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iommu/vt-d: Make get_valid_domain_for_dev() take struct device 

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
David Woodhouse 2014-03-09 16:07:40 -07:00
parent 3bdb259116
commit d4b709f48e
1 changed files with 12 additions and 14 deletions
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26
drivers/iommu/intel-iommu.c
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@ -2862,26 +2862,24 @@ static struct iova *intel_alloc_iova(struct device *dev,
return iova;
}
static struct dmar_domain *__get_valid_domain_for_dev(struct pci_dev *pdev)
static struct dmar_domain *__get_valid_domain_for_dev(struct device *dev)
{
struct dmar_domain *domain;
int ret;
domain = get_domain_for_dev(&pdev->dev, DEFAULT_DOMAIN_ADDRESS_WIDTH);
domain = get_domain_for_dev(dev, DEFAULT_DOMAIN_ADDRESS_WIDTH);
if (!domain) {
printk(KERN_ERR
"Allocating domain for %s failed", pci_name(pdev));
printk(KERN_ERR "Allocating domain for %s failed",
dev_name(dev));
return NULL;
}
/* make sure context mapping is ok */
if (unlikely(!domain_context_mapped(&pdev->dev))) {
ret = domain_context_mapping(domain, &pdev->dev,
CONTEXT_TT_MULTI_LEVEL);
if (unlikely(!domain_context_mapped(dev))) {
ret = domain_context_mapping(domain, dev, CONTEXT_TT_MULTI_LEVEL);
if (ret) {
printk(KERN_ERR
"Domain context map for %s failed",
pci_name(pdev));
printk(KERN_ERR "Domain context map for %s failed",
dev_name(dev));
return NULL;
}
}
@ -2889,12 +2887,12 @@ static struct dmar_domain *__get_valid_domain_for_dev(struct pci_dev *pdev)
return domain;
}
static inline struct dmar_domain *get_valid_domain_for_dev(struct pci_dev *dev)
static inline struct dmar_domain *get_valid_domain_for_dev(struct device *dev)
{
struct device_domain_info *info;
/* No lock here, assumes no domain exit in normal case */
info = dev->dev.archdata.iommu;
info = dev->archdata.iommu;
if (likely(info))
return info->domain;
@ -2975,7 +2973,7 @@ static dma_addr_t __intel_map_single(struct device *hwdev, phys_addr_t paddr,
if (iommu_no_mapping(hwdev))
return paddr;
domain = get_valid_domain_for_dev(pdev);
domain = get_valid_domain_for_dev(hwdev);
if (!domain)
return 0;
@ -3280,7 +3278,7 @@ static int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, int ne
if (iommu_no_mapping(hwdev))
return intel_nontranslate_map_sg(hwdev, sglist, nelems, dir);
domain = get_valid_domain_for_dev(pdev);
domain = get_valid_domain_for_dev(hwdev);
if (!domain)
return 0;