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hw/arm/smmuv3: Add knob to choose translation stage and enable stage-2

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As everything is in place, we can use a new system property to
advertise which stage is supported and remove bad_ste from STE
stage2 config.

The property added arm-smmuv3.stage can have 3 values:
- "1": Stage-1 only is advertised.
- "2": Stage-2 only is advertised.

If not passed or an unsupported value is passed, it will default to
stage-1.

Advertise VMID16.

Don't try to decode CD, if stage-2 is configured.

Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Mostafa Saleh <smostafa@google.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Message-id: 20230516203327.2051088-11-smostafa@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Mostafa Saleh 2023-05-25 10:37:51 +01:00 • committed by Peter Maydell
parent 32bd7baec2
commit 8cefcc3b71
2 changed files with 23 additions and 10 deletions
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1
include/hw/arm/smmuv3.h
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@ -62,6 +62,7 @@ struct SMMUv3State {
qemu_irq irq[4];
QemuMutex mutex;
char *stage;
};
typedef enum {