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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-12 13:55:32 +00:00
sparc32: Make mmu_{get,release}_*() take a struct device pointer.
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
7a715f4601
commit
260489fa8a
4 changed files with 47 additions and 53 deletions
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@ -100,16 +100,20 @@ BTFIXUPDEF_CALL(void, mmu_unlockarea, char *, unsigned long)
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#define mmu_lockarea(vaddr,len) BTFIXUP_CALL(mmu_lockarea)(vaddr,len)
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#define mmu_unlockarea(vaddr,len) BTFIXUP_CALL(mmu_unlockarea)(vaddr,len)
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/* These are implementations for sbus_map_sg/sbus_unmap_sg... collapse later */
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BTFIXUPDEF_CALL(__u32, mmu_get_scsi_one, char *, unsigned long, struct sbus_bus *sbus)
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BTFIXUPDEF_CALL(void, mmu_get_scsi_sgl, struct scatterlist *, int, struct sbus_bus *sbus)
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BTFIXUPDEF_CALL(void, mmu_release_scsi_one, __u32, unsigned long, struct sbus_bus *sbus)
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BTFIXUPDEF_CALL(void, mmu_release_scsi_sgl, struct scatterlist *, int, struct sbus_bus *sbus)
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struct page;
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struct device;
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struct scatterlist;
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#define mmu_get_scsi_one(vaddr,len,sbus) BTFIXUP_CALL(mmu_get_scsi_one)(vaddr,len,sbus)
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#define mmu_get_scsi_sgl(sg,sz,sbus) BTFIXUP_CALL(mmu_get_scsi_sgl)(sg,sz,sbus)
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#define mmu_release_scsi_one(vaddr,len,sbus) BTFIXUP_CALL(mmu_release_scsi_one)(vaddr,len,sbus)
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#define mmu_release_scsi_sgl(sg,sz,sbus) BTFIXUP_CALL(mmu_release_scsi_sgl)(sg,sz,sbus)
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/* These are implementations for sbus_map_sg/sbus_unmap_sg... collapse later */
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BTFIXUPDEF_CALL(__u32, mmu_get_scsi_one, struct device *, char *, unsigned long)
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BTFIXUPDEF_CALL(void, mmu_get_scsi_sgl, struct device *, struct scatterlist *, int)
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BTFIXUPDEF_CALL(void, mmu_release_scsi_one, struct device *, __u32, unsigned long)
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BTFIXUPDEF_CALL(void, mmu_release_scsi_sgl, struct device *, struct scatterlist *, int)
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#define mmu_get_scsi_one(dev,vaddr,len) BTFIXUP_CALL(mmu_get_scsi_one)(dev,vaddr,len)
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#define mmu_get_scsi_sgl(dev,sg,sz) BTFIXUP_CALL(mmu_get_scsi_sgl)(dev,sg,sz)
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#define mmu_release_scsi_one(dev,vaddr,len) BTFIXUP_CALL(mmu_release_scsi_one)(dev,vaddr,len)
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#define mmu_release_scsi_sgl(dev,sg,sz) BTFIXUP_CALL(mmu_release_scsi_sgl)(dev,sg,sz)
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/*
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* mmu_map/unmap are provided by iommu/iounit; Invalid to call on IIep.
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@ -394,8 +394,6 @@ void sbus_free_consistent(struct device *dev, long n, void *p, u32 ba)
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*/
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dma_addr_t sbus_map_single(struct device *dev, void *va, size_t len, int direction)
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{
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struct sbus_dev *sdev = to_sbus_device(dev);
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/* XXX why are some lengths signed, others unsigned? */
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if (len <= 0) {
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return 0;
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@ -404,20 +402,17 @@ dma_addr_t sbus_map_single(struct device *dev, void *va, size_t len, int directi
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if (len > 256*1024) { /* __get_free_pages() limit */
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return 0;
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}
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return mmu_get_scsi_one(va, len, sdev->bus);
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return mmu_get_scsi_one(dev, va, len);
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}
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void sbus_unmap_single(struct device *dev, dma_addr_t ba, size_t n, int direction)
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{
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struct sbus_dev *sdev = to_sbus_device(dev);
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mmu_release_scsi_one(ba, n, sdev->bus);
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mmu_release_scsi_one(dev, ba, n);
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}
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int sbus_map_sg(struct device *dev, struct scatterlist *sg, int n, int direction)
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{
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struct sbus_dev *sdev = to_sbus_device(dev);
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mmu_get_scsi_sgl(sg, n, sdev->bus);
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mmu_get_scsi_sgl(dev, sg, n);
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/*
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* XXX sparc64 can return a partial length here. sun4c should do this
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@ -428,9 +423,7 @@ int sbus_map_sg(struct device *dev, struct scatterlist *sg, int n, int direction
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void sbus_unmap_sg(struct device *dev, struct scatterlist *sg, int n, int direction)
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{
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struct sbus_dev *sdev = to_sbus_device(dev);
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mmu_release_scsi_sgl(sg, n, sdev->bus);
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mmu_release_scsi_sgl(dev, sg, n);
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}
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/*
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@ -438,7 +431,6 @@ void sbus_unmap_sg(struct device *dev, struct scatterlist *sg, int n, int direct
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void sbus_dma_sync_single_for_cpu(struct device *dev, dma_addr_t ba, size_t size, int direction)
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{
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#if 0
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struct sbus_dev *sdev = to_sbus_device(dev);
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unsigned long va;
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struct resource *res;
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@ -459,7 +451,6 @@ void sbus_dma_sync_single_for_cpu(struct device *dev, dma_addr_t ba, size_t size
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void sbus_dma_sync_single_for_device(struct device *dev, dma_addr_t ba, size_t size, int direction)
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{
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#if 0
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struct sbus_dev *sdev = to_sbus_device(dev);
