#include <linux/mm.h>
#include <linux/highmem.h> /* pte_offset_map => kmap_atomic */
#include <linux/bitops.h>
+#include <linux/scatterlist.h>
-#include <asm/scatterlist.h>
#include <asm/pgalloc.h>
#include <asm/pgtable.h>
#include <asm/sbus.h>
}
if(!xpt) panic("Cannot map External Page Table.");
- sbus->iommu = (struct iommu_struct *)iounit;
+ sbus->ofdev.dev.archdata.iommu = iounit;
iounit->page_table = xpt;
spin_lock_init(&iounit->lock);
static __u32 iounit_get_scsi_one(char *vaddr, unsigned long len, struct sbus_bus *sbus)
{
unsigned long ret, flags;
- struct iounit_struct *iounit = (struct iounit_struct *)sbus->iommu;
+ struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
spin_lock_irqsave(&iounit->lock, flags);
ret = iounit_get_area(iounit, (unsigned long)vaddr, len);
static void iounit_get_scsi_sgl(struct scatterlist *sg, int sz, struct sbus_bus *sbus)
{
unsigned long flags;
- struct iounit_struct *iounit = (struct iounit_struct *)sbus->iommu;
+ struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
/* FIXME: Cache some resolved pages - often several sg entries are to the same page */
spin_lock_irqsave(&iounit->lock, flags);
while (sz != 0) {
--sz;
- sg[sz].dvma_address = iounit_get_area(iounit, (unsigned long)page_address(sg[sz].page) + sg[sz].offset, sg[sz].length);
- sg[sz].dvma_length = sg[sz].length;
+ sg->dvma_address = iounit_get_area(iounit, (unsigned long) sg_virt(sg), sg->length);
+ sg->dvma_length = sg->length;
+ sg = sg_next(sg);
}
spin_unlock_irqrestore(&iounit->lock, flags);
}
static void iounit_release_scsi_one(__u32 vaddr, unsigned long len, struct sbus_bus *sbus)
{
unsigned long flags;
- struct iounit_struct *iounit = (struct iounit_struct *)sbus->iommu;
+ struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
spin_lock_irqsave(&iounit->lock, flags);
len = ((vaddr & ~PAGE_MASK) + len + (PAGE_SIZE-1)) >> PAGE_SHIFT;
{
unsigned long flags;
unsigned long vaddr, len;
- struct iounit_struct *iounit = (struct iounit_struct *)sbus->iommu;
+ struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
spin_lock_irqsave(&iounit->lock, flags);
while (sz != 0) {
--sz;
- len = ((sg[sz].dvma_address & ~PAGE_MASK) + sg[sz].length + (PAGE_SIZE-1)) >> PAGE_SHIFT;
- vaddr = (sg[sz].dvma_address - IOUNIT_DMA_BASE) >> PAGE_SHIFT;
+ len = ((sg->dvma_address & ~PAGE_MASK) + sg->length + (PAGE_SIZE-1)) >> PAGE_SHIFT;
+ vaddr = (sg->dvma_address - IOUNIT_DMA_BASE) >> PAGE_SHIFT;
IOD(("iounit_release %08lx-%08lx\n", (long)vaddr, (long)len+vaddr));
for (len += vaddr; vaddr < len; vaddr++)
clear_bit(vaddr, iounit->bmap);
+ sg = sg_next(sg);
}
spin_unlock_irqrestore(&iounit->lock, flags);
}
i = ((addr - IOUNIT_DMA_BASE) >> PAGE_SHIFT);
for_each_sbus(sbus) {
- struct iounit_struct *iounit = (struct iounit_struct *)sbus->iommu;
+ struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
iopte = (iopte_t *)(iounit->page_table + i);
*iopte = MKIOPTE(__pa(page));
static struct page *iounit_translate_dvma(unsigned long addr)
{
struct sbus_bus *sbus = sbus_root; /* They are all the same */
- struct iounit_struct *iounit = (struct iounit_struct *)sbus->iommu;
+ struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
int i;
iopte_t *iopte;
unsigned long rotor, scan, limit;
unsigned long flags;
__u32 ret;
- struct iounit_struct *iounit = (struct iounit_struct *)sbus->iommu;
+ struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
npages = (size + (PAGE_SIZE-1)) >> PAGE_SHIFT;
i = 0x0213;
__u32 iounit_map_dma_page(__u32 vaddr, void *addr, struct sbus_bus *sbus)
{
int scan = (vaddr - IOUNIT_DMA_BASE) >> PAGE_SHIFT;
- struct iounit_struct *iounit = (struct iounit_struct *)sbus->iommu;
+ struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
iounit->page_table[scan] = MKIOPTE(__pa(((unsigned long)addr) & PAGE_MASK));
return vaddr + (((unsigned long)addr) & ~PAGE_MASK);