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target: header reshuffle, part2

Browse source 
This reorganized the headers under include/target into:

 - target_core_base.h stays as is with all target-wide data stuctures and defines
 - target_core_backend.h contains the whole interface to I/O backends
 - target_core_fabric.h contains the whole interface to fabric modules

Except for those only the various configfs macro headers stay around.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Christoph Hellwig 2011-11-16 09:46:48 -05:00 committed by Nicholas Bellinger
parent e26d99aed4
commit c4795fb20e
44 changed files with 288 additions and 462 deletions
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15
Documentation/target/tcm_mod_builder.py
View file

@ -230,14 +230,9 @@ def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name):
buf += "#include <linux/ctype.h>\n" buf += "#include <linux/ctype.h>\n"
buf += "#include <asm/unaligned.h>\n\n" buf += "#include <asm/unaligned.h>\n\n"
buf += "#include <target/target_core_base.h>\n" buf += "#include <target/target_core_base.h>\n"
buf += "#include <target/target_core_transport.h>\n" buf += "#include <target/target_core_fabric.h>\n"
buf += "#include <target/target_core_fabric_ops.h>\n"
buf += "#include <target/target_core_fabric_configfs.h>\n" buf += "#include <target/target_core_fabric_configfs.h>\n"
buf += "#include <target/target_core_fabric_lib.h>\n"
buf += "#include <target/target_core_device.h>\n"
buf += "#include <target/target_core_tpg.h>\n"
buf += "#include <target/target_core_configfs.h>\n" buf += "#include <target/target_core_configfs.h>\n"
buf += "#include <target/target_core_base.h>\n"
buf += "#include <target/configfs_macros.h>\n\n" buf += "#include <target/configfs_macros.h>\n\n"
buf += "#include \"" + fabric_mod_name + "_base.h\"\n" buf += "#include \"" + fabric_mod_name + "_base.h\"\n"
buf += "#include \"" + fabric_mod_name + "_fabric.h\"\n\n" buf += "#include \"" + fabric_mod_name + "_fabric.h\"\n\n"
@ -514,7 +509,7 @@ def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name):
def tcm_mod_scan_fabric_ops(tcm_dir): def tcm_mod_scan_fabric_ops(tcm_dir):
fabric_ops_api = tcm_dir + "include/target/target_core_fabric_ops.h" fabric_ops_api = tcm_dir + "include/target/target_core_fabric.h"
print "Using tcm_mod_scan_fabric_ops: " + fabric_ops_api print "Using tcm_mod_scan_fabric_ops: " + fabric_ops_api
process_fo = 0; process_fo = 0;
@ -579,11 +574,7 @@ def tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir_var, fabric_mod_name):
buf += "#include <scsi/scsi_cmnd.h>\n" buf += "#include <scsi/scsi_cmnd.h>\n"
buf += "#include <scsi/libfc.h>\n\n" buf += "#include <scsi/libfc.h>\n\n"
buf += "#include <target/target_core_base.h>\n" buf += "#include <target/target_core_base.h>\n"
buf += "#include <target/target_core_transport.h>\n" buf += "#include <target/target_core_fabric.h>\n"
buf += "#include <target/target_core_fabric_ops.h>\n"
buf += "#include <target/target_core_fabric_lib.h>\n"
buf += "#include <target/target_core_device.h>\n"
buf += "#include <target/target_core_tpg.h>\n"
buf += "#include <target/target_core_configfs.h>\n\n" buf += "#include <target/target_core_configfs.h>\n\n"
buf += "#include \"" + fabric_mod_name + "_base.h\"\n" buf += "#include \"" + fabric_mod_name + "_base.h\"\n"
buf += "#include \"" + fabric_mod_name + "_fabric.h\"\n\n" buf += "#include \"" + fabric_mod_name + "_fabric.h\"\n\n"

3
drivers/target/iscsi/iscsi_target.c
View file

@ -27,8 +27,7 @@
#include <scsi/scsi_device.h> #include <scsi/scsi_device.h>
#include <scsi/iscsi_proto.h> #include <scsi/iscsi_proto.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_tmr.h> #include <target/target_core_fabric.h>
#include <target/target_core_transport.h>
#include "iscsi_target_core.h" #include "iscsi_target_core.h"
#include "iscsi_target_parameters.h" #include "iscsi_target_parameters.h"

6
drivers/target/iscsi/iscsi_target_configfs.c
View file

@ -22,12 +22,8 @@
#include <linux/configfs.h> #include <linux/configfs.h>
#include <linux/export.h> #include <linux/export.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_transport.h> #include <target/target_core_fabric.h>
#include <target/target_core_fabric_ops.h>
#include <target/target_core_fabric_configfs.h> #include <target/target_core_fabric_configfs.h>
#include <target/target_core_fabric_lib.h>
#include <target/target_core_device.h>
#include <target/target_core_tpg.h>
#include <target/target_core_configfs.h> #include <target/target_core_configfs.h>
#include <target/configfs_macros.h> #include <target/configfs_macros.h>

3
drivers/target/iscsi/iscsi_target_device.c
View file

@ -21,8 +21,7 @@
#include <scsi/scsi_device.h> #include <scsi/scsi_device.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_device.h> #include <target/target_core_fabric.h>
#include <target/target_core_transport.h>
#include "iscsi_target_core.h" #include "iscsi_target_core.h"
#include "iscsi_target_device.h" #include "iscsi_target_device.h"

2
drivers/target/iscsi/iscsi_target_erl0.c
View file

@ -21,7 +21,7 @@
#include <scsi/iscsi_proto.h> #include <scsi/iscsi_proto.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_transport.h> #include <target/target_core_fabric.h>
#include "iscsi_target_core.h" #include "iscsi_target_core.h"
#include "iscsi_target_seq_pdu_list.h" #include "iscsi_target_seq_pdu_list.h"

