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 * 27 * Contributors: 28 * Niu Bing <bing.niu@intel.com> 29 * Zhi Wang <zhi.a.wang@intel.com> 30 * 31 */ 32 33 #ifndef _GVT_H_ 34 #define _GVT_H_ 35 36 #include "debug.h" 37 #include "hypercall.h" 38 #include "mmio.h" 39 #include "reg.h" 40 #include "interrupt.h" 41 #include "gtt.h" 42 #include "display.h" 43 #include "edid.h" 44 #include "execlist.h" 45 #include "scheduler.h" 46 #include "sched_policy.h" 47 #include "mmio_context.h" 48 #include "cmd_parser.h" 49 #include "fb_decoder.h" 50 #include "dmabuf.h" 51 #include "page_track.h" 52 53 #define GVT_MAX_VGPU 8 54 55 enum { 56 INTEL_GVT_HYPERVISOR_XEN = 0, 57 INTEL_GVT_HYPERVISOR_KVM, 58 }; 59 60 struct intel_gvt_host { 61 bool initialized; 62 int hypervisor_type; 63 struct intel_gvt_mpt *mpt; 64 }; 65 66 extern struct intel_gvt_host intel_gvt_host; 67 68 /* Describe per-platform limitations. */ 69 struct intel_gvt_device_info { 70 u32 max_support_vgpus; 71 u32 cfg_space_size; 72 u32 mmio_size; 73 u32 mmio_bar; 74 unsigned long msi_cap_offset; 75 u32 gtt_start_offset; 76 u32 gtt_entry_size; 77 u32 gtt_entry_size_shift; 78 int gmadr_bytes_in_cmd; 79 u32 max_surface_size; 80 }; 81 82 /* GM resources owned by a vGPU */ 83 struct intel_vgpu_gm { 84 u64 aperture_sz; 85 u64 hidden_sz; 86 struct drm_mm_node low_gm_node; 87 struct drm_mm_node high_gm_node; 88 }; 89 90 #define INTEL_GVT_MAX_NUM_FENCES 32 91 92 /* Fences owned by a vGPU */ 93 struct intel_vgpu_fence { 94 struct drm_i915_fence_reg *regs[INTEL_GVT_MAX_NUM_FENCES]; 95 u32 base; 96 u32 size; 97 }; 98 99 struct intel_vgpu_mmio { 100 void *vreg; 101 void *sreg; 102 }; 103 104 #define INTEL_GVT_MAX_BAR_NUM 4 105 106 struct intel_vgpu_pci_bar { 107 u64 size; 108 bool tracked; 109 }; 110 111 struct intel_vgpu_cfg_space { 112 unsigned char virtual_cfg_space[PCI_CFG_SPACE_EXP_SIZE]; 113 struct intel_vgpu_pci_bar bar[INTEL_GVT_MAX_BAR_NUM]; 114 }; 115 116 #define vgpu_cfg_space(vgpu) ((vgpu)->cfg_space.virtual_cfg_space) 117 118 #define INTEL_GVT_MAX_PIPE 4 119 120 struct intel_vgpu_irq { 121 bool irq_warn_once[INTEL_GVT_EVENT_MAX]; 122 DECLARE_BITMAP(flip_done_event[INTEL_GVT_MAX_PIPE], 123 INTEL_GVT_EVENT_MAX); 124 }; 125 126 struct intel_vgpu_opregion { 127 bool mapped; 128 void *va; 129 u32 gfn[INTEL_GVT_OPREGION_PAGES]; 130 }; 131 132 #define vgpu_opregion(vgpu) (&(vgpu->opregion)) 133 134 struct intel_vgpu_display { 135 struct intel_vgpu_i2c_edid i2c_edid; 136 struct intel_vgpu_port ports[I915_MAX_PORTS]; 137 struct intel_vgpu_sbi sbi; 138 }; 139 140 struct vgpu_sched_ctl { 141 int weight; 142 }; 143 144 enum { 145 INTEL_VGPU_EXECLIST_SUBMISSION = 1, 146 INTEL_VGPU_GUC_SUBMISSION, 147 }; 148 149 struct intel_vgpu_submission_ops { 150 const char *name; 151 