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: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

7 files changed, 35 insertions, 63 deletions

diff --git a/include/asm-x86/mach-generic/mach_mpparse.h b/include/asm-x86/mach-generic/mach_mpparse.h
index 0d0b5ba..586cadb 100644
--- a/include/asm-x86/mach-generic/mach_mpparse.h
+++ b/include/asm-x86/mach-generic/mach_mpparse.h
@@ -1,7 +1,10 @@
 #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
diff --git a/include/asm-x86/mach-numaq/mach_apic.h b/include/asm-x86/mach-numaq/mach_apic.h
index 75a56e5..d802465 100644
--- a/include/asm-x86/mach-numaq/mach_apic.h
+++ b/include/asm-x86/mach-numaq/mach_apic.h
@@ -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)
diff --git a/include/asm-x86/mach-numaq/mach_mpparse.h b/include/asm-x86/mach-numaq/mach_mpparse.h
index 459b124..626aef6 100644
--- a/include/asm-x86/mach-numaq/mach_mpparse.h
+++ b/include/asm-x86/mach-numaq/mach_mpparse.h
@@ -1,14 +1,7 @@
 #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 */
diff --git a/include/asm-x86/mmzone_32.h b/include/asm-x86/mmzone_32.h
index ab00128..b2298a2 100644
--- a/include/asm-x86/mmzone_32.h
+++ b/include/asm-x86/mmzone_32.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 */
 
diff --git a/include/asm-x86/mpspec.h b/include/asm-x86/mpspec.h
index 4451d72..6e9c958 100644
--- a/include/asm-x86/mpspec.h
+++ b/include/asm-x86/mpspec.h
@@ -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
diff --git a/include/asm-x86/numaq.h b/include/asm-x86/numaq.h
index 739d164..ef068d24 100644
--- a/include/asm-x86/numaq.h
+++ b/include/asm-x86/numaq.h
@@ -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 */
diff --git a/include/asm-x86/srat.h b/include/asm-x86/srat.h
index f4bba13..456fe0b 100644
--- a/include/asm-x86/srat.h
+++ b/include/asm-x86/srat.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_ */