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Diffstat (limited to 'drivers/staging/android/logger.h')
| -rw-r--r-- | drivers/staging/android/logger.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/staging/android/logger.h b/drivers/staging/android/logger.h new file mode 100644 index 00000000000..70af7d805df --- /dev/null +++ b/drivers/staging/android/logger.h @@ -0,0 +1,89 @@ +/* include/linux/logger.h + * + * Copyright (C) 2007-2008 Google, Inc. + * Author: Robert Love <rlove@android.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * 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 _LINUX_LOGGER_H +#define _LINUX_LOGGER_H + +#include <linux/types.h> +#include <linux/ioctl.h> + +/** + * struct user_logger_entry_compat - defines a single entry that is given to a logger + * @len: The length of the payload + * @__pad: Two bytes of padding that appear to be required + * @pid: The generating process' process ID + * @tid: The generating process' thread ID + * @sec: The number of seconds that have elapsed since the Epoch + * @nsec: The number of nanoseconds that have elapsed since @sec + * @msg: The message that is to be logged + * + * The userspace structure for version 1 of the logger_entry ABI. + * This structure is returned to userspace unless the caller requests + * an upgrade to a newer ABI version. + */ +struct user_logger_entry_compat { + __u16 len; + __u16 __pad; + __s32 pid; + __s32 tid; + __s32 sec; + __s32 nsec; + char msg[0]; +}; + +/** + * struct logger_entry - defines a single entry that is given to a logger + * @len: The length of the payload + * @hdr_size: sizeof(struct logger_entry_v2) + * @pid: The generating process' process ID + * @tid: The generating process' thread ID + * @sec: The number of seconds that have elapsed since the Epoch + * @nsec: The number of nanoseconds that have elapsed since @sec + * @euid: Effective UID of logger + * @msg: The message that is to be logged + * + * The structure for version 2 of the logger_entry ABI. + * This structure is returned to userspace if ioctl(LOGGER_SET_VERSION) + * is called with version >= 2 + */ +struct logger_entry { + __u16 len; + __u16 hdr_size; + __s32 pid; + __s32 tid; + __s32 sec; + __s32 nsec; + kuid_t euid; + char msg[0]; +}; + +#define LOGGER_LOG_RADIO "log_radio" /* radio-related messages */ +#define LOGGER_LOG_EVENTS "log_events" /* system/hardware events */ +#define LOGGER_LOG_SYSTEM "log_system" /* system/framework messages */ +#define LOGGER_LOG_MAIN "log_main" /* everything else */ + +#define LOGGER_ENTRY_MAX_PAYLOAD 4076 + +#define __LOGGERIO 0xAE + +#define LOGGER_GET_LOG_BUF_SIZE _IO(__LOGGERIO, 1) /* size of log */ +#define LOGGER_GET_LOG_LEN _IO(__LOGGERIO, 2) /* used log len */ +#define LOGGER_GET_NEXT_ENTRY_LEN _IO(__LOGGERIO, 3) /* next entry len */ +#define LOGGER_FLUSH_LOG _IO(__LOGGERIO, 4) /* flush log */ +#define LOGGER_GET_VERSION _IO(__LOGGERIO, 5) /* abi version */ +#define LOGGER_SET_VERSION _IO(__LOGGERIO, 6) /* abi version */ + +#endif /* _LINUX_LOGGER_H */ |