 0);
221
222 WREG32(mmCPC_INT_CNTL, CP_INT_CNTL_RING0__TIME_STAMP_INT_ENABLE_MASK);
223
224 unlock_srbm(kgd);
225
226 return 0;
227}
228
229static inline uint32_t get_sdma_base_addr(struct cik_sdma_rlc_registers *m)
230{
231 return 0;
232}
233
234static inline struct vi_mqd *get_mqd(void *mqd)
235{
236 return (struct vi_mqd *)mqd;
237}
238
239static inline struct cik_sdma_rlc_registers *get_sdma_mqd(void *mqd)
240{
241 return (struct cik_sdma_rlc_registers *)mqd;
242}
243
244static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
245 uint32_t queue_id, uint32_t __user *wptr)
246{
247 struct vi_mqd *m;
248 uint32_t shadow_wptr, valid_wptr;
249 struct amdgpu_device *adev = get_amdgpu_device(kgd);
250
251 m = get_mqd(mqd);
252
253 valid_wptr = copy_from_user(&shadow_wptr, wptr, sizeof(shadow_wptr));
254 acquire_queue(kgd, pipe_id, queue_id);
255
256 WREG32(mmCP_MQD_CONTROL, m->cp_mqd_control);
257 WREG32(mmCP_MQD_BASE_ADDR, m->cp_mqd_base_addr_lo);
258 WREG32(mmCP_MQD_BASE_ADDR_HI, m->cp_mqd_base_addr_hi);
259
260 WREG32(mmCP_HQD_VMID, m->cp_hqd_vmid);
261 WREG32(mmCP_HQD_PERSISTENT_STATE, m->cp_hqd_persistent_state);
262 WREG32(mmCP_HQD_PIPE_PRIORITY, m->cp_hqd_pipe_priority);
263 WREG32(mmCP_HQD_QUEUE_PRIORITY, m->cp_hqd_queue_priority);
264 WREG32(mmCP_HQD_QUANTUM, m->cp_hqd_quantum);
265 WREG32(mmCP_HQD_PQ_BASE, m->cp_hqd_pq_base_lo);
266 WREG32(mmCP_HQD_PQ_BASE_HI, m->cp_hqd_pq_base_hi);
267 WREG32(mmCP_HQD_PQ_RPTR_REPORT_ADDR, m->cp_hqd_pq_rptr_report_addr_lo);
268 WREG32(mmCP_HQD_PQ_RPTR_REPORT_ADDR_HI,
269 m->cp_hqd_pq_rptr_report_addr_hi);
270
271 if (valid_wptr > 0)
272 WREG32(mmCP_HQD_PQ_WPTR, shadow_wptr);
273
274 WREG32(mmCP_HQD_PQ_CONTROL, m->cp_hqd_pq_control);
275 WREG32(mmCP_HQD_PQ_DOORBELL_CONTROL, m->cp_hqd_pq_doorbell_control);
276
277 WREG32(mmCP_HQD_EOP_BASE_ADDR, m->cp_hqd_eop_base_addr_lo);
278 WREG32(mmCP_HQD_EOP_BASE_ADDR_HI, m->cp_hqd_eop_base_addr_hi);
279 WREG32(mmCP_HQD_EOP_CONTROL, m->cp_hqd_eop_control);
280 WREG32(mmCP_HQD_EOP_RPTR, m->cp_hqd_eop_rptr);
281 WREG32(mmCP_HQD_EOP_WPTR, m->cp_hqd_eop_wptr);
282 WREG32(mmCP_HQD_EOP_EVENTS, m->cp_hqd_eop_done_events);
283
284 WREG32(mmCP_HQD_CTX_SAVE_BASE_ADDR_LO, m->cp_hqd_ctx_save_base_addr_lo);
285 WREG32(mmCP_HQD_CTX_SAVE_BASE_ADDR_HI, m->cp_hqd_ctx_save_base_addr_hi);
286 WREG32(mmCP_HQD_CTX_SAVE_CONTROL, m->cp_hqd_ctx_save_control);
287 WREG32(mmCP_HQD_CNTL_STACK_OFFSET, m->cp_hqd_cntl_stack_offset);
288 WREG32(mmCP_HQD_CNTL_STACK_SIZE, m->cp_hqd_cntl_stack_size);
289 WREG32(mmCP_HQD_WG_STATE_OFFSET, m->cp_hqd_wg_state_offset);
290 WREG32(mmCP_HQD_CTX_SAVE_SIZE, m->cp_hqd_ctx_save_size);
291
292 WREG32(mmCP_HQD_IB_CONTROL, m->cp_hqd_ib_control);
293
294 WREG32(mmCP_HQD_DEQUEUE_REQUEST, m->cp_hqd_dequeue_request);
295 WREG32(mmCP_HQD_ERROR, m->cp_hqd_error);
296 WREG32(mmCP_HQD_EOP_WPTR_MEM, m->cp_hqd_eop_wptr_mem);
297 WREG32(mmCP_HQD_EOP_DONES, m->cp_hqd_eop_dones);
298
299 WREG32(mmCP_HQD_ACTIVE, m->cp_hqd_active);
300
301 release_queue(kgd);
302
303 return 0;
304}
305
306static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd)
307{
308 return 0;
309}
310
311static bool kgd_hqd_is_occupied(struct kgd_dev *kgd, uint64_t queue_address,
312 uint32_t pipe_id, uint32_t queue_id)
313{
314 struct amdgpu_device *adev = get_amdgpu_device(kgd);
315 uint32_t act;
316 bool retval = false;
317 uint32_t low, high;
318
319 acquire_queue(kgd, pipe_id, queue_id);
320 act = RREG32(mmCP_HQD_ACTIVE);
321 if (act) {
322 low = lower_32_bits(queue_address >> 8);
323 high = upper_32_bits(queue_address >> 8);
324
325 if (low == RREG32(mmCP_HQD_PQ_BASE) &&
326 high == RREG32(mmCP_HQD_PQ_BASE_HI))
327 retval = true;
