gpu: ion: Move msm specific functions to msm_ion.h
msm only functionality that google does not want belongs
in msm_ion.h, not generic ion code. Move the definitons
to msm_ion.h.
Change-Id: I16cb780dd880fd102f59a6528671c49eb374de01
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
diff --git a/include/linux/ion.h b/include/linux/ion.h
index ffd1f48..15d5a11 100644
--- a/include/linux/ion.h
+++ b/include/linux/ion.h
@@ -141,17 +141,6 @@
unsigned int heap_mask, const char *name);
/**
- * msm_ion_client_create - allocate a client using the ion_device specified in
- * drivers/gpu/ion/msm/msm_ion.c
- *
- * heap_mask and name are the same as ion_client_create, return values
- * are the same as ion_client_create.
- */
-
-struct ion_client *msm_ion_client_create(unsigned int heap_mask,
- const char *name);
-
-/**
* ion_client_destroy() - free's a client and all it's handles
* @client: the client
*
@@ -253,124 +242,6 @@
*/
struct ion_handle *ion_import_dma_buf(struct ion_client *client, int fd);
-/**
- * ion_handle_get_flags - get the flags for a given handle
- *
- * @client - client who allocated the handle
- * @handle - handle to get the flags
- * @flags - pointer to store the flags
- *
- * Gets the current flags for a handle. These flags indicate various options
- * of the buffer (caching, security, etc.)
- */
-int ion_handle_get_flags(struct ion_client *client, struct ion_handle *handle,
- unsigned long *flags);
-
-
-/**
- * ion_map_iommu - map the given handle into an iommu
- *
- * @client - client who allocated the handle
- * @handle - handle to map
- * @domain_num - domain number to map to
- * @partition_num - partition number to allocate iova from
- * @align - alignment for the iova
- * @iova_length - length of iova to map. If the iova length is
- * greater than the handle length, the remaining
- * address space will be mapped to a dummy buffer.
- * @iova - pointer to store the iova address
- * @buffer_size - pointer to store the size of the buffer
- * @flags - flags for options to map
- * @iommu_flags - flags specific to the iommu.
- *
- * Maps the handle into the iova space specified via domain number. Iova
- * will be allocated from the partition specified via partition_num.
- * Returns 0 on success, negative value on error.
- */
-int ion_map_iommu(struct ion_client *client, struct ion_handle *handle,
- int domain_num, int partition_num, unsigned long align,
- unsigned long iova_length, unsigned long *iova,
- unsigned long *buffer_size,
- unsigned long flags, unsigned long iommu_flags);
-
-
-/**
- * ion_handle_get_size - get the allocated size of a given handle
- *
- * @client - client who allocated the handle
- * @handle - handle to get the size
- * @size - pointer to store the size
- *
- * gives the allocated size of a handle. returns 0 on success, negative
- * value on error
- *
- * NOTE: This is intended to be used only to get a size to pass to map_iommu.
- * You should *NOT* rely on this for any other usage.
- */
-
-int ion_handle_get_size(struct ion_client *client, struct ion_handle *handle,
- unsigned long *size);
-
-/**
- * ion_unmap_iommu - unmap the handle from an iommu
- *
- * @client - client who allocated the handle
- * @handle - handle to unmap
- * @domain_num - domain to unmap from
- * @partition_num - partition to unmap from
- *
- * Decrement the reference count on the iommu mapping. If the count is
- * 0, the mapping will be removed from the iommu.
- */
-void ion_unmap_iommu(struct ion_client *client, struct ion_handle *handle,
- int domain_num, int partition_num);
-
-
-/**
- * ion_secure_heap - secure a heap
- *
- * @client - a client that has allocated from the heap heap_id
- * @heap_id - heap id to secure.
- * @version - version of content protection
- * @data - extra data needed for protection
- *
- * Secure a heap
- * Returns 0 on success
- */
-int ion_secure_heap(struct ion_device *dev, int heap_id, int version,
- void *data);
-
-/**
- * ion_unsecure_heap - un-secure a heap
- *
- * @client - a client that has allocated from the heap heap_id
- * @heap_id - heap id to un-secure.
- * @version - version of content protection
- * @data - extra data needed for protection
- *
- * Un-secure a heap
- * Returns 0 on success
- */
-int ion_unsecure_heap(struct ion_device *dev, int heap_id, int version,
- void *data);
-
-/**
- * msm_ion_do_cache_op - do cache operations.
- *
- * @client - pointer to ION client.
