1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc. 4 * Copyright (c) 2014- QLogic Corporation. 5 * All rights reserved 6 * www.qlogic.com 7 * 8 * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter. 9 */ 10 /* 11 * fcbuild.h - FC link service frame building and parsing routines 12 */ 13 14 #ifndef __FCBUILD_H__ 15 #define __FCBUILD_H__ 16 17 #include "bfad_drv.h" 18 #include "bfa_fc.h" 19 #include "bfa_defs_fcs.h" 20 21 /* 22 * Utility Macros/functions 23 */ 24 25 #define wwn_is_equal(_wwn1, _wwn2) \ 26 (memcmp(&(_wwn1), &(_wwn2), sizeof(wwn_t)) == 0) 27 28 #define fc_roundup(_l, _s) (((_l) + ((_s) - 1)) & ~((_s) - 1)) 29 30 /* 31 * Given the fc response length, this routine will return 32 * the length of the actual payload bytes following the CT header. 33 * 34 * Assumes the input response length does not include the crc, eof, etc. 35 */ 36 static inline u32 fc_get_ctresp_pyld_len(u32 resp_len)37 fc_get_ctresp_pyld_len(u32 resp_len) 38 { 39 return resp_len - sizeof(struct ct_hdr_s); 40 } 41 42 /* 43 * Convert bfa speed to rpsc speed value. 44 */ 45 static inline enum bfa_port_speed fc_rpsc_operspeed_to_bfa_speed(enum fc_rpsc_op_speed speed)46 fc_rpsc_operspeed_to_bfa_speed(enum fc_rpsc_op_speed speed) 47 { 48 switch (speed) { 49 50 case RPSC_OP_SPEED_1G: 51 return BFA_PORT_SPEED_1GBPS; 52 53 case RPSC_OP_SPEED_2G: 54 return BFA_PORT_SPEED_2GBPS; 55 56 case RPSC_OP_SPEED_4G: 57 return BFA_PORT_SPEED_4GBPS; 58 59 case RPSC_OP_SPEED_8G: 60 return BFA_PORT_SPEED_8GBPS; 61 62 case RPSC_OP_SPEED_16G: 63 return BFA_PORT_SPEED_16GBPS; 64 65 case RPSC_OP_SPEED_10G: 66 return BFA_PORT_SPEED_10GBPS; 67 68 default: 69 return BFA_PORT_SPEED_UNKNOWN; 70 } 71 } 72 73 /* 74 * Convert RPSC speed to bfa speed value. 75 */ 76 static inline enum fc_rpsc_op_speed fc_bfa_speed_to_rpsc_operspeed(enum bfa_port_speed op_speed)77 fc_bfa_speed_to_rpsc_operspeed(enum bfa_port_speed op_speed) 78 { 79 switch (op_speed) { 80 81 case BFA_PORT_SPEED_1GBPS: 82 return RPSC_OP_SPEED_1G; 83 84 case BFA_PORT_SPEED_2GBPS: 85 return RPSC_OP_SPEED_2G; 86 87 case BFA_PORT_SPEED_4GBPS: 88 return RPSC_OP_SPEED_4G; 89 90 case BFA_PORT_SPEED_8GBPS: 91 return RPSC_OP_SPEED_8G; 92 93 case BFA_PORT_SPEED_16GBPS: 94 return RPSC_OP_SPEED_16G; 95 96 case BFA_PORT_SPEED_10GBPS: 97 return RPSC_OP_SPEED_10G; 98 99 default: 100 return RPSC_OP_SPEED_NOT_EST; 101 } 102 } 103 104 enum fc_parse_status { 105 FC_PARSE_OK = 0, 106 FC_PARSE_FAILURE = 1, 107 FC_PARSE_BUSY = 2, 108 FC_PARSE_LEN_INVAL, 109 FC_PARSE_ACC_INVAL, 110 FC_PARSE_PWWN_NOT_EQUAL, 111 FC_PARSE_NWWN_NOT_EQUAL, 112 FC_PARSE_RXSZ_INVAL, 113 FC_PARSE_NOT_FCP, 114 FC_PARSE_OPAFLAG_INVAL, 115 FC_PARSE_RPAFLAG_INVAL, 116 FC_PARSE_OPA_INVAL, 117 FC_PARSE_RPA_INVAL, 118 119 }; 120 121 struct fc_templates_s { 122 struct fchs_s fc_els_req; 123 struct fchs_s fc_bls_req; 124 struct fc_logi_s plogi; 125 struct fc_rrq_s rrq; 126 }; 127 128 void fcbuild_init(void); 129 130 u16 fc_flogi_build(struct fchs_s *fchs, struct fc_logi_s *flogi, 131 u32 s_id, u16 ox_id, wwn_t port_name, wwn_t node_name, 132 u16 pdu_size, u8 set_npiv, u8 set_auth, 133 u16 local_bb_credits); 134 135 u16 fc_fdisc_build(struct fchs_s *buf, struct fc_logi_s *flogi, u32 s_id, 136 u16 ox_id, wwn_t port_name, wwn_t node_name, 137 u16 pdu_size); 138 139 u16 