xref: /freebsd/sys/dev/firewire/sbp.h (revision 2008043f386721d58158e37e0d7e50df8095942d)
1 /*-
2  * SPDX-License-Identifier: BSD-4-Clause
3  *
4  * Copyright (c) 2003 Hidetoshi Shimokawa
5  * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
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  * 3. All advertising materials mentioning features or use of this software
17  *    must display the acknowledgement as bellow:
18  *
19  *    This product includes software developed by K. Kobayashi and H. Shimokawa
20  *
21  * 4. The name of the author may not be used to endorse or promote products
22  *    derived from this software without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
25  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
26  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
28  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
30  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
32  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
33  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34  * POSSIBILITY OF SUCH DAMAGE.
35  *
36  *
37  */
38 
39 #define ORB_NOTIFY	(1U << 31)
40 #define	ORB_FMT_STD	(0 << 29)
41 #define	ORB_FMT_VED	(2 << 29)
42 #define	ORB_FMT_NOP	(3 << 29)
43 #define	ORB_FMT_MSK	(3 << 29)
44 #define	ORB_EXV		(1 << 28)
45 /* */
46 #define	ORB_CMD_IN	(1 << 27)
47 /* */
48 #define	ORB_CMD_SPD(x)	((x) << 24)
49 #define	ORB_CMD_MAXP(x)	((x) << 20)
50 #define	ORB_RCN_TMO(x)	((x) << 20)
51 #define	ORB_CMD_PTBL	(1 << 19)
52 #define	ORB_CMD_PSZ(x)	((x) << 16)
53 
54 #define	ORB_FUN_LGI	(0 << 16)
55 #define	ORB_FUN_QLG	(1 << 16)
56 #define	ORB_FUN_RCN	(3 << 16)
57 #define	ORB_FUN_LGO	(7 << 16)
58 #define	ORB_FUN_ATA	(0xb << 16)
59 #define	ORB_FUN_ATS	(0xc << 16)
60 #define	ORB_FUN_LUR	(0xe << 16)
61 #define	ORB_FUN_RST	(0xf << 16)
62 #define	ORB_FUN_MSK	(0xf << 16)
63 #define	ORB_FUN_RUNQUEUE 0xffff
64 
65 #define ORB_RES_CMPL 0
66 #define ORB_RES_FAIL 1
67 #define ORB_RES_ILLE 2
68 #define ORB_RES_VEND 3
69 
70 #define SBP_DEBUG(x)	if (debug > x) {
71 #define END_DEBUG	}
72 
73 struct ind_ptr {
74 	uint32_t hi,lo;
75 };
76 
77 
78 #define SBP_RECV_LEN 32
79 
80 struct sbp_login_res {
81 	uint16_t	len;
82 	uint16_t	id;
83 	uint16_t	res0;
84 	uint16_t	cmd_hi;
85 	uint32_t	cmd_lo;
86 	uint16_t	res1;
87 	uint16_t	recon_hold;
88 };
89 
90 struct sbp_status {
91 #if BYTE_ORDER == BIG_ENDIAN
92 	uint8_t		src:2,
93 			resp:2,
94 			dead:1,
95 			len:3;
96 #else
97 	uint8_t		len:3,
98 			dead:1,
99 			resp:2,
100 			src:2;
101 #endif
102 	uint8_t		status;
103 	uint16_t	orb_hi;
104 	uint32_t	orb_lo;
105 	uint32_t	data[6];
106 };
107 /* src */
108 #define SRC_NEXT_EXISTS	0
109 #define SRC_NO_NEXT	1
110 #define SRC_UNSOL	2
111 
112 /* resp */
113 #define SBP_REQ_CMP	0	/* request complete */
114 #define SBP_TRANS_FAIL	1	/* transport failure */
115 #define SBP_ILLE_REQ	2	/* illegal request */
116 #define SBP_VEND_DEP	3	/* vendor dependent */
117 
118 /* status (resp == 0) */
119 /*   0: No additional Information to report */
120 /*   1: Request Type not supported */
121 /*   2: Speed not supported */
122 /*   3: Page size not supported */
123 /*   4: Access denied */
124 #define STATUS_ACCESS_DENY	4
125 #define STATUS_LUR		5
126 /*   6: Maximum payload too small */
127 /*   7: Reserved for future standardization */
128 /*   8: Resource unavailable */
129 #define STATUS_RES_UNAVAIL	8
130 /*   9: Function Rejected */
131 /*  10: Login ID not recognized */
132 /*  11: Dummy ORB completed */
133 /*  12: Request aborted */
134 /* 255: Unspecified error */
135 
136 /* status (resp == 1) */
137 /* Referenced object */
138 #define OBJ_ORB		(0 << 6)	/* 0: ORB */
139 #define OBJ_DATA	(1 << 6)	/* 1: Data buffer */
140 #define OBJ_PT		(2 << 6)	/* 2: Page table */
141 #define OBJ_UNSPEC	(3 << 6)	/* 3: Unable to specify */
142 /* Serial bus error */
143 /* 0: Missing acknowledge */
144 /* 1: Reserved; not to be used */
145 /* 2: Time-out error */
146 #define SBE_TIMEOUT 2
147 /* 3: Reserved; not to be used */
148 /* 4: Busy retry limit exceeded: ack_busy_X */
149 /* 5: Busy retry limit exceeded: ack_busy_A */
150 /* 6: Busy retry limit exceeded: ack_busy_B */
151 /* 7-A: Reserved for future standardization */
152 /* B: Tardy retry limit exceeded */
153 /* C: Confilict error */
154 /* D: Data error */
155 /* E: Type error */
156 /* F: Address error */
157 
158 
159 struct sbp_cmd_status {
160 #define SBP_SFMT_CURR 0
161 #define SBP_SFMT_DEFER 1
162 #if BYTE_ORDER == BIG_ENDIAN
163 	uint8_t		sfmt:2,
164 			status:6;
165 	uint8_t		valid:1,
166 			mark:1,
167 			eom:1,
168 			ill_len:1,
169 			s_key:4;
170 #else
171 	uint8_t		status:6,
172 			sfmt:2;
173 	uint8_t		s_key:4,
174 			ill_len:1,
175 			eom:1,
176 			mark:1,
177 			valid:1;
178 #endif
179 	uint8_t		s_code;
180 	uint8_t		s_qlfr;
181 	uint32_t	info;
182 	uint32_t	cdb;
183 	uint8_t		fru;
184 	uint8_t		s_keydep[3];
185 	uint32_t	vend[2];
186 };
187 
188 #define ORB_FUN_NAMES \
189 	/* 0 */ "LOGIN", \
190 	/* 1 */ "QUERY LOGINS", \
191 	/* 2 */ "Reserved", \
192 	/* 3 */ "RECONNECT", \
193 	/* 4 */ "SET PASSWORD", \
194 	/* 5 */ "Reserved", \
195 	/* 6 */ "Reserved", \
196 	/* 7 */ "LOGOUT", \
197 	/* 8 */ "Reserved", \
198 	/* 9 */ "Reserved", \
199 	/* A */ "Reserved", \
200 	/* B */ "ABORT TASK", \
201 	/* C */ "ABORT TASK SET", \
202 	/* D */ "Reserved", \
203 	/* E */ "LOGICAL UNIT RESET", \
204 	/* F */ "TARGET RESET"
205