2 * Default generic APIC driver. This handles up to 8 CPUs.
4 #define APIC_DEFINITION 1
5 #include <linux/threads.h>
6 #include <linux/cpumask.h>
7 #include <asm/mpspec.h>
8 #include <asm/mach-default/mach_apicdef.h>
9 #include <asm/genapic.h>
10 #include <asm/fixmap.h>
11 #include <asm/apicdef.h>
12 #include <linux/kernel.h>
13 #include <linux/string.h>
14 #include <linux/smp.h>
15 #include <linux/init.h>
16 #include <asm/mach-default/mach_apic.h>
17 #include <asm/mach-default/mach_ipi.h>
18 #include <asm/mach-default/mach_mpparse.h>
19 #include <asm/mach-default/mach_wakecpu.h>
21 static void default_vector_allocation_domain(int cpu
, struct cpumask
*retmask
)
24 * Careful. Some cpus do not strictly honor the set of cpus
25 * specified in the interrupt destination when using lowest
26 * priority interrupt delivery mode.
28 * In particular there was a hyperthreading cpu observed to
29 * deliver interrupts to the wrong hyperthread when only one
30 * hyperthread was specified in the interrupt desitination.
32 *retmask
= (cpumask_t
) { { [0] = APIC_ALL_CPUS
} };
35 /* should be called last. */
36 static int probe_default(void)
41 struct genapic apic_default
= {
44 .probe
= probe_default
,
45 .acpi_madt_oem_check
= NULL
,
46 .apic_id_registered
= default_apic_id_registered
,
48 .irq_delivery_mode
= dest_LowestPrio
,
49 /* logical delivery broadcast to all CPUs: */
52 .target_cpus
= default_target_cpus
,
54 .dest_logical
= APIC_DEST_LOGICAL
,
55 .check_apicid_used
= default_check_apicid_used
,
56 .check_apicid_present
= default_check_apicid_present
,
58 .vector_allocation_domain
= default_vector_allocation_domain
,
59 .init_apic_ldr
= default_init_apic_ldr
,
61 .ioapic_phys_id_map
= default_ioapic_phys_id_map
,
62 .setup_apic_routing
= default_setup_apic_routing
,
63 .multi_timer_check
= NULL
,
64 .apicid_to_node
= default_apicid_to_node
,
65 .cpu_to_logical_apicid
= default_cpu_to_logical_apicid
,
66 .cpu_present_to_apicid
= default_cpu_present_to_apicid
,
67 .apicid_to_cpu_present
= default_apicid_to_cpu_present
,
68 .setup_portio_remap
= NULL
,
69 .check_phys_apicid_present
= default_check_phys_apicid_present
,
70 .enable_apic_mode
= NULL
,
71 .phys_pkg_id
= default_phys_pkg_id
,
72 .mps_oem_check
= NULL
,
74 .get_apic_id
= default_get_apic_id
,
76 .apic_id_mask
= 0x0F << 24,
78 .cpu_mask_to_apicid
= default_cpu_mask_to_apicid
,
79 .cpu_mask_to_apicid_and
= default_cpu_mask_to_apicid_and
,
81 .send_IPI_mask
= send_IPI_mask
,
82 .send_IPI_mask_allbutself
= NULL
,
83 .send_IPI_allbutself
= send_IPI_allbutself
,
84 .send_IPI_all
= send_IPI_all
,
85 .send_IPI_self
= NULL
,
88 .trampoline_phys_low
= TRAMPOLINE_PHYS_LOW
,
89 .trampoline_phys_high
= TRAMPOLINE_PHYS_HIGH
,
90 .wait_for_init_deassert
= wait_for_init_deassert
,
91 .smp_callin_clear_local_apic
= smp_callin_clear_local_apic
,
92 .store_NMI_vector
= store_NMI_vector
,
93 .restore_NMI_vector
= restore_NMI_vector
,
94 .inquire_remote_apic
= inquire_remote_apic
,