#ifndef _FC_ENCODE_H_

#define _FC_ENCODE_H_

#include <asm/unaligned.h>

#include <linux/utsname.h>

#define FC_FCTL_REQ (FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT)

#define FC_FCTL_RESP (FC_FC_EX_CTX | FC_FC_LAST_SEQ | \

FC_FC_END_SEQ | FC_FC_SEQ_INIT)

struct fc_ns_rft {

struct fc_ns_fid fid; /* port ID object */

struct fc_ns_fts fts; /* FC4-types object */

};

struct fc_ct_req {

};

static inline void __fc_fill_fc_hdr(struct fc_frame_header *fh,

enum fc_rctl r_ctl,

u32 did, u32 sid, enum fc_fh_type type,

u32 f_ctl, u32 parm_offset)

{

WARN_ON(r_ctl == 0);

fh->fh_r_ctl = r_ctl;

hton24(fh->fh_d_id, did);

hton24(fh->fh_s_id, sid);

fh->fh_type = type;

hton24(fh->fh_f_ctl, f_ctl);

fh->fh_cs_ctl = 0;

fh->fh_df_ctl = 0;

fh->fh_parm_offset = htonl(parm_offset);

}

static inline void fc_fill_fc_hdr(struct fc_frame *fp, enum fc_rctl r_ctl,

u32 did, u32 sid, enum fc_fh_type type,

u32 f_ctl, u32 parm_offset)

{

struct fc_frame_header *fh;

fh = fc_frame_header_get(fp);

__fc_fill_fc_hdr(fh, r_ctl, did, sid, type, f_ctl, parm_offset);

}

static inline void fc_adisc_fill(struct fc_lport *lport, struct fc_frame *fp)

{

struct fc_els_adisc *adisc;

adisc = fc_frame_payload_get(fp, sizeof(*adisc));

memset(adisc, 0, sizeof(*adisc));

adisc->adisc_cmd = ELS_ADISC;

put_unaligned_be64(lport->wwpn, &adisc->adisc_wwpn);

put_unaligned_be64(lport->wwnn, &adisc->adisc_wwnn);

hton24(adisc->adisc_port_id, lport->port_id);

}

static inline struct fc_ct_req *fc_ct_hdr_fill(const struct fc_frame *fp,

unsigned int op, size_t req_size,

enum fc_ct_fs_type fs_type,

u8 subtype)

{

struct fc_ct_req *ct;

size_t ct_plen;

ct_plen = sizeof(struct fc_ct_hdr) + req_size;

ct = fc_frame_payload_get(fp, ct_plen);

memset(ct, 0, ct_plen);

ct->hdr.ct_rev = FC_CT_REV;

ct->hdr.ct_fs_type = fs_type;

ct->hdr.ct_fs_subtype = subtype;

ct->hdr.ct_cmd = htons((u16) op);

return ct;

}

static inline int fc_ct_ns_fill(struct fc_lport *lport,

u32 fc_id, struct fc_frame *fp,

unsigned int op, enum fc_rctl *r_ctl,

enum fc_fh_type *fh_type)

{

struct fc_ct_req *ct;

size_t len;

switch (op) {

case FC_NS_GPN_FT:

ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_gid_ft),

FC_FST_DIR, FC_NS_SUBTYPE);

ct->payload.gid.fn_fc4_type = FC_TYPE_FCP;

break;

case FC_NS_GPN_ID:

ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_fid),

FC_FST_DIR, FC_NS_SUBTYPE);

ct->payload.gid.fn_fc4_type = FC_TYPE_FCP;

hton24(ct->payload.fid.fp_fid, fc_id);

break;

case FC_NS_RFT_ID:

ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rft),

FC_FST_DIR, FC_NS_SUBTYPE);

hton24(ct->payload.rft.fid.fp_fid, lport->port_id);

ct->payload.rft.fts = lport->fcts;

break;

case FC_NS_RFF_ID:

ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rff_id),

FC_FST_DIR, FC_NS_SUBTYPE);

hton24(ct->payload.rff.fr_fid.fp_fid, lport->port_id);

ct->payload.rff.fr_type = FC_TYPE_FCP;

if (lport->service_params & FCP_SPPF_INIT_FCN)

ct->payload.rff.fr_feat = FCP_FEAT_INIT;

if (lport->service_params & FCP_SPPF_TARG_FCN)

ct->payload.rff.fr_feat |= FCP_FEAT_TARG;

break;

case FC_NS_RNN_ID:

ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rn_id),

FC_FST_DIR, FC_NS_SUBTYPE);

hton24(ct->payload.rn.fr_fid.fp_fid, lport->port_id);

put_unaligned_be64(lport->wwnn, &ct->payload.rn.fr_wwn);

break;

case FC_NS_RSPN_ID:

len = strnlen(fc_host_symbolic_name(lport->host), 255);

ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rspn) + len,

FC_FST_DIR, FC_NS_SUBTYPE);

hton24(ct->payload.spn.fr_fid.fp_fid, lport->port_id);

strncpy(ct->payload.spn.fr_name,

fc_host_symbolic_name(lport->host), len);

ct->payload.spn.fr_name_len = len;

break;

case FC_NS_RSNN_NN:

len = strnlen(fc_host_symbolic_name(lport->host), 255);

ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rsnn) + len,

FC_FST_DIR, FC_NS_SUBTYPE);

put_unaligned_be64(lport->wwnn, &ct->payload.snn.fr_wwn);

strncpy(ct->payload.snn.fr_name,

fc_host_symbolic_name(lport->host), len);

ct->payload.snn.fr_name_len = len;

break;

default:

return -EINVAL;

}

*r_ctl = FC_RCTL_DD_UNSOL_CTL;

*fh_type = FC_TYPE_CT;

return 0;

}

static inline int fc_ct_ms_fill(struct fc_lport *lport,

u32 fc_id, struct fc_frame *fp,

unsigned int op, enum fc_rctl *r_ctl,

enum fc_fh_type *fh_type)

{

struct fc_ct_req *ct;

size_t len;

struct fc_fdmi_attr_entry *entry;

struct fs_fdmi_attrs *hba_attrs;

int numattrs = 0;

switch (op) {

case FC_FDMI_RHBA:

numattrs = 10;

len = sizeof(struct fc_fdmi_rhba);

len -= sizeof(struct fc_fdmi_attr_entry);

len += (numattrs * FC_FDMI_ATTR_ENTRY_HEADER_LEN);

len += FC_FDMI_HBA_ATTR_NODENAME_LEN;

len += FC_FDMI_HBA_ATTR_MANUFACTURER_LEN;

len += FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN;

len += FC_FDMI_HBA_ATTR_MODEL_LEN;

len += FC_FDMI_HBA_ATTR_MODELDESCR_LEN;

len += FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN;

len += FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN;

len += FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN;

len += FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN;

len += FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN;

ct = fc_ct_hdr_fill(fp, op, len, FC_FST_MGMT,

FC_FDMI_SUBTYPE);

/* HBA Identifier */

put_unaligned_be64(lport->wwpn, &ct->payload.rhba.hbaid.id);

/* Number of Ports - always 1 */

put_unaligned_be32(1, &ct->payload.rhba.port.numport);

/* Port Name */

put_unaligned_be64(lport->wwpn,

&ct->payload.rhba.port.port[0].portname);

/* HBA Attributes */

put_unaligned_be32(numattrs,

&ct->payload.rhba.hba_attrs.numattrs);

hba_attrs = &ct->payload.rhba.hba_attrs;

entry = (struct fc_fdmi_attr_entry *)hba_attrs->attr;

/* NodeName*/

len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;

len += FC_FDMI_HBA_ATTR_NODENAME_LEN;

put_unaligned_be16(FC_FDMI_HBA_ATTR_NODENAME,

&entry->type);

put_unaligned_be16(len, &entry->len);

put_unaligned_be64(lport->wwnn,

(__be64 *)&entry->value[0]);

/* Manufacturer */

entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +

FC_FDMI_HBA_ATTR_NODENAME_LEN);

len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;

len += FC_FDMI_HBA_ATTR_MANUFACTURER_LEN;

put_unaligned_be16(FC_FDMI_HBA_ATTR_MANUFACTURER,

&entry->type);

put_unaligned_be16(len, &entry->len);

strncpy((char *)&entry->value,

fc_host_manufacturer(lport->host),

FC_FDMI_HBA_ATTR_MANUFACTURER_LEN);

