diff options
Diffstat (limited to 'include/scsi/fc_encode.h')
| -rw-r--r-- | include/scsi/fc_encode.h | 727 |
1 files changed, 0 insertions, 727 deletions
diff --git a/include/scsi/fc_encode.h b/include/scsi/fc_encode.h deleted file mode 100644 index c6660205d73f..000000000000 --- a/include/scsi/fc_encode.h +++ /dev/null @@ -1,727 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright(c) 2008 Intel Corporation. All rights reserved. - * - * Maintained at www.Open-FCoE.org - */ - -#ifndef _FC_ENCODE_H_ -#define _FC_ENCODE_H_ -#include <asm/unaligned.h> -#include <linux/utsname.h> - -/* - * F_CTL values for simple requests and responses. - */ -#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 { - struct fc_ct_hdr hdr; - union { - struct fc_ns_gid_ft gid; - struct fc_ns_rn_id rn; - struct fc_ns_rft rft; - struct fc_ns_rff_id rff; - struct fc_ns_fid fid; - struct fc_ns_rsnn snn; - struct fc_ns_rspn spn; - struct fc_fdmi_rhba rhba; - struct fc_fdmi_rpa rpa; - struct fc_fdmi_dprt dprt; - struct fc_fdmi_dhba dhba; - } payload; -}; - -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); -} - -/** - * fill FC header fields in specified fc_frame - */ -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); -} - -/** - * fc_adisc_fill() - Fill in adisc request frame - * @lport: local port. - * @fp: fc frame where payload will be placed. - */ -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); -} - -/** - * fc_ct_hdr_fill- fills ct header and reset ct payload - * returns pointer to ct request. - */ -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; -} - -/** - * fc_ct_ns_fill() - Fill in a name service request frame - * @lport: local port. - * @fc_id: FC_ID of non-destination rport for GPN_ID and similar inquiries. - * @fp: frame to contain payload. - * @op: CT opcode. - * @r_ctl: pointer to FC header R_CTL. - * @fh_type: pointer to FC-4 type. - */ -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; -} - -/** - * fc_ct_ms_fill() - Fill in a mgmt service request frame - * @lport: local port. - * @fc_id: FC_ID of non-destination rport for GPN_ID and similar inquiries. - * @fp: frame to contain payload. - * @op: CT opcode. - * @r_ctl: pointer to FC header R_CTL. - * @fh_type: pointer to FC-4 type. - */ -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; -} - -/** - * fc_ct_fill() - Fill in a common transport service request frame - * @lport: local port. - * @fc_id: FC_ID of non-destination rport for GPN_ID and similar inquiries. - * @fp: frame to contain payload. - * @op: CT opcode. - * @r_ctl: pointer to FC header R_CTL. - * @fh_type: pointer to FC-4 type. - */ -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; -} -/** - * fc_plogi_fill - Fill in plogi request frame - */ -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; -} - -/** - * fc_flogi_fill - Fill in a flogi request frame. - */ -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); -} - -/** - * fc_fdisc_fill - Fill in a fdisc request frame. - */ -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); -} - -/** - * fc_logo_fill - Fill in a logo request frame. - */ -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); -} - -/** - * fc_rtv_fill - Fill in RTV (read timeout value) request frame. - */ -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; -} - -/** - * fc_rec_fill - Fill in rec request frame - */ -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); -} - -/** - * fc_prli_fill - Fill in prli request frame - */ -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); -} - -/** - * fc_scr_fill - Fill in a scr request frame. - */ -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; -} - -/** - * fc_els_fill - Fill in an ELS request frame - */ -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_ */ |