x86: uv cleanup

[cascardo/linux.git] / arch / x86 / include / asm / uv / uv.h

diff --git a/arch/x86/include/asm/uv/uv.h b/arch/x86/include/asm/uv/uv.h
new file mode 100644 (file)
index 0000000..dce5fe3
--- /dev/null
+++ b/arch/x86/include/asm/uv/uv.h
@@ -0,0 +1,33 @@
+#ifndef _ASM_X86_UV_UV_H
+#define _ASM_X86_UV_UV_H
+
+enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC};
+
+#ifdef CONFIG_X86_64
+
+extern enum uv_system_type get_uv_system_type(void);
+extern int is_uv_system(void);
+extern void uv_cpu_init(void);
+extern void uv_system_init(void);
+extern int uv_wakeup_secondary(int phys_apicid, unsigned int start_rip);
+extern const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask,
+                                                struct mm_struct *mm,
+                                                unsigned long va,
+                                                unsigned int cpu);
+
+#else  /* X86_64 */
+
+static inline enum uv_system_type get_uv_system_type(void) { return UV_NONE; }
+static inline int is_uv_system(void)   { return 0; }
+static inline void uv_cpu_init(void)   { }
+static inline void uv_system_init(void)        { }
+static inline int uv_wakeup_secondary(int phys_apicid, unsigned int start_rip)
+{ return 1; }
+static inline const struct cpumask *
+uv_flush_tlb_others(const struct cpumask *cpumask, struct mm_struct *mm,
+                   unsigned long va, unsigned int cpu)
+{ return cpumask; }
+
+#endif /* X86_64 */
+
+#endif /* _ASM_X86_UV_UV_H */