fc_flogi_acc_build(struct fchs_s *fchs, struct fc_logi_s *flogi, 140 u32 s_id, __be16 ox_id, 141 wwn_t port_name, wwn_t node_name, 142 u16 pdu_size, 143 u16 local_bb_credits, u8 bb_scn); 144 145 u16 fc_plogi_build(struct fchs_s *fchs, void *pld, u32 d_id, 146 u32 s_id, u16 ox_id, wwn_t port_name, 147 wwn_t node_name, u16 pdu_size, u16 bb_cr); 148 149 enum fc_parse_status fc_plogi_parse(struct fchs_s *fchs); 150 151 u16 fc_abts_build(struct fchs_s *buf, u32 d_id, u32 s_id, 152 u16 ox_id); 153 154 enum fc_parse_status fc_abts_rsp_parse(struct fchs_s *buf, int len); 155 156 u16 fc_rrq_build(struct fchs_s *buf, struct fc_rrq_s *rrq, u32 d_id, 157 u32 s_id, u16 ox_id, u16 rrq_oxid); 158 159 u16 fc_rspnid_build(struct fchs_s *fchs, void *pld, u32 s_id, 160 u16 ox_id, u8 *name); 161 u16 fc_rsnn_nn_build(struct fchs_s *fchs, void *pld, u32 s_id, 162 wwn_t node_name, u8 *name); 163 164 u16 fc_rftid_build(struct fchs_s *fchs, void *pld, u32 s_id, 165 u16 ox_id, enum bfa_lport_role role); 166 167 u16 fc_rftid_build_sol(struct fchs_s *fchs, void *pyld, u32 s_id, 168 u16 ox_id, u8 *fc4_bitmap, 169 u32 bitmap_size); 170 171 u16 fc_rffid_build(struct fchs_s *fchs, void *pyld, u32 s_id, 172 u16 ox_id, u8 fc4_type, u8 fc4_ftrs); 173 174 u16 fc_gidpn_build(struct fchs_s *fchs, void *pyld, u32 s_id, 175 u16 ox_id, wwn_t port_name); 176 177 u16 fc_gpnid_build(struct fchs_s *fchs, void *pld, u32 s_id, 178 u16 ox_id, u32 port_id); 179 180 u16 fc_gs_rjt_build(struct fchs_s *fchs, struct ct_hdr_s *cthdr, 181 u32 d_id, u32 s_id, u16 ox_id, 182 u8 reason_code, u8 reason_code_expl); 183 184 u16 fc_scr_build(struct fchs_s *fchs, struct fc_scr_s *scr, 185 u8 set_br_reg, u32 s_id, u16 ox_id); 186 187 u16 fc_plogi_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, 188 u32 s_id, u16 ox_id, 189 wwn_t port_name, wwn_t node_name, 190 u16 pdu_size, u16 bb_cr); 191 192 u16 fc_adisc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, 193 u32 d_id, u32 s_id, __be16 ox_id, wwn_t port_name, 194 wwn_t node_name); 195 196 enum fc_parse_status fc_adisc_parse(struct fchs_s *fchs, void *pld, 197 u32 host_dap, wwn_t node_name, wwn_t port_name); 198 199 enum fc_parse_status fc_adisc_rsp_parse(struct fc_adisc_s *adisc, int len, 200 wwn_t port_name, wwn_t node_name); 201 202 u16 fc_adisc_acc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, 203 u32 d_id, u32 s_id, __be16 ox_id, 204 wwn_t port_name, wwn_t node_name); 205 u16 fc_ls_rjt_build(struct fchs_s *fchs, struct fc_ls_rjt_s *ls_rjt, 206 u32 d_id, u32 s_id, __be16 ox_id, 207 u8 reason_code, u8 reason_code_expl); 208 u16 fc_ls_acc_build(struct fchs_s *fchs, struct fc_els_cmd_s *els_cmd, 209 u32 d_id, u32 s_id, __be16 ox_id); 210 u16 fc_prli_build(struct fchs_s *fchs, void *pld, u32 d_id, 211 u32 s_id, u16 ox_id); 212 213 enum fc_parse_status fc_prli_rsp_parse(struct fc_prli_s *prli, int len); 214 215 u16 fc_prli_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, 216 u32 s_id, __be16 ox_id, 217 enum bfa_lport_role role); 218 219 u16 fc_rnid_build(struct fchs_s *fchs, struct fc_rnid_cmd_s *rnid, 220 u32 d_id, u32 s_id, u16 ox_id, 221 u32 data_format); 222 223 u16 fc_rnid_acc_build(struct fchs_s *fchs, 224 struct fc_rnid_acc_s *rnid_acc, u32 d_id, u32 s_id, 225 __be16 ox_id, u32 data_format, 226 struct fc_rnid_common_id_data_s *common_id_data, 227 struct fc_rnid_general_topology_data_s *gen_topo_data); 228 229 u16 fc_rpsc2_build(struct fchs_s *fchs, struct fc_rpsc2_cmd_s *rps2c, 230 u32 d_id, u32 s_id, u32 *pid_list, u16 npids); 231 u16 fc_rpsc_build(struct fchs_s *fchs, struct fc_rpsc_cmd_s *rpsc, 232 u32 d_id, u32 s_id, u16 ox_id); 233 u16 fc_rpsc_acc_build(struct fchs_s *fchs, 234 struct fc_rpsc_acc_s *rpsc_acc, u32 d_id, u32 s_id, 235 __be16 ox_id, struct fc_rpsc_speed_info_s *oper_speed); 236 u16 fc_gid_ft_build(struct fchs_s *fchs, void *pld, u32 s_id, 237 u8 fc4_type); 238 239 u16 fc_rpnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, 240 u32 port_id, wwn_t port_name); 241 242 u16 fc_rnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, 243 u32 port_id, wwn_t node_name); 244 245 u16 fc_rcsid_build(struct fchs_s *fchs, void *pyld, u32 s_id, 246 u32 port_id, u32 cos); 247 248 u16 fc_rptid_build(struct fchs_s *fchs, void *pyld, u32 s_id, 249 u32 port_id, u8 port_type); 250 251 u16 fc_ganxt_build(struct fchs_s *fchs, void *pyld, u32 s_id, 252 u32 port_id); 253 254 u16 fc_logo_build(struct fchs_s *fchs, struct fc_logo_s *logo, u32 d_id, 255 u32 s_id, u16 ox_id, wwn_t port_name); 256 257 u16 fc_logo_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, 258 u32 s_id, __be16 ox_id); 259 260 u16 fc_fdmi_reqhdr_build(struct fchs_s *fchs, void *pyld, u32 s_id, 261 u16 cmd_code); 262 u16 fc_gmal_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn); 263 u16 fc_gfn_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn); 264 265 void fc_get_fc4type_bitmask(u8 fc4_type, u8 *bit_mask); 266 267 void fc_els_req_build(struct fchs_s *fchs, u32 d_id, u32 s_id, 268 __be16 ox_id); 269 270 enum fc_parse_status fc_plogi_rsp_parse(struct fchs_s *fchs, int len, 271 wwn_t port_name); 272 273 enum fc_parse_status fc_prli_parse(struct fc_prli_s *prli); 274 275 enum fc_parse_status fc_pdisc_parse(struct fchs_s *fchs, wwn_t node_name, 276 wwn_t port_name); 277 278 u16 fc_ba_acc_build(struct fchs_s *fchs, struct fc_ba_acc_s *ba_acc, u32 d_id, 279 u32 s_id, __be16 ox_id, u16 rx_id); 280 281 int fc_logout_params_pages(struct fchs_s *fc_frame, u8 els_code); 282 283 u16 fc_tprlo_acc_build(struct fchs_s *fchs, struct fc_tprlo_acc_s *tprlo_acc, 284 u32 d_id, u32 s_id, __be16 ox_id, int num_pages); 285 286 u16 fc_prlo_acc_build(struct fchs_s *fchs, struct fc_prlo_acc_s *prlo_acc, 287 u32 d_id, u32 s_id, __be16 ox_id, int num_pages); 288 289 u16 fc_pdisc_build(struct fchs_s *fchs, u32 d_id, u32 s_id, 290 u16 ox_id, wwn_t port_name, wwn_t node_name, 291 u16 pdu_size); 292 293 u16 fc_pdisc_rsp_parse(struct fchs_s *fchs, int len, wwn_t port_name); 294 295 u16 fc_prlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, 296 u16 ox_id, int num_pages); 297 298 u16 fc_tprlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, 299 u16 ox_id, int num_pages, enum fc_tprlo_type tprlo_type, 300 u32 tpr_id); 301 302 u16 fc_ba_rjt_build(struct fchs_s *fchs, u32 d_id, u32 s_id, 303 __be16 ox_id, u32 reason_code, u32 reason_expl); 304 305 u16 fc_gnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, 306 u32 port_id); 307 308 u16 fc_ct_rsp_parse(struct ct_hdr_s *cthdr); 309 310 u16 fc_rscn_build(struct fchs_s *fchs, struct fc_rscn_pl_s *rscn, u32 s_id, 311 u16 ox_id); 312 #endif 313