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unsigned long va;
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struct resource *res;
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@ -125,10 +125,10 @@ nexti: scan = find_next_zero_bit(iounit->bmap, limit, scan);
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return vaddr;
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}
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static __u32 iounit_get_scsi_one(char *vaddr, unsigned long len, struct sbus_bus *sbus)
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static __u32 iounit_get_scsi_one(struct device *dev, char *vaddr, unsigned long len)
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{
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struct iounit_struct *iounit = dev->archdata.iommu;
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unsigned long ret, flags;
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struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
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spin_lock_irqsave(&iounit->lock, flags);
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ret = iounit_get_area(iounit, (unsigned long)vaddr, len);
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@ -136,10 +136,10 @@ static __u32 iounit_get_scsi_one(char *vaddr, unsigned long len, struct sbus_bus
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return ret;
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}
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static void iounit_get_scsi_sgl(struct scatterlist *sg, int sz, struct sbus_bus *sbus)
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static void iounit_get_scsi_sgl(struct device *dev, struct scatterlist *sg, int sz)
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{
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struct iounit_struct *iounit = dev->archdata.iommu;
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unsigned long flags;
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struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
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/* FIXME: Cache some resolved pages - often several sg entries are to the same page */
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spin_lock_irqsave(&iounit->lock, flags);
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@ -152,10 +152,10 @@ static void iounit_get_scsi_sgl(struct scatterlist *sg, int sz, struct sbus_bus
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spin_unlock_irqrestore(&iounit->lock, flags);
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}
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static void iounit_release_scsi_one(__u32 vaddr, unsigned long len, struct sbus_bus *sbus)
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static void iounit_release_scsi_one(struct device *dev, __u32 vaddr, unsigned long len)
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{
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struct iounit_struct *iounit = dev->archdata.iommu;
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unsigned long flags;
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struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
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spin_lock_irqsave(&iounit->lock, flags);
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len = ((vaddr & ~PAGE_MASK) + len + (PAGE_SIZE-1)) >> PAGE_SHIFT;
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@ -166,11 +166,11 @@ static void iounit_release_scsi_one(__u32 vaddr, unsigned long len, struct sbus_
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spin_unlock_irqrestore(&iounit->lock, flags);
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}
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static void iounit_release_scsi_sgl(struct scatterlist *sg, int sz, struct sbus_bus *sbus)
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static void iounit_release_scsi_sgl(struct device *dev, struct scatterlist *sg, int sz)
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{
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struct iounit_struct *iounit = dev->archdata.iommu;
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unsigned long flags;
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unsigned long vaddr, len;
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struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu;
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spin_lock_irqsave(&iounit->lock, flags);
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while (sz != 0) {
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@ -169,9 +169,9 @@ static void iommu_flush_iotlb(iopte_t *iopte, unsigned int niopte)
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}
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}
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static u32 iommu_get_one(struct page *page, int npages, struct sbus_bus *sbus)
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static u32 iommu_get_one(struct device *dev, struct page *page, int npages)
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{
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struct iommu_struct *iommu = sbus->ofdev.dev.archdata.iommu;
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struct iommu_struct *iommu = dev->archdata.iommu;
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int ioptex;
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iopte_t *iopte, *iopte0;
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unsigned int busa, busa0;
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@ -199,8 +199,7 @@ static u32 iommu_get_one(struct page *page, int npages, struct sbus_bus *sbus)
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return busa0;
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}
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static u32 iommu_get_scsi_one(char *vaddr, unsigned int len,
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struct sbus_bus *sbus)
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static u32 iommu_get_scsi_one(struct device *dev, char *vaddr, unsigned int len)
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{
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unsigned long off;
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int npages;
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@ -210,22 +209,22 @@ static u32 iommu_get_scsi_one(char *vaddr, unsigned int len,
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off = (unsigned long)vaddr & ~PAGE_MASK;
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npages = (off + len + PAGE_SIZE-1) >> PAGE_SHIFT;
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page = virt_to_page((unsigned long)vaddr & PAGE_MASK);
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busa = iommu_get_one(page, npages, sbus);
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busa = iommu_get_one(dev, page, npages);
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return busa + off;
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}
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static __u32 iommu_get_scsi_one_noflush(char *vaddr, unsigned long len, struct sbus_bus *sbus)
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static __u32 iommu_get_scsi_one_noflush(struct device *dev, char *vaddr, unsigned long len)
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{
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return iommu_get_scsi_one(vaddr, len, sbus);
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return iommu_get_scsi_one(dev, vaddr, len);
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}
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static __u32 iommu_get_scsi_one_gflush(char *vaddr, unsigned long len, struct sbus_bus *sbus)
