int
ncp_initsearch(struct vnode *dvp, struct thread *td, struct ucred *cred)
{
struct nwmount *nmp = VTONWFS(dvp);
struct ncp_conn *conn = NWFSTOCONN(nmp);
struct nwnode *np = VTONW(dvp);
struct ncp_rq *rqp;
u_int8_t volnum = nmp->n_volume;
u_int32_t dirent = np->n_fid.f_id;
int error;
NCPNDEBUG("vol=%d,dir=%d\n", volnum, dirent);
error = ncp_rq_alloc(87, conn, td, cred, &rqp);
if (error)
return error;
mb_put_uint8(&rqp->rq, 2); /* subfunction */
mb_put_uint8(&rqp->rq, nmp->name_space);
mb_put_uint8(&rqp->rq, 0); /* reserved */
ncp_rq_dbase_path(rqp, volnum, dirent, 0, NULL, NULL);
rqp->nr_minrplen = sizeof(np->n_seq);
error = ncp_request(rqp);
if (error)
return error;
md_get_mem(&rqp->rp, (caddr_t)&np->n_seq, sizeof(np->n_seq), MB_MSYSTEM);
ncp_rq_done(rqp);
return 0;
}
int
nwfs_readvnode(struct vnode *vp, struct uio *uiop, struct ucred *cred)
{
struct nwmount *nmp = VFSTONWFS(vp->v_mount);
struct nwnode *np = VTONW(vp);
struct vattr vattr;
int error;
if (vp->v_type != VREG && vp->v_type != VDIR) {
kprintf("%s: vn types other than VREG or VDIR are unsupported !\n",__func__);
return EIO;
}
if (uiop->uio_resid == 0) return 0;
if (uiop->uio_offset < 0) return EINVAL;
if (vp->v_type == VDIR) {
error = nwfs_readvdir(vp, uiop, cred);
return error;
}
if (np->n_flag & NMODIFIED) {
nwfs_attr_cacheremove(vp);
error = VOP_GETATTR(vp, &vattr);
if (error) return (error);
np->n_mtime = vattr.va_mtime.tv_sec;
} else {
error = VOP_GETATTR(vp, &vattr);
if (error) return (error);
if (np->n_mtime != vattr.va_mtime.tv_sec) {
error = nwfs_vinvalbuf(vp, V_SAVE, 1);
if (error) return (error);
np->n_mtime = vattr.va_mtime.tv_sec;
}
}
error = ncp_read(NWFSTOCONN(nmp), &np->n_fh, uiop,cred);
return (error);
}
/*
* Returns information for a (one-component) name relative to the specified
* directory.
*/
int
ncp_obtain_info(struct nwmount *nmp, u_int32_t dirent,
int namelen, char *path, struct nw_entry_info *target,
struct thread *td,struct ucred *cred)
{
struct ncp_conn *conn=NWFSTOCONN(nmp);
struct ncp_rq *rqp;
int error;
u_char volnum = nmp->n_volume, ns;
if (target == NULL) {
NCPFATAL("target == NULL\n");
return EINVAL;
}
ns = (path == NULL || path[0] == 0) ? NW_NS_DOS : nmp->name_space;
error = ncp_rq_alloc(87, conn, td, cred, &rqp);
if (error)
return error;
mb_put_uint8(&rqp->rq, 6); /* subfunction */
mb_put_uint8(&rqp->rq, ns);
mb_put_uint8(&rqp->rq, ns); /* DestNameSpace */
mb_put_uint16le(&rqp->rq, 0xff); /* get all */
mb_put_uint32le(&rqp->rq, IM_ALL);
ncp_rq_dbase_path(rqp, volnum, dirent, namelen, path, &nmp->m.nls);
error = ncp_request(rqp);
if (error)
return error;
error = ncp_extract_file_info(nmp, rqp, target, path != NULL);
ncp_rq_done(rqp);
return error;
}
/*
* nwfs_close(struct vnode *a_vp, int a_fflag)
*/
static int
nwfs_close(struct vop_close_args *ap)
{
thread_t td = curthread; /* XXX */
struct vnode *vp = ap->a_vp;
struct nwnode *np = VTONW(vp);
int error;
NCPVNDEBUG("name=%s,td=%p,c=%d\n",np->n_name,ap->a_td,np->opened);
vn_lock(vp, LK_UPGRADE | LK_RETRY);
error = 0;
if (vp->v_type == VDIR)
goto done;
if (np->opened == 0)
goto done;
error = nwfs_vinvalbuf(vp, V_SAVE, 1);
if (np->opened == 0) {
error = 0; /* huh? */
goto done;
}
if (--np->opened == 0) {
error = ncp_close_file(NWFSTOCONN(VTONWFS(vp)), &np->n_fh,
td, proc0.p_ucred);
}
np->n_atime = 0;
done:
vop_stdclose(ap);
return (error);
}
/* Unmount the filesystem described by mp. */
static int
nwfs_unmount(struct mount *mp, int mntflags)
{
struct nwmount *nmp = VFSTONWFS(mp);
struct ncp_conn *conn;
