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-rw-r--r--drivers/iommu/amd_iommu.c7
-rw-r--r--drivers/iommu/intel-iommu.c7
-rw-r--r--drivers/iommu/pci.h29
3 files changed, 31 insertions, 12 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index b287ca33833d..685f2821333a 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -46,6 +46,7 @@
#include "amd_iommu_proto.h"
#include "amd_iommu_types.h"
#include "irq_remapping.h"
+#include "pci.h"
#define CMD_SET_TYPE(cmd, t) ((cmd)->data[1] |= ((t) << 28))
@@ -263,12 +264,6 @@ static bool check_device(struct device *dev)
return true;
}
-static void swap_pci_ref(struct pci_dev **from, struct pci_dev *to)
-{
- pci_dev_put(*from);
- *from = to;
-}
-
static struct pci_bus *find_hosted_bus(struct pci_bus *bus)
{
while (!bus->self) {
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 0099667a397e..88329fa13634 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -47,6 +47,7 @@
#include <asm/iommu.h>
#include "irq_remapping.h"
+#include "pci.h"
#define ROOT_SIZE VTD_PAGE_SIZE
#define CONTEXT_SIZE VTD_PAGE_SIZE
@@ -4137,12 +4138,6 @@ static int intel_iommu_domain_has_cap(struct iommu_domain *domain,
return 0;
}
-static void swap_pci_ref(struct pci_dev **from, struct pci_dev *to)
-{
- pci_dev_put(*from);
- *from = to;
-}
-
#define REQ_ACS_FLAGS (PCI_ACS_SV | PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF)
static int intel_iommu_add_device(struct device *dev)
diff --git a/drivers/iommu/pci.h b/drivers/iommu/pci.h
new file mode 100644
index 000000000000..352d80ae7443
--- /dev/null
+++ b/drivers/iommu/pci.h
@@ -0,0 +1,29 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Copyright (C) 2013 Red Hat, Inc.
+ * Copyright (C) 2013 Freescale Semiconductor, Inc.
+ *
+ */
+#ifndef __IOMMU_PCI_H
+#define __IOMMU_PCI_H
+
+/* Helper function for swapping pci device reference */
+static inline void swap_pci_ref(struct pci_dev **from, struct pci_dev *to)
+{
+ pci_dev_put(*from);
+ *from = to;
+}
+
+#endif /* __IOMMU_PCI_H */