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#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
/* typedefs */
#ifdef __KERNEL__
typedef u32 ulong32;
typedef u64 ulong64;
#endif
#define PACKED __attribute__((packed))
/* scatter/gather element */
typedef struct {
ulong32 sg_ptr; /* address */
ulong32 sg_len; /* length */
} PACKED gdth_sg_str;
/* scatter/gather element - 64bit addresses */
typedef struct {
ulong64 sg_ptr; /* address */
ulong32 sg_len; /* length */
} PACKED gdth_sg64_str;
/* command structure */
typedef struct {
ulong32 BoardNode; /* board node (always 0) */
ulong32 CommandIndex; /* command number */
ushort OpCode; /* the command (READ,..) */
union {
struct {
ushort DeviceNo; /* number of cache drive */
ulong32 BlockNo; /* block number */
ulong32 BlockCnt; /* block count */
ulong32 DestAddr; /* dest. addr. (if s/g: -1) */
ulong32 sg_canz; /* s/g element count */
gdth_sg_str sg_lst[GDTH_MAXSG]; /* s/g list */
} PACKED cache; /* cache service cmd. str. */
struct {
ushort DeviceNo; /* number of cache drive */
ulong64 BlockNo; /* block number */
ulong32 BlockCnt; /* block count */
ulong64 DestAddr; /* dest. addr. (if s/g: -1) */
ulong32 sg_canz; /* s/g element count */
gdth_sg64_str sg_lst[GDTH_MAXSG]; /* s/g list */
} PACKED cache64; /* cache service cmd. str. */
struct {
ushort param_size; /* size of p_param buffer */
ulong32 subfunc; /* IOCTL function */
ulong32 channel; /* device */
ulong64 p_param; /* buffer */
} PACKED ioctl; /* IOCTL command structure */
struct {
ushort reserved;
union {
struct {
ulong32 msg_handle; /* message handle */
ulong64 msg_addr; /* message buffer address */
} PACKED msg;
unchar data[12]; /* buffer for rtc data, ... */
} su;
} PACKED screen; /* screen service cmd. str. */
struct {
ushort reserved;
ulong32 direction; /* data direction */
ulong32 mdisc_time; /* disc. time (0: no timeout)*/
ulong32 mcon_time; /* connect time(0: no to.) */
ulong32 sdata; /* dest. addr. (if s/g: -1) */
ulong32 sdlen; /* data length (bytes) */
ulong32 clen; /* SCSI cmd. length(6,10,12) */
unchar cmd[12]; /* SCSI command */
unchar target; /* target ID */
unchar lun; /* LUN */
unchar bus; /* SCSI bus number */
unchar priority; /* only 0 used */
ulong32 sense_len; /* sense data length */
ulong32 sense_data; /* sense data addr. */
ulong32 link_p; /* linked cmds (not supp.) */
ulong32 sg_ranz; /* s/g element count */
gdth_sg_str sg_lst[GDTH_MAXSG]; /* s/g list */
} PACKED raw; /* raw service cmd. struct. */
struct {
ushort reserved;
ulong32 direction; /* data direction */
ulong32 mdisc_time; /* disc. time (0: no timeout)*/
ulong32 mcon_time; /* connect time(0: no to.) */
ulong64 sdata; /* dest. addr. (if s/g: -1) */
ulong32 sdlen; /* data length (bytes) */
ulong32 clen; /* SCSI cmd. length(6,..,16) */
unchar cmd[16]; /* SCSI command */
unchar target; /* target ID */
unchar lun; /* LUN */
unchar bus; /* SCSI bus number */
unchar priority; /* only 0 used */
ulong32 sense_len; /* sense data length */
ulong64 sense_data; /* sense data addr. */
ulong32 sg_ranz; /* s/g element count */
gdth_sg64_str sg_lst[GDTH_MAXSG]; /* s/g list */
} PACKED raw64; /* raw service cmd. struct. */
} u;
/* additional variables */
unchar Service; /* controller service */
unchar reserved;
ushort Status; /* command result */
ulong32 Info; /* additional information */
void *RequestBuffer; /* request buffer */
} 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 {
ushort size; /* size of structure */
union {
char stream[16];
struct {
ushort ionode;
ushort service;
ulong32 index;
} PACKED driver;
struct {
ushort ionode;
ushort service;
ushort status;
ulong32 info;
unchar scsi_coord[3];
} PACKED async;
struct {
ushort ionode;
ushort service;
ushort status;
ulong32 info;
ushort hostdrive;
unchar scsi_coord[3];
unchar sense_key;
} PACKED sync;
struct {
ulong32 l1, l2, l3, l4;
} PACKED test;
} eu;
ulong32 severity;
unchar event_string[256];
} PACKED gdth_evt_data;
typedef struct {
ulong32 first_stamp;
ulong32 last_stamp;
ushort same_count;
ushort event_source;
