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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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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 <asm/unaligned.h>\n\n"
buf += "#include <target/target_core_base.h>\n"
buf += "#include <target/target_core_transport.h>\n"
buf += "#include <target/target_core_fabric_ops.h>\n"
buf += "#include <target/target_core_fabric.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_base.h>\n"
buf += "#include <target/configfs_macros.h>\n\n"
buf += "#include \"" + fabric_mod_name + "_base.h\"\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):
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
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/libfc.h>\n\n"
buf += "#include <target/target_core_base.h>\n"
buf += "#include <target/target_core_transport.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_fabric.h>\n"
buf += "#include <target/target_core_configfs.h>\n\n"
buf += "#include \"" + fabric_mod_name + "_base.h\"\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/iscsi_proto.h>
#include <target/target_core_base.h>
#include <target/target_core_tmr.h>
#include <target/target_core_transport.h>
#include <target/target_core_fabric.h>
#include "iscsi_target_core.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/export.h>
#include <target/target_core_base.h>
#include <target/target_core_transport.h>
#include <target/target_core_fabric_ops.h>
#include <target/target_core_fabric.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/configfs_macros.h>

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

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

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

@ -21,7 +21,7 @@
#include <linux/list.h>
#include <scsi/iscsi_proto.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_seq_pdu_list.h"

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

@ -21,7 +21,7 @@
#include <scsi/iscsi_proto.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_datain_values.h"

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

@ -23,7 +23,7 @@
#include <linux/crypto.h>
#include <scsi/iscsi_proto.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_tq.h"

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

@ -21,7 +21,7 @@
#include <linux/ctype.h>
#include <scsi/iscsi_proto.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_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_transport.h>
#include "iscsi_target_core.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 <scsi/iscsi_proto.h>
#include <target/target_core_base.h>
#include <target/target_core_transport.h>
#include <target/configfs_macros.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 <scsi/iscsi_proto.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_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_transport.h>
#include <target/target_core_fabric_ops.h>
#include <target/target_core_fabric.h>
#include <target/target_core_configfs.h>
#include <target/target_core_tpg.h>
#include "iscsi_target_core.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/iscsi_proto.h>
#include <target/target_core_base.h>
#include <target/target_core_transport.h>
#include <target/target_core_tmr.h>
#include <target/target_core_fabric_ops.h>
#include <target/target_core_fabric.h>
#include <target/target_core_configfs.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 <target/target_core_base.h>
#include <target/target_core_transport.h>
#include <target/target_core_fabric_ops.h>
#include <target/target_core_fabric.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_device.h>
#include <target/target_core_tpg.h>
#include <target/target_core_tmr.h>
#include "tcm_loop.h"

5
drivers/target/target_core_alua.c
View File

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

4
drivers/target/target_core_cdb.c
View File

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

5
drivers/target/target_core_configfs.c
View File

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

6
drivers/target/target_core_device.c
View File

@ -42,10 +42,8 @@
#include <scsi/scsi_device.h>
#include <target/target_core_base.h>
#include <target/target_core_device.h>
#include <target/target_core_tpg.h>
#include <target/target_core_transport.h>
#include <target/target_core_fabric_ops.h>
#include <target/target_core_backend.h>
#include <target/target_core_fabric.h>
#include "target_core_internal.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 <target/target_core_base.h>
#include <target/target_core_device.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.h>
#include <target/target_core_fabric_configfs.h>
#include <target/target_core_configfs.h>
#include <target/configfs_macros.h>

5
drivers/target/target_core_fabric_lib.c
View File

@ -34,10 +34,7 @@
#include <scsi/scsi_cmnd.h>
#include <target/target_core_base.h>
#include <target/target_core_device.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_fabric.h>
#include <target/target_core_configfs.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 <target/target_core_base.h>
#include <target/target_core_device.h>
#include <target/target_core_transport.h>
#include <target/target_core_backend.h>
#include "target_core_file.h"

5
drivers/target/target_core_hba.c
View File

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

7
drivers/target/target_core_pr.c
View File

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

3
drivers/target/target_core_pscsi.c
View File

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

4
drivers/target/target_core_rd.c
View File

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

4
drivers/target/target_core_stat.c
View File

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

6
drivers/target/target_core_tmr.c
View File

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

4
drivers/target/target_core_ua.c
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@ -30,9 +30,7 @@
#include <scsi/scsi_cmnd.h>
#include <target/target_core_base.h>
#include <target/target_core_device.h>
#include <target/target_core_transport.h>
#include <target/target_core_fabric_ops.h>
#include <target/target_core_fabric.h>
#include <target/target_core_configfs.h>
#include "target_core_internal.h"

6
drivers/target/tcm_fc/tfc_cmd.c
View File

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

6
drivers/target/tcm_fc/tfc_conf.c
View File

@ -41,12 +41,8 @@
#include <scsi/libfc.h>
#include <target/target_core_base.h>
#include <target/target_core_transport.h>
#include <target/target_core_fabric_ops.h>
#include <target/target_core_fabric.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/configfs_macros.h>

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

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

65
include/target/target_core_backend.h Normal file
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@ -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>
#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 */
/* 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() */
#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 */
enum hba_flags_table {
HBA_FLAGS_INTERNAL_USE = 0x01,
@ -158,6 +225,30 @@ enum tcm_sense_reason_table {
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 {
atomic_t obj_access_count;
} ____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 */
struct target_fabric_configfs;
#ifndef TARGET_CORE_FABRIC_H
#define TARGET_CORE_FABRIC_H
struct target_core_fabric_ops {
struct configfs_subsystem *tf_subsys;
@ -103,3 +103,87 @@ struct target_core_fabric_ops {
struct config_group *, const char *);
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 */