1 files changed, 12 insertions, 280 deletions

diff --git a/include/linux/i2o.h b/include/linux/i2o.h
index 75ae6d8aba4f..4c4e57d1f19d 100644
--- a/include/linux/i2o.h
+++ b/include/linux/i2o.h
@@ -570,7 +570,6 @@ struct i2o_controller {
 #endif
         spinlock_t lock;        /* lock for controller
                                    configuration */
-
         void *driver_data[I2O_MAX_DRIVERS];     /* storage for drivers */
 };
 
@@ -691,289 +690,22 @@ static inline u32 i2o_dma_high(dma_addr_t dma_addr)
 };
 #endif
 
-/**
- *      i2o_sg_tablesize - Calculate the maximum number of elements in a SGL
- *      @c: I2O controller for which the calculation should be done
- *      @body_size: maximum body size used for message in 32-bit words.
- *
- *      Return the maximum number of SG elements in a SG list.
- */
-static inline u16 i2o_sg_tablesize(struct i2o_controller *c, u16 body_size)
-{
-        i2o_status_block *sb = c->status_block.virt;
-        u16 sg_count =
-            (sb->inbound_frame_size - sizeof(struct i2o_message) / 4) -
-            body_size;
-
-        if (c->pae_support) {
-                /*
-                 * for 64-bit a SG attribute element must be added and each
-                 * SG element needs 12 bytes instead of 8.
-                 */
-                sg_count -= 2;
-                sg_count /= 3;
-        } else
-                sg_count /= 2;
-
-        if (c->short_req && (sg_count > 8))
-                sg_count = 8;
-
-        return sg_count;
-};
-
-/**
- *      i2o_dma_map_single - Map pointer to controller and fill in I2O message.
- *      @c: I2O controller
- *      @ptr: pointer to the data which should be mapped
- *      @size: size of data in bytes
- *      @direction: DMA_TO_DEVICE / DMA_FROM_DEVICE
- *      @sg_ptr: pointer to the SG list inside the I2O message
- *
- *      This function does all necessary DMA handling and also writes the I2O
- *      SGL elements into the I2O message. For details on DMA handling see also
- *      dma_map_single(). The pointer sg_ptr will only be set to the end of the
- *      SG list if the allocation was successful.
- *
- *      Returns DMA address which must be checked for failures using
- *      dma_mapping_error().
- */
-static inline dma_addr_t i2o_dma_map_single(struct i2o_controller *c, void *ptr,
+extern u16 i2o_sg_tablesize(struct i2o_controller *c, u16 body_size);
+extern dma_addr_t i2o_dma_map_single(struct i2o_controller *c, void *ptr,
                                             size_t size,
                                             enum dma_data_direction direction,
-                                            u32 ** sg_ptr)
-{
-        u32 sg_flags;
-        u32 *mptr = *sg_ptr;
-        dma_addr_t dma_addr;
-
-        switch (direction) {
-        case DMA_TO_DEVICE:
-                sg_flags = 0xd4000000;
-                break;
-        case DMA_FROM_DEVICE:
-                sg_flags = 0xd0000000;
-                break;
-        default:
-                return 0;
-        }
-
-        dma_addr = dma_map_single(&c->pdev->dev, ptr, size, direction);
-        if (!dma_mapping_error(&c->pdev->dev, dma_addr)) {
-#ifdef CONFIG_I2O_EXT_ADAPTEC_DMA64
-                if ((sizeof(dma_addr_t) > 4) && c->pae_support) {
-                        *mptr++ = cpu_to_le32(0x7C020002);
-                        *mptr++ = cpu_to_le32(PAGE_SIZE);
-                }
-#endif
-
-                *mptr++ = cpu_to_le32(sg_flags | size);
-                *mptr++ = cpu_to_le32(i2o_dma_low(dma_addr));
-#ifdef CONFIG_I2O_EXT_ADAPTEC_DMA64
-                if ((sizeof(dma_addr_t) > 4) && c->pae_support)
-                        *mptr++ = cpu_to_le32(i2o_dma_high(dma_addr));
-#endif
-                *sg_ptr = mptr;
-        }
-        return dma_addr;
-};
-
-/**
- *      i2o_dma_map_sg - Map a SG List to controller and fill in I2O message.