/* SerialNumber */

entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +

FC_FDMI_HBA_ATTR_MANUFACTURER_LEN);

len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;

len += FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN;

put_unaligned_be16(FC_FDMI_HBA_ATTR_SERIALNUMBER,

&entry->type);

put_unaligned_be16(len, &entry->len);

strncpy((char *)&entry->value,

fc_host_serial_number(lport->host),

FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN);

/* Model */

entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +

FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN);

len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;

len += FC_FDMI_HBA_ATTR_MODEL_LEN;

put_unaligned_be16(FC_FDMI_HBA_ATTR_MODEL,

&entry->type);

put_unaligned_be16(len, &entry->len);

strncpy((char *)&entry->value,

fc_host_model(lport->host),

FC_FDMI_HBA_ATTR_MODEL_LEN);

/* Model Description */

entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +

FC_FDMI_HBA_ATTR_MODEL_LEN);

len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;

len += FC_FDMI_HBA_ATTR_MODELDESCR_LEN;

put_unaligned_be16(FC_FDMI_HBA_ATTR_MODELDESCRIPTION,

&entry->type);

put_unaligned_be16(len, &entry->len);

strncpy((char *)&entry->value,

fc_host_model_description(lport->host),

FC_FDMI_HBA_ATTR_MODELDESCR_LEN);

/* Hardware Version */

entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +

FC_FDMI_HBA_ATTR_MODELDESCR_LEN);

len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;

len += FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN;

put_unaligned_be16(FC_FDMI_HBA_ATTR_HARDWAREVERSION,

&entry->type);

put_unaligned_be16(len, &entry->len);

strncpy((char *)&entry->value,

fc_host_hardware_version(lport->host),

FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN);

/* Driver Version */

entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +

FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN);

len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;

len += FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN;

put_unaligned_be16(FC_FDMI_HBA_ATTR_DRIVERVERSION,

&entry->type);

put_unaligned_be16(len, &entry->len);

strncpy((char *)&entry->value,

fc_host_driver_version(lport->host),

FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN);

/* OptionROM Version */

entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +

FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN);

len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;

len += FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN;

put_unaligned_be16(FC_FDMI_HBA_ATTR_OPTIONROMVERSION,

&entry->type);

put_unaligned_be16(len, &entry->len);

strncpy((char *)&entry->value,

fc_host_optionrom_version(lport->host),

FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN);

/* Firmware Version */

entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +

FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN);

len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;

len += FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN;

put_unaligned_be16(FC_FDMI_HBA_ATTR_FIRMWAREVERSION,

&entry->type);

put_unaligned_be16(len, &entry->len);

strncpy((char *)&entry->value,

fc_host_firmware_version(lport->host),

FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN);

/* OS Name and Version */

entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +

FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN);

len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;

len += FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN;

put_unaligned_be16(FC_FDMI_HBA_ATTR_OSNAMEVERSION,

&entry->type);

put_unaligned_be16(len, &entry->len);

snprintf((char *)&entry->value,

FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN,

"%s v%s",

init_utsname()->sysname,

init_utsname()->release);

break;

case FC_FDMI_RPA:

numattrs = 6;

len = sizeof(struct fc_fdmi_rpa);

len -= sizeof(struct fc_fdmi_attr_entry);

len += (numattrs * FC_FDMI_ATTR_ENTRY_HEADER_LEN);

len += FC_FDMI_PORT_ATTR_FC4TYPES_LEN;

len += FC_FDMI_PORT_ATTR_SUPPORTEDSPEED_LEN;

len += FC_FDMI_PORT_ATTR_CURRENTPORTSPEED_LEN;

len += FC_FDMI_PORT_ATTR_MAXFRAMESIZE_LEN;

len += FC_FDMI_PORT_ATTR_OSDEVICENAME_LEN;

len += FC_FDMI_PORT_ATTR_HOSTNAME_LEN;

ct = fc_ct_hdr_fill(fp, op, len, FC_FST_MGMT,

FC_FDMI_SUBTYPE);

