1 /* 2 * Copyright(c) 2011-2016 Intel Corporation. All rights reserved. 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 (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 * SOFTWARE. 22 * 23 * Authors: 24 * Kevin Tian <kevin.tian@intel.com> 25 * Eddie Dong <eddie.dong@intel.com> 26 * Zhiyuan Lv <zhiyuan.lv@intel.com> 27 * 28 * Contributors: 29 * Min He <min.he@intel.com> 30 * Tina Zhang <tina.zhang@intel.com> 31 * Pei Zhang <pei.zhang@intel.com> 32 * Niu Bing <bing.niu@intel.com> 33 * Ping Gao <ping.a.gao@intel.com> 34 * Zhi Wang <zhi.a.wang@intel.com> 35 * 36 37 */ 38 39 #include "i915_drv.h" 40 #include "i915_reg.h" 41 #include "gvt.h" 42 #include "i915_pvinfo.h" 43 #include "intel_mchbar_regs.h" 44 #include "display/intel_display_types.h" 45 #include "display/intel_dmc_regs.h" 46 #include "display/intel_fbc.h" 47 #include "display/vlv_dsi_pll_regs.h" 48 #include "gt/intel_gt_regs.h" 49 50 /* XXX FIXME i915 has changed PP_XXX definition */ 51 #define PCH_PP_STATUS _MMIO(0xc7200) 52 #define PCH_PP_CONTROL _MMIO(0xc7204) 53 #define PCH_PP_ON_DELAYS _MMIO(0xc7208) 54 #define PCH_PP_OFF_DELAYS _MMIO(0xc720c) 55 #define PCH_PP_DIVISOR _MMIO(0xc7210) 56 57 unsigned long intel_gvt_get_device_type(struct intel_gvt *gvt) 58 { 59 struct drm_i915_private *i915 = gvt->gt->i915; 60 61 if (IS_BROADWELL(i915)) 62 return D_BDW; 63 else if (IS_SKYLAKE(i915)) 64 return D_SKL; 65 else if (IS_KABYLAKE(i915)) 66 return D_KBL; 67 else if (IS_BROXTON(i915)) 68 return D_BXT; 69 else if (IS_COFFEELAKE(i915) || IS_COMETLAKE(i915)) 70 return D_CFL; 71 72 return 0; 73 } 74 75 static bool intel_gvt_match_device(struct intel_gvt *gvt, 76 unsigned long device) 77 { 78 return intel_gvt_get_device_type(gvt) & device; 79 } 80 81 static void read_vreg(struct intel_vgpu *vgpu, unsigned int offset, 82 void *p_data, unsigned int bytes) 83 { 84 memcpy(p_data, &vgpu_vreg(vgpu, offset), bytes); 85 } 86 87 static void write_vreg(struct intel_vgpu *vgpu, unsigned int offset, 88 void *p_data, unsigned int bytes) 89 { 90 memcpy(&vgpu_vreg(vgpu, offset), p_data, bytes); 91 } 92 93 struct intel_gvt_mmio_info *intel_gvt_find_mmio_info(struct intel_gvt *gvt, 94 unsigned int offset) 95 { 96 struct intel_gvt_mmio_info *e; 97 98 hash_for_each_possible(gvt->mmio.mmio_info_table, e, node, offset) { 99 if (e->offset == offset) 100 return e; 101 } 102 return NULL; 103 } 104 105 static int setup_mmio_info(struct intel_gvt *gvt, u32 offset, u32 size, 106 u16 flags, u32 addr_mask, u32 ro_mask, u32 device, 107 gvt_mmio_func read, gvt_mmio_func write) 108 { 109 struct intel_gvt_mmio_info *p; 110 u32 start, end, i; 111 112 if (!intel_gvt_match_device(gvt, device)) 113 return 0; 114 115 if (WARN_ON(!IS_ALIGNED(offset, 4))) 116 return -EINVAL; 117 118 start = offset; 119 end = offset + size; 120 121 for (i = start; i < end; i += 4) { 122 p = intel_gvt_find_mmio_info(gvt, i); 123 if (!p) { 124 WARN(1, "assign a handler to a non-tracked mmio %x\n", 125 i); 126 return -ENODEV; 127 } 128 p->ro_mask = ro_mask; 129 gvt->mmio.mmio_attribute[i / 4] = flags; 130 if (read) 131 p->read = read; 132 if (write) 133 p->write = write; 134 } 135 return 0; 136 } 137 138 /** 139 * intel_gvt_render_mmio_to_engine - convert a mmio offset into the engine 140 * @gvt: a GVT device 141 * @offset: register offset 142 * 143 * Returns: 144 * The engine containing the offset within its mmio page. 145 */ 146 const struct intel_engine_cs * 147 intel_gvt_render_mmio_to_engine(struct intel_gvt *gvt, unsigned int offset) 148 { 149 struct intel_engine_cs *engine; 150 enum intel_engine_id id; 151 152 offset &= ~GENMASK(11, 0); 153 for_each_engine(engine, gvt->gt, id) 154 if (engine->mmio_base == offset) 155 return engine; 156 157 return NULL; 158 } 159 160 #define offset_to_fence_num(offset) \ 161 ((offset - i915_mmio_reg_offset(FENCE_REG_GEN6_LO(0))) >> 3) 162 163 #define fence_num_to_offset(num) \ 164 (num * 8 + i915_mmio_reg_offset(FENCE_REG_GEN6_LO(0))) 165 166 167 void enter_failsafe_mode(struct intel_vgpu *vgpu, int reason) 168 { 169 switch (reason) { 170 case GVT_FAILSAFE_UNSUPPORTED_GUEST: 171 pr_err("Detected your guest driver doesn't support GVT-g.\n"); 172 break; 173 case GVT_FAILSAFE_INSUFFICIENT_RESOURCE: 174 pr_err("Graphics resource is not enough for the guest\n"); 175 break; 176 case GVT_FAILSAFE_GUEST_ERR: 177 pr_err("GVT Internal error for the guest\n"); 178 break; 179 default: 180 break; 181 } 182 pr_err("Now vgpu %d will enter failsafe mode.\n", vgpu->id); 183 vgpu->failsafe = true; 184 } 185 186 static int sanitize_fence_mmio_access(struct intel_vgpu *vgpu, 187 unsigned int fence_num, void *p_data, unsigned int bytes) 188 { 189 unsigned int max_fence = vgpu_fence_sz(vgpu); 190 191 if (fence_num >= max_fence) { 192 gvt_vgpu_err("access oob fence reg %d/%d\n", 193 fence_num, max_fence); 194 195 /* When guest access oob fence regs without access 196 * pv_info first, we treat guest not supporting GVT, 197 * and we will let vgpu enter failsafe mode. 198 */ 199 if (!vgpu->pv_notified) 200 enter_failsafe_mode(vgpu, 201 GVT_FAILSAFE_UNSUPPORTED_GUEST); 202 203 memset(p_data, 0, bytes); 204 return -EINVAL; 205 } 206 return 0; 207 } 208 209 static int gamw_echo_dev_rw_ia_write(struct intel_vgpu *vgpu, 210 unsigned int offset, void *p_data, unsigned int bytes) 211 { 212 u32 ips = (*(u32 *)p_data) & GAMW_ECO_ENABLE_64K_IPS_FIELD; 213 214 if (GRAPHICS_VER(vgpu->gvt->gt->i915) <= 10) { 215 if (ips == GAMW_ECO_ENABLE_64K_IPS_FIELD) 216 gvt_dbg_core("vgpu%d: ips enabled\n", vgpu->id); 217 else if (!ips) 218 gvt_dbg_core("vgpu%d: ips disabled\n", vgpu->id); 219 else { 220 /* All engines must be enabled together for vGPU, 221 * since we don't know which engine the ppgtt will 222 * bind to when shadowing. 223 */ 224 gvt_vgpu_err("Unsupported IPS setting %x, cannot enable 64K gtt.\n", 225 ips); 226 return -EINVAL; 227 } 228 } 229 230 write_vreg(vgpu, offset, p_data, bytes); 231 return 0; 232 } 233 234 static int fence_mmio_read(struct intel_vgpu *vgpu, unsigned int off, 235 void *p_data, unsigned int bytes) 236 { 237 int ret; 238 239 ret = sanitize_fence_mmio_access(vgpu, offset_to_fence_num(off), 240 p_data, bytes); 241 if (ret) 242 return ret; 243 read_vreg(vgpu, off, p_data, bytes); 244 return 0; 245 } 246 247 static int fence_mmio_write(struct intel_vgpu *vgpu, unsigned int off, 248 void *p_data, unsigned int bytes) 249 { 250 struct intel_gvt *gvt = vgpu->gvt; 251 unsigned int fence_num = offset_to_fence_num(off); 252 int ret; 253 254 ret = sanitize_fence_mmio_access(vgpu, fence_num, p_data, bytes); 255 if (ret) 256 return ret; 257 write_vreg(vgpu, off, p_data, bytes); 258 259 mmio_hw_access_pre(gvt->gt); 260 intel_vgpu_write_fence(vgpu, fence_num, 261 vgpu_vreg64(vgpu, fence_num_to_offset(fence_num))); 262 mmio_hw_access_post(gvt->gt); 263 return 0; 264 } 265 266 #define CALC_MODE_MASK_REG(old, new) \ 267 (((new) & GENMASK(31, 16)) \ 268 | ((((old) & GENMASK(15, 0)) & ~((new) >> 16)) \ 269 | ((new) & ((new) >> 16)))) 270 271 static int mul_force_wake_write(struct intel_vgpu *vgpu, 272 unsigned int offset, void *p_data, unsigned int bytes) 273 { 274 u32 old, new; 275 u32 ack_reg_offset; 276 277 old = vgpu_vreg(vgpu, offset); 278 new = CALC_MODE_MASK_REG(old, *(u32 *)p_data); 279 280 if (GRAPHICS_VER(vgpu->gvt->gt->i915) >= 9) { 281 switch (offset) { 282 case FORCEWAKE_RENDER_GEN9_REG: 283 ack_reg_offset = FORCEWAKE_ACK_RENDER_GEN9_REG; 284 break; 285 case FORCEWAKE_GT_GEN9_REG: 286 ack_reg_offset = FORCEWAKE_ACK_GT_GEN9_REG; 287 break; 288 case FORCEWAKE_MEDIA_GEN9_REG: 289 ack_reg_offset = FORCEWAKE_ACK_MEDIA_GEN9_REG; 290 break; 291 default: 292 /*should not hit here*/ 293 gvt_vgpu_err("invalid forcewake offset 0x%x\n", offset); 294 return -EINVAL; 295 } 296 } else { 297 ack_reg_offset = FORCEWAKE_ACK_HSW_REG; 298 } 299 300 vgpu_vreg(vgpu, offset) = new; 301 vgpu_vreg(vgpu, ack_reg_offset) = (new & GENMASK(15, 0)); 302 return 0; 303 } 304 305 static int gdrst_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, 306 void *p_data, unsigned int bytes) 307 { 308 intel_engine_mask_t engine_mask = 0; 309 u32 data; 310 311 write_vreg(vgpu, offset, p_data, bytes); 312 data = vgpu_vreg(vgpu, offset); 313 314 if (data & GEN6_GRDOM_FULL) { 315 gvt_dbg_mmio("vgpu%d: request full GPU reset\n", vgpu->id); 316 engine_mask = ALL_ENGINES; 317 } else { 318 if (data & GEN6_GRDOM_RENDER) { 319 gvt_dbg_mmio("vgpu%d: request RCS reset\n", vgpu->id); 320 engine_mask |= BIT(RCS0); 321 } 322 if (data & GEN6_GRDOM_MEDIA) { 323 gvt_dbg_mmio("vgpu%d: request VCS reset\n", vgpu->id); 324 engine_mask |= BIT(VCS0); 325 } 326 if (data & GEN6_GRDOM_BLT) { 327 gvt_dbg_mmio("vgpu%d: request BCS Reset\n", vgpu->id); 328 engine_mask |= BIT(BCS0); 329 } 330 if (data & GEN6_GRDOM_VECS) { 331 gvt_dbg_mmio("vgpu%d: request VECS Reset\n", vgpu->id); 332 engine_mask |= BIT(VECS0); 333 } 334 if (data & GEN8_GRDOM_MEDIA2) { 335 gvt_dbg_mmio("vgpu%d: request VCS2 Reset\n", vgpu->id); 336 engine_mask |= BIT(VCS1); 337 } 338 if (data & GEN9_GRDOM_GUC) { 339 gvt_dbg_mmio("vgpu%d: request GUC Reset\n", vgpu->id); 340 vgpu_vreg_t(vgpu, GUC_STATUS) |= GS_MIA_IN_RESET; 341 } 342 engine_mask &= vgpu->gvt->gt->info.engine_mask; 343 } 344 345 /* vgpu_lock already hold by emulate mmio r/w */ 346 intel_gvt_reset_vgpu_locked(vgpu, false, engine_mask); 347 348 /* sw will wait for the device to ack the reset request */ 349 vgpu_vreg(vgpu, offset) = 0; 350 351 return 0; 352 } 353 354 static int gmbus_mmio_read(struct intel_vgpu *vgpu, unsigned int offset, 355 void *p_data, unsigned int bytes) 356 { 357 return intel_gvt_i2c_handle_gmbus_read(vgpu, offset, p_data, bytes); 358 } 359 360 static int gmbus_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, 361 void *p_data, unsigned int bytes) 362 { 363 return intel_gvt_i2c_handle_gmbus_write(vgpu, offset, p_data, bytes); 364 } 365 366 static int pch_pp_control_mmio_write(struct intel_vgpu *vgpu, 367 unsigned int offset, void *p_data, unsigned int bytes) 368 { 369 write_vreg(vgpu, offset, p_data, bytes); 370 371 if (vgpu_vreg(vgpu, offset) & PANEL_POWER_ON) { 372 vgpu_vreg_t(vgpu, PCH_PP_STATUS) |= PP_ON; 373 vgpu_vreg_t(vgpu, PCH_PP_STATUS) |= PP_SEQUENCE_STATE_ON_IDLE; 374 vgpu_vreg_t(vgpu, PCH_PP_STATUS) &= ~PP_SEQUENCE_POWER_DOWN; 375 vgpu_vreg_t(vgpu, PCH_PP_STATUS) &= ~PP_CYCLE_DELAY_ACTIVE; 376 377 } else 378 vgpu_vreg_t(vgpu, PCH_PP_STATUS) &= 379 ~(PP_ON | PP_SEQUENCE_POWER_DOWN 380 | PP_CYCLE_DELAY_ACTIVE); 381 return 0; 382 } 383 384 static int transconf_mmio_write(struct intel_vgpu *vgpu, 385 unsigned int offset, void *p_data, unsigned int bytes) 386 { 387 write_vreg(vgpu, offset, p_data, bytes); 388 389 if (vgpu_vreg(vgpu, offset) & TRANS_ENABLE) 390 vgpu_vreg(vgpu, offset) |= TRANS_STATE_ENABLE; 391 else 392 vgpu_vreg(vgpu, offset) &= ~TRANS_STATE_ENABLE; 393 return 0; 394 } 395 396 static int lcpll_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, 397 void *p_data, unsigned int bytes) 398 { 399 write_vreg(vgpu, offset, p_data, bytes); 400 401 if (vgpu_vreg(vgpu, offset) & LCPLL_PLL_DISABLE) 402 vgpu_vreg(vgpu, offset) &= ~LCPLL_PLL_LOCK; 403 else 404 vgpu_vreg(vgpu, offset) |= LCPLL_PLL_LOCK; 405 406 if (vgpu_vreg(vgpu, offset) & LCPLL_CD_SOURCE_FCLK) 407 vgpu_vreg(vgpu, offset) |= LCPLL_CD_SOURCE_FCLK_DONE; 408 else 409 vgpu_vreg(vgpu, offset) &= ~LCPLL_CD_SOURCE_FCLK_DONE; 410 411 return 0; 412 } 413 414 static int dpy_reg_mmio_read(struct intel_vgpu *vgpu, unsigned int offset, 415 void *p_data, unsigned int bytes) 416 { 417 switch (offset) { 418 case 0xe651c: 419 case 0xe661c: 420 case 0xe671c: 421 case 0xe681c: 422 vgpu_vreg(vgpu, offset) = 1 << 17; 423 break; 424 case 0xe6c04: 425 vgpu_vreg(vgpu, offset) = 0x3; 426 break; 427 case 0xe6e1c: 428 vgpu_vreg(vgpu, offset) = 0x2f << 16; 429 break; 430 default: 431 return -EINVAL; 432 } 433 434 read_vreg(vgpu, offset, p_data, bytes); 435 return 0; 436 } 437 438 /* 439 * Only PIPE_A is enabled in current vGPU display and PIPE_A is tied to 440 * TRANSCODER_A in HW. DDI/PORT could be PORT_x depends on 441 * setup_virtual_dp_monitor(). 442 * emulate_monitor_status_change() set up PLL for PORT_x as the initial enabled 443 * DPLL. Later guest driver may setup a different DPLLx when setting mode. 444 * So the correct sequence to find DP stream clock is: 445 * Check TRANS_DDI_FUNC_CTL on TRANSCODER_A to get PORT_x. 446 * Check correct PLLx for PORT_x to get PLL frequency and DP bitrate. 