include/uapi/linux/rio_mport_cdev.h - kernel/common - Git at Google

 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
 /*
  * Copyright (c) 2015-2016, Integrated Device Technology Inc.
  * Copyright (c) 2015, Prodrive Technologies
  * Copyright (c) 2015, Texas Instruments Incorporated
  * Copyright (c) 2015, RapidIO Trade Association
  * All rights reserved.
  *
  * This software is available to you under a choice of one of two licenses.
  * You may choose to be licensed under the terms of the GNU General Public
  * License(GPL) Version 2, or the BSD-3 Clause license below:
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  * 1. Redistributions of source code must retain the above copyright notice,
  * this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright notice,
  * this list of conditions and the following disclaimer in the documentation
  * and/or other materials provided with the distribution.
  *
  * 3. Neither the name of the copyright holder nor the names of its contributors
  * may be used to endorse or promote products derived from this software without
  * specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */

 #ifndef _RIO_MPORT_CDEV_H_
 #define _RIO_MPORT_CDEV_H_

 #include <linux/ioctl.h>
 #include <linux/types.h>

 struct rio_mport_maint_io {
 	__u16 rioid;		/* destID of remote device */
 	__u8  hopcount;		/* hopcount to remote device */
 	__u8  pad0[5];
 	__u32 offset;		/* offset in register space */
 	__u32 length;		/* length in bytes */
 	__u64 buffer;		/* pointer to data buffer */
 };

 /*
  * Definitions for RapidIO data transfers:
  * - memory mapped (MAPPED)
  * - packet generation from memory (TRANSFER)
  */
 #define RIO_TRANSFER_MODE_MAPPED	(1 << 0)
 #define RIO_TRANSFER_MODE_TRANSFER	(1 << 1)
 #define RIO_CAP_DBL_SEND		(1 << 2)
 #define RIO_CAP_DBL_RECV		(1 << 3)
 #define RIO_CAP_PW_SEND			(1 << 4)
 #define RIO_CAP_PW_RECV			(1 << 5)
 #define RIO_CAP_MAP_OUTB		(1 << 6)
 #define RIO_CAP_MAP_INB			(1 << 7)

 struct rio_mport_properties {
 	__u16 hdid;
 	__u8  id;			/* Physical port ID */
 	__u8  index;
 	__u32 flags;
 	__u32 sys_size;		/* Default addressing size */
 	__u8  port_ok;
 	__u8  link_speed;
 	__u8  link_width;
 	__u8  pad0;
 	__u32 dma_max_sge;
 	__u32 dma_max_size;
 	__u32 dma_align;
 	__u32 transfer_mode;		/* Default transfer mode */
 	__u32 cap_sys_size;		/* Capable system sizes */
 	__u32 cap_addr_size;		/* Capable addressing sizes */
 	__u32 cap_transfer_mode;	/* Capable transfer modes */
 	__u32 cap_mport;		/* Mport capabilities */
 };

 /*
  * Definitions for RapidIO events;
  * - incoming port-writes
  * - incoming doorbells
  */
 #define RIO_DOORBELL	(1 << 0)
 #define RIO_PORTWRITE	(1 << 1)

 struct rio_doorbell {
 	__u16 rioid;
 	__u16 payload;
 };

 struct rio_doorbell_filter {
 	__u16 rioid;	/* Use RIO_INVALID_DESTID to match all ids */
 	__u16 low;
 	__u16 high;
 	__u16 pad0;
 };


 struct rio_portwrite {
 	__u32 payload[16];
 };

 struct rio_pw_filter {
 	__u32 mask;
 	__u32 low;
 	__u32 high;
 	__u32 pad0;
 };

