buf += "};\n"
buf += "\n"
buf += "struct " + fabric_mod_name + "_lport {\n"
- buf += " /* SCSI protocol the lport is providing */\n"
- buf += " u8 lport_proto_id;\n"
buf += " /* Binary World Wide unique Port Name for FC Target Lport */\n"
buf += " u64 lport_wwpn;\n"
buf += " /* ASCII formatted WWPN for FC Target Lport */\n"
buf += " struct se_portal_group se_tpg;\n"
buf += "};\n\n"
buf += "struct " + fabric_mod_name + "_tport {\n"
- buf += " /* SCSI protocol the tport is providing */\n"
- buf += " u8 tport_proto_id;\n"
buf += " /* Binary World Wide unique Port Name for SAS Target port */\n"
buf += " u64 tport_wwpn;\n"
buf += " /* ASCII formatted WWPN for SAS Target port */\n"
buf += " struct se_portal_group se_tpg;\n"
buf += "};\n\n"
buf += "struct " + fabric_mod_name + "_tport {\n"
- buf += " /* SCSI protocol the tport is providing */\n"
- buf += " u8 tport_proto_id;\n"
buf += " /* ASCII formatted TargetName for IQN */\n"
buf += " char tport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"
buf += " /* Returned by " + fabric_mod_name + "_make_tport() */\n"
buf += " .get_fabric_name = " + fabric_mod_name + "_get_fabric_name,\n"
buf += " .tpg_get_wwn = " + fabric_mod_name + "_get_fabric_wwn,\n"
buf += " .tpg_get_tag = " + fabric_mod_name + "_get_tag,\n"
- buf += " .tpg_get_pr_transport_id = " + fabric_mod_name + "_get_pr_transport_id,\n"
- buf += " .tpg_get_pr_transport_id_len = " + fabric_mod_name + "_get_pr_transport_id_len,\n"
- buf += " .tpg_parse_pr_out_transport_id = " + fabric_mod_name + "_parse_pr_out_transport_id,\n"
buf += " .tpg_check_demo_mode = " + fabric_mod_name + "_check_false,\n"
buf += " .tpg_check_demo_mode_cache = " + fabric_mod_name + "_check_true,\n"
buf += " .tpg_check_demo_mode_write_protect = " + fabric_mod_name + "_check_true,\n"
buf += "}\n\n"
bufi += "u16 " + fabric_mod_name + "_get_tag(struct se_portal_group *);\n"
- if re.search('get_pr_transport_id\)\(', fo):
- buf += "u32 " + fabric_mod_name + "_get_pr_transport_id(\n"
- buf += " struct se_portal_group *se_tpg,\n"
- buf += " struct se_node_acl *se_nacl,\n"
- buf += " struct t10_pr_registration *pr_reg,\n"
- buf += " int *format_code,\n"
- buf += " unsigned char *buf)\n"
- buf += "{\n"
- buf += " struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
- buf += " struct " + fabric_mod_name + "_tpg, se_tpg);\n"
- buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n"
- buf += " int ret = 0;\n\n"
- buf += " switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n"
- if proto_ident == "FC":
- buf += " case SCSI_PROTOCOL_FCP:\n"
- buf += " default:\n"
- buf += " ret = fc_get_pr_transport_id(se_tpg, se_nacl, pr_reg,\n"
- buf += " format_code, buf);\n"
- buf += " break;\n"
- elif proto_ident == "SAS":
- buf += " case SCSI_PROTOCOL_SAS:\n"
- buf += " default:\n"
- buf += " ret = sas_get_pr_transport_id(se_tpg, se_nacl, pr_reg,\n"
- buf += " format_code, buf);\n"
- buf += " break;\n"
- elif proto_ident == "iSCSI":
- buf += " case SCSI_PROTOCOL_ISCSI:\n"
- buf += " default:\n"
- buf += " ret = iscsi_get_pr_transport_id(se_tpg, se_nacl, pr_reg,\n"
- buf += " format_code, buf);\n"
- buf += " break;\n"
-
- buf += " }\n\n"
- buf += " return ret;\n"
- buf += "}\n\n"
- bufi += "u32 " + fabric_mod_name + "_get_pr_transport_id(struct se_portal_group *,\n"
- bufi += " struct se_node_acl *, struct t10_pr_registration *,\n"
- bufi += " int *, unsigned char *);\n"
-
- if re.search('get_pr_transport_id_len\)\(', fo):
- buf += "u32 " + fabric_mod_name + "_get_pr_transport_id_len(\n"
- buf += " struct se_portal_group *se_tpg,\n"
- buf += " struct se_node_acl *se_nacl,\n"
- buf += " struct t10_pr_registration *pr_reg,\n"
- buf += " int *format_code)\n"
- buf += "{\n"
- buf += " struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
- buf += " struct " + fabric_mod_name + "_tpg, se_tpg);\n"
- buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n"
- buf += " int ret = 0;\n\n"
- buf += " switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n"
- if proto_ident == "FC":
- buf += " case SCSI_PROTOCOL_FCP:\n"
