From patchwork Fri Aug 21 00:24:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Gleixner X-Patchwork-Id: 11727339 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6BF2D138C for ; Fri, 21 Aug 2020 02:18:44 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 486B3207DE for ; Fri, 21 Aug 2020 02:18:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="CRPY34ws"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="Z1mwLj/m" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 486B3207DE Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linutronix.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1k8wc8-0002Kp-3C; Fri, 21 Aug 2020 02:17:08 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1k8wc6-0002BQ-Th for xen-devel@lists.xenproject.org; Fri, 21 Aug 2020 02:17:06 +0000 X-Inumbo-ID: b5483893-1ca4-4955-aca5-7511d8b3b4c5 Received: from galois.linutronix.de (unknown [193.142.43.55]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id b5483893-1ca4-4955-aca5-7511d8b3b4c5; Fri, 21 Aug 2020 02:16:50 +0000 (UTC) Message-Id: <20200821002946.199183502@linutronix.de> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1597976209; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: references:references; bh=LD6OVvQs2U2JxX8J9pridpcS80uuUDIg27lgsrj0jJs=; b=CRPY34wsllTNZMQTzfHmC/bLHmFNZXjHc+0vQh0jeY9ITWlQkym0opheyN3NRcJzqcHOHJ CHYIqTYZnqVkKhqquuh188LHjPQFzKMfNrO+snIxPPWKQHiLK+ffsxMsoZeHe/B7v7XYe1 cuX+NpQi1A5/Fn9vaxG6S4sQEy2wWp/f0oSqiYk8YMYh4elYHLer7qbYCPC3rl0B22A3VR IBhB65J+18B/Q+XGqIP+UGfvuxgjrDZI3JTqMOLBOAyMqwHK6lpU6ycapbGUGOhUJ344mt mOddcRhnigyA+N6yWvrsLa/OfC2BK/FfFxuYvQ3K4jmg3nZpKhQi+wwt8N0wTQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1597976209; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: references:references; bh=LD6OVvQs2U2JxX8J9pridpcS80uuUDIg27lgsrj0jJs=; b=Z1mwLj/mwBnb8I7ynjxugLR+zpH4uYwTS4gNXm22EbrWp72HpLuVIP3cf5+ahajpToHJme X3mObWebjp/vVZDA== Date: Fri, 21 Aug 2020 02:24:33 +0200 From: Thomas Gleixner To: LKML Cc: x86@kernel.org, Joerg Roedel , iommu@lists.linux-foundation.org, Lu Baolu , linux-hyperv@vger.kernel.org, Haiyang Zhang , Jon Derrick , Wei Liu , "K. Y. Srinivasan" , Stephen Hemminger , Steve Wahl , Dimitri Sivanich , Russ Anderson , linux-pci@vger.kernel.org, Bjorn Helgaas , Lorenzo Pieralisi , Jonathan Derrick , Konrad Rzeszutek Wilk , xen-devel@lists.xenproject.org, Juergen Gross , Boris Ostrovsky , Stefano Stabellini , Marc Zyngier , Greg Kroah-Hartman , "Rafael J. Wysocki" , Megha Dey , Jason Gunthorpe , Dave Jiang , Alex Williamson , Jacob Pan , Baolu Lu , Kevin Tian , Dan Williams Subject: [patch RFC 09/38] x86/msi: Consolidate HPET allocation References: <20200821002424.119492231@linutronix.de> MIME-Version: 1.0 Content-Disposition: inline; filename="x86-msi--Consolidate-HPET-allocation.patch" Content-transfer-encoding: 8-bit X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" None of the magic HPET fields are required in any way. Signed-off-by: Thomas Gleixner Cc: Joerg Roedel Cc: iommu@lists.linux-foundation.org Cc: Lu