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Merge tag 'mailbox-v4.18' of git://git.linaro.org/landing-teams/working/fujitsu/integ...
[linux-block.git] / drivers / gpu / drm / amd / amdgpu / amdgpu_amdkfd_gfx_v9.c
CommitLineData
d5a114a6
FK		 1/*
2 * Copyright 2014-2018 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#define pr_fmt(fmt) "kfd2kgd: " fmt
24
25#include <linux/module.h>
26#include <linux/fdtable.h>
27#include <linux/uaccess.h>
28#include <linux/firmware.h>
29#include <drm/drmP.h>
30#include "amdgpu.h"
31#include "amdgpu_amdkfd.h"
32#include "amdgpu_ucode.h"
33#include "soc15_hw_ip.h"
34#include "gc/gc_9_0_offset.h"
35#include "gc/gc_9_0_sh_mask.h"
36#include "vega10_enum.h"
37#include "sdma0/sdma0_4_0_offset.h"
38#include "sdma0/sdma0_4_0_sh_mask.h"
39#include "sdma1/sdma1_4_0_offset.h"
40#include "sdma1/sdma1_4_0_sh_mask.h"
41#include "athub/athub_1_0_offset.h"
42#include "athub/athub_1_0_sh_mask.h"
43#include "oss/osssys_4_0_offset.h"
44#include "oss/osssys_4_0_sh_mask.h"
45#include "soc15_common.h"
46#include "v9_structs.h"
47#include "soc15.h"
48#include "soc15d.h"
49
50/* HACK: MMHUB and GC both have VM-related register with the same
51 * names but different offsets. Define the MMHUB register we need here
52 * with a prefix. A proper solution would be to move the functions
53 * programming these registers into gfx_v9_0.c and mmhub_v1_0.c
54 * respectively.
55 */
56#define mmMMHUB_VM_INVALIDATE_ENG16_REQ 0x06f3
57#define mmMMHUB_VM_INVALIDATE_ENG16_REQ_BASE_IDX 0
58
59#define mmMMHUB_VM_INVALIDATE_ENG16_ACK 0x0705
60#define mmMMHUB_VM_INVALIDATE_ENG16_ACK_BASE_IDX 0
61
62#define mmMMHUB_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32 0x072b
63#define mmMMHUB_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32_BASE_IDX 0
64#define mmMMHUB_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32 0x072c
65#define mmMMHUB_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32_BASE_IDX 0
66
67#define mmMMHUB_VM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32 0x074b
68#define mmMMHUB_VM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32_BASE_IDX 0
69#define mmMMHUB_VM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32 0x074c
70#define mmMMHUB_VM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32_BASE_IDX 0
71
72#define mmMMHUB_VM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32 0x076b
73#define mmMMHUB_VM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32_BASE_IDX 0
74#define mmMMHUB_VM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32 0x076c
75#define mmMMHUB_VM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32_BASE_IDX 0
76
77#define mmMMHUB_VM_INVALIDATE_ENG16_ADDR_RANGE_LO32 0x0727
78#define mmMMHUB_VM_INVALIDATE_ENG16_ADDR_RANGE_LO32_BASE_IDX 0
79#define mmMMHUB_VM_INVALIDATE_ENG16_ADDR_RANGE_HI32 0x0728
80#define mmMMHUB_VM_INVALIDATE_ENG16_ADDR_RANGE_HI32_BASE_IDX 0
81
82#define V9_PIPE_PER_MEC (4)
83#define V9_QUEUES_PER_PIPE_MEC (8)
84
85enum hqd_dequeue_request_type {
86 NO_ACTION = 0,
87 DRAIN_PIPE,
88 RESET_WAVES
89};
90
91/*
92 * Register access functions
93 */
94
95static void kgd_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid,
96 uint32_t sh_mem_config,
97 uint32_t sh_mem_ape1_base, uint32_t sh_mem_ape1_limit,
98 uint32_t sh_mem_bases);
99static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid,
100 unsigned int vmid);
101static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id);
102static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
103 uint32_t queue_id, uint32_t __user *wptr,
104 uint32_t wptr_shift, uint32_t wptr_mask,
105 struct mm_struct *mm);
106static int kgd_hqd_dump(struct kgd_dev *kgd,
107 uint32_t pipe_id, uint32_t queue_id,
108 uint32_t (**dump)[2], uint32_t *n_regs);
109static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd,
110 uint32_t __user *wptr, struct mm_struct *mm);
111static int kgd_hqd_sdma_dump(struct kgd_dev *kgd,
112 uint32_t engine_id, uint32_t queue_id,
113 uint32_t (**dump)[2], uint32_t *n_regs);
114static bool kgd_hqd_is_occupied(struct kgd_dev *kgd, uint64_t queue_address,
115 uint32_t pipe_id, uint32_t queue_id);
116static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd);
117static int kgd_hqd_destroy(struct kgd_dev *kgd, void *mqd,
118 enum kfd_preempt_type reset_type,
119 unsigned int utimeout, uint32_t pipe_id,
120 uint32_t queue_id);
121static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void *mqd,
122 unsigned int utimeout);
123static int kgd_address_watch_disable(struct kgd_dev *kgd);
124static int kgd_address_watch_execute(struct kgd_dev *kgd,
125 unsigned int watch_point_id,
126 uint32_t cntl_val,
127 uint32_t addr_hi,
128 uint32_t addr_lo);
129static int kgd_wave_control_execute(struct kgd_dev *kgd,
130 uint32_t gfx_index_val,
131 uint32_t sq_cmd);
132static uint32_t kgd_address_watch_get_offset(struct kgd_dev *kgd,
133 unsigned int watch_point_id,
134 unsigned int reg_offset);
135
136static bool get_atc_vmid_pasid_mapping_valid(struct kgd_dev *kgd,
137 uint8_t vmid);
138static uint16_t get_atc_vmid_pasid_mapping_pasid(struct kgd_dev *kgd,
139 uint8_t vmid);
140static void set_vm_context_page_table_base(struct kgd_dev *kgd, uint32_t vmid,
141 uint32_t page_table_base);
142static uint16_t get_fw_version(struct kgd_dev *kgd, enum kgd_engine_type type);
143static void set_scratch_backing_va(struct kgd_dev *kgd,
144 uint64_t va, uint32_t vmid);
145static int invalidate_tlbs(struct kgd_dev *kgd, uint16_t pasid);
146static int invalidate_tlbs_vmid(struct kgd_dev *kgd, uint16_t vmid);
147
148/* Because of REG_GET_FIELD() being used, we put this function in the
149 * asic specific file.
