iommu/vt-d: Always reserve a domain ID for identity setup
authorLu Baolu <baolu.lu@linux.intel.com>
Mon, 2 Sep 2024 02:27:13 +0000 (10:27 +0800)
committerJoerg Roedel <jroedel@suse.de>
Mon, 2 Sep 2024 16:14:55 +0000 (18:14 +0200)
commit2c13012e09190174614fd6901857a1b8c199e17d
tree08afc4bb6c5dd00cd9d608bd078f41731eb0dd6f
parent9e74e1b8198fd07fcbb4266771ca0f5195c71d9c
iommu/vt-d: Always reserve a domain ID for identity setup

We will use a global static identity domain. Reserve a static domain ID
for it.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Link: https://lore.kernel.org/r/20240809055431.36513-4-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
drivers/iommu/intel/iommu.c