| 1 | /* |
| 2 | * Copyright 2019 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_v10.h" |
| 25 | #include "gc/gc_10_1_0_offset.h" |
| 26 | #include "gc/gc_10_1_0_sh_mask.h" |
| 27 | #include "athub/athub_2_0_0_offset.h" |
| 28 | #include "athub/athub_2_0_0_sh_mask.h" |
| 29 | #include "oss/osssys_5_0_0_offset.h" |
| 30 | #include "oss/osssys_5_0_0_sh_mask.h" |
| 31 | #include "soc15_common.h" |
| 32 | #include "v10_structs.h" |
| 33 | #include "nv.h" |
| 34 | #include "nvd.h" |
| 35 | #include <uapi/linux/kfd_ioctl.h> |
| 36 | |
| 37 | enum hqd_dequeue_request_type { |
| 38 | NO_ACTION = 0, |
| 39 | DRAIN_PIPE, |
| 40 | RESET_WAVES, |
| 41 | SAVE_WAVES |
| 42 | }; |
| 43 | |
| 44 | static void lock_srbm(struct amdgpu_device *adev, uint32_t mec, uint32_t pipe, |
| 45 | uint32_t queue, uint32_t vmid) |
| 46 | { |
| 47 | mutex_lock(&adev->srbm_mutex); |
| 48 | nv_grbm_select(adev, me: mec, pipe, queue, vmid); |
| 49 | } |
| 50 | |
| 51 | static void unlock_srbm(struct amdgpu_device *adev) |
| 52 | { |
| 53 | nv_grbm_select(adev, me: 0, pipe: 0, queue: 0, vmid: 0); |
| 54 | mutex_unlock(lock: &adev->srbm_mutex); |
| 55 | } |
| 56 | |
| 57 | static void acquire_queue(struct amdgpu_device *adev, uint32_t pipe_id, |
| 58 | uint32_t queue_id) |
| 59 | { |
| 60 | uint32_t mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1; |
| 61 | uint32_t pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec); |
| 62 | |
| 63 | lock_srbm(adev, mec, pipe, queue: queue_id, vmid: 0); |
| 64 | } |
| 65 | |
| 66 | static uint64_t get_queue_mask(struct amdgpu_device *adev, |
| 67 | uint32_t pipe_id, uint32_t queue_id) |
| 68 | { |
| 69 | unsigned int bit = pipe_id * adev->gfx.mec.num_queue_per_pipe + |
| 70 | queue_id; |
| 71 | |
| 72 | return 1ull << bit; |
| 73 | } |
| 74 | |
| 75 | static void release_queue(struct amdgpu_device *adev) |
| 76 | { |
| 77 | unlock_srbm(adev); |
| 78 | } |
| 79 | |
| 80 | static void kgd_program_sh_mem_settings(struct amdgpu_device *adev, uint32_t vmid, |
| 81 | uint32_t sh_mem_config, |
| 82 | uint32_t sh_mem_ape1_base, |
| 83 | uint32_t sh_mem_ape1_limit, |
| 84 | uint32_t sh_mem_bases, uint32_t inst) |
| 85 | { |
| 86 | lock_srbm(adev, mec: 0, pipe: 0, queue: 0, vmid); |
| 87 | |
| 88 | WREG32_SOC15(GC, 0, mmSH_MEM_CONFIG, sh_mem_config); |
| 89 | WREG32_SOC15(GC, 0, mmSH_MEM_BASES, sh_mem_bases); |
| 90 | /* APE1 no longer exists on GFX9 */ |
| 91 | |
| 92 | unlock_srbm(adev); |
| 93 | } |
| 94 | |
| 95 | static int kgd_set_pasid_vmid_mapping(struct amdgpu_device *adev, u32 pasid, |
| 96 | unsigned int vmid, uint32_t inst) |
| 97 | { |
| 98 | /* |
| 99 | * We have to assume that there is no outstanding mapping. |
| 100 | * The ATC_VMID_PASID_MAPPING_UPDATE_STATUS bit could be 0 because |
| 101 | * a mapping is in progress or because a mapping finished |
| 102 | * and the SW cleared it. |
| 103 | * So the protocol is to always wait & clear. |
| 104 | */ |
| 105 | uint32_t pasid_mapping = (pasid == 0) ? 0 : (uint32_t)pasid | |
| 106 | ATC_VMID0_PASID_MAPPING__VALID_MASK; |
| 107 | |
| 108 | pr_debug("pasid 0x%x vmid %d, reg value %x\n" , pasid, vmid, pasid_mapping); |
| 109 | |
| 110 | pr_debug("ATHUB, reg %x\n" , SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING) + vmid); |
| 111 | WREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING) + vmid, |
| 112 | pasid_mapping); |
| 113 | |
| 114 | #if 0 |
| 115 | /* TODO: uncomment this code when the hardware support is ready. */ |
| 116 | while (!(RREG32(SOC15_REG_OFFSET( |
| 117 | ATHUB, 0, |
| 118 | mmATC_VMID_PASID_MAPPING_UPDATE_STATUS)) & |
| 119 | (1U << vmid))) |
| 120 | cpu_relax(); |
| 121 | |
| 122 | pr_debug("ATHUB mapping update finished\n" ); |
| 123 | WREG32(SOC15_REG_OFFSET(ATHUB, 0, |
| 124 | mmATC_VMID_PASID_MAPPING_UPDATE_STATUS), |
| 125 | 1U << vmid); |
| 126 | #endif |
| 127 | |
| 128 | /* Mapping vmid to pasid also for IH block */ |
| 129 | pr_debug("update mapping for IH block and mmhub" ); |
| 130 | WREG32(SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT) + vmid, |
| 131 | pasid_mapping); |
| 132 | |
| 133 | return 0; |
| 134 | } |
| 135 | |
| 136 | /* TODO - RING0 form of field is obsolete, seems to date back to SI |
| 137 | * but still works |
| 138 | */ |
| 139 | |
| 140 | static int kgd_init_interrupts(struct amdgpu_device *adev, uint32_t pipe_id, |
| 141 | uint32_t inst) |
| 142 | { |
| 143 | uint32_t mec; |
| 144 | uint32_t pipe; |
| 145 | |
| 146 | mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1; |
| 147 | pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec); |
| 148 | |
| 149 | lock_srbm(adev, mec, pipe, queue: 0, vmid: 0); |
| 150 | |
| 151 | WREG32_SOC15(GC, 0, mmCPC_INT_CNTL, |
| 152 | CP_INT_CNTL_RING0__TIME_STAMP_INT_ENABLE_MASK | |
| 153 | CP_INT_CNTL_RING0__OPCODE_ERROR_INT_ENABLE_MASK); |
| 154 | |
| 155 | unlock_srbm(adev); |
| 156 | |
| 157 | return 0; |
| 158 | } |
| 159 | |
| 160 | static uint32_t get_sdma_rlc_reg_offset(struct amdgpu_device *adev, |
| 161 | unsigned int engine_id, |
| 162 | unsigned int queue_id) |
| 163 | { |
| 164 | uint32_t sdma_engine_reg_base[2] = { |
| 165 | SOC15_REG_OFFSET(SDMA0, 0, |
| 166 | mmSDMA0_RLC0_RB_CNTL) - mmSDMA0_RLC0_RB_CNTL, |
| 167 | /* On gfx10, mmSDMA1_xxx registers are defined NOT based |
| 168 | * on SDMA1 base address (dw 0x1860) but based on SDMA0 |