328 }
329 release_queue(kgd);
330 return retval;
331}
332
333static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd)
334{
335 struct amdgpu_device *adev = get_amdgpu_device(kgd);
336 struct cik_sdma_rlc_registers *m;
337 uint32_t sdma_base_addr;
338 uint32_t sdma_rlc_rb_cntl;
339
340 m = get_sdma_mqd(mqd);
341 sdma_base_addr = get_sdma_base_addr(m);
342
343 sdma_rlc_rb_cntl = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL);
344
345 if (sdma_rlc_rb_cntl & SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK)
346 return true;
347
348 return false;
349}
350
351static int kgd_hqd_destroy(struct kgd_dev *kgd, uint32_t reset_type,
352 unsigned int timeout, uint32_t pipe_id,
353 uint32_t queue_id)
354{
355 struct amdgpu_device *adev = get_amdgpu_device(kgd);
356 uint32_t temp;
357
358 acquire_queue(kgd, pipe_id, queue_id);
359
360 WREG32(mmCP_HQD_DEQUEUE_REQUEST, reset_type);
361
362 while (true) {
363 temp = RREG32(mmCP_HQD_ACTIVE);
364 if (temp & CP_HQD_ACTIVE__ACTIVE_MASK)
365 break;
366 if (timeout == 0) {
367 pr_err("kfd: cp queue preemption time out (%dms)\n",
368 temp);
369 release_queue(kgd);
370 return -ETIME;
371 }
372 msleep(20);
373 timeout -= 20;
374 }
375
376 release_queue(kgd);
377 return 0;
378}
379
380static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void *mqd,
381 unsigned int timeout)
382{
383 struct amdgpu_device *adev = get_amdgpu_device(kgd);
384 struct cik_sdma_rlc_registers *m;
385 uint32_t sdma_base_addr;
386 uint32_t temp;
387
388 m = get_sdma_mqd(mqd);
389 sdma_base_addr = get_sdma_base_addr(m);
390
391 temp = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL);
392 temp = temp & ~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK;
393 WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL, temp);
394
395 while (true) {
396 temp = RREG32(sdma_base_addr + mmSDMA0_RLC0_CONTEXT_STATUS);
397 if (temp & SDMA0_STATUS_REG__RB_CMD_IDLE__SHIFT)
398 break;
399 if (timeout == 0)
400 return -ETIME;
401 msleep(20);
402 timeout -= 20;
403 }
404
405 WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL, 0);
406 WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR, 0);
407 WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR, 0);
408 WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE, 0);
409
410 return 0;
411}
412
413static bool get_atc_vmid_pasid_mapping_valid(struct kgd_dev *kgd,
414 uint8_t vmid)
415{
416 uint32_t reg;
417 struct amdgpu_device *adev = (struct amdgpu_device *) kgd;
418
419 reg = RREG32(mmATC_VMID0_PASID_MAPPING + vmid);
420 return reg & ATC_VMID0_PASID_MAPPING__VALID_MASK;
421}
422
423static uint16_t get_atc_vmid_pasid_mapping_pasid(struct kgd_dev *kgd,
424 uint8_t vmid)
425{
426 uint32_t reg;
427 struct amdgpu_device *adev = (struct amdgpu_device *) kgd;
428
429 reg = RREG32(mmATC_VMID0_PASID_MAPPING + vmid);
430 return reg & ATC_VMID0_PASID_MAPPING__VALID_MASK;
431}
432
433static void write_vmid_invalidate_request(struct kgd_dev *kgd, uint8_t vmid)
434{
435 struct amdgpu_device *adev = (struct amdgpu_device *) kgd;
436
437 WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid);
438}
439
440static int kgd_address_watch_disable(struct kgd_dev *kgd)
441{
442 return 0;
443}
444
445static int kgd_address_watch_execute(struct kgd_dev *kgd,
446 unsigned int watch_point_id,
447 uint32_t cntl_val,
448 uint32_t addr_hi,
449 uint32_t addr_lo)
450{
451 return 0;
452}
453
454static int kgd_wave_control_execute(struct kgd_dev *kgd,
455 uint32_t gfx_index_val,
456 uint32_t sq_cmd)
457{
458 struct amdgpu_device *adev = get_amdgpu_device(kgd);
459 uint32_t data = 0;
460
461 mutex_lock(&adev->grbm_idx_mutex);
