Revert "logger: Add the update kernel struct to userspace"

#define _UTILS_LOGGER_H

#include <stdint.h>

#include <sys/types.h>

/*

 * The userspace structure for version 1 of the logger_entry ABI.

 * This structure is returned to userspace by the kernel logger

 * driver unless an upgrade to a newer ABI version is requested.

 */

struct logger_entry {

    uint16_t    len;    /* length of the payload */

    uint16_t    __pad;  /* no matter what, we get 2 bytes of padding */

    char        msg[0]; /* the entry's payload */

};

/*

 * The userspace 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_v2 {

    uint16_t    len;       /* length of the payload */

    uint16_t    hdr_size;  /* sizeof(struct logger_entry_v2) */

    int32_t     pid;       /* generating process's pid */

    int32_t     tid;       /* generating process's tid */

    int32_t     sec;       /* seconds since Epoch */

    int32_t     nsec;      /* nanoseconds */

    uid_t       euid;      /* effective UID of logger */

    char        msg[0];    /* the entry's payload */

};

#define LOGGER_LOG_MAIN		"log/main"

#define LOGGER_LOG_RADIO	"log/radio"

#define LOGGER_LOG_EVENTS	"log/events"

#define LOGGER_LOG_SYSTEM	"log/system"

/*

 * The maximum size of the log entry payload that can be

 * written to the kernel logger driver. An attempt to write

 * more than this amount to /dev/log/* will result in a

 * truncated log entry.

 */

#define LOGGER_ENTRY_MAX_PAYLOAD	4076

/*

 * The maximum size of a log entry which can be read from the

 * kernel logger driver. An attempt to read less than this amount

 * may result in read() returning EINVAL.

 */

#define LOGGER_ENTRY_MAX_LEN		(5*1024)

#define LOGGER_ENTRY_MAX_LEN		(4*1024)

#define LOGGER_ENTRY_MAX_PAYLOAD	\

	(LOGGER_ENTRY_MAX_LEN - sizeof(struct logger_entry))

#ifdef HAVE_IOCTL

#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 // HAVE_IOCTL