drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c

   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 <linux/module.h>
  23 #include <linux/fdtable.h>
  24 #include <linux/uaccess.h>
  25 #include <linux/firmware.h>
  26 #include "amdgpu.h"
  27 #include "amdgpu_amdkfd.h"
  28 #include "amdgpu_amdkfd_arcturus.h"
  29 #include "sdma0/sdma0_4_2_2_offset.h"
  30 #include "sdma0/sdma0_4_2_2_sh_mask.h"
  31 #include "sdma1/sdma1_4_2_2_offset.h"
  32 #include "sdma1/sdma1_4_2_2_sh_mask.h"
  33 #include "sdma2/sdma2_4_2_2_offset.h"
  34 #include "sdma2/sdma2_4_2_2_sh_mask.h"
  35 #include "sdma3/sdma3_4_2_2_offset.h"
  36 #include "sdma3/sdma3_4_2_2_sh_mask.h"
  37 #include "sdma4/sdma4_4_2_2_offset.h"
  38 #include "sdma4/sdma4_4_2_2_sh_mask.h"
  39 #include "sdma5/sdma5_4_2_2_offset.h"
  40 #include "sdma5/sdma5_4_2_2_sh_mask.h"
  41 #include "sdma6/sdma6_4_2_2_offset.h"
  42 #include "sdma6/sdma6_4_2_2_sh_mask.h"
  43 #include "sdma7/sdma7_4_2_2_offset.h"
  44 #include "sdma7/sdma7_4_2_2_sh_mask.h"
  45 #include "v9_structs.h"
  46 #include "soc15.h"
  47 #include "soc15d.h"
  48 #include "amdgpu_amdkfd_gfx_v9.h"
  49 #include "gfxhub_v1_0.h"
  50 #include "mmhub_v9_4.h"
  51
  52 #define HQD_N_REGS 56
  53 #define DUMP_REG(addr) do {                             \
  54                 if (WARN_ON_ONCE(i >= HQD_N_REGS))      \
  55                         break;                          \
  56                 (*dump)[i][0] = (addr) << 2;            \
  57                 (*dump)[i++][1] = RREG32(addr);         \
  58         } while (0)
  59
  60 static inline struct amdgpu_device *get_amdgpu_device(struct kgd_dev *kgd)
  61 {
  62         return (struct amdgpu_device *)kgd;
  63 }
  64
  65 static inline struct v9_sdma_mqd *get_sdma_mqd(void *mqd)
  66 {
  67         return (struct v9_sdma_mqd *)mqd;
  68 }
  69
  70 static uint32_t get_sdma_rlc_reg_offset(struct amdgpu_device *adev,
  71                                 unsigned int engine_id,
  72                                 unsigned int queue_id)
  73 {
  74         uint32_t sdma_engine_reg_base = 0;
  75         uint32_t sdma_rlc_reg_offset;
  76
  77         switch (engine_id) {
  78         default:
  79                 dev_warn(adev->dev,
  80                          "Invalid sdma engine id (%d), using engine id 0\n",
  81                          engine_id);
  82                 fallthrough;
  83         case 0:
  84                 sdma_engine_reg_base = SOC15_REG_OFFSET(SDMA0, 0,
  85                                 mmSDMA0_RLC0_RB_CNTL) - mmSDMA0_RLC0_RB_CNTL;
  86                 break;
  87         case 1:
  88                 sdma_engine_reg_base = SOC15_REG_OFFSET(SDMA1, 0,
  89                                 mmSDMA1_RLC0_RB_CNTL) - mmSDMA1_RLC0_RB_CNTL;
  90                 break;
  91         case 2:
  92                 sdma_engine_reg_base = SOC15_REG_OFFSET(SDMA2, 0,
  93                                 mmSDMA2_RLC0_RB_CNTL) - mmSDMA2_RLC0_RB_CNTL;
  94                 break;
  95         case 3:
  96                 sdma_engine_reg_base = SOC15_REG_OFFSET(SDMA3, 0,
  97                                 mmSDMA3_RLC0_RB_CNTL) - mmSDMA3_RLC0_RB_CNTL;
  98                 break;
  99         case 4:
 100                 sdma_engine_reg_base = SOC15_REG_OFFSET(SDMA4, 0,
 101                                 mmSDMA4_RLC0_RB_CNTL) - mmSDMA4_RLC0_RB_CNTL;
 102                 break;
 103         case 5:
 104                 sdma_engine_reg_base = SOC15_REG_OFFSET(SDMA5, 0,
 105                                 mmSDMA5_RLC0_RB_CNTL) - mmSDMA5_RLC0_RB_CNTL;
 106                 break;
 107         case 6:
 108                 sdma_engine_reg_base = SOC15_REG_OFFSET(SDMA6, 0,
 109                                 mmSDMA6_RLC0_RB_CNTL) - mmSDMA6_RLC0_RB_CNTL;
 110                 break;
 111         case 7:
 112                 sdma_engine_reg_base = SOC15_REG_OFFSET(SDMA7, 0,
 113                                 mmSDMA7_RLC0_RB_CNTL) - mmSDMA7_RLC0_RB_CNTL;
 114                 break;
 115         }
 116
 117         sdma_rlc_reg_offset = sdma_engine_reg_base
 118                 + queue_id * (mmSDMA0_RLC1_RB_CNTL - mmSDMA0_RLC0_RB_CNTL);
 119
 120         pr_debug("RLC register offset for SDMA%d RLC%d: 0x%x\n", engine_id,
 121                         queue_id, sdma_rlc_reg_offset);
 122
 123         return sdma_rlc_reg_offset;
 124 }
 125
 126 int kgd_arcturus_hqd_sdma_load(struct kgd_dev *kgd, void *mqd,
 127                              uint32_t __user *wptr, struct mm_struct *mm)