462
463 WREG32(mmGRBM_GFX_INDEX, gfx_index_val);
464 WREG32(mmSQ_CMD, sq_cmd);
465
466 data = REG_SET_FIELD(data, GRBM_GFX_INDEX,
467 INSTANCE_BROADCAST_WRITES, 1);
468 data = REG_SET_FIELD(data, GRBM_GFX_INDEX,
469 SH_BROADCAST_WRITES, 1);
470 data = REG_SET_FIELD(data, GRBM_GFX_INDEX,
471 SE_BROADCAST_WRITES, 1);
472
473 WREG32(mmGRBM_GFX_INDEX, data);
474 mutex_unlock(&adev->grbm_idx_mutex);
475
476 return 0;
477}
478
479static uint32_t kgd_address_watch_get_offset(struct kgd_dev *kgd,
480 unsigned int watch_point_id,
481 unsigned int reg_offset)
482{
483 return 0;
484}
485
486static uint16_t get_fw_version(struct kgd_dev *kgd, enum kgd_engine_type type)
487{
488 struct amdgpu_device *adev = (struct amdgpu_device *) kgd;
489 const union amdgpu_firmware_header *hdr;
490
491 BUG_ON(kgd == NULL);
492
493 switch (type) {
494 case KGD_ENGINE_PFP:
495 hdr = (const union amdgpu_firmware_header *)
496 adev->gfx.pfp_fw->data;
497 break;
498
499 case KGD_ENGINE_ME:
500 hdr = (const union amdgpu_firmware_header *)
501 adev->gfx.me_fw->data;
502 break;
503
504 case KGD_ENGINE_CE:
505 hdr = (const union amdgpu_firmware_header *)
506 adev->gfx.ce_fw->data;
507 break;
508
509 case KGD_ENGINE_MEC1:
510 hdr = (const union amdgpu_firmware_header *)
511 adev->gfx.mec_fw->data;
512 break;
513
514 case KGD_ENGINE_MEC2:
515 hdr = (const union amdgpu_firmware_header *)
516 adev->gfx.mec2_fw->data;
517 break;
518
519 case KGD_ENGINE_RLC:
520 hdr = (const union amdgpu_firmware_header *)
521 adev->gfx.rlc_fw->data;
522 break;
523
524 case KGD_ENGINE_SDMA1:
525 hdr = (const union amdgpu_firmware_header *)
526 adev->sdma.instance[0].fw->data;
527 break;
528
529 case KGD_ENGINE_SDMA2:
530 hdr = (const union amdgpu_firmware_header *)
531 adev->sdma.instance[1].fw->data;
532 break;
533
534 default:
535 return 0;
536 }
537
538 if (hdr == NULL)
539 return 0;
540
541 /* Only 12 bit in use*/
542 return hdr->common.ucode_version;
543}
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#include "amdgpu.h"
24#include "amdgpu_amdkfd.h"
25#include "gfx_v8_0.h"
26#include "gca/gfx_8_0_sh_mask.h"
27#include "gca/gfx_8_0_d.h"
28#include "gca/gfx_8_0_enum.h"
29#include "oss/oss_3_0_sh_mask.h"
30#include "oss/oss_3_0_d.h"
31#include "gmc/gmc_8_1_sh_mask.h"
32#include "gmc/gmc_8_1_d.h"
33#include "vi_structs.h"
34#include "vid.h"
35
36enum hqd_dequeue_request_type {
37 NO_ACTION = 0,
38 DRAIN_PIPE,
39 RESET_WAVES
40};
41
42static inline struct amdgpu_device *get_amdgpu_device(struct kgd_dev *kgd)
43{
44 return (struct amdgpu_device *)kgd;
45}
46
47static void lock_srbm(struct kgd_dev *kgd, uint32_t mec, uint32_t pipe,
48 uint32_t queue, uint32_t vmid)
49{
50 struct amdgpu_device *adev = get_amdgpu_device(kgd);
51 uint32_t value = PIPEID(pipe) | MEID(mec) | VMID(vmid) | QUEUEID(queue);
52
53 mutex_lock(&adev->srbm_mutex);
54 WREG32(mmSRBM_GFX_CNTL, value);
55}
56
57static void unlock_srbm(struct kgd_dev *kgd)
58{
59 struct amdgpu_device *adev = get_amdgpu_device(kgd);
60
61 WREG32(mmSRBM_GFX_CNTL, 0);
62 mutex_unlock(&adev->srbm_mutex);
63}
64
65static void acquire_queue(struct kgd_dev *kgd, uint32_t pipe_id,
66 uint32_t queue_id)
67{
68 struct amdgpu_device *adev = get_amdgpu_device(kgd);
69
70 uint32_t mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1;
71 uint32_t pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec);
72
73 lock_srbm(kgd, mec, pipe, queue_id, 0);
74}
75
76static void release_queue(struct kgd_dev *kgd)
77{
78 unlock_srbm(kgd);
79}
80
81static void kgd_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid,
82 uint32_t sh_mem_config,
83 uint32_t sh_mem_ape1_base,
84 uint32_t sh_mem_ape1_limit,
