1 files changed, 115 insertions, 0 deletions
diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h
new file mode 100644
index 0000000000..f46df8349e
--- /dev/null
+++ b/arch/x86/include/asm/mpspec.h
@@ -0,0 +1,115 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_X86_MPSPEC_H
+#define _ASM_X86_MPSPEC_H
+
+
+#include <asm/mpspec_def.h>
+#include <asm/x86_init.h>
+#include <asm/apicdef.h>
+
+extern int pic_mode;
+
+#ifdef CONFIG_X86_32
+
+/*
+ * Summit or generic (i.e. installer) kernels need lots of bus entries.
+ * Maximum 256 PCI busses, plus 1 ISA bus in each of 4 cabinets.
+ */
+#if CONFIG_BASE_SMALL == 0
+# define MAX_MP_BUSSES		260
+#else
+# define MAX_MP_BUSSES		32
+#endif
+
+#define MAX_IRQ_SOURCES		256
+
+#else /* CONFIG_X86_64: */
+
+#define MAX_MP_BUSSES		256
+/* Each PCI slot may be a combo card with its own bus.  4 IRQ pins per slot. */
+#define MAX_IRQ_SOURCES		(MAX_MP_BUSSES * 4)
+
+#endif /* CONFIG_X86_64 */
+
+#ifdef CONFIG_EISA
+extern int mp_bus_id_to_type[MAX_MP_BUSSES];
+#endif
+
+extern DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
+
+extern unsigned int boot_cpu_physical_apicid;
+extern u8 boot_cpu_apic_version;
+
+#ifdef CONFIG_X86_LOCAL_APIC
+extern int smp_found_config;
+#else
+# define smp_found_config 0
+#endif
+
+static inline void get_smp_config(void)
+{
+	x86_init.mpparse.get_smp_config(0);
+}
+
+static inline void early_get_smp_config(void)
+{
+	x86_init.mpparse.get_smp_config(1);
+}
+
+static inline void find_smp_config(void)
+{
+	x86_init.mpparse.find_smp_config();
+}
+
+#ifdef CONFIG_X86_MPPARSE
+extern void e820__memblock_alloc_reserved_mpc_new(void);
+extern int enable_update_mptable;
+extern void default_find_smp_config(void);
+extern void default_get_smp_config(unsigned int early);
+#else
+static inline void e820__memblock_alloc_reserved_mpc_new(void) { }
+#define enable_update_mptable 0
+#define default_find_smp_config x86_init_noop
+#define default_get_smp_config x86_init_uint_noop
+#endif
+
+int generic_processor_info(int apicid);
+
+#define PHYSID_ARRAY_SIZE	BITS_TO_LONGS(MAX_LOCAL_APIC)
+
+struct physid_mask {
+	unsigned long mask[PHYSID_ARRAY_SIZE];
+};
+
+typedef struct physid_mask physid_mask_t;
+
+#define physid_set(physid, map)			set_bit(physid, (map).mask)
+#define physid_isset(physid, map)		test_bit(physid, (map).mask)
+
+#define physids_or(dst, src1, src2)					\
+	bitmap_or((dst).mask, (src1).mask, (src2).mask, MAX_LOCAL_APIC)
+
+#define physids_clear(map)					\
+	bitmap_zero((map).mask, MAX_LOCAL_APIC)
+
+#define physids_empty(map)					\
+	bitmap_empty((map).mask, MAX_LOCAL_APIC)
+
+static inline void physids_promote(unsigned long physids, physid_mask_t *map)
+{
+	physids_clear(*map);
+	map->mask[0] = physids;
+}
+
+static inline void physid_set_mask_of_physid(int physid, physid_mask_t *map)
+{
+	physids_clear(*map);
+	physid_set(physid, *map);
+}
+
+#define PHYSID_MASK_ALL		{ {[0 ... PHYSID_ARRAY_SIZE-1] = ~0UL} }
+#define PHYSID_MASK_NONE	{ {[0 ... PHYSID_ARRAY_SIZE-1] = 0UL} }
+
+extern physid_mask_t phys_cpu_present_map;
+
+#endif /* _ASM_X86_MPSPEC_H */