1/*
2 * Copyright 2021 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#include "amdgpu.h"
23#include "amdgpu_amdkfd.h"
24#include "amdgpu_amdkfd_gfx_v9.h"
25#include "amdgpu_amdkfd_aldebaran.h"
26#include "gc/gc_9_4_3_offset.h"
27#include "gc/gc_9_4_3_sh_mask.h"
28#include "athub/athub_1_8_0_offset.h"
29#include "athub/athub_1_8_0_sh_mask.h"
30#include "oss/osssys_4_4_2_offset.h"
31#include "oss/osssys_4_4_2_sh_mask.h"
32#include "v9_structs.h"
33#include "soc15.h"
34#include "sdma/sdma_4_4_2_offset.h"
35#include "sdma/sdma_4_4_2_sh_mask.h"
36#include <uapi/linux/kfd_ioctl.h>
37
38static inline struct v9_sdma_mqd *get_sdma_mqd(void *mqd)
39{
40 return (struct v9_sdma_mqd *)mqd;
41}
42
43static uint32_t get_sdma_rlc_reg_offset(struct amdgpu_device *adev,
44 unsigned int engine_id,
45 unsigned int queue_id)
46{
47 uint32_t sdma_engine_reg_base =
48 SOC15_REG_OFFSET(SDMA0, GET_INST(SDMA0, engine_id),
49 regSDMA_RLC0_RB_CNTL) -
50 regSDMA_RLC0_RB_CNTL;
51 uint32_t retval = sdma_engine_reg_base +
52 queue_id * (regSDMA_RLC1_RB_CNTL - regSDMA_RLC0_RB_CNTL);
53
54 pr_debug("RLC register offset for SDMA%d RLC%d: 0x%x\n", engine_id,
55 queue_id, retval);
56 return retval;
57}
58
59static int kgd_gfx_v9_4_3_hqd_sdma_load(struct amdgpu_device *adev, void *mqd,
60 uint32_t __user *wptr, struct mm_struct *mm)
61{
62 struct v9_sdma_mqd *m;
63 uint32_t sdma_rlc_reg_offset;
64 unsigned long end_jiffies;
65 uint32_t data;
66 uint64_t data64;
67 uint64_t __user *wptr64 = (uint64_t __user *)wptr;
68
69 m = get_sdma_mqd(mqd);
70 sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(adev, engine_id: m->sdma_engine_id,
71 queue_id: m->sdma_queue_id);
72
73 WREG32(sdma_rlc_reg_offset + regSDMA_RLC0_RB_CNTL,
74 m->sdmax_rlcx_rb_cntl & (~SDMA_RLC0_RB_CNTL__RB_ENABLE_MASK));
75
76 end_jiffies = msecs_to_jiffies(m: 2000) + jiffies;
77 while (true) {
78 data = RREG32(sdma_rlc_reg_offset + regSDMA_RLC0_CONTEXT_STATUS);
79 if (data & SDMA_RLC0_CONTEXT_STATUS__IDLE_MASK)
80 break;
81 if (time_after(jiffies, end_jiffies)) {
82 pr_err("SDMA RLC not idle in %s\n", __func__);
83 return -ETIME;
84 }
85 usleep_range(min: 500, max: 1000);
86 }
87
88 WREG32(sdma_rlc_reg_offset + regSDMA_RLC0_DOORBELL_OFFSET,
89 m->sdmax_rlcx_doorbell_offset);
90
91 data = REG_SET_FIELD(m->sdmax_rlcx_doorbell, SDMA_RLC0_DOORBELL,
92 ENABLE, 1);
93 WREG32(sdma_rlc_reg_offset + regSDMA_RLC0_DOORBELL, data);
94 WREG32(sdma_rlc_reg_offset + regSDMA_RLC0_RB_RPTR,
95 m->sdmax_rlcx_rb_rptr);
96 WREG32(sdma_rlc_reg_offset + regSDMA_RLC0_RB_RPTR_HI,
97 m->sdmax_rlcx_rb_rptr_hi);
98
99 WREG32(sdma_rlc_reg_offset + regSDMA_RLC0_MINOR_PTR_UPDATE, 1);
100 if (read_user_wptr(mm, wptr64, data64)) {
101 WREG32(sdma_rlc_reg_offset + regSDMA_RLC0_RB_WPTR,
102 lower_32_bits(data64));