 128 {
 129         struct amdgpu_device *adev = get_amdgpu_device(kgd);
 130         struct v9_sdma_mqd *m;
 131         uint32_t sdma_rlc_reg_offset;
 132         unsigned long end_jiffies;
 133         uint32_t data;
 134         uint64_t data64;
 135         uint64_t __user *wptr64 = (uint64_t __user *)wptr;
 136
 137         m = get_sdma_mqd(mqd);
 138         sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(adev, m->sdma_engine_id,
 139                                             m->sdma_queue_id);
 140
 141         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL,
 142                 m->sdmax_rlcx_rb_cntl & (~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK));
 143
 144         end_jiffies = msecs_to_jiffies(2000) + jiffies;
 145         while (true) {
 146                 data = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_CONTEXT_STATUS);
 147                 if (data & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK)
 148                         break;
 149                 if (time_after(jiffies, end_jiffies)) {
 150                         pr_err("SDMA RLC not idle in %s\n", __func__);
 151                         return -ETIME;
 152                 }
 153                 usleep_range(500, 1000);
 154         }
 155
 156         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_DOORBELL_OFFSET,
 157                m->sdmax_rlcx_doorbell_offset);
 158
 159         data = REG_SET_FIELD(m->sdmax_rlcx_doorbell, SDMA0_RLC0_DOORBELL,
 160                              ENABLE, 1);
 161         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_DOORBELL, data);
 162         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR,
 163                                 m->sdmax_rlcx_rb_rptr);
 164         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_HI,
 165                                 m->sdmax_rlcx_rb_rptr_hi);
 166
 167         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_MINOR_PTR_UPDATE, 1);
 168         if (read_user_wptr(mm, wptr64, data64)) {
 169                 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR,
 170                        lower_32_bits(data64));
 171                 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR_HI,
 172                        upper_32_bits(data64));
 173         } else {
 174                 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR,
 175                        m->sdmax_rlcx_rb_rptr);
 176                 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR_HI,
 177                        m->sdmax_rlcx_rb_rptr_hi);
 178         }
 179         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_MINOR_PTR_UPDATE, 0);
 180
 181         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_BASE, m->sdmax_rlcx_rb_base);
 182         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_BASE_HI,
 183                         m->sdmax_rlcx_rb_base_hi);
 184         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_ADDR_LO,
 185                         m->sdmax_rlcx_rb_rptr_addr_lo);
 186         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_ADDR_HI,
 187                         m->sdmax_rlcx_rb_rptr_addr_hi);
 188
 189         data = REG_SET_FIELD(m->sdmax_rlcx_rb_cntl, SDMA0_RLC0_RB_CNTL,
 190                              RB_ENABLE, 1);
 191         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, data);
 192
 193         return 0;
 194 }
 195
 196 int kgd_arcturus_hqd_sdma_dump(struct kgd_dev *kgd,
 197                              uint32_t engine_id, uint32_t queue_id,
 198                              uint32_t (**dump)[2], uint32_t *n_regs)
 199 {
 200         struct amdgpu_device *adev = get_amdgpu_device(kgd);
 201         uint32_t sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(adev,
 202                         engine_id, queue_id);
 203         uint32_t i = 0, reg;
 204 #undef HQD_N_REGS
 205 #define HQD_N_REGS (19+6+7+10)
 206
 207         *dump = kmalloc_array(HQD_N_REGS * 2, sizeof(uint32_t), GFP_KERNEL);
 208         if (*dump == NULL)
 209                 return -ENOMEM;
 210
 211         for (reg = mmSDMA0_RLC0_RB_CNTL; reg <= mmSDMA0_RLC0_DOORBELL; reg++)
 212                 DUMP_REG(sdma_rlc_reg_offset + reg);
 213         for (reg = mmSDMA0_RLC0_STATUS; reg <= mmSDMA0_RLC0_CSA_ADDR_HI; reg++)
 214                 DUMP_REG(sdma_rlc_reg_offset + reg);
 215         for (reg = mmSDMA0_RLC0_IB_SUB_REMAIN;
 216              reg <= mmSDMA0_RLC0_MINOR_PTR_UPDATE; reg++)
