target: move transport ID handling to the core

Now that struct se_portal_group contains a protocol identifier field we can
take all the code to format an parse protocol identifiers in CDBs into common
code instead of leaving this to low-level drivers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

1 files changed, 0 insertions, 94 deletions

diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c
index 8bf9448bd7fd..10c71a5616fa 100644
--- a/drivers/xen/xen-scsiback.c
+++ b/drivers/xen/xen-scsiback.c
@@ -1270,97 +1270,6 @@ static u16 scsiback_get_tag(struct se_portal_group *se_tpg)
 	return tpg->tport_tpgt;
 }
 
-static u32
-scsiback_get_pr_transport_id(struct se_portal_group *se_tpg,
-			      struct se_node_acl *se_nacl,
-			      struct t10_pr_registration *pr_reg,
-			      int *format_code,
-			      unsigned char *buf)
-{
-	struct scsiback_tpg *tpg = container_of(se_tpg,
-				struct scsiback_tpg, se_tpg);
-	struct scsiback_tport *tport = tpg->tport;
-
-	switch (tport->tport_proto_id) {
-	case SCSI_PROTOCOL_SAS:
-		return sas_get_pr_transport_id(se_tpg, se_nacl, pr_reg,
-					format_code, buf);
-	case SCSI_PROTOCOL_FCP:
-		return fc_get_pr_transport_id(se_tpg, se_nacl, pr_reg,
-					format_code, buf);
-	case SCSI_PROTOCOL_ISCSI:
-		return iscsi_get_pr_transport_id(se_tpg, se_nacl, pr_reg,
-					format_code, buf);
-	default:
-		pr_err("Unknown tport_proto_id: 0x%02x, using SAS emulation\n",
-			tport->tport_proto_id);
-		break;
-	}
-
-	return sas_get_pr_transport_id(se_tpg, se_nacl, pr_reg,
-			format_code, buf);
-}
-
-static u32
-scsiback_get_pr_transport_id_len(struct se_portal_group *se_tpg,
-				  struct se_node_acl *se_nacl,
-				  struct t10_pr_registration *pr_reg,
-				  int *format_code)
-{
-	struct scsiback_tpg *tpg = container_of(se_tpg,
-				struct scsiback_tpg, se_tpg);
-	struct scsiback_tport *tport = tpg->tport;
-
-	switch (tport->tport_proto_id) {
-	case SCSI_PROTOCOL_SAS:
-		return sas_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,
-					format_code);
-	case SCSI_PROTOCOL_FCP:
-		return fc_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,
-					format_code);
-	case SCSI_PROTOCOL_ISCSI:
-		return iscsi_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,
-					format_code);
-	default:
-		pr_err("Unknown tport_proto_id: 0x%02x, using SAS emulation\n",
-			tport->tport_proto_id);
-		break;
-	}
-
-	return sas_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,
-			format_code);
-}
-
-static char *
-scsiback_parse_pr_out_transport_id(struct se_portal_group *se_tpg,
-				    const char *buf,
-				    u32 *out_tid_len,
-				    char **port_nexus_ptr)
-{
-	struct scsiback_tpg *tpg = container_of(se_tpg,
-				struct scsiback_tpg, se_tpg);
-	struct scsiback_tport *tport = tpg->tport;
-
-	switch (tport->tport_proto_id) {
-	case SCSI_PROTOCOL_SAS:
-		return sas_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,
-					port_nexus_ptr);
-	case SCSI_PROTOCOL_FCP:
-		return fc_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,
-					port_nexus_ptr);
-	case SCSI_PROTOCOL_ISCSI:
-		return iscsi_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,
-					port_nexus_ptr);
-	default:
-		pr_err("Unknown tport_proto_id: 0x%02x, using SAS emulation\n",
-			tport->tport_proto_id);
-		break;
-	}
-
-	return sas_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,
-			port_nexus_ptr);
-}
-
 static struct se_wwn *
 scsiback_make_tport(struct target_fabric_configfs *tf,
 		     struct config_group *group,
@@ -1909,9 +1818,6 @@ static const struct target_core_fabric_ops scsiback_ops = {
 	.get_fabric_name		= scsiback_get_fabric_name,
 	.tpg_get_wwn			= scsiback_get_fabric_wwn,
 	.tpg_get_tag			= scsiback_get_tag,
-	.tpg_get_pr_transport_id	= scsiback_get_pr_transport_id,
-	.tpg_get_pr_transport_id_len	= scsiback_get_pr_transport_id_len,
-	.tpg_parse_pr_out_transport_id	= scsiback_parse_pr_out_transport_id,
 	.tpg_check_demo_mode		= scsiback_check_true,
 	.tpg_check_demo_mode_cache	= scsiback_check_true,
 	.tpg_check_demo_mode_write_protect = scsiback_check_false,