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authorMark Maule <maule@sgi.com>2006-04-11 06:17:48 +0400
committerGreg Kroah-Hartman <gregkh@suse.de>2006-06-21 22:59:58 +0400
commitfd58e55fcf5568e51da2ed54d7acd049c3fdb184 (patch)
tree2cf41864d66b8db39f637549d4652c7664256155 /include/asm-ia64/msi.h
parentc34b4c734482dda750deb6089521f7c891b48736 (diff)
downloadlinux-fd58e55fcf5568e51da2ed54d7acd049c3fdb184.tar.xz
[PATCH] PCI: msi abstractions and support for altix
Abstract portions of the MSI core for platforms that do not use standard APIC interrupt controllers. This is implemented through a new arch-specific msi setup routine, and a set of msi ops which can be set on a per platform basis. Signed-off-by: Mark Maule <maule@sgi.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include/asm-ia64/msi.h')
-rw-r--r--include/asm-ia64/msi.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/asm-ia64/msi.h b/include/asm-ia64/msi.h
index 97890f7762b3..bb92b0dbde2f 100644
--- a/include/asm-ia64/msi.h
+++ b/include/asm-ia64/msi.h
@@ -14,4 +14,16 @@ static inline void set_intr_gate (int nr, void *func) {}
#define ack_APIC_irq ia64_eoi
#define MSI_TARGET_CPU_SHIFT 4
+extern struct msi_ops msi_apic_ops;
+
+static inline int msi_arch_init(void)
+{
+ if (platform_msi_init)
+ return platform_msi_init();
+
+ /* default ops for most ia64 platforms */
+ msi_register(&msi_apic_ops);
+ return 0;
+}
+
#endif /* ASM_MSI_H */