1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef	_SYS_SBP2_DEFS_H
28#define	_SYS_SBP2_DEFS_H
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32/*
33 * Serial Bus Protocol 2 (SBP-2) definitions
34 *
35 * References are to ANSI NCITS 325-1998 unless specified otherwise
36 */
37
38#include <sys/sbp2/common.h>
39#include <sys/note.h>
40
41#ifdef	__cplusplus
42extern "C" {
43#endif
44
45/*
46 * Operation request blocks (ORB's)
47 * Note that the targets specify the minimum ORB size (ref: 7.8.4)
48 *
49 * dummy ORB (ref: 5.1.1)
50 */
51typedef struct sbp2_dummy_orb {
52	sbp2_orbp_t	do_next_orb;	/* next ORB pointer */
53	uint32_t	do_ignored1[2];	/* ignored */
54	uint16_t	do_params;	/* parameters */
55	uint16_t	do_ignored2;	/* ignored */
56} sbp2_dummy_orb_t;
57
58/* parameters */
59#define	SBP2_ORB_NOTIFY			0x8000	/* notify bit */
60#define	SBP2_ORB_RQ_FMT			0x6000	/* ORB format */
61
62/* ORB formats */
63#define	SBP2_ORB_RQ_FMT_SBP2		0x0000	/* SBP2 ORB */
64#define	SBP2_ORB_RQ_FMT_DUMMY		0x6000	/* dummy (NOP) ORB */
65
66/* command block ORB (ref: 5.1.2) */
67typedef struct sbp2_cmd_orb {
68	sbp2_orbp_t	co_next_orb;	/* next ORB pointer */
69	uint32_t	co_data_descr[2]; /* data descriptor */
70	uint16_t	co_params;	/* parameters */
71	uint16_t	co_data_size;	/* data size */
72} sbp2_cmd_orb_t;
73
74/* request */
75#define	SBP2_ORB_CMD_DIR		0x0800
76#define	SBP2_ORB_CMD_SPD		0x0700
77#define	SBP2_ORB_CMD_SPD_SHIFT		8
78#define	SBP2_ORB_CMD_MAX_PAYLOAD 	0x00F0
79#define	SBP2_ORB_CMD_MAX_PAYLOAD_SHIFT 	4
80#define	SBP2_ORB_CMD_PT			0x0008
81#define	SBP2_ORB_CMD_PSZ		0x0007
82
83/* speeds */
84#define	SBP2_ORB_CMD_SPD_S100		0x0000
85#define	SBP2_ORB_CMD_SPD_S200		0x0100
86#define	SBP2_ORB_CMD_SPD_S400		0x0200
87#define	SBP2_ORB_CMD_SPD_S800		0x0300
88#define	SBP2_ORB_CMD_SPD_S1600		0x0400
89#define	SBP2_ORB_CMD_SPD_S3200		0x0500
90
91/* management ORB (ref: 5.1.3) */
92typedef struct sbp2_mgt_orb {
93	uint32_t	mo_fdep1[4];	/* function-dependent */
94	uint16_t	mo_params;	/* parameters */
95	uint16_t	mo_fdep2;	/* function-dependent */
96	uint32_t	mo_fdep3;	/* function-dependent */
97	sbp2_addr_t	mo_status_fifo;	/* status FIFO address */
98} sbp2_mgt_orb_t;
99
100/* parameters */
101#define	SBP2_ORB_MGT_FUNC 		0x000F	/* mgt function */
102
103/* mgt functions */
104#define	SBP2_ORB_MGT_FUNC_LOGIN 	0x0000
105#define	SBP2_ORB_MGT_FUNC_QUERY_LOGINS	0x0001
106#define	SBP2_ORB_MGT_FUNC_RECONNECT 	0x0003
107#define	SBP2_ORB_MGT_FUNC_SET_PASSWORD	0x0004
108#define	SBP2_ORB_MGT_FUNC_LOGOUT 	0x0007
109#define	SBP2_ORB_MGT_FUNC_ABORT_TASK 	0x000B
110#define	SBP2_ORB_MGT_FUNC_ABORT_TASK_SET 0x000C
111#define	SBP2_ORB_MGT_FUNC_LUN_RESET 	0x000E
112#define	SBP2_ORB_MGT_FUNC_TARGET_RESET	0x000F
113
114/* login ORB (ref: 5.1.3.1) */
115typedef struct sbp2_login_orb {
116	sbp2_addr_t	lo_passwd;	/* password */
117	sbp2_addr_t	lo_resp;	/* response */
118	uint16_t	lo_params;	/* parameters */
119	uint16_t	lo_lun;		/* lun */
120	uint16_t	lo_passwd_len;	/* password length */
121	uint16_t	lo_resp_len;	/* response length */
122	sbp2_addr_t	lo_status_fifo;	/* status FIFO address */
123} sbp2_login_orb_t;
124
125/* parameters */
126#define	SBP2_ORB_LOGIN_EXCL		0x1000
127#define	SBP2_ORB_LOGIN_RECONNECT	0x00F0