int (*init)(struct intel_vgpu *vgpu, unsigned long engine_mask); 152 void (*clean)(struct intel_vgpu *vgpu, unsigned long engine_mask); 153 void (*reset)(struct intel_vgpu *vgpu, unsigned long engine_mask); 154 }; 155 156 struct intel_vgpu_submission { 157 struct intel_vgpu_execlist execlist[I915_NUM_ENGINES]; 158 struct list_head workload_q_head[I915_NUM_ENGINES]; 159 struct kmem_cache *workloads; 160 atomic_t running_workload_num; 161 struct i915_gem_context *shadow_ctx; 162 DECLARE_BITMAP(shadow_ctx_desc_updated, I915_NUM_ENGINES); 163 DECLARE_BITMAP(tlb_handle_pending, I915_NUM_ENGINES); 164 void *ring_scan_buffer[I915_NUM_ENGINES]; 165 int ring_scan_buffer_size[I915_NUM_ENGINES]; 166 const struct intel_vgpu_submission_ops *ops; 167 int virtual_submission_interface; 168 bool active; 169 }; 170 171 struct intel_vgpu { 172 struct intel_gvt *gvt; 173 int id; 174 unsigned long handle; /* vGPU handle used by hypervisor MPT modules */ 175 bool active; 176 bool pv_notified; 177 bool failsafe; 178 unsigned int resetting_eng; 179 void *sched_data; 180 struct vgpu_sched_ctl sched_ctl; 181 182 struct intel_vgpu_fence fence; 183 struct intel_vgpu_gm gm; 184 struct intel_vgpu_cfg_space cfg_space; 185 struct intel_vgpu_mmio mmio; 186 struct intel_vgpu_irq irq; 187 struct intel_vgpu_gtt gtt; 188 struct intel_vgpu_opregion opregion; 189 struct intel_vgpu_display display; 190 struct intel_vgpu_submission submission; 191 struct radix_tree_root page_track_tree; 192 u32 hws_pga[I915_NUM_ENGINES]; 193 194 struct dentry *debugfs; 195 196 #if IS_ENABLED(CONFIG_DRM_I915_GVT_KVMGT) 197 struct { 198 struct mdev_device *mdev; 199 struct vfio_region *region; 200 int num_regions; 201 struct eventfd_ctx *intx_trigger; 202 struct eventfd_ctx *msi_trigger; 203 204 /* 205 * Two caches are used to avoid mapping duplicated pages (eg. 206 * scratch pages). This help to reduce dma setup overhead. 207 */ 208 struct rb_root gfn_cache; 209 struct rb_root dma_addr_cache; 210 unsigned long nr_cache_entries; 211 struct mutex cache_lock; 212 213 struct notifier_block iommu_notifier; 214 struct notifier_block group_notifier; 215 struct kvm *kvm; 216 struct work_struct release_work; 217 atomic_t released; 218 struct vfio_device *vfio_device; 219 } vdev; 220 #endif 221 222 struct list_head dmabuf_obj_list_head; 223 struct mutex dmabuf_lock; 224 struct idr object_idr; 225 226 struct completion vblank_done; 227 228 u32 scan_nonprivbb; 229 }; 230 231 /* validating GM healthy status*/ 232 #define vgpu_is_vm_unhealthy(ret_val) \ 233 (((ret_val) == -EBADRQC) || ((ret_val) == -EFAULT)) 234 235 struct intel_gvt_gm { 236 unsigned long vgpu_allocated_low_gm_size; 237 unsigned long vgpu_allocated_high_gm_size; 238 }; 239 240 struct intel_gvt_fence { 241 unsigned long