diff options
author | Richard Kuo <rkuo@codeaurora.org> | 2011-10-31 23:46:34 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-01 14:34:20 (GMT) |
commit | 43afdf508386342d714f6911c1976f934b520cb0 (patch) | |
tree | de4acc7cca0990d28be24fa4f6779ef4e31945e5 /arch/hexagon/include/asm | |
parent | cf9750bae262dba73a6abaecd2ec3731ba7aef9c (diff) | |
download | linux-43afdf508386342d714f6911c1976f934b520cb0.tar.xz |
Hexagon: Add SMP support
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/hexagon/include/asm')
-rw-r--r-- | arch/hexagon/include/asm/smp.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/hexagon/include/asm/smp.h b/arch/hexagon/include/asm/smp.h new file mode 100644 index 0000000..87c869a --- /dev/null +++ b/arch/hexagon/include/asm/smp.h @@ -0,0 +1,44 @@ +/* + * SMP definitions for the Hexagon architecture + * + * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#ifndef __ASM_SMP_H +#define __ASM_SMP_H + +#include <linux/cpumask.h> + +#define raw_smp_processor_id() (current_thread_info()->cpu) + +enum ipi_message_type { + IPI_NOP = 0, + IPI_RESCHEDULE = 1, + IPI_CALL_FUNC, + IPI_CALL_FUNC_SINGLE, + IPI_CPU_STOP, + IPI_TIMER, +}; + +extern void send_ipi(const struct cpumask *cpumask, enum ipi_message_type msg); +extern void smp_start_cpus(void); +extern void arch_send_call_function_single_ipi(int cpu); +extern void arch_send_call_function_ipi_mask(const struct cpumask *mask); + +extern void smp_vm_unmask_irq(void *info); + +#endif |