150 */
151static int amdgpu_amdkfd_get_tile_config(struct kgd_dev *kgd,
152 struct tile_config *config)
153{
154 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
155
156 config->gb_addr_config = adev->gfx.config.gb_addr_config;
157
158 config->tile_config_ptr = adev->gfx.config.tile_mode_array;
159 config->num_tile_configs =
160 ARRAY_SIZE(adev->gfx.config.tile_mode_array);
161 config->macro_tile_config_ptr =
162 adev->gfx.config.macrotile_mode_array;
163 config->num_macro_tile_configs =
164 ARRAY_SIZE(adev->gfx.config.macrotile_mode_array);
165
166 return 0;
167}
168
169static const struct kfd2kgd_calls kfd2kgd = {
170 .init_gtt_mem_allocation = alloc_gtt_mem,
171 .free_gtt_mem = free_gtt_mem,
172 .get_local_mem_info = get_local_mem_info,
173 .get_gpu_clock_counter = get_gpu_clock_counter,
174 .get_max_engine_clock_in_mhz = get_max_engine_clock_in_mhz,
175 .alloc_pasid = amdgpu_pasid_alloc,
176 .free_pasid = amdgpu_pasid_free,
177 .program_sh_mem_settings = kgd_program_sh_mem_settings,
178 .set_pasid_vmid_mapping = kgd_set_pasid_vmid_mapping,
179 .init_interrupts = kgd_init_interrupts,
180 .hqd_load = kgd_hqd_load,
181 .hqd_sdma_load = kgd_hqd_sdma_load,
182 .hqd_dump = kgd_hqd_dump,
183 .hqd_sdma_dump = kgd_hqd_sdma_dump,
184 .hqd_is_occupied = kgd_hqd_is_occupied,
185 .hqd_sdma_is_occupied = kgd_hqd_sdma_is_occupied,
186 .hqd_destroy = kgd_hqd_destroy,
187 .hqd_sdma_destroy = kgd_hqd_sdma_destroy,
188 .address_watch_disable = kgd_address_watch_disable,
189 .address_watch_execute = kgd_address_watch_execute,
190 .wave_control_execute = kgd_wave_control_execute,
191 .address_watch_get_offset = kgd_address_watch_get_offset,
192 .get_atc_vmid_pasid_mapping_pasid =
193 get_atc_vmid_pasid_mapping_pasid,
194 .get_atc_vmid_pasid_mapping_valid =
195 get_atc_vmid_pasid_mapping_valid,
196 .get_fw_version = get_fw_version,
197 .set_scratch_backing_va = set_scratch_backing_va,
198 .get_tile_config = amdgpu_amdkfd_get_tile_config,
199 .get_cu_info = get_cu_info,
200 .get_vram_usage = amdgpu_amdkfd_get_vram_usage,
201 .create_process_vm = amdgpu_amdkfd_gpuvm_create_process_vm,
202 .acquire_process_vm = amdgpu_amdkfd_gpuvm_acquire_process_vm,
203 .destroy_process_vm = amdgpu_amdkfd_gpuvm_destroy_process_vm,
204 .get_process_page_dir = amdgpu_amdkfd_gpuvm_get_process_page_dir,
205 .set_vm_context_page_table_base = set_vm_context_page_table_base,
206 .alloc_memory_of_gpu = amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu,
207 .free_memory_of_gpu = amdgpu_amdkfd_gpuvm_free_memory_of_gpu,
208 .map_memory_to_gpu = amdgpu_amdkfd_gpuvm_map_memory_to_gpu,
209 .unmap_memory_to_gpu = amdgpu_amdkfd_gpuvm_unmap_memory_from_gpu,
210 .sync_memory = amdgpu_amdkfd_gpuvm_sync_memory,
211 .map_gtt_bo_to_kernel = amdgpu_amdkfd_gpuvm_map_gtt_bo_to_kernel,
212 .restore_process_bos = amdgpu_amdkfd_gpuvm_restore_process_bos,
213 .invalidate_tlbs = invalidate_tlbs,
214 .invalidate_tlbs_vmid = invalidate_tlbs_vmid,
215 .submit_ib = amdgpu_amdkfd_submit_ib,
216};
217
218struct kfd2kgd_calls *amdgpu_amdkfd_gfx_9_0_get_functions(void)
219{
220 return (struct kfd2kgd_calls *)&kfd2kgd;
221}
222
223static inline struct amdgpu_device *get_amdgpu_device(struct kgd_dev *kgd)
224{
225 return (struct amdgpu_device *)kgd;
226}
227
228static void lock_srbm(struct kgd_dev *kgd, uint32_t mec, uint32_t pipe,
229 uint32_t queue, uint32_t vmid)
230{
231 struct amdgpu_device *adev = get_amdgpu_device(kgd);
232
233 mutex_lock(&adev->srbm_mutex);
234 soc15_grbm_select(adev, mec, pipe, queue, vmid);
235}
236
237static void unlock_srbm(struct kgd_dev *kgd)
238{
239 struct amdgpu_device *adev = get_amdgpu_device(kgd);
240
241 soc15_grbm_select(adev, 0, 0, 0, 0);
242 mutex_unlock(&adev->srbm_mutex);
243}
244
245static void acquire_queue(struct kgd_dev *kgd, uint32_t pipe_id,
246 uint32_t queue_id)
247{
248 struct amdgpu_device *adev = get_amdgpu_device(kgd);
249
250 uint32_t mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1;
251 uint32_t pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec);
252
253 lock_srbm(kgd, mec, pipe, queue_id, 0);
254}
255
256static uint32_t get_queue_mask(struct amdgpu_device *adev,
257 uint32_t pipe_id, uint32_t queue_id)
258{
259 unsigned int bit = (pipe_id * adev->gfx.mec.num_queue_per_pipe +
260 queue_id) & 31;
261
262 return ((uint32_t)1) << bit;
263}
264
265static void release_queue(struct kgd_dev *kgd)