int error, flags;
NCPVODEBUG("nwfs_unmount: flags=%04x\n",mntflags);
flags = 0;
if (mntflags & MNT_FORCE)
flags |= FORCECLOSE;
/* There is 1 extra root vnode reference from nwfs_mount(). */
error = vflush(mp, 1, flags);
if (error)
return (error);
conn = NWFSTOCONN(nmp);
ncp_conn_puthandle(nmp->connh,NULL,0);
if (ncp_conn_lock(conn, curthread, proc0.p_ucred, NCPM_WRITE | NCPM_EXECUTE) == 0) {
if(ncp_disconnect(conn))
ncp_conn_unlock(conn, curthread);
}
mp->mnt_data = (qaddr_t)0;
if (nmp->m.flags & NWFS_MOUNT_HAVE_NLS)
kfree(nmp->m.nls.to_lower, M_NWFSDATA);
kfree(nmp, M_NWFSDATA);
mp->mnt_flag &= ~MNT_LOCAL;
return (error);
}
int
ncp_modify_file_or_subdir_dos_info(struct nwmount *nmp, struct vnode *vp,
u_int32_t info_mask,
struct nw_modify_dos_info *info,
struct thread *td,struct ucred *cred)
{
struct nwnode *np=VTONW(vp);
struct ncp_rq *rqp;
u_int8_t volnum = nmp->n_volume;
u_int32_t dirent = np->n_fid.f_id;
struct ncp_conn *conn=NWFSTOCONN(nmp);
int error;
error = ncp_rq_alloc(87, conn, td, cred, &rqp);
if (error)
return error;
mb_put_uint8(&rqp->rq, 7); /* subfunction */
mb_put_uint8(&rqp->rq, nmp->name_space);
mb_put_uint8(&rqp->rq, 0); /* reserved */
mb_put_uint16le(&rqp->rq, SA_ALL); /* search attribs: all */
mb_put_uint32le(&rqp->rq, info_mask);
mb_put_mem(&rqp->rq, (caddr_t)info, sizeof(*info), MB_MSYSTEM);
ncp_rq_dbase_path(rqp, volnum, dirent, 0, NULL, NULL);
error = ncp_request(rqp);
if (!error)
ncp_rq_done(rqp);
return error;
}
int
ncp_search_for_file_or_subdir(struct nwmount *nmp,
struct nw_search_seq *seq,
struct nw_entry_info *target,
struct thread *td,struct ucred *cred)
{
struct ncp_conn *conn = NWFSTOCONN(nmp);
struct ncp_rq *rqp;
int error;
error = ncp_rq_alloc(87, conn, td, cred, &rqp);
if (error)
return error;
mb_put_uint8(&rqp->rq, 3); /* subfunction */
mb_put_uint8(&rqp->rq, nmp->name_space);
mb_put_uint8(&rqp->rq, 0); /* data stream */
mb_put_uint16le(&rqp->rq, 0xffff); /* Search attribs */
mb_put_uint32le(&rqp->rq, IM_ALL); /* return info mask */
mb_put_mem(&rqp->rq, (caddr_t)seq, 9, MB_MSYSTEM);
mb_put_uint8(&rqp->rq, 2); /* 2 byte pattern */
mb_put_uint8(&rqp->rq, 0xff); /* following is a wildcard */
mb_put_uint8(&rqp->rq, '*');
rqp->nr_minrplen = sizeof(*seq) + 1 + NCP_INFOSZ + 1;
error = ncp_request(rqp);
if (error)
return error;
md_get_mem(&rqp->rp, (caddr_t)seq, sizeof(*seq), MB_MSYSTEM);
md_get_uint8(&rqp->rp, NULL); /* skip */
error = ncp_extract_file_info(nmp, rqp, target, 1);
ncp_rq_done(rqp);
return error;
}
int
nwfs_writevnode(struct vnode *vp, struct uio *uiop, struct ucred *cred,
int ioflag)
{
struct nwmount *nmp = VTONWFS(vp);
struct nwnode *np = VTONW(vp);
struct thread *td;
/* struct vattr vattr;*/
int error = 0;
if (vp->v_type != VREG) {
kprintf("%s: vn types other than VREG unsupported !\n",__func__);
return EIO;
}
NCPVNDEBUG("ofs=%d,resid=%d\n",(int)uiop->uio_offset, uiop->uio_resid);
if (uiop->uio_offset < 0) return EINVAL;
td = uiop->uio_td;
if (ioflag & (IO_APPEND | IO_SYNC)) {
if (np->n_flag & NMODIFIED) {
nwfs_attr_cacheremove(vp);
error = nwfs_vinvalbuf(vp, V_SAVE, 1);
if (error) return (error);
}
if (ioflag & IO_APPEND) {
/* We can relay only on local information about file size,
* because until file is closed NetWare will not return
* the correct size. */
#if 0 /* notyet */
nwfs_attr_cacheremove(vp);
error = VOP_GETATTR(vp, &vattr);
if (error) return (error);
#endif
uiop->uio_offset = np->n_size;
}
}
if (uiop->uio_resid == 0) return 0;
if (td->td_proc && uiop->uio_offset + uiop->uio_resid >