- buf += " default:\n"
- buf += " ret = fc_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,\n"
- buf += " format_code);\n"
- buf += " break;\n"
- elif proto_ident == "SAS":
- buf += " case SCSI_PROTOCOL_SAS:\n"
- buf += " default:\n"
- buf += " ret = sas_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,\n"
- buf += " format_code);\n"
- buf += " break;\n"
- elif proto_ident == "iSCSI":
- buf += " case SCSI_PROTOCOL_ISCSI:\n"
- buf += " default:\n"
- buf += " ret = iscsi_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,\n"
- buf += " format_code);\n"
- buf += " break;\n"
-
-
- buf += " }\n\n"
- buf += " return ret;\n"
- buf += "}\n\n"
- bufi += "u32 " + fabric_mod_name + "_get_pr_transport_id_len(struct se_portal_group *,\n"
- bufi += " struct se_node_acl *, struct t10_pr_registration *,\n"
- bufi += " int *);\n"
-
- if re.search('parse_pr_out_transport_id\)\(', fo):
- buf += "char *" + fabric_mod_name + "_parse_pr_out_transport_id(\n"
- buf += " struct se_portal_group *se_tpg,\n"
- buf += " const char *buf,\n"
- buf += " u32 *out_tid_len,\n"
- buf += " char **port_nexus_ptr)\n"
- buf += "{\n"
- buf += " struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
- buf += " struct " + fabric_mod_name + "_tpg, se_tpg);\n"
- buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n"
- buf += " char *tid = NULL;\n\n"
- buf += " switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n"
- if proto_ident == "FC":
- buf += " case SCSI_PROTOCOL_FCP:\n"
- buf += " default:\n"
- buf += " tid = fc_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,\n"
- buf += " port_nexus_ptr);\n"
- elif proto_ident == "SAS":
- buf += " case SCSI_PROTOCOL_SAS:\n"
- buf += " default:\n"
- buf += " tid = sas_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,\n"
- buf += " port_nexus_ptr);\n"
- elif proto_ident == "iSCSI":
- buf += " case SCSI_PROTOCOL_ISCSI:\n"
- buf += " default:\n"
- buf += " tid = iscsi_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,\n"
- buf += " port_nexus_ptr);\n"
-
- buf += " }\n\n"
- buf += " return tid;\n"
- buf += "}\n\n"
- bufi += "char *" + fabric_mod_name + "_parse_pr_out_transport_id(struct se_portal_group *,\n"
- bufi += " const char *, u32 *, char **);\n"
-
if re.search('tpg_get_inst_index\)\(', fo):
buf += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *se_tpg)\n"
buf += "{\n"
return 1;
}
-static u32 srpt_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 srpt_node_acl *nacl;
- struct spc_rdma_transport_id *tr_id;
-
- nacl = container_of(se_nacl, struct srpt_node_acl, nacl);
- tr_id = (void *)buf;
- tr_id->protocol_identifier = SCSI_TRANSPORTID_PROTOCOLID_SRP;
- memcpy(tr_id->i_port_id, nacl->i_port_id, sizeof(tr_id->i_port_id));
- return sizeof(*tr_id);
-}
-
-static u32 srpt_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)
-{
- *format_code = 0;
- return sizeof(struct spc_rdma_transport_id);
-}
-
-static char *srpt_parse_pr_out_transport_id(struct se_portal_group *se_tpg,
- const char *buf, u32 *out_tid_len,
- char **port_nexus_ptr)
-{
- struct spc_rdma_transport_id *tr_id;
-
- *port_nexus_ptr = NULL;
- *out_tid_len = sizeof(struct spc_rdma_transport_id);
- tr_id = (void *)buf;
- return (char *)tr_id->i_port_id;
-}
-
static u32 srpt_tpg_get_inst_index(struct se_portal_group *se_tpg)
{
return 1;
.get_fabric_name = srpt_get_fabric_name,
.tpg_get_wwn = srpt_get_fabric_wwn,
.tpg_get_tag = srpt_get_tag,
- .tpg_get_pr_transport_id = srpt_get_pr_transport_id,
- .tpg_get_pr_transport_id_len = srpt_get_pr_transport_id_len,
- .tpg_parse_pr_out_transport_id = srpt_parse_pr_out_transport_id,
.tpg_check_demo_mode = srpt_check_false,
.tpg_check_demo_mode_cache = srpt_check_true,
.tpg_check_demo_mode_write_protect = srpt_check_true,
struct list_head list;
};
-/*
- * SRP-releated SCSI persistent reservation definitions.
- *
- * See also SPC4r28, section 7.6.1 (Protocol specific parameters introduction).
- * See also SPC4r28, section 7.6.4.5 (TransportID for initiator ports using
- * SCSI over an RDMA interface).
