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nusb/disk: use setalt(), print argv0 in prints instead of "disk:"

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This commit is contained in:
cinap_lenrek 2022-02-23 18:38:28 +00:00
parent 045936a778
commit be0a80faf3
2 changed files with 81 additions and 91 deletions
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132
sys/src/cmd/nusb/disk/disk.c
View file

@ -217,10 +217,10 @@ getmaxlun(void)
max = 0;
r = Rd2h|Rclass|Riface;
if(usbcmd(dev, r, Getmaxlun, 0, 0, &max, 1) < 0){
dprint(2, "disk: %s: getmaxlun failed: %r\n", dev->dir);
dprint(2, "%s: %s: getmaxlun failed: %r\n", argv0, dev->dir);
}else{
max &= 017; /* 15 is the max. allowed */
dprint(2, "disk: %s: maxlun %d\n", dev->dir, max);
dprint(2, "%s: %s: maxlun %d\n", argv0, dev->dir, max);
}
return max;
}
@ -232,7 +232,7 @@ umsreset(void)
r = Rh2d|Rclass|Riface;
if(usbcmd(dev, r, Umsreset, 0, 0, nil, 0) < 0){
fprint(2, "disk: reset: %r\n");
fprint(2, "%s: reset: %r\n", argv0);
return -1;
}
sleep(100);
@ -245,10 +245,10 @@ umsrecover(void)
if(umsreset() < 0)
return -1;
if(unstall(dev, ums->epin, Ein) < 0)
dprint(2, "disk: unstall epin: %r\n");
dprint(2, "%s: unstall epin: %r\n", argv0);
/* do we need this when epin == epout? */
if(unstall(dev, ums->epout, Eout) < 0)
dprint(2, "disk: unstall epout: %r\n");
dprint(2, "%s: unstall epout: %r\n", argv0);
return 0;
}
@ -338,8 +338,8 @@ umscapacity(Umsc *lun)
lun->capacity = (vlong)lun->blocks * lun->lbsize;
fixlength(lun, lun->blocks);
if(diskdebug)
fprint(2, "disk: logical block size %lud, # blocks %llud\n",
lun->lbsize, lun->blocks);
fprint(2, "%s: logical block size %lud, # blocks %llud\n",
argv0, lun->lbsize, lun->blocks);
return 0;
}
@ -361,7 +361,7 @@ umsinit(void)
lun->lun = i;
lun->flags = Fopen | Fusb | Frw10;
if(SRinquiry(lun) < 0 && SRinquiry(lun) < 0){
dprint(2, "disk: lun %d inquiry failed\n", i);
dprint(2, "%s: lun %d inquiry failed\n", argv0, i);
continue;
}
switch(lun->inquiry[0]){
@ -371,8 +371,8 @@ umsinit(void)
case Devmo:
break;
default:
fprint(2, "disk: lun %d is not a disk (type %#02x)\n",
i, lun->inquiry[0]);
fprint(2, "%s: lun %d is not a disk (type %#02x)\n",
argv0, i, lun->inquiry[0]);
continue;
}
@ -385,7 +385,7 @@ umsinit(void)
umscapacity(lun);
}
if(some == 0){
dprint(2, "disk: all luns failed\n");
dprint(2, "%s: all luns failed\n", argv0);
return -1;
}
return 0;
@ -411,7 +411,7 @@ umsrequest(Umsc *umsc, ScsiPtr *cmd, ScsiPtr *data, int *status)
cbw.flags = data->write? CbwDataOut: CbwDataIn;
cbw.lun = umsc->lun;
