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-rw-r--r--arch/powerpc/kernel/vio.c78
-rw-r--r--arch/powerpc/platforms/iseries/iommu.c24
-rw-r--r--include/asm-powerpc/iseries/iommu.h4
3 files changed, 52 insertions, 54 deletions
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index eaf7f6992a2..b7c9e44ef18 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -48,61 +48,33 @@ static struct vio_dev vio_bus_device = { /* fake "parent" device */
.dev.bus = &vio_bus_type,
};
-#ifdef CONFIG_PPC_ISERIES
-static struct iommu_table veth_iommu_table;
-struct iommu_table vio_iommu_table;
-
-static void __init iommu_vio_init(void)
-{
- iommu_table_getparms_iSeries(255, 0, 0xff, &veth_iommu_table);
- veth_iommu_table.it_size /= 2;
- vio_iommu_table = veth_iommu_table;
- vio_iommu_table.it_offset += veth_iommu_table.it_size;
-
- if (!iommu_init_table(&veth_iommu_table, -1))
- printk("Virtual Bus VETH TCE table failed.\n");
- if (!iommu_init_table(&vio_iommu_table, -1))
- printk("Virtual Bus VIO TCE table failed.\n");
-}
-#else
-static void __init iommu_vio_init(void)
-{
-}
-#endif
-
static struct iommu_table *vio_build_iommu_table(struct vio_dev *dev)
{
-#ifdef CONFIG_PPC_ISERIES
- if (firmware_has_feature(FW_FEATURE_ISERIES)) {
- if (strcmp(dev->type, "network") == 0)
- return &veth_iommu_table;
- return &vio_iommu_table;
- } else
-#endif
- {
- const unsigned char *dma_window;
- struct iommu_table *tbl;
- unsigned long offset, size;
-
- dma_window = of_get_property(dev->dev.archdata.of_node,
- "ibm,my-dma-window", NULL);
- if (!dma_window)
- return NULL;
-
- tbl = kmalloc(sizeof(*tbl), GFP_KERNEL);
-
- of_parse_dma_window(dev->dev.archdata.of_node, dma_window,
- &tbl->it_index, &offset, &size);
-
- /* TCE table size - measured in tce entries */
- tbl->it_size = size >> IOMMU_PAGE_SHIFT;
- /* offset for VIO should always be 0 */
- tbl->it_offset = offset >> IOMMU_PAGE_SHIFT;
- tbl->it_busno = 0;
- tbl->it_type = TCE_VB;
-
- return iommu_init_table(tbl, -1);
- }
+ const unsigned char *dma_window;
+ struct iommu_table *tbl;
+ unsigned long offset, size;
+
+ if (firmware_has_feature(FW_FEATURE_ISERIES))
+ return vio_build_iommu_table_iseries(dev);
+
+ dma_window = of_get_property(dev->dev.archdata.of_node,
+ "ibm,my-dma-window", NULL);
+ if (!dma_window)
+ return NULL;
+
+ tbl = kmalloc(sizeof(*tbl), GFP_KERNEL);
+
+ of_parse_dma_window(dev->dev.archdata.of_node, dma_window,
+ &tbl->it_index, &offset, &size);
+
+ /* TCE table size - measured in tce entries */
+ tbl->it_size = size >> IOMMU_PAGE_SHIFT;
+ /* offset for VIO should always be 0 */
+ tbl->it_offset = offset >> IOMMU_PAGE_SHIFT;
+ tbl->it_busno = 0;
+ tbl->it_type = TCE_VB;
+
+ return iommu_init_table(tbl, -1);
}
/**
diff --git a/arch/powerpc/platforms/iseries/iommu.c b/arch/powerpc/platforms/iseries/iommu.c
index 3281f10bbd1..49e9c664ea8 100644
--- a/arch/powerpc/platforms/iseries/iommu.c
+++ b/arch/powerpc/platforms/iseries/iommu.c
@@ -31,6 +31,7 @@
#include <linux/module.h>
#include <asm/iommu.h>
+#include <asm/vio.h>
#include <asm/tce.h>
#include <asm/machdep.h>
#include <asm/abs_addr.h>
@@ -191,7 +192,8 @@ void iommu_devnode_init_iSeries(struct pci_dev *pdev, struct device_node *dn)
}
#endif
-extern struct iommu_table vio_iommu_table;
+static struct iommu_table veth_iommu_table;
+static struct iommu_table vio_iommu_table;
void *iseries_hv_alloc(size_t size, dma_addr_t *dma_handle, gfp_t flag)
{
@@ -219,6 +221,26 @@ void iseries_hv_unmap(dma_addr_t dma_handle, size_t size,
iommu_unmap_single(&vio_iommu_table, dma_handle, size, direction);
}
+void __init iommu_vio_init(void)
+{
+ iommu_table_getparms_iSeries(255, 0, 0xff, &veth_iommu_table);
+ veth_iommu_table.it_size /= 2;
+ vio_iommu_table = veth_iommu_table;
+ vio_iommu_table.it_offset += veth_iommu_table.it_size;
+
+ if (!iommu_init_table(&veth_iommu_table, -1))
+ printk("Virtual Bus VETH TCE table failed.\n");
+ if (!iommu_init_table(&vio_iommu_table, -1))
+ printk("Virtual Bus VIO TCE table failed.\n");
+}
+
+struct iommu_table *vio_build_iommu_table_iseries(struct vio_dev *dev)
+{
+ if (strcmp(dev->type, "network") == 0)
+ return &veth_iommu_table;
+ return &vio_iommu_table;
+}
+
void iommu_init_early_iSeries(void)
{
ppc_md.tce_build = tce_build_iSeries;
diff --git a/include/asm-powerpc/iseries/iommu.h b/include/asm-powerpc/iseries/iommu.h
index 6e323a13ac3..c59ee7e4bed 100644
--- a/include/asm-powerpc/iseries/iommu.h
+++ b/include/asm-powerpc/iseries/iommu.h
@@ -22,6 +22,7 @@
*/
struct pci_dev;
+struct vio_dev;
struct device_node;
struct iommu_table;
@@ -34,4 +35,7 @@ extern void iommu_table_getparms_iSeries(unsigned long busno,
unsigned char slotno, unsigned char virtbus,
struct iommu_table *tbl);
+extern struct iommu_table *vio_build_iommu_table_iseries(struct vio_dev *dev);
+extern void iommu_vio_init(void);
+
#endif /* _ASM_POWERPC_ISERIES_IOMMU_H */