- */
-
-enum {
- SCSI_TRANSPORTID_PROTOCOLID_SRP = 4,
-};
-
-struct spc_rdma_transport_id {
- uint8_t protocol_identifier;
- uint8_t reserved[7];
- uint8_t i_port_id[16];
-};
-
#endif /* IB_SRPT_H */
return tpg->lport_tpgt;
}
-static u32 tcm_qla2xxx_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 tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
- struct tcm_qla2xxx_tpg, se_tpg);
- struct tcm_qla2xxx_lport *lport = tpg->lport;
- int ret = 0;
-
- switch (lport->lport_proto_id) {
- case SCSI_PROTOCOL_FCP:
- default:
- ret = fc_get_pr_transport_id(se_tpg, se_nacl, pr_reg,
- format_code, buf);
- break;
- }
-
- return ret;
-}
-
-static u32 tcm_qla2xxx_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 tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
- struct tcm_qla2xxx_tpg, se_tpg);
- struct tcm_qla2xxx_lport *lport = tpg->lport;
- int ret = 0;
-
- switch (lport->lport_proto_id) {
- case SCSI_PROTOCOL_FCP:
- default:
- ret = fc_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,
- format_code);
- break;
- }
-
- return ret;
-}
-
-static char *tcm_qla2xxx_parse_pr_out_transport_id(
- struct se_portal_group *se_tpg,
- const char *buf,
- u32 *out_tid_len,
- char **port_nexus_ptr)
-{
- struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
- struct tcm_qla2xxx_tpg, se_tpg);
- struct tcm_qla2xxx_lport *lport = tpg->lport;
- char *tid = NULL;
-
- switch (lport->lport_proto_id) {
- case SCSI_PROTOCOL_FCP:
- default:
- tid = fc_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,
- port_nexus_ptr);
- break;
- }
-
- return tid;
-}
-
static int tcm_qla2xxx_check_demo_mode(struct se_portal_group *se_tpg)
{
struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
.get_fabric_name = tcm_qla2xxx_get_fabric_name,
.tpg_get_wwn = tcm_qla2xxx_get_fabric_wwn,
.tpg_get_tag = tcm_qla2xxx_get_tag,
- .tpg_get_pr_transport_id = tcm_qla2xxx_get_pr_transport_id,
- .tpg_get_pr_transport_id_len = tcm_qla2xxx_get_pr_transport_id_len,
- .tpg_parse_pr_out_transport_id = tcm_qla2xxx_parse_pr_out_transport_id,
.tpg_check_demo_mode = tcm_qla2xxx_check_demo_mode,
.tpg_check_demo_mode_cache = tcm_qla2xxx_check_demo_mode_cache,
.tpg_check_demo_mode_write_protect =
.get_fabric_name = tcm_qla2xxx_npiv_get_fabric_name,
.tpg_get_wwn = tcm_qla2xxx_get_fabric_wwn,
.tpg_get_tag = tcm_qla2xxx_get_tag,
- .tpg_get_pr_transport_id = tcm_qla2xxx_get_pr_transport_id,
- .tpg_get_pr_transport_id_len = tcm_qla2xxx_get_pr_transport_id_len,
- .tpg_parse_pr_out_transport_id = tcm_qla2xxx_parse_pr_out_transport_id,
.tpg_check_demo_mode = tcm_qla2xxx_check_demo_mode,
.tpg_check_demo_mode_cache = tcm_qla2xxx_check_demo_mode_cache,
.tpg_check_demo_mode_write_protect = tcm_qla2xxx_check_demo_mode,
};
struct tcm_qla2xxx_lport {
- /* SCSI protocol the lport is providing */
- u8 lport_proto_id;
/* Binary World Wide unique Port Name for FC Target Lport */
u64 lport_wwpn;
/* Binary World Wide unique Port Name for FC NPIV Target Lport */
.tpg_get_wwn = lio_tpg_get_endpoint_wwn,
.tpg_get_tag = lio_tpg_get_tag,
.tpg_get_default_depth = lio_tpg_get_default_depth,
- .tpg_get_pr_transport_id = iscsi_get_pr_transport_id,
- .tpg_get_pr_transport_id_len = iscsi_get_pr_transport_id_len,
- .tpg_parse_pr_out_transport_id = iscsi_parse_pr_out_transport_id,
.tpg_check_demo_mode = lio_tpg_check_demo_mode,
.tpg_check_demo_mode_cache = lio_tpg_check_demo_mode_cache,
.tpg_check_demo_mode_write_protect =
return tl_tpg(se_tpg)->tl_tpgt;
}
-static u32 tcm_loop_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 tcm_loop_hba *tl_hba = tl_tpg(se_tpg)->tl_hba;
-
- switch (tl_hba->tl_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 tl_proto_id: 0x%02x, using"
- " SAS emulation\n", tl_hba->tl_proto_id);
- break;
- }
-
- return sas_get_pr_transport_id(se_tpg, se_nacl, pr_reg,
- format_code, buf);
-}
-
-static u32 tcm_loop_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 tcm_loop_hba *tl_hba = tl_tpg(se_tpg)->tl_hba;
-
- switch (tl_hba->tl_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 tl_proto_id: 0x%02x, using"
- " SAS emulation\n", tl_hba->tl_proto_id);
- break;
- }
-
- return sas_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,
- format_code);
-}
-
-/*
- * Used for handling SCSI fabric dependent TransportIDs in SPC-3 and above
- * Persistent Reservation SPEC_I_PT=1 and PROUT REGISTER_AND_MOVE operations.
