[thirdparty/kernel/linux.git] / drivers / scsi / gdth_ioctl.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _GDTH_IOCTL_H
#define _GDTH_IOCTL_H

/* gdth_ioctl.h
 * $Id: gdth_ioctl.h,v 1.14 2004/02/19 15:43:15 achim Exp $
 */

/* IOCTLs */
#define GDTIOCTL_MASK       ('J'<<8)
#define GDTIOCTL_GENERAL    (GDTIOCTL_MASK | 0) /* general IOCTL */
#define GDTIOCTL_DRVERS     (GDTIOCTL_MASK | 1) /* get driver version */
#define GDTIOCTL_CTRTYPE    (GDTIOCTL_MASK | 2) /* get controller type */
#define GDTIOCTL_OSVERS     (GDTIOCTL_MASK | 3) /* get OS version */
#define GDTIOCTL_HDRLIST    (GDTIOCTL_MASK | 4) /* get host drive list */
#define GDTIOCTL_CTRCNT     (GDTIOCTL_MASK | 5) /* get controller count */
#define GDTIOCTL_LOCKDRV    (GDTIOCTL_MASK | 6) /* lock host drive */
#define GDTIOCTL_LOCKCHN    (GDTIOCTL_MASK | 7) /* lock channel */
#define GDTIOCTL_EVENT      (GDTIOCTL_MASK | 8) /* read controller events */
#define GDTIOCTL_SCSI       (GDTIOCTL_MASK | 9) /* SCSI command */
#define GDTIOCTL_RESET_BUS  (GDTIOCTL_MASK |10) /* reset SCSI bus */
#define GDTIOCTL_RESCAN     (GDTIOCTL_MASK |11) /* rescan host drives */
#define GDTIOCTL_RESET_DRV  (GDTIOCTL_MASK |12) /* reset (remote) drv. res. */

#define GDTIOCTL_MAGIC  0xaffe0004
#define EVENT_SIZE      294 
#define GDTH_MAXSG      32                      /* max. s/g elements */

#define MAX_LDRIVES     255                     /* max. log. drive count */
#ifdef GDTH_IOCTL_PROC
#define MAX_HDRIVES     100                     /* max. host drive count */
#else
#define MAX_HDRIVES     MAX_LDRIVES             /* max. host drive count */
#endif

/* scatter/gather element */
typedef struct {
    u32     sg_ptr;                         /* address */
    u32     sg_len;                         /* length */
} __attribute__((packed)) gdth_sg_str;

/* scatter/gather element - 64bit addresses */
typedef struct {
    u64     sg_ptr;                         /* address */
    u32     sg_len;                         /* length */
} __attribute__((packed)) gdth_sg64_str;

