Commit d49c4288 authored by Yinghai Lu's avatar Yinghai Lu Committed by Ingo Molnar

x86: make generic arch support NUMAQ

... so it could fall back to normal numa and we'd reduce the impact of the
NUMAQ subarch.

NUMAQ depends on GENERICARCH
also decouple genericarch numa from acpi.
also make it fall back to bigsmp if apicid > 8.
Signed-off-by: default avatarYinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent e0da3364
......@@ -268,36 +268,6 @@ config X86_VOYAGER
If you do not specifically know you have a Voyager based machine,
say N here, otherwise the kernel you build will not be bootable.
config X86_NUMAQ
bool "NUMAQ (IBM/Sequent)"
depends on SMP && X86_32
select NUMA
help
This option is used for getting Linux to run on a (IBM/Sequent) NUMA
multiquad box. This changes the way that processors are bootstrapped,
and uses Clustered Logical APIC addressing mode instead of Flat Logical.
You will need a new lynxer.elf file to flash your firmware with - send
email to <Martin.Bligh@us.ibm.com>.
config X86_SUMMIT
bool "Summit/EXA (IBM x440)"
depends on X86_32 && SMP
help
This option is needed for IBM systems that use the Summit/EXA chipset.
In particular, it is needed for the x440.
If you don't have one of these computers, you should say N here.
If you want to build a NUMA kernel, you must select ACPI.
config X86_BIGSMP
bool "Support for other sub-arch SMP systems with more than 8 CPUs"
depends on X86_32 && SMP
help
This option is needed for the systems that have more than 8 CPUs
and if the system is not of any sub-arch type above.
If you don't have such a system, you should say N here.
config X86_VISWS
bool "SGI 320/540 (Visual Workstation)"
depends on X86_32
......@@ -311,12 +281,33 @@ config X86_VISWS
and vice versa. See <file:Documentation/sgi-visws.txt> for details.
config X86_GENERICARCH
bool "Generic architecture (Summit, bigsmp, ES7000, default)"
bool "Generic architecture"
depends on X86_32
help
This option compiles in the Summit, bigsmp, ES7000, default subarchitectures.
It is intended for a generic binary kernel.
If you want a NUMA kernel, select ACPI. We need SRAT for NUMA.
This option compiles in the NUMAQ, Summit, bigsmp, ES7000, default
subarchitectures. It is intended for a generic binary kernel.
if you select them all, kernel will probe it one by one. and will
fallback to default.
if X86_GENERICARCH
config X86_NUMAQ
bool "NUMAQ (IBM/Sequent)"
depends on SMP && X86_32
select NUMA
help
This option is used for getting Linux to run on a NUMAQ (IBM/Sequent)
NUMA multiquad box. This changes the way that processors are
bootstrapped, and uses Clustered Logical APIC addressing mode instead
of Flat Logical. You will need a new lynxer.elf file to flash your
firmware with - send email to <Martin.Bligh@us.ibm.com>.
config X86_SUMMIT
bool "Summit/EXA (IBM x440)"
depends on X86_32 && SMP
help
This option is needed for IBM systems that use the Summit/EXA chipset.
In particular, it is needed for the x440.
config X86_ES7000
bool "Support for Unisys ES7000 IA32 series"
......@@ -324,8 +315,15 @@ config X86_ES7000
help
Support for Unisys ES7000 systems. Say 'Y' here if this kernel is
supposed to run on an IA32-based Unisys ES7000 system.
Only choose this option if you have such a system, otherwise you
should say N here.
config X86_BIGSMP
bool "Support for big SMP systems with more than 8 CPUs"
depends on X86_32 && SMP
help
This option is needed for the systems that have more than 8 CPUs
and if the system is not of any sub-arch type above.
endif
config X86_RDC321X
bool "RDC R-321x SoC"
......@@ -913,9 +911,9 @@ config X86_PAE
config NUMA
bool "Numa Memory Allocation and Scheduler Support (EXPERIMENTAL)"
depends on SMP
depends on X86_64 || (X86_32 && HIGHMEM64G && (X86_NUMAQ || (X86_SUMMIT || X86_GENERICARCH) && ACPI) && EXPERIMENTAL)
depends on X86_64 || (X86_32 && HIGHMEM64G && (X86_NUMAQ || X86_GENERICARCH || X86_SUMMIT && ACPI) && EXPERIMENTAL)
default n if X86_PC
default y if (X86_NUMAQ || X86_SUMMIT)
default y if (X86_NUMAQ || X86_SUMMIT || X86_GENERICARCH)
help
Enable NUMA (Non Uniform Memory Access) support.
