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/*
* Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/*
* fcbuild.h - FC link service frame building and parsing routines
*/
#ifndef __FCBUILD_H__
#define __FCBUILD_H__
#include "bfad_drv.h"
#include "bfa_fc.h"
#include "bfa_defs_fcs.h"
/*
* Utility Macros/functions
*/
#define wwn_is_equal(_wwn1, _wwn2) \
(memcmp(&(_wwn1), &(_wwn2), sizeof(wwn_t)) == 0)
#define fc_roundup(_l, _s) (((_l) + ((_s) - 1)) & ~((_s) - 1))
/*
* Given the fc response length, this routine will return
* the length of the actual payload bytes following the CT header.
*
* Assumes the input response length does not include the crc, eof, etc.
*/
static inline u32
fc_get_ctresp_pyld_len(u32 resp_len)
{
return resp_len - sizeof(struct ct_hdr_s);
}
/*
* Convert bfa speed to rpsc speed value.
*/
static inline enum bfa_port_speed
fc_rpsc_operspeed_to_bfa_speed(enum fc_rpsc_op_speed speed)
{
switch (speed) {
case RPSC_OP_SPEED_1G:
return BFA_PORT_SPEED_1GBPS;
case RPSC_OP_SPEED_2G:
return BFA_PORT_SPEED_2GBPS;
case RPSC_OP_SPEED_4G:
return BFA_PORT_SPEED_4GBPS;
case RPSC_OP_SPEED_8G:
return BFA_PORT_SPEED_8GBPS;
case RPSC_OP_SPEED_10G:
return BFA_PORT_SPEED_10GBPS;
default:
return BFA_PORT_SPEED_UNKNOWN;
}
}
/*
* Convert RPSC speed to bfa speed value.
*/
static inline enum fc_rpsc_op_speed
fc_bfa_speed_to_rpsc_operspeed(enum bfa_port_speed op_speed)
{
switch (op_speed) {
case BFA_PORT_SPEED_1GBPS:
return RPSC_OP_SPEED_1G;
case BFA_PORT_SPEED_2GBPS:
return RPSC_OP_SPEED_2G;
case BFA_PORT_SPEED_4GBPS:
return RPSC_OP_SPEED_4G;
case BFA_PORT_SPEED_8GBPS:
return RPSC_OP_SPEED_8G;
case BFA_PORT_SPEED_10GBPS:
return RPSC_OP_SPEED_10G;
default:
return RPSC_OP_SPEED_NOT_EST;
}
}
enum fc_parse_status {
FC_PARSE_OK = 0,
FC_PARSE_FAILURE = 1,
FC_PARSE_BUSY = 2,
FC_PARSE_LEN_INVAL,
FC_PARSE_ACC_INVAL,
FC_PARSE_PWWN_NOT_EQUAL,
FC_PARSE_NWWN_NOT_EQUAL,
FC_PARSE_RXSZ_INVAL,
FC_PARSE_NOT_FCP,
FC_PARSE_OPAFLAG_INVAL,
FC_PARSE_RPAFLAG_INVAL,
FC_PARSE_OPA_INVAL,
FC_PARSE_RPA_INVAL,
};
struct fc_templates_s {
struct fchs_s fc_els_req;
struct fchs_s fc_bls_req;
struct fc_logi_s plogi;
struct fc_rrq_s rrq;
};
void fcbuild_init(void);
u16 fc_flogi_build(struct fchs_s *fchs, struct fc_logi_s *flogi,
u32 s_id, u16 ox_id, wwn_t port_name, wwn_t node_name,
u16 pdu_size, u8 set_npiv, u8 set_auth,
u16 local_bb_credits);
u16 fc_fdisc_build(struct fchs_s *buf, struct fc_logi_s *flogi, u32 s_id,
u16 ox_id, wwn_t port_name, wwn_t node_name,
u16 pdu_size);
u16 fc_flogi_acc_build(struct fchs_s *fchs, struct fc_logi_s *flogi,
u32 s_id, __be16 ox_id,
wwn_t port_name, wwn_t node_name,
u16 pdu_size,
u16 local_bb_credits);
u16 fc_plogi_build(struct fchs_s *fchs, void *pld, u32 d_id,
u32 s_id, u16 ox_id, wwn_t port_name,
wwn_t node_name, u16 pdu_size);
enum fc_parse_status fc_plogi_parse(struct fchs_s *fchs);