td->td_proc->p_rlimit[RLIMIT_FSIZE].rlim_cur) {
lwpsignal(td->td_proc, td->td_lwp, SIGXFSZ);
return (EFBIG);
}
error = ncp_write(NWFSTOCONN(nmp), &np->n_fh, uiop, cred);
NCPVNDEBUG("after: ofs=%d,resid=%d\n",(int)uiop->uio_offset, uiop->uio_resid);
if (!error) {
if (uiop->uio_offset > np->n_size) {
np->n_vattr.va_size = np->n_size = uiop->uio_offset;
vnode_pager_setsize(vp, np->n_size);
}
}
return (error);
}
/*
* nwfs_statfs call
*/
int
nwfs_statfs(struct mount *mp, struct statfs *sbp, struct ucred *cred)
{
struct nwmount *nmp = VFSTONWFS(mp);
int error = 0, secsize;
struct nwnode *np = nmp->n_root;
struct ncp_volume_info vi;
if (np == NULL) return EINVAL;
error = ncp_get_volume_info_with_number(NWFSTOCONN(nmp), nmp->n_volume,
&vi, curthread, cred);
if (error) return error;
secsize = 512; /* XXX how to get real value ??? */
sbp->f_spare2=0; /* placeholder */
/* fundamental file system block size */
sbp->f_bsize = vi.sectors_per_block*secsize;
/* optimal transfer block size */
sbp->f_iosize = NWFSTOCONN(nmp)->buffer_size;
/* total data blocks in file system */
sbp->f_blocks= vi.total_blocks;
/* free blocks in fs */
sbp->f_bfree = vi.free_blocks + vi.purgeable_blocks;
/* free blocks avail to non-superuser */
sbp->f_bavail= vi.free_blocks+vi.purgeable_blocks;
/* total file nodes in file system */
sbp->f_files = vi.total_dir_entries;
/* free file nodes in fs */
sbp->f_ffree = vi.available_dir_entries;
sbp->f_flags = 0; /* copy of mount exported flags */
if (sbp != &mp->mnt_stat) {
sbp->f_fsid = mp->mnt_stat.f_fsid; /* file system id */
sbp->f_owner = mp->mnt_stat.f_owner; /* user that mounted the filesystem */
sbp->f_type = mp->mnt_vfc->vfc_typenum; /* type of filesystem */
bcopy(mp->mnt_stat.f_mntfromname, sbp->f_mntfromname, MNAMELEN);
}
strncpy(sbp->f_fstypename, mp->mnt_vfc->vfc_name, MFSNAMELEN);
return 0;
}
/*
* If both dir and name are NULL, then in target there's already a looked-up
* entry that wants to be opened.
*/
int
ncp_open_create_file_or_subdir(struct nwmount *nmp,struct vnode *dvp,int namelen,
char *name, int open_create_mode, u_int32_t create_attributes,
int desired_acc_rights, struct ncp_open_info *nop,
struct thread *td,struct ucred *cred)
{
struct ncp_conn *conn=NWFSTOCONN(nmp);
struct ncp_rq *rqp;
u_int16_t search_attribs = SA_ALL & (~SA_SUBDIR_FILES);
u_int8_t volnum;
u_int32_t dirent;
int error;
error = ncp_rq_alloc(87, conn, td, cred, &rqp);
if (error)
return error;
volnum = nmp->n_volume;
dirent = VTONW(dvp)->n_fid.f_id;
if ((create_attributes & aDIR) != 0) {
search_attribs |= SA_SUBDIR_FILES;
}
mb_put_uint8(&rqp->rq, 1);/* subfunction */
mb_put_uint8(&rqp->rq, nmp->name_space);
mb_put_uint8(&rqp->rq, open_create_mode);
mb_put_uint16le(&rqp->rq, search_attribs);
mb_put_uint32le(&rqp->rq, IM_ALL);
mb_put_uint32le(&rqp->rq, create_attributes);
/*
* The desired acc rights seem to be the inherited rights mask for
* directories
*/
mb_put_uint16le(&rqp->rq, desired_acc_rights);
ncp_rq_dbase_path(rqp, volnum, dirent, namelen, name, &nmp->m.nls);
error = ncp_request(rqp);
if (error) {
if (error == NWE_FILE_NO_CREATE_PRIV)
error = EACCES;
return error;
}
md_get_uint32le(&rqp->rp, &nop->origfh);
md_get_uint8(&rqp->rp, &nop->action);
md_get_uint8(&rqp->rp, NULL); /* skip */
error = ncp_extract_file_info(nmp, rqp, &nop->fattr, 1);
ncp_rq_done(rqp);
ConvertToNWfromDWORD(nop->origfh, &nop->fh);
return error;
}
/*
* Flush and invalidate all dirty buffers. If another process is already
* doing the flush, just wait for completion.
