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 11 struct drm_printer; 12 13 #if IS_ENABLED(CONFIG_DRM_XE_LARGE_GUC_BUFFER) 14 #define CRASH_BUFFER_SIZE SZ_1M 15 #define DEBUG_BUFFER_SIZE SZ_8M 16 #define CAPTURE_BUFFER_SIZE SZ_2M 17 #else 18 #define CRASH_BUFFER_SIZE SZ_8K 19 #define DEBUG_BUFFER_SIZE SZ_64K 20 #define CAPTURE_BUFFER_SIZE SZ_16K 21 #endif 22 /* 23 * While we're using plain log level in i915, GuC controls are much more... 24 * "elaborate"? We have a couple of bits for verbosity, separate bit for actual 25 * log enabling, and separate bit for default logging - which "conveniently" 26 * ignores the enable bit. 27 */ 28 #define GUC_LOG_LEVEL_DISABLED 0 29 #define GUC_LOG_LEVEL_NON_VERBOSE 1 30 #define GUC_LOG_LEVEL_IS_ENABLED(x) ((x) > GUC_LOG_LEVEL_DISABLED) 31 #define GUC_LOG_LEVEL_IS_VERBOSE(x) ((x) > GUC_LOG_LEVEL_NON_VERBOSE) 32 #define GUC_LOG_LEVEL_TO_VERBOSITY(x) ({ \ 33 typeof(x) _x = (x); \ 34 GUC_LOG_LEVEL_IS_VERBOSE(_x) ? _x - 2 : 0; \ 35 }) 36 #define GUC_VERBOSITY_TO_LOG_LEVEL(x) ((x) + 2) 37 #define GUC_LOG_LEVEL_MAX GUC_VERBOSITY_TO_LOG_LEVEL(GUC_LOG_VERBOSITY_MAX) 38 39 int xe_guc_log_init(struct xe_guc_log *log); 40 void xe_guc_log_print(struct xe_guc_log *log, struct drm_printer *p); 41 42 static inline u32 43 xe_guc_log_get_level(struct xe_guc_log *log) 44 { 45 return log->level; 46 } 47 48 #endif 49