Add BLKDISCARD ioctl to allow userspace to discard sectors
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / include / asm-x86 / mpspec.h
blobb6995e567fcc64edff23e389bfad9ddeb5647508
1 #ifndef _AM_X86_MPSPEC_H
2 #define _AM_X86_MPSPEC_H
4 #include <linux/init.h>
6 #include <asm/mpspec_def.h>
8 #ifdef CONFIG_X86_32
9 #include <mach_mpspec.h>
11 extern unsigned int def_to_bigsmp;
12 extern int apic_version[MAX_APICS];
13 extern u8 apicid_2_node[];
14 extern int pic_mode;
16 #ifdef CONFIG_X86_NUMAQ
17 extern int mp_bus_id_to_node[MAX_MP_BUSSES];
18 extern int mp_bus_id_to_local[MAX_MP_BUSSES];
19 extern int quad_local_to_mp_bus_id [NR_CPUS/4][4];
20 #endif
22 #define MAX_APICID 256
24 #else
26 #define MAX_MP_BUSSES 256
27 /* Each PCI slot may be a combo card with its own bus. 4 IRQ pins per slot. */
28 #define MAX_IRQ_SOURCES (MAX_MP_BUSSES * 4)
30 #endif
32 extern void early_find_smp_config(void);
33 extern void early_get_smp_config(void);
35 #if defined(CONFIG_MCA) || defined(CONFIG_EISA)
36 extern int mp_bus_id_to_type[MAX_MP_BUSSES];
37 #endif
39 extern DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
41 extern unsigned int boot_cpu_physical_apicid;
42 extern unsigned int max_physical_apicid;
43 extern int smp_found_config;
44 extern int mpc_default_type;
45 extern unsigned long mp_lapic_addr;
47 extern void find_smp_config(void);
48 extern void get_smp_config(void);
49 #ifdef CONFIG_X86_MPPARSE
50 extern void early_reserve_e820_mpc_new(void);
51 #else
52 static inline void early_reserve_e820_mpc_new(void) { }
53 #endif
55 void __cpuinit generic_processor_info(int apicid, int version);
56 #ifdef CONFIG_ACPI
57 extern void mp_register_ioapic(int id, u32 address, u32 gsi_base);
58 extern void mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger,
59 u32 gsi);
60 extern void mp_config_acpi_legacy_irqs(void);
61 extern int mp_register_gsi(u32 gsi, int edge_level, int active_high_low);
62 #ifdef CONFIG_X86_IO_APIC
63 extern int mp_config_acpi_gsi(unsigned char number, unsigned int devfn, u8 pin,
64 u32 gsi, int triggering, int polarity);
65 #else
66 static inline int
67 mp_config_acpi_gsi(unsigned char number, unsigned int devfn, u8 pin,
68 u32 gsi, int triggering, int polarity)
70 return 0;
72 #endif
73 #endif /* CONFIG_ACPI */
75 #define PHYSID_ARRAY_SIZE BITS_TO_LONGS(MAX_APICS)
77 struct physid_mask {
78 unsigned long mask[PHYSID_ARRAY_SIZE];
81 typedef struct physid_mask physid_mask_t;
83 #define physid_set(physid, map) set_bit(physid, (map).mask)
84 #define physid_clear(physid, map) clear_bit(physid, (map).mask)
85 #define physid_isset(physid, map) test_bit(physid, (map).mask)
86 #define physid_test_and_set(physid, map) \
87 test_and_set_bit(physid, (map).mask)
89 #define physids_and(dst, src1, src2) \
90 bitmap_and((dst).mask, (src1).mask, (src2).mask, MAX_APICS)
92 #define physids_or(dst, src1, src2) \
93 bitmap_or((dst).mask, (src1).mask, (src2).mask, MAX_APICS)
95 #define physids_clear(map) \
96 bitmap_zero((map).mask, MAX_APICS)
98 #define physids_complement(dst, src) \
99 bitmap_complement((dst).mask, (src).mask, MAX_APICS)
101 #define physids_empty(map) \
102 bitmap_empty((map).mask, MAX_APICS)
104 #define physids_equal(map1, map2) \
105 bitmap_equal((map1).mask, (map2).mask, MAX_APICS)
107 #define physids_weight(map) \
108 bitmap_weight((map).mask, MAX_APICS)
110 #define physids_shift_right(d, s, n) \
111 bitmap_shift_right((d).mask, (s).mask, n, MAX_APICS)
113 #define physids_shift_left(d, s, n) \
114 bitmap_shift_left((d).mask, (s).mask, n, MAX_APICS)
116 #define physids_coerce(map) ((map).mask[0])
118 #define physids_promote(physids) \
119 ({ \
120 physid_mask_t __physid_mask = PHYSID_MASK_NONE; \
121 __physid_mask.mask[0] = physids; \
122 __physid_mask; \
125 /* Note: will create very large stack frames if physid_mask_t is big */
126 #define physid_mask_of_physid(physid) \
127 ({ \
128 physid_mask_t __physid_mask = PHYSID_MASK_NONE; \
129 physid_set(physid, __physid_mask); \
130 __physid_mask; \
133 static inline void physid_set_mask_of_physid(int physid, physid_mask_t *map)
135 physids_clear(*map);
136 physid_set(physid, *map);
139 #define PHYSID_MASK_ALL { {[0 ... PHYSID_ARRAY_SIZE-1] = ~0UL} }
140 #define PHYSID_MASK_NONE { {[0 ... PHYSID_ARRAY_SIZE-1] = 0UL} }
142 extern physid_mask_t phys_cpu_present_map;
144 #endif