1 /* fc.h: Definitions for Fibre Channel Physical and Signaling Interface. 2 * 3 * Copyright (C) 1996-1997,1999 Jakub Jelinek (jj@ultra.linux.cz) 4 * 5 * Sources: 6 * Fibre Channel Physical & Signaling Interface (FC-PH), dpANS, 1994 7 * dpANS Fibre Channel Protocol for SCSI (X3.269-199X), Rev. 012, 1995 8 */ 9 10 #ifndef __FC_H 11 #define __FC_H 12 13 /* World Wide Name */ 14 #define NAAID_IEEE 1 15 #define NAAID_IEEE_EXT 2 16 #define NAAID_LOCAL 3 17 #define NAAID_IP 4 18 #define NAAID_IEEE_REG 5 19 #define NAAID_IEEE_REG_EXT 6 20 #define NAAID_CCITT 12 21 #define NAAID_CCITT_GRP 14 22 23 /* This is NAAID_IEEE_EXT scheme */ 24 typedef struct { 25 u32 naaid:4; 26 u32 nportid:12; 27 u32 hi:16; 28 u32 lo; 29 } fc_wwn; 30 31 /* Frame header for FC-PH frames */ 32 33 /* r_ctl field */ 34 #define R_CTL_DEVICE_DATA 0x00 /* FC4 Device_Data frame */ 35 #define R_CTL_EXTENDED_SVC 0x20 /* Extended Link_Data frame */ 36 #define R_CTL_FC4_SVC 0x30 /* FC4 Link_Data frame */ 37 #define R_CTL_VIDEO 0x40 /* Video_Data frame */ 38 #define R_CTL_BASIC_SVC 0x80 /* Basic Link_Data frame */ 39 #define R_CTL_LINK_CTL 0xc0 /* Link_Control frame */ 40 /* FC4 Device_Data frames */ 41 #define R_CTL_UNCATEGORIZED 0x00 42 #define R_CTL_SOLICITED_DATA 0x01 43 #define R_CTL_UNSOL_CONTROL 0x02 44 #define R_CTL_SOLICITED_CONTROL 0x03 45 #define R_CTL_UNSOL_DATA 0x04 46 #define R_CTL_XFER_RDY 0x05 47 #define R_CTL_COMMAND 0x06 48 #define R_CTL_STATUS 0x07 49 /* Basic Link_Data frames */ 50 #define R_CTL_LS_NOP 0x80 51 #define R_CTL_LS_ABTS 0x81 52 #define R_CTL_LS_RMC 0x82 53 #define R_CTL_LS_BA_ACC 0x84 54 #define R_CTL_LS_BA_RJT 0x85 55 /* Extended Link_Data frames */ 56 #define R_CTL_ELS_REQ 0x22 57 #define R_CTL_ELS_RSP 0x23 58 /* Link_Control frames */ 59 #define R_CTL_ACK_1 0xc0 60 #define R_CTL_ACK_N 0xc1 61 #define R_CTL_P_RJT 0xc2 62 #define R_CTL_F_RJT 0xc3 63 #define R_CTL_P_BSY 0xc4 64 #define R_CTL_F_BSY_DF 0xc5 65 #define R_CTL_F_BSY_LC 0xc6 66 #define R_CTL_LCR 0xc7 67 68 /* type field */ 69 #define TYPE_BASIC_LS 0x00 70 #define TYPE_EXTENDED_LS 0x01 71 #define TYPE_IS8802 0x04 72 #define TYPE_IS8802_SNAP 0x05 73 #define TYPE_SCSI_FCP 0x08 74 #define TYPE_SCSI_GPP 0x09 75 #define TYPE_HIPP_FP 0x0a 76 #define TYPE_IPI3_MASTER 0x11 77 #define TYPE_IPI3_SLAVE 0x12 78 #define TYPE_IPI3_PEER 0x13 79 80 /* f_ctl field */ 81 #define F_CTL_FILL_BYTES 0x000003 82 #define F_CTL_XCHG_REASSEMBLE 0x000004 83 #define F_CTL_RO_PRESENT 0x000008 84 #define F_CTL_ABORT_SEQ 0x000030 85 #define F_CTL_CONTINUE_SEQ 0x0000c0 86 #define F_CTL_INVALIDATE_XID 0x004000 87 #define F_CTL_XID_REASSIGNED 0x008000 88 #define F_CTL_SEQ_INITIATIVE 0x010000 89 #define F_CTL_CHAINED_SEQ 0x020000 90 #define F_CTL_END_CONNECT 0x040000 91 #define F_CTL_END_SEQ 0x080000 92 #define F_CTL_LAST_SEQ 0x100000 93 #define F_CTL_FIRST_SEQ 0x200000 94 #define F_CTL_SEQ_CONTEXT 0x400000 95 #define F_CTL_XCHG_CONTEXT 0x800000 96 97 typedef struct { 98 u32 r_ctl:8, did:24; 99 u32 xxx1:8, sid:24; 100 u32 type:8, f_ctl:24; 101 u32 seq_id:8, df_ctl:8, seq_cnt:16; 102 u16 ox_id, rx_id; 103 u32 param; 104 } fc_hdr; 105 /* The following are ugly macros to make setup of this structure faster */ 106 #define FILL_FCHDR_RCTL_DID(fch, r_ctl, did) *(u32 *)(fch) = ((r_ctl) << 24) | (did); 107 #define FILL_FCHDR_SID(fch, sid) *((u32 *)(fch)+1) = (sid); 108 #define FILL_FCHDR_TYPE_FCTL(fch, type, f_ctl) *((u32 *)(fch)+2) = ((type) << 24) | (f_ctl); 109 #define