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static __u32 iommu_get_scsi_one_gflush(struct device *dev, char *vaddr, unsigned long len)
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{
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flush_page_for_dma(0);
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return iommu_get_scsi_one(vaddr, len, sbus);
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return iommu_get_scsi_one(dev, vaddr, len);
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}
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static __u32 iommu_get_scsi_one_pflush(char *vaddr, unsigned long len, struct sbus_bus *sbus)
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static __u32 iommu_get_scsi_one_pflush(struct device *dev, char *vaddr, unsigned long len)
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{
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unsigned long page = ((unsigned long) vaddr) & PAGE_MASK;
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@ -233,23 +232,23 @@ static __u32 iommu_get_scsi_one_pflush(char *vaddr, unsigned long len, struct sb
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flush_page_for_dma(page);
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page += PAGE_SIZE;
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}
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return iommu_get_scsi_one(vaddr, len, sbus);
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return iommu_get_scsi_one(dev, vaddr, len);
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}
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static void iommu_get_scsi_sgl_noflush(struct scatterlist *sg, int sz, struct sbus_bus *sbus)
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static void iommu_get_scsi_sgl_noflush(struct device *dev, struct scatterlist *sg, int sz)
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{
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int n;
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while (sz != 0) {
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--sz;
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n = (sg->length + sg->offset + PAGE_SIZE-1) >> PAGE_SHIFT;
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sg->dvma_address = iommu_get_one(sg_page(sg), n, sbus) + sg->offset;
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sg->dvma_address = iommu_get_one(dev, sg_page(sg), n) + sg->offset;
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sg->dvma_length = (__u32) sg->length;
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sg = sg_next(sg);
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}
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}
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static void iommu_get_scsi_sgl_gflush(struct scatterlist *sg, int sz, struct sbus_bus *sbus)
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static void iommu_get_scsi_sgl_gflush(struct device *dev, struct scatterlist *sg, int sz)
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{
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int n;
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@ -257,13 +256,13 @@ static void iommu_get_scsi_sgl_gflush(struct scatterlist *sg, int sz, struct sbu
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while (sz != 0) {
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--sz;
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n = (sg->length + sg->offset + PAGE_SIZE-1) >> PAGE_SHIFT;
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sg->dvma_address = iommu_get_one(sg_page(sg), n, sbus) + sg->offset;
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sg->dvma_address = iommu_get_one(dev, sg_page(sg), n) + sg->offset;
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sg->dvma_length = (__u32) sg->length;
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sg = sg_next(sg);
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}
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}
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static void iommu_get_scsi_sgl_pflush(struct scatterlist *sg, int sz, struct sbus_bus *sbus)
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static void iommu_get_scsi_sgl_pflush(struct device *dev, struct scatterlist *sg, int sz)
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{
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unsigned long page, oldpage = 0;
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int n, i;
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@ -288,15 +287,15 @@ static void iommu_get_scsi_sgl_pflush(struct scatterlist *sg, int sz, struct sbu
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}
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}
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sg->dvma_address = iommu_get_one(sg_page(sg), n, sbus) + sg->offset;
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sg->dvma_address = iommu_get_one(dev, sg_page(sg), n) + sg->offset;
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sg->dvma_length = (__u32) sg->length;
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sg = sg_next(sg);
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}
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}
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static void iommu_release_one(u32 busa, int npages, struct sbus_bus *sbus)
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static void iommu_release_one(struct device *dev, u32 busa, int npages)
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{
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struct iommu_struct *iommu = sbus->ofdev.dev.archdata.iommu;
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struct iommu_struct *iommu = dev->archdata.iommu;
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int ioptex;
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int i;
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bit_map_clear(&iommu->usemap, ioptex, npages);
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}
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static void iommu_release_scsi_one(__u32 vaddr, unsigned long len, struct sbus_bus *sbus)
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static void iommu_release_scsi_one(struct device *dev, __u32 vaddr, unsigned long len)
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{
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unsigned long off;
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int npages;
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off = vaddr & ~PAGE_MASK;
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npages = (off + len + PAGE_SIZE-1) >> PAGE_SHIFT;
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iommu_release_one(vaddr & PAGE_MASK, npages, sbus);
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iommu_release_one(dev, vaddr & PAGE_MASK, npages);
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}
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static void iommu_release_scsi_sgl(struct scatterlist *sg, int sz, struct sbus_bus *sbus)
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static void iommu_release_scsi_sgl(struct device *dev, struct scatterlist *sg, int sz)
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{
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int n;
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--sz;
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n = (sg->length + sg->offset + PAGE_SIZE-1) >> PAGE_SHIFT;
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iommu_release_one(sg->dvma_address & PAGE_MASK, n, sbus);
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iommu_release_one(dev, sg->dvma_address & PAGE_MASK, n);
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sg->dvma_address = 0x21212121;
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sg = sg_next(sg);
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}
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