iommu/vt-d: Handle RMRRs for non-PCI devices
Should hopefully never happen (RMRRs are an abomination) but while we're
busy eliminating all the PCI assumptions, we might as well do it.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 1c5f656..7b2b9f3 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -2311,14 +2311,14 @@
DMA_PTE_READ|DMA_PTE_WRITE);
}
-static int iommu_prepare_identity_map(struct pci_dev *pdev,
+static int iommu_prepare_identity_map(struct device *dev,
unsigned long long start,
unsigned long long end)
{
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)
return -ENOMEM;
@@ -2328,13 +2328,13 @@
up to start with in si_domain */
if (domain == si_domain && hw_pass_through) {
printk("Ignoring identity map for HW passthrough device %s [0x%Lx - 0x%Lx]\n",
- pci_name(pdev), start, end);
+ dev_name(dev), start, end);
return 0;
}
printk(KERN_INFO
"IOMMU: Setting identity map for device %s [0x%Lx - 0x%Lx]\n",
- pci_name(pdev), start, end);
+ dev_name(dev), start, end);
if (end < start) {
WARN(1, "Your BIOS is broken; RMRR ends before it starts!\n"
@@ -2362,7 +2362,7 @@
goto error;
/* context entry init */
- ret = domain_context_mapping(domain, &pdev->dev, CONTEXT_TT_MULTI_LEVEL);
+ ret = domain_context_mapping(domain, dev, CONTEXT_TT_MULTI_LEVEL);
if (ret)
goto error;
@@ -2374,12 +2374,12 @@
}
static inline int iommu_prepare_rmrr_dev(struct dmar_rmrr_unit *rmrr,
- struct pci_dev *pdev)
+ struct device *dev)
{
- if (pdev->dev.archdata.iommu == DUMMY_DEVICE_DOMAIN_INFO)
+ if (dev->archdata.iommu == DUMMY_DEVICE_DOMAIN_INFO)
return 0;
- return iommu_prepare_identity_map(pdev, rmrr->base_address,
- rmrr->end_address);
+ return iommu_prepare_identity_map(dev, rmrr->base_address,
+ rmrr->end_address);
}
#ifdef CONFIG_INTEL_IOMMU_FLOPPY_WA
@@ -2393,7 +2393,7 @@
return;
printk(KERN_INFO "IOMMU: Prepare 0-16MiB unity mapping for LPC\n");
- ret = iommu_prepare_identity_map(pdev, 0, 16*1024*1024 - 1);
+ ret = iommu_prepare_identity_map(&pdev->dev, 0, 16*1024*1024 - 1);
if (ret)
printk(KERN_ERR "IOMMU: Failed to create 0-16MiB identity map; "
@@ -2495,7 +2495,7 @@
return 0;
}
-static bool device_has_rmrr(struct pci_dev *dev)
+static bool device_has_rmrr(struct device *dev)
{
struct dmar_rmrr_unit *rmrr;
struct device *tmp;
@@ -2509,7 +2509,7 @@
*/
for_each_active_dev_scope(rmrr->devices,
rmrr->devices_cnt, i, tmp)
- if (tmp == &dev->dev) {
+ if (tmp == dev) {
rcu_read_unlock();
return true;
}
@@ -2529,7 +2529,7 @@
* from this process due to their usage of RMRRs that are known
* to not be needed after BIOS hand-off to OS.
*/
- if (device_has_rmrr(pdev) &&
+ if (device_has_rmrr(&pdev->dev) &&
(pdev->class >> 8) != PCI_CLASS_SERIAL_USB)
return 0;
@@ -2766,9 +2766,7 @@
/* some BIOS lists non-exist devices in DMAR table. */
for_each_active_dev_scope(rmrr->devices, rmrr->devices_cnt,
i, dev) {
- if (!dev_is_pci(dev))
- continue;
- ret = iommu_prepare_rmrr_dev(rmrr, to_pci_dev(dev));
+ ret = iommu_prepare_rmrr_dev(rmrr, dev);
if (ret)
printk(KERN_ERR
"IOMMU: mapping reserved region failed\n");