License cleanup: add SPDX GPL-2.0 license identifier to files with no license
Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.
By default all files without license information are under the default
license of the kernel, which is GPL version 2.
Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier. The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.
How this work was done:
Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
- file had no licensing information it it.
- file was a */uapi/* one with no licensing information in it,
- file was a */uapi/* one with existing licensing information,
Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.
The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne. Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.
The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed. Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.
Criteria used to select files for SPDX license identifier tagging was:
- Files considered eligible had to be source code files.
- Make and config files were included as candidates if they contained >5
lines of source
- File already had some variant of a license header in it (even if <5
lines).
All documentation files were explicitly excluded.
The following heuristics were used to determine which SPDX license
identifiers to apply.
- when both scanners couldn't find any license traces, file was
considered to have no license information in it, and the top level
COPYING file license applied.
For non */uapi/* files that summary was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 11139
and resulted in the first patch in this series.
If that file was a */uapi/* path one, it was "GPL-2.0 WITH
Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 WITH Linux-syscall-note 930
and resulted in the second patch in this series.
- if a file had some form of licensing information in it, and was one
of the */uapi/* ones, it was denoted with the Linux-syscall-note if
any GPL family license was found in the file or had no licensing in
it (per prior point). Results summary:
SPDX license identifier # files
---------------------------------------------------|------
GPL-2.0 WITH Linux-syscall-note 270
GPL-2.0+ WITH Linux-syscall-note 169
((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21
((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17
LGPL-2.1+ WITH Linux-syscall-note 15
GPL-1.0+ WITH Linux-syscall-note 14
((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5
LGPL-2.0+ WITH Linux-syscall-note 4
LGPL-2.1 WITH Linux-syscall-note 3
((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3
((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1
and that resulted in the third patch in this series.
- when the two scanners agreed on the detected license(s), that became
the concluded license(s).
- when there was disagreement between the two scanners (one detected a
license but the other didn't, or they both detected different
licenses) a manual inspection of the file occurred.
- In most cases a manual inspection of the information in the file
resulted in a clear resolution of the license that should apply (and
which scanner probably needed to revisit its heuristics).
- When it was not immediately clear, the license identifier was
confirmed with lawyers working with the Linux Foundation.
- If there was any question as to the appropriate license identifier,
the file was flagged for further research and to be revisited later
in time.
In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases, confirmation
by lawyers working with the Linux Foundation.
Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights. The
Windriver scanner is based on an older version of FOSSology in part, so
they are related.
Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot checks
in about 15000 files.
In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect the
correct identifier.
Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial patch
version early this week with:
- a full scancode scan run, collecting the matched texts, detected
license ids and scores
- reviewing anything where there was a license detected (about 500+
files) to ensure that the applied SPDX license was correct
- reviewing anything where there was no detection but the patch license
was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied
SPDX license was correct
This produced a worksheet with 20 files needing minor correction. This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.
These .csv files were then reviewed by Greg. Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected. This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.) Finally Greg ran the script using the .csv files to
generate the patches.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-01 22:07:57 +08:00
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/* SPDX-License-Identifier: GPL-2.0 */
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2011-11-15 01:30:30 +08:00
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#ifndef TARGET_CORE_INTERNAL_H
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#define TARGET_CORE_INTERNAL_H
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2016-11-15 07:47:14 +08:00
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#include <linux/configfs.h>
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#include <linux/list.h>
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#include <linux/types.h>
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#include <target/target_core_base.h>
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2015-06-19 21:14:41 +08:00
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#define TARGET_CORE_NAME_MAX_LEN 64
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#define TARGET_FABRIC_NAME_SIZE 32
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2015-05-11 00:14:56 +08:00
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struct target_backend {
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struct list_head list;
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const struct target_backend_ops *ops;
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struct config_item_type tb_dev_cit;
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struct config_item_type tb_dev_attrib_cit;
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2017-12-19 18:03:57 +08:00
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struct config_item_type tb_dev_action_cit;
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2015-05-11 00:14:56 +08:00
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struct config_item_type tb_dev_pr_cit;
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struct config_item_type tb_dev_wwn_cit;
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struct config_item_type tb_dev_alua_tg_pt_gps_cit;
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struct config_item_type tb_dev_stat_cit;
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};
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2015-06-19 21:14:41 +08:00
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struct target_fabric_configfs {
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atomic_t tf_access_cnt;
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struct list_head tf_list;
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struct config_group tf_group;
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struct config_group tf_disc_group;
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const struct target_core_fabric_ops *tf_ops;
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struct config_item_type tf_discovery_cit;
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struct config_item_type tf_wwn_cit;
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struct config_item_type tf_wwn_fabric_stats_cit;
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struct config_item_type tf_tpg_cit;
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struct config_item_type tf_tpg_base_cit;
