/********************************************************/

/*  ntapi: Native API core library                      */

/*  Copyright (C) 2013--2016  Z. Gilboa                 */

/*  Released under GPLv2 and GPLv3; see COPYING.NTAPI.  */

/********************************************************/

#include <psxtypes/psxtypes.h>

#include <ntapi/nt_port.h>

#include <ntapi/nt_vmount.h>

#include <ntapi/ntapi.h>

#include "ntapi_impl.h"

static int32_t __stdcall __ntapi_vms_ref_count_inc_dec(

	__in	void *			hvms,

	__in	nt_vms_ref_count_info *	ref_cnt_info,

	__in	int32_t			vms_opcode)

{

	int32_t			status;

	nt_vms_daemon_msg	msg;

	/* msg */

	__ntapi->tt_aligned_block_memset(&msg,0,sizeof(msg));

	msg.header.msg_type	= NT_LPC_NEW_MESSAGE;

	msg.header.data_size	= sizeof(msg.data);

	msg.header.msg_size	= sizeof(msg);

	msg.data.msginfo.opcode	= vms_opcode;

	/* copy ref count info to msg */

	__ntapi->tt_aligned_block_memcpy(

		(uintptr_t *)&(msg.data.refcntinfo),

		(uintptr_t *)ref_cnt_info,

		sizeof(*ref_cnt_info));

	/* zw_request_wait_reply_port */

	status = __ntapi->zw_request_wait_reply_port(

		hvms,

		&msg,

		&msg;;

	if (status) return status;

	/* return info */

	__ntapi->tt_aligned_block_memcpy(

		(uintptr_t *)ref_cnt_info,

		(uintptr_t *)&(msg.data.refcntinfo),

		sizeof(*ref_cnt_info));

	/* return vms status */

	return status ? status : msg.data.msginfo.status;

}

int32_t __stdcall __ntapi_vms_ref_count_inc(

	__in	void *			hvms,

	__in	nt_vms_ref_count_info *	ref_cnt_info)

{

	return __ntapi_vms_ref_count_inc_dec(

		hvms,

		ref_cnt_info,

		NT_VMS_REF_COUNT_INC);

}

int32_t __stdcall __ntapi_vms_ref_count_dec(

	__in	void *			hvms,

	__in	nt_vms_ref_count_info *	ref_cnt_info)

{

	return __ntapi_vms_ref_count_inc_dec(

		hvms,

		ref_cnt_info,

		NT_VMS_REF_COUNT_DEC);

}

int32_t __stdcall __ntapi_vms_point_detach(

	__in	void *			hvms,

	__in	nt_vms_ref_count_info *	ref_cnt_info)

{

	return __ntapi_vms_ref_count_inc_dec(

		hvms,

		ref_cnt_info,

		NT_VMS_POINT_DETACH);

}

int32_t __stdcall __ntapi_vms_point_get_handles(

	__in	void *			hvms,

	__in	nt_vms_ref_count_info *	ref_cnt_info)

{

	return __ntapi_vms_ref_count_inc_dec(

		hvms,

		ref_cnt_info,

		NT_VMS_POINT_GET_HANDLES);

}