v4.19.13 snapshot.
diff --git a/include/scsi/fc_encode.h b/include/scsi/fc_encode.h
new file mode 100644
index 0000000..35fd474
--- /dev/null
+++ b/include/scsi/fc_encode.h
@@ -0,0 +1,739 @@
+/*
+ * Copyright(c) 2008 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * 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_ */