2
drivers/target/iscsi/iscsi_target_erl1.c
View file

@ -21,7 +21,7 @@
#include <linux/list.h> #include <linux/list.h>
#include <scsi/iscsi_proto.h> #include <scsi/iscsi_proto.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_transport.h> #include <target/target_core_fabric.h>
#include "iscsi_target_core.h" #include "iscsi_target_core.h"
#include "iscsi_target_seq_pdu_list.h" #include "iscsi_target_seq_pdu_list.h"

2
drivers/target/iscsi/iscsi_target_erl2.c
View file

@ -21,7 +21,7 @@
#include <scsi/iscsi_proto.h> #include <scsi/iscsi_proto.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_transport.h> #include <target/target_core_fabric.h>
#include "iscsi_target_core.h" #include "iscsi_target_core.h"
#include "iscsi_target_datain_values.h" #include "iscsi_target_datain_values.h"

2
drivers/target/iscsi/iscsi_target_login.c
View file

@ -23,7 +23,7 @@
#include <linux/crypto.h> #include <linux/crypto.h>
#include <scsi/iscsi_proto.h> #include <scsi/iscsi_proto.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_transport.h> #include <target/target_core_fabric.h>
#include "iscsi_target_core.h" #include "iscsi_target_core.h"
#include "iscsi_target_tq.h" #include "iscsi_target_tq.h"

2
drivers/target/iscsi/iscsi_target_nego.c
View file

@ -21,7 +21,7 @@
#include <linux/ctype.h> #include <linux/ctype.h>
#include <scsi/iscsi_proto.h> #include <scsi/iscsi_proto.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_tpg.h> #include <target/target_core_fabric.h>
#include "iscsi_target_core.h" #include "iscsi_target_core.h"
#include "iscsi_target_parameters.h" #include "iscsi_target_parameters.h"

1
drivers/target/iscsi/iscsi_target_nodeattrib.c
View file

@ -19,7 +19,6 @@
******************************************************************************/ ******************************************************************************/
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_transport.h>
#include "iscsi_target_core.h" #include "iscsi_target_core.h"
#include "iscsi_target_device.h" #include "iscsi_target_device.h"

1
drivers/target/iscsi/iscsi_target_stat.c
View file

@ -23,7 +23,6 @@
#include <linux/export.h> #include <linux/export.h>
#include <scsi/iscsi_proto.h> #include <scsi/iscsi_proto.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_transport.h>
#include <target/configfs_macros.h> #include <target/configfs_macros.h>
#include "iscsi_target_core.h" #include "iscsi_target_core.h"

2
drivers/target/iscsi/iscsi_target_tmr.c
View file

@ -21,7 +21,7 @@
#include <asm/unaligned.h> #include <asm/unaligned.h>
#include <scsi/iscsi_proto.h> #include <scsi/iscsi_proto.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_transport.h> #include <target/target_core_fabric.h>
#include "iscsi_target_core.h" #include "iscsi_target_core.h"
#include "iscsi_target_seq_pdu_list.h" #include "iscsi_target_seq_pdu_list.h"

4
drivers/target/iscsi/iscsi_target_tpg.c
View file

@ -19,10 +19,8 @@
******************************************************************************/ ******************************************************************************/
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_transport.h> #include <target/target_core_fabric.h>
#include <target/target_core_fabric_ops.h>
#include <target/target_core_configfs.h> #include <target/target_core_configfs.h>
#include <target/target_core_tpg.h>
#include "iscsi_target_core.h" #include "iscsi_target_core.h"
#include "iscsi_target_erl0.h" #include "iscsi_target_erl0.h"

4
drivers/target/iscsi/iscsi_target_util.c
View file

@ -22,9 +22,7 @@
#include <scsi/scsi_tcq.h> #include <scsi/scsi_tcq.h>
#include <scsi/iscsi_proto.h> #include <scsi/iscsi_proto.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_transport.h> #include <target/target_core_fabric.h>
#include <target/target_core_tmr.h>
#include <target/target_core_fabric_ops.h>
#include <target/target_core_configfs.h> #include <target/target_core_configfs.h>
#include "iscsi_target_core.h" #include "iscsi_target_core.h"

7
drivers/target/loopback/tcm_loop.c
View file

@ -33,14 +33,9 @@
#include <scsi/scsi_cmnd.h> #include <scsi/scsi_cmnd.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_transport.h> #include <target/target_core_fabric.h>
#include <target/target_core_fabric_ops.h>
#include <target/target_core_fabric_configfs.h> #include <target/target_core_fabric_configfs.h>
#include <target/target_core_fabric_lib.h>
#include <target/target_core_configfs.h> #include <target/target_core_configfs.h>
#include <target/target_core_device.h>
#include <target/target_core_tpg.h>
#include <target/target_core_tmr.h>
#include "tcm_loop.h" #include "tcm_loop.h"

5
drivers/target/target_core_alua.c
View file

@ -32,9 +32,8 @@
#include <scsi/scsi_cmnd.h> #include <scsi/scsi_cmnd.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_device.h> #include <target/target_core_backend.h>
#include <target/target_core_transport.h> #include <target/target_core_fabric.h>
#include <target/target_core_fabric_ops.h>
#include <target/target_core_configfs.h> #include <target/target_core_configfs.h>
#include "target_core_internal.h" #include "target_core_internal.h"

4
drivers/target/target_core_cdb.c
View file

@ -29,8 +29,8 @@
#include <scsi/scsi.h> #include <scsi/scsi.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_transport.h> #include <target/target_core_backend.h>
#include <target/target_core_fabric_ops.h> #include <target/target_core_fabric.h>
#include "target_core_internal.h" #include "target_core_internal.h"
#include "target_core_ua.h" #include "target_core_ua.h"

5
drivers/target/target_core_configfs.c
View file

@ -39,9 +39,8 @@
#include <linux/spinlock.h> #include <linux/spinlock.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_device.h> #include <target/target_core_backend.h>
#include <target/target_core_transport.h> #include <target/target_core_fabric.h>
#include <target/target_core_fabric_ops.h>
#include <target/target_core_fabric_configfs.h> #include <target/target_core_fabric_configfs.h>
#include <target/target_core_configfs.h> #include <target/target_core_configfs.h>
#include <target/configfs_macros.h> #include <target/configfs_macros.h>

