115 lines
3.1 KiB
C
115 lines
3.1 KiB
C
/*
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* APIC driver for "bigsmp" XAPIC machines with more than 8 virtual CPUs.
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* Drives the local APIC in "clustered mode".
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*/
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#define APIC_DEFINITION 1
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#include <linux/threads.h>
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#include <linux/cpumask.h>
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#include <asm/mpspec.h>
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#include <asm/genapic.h>
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#include <asm/fixmap.h>
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#include <asm/apicdef.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/dmi.h>
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#include <asm/bigsmp/apicdef.h>
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#include <linux/smp.h>
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#include <asm/bigsmp/apic.h>
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#include <asm/bigsmp/ipi.h>
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#include <asm/mach-default/mach_mpparse.h>
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#include <asm/mach-default/mach_wakecpu.h>
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static int dmi_bigsmp; /* can be set by dmi scanners */
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static int hp_ht_bigsmp(const struct dmi_system_id *d)
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{
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printk(KERN_NOTICE "%s detected: force use of apic=bigsmp\n", d->ident);
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dmi_bigsmp = 1;
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return 0;
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}
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static const struct dmi_system_id bigsmp_dmi_table[] = {
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{ hp_ht_bigsmp, "HP ProLiant DL760 G2",
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{ DMI_MATCH(DMI_BIOS_VENDOR, "HP"),
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DMI_MATCH(DMI_BIOS_VERSION, "P44-"),}
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},
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{ hp_ht_bigsmp, "HP ProLiant DL740",
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{ DMI_MATCH(DMI_BIOS_VENDOR, "HP"),
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DMI_MATCH(DMI_BIOS_VERSION, "P47-"),}
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},
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{ }
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};
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static void bigsmp_vector_allocation_domain(int cpu, cpumask_t *retmask)
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{
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cpus_clear(*retmask);
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cpu_set(cpu, *retmask);
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}
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static int probe_bigsmp(void)
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{
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if (def_to_bigsmp)
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dmi_bigsmp = 1;
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else
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dmi_check_system(bigsmp_dmi_table);
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return dmi_bigsmp;
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}
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struct genapic apic_bigsmp = {
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.name = "bigsmp",
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.probe = probe_bigsmp,
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.acpi_madt_oem_check = NULL,
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.apic_id_registered = bigsmp_apic_id_registered,
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.irq_delivery_mode = dest_Fixed,
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/* phys delivery to target CPU: */
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.irq_dest_mode = 0,
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.target_cpus = bigsmp_target_cpus,
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.disable_esr = 1,
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.dest_logical = 0,
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.check_apicid_used = bigsmp_check_apicid_used,
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.check_apicid_present = bigsmp_check_apicid_present,
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.vector_allocation_domain = bigsmp_vector_allocation_domain,
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.init_apic_ldr = bigsmp_init_apic_ldr,
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.ioapic_phys_id_map = bigsmp_ioapic_phys_id_map,
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.setup_apic_routing = bigsmp_setup_apic_routing,
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.multi_timer_check = NULL,
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.apicid_to_node = bigsmp_apicid_to_node,
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.cpu_to_logical_apicid = bigsmp_cpu_to_logical_apicid,
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.cpu_present_to_apicid = bigsmp_cpu_present_to_apicid,
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.apicid_to_cpu_present = bigsmp_apicid_to_cpu_present,
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.setup_portio_remap = NULL,
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.check_phys_apicid_present = bigsmp_check_phys_apicid_present,
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.enable_apic_mode = NULL,
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.phys_pkg_id = bigsmp_phys_pkg_id,
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.mps_oem_check = NULL,
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.get_apic_id = bigsmp_get_apic_id,
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.set_apic_id = NULL,
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.apic_id_mask = 0xFF << 24,
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.cpu_mask_to_apicid = bigsmp_cpu_mask_to_apicid,
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.cpu_mask_to_apicid_and = bigsmp_cpu_mask_to_apicid_and,
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.send_IPI_mask = default_send_IPI_mask,
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.send_IPI_mask_allbutself = NULL,
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.send_IPI_allbutself = bigsmp_send_IPI_allbutself,
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.send_IPI_all = bigsmp_send_IPI_all,
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.send_IPI_self = NULL,
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.wakeup_cpu = NULL,
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.trampoline_phys_low = TRAMPOLINE_PHYS_LOW,
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.trampoline_phys_high = TRAMPOLINE_PHYS_HIGH,
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.wait_for_init_deassert = wait_for_init_deassert,
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.smp_callin_clear_local_apic = smp_callin_clear_local_apic,
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.store_NMI_vector = store_NMI_vector,
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.restore_NMI_vector = restore_NMI_vector,
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.inquire_remote_apic = inquire_remote_apic,
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};
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