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authorChristoph Hellwig <hch@lst.de>2015-05-01 17:47:58 +0200
committerNicholas Bellinger <nab@linux-iscsi.org>2015-05-30 22:42:30 -0700
commit2650d71e244fb3637b5f58a0080682a8bf9c7091 (patch)
tree8fe28878d010df59f9b13b69b1e994270054218f /drivers/target/loopback
parent2aeeafae6bb9f04dbe17b521bcd8f0d03516c393 (diff)
downloadlinux-2650d71e244fb3637b5f58a0080682a8bf9c7091.tar.bz2
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>
Diffstat (limited to 'drivers/target/loopback')
-rw-r--r--drivers/target/loopback/tcm_loop.c92
1 files changed, 0 insertions, 92 deletions
diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c
index 0eed0209a7f4..b788406977f6 100644
--- a/drivers/target/loopback/tcm_loop.c
+++ b/drivers/target/loopback/tcm_loop.c
@@ -542,95 +542,6 @@ static u16 tcm_loop_get_tag(struct se_portal_group *se_tpg)
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
@@ -1332,9 +1243,6 @@ static const struct target_core_fabric_ops loop_ops = {
.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 =