/* command structure */
typedef struct {
    u32     BoardNode;                      /* board node (always 0) */
    u32     CommandIndex;                   /* command number */
    u16      OpCode;                         /* the command (READ,..) */
    union {
        struct {
            u16      DeviceNo;               /* number of cache drive */
            u32     BlockNo;                /* block number */
            u32     BlockCnt;               /* block count */
            u32     DestAddr;               /* dest. addr. (if s/g: -1) */
            u32     sg_canz;                /* s/g element count */
            gdth_sg_str sg_lst[GDTH_MAXSG];     /* s/g list */
        } __attribute__((packed)) cache;                         /* cache service cmd. str. */
        struct {
            u16      DeviceNo;               /* number of cache drive */
            u64     BlockNo;                /* block number */
            u32     BlockCnt;               /* block count */
            u64     DestAddr;               /* dest. addr. (if s/g: -1) */
            u32     sg_canz;                /* s/g element count */
            gdth_sg64_str sg_lst[GDTH_MAXSG];   /* s/g list */
        } __attribute__((packed)) cache64;                       /* cache service cmd. str. */
        struct {
            u16      param_size;             /* size of p_param buffer */
            u32     subfunc;                /* IOCTL function */
            u32     channel;                /* device */
            u64     p_param;                /* buffer */
        } __attribute__((packed)) ioctl;                         /* IOCTL command structure */
        struct {
            u16      reserved;
            union {
                struct {
                    u32  msg_handle;        /* message handle */
                    u64  msg_addr;          /* message buffer address */
                } __attribute__((packed)) msg;
                u8       data[12];          /* buffer for rtc data, ... */
            } su;
        } __attribute__((packed)) screen;                        /* screen service cmd. str. */
        struct {
            u16      reserved;
            u32     direction;              /* data direction */
            u32     mdisc_time;             /* disc. time (0: no timeout)*/
            u32     mcon_time;              /* connect time(0: no to.) */
            u32     sdata;                  /* dest. addr. (if s/g: -1) */
            u32     sdlen;                  /* data length (bytes) */
            u32     clen;                   /* SCSI cmd. length(6,10,12) */
            u8      cmd[12];                /* SCSI command */
            u8      target;                 /* target ID */
            u8      lun;                    /* LUN */
            u8      bus;                    /* SCSI bus number */
            u8      priority;               /* only 0 used */
            u32     sense_len;              /* sense data length */
            u32     sense_data;             /* sense data addr. */
            u32     link_p;                 /* linked cmds (not supp.) */
            u32     sg_ranz;                /* s/g element count */
            gdth_sg_str sg_lst[GDTH_MAXSG];     /* s/g list */
        } __attribute__((packed)) raw;                           /* raw service cmd. struct. */
        struct {
            u16      reserved;
            u32     direction;              /* data direction */
            u32     mdisc_time;             /* disc. time (0: no timeout)*/
            u32     mcon_time;              /* connect time(0: no to.) */
            u64     sdata;                  /* dest. addr. (if s/g: -1) */
            u32     sdlen;                  /* data length (bytes) */
            u32     clen;                   /* SCSI cmd. length(6,..,16) */
            u8      cmd[16];                /* SCSI command */
            u8      target;                 /* target ID */
            u8      lun;                    /* LUN */
            u8      bus;                    /* SCSI bus number */
            u8      priority;               /* only 0 used */
            u32     sense_len;              /* sense data length */
            u64     sense_data;             /* sense data addr. */
            u32     sg_ranz;                /* s/g element count */
            gdth_sg64_str sg_lst[GDTH_MAXSG];   /* s/g list */
        } __attribute__((packed)) raw64;                         /* raw service cmd. struct. */
    } u;
    /* additional variables */
    u8      Service;                        /* controller service */
    u8      reserved;
    u16      Status;                         /* command result */
    u32     Info;                           /* additional information */
    void        *RequestBuffer;                 /* request buffer */
} __attribute__((packed)) gdth_cmd_str;

/* controller event structure */
#define ES_ASYNC    1
#define ES_DRIVER   2
#define ES_TEST     3
#define ES_SYNC     4
typedef struct {
    u16                  size;               /* size of structure */
    union {
        char                stream[16];
        struct {
            u16          ionode;
            u16          service;
            u32         index;
        } __attribute__((packed)) driver;
        struct {
            u16          ionode;
            u16          service;
            u16          status;
            u32         info;
            u8          scsi_coord[3];
        } __attribute__((packed)) async;
        struct {
            u16          ionode;
            u16          service;
            u16          status;
            u32         info;
            u16          hostdrive;
            u8          scsi_coord[3];
            u8          sense_key;
        } __attribute__((packed)) sync;
        struct {
            u32         l1, l2, l3, l4;
        } __attribute__((packed)) test;
    } eu;
    u32                 severity;
    u8                  event_string[256];          
} __attribute__((packed)) gdth_evt_data;

typedef struct {
    u32         first_stamp;
    u32         last_stamp;
    u16          same_count;
    u16          event_source;
    u16          event_idx;
    u8          application;
    u8          reserved;
    gdth_evt_data   event_data;
} __attribute__((packed)) gdth_evt_str;


#ifdef GDTH_IOCTL_PROC
/* IOCTL structure (write) */
typedef struct {
    u32                 magic;              /* IOCTL magic */
    u16                  ioctl;              /* IOCTL */
    u16                  ionode;             /* controller number */
    u16                  service;            /* controller service */
    u16                  timeout;            /* timeout */
    union {
        struct {
            u8          command[512];       /* controller command */
            u8          data[1];            /* add. data */
        } general;
        struct {
            u8          lock;               /* lock/unlock */
            u8          drive_cnt;          /* drive count */
            u16          drives[MAX_HDRIVES];/* drives */
        } lockdrv;
        struct {
            u8          lock;               /* lock/unlock */
            u8          channel;            /* channel */
        } lockchn;
        struct {
            int             erase;              /* erase event ? */
            int             handle;
            u8          evt[EVENT_SIZE];    /* event structure */
        } event;
        struct {
            u8          bus;                /* SCSI bus */
            u8          target;             /* target ID */
            u8          lun;                /* LUN */
            u8          cmd_len;            /* command length */
            u8          cmd[12];            /* SCSI command */
        } scsi;
        struct {
            u16          hdr_no;             /* host drive number */
            u8          flag;               /* old meth./add/remove */
        } rescan;
    } iu;
} gdth_iowr_str;