6
drivers/target/target_core_device.c
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@ -42,10 +42,8 @@
#include <scsi/scsi_device.h> #include <scsi/scsi_device.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_device.h> #include <target/target_core_backend.h>
#include <target/target_core_tpg.h> #include <target/target_core_fabric.h>
#include <target/target_core_transport.h>
#include <target/target_core_fabric_ops.h>
#include "target_core_internal.h" #include "target_core_internal.h"
#include "target_core_alua.h" #include "target_core_alua.h"

5
drivers/target/target_core_fabric_configfs.c
View file

@ -36,10 +36,7 @@
#include <linux/configfs.h> #include <linux/configfs.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_device.h> #include <target/target_core_fabric.h>
#include <target/target_core_tpg.h>
#include <target/target_core_transport.h>
#include <target/target_core_fabric_ops.h>
#include <target/target_core_fabric_configfs.h> #include <target/target_core_fabric_configfs.h>
#include <target/target_core_configfs.h> #include <target/target_core_configfs.h>
#include <target/configfs_macros.h> #include <target/configfs_macros.h>

5
drivers/target/target_core_fabric_lib.c
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@ -34,10 +34,7 @@
#include <scsi/scsi_cmnd.h> #include <scsi/scsi_cmnd.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_device.h> #include <target/target_core_fabric.h>
#include <target/target_core_transport.h>
#include <target/target_core_fabric_lib.h>
#include <target/target_core_fabric_ops.h>
#include <target/target_core_configfs.h> #include <target/target_core_configfs.h>
#include "target_core_internal.h" #include "target_core_internal.h"

3
drivers/target/target_core_file.c
View file

@ -37,8 +37,7 @@
#include <scsi/scsi_host.h> #include <scsi/scsi_host.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_device.h> #include <target/target_core_backend.h>
#include <target/target_core_transport.h>
#include "target_core_file.h" #include "target_core_file.h"

5
drivers/target/target_core_hba.c
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@ -37,9 +37,8 @@
#include <net/tcp.h> #include <net/tcp.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_device.h> #include <target/target_core_backend.h>
#include <target/target_core_tpg.h> #include <target/target_core_fabric.h>
#include <target/target_core_transport.h>
#include "target_core_internal.h" #include "target_core_internal.h"

3
drivers/target/target_core_iblock.c
View file

@ -42,8 +42,7 @@
#include <scsi/scsi_host.h> #include <scsi/scsi_host.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_device.h> #include <target/target_core_backend.h>
#include <target/target_core_transport.h>
#include "target_core_iblock.h" #include "target_core_iblock.h"

7
drivers/target/target_core_pr.c
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@ -33,11 +33,8 @@
#include <asm/unaligned.h> #include <asm/unaligned.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_device.h> #include <target/target_core_backend.h>
#include <target/target_core_tmr.h> #include <target/target_core_fabric.h>
#include <target/target_core_tpg.h>
#include <target/target_core_transport.h>
#include <target/target_core_fabric_ops.h>
#include <target/target_core_configfs.h> #include <target/target_core_configfs.h>
#include "target_core_internal.h" #include "target_core_internal.h"

3
drivers/target/target_core_pscsi.c
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@ -44,8 +44,7 @@
#include <scsi/scsi_tcq.h> #include <scsi/scsi_tcq.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_device.h> #include <target/target_core_backend.h>
#include <target/target_core_transport.h>
#include "target_core_pscsi.h" #include "target_core_pscsi.h"

4
drivers/target/target_core_rd.c
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@ -37,9 +37,7 @@
#include <scsi/scsi_host.h> #include <scsi/scsi_host.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_device.h> #include <target/target_core_backend.h>
#include <target/target_core_transport.h>
#include <target/target_core_fabric_ops.h>
#include "target_core_rd.h" #include "target_core_rd.h"

4
drivers/target/target_core_stat.c
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@ -43,8 +43,8 @@
#include <scsi/scsi_host.h> #include <scsi/scsi_host.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_transport.h> #include <target/target_core_backend.h>
#include <target/target_core_fabric_ops.h> #include <target/target_core_fabric.h>
#include <target/target_core_configfs.h> #include <target/target_core_configfs.h>
#include <target/configfs_macros.h> #include <target/configfs_macros.h>

6
drivers/target/target_core_tmr.c
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@ -32,10 +32,8 @@
#include <scsi/scsi_cmnd.h> #include <scsi/scsi_cmnd.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_device.h> #include <target/target_core_backend.h>
#include <target/target_core_tmr.h> #include <target/target_core_fabric.h>
#include <target/target_core_transport.h>
#include <target/target_core_fabric_ops.h>
#include <target/target_core_configfs.h> #include <target/target_core_configfs.h>
#include "target_core_internal.h" #include "target_core_internal.h"

6
drivers/target/target_core_tpg.c
View file

@ -39,10 +39,8 @@
#include <scsi/scsi_cmnd.h> #include <scsi/scsi_cmnd.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_device.h> #include <target/target_core_backend.h>
#include <target/target_core_tpg.h> #include <target/target_core_fabric.h>
#include <target/target_core_transport.h>
#include <target/target_core_fabric_ops.h>
#include "target_core_internal.h" #include "target_core_internal.h"

7
drivers/target/target_core_transport.c
View file

@ -45,11 +45,8 @@
#include <scsi/scsi_tcq.h> #include <scsi/scsi_tcq.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_device.h> #include <target/target_core_backend.h>
#include <target/target_core_tmr.h> #include <target/target_core_fabric.h>
#include <target/target_core_tpg.h>
#include <target/target_core_transport.h>
#include <target/target_core_fabric_ops.h>
#include <target/target_core_configfs.h> #include <target/target_core_configfs.h>
#include "target_core_internal.h" #include "target_core_internal.h"

