From patchwork Sat Oct 24 21:35:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Woodhouse X-Patchwork-Id: 11855013 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=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 66053C55178 for ; Sat, 24 Oct 2020 21:36:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2983D223AE for ; Sat, 24 Oct 2020 21:36:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="FV/MKaIf" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764745AbgJXVgw (ORCPT ); Sat, 24 Oct 2020 17:36:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33928 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1764743AbgJXVfx (ORCPT ); Sat, 24 Oct 2020 17:35:53 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A29A7C0613E8; Sat, 24 Oct 2020 14:35:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Sender:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description; bh=6P1gD3McCWLKUcPiphzF+N95ogeT6kA1l9xHdYtAzL0=; b=FV/MKaIfnNXwdfiHABneg7LCOK omQdF5Q9WzrGJpb7RZrw2x8VLMMexc8EKTK6meXdVhoi/3uXo76LQj5UNua62ZqzyBvEbykhsuzfr ew1+HYGrKD/Fv+8DZbahucFtwlLHPS7v3cl4bkS0fkWNWRN6EVK0Sc9UqmxR+bmtS01PSe4eN3jyw HCPWqzAWpMUMYQda9+i5YzxufcZW/Yjr9jqxOxJlz3s3fWM3tScP+dnK69kzn7gcKyx+xCXNHZCA7 MS46NIfRmVeEQdcfsfKN8NUeyXBZi/K69D6Vlwp1cmm2+raZ/4yOPijk6mhy0upXmoFgetGiTi712 9A7voY1A==; Received: from i7.infradead.org ([2001:8b0:10b:1:21e:67ff:fecb:7a92]) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kWRCS-0006HJ-Pa; Sat, 24 Oct 2020 21:35:47 +0000 Received: from dwoodhou by i7.infradead.org with local (Exim 4.93 #3 (Red Hat Linux)) id 1kWRCN-001rPG-AF; Sat, 24 Oct 2020 22:35:39 +0100 From: David Woodhouse To: x86@kernel.org Cc: kvm , iommu@lists.linux-foundation.org, joro@8bytes.org, Thomas Gleixner , Paolo Bonzini , linux-kernel , linux-hyperv@vger.kernel.org, maz@misterjones.org, Dexuan Cui Subject: [PATCH v3 26/35] iommu/hyper-v: Implement select() method on remapping irqdomain Date: Sat, 24 Oct 2020 22:35:26 +0100 Message-Id: <20201024213535.443185-27-dwmw2@infradead.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201024213535.443185-1-dwmw2@infradead.org> References: <20201024213535.443185-1-dwmw2@infradead.org> MIME-Version: 1.0 Sender: David Woodhouse X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: David Woodhouse Preparatory for removing irq_remapping_get_irq_domain() Signed-off-by: David Woodhouse Signed-off-by: Thomas Gleixner --- drivers/iommu/hyperv-iommu.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/iommu/hyperv-iommu.c b/drivers/iommu/hyperv-iommu.c index 37dd485a5640..78a264ad9405 100644 --- a/drivers/iommu/hyperv-iommu.c +++ b/drivers/iommu/hyperv-iommu.c @@ -101,7 +101,16 @@ static void hyperv_irq_remapping_free(struct irq_domain *domain, irq_domain_free_irqs_common(domain, virq, nr_irqs); } +static int hyperv_irq_remapping_select(struct irq_domain *d, + struct irq_fwspec *fwspec, + enum irq_domain_bus_token bus_token) +{ + /* Claim only the first (and only) I/OAPIC */ + return x86_fwspec_is_ioapic(fwspec) && fwspec->param[0] == 0; +} + static const struct irq_domain_ops hyperv_ir_domain_ops = { + .select = hyperv_irq_remapping_select, .alloc = hyperv_irq_remapping_alloc, .free = hyperv_irq_remapping_free, };