The kernel will try to allocate memory used by a CPU on the
......
......@@ -117,29 +117,11 @@ mcore-$(CONFIG_X86_VOYAGER) := arch/x86/mach-voyager/
mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-x86/mach-visws
mcore-$(CONFIG_X86_VISWS) := arch/x86/mach-visws/
# NUMAQ subarch support
mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-x86/mach-numaq
mcore-$(CONFIG_X86_NUMAQ) := arch/x86/mach-default/
# BIGSMP subarch support
mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-x86/mach-bigsmp
mcore-$(CONFIG_X86_BIGSMP) := arch/x86/mach-default/
#Summit subarch support
mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-x86/mach-summit
mcore-$(CONFIG_X86_SUMMIT) := arch/x86/mach-default/
# generic subarchitecture
mflags-$(CONFIG_X86_GENERICARCH):= -Iinclude/asm-x86/mach-generic
fcore-$(CONFIG_X86_GENERICARCH) += arch/x86/mach-generic/
mcore-$(CONFIG_X86_GENERICARCH) := arch/x86/mach-default/
# ES7000 subarch support
mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-x86/mach-es7000
fcore-$(CONFIG_X86_ES7000) := arch/x86/mach-es7000/
mcore-$(CONFIG_X86_ES7000) := arch/x86/mach-default/
# RDC R-321x subarch support
mflags-$(CONFIG_X86_RDC321X) := -Iinclude/asm-x86/mach-rdc321x
mcore-$(CONFIG_X86_RDC321X) := arch/x86/mach-default/
......
......@@ -221,10 +221,6 @@ static char *vidmem;
static int vidport;
static int lines, cols;
#ifdef CONFIG_X86_NUMAQ
void *xquad_portio;
#endif
#include "../../../../lib/inflate.c"
static void *malloc(int size)
......
......@@ -848,7 +848,7 @@ static int __init acpi_parse_madt_lapic_entries(void)
#ifdef CONFIG_X86_IO_APIC
#define MP_ISA_BUS 0
#if defined(CONFIG_X86_ES7000) || defined(CONFIG_X86_GENERICARCH)
#ifdef CONFIG_X86_ES7000
extern int es7000_plat;
#endif
......@@ -997,7 +997,7 @@ void __init mp_config_acpi_legacy_irqs(void)
set_bit(MP_ISA_BUS, mp_bus_not_pci);
Dprintk("Bus #%d is ISA\n", MP_ISA_BUS);
#if defined(CONFIG_X86_ES7000) || defined(CONFIG_X86_GENERICARCH)
#ifdef CONFIG_X86_ES7000
/*
* Older generations of ES7000 have no legacy identity mappings
*/
......
......@@ -1722,7 +1722,6 @@ void disable_IO_APIC(void)
* by Matt Domsch <Matt_Domsch@dell.com> Tue Dec 21 12:25:05 CST 1999
*/
#ifndef CONFIG_X86_NUMAQ
static void __init setup_ioapic_ids_from_mpc(void)
{
union IO_APIC_reg_00 reg_00;
......@@ -1732,6 +1731,11 @@ static void __init setup_ioapic_ids_from_mpc(void)
unsigned char old_id;
unsigned long flags;
#ifdef CONFIG_X86_NUMAQ
if (found_numaq)
return;
#endif
/*
* Don't check I/O APIC IDs for xAPIC systems. They have
* no meaning without the serial APIC bus.
......@@ -1828,9 +1832,6 @@ static void __init setup_ioapic_ids_from_mpc(void)
apic_printk(APIC_VERBOSE, " ok.\n");
}
}
#else
static void __init setup_ioapic_ids_from_mpc(void) { }
#endif
int no_timer_check __initdata;
......
......@@ -49,15 +49,73 @@ static int __init mpf_checksum(unsigned char *mp, int len)
}
#ifdef CONFIG_X86_NUMAQ
int found_numaq;
/*
* Have to match translation table entries to main table entries by counter
* hence the mpc_record variable .... can't see a less disgusting way of
* doing this ....