4
drivers/target/target_core_ua.c
View file

@ -30,9 +30,7 @@
#include <scsi/scsi_cmnd.h> #include <scsi/scsi_cmnd.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_device.h> #include <target/target_core_fabric.h>
#include <target/target_core_transport.h>
#include <target/target_core_fabric_ops.h>
#include <target/target_core_configfs.h> #include <target/target_core_configfs.h>
#include "target_core_internal.h" #include "target_core_internal.h"

6
drivers/target/tcm_fc/tfc_cmd.c
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@ -39,12 +39,8 @@
#include <scsi/fc_encode.h> #include <scsi/fc_encode.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_transport.h> #include <target/target_core_fabric.h>
#include <target/target_core_fabric_ops.h>
#include <target/target_core_device.h>
#include <target/target_core_tpg.h>
#include <target/target_core_configfs.h> #include <target/target_core_configfs.h>
#include <target/target_core_tmr.h>
#include <target/configfs_macros.h> #include <target/configfs_macros.h>
#include "tcm_fc.h" #include "tcm_fc.h"

6
drivers/target/tcm_fc/tfc_conf.c
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@ -41,12 +41,8 @@
#include <scsi/libfc.h> #include <scsi/libfc.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_transport.h> #include <target/target_core_fabric.h>
#include <target/target_core_fabric_ops.h>
#include <target/target_core_fabric_configfs.h> #include <target/target_core_fabric_configfs.h>
#include <target/target_core_fabric_lib.h>
#include <target/target_core_device.h>
#include <target/target_core_tpg.h>
#include <target/target_core_configfs.h> #include <target/target_core_configfs.h>
#include <target/configfs_macros.h> #include <target/configfs_macros.h>

5
drivers/target/tcm_fc/tfc_io.c
View file

@ -48,10 +48,7 @@
#include <scsi/fc_encode.h> #include <scsi/fc_encode.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_transport.h> #include <target/target_core_fabric.h>
#include <target/target_core_fabric_ops.h>
#include <target/target_core_device.h>
#include <target/target_core_tpg.h>
#include <target/target_core_configfs.h> #include <target/target_core_configfs.h>
#include <target/configfs_macros.h> #include <target/configfs_macros.h>

5
drivers/target/tcm_fc/tfc_sess.c
View file

@ -40,10 +40,7 @@
#include <scsi/libfc.h> #include <scsi/libfc.h>
#include <target/target_core_base.h> #include <target/target_core_base.h>
#include <target/target_core_transport.h> #include <target/target_core_fabric.h>
#include <target/target_core_fabric_ops.h>
#include <target/target_core_device.h>
#include <target/target_core_tpg.h>
#include <target/target_core_configfs.h> #include <target/target_core_configfs.h>
#include <target/configfs_macros.h> #include <target/configfs_macros.h>

65
include/target/target_core_backend.h Normal file
View file

@ -0,0 +1,65 @@
#ifndef TARGET_CORE_BACKEND_H
#define TARGET_CORE_BACKEND_H
#define TRANSPORT_PLUGIN_PHBA_PDEV 1
#define TRANSPORT_PLUGIN_VHBA_PDEV 2
#define TRANSPORT_PLUGIN_VHBA_VDEV 3
struct se_subsystem_api {
struct list_head sub_api_list;
char name[16];
struct module *owner;
u8 transport_type;
unsigned int fua_write_emulated : 1;
unsigned int write_cache_emulated : 1;
int (*attach_hba)(struct se_hba *, u32);
void (*detach_hba)(struct se_hba *);
int (*pmode_enable_hba)(struct se_hba *, unsigned long);
void *(*allocate_virtdevice)(struct se_hba *, const char *);
struct se_device *(*create_virtdevice)(struct se_hba *,
struct se_subsystem_dev *, void *);
void (*free_device)(void *);
int (*transport_complete)(struct se_task *task);
struct se_task *(*alloc_task)(unsigned char *cdb);
int (*do_task)(struct se_task *);
int (*do_discard)(struct se_device *, sector_t, u32);
void (*do_sync_cache)(struct se_task *);
void (*free_task)(struct se_task *);
ssize_t (*check_configfs_dev_params)(struct se_hba *,
struct se_subsystem_dev *);
ssize_t (*set_configfs_dev_params)(struct se_hba *,
struct se_subsystem_dev *, const char *, ssize_t);
ssize_t (*show_configfs_dev_params)(struct se_hba *,
struct se_subsystem_dev *, char *);
u32 (*get_device_rev)(struct se_device *);
u32 (*get_device_type)(struct se_device *);
sector_t (*get_blocks)(struct se_device *);
unsigned char *(*get_sense_buffer)(struct se_task *);
};
int transport_subsystem_register(struct se_subsystem_api *);
void transport_subsystem_release(struct se_subsystem_api *);
struct se_device *transport_add_device_to_core_hba(struct se_hba *,
struct se_subsystem_api *, struct se_subsystem_dev *, u32,
void *, struct se_dev_limits *, const char *, const char *);
void transport_complete_sync_cache(struct se_cmd *, int);
void transport_complete_task(struct se_task *, int);
void target_get_task_cdb(struct se_task *, unsigned char *);
void transport_set_vpd_proto_id(struct t10_vpd *, unsigned char *);
int transport_set_vpd_assoc(struct t10_vpd *, unsigned char *);
int transport_set_vpd_ident_type(struct t10_vpd *, unsigned char *);
int transport_set_vpd_ident(struct t10_vpd *, unsigned char *);
/* core helpers also used by command snooping in pscsi */
void *transport_kmap_first_data_page(struct se_cmd *);
void transport_kunmap_first_data_page(struct se_cmd *);
#endif /* TARGET_CORE_BACKEND_H */

