xref: /illumos-gate/usr/src/uts/common/sys/fc4/fc.h (revision dd72704bd9e794056c558153663c739e2012d721)
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 (c) 1995,1997-1998 by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 #ifndef _SYS_FC4_FC_H
28 #define	_SYS_FC4_FC_H
29 
30 #ifdef	__cplusplus
31 extern "C" {
32 #endif
33 
34 /*
35  * Fibre Channel Physical and Signaling Interface (FC-PH) definitions.
36  *
37  * NOTE: modifications of this file affect drivers, mpsas models, PLUTO
38  *	firmware, SOC assembly code. Please be communicative.
39  */
40 
41 #define	FC_PH_VERSION	0x06	/* 0x06 means 4.0 ! */
42 #define	MAX_FRAME_SIZE	2112	/* maximum size of frame payload */
43 
44 /*
45  * This is the standard frame header for FC-PH frames.
46  */
47 
48 typedef struct FC2_FRAME_HDR {
49 	uint_t	r_ctl:8,	d_id:24;
50 	uint_t	reserved1:8,	s_id:24;
51 	uint_t	type:8,		f_ctl:24;
52 	uint_t	seq_id:8,	df_ctl:8,	seq_cnt:16;
53 	ushort_t ox_id, rx_id;
54 	uint_t	ro;
55 }aFC2_FRAME_HDR, *FC2_FRAME_HDRptr, fc_frame_header_t;
56 
57 #define	WE_ARE_ORIGINATOR(fh)		(fh->f_ctl & F_CTL_XCHG_CONTEXT)
58 #define	UNSOLICITED_FRAME(fh)		(fh->rx_id == 0xffff)
59 #define	FIRST_SEQUENCE(fh)		(fh->f_ctl & F_CTL_FIRST_SEQ)
60 #define	LAST_FRAME_OF_SEQUENCE(fh)	(fh->f_ctl & F_CTL_END_SEQ)
61 #define	LAST_SEQUENCE_OF_EXCHANGE(fh)	(fh->f_ctl & F_CTL_LAST_SEQ)
62 #define	TRANSFER_INITIATIVE(fh)		(fh->f_ctl & F_CTL_SEQ_INITIATIVE)
63 
64 
65 /* legal values for r_ctl */
66 #define	R_CTL_ROUTING		0xf0 /* mask for routing bits */
67 #define	R_CTL_INFO		0x0f /* mask for information bits */
68 
69 #define	R_CTL_DEVICE_DATA	0x00 /* all I/O related frames */
70 #define	R_CTL_EXTENDED_SVC	0x20 /* extended link services (PLOGI) */
71 #define	R_CTL_FC4_SVC		0x30 /* FC-4 link services (FCP_LOGI) */
72 #define	R_CTL_VIDEO_BUFF	0x40 /* not yet defined */
73 #define	R_CTL_BASIC_SVC		0x80 /* basic link services (NOP) */
74 #define	R_CTL_LINK_CTL		0xc0 /* ACKs, etc. */
75 
76 /* legal values for r_ctl: Device Data */
77 #define	R_CTL_UNCATEGORIZED	0x00
78 #define	R_CTL_SOLICITED_DATA	0x01
79 #define	R_CTL_UNSOL_CONTROL	0x02
80 #define	R_CTL_SOLICITED_CONTROL	0x03
81 #define	R_CTL_UNSOL_DATA	0x04
82 #define	R_CTL_XFER_RDY		0x05
83 #define	R_CTL_COMMAND		0x06
84 #define	R_CTL_STATUS		0x07
85 
86 /* legal values for r_ctl: Basic Link Services, type 0 */
87 #define	R_CTL_LS_NOP		0x80
88 #define	R_CTL_LS_ABTS		0x81
89 #define	R_CTL_LS_RMC		0x82
90 #define	R_CTL_LS_BA_ACC		0x84
91 #define	R_CTL_LS_BA_RJT		0x85
92 
93 /* legal values for r_ctl: Extended Link Services, type 1 */
94 #define	R_CTL_ELS_REQ		0x22
95 #define	R_CTL_ELS_RSP		0x23
96 
97 /* Extended Link Service command codes, type 1 */
98 #define	LS_RJT			0x01000000
99 #define	LS_ACC			0x02000000
100 #define	LS_PLOGI		0x03000000
101 #define	LS_FLOGI		0x04000000
102 #define	LS_LOGO			0x05000000
103 #define	LS_ABTX			0x06000000
104 #define	LS_RCS			0x07000000
105 #define	LS_RES			0x08000000
106 #define	LS_RSS			0x09000000
