X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-x86_64%2Fmach-xen%2Fasm%2Ftimer.h;fp=include%2Fasm-x86_64%2Fmach-xen%2Fasm%2Ftimer.h;h=58140c3b83851be198d7019bbdb2342d9b41d739;hb=1db395853d4f30d6120458bd279ede1f882a8525;hp=0000000000000000000000000000000000000000;hpb=34a75f0025b9cf803b6a88db032e6ad6950c9313;p=linux-2.6.git

diff --git a/include/asm-x86_64/mach-xen/asm/timer.h b/include/asm-x86_64/mach-xen/asm/timer.h
new file mode 100644
index 000000000..58140c3b8
--- /dev/null
+++ b/include/asm-x86_64/mach-xen/asm/timer.h
@@ -0,0 +1,67 @@
+#ifndef _ASMi386_TIMER_H
+#define _ASMi386_TIMER_H
+#include <linux/init.h>
+
+/**
+ * struct timer_ops - used to define a timer source
+ *
+ * @name: name of the timer.
+ * @init: Probes and initializes the timer. Takes clock= override 
+ *        string as an argument. Returns 0 on success, anything else
+ *        on failure.
+ * @mark_offset: called by the timer interrupt.
+ * @get_offset:  called by gettimeofday(). Returns the number of microseconds
+ *               since the last timer interupt.
+ * @monotonic_clock: returns the number of nanoseconds since the init of the
+ *                   timer.
+ * @delay: delays this many clock cycles.
+ */
+struct timer_opts {
+	char* name;
+	void (*mark_offset)(void);
+	unsigned long (*get_offset)(void);
+	unsigned long long (*monotonic_clock)(void);
+	void (*delay)(unsigned long);
+	unsigned long (*read_timer)(void);
+	int (*suspend)(pm_message_t state);
+	int (*resume)(void);
+};
+
+struct init_timer_opts {
+	int (*init)(char *override);
+	struct timer_opts *opts;
+};
+
+#define TICK_SIZE (tick_nsec / 1000)
+
+extern struct timer_opts* __init select_timer(void);
+extern void clock_fallback(void);
+void setup_pit_timer(void);
+
+/* Modifiers for buggy PIT handling */
+
+extern int pit_latch_buggy;
+
+extern struct timer_opts *cur_timer;
+extern int timer_ack;
+
+/* list of externed timers */
+extern struct timer_opts timer_none;
+extern struct timer_opts timer_pit;
+extern struct init_timer_opts timer_pit_init;
+extern struct init_timer_opts timer_tsc_init;
+#ifdef CONFIG_X86_CYCLONE_TIMER
+extern struct init_timer_opts timer_cyclone_init;
+#endif
+
+extern unsigned long calibrate_tsc(void);
+extern void init_cpu_khz(void);
+#ifdef CONFIG_HPET_TIMER
+extern struct init_timer_opts timer_hpet_init;
+extern unsigned long calibrate_tsc_hpet(unsigned long *tsc_hpet_quotient_ptr);
+#endif
+
+#ifdef CONFIG_X86_PM_TIMER
+extern struct init_timer_opts timer_pmtmr_init;
+#endif
+#endif