447 * Then Refresh rate then can be calculated based on follow equations: 448 * Pixel clock = h_total * v_total * refresh_rate 449 * stream clock = Pixel clock 450 * ls_clk = DP bitrate 451 * Link M/N = strm_clk / ls_clk 452 */ 453 454 static u32 bdw_vgpu_get_dp_bitrate(struct intel_vgpu *vgpu, enum port port) 455 { 456 u32 dp_br = 0; 457 u32 ddi_pll_sel = vgpu_vreg_t(vgpu, PORT_CLK_SEL(port)); 458 459 switch (ddi_pll_sel) { 460 case PORT_CLK_SEL_LCPLL_2700: 461 dp_br = 270000 * 2; 462 break; 463 case PORT_CLK_SEL_LCPLL_1350: 464 dp_br = 135000 * 2; 465 break; 466 case PORT_CLK_SEL_LCPLL_810: 467 dp_br = 81000 * 2; 468 break; 469 case PORT_CLK_SEL_SPLL: 470 { 471 switch (vgpu_vreg_t(vgpu, SPLL_CTL) & SPLL_FREQ_MASK) { 472 case SPLL_FREQ_810MHz: 473 dp_br = 81000 * 2; 474 break; 475 case SPLL_FREQ_1350MHz: 476 dp_br = 135000 * 2; 477 break; 478 case SPLL_FREQ_2700MHz: 479 dp_br = 270000 * 2; 480 break; 481 default: 482 gvt_dbg_dpy("vgpu-%d PORT_%c can't get freq from SPLL 0x%08x\n", 483 vgpu->id, port_name(port), vgpu_vreg_t(vgpu, SPLL_CTL)); 484 break; 485 } 486 break; 487 } 488 case PORT_CLK_SEL_WRPLL1: 489 case PORT_CLK_SEL_WRPLL2: 490 { 491 u32 wrpll_ctl; 492 int refclk, n, p, r; 493 494 if (ddi_pll_sel == PORT_CLK_SEL_WRPLL1) 495 wrpll_ctl = vgpu_vreg_t(vgpu, WRPLL_CTL(DPLL_ID_WRPLL1)); 496 else 497 wrpll_ctl = vgpu_vreg_t(vgpu, WRPLL_CTL(DPLL_ID_WRPLL2)); 498 499 switch (wrpll_ctl & WRPLL_REF_MASK) { 500 case WRPLL_REF_PCH_SSC: 501 refclk = vgpu->gvt->gt->i915->display.dpll.ref_clks.ssc; 502 break; 503 case WRPLL_REF_LCPLL: 504 refclk = 2700000; 505 break; 506 default: 507 gvt_dbg_dpy("vgpu-%d PORT_%c WRPLL can't get refclk 0x%08x\n", 508 vgpu->id, port_name(port), wrpll_ctl); 509 goto out; 510 } 511 512 r = wrpll_ctl & WRPLL_DIVIDER_REF_MASK; 513 p = (wrpll_ctl & WRPLL_DIVIDER_POST_MASK) >> WRPLL_DIVIDER_POST_SHIFT; 514 n = (wrpll_ctl & WRPLL_DIVIDER_FB_MASK) >> WRPLL_DIVIDER_FB_SHIFT; 515 516 dp_br = (refclk * n / 10) / (p * r) * 2; 517 break; 518 } 519 default: 520 gvt_dbg_dpy("vgpu-%d PORT_%c has invalid clock select 0x%08x\n", 521 vgpu->id, port_name(port), vgpu_vreg_t(vgpu, PORT_CLK_SEL(port))); 522 break; 523 } 524 525 out: 526 return dp_br; 527 } 528 529 static u32 bxt_vgpu_get_dp_bitrate(struct intel_vgpu *vgpu, enum port port) 530 { 531 u32 dp_br = 0; 532 int refclk = vgpu->gvt->gt->i915->display.dpll.ref_clks.nssc; 533 enum dpio_phy phy = DPIO_PHY0; 534 enum dpio_channel ch = DPIO_CH0; 535 struct dpll clock = {0}; 536 u32 temp; 537 538 /* Port to PHY mapping is fixed, see bxt_ddi_phy_info{} */ 539 switch (port) { 540 case PORT_A: 541 phy = DPIO_PHY1; 542 ch = DPIO_CH0; 543 break; 544 case PORT_B: 545 phy = DPIO_PHY0; 546 ch = DPIO_CH0; 547 break; 548 case PORT_C: 549 phy = DPIO_PHY0; 550 ch = DPIO_CH1; 551 break; 552 default: 553 gvt_dbg_dpy("vgpu-%d no PHY for PORT_%c\n", vgpu->id, port_name(port)); 554 goto out; 555 } 556 557 temp = vgpu_vreg_t(vgpu, BXT_PORT_PLL_ENABLE(port)); 558 if (!(temp & PORT_PLL_ENABLE) || !(temp & PORT_PLL_LOCK)) { 559 gvt_dbg_dpy("vgpu-%d PORT_%c PLL_ENABLE 0x%08x isn't enabled or locked\n", 560 vgpu->id, port_name(port), temp); 561 goto out; 562 } 563 564 clock.m1 = 2; 565 clock.m2 = REG_FIELD_GET(PORT_PLL_M2_INT_MASK, 566 vgpu_vreg_t(vgpu, BXT_PORT_PLL(phy, ch, 0))) << 22; 567 if (vgpu_vreg_t(vgpu, BXT_PORT_PLL(phy, ch, 3)) & PORT_PLL_M2_FRAC_ENABLE) 568 clock.m2 |= REG_FIELD_GET(PORT_PLL_M2_FRAC_MASK, 569 vgpu_vreg_t(vgpu, BXT_PORT_PLL(phy, ch, 2))); 570 clock.n = REG_FIELD_GET(PORT_PLL_N_MASK, 571 vgpu_vreg_t(vgpu, BXT_PORT_PLL(phy, ch, 1))); 572 clock.p1 = REG_FIELD_GET(PORT_PLL_P1_MASK, 573 vgpu_vreg_t(vgpu, BXT_PORT_PLL_EBB_0(phy, ch))); 574 clock.p2 = REG_FIELD_GET(PORT_PLL_P2_MASK, 575 vgpu_vreg_t(vgpu, BXT_PORT_PLL_EBB_0(phy, ch))); 576 clock.m = clock.m1 * clock.m2; 577 clock.p = clock.p1 * clock.p2 * 5; 578 579 if (clock.n == 0 || clock.p == 0) { 580 gvt_dbg_dpy("vgpu-%d PORT_%c PLL has invalid divider\n", vgpu->id, port_name(port)); 581 goto out; 582 } 583 584 clock.vco = DIV_ROUND_CLOSEST_ULL(mul_u32_u32(refclk, clock.m), clock.n << 22); 585 clock.dot = DIV_ROUND_CLOSEST(clock.vco, clock.p); 586 587 dp_br = clock.dot; 588 589 out: 590 return dp_br; 591 } 592 593 static u32 skl_vgpu_get_dp_bitrate(struct intel_vgpu *vgpu, enum port port) 594 { 595 u32 dp_br = 0; 596 enum intel_dpll_id dpll_id = DPLL_ID_SKL_DPLL0; 597 598 /* Find the enabled DPLL for the DDI/PORT */ 599 if (!(vgpu_vreg_t(vgpu, DPLL_CTRL2) & DPLL_CTRL2_DDI_CLK_OFF(port)) && 600 (vgpu_vreg_t(vgpu, DPLL_CTRL2) & DPLL_CTRL2_DDI_SEL_OVERRIDE(port))) { 601 dpll_id += (vgpu_vreg_t(vgpu, DPLL_CTRL2) & 602 DPLL_CTRL2_DDI_CLK_SEL_MASK(port)) >> 603 DPLL_CTRL2_DDI_CLK_SEL_SHIFT(port); 604 } else { 605 gvt_dbg_dpy("vgpu-%d DPLL for PORT_%c isn't turned on\n", 606 vgpu->id, port_name(port)); 607 return dp_br; 608 } 609 610 /* Find PLL output frequency from correct DPLL, and get bir rate */ 611 switch ((vgpu_vreg_t(vgpu, DPLL_CTRL1) & 612 DPLL_CTRL1_LINK_RATE_MASK(dpll_id)) >> 613 DPLL_CTRL1_LINK_RATE_SHIFT(dpll_id)) { 614 case DPLL_CTRL1_LINK_RATE_810: 615 dp_br = 81000 * 2; 616 break; 617 case DPLL_CTRL1_LINK_RATE_1080: 618 dp_br = 108000 * 2; 619 break; 620 case DPLL_CTRL1_LINK_RATE_1350: 621 dp_br = 135000 * 2; 622 break; 623 case DPLL_CTRL1_LINK_RATE_1620: 624 dp_br = 162000 * 2; 625 break; 626 case DPLL_CTRL1_LINK_RATE_2160: 627 dp_br = 216000 * 2; 628 break; 629 case DPLL_CTRL1_LINK_RATE_2700: 630 dp_br = 270000 * 2; 631 break; 632 default: 633 dp_br = 0; 634 gvt_dbg_dpy("vgpu-%d PORT_%c fail to get DPLL-%d freq\n", 635 vgpu->id, port_name(port), dpll_id); 636 } 637 638 return dp_br; 639 } 640 641 static void vgpu_update_refresh_rate(struct intel_vgpu *vgpu) 642 { 643 struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915; 644 enum port port; 645 u32 dp_br, link_m, link_n, htotal, vtotal; 646 647 /* Find DDI/PORT assigned to TRANSCODER_A, expect B or D */ 648 port = (vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) & 649 TRANS_DDI_PORT_MASK) >> TRANS_DDI_PORT_SHIFT; 650 if (port != PORT_B && port != PORT_D) { 651 gvt_dbg_dpy("vgpu-%d unsupported PORT_%c\n", vgpu->id, port_name(port)); 652 return; 653 } 654 655 /* Calculate DP bitrate from PLL */ 656 if (IS_BROADWELL(dev_priv)) 657 dp_br = bdw_vgpu_get_dp_bitrate(vgpu, port); 658 else if (IS_BROXTON(dev_priv)) 659 dp_br = bxt_vgpu_get_dp_bitrate(vgpu, port); 660 else 661 dp_br = skl_vgpu_get_dp_bitrate(vgpu, port); 662 663 /* Get DP link symbol clock M/N */ 664 link_m = vgpu_vreg_t(vgpu, PIPE_LINK_M1(TRANSCODER_A)); 665 link_n = vgpu_vreg_t(vgpu, PIPE_LINK_N1(TRANSCODER_A)); 666 667 /* Get H/V total from transcoder timing */ 668 htotal = (vgpu_vreg_t(vgpu, HTOTAL(TRANSCODER_A)) >> TRANS_HTOTAL_SHIFT); 669 vtotal = (vgpu_vreg_t(vgpu, VTOTAL(TRANSCODER_A)) >> TRANS_VTOTAL_SHIFT); 670 671 if (dp_br && link_n && htotal && vtotal) { 672 u64 pixel_clk = 0; 673 u32 new_rate = 0; 674 u32 *old_rate = &(intel_vgpu_port(vgpu, vgpu->display.port_num)->vrefresh_k); 675 676 /* Calcuate pixel clock by (ls_clk * M / N) */ 677 pixel_clk = div_u64(mul_u32_u32(link_m, dp_br), link_n); 678 pixel_clk *= MSEC_PER_SEC; 679 680 /* Calcuate refresh rate by (pixel_clk / (h_total * v_total)) */ 681 new_rate = DIV64_U64_ROUND_CLOSEST(mul_u64_u32_shr(pixel_clk, MSEC_PER_SEC, 0), mul_u32_u32(htotal + 1, vtotal + 1)); 682 683 if (*old_rate != new_rate) 684 *old_rate = new_rate; 685 686 gvt_dbg_dpy("vgpu-%d PIPE_%c refresh rate updated to %d\n", 687 vgpu->id, pipe_name(PIPE_A), new_rate); 688 } 689 } 690 691 static int pipeconf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, 692 void *p_data, unsigned int bytes) 693 { 694 u32 data; 695 696 write_vreg(vgpu, offset, p_data, bytes); 697 data = vgpu_vreg(vgpu, offset); 698 699 if (data & PIPECONF_ENABLE) { 700 vgpu_vreg(vgpu, offset) |= PIPECONF_STATE_ENABLE; 701 vgpu_update_refresh_rate(vgpu); 702 vgpu_update_vblank_emulation(vgpu, true); 703 } else { 704 vgpu_vreg(vgpu, offset) &= ~PIPECONF_STATE_ENABLE; 705 vgpu_update_vblank_emulation(vgpu, false); 706 } 707 return 0; 708 } 709 710 /* sorted in ascending order */ 711 static i915_reg_t force_nonpriv_white_list[] = { 712 _MMIO(0xd80), 713 GEN9_CS_DEBUG_MODE1, //_MMIO(0x20ec) 714 GEN9_CTX_PREEMPT_REG,//_MMIO(0x2248) 715 CL_PRIMITIVES_COUNT, //_MMIO(0x2340) 716 PS_INVOCATION_COUNT, //_MMIO(0x2348) 717 PS_DEPTH_COUNT, //_MMIO(0x2350) 718 GEN8_CS_CHICKEN1,//_MMIO(0x2580) 719 _MMIO(0x2690), 720 _MMIO(0x2694), 721 _MMIO(0x2698), 722 _MMIO(0x2754), 723 _MMIO(0x28a0), 724 _MMIO(0x4de0), 725 _MMIO(0x4de4), 726 _MMIO(0x4dfc), 727 GEN7_COMMON_SLICE_CHICKEN1,//_MMIO(0x7010) 728 _MMIO(0x7014), 729 HDC_CHICKEN0,//_MMIO(0x7300) 730 GEN8_HDC_CHICKEN1,//_MMIO(0x7304) 731 _MMIO(0x7700), 732 _MMIO(0x7704), 733 _MMIO(0x7708), 734 _MMIO(0x770c), 735 _MMIO(0x83a8), 736 _MMIO(0xb110), 737 _MMIO(0xb118), 738 _MMIO(0xe100), 739 _MMIO(0xe18c), 740 _MMIO(0xe48c), 741 _MMIO(0xe5f4), 742 _MMIO(0x64844), 743 }; 744 745 /* a simple bsearch */ 746 static inline bool in_whitelist(u32 reg) 747 { 748 int left = 0, right = ARRAY_SIZE(force_nonpriv_white_list); 749 i915_reg_t *array = force_nonpriv_white_list; 750 751 while (left < right) { 752 int mid = (left + right)/2; 753 754 if (reg > array[mid].reg) 755 left = mid + 1; 756 else if (reg < array[mid].reg) 757 right = mid; 758 else 759 return true; 760 } 761 return false; 762 } 763 764 static int force_nonpriv_write(struct intel_vgpu *vgpu, 765 unsigned int offset, void *p_data, unsigned int bytes) 766 { 767 u32 reg_nonpriv = (*(u32 *)p_data) & REG_GENMASK(25, 2); 768 const struct intel_engine_cs *engine = 769 intel_gvt_render_mmio_to_engine(vgpu->gvt, offset); 770 771 if (bytes != 4 || !IS_ALIGNED(offset, bytes) || !engine) { 772 gvt_err("vgpu(%d) Invalid FORCE_NONPRIV offset %x(%dB)\n", 773 vgpu->id, offset, bytes); 774 return -EINVAL; 775 } 776 777 if (!in_whitelist(reg_nonpriv) && 778 reg_nonpriv != i915_mmio_reg_offset(RING_NOPID(engine->mmio_base))) { 779 gvt_err("vgpu(%d) Invalid FORCE_NONPRIV write %x at offset %x\n", 780 vgpu->id, reg_nonpriv, offset); 781 } else 782 intel_vgpu_default_mmio_write(vgpu, offset, p_data, bytes); 783 784 return 0; 785 } 786 787 static int ddi_buf_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, 788 void *p_data, unsigned int bytes) 789 { 790 write_vreg(vgpu, offset, p_data, bytes); 791 792 if (vgpu_vreg(vgpu, offset) & DDI_BUF_CTL_ENABLE) { 793 vgpu_vreg(vgpu, offset) &= ~DDI_BUF_IS_IDLE; 794 } else { 795 vgpu_vreg(vgpu, offset) |= DDI_BUF_IS_IDLE; 796 if (offset == i915_mmio_reg_offset(DDI_BUF_CTL(PORT_E))) 797 vgpu_vreg_t(vgpu, DP_TP_STATUS(PORT_E)) 798 &= ~DP_TP_STATUS_AUTOTRAIN_DONE; 799 } 800 return 0; 801 } 802 803 static int fdi_rx_iir_mmio_write(struct intel_vgpu *vgpu, 804 unsigned int offset, void *p_data, unsigned int bytes) 805 { 806 vgpu_vreg(vgpu, offset) &= ~*(u32 *)p_data; 807 return 0; 808 } 809 810 #define FDI_LINK_TRAIN_PATTERN1 0 811 #define FDI_LINK_TRAIN_PATTERN2 1 812 813 static int fdi_auto_training_started(struct intel_vgpu *vgpu) 814 { 815 u32 ddi_buf_ctl = vgpu_vreg_t(vgpu, DDI_BUF_CTL(PORT_E)); 816 u32 rx_ctl = vgpu_vreg(vgpu, _FDI_RXA_CTL); 817 u32 tx_ctl = vgpu_vreg_t(vgpu, DP_TP_CTL(PORT_E)); 818 819 if ((ddi_buf_ctl & DDI_BUF_CTL_ENABLE) && 820 (rx_ctl & FDI_RX_ENABLE) && 821 (rx_ctl & FDI_AUTO_TRAINING) && 822 (tx_ctl & DP_TP_CTL_ENABLE) && 823 (tx_ctl & DP_TP_CTL_FDI_AUTOTRAIN)) 824 return 1; 825 else 826 return 0; 827 } 828 829 static int check_fdi_rx_train_status(struct intel_vgpu *vgpu, 830 enum pipe pipe, unsigned int train_pattern) 831 { 832 i915_reg_t fdi_rx_imr, fdi_tx_ctl, fdi_rx_ctl; 833 unsigned int fdi_rx_check_bits, fdi_tx_check_bits; 834 unsigned int fdi_rx_train_bits, fdi_tx_train_bits; 835 unsigned int fdi_iir_check_bits; 836 837 fdi_rx_imr = FDI_RX_IMR(pipe); 838 fdi_tx_ctl = FDI_TX_CTL(pipe); 839 fdi_rx_ctl = FDI_RX_CTL(pipe); 840 841 if (train_pattern == FDI_LINK_TRAIN_PATTERN1) { 842 fdi_rx_train_bits = FDI_LINK_TRAIN_PATTERN_1_CPT; 843 fdi_tx_train_bits = FDI_LINK_TRAIN_PATTERN_1; 844 fdi_iir_check_bits = FDI_RX_BIT_LOCK; 845 } else if (train_pattern == FDI_LINK_TRAIN_PATTERN2) { 846 fdi_rx_train_bits = FDI_LINK_TRAIN_PATTERN_2_CPT; 847 fdi_tx_train_bits = FDI_LINK_TRAIN_PATTERN_2; 848 fdi_iir_check_bits = FDI_RX_SYMBOL_LOCK; 849 } else { 850 gvt_vgpu_err("Invalid train pattern %d\n", train_pattern); 851 return -EINVAL; 852 } 853 854 fdi_rx_check_bits = FDI_RX_ENABLE | fdi_rx_train_bits; 855 fdi_tx_check_bits = FDI_TX_ENABLE | fdi_tx_train_bits; 856 857 /* If imr bit has been masked */ 858 if (vgpu_vreg_t(vgpu, fdi_rx_imr) & fdi_iir_check_bits) 859 return 0; 860 861 if (((vgpu_vreg_t(vgpu, fdi_tx_ctl) & fdi_tx_check_bits) 862 == fdi_tx_check_bits) 863 && ((vgpu_vreg_t(vgpu, fdi_rx_ctl) & fdi_rx_check_bits) 864 == fdi_rx_check_bits)) 865 return 1; 866 else 867 return 0; 868 } 869 870 #define INVALID_INDEX (~0U) 871 872 static unsigned int calc_index(unsigned int offset, unsigned int start, 873 unsigned int next, unsigned int end, i915_reg_t i915_end) 874 { 875 unsigned int range = next - start; 876 877 if (!end) 878 end = i915_mmio_reg_offset(i915_end); 879 if (offset < start || offset > end) 880 return INVALID_INDEX; 881 offset -= start; 882 return offset / range; 883 } 884 885 #define FDI_RX_CTL_TO_PIPE(offset) \ 886 calc_index(offset, _FDI_RXA_CTL, _FDI_RXB_CTL, 0, FDI_RX_CTL(PIPE_C)) 887 888 #define FDI_TX_CTL_TO_PIPE(offset) \ 889 calc_index(offset, _FDI_TXA_CTL, _FDI_TXB_CTL, 0, FDI_TX_CTL(PIPE_C)) 890 891 #define FDI_RX_IMR_TO_PIPE(offset) \ 892 calc_index(offset, _FDI_RXA_IMR, _FDI_RXB_IMR, 0, FDI_RX_IMR(PIPE_C)) 893 894 static int update_fdi_rx_iir_status(struct intel_vgpu *vgpu, 895 unsigned int offset, void *p_data, unsigned int bytes) 896 { 897 i915_reg_t fdi_rx_iir; 898 unsigned int index; 899 int ret; 900 901 if (FDI_RX_CTL_TO_PIPE(offset) != INVALID_INDEX) 902 index = FDI_RX_CTL_TO_PIPE(offset); 903 else if (FDI_TX_CTL_TO_PIPE(offset) != INVALID_INDEX) 904 index = FDI_TX_CTL_TO_PIPE(offset); 905 else if (FDI_RX_IMR_TO_PIPE(offset) != INVALID_INDEX) 906 index = FDI_RX_IMR_TO_PIPE(offset); 907 else { 908 gvt_vgpu_err("Unsupport registers %x\n", offset); 909 return -EINVAL; 910 } 911 912 write_vreg(vgpu, offset, p_data, bytes); 913 914 fdi_rx_iir = FDI_RX_IIR(index); 915 916 ret = check_fdi_rx_train_status(vgpu, index, FDI_LINK_TRAIN_PATTERN1); 917 if (ret < 0) 918 return ret; 919 if (ret) 920 vgpu_vreg_t(vgpu, fdi_rx_iir) |= FDI_RX_BIT_LOCK; 921 922 ret = check_fdi_rx_train_status(vgpu, index, FDI_LINK_TRAIN_PATTERN2); 923 if (ret < 0) 924 return ret; 925 if (ret) 926 vgpu_vreg_t(vgpu, fdi_rx_iir) |= FDI_RX_SYMBOL_LOCK; 927 928 if (offset == _FDI_RXA_CTL) 929 if (fdi_auto_training_started(vgpu)) 930 vgpu_vreg_t(vgpu, DP_TP_STATUS(PORT_E)) |= 