*/
struct mpc_config_translation {
unsigned char mpc_type;
unsigned char trans_len;
unsigned char trans_type;
unsigned char trans_quad;
unsigned char trans_global;
unsigned char trans_local;
unsigned short trans_reserved;
};
static int mpc_record;
static struct mpc_config_translation *translation_table[MAX_MPC_ENTRY]
__cpuinitdata;
static inline int generate_logical_apicid(int quad, int phys_apicid)
{
return (quad << 4) + (phys_apicid ? phys_apicid << 1 : 1);
}
static inline int mpc_apic_id(struct mpc_config_processor *m,
struct mpc_config_translation *translation_record)
{
int quad = translation_record->trans_quad;
int logical_apicid = generate_logical_apicid(quad, m->mpc_apicid);
printk(KERN_DEBUG "Processor #%d %u:%u APIC version %d (quad %d, apic %d)\n",
m->mpc_apicid,
(m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8,
(m->mpc_cpufeature & CPU_MODEL_MASK) >> 4,
m->mpc_apicver, quad, logical_apicid);
return logical_apicid;
}
int mp_bus_id_to_node[MAX_MP_BUSSES];
int mp_bus_id_to_local[MAX_MP_BUSSES];
static void mpc_oem_bus_info(struct mpc_config_bus *m, char *name,
struct mpc_config_translation *translation)
{
int quad = translation->trans_quad;
int local = translation->trans_local;
mp_bus_id_to_node[m->mpc_busid] = quad;
mp_bus_id_to_local[m->mpc_busid] = local;
printk(KERN_INFO "Bus #%d is %s (node %d)\n",
m->mpc_busid, name, quad);
}
int quad_local_to_mp_bus_id [NR_CPUS/4][4];
static void mpc_oem_pci_bus(struct mpc_config_bus *m,
struct mpc_config_translation *translation)
{
int quad = translation->trans_quad;
int local = translation->trans_local;
quad_local_to_mp_bus_id[quad][local] = m->mpc_busid;
}
#endif
static void __cpuinit MP_processor_info(struct mpc_config_processor *m)
......@@ -321,11 +379,11 @@ static void __init smp_read_mpc_oem(struct mp_config_oemtable *oemtable,
}
}
static inline void mps_oem_check(struct mp_config_table *mpc, char *oem,
void numaq_mps_oem_check(struct mp_config_table *mpc, char *oem,
char *productid)
{
if (strncmp(oem, "IBM NUMA", 8))
printk("Warning! May not be a NUMA-Q system!\n");
printk("Warning! Not a NUMA-Q system!\n");
else
found_numaq = 1;
......@@ -388,7 +446,16 @@ static int __init smp_read_mpc(struct mp_config_table *mpc, unsigned early)
return 0;
#ifdef CONFIG_X86_32
mps_oem_check(mpc, oem, str);
/*
* need to make sure summit and es7000's mps_oem_check is safe to be
* called early via genericarch 's mps_oem_check
*/
if (early) {
#ifdef CONFIG_X86_NUMAQ
numaq_mps_oem_check(mpc, oem, str);
#endif
} else
mps_oem_check(mpc, oem, str);
#endif
/* save the local APIC address, it might be non-default */
......
......@@ -36,8 +36,6 @@
#define MB_TO_PAGES(addr) ((addr) << (20 - PAGE_SHIFT))
int found_numaq;
/*
* Function: smp_dump_qct()
*
......
......@@ -36,7 +36,9 @@ static struct rio_table_hdr *rio_table_hdr __initdata;
static struct scal_detail *scal_devs[MAX_NUMNODES] __initdata;
static struct rio_detail *rio_devs[MAX_NUMNODES*4] __initdata;
#ifndef CONFIG_X86_NUMAQ
static int mp_bus_id_to_node[MAX_MP_BUSSES] __initdata;
#endif
static int __init setup_pci_node_map_for_wpeg(int wpeg_num, int last_bus)
{
......
......@@ -3,4 +3,3 @@
#
obj-$(CONFIG_X86_ES7000) := es7000plat.o
obj-$(CONFIG_X86_GENERICARCH) := es7000plat.o
......@@ -177,53 +177,6 @@ find_unisys_acpi_oem_table(unsigned long *oem_addr)
}
#endif
/*
* This file also gets compiled if CONFIG_X86_GENERICARCH is set. Generic
* arch already has got following function definitions (asm-generic/es7000.c)
* hence no need to define these for that case.
