X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-ia64%2Fsmp.h;h=60fd4ae014f6fbe8a3fe19b8e9171a7e277f609e;hb=refs%2Fheads%2Fvserver;hp=deeccd4f8f35b327e07c4c27db81aef6a792a579;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/include/asm-ia64/smp.h b/include/asm-ia64/smp.h
index deeccd4f8..60fd4ae01 100644
--- a/include/asm-ia64/smp.h
+++ b/include/asm-ia64/smp.h
@@ -3,16 +3,13 @@
  *
  * Copyright (C) 1999 VA Linux Systems
  * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
- * Copyright (C) 2001-2003 Hewlett-Packard Co
+ * (c) Copyright 2001-2003, 2005 Hewlett-Packard Development Company, L.P.
  *	David Mosberger-Tang <davidm@hpl.hp.com>
+ *	Bjorn Helgaas <bjorn.helgaas@hp.com>
  */
 #ifndef _ASM_IA64_SMP_H
 #define _ASM_IA64_SMP_H
 
-#include <linux/config.h>
-
-#ifdef CONFIG_SMP
-
 #include <linux/init.h>
 #include <linux/threads.h>
 #include <linux/kernel.h>
@@ -24,23 +21,45 @@
 #include <asm/processor.h>
 #include <asm/ptrace.h>
 
+static inline unsigned int
+ia64_get_lid (void)
+{
+	union {
+		struct {
+			unsigned long reserved : 16;
+			unsigned long eid : 8;
+			unsigned long id : 8;
+			unsigned long ignored : 32;
+		} f;
+		unsigned long bits;
+	} lid;
+
+	lid.bits = ia64_getreg(_IA64_REG_CR_LID);
+	return lid.f.id << 8 | lid.f.eid;
+}
+
+#ifdef CONFIG_SMP
+
 #define XTP_OFFSET		0x1e0008
 
 #define SMP_IRQ_REDIRECTION	(1 << 0)
 #define SMP_IPI_REDIRECTION	(1 << 1)
 
-#define smp_processor_id()	(current_thread_info()->cpu)
+#define raw_smp_processor_id() (current_thread_info()->cpu)
 
 extern struct smp_boot_data {
 	int cpu_count;
 	int cpu_phys_id[NR_CPUS];
 } smp_boot_data __initdata;
 
-extern char no_int_routing __initdata;
+extern char no_int_routing __devinitdata;
 
-extern cpumask_t phys_cpu_present_map;
 extern cpumask_t cpu_online_map;
-extern unsigned long ipi_base_addr;
+extern cpumask_t cpu_core_map[NR_CPUS];
+extern cpumask_t cpu_sibling_map[NR_CPUS];
+extern int smp_num_siblings;
+extern int smp_num_cpucores;
+extern void __iomem *ipi_base_addr;
 extern unsigned char smp_int_redirect;
 
 extern volatile int ia64_cpu_to_sapicid[];
@@ -48,8 +67,6 @@ extern volatile int ia64_cpu_to_sapicid[];
 
 extern unsigned long ap_wakeup_vector;
 
-#define cpu_possible_map phys_cpu_present_map
-
 /*
  * Function to map hard smp processor id to logical id.  Slow, so don't use this in
  * performance-critical code.
@@ -76,52 +93,45 @@ static inline void
 min_xtp (void)
 {
 	if (smp_int_redirect & SMP_IRQ_REDIRECTION)
-		writeb(0x00, ipi_base_addr | XTP_OFFSET); /* XTP to min */
+		writeb(0x00, ipi_base_addr + XTP_OFFSET); /* XTP to min */
 }
 
 static inline void
 normal_xtp (void)
 {
 	if (smp_int_redirect & SMP_IRQ_REDIRECTION)
-		writeb(0x08, ipi_base_addr | XTP_OFFSET); /* XTP normal */
+		writeb(0x08, ipi_base_addr + XTP_OFFSET); /* XTP normal */
 }
 
 static inline void
 max_xtp (void)
 {
 	if (smp_int_redirect & SMP_IRQ_REDIRECTION)
-		writeb(0x0f, ipi_base_addr | XTP_OFFSET); /* Set XTP to max */
+		writeb(0x0f, ipi_base_addr + XTP_OFFSET); /* Set XTP to max */
 }
 
-static inline unsigned int
-hard_smp_processor_id (void)
-{
-	union {
-		struct {
-			unsigned long reserved : 16;
-			unsigned long eid : 8;
-			unsigned long id : 8;
-			unsigned long ignored : 32;
-		} f;
-		unsigned long bits;
-	} lid;
-
-	lid.bits = ia64_getreg(_IA64_REG_CR_LID);
-	return lid.f.id << 8 | lid.f.eid;
-}
+#define hard_smp_processor_id()		ia64_get_lid()
 
 /* Upping and downing of CPUs */
 extern int __cpu_disable (void);
 extern void __cpu_die (unsigned int cpu);
+extern void cpu_die (void) __attribute__ ((noreturn));
 extern int __cpu_up (unsigned int cpu);
 extern void __init smp_build_cpu_map(void);
 
 extern void __init init_smp_config (void);
 extern void smp_do_timer (struct pt_regs *regs);
 
-extern int smp_call_function_single (int cpuid, void (*func) (void *info), void *info,
-				     int retry, int wait);
 extern void smp_send_reschedule (int cpu);
+extern void lock_ipi_calllock(void);
+extern void unlock_ipi_calllock(void);
+extern void identify_siblings (struct cpuinfo_ia64 *);
+extern int is_multithreading_enabled(void);
+
+#else
+
+#define cpu_logical_id(i)		0
+#define cpu_physical_id(i)		ia64_get_lid()
 
 #endif /* CONFIG_SMP */
 #endif /* _ASM_IA64_SMP_H */