/* * Copyright © 2016 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 __IGT_SYSFS_H__ #define __IGT_SYSFS_H__ #include #include #include #define for_each_sysfs_gt_path(i915__, path__, pathlen__) \ for (int gt__ = 0; \ igt_sysfs_gt_path(i915__, gt__, path__, pathlen__) != NULL; \ gt__++) #define for_each_sysfs_gt_dirfd(i915__, dirfd__, gt__) \ for (gt__ = 0; \ (dirfd__ = igt_sysfs_gt_open(i915__, gt__)) != -1; \ close(dirfd__), gt__++) #define for_each_sysfs_tile_dirfd(xe__, dirfd__, tile__) \ for (tile__ = 0; \ (dirfd__ = xe_sysfs_tile_open(xe__, tile__)) != -1; \ close(dirfd__), tile__++) #define i915_for_each_gt for_each_sysfs_gt_dirfd #define igt_sysfs_rps_write(dir, id, data, len) \ igt_sysfs_write(dir, igt_sysfs_dir_id_to_name(dir, id), data, len) #define igt_sysfs_rps_read(dir, id, data, len) \ igt_sysfs_read(dir, igt_sysfs_dir_id_to_name(dir, id), data, len) #define igt_sysfs_rps_set(dir, id, value) \ igt_sysfs_set(dir, igt_sysfs_dir_id_to_name(dir, id), value) #define igt_sysfs_rps_get(dir, id) \ igt_sysfs_get(dir, igt_sysfs_dir_id_to_name(dir, id)) #define igt_sysfs_rps_scanf(dir, id, fmt, ...) \ igt_sysfs_scanf(dir, igt_sysfs_dir_id_to_name(dir, id), fmt, ##__VA_ARGS__) #define igt_sysfs_rps_vprintf(dir, id, fmt, ap) \ igt_sysfs_vprintf(dir, igt_sysfs_dir_id_to_name(id), fmt, ap) #define igt_sysfs_rps_printf(dir, id, fmt, ...) \ igt_sysfs_printf(dir, igt_sysfs_dir_id_to_name(dir, id), fmt, ##__VA_ARGS__) #define igt_sysfs_rps_get_u32(dir, id) \ igt_sysfs_get_u32(dir, igt_sysfs_dir_id_to_name(dir, id)) #define igt_sysfs_rps_set_u32(dir, id, value) \ igt_sysfs_set_u32(dir, igt_sysfs_dir_id_to_name(dir, id), value) #define igt_sysfs_rps_get_boolean(dir, id) \ igt_sysfs_get_boolean(dir, igt_sysfs_dir_id_to_name(dir, id)) #define igt_sysfs_rps_set_boolean(dir, id, value) \ igt_sysfs_set_boolean(dir, igt_sysfs_dir_id_to_name(dir, id), value) enum i915_attr_id { RPS_ACT_FREQ_MHZ, RPS_CUR_FREQ_MHZ, RPS_MIN_FREQ_MHZ, RPS_MAX_FREQ_MHZ, RPS_RP0_FREQ_MHZ, RPS_RP1_FREQ_MHZ, RPS_RPn_FREQ_MHZ, RPS_IDLE_FREQ_MHZ, RPS_BOOST_FREQ_MHZ, RC6_ENABLE, RC6_RESIDENCY_MS, RC6P_RESIDENCY_MS, RC6PP_RESIDENCY_MS, MEDIA_RC6_RESIDENCY_MS, SYSFS_NUM_ATTR, }; char *igt_sysfs_path(int device, char *path, int pathlen); int igt_sysfs_open(int device); char *igt_sysfs_gt_path(int device, int gt, char *path, int pathlen); int igt_sysfs_gt_open(int device, int gt); int igt_sysfs_get_num_gt(int device); bool igt_sysfs_has_attr(int dir, const char *attr); const char *igt_sysfs_dir_id_to_name(int dir, enum i915_attr_id id); const char *igt_sysfs_path_id_to_name(const char *path, enum i915_attr_id id); int igt_sysfs_read(int dir, const char *attr, void *data, int len); int igt_sysfs_write(int dir, const char *attr, const void *data, int len); bool igt_sysfs_set(int dir, const char *attr, const char *value); char *igt_sysfs_get(int dir, const char *attr); int igt_sysfs_scanf(int dir, const char *attr, const char *fmt, ...) __attribute__((format(scanf,3,4))); int igt_sysfs_vprintf(int dir, const char *attr, const char *fmt, va_list ap) __attribute__((format(printf,3,0))); int igt_sysfs_printf(int dir, const char *attr, const char *fmt, ...) __attribute__((format(printf,3,4))); bool __igt_sysfs_get_u32(int dir, const char *attr, uint32_t *value); uint32_t igt_sysfs_get_u32(int dir, const char *attr); bool __igt_sysfs_set_u32(int dir, const char *attr, uint32_t value); void igt_sysfs_set_u32(int dir, const char *attr, uint32_t value); bool __igt_sysfs_get_s32(int dir, const char *attr, int32_t *value); int32_t igt_sysfs_get_s32(int dir, const char *attr); bool __igt_sysfs_set_s32(int dir, const char *attr, int32_t value); void igt_sysfs_set_s32(int dir, const char *attr, int32_t value); bool __igt_sysfs_get_u64(int dir, const char *attr, uint64_t *value); uint64_t igt_sysfs_get_u64(int dir, const char *attr); bool __igt_sysfs_set_u64(int dir, const char *attr, uint64_t value); void igt_sysfs_set_u64(int dir, const char *attr, uint64_t value); bool __igt_sysfs_get_boolean(int dir, const char *attr, bool *value); bool igt_sysfs_get_boolean(int dir, const char *attr); bool __igt_sysfs_set_boolean(int dir, const char *attr, bool value); void igt_sysfs_set_boolean(int dir, const char *attr, bool value); void bind_fbcon(bool enable); void fbcon_blink_enable(bool enable); void igt_drm_debug_level_update(unsigned int new_log_level); void igt_drm_debug_level_reset(void); int igt_drm_debug_level_get(int dir); int igt_sysfs_drm_module_params_open(void); /** * igt_sysfs_rw_attr: * @dir: file descriptor for parent directory * @attr: name of sysfs attribute * @start: start value for searching for matching reads/writes * @tol: tolerance to use to compare written and read values * @rsvd: reserved field used internally * * Structure used to describe the rw sysfs attribute to * igt_sysfs_rw_attr_verify */ typedef struct igt_sysfs_rw_attr { int dir; char *attr; uint64_t start; double tol; } igt_sysfs_rw_attr_t; void igt_sysfs_rw_attr_verify(igt_sysfs_rw_attr_t *rw); int *igt_sysfs_get_engine_list(int engines); void igt_sysfs_free_engine_list(int *list); void igt_sysfs_engines(int xe, int engines, int gt, bool all, const char **property, void (*test)(int, int, const char **, uint16_t, int)); char *xe_sysfs_gt_path(int xe_device, int gt, char *path, int pathlen); int xe_sysfs_gt_open(int xe_device, int gt); bool xe_sysfs_gt_has_node(int xe_device, int gt, const char *node); char *xe_sysfs_tile_path(int xe_device, int tile, char *path, int pathlen); int xe_sysfs_tile_open(int xe_device, int tile); int xe_sysfs_get_num_tiles(int xe_device); char *xe_sysfs_engine_path(int xe_device, int gt, int class, char *path, int pathlen); int xe_sysfs_engine_open(int xe_device, int gt, int class); bool xe_sysfs_engine_class_get_property(int xe_device, int gt, uint16_t class, const char *property, uint32_t *value); bool xe_sysfs_engine_class_set_property(int xe_device, int gt, uint16_t class, const char *property, uint32_t new_value, uint32_t *old_value); #endif /* __IGT_SYSFS_H__ */