266{
267 unlock_srbm(kgd);
268}
269
270static void kgd_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid,
271 uint32_t sh_mem_config,
272 uint32_t sh_mem_ape1_base,
273 uint32_t sh_mem_ape1_limit,
274 uint32_t sh_mem_bases)
275{
276 struct amdgpu_device *adev = get_amdgpu_device(kgd);
277
278 lock_srbm(kgd, 0, 0, 0, vmid);
279
280 WREG32(SOC15_REG_OFFSET(GC, 0, mmSH_MEM_CONFIG), sh_mem_config);
281 WREG32(SOC15_REG_OFFSET(GC, 0, mmSH_MEM_BASES), sh_mem_bases);
282 /* APE1 no longer exists on GFX9 */
283
284 unlock_srbm(kgd);
285}
286
287static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid,
288 unsigned int vmid)
289{
290 struct amdgpu_device *adev = get_amdgpu_device(kgd);
291
292 /*
293 * We have to assume that there is no outstanding mapping.
294 * The ATC_VMID_PASID_MAPPING_UPDATE_STATUS bit could be 0 because
295 * a mapping is in progress or because a mapping finished
296 * and the SW cleared it.
297 * So the protocol is to always wait & clear.
298 */
299 uint32_t pasid_mapping = (pasid == 0) ? 0 : (uint32_t)pasid |
300 ATC_VMID0_PASID_MAPPING__VALID_MASK;
301
302 /*
303 * need to do this twice, once for gfx and once for mmhub
304 * for ATC add 16 to VMID for mmhub, for IH different registers.
305 * ATC_VMID0..15 registers are separate from ATC_VMID16..31.
306 */
307
308 WREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING) + vmid,
309 pasid_mapping);
310
311 while (!(RREG32(SOC15_REG_OFFSET(
312 ATHUB, 0,
313 mmATC_VMID_PASID_MAPPING_UPDATE_STATUS)) &
314 (1U << vmid)))
315 cpu_relax();
316
317 WREG32(SOC15_REG_OFFSET(ATHUB, 0,
318 mmATC_VMID_PASID_MAPPING_UPDATE_STATUS),
319 1U << vmid);
320
321 /* Mapping vmid to pasid also for IH block */
322 WREG32(SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT) + vmid,
323 pasid_mapping);
324
325 WREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID16_PASID_MAPPING) + vmid,
326 pasid_mapping);
327
328 while (!(RREG32(SOC15_REG_OFFSET(
329 ATHUB, 0,
330 mmATC_VMID_PASID_MAPPING_UPDATE_STATUS)) &
331 (1U << (vmid + 16))))
332 cpu_relax();
333
334 WREG32(SOC15_REG_OFFSET(ATHUB, 0,
335 mmATC_VMID_PASID_MAPPING_UPDATE_STATUS),
336 1U << (vmid + 16));
337
338 /* Mapping vmid to pasid also for IH block */
339 WREG32(SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT_MM) + vmid,
340 pasid_mapping);
341 return 0;
342}
343
344/* TODO - RING0 form of field is obsolete, seems to date back to SI
345 * but still works
346 */
347
348static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id)
349{
350 struct amdgpu_device *adev = get_amdgpu_device(kgd);
351 uint32_t mec;
352 uint32_t pipe;
353
354 mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1;
355 pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec);
356
357 lock_srbm(kgd, mec, pipe, 0, 0);
358
359 WREG32(SOC15_REG_OFFSET(GC, 0, mmCPC_INT_CNTL),
360 CP_INT_CNTL_RING0__TIME_STAMP_INT_ENABLE_MASK |
361 CP_INT_CNTL_RING0__OPCODE_ERROR_INT_ENABLE_MASK);
362
363 unlock_srbm(kgd);
364
365 return 0;
366}
367
368static uint32_t get_sdma_base_addr(struct amdgpu_device *adev,
369 unsigned int engine_id,
370 unsigned int queue_id)
371{
372 uint32_t base[2] = {
373 SOC15_REG_OFFSET(SDMA0, 0,
374 mmSDMA0_RLC0_RB_CNTL) - mmSDMA0_RLC0_RB_CNTL,
375 SOC15_REG_OFFSET(SDMA1, 0,
376 mmSDMA1_RLC0_RB_CNTL) - mmSDMA1_RLC0_RB_CNTL
377 };
378 uint32_t retval;
379
380 retval = base[engine_id] + queue_id * (mmSDMA0_RLC1_RB_CNTL -
381 mmSDMA0_RLC0_RB_CNTL);
382
383 pr_debug("sdma base address: 0x%x\n", retval);
384
385 return retval;
386}
387
388static inline struct v9_mqd *get_mqd(void *mqd)
389{
390 return (struct v9_mqd *)mqd;
391}
392
393static inline struct v9_sdma_mqd *get_sdma_mqd(void *mqd)
394{
395 return (struct v9_sdma_mqd *)mqd;
396}
397
398static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
399 uint32_t queue_id, uint32_t __user *wptr,
400 uint32_t wptr_shift, uint32_t wptr_mask,
401 struct mm_struct *mm)
402{
403 struct amdgpu_device *adev = get_amdgpu_device(kgd);
404 struct v9_mqd *m;
405 uint32_t *mqd_hqd;
406 uint32_t reg, hqd_base, data;
407
408 m = get_mqd(mqd);
409
410 acquire_queue(kgd, pipe_id, queue_id);
411
412 /* HIQ is set during driver init period with vmid set to 0*/
413 if (m->cp_hqd_vmid == 0) {
414 uint32_t value, mec, pipe;
415
416 mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1;