*/
int
nwfs_vinvalbuf(struct vnode *vp, int flags, int intrflg)
{
struct nwnode *np = VTONW(vp);
/* struct nwmount *nmp = VTONWFS(vp);*/
int error = 0, slpflag, slptimeo;
if (vp->v_flag & VRECLAIMED) {
return (0);
}
if (intrflg) {
slpflag = PCATCH;
slptimeo = 2 * hz;
} else {
slpflag = 0;
slptimeo = 0;
}
while (np->n_flag & NFLUSHINPROG) {
np->n_flag |= NFLUSHWANT;
error = tsleep((caddr_t)&np->n_flag, 0, "nwfsvinv", slptimeo);
error = ncp_chkintr(NWFSTOCONN(VTONWFS(vp)), curthread);
if (error == EINTR && intrflg)
return EINTR;
}
np->n_flag |= NFLUSHINPROG;
error = vinvalbuf(vp, flags, slpflag, 0);
while (error) {
if (intrflg && (error == ERESTART || error == EINTR)) {
np->n_flag &= ~NFLUSHINPROG;
if (np->n_flag & NFLUSHWANT) {
np->n_flag &= ~NFLUSHWANT;
wakeup((caddr_t)&np->n_flag);
}
return EINTR;
}
error = vinvalbuf(vp, flags, slpflag, 0);
}
np->n_flag &= ~(NMODIFIED | NFLUSHINPROG);
if (np->n_flag & NFLUSHWANT) {
np->n_flag &= ~NFLUSHWANT;
wakeup((caddr_t)&np->n_flag);
}
return (error);
}
/*
* nwfs_create call
* Create a regular file. On entry the directory to contain the file being
* created is locked. We must release before we return.
*
* nwfs_create(struct vnode *a_dvp, struct vnode **a_vpp,
* struct componentname *a_cnpl, struct vattr *a_vap)
*/
static int
nwfs_create(struct vop_old_create_args *ap)
{
struct vnode *dvp = ap->a_dvp;
struct vattr *vap = ap->a_vap;
struct vnode **vpp=ap->a_vpp;
struct componentname *cnp = ap->a_cnp;
struct vnode *vp = NULL;
int error = 0, fmode;
struct vattr vattr;
struct nwnode *np;
struct ncp_open_info no;
struct nwmount *nmp=VTONWFS(dvp);
ncpfid fid;
NCPVNDEBUG("\n");
*vpp = NULL;
if (vap->va_type == VSOCK)
return (EOPNOTSUPP);
if ((error = VOP_GETATTR(dvp, &vattr))) {
return (error);
}
fmode = AR_READ | AR_WRITE;
/* if (vap->va_vaflags & VA_EXCLUSIVE)
fmode |= AR_DENY_READ | AR_DENY_WRITE;*/
error = ncp_open_create_file_or_subdir(nmp,dvp,cnp->cn_namelen,cnp->cn_nameptr,
OC_MODE_CREATE | OC_MODE_OPEN | OC_MODE_REPLACE,
0, fmode, &no, cnp->cn_td, cnp->cn_cred);
if (!error) {
error = ncp_close_file(NWFSTOCONN(nmp), &no.fh, cnp->cn_td,cnp->cn_cred);
fid.f_parent = VTONW(dvp)->n_fid.f_id;
fid.f_id = no.fattr.dirEntNum;
error = nwfs_nget(VTOVFS(dvp), fid, &no.fattr, dvp, &vp);
if (!error) {
np = VTONW(vp);
np->opened = 0;
*vpp = vp;
}
}
return (error);
}
int
ncp_DeleteNSEntry(struct nwmount *nmp, u_int32_t dirent,
int namelen,char *name,struct thread *td,struct ucred *cred)
{
struct ncp_rq *rqp;
int error;
struct ncp_conn *conn=NWFSTOCONN(nmp);
error = ncp_rq_alloc(87, conn, td, cred, &rqp);
if (error)
return error;
mb_put_uint8(&rqp->rq, 8); /* subfunction */
mb_put_uint8(&rqp->rq, nmp->name_space);
mb_put_uint8(&rqp->rq, 0); /* reserved */
mb_put_uint16le(&rqp->rq, SA_ALL); /* search attribs: all */
ncp_rq_dbase_path(rqp, nmp->n_volume, dirent, namelen, name, &nmp->m.nls);
error = ncp_request(rqp);
if (!error)
ncp_rq_done(rqp);
return error;
}
/*
* nwfs_ioctl(struct vnode *a_vp, u_long a_command, caddr_t a_data,
* int a_fflag, struct ucred *a_cred)
*/
int
nwfs_ioctl(struct vop_ioctl_args *ap)
{
int error;
struct thread *td = curthread; /* XXX */
struct ucred *cred = ap->a_cred;
struct vnode *vp = ap->a_vp;
struct nwnode *np = VTONW(vp);
struct nwmount *nmp = VTONWFS(vp);
struct ncp_conn *conn = NWFSTOCONN(nmp);
struct ncp_handle *hp;
struct nw_entry_info *fap;
void *data = ap->a_data;
switch (ap->a_command) {
case NWFSIOC_GETCONN:
error = ncp_conn_lock(conn, td, cred, NCPM_READ);
if (error) break;
error = ncp_conn_gethandle(conn, td, &hp);
ncp_conn_unlock(conn, td);
if (error) break;
*(int*)data = hp->nh_id;
break;
