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Commit bf56027f authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

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: default avatarThomas Gleixner <tglx@linutronix.de>
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: default avatarThomas Gleixner <tglx@linutronix.de>
parent 3bf17472

include/linux/dmar.h

+12 −0
Original line number Diff line number Diff line
@@ -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