 /* RapidIO base address for inbound requests set to value defined below
  * indicates that no specific RIO-to-local address translation is requested
  * and driver should use direct (one-to-one) address mapping.
 */
 #define RIO_MAP_ANY_ADDR	(__u64)(~((__u64) 0))

 struct rio_mmap {
 	__u16 rioid;
 	__u16 pad0[3];
 	__u64 rio_addr;
 	__u64 length;
 	__u64 handle;
 	__u64 address;
 };

 struct rio_dma_mem {
 	__u64 length;		/* length of DMA memory */
 	__u64 dma_handle;	/* handle associated with this memory */
 	__u64 address;
 };

 struct rio_event {
 	__u32 header;	/* event type RIO_DOORBELL or RIO_PORTWRITE */
 	union {
 		struct rio_doorbell doorbell;	/* header for RIO_DOORBELL */
 		struct rio_portwrite portwrite; /* header for RIO_PORTWRITE */
 	} u;
 	__u32 pad0;
 };

 enum rio_transfer_sync {
 	RIO_TRANSFER_SYNC,	/* synchronous transfer */
 	RIO_TRANSFER_ASYNC,	/* asynchronous transfer */
 	RIO_TRANSFER_FAF,	/* fire-and-forget transfer */
 };

 enum rio_transfer_dir {
 	RIO_TRANSFER_DIR_READ,	/* Read operation */
 	RIO_TRANSFER_DIR_WRITE,	/* Write operation */
 };

 /*
  * RapidIO data exchange transactions are lists of individual transfers. Each
  * transfer exchanges data between two RapidIO devices by remote direct memory
  * access and has its own completion code.
  *
  * The RapidIO specification defines four types of data exchange requests:
  * NREAD, NWRITE, SWRITE and NWRITE_R. The RapidIO DMA channel interface allows
  * to specify the required type of write operation or combination of them when
  * only the last data packet requires response.
  *
  * NREAD:    read up to 256 bytes from remote device memory into local memory
  * NWRITE:   write up to 256 bytes from local memory to remote device memory
  *           without confirmation
  * SWRITE:   as NWRITE, but all addresses and payloads must be 64-bit aligned
  * NWRITE_R: as NWRITE, but expect acknowledgment from remote device.
  *
  * The default exchange is chosen from NREAD and any of the WRITE modes as the
  * driver sees fit. For write requests the user can explicitly choose between
  * any of the write modes for each transaction.
  */
 enum rio_exchange {
 	RIO_EXCHANGE_DEFAULT,	/* Default method */
 	RIO_EXCHANGE_NWRITE,	/* All packets using NWRITE */
 	RIO_EXCHANGE_SWRITE,	/* All packets using SWRITE */
 	RIO_EXCHANGE_NWRITE_R,	/* Last packet NWRITE_R, others NWRITE */
 	RIO_EXCHANGE_SWRITE_R,	/* Last packet NWRITE_R, others SWRITE */
 	RIO_EXCHANGE_NWRITE_R_ALL, /* All packets using NWRITE_R */
 };

 struct rio_transfer_io {
 	__u64 rio_addr;	/* Address in target's RIO mem space */
 	__u64 loc_addr;
 	__u64 handle;
 	__u64 offset;	/* Offset in buffer */
 	__u64 length;	/* Length in bytes */
 	__u16 rioid;	/* Target destID */
 	__u16 method;	/* Data exchange method, one of rio_exchange enum */
 	__u32 completion_code;	/* Completion code for this transfer */
 };

 struct rio_transaction {
 	__u64 block;	/* Pointer to array of <count> transfers */
 	__u32 count;	/* Number of transfers */
 	__u32 transfer_mode;	/* Data transfer mode */
 	__u16 sync;	/* Synch method, one of rio_transfer_sync enum */
 	__u16 dir;	/* Transfer direction, one of rio_transfer_dir enum */
 	__u32 pad0;
 };

 struct rio_async_tx_wait {
 	__u32 token;	/* DMA transaction ID token */
 	__u32 timeout;	/* Wait timeout in msec, if 0 use default TO */
 };

