From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757803Ab2I1M1E (ORCPT ); Fri, 28 Sep 2012 08:27:04 -0400 Received: from va3ehsobe010.messaging.microsoft.com ([216.32.180.30]:48745 "EHLO va3outboundpool.messaging.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757721Ab2I1MYS (ORCPT ); Fri, 28 Sep 2012 08:24:18 -0400 X-Forefront-Antispam-Report: CIP:163.181.249.109;KIP:(null);UIP:(null);IPV:NLI;H:ausb3twp02.amd.com;RD:none;EFVD:NLI X-SpamScore: 1 X-BigFish: VPS1(zzd6f1izz1202h1d1ah1d2ahzz8275bhz2dh668h839hd24he5bhf0ah11b5h121eh1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1155h) X-WSS-ID: 0MB27S9-02-8LA-02 X-M-MSG: From: Joerg Roedel To: , CC: Joerg Roedel Subject: [PATCH 11/16] iommu/amd: Add call-back routine for HPET MSI Date: Fri, 28 Sep 2012 14:24:01 +0200 Message-ID: <1348835046-3262-12-git-send-email-joerg.roedel@amd.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1348835046-3262-1-git-send-email-joerg.roedel@amd.com> References: <1348835046-3262-1-git-send-email-joerg.roedel@amd.com> MIME-Version: 1.0 Content-Type: text/plain X-OriginatorOrg: amd.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add a routine to setup a HPET MSI interrupt for remapping. Signed-off-by: Joerg Roedel --- drivers/iommu/amd_iommu.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 84efecd..af245f4 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -4200,4 +4200,30 @@ static int msi_setup_irq(struct pci_dev *pdev, unsigned int irq, return 0; } +static int setup_hpet_msi(unsigned int irq, unsigned int id) +{ + struct irq_2_iommu *irte_info; + struct irq_cfg *cfg; + int index, devid; + + cfg = irq_get_chip_data(irq); + if (!cfg) + return -EINVAL; + + irte_info = &cfg->irq_2_iommu; + devid = get_hpet_devid(id); + if (devid < 0) + return devid; + + index = alloc_irq_index(cfg, devid, 1); + if (index < 0) + return index; + + irte_info->sub_handle = devid; + irte_info->irte_index = index; + irte_info->iommu = (void *)cfg; + + return 0; +} + #endif -- 1.7.9.5