107 #define	LS_RSI			0x0a000000
108 #define	LS_ESTS			0x0b000000
109 #define	LS_ESTC			0x0c000000
110 #define	LS_ADVC			0x0d000000
111 #define	LS_RTV			0x0e000000
112 #define	LS_RLS			0x0f000000
113 #define	LS_ECHO			0x10000000
114 #define	LS_TEST			0x11000000
115 #define	LS_RRQ			0x12000000
116 #define	LS_IDENT		0x20000000	/* vendor unique */
117 #define	LS_DISPLAY		0x21000000	/* vendor unique */
118 
119 /* legal values for r_ctl: Link Control */
120 #define	R_CTL_ACK_1		0xc0
121 #define	R_CTL_ACK_N		0xc1
122 #define	R_CTL_P_RJT		0xc2
123 #define	R_CTL_F_RJT		0xc3
124 #define	R_CTL_P_BSY		0xc4
125 #define	R_CTL_F_BSY_DF		0xc5
126 #define	R_CTL_F_BSY_LC		0xc6
127 #define	R_CTL_LCR		0xc7
128 
129 /* type field definitions for Link Data frames: */
130 #define	TYPE_BASIC_LS		0x00
131 #define	TYPE_EXTENDED_LS	0x01
132 
133 /* type field definitions for Device Data frames (from FC-PH 4.1): */
134 #define	TYPE_IS8802		0x04
135 #define	TYPE_IS8802_SNAP	0x05
136 #define	TYPE_SCSI_FCP		0x08 /* we use this one */
137 #define	TYPE_SCSI_GPP		0x09
138 #define	TYPE_HIPP_FP		0x0a
139 #define	TYPE_IPI3_MASTER	0x11
140 #define	TYPE_IPI3_SLAVE		0x12
141 #define	TYPE_IPI3_PEER		0x13
142 
143 #define	F_CTL_XCHG_CONTEXT	0x800000 /* 0 if SID is XCHG originator */
144 #define	F_CTL_SEQ_CONTEXT	0x400000 /* 0 if SID is SEQ initiator */
145 #define	F_CTL_FIRST_SEQ		0x200000 /* 1 if first sequence of XCHG */
146 #define	F_CTL_LAST_SEQ		0x100000 /* 1 if last SEQ of XCHG */
147 #define	F_CTL_END_SEQ		0x080000 /* 1 if last frame of a SEQ */
148 #define	F_CTL_END_CONNECT	0x040000 /* always 0 */
149 #define	F_CTL_CHAINED_SEQ	0x020000 /* always 0 */
150 #define	F_CTL_SEQ_INITIATIVE	0x010000 /* when 1 xfrs SEQ initiative */
151 #define	F_CTL_XID_REASSIGNED	0x008000 /* always 0 */
152 #define	F_CTL_INVALIDATE_XID	0x004000 /* always 0 */
153 #define	F_CTL_CONTINUE_SEQ	0x0000C0 /* always 0 */
154 #define	F_CTL_ABORT_SEQ		0x000030 /* always 0 */
155 #define	F_CTL_RO_PRESENT	0x000008 /* 1 if param field == RO */
156 #define	F_CTL_XCHG_REASSEMBLE	0x000004 /* always 0 */
157 #define	F_CTL_FILL_BYTES	0x000003 /* # of fill bytes in this frame */
158 #define	F_CTL_RESERVED		0x003F00
159 #define	F_CTL_ALWAYS_ZERO	(F_CTL_RESERVED | F_CTL_XCHG_REASSEMBLE | \
160 	F_CTL_ABORT_SEQ | F_CTL_CONTINUE_SEQ| F_CTL_INVALIDATE_XID | \
161 	F_CTL_XID_REASSIGNED | F_CTL_CHAINED_SEQ | F_CTL_END_CONNECT)
162 
163 /* Well known addresses ... */
164 #define	FS_GENERAL_MULTICAST	0xfffff7
165 #define	FS_WELL_KNOWN_MULTICAST	0xfffff8
166 #define	FS_HUNT_GROUP		0xfffff9
167 #define	FS_MANAGEMENT_SERVER	0xfffffa
168 #define	FS_TIME_SERVER		0xfffffb
169 #define	FS_NAME_SERVER		0xfffffc
170 #define	FS_FABRIC_CONTROLLER	0xfffffd
171 #define	FS_FABRIC_F_PORT	0xfffffe
172 #define	FS_BROADCAST		0xffffff
173 
174 /* Fabric Busy Reason Codes */
175 #define	FABRIC_BUSY		0x01
176 #define	NPORT_BUSY		0x03
177 
178 /* NPort Busy Reason Codes */
179 #define	PHYSICAL_BUSY		0x01
180 #define	RESOURSE_BUSY		0x03
