From 43afdf508386342d714f6911c1976f934b520cb0 Mon Sep 17 00:00:00 2001 From: Richard Kuo Date: Mon, 31 Oct 2011 18:46:34 -0500 Subject: Hexagon: Add SMP support Signed-off-by: Richard Kuo Signed-off-by: Linas Vepstas Acked-by: Arnd Bergmann Reviewed-by: Thomas Gleixner Signed-off-by: Linus Torvalds --- arch/hexagon/include/asm/smp.h | 44 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 arch/hexagon/include/asm/smp.h (limited to 'arch/hexagon/include') 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 + +#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 -- cgit v1.1