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| author | Joerg Roedel <joerg.roedel@amd.com> | 2008-09-11 16:51:41 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-09-19 12:59:15 +0200 |
| commit | a80dc3e0e0dc8393158de317d66ae0f345dc58f9 (patch) | |
| tree | d7e18a5d25a6dc1101fe699966a9b59b9b88a2f2 /arch/x86/kernel/amd_iommu.c | |
| parent | 3eaf28a1cd2686aaa185b54d5a5e18e91b41f7f2 (diff) | |
| download | lwn-a80dc3e0e0dc8393158de317d66ae0f345dc58f9.tar.gz lwn-a80dc3e0e0dc8393158de317d66ae0f345dc58f9.zip | |
AMD IOMMU: add MSI interrupt support
The AMD IOMMU can generate interrupts for various reasons. This patch
adds the basic interrupt enabling infrastructure to the driver.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/amd_iommu.c')
| -rw-r--r-- | arch/x86/kernel/amd_iommu.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 15792ed082e0..0e494b9d5f20 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -51,6 +51,17 @@ static int iommu_has_npcache(struct amd_iommu *iommu) /**************************************************************************** * + * Interrupt handling functions + * + ****************************************************************************/ + +irqreturn_t amd_iommu_int_handler(int irq, void *data) +{ + return IRQ_NONE; +} + +/**************************************************************************** + * * IOMMU command queuing functions * ****************************************************************************/ |