drivers/scsi/bfa/bfa_fcbuild.h

   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
  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
  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
  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