if(cmd->count < 1 || cmd->count > 16)
print("disk: umsrequest: bad cmd count: %ld\n", cmd->count);
fprint(2, "%s: umsrequest: bad cmd count: %ld\n", argv0, cmd->count);
cbw.len = cmd->count;
assert(cmd->count <= sizeof(cbw.command));
@ -420,7 +420,7 @@ umsrequest(Umsc *umsc, ScsiPtr *cmd, ScsiPtr *data, int *status)
werrstr(""); /* we use %r later even for n == 0 */
if(diskdebug){
fprint(2, "disk: cmd: tag %#lx: ", cbw.tag);
fprint(2, "%s: cmd: tag %#lx: ", argv0, cbw.tag);
for(n = 0; n < cbw.len; n++)
fprint(2, " %2.2x", cbw.command[n]&0xFF);
fprint(2, " datalen: %ld\n", cbw.datalen);
@ -428,7 +428,7 @@ umsrequest(Umsc *umsc, ScsiPtr *cmd, ScsiPtr *data, int *status)
/* issue tunnelled scsi command */
if(write(ums->epout->dfd, &cbw, CbwLen) != CbwLen){
fprint(2, "disk: cmd: %r\n");
fprint(2, "%s: cmd: %r\n", argv0);
goto Fail;
}
@ -444,9 +444,9 @@ umsrequest(Umsc *umsc, ScsiPtr *cmd, ScsiPtr *data, int *status)
}
if(diskdebug)
if(n < 0)
fprint(2, "disk: data: %r\n");
fprint(2, "%s: data: %r\n", argv0);
else
fprint(2, "disk: data: %d bytes (nio: %d)\n", n, nio);
fprint(2, "%s: data: %d bytes (nio: %d)\n", argv0, n, nio);
nio = n;
if(n <= 0){
nio = 0;
@ -464,22 +464,22 @@ umsrequest(Umsc *umsc, ScsiPtr *cmd, ScsiPtr *data, int *status)
}
if(n != CswLen || strncmp(csw.signature, "USBS", 4) != 0){
dprint(2, "disk: read n=%d: status: %r\n", n);
dprint(2, "%s: read n=%d: status: %r\n", argv0, n);
goto Fail;
}
if(csw.tag != cbw.tag){
dprint(2, "disk: status tag mismatch\n");
dprint(2, "%s: status tag mismatch\n", argv0);
goto Fail;
}
if(csw.status >= CswPhaseErr){
dprint(2, "disk: phase error\n");
dprint(2, "%s: phase error\n", argv0);
goto Fail;
}
if(csw.dataresidue == 0 || ums->wrongresidues)
csw.dataresidue = data->count - nio;
if(diskdebug){
fprint(2, "disk: status: %2.2ux residue: %ld\n",
csw.status, csw.dataresidue);
fprint(2, "%s: status: %2.2ux residue: %ld\n",
argv0, csw.status, csw.dataresidue);
if(cbw.command[0] == ScmdRsense){
fprint(2, "sense data:");
for(n = 0; n < data->count - csw.dataresidue; n++)
@ -495,7 +495,7 @@ umsrequest(Umsc *umsc, ScsiPtr *cmd, ScsiPtr *data, int *status)
*status = STcheck;
break;
default:
dprint(2, "disk: phase error\n");
dprint(2, "%s: phase error\n", argv0);
goto Fail;
}
ums->nerrs = 0;
@ -946,64 +946,56 @@ dwrite(Req *req)
srvacquire(srv);
}
int
findendpoints(Ums *ums)
static int
findendpoints(Ums *ums, int proto)
{
Ep *ep, *ein, *eout;
Iface *ifc;
Usbdev *ud;
ulong csp;
int i;
int i, j;
ud = dev->usb;
ein = eout = nil;
for(i = 0; i < nelem(ud->ep); i++){
if((ep = ud->ep[i]) == nil)
continue;