 #define RIO_MAX_DEVNAME_SZ	20

 struct rio_rdev_info {
 	__u16 destid;
 	__u8 hopcount;
 	__u8 pad0;
 	__u32 comptag;
 	char name[RIO_MAX_DEVNAME_SZ + 1];
 };

 /* Driver IOCTL codes */
 #define RIO_MPORT_DRV_MAGIC           'm'

 #define RIO_MPORT_MAINT_HDID_SET	\
 	_IOW(RIO_MPORT_DRV_MAGIC, 1, __u16)
 #define RIO_MPORT_MAINT_COMPTAG_SET	\
 	_IOW(RIO_MPORT_DRV_MAGIC, 2, __u32)
 #define RIO_MPORT_MAINT_PORT_IDX_GET	\
 	_IOR(RIO_MPORT_DRV_MAGIC, 3, __u32)
 #define RIO_MPORT_GET_PROPERTIES \
 	_IOR(RIO_MPORT_DRV_MAGIC, 4, struct rio_mport_properties)
 #define RIO_MPORT_MAINT_READ_LOCAL \
 	_IOR(RIO_MPORT_DRV_MAGIC, 5, struct rio_mport_maint_io)
 #define RIO_MPORT_MAINT_WRITE_LOCAL \
 	_IOW(RIO_MPORT_DRV_MAGIC, 6, struct rio_mport_maint_io)
 #define RIO_MPORT_MAINT_READ_REMOTE \
 	_IOR(RIO_MPORT_DRV_MAGIC, 7, struct rio_mport_maint_io)
 #define RIO_MPORT_MAINT_WRITE_REMOTE \
 	_IOW(RIO_MPORT_DRV_MAGIC, 8, struct rio_mport_maint_io)
 #define RIO_ENABLE_DOORBELL_RANGE	\
 	_IOW(RIO_MPORT_DRV_MAGIC, 9, struct rio_doorbell_filter)
 #define RIO_DISABLE_DOORBELL_RANGE	\
 	_IOW(RIO_MPORT_DRV_MAGIC, 10, struct rio_doorbell_filter)
 #define RIO_ENABLE_PORTWRITE_RANGE	\
 	_IOW(RIO_MPORT_DRV_MAGIC, 11, struct rio_pw_filter)
 #define RIO_DISABLE_PORTWRITE_RANGE	\
 	_IOW(RIO_MPORT_DRV_MAGIC, 12, struct rio_pw_filter)
 #define RIO_SET_EVENT_MASK		\
 	_IOW(RIO_MPORT_DRV_MAGIC, 13, __u32)
 #define RIO_GET_EVENT_MASK		\
 	_IOR(RIO_MPORT_DRV_MAGIC, 14, __u32)
 #define RIO_MAP_OUTBOUND \
 	_IOWR(RIO_MPORT_DRV_MAGIC, 15, struct rio_mmap)
 #define RIO_UNMAP_OUTBOUND \
 	_IOW(RIO_MPORT_DRV_MAGIC, 16, struct rio_mmap)
 #define RIO_MAP_INBOUND \
 	_IOWR(RIO_MPORT_DRV_MAGIC, 17, struct rio_mmap)
 #define RIO_UNMAP_INBOUND \
 	_IOW(RIO_MPORT_DRV_MAGIC, 18, __u64)
 #define RIO_ALLOC_DMA \
 	_IOWR(RIO_MPORT_DRV_MAGIC, 19, struct rio_dma_mem)
 #define RIO_FREE_DMA \
 	_IOW(RIO_MPORT_DRV_MAGIC, 20, __u64)
 #define RIO_TRANSFER \
 	_IOWR(RIO_MPORT_DRV_MAGIC, 21, struct rio_transaction)
 #define RIO_WAIT_FOR_ASYNC \
 	_IOW(RIO_MPORT_DRV_MAGIC, 22, struct rio_async_tx_wait)
 #define RIO_DEV_ADD \
 	_IOW(RIO_MPORT_DRV_MAGIC, 23, struct rio_rdev_info)
 #define RIO_DEV_DEL \
 	_IOW(RIO_MPORT_DRV_MAGIC, 24, struct rio_rdev_info)

