20 #ifndef _RTIPC_INTERNAL_H
21 #define _RTIPC_INTERNAL_H
23 #include <cobalt/kernel/registry.h>
24 #include <cobalt/kernel/clock.h>
25 #include <cobalt/kernel/select.h>
26 #include <rtdm/rtdm.h>
27 #include <rtdm/compat.h>
30 #define RTIPC_IOV_MAX 64
32 struct rtipc_protocol;
34 struct rtipc_private {
35 struct rtipc_protocol *proto;
36 DECLARE_XNSELECT(send_block);
37 DECLARE_XNSELECT(recv_block);
41 struct rtipc_protocol {
42 const char *proto_name;
44 int (*proto_init)(void);
45 void (*proto_exit)(void);
47 int (*socket)(
struct rtdm_fd *fd);
48 void (*close)(
struct rtdm_fd *fd);
49 ssize_t (*recvmsg)(
struct rtdm_fd *fd,
50 struct msghdr *msg,
int flags);
51 ssize_t (*sendmsg)(
struct rtdm_fd *fd,
52 const struct msghdr *msg,
int flags);
53 ssize_t (*read)(
struct rtdm_fd *fd,
54 void *buf,
size_t len);
55 ssize_t (*write)(
struct rtdm_fd *fd,
56 const void *buf,
size_t len);
57 int (*ioctl)(
struct rtdm_fd *fd,
58 unsigned int request,
void *arg);
59 unsigned int (*pollstate)(
struct rtdm_fd *fd);
63 static inline void *rtipc_fd_to_state(
struct rtdm_fd *fd)
69 static inline nanosecs_rel_t rtipc_timeval_to_ns(
const struct timeval *tv)
79 static inline void rtipc_ns_to_timeval(
struct timeval *tv,
nanosecs_rel_t ns)
83 tv->tv_sec = xnclock_divrem_billion(ns, &nsecs);
84 tv->tv_usec = nsecs / 1000;
87 int rtipc_get_iovec(
struct rtdm_fd *fd,
struct iovec *iov,
88 const struct msghdr *msg);
90 int rtipc_put_iovec(
struct rtdm_fd *fd,
const struct iovec *iov,
91 const struct msghdr *msg);
93 int rtipc_get_sockaddr(
struct rtdm_fd *fd,
97 int rtipc_put_sockaddr(
struct rtdm_fd *fd,
void *arg,
100 int rtipc_get_sockoptout(
struct rtdm_fd *fd,
101 struct _rtdm_getsockopt_args *sopt,
104 int rtipc_put_sockoptout(
struct rtdm_fd *fd,
void *arg,
105 const struct _rtdm_getsockopt_args *sopt);
107 int rtipc_get_sockoptin(
struct rtdm_fd *fd,
108 struct _rtdm_setsockopt_args *sopt,
111 int rtipc_get_timeval(
struct rtdm_fd *fd,
struct timeval *tv,
112 const void *arg,
size_t arglen);
114 int rtipc_put_timeval(
struct rtdm_fd *fd,
void *arg,
115 const struct timeval *tv,
size_t arglen);
117 int rtipc_get_length(
struct rtdm_fd *fd,
size_t *lenp,
118 const void *arg,
size_t arglen);
120 int rtipc_get_arg(
struct rtdm_fd *fd,
void *dst,
const void *src,
123 int rtipc_put_arg(
struct rtdm_fd *fd,
void *dst,
const void *src,
126 ssize_t rtipc_get_iov_flatlen(
struct iovec *iov,
int iovlen);
128 extern struct rtipc_protocol xddp_proto_driver;
130 extern struct rtipc_protocol iddp_proto_driver;
132 extern struct rtipc_protocol bufp_proto_driver;
134 extern struct xnptree rtipc_ptree;
136 #define rtipc_wait_context xnthread_wait_context
137 #define rtipc_prepare_wait xnthread_prepare_wait
138 #define rtipc_get_wait_context xnthread_get_wait_context
139 #define rtipc_peek_wait_head(obj) xnsynch_peek_pendq(&(obj)->synch_base)
141 #define COMPAT_CASE(__op) case __op __COMPAT_CASE(__op ## _COMPAT)
Socket address structure for the RTIPC address family.
Definition: ipc.h:479
static void * rtdm_fd_to_private(struct rtdm_fd *fd)
Locate the driver private area associated to a device context structure.
Definition: driver.h:158
int64_t nanosecs_rel_t
RTDM type for representing relative intervals.
Definition: rtdm.h:49
Real-Time Driver Model for Xenomai, driver API header.