FILL_FCHDR_SEQ_DF_SEQ(fch, seq_id, df_ctl, seq_cnt) *((u32 *)(fch)+3) = ((seq_id) << 24) | ((df_ctl) << 16) | (seq_cnt); 110 #define FILL_FCHDR_OXRX(fch, ox_id, rx_id) *((u32 *)(fch)+4) = ((ox_id) << 16) | (rx_id); 111 112 /* Well known addresses */ 113 #define FS_GENERAL_MULTICAST 0xfffff7 114 #define FS_WELL_KNOWN_MULTICAST 0xfffff8 115 #define FS_HUNT_GROUP 0xfffff9 116 #define FS_MANAGEMENT_SERVER 0xfffffa 117 #define FS_TIME_SERVER 0xfffffb 118 #define FS_NAME_SERVER 0xfffffc 119 #define FS_FABRIC_CONTROLLER 0xfffffd 120 #define FS_FABRIC_F_PORT 0xfffffe 121 #define FS_BROADCAST 0xffffff 122 123 /* Reject frames */ 124 /* The param field should be cast to this structure */ 125 typedef struct { 126 u8 action; 127 u8 reason; 128 u8 xxx; 129 u8 vendor_unique; 130 } rjt_param; 131 132 /* Reject action codes */ 133 #define RJT_RETRY 0x01 134 #define RJT_NONRETRY 0x02 135 136 /* Reject reason codes */ 137 #define RJT_INVALID_DID 0x01 138 #define RJT_INVALID_SID 0x02 139 #define RJT_NPORT_NOT_AVAIL_TEMP 0x03 140 #define RJT_NPORT_NOT_AVAIL_PERM 0x04 141 #define RJT_CLASS_NOT_SUPPORTED 0x05 142 #define RJT_DELIMITER_ERROR 0x06 143 #define RJT_TYPE_NOT_SUPPORTED 0x07 144 #define RJT_INVALID_LINK_CONTROL 0x08 145 #define RJT_INVALID_R_CTL 0x09 146 #define RJT_INVALID_F_CTL 0x0a 147 #define RJT_INVALID_OX_ID 0x0b 148 #define RJT_INVALID_RX_ID 0x0c 149 #define RJT_INVALID_SEQ_ID 0x0d 150 #define RJT_INVALID_DF_CTL 0x0e 151 #define RJT_INVALID_SEQ_CNT 0x0f 152 #define RJT_INVALID_PARAMETER 0x10 153 #define RJT_EXCHANGE_ERROR 0x11 154 #define RJT_PROTOCOL_ERROR 0x12 155 #define RJT_INCORRECT_LENGTH 0x13 156 #define RJT_UNEXPECTED_ACK 0x14 157 #define RJT_UNEXPECTED_LINK_RESP 0x15 158 #define RJT_LOGIN_REQUIRED 0x16 159 #define RJT_EXCESSIVE_SEQUENCES 0x17 160 #define RJT_CANT_ESTABLISH_EXCHANGE 0x18 161 #define RJT_SECURITY_NOT_SUPPORTED 0x19 162 #define RJT_FABRIC_NA 0x1a 163 #define RJT_VENDOR_UNIQUE 0xff 164 165 166 #define SP_F_PORT_LOGIN 0x10 167 168 /* Extended SVC commands */ 169 #define LS_RJT 0x01000000 170 #define LS_ACC 0x02000000 171 #define LS_PRLI_ACC 0x02100014 172 #define LS_PLOGI 0x03000000 173 #define LS_FLOGI 0x04000000 174 #define LS_LOGO 0x05000000 175 #define LS_ABTX 0x06000000 176 #define LS_RCS 0x07000000 177 #define LS_RES 0x08000000 178 #define LS_RSS 0x09000000 179 #define LS_RSI 0x0a000000 180 #define LS_ESTS 0x0b000000 181 #define LS_ESTC 0x0c000000 182 #define LS_ADVC 0x0d000000 183 #define LS_RTV 0x0e000000 184 #define LS_RLS 0x0f000000 185 #define LS_ECHO 0x10000000 186 #define LS_TEST 0x11000000 187 #define LS_RRQ 0x12000000 188 #define LS_IDENT 0x20000000 189 #define LS_PRLI 0x20100014 190 #define LS_DISPLAY 0x21000000 191 #define LS_PRLO 0x21100014 192 #define LS_PDISC 0x50000000 193 #define LS_ADISC 0x52000000 194 195 typedef struct { 196 u8 fcph_hi, fcph_lo; 197 u16 buf2buf_credit; 198 u8 common_features; 199 u8 xxx1; 200 u16 buf2buf_size; 201 u8 xxx2; 202 u8 total_concurrent; 203 u16 off_by_info; 204 u32 e_d_tov; 205 } common_svc_parm; 206 207 typedef struct { 208 u16 serv_opts; 209 u16 initiator_ctl; 210 u16 rcpt_ctl; 211 u16 recv_size; 212 u8 xxx1; 213 u8 concurrent_seqs; 214 u16 end2end_credit; 215 u16 open_seqs_per_xchg; 216 u16 xxx2; 217 } svc_parm; 218 219 /* Login */ 220 typedef struct { 221 u32 code; 222 common_svc_parm common; 223 fc_wwn nport_wwn; 224 fc_wwn node_wwn; 225 svc_parm class1; 226 svc_parm class2; 227 svc_parm class3; 228 } logi; 229 230 #endif /* !(__FC_H) */ 231