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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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#ifndef _FC_ENCODE_H_#define _FC_ENCODE_H_#include <linux/unaligned.h>#include <linux/utsname.h>#include <scsi/fc/fc_ms.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;};
/** * 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), FC_SYMBOLIC_NAME_SIZE); 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); memcpy(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), FC_SYMBOLIC_NAME_SIZE); 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); memcpy(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 void fc_ct_ms_fill_attr(struct fc_fdmi_attr_entry *entry, const char *in, size_t len){ int copied;
copied = strscpy(entry->value, in, len); if (copied > 0 && copied + 1 < len) memset(entry->value + copied + 1, 0, len - copied - 1);}
/** * 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; struct fc_host_attrs *fc_host = shost_to_fc_host(lport->host);
switch (op) { case FC_FDMI_RHBA: numattrs = 11; 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; len += FC_FDMI_HBA_ATTR_MAXCTPAYLOAD_LEN;
if (fc_host->fdmi_version == FDMI_V2) { numattrs += 7; len += FC_FDMI_HBA_ATTR_NODESYMBLNAME_LEN; len += FC_FDMI_HBA_ATTR_VENDORSPECIFICINFO_LEN; len += FC_FDMI_HBA_ATTR_NUMBEROFPORTS_LEN; len += FC_FDMI_HBA_ATTR_FABRICNAME_LEN; len += FC_FDMI_HBA_ATTR_BIOSVERSION_LEN; len += FC_FDMI_HBA_ATTR_BIOSSTATE_LEN; len += FC_FDMI_HBA_ATTR_VENDORIDENTIFIER_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);
/* 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); fc_ct_ms_fill_attr(entry, 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); fc_ct_ms_fill_attr(entry, 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); fc_ct_ms_fill_attr(entry, 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); fc_ct_ms_fill_attr(entry, 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); fc_ct_ms_fill_attr(entry, 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); fc_ct_ms_fill_attr(entry, 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); fc_ct_ms_fill_attr(entry, "unknown", 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); fc_ct_ms_fill_attr(entry, 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, "%.62s v%.62s", init_utsname()->sysname, init_utsname()->release);
/* Max CT payload */ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN); len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; len += FC_FDMI_HBA_ATTR_MAXCTPAYLOAD_LEN; put_unaligned_be16(FC_FDMI_HBA_ATTR_MAXCTPAYLOAD, &entry->type); put_unaligned_be16(len, &entry->len); put_unaligned_be32(fc_host_max_ct_payload(lport->host), &entry->value);
if (fc_host->fdmi_version == FDMI_V2) { /* Node symbolic name */ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + FC_FDMI_HBA_ATTR_MAXCTPAYLOAD_LEN); len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; len += FC_FDMI_HBA_ATTR_NODESYMBLNAME_LEN; put_unaligned_be16(FC_FDMI_HBA_ATTR_NODESYMBLNAME, &entry->type); put_unaligned_be16(len, &entry->len); fc_ct_ms_fill_attr(entry, fc_host_symbolic_name(lport->host), FC_FDMI_HBA_ATTR_NODESYMBLNAME_LEN);
/* Vendor specific info */ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + FC_FDMI_HBA_ATTR_NODESYMBLNAME_LEN); len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; len += FC_FDMI_HBA_ATTR_VENDORSPECIFICINFO_LEN; put_unaligned_be16(FC_FDMI_HBA_ATTR_VENDORSPECIFICINFO, &entry->type); put_unaligned_be16(len, &entry->len); put_unaligned_be32(0, &entry->value);
