1 /* 2 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc. 3 * Copyright (c) 2014- QLogic Corporation. 4 * All rights reserved 5 * www.qlogic.com 6 * 7 * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter. 8 * 9 * This program is free software; you can redistribute it and/or modify it 10 * under the terms of the GNU General Public License (GPL) Version 2 as 11 * published by the Free Software Foundation 12 * 13 * This program is distributed in the hope that it will be useful, but 14 * WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * General Public License for more details. 17 */ 18 /* 19 * fcbuild.h - FC link service frame building and parsing routines 20 */ 21 22 #ifndef __FCBUILD_H__ 23 #define __FCBUILD_H__ 24 25 #include "bfad_drv.h" 26 #include "bfa_fc.h" 27 #include "bfa_defs_fcs.h" 28 29 /* 30 * Utility Macros/functions 31 */ 32 33 #define wwn_is_equal(_wwn1, _wwn2) \ 34 (memcmp(&(_wwn1), &(_wwn2), sizeof(wwn_t)) == 0) 35 36 #define fc_roundup(_l, _s) (((_l) + ((_s) - 1)) & ~((_s) - 1)) 37 38 /* 39 * Given the fc response length, this routine will return 40 * the length of the actual payload bytes following the CT header. 41 * 42 * Assumes the input response length does not include the crc, eof, etc. 43 */ 44 static inline u32 45 fc_get_ctresp_pyld_len(u32 resp_len) 46 { 47 return resp_len - sizeof(struct ct_hdr_s); 48 } 49 50 /* 51 * Convert bfa speed to rpsc speed value. 52 */ 53 static inline enum bfa_port_speed 54 fc_rpsc_operspeed_to_bfa_speed(enum fc_rpsc_op_speed speed) 55 { 56 switch (speed) { 57 58 case RPSC_OP_SPEED_1G: 59 return BFA_PORT_SPEED_1GBPS; 60 61 case RPSC_OP_SPEED_2G: 62 return BFA_PORT_SPEED_2GBPS; 63 64 case RPSC_OP_SPEED_4G: 65 return BFA_PORT_SPEED_4GBPS; 66 67 case RPSC_OP_SPEED_8G: 68 return BFA_PORT_SPEED_8GBPS; 69 70 case RPSC_OP_SPEED_16G: 71 return BFA_PORT_SPEED_16GBPS; 72 73 case RPSC_OP_SPEED_10G: 74 return BFA_PORT_SPEED_10GBPS; 75 76 default: 77 return BFA_PORT_SPEED_UNKNOWN; 78 } 79 } 80 81 /* 82 * Convert RPSC speed to bfa speed value. 83 */ 84 static inline enum fc_rpsc_op_speed 85 fc_bfa_speed_to_rpsc_operspeed(enum bfa_port_speed op_speed) 86 { 87 switch (op_speed) { 88 89 case BFA_PORT_SPEED_1GBPS: 90 return RPSC_OP_SPEED_1G; 91 92 case BFA_PORT_SPEED_2GBPS: 93 return RPSC_OP_SPEED_2G; 94 95 case BFA_PORT_SPEED_4GBPS: 96 return RPSC_OP_SPEED_4G; 97 98 case BFA_PORT_SPEED_8GBPS: 99 return RPSC_OP_SPEED_8G; 100 101 case BFA_PORT_SPEED_16GBPS: 102 return RPSC_OP_SPEED_16G; 103 104 case BFA_PORT_SPEED_10GBPS: 105 return RPSC_OP_SPEED_10G; 106 107 default: 108 return RPSC_OP_SPEED_NOT_EST; 109 } 110 } 111 112 enum fc_parse_status { 113 FC_PARSE_OK = 0, 114 FC_PARSE_FAILURE = 1, 115 FC_PARSE_BUSY = 2, 116 FC_PARSE_LEN_INVAL, 117 FC_PARSE_ACC_INVAL, 118 FC_PARSE_PWWN_NOT_EQUAL, 119 FC_PARSE_NWWN_NOT_EQUAL, 120 FC_PARSE_RXSZ_INVAL, 121 FC_PARSE_NOT_FCP, 122 FC_PARSE_OPAFLAG_INVAL, 123 FC_PARSE_RPAFLAG_INVAL, 124 FC_PARSE_OPA_INVAL, 125 FC_PARSE_RPA_INVAL, 126 127 }; 128 129 struct fc_templates_s { 130 struct fchs_s fc_els_req; 131 struct fchs_s fc_bls_req; 132 struct fc_logi_s plogi; 133 struct fc_rrq_s rrq; 134 }; 135 136 void fcbuild_init(void); 137 138 u16 fc_flogi_build(struct fchs_s *fchs, struct fc_logi_s *flogi, 139 u32 s_id, u16 ox_id, wwn_t port_name, wwn_t node_name, 140 u16 pdu_size, u8 set_npiv, u8 set_auth, 141 u16 local_bb_credits); 142 