103 WREG32(sdma_rlc_reg_offset + regSDMA_RLC0_RB_WPTR_HI,
104 upper_32_bits(data64));
105 } else {
106 WREG32(sdma_rlc_reg_offset + regSDMA_RLC0_RB_WPTR,
107 m->sdmax_rlcx_rb_rptr);
108 WREG32(sdma_rlc_reg_offset + regSDMA_RLC0_RB_WPTR_HI,
109 m->sdmax_rlcx_rb_rptr_hi);
110 }
111 WREG32(sdma_rlc_reg_offset + regSDMA_RLC0_MINOR_PTR_UPDATE, 0);
112
113 WREG32(sdma_rlc_reg_offset + regSDMA_RLC0_RB_BASE, m->sdmax_rlcx_rb_base);
114 WREG32(sdma_rlc_reg_offset + regSDMA_RLC0_RB_BASE_HI,
115 m->sdmax_rlcx_rb_base_hi);
116 WREG32(sdma_rlc_reg_offset + regSDMA_RLC0_RB_RPTR_ADDR_LO,
117 m->sdmax_rlcx_rb_rptr_addr_lo);
118 WREG32(sdma_rlc_reg_offset + regSDMA_RLC0_RB_RPTR_ADDR_HI,
119 m->sdmax_rlcx_rb_rptr_addr_hi);
120
121 data = REG_SET_FIELD(m->sdmax_rlcx_rb_cntl, SDMA_RLC0_RB_CNTL,
122 RB_ENABLE, 1);
123 WREG32(sdma_rlc_reg_offset + regSDMA_RLC0_RB_CNTL, data);
124
125 return 0;
126}
127
128static int kgd_gfx_v9_4_3_hqd_sdma_dump(struct amdgpu_device *adev,
129 uint32_t engine_id, uint32_t queue_id,
130 uint32_t (**dump)[2], uint32_t *n_regs)
131{
132 uint32_t sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(adev,
133 engine_id, queue_id);
134 uint32_t i = 0, reg;
135#undef HQD_N_REGS
136#define HQD_N_REGS (19+6+7+12)
137#define DUMP_REG(addr) do { \
138 if (WARN_ON_ONCE(i >= HQD_N_REGS)) \
139 break; \
140 (*dump)[i][0] = (addr) << 2; \
141 (*dump)[i++][1] = RREG32(addr); \
142 } while (0)
143
144 *dump = kmalloc_array(HQD_N_REGS, sizeof(**dump), GFP_KERNEL);
145 if (*dump == NULL)
146 return -ENOMEM;
147
148 for (reg = regSDMA_RLC0_RB_CNTL; reg <= regSDMA_RLC0_DOORBELL; reg++)
149 DUMP_REG(sdma_rlc_reg_offset + reg);
150 for (reg = regSDMA_RLC0_STATUS; reg <= regSDMA_RLC0_CSA_ADDR_HI; reg++)
151 DUMP_REG(sdma_rlc_reg_offset + reg);
152 for (reg = regSDMA_RLC0_IB_SUB_REMAIN;
153 reg <= regSDMA_RLC0_MINOR_PTR_UPDATE; reg++)
154 DUMP_REG(sdma_rlc_reg_offset + reg);
155 for (reg = regSDMA_RLC0_MIDCMD_DATA0;
156 reg <= regSDMA_RLC0_MIDCMD_CNTL; reg++)
157 DUMP_REG(sdma_rlc_reg_offset + reg);
158
159 WARN_ON_ONCE(i != HQD_N_REGS);
160 *n_regs = i;
161
162 return 0;
163}
164
165static bool kgd_gfx_v9_4_3_hqd_sdma_is_occupied(struct amdgpu_device *adev, void *mqd)
166{
167 struct v9_sdma_mqd *m;
168 uint32_t sdma_rlc_reg_offset;
169 uint32_t sdma_rlc_rb_cntl;
170
171 m = get_sdma_mqd(mqd);
172 sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(adev, engine_id: m->sdma_engine_id,
173 queue_id: m->sdma_queue_id);
174
175 sdma_rlc_rb_cntl = RREG32(sdma_rlc_reg_offset + regSDMA_RLC0_RB_CNTL);
176
177 if (sdma_rlc_rb_cntl & SDMA_RLC0_RB_CNTL__RB_ENABLE_MASK)
178 return true;
179
180 return false;
181}
182
183static int kgd_gfx_v9_4_3_hqd_sdma_destroy(struct amdgpu_device *adev, void *mqd,
184 unsigned int utimeout)
