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

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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>
This commit is contained in:
Mitchel Humpherys 2015-08-19 11:39:23 -07:00 • committed by David Keitel
parent 7f72f4984b
commit 763858dfbc
1 changed files with 7 additions and 1 deletions
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8
drivers/iommu/iommu-debug.c
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@ -94,8 +94,14 @@ 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;
}