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