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_DEBUG_GUC) 16 #define XE_GUC_LOG_EVENT_DATA_BUFFER_SIZE SZ_8M 17 #define XE_GUC_LOG_CRASH_DUMP_BUFFER_SIZE SZ_1M 18 #define XE_GUC_LOG_STATE_CAPTURE_BUFFER_SIZE SZ_2M 19 #else 20 #define XE_GUC_LOG_EVENT_DATA_BUFFER_SIZE SZ_64K 21 #define XE_GUC_LOG_CRASH_DUMP_BUFFER_SIZE SZ_16K 22 #define XE_GUC_LOG_STATE_CAPTURE_BUFFER_SIZE SZ_1M 23 #endif 24 25 #define GUC_LOG_SIZE (SZ_4K + \ 26 XE_GUC_LOG_EVENT_DATA_BUFFER_SIZE + \ 27 XE_GUC_LOG_CRASH_DUMP_BUFFER_SIZE + \ 28 XE_GUC_LOG_STATE_CAPTURE_BUFFER_SIZE) 29 30 #define XE_GUC_LOG_EVENT_DATA_OFFSET SZ_4K 31 #define XE_GUC_LOG_CRASH_DUMP_OFFSET (XE_GUC_LOG_EVENT_DATA_OFFSET + \ 32 XE_GUC_LOG_EVENT_DATA_BUFFER_SIZE) 33 #define XE_GUC_LOG_STATE_CAPTURE_OFFSET (XE_GUC_LOG_CRASH_DUMP_OFFSET + \ 34 XE_GUC_LOG_CRASH_DUMP_BUFFER_SIZE) 35 36 /* 37 * While we're using plain log level in i915, GuC controls are much more... 38 * "elaborate"? We have a couple of bits for verbosity, separate bit for actual 39 * log enabling, and separate bit for default logging - which "conveniently" 40 * ignores the enable bit. 41 */ 42 #define GUC_LOG_LEVEL_DISABLED 0 43 #define GUC_LOG_LEVEL_NON_VERBOSE 1 44 #define GUC_LOG_LEVEL_IS_ENABLED(x) ((x) > GUC_LOG_LEVEL_DISABLED) 45 #define GUC_LOG_LEVEL_IS_VERBOSE(x) ((x) > GUC_LOG_LEVEL_NON_VERBOSE) 46 #define GUC_LOG_LEVEL_TO_VERBOSITY(x) ({ \ 47 typeof(x) _x = (x); \ 48 GUC_LOG_LEVEL_IS_VERBOSE(_x) ? _x - 2 : 0; \ 49 }) 50 #define GUC_VERBOSITY_TO_LOG_LEVEL(x) ((x) + 2) 51 #define GUC_LOG_LEVEL_MAX GUC_VERBOSITY_TO_LOG_LEVEL(GUC_LOG_VERBOSITY_MAX) 52 53 int xe_guc_log_init(struct xe_guc_log *log); 54 void xe_guc_log_print(struct xe_guc_log *log, struct drm_printer *p); 55 void xe_guc_log_print_lfd(struct xe_guc_log *log, struct drm_printer *p); 56 void xe_guc_log_print_dmesg(struct xe_guc_log *log); 57 struct xe_guc_log_snapshot *xe_guc_log_snapshot_capture(struct xe_guc_log *log, bool atomic); 58 void xe_guc_log_snapshot_print(struct xe_guc_log_snapshot *snapshot, struct drm_printer *p); 59 void xe_guc_log_snapshot_free(struct xe_guc_log_snapshot *snapshot); 60 61 static inline u32 62 xe_guc_log_get_level(struct xe_guc_log *log) 63 { 64 return log->level; 65 } 66 67 bool xe_guc_check_log_buf_overflow(struct xe_guc_log *log, 68 enum guc_log_type type, 69 unsigned int full_cnt); 70 71 #endif 72