| /* |
| * Copyright © 2019 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| * IN THE SOFTWARE. |
| */ |
| |
| #ifndef GEM_ENGINE_TOPOLOGY_H |
| #define GEM_ENGINE_TOPOLOGY_H |
| |
| #include "igt_gt.h" |
| #include "i915_drm.h" |
| |
| #define GEM_MAX_ENGINES I915_EXEC_RING_MASK + 1 |
| |
| struct intel_engine_data { |
| uint32_t nengines; |
| uint32_t n; |
| struct intel_execution_engine2 *current_engine; |
| struct intel_execution_engine2 engines[GEM_MAX_ENGINES]; |
| }; |
| |
| bool gem_has_engine_topology(int fd); |
| struct intel_engine_data intel_init_engine_list(int fd, uint32_t ctx_id); |
| |
| /* iteration functions */ |
| struct intel_execution_engine2 * |
| intel_get_current_engine(struct intel_engine_data *ed); |
| |
| struct intel_execution_engine2 * |
| intel_get_current_physical_engine(struct intel_engine_data *ed); |
| |
| void intel_next_engine(struct intel_engine_data *ed); |
| |
| int gem_context_lookup_engine(int fd, uint64_t engine, uint32_t ctx_id, |
| struct intel_execution_engine2 *e); |
| |
| void gem_context_set_all_engines(int fd, uint32_t ctx); |
| |
| bool gem_context_has_engine_map(int fd, uint32_t ctx); |
| |
| bool gem_engine_is_equal(const struct intel_execution_engine2 *e1, |
| const struct intel_execution_engine2 *e2); |
| |
| struct intel_execution_engine2 gem_eb_flags_to_engine(unsigned int flags); |
| |
| #define __for_each_static_engine(e__) \ |
| for ((e__) = intel_execution_engines2; (e__)->name; (e__)++) |
| |
| #define for_each_context_engine(fd__, ctx__, e__) \ |
| for (struct intel_engine_data i__ = intel_init_engine_list(fd__, ctx__); \ |
| ((e__) = intel_get_current_engine(&i__)); \ |
| intel_next_engine(&i__)) |
| |
| /* needs to replace "for_each_physical_engine" when conflicts are fixed */ |
| #define __for_each_physical_engine(fd__, e__) \ |
| for (struct intel_engine_data i__ = intel_init_engine_list(fd__, 0); \ |
| ((e__) = intel_get_current_physical_engine(&i__)); \ |
| intel_next_engine(&i__)) |
| |
| #endif /* GEM_ENGINE_TOPOLOGY_H */ |