debuggers.hg

view xen/include/asm-x86/smp.h @ 22906:700ac6445812

Now add KDB to the non-kdb tree
author Mukesh Rathor
date Thu Feb 03 15:42:41 2011 -0800 (2011-02-03)
parents 578ed14c3c67
children
line source
1 #ifndef __ASM_SMP_H
2 #define __ASM_SMP_H
4 /*
5 * We need the APIC definitions automatically as part of 'smp.h'
6 */
7 #ifndef __ASSEMBLY__
8 #include <xen/config.h>
9 #include <xen/kernel.h>
10 #include <xen/cpumask.h>
11 #include <asm/current.h>
12 #endif
14 #ifndef __ASSEMBLY__
15 #include <asm/bitops.h>
16 #include <asm/mpspec.h>
17 #endif
19 #define BAD_APICID -1U
20 #ifdef CONFIG_SMP
21 #ifndef __ASSEMBLY__
23 /*
24 * Private routines/data
25 */
27 extern void smp_alloc_memory(void);
28 DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
29 DECLARE_PER_CPU(cpumask_t, cpu_core_map);
31 void smp_send_nmi_allbutself(void);
33 void send_IPI_mask(const cpumask_t *mask, int vector);
35 extern void (*mtrr_hook) (void);
37 #ifdef CONFIG_X86_64
38 extern void zap_low_mappings(void);
39 #else
40 extern void zap_low_mappings(l2_pgentry_t *base);
41 #endif
43 #define MAX_APICID 256
44 extern u32 x86_cpu_to_apicid[];
45 extern u32 cpu_2_logical_apicid[];
47 #define cpu_physical_id(cpu) x86_cpu_to_apicid[cpu]
49 #define cpu_is_offline(cpu) unlikely(!cpu_online(cpu))
50 extern void cpu_exit_clear(unsigned int cpu);
51 extern void cpu_uninit(unsigned int cpu);
52 int cpu_add(uint32_t apic_id, uint32_t acpi_id, uint32_t pxm);
54 /*
55 * This function is needed by all SMP systems. It must _always_ be valid
56 * from the initial startup. We map APIC_BASE very early in page_setup(),
57 * so this is correct in the x86 case.
58 */
59 #define raw_smp_processor_id() (get_processor_id())
61 int hard_smp_processor_id(void);
62 int logical_smp_processor_id(void);
64 void __stop_this_cpu(void);
66 #endif /* !__ASSEMBLY__ */
68 #else /* CONFIG_SMP */
70 #define cpu_physical_id(cpu) boot_cpu_physical_apicid
72 #define NO_PROC_ID 0xFF /* No processor magic marker */
74 #endif
75 #endif