/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * ioctl interface for the scsi media changer driver */ #ifndef _UAPI_LINUX_CHIO_H #define _UAPI_LINUX_CHIO_H /* changer element types */ #define CHET_MT … #define CHET_ST … #define CHET_IE … #define CHET_DT … #define CHET_V1 … #define CHET_V2 … #define CHET_V3 … #define CHET_V4 … /* * CHIOGPARAMS * query changer properties * * CHIOVGPARAMS * query vendor-specific element types * * accessing elements works by specifing type and unit of the element. * for example, storage elements are addressed with type = CHET_ST and * unit = 0 .. cp_nslots-1 * */ struct changer_params { … }; struct changer_vendor_params { … }; /* * CHIOMOVE * move a medium from one element to another */ struct changer_move { … }; #define CM_INVERT … /* * CHIOEXCHANGE * move one medium from element #1 to element #2, * and another one from element #2 to element #3. * element #1 and #3 are allowed to be identical. */ struct changer_exchange { … }; #define CE_INVERT1 … #define CE_INVERT2 … /* * CHIOPOSITION * move the transport element (robot arm) to a specific element. */ struct changer_position { … }; #define CP_INVERT … /* * CHIOGSTATUS * get element status for all elements of a specific type */ struct changer_element_status { … }; #define CESTATUS_FULL … #define CESTATUS_IMPEXP … #define CESTATUS_EXCEPT … #define CESTATUS_ACCESS … #define CESTATUS_EXENAB … #define CESTATUS_INENAB … /* * CHIOGELEM * get more detailed status information for a single element */ struct changer_get_element { … }; /* flags */ #define CGE_ERRNO … #define CGE_INVERT … #define CGE_SRC … #define CGE_IDLUN … #define CGE_PVOLTAG … #define CGE_AVOLTAG … /* * CHIOSVOLTAG * set volume tag */ struct changer_set_voltag { … }; #define CSV_PVOLTAG … #define CSV_AVOLTAG … #define CSV_CLEARTAG … /* ioctls */ #define CHIOMOVE … #define CHIOEXCHANGE … #define CHIOPOSITION … #define CHIOGPICKER … #define CHIOSPICKER … #define CHIOGPARAMS … #define CHIOGSTATUS … #define CHIOGELEM … #define CHIOINITELEM … #define CHIOSVOLTAG … #define CHIOGVPARAMS … #endif /* _UAPI_LINUX_CHIO_H */
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