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-rw-r--r--sys/compat/linux/linux_timer.c182
-rw-r--r--sys/compat/linux/linux_timer.h97
2 files changed, 279 insertions, 0 deletions
diff --git a/sys/compat/linux/linux_timer.c b/sys/compat/linux/linux_timer.c
new file mode 100644
index 000000000000..92dae4c67280
--- /dev/null
+++ b/sys/compat/linux/linux_timer.c
@@ -0,0 +1,182 @@
+/*-
+ * Copyright (c) 2014 Bjoern A. Zeeb
+ * All rights reserved.
+ *
+ * This software was developed by SRI International and the University of
+ * Cambridge Computer Laboratory under DARPA/AFRL contract FA8750-11-C-0249
+ * ("MRC2"), as part of the DARPA MRC research programme.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include "opt_compat.h"
+
+#include <sys/param.h>
+#include <sys/errno.h>
+#include <sys/signal.h>
+#include <sys/syscallsubr.h>
+#include <sys/systm.h>
+#include <sys/time.h>
+#include <sys/types.h>
+
+#ifdef COMPAT_LINUX32
+#include <machine/../linux32/linux.h>
+#include <machine/../linux32/linux32_proto.h>
+#else
+#include <machine/../linux/linux.h>
+#include <machine/../linux/linux_proto.h>
+#endif
+#include <compat/linux/linux_timer.h>
+
+static int
+linux_convert_l_clockid(clockid_t *clock_id)
+{
+
+ switch (*clock_id) {
+ case LINUX_CLOCK_REALTIME:
+ *clock_id = CLOCK_REALTIME;
+ break;
+ case LINUX_CLOCK_MONOTONIC:
+ *clock_id = CLOCK_MONOTONIC;
+ break;
+ default:
+ return (EINVAL);
+ }
+
+ return (0);
+}
+
+static int
+linux_convert_l_sigevent(struct l_sigevent *l_sig, struct sigevent *sig)
+{
+
+ CP(*l_sig, *sig, sigev_notify);
+ switch (l_sig->sigev_notify) {
+ case L_SIGEV_SIGNAL:
+ sig->sigev_notify = SIGEV_SIGNAL;
+ CP(*l_sig, *sig, sigev_signo);
+ PTRIN_CP(*l_sig, *sig, sigev_value.sival_ptr);
+ break;
+ case L_SIGEV_NONE:
+ sig->sigev_notify = SIGEV_NONE;
+ break;
+ case L_SIGEV_THREAD:
+#if 0
+ /* Seems to not be used anywhere (anymore)? */
+ sig->sigev_notify = SIGEV_THREAD;
+ return (ENOSYS);
+#else
+ return (EINVAL);
+#endif
+ case L_SIGEV_THREAD_ID:
+ sig->sigev_notify = SIGEV_THREAD_ID;
+ CP2(*l_sig, *sig, _l_sigev_un._tid, sigev_notify_thread_id);
+ CP(*l_sig, *sig, sigev_signo);
+ PTRIN_CP(*l_sig, *sig, sigev_value.sival_ptr);
+ break;
+ default:
+ return (EINVAL);
+ }
+ return (0);
+}
+
+int
+linux_timer_create(struct thread *td, struct linux_timer_create_args *uap)
+{
+ struct l_sigevent l_ev;
+ struct sigevent ev, *evp;
+ int error, id;
+
+ if (uap->evp == NULL) {
+ evp = NULL;
+ } else {
+ error = copyin(uap->evp, &l_ev, sizeof(l_ev));
+ if (error != 0)
+ return (error);
+ error = linux_convert_l_sigevent(&l_ev, &ev);
+ if (error != 0)
+ return (error);
+ evp = &ev;
+ }
+ error = linux_convert_l_clockid(&uap->clock_id);
+ if (error != 0)
+ return (error);
+ error = kern_ktimer_create(td, uap->clock_id, evp, &id, -1);
+ if (error == 0) {
+ error = copyout(&id, uap->timerid, sizeof(int));
+ if (error != 0)
+ kern_ktimer_delete(td, id);
+ }
+ return (error);
+}
+
+int
+linux_timer_settime(struct thread *td, struct linux_timer_settime_args *uap)
+{
+ struct l_itimerspec l_val, l_oval;
+ struct itimerspec val, oval, *ovalp;