ushort event_idx;
unchar application;
unchar reserved;
gdth_evt_data event_data;
} PACKED gdth_evt_str;
#ifdef GDTH_IOCTL_PROC
/* IOCTL structure (write) */
typedef struct {
ulong32 magic; /* IOCTL magic */
ushort ioctl; /* IOCTL */
ushort ionode; /* controller number */
ushort service; /* controller service */
ushort timeout; /* timeout */
union {
struct {
unchar command[512]; /* controller command */
unchar data[1]; /* add. data */
} general;
struct {
unchar lock; /* lock/unlock */
unchar drive_cnt; /* drive count */
ushort drives[MAX_HDRIVES];/* drives */
} lockdrv;
struct {
unchar lock; /* lock/unlock */
unchar channel; /* channel */
} lockchn;
struct {
int erase; /* erase event ? */
int handle;
unchar evt[EVENT_SIZE]; /* event structure */
} event;
struct {
unchar bus; /* SCSI bus */
unchar target; /* target ID */
unchar lun; /* LUN */
unchar cmd_len; /* command length */
unchar cmd[12]; /* SCSI command */
} scsi;
struct {
ushort hdr_no; /* host drive number */
unchar flag; /* old meth./add/remove */
} rescan;
} iu;
} gdth_iowr_str;
/* IOCTL structure (read) */
typedef struct {
ulong32 size; /* buffer size */
ulong32 status; /* IOCTL error code */
union {
struct {
unchar data[1]; /* data */
} general;
struct {
ushort version; /* driver version */
} drvers;
struct {
unchar type; /* controller type */
ushort info; /* slot etc. */
ushort oem_id; /* OEM ID */
ushort bios_ver; /* not used */
ushort access; /* not used */
ushort ext_type; /* extended type */
ushort device_id; /* device ID */
ushort sub_device_id; /* sub device ID */
} ctrtype;
struct {
unchar version; /* OS version */
unchar subversion; /* OS subversion */
ushort revision; /* revision */
} osvers;
struct {
ushort count; /* controller count */
} ctrcnt;
struct {
int handle;
unchar evt[EVENT_SIZE]; /* event structure */
} event;
struct {
unchar bus; /* SCSI bus, 0xff: invalid */
unchar target; /* target ID */
unchar lun; /* LUN */
unchar cluster_type; /* cluster properties */
} hdr_list[MAX_HDRIVES]; /* index is host drive number */
} iu;
} gdth_iord_str;
#endif
/* GDTIOCTL_GENERAL */
typedef struct {
ushort ionode; /* controller number */
ushort timeout; /* timeout */
ulong32 info; /* error info */
ushort status; /* status */
ulong data_len; /* data buffer size */
ulong sense_len; /* sense buffer size */
gdth_cmd_str command; /* command */
} gdth_ioctl_general;
/* GDTIOCTL_LOCKDRV */
typedef struct {
ushort ionode; /* controller number */
unchar lock; /* lock/unlock */
unchar drive_cnt; /* drive count */
ushort drives[MAX_HDRIVES]; /* drives */
} gdth_ioctl_lockdrv;
/* GDTIOCTL_LOCKCHN */
typedef struct {
ushort ionode; /* controller number */
unchar lock; /* lock/unlock */
unchar channel; /* channel */
} gdth_ioctl_lockchn;
/* GDTIOCTL_OSVERS */
typedef struct {
unchar version; /* OS version */
unchar subversion; /* OS subversion */
ushort revision; /* revision */
} gdth_ioctl_osvers;
/* GDTIOCTL_CTRTYPE */
typedef struct {
ushort ionode; /* controller number */
unchar type; /* controller type */
ushort info; /* slot etc. */
ushort oem_id; /* OEM ID */
ushort bios_ver; /* not used */
ushort access; /* not used */
ushort ext_type; /* extended type */
ushort device_id; /* device ID */
ushort sub_device_id; /* sub device ID */
} gdth_ioctl_ctrtype;
/* GDTIOCTL_EVENT */
typedef struct {
ushort ionode;
int erase; /* erase event? */
int handle; /* event handle */
gdth_evt_str event;
} gdth_ioctl_event;
/* GDTIOCTL_RESCAN/GDTIOCTL_HDRLIST */
typedef struct {
ushort ionode; /* controller number */
unchar flag; /* add/remove */
ushort hdr_no; /* drive no. */
struct {
unchar bus; /* SCSI bus */
unchar target; /* target ID */
unchar lun; /* LUN */
unchar cluster_type; /* cluster properties */
} hdr_list[MAX_HDRIVES]; /* index is host drive number */
} gdth_ioctl_rescan;
/* GDTIOCTL_RESET_BUS/GDTIOCTL_RESET_DRV */
typedef struct {
ushort ionode; /* controller number */
ushort number; /* bus/host drive number */
ushort status; /* status */
} gdth_ioctl_reset;
#endif
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