case NWFSIOC_GETEINFO:
if ((error = VOP_EACCESS(vp, VEXEC, cred))) break;
fap = data;
error = ncp_obtain_info(nmp, np->n_fid.f_id, 0, NULL, fap,
td, ap->a_cred);
strcpy(fap->entryName, np->n_name);
fap->nameLen = np->n_nmlen;
break;
case NWFSIOC_GETNS:
if ((error = VOP_EACCESS(vp, VEXEC, cred))) break;
*(int*)data = nmp->name_space;
break;
default:
error = EINVAL;
}
return (error);
}
/*
* nwfs_remove call. It isn't possible to emulate UFS behaivour because
* NetWare doesn't allow delete/rename operations on an opened file.
*
* nwfs_remove(struct vnode *a_dvp,
* struct vnode *a_vp, struct componentname *a_cnp)
*/
static int
nwfs_remove(struct vop_old_remove_args *ap)
{
struct vnode *vp = ap->a_vp;
struct vnode *dvp = ap->a_dvp;
struct componentname *cnp = ap->a_cnp;
struct nwnode *np = VTONW(vp);
struct nwmount *nmp = VTONWFS(vp);
int error;
if (vp->v_type == VDIR || np->opened || VREFCNT(vp) > 1) {
error = EPERM;
} else if (!ncp_conn_valid(NWFSTOCONN(nmp))) {
error = EIO;
} else {
error = ncp_DeleteNSEntry(nmp, VTONW(dvp)->n_fid.f_id,
cnp->cn_namelen,cnp->cn_nameptr,cnp->cn_td,cnp->cn_cred);
if (error == 0)
np->n_flag |= NSHOULDFREE;
else if (error == 0x899c)
error = EACCES;
}
return (error);
}
/*
* Do an I/O operation to/from a cache block.
*/
int
nwfs_doio(struct vnode *vp, struct bio *bio, struct ucred *cr, struct thread *td)
{
struct buf *bp = bio->bio_buf;
struct uio *uiop;
struct nwnode *np;
struct nwmount *nmp;
int error = 0;
struct uio uio;
struct iovec io;
np = VTONW(vp);
nmp = VFSTONWFS(vp->v_mount);
uiop = &uio;
uiop->uio_iov = &io;
uiop->uio_iovcnt = 1;
uiop->uio_segflg = UIO_SYSSPACE;
uiop->uio_td = td;
if (bp->b_cmd == BUF_CMD_READ) {
io.iov_len = uiop->uio_resid = (size_t)bp->b_bcount;
io.iov_base = bp->b_data;
uiop->uio_rw = UIO_READ;
switch (vp->v_type) {
case VREG:
uiop->uio_offset = bio->bio_offset;
error = ncp_read(NWFSTOCONN(nmp), &np->n_fh, uiop, cr);
if (error)
break;
if (uiop->uio_resid) {
size_t left = uiop->uio_resid;
size_t nread = bp->b_bcount - left;
if (left > 0)
bzero((char *)bp->b_data + nread, left);
}
break;
/* case VDIR:
nfsstats.readdir_bios++;
uiop->uio_offset = bio->bio_offset;
if (nmp->nm_flag & NFSMNT_RDIRPLUS) {
error = nfs_readdirplusrpc(vp, uiop, cr);
if (error == NFSERR_NOTSUPP)
nmp->nm_flag &= ~NFSMNT_RDIRPLUS;
}
if ((nmp->nm_flag & NFSMNT_RDIRPLUS) == 0)
error = nfs_readdirrpc(vp, uiop, cr);
if (error == 0 && uiop->uio_resid == (size_t)bp->b_bcount)
bp->b_flags |= B_INVAL;
break;
*/
default:
kprintf("nwfs_doio: type %x unexpected\n",vp->v_type);
break;
}
if (error) {
bp->b_flags |= B_ERROR;
bp->b_error = error;
}
} else { /* write */
KKASSERT(bp->b_cmd == BUF_CMD_WRITE);
if (bio->bio_offset + bp->b_dirtyend > np->n_size)
bp->b_dirtyend = np->n_size - bio->bio_offset;
if (bp->b_dirtyend > bp->b_dirtyoff) {
io.iov_len = uiop->uio_resid =
(size_t)(bp->b_dirtyend - bp->b_dirtyoff);
uiop->uio_offset = bio->bio_offset + bp->b_dirtyoff;
io.iov_base = (char *)bp->b_data + bp->b_dirtyoff;
uiop->uio_rw = UIO_WRITE;
error = ncp_write(NWFSTOCONN(nmp), &np->n_fh, uiop, cr);
/*
* For an interrupted write, the buffer is still valid
* and the write hasn't been pushed to the server yet,
* so we can't set B_ERROR and report the interruption
* by setting B_EINTR. For the async case, B_EINTR
* is not relevant, so the rpc attempt is essentially
* a noop. For the case of a V3 write rpc not being
* committed to stable storage, the block is still
* dirty and requires either a commit rpc or another
* write rpc with iomode == NFSV3WRITE_FILESYNC before
* the block is reused. This is indicated by setting
* the B_DELWRI and B_NEEDCOMMIT flags.
