1 files changed, 310 insertions, 4 deletions

diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index 4f56e053d347..c07f5fbf43c8 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -1,15 +1,18 @@
 #ifndef _ASM_X86_APIC_H
 #define _ASM_X86_APIC_H
 
-#include <linux/pm.h>
+#include <linux/cpumask.h>
 #include <linux/delay.h>
+#include <linux/pm.h>
 
 #include <asm/alternative.h>
-#include <asm/fixmap.h>
-#include <asm/apicdef.h>
+#include <asm/cpufeature.h>
 #include <asm/processor.h>
+#include <asm/apicdef.h>
+#include <asm/atomic.h>
+#include <asm/fixmap.h>
+#include <asm/mpspec.h>
 #include <asm/system.h>
-#include <asm/cpufeature.h>
 #include <asm/msr.h>
 
 #define ARCH_APICTIMER_STOPS_ON_C3      1
@@ -235,4 +238,307 @@ static inline void disable_local_APIC(void) { }
 
 #endif
 
+/*
+ * Copyright 2004 James Cleverdon, IBM.
+ * Subject to the GNU Public License, v.2
+ *
+ * Generic APIC sub-arch data struct.
+ *
+ * Hacked for x86-64 by James Cleverdon from i386 architecture code by
+ * Martin Bligh, Andi Kleen, James Bottomley, John Stultz, and
+ * James Cleverdon.
+ */
+struct genapic {
+        char *name;
+
+        int (*probe)(void);
+        int (*acpi_madt_oem_check)(char *oem_id, char *oem_table_id);
+        int (*apic_id_registered)(void);
+
+        u32 irq_delivery_mode;
+        u32 irq_dest_mode;
+
+        const struct cpumask *(*target_cpus)(void);
+
+        int disable_esr;
+
+        int dest_logical;
+        unsigned long (*check_apicid_used)(physid_mask_t bitmap, int apicid);
+        unsigned long (*check_apicid_present)(int apicid);
+
+        void (*vector_allocation_domain)(int cpu, struct cpumask *retmask);
+        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);
+        int (*phys_pkg_id)(int cpuid_apic, int index_msb);
+
+        /*
+         * 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 mpc_table *mpc, char *oem, char *productid);
+
+        unsigned int (*get_apic_id)(unsigned long x);
+        unsigned long (*set_apic_id)(unsigned int id);
+        unsigned long apic_id_mask;
+
+        unsigned int (*cpu_mask_to_apicid)(const struct cpumask *cpumask);
+        unsigned int (*cpu_mask_to_apicid_and)(const struct cpumask *cpumask,
+                                               const struct cpumask *andmask);
+
+        /* ipi */
+        void (*send_IPI_mask)(const struct cpumask *mask, int vector);
+        void (*send_IPI_mask_allbutself)(const struct cpumask *mask,
+                                         int vector);
+        void (*send_IPI_allbutself)(int vector);
+        void (*send_IPI_all)(int vector);
+        void (*send_IPI_self)(int vector);
+
+        /* wakeup_secondary_cpu */
+        int (*wakeup_cpu)(int apicid, unsigned long start_eip);
+
+        int trampoline_phys_low;
+        int trampoline_phys_high;
+
+        void (*wait_for_init_deassert)(atomic_t *deassert);
+        void (*smp_callin_clear_local_apic)(void);
+        void (*store_NMI_vector)(unsigned short *high, unsigned short *low);
+        void (*inquire_remote_apic)(int apicid);
+
+        /* apic ops */
+        u32 (*read)(u32 reg);
+        void (*write)(u32 reg, u32 v);
+        u64 (*icr_read)(void);
+        void (*icr_write)(u32 low, u32 high);
+        void (*wait_icr_idle)(void);
+        u32 (*safe_wait_icr_idle)(void);
+};
+
+extern struct genapic *apic;
+
+static inline u32 apic_read(u32 reg)
+{
+        return apic->read(reg);
+}
+
+static inline void apic_write(u32 reg, u32 val)
+{
+        apic->write(reg, val);
+}
+
+static inline u64 apic_icr_read(void)
+{
+        return apic->icr_read();
+}
+
+static inline void apic_icr_write(u32 low, u32 high)
+{
+        apic->icr_write(low, high);
+}
+
+static inline void apic_wait_icr_idle(void)
+{
+        apic->wait_icr_idle();
+}
+
+static inline u32 safe_apic_wait_icr_idle(void)
+{
+        return apic->safe_wait_icr_idle();
+}
+
+
+static inline void ack_APIC_irq(void)
+{
+        /*
+         * ack_APIC_irq() actually gets compiled as a single instruction
+         * ... yummie.
+         */
+
+        /* Docs say use 0 for future compatibility */
+        apic_write(APIC_EOI, 0);
+}
+
+static inline unsigned default_get_apic_id(unsigned long x)
+{
+        unsigned int ver = GET_APIC_VERSION(apic_read(APIC_LVR));
+
+        if (APIC_XAPIC(ver))