/* IOCTL structure (read) */
typedef struct {
    u32                 size;               /* buffer size */
    u32                 status;             /* IOCTL error code */
    union {
        struct {
            u8          data[1];            /* data */
        } general;
        struct {
            u16          version;            /* driver version */
        } drvers;
        struct {
            u8          type;               /* controller type */
            u16          info;               /* slot etc. */
            u16          oem_id;             /* OEM ID */
            u16          bios_ver;           /* not used */
            u16          access;             /* not used */
            u16          ext_type;           /* extended type */
            u16          device_id;          /* device ID */
            u16          sub_device_id;      /* sub device ID */
        } ctrtype;
        struct {
            u8          version;            /* OS version */
            u8          subversion;         /* OS subversion */
            u16          revision;           /* revision */
        } osvers;
        struct {
            u16          count;              /* controller count */
        } ctrcnt;
        struct {
            int             handle;
            u8          evt[EVENT_SIZE];    /* event structure */
        } event;
        struct {
            u8          bus;                /* SCSI bus, 0xff: invalid */
            u8          target;             /* target ID */
            u8          lun;                /* LUN */
            u8          cluster_type;       /* cluster properties */
        } hdr_list[MAX_HDRIVES];                /* index is host drive number */
    } iu;
} gdth_iord_str;
#endif

/* GDTIOCTL_GENERAL */
typedef struct {
    u16 ionode;                              /* controller number */
    u16 timeout;                             /* timeout */
    u32 info;                               /* error info */ 
    u16 status;                              /* status */
    unsigned long data_len;                             /* data buffer size */
    unsigned long sense_len;                            /* sense buffer size */
    gdth_cmd_str command;                       /* command */                   
} gdth_ioctl_general;

/* GDTIOCTL_LOCKDRV */
typedef struct {
    u16 ionode;                              /* controller number */
    u8 lock;                                /* lock/unlock */
    u8 drive_cnt;                           /* drive count */
    u16 drives[MAX_HDRIVES];                 /* drives */
} gdth_ioctl_lockdrv;

/* GDTIOCTL_LOCKCHN */
typedef struct {
    u16 ionode;                              /* controller number */
    u8 lock;                                /* lock/unlock */
    u8 channel;                             /* channel */
} gdth_ioctl_lockchn;

/* GDTIOCTL_OSVERS */
typedef struct {
    u8 version;                             /* OS version */
    u8 subversion;                          /* OS subversion */
    u16 revision;                            /* revision */
} gdth_ioctl_osvers;

/* GDTIOCTL_CTRTYPE */
typedef struct {
    u16 ionode;                              /* controller number */
    u8 type;                                /* controller type */
    u16 info;                                /* slot etc. */
    u16 oem_id;                              /* OEM ID */
    u16 bios_ver;                            /* not used */
    u16 access;                              /* not used */
    u16 ext_type;                            /* extended type */
    u16 device_id;                           /* device ID */
    u16 sub_device_id;                       /* sub device ID */
} gdth_ioctl_ctrtype;

/* GDTIOCTL_EVENT */
typedef struct {
    u16 ionode;
    int erase;                                  /* erase event? */
    int handle;                                 /* event handle */
    gdth_evt_str event;
} gdth_ioctl_event;

/* GDTIOCTL_RESCAN/GDTIOCTL_HDRLIST */
typedef struct {
    u16 ionode;                              /* controller number */
    u8 flag;                                /* add/remove */
    u16 hdr_no;                              /* drive no. */
    struct {
        u8 bus;                             /* SCSI bus */
        u8 target;                          /* target ID */
        u8 lun;                             /* LUN */
        u8 cluster_type;                    /* cluster properties */
    } hdr_list[MAX_HDRIVES];                    /* index is host drive number */
} gdth_ioctl_rescan;

