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-rw-r--r--drivers/pci/intel-iommu.c33
-rw-r--r--include/linux/intel-iommu.h2
2 files changed, 18 insertions, 17 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 772fb22e1be..5c95a5a6544 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)
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index 07973c4e4ac..0a7ba0cefc7 100644
--- 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,