Commit 7e54e0ee authored Aug 19, 2015 by Mitchel Humpherys

iommu/iommu-debug: Pass a flags value to iommu_trigger_fault



iommu_trigger_fault now accepts a flags argument which can be handled by
the individual IOMMU drivers.  Take the value written to the debugfs
file by the user and pass it as the flags value.

Change-Id: I803e6585aea35fbb0f6e03e4279587b36a7bad92
Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>

parent 047b6973

drivers/iommu/iommu-debug.c

+7 −1

Original line number	Diff line number	Diff line
		@@ -93,8 +93,14 @@ static ssize_t iommu_debug_attachment_trigger_fault_write(
		loff_t *offset)
		{
		struct iommu_debug_attachment *attach = file->private_data;
		unsigned long flags;

		iommu_trigger_fault(attach->domain, 0);
		if (kstrtoul_from_user(ubuf, count, 0, &flags)) {
		pr_err("Invalid flags format\n");
		return -EFAULT;
		}

		iommu_trigger_fault(attach->domain, flags);

		return count;
		}