 #endif /* _RIO_MPORT_CDEV_H_ */
	/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
	/*
	* Copyright (c) 2015-2016, Integrated Device Technology Inc.
	* Copyright (c) 2015, Prodrive Technologies
	* Copyright (c) 2015, Texas Instruments Incorporated
	* Copyright (c) 2015, RapidIO Trade Association
	* All rights reserved.
	*
	* This software is available to you under a choice of one of two licenses.
	* You may choose to be licensed under the terms of the GNU General Public
	* License(GPL) Version 2, or the BSD-3 Clause license below:
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions are met:
	*
	* 1. Redistributions of source code must retain the above copyright notice,
	* this list of conditions and the following disclaimer.
	*
	* 2. Redistributions in binary form must reproduce the above copyright notice,
	* this list of conditions and the following disclaimer in the documentation
	* and/or other materials provided with the distribution.
	*
	* 3. Neither the name of the copyright holder nor the names of its contributors
	* may be used to endorse or promote products derived from this software without
	* specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
	* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
	* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
	* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
	* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/

	#ifndef _RIO_MPORT_CDEV_H_
	#define _RIO_MPORT_CDEV_H_

	#include <linux/ioctl.h>
	#include <linux/types.h>

	struct rio_mport_maint_io {
	__u16 rioid; /* destID of remote device */
	__u8 hopcount; /* hopcount to remote device */
	__u8 pad0[5];
	__u32 offset; /* offset in register space */
	__u32 length; /* length in bytes */
	__u64 buffer; /* pointer to data buffer */
	};

	/*
	* Definitions for RapidIO data transfers:
	* - memory mapped (MAPPED)
	* - packet generation from memory (TRANSFER)
	*/
	#define RIO_TRANSFER_MODE_MAPPED (1 << 0)
	#define RIO_TRANSFER_MODE_TRANSFER (1 << 1)
	#define RIO_CAP_DBL_SEND (1 << 2)
	#define RIO_CAP_DBL_RECV (1 << 3)
	#define RIO_CAP_PW_SEND (1 << 4)
	#define RIO_CAP_PW_RECV (1 << 5)
	#define RIO_CAP_MAP_OUTB (1 << 6)
	#define RIO_CAP_MAP_INB (1 << 7)

	struct rio_mport_properties {
	__u16 hdid;
	__u8 id; /* Physical port ID */
	__u8 index;
	__u32 flags;
	__u32 sys_size; /* Default addressing size */
	__u8 port_ok;
	__u8 link_speed;
	__u8 link_width;
	__u8 pad0;
	__u32 dma_max_sge;
	__u32 dma_max_size;
	__u32 dma_align;
	__u32 transfer_mode; /* Default transfer mode */
	__u32 cap_sys_size; /* Capable system sizes */
	__u32 cap_addr_size; /* Capable addressing sizes */
	__u32 cap_transfer_mode; /* Capable transfer modes */
	__u32 cap_mport; /* Mport capabilities */
	};

	/*
	* Definitions for RapidIO events;
	* - incoming port-writes
	* - incoming doorbells
	*/
	#define RIO_DOORBELL (1 << 0)
	#define RIO_PORTWRITE (1 << 1)

	struct rio_doorbell {
	__u16 rioid;
	__u16 payload;
	};

	struct rio_doorbell_filter {
	__u16 rioid; /* Use RIO_INVALID_DESTID to match all ids */
	__u16 low;
	__u16 high;
	__u16 pad0;
	};


	struct rio_portwrite {
	__u32 payload[16];
	};

	struct rio_pw_filter {
	__u32 mask;
	__u32 low;
	__u32 high;
	__u32 pad0;
	};

