From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932997AbbBBIOF (ORCPT ); Mon, 2 Feb 2015 03:14:05 -0500 Received: from mga09.intel.com ([134.134.136.24]:3197 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932551AbbBBIOB (ORCPT ); Mon, 2 Feb 2015 03:14:01 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.09,505,1418112000"; d="scan'208";a="660196928" From: Feng Wu To: dwmw2@infradead.org, joro@8bytes.or Cc: jiang.liu@linux.intel.com, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Feng Wu Subject: [v4 1/8] iommu: Add new member capability to struct irq_remap_ops Date: Mon, 2 Feb 2015 16:01:47 +0800 Message-Id: <1422864114-19324-2-git-send-email-feng.wu@intel.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1422864114-19324-1-git-send-email-feng.wu@intel.com> References: <1422864114-19324-1-git-send-email-feng.wu@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds a new member capability to struct irq_remap_ops, this new function ops can be used to check whether some features are supported, such as VT-d Posted-Interrupts. Signed-off-by: Feng Wu Reviewed-by: Jiang Liu --- arch/x86/include/asm/irq_remapping.h | 4 ++++ drivers/iommu/irq_remapping.h | 3 +++ 2 files changed, 7 insertions(+), 0 deletions(-) diff --git a/arch/x86/include/asm/irq_remapping.h b/arch/x86/include/asm/irq_remapping.h index 6ba2431..f67ae08 100644 --- a/arch/x86/include/asm/irq_remapping.h +++ b/arch/x86/include/asm/irq_remapping.h @@ -31,6 +31,10 @@ struct irq_alloc_info; #ifdef CONFIG_IRQ_REMAP +enum irq_remap_cap { + IRQ_POSTING_CAP = 0, +}; + extern void setup_irq_remapping_ops(void); extern int irq_remapping_supported(void); extern void set_irq_remapping_broken(void); diff --git a/drivers/iommu/irq_remapping.h b/drivers/iommu/irq_remapping.h index 4bd791d..69b2a1c 100644 --- a/drivers/iommu/irq_remapping.h +++ b/drivers/iommu/irq_remapping.h @@ -36,6 +36,9 @@ extern int no_x2apic_optout; extern int irq_remapping_enabled; struct irq_remap_ops { + /* The supported capabilites */ + int capability; + /* Check whether Interrupt Remapping is supported */ int (*supported)(void); -- 1.7.1