fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / include / asm-m32r / smp.h
blob078e1a51a042a74a6eeda6c48d3f8882a466f2fc
1 #ifndef _ASM_M32R_SMP_H
2 #define _ASM_M32R_SMP_H
4 #ifdef CONFIG_SMP
5 #ifndef __ASSEMBLY__
7 #include <linux/cpumask.h>
8 #include <linux/spinlock.h>
9 #include <linux/threads.h>
10 #include <asm/m32r.h>
12 #define PHYSID_ARRAY_SIZE 1
14 struct physid_mask
16 unsigned long mask[PHYSID_ARRAY_SIZE];
19 typedef struct physid_mask physid_mask_t;
21 #define physid_set(physid, map) set_bit(physid, (map).mask)
22 #define physid_clear(physid, map) clear_bit(physid, (map).mask)
23 #define physid_isset(physid, map) test_bit(physid, (map).mask)
24 #define physid_test_and_set(physid, map) test_and_set_bit(physid, (map).mask)
26 #define physids_and(dst, src1, src2) bitmap_and((dst).mask, (src1).mask, (src2).mask, MAX_APICS)
27 #define physids_or(dst, src1, src2) bitmap_or((dst).mask, (src1).mask, (src2).mask, MAX_APICS)
28 #define physids_clear(map) bitmap_zero((map).mask, MAX_APICS)
29 #define physids_complement(dst, src) bitmap_complement((dst).mask,(src).mask, MAX_APICS)
30 #define physids_empty(map) bitmap_empty((map).mask, MAX_APICS)
31 #define physids_equal(map1, map2) bitmap_equal((map1).mask, (map2).mask, MAX_APICS)
32 #define physids_weight(map) bitmap_weight((map).mask, MAX_APICS)
33 #define physids_shift_right(d, s, n) bitmap_shift_right((d).mask, (s).mask, n, MAX_APICS)
34 #define physids_shift_left(d, s, n) bitmap_shift_left((d).mask, (s).mask, n, MAX_APICS)
35 #define physids_coerce(map) ((map).mask[0])
37 #define physids_promote(physids) \
38 ({ \
39 physid_mask_t __physid_mask = PHYSID_MASK_NONE; \
40 __physid_mask.mask[0] = physids; \
41 __physid_mask; \
44 #define physid_mask_of_physid(physid) \
45 ({ \
46 physid_mask_t __physid_mask = PHYSID_MASK_NONE; \
47 physid_set(physid, __physid_mask); \
48 __physid_mask; \
51 #define PHYSID_MASK_ALL { {[0 ... PHYSID_ARRAY_SIZE-1] = ~0UL} }
52 #define PHYSID_MASK_NONE { {[0 ... PHYSID_ARRAY_SIZE-1] = 0UL} }
54 extern physid_mask_t phys_cpu_present_map;
57 * Some lowlevel functions might want to know about
58 * the real CPU ID <-> CPU # mapping.
60 extern volatile int cpu_2_physid[NR_CPUS];
61 #define cpu_to_physid(cpu_id) cpu_2_physid[cpu_id]
63 #define raw_smp_processor_id() (current_thread_info()->cpu)
65 extern cpumask_t cpu_callout_map;
66 extern cpumask_t cpu_possible_map;
67 extern cpumask_t cpu_present_map;
69 static __inline__ int hard_smp_processor_id(void)
71 return (int)*(volatile long *)M32R_CPUID_PORTL;
74 static __inline__ int cpu_logical_map(int cpu)
76 return cpu;
79 static __inline__ int cpu_number_map(int cpu)
81 return cpu;
84 static __inline__ unsigned int num_booting_cpus(void)
86 return cpus_weight(cpu_callout_map);
89 extern void smp_send_timer(void);
90 extern unsigned long send_IPI_mask_phys(cpumask_t, int, int);
92 #endif /* not __ASSEMBLY__ */
94 #define NO_PROC_ID (0xff) /* No processor magic marker */
96 #define PROC_CHANGE_PENALTY (15) /* Schedule penalty */
99 * M32R-mp IPI
101 #define RESCHEDULE_IPI (M32R_IRQ_IPI0-M32R_IRQ_IPI0)
102 #define INVALIDATE_TLB_IPI (M32R_IRQ_IPI1-M32R_IRQ_IPI0)
103 #define CALL_FUNCTION_IPI (M32R_IRQ_IPI2-M32R_IRQ_IPI0)
104 #define LOCAL_TIMER_IPI (M32R_IRQ_IPI3-M32R_IRQ_IPI0)
105 #define INVALIDATE_CACHE_IPI (M32R_IRQ_IPI4-M32R_IRQ_IPI0)
106 #define CPU_BOOT_IPI (M32R_IRQ_IPI5-M32R_IRQ_IPI0)
108 #define IPI_SHIFT (0)
109 #define NR_IPIS (8)
111 #else /* CONFIG_SMP */
113 #define hard_smp_processor_id() 0
115 #endif /* CONFIG_SMP */
117 #endif /* _ASM_M32R_SMP_H */