- */
-static char *tcm_loop_parse_pr_out_transport_id(
- struct se_portal_group *se_tpg,
- const char *buf,
- u32 *out_tid_len,
- char **port_nexus_ptr)
-{
- struct tcm_loop_hba *tl_hba = tl_tpg(se_tpg)->tl_hba;
-
- switch (tl_hba->tl_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 tl_proto_id: 0x%02x, using"
- " SAS emulation\n", tl_hba->tl_proto_id);
- break;
- }
-
- return sas_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,
- port_nexus_ptr);
-}
-
/*
* Returning (1) here allows for target_core_mod struct se_node_acl to be generated
* based upon the incoming fabric dependent SCSI Initiator Port
.get_fabric_name = tcm_loop_get_fabric_name,
.tpg_get_wwn = tcm_loop_get_endpoint_wwn,
.tpg_get_tag = tcm_loop_get_tag,
- .tpg_get_pr_transport_id = tcm_loop_get_pr_transport_id,
- .tpg_get_pr_transport_id_len = tcm_loop_get_pr_transport_id_len,
- .tpg_parse_pr_out_transport_id = tcm_loop_parse_pr_out_transport_id,
.tpg_check_demo_mode = tcm_loop_check_demo_mode,
.tpg_check_demo_mode_cache = tcm_loop_check_demo_mode_cache,
.tpg_check_demo_mode_write_protect =
return 1;
}
-static u32 sbp_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)
-{
- int ret;
-
- /*
- * Set PROTOCOL IDENTIFIER to 3h for SBP
- */
- buf[0] = SCSI_PROTOCOL_SBP;
- /*
- * From spc4r17, 7.5.4.4 TransportID for initiator ports using SCSI
- * over IEEE 1394
- */
- ret = hex2bin(&buf[8], se_nacl->initiatorname, 8);
- if (ret < 0)
- pr_debug("sbp transport_id: invalid hex string\n");
-
- /*
- * The IEEE 1394 Transport ID is a hardcoded 24-byte length
- */
- return 24;
-}
-
-static u32 sbp_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)
-{
- *format_code = 0;
- /*
- * From spc4r17, 7.5.4.4 TransportID for initiator ports using SCSI
- * over IEEE 1394
- *
- * The SBP Transport ID is a hardcoded 24-byte length
- */
- return 24;
-}
-
-/*
- * Used for handling SCSI fabric dependent TransportIDs in SPC-3 and above
- * Persistent Reservation SPEC_I_PT=1 and PROUT REGISTER_AND_MOVE operations.
- */
-static char *sbp_parse_pr_out_transport_id(
- struct se_portal_group *se_tpg,
- const char *buf,
- u32 *out_tid_len,
- char **port_nexus_ptr)
-{
- /*
- * Assume the FORMAT CODE 00b from spc4r17, 7.5.4.4 TransportID
- * for initiator ports using SCSI over SBP Serial SCSI Protocol
- *
- * The TransportID for a IEEE 1394 Initiator Port is of fixed size of
- * 24 bytes, and IEEE 1394 does not contain a I_T nexus identifier,
- * so we return the **port_nexus_ptr set to NULL.
- */
- *port_nexus_ptr = NULL;
- *out_tid_len = 24;
-
- return (char *)&buf[8];
-}
-
static int sbp_count_se_tpg_luns(struct se_portal_group *tpg)
{
int i, count = 0;
.get_fabric_name = sbp_get_fabric_name,
.tpg_get_wwn = sbp_get_fabric_wwn,
.tpg_get_tag = sbp_get_tag,
- .tpg_get_pr_transport_id = sbp_get_pr_transport_id,
- .tpg_get_pr_transport_id_len = sbp_get_pr_transport_id_len,
- .tpg_parse_pr_out_transport_id = sbp_parse_pr_out_transport_id,
.tpg_check_demo_mode = sbp_check_true,
.tpg_check_demo_mode_cache = sbp_check_true,
.tpg_check_demo_mode_write_protect = sbp_check_false,
pr_err("Missing tfo->tpg_get_tag()\n");
return -EINVAL;
}
- if (!tfo->tpg_get_pr_transport_id) {
- pr_err("Missing tfo->tpg_get_pr_transport_id()\n");
- return -EINVAL;
- }
- if (!tfo->tpg_get_pr_transport_id_len) {
- pr_err("Missing tfo->tpg_get_pr_transport_id_len()\n");
- return -EINVAL;
- }
if (!tfo->tpg_check_demo_mode) {
pr_err("Missing tfo->tpg_check_demo_mode()\n");
return -EINVAL;
*
******************************************************************************/
+/*
+ * See SPC4, section 7.5 "Protocol specific parameters" for details
+ * on the formats implemented in this file.
+ */
+
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/ctype.h>
#include "target_core_internal.h"
#include "target_core_pr.h"
-/*
- * Handlers for Serial Attached SCSI (SAS)
- */
-u32 sas_get_pr_transport_id(
- struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl,
- struct t10_pr_registration *pr_reg,
+
+static int sas_get_pr_transport_id(
+ struct se_node_acl *nacl,
int *format_code,
unsigned char *buf)
{
- unsigned char *ptr;
int ret;
- /*
- * Set PROTOCOL IDENTIFIER to 6h for SAS
- */
- buf[0] = 0x06;
- /*
- * From spc4r17, 7.5.4.7 TransportID for initiator ports using SCSI
- * over SAS Serial SCSI Protocol
- */
- ptr = &se_nacl->initiatorname[4]; /* Skip over 'naa. prefix */
-
- ret = hex2bin(&buf[4], ptr, 8);
- if (ret < 0)
- pr_debug("sas transport_id: invalid hex string\n");
-
- /*
- * The SAS Transport ID is a hardcoded 24-byte length
- */
- return 24;
-}
-EXPORT_SYMBOL(sas_get_pr_transport_id);
-
-u32 sas_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)
-{
- *format_code = 0;
- /*
- * From spc4r17, 7.5.4.7 TransportID for initiator ports using SCSI
- * over SAS Serial SCSI Protocol
- *
- * The SAS Transport ID is a hardcoded 24-byte length
- */
- return 24;
-}
-EXPORT_SYMBOL(sas_get_pr_transport_id_len);
-
-/*
- * Used for handling SCSI fabric dependent TransportIDs in SPC-3 and above
- * Persistent Reservation SPEC_I_PT=1 and PROUT REGISTER_AND_MOVE operations.
