5 files changed, 168 insertions, 12 deletions

diff --git a/include/asm-sparc64/dma-mapping.h b/include/asm-sparc64/dma-mapping.h
index c7d5804ba76d..a8d39f23d43b 100644
--- a/include/asm-sparc64/dma-mapping.h
+++ b/include/asm-sparc64/dma-mapping.h
@@ -4,7 +4,146 @@
 #include <linux/config.h>
 
 #ifdef CONFIG_PCI
-#include <asm-generic/dma-mapping.h>
+
+/* we implement the API below in terms of the existing PCI one,
+ * so include it */
+#include <linux/pci.h>
+/* need struct page definitions */
+#include <linux/mm.h>
+
+static inline int
+dma_supported(struct device *dev, u64 mask)
+{
+        BUG_ON(dev->bus != &pci_bus_type);
+
+        return pci_dma_supported(to_pci_dev(dev), mask);
+}
+
+static inline int
+dma_set_mask(struct device *dev, u64 dma_mask)
+{
+        BUG_ON(dev->bus != &pci_bus_type);
+
+        return pci_set_dma_mask(to_pci_dev(dev), dma_mask);
+}
+
+static inline void *
+dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
+                   gfp_t flag)
+{
+        BUG_ON(dev->bus != &pci_bus_type);
+
+        return pci_iommu_ops->alloc_consistent(to_pci_dev(dev), size, dma_handle, flag);
+}
+
+static inline void
+dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
+                    dma_addr_t dma_handle)
+{
+        BUG_ON(dev->bus != &pci_bus_type);
+
+        pci_free_consistent(to_pci_dev(dev), size, cpu_addr, dma_handle);
+}
+
+static inline dma_addr_t
+dma_map_single(struct device *dev, void *cpu_addr, size_t size,
+               enum dma_data_direction direction)
+{
+        BUG_ON(dev->bus != &pci_bus_type);
+
+        return pci_map_single(to_pci_dev(dev), cpu_addr, size, (int)direction);
+}
+
+static inline void
+dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
+                 enum dma_data_direction direction)
+{
+        BUG_ON(dev->bus != &pci_bus_type);
+
+        pci_unmap_single(to_pci_dev(dev), dma_addr, size, (int)direction);
+}
+
+static inline dma_addr_t
+dma_map_page(struct device *dev, struct page *page,
+             unsigned long offset, size_t size,
+             enum dma_data_direction direction)
+{
+        BUG_ON(dev->bus != &pci_bus_type);
+
+        return pci_map_page(to_pci_dev(dev), page, offset, size, (int)direction);
+}
+
+static inline void
+dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
+               enum dma_data_direction direction)
+{
+        BUG_ON(dev->bus != &pci_bus_type);
+
+        pci_unmap_page(to_pci_dev(dev), dma_address, size, (int)direction);
+}
+
+static inline int
+dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
+           enum dma_data_direction direction)
+{
+        BUG_ON(dev->bus != &pci_bus_type);
+
+        return pci_map_sg(to_pci_dev(dev), sg, nents, (int)direction);
+}
+
+static inline void
+dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
+             enum dma_data_direction direction)
+{
+        BUG_ON(dev->bus != &pci_bus_type);
+
+        pci_unmap_sg(to_pci_dev(dev), sg, nhwentries, (int)direction);
+}
+
+static inline void
+dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
+                        enum dma_data_direction direction)
+{
+        BUG_ON(dev->bus != &pci_bus_type);
+
+        pci_dma_sync_single_for_cpu(to_pci_dev(dev), dma_handle,
+                                    size, (int)direction);
+}
+
+static inline void
+dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size,
+                           enum dma_data_direction direction)
+{
+        BUG_ON(dev->bus != &pci_bus_type);
+
+        pci_dma_sync_single_for_device(to_pci_dev(dev), dma_handle,
+                                       size, (int)direction);
+}
+
+static inline void
+dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
+                    enum dma_data_direction direction)
+{
+        BUG_ON(dev->bus != &pci_bus_type);
+
+        pci_dma_sync_sg_for_cpu(to_pci_dev(dev), sg, nelems, (int)direction);
+}
+
+static inline void
+dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
+                       enum dma_data_direction direction)
+{
+        BUG_ON(dev->bus != &pci_bus_type);
+
+        pci_dma_sync_sg_for_device(to_pci_dev(dev), sg, nelems, (int)direction);
+}
+
+static inline int
+dma_mapping_error(dma_addr_t dma_addr)
+{
+        return pci_dma_mapping_error(dma_addr);
+}
+
 #else
 
 struct device;
diff --git a/include/asm-sparc64/pci.h b/include/asm-sparc64/pci.h
index 7c5a589ea437..e1ea67bc32f2 100644
--- a/include/asm-sparc64/pci.h
+++ b/include/asm-sparc64/pci.h
@@ -42,7 +42,7 @@ static inline void pcibios_penalize_isa_irq(int irq, int active)
 struct pci_dev;
 
 struct pci_iommu_ops {
-        void *(*alloc_consistent)(struct pci_dev *, size_t, dma_addr_t *);
+        void *(*alloc_consistent)(struct pci_dev *, size_t, dma_addr_t *, gfp_t);
         void (*free_consistent)(struct pci_dev *, size_t, void *, dma_addr_t);
         dma_addr_t (*map_single)(struct pci_dev *, void *, size_t, int);
         void (*unmap_single)(struct pci_dev *, dma_addr_t, size_t, int);
@@ -59,7 +59,7 @@ extern struct pci_iommu_ops *pci_iommu_ops;
  */
 static inline void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size, dma_addr_t *dma_handle)
 {
-        return pci_iommu_ops->alloc_consistent(hwdev, size, dma_handle);
+        return pci_iommu_ops->alloc_consistent(hwdev, size, dma_handle, GFP_ATOMIC);
 }
 
