iommu/vt-d: Dynamically allocate and free seq_id for DMAR units

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Introduce functions to support dynamic IOMMU seq_id allocating and
releasing, which will be used to support DMAR hotplug.

Also rename IOMMU_UNITS_SUPPORTED as DMAR_UNITS_SUPPORTED.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Reviewed-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Jiang Liu 2014-11-09 22:47:57 +08:00 • committed by Joerg Roedel

parent c2a0b538d2

commit 78d8e70461

3 changed files with 43 additions and 16 deletions

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include/linux/dmar.h

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