From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andre Przywara Subject: [PATCH v2 52/54] KVM: arm/arm64: vgic-new: Wire up irqfd injection Date: Thu, 28 Apr 2016 17:46:11 +0100 Message-ID: <1461861973-26464-53-git-send-email-andre.przywara@arm.com> References: <1461861973-26464-1-git-send-email-andre.przywara@arm.com> Cc: Eric Auger , kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org To: Marc Zyngier , Christoffer Dall Return-path: Received: from foss.arm.com ([217.140.101.70]:45392 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753064AbcD1QrP (ORCPT ); Thu, 28 Apr 2016 12:47:15 -0400 In-Reply-To: <1461861973-26464-1-git-send-email-andre.przywara@arm.com> Sender: kvm-owner@vger.kernel.org List-ID: Connect to the new VGIC to the irqfd framework, so that we can inject IRQs. GSI routing and MSI routing is not yet implemented. Signed-off-by: Andre Przywara --- virt/kvm/arm/vgic/vgic-irqfd.c | 52 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 virt/kvm/arm/vgic/vgic-irqfd.c diff --git a/virt/kvm/arm/vgic/vgic-irqfd.c b/virt/kvm/arm/vgic/vgic-irqfd.c new file mode 100644 index 0000000..c675513 --- /dev/null +++ b/virt/kvm/arm/vgic/vgic-irqfd.c @@ -0,0 +1,52 @@ +/* + * Copyright (C) 2015, 2016 ARM Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include +#include +#include + +int kvm_irq_map_gsi(struct kvm *kvm, + struct kvm_kernel_irq_routing_entry *entries, + int gsi) +{ + return 0; +} + +int kvm_irq_map_chip_pin(struct kvm *kvm, unsigned int irqchip, + unsigned int pin) +{ + return pin; +} + +int kvm_set_irq(struct kvm *kvm, int irq_source_id, + u32 irq, int level, bool line_status) +{ + unsigned int spi = irq + VGIC_NR_PRIVATE_IRQS; + + trace_kvm_set_irq(irq, level, irq_source_id); + + BUG_ON(!vgic_initialized(kvm)); + + return kvm_vgic_inject_irq(kvm, 0, spi, level); +} + +/* MSI not implemented yet */ +int kvm_set_msi(struct kvm_kernel_irq_routing_entry *e, + struct kvm *kvm, int irq_source_id, + int level, bool line_status) +{ + return 0; +} -- 2.7.3