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Commit 260489fa authored by David S. Miller's avatar David S. Miller
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sparc32: Make mmu_{get,release}_*() take a struct device pointer. 

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7a715f46
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Showing with 47 additions and 53 deletions
arch/sparc/include/asm/dma.h
View file @ 260489fa
......@@ -100,16 +100,20 @@ BTFIXUPDEF_CALL(void, mmu_unlockarea, char *, unsigned long)
#define mmu_lockarea(vaddr,len) BTFIXUP_CALL(mmu_lockarea)(vaddr,len)
#define mmu_unlockarea(vaddr,len) BTFIXUP_CALL(mmu_unlockarea)(vaddr,len)
struct page;
struct device;
struct scatterlist;
/* These are implementations for sbus_map_sg/sbus_unmap_sg... collapse later */
BTFIXUPDEF_CALL(__u32, mmu_get_scsi_one, char *, unsigned long, struct sbus_bus *sbus)
BTFIXUPDEF_CALL(void, mmu_get_scsi_sgl, struct scatterlist *, int, struct sbus_bus *sbus)
BTFIXUPDEF_CALL(void, mmu_release_scsi_one, __u32, unsigned long, struct sbus_bus *sbus)
BTFIXUPDEF_CALL(void, mmu_release_scsi_sgl, struct scatterlist *, int, struct sbus_bus *sbus)
#define mmu_get_scsi_one(vaddr,len,sbus) BTFIXUP_CALL(mmu_get_scsi_one)(vaddr,len,sbus)
#define mmu_get_scsi_sgl(sg,sz,sbus) BTFIXUP_CALL(mmu_get_scsi_sgl)(sg,sz,sbus)
#define mmu_release_scsi_one(vaddr,len,sbus) BTFIXUP_CALL(mmu_release_scsi_one)(vaddr,len,sbus)
#define mmu_release_scsi_sgl(sg,sz,sbus) BTFIXUP_CALL(mmu_release_scsi_sgl)(sg,sz,sbus)
BTFIXUPDEF_CALL(__u32, mmu_get_scsi_one, struct device *, char *, unsigned long)
BTFIXUPDEF_CALL(void, mmu_get_scsi_sgl, struct device *, struct scatterlist *, int)
BTFIXUPDEF_CALL(void, mmu_release_scsi_one, struct device *, __u32, unsigned long)
BTFIXUPDEF_CALL(void, mmu_release_scsi_sgl, struct device *, struct scatterlist *, int)
#define mmu_get_scsi_one(dev,vaddr,len) BTFIXUP_CALL(mmu_get_scsi_one)(dev,vaddr,len)
#define mmu_get_scsi_sgl(dev,sg,sz) BTFIXUP_CALL(mmu_get_scsi_sgl)(dev,sg,sz)
#define mmu_release_scsi_one(dev,vaddr,len) BTFIXUP_CALL(mmu_release_scsi_one)(dev,vaddr,len)
#define mmu_release_scsi_sgl(dev,sg,sz) BTFIXUP_CALL(mmu_release_scsi_sgl)(dev,sg,sz)
/*
* mmu_map/unmap are provided by iommu/iounit; Invalid to call on IIep.
......
arch/sparc/kernel/ioport.c
View file @ 260489fa
......@@ -394,8 +394,6 @@ void sbus_free_consistent(struct device *dev, long n, void *p, u32 ba)
*/
dma_addr_t sbus_map_single(struct device *dev, void *va, size_t len, int direction)
{
struct sbus_dev *sdev = to_sbus_device(dev);
/* XXX why are some lengths signed, others unsigned? */
if (len <= 0) {
return 0;
......@@ -404,20 +402,17 @@ dma_addr_t sbus_map_single(struct device *dev, void *va, size_t len, int directi
if (len > 256*1024) { /* __get_free_pages() limit */
return 0;
}
return mmu_get_scsi_one(va, len, sdev->bus);
return mmu_get_scsi_one(dev, va, len);
}
void sbus_unmap_single(struct device *dev, dma_addr_t ba, size_t n, int direction)
{
struct sbus_dev *sdev = to_sbus_device(dev);
mmu_release_scsi_one(ba, n, sdev->bus);
mmu_release_scsi_one(dev, ba, n);
}
int sbus_map_sg(struct device *dev, struct scatterlist *sg, int n, int direction)
{
struct sbus_dev *sdev = to_sbus_device(dev);
mmu_get_scsi_sgl(sg, n, sdev->bus);
mmu_get_scsi_sgl(dev, sg, n);
/*
* XXX sparc64 can return a partial length here. sun4c should do this
......@@ -428,9 +423,7 @@ int sbus_map_sg(struct device *dev, struct scatterlist *sg, int n, int direction
void sbus_unmap_sg(struct device *dev, struct scatterlist *sg, int n, int direction)
{
struct sbus_dev *sdev = to_sbus_device(dev);
mmu_release_scsi_sgl(sg, n, sdev->bus);
mmu_release_scsi_sgl(dev, sg, n);
}
/*
......@@ -438,7 +431,6 @@ void sbus_unmap_sg(struct device *dev, struct scatterlist *sg, int n, int direct
void sbus_dma_sync_single_for_cpu(struct device *dev, dma_addr_t ba, size_t size, int direction)
{
#if 0
struct sbus_dev *sdev = to_sbus_device(dev);
unsigned long va;
struct resource *res;
......@@ -459,7 +451,6 @@ void sbus_dma_sync_single_for_cpu(struct device *dev, dma_addr_t ba, size_t size
void sbus_dma_sync_single_for_device(struct device *dev, dma_addr_t ba, size_t size, int direction)
{
#if 0
struct sbus_dev *sdev = to_sbus_device(dev);
unsigned long va;
struct resource *res;
......