- */
-char *sas_parse_pr_out_transport_id(
- struct se_portal_group *se_tpg,
- const char *buf,
- u32 *out_tid_len,
- char **port_nexus_ptr)
-{
- /*
- * Assume the FORMAT CODE 00b from spc4r17, 7.5.4.7 TransportID
- * for initiator ports using SCSI over SAS Serial SCSI Protocol
- *
- * The TransportID for a SAS Initiator Port is of fixed size of
- * 24 bytes, and SAS does not contain a I_T nexus identifier,
- * so we return the **port_nexus_ptr set to NULL.
- */
- *port_nexus_ptr = NULL;
- *out_tid_len = 24;
-
- return (char *)&buf[4];
-}
-EXPORT_SYMBOL(sas_parse_pr_out_transport_id);
+ /* Skip over 'naa. prefix */
+ ret = hex2bin(&buf[4], &nacl->initiatorname[4], 8);
+ if (ret) {
+ pr_debug("%s: invalid hex string\n", __func__);
+ return ret;
+ }
-/*
- * Handlers for Fibre Channel Protocol (FCP)
- */
-u32 fc_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)
-{
- *format_code = 0;
- /*
- * The FC Transport ID is a hardcoded 24-byte length
- */
return 24;
}
-EXPORT_SYMBOL(fc_get_pr_transport_id_len);
-u32 fc_get_pr_transport_id(
- struct se_portal_group *se_tpg,
+static int fc_get_pr_transport_id(
struct se_node_acl *se_nacl,
- struct t10_pr_registration *pr_reg,
int *format_code,
unsigned char *buf)
{
u32 off = 8;
/*
- * PROTOCOL IDENTIFIER is 0h for FCP-2
- *
- * From spc4r17, 7.5.4.2 TransportID for initiator ports using
- * SCSI over Fibre Channel
- *
* We convert the ASCII formatted N Port name into a binary
* encoded TransportID.
*/
ptr = &se_nacl->initiatorname[0];
-
for (i = 0; i < 24; ) {
if (!strncmp(&ptr[i], ":", 1)) {
i++;
continue;
}
ret = hex2bin(&buf[off++], &ptr[i], 1);
- if (ret < 0)
- pr_debug("fc transport_id: invalid hex string\n");
+ if (ret < 0) {
+ pr_debug("%s: invalid hex string\n", __func__);
+ return ret;
+ }
i += 2;
}
/*
*/
return 24;
}
-EXPORT_SYMBOL(fc_get_pr_transport_id);
-char *fc_parse_pr_out_transport_id(
- struct se_portal_group *se_tpg,
- const char *buf,
- u32 *out_tid_len,
- char **port_nexus_ptr)
+static int sbp_get_pr_transport_id(
+ struct se_node_acl *nacl,
+ int *format_code,
+ unsigned char *buf)
{
- /*
- * The TransportID for a FC N Port is of fixed size of
- * 24 bytes, and FC does not contain a I_T nexus identifier,
- * so we return the **port_nexus_ptr set to NULL.
- */
- *port_nexus_ptr = NULL;
- *out_tid_len = 24;
+ int ret;
+
+ ret = hex2bin(&buf[8], nacl->initiatorname, 8);
+ if (ret) {
+ pr_debug("%s: invalid hex string\n", __func__);
+ return ret;
+ }
- return (char *)&buf[8];
+ return 24;
}
-EXPORT_SYMBOL(fc_parse_pr_out_transport_id);
-/*
- * Handlers for Internet Small Computer Systems Interface (iSCSI)
- */
-u32 iscsi_get_pr_transport_id(
- struct se_portal_group *se_tpg,
+static int srp_get_pr_transport_id(
+ struct se_node_acl *nacl,
+ int *format_code,
+ unsigned char *buf)
+{
+ const char *p;
+ unsigned len, count, leading_zero_bytes;
+ int rc;
+
+ p = nacl->initiatorname;
+ if (strncasecmp(p, "0x", 2) == 0)
+ p += 2;
+ len = strlen(p);
+ if (len % 2)
+ return -EINVAL;
+
+ count = min(len / 2, 16U);
+ leading_zero_bytes = 16 - count;
+ memset(buf + 8, 0, leading_zero_bytes);
+ rc = hex2bin(buf + 8 + leading_zero_bytes, p, count);
+ if (rc < 0) {
+ pr_debug("hex2bin failed for %s: %d\n", __func__, rc);
+ return rc;
+ }
+
+ return 24;
+}
+
+static int iscsi_get_pr_transport_id(
struct se_node_acl *se_nacl,
struct t10_pr_registration *pr_reg,
int *format_code,
u16 len = 0;
spin_lock_irq(&se_nacl->nacl_sess_lock);
- /*
- * Set PROTOCOL IDENTIFIER to 5h for iSCSI
- */
- buf[0] = 0x05;
/*
* From spc4r17 Section 7.5.4.6: TransportID for initiator
* ports using SCSI over iSCSI.
