From mboxrd@z Thu Jan 1 00:00:00 1970 From: Feng Wu Subject: [v4 2/8] iommu, x86: Define new irte structure for VT-d Posted-Interrupts Date: Mon, 2 Feb 2015 16:06:58 +0800 Message-ID: <1422864424-19411-3-git-send-email-feng.wu@intel.com> References: <1422864424-19411-1-git-send-email-feng.wu@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1422864424-19411-1-git-send-email-feng.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org, joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, jiang.liu-VuQAYsv1563Yd54FQh9/CA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: iommu@lists.linux-foundation.org Add a new irte_pi structure for VT-d Posted-Interrupts. Signed-off-by: Feng Wu Reviewed-by: Jiang Liu Acked-by: David Woodhouse --- include/linux/dmar.h | 32 ++++++++++++++++++++++++++++++++ 1 files changed, 32 insertions(+), 0 deletions(-) diff --git a/include/linux/dmar.h b/include/linux/dmar.h index 8473756..c7f9cda 100644 --- a/include/linux/dmar.h +++ b/include/linux/dmar.h @@ -212,6 +212,38 @@ struct irte { }; }; +struct irte_pi { + union { + struct { + __u64 present : 1, + fpd : 1, + __reserved_1 : 6, + avail : 4, + __reserved_2 : 2, + urg : 1, + pst : 1, + vector : 8, + __reserved_3 : 14, + pda_l : 26; + }; + __u64 low; + }; + + union { + struct { + __u64 sid : 16, + sq : 2, + svt : 2, + __reserved_4 : 12, + pda_h : 32; + }; + __u64 high; + }; +}; + +#define PDA_LOW_BIT 26 +#define PDA_HIGH_BIT 32 + enum { IRQ_REMAP_XAPIC_MODE, IRQ_REMAP_X2APIC_MODE, -- 1.7.1