2 * APIC driver for "bigsmp" XAPIC machines with more than 8 virtual CPUs.
3 * Drives the local APIC in "clustered mode".
5 #define APIC_DEFINITION 1
6 #include <linux/threads.h>
7 #include <linux/cpumask.h>
8 #include <asm/mpspec.h>
9 #include <asm/genapic.h>
10 #include <asm/fixmap.h>
11 #include <asm/apicdef.h>
12 #include <linux/kernel.h>
13 #include <linux/init.h>
14 #include <linux/dmi.h>
15 #include <asm/bigsmp/apicdef.h>
16 #include <linux/smp.h>
17 #include <asm/bigsmp/apic.h>
18 #include <asm/bigsmp/ipi.h>
19 #include <asm/mach-default/mach_mpparse.h>
20 #include <asm/mach-default/mach_wakecpu.h>
22 static int dmi_bigsmp
; /* can be set by dmi scanners */
24 static int hp_ht_bigsmp(const struct dmi_system_id
*d
)
26 printk(KERN_NOTICE
"%s detected: force use of apic=bigsmp\n", d
->ident
);
32 static const struct dmi_system_id bigsmp_dmi_table
[] = {
33 { hp_ht_bigsmp
, "HP ProLiant DL760 G2",
34 { DMI_MATCH(DMI_BIOS_VENDOR
, "HP"),
35 DMI_MATCH(DMI_BIOS_VERSION
, "P44-"),}
38 { hp_ht_bigsmp
, "HP ProLiant DL740",
39 { DMI_MATCH(DMI_BIOS_VENDOR
, "HP"),
40 DMI_MATCH(DMI_BIOS_VERSION
, "P47-"),}
45 static void vector_allocation_domain(int cpu
, cpumask_t
*retmask
)
48 cpu_set(cpu
, *retmask
);
51 static int probe_bigsmp(void)
56 dmi_check_system(bigsmp_dmi_table
);
60 struct genapic apic_bigsmp
= {
63 .probe
= probe_bigsmp
,
64 .acpi_madt_oem_check
= NULL
,
65 .apic_id_registered
= bigsmp_apic_id_registered
,
67 .irq_delivery_mode
= dest_Fixed
,
68 /* phys delivery to target CPU: */
71 .target_cpus
= bigsmp_target_cpus
,
74 .check_apicid_used
= bigsmp_check_apicid_used
,
75 .check_apicid_present
= bigsmp_check_apicid_present
,
77 .no_balance_irq
= NO_BALANCE_IRQ
,
80 .vector_allocation_domain
= vector_allocation_domain
,
81 .init_apic_ldr
= init_apic_ldr
,
83 .ioapic_phys_id_map
= ioapic_phys_id_map
,
84 .setup_apic_routing
= setup_apic_routing
,
85 .multi_timer_check
= multi_timer_check
,
86 .apicid_to_node
= apicid_to_node
,
87 .cpu_to_logical_apicid
= cpu_to_logical_apicid
,
88 .cpu_present_to_apicid
= cpu_present_to_apicid
,
89 .apicid_to_cpu_present
= apicid_to_cpu_present
,
90 .setup_portio_remap
= setup_portio_remap
,
91 .check_phys_apicid_present
= check_phys_apicid_present
,
92 .enable_apic_mode
= enable_apic_mode
,
93 .phys_pkg_id
= phys_pkg_id
,
94 .mps_oem_check
= mps_oem_check
,
96 .get_apic_id
= get_apic_id
,
98 .apic_id_mask
= APIC_ID_MASK
,
100 .cpu_mask_to_apicid
= cpu_mask_to_apicid
,
101 .cpu_mask_to_apicid_and
= cpu_mask_to_apicid_and
,
103 .send_IPI_mask
= send_IPI_mask
,
104 .send_IPI_mask_allbutself
= NULL
,
105 .send_IPI_allbutself
= send_IPI_allbutself
,
106 .send_IPI_all
= send_IPI_all
,
107 .send_IPI_self
= NULL
,
110 .trampoline_phys_low
= TRAMPOLINE_PHYS_LOW
,
111 .trampoline_phys_high
= TRAMPOLINE_PHYS_HIGH
,
112 .wait_for_init_deassert
= wait_for_init_deassert
,
113 .smp_callin_clear_local_apic
= smp_callin_clear_local_apic
,
114 .store_NMI_vector
= store_NMI_vector
,
115 .restore_NMI_vector
= restore_NMI_vector
,
116 .inquire_remote_apic
= inquire_remote_apic
,