/* Port Name */

put_unaligned_be64(lport->wwpn,

&ct->payload.rpa.port.portname);

/* Port Attributes */

put_unaligned_be32(numattrs,

&ct->payload.rpa.hba_attrs.numattrs);

hba_attrs = &ct->payload.rpa.hba_attrs;

entry = (struct fc_fdmi_attr_entry *)hba_attrs->attr;

/* FC4 types */

len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;

len += FC_FDMI_PORT_ATTR_FC4TYPES_LEN;

put_unaligned_be16(FC_FDMI_PORT_ATTR_FC4TYPES,

&entry->type);

put_unaligned_be16(len, &entry->len);

memcpy(&entry->value, fc_host_supported_fc4s(lport->host),

FC_FDMI_PORT_ATTR_FC4TYPES_LEN);

/* Supported Speed */

entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +

FC_FDMI_PORT_ATTR_FC4TYPES_LEN);

len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;

len += FC_FDMI_PORT_ATTR_SUPPORTEDSPEED_LEN;

put_unaligned_be16(FC_FDMI_PORT_ATTR_SUPPORTEDSPEED,

&entry->type);

put_unaligned_be16(len, &entry->len);

put_unaligned_be32(fc_host_supported_speeds(lport->host),

&entry->value);

/* Current Port Speed */

entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +

FC_FDMI_PORT_ATTR_SUPPORTEDSPEED_LEN);

len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;

len += FC_FDMI_PORT_ATTR_CURRENTPORTSPEED_LEN;

put_unaligned_be16(FC_FDMI_PORT_ATTR_CURRENTPORTSPEED,

&entry->type);

put_unaligned_be16(len, &entry->len);

put_unaligned_be32(lport->link_speed,

&entry->value);

/* Max Frame Size */

entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +

FC_FDMI_PORT_ATTR_CURRENTPORTSPEED_LEN);

len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;

len += FC_FDMI_PORT_ATTR_MAXFRAMESIZE_LEN;

put_unaligned_be16(FC_FDMI_PORT_ATTR_MAXFRAMESIZE,

&entry->type);

put_unaligned_be16(len, &entry->len);

put_unaligned_be32(fc_host_maxframe_size(lport->host),

&entry->value);

/* OS Device Name */

entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +

FC_FDMI_PORT_ATTR_MAXFRAMESIZE_LEN);

len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;

len += FC_FDMI_PORT_ATTR_OSDEVICENAME_LEN;

put_unaligned_be16(FC_FDMI_PORT_ATTR_OSDEVICENAME,

&entry->type);

put_unaligned_be16(len, &entry->len);

/* Use the sysfs device name */

strncpy((char *)&entry->value,

dev_name(&lport->host->shost_gendev),

strnlen(dev_name(&lport->host->shost_gendev),

FC_FDMI_PORT_ATTR_HOSTNAME_LEN));

/* Host Name */

entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +

FC_FDMI_PORT_ATTR_OSDEVICENAME_LEN);

len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;

len += FC_FDMI_PORT_ATTR_HOSTNAME_LEN;

put_unaligned_be16(FC_FDMI_PORT_ATTR_HOSTNAME,

&entry->type);

put_unaligned_be16(len, &entry->len);

if (strlen(fc_host_system_hostname(lport->host)))

strncpy((char *)&entry->value,

fc_host_system_hostname(lport->host),

strnlen(fc_host_system_hostname(lport->host),

FC_FDMI_PORT_ATTR_HOSTNAME_LEN));

else

strncpy((char *)&entry->value,

init_utsname()->nodename,

FC_FDMI_PORT_ATTR_HOSTNAME_LEN);

break;

case FC_FDMI_DPRT:

len = sizeof(struct fc_fdmi_dprt);

ct = fc_ct_hdr_fill(fp, op, len, FC_FST_MGMT,

FC_FDMI_SUBTYPE);