vgpu_allocated_fence_num; 242 }; 243 244 /* Special MMIO blocks. */ 245 struct gvt_mmio_block { 246 unsigned int device; 247 i915_reg_t offset; 248 unsigned int size; 249 gvt_mmio_func read; 250 gvt_mmio_func write; 251 }; 252 253 #define INTEL_GVT_MMIO_HASH_BITS 11 254 255 struct intel_gvt_mmio { 256 u8 *mmio_attribute; 257 /* Register contains RO bits */ 258 #define F_RO (1 << 0) 259 /* Register contains graphics address */ 260 #define F_GMADR (1 << 1) 261 /* Mode mask registers with high 16 bits as the mask bits */ 262 #define F_MODE_MASK (1 << 2) 263 /* This reg can be accessed by GPU commands */ 264 #define F_CMD_ACCESS (1 << 3) 265 /* This reg has been accessed by a VM */ 266 #define F_ACCESSED (1 << 4) 267 /* This reg has been accessed through GPU commands */ 268 #define F_CMD_ACCESSED (1 << 5) 269 /* This reg could be accessed by unaligned address */ 270 #define F_UNALIGN (1 << 6) 271 272 struct gvt_mmio_block *mmio_block; 273 unsigned int num_mmio_block; 274 275 DECLARE_HASHTABLE(mmio_info_table, INTEL_GVT_MMIO_HASH_BITS); 276 unsigned long num_tracked_mmio; 277 }; 278 279 struct intel_gvt_firmware { 280 void *cfg_space; 281 void *mmio; 282 bool firmware_loaded; 283 }; 284 285 #define NR_MAX_INTEL_VGPU_TYPES 20 286 struct intel_vgpu_type { 287 char name[16]; 288 unsigned int avail_instance; 289 unsigned int low_gm_size; 290 unsigned int high_gm_size; 291 unsigned int fence; 292 unsigned int weight; 293 enum intel_vgpu_edid resolution; 294 }; 295 296 struct intel_gvt { 297 struct mutex lock; 298 struct drm_i915_private *dev_priv; 299 struct idr vgpu_idr; /* vGPU IDR pool */ 300 301 struct intel_gvt_device_info device_info; 302 struct intel_gvt_gm gm; 303 struct intel_gvt_fence fence; 304 struct intel_gvt_mmio mmio; 305 struct intel_gvt_firmware firmware; 306 struct intel_gvt_irq irq; 307 struct intel_gvt_gtt gtt; 308 struct intel_gvt_workload_scheduler scheduler; 309 struct notifier_block shadow_ctx_notifier_block[I915_NUM_ENGINES]; 310 DECLARE_HASHTABLE(cmd_table, GVT_CMD_HASH_BITS); 311 struct intel_vgpu_type *types; 312 unsigned int num_types; 313 struct intel_vgpu *idle_vgpu; 314 315 struct task_struct *service_thread; 316 wait_queue_head_t service_thread_wq; 317 unsigned long service_request; 318 319 struct { 320 struct engine_mmio *mmio; 321 int ctx_mmio_count[I915_NUM_ENGINES]; 322 } engine_mmio_list; 323 324 struct dentry *debugfs_root; 325 }; 326 327 static inline struct intel_gvt *to_gvt(struct drm_i915_private *i915) 328 { 329 return i915->gvt; 330 } 331 332 enum { 333 INTEL_GVT_REQUEST_EMULATE_VBLANK = 0, 334 335 /* Scheduling trigger by timer */ 336 INTEL_GVT_REQUEST_SCHED = 1, 337 338 /* Scheduling trigger by event */ 339 INTEL_GVT_REQUEST_EVENT_SCHED = 2, 340 }; 341 342 static inline void