2002/0404/port/devwpsd.c (diff list | history)

2002/0330/sys/src/9/port/devwpsd.c:1,3 – 2002/0404/sys/src/9/port/devwpsd.c:1,6 (short | long | prev | next)
2002/0404		/* * Storage Device. */
2002/0330		#include "u.h" #include "../port/lib.h" #include "mem.h"
2002/0330/sys/src/9/port/devwpsd.c:9,19 – 2002/0404/sys/src/9/port/devwpsd.c:12,18
2002/0330		#include "../port/sd.h" /* * Storage Device. */                  extern Dev sddevtab;
2002/0404		extern Dev wpsddevtab;
2002/0330		extern SDifc* sdifc[]; typedef struct {
2002/0330/sys/src/9/port/devwpsd.c:31,36 – 2002/0404/sys/src/9/port/devwpsd.c:30,49
2002/0330		Rawstatus, };
2002/0404		enum { CMpart, CMdelpart, CMwildcard, }; Cmdtab ctlmsg[] = { CMpart, "part", 3, CMdelpart, "delpart", 1, CMwildcard, "*", 0, };
2002/0330		enum { Qtopdir = 1, /* top level directory */ Qtopbase,
2002/0330/sys/src/9/port/devwpsd.c:461,467 – 2002/0404/sys/src/9/port/devwpsd.c:474,480
2002/0330		case Qtopdir: if(s == DEVDOTDOT){ mkqid(&q, QID(0, s, 0, Qtopdir), 0, QTDIR); sprint(up->genbuf, "#%C", sddevtab.dc);
2002/0404		sprint(up->genbuf, "#%C", wpsddevtab.dc);
2002/0330		devdir(c, q, up->genbuf, 0, eve, 0555, dp); return 1; }
2002/0330/sys/src/9/port/devwpsd.c:507,513 – 2002/0404/sys/src/9/port/devwpsd.c:520,526
2002/0330		case Qunitdir: if(s == DEVDOTDOT){ mkqid(&q, QID(0, s, 0, Qtopdir), 0, QTDIR); sprint(up->genbuf, "#%C", sddevtab.dc);
2002/0404		sprint(up->genbuf, "#%C", wpsddevtab.dc);
2002/0330		devdir(c, q, up->genbuf, 0, eve, 0555, dp); return 1; }
2002/0330/sys/src/9/port/devwpsd.c:591,597 – 2002/0404/sys/src/9/port/devwpsd.c:604,610
2002/0330		int idno, subno, i; if(ndevs == 0 || *spec == '\0'){ c = devattach(sddevtab.dc, spec);
2002/0404		c = devattach(wpsddevtab.dc, spec);
2002/0330		mkqid(&c->qid, QID(0, 0, 0, Qtopdir), 0, QTDIR); return c; }
2002/0330/sys/src/9/port/devwpsd.c:615,621 – 2002/0404/sys/src/9/port/devwpsd.c:628,634
2002/0330		incref(&sdev->r); qunlock(&devslock); c = devattach(sddevtab.dc, spec);
2002/0404		c = devattach(wpsddevtab.dc, spec);
2002/0330		mkqid(&c->qid, QID(sdev->idno, subno, 0, Qunitdir), 0, QTDIR); c->dev = (sdev->idno << UnitLOG) + subno; decref(&sdev->r);
2002/0330/sys/src/9/port/devwpsd.c:657,663 – 2002/0404/sys/src/9/port/devwpsd.c:670,676
2002/0330		break; case Qraw: c->qid.vers = unit->vers; if(!canlock(&unit->rawinuse)){
2002/0404		if(tas(&unit->rawinuse) != 0){
2002/0330		c->flag &= ~COPEN; error(Einuse); }
2002/0330/sys/src/9/port/devwpsd.c:698,704 – 2002/0404/sys/src/9/port/devwpsd.c:711,717
2002/0330		sdev = sdgetdev(DEV(c->qid)); if (sdev) { unit = sdev->unit[UNIT(c->qid)]; unlock(&unit->rawinuse);
2002/0404		unit->rawinuse = 0;
2002/0330		decref(&sdev->r); } break;
2002/0330/sys/src/9/port/devwpsd.c:783,788 – 2002/0404/sys/src/9/port/devwpsd.c:796,803
2002/0330		} offset = off%unit->secsize;
2002/0404		if(offset+len > nb*unit->secsize) len = nb*unit->secsize - offset;
2002/0330		if(write){ if(offset || (len%unit->secsize)){ l = unit->dev->ifc->bio(unit, 0, 0, b, nb, bno);
2002/0330/sys/src/9/port/devwpsd.c:1081,1086 – 2002/0404/sys/src/9/port/devwpsd.c:1096,1102
2002/0330		sdwrite(Chan* c, void* a, long n, vlong off) { Cmdbuf *cb;
2002/0404		Cmdtab *ct;
2002/0330		SDreq *req; SDunit *unit; SDev *sdev;
2002/0330/sys/src/9/port/devwpsd.c:1130,1147 – 2002/0404/sys/src/9/port/devwpsd.c:1146,1163
2002/0330		error(Ebadarg); } if(sddevtab.config == nil)
2002/0404		if(wpsddevtab.config == nil)
2002/0330		error("No configuration function"); sddevtab.config(cd.o_on, cd.o_spec, &cd.o_cf);
2002/0404		wpsddevtab.config(cd.o_on, cd.o_spec, &cd.o_cf);
2002/0330		break; } case Qctl: cb = parsecmd(a, n); sdev = sdgetdev(DEV(c->qid)); if (sdev == nil) error(Enonexist); unit = sdev->unit[UNIT(c->qid)];
2002/0404		cb = parsecmd(a, n);
2002/0330		qlock(&unit->ctl); if(waserror()){ qunlock(&unit->ctl);
2002/0330/sys/src/9/port/devwpsd.c:1152,1180 – 2002/0404/sys/src/9/port/devwpsd.c:1168,1194
2002/0330		if(unit->vers != c->qid.vers) error(Eio); if(cb->nf < 1) error(Ebadctl); if(strcmp(cb->f[0], "part") == 0){ if(cb->nf != 4) error(Ebadctl);
2002/0404		ct = lookupcmd(cb, ctlmsg, nelem(ctlmsg)); switch(ct->index) { case CMpart:
2002/0330		if(unit->sectors == 0 && !sdinitpart(unit)) error(Eio); start = strtoul(cb->f[2], 0, 0); end = strtoul(cb->f[3], 0, 0); sdaddpart(unit, cb->f[1], start, end); } else if(strcmp(cb->f[0], "delpart") == 0){ if(cb->nf != 2 || unit->part == nil) error(Ebadctl);
2002/0404		break; case CMdelpart:
2002/0330		sddelpart(unit, cb->f[1]); } else if(unit->dev->ifc->wctl)
2002/0404		break; case CMwildcard: if(unit->dev->ifc->wctl == nil) error(Ebadctl);
2002/0330		unit->dev->ifc->wctl(unit, cb); else error(Ebadctl);
2002/0404		break; } poperror();
2002/0330		qunlock(&unit->ctl); decref(&sdev->r); poperror(); free(cb); break;
2002/0330/sys/src/9/port/devwpsd.c:1448,1454 – 2002/0404/sys/src/9/port/devwpsd.c:1462,1468
2002/0330		return unconfigure(spec); } Dev sddevtab = {
2002/0404		Dev wpwpsddevtab = {
2002/0330		'S', "sd",