931 DP_TP_STATUS_AUTOTRAIN_DONE; 932 return 0; 933 } 934 935 #define DP_TP_CTL_TO_PORT(offset) \ 936 calc_index(offset, _DP_TP_CTL_A, _DP_TP_CTL_B, 0, DP_TP_CTL(PORT_E)) 937 938 static int dp_tp_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, 939 void *p_data, unsigned int bytes) 940 { 941 i915_reg_t status_reg; 942 unsigned int index; 943 u32 data; 944 945 write_vreg(vgpu, offset, p_data, bytes); 946 947 index = DP_TP_CTL_TO_PORT(offset); 948 data = (vgpu_vreg(vgpu, offset) & GENMASK(10, 8)) >> 8; 949 if (data == 0x2) { 950 status_reg = DP_TP_STATUS(index); 951 vgpu_vreg_t(vgpu, status_reg) |= (1 << 25); 952 } 953 return 0; 954 } 955 956 static int dp_tp_status_mmio_write(struct intel_vgpu *vgpu, 957 unsigned int offset, void *p_data, unsigned int bytes) 958 { 959 u32 reg_val; 960 u32 sticky_mask; 961 962 reg_val = *((u32 *)p_data); 963 sticky_mask = GENMASK(27, 26) | (1 << 24); 964 965 vgpu_vreg(vgpu, offset) = (reg_val & ~sticky_mask) | 966 (vgpu_vreg(vgpu, offset) & sticky_mask); 967 vgpu_vreg(vgpu, offset) &= ~(reg_val & sticky_mask); 968 return 0; 969 } 970 971 static int pch_adpa_mmio_write(struct intel_vgpu *vgpu, 972 unsigned int offset, void *p_data, unsigned int bytes) 973 { 974 u32 data; 975 976 write_vreg(vgpu, offset, p_data, bytes); 977 data = vgpu_vreg(vgpu, offset); 978 979 if (data & ADPA_CRT_HOTPLUG_FORCE_TRIGGER) 980 vgpu_vreg(vgpu, offset) &= ~ADPA_CRT_HOTPLUG_FORCE_TRIGGER; 981 return 0; 982 } 983 984 static int south_chicken2_mmio_write(struct intel_vgpu *vgpu, 985 unsigned int offset, void *p_data, unsigned int bytes) 986 { 987 u32 data; 988 989 write_vreg(vgpu, offset, p_data, bytes); 990 data = vgpu_vreg(vgpu, offset); 991 992 if (data & FDI_MPHY_IOSFSB_RESET_CTL) 993 vgpu_vreg(vgpu, offset) |= FDI_MPHY_IOSFSB_RESET_STATUS; 994 else 995 vgpu_vreg(vgpu, offset) &= ~FDI_MPHY_IOSFSB_RESET_STATUS; 996 return 0; 997 } 998 999 #define DSPSURF_TO_PIPE(offset) \ 1000 calc_index(offset, _DSPASURF, _DSPBSURF, 0, DSPSURF(PIPE_C)) 1001 1002 static int pri_surf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, 1003 void *p_data, unsigned int bytes) 1004 { 1005 struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915; 1006 u32 pipe = DSPSURF_TO_PIPE(offset); 1007 int event = SKL_FLIP_EVENT(pipe, PLANE_PRIMARY); 1008 1009 write_vreg(vgpu, offset, p_data, bytes); 1010 vgpu_vreg_t(vgpu, DSPSURFLIVE(pipe)) = vgpu_vreg(vgpu, offset); 1011 1012 vgpu_vreg_t(vgpu, PIPE_FLIPCOUNT_G4X(pipe))++; 1013 1014 if (vgpu_vreg_t(vgpu, DSPCNTR(pipe)) & PLANE_CTL_ASYNC_FLIP) 1015 intel_vgpu_trigger_virtual_event(vgpu, event); 1016 else 1017 set_bit(event, vgpu->irq.flip_done_event[pipe]); 1018 1019 return 0; 1020 } 1021 1022 #define SPRSURF_TO_PIPE(offset) \ 1023 calc_index(offset, _SPRA_SURF, _SPRB_SURF, 0, SPRSURF(PIPE_C)) 1024 1025 static int spr_surf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, 1026 void *p_data, unsigned int bytes) 1027 { 1028 u32 pipe = SPRSURF_TO_PIPE(offset); 1029 int event = SKL_FLIP_EVENT(pipe, PLANE_SPRITE0); 1030 1031 write_vreg(vgpu, offset, p_data, bytes); 1032 vgpu_vreg_t(vgpu, SPRSURFLIVE(pipe)) = vgpu_vreg(vgpu, offset); 1033 1034 if (vgpu_vreg_t(vgpu, SPRCTL(pipe)) & PLANE_CTL_ASYNC_FLIP) 1035 intel_vgpu_trigger_virtual_event(vgpu, event); 1036 else 1037 set_bit(event, vgpu->irq.flip_done_event[pipe]); 1038 1039 return 0; 1040 } 1041 1042 static int reg50080_mmio_write(struct intel_vgpu *vgpu, 1043 unsigned int offset, void *p_data, 1044 unsigned int bytes) 1045 { 1046 struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915; 1047 enum pipe pipe = REG_50080_TO_PIPE(offset); 1048 enum plane_id plane = REG_50080_TO_PLANE(offset); 1049 int event = SKL_FLIP_EVENT(pipe, plane); 1050 1051 write_vreg(vgpu, offset, p_data, bytes); 1052 if (plane == PLANE_PRIMARY) { 1053 vgpu_vreg_t(vgpu, DSPSURFLIVE(pipe)) = vgpu_vreg(vgpu, offset); 1054 vgpu_vreg_t(vgpu, PIPE_FLIPCOUNT_G4X(pipe))++; 1055 } else { 1056 vgpu_vreg_t(vgpu, SPRSURFLIVE(pipe)) = vgpu_vreg(vgpu, offset); 1057 } 1058 1059 if ((vgpu_vreg(vgpu, offset) & REG50080_FLIP_TYPE_MASK) == REG50080_FLIP_TYPE_ASYNC) 1060 intel_vgpu_trigger_virtual_event(vgpu, event); 1061 else 1062 set_bit(event, vgpu->irq.flip_done_event[pipe]); 1063 1064 return 0; 1065 } 1066 1067 static int trigger_aux_channel_interrupt(struct intel_vgpu *vgpu, 1068 unsigned int reg) 1069 { 1070 struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915; 1071 enum intel_gvt_event_type event; 1072 1073 if (reg == i915_mmio_reg_offset(DP_AUX_CH_CTL(AUX_CH_A))) 1074 event = AUX_CHANNEL_A; 1075 else if (reg == _PCH_DPB_AUX_CH_CTL || 1076 reg == i915_mmio_reg_offset(DP_AUX_CH_CTL(AUX_CH_B))) 1077 event = AUX_CHANNEL_B; 1078 else if (reg == _PCH_DPC_AUX_CH_CTL || 1079 reg == i915_mmio_reg_offset(DP_AUX_CH_CTL(AUX_CH_C))) 1080 event = AUX_CHANNEL_C; 1081 else if (reg == _PCH_DPD_AUX_CH_CTL || 1082 reg == i915_mmio_reg_offset(DP_AUX_CH_CTL(AUX_CH_D))) 1083 event = AUX_CHANNEL_D; 1084 else { 1085 drm_WARN_ON(&dev_priv->drm, true); 1086 return -EINVAL; 1087 } 1088 1089 intel_vgpu_trigger_virtual_event(vgpu, event); 1090 return 0; 1091 } 1092 1093 static int dp_aux_ch_ctl_trans_done(struct intel_vgpu *vgpu, u32 value, 1094 unsigned int reg, int len, bool data_valid) 1095 { 1096 /* mark transaction done */ 1097 value |= DP_AUX_CH_CTL_DONE; 1098 value &= ~DP_AUX_CH_CTL_SEND_BUSY; 1099 value &= ~DP_AUX_CH_CTL_RECEIVE_ERROR; 1100 1101 if (data_valid) 1102 value &= ~DP_AUX_CH_CTL_TIME_OUT_ERROR; 1103 else 1104 value |= DP_AUX_CH_CTL_TIME_OUT_ERROR; 1105 1106 /* message size */ 1107 value &= ~(0xf << 20); 1108 value |= (len << 20); 1109 vgpu_vreg(vgpu, reg) = value; 1110 1111 if (value & DP_AUX_CH_CTL_INTERRUPT) 1112 return trigger_aux_channel_interrupt(vgpu, reg); 1113 return 0; 1114 } 1115 1116 static void dp_aux_ch_ctl_link_training(struct intel_vgpu_dpcd_data *dpcd, 1117 u8 t) 1118 { 1119 if ((t & DPCD_TRAINING_PATTERN_SET_MASK) == DPCD_TRAINING_PATTERN_1) { 1120 /* training pattern 1 for CR */ 1121 /* set LANE0_CR_DONE, LANE1_CR_DONE */ 1122 dpcd->data[DPCD_LANE0_1_STATUS] |= DPCD_LANES_CR_DONE; 1123 /* set LANE2_CR_DONE, LANE3_CR_DONE */ 1124 dpcd->data[DPCD_LANE2_3_STATUS] |= DPCD_LANES_CR_DONE; 1125 } else if ((t & DPCD_TRAINING_PATTERN_SET_MASK) == 1126 DPCD_TRAINING_PATTERN_2) { 1127 /* training pattern 2 for EQ */ 1128 /* Set CHANNEL_EQ_DONE and SYMBOL_LOCKED for Lane0_1 */ 1129 dpcd->data[DPCD_LANE0_1_STATUS] |= DPCD_LANES_EQ_DONE; 1130 dpcd->data[DPCD_LANE0_1_STATUS] |= DPCD_SYMBOL_LOCKED; 1131 /* Set CHANNEL_EQ_DONE and SYMBOL_LOCKED for Lane2_3 */ 1132 dpcd->data[DPCD_LANE2_3_STATUS] |= DPCD_LANES_EQ_DONE; 1133 dpcd->data[DPCD_LANE2_3_STATUS] |= DPCD_SYMBOL_LOCKED; 1134 /* set INTERLANE_ALIGN_DONE */ 1135 dpcd->data[DPCD_LANE_ALIGN_STATUS_UPDATED] |= 1136 DPCD_INTERLANE_ALIGN_DONE; 1137 } else if ((t & DPCD_TRAINING_PATTERN_SET_MASK) == 1138 DPCD_LINK_TRAINING_DISABLED) { 1139 /* finish link training */ 1140 /* set sink status as synchronized */ 1141 dpcd->data[DPCD_SINK_STATUS] = DPCD_SINK_IN_SYNC; 1142 } 1143 } 1144 1145 #define _REG_HSW_DP_AUX_CH_CTL(dp) \ 1146 ((dp) ? (_PCH_DPB_AUX_CH_CTL + ((dp)-1)*0x100) : 0x64010) 1147 1148 #define _REG_SKL_DP_AUX_CH_CTL(dp) (0x64010 + (dp) * 0x100) 1149 1150 #define OFFSET_TO_DP_AUX_PORT(offset) (((offset) & 0xF00) >> 8) 1151 1152 #define dpy_is_valid_port(port) \ 1153 (((port) >= PORT_A) && ((port) < I915_MAX_PORTS)) 1154 1155 static int dp_aux_ch_ctl_mmio_write(struct intel_vgpu *vgpu, 1156 unsigned int offset, void *p_data, unsigned int bytes) 1157 { 1158 struct intel_vgpu_display *display = &vgpu->display; 1159 int msg, addr, ctrl, op, len; 1160 int port_index = OFFSET_TO_DP_AUX_PORT(offset); 1161 struct intel_vgpu_dpcd_data *dpcd = NULL; 1162 struct intel_vgpu_port *port = NULL; 1163 u32 data; 1164 1165 if (!dpy_is_valid_port(port_index)) { 1166 gvt_vgpu_err("Unsupported DP port access!\n"); 1167 return 0; 1168 } 1169 1170 write_vreg(vgpu, offset, p_data, bytes); 1171 data = vgpu_vreg(vgpu, offset); 1172 1173 if ((GRAPHICS_VER(vgpu->gvt->gt->i915) >= 9) 1174 && offset != _REG_SKL_DP_AUX_CH_CTL(port_index)) { 1175 /* SKL DPB/C/D aux ctl register changed */ 1176 return 0; 1177 } else if (IS_BROADWELL(vgpu->gvt->gt->i915) && 1178 offset != _REG_HSW_DP_AUX_CH_CTL(port_index)) { 1179 /* write to the data registers */ 1180 return 0; 1181 } 1182 1183 if (!(data & DP_AUX_CH_CTL_SEND_BUSY)) { 1184 /* just want to clear the sticky bits */ 1185 vgpu_vreg(vgpu, offset) = 0; 1186 return 0; 1187 } 1188 1189 port = &display->ports[port_index]; 1190 dpcd = port->dpcd; 1191 1192 /* read out message from DATA1 register */ 1193 msg = vgpu_vreg(vgpu, offset + 4); 1194 addr = (msg >> 8) & 0xffff; 1195 ctrl = (msg >> 24) & 0xff; 1196 len = msg & 0xff; 1197 op = ctrl >> 4; 1198 1199 if (op == GVT_AUX_NATIVE_WRITE) { 1200 int t; 1201 u8 buf[16]; 1202 1203 if ((addr + len + 1) >= DPCD_SIZE) { 1204 /* 1205 * Write request exceeds what we supported, 1206 * DCPD spec: When a Source Device is writing a DPCD 1207 * address not supported by the Sink Device, the Sink 1208 * Device shall reply with AUX NACK and “M” equal to 1209 * zero. 1210 */ 1211 1212 /* NAK the write */ 1213 vgpu_vreg(vgpu, offset + 4) = AUX_NATIVE_REPLY_NAK; 1214 dp_aux_ch_ctl_trans_done(vgpu, data, offset, 2, true); 1215 return 0; 1216 } 1217 1218 /* 1219 * Write request format: Headr (command + address + size) occupies 1220 * 4 bytes, followed by (len + 1) bytes of data. See details at 1221 * intel_dp_aux_transfer(). 1222 */ 1223 if ((len + 1 + 4) > AUX_BURST_SIZE) { 1224 gvt_vgpu_err("dp_aux_header: len %d is too large\n", len); 1225 return -EINVAL; 1226 } 1227 1228 /* unpack data from vreg to buf */ 1229 for (t = 0; t < 4; t++) { 1230 u32 r = vgpu_vreg(vgpu, offset + 8 + t * 4); 1231 1232 buf[t * 4] = (r >> 24) & 0xff; 1233 buf[t * 4 + 1] = (r >> 16) & 0xff; 1234 buf[t * 4 + 2] = (r >> 8) & 0xff; 1235 buf[t * 4 + 3] = r & 0xff; 1236 } 1237 1238 /* write to virtual DPCD */ 1239 if (dpcd && dpcd->data_valid) { 1240 for (t = 0; t <= len; t++) { 1241 int p = addr + t; 1242 1243 dpcd->data[p] = buf[t]; 1244 /* check for link training */ 1245 if (p == DPCD_TRAINING_PATTERN_SET) 1246 dp_aux_ch_ctl_link_training(dpcd, 1247 buf[t]); 1248 } 1249 } 1250 1251 /* ACK the write */ 1252 vgpu_vreg(vgpu, offset + 4) = 0; 1253 dp_aux_ch_ctl_trans_done(vgpu, data, offset, 1, 1254 dpcd && dpcd->data_valid); 1255 return 0; 1256 } 1257 1258 if (op == GVT_AUX_NATIVE_READ) { 1259 int idx, i, ret = 0; 1260 1261 if ((addr + len + 1) >= DPCD_SIZE) { 1262 /* 1263 * read request exceeds what we supported 1264 * DPCD spec: A Sink Device receiving a Native AUX CH 1265 * read request for an unsupported DPCD address must 1266 * reply with an AUX ACK and read data set equal to 1267 * zero instead of replying with AUX NACK. 1268 */ 1269 1270 /* ACK the READ*/ 1271 vgpu_vreg(vgpu, offset + 4) = 0; 1272 vgpu_vreg(vgpu, offset + 8) = 0; 1273 vgpu_vreg(vgpu, offset + 12) = 0; 1274 vgpu_vreg(vgpu, offset + 16) = 0; 1275 vgpu_vreg(vgpu, offset + 20) = 0; 1276 1277 dp_aux_ch_ctl_trans_done(vgpu, data, offset, len + 2, 1278 true); 1279 return 0; 1280 } 1281 1282 for (idx = 1; idx <= 5; idx++) { 1283 /* clear the data registers */ 1284 vgpu_vreg(vgpu, offset + 4 * idx) = 0; 1285 } 1286 1287 /* 1288 * Read reply format: ACK (1 byte) plus (len + 1) bytes of data. 1289 */ 1290 if ((len + 2) > AUX_BURST_SIZE) { 1291 gvt_vgpu_err("dp_aux_header: len %d is too large\n", len); 1292 return -EINVAL; 1293 } 1294 1295 /* read from virtual DPCD to vreg */ 1296 /* first 4 bytes: [ACK][addr][addr+1][addr+2] */ 1297 if (dpcd && dpcd->data_valid) { 1298 for (i = 1; i <= (len + 1); i++) { 1299 int t; 1300 1301 t = dpcd->data[addr + i - 1]; 1302 t <<= (24 - 8 * (i % 4)); 1303 ret |= t; 1304 1305 if ((i % 4 == 3) || (i == (len + 1))) { 1306 vgpu_vreg(vgpu, offset + 1307 (i / 4 + 1) * 4) = ret; 1308 ret = 0; 1309 } 1310 } 1311 } 1312 dp_aux_ch_ctl_trans_done(vgpu, data, offset, len + 2, 1313 dpcd && dpcd->data_valid); 1314 return 0; 1315 } 1316 1317 /* i2c transaction starts */ 1318 intel_gvt_i2c_handle_aux_ch_write(vgpu, port_index, offset, p_data); 1319 1320 if (data & DP_AUX_CH_CTL_INTERRUPT) 1321 trigger_aux_channel_interrupt(vgpu, offset); 1322 return 0; 1323 } 1324 1325 static int mbctl_write(struct intel_vgpu *vgpu, unsigned int offset, 1326 void *p_data, unsigned int bytes) 1327 { 1328 *(u32 *)p_data &= (~GEN6_MBCTL_ENABLE_BOOT_FETCH); 1329 write_vreg(vgpu, offset, p_data, bytes); 1330 return 0; 1331 } 1332 1333 static int vga_control_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, 1334 void *p_data, unsigned int bytes) 1335 { 1336 bool vga_disable; 1337 1338 write_vreg(vgpu, offset, p_data, bytes); 1339 vga_disable = vgpu_vreg(vgpu, offset) & VGA_DISP_DISABLE; 1340 1341 gvt_dbg_core("vgpu%d: %s VGA mode\n", vgpu->id, 1342 vga_disable ? "Disable" : "Enable"); 1343 return 0; 1344 } 1345 1346 static u32 read_virtual_sbi_register(struct intel_vgpu *vgpu, 1347 unsigned int sbi_offset) 1348 { 1349 struct intel_vgpu_display *display = &vgpu->display; 1350 int num = display->sbi.number; 1351 int i; 1352 1353 for (i = 0; i < num; ++i) 1354 if (display->sbi.registers[i].offset == sbi_offset) 1355 break; 1356 1357 if (i == num) 1358 return 0; 1359 1360 return display->sbi.registers[i].value; 1361 } 1362 1363 static void write_virtual_sbi_register(struct intel_vgpu *vgpu, 1364 unsigned int offset, u32 value) 1365 { 1366 struct intel_vgpu_display *display = &vgpu->display; 1367 int num = display->sbi.number; 1368 int i; 1369 1370 for (i = 0; i < num; ++i) { 1371 if (display->sbi.registers[i].offset == offset) 1372 break; 1373 } 1374 1375 if (i == num) { 1376 if (num == SBI_REG_MAX) { 1377 gvt_vgpu_err("SBI caching meets maximum limits\n"); 1378 return; 1379 } 1380 display->sbi.number++; 1381 } 1382 1383 display->sbi.registers[i].offset = offset; 1384 display->sbi.registers[i].value = value; 1385 } 1386 1387 static int sbi_data_mmio_read(struct intel_vgpu *vgpu, unsigned int offset, 1388 void *p_data, unsigned int bytes) 1389 { 1390 if (((vgpu_vreg_t(vgpu, SBI_CTL_STAT) & SBI_OPCODE_MASK) >> 1391 SBI_OPCODE_SHIFT) == SBI_CMD_CRRD) { 1392 unsigned int sbi_offset = (vgpu_vreg_t(vgpu, SBI_ADDR) & 1393 SBI_ADDR_OFFSET_MASK) >> SBI_ADDR_OFFSET_SHIFT; 1394 vgpu_vreg(vgpu, offset) = read_virtual_sbi_register(vgpu, 1395 sbi_offset); 1396 } 1397 read_vreg(vgpu, offset, p_data, bytes); 1398 return 0; 1399 } 1400 1401 static int sbi_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, 1402 void *p_data, unsigned int bytes) 1403 { 1404 u32 data; 1405 1406 write_vreg(vgpu, offset, p_data, bytes); 1407 data = vgpu_vreg(vgpu, offset); 1408 1409 data &= ~(SBI_STAT_MASK << SBI_STAT_SHIFT); 1410 data |= SBI_READY; 1411 1412 data &= ~(SBI_RESPONSE_MASK << SBI_RESPONSE_SHIFT); 1413 data |= SBI_RESPONSE_SUCCESS; 1414 1415 vgpu_vreg(vgpu, offset) = data; 1416 1417 if (((vgpu_vreg_t(vgpu, SBI_CTL_STAT) & SBI_OPCODE_MASK) >> 1418 SBI_OPCODE_SHIFT) == SBI_CMD_CRWR) { 1419 unsigned int sbi_offset = (vgpu_vreg_t(vgpu, SBI_ADDR) & 1420 SBI_ADDR_OFFSET_MASK) >> SBI_ADDR_OFFSET_SHIFT; 1421 1422 write_virtual_sbi_register(vgpu, sbi_offset, 1423 vgpu_vreg_t(vgpu, SBI_DATA)); 1424 } 1425 return 0; 1426 } 1427 1428 #define _vgtif_reg(x) \ 1429 (VGT_PVINFO_PAGE + offsetof(struct vgt_if, x)) 1430 1431 static int pvinfo_mmio_read(struct intel_vgpu *vgpu, unsigned int offset, 1432 void *p_data, unsigned int bytes) 1433 { 1434 bool invalid_read = false; 1435 1436 read_vreg(vgpu, offset, p_data, bytes); 1437 1438 switch (offset) { 1439 case _vgtif_reg(magic) ... _vgtif_reg(vgt_id): 1440 if (offset + bytes > _vgtif_reg(vgt_id) + 4) 1441 invalid_read = true; 1442 break; 1443 case _vgtif_reg(avail_rs.mappable_gmadr.base) ... 1444 _vgtif_reg(avail_rs.fence_num): 1445 if (offset + bytes > 1446 _vgtif_reg(avail_rs.fence_num) + 4) 1447 invalid_read = true; 1448 break; 1449 case 0x78010: /* vgt_caps */ 1450 case 0x7881c: 1451 break; 1452 default: 1453 invalid_read = true; 1454 break; 1455 } 1456 if (invalid_read) 1457 gvt_vgpu_err("invalid pvinfo read: [%x:%x] = %x\n", 1458 offset, bytes, *(u32 *)p_data); 1459 vgpu->pv_notified = true; 1460 return 0; 1461 } 1462 1463 static int handle_g2v_notification(struct intel_vgpu *vgpu, int notification) 1464 { 1465 enum intel_gvt_gtt_type root_entry_type = GTT_TYPE_PPGTT_ROOT_L4_ENTRY; 1466 struct intel_vgpu_mm *mm; 1467 u64 *pdps; 1468 1469 pdps = (u64 *)&vgpu_vreg64_t(vgpu, vgtif_reg(pdp[0])); 1470 1471 switch (notification) { 1472 case VGT_G2V_PPGTT_L3_PAGE_TABLE_CREATE: 1473 root_entry_type = GTT_TYPE_PPGTT_ROOT_L3_ENTRY; 1474 fallthrough; 1475 case VGT_G2V_PPGTT_L4_PAGE_TABLE_CREATE: 1476 mm = intel_vgpu_get_ppgtt_mm(vgpu, root_entry_type, pdps); 1477 return PTR_ERR_OR_ZERO(mm); 1478 case VGT_G2V_PPGTT_L3_PAGE_TABLE_DESTROY: 1479 case VGT_G2V_PPGTT_L4_PAGE_TABLE_DESTROY: 1480 return intel_vgpu_put_ppgtt_mm(vgpu, pdps); 1481 case VGT_G2V_EXECLIST_CONTEXT_CREATE: 1482 case VGT_G2V_EXECLIST_CONTEXT_DESTROY: 1483 case 1: /* Remove this in guest driver. */ 1484 break; 1485 default: 1486 gvt_vgpu_err("Invalid PV notification %d\n", notification); 1487 } 1488 return 0; 1489 } 1490 1491 static int send_display_ready_uevent(struct intel_vgpu *vgpu, int ready) 1492 { 1493 struct kobject *kobj = &vgpu->gvt->gt->i915->drm.primary->kdev->kobj; 1494 char *env[3] = {NULL, NULL, NULL}; 1495 char vmid_str[20]; 1496 char display_ready_str[20]; 1497 1498 snprintf(display_ready_str, 20, "GVT_DISPLAY_READY=%d", ready); 1499 env[0] = display_ready_str; 1500 1501 snprintf(vmid_str, 20, "VMID=%d", vgpu->id); 1502 env[1] = vmid_str; 1503 1504 return kobject_uevent_env(kobj, KOBJ_ADD, env); 1505 } 1506 1507 static int pvinfo_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, 1508 void *p_data, unsigned int bytes) 1509 { 1510 u32 data = *(u32 *)p_data; 1511 bool invalid_write = false; 1512 1513 switch (offset) { 1514 case _vgtif_reg(display_ready): 1515 send_display_ready_uevent(vgpu, data ? 1 : 0); 1516 break; 1517 case _vgtif_reg(g2v_notify): 1518 handle_g2v_notification(vgpu, data); 1519 break; 1520 /* add xhot and yhot to handled list to avoid error log */ 1521 case _vgtif_reg(cursor_x_hot): 1522 case _vgtif_reg(cursor_y_hot): 1523 case _vgtif_reg(pdp[0].lo): 1524 case _vgtif_reg(pdp[0].hi): 1525 case _vgtif_reg(pdp[1].lo): 1526 case _vgtif_reg(pdp[1].hi): 1527 case _vgtif_reg(pdp[2].lo): 1528 case _vgtif_reg(pdp[2].hi): 1529 case _vgtif_reg(pdp[3].lo): 1530 case _vgtif_reg(pdp[3].hi): 1531 case _vgtif_reg(execlist_context_descriptor_lo): 1532 case _vgtif_reg(execlist_context_descriptor_hi): 1533 break; 1534 case _vgtif_reg(rsv5[0])..._vgtif_reg(rsv5[3]): 1535 invalid_write = true; 1536 enter_failsafe_mode(vgpu, GVT_FAILSAFE_INSUFFICIENT_RESOURCE); 1537 break; 1538 default: 1539 invalid_write = true; 1540 gvt_vgpu_err("invalid pvinfo write offset %x bytes %x data %x\n", 1541 offset, bytes, data); 1542 break; 1543 } 1544 1545 if (!invalid_write) 1546 write_vreg(vgpu, offset, p_data, bytes); 1547 1548 return 0; 1549 } 1550 1551 static int pf_write(struct intel_vgpu *vgpu, 1552 unsigned int offset, void *p_data, unsigned int bytes) 1553 { 1554 struct drm_i915_private *i915 = vgpu->gvt->gt->i915; 1555 u32 val = *(u32 *)p_data; 1556 1557 if ((offset == _PS_1A_CTRL || offset == _PS_2A_CTRL || 1558 offset == _PS_1B_CTRL || offset == _PS_2B_CTRL || 1559 offset == _PS_1C_CTRL) && (val & PS_PLANE_SEL_MASK) != 0) { 1560 drm_WARN_ONCE(&i915->drm, true, 1561 "VM(%d): guest is trying to scaling a plane\n", 1562 vgpu->id); 1563 return 0; 1564 } 1565 1566 return intel_vgpu_default_mmio_write(vgpu, offset, p_data, bytes); 1567 } 1568 1569 static int power_well_ctl_mmio_write(struct intel_vgpu *vgpu, 1570 unsigned int offset, void *p_data, unsigned int bytes) 1571 { 1572 write_vreg(vgpu, offset, p_data, bytes); 1573 1574 if (vgpu_vreg(vgpu, offset) & 1575 HSW_PWR_WELL_CTL_REQ(HSW_PW_CTL_IDX_GLOBAL)) 1576 vgpu_vreg(vgpu, offset) |= 1577 HSW_PWR_WELL_CTL_STATE(HSW_PW_CTL_IDX_GLOBAL); 1578 else 1579 vgpu_vreg(vgpu, offset) &= 1580 ~HSW_PWR_WELL_CTL_STATE(HSW_PW_CTL_IDX_GLOBAL); 1581 return 0; 1582 } 1583 1584 static int gen9_dbuf_ctl_mmio_write(struct intel_vgpu *vgpu, 1585 unsigned int offset, void *p_data, unsigned int bytes) 1586 { 1587 write_vreg(vgpu, offset, p_data, bytes); 1588 1589 if (vgpu_vreg(vgpu, offset) & DBUF_POWER_REQUEST) 1590 vgpu_vreg(vgpu, offset) |= DBUF_POWER_STATE; 1591 else 1592 vgpu_vreg(vgpu, offset) &= ~DBUF_POWER_STATE; 1593 1594 return 0; 1595 } 1596 1597 static int fpga_dbg_mmio_write(struct intel_vgpu *vgpu, 1598 unsigned int offset, void *p_data, unsigned int bytes) 1599 { 1600 write_vreg(vgpu, offset, p_data, bytes); 1601 1602 if (vgpu_vreg(vgpu, offset) & FPGA_DBG_RM_NOCLAIM) 1603 vgpu_vreg(vgpu, offset) &= ~FPGA_DBG_RM_NOCLAIM; 1604 return 0; 1605 } 1606 1607 static int dma_ctrl_write(struct intel_vgpu *vgpu, unsigned int offset, 1608 void *p_data, unsigned int bytes) 1609 { 1610 struct drm_i915_private *i915 = vgpu->gvt->gt->i915; 1611 u32 mode; 1612 1613 write_vreg(vgpu, offset, p_data, bytes); 1614 mode = vgpu_vreg(vgpu, offset); 1615 1616 if (GFX_MODE_BIT_SET_IN_MASK(mode, START_DMA)) { 1617 drm_WARN_ONCE(&i915->drm, 1, 1618 "VM(%d): iGVT-g doesn't support GuC\n", 1619 vgpu->id); 1620 return 0; 1621 } 1622 1623 return 0; 1624 } 1625 1626 static int gen9_trtte_write(struct intel_vgpu *vgpu, unsigned int offset, 1627 void *p_data, unsigned int bytes) 1628 { 1629 struct drm_i915_private *i915 = vgpu->gvt->gt->i915; 1630 u32 trtte = *(u32 *)p_data; 1631 1632 if ((trtte & 1) && (trtte & (1 << 1)) == 0) { 1633 drm_WARN(&i915->drm, 1, 1634 "VM(%d): Use physical address for TRTT!\n", 1635 vgpu->id); 1636 return -EINVAL; 1637 } 1638 write_vreg(vgpu, offset, p_data, bytes); 1639 1640 return 0; 1641 } 1642 1643 static int gen9_trtt_chicken_write(struct intel_vgpu *vgpu, unsigned int offset, 1644 void *p_data, unsigned int bytes) 1645 { 1646 write_vreg(vgpu, offset, p_data, bytes); 1647 return 0; 1648 } 1649 1650 static int dpll_status_read(struct intel_vgpu *vgpu, unsigned int offset, 1651 void *p_data, unsigned int bytes) 1652 { 1653 u32 v = 0; 1654 1655 if (vgpu_vreg(vgpu, 0x46010) & (1 << 31)) 1656 v |= (1 << 0); 1657 1658 if (vgpu_vreg(vgpu, 0x46014) & (1 << 31)) 1659 v |= (1 << 8); 1660 1661 if (vgpu_vreg(vgpu, 0x46040) & (1 << 31)) 1662 v |= (1 << 16); 1663 1664 if (vgpu_vreg(vgpu, 0x46060) & (1 << 31)) 1665 v |= (1 << 24); 1666 1667 vgpu_vreg(vgpu, offset) = v; 1668 1669 return intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes); 1670 } 1671 1672 static int mailbox_write(struct intel_vgpu *vgpu, unsigned int offset, 1673 void *p_data, unsigned int bytes) 1674 { 1675 u32 value = *(u32 *)p_data; 1676 u32 cmd = value & 0xff; 1677 u32 *data0 = &vgpu_vreg_t(vgpu, GEN6_PCODE_DATA); 1678 1679 switch (cmd) { 1680 case GEN9_PCODE_READ_MEM_LATENCY: 1681 if (IS_SKYLAKE(vgpu->gvt->gt->i915) || 1682 IS_KABYLAKE(vgpu->gvt->gt->i915) || 1683 IS_COFFEELAKE(vgpu->gvt->gt->i915) || 1684 IS_COMETLAKE(vgpu->gvt->gt->i915)) { 1685 /** 1686 * "Read memory latency" command on gen9. 1687 * Below memory latency values are read 1688 * from skylake platform. 1689 */ 1690 if (!*data0) 1691 *data0 = 0x1e1a1100; 1692 else 1693 *data0 = 0x61514b3d; 1694 } else if (IS_BROXTON(vgpu->gvt->gt->i915)) { 1695 /** 1696 * "Read memory latency" command on gen9. 1697 * Below memory latency values are read 1698 * from Broxton MRB. 1699 */ 1700 if (!*data0) 1701 *data0 = 0x16080707; 1702 else 1703 *data0 = 0x16161616; 1704 } 1705 break; 1706 case SKL_PCODE_CDCLK_CONTROL: 1707 if (IS_SKYLAKE(vgpu->gvt->gt->i915) || 1708 IS_KABYLAKE(vgpu->gvt->gt->i915) || 1709 IS_COFFEELAKE(vgpu->gvt->gt->i915) || 1710 IS_COMETLAKE(vgpu->gvt->gt->i915)) 1711 *data0 = SKL_CDCLK_READY_FOR_CHANGE; 1712 break; 1713 case GEN6_PCODE_READ_RC6VIDS: 1714 *data0 |= 0x1; 1715 break; 1716 } 1717 1718 gvt_dbg_core("VM(%d) write %x to mailbox, return data0 %x\n", 1719 vgpu->id, value, *data0); 1720 /** 1721 * PCODE_READY clear means ready for pcode read/write, 1722 * PCODE_ERROR_MASK clear means no error happened. In GVT-g we 1723 * always emulate as pcode read/write success and ready for access 1724 * anytime, since we don't touch real physical registers here. 1725 */ 1726 value &= ~(GEN6_PCODE_READY | GEN6_PCODE_ERROR_MASK); 1727 return intel_vgpu_default_mmio_write(vgpu, offset, &value, bytes); 1728 } 1729 1730 static int hws_pga_write(struct intel_vgpu *vgpu, unsigned int offset, 1731 void *p_data, unsigned int bytes) 1732 { 1733 u32 value = *(u32 *)p_data; 1734 const struct intel_engine_cs *engine = 1735 intel_gvt_render_mmio_to_engine(vgpu->gvt, offset); 1736 1737 if (value != 0 && 1738 !intel_gvt_ggtt_validate_range(vgpu, value, I915_GTT_PAGE_SIZE)) { 1739 gvt_vgpu_err("write invalid HWSP address, reg:0x%x, value:0x%x\n", 1740 offset, value); 1741 return -EINVAL; 1742 } 1743 1744 /* 1745 * Need to emulate all the HWSP register write to ensure host can 1746 * update the VM CSB status correctly. Here listed registers can 1747 * support BDW, SKL or other platforms with same HWSP registers. 1748 */ 1749 if (unlikely(!engine)) { 1750 gvt_vgpu_err("access unknown hardware status page register:0x%x\n", 1751 offset); 1752 return -EINVAL; 1753 } 1754 vgpu->hws_pga[engine->id] = value; 1755 gvt_dbg_mmio("VM(%d) write: 0x%x to HWSP: 0x%x\n", 1756 vgpu->id, value, offset); 1757 1758 return intel_vgpu_default_mmio_write(vgpu, offset, &value, bytes); 1759 } 1760 1761 static int skl_power_well_ctl_write(struct intel_vgpu *vgpu, 1762 unsigned int offset, void *p_data, unsigned int bytes) 1763 { 1764 u32 v = *(u32 *)p_data; 1765 1766 if (IS_BROXTON(vgpu->gvt->gt->i915)) 1767 v &= (1 << 31) | (1 << 29); 1768 else 1769 v &= (1 << 31) | (1 << 29) | (1 << 9) | 1770 (1 << 7) | (1 << 5) | (1 << 3) | (1 << 1); 1771 v |= (v >> 1); 1772 1773 return intel_vgpu_default_mmio_write(vgpu, offset, &v, bytes); 1774 } 1775 1776 static int skl_lcpll_write(struct intel_vgpu *vgpu, unsigned int offset, 1777 void *p_data, unsigned int bytes) 1778 { 1779 u32 v = *(u32 *)p_data; 1780 1781 /* other bits are MBZ. */ 1782 v &= (1 << 31) | (1 << 30); 1783 v & (1 << 31) ? (v |= (1 << 30)) : (v &= ~(1 << 30)); 1784 1785 vgpu_vreg(vgpu, offset) = v; 1786 1787 return 0; 1788 } 1789 1790 static int bxt_de_pll_enable_write(struct intel_vgpu *vgpu, 1791 unsigned int offset, void *p_data, unsigned int bytes) 1792 { 1793 u32 v = *(u32 *)p_data; 1794 1795 if (v & BXT_DE_PLL_PLL_ENABLE) 1796 v |= BXT_DE_PLL_LOCK; 1797 1798 vgpu_vreg(vgpu, offset) = v; 1799 1800 return 0; 1801 } 1802 1803 static int bxt_port_pll_enable_write(struct intel_vgpu *vgpu, 1804 unsigned int offset, void *p_data, unsigned int bytes) 1805 { 1806 u32 v = *(u32 *)p_data; 1807 1808 if (v & PORT_PLL_ENABLE) 1809 v |= PORT_PLL_LOCK; 1810 1811 vgpu_vreg(vgpu, offset) = v; 1812 1813 return 0; 1814 } 1815 1816 static int bxt_phy_ctl_family_write(struct intel_vgpu *vgpu, 1817 unsigned int offset, void *p_data, unsigned int bytes) 1818 { 1819 u32 v = *(u32 *)p_data; 1820 u32 data = v & COMMON_RESET_DIS ? BXT_PHY_LANE_ENABLED : 0; 1821 1822 switch (offset) { 1823 case _PHY_CTL_FAMILY_EDP: 1824 