| 169 | * base address (dw 0x1260). Therefore use mmSDMA0_RLC0_RB_CNTL |
| 170 | * instead of mmSDMA1_RLC0_RB_CNTL for the base address calc |
| 171 | * below |
| 172 | */ |
| 173 | SOC15_REG_OFFSET(SDMA1, 0, |
| 174 | mmSDMA1_RLC0_RB_CNTL) - mmSDMA0_RLC0_RB_CNTL |
| 175 | }; |
| 176 | |
| 177 | uint32_t retval = sdma_engine_reg_base[engine_id] |
| 178 | + queue_id * (mmSDMA0_RLC1_RB_CNTL - mmSDMA0_RLC0_RB_CNTL); |
| 179 | |
| 180 | pr_debug("RLC register offset for SDMA%d RLC%d: 0x%x\n" , engine_id, |
| 181 | queue_id, retval); |
| 182 | |
| 183 | return retval; |
| 184 | } |
| 185 | |
| 186 | #if 0 |
| 187 | static uint32_t get_watch_base_addr(struct amdgpu_device *adev) |
| 188 | { |
| 189 | uint32_t retval = SOC15_REG_OFFSET(GC, 0, mmTCP_WATCH0_ADDR_H) - |
| 190 | mmTCP_WATCH0_ADDR_H; |
| 191 | |
| 192 | pr_debug("kfd: reg watch base address: 0x%x\n" , retval); |
| 193 | |
| 194 | return retval; |
| 195 | } |
| 196 | #endif |
| 197 | |
| 198 | static inline struct v10_compute_mqd *get_mqd(void *mqd) |
| 199 | { |
| 200 | return (struct v10_compute_mqd *)mqd; |
| 201 | } |
| 202 | |
| 203 | static inline struct v10_sdma_mqd *get_sdma_mqd(void *mqd) |
| 204 | { |
| 205 | return (struct v10_sdma_mqd *)mqd; |
| 206 | } |
| 207 | |
| 208 | static int kgd_hqd_load(struct amdgpu_device *adev, void *mqd, |
| 209 | uint32_t pipe_id, uint32_t queue_id, |
| 210 | uint32_t __user *wptr, uint32_t wptr_shift, |
| 211 | uint32_t wptr_mask, struct mm_struct *mm, uint32_t inst) |
| 212 | { |
| 213 | struct v10_compute_mqd *m; |
| 214 | uint32_t *mqd_hqd; |
| 215 | uint32_t reg, hqd_base, data; |
| 216 | |
| 217 | m = get_mqd(mqd); |
| 218 | |
| 219 | pr_debug("Load hqd of pipe %d queue %d\n" , pipe_id, queue_id); |
| 220 | acquire_queue(adev, pipe_id, queue_id); |
| 221 | |
| 222 | /* HQD registers extend from CP_MQD_BASE_ADDR to CP_HQD_EOP_WPTR_MEM. */ |
| 223 | mqd_hqd = &m->cp_mqd_base_addr_lo; |
| 224 | hqd_base = SOC15_REG_OFFSET(GC, 0, mmCP_MQD_BASE_ADDR); |
| 225 | |
| 226 | for (reg = hqd_base; |
| 227 | reg <= SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_HI); reg++) |
| 228 | WREG32_SOC15_IP(GC, reg, mqd_hqd[reg - hqd_base]); |
| 229 | |
| 230 | |
| 231 | /* Activate doorbell logic before triggering WPTR poll. */ |
| 232 | data = REG_SET_FIELD(m->cp_hqd_pq_doorbell_control, |
| 233 | CP_HQD_PQ_DOORBELL_CONTROL, DOORBELL_EN, 1); |
| 234 | WREG32_SOC15(GC, 0, mmCP_HQD_PQ_DOORBELL_CONTROL, data); |
| 235 | |
| 236 | if (wptr) { |
| 237 | /* Don't read wptr with get_user because the user |
| 238 | * context may not be accessible (if this function |
| 239 | * runs in a work queue). Instead trigger a one-shot |
| 240 | * polling read from memory in the CP. This assumes |
| 241 | * that wptr is GPU-accessible in the queue's VMID via |
| 242 | * ATC or SVM. WPTR==RPTR before starting the poll so |
| 243 | * the CP starts fetching new commands from the right |
| 244 | * place. |
| 245 | * |
| 246 | * Guessing a 64-bit WPTR from a 32-bit RPTR is a bit |
| 247 | * tricky. Assume that the queue didn't overflow. The |
| 248 | * number of valid bits in the 32-bit RPTR depends on |
| 249 | * the queue size. The remaining bits are taken from |
| 250 | * the saved 64-bit WPTR. If the WPTR wrapped, add the |
| 251 | * queue size. |
| 252 | */ |
| 253 | uint32_t queue_size = |
| 254 | 2 << REG_GET_FIELD(m->cp_hqd_pq_control, |
| 255 | CP_HQD_PQ_CONTROL, QUEUE_SIZE); |
| 256 | uint64_t guessed_wptr = m->cp_hqd_pq_rptr & (queue_size - 1); |
| 257 | |
| 258 | if ((m->cp_hqd_pq_wptr_lo & (queue_size - 1)) < guessed_wptr) |
| 259 | guessed_wptr += queue_size; |
| 260 | guessed_wptr += m->cp_hqd_pq_wptr_lo & ~(queue_size - 1); |
| 261 | guessed_wptr += (uint64_t)m->cp_hqd_pq_wptr_hi << 32; |
| 262 | |
| 263 | WREG32_SOC15(GC, 0, mmCP_HQD_PQ_WPTR_LO, |
| 264 | lower_32_bits(guessed_wptr)); |
| 265 | WREG32_SOC15(GC, 0, mmCP_HQD_PQ_WPTR_HI, |
| 266 | upper_32_bits(guessed_wptr)); |
| 267 | WREG32_SOC15(GC, 0, mmCP_HQD_PQ_WPTR_POLL_ADDR, |
| 268 | lower_32_bits((uint64_t)wptr)); |
| 269 | WREG32_SOC15(GC, 0, mmCP_HQD_PQ_WPTR_POLL_ADDR_HI, |
| 270 | upper_32_bits((uint64_t)wptr)); |
| 271 | pr_debug("%s setting CP_PQ_WPTR_POLL_CNTL1 to %x\n" , __func__, |
| 272 | (uint32_t)get_queue_mask(adev, pipe_id, queue_id)); |
| 273 | WREG32_SOC15(GC, 0, mmCP_PQ_WPTR_POLL_CNTL1, |
| 274 | (uint32_t)get_queue_mask(adev, pipe_id, queue_id)); |
| 275 | } |
| 276 | |
| 277 | /* Start the EOP fetcher */ |
| 278 | WREG32_SOC15(GC, 0, mmCP_HQD_EOP_RPTR, |
| 279 | REG_SET_FIELD(m->cp_hqd_eop_rptr, |
| 280 | CP_HQD_EOP_RPTR, INIT_FETCHER, 1)); |
| 281 | |
| 282 | data = REG_SET_FIELD(m->cp_hqd_active, CP_HQD_ACTIVE, ACTIVE, 1); |
| 283 | WREG32_SOC15(GC, 0, mmCP_HQD_ACTIVE, data); |
| 284 | |
| 285 | release_queue(adev); |
| 286 | |
| 287 | return 0; |
| 288 | } |
| 289 | |
| 290 | static int kgd_hiq_mqd_load(struct amdgpu_device *adev, void *mqd, |
| 291 | uint32_t pipe_id, uint32_t queue_id, |
| 292 | uint32_t doorbell_off, uint32_t inst) |
| 293 | { |
| 294 | struct amdgpu_ring *kiq_ring = &adev->gfx.kiq[0].ring; |
| 295 | struct v10_compute_mqd *m; |
| 296 | uint32_t mec, pipe; |
| 297 | int r; |
| 298 | |
| 299 | m = get_mqd(mqd); |
| 300 | |
| 301 | acquire_queue(adev, pipe_id, queue_id); |
| 302 | |
| 303 | mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1; |