91
include/target/target_core_base.h
View file

@ -10,6 +10,7 @@
#include <net/tcp.h> #include <net/tcp.h>
#define TARGET_CORE_MOD_VERSION "v4.1.0-rc1-ml" #define TARGET_CORE_MOD_VERSION "v4.1.0-rc1-ml"
#define TARGET_CORE_VERSION TARGET_CORE_MOD_VERSION
/* Maximum Number of LUNs per Target Portal Group */ /* Maximum Number of LUNs per Target Portal Group */
/* Don't raise above 511 or REPORT_LUNS needs to handle >1 page */ /* Don't raise above 511 or REPORT_LUNS needs to handle >1 page */
@ -53,6 +54,72 @@
/* Used by transport_get_inquiry_vpd_device_ident() */ /* Used by transport_get_inquiry_vpd_device_ident() */
#define INQUIRY_VPD_DEVICE_IDENTIFIER_LEN 254 #define INQUIRY_VPD_DEVICE_IDENTIFIER_LEN 254
/* Attempts before moving from SHORT to LONG */
#define PYX_TRANSPORT_WINDOW_CLOSED_THRESHOLD 3
#define PYX_TRANSPORT_WINDOW_CLOSED_WAIT_SHORT 3 /* In milliseconds */
#define PYX_TRANSPORT_WINDOW_CLOSED_WAIT_LONG 10 /* In milliseconds */
#define PYX_TRANSPORT_STATUS_INTERVAL 5 /* In seconds */
/*
* struct se_subsystem_dev->su_dev_flags
*/
#define SDF_FIRMWARE_VPD_UNIT_SERIAL 0x00000001
#define SDF_EMULATED_VPD_UNIT_SERIAL 0x00000002
#define SDF_USING_UDEV_PATH 0x00000004
#define SDF_USING_ALIAS 0x00000008
/*
* struct se_device->dev_flags
*/
#define DF_READ_ONLY 0x00000001
#define DF_SPC2_RESERVATIONS 0x00000002
#define DF_SPC2_RESERVATIONS_WITH_ISID 0x00000004
/* struct se_dev_attrib sanity values */
/* Default max_unmap_lba_count */
#define DA_MAX_UNMAP_LBA_COUNT 0
/* Default max_unmap_block_desc_count */
#define DA_MAX_UNMAP_BLOCK_DESC_COUNT 0
/* Default unmap_granularity */
#define DA_UNMAP_GRANULARITY_DEFAULT 0
/* Default unmap_granularity_alignment */
#define DA_UNMAP_GRANULARITY_ALIGNMENT_DEFAULT 0
/* Emulation for Direct Page Out */
#define DA_EMULATE_DPO 0
/* Emulation for Forced Unit Access WRITEs */
#define DA_EMULATE_FUA_WRITE 1
/* Emulation for Forced Unit Access READs */
#define DA_EMULATE_FUA_READ 0
/* Emulation for WriteCache and SYNCHRONIZE_CACHE */
#define DA_EMULATE_WRITE_CACHE 0
/* Emulation for UNIT ATTENTION Interlock Control */
#define DA_EMULATE_UA_INTLLCK_CTRL 0
/* Emulation for TASK_ABORTED status (TAS) by default */
#define DA_EMULATE_TAS 1
/* Emulation for Thin Provisioning UNMAP using block/blk-lib.c:blkdev_issue_discard() */
#define DA_EMULATE_TPU 0
/*
* Emulation for Thin Provisioning WRITE_SAME w/ UNMAP=1 bit using
* block/blk-lib.c:blkdev_issue_discard()
*/
#define DA_EMULATE_TPWS 0
/* No Emulation for PSCSI by default */
#define DA_EMULATE_RESERVATIONS 0
/* No Emulation for PSCSI by default */
#define DA_EMULATE_ALUA 0
/* Enforce SCSI Initiator Port TransportID with 'ISID' for PR */
#define DA_ENFORCE_PR_ISIDS 1
#define DA_STATUS_MAX_SECTORS_MIN 16
#define DA_STATUS_MAX_SECTORS_MAX 8192
/* By default don't report non-rotating (solid state) medium */
#define DA_IS_NONROT 0
/* Queue Algorithm Modifier default for restricted reordering in control mode page */
#define DA_EMULATE_REST_REORD 0
#define SE_MODE_PAGE_BUF 512
/* struct se_hba->hba_flags */ /* struct se_hba->hba_flags */
enum hba_flags_table { enum hba_flags_table {
HBA_FLAGS_INTERNAL_USE = 0x01, HBA_FLAGS_INTERNAL_USE = 0x01,
@ -158,6 +225,30 @@ enum tcm_sense_reason_table {
TCM_RESERVATION_CONFLICT = 0x10, TCM_RESERVATION_CONFLICT = 0x10,
}; };
/* fabric independent task management function values */
enum tcm_tmreq_table {
TMR_ABORT_TASK = 1,
TMR_ABORT_TASK_SET = 2,
TMR_CLEAR_ACA = 3,
TMR_CLEAR_TASK_SET = 4,
TMR_LUN_RESET = 5,
TMR_TARGET_WARM_RESET = 6,
TMR_TARGET_COLD_RESET = 7,
TMR_FABRIC_TMR = 255,
};
/* fabric independent task management response values */
enum tcm_tmrsp_table {
TMR_FUNCTION_COMPLETE = 0,
TMR_TASK_DOES_NOT_EXIST = 1,
TMR_LUN_DOES_NOT_EXIST = 2,
TMR_TASK_STILL_ALLEGIANT = 3,
TMR_TASK_FAILOVER_NOT_SUPPORTED = 4,
TMR_TASK_MGMT_FUNCTION_NOT_SUPPORTED = 5,
TMR_FUNCTION_AUTHORIZATION_FAILED = 6,
TMR_FUNCTION_REJECTED = 255,
};
struct se_obj { struct se_obj {
atomic_t obj_access_count; atomic_t obj_access_count;
} ____cacheline_aligned; } ____cacheline_aligned;

9
include/target/target_core_device.h
View file

@ -1,9 +0,0 @@
#ifndef TARGET_CORE_DEVICE_H
#define TARGET_CORE_DEVICE_H
// external
extern int transport_lookup_cmd_lun(struct se_cmd *, u32);
extern int transport_lookup_tmr_lun(struct se_cmd *, u32);
#endif /* TARGET_CORE_DEVICE_H */

