From patchwork Sat Oct 24 21:35:24 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Woodhouse X-Patchwork-Id: 11855019 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=unavailable 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 5AEE8C55178 for ; Sat, 24 Oct 2020 21:37:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1F0E22226B for ; Sat, 24 Oct 2020 21:37:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="CgD2OtSg" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764889AbgJXVhM (ORCPT ); Sat, 24 Oct 2020 17:37:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33904 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1764740AbgJXVfx (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 26424C0613E4; 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=DBXQeOdNuSbK9uNqJUHpNvc0pB1QrhBTIryIhIif25g=; b=CgD2OtSg5phvJF0lzasncrO8uK xA3V4sVprblWZiPp63cQPaMPcYuLnJGTih31/fVNFD1rH+tIIRwvVaPEG1LvZ5nllrQ4EcQpOvLUR ceZy7a+JEuxUda0Q4m+WCpk78ZgOvQoDs9GnJfNdjUKuD9aJebLjkCl9LjpzBP9/T4wdJGePVbaJW dg/UhMqKHT287Dbnj1d5E8ewf+s8+XRKjlEk5khlLpraUmK+PIjYTuEtCu3EoKK0tPU6hkrzdQ62U RP58JV+MMOm6BNkIvg2mqE0h6s9X9HcC4qZnFzePZ1PXXfLyOKwsbhETxfoepVki0OSGjBjBZIFj+ Wge9wkrw==; 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-0006HH-Ne; 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-001rP8-8j; 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 24/35] iommu/amd: Implement select() method on remapping irqdomain Date: Sat, 24 Oct 2020 22:35:24 +0100 Message-Id: <20201024213535.443185-25-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 change to remove irq_remapping_get_irq_domain(). Signed-off-by: David Woodhouse Signed-off-by: Thomas Gleixner --- drivers/iommu/amd/iommu.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c index 9744cdbefd88..31b22244e9c2 100644 --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -3882,7 +3882,26 @@ static void irq_remapping_deactivate(struct irq_domain *domain, irte_info->index); } +static int irq_remapping_select(struct irq_domain *d, struct irq_fwspec *fwspec, + enum irq_domain_bus_token bus_token) +{ + struct amd_iommu *iommu; + int devid = -1; + + if (x86_fwspec_is_ioapic(fwspec)) + devid = get_ioapic_devid(fwspec->param[0]); + else if (x86_fwspec_is_hpet(fwspec)) + devid = get_hpet_devid(fwspec->param[0]); + + if (devid < 0) + return 0; + + iommu = amd_iommu_rlookup_table[devid]; + return iommu && iommu->ir_domain == d; +} + static const struct irq_domain_ops amd_ir_domain_ops = { + .select = irq_remapping_select, .alloc = irq_remapping_alloc, .free = irq_remapping_free, .activate = irq_remapping_activate,