- * @handle - pointer to buffer handle.
- * @vaddr - virtual address to operate on.
- * @len - Length of data to do cache operation on.
- * @cmd - Cache operation to perform:
- * ION_IOC_CLEAN_CACHES
- * ION_IOC_INV_CACHES
- * ION_IOC_CLEAN_INV_CACHES
- *
- * Returns 0 on success
- */
-int msm_ion_do_cache_op(struct ion_client *client, struct ion_handle *handle,
- void *vaddr, unsigned long len, unsigned int cmd);
-
#else
static inline void ion_reserve(struct ion_platform_data *data)
{
@@ -383,12 +254,6 @@
return ERR_PTR(-ENODEV);
}
-static inline struct ion_client *msm_ion_client_create(unsigned int heap_mask,
- const char *name)
-{
- return ERR_PTR(-ENODEV);
-}
-
static inline void ion_client_destroy(struct ion_client *client) { }
static inline struct ion_handle *ion_alloc(struct ion_client *client,
@@ -440,54 +305,6 @@
return -ENODEV;
}
-static inline int ion_map_iommu(struct ion_client *client,
- struct ion_handle *handle, int domain_num,
- int partition_num, unsigned long align,
- unsigned long iova_length, unsigned long *iova,
- unsigned long *buffer_size,
- unsigned long flags,
- unsigned long iommu_flags)
-{
- return -ENODEV;
-}
-
-static inline int ion_handle_get_size(struct ion_client *client,
- struct ion_handle *handle, unsigned long *size)
-{
- return -ENODEV;
-}
-
-static inline void ion_unmap_iommu(struct ion_client *client,
- struct ion_handle *handle, int domain_num,
- int partition_num)
-{
- return;
-}
-
-static inline int ion_secure_heap(struct ion_device *dev, int heap_id,
- int version, void *data)
-{
- return -ENODEV;
-
-}
-
-static inline int ion_unsecure_heap(struct ion_device *dev, int heap_id,
- int version, void *data)
-{
- return -ENODEV;
-}
-
-static inline void ion_mark_dangling_buffers_locked(struct ion_device *dev)
-{
-}
-
-static inline int msm_ion_do_cache_op(struct ion_client *client,
- struct ion_handle *handle, void *vaddr,
- unsigned long len, unsigned int cmd)
-{
- return -ENODEV;
-}
-
#endif /* CONFIG_ION */
#endif /* __KERNEL__ */
diff --git a/include/linux/msm_ion.h b/include/linux/msm_ion.h
index 3c3c7a9..396fcd8 100644
--- a/include/linux/msm_ion.h
+++ b/include/linux/msm_ion.h
@@ -194,9 +194,138 @@
#ifdef CONFIG_ION
/**
+ * msm_ion_client_create - allocate a client using the ion_device specified in
+ * drivers/gpu/ion/msm/msm_ion.c
+ *
+ * heap_mask and name are the same as ion_client_create, return values
+ * are the same as ion_client_create.
+ */
+
+struct ion_client *msm_ion_client_create(unsigned int heap_mask,
+ const char *name);
+
+/**
+ * ion_handle_get_flags - get the flags for a given handle
+ *
+ * @client - client who allocated the handle
+ * @handle - handle to get the flags
+ * @flags - pointer to store the flags
+ *
+ * Gets the current flags for a handle. These flags indicate various options
+ * of the buffer (caching, security, etc.)
+ */
+int ion_handle_get_flags(struct ion_client *client, struct ion_handle *handle,
+ unsigned long *flags);
+
+
+/**
+ * ion_map_iommu - map the given handle into an iommu
+ *
+ * @client - client who allocated the handle
+ * @handle - handle to map
+ * @domain_num - domain number to map to
+ * @partition_num - partition number to allocate iova from
+ * @align - alignment for the iova
+ * @iova_length - length of iova to map. If the iova length is
+ * greater than the handle length, the remaining
+ * address space will be mapped to a dummy buffer.
+ * @iova - pointer to store the iova address
+ * @buffer_size - pointer to store the size of the buffer
+ * @flags - flags for options to map
+ * @iommu_flags - flags specific to the iommu.
+ *
+ * Maps the handle into the iova space specified via domain number. Iova
+ * will be allocated from the partition specified via partition_num.
+ * Returns 0 on success, negative value on error.