| 304 | pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec); |
| 305 | |
| 306 | pr_debug("kfd: set HIQ, mec:%d, pipe:%d, queue:%d.\n" , |
| 307 | mec, pipe, queue_id); |
| 308 | |
| 309 | spin_lock(lock: &adev->gfx.kiq[0].ring_lock); |
| 310 | r = amdgpu_ring_alloc(ring: kiq_ring, ndw: 7); |
| 311 | if (r) { |
| 312 | pr_err("Failed to alloc KIQ (%d).\n" , r); |
| 313 | goto out_unlock; |
| 314 | } |
| 315 | |
| 316 | amdgpu_ring_write(ring: kiq_ring, PACKET3(PACKET3_MAP_QUEUES, 5)); |
| 317 | amdgpu_ring_write(ring: kiq_ring, |
| 318 | PACKET3_MAP_QUEUES_QUEUE_SEL(0) | /* Queue_Sel */ |
| 319 | PACKET3_MAP_QUEUES_VMID(m->cp_hqd_vmid) | /* VMID */ |
| 320 | PACKET3_MAP_QUEUES_QUEUE(queue_id) | |
| 321 | PACKET3_MAP_QUEUES_PIPE(pipe) | |
| 322 | PACKET3_MAP_QUEUES_ME((mec - 1)) | |
| 323 | PACKET3_MAP_QUEUES_QUEUE_TYPE(0) | /*queue_type: normal compute queue */ |
| 324 | PACKET3_MAP_QUEUES_ALLOC_FORMAT(0) | /* alloc format: all_on_one_pipe */ |
| 325 | PACKET3_MAP_QUEUES_ENGINE_SEL(1) | /* engine_sel: hiq */ |
| 326 | PACKET3_MAP_QUEUES_NUM_QUEUES(1)); /* num_queues: must be 1 */ |
| 327 | amdgpu_ring_write(ring: kiq_ring, |
| 328 | PACKET3_MAP_QUEUES_DOORBELL_OFFSET(doorbell_off)); |
| 329 | amdgpu_ring_write(ring: kiq_ring, v: m->cp_mqd_base_addr_lo); |
| 330 | amdgpu_ring_write(ring: kiq_ring, v: m->cp_mqd_base_addr_hi); |
| 331 | amdgpu_ring_write(ring: kiq_ring, v: m->cp_hqd_pq_wptr_poll_addr_lo); |
| 332 | amdgpu_ring_write(ring: kiq_ring, v: m->cp_hqd_pq_wptr_poll_addr_hi); |
| 333 | amdgpu_ring_commit(ring: kiq_ring); |
| 334 | |
| 335 | out_unlock: |
| 336 | spin_unlock(lock: &adev->gfx.kiq[0].ring_lock); |
| 337 | release_queue(adev); |
| 338 | |
| 339 | return r; |
| 340 | } |
| 341 | |
| 342 | static int kgd_hqd_dump(struct amdgpu_device *adev, |
| 343 | uint32_t pipe_id, uint32_t queue_id, |
| 344 | uint32_t (**dump)[2], uint32_t *n_regs, uint32_t inst) |
| 345 | { |
| 346 | uint32_t i = 0, reg; |
| 347 | #define HQD_N_REGS 56 |
| 348 | #define DUMP_REG(addr) do { \ |
| 349 | if (WARN_ON_ONCE(i >= HQD_N_REGS)) \ |
| 350 | break; \ |
| 351 | (*dump)[i][0] = (addr) << 2; \ |
| 352 | (*dump)[i++][1] = RREG32_SOC15_IP(GC, addr); \ |
| 353 | } while (0) |
| 354 | |
| 355 | *dump = kmalloc_array(HQD_N_REGS, sizeof(**dump), GFP_KERNEL); |
| 356 | if (*dump == NULL) |
| 357 | return -ENOMEM; |
| 358 | |
| 359 | acquire_queue(adev, pipe_id, queue_id); |
| 360 | |
| 361 | for (reg = SOC15_REG_OFFSET(GC, 0, mmCP_MQD_BASE_ADDR); |
| 362 | reg <= SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_HI); reg++) |
| 363 | DUMP_REG(reg); |
| 364 | |
| 365 | release_queue(adev); |
| 366 | |
| 367 | WARN_ON_ONCE(i != HQD_N_REGS); |
| 368 | *n_regs = i; |
| 369 | |
| 370 | return 0; |
| 371 | } |
| 372 | |
| 373 | static int kgd_hqd_sdma_load(struct amdgpu_device *adev, void *mqd, |
| 374 | uint32_t __user *wptr, struct mm_struct *mm) |
| 375 | { |
| 376 | struct v10_sdma_mqd *m; |
| 377 | uint32_t sdma_rlc_reg_offset; |
| 378 | unsigned long end_jiffies; |
| 379 | uint32_t data; |
| 380 | uint64_t data64; |
| 381 | uint64_t __user *wptr64 = (uint64_t __user *)wptr; |
| 382 | |
| 383 | m = get_sdma_mqd(mqd); |
| 384 | sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(adev, engine_id: m->sdma_engine_id, |
| 385 | queue_id: m->sdma_queue_id); |
| 386 | |
| 387 | WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, |
| 388 | m->sdmax_rlcx_rb_cntl & (~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK)); |
| 389 | |
| 390 | end_jiffies = msecs_to_jiffies(m: 2000) + jiffies; |
| 391 | while (true) { |
| 392 | data = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_CONTEXT_STATUS); |
| 393 | if (data & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK) |
| 394 | break; |
| 395 | if (time_after(jiffies, end_jiffies)) { |
| 396 | pr_err("SDMA RLC not idle in %s\n" , __func__); |
| 397 | return -ETIME; |
| 398 | } |
| 399 | usleep_range(min: 500, max: 1000); |
| 400 | } |
| 401 | |
| 402 | WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_DOORBELL_OFFSET, |
| 403 | m->sdmax_rlcx_doorbell_offset); |
| 404 | |
| 405 | data = REG_SET_FIELD(m->sdmax_rlcx_doorbell, SDMA0_RLC0_DOORBELL, |
| 406 | ENABLE, 1); |
| 407 | WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_DOORBELL, data); |
| 408 | WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR, |
| 409 | m->sdmax_rlcx_rb_rptr); |
| 410 | WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_HI, |
| 411 | m->sdmax_rlcx_rb_rptr_hi); |
| 412 | |
| 413 | WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_MINOR_PTR_UPDATE, 1); |
| 414 | if (read_user_wptr(mm, wptr64, data64)) { |
| 415 | WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR, |
| 416 | lower_32_bits(data64)); |
| 417 | WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR_HI, |
| 418 | upper_32_bits(data64)); |
| 419 | } else { |
| 420 | WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR, |
| 421 | m->sdmax_rlcx_rb_rptr); |
| 422 | WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR_HI, |
| 423 | m->sdmax_rlcx_rb_rptr_hi); |
| 424 | } |
| 425 | WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_MINOR_PTR_UPDATE, 0); |
| 426 | |
| 427 | WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_BASE, m->sdmax_rlcx_rb_base); |
