| 1 | /* SPDX-License-Identifier: MIT */ |
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| 2 | /* |
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| 3 | * Copyright © 2022 Intel Corporation |
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| 4 | */ |
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| 5 | |
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| 6 | #ifndef _XE_GUC_LOG_H_ |
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| 7 | #define _XE_GUC_LOG_H_ |
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| 8 | |
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| 9 | #include "xe_guc_log_types.h" |
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| 10 | #include "abi/guc_log_abi.h" |
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| 11 | |
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| 12 | struct drm_printer; |
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| 13 | struct xe_device; |
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| 14 | |
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| 15 | #if IS_ENABLED(CONFIG_DRM_XE_DEBUG_GUC) |
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| 16 | #define CRASH_BUFFER_SIZE SZ_1M |
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| 17 | #define DEBUG_BUFFER_SIZE SZ_8M |
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| 18 | #define CAPTURE_BUFFER_SIZE SZ_2M |
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| 19 | #else |
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| 20 | #define CRASH_BUFFER_SIZE SZ_16K |
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| 21 | #define DEBUG_BUFFER_SIZE SZ_64K |
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| 22 | #define CAPTURE_BUFFER_SIZE SZ_1M |
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| 23 | #endif |
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| 24 | /* |
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| 25 | * While we're using plain log level in i915, GuC controls are much more... |
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| 26 | * "elaborate"? We have a couple of bits for verbosity, separate bit for actual |
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| 27 | * log enabling, and separate bit for default logging - which "conveniently" |
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| 28 | * ignores the enable bit. |
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| 29 | */ |
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| 30 | #define GUC_LOG_LEVEL_DISABLED 0 |
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| 31 | #define GUC_LOG_LEVEL_NON_VERBOSE 1 |
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| 32 | #define GUC_LOG_LEVEL_IS_ENABLED(x) ((x) > GUC_LOG_LEVEL_DISABLED) |
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| 33 | #define GUC_LOG_LEVEL_IS_VERBOSE(x) ((x) > GUC_LOG_LEVEL_NON_VERBOSE) |
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| 34 | #define GUC_LOG_LEVEL_TO_VERBOSITY(x) ({ \ |
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| 35 | typeof(x) _x = (x); \ |
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| 36 | GUC_LOG_LEVEL_IS_VERBOSE(_x) ? _x - 2 : 0; \ |
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| 37 | }) |
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| 38 | #define GUC_VERBOSITY_TO_LOG_LEVEL(x) ((x) + 2) |
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| 39 | #define GUC_LOG_LEVEL_MAX GUC_VERBOSITY_TO_LOG_LEVEL(GUC_LOG_VERBOSITY_MAX) |
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| 40 | |
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| 41 | int xe_guc_log_init(struct xe_guc_log *log); |
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| 42 | void xe_guc_log_print(struct xe_guc_log *log, struct drm_printer *p); |
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| 43 | void xe_guc_log_print_dmesg(struct xe_guc_log *log); |
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| 44 | struct xe_guc_log_snapshot *xe_guc_log_snapshot_capture(struct xe_guc_log *log, bool atomic); |
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| 45 | void xe_guc_log_snapshot_print(struct xe_guc_log_snapshot *snapshot, struct drm_printer *p); |
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| 46 | void xe_guc_log_snapshot_free(struct xe_guc_log_snapshot *snapshot); |
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| 47 | |
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| 48 | static inline u32 |
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| 49 | xe_guc_log_get_level(struct xe_guc_log *log) |
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| 50 | { |
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| 51 | return log->level; |
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| 52 | } |
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| 53 | |
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| 54 | u32 xe_guc_log_section_size_capture(struct xe_guc_log *log); |
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| 55 | u32 xe_guc_get_log_buffer_size(struct xe_guc_log *log, enum guc_log_buffer_type type); |
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| 56 | u32 xe_guc_get_log_buffer_offset(struct xe_guc_log *log, enum guc_log_buffer_type type); |
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| 57 | bool xe_guc_check_log_buf_overflow(struct xe_guc_log *log, |
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| 58 | enum guc_log_buffer_type type, |
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| 59 | unsigned int full_cnt); |
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| 60 | |
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| 61 | #endif |
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| 62 | |
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