3 * Copyright (c) 1997-2009 by Matthew Jacob
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * Structures that derive directly from public standards.
37 * Source: dpANS-X3.xxx-199x, section 18 (AKA FC-PH-2)
58 * Source: NICTS T10, Project 1144D, Revision 07a, Section 9 (AKA fcp2-r07a)
61 * When additional cdb length is defined in fcp_cmnd_alen_datadir,
62 * bits 2..7, the actual cdb length is 16 + ((fcp_cmnd_alen_datadir>>2)*4),
63 * with the datalength following in MSB format just after.
66 uint8_t fcp_cmnd_lun[8];
68 uint8_t fcp_cmnd_task_attribute;
69 uint8_t fcp_cmnd_task_management;
70 uint8_t fcp_cmnd_alen_datadir;
73 uint8_t fcp_cmnd_cdb[16];
77 uint8_t fcp_cmnd_cdb[1];
83 #define FCP_CMND_TASK_ATTR_SIMPLE 0x00
84 #define FCP_CMND_TASK_ATTR_HEAD 0x01
85 #define FCP_CMND_TASK_ATTR_ORDERED 0x02
86 #define FCP_CMND_TASK_ATTR_ACA 0x04
87 #define FCP_CMND_TASK_ATTR_UNTAGGED 0x05
88 #define FCP_CMND_TASK_ATTR_MASK 0x07
90 #define FCP_CMND_ADDTL_CDBLEN_SHIFT 2
92 #define FCP_CMND_DATA_WRITE 0x01
93 #define FCP_CMND_DATA_READ 0x02
95 #define FCP_CMND_DATA_DIR_MASK 0x03
97 #define FCP_CMND_TMF_CLEAR_ACA 0x40
98 #define FCP_CMND_TMF_TGT_RESET 0x20
99 #define FCP_CMND_TMF_LUN_RESET 0x10
100 #define FCP_CMND_TMF_QUERY_ASYNC_EVENT 0x08
101 #define FCP_CMND_TMF_CLEAR_TASK_SET 0x04
102 #define FCP_CMND_TMF_ABORT_TASK_SET 0x02
103 #define FCP_CMND_TMF_QUERY_TASK_SET 0x01
108 * Source: X3.288-199x Generic Services 2 Rev 5.3 (FC-GS-2) Section 4.3.1
115 uint8_t ct_fcs_subtype;
117 uint8_t ct_reserved0;
118 uint16_t ct_cmd_resp;
119 uint16_t ct_bcnt_resid;
120 uint8_t ct_reserved1;
122 uint8_t ct_explanation;
125 #define CT_REVISION 1
126 #define CT_FC_TYPE_FC 0xFC
127 #define CT_FC_SUBTYPE_NS 0x02
130 * RFT_ID Requet CT_IU
132 * Source: NCITS xxx-200x Generic Services- 5 Rev 8.5 Section 5.2.5.30
136 uint8_t rftid_reserved;
137 uint8_t rftid_portid[3];
138 uint32_t rftid_fc4types[8];
142 * RFF_ID Requet CT_IU
144 * Source: INCITS 463-2010 Generic Services 6 Section 5.2.5.34
148 uint8_t rffid_reserved;
149 uint8_t rffid_portid[3];
150 uint16_t rffid_reserved2;
151 uint8_t rffid_fc4features;
152 uint8_t rffid_fc4type;
156 * FCP Response IU and bits of interest
157 * Source: NCITS T10, Project 1828D, Revision 02b (aka FCP4r02b)
160 uint8_t fcp_rsp_reserved[8];
161 uint16_t fcp_rsp_status_qualifier; /* SAM-5 Status Qualifier */
162 uint8_t fcp_rsp_bits;
163 uint8_t fcp_rsp_scsi_status; /* SAM-5 SCSI Status Byte */
164 uint32_t fcp_rsp_resid;
165 uint32_t fcp_rsp_snslen;
166 uint32_t fcp_rsp_rsplen;
168 * In the bytes that follow, it's going to be
169 * FCP RESPONSE INFO (max 8 bytes, possibly 0)
170 * FCP SENSE INFO (if any)
171 * FCP BIDIRECTIONAL READ RESID (if any)
173 uint8_t fcp_rsp_extra[0];
175 #define MIN_FCP_RESPONSE_SIZE 24
177 #define FCP_BIDIR_RSP 0x80 /* Bi-Directional response */
178 #define FCP_BIDIR_RESID_UNDERFLOW 0x40
179 #define FCP_BIDIR_RESID_OVERFLOW 0x20
180 #define FCP_CONF_REQ 0x10
181 #define FCP_RESID_UNDERFLOW 0x08
182 #define FCP_RESID_OVERFLOW 0x04