| 428 | WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_BASE_HI, |
| 429 | m->sdmax_rlcx_rb_base_hi); |
| 430 | WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_ADDR_LO, |
| 431 | m->sdmax_rlcx_rb_rptr_addr_lo); |
| 432 | WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_ADDR_HI, |
| 433 | m->sdmax_rlcx_rb_rptr_addr_hi); |
| 434 | |
| 435 | data = REG_SET_FIELD(m->sdmax_rlcx_rb_cntl, SDMA0_RLC0_RB_CNTL, |
| 436 | RB_ENABLE, 1); |
| 437 | WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, data); |
| 438 | |
| 439 | return 0; |
| 440 | } |
| 441 | |
| 442 | static int kgd_hqd_sdma_dump(struct amdgpu_device *adev, |
| 443 | uint32_t engine_id, uint32_t queue_id, |
| 444 | uint32_t (**dump)[2], uint32_t *n_regs) |
| 445 | { |
| 446 | uint32_t sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(adev, |
| 447 | engine_id, queue_id); |
| 448 | uint32_t i = 0, reg; |
| 449 | #undef HQD_N_REGS |
| 450 | #define HQD_N_REGS (19+6+7+10) |
| 451 | |
| 452 | *dump = kmalloc_array(HQD_N_REGS, sizeof(**dump), GFP_KERNEL); |
| 453 | if (*dump == NULL) |
| 454 | return -ENOMEM; |
| 455 | |
| 456 | for (reg = mmSDMA0_RLC0_RB_CNTL; reg <= mmSDMA0_RLC0_DOORBELL; reg++) |
| 457 | DUMP_REG(sdma_rlc_reg_offset + reg); |
| 458 | for (reg = mmSDMA0_RLC0_STATUS; reg <= mmSDMA0_RLC0_CSA_ADDR_HI; reg++) |
| 459 | DUMP_REG(sdma_rlc_reg_offset + reg); |
| 460 | for (reg = mmSDMA0_RLC0_IB_SUB_REMAIN; |
| 461 | reg <= mmSDMA0_RLC0_MINOR_PTR_UPDATE; reg++) |
| 462 | DUMP_REG(sdma_rlc_reg_offset + reg); |
| 463 | for (reg = mmSDMA0_RLC0_MIDCMD_DATA0; |
| 464 | reg <= mmSDMA0_RLC0_MIDCMD_CNTL; reg++) |
| 465 | DUMP_REG(sdma_rlc_reg_offset + reg); |
| 466 | |
| 467 | WARN_ON_ONCE(i != HQD_N_REGS); |
| 468 | *n_regs = i; |
| 469 | |
| 470 | return 0; |
| 471 | } |
| 472 | |
| 473 | static bool kgd_hqd_is_occupied(struct amdgpu_device *adev, |
| 474 | uint64_t queue_address, uint32_t pipe_id, |
| 475 | uint32_t queue_id, uint32_t inst) |
| 476 | { |
| 477 | uint32_t act; |
| 478 | bool retval = false; |
| 479 | uint32_t low, high; |
| 480 | |
| 481 | acquire_queue(adev, pipe_id, queue_id); |
| 482 | act = RREG32_SOC15(GC, 0, mmCP_HQD_ACTIVE); |
| 483 | if (act) { |
| 484 | low = lower_32_bits(queue_address >> 8); |
| 485 | high = upper_32_bits(queue_address >> 8); |
| 486 | |
| 487 | if (low == RREG32_SOC15(GC, 0, mmCP_HQD_PQ_BASE) && |
| 488 | high == RREG32_SOC15(GC, 0, mmCP_HQD_PQ_BASE_HI)) |
| 489 | retval = true; |
| 490 | } |
| 491 | release_queue(adev); |
| 492 | return retval; |
| 493 | } |
| 494 | |
| 495 | static bool kgd_hqd_sdma_is_occupied(struct amdgpu_device *adev, void *mqd) |
| 496 | { |
| 497 | struct v10_sdma_mqd *m; |
| 498 | uint32_t sdma_rlc_reg_offset; |
| 499 | uint32_t sdma_rlc_rb_cntl; |
| 500 | |
| 501 | m = get_sdma_mqd(mqd); |
| 502 | sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(adev, engine_id: m->sdma_engine_id, |
| 503 | queue_id: m->sdma_queue_id); |
| 504 | |
| 505 | sdma_rlc_rb_cntl = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL); |
| 506 | |
| 507 | if (sdma_rlc_rb_cntl & SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK) |
| 508 | return true; |
| 509 | |
| 510 | return false; |
| 511 | } |
| 512 | |
| 513 | static int kgd_hqd_destroy(struct amdgpu_device *adev, void *mqd, |
| 514 | enum kfd_preempt_type reset_type, |
| 515 | unsigned int utimeout, uint32_t pipe_id, |
| 516 | uint32_t queue_id, uint32_t inst) |
| 517 | { |
| 518 | enum hqd_dequeue_request_type type; |
| 519 | unsigned long end_jiffies; |
| 520 | uint32_t temp; |
| 521 | struct v10_compute_mqd *m = get_mqd(mqd); |
| 522 | |
| 523 | if (amdgpu_in_reset(adev)) |
| 524 | return -EIO; |
| 525 | |
| 526 | #if 0 |
| 527 | unsigned long flags; |
| 528 | int retry; |
| 529 | #endif |
| 530 | |
| 531 | acquire_queue(adev, pipe_id, queue_id); |
| 532 | |
| 533 | if (m->cp_hqd_vmid == 0) |
| 534 | WREG32_FIELD15(GC, 0, RLC_CP_SCHEDULERS, scheduler1, 0); |
| 535 | |
| 536 | switch (reset_type) { |
| 537 | case KFD_PREEMPT_TYPE_WAVEFRONT_DRAIN: |
| 538 | type = DRAIN_PIPE; |
| 539 | break; |
| 540 | case KFD_PREEMPT_TYPE_WAVEFRONT_RESET: |
| 541 | type = RESET_WAVES; |
| 542 | break; |
| 543 | case KFD_PREEMPT_TYPE_WAVEFRONT_SAVE: |
| 544 | type = SAVE_WAVES; |
| 545 | break; |
| 546 | default: |
| 547 | type = DRAIN_PIPE; |
| 548 | break; |
| 549 | } |
| 550 | |
| 551 | #if 0 /* Is this still needed? */ |
| 552 | /* Workaround: If IQ timer is active and the wait time is close to or |
| 553 | * equal to 0, dequeueing is not safe. Wait until either the wait time |
| 554 | * is larger or timer is cleared. Also, ensure that IQ_REQ_PEND is |
| 555 | * cleared before continuing. Also, ensure wait times are set to at |
| 556 | * least 0x3. |
| 557 | */ |
| 558 | local_irq_save(flags); |
| 559 | preempt_disable(); |
| 560 | retry = 5000; /* wait for 500 usecs at maximum */ |
| 561 | while (true) { |
| 562 | temp = RREG32(mmCP_HQD_IQ_TIMER); |
| 563 | if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, PROCESSING_IQ)) { |
| 564 | pr_debug("HW is processing IQ\n" ); |
| 565 | goto loop; |
| 566 | } |
| 567 | if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, ACTIVE)) { |
| 568 | if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, RETRY_TYPE) |
| 569 | == 3) /* SEM-rearm is safe */ |
| 570 | break; |
| 571 | /* Wait time 3 is safe for CP, but our MMIO read/write |
