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

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

diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 772fb22..5c95a5a 100644 (file)
--- 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)

diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index 07973c4..0a7ba0c 100644 (file)
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -330,8 +330,6 @@ extern int qi_flush_iotlb(struct intel_iommu *iommu, u16 did, u64 addr,
 
 extern void qi_submit_sync(struct qi_desc *desc, struct intel_iommu *iommu);
 
-struct dmar_domain *intel_iommu_alloc_domain(void);
-void intel_iommu_free_domain(struct dmar_domain *domain);
 int intel_iommu_attach_device(struct dmar_domain *domain,
                              struct pci_dev *pdev);
 void intel_iommu_detach_device(struct dmar_domain *domain,