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Author SHA1 Message Date
Oliver Upton
dafa493dd0 KVM: arm64: Document vCPU feature selection UAPIs 
KVM/arm64 has a couple schemes for handling vCPU feature selection now,
which is a lot to put on userspace. Add some documentation about how
these interact and provide some recommendations for how to use the
writable ID register scheme.

Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20231003230408.3405722-11-oliver.upton@linux.dev
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
 2023-10-04 17:11:51 +00:00
Marc Zyngier
c36820b04c Documentation: Fix index.rst after psci.rst renaming 
Fix the TOC in index.rst after psci.rst has been renamed to
hypercalls.rst.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Link: https://lore.kernel.org/r/20220504205627.18f46380@canb.auug.org.au
 2022-05-04 13:13:55 +01:00
Jianyong Wu
3bf725699b KVM: arm64: Add support for the KVM PTP service 
Implement the hypervisor side of the KVM PTP interface.

The service offers wall time and cycle count from host to guest.
The caller must specify whether they want the host's view of
either the virtual or physical counter.

Signed-off-by: Jianyong Wu <jianyong.wu@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20201209060932.212364-7-jianyong.wu@arm.com
 2021-04-07 16:33:20 +01:00
Mauro Carvalho Chehab
cec0e48be3 docs: kvm: arm/psci.txt: convert to ReST 
- Add a title for the document;
- Adjust whitespaces for it to be properly formatted after
  parsed.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
 2020-02-12 20:10:01 +01:00
Mauro Carvalho Chehab
69bf758bc8 docs: kvm: convert arm/hyp-abi.txt to ReST 
- Add proper markups for titles;
- Adjust whitespaces and blank lines to match ReST
  needs;
- Mark literal blocks as such.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
 2020-02-12 20:10:00 +01:00
Mauro Carvalho Chehab
7bd460fc1d docs: kvm: add arm/pvtime.rst to index.rst 
Add this file to a new kvm/arm index.rst, in order for it to
be shown as part of the virt book.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
 2020-02-12 20:09:47 +01:00