summaryrefslogtreecommitdiff
path: root/include/linux/iommu.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/iommu.h')
-rw-r--r--include/linux/iommu.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index bfecb8b74078..233a6bf093bf 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -117,18 +117,25 @@ enum iommu_attr {
DOMAIN_ATTR_MAX,
};
+/* These are the possible reserved region types */
+#define IOMMU_RESV_DIRECT (1 << 0)
+#define IOMMU_RESV_RESERVED (1 << 1)
+#define IOMMU_RESV_MSI (1 << 2)
+
/**
* struct iommu_resv_region - descriptor for a reserved memory region
* @list: Linked list pointers
* @start: System physical start address of the region
* @length: Length of the region in bytes
* @prot: IOMMU Protection flags (READ/WRITE/...)
+ * @type: Type of the reserved region
*/
struct iommu_resv_region {
struct list_head list;
phys_addr_t start;
size_t length;
int prot;
+ int type;
};
#ifdef CONFIG_IOMMU_API