1/*	$NetBSD: tweio.h,v 1.5 2005/12/11 12:22:51 christos Exp $	*/
  2
  3/*-
  4 * Copyright (c) 2000 Michael Smith
  5 * Copyright (c) 2000 BSDi
  6 * All rights reserved.
  7 *
  8 * Redistribution and use in source and binary forms, with or without
  9 * modification, are permitted provided that the following conditions
 10 * are met:
 11 * 1. Redistributions of source code must retain the above copyright
 12 *    notice, this list of conditions and the following disclaimer.
 13 * 2. Redistributions in binary form must reproduce the above copyright
 14 *    notice, this list of conditions and the following disclaimer in the
 15 *    documentation and/or other materials provided with the distribution.
 16 *
 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 27 * SUCH DAMAGE.
 28 *
 29 * from FreeBSD: tweio.h,v 1.1 2000/10/25 06:59:05 msmith Exp
 30 */
 31
 32#ifndef _DEV_PCI_TWEIO_H_
 33#define	_DEV_PCI_TWEIO_H_
 34
 35#include <sys/ioccom.h>
 36#include <dev/pci/twereg.h>
 37
 38/*
 39 * User-space command
 40 *
 41 * Note that the command's scatter/gather list will be computed by the
 42 * driver, and cannot be filled in by the consumer.
 43 */
 44struct twe_usercommand {
 45	struct twe_cmd	tu_cmd;		/* command ready for the controller */
 46	void		*tu_data;	/* pointer to data in userspace */
 47	size_t		tu_size;	/* userspace data length */
 48};
 49
 50#define TWEIO_COMMAND	_IOWR('T', 100, struct twe_usercommand)
 51
 52/*
 53 * Command queue statistics
 54 */
 55#define	TWEQ_FREE	0
 56#define	TWEQ_BIO	1
 57#define	TWEQ_READY	2
 58#define	TWEQ_BUSY	3
 59#define	TWEQ_COMPLETE	4
 60#define	TWEQ_COUNT	5	/* total number of queues */
 61
 62struct twe_qstat {
 63	u_int32_t	q_length;
 64	u_int32_t	q_max;
 65};
 66
 67/*
 68 * Statistics request
 69 */
 70union twe_statrequest {
 71	u_int32_t		ts_item;
 72	struct twe_qstat	ts_qstat;
 73};
 74
 75#define	TWEIO_STATS	_IOWR('T', 101, union twe_statrequest)
 76
 77/*
 78 * AEN listen
 79 */
 80#define	TWEIO_AEN_POLL	_IOR('T', 102, int)
 81#define	TWEIO_AEN_WAIT	_IOR('T', 103, int)
 82
 83/*
 84 * Controller parameter access
 85 */
 86struct twe_paramcommand {
 87	u_int16_t	tp_table_id;
 88	u_int8_t	tp_param_id;
 89	void		*tp_data;
 90	u_int8_t	tp_size;
 91};
 92
 93#define	TWEIO_SET_PARAM	_IOW('T', 104, struct twe_paramcommand)
 94#define	TWEIO_GET_PARAM	_IOW('T', 105, struct twe_paramcommand)
 95
 96/*
 97 * Request a controller soft-reset
 98 */
 99#define	TWEIO_RESET	_IO('T', 106)
100
101/*
102 * Request a drive addition or deletion
103 */
104struct twe_drivecommand {
105	int		td_unit;
106};
107#define	TWEIO_ADD_UNIT	_IOW('U', 107, struct twe_drivecommand)
108#define	TWEIO_DEL_UNIT	_IOW('U', 108, struct twe_drivecommand)
109
110#endif /* _DEV_PCI_TWEIO_H_ */