diff options
-rw-r--r-- | arch/x86/kernel/amd_iommu.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 75c7f8c3fe12..3557f223f40b 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -530,21 +530,27 @@ static int iommu_completion_wait(struct amd_iommu *iommu) return wait_on_sem(&sem); } +static int iommu_flush_dte(struct amd_iommu *iommu, u16 devid) +{ + struct iommu_cmd cmd; + + build_inv_dte(&cmd, devid); + + return iommu_queue_command(iommu, &cmd); +} + /* * Command send function for invalidating a device table entry */ -static int iommu_flush_device(struct device *dev) +static int device_flush_dte(struct device *dev) { struct amd_iommu *iommu; - struct iommu_cmd cmd; u16 devid; devid = get_device_id(dev); iommu = amd_iommu_rlookup_table[devid]; - build_inv_dte(&cmd, devid); - - return iommu_queue_command(iommu, &cmd); + return iommu_flush_dte(iommu, devid); } /* @@ -620,7 +626,7 @@ static void domain_flush_devices(struct protection_domain *domain) spin_lock_irqsave(&domain->lock, flags); list_for_each_entry(dev_data, &domain->dev_list, list) - iommu_flush_device(dev_data->dev); + device_flush_dte(dev_data->dev); spin_unlock_irqrestore(&domain->lock, flags); } @@ -1424,7 +1430,7 @@ static void do_attach(struct device *dev, struct protection_domain *domain) domain->dev_cnt += 1; /* Flush the DTE entry */ - iommu_flush_device(dev); + device_flush_dte(dev); } static void do_detach(struct device *dev) @@ -1447,7 +1453,7 @@ static void do_detach(struct device *dev) clear_dte_entry(devid); /* Flush the DTE entry */ - iommu_flush_device(dev); + device_flush_dte(dev); } /* @@ -1663,7 +1669,7 @@ static int device_change_notifier(struct notifier_block *nb, goto out; } - iommu_flush_device(dev); + device_flush_dte(dev); iommu_completion_wait(iommu); out: @@ -2448,7 +2454,7 @@ static void amd_iommu_detach_device(struct iommu_domain *dom, if (!iommu) return; - iommu_flush_device(dev); + device_flush_dte(dev); iommu_completion_wait(iommu); } |