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/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2022 Intel Corporation
*/
#ifndef _XE_GUC_LOG_H_
#define _XE_GUC_LOG_H_
#include "xe_guc_log_types.h"
#include "abi/guc_log_abi.h"
struct drm_printer;
struct xe_device;
#if IS_ENABLED(CONFIG_DRM_XE_DEBUG_GUC)
#define XE_GUC_LOG_EVENT_DATA_BUFFER_SIZE SZ_8M
#define XE_GUC_LOG_CRASH_DUMP_BUFFER_SIZE SZ_1M
#define XE_GUC_LOG_STATE_CAPTURE_BUFFER_SIZE SZ_2M
#else
#define XE_GUC_LOG_EVENT_DATA_BUFFER_SIZE SZ_64K
#define XE_GUC_LOG_CRASH_DUMP_BUFFER_SIZE SZ_16K
#define XE_GUC_LOG_STATE_CAPTURE_BUFFER_SIZE SZ_1M
#endif
#define GUC_LOG_SIZE (SZ_4K + \
XE_GUC_LOG_EVENT_DATA_BUFFER_SIZE + \
XE_GUC_LOG_CRASH_DUMP_BUFFER_SIZE + \
XE_GUC_LOG_STATE_CAPTURE_BUFFER_SIZE)
#define XE_GUC_LOG_EVENT_DATA_OFFSET SZ_4K
#define XE_GUC_LOG_CRASH_DUMP_OFFSET (XE_GUC_LOG_EVENT_DATA_OFFSET + \
XE_GUC_LOG_EVENT_DATA_BUFFER_SIZE)
#define XE_GUC_LOG_STATE_CAPTURE_OFFSET (XE_GUC_LOG_CRASH_DUMP_OFFSET + \
XE_GUC_LOG_CRASH_DUMP_BUFFER_SIZE)
/*
* While we're using plain log level in i915, GuC controls are much more...
* "elaborate"? We have a couple of bits for verbosity, separate bit for actual
* log enabling, and separate bit for default logging - which "conveniently"
* ignores the enable bit.
*/
#define GUC_LOG_LEVEL_DISABLED 0
#define GUC_LOG_LEVEL_NON_VERBOSE 1
#define GUC_LOG_LEVEL_IS_ENABLED(x) ((x) > GUC_LOG_LEVEL_DISABLED)
#define GUC_LOG_LEVEL_IS_VERBOSE(x) ((x) > GUC_LOG_LEVEL_NON_VERBOSE)
#define GUC_LOG_LEVEL_TO_VERBOSITY(x) ({ \
typeof(x) _x = (x); \
GUC_LOG_LEVEL_IS_VERBOSE(_x) ? _x - 2 : 0; \
})
#define GUC_VERBOSITY_TO_LOG_LEVEL(x) ((x) + 2)
#define GUC_LOG_LEVEL_MAX GUC_VERBOSITY_TO_LOG_LEVEL(GUC_LOG_VERBOSITY_MAX)
int xe_guc_log_init(struct xe_guc_log *log);
void xe_guc_log_print(struct xe_guc_log *log, struct drm_printer *p);
void xe_guc_log_print_lfd(struct xe_guc_log *log, struct drm_printer *p);
void xe_guc_log_print_dmesg(struct xe_guc_log *log);
struct xe_guc_log_snapshot *xe_guc_log_snapshot_capture(struct xe_guc_log *log, bool atomic);
void xe_guc_log_snapshot_print(struct xe_guc_log_snapshot *snapshot, struct drm_printer *p);
void xe_guc_log_snapshot_free(struct xe_guc_log_snapshot *snapshot);
static inline u32
xe_guc_log_get_level(struct xe_guc_log *log)
{
return log->level;
}
bool xe_guc_check_log_buf_overflow(struct xe_guc_log *log,
enum guc_log_type type,
unsigned int full_cnt);
#endif
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