Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef __ASM_MACH_IPI_H |
| 2 | #define __ASM_MACH_IPI_H |
| 3 | |
| 4 | void send_IPI_mask_bitmask(cpumask_t mask, int vector); |
| 5 | void __send_IPI_shortcut(unsigned int shortcut, int vector); |
| 6 | |
Ashok Raj | 67664c8 | 2005-06-25 14:54:52 -0700 | [diff] [blame^] | 7 | extern int no_broadcast; |
| 8 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 9 | static inline void send_IPI_mask(cpumask_t mask, int vector) |
| 10 | { |
| 11 | send_IPI_mask_bitmask(mask, vector); |
| 12 | } |
| 13 | |
Ashok Raj | 67664c8 | 2005-06-25 14:54:52 -0700 | [diff] [blame^] | 14 | static inline void __local_send_IPI_allbutself(int vector) |
| 15 | { |
| 16 | if (no_broadcast) { |
| 17 | cpumask_t mask = cpu_online_map; |
| 18 | int this_cpu = get_cpu(); |
| 19 | |
| 20 | cpu_clear(this_cpu, mask); |
| 21 | send_IPI_mask(mask, vector); |
| 22 | put_cpu(); |
| 23 | } else |
| 24 | __send_IPI_shortcut(APIC_DEST_ALLBUT, vector); |
| 25 | } |
| 26 | |
| 27 | static inline void __local_send_IPI_all(int vector) |
| 28 | { |
| 29 | if (no_broadcast) |
| 30 | send_IPI_mask(cpu_online_map, vector); |
| 31 | else |
| 32 | __send_IPI_shortcut(APIC_DEST_ALLINC, vector); |
| 33 | } |
| 34 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | static inline void send_IPI_allbutself(int vector) |
| 36 | { |
| 37 | /* |
| 38 | * if there are no other CPUs in the system then we get an APIC send |
| 39 | * error if we try to broadcast, thus avoid sending IPIs in this case. |
| 40 | */ |
| 41 | if (!(num_online_cpus() > 1)) |
| 42 | return; |
| 43 | |
Ashok Raj | 67664c8 | 2005-06-25 14:54:52 -0700 | [diff] [blame^] | 44 | __local_send_IPI_allbutself(vector); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | return; |
| 46 | } |
| 47 | |
| 48 | static inline void send_IPI_all(int vector) |
| 49 | { |
Ashok Raj | 67664c8 | 2005-06-25 14:54:52 -0700 | [diff] [blame^] | 50 | __local_send_IPI_all(vector); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | } |
| 52 | |
| 53 | #endif /* __ASM_MACH_IPI_H */ |