isp_stds.h revision 164370
1/* $FreeBSD: head/sys/dev/isp/isp_stds.h 164272 2006-11-14 08:45:48Z mjacob $ */
2/*-
3 * Mailbox and Queue Entry Definitions for for Qlogic ISP SCSI adapters.
4 *
5 * Copyright (c) 1997-2006 by Matthew Jacob
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 immediately at the beginning of the file, without modification,
13 *    this list of conditions, and the following disclaimer.
14 * 2. The name of the author may not be used to endorse or promote products
15 *    derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 */
30/*
31 * Structures that derive directly from public standards.
32 */
33#ifndef	_ISP_STDS_H
34#define	_ISP_STDS_H
35
36/*
37 * FC Frame Header
38 *
39 * Source: dpANS-X3.xxx-199x, section 18 (AKA FC-PH-2)
40 *
41 */
42typedef struct {
43	uint8_t		r_ctl;
44	uint8_t		d_id[3];
45	uint8_t		cs_ctl;
46	uint8_t		s_id[3];
47	uint8_t		type;
48	uint8_t		f_ctl;
49	uint8_t		seq_id;
50	uint8_t		df_ctl;
51	uint16_t	seq_cnt;
52	uint16_t	ox_id;
53	uint16_t	rx_id;
54	uint32_t	parameter;
55} fc_hdr_t;
56
57/*
58 * FCP_CMND_IU Payload
59 *
60 * Source: NICTS T10, Project 1144D, Revision 07a, Section 9 (AKA fcp2-r07a)
61 *
62 * Notes:
63 *	When additional cdb length is defined in fcp_cmnd_alen_datadir,
64 * 	bits 2..7, the actual cdb length is 16 + ((fcp_cmnd_alen_datadir>>2)*4),
65 *	with the datalength following in MSB format just after.
66 */
67typedef struct {
68	uint8_t		fcp_cmnd_lun[8];
69	uint8_t		fcp_cmnd_crn;
70	uint8_t		fcp_cmnd_task_attribute;
71	uint8_t		fcp_cmnd_task_management;
72	uint8_t		fcp_cmnd_alen_datadir;
73	union {
74		struct {
75			uint8_t		fcp_cmnd_cdb[16];
76			uint32_t	fcp_cmnd_dl;
77		} sf;
78		struct {
79			uint8_t		fcp_cmnd_cdb[1];
80		} lf;
81	} cdb_dl;
82} fcp_cmnd_iu_t;
83
84
85#define	FCP_CMND_TASK_ATTR_SIMPLE	0x00
86#define	FCP_CMND_TASK_ATTR_HEAD		0x01
87#define	FCP_CMND_TASK_ATTR_ORDERED	0x02
88#define	FCP_CMND_TASK_ATTR_ACA		0x04
89#define	FCP_CMND_TASK_ATTR_UNTAGGED	0x05
90#define	FCP_CMND_TASK_ATTR_MASK		0x07
91
92#define	FCP_CMND_ADDTL_CDBLEN_SHIFT	2
93
94#define	FCP_CMND_DATA_WRITE		0x01
95#define	FCP_CMND_DATA_READ		0x02
96
97#define	FCP_CMND_DATA_DIR_MASK		0x03
98
99#define	FCP_CMND_TMF_CLEAR_ACA		0x40
100#define	FCP_CMND_TMF_TGT_RESET		0x20
101#define	FCP_CMND_TMF_LUN_RESET		0x10
102#define	FCP_CMND_TMF_CLEAR_TASK_SET	0x04
103#define	FCP_CMND_TMF_ABORT_TASK_SET	0x02
104
105/*
106 * Basic CT IU Header
107 *
108 * Source: X3.288-199x Generic Services 2 Rev 5.3 (FC-GS-2) Section 4.3.1
109 */
110
111typedef struct {
112	uint8_t		ct_revision;
113	uint8_t		ct_in_id[3];
114	uint8_t		ct_fcs_type;
115	uint8_t		ct_fcs_subtype;
116	uint8_t		ct_options;
117	uint8_t		ct_reserved0;
118	uint16_t	ct_cmd_resp;
119	uint16_t	ct_bcnt_resid;
120	uint8_t		ct_reserved1;
121	uint8_t		ct_reason;
122	uint8_t		ct_explanation;
123	uint8_t		ct_vunique;
124} ct_hdr_t;
125#define	CT_REVISION		1
126#define	CT_FC_TYPE_FC		0xFC
127#define CT_FC_SUBTYPE_NS	0x02
128
129/*
130 * RFT_ID Requet CT_IU
131 *
132 * Source: NCITS xxx-200x Generic Services- 5 Rev 8.5 Section 5.2.5.30
133 */
134typedef struct {
135	ct_hdr_t	rftid_hdr;
136	uint8_t		rftid_reserved;
137	uint8_t		rftid_portid[3];
138	uint32_t	rftid_fc4types[8];
139} rft_id_t;
140
141/*
142 * FCP Response Code Definitions
143 * Source: NCITS T10, Project 1144D, Revision 07a (aka FCP2r07a)
144 */
145#define	FCP_RSPNS_CODE_OFFSET		3
146
147#define	FCP_RSPNS_TMF_DONE		0
148#define	FCP_RSPNS_DLBRSTX		1
149#define	FCP_RSPNS_BADCMND		2
150#define	FCP_RSPNS_EROFS			3
151#define	FCP_RSPNS_TMF_REJECT		4
152#define	FCP_RSPNS_TMF_FAILED		5
153
154
155/* unconverted miscellany */
156/*
157 * Basic FC Link Service defines
158 */
159/*
160 * These are in the R_CTL field.
161 */
162#define	ABTS			0x81
163#define	BA_ACC			0x84	/* of ABORT SEQUENCE */
164#define	BA_RJT			0x85	/* of ABORT SEQUENCE */
165
166/*
167 * Link Service Accept/Reject
168 */
169#define	LS_ACC			0x8002
170#define	LS_RJT			0x8001
171
172/*
173 * FC ELS Codes- bits 31-24 of the first payload word of an ELS frame.
174 */
175#define	PLOGI			0x03
176#define	FLOGI			0x04
177#define	LOGO			0x05
178#define	ABTX			0x06
179#define	PRLI			0x20
180#define	PRLO			0x21
181#define	TPRLO			0x24
182#define	RNC			0x53
183
184/*
185 * FC4 defines
186 */
187#define	FC4_IP		5	/* ISO/EEC 8802-2 LLC/SNAP */
188#define	FC4_SCSI	8	/* SCSI-3 via Fibre Channel Protocol (FCP) */
189#define	FC4_FC_SVC	0x20	/* Fibre Channel Services */
190
191#ifndef	MSG_ABORT
192#define	MSG_ABORT		0x06
193#endif
194#ifndef	MSG_BUS_DEV_RESET
195#define	MSG_BUS_DEV_RESET	0x0c
196#endif
197#ifndef	MSG_ABORT_TAG
198#define	MSG_ABORT_TAG		0x0d
199#endif
200#ifndef	MSG_CLEAR_QUEUE
201#define	MSG_CLEAR_QUEUE		0x0e
202#endif
203#ifndef	MSG_REL_RECOVERY
204#define	MSG_REL_RECOVERY	0x10
205#endif
206#ifndef	MSG_TERM_IO_PROC
207#define	MSG_TERM_IO_PROC	0x11
208#endif
209#ifndef	MSG_LUN_RESET
210#define	MSG_LUN_RESET		0x17
211#endif
212
213#endif	/* _ISP_STDS_H */
214