diff options
Diffstat (limited to 'freebsd/sys/kern/vfs_vnops.c')
| -rw-r--r-- | freebsd/sys/kern/vfs_vnops.c | 93 |
1 files changed, 91 insertions, 2 deletions
diff --git a/freebsd/sys/kern/vfs_vnops.c b/freebsd/sys/kern/vfs_vnops.c index bdd6692d..023d387d 100644 --- a/freebsd/sys/kern/vfs_vnops.c +++ b/freebsd/sys/kern/vfs_vnops.c @@ -1,3 +1,5 @@ +#include <machine/rtems-bsd-kernel-space.h> + /*- * SPDX-License-Identifier: BSD-3-Clause * @@ -45,7 +47,7 @@ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); -#include "opt_hwpmc_hooks.h" +#include <rtems/bsd/local/opt_hwpmc_hooks.h> #include <sys/param.h> #include <sys/systm.h> @@ -74,7 +76,7 @@ __FBSDID("$FreeBSD$"); #include <sys/ttycom.h> #include <sys/conf.h> #include <sys/syslog.h> -#include <sys/unistd.h> +#include <rtems/bsd/sys/unistd.h> #include <sys/user.h> #include <security/audit/audit.h> @@ -114,10 +116,14 @@ struct fileops vnops = { .fo_close = vn_closefile, .fo_chmod = vn_chmod, .fo_chown = vn_chown, +#ifndef __rtems__ .fo_sendfile = vn_sendfile, +#endif /* __rtems__ */ .fo_seek = vn_seek, +#ifndef __rtems__ .fo_fill_kinfo = vn_fill_kinfo, .fo_mmap = vn_mmap, +#endif /* __rtems__ */ .fo_flags = DFLAG_PASSABLE | DFLAG_SEEKABLE }; @@ -353,8 +359,10 @@ vn_open_vnode(struct vnode *vp, int fmode, struct ucred *cred, } if (fmode & FREAD) accmode |= VREAD; +#ifndef __rtems__ if (fmode & FEXEC) accmode |= VEXEC; +#endif /* __rtems__ */ if ((fmode & O_APPEND) && (fmode & FWRITE)) accmode |= VAPPEND; #ifdef MAC @@ -394,7 +402,9 @@ vn_open_vnode(struct vnode *vp, int fmode, struct ucred *cred, * Arrange for that by having fdrop() to use vn_closefile(). */ if (error != 0) { +#ifndef __rtems__ fp->f_flag |= FOPENFAILED; +#endif /* __rtems__ */ fp->f_vnode = vp; if (fp->f_ops == &badfileops) { fp->f_type = DTYPE_VNODE; @@ -448,7 +458,11 @@ vn_close1(struct vnode *vp, int flags, struct ucred *file_cred, vn_start_write(vp, &mp, V_WAIT); vn_lock(vp, lock_flags | LK_RETRY); AUDIT_ARG_VNODE1(vp); +#ifndef __rtems__ if ((flags & (FWRITE | FOPENFAILED)) == FWRITE) { +#else /* __rtems__ */ + if ((flags & FWRITE) == FWRITE) { +#endif /* __rtems__ */ VOP_ADD_WRITECOUNT_CHECKED(vp, -1); CTR3(KTR_VFS, "%s: vp %p v_writecount decreased to %d", __func__, vp, vp->v_writecount); @@ -478,8 +492,10 @@ sequential_heuristic(struct uio *uio, struct file *fp) { ASSERT_VOP_LOCKED(fp->f_vnode, __func__); +#ifndef __rtems__ if (fp->f_flag & FRDAHEAD) return (fp->f_seqcount << IO_SEQSHIFT); +#endif /* __rtems__ */ /* * Offset 0 is handled specially. open() sets f_seqcount to 1 so @@ -752,6 +768,7 @@ foffset_unlock_uio(struct file *fp, struct uio *uio, int flags) static int get_advice(struct file *fp, struct uio *uio) { +#ifndef __rtems__ struct mtx *mtxp; int ret; @@ -767,6 +784,9 @@ get_advice(struct file *fp, struct uio *uio) ret = fp->f_advice->fa_advice; mtx_unlock(mtxp); return (ret); +#else /* __rtems__ */ + return (POSIX_FADV_NORMAL); +#endif /* __rtems__ */ } /* @@ -946,7 +966,9 @@ vn_io_fault_doio(struct vn_io_fault_args *args, struct uio *uio, int error, save; error = 0; +#ifndef __rtems__ save = vm_fault_disable_pagefaults(); +#endif /* __rtems__ */ switch (args->kind) { case VN_IO_FAULT_FOP: error = (args->args.fop_args.doio)(args->args.fop_args.fp, @@ -965,24 +987,31 @@ vn_io_fault_doio(struct vn_io_fault_args *args, struct uio *uio, panic("vn_io_fault_doio: unknown kind of io %d %d", args->kind, uio->uio_rw); } +#ifndef __rtems__ vm_fault_enable_pagefaults(save); +#endif /* __rtems__ */ return (error); } static int vn_io_fault_touch(char *base, const struct uio *uio) { +#ifndef __rtems__ int r; r = fubyte(base); if (r == -1 || (uio->uio_rw == UIO_READ && subyte(base, r) == -1)) return (EFAULT); return (0); +#else /* __rtems__ */ + return (EFAULT); +#endif /* __rtems__ */ } static int vn_io_fault_prefault_user(const struct uio *uio) { +#ifndef __rtems__ char *base; const struct iovec *iov; size_t len; @@ -1020,6 +1049,9 @@ vn_io_fault_prefault_user(const struct uio *uio) } } return (error); +#else /* __rtems__ */ + return (EFAULT); +#endif /* __rtems__ */ } /* @@ -1042,6 +1074,9 @@ vn_io_fault1(struct vnode *vp, struct uio *uio, struct vn_io_fault_args *args, size_t len, resid; ssize_t adv; int error, cnt, saveheld, prev_td_ma_cnt; +#ifdef __rtems__ + struct uio uio_clone_; +#endif /* __rtems__ */ if (vn_io_fault_prefault) { error = vn_io_fault_prefault_user(uio); @@ -1060,7 +1095,12 @@ vn_io_fault1(struct vnode *vp, struct uio *uio, struct vn_io_fault_args *args, * Cache a copy of the original uio, which is advanced to the redo * point using UIO_NOCOPY below. */ +#ifndef __rtems__ uio_clone = cloneuio(uio); +#else /* __rtems__ */ + uio_clone_ = *uio; + uio_clone = &uio_clone_; +#endif /* __rtems__ */ resid = uio->uio_resid; short_uio.uio_segflg = UIO_USERSPACE; @@ -1076,9 +1116,11 @@ vn_io_fault1(struct vnode *vp, struct uio *uio, struct vn_io_fault_args *args, uiomove(NULL, resid - uio->uio_resid, uio_clone); uio_clone->uio_segflg = uio->uio_segflg; +#ifndef __rtems__ saveheld = curthread_pflags_set(TDP_UIOHELD); prev_td_ma = td->td_ma; prev_td_ma_cnt = td->td_ma_cnt; +#endif /* __rtems__ */ while (uio_clone->uio_resid != 0) { len = uio_clone->uio_iov->iov_len; @@ -1098,6 +1140,7 @@ vn_io_fault1(struct vnode *vp, struct uio *uio, struct vn_io_fault_args *args, break; } cnt = atop(end - trunc_page(addr)); +#ifndef __rtems__ /* * A perfectly misaligned address and length could cause * both the start and the end of the chunk to use partial @@ -1109,16 +1152,21 @@ vn_io_fault1(struct vnode *vp, struct uio *uio, struct vn_io_fault_args *args, error = EFAULT; break; } +#endif /* __rtems__ */ short_uio.uio_iov = &short_iovec[0]; short_iovec[0].iov_base = (void *)addr; short_uio.uio_iovcnt = 1; short_uio.uio_resid = short_iovec[0].iov_len = len; short_uio.uio_offset = uio_clone->uio_offset; +#ifndef __rtems__ td->td_ma = ma; td->td_ma_cnt = cnt; +#endif /* __rtems__ */ error = vn_io_fault_doio(args, &short_uio, td); +#ifndef __rtems__ vm_page_unhold_pages(ma, cnt); +#endif /* __rtems__ */ adv = len - short_uio.uio_resid; uio_clone->uio_iov->iov_base = @@ -1133,11 +1181,15 @@ vn_io_fault1(struct vnode *vp, struct uio *uio, struct vn_io_fault_args *args, if (error != 0 || adv == 0) break; } +#ifndef __rtems__ td->td_ma = prev_td_ma; td->td_ma_cnt = prev_td_ma_cnt; curthread_pflags_restore(saveheld); +#endif /* __rtems__ */ out: +#ifndef __rtems__ free(uio_clone, M_IOV); +#endif /* __rtems__ */ return (error); } @@ -1145,6 +1197,7 @@ static int vn_io_fault(struct file *fp, struct uio *uio, struct ucred *active_cred, int flags, struct thread *td) { +#ifdef __rtems__ fo_rdwr_t *doio; struct vnode *vp; void *rl_cookie; @@ -1178,6 +1231,9 @@ vn_io_fault(struct file *fp, struct uio *uio, struct ucred *active_cred, } foffset_unlock_uio(fp, uio, flags); return (error); +#else /* __rtems__ */ + return (EFAULT); +#endif /* __rtems__ */ } /* @@ -1195,6 +1251,8 @@ vn_io_fault(struct file *fp, struct uio *uio, struct ucred *active_cred, int vn_io_fault_uiomove(char *data, int xfersize, struct uio *uio) { +#ifndef __rtems__ + return (EFAULT); struct uio transp_uio; struct iovec transp_iov[1]; struct thread *td; @@ -1204,8 +1262,10 @@ vn_io_fault_uiomove(char *data, int xfersize, struct uio *uio) td = curthread; if ((td->td_pflags & TDP_UIOHELD) == 0 || uio->uio_segflg != UIO_USERSPACE) +#endif /* __rtems__ */ return (uiomove(data, xfersize, uio)); +#ifndef __rtems__ KASSERT(uio->uio_iovcnt == 1, ("uio_iovcnt %d", uio->uio_iovcnt)); transp_iov[0].iov_base = data; transp_uio.uio_iov = &transp_iov[0]; @@ -1246,12 +1306,14 @@ vn_io_fault_uiomove(char *data, int xfersize, struct uio *uio) uio->uio_resid -= adv; uio->uio_offset += adv; return (error); +#endif /* __rtems__ */ } int vn_io_fault_pgmove(vm_page_t ma[], vm_offset_t offset, int xfersize, struct uio *uio) { +#ifndef __rtems__ struct thread *td; vm_offset_t iov_base; int cnt, pgadv; @@ -1284,6 +1346,9 @@ vn_io_fault_pgmove(vm_page_t ma[], vm_offset_t offset, int xfersize, uio->uio_resid -= cnt; uio->uio_offset += cnt; return (0); +#else /* __rtems__ */ + return (EFAULT); +#endif /* __rtems__ */ } @@ -1440,7 +1505,9 @@ vn_stat(struct vnode *vp, struct stat *sb, struct ucred *active_cred, sb->st_atim = vap->va_atime; sb->st_mtim = vap->va_mtime; sb->st_ctim = vap->va_ctime; +#ifndef __rtems__ sb->st_birthtim = vap->va_birthtime; +#endif /* __rtems__ */ /* * According to www.opengroup.org, the meaning of st_blksize is @@ -1452,11 +1519,13 @@ vn_stat(struct vnode *vp, struct stat *sb, struct ucred *active_cred, sb->st_blksize = max(PAGE_SIZE, vap->va_blocksize); +#ifndef __rtems__ sb->st_flags = vap->va_flags; if (priv_check(td, PRIV_VFS_GENERATION)) sb->st_gen = 0; else sb->st_gen = vap->va_gen; +#endif /* __rtems__ */ sb->st_blocks = vap->va_bytes / S_BLKSIZE; return (0); @@ -1486,6 +1555,7 @@ vn_ioctl(struct file *fp, u_long com, void *data, struct ucred *active_cred, if (error == 0) *(int *)data = vattr.va_size - fp->f_offset; return (error); +#ifndef __rtems__ case FIOBMAP2: bmarg = (struct fiobmap2_arg *)data; vn_lock(vp, LK_SHARED | LK_RETRY); @@ -1498,6 +1568,7 @@ vn_ioctl(struct file *fp, u_long com, void *data, struct ucred *active_cred, &bmarg->bn, &bmarg->runp, &bmarg->runb); VOP_UNLOCK(vp, 0); return (error); +#endif /* __rtems__ */ case FIONBIO: case FIOASYNC: return (0); @@ -1578,7 +1649,11 @@ vn_closefile(struct file *fp, struct thread *td) vp = fp->f_vnode; fp->f_ops = &badfileops; +#ifndef __rtems__ ref= (fp->f_flag & FHASLOCK) != 0 && fp->f_type == DTYPE_VNODE; +#else /* __rtems__ */ + ref = false; +#endif /* __rtems__ */ error = vn_close1(vp, fp->f_flag, fp->f_cred, td, ref); @@ -1617,7 +1692,11 @@ vn_start_write_locked(struct mount *mp, int flags) /* * Check on status of suspension. */ +#ifndef __rtems__ if ((curthread->td_pflags & TDP_IGNSUSP) == 0 || +#else /* __rtems__ */ + if ( +#endif /* __rtems__ */ mp->mnt_susp_owner != curthread) { mflags = ((mp->mnt_vfc->vfc_flags & VFCF_SBDRY) != 0 ? (flags & PCATCH) : 0) | (PUSER - 1); @@ -1864,7 +1943,9 @@ vfs_write_resume(struct mount *mp, int flags) mp->mnt_susp_owner = NULL; wakeup(&mp->mnt_writeopcount); wakeup(&mp->mnt_flag); +#ifndef __rtems__ curthread->td_pflags &= ~TDP_IGNSUSP; +#endif /* __rtems__ */ if ((flags & VR_START_WRITE) != 0) { MNT_REF(mp); mp->mnt_writeopcount++; @@ -1910,7 +1991,9 @@ vfs_write_suspend_umnt(struct mount *mp) mp->mnt_kern_flag &= ~(MNTK_SUSPENDED | MNTK_SUSPEND2); wakeup(&mp->mnt_flag); MNT_IUNLOCK(mp); +#ifndef __rtems__ curthread->td_pflags |= TDP_IGNSUSP; +#endif /* __rtems__ */ return (0); } @@ -2106,9 +2189,11 @@ vn_rlimit_fsize(const struct vnode *vp, const struct uio *uio, return (0); if ((uoff_t)uio->uio_offset + uio->uio_resid > lim_cur(td, RLIMIT_FSIZE)) { +#ifndef __rtems__ PROC_LOCK(td->td_proc); kern_psignal(td->td_proc, SIGXFSZ); PROC_UNLOCK(td->td_proc); +#endif /* __rtems__ */ return (EFBIG); } return (0); @@ -2147,6 +2232,7 @@ vn_chown(struct file *fp, uid_t uid, gid_t gid, struct ucred *active_cred, void vn_pages_remove(struct vnode *vp, vm_pindex_t start, vm_pindex_t end) { +#ifndef __rtems__ vm_object_t object; if ((object = vp->v_object) == NULL) @@ -2154,6 +2240,7 @@ vn_pages_remove(struct vnode *vp, vm_pindex_t start, vm_pindex_t end) VM_OBJECT_WLOCK(object); vm_object_page_remove(object, start, end, 0); VM_OBJECT_WUNLOCK(object); +#endif /* __rtems__ */ } int @@ -2386,6 +2473,7 @@ vn_fill_kinfo_vnode(struct vnode *vp, struct kinfo_file *kif) return (0); } +#ifndef __rtems__ int vn_mmap(struct file *fp, vm_map_t map, vm_offset_t *addr, vm_size_t size, vm_prot_t prot, vm_prot_t cap_maxprot, int flags, vm_ooffset_t foff, @@ -2499,6 +2587,7 @@ vn_mmap(struct file *fp, vm_map_t map, vm_offset_t *addr, vm_size_t size, #endif return (error); } +#endif /* __rtems__ */ void vn_fsid(struct vnode *vp, struct vattr *va) |