From patchwork Fri Apr 26 18:30:11 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Graf X-Patchwork-Id: 239952 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id EBECF2C011B for ; Sat, 27 Apr 2013 04:32:57 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932090Ab3DZScm (ORCPT ); Fri, 26 Apr 2013 14:32:42 -0400 Received: from cantor2.suse.de ([195.135.220.15]:39423 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757257Ab3DZSaq (ORCPT ); Fri, 26 Apr 2013 14:30:46 -0400 Received: from relay1.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 2C6AF5E000228; Fri, 26 Apr 2013 20:30:39 +0200 (CEST) From: Alexander Graf To: kvm-ppc@vger.kernel.org Cc: "kvm@vger.kernel.org mailing list" , Marcelo Tosatti , Gleb Natapov Subject: [PATCH 16/42] KVM: Add KVM_IRQCHIP_NUM_PINS in addition to KVM_IOAPIC_NUM_PINS Date: Fri, 26 Apr 2013 20:30:11 +0200 Message-Id: <1367001037-10394-38-git-send-email-agraf@suse.de> X-Mailer: git-send-email 1.6.0.2 In-Reply-To: <1367001037-10394-1-git-send-email-agraf@suse.de> References: <1367001037-10394-1-git-send-email-agraf@suse.de> Sender: kvm-ppc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm-ppc@vger.kernel.org The concept of routing interrupt lines to an irqchip is nothing that is IOAPIC specific. Every irqchip has a maximum number of pins that can be linked to irq lines. So let's add a new define that allows us to reuse generic code for non-IOAPIC platforms. Signed-off-by: Alexander Graf Acked-by: Michael S. Tsirkin --- arch/x86/include/asm/kvm_host.h | 2 ++ include/linux/kvm_host.h | 2 +- virt/kvm/irq_comm.c | 2 +- 3 files changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 18635ae..14337fa 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -43,6 +43,8 @@ #define KVM_PIO_PAGE_OFFSET 1 #define KVM_COALESCED_MMIO_PAGE_OFFSET 2 +#define KVM_IRQCHIP_NUM_PINS KVM_IOAPIC_NUM_PINS + #define CR0_RESERVED_BITS \ (~(unsigned long)(X86_CR0_PE | X86_CR0_MP | X86_CR0_EM | X86_CR0_TS \ | X86_CR0_ET | X86_CR0_NE | X86_CR0_WP | X86_CR0_AM \ diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 93a5005..bf3b1dc 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -307,7 +307,7 @@ struct kvm_kernel_irq_routing_entry { #ifdef __KVM_HAVE_IOAPIC struct kvm_irq_routing_table { - int chip[KVM_NR_IRQCHIPS][KVM_IOAPIC_NUM_PINS]; + int chip[KVM_NR_IRQCHIPS][KVM_IRQCHIP_NUM_PINS]; struct kvm_kernel_irq_routing_entry *rt_entries; u32 nr_rt_entries; /* diff --git a/virt/kvm/irq_comm.c b/virt/kvm/irq_comm.c index 25ab480..7c0071d 100644 --- a/virt/kvm/irq_comm.c +++ b/virt/kvm/irq_comm.c @@ -480,7 +480,7 @@ int kvm_set_irq_routing(struct kvm *kvm, new->nr_rt_entries = nr_rt_entries; for (i = 0; i < 3; i++) - for (j = 0; j < KVM_IOAPIC_NUM_PINS; j++) + for (j = 0; j < KVM_IRQCHIP_NUM_PINS; j++) new->chip[i][j] = -1; for (i = 0; i < nr; ++i) {