| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * APIC driver for "bigsmp" XAPIC machines with more than 8 virtual CPUs. |
| 3 | * Drives the local APIC in "clustered mode". |
| 4 | */ |
| 5 | #define APIC_DEFINITION 1 |
| 6 | #include <linux/config.h> |
| 7 | #include <linux/threads.h> |
| 8 | #include <linux/cpumask.h> |
| 9 | #include <asm/mpspec.h> |
| 10 | #include <asm/genapic.h> |
| 11 | #include <asm/fixmap.h> |
| 12 | #include <asm/apicdef.h> |
| 13 | #include <linux/kernel.h> |
| 14 | #include <linux/smp.h> |
| 15 | #include <linux/init.h> |
| 16 | #include <linux/dmi.h> |
| 17 | #include <asm/mach-bigsmp/mach_apic.h> |
| 18 | #include <asm/mach-bigsmp/mach_apicdef.h> |
| 19 | #include <asm/mach-bigsmp/mach_ipi.h> |
| 20 | #include <asm/mach-default/mach_mpparse.h> |
| 21 | |
| 22 | static int dmi_bigsmp; /* can be set by dmi scanners */ |
| 23 | |
| 24 | static __init int hp_ht_bigsmp(struct dmi_system_id *d) |
| 25 | { |
| 26 | #ifdef CONFIG_X86_GENERICARCH |
| 27 | printk(KERN_NOTICE "%s detected: force use of apic=bigsmp\n", d->ident); |
| 28 | dmi_bigsmp = 1; |
| 29 | #endif |
| 30 | return 0; |
| 31 | } |
| 32 | |
| 33 | |
| 34 | static struct dmi_system_id __initdata bigsmp_dmi_table[] = { |
| 35 | { hp_ht_bigsmp, "HP ProLiant DL760 G2", { |
| 36 | DMI_MATCH(DMI_BIOS_VENDOR, "HP"), |
| 37 | DMI_MATCH(DMI_BIOS_VERSION, "P44-"), |
| 38 | }}, |
| 39 | |
| 40 | { hp_ht_bigsmp, "HP ProLiant DL740", { |
| 41 | DMI_MATCH(DMI_BIOS_VENDOR, "HP"), |
| 42 | DMI_MATCH(DMI_BIOS_VERSION, "P47-"), |
| 43 | }}, |
| 44 | { } |
| 45 | }; |
| 46 | |
| 47 | |
| 48 | static __init int probe_bigsmp(void) |
| 49 | { |
| 50 | dmi_check_system(bigsmp_dmi_table); |
| 51 | return dmi_bigsmp; |
| 52 | } |
| 53 | |
| 54 | struct genapic apic_bigsmp = APIC_INIT("bigsmp", probe_bigsmp); |