85 uint32_t sh_mem_bases)
86{
87 struct amdgpu_device *adev = get_amdgpu_device(kgd);
88
89 lock_srbm(kgd, 0, 0, 0, vmid);
90
91 WREG32(mmSH_MEM_CONFIG, sh_mem_config);
92 WREG32(mmSH_MEM_APE1_BASE, sh_mem_ape1_base);
93 WREG32(mmSH_MEM_APE1_LIMIT, sh_mem_ape1_limit);
94 WREG32(mmSH_MEM_BASES, sh_mem_bases);
95
96 unlock_srbm(kgd);
97}
98
99static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, u32 pasid,
100 unsigned int vmid)
101{
102 struct amdgpu_device *adev = get_amdgpu_device(kgd);
103
104 /*
105 * We have to assume that there is no outstanding mapping.
106 * The ATC_VMID_PASID_MAPPING_UPDATE_STATUS bit could be 0 because
107 * a mapping is in progress or because a mapping finished
108 * and the SW cleared it.
109 * So the protocol is to always wait & clear.
110 */
111 uint32_t pasid_mapping = (pasid == 0) ? 0 : (uint32_t)pasid |
112 ATC_VMID0_PASID_MAPPING__VALID_MASK;
113
114 WREG32(mmATC_VMID0_PASID_MAPPING + vmid, pasid_mapping);
115
116 while (!(RREG32(mmATC_VMID_PASID_MAPPING_UPDATE_STATUS) & (1U << vmid)))
117 cpu_relax();
118 WREG32(mmATC_VMID_PASID_MAPPING_UPDATE_STATUS, 1U << vmid);
119
120 /* Mapping vmid to pasid also for IH block */
121 WREG32(mmIH_VMID_0_LUT + vmid, pasid_mapping);
122
123 return 0;
124}
125
126static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id)
127{
128 struct amdgpu_device *adev = get_amdgpu_device(kgd);
129 uint32_t mec;
130 uint32_t pipe;
131
132 mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1;
133 pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec);
134
135 lock_srbm(kgd, mec, pipe, 0, 0);
136
137 WREG32(mmCPC_INT_CNTL, CP_INT_CNTL_RING0__TIME_STAMP_INT_ENABLE_MASK |
138 CP_INT_CNTL_RING0__OPCODE_ERROR_INT_ENABLE_MASK);
139
140 unlock_srbm(kgd);
141
142 return 0;
143}
144
145static inline uint32_t get_sdma_rlc_reg_offset(struct vi_sdma_mqd *m)
146{
147 uint32_t retval;
148
149 retval = m->sdma_engine_id * SDMA1_REGISTER_OFFSET +
150 m->sdma_queue_id * KFD_VI_SDMA_QUEUE_OFFSET;
151
152 pr_debug("RLC register offset for SDMA%d RLC%d: 0x%x\n",
153 m->sdma_engine_id, m->sdma_queue_id, retval);
154
155 return retval;
156}
157
158static inline struct vi_mqd *get_mqd(void *mqd)
159{
160 return (struct vi_mqd *)mqd;
161}
162
163static inline struct vi_sdma_mqd *get_sdma_mqd(void *mqd)
164{
165 return (struct vi_sdma_mqd *)mqd;
166}
167
168static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
169 uint32_t queue_id, uint32_t __user *wptr,
170 uint32_t wptr_shift, uint32_t wptr_mask,
171 struct mm_struct *mm)
172{
173 struct amdgpu_device *adev = get_amdgpu_device(kgd);
174 struct vi_mqd *m;
175 uint32_t *mqd_hqd;
176 uint32_t reg, wptr_val, data;
177 bool valid_wptr = false;
178
179 m = get_mqd(mqd);
180
181 acquire_queue(kgd, pipe_id, queue_id);
182
183 /* HIQ is set during driver init period with vmid set to 0*/
184 if (m->cp_hqd_vmid == 0) {
185 uint32_t value, mec, pipe;
186
187 mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1;
188 pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec);
189
190 pr_debug("kfd: set HIQ, mec:%d, pipe:%d, queue:%d.\n",
191 mec, pipe, queue_id);
192 value = RREG32(mmRLC_CP_SCHEDULERS);
193 value = REG_SET_FIELD(value, RLC_CP_SCHEDULERS, scheduler1,
194 ((mec << 5) | (pipe << 3) | queue_id | 0x80));
195 WREG32(mmRLC_CP_SCHEDULERS, value);
196 }
197
198 /* HQD registers extend from CP_MQD_BASE_ADDR to CP_HQD_EOP_WPTR_MEM. */
199 mqd_hqd = &m->cp_mqd_base_addr_lo;
200
201 for (reg = mmCP_MQD_BASE_ADDR; reg <= mmCP_HQD_EOP_CONTROL; reg++)
202 WREG32(reg, mqd_hqd[reg - mmCP_MQD_BASE_ADDR]);
203
204 /* Tonga errata: EOP RPTR/WPTR should be left unmodified.