intel_gvt_request_service(struct intel_gvt *gvt, 343 int service) 344 { 345 set_bit(service, (void *)&gvt->service_request); 346 wake_up(&gvt->service_thread_wq); 347 } 348 349 void intel_gvt_free_firmware(struct intel_gvt *gvt); 350 int intel_gvt_load_firmware(struct intel_gvt *gvt); 351 352 /* Aperture/GM space definitions for GVT device */ 353 #define MB_TO_BYTES(mb) ((mb) << 20ULL) 354 #define BYTES_TO_MB(b) ((b) >> 20ULL) 355 356 #define HOST_LOW_GM_SIZE MB_TO_BYTES(128) 357 #define HOST_HIGH_GM_SIZE MB_TO_BYTES(384) 358 #define HOST_FENCE 4 359 360 /* Aperture/GM space definitions for GVT device */ 361 #define gvt_aperture_sz(gvt) (gvt->dev_priv->ggtt.mappable_end) 362 #define gvt_aperture_pa_base(gvt) (gvt->dev_priv->ggtt.gmadr.start) 363 364 #define gvt_ggtt_gm_sz(gvt) (gvt->dev_priv->ggtt.base.total) 365 #define gvt_ggtt_sz(gvt) \ 366 ((gvt->dev_priv->ggtt.base.total >> PAGE_SHIFT) << 3) 367 #define gvt_hidden_sz(gvt) (gvt_ggtt_gm_sz(gvt) - gvt_aperture_sz(gvt)) 368 369 #define gvt_aperture_gmadr_base(gvt) (0) 370 #define gvt_aperture_gmadr_end(gvt) (gvt_aperture_gmadr_base(gvt) \ 371 + gvt_aperture_sz(gvt) - 1) 372 373 #define gvt_hidden_gmadr_base(gvt) (gvt_aperture_gmadr_base(gvt) \ 374 + gvt_aperture_sz(gvt)) 375 #define gvt_hidden_gmadr_end(gvt) (gvt_hidden_gmadr_base(gvt) \ 376 + gvt_hidden_sz(gvt) - 1) 377 378 #define gvt_fence_sz(gvt) (gvt->dev_priv->num_fence_regs) 379 380 /* Aperture/GM space definitions for vGPU */ 381 #define vgpu_aperture_offset(vgpu) ((vgpu)->gm.low_gm_node.start) 382 #define vgpu_hidden_offset(vgpu) ((vgpu)->gm.high_gm_node.start) 383 #define vgpu_aperture_sz(vgpu) ((vgpu)->gm.aperture_sz) 384 #define vgpu_hidden_sz(vgpu) ((vgpu)->gm.hidden_sz) 385 386 #define vgpu_aperture_pa_base(vgpu) \ 387 (gvt_aperture_pa_base(vgpu->gvt) + vgpu_aperture_offset(vgpu)) 388 389 #define vgpu_ggtt_gm_sz(vgpu) ((vgpu)->gm.aperture_sz + (vgpu)->gm.hidden_sz) 390 391 #define vgpu_aperture_pa_end(vgpu) \ 392 (vgpu_aperture_pa_base(vgpu) + vgpu_aperture_sz(vgpu) - 1) 393 394 #define vgpu_aperture_gmadr_base(vgpu) (vgpu_aperture_offset(vgpu)) 395 #define vgpu_aperture_gmadr_end(vgpu) \ 396 (vgpu_aperture_gmadr_base(vgpu) + vgpu_aperture_sz(vgpu) - 1) 397 398 #define vgpu_hidden_gmadr_base(vgpu) (vgpu_hidden_offset(vgpu)) 399 #define vgpu_hidden_gmadr_end(vgpu) \ 400 (vgpu_hidden_gmadr_base(vgpu) + vgpu_hidden_sz(vgpu) - 1) 401 402 #define vgpu_fence_base(vgpu) (vgpu->fence.base) 403 #define vgpu_fence_sz(vgpu) (vgpu->fence.size) 404 405 struct intel_vgpu_creation_params { 406 __u64 handle; 407 __u64 low_gm_sz; /* in MB */ 408 __u64 high_gm_sz; /* in MB */ 409 __u64 fence_sz; 410 __u64 resolution; 411 __s32 primary; 412 __u64 vgpu_id; 413 414 __u32 weight; 415 }; 416 417 int intel_vgpu_alloc_resource(struct intel_vgpu *vgpu, 418 struct intel_vgpu_creation_params *param); 419 void intel_vgpu_reset_resource(struct intel_vgpu *vgpu); 420 void intel_vgpu_free_resource(struct intel_vgpu *vgpu); 421 void intel_vgpu_write_fence(struct intel_vgpu *vgpu, 422 u32 fence, u64 value); 423 424 /* Macros for easily accessing vGPU virtual/shadow register. 