/* * APIC driver for "bigsmp" XAPIC machines with more than 8 virtual CPUs. * Drives the local APIC in "clustered mode". */ #define APIC_DEFINITION 1 #include <linux/threads.h> #include <linux/cpumask.h> #include <asm/smp.h> #include <asm/mpspec.h> #include <asm/genapic.h> #include <asm/fixmap.h> #include <asm/apicdef.h> #include <linux/kernel.h> #include <linux/smp.h> #include <linux/init.h> #include <linux/dmi.h> #include <asm/mach-bigsmp/mach_apic.h> #include <asm/mach-bigsmp/mach_apicdef.h> #include <asm/mach-bigsmp/mach_ipi.h> #include <asm/mach-default/mach_mpparse.h> static int dmi_bigsmp; /* can be set by dmi scanners */ static int hp_ht_bigsmp(const struct dmi_system_id *d) { #ifdef CONFIG_X86_GENERICARCH printk(KERN_NOTICE "%s detected: force use of apic=bigsmp\n", d->ident); dmi_bigsmp = 1; #endif return 0; } static const struct dmi_system_id bigsmp_dmi_table[] = { { hp_ht_bigsmp, "HP ProLiant DL760 G2", { DMI_MATCH(DMI_BIOS_VENDOR, "HP"), DMI_MATCH(DMI_BIOS_VERSION, "P44-"),} }, { hp_ht_bigsmp, "HP ProLiant DL740", { DMI_MATCH(DMI_BIOS_VENDOR, "HP"), DMI_MATCH(DMI_BIOS_VERSION, "P47-"),} }, { } }; static int probe_bigsmp(void) { if (def_to_bigsmp) dmi_bigsmp = 1; else dmi_check_system(bigsmp_dmi_table); return dmi_bigsmp; } struct genapic apic_bigsmp = APIC_INIT("bigsmp", probe_bigsmp);