ref: c11957a7915d355d80ff7e6a21721ba05441ca29
dir: /include/fis.h/
#pragma lib "libfis.a" #pragma src "/usr/inferno/libfis" /* ata errors */ enum { Emed = 1<<0, /* media error */ Enm = 1<<1, /* no media */ Eabrt = 1<<2, /* abort */ Emcr = 1<<3, /* media change request */ Eidnf = 1<<4, /* no user-accessible address */ Emc = 1<<5, /* media change */ Eunc = 1<<6, /* data error */ Ewp = 1<<6, /* write protect */ Eicrc = 1<<7, /* interface crc error */ Efatal = Eidnf|Eicrc, /* must sw reset */ }; /* ata status */ enum { ASerr = 1<<0, /* error */ ASdrq = 1<<3, /* request */ ASdf = 1<<5, /* fault */ ASdrdy = 1<<6, /* ready */ ASbsy = 1<<7, /* busy */ ASobs = 1<<1|1<<2|1<<4, }; enum { /* fis types */ H2dev = 0x27, D2host = 0x34, /* fis flags bits */ Fiscmd = 0x80, /* ata bits */ Ataobs = 0xa0, Atalba = 0x40, /* nominal fis size (fits any fis) */ Fissize = 0x20, }; /* sata device-to-host (0x27) fis layout */ enum { Ftype, Fflags, Fcmd, Ffeat, Flba0, Flba8, Flba16, Fdev, Flba24, Flba32, Flba40, Ffeat8, Fsc, Fsc8, Ficc, /* isochronous cmd completion */ Fcontrol, }; /* sata host-to-device fis (0x34) differences */ enum{ Fioport = 1, Fstatus, Frerror, }; /* ata protcol type */ enum{ Pnd = 0<<0, /* data direction */ Pin = 1<<0, Pout = 2<<0, Pdatam = 3<<0, Ppio = 1<<2, /* ata protocol */ Pdma = 2<<2, Pdmq = 3<<2, Preset = 4<<2, Pdiag = 5<<2, Ppkt = 6<<2, Pprotom = 7<<2, P48 = 0<<5, /* command “size” */ P28 = 1<<5, Pcmdszm = 1<<5, Pssn = 0<<6, /* sector size */ P512 = 1<<6, Pssm = 1<<6, }; typedef struct Sfis Sfis; struct Sfis { ushort feat; uchar udma; uchar speeds; uint sig; uint lsectsz; uint physshift; /* log2(log/phys) */ uint physalign; /* location of lba0 within phys0 */ uint c; /* disgusting, no? */ uint h; uint s; }; enum { Dlba = 1<<0, /* required for sata */ Dllba = 1<<1, Dsmart = 1<<2, Dpower = 1<<3, Dnop = 1<<4, Datapi = 1<<5, Datapi16= 1<<6, Data8 = 1<<7, Dsct = 1<<8, Dnflag = 9, }; enum { Pspinup = 1<<0, Pidready = 1<<1, }; void setfissig(Sfis*, uint); int txmodefis(Sfis*, uchar*, uchar); int atapirwfis(Sfis*, uchar*, uchar*, int, int); int featfis(Sfis*, uchar*, uchar); int flushcachefis(Sfis*, uchar*); int identifyfis(Sfis*, uchar*); int nopfis(Sfis*, uchar*, int); int rwfis(Sfis*, uchar*, int, int, uvlong); void skelfis(uchar*); void sigtofis(Sfis*, uchar*); uvlong fisrw(Sfis*, uchar*, int*); void idmove(char*, ushort*, int); vlong idfeat(Sfis*, ushort*); uvlong idwwn(Sfis*, ushort*); int idss(Sfis*, ushort*); int idpuis(ushort*); ushort id16(ushort*, int); uint id32(ushort*, int); uvlong id64(ushort*, int); char *pflag(char*, char*, Sfis*); uint fistosig(uchar*); /* scsi */ typedef struct Cfis Cfis; struct Cfis { uchar phyid; uchar encid[8]; uchar tsasaddr[8]; uchar ssasaddr[8]; uchar ict[2]; }; void smpskelframe(Cfis*, uchar*, int); uint sashash(uvlong); uchar *sasbhash(uchar*, uchar*);