2 * SPDX-License-Identifier: (BSD-2-Clause AND BSD-4-Clause)
4 * Copyright (c) 1997, 1998 Kenneth D. Merry.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. The name of the author may not be used to endorse or promote products
13 * derived from this software without specific prior written permission.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * 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/param.h>
70 #include <cam/cam_ccb.h>
72 #define CAM_ERRBUF_SIZE 2048 /* CAM library error string size */
75 * Right now we hard code the transport layer device, but this will change
76 * if we ever get more than one transport layer.
78 #define XPT_DEVICE "/dev/xpt0"
81 extern char cam_errbuf[];
84 char device_path[MAXPATHLEN];/*
85 * Pathname of the device
86 * given by the user. This
88 * user states the device
89 * name and unit number
92 char given_dev_name[DEV_IDLEN+1];/*
93 * Device name given by
96 uint32_t given_unit_number; /*
97 * Unit number given by
100 char device_name[DEV_IDLEN+1];/*
101 * Name of the device,
104 uint32_t dev_unit_num; /* Unit number of the passthrough
105 * device associated with this
109 char sim_name[SIM_IDLEN+1]; /* Controller name, e.g. 'ahc' */
110 uint32_t sim_unit_number; /* Controller unit number */
111 uint32_t bus_id; /* Controller bus number */
112 lun_id_t target_lun; /* Logical Unit Number */
113 target_id_t target_id; /* Target ID */
114 path_id_t path_id; /* System SCSI bus number */
115 uint16_t pd_type; /* type of peripheral device */
116 struct scsi_inquiry_data inq_data; /* SCSI Inquiry data */
117 uint8_t serial_num[252]; /* device serial number */
118 uint8_t serial_num_len; /* length of the serial number */
119 uint8_t sync_period; /* Negotiated sync period */
120 uint8_t sync_offset; /* Negotiated sync offset */
121 uint8_t bus_width; /* Negotiated bus width */
122 int fd; /* file descriptor for device */
126 /* Basic utility commands */
127 struct cam_device * cam_open_device(const char *path, int flags);
128 void cam_close_device(struct cam_device *dev);
129 void cam_close_spec_device(struct cam_device *dev);
130 struct cam_device * cam_open_spec_device(const char *dev_name,
132 struct cam_device *device);
133 struct cam_device * cam_open_btl(path_id_t path_id, target_id_t target_id,
134 lun_id_t target_lun, int flags,
135 struct cam_device *device);
136 struct cam_device * cam_open_pass(const char *path, int flags,
137 struct cam_device *device);
138 union ccb * cam_getccb(struct cam_device *dev);
139 void cam_freeccb(union ccb *ccb);
140 int cam_send_ccb(struct cam_device *device, union ccb *ccb);
141 char * cam_path_string(struct cam_device *dev, char *str,
143 struct cam_device * cam_device_dup(struct cam_device *device);
144 void cam_device_copy(struct cam_device *src,
145 struct cam_device *dst);
146 int cam_get_device(const char *path, char *dev_name,
147 int devnamelen, int *unit);
150 * Buffer encoding/decoding routines, from the old SCSI library.
152 int csio_decode(struct ccb_scsiio *csio, const char *fmt, ...)
154 int csio_decode_visit(struct ccb_scsiio *csio, const char *fmt,
155 void (*arg_put)(void *, int, void *, int, char *),
157 int buff_decode(uint8_t *buff, size_t len, const char *fmt, ...)
159 int buff_decode_visit(uint8_t *buff, size_t len, const char *fmt,
160 void (*arg_put)(void *, int, void *, int, char *),
162 int csio_build(struct ccb_scsiio *csio, uint8_t *data_ptr,
163 uint32_t dxfer_len, uint32_t flags, int retry_count,
164 int timeout, const char *cmd_spec, ...);
165 int csio_build_visit(struct ccb_scsiio *csio, uint8_t *data_ptr,
166 uint32_t dxfer_len, uint32_t flags, int retry_count,
167 int timeout, const char *cmd_spec,
168 int (*arg_get)(void *hook, char *field_name),
170 int csio_encode(struct ccb_scsiio *csio, const char *fmt, ...)
172 int buff_encode_visit(uint8_t *buff, size_t len, const char *fmt,
173 int (*arg_get)(void *hook, char *field_name),
175 int csio_encode_visit(struct ccb_scsiio *csio, const char *fmt,
176 int (*arg_get)(void *hook, char *field_name),
180 #endif /* _CAMLIB_H */