	/* RapidIO base address for inbound requests set to value defined below
	* indicates that no specific RIO-to-local address translation is requested
	* and driver should use direct (one-to-one) address mapping.
	*/
	#define RIO_MAP_ANY_ADDR (__u64)(~((__u64) 0))

	struct rio_mmap {
	__u16 rioid;
	__u16 pad0[3];
	__u64 rio_addr;
	__u64 length;
	__u64 handle;
	__u64 address;
	};

	struct rio_dma_mem {
	__u64 length; /* length of DMA memory */
	__u64 dma_handle; /* handle associated with this memory */
	__u64 address;
	};

	struct rio_event {
	__u32 header; /* event type RIO_DOORBELL or RIO_PORTWRITE */
	union {
	struct rio_doorbell doorbell; /* header for RIO_DOORBELL */
	struct rio_portwrite portwrite; /* header for RIO_PORTWRITE */
	} u;
	__u32 pad0;
	};

	enum rio_transfer_sync {
	RIO_TRANSFER_SYNC, /* synchronous transfer */
	RIO_TRANSFER_ASYNC, /* asynchronous transfer */
	RIO_TRANSFER_FAF, /* fire-and-forget transfer */
	};

	enum rio_transfer_dir {
	RIO_TRANSFER_DIR_READ, /* Read operation */
	RIO_TRANSFER_DIR_WRITE, /* Write operation */
	};

	/*
	* RapidIO data exchange transactions are lists of individual transfers. Each
	* transfer exchanges data between two RapidIO devices by remote direct memory
	* access and has its own completion code.
	*
	* The RapidIO specification defines four types of data exchange requests:
	* NREAD, NWRITE, SWRITE and NWRITE_R. The RapidIO DMA channel interface allows
	* to specify the required type of write operation or combination of them when
	* only the last data packet requires response.
	*
	* NREAD: read up to 256 bytes from remote device memory into local memory
	* NWRITE: write up to 256 bytes from local memory to remote device memory
	* without confirmation
	* SWRITE: as NWRITE, but all addresses and payloads must be 64-bit aligned
	* NWRITE_R: as NWRITE, but expect acknowledgment from remote device.
	*
	* The default exchange is chosen from NREAD and any of the WRITE modes as the
	* driver sees fit. For write requests the user can explicitly choose between
	* any of the write modes for each transaction.
	*/
	enum rio_exchange {
	RIO_EXCHANGE_DEFAULT, /* Default method */
	RIO_EXCHANGE_NWRITE, /* All packets using NWRITE */
	RIO_EXCHANGE_SWRITE, /* All packets using SWRITE */
	RIO_EXCHANGE_NWRITE_R, /* Last packet NWRITE_R, others NWRITE */
	RIO_EXCHANGE_SWRITE_R, /* Last packet NWRITE_R, others SWRITE */
	RIO_EXCHANGE_NWRITE_R_ALL, /* All packets using NWRITE_R */
	};

	struct rio_transfer_io {
	__u64 rio_addr; /* Address in target's RIO mem space */
	__u64 loc_addr;
	__u64 handle;
	__u64 offset; /* Offset in buffer */
	__u64 length; /* Length in bytes */
	__u16 rioid; /* Target destID */
	__u16 method; /* Data exchange method, one of rio_exchange enum */
	__u32 completion_code; /* Completion code for this transfer */
	};

	struct rio_transaction {
	__u64 block; /* Pointer to array of <count> transfers */
	__u32 count; /* Number of transfers */
	__u32 transfer_mode; /* Data transfer mode */
	__u16 sync; /* Synch method, one of rio_transfer_sync enum */
	__u16 dir; /* Transfer direction, one of rio_transfer_dir enum */
	__u32 pad0;
	};

	struct rio_async_tx_wait {
	__u32 token; /* DMA transaction ID token */
	__u32 timeout; /* Wait timeout in msec, if 0 use default TO */
	};

	#define RIO_MAX_DEVNAME_SZ 20

	struct rio_rdev_info {
	__u16 destid;
	__u8 hopcount;
	__u8 pad0;
	__u32 comptag;
	char name[RIO_MAX_DEVNAME_SZ + 1];
	};