| 572 | * time is close to 1 microsecond, so check for 10 to |
| 573 | * leave more buffer room |
| 574 | */ |
| 575 | if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, WAIT_TIME) |
| 576 | >= 10) |
| 577 | break; |
| 578 | pr_debug("IQ timer is active\n" ); |
| 579 | } else |
| 580 | break; |
| 581 | loop: |
| 582 | if (!retry) { |
| 583 | pr_err("CP HQD IQ timer status time out\n" ); |
| 584 | break; |
| 585 | } |
| 586 | ndelay(100); |
| 587 | --retry; |
| 588 | } |
| 589 | retry = 1000; |
| 590 | while (true) { |
| 591 | temp = RREG32(mmCP_HQD_DEQUEUE_REQUEST); |
| 592 | if (!(temp & CP_HQD_DEQUEUE_REQUEST__IQ_REQ_PEND_MASK)) |
| 593 | break; |
| 594 | pr_debug("Dequeue request is pending\n" ); |
| 595 | |
| 596 | if (!retry) { |
| 597 | pr_err("CP HQD dequeue request time out\n" ); |
| 598 | break; |
| 599 | } |
| 600 | ndelay(100); |
| 601 | --retry; |
| 602 | } |
| 603 | local_irq_restore(flags); |
| 604 | preempt_enable(); |
| 605 | #endif |
| 606 | |
| 607 | WREG32_SOC15(GC, 0, mmCP_HQD_DEQUEUE_REQUEST, type); |
| 608 | |
| 609 | end_jiffies = (utimeout * HZ / 1000) + jiffies; |
| 610 | while (true) { |
| 611 | temp = RREG32_SOC15(GC, 0, mmCP_HQD_ACTIVE); |
| 612 | if (!(temp & CP_HQD_ACTIVE__ACTIVE_MASK)) |
| 613 | break; |
| 614 | if (time_after(jiffies, end_jiffies)) { |
| 615 | pr_err("cp queue preemption time out.\n" ); |
| 616 | release_queue(adev); |
| 617 | return -ETIME; |
| 618 | } |
| 619 | usleep_range(min: 500, max: 1000); |
| 620 | } |
| 621 | |
| 622 | release_queue(adev); |
| 623 | return 0; |
| 624 | } |
| 625 | |
| 626 | static int kgd_hqd_sdma_destroy(struct amdgpu_device *adev, void *mqd, |
| 627 | unsigned int utimeout) |
| 628 | { |
| 629 | struct v10_sdma_mqd *m; |
| 630 | uint32_t sdma_rlc_reg_offset; |
| 631 | uint32_t temp; |
| 632 | unsigned long end_jiffies = (utimeout * HZ / 1000) + jiffies; |
| 633 | |
| 634 | m = get_sdma_mqd(mqd); |
| 635 | sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(adev, engine_id: m->sdma_engine_id, |
| 636 | queue_id: m->sdma_queue_id); |
| 637 | |
| 638 | temp = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL); |
| 639 | temp = temp & ~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK; |
| 640 | WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, temp); |
| 641 | |
| 642 | while (true) { |
| 643 | temp = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_CONTEXT_STATUS); |
| 644 | if (temp & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK) |
| 645 | break; |
| 646 | if (time_after(jiffies, end_jiffies)) { |
| 647 | pr_err("SDMA RLC not idle in %s\n" , __func__); |
| 648 | return -ETIME; |
| 649 | } |
| 650 | usleep_range(min: 500, max: 1000); |
| 651 | } |
| 652 | |
| 653 | WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_DOORBELL, 0); |
| 654 | WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, |
| 655 | RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL) | |
| 656 | SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK); |
| 657 | |
| 658 | m->sdmax_rlcx_rb_rptr = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR); |
| 659 | m->sdmax_rlcx_rb_rptr_hi = |
| 660 | RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_HI); |
| 661 | |
| 662 | return 0; |
| 663 | } |
| 664 | |
| 665 | static bool get_atc_vmid_pasid_mapping_info(struct amdgpu_device *adev, |
| 666 | uint8_t vmid, uint16_t *p_pasid) |
| 667 | { |
| 668 | uint32_t value; |
| 669 | |
| 670 | value = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING) |
| 671 | + vmid); |
| 672 | *p_pasid = value & ATC_VMID0_PASID_MAPPING__PASID_MASK; |
| 673 | |
| 674 | return !!(value & ATC_VMID0_PASID_MAPPING__VALID_MASK); |
| 675 | } |
| 676 | |
| 677 | static int kgd_wave_control_execute(struct amdgpu_device *adev, |
| 678 | uint32_t gfx_index_val, |
| 679 | uint32_t sq_cmd, uint32_t inst) |
| 680 | { |
| 681 | uint32_t data = 0; |
| 682 | |
| 683 | mutex_lock(&adev->grbm_idx_mutex); |
| 684 | |
| 685 | WREG32_SOC15(GC, 0, mmGRBM_GFX_INDEX, gfx_index_val); |
| 686 | WREG32_SOC15(GC, 0, mmSQ_CMD, sq_cmd); |
| 687 | |
| 688 | data = REG_SET_FIELD(data, GRBM_GFX_INDEX, |
| 689 | INSTANCE_BROADCAST_WRITES, 1); |
| 690 | data = REG_SET_FIELD(data, GRBM_GFX_INDEX, |
| 691 | SA_BROADCAST_WRITES, 1); |
| 692 | data = REG_SET_FIELD(data, GRBM_GFX_INDEX, |
| 693 | SE_BROADCAST_WRITES, 1); |
| 694 | |
| 695 | WREG32_SOC15(GC, 0, mmGRBM_GFX_INDEX, data); |
| 696 | mutex_unlock(lock: &adev->grbm_idx_mutex); |
| 697 | |
| 698 | return 0; |
| 699 | } |
| 700 | |
| 701 | static void set_vm_context_page_table_base(struct amdgpu_device *adev, |
| 702 | uint32_t vmid, uint64_t page_table_base) |
| 703 | { |
| 704 | if (!amdgpu_amdkfd_is_kfd_vmid(adev, vmid)) { |
| 705 | pr_err("trying to set page table base for wrong VMID %u\n" , |
| 706 | vmid); |
| 707 | return; |
| 708 | } |
| 709 | |
| 710 | /* SDMA is on gfxhub as well for Navi1* series */ |
| 711 | adev->gfxhub.funcs->setup_vm_pt_regs(adev, vmid, page_table_base); |
| 712 | } |
| 713 | |
| 714 | /* |
| 715 | * GFX10 helper for wave launch stall requirements on debug trap setting. |
| 716 | * |
| 717 | * vmid: |
| 718 | * Target VMID to stall/unstall. |
| 719 | * |
| 720 | * stall: |
| 721 | * 0-unstall wave launch (enable), 1-stall wave launch (disable). |
