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/arch/i386/mach-generic/bigsmp.c

https://bitbucket.org/evzijst/gittest
C | 54 lines | 42 code | 8 blank | 4 comment | 0 complexity | 3f13a6eaebd8e4fd1ba455ecde2a7aa9 MD5 | raw file
 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
22static int dmi_bigsmp; /* can be set by dmi scanners */
23
24static __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
34static 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
48static __init int probe_bigsmp(void)
49{ 
50	dmi_check_system(bigsmp_dmi_table);
51	return dmi_bigsmp; 
52} 
53
54struct genapic apic_bigsmp = APIC_INIT("bigsmp", probe_bigsmp);