#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/highmem.h> /* pte_offset_map => kmap_atomic */
+#include <linux/scatterlist.h>
-#include <asm/scatterlist.h>
#include <asm/pgalloc.h>
#include <asm/pgtable.h>
#include <asm/sbus.h>
impl, vers, iommu->page_table,
(int)(IOMMU_NPTES*sizeof(iopte_t)), (int)IOMMU_NPTES);
- sbus->iommu = iommu;
+ sbus->ofdev.dev.archdata.iommu = iommu;
}
/* This begs to be btfixup-ed by srmmu. */
static u32 iommu_get_one(struct page *page, int npages, struct sbus_bus *sbus)
{
- struct iommu_struct *iommu = sbus->iommu;
+ struct iommu_struct *iommu = sbus->ofdev.dev.archdata.iommu;
int ioptex;
iopte_t *iopte, *iopte0;
unsigned int busa, busa0;
while (sz != 0) {
--sz;
n = (sg->length + sg->offset + PAGE_SIZE-1) >> PAGE_SHIFT;
- sg->dvma_address = iommu_get_one(sg->page, n, sbus) + sg->offset;
+ sg->dvma_address = iommu_get_one(sg_page(sg), n, sbus) + sg->offset;
sg->dvma_length = (__u32) sg->length;
- sg++;
+ sg = sg_next(sg);
}
}
while (sz != 0) {
--sz;
n = (sg->length + sg->offset + PAGE_SIZE-1) >> PAGE_SHIFT;
- sg->dvma_address = iommu_get_one(sg->page, n, sbus) + sg->offset;
+ sg->dvma_address = iommu_get_one(sg_page(sg), n, sbus) + sg->offset;
sg->dvma_length = (__u32) sg->length;
- sg++;
+ sg = sg_next(sg);
}
}
* XXX Is this a good assumption?
* XXX What if someone else unmaps it here and races us?
*/
- if ((page = (unsigned long) page_address(sg->page)) != 0) {
+ if ((page = (unsigned long) page_address(sg_page(sg))) != 0) {
for (i = 0; i < n; i++) {
if (page != oldpage) { /* Already flushed? */
flush_page_for_dma(page);
}
}
- sg->dvma_address = iommu_get_one(sg->page, n, sbus) + sg->offset;
+ sg->dvma_address = iommu_get_one(sg_page(sg), n, sbus) + sg->offset;
sg->dvma_length = (__u32) sg->length;
- sg++;
+ sg = sg_next(sg);
}
}
static void iommu_release_one(u32 busa, int npages, struct sbus_bus *sbus)
{
- struct iommu_struct *iommu = sbus->iommu;
+ struct iommu_struct *iommu = sbus->ofdev.dev.archdata.iommu;
int ioptex;
int i;
n = (sg->length + sg->offset + PAGE_SIZE-1) >> PAGE_SHIFT;
iommu_release_one(sg->dvma_address & PAGE_MASK, n, sbus);
sg->dvma_address = 0x21212121;
- sg++;
+ sg = sg_next(sg);
}
}
unsigned long addr, int len)
{
unsigned long page, end;
- struct iommu_struct *iommu = sbus_root->iommu;
+ struct iommu_struct *iommu = sbus_root->ofdev.dev.archdata.iommu;
iopte_t *iopte = iommu->page_table;
iopte_t *first;
int ioptex;
static void iommu_unmap_dma_area(unsigned long busa, int len)
{
- struct iommu_struct *iommu = sbus_root->iommu;
+ struct iommu_struct *iommu = sbus_root->ofdev.dev.archdata.iommu;
iopte_t *iopte = iommu->page_table;
unsigned long end;
int ioptex = (busa - iommu->start) >> PAGE_SHIFT;
static struct page *iommu_translate_dvma(unsigned long busa)
{
- struct iommu_struct *iommu = sbus_root->iommu;
+ struct iommu_struct *iommu = sbus_root->ofdev.dev.archdata.iommu;
iopte_t *iopte = iommu->page_table;
iopte += ((busa - iommu->start) >> PAGE_SHIFT);