return len;
}
-EXPORT_SYMBOL(iscsi_get_pr_transport_id);
-u32 iscsi_get_pr_transport_id_len(
- struct se_portal_group *se_tpg,
+static int iscsi_get_pr_transport_id_len(
struct se_node_acl *se_nacl,
struct t10_pr_registration *pr_reg,
int *format_code)
return len;
}
-EXPORT_SYMBOL(iscsi_get_pr_transport_id_len);
-char *iscsi_parse_pr_out_transport_id(
+static char *iscsi_parse_pr_out_transport_id(
struct se_portal_group *se_tpg,
const char *buf,
u32 *out_tid_len,
return (char *)&buf[4];
}
-EXPORT_SYMBOL(iscsi_parse_pr_out_transport_id);
+
+int target_get_pr_transport_id_len(struct se_node_acl *nacl,
+ struct t10_pr_registration *pr_reg, int *format_code)
+{
+ switch (nacl->se_tpg->proto_id) {
+ case SCSI_PROTOCOL_FCP:
+ case SCSI_PROTOCOL_SBP:
+ case SCSI_PROTOCOL_SRP:
+ case SCSI_PROTOCOL_SAS:
+ break;
+ case SCSI_PROTOCOL_ISCSI:
+ return iscsi_get_pr_transport_id_len(nacl, pr_reg, format_code);
+ default:
+ pr_err("Unknown proto_id: 0x%02x\n", nacl->se_tpg->proto_id);
+ return -EINVAL;
+ }
+
+ /*
+ * Most transports use a fixed length 24 byte identifier.
+ */
+ *format_code = 0;
+ return 24;
+}
+
+int target_get_pr_transport_id(struct se_node_acl *nacl,
+ struct t10_pr_registration *pr_reg, int *format_code,
+ unsigned char *buf)
+{
+ switch (nacl->se_tpg->proto_id) {
+ case SCSI_PROTOCOL_SAS:
+ return sas_get_pr_transport_id(nacl, format_code, buf);
+ case SCSI_PROTOCOL_SBP:
+ return sbp_get_pr_transport_id(nacl, format_code, buf);
+ case SCSI_PROTOCOL_SRP:
+ return srp_get_pr_transport_id(nacl, format_code, buf);
+ case SCSI_PROTOCOL_FCP:
+ return fc_get_pr_transport_id(nacl, format_code, buf);
+ case SCSI_PROTOCOL_ISCSI:
+ return iscsi_get_pr_transport_id(nacl, pr_reg, format_code,
+ buf);
+ default:
+ pr_err("Unknown proto_id: 0x%02x\n", nacl->se_tpg->proto_id);
+ return -EINVAL;
+ }
+}
+
+const char *target_parse_pr_out_transport_id(struct se_portal_group *tpg,
+ const char *buf, u32 *out_tid_len, char **port_nexus_ptr)
+{
+ u32 offset;
+
+ switch (tpg->proto_id) {
+ case SCSI_PROTOCOL_SAS:
+ /*
+ * Assume the FORMAT CODE 00b from spc4r17, 7.5.4.7 TransportID
+ * for initiator ports using SCSI over SAS Serial SCSI Protocol.
+ */
+ offset = 4;
+ break;
+ case SCSI_PROTOCOL_SBP:
+ case SCSI_PROTOCOL_SRP:
+ case SCSI_PROTOCOL_FCP:
+ offset = 8;
+ break;
+ case SCSI_PROTOCOL_ISCSI:
+ return iscsi_parse_pr_out_transport_id(tpg, buf, out_tid_len,
+ port_nexus_ptr);
+ default:
+ pr_err("Unknown proto_id: 0x%02x\n", tpg->proto_id);
+ return NULL;
+ }
+
+ *port_nexus_ptr = NULL;
+ *out_tid_len = 24;
+ return buf + offset;
+}
int target_configure_device(struct se_device *dev);
void target_free_device(struct se_device *);
+/* target_core_fabric_lib.c */
+int target_get_pr_transport_id_len(struct se_node_acl *nacl,
+ struct t10_pr_registration *pr_reg, int *format_code);
+int target_get_pr_transport_id(struct se_node_acl *nacl,
+ struct t10_pr_registration *pr_reg, int *format_code,
+ unsigned char *buf);
+const char *target_parse_pr_out_transport_id(struct se_portal_group *tpg,
+ const char *buf, u32 *out_tid_len, char **port_nexus_ptr);
+
/* target_core_hba.c */
struct se_hba *core_alloc_hba(const char *, u32, u32);
int core_delete_hba(struct se_hba *);
struct t10_pr_registration *pr_reg_tmp, *pr_reg_tmp_safe;
LIST_HEAD(tid_dest_list);
struct pr_transport_id_holder *tidh_new, *tidh, *tidh_tmp;
- const struct target_core_fabric_ops *tmp_tf_ops;
- unsigned char *buf;
- unsigned char *ptr, *i_str = NULL, proto_ident;
+ unsigned char *buf, *ptr, proto_ident;
+ const unsigned char *i_str;
char *iport_ptr = NULL, i_buf[PR_REG_ISID_ID_LEN];
sense_reason_t ret;
u32 tpdl, tid_len = 0;
tmp_tpg = tmp_port->sep_tpg;
if (!tmp_tpg)
continue;
- tmp_tf_ops = tmp_tpg->se_tpg_tfo;
- if (!tmp_tf_ops)
- continue;
- if (!tmp_tf_ops->tpg_parse_pr_out_transport_id)
- continue;
+
/*
* Look for the matching proto_ident provided by
* the received TransportID
continue;
dest_rtpi = tmp_port->sep_rtpi;
- i_str = tmp_tf_ops->tpg_parse_pr_out_transport_id(
- tmp_tpg, (const char *)ptr, &tid_len,
- &iport_ptr);
+ i_str = target_parse_pr_out_transport_id(tmp_tpg,
+ (const char *)ptr, &tid_len, &iport_ptr);
if (!i_str)
continue;
struct t10_pr_registration *pr_reg, *pr_res_holder, *dest_pr_reg;