205 * This is safe since EOP RPTR==WPTR for any inactive HQD
206 * on ASICs that do not support context-save.
207 * EOP writes/reads can start anywhere in the ring.
208 */
209 if (get_amdgpu_device(kgd)->asic_type != CHIP_TONGA) {
210 WREG32(mmCP_HQD_EOP_RPTR, m->cp_hqd_eop_rptr);
211 WREG32(mmCP_HQD_EOP_WPTR, m->cp_hqd_eop_wptr);
212 WREG32(mmCP_HQD_EOP_WPTR_MEM, m->cp_hqd_eop_wptr_mem);
213 }
214
215 for (reg = mmCP_HQD_EOP_EVENTS; reg <= mmCP_HQD_ERROR; reg++)
216 WREG32(reg, mqd_hqd[reg - mmCP_MQD_BASE_ADDR]);
217
218 /* Copy userspace write pointer value to register.
219 * Activate doorbell logic to monitor subsequent changes.
220 */
221 data = REG_SET_FIELD(m->cp_hqd_pq_doorbell_control,
222 CP_HQD_PQ_DOORBELL_CONTROL, DOORBELL_EN, 1);
223 WREG32(mmCP_HQD_PQ_DOORBELL_CONTROL, data);
224
225 /* read_user_ptr may take the mm->mmap_lock.
226 * release srbm_mutex to avoid circular dependency between
227 * srbm_mutex->mm_sem->reservation_ww_class_mutex->srbm_mutex.
228 */
229 release_queue(kgd);
230 valid_wptr = read_user_wptr(mm, wptr, wptr_val);
231 acquire_queue(kgd, pipe_id, queue_id);
232 if (valid_wptr)
233 WREG32(mmCP_HQD_PQ_WPTR, (wptr_val << wptr_shift) & wptr_mask);
234
235 data = REG_SET_FIELD(m->cp_hqd_active, CP_HQD_ACTIVE, ACTIVE, 1);
236 WREG32(mmCP_HQD_ACTIVE, data);
237
238 release_queue(kgd);
239
240 return 0;
241}
242
243static int kgd_hqd_dump(struct kgd_dev *kgd,
244 uint32_t pipe_id, uint32_t queue_id,
245 uint32_t (**dump)[2], uint32_t *n_regs)
246{
247 struct amdgpu_device *adev = get_amdgpu_device(kgd);
248 uint32_t i = 0, reg;
249#define HQD_N_REGS (54+4)
250#define DUMP_REG(addr) do { \
251 if (WARN_ON_ONCE(i >= HQD_N_REGS)) \
252 break; \
253 (*dump)[i][0] = (addr) << 2; \
254 (*dump)[i++][1] = RREG32(addr); \
255 } while (0)
256
257 *dump = kmalloc_array(HQD_N_REGS * 2, sizeof(uint32_t), GFP_KERNEL);
258 if (*dump == NULL)
259 return -ENOMEM;
260
261 acquire_queue(kgd, pipe_id, queue_id);
262
263 DUMP_REG(mmCOMPUTE_STATIC_THREAD_MGMT_SE0);
264 DUMP_REG(mmCOMPUTE_STATIC_THREAD_MGMT_SE1);
265 DUMP_REG(mmCOMPUTE_STATIC_THREAD_MGMT_SE2);
266 DUMP_REG(mmCOMPUTE_STATIC_THREAD_MGMT_SE3);
267
268 for (reg = mmCP_MQD_BASE_ADDR; reg <= mmCP_HQD_EOP_DONES; reg++)
269 DUMP_REG(reg);
270
271 release_queue(kgd);
272
273 WARN_ON_ONCE(i != HQD_N_REGS);
274 *n_regs = i;
275
276 return 0;
277}
278
279static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd,
280 uint32_t __user *wptr, struct mm_struct *mm)
281{
282 struct amdgpu_device *adev = get_amdgpu_device(kgd);
283 struct vi_sdma_mqd *m;
284 unsigned long end_jiffies;
285 uint32_t sdma_rlc_reg_offset;
286 uint32_t data;
287
288 m = get_sdma_mqd(mqd);
289 sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(m);
290 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL,
291 m->sdmax_rlcx_rb_cntl & (~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK));
292
293 end_jiffies = msecs_to_jiffies(2000) + jiffies;
294 while (true) {
295 data = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_CONTEXT_STATUS);
296 if (data & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK)
297 break;
298 if (time_after(jiffies, end_jiffies)) {
299 pr_err("SDMA RLC not idle in %s\n", __func__);
300 return -ETIME;
301 }
302 usleep_range(500, 1000);
303 }
304
305 data = REG_SET_FIELD(m->sdmax_rlcx_doorbell, SDMA0_RLC0_DOORBELL,
306 ENABLE, 1);
307 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_DOORBELL, data);
308 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR,
309 m->sdmax_rlcx_rb_rptr);