+ int error;
+
+ error = copyin(uap->new, &l_val, sizeof(l_val));
+ if (error != 0)
+ return (error);
+ ITS_CP(l_val, val);
+ ovalp = uap->old != NULL ? &oval : NULL;
+ error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp);
+ if (error == 0 && uap->old != NULL) {
+ ITS_CP(oval, l_oval);
+ error = copyout(&l_oval, uap->old, sizeof(l_oval));
+ }
+ return (error);
+}
+
+int
+linux_timer_gettime(struct thread *td, struct linux_timer_gettime_args *uap)
+{
+ struct l_itimerspec l_val;
+ struct itimerspec val;
+ int error;
+
+ error = kern_ktimer_gettime(td, uap->timerid, &val);
+ if (error == 0) {
+ ITS_CP(val, l_val);
+ error = copyout(&l_val, uap->setting, sizeof(l_val));
+ }
+ return (error);
+}
+
+int
+linux_timer_getoverrun(struct thread *td, struct linux_timer_getoverrun_args *uap)
+{
+
+ return (kern_ktimer_getoverrun(td, uap->timerid));
+}
+
+int
+linux_timer_delete(struct thread *td, struct linux_timer_delete_args *uap)
+{
+
+ return (kern_ktimer_delete(td, uap->timerid));
+}
+
diff --git a/sys/compat/linux/linux_timer.h b/sys/compat/linux/linux_timer.h
new file mode 100644
index 000000000000..4f64ee5fe9cb
--- /dev/null
+++ b/sys/compat/linux/linux_timer.h
@@ -0,0 +1,97 @@
+/*-
+ * Copyright (c) 2014 Bjoern A. Zeeb
+ * All rights reserved.
+ *
+ * This software was developed by SRI International and the University of
+ * Cambridge Computer Laboratory under DARPA/AFRL contract FA8750-11-C-0249
+ * ("MRC2"), as part of the DARPA MRC research programme.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _LINUX_TIMER_H
+#define _LINUX_TIMER_H
+
+#ifndef __LINUX_ARCH_SIGEV_PREAMBLE_SIZE
+#define __LINUX_ARCH_SIGEV_PREAMBLE_SIZE \
+ (sizeof(l_int) * 2 + sizeof(l_sigval_t))
+#endif
+
+#define LINUX_SIGEV_MAX_SIZE 64
+#define LINUX_SIGEV_PAD_SIZE \
+ ((LINUX_SIGEV_MAX_SIZE - __LINUX_ARCH_SIGEV_PREAMBLE_SIZE) / \
+ sizeof(l_int))
+
+#define LINUX_CLOCK_REALTIME 0
+#define LINUX_CLOCK_MONOTONIC 1
+#define LINUX_CLOCK_PROCESS_CPUTIME_ID 2
+#define LINUX_CLOCK_THREAD_CPUTIME_ID 3
+#define LINUX_CLOCK_MONOTONIC_RAW 4
+#define LINUX_CLOCK_REALTIME_COARSE 5
+#define LINUX_CLOCK_MONOTONIC_COARSE 6
+#define LINUX_CLOCK_BOOTTIME 7
+#define LINUX_CLOCK_REALTIME_ALARM 8
+#define LINUX_CLOCK_BOOTTIME_ALARM 9
+#define LINUX_CLOCK_SGI_CYCLE 10
+#define LINUX_CLOCK_TAI 11
+
+#define L_SIGEV_SIGNAL 0
+#define L_SIGEV_NONE 1
+#define L_SIGEV_THREAD 2
+#define L_SIGEV_THREAD_ID 4
+
+#define TS_CP(src,dst,fld) do { \
+ CP((src).fld,(dst).fld,tv_sec); \
+ CP((src).fld,(dst).fld,tv_nsec); \
+} while (0)
+
+#define ITS_CP(src, dst) do { \
+ TS_CP((src), (dst), it_interval); \
+ TS_CP((src), (dst), it_value); \
+} while (0)
+
+struct l_sigevent {
+ l_sigval_t sigev_value;
+ l_int sigev_signo;
+ l_int sigev_notify;
+ union {
+ l_int _pad[LINUX_SIGEV_PAD_SIZE];
+ l_int _tid;
+ struct {
+ l_uintptr_t _function;
+ l_uintptr_t _attribute;
+ } _l_sigev_thread;
+ } _l_sigev_un;
+}
+#if defined(__amd64__) && defined(COMPAT_LINUX32)
+__packed
+#endif
+;
+
+struct l_itimerspec {
+ struct l_timespec it_interval;
+ struct l_timespec it_value;
+};
+
+#endif /* _LINUX_TIMER_H */