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struct config_item_type tf_tpg_lun_cit;
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struct config_item_type tf_tpg_port_cit;
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struct config_item_type tf_tpg_port_stat_cit;
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struct config_item_type tf_tpg_np_cit;
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struct config_item_type tf_tpg_np_base_cit;
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struct config_item_type tf_tpg_attrib_cit;
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struct config_item_type tf_tpg_auth_cit;
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struct config_item_type tf_tpg_param_cit;
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struct config_item_type tf_tpg_nacl_cit;
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struct config_item_type tf_tpg_nacl_base_cit;
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struct config_item_type tf_tpg_nacl_attrib_cit;
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struct config_item_type tf_tpg_nacl_auth_cit;
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struct config_item_type tf_tpg_nacl_param_cit;
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struct config_item_type tf_tpg_nacl_stat_cit;
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struct config_item_type tf_tpg_mappedlun_cit;
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struct config_item_type tf_tpg_mappedlun_stat_cit;
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};
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2011-11-15 01:30:30 +08:00
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/* target_core_alua.c */
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extern struct t10_alua_lu_gp *default_lu_gp;
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/* target_core_device.c */
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2015-05-26 12:33:08 +08:00
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int core_alloc_rtpi(struct se_lun *lun, struct se_device *dev);
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2011-11-15 01:30:30 +08:00
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struct se_dev_entry *core_get_se_deve_from_rtpi(struct se_node_acl *, u16);
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2015-03-23 11:42:19 +08:00
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void target_pr_kref_release(struct kref *);
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void core_free_device_list_for_node(struct se_node_acl *,
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2011-11-15 01:30:30 +08:00
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struct se_portal_group *);
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2016-02-26 07:14:32 +08:00
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void core_update_device_list_access(u64, bool, struct se_node_acl *);
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2015-06-10 14:41:22 +08:00
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struct se_dev_entry *target_nacl_find_deve(struct se_node_acl *, u64);
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2012-07-13 08:34:58 +08:00
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int core_enable_device_list_for_node(struct se_lun *, struct se_lun_acl *,
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2016-02-26 07:14:32 +08:00
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u64, bool, struct se_node_acl *, struct se_portal_group *);
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2015-03-23 11:42:19 +08:00
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void core_disable_device_list_for_node(struct se_lun *, struct se_dev_entry *,
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struct se_node_acl *, struct se_portal_group *);
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2011-11-15 01:30:30 +08:00
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void core_clear_lun_from_tpg(struct se_lun *, struct se_portal_group *);
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2015-05-11 10:31:10 +08:00
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int core_dev_add_lun(struct se_portal_group *, struct se_device *,
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struct se_lun *lun);
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2014-07-01 07:39:44 +08:00
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void core_dev_del_lun(struct se_portal_group *, struct se_lun *);
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2011-11-15 01:30:30 +08:00
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struct se_lun_acl *core_dev_init_initiator_node_lun_acl(struct se_portal_group *,
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2015-06-10 14:41:22 +08:00
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struct se_node_acl *, u64, int *);
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2011-11-15 01:30:30 +08:00
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int core_dev_add_initiator_node_lun_acl(struct se_portal_group *,
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2016-02-26 07:14:32 +08:00
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struct se_lun_acl *, struct se_lun *lun, bool);
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2015-05-26 12:33:08 +08:00
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int core_dev_del_initiator_node_lun_acl(struct se_lun *,
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struct se_lun_acl *);
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2011-11-15 01:30:30 +08:00
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void core_dev_free_initiator_node_lun_acl(struct se_portal_group *,
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struct se_lun_acl *lacl);
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int core_dev_setup_virtual_lun0(void);
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void core_dev_release_virtual_lun0(void);
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2012-10-08 12:03:19 +08:00
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struct se_device *target_alloc_device(struct se_hba *hba, const char *name);
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int target_configure_device(struct se_device *dev);
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void target_free_device(struct se_device *);
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2017-06-23 14:18:16 +08:00
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int target_for_each_device(int (*fn)(struct se_device *dev, void *data),
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void *data);
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2011-11-15 01:30:30 +08:00
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2015-05-11 00:14:56 +08:00
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/* target_core_configfs.c */
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2017-11-01 02:03:09 +08:00
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extern struct configfs_item_operations target_core_dev_item_ops;
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2015-05-11 00:14:56 +08:00
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void target_setup_backend_cits(struct target_backend *);
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2015-10-03 21:32:55 +08:00
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/* target_core_fabric_configfs.c */
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int target_fabric_setup_cits(struct target_fabric_configfs *);
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2015-05-01 23:47:58 +08:00
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/* target_core_fabric_lib.c */
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int target_get_pr_transport_id_len(struct se_node_acl *nacl,
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struct t10_pr_registration *pr_reg, int *format_code);