/* GDTIOCTL_RESET_BUS/GDTIOCTL_RESET_DRV */
typedef struct {
    u16 ionode;                              /* controller number */
    u16 number;                              /* bus/host drive number */
    u16 status;                              /* status */
} gdth_ioctl_reset;

#endif
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
1da177e4 LT	2	#ifndef _GDTH_IOCTL_H
	3	#define _GDTH_IOCTL_H
	4
	5	/* gdth_ioctl.h
	6	* $Id: gdth_ioctl.h,v 1.14 2004/02/19 15:43:15 achim Exp $
	7	*/
	8
	9	/* IOCTLs */
	10	#define GDTIOCTL_MASK ('J'<<8)
	11	#define GDTIOCTL_GENERAL (GDTIOCTL_MASK \| 0) /* general IOCTL */
	12	#define GDTIOCTL_DRVERS (GDTIOCTL_MASK \| 1) /* get driver version */
	13	#define GDTIOCTL_CTRTYPE (GDTIOCTL_MASK \| 2) /* get controller type */
	14	#define GDTIOCTL_OSVERS (GDTIOCTL_MASK \| 3) /* get OS version */
	15	#define GDTIOCTL_HDRLIST (GDTIOCTL_MASK \| 4) /* get host drive list */
	16	#define GDTIOCTL_CTRCNT (GDTIOCTL_MASK \| 5) /* get controller count */
	17	#define GDTIOCTL_LOCKDRV (GDTIOCTL_MASK \| 6) /* lock host drive */
	18	#define GDTIOCTL_LOCKCHN (GDTIOCTL_MASK \| 7) /* lock channel */
	19	#define GDTIOCTL_EVENT (GDTIOCTL_MASK \| 8) /* read controller events */
	20	#define GDTIOCTL_SCSI (GDTIOCTL_MASK \| 9) /* SCSI command */
	21	#define GDTIOCTL_RESET_BUS (GDTIOCTL_MASK \|10) /* reset SCSI bus */
	22	#define GDTIOCTL_RESCAN (GDTIOCTL_MASK \|11) /* rescan host drives */
	23	#define GDTIOCTL_RESET_DRV (GDTIOCTL_MASK \|12) /* reset (remote) drv. res. */
	24
	25	#define GDTIOCTL_MAGIC 0xaffe0004
	26	#define EVENT_SIZE 294
	27	#define GDTH_MAXSG 32 /* max. s/g elements */
	28
	29	#define MAX_LDRIVES 255 /* max. log. drive count */
	30	#ifdef GDTH_IOCTL_PROC
	31	#define MAX_HDRIVES 100 /* max. host drive count */
	32	#else
	33	#define MAX_HDRIVES MAX_LDRIVES /* max. host drive count */
	34	#endif
	35
1da177e4 LT	36	/* scatter/gather element */
1da177e4 LT	37	typedef struct {
1fe6dbf4 DJ	38	u32 sg_ptr; /* address */
	39	u32 sg_len; /* length */
	40	} __attribute__((packed)) gdth_sg_str;
1da177e4 LT	41
	42	/* scatter/gather element - 64bit addresses */
	43	typedef struct {
1fe6dbf4 DJ	44	u64 sg_ptr; /* address */
	45	u32 sg_len; /* length */
	46	} __attribute__((packed)) gdth_sg64_str;
1da177e4 LT	47
	48	/* command structure */
	49	typedef struct {
1fe6dbf4 DJ	50	u32 BoardNode; /* board node (always 0) */
	51	u32 CommandIndex; /* command number */
	52	u16 OpCode; /* the command (READ,..) */
1da177e4 LT	53	union {
1da177e4 LT	54	struct {
1fe6dbf4 DJ	55	u16 DeviceNo; /* number of cache drive */
	56	u32 BlockNo; /* block number */
	57	u32 BlockCnt; /* block count */
	58	u32 DestAddr; /* dest. addr. (if s/g: -1) */
	59	u32 sg_canz; /* s/g element count */
1da177e4	60	gdth_sg_str sg_lst[GDTH_MAXSG]; /* s/g list */
1fe6dbf4	61	} __attribute__((packed)) cache; /* cache service cmd. str. */
1da177e4	62	struct {
1fe6dbf4 DJ	63	u16 DeviceNo; /* number of cache drive */
	64	u64 BlockNo; /* block number */
	65	u32 BlockCnt; /* block count */
	66	u64 DestAddr; /* dest. addr. (if s/g: -1) */