185{
186 struct v9_sdma_mqd *m;
187 uint32_t sdma_rlc_reg_offset;
188 uint32_t temp;
189 unsigned long end_jiffies = (utimeout * HZ / 1000) + jiffies;
190
191 m = get_sdma_mqd(mqd);
192 sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(adev, engine_id: m->sdma_engine_id,
193 queue_id: m->sdma_queue_id);
194
195 temp = RREG32(sdma_rlc_reg_offset + regSDMA_RLC0_RB_CNTL);
196 temp = temp & ~SDMA_RLC0_RB_CNTL__RB_ENABLE_MASK;
197 WREG32(sdma_rlc_reg_offset + regSDMA_RLC0_RB_CNTL, temp);
198
199 while (true) {
200 temp = RREG32(sdma_rlc_reg_offset + regSDMA_RLC0_CONTEXT_STATUS);
201 if (temp & SDMA_RLC0_CONTEXT_STATUS__IDLE_MASK)
202 break;
203 if (time_after(jiffies, end_jiffies)) {
204 pr_err("SDMA RLC not idle in %s\n", __func__);
205 return -ETIME;
206 }
207 usleep_range(min: 500, max: 1000);
208 }
209
210 WREG32(sdma_rlc_reg_offset + regSDMA_RLC0_DOORBELL, 0);
211 WREG32(sdma_rlc_reg_offset + regSDMA_RLC0_RB_CNTL,
212 RREG32(sdma_rlc_reg_offset + regSDMA_RLC0_RB_CNTL) |
213 SDMA_RLC0_RB_CNTL__RB_ENABLE_MASK);
214
215 m->sdmax_rlcx_rb_rptr =
216 RREG32(sdma_rlc_reg_offset + regSDMA_RLC0_RB_RPTR);
217 m->sdmax_rlcx_rb_rptr_hi =
218 RREG32(sdma_rlc_reg_offset + regSDMA_RLC0_RB_RPTR_HI);
219
220 return 0;
221}
222
223static int kgd_gfx_v9_4_3_set_pasid_vmid_mapping(struct amdgpu_device *adev,
224 u32 pasid, unsigned int vmid, uint32_t xcc_inst)
225{
226 unsigned long timeout;
227 unsigned int reg;
228 unsigned int phy_inst = GET_INST(GC, xcc_inst);
229 /* Every two XCCs share one AID */
230 unsigned int aid = phy_inst / 2;
231
232 /*
233 * We have to assume that there is no outstanding mapping.
234 * The ATC_VMID_PASID_MAPPING_UPDATE_STATUS bit could be 0 because
235 * a mapping is in progress or because a mapping finished
236 * and the SW cleared it.
237 * So the protocol is to always wait & clear.
238 */
239 uint32_t pasid_mapping = (pasid == 0) ? 0 : (uint32_t)pasid |
240 ATC_VMID0_PASID_MAPPING__VALID_MASK;
241
242 WREG32(SOC15_REG_OFFSET(ATHUB, 0,
243 regATC_VMID0_PASID_MAPPING) + vmid, pasid_mapping);
244
245 timeout = jiffies + msecs_to_jiffies(m: 10);
246 while (!(RREG32(SOC15_REG_OFFSET(ATHUB, 0,
247 regATC_VMID_PASID_MAPPING_UPDATE_STATUS)) &
248 (1U << vmid))) {
249 if (time_after(jiffies, timeout)) {
250 pr_err("Fail to program VMID-PASID mapping\n");
251 return -ETIME;
252 }
253 cpu_relax();
254 }
255
256 WREG32(SOC15_REG_OFFSET(ATHUB, 0,
257 regATC_VMID_PASID_MAPPING_UPDATE_STATUS),
258 1U << vmid);
259
260 reg = RREG32(SOC15_REG_OFFSET(OSSSYS, 0, regIH_VMID_LUT_INDEX));
261 /* Every 4 numbers is a cycle. 1st is AID, 2nd and 3rd are XCDs,
262 * and the 4th is reserved. Therefore "aid * 4 + (xcc_inst % 2) + 1"
263 * programs _LUT for XCC and "aid * 4" for AID where the XCC connects
264 * to.
