diff options
Diffstat (limited to 'drivers/iommu')
-rw-r--r-- | drivers/iommu/amd_iommu.c | 2 | ||||
-rw-r--r-- | drivers/iommu/dma-iommu.c | 35 | ||||
-rw-r--r-- | drivers/iommu/intel-iommu.c | 2 | ||||
-rw-r--r-- | drivers/iommu/intel_irq_remapping.c | 2 |
4 files changed, 35 insertions, 6 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index fde16c5b0a70..09c9e45f7fa2 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -165,7 +165,7 @@ static inline u16 get_pci_device_id(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); - return PCI_DEVID(pdev->bus->number, pdev->devfn); + return pci_dev_id(pdev); } static inline int get_acpihid_device_id(struct device *dev, diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c index 20abd19bbfbe..5e898047c390 100644 --- a/drivers/iommu/dma-iommu.c +++ b/drivers/iommu/dma-iommu.c @@ -206,12 +206,13 @@ static int cookie_init_hw_msi_region(struct iommu_dma_cookie *cookie, return 0; } -static void iova_reserve_pci_windows(struct pci_dev *dev, +static int iova_reserve_pci_windows(struct pci_dev *dev, struct iova_domain *iovad) { struct pci_host_bridge *bridge = pci_find_host_bridge(dev->bus); struct resource_entry *window; unsigned long lo, hi; + phys_addr_t start = 0, end; resource_list_for_each_entry(window, &bridge->windows) { if (resource_type(window->res) != IORESOURCE_MEM) @@ -221,6 +222,31 @@ static void iova_reserve_pci_windows(struct pci_dev *dev, hi = iova_pfn(iovad, window->res->end - window->offset); reserve_iova(iovad, lo, hi); } + + /* Get reserved DMA windows from host bridge */ + resource_list_for_each_entry(window, &bridge->dma_ranges) { + end = window->res->start - window->offset; +resv_iova: + if (end > start) { + lo = iova_pfn(iovad, start); + hi = iova_pfn(iovad, end); + reserve_iova(iovad, lo, hi); + } else { + /* dma_ranges list should be sorted */ + dev_err(&dev->dev, "Failed to reserve IOVA\n"); + return -EINVAL; + } + + start = window->res->end - window->offset + 1; + /* If window is last entry */ + if (window->node.next == &bridge->dma_ranges && + end != ~(dma_addr_t)0) { + end = ~(dma_addr_t)0; + goto resv_iova; + } + } + + return 0; } static int iova_reserve_iommu_regions(struct device *dev, @@ -232,8 +258,11 @@ static int iova_reserve_iommu_regions(struct device *dev, LIST_HEAD(resv_regions); int ret = 0; - if (dev_is_pci(dev)) - iova_reserve_pci_windows(to_pci_dev(dev), iovad); + if (dev_is_pci(dev)) { + ret = iova_reserve_pci_windows(to_pci_dev(dev), iovad); + if (ret) + return ret; + } iommu_get_resv_regions(dev, &resv_regions); list_for_each_entry(region, &resv_regions, list) { diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index a320bda2c305..a209199f3af6 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -1391,7 +1391,7 @@ static void iommu_enable_dev_iotlb(struct device_domain_info *info) /* pdev will be returned if device is not a vf */ pf_pdev = pci_physfn(pdev); - info->pfsid = PCI_DEVID(pf_pdev->bus->number, pf_pdev->devfn); + info->pfsid = pci_dev_id(pf_pdev); } #ifdef CONFIG_INTEL_IOMMU_SVM diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index 634d8f059019..4160aa9f3f80 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -424,7 +424,7 @@ static int set_msi_sid(struct irte *irte, struct pci_dev *dev) set_irte_sid(irte, SVT_VERIFY_SID_SQ, SQ_ALL_16, data.alias); else set_irte_sid(irte, SVT_VERIFY_SID_SQ, SQ_ALL_16, - PCI_DEVID(dev->bus->number, dev->devfn)); + pci_dev_id(dev)); return 0; } |