mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 20:53:53 +08:00
fe08ac3178
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
169 lines
5.2 KiB
C
169 lines
5.2 KiB
C
/*
|
|
* ioctl interface for the scsi media changer driver
|
|
*/
|
|
|
|
/* changer element types */
|
|
#define CHET_MT 0 /* media transport element (robot) */
|
|
#define CHET_ST 1 /* storage element (media slots) */
|
|
#define CHET_IE 2 /* import/export element */
|
|
#define CHET_DT 3 /* data transfer element (tape/cdrom/whatever) */
|
|
#define CHET_V1 4 /* vendor specific #1 */
|
|
#define CHET_V2 5 /* vendor specific #2 */
|
|
#define CHET_V3 6 /* vendor specific #3 */
|
|
#define CHET_V4 7 /* vendor specific #4 */
|
|
|
|
|
|
/*
|
|
* CHIOGPARAMS
|
|
* query changer properties
|
|
*
|
|
* CHIOVGPARAMS
|
|
* query vendor-specific element types
|
|
*
|
|
* accessing elements works by specifing type and unit of the element.
|
|
* for eample, storage elements are addressed with type = CHET_ST and
|
|
* unit = 0 .. cp_nslots-1
|
|
*
|
|
*/
|
|
struct changer_params {
|
|
int cp_curpicker; /* current transport element */
|
|
int cp_npickers; /* number of transport elements (CHET_MT) */
|
|
int cp_nslots; /* number of storage elements (CHET_ST) */
|
|
int cp_nportals; /* number of import/export elements (CHET_IE) */
|
|
int cp_ndrives; /* number of data transfer elements (CHET_DT) */
|
|
};
|
|
struct changer_vendor_params {
|
|
int cvp_n1; /* number of vendor specific elems (CHET_V1) */
|
|
char cvp_label1[16];
|
|
int cvp_n2; /* number of vendor specific elems (CHET_V2) */
|
|
char cvp_label2[16];
|
|
int cvp_n3; /* number of vendor specific elems (CHET_V3) */
|
|
char cvp_label3[16];
|
|
int cvp_n4; /* number of vendor specific elems (CHET_V4) */
|
|
char cvp_label4[16];
|
|
int reserved[8];
|
|
};
|
|
|
|
|
|
/*
|
|
* CHIOMOVE
|
|
* move a medium from one element to another
|
|
*/
|
|
struct changer_move {
|
|
int cm_fromtype; /* type/unit of source element */
|
|
int cm_fromunit;
|
|
int cm_totype; /* type/unit of destination element */
|
|
int cm_tounit;
|
|
int cm_flags;
|
|
};
|
|
#define CM_INVERT 1 /* flag: rotate media (for double-sided like MOD) */
|
|
|
|
|
|
/*
|
|
* 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 {
|
|
int ce_srctype; /* type/unit of element #1 */
|
|
int ce_srcunit;
|
|
int ce_fdsttype; /* type/unit of element #2 */
|
|
int ce_fdstunit;
|
|
int ce_sdsttype; /* type/unit of element #3 */
|
|
int ce_sdstunit;
|
|
int ce_flags;
|
|
};
|
|
#define CE_INVERT1 1
|
|
#define CE_INVERT2 2
|
|
|
|
|
|
/*
|
|
* CHIOPOSITION
|
|
* move the transport element (robot arm) to a specific element.
|
|
*/
|
|
struct changer_position {
|
|
int cp_type;
|
|
int cp_unit;
|
|
int cp_flags;
|
|
};
|
|
#define CP_INVERT 1
|
|
|
|
|
|
/*
|
|
* CHIOGSTATUS
|
|
* get element status for all elements of a specific type
|
|
*/
|
|
struct changer_element_status {
|
|
int ces_type;
|
|
unsigned char __user *ces_data;
|
|
};
|
|
#define CESTATUS_FULL 0x01 /* full */
|
|
#define CESTATUS_IMPEXP 0x02 /* media was imported (inserted by sysop) */
|
|
#define CESTATUS_EXCEPT 0x04 /* error condition */
|
|
#define CESTATUS_ACCESS 0x08 /* access allowed */
|
|
#define CESTATUS_EXENAB 0x10 /* element can export media */
|
|
#define CESTATUS_INENAB 0x20 /* element can import media */
|
|
|
|
|
|
/*
|
|
* CHIOGELEM
|
|
* get more detailed status informtion for a single element
|
|
*/
|
|
struct changer_get_element {
|
|
int cge_type; /* type/unit */
|
|
int cge_unit;
|
|
int cge_status; /* status */
|
|
int cge_errno; /* errno */
|
|
int cge_srctype; /* source element of the last move/exchange */
|
|
int cge_srcunit;
|
|
int cge_id; /* scsi id (for data transfer elements) */
|
|
int cge_lun; /* scsi lun (for data transfer elements) */
|
|
char cge_pvoltag[36]; /* primary volume tag */
|
|
char cge_avoltag[36]; /* alternate volume tag */
|
|
int cge_flags;
|
|
};
|
|
/* flags */
|
|
#define CGE_ERRNO 0x01 /* errno available */
|
|
#define CGE_INVERT 0x02 /* media inverted */
|
|
#define CGE_SRC 0x04 /* media src available */
|
|
#define CGE_IDLUN 0x08 /* ID+LUN available */
|
|
#define CGE_PVOLTAG 0x10 /* primary volume tag available */
|
|
#define CGE_AVOLTAG 0x20 /* alternate volume tag available */
|
|
|
|
|
|
/*
|
|
* CHIOSVOLTAG
|
|
* set volume tag
|
|
*/
|
|
struct changer_set_voltag {
|
|
int csv_type; /* type/unit */
|
|
int csv_unit;
|
|
char csv_voltag[36]; /* volume tag */
|
|
int csv_flags;
|
|
};
|
|
#define CSV_PVOLTAG 0x01 /* primary volume tag */
|
|
#define CSV_AVOLTAG 0x02 /* alternate volume tag */
|
|
#define CSV_CLEARTAG 0x04 /* clear volume tag */
|
|
|
|
/* ioctls */
|
|
#define CHIOMOVE _IOW('c', 1,struct changer_move)
|
|
#define CHIOEXCHANGE _IOW('c', 2,struct changer_exchange)
|
|
#define CHIOPOSITION _IOW('c', 3,struct changer_position)
|
|
#define CHIOGPICKER _IOR('c', 4,int) /* not impl. */
|
|
#define CHIOSPICKER _IOW('c', 5,int) /* not impl. */
|
|
#define CHIOGPARAMS _IOR('c', 6,struct changer_params)
|
|
#define CHIOGSTATUS _IOW('c', 8,struct changer_element_status)
|
|
#define CHIOGELEM _IOW('c',16,struct changer_get_element)
|
|
#define CHIOINITELEM _IO('c',17)
|
|
#define CHIOSVOLTAG _IOW('c',18,struct changer_set_voltag)
|
|
#define CHIOGVPARAMS _IOR('c',19,struct changer_vendor_params)
|
|
|
|
/* ---------------------------------------------------------------------- */
|
|
|
|
/*
|
|
* Local variables:
|
|
* c-basic-offset: 8
|
|
* End:
|
|
*/
|