/* Number of ports */ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + FC_FDMI_HBA_ATTR_VENDORSPECIFICINFO_LEN); len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; len += FC_FDMI_HBA_ATTR_NUMBEROFPORTS_LEN; put_unaligned_be16(FC_FDMI_HBA_ATTR_NUMBEROFPORTS, &entry->type); put_unaligned_be16(len, &entry->len); put_unaligned_be32(fc_host_num_ports(lport->host), &entry->value);
/* Fabric name */ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + FC_FDMI_HBA_ATTR_NUMBEROFPORTS_LEN); len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; len += FC_FDMI_HBA_ATTR_FABRICNAME_LEN; put_unaligned_be16(FC_FDMI_HBA_ATTR_FABRICNAME, &entry->type); put_unaligned_be16(len, &entry->len); put_unaligned_be64(fc_host_fabric_name(lport->host), &entry->value);
/* BIOS version */ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + FC_FDMI_HBA_ATTR_FABRICNAME_LEN); len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; len += FC_FDMI_HBA_ATTR_BIOSVERSION_LEN; put_unaligned_be16(FC_FDMI_HBA_ATTR_BIOSVERSION, &entry->type); put_unaligned_be16(len, &entry->len); fc_ct_ms_fill_attr(entry, fc_host_bootbios_version(lport->host), FC_FDMI_HBA_ATTR_BIOSVERSION_LEN);
/* BIOS state */ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + FC_FDMI_HBA_ATTR_BIOSVERSION_LEN); len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; len += FC_FDMI_HBA_ATTR_BIOSSTATE_LEN; put_unaligned_be16(FC_FDMI_HBA_ATTR_BIOSSTATE, &entry->type); put_unaligned_be16(len, &entry->len); put_unaligned_be32(fc_host_bootbios_state(lport->host), &entry->value);
/* Vendor identifier */ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + FC_FDMI_HBA_ATTR_BIOSSTATE_LEN); len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; len += FC_FDMI_HBA_ATTR_VENDORIDENTIFIER_LEN; put_unaligned_be16(FC_FDMI_HBA_ATTR_VENDORIDENTIFIER, &entry->type); put_unaligned_be16(len, &entry->len); fc_ct_ms_fill_attr(entry, fc_host_vendor_identifier(lport->host), FC_FDMI_HBA_ATTR_VENDORIDENTIFIER_LEN); }
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;
if (fc_host->fdmi_version == FDMI_V2) { numattrs += 10;
len += FC_FDMI_PORT_ATTR_NODENAME_LEN; len += FC_FDMI_PORT_ATTR_PORTNAME_LEN; len += FC_FDMI_PORT_ATTR_SYMBOLICNAME_LEN; len += FC_FDMI_PORT_ATTR_PORTTYPE_LEN; len += FC_FDMI_PORT_ATTR_SUPPORTEDCLASSSRVC_LEN; len += FC_FDMI_PORT_ATTR_FABRICNAME_LEN; len += FC_FDMI_PORT_ATTR_CURRENTFC4TYPE_LEN; len += FC_FDMI_PORT_ATTR_PORTSTATE_LEN; len += FC_FDMI_PORT_ATTR_DISCOVEREDPORTS_LEN; len += FC_FDMI_PORT_ATTR_PORTID_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 */ fc_ct_ms_fill_attr(entry, 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))) fc_ct_ms_fill_attr(entry, fc_host_system_hostname(lport->host), strnlen(fc_host_system_hostname(lport->host), FC_FDMI_PORT_ATTR_HOSTNAME_LEN)); else fc_ct_ms_fill_attr(entry, init_utsname()->nodename, FC_FDMI_PORT_ATTR_HOSTNAME_LEN);
if (fc_host->fdmi_version == FDMI_V2) {
/* Node name */ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + FC_FDMI_PORT_ATTR_HOSTNAME_LEN); len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; len += FC_FDMI_PORT_ATTR_NODENAME_LEN; put_unaligned_be16(FC_FDMI_PORT_ATTR_NODENAME, &entry->type); put_unaligned_be16(len, &entry->len); put_unaligned_be64(fc_host_node_name(lport->host), &entry->value);
