From 62fc96f6a221cc4263734281438ef1b46ab29c2a Mon Sep 17 00:00:00 2001 From: Julien Grall Date: Tue, 28 Apr 2015 15:32:26 +0100 Subject: [PATCH] xen/arm: vgic: Add spi_to_pending Introduce spi_to_pending in order retrieve the irq_pending structure for a specific SPI. It's not possible to re-use irq_to_pending because it's required a VCPU and some call of the new function may during domain destruction after the VCPUs are freed. Signed-off-by: Julien Grall Acked-by: Ian Campbell --- xen/arch/arm/vgic.c | 7 +++++++ xen/include/asm-arm/vgic.h | 1 + 2 files changed, 8 insertions(+) diff --git a/xen/arch/arm/vgic.c b/xen/arch/arm/vgic.c index 0d30e2ca15..c1fa4bbd32 100644 --- a/xen/arch/arm/vgic.c +++ b/xen/arch/arm/vgic.c @@ -371,6 +371,13 @@ struct pending_irq *irq_to_pending(struct vcpu *v, unsigned int irq) return n; } +struct pending_irq *spi_to_pending(struct domain *d, unsigned int irq) +{ + ASSERT(irq >= NR_LOCAL_IRQS); + + return &d->arch.vgic.pending_irqs[irq - 32]; +} + void vgic_clear_pending_irqs(struct vcpu *v) { struct pending_irq *p, *t; diff --git a/xen/include/asm-arm/vgic.h b/xen/include/asm-arm/vgic.h index 647f2fee83..8d22532327 100644 --- a/xen/include/asm-arm/vgic.h +++ b/xen/include/asm-arm/vgic.h @@ -185,6 +185,7 @@ extern void vgic_vcpu_inject_irq(struct vcpu *v, unsigned int virq); extern void vgic_vcpu_inject_spi(struct domain *d, unsigned int virq); extern void vgic_clear_pending_irqs(struct vcpu *v); extern struct pending_irq *irq_to_pending(struct vcpu *v, unsigned int irq); +extern struct pending_irq *spi_to_pending(struct domain *d, unsigned int irq); extern struct vgic_irq_rank *vgic_rank_offset(struct vcpu *v, int b, int n, int s); extern struct vgic_irq_rank *vgic_rank_irq(struct vcpu *v, unsigned int irq); extern int vgic_emulate(struct cpu_user_regs *regs, union hsr hsr); -- 2.30.2