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authorGrant Likely <grant.likely@secretlab.ca>2011-11-03 23:32:20 -0400
committerGrant Likely <grant.likely@secretlab.ca>2011-11-03 23:32:20 -0400
commit3983138c017b6aeab6ce3dbb1e9afbe80bdac496 (patch)
tree9fdcddfdb8ada91504c90e2551ba6a565ade7325 /arch/hexagon/include/asm/smp.h
parented5f886d16369fed5a69d96b8e85777c47206de1 (diff)
parent02aac316abf436a7529d46a71f7083f9f9ef4b49 (diff)
Merge branch 'for-grant' of git://sources.calxeda.com/kernel/linux into devicetree/merge
Diffstat (limited to 'arch/hexagon/include/asm/smp.h')
-rw-r--r--arch/hexagon/include/asm/smp.h44
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 00000000000..87c869a6a89
--- /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