/* Port Name */

put_unaligned_be64(lport->wwpn,

&ct->payload.dprt.port.portname);

break;

case FC_FDMI_DHBA:

len = sizeof(struct fc_fdmi_dhba);

ct = fc_ct_hdr_fill(fp, op, len, FC_FST_MGMT,

FC_FDMI_SUBTYPE);

/* HBA Identifier */

put_unaligned_be64(lport->wwpn, &ct->payload.dhba.hbaid.id);

break;

default:

return -EINVAL;

}

*r_ctl = FC_RCTL_DD_UNSOL_CTL;

*fh_type = FC_TYPE_CT;

return 0;

}

static inline int fc_ct_fill(struct fc_lport *lport,

u32 fc_id, struct fc_frame *fp,

unsigned int op, enum fc_rctl *r_ctl,

enum fc_fh_type *fh_type, u32 *did)

{

int rc = -EINVAL;

switch (fc_id) {

case FC_FID_MGMT_SERV:

rc = fc_ct_ms_fill(lport, fc_id, fp, op, r_ctl, fh_type);

*did = FC_FID_MGMT_SERV;

break;

case FC_FID_DIR_SERV:

default:

rc = fc_ct_ns_fill(lport, fc_id, fp, op, r_ctl, fh_type);

*did = FC_FID_DIR_SERV;

break;

}

return rc;

}

static inline void fc_plogi_fill(struct fc_lport *lport, struct fc_frame *fp,

unsigned int op)

{

struct fc_els_flogi *plogi;

struct fc_els_csp *csp;

struct fc_els_cssp *cp;

plogi = fc_frame_payload_get(fp, sizeof(*plogi));

memset(plogi, 0, sizeof(*plogi));

plogi->fl_cmd = (u8) op;

put_unaligned_be64(lport->wwpn, &plogi->fl_wwpn);

put_unaligned_be64(lport->wwnn, &plogi->fl_wwnn);

csp = &plogi->fl_csp;

csp->sp_hi_ver = 0x20;

csp->sp_lo_ver = 0x20;

csp->sp_bb_cred = htons(10); /* this gets set by gateway */

csp->sp_bb_data = htons((u16) lport->mfs);

cp = &plogi->fl_cssp[3 - 1]; /* class 3 parameters */

cp->cp_class = htons(FC_CPC_VALID | FC_CPC_SEQ);

csp->sp_features = htons(FC_SP_FT_CIRO);

csp->sp_tot_seq = htons(255); /* seq. we accept */

csp->sp_rel_off = htons(0x1f);

csp->sp_e_d_tov = htonl(lport->e_d_tov);

cp->cp_rdfs = htons((u16) lport->mfs);

cp->cp_con_seq = htons(255);

cp->cp_open_seq = 1;

}

static inline void fc_flogi_fill(struct fc_lport *lport, struct fc_frame *fp)

{

struct fc_els_csp *sp;

struct fc_els_cssp *cp;

struct fc_els_flogi *flogi;

flogi = fc_frame_payload_get(fp, sizeof(*flogi));

memset(flogi, 0, sizeof(*flogi));

flogi->fl_cmd = (u8) ELS_FLOGI;

put_unaligned_be64(lport->wwpn, &flogi->fl_wwpn);

put_unaligned_be64(lport->wwnn, &flogi->fl_wwnn);

sp = &flogi->fl_csp;

sp->sp_hi_ver = 0x20;

sp->sp_lo_ver = 0x20;

sp->sp_bb_cred = htons(10); /* this gets set by gateway */

sp->sp_bb_data = htons((u16) lport->mfs);

cp = &flogi->fl_cssp[3 - 1]; /* class 3 parameters */

cp->cp_class = htons(FC_CPC_VALID | FC_CPC_SEQ);

if (lport->does_npiv)

sp->sp_features = htons(FC_SP_FT_NPIV);

}

static inline void fc_fdisc_fill(struct fc_lport *lport, struct fc_frame *fp)

