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authorZenghui Yu <[email protected]>2021-02-27 15:39:09 +0800
committerJoerg Roedel <[email protected]>2021-03-04 13:32:04 +0100
commit444d66a23c1f1e4c4d12aed4812681d0ad835d60 (patch)
treef627941289e91f74fd9c64a94063e3dc08f2a155 /scripts/gdb/linux/device.py
parent82c3cefb9f1652e7470f442ff96c613e8c8ed8f4 (diff)
iommu/vt-d: Fix status code for Allocate/Free PASID command
As per Intel vt-d spec, Rev 3.0 (section 10.4.45 "Virtual Command Response Register"), the status code of "No PASID available" error in response to the Allocate PASID command is 2, not 1. The same for "Invalid PASID" error in response to the Free PASID command. We will otherwise see confusing kernel log under the command failure from guest side. Fix it. Fixes: 24f27d32ab6b ("iommu/vt-d: Enlightened PASID allocation") Signed-off-by: Zenghui Yu <[email protected]> Acked-by: Lu Baolu <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Joerg Roedel <[email protected]>
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