aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/include/asm/genapic_32.h
blob: 4334502d3664b3f8d2e261cb62085ab50acb605c (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
#ifndef _ASM_X86_GENAPIC_32_H
#define _ASM_X86_GENAPIC_32_H

#include <asm/mpspec.h>
#include <asm/atomic.h>

/*
 * Generic APIC driver interface.
 *
 * An straight forward mapping of the APIC related parts of the
 * x86 subarchitecture interface to a dynamic object.
 *
 * This is used by the "generic" x86 subarchitecture.
 *
 * Copyright 2003 Andi Kleen, SuSE Labs.
 */

struct mpc_bus;
struct mpc_table;
struct mpc_cpu;

struct genapic {
	char *name;
	int (*probe)(void);

	int (*apic_id_registered)(void);
	const struct cpumask *(*target_cpus)(void);
	int int_delivery_mode;
	int int_dest_mode;
	int ESR_DISABLE;
	int apic_destination_logical;
	unsigned long (*check_apicid_used)(physid_mask_t bitmap, int apicid);
	unsigned long (*check_apicid_present)(int apicid);
	int no_balance_irq;
	int no_ioapic_check;
	void (*init_apic_ldr)(void);
	physid_mask_t (*ioapic_phys_id_map)(physid_mask_t map);

	void (*setup_apic_routing)(void);
	int (*multi_timer_check)(int apic, int irq);
	int (*apicid_to_node)(int logical_apicid);
	int (*cpu_to_logical_apicid)(int cpu);
	int (*cpu_present_to_apicid)(int mps_cpu);
	physid_mask_t (*apicid_to_cpu_present)(int phys_apicid);
	void (*setup_portio_remap)(void);
	int (*check_phys_apicid_present)(int boot_cpu_physical_apicid);
	void (*enable_apic_mode)(void);
	u32 (*phys_pkg_id)(u32 cpuid_apic, int index_msb);

	/* mpparse */
	/* When one of the next two hooks returns 1 the genapic
	   is switched to this. Essentially they are additional probe
	   functions. */
	int (*mps_oem_check)(struct mpc_table *mpc, char *oem,
			     char *productid);
	int (*acpi_madt_oem_check)(char *oem_id, char *oem_table_id);

	unsigned (*get_apic_id)(unsigned long x);
	unsigned long apic_id_mask;
	unsigned int (*cpu_mask_to_apicid)(const struct cpumask *cpumask);
	unsigned int (*cpu_mask_to_apicid_and)(const struct cpumask *cpumask,
					       const struct cpumask *andmask);
	void (*vector_allocation_domain)(int cpu, struct cpumask *retmask);

#ifdef CONFIG_SMP
	/* ipi */
	void (*send_IPI_mask)(const struct cpumask *mask, int vector);
	void (*send_IPI_mask_allbutself)(const struct cpumask *mask,
					 int vector);
	void (*send_IPI_allbutself)(int vector);
	void (*send_IPI_all)(int vector);
#endif
	int (*wakeup_cpu)(int apicid, unsigned long start_eip);
	int trampoline_phys_low;
	int trampoline_phys_high;
	void (*wait_for_init_deassert)(atomic_t *deassert);
	void (*smp_callin_clear_local_apic)(void);
	void (*store_NMI_vector)(unsigned short *high, unsigned short *low);
	void (*restore_NMI_vector)(unsigned short *high, unsigned short *low);
	void (*inquire_remote_apic)(int apicid);
};

#define APICFUNC(x) .x = x,

/* More functions could be probably marked IPIFUNC and save some space
   in UP GENERICARCH kernels, but I don't have the nerve right now
   to untangle this mess. -AK  */
#ifdef CONFIG_SMP
#define IPIFUNC(x) APICFUNC(x)
#else
#define IPIFUNC(x)
#endif

#define APIC_INIT(aname, aprobe)			\
{							\
	.name = aname,					\
	.probe = aprobe,				\
	.int_delivery_mode = INT_DELIVERY_MODE,		\
	.int_dest_mode = INT_DEST_MODE,			\
	.no_balance_irq = NO_BALANCE_IRQ,		\
	.ESR_DISABLE = esr_disable,			\
	.apic_destination_logical = APIC_DEST_LOGICAL,	\
	APICFUNC(apic_id_registered)			\
	APICFUNC(target_cpus)				\
	APICFUNC(check_apicid_used)			\
	APICFUNC(check_apicid_present)			\
	APICFUNC(init_apic_ldr)				\
	APICFUNC(ioapic_phys_id_map)			\
	APICFUNC(setup_apic_routing)			\
	APICFUNC(multi_timer_check)			\
	APICFUNC(apicid_to_node)			\
	APICFUNC(cpu_to_logical_apicid)			\
	APICFUNC(cpu_present_to_apicid)			\
	APICFUNC(apicid_to_cpu_present)			\
	APICFUNC(setup_portio_remap)			\
	APICFUNC(check_phys_apicid_present)		\
	APICFUNC(mps_oem_check)				\
	APICFUNC(get_apic_id)				\
	.apic_id_mask = APIC_ID_MASK,			\
	APICFUNC(cpu_mask_to_apicid)			\
	APICFUNC(cpu_mask_to_apicid_and)		\
	APICFUNC(vector_allocation_domain)		\
	APICFUNC(acpi_madt_oem_check)			\
	IPIFUNC(send_IPI_mask)				\
	IPIFUNC(send_IPI_allbutself)			\
	IPIFUNC(send_IPI_all)				\
	APICFUNC(enable_apic_mode)			\
	APICFUNC(phys_pkg_id)				\
	.trampoline_phys_low = TRAMPOLINE_PHYS_LOW,		\
	.trampoline_phys_high = TRAMPOLINE_PHYS_HIGH,		\
	APICFUNC(wait_for_init_deassert)		\
	APICFUNC(smp_callin_clear_local_apic)		\
	APICFUNC(store_NMI_vector)			\
	APICFUNC(restore_NMI_vector)			\
	APICFUNC(inquire_remote_apic)			\
}

extern struct genapic *genapic;
extern void es7000_update_genapic_to_cluster(void);

#endif /* _ASM_X86_GENAPIC_32_H */