summaryrefslogtreecommitdiff
path: root/arch/powerpc/platforms/iseries/iommu.c
diff options
context:
space:
mode:
authorStephen Rothwell <sfr@canb.auug.org.au>2007-10-11 14:53:32 +1000
committerPaul Mackerras <paulus@samba.org>2007-10-11 20:40:45 +1000
commit1670b2b2716b98541765da94be1332ad5c314b7a (patch)
tree872def623a8b58907801001093a3350ae161395e /arch/powerpc/platforms/iseries/iommu.c
parent73be7d5267774b8fef1d83ebffc070cd090c4398 (diff)
[POWERPC] Remove iSeries_vio_dev
It was only being used to carry around dma_iommu_ops and vio_iommu_table which we can use directly instead. This also means that vio_bus_device doesn't need to refer to them either. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/platforms/iseries/iommu.c')
-rw-r--r--arch/powerpc/platforms/iseries/iommu.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/iseries/iommu.c b/arch/powerpc/platforms/iseries/iommu.c
index 3b6a9666c2c0..3281f10bbd16 100644
--- a/arch/powerpc/platforms/iseries/iommu.c
+++ b/arch/powerpc/platforms/iseries/iommu.c
@@ -28,6 +28,7 @@
#include <linux/dma-mapping.h>
#include <linux/list.h>
#include <linux/pci.h>
+#include <linux/module.h>
#include <asm/iommu.h>
#include <asm/tce.h>
@@ -36,6 +37,7 @@
#include <asm/prom.h>
#include <asm/pci-bridge.h>
#include <asm/iseries/hv_call_xm.h>
+#include <asm/iseries/hv_call_event.h>
#include <asm/iseries/iommu.h>
static void tce_build_iSeries(struct iommu_table *tbl, long index, long npages,
@@ -189,6 +191,34 @@ void iommu_devnode_init_iSeries(struct pci_dev *pdev, struct device_node *dn)
}
#endif
+extern struct iommu_table vio_iommu_table;
+
+void *iseries_hv_alloc(size_t size, dma_addr_t *dma_handle, gfp_t flag)
+{
+ return iommu_alloc_coherent(&vio_iommu_table, size, dma_handle,
+ DMA_32BIT_MASK, flag, -1);
+}
+EXPORT_SYMBOL_GPL(iseries_hv_alloc);
+
+void iseries_hv_free(size_t size, void *vaddr, dma_addr_t dma_handle)
+{
+ iommu_free_coherent(&vio_iommu_table, size, vaddr, dma_handle);
+}
+EXPORT_SYMBOL_GPL(iseries_hv_free);
+
+dma_addr_t iseries_hv_map(void *vaddr, size_t size,
+ enum dma_data_direction direction)
+{
+ return iommu_map_single(&vio_iommu_table, vaddr, size,
+ DMA_32BIT_MASK, direction);
+}
+
+void iseries_hv_unmap(dma_addr_t dma_handle, size_t size,
+ enum dma_data_direction direction)
+{
+ iommu_unmap_single(&vio_iommu_table, dma_handle, size, direction);
+}
+
void iommu_init_early_iSeries(void)
{
ppc_md.tce_build = tce_build_iSeries;