x86, um: ... and asm-x86 move

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 126 insertions, 0 deletions

diff --git a/arch/x86/include/asm/genapic_32.h b/arch/x86/include/asm/genapic_32.h
new file mode 100644
index 00000000000..6fe4f81bfcf
--- /dev/null
+++ b/arch/x86/include/asm/genapic_32.h
@@ -0,0 +1,126 @@
+#ifndef ASM_X86__GENAPIC_32_H
+#define ASM_X86__GENAPIC_32_H
+
+#include <asm/mpspec.h>
+
+/*
+ * Generic APIC driver interface.
+ *
+ * An straight forward mapping of the APIC related parts of the
+ * x86 subarchitecture interface to a dynamic object.
+ *
+ * This is used by the "generic" x86 subarchitecture.
+ *
+ * Copyright 2003 Andi Kleen, SuSE Labs.
+ */
+
+struct mpc_config_bus;
+struct mp_config_table;
+struct mpc_config_processor;
+
+struct genapic {
+	char *name;
+	int (*probe)(void);
+
+	int (*apic_id_registered)(void);
+	cpumask_t (*target_cpus)(void);
+	int int_delivery_mode;
+	int int_dest_mode;
+	int ESR_DISABLE;
+	int apic_destination_logical;
+	unsigned long (*check_apicid_used)(physid_mask_t bitmap, int apicid);
+	unsigned long (*check_apicid_present)(int apicid);
+	int no_balance_irq;
+	int no_ioapic_check;
+	void (*init_apic_ldr)(void);
+	physid_mask_t (*ioapic_phys_id_map)(physid_mask_t map);
+
+	void (*setup_apic_routing)(void);
+	int (*multi_timer_check)(int apic, int irq);
+	int (*apicid_to_node)(int logical_apicid);
+	int (*cpu_to_logical_apicid)(int cpu);
+	int (*cpu_present_to_apicid)(int mps_cpu);
+	physid_mask_t (*apicid_to_cpu_present)(int phys_apicid);
+	void (*setup_portio_remap)(void);
+	int (*check_phys_apicid_present)(int boot_cpu_physical_apicid);
+	void (*enable_apic_mode)(void);
+	u32 (*phys_pkg_id)(u32 cpuid_apic, int index_msb);
+
+	/* mpparse */
+	/* When one of the next two hooks returns 1 the genapic
+	   is switched to this. Essentially they are additional probe
+	   functions. */
+	int (*mps_oem_check)(struct mp_config_table *mpc, char *oem,
+			     char *productid);
+	int (*acpi_madt_oem_check)(char *oem_id, char *oem_table_id);
+
+	unsigned (*get_apic_id)(unsigned long x);
+	unsigned long apic_id_mask;
+	unsigned int (*cpu_mask_to_apicid)(cpumask_t cpumask);
+	cpumask_t (*vector_allocation_domain)(int cpu);
+
+#ifdef CONFIG_SMP
+	/* ipi */
+	void (*send_IPI_mask)(cpumask_t mask, int vector);
+	void (*send_IPI_allbutself)(int vector);
+	void (*send_IPI_all)(int vector);
+#endif
+};
+
+#define APICFUNC(x) .x = x,
+
+/* More functions could be probably marked IPIFUNC and save some space
+   in UP GENERICARCH kernels, but I don't have the nerve right now
+   to untangle this mess. -AK  */
+#ifdef CONFIG_SMP
+#define IPIFUNC(x) APICFUNC(x)
+#else
+#define IPIFUNC(x)
+#endif
+
+#define APIC_INIT(aname, aprobe)			\
+{							\
+	.name = aname,					\
+	.probe = aprobe,				\
+	.int_delivery_mode = INT_DELIVERY_MODE,		\
+	.int_dest_mode = INT_DEST_MODE,			\
+	.no_balance_irq = NO_BALANCE_IRQ,		\
+	.ESR_DISABLE = esr_disable,			\
+	.apic_destination_logical = APIC_DEST_LOGICAL,	\
+	APICFUNC(apic_id_registered)			\
+	APICFUNC(target_cpus)				\
+	APICFUNC(check_apicid_used)			\
+	APICFUNC(check_apicid_present)			\
+	APICFUNC(init_apic_ldr)				\
+	APICFUNC(ioapic_phys_id_map)			\
+	APICFUNC(setup_apic_routing)			\
+	APICFUNC(multi_timer_check)			\
+	APICFUNC(apicid_to_node)			\
+	APICFUNC(cpu_to_logical_apicid)			\
+	APICFUNC(cpu_present_to_apicid)			\
+	APICFUNC(apicid_to_cpu_present)			\
+	APICFUNC(setup_portio_remap)			\
+	APICFUNC(check_phys_apicid_present)		\
+	APICFUNC(mps_oem_check)				\
+	APICFUNC(get_apic_id)				\
+	.apic_id_mask = APIC_ID_MASK,			\
+	APICFUNC(cpu_mask_to_apicid)			\
+	APICFUNC(vector_allocation_domain)			\
+	APICFUNC(acpi_madt_oem_check)			\
+	IPIFUNC(send_IPI_mask)				\
+	IPIFUNC(send_IPI_allbutself)			\
+	IPIFUNC(send_IPI_all)				\
+	APICFUNC(enable_apic_mode)			\
+	APICFUNC(phys_pkg_id)				\
+}
+
+extern struct genapic *genapic;
+
+enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC};
+#define get_uv_system_type()		UV_NONE
+#define is_uv_system()			0
+#define uv_wakeup_secondary(a, b)	1
+#define uv_system_init()		do {} while (0)
+
+
+#endif /* ASM_X86__GENAPIC_32_H */