diff options
author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
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committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /include/asm-i386/mach-bigsmp/mach_apic.h |
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'include/asm-i386/mach-bigsmp/mach_apic.h')
-rw-r--r-- | include/asm-i386/mach-bigsmp/mach_apic.h | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/include/asm-i386/mach-bigsmp/mach_apic.h b/include/asm-i386/mach-bigsmp/mach_apic.h new file mode 100644 index 000000000000..2339868270ef --- /dev/null +++ b/include/asm-i386/mach-bigsmp/mach_apic.h | |||
@@ -0,0 +1,167 @@ | |||
1 | #ifndef __ASM_MACH_APIC_H | ||
2 | #define __ASM_MACH_APIC_H | ||
3 | #include <asm/smp.h> | ||
4 | |||
5 | #define SEQUENTIAL_APICID | ||
6 | #ifdef SEQUENTIAL_APICID | ||
7 | #define xapic_phys_to_log_apicid(phys_apic) ( (1ul << ((phys_apic) & 0x3)) |\ | ||
8 | ((phys_apic<<2) & (~0xf)) ) | ||
9 | #elif CLUSTERED_APICID | ||
10 | #define xapic_phys_to_log_apicid(phys_apic) ( (1ul << ((phys_apic) & 0x3)) |\ | ||
11 | ((phys_apic) & (~0xf)) ) | ||
12 | #endif | ||
13 | |||
14 | #define NO_BALANCE_IRQ (1) | ||
15 | #define esr_disable (1) | ||
16 | |||
17 | #define NO_IOAPIC_CHECK (0) | ||
18 | |||
19 | static inline int apic_id_registered(void) | ||
20 | { | ||
21 | return (1); | ||
22 | } | ||
23 | |||
24 | #define APIC_DFR_VALUE (APIC_DFR_CLUSTER) | ||
25 | /* Round robin the irqs amoung the online cpus */ | ||
26 | static inline cpumask_t target_cpus(void) | ||
27 | { | ||
28 | static unsigned long cpu = NR_CPUS; | ||
29 | do { | ||
30 | if (cpu >= NR_CPUS) | ||
31 | cpu = first_cpu(cpu_online_map); | ||
32 | else | ||
33 | cpu = next_cpu(cpu, cpu_online_map); | ||
34 | } while (cpu >= NR_CPUS); | ||
35 | return cpumask_of_cpu(cpu); | ||
36 | } | ||
37 | #define TARGET_CPUS (target_cpus()) | ||
38 | |||
39 | #define INT_DELIVERY_MODE dest_Fixed | ||
40 | #define INT_DEST_MODE 1 /* logical delivery broadcast to all procs */ | ||
41 | |||
42 | static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid) | ||
43 | { | ||
44 | return 0; | ||
45 | } | ||
46 | |||
47 | /* we don't use the phys_cpu_present_map to indicate apicid presence */ | ||
48 | static inline unsigned long check_apicid_present(int bit) | ||
49 | { | ||
50 | return 1; | ||
51 | } | ||
52 | |||
53 | #define apicid_cluster(apicid) (apicid & 0xF0) | ||
54 | |||
55 | static inline unsigned long calculate_ldr(unsigned long old) | ||
56 | { | ||
57 | unsigned long id; | ||
58 | id = xapic_phys_to_log_apicid(hard_smp_processor_id()); | ||
59 | return ((old & ~APIC_LDR_MASK) | SET_APIC_LOGICAL_ID(id)); | ||
60 | } | ||
61 | |||
62 | /* | ||
63 | * Set up the logical destination ID. | ||
64 | * | ||
65 | * Intel recommends to set DFR, LDR and TPR before enabling | ||
66 | * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel | ||
67 | * document number 292116). So here it goes... | ||
68 | */ | ||
69 | static inline void init_apic_ldr(void) | ||
70 | { | ||
71 | unsigned long val; | ||
72 | |||
73 | apic_write_around(APIC_DFR, APIC_DFR_VALUE); | ||
74 | val = apic_read(APIC_LDR) & ~APIC_LDR_MASK; | ||
75 | val = calculate_ldr(val); | ||
76 | apic_write_around(APIC_LDR, val); | ||
77 | } | ||
78 | |||
79 | static inline void clustered_apic_check(void) | ||
80 | { | ||
81 | printk("Enabling APIC mode: %s. Using %d I/O APICs\n", | ||
82 | "Cluster", nr_ioapics); | ||
83 | } | ||
84 | |||
85 | static inline int multi_timer_check(int apic, int irq) | ||
86 | { | ||
87 | return 0; | ||
88 | } | ||
89 | |||
90 | static inline int apicid_to_node(int logical_apicid) | ||
91 | { | ||
92 | return 0; | ||
93 | } | ||
94 | |||
95 | extern u8 bios_cpu_apicid[]; | ||
96 | |||
97 | static inline int cpu_present_to_apicid(int mps_cpu) | ||
98 | { | ||
99 | if (mps_cpu < NR_CPUS) | ||
100 | return (int)bios_cpu_apicid[mps_cpu]; | ||
101 | else | ||
102 | return BAD_APICID; | ||
103 | } | ||
104 | |||
105 | static inline physid_mask_t apicid_to_cpu_present(int phys_apicid) | ||
106 | { | ||
107 | return physid_mask_of_physid(phys_apicid); | ||
108 | } | ||
109 | |||
110 | extern u8 cpu_2_logical_apicid[]; | ||
111 | /* Mapping from cpu number to logical apicid */ | ||
112 | static inline int cpu_to_logical_apicid(int cpu) | ||
113 | { | ||
114 | if (cpu >= NR_CPUS) | ||
115 | return BAD_APICID; | ||
116 | return (int)cpu_2_logical_apicid[cpu]; | ||
117 | } | ||
118 | |||
119 | static inline int mpc_apic_id(struct mpc_config_processor *m, | ||
120 | struct mpc_config_translation *translation_record) | ||
121 | { | ||
122 | printk("Processor #%d %ld:%ld APIC version %d\n", | ||
123 | m->mpc_apicid, | ||
124 | (m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8, | ||
125 | (m->mpc_cpufeature & CPU_MODEL_MASK) >> 4, | ||
126 | m->mpc_apicver); | ||
127 | return m->mpc_apicid; | ||
128 | } | ||
129 | |||
130 | static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map) | ||
131 | { | ||
132 | /* For clustered we don't have a good way to do this yet - hack */ | ||
133 | return physids_promote(0xFUL); | ||
134 | } | ||
135 | |||
136 | #define WAKE_SECONDARY_VIA_INIT | ||
137 | |||
138 | static inline void setup_portio_remap(void) | ||
139 | { | ||
140 | } | ||
141 | |||
142 | static inline void enable_apic_mode(void) | ||
143 | { | ||
144 | } | ||
145 | |||
146 | static inline int check_phys_apicid_present(int boot_cpu_physical_apicid) | ||
147 | { | ||
148 | return (1); | ||
149 | } | ||
150 | |||
151 | /* As we are using single CPU as destination, pick only one CPU here */ | ||
152 | static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask) | ||
153 | { | ||
154 | int cpu; | ||
155 | int apicid; | ||
156 | |||
157 | cpu = first_cpu(cpumask); | ||
158 | apicid = cpu_to_logical_apicid(cpu); | ||
159 | return apicid; | ||
160 | } | ||
161 | |||
162 | static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) | ||
163 | { | ||
164 | return cpuid_apic >> index_msb; | ||
165 | } | ||
166 | |||
167 | #endif /* __ASM_MACH_APIC_H */ | ||