vgpu_vreg(vgpu, _BXT_PHY_CTL_DDI_A) = data; 1825 break; 1826 case _PHY_CTL_FAMILY_DDI: 1827 vgpu_vreg(vgpu, _BXT_PHY_CTL_DDI_B) = data; 1828 vgpu_vreg(vgpu, _BXT_PHY_CTL_DDI_C) = data; 1829 break; 1830 } 1831 1832 vgpu_vreg(vgpu, offset) = v; 1833 1834 return 0; 1835 } 1836 1837 static int bxt_port_tx_dw3_read(struct intel_vgpu *vgpu, 1838 unsigned int offset, void *p_data, unsigned int bytes) 1839 { 1840 u32 v = vgpu_vreg(vgpu, offset); 1841 1842 v &= ~UNIQUE_TRANGE_EN_METHOD; 1843 1844 vgpu_vreg(vgpu, offset) = v; 1845 1846 return intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes); 1847 } 1848 1849 static int bxt_pcs_dw12_grp_write(struct intel_vgpu *vgpu, 1850 unsigned int offset, void *p_data, unsigned int bytes) 1851 { 1852 u32 v = *(u32 *)p_data; 1853 1854 if (offset == _PORT_PCS_DW12_GRP_A || offset == _PORT_PCS_DW12_GRP_B) { 1855 vgpu_vreg(vgpu, offset - 0x600) = v; 1856 vgpu_vreg(vgpu, offset - 0x800) = v; 1857 } else { 1858 vgpu_vreg(vgpu, offset - 0x400) = v; 1859 vgpu_vreg(vgpu, offset - 0x600) = v; 1860 } 1861 1862 vgpu_vreg(vgpu, offset) = v; 1863 1864 return 0; 1865 } 1866 1867 static int bxt_gt_disp_pwron_write(struct intel_vgpu *vgpu, 1868 unsigned int offset, void *p_data, unsigned int bytes) 1869 { 1870 u32 v = *(u32 *)p_data; 1871 1872 if (v & BIT(0)) { 1873 vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY0)) &= 1874 ~PHY_RESERVED; 1875 vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY0)) |= 1876 PHY_POWER_GOOD; 1877 } 1878 1879 if (v & BIT(1)) { 1880 vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY1)) &= 1881 ~PHY_RESERVED; 1882 vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY1)) |= 1883 PHY_POWER_GOOD; 1884 } 1885 1886 1887 vgpu_vreg(vgpu, offset) = v; 1888 1889 return 0; 1890 } 1891 1892 static int edp_psr_imr_iir_write(struct intel_vgpu *vgpu, 1893 unsigned int offset, void *p_data, unsigned int bytes) 1894 { 1895 vgpu_vreg(vgpu, offset) = 0; 1896 return 0; 1897 } 1898 1899 /* 1900 * FixMe: 1901 * If guest fills non-priv batch buffer on ApolloLake/Broxton as Mesa i965 did: 1902 * 717e7539124d (i965: Use a WC map and memcpy for the batch instead of pwrite.) 1903 * Due to the missing flush of bb filled by VM vCPU, host GPU hangs on executing 1904 * these MI_BATCH_BUFFER. 1905 * Temporarily workaround this by setting SNOOP bit for PAT3 used by PPGTT 1906 * PML4 PTE: PAT(0) PCD(1) PWT(1). 1907 * The performance is still expected to be low, will need further improvement. 1908 */ 1909 static int bxt_ppat_low_write(struct intel_vgpu *vgpu, unsigned int offset, 1910 void *p_data, unsigned int bytes) 1911 { 1912 u64 pat = 1913 GEN8_PPAT(0, CHV_PPAT_SNOOP) | 1914 GEN8_PPAT(1, 0) | 1915 GEN8_PPAT(2, 0) | 1916 GEN8_PPAT(3, CHV_PPAT_SNOOP) | 1917 GEN8_PPAT(4, CHV_PPAT_SNOOP) | 1918 GEN8_PPAT(5, CHV_PPAT_SNOOP) | 1919 GEN8_PPAT(6, CHV_PPAT_SNOOP) | 1920 GEN8_PPAT(7, CHV_PPAT_SNOOP); 1921 1922 vgpu_vreg(vgpu, offset) = lower_32_bits(pat); 1923 1924 return 0; 1925 } 1926 1927 static int guc_status_read(struct intel_vgpu *vgpu, 1928 unsigned int offset, void *p_data, 1929 unsigned int bytes) 1930 { 1931 /* keep MIA_IN_RESET before clearing */ 1932 read_vreg(vgpu, offset, p_data, bytes); 1933 vgpu_vreg(vgpu, offset) &= ~GS_MIA_IN_RESET; 1934 return 0; 1935 } 1936 1937 static int mmio_read_from_hw(struct intel_vgpu *vgpu, 1938 unsigned int offset, void *p_data, unsigned int bytes) 1939 { 1940 struct intel_gvt *gvt = vgpu->gvt; 1941 const struct intel_engine_cs *engine = 1942 intel_gvt_render_mmio_to_engine(gvt, offset); 1943 1944 /** 1945 * Read HW reg in following case 1946 * a. the offset isn't a ring mmio 1947 * b. the offset's ring is running on hw. 1948 * c. the offset is ring time stamp mmio 1949 */ 1950 1951 if (!engine || 1952 vgpu == gvt->scheduler.engine_owner[engine->id] || 1953 offset == i915_mmio_reg_offset(RING_TIMESTAMP(engine->mmio_base)) || 1954 offset == i915_mmio_reg_offset(RING_TIMESTAMP_UDW(engine->mmio_base))) { 1955 mmio_hw_access_pre(gvt->gt); 1956 vgpu_vreg(vgpu, offset) = 1957 intel_uncore_read(gvt->gt->uncore, _MMIO(offset)); 1958 mmio_hw_access_post(gvt->gt); 1959 } 1960 1961 return intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes); 1962 } 1963 1964 static int elsp_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, 1965 void *p_data, unsigned int bytes) 1966 { 1967 struct drm_i915_private *i915 = vgpu->gvt->gt->i915; 1968 const struct intel_engine_cs *engine = intel_gvt_render_mmio_to_engine(vgpu->gvt, offset); 1969 struct intel_vgpu_execlist *execlist; 1970 u32 data = *(u32 *)p_data; 1971 int ret = 0; 1972 1973 if (drm_WARN_ON(&i915->drm, !engine)) 1974 return -EINVAL; 1975 1976 /* 1977 * Due to d3_entered is used to indicate skipping PPGTT invalidation on 1978 * vGPU reset, it's set on D0->D3 on PCI config write, and cleared after 1979 * vGPU reset if in resuming. 1980 * In S0ix exit, the device power state also transite from D3 to D0 as 1981 * S3 resume, but no vGPU reset (triggered by QEMU devic model). After 1982 * S0ix exit, all engines continue to work. However the d3_entered 1983 * remains set which will break next vGPU reset logic (miss the expected 1984 * PPGTT invalidation). 1985 * Engines can only work in D0. Thus the 1st elsp write gives GVT a 1986 * chance to clear d3_entered. 1987 */ 1988 if (vgpu->d3_entered) 1989 vgpu->d3_entered = false; 1990 1991 execlist = &vgpu->submission.execlist[engine->id]; 1992 1993 execlist->elsp_dwords.data[3 - execlist->elsp_dwords.index] = data; 1994 if (execlist->elsp_dwords.index == 3) { 1995 ret = intel_vgpu_submit_execlist(vgpu, engine); 1996 if(ret) 1997 gvt_vgpu_err("fail submit workload on ring %s\n", 1998 engine->name); 1999 } 2000 2001 ++execlist->elsp_dwords.index; 2002 execlist->elsp_dwords.index &= 0x3; 2003 return ret; 2004 } 2005 2006 static int ring_mode_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, 2007 void *p_data, unsigned int bytes) 2008 { 2009 u32 data = *(u32 *)p_data; 2010 const struct intel_engine_cs *engine = 2011 intel_gvt_render_mmio_to_engine(vgpu->gvt, offset); 2012 bool enable_execlist; 2013 int ret; 2014 2015 (*(u32 *)p_data) &= ~_MASKED_BIT_ENABLE(1); 2016 if (IS_COFFEELAKE(vgpu->gvt->gt->i915) || 2017 IS_COMETLAKE(vgpu->gvt->gt->i915)) 2018 (*(u32 *)p_data) &= ~_MASKED_BIT_ENABLE(2); 2019 write_vreg(vgpu, offset, p_data, bytes); 2020 2021 if (IS_MASKED_BITS_ENABLED(data, 1)) { 2022 enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST); 2023 return 0; 2024 } 2025 2026 if ((IS_COFFEELAKE(vgpu->gvt->gt->i915) || 2027 IS_COMETLAKE(vgpu->gvt->gt->i915)) && 2028 IS_MASKED_BITS_ENABLED(data, 2)) { 2029 enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST); 2030 return 0; 2031 } 2032 2033 /* when PPGTT mode enabled, we will check if guest has called 2034 * pvinfo, if not, we will treat this guest as non-gvtg-aware 2035 * guest, and stop emulating its cfg space, mmio, gtt, etc. 2036 */ 2037 if ((IS_MASKED_BITS_ENABLED(data, GFX_PPGTT_ENABLE) || 2038 IS_MASKED_BITS_ENABLED(data, GFX_RUN_LIST_ENABLE)) && 2039 !vgpu->pv_notified) { 2040 enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST); 2041 return 0; 2042 } 2043 if (IS_MASKED_BITS_ENABLED(data, GFX_RUN_LIST_ENABLE) || 2044 IS_MASKED_BITS_DISABLED(data, GFX_RUN_LIST_ENABLE)) { 2045 enable_execlist = !!(data & GFX_RUN_LIST_ENABLE); 2046 2047 gvt_dbg_core("EXECLIST %s on ring %s\n", 2048 (enable_execlist ? "enabling" : "disabling"), 2049 engine->name); 2050 2051 if (!enable_execlist) 2052 return 0; 2053 2054 ret = intel_vgpu_select_submission_ops(vgpu, 2055 engine->mask, 2056 INTEL_VGPU_EXECLIST_SUBMISSION); 2057 if (ret) 2058 return ret; 2059 2060 intel_vgpu_start_schedule(vgpu); 2061 } 2062 return 0; 2063 } 2064 2065 static int gvt_reg_tlb_control_handler(struct intel_vgpu *vgpu, 2066 unsigned int offset, void *p_data, unsigned int bytes) 2067 { 2068 unsigned int id = 0; 2069 2070 write_vreg(vgpu, offset, p_data, bytes); 2071 vgpu_vreg(vgpu, offset) = 0; 2072 2073 switch (offset) { 2074 case 0x4260: 2075 id = RCS0; 2076 break; 2077 case 0x4264: 2078 id = VCS0; 2079 break; 2080 case 0x4268: 2081 id = VCS1; 2082 break; 2083 case 0x426c: 2084 id = BCS0; 2085 break; 2086 case 0x4270: 2087 id = VECS0; 2088 break; 2089 default: 2090 return -EINVAL; 2091 } 2092 set_bit(id, (void *)vgpu->submission.tlb_handle_pending); 2093 2094 return 0; 2095 } 2096 2097 static int ring_reset_ctl_write(struct intel_vgpu *vgpu, 2098 unsigned int offset, void *p_data, unsigned int bytes) 2099 { 2100 u32 data; 2101 2102 write_vreg(vgpu, offset, p_data, bytes); 2103 data = vgpu_vreg(vgpu, offset); 2104 2105 if (IS_MASKED_BITS_ENABLED(data, RESET_CTL_REQUEST_RESET)) 2106 data |= RESET_CTL_READY_TO_RESET; 2107 else if (data & _MASKED_BIT_DISABLE(RESET_CTL_REQUEST_RESET)) 2108 data &= ~RESET_CTL_READY_TO_RESET; 2109 2110 vgpu_vreg(vgpu, offset) = data; 2111 return 0; 2112 } 2113 2114 static int csfe_chicken1_mmio_write(struct intel_vgpu *vgpu, 2115 unsigned int offset, void *p_data, 2116 unsigned int bytes) 2117 { 2118 u32 data = *(u32 *)p_data; 2119 2120 (*(u32 *)p_data) &= ~_MASKED_BIT_ENABLE(0x18); 2121 write_vreg(vgpu, offset, p_data, bytes); 2122 2123 if (IS_MASKED_BITS_ENABLED(data, 0x10) || 2124 IS_MASKED_BITS_ENABLED(data, 0x8)) 2125 enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST); 2126 2127 return 0; 2128 } 2129 2130 #define MMIO_F(reg, s, f, am, rm, d, r, w) do { \ 2131 ret = setup_mmio_info(gvt, i915_mmio_reg_offset(reg), \ 2132 s, f, am, rm, d, r, w); \ 2133 if (ret) \ 2134 return ret; \ 2135 } while (0) 2136 2137 #define MMIO_DH(reg, d, r, w) \ 2138 MMIO_F(reg, 4, 0, 0, 0, d, r, w) 2139 2140 #define MMIO_DFH(reg, d, f, r, w) \ 2141 MMIO_F(reg, 4, f, 0, 0, d, r, w) 2142 2143 #define MMIO_GM(reg, d, r, w) \ 2144 MMIO_F(reg, 4, F_GMADR, 0xFFFFF000, 0, d, r, w) 2145 2146 #define MMIO_GM_RDR(reg, d, r, w) \ 2147 MMIO_F(reg, 4, F_GMADR | F_CMD_ACCESS, 0xFFFFF000, 0, d, r, w) 2148 2149 #define MMIO_RO(reg, d, f, rm, r, w) \ 2150 MMIO_F(reg, 4, F_RO | f, 0, rm, d, r, w) 2151 2152 #define MMIO_RING_F(prefix, s, f, am, rm, d, r, w) do { \ 2153 MMIO_F(prefix(RENDER_RING_BASE), s, f, am, rm, d, r, w); \ 2154 MMIO_F(prefix(BLT_RING_BASE), s, f, am, rm, d, r, w); \ 2155 MMIO_F(prefix(GEN6_BSD_RING_BASE), s, f, am, rm, d, r, w); \ 2156 MMIO_F(prefix(VEBOX_RING_BASE), s, f, am, rm, d, r, w); \ 2157 if (HAS_ENGINE(gvt->gt, VCS1)) \ 2158 MMIO_F(prefix(GEN8_BSD2_RING_BASE), s, f, am, rm, d, r, w); \ 2159 } while (0) 2160 2161 #define MMIO_RING_DFH(prefix, d, f, r, w) \ 2162 MMIO_RING_F(prefix, 4, f, 0, 0, d, r, w) 2163 2164 #define MMIO_RING_GM(prefix, d, r, w) \ 2165 MMIO_RING_F(prefix, 4, F_GMADR, 0xFFFF0000, 0, d, r, w) 2166 2167 #define MMIO_RING_GM_RDR(prefix, d, r, w) \ 2168 MMIO_RING_F(prefix, 4, F_GMADR | F_CMD_ACCESS, 0xFFFF0000, 0, d, r, w) 2169 2170 #define MMIO_RING_RO(prefix, d, f, rm, r, w) \ 2171 MMIO_RING_F(prefix, 4, F_RO | f, 0, rm, d, r, w) 2172 2173 static int init_generic_mmio_info(struct intel_gvt *gvt) 2174 { 2175 struct drm_i915_private *dev_priv = gvt->gt->i915; 2176 int ret; 2177 2178 MMIO_RING_DFH(RING_IMR, D_ALL, 0, NULL, 2179 intel_vgpu_reg_imr_handler); 2180 2181 MMIO_DFH(SDEIMR, D_ALL, 0, NULL, intel_vgpu_reg_imr_handler); 2182 MMIO_DFH(SDEIER, D_ALL, 0, NULL, intel_vgpu_reg_ier_handler); 2183 MMIO_DFH(SDEIIR, D_ALL, 0, NULL, intel_vgpu_reg_iir_handler); 2184 2185 MMIO_RING_DFH(RING_HWSTAM, D_ALL, 0, NULL, NULL); 2186 2187 2188 MMIO_DH(GEN8_GAMW_ECO_DEV_RW_IA, D_BDW_PLUS, NULL, 2189 gamw_echo_dev_rw_ia_write); 2190 2191 MMIO_GM_RDR(BSD_HWS_PGA_GEN7, D_ALL, NULL, NULL); 2192 MMIO_GM_RDR(BLT_HWS_PGA_GEN7, D_ALL, NULL, NULL); 2193 MMIO_GM_RDR(VEBOX_HWS_PGA_GEN7, D_ALL, NULL, NULL); 2194 2195 #define RING_REG(base) _MMIO((base) + 0x28) 2196 MMIO_RING_DFH(RING_REG, D_ALL, F_CMD_ACCESS, NULL, NULL); 2197 #undef RING_REG 2198 2199 #define RING_REG(base) _MMIO((base) + 0x134) 2200 MMIO_RING_DFH(RING_REG, D_ALL, F_CMD_ACCESS, NULL, NULL); 2201 #undef RING_REG 2202 2203 #define RING_REG(base) _MMIO((base) + 0x6c) 2204 MMIO_RING_DFH(RING_REG, D_ALL, 0, mmio_read_from_hw, NULL); 2205 #undef RING_REG 2206 MMIO_DH(GEN7_SC_INSTDONE, D_BDW_PLUS, mmio_read_from_hw, NULL); 2207 2208 MMIO_GM_RDR(_MMIO(0x2148), D_ALL, NULL, NULL); 2209 MMIO_GM_RDR(CCID(RENDER_RING_BASE), D_ALL, NULL, NULL); 2210 MMIO_GM_RDR(_MMIO(0x12198), D_ALL, NULL, NULL); 2211 2212 MMIO_RING_DFH(RING_TAIL, D_ALL, 0, NULL, NULL); 2213 MMIO_RING_DFH(RING_HEAD, D_ALL, 0, NULL, NULL); 2214 MMIO_RING_DFH(RING_CTL, D_ALL, 0, NULL, NULL); 2215 MMIO_RING_DFH(RING_ACTHD, D_ALL, 0, mmio_read_from_hw, NULL); 2216 MMIO_RING_GM(RING_START, D_ALL, NULL, NULL); 2217 2218 /* RING MODE */ 2219 #define RING_REG(base) _MMIO((base) + 0x29c) 2220 MMIO_RING_DFH(RING_REG, D_ALL, 2221 F_MODE_MASK | F_CMD_ACCESS | F_CMD_WRITE_PATCH, NULL, 2222 ring_mode_mmio_write); 2223 #undef RING_REG 2224 2225 MMIO_RING_DFH(RING_MI_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS, 2226 NULL, NULL); 2227 MMIO_RING_DFH(RING_INSTPM, D_ALL, F_MODE_MASK | F_CMD_ACCESS, 2228 NULL, NULL); 2229 MMIO_RING_DFH(RING_TIMESTAMP, D_ALL, F_CMD_ACCESS, 2230 mmio_read_from_hw, NULL); 2231 MMIO_RING_DFH(RING_TIMESTAMP_UDW, D_ALL, F_CMD_ACCESS, 2232 mmio_read_from_hw, NULL); 2233 2234 MMIO_DFH(GEN7_GT_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); 2235 MMIO_DFH(CACHE_MODE_0_GEN7, D_ALL, F_MODE_MASK | F_CMD_ACCESS, 2236 NULL, NULL); 2237 MMIO_DFH(CACHE_MODE_1, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); 2238 MMIO_DFH(CACHE_MODE_0, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); 2239 MMIO_DFH(_MMIO(0x2124), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); 