1 /* 2 * Copyright © 2014 Intel Corporation 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 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 */ 23 24 #ifndef IGT_GT_H 25 #define IGT_GT_H 26 27 #include "igt_debugfs.h" 28 #include "igt_dummyload.h" 29 #include "igt_core.h" 30 31 #include "i915_drm.h" 32 33 void igt_require_hang_ring(int fd, int ring); 34 35 typedef struct igt_hang { 36 igt_spin_t *spin; 37 unsigned ctx; 38 unsigned ban; 39 unsigned flags; 40 } igt_hang_t; 41 42 igt_hang_t igt_allow_hang(int fd, unsigned ctx, unsigned flags); 43 void igt_disallow_hang(int fd, igt_hang_t arg); 44 45 #define HANG_POISON 0xc5c5c5c5 46 47 igt_hang_t igt_hang_ctx(int fd, uint32_t ctx, int ring, unsigned flags); 48 #define HANG_ALLOW_BAN 1 49 #define HANG_ALLOW_CAPTURE 2 50 51 igt_hang_t igt_hang_ring(int fd, int ring); 52 void igt_post_hang_ring(int fd, igt_hang_t arg); 53 54 void igt_force_gpu_reset(int fd); 55 56 void igt_fork_hang_helper(void); 57 void igt_stop_hang_helper(void); 58 59 int igt_open_forcewake_handle(int fd); 60 61 int igt_setup_clflush(void); 62 void igt_clflush_range(void *addr, int size); 63 64 unsigned intel_detect_and_clear_missed_interrupts(int fd); 65 66 #define ALL_ENGINES ~0u /* Use in interfaces to iterate all engines */ 67 68 extern const struct intel_execution_engine { 69 const char *name; 70 const char *full_name; 71 unsigned exec_id; 72 unsigned flags; 73 } intel_execution_engines[]; 74 75 #define for_if(expr__) if (!(expr__)) {} else 76 77 #define for_each_engine(fd__, flags__) \ 78 for (const struct intel_execution_engine *e__ = intel_execution_engines;\ 79 e__->name; \ 80 e__++) \ 81 for_if (gem_has_ring(fd__, flags__ = e__->exec_id | e__->flags)) 82 83 #define for_each_physical_engine(fd__, flags__) \ 84 for (const struct intel_execution_engine *e__ = intel_execution_engines;\ 85 e__->name; \ 86 e__++) \ 87 for_if (gem_ring_has_physical_engine(fd__, flags__ = e__->exec_id | e__->flags)) 88 89 bool gem_ring_is_physical_engine(int fd, unsigned int ring); 90 bool gem_ring_has_physical_engine(int fd, unsigned int ring); 91 92 bool gem_can_store_dword(int fd, unsigned int engine); 93 bool gem_class_can_store_dword(int fd, int class); 94 95 extern const struct intel_execution_engine2 { 96 const char *name; 97 int class; 98 int instance; 99 uint64_t flags; 100 bool is_virtual; 101 } intel_execution_engines2[]; 102 103 int gem_execbuf_flags_to_engine_class(unsigned int flags); 104 105 #endif /* IGT_GT_H */ 106