1995/0403/port/devsd.c (diff list | history)

1995/0329/sys/src/9/port/devsd.c:9,14 – 1995/0403/sys/src/9/port/devsd.c:9,21 (short | long | prev | next)
1994/0913		#include "../port/error.h" #include "devtab.h"
1995/0403		enum { TypeDA = 0x00, /* Direct Access */ TypeWO = 0x04, /* Worm */ TypeCD = 0x05, /* CD-ROM */ TypeMO = 0x07, /* rewriteable Magneto-Optical */ };
1994/0913		enum {
1994/1228		LogNpart = 4,
1995/0329/sys/src/9/port/devsd.c:51,56 – 1995/0403/sys/src/9/port/devsd.c:58,68
1994/0913		static void sdrdpart(Disk*); static long sdio(Chan*, int, char*, ulong, ulong);
1995/0403		static int types[] = { TypeDA, TypeWO, TypeCD, TypeMO, -1, };
1994/0913		static int
1995/0325		sdgen(Chan *c, Dirtab*, long, long s, Dir *dirp)
1994/0913		{
1995/0329/sys/src/9/port/devsd.c:93,99 – 1995/0403/sys/src/9/port/devsd.c:105,111
1994/0913		dev = 0; for(;;) { d = &disk[ndisk]; dev = scsiinv(dev, 0, &d->t, &d->inquire, d->id);
1995/0403		dev = scsiinv(dev, types, &d->t, &d->inquire, d->id);
1994/0913		if(dev < 0) break;
1995/0329/sys/src/9/port/devsd.c:140,147 – 1995/0403/sys/src/9/port/devsd.c:152,173
1994/0913		d->size = s; d->bsize = b; sprint(d->vol, "sd%d", ndisk);
1995/0403		switch(d->inquire[0] & 0x1F){
1994/0913
1995/0403		case TypeDA: case TypeWO: case TypeMO: sprint(d->vol, "sd%d", ndisk); break; case TypeCD: sprint(d->vol, "cd%d", ndisk); break; default: continue; }
1994/0913		if(++ndisk >= Ndisk) break; d++;
1995/0329/sys/src/9/port/devsd.c:278,283 – 1995/0403/sys/src/9/port/devsd.c:304,315
1994/0913		p++; d->npart = 2;
1995/0403		if((d->inquire[0] & 0x1F) == TypeCD){ scsifree(b); qunlock(d); return; }
1994/0913		scsibio(d->t, d->lun, SCSIread, b, 1, d->bsize, d->table[0].end-1); b[d->bsize-1] = '\0';
1995/0329/sys/src/9/port/devsd.c:319,324 – 1995/0403/sys/src/9/port/devsd.c:351,359
1994/0913		d = &disk[DRIVE(c->qid)]; p = &d->table[PART(c->qid)];
1995/0403		if(write && (d->inquire[0] & 0x1F) == TypeCD) error(Eperm);
1994/0913		block = (offset / d->bsize) + p->beg; n = (offset + len + d->bsize - 1) / d->bsize + p->beg - block;