diff options
| author | Joerg Roedel <joerg.roedel@amd.com> | 2011-09-06 16:03:26 +0200 |
|---|---|---|
| committer | Hiroshi DOYU <hdoyu@nvidia.com> | 2012-01-23 11:11:35 +0200 |
| commit | 78062e1936961716a272b3c30bf5db231300dffa (patch) | |
| tree | 53b303610e6be1dc90fd7abdad6a05aa4eafd54c /drivers/iommu/iommu.c | |
| parent | d27fe92f870a09254674a6b6a4f32a7725238248 (diff) | |
iommu/core: Add bus_type parameter to iommu_domain_alloc
This is necessary to store a pointer to the bus-specific
iommu_ops in the iommu-domain structure. It will be used
later to call into bus-specific iommu-ops.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Conflicts:
drivers/iommu/iommu.c
Change-Id: Iddbd561739552b663a4be293f1992314eb0f775a
Diffstat (limited to 'drivers/iommu/iommu.c')
| -rw-r--r-- | drivers/iommu/iommu.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index d095c33c0e51..ff3e3e7d575e 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -16,6 +16,7 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#include <linux/device.h> #include <linux/kernel.h> #include <linux/bug.h> #include <linux/types.h> @@ -91,15 +92,26 @@ void iommu_set_fault_handler(struct iommu_domain *domain, } EXPORT_SYMBOL_GPL(iommu_set_fault_handler); -struct iommu_domain *iommu_domain_alloc(void) +struct iommu_domain *iommu_domain_alloc(struct bus_type *bus) { struct iommu_domain *domain; + struct iommu_ops *ops; int ret; + if (bus->iommu_ops) + ops = bus->iommu_ops; + else + ops = iommu_ops; + + if (ops == NULL) + return NULL; + domain = kmalloc(sizeof(*domain), GFP_KERNEL); if (!domain) return NULL; + domain->ops = ops; + ret = iommu_ops->domain_init(domain); if (ret) goto out_free; |