143 u16 fc_fdisc_build(struct fchs_s *buf, struct fc_logi_s *flogi, u32 s_id, 144 u16 ox_id, wwn_t port_name, wwn_t node_name, 145 u16 pdu_size); 146 147 u16 fc_flogi_acc_build(struct fchs_s *fchs, struct fc_logi_s *flogi, 148 u32 s_id, __be16 ox_id, 149 wwn_t port_name, wwn_t node_name, 150 u16 pdu_size, 151 u16 local_bb_credits, u8 bb_scn); 152 153 u16 fc_plogi_build(struct fchs_s *fchs, void *pld, u32 d_id, 154 u32 s_id, u16 ox_id, wwn_t port_name, 155 wwn_t node_name, u16 pdu_size, u16 bb_cr); 156 157 enum fc_parse_status fc_plogi_parse(struct fchs_s *fchs); 158 159 u16 fc_abts_build(struct fchs_s *buf, u32 d_id, u32 s_id, 160 u16 ox_id); 161 162 enum fc_parse_status fc_abts_rsp_parse(struct fchs_s *buf, int len); 163 164 u16 fc_rrq_build(struct fchs_s *buf, struct fc_rrq_s *rrq, u32 d_id, 165 u32 s_id, u16 ox_id, u16 rrq_oxid); 166 167 u16 fc_rspnid_build(struct fchs_s *fchs, void *pld, u32 s_id, 168 u16 ox_id, u8 *name); 169 u16 fc_rsnn_nn_build(struct fchs_s *fchs, void *pld, u32 s_id, 170 wwn_t node_name, u8 *name); 171 172 u16 fc_rftid_build(struct fchs_s *fchs, void *pld, u32 s_id, 173 u16 ox_id, enum bfa_lport_role role); 174 175 u16 fc_rftid_build_sol(struct fchs_s *fchs, void *pyld, u32 s_id, 176 u16 ox_id, u8 *fc4_bitmap, 177 u32 bitmap_size); 178 179 u16 fc_rffid_build(struct fchs_s *fchs, void *pyld, u32 s_id, 180 u16 ox_id, u8 fc4_type, u8 fc4_ftrs); 181 182 u16 fc_gidpn_build(struct fchs_s *fchs, void *pyld, u32 s_id, 183 u16 ox_id, wwn_t port_name); 184 185 u16 fc_gpnid_build(struct fchs_s *fchs, void *pld, u32 s_id, 186 u16 ox_id, u32 port_id); 187 188 u16 fc_gs_rjt_build(struct fchs_s *fchs, struct ct_hdr_s *cthdr, 189 u32 d_id, u32 s_id, u16 ox_id, 190 u8 reason_code, u8 reason_code_expl); 191 192 u16 fc_scr_build(struct fchs_s *fchs, struct fc_scr_s *scr, 193 u8 set_br_reg, u32 s_id, u16 ox_id); 194 195 u16 fc_plogi_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, 196 u32 s_id, u16 ox_id, 197 wwn_t port_name, wwn_t node_name, 198 u16 pdu_size, u16 bb_cr); 199 200 u16 fc_adisc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, 201 u32 d_id, u32 s_id, __be16 ox_id, wwn_t port_name, 202 wwn_t node_name); 203 204 enum fc_parse_status fc_adisc_parse(struct fchs_s *fchs, void *pld, 205 u32 host_dap, wwn_t node_name, wwn_t port_name); 206 207 enum fc_parse_status fc_adisc_rsp_parse(struct fc_adisc_s *adisc, int len, 208 wwn_t port_name, wwn_t node_name); 209 210 u16 fc_adisc_acc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, 211 u32 d_id, u32 s_id, __be16 ox_id, 212 wwn_t port_name, wwn_t node_name); 213 u16 fc_ls_rjt_build(struct fchs_s *fchs, struct fc_ls_rjt_s *ls_rjt, 214 u32 d_id, u32 s_id, __be16 ox_id, 215 u8 reason_code, u8 reason_code_expl); 216 u16 fc_ls_acc_build(struct fchs_s *fchs, struct fc_els_cmd_s *els_cmd, 217 u32 d_id, u32 s_id, __be16 ox_id); 218 u16 fc_prli_build(struct fchs_s *fchs, void *pld, u32 d_id, 219 u32 s_id, u16 ox_id); 220 221 enum fc_parse_status fc_prli_rsp_parse(struct fc_prli_s *prli, int len); 222 223 u16 fc_prli_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, 224 u32 s_id, __be16 ox_id, 225 enum bfa_lport_role role); 226 227 u16 fc_rnid_build(struct fchs_s *fchs, struct fc_rnid_cmd_s *rnid, 228 u32 d_id, u32 s_id, u16 ox_id, 229 u32 data_format); 230 231 u16 fc_rnid_acc_build(struct fchs_s *fchs, 232 struct fc_rnid_acc_s *rnid_acc, u32 