310
311 if (read_user_wptr(mm, wptr, data))
312 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR, data);
313 else
314 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR,
315 m->sdmax_rlcx_rb_rptr);
316
317 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_VIRTUAL_ADDR,
318 m->sdmax_rlcx_virtual_addr);
319 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_BASE, m->sdmax_rlcx_rb_base);
320 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_BASE_HI,
321 m->sdmax_rlcx_rb_base_hi);
322 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_ADDR_LO,
323 m->sdmax_rlcx_rb_rptr_addr_lo);
324 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_ADDR_HI,
325 m->sdmax_rlcx_rb_rptr_addr_hi);
326
327 data = REG_SET_FIELD(m->sdmax_rlcx_rb_cntl, SDMA0_RLC0_RB_CNTL,
328 RB_ENABLE, 1);
329 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, data);
330
331 return 0;
332}
333
334static int kgd_hqd_sdma_dump(struct kgd_dev *kgd,
335 uint32_t engine_id, uint32_t queue_id,
336 uint32_t (**dump)[2], uint32_t *n_regs)
337{
338 struct amdgpu_device *adev = get_amdgpu_device(kgd);
339 uint32_t sdma_offset = engine_id * SDMA1_REGISTER_OFFSET +
340 queue_id * KFD_VI_SDMA_QUEUE_OFFSET;
341 uint32_t i = 0, reg;
342#undef HQD_N_REGS
343#define HQD_N_REGS (19+4+2+3+7)
344
345 *dump = kmalloc_array(HQD_N_REGS * 2, sizeof(uint32_t), GFP_KERNEL);
346 if (*dump == NULL)
347 return -ENOMEM;
348
349 for (reg = mmSDMA0_RLC0_RB_CNTL; reg <= mmSDMA0_RLC0_DOORBELL; reg++)
350 DUMP_REG(sdma_offset + reg);
351 for (reg = mmSDMA0_RLC0_VIRTUAL_ADDR; reg <= mmSDMA0_RLC0_WATERMARK;
352 reg++)
353 DUMP_REG(sdma_offset + reg);
354 for (reg = mmSDMA0_RLC0_CSA_ADDR_LO; reg <= mmSDMA0_RLC0_CSA_ADDR_HI;
355 reg++)
356 DUMP_REG(sdma_offset + reg);
357 for (reg = mmSDMA0_RLC0_IB_SUB_REMAIN; reg <= mmSDMA0_RLC0_DUMMY_REG;
358 reg++)
359 DUMP_REG(sdma_offset + reg);
360 for (reg = mmSDMA0_RLC0_MIDCMD_DATA0; reg <= mmSDMA0_RLC0_MIDCMD_CNTL;
361 reg++)
362 DUMP_REG(sdma_offset + reg);
363
364 WARN_ON_ONCE(i != HQD_N_REGS);
365 *n_regs = i;
366
367 return 0;
368}
369
370static bool kgd_hqd_is_occupied(struct kgd_dev *kgd, uint64_t queue_address,
371 uint32_t pipe_id, uint32_t queue_id)
372{
373 struct amdgpu_device *adev = get_amdgpu_device(kgd);
374 uint32_t act;
375 bool retval = false;
376 uint32_t low, high;
377
378 acquire_queue(kgd, pipe_id, queue_id);
379 act = RREG32(mmCP_HQD_ACTIVE);
380 if (act) {
381 low = lower_32_bits(queue_address >> 8);
382 high = upper_32_bits(queue_address >> 8);
383
384 if (low == RREG32(mmCP_HQD_PQ_BASE) &&
385 high == RREG32(mmCP_HQD_PQ_BASE_HI))
386 retval = true;
387 }
388 release_queue(kgd);
389 return retval;
390}
391
392static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd)
393{
394 struct amdgpu_device *adev = get_amdgpu_device(kgd);
395 struct vi_sdma_mqd *m;
396 uint32_t sdma_rlc_reg_offset;
397 uint32_t sdma_rlc_rb_cntl;
398
399 m = get_sdma_mqd(mqd);
400 sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(m);
401
402 sdma_rlc_rb_cntl = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL);
403
404 if (sdma_rlc_rb_cntl & SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK)
405 return true;
406
407 return false;
408}
409
410static int kgd_hqd_destroy(struct kgd_dev *kgd, void *mqd,
411 enum kfd_preempt_type reset_type,
412 unsigned int utimeout, uint32_t pipe_id,
413 uint32_t queue_id)
414{
415 struct amdgpu_device *adev = get_amdgpu_device(kgd);
416 uint32_t temp;
417 enum hqd_dequeue_request_type type;
