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
  23 #undef pr_fmt
  24 #define pr_fmt(fmt) "kfd2kgd: " fmt
  25
  26 #include <linux/module.h>
  27 #include <linux/fdtable.h>
  28 #include <linux/uaccess.h>
  29 #include <linux/mmu_context.h>
  30 #include <linux/firmware.h>
  31 #include "amdgpu.h"
  32 #include "amdgpu_amdkfd.h"
  33 #include "sdma0/sdma0_4_2_2_offset.h"
  34 #include "sdma0/sdma0_4_2_2_sh_mask.h"
  35 #include "sdma1/sdma1_4_2_2_offset.h"
  36 #include "sdma1/sdma1_4_2_2_sh_mask.h"
  37 #include "sdma2/sdma2_4_2_2_offset.h"
  38 #include "sdma2/sdma2_4_2_2_sh_mask.h"
  39 #include "sdma3/sdma3_4_2_2_offset.h"
  40 #include "sdma3/sdma3_4_2_2_sh_mask.h"
  41 #include "sdma4/sdma4_4_2_2_offset.h"
  42 #include "sdma4/sdma4_4_2_2_sh_mask.h"
  43 #include "sdma5/sdma5_4_2_2_offset.h"
  44 #include "sdma5/sdma5_4_2_2_sh_mask.h"
  45 #include "sdma6/sdma6_4_2_2_offset.h"
  46 #include "sdma6/sdma6_4_2_2_sh_mask.h"
  47 #include "sdma7/sdma7_4_2_2_offset.h"
  48 #include "sdma7/sdma7_4_2_2_sh_mask.h"
  49 #include "v9_structs.h"
  50 #include "soc15.h"
  51 #include "soc15d.h"
  52 #include "amdgpu_amdkfd_gfx_v9.h"
  53
  54 #define HQD_N_REGS 56
  55 #define DUMP_REG(addr) do {                             \
  56                 if (WARN_ON_ONCE(i >= HQD_N_REGS))      \
  57                         break;                          \
  58                 (*dump)[i][0] = (addr) << 2;            \
  59                 (*dump)[i++][1] = RREG32(addr);         \
  60         } while (0)
  61
  62 static inline struct amdgpu_device *get_amdgpu_device(struct kgd_dev *kgd)
  63 {
  64         return (struct amdgpu_device *)kgd;
  65 }
  66
  67 static inline struct v9_sdma_mqd *get_sdma_mqd(void *mqd)
  68 {
  69         return (struct v9_sdma_mqd *)mqd;
  70 }
  71
  72 static uint32_t get_sdma_base_addr(struct amdgpu_device *adev,
  73                                 unsigned int engine_id,
  74                                 unsigned int queue_id)
  75 {
  76         uint32_t base[8] = {
  77                 SOC15_REG_OFFSET(SDMA0, 0,
  78                                  mmSDMA0_RLC0_RB_CNTL) - mmSDMA0_RLC0_RB_CNTL,
  79                 SOC15_REG_OFFSET(SDMA1, 0,
  80                                  mmSDMA1_RLC0_RB_CNTL) - mmSDMA1_RLC0_RB_CNTL,
  81                 SOC15_REG_OFFSET(SDMA2, 0,
  82                                  mmSDMA2_RLC0_RB_CNTL) - mmSDMA2_RLC0_RB_CNTL,
  83                 SOC15_REG_OFFSET(SDMA3, 0,
  84                                  mmSDMA3_RLC0_RB_CNTL) - mmSDMA3_RLC0_RB_CNTL,
  85                 SOC15_REG_OFFSET(SDMA4, 0,
  86                                  mmSDMA4_RLC0_RB_CNTL) - mmSDMA4_RLC0_RB_CNTL,
  87                 SOC15_REG_OFFSET(SDMA5, 0,
  88                                  mmSDMA5_RLC0_RB_CNTL) - mmSDMA5_RLC0_RB_CNTL,
  89                 SOC15_REG_OFFSET(SDMA6, 0,
  90                                  mmSDMA6_RLC0_RB_CNTL) - mmSDMA6_RLC0_RB_CNTL,
  91                 SOC15_REG_OFFSET(SDMA7, 0,
  92                                  mmSDMA7_RLC0_RB_CNTL) - mmSDMA7_RLC0_RB_CNTL
  93         };
  94         uint32_t retval;
  95
  96         retval = base[engine_id] + queue_id * (mmSDMA0_RLC1_RB_CNTL -
  97                                                mmSDMA0_RLC0_RB_CNTL);
  98
  99         pr_debug("sdma base address: 0x%x\n", retval);
 100
 101         return retval;
 102 }
 103
 104 static u32 sdma_v4_0_get_reg_offset(struct amdgpu_device *adev,
