x86: add early quirk support

Add early quirks support.

In preparation of enabling the generic architecture to boot on a VISWS.

This will allow us to remove the VISWS subarch and all its complications.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 17 insertions, 0 deletions

diff --git a/include/asm-x86/setup.h b/include/asm-x86/setup.h
index 1d121c632d9e..1ad7eae0d9be 100644
--- a/include/asm-x86/setup.h
+++ b/include/asm-x86/setup.h
@@ -8,6 +8,23 @@
 /* Interrupt control for vSMPowered x86_64 systems */
 void vsmp_init(void);
 
+#ifdef CONFIG_X86_VISWS
+extern void visws_early_detect(void);
+#else
+static inline void visws_early_detect(void) { }
+#endif
+
+/*
+ * Any setup quirks to be performed?
+ */
+extern int (*arch_time_init_quirk)(void);
+extern int (*arch_pre_intr_init_quirk)(void);
+extern int (*arch_intr_init_quirk)(void);
+extern int (*arch_trap_init_quirk)(void);
+extern char * (*arch_memory_setup_quirk)(void);
+extern int (*mach_get_smp_config_quirk)(unsigned int early);
+extern int (*mach_find_smp_config_quirk)(unsigned int reserve);
+
 #ifndef CONFIG_PARAVIRT
 #define paravirt_post_allocator_init()  do {} while (0)
 #endif