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authorJoerg Roedel <joerg.roedel@amd.com>2012-03-30 11:47:04 -0700
committerJoerg Roedel <joerg.roedel@amd.com>2012-05-07 14:34:59 +0200
commit9d619f65722236e0e0c35467d1528caed206e439 (patch)
tree6d0a77b7835fc056810a05be5a217e96d9153ff7 /drivers/iommu
parent4c1bad6a0af1e297c8d05365e65af89d8c7bf9d1 (diff)
downloadblackbird-op-linux-9d619f65722236e0e0c35467d1528caed206e439.tar.gz
blackbird-op-linux-9d619f65722236e0e0c35467d1528caed206e439.zip
iommu/vt-d: Convert free_irte into a remap_ops callback
The operation for releasing a remapping entry is iommu specific too. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Acked-by: Yinghai Lu <yinghai@kernel.org> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/intel_intr_remapping.c3
-rw-r--r--drivers/iommu/intr_remapping.c8
-rw-r--r--drivers/iommu/intr_remapping.h3
3 files changed, 13 insertions, 1 deletions
diff --git a/drivers/iommu/intel_intr_remapping.c b/drivers/iommu/intel_intr_remapping.c
index 25372c1f3c8c..44a6e04a070b 100644
--- a/drivers/iommu/intel_intr_remapping.c
+++ b/drivers/iommu/intel_intr_remapping.c
@@ -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,
};
diff --git a/drivers/iommu/intr_remapping.c b/drivers/iommu/intr_remapping.c
index 2f4f27ffb861..a68d304f9729 100644
--- a/drivers/iommu/intr_remapping.c
+++ b/drivers/iommu/intr_remapping.c
@@ -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);
+}
diff --git a/drivers/iommu/intr_remapping.h b/drivers/iommu/intr_remapping.h
index e0bc6e0ba1fb..57485539383d 100644
--- a/drivers/iommu/intr_remapping.h
+++ b/drivers/iommu/intr_remapping.h
@@ -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;
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