 105                 u32 instance, u32 offset)
 106 {
 107         switch (instance) {
 108         case 0:
 109                 return (adev->reg_offset[SDMA0_HWIP][0][0] + offset);
 110         case 1:
 111                 return (adev->reg_offset[SDMA1_HWIP][0][1] + offset);
 112         case 2:
 113                 return (adev->reg_offset[SDMA2_HWIP][0][1] + offset);
 114         case 3:
 115                 return (adev->reg_offset[SDMA3_HWIP][0][1] + offset);
 116         case 4:
 117                 return (adev->reg_offset[SDMA4_HWIP][0][1] + offset);
 118         case 5:
 119                 return (adev->reg_offset[SDMA5_HWIP][0][1] + offset);
 120         case 6:
 121                 return (adev->reg_offset[SDMA6_HWIP][0][1] + offset);
 122         case 7:
 123                 return (adev->reg_offset[SDMA7_HWIP][0][1] + offset);
 124         default:
 125                 break;
 126         }
 127         return 0;
 128 }
 129
 130 static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd,
 131                              uint32_t __user *wptr, struct mm_struct *mm)
 132 {
 133         struct amdgpu_device *adev = get_amdgpu_device(kgd);
 134         struct v9_sdma_mqd *m;
 135         uint32_t sdma_base_addr, sdmax_gfx_context_cntl;
 136         unsigned long end_jiffies;
 137         uint32_t data;
 138         uint64_t data64;
 139         uint64_t __user *wptr64 = (uint64_t __user *)wptr;
 140
 141         m = get_sdma_mqd(mqd);
 142         sdma_base_addr = get_sdma_base_addr(adev, m->sdma_engine_id,
 143                                             m->sdma_queue_id);
 144         sdmax_gfx_context_cntl = sdma_v4_0_get_reg_offset(adev,
 145                         m->sdma_engine_id, mmSDMA0_GFX_CONTEXT_CNTL);
 146
 147         WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL,
 148                 m->sdmax_rlcx_rb_cntl & (~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK));
 149
 150         end_jiffies = msecs_to_jiffies(2000) + jiffies;
 151         while (true) {
 152                 data = RREG32(sdma_base_addr + mmSDMA0_RLC0_CONTEXT_STATUS);
 153                 if (data & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK)
 154                         break;
 155                 if (time_after(jiffies, end_jiffies))
 156                         return -ETIME;
 157                 usleep_range(500, 1000);
 158         }
 159         data = RREG32(sdmax_gfx_context_cntl);
 160         data = REG_SET_FIELD(data, SDMA0_GFX_CONTEXT_CNTL,
 161                              RESUME_CTX, 0);
 162         WREG32(sdmax_gfx_context_cntl, data);
 163
 164         WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL_OFFSET,
 165                m->sdmax_rlcx_doorbell_offset);
 166
 167         data = REG_SET_FIELD(m->sdmax_rlcx_doorbell, SDMA0_RLC0_DOORBELL,
 168                              ENABLE, 1);
 169         WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL, data);
 170         WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR, m->sdmax_rlcx_rb_rptr);
 171         WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_HI,
 172                                 m->sdmax_rlcx_rb_rptr_hi);
 173
 174         WREG32(sdma_base_addr + mmSDMA0_RLC0_MINOR_PTR_UPDATE, 1);
 175         if (read_user_wptr(mm, wptr64, data64)) {
 176                 WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR,
