diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pci/intel-iommu.c | 33 |
1 files changed, 18 insertions, 15 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) |