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Diffstat (limited to 'include/scsi/fc_encode.h')
-rw-r--r--include/scsi/fc_encode.h363
1 files changed, 351 insertions, 12 deletions
diff --git a/include/scsi/fc_encode.h b/include/scsi/fc_encode.h
index be418d8448a5..35fd4744f3e9 100644
--- a/include/scsi/fc_encode.h
+++ b/include/scsi/fc_encode.h
@@ -20,6 +20,7 @@
#ifndef _FC_ENCODE_H_
#define _FC_ENCODE_H_
#include <asm/unaligned.h>
+#include <linux/utsname.h>
/*
* F_CTL values for simple requests and responses.
@@ -43,6 +44,10 @@ struct fc_ct_req {
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;
};
@@ -97,7 +102,9 @@ static inline void fc_adisc_fill(struct fc_lport *lport, struct fc_frame *fp)
* 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)
+ 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;
@@ -106,14 +113,14 @@ static inline struct fc_ct_req *fc_ct_hdr_fill(const struct fc_frame *fp,
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 = FC_FST_DIR;
- ct->hdr.ct_fs_subtype = FC_NS_SUBTYPE;
+ ct->hdr.ct_fs_type = fs_type;
+ ct->hdr.ct_fs_subtype = subtype;
ct->hdr.ct_cmd = htons((u16) op);
return ct;
}
/**
- * fc_ct_fill() - Fill in a name service request frame
+ * 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.
@@ -121,7 +128,7 @@ static inline struct fc_ct_req *fc_ct_hdr_fill(const struct fc_frame *fp,
* @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,
+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)
@@ -131,23 +138,28 @@ static inline int fc_ct_fill(struct fc_lport *lport,
switch (op) {
case FC_NS_GPN_FT:
- ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_gid_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));
+ 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));
+ 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));
+ 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)
@@ -157,14 +169,16 @@ static inline int fc_ct_fill(struct fc_lport *lport,
break;
case FC_NS_RNN_ID:
- ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rn_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);
+ 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);
@@ -173,7 +187,8 @@ static inline int fc_ct_fill(struct fc_lport *lport,
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);
+ 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);
@@ -189,6 +204,330 @@ static inline int fc_ct_fill(struct fc_lport *lport,
}
/**
+ * 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,
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-23 04:26:31 +0000