diff options
Diffstat (limited to 'arch/powerpc/platforms/iseries/iommu.c')
| -rw-r--r-- | arch/powerpc/platforms/iseries/iommu.c | 24 |
1 files changed, 23 insertions, 1 deletions
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; |