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| author | Mark Maule <maule@sgi.com> | 2006-04-10 21:17:48 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-06-21 11:59:58 -0700 |
| commit | fd58e55fcf5568e51da2ed54d7acd049c3fdb184 (patch) | |
| tree | 2cf41864d66b8db39f637549d4652c7664256155 /include/asm-ia64/msi.h | |
| parent | c34b4c734482dda750deb6089521f7c891b48736 (diff) | |
| download | blackbird-op-linux-fd58e55fcf5568e51da2ed54d7acd049c3fdb184.tar.gz blackbird-op-linux-fd58e55fcf5568e51da2ed54d7acd049c3fdb184.zip | |
[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.h | 12 |
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 */ |
