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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/include/hw/ptimer.h
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/include/hw/ptimer.h')
-rw-r--r--qemu/include/hw/ptimer.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/qemu/include/hw/ptimer.h b/qemu/include/hw/ptimer.h
new file mode 100644
index 000000000..8ebacbbda
--- /dev/null
+++ b/qemu/include/hw/ptimer.h
@@ -0,0 +1,37 @@
+/*
+ * 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) \
+ VMSTATE_STRUCT_POINTER_V(_field, _state, 1, vmstate_ptimer, ptimer_state)
+
+#define VMSTATE_PTIMER_ARRAY(_f, _s, _n) \
+ VMSTATE_ARRAY_OF_POINTER_TO_STRUCT(_f, _s, _n, 0, \
+ vmstate_ptimer, ptimer_state)
+
+#endif