VT-d: adapt domain init and destroy functions for IOMMU API

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

1 files changed, 18 insertions, 15 deletions

diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 772fb22e1be0..5c95a5a65440 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -34,6 +34,7 @@
 #include <linux/mempool.h>
 #include <linux/timer.h>
 #include <linux/iova.h>
+#include <linux/iommu.h>
 #include <linux/intel-iommu.h>
 #include <asm/cacheflush.h>
 #include <asm/iommu.h>
@@ -2962,32 +2963,34 @@ static void vm_domain_exit(struct dmar_domain *domain)
         free_domain_mem(domain);
 }
 
-struct dmar_domain *intel_iommu_alloc_domain(void)
+static int intel_iommu_domain_init(struct iommu_domain *domain)
 {
-        struct dmar_domain *domain;
+        struct dmar_domain *dmar_domain;
 
-        domain = iommu_alloc_vm_domain();
-        if (!domain) {
+        dmar_domain = iommu_alloc_vm_domain();
+        if (!dmar_domain) {
                 printk(KERN_ERR
-                        "intel_iommu_domain_alloc: domain == NULL\n");
-                return NULL;
+                        "intel_iommu_domain_init: dmar_domain == NULL\n");
+                return -ENOMEM;
         }
-        if (vm_domain_init(domain, DEFAULT_DOMAIN_ADDRESS_WIDTH)) {
+        if (vm_domain_init(dmar_domain, DEFAULT_DOMAIN_ADDRESS_WIDTH)) {
                 printk(KERN_ERR
-                        "intel_iommu_domain_alloc: domain_init() failed\n");
-                vm_domain_exit(domain);
-                return NULL;
+                        "intel_iommu_domain_init() failed\n");
+                vm_domain_exit(dmar_domain);
+                return -ENOMEM;
         }
+        domain->priv = dmar_domain;
 
-        return domain;
+        return 0;
 }
-EXPORT_SYMBOL_GPL(intel_iommu_alloc_domain);
 
-void intel_iommu_free_domain(struct dmar_domain *domain)
+static void intel_iommu_domain_destroy(struct iommu_domain *domain)
 {
-        vm_domain_exit(domain);
+        struct dmar_domain *dmar_domain = domain->priv;
+
+        domain->priv = NULL;
+        vm_domain_exit(dmar_domain);
 }
-EXPORT_SYMBOL_GPL(intel_iommu_free_domain);
 
 int intel_iommu_attach_device(struct dmar_domain *domain,
                               struct pci_dev *pdev)