 177                        lower_32_bits(data64));
 178                 WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR_HI,
 179                        upper_32_bits(data64));
 180         } else {
 181                 WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR,
 182                        m->sdmax_rlcx_rb_rptr);
 183                 WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR_HI,
 184                        m->sdmax_rlcx_rb_rptr_hi);
 185         }
 186         WREG32(sdma_base_addr + mmSDMA0_RLC0_MINOR_PTR_UPDATE, 0);
 187
 188         WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE, m->sdmax_rlcx_rb_base);
 189         WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE_HI,
 190                         m->sdmax_rlcx_rb_base_hi);
 191         WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_ADDR_LO,
 192                         m->sdmax_rlcx_rb_rptr_addr_lo);
 193         WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_ADDR_HI,
 194                         m->sdmax_rlcx_rb_rptr_addr_hi);
 195
 196         data = REG_SET_FIELD(m->sdmax_rlcx_rb_cntl, SDMA0_RLC0_RB_CNTL,
 197                              RB_ENABLE, 1);
 198         WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL, data);
 199
 200         return 0;
 201 }
 202
 203 static int kgd_hqd_sdma_dump(struct kgd_dev *kgd,
 204                              uint32_t engine_id, uint32_t queue_id,
 205                              uint32_t (**dump)[2], uint32_t *n_regs)
 206 {
 207         struct amdgpu_device *adev = get_amdgpu_device(kgd);
 208         uint32_t sdma_base_addr = get_sdma_base_addr(adev, engine_id, queue_id);
 209         uint32_t i = 0, reg;
 210 #undef HQD_N_REGS
 211 #define HQD_N_REGS (19+6+7+10)
 212
 213         *dump = kmalloc_array(HQD_N_REGS * 2, sizeof(uint32_t), GFP_KERNEL);
 214         if (*dump == NULL)
 215                 return -ENOMEM;
 216
 217         for (reg = mmSDMA0_RLC0_RB_CNTL; reg <= mmSDMA0_RLC0_DOORBELL; reg++)
 218                 DUMP_REG(sdma_base_addr + reg);
 219         for (reg = mmSDMA0_RLC0_STATUS; reg <= mmSDMA0_RLC0_CSA_ADDR_HI; reg++)
 220                 DUMP_REG(sdma_base_addr + reg);
 221         for (reg = mmSDMA0_RLC0_IB_SUB_REMAIN;
 222              reg <= mmSDMA0_RLC0_MINOR_PTR_UPDATE; reg++)
 223                 DUMP_REG(sdma_base_addr + reg);
 224         for (reg = mmSDMA0_RLC0_MIDCMD_DATA0;
 225              reg <= mmSDMA0_RLC0_MIDCMD_CNTL; reg++)
 226                 DUMP_REG(sdma_base_addr + reg);
 227
 228         WARN_ON_ONCE(i != HQD_N_REGS);
 229         *n_regs = i;
 230
 231         return 0;
 232 }
 233
 234 static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd)
 235 {
 236         struct amdgpu_device *adev = get_amdgpu_device(kgd);
 237         struct v9_sdma_mqd *m;
 238         uint32_t sdma_base_addr;
 239         uint32_t sdma_rlc_rb_cntl;
 240
 241         m = get_sdma_mqd(mqd);
 242         sdma_base_addr = get_sdma_base_addr(adev, m->sdma_engine_id,
 243                                             m->sdma_queue_id);
 244
 245         sdma_rlc_rb_cntl = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL);
 246
 247         if (sdma_rlc_rb_cntl & SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK)
 248                 return true;
 249
 250         return false;
 251 }
 252
 253 static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void *mqd,
 254                                 unsigned int utimeout)
