From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755070Ab2HGPoU (ORCPT ); Tue, 7 Aug 2012 11:44:20 -0400 Received: from ch1ehsobe005.messaging.microsoft.com ([216.32.181.185]:51255 "EHLO ch1outboundpool.messaging.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754513Ab2HGPoK (ORCPT ); Tue, 7 Aug 2012 11:44:10 -0400 X-Forefront-Antispam-Report: CIP:163.181.249.108;KIP:(null);UIP:(null);IPV:NLI;H:ausb3twp01.amd.com;RD:none;EFVD:NLI X-SpamScore: 0 X-BigFish: VPS0(zzzz1202hzz8275bhz2dh668h839hd24he5bhf0ah) X-WSS-ID: 0M8E6DI-01-1YV-02 X-M-MSG: From: Joerg Roedel To: CC: Suresh Siddha , Yinghai Lu , , Joerg Roedel Subject: [PATCH 12/19] x86, irq: Add data structure to keep AMD specific irq remapping information Date: Tue, 7 Aug 2012 17:43:42 +0200 Message-ID: <1344354229-8526-13-git-send-email-joerg.roedel@amd.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1344354229-8526-1-git-send-email-joerg.roedel@amd.com> References: <1344354229-8526-1-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 data structure to store information the IOMMU driver can use to get from a 'struct irq_cfg' to the remapping entry. Signed-off-by: Joerg Roedel --- arch/x86/include/asm/hw_irq.h | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h index 669db90..465c855 100644 --- a/arch/x86/include/asm/hw_irq.h +++ b/arch/x86/include/asm/hw_irq.h @@ -101,6 +101,7 @@ static inline void set_io_apic_irq_attr(struct io_apic_irq_attr *irq_attr, irq_attr->polarity = polarity; } +/* Intel specific interrupt remapping information */ struct irq_2_iommu { struct intel_iommu *iommu; u16 irte_index; @@ -108,6 +109,12 @@ struct irq_2_iommu { u8 irte_mask; }; +/* AMD specific interrupt remapping information */ +struct irq_2_irte { + u16 devid; /* Device ID for IRTE table */ + u16 index; /* Index into IRTE table*/ +}; + /* * This is performance-critical, we want to do it O(1) * @@ -120,7 +127,10 @@ struct irq_cfg { u8 vector; u8 move_in_progress : 1; #ifdef CONFIG_IRQ_REMAP - struct irq_2_iommu irq_2_iommu; + union { + struct irq_2_iommu irq_2_iommu; + struct irq_2_irte irq_2_irte; + }; #endif }; -- 1.7.9.5