diff options
| -rw-r--r-- | drivers/iommu/intel/iommu.c | 3 | ||||
| -rw-r--r-- | drivers/iommu/intel/svm.c | 4 | ||||
| -rw-r--r-- | include/linux/intel-svm.h | 5 |
3 files changed, 7 insertions, 5 deletions
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 8d4d49e12c51..d75f59ae28e6 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -33,6 +33,7 @@ #include <linux/iommu.h> #include <linux/dma-iommu.h> #include <linux/intel-iommu.h> +#include <linux/intel-svm.h> #include <linux/syscore_ops.h> #include <linux/tboot.h> #include <linux/dmi.h> @@ -1541,7 +1542,7 @@ static void iommu_enable_dev_iotlb(struct device_domain_info *info) if (info->pri_supported && (info->pasid_enabled ? pci_prg_resp_pasid_required(pdev) : 1) && - !pci_reset_pri(pdev) && !pci_enable_pri(pdev, 32)) + !pci_reset_pri(pdev) && !pci_enable_pri(pdev, PRQ_DEPTH)) info->pri_enabled = 1; #endif if (info->ats_supported && pci_ats_page_aligned(pdev) && diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c index 9b0f22bc0514..813438a07b62 100644 --- a/drivers/iommu/intel/svm.c +++ b/drivers/iommu/intel/svm.c @@ -31,8 +31,6 @@ static irqreturn_t prq_event_thread(int irq, void *d); static void intel_svm_drain_prq(struct device *dev, u32 pasid); #define to_intel_svm_dev(handle) container_of(handle, struct intel_svm_dev, sva) -#define PRQ_ORDER 0 - static DEFINE_XARRAY_ALLOC(pasid_private_array); static int pasid_private_add(ioasid_t pasid, void *priv) { @@ -724,8 +722,6 @@ struct page_req_dsc { u64 priv_data[2]; }; -#define PRQ_RING_MASK ((0x1000 << PRQ_ORDER) - 0x20) - static bool is_canonical_address(u64 addr) { int shift = 64 - (__VIRTUAL_MASK_SHIFT + 1); diff --git a/include/linux/intel-svm.h b/include/linux/intel-svm.h index 10fa80eef13a..57cceecbe37f 100644 --- a/include/linux/intel-svm.h +++ b/include/linux/intel-svm.h @@ -14,6 +14,11 @@ #define SVM_REQ_EXEC (1<<1) #define SVM_REQ_PRIV (1<<0) +/* Page Request Queue depth */ +#define PRQ_ORDER 2 +#define PRQ_RING_MASK ((0x1000 << PRQ_ORDER) - 0x20) +#define PRQ_DEPTH ((0x1000 << PRQ_ORDER) >> 5) + /* * The SVM_FLAG_SUPERVISOR_MODE flag requests a PASID which can be used only * for access to kernel addresses. No IOTLB flushes are automatically done |