*/
if (error == EINTR
|| (!error && (bp->b_flags & B_NEEDCOMMIT))) {
crit_enter();
bp->b_flags &= ~(B_INVAL|B_NOCACHE);
if ((bp->b_flags & B_PAGING) == 0)
bdirty(bp);
bp->b_flags |= B_EINTR;
crit_exit();
} else {
if (error) {
bp->b_flags |= B_ERROR;
bp->b_error /*= np->n_error */= error;
/* np->n_flag |= NWRITEERR;*/
}
bp->b_dirtyoff = bp->b_dirtyend = 0;
}
} else {
bp->b_resid = 0;
biodone(bio);
return (0);
}
}
bp->b_resid = (int)uiop->uio_resid;
biodone(bio);
return (error);
}
/* Return locked vnode to root of a filesystem */
static int
nwfs_root(struct mount *mp, struct vnode **vpp)
{
struct vnode *vp;
struct nwmount *nmp;
struct nwnode *np;
struct ncp_conn *conn;
struct nw_entry_info fattr;
struct thread *td = curthread; /* XXX */
struct ucred *cred;
int error, nsf, opt;
u_char vol;
KKASSERT(td->td_proc);
cred = td->td_proc->p_ucred;
nmp = VFSTONWFS(mp);
conn = NWFSTOCONN(nmp);
if (nmp->n_root) {
*vpp = NWTOV(nmp->n_root);
while (vget(*vpp, LK_EXCLUSIVE) != 0) /* XXX */
;
return 0;
}
error = ncp_lookup_volume(conn, nmp->m.mounted_vol, &vol,
&nmp->n_rootent.f_id, td, cred);
if (error)
return ENOENT;
nmp->n_volume = vol;
error = ncp_get_namespaces(conn, vol, &nsf, td, cred);
if (error)
return ENOENT;
if (nsf & NW_NSB_OS2) {
NCPVODEBUG("volume %s has os2 namespace\n",nmp->m.mounted_vol);
if ((nmp->m.flags & NWFS_MOUNT_NO_OS2) == 0) {
nmp->name_space = NW_NS_OS2;
nmp->m.nls.opt &= ~NWHP_DOS;
}
}
opt = nmp->m.nls.opt;
nsf = opt & (NWHP_UPPER | NWHP_LOWER);
if (opt & NWHP_DOS) {
if (nsf == (NWHP_UPPER | NWHP_LOWER)) {
nmp->m.nls.opt &= ~(NWHP_LOWER | NWHP_UPPER);
} else if (nsf == 0) {
nmp->m.nls.opt |= NWHP_LOWER;
}
} else {
if (nsf == (NWHP_UPPER | NWHP_LOWER)) {
nmp->m.nls.opt &= ~(NWHP_LOWER | NWHP_UPPER);
}
}
if (nmp->m.root_path[0]) {
nmp->m.root_path[0]--;
error = ncp_obtain_info(nmp, nmp->n_rootent.f_id,
-nmp->m.root_path[0], nmp->m.root_path, &fattr, td, cred);
if (error) {
NCPFATAL("Invalid root path specified\n");
return ENOENT;
}
nmp->n_rootent.f_parent = fattr.dirEntNum;
nmp->m.root_path[0]++;
error = ncp_obtain_info(nmp, nmp->n_rootent.f_id,
-nmp->m.root_path[0], nmp->m.root_path, &fattr, td, cred);
if (error) {
NCPFATAL("Invalid root path specified\n");
return ENOENT;
}
nmp->n_rootent.f_id = fattr.dirEntNum;
} else {
error = ncp_obtain_info(nmp, nmp->n_rootent.f_id,
0, NULL, &fattr, td, cred);
if (error) {
NCPFATAL("Can't obtain volume info\n");
return ENOENT;
}
fattr.nameLen = strlen(strcpy(fattr.entryName, NWFS_ROOTVOL));
nmp->n_rootent.f_parent = nmp->n_rootent.f_id;
}
error = nwfs_nget(mp, nmp->n_rootent, &fattr, NULL, &vp);
if (error)
return (error);
vsetflags(vp, VROOT);
np = VTONW(vp);
if (nmp->m.root_path[0] == 0)
np->n_flag |= NVOLUME;
nmp->n_root = np;
/* error = VOP_GETATTR(vp, &vattr);
if (error) {
vput(vp);
NCPFATAL("Can't get root directory entry\n");
return error;
}*/
*vpp = vp;
return (0);
}
/*
* Vnode op for VM putpages.