- *      @c: I2O controller
- *      @sg: SG list to be mapped
- *      @sg_count: number of elements in the SG list
- *      @direction: DMA_TO_DEVICE / DMA_FROM_DEVICE
- *      @sg_ptr: pointer to the SG list inside the I2O message
- *
- *      This function does all necessary DMA handling and also writes the I2O
- *      SGL elements into the I2O message. For details on DMA handling see also
- *      dma_map_sg(). The pointer sg_ptr will only be set to the end of the SG
- *      list if the allocation was successful.
- *
- *      Returns 0 on failure or 1 on success.
- */
-static inline int i2o_dma_map_sg(struct i2o_controller *c,
+                                            u32 ** sg_ptr);
+extern int i2o_dma_map_sg(struct i2o_controller *c,
                                  struct scatterlist *sg, int sg_count,
                                  enum dma_data_direction direction,
-                                 u32 ** sg_ptr)
-{
-        u32 sg_flags;
-        u32 *mptr = *sg_ptr;
-
-        switch (direction) {
-        case DMA_TO_DEVICE:
-                sg_flags = 0x14000000;
-                break;
-        case DMA_FROM_DEVICE:
-                sg_flags = 0x10000000;
-                break;
-        default:
-                return 0;
-        }
-
-        sg_count = dma_map_sg(&c->pdev->dev, sg, sg_count, direction);
-        if (!sg_count)
-                return 0;
-
-#ifdef CONFIG_I2O_EXT_ADAPTEC_DMA64
-        if ((sizeof(dma_addr_t) > 4) && c->pae_support) {
-                *mptr++ = cpu_to_le32(0x7C020002);
-                *mptr++ = cpu_to_le32(PAGE_SIZE);
-        }
-#endif
-
-        while (sg_count-- > 0) {
-                if (!sg_count)
-                        sg_flags |= 0xC0000000;
-                *mptr++ = cpu_to_le32(sg_flags | sg_dma_len(sg));
-                *mptr++ = cpu_to_le32(i2o_dma_low(sg_dma_address(sg)));
-#ifdef CONFIG_I2O_EXT_ADAPTEC_DMA64
-                if ((sizeof(dma_addr_t) > 4) && c->pae_support)
-                        *mptr++ = cpu_to_le32(i2o_dma_high(sg_dma_address(sg)));
-#endif
-                sg = sg_next(sg);
-        }
-        *sg_ptr = mptr;
-
-        return 1;
-};
-
-/**
- *      i2o_dma_alloc - Allocate DMA memory
- *      @dev: struct device pointer to the PCI device of the I2O controller
- *      @addr: i2o_dma struct which should get the DMA buffer
- *      @len: length of the new DMA memory
- *      @gfp_mask: GFP mask
- *
- *      Allocate a coherent DMA memory and write the pointers into addr.
- *
- *      Returns 0 on success or -ENOMEM on failure.
- */
-static inline int i2o_dma_alloc(struct device *dev, struct i2o_dma *addr,
-                                size_t len, gfp_t gfp_mask)
-{
-        struct pci_dev *pdev = to_pci_dev(dev);
-        int dma_64 = 0;
-
-        if ((sizeof(dma_addr_t) > 4) && (pdev->dma_mask == DMA_64BIT_MASK)) {
-                dma_64 = 1;
-                if (pci_set_dma_mask(pdev, DMA_32BIT_MASK))
-                        return -ENOMEM;
-        }
-
-        addr->virt = dma_alloc_coherent(dev, len, &addr->phys, gfp_mask);
-
-        if ((sizeof(dma_addr_t) > 4) && dma_64)
-                if (pci_set_dma_mask(pdev, DMA_64BIT_MASK))
-                        printk(KERN_WARNING "i2o: unable to set 64-bit DMA");
-
-        if (!addr->virt)
-                return -ENOMEM;
-
-        memset(addr->virt, 0, len);
-        addr->len = len;
-
-        return 0;
-};
-
-/**
- *      i2o_dma_free - Free DMA memory
- *      @dev: struct device pointer to the PCI device of the I2O controller
- *      @addr: i2o_dma struct which contains the DMA buffer
- *
- *      Free a coherent DMA memory and set virtual address of addr to NULL.