csp = ep->iface->csp;
if(Class(csp) != Clstorage || Proto(csp) != Protobulk || ep->type != Ebulk)
continue;
if(ep->dir == Eboth || ep->dir == Ein)
if(ein == nil)
ein = ep;
if(ep->dir == Eboth || ep->dir == Eout)
if(eout == nil)
eout = ep;
for(i = 0; i < nelem(ud->conf[0]->iface); i++){
for(ifc = ud->conf[0]->iface[i]; ifc != nil; ifc = ifc->next){
if(Class(ifc->csp) != Clstorage)
continue;
if(Proto(ifc->csp) != proto)
continue;
ein = eout = nil;
for(j = 0; j < nelem(ifc->ep); j++){
ep = ifc->ep[j];
if(ep == nil)
break;
if(ep->type != Ebulk)
continue;
if(ep->dir == Eboth || ep->dir == Ein)
if(ein == nil)
ein = ep;
if(ep->dir == Eboth || ep->dir == Eout)
if(eout == nil)
eout = ep;
if(ein != nil && eout != nil){
dprint(2, "%s: ifc %d csp %lux ep ids: in %d out %d\n",
argv0, ifc->id, ifc->csp, ein->id, eout->id);
goto Found;
}
}
}
}
if(ein != nil && eout != nil)
goto Found;
/* try UAS protocol */
ein = eout = nil;
for(i = 0; i < nelem(ud->ep); i++){
if((ep = ud->ep[i]) == nil)
continue;
csp = ep->iface->csp;
if(Class(csp) != Clstorage || Proto(csp) != Protouas || ep->type != Ebulk)
continue;
if(ep->dir == Eboth || ep->dir == Ein)
if(ein == nil)
ein = ep;
if(ep->dir == Eboth || ep->dir == Eout)
if(eout == nil)
eout = ep;
}
if(ein == nil || eout == nil)
return -1;
werrstr("no endpoints found");
return -1;
Found:
dprint(2, "disk: ep ids: in %d out %d\n", ein->id, eout->id);
ums->epin = openep(dev, ein);
if(ums->epin == nil){
fprint(2, "disk: openep %d: %r\n", ein->id);
if(ifc->alt != 0 && setalt(dev, ifc) < 0)
return -1;
ums->epin = openep(dev, ein);
if(ums->epin == nil)
return -1;
}
if(ein == eout){
incref(ums->epin);
ums->epout = ums->epin;
}else
ums->epout = openep(dev, eout);
if(ums->epout == nil){
fprint(2, "disk: openep %d: %r\n", eout->id);
closedev(ums->epin);
return -1;
}
@ -1014,12 +1006,11 @@ Found:
opendevdata(ums->epout, OWRITE);
}
if(ums->epin->dfd < 0 || ums->epout->dfd < 0){
fprint(2, "disk: open i/o ep data: %r\n");
closedev(ums->epin);
closedev(ums->epout);
return -1;
}
dprint(2, "disk: ep in %s out %s\n", ums->epin->dir, ums->epout->dir);
dprint(2, "%s: ep in %s out %s\n", argv0, ums->epin->dir, ums->epout->dir);
devctl(ums->epin, "timeout 2000");
devctl(ums->epout, "timeout 2000");
@ -1091,8 +1082,9 @@ main(int argc, char **argv)
notreallyums(dev);
ums = dev->aux = emallocz(sizeof(Ums), 1);
ums->maxlun = -1;
if(findendpoints(ums) < 0)
sysfatal("endpoints not found");
if(findendpoints(ums, Protobulk) < 0
&& findendpoints(ums, Protouas) < 0)
sysfatal("findendpoints: %r\n");
/*
* SanDISK 512M gets residues wrong.

