summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/sysdev/mpic.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/sysdev/mpic.h')
-rw-r--r--arch/powerpc/sysdev/mpic.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/mpic.h b/arch/powerpc/sysdev/mpic.h
new file mode 100644
index 00000000000..87cb2aea2fb
--- /dev/null
+++ b/arch/powerpc/sysdev/mpic.h
@@ -0,0 +1,27 @@
+#ifndef _POWERPC_SYSDEV_MPIC_H
+#define _POWERPC_SYSDEV_MPIC_H
+
+/*
+ * Copyright 2006-2007, Michael Ellerman, IBM Corporation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2 of the
+ * License.
+ *
+ */
+
+#ifdef CONFIG_PCI_MSI
+extern void mpic_msi_reserve_hwirq(struct mpic *mpic, irq_hw_number_t hwirq);
+extern int mpic_msi_init_allocator(struct mpic *mpic);
+extern irq_hw_number_t mpic_msi_alloc_hwirqs(struct mpic *mpic, int num);
+extern void mpic_msi_free_hwirqs(struct mpic *mpic, int offset, int num);
+#else
+static inline void mpic_msi_reserve_hwirq(struct mpic *mpic,
+ irq_hw_number_t hwirq)
+{
+ return;
+}
+#endif
+
+#endif /* _POWERPC_SYSDEV_MPIC_H */