128#define	SBP2_ORB_LOGIN_RECONNECT_SHIFT	4
129
130/* login response */
131typedef struct sbp2_login_resp {
132	uint16_t	lr_len;		/* login length */
133	uint16_t	lr_login_id;	/* login ID */
134	sbp2_addr_t	lr_cmd_agent;	/* command block agent address */
135	uint16_t	lr_reserved;	/* reserved */
136	uint16_t	lr_reconnect_hold; /* reconnect hold */
137} sbp2_login_resp_t;
138
139/* query logins ORB (ref: 5.1.3.2) */
140typedef struct sbp2_qlogins_orb {
141	uint32_t	qo_reserved1[2]; /* reserved */
142	sbp2_addr_t	qo_resp;	/* query response address */
143	uint16_t	qo_params;	/* parameters */
144	uint16_t	qo_lun;		/* LUN */
145	uint16_t	qo_reserved2;	/* reserved */
146	uint16_t	qo_len;		/* lengths */
147	sbp2_addr_t	qo_status_fifo; /* status FIFO address */
148} sbp2_qlogins_orb_t;
149
150/* reconnect ORB (ref: 5.1.3.3) */
151typedef struct sbp2_reconnect_orb {
152	uint32_t	ro_reserved1[4]; /* reserved */
153	uint16_t	ro_params;	/* parameters */
154	uint16_t	ro_login_id;	/* login ID */
155	uint32_t	ro_reserved2;	/* reserved */
156	sbp2_addr_t	ro_status_fifo; /* status FIFO address */
157} sbp2_reconnect_orb_t;
158
159/* logout ORB (ref: 5.1.3.4) */
160typedef struct sbp2_logout_orb {
161	uint32_t	lo_reserved1[4]; /* reserved */
162	uint16_t	lo_params;	/* parameters */
163	uint16_t	lo_login_id;	/* login ID */
164	uint32_t	lo_reserved2;	/* reserved */
165	sbp2_addr_t	lo_status_fifo; /* status FIFO address */
166} sbp2_logout_orb_t;
167
168/* task management ORB (ref: 5.1.3.5) */
169typedef struct sbp2_task_mgt_orb {
170	sbp2_orbp_t	to_orb;		/* task pointer */
171	uint32_t	to_reserved1[2]; /* reserved */
172	uint16_t	to_params;	/* parameters */
173	uint16_t	to_login_id;	/* login ID */
174	uint32_t	to_reserved;	/* reserved */
175	sbp2_addr_t	to_status_fifo; /* status FIFO address */
176} sbp2_task_mgt_orb_t;
177
178/* status block (ref: 5.3) */
179typedef struct sbp2_status {
180	uint8_t		st_param;	/* parameters */
181	uint8_t		st_sbp_status;	/* SBP status */
182	uint16_t	st_orb_offset_hi; /* ORB offset hi */
183	uint32_t	st_orb_offset_lo; /* ORB offset lo */
184	uint32_t	st_data[6];	/* command set-dependent data */
185} sbp2_status_t;
186
187/* parameters */
188#define	SBP2_ST_SRC		0xC0
189#define	SBP2_ST_SRC_SHIFT	6
190#define	SBP2_ST_RESP		0x30
191#define	SBP2_ST_RESP_SHIFT	4
192#define	SBP2_ST_DEAD		0x08
193#define	SBP2_ST_LEN		0x07
194
195/* status origins */
196#define	SBP2_ST_SRC_ORB		0x00
197#define	SBP2_ST_SRC_ORB_NULL	0x40
198#define	SBP2_ST_SRC_UNSOLICITED	0x80
199
200/* response status */
201#define	SBP2_ST_RESP_COMPLETE	0x00	/* REQUEST COMPLETE */
202#define	SBP2_ST_RESP_TRANFAIL	0x10	/* TRANSPORT FAILURE */
203#define	SBP2_ST_RESP_ILLREQ	0x20	/* ILLEGAL REQUEST */
204#define	SBP2_ST_RESP_VENDOR	0x30	/* VENDOR DEPENDENT */
205
206/* SBP status, when response status is REQUEST COMPLETE */
207#define	SBP2_ST_SBP_NOINFO	0x00	/* no additional info */
208#define	SBP2_ST_SBP_REQ_TYPE	0x01	/* req type not supported */
209#define	SBP2_ST_SBP_SPD		0x02	/* speed not supported */
210#define	SBP2_ST_SBP_PSZ		0x03	/* page size not supported */
211#define	SBP2_ST_SBP_ACCESS	0x04	/* access denied */
212#define	SBP2_ST_SBP_LUN		0x05	/* LUN not supported */
213#define	SBP2_ST_SBP_PAYLOAD	0x06	/* max payload too small */
