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iommu/vt-d: Convert free_irte into a remap_ops callback

Browse source 
The operation for releasing a remapping entry is iommu
specific too.

Signed-off-by: Joerg Roedel <[email protected]>
Acked-by: Yinghai Lu <[email protected]>
Cc: David Woodhouse <[email protected]>
Cc: Alex Williamson <[email protected]>
Signed-off-by: Suresh Siddha <[email protected]>
Signed-off-by: Joerg Roedel <[email protected]>
This commit is contained in:
Joerg Roedel 2012-03-30 11:47:04 -07:00
commit 9d619f6572
6 changed files with 16 additions and 7 deletions
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3
drivers/iommu/intel_intr_remapping.c
View file

@ -253,7 +253,7 @@ static int clear_entries(struct irq_2_iommu *irq_iommu)
return qi_flush_iec(iommu, index, irq_iommu->irte_mask);
}
int free_irte(int irq)
static int free_irte(int irq)
{
struct irq_2_iommu *irq_iommu = irq_2_iommu(irq);
unsigned long flags;
@ -964,4 +964,5 @@ struct irq_remap_ops intel_irq_remap_ops = {
.enable_faulting = enable_drhd_fault_handling,
.setup_ioapic_entry = intel_setup_ioapic_entry,
.set_affinity = intel_ioapic_set_affinity,
.free_irq = free_irte,
};

8
drivers/iommu/intr_remapping.c
View file

@ -119,3 +119,11 @@ int intr_set_affinity(struct irq_data *data, const struct cpumask *mask,
return remap_ops->set_affinity(data, mask, force);
}
void intr_free_irq(int irq)
{
if (!remap_ops || !remap_ops->free_irq)
return;
remap_ops->free_irq(irq);
}

3
drivers/iommu/intr_remapping.h
View file

@ -60,6 +60,9 @@ struct irq_remap_ops {
/* Set the CPU affinity of a remapped interrupt */
int (*set_affinity)(struct irq_data *data, const struct cpumask *mask,
bool force);
/* Free an IRQ */
int (*free_irq)(int);
};
extern struct irq_remap_ops intel_irq_remap_ops;