iommu/vt-d: Make dmar_insert_dev_info() take struct device instead of struct pci_dev
authorDavid Woodhouse <David.Woodhouse@intel.com>
Thu, 6 Mar 2014 16:19:30 +0000 (16:19 +0000)
committerDavid Woodhouse <David.Woodhouse@intel.com>
Mon, 24 Mar 2014 14:06:34 +0000 (14:06 +0000)
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
drivers/iommu/intel-iommu.c

index 2079cb65d4780de385b792eadefec948c665122f..40dbafd376fb3cfa4b692a9a71b4be3e38b08c55 100644 (file)
@@ -2113,15 +2113,14 @@ static void domain_remove_dev_info(struct dmar_domain *domain)
 
 /*
  * find_domain
- * Note: we use struct pci_dev->dev.archdata.iommu stores the info
+ * Note: we use struct device->archdata.iommu stores the info
  */
-static struct dmar_domain *
-find_domain(struct pci_dev *pdev)
+static struct dmar_domain *find_domain(struct device *dev)
 {
        struct device_domain_info *info;
 
        /* No lock here, assumes no domain exit in normal case */
-       info = pdev->dev.archdata.iommu;
+       info = dev->archdata.iommu;
        if (info)
                return info->domain;
        return NULL;
@@ -2161,7 +2160,7 @@ static int dmar_insert_dev_info(int segment, int bus, int devfn,
 
        spin_lock_irqsave(&device_domain_lock, flags);
        if (dev)
-               found = find_domain(dev);
+               found = find_domain(&dev->dev);
        else
                found = dmar_search_domain_by_dev_info(segment, bus, devfn);
        if (found) {
@@ -2193,7 +2192,7 @@ static struct dmar_domain *get_domain_for_dev(struct pci_dev *pdev, int gaw)
        int bus = 0, devfn = 0;
        int segment;
 
-       domain = find_domain(pdev);
+       domain = find_domain(&pdev->dev);
        if (domain)
                return domain;
 
@@ -2252,7 +2251,7 @@ error:
        if (free)
                domain_exit(free);
        /* recheck it here, maybe others set it */
-       return find_domain(pdev);
+       return find_domain(&pdev->dev);
 }
 
 static int iommu_identity_mapping;
@@ -3108,7 +3107,7 @@ static void intel_unmap_page(struct device *dev, dma_addr_t dev_addr,
        if (iommu_no_mapping(dev))
                return;
 
-       domain = find_domain(pdev);
+       domain = find_domain(dev);
        BUG_ON(!domain);
 
        iommu = domain_get_iommu(domain);
@@ -3200,7 +3199,7 @@ static void intel_unmap_sg(struct device *hwdev, struct scatterlist *sglist,
        if (iommu_no_mapping(hwdev))
                return;
 
-       domain = find_domain(pdev);
+       domain = find_domain(hwdev);
        BUG_ON(!domain);
 
        iommu = domain_get_iommu(domain);
@@ -3808,7 +3807,7 @@ static int device_notifier(struct notifier_block *nb,
            action != BUS_NOTIFY_DEL_DEVICE)
                return 0;
 
-       domain = find_domain(pdev);
+       domain = find_domain(dev);
        if (!domain)
                return 0;
 
@@ -4147,7 +4146,7 @@ static int intel_iommu_attach_device(struct iommu_domain *domain,
        if (unlikely(domain_context_mapped(pdev))) {
                struct dmar_domain *old_domain;
 
-               old_domain = find_domain(pdev);
+               old_domain = find_domain(dev);
                if (old_domain) {
                        if (dmar_domain->flags & DOMAIN_FLAG_VIRTUAL_MACHINE ||
                            dmar_domain->flags & DOMAIN_FLAG_STATIC_IDENTITY)