265 */
266 WREG32(SOC15_REG_OFFSET(OSSSYS, 0, regIH_VMID_LUT_INDEX),
267 aid * 4 + (phy_inst % 2) + 1);
268 WREG32(SOC15_REG_OFFSET(OSSSYS, 0, regIH_VMID_0_LUT) + vmid,
269 pasid_mapping);
270 WREG32(SOC15_REG_OFFSET(OSSSYS, 0, regIH_VMID_LUT_INDEX),
271 aid * 4);
272 WREG32(SOC15_REG_OFFSET(OSSSYS, 0, regIH_VMID_0_LUT_MM) + vmid,
273 pasid_mapping);
274 WREG32(SOC15_REG_OFFSET(OSSSYS, 0, regIH_VMID_LUT_INDEX), reg);
275
276 return 0;
277}
278
279static inline struct v9_mqd *get_mqd(void *mqd)
280{
281 return (struct v9_mqd *)mqd;
282}
283
284static int kgd_gfx_v9_4_3_hqd_load(struct amdgpu_device *adev, void *mqd,
285 uint32_t pipe_id, uint32_t queue_id,
286 uint32_t __user *wptr, uint32_t wptr_shift,
287 uint32_t wptr_mask, struct mm_struct *mm, uint32_t inst)
288{
289 struct v9_mqd *m;
290 uint32_t *mqd_hqd;
291 uint32_t reg, hqd_base, hqd_end, data;
292
293 m = get_mqd(mqd);
294
295 kgd_gfx_v9_acquire_queue(adev, pipe_id, queue_id, inst);
296
297 /* HQD registers extend to CP_HQD_AQL_DISPATCH_ID_HI */
298 mqd_hqd = &m->cp_mqd_base_addr_lo;
299 hqd_base = SOC15_REG_OFFSET(GC, GET_INST(GC, inst), regCP_MQD_BASE_ADDR);
300 hqd_end = SOC15_REG_OFFSET(GC, GET_INST(GC, inst), regCP_HQD_AQL_DISPATCH_ID_HI);
301
302 for (reg = hqd_base; reg <= hqd_end; reg++)
303 WREG32_XCC(reg, mqd_hqd[reg - hqd_base], inst);
304
305
306 /* Activate doorbell logic before triggering WPTR poll. */
307 data = REG_SET_FIELD(m->cp_hqd_pq_doorbell_control,
308 CP_HQD_PQ_DOORBELL_CONTROL, DOORBELL_EN, 1);
309 WREG32_SOC15_RLC(GC, GET_INST(GC, inst), regCP_HQD_PQ_DOORBELL_CONTROL, data);
310
311 if (wptr) {
312 /* Don't read wptr with get_user because the user
313 * context may not be accessible (if this function
314 * runs in a work queue). Instead trigger a one-shot
315 * polling read from memory in the CP. This assumes
316 * that wptr is GPU-accessible in the queue's VMID via
317 * ATC or SVM. WPTR==RPTR before starting the poll so
318 * the CP starts fetching new commands from the right
319 * place.
320 *
321 * Guessing a 64-bit WPTR from a 32-bit RPTR is a bit
322 * tricky. Assume that the queue didn't overflow. The
323 * number of valid bits in the 32-bit RPTR depends on
324 * the queue size. The remaining bits are taken from
325 * the saved 64-bit WPTR. If the WPTR wrapped, add the
326 * queue size.