 255 {
 256         struct amdgpu_device *adev = get_amdgpu_device(kgd);
 257         struct v9_sdma_mqd *m;
 258         uint32_t sdma_base_addr;
 259         uint32_t temp;
 260         unsigned long end_jiffies = (utimeout * HZ / 1000) + jiffies;
 261
 262         m = get_sdma_mqd(mqd);
 263         sdma_base_addr = get_sdma_base_addr(adev, m->sdma_engine_id,
 264                                             m->sdma_queue_id);
 265
 266         temp = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL);
 267         temp = temp & ~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK;
 268         WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL, temp);
 269
 270         while (true) {
 271                 temp = RREG32(sdma_base_addr + mmSDMA0_RLC0_CONTEXT_STATUS);
 272                 if (temp & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK)
 273                         break;
 274                 if (time_after(jiffies, end_jiffies))
 275                         return -ETIME;
 276                 usleep_range(500, 1000);
 277         }
 278
 279         WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL, 0);
 280         WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL,
 281                 RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL) |
 282                 SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK);
 283
 284         m->sdmax_rlcx_rb_rptr = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR);
 285         m->sdmax_rlcx_rb_rptr_hi =
 286                 RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_HI);
 287
 288         return 0;
 289 }
 290
 291 static const struct kfd2kgd_calls kfd2kgd = {
 292         .program_sh_mem_settings = kgd_gfx_v9_program_sh_mem_settings,
 293         .set_pasid_vmid_mapping = kgd_gfx_v9_set_pasid_vmid_mapping,
 294         .init_interrupts = kgd_gfx_v9_init_interrupts,
 295         .hqd_load = kgd_gfx_v9_hqd_load,
 296         .hqd_sdma_load = kgd_hqd_sdma_load,
 297         .hqd_dump = kgd_gfx_v9_hqd_dump,
 298         .hqd_sdma_dump = kgd_hqd_sdma_dump,
 299         .hqd_is_occupied = kgd_gfx_v9_hqd_is_occupied,
 300         .hqd_sdma_is_occupied = kgd_hqd_sdma_is_occupied,
 301         .hqd_destroy = kgd_gfx_v9_hqd_destroy,
 302         .hqd_sdma_destroy = kgd_hqd_sdma_destroy,
 303         .address_watch_disable = kgd_gfx_v9_address_watch_disable,
 304         .address_watch_execute = kgd_gfx_v9_address_watch_execute,
 305         .wave_control_execute = kgd_gfx_v9_wave_control_execute,
 306         .address_watch_get_offset = kgd_gfx_v9_address_watch_get_offset,
 307         .get_atc_vmid_pasid_mapping_pasid =
 308                         kgd_gfx_v9_get_atc_vmid_pasid_mapping_pasid,
 309         .get_atc_vmid_pasid_mapping_valid =
 310                         kgd_gfx_v9_get_atc_vmid_pasid_mapping_valid,
 311         .set_scratch_backing_va = kgd_gfx_v9_set_scratch_backing_va,
 312         .get_tile_config = kgd_gfx_v9_get_tile_config,
 313         .set_vm_context_page_table_base = kgd_gfx_v9_set_vm_context_page_table_base,
 314         .invalidate_tlbs = kgd_gfx_v9_invalidate_tlbs,
 315         .invalidate_tlbs_vmid = kgd_gfx_v9_invalidate_tlbs_vmid,
 316         .get_hive_id = amdgpu_amdkfd_get_hive_id,
 317 };
 318
 319 struct kfd2kgd_calls *amdgpu_amdkfd_arcturus_get_functions(void)
 320 {
 321         return (struct kfd2kgd_calls *)&kfd2kgd;
 322 }
 323