	/* Driver IOCTL codes */
	#define RIO_MPORT_DRV_MAGIC 'm'

	#define RIO_MPORT_MAINT_HDID_SET \
	_IOW(RIO_MPORT_DRV_MAGIC, 1, __u16)
	#define RIO_MPORT_MAINT_COMPTAG_SET \
	_IOW(RIO_MPORT_DRV_MAGIC, 2, __u32)
	#define RIO_MPORT_MAINT_PORT_IDX_GET \
	_IOR(RIO_MPORT_DRV_MAGIC, 3, __u32)
	#define RIO_MPORT_GET_PROPERTIES \
	_IOR(RIO_MPORT_DRV_MAGIC, 4, struct rio_mport_properties)
	#define RIO_MPORT_MAINT_READ_LOCAL \
	_IOR(RIO_MPORT_DRV_MAGIC, 5, struct rio_mport_maint_io)
	#define RIO_MPORT_MAINT_WRITE_LOCAL \
	_IOW(RIO_MPORT_DRV_MAGIC, 6, struct rio_mport_maint_io)
	#define RIO_MPORT_MAINT_READ_REMOTE \
	_IOR(RIO_MPORT_DRV_MAGIC, 7, struct rio_mport_maint_io)
	#define RIO_MPORT_MAINT_WRITE_REMOTE \
	_IOW(RIO_MPORT_DRV_MAGIC, 8, struct rio_mport_maint_io)
	#define RIO_ENABLE_DOORBELL_RANGE \
	_IOW(RIO_MPORT_DRV_MAGIC, 9, struct rio_doorbell_filter)
	#define RIO_DISABLE_DOORBELL_RANGE \
	_IOW(RIO_MPORT_DRV_MAGIC, 10, struct rio_doorbell_filter)
	#define RIO_ENABLE_PORTWRITE_RANGE \
	_IOW(RIO_MPORT_DRV_MAGIC, 11, struct rio_pw_filter)
	#define RIO_DISABLE_PORTWRITE_RANGE \
	_IOW(RIO_MPORT_DRV_MAGIC, 12, struct rio_pw_filter)
	#define RIO_SET_EVENT_MASK \
	_IOW(RIO_MPORT_DRV_MAGIC, 13, __u32)
	#define RIO_GET_EVENT_MASK \
	_IOR(RIO_MPORT_DRV_MAGIC, 14, __u32)
	#define RIO_MAP_OUTBOUND \
	_IOWR(RIO_MPORT_DRV_MAGIC, 15, struct rio_mmap)
	#define RIO_UNMAP_OUTBOUND \
	_IOW(RIO_MPORT_DRV_MAGIC, 16, struct rio_mmap)
	#define RIO_MAP_INBOUND \
	_IOWR(RIO_MPORT_DRV_MAGIC, 17, struct rio_mmap)
	#define RIO_UNMAP_INBOUND \
	_IOW(RIO_MPORT_DRV_MAGIC, 18, __u64)
	#define RIO_ALLOC_DMA \
	_IOWR(RIO_MPORT_DRV_MAGIC, 19, struct rio_dma_mem)
	#define RIO_FREE_DMA \
	_IOW(RIO_MPORT_DRV_MAGIC, 20, __u64)
	#define RIO_TRANSFER \
	_IOWR(RIO_MPORT_DRV_MAGIC, 21, struct rio_transaction)
	#define RIO_WAIT_FOR_ASYNC \
	_IOW(RIO_MPORT_DRV_MAGIC, 22, struct rio_async_tx_wait)
	#define RIO_DEV_ADD \
	_IOW(RIO_MPORT_DRV_MAGIC, 23, struct rio_rdev_info)
	#define RIO_DEV_DEL \
	_IOW(RIO_MPORT_DRV_MAGIC, 24, struct rio_rdev_info)

	#endif /* _RIO_MPORT_CDEV_H_ */