 217                 DUMP_REG(sdma_rlc_reg_offset + reg);
 218         for (reg = mmSDMA0_RLC0_MIDCMD_DATA0;
 219              reg <= mmSDMA0_RLC0_MIDCMD_CNTL; reg++)
 220                 DUMP_REG(sdma_rlc_reg_offset + reg);
 221
 222         WARN_ON_ONCE(i != HQD_N_REGS);
 223         *n_regs = i;
 224
 225         return 0;
 226 }
 227
 228 bool kgd_arcturus_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd)
 229 {
 230         struct amdgpu_device *adev = get_amdgpu_device(kgd);
 231         struct v9_sdma_mqd *m;
 232         uint32_t sdma_rlc_reg_offset;
 233         uint32_t sdma_rlc_rb_cntl;
 234
 235         m = get_sdma_mqd(mqd);
 236         sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(adev, m->sdma_engine_id,
 237                                             m->sdma_queue_id);
 238
 239         sdma_rlc_rb_cntl = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL);
 240
 241         if (sdma_rlc_rb_cntl & SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK)
 242                 return true;
 243
 244         return false;
 245 }
 246
 247 int kgd_arcturus_hqd_sdma_destroy(struct kgd_dev *kgd, void *mqd,
 248                                 unsigned int utimeout)
 249 {
 250         struct amdgpu_device *adev = get_amdgpu_device(kgd);
 251         struct v9_sdma_mqd *m;
 252         uint32_t sdma_rlc_reg_offset;
 253         uint32_t temp;
 254         unsigned long end_jiffies = (utimeout * HZ / 1000) + jiffies;
 255
 256         m = get_sdma_mqd(mqd);
 257         sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(adev, m->sdma_engine_id,
 258                                             m->sdma_queue_id);
 259
 260         temp = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL);
 261         temp = temp & ~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK;
 262         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, temp);
 263
 264         while (true) {
 265                 temp = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_CONTEXT_STATUS);
 266                 if (temp & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK)
 267                         break;
 268                 if (time_after(jiffies, end_jiffies)) {
 269                         pr_err("SDMA RLC not idle in %s\n", __func__);
 270                         return -ETIME;
 271                 }
 272                 usleep_range(500, 1000);
 273         }
 274
 275         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_DOORBELL, 0);
 276         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL,
 277                 RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL) |
 278                 SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK);
 279
 280         m->sdmax_rlcx_rb_rptr = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR);
 281         m->sdmax_rlcx_rb_rptr_hi =
 282                 RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_HI);
 283
 284         return 0;
 285 }
 286
 287 const struct kfd2kgd_calls arcturus_kfd2kgd = {
 288         .program_sh_mem_settings = kgd_gfx_v9_program_sh_mem_settings,
 289         .set_pasid_vmid_mapping = kgd_gfx_v9_set_pasid_vmid_mapping,
 290         .init_interrupts = kgd_gfx_v9_init_interrupts,
 291         .hqd_load = kgd_gfx_v9_hqd_load,
 292         .hiq_mqd_load = kgd_gfx_v9_hiq_mqd_load,
 293         .hqd_sdma_load = kgd_arcturus_hqd_sdma_load,
 294         .hqd_dump = kgd_gfx_v9_hqd_dump,
 295         .hqd_sdma_dump = kgd_arcturus_hqd_sdma_dump,
 296         .hqd_is_occupied = kgd_gfx_v9_hqd_is_occupied,
 297         .hqd_sdma_is_occupied = kgd_arcturus_hqd_sdma_is_occupied,
 298         .hqd_destroy = kgd_gfx_v9_hqd_destroy,
 299         .hqd_sdma_destroy = kgd_arcturus_hqd_sdma_destroy,
 300         .address_watch_disable = kgd_gfx_v9_address_watch_disable,
 301         .address_watch_execute = kgd_gfx_v9_address_watch_execute,
 302         .wave_control_execute = kgd_gfx_v9_wave_control_execute,
 303         .address_watch_get_offset = kgd_gfx_v9_address_watch_get_offset,
 304         .get_atc_vmid_pasid_mapping_info =
 305                                 kgd_gfx_v9_get_atc_vmid_pasid_mapping_info,
 306         .set_vm_context_page_table_base =
 307                                 kgd_gfx_v9_set_vm_context_page_table_base,
 308         .get_cu_occupancy = kgd_gfx_v9_get_cu_occupancy,
 309         .program_trap_handler_settings = kgd_gfx_v9_program_trap_handler_settings
 310 };