#ifndef _NT_AFL_H_

#define _NT_AFL_H_

#include "nt_abi.h"

#include "nt_object.h"

/* advisory file locking command bits */

#define NT_AFL_CMD_LOCK_NONE	(0x0000)

#define NT_AFL_CMD_LOCK_READ	(0x0001)

#define NT_AFL_CMD_LOCK_WRITE	(0x0002)

#define NT_AFL_CMD_LOCK_PROBE	(0x0400)

#define NT_AFL_CMD_LOCK_NOWAIT	(0x0800)

/* advisory file locking info info */

typedef struct __attr_ptr_size_aligned__ _nt_afl_info {

	void *		hport;

	void *		hevent;

	void *		apc_routine;

	void *		apc_context;

	nt_guid		afldev;

	void *		l_hfile;

	int64_t		l_fileid;

	int64_t		l_start;

	int64_t		l_len;

	int32_t		l_pid;

	uint32_t	l_cmd;

	nt_iosb		ntiosb;

	nt_iosb *	riosb;

} nt_afl_info;

/* advisory file locking operation */

typedef struct __attr_ptr_size_aligned__ _nt_afl_op {

	void *		l_hfile;

	int64_t		l_fileid;

	int64_t		l_start;

	int64_t		l_len;

	uint32_t	l_pid;

	uint32_t	l_cmd;

} nt_afl_op;

/* advisory file locking client interfaces */

typedef int32_t	__stdcall ntapi_afl_create(

	__in	void *			hport,

	__out	nt_afl_info *		afl,

	__in	nt_oa *			oa,

	__out	nt_iosb *		iosb);

typedef int32_t	__stdcall ntapi_afl_open(

	__in	void *			hport,

	__out	nt_afl_info *		afl,

	__in	nt_oa *			oa,

	__out	nt_iosb *		iosb);

typedef int32_t	__stdcall ntapi_afl_fcntl(

	__in	nt_afl_info *		afl,

	__in	void *			hevent			__optional,

	__in	nt_io_apc_routine *	apc_routine		__optional,

	__in	void *			apc_context		__optional,

	__out	nt_iosb *		iosb,

	__in	uint32_t		afl_control_code,

	__in	void *			input_buffer		__optional,

	__in	uint32_t		input_buffer_length,

	__out	void *			output_buffer		__optional,

	__in	uint32_t		output_buffer_length);

typedef int32_t	__stdcall ntapi_afl_ioctl(

	__in	nt_afl_info *		afl,

	__in	void *			hevent			__optional,

	__in	nt_io_apc_routine *	apc_routine		__optional,

	__in	void *			apc_context		__optional,

	__out	nt_iosb *		iosb,

	__in	uint32_t		afl_control_code,

	__in	void *			input_buffer		__optional,

	__in	uint32_t		input_buffer_length,

	__out	void *			output_buffer		__optional,

	__in	uint32_t		output_buffer_length);

typedef int32_t	__stdcall ntapi_afl_query(

	__in	nt_afl_info *		afl,

	__out	nt_io_status_block *	iosb,

	__out	void *			afl_info,

	__in	uint32_t		afl_info_length,

	__in	int32_t			afl_ctl_cmd);

typedef int32_t	__stdcall ntapi_afl_set(

	__in	nt_afl_info *		afl,

	__out	nt_io_status_block *	iosb,

	__in	void *			afl_info,

	__in	uint32_t		afl_info_length,

	__in	int32_t			afl_ctl_cmd);

typedef int32_t	__stdcall ntapi_afl_cancel(

	__in	nt_afl_info *		afl,

	__out	nt_iosb *		iosb);

typedef int32_t	__stdcall ntapi_afl_free(

	__in	nt_afl_info *		afl,

	__out	nt_iosb *		iosb);

#endif