mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-04 09:59:32 +00:00
x86, x2apic: Move the common bits to x2apic.h
To eliminate code duplication. Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org> Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Cc: steiner@sgi.com Cc: yinghai@kernel.org Link: http://lkml.kernel.org/r/20110519234637.591426753@sbsiddha-MOBL3.sc.intel.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
parent
9d0fa6c5f4
commit
79deb8e511
3 changed files with 69 additions and 124 deletions
62
arch/x86/include/asm/x2apic.h
Normal file
62
arch/x86/include/asm/x2apic.h
Normal file
|
@ -0,0 +1,62 @@
|
|||
/*
|
||||
* Common bits for X2APIC cluster/physical modes.
|
||||
*/
|
||||
|
||||
#ifndef _ASM_X86_X2APIC_H
|
||||
#define _ASM_X86_X2APIC_H
|
||||
|
||||
#include <asm/apic.h>
|
||||
#include <asm/ipi.h>
|
||||
#include <linux/cpumask.h>
|
||||
|
||||
/*
|
||||
* Need to use more than cpu 0, because we need more vectors
|
||||
* when MSI-X are used.
|
||||
*/
|
||||
static const struct cpumask *x2apic_target_cpus(void)
|
||||
{
|
||||
return cpu_online_mask;
|
||||
}
|
||||
|
||||
static int x2apic_apic_id_registered(void)
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
|
||||
/*
|
||||
* For now each logical cpu is in its own vector allocation domain.
|
||||
*/
|
||||
static void x2apic_vector_allocation_domain(int cpu, struct cpumask *retmask)
|
||||
{
|
||||
cpumask_clear(retmask);
|
||||
cpumask_set_cpu(cpu, retmask);
|
||||
}
|
||||
|
||||
static void
|
||||
__x2apic_send_IPI_dest(unsigned int apicid, int vector, unsigned int dest)
|
||||
{
|
||||
unsigned long cfg = __prepare_ICR(0, vector, dest);
|
||||
native_x2apic_icr_write(cfg, apicid);
|
||||
}
|
||||
|
||||
static unsigned int x2apic_get_apic_id(unsigned long id)
|
||||
{
|
||||
return id;
|
||||
}
|
||||
|
||||
static unsigned long x2apic_set_apic_id(unsigned int id)
|
||||
{
|
||||
return id;
|
||||
}
|
||||
|
||||
static int x2apic_phys_pkg_id(int initial_apicid, int index_msb)
|
||||
{
|
||||
return initial_apicid >> index_msb;
|
||||
}
|
||||
|
||||
static void x2apic_send_IPI_self(int vector)
|
||||
{
|
||||
apic_write(APIC_SELF_IPI, vector);
|
||||
}
|
||||
|
||||
#endif /* _ASM_X86_X2APIC_H */
|
|
@ -8,8 +8,7 @@
|
|||
#include <linux/cpu.h>
|
||||
|
||||
#include <asm/smp.h>
|
||||
#include <asm/apic.h>
|
||||
#include <asm/ipi.h>
|
||||
#include <asm/x2apic.h>
|
||||
|
||||
static DEFINE_PER_CPU(u32, x86_cpu_to_logical_apicid);
|
||||
static DEFINE_PER_CPU(cpumask_var_t, cpus_in_cluster);
|
||||
|
@ -20,37 +19,6 @@ static int x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
|
|||
return x2apic_enabled();
|
||||
}
|
||||
|
||||
/*
|
||||
* need to use more than cpu 0, because we need more vectors when
|
||||
* MSI-X are used.
|
||||
*/
|
||||
static const struct cpumask *x2apic_target_cpus(void)
|
||||
{
|
||||
return cpu_online_mask;
|
||||
}
|
||||
|
||||
/*
|
||||
* for now each logical cpu is in its own vector allocation domain.
|
||||
*/
|
||||
static void x2apic_vector_allocation_domain(int cpu, struct cpumask *retmask)
|
||||
{
|
||||
cpumask_clear(retmask);
|
||||
cpumask_set_cpu(cpu, retmask);
|
||||
}
|
||||
|
||||
static void
|
||||
__x2apic_send_IPI_dest(unsigned int apicid, int vector, unsigned int dest)
|
||||
{
|
||||
unsigned long cfg;
|
||||
|
||||
cfg = __prepare_ICR(0, vector, dest);
|
||||
|
||||
/*
|
||||
* send the IPI.