*/
#ifndef CONFIG_X86_GENERICARCH
void es7000_sw_apic(void);
void __init enable_apic_mode(void)
{
es7000_sw_apic();
return;
}
__init int mps_oem_check(struct mp_config_table *mpc, char *oem,
char *productid)
{
if (mpc->mpc_oemptr) {
struct mp_config_oemtable *oem_table =
(struct mp_config_oemtable *)mpc->mpc_oemptr;
if (!strncmp(oem, "UNISYS", 6))
return parse_unisys_oem((char *)oem_table);
}
return 0;
}
#ifdef CONFIG_ACPI
/* Hook from generic ACPI tables.c */
int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id)
{
unsigned long oem_addr;
if (!find_unisys_acpi_oem_table(&oem_addr)) {
if (es7000_check_dsdt())
return parse_unisys_oem((char *)oem_addr);
else {
setup_unisys();
return 1;
}
}
return 0;
}
#else
int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id)
{
return 0;
}
#endif
#endif /* COFIG_X86_GENERICARCH */
static void
es7000_spin(int n)
{
......
......@@ -2,7 +2,11 @@
# Makefile for the generic architecture
#
EXTRA_CFLAGS := -Iarch/x86/kernel
EXTRA_CFLAGS := -Iarch/x86/kernel
obj-y := probe.o summit.o bigsmp.o es7000.o default.o
obj-y += ../../x86/mach-es7000/
obj-y := probe.o default.o
obj-$(CONFIG_X86_NUMAQ) += numaq.o
obj-$(CONFIG_X86_SUMMIT) += summit.o
obj-$(CONFIG_X86_BIGSMP) += bigsmp.o
obj-$(CONFIG_X86_ES7000) += es7000.o
obj-$(CONFIG_X86_ES7000) += ../../x86/mach-es7000/
......@@ -23,10 +23,8 @@ 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;
}
......
/*
* APIC driver for the IBM NUMAQ chipset.
*/
#define APIC_DEFINITION 1
#include <linux/threads.h>
#include <linux/cpumask.h>
#include <linux/smp.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/mach-numaq/mach_apic.h>
#include <asm/mach-numaq/mach_apicdef.h>
#include <asm/mach-numaq/mach_ipi.h>
#include <asm/mach-numaq/mach_mpparse.h>
#include <asm/mach-numaq/mach_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;
}
struct genapic apic_numaq = APIC_INIT("NUMAQ", probe_numaq);
......@@ -16,6 +16,7 @@
#include <asm/apicdef.h>
#include <asm/genapic.h>
extern struct genapic apic_numaq;
extern struct genapic apic_summit;
extern struct genapic apic_bigsmp;
extern struct genapic apic_es7000;
......@@ -24,9 +25,18 @@ extern struct genapic apic_default;
struct genapic *genapic = &apic_default;
static struct genapic *apic_probe[] __initdata = {
#ifdef CONFIG_X86_NUMAQ
&apic_numaq,
#endif
#ifdef CONFIG_X86_SUMMIT
&apic_summit,
#endif
#ifdef CONFIG_X86_BIGSMP
&apic_bigsmp,
#endif
#ifdef CONFIG_X86_ES7000
&apic_es7000,
#endif
&apic_default, /* must be last */
NULL,
};
......@@ -54,6 +64,7 @@ early_param("apic", parse_apic);
void __init generic_bigsmp_probe(void)
{
#if CONFIG_X86_BIGSMP
/*
* This routine is used to switch to bigsmp mode when
* - There is no apic= option specified by the user
......@@ -67,6 +78,7 @@ void __init generic_bigsmp_probe(void)
printk(KERN_INFO "Overriding APIC driver with %s\n",
genapic->name);
}
#endif
}
void __init generic_apic_probe(void)
......@@ -88,7 +100,8 @@ void __init generic_apic_probe(void)
/* These functions can switch the APIC even after the initial ->probe() */
int __init mps_oem_check(struct mp_config_table *mpc, char *oem, char *productid)
int __init mps_oem_check(struct mp_config_table *mpc, char *oem,
char *productid)
{
int i;
for (i = 0; apic_probe[i]; ++i) {
......
......@@ -13,10 +13,11 @@ pci-y := fixup.o
pci-$(CONFIG_ACPI) += acpi.o
pci-y += legacy.o irq.o
# Careful: VISWS and NUMAQ overrule the pci-y above. The colons are
# Careful: VISWS overrule the pci-y above. The colons are
# therefor correct. This needs a proper fix by distangling the code.
pci-$(CONFIG_X86_VISWS) := visws.o fixup.o
pci-$(CONFIG_X86_NUMAQ) := numa.o irq.o
pci-$(CONFIG_X86_NUMAQ) += numa.o
# Necessary for NUMAQ as well
pci-$(CONFIG_NUMA) += mp_bus_to_node.o
......