40
sys/src/cmd/nusb/disk/scsireq.c
View file

@ -231,11 +231,11 @@ SRread(ScsiReq *rp, void *buf, long nbytes)
if(rp->lbsize == 0 || (nbytes % rp->lbsize) || nbytes > Maxiosize){
if(diskdebug)
if (nbytes % rp->lbsize)
fprint(2, "disk: i/o size %ld %% %ld != 0\n",
nbytes, rp->lbsize);
fprint(2, "%s: i/o size %ld %% %ld != 0\n",
argv0, nbytes, rp->lbsize);
else
fprint(2, "disk: i/o size %ld > %d\n",
nbytes, Maxiosize);
fprint(2, "%s: i/o size %ld > %d\n",
argv0, nbytes, Maxiosize);
rp->status = Status_BADARG;
return -1;
}
@ -295,11 +295,11 @@ SRwrite(ScsiReq *rp, void *buf, long nbytes)
if(rp->lbsize == 0 || (nbytes % rp->lbsize) || nbytes > Maxiosize){
if(diskdebug)
if (nbytes % rp->lbsize)
fprint(2, "disk: i/o size %ld %% %ld != 0\n",
nbytes, rp->lbsize);
fprint(2, "%s: i/o size %ld %% %ld != 0\n",
argv0, nbytes, rp->lbsize);
else
fprint(2, "disk: i/o size %ld > %d\n",
nbytes, Maxiosize);
fprint(2, "%s: i/o size %ld > %d\n",
argv0, nbytes, Maxiosize);
rp->status = Status_BADARG;
return -1;
}
@ -354,7 +354,7 @@ SRseek(ScsiReq *rp, vlong offset, int type)
default:
if(diskdebug)
fprint(2, "disk: seek failed\n");
fprint(2, "%s: seek failed\n", argv0);
rp->status = Status_BADARG;
return -1;
}
@ -601,7 +601,6 @@ request(int fd, ScsiPtr *cmd, ScsiPtr *data, int *status)
/* read or write actual data */
werrstr("");
// alarm(5*1000);
if(data->write)
n = write(fd, data->p, data->count);
else {
@ -611,7 +610,6 @@ request(int fd, ScsiPtr *cmd, ScsiPtr *data, int *status)
else if (n < data->count)
memset(data->p + n, 0, data->count - n);
}
// alarm(0);
if (n != data->count && n <= 0) {
if (debug)
fprint(2,
@ -832,7 +830,7 @@ SRclose(ScsiReq *rp)
{
if((rp->flags & Fopen) == 0){
if(diskdebug)
fprint(2, "disk: closing closed file\n");
fprint(2, "%s: closing closed file\n", argv0);
rp->status = Status_BADARG;
return -1;
}
@ -853,16 +851,16 @@ dirdevopen(ScsiReq *rp)
rp->lbsize = GETBELONG(data+4);
blocks = GETBELONG(data);
if(debug)
fprint(2, "disk: dirdevopen: 10-byte logical block size %lud, "
"# blocks %llud\n", rp->lbsize, blocks);
fprint(2, "%s: dirdevopen: 10-byte logical block size %lud, "
"# blocks %llud\n", argv0, rp->lbsize, blocks);
if(blocks == 0xffffffff){
if(SRrcapacity16(rp, data) == -1)
return -1;
rp->lbsize = GETBELONG(data + 8);
blocks = (vlong)GETBELONG(data)<<32 | GETBELONG(data + 4);
if(debug)
fprint(2, "disk: dirdevopen: 16-byte logical block size"
" %lud, # blocks %llud\n", rp->lbsize, blocks);
fprint(2, "%s: dirdevopen: 16-byte logical block size"
" %lud, # blocks %llud\n", argv0, rp->lbsize, blocks);
}
/* some newer dev's don't support 6-byte commands */
if(blocks > Max24off && !force6bytecmds)
@ -881,8 +879,8 @@ seqdevopen(ScsiReq *rp)
rp->flags |= Fbfixed;
rp->lbsize = limits[4]<<8 | limits[5];
if(debug)
fprint(2, "disk: seqdevopen: 10-byte logical block size %lud\n",
rp->lbsize);
fprint(2, "%s: seqdevopen: 10-byte logical block size %lud\n",
argv0, rp->lbsize);
return 0;
}
/*
@ -941,8 +939,8 @@ wormdevopen(ScsiReq *rp)
/* last 3 bytes of block 0 descriptor */
rp->lbsize = GETBE24(list+13);
if(debug)
fprint(2, "disk: wormdevopen: 10-byte logical block size %lud\n",
rp->lbsize);
fprint(2, "%s: wormdevopen: 10-byte logical block size %lud\n",
argv0, rp->lbsize);
return status;
}
@ -953,7 +951,7 @@ SRopenraw(ScsiReq *rp, char *unit)
if(rp->flags & Fopen){
if(diskdebug)
fprint(2, "disk: opening open file\n");
fprint(2, "%s: opening open file\n", argv0);
rp->status = Status_BADARG;
return -1;
}