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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)
33extern void setup_apic_routing(void);
34#else
Linus Torvalds1da177e2005-04-16 15:20:36 -070035#define INT_DELIVERY_MODE dest_LowestPrio
36#define INT_DEST_MODE 1 /* logical delivery broadcast to all procs */
Glauber Costadd46e3c2008-03-25 18:10:46 -030037#define TARGET_CPUS (target_cpus())
Linus Torvalds1da177e2005-04-16 15:20:36 -070038/*
39 * Set up the logical destination ID.
40 *
41 * Intel recommends to set DFR, LDR and TPR before enabling
42 * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel
43 * document number 292116). So here it goes...
44 */
45static inline void init_apic_ldr(void)
46{
47 unsigned long val;
48
49 apic_write_around(APIC_DFR, APIC_DFR_VALUE);
50 val = apic_read(APIC_LDR) & ~APIC_LDR_MASK;
51 val |= SET_APIC_LOGICAL_ID(1UL << smp_processor_id());
52 apic_write_around(APIC_LDR, val);
53}
54
Glauber Costadd46e3c2008-03-25 18:10:46 -030055static inline int apic_id_registered(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -070056{
Jack Steiner05f2d122008-03-28 14:12:02 -050057 return physid_isset(GET_APIC_ID(read_apic_id()), phys_cpu_present_map);
Linus Torvalds1da177e2005-04-16 15:20:36 -070058}
59
Glauber Costadd46e3c2008-03-25 18:10:46 -030060static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
61{
62 return cpus_addr(cpumask)[0];
63}
64
65static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
66{
67 return cpuid_apic >> index_msb;
68}
69
Ingo Molnar3c43f032007-05-02 19:27:04 +020070static inline void setup_apic_routing(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -070071{
72 printk("Enabling APIC mode: %s. Using %d I/O APICs\n",
73 "Flat", nr_ioapics);
74}
75
Linus Torvalds1da177e2005-04-16 15:20:36 -070076static inline int apicid_to_node(int logical_apicid)
77{
78 return 0;
79}
Glauber de Oliveira Costaf6bc4022008-03-19 14:25:53 -030080#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070081
Glauber Costadd46e3c2008-03-25 18:10:46 -030082static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid)
83{
84 return physid_isset(apicid, bitmap);
85}
86
87static inline unsigned long check_apicid_present(int bit)
88{
89 return physid_isset(bit, phys_cpu_present_map);
90}
91
92static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map)
93{
94 return phys_map;
95}
96
97static inline int multi_timer_check(int apic, int irq)
98{
99 return 0;
100}
101
Linus Torvalds1da177e2005-04-16 15:20:36 -0700102/* Mapping from cpu number to logical apicid */
103static inline int cpu_to_logical_apicid(int cpu)
104{
105 return 1 << cpu;
106}
107
108static inline int cpu_present_to_apicid(int mps_cpu)
109{
Glauber de Oliveira Costaf6bc4022008-03-19 14:25:53 -0300110#ifdef CONFIG_X86_64
111 if (cpu_present(mps_cpu))
112 return (int)per_cpu(x86_bios_cpu_apicid, mps_cpu);
113#else
Linus Torvalds1da177e2005-04-16 15:20:36 -0700114 if (mps_cpu < get_physical_broadcast())
115 return mps_cpu;
Glauber de Oliveira Costaf6bc4022008-03-19 14:25:53 -0300116#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700117 else
118 return BAD_APICID;
119}
120
121static inline physid_mask_t apicid_to_cpu_present(int phys_apicid)
122{
123 return physid_mask_of_physid(phys_apicid);
124}
125
Linus Torvalds1da177e2005-04-16 15:20:36 -0700126static inline void setup_portio_remap(void)
127{
128}
129
130static inline int check_phys_apicid_present(int boot_cpu_physical_apicid)
131{
132 return physid_isset(boot_cpu_physical_apicid, phys_cpu_present_map);
133}
134
Linus Torvalds1da177e2005-04-16 15:20:36 -0700135static inline void enable_apic_mode(void)
136{
137}
138
Glauber Costadd46e3c2008-03-25 18:10:46 -0300139#endif /* CONFIG_X86_LOCAL_APIC */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700140#endif /* __ASM_MACH_APIC_H */