	67	u32 sg_canz; /* s/g element count */
1da177e4	68	gdth_sg64_str sg_lst[GDTH_MAXSG]; /* s/g list */
1fe6dbf4	69	} __attribute__((packed)) cache64; /* cache service cmd. str. */
1da177e4	70	struct {
1fe6dbf4 DJ	71	u16 param_size; /* size of p_param buffer */
	72	u32 subfunc; /* IOCTL function */
	73	u32 channel; /* device */
	74	u64 p_param; /* buffer */
	75	} __attribute__((packed)) ioctl; /* IOCTL command structure */
1da177e4	76	struct {
1fe6dbf4	77	u16 reserved;
1da177e4 LT	78	union {
1da177e4 LT	79	struct {
1fe6dbf4 DJ	80	u32 msg_handle; /* message handle */
	81	u64 msg_addr; /* message buffer address */
	82	} __attribute__((packed)) msg;
	83	u8 data[12]; /* buffer for rtc data, ... */
1da177e4	84	} su;
1fe6dbf4	85	} __attribute__((packed)) screen; /* screen service cmd. str. */
1da177e4	86	struct {
1fe6dbf4 DJ	87	u16 reserved;
	88	u32 direction; /* data direction */
	89	u32 mdisc_time; /* disc. time (0: no timeout)*/
	90	u32 mcon_time; /* connect time(0: no to.) */
	91	u32 sdata; /* dest. addr. (if s/g: -1) */
	92	u32 sdlen; /* data length (bytes) */
	93	u32 clen; /* SCSI cmd. length(6,10,12) */
	94	u8 cmd[12]; /* SCSI command */
	95	u8 target; /* target ID */
	96	u8 lun; /* LUN */
	97	u8 bus; /* SCSI bus number */
	98	u8 priority; /* only 0 used */
	99	u32 sense_len; /* sense data length */
	100	u32 sense_data; /* sense data addr. */
	101	u32 link_p; /* linked cmds (not supp.) */
	102	u32 sg_ranz; /* s/g element count */
1da177e4	103	gdth_sg_str sg_lst[GDTH_MAXSG]; /* s/g list */
1fe6dbf4	104	} __attribute__((packed)) raw; /* raw service cmd. struct. */
1da177e4	105	struct {
1fe6dbf4 DJ	106	u16 reserved;
	107	u32 direction; /* data direction */
	108	u32 mdisc_time; /* disc. time (0: no timeout)*/
	109	u32 mcon_time; /* connect time(0: no to.) */
	110	u64 sdata; /* dest. addr. (if s/g: -1) */
	111	u32 sdlen; /* data length (bytes) */
	112	u32 clen; /* SCSI cmd. length(6,..,16) */
	113	u8 cmd[16]; /* SCSI command */
	114	u8 target; /* target ID */
	115	u8 lun; /* LUN */
	116	u8 bus; /* SCSI bus number */
	117	u8 priority; /* only 0 used */
	118	u32 sense_len; /* sense data length */
	119	u64 sense_data; /* sense data addr. */
	120	u32 sg_ranz; /* s/g element count */
1da177e4	121	gdth_sg64_str sg_lst[GDTH_MAXSG]; /* s/g list */
1fe6dbf4	122	} __attribute__((packed)) raw64; /* raw service cmd. struct. */
1da177e4 LT	123	} u;
1da177e4 LT	124	/* additional variables */
1fe6dbf4 DJ	125	u8 Service; /* controller service */
	126	u8 reserved;
	127	u16 Status; /* command result */
	128	u32 Info; /* additional information */
1da177e4	129	void RequestBuffer; / request buffer */
1fe6dbf4	130	} __attribute__((packed)) gdth_cmd_str;
1da177e4 LT	131
	132	/* controller event structure */
	133	#define ES_ASYNC 1
	134	#define ES_DRIVER 2
	135	#define ES_TEST 3
	136	#define ES_SYNC 4
	137	typedef struct {
1fe6dbf4	138	u16 size; /* size of structure */
1da177e4 LT	139	union {
	140	char stream[16];
	141	struct {
1fe6dbf4 DJ	142	u16 ionode;
	143	u16 service;
	144	u32 index;