......@@ -6,45 +6,21 @@
#include <linux/init.h>
#include <linux/nodemask.h>
#include <mach_apic.h>
#include <asm/mpspec.h>
#include "pci.h"
#define XQUAD_PORTIO_BASE 0xfe400000
#define XQUAD_PORTIO_QUAD 0x40000 /* 256k per quad. */
int mp_bus_id_to_node[MAX_MP_BUSSES];
#define BUS2QUAD(global) (mp_bus_id_to_node[global])
int mp_bus_id_to_local[MAX_MP_BUSSES];
#define BUS2LOCAL(global) (mp_bus_id_to_local[global])
void mpc_oem_bus_info(struct mpc_config_bus *m, char *name,
struct mpc_config_translation *translation)
{
int quad = translation->trans_quad;
int local = translation->trans_local;
mp_bus_id_to_node[m->mpc_busid] = quad;
mp_bus_id_to_local[m->mpc_busid] = local;
printk(KERN_INFO "Bus #%d is %s (node %d)\n",
m->mpc_busid, name, quad);
}
int quad_local_to_mp_bus_id [NR_CPUS/4][4];
#define QUADLOCAL2BUS(quad,local) (quad_local_to_mp_bus_id[quad][local])
void mpc_oem_pci_bus(struct mpc_config_bus *m,
struct mpc_config_translation *translation)
{
int quad = translation->trans_quad;
int local = translation->trans_local;
quad_local_to_mp_bus_id[quad][local] = m->mpc_busid;
}
/* Where the IO area was mapped on multiquad, always 0 otherwise */
void *xquad_portio;
#ifdef CONFIG_X86_NUMAQ
EXPORT_SYMBOL(xquad_portio);
#endif
#define XQUAD_PORT_ADDR(port, quad) (xquad_portio + (XQUAD_PORTIO_QUAD*quad) + port)
......@@ -179,6 +155,9 @@ static int __init pci_numa_init(void)
{
int quad;
if (!found_numaq)
return 0;
raw_pci_ops = &pci_direct_conf1_mq;
if (pcibios_scanned++)
......
......@@ -4,7 +4,6 @@
menuconfig ACPI
bool "ACPI (Advanced Configuration and Power Interface) Support"
depends on !X86_NUMAQ
depends on !X86_VISWS
depends on !IA64_HP_SIM
depends on IA64 || X86
......
#ifndef _MACH_MPPARSE_H
#define _MACH_MPPARSE_H 1
int mps_oem_check(struct mp_config_table *mpc, char *oem, char *productid);
int acpi_madt_oem_check(char *oem_id, char *oem_table_id);
extern int mps_oem_check(struct mp_config_table *mpc, char *oem,
char *productid);
extern int acpi_madt_oem_check(char *oem_id, char *oem_table_id);
#endif
......@@ -20,8 +20,14 @@ static inline cpumask_t target_cpus(void)
#define INT_DELIVERY_MODE dest_LowestPrio
#define INT_DEST_MODE 0 /* physical delivery on LOCAL quad */
#define check_apicid_used(bitmap, apicid) physid_isset(apicid, bitmap)
#define check_apicid_present(bit) physid_isset(bit, phys_cpu_present_map)
static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid)
{
return physid_isset(apicid, bitmap);
}
static inline unsigned long check_apicid_present(int bit)
{
return physid_isset(bit, phys_cpu_present_map);
}
#define apicid_cluster(apicid) (apicid & 0xF0)
static inline int apic_id_registered(void)
......@@ -77,11 +83,6 @@ static inline int cpu_present_to_apicid(int mps_cpu)
return BAD_APICID;
}
static inline int generate_logical_apicid(int quad, int phys_apicid)
{
return (quad << 4) + (phys_apicid ? phys_apicid << 1 : 1);
}
static inline int apicid_to_node(int logical_apicid)
{
return logical_apicid >> 4;
......@@ -95,30 +96,6 @@ static inline physid_mask_t apicid_to_cpu_present(int logical_apicid)
return physid_mask_of_physid(cpu + 4*node);
}
struct mpc_config_translation {
unsigned char mpc_type;
unsigned char trans_len;
unsigned char trans_type;
unsigned char trans_quad;
unsigned char trans_global;
unsigned char trans_local;
unsigned short trans_reserved;
};
static inline int mpc_apic_id(struct mpc_config_processor *m,
struct mpc_config_translation *translation_record)
{
int quad = translation_record->trans_quad;
int logical_apicid = generate_logical_apicid(quad, m->mpc_apicid);
printk("Processor #%d %u:%u APIC version %d (quad %d, apic %d)\n",
m->mpc_apicid,
(m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8,
(m->mpc_cpufeature & CPU_MODEL_MASK) >> 4,
m->mpc_apicver, quad, logical_apicid);
return logical_apicid;
}
extern void *xquad_portio;
static inline void setup_portio_remap(void)
......
