Commit | Line | Data |
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1176fa91 YL |
1 | #ifndef __ASM_MACH_APIC_H |
2 | #define __ASM_MACH_APIC_H | |
1855a2c4 | 3 | |
cbe879fc | 4 | #define xapic_phys_to_log_apicid(cpu) (per_cpu(x86_bios_cpu_apicid, cpu)) |
1da177e4 LT |
5 | #define esr_disable (1) |
6 | ||
1da177e4 LT |
7 | static inline int apic_id_registered(void) |
8 | { | |
9 | return (1); | |
10 | } | |
11 | ||
1da177e4 | 12 | static inline cpumask_t target_cpus(void) |
1176fa91 | 13 | { |
497c9a19 YL |
14 | #ifdef CONFIG_SMP |
15 | return cpu_online_map; | |
16 | #else | |
17 | return cpumask_of_cpu(0); | |
18 | #endif | |
1da177e4 | 19 | } |
1da177e4 | 20 | |
1855a2c4 | 21 | #undef APIC_DEST_LOGICAL |
1176fa91 | 22 | #define APIC_DEST_LOGICAL 0 |
1855a2c4 AR |
23 | #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) | |
1da177e4 LT |
27 | |
28 | static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid) | |
29 | { | |
1855a2c4 | 30 | return (0); |
1da177e4 LT |
31 | } |
32 | ||
1855a2c4 | 33 | static inline unsigned long check_apicid_present(int bit) |
1da177e4 | 34 | { |
1855a2c4 | 35 | return (1); |
1da177e4 LT |
36 | } |
37 | ||
1855a2c4 | 38 | static inline unsigned long calculate_ldr(int cpu) |
1da177e4 | 39 | { |
1855a2c4 AR |
40 | unsigned long val, id; |
41 | val = apic_read(APIC_LDR) & ~APIC_LDR_MASK; | |
42 | id = xapic_phys_to_log_apicid(cpu); | |
43 | val |= SET_APIC_LOGICAL_ID(id); | |
44 | return val; | |
1da177e4 LT |
45 | } |
46 | ||
47 | /* | |
48 | * Set up the logical destination ID. | |
49 | * | |
50 | * Intel recommends to set DFR, LDR and TPR before enabling | |
51 | * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel | |
52 | * document number 292116). So here it goes... | |
53 | */ | |
54 | static inline void init_apic_ldr(void) | |
55 | { | |
56 | unsigned long val; | |
1855a2c4 | 57 | int cpu = smp_processor_id(); |
1da177e4 | 58 | |
593f4a78 | 59 | apic_write(APIC_DFR, APIC_DFR_VALUE); |
1855a2c4 | 60 | val = calculate_ldr(cpu); |
593f4a78 | 61 | apic_write(APIC_LDR, val); |
1da177e4 LT |
62 | } |
63 | ||
3c43f039 | 64 | static inline void setup_apic_routing(void) |
1da177e4 LT |
65 | { |
66 | printk("Enabling APIC mode: %s. Using %d I/O APICs\n", | |
1855a2c4 | 67 | "Physflat", nr_ioapics); |
1da177e4 LT |
68 | } |
69 | ||
70 | static inline int multi_timer_check(int apic, int irq) | |
71 | { | |
1855a2c4 | 72 | return (0); |
1da177e4 LT |
73 | } |
74 | ||
75 | static inline int apicid_to_node(int logical_apicid) | |
76 | { | |
f47f9d53 | 77 | return apicid_2_node[hard_smp_processor_id()]; |
1da177e4 LT |
78 | } |
79 | ||
1da177e4 LT |
80 | static inline int cpu_present_to_apicid(int mps_cpu) |
81 | { | |
82 | if (mps_cpu < NR_CPUS) | |
cbe879fc | 83 | return (int) per_cpu(x86_bios_cpu_apicid, mps_cpu); |
1855a2c4 AR |
84 | |
85 | return BAD_APICID; | |
1da177e4 LT |
86 | } |
87 | ||
88 | static inline physid_mask_t apicid_to_cpu_present(int phys_apicid) | |
89 | { | |
90 | return physid_mask_of_physid(phys_apicid); | |
91 | } | |
92 | ||
93 | extern u8 cpu_2_logical_apicid[]; | |
94 | /* Mapping from cpu number to logical apicid */ | |
95 | static inline int cpu_to_logical_apicid(int cpu) | |
96 | { | |
1855a2c4 AR |
97 | if (cpu >= NR_CPUS) |
98 | return BAD_APICID; | |
99 | return cpu_physical_id(cpu); | |
100 | } | |
1da177e4 | 101 | |
1da177e4 LT |
102 | static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map) |
103 | { | |
104 | /* For clustered we don't have a good way to do this yet - hack */ | |
1855a2c4 | 105 | return physids_promote(0xFFL); |
1da177e4 LT |
106 | } |
107 | ||
1da177e4 LT |
108 | static inline void setup_portio_remap(void) |
109 | { | |
110 | } | |
111 | ||
112 | static inline void enable_apic_mode(void) | |
113 | { | |
114 | } | |
115 | ||
116 | static inline int check_phys_apicid_present(int boot_cpu_physical_apicid) | |
117 | { | |
118 | return (1); | |
119 | } | |
120 | ||
121 | /* As we are using single CPU as destination, pick only one CPU here */ | |
122 | static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask) | |
123 | { | |
124 | int cpu; | |
125 | int apicid; | |
126 | ||
127 | cpu = first_cpu(cpumask); | |
128 | apicid = cpu_to_logical_apicid(cpu); | |
129 | return apicid; | |
130 | } | |
131 | ||
132 | static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) | |
133 | { | |
134 | return cpuid_apic >> index_msb; | |
135 | } | |
136 | ||
1176fa91 | 137 | #endif /* __ASM_MACH_APIC_H */ |