214#define	SBP2_ST_SBP_RSRC	0x08	/* resources unavailable */
215#define	SBP2_ST_SBP_FUNC	0x09	/* function rejected */
216#define	SBP2_ST_SBP_LOGIN_ID	0x0A	/* login ID not recognized */
217#define	SBP2_ST_SBP_DUMMY_ORB	0x0B	/* dummy ORB completed */
218#define	SBP2_ST_SBP_REQ_ABORT	0x0C	/* request aborted */
219#define	SBP2_ST_SBP_UNSPEC	0xFF	/* unspecified error */
220
221/* SBP status, when response status is TRANSPORT FAILURE */
222#define	SBP2_ST_SBP_OBJ		0xC0	/* failed object */
223#define	SBP2_ST_SBP_ERR		0x0F	/* serial bus error */
224
225/* objects */
226#define	SBP2_ST_SBP_OBJ_ORB	0x00	/* ORB */
227#define	SBP2_ST_SBP_OBJ_DATA	0x40	/* data buffer */
228#define	SBP2_ST_SBP_OBJ_PT	0x80	/* page table */
229#define	SBP2_ST_SBP_OBJ_UNSPEC	0xC0	/* unable to specify */
230
231/* serial bus errors */
232#define	SBP2_ST_SBP_ERR_ACK		0x00	/* missing ackknowledge */
233#define	SBP2_ST_SBP_ERR_TIMEOUT		0x02	/* time-out error */
234#define	SBP2_ST_SBP_ERR_ACK_BUSY_X	0x04	/* ack_busy_X */
235#define	SBP2_ST_SBP_ERR_ACK_BUSY_A	0x05	/* ack_busy_A */
236#define	SBP2_ST_SBP_ERR_ACK_BUSY_B	0x06	/* ack_busy_B */
237#define	SBP2_ST_SBP_ERR_TARDY		0x0B	/* tardy limit exceeded */
238#define	SBP2_ST_SBP_ERR_CONFLICT	0x0C	/* conflict error */
239#define	SBP2_ST_SBP_ERR_DATA		0x0D	/* data error */
240#define	SBP2_ST_SBP_ERR_TYPE		0x0E	/* type error */
241#define	SBP2_ST_SBP_ERR_ADDR		0x0F	/* address error */
242
243
244/* command block agent registers (ref: 6.4) */
245#define	SBP2_AGENT_STATE_OFFSET		0x00
246#define	SBP2_AGENT_RESET_OFFSET		0x04
247#define	SBP2_ORB_POINTER_OFFSET		0x08
248#define	SBP2_DOORBELL_OFFSET		0x10
249#define	SBP2_UNSOLICITED_STATUS_ENABLE_OFFSET 0x14
250
251/* agent states */
252#define	SBP2_AGENT_STATE_RESET		0
253#define	SBP2_AGENT_STATE_ACTIVE		1
254#define	SBP2_AGENT_STATE_SUSPENDED	2
255#define	SBP2_AGENT_STATE_DEAD		3
256
257/* page table parameters */
258#define	SBP2_PT_ENT_SIZE		8		/* table entry size */
259#define	SBP2_PT_SEGSIZE_MAX		(65536 - 8)	/* max segment size */
260
261/* page table element for unrestricted page table (ref: 5.2.1) */
262typedef struct sbp2_pt_unrestricted {
263	uint16_t	pt_seg_len;	/* segment length */
264	uint16_t	pt_seg_base_hi;	/* segment base hi */
265	uint32_t	pt_seg_base_lo;	/* segment base lo */
266} sbp2_pt_unrestricted_t;
267
268/*
269 * Configuration ROM
270 *
271 * key types & values
272 */
273#define	SBP2_KT_MGT_AGENT		1
274#define	SBP2_KV_MGT_AGENT		0x14
275#define	SBP2_KT_LUN			0
276#define	SBP2_KV_LUN			0x14
277#define	SBP2_KT_UNCHAR			0
278#define	SBP2_KV_UNCHAR			0x3A
279
280/* Logical_Unit_Number */
281#define	SBP2_LUN_TYPE			0x001F0000	/* device_type */
282#define	SBP2_LUN_TYPE_SHIFT		16
283#define	SBP2_LUN_NUM			0x0000FFFF	/* lun */
284
285/* Unit_Characteristics */
286#define	SBP2_UNCHAR_MOT			0x0000FF00	/* mgt_ORB_timeout */
287#define	SBP2_UNCHAR_MOT_SHIFT		8
288#define	SBP2_UNCHAR_ORB_SIZE		0x000000FF	/* ORB_size */
289
290
291_NOTE(SCHEME_PROTECTS_DATA("unique per ORB", { sbp2_dummy_orb sbp2_cmd_orb
292    sbp2_mgt_orb sbp2_login_orb sbp2_login_resp sbp2_qlogins_orb
293    sbp2_reconnect_orb sbp2_logout_orb sbp2_task_mgt_orb sbp2_status
294    sbp2_pt_unrestricted }))
295
296#ifdef	__cplusplus
297}
298#endif
299
300#endif	/* _SYS_SBP2_DEFS_H */
301