+                return (x >> 24) & 0xFF;
+        else
+                return (x >> 24) & 0x0F;
+}
+
+/*
+ * Warm reset vector default position:
+ */
+#define DEFAULT_TRAMPOLINE_PHYS_LOW             0x467
+#define DEFAULT_TRAMPOLINE_PHYS_HIGH            0x469
+
+#ifdef CONFIG_X86_32
+extern void es7000_update_genapic_to_cluster(void);
+#else
+extern struct genapic apic_flat;
+extern struct genapic apic_physflat;
+extern struct genapic apic_x2apic_cluster;
+extern struct genapic apic_x2apic_phys;
+extern int default_acpi_madt_oem_check(char *, char *);
+
+extern void apic_send_IPI_self(int vector);
+
+extern struct genapic apic_x2apic_uv_x;
+DECLARE_PER_CPU(int, x2apic_extra_bits);
+
+extern int default_cpu_present_to_apicid(int mps_cpu);
+extern int default_check_phys_apicid_present(int boot_cpu_physical_apicid);
+#endif
+
+static inline void default_wait_for_init_deassert(atomic_t *deassert)
+{
+        while (!atomic_read(deassert))
+                cpu_relax();
+        return;
+}
+
+extern void generic_bigsmp_probe(void);
+
+
+#ifdef CONFIG_X86_LOCAL_APIC
+
+#include <asm/smp.h>
+
+#define APIC_DFR_VALUE  (APIC_DFR_FLAT)
+
+static inline const struct cpumask *default_target_cpus(void)
+{
+#ifdef CONFIG_SMP
+        return cpu_online_mask;
+#else
+        return cpumask_of(0);
+#endif
+}
+
+DECLARE_EARLY_PER_CPU(u16, x86_bios_cpu_apicid);
+
+
+static inline unsigned int read_apic_id(void)
+{
+        unsigned int reg;
+
+        reg = apic_read(APIC_ID);
+
+        return apic->get_apic_id(reg);
+}
+
+extern void default_setup_apic_routing(void);
+
+#ifdef CONFIG_X86_32
+/*
+ * Set up the logical destination ID.
+ *
+ * Intel recommends to set DFR, LDR and TPR before enabling
+ * an APIC.  See e.g. "AP-388 82489DX User's Manual" (Intel
+ * document number 292116).  So here it goes...
+ */
+extern void default_init_apic_ldr(void);
+
+static inline int default_apic_id_registered(void)
+{
+        return physid_isset(read_apic_id(), phys_cpu_present_map);
+}
+
+static inline unsigned int
+default_cpu_mask_to_apicid(const struct cpumask *cpumask)
+{
+        return cpumask_bits(cpumask)[0];
+}
+
+static inline unsigned int
+default_cpu_mask_to_apicid_and(const struct cpumask *cpumask,
+                               const struct cpumask *andmask)
+{
+        unsigned long mask1 = cpumask_bits(cpumask)[0];
+        unsigned long mask2 = cpumask_bits(andmask)[0];
+        unsigned long mask3 = cpumask_bits(cpu_online_mask)[0];
+
+        return (unsigned int)(mask1 & mask2 & mask3);
+}
+
+static inline int default_phys_pkg_id(int cpuid_apic, int index_msb)
+{
+        return cpuid_apic >> index_msb;
+}
+
+extern int default_apicid_to_node(int logical_apicid);
+
+#endif
+
+static inline unsigned long default_check_apicid_used(physid_mask_t bitmap, int apicid)
+{
+        return physid_isset(apicid, bitmap);
+}
+
+static inline unsigned long default_check_apicid_present(int bit)
+{
+        return physid_isset(bit, phys_cpu_present_map);
+}
+
+static inline physid_mask_t default_ioapic_phys_id_map(physid_mask_t phys_map)
+{
+        return phys_map;
+}
+
+/* Mapping from cpu number to logical apicid */
+static inline int default_cpu_to_logical_apicid(int cpu)
+{
+        return 1 << cpu;
+}
+
+static inline int __default_cpu_present_to_apicid(int mps_cpu)
+{
+        if (mps_cpu < nr_cpu_ids && cpu_present(mps_cpu))
+                return (int)per_cpu(x86_bios_cpu_apicid, mps_cpu);
+        else
+                return BAD_APICID;
+}
+
+static inline int
+__default_check_phys_apicid_present(int boot_cpu_physical_apicid)
+{
+        return physid_isset(boot_cpu_physical_apicid, phys_cpu_present_map);
+}
+
+#ifdef CONFIG_X86_32
+static inline int default_cpu_present_to_apicid(int mps_cpu)
+{
+        return __default_cpu_present_to_apicid(mps_cpu);
+}
+
+static inline int
+default_check_phys_apicid_present(int boot_cpu_physical_apicid)
+{
+        return __default_check_phys_apicid_present(boot_cpu_physical_apicid);
+}
+#else
+extern int default_cpu_present_to_apicid(int mps_cpu);
+extern int default_check_phys_apicid_present(int boot_cpu_physical_apicid);
+#endif
+
+static inline physid_mask_t default_apicid_to_cpu_present(int phys_apicid)
+{
+        return physid_mask_of_physid(phys_apicid);
+}
+
+#endif /* CONFIG_X86_LOCAL_APIC */
+
 #endif /* _ASM_X86_APIC_H */