327 */
328 uint32_t queue_size =
329 2 << REG_GET_FIELD(m->cp_hqd_pq_control,
330 CP_HQD_PQ_CONTROL, QUEUE_SIZE);
331 uint64_t guessed_wptr = m->cp_hqd_pq_rptr & (queue_size - 1);
332
333 if ((m->cp_hqd_pq_wptr_lo & (queue_size - 1)) < guessed_wptr)
334 guessed_wptr += queue_size;
335 guessed_wptr += m->cp_hqd_pq_wptr_lo & ~(queue_size - 1);
336 guessed_wptr += (uint64_t)m->cp_hqd_pq_wptr_hi << 32;
337
338 WREG32_SOC15_RLC(GC, GET_INST(GC, inst), regCP_HQD_PQ_WPTR_LO,
339 lower_32_bits(guessed_wptr));
340 WREG32_SOC15_RLC(GC, GET_INST(GC, inst), regCP_HQD_PQ_WPTR_HI,
341 upper_32_bits(guessed_wptr));
342 WREG32_SOC15_RLC(GC, GET_INST(GC, inst), regCP_HQD_PQ_WPTR_POLL_ADDR,
343 lower_32_bits((uintptr_t)wptr));
344 WREG32_SOC15_RLC(GC, GET_INST(GC, inst), regCP_HQD_PQ_WPTR_POLL_ADDR_HI,
345 upper_32_bits((uintptr_t)wptr));
346 WREG32_SOC15_RLC(GC, GET_INST(GC, inst), regCP_PQ_WPTR_POLL_CNTL1,
347 (uint32_t)kgd_gfx_v9_get_queue_mask(adev, pipe_id, queue_id));
348 }
349
350 /* Start the EOP fetcher */
351 WREG32_SOC15_RLC(GC, GET_INST(GC, inst), regCP_HQD_EOP_RPTR,
352 REG_SET_FIELD(m->cp_hqd_eop_rptr, CP_HQD_EOP_RPTR, INIT_FETCHER, 1));
353
354 data = REG_SET_FIELD(m->cp_hqd_active, CP_HQD_ACTIVE, ACTIVE, 1);
355 WREG32_SOC15_RLC(GC, GET_INST(GC, inst), regCP_HQD_ACTIVE, data);
356
357 kgd_gfx_v9_release_queue(adev, inst);
358
359 return 0;
360}
361
362/* returns TRAP_EN, EXCP_EN and EXCP_REPLACE. */
363static uint32_t kgd_gfx_v9_4_3_disable_debug_trap(struct amdgpu_device *adev,
364 bool keep_trap_enabled,
365 uint32_t vmid)
366{
367 uint32_t data = 0;
368
369 data = REG_SET_FIELD(data, SPI_GDBG_PER_VMID_CNTL, TRAP_EN, 1);
370 data = REG_SET_FIELD(data, SPI_GDBG_PER_VMID_CNTL, EXCP_EN, 0);
371 data = REG_SET_FIELD(data, SPI_GDBG_PER_VMID_CNTL, EXCP_REPLACE, 0);
372
373 return data;
374}
375
376static int kgd_gfx_v9_4_3_validate_trap_override_request(
377 struct amdgpu_device *adev,
378 uint32_t trap_override,
379 uint32_t *trap_mask_supported)
380{
381 *trap_mask_supported &= KFD_DBG_TRAP_MASK_FP_INVALID |
382 KFD_DBG_TRAP_MASK_FP_INPUT_DENORMAL |
383 KFD_DBG_TRAP_MASK_FP_DIVIDE_BY_ZERO |
384 KFD_DBG_TRAP_MASK_FP_OVERFLOW |
385 KFD_DBG_TRAP_MASK_FP_UNDERFLOW |
386 KFD_DBG_TRAP_MASK_FP_INEXACT |
387 KFD_DBG_TRAP_MASK_INT_DIVIDE_BY_ZERO |
388 KFD_DBG_TRAP_MASK_DBG_ADDRESS_WATCH |
389 KFD_DBG_TRAP_MASK_DBG_MEMORY_VIOLATION |
390 KFD_DBG_TRAP_MASK_TRAP_ON_WAVE_START |
391 KFD_DBG_TRAP_MASK_TRAP_ON_WAVE_END;
392
393 if (trap_override != KFD_DBG_TRAP_OVERRIDE_OR &&
394 trap_override != KFD_DBG_TRAP_OVERRIDE_REPLACE)
395 return -EPERM;
396
397 return 0;
398}
399
400static uint32_t trap_mask_map_sw_to_hw(uint32_t mask)
401{
402 uint32_t trap_on_start = (mask & KFD_DBG_TRAP_MASK_TRAP_ON_WAVE_START) ? 1 : 0;
403 uint32_t trap_on_end = (mask & KFD_DBG_TRAP_MASK_TRAP_ON_WAVE_END) ? 1 : 0;