arch/sparc/mm/io-unit.c
View file @ 260489fa
......@@ -125,10 +125,10 @@ nexti: scan = find_next_zero_bit(iounit->bmap, limit, scan);
return vaddr;
}
static __u32 iounit_get_scsi_one(char *vaddr, unsigned long len, struct sbus_bus *sbus)
static __u32 iounit_get_scsi_one(struct device *dev, char *vaddr, unsigned long len)
{
struct iounit_struct *iounit = dev->archdata.iommu;
unsigned long ret, flags;
struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
spin_lock_irqsave(&iounit->lock, flags);
ret = iounit_get_area(iounit, (unsigned long)vaddr, len);
......@@ -136,10 +136,10 @@ static __u32 iounit_get_scsi_one(char *vaddr, unsigned long len, struct sbus_bus
return ret;
}
static void iounit_get_scsi_sgl(struct scatterlist *sg, int sz, struct sbus_bus *sbus)
static void iounit_get_scsi_sgl(struct device *dev, struct scatterlist *sg, int sz)
{
struct iounit_struct *iounit = dev->archdata.iommu;
unsigned long flags;
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);
......@@ -152,10 +152,10 @@ static void iounit_get_scsi_sgl(struct scatterlist *sg, int sz, struct sbus_bus
spin_unlock_irqrestore(&iounit->lock, flags);
}
static void iounit_release_scsi_one(__u32 vaddr, unsigned long len, struct sbus_bus *sbus)
static void iounit_release_scsi_one(struct device *dev, __u32 vaddr, unsigned long len)
{
struct iounit_struct *iounit = dev->archdata.iommu;
unsigned long flags;
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;
......@@ -166,11 +166,11 @@ static void iounit_release_scsi_one(__u32 vaddr, unsigned long len, struct sbus_
spin_unlock_irqrestore(&iounit->lock, flags);
}
static void iounit_release_scsi_sgl(struct scatterlist *sg, int sz, struct sbus_bus *sbus)
static void iounit_release_scsi_sgl(struct device *dev, struct scatterlist *sg, int sz)
{
struct iounit_struct *iounit = dev->archdata.iommu;
unsigned long flags;
unsigned long vaddr, len;
struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
spin_lock_irqsave(&iounit->lock, flags);
while (sz != 0) {
......
arch/sparc/mm/iommu.c
View file @ 260489fa
......@@ -169,9 +169,9 @@ static void iommu_flush_iotlb(iopte_t *iopte, unsigned int niopte)
}
}
static u32 iommu_get_one(struct page *page, int npages, struct sbus_bus *sbus)
static u32 iommu_get_one(struct device *dev, struct page *page, int npages)
{
struct iommu_struct *iommu = sbus->ofdev.dev.archdata.iommu;
struct iommu_struct *iommu = dev->archdata.iommu;
int ioptex;
iopte_t *iopte, *iopte0;
unsigned int busa, busa0;
......@@ -199,8 +199,7 @@ static u32 iommu_get_one(struct page *page, int npages, struct sbus_bus *sbus)
return busa0;
}
static u32 iommu_get_scsi_one(char *vaddr, unsigned int len,
struct sbus_bus *sbus)
static u32 iommu_get_scsi_one(struct device *dev, char *vaddr, unsigned int len)
{
unsigned long off;
int npages;
......@@ -210,22 +209,22 @@ static u32 iommu_get_scsi_one(char *vaddr, unsigned int len,
off = (unsigned long)vaddr & ~PAGE_MASK;
npages = (off + len + PAGE_SIZE-1) >> PAGE_SHIFT;
page = virt_to_page((unsigned long)vaddr & PAGE_MASK);
busa = iommu_get_one(page, npages, sbus);
busa = iommu_get_one(dev, page, npages);
return busa + off;
}
static __u32 iommu_get_scsi_one_noflush(char *vaddr, unsigned long len, struct sbus_bus *sbus)
static __u32 iommu_get_scsi_one_noflush(struct device *dev, char *vaddr, unsigned long len)
{
return iommu_get_scsi_one(vaddr, len, sbus);
return iommu_get_scsi_one(dev, vaddr, len);
}
static __u32 iommu_get_scsi_one_gflush(char *vaddr, unsigned long len, struct sbus_bus *sbus)
static __u32 iommu_get_scsi_one_gflush(struct device *dev, char *vaddr, unsigned long len)