d_id, u32 s_id, 233 __be16 ox_id, u32 data_format, 234 struct fc_rnid_common_id_data_s *common_id_data, 235 struct fc_rnid_general_topology_data_s *gen_topo_data); 236 237 u16 fc_rpsc2_build(struct fchs_s *fchs, struct fc_rpsc2_cmd_s *rps2c, 238 u32 d_id, u32 s_id, u32 *pid_list, u16 npids); 239 u16 fc_rpsc_build(struct fchs_s *fchs, struct fc_rpsc_cmd_s *rpsc, 240 u32 d_id, u32 s_id, u16 ox_id); 241 u16 fc_rpsc_acc_build(struct fchs_s *fchs, 242 struct fc_rpsc_acc_s *rpsc_acc, u32 d_id, u32 s_id, 243 __be16 ox_id, struct fc_rpsc_speed_info_s *oper_speed); 244 u16 fc_gid_ft_build(struct fchs_s *fchs, void *pld, u32 s_id, 245 u8 fc4_type); 246 247 u16 fc_rpnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, 248 u32 port_id, wwn_t port_name); 249 250 u16 fc_rnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, 251 u32 port_id, wwn_t node_name); 252 253 u16 fc_rcsid_build(struct fchs_s *fchs, void *pyld, u32 s_id, 254 u32 port_id, u32 cos); 255 256 u16 fc_rptid_build(struct fchs_s *fchs, void *pyld, u32 s_id, 257 u32 port_id, u8 port_type); 258 259 u16 fc_ganxt_build(struct fchs_s *fchs, void *pyld, u32 s_id, 260 u32 port_id); 261 262 u16 fc_logo_build(struct fchs_s *fchs, struct fc_logo_s *logo, u32 d_id, 263 u32 s_id, u16 ox_id, wwn_t port_name); 264 265 u16 fc_logo_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, 266 u32 s_id, __be16 ox_id); 267 268 u16 fc_fdmi_reqhdr_build(struct fchs_s *fchs, void *pyld, u32 s_id, 269 u16 cmd_code); 270 u16 fc_gmal_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn); 271 u16 fc_gfn_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn); 272 273 void fc_get_fc4type_bitmask(u8 fc4_type, u8 *bit_mask); 274 275 void fc_els_req_build(struct fchs_s *fchs, u32 d_id, u32 s_id, 276 __be16 ox_id); 277 278 enum fc_parse_status fc_plogi_rsp_parse(struct fchs_s *fchs, int len, 279 wwn_t port_name); 280 281 enum fc_parse_status fc_prli_parse(struct fc_prli_s *prli); 282 283 enum fc_parse_status fc_pdisc_parse(struct fchs_s *fchs, wwn_t node_name, 284 wwn_t port_name); 285 286 u16 fc_ba_acc_build(struct fchs_s *fchs, struct fc_ba_acc_s *ba_acc, u32 d_id, 287 u32 s_id, __be16 ox_id, u16 rx_id); 288 289 int fc_logout_params_pages(struct fchs_s *fc_frame, u8 els_code); 290 291 u16 fc_tprlo_acc_build(struct fchs_s *fchs, struct fc_tprlo_acc_s *tprlo_acc, 292 u32 d_id, u32 s_id, __be16 ox_id, int num_pages); 293 294 u16 fc_prlo_acc_build(struct fchs_s *fchs, struct fc_prlo_acc_s *prlo_acc, 295 u32 d_id, u32 s_id, __be16 ox_id, int num_pages); 296 297 u16 fc_pdisc_build(struct fchs_s *fchs, u32 d_id, u32 s_id, 298 u16 ox_id, wwn_t port_name, wwn_t node_name, 299 u16 pdu_size); 300 301 u16 fc_pdisc_rsp_parse(struct fchs_s *fchs, int len, wwn_t port_name); 302 303 u16 fc_prlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, 304 u16 ox_id, int num_pages); 305 306 u16 fc_tprlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, 307 u16 ox_id, int num_pages, enum fc_tprlo_type tprlo_type, 308 u32 tpr_id); 309 310 u16 fc_ba_rjt_build(struct fchs_s *fchs, u32 d_id, u32 s_id, 311 __be16 ox_id, u32 reason_code, u32 reason_expl); 312 313 u16 fc_gnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, 314 u32 port_id); 315 316 u16 fc_ct_rsp_parse(struct ct_hdr_s *cthdr); 317 318 u16 fc_rscn_build(struct fchs_s *fchs, struct fc_rscn_pl_s *rscn, u32 s_id, 319 u16 ox_id); 320 #endif 321