int _fsstat(int argc, char ** argv) {
int data[8];
fsstat(data);
printf("Free blocks: %d\n", data[0]);
printf("Total blocks: %d\n", data[1]);
printf("Free inodes: %d\n", data[2]);
printf("Total inodes: %d\n", data[3]);
printf("Free Bytes: %d\n", data[4]);
printf("Total available bytes: %d\n", data[5]);
}
static void
load(const char *fname)
{
ufs_ino_t ino;
EFI_STATUS status;
EFI_HANDLE loaderhandle;
EFI_LOADED_IMAGE *loaded_image;
void *buffer;
size_t bufsize;
if ((ino = lookup(fname)) == 0) {
printf("File %s not found\n", fname);
return;
}
bufsize = fsstat(ino);
status = systab->BootServices->AllocatePool(EfiLoaderData,
bufsize, &buffer);
fsread(ino, buffer, bufsize);
/* XXX: For secure boot, we need our own loader here */
status = systab->BootServices->LoadImage(TRUE, image, bootdevpath,
buffer, bufsize, &loaderhandle);
if (EFI_ERROR(status))
printf("LoadImage failed with error %lu\n",
EFI_ERROR_CODE(status));
status = systab->BootServices->HandleProtocol(loaderhandle,
&LoadedImageGUID, (VOID**)&loaded_image);
if (EFI_ERROR(status))
printf("HandleProtocol failed with error %lu\n",
EFI_ERROR_CODE(status));
loaded_image->DeviceHandle = bootdevhandle;
status = systab->BootServices->StartImage(loaderhandle, NULL, NULL);
if (EFI_ERROR(status))
printf("StartImage failed with error %lu\n",
EFI_ERROR_CODE(status));
}
void
notefs(int fd)
{
uchar buf[IOHDRSZ+Maxfdata];
int i, n, ncpunote;
Fcall f;
Qid wqid[MAXWELEM];
Fid *fid, *nfid;
int doreply;
rfork(RFNOTEG);
fmtinstall('F', fcallfmt);
for(n = 0; n < Nfid; n++){
fids[n].file = -1;
fids[n].omode = -1;
}
ncpunote = 0;
for(;;){
n = read9pmsg(fd, buf, sizeof(buf));
if(n <= 0){
if(dbg)
fprint(2, "read9pmsg(%d) returns %d: %r\n", fd, n);
break;
}
if(convM2S(buf, n, &f) <= BIT16SZ)
break;
if(dbg)
fprint(2, "notefs: ->%F\n", &f);
doreply = 1;
fid = getfid(f.fid);
if(fid == nil){
nofids:
f.type = Rerror;
f.ename = Enofile;
fsreply(fd, &f);
continue;
}
switch(f.type++){
default:
f.type = Rerror;
f.ename = "unknown type";
break;
case Tflush:
flushreq(f.oldtag);
break;
case Tversion:
if(f.msize > IOHDRSZ+Maxfdata)
f.msize = IOHDRSZ+Maxfdata;
break;
case Tauth:
f.type = Rerror;
f.ename = "authentication not required";
break;
case Tattach:
f.qid = fstab[Qdir].qid;
fid->file = Qdir;
break;
case Twalk:
nfid = nil;
if(f.newfid != f.fid){
nfid = getfid(f.newfid);
if(nfid == nil)
goto nofids;
nfid->file = fid->file;
fid = nfid;
}
for(i=0; i<f.nwname && i<MAXWELEM; i++){
if(fid->file != Qdir){
f.type = Rerror;
f.ename = Enotdir;
break;
}
if(strcmp(f.wname[i], "..") == 0){
wqid[i] = fstab[Qdir].qid;
continue;
}
if(strcmp(f.wname[i], "cpunote") != 0){
if(i == 0){
f.type = Rerror;
f.ename = "file does not exist";
}
break;
}
fid->file = Qcpunote;
wqid[i] = fstab[Qcpunote].qid;
}
if(nfid != nil && (f.type == Rerror || i < f.nwname))
nfid ->file = -1;
if(f.type != Rerror){
f.nwqid = i;
for(i=0; i<f.nwqid; i++)
f.wqid[i] = wqid[i];
}
break;
case Topen:
if(f.mode != OREAD){
f.type = Rerror;
f.ename = Eperm;
break;
}
fid->omode = f.mode;
if(fid->file == Qcpunote)
ncpunote++;
f.qid = fstab[fid->file].qid;
f.iounit = 0;
break;
case Tread:
if(fsread(fd, fid, &f) < 0)
goto err;
doreply = 0;
break;
case Tclunk:
if(fid->omode != -1 && fid->file == Qcpunote){
ncpunote--;
if(ncpunote == 0) /* remote side is done */
goto err;
}
fid->file = -1;
fid->omode = -1;
break;
case Tstat:
if(fsstat(fd, fid, &f) < 0)
goto err;
doreply = 0;
break;
case Tcreate:
case Twrite:
case Tremove:
case Twstat:
f.type = Rerror;
f.ename = Eperm;
break;
}
if(doreply)
if(fsreply(fd, &f) < 0)
break;
}
err:
if(dbg)
fprint(2, "notefs exiting: %r\n");
werrstr("success");
postnote(PNGROUP, exportpid, "kill");
if(dbg)
fprint(2, "postnote PNGROUP %d: %r\n", exportpid);
close(fd);
}
