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| author |   Joerg Roedel <joro@8bytes.org> | 2012-09-26 12:44:50 +0200 |
|---|---|---|
| committer | Joerg Roedel <joro@8bytes.org> | 2013-01-28 12:51:52 +0100 |
| commit | da165322dfb6cbc50042b1051f07b837a26f3bb8 (patch) | |
| tree | 141443ee5f9bff4ba3bcf290944bcab7487f5934 /drivers/iommu/irq_remapping.c | |
| parent | x86, msi: Introduce x86_msi.compose_msi_msg call-back (diff) | |
| download | linux-dev-da165322dfb6cbc50042b1051f07b837a26f3bb8.tar.xz linux-dev-da165322dfb6cbc50042b1051f07b837a26f3bb8.zip | |
x86, io_apic: Introduce eoi_ioapic_pin call-back
This callback replaces the old __eoi_ioapic_pin function
which needs a special path for interrupt remapping.
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>
Diffstat (limited to 'drivers/iommu/irq_remapping.c')
| -rw-r--r-- | drivers/iommu/irq_remapping.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c index 158091b345cb..849ce4ce500b 100644 --- a/drivers/iommu/irq_remapping.c +++ b/drivers/iommu/irq_remapping.c @@ -143,11 +143,23 @@ static int irq_remapping_setup_msi_irqs(struct pci_dev *dev, return do_setup_msix_irqs(dev, nvec); } +void eoi_ioapic_pin_remapped(int apic, int pin, int vector) +{ + /* + * Intr-remapping uses pin number as the virtual vector + * in the RTE. Actual vector is programmed in + * intr-remapping table entry. Hence for the io-apic + * EOI we use the pin number. + */ + io_apic_eoi(apic, pin); +} + static void __init irq_remapping_modify_x86_ops(void) { x86_io_apic_ops.disable = irq_remapping_disable_io_apic; x86_io_apic_ops.set_affinity = set_remapped_irq_affinity; x86_io_apic_ops.setup_entry = setup_ioapic_remapped_entry; + x86_io_apic_ops.eoi_ioapic_pin = eoi_ioapic_pin_remapped; x86_msi.setup_msi_irqs = irq_remapping_setup_msi_irqs; x86_msi.setup_hpet_msi = setup_hpet_msi_remapped; x86_msi.compose_msi_msg = compose_remapped_msi_msg; |