/* Port name */ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + FC_FDMI_PORT_ATTR_NODENAME_LEN); len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; len += FC_FDMI_PORT_ATTR_PORTNAME_LEN; put_unaligned_be16(FC_FDMI_PORT_ATTR_PORTNAME, &entry->type); put_unaligned_be16(len, &entry->len); put_unaligned_be64(lport->wwpn, &entry->value);
/* Port symbolic name */ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + FC_FDMI_PORT_ATTR_PORTNAME_LEN); len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; len += FC_FDMI_PORT_ATTR_SYMBOLICNAME_LEN; put_unaligned_be16(FC_FDMI_PORT_ATTR_SYMBOLICNAME, &entry->type); put_unaligned_be16(len, &entry->len); fc_ct_ms_fill_attr(entry, fc_host_symbolic_name(lport->host), FC_FDMI_PORT_ATTR_SYMBOLICNAME_LEN);
/* Port type */ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + FC_FDMI_PORT_ATTR_SYMBOLICNAME_LEN); len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; len += FC_FDMI_PORT_ATTR_PORTTYPE_LEN; put_unaligned_be16(FC_FDMI_PORT_ATTR_PORTTYPE, &entry->type); put_unaligned_be16(len, &entry->len); put_unaligned_be32(fc_host_port_type(lport->host), &entry->value);
/* Supported class of service */ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + FC_FDMI_PORT_ATTR_PORTTYPE_LEN); len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; len += FC_FDMI_PORT_ATTR_SUPPORTEDCLASSSRVC_LEN; put_unaligned_be16(FC_FDMI_PORT_ATTR_SUPPORTEDCLASSSRVC, &entry->type); put_unaligned_be16(len, &entry->len); put_unaligned_be32(fc_host_supported_classes(lport->host), &entry->value);
/* Port Fabric name */ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + FC_FDMI_PORT_ATTR_SUPPORTEDCLASSSRVC_LEN); len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; len += FC_FDMI_PORT_ATTR_FABRICNAME_LEN; put_unaligned_be16(FC_FDMI_PORT_ATTR_FABRICNAME, &entry->type); put_unaligned_be16(len, &entry->len); put_unaligned_be64(fc_host_fabric_name(lport->host), &entry->value);
/* Port active FC-4 */ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + FC_FDMI_PORT_ATTR_FABRICNAME_LEN); len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; len += FC_FDMI_PORT_ATTR_CURRENTFC4TYPE_LEN; put_unaligned_be16(FC_FDMI_PORT_ATTR_CURRENTFC4TYPE, &entry->type); put_unaligned_be16(len, &entry->len); memcpy(&entry->value, fc_host_active_fc4s(lport->host), FC_FDMI_PORT_ATTR_CURRENTFC4TYPE_LEN);
/* Port state */ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + FC_FDMI_PORT_ATTR_CURRENTFC4TYPE_LEN); len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; len += FC_FDMI_PORT_ATTR_PORTSTATE_LEN; put_unaligned_be16(FC_FDMI_PORT_ATTR_PORTSTATE, &entry->type); put_unaligned_be16(len, &entry->len); put_unaligned_be32(fc_host_port_state(lport->host), &entry->value);
/* Discovered ports */ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + FC_FDMI_PORT_ATTR_PORTSTATE_LEN); len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; len += FC_FDMI_PORT_ATTR_DISCOVEREDPORTS_LEN; put_unaligned_be16(FC_FDMI_PORT_ATTR_DISCOVEREDPORTS, &entry->type); put_unaligned_be16(len, &entry->len); put_unaligned_be32(fc_host_num_discovered_ports(lport->host), &entry->value);
/* Port ID */ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + FC_FDMI_PORT_ATTR_DISCOVEREDPORTS_LEN); len = FC_FDMI_ATTR_ENTRY_HEADER_LEN; len += FC_FDMI_PORT_ATTR_PORTID_LEN; put_unaligned_be16(FC_FDMI_PORT_ATTR_PORTID, &entry->type); put_unaligned_be16(len, &entry->len); put_unaligned_be32(fc_host_port_id(lport->host), &entry->value); }
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_ */