{
flush_page_for_dma(0);
return iommu_get_scsi_one(vaddr, len, sbus);
return iommu_get_scsi_one(dev, vaddr, len);
}
static __u32 iommu_get_scsi_one_pflush(char *vaddr, unsigned long len, struct sbus_bus *sbus)
static __u32 iommu_get_scsi_one_pflush(struct device *dev, char *vaddr, unsigned long len)
{
unsigned long page = ((unsigned long) vaddr) & PAGE_MASK;
......@@ -233,23 +232,23 @@ static __u32 iommu_get_scsi_one_pflush(char *vaddr, unsigned long len, struct sb
flush_page_for_dma(page);
page += PAGE_SIZE;
}
return iommu_get_scsi_one(vaddr, len, sbus);
return iommu_get_scsi_one(dev, vaddr, len);
}
static void iommu_get_scsi_sgl_noflush(struct scatterlist *sg, int sz, struct sbus_bus *sbus)
static void iommu_get_scsi_sgl_noflush(struct device *dev, struct scatterlist *sg, int sz)
{
int n;
while (sz != 0) {
--sz;
n = (sg->length + sg->offset + PAGE_SIZE-1) >> PAGE_SHIFT;
sg->dvma_address = iommu_get_one(sg_page(sg), n, sbus) + sg->offset;
sg->dvma_address = iommu_get_one(dev, sg_page(sg), n) + sg->offset;
sg->dvma_length = (__u32) sg->length;
sg = sg_next(sg);
}
}
static void iommu_get_scsi_sgl_gflush(struct scatterlist *sg, int sz, struct sbus_bus *sbus)
static void iommu_get_scsi_sgl_gflush(struct device *dev, struct scatterlist *sg, int sz)
{
int n;
......@@ -257,13 +256,13 @@ static void iommu_get_scsi_sgl_gflush(struct scatterlist *sg, int sz, struct sbu
while (sz != 0) {
--sz;
n = (sg->length + sg->offset + PAGE_SIZE-1) >> PAGE_SHIFT;
sg->dvma_address = iommu_get_one(sg_page(sg), n, sbus) + sg->offset;
sg->dvma_address = iommu_get_one(dev, sg_page(sg), n) + sg->offset;
sg->dvma_length = (__u32) sg->length;
sg = sg_next(sg);
}
}
static void iommu_get_scsi_sgl_pflush(struct scatterlist *sg, int sz, struct sbus_bus *sbus)
static void iommu_get_scsi_sgl_pflush(struct device *dev, struct scatterlist *sg, int sz)
{
unsigned long page, oldpage = 0;
int n, i;
......@@ -288,15 +287,15 @@ static void iommu_get_scsi_sgl_pflush(struct scatterlist *sg, int sz, struct sbu
}
}
sg->dvma_address = iommu_get_one(sg_page(sg), n, sbus) + sg->offset;
sg->dvma_address = iommu_get_one(dev, sg_page(sg), n) + sg->offset;
sg->dvma_length = (__u32) sg->length;
sg = sg_next(sg);
}
}
static void iommu_release_one(u32 busa, int npages, struct sbus_bus *sbus)
static void iommu_release_one(struct device *dev, u32 busa, int npages)
{
struct iommu_struct *iommu = sbus->ofdev.dev.archdata.iommu;
struct iommu_struct *iommu = dev->archdata.iommu;
int ioptex;
int i;
......@@ -310,17 +309,17 @@ static void iommu_release_one(u32 busa, int npages, struct sbus_bus *sbus)
bit_map_clear(&iommu->usemap, ioptex, npages);
}
static void iommu_release_scsi_one(__u32 vaddr, unsigned long len, struct sbus_bus *sbus)
static void iommu_release_scsi_one(struct device *dev, __u32 vaddr, unsigned long len)
{
unsigned long off;
int npages;
off = vaddr & ~PAGE_MASK;
npages = (off + len + PAGE_SIZE-1) >> PAGE_SHIFT;
iommu_release_one(vaddr & PAGE_MASK, npages, sbus);
iommu_release_one(dev, vaddr & PAGE_MASK, npages);
}
static void iommu_release_scsi_sgl(struct scatterlist *sg, int sz, struct sbus_bus *sbus)
static void iommu_release_scsi_sgl(struct device *dev, struct scatterlist *sg, int sz)
{
int n;
......@@ -328,7 +327,7 @@ static void iommu_release_scsi_sgl(struct scatterlist *sg, int sz, struct sbus_b
--sz;
n = (sg->length + sg->offset + PAGE_SIZE-1) >> PAGE_SHIFT;
iommu_release_one(sg->dvma_address & PAGE_MASK, n, sbus);
iommu_release_one(dev, sg->dvma_address & PAGE_MASK, n);
sg->dvma_address = 0x21212121;
sg = sg_next(sg);
}
......
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