88
include/target/target_core_fabric_ops.h → include/target/target_core_fabric.h
View file

@ -1,5 +1,5 @@
/* Defined in target_core_configfs.h */ #ifndef TARGET_CORE_FABRIC_H
struct target_fabric_configfs; #define TARGET_CORE_FABRIC_H
struct target_core_fabric_ops { struct target_core_fabric_ops {
struct configfs_subsystem *tf_subsys; struct configfs_subsystem *tf_subsys;
@ -103,3 +103,87 @@ struct target_core_fabric_ops {
struct config_group *, const char *); struct config_group *, const char *);
void (*fabric_drop_nodeacl)(struct se_node_acl *); void (*fabric_drop_nodeacl)(struct se_node_acl *);
}; };
struct se_session *transport_init_session(void);
void __transport_register_session(struct se_portal_group *,
struct se_node_acl *, struct se_session *, void *);
void transport_register_session(struct se_portal_group *,
struct se_node_acl *, struct se_session *, void *);
void transport_free_session(struct se_session *);
void transport_deregister_session_configfs(struct se_session *);
void transport_deregister_session(struct se_session *);
void transport_init_se_cmd(struct se_cmd *, struct target_core_fabric_ops *,
struct se_session *, u32, int, int, unsigned char *);
int transport_lookup_cmd_lun(struct se_cmd *, u32);
int transport_generic_allocate_tasks(struct se_cmd *, unsigned char *);
int transport_handle_cdb_direct(struct se_cmd *);
int transport_generic_handle_cdb_map(struct se_cmd *);
int transport_generic_handle_data(struct se_cmd *);
int transport_generic_map_mem_to_cmd(struct se_cmd *cmd,
struct scatterlist *, u32, struct scatterlist *, u32);
void transport_do_task_sg_chain(struct se_cmd *);
int transport_generic_new_cmd(struct se_cmd *);
void transport_generic_process_write(struct se_cmd *);
void transport_generic_free_cmd(struct se_cmd *, int);
bool transport_wait_for_tasks(struct se_cmd *);
int transport_check_aborted_status(struct se_cmd *, int);
int transport_send_check_condition_and_sense(struct se_cmd *, u8, int);
void target_get_sess_cmd(struct se_session *, struct se_cmd *);
int target_put_sess_cmd(struct se_session *, struct se_cmd *);
void target_splice_sess_cmd_list(struct se_session *);
void target_wait_for_sess_cmds(struct se_session *, int);
int core_alua_check_nonop_delay(struct se_cmd *);
struct se_tmr_req *core_tmr_alloc_req(struct se_cmd *, void *, u8, gfp_t);
void core_tmr_release_req(struct se_tmr_req *);
int transport_generic_handle_tmr(struct se_cmd *);
int transport_lookup_tmr_lun(struct se_cmd *, u32);
struct se_node_acl *core_tpg_check_initiator_node_acl(struct se_portal_group *,
unsigned char *);
void core_tpg_clear_object_luns(struct se_portal_group *);
struct se_node_acl *core_tpg_add_initiator_node_acl(struct se_portal_group *,
struct se_node_acl *, const char *, u32);
int core_tpg_del_initiator_node_acl(struct se_portal_group *,
struct se_node_acl *, int);
int core_tpg_set_initiator_node_queue_depth(struct se_portal_group *,
unsigned char *, u32, int);
int core_tpg_register(struct target_core_fabric_ops *, struct se_wwn *,
struct se_portal_group *, void *, int);
int core_tpg_deregister(struct se_portal_group *);
/* SAS helpers */
u8 sas_get_fabric_proto_ident(struct se_portal_group *);
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 */
u8 fc_get_fabric_proto_ident(struct se_portal_group *);
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 */
u8 iscsi_get_fabric_proto_ident(struct se_portal_group *);
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 **);
#endif /* TARGET_CORE_FABRICH */

28
include/target/target_core_fabric_lib.h
View file

@ -1,28 +0,0 @@
#ifndef TARGET_CORE_FABRIC_LIB_H
#define TARGET_CORE_FABRIC_LIB_H
extern u8 sas_get_fabric_proto_ident(struct se_portal_group *);
extern u32 sas_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *,
struct t10_pr_registration *, int *, unsigned char *);
extern u32 sas_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *,
struct t10_pr_registration *, int *);
extern char *sas_parse_pr_out_transport_id(struct se_portal_group *,
const char *, u32 *, char **);
extern u8 fc_get_fabric_proto_ident(struct se_portal_group *);
extern u32 fc_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *,
struct t10_pr_registration *, int *, unsigned char *);
extern u32 fc_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *,
struct t10_pr_registration *, int *);
extern char *fc_parse_pr_out_transport_id(struct se_portal_group *,
const char *, u32 *, char **);
extern u8 iscsi_get_fabric_proto_ident(struct se_portal_group *);
extern u32 iscsi_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *,
struct t10_pr_registration *, int *, unsigned char *);
extern u32 iscsi_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *,
struct t10_pr_registration *, int *);
extern char *iscsi_parse_pr_out_transport_id(struct se_portal_group *,
const char *, u32 *, char **);
#endif /* TARGET_CORE_FABRIC_LIB_H */

31
include/target/target_core_tmr.h
View file

@ -1,31 +0,0 @@
#ifndef TARGET_CORE_TMR_H
#define TARGET_CORE_TMR_H
/* fabric independent task management function values */
enum tcm_tmreq_table {
TMR_ABORT_TASK = 1,
TMR_ABORT_TASK_SET = 2,
TMR_CLEAR_ACA = 3,
TMR_CLEAR_TASK_SET = 4,
TMR_LUN_RESET = 5,
TMR_TARGET_WARM_RESET = 6,
TMR_TARGET_COLD_RESET = 7,
TMR_FABRIC_TMR = 255,
};
/* fabric independent task management response values */
enum tcm_tmrsp_table {
TMR_FUNCTION_COMPLETE = 0,
TMR_TASK_DOES_NOT_EXIST = 1,
TMR_LUN_DOES_NOT_EXIST = 2,
TMR_TASK_STILL_ALLEGIANT = 3,
TMR_TASK_FAILOVER_NOT_SUPPORTED = 4,
TMR_TASK_MGMT_FUNCTION_NOT_SUPPORTED = 5,
TMR_FUNCTION_AUTHORIZATION_FAILED = 6,
TMR_FUNCTION_REJECTED = 255,
};
extern struct se_tmr_req *core_tmr_alloc_req(struct se_cmd *, void *, u8, gfp_t);
extern void core_tmr_release_req(struct se_tmr_req *);
#endif /* TARGET_CORE_TMR_H */

