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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::52a; envelope-from=haibo.xu@linaro.org; helo=mail-pg1-x52a.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, drjones@redhat.com, richard.henderson@linaro.org, Haibo Xu , pbonzini@redhat.com, philmd@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Uses the new VGIC KVM device attribute to set the maintenance IRQ. This is fixed to use IRQ 25(PPI 9), as a platform decision matching the arm64 SBSA recommendation. Signed-off-by: Haibo Xu --- hw/intc/arm_gicv3_common.c | 1 + hw/intc/arm_gicv3_kvm.c | 16 ++++++++++++++++ include/hw/intc/arm_gicv3_common.h | 1 + 3 files changed, 18 insertions(+) diff --git a/hw/intc/arm_gicv3_common.c b/hw/intc/arm_gicv3_common.c index 58ef65f589..3ac10c8e61 100644 --- a/hw/intc/arm_gicv3_common.c +++ b/hw/intc/arm_gicv3_common.c @@ -495,6 +495,7 @@ static Property arm_gicv3_common_properties[] =3D { DEFINE_PROP_UINT32("num-irq", GICv3State, num_irq, 32), DEFINE_PROP_UINT32("revision", GICv3State, revision, 3), DEFINE_PROP_BOOL("has-security-extensions", GICv3State, security_extn,= 0), + DEFINE_PROP_BOOL("has-virtualization-extensions", GICv3State, virt_ext= n, 0), DEFINE_PROP_ARRAY("redist-region-count", GICv3State, nb_redist_regions, redist_region_count, qdev_prop_uint32, uint32_t), DEFINE_PROP_END_OF_LIST(), diff --git a/hw/intc/arm_gicv3_kvm.c b/hw/intc/arm_gicv3_kvm.c index 65a4c880a3..1e1ca66e2c 100644 --- a/hw/intc/arm_gicv3_kvm.c +++ b/hw/intc/arm_gicv3_kvm.c @@ -826,6 +826,22 @@ static void kvm_arm_gicv3_realize(DeviceState *dev, Er= ror **errp) kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_CTRL, KVM_DEV_ARM_VGIC_CTRL_INIT, NULL, true, &error_abort= ); =20 + if (s->virt_extn) { + bool maint_irq_allowed; + uint32_t maint_irq =3D 25; + + maint_irq_allowed =3D + kvm_device_check_attr(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_MAINT_IR= Q, 0); + if (!maint_irq_allowed) { + error_setg(errp, "VGICv3 setting maintenance IRQ are not " + "supported by this host kernel"); + return; + } + + kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_MAINT_IRQ, + 0, &maint_irq, true, &error_abort); + } + kvm_arm_register_device(&s->iomem_dist, -1, KVM_DEV_ARM_VGIC_GRP_ADDR, KVM_VGIC_V3_ADDR_TYPE_DIST, s->dev_fd, 0); =20 diff --git a/include/hw/intc/arm_gicv3_common.h b/include/hw/intc/arm_gicv3= _common.h index 91491a2f66..921ddc2c5f 100644 --- a/include/hw/intc/arm_gicv3_common.h +++ b/include/hw/intc/arm_gicv3_common.h @@ -220,6 +220,7 @@ struct GICv3State { uint32_t num_irq; uint32_t revision; bool security_extn; + bool virt_extn; bool irq_reset_nonsecure; bool gicd_no_migration_shift_bug; =20 --=20 2.17.1