#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