	145	} __attribute__((packed)) driver;
1da177e4	146	struct {
1fe6dbf4 DJ	147	u16 ionode;
	148	u16 service;
	149	u16 status;
	150	u32 info;
	151	u8 scsi_coord[3];
	152	} __attribute__((packed)) async;
1da177e4	153	struct {
1fe6dbf4 DJ	154	u16 ionode;
	155	u16 service;
	156	u16 status;
	157	u32 info;
	158	u16 hostdrive;
	159	u8 scsi_coord[3];
	160	u8 sense_key;
	161	} __attribute__((packed)) sync;
1da177e4	162	struct {
1fe6dbf4 DJ	163	u32 l1, l2, l3, l4;
1fe6dbf4 DJ	164	} __attribute__((packed)) test;
1da177e4	165	} eu;
1fe6dbf4 DJ	166	u32 severity;
	167	u8 event_string[256];
	168	} __attribute__((packed)) gdth_evt_data;
1da177e4 LT	169
1da177e4 LT	170	typedef struct {
1fe6dbf4 DJ	171	u32 first_stamp;
	172	u32 last_stamp;
	173	u16 same_count;
	174	u16 event_source;
	175	u16 event_idx;
	176	u8 application;
	177	u8 reserved;
1da177e4	178	gdth_evt_data event_data;
1fe6dbf4	179	} __attribute__((packed)) gdth_evt_str;
1da177e4 LT	180
	181
	182	#ifdef GDTH_IOCTL_PROC
	183	/* IOCTL structure (write) */
	184	typedef struct {
1fe6dbf4 DJ	185	u32 magic; /* IOCTL magic */
	186	u16 ioctl; /* IOCTL */
	187	u16 ionode; /* controller number */
	188	u16 service; /* controller service */
	189	u16 timeout; /* timeout */
1da177e4 LT	190	union {
1da177e4 LT	191	struct {
1fe6dbf4 DJ	192	u8 command[512]; /* controller command */
1fe6dbf4 DJ	193	u8 data[1]; /* add. data */
1da177e4 LT	194	} general;
1da177e4 LT	195	struct {
1fe6dbf4 DJ	196	u8 lock; /* lock/unlock */
	197	u8 drive_cnt; /* drive count */
	198	u16 drives[MAX_HDRIVES];/* drives */
1da177e4 LT	199	} lockdrv;
1da177e4 LT	200	struct {
1fe6dbf4 DJ	201	u8 lock; /* lock/unlock */
1fe6dbf4 DJ	202	u8 channel; /* channel */
1da177e4 LT	203	} lockchn;
	204	struct {
	205	int erase; /* erase event ? */
	206	int handle;
1fe6dbf4	207	u8 evt[EVENT_SIZE]; /* event structure */
1da177e4 LT	208	} event;
1da177e4 LT	209	struct {
1fe6dbf4 DJ	210	u8 bus; /* SCSI bus */
	211	u8 target; /* target ID */
	212	u8 lun; /* LUN */
	213	u8 cmd_len; /* command length */
	214	u8 cmd[12]; /* SCSI command */
1da177e4 LT	215	} scsi;
1da177e4 LT	216	struct {
1fe6dbf4 DJ	217	u16 hdr_no; /* host drive number */
1fe6dbf4 DJ	218	u8 flag; /* old meth./add/remove */
1da177e4 LT	219	} rescan;
	220	} iu;
	221	} gdth_iowr_str;
	222
	223	/* IOCTL structure (read) */
	224	typedef struct {
1fe6dbf4 DJ	225	u32 size; /* buffer size */
1fe6dbf4 DJ	226	u32 status; /* IOCTL error code */
1da177e4 LT	227	union {
1da177e4 LT	228	struct {
1fe6dbf4	229	u8 data[1]; /* data */
1da177e4 LT	230	} general;
1da177e4 LT	231	struct {
1fe6dbf4	232	u16 version; /* driver version */
1da177e4 LT	233	} drvers;
1da177e4 LT	234	struct {
1fe6dbf4 DJ	235	u8 type; /* controller type */
	236	u16 info; /* slot etc. */
	237	u16 oem_id; /* OEM ID */
	238	u16 bios_ver; /* not used */
	239	u16 access; /* not used */
	240	u16 ext_type; /* extended type */
	241	u16 device_id; /* device ID */
	242	u16 sub_device_id; /* sub device ID */
1da177e4 LT	243	} ctrtype;
1da177e4 LT	244	struct {
1fe6dbf4 DJ	245	u8 version; /* OS version */
