forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
707 lines
20 KiB
707 lines
20 KiB
/* 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> |
|
#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), 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 void fc_ct_ms_fill_attr(struct fc_fdmi_attr_entry *entry, |
|
const char *in, size_t len) |
|
{ |
|
int copied = strscpy(entry->value, in, len); |
|
if (copied > 0) |
|
memset(entry->value, copied, len - copied); |
|
} |
|
|
|
/** |
|
* 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); |
|
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, |
|
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); |
|
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, |
|
"%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 */ |
|
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); |
|
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_ */
|
|
|