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27 lines
636 B
Diff
27 lines
636 B
Diff
--- /dev/null
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+++ b/backport-include/linux/iommu.h
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@@ -0,0 +1,23 @@
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+#ifndef __BACKPORT_LINUX_IOMMU_H
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+#define __BACKPORT_LINUX_IOMMU_H
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+
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+#include_next <linux/iommu.h>
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+#include <linux/version.h>
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+
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+#if LINUX_VERSION_IS_LESS(6,3,0)
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+
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+static inline int LINUX_BACKPORT(iommu_map)(struct iommu_domain *domain,
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+ unsigned long iova,
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+ phys_addr_t paddr, size_t size,
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+ int prot, gfp_t gfp)
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+{
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+ if (gfp == GFP_ATOMIC)
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+ return iommu_map_atomic(domain, iova, paddr, size, prot);
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+
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+ return iommu_map(domain, iova, paddr, size, prot);
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+}
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+#define iommu_map LINUX_BACKPORT(iommu_map)
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+
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+#endif /* < 6.3 */
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+
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+#endif
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