22
include/target/target_core_tpg.h
View file

@ -1,22 +0,0 @@
#ifndef TARGET_CORE_TPG_H
#define TARGET_CORE_TPG_H
extern struct se_node_acl *core_tpg_check_initiator_node_acl(
struct se_portal_group *,
unsigned char *);
extern void core_tpg_clear_object_luns(struct se_portal_group *);
extern struct se_node_acl *core_tpg_add_initiator_node_acl(
struct se_portal_group *,
struct se_node_acl *,
const char *, u32);
extern int core_tpg_del_initiator_node_acl(struct se_portal_group *,
struct se_node_acl *, int);
extern int core_tpg_set_initiator_node_queue_depth(struct se_portal_group *,
unsigned char *, u32, int);
extern int core_tpg_register(struct target_core_fabric_ops *,
struct se_wwn *,
struct se_portal_group *, void *,
int);
extern int core_tpg_deregister(struct se_portal_group *);
#endif /* TARGET_CORE_TPG_H */

256
include/target/target_core_transport.h
View file

@ -1,256 +0,0 @@
#ifndef TARGET_CORE_TRANSPORT_H
#define TARGET_CORE_TRANSPORT_H
#define TARGET_CORE_VERSION TARGET_CORE_MOD_VERSION
/* Attempts before moving from SHORT to LONG */
#define PYX_TRANSPORT_WINDOW_CLOSED_THRESHOLD 3
#define PYX_TRANSPORT_WINDOW_CLOSED_WAIT_SHORT 3 /* In milliseconds */
#define PYX_TRANSPORT_WINDOW_CLOSED_WAIT_LONG 10 /* In milliseconds */
#define PYX_TRANSPORT_STATUS_INTERVAL 5 /* In seconds */
#define TRANSPORT_PLUGIN_PHBA_PDEV 1
#define TRANSPORT_PLUGIN_VHBA_PDEV 2
#define TRANSPORT_PLUGIN_VHBA_VDEV 3
/*
* struct se_subsystem_dev->su_dev_flags
*/
#define SDF_FIRMWARE_VPD_UNIT_SERIAL 0x00000001
#define SDF_EMULATED_VPD_UNIT_SERIAL 0x00000002
#define SDF_USING_UDEV_PATH 0x00000004
#define SDF_USING_ALIAS 0x00000008
/*
* struct se_device->dev_flags
*/
#define DF_READ_ONLY 0x00000001
#define DF_SPC2_RESERVATIONS 0x00000002
#define DF_SPC2_RESERVATIONS_WITH_ISID 0x00000004
/* struct se_dev_attrib sanity values */
/* Default max_unmap_lba_count */
#define DA_MAX_UNMAP_LBA_COUNT 0
/* Default max_unmap_block_desc_count */
#define DA_MAX_UNMAP_BLOCK_DESC_COUNT 0
/* Default unmap_granularity */
#define DA_UNMAP_GRANULARITY_DEFAULT 0
/* Default unmap_granularity_alignment */
#define DA_UNMAP_GRANULARITY_ALIGNMENT_DEFAULT 0
/* Emulation for Direct Page Out */
#define DA_EMULATE_DPO 0
/* Emulation for Forced Unit Access WRITEs */
#define DA_EMULATE_FUA_WRITE 1
/* Emulation for Forced Unit Access READs */
#define DA_EMULATE_FUA_READ 0
/* Emulation for WriteCache and SYNCHRONIZE_CACHE */
#define DA_EMULATE_WRITE_CACHE 0
/* Emulation for UNIT ATTENTION Interlock Control */
#define DA_EMULATE_UA_INTLLCK_CTRL 0
/* Emulation for TASK_ABORTED status (TAS) by default */
#define DA_EMULATE_TAS 1
/* Emulation for Thin Provisioning UNMAP using block/blk-lib.c:blkdev_issue_discard() */
#define DA_EMULATE_TPU 0
/*
* Emulation for Thin Provisioning WRITE_SAME w/ UNMAP=1 bit using
* block/blk-lib.c:blkdev_issue_discard()
*/
#define DA_EMULATE_TPWS 0
/* No Emulation for PSCSI by default */
#define DA_EMULATE_RESERVATIONS 0
/* No Emulation for PSCSI by default */
#define DA_EMULATE_ALUA 0
/* Enforce SCSI Initiator Port TransportID with 'ISID' for PR */
#define DA_ENFORCE_PR_ISIDS 1
#define DA_STATUS_MAX_SECTORS_MIN 16
#define DA_STATUS_MAX_SECTORS_MAX 8192
/* By default don't report non-rotating (solid state) medium */
#define DA_IS_NONROT 0
/* Queue Algorithm Modifier default for restricted reordering in control mode page */
#define DA_EMULATE_REST_REORD 0
#define SE_MODE_PAGE_BUF 512
#define MOD_MAX_SECTORS(ms, bs) (ms % (PAGE_SIZE / bs))
struct se_subsystem_api;
extern int transport_subsystem_register(struct se_subsystem_api *);
extern void transport_subsystem_release(struct se_subsystem_api *);
extern struct se_session *transport_init_session(void);
extern void __transport_register_session(struct se_portal_group *,
struct se_node_acl *,
struct se_session *, void *);
extern void transport_register_session(struct se_portal_group *,
struct se_node_acl *,
struct se_session *, void *);
extern void transport_free_session(struct se_session *);
extern void transport_deregister_session_configfs(struct se_session *);
extern void transport_deregister_session(struct se_session *);
extern void transport_complete_sync_cache(struct se_cmd *, int);
extern void transport_complete_task(struct se_task *, int);
extern void transport_set_vpd_proto_id(struct t10_vpd *, unsigned char *);
extern int transport_set_vpd_assoc(struct t10_vpd *, unsigned char *);
extern int transport_set_vpd_ident_type(struct t10_vpd *, unsigned char *);
extern int transport_set_vpd_ident(struct t10_vpd *, unsigned char *);
