aboutsummaryrefslogtreecommitdiff
path: root/include/hw/ptimer.h
diff options
context:
space:
mode:
authorPaolo Bonzini <pbonzini@redhat.com>2013-02-05 17:06:20 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2013-04-08 18:13:10 +0200
commit0d09e41a51aa0752b1ce525ce084f7cd210e461b (patch)
treedc92b5b32c1e3182afa9bfd16a46a0a089320102 /include/hw/ptimer.h
parentbb585a784e9ad69207315d694e7dad2c422f6baa (diff)
hw: move headers to include/
Many of these should be cleaned up with proper qdev-/QOM-ification. Right now there are many catch-all headers in include/hw/ARCH depending on cpu.h, and this makes it necessary to compile these files per-target. However, fixing this does not belong in these patches. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include/hw/ptimer.h')
-rw-r--r--include/hw/ptimer.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/include/hw/ptimer.h b/include/hw/ptimer.h
new file mode 100644
index 0000000000..28fcaf17f8
--- /dev/null
+++ b/include/hw/ptimer.h
@@ -0,0 +1,39 @@
+/*
+ * General purpose implementation of a simple periodic countdown timer.
+ *
+ * Copyright (c) 2007 CodeSourcery.
+ *
+ * This code is licensed under the GNU LGPL.
+ */
+#ifndef PTIMER_H
+#define PTIMER_H
+
+#include "qemu-common.h"
+#include "qemu/timer.h"
+#include "migration/vmstate.h"
+
+/* ptimer.c */
+typedef struct ptimer_state ptimer_state;
+typedef void (*ptimer_cb)(void *opaque);
+
+ptimer_state *ptimer_init(QEMUBH *bh);
+void ptimer_set_period(ptimer_state *s, int64_t period);
+void ptimer_set_freq(ptimer_state *s, uint32_t freq);
+void ptimer_set_limit(ptimer_state *s, uint64_t limit, int reload);
+uint64_t ptimer_get_count(ptimer_state *s);
+void ptimer_set_count(ptimer_state *s, uint64_t count);
+void ptimer_run(ptimer_state *s, int oneshot);
+void ptimer_stop(ptimer_state *s);
+
+extern const VMStateDescription vmstate_ptimer;
+
+#define VMSTATE_PTIMER(_field, _state) { \
+ .name = (stringify(_field)), \
+ .version_id = (1), \
+ .vmsd = &vmstate_ptimer, \
+ .size = sizeof(ptimer_state *), \
+ .flags = VMS_STRUCT|VMS_POINTER, \
+ .offset = vmstate_offset_pointer(_state, _field, ptimer_state), \
+}
+
+#endif