{

struct fc_els_csp *sp;

struct fc_els_cssp *cp;

struct fc_els_flogi *fdisc;

fdisc = fc_frame_payload_get(fp, sizeof(*fdisc));

memset(fdisc, 0, sizeof(*fdisc));

fdisc->fl_cmd = (u8) ELS_FDISC;

put_unaligned_be64(lport->wwpn, &fdisc->fl_wwpn);

put_unaligned_be64(lport->wwnn, &fdisc->fl_wwnn);

sp = &fdisc->fl_csp;

sp->sp_hi_ver = 0x20;

sp->sp_lo_ver = 0x20;

sp->sp_bb_cred = htons(10); /* this gets set by gateway */

sp->sp_bb_data = htons((u16) lport->mfs);

cp = &fdisc->fl_cssp[3 - 1]; /* class 3 parameters */

cp->cp_class = htons(FC_CPC_VALID | FC_CPC_SEQ);

}

static inline void fc_logo_fill(struct fc_lport *lport, struct fc_frame *fp)

{

struct fc_els_logo *logo;

logo = fc_frame_payload_get(fp, sizeof(*logo));

memset(logo, 0, sizeof(*logo));

logo->fl_cmd = ELS_LOGO;

hton24(logo->fl_n_port_id, lport->port_id);

logo->fl_n_port_wwn = htonll(lport->wwpn);

}

static inline void fc_rtv_fill(struct fc_lport *lport, struct fc_frame *fp)

{

struct fc_els_rtv *rtv;

rtv = fc_frame_payload_get(fp, sizeof(*rtv));

memset(rtv, 0, sizeof(*rtv));

rtv->rtv_cmd = ELS_RTV;

}

static inline void fc_rec_fill(struct fc_lport *lport, struct fc_frame *fp)

{

struct fc_els_rec *rec;

struct fc_exch *ep = fc_seq_exch(fr_seq(fp));

rec = fc_frame_payload_get(fp, sizeof(*rec));

memset(rec, 0, sizeof(*rec));

rec->rec_cmd = ELS_REC;

hton24(rec->rec_s_id, lport->port_id);

rec->rec_ox_id = htons(ep->oxid);

rec->rec_rx_id = htons(ep->rxid);

}

static inline void fc_prli_fill(struct fc_lport *lport, struct fc_frame *fp)

{

struct {

struct fc_els_prli prli;

struct fc_els_spp spp;

} *pp;

pp = fc_frame_payload_get(fp, sizeof(*pp));

memset(pp, 0, sizeof(*pp));

pp->prli.prli_cmd = ELS_PRLI;

pp->prli.prli_spp_len = sizeof(struct fc_els_spp);

pp->prli.prli_len = htons(sizeof(*pp));

pp->spp.spp_type = FC_TYPE_FCP;

pp->spp.spp_flags = FC_SPP_EST_IMG_PAIR;

pp->spp.spp_params = htonl(lport->service_params);

}

static inline void fc_scr_fill(struct fc_lport *lport, struct fc_frame *fp)

{

struct fc_els_scr *scr;

scr = fc_frame_payload_get(fp, sizeof(*scr));

memset(scr, 0, sizeof(*scr));

scr->scr_cmd = ELS_SCR;

scr->scr_reg_func = ELS_SCRF_FULL;

}

static inline int fc_els_fill(struct fc_lport *lport,

u32 did,

struct fc_frame *fp, unsigned int op,

enum fc_rctl *r_ctl, enum fc_fh_type *fh_type)

{

switch (op) {

case ELS_ADISC:

fc_adisc_fill(lport, fp);

break;

case ELS_PLOGI:

fc_plogi_fill(lport, fp, ELS_PLOGI);

break;

case ELS_FLOGI:

fc_flogi_fill(lport, fp);

break;

case ELS_FDISC:

fc_fdisc_fill(lport, fp);

break;

case ELS_LOGO:

fc_logo_fill(lport, fp);

break;

case ELS_RTV:

fc_rtv_fill(lport, fp);

break;

case ELS_REC:

fc_rec_fill(lport, fp);

break;

case ELS_PRLI:

fc_prli_fill(lport, fp);

break;

case ELS_SCR:

fc_scr_fill(lport, fp);

break;

default:

return -EINVAL;

}

*r_ctl = FC_RCTL_ELS_REQ;

*fh_type = FC_TYPE_ELS;

return 0;

}

#endif /* _FC_ENCODE_H_ */