| 722 | * After wavefront launch has been stalled, allocated waves must drain from |
| 723 | * SPI in order for debug trap settings to take effect on those waves. |
| 724 | * This is roughly a ~3500 clock cycle wait on SPI where a read on |
| 725 | * SPI_GDBG_WAVE_CNTL translates to ~32 clock cycles. |
| 726 | * KGD_GFX_V10_WAVE_LAUNCH_SPI_DRAIN_LATENCY indicates the number of reads required. |
| 727 | * |
| 728 | * NOTE: We can afford to clear the entire STALL_VMID field on unstall |
| 729 | * because current GFX10 chips cannot support multi-process debugging due to |
| 730 | * trap configuration and masking being limited to global scope. Always |
| 731 | * assume single process conditions. |
| 732 | * |
| 733 | */ |
| 734 | |
| 735 | #define KGD_GFX_V10_WAVE_LAUNCH_SPI_DRAIN_LATENCY 110 |
| 736 | static void kgd_gfx_v10_set_wave_launch_stall(struct amdgpu_device *adev, uint32_t vmid, bool stall) |
| 737 | { |
| 738 | uint32_t data = RREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_GDBG_WAVE_CNTL)); |
| 739 | int i; |
| 740 | |
| 741 | data = REG_SET_FIELD(data, SPI_GDBG_WAVE_CNTL, STALL_VMID, |
| 742 | stall ? 1 << vmid : 0); |
| 743 | |
| 744 | WREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_GDBG_WAVE_CNTL), data); |
| 745 | |
| 746 | if (!stall) |
| 747 | return; |
| 748 | |
| 749 | for (i = 0; i < KGD_GFX_V10_WAVE_LAUNCH_SPI_DRAIN_LATENCY; i++) |
| 750 | RREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_GDBG_WAVE_CNTL)); |
| 751 | } |
| 752 | |
| 753 | uint32_t kgd_gfx_v10_enable_debug_trap(struct amdgpu_device *adev, |
| 754 | bool restore_dbg_registers, |
| 755 | uint32_t vmid) |
| 756 | { |
| 757 | |
| 758 | mutex_lock(&adev->grbm_idx_mutex); |
| 759 | |
| 760 | kgd_gfx_v10_set_wave_launch_stall(adev, vmid, stall: true); |
| 761 | |
| 762 | /* assume gfx off is disabled for the debug session if rlc restore not supported. */ |
| 763 | if (restore_dbg_registers) { |
| 764 | uint32_t data = 0; |
| 765 | |
| 766 | data = REG_SET_FIELD(data, SPI_GDBG_TRAP_CONFIG, |
| 767 | VMID_SEL, 1 << vmid); |
| 768 | data = REG_SET_FIELD(data, SPI_GDBG_TRAP_CONFIG, |
| 769 | TRAP_EN, 1); |
| 770 | WREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_GDBG_TRAP_CONFIG), data); |
| 771 | WREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_GDBG_TRAP_DATA0), 0); |
| 772 | WREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_GDBG_TRAP_DATA1), 0); |
| 773 | |
| 774 | kgd_gfx_v10_set_wave_launch_stall(adev, vmid, stall: false); |
| 775 | |
| 776 | mutex_unlock(lock: &adev->grbm_idx_mutex); |
| 777 | |
| 778 | return 0; |
| 779 | } |
| 780 | |
| 781 | WREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_GDBG_TRAP_MASK), 0); |
| 782 | |
| 783 | kgd_gfx_v10_set_wave_launch_stall(adev, vmid, stall: false); |
| 784 | |
| 785 | mutex_unlock(lock: &adev->grbm_idx_mutex); |
| 786 | |
| 787 | return 0; |
| 788 | } |
| 789 | |
| 790 | uint32_t kgd_gfx_v10_disable_debug_trap(struct amdgpu_device *adev, |
| 791 | bool keep_trap_enabled, |
| 792 | uint32_t vmid) |
| 793 | { |
| 794 | mutex_lock(&adev->grbm_idx_mutex); |
| 795 | |
| 796 | kgd_gfx_v10_set_wave_launch_stall(adev, vmid, stall: true); |
| 797 | |
| 798 | WREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_GDBG_TRAP_MASK), 0); |
| 799 | |
| 800 | kgd_gfx_v10_set_wave_launch_stall(adev, vmid, stall: false); |
| 801 | |
| 802 | mutex_unlock(lock: &adev->grbm_idx_mutex); |
| 803 | |
| 804 | return 0; |
| 805 | } |
| 806 | |
| 807 | int kgd_gfx_v10_validate_trap_override_request(struct amdgpu_device *adev, |
| 808 | uint32_t trap_override, |
| 809 | uint32_t *trap_mask_supported) |
| 810 | { |
| 811 | *trap_mask_supported &= KFD_DBG_TRAP_MASK_DBG_ADDRESS_WATCH; |
| 812 | |
| 813 | /* The SPI_GDBG_TRAP_MASK register is global and affects all |
| 814 | * processes. Only allow OR-ing the address-watch bit, since |
| 815 | * this only affects processes under the debugger. Other bits |
| 816 | * should stay 0 to avoid the debugger interfering with other |
| 817 | * processes. |
| 818 | */ |
| 819 | if (trap_override != KFD_DBG_TRAP_OVERRIDE_OR) |
| 820 | return -EINVAL; |
| 821 | |
| 822 | return 0; |
| 823 | } |
| 824 | |
| 825 | uint32_t kgd_gfx_v10_set_wave_launch_trap_override(struct amdgpu_device *adev, |
| 826 | uint32_t vmid, |
| 827 | uint32_t trap_override, |
| 828 | uint32_t trap_mask_bits, |
| 829 | uint32_t trap_mask_request, |
| 830 | uint32_t *trap_mask_prev, |
| 831 | uint32_t kfd_dbg_trap_cntl_prev) |
| 832 | { |
| 833 | uint32_t data, wave_cntl_prev; |
| 834 | |
| 835 | mutex_lock(&adev->grbm_idx_mutex); |
| 836 | |
| 837 | wave_cntl_prev = RREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_GDBG_WAVE_CNTL)); |
| 838 | |
| 839 | kgd_gfx_v10_set_wave_launch_stall(adev, vmid, stall: true); |
| 840 | |
| 841 | data = RREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_GDBG_TRAP_MASK)); |
| 842 | *trap_mask_prev = REG_GET_FIELD(data, SPI_GDBG_TRAP_MASK, EXCP_EN); |
| 843 | |
| 844 | trap_mask_bits = (trap_mask_bits & trap_mask_request) | |
| 845 | (*trap_mask_prev & ~trap_mask_request); |
| 846 | |
| 847 | data = REG_SET_FIELD(data, SPI_GDBG_TRAP_MASK, EXCP_EN, trap_mask_bits); |
| 848 | data = REG_SET_FIELD(data, SPI_GDBG_TRAP_MASK, REPLACE, trap_override); |
| 849 | WREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_GDBG_TRAP_MASK), data); |
| 850 | |
