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enum {
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BusCBUS = 0, /* Corollary CBUS */
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BusCBUSII, /* Corollary CBUS II */
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BusEISA, /* Extended ISA */
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BusFUTURE, /* IEEE Futurebus */
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BusINTERN, /* Internal bus */
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BusISA, /* Industry Standard Architecture */
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BusMBI, /* Multibus I */
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BusMBII, /* Multibus II */
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BusMCA, /* Micro Channel Architecture */
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BusMPI, /* MPI */
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BusMPSA, /* MPSA */
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BusNUBUS, /* Apple Macintosh NuBus */
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BusPCI, /* Peripheral Component Interconnect */
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BusPCMCIA, /* PC Memory Card International Association */
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BusTC, /* DEC TurboChannel */
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BusVL, /* VESA Local bus */
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BusVME, /* VMEbus */
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BusXPRESS, /* Express System Bus */
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BusPPC /* Power PC internal bus */
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};
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#define MKBUS(t,b,d,f) (((t)<<24)|(((b)&0xFF)<<16)|(((d)&0x1F)<<11)|(((f)&0x07)<<8))
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#define BUSFNO(tbdf) (((tbdf)>>8)&0x07)
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#define BUSDNO(tbdf) (((tbdf)>>11)&0x1F)
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#define BUSBNO(tbdf) (((tbdf)>>16)&0xFF)
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#define BUSTYPE(tbdf) ((tbdf)>>24)
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#define BUSBDF(tbdf) ((tbdf)&0x00FFFF00)
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#define BUSUNKNOWN (-1)
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