Baolu --- arch/x86/include/asm/hw_irq.h | 7 ------- arch/x86/kernel/apic/msi.c | 14 +++++++------- drivers/iommu/amd/iommu.c | 2 +- drivers/iommu/intel/irq_remapping.c | 4 ++-- 4 files changed, 10 insertions(+), 17 deletions(-) --- a/arch/x86/include/asm/hw_irq.h +++ b/arch/x86/include/asm/hw_irq.h @@ -65,13 +65,6 @@ struct irq_alloc_info { union { int unused; -#ifdef CONFIG_HPET_TIMER - struct { - int hpet_id; - int hpet_index; - void *hpet_data; - }; -#endif #ifdef CONFIG_PCI_MSI struct { struct pci_dev *msi_dev; --- a/arch/x86/kernel/apic/msi.c +++ b/arch/x86/kernel/apic/msi.c @@ -427,7 +427,7 @@ static struct irq_chip hpet_msi_controll static irq_hw_number_t hpet_msi_get_hwirq(struct msi_domain_info *info, msi_alloc_info_t *arg) { - return arg->hpet_index; + return arg->hwirq; } static int hpet_msi_init(struct irq_domain *domain, @@ -435,8 +435,8 @@ static int hpet_msi_init(struct irq_doma irq_hw_number_t hwirq, msi_alloc_info_t *arg) { irq_set_status_flags(virq, IRQ_MOVE_PCNTXT); - irq_domain_set_info(domain, virq, arg->hpet_index, info->chip, NULL, - handle_edge_irq, arg->hpet_data, "edge"); + irq_domain_set_info(domain, virq, arg->hwirq, info->chip, NULL, + handle_edge_irq, arg->data, "edge"); return 0; } @@ -477,7 +477,7 @@ struct irq_domain *hpet_create_irq_domai init_irq_alloc_info(&info, NULL); info.type = X86_IRQ_ALLOC_TYPE_HPET_GET_PARENT; - info.hpet_id = hpet_id; + info.devid = hpet_id; parent = irq_remapping_get_irq_domain(&info); if (parent == NULL) parent = x86_vector_domain; @@ -506,9 +506,9 @@ int hpet_assign_irq(struct irq_domain *d init_irq_alloc_info(&info, NULL); info.type = X86_IRQ_ALLOC_TYPE_HPET; - info.hpet_data = hc; - info.hpet_id = hpet_dev_id(domain); - info.hpet_index = dev_num; + info.data = hc; + info.devid = hpet_dev_id(domain); + info.hwirq = dev_num; return irq_domain_alloc_irqs(domain, 1, NUMA_NO_NODE, &info); } --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -3511,7 +3511,7 @@ static int get_devid(struct irq_alloc_in return get_ioapic_devid(info->ioapic_id); case X86_IRQ_ALLOC_TYPE_HPET: case X86_IRQ_ALLOC_TYPE_HPET_GET_PARENT: - return get_hpet_devid(info->hpet_id); + return get_hpet_devid(info->devid); case X86_IRQ_ALLOC_TYPE_PCI_MSI: case X86_IRQ_ALLOC_TYPE_PCI_MSIX: return get_device_id(&info->msi_dev->dev); --- a/drivers/iommu/intel/irq_remapping.c +++ b/drivers/iommu/intel/irq_remapping.c @@ -1115,7 +1115,7 @@ static struct irq_domain *intel_get_irq_ case X86_IRQ_ALLOC_TYPE_IOAPIC_GET_PARENT: return map_ioapic_to_ir(info->ioapic_id); case X86_IRQ_ALLOC_TYPE_HPET_GET_PARENT: - return map_hpet_to_ir(info->hpet_id); + return map_hpet_to_ir(info->devid); case X86_IRQ_ALLOC_TYPE_PCI_MSI: case X86_IRQ_ALLOC_TYPE_PCI_MSIX: return map_dev_to_ir(info->msi_dev); @@ -1285,7 +1285,7 @@ static void intel_irq_remapping_prepare_ case X86_IRQ_ALLOC_TYPE_PCI_MSI: case X86_IRQ_ALLOC_TYPE_PCI_MSIX: if (info->type == X86_IRQ_ALLOC_TYPE_HPET) - set_hpet_sid(irte, info->hpet_id); + set_hpet_sid(irte, info->devid); else set_msi_sid(irte, info->msi_dev);