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path: root/drivers/iommu/amd_iommu.c
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Diffstat (limited to 'drivers/iommu/amd_iommu.c')
-rw-r--r--drivers/iommu/amd_iommu.c54
1 files changed, 2 insertions, 52 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index f7cdd2ab7f11..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,
@@ -1723,31 +1723,6 @@ static void dma_ops_free_iova(struct dma_ops_domain *dma_dom,
*
****************************************************************************/
-/*
- * This function adds a protection domain to the global protection domain list
- */
-static void add_domain_to_list(struct protection_domain *domain)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&amd_iommu_pd_lock, flags);
- list_add(&domain->list, &amd_iommu_pd_list);
- spin_unlock_irqrestore(&amd_iommu_pd_lock, flags);
-}
-
-/*
- * This function removes a protection domain to the global
- * protection domain list
- */
-static void del_domain_from_list(struct protection_domain *domain)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&amd_iommu_pd_lock, flags);
- list_del(&domain->list);
- spin_unlock_irqrestore(&amd_iommu_pd_lock, flags);
-}
-
static u16 domain_id_alloc(void)
{
int id;
@@ -1838,8 +1813,6 @@ static void dma_ops_domain_free(struct dma_ops_domain *dom)
if (!dom)
return;
- del_domain_from_list(&dom->domain);
-
put_iova_domain(&dom->iovad);
free_pagetable(&dom->domain);
@@ -1880,8 +1853,6 @@ static struct dma_ops_domain *dma_ops_domain_alloc(void)
/* Initialize reserved ranges */
copy_reserved_iova(&reserved_iova_ranges, &dma_dom->iovad);
- add_domain_to_list(&dma_dom->domain);
-
return dma_dom;
free_dma_dom:
@@ -2122,23 +2093,6 @@ out_err:
return ret;
}
-/* FIXME: Move this to PCI code */
-#define PCI_PRI_TLP_OFF (1 << 15)
-
-static bool pci_pri_tlp_required(struct pci_dev *pdev)
-{
- u16 status;
- int pos;
-
- pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_PRI);
- if (!pos)
- return false;
-
- pci_read_config_word(pdev, pos + PCI_PRI_STATUS, &status);
-
- return (status & PCI_PRI_TLP_OFF) ? true : false;
-}
-
/*
* If a device is not yet associated with a domain, this function makes the
* device visible in the domain
@@ -2167,7 +2121,7 @@ static int attach_device(struct device *dev,
dev_data->ats.enabled = true;
dev_data->ats.qdep = pci_ats_queue_depth(pdev);
- dev_data->pri_tlp = pci_pri_tlp_required(pdev);
+ dev_data->pri_tlp = pci_prg_resp_pasid_required(pdev);
}
} else if (amd_iommu_iotlb_sup &&
pci_enable_ats(pdev, PAGE_SHIFT) == 0) {
@@ -2897,8 +2851,6 @@ static void protection_domain_free(struct protection_domain *domain)
if (!domain)
return;
- del_domain_from_list(domain);
-
if (domain->id)
domain_id_free(domain->id);
@@ -2928,8 +2880,6 @@ static struct protection_domain *protection_domain_alloc(void)
if (protection_domain_init(domain))
goto out_err;
- add_domain_to_list(domain);
-
return domain;
out_err: