From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 139C7C43331 for ; Fri, 3 Apr 2020 07:14:25 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id BCCAF2080C for ; Fri, 3 Apr 2020 07:14:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="HXinxUF1" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BCCAF2080C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvmarm-bounces@lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 76C5D4B19F; Fri, 3 Apr 2020 03:14:24 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Authentication-Results: mm01.cs.columbia.edu (amavisd-new); dkim=softfail (fail, message has been altered) header.i=@redhat.com Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Z6keaItpwBFE; Fri, 3 Apr 2020 03:14:23 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 72E9A4B195; Fri, 3 Apr 2020 03:14:23 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 948A84B187 for ; Fri, 3 Apr 2020 03:14:22 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id gV5PCy6MNXGF for ; Fri, 3 Apr 2020 03:14:21 -0400 (EDT) Received: from us-smtp-delivery-1.mimecast.com (us-smtp-2.mimecast.com [207.211.31.81]) by mm01.cs.columbia.edu (Postfix) with ESMTP id B74264B164 for ; Fri, 3 Apr 2020 03:14:20 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1585898060; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=aafjbtXSHBMixYKwM8RWXU8749gRXQWdvAvew/5369c=; b=HXinxUF1w6UxFsxbELpXs/OSv8veLHO306G8IGBSA42FekDdPQnA3KGPLRTUuJwvzt23Lw IyvqhDCJgDfLnJqjYEB9BDpLWhFI0kU9sEg1hYtnHMEqJhR9qsE9I3VO7yUZGyAt6N/szT OSD5qCjCHI30+huUVYMVHaBwsWuqmA4= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-375-v4Eu734rPNWjFwtx4ek6jA-1; Fri, 03 Apr 2020 03:14:19 -0400 X-MC-Unique: v4Eu734rPNWjFwtx4ek6jA-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 6F3FE8017F5; Fri, 3 Apr 2020 07:14:17 +0000 (UTC) Received: from laptop.redhat.com (ovpn-112-58.ams2.redhat.com [10.36.112.58]) by smtp.corp.redhat.com (Postfix) with ESMTP id A78A85C1C6; Fri, 3 Apr 2020 07:14:14 +0000 (UTC) From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, maz@kernel.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, qemu-devel@nongnu.org, qemu-arm@nongnu.org Subject: [kvm-unit-tests PATCH v4 11/12] arm: gic: Introduce gic_irq_set_clr_enable() helper Date: Fri, 3 Apr 2020 09:13:25 +0200 Message-Id: <20200403071326.29932-12-eric.auger@redhat.com> In-Reply-To: <20200403071326.29932-1-eric.auger@redhat.com> References: <20200403071326.29932-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Cc: andrew.murray@arm.com, andre.przywara@arm.com X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu Allows to set or clear the enable state of a PPI/SGI/SPI. Signed-off-by: Eric Auger --- --- lib/arm/asm/gic.h | 4 ++++ lib/arm/gic.c | 31 +++++++++++++++++++++++++++++++ 2 files changed, 35 insertions(+) diff --git a/lib/arm/asm/gic.h b/lib/arm/asm/gic.h index 922cbe9..57e81c6 100644 --- a/lib/arm/asm/gic.h +++ b/lib/arm/asm/gic.h @@ -82,5 +82,9 @@ extern void gic_ipi_send_single(int irq, int cpu); extern void gic_ipi_send_mask(int irq, const cpumask_t *dest); extern enum gic_irq_state gic_irq_state(int irq); +void gic_irq_set_clr_enable(int irq, bool enable); +#define gic_enable_irq(irq) gic_irq_set_clr_enable(irq, true); +#define gic_disable_irq(irq) gic_irq_set_clr_enable(irq, false); + #endif /* !__ASSEMBLY__ */ #endif /* _ASMARM_GIC_H_ */ diff --git a/lib/arm/gic.c b/lib/arm/gic.c index c3c5f6b..8a1a8c8 100644 --- a/lib/arm/gic.c +++ b/lib/arm/gic.c @@ -147,6 +147,36 @@ void gic_ipi_send_mask(int irq, const cpumask_t *dest) gic_common_ops->ipi_send_mask(irq, dest); } +void gic_irq_set_clr_enable(int irq, bool enable) +{ + u32 offset, split = 32, shift = (irq % 32); + u32 reg, mask = BIT(shift); + void *base; + + assert(irq < 1020); + + switch (gic_version()) { + case 2: + offset = enable ? GICD_ISENABLER : GICD_ICENABLER; + base = gicv2_dist_base(); + break; + case 3: + if (irq < 32) { + offset = enable ? GICR_ISENABLER0 : GICR_ICENABLER0; + base = gicv3_sgi_base(); + } else { + offset = enable ? GICD_ISENABLER : GICD_ICENABLER; + base = gicv3_dist_base(); + } + break; + default: + assert(0); + } + base += offset + (irq / split) * 4; + reg = readl(base); + writel(reg | mask, base); +} + enum gic_irq_state gic_irq_state(int irq) { enum gic_irq_state state; @@ -191,3 +221,4 @@ enum gic_irq_state gic_irq_state(int irq) return state; } + -- 2.20.1 _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm