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-rw-r--r--include/asm-x86/apic_64.h107
1 files changed, 107 insertions, 0 deletions
diff --git a/include/asm-x86/apic_64.h b/include/asm-x86/apic_64.h
new file mode 100644
index 00000000000..85125ef3c41
--- /dev/null
+++ b/include/asm-x86/apic_64.h
@@ -0,0 +1,107 @@
+#ifndef __ASM_APIC_H
+#define __ASM_APIC_H
+
+#include <linux/pm.h>
+#include <linux/delay.h>
+#include <asm/fixmap.h>
+#include <asm/apicdef.h>
+#include <asm/system.h>
+
+#define Dprintk(x...)
+
+/*
+ * Debugging macros
+ */
+#define APIC_QUIET 0
+#define APIC_VERBOSE 1
+#define APIC_DEBUG 2
+
+extern int apic_verbosity;
+extern int apic_runs_main_timer;
+extern int ioapic_force;
+extern int apic_mapped;
+
+/*
+ * Define the default level of output to be very little
+ * This can be turned up by using apic=verbose for more
+ * information and apic=debug for _lots_ of information.
+ * apic_verbosity is defined in apic.c
+ */
+#define apic_printk(v, s, a...) do { \
+ if ((v) <= apic_verbosity) \
+ printk(s, ##a); \
+ } while (0)
+
+struct pt_regs;
+
+/*
+ * Basic functions accessing APICs.
+ */
+
+static __inline void apic_write(unsigned long reg, unsigned int v)
+{
+ *((volatile unsigned int *)(APIC_BASE+reg)) = v;
+}
+
+static __inline unsigned int apic_read(unsigned long reg)
+{
+ return *((volatile unsigned int *)(APIC_BASE+reg));
+}
+
+extern void apic_wait_icr_idle(void);
+extern unsigned int safe_apic_wait_icr_idle(void);
+
+static inline void ack_APIC_irq(void)
+{
+ /*
+ * ack_APIC_irq() actually gets compiled as a single instruction:
+ * - a single rmw on Pentium/82489DX
+ * - a single write on P6+ cores (CONFIG_X86_GOOD_APIC)
+ * ... yummie.
+ */
+
+ /* Docs say use 0 for future compatibility */
+ apic_write(APIC_EOI, 0);
+}
+
+extern int get_maxlvt (void);
+extern void clear_local_APIC (void);
+extern void connect_bsp_APIC (void);
+extern void disconnect_bsp_APIC (int virt_wire_setup);
+extern void disable_local_APIC (void);
+extern int verify_local_APIC (void);
+extern void cache_APIC_registers (void);
+extern void sync_Arb_IDs (void);
+extern void init_bsp_APIC (void);
+extern void setup_local_APIC (void);
+extern void init_apic_mappings (void);
+extern void smp_local_timer_interrupt (void);
+extern void setup_boot_APIC_clock (void);
+extern void setup_secondary_APIC_clock (void);
+extern int APIC_init_uniprocessor (void);
+extern void disable_APIC_timer(void);
+extern void enable_APIC_timer(void);
+extern void setup_apic_routing(void);
+
+extern void setup_APIC_extended_lvt(unsigned char lvt_off, unsigned char vector,
+ unsigned char msg_type, unsigned char mask);
+
+extern int apic_is_clustered_box(void);
+
+#define K8_APIC_EXT_LVT_BASE 0x500
+#define K8_APIC_EXT_INT_MSG_FIX 0x0
+#define K8_APIC_EXT_INT_MSG_SMI 0x2
+#define K8_APIC_EXT_INT_MSG_NMI 0x4
+#define K8_APIC_EXT_INT_MSG_EXT 0x7
+#define K8_APIC_EXT_LVT_ENTRY_THRESHOLD 0
+
+void smp_send_timer_broadcast_ipi(void);
+void switch_APIC_timer_to_ipi(void *cpumask);
+void switch_ipi_to_APIC_timer(void *cpumask);
+
+#define ARCH_APICTIMER_STOPS_ON_C3 1
+
+extern unsigned boot_cpu_id;
+extern int local_apic_timer_c2_ok;
+
+#endif /* __ASM_APIC_H */