418 unsigned long flags, end_jiffies;
419 int retry;
420 struct vi_mqd *m = get_mqd(mqd);
421
422 if (amdgpu_in_reset(adev))
423 return -EIO;
424
425 acquire_queue(kgd, pipe_id, queue_id);
426
427 if (m->cp_hqd_vmid == 0)
428 WREG32_FIELD(RLC_CP_SCHEDULERS, scheduler1, 0);
429
430 switch (reset_type) {
431 case KFD_PREEMPT_TYPE_WAVEFRONT_DRAIN:
432 type = DRAIN_PIPE;
433 break;
434 case KFD_PREEMPT_TYPE_WAVEFRONT_RESET:
435 type = RESET_WAVES;
436 break;
437 default:
438 type = DRAIN_PIPE;
439 break;
440 }
441
442 /* Workaround: If IQ timer is active and the wait time is close to or
443 * equal to 0, dequeueing is not safe. Wait until either the wait time
444 * is larger or timer is cleared. Also, ensure that IQ_REQ_PEND is
445 * cleared before continuing. Also, ensure wait times are set to at
446 * least 0x3.
447 */
448 local_irq_save(flags);
449 preempt_disable();
450 retry = 5000; /* wait for 500 usecs at maximum */
451 while (true) {
452 temp = RREG32(mmCP_HQD_IQ_TIMER);
453 if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, PROCESSING_IQ)) {
454 pr_debug("HW is processing IQ\n");
455 goto loop;
456 }
457 if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, ACTIVE)) {
458 if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, RETRY_TYPE)
459 == 3) /* SEM-rearm is safe */
460 break;
461 /* Wait time 3 is safe for CP, but our MMIO read/write
462 * time is close to 1 microsecond, so check for 10 to
463 * leave more buffer room
464 */
465 if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, WAIT_TIME)
466 >= 10)
467 break;
468 pr_debug("IQ timer is active\n");
469 } else
470 break;
471loop:
472 if (!retry) {
473 pr_err("CP HQD IQ timer status time out\n");
474 break;
475 }
476 ndelay(100);
477 --retry;
478 }
479 retry = 1000;
480 while (true) {
481 temp = RREG32(mmCP_HQD_DEQUEUE_REQUEST);
482 if (!(temp & CP_HQD_DEQUEUE_REQUEST__IQ_REQ_PEND_MASK))
483 break;
484 pr_debug("Dequeue request is pending\n");
485
486 if (!retry) {
487 pr_err("CP HQD dequeue request time out\n");
488 break;
489 }
490 ndelay(100);
491 --retry;
492 }
493 local_irq_restore(flags);
494 preempt_enable();
495
496 WREG32(mmCP_HQD_DEQUEUE_REQUEST, type);
497
498 end_jiffies = (utimeout * HZ / 1000) + jiffies;
499 while (true) {
500 temp = RREG32(mmCP_HQD_ACTIVE);
501 if (!(temp & CP_HQD_ACTIVE__ACTIVE_MASK))
502 break;
503 if (time_after(jiffies, end_jiffies)) {
504 pr_err("cp queue preemption time out.\n");
505 release_queue(kgd);
506 return -ETIME;
507 }
508 usleep_range(500, 1000);
509 }
510
511 release_queue(kgd);
512 return 0;
513}
514
515static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void *mqd,
516 unsigned int utimeout)
517{
518 struct amdgpu_device *adev = get_amdgpu_device(kgd);
519 struct vi_sdma_mqd *m;
520 uint32_t sdma_rlc_reg_offset;
521 uint32_t temp;
522 unsigned long end_jiffies = (utimeout * HZ / 1000) + jiffies;
523
524 m = get_sdma_mqd(mqd);
525 sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(m);
526
527 temp = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL);
528 temp = temp & ~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK;
529 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, temp);
530
531 while (true) {
532 temp = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_CONTEXT_STATUS);
533 if (temp & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK)
534 break;
535 if (time_after(jiffies, end_jiffies)) {
536 pr_err("SDMA RLC not idle in %s\n", __func__);
537 return -ETIME;
538 }
539 usleep_range(500, 1000);
540 }
541
