56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
/*
|
|
* APIC driver for the IBM NUMAQ chipset.
|
|
*/
|
|
#define APIC_DEFINITION 1
|
|
#include <linux/threads.h>
|
|
#include <linux/cpumask.h>
|
|
#include <asm/mpspec.h>
|
|
#include <asm/genapic.h>
|
|
#include <asm/fixmap.h>
|
|
#include <asm/apicdef.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/string.h>
|
|
#include <linux/init.h>
|
|
#include <asm/numaq/apicdef.h>
|
|
#include <linux/smp.h>
|
|
#include <asm/numaq/apic.h>
|
|
#include <asm/numaq/ipi.h>
|
|
#include <asm/numaq/mpparse.h>
|
|
#include <asm/numaq/wakecpu.h>
|
|
#include <asm/numaq.h>
|
|
|
|
static int mps_oem_check(struct mp_config_table *mpc, char *oem,
|
|
char *productid)
|
|
{
|
|
numaq_mps_oem_check(mpc, oem, productid);
|
|
return found_numaq;
|
|
}
|
|
|
|
static int probe_numaq(void)
|
|
{
|
|
/* already know from get_memcfg_numaq() */
|
|
return found_numaq;
|
|
}
|
|
|
|
/* Hook from generic ACPI tables.c */
|
|
static int acpi_madt_oem_check(char *oem_id, char *oem_table_id)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static cpumask_t vector_allocation_domain(int cpu)
|
|
{
|
|
/* Careful. Some cpus do not strictly honor the set of cpus
|
|
* specified in the interrupt destination when using lowest
|
|
* priority interrupt delivery mode.
|
|
*
|
|
* In particular there was a hyperthreading cpu observed to
|
|
* deliver interrupts to the wrong hyperthread when only one
|
|
* hyperthread was specified in the interrupt desitination.
|
|
*/
|
|
cpumask_t domain = { { [0] = APIC_ALL_CPUS, } };
|
|
return domain;
|
|
}
|
|
|
|
struct genapic apic_numaq = APIC_INIT("NUMAQ", probe_numaq);
|