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Many user space API headers are missing licensing information, which makes it hard for compliance tools to determine the correct license. By default are files without license information under the default license of the kernel, which is GPLV2. Marking them GPLV2 would exclude them from being included in non GPLV2 code, which is obviously not intended. The user space API headers fall under the syscall exception which is in the kernels COPYING file: NOTE! This copyright does *not* cover user programs that use kernel services by normal system calls - this is merely considered normal use of the kernel, and does *not* fall under the heading of "derived work". otherwise syscall usage would not be possible. Update the files which contain no license information with an SPDX license identifier. The chosen identifier is 'GPL-2.0 WITH Linux-syscall-note' which is the officially assigned identifier for the Linux syscall exception. SPDX license identifiers are 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. See the previous patch in this series for the methodology of how this patch was researched. 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>
170 lines
5.2 KiB
C
170 lines
5.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* ioctl interface for the scsi media changer driver
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*/
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/* changer element types */
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#define CHET_MT 0 /* media transport element (robot) */
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#define CHET_ST 1 /* storage element (media slots) */
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#define CHET_IE 2 /* import/export element */
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#define CHET_DT 3 /* data transfer element (tape/cdrom/whatever) */
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#define CHET_V1 4 /* vendor specific #1 */
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#define CHET_V2 5 /* vendor specific #2 */
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#define CHET_V3 6 /* vendor specific #3 */
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#define CHET_V4 7 /* vendor specific #4 */
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/*
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* CHIOGPARAMS
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* query changer properties
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*
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* CHIOVGPARAMS
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* query vendor-specific element types
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*
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* accessing elements works by specifing type and unit of the element.
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* for example, storage elements are addressed with type = CHET_ST and
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* unit = 0 .. cp_nslots-1
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*
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*/
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struct changer_params {
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int cp_curpicker; /* current transport element */
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int cp_npickers; /* number of transport elements (CHET_MT) */
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int cp_nslots; /* number of storage elements (CHET_ST) */
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int cp_nportals; /* number of import/export elements (CHET_IE) */
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int cp_ndrives; /* number of data transfer elements (CHET_DT) */
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};
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struct changer_vendor_params {
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int cvp_n1; /* number of vendor specific elems (CHET_V1) */
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char cvp_label1[16];
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int cvp_n2; /* number of vendor specific elems (CHET_V2) */
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char cvp_label2[16];
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int cvp_n3; /* number of vendor specific elems (CHET_V3) */
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char cvp_label3[16];
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int cvp_n4; /* number of vendor specific elems (CHET_V4) */
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char cvp_label4[16];
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int reserved[8];
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};
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/*
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* CHIOMOVE
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* move a medium from one element to another
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*/
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struct changer_move {
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int cm_fromtype; /* type/unit of source element */
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int cm_fromunit;
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int cm_totype; /* type/unit of destination element */
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int cm_tounit;
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int cm_flags;
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};
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#define CM_INVERT 1 /* flag: rotate media (for double-sided like MOD) */
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/*
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* CHIOEXCHANGE
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* move one medium from element #1 to element #2,
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* and another one from element #2 to element #3.
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* element #1 and #3 are allowed to be identical.
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*/
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struct changer_exchange {
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int ce_srctype; /* type/unit of element #1 */
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int ce_srcunit;
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int ce_fdsttype; /* type/unit of element #2 */
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int ce_fdstunit;
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int ce_sdsttype; /* type/unit of element #3 */
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int ce_sdstunit;
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int ce_flags;
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};
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#define CE_INVERT1 1
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#define CE_INVERT2 2
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/*
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* CHIOPOSITION
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* move the transport element (robot arm) to a specific element.
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*/
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struct changer_position {
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int cp_type;
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int cp_unit;
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int cp_flags;
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};
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#define CP_INVERT 1
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/*
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* CHIOGSTATUS
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* get element status for all elements of a specific type
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*/
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struct changer_element_status {
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int ces_type;
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unsigned char __user *ces_data;
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};
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#define CESTATUS_FULL 0x01 /* full */
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#define CESTATUS_IMPEXP 0x02 /* media was imported (inserted by sysop) */
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#define CESTATUS_EXCEPT 0x04 /* error condition */
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#define CESTATUS_ACCESS 0x08 /* access allowed */
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#define CESTATUS_EXENAB 0x10 /* element can export media */
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#define CESTATUS_INENAB 0x20 /* element can import media */
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/*
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* CHIOGELEM
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* get more detailed status information for a single element
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*/
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struct changer_get_element {
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int cge_type; /* type/unit */
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int cge_unit;
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int cge_status; /* status */
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int cge_errno; /* errno */
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int cge_srctype; /* source element of the last move/exchange */
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int cge_srcunit;
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int cge_id; /* scsi id (for data transfer elements) */
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int cge_lun; /* scsi lun (for data transfer elements) */
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char cge_pvoltag[36]; /* primary volume tag */
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char cge_avoltag[36]; /* alternate volume tag */
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int cge_flags;
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};
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/* flags */
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#define CGE_ERRNO 0x01 /* errno available */
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#define CGE_INVERT 0x02 /* media inverted */
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#define CGE_SRC 0x04 /* media src available */
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#define CGE_IDLUN 0x08 /* ID+LUN available */
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#define CGE_PVOLTAG 0x10 /* primary volume tag available */
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#define CGE_AVOLTAG 0x20 /* alternate volume tag available */
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/*
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* CHIOSVOLTAG
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* set volume tag
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*/
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struct changer_set_voltag {
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int csv_type; /* type/unit */
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int csv_unit;
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char csv_voltag[36]; /* volume tag */
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int csv_flags;
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};
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#define CSV_PVOLTAG 0x01 /* primary volume tag */
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#define CSV_AVOLTAG 0x02 /* alternate volume tag */
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#define CSV_CLEARTAG 0x04 /* clear volume tag */
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/* ioctls */
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#define CHIOMOVE _IOW('c', 1,struct changer_move)
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#define CHIOEXCHANGE _IOW('c', 2,struct changer_exchange)
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#define CHIOPOSITION _IOW('c', 3,struct changer_position)
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#define CHIOGPICKER _IOR('c', 4,int) /* not impl. */
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#define CHIOSPICKER _IOW('c', 5,int) /* not impl. */
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#define CHIOGPARAMS _IOR('c', 6,struct changer_params)
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#define CHIOGSTATUS _IOW('c', 8,struct changer_element_status)
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#define CHIOGELEM _IOW('c',16,struct changer_get_element)
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#define CHIOINITELEM _IO('c',17)
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#define CHIOSVOLTAG _IOW('c',18,struct changer_set_voltag)
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#define CHIOGVPARAMS _IOR('c',19,struct changer_vendor_params)
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/* ---------------------------------------------------------------------- */
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/*
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* Local variables:
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* c-basic-offset: 8
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* End:
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*/
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