[mirror_ubuntu-artful-kernel.git] / drivers / scsi / gdth_ioctl.h

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