u16 fc_abts_build(struct fchs_s *buf, u32 d_id, u32 s_id,
u16 ox_id);
enum fc_parse_status fc_abts_rsp_parse(struct fchs_s *buf, int len);
u16 fc_rrq_build(struct fchs_s *buf, struct fc_rrq_s *rrq, u32 d_id,
u32 s_id, u16 ox_id, u16 rrq_oxid);
enum fc_parse_status fc_rrq_rsp_parse(struct fchs_s *buf, int len);
u16 fc_rspnid_build(struct fchs_s *fchs, void *pld, u32 s_id,
u16 ox_id, u8 *name);
u16 fc_rftid_build(struct fchs_s *fchs, void *pld, u32 s_id,
u16 ox_id, enum bfa_lport_role role);
u16 fc_rftid_build_sol(struct fchs_s *fchs, void *pyld, u32 s_id,
u16 ox_id, u8 *fc4_bitmap,
u32 bitmap_size);
u16 fc_rffid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
u16 ox_id, u8 fc4_type, u8 fc4_ftrs);
u16 fc_gidpn_build(struct fchs_s *fchs, void *pyld, u32 s_id,
u16 ox_id, wwn_t port_name);
u16 fc_gpnid_build(struct fchs_s *fchs, void *pld, u32 s_id,
u16 ox_id, u32 port_id);
u16 fc_scr_build(struct fchs_s *fchs, struct fc_scr_s *scr,
u8 set_br_reg, u32 s_id, u16 ox_id);
u16 fc_plogi_acc_build(struct fchs_s *fchs, void *pld, u32 d_id,
u32 s_id, u16 ox_id,
wwn_t port_name, wwn_t node_name,
u16 pdu_size);
u16 fc_adisc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc,
u32 d_id, u32 s_id, __be16 ox_id, wwn_t port_name,
wwn_t node_name);
enum fc_parse_status fc_adisc_parse(struct fchs_s *fchs, void *pld,
u32 host_dap, wwn_t node_name, wwn_t port_name);
enum fc_parse_status fc_adisc_rsp_parse(struct fc_adisc_s *adisc, int len,
wwn_t port_name, wwn_t node_name);
u16 fc_adisc_acc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc,
u32 d_id, u32 s_id, __be16 ox_id,
wwn_t port_name, wwn_t node_name);
u16 fc_ls_rjt_build(struct fchs_s *fchs, struct fc_ls_rjt_s *ls_rjt,
u32 d_id, u32 s_id, __be16 ox_id,
u8 reason_code, u8 reason_code_expl);
u16 fc_ls_acc_build(struct fchs_s *fchs, struct fc_els_cmd_s *els_cmd,
u32 d_id, u32 s_id, __be16 ox_id);
u16 fc_prli_build(struct fchs_s *fchs, void *pld, u32 d_id,
u32 s_id, u16 ox_id);
enum fc_parse_status fc_prli_rsp_parse(struct fc_prli_s *prli, int len);
u16 fc_prli_acc_build(struct fchs_s *fchs, void *pld, u32 d_id,
u32 s_id, __be16 ox_id,
enum bfa_lport_role role);
u16 fc_rnid_build(struct fchs_s *fchs, struct fc_rnid_cmd_s *rnid,
u32 d_id, u32 s_id, u16 ox_id,
u32 data_format);
u16 fc_rnid_acc_build(struct fchs_s *fchs,
struct fc_rnid_acc_s *rnid_acc, u32 d_id, u32 s_id,
__be16 ox_id, u32 data_format,
struct fc_rnid_common_id_data_s *common_id_data,
struct fc_rnid_general_topology_data_s *gen_topo_data);
u16 fc_rpsc2_build(struct fchs_s *fchs, struct fc_rpsc2_cmd_s *rps2c,
u32 d_id, u32 s_id, u32 *pid_list, u16 npids);
u16 fc_rpsc_build(struct fchs_s *fchs, struct fc_rpsc_cmd_s *rpsc,
u32 d_id, u32 s_id, u16 ox_id);
u16 fc_rpsc_acc_build(struct fchs_s *fchs,
struct fc_rpsc_acc_s *rpsc_acc, u32 d_id, u32 s_id,
