20 #ifndef _RTIPC_INTERNAL_H 21 #define _RTIPC_INTERNAL_H 23 #include <linux/uio.h> 24 #include <cobalt/kernel/registry.h> 25 #include <cobalt/kernel/clock.h> 26 #include <cobalt/kernel/select.h> 27 #include <rtdm/rtdm.h> 28 #include <rtdm/compat.h> 31 #define RTIPC_IOV_FASTMAX 16 33 struct rtipc_protocol;
35 struct rtipc_private {
36 struct rtipc_protocol *proto;
37 DECLARE_XNSELECT(send_block);
38 DECLARE_XNSELECT(recv_block);
42 struct rtipc_protocol {
43 const char *proto_name;
45 int (*proto_init)(void);
46 void (*proto_exit)(void);
48 int (*socket)(
struct rtdm_fd *fd);
49 void (*close)(
struct rtdm_fd *fd);
50 ssize_t (*recvmsg)(
struct rtdm_fd *fd,
51 struct user_msghdr *msg,
int flags);
52 ssize_t (*sendmsg)(
struct rtdm_fd *fd,
53 const struct user_msghdr *msg,
int flags);
54 ssize_t (*read)(
struct rtdm_fd *fd,
55 void *buf,
size_t len);
56 ssize_t (*write)(
struct rtdm_fd *fd,
57 const void *buf,
size_t len);
58 int (*ioctl)(
struct rtdm_fd *fd,
59 unsigned int request,
void *arg);
60 unsigned int (*pollstate)(
struct rtdm_fd *fd);
64 static inline void *rtipc_fd_to_state(
struct rtdm_fd *fd)
70 static inline nanosecs_rel_t rtipc_timeval_to_ns(
const struct timeval *tv)
80 static inline void rtipc_ns_to_timeval(
struct timeval *tv,
nanosecs_rel_t ns)
84 tv->tv_sec = xnclock_divrem_billion(ns, &nsecs);
85 tv->tv_usec = nsecs / 1000;
88 int rtipc_get_iovec(
struct rtdm_fd *fd,
struct iovec **iov,
89 const struct user_msghdr *msg,
90 struct iovec *iov_fast);
92 int rtipc_put_iovec(
struct rtdm_fd *fd,
struct iovec *iov,
93 const struct user_msghdr *msg,
94 struct iovec *iov_fast);
97 void rtipc_drop_iovec(
struct iovec *iov,
struct iovec *iov_fast)
103 int rtipc_get_sockaddr(
struct rtdm_fd *fd,
107 int rtipc_put_sockaddr(
struct rtdm_fd *fd,
void *arg,
110 int rtipc_get_sockoptout(
struct rtdm_fd *fd,
111 struct _rtdm_getsockopt_args *sopt,
114 int rtipc_put_sockoptout(
struct rtdm_fd *fd,
void *arg,
115 const struct _rtdm_getsockopt_args *sopt);
117 int rtipc_get_sockoptin(
struct rtdm_fd *fd,
118 struct _rtdm_setsockopt_args *sopt,
121 int rtipc_get_timeval(
struct rtdm_fd *fd,
struct timeval *tv,
122 const void *arg,
size_t arglen);
124 int rtipc_put_timeval(
struct rtdm_fd *fd,
void *arg,
125 const struct timeval *tv,
size_t arglen);
127 int rtipc_get_length(
struct rtdm_fd *fd,
size_t *lenp,
128 const void *arg,
size_t arglen);
130 int rtipc_get_arg(
struct rtdm_fd *fd,
void *dst,
const void *src,
133 int rtipc_put_arg(
struct rtdm_fd *fd,
void *dst,
const void *src,
136 ssize_t rtipc_get_iov_flatlen(
struct iovec *iov,
int iovlen);
138 extern struct rtipc_protocol xddp_proto_driver;
140 extern struct rtipc_protocol iddp_proto_driver;
142 extern struct rtipc_protocol bufp_proto_driver;
144 extern struct xnptree rtipc_ptree;
146 #define rtipc_wait_context xnthread_wait_context 147 #define rtipc_prepare_wait xnthread_prepare_wait 148 #define rtipc_get_wait_context xnthread_get_wait_context 149 #define rtipc_peek_wait_head(obj) xnsynch_peek_pendq(&(obj)->synch_base) 151 #define COMPAT_CASE(__op) case __op __COMPAT_CASE(__op ## _COMPAT) Socket address structure for the RTIPC address family.
Definition: ipc.h:480
static void * rtdm_fd_to_private(struct rtdm_fd *fd)
Locate the driver private area associated to a device context structure.
Definition: driver.h:161
int64_t nanosecs_rel_t
RTDM type for representing relative intervals.
Definition: rtdm.h:49
Real-Time Driver Model for Xenomai, driver API header.