183 #define FCP_SNSLEN_VALID 0x02
184 #define FCP_RSPLEN_VALID 0x01
186 #define FCP_MAX_RSPLEN 0x08
188 * FCP Response Code Definitions
189 * Source: NCITS T10, Project 1144D, Revision 08 (aka FCP2r08)
191 #define FCP_RSPNS_CODE_OFFSET 3
193 #define FCP_RSPNS_TMF_DONE 0
194 #define FCP_RSPNS_DLBRSTX 1
195 #define FCP_RSPNS_BADCMND 2
196 #define FCP_RSPNS_EROFS 3
197 #define FCP_RSPNS_TMF_REJECT 4
198 #define FCP_RSPNS_TMF_FAILED 5
199 #define FCP_RSPNS_TMF_SUCCEEDED 8
200 #define FCP_RSPNS_TMF_INCORRECT_LUN 9
203 * R_CTL field definitions
205 * Bits 31-28 are ROUTING
206 * Bits 27-24 are INFORMATION
208 * These are nibble values, not bits
210 #define R_CTL_ROUTE_DATA 0x00
211 #define R_CTL_ROUTE_ELS 0x02
212 #define R_CTL_ROUTE_FC4_LINK 0x03
213 #define R_CTL_ROUTE_VDATA 0x04
214 #define R_CTL_ROUTE_EXENDED 0x05
215 #define R_CTL_ROUTE_BASIC 0x08
216 #define R_CTL_ROUTE_LINK 0x0c
217 #define R_CTL_ROUTE_EXT_ROUTING 0x0f
219 #define R_CTL_INFO_UNCATEGORIZED 0x00
220 #define R_CTL_INFO_SOLICITED_DATA 0x01
221 #define R_CTL_INFO_UNSOLICITED_CONTROL 0x02
222 #define R_CTL_INFO_SOLICITED_CONTROL 0x03
223 #define R_CTL_INFO_UNSOLICITED_DATA 0x04
224 #define R_CTL_INFO_DATA_DESCRIPTOR 0x05
225 #define R_CTL_INFO_UNSOLICITED_COMMAND 0x06
226 #define R_CTL_INFO_COMMAND_STATUS 0x07
228 #define MAKE_RCTL(a, b) (((a) << 4) | (b))
230 /* unconverted miscellany */
232 * Basic FC Link Service defines
234 /* #define ABTS MAKE_RCTL(R_CTL_ROUTE_BASIC, R_CTL_INFO_SOLICITED_DATA) */
235 #define BA_ACC MAKE_RCTL(R_CTL_ROUTE_BASIC, R_CTL_INFO_UNSOLICITED_DATA) /* of ABORT */
236 #define BA_RJT MAKE_RCTL(R_CTL_ROUTE_BASIC, R_CTL_INFO_DATA_DESCRIPTOR) /* of ABORT */
239 * Link Service Accept/Reject
241 #define LS_ACC 0x8002
242 #define LS_RJT 0x8001
245 * FC ELS Codes- bits 31-24 of the first payload word of an ELS frame.
260 * PRLI Word 3 definitions
261 * FPC4-r02b January, 2011
263 #define PRLI_WD3_ENHANCED_DISCOVERY (1 << 11)
264 #define PRLI_WD3_REC_SUPPORT (1 << 10)
265 #define PRLI_WD3_TASK_RETRY_IDENTIFICATION_REQUESTED (1 << 9)
266 #define PRLI_WD3_RETRY (1 << 8)
267 #define PRLI_WD3_CONFIRMED_COMPLETION_ALLOWED (1 << 7)
268 #define PRLI_WD3_DATA_OVERLAY_ALLOWED (1 << 6)
269 #define PRLI_WD3_INITIATOR_FUNCTION (1 << 5)
270 #define PRLI_WD3_TARGET_FUNCTION (1 << 4)
271 #define PRLI_WD3_READ_FCP_XFER_RDY_DISABLED (1 << 1) /* definitely supposed to be set */
272 #define PRLI_WD3_WRITE_FCP_XFER_RDY_DISABLED (1 << 0)
279 #define FC4_IP 5 /* ISO/EEC 8802-2 LLC/SNAP */
280 #define FC4_SCSI 8 /* SCSI-3 via Fibre Channel Protocol (FCP) */
281 #define FC4_FC_SVC 0x20 /* Fibre Channel Services */
284 #define MSG_ABORT 0x06
286 #ifndef MSG_BUS_DEV_RESET
287 #define MSG_BUS_DEV_RESET 0x0c
289 #ifndef MSG_ABORT_TAG
290 #define MSG_ABORT_TAG 0x0d
292 #ifndef MSG_CLEAR_QUEUE
293 #define MSG_CLEAR_QUEUE 0x0e
295 #ifndef MSG_REL_RECOVERY
296 #define MSG_REL_RECOVERY 0x10
298 #ifndef MSG_TERM_IO_PROC
299 #define MSG_TERM_IO_PROC 0x11
301 #ifndef MSG_LUN_RESET
302 #define MSG_LUN_RESET 0x17
305 #endif /* _ISP_STDS_H */