| 851 | /* We need to preserve wave launch mode stall settings. */ |
| 852 | WREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_GDBG_WAVE_CNTL), wave_cntl_prev); |
| 853 | |
| 854 | mutex_unlock(lock: &adev->grbm_idx_mutex); |
| 855 | |
| 856 | return 0; |
| 857 | } |
| 858 | |
| 859 | uint32_t kgd_gfx_v10_set_wave_launch_mode(struct amdgpu_device *adev, |
| 860 | uint8_t wave_launch_mode, |
| 861 | uint32_t vmid) |
| 862 | { |
| 863 | uint32_t data = 0; |
| 864 | bool is_mode_set = !!wave_launch_mode; |
| 865 | |
| 866 | mutex_lock(&adev->grbm_idx_mutex); |
| 867 | |
| 868 | kgd_gfx_v10_set_wave_launch_stall(adev, vmid, stall: true); |
| 869 | |
| 870 | data = REG_SET_FIELD(data, SPI_GDBG_WAVE_CNTL2, |
| 871 | VMID_MASK, is_mode_set ? 1 << vmid : 0); |
| 872 | data = REG_SET_FIELD(data, SPI_GDBG_WAVE_CNTL2, |
| 873 | MODE, is_mode_set ? wave_launch_mode : 0); |
| 874 | WREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_GDBG_WAVE_CNTL2), data); |
| 875 | |
| 876 | kgd_gfx_v10_set_wave_launch_stall(adev, vmid, stall: false); |
| 877 | |
| 878 | mutex_unlock(lock: &adev->grbm_idx_mutex); |
| 879 | |
| 880 | return 0; |
| 881 | } |
| 882 | |
| 883 | #define TCP_WATCH_STRIDE (mmTCP_WATCH1_ADDR_H - mmTCP_WATCH0_ADDR_H) |
| 884 | #define SQ_WATCH_STRIDE (mmSQ_WATCH1_ADDR_H - mmSQ_WATCH0_ADDR_H) |
| 885 | uint32_t kgd_gfx_v10_set_address_watch(struct amdgpu_device *adev, |
| 886 | uint64_t watch_address, |
| 887 | uint32_t watch_address_mask, |
| 888 | uint32_t watch_id, |
| 889 | uint32_t watch_mode, |
| 890 | uint32_t debug_vmid, |
| 891 | uint32_t inst) |
| 892 | { |
| 893 | /* SQ_WATCH?_ADDR_* and TCP_WATCH?_ADDR_* are programmed with the |
| 894 | * same values. |
| 895 | */ |
| 896 | uint32_t watch_address_high; |
| 897 | uint32_t watch_address_low; |
| 898 | uint32_t tcp_watch_address_cntl; |
| 899 | uint32_t sq_watch_address_cntl; |
| 900 | |
| 901 | watch_address_low = lower_32_bits(watch_address); |
| 902 | watch_address_high = upper_32_bits(watch_address) & 0xffff; |
| 903 | |
| 904 | tcp_watch_address_cntl = 0; |
| 905 | tcp_watch_address_cntl = REG_SET_FIELD(tcp_watch_address_cntl, |
| 906 | TCP_WATCH0_CNTL, |
| 907 | VMID, |
| 908 | debug_vmid); |
| 909 | tcp_watch_address_cntl = REG_SET_FIELD(tcp_watch_address_cntl, |
| 910 | TCP_WATCH0_CNTL, |
| 911 | MODE, |
| 912 | watch_mode); |
| 913 | tcp_watch_address_cntl = REG_SET_FIELD(tcp_watch_address_cntl, |
| 914 | TCP_WATCH0_CNTL, |
| 915 | MASK, |
| 916 | watch_address_mask >> 7); |
| 917 | |
| 918 | sq_watch_address_cntl = 0; |
| 919 | sq_watch_address_cntl = REG_SET_FIELD(sq_watch_address_cntl, |
| 920 | SQ_WATCH0_CNTL, |
| 921 | VMID, |
| 922 | debug_vmid); |
| 923 | sq_watch_address_cntl = REG_SET_FIELD(sq_watch_address_cntl, |
| 924 | SQ_WATCH0_CNTL, |
| 925 | MODE, |
| 926 | watch_mode); |
| 927 | sq_watch_address_cntl = REG_SET_FIELD(sq_watch_address_cntl, |
| 928 | SQ_WATCH0_CNTL, |
| 929 | MASK, |
| 930 | watch_address_mask >> 6); |
| 931 | |
| 932 | /* Turning off this watch point until we set all the registers */ |
| 933 | tcp_watch_address_cntl = REG_SET_FIELD(tcp_watch_address_cntl, |
| 934 | TCP_WATCH0_CNTL, |
| 935 | VALID, |
| 936 | 0); |
| 937 | WREG32((SOC15_REG_OFFSET(GC, 0, mmTCP_WATCH0_CNTL) + |
| 938 | (watch_id * TCP_WATCH_STRIDE)), |
| 939 | tcp_watch_address_cntl); |
| 940 | |
| 941 | sq_watch_address_cntl = REG_SET_FIELD(sq_watch_address_cntl, |
| 942 | SQ_WATCH0_CNTL, |
| 943 | VALID, |
| 944 | 0); |
| 945 | WREG32((SOC15_REG_OFFSET(GC, 0, mmSQ_WATCH0_CNTL) + |
| 946 | (watch_id * SQ_WATCH_STRIDE)), |
| 947 | sq_watch_address_cntl); |
| 948 | |
| 949 | /* Program {TCP,SQ}_WATCH?_ADDR* */ |
| 950 | WREG32((SOC15_REG_OFFSET(GC, 0, mmTCP_WATCH0_ADDR_H) + |
| 951 | (watch_id * TCP_WATCH_STRIDE)), |
| 952 | watch_address_high); |
| 953 | WREG32((SOC15_REG_OFFSET(GC, 0, mmTCP_WATCH0_ADDR_L) + |
| 954 | (watch_id * TCP_WATCH_STRIDE)), |
| 955 | watch_address_low); |
| 956 | |
| 957 | WREG32((SOC15_REG_OFFSET(GC, 0, mmSQ_WATCH0_ADDR_H) + |
| 958 | (watch_id * SQ_WATCH_STRIDE)), |
| 959 | watch_address_high); |
| 960 | WREG32((SOC15_REG_OFFSET(GC, 0, mmSQ_WATCH0_ADDR_L) + |
| 961 | (watch_id * SQ_WATCH_STRIDE)), |
| 962 | watch_address_low); |
| 963 | |
| 964 | /* Enable the watch point */ |
| 965 | tcp_watch_address_cntl = REG_SET_FIELD(tcp_watch_address_cntl, |
| 966 | TCP_WATCH0_CNTL, |
| 967 | VALID, |
| 968 | 1); |
| 969 | WREG32((SOC15_REG_OFFSET(GC, 0, mmTCP_WATCH0_CNTL) + |
| 970 | (watch_id * TCP_WATCH_STRIDE)), |
| 971 | tcp_watch_address_cntl); |
| 972 | |
| 973 | sq_watch_address_cntl = REG_SET_FIELD(sq_watch_address_cntl, |
| 974 | SQ_WATCH0_CNTL, |
| 975 | VALID, |
| 976 | 1); |
| 977 | WREG32((SOC15_REG_OFFSET(GC, 0, mmSQ_WATCH0_CNTL) + |
| 978 | (watch_id * SQ_WATCH_STRIDE)), |
| 979 | sq_watch_address_cntl); |
| 980 | |
| 981 | return 0; |
| 982 | } |
| 983 | |
| 984 | uint32_t kgd_gfx_v10_clear_address_watch(struct amdgpu_device *adev, |
| 985 | uint32_t watch_id) |
| 986 | { |
| 987 | uint32_t watch_address_cntl; |
| 988 | |
| 989 | watch_address_cntl = 0; |
| 990 | |
| 991 | WREG32((SOC15_REG_OFFSET(GC, 0, mmTCP_WATCH0_CNTL) + |
| 992 | (watch_id * TCP_WATCH_STRIDE)), |
| 993 | watch_address_cntl); |
| 994 | |
| 995 | WREG32((SOC15_REG_OFFSET(GC, 0, mmSQ_WATCH0_CNTL) + |
| 996 | (watch_id * SQ_WATCH_STRIDE)), |
