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Yinghai Lu1176fa92008-07-25 02:17:21 -07001#ifndef __ASM_MACH_APIC_H
2#define __ASM_MACH_APIC_H
Linus Torvalds1da177e2005-04-16 15:20:36 -07003
Glauber de Oliveira Costacbe879f2008-03-19 14:25:19 -03004#define xapic_phys_to_log_apicid(cpu) (per_cpu(x86_bios_cpu_apicid, cpu))
Linus Torvalds1da177e2005-04-16 15:20:36 -07005#define esr_disable (1)
6
Linus Torvalds1da177e2005-04-16 15:20:36 -07007static inline int apic_id_registered(void)
8{
9 return (1);
10}
11
Linus Torvalds1da177e2005-04-16 15:20:36 -070012static inline cpumask_t target_cpus(void)
Yinghai Lu1176fa92008-07-25 02:17:21 -070013{
Yinghai Lu497c9a12008-08-19 20:50:28 -070014#ifdef CONFIG_SMP
15 return cpu_online_map;
16#else
17 return cpumask_of_cpu(0);
18#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070019}
Linus Torvalds1da177e2005-04-16 15:20:36 -070020
Ashok Raj1855a2c2006-01-06 00:12:08 -080021#undef APIC_DEST_LOGICAL
Yinghai Lu1176fa92008-07-25 02:17:21 -070022#define APIC_DEST_LOGICAL 0
Ashok Raj1855a2c2006-01-06 00:12:08 -080023#define APIC_DFR_VALUE (APIC_DFR_FLAT)
24#define INT_DELIVERY_MODE (dest_Fixed)
25#define INT_DEST_MODE (0) /* phys delivery to target proc */
26#define NO_BALANCE_IRQ (0)
27#define WAKE_SECONDARY_VIA_INIT
28
Linus Torvalds1da177e2005-04-16 15:20:36 -070029
30static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid)
31{
Ashok Raj1855a2c2006-01-06 00:12:08 -080032 return (0);
Linus Torvalds1da177e2005-04-16 15:20:36 -070033}
34
Ashok Raj1855a2c2006-01-06 00:12:08 -080035static inline unsigned long check_apicid_present(int bit)
Linus Torvalds1da177e2005-04-16 15:20:36 -070036{
Ashok Raj1855a2c2006-01-06 00:12:08 -080037 return (1);
Linus Torvalds1da177e2005-04-16 15:20:36 -070038}
39
Ashok Raj1855a2c2006-01-06 00:12:08 -080040static inline unsigned long calculate_ldr(int cpu)
Linus Torvalds1da177e2005-04-16 15:20:36 -070041{
Ashok Raj1855a2c2006-01-06 00:12:08 -080042 unsigned long val, id;
43 val = apic_read(APIC_LDR) & ~APIC_LDR_MASK;
44 id = xapic_phys_to_log_apicid(cpu);
45 val |= SET_APIC_LOGICAL_ID(id);
46 return val;
Linus Torvalds1da177e2005-04-16 15:20:36 -070047}
48
49/*
50 * Set up the logical destination ID.
51 *
52 * Intel recommends to set DFR, LDR and TPR before enabling
53 * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel
54 * document number 292116). So here it goes...
55 */
56static inline void init_apic_ldr(void)
57{
58 unsigned long val;
Ashok Raj1855a2c2006-01-06 00:12:08 -080059 int cpu = smp_processor_id();
Linus Torvalds1da177e2005-04-16 15:20:36 -070060
Maciej W. Rozycki593f4a72008-07-16 19:15:30 +010061 apic_write(APIC_DFR, APIC_DFR_VALUE);
Ashok Raj1855a2c2006-01-06 00:12:08 -080062 val = calculate_ldr(cpu);
Maciej W. Rozycki593f4a72008-07-16 19:15:30 +010063 apic_write(APIC_LDR, val);
Linus Torvalds1da177e2005-04-16 15:20:36 -070064}
65
Ingo Molnar3c43f032007-05-02 19:27:04 +020066static inline void setup_apic_routing(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -070067{
68 printk("Enabling APIC mode: %s. Using %d I/O APICs\n",
Ashok Raj1855a2c2006-01-06 00:12:08 -080069 "Physflat", nr_ioapics);
Linus Torvalds1da177e2005-04-16 15:20:36 -070070}
71
72static inline int multi_timer_check(int apic, int irq)
73{
Ashok Raj1855a2c2006-01-06 00:12:08 -080074 return (0);
Linus Torvalds1da177e2005-04-16 15:20:36 -070075}
76
77static inline int apicid_to_node(int logical_apicid)
78{
Yinghai Luf47f9d52008-06-24 22:13:15 -070079 return apicid_2_node[hard_smp_processor_id()];
Linus Torvalds1da177e2005-04-16 15:20:36 -070080}
81
Linus Torvalds1da177e2005-04-16 15:20:36 -070082static inline int cpu_present_to_apicid(int mps_cpu)
83{
84 if (mps_cpu < NR_CPUS)
Glauber de Oliveira Costacbe879f2008-03-19 14:25:19 -030085 return (int) per_cpu(x86_bios_cpu_apicid, mps_cpu);
Ashok Raj1855a2c2006-01-06 00:12:08 -080086
87 return BAD_APICID;
Linus Torvalds1da177e2005-04-16 15:20:36 -070088}
89
90static inline physid_mask_t apicid_to_cpu_present(int phys_apicid)
91{
92 return physid_mask_of_physid(phys_apicid);
93}
94
95extern u8 cpu_2_logical_apicid[];
96/* Mapping from cpu number to logical apicid */
97static inline int cpu_to_logical_apicid(int cpu)
98{
Ashok Raj1855a2c2006-01-06 00:12:08 -080099 if (cpu >= NR_CPUS)
100 return BAD_APICID;
101 return cpu_physical_id(cpu);
102}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700103
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map)
105{
106 /* For clustered we don't have a good way to do this yet - hack */
Ashok Raj1855a2c2006-01-06 00:12:08 -0800107 return physids_promote(0xFFL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108}
109
Linus Torvalds1da177e2005-04-16 15:20:36 -0700110static inline void setup_portio_remap(void)
111{
112}
113
114static inline void enable_apic_mode(void)
115{
116}
117
118static inline int check_phys_apicid_present(int boot_cpu_physical_apicid)
119{
120 return (1);
121}
122
123/* As we are using single CPU as destination, pick only one CPU here */
124static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
125{
126 int cpu;
127 int apicid;
128
129 cpu = first_cpu(cpumask);
130 apicid = cpu_to_logical_apicid(cpu);
131 return apicid;
132}
133
134static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
135{
136 return cpuid_apic >> index_msb;
137}
138
Yinghai Lu1176fa92008-07-25 02:17:21 -0700139#endif /* __ASM_MACH_APIC_H */