summaryrefslogtreecommitdiffstats
path: root/include/scsi/fc_encode.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/scsi/fc_encode.h')
-rw-r--r--include/scsi/fc_encode.h128
1 files changed, 105 insertions, 23 deletions
diff --git a/include/scsi/fc_encode.h b/include/scsi/fc_encode.h
index a0ff61c3e93..8eb0a0fc0a7 100644
--- a/include/scsi/fc_encode.h
+++ b/include/scsi/fc_encode.h
@@ -32,6 +32,10 @@ struct fc_ct_req {
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;
} payload;
};
@@ -57,6 +61,23 @@ static inline void fc_fill_fc_hdr(struct fc_frame *fp, enum fc_rctl r_ctl,
}
/**
+ * 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, fc_host_port_id(lport->host));
+}
+
+/**
* fc_ct_hdr_fill- fills ct header and reset ct payload
* returns pointer to ct request.
*/
@@ -77,13 +98,21 @@ static inline struct fc_ct_req *fc_ct_hdr_fill(const struct fc_frame *fp,
}
/**
- * fc_ct_fill - Fill in a name service request frame
+ * fc_ct_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_fill(struct fc_lport *lport, struct fc_frame *fp,
- unsigned int op, enum fc_rctl *r_ctl, u32 *did,
+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)
{
struct fc_ct_req *ct;
+ size_t len;
switch (op) {
case FC_NS_GPN_FT:
@@ -91,6 +120,11 @@ static inline int fc_ct_fill(struct fc_lport *lport, struct fc_frame *fp,
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));
+ 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));
hton24(ct->payload.rft.fid.fp_fid,
@@ -98,19 +132,47 @@ static inline int fc_ct_fill(struct fc_lport *lport, struct fc_frame *fp,
ct->payload.rft.fts = lport->fcts;
break;
- case FC_NS_RPN_ID:
+ case FC_NS_RFF_ID:
+ ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rff_id));
+ hton24(ct->payload.rff.fr_fid.fp_fid,
+ fc_host_port_id(lport->host));
+ 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));
hton24(ct->payload.rn.fr_fid.fp_fid,
fc_host_port_id(lport->host));
- ct->payload.rft.fts = lport->fcts;
- put_unaligned_be64(lport->wwpn, &ct->payload.rn.fr_wwn);
+ 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);
+ hton24(ct->payload.spn.fr_fid.fp_fid,
+ fc_host_port_id(lport->host));
+ 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);
+ 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;
- *did = FC_FID_DIR_SERV;
*fh_type = FC_TYPE_CT;
return 0;
}
@@ -169,6 +231,31 @@ static inline void fc_flogi_fill(struct fc_lport *lport, struct fc_frame *fp)
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);
}
/**
@@ -249,51 +336,46 @@ static inline void fc_scr_fill(struct fc_lport *lport, struct fc_frame *fp)
/**
* fc_els_fill - Fill in an ELS request frame
*/
-static inline int fc_els_fill(struct fc_lport *lport, struct fc_rport *rport,
+static inline int fc_els_fill(struct fc_lport *lport,
+ u32 did,
struct fc_frame *fp, unsigned int op,
- enum fc_rctl *r_ctl, u32 *did, enum fc_fh_type *fh_type)
+ 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);
- *did = rport->port_id;
break;
case ELS_FLOGI:
fc_flogi_fill(lport, fp);
- *did = FC_FID_FLOGI;
+ break;
+
+ case ELS_FDISC:
+ fc_fdisc_fill(lport, fp);
break;
case ELS_LOGO:
fc_logo_fill(lport, fp);
- *did = FC_FID_FLOGI;
- /*
- * if rport is valid then it
- * is port logo, therefore
- * set did to rport id.
- */
- if (rport)
- *did = rport->port_id;
break;
case ELS_RTV:
fc_rtv_fill(lport, fp);
- *did = rport->port_id;
break;
case ELS_REC:
fc_rec_fill(lport, fp);
- *did = rport->port_id;
break;
case ELS_PRLI:
fc_prli_fill(lport, fp);
- *did = rport->port_id;
break;
case ELS_SCR:
fc_scr_fill(lport, fp);
- *did = FC_FID_FCTRL;
break;
default:
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-02-14 07:10:46 +0000