- */
-static inline void i2o_dma_free(struct device *dev, struct i2o_dma *addr)
-{
-        if (addr->virt) {
-                if (addr->phys)
-                        dma_free_coherent(dev, addr->len, addr->virt,
-                                          addr->phys);
-                else
-                        kfree(addr->virt);
-                addr->virt = NULL;
-        }
-};
-
-/**
- *      i2o_dma_realloc - Realloc DMA memory
- *      @dev: struct device pointer to the PCI device of the I2O controller
- *      @addr: pointer to a i2o_dma struct DMA buffer
- *      @len: new length of memory
- *      @gfp_mask: GFP mask
- *
- *      If there was something allocated in the addr, free it first. If len > 0
- *      than try to allocate it and write the addresses back to the addr
- *      structure. If len == 0 set the virtual address to NULL.
- *
- *      Returns the 0 on success or negative error code on failure.
- */
-static inline int i2o_dma_realloc(struct device *dev, struct i2o_dma *addr,
-                                  size_t len, gfp_t gfp_mask)
-{
-        i2o_dma_free(dev, addr);
-
-        if (len)
-                return i2o_dma_alloc(dev, addr, len, gfp_mask);
-
-        return 0;
-};
-
-/*
- *      i2o_pool_alloc - Allocate an slab cache and mempool
- *      @mempool: pointer to struct i2o_pool to write data into.
- *      @name: name which is used to identify cache
- *      @size: size of each object
- *      @min_nr: minimum number of objects
- *
- *      First allocates a slab cache with name and size. Then allocates a
- *      mempool which uses the slab cache for allocation and freeing.
- *
- *      Returns 0 on success or negative error code on failure.
- */
-static inline int i2o_pool_alloc(struct i2o_pool *pool, const char *name,
-                                 size_t size, int min_nr)
-{
-        pool->name = kmalloc(strlen(name) + 1, GFP_KERNEL);
-        if (!pool->name)
-                goto exit;
-        strcpy(pool->name, name);
-
-        pool->slab =
-            kmem_cache_create(pool->name, size, 0, SLAB_HWCACHE_ALIGN, NULL);
-        if (!pool->slab)
-                goto free_name;
-
-        pool->mempool = mempool_create_slab_pool(min_nr, pool->slab);
-        if (!pool->mempool)
-                goto free_slab;
-
-        return 0;
-
-      free_slab:
-        kmem_cache_destroy(pool->slab);
-
-      free_name:
-        kfree(pool->name);
-
-      exit:
-        return -ENOMEM;
-};
-
-/*
- *      i2o_pool_free - Free slab cache and mempool again
- *      @mempool: pointer to struct i2o_pool which should be freed
- *
- *      Note that you have to return all objects to the mempool again before
- *      calling i2o_pool_free().
- */
-static inline void i2o_pool_free(struct i2o_pool *pool)
-{
-        mempool_destroy(pool->mempool);
-        kmem_cache_destroy(pool->slab);
-        kfree(pool->name);
-};
-
+                                 u32 ** sg_ptr);
+extern int i2o_dma_alloc(struct device *dev, struct i2o_dma *addr, size_t len);
+extern void i2o_dma_free(struct device *dev, struct i2o_dma *addr);
+extern int i2o_dma_realloc(struct device *dev, struct i2o_dma *addr,
+                                                                size_t len);
+extern int i2o_pool_alloc(struct i2o_pool *pool, const char *name,
+                                 size_t size, int min_nr);
+extern void i2o_pool_free(struct i2o_pool *pool);
 /* I2O driver (OSM) functions */
 extern int i2o_driver_register(struct i2o_driver *);
 extern void i2o_driver_unregister(struct i2o_driver *);