Home | History | Annotate | Line # | Download | only in pci 
      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  */
     44 struct 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 
     62 struct twe_qstat {
     63 	u_int32_t	q_length;
     64 	u_int32_t	q_max;
     65 };
     66 
     67 /*
     68  * Statistics request
     69  */
     70 union 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  */
     86 struct 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  */
    104 struct 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_ */
    111