417 pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec);
418
419 pr_debug("kfd: set HIQ, mec:%d, pipe:%d, queue:%d.\n",
420 mec, pipe, queue_id);
421 value = RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CP_SCHEDULERS));
422 value = REG_SET_FIELD(value, RLC_CP_SCHEDULERS, scheduler1,
423 ((mec << 5) | (pipe << 3) | queue_id | 0x80));
424 WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CP_SCHEDULERS), value);
425 }
426
427 /* HQD registers extend from CP_MQD_BASE_ADDR to CP_HQD_EOP_WPTR_MEM. */
428 mqd_hqd = &m->cp_mqd_base_addr_lo;
429 hqd_base = SOC15_REG_OFFSET(GC, 0, mmCP_MQD_BASE_ADDR);
430
431 for (reg = hqd_base;
432 reg <= SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_HI); reg++)
433 WREG32(reg, mqd_hqd[reg - hqd_base]);
434
435
436 /* Activate doorbell logic before triggering WPTR poll. */
437 data = REG_SET_FIELD(m->cp_hqd_pq_doorbell_control,
438 CP_HQD_PQ_DOORBELL_CONTROL, DOORBELL_EN, 1);
439 WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_DOORBELL_CONTROL), data);
440
441 if (wptr) {
442 /* Don't read wptr with get_user because the user
443 * context may not be accessible (if this function
444 * runs in a work queue). Instead trigger a one-shot
445 * polling read from memory in the CP. This assumes
446 * that wptr is GPU-accessible in the queue's VMID via
447 * ATC or SVM. WPTR==RPTR before starting the poll so
448 * the CP starts fetching new commands from the right
449 * place.
450 *
451 * Guessing a 64-bit WPTR from a 32-bit RPTR is a bit
452 * tricky. Assume that the queue didn't overflow. The
453 * number of valid bits in the 32-bit RPTR depends on
454 * the queue size. The remaining bits are taken from
455 * the saved 64-bit WPTR. If the WPTR wrapped, add the
456 * queue size.
457 */
458 uint32_t queue_size =
459 2 << REG_GET_FIELD(m->cp_hqd_pq_control,
460 CP_HQD_PQ_CONTROL, QUEUE_SIZE);
461 uint64_t guessed_wptr = m->cp_hqd_pq_rptr & (queue_size - 1);
462
463 if ((m->cp_hqd_pq_wptr_lo & (queue_size - 1)) < guessed_wptr)
464 guessed_wptr += queue_size;
465 guessed_wptr += m->cp_hqd_pq_wptr_lo & ~(queue_size - 1);
466 guessed_wptr += (uint64_t)m->cp_hqd_pq_wptr_hi << 32;
467
468 WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_LO),
469 lower_32_bits(guessed_wptr));
470 WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_HI),
471 upper_32_bits(guessed_wptr));
472 WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_POLL_ADDR),
ebe1d22b 473 lower_32_bits((uintptr_t)wptr));
d5a114a6 474 WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_POLL_ADDR_HI),
ebe1d22b 475 upper_32_bits((uintptr_t)wptr));
d5a114a6
FK		 476 WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_PQ_WPTR_POLL_CNTL1),
477 get_queue_mask(adev, pipe_id, queue_id));
478 }
479
480 /* Start the EOP fetcher */
481 WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_EOP_RPTR),
482 REG_SET_FIELD(m->cp_hqd_eop_rptr,
483 CP_HQD_EOP_RPTR, INIT_FETCHER, 1));
484
485 data = REG_SET_FIELD(m->cp_hqd_active, CP_HQD_ACTIVE, ACTIVE, 1);
486 WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_ACTIVE), data);
487
488 release_queue(kgd);
489
490 return 0;
491}
492
493static int kgd_hqd_dump(struct kgd_dev *kgd,
494 uint32_t pipe_id, uint32_t queue_id,
495 uint32_t (**dump)[2], uint32_t *n_regs)
496{
497 struct amdgpu_device *adev = get_amdgpu_device(kgd);
498 uint32_t i = 0, reg;
499#define HQD_N_REGS 56
500#define DUMP_REG(addr) do { \
501 if (WARN_ON_ONCE(i >= HQD_N_REGS)) \
502 break; \
503 (*dump)[i][0] = (addr) << 2; \
504 (*dump)[i++][1] = RREG32(addr); \
505 } while (0)
506
507 *dump = kmalloc(HQD_N_REGS*2*sizeof(uint32_t), GFP_KERNEL);
508 if (*dump == NULL)
509 return -ENOMEM;
510
511 acquire_queue(kgd, pipe_id, queue_id);
512
513 for (reg = SOC15_REG_OFFSET(GC, 0, mmCP_MQD_BASE_ADDR);
514 reg <= SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_HI); reg++)
515 DUMP_REG(reg);
516
517 release_queue(kgd);
518
519 WARN_ON_ONCE(i != HQD_N_REGS);
520 *n_regs = i;
521
522 return 0;
523}
524
525static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd,
526 uint32_t __user *wptr, struct mm_struct *mm)
527{
528 struct amdgpu_device *adev = get_amdgpu_device(kgd);
529 struct v9_sdma_mqd *m;
530 uint32_t sdma_base_addr, sdmax_gfx_context_cntl;
531 unsigned long end_jiffies;
532 uint32_t data;
533 uint64_t data64;
534 uint64_t __user *wptr64 = (uint64_t __user *)wptr;
