[PATCH v6 01/18] iommu/dma: Allow MSI-only cookies
From: joro@8bytes.org (Joerg Roedel)
Date: 2017-01-06 11:03:47
Also in:
kvm, linux-iommu, lkml
On Thu, Jan 05, 2017 at 07:04:29PM +0000, Eric Auger wrote:
struct iommu_dma_cookie {
- struct iova_domain iovad;
- struct list_head msi_page_list;
- spinlock_t msi_lock;
+ union {
+ struct iova_domain iovad;
+ dma_addr_t msi_iova;
+ };
+ struct list_head msi_page_list;
+ spinlock_t msi_lock;
+ enum iommu_dma_cookie_type type;Please move the type to the beginning of the struct and add a comment how the type relates to the union. Joerg