181 
182 /* Reject Reason Codes */
183 
184 typedef struct FC2_RJT_PARAM {
185 	uchar_t	rjt_action;
186 	uchar_t	rjt_reason;
187 	uchar_t	reserved[2];
188 } aFC2_RJT_PARAM;
189 
190 #define	INVALID_D_ID		0x01
191 #define	INVALID_S_ID		0x02
192 #define	NPORT_NOT_AVAIL_TEMP	0x03
193 #define	NPORT_NOT_AVAIL_PERM	0x04
194 #define	CLASS_NOT_SUPPORTED	0x05
195 #define	DELIMITER_ERROR		0x06
196 #define	TYPE_NOT_SUPPORTED	0x07
197 #define	INVALID_LINK_CONTROL	0x08
198 #define	INVALID_R_CTL		0x09
199 #define	INVALID_F_CTL		0x0a
200 #define	INVALID_OX_ID		0x0b
201 #define	INVALID_RX_ID		0x0c
202 #define	INVALID_SEQ_ID		0x0d
203 #define	INVALID_DF_CTL		0x0e
204 #define	INVALID_SEQ_CNT		0x0f
205 #define	INVALID_PARAMETER	0x10
206 #define	EXCHANGE_ERROR		0x11
207 #define	PROTOCOL_ERROR		0x12
208 #define	INCORRECT_LENGTH	0x13
209 #define	UNEXPECTED_ACK		0x14
210 #define	UNEXPECTED_LINK_RESP	0x15
211 #define	LOGIN_REQUIRED		0x16
212 #define	EXCESSIVE_SEQUENCES	0x17
213 #define	CANT_ESTABLISH_EXCHANGE	0x18
214 #define	SECURITY_NOT_SUPPORTED	0x19
215 
216 /* BA_RJT and LS_RJT reason codes */
217 #define	RJT_INVALID_CMD_CODE	0x01
218 #define	RJT_LOGICAL_ERROR	0x03
219 #define	RJT_LOGICAL_BUSY	0x05
220 #define	RJT_PROTOCOL_ERR	0x07
221 #define	RJT_CANT_PERFORM_RQST	0x09
222 #define	RJT_CMD_NOT_SUPPORTED	0x0b
223 
224 
225 /*
226  * Frame Payloads that the SOC understands
227  * Transfer Ready:
228  */
229 
230 typedef struct Xfer_Rdy {
231 	int	seq_ro;
232 	int	burst_len;
233 	int	reserved;
234 } aXFER_RDY, *XFER_RDYptr;
235 
236 /*
237  * Link Error Status Block
238  */
239 
240 typedef struct LA_RLS_reply {
241 	int	code;
242 	int	link_failure;
243 	int	loss_of_sync;
244 	int	loss_of_signal;
245 	int	primitive_error;
246 	int	code_violations;
247 	int	invalid_crc;
248 } aLA_RLS_reply, *LA_RLS_replyptr;
249 
250 
251 /*
252  * Login
253  */
254 
255 typedef struct LOGI_PAYLOAD {
256 	uint_t	code;
257 	uchar_t	common_service_params[16];
258 	uchar_t	port_name[8];
259 	uchar_t	node_name[8];
260 	uchar_t	class1_service_params[16];
261 	uchar_t	class2_service_params[16];
262 	uchar_t	class3_service_params[16];
263 } aLOGI_PAYLOAD, *LOGI_PAYLOADptr;
264 
265 #define	SP_F_PORT_LOGIN	0x10
266 
267 
268 /*
269  * Extended Link Service Payload
270  */
271 
272 /* Arbitrary upper limit for now... */
273 #define	FC_MAX_ELS	(60-4)
274 
275 typedef struct ELS_payload {
276 	union els_cmd_u {
277 	    struct {
278 		uchar_t	ls_command;
279 		uchar_t	reserved[3];
280 	    } c;
281 	    uint_t i;
282 	} els_cmd;
283 	uchar_t	els_data[FC_MAX_ELS];
284 } els_payload_t;
285 
286 /*
287  * NOTE: This dataseg definition makes this file unique
288  *	from the Pluto fc_ph file.
289  */
290 
291 /*
292  * Data segment definition
293  */
294 typedef struct fc_dataseg {
295 	uint32_t	fc_base;	/* Address of buffer. */
296 	uint32_t	fc_count;	/* Length of buffer. */
297 } fc_dataseg_t;
298 
299 #ifdef	__cplusplus
300 }
301 #endif
302 
303 #endif	/* !_SYS_FC4_FC_H */
304