535
536 m = get_sdma_mqd(mqd);
537 sdma_base_addr = get_sdma_base_addr(adev, m->sdma_engine_id,
538 m->sdma_queue_id);
539 sdmax_gfx_context_cntl = m->sdma_engine_id ?
540 SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_GFX_CONTEXT_CNTL) :
541 SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_GFX_CONTEXT_CNTL);
542
543 WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL,
544 m->sdmax_rlcx_rb_cntl & (~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK));
545
546 end_jiffies = msecs_to_jiffies(2000) + jiffies;
547 while (true) {
548 data = RREG32(sdma_base_addr + mmSDMA0_RLC0_CONTEXT_STATUS);
549 if (data & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK)
550 break;
551 if (time_after(jiffies, end_jiffies))
552 return -ETIME;
553 usleep_range(500, 1000);
554 }
555 data = RREG32(sdmax_gfx_context_cntl);
556 data = REG_SET_FIELD(data, SDMA0_GFX_CONTEXT_CNTL,
557 RESUME_CTX, 0);
558 WREG32(sdmax_gfx_context_cntl, data);
559
560 WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL_OFFSET,
561 m->sdmax_rlcx_doorbell_offset);
562
563 data = REG_SET_FIELD(m->sdmax_rlcx_doorbell, SDMA0_RLC0_DOORBELL,
564 ENABLE, 1);
565 WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL, data);
566 WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR, m->sdmax_rlcx_rb_rptr);
567 WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_HI,
568 m->sdmax_rlcx_rb_rptr_hi);
569
570 WREG32(sdma_base_addr + mmSDMA0_RLC0_MINOR_PTR_UPDATE, 1);
571 if (read_user_wptr(mm, wptr64, data64)) {
572 WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR,
573 lower_32_bits(data64));
574 WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR_HI,
575 upper_32_bits(data64));
576 } else {
577 WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR,
578 m->sdmax_rlcx_rb_rptr);
579 WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR_HI,
580 m->sdmax_rlcx_rb_rptr_hi);
581 }
582 WREG32(sdma_base_addr + mmSDMA0_RLC0_MINOR_PTR_UPDATE, 0);
583
584 WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE, m->sdmax_rlcx_rb_base);
585 WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE_HI,
586 m->sdmax_rlcx_rb_base_hi);
587 WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_ADDR_LO,
588 m->sdmax_rlcx_rb_rptr_addr_lo);
589 WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_ADDR_HI,
590 m->sdmax_rlcx_rb_rptr_addr_hi);
591
592 data = REG_SET_FIELD(m->sdmax_rlcx_rb_cntl, SDMA0_RLC0_RB_CNTL,
593 RB_ENABLE, 1);
594 WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL, data);
595
596 return 0;
597}
598
599static int kgd_hqd_sdma_dump(struct kgd_dev *kgd,
600 uint32_t engine_id, uint32_t queue_id,
601 uint32_t (**dump)[2], uint32_t *n_regs)
602{
603 struct amdgpu_device *adev = get_amdgpu_device(kgd);
604 uint32_t sdma_base_addr = get_sdma_base_addr(adev, engine_id, queue_id);
605 uint32_t i = 0, reg;
606#undef HQD_N_REGS
607#define HQD_N_REGS (19+6+7+10)
608
609 *dump = kmalloc(HQD_N_REGS*2*sizeof(uint32_t), GFP_KERNEL);
610 if (*dump == NULL)
611 return -ENOMEM;
612
613 for (reg = mmSDMA0_RLC0_RB_CNTL; reg <= mmSDMA0_RLC0_DOORBELL; reg++)
614 DUMP_REG(sdma_base_addr + reg);
615 for (reg = mmSDMA0_RLC0_STATUS; reg <= mmSDMA0_RLC0_CSA_ADDR_HI; reg++)
616 DUMP_REG(sdma_base_addr + reg);
617 for (reg = mmSDMA0_RLC0_IB_SUB_REMAIN;
618 reg <= mmSDMA0_RLC0_MINOR_PTR_UPDATE; reg++)
619 DUMP_REG(sdma_base_addr + reg);
620 for (reg = mmSDMA0_RLC0_MIDCMD_DATA0;
621 reg <= mmSDMA0_RLC0_MIDCMD_CNTL; reg++)
622 DUMP_REG(sdma_base_addr + reg);
623
624 WARN_ON_ONCE(i != HQD_N_REGS);
625 *n_regs = i;
626
627 return 0;
628}
629
630static bool kgd_hqd_is_occupied(struct kgd_dev *kgd, uint64_t queue_address,
631 uint32_t pipe_id, uint32_t queue_id)
632{
633 struct amdgpu_device *adev = get_amdgpu_device(kgd);
634 uint32_t act;
635 bool retval = false;
636 uint32_t low, high;
637
638 acquire_queue(kgd, pipe_id, queue_id);
639 act = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_ACTIVE));
640 if (act) {
641 low = lower_32_bits(queue_address >> 8);
642 high = upper_32_bits(queue_address >> 8);
643
644 if (low == RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_BASE)) &&
645 high == RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_BASE_HI)))
646 retval = true;
647 }
648 release_queue(kgd);
649 return retval;
650}
651
652static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd)
653{