|
||||
*/
|
||||
native_x2apic_icr_write(cfg, apicid);
|
||||
}
|
||||
|
||||
static inline u32 x2apic_cluster(int cpu)
|
||||
{
|
||||
return per_cpu(x86_cpu_to_logical_apicid, cpu) >> 16;
|
||||
|
@ -128,11 +96,6 @@ static void x2apic_send_IPI_all(int vector)
|
|||
__x2apic_send_IPI_mask(cpu_online_mask, vector, APIC_DEST_ALLINC);
|
||||
}
|
||||
|
||||
static int x2apic_apic_id_registered(void)
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
|
||||
static unsigned int x2apic_cpu_mask_to_apicid(const struct cpumask *cpumask)
|
||||
{
|
||||
/*
|
||||
|
@ -165,32 +128,6 @@ x2apic_cpu_mask_to_apicid_and(const struct cpumask *cpumask,
|
|||
return per_cpu(x86_cpu_to_logical_apicid, cpu);
|
||||
}
|
||||
|
||||
static unsigned int x2apic_cluster_phys_get_apic_id(unsigned long x)
|
||||
{
|
||||
unsigned int id;
|
||||
|
||||
id = x;
|
||||
return id;
|
||||
}
|
||||
|
||||
static unsigned long set_apic_id(unsigned int id)
|
||||
{
|
||||
unsigned long x;
|
||||
|
||||
x = id;
|
||||
return x;
|
||||
}
|
||||
|
||||
static int x2apic_cluster_phys_pkg_id(int initial_apicid, int index_msb)
|
||||
{
|
||||
return initial_apicid >> index_msb;
|
||||
}
|
||||
|
||||
static void x2apic_send_IPI_self(int vector)
|
||||
{
|
||||
apic_write(APIC_SELF_IPI, vector);
|
||||
}
|
||||
|
||||
static void init_x2apic_ldr(void)
|
||||
{
|
||||
unsigned int this_cpu = smp_processor_id();
|
||||
|
@ -298,11 +235,11 @@ struct apic apic_x2apic_cluster = {
|
|||
.setup_portio_remap = NULL,
|
||||
.check_phys_apicid_present = default_check_phys_apicid_present,
|
||||
.enable_apic_mode = NULL,
|
||||
.phys_pkg_id = x2apic_cluster_phys_pkg_id,
|
||||
.phys_pkg_id = x2apic_phys_pkg_id,
|
||||
.mps_oem_check = NULL,
|
||||
|
||||
.get_apic_id = x2apic_cluster_phys_get_apic_id,
|
||||
.set_apic_id = set_apic_id,
|
||||
.get_apic_id = x2apic_get_apic_id,
|
||||
.set_apic_id = x2apic_set_apic_id,
|
||||
.apic_id_mask = 0xFFFFFFFFu,
|
||||
|
||||
.cpu_mask_to_apicid = x2apic_cpu_mask_to_apicid,
|
||||
|
|
|
@ -7,8 +7,7 @@
|
|||
#include <linux/dmar.h>
|
||||
|
||||
#include <asm/smp.h>
|
||||
#include <asm/apic.h>
|
||||
#include <asm/ipi.h>
|
||||
#include <asm/x2apic.h>
|
||||
|
||||
int x2apic_phys;
|
||||
|
||||
|
@ -27,34 +26,6 @@ static int x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
|
|||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* need to use more than cpu 0, because we need more vectors when
|
||||
* MSI-X are used.
|
||||
*/
|
||||
static const struct cpumask *x2apic_target_cpus(void)
|
||||
{
|
||||
return cpu_online_mask;
|
||||
}
|
||||
|
||||
static void x2apic_vector_allocation_domain(int cpu, struct cpumask *retmask)
|
||||
{
|
||||
cpumask_clear(retmask);
|
||||
cpumask_set_cpu(cpu, retmask);
|
||||
}
|
||||
|
||||
static void __x2apic_send_IPI_dest(unsigned int apicid, int vector,
|
||||
unsigned int dest)
|
||||
{
|
||||
unsigned long cfg;
|
||||
|
||||
cfg = __prepare_ICR(0, vector, dest);
|
||||
|
||||
/*
|
||||
* send the IPI.
|
||||
*/
|
||||
native_x2apic_icr_write(cfg, apicid);
|
||||
}
|
||||
|
||||
static void
|
||||
__x2apic_send_IPI_mask(const struct cpumask *mask, int vector, int apic_dest)
|
||||
{
|
||||
|
@ -97,11 +68,6 @@ static void x2apic_send_IPI_all(int vector)
|
|||
__x2apic_send_IPI_mask(cpu_online_mask, vector, APIC_DEST_ALLINC);
|
||||
}
|
||||
|
||||
static int x2apic_apic_id_registered(void)
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
|
||||
static unsigned int x2apic_cpu_mask_to_apicid(const struct cpumask *cpumask)
|
||||
{
|
||||
/*
|
||||
|
@ -134,26 +100,6 @@ x2apic_cpu_mask_to_apicid_and(const struct cpumask *cpumask,
|
|||
return per_cpu(x86_cpu_to_apicid, cpu);
|
||||
}
|
||||
|
||||
static unsigned int x2apic_phys_get_apic_id(unsigned long x)
|
||||
{
|
||||
return x;
|
||||
}
|
||||
|
||||
static unsigned long set_apic_id(unsigned int id)
|
||||
{
|
||||
return id;
|
||||
}
|
||||
|
||||
static int x2apic_phys_pkg_id(int initial_apicid, int index_msb)
|
||||
{
|
||||
return initial_apicid >> index_msb;
|
||||
}
|
||||
|
||||
static void x2apic_send_IPI_self(int vector)
|
||||
{
|
||||
apic_write(APIC_SELF_IPI, vector);
|
||||
}
|
||||
|
||||
static void init_x2apic_ldr(void)
|
||||
{
|
||||
}
|
||||
|
@ -196,8 +142,8 @@ struct apic apic_x2apic_phys = {
|
|||
.phys_pkg_id = x2apic_phys_pkg_id,
|
||||
.mps_oem_check = NULL,
|
||||
|
||||
.get_apic_id = x2apic_phys_get_apic_id,
|
||||
.set_apic_id = set_apic_id,
|
||||
.get_apic_id = x2apic_get_apic_id,
|
||||
.set_apic_id = x2apic_set_apic_id,
|
||||
.apic_id_mask = 0xFFFFFFFFu,
|
||||
|
||||
.cpu_mask_to_apicid = x2apic_cpu_mask_to_apicid,
|
||||
|
|
Loading…
Reference in a new issue