2 * Copyright (c) 1997, 1998 Kenneth D. Merry.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. The name of the author may not be used to endorse or promote products
11 * derived from this software without specific prior written permission.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * Buffer encoding/decoding routines taken from the original FreeBSD SCSI
29 * library and slightly modified. The original header file had the following
32 /* Copyright (c) 1994 HD Associates (hd@world.std.com)
33 * All rights reserved.
35 * Redistribution and use in source and binary forms, with or without
36 * modification, are permitted provided that the following conditions
38 * 1. Redistributions of source code must retain the above copyright
39 * notice, this list of conditions and the following disclaimer.
40 * 2. Redistributions in binary form must reproduce the above copyright
41 * notice, this list of conditions and the following disclaimer in the
42 * documentation and/or other materials provided with the distribution.
43 * 3. All advertising materials mentioning features or use of this software
44 * must display the following acknowledgement:
45 * This product includes software developed by HD Associates
46 * 4. Neither the name of the HD Associaates nor the names of its contributors
47 * may be used to endorse or promote products derived from this software
48 * without specific prior written permission.
50 * THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES``AS IS'' AND
51 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
52 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
53 * ARE DISCLAIMED. IN NO EVENT SHALL HD ASSOCIATES OR CONTRIBUTORS BE LIABLE
54 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
55 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
56 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
57 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
58 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
59 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
67 #include <sys/cdefs.h>
68 #include <sys/param.h>
71 #include <cam/cam_ccb.h>
73 #define CAM_ERRBUF_SIZE 2048 /* sizeof the CAM libarary error string */
76 * Right now we hard code the transport layer device, but this will change
77 * if we ever get more than one transport layer.
79 #define XPT_DEVICE "/dev/xpt0"
82 extern char cam_errbuf[];
85 char device_path[MAXPATHLEN];/*
86 * Pathname of the device
87 * given by the user. This
89 * user states the device
90 * name and unit number
93 char given_dev_name[DEV_IDLEN+1];/*
94 * Device name given by
97 u_int32_t given_unit_number; /*
98 * Unit number given by
101 char device_name[DEV_IDLEN+1];/*
102 * Name of the device,
105 u_int32_t dev_unit_num; /* Unit number of the passthrough
106 * device associated with this
110 char sim_name[SIM_IDLEN+1]; /* Controller name, e.g. 'ahc' */
111 u_int32_t sim_unit_number; /* Controller unit number */
112 u_int32_t bus_id; /* Controller bus number */
113 lun_id_t target_lun; /* Logical Unit Number */
114 target_id_t target_id; /* Target ID */
115 path_id_t path_id; /* System SCSI bus number */
116 u_int16_t pd_type; /* type of peripheral device */
117 struct scsi_inquiry_data inq_data; /* SCSI Inquiry data */
118 u_int8_t serial_num[252]; /* device serial number */
119 u_int8_t serial_num_len; /* length of the serial number */
120 u_int8_t sync_period; /* Negotiated sync period */
121 u_int8_t sync_offset; /* Negotiated sync offset */
122 u_int8_t bus_width; /* Negotiated bus width */
123 int fd; /* file descriptor for device */
127 /* Basic utility commands */
128 struct cam_device * cam_open_device(const char *path, int flags);
129 void cam_close_device(struct cam_device *dev);
130 void cam_close_spec_device(struct cam_device *dev);
131 struct cam_device * cam_open_spec_device(const char *dev_name,
133 struct cam_device *device);
134 struct cam_device * cam_open_btl(path_id_t path_id, target_id_t target_id,
135 lun_id_t target_lun, int flags,
136 struct cam_device *device);
137 struct cam_device * cam_open_pass(const char *path, int flags,
138 struct cam_device *device);
139 union ccb * cam_getccb(struct cam_device *dev);
140 void cam_freeccb(union ccb *ccb);
141 int cam_send_ccb(struct cam_device *device, union ccb *ccb);
142 char * cam_path_string(struct cam_device *dev, char *str,
144 struct cam_device * cam_device_dup(struct cam_device *device);
145 void cam_device_copy(struct cam_device *src,
146 struct cam_device *dst);
147 int cam_get_device(const char *path, char *dev_name,
148 int devnamelen, int *unit);
151 * Buffer encoding/decoding routines, from the old SCSI library.
153 int csio_decode(struct ccb_scsiio *csio, const char *fmt, ...)
155 int csio_decode_visit(struct ccb_scsiio *csio, const char *fmt,
156 void (*arg_put)(void *, int, void *, int, char *),
158 int buff_decode(u_int8_t *buff, size_t len, const char *fmt, ...)
160 int buff_decode_visit(u_int8_t *buff, size_t len, const char *fmt,
161 void (*arg_put)(void *, int, void *, int, char *),
163 int csio_build(struct ccb_scsiio *csio, u_int8_t *data_ptr,
164 u_int32_t dxfer_len, u_int32_t flags, int retry_count,
165 int timeout, const char *cmd_spec, ...);
166 int csio_build_visit(struct ccb_scsiio *csio, u_int8_t *data_ptr,
167 u_int32_t dxfer_len, u_int32_t flags, int retry_count,
168 int timeout, const char *cmd_spec,
169 int (*arg_get)(void *hook, char *field_name),
171 int csio_encode(struct ccb_scsiio *csio, const char *fmt, ...)
173 int buff_encode_visit(u_int8_t *buff, size_t len, const char *fmt,
174 int (*arg_get)(void *hook, char *field_name),
176 int csio_encode_visit(struct ccb_scsiio *csio, const char *fmt,
177 int (*arg_get)(void *hook, char *field_name),
181 #endif /* _CAMLIB_H */