struct t10_reservation *pr_tmpl = &dev->t10_pr;
unsigned char *buf;
- unsigned char *initiator_str;
+ const unsigned char *initiator_str;
char *iport_ptr = NULL, i_buf[PR_REG_ISID_ID_LEN];
u32 tid_len, tmp_tid_len;
int new_reg = 0, type, scope, matching_iname;
ret = TCM_INVALID_PARAMETER_LIST;
goto out;
}
- if (dest_tf_ops->tpg_parse_pr_out_transport_id == NULL) {
- pr_err("SPC-3 PR REGISTER_AND_MOVE: Fabric does not"
- " containg a valid tpg_parse_pr_out_transport_id"
- " function pointer\n");
- ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
- goto out;
- }
- initiator_str = dest_tf_ops->tpg_parse_pr_out_transport_id(dest_se_tpg,
+ initiator_str = target_parse_pr_out_transport_id(dest_se_tpg,
(const char *)&buf[24], &tmp_tid_len, &iport_ptr);
if (!initiator_str) {
pr_err("SPC-3 PR REGISTER_AND_MOVE: Unable to locate"
struct t10_pr_registration *pr_reg, *pr_reg_tmp;
struct t10_reservation *pr_tmpl = &dev->t10_pr;
unsigned char *buf;
- u32 add_desc_len = 0, add_len = 0, desc_len, exp_desc_len;
+ u32 add_desc_len = 0, add_len = 0;
u32 off = 8; /* off into first Full Status descriptor */
int format_code = 0, pr_res_type = 0, pr_res_scope = 0;
+ int exp_desc_len, desc_len;
bool all_reg = false;
if (cmd->data_length < 8) {
* Determine expected length of $FABRIC_MOD specific
* TransportID full status descriptor..
*/
- exp_desc_len = se_tpg->se_tpg_tfo->tpg_get_pr_transport_id_len(
- se_tpg, se_nacl, pr_reg, &format_code);
-
- if ((exp_desc_len + add_len) > cmd->data_length) {
+ exp_desc_len = target_get_pr_transport_id_len(se_nacl, pr_reg,
+ &format_code);
+ if (exp_desc_len < 0 ||
+ exp_desc_len + add_len > cmd->data_length) {
pr_warn("SPC-3 PRIN READ_FULL_STATUS ran"
" out of buffer: %d\n", cmd->data_length);
spin_lock(&pr_tmpl->registration_lock);
} else
off += 2; /* Skip over RELATIVE TARGET PORT IDENTIFIER */
+ buf[off+4] = se_tpg->proto_id;
+
/*
- * Now, have the $FABRIC_MOD fill in the protocol identifier
+ * Now, have the $FABRIC_MOD fill in the transport ID.
*/
- desc_len = se_tpg->se_tpg_tfo->tpg_get_pr_transport_id(se_tpg,
- se_nacl, pr_reg, &format_code, &buf[off+4]);
+ desc_len = target_get_pr_transport_id(se_nacl, pr_reg,
+ &format_code, &buf[off+4]);
spin_lock(&pr_tmpl->registration_lock);
atomic_dec_mb(&pr_reg->pr_res_holders);
+
+ if (desc_len < 0)
+ break;
/*
* Set the ADDITIONAL DESCRIPTOR LENGTH
*/
.get_fabric_name = ft_get_fabric_name,
.tpg_get_wwn = ft_get_fabric_wwn,
.tpg_get_tag = ft_get_tag,
- .tpg_get_pr_transport_id = fc_get_pr_transport_id,
- .tpg_get_pr_transport_id_len = fc_get_pr_transport_id_len,
- .tpg_parse_pr_out_transport_id = fc_parse_pr_out_transport_id,
.tpg_check_demo_mode = ft_check_false,
.tpg_check_demo_mode_cache = ft_check_false,
.tpg_check_demo_mode_write_protect = ft_check_false,
return tpg->tport_tpgt;
}
-static u32 usbg_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 usbg_tpg *tpg = container_of(se_tpg,
- struct usbg_tpg, se_tpg);
- struct usbg_tport *tport = tpg->tport;
- int ret = 0;
-
- switch (tport->tport_proto_id) {
- case SCSI_PROTOCOL_SAS:
- default:
- ret = sas_get_pr_transport_id(se_tpg, se_nacl, pr_reg,
- format_code, buf);
- break;
- }
-
- return ret;
-}
-
-static u32 usbg_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 usbg_tpg *tpg = container_of(se_tpg,
- struct usbg_tpg, se_tpg);
- struct usbg_tport *tport = tpg->tport;
- int ret = 0;
-
- switch (tport->tport_proto_id) {
- case SCSI_PROTOCOL_SAS:
- default:
- ret = sas_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,
- format_code);
- break;
- }
-
- return ret;
-}
-
-static char *usbg_parse_pr_out_transport_id(
- struct se_portal_group *se_tpg,
- const char *buf,
- u32 *out_tid_len,
- char **port_nexus_ptr)
-{
- struct usbg_tpg *tpg = container_of(se_tpg,
- struct usbg_tpg, se_tpg);
- struct usbg_tport *tport = tpg->tport;
- char *tid = NULL;
-
- switch (tport->tport_proto_id) {
- case SCSI_PROTOCOL_SAS:
- default:
- tid = sas_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,
- port_nexus_ptr);
- }
-
- return tid;
-}
-
static u32 usbg_tpg_get_inst_index(struct se_portal_group *se_tpg)
{
return 1;
tpg->tport = tport;
tpg->tport_tpgt = tpgt;
+ /*
+ * SPC doesn't assign a protocol identifier for USB-SCSI, so we
+ * pretend to be SAS..