542 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_DOORBELL, 0);
543 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL,
544 RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL) |
545 SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK);
546
547 m->sdmax_rlcx_rb_rptr = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR);
548
549 return 0;
550}
551
552static bool get_atc_vmid_pasid_mapping_info(struct kgd_dev *kgd,
553 uint8_t vmid, uint16_t *p_pasid)
554{
555 uint32_t value;
556 struct amdgpu_device *adev = (struct amdgpu_device *) kgd;
557
558 value = RREG32(mmATC_VMID0_PASID_MAPPING + vmid);
559 *p_pasid = value & ATC_VMID0_PASID_MAPPING__PASID_MASK;
560
561 return !!(value & ATC_VMID0_PASID_MAPPING__VALID_MASK);
562}
563
564static int kgd_address_watch_disable(struct kgd_dev *kgd)
565{
566 return 0;
567}
568
569static int kgd_address_watch_execute(struct kgd_dev *kgd,
570 unsigned int watch_point_id,
571 uint32_t cntl_val,
572 uint32_t addr_hi,
573 uint32_t addr_lo)
574{
575 return 0;
576}
577
578static int kgd_wave_control_execute(struct kgd_dev *kgd,
579 uint32_t gfx_index_val,
580 uint32_t sq_cmd)
581{
582 struct amdgpu_device *adev = get_amdgpu_device(kgd);
583 uint32_t data = 0;
584
585 mutex_lock(&adev->grbm_idx_mutex);
586
587 WREG32(mmGRBM_GFX_INDEX, gfx_index_val);
588 WREG32(mmSQ_CMD, sq_cmd);
589
590 data = REG_SET_FIELD(data, GRBM_GFX_INDEX,
591 INSTANCE_BROADCAST_WRITES, 1);
592 data = REG_SET_FIELD(data, GRBM_GFX_INDEX,
593 SH_BROADCAST_WRITES, 1);
594 data = REG_SET_FIELD(data, GRBM_GFX_INDEX,
595 SE_BROADCAST_WRITES, 1);
596
597 WREG32(mmGRBM_GFX_INDEX, data);
598 mutex_unlock(&adev->grbm_idx_mutex);
599
600 return 0;
601}
602
603static uint32_t kgd_address_watch_get_offset(struct kgd_dev *kgd,
604 unsigned int watch_point_id,
605 unsigned int reg_offset)
606{
607 return 0;
608}
609
610static void set_scratch_backing_va(struct kgd_dev *kgd,
611 uint64_t va, uint32_t vmid)
612{
613 struct amdgpu_device *adev = (struct amdgpu_device *) kgd;
614
615 lock_srbm(kgd, 0, 0, 0, vmid);
616 WREG32(mmSH_HIDDEN_PRIVATE_BASE_VMID, va);
617 unlock_srbm(kgd);
618}
619
620static void set_vm_context_page_table_base(struct kgd_dev *kgd, uint32_t vmid,
621 uint64_t page_table_base)
622{
623 struct amdgpu_device *adev = get_amdgpu_device(kgd);
624
625 if (!amdgpu_amdkfd_is_kfd_vmid(adev, vmid)) {
626 pr_err("trying to set page table base for wrong VMID\n");
627 return;
628 }
629 WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + vmid - 8,
630 lower_32_bits(page_table_base));
631}
632
633const struct kfd2kgd_calls gfx_v8_kfd2kgd = {
634 .program_sh_mem_settings = kgd_program_sh_mem_settings,
635 .set_pasid_vmid_mapping = kgd_set_pasid_vmid_mapping,
636 .init_interrupts = kgd_init_interrupts,
637 .hqd_load = kgd_hqd_load,
638 .hqd_sdma_load = kgd_hqd_sdma_load,
639 .hqd_dump = kgd_hqd_dump,
640 .hqd_sdma_dump = kgd_hqd_sdma_dump,
641 .hqd_is_occupied = kgd_hqd_is_occupied,
642 .hqd_sdma_is_occupied = kgd_hqd_sdma_is_occupied,
643 .hqd_destroy = kgd_hqd_destroy,
644 .hqd_sdma_destroy = kgd_hqd_sdma_destroy,
645 .address_watch_disable = kgd_address_watch_disable,
646 .address_watch_execute = kgd_address_watch_execute,
647 .wave_control_execute = kgd_wave_control_execute,
648 .address_watch_get_offset = kgd_address_watch_get_offset,
649 .get_atc_vmid_pasid_mapping_info =
650 get_atc_vmid_pasid_mapping_info,
651 .set_scratch_backing_va = set_scratch_backing_va,
652 .set_vm_context_page_table_base = set_vm_context_page_table_base,
653};