x86, msi: Introduce x86_msi.compose_msi_msg call-back

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This call-back points to the right function for initializing
the msi_msg structure. The old code for msi_msg generation
was split up into the irq-remapped and the default case.

The irq-remapped case just calls into the specific Intel or
AMD implementation when the device is behind an IOMMU.
Otherwise the default function is called.

Signed-off-by: Joerg Roedel <joro@8bytes.org>
Acked-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

...

This commit is contained in:

Joerg Roedel 2012-09-26 12:44:49 +02:00

parent 2976fd8417

commit 7601384f91

5 changed files with 45 additions and 30 deletions

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4

arch/x86/include/asm/io_apic.h

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4

arch/x86/include/asm/x86_init.h

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59

arch/x86/kernel/apic/io_apic.c

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1

arch/x86/kernel/x86_init.c

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9

drivers/iommu/irq_remapping.c

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