extern struct se_device *transport_add_device_to_core_hba(struct se_hba *,
struct se_subsystem_api *,
struct se_subsystem_dev *, u32,
void *, struct se_dev_limits *,
const char *, const char *);
extern void transport_init_se_cmd(struct se_cmd *,
struct target_core_fabric_ops *,
struct se_session *, u32, int, int,
unsigned char *);
void *transport_kmap_first_data_page(struct se_cmd *cmd);
void transport_kunmap_first_data_page(struct se_cmd *cmd);
extern int transport_generic_allocate_tasks(struct se_cmd *, unsigned char *);
extern int transport_handle_cdb_direct(struct se_cmd *);
extern int transport_generic_handle_cdb_map(struct se_cmd *);
extern int transport_generic_handle_data(struct se_cmd *);
extern int transport_generic_handle_tmr(struct se_cmd *);
extern int transport_generic_map_mem_to_cmd(struct se_cmd *cmd, struct scatterlist *, u32,
struct scatterlist *, u32);
extern bool transport_wait_for_tasks(struct se_cmd *);
extern int transport_check_aborted_status(struct se_cmd *, int);
extern int transport_send_check_condition_and_sense(struct se_cmd *, u8, int);
extern void transport_generic_free_cmd(struct se_cmd *, int);
extern void target_get_sess_cmd(struct se_session *, struct se_cmd *);
extern int target_put_sess_cmd(struct se_session *, struct se_cmd *);
extern void target_splice_sess_cmd_list(struct se_session *);
extern void target_wait_for_sess_cmds(struct se_session *, int);
extern void transport_do_task_sg_chain(struct se_cmd *);
extern void transport_generic_process_write(struct se_cmd *);
extern int transport_generic_new_cmd(struct se_cmd *);
/* From target_core_alua.c */
extern int core_alua_check_nonop_delay(struct se_cmd *);
/* From target_core_cdb.c */
extern void target_get_task_cdb(struct se_task *task, unsigned char *cdb);
/*
* Each se_transport_task_t can have N number of possible struct se_task's
* for the storage transport(s) to possibly execute.
* Used primarily for splitting up CDBs that exceed the physical storage
* HBA's maximum sector count per task.
*/
struct se_mem {
struct page *se_page;
u32 se_len;
u32 se_off;
struct list_head se_list;
} ____cacheline_aligned;
/*
* Each type of disk transport supported MUST have a template defined
* within its .h file.
*/
struct se_subsystem_api {
/*
* The Name. :-)
*/
char name[16];
/*
* Transport Type.
*/
u8 transport_type;
unsigned int fua_write_emulated : 1;
unsigned int write_cache_emulated : 1;
/*
* struct module for struct se_hba references
*/
struct module *owner;
/*
* Used for global se_subsystem_api list_head
*/
struct list_head sub_api_list;
/*
* attach_hba():
*/
int (*attach_hba)(struct se_hba *, u32);
/*
* detach_hba():
*/
void (*detach_hba)(struct se_hba *);
/*
* pmode_hba(): Used for TCM/pSCSI subsystem plugin HBA ->
* Linux/SCSI struct Scsi_Host passthrough
*/
int (*pmode_enable_hba)(struct se_hba *, unsigned long);
/*
* allocate_virtdevice():
*/
void *(*allocate_virtdevice)(struct se_hba *, const char *);
/*
* create_virtdevice(): Only for Virtual HBAs
*/
struct se_device *(*create_virtdevice)(struct se_hba *,
struct se_subsystem_dev *, void *);
/*
* free_device():
*/
void (*free_device)(void *);
/*
* transport_complete():
*
* Use transport_generic_complete() for majority of DAS transport
* drivers. Provided out of convenience.
*/
int (*transport_complete)(struct se_task *task);
struct se_task *(*alloc_task)(unsigned char *cdb);
/*
* do_task():
*/
int (*do_task)(struct se_task *);
/*
* Used by virtual subsystem plugins IBLOCK and FILEIO to emulate
* UNMAP and WRITE_SAME_* w/ UNMAP=1 <-> Linux/Block Discard
*/
int (*do_discard)(struct se_device *, sector_t, u32);
/*
* Used by virtual subsystem plugins IBLOCK and FILEIO to emulate
* SYNCHRONIZE_CACHE_* <-> Linux/Block blkdev_issue_flush()
*/
void (*do_sync_cache)(struct se_task *);
/*
* free_task():
*/
void (*free_task)(struct se_task *);
/*
* check_configfs_dev_params():
*/
ssize_t (*check_configfs_dev_params)(struct se_hba *, struct se_subsystem_dev *);
/*
* set_configfs_dev_params():
*/
ssize_t (*set_configfs_dev_params)(struct se_hba *, struct se_subsystem_dev *,
const char *, ssize_t);
/*
* show_configfs_dev_params():
*/
ssize_t (*show_configfs_dev_params)(struct se_hba *, struct se_subsystem_dev *,
char *);
/*
* get_device_rev():
*/
u32 (*get_device_rev)(struct se_device *);
/*
* get_device_type():
*/
u32 (*get_device_type)(struct se_device *);
/*
* Get the sector_t from a subsystem backstore..
*/
sector_t (*get_blocks)(struct se_device *);
/*
* get_sense_buffer():
*/
unsigned char *(*get_sense_buffer)(struct se_task *);
} ____cacheline_aligned;
#endif /* TARGET_CORE_TRANSPORT_H */