1 /* SPDX-License-Identifier: MIT */ 2 /* 3 * Copyright © 2022 Intel Corporation 4 */ 5 6 #ifndef _XE_GUC_LOG_H_ 7 #define _XE_GUC_LOG_H_ 8 9 #include "xe_guc_log_types.h" 10 #include "abi/guc_log_abi.h" 11 12 struct drm_printer; 13 struct xe_device; 14 15 #if IS_ENABLED(CONFIG_DRM_XE_LARGE_GUC_BUFFER) 16 #define CRASH_BUFFER_SIZE SZ_1M 17 #define DEBUG_BUFFER_SIZE SZ_8M 18 #define CAPTURE_BUFFER_SIZE SZ_2M 19 #else 20 #define CRASH_BUFFER_SIZE SZ_8K 21 #define DEBUG_BUFFER_SIZE SZ_64K 22 #define CAPTURE_BUFFER_SIZE SZ_1M 23 #endif 24 /* 25 * While we're using plain log level in i915, GuC controls are much more... 26 * "elaborate"? We have a couple of bits for verbosity, separate bit for actual 27 * log enabling, and separate bit for default logging - which "conveniently" 28 * ignores the enable bit. 29 */ 30 #define GUC_LOG_LEVEL_DISABLED 0 31 #define GUC_LOG_LEVEL_NON_VERBOSE 1 32 #define GUC_LOG_LEVEL_IS_ENABLED(x) ((x) > GUC_LOG_LEVEL_DISABLED) 33 #define GUC_LOG_LEVEL_IS_VERBOSE(x) ((x) > GUC_LOG_LEVEL_NON_VERBOSE) 34 #define GUC_LOG_LEVEL_TO_VERBOSITY(x) ({ \ 35 typeof(x) _x = (x); \ 36 GUC_LOG_LEVEL_IS_VERBOSE(_x) ? _x - 2 : 0; \ 37 }) 38 #define GUC_VERBOSITY_TO_LOG_LEVEL(x) ((x) + 2) 39 #define GUC_LOG_LEVEL_MAX GUC_VERBOSITY_TO_LOG_LEVEL(GUC_LOG_VERBOSITY_MAX) 40 41 int xe_guc_log_init(struct xe_guc_log *log); 42 void xe_guc_log_print(struct xe_guc_log *log, struct drm_printer *p); 43 void xe_guc_log_print_dmesg(struct xe_guc_log *log); 44 struct xe_guc_log_snapshot *xe_guc_log_snapshot_capture(struct xe_guc_log *log, bool atomic); 45 void xe_guc_log_snapshot_print(struct xe_guc_log_snapshot *snapshot, struct drm_printer *p); 46 void xe_guc_log_snapshot_free(struct xe_guc_log_snapshot *snapshot); 47 48 static inline u32 49 xe_guc_log_get_level(struct xe_guc_log *log) 50 { 51 return log->level; 52 } 53 54 u32 xe_guc_log_section_size_capture(struct xe_guc_log *log); 55 u32 xe_guc_get_log_buffer_size(struct xe_guc_log *log, enum guc_log_buffer_type type); 56 u32 xe_guc_get_log_buffer_offset(struct xe_guc_log *log, enum guc_log_buffer_type type); 57 bool xe_guc_check_log_buf_overflow(struct xe_guc_log *log, 58 enum guc_log_buffer_type type, 59 unsigned int full_cnt); 60 61 #endif 62