* possible bug: all IO done in sync mode
* Note that vop_close always invalidate pages before close, so it's
* not necessary to open vnode.
*
* nwfs_putpages(struct vnode *a_vp, vm_page_t *a_m, int a_count,
* int a_sync, int *a_rtvals, vm_ooffset_t a_offset)
*/
int
nwfs_putpages(struct vop_putpages_args *ap)
{
int error;
struct thread *td = curthread; /* XXX */
struct vnode *vp = ap->a_vp;
struct ucred *cred;
#ifndef NWFS_RWCACHE
KKASSERT(td->td_proc);
cred = td->td_proc->p_ucred; /* XXX */
VOP_OPEN(vp, FWRITE, cred, NULL);
error = vnode_pager_generic_putpages(ap->a_vp, ap->a_m, ap->a_count,
ap->a_sync, ap->a_rtvals);
VOP_CLOSE(vp, FWRITE, cred);
return error;
#else
struct uio uio;
struct iovec iov;
vm_offset_t kva;
struct buf *bp;
int i, npages, count;
int *rtvals;
struct nwmount *nmp;
struct nwnode *np;
vm_page_t *pages;
KKASSERT(td->td_proc);
cred = td->td_proc->p_ucred; /* XXX */
/* VOP_OPEN(vp, FWRITE, cred, NULL);*/
np = VTONW(vp);
nmp = VFSTONWFS(vp->v_mount);
pages = ap->a_m;
count = ap->a_count;
rtvals = ap->a_rtvals;
npages = btoc(count);
for (i = 0; i < npages; i++) {
rtvals[i] = VM_PAGER_AGAIN;
}
bp = getpbuf_kva(&nwfs_pbuf_freecnt);
kva = (vm_offset_t) bp->b_data;
pmap_qenter(kva, pages, npages);
iov.iov_base = (caddr_t) kva;
iov.iov_len = count;
uio.uio_iov = &iov;
uio.uio_iovcnt = 1;
uio.uio_offset = IDX_TO_OFF(pages[0]->pindex);
uio.uio_resid = count;
uio.uio_segflg = UIO_SYSSPACE;
uio.uio_rw = UIO_WRITE;
uio.uio_td = td;
NCPVNDEBUG("ofs=%d,resid=%d\n",(int)uio.uio_offset, uio.uio_resid);
error = ncp_write(NWFSTOCONN(nmp), &np->n_fh, &uio, cred);
/* VOP_CLOSE(vp, FWRITE, cred);*/
NCPVNDEBUG("paged write done: %d\n", error);
pmap_qremove(kva, npages);
relpbuf(bp, &nwfs_pbuf_freecnt);
if (!error) {
int nwritten = round_page(count - uio.uio_resid) / PAGE_SIZE;
for (i = 0; i < nwritten; i++) {
rtvals[i] = VM_PAGER_OK;
vm_page_undirty(pages[i]);
}
}
return rtvals[0];
#endif /* NWFS_RWCACHE */
}
/*
* nwfs_file rename call
*
* nwfs_rename(struct vnode *a_fdvp, struct vnode *a_fvp,
* struct componentname *a_fcnp, struct vnode *a_tdvp,
* struct vnode *a_tvp, struct componentname *a_tcnp)
*/
static int
nwfs_rename(struct vop_old_rename_args *ap)
{
struct vnode *fvp = ap->a_fvp;
struct vnode *tvp = ap->a_tvp;
struct vnode *fdvp = ap->a_fdvp;
struct vnode *tdvp = ap->a_tdvp;
struct componentname *tcnp = ap->a_tcnp;
struct componentname *fcnp = ap->a_fcnp;
struct nwmount *nmp=VTONWFS(fvp);
u_int16_t oldtype = 6;
int error=0;
/* Check for cross-device rename */
if ((fvp->v_mount != tdvp->v_mount) ||
(tvp && (fvp->v_mount != tvp->v_mount))) {
error = EXDEV;
goto out;
}
if (tvp && VREFCNT(tvp) > 1) {
error = EBUSY;
goto out;
}
if (tvp && tvp != fvp) {
error = ncp_DeleteNSEntry(nmp, VTONW(tdvp)->n_fid.f_id,
tcnp->cn_namelen, tcnp->cn_nameptr,
tcnp->cn_td, tcnp->cn_cred);
if (error == 0x899c) error = EACCES;
if (error)
goto out;
}
if (fvp->v_type == VDIR) {
oldtype |= NW_TYPE_SUBDIR;
} else if (fvp->v_type == VREG) {
oldtype |= NW_TYPE_FILE;
} else
return EINVAL;
error = ncp_nsrename(NWFSTOCONN(nmp), nmp->n_volume, nmp->name_space,
oldtype, &nmp->m.nls,
VTONW(fdvp)->n_fid.f_id, fcnp->cn_nameptr, fcnp->cn_namelen,
VTONW(tdvp)->n_fid.f_id, tcnp->cn_nameptr, tcnp->cn_namelen,
tcnp->cn_td,tcnp->cn_cred);
if (error == 0x8992)
error = EEXIST;
out:
if (tdvp == tvp)
vrele(tdvp);
else
vput(tdvp);
if (tvp)
vput(tvp);
vrele(fdvp);
vrele(fvp);
nwfs_attr_cacheremove(fdvp);
nwfs_attr_cacheremove(tdvp);
/*
* Need to get rid of old vnodes, because netware will change
* file id on rename
*/
vgone_vxlocked(fvp);
if (tvp)
vgone_vxlocked(tvp);
/*
* Kludge: Map ENOENT => 0 assuming that it is a reply to a retry.
