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Re: [PATCH v4 02/12] accel: Introduce 'query-accels' QMP command
From: |
Alex Bennée |
Subject: |
Re: [PATCH v4 02/12] accel: Introduce 'query-accels' QMP command |
Date: |
Thu, 29 Apr 2021 15:50:25 +0100 |
User-agent: |
mu4e 1.5.12; emacs 28.0.50 |
Philippe Mathieu-Daudé <philmd@redhat.com> writes:
> Introduce the 'query-accels' QMP command which returns a list
> of built-in accelerator names.
>
> - Accelerator is a QAPI enum of all existing accelerators,
>
> - AcceleratorInfo is a QAPI structure providing accelerator
> specific information. Currently the common structure base
> provides the name of the accelerator, while the specific
> part is empty, but each accelerator can expand it.
>
> - 'query-accels' QMP command returns a list of @AcceleratorInfo
>
> For example on a KVM-only build we get:
>
> { "execute": "query-accels" }
> {
> "return": [
> {
> "name": "qtest"
> },
> {
> "name": "kvm"
> }
> ]
> }
>
> Note that we can't make the enum values or union branches conditional
> because of target-specific poisoning of accelerator definitions.
>
> Reviewed-by: Eric Blake <eblake@redhat.com>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
--
Alex Bennée
- [PATCH v4 00/12] qtests: Check accelerator available at runtime via QMP 'query-accels', Philippe Mathieu-Daudé, 2021/04/15
- [PATCH v4 01/12] MAINTAINERS: Add qtest/arm-cpu-features.c to ARM TCG CPUs section, Philippe Mathieu-Daudé, 2021/04/15
- [PATCH v4 02/12] accel: Introduce 'query-accels' QMP command, Philippe Mathieu-Daudé, 2021/04/15
- [PATCH v4 03/12] tests/qtest: Add qtest_has_accel() method, Philippe Mathieu-Daudé, 2021/04/15
- [PATCH v4 04/12] qtest/arm-cpu-features: Use generic qtest_has_accel() to check for KVM, Philippe Mathieu-Daudé, 2021/04/15
- [PATCH v4 05/12] qtest/arm-cpu-features: Restrict sve_tests_sve_off_kvm test to KVM, Philippe Mathieu-Daudé, 2021/04/15
- [PATCH v4 06/12] qtest/arm-cpu-features: Remove TCG fallback to KVM specific tests, Philippe Mathieu-Daudé, 2021/04/15