From patchwork Fri Jun 9 17:41:17 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andre Przywara X-Patchwork-Id: 9779017 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 98F48603B4 for ; Fri, 9 Jun 2017 17:44:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 86091286E0 for ; Fri, 9 Jun 2017 17:44:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7AB56286E7; Fri, 9 Jun 2017 17:44:10 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 21956286E2 for ; Fri, 9 Jun 2017 17:44:10 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dJNv3-0003Y3-SD; Fri, 09 Jun 2017 17:41:57 +0000 Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dJNv1-0003VR-W0 for xen-devel@lists.xenproject.org; Fri, 09 Jun 2017 17:41:56 +0000 Received: from [85.158.143.35] by server-6.bemta-6.messagelabs.com id 06/B0-03920-3EDDA395; Fri, 09 Jun 2017 17:41:55 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrGLMWRWlGSWpSXmKPExsVysyfVTffRXat Ig8XLjC2+b5nM5MDocfjDFZYAxijWzLyk/IoE1oz5S7YxFtzkrfh1tZ2tgfEpdxcjF4eQwGZG if7DDWwQznJGiaa314EcTg42AV2JHTdfM4PYIgKhEk8XfGcGKWIWuM4ocXrHfLAiYQE/iSPXd rCD2CwCqhLbXy0DKuLg4BWwllj7KgUkLCEgJ9Fw/j7YHE6g8LY9a8FahQSsJFoOXWafwMi9gJ FhFaN6cWpRWWqRrqFeUlFmekZJbmJmjq6hgZlebmpxcWJ6ak5iUrFecn7uJkagfxmAYAfjzud OhxglOZiURHmnFVhFCvEl5adUZiQWZ8QXleakFh9ilOHgUJLgfXUHKCdYlJqeWpGWmQMMNJi0 BAePkgjvi5NAad7igsTc4sx0iNQpRkUpcV4nYHgKCYAkMkrz4NpgwX2JUVZKmJcR6BAhnoLUo tzMElT5V4ziHIxKwrzOINt5MvNK4Ka/AlrMBLR4yTsLkMUliQgpqQbGPv33Z25eZrPpNRcsUH P//VutNCr0VVzOuapbmz/e3a94Jtc373/Nvpq09+v8HjHLugveuri7dkvPH0MHXv5LprzLZQ/ E/l9ZatPvoO3cIzvb64+Qs//XT4b1R8yM755eExXc/Yen8GnVBJPTJi4tcZsaI/bcjPklHTo5 cYVF3E0T2RYd+xwlluKMREMt5qLiRACp8JxfaQIAAA== X-Env-Sender: andre.przywara@arm.com X-Msg-Ref: server-7.tower-21.messagelabs.com!1497030114!73192762!1 X-Originating-IP: [217.140.101.70] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 9.4.19; banners=-,-,- X-VirusChecked: Checked Received: (qmail 38925 invoked from network); 9 Jun 2017 17:41:54 -0000 Received: from foss.arm.com (HELO foss.arm.com) (217.140.101.70) by server-7.tower-21.messagelabs.com with SMTP; 9 Jun 2017 17:41:54 -0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 242FF15BF; Fri, 9 Jun 2017 10:41:54 -0700 (PDT) Received: from e104803-lin.lan (unknown [10.1.207.46]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id D022D3F578; Fri, 9 Jun 2017 10:41:52 -0700 (PDT) From: Andre Przywara To: Julien Grall , Stefano Stabellini Date: Fri, 9 Jun 2017 18:41:17 +0100 Message-Id: <20170609174141.5068-11-andre.przywara@arm.com> X-Mailer: git-send-email 2.9.0 In-Reply-To: <20170609174141.5068-1-andre.przywara@arm.com> References: <20170609174141.5068-1-andre.przywara@arm.com> Cc: xen-devel@lists.xenproject.org, Vijaya Kumar K , Vijay Kilari , Shanker Donthineni , Manish Jaggi Subject: [Xen-devel] [PATCH v11 10/34] ARM: GIC: export and extend vgic_init_pending_irq() X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP For LPIs we later want to dynamically allocate struct pending_irqs. So beside needing to initialize the struct from there we also need to clean it up and re-initialize it later on. Export vgic_init_pending_irq() and extend it to be reusable. Signed-off-by: Andre Przywara Reviewed-by: Julien Grall --- xen/arch/arm/vgic.c | 4 +++- xen/include/asm-arm/vgic.h | 1 + 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/xen/arch/arm/vgic.c b/xen/arch/arm/vgic.c index 2e4820f..7e8dba6 100644 --- a/xen/arch/arm/vgic.c +++ b/xen/arch/arm/vgic.c @@ -60,8 +60,10 @@ struct vgic_irq_rank *vgic_rank_irq(struct vcpu *v, unsigned int irq) return vgic_get_rank(v, rank); } -static void vgic_init_pending_irq(struct pending_irq *p, unsigned int virq) +void vgic_init_pending_irq(struct pending_irq *p, unsigned int virq) { + memset(p, 0, sizeof(*p)); + INIT_LIST_HEAD(&p->inflight); INIT_LIST_HEAD(&p->lr_queue); p->irq = virq; diff --git a/xen/include/asm-arm/vgic.h b/xen/include/asm-arm/vgic.h index c9075a9..a59be6d 100644 --- a/xen/include/asm-arm/vgic.h +++ b/xen/include/asm-arm/vgic.h @@ -300,6 +300,7 @@ extern struct vcpu *vgic_get_target_vcpu(struct vcpu *v, unsigned int virq); 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 void vgic_init_pending_irq(struct pending_irq *p, unsigned int virq); 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);