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