+ */
ret = core_tpg_register(&usbg_ops, wwn, &tpg->se_tpg,
- tport->tport_proto_id);
+ SCSI_PROTOCOL_SAS);
if (ret < 0) {
destroy_workqueue(tpg->workqueue);
kfree(tpg);
.get_fabric_name = usbg_get_fabric_name,
.tpg_get_wwn = usbg_get_fabric_wwn,
.tpg_get_tag = usbg_get_tag,
- .tpg_get_pr_transport_id = usbg_get_pr_transport_id,
- .tpg_get_pr_transport_id_len = usbg_get_pr_transport_id_len,
- .tpg_parse_pr_out_transport_id = usbg_parse_pr_out_transport_id,
.tpg_check_demo_mode = usbg_check_true,
.tpg_check_demo_mode_cache = usbg_check_false,
.tpg_check_demo_mode_write_protect = usbg_check_false,
};
struct usbg_tport {
- /* SCSI protocol the tport is providing */
- u8 tport_proto_id;
/* Binary World Wide unique Port Name for SAS Target port */
u64 tport_wwpn;
/* ASCII formatted WWPN for SAS Target port */
return tpg->tport_tpgt;
}
-static u32
-vhost_scsi_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 vhost_scsi_tpg *tpg = container_of(se_tpg,
- struct vhost_scsi_tpg, se_tpg);
- struct vhost_scsi_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
-vhost_scsi_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 vhost_scsi_tpg *tpg = container_of(se_tpg,
- struct vhost_scsi_tpg, se_tpg);
- struct vhost_scsi_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 *
-vhost_scsi_parse_pr_out_transport_id(struct se_portal_group *se_tpg,
- const char *buf,
- u32 *out_tid_len,
- char **port_nexus_ptr)
-{
- struct vhost_scsi_tpg *tpg = container_of(se_tpg,
- struct vhost_scsi_tpg, se_tpg);
- struct vhost_scsi_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 int vhost_scsi_check_prot_fabric_only(struct se_portal_group *se_tpg)
{
struct vhost_scsi_tpg *tpg = container_of(se_tpg,
.get_fabric_name = vhost_scsi_get_fabric_name,
.tpg_get_wwn = vhost_scsi_get_fabric_wwn,
.tpg_get_tag = vhost_scsi_get_tpgt,
- .tpg_get_pr_transport_id = vhost_scsi_get_pr_transport_id,
- .tpg_get_pr_transport_id_len = vhost_scsi_get_pr_transport_id_len,
- .tpg_parse_pr_out_transport_id = vhost_scsi_parse_pr_out_transport_id,
.tpg_check_demo_mode = vhost_scsi_check_true,
.tpg_check_demo_mode_cache = vhost_scsi_check_true,
.tpg_check_demo_mode_write_protect = vhost_scsi_check_false,
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,
.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,
char *(*tpg_get_wwn)(struct se_portal_group *);
u16 (*tpg_get_tag)(struct se_portal_group *);
u32 (*tpg_get_default_depth)(struct se_portal_group *);
- u32 (*tpg_get_pr_transport_id)(struct se_portal_group *,
- struct se_node_acl *,
- struct t10_pr_registration *, int *,
- unsigned char *);
- u32 (*tpg_get_pr_transport_id_len)(struct se_portal_group *,
- struct se_node_acl *,
- struct t10_pr_registration *, int *);
- char *(*tpg_parse_pr_out_transport_id)(struct se_portal_group *,
- const char *, u32 *, char **);
int (*tpg_check_demo_mode)(struct se_portal_group *);
int (*tpg_check_demo_mode_cache)(struct se_portal_group *);
int (*tpg_check_demo_mode_write_protect)(struct se_portal_group *);
struct se_wwn *, struct se_portal_group *, int);
int core_tpg_deregister(struct se_portal_group *);
-/* SAS helpers */
-u32 sas_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *,
- struct t10_pr_registration *, int *, unsigned char *);
-u32 sas_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *,
- struct t10_pr_registration *, int *);
-char *sas_parse_pr_out_transport_id(struct se_portal_group *, const char *,
- u32 *, char **);
-
-/* FC helpers */
-u32 fc_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *,
- struct t10_pr_registration *, int *, unsigned char *);
-u32 fc_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *,
- struct t10_pr_registration *, int *);
-char *fc_parse_pr_out_transport_id(struct se_portal_group *, const char *,
- u32 *, char **);
-
-/* iSCSI helpers */
-u32 iscsi_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *,
- struct t10_pr_registration *, int *, unsigned char *);
-u32 iscsi_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *,
- struct t10_pr_registration *, int *);
-char *iscsi_parse_pr_out_transport_id(struct se_portal_group *, const char *,
- u32 *, char **);
-
/*
* The LIO target core uses DMA_TO_DEVICE to mean that data is going
* to the target (eg handling a WRITE) and DMA_FROM_DEVICE to mean
projects / karo-tx-linux.git / commitdiff