Merge branch 'devel'

[palacios.git] / kitten / include / arch-x86_64 / apic.h

diff --git a/kitten/include/arch-x86_64/apic.h b/kitten/include/arch-x86_64/apic.h
new file mode 100644 (file)
index 0000000..4839a16
--- /dev/null
+++ b/kitten/include/arch-x86_64/apic.h
@@ -0,0 +1,114 @@
+#ifndef __ASM_APIC_H
+#define __ASM_APIC_H
+
+#include <lwk/init.h>
+#include <arch/fixmap.h>
+#include <arch/apicdef.h>
+#include <arch/system.h>
+
+/*
+ * 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 unsigned long lapic_phys_addr;
+
+/*
+ * 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, uint32_t val)
+{
+       *((volatile uint32_t *)(APIC_BASE+reg)) = val;
+}
+
+static __inline uint32_t apic_read(unsigned long reg)
+{
+       return *((volatile uint32_t *)(APIC_BASE+reg));
+}
+
+static inline void lapic_ack_interrupt(void)
+{
+       /*
+        * This gets compiled to a single instruction:
+        *      movl   $0x0,0xffffffffffdfe0b0
+        *
+        * Docs say use 0 for future compatibility.
+        */
+       apic_write(APIC_EOI, 0);
+}
+
+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 (struct pt_regs * regs);
+extern void setup_boot_APIC_clock (void);
+extern void setup_secondary_APIC_clock (void);
+extern void setup_apic_nmi_watchdog (void);
+extern int reserve_lapic_nmi(void);
+extern void release_lapic_nmi(void);
+extern void disable_timer_nmi_watchdog(void);
+extern void enable_timer_nmi_watchdog(void);
+extern void nmi_watchdog_tick (struct pt_regs * regs, unsigned reason);
+extern int APIC_init_uniprocessor (void);
+extern void disable_APIC_timer(void);
+extern void enable_APIC_timer(void);
+extern void clustered_apic_check(void);
+
+extern void nmi_watchdog_default(void);
+extern int setup_nmi_watchdog(char *);
+
+extern unsigned int nmi_watchdog;
+#define NMI_DEFAULT    -1
+#define NMI_NONE       0
+#define NMI_IO_APIC    1
+#define NMI_LOCAL_APIC 2
+#define NMI_INVALID    3
+
+extern int disable_timer_pin_1;
+
+extern void setup_threshold_lvt(unsigned long lvt_off);
+
+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 void __init lapic_map(void);
+extern void __init lapic_init(void);
+extern void lapic_set_timer(uint32_t count);
+extern unsigned int lapic_calibrate_timer(void);
+extern void lapic_dump(void);
+extern void lapic_send_init_ipi(unsigned int cpu);
+extern void lapic_send_startup_ipi(unsigned int cpu, unsigned long start_rip);
+extern void lapic_send_ipi(unsigned int cpu, unsigned int vector);
+
+#endif /* __ASM_APIC_H */