| Message ID | 20180315203050.19791-42-andre.przywara@linaro.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | New VGIC(-v2) implementation | expand |
Hi Andre, On 03/15/2018 08:30 PM, Andre Przywara wrote: > Enable the VGIC operation by properly initialising the registers > in the hypervisor GIC interface. > > This is based on Linux commit f7b6985cc3d0, written by Eric Auger. > > Signed-off-by: Andre Przywara <andre.przywara@linaro.org> Acked-by: Julien Grall <julien.grall@arm.com> Cheers, > --- > Changelog v1 ... v2: > - move patch from later part in the series > > xen/arch/arm/vgic/vgic-v2.c | 6 ++++++ > xen/arch/arm/vgic/vgic.h | 1 + > 2 files changed, 7 insertions(+) > > diff --git a/xen/arch/arm/vgic/vgic-v2.c b/xen/arch/arm/vgic/vgic-v2.c > index bc5c7895f4..4662346327 100644 > --- a/xen/arch/arm/vgic/vgic-v2.c > +++ b/xen/arch/arm/vgic/vgic-v2.c > @@ -219,6 +219,12 @@ void vgic_v2_populate_lr(struct vcpu *vcpu, struct vgic_irq *irq, int lr) > gic_hw_ops->write_lr(lr, &lr_val); > } > > +void vgic_v2_enable(struct vcpu *vcpu) > +{ > + /* Get the show on the road... */ > + gic_hw_ops->update_hcr_status(GICH_HCR_EN, 1); > +} > + > /* > * Local variables: > * mode: C > diff --git a/xen/arch/arm/vgic/vgic.h b/xen/arch/arm/vgic/vgic.h > index deefbb3ef7..def1ac478a 100644 > --- a/xen/arch/arm/vgic/vgic.h > +++ b/xen/arch/arm/vgic/vgic.h > @@ -62,6 +62,7 @@ void vgic_sync_hardware_irq(struct domain *d, > void vgic_v2_fold_lr_state(struct vcpu *vcpu); > void vgic_v2_populate_lr(struct vcpu *vcpu, struct vgic_irq *irq, int lr); > void vgic_v2_set_underflow(struct vcpu *vcpu); > +void vgic_v2_enable(struct vcpu *vcpu); > int vgic_register_dist_iodev(struct domain *d, gfn_t dist_base_fn, > enum vgic_type); > >
diff --git a/xen/arch/arm/vgic/vgic-v2.c b/xen/arch/arm/vgic/vgic-v2.c index bc5c7895f4..4662346327 100644 --- a/xen/arch/arm/vgic/vgic-v2.c +++ b/xen/arch/arm/vgic/vgic-v2.c @@ -219,6 +219,12 @@ void vgic_v2_populate_lr(struct vcpu *vcpu, struct vgic_irq *irq, int lr) gic_hw_ops->write_lr(lr, &lr_val); } +void vgic_v2_enable(struct vcpu *vcpu) +{ + /* Get the show on the road... */ + gic_hw_ops->update_hcr_status(GICH_HCR_EN, 1); +} + /* * Local variables: * mode: C diff --git a/xen/arch/arm/vgic/vgic.h b/xen/arch/arm/vgic/vgic.h index deefbb3ef7..def1ac478a 100644 --- a/xen/arch/arm/vgic/vgic.h +++ b/xen/arch/arm/vgic/vgic.h @@ -62,6 +62,7 @@ void vgic_sync_hardware_irq(struct domain *d, void vgic_v2_fold_lr_state(struct vcpu *vcpu); void vgic_v2_populate_lr(struct vcpu *vcpu, struct vgic_irq *irq, int lr); void vgic_v2_set_underflow(struct vcpu *vcpu); +void vgic_v2_enable(struct vcpu *vcpu); int vgic_register_dist_iodev(struct domain *d, gfn_t dist_base_fn, enum vgic_type);
Enable the VGIC operation by properly initialising the registers in the hypervisor GIC interface. This is based on Linux commit f7b6985cc3d0, written by Eric Auger. Signed-off-by: Andre Przywara <andre.przywara@linaro.org> --- Changelog v1 ... v2: - move patch from later part in the series xen/arch/arm/vgic/vgic-v2.c | 6 ++++++ xen/arch/arm/vgic/vgic.h | 1 + 2 files changed, 7 insertions(+)