*/
if (error == ENOENT)
error = 0;
return (error);
}
/*
* Vnode op for VM getpages.
* Wish wish .... get rid from multiple IO routines
*
* nwfs_getpages(struct vnode *a_vp, vm_page_t *a_m, int a_count,
* int a_reqpage, vm_ooffset_t a_offset)
*/
int
nwfs_getpages(struct vop_getpages_args *ap)
{
#ifndef NWFS_RWCACHE
return vnode_pager_generic_getpages(ap->a_vp, ap->a_m, ap->a_count,
ap->a_reqpage, ap->a_seqaccess);
#else
int i, error, npages;
size_t nextoff, toff;
size_t count;
size_t size;
struct uio uio;
struct iovec iov;
vm_offset_t kva;
struct buf *bp;
struct vnode *vp;
struct thread *td = curthread; /* XXX */
struct ucred *cred;
struct nwmount *nmp;
struct nwnode *np;
vm_page_t *pages;
KKASSERT(td->td_proc);
cred = td->td_proc->p_ucred;
vp = ap->a_vp;
np = VTONW(vp);
nmp = VFSTONWFS(vp->v_mount);
pages = ap->a_m;
count = (size_t)ap->a_count;
if (vp->v_object == NULL) {
kprintf("nwfs_getpages: called with non-merged cache vnode??\n");
return VM_PAGER_ERROR;
}
bp = getpbuf_kva(&nwfs_pbuf_freecnt);
npages = btoc(count);
kva = (vm_offset_t) bp->b_data;
pmap_qenter(kva, pages, npages);
iov.iov_base = (caddr_t) kva;
iov.iov_len = count;
uio.uio_iov = &iov;
uio.uio_iovcnt = 1;
uio.uio_offset = IDX_TO_OFF(pages[0]->pindex);
uio.uio_resid = count;
uio.uio_segflg = UIO_SYSSPACE;
uio.uio_rw = UIO_READ;
uio.uio_td = td;
error = ncp_read(NWFSTOCONN(nmp), &np->n_fh, &uio,cred);
pmap_qremove(kva, npages);
relpbuf(bp, &nwfs_pbuf_freecnt);
if (error && (uio.uio_resid == count)) {
kprintf("nwfs_getpages: error %d\n",error);
for (i = 0; i < npages; i++) {
if (ap->a_reqpage != i)
vnode_pager_freepage(pages[i]);
}
return VM_PAGER_ERROR;
}
size = count - uio.uio_resid;
for (i = 0, toff = 0; i < npages; i++, toff = nextoff) {
vm_page_t m;
nextoff = toff + PAGE_SIZE;
m = pages[i];
m->flags &= ~PG_ZERO;
/*
* NOTE: pmap dirty bit should have already been cleared.
* We do not clear it here.
*/
if (nextoff <= size) {
m->valid = VM_PAGE_BITS_ALL;
m->dirty = 0;
} else {
int nvalid = ((size + DEV_BSIZE - 1) - toff) &
~(DEV_BSIZE - 1);
vm_page_set_validclean(m, 0, nvalid);
}
if (i != ap->a_reqpage) {
/*
* Whether or not to leave the page activated is up in
* the air, but we should put the page on a page queue
* somewhere (it already is in the object). Result:
* It appears that emperical results show that
* deactivating pages is best.
*/
/*
* Just in case someone was asking for this page we
* now tell them that it is ok to use.
*/
if (!error) {
if (m->flags & PG_REFERENCED)
vm_page_activate(m);
else
vm_page_deactivate(m);
vm_page_wakeup(m);
} else {
vnode_pager_freepage(m);
}
}
}
return 0;
#endif /* NWFS_RWCACHE */
}
