From bf56027ff4d9e75bf668ae990fe6204d00a23002 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 9 Jun 2015 13:20:30 +0800 Subject: iommu: dmar: Provide helper to copy shared irte fields Instead of open coding, provide a helper function to copy the shared irte fields. Signed-off-by: Thomas Gleixner Cc: jiang.liu@linux.intel.com Cc: iommu@lists.linux-foundation.org Cc: joro@8bytes.org Cc: dwmw2@infradead.org Link: http://lkml.kernel.org/r/1433827237-3382-4-git-send-email-feng.wu@intel.com Signed-off-by: Thomas Gleixner --- include/linux/dmar.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'include/linux/dmar.h') diff --git a/include/linux/dmar.h b/include/linux/dmar.h index 0dbcabcb5f0d..e9bc9292bd3a 100644 --- a/include/linux/dmar.h +++ b/include/linux/dmar.h @@ -249,6 +249,18 @@ struct irte { }; }; +static inline void dmar_copy_shared_irte(struct irte *dst, struct irte *src) +{ + dst->present = src->present; + dst->fpd = src->fpd; + dst->avail = src->avail; + dst->pst = src->pst; + dst->vector = src->vector; + dst->sid = src->sid; + dst->sq = src->sq; + dst->svt = src->svt; +} + #define PDA_LOW_BIT 26 #define PDA_HIGH_BIT 32 -- cgit v1.2.3-59-g8ed1b