tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef _ASM_X86_MPSPEC_H
2#define _ASM_X86_MPSPEC_H
3
4
5#include <asm/mpspec_def.h>
6#include <asm/x86_init.h>
7#include <asm/apicdef.h>
8
9extern int apic_version[];
10extern int pic_mode;
11
12#ifdef CONFIG_X86_32
13
14/*
15 * Summit or generic (i.e. installer) kernels need lots of bus entries.
16 * Maximum 256 PCI busses, plus 1 ISA bus in each of 4 cabinets.
17 */
18#if CONFIG_BASE_SMALL == 0
19# define MAX_MP_BUSSES 260
20#else
21# define MAX_MP_BUSSES 32
22#endif
23
24#define MAX_IRQ_SOURCES 256
25
26extern unsigned int def_to_bigsmp;
27
28#else /* CONFIG_X86_64: */
29
30#define MAX_MP_BUSSES 256
31/* Each PCI slot may be a combo card with its own bus. 4 IRQ pins per slot. */
32#define MAX_IRQ_SOURCES (MAX_MP_BUSSES * 4)
33
34#endif /* CONFIG_X86_64 */
35
36#ifdef CONFIG_EISA
37extern int mp_bus_id_to_type[MAX_MP_BUSSES];
38#endif
39
40extern DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
41
42extern unsigned int boot_cpu_physical_apicid;
43extern unsigned int max_physical_apicid;
44extern int mpc_default_type;
45extern unsigned long mp_lapic_addr;
46
47#ifdef CONFIG_X86_LOCAL_APIC
48extern int smp_found_config;
49#else
50# define smp_found_config 0
51#endif
52
53static inline void get_smp_config(void)
54{
55 x86_init.mpparse.get_smp_config(0);
56}
57
58static inline void early_get_smp_config(void)
59{
60 x86_init.mpparse.get_smp_config(1);
61}
62
63static inline void find_smp_config(void)
64{
65 x86_init.mpparse.find_smp_config();
66}
67
68#ifdef CONFIG_X86_MPPARSE
69extern void early_reserve_e820_mpc_new(void);
70extern int enable_update_mptable;
71extern int default_mpc_apic_id(struct mpc_cpu *m);
72extern void default_smp_read_mpc_oem(struct mpc_table *mpc);
73# ifdef CONFIG_X86_IO_APIC
74extern void default_mpc_oem_bus_info(struct mpc_bus *m, char *str);
75# else
76# define default_mpc_oem_bus_info NULL
77# endif
78extern void default_find_smp_config(void);
79extern void default_get_smp_config(unsigned int early);
80#else
81static inline void early_reserve_e820_mpc_new(void) { }
82#define enable_update_mptable 0
83#define default_mpc_apic_id NULL
84#define default_smp_read_mpc_oem NULL
85#define default_mpc_oem_bus_info NULL
86#define default_find_smp_config x86_init_noop
87#define default_get_smp_config x86_init_uint_noop
88#endif
89
90int generic_processor_info(int apicid, int version);
91#ifdef CONFIG_ACPI
92extern void mp_register_ioapic(int id, u32 address, u32 gsi_base);
93extern void mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger,
94 u32 gsi);
95extern void mp_config_acpi_legacy_irqs(void);
96struct device;
97extern int mp_register_gsi(struct device *dev, u32 gsi, int edge_level,
98 int active_high_low);
99#endif /* CONFIG_ACPI */
100
101#define PHYSID_ARRAY_SIZE BITS_TO_LONGS(MAX_LOCAL_APIC)
102
103struct physid_mask {
104 unsigned long mask[PHYSID_ARRAY_SIZE];
105};
106
107typedef struct physid_mask physid_mask_t;
108
109#define physid_set(physid, map) set_bit(physid, (map).mask)
110#define physid_clear(physid, map) clear_bit(physid, (map).mask)
111#define physid_isset(physid, map) test_bit(physid, (map).mask)
112#define physid_test_and_set(physid, map) \
113 test_and_set_bit(physid, (map).mask)
114
115#define physids_and(dst, src1, src2) \
116 bitmap_and((dst).mask, (src1).mask, (src2).mask, MAX_LOCAL_APIC)
117
118#define physids_or(dst, src1, src2) \
119 bitmap_or((dst).mask, (src1).mask, (src2).mask, MAX_LOCAL_APIC)
120
121#define physids_clear(map) \
122 bitmap_zero((map).mask, MAX_LOCAL_APIC)
123
124#define physids_complement(dst, src) \
125 bitmap_complement((dst).mask, (src).mask, MAX_LOCAL_APIC)
126
127#define physids_empty(map) \
128 bitmap_empty((map).mask, MAX_LOCAL_APIC)
129
130#define physids_equal(map1, map2) \
131 bitmap_equal((map1).mask, (map2).mask, MAX_LOCAL_APIC)
132
133#define physids_weight(map) \
134 bitmap_weight((map).mask, MAX_LOCAL_APIC)
135
136#define physids_shift_right(d, s, n) \
137 bitmap_shift_right((d).mask, (s).mask, n, MAX_LOCAL_APIC)
138
139#define physids_shift_left(d, s, n) \
140 bitmap_shift_left((d).mask, (s).mask, n, MAX_LOCAL_APIC)
141
142static inline unsigned long physids_coerce(physid_mask_t *map)
143{
144 return map->mask[0];
145}
146
147static inline void physids_promote(unsigned long physids, physid_mask_t *map)
148{
149 physids_clear(*map);
150 map->mask[0] = physids;
151}
152
153static inline void physid_set_mask_of_physid(int physid, physid_mask_t *map)
154{
155 physids_clear(*map);
156 physid_set(physid, *map);
157}
158
159#define PHYSID_MASK_ALL { {[0 ... PHYSID_ARRAY_SIZE-1] = ~0UL} }
160#define PHYSID_MASK_NONE { {[0 ... PHYSID_ARRAY_SIZE-1] = 0UL} }
161
162extern physid_mask_t phys_cpu_present_map;
163
164extern int generic_mps_oem_check(struct mpc_table *, char *, char *);
165
166extern int default_acpi_madt_oem_check(char *, char *);
167
168#endif /* _ASM_X86_MPSPEC_H */