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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 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
7static inline int apic_id_registered(void)
8{
9 return (1);
10}
11
12static inline cpumask_t target_cpus(void)
13{
14#if defined CONFIG_ES7000_CLUSTERED_APIC
15 return CPU_MASK_ALL;
16#else
17 return cpumask_of_cpu(smp_processor_id());
18#endif
19}
20#define TARGET_CPUS (target_cpus())
21
22#if defined CONFIG_ES7000_CLUSTERED_APIC
23#define APIC_DFR_VALUE (APIC_DFR_CLUSTER)
24#define INT_DELIVERY_MODE (dest_LowestPrio)
25#define INT_DEST_MODE (1) /* logical delivery broadcast to all procs */
26#define NO_BALANCE_IRQ (1)
27#undef WAKE_SECONDARY_VIA_INIT
28#define WAKE_SECONDARY_VIA_MIP
29#else
30#define APIC_DFR_VALUE (APIC_DFR_FLAT)
31#define INT_DELIVERY_MODE (dest_Fixed)
32#define INT_DEST_MODE (0) /* phys delivery to target procs */
33#define NO_BALANCE_IRQ (0)
34#undef APIC_DEST_LOGICAL
35#define APIC_DEST_LOGICAL 0x0
36#define WAKE_SECONDARY_VIA_INIT
37#endif
38
Linus Torvalds1da177e2005-04-16 15:20:36 -070039static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid)
40{
41 return 0;
42}
43static inline unsigned long check_apicid_present(int bit)
44{
45 return physid_isset(bit, phys_cpu_present_map);
46}
47
48#define apicid_cluster(apicid) (apicid & 0xF0)
49
50static inline unsigned long calculate_ldr(int cpu)
51{
52 unsigned long id;
53 id = xapic_phys_to_log_apicid(cpu);
54 return (SET_APIC_LOGICAL_ID(id));
55}
56
57/*
58 * Set up the logical destination ID.
59 *
60 * Intel recommends to set DFR, LdR and TPR before enabling
61 * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel
62 * document number 292116). So here it goes...
63 */
64static inline void init_apic_ldr(void)
65{
66 unsigned long val;
67 int cpu = smp_processor_id();
68
69 apic_write_around(APIC_DFR, APIC_DFR_VALUE);
70 val = calculate_ldr(cpu);
71 apic_write_around(APIC_LDR, val);
72}
73
Vivek Goyal071922c2007-07-06 02:39:55 -070074#ifndef CONFIG_X86_GENERICARCH
75extern void enable_apic_mode(void);
76#endif
77
Linus Torvalds1da177e2005-04-16 15:20:36 -070078extern int apic_version [MAX_APICS];
Ingo Molnar3c43f032007-05-02 19:27:04 +020079static inline void setup_apic_routing(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -070080{
Glauber de Oliveira Costacbe879f2008-03-19 14:25:19 -030081 int apic = per_cpu(x86_bios_cpu_apicid, smp_processor_id());
Linus Torvalds1da177e2005-04-16 15:20:36 -070082 printk("Enabling APIC mode: %s. Using %d I/O APICs, target cpus %lx\n",
83 (apic_version[apic] == 0x14) ?
84 "Physical Cluster" : "Logical Cluster", nr_ioapics, cpus_addr(TARGET_CPUS)[0]);
85}
86
87static inline int multi_timer_check(int apic, int irq)
88{
89 return 0;
90}
91
92static inline int apicid_to_node(int logical_apicid)
93{
94 return 0;
95}
96
97
98static inline int cpu_present_to_apicid(int mps_cpu)
99{
100 if (!mps_cpu)
101 return boot_cpu_physical_apicid;
102 else if (mps_cpu < NR_CPUS)
Glauber de Oliveira Costacbe879f2008-03-19 14:25:19 -0300103 return (int) per_cpu(x86_bios_cpu_apicid, mps_cpu);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104 else
105 return BAD_APICID;
106}
107
108static inline physid_mask_t apicid_to_cpu_present(int phys_apicid)
109{
110 static int id = 0;
111 physid_mask_t mask;
112 mask = physid_mask_of_physid(id);
113 ++id;
114 return mask;
115}
116
117extern u8 cpu_2_logical_apicid[];
118/* Mapping from cpu number to logical apicid */
119static inline int cpu_to_logical_apicid(int cpu)
120{
Andi Kleen874c4fe2006-09-26 10:52:26 +0200121#ifdef CONFIG_SMP
Linus Torvalds1da177e2005-04-16 15:20:36 -0700122 if (cpu >= NR_CPUS)
123 return BAD_APICID;
124 return (int)cpu_2_logical_apicid[cpu];
Andi Kleen874c4fe2006-09-26 10:52:26 +0200125#else
126 return logical_smp_processor_id();
127#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700128}
129
130static inline int mpc_apic_id(struct mpc_config_processor *m, struct mpc_config_translation *unused)
131{
Thomas Gleixner64883ab2008-01-30 13:30:35 +0100132 printk("Processor #%d %u:%u APIC version %d\n",
133 m->mpc_apicid,
134 (m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8,
135 (m->mpc_cpufeature & CPU_MODEL_MASK) >> 4,
136 m->mpc_apicver);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700137 return (m->mpc_apicid);
138}
139
140static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map)
141{
142 /* For clustered we don't have a good way to do this yet - hack */
143 return physids_promote(0xff);
144}
145
146
147static inline void setup_portio_remap(void)
148{
149}
150
151extern unsigned int boot_cpu_physical_apicid;
152static inline int check_phys_apicid_present(int cpu_physical_apicid)
153{
154 boot_cpu_physical_apicid = GET_APIC_ID(apic_read(APIC_ID));
155 return (1);
156}
157
158static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
159{
160 int num_bits_set;
161 int cpus_found = 0;
162 int cpu;
163 int apicid;
164
165 num_bits_set = cpus_weight(cpumask);
166 /* Return id to all */
167 if (num_bits_set == NR_CPUS)
168#if defined CONFIG_ES7000_CLUSTERED_APIC
169 return 0xFF;
170#else
171 return cpu_to_logical_apicid(0);
172#endif
173 /*
174 * The cpus in the mask must all be on the apic cluster. If are not
175 * on the same apicid cluster return default value of TARGET_CPUS.
176 */
177 cpu = first_cpu(cpumask);
178 apicid = cpu_to_logical_apicid(cpu);
179 while (cpus_found < num_bits_set) {
180 if (cpu_isset(cpu, cpumask)) {
181 int new_apicid = cpu_to_logical_apicid(cpu);
182 if (apicid_cluster(apicid) !=
183 apicid_cluster(new_apicid)){
184 printk ("%s: Not a valid mask!\n",__FUNCTION__);
185#if defined CONFIG_ES7000_CLUSTERED_APIC
186 return 0xFF;
187#else
188 return cpu_to_logical_apicid(0);
189#endif
190 }
191 apicid = new_apicid;
192 cpus_found++;
193 }
194 cpu++;
195 }
196 return apicid;
197}
198
199static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
200{
201 return cpuid_apic >> index_msb;
202}
203
204#endif /* __ASM_MACH_APIC_H */