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Diffstat (limited to 'sanei/os2_srb.h')
| -rw-r--r-- | sanei/os2_srb.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/sanei/os2_srb.h b/sanei/os2_srb.h new file mode 100644 index 0000000..d04cf74 --- /dev/null +++ b/sanei/os2_srb.h @@ -0,0 +1,156 @@ +/*************************************************************************** + * * + * ASPI Router Library * + * * + * This is a sample library which shows how to send SRB's to the * + * ASPI Router device driver. USE AT YOUR OWN RISK!! * + * * + * Version 1.01 - June 1997 * + * Daniel Dorau (woodst@cs.tu-berlin.de) * + * * + * Changes since 1.00: * + * abort(), AbortSRB added * + * * + ***************************************************************************/ + +#pragma pack(1) + + /* SRB command */ +#define SRB_Inquiry 0x00 +#define SRB_Device 0x01 +#define SRB_Command 0x02 +#define SRB_Abort 0x03 +#define SRB_Reset 0x04 +#define SRB_Param 0x05 + + /* SRB status */ +#define SRB_Busy 0x00 /* SCSI request in progress */ +#define SRB_Done 0x01 /* SCSI request completed without error */ +#define SRB_Aborted 0x02 /* SCSI aborted by host */ +#define SRB_BadAbort 0x03 /* Unable to abort SCSI request */ +#define SRB_Error 0x04 /* SCSI request completed with error */ +#define SRB_BusyPost 0x10 /* SCSI request in progress with POST - Nokia */ +#define SRB_InvalidCmd 0x80 /* Invalid SCSI request */ +#define SRB_InvalidHA 0x81 /* Invalid Hhost adapter number */ +#define SRB_BadDevice 0x82 /* SCSI device not installed */ + + /* SRB flags */ +#define SRB_Post 0x01 /* Post vector valid */ +#define SRB_Link 0x02 /* Link vector valid */ +#define SRB_SG 0x04 /* Nokia: scatter/gather */ + /* S/G: n * (4 bytes length, 4 bytes addr) */ + /* No of s/g items not limited by HA spec. */ +#define SRB_NoCheck 0x00 /* determined by command, not checked */ +#define SRB_Read 0x08 /* target to host, length checked */ +#define SRB_Write 0x10 /* host to target, length checked */ +#define SRB_NoTransfer 0x18 /* no data transfer */ +#define SRB_DirMask 0x18 /* bit mask */ + + /* SRB host adapter status */ +#define SRB_NoError 0x00 /* No host adapter detected error */ +#define SRB_Timeout 0x11 /* Selection timeout */ +#define SRB_DataLength 0x12 /* Data over/underrun */ +#define SRB_BusFree 0x13 /* Unexpected bus free */ +#define SRB_BusSequence 0x14 /* Target bus sequence failure */ + + /* SRB target status field */ +#define SRB_NoStatus 0x00 /* No target status */ +#define SRB_CheckStatus 0x02 /* Check status (sense data valid) */ +#define SRB_LUN_Busy 0x08 /* Specified LUN is busy */ +#define SRB_Reserved 0x18 /* Reservation conflict */ + +#define MaxCDBStatus 64 /* max size of CDB + status */ + +typedef struct SRB SRB; +struct SRB { + unsigned char cmd, /* 00 */ + status, /* 01 */ + ha_num, /* 02 */ + flags; /* 03 */ + unsigned long res_04_07; /* 04..07 */ + union { /* 08 */ + + /* SRB_Inquiry */ + struct { + unsigned char num_ha, /* 08 */ + ha_target, /* 09 */ + aspimgr_id[16], /* 0A..19 */ + host_id[16], /* 1A..29 */ + unique_id[16]; /* 2A..39 */ + } inq; + + /* SRB_Device */ + struct { + unsigned char target, /* 08 */ + lun, /* 09 */ + devtype; /* 0A */ + } dev; + + /* SRB_Command */ + struct { + unsigned char target, /* 08 */ + lun; /* 09 */ + unsigned long data_len; /* 0A..0D */ + unsigned char sense_len; /* 0E */ + void * _Seg16 data_ptr; /* 0F..12 */ + void * _Seg16 link_ptr; /* 13..16 */ + unsigned char cdb_len, /* 17 */ + ha_status, /* 18 */ + target_status; /* 19 */ + void (* _Seg16 post) (SRB *); /* 1A..1D */ + unsigned char res_1E_29[12]; /* 1E..29 */ + unsigned char res_2A_3F[22]; /* 2A..3F */ + unsigned char cdb_st[64]; /* 40..7F CDB+status */ + unsigned char res_80_BF[64]; /* 80..BF */ + } cmd; + + /* SRB_Abort */ + struct { + void * _Seg16 srb; /* 08..0B */ + } abt; + + /* SRB_Reset */ + struct { + unsigned char target, /* 08 */ + lun, /* 09 */ + res_0A_17[14], /* 0A..17 */ + ha_status, /* 18 */ + target_status; /* 19 */ + } res; + + /* SRB_Param - unused by ASPI4OS2 */ + struct { + unsigned char unique[16]; /* 08..17 */ + } par; + + } u; +}; + + +/* SCSI sense codes */ +/* Note! This list may not be complete. I did this compilation for use with tape drives.*/ + +#define Sense_Current 0x70; /* Current Error */ +#define Sense_Deferred 0x71; /* Deferred Error */ +#define Sense_Filemark 0x80; /* Filemark detected */ +#define Sense_EOM 0x40; /* End of medium detected */ +#define Sense_ILI 0x20; /* Incorrect length indicator */ + +/* Sense Keys */ + +#define SK_NoSense 0x00; /* No Sense */ +#define SK_RcvrdErr 0x01; /* Recovered Error */ +#define SK_NotReady 0x02; /* Not ready */ +#define SK_MedErr 0x03; /* Medium Error */ +#define SK_HWErr 0x04; /* Hardware Error */ +#define SK_IllReq 0x05; /* Illegal Request */ +#define SK_UnitAtt 0x06; /* Unit attention */ +#define SK_DataProt 0x07: /* Data Protect */ +#define SK_BlankChk 0x08: /* Blank Check */ +#define SK_VndSpec 0x09; /* Vendor Specific */ +#define SK_CopyAbort 0x0A; /* Copy Aborted */ +#define SK_AbtdCmd 0x0B; /* Aborted Command */ +#define SK_Equal 0x0C; /* Equal */ +#define SK_VolOvfl 0x0D; /* Volume Overflow */ +#define SK_MisComp 0x0E; /* Miscompare */ +#define SK_Reserved 0x0F; /* Reserved */ |