2240 2241 MMIO_DFH(_MMIO(0x20dc), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); 2242 MMIO_DFH(_3D_CHICKEN3, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); 2243 MMIO_DFH(_MMIO(0x2088), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); 2244 MMIO_DFH(FF_SLICE_CS_CHICKEN2, D_ALL, 2245 F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); 2246 MMIO_DFH(_MMIO(0x2470), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); 2247 MMIO_DFH(GAM_ECOCHK, D_ALL, F_CMD_ACCESS, NULL, NULL); 2248 MMIO_DFH(GEN7_COMMON_SLICE_CHICKEN1, D_ALL, F_MODE_MASK | F_CMD_ACCESS, 2249 NULL, NULL); 2250 MMIO_DFH(COMMON_SLICE_CHICKEN2, D_ALL, F_MODE_MASK | F_CMD_ACCESS, 2251 NULL, NULL); 2252 MMIO_DFH(_MMIO(0x9030), D_ALL, F_CMD_ACCESS, NULL, NULL); 2253 MMIO_DFH(_MMIO(0x20a0), D_ALL, F_CMD_ACCESS, NULL, NULL); 2254 MMIO_DFH(_MMIO(0x2420), D_ALL, F_CMD_ACCESS, NULL, NULL); 2255 MMIO_DFH(_MMIO(0x2430), D_ALL, F_CMD_ACCESS, NULL, NULL); 2256 MMIO_DFH(_MMIO(0x2434), D_ALL, F_CMD_ACCESS, NULL, NULL); 2257 MMIO_DFH(_MMIO(0x2438), D_ALL, F_CMD_ACCESS, NULL, NULL); 2258 MMIO_DFH(_MMIO(0x243c), D_ALL, F_CMD_ACCESS, NULL, NULL); 2259 MMIO_DFH(_MMIO(0x7018), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); 2260 MMIO_DFH(HSW_HALF_SLICE_CHICKEN3, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); 2261 MMIO_DFH(GEN7_HALF_SLICE_CHICKEN1, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); 2262 2263 /* display */ 2264 MMIO_DH(PIPECONF(PIPE_A), D_ALL, NULL, pipeconf_mmio_write); 2265 MMIO_DH(PIPECONF(PIPE_B), D_ALL, NULL, pipeconf_mmio_write); 2266 MMIO_DH(PIPECONF(PIPE_C), D_ALL, NULL, pipeconf_mmio_write); 2267 MMIO_DH(PIPECONF(_PIPE_EDP), D_ALL, NULL, pipeconf_mmio_write); 2268 MMIO_DH(DSPSURF(PIPE_A), D_ALL, NULL, pri_surf_mmio_write); 2269 MMIO_DH(REG_50080(PIPE_A, PLANE_PRIMARY), D_ALL, NULL, 2270 reg50080_mmio_write); 2271 MMIO_DH(DSPSURF(PIPE_B), D_ALL, NULL, pri_surf_mmio_write); 2272 MMIO_DH(REG_50080(PIPE_B, PLANE_PRIMARY), D_ALL, NULL, 2273 reg50080_mmio_write); 2274 MMIO_DH(DSPSURF(PIPE_C), D_ALL, NULL, pri_surf_mmio_write); 2275 MMIO_DH(REG_50080(PIPE_C, PLANE_PRIMARY), D_ALL, NULL, 2276 reg50080_mmio_write); 2277 MMIO_DH(SPRSURF(PIPE_A), D_ALL, NULL, spr_surf_mmio_write); 2278 MMIO_DH(REG_50080(PIPE_A, PLANE_SPRITE0), D_ALL, NULL, 2279 reg50080_mmio_write); 2280 MMIO_DH(SPRSURF(PIPE_B), D_ALL, NULL, spr_surf_mmio_write); 2281 MMIO_DH(REG_50080(PIPE_B, PLANE_SPRITE0), D_ALL, NULL, 2282 reg50080_mmio_write); 2283 MMIO_DH(SPRSURF(PIPE_C), D_ALL, NULL, spr_surf_mmio_write); 2284 MMIO_DH(REG_50080(PIPE_C, PLANE_SPRITE0), D_ALL, NULL, 2285 reg50080_mmio_write); 2286 2287 MMIO_F(PCH_GMBUS0, 4 * 4, 0, 0, 0, D_ALL, gmbus_mmio_read, 2288 gmbus_mmio_write); 2289 MMIO_F(PCH_GPIO_BASE, 6 * 4, F_UNALIGN, 0, 0, D_ALL, NULL, NULL); 2290 2291 MMIO_F(_MMIO(_PCH_DPB_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_PRE_SKL, NULL, 2292 dp_aux_ch_ctl_mmio_write); 2293 MMIO_F(_MMIO(_PCH_DPC_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_PRE_SKL, NULL, 2294 dp_aux_ch_ctl_mmio_write); 2295 MMIO_F(_MMIO(_PCH_DPD_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_PRE_SKL, NULL, 2296 dp_aux_ch_ctl_mmio_write); 2297 2298 MMIO_DH(PCH_ADPA, D_PRE_SKL, NULL, pch_adpa_mmio_write); 2299 2300 MMIO_DH(_MMIO(_PCH_TRANSACONF), D_ALL, NULL, transconf_mmio_write); 2301 MMIO_DH(_MMIO(_PCH_TRANSBCONF), D_ALL, NULL, transconf_mmio_write); 2302 2303 MMIO_DH(FDI_RX_IIR(PIPE_A), D_ALL, NULL, fdi_rx_iir_mmio_write); 2304 MMIO_DH(FDI_RX_IIR(PIPE_B), D_ALL, NULL, fdi_rx_iir_mmio_write); 2305 MMIO_DH(FDI_RX_IIR(PIPE_C), D_ALL, NULL, fdi_rx_iir_mmio_write); 2306 MMIO_DH(FDI_RX_IMR(PIPE_A), D_ALL, NULL, update_fdi_rx_iir_status); 2307 MMIO_DH(FDI_RX_IMR(PIPE_B), D_ALL, NULL, update_fdi_rx_iir_status); 2308 MMIO_DH(FDI_RX_IMR(PIPE_C), D_ALL, NULL, update_fdi_rx_iir_status); 2309 MMIO_DH(FDI_RX_CTL(PIPE_A), D_ALL, NULL, update_fdi_rx_iir_status); 2310 MMIO_DH(FDI_RX_CTL(PIPE_B), D_ALL, NULL, update_fdi_rx_iir_status); 2311 MMIO_DH(FDI_RX_CTL(PIPE_C), D_ALL, NULL, update_fdi_rx_iir_status); 2312 MMIO_DH(PCH_PP_CONTROL, D_ALL, NULL, pch_pp_control_mmio_write); 2313 MMIO_DH(_MMIO(0xe651c), D_ALL, dpy_reg_mmio_read, NULL); 2314 MMIO_DH(_MMIO(0xe661c), D_ALL, dpy_reg_mmio_read, NULL); 2315 MMIO_DH(_MMIO(0xe671c), D_ALL, dpy_reg_mmio_read, NULL); 2316 MMIO_DH(_MMIO(0xe681c), D_ALL, dpy_reg_mmio_read, NULL); 2317 MMIO_DH(_MMIO(0xe6c04), D_ALL, dpy_reg_mmio_read, NULL); 2318 MMIO_DH(_MMIO(0xe6e1c), D_ALL, dpy_reg_mmio_read, NULL); 2319 2320 MMIO_RO(PCH_PORT_HOTPLUG, D_ALL, 0, 2321 PORTA_HOTPLUG_STATUS_MASK 2322 | PORTB_HOTPLUG_STATUS_MASK 2323 | PORTC_HOTPLUG_STATUS_MASK 2324 | PORTD_HOTPLUG_STATUS_MASK, 2325 NULL, NULL); 2326 2327 MMIO_DH(LCPLL_CTL, D_ALL, NULL, lcpll_ctl_mmio_write); 2328 MMIO_DH(SOUTH_CHICKEN2, D_ALL, NULL, south_chicken2_mmio_write); 2329 MMIO_DH(SFUSE_STRAP, D_ALL, NULL, NULL); 2330 MMIO_DH(SBI_DATA, D_ALL, sbi_data_mmio_read, NULL); 2331 MMIO_DH(SBI_CTL_STAT, D_ALL, NULL, sbi_ctl_mmio_write); 2332 2333 MMIO_F(_MMIO(_DPA_AUX_CH_CTL), 6 * 4, 0, 0, 0, D_ALL, NULL, 2334 dp_aux_ch_ctl_mmio_write); 2335 2336 MMIO_DH(DDI_BUF_CTL(PORT_A), D_ALL, NULL, ddi_buf_ctl_mmio_write); 2337 MMIO_DH(DDI_BUF_CTL(PORT_B), D_ALL, NULL, ddi_buf_ctl_mmio_write); 2338 MMIO_DH(DDI_BUF_CTL(PORT_C), D_ALL, NULL, ddi_buf_ctl_mmio_write); 2339 MMIO_DH(DDI_BUF_CTL(PORT_D), D_ALL, NULL, ddi_buf_ctl_mmio_write); 2340 MMIO_DH(DDI_BUF_CTL(PORT_E), D_ALL, NULL, ddi_buf_ctl_mmio_write); 2341 2342 MMIO_DH(DP_TP_CTL(PORT_A), D_ALL, NULL, dp_tp_ctl_mmio_write); 2343 MMIO_DH(DP_TP_CTL(PORT_B), D_ALL, NULL, dp_tp_ctl_mmio_write); 2344 MMIO_DH(DP_TP_CTL(PORT_C), D_ALL, NULL, dp_tp_ctl_mmio_write); 2345 MMIO_DH(DP_TP_CTL(PORT_D), D_ALL, NULL, dp_tp_ctl_mmio_write); 2346 MMIO_DH(DP_TP_CTL(PORT_E), D_ALL, NULL, dp_tp_ctl_mmio_write); 2347 2348 MMIO_DH(DP_TP_STATUS(PORT_A), D_ALL, NULL, dp_tp_status_mmio_write); 2349 MMIO_DH(DP_TP_STATUS(PORT_B), D_ALL, NULL, dp_tp_status_mmio_write); 2350 MMIO_DH(DP_TP_STATUS(PORT_C), D_ALL, NULL, dp_tp_status_mmio_write); 2351 MMIO_DH(DP_TP_STATUS(PORT_D), D_ALL, NULL, dp_tp_status_mmio_write); 2352 MMIO_DH(DP_TP_STATUS(PORT_E), D_ALL, NULL, NULL); 2353 2354 MMIO_DH(_MMIO(_TRANS_DDI_FUNC_CTL_A), D_ALL, NULL, NULL); 2355 MMIO_DH(_MMIO(_TRANS_DDI_FUNC_CTL_B), D_ALL, NULL, NULL); 2356 MMIO_DH(_MMIO(_TRANS_DDI_FUNC_CTL_C), D_ALL, NULL, NULL); 2357 MMIO_DH(_MMIO(_TRANS_DDI_FUNC_CTL_EDP), D_ALL, NULL, NULL); 2358 2359 MMIO_DH(FORCEWAKE, D_ALL, NULL, NULL); 2360 MMIO_DFH(GTFIFODBG, D_ALL, F_CMD_ACCESS, NULL, NULL); 2361 MMIO_DFH(GTFIFOCTL, D_ALL, F_CMD_ACCESS, NULL, NULL); 2362 MMIO_DH(FORCEWAKE_MT, D_PRE_SKL, NULL, mul_force_wake_write); 2363 MMIO_DH(FORCEWAKE_ACK_HSW, D_BDW, NULL, NULL); 2364 MMIO_DH(GEN6_RC_CONTROL, D_ALL, NULL, NULL); 2365 MMIO_DH(GEN6_RC_STATE, D_ALL, NULL, NULL); 2366 MMIO_DH(HSW_PWR_WELL_CTL1, D_BDW, NULL, power_well_ctl_mmio_write); 2367 MMIO_DH(HSW_PWR_WELL_CTL2, D_BDW, NULL, power_well_ctl_mmio_write); 2368 MMIO_DH(HSW_PWR_WELL_CTL3, D_BDW, NULL, power_well_ctl_mmio_write); 2369 MMIO_DH(HSW_PWR_WELL_CTL4, D_BDW, NULL, power_well_ctl_mmio_write); 2370 MMIO_DH(HSW_PWR_WELL_CTL5, D_BDW, NULL, power_well_ctl_mmio_write); 2371 MMIO_DH(HSW_PWR_WELL_CTL6, D_BDW, NULL, power_well_ctl_mmio_write); 2372 2373 MMIO_DH(GEN6_GDRST, D_ALL, NULL, gdrst_mmio_write); 2374 MMIO_F(FENCE_REG_GEN6_LO(0), 0x80, 0, 0, 0, D_ALL, fence_mmio_read, fence_mmio_write); 2375 MMIO_DH(CPU_VGACNTRL, D_ALL, NULL, vga_control_mmio_write); 2376 2377 MMIO_DH(GEN7_ERR_INT, D_ALL, NULL, NULL); 2378 MMIO_DH(GFX_FLSH_CNTL_GEN6, D_ALL, NULL, NULL); 2379 2380 MMIO_DH(GEN6_MBCTL, D_ALL, NULL, mbctl_write); 2381 MMIO_DFH(GEN7_UCGCTL4, D_ALL, F_CMD_ACCESS, NULL, NULL); 2382 2383 MMIO_DH(FPGA_DBG, D_ALL, NULL, fpga_dbg_mmio_write); 2384 MMIO_DFH(_MMIO(0x215c), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); 2385 MMIO_DFH(_MMIO(0x2178), D_ALL, F_CMD_ACCESS, NULL, NULL); 2386 MMIO_DFH(_MMIO(0x217c), D_ALL, F_CMD_ACCESS, NULL, NULL); 2387 MMIO_DFH(_MMIO(0x12178), D_ALL, F_CMD_ACCESS, NULL, NULL); 2388 MMIO_DFH(_MMIO(0x1217c), D_ALL, F_CMD_ACCESS, NULL, NULL); 2389 2390 MMIO_F(_MMIO(0x2290), 8, F_CMD_ACCESS, 0, 0, D_BDW_PLUS, NULL, NULL); 2391 MMIO_F(_MMIO(0x5200), 32, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL); 2392 MMIO_F(_MMIO(0x5240), 32, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL); 2393 MMIO_F(_MMIO(0x5280), 16, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL); 2394 2395 MMIO_DFH(_MMIO(0x1c17c), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); 2396 MMIO_DFH(_MMIO(0x1c178), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); 2397 MMIO_DFH(BCS_SWCTRL, D_ALL, F_CMD_ACCESS, NULL, NULL); 2398 2399 MMIO_F(HS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL); 2400 MMIO_F(DS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL); 2401 MMIO_F(IA_VERTICES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL); 2402 MMIO_F(IA_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL); 2403 MMIO_F(VS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL); 2404 MMIO_F(GS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL); 2405 MMIO_F(GS_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL); 2406 MMIO_F(CL_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL); 2407 MMIO_F(CL_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL); 2408 MMIO_F(PS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL); 2409 MMIO_F(PS_DEPTH_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL); 2410 MMIO_DH(_MMIO(0x4260), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler); 2411 MMIO_DH(_MMIO(0x4264), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler); 2412 MMIO_DH(_MMIO(0x4268), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler); 2413 MMIO_DH(_MMIO(0x426c), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler); 2414 MMIO_DH(_MMIO(0x4270), D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler); 2415 MMIO_DFH(_MMIO(0x4094), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); 2416 2417 MMIO_DFH(ARB_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); 2418 MMIO_RING_GM(RING_BBADDR, D_ALL, NULL, NULL); 2419 MMIO_DFH(_MMIO(0x2220), D_ALL, F_CMD_ACCESS, NULL, NULL); 2420 MMIO_DFH(_MMIO(0x12220), D_ALL, F_CMD_ACCESS, NULL, NULL); 2421 MMIO_DFH(_MMIO(0x22220), D_ALL, F_CMD_ACCESS, NULL, NULL); 2422 MMIO_RING_DFH(RING_SYNC_1, D_ALL, F_CMD_ACCESS, NULL, NULL); 2423 MMIO_RING_DFH(RING_SYNC_0, D_ALL, F_CMD_ACCESS, NULL, NULL); 2424 MMIO_DFH(_MMIO(0x22178), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); 2425 MMIO_DFH(_MMIO(0x1a178), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); 2426 MMIO_DFH(_MMIO(0x1a17c), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); 2427 MMIO_DFH(_MMIO(0x2217c), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); 2428 2429 MMIO_DH(EDP_PSR_IMR, D_BDW_PLUS, NULL, edp_psr_imr_iir_write); 2430 MMIO_DH(EDP_PSR_IIR, D_BDW_PLUS, NULL, edp_psr_imr_iir_write); 2431 MMIO_DH(GUC_STATUS, D_ALL, guc_status_read, NULL); 2432 2433 return 0; 2434 } 2435 2436 static int init_bdw_mmio_info(struct intel_gvt *gvt) 2437 { 2438 int ret; 2439 2440 MMIO_DH(GEN8_GT_IMR(0), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler); 2441 MMIO_DH(GEN8_GT_IER(0), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler); 2442 MMIO_DH(GEN8_GT_IIR(0), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler); 2443 2444 MMIO_DH(GEN8_GT_IMR(1), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler); 2445 MMIO_DH(GEN8_GT_IER(1), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler); 2446 MMIO_DH(GEN8_GT_IIR(1), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler); 2447 2448 MMIO_DH(GEN8_GT_IMR(2), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler); 2449 MMIO_DH(GEN8_GT_IER(2), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler); 2450 MMIO_DH(GEN8_GT_IIR(2), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler); 2451 2452 MMIO_DH(GEN8_GT_IMR(3), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler); 2453 MMIO_DH(GEN8_GT_IER(3), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler); 2454 MMIO_DH(GEN8_GT_IIR(3), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler); 2455 2456 MMIO_DH(GEN8_DE_PIPE_IMR(PIPE_A), D_BDW_PLUS, NULL, 2457 intel_vgpu_reg_imr_handler); 2458 MMIO_DH(GEN8_DE_PIPE_IER(PIPE_A), D_BDW_PLUS, NULL, 2459 intel_vgpu_reg_ier_handler); 2460 MMIO_DH(GEN8_DE_PIPE_IIR(PIPE_A), D_BDW_PLUS, NULL, 2461 intel_vgpu_reg_iir_handler); 2462 2463 MMIO_DH(GEN8_DE_PIPE_IMR(PIPE_B), D_BDW_PLUS, NULL, 2464 intel_vgpu_reg_imr_handler); 2465 MMIO_DH(GEN8_DE_PIPE_IER(PIPE_B), D_BDW_PLUS, NULL, 2466 intel_vgpu_reg_ier_handler); 2467 MMIO_DH(GEN8_DE_PIPE_IIR(PIPE_B), D_BDW_PLUS, NULL, 2468 intel_vgpu_reg_iir_handler); 2469 2470 MMIO_DH(GEN8_DE_PIPE_IMR(PIPE_C), D_BDW_PLUS, NULL, 2471 intel_vgpu_reg_imr_handler); 2472 MMIO_DH(GEN8_DE_PIPE_IER(PIPE_C), D_BDW_PLUS, NULL, 2473 intel_vgpu_reg_ier_handler); 2474 MMIO_DH(GEN8_DE_PIPE_IIR(PIPE_C), D_BDW_PLUS, NULL, 2475 intel_vgpu_reg_iir_handler); 2476 2477 MMIO_DH(GEN8_DE_PORT_IMR, D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler); 2478 MMIO_DH(GEN8_DE_PORT_IER, D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler); 2479 MMIO_DH(GEN8_DE_PORT_IIR, D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler); 2480 2481 MMIO_DH(GEN8_DE_MISC_IMR, D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler); 2482 MMIO_DH(GEN8_DE_MISC_IER, D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler); 2483 MMIO_DH(GEN8_DE_MISC_IIR, D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler); 2484 2485 