Accelerators patches for 2026-01-16

[PULL 22/30] accel: Introduce AccelOpsClass::cpu_target_realize() hook

Philippe Mathieu-Daudé posted 30 patches 3 weeks ago

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Maintainers: "Alex Bennée" <alex.bennee@linaro.org>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Thomas Huth <thuth@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, Cameron Esfahani <dirty@apple.com>, Roman Bolshakov <rbolshakov@ddn.com>, Phil Dennis-Jordan <phil@philjordan.eu>, Mads Ynddal <mads@ynddal.dk>, "Dr. David Alan Gilbert" <dave@treblig.org>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, "Daniel P. Berrangé" <berrange@redhat.com>, Hyman Huang <yong.huang@smartx.com>, Peter Xu <peterx@redhat.com>, Fabiano Rosas <farosas@suse.de>, Peter Maydell <peter.maydell@linaro.org>, Alexander Graf <agraf@csgraf.de>, Reinoud Zandijk <reinoud@netbsd.org>, Kohei Tokunaga <ktokunaga.mail@gmail.com>, Laurent Vivier <lvivier@redhat.com>

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[PULL 22/30] accel: Introduce AccelOpsClass::cpu_target_realize() hook

Posted by Philippe Mathieu-Daudé 3 weeks ago

Allow accelerators to set vCPU properties before its realization.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp>
Message-ID: <20251103101034.59039-16-philmd@linaro.org>
---
 include/accel/accel-cpu-ops.h | 1 +
 accel/accel-common.c          | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/include/accel/accel-cpu-ops.h b/include/accel/accel-cpu-ops.h
index 0674764914f..9c07a903ea0 100644
--- a/include/accel/accel-cpu-ops.h
+++ b/include/accel/accel-cpu-ops.h
@@ -34,6 +34,7 @@ struct AccelOpsClass {
     /* initialization function called when accel is chosen */
     void (*ops_init)(AccelClass *ac);
 
+    bool (*cpu_target_realize)(CPUState *cpu, Error **errp);
     bool (*cpus_are_resettable)(void);
     void (*cpu_reset_hold)(CPUState *cpu);
 
diff --git a/accel/accel-common.c b/accel/accel-common.c
index 850c5ab4b8e..eecb2a292af 100644
--- a/accel/accel-common.c
+++ b/accel/accel-common.c
@@ -106,6 +106,11 @@ bool accel_cpu_common_realize(CPUState *cpu, Error **errp)
     if (acc->cpu_common_realize && !acc->cpu_common_realize(cpu, errp)) {
         return false;
     }
+    if (acc->ops
+        && acc->ops->cpu_target_realize
+        && !acc->ops->cpu_target_realize(cpu, errp)) {
+        return false;
+    }
 
     return true;
 }
-- 
2.52.0