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/* 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
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