RTDM file operation descriptor. More...

Data Fields
int(*	open )(struct rtdm_fd *fd, int oflags)
	See rtdm_open_handler(). More...

int(*	socket )(struct rtdm_fd *fd, int protocol)
	See rtdm_socket_handler(). More...

void(*	close )(struct rtdm_fd *fd)
	See rtdm_close_handler(). More...

int(*	ioctl_rt )(struct rtdm_fd fd, unsigned int request, void __user arg)
	See rtdm_ioctl_handler(). More...

int(*	ioctl_nrt )(struct rtdm_fd fd, unsigned int request, void __user arg)
	See rtdm_ioctl_handler(). More...

ssize_t(*	read_rt )(struct rtdm_fd fd, void __user buf, size_t size)
	See rtdm_read_handler(). More...

ssize_t(*	read_nrt )(struct rtdm_fd fd, void __user buf, size_t size)
	See rtdm_read_handler(). More...

ssize_t(*	write_rt )(struct rtdm_fd fd, const void __user buf, size_t size)
	See rtdm_write_handler(). More...

ssize_t(*	write_nrt )(struct rtdm_fd fd, const void __user buf, size_t size)
	See rtdm_write_handler(). More...

ssize_t(*	recvmsg_rt )(struct rtdm_fd fd, struct user_msghdr msg, int flags)
	See rtdm_recvmsg_handler(). More...

ssize_t(*	recvmsg_nrt )(struct rtdm_fd fd, struct user_msghdr msg, int flags)
	See rtdm_recvmsg_handler(). More...

ssize_t(*	sendmsg_rt )(struct rtdm_fd fd, const struct user_msghdr msg, int flags)
	See rtdm_sendmsg_handler(). More...

ssize_t(*	sendmsg_nrt )(struct rtdm_fd fd, const struct user_msghdr msg, int flags)
	See rtdm_sendmsg_handler(). More...

int(*	select )(struct rtdm_fd fd, struct xnselector selector, unsigned int type, unsigned int index)
	See rtdm_select_handler(). More...

int(*	mmap )(struct rtdm_fd fd, struct vm_area_struct vma)
	See rtdm_mmap_handler(). More...

unsigned long(*	get_unmapped_area )(struct rtdm_fd *fd, unsigned long len, unsigned long pgoff, unsigned long flags)
	See rtdm_get_unmapped_area_handler(). More...

Detailed Description

RTDM file operation descriptor.

This structure describes the operations available with a RTDM device, defining handlers for submitting I/O requests. Those handlers are implemented by RTDM device drivers.

Field Documentation

◆ close

void(* rtdm_fd_ops::close) (struct rtdm_fd *fd)

See rtdm_close_handler().

◆ get_unmapped_area

unsigned long(* rtdm_fd_ops::get_unmapped_area) (struct rtdm_fd *fd, unsigned long len, unsigned long pgoff, unsigned long flags)

See rtdm_get_unmapped_area_handler().

◆ ioctl_nrt

int(* rtdm_fd_ops::ioctl_nrt) (struct rtdm_fd *fd, unsigned int request, void __user *arg)

See rtdm_ioctl_handler().

◆ ioctl_rt

int(* rtdm_fd_ops::ioctl_rt) (struct rtdm_fd *fd, unsigned int request, void __user *arg)

See rtdm_ioctl_handler().

◆ mmap

int(* rtdm_fd_ops::mmap) (struct rtdm_fd *fd, struct vm_area_struct *vma)

See rtdm_mmap_handler().

◆ open

int(* rtdm_fd_ops::open) (struct rtdm_fd *fd, int oflags)

See rtdm_open_handler().

◆ read_nrt

ssize_t(* rtdm_fd_ops::read_nrt) (struct rtdm_fd *fd, void __user *buf, size_t size)

See rtdm_read_handler().

◆ read_rt

ssize_t(* rtdm_fd_ops::read_rt) (struct rtdm_fd *fd, void __user *buf, size_t size)

See rtdm_read_handler().

◆ recvmsg_nrt

ssize_t(* rtdm_fd_ops::recvmsg_nrt) (struct rtdm_fd *fd, struct user_msghdr *msg, int flags)

See rtdm_recvmsg_handler().

◆ recvmsg_rt

ssize_t(* rtdm_fd_ops::recvmsg_rt) (struct rtdm_fd *fd, struct user_msghdr *msg, int flags)

See rtdm_recvmsg_handler().

◆ select

int(* rtdm_fd_ops::select) (struct rtdm_fd *fd, struct xnselector *selector, unsigned int type, unsigned int index)

See rtdm_select_handler().

◆ sendmsg_nrt

ssize_t(* rtdm_fd_ops::sendmsg_nrt) (struct rtdm_fd *fd, const struct user_msghdr *msg, int flags)

See rtdm_sendmsg_handler().

◆ sendmsg_rt

ssize_t(* rtdm_fd_ops::sendmsg_rt) (struct rtdm_fd *fd, const struct user_msghdr *msg, int flags)

See rtdm_sendmsg_handler().

◆ socket

int(* rtdm_fd_ops::socket) (struct rtdm_fd *fd, int protocol)

See rtdm_socket_handler().

◆ write_nrt

ssize_t(* rtdm_fd_ops::write_nrt) (struct rtdm_fd *fd, const void __user *buf, size_t size)

See rtdm_write_handler().

◆ write_rt

ssize_t(* rtdm_fd_ops::write_rt) (struct rtdm_fd *fd, const void __user *buf, size_t size)