654 struct amdgpu_device *adev = get_amdgpu_device(kgd);
655 struct v9_sdma_mqd *m;
656 uint32_t sdma_base_addr;
657 uint32_t sdma_rlc_rb_cntl;
658
659 m = get_sdma_mqd(mqd);
660 sdma_base_addr = get_sdma_base_addr(adev, m->sdma_engine_id,
661 m->sdma_queue_id);
662
663 sdma_rlc_rb_cntl = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL);
664
665 if (sdma_rlc_rb_cntl & SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK)
666 return true;
667
668 return false;
669}
670
671static int kgd_hqd_destroy(struct kgd_dev *kgd, void *mqd,
672 enum kfd_preempt_type reset_type,
673 unsigned int utimeout, uint32_t pipe_id,
674 uint32_t queue_id)
675{
676 struct amdgpu_device *adev = get_amdgpu_device(kgd);
677 enum hqd_dequeue_request_type type;
678 unsigned long end_jiffies;
679 uint32_t temp;
680 struct v9_mqd *m = get_mqd(mqd);
681
682 acquire_queue(kgd, pipe_id, queue_id);
683
684 if (m->cp_hqd_vmid == 0)
685 WREG32_FIELD15(GC, 0, RLC_CP_SCHEDULERS, scheduler1, 0);
686
687 switch (reset_type) {
688 case KFD_PREEMPT_TYPE_WAVEFRONT_DRAIN:
689 type = DRAIN_PIPE;
690 break;
691 case KFD_PREEMPT_TYPE_WAVEFRONT_RESET:
692 type = RESET_WAVES;
693 break;
694 default:
695 type = DRAIN_PIPE;
696 break;
697 }
698
699 WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_DEQUEUE_REQUEST), type);
700
701 end_jiffies = (utimeout * HZ / 1000) + jiffies;
702 while (true) {
703 temp = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_ACTIVE));
704 if (!(temp & CP_HQD_ACTIVE__ACTIVE_MASK))
705 break;
706 if (time_after(jiffies, end_jiffies)) {
707 pr_err("cp queue preemption time out.\n");
708 release_queue(kgd);
709 return -ETIME;
710 }
711 usleep_range(500, 1000);
712 }
713
714 release_queue(kgd);
715 return 0;
716}
717
718static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void *mqd,
719 unsigned int utimeout)
720{
721 struct amdgpu_device *adev = get_amdgpu_device(kgd);
722 struct v9_sdma_mqd *m;
723 uint32_t sdma_base_addr;
724 uint32_t temp;
725 unsigned long end_jiffies = (utimeout * HZ / 1000) + jiffies;
726
727 m = get_sdma_mqd(mqd);
728 sdma_base_addr = get_sdma_base_addr(adev, m->sdma_engine_id,
729 m->sdma_queue_id);
730
731 temp = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL);
732 temp = temp & ~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK;
733 WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL, temp);
734
735 while (true) {
736 temp = RREG32(sdma_base_addr + mmSDMA0_RLC0_CONTEXT_STATUS);
737 if (temp & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK)
738 break;
739 if (time_after(jiffies, end_jiffies))
740 return -ETIME;
741 usleep_range(500, 1000);
742 }
743
744 WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL, 0);
745 WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL,
746 RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL) |
747 SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK);
748
749 m->sdmax_rlcx_rb_rptr = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR);
750 m->sdmax_rlcx_rb_rptr_hi =
751 RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_HI);
752
753 return 0;
754}
755
756static bool get_atc_vmid_pasid_mapping_valid(struct kgd_dev *kgd,
757 uint8_t vmid)
758{
759 uint32_t reg;
760 struct amdgpu_device *adev = (struct amdgpu_device *) kgd;
761
762 reg = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING)
763 + vmid);
764 return reg & ATC_VMID0_PASID_MAPPING__VALID_MASK;
765}
766
767static uint16_t get_atc_vmid_pasid_mapping_pasid(struct kgd_dev *kgd,
768 uint8_t vmid)
769{
770 uint32_t reg;
771 struct amdgpu_device *adev = (struct amdgpu_device *) kgd;
772
773 reg = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING)
774 + vmid);
775 return reg & ATC_VMID0_PASID_MAPPING__PASID_MASK;
776}
777
778static void write_vmid_invalidate_request(struct kgd_dev *kgd, uint8_t vmid)
779{
780 struct amdgpu_device *adev = (struct amdgpu_device *) kgd;
781 uint32_t req = (1 << vmid) |
782 (0 << VM_INVALIDATE_ENG16_REQ__FLUSH_TYPE__SHIFT) | /* legacy */
783 VM_INVALIDATE_ENG16_REQ__INVALIDATE_L2_PTES_MASK |
784 VM_INVALIDATE_ENG16_REQ__INVALIDATE_L2_PDE0_MASK |
785 VM_INVALIDATE_ENG16_REQ__INVALIDATE_L2_PDE1_MASK |
786 VM_INVALIDATE_ENG16_REQ__INVALIDATE_L2_PDE2_MASK |
787 VM_INVALIDATE_ENG16_REQ__INVALIDATE_L1_PTES_MASK;
788
789 mutex_lock(&adev->srbm_mutex);
790
791 /* Use legacy mode tlb invalidation.