| 997 | watch_address_cntl); |
| 998 | |
| 999 | return 0; |
| 1000 | } |
| 1001 | #undef TCP_WATCH_STRIDE |
| 1002 | #undef SQ_WATCH_STRIDE |
| 1003 | |
| 1004 | |
| 1005 | /* kgd_gfx_v10_get_iq_wait_times: Returns the mmCP_IQ_WAIT_TIME1/2 values |
| 1006 | * The values read are: |
| 1007 | * ib_offload_wait_time -- Wait Count for Indirect Buffer Offloads. |
| 1008 | * atomic_offload_wait_time -- Wait Count for L2 and GDS Atomics Offloads. |
| 1009 | * wrm_offload_wait_time -- Wait Count for WAIT_REG_MEM Offloads. |
| 1010 | * gws_wait_time -- Wait Count for Global Wave Syncs. |
| 1011 | * que_sleep_wait_time -- Wait Count for Dequeue Retry. |
| 1012 | * sch_wave_wait_time -- Wait Count for Scheduling Wave Message. |
| 1013 | * sem_rearm_wait_time -- Wait Count for Semaphore re-arm. |
| 1014 | * deq_retry_wait_time -- Wait Count for Global Wave Syncs. |
| 1015 | */ |
| 1016 | void kgd_gfx_v10_get_iq_wait_times(struct amdgpu_device *adev, |
| 1017 | uint32_t *wait_times, |
| 1018 | uint32_t inst) |
| 1019 | |
| 1020 | { |
| 1021 | *wait_times = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_IQ_WAIT_TIME2)); |
| 1022 | } |
| 1023 | |
| 1024 | void kgd_gfx_v10_build_dequeue_wait_counts_packet_info(struct amdgpu_device *adev, |
| 1025 | uint32_t wait_times, |
| 1026 | uint32_t sch_wave, |
| 1027 | uint32_t que_sleep, |
| 1028 | uint32_t *reg_offset, |
| 1029 | uint32_t *reg_data) |
| 1030 | { |
| 1031 | *reg_data = wait_times; |
| 1032 | |
| 1033 | if (sch_wave) |
| 1034 | *reg_data = REG_SET_FIELD(*reg_data, |
| 1035 | CP_IQ_WAIT_TIME2, |
| 1036 | SCH_WAVE, |
| 1037 | sch_wave); |
| 1038 | if (que_sleep) |
| 1039 | *reg_data = REG_SET_FIELD(*reg_data, |
| 1040 | CP_IQ_WAIT_TIME2, |
| 1041 | QUE_SLEEP, |
| 1042 | que_sleep); |
| 1043 | |
| 1044 | *reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_IQ_WAIT_TIME2); |
| 1045 | } |
| 1046 | |
| 1047 | static void program_trap_handler_settings(struct amdgpu_device *adev, |
| 1048 | uint32_t vmid, uint64_t tba_addr, uint64_t tma_addr, |
| 1049 | uint32_t inst) |
| 1050 | { |
| 1051 | lock_srbm(adev, mec: 0, pipe: 0, queue: 0, vmid); |
| 1052 | |
| 1053 | /* |
| 1054 | * Program TBA registers |
| 1055 | */ |
| 1056 | WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_SHADER_TBA_LO), |
| 1057 | lower_32_bits(tba_addr >> 8)); |
| 1058 | WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_SHADER_TBA_HI), |
| 1059 | upper_32_bits(tba_addr >> 8) | |
| 1060 | (1 << SQ_SHADER_TBA_HI__TRAP_EN__SHIFT)); |
| 1061 | |
| 1062 | /* |
| 1063 | * Program TMA registers |
| 1064 | */ |
| 1065 | WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_SHADER_TMA_LO), |
| 1066 | lower_32_bits(tma_addr >> 8)); |
| 1067 | WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_SHADER_TMA_HI), |
| 1068 | upper_32_bits(tma_addr >> 8)); |
| 1069 | |
| 1070 | unlock_srbm(adev); |
| 1071 | } |
| 1072 | |
| 1073 | uint64_t kgd_gfx_v10_hqd_get_pq_addr(struct amdgpu_device *adev, |
| 1074 | uint32_t pipe_id, uint32_t queue_id, |
| 1075 | uint32_t inst) |
| 1076 | { |
| 1077 | return 0; |
| 1078 | } |
| 1079 | |
| 1080 | uint64_t kgd_gfx_v10_hqd_reset(struct amdgpu_device *adev, |
| 1081 | uint32_t pipe_id, uint32_t queue_id, |
| 1082 | uint32_t inst, unsigned int utimeout) |
| 1083 | { |
| 1084 | return 0; |
| 1085 | } |
| 1086 | |
| 1087 | uint32_t kgd_gfx_v10_hqd_sdma_get_doorbell(struct amdgpu_device *adev, |
| 1088 | int engine, int queue) |
| 1089 | { |
| 1090 | return 0; |
| 1091 | } |
| 1092 | |
| 1093 | const struct kfd2kgd_calls gfx_v10_kfd2kgd = { |
| 1094 | .program_sh_mem_settings = kgd_program_sh_mem_settings, |
| 1095 | .set_pasid_vmid_mapping = kgd_set_pasid_vmid_mapping, |
| 1096 | .init_interrupts = kgd_init_interrupts, |
| 1097 | .hqd_load = kgd_hqd_load, |
| 1098 | .hiq_mqd_load = kgd_hiq_mqd_load, |
| 1099 | .hqd_sdma_load = kgd_hqd_sdma_load, |
| 1100 | .hqd_dump = kgd_hqd_dump, |
| 1101 | .hqd_sdma_dump = kgd_hqd_sdma_dump, |
| 1102 | .hqd_is_occupied = kgd_hqd_is_occupied, |
| 1103 | .hqd_sdma_is_occupied = kgd_hqd_sdma_is_occupied, |
| 1104 | .hqd_destroy = kgd_hqd_destroy, |
| 1105 | .hqd_sdma_destroy = kgd_hqd_sdma_destroy, |
| 1106 | .wave_control_execute = kgd_wave_control_execute, |
| 1107 | .get_atc_vmid_pasid_mapping_info = |
| 1108 | get_atc_vmid_pasid_mapping_info, |
| 1109 | .set_vm_context_page_table_base = set_vm_context_page_table_base, |
| 1110 | .enable_debug_trap = kgd_gfx_v10_enable_debug_trap, |
| 1111 | .disable_debug_trap = kgd_gfx_v10_disable_debug_trap, |
| 1112 | .validate_trap_override_request = kgd_gfx_v10_validate_trap_override_request, |
| 1113 | .set_wave_launch_trap_override = kgd_gfx_v10_set_wave_launch_trap_override, |
| 1114 | .set_wave_launch_mode = kgd_gfx_v10_set_wave_launch_mode, |
| 1115 | .set_address_watch = kgd_gfx_v10_set_address_watch, |
| 1116 | .clear_address_watch = kgd_gfx_v10_clear_address_watch, |
| 1117 | .get_iq_wait_times = kgd_gfx_v10_get_iq_wait_times, |
| 1118 | .build_dequeue_wait_counts_packet_info = kgd_gfx_v10_build_dequeue_wait_counts_packet_info, |
| 1119 | .program_trap_handler_settings = program_trap_handler_settings, |
| 1120 | .hqd_get_pq_addr = kgd_gfx_v10_hqd_get_pq_addr, |
| 1121 | .hqd_reset = kgd_gfx_v10_hqd_reset, |
| 1122 | .hqd_sdma_get_doorbell = kgd_gfx_v10_hqd_sdma_get_doorbell |
| 1123 | }; |
| 1124 | |