forge/linux-pinenote
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Driver core: Add iommu_ops to bus_type

Browse source 
This is the starting point to make the iommu_ops used for
the iommu-api a per-bus-type structure. It is required to
easily implement bus-specific setup in the iommu-layer.
The first user will be the iommu-group attribute in sysfs.

Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
This commit is contained in:
Joerg Roedel 2011-08-26 16:48:26 +02:00
parent 39d4ebb959
commit ff21776d12
3 changed files with 39 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

2
include/linux/iommu.h
View file

@ -25,6 +25,7 @@
#define IOMMU_WRITE (2)
#define IOMMU_CACHE (4) /* DMA cache coherency */
struct bus_type;
struct device;
struct iommu_domain {
@ -52,6 +53,7 @@ struct iommu_ops {
};
extern void register_iommu(struct iommu_ops *ops);
extern int bus_set_iommu(struct bus_type *bus, struct iommu_ops *ops);
extern bool iommu_found(void);
extern struct iommu_domain *iommu_domain_alloc(void);
extern void iommu_domain_free(struct iommu_domain *domain);