 /* Free and unmap a consistent DMA buffer.
diff --git a/include/asm-sparc64/pgtable.h b/include/asm-sparc64/pgtable.h
index c44e7466534e..cd464f469a2c 100644
--- a/include/asm-sparc64/pgtable.h
+++ b/include/asm-sparc64/pgtable.h
@@ -689,6 +689,23 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *p
 #define pte_clear(mm,addr,ptep)         \
         set_pte_at((mm), (addr), (ptep), __pte(0UL))
 
+#ifdef DCACHE_ALIASING_POSSIBLE
+#define __HAVE_ARCH_MOVE_PTE
+#define move_pte(pte, prot, old_addr, new_addr)                         \
+({                                                                      \
+        pte_t newpte = (pte);                                           \
+        if (tlb_type != hypervisor && pte_present(pte)) {               \
+                unsigned long this_pfn = pte_pfn(pte);                  \
+                                                                        \
+                if (pfn_valid(this_pfn) &&                              \
+                    (((old_addr) ^ (new_addr)) & (1 << 13)))            \
+                        flush_dcache_page_all(current->mm,              \
+                                              pfn_to_page(this_pfn));   \
+        }                                                               \
+        newpte;                                                         \
+})
+#endif
+
 extern pgd_t swapper_pg_dir[2048];
 extern pmd_t swapper_low_pmd_dir[2048];
 
diff --git a/include/asm-sparc64/tlbflush.h b/include/asm-sparc64/tlbflush.h
index 9ad5d9c51d42..e3a7c453b500 100644
--- a/include/asm-sparc64/tlbflush.h
+++ b/include/asm-sparc64/tlbflush.h
@@ -22,8 +22,6 @@ extern void flush_tlb_pending(void);
 /* Local cpu only.  */
 extern void __flush_tlb_all(void);
 
-extern void __flush_tlb_page(unsigned long context, unsigned long page, unsigned long r);
-
 extern void __flush_tlb_kernel_range(unsigned long start, unsigned long end);
 
 #ifndef CONFIG_SMP
diff --git a/include/asm-sparc64/unistd.h b/include/asm-sparc64/unistd.h
index d0544b4f47b7..998ef4ab0e06 100644
--- a/include/asm-sparc64/unistd.h
+++ b/include/asm-sparc64/unistd.h
@@ -41,7 +41,7 @@
 #define __NR_capset              22 /* Linux Specific                              */
 #define __NR_setuid              23 /* Implemented via setreuid in SunOS           */
 #define __NR_getuid              24 /* Common                                      */
-/* #define __NR_time alias       25    ENOSYS under SunOS                          */
+#define __NR_vmsplice            25 /* ENOSYS under SunOS                          */
 #define __NR_ptrace              26 /* Common                                      */
 #define __NR_alarm               27 /* Implemented via setitimer in SunOS          */
 #define __NR_sigaltstack         28 /* Common                                      */
@@ -250,7 +250,7 @@
 #ifdef __KERNEL__
 #define __NR_time               231 /* Linux sparc32                               */
 #endif
-#define __NR_sys_splice         232 /* Linux Specific                              */
+#define __NR_splice             232 /* Linux Specific                              */
 #define __NR_stime              233 /* Linux Specific                              */
 #define __NR_statfs64           234 /* Linux Specific                              */
 #define __NR_fstatfs64          235 /* Linux Specific                              */
@@ -273,7 +273,7 @@
 #define __NR_getsid             252
 #define __NR_fdatasync          253
 #define __NR_nfsservctl         254
-#define __NR_sys_sync_file_range 255
+#define __NR_sync_file_range    255
 #define __NR_clock_settime      256
 #define __NR_clock_gettime      257
 #define __NR_clock_getres       258
@@ -298,7 +298,7 @@
 #define __NR_mq_notify          277
 #define __NR_mq_getsetattr      278
 #define __NR_waitid             279
-/*#define __NR_sys_setaltroot   280 available (was setaltroot) */
+#define __NR_tee                280
 #define __NR_add_key            281
 #define __NR_request_key        282
 #define __NR_keyctl             283
@@ -318,11 +318,13 @@
 #define __NR_pselect6           297
 #define __NR_ppoll              298
 #define __NR_unshare            299
+#define __NR_set_robust_list    300
+#define __NR_get_robust_list    301
 
-/* WARNING: You MAY NOT add syscall numbers larger than 299, since
+/* WARNING: You MAY NOT add syscall numbers larger than 301, since
  *          all of the syscall tables in the Sparc kernel are
- *          sized to have 299 entries (starting at zero).  Therefore
- *          find a free slot in the 0-299 range.
+ *          sized to have 301 entries (starting at zero).  Therefore
+ *          find a free slot in the 0-301 range.
  */
 
 #define _syscall0(type,name) \