Commit 31ed6dc2 authored by Eric Auger's avatar Eric Auger Committed by Zheng Zengkai
Browse files

vfio: Add new IRQ for DMA fault reporting 

virt inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I401IF


CVE: NA

------------------------------

Add a new IRQ type/subtype to get notification on nested
stage DMA faults.

Signed-off-by: default avatarEric Auger <eric.auger@redhat.com>
Signed-off-by: default avatarKunkun <Jiang&lt;jiangkunkun@huawei.com>
Reviewed-by: default avatarKeqian Zhu <zhukeqian1@huawei.com>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parent e3489f77

include/uapi/linux/vfio.h

+3 −0
Original line number Diff line number Diff line
@@ -733,6 +733,9 @@ struct vfio_irq_info_cap_type { 
	__u32 subtype;  /* type specific */

};



#define VFIO_IRQ_TYPE_NESTED				(1)

#define VFIO_IRQ_SUBTYPE_DMA_FAULT			(1)



/**

 * VFIO_DEVICE_SET_IRQS - _IOW(VFIO_TYPE, VFIO_BASE + 10, struct vfio_irq_set)

 *