1 files changed, 57 insertions, 0 deletions
diff --git a/arch/x86/mach-generic/bigsmp.c b/arch/x86/mach-generic/bigsmp.c
new file mode 100644
index 00000000000..292a225edab
--- /dev/null
+++ b/arch/x86/mach-generic/bigsmp.c
@@ -0,0 +1,57 @@
+/* 
+ * 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);