| /* Copyright (c) 2016, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #ifndef SDE_DBG_H_ |
| #define SDE_DBG_H_ |
| |
| #include <stdarg.h> |
| #include <linux/debugfs.h> |
| #include <linux/list.h> |
| |
| #define SDE_EVTLOG_DATA_LIMITER (-1) |
| #define SDE_EVTLOG_FUNC_ENTRY 0x1111 |
| #define SDE_EVTLOG_FUNC_EXIT 0x2222 |
| |
| enum sde_dbg_evtlog_flag { |
| SDE_EVTLOG_DEFAULT = BIT(0), |
| SDE_EVTLOG_IRQ = BIT(1), |
| SDE_EVTLOG_ALL = BIT(7) |
| }; |
| |
| /** |
| * SDE_EVT32 - Write an list of 32bit values as an event into the event log |
| * ... - variable arguments |
| */ |
| #define SDE_EVT32(...) sde_evtlog(__func__, __LINE__, SDE_EVTLOG_DEFAULT, \ |
| ##__VA_ARGS__, SDE_EVTLOG_DATA_LIMITER) |
| #define SDE_EVT32_IRQ(...) sde_evtlog(__func__, __LINE__, SDE_EVTLOG_IRQ, \ |
| ##__VA_ARGS__, SDE_EVTLOG_DATA_LIMITER) |
| |
| |
| #if defined(CONFIG_DEBUG_FS) |
| |
| int sde_evtlog_init(struct dentry *debugfs_root); |
| void sde_evtlog_destroy(void); |
| void sde_evtlog(const char *name, int line, int flag, ...); |
| #else |
| |
| static inline int sde_evtlog_init(struct dentry *debugfs_root) |
| { |
| return 0; |
| } |
| static inline void sde_evtlog(const char *name, int line, flag, ...) { } |
| void sde_evtlog_destroy(void) { } |
| #endif |
| |
| #endif /* SDE_DBG_H_ */ |