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/mmu_context.h> 26 #include <linux/firmware.h> 27 #include "amdgpu.h" 28 #include "amdgpu_amdkfd.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 /* fall through */ 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 static int kgd_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 static int kgd_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 static bool kgd_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 static int kgd_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 static void kgd_set_vm_context_page_table_base(struct kgd_dev *kgd, uint32_t vmid, 288 uint64_t page_table_base) 289 { 290 struct amdgpu_device *adev = get_amdgpu_device(kgd); 291 292 if (!amdgpu_amdkfd_is_kfd_vmid(adev, vmid)) { 293 pr_err("trying to set page table base for wrong VMID %u\n", 294 vmid); 295 return; 296 } 297 298 mmhub_v9_4_setup_vm_pt_regs(adev, vmid, page_table_base); 299 300 gfxhub_v1_0_setup_vm_pt_regs(adev, vmid, page_table_base); 301 } 302 303 const struct kfd2kgd_calls arcturus_kfd2kgd = { 304 .program_sh_mem_settings = kgd_gfx_v9_program_sh_mem_settings, 305 .set_pasid_vmid_mapping = kgd_gfx_v9_set_pasid_vmid_mapping, 306 .init_interrupts = kgd_gfx_v9_init_interrupts, 307 .hqd_load = kgd_gfx_v9_hqd_load, 308 .hiq_mqd_load = kgd_gfx_v9_hiq_mqd_load, 309 .hqd_sdma_load = kgd_hqd_sdma_load, 310 .hqd_dump = kgd_gfx_v9_hqd_dump, 311 .hqd_sdma_dump = kgd_hqd_sdma_dump, 312 .hqd_is_occupied = kgd_gfx_v9_hqd_is_occupied, 313 .hqd_sdma_is_occupied = kgd_hqd_sdma_is_occupied, 314 .hqd_destroy = kgd_gfx_v9_hqd_destroy, 315 .hqd_sdma_destroy = kgd_hqd_sdma_destroy, 316 .address_watch_disable = kgd_gfx_v9_address_watch_disable, 317 .address_watch_execute = kgd_gfx_v9_address_watch_execute, 318 .wave_control_execute = kgd_gfx_v9_wave_control_execute, 319 .address_watch_get_offset = kgd_gfx_v9_address_watch_get_offset, 320 .get_atc_vmid_pasid_mapping_info = 321 kgd_gfx_v9_get_atc_vmid_pasid_mapping_info, 322 .get_tile_config = kgd_gfx_v9_get_tile_config, 323 .set_vm_context_page_table_base = kgd_set_vm_context_page_table_base, 324 .get_hive_id = amdgpu_amdkfd_get_hive_id, 325 }; 326