__be16 ox_id, struct fc_rpsc_speed_info_s *oper_speed);
u16 fc_gid_ft_build(struct fchs_s *fchs, void *pld, u32 s_id,
u8 fc4_type);
u16 fc_rpnid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
u32 port_id, wwn_t port_name);
u16 fc_rnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
u32 port_id, wwn_t node_name);
u16 fc_rcsid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
u32 port_id, u32 cos);
u16 fc_rptid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
u32 port_id, u8 port_type);
u16 fc_ganxt_build(struct fchs_s *fchs, void *pyld, u32 s_id,
u32 port_id);
u16 fc_logo_build(struct fchs_s *fchs, struct fc_logo_s *logo, u32 d_id,
u32 s_id, u16 ox_id, wwn_t port_name);
u16 fc_logo_acc_build(struct fchs_s *fchs, void *pld, u32 d_id,
u32 s_id, __be16 ox_id);
u16 fc_fdmi_reqhdr_build(struct fchs_s *fchs, void *pyld, u32 s_id,
u16 cmd_code);
u16 fc_gmal_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn);
u16 fc_gfn_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn);
void fc_get_fc4type_bitmask(u8 fc4_type, u8 *bit_mask);
void fc_els_req_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
__be16 ox_id);
enum fc_parse_status fc_els_rsp_parse(struct fchs_s *fchs, int len);
enum fc_parse_status fc_plogi_rsp_parse(struct fchs_s *fchs, int len,
wwn_t port_name);
enum fc_parse_status fc_prli_parse(struct fc_prli_s *prli);
enum fc_parse_status fc_pdisc_parse(struct fchs_s *fchs, wwn_t node_name,
wwn_t port_name);
u16 fc_ba_acc_build(struct fchs_s *fchs, struct fc_ba_acc_s *ba_acc, u32 d_id,
u32 s_id, __be16 ox_id, u16 rx_id);
int fc_logout_params_pages(struct fchs_s *fc_frame, u8 els_code);
u16 fc_tprlo_acc_build(struct fchs_s *fchs, struct fc_tprlo_acc_s *tprlo_acc,
u32 d_id, u32 s_id, __be16 ox_id, int num_pages);
u16 fc_prlo_acc_build(struct fchs_s *fchs, struct fc_prlo_acc_s *prlo_acc,
u32 d_id, u32 s_id, __be16 ox_id, int num_pages);
u16 fc_logo_rsp_parse(struct fchs_s *fchs, int len);
u16 fc_pdisc_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
u16 ox_id, wwn_t port_name, wwn_t node_name,
u16 pdu_size);
u16 fc_pdisc_rsp_parse(struct fchs_s *fchs, int len, wwn_t port_name);
u16 fc_prlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
u16 ox_id, int num_pages);
u16 fc_prlo_rsp_parse(struct fchs_s *fchs, int len);
u16 fc_tprlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
u16 ox_id, int num_pages, enum fc_tprlo_type tprlo_type,
u32 tpr_id);
u16 fc_tprlo_rsp_parse(struct fchs_s *fchs, int len);
u16 fc_ba_rjt_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
__be16 ox_id, u32 reason_code, u32 reason_expl);
u16 fc_gnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id,
u32 port_id);
u16 fc_ct_rsp_parse(struct ct_hdr_s *cthdr);
u16 fc_rscn_build(struct fchs_s *fchs, struct fc_rscn_pl_s *rscn, u32 s_id,
u16 ox_id);
#endif
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