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| author | Marc Zyngier <maz@kernel.org> | 2019-12-24 14:10:29 +0300 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2020-01-22 17:22:19 +0300 |
| commit | 64edfaa9a2342a3ce34f8cb982c2c2df84db4de3 (patch) | |
| tree | 323789ea3dc344ffe4ce4a550088fd244e7bbe52 /lib | |
| parent | 5e5168461c22c8738d31d4ee12a5cbc2ab0aa440 (diff) | |
| download | linux-64edfaa9a2342a3ce34f8cb982c2c2df84db4de3.tar.xz | |
irqchip/gic-v4.1: Implement the v4.1 flavour of VMAPP
The ITS VMAPP command gains some new fields with GICv4.1:
- a default doorbell, which allows a single doorbell to be used for
all the VLPIs routed to a given VPE
- a pointer to the configuration table (instead of having it in a register
that gets context switched)
- a flag indicating whether this is the first map or the last unmap for
this particular VPE
- a flag indicating whether the pending table is known to be zeroed, or not
Plumb in the new fields in the VMAPP builder, and add the map/unmap
refcounting so that the ITS can do the right thing.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Link: https://lore.kernel.org/r/20191224111055.11836-7-maz@kernel.org
Diffstat (limited to 'lib')
0 files changed, 0 insertions, 0 deletions