MMIO_DH(GEN8_PCU_IMR, D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler); 2486 MMIO_DH(GEN8_PCU_IER, D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler); 2487 MMIO_DH(GEN8_PCU_IIR, D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler); 2488 2489 MMIO_DH(GEN8_MASTER_IRQ, D_BDW_PLUS, NULL, 2490 intel_vgpu_reg_master_irq_handler); 2491 2492 MMIO_RING_DFH(RING_ACTHD_UDW, D_BDW_PLUS, 0, 2493 mmio_read_from_hw, NULL); 2494 2495 #define RING_REG(base) _MMIO((base) + 0xd0) 2496 MMIO_RING_F(RING_REG, 4, F_RO, 0, 2497 ~_MASKED_BIT_ENABLE(RESET_CTL_REQUEST_RESET), D_BDW_PLUS, NULL, 2498 ring_reset_ctl_write); 2499 #undef RING_REG 2500 2501 #define RING_REG(base) _MMIO((base) + 0x230) 2502 MMIO_RING_DFH(RING_REG, D_BDW_PLUS, 0, NULL, elsp_mmio_write); 2503 #undef RING_REG 2504 2505 #define RING_REG(base) _MMIO((base) + 0x234) 2506 MMIO_RING_F(RING_REG, 8, F_RO, 0, ~0, D_BDW_PLUS, 2507 NULL, NULL); 2508 #undef RING_REG 2509 2510 #define RING_REG(base) _MMIO((base) + 0x244) 2511 MMIO_RING_DFH(RING_REG, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); 2512 #undef RING_REG 2513 2514 #define RING_REG(base) _MMIO((base) + 0x370) 2515 MMIO_RING_F(RING_REG, 48, F_RO, 0, ~0, D_BDW_PLUS, NULL, NULL); 2516 #undef RING_REG 2517 2518 #define RING_REG(base) _MMIO((base) + 0x3a0) 2519 MMIO_RING_DFH(RING_REG, D_BDW_PLUS, F_MODE_MASK, NULL, NULL); 2520 #undef RING_REG 2521 2522 MMIO_DH(GEN6_PCODE_MAILBOX, D_BDW_PLUS, NULL, mailbox_write); 2523 2524 #define RING_REG(base) _MMIO((base) + 0x270) 2525 MMIO_RING_F(RING_REG, 32, F_CMD_ACCESS, 0, 0, D_BDW_PLUS, NULL, NULL); 2526 #undef RING_REG 2527 2528 MMIO_RING_GM(RING_HWS_PGA, D_BDW_PLUS, NULL, hws_pga_write); 2529 2530 MMIO_DFH(HDC_CHICKEN0, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); 2531 2532 MMIO_DFH(GEN8_ROW_CHICKEN, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, 2533 NULL, NULL); 2534 MMIO_DFH(GEN7_ROW_CHICKEN2, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, 2535 NULL, NULL); 2536 MMIO_DFH(GEN8_UCGCTL6, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); 2537 2538 MMIO_DFH(_MMIO(0xb1f0), D_BDW, F_CMD_ACCESS, NULL, NULL); 2539 MMIO_DFH(_MMIO(0xb1c0), D_BDW, F_CMD_ACCESS, NULL, NULL); 2540 MMIO_DFH(GEN8_L3SQCREG4, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); 2541 MMIO_DFH(_MMIO(0xb100), D_BDW, F_CMD_ACCESS, NULL, NULL); 2542 MMIO_DFH(_MMIO(0xb10c), D_BDW, F_CMD_ACCESS, NULL, NULL); 2543 2544 MMIO_F(_MMIO(0x24d0), 48, F_CMD_ACCESS | F_CMD_WRITE_PATCH, 0, 0, 2545 D_BDW_PLUS, NULL, force_nonpriv_write); 2546 2547 MMIO_DFH(_MMIO(0x83a4), D_BDW, F_CMD_ACCESS, NULL, NULL); 2548 2549 MMIO_DFH(_MMIO(0x8430), D_BDW, F_CMD_ACCESS, NULL, NULL); 2550 2551 MMIO_DFH(_MMIO(0xe194), D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); 2552 MMIO_DFH(_MMIO(0xe188), D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); 2553 MMIO_DFH(HALF_SLICE_CHICKEN2, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); 2554 MMIO_DFH(_MMIO(0x2580), D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); 2555 2556 MMIO_DFH(_MMIO(0x2248), D_BDW, F_CMD_ACCESS, NULL, NULL); 2557 2558 MMIO_DFH(_MMIO(0xe220), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); 2559 MMIO_DFH(_MMIO(0xe230), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); 2560 MMIO_DFH(_MMIO(0xe240), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); 2561 MMIO_DFH(_MMIO(0xe260), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); 2562 MMIO_DFH(_MMIO(0xe270), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); 2563 MMIO_DFH(_MMIO(0xe280), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); 2564 MMIO_DFH(_MMIO(0xe2a0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); 2565 MMIO_DFH(_MMIO(0xe2b0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); 2566 MMIO_DFH(_MMIO(0xe2c0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); 2567 MMIO_DFH(_MMIO(0x21f0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); 2568 return 0; 2569 } 2570 2571 static int init_skl_mmio_info(struct intel_gvt *gvt) 2572 { 2573 struct drm_i915_private *dev_priv = gvt->gt->i915; 2574 int ret; 2575 2576 MMIO_DH(FORCEWAKE_RENDER_GEN9, D_SKL_PLUS, NULL, mul_force_wake_write); 2577 MMIO_DH(FORCEWAKE_ACK_RENDER_GEN9, D_SKL_PLUS, NULL, NULL); 2578 MMIO_DH(FORCEWAKE_GT_GEN9, D_SKL_PLUS, NULL, mul_force_wake_write); 2579 MMIO_DH(FORCEWAKE_ACK_GT_GEN9, D_SKL_PLUS, NULL, NULL); 2580 MMIO_DH(FORCEWAKE_MEDIA_GEN9, D_SKL_PLUS, NULL, mul_force_wake_write); 2581 MMIO_DH(FORCEWAKE_ACK_MEDIA_GEN9, D_SKL_PLUS, NULL, NULL); 2582 2583 MMIO_F(DP_AUX_CH_CTL(AUX_CH_B), 6 * 4, 0, 0, 0, D_SKL_PLUS, NULL, 2584 dp_aux_ch_ctl_mmio_write); 2585 MMIO_F(DP_AUX_CH_CTL(AUX_CH_C), 6 * 4, 0, 0, 0, D_SKL_PLUS, NULL, 2586 dp_aux_ch_ctl_mmio_write); 2587 MMIO_F(DP_AUX_CH_CTL(AUX_CH_D), 6 * 4, 0, 0, 0, D_SKL_PLUS, NULL, 2588 dp_aux_ch_ctl_mmio_write); 2589 2590 MMIO_DH(HSW_PWR_WELL_CTL2, D_SKL_PLUS, NULL, skl_power_well_ctl_write); 2591 2592 MMIO_DH(DBUF_CTL_S(0), D_SKL_PLUS, NULL, gen9_dbuf_ctl_mmio_write); 2593 2594 MMIO_DFH(GEN9_GAMT_ECO_REG_RW_IA, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL); 2595 MMIO_DFH(MMCD_MISC_CTRL, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL); 2596 MMIO_DH(CHICKEN_PAR1_1, D_SKL_PLUS, NULL, NULL); 2597 MMIO_DH(LCPLL1_CTL, D_SKL_PLUS, NULL, skl_lcpll_write); 2598 MMIO_DH(LCPLL2_CTL, D_SKL_PLUS, NULL, skl_lcpll_write); 2599 MMIO_DH(DPLL_STATUS, D_SKL_PLUS, dpll_status_read, NULL); 2600 2601 MMIO_DH(SKL_PS_WIN_POS(PIPE_A, 0), D_SKL_PLUS, NULL, pf_write); 2602 MMIO_DH(SKL_PS_WIN_POS(PIPE_A, 1), D_SKL_PLUS, NULL, pf_write); 2603 MMIO_DH(SKL_PS_WIN_POS(PIPE_B, 0), D_SKL_PLUS, NULL, pf_write); 2604 MMIO_DH(SKL_PS_WIN_POS(PIPE_B, 1), D_SKL_PLUS, NULL, pf_write); 2605 MMIO_DH(SKL_PS_WIN_POS(PIPE_C, 0), D_SKL_PLUS, NULL, pf_write); 2606 MMIO_DH(SKL_PS_WIN_POS(PIPE_C, 1), D_SKL_PLUS, NULL, pf_write); 2607 2608 MMIO_DH(SKL_PS_WIN_SZ(PIPE_A, 0), D_SKL_PLUS, NULL, pf_write); 2609 MMIO_DH(SKL_PS_WIN_SZ(PIPE_A, 1), D_SKL_PLUS, NULL, pf_write); 2610 MMIO_DH(SKL_PS_WIN_SZ(PIPE_B, 0), D_SKL_PLUS, NULL, pf_write); 2611 MMIO_DH(SKL_PS_WIN_SZ(PIPE_B, 1), D_SKL_PLUS, NULL, pf_write); 2612 MMIO_DH(SKL_PS_WIN_SZ(PIPE_C, 0), D_SKL_PLUS, NULL, pf_write); 2613 MMIO_DH(SKL_PS_WIN_SZ(PIPE_C, 1), D_SKL_PLUS, NULL, pf_write); 2614 2615 MMIO_DH(SKL_PS_CTRL(PIPE_A, 0), D_SKL_PLUS, NULL, pf_write); 2616 MMIO_DH(SKL_PS_CTRL(PIPE_A, 1), D_SKL_PLUS, NULL, pf_write); 2617 MMIO_DH(SKL_PS_CTRL(PIPE_B, 0), D_SKL_PLUS, NULL, pf_write); 2618 MMIO_DH(SKL_PS_CTRL(PIPE_B, 1), D_SKL_PLUS, NULL, pf_write); 2619 MMIO_DH(SKL_PS_CTRL(PIPE_C, 0), D_SKL_PLUS, NULL, pf_write); 2620 MMIO_DH(SKL_PS_CTRL(PIPE_C, 1), D_SKL_PLUS, NULL, pf_write); 2621 2622 MMIO_DH(PLANE_BUF_CFG(PIPE_A, 0), D_SKL_PLUS, NULL, NULL); 2623 MMIO_DH(PLANE_BUF_CFG(PIPE_A, 1), D_SKL_PLUS, NULL, NULL); 2624 MMIO_DH(PLANE_BUF_CFG(PIPE_A, 2), D_SKL_PLUS, NULL, NULL); 2625 MMIO_DH(PLANE_BUF_CFG(PIPE_A, 3), D_SKL_PLUS, NULL, NULL); 2626 2627 MMIO_DH(PLANE_BUF_CFG(PIPE_B, 0), D_SKL_PLUS, NULL, NULL); 2628 MMIO_DH(PLANE_BUF_CFG(PIPE_B, 1), D_SKL_PLUS, NULL, NULL); 2629 MMIO_DH(PLANE_BUF_CFG(PIPE_B, 2), D_SKL_PLUS, NULL, NULL); 2630 MMIO_DH(PLANE_BUF_CFG(PIPE_B, 3), D_SKL_PLUS, NULL, NULL); 2631 2632 MMIO_DH(PLANE_BUF_CFG(PIPE_C, 0), D_SKL_PLUS, NULL, NULL); 2633 MMIO_DH(PLANE_BUF_CFG(PIPE_C, 1), D_SKL_PLUS, NULL, NULL); 2634 MMIO_DH(PLANE_BUF_CFG(PIPE_C, 2), D_SKL_PLUS, NULL, NULL); 2635 MMIO_DH(PLANE_BUF_CFG(PIPE_C, 3), D_SKL_PLUS, NULL, NULL); 2636 2637 MMIO_DH(CUR_BUF_CFG(PIPE_A), D_SKL_PLUS, NULL, NULL); 2638 MMIO_DH(CUR_BUF_CFG(PIPE_B), D_SKL_PLUS, NULL, NULL); 2639 MMIO_DH(CUR_BUF_CFG(PIPE_C), D_SKL_PLUS, NULL, NULL); 2640 2641 MMIO_DH(PLANE_WM_TRANS(PIPE_A, 0), D_SKL_PLUS, NULL, NULL); 2642 MMIO_DH(PLANE_WM_TRANS(PIPE_A, 1), D_SKL_PLUS, NULL, NULL); 2643 MMIO_DH(PLANE_WM_TRANS(PIPE_A, 2), D_SKL_PLUS, NULL, NULL); 2644 2645 MMIO_DH(PLANE_WM_TRANS(PIPE_B, 0), D_SKL_PLUS, NULL, NULL); 2646 MMIO_DH(PLANE_WM_TRANS(PIPE_B, 1), D_SKL_PLUS, NULL, NULL); 2647 MMIO_DH(PLANE_WM_TRANS(PIPE_B, 2), D_SKL_PLUS, NULL, NULL); 2648 2649 MMIO_DH(PLANE_WM_TRANS(PIPE_C, 0), D_SKL_PLUS, NULL, NULL); 2650 MMIO_DH(PLANE_WM_TRANS(PIPE_C, 1), D_SKL_PLUS, NULL, NULL); 2651 MMIO_DH(PLANE_WM_TRANS(PIPE_C, 2), D_SKL_PLUS, NULL, NULL); 2652 2653 MMIO_DH(CUR_WM_TRANS(PIPE_A), D_SKL_PLUS, NULL, NULL); 2654 MMIO_DH(CUR_WM_TRANS(PIPE_B), D_SKL_PLUS, NULL, NULL); 2655 MMIO_DH(CUR_WM_TRANS(PIPE_C), D_SKL_PLUS, NULL, NULL); 2656 2657 MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 0), D_SKL_PLUS, NULL, NULL); 2658 MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 1), D_SKL_PLUS, NULL, NULL); 2659 MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 2), D_SKL_PLUS, NULL, NULL); 2660 MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_A, 3), D_SKL_PLUS, NULL, NULL); 2661 2662 MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 0), D_SKL_PLUS, NULL, NULL); 2663 MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 1), D_SKL_PLUS, NULL, NULL); 2664 MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 2), D_SKL_PLUS, NULL, NULL); 2665 MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_B, 3), D_SKL_PLUS, NULL, NULL); 2666 2667 MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 0), D_SKL_PLUS, NULL, NULL); 2668 MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 1), D_SKL_PLUS, NULL, NULL); 2669 MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 2), D_SKL_PLUS, NULL, NULL); 2670 MMIO_DH(PLANE_NV12_BUF_CFG(PIPE_C, 3), D_SKL_PLUS, NULL, NULL); 2671 2672 MMIO_DH(_MMIO(_REG_701C0(PIPE_A, 1)), D_SKL_PLUS, NULL, NULL); 2673 MMIO_DH(_MMIO(_REG_701C0(PIPE_A, 2)), D_SKL_PLUS, NULL, NULL); 2674 MMIO_DH(_MMIO(_REG_701C0(PIPE_A, 3)), D_SKL_PLUS, NULL, NULL); 2675 MMIO_DH(_MMIO(_REG_701C0(PIPE_A, 4)), D_SKL_PLUS, NULL, NULL); 2676 2677 MMIO_DH(_MMIO(_REG_701C0(PIPE_B, 1)), D_SKL_PLUS, NULL, NULL); 2678 MMIO_DH(_MMIO(_REG_701C0(PIPE_B, 2)), D_SKL_PLUS, NULL, NULL); 2679 MMIO_DH(_MMIO(_REG_701C0(PIPE_B, 3)), D_SKL_PLUS, NULL, NULL); 2680 MMIO_DH(_MMIO(_REG_701C0(PIPE_B, 4)), D_SKL_PLUS, NULL, NULL); 2681 2682 MMIO_DH(_MMIO(_REG_701C0(PIPE_C, 1)), D_SKL_PLUS, NULL, NULL); 2683 MMIO_DH(_MMIO(_REG_701C0(PIPE_C, 2)), D_SKL_PLUS, NULL, NULL); 2684 MMIO_DH(_MMIO(_REG_701C0(PIPE_C, 3)), D_SKL_PLUS, NULL, NULL); 2685 MMIO_DH(_MMIO(_REG_701C0(PIPE_C, 4)), D_SKL_PLUS, NULL, NULL); 2686 2687 MMIO_DH(_MMIO(_REG_701C4(PIPE_A, 1)), D_SKL_PLUS, NULL, NULL); 2688 MMIO_DH(_MMIO(_REG_701C4(PIPE_A, 2)), D_SKL_PLUS, NULL, NULL); 2689 MMIO_DH(_MMIO(_REG_701C4(PIPE_A, 3)), D_SKL_PLUS, NULL, NULL); 2690 MMIO_DH(_MMIO(_REG_701C4(PIPE_A, 4)), D_SKL_PLUS, NULL, NULL); 2691 2692 MMIO_DH(_MMIO(_REG_701C4(PIPE_B, 1)), D_SKL_PLUS, NULL, NULL); 2693 MMIO_DH(_MMIO(_REG_701C4(PIPE_B, 2)), D_SKL_PLUS, NULL, NULL); 2694 MMIO_DH(_MMIO(_REG_701C4(PIPE_B, 3)), D_SKL_PLUS, NULL, NULL); 2695 MMIO_DH(_MMIO(_REG_701C4(PIPE_B, 4)), D_SKL_PLUS, NULL, NULL); 2696 2697 MMIO_DH(_MMIO(_REG_701C4(PIPE_C, 1)), D_SKL_PLUS, NULL, NULL); 2698 MMIO_DH(_MMIO(_REG_701C4(PIPE_C, 2)), D_SKL_PLUS, NULL, NULL); 2699 MMIO_DH(_MMIO(_REG_701C4(PIPE_C, 3)), D_SKL_PLUS, NULL, NULL); 2700 MMIO_DH(_MMIO(_REG_701C4(PIPE_C, 4)), D_SKL_PLUS, NULL, NULL); 2701 2702 MMIO_DFH(BDW_SCRATCH1, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL); 2703 2704 MMIO_F(GEN9_GFX_MOCS(0), 0x7f8, F_CMD_ACCESS, 0, 0, D_SKL_PLUS, 2705 NULL, NULL); 2706 MMIO_F(GEN7_L3CNTLREG2, 0x80, F_CMD_ACCESS, 0, 0, D_SKL_PLUS, 2707 NULL, NULL); 2708 2709 MMIO_DFH(GEN7_FF_SLICE_CS_CHICKEN1, D_SKL_PLUS, 2710 F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); 2711 MMIO_DFH(GEN9_CS_DEBUG_MODE1, D_SKL_PLUS, F_MODE_MASK | F_CMD_ACCESS, 2712 NULL, NULL); 2713 2714 /* TRTT */ 2715 MMIO_DFH(TRVATTL3PTRDW(0), D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL); 2716 MMIO_DFH(TRVATTL3PTRDW(1), D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL); 2717 MMIO_DFH(TRVATTL3PTRDW(2), D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL); 2718 MMIO_DFH(TRVATTL3PTRDW(3), D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL); 2719 MMIO_DFH(TRVADR, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL); 2720 MMIO_DFH(TRTTE, D_SKL_PLUS, F_CMD_ACCESS | F_PM_SAVE, 2721 NULL, gen9_trtte_write); 2722 MMIO_DFH(_MMIO(0x4dfc), D_SKL_PLUS, F_PM_SAVE, 2723 NULL, gen9_trtt_chicken_write); 2724 2725 MMIO_DFH(GEN8_GARBCNTL, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL); 2726 MMIO_DH(DMA_CTRL, D_SKL_PLUS, NULL, dma_ctrl_write); 2727 2728 #define CSFE_CHICKEN1_REG(base) _MMIO((base) + 0xD4) 2729 MMIO_RING_DFH(CSFE_CHICKEN1_REG, D_SKL_PLUS, F_MODE_MASK | F_CMD_ACCESS, 2730 NULL, csfe_chicken1_mmio_write); 2731 #undef CSFE_CHICKEN1_REG 2732 MMIO_DFH(GEN8_HDC_CHICKEN1, D_SKL_PLUS, F_MODE_MASK | F_CMD_ACCESS, 2733 NULL, NULL); 2734 MMIO_DFH(GEN9_WM_CHICKEN3, D_SKL_PLUS, F_MODE_MASK | F_CMD_ACCESS, 2735 NULL, NULL); 2736 2737 MMIO_DFH(GAMT_CHKN_BIT_REG, D_KBL | D_CFL, F_CMD_ACCESS, NULL, NULL); 2738 MMIO_DFH(_MMIO(0xe4cc), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); 2739 2740 return 0; 2741 } 2742 2743 static int init_bxt_mmio_info(struct intel_gvt *gvt) 2744 { 2745 int ret; 2746 2747 MMIO_DH(BXT_P_CR_GT_DISP_PWRON, D_BXT, NULL, bxt_gt_disp_pwron_write); 2748 MMIO_DH(BXT_PHY_CTL_FAMILY(DPIO_PHY0), D_BXT, 2749 NULL, bxt_phy_ctl_family_write); 2750 MMIO_DH(BXT_PHY_CTL_FAMILY(DPIO_PHY1), D_BXT, 2751 NULL, bxt_phy_ctl_family_write); 2752 MMIO_DH(BXT_PORT_PLL_ENABLE(PORT_A), D_BXT, 2753 NULL, bxt_port_pll_enable_write); 2754 MMIO_DH(BXT_PORT_PLL_ENABLE(PORT_B), D_BXT, 2755 NULL, bxt_port_pll_enable_write); 2756 MMIO_DH(BXT_PORT_PLL_ENABLE(PORT_C), D_BXT, NULL, 2757 