425 Explicitly seperate use for typed MMIO reg or real offset.*/ 426 #define vgpu_vreg_t(vgpu, reg) \ 427 (*(u32 *)(vgpu->mmio.vreg + i915_mmio_reg_offset(reg))) 428 #define vgpu_vreg(vgpu, offset) \ 429 (*(u32 *)(vgpu->mmio.vreg + (offset))) 430 #define vgpu_vreg64_t(vgpu, reg) \ 431 (*(u64 *)(vgpu->mmio.vreg + i915_mmio_reg_offset(reg))) 432 #define vgpu_vreg64(vgpu, offset) \ 433 (*(u64 *)(vgpu->mmio.vreg + (offset))) 434 #define vgpu_sreg_t(vgpu, reg) \ 435 (*(u32 *)(vgpu->mmio.sreg + i915_mmio_reg_offset(reg))) 436 #define vgpu_sreg(vgpu, offset) \ 437 (*(u32 *)(vgpu->mmio.sreg + (offset))) 438 439 #define for_each_active_vgpu(gvt, vgpu, id) \ 440 idr_for_each_entry((&(gvt)->vgpu_idr), (vgpu), (id)) \ 441 for_each_if(vgpu->active) 442 443 static inline void intel_vgpu_write_pci_bar(struct intel_vgpu *vgpu, 444 u32 offset, u32 val, bool low) 445 { 446 u32 *pval; 447 448 /* BAR offset should be 32 bits algiend */ 449 offset = rounddown(offset, 4); 450 pval = (u32 *)(vgpu_cfg_space(vgpu) + offset); 451 452 if (low) { 453 /* 454 * only update bit 31 - bit 4, 455 * leave the bit 3 - bit 0 unchanged. 456 */ 457 *pval = (val & GENMASK(31, 4)) | (*pval & GENMASK(3, 0)); 458 } else { 459 *pval = val; 460 } 461 } 462 463 int intel_gvt_init_vgpu_types(struct intel_gvt *gvt); 464 void intel_gvt_clean_vgpu_types(struct intel_gvt *gvt); 465 466 struct intel_vgpu *intel_gvt_create_idle_vgpu(struct intel_gvt *gvt); 467 void intel_gvt_destroy_idle_vgpu(struct intel_vgpu *vgpu); 468 struct intel_vgpu *intel_gvt_create_vgpu(struct intel_gvt *gvt, 469 struct intel_vgpu_type *type); 470 void intel_gvt_destroy_vgpu(struct intel_vgpu *vgpu); 471 void intel_gvt_reset_vgpu_locked(struct intel_vgpu *vgpu, bool dmlr, 472 unsigned int engine_mask); 473 void intel_gvt_reset_vgpu(struct intel_vgpu *vgpu); 474 void intel_gvt_activate_vgpu(struct intel_vgpu *vgpu); 475 void intel_gvt_deactivate_vgpu(struct intel_vgpu *vgpu); 476 477 /* validating GM functions */ 478 #define vgpu_gmadr_is_aperture(vgpu, gmadr) \ 479 ((gmadr >= vgpu_aperture_gmadr_base(vgpu)) && \ 480 (gmadr <= vgpu_aperture_gmadr_end(vgpu))) 481 482 #define vgpu_gmadr_is_hidden(vgpu, gmadr) \ 483 ((gmadr >= vgpu_hidden_gmadr_base(vgpu)) && \ 484 (gmadr <= vgpu_hidden_gmadr_end(vgpu))) 485 486 #define vgpu_gmadr_is_valid(vgpu, gmadr) \ 487 ((vgpu_gmadr_is_aperture(vgpu, gmadr) || \ 488 (vgpu_gmadr_is_hidden(vgpu, gmadr)))) 489 490 #define gvt_gmadr_is_aperture(gvt, gmadr) \ 491 ((gmadr >= gvt_aperture_gmadr_base(gvt)) && \ 492 (gmadr <= gvt_aperture_gmadr_end(gvt))) 493 494 #define gvt_gmadr_is_hidden(gvt, gmadr) \ 495 ((gmadr >= gvt_hidden_gmadr_base(gvt)) && \ 496 (gmadr <= gvt_hidden_gmadr_end(gvt))) 497 498 #define gvt_gmadr_is_valid(gvt, gmadr) \ 499 (gvt_gmadr_is_aperture(gvt, gmadr) || \ 500 gvt_gmadr_is_hidden(gvt, gmadr)) 501 502 bool intel_gvt_ggtt_validate_range(struct intel_vgpu *vgpu, u64 addr, u32 size); 503 int intel_gvt_ggtt_gmadr_g2h(struct intel_vgpu *vgpu, u64 g_addr, u64 *h_addr); 504 int intel_gvt_ggtt_gmadr_h2g(struct intel_vgpu *vgpu, u64 h_addr, u64 *g_addr); 505 int intel_gvt_ggtt_index_g2h(struct intel_vgpu *vgpu, unsigned long g_index, 506 unsigned long *h_index); 507 int intel_gvt_ggtt_h2g_index(struct intel_vgpu *vgpu, unsigned long h_index, 508 unsigned long *g_index); 509 510 void intel_vgpu_init_cfg_space(struct intel_vgpu *vgpu, 511 bool primary); 512 void intel_vgpu_reset_cfg_space(struct intel_vgpu *vgpu); 513 514 int intel_vgpu_emulate_cfg_read(struct intel_vgpu *vgpu, unsigned int offset, 515 void *p_data, unsigned int bytes); 516 517 int intel_vgpu_emulate_cfg_write(struct intel_vgpu *vgpu, unsigned int offset, 518 void *p_data, unsigned int bytes); 519 520 static inline u64 intel_vgpu_get_bar_gpa(struct intel_vgpu *vgpu, int bar) 521 { 522 /* We are 64bit bar. */ 523 return (*(u64 *)(vgpu->cfg_space.virtual_cfg_space + bar)) & 524 PCI_BASE_ADDRESS_MEM_MASK; 525 } 526 527 void intel_vgpu_clean_opregion(struct intel_vgpu *vgpu); 528 int intel_vgpu_init_opregion(struct intel_vgpu *vgpu); 529 int intel_vgpu_opregion_base_write_handler(struct intel_vgpu *vgpu, u32 gpa); 530 531 int intel_vgpu_emulate_opregion_request(struct intel_vgpu *vgpu, u32 swsci); 532 void populate_pvinfo_page(struct intel_vgpu *vgpu); 533 534 int intel_gvt_scan_and_shadow_workload(struct intel_vgpu_workload *workload); 535 void enter_failsafe_mode(struct intel_vgpu *vgpu, int reason); 536 537 struct intel_gvt_ops { 538 int (*emulate_cfg_read)(struct intel_vgpu *, unsigned int, void *, 539 unsigned int); 540 int (*emulate_cfg_write)(struct intel_vgpu *, unsigned int, void *, 541 unsigned int); 542 int (*emulate_mmio_read)(struct intel_vgpu *, u64, void *, 543 unsigned int); 544 int (*emulate_mmio_write)(struct intel_vgpu *, u64, void *, 545 unsigned int); 546 struct intel_vgpu *(*vgpu_create)(struct intel_gvt *, 547 struct intel_vgpu_type *); 548 void (*vgpu_destroy)(struct intel_vgpu *); 549 void (*vgpu_reset)(struct intel_vgpu *); 550 void (*vgpu_activate)(struct intel_vgpu *); 551 void (*vgpu_deactivate)(struct intel_vgpu *); 552 struct intel_vgpu_type *(*gvt_find_vgpu_type)(struct intel_gvt *gvt, 553 const char *name); 554 bool (*get_gvt_attrs)(struct attribute ***type_attrs, 555 struct attribute_group ***intel_vgpu_type_groups); 556 int (*vgpu_query_plane)(struct intel_vgpu *vgpu, void *); 557 int (*vgpu_get_dmabuf)(struct intel_vgpu *vgpu, unsigned int); 558 int (*write_protect_handler)(struct intel_vgpu *, u64, void *, 559 unsigned int); 560 }; 561 562 563 enum { 564 GVT_FAILSAFE_UNSUPPORTED_GUEST, 565 GVT_FAILSAFE_INSUFFICIENT_RESOURCE, 566 GVT_FAILSAFE_GUEST_ERR, 567 }; 568 569 static inline void mmio_hw_access_pre(struct drm_i915_private *dev_priv) 570 { 571 intel_runtime_pm_get(dev_priv); 572 } 573 574 static inline void mmio_hw_access_post(struct drm_i915_private *dev_priv) 575 { 576 intel_runtime_pm_put(dev_priv); 577 } 578 579 /** 580 * intel_gvt_mmio_set_accessed - mark a MMIO has been accessed 581 * @gvt: a GVT device 582 * @offset: register offset 583 * 584 */ 585 static inline void intel_gvt_mmio_set_accessed( 586 struct intel_gvt *gvt, unsigned int offset) 587 { 588 gvt->mmio.mmio_attribute[offset >> 2] |= F_ACCESSED; 589 } 590 591 /** 592 * intel_gvt_mmio_is_cmd_accessed - mark a MMIO could be accessed by command 593 * @gvt: a GVT device 594 * @offset: register offset 595 * 596 */ 597 static inline bool intel_gvt_mmio_is_cmd_access( 598 struct intel_gvt *gvt, unsigned int offset) 599 { 600 return gvt->mmio.mmio_attribute[offset >> 2] & F_CMD_ACCESS; 601 } 602 603 /** 604 * intel_gvt_mmio_is_unalign - mark a MMIO could be accessed unaligned 605 * @gvt: a GVT device 606 * @offset: register offset 607 * 608 */ 609 static inline bool intel_gvt_mmio_is_unalign( 610 struct intel_gvt *gvt, unsigned int offset) 611 { 612 return gvt->mmio.mmio_attribute[offset >> 2] & F_UNALIGN; 613 } 614 615 /** 616 * intel_gvt_mmio_set_cmd_accessed - mark a MMIO has been accessed by command 617 * @gvt: a GVT device 618 * @offset: register offset 619 * 620 */ 621 static inline void intel_gvt_mmio_set_cmd_accessed( 622 struct intel_gvt *gvt, unsigned int offset) 623 { 624 gvt->mmio.mmio_attribute[offset >> 2] |= F_CMD_ACCESSED; 625 } 626 627 /** 628 * intel_gvt_mmio_has_mode_mask - if a MMIO has a mode mask 629 * @gvt: a GVT device 630 * @offset: register offset 631 * 632 * Returns: 633 * True if a MMIO has a mode mask in its higher 16 bits, false if it isn't. 634 * 635 */ 636 static inline bool intel_gvt_mmio_has_mode_mask( 637 struct intel_gvt *gvt, unsigned int offset) 638 { 639 return gvt->mmio.mmio_attribute[offset >> 2] & F_MODE_MASK; 640 } 641 642 int intel_gvt_debugfs_add_vgpu(struct intel_vgpu *vgpu); 643 void intel_gvt_debugfs_remove_vgpu(struct intel_vgpu *vgpu); 644 int intel_gvt_debugfs_init(struct intel_gvt *gvt); 645 void intel_gvt_debugfs_clean(struct intel_gvt *gvt); 646 647 648 #include "trace.h" 649 #include "mpt.h" 650 651 #endif 652