diff options
Diffstat (limited to 'freebsd/sys/sys/file.h')
| -rw-r--r-- | freebsd/sys/sys/file.h | 129 |
1 files changed, 94 insertions, 35 deletions
diff --git a/freebsd/sys/sys/file.h b/freebsd/sys/sys/file.h index 4ac69413..4fcbbde0 100644 --- a/freebsd/sys/sys/file.h +++ b/freebsd/sys/sys/file.h @@ -42,7 +42,9 @@ #include <sys/refcount.h> #include <sys/_lock.h> #include <sys/_mutex.h> +#include <vm/vm.h> +struct filedesc; struct stat; struct thread; struct uio; @@ -64,12 +66,15 @@ struct socket; #define DTYPE_SEM 9 /* posix semaphore */ #define DTYPE_PTS 10 /* pseudo teletype master device */ #define DTYPE_DEV 11 /* Device specific fd type */ -#define DTYPE_CAPABILITY 12 /* capability */ -#define DTYPE_PROCDESC 13 /* process descriptor */ +#define DTYPE_PROCDESC 12 /* process descriptor */ +#define DTYPE_LINUXEFD 13 /* emulation eventfd type */ #ifdef _KERNEL struct file; +struct filecaps; +struct kaiocb; +struct kinfo_file; struct ucred; #define FOF_OFFSET 0x01 /* Use the offset in uio argument */ @@ -105,6 +110,17 @@ typedef int fo_chmod_t(struct file *fp, mode_t mode, struct ucred *active_cred, struct thread *td); typedef int fo_chown_t(struct file *fp, uid_t uid, gid_t gid, struct ucred *active_cred, struct thread *td); +typedef int fo_sendfile_t(struct file *fp, int sockfd, struct uio *hdr_uio, + struct uio *trl_uio, off_t offset, size_t nbytes, + off_t *sent, int flags, struct thread *td); +typedef int fo_seek_t(struct file *fp, off_t offset, int whence, + struct thread *td); +typedef int fo_fill_kinfo_t(struct file *fp, struct kinfo_file *kif, + struct filedesc *fdp); +typedef int fo_mmap_t(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, struct thread *td); +typedef int fo_aio_queue_t(struct file *fp, struct kaiocb *job); typedef int fo_flags_t; struct fileops { @@ -118,6 +134,11 @@ struct fileops { fo_close_t *fo_close; fo_chmod_t *fo_chmod; fo_chown_t *fo_chown; + fo_sendfile_t *fo_sendfile; + fo_seek_t *fo_seek; + fo_fill_kinfo_t *fo_fill_kinfo; + fo_mmap_t *fo_mmap; + fo_aio_queue_t *fo_aio_queue; fo_flags_t fo_flags; /* DFLAG_* below */ }; @@ -136,6 +157,7 @@ struct fileops { * * Below is the list of locks that protects members in struct file. * + * (a) f_vnode lock required (shared allows both reads and writes) * (f) protected with mtx_lock(mtx_pool_find(fp)) * (d) cdevpriv_mtx * none not locked @@ -145,8 +167,6 @@ struct fadvise_info { int fa_advice; /* (f) FADV_* type. */ off_t fa_start; /* (f) Region start. */ off_t fa_end; /* (f) Region end. */ - off_t fa_prevstart; /* (f) Previous NOREUSE start. */ - off_t fa_prevend; /* (f) Previous NOREUSE end. */ }; struct file { @@ -162,7 +182,7 @@ struct file { /* * DTYPE_VNODE specific fields. */ - int f_seqcount; /* Count of sequential accesses. */ + int f_seqcount; /* (a) Count of sequential accesses. */ off_t f_nextoff; /* next expected read/write offset. */ union { struct cdev_privdata *fvn_cdevpriv; @@ -288,10 +308,6 @@ struct xfile { #ifdef _KERNEL -#ifdef MALLOC_DECLARE -MALLOC_DECLARE(M_FILE); -#endif - extern struct fileops vnops; extern struct fileops badfileops; #ifndef __rtems__ @@ -304,7 +320,7 @@ extern int maxfilesperproc; /* per process limit on number of open files */ extern volatile int openfiles; /* actual number of open files */ #ifndef __rtems__ -int fget(struct thread *td, int fd, cap_rights_t rights, struct file **fpp); +int fget(struct thread *td, int fd, cap_rights_t *rightsp, struct file **fpp); #else /* __rtems__ */ struct file *rtems_bsd_get_file(int fd); @@ -320,32 +336,30 @@ rtems_bsd_do_fget(int fd, struct file **fpp) #define fget(td, fd, rights, fpp) rtems_bsd_do_fget(fd, fpp) #endif /* __rtems__ */ -int fget_mmap(struct thread *td, int fd, cap_rights_t rights, +int fget_mmap(struct thread *td, int fd, cap_rights_t *rightsp, u_char *maxprotp, struct file **fpp); -int fget_read(struct thread *td, int fd, cap_rights_t rights, +int fget_read(struct thread *td, int fd, cap_rights_t *rightsp, struct