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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef __ASM_MACH_APIC_H
2#define __ASM_MACH_APIC_H
3
Glauber Costadd46e3c2008-03-25 18:10:46 -03004#ifdef CONFIG_X86_LOCAL_APIC
5
Linus Torvalds1da177e2005-04-16 15:20:36 -07006#include <mach_apicdef.h>
7#include <asm/smp.h>
8
9#define APIC_DFR_VALUE (APIC_DFR_FLAT)
10
11static inline cpumask_t target_cpus(void)
12{
13#ifdef CONFIG_SMP
14 return cpu_online_map;
15#else
16 return cpumask_of_cpu(0);
17#endif
18}
Linus Torvalds1da177e2005-04-16 15:20:36 -070019
20#define NO_BALANCE_IRQ (0)
21#define esr_disable (0)
22
Glauber Costadd46e3c2008-03-25 18:10:46 -030023#ifdef CONFIG_X86_64
24#include <asm/genapic.h>
25#define INT_DELIVERY_MODE (genapic->int_delivery_mode)
26#define INT_DEST_MODE (genapic->int_dest_mode)
27#define TARGET_CPUS (genapic->target_cpus())
28#define apic_id_registered (genapic->apic_id_registered)
29#define init_apic_ldr (genapic->init_apic_ldr)
30#define cpu_mask_to_apicid (genapic->cpu_mask_to_apicid)
31#define phys_pkg_id (genapic->phys_pkg_id)
32#define vector_allocation_domain (genapic->vector_allocation_domain)
Suresh Siddha0c81c742008-07-10 11:16:48 -070033#define read_apic_id (genapic->read_apic_id)
Suresh Siddhacff73a62008-07-10 11:16:53 -070034#define send_IPI_self (genapic->send_IPI_self)
Glauber Costadd46e3c2008-03-25 18:10:46 -030035extern void setup_apic_routing(void);
36#else
Linus Torvalds1da177e2005-04-16 15:20:36 -070037#define INT_DELIVERY_MODE dest_LowestPrio
38#define INT_DEST_MODE 1 /* logical delivery broadcast to all procs */
Glauber Costadd46e3c2008-03-25 18:10:46 -030039#define TARGET_CPUS (target_cpus())
Linus Torvalds1da177e2005-04-16 15:20:36 -070040/*
41 * Set up the logical destination ID.
42 *
43 * Intel recommends to set DFR, LDR and TPR before enabling
44 * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel
45 * document number 292116). So here it goes...
46 */
47static inline void init_apic_ldr(void)
48{
49 unsigned long val;
50
51 apic_write_around(APIC_DFR, APIC_DFR_VALUE);
52 val = apic_read(APIC_LDR) & ~APIC_LDR_MASK;
53 val |= SET_APIC_LOGICAL_ID(1UL << smp_processor_id());
54 apic_write_around(APIC_LDR, val);
55}
56
Glauber Costadd46e3c2008-03-25 18:10:46 -030057static inline int apic_id_registered(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -070058{
Yinghai Lu4c9961d2008-07-11 18:44:16 -070059 return physid_isset(read_apic_id(), phys_cpu_present_map);
Linus Torvalds1da177e2005-04-16 15:20:36 -070060}
61
Glauber Costadd46e3c2008-03-25 18:10:46 -030062static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
63{
64 return cpus_addr(cpumask)[0];
65}
66
67static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
68{
69 return cpuid_apic >> index_msb;
70}
71
Ingo Molnar3c43f032007-05-02 19:27:04 +020072static inline void setup_apic_routing(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -070073{
Alexey Starikovskiy61048c62008-04-04 23:41:07 +040074#ifdef CONFIG_X86_IO_APIC
Linus Torvalds1da177e2005-04-16 15:20:36 -070075 printk("Enabling APIC mode: %s. Using %d I/O APICs\n",
76 "Flat", nr_ioapics);
Alexey Starikovskiy61048c62008-04-04 23:41:07 +040077#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070078}
79
Linus Torvalds1da177e2005-04-16 15:20:36 -070080static inline int apicid_to_node(int logical_apicid)
81{
Yinghai Luf47f9d52008-06-24 22:13:15 -070082#ifdef CONFIG_SMP
83 return apicid_2_node[hard_smp_processor_id()];
84#else
Linus Torvalds1da177e2005-04-16 15:20:36 -070085 return 0;
Yinghai Luf47f9d52008-06-24 22:13:15 -070086#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070087}
Glauber de Oliveira Costaf6bc4022008-03-19 14:25:53 -030088#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070089
Glauber Costadd46e3c2008-03-25 18:10:46 -030090static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid)
91{
92 return physid_isset(apicid, bitmap);
93}
94
95static inline unsigned long check_apicid_present(int bit)
96{
97 return physid_isset(bit, phys_cpu_present_map);
98}
99
100static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map)
101{
102 return phys_map;
103}
104
105static inline int multi_timer_check(int apic, int irq)
106{
107 return 0;
108}
109
Linus Torvalds1da177e2005-04-16 15:20:36 -0700110/* Mapping from cpu number to logical apicid */
111static inline int cpu_to_logical_apicid(int cpu)
112{
113 return 1 << cpu;
114}
115
116static inline int cpu_present_to_apicid(int mps_cpu)
117{
Hugh Dickins5f464702008-04-30 16:17:46 +0100118 if (mps_cpu < NR_CPUS && cpu_present(mps_cpu))
Glauber de Oliveira Costaf6bc4022008-03-19 14:25:53 -0300119 return (int)per_cpu(x86_bios_cpu_apicid, mps_cpu);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120 else
121 return BAD_APICID;
122}
123
124static inline physid_mask_t apicid_to_cpu_present(int phys_apicid)
125{
126 return physid_mask_of_physid(phys_apicid);
127}
128
Linus Torvalds1da177e2005-04-16 15:20:36 -0700129static inline void setup_portio_remap(void)
130{
131}
132
133static inline int check_phys_apicid_present(int boot_cpu_physical_apicid)
134{
135 return physid_isset(boot_cpu_physical_apicid, phys_cpu_present_map);
136}
137
Linus Torvalds1da177e2005-04-16 15:20:36 -0700138static inline void enable_apic_mode(void)
139{
140}
141
Glauber Costadd46e3c2008-03-25 18:10:46 -0300142#endif /* CONFIG_X86_LOCAL_APIC */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700143#endif /* __ASM_MACH_APIC_H */