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int target_get_pr_transport_id(struct se_node_acl *nacl,
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struct t10_pr_registration *pr_reg, int *format_code,
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unsigned char *buf);
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const char *target_parse_pr_out_transport_id(struct se_portal_group *tpg,
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2017-11-21 08:12:43 +08:00
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char *buf, u32 *out_tid_len, char **port_nexus_ptr);
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2015-05-01 23:47:58 +08:00
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2011-11-15 01:30:30 +08:00
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/* target_core_hba.c */
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struct se_hba *core_alloc_hba(const char *, u32, u32);
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int core_delete_hba(struct se_hba *);
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/* target_core_tmr.c */
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2012-02-13 18:38:14 +08:00
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void core_tmr_abort_task(struct se_device *, struct se_tmr_req *,
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struct se_session *);
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2011-11-15 01:30:30 +08:00
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int core_tmr_lun_reset(struct se_device *, struct se_tmr_req *,
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struct list_head *, struct se_cmd *);
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/* target_core_tpg.c */
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extern struct se_device *g_lun0_dev;
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struct se_node_acl *__core_tpg_get_initiator_node_acl(struct se_portal_group *tpg,
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const char *);
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2015-05-22 10:05:19 +08:00
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void core_tpg_add_node_to_devs(struct se_node_acl *, struct se_portal_group *,
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struct se_lun *);
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2011-11-15 01:30:30 +08:00
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void core_tpg_wait_for_nacl_pr_ref(struct se_node_acl *);
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2015-06-10 14:41:22 +08:00
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struct se_lun *core_tpg_alloc_lun(struct se_portal_group *, u64);
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2013-11-27 04:07:54 +08:00
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int core_tpg_add_lun(struct se_portal_group *, struct se_lun *,
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2016-02-26 07:14:32 +08:00
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bool, struct se_device *);
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2014-07-01 07:39:44 +08:00
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void core_tpg_remove_lun(struct se_portal_group *, struct se_lun *);
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2015-04-14 01:51:14 +08:00
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struct se_node_acl *core_tpg_add_initiator_node_acl(struct se_portal_group *tpg,
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const char *initiatorname);
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void core_tpg_del_initiator_node_acl(struct se_node_acl *acl);
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2011-11-15 01:30:30 +08:00
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/* target_core_transport.c */
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extern struct kmem_cache *se_tmr_req_cache;
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int init_se_kmem_caches(void);
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void release_se_kmem_caches(void);
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u32 scsi_get_new_index(scsi_index_t);
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void transport_subsystem_check_init(void);
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unsigned char *transport_dump_cmd_direction(struct se_cmd *);
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void transport_dump_dev_state(struct se_device *, char *, int *);
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void transport_dump_dev_info(struct se_device *, struct se_lun *,
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unsigned long long, char *, int *);
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void transport_dump_vpd_proto_id(struct t10_vpd *, unsigned char *, int);
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int transport_dump_vpd_assoc(struct t10_vpd *, unsigned char *, int);
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int transport_dump_vpd_ident_type(struct t10_vpd *, unsigned char *, int);
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int transport_dump_vpd_ident(struct t10_vpd *, unsigned char *, int);
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2015-05-19 22:16:01 +08:00
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void transport_clear_lun_ref(struct se_lun *);
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2012-11-07 04:24:09 +08:00
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sense_reason_t target_cmd_size_check(struct se_cmd *cmd, unsigned int size);
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2012-10-08 12:03:19 +08:00
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void target_qf_do_work(struct work_struct *work);
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2015-04-20 21:00:30 +08:00
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bool target_check_wce(struct se_device *dev);
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bool target_check_fua(struct se_device *dev);
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2016-05-18 13:19:10 +08:00
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void __target_execute_cmd(struct se_cmd *, bool);
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2011-11-15 01:30:30 +08:00
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/* target_core_stat.c */
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2012-10-08 12:03:19 +08:00
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void target_stat_setup_dev_default_groups(struct se_device *);
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2011-11-15 01:30:30 +08:00
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void target_stat_setup_port_default_groups(struct se_lun *);
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void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *);
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2015-05-26 12:33:08 +08:00
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/* target_core_xcopy.c */
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extern struct se_portal_group xcopy_pt_tpg;
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2016-04-15 09:18:50 +08:00
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/* target_core_configfs.c */
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#define DB_ROOT_LEN 4096
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#define DB_ROOT_DEFAULT "/var/target"
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2018-04-07 02:31:41 +08:00
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#define DB_ROOT_PREFERRED "/etc/target"
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2016-04-15 09:18:50 +08:00
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extern char db_root[];
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2011-11-15 01:30:30 +08:00
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#endif /* TARGET_CORE_INTERNAL_H */
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