file **fpp); -int fget_write(struct thread *td, int fd, cap_rights_t rights, +int fget_write(struct thread *td, int fd, cap_rights_t *rightsp, struct file **fpp); -int fgetcap(struct thread *td, int fd, struct file **fpp); +int fget_fcntl(struct thread *td, int fd, cap_rights_t *rightsp, + int needfcntl, struct file **fpp); int _fdrop(struct file *fp, struct thread *td); #ifndef __rtems__ -/* - * The socket operations are used a couple of places. - * XXX: This is wrong, they should go through the operations vector for - * XXX: sockets instead of going directly for the individual functions. /phk - */ -fo_rdwr_t soo_read; -fo_rdwr_t soo_write; -fo_truncate_t soo_truncate; -fo_ioctl_t soo_ioctl; -fo_poll_t soo_poll; -fo_kqfilter_t soo_kqfilter; -fo_stat_t soo_stat; -fo_close_t soo_close; - +fo_rdwr_t invfo_rdwr; +fo_truncate_t invfo_truncate; +fo_ioctl_t invfo_ioctl; +fo_poll_t invfo_poll; +fo_kqfilter_t invfo_kqfilter; fo_chmod_t invfo_chmod; fo_chown_t invfo_chown; +fo_sendfile_t invfo_sendfile; + +fo_sendfile_t vn_sendfile; +fo_seek_t vn_seek; +fo_fill_kinfo_t vn_fill_kinfo; +int vn_fill_kinfo_vnode(struct vnode *vp, struct kinfo_file *kif); #else /* __rtems__ */ int rtems_bsd_soo_kqfilter(rtems_libio_t *iop, struct knote *kn); #endif /* __rtems__ */ @@ -367,17 +381,18 @@ finit(struct file *fp, u_int fflag, short type, void *data, pathinfo->handlers = ops; } #endif /* __rtems__ */ -int fgetvp(struct thread *td, int fd, cap_rights_t rights, struct vnode **vpp); -int fgetvp_exec(struct thread *td, int fd, cap_rights_t rights, +int fgetvp(struct thread *td, int fd, cap_rights_t *rightsp, + struct vnode **vpp); +int fgetvp_exec(struct thread *td, int fd, cap_rights_t *rightsp, struct vnode **vpp); -int fgetvp_rights(struct thread *td, int fd, cap_rights_t need, - cap_rights_t *have, struct vnode **vpp); -int fgetvp_read(struct thread *td, int fd, cap_rights_t rights, +int fgetvp_rights(struct thread *td, int fd, cap_rights_t *needrightsp, + struct filecaps *havecaps, struct vnode **vpp); +int fgetvp_read(struct thread *td, int fd, cap_rights_t *rightsp, struct vnode **vpp); -int fgetvp_write(struct thread *td, int fd, cap_rights_t rights, +int fgetvp_write(struct thread *td, int fd, cap_rights_t *rightsp, struct vnode **vpp); -int fgetsock(struct thread *td, int fd, cap_rights_t rights, +int fgetsock(struct thread *td, int fd, cap_rights_t *rightsp, struct socket **spp, u_int *fflagp); void fputsock(struct socket *sp); @@ -408,6 +423,7 @@ static __inline fo_stat_t fo_stat; static __inline fo_close_t fo_close; static __inline fo_chmod_t fo_chmod; static __inline fo_chown_t fo_chown; +static __inline fo_sendfile_t fo_sendfile; static __inline int fo_read(struct file *fp, struct uio *uio, struct ucred *active_cred, @@ -516,6 +532,49 @@ fo_chown(struct file *fp, uid_t uid, gid_t gid, struct ucred *active_cred, return ((*fp->f_ops->fo_chown)(fp, uid, gid, active_cred, td)); } + +static __inline int +fo_sendfile(struct file *fp, int sockfd, struct uio *hdr_uio, + struct uio *trl_uio, off_t offset, size_t nbytes, off_t *sent, int flags, + struct thread *td) +{ + + return ((*fp->f_ops->fo_sendfile)(fp, sockfd, hdr_uio, trl_uio, offset, + nbytes, sent, flags, td)); +} + +static __inline int +fo_seek(struct file *fp, off_t offset, int whence, struct thread *td) +{ + + return ((*fp->f_ops->fo_seek)(fp, offset, whence, td)); +} + +static __inline int +fo_fill_kinfo(struct file *fp, struct kinfo_file *kif, struct filedesc *fdp) +{ + + return ((*fp->f_ops->fo_fill_kinfo)(fp, kif, fdp)); +} + +static __inline int +fo_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, + struct thread *td) +{ + + if (fp->f_ops->fo_mmap == NULL) + return (ENODEV); + return ((*fp->f_ops->fo_mmap)(fp, map, addr, size, prot, cap_maxprot, + flags, foff, td)); +} + +static __inline int +fo_aio_queue(struct file *fp, struct kaiocb *job) +{ + + return ((*fp->f_ops->fo_aio_queue)(fp, job)); +} #endif /* __rtems__ */ #endif /* _KERNEL */ |