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
11struct 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
39int xe_guc_log_init(struct xe_guc_log *log);
40void xe_guc_log_print(struct xe_guc_log *log, struct drm_printer *p);
41
42static inline u32
43xe_guc_log_get_level(struct xe_guc_log *log)
44{
45	return log->level;
46}
47
48#endif