792 *
793 * Currently on Raven the code below is broken for anything but
794 * legacy mode due to a MMHUB power gating problem. A workaround
795 * is for MMHUB to wait until the condition PER_VMID_INVALIDATE_REQ
796 * == PER_VMID_INVALIDATE_ACK instead of simply waiting for the ack
797 * bit.
798 *
799 * TODO 1: agree on the right set of invalidation registers for
800 * KFD use. Use the last one for now. Invalidate both GC and
801 * MMHUB.
802 *
803 * TODO 2: support range-based invalidation, requires kfg2kgd
804 * interface change
805 */
806 WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG16_ADDR_RANGE_LO32),
807 0xffffffff);
808 WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG16_ADDR_RANGE_HI32),
809 0x0000001f);
810
811 WREG32(SOC15_REG_OFFSET(MMHUB, 0,
812 mmMMHUB_VM_INVALIDATE_ENG16_ADDR_RANGE_LO32),
813 0xffffffff);
814 WREG32(SOC15_REG_OFFSET(MMHUB, 0,
815 mmMMHUB_VM_INVALIDATE_ENG16_ADDR_RANGE_HI32),
816 0x0000001f);
817
818 WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG16_REQ), req);
819
820 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMMHUB_VM_INVALIDATE_ENG16_REQ),
821 req);
822
823 while (!(RREG32(SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG16_ACK)) &
824 (1 << vmid)))
825 cpu_relax();
826
827 while (!(RREG32(SOC15_REG_OFFSET(MMHUB, 0,
828 mmMMHUB_VM_INVALIDATE_ENG16_ACK)) &
829 (1 << vmid)))
830 cpu_relax();
831
832 mutex_unlock(&adev->srbm_mutex);
833
834}
835
836static int invalidate_tlbs_with_kiq(struct amdgpu_device *adev, uint16_t pasid)
837{
838 signed long r;
839 uint32_t seq;
840 struct amdgpu_ring *ring = &adev->gfx.kiq.ring;
841
842 spin_lock(&adev->gfx.kiq.ring_lock);
843 amdgpu_ring_alloc(ring, 12); /* fence + invalidate_tlbs package*/
844 amdgpu_ring_write(ring, PACKET3(PACKET3_INVALIDATE_TLBS, 0));
845 amdgpu_ring_write(ring,
846 PACKET3_INVALIDATE_TLBS_DST_SEL(1) |
847 PACKET3_INVALIDATE_TLBS_ALL_HUB(1) |
848 PACKET3_INVALIDATE_TLBS_PASID(pasid) |
849 PACKET3_INVALIDATE_TLBS_FLUSH_TYPE(0)); /* legacy */
850 amdgpu_fence_emit_polling(ring, &seq);
851 amdgpu_ring_commit(ring);
852 spin_unlock(&adev->gfx.kiq.ring_lock);
853
854 r = amdgpu_fence_wait_polling(ring, seq, adev->usec_timeout);
855 if (r < 1) {
856 DRM_ERROR("wait for kiq fence error: %ld.\n", r);
857 return -ETIME;
858 }
859
860 return 0;
861}
862
863static int invalidate_tlbs(struct kgd_dev *kgd, uint16_t pasid)
864{
865 struct amdgpu_device *adev = (struct amdgpu_device *) kgd;
866 int vmid;
867 struct amdgpu_ring *ring = &adev->gfx.kiq.ring;
868
869 if (ring->ready)
870 return invalidate_tlbs_with_kiq(adev, pasid);
871
872 for (vmid = 0; vmid < 16; vmid++) {
873 if (!amdgpu_amdkfd_is_kfd_vmid(adev, vmid))
874 continue;
875 if (get_atc_vmid_pasid_mapping_valid(kgd, vmid)) {
876 if (get_atc_vmid_pasid_mapping_pasid(kgd, vmid)
877 == pasid) {
878 write_vmid_invalidate_request(kgd, vmid);
879 break;
880 }
881 }
882 }
883
884 return 0;
885}
886
887static int invalidate_tlbs_vmid(struct kgd_dev *kgd, uint16_t vmid)
888{
889 struct amdgpu_device *adev = (struct amdgpu_device *) kgd;
890
891 if (!amdgpu_amdkfd_is_kfd_vmid(adev, vmid)) {
892 pr_err("non kfd vmid %d\n", vmid);
893 return 0;
894 }
895
896 write_vmid_invalidate_request(kgd, vmid);
897 return 0;
898}
899
900static int kgd_address_watch_disable(struct kgd_dev *kgd)
901{
902 return 0;
903}
904
905static int kgd_address_watch_execute(struct kgd_dev *kgd,
906 unsigned int watch_point_id,
907 uint32_t cntl_val,
908 uint32_t addr_hi,
909 uint32_t addr_lo)
910{
911 return 0;
912}
913
914static int kgd_wave_control_execute(struct kgd_dev *kgd,
915 uint32_t gfx_index_val,
916 uint32_t sq_cmd)
917{
918 struct amdgpu_device *adev = get_amdgpu_device(kgd);
919 uint32_t data = 0;
920
921 mutex_lock(&adev->grbm_idx_mutex);
922
923 WREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_GFX_INDEX), gfx_index_val);
924 WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_CMD), sq_cmd);
925
926 data = REG_SET_FIELD(data, GRBM_GFX_INDEX,
927 INSTANCE_BROADCAST_WRITES, 1);
928 data = REG_SET_FIELD(data, GRBM_GFX_INDEX,
929 SH_BROADCAST_WRITES, 1);
930 data = REG_SET_FIELD(data, GRBM_GFX_INDEX,
931 SE_BROADCAST_WRITES, 1);