404 uint32_t excp_en = mask & (KFD_DBG_TRAP_MASK_FP_INVALID |
405 KFD_DBG_TRAP_MASK_FP_INPUT_DENORMAL |
406 KFD_DBG_TRAP_MASK_FP_DIVIDE_BY_ZERO |
407 KFD_DBG_TRAP_MASK_FP_OVERFLOW |
408 KFD_DBG_TRAP_MASK_FP_UNDERFLOW |
409 KFD_DBG_TRAP_MASK_FP_INEXACT |
410 KFD_DBG_TRAP_MASK_INT_DIVIDE_BY_ZERO |
411 KFD_DBG_TRAP_MASK_DBG_ADDRESS_WATCH |
412 KFD_DBG_TRAP_MASK_DBG_MEMORY_VIOLATION);
413 uint32_t ret;
414
415 ret = REG_SET_FIELD(0, SPI_GDBG_PER_VMID_CNTL, EXCP_EN, excp_en);
416 ret = REG_SET_FIELD(ret, SPI_GDBG_PER_VMID_CNTL, TRAP_ON_START, trap_on_start);
417 ret = REG_SET_FIELD(ret, SPI_GDBG_PER_VMID_CNTL, TRAP_ON_END, trap_on_end);
418
419 return ret;
420}
421
422static uint32_t trap_mask_map_hw_to_sw(uint32_t mask)
423{
424 uint32_t ret = REG_GET_FIELD(mask, SPI_GDBG_PER_VMID_CNTL, EXCP_EN);
425
426 if (REG_GET_FIELD(mask, SPI_GDBG_PER_VMID_CNTL, TRAP_ON_START))
427 ret |= KFD_DBG_TRAP_MASK_TRAP_ON_WAVE_START;
428
429 if (REG_GET_FIELD(mask, SPI_GDBG_PER_VMID_CNTL, TRAP_ON_END))
430 ret |= KFD_DBG_TRAP_MASK_TRAP_ON_WAVE_END;
431
432 return ret;
433}
434
435/* returns TRAP_EN, EXCP_EN and EXCP_REPLACE. */
436static uint32_t kgd_gfx_v9_4_3_set_wave_launch_trap_override(
437 struct amdgpu_device *adev,
438 uint32_t vmid,
439 uint32_t trap_override,
440 uint32_t trap_mask_bits,
441 uint32_t trap_mask_request,
442 uint32_t *trap_mask_prev,
443 uint32_t kfd_dbg_trap_cntl_prev)
444
445{
446 uint32_t data = 0;
447
448 *trap_mask_prev = trap_mask_map_hw_to_sw(mask: kfd_dbg_trap_cntl_prev);
449
450 data = (trap_mask_bits & trap_mask_request) |
451 (*trap_mask_prev & ~trap_mask_request);
452 data = trap_mask_map_sw_to_hw(mask: data);
453
454 data = REG_SET_FIELD(data, SPI_GDBG_PER_VMID_CNTL, TRAP_EN, 1);
455 data = REG_SET_FIELD(data, SPI_GDBG_PER_VMID_CNTL, EXCP_REPLACE, trap_override);
456
457 return data;
458}
459
460#define TCP_WATCH_STRIDE (regTCP_WATCH1_ADDR_H - regTCP_WATCH0_ADDR_H)
461static uint32_t kgd_gfx_v9_4_3_set_address_watch(
462 struct amdgpu_device *adev,
463 uint64_t watch_address,
464 uint32_t watch_address_mask,
465 uint32_t watch_id,
466 uint32_t watch_mode,
467 uint32_t debug_vmid,
468 uint32_t inst)
469{
470 uint32_t watch_address_high;
471 uint32_t watch_address_low;
472 uint32_t watch_address_cntl;
473
474 watch_address_cntl = 0;
475 watch_address_low = lower_32_bits(watch_address);
476 watch_address_high = upper_32_bits(watch_address) & 0xffff;
477
478 watch_address_cntl = REG_SET_FIELD(watch_address_cntl,
479 TCP_WATCH0_CNTL,
480 MODE,
481 watch_mode);
482
483 watch_address_cntl = REG_SET_FIELD(watch_address_cntl,
484 TCP_WATCH0_CNTL,
485 MASK,
486 watch_address_mask >> 7);
487
488 watch_address_cntl = REG_SET_FIELD(watch_address_cntl,
489 TCP_WATCH0_CNTL,
490 VALID,
491 1);
492
493 WREG32_XCC((SOC15_REG_OFFSET(GC, GET_INST(GC, inst),
494 regTCP_WATCH0_ADDR_H) +