bxt_port_pll_enable_write); 2758 2759 MMIO_DH(BXT_PORT_PCS_DW12_GRP(DPIO_PHY0, DPIO_CH0), D_BXT, 2760 NULL, bxt_pcs_dw12_grp_write); 2761 MMIO_DH(BXT_PORT_TX_DW3_LN0(DPIO_PHY0, DPIO_CH0), D_BXT, 2762 bxt_port_tx_dw3_read, NULL); 2763 MMIO_DH(BXT_PORT_PCS_DW12_GRP(DPIO_PHY0, DPIO_CH1), D_BXT, 2764 NULL, bxt_pcs_dw12_grp_write); 2765 MMIO_DH(BXT_PORT_TX_DW3_LN0(DPIO_PHY0, DPIO_CH1), D_BXT, 2766 bxt_port_tx_dw3_read, NULL); 2767 MMIO_DH(BXT_PORT_PCS_DW12_GRP(DPIO_PHY1, DPIO_CH0), D_BXT, 2768 NULL, bxt_pcs_dw12_grp_write); 2769 MMIO_DH(BXT_PORT_TX_DW3_LN0(DPIO_PHY1, DPIO_CH0), D_BXT, 2770 bxt_port_tx_dw3_read, NULL); 2771 MMIO_DH(BXT_DE_PLL_ENABLE, D_BXT, NULL, bxt_de_pll_enable_write); 2772 MMIO_DFH(GEN8_L3SQCREG1, D_BXT, F_CMD_ACCESS, NULL, NULL); 2773 MMIO_DFH(GEN8_L3CNTLREG, D_BXT, F_CMD_ACCESS, NULL, NULL); 2774 MMIO_DFH(_MMIO(0x20D8), D_BXT, F_CMD_ACCESS, NULL, NULL); 2775 MMIO_F(GEN8_RING_CS_GPR(RENDER_RING_BASE, 0), 0x40, F_CMD_ACCESS, 2776 0, 0, D_BXT, NULL, NULL); 2777 MMIO_F(GEN8_RING_CS_GPR(GEN6_BSD_RING_BASE, 0), 0x40, F_CMD_ACCESS, 2778 0, 0, D_BXT, NULL, NULL); 2779 MMIO_F(GEN8_RING_CS_GPR(BLT_RING_BASE, 0), 0x40, F_CMD_ACCESS, 2780 0, 0, D_BXT, NULL, NULL); 2781 MMIO_F(GEN8_RING_CS_GPR(VEBOX_RING_BASE, 0), 0x40, F_CMD_ACCESS, 2782 0, 0, D_BXT, NULL, NULL); 2783 2784 MMIO_DFH(GEN9_CTX_PREEMPT_REG, D_BXT, F_CMD_ACCESS, NULL, NULL); 2785 2786 MMIO_DH(GEN8_PRIVATE_PAT_LO, D_BXT, NULL, bxt_ppat_low_write); 2787 2788 return 0; 2789 } 2790 2791 static struct gvt_mmio_block *find_mmio_block(struct intel_gvt *gvt, 2792 unsigned int offset) 2793 { 2794 struct gvt_mmio_block *block = gvt->mmio.mmio_block; 2795 int num = gvt->mmio.num_mmio_block; 2796 int i; 2797 2798 for (i = 0; i < num; i++, block++) { 2799 if (offset >= i915_mmio_reg_offset(block->offset) && 2800 offset < i915_mmio_reg_offset(block->offset) + block->size) 2801 return block; 2802 } 2803 return NULL; 2804 } 2805 2806 /** 2807 * intel_gvt_clean_mmio_info - clean up MMIO information table for GVT device 2808 * @gvt: GVT device 2809 * 2810 * This function is called at the driver unloading stage, to clean up the MMIO 2811 * information table of GVT device 2812 * 2813 */ 2814 void intel_gvt_clean_mmio_info(struct intel_gvt *gvt) 2815 { 2816 struct hlist_node *tmp; 2817 struct intel_gvt_mmio_info *e; 2818 int i; 2819 2820 hash_for_each_safe(gvt->mmio.mmio_info_table, i, tmp, e, node) 2821 kfree(e); 2822 2823 kfree(gvt->mmio.mmio_block); 2824 gvt->mmio.mmio_block = NULL; 2825 gvt->mmio.num_mmio_block = 0; 2826 2827 vfree(gvt->mmio.mmio_attribute); 2828 gvt->mmio.mmio_attribute = NULL; 2829 } 2830 2831 static int handle_mmio(struct intel_gvt_mmio_table_iter *iter, u32 offset, 2832 u32 size) 2833 { 2834 struct intel_gvt *gvt = iter->data; 2835 struct intel_gvt_mmio_info *info, *p; 2836 u32 start, end, i; 2837 2838 if (WARN_ON(!IS_ALIGNED(offset, 4))) 2839 return -EINVAL; 2840 2841 start = offset; 2842 end = offset + size; 2843 2844 for (i = start; i < end; i += 4) { 2845 p = intel_gvt_find_mmio_info(gvt, i); 2846 if (p) { 2847 WARN(1, "dup mmio definition offset %x\n", 2848 info->offset); 2849 2850 /* We return -EEXIST here to make GVT-g load fail. 2851 * So duplicated MMIO can be found as soon as 2852 * possible. 2853 */ 2854 return -EEXIST; 2855 } 2856 2857 info = kzalloc(sizeof(*info), GFP_KERNEL); 2858 if (!info) 2859 return -ENOMEM; 2860 2861 info->offset = i; 2862 info->read = intel_vgpu_default_mmio_read; 2863 info->write = intel_vgpu_default_mmio_write; 2864 INIT_HLIST_NODE(&info->node); 2865 hash_add(gvt->mmio.mmio_info_table, &info->node, info->offset); 2866 gvt->mmio.num_tracked_mmio++; 2867 } 2868 return 0; 2869 } 2870 2871 static int handle_mmio_block(struct intel_gvt_mmio_table_iter *iter, 2872 u32 offset, u32 size) 2873 { 2874 struct intel_gvt *gvt = iter->data; 2875 struct gvt_mmio_block *block = gvt->mmio.mmio_block; 2876 void *ret; 2877 2878 ret = krealloc(block, 2879 (gvt->mmio.num_mmio_block + 1) * sizeof(*block), 2880 GFP_KERNEL); 2881 if (!ret) 2882 return -ENOMEM; 2883 2884 gvt->mmio.mmio_block = block = ret; 2885 2886 block += gvt->mmio.num_mmio_block; 2887 2888 memset(block, 0, sizeof(*block)); 2889 2890 block->offset = _MMIO(offset); 2891 block->size = size; 2892 2893 gvt->mmio.num_mmio_block++; 2894 2895 return 0; 2896 } 2897 2898 static int handle_mmio_cb(struct intel_gvt_mmio_table_iter *iter, u32 offset, 2899 u32 size) 2900 { 2901 if (size < 1024 || offset == i915_mmio_reg_offset(GEN9_GFX_MOCS(0))) 2902 return handle_mmio(iter, offset, size); 2903 else 2904 return handle_mmio_block(iter, offset, size); 2905 } 2906 2907 static int init_mmio_info(struct intel_gvt *gvt) 2908 { 2909 struct intel_gvt_mmio_table_iter iter = { 2910 .i915 = gvt->gt->i915, 2911 .data = gvt, 2912 .handle_mmio_cb = handle_mmio_cb, 2913 }; 2914 2915 return intel_gvt_iterate_mmio_table(&iter); 2916 } 2917 2918 static int init_mmio_block_handlers(struct intel_gvt *gvt) 2919 { 2920 struct gvt_mmio_block *block; 2921 2922 block = find_mmio_block(gvt, VGT_PVINFO_PAGE); 2923 if (!block) { 2924 WARN(1, "fail to assign handlers to mmio block %x\n", 2925 i915_mmio_reg_offset(gvt->mmio.mmio_block->offset)); 2926 return -ENODEV; 2927 } 2928 2929 block->read = pvinfo_mmio_read; 2930 block->write = pvinfo_mmio_write; 2931 2932 return 0; 2933 } 2934 2935 /** 2936 * intel_gvt_setup_mmio_info - setup MMIO information table for GVT device 2937 * @gvt: GVT device 2938 * 2939 * This function is called at the initialization stage, to setup the MMIO 2940 * information table for GVT device 2941 * 2942 * Returns: 2943 * zero on success, negative if failed. 2944 */ 2945 int intel_gvt_setup_mmio_info(struct intel_gvt *gvt) 2946 { 2947 struct intel_gvt_device_info *info = &gvt->device_info; 2948 struct drm_i915_private *i915 = gvt->gt->i915; 2949 int size = info->mmio_size / 4 * sizeof(*gvt->mmio.mmio_attribute); 2950 int ret; 2951 2952 gvt->mmio.mmio_attribute = vzalloc(size); 2953 if (!gvt->mmio.mmio_attribute) 2954 return -ENOMEM; 2955 2956 ret = init_mmio_info(gvt); 2957 if (ret) 2958 goto err; 2959 2960 ret = init_mmio_block_handlers(gvt); 2961 if (ret) 2962 goto err; 2963 2964 ret = init_generic_mmio_info(gvt); 2965 if (ret) 2966 goto err; 2967 2968 if (IS_BROADWELL(i915)) { 2969 ret = init_bdw_mmio_info(gvt); 2970 if (ret) 2971 goto err; 2972 } else if (IS_SKYLAKE(i915) || 2973 IS_KABYLAKE(i915) || 2974 IS_COFFEELAKE(i915) || 2975 IS_COMETLAKE(i915)) { 2976 ret = init_bdw_mmio_info(gvt); 2977 if (ret) 2978 goto err; 2979 ret = init_skl_mmio_info(gvt); 2980 if (ret) 2981 goto err; 2982 } else if (IS_BROXTON(i915)) { 2983 ret = init_bdw_mmio_info(gvt); 2984 if (ret) 2985 goto err; 2986 ret = init_skl_mmio_info(gvt); 2987 if (ret) 2988 goto err; 2989 ret = init_bxt_mmio_info(gvt); 2990 if (ret) 2991 goto err; 2992 } 2993 2994 return 0; 2995 err: 2996 intel_gvt_clean_mmio_info(gvt); 2997 return ret; 2998 } 2999 3000 /** 3001 * intel_gvt_for_each_tracked_mmio - iterate each tracked mmio 3002 * @gvt: a GVT device 3003 * @handler: the handler 3004 * @data: private data given to handler 3005 * 3006 * Returns: 3007 * Zero on success, negative error code if failed. 3008 */ 3009 int intel_gvt_for_each_tracked_mmio(struct intel_gvt *gvt, 3010 int (*handler)(struct intel_gvt *gvt, u32 offset, void *data), 3011 void *data) 3012 { 3013 struct gvt_mmio_block *block = gvt->mmio.mmio_block; 3014 struct intel_gvt_mmio_info *e; 3015 int i, j, ret; 3016 3017 hash_for_each(gvt->mmio.mmio_info_table, i, e, node) { 3018 ret = handler(gvt, e->offset, data); 3019 if (ret) 3020 return ret; 3021 } 3022 3023 for (i = 0; i < gvt->mmio.num_mmio_block; i++, block++) { 3024 /* pvinfo data doesn't come from hw mmio */ 3025 if (i915_mmio_reg_offset(block->offset) == VGT_PVINFO_PAGE) 3026 continue; 3027 3028 for (j = 0; j < block->size; j += 4) { 3029 ret = handler(gvt, i915_mmio_reg_offset(block->offset) + j, data); 3030 if (ret) 3031 return ret; 3032 } 3033 } 3034 return 0; 3035 } 3036 3037 /** 3038 * intel_vgpu_default_mmio_read - default MMIO read handler 3039 * @vgpu: a vGPU 3040 * @offset: access offset 3041 * @p_data: data return buffer 3042 * @bytes: access data length 3043 * 3044 * Returns: 3045 * Zero on success, negative error code if failed. 3046 */ 3047 int intel_vgpu_default_mmio_read(struct intel_vgpu *vgpu, unsigned int offset, 3048 void *p_data, unsigned int bytes) 3049 { 3050 read_vreg(vgpu, offset, p_data, bytes); 3051 return 0; 3052 } 3053 3054 /** 3055 * intel_t_default_mmio_write - default MMIO write handler 3056 * @vgpu: a vGPU 3057 * @offset: access offset 3058 * @p_data: write data buffer 3059 * @bytes: access data length 3060 * 3061 * Returns: 3062 * Zero on success, negative error code if failed. 3063 */ 3064 int intel_vgpu_default_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, 3065 void *p_data, unsigned int bytes) 3066 { 3067 write_vreg(vgpu, offset, p_data, bytes); 3068 return 0; 3069 } 3070 3071 /** 3072 * intel_vgpu_mask_mmio_write - write mask register 3073 * @vgpu: a vGPU 3074 * @offset: access offset 3075 * @p_data: write data buffer 3076 * @bytes: access data length 3077 * 3078 * Returns: 3079 * Zero on success, negative error code if failed. 3080 */ 3081 int intel_vgpu_mask_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, 3082 void *p_data, unsigned int bytes) 3083 { 3084 u32 mask, old_vreg; 3085 3086 old_vreg = vgpu_vreg(vgpu, offset); 3087 write_vreg(vgpu, offset, p_data, bytes); 3088 mask = vgpu_vreg(vgpu, offset) >> 16; 3089 vgpu_vreg(vgpu, offset) = (old_vreg & ~mask) | 3090 (vgpu_vreg(vgpu, offset) & mask); 3091 3092 return 0; 3093 } 3094 3095 /** 3096 * intel_gvt_in_force_nonpriv_whitelist - if a mmio is in whitelist to be 3097 * force-nopriv register 3098 * 3099 * @gvt: a GVT device 3100 * @offset: register offset 3101 * 3102 * Returns: 3103 * True if the register is in force-nonpriv whitelist; 3104 * False if outside; 3105 */ 3106 bool intel_gvt_in_force_nonpriv_whitelist(struct intel_gvt *gvt, 3107 unsigned int offset) 3108 { 3109 return in_whitelist(offset); 3110 } 3111 3112 /** 3113 * intel_vgpu_mmio_reg_rw - emulate tracked mmio registers 3114 * @vgpu: a vGPU 3115 * @offset: register offset 3116 * @pdata: data buffer 3117 * @bytes: data length 3118 * @is_read: read or write 3119 * 3120 * Returns: 3121 * Zero on success, negative error code if failed. 3122 */ 3123 int intel_vgpu_mmio_reg_rw(struct intel_vgpu *vgpu, unsigned int offset, 3124 void *pdata, unsigned int bytes, bool is_read) 3125 { 3126 struct drm_i915_private *i915 = vgpu->gvt->gt->i915; 3127 struct intel_gvt *gvt = vgpu->gvt; 3128 struct intel_gvt_mmio_info *mmio_info; 3129 struct gvt_mmio_block *mmio_block; 3130 gvt_mmio_func func; 3131 int ret; 3132 3133 if (drm_WARN_ON(&i915->drm, bytes > 8)) 3134 return -EINVAL; 3135 3136 /* 3137 * Handle special MMIO blocks. 3138 */ 3139 mmio_block = find_mmio_block(gvt, offset); 3140 if (mmio_block) { 3141 func = is_read ? mmio_block->read : mmio_block->write; 3142 if (func) 3143 return func(vgpu, offset, pdata, bytes); 3144 goto default_rw; 3145 } 3146 3147 /* 3148 * Normal tracked MMIOs. 3149 */ 3150 mmio_info = intel_gvt_find_mmio_info(gvt, offset); 3151 if (!mmio_info) { 3152 gvt_dbg_mmio("untracked MMIO %08x len %d\n", offset, bytes); 3153 goto default_rw; 3154 } 3155 3156 if (is_read) 3157 return mmio_info->read(vgpu, offset, pdata, bytes); 3158 else { 3159 u64 ro_mask = mmio_info->ro_mask; 3160 u32 old_vreg = 0; 3161 u64 data = 0; 3162 3163 if (intel_gvt_mmio_has_mode_mask(gvt, mmio_info->offset)) { 3164 old_vreg = vgpu_vreg(vgpu, offset); 3165 } 3166 3167 if (likely(!ro_mask)) 3168 ret = mmio_info->write(vgpu, offset, pdata, bytes); 3169 else if (!~ro_mask) { 3170 gvt_vgpu_err("try to write RO reg %x\n", offset); 3171 return 0; 3172 } else { 3173 /* keep the RO bits in the virtual register */ 3174 memcpy(&data, pdata, bytes); 3175 data &= ~ro_mask; 3176 data |= vgpu_vreg(vgpu, offset) & ro_mask; 3177 ret = mmio_info->write(vgpu, offset, &data, bytes); 3178 } 3179 3180 /* higher 16bits of mode ctl regs are mask bits for change */ 3181 if (intel_gvt_mmio_has_mode_mask(gvt, mmio_info->offset)) { 3182 u32 mask = vgpu_vreg(vgpu, offset) >> 16; 3183 3184 vgpu_vreg(vgpu, offset) = (old_vreg & ~mask) 3185 | (vgpu_vreg(vgpu, offset) & mask); 3186 } 3187 } 3188 3189 return ret; 3190 3191 default_rw: 3192 return is_read ? 3193 intel_vgpu_default_mmio_read(vgpu, offset, pdata, bytes) : 3194 intel_vgpu_default_mmio_write(vgpu, offset, pdata, bytes); 3195 } 3196 3197 void intel_gvt_restore_fence(struct intel_gvt *gvt) 3198 { 3199 struct intel_vgpu *vgpu; 3200 int i, id; 3201 3202 idr_for_each_entry(&(gvt)->vgpu_idr, vgpu, id) { 3203 mmio_hw_access_pre(gvt->gt); 3204 for (i = 0; i < vgpu_fence_sz(vgpu); i++) 3205 intel_vgpu_write_fence(vgpu, i, vgpu_vreg64(vgpu, fence_num_to_offset(i))); 3206 mmio_hw_access_post(gvt->gt); 3207 } 3208 } 3209 3210 static int mmio_pm_restore_handler(struct intel_gvt *gvt, u32 offset, void *data) 3211 { 3212 struct intel_vgpu *vgpu = data; 3213 struct drm_i915_private *dev_priv = gvt->gt->i915; 3214 3215 if (gvt->mmio.mmio_attribute[offset >> 2] & F_PM_SAVE) 3216 intel_uncore_write(&dev_priv->uncore, _MMIO(offset), vgpu_vreg(vgpu, offset)); 3217 3218 return 0; 3219 } 3220 3221 void intel_gvt_restore_mmio(struct intel_gvt *gvt) 3222 { 3223 struct intel_vgpu *vgpu; 3224 int id; 3225 3226 idr_for_each_entry(&(gvt)->vgpu_idr, vgpu, id) { 3227 mmio_hw_access_pre(gvt->gt); 3228 intel_gvt_for_each_tracked_mmio(gvt, mmio_pm_restore_handler, vgpu); 3229 mmio_hw_access_post(gvt->gt); 3230 } 3231 } 3232