GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-07-23 07:12:09 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

target: move transport ID handling to the core

Browse source 
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>
This commit is contained in:
Christoph Hellwig 2015-05-01 17:47:58 +02:00 • committed by Nicholas Bellinger
parent 2aeeafae6b
commit 2650d71e24
18 changed files with 173 additions and 875 deletions
Download patch file Download diff file Expand all files Collapse all files

92
drivers/target/loopback/tcm_loop.c
View file

@ -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 =