495 (watch_id * TCP_WATCH_STRIDE)),
496 watch_address_high, inst);
497
498 WREG32_XCC((SOC15_REG_OFFSET(GC, GET_INST(GC, inst),
499 regTCP_WATCH0_ADDR_L) +
500 (watch_id * TCP_WATCH_STRIDE)),
501 watch_address_low, inst);
502
503 return watch_address_cntl;
504}
505
506static uint32_t kgd_gfx_v9_4_3_clear_address_watch(struct amdgpu_device *adev,
507 uint32_t watch_id)
508{
509 return 0;
510}
511
512static uint32_t kgd_gfx_v9_4_3_hqd_sdma_get_doorbell(struct amdgpu_device *adev,
513 int engine, int queue)
514{
515 uint32_t reg_offset = get_sdma_rlc_reg_offset(adev, engine_id: engine, queue_id: queue);
516 uint32_t status = RREG32(regSDMA_RLC0_CONTEXT_STATUS + reg_offset);
517 uint32_t doorbell_off = RREG32(regSDMA_RLC0_DOORBELL_OFFSET + reg_offset);
518 bool is_active = !!REG_GET_FIELD(status, SDMA_RLC0_CONTEXT_STATUS, SELECTED);
519
520 return is_active ? doorbell_off >> 2 : 0;
521}
522
523const struct kfd2kgd_calls gc_9_4_3_kfd2kgd = {
524 .program_sh_mem_settings = kgd_gfx_v9_program_sh_mem_settings,
525 .set_pasid_vmid_mapping = kgd_gfx_v9_4_3_set_pasid_vmid_mapping,
526 .init_interrupts = kgd_gfx_v9_init_interrupts,
527 .hqd_load = kgd_gfx_v9_4_3_hqd_load,
528 .hiq_mqd_load = kgd_gfx_v9_hiq_mqd_load,
529 .hqd_sdma_load = kgd_gfx_v9_4_3_hqd_sdma_load,
530 .hqd_dump = kgd_gfx_v9_hqd_dump,
531 .hqd_sdma_dump = kgd_gfx_v9_4_3_hqd_sdma_dump,
532 .hqd_is_occupied = kgd_gfx_v9_hqd_is_occupied,
533 .hqd_sdma_is_occupied = kgd_gfx_v9_4_3_hqd_sdma_is_occupied,
534 .hqd_destroy = kgd_gfx_v9_hqd_destroy,
535 .hqd_sdma_destroy = kgd_gfx_v9_4_3_hqd_sdma_destroy,
536 .wave_control_execute = kgd_gfx_v9_wave_control_execute,
537 .get_atc_vmid_pasid_mapping_info =
538 kgd_gfx_v9_get_atc_vmid_pasid_mapping_info,
539 .set_vm_context_page_table_base =
540 kgd_gfx_v9_set_vm_context_page_table_base,
541 .get_cu_occupancy = kgd_gfx_v9_get_cu_occupancy,
542 .program_trap_handler_settings =
543 kgd_gfx_v9_program_trap_handler_settings,
544 .build_dequeue_wait_counts_packet_info =
545 kgd_gfx_v9_build_dequeue_wait_counts_packet_info,
546 .get_iq_wait_times = kgd_gfx_v9_get_iq_wait_times,
547 .enable_debug_trap = kgd_aldebaran_enable_debug_trap,
548 .disable_debug_trap = kgd_gfx_v9_4_3_disable_debug_trap,
549 .validate_trap_override_request =
550 kgd_gfx_v9_4_3_validate_trap_override_request,
551 .set_wave_launch_trap_override =
552 kgd_gfx_v9_4_3_set_wave_launch_trap_override,
553 .set_wave_launch_mode = kgd_aldebaran_set_wave_launch_mode,
554 .set_address_watch = kgd_gfx_v9_4_3_set_address_watch,
555 .clear_address_watch = kgd_gfx_v9_4_3_clear_address_watch,
556 .hqd_get_pq_addr = kgd_gfx_v9_hqd_get_pq_addr,
557 .hqd_reset = kgd_gfx_v9_hqd_reset,
558 .hqd_sdma_get_doorbell = kgd_gfx_v9_4_3_hqd_sdma_get_doorbell
559};
560

source code of linux/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gc_9_4_3.c