932
933 WREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_GFX_INDEX), data);
934 mutex_unlock(&adev->grbm_idx_mutex);
935
936 return 0;
937}
938
939static uint32_t kgd_address_watch_get_offset(struct kgd_dev *kgd,
940 unsigned int watch_point_id,
941 unsigned int reg_offset)
942{
943 return 0;
944}
945
946static void set_scratch_backing_va(struct kgd_dev *kgd,
947 uint64_t va, uint32_t vmid)
948{
949 /* No longer needed on GFXv9. The scratch base address is
950 * passed to the shader by the CP. It's the user mode driver's
951 * responsibility.
952 */
953}
954
955/* FIXME: Does this need to be ASIC-specific code? */
956static uint16_t get_fw_version(struct kgd_dev *kgd, enum kgd_engine_type type)
957{
958 struct amdgpu_device *adev = (struct amdgpu_device *) kgd;
959 const union amdgpu_firmware_header *hdr;
960
961 switch (type) {
962 case KGD_ENGINE_PFP:
963 hdr = (const union amdgpu_firmware_header *)adev->gfx.pfp_fw->data;
964 break;
965
966 case KGD_ENGINE_ME:
967 hdr = (const union amdgpu_firmware_header *)adev->gfx.me_fw->data;
968 break;
969
970 case KGD_ENGINE_CE:
971 hdr = (const union amdgpu_firmware_header *)adev->gfx.ce_fw->data;
972 break;
973
974 case KGD_ENGINE_MEC1:
975 hdr = (const union amdgpu_firmware_header *)adev->gfx.mec_fw->data;
976 break;
977
978 case KGD_ENGINE_MEC2:
979 hdr = (const union amdgpu_firmware_header *)adev->gfx.mec2_fw->data;
980 break;
981
982 case KGD_ENGINE_RLC:
983 hdr = (const union amdgpu_firmware_header *)adev->gfx.rlc_fw->data;
984 break;
985
986 case KGD_ENGINE_SDMA1:
987 hdr = (const union amdgpu_firmware_header *)adev->sdma.instance[0].fw->data;
988 break;
989
990 case KGD_ENGINE_SDMA2:
991 hdr = (const union amdgpu_firmware_header *)adev->sdma.instance[1].fw->data;
992 break;
993
994 default:
995 return 0;
996 }
997
998 if (hdr == NULL)
999 return 0;
1000
1001 /* Only 12 bit in use*/
1002 return hdr->common.ucode_version;
1003}
1004
1005static void set_vm_context_page_table_base(struct kgd_dev *kgd, uint32_t vmid,
1006 uint32_t page_table_base)
1007{
1008 struct amdgpu_device *adev = get_amdgpu_device(kgd);
1009 uint64_t base = (uint64_t)page_table_base << PAGE_SHIFT |
1010 AMDGPU_PTE_VALID;
1011
1012 if (!amdgpu_amdkfd_is_kfd_vmid(adev, vmid)) {
1013 pr_err("trying to set page table base for wrong VMID %u\n",
1014 vmid);
1015 return;
1016 }
1017
1018 /* TODO: take advantage of per-process address space size. For
1019 * now, all processes share the same address space size, like
1020 * on GFX8 and older.
1021 */
1022 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMMHUB_VM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32) + (vmid*2), 0);
1023 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMMHUB_VM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32) + (vmid*2), 0);
1024
1025 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMMHUB_VM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32) + (vmid*2),
1026 lower_32_bits(adev->vm_manager.max_pfn - 1));
1027 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMMHUB_VM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32) + (vmid*2),
1028 upper_32_bits(adev->vm_manager.max_pfn - 1));
1029
1030 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMMHUB_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32) + (vmid*2), lower_32_bits(base));
1031 WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMMHUB_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32) + (vmid*2), upper_32_bits(base));
1032
1033 WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32) + (vmid*2), 0);
1034 WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32) + (vmid*2), 0);
1035
1036 WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32) + (vmid*2),
1037 lower_32_bits(adev->vm_manager.max_pfn - 1));
1038 WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32) + (vmid*2),
1039 upper_32_bits(adev->vm_manager.max_pfn - 1));
1040
1041 WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32) + (vmid*2), lower_32_bits(base));
1042 WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32) + (vmid*2), upper_32_bits(base));
1043}
Linux 6.x block layer and io_uring tree(s)