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Merge branch 'sg' of git://git.kernel.dk/linux-2.6-block

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* 'sg' of git://git.kernel.dk/linux-2.6-block:
  Add CONFIG_DEBUG_SG sg validation
  Change table chaining layout
  Update arch/ to use sg helpers
  Update swiotlb to use sg helpers
  Update net/ to use sg helpers
  Update fs/ to use sg helpers
  [SG] Update drivers to use sg helpers
  [SG] Update crypto/ to sg helpers
  [SG] Update block layer to use sg helpers
  [SG] Add helpers for manipulating SG entries
This commit is contained in:
Linus Torvalds
2007-10-22 19:11:06 -07:00
parent e38f981758 d6ec084200
commit 69450bb5eb
151 changed files with 671 additions and 449 deletions
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10
arch/x86/kernel/pci-calgary_64.c
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@@ -411,8 +411,10 @@ static int calgary_nontranslate_map_sg(struct device* dev,
int i;
for_each_sg(sg, s, nelems, i) {
BUG_ON(!s->page);
s->dma_address = virt_to_bus(page_address(s->page) +s->offset);
struct page *p = sg_page(s);
BUG_ON(!p);
s->dma_address = virt_to_bus(sg_virt(s));
s->dma_length = s->length;
}
return nelems;
@@ -432,9 +434,9 @@ static int calgary_map_sg(struct device *dev, struct scatterlist *sg,
return calgary_nontranslate_map_sg(dev, sg, nelems, direction);
for_each_sg(sg, s, nelems, i) {
BUG_ON(!s->page);
BUG_ON(!sg_page(s));
vaddr = (unsigned long)page_address(s->page) + s->offset;
vaddr = (unsigned long) sg_virt(s);
npages = num_dma_pages(vaddr, s->length);
entry = iommu_range_alloc(tbl, npages);

4
arch/x86/kernel/pci-gart_64.c
View File

@@ -302,7 +302,7 @@ static int dma_map_sg_nonforce(struct device *dev, struct scatterlist *sg,
#endif
for_each_sg(sg, s, nents, i) {
unsigned long addr = page_to_phys(s->page) + s->offset;
unsigned long addr = sg_phys(s);
if (nonforced_iommu(dev, addr, s->length)) {
addr = dma_map_area(dev, addr, s->length, dir);
if (addr == bad_dma_address) {
@@ -397,7 +397,7 @@ static int gart_map_sg(struct device *dev, struct scatterlist *sg, int nents,
start_sg = sgmap = sg;
ps = NULL; /* shut up gcc */
for_each_sg(sg, s, nents, i) {
dma_addr_t addr = page_to_phys(s->page) + s->offset;
dma_addr_t addr = sg_phys(s);
s->dma_address = addr;
BUG_ON(s->length == 0);

4
arch/x86/kernel/pci-nommu_64.c
View File

@@ -62,8 +62,8 @@ static int nommu_map_sg(struct device *hwdev, struct scatterlist *sg,
int i;
for_each_sg(sg, s, nents, i) {
BUG_ON(!s->page);
s->dma_address = virt_to_bus(page_address(s->page) +s->offset);
BUG_ON(!sg_page(s));
s->dma_address = virt_to_bus(sg_virt(s));
if (!check_addr("map_sg", hwdev, s->dma_address, s->length))
return 0;
s->dma_length = s->length;