	246	u8 subversion; /* OS subversion */
	247	u16 revision; /* revision */
1da177e4 LT	248	} osvers;
1da177e4 LT	249	struct {
1fe6dbf4	250	u16 count; /* controller count */
1da177e4 LT	251	} ctrcnt;
	252	struct {
	253	int handle;
1fe6dbf4	254	u8 evt[EVENT_SIZE]; /* event structure */
1da177e4 LT	255	} event;
1da177e4 LT	256	struct {
1fe6dbf4 DJ	257	u8 bus; /* SCSI bus, 0xff: invalid */
	258	u8 target; /* target ID */
	259	u8 lun; /* LUN */
	260	u8 cluster_type; /* cluster properties */
1da177e4 LT	261	} hdr_list[MAX_HDRIVES]; /* index is host drive number */
	262	} iu;
	263	} gdth_iord_str;
	264	#endif
	265
	266	/* GDTIOCTL_GENERAL */
	267	typedef struct {
1fe6dbf4 DJ	268	u16 ionode; /* controller number */
	269	u16 timeout; /* timeout */
	270	u32 info; /* error info */
	271	u16 status; /* status */
	272	unsigned long data_len; /* data buffer size */
	273	unsigned long sense_len; /* sense buffer size */
1da177e4 LT	274	gdth_cmd_str command; /* command */
	275	} gdth_ioctl_general;
	276
	277	/* GDTIOCTL_LOCKDRV */
	278	typedef struct {
1fe6dbf4 DJ	279	u16 ionode; /* controller number */
	280	u8 lock; /* lock/unlock */
	281	u8 drive_cnt; /* drive count */
	282	u16 drives[MAX_HDRIVES]; /* drives */
1da177e4 LT	283	} gdth_ioctl_lockdrv;
	284
	285	/* GDTIOCTL_LOCKCHN */
	286	typedef struct {
1fe6dbf4 DJ	287	u16 ionode; /* controller number */
	288	u8 lock; /* lock/unlock */
	289	u8 channel; /* channel */
1da177e4 LT	290	} gdth_ioctl_lockchn;
	291
	292	/* GDTIOCTL_OSVERS */
	293	typedef struct {
1fe6dbf4 DJ	294	u8 version; /* OS version */
	295	u8 subversion; /* OS subversion */
	296	u16 revision; /* revision */
1da177e4 LT	297	} gdth_ioctl_osvers;
	298
	299	/* GDTIOCTL_CTRTYPE */
	300	typedef struct {
1fe6dbf4 DJ	301	u16 ionode; /* controller number */
	302	u8 type; /* controller type */
	303	u16 info; /* slot etc. */
	304	u16 oem_id; /* OEM ID */
	305	u16 bios_ver; /* not used */
	306	u16 access; /* not used */
	307	u16 ext_type; /* extended type */
	308	u16 device_id; /* device ID */
	309	u16 sub_device_id; /* sub device ID */
1da177e4 LT	310	} gdth_ioctl_ctrtype;
	311
	312	/* GDTIOCTL_EVENT */
	313	typedef struct {
1fe6dbf4	314	u16 ionode;
1da177e4 LT	315	int erase; /* erase event? */
	316	int handle; /* event handle */
	317	gdth_evt_str event;
	318	} gdth_ioctl_event;
	319
	320	/* GDTIOCTL_RESCAN/GDTIOCTL_HDRLIST */
	321	typedef struct {
1fe6dbf4 DJ	322	u16 ionode; /* controller number */
	323	u8 flag; /* add/remove */
	324	u16 hdr_no; /* drive no. */
1da177e4	325	struct {
1fe6dbf4 DJ	326	u8 bus; /* SCSI bus */
	327	u8 target; /* target ID */
	328	u8 lun; /* LUN */
	329	u8 cluster_type; /* cluster properties */
1da177e4 LT	330	} hdr_list[MAX_HDRIVES]; /* index is host drive number */
	331	} gdth_ioctl_rescan;
	332
	333	/* GDTIOCTL_RESET_BUS/GDTIOCTL_RESET_DRV */
	334	typedef struct {
1fe6dbf4 DJ	335	u16 ionode; /* controller number */
	336	u16 number; /* bus/host drive number */
	337	u16 status; /* status */
1da177e4 LT	338	} gdth_ioctl_reset;
	339
	340	#endif