#ifndef __ASM_MACH_MPPARSE_H
#define __ASM_MACH_MPPARSE_H
extern void mpc_oem_bus_info(struct mpc_config_bus *m, char *name,
struct mpc_config_translation *translation);
extern void mpc_oem_pci_bus(struct mpc_config_bus *m,
struct mpc_config_translation *translation);
/* Hook from generic ACPI tables.c */
static inline void acpi_madt_oem_check(char *oem_id, char *oem_table_id)
{
}
extern void numaq_mps_oem_check(struct mp_config_table *mpc, char *oem,
char *productid);
#endif /* __ASM_MACH_MPPARSE_H */
......@@ -12,11 +12,9 @@
extern struct pglist_data *node_data[];
#define NODE_DATA(nid) (node_data[nid])
#ifdef CONFIG_X86_NUMAQ
#include <asm/numaq.h>
#elif defined(CONFIG_ACPI_SRAT)/* summit or generic arch */
#include <asm/srat.h>
#endif
#include <asm/numaq.h>
/* summit or generic arch */
#include <asm/srat.h>
extern int get_memcfg_numa_flat(void);
/*
......@@ -26,14 +24,11 @@ extern int get_memcfg_numa_flat(void);
*/
static inline void get_memcfg_numa(void)
{
#ifdef CONFIG_X86_NUMAQ
if (get_memcfg_numaq())
return;
#elif defined(CONFIG_ACPI_SRAT)
if (get_memcfg_from_srat())
return;
#endif
get_memcfg_numa_flat();
}
......@@ -42,7 +37,6 @@ extern int early_pfn_to_nid(unsigned long pfn);
#else /* !CONFIG_NUMA */
#define get_memcfg_numa get_memcfg_numa_flat
#define get_zholes_size(n) (0)
#endif /* CONFIG_NUMA */
......@@ -83,9 +77,6 @@ static inline int pfn_to_nid(unsigned long pfn)
__pgdat->node_start_pfn + __pgdat->node_spanned_pages; \
})
#ifdef CONFIG_X86_NUMAQ /* we have contiguous memory on NUMA-Q */
#define pfn_valid(pfn) ((pfn) < num_physpages)
#else
static inline int pfn_valid(int pfn)
{
int nid = pfn_to_nid(pfn);
......@@ -94,7 +85,6 @@ static inline int pfn_valid(int pfn)
return (pfn < node_end_pfn(nid));
return 0;
}
#endif /* CONFIG_X86_NUMAQ */
#endif /* CONFIG_DISCONTIGMEM */
......
......@@ -13,6 +13,12 @@ extern int apic_version[MAX_APICS];
extern u8 apicid_2_node[];
extern int pic_mode;
#ifdef CONFIG_X86_NUMAQ
extern int mp_bus_id_to_node[MAX_MP_BUSSES];
extern int mp_bus_id_to_local[MAX_MP_BUSSES];
extern int quad_local_to_mp_bus_id [NR_CPUS/4][4];
#endif
#define MAX_APICID 256
#else
......
......@@ -157,9 +157,10 @@ struct sys_cfg_data {
struct eachquadmem eq[MAX_NUMNODES]; /* indexed by quad id */
};
static inline unsigned long *get_zholes_size(int nid)
#else
static inline int get_memcfg_numaq(void)
{
return NULL;
return 0;
}
#endif /* CONFIG_X86_NUMAQ */
#endif /* NUMAQ_H */
......
......@@ -27,11 +27,13 @@
#ifndef _ASM_SRAT_H_
#define _ASM_SRAT_H_
#ifndef CONFIG_ACPI_SRAT
#error CONFIG_ACPI_SRAT not defined, and srat.h header has been included
#endif
#ifdef CONFIG_ACPI_SRAT
extern int get_memcfg_from_srat(void);
extern unsigned long *get_zholes_size(int);
#else
static inline int get_memcfg_from_srat(void)
{
return 0;
}
#endif
#endif /* _ASM_SRAT_H_ */
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