+ */
+int ion_map_iommu(struct ion_client *client, struct ion_handle *handle,
+ int domain_num, int partition_num, unsigned long align,
+ unsigned long iova_length, unsigned long *iova,
+ unsigned long *buffer_size,
+ unsigned long flags, unsigned long iommu_flags);
+
+
+/**
+ * ion_handle_get_size - get the allocated size of a given handle
+ *
+ * @client - client who allocated the handle
+ * @handle - handle to get the size
+ * @size - pointer to store the size
+ *
+ * gives the allocated size of a handle. returns 0 on success, negative
+ * value on error
+ *
+ * NOTE: This is intended to be used only to get a size to pass to map_iommu.
+ * You should *NOT* rely on this for any other usage.
+ */
+
+int ion_handle_get_size(struct ion_client *client, struct ion_handle *handle,
+ unsigned long *size);
+
+/**
+ * ion_unmap_iommu - unmap the handle from an iommu
+ *
+ * @client - client who allocated the handle
+ * @handle - handle to unmap
+ * @domain_num - domain to unmap from
+ * @partition_num - partition to unmap from
+ *
+ * Decrement the reference count on the iommu mapping. If the count is
+ * 0, the mapping will be removed from the iommu.
+ */
+void ion_unmap_iommu(struct ion_client *client, struct ion_handle *handle,
+ int domain_num, int partition_num);
+
+
+/**
+ * ion_secure_heap - secure a heap
+ *
+ * @client - a client that has allocated from the heap heap_id
+ * @heap_id - heap id to secure.
+ * @version - version of content protection
+ * @data - extra data needed for protection
+ *
+ * Secure a heap
+ * Returns 0 on success
+ */
+int ion_secure_heap(struct ion_device *dev, int heap_id, int version,
+ void *data);
+
+/**
+ * ion_unsecure_heap - un-secure a heap
+ *
+ * @client - a client that has allocated from the heap heap_id
+ * @heap_id - heap id to un-secure.
+ * @version - version of content protection
+ * @data - extra data needed for protection
+ *
+ * Un-secure a heap
+ * Returns 0 on success
+ */
+int ion_unsecure_heap(struct ion_device *dev, int heap_id, int version,
+ void *data);
+
+/**
+ * msm_ion_do_cache_op - do cache operations.
+ *
+ * @client - pointer to ION client.
+ * @handle - pointer to buffer handle.
+ * @vaddr - virtual address to operate on.
+ * @len - Length of data to do cache operation on.
+ * @cmd - Cache operation to perform:
+ * ION_IOC_CLEAN_CACHES
+ * ION_IOC_INV_CACHES
+ * ION_IOC_CLEAN_INV_CACHES
+ *
+ * Returns 0 on success
+ */
+int msm_ion_do_cache_op(struct ion_client *client, struct ion_handle *handle,
+ void *vaddr, unsigned long len, unsigned int cmd);
+
+/**
* msm_ion_secure_heap - secure a heap. Wrapper around ion_secure_heap.
*
- * @heap_id - heap id to secure.
+ * @heap_id - heap id to secure.
*
* Secure a heap
* Returns 0 on success
@@ -257,6 +386,60 @@
int msm_ion_unsecure_buffer(struct ion_client *client,
struct ion_handle *handle);
#else
+static inline struct ion_client *msm_ion_client_create(unsigned int heap_mask,
+ const char *name)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline int ion_map_iommu(struct ion_client *client,
+ struct ion_handle *handle, int domain_num,
+ int partition_num, unsigned long align,
+ unsigned long iova_length, unsigned long *iova,
+ unsigned long *buffer_size,
+ unsigned long flags,
+ unsigned long iommu_flags)
+{
+ return -ENODEV;
+}
+
+static inline int ion_handle_get_size(struct ion_client *client,
+ struct ion_handle *handle, unsigned long *size)
+{
+ return -ENODEV;
+}
+
+static inline void ion_unmap_iommu(struct ion_client *client,
+ struct ion_handle *handle, int domain_num,
+ int partition_num)
+{
+ return;
+}
+
+static inline int ion_secure_heap(struct ion_device *dev, int heap_id,
+ int version, void *data)
+{
+ return -ENODEV;
+
+}
+
+static inline int ion_unsecure_heap(struct ion_device *dev, int heap_id,
+ int version, void *data)
+{
+ return -ENODEV;
+}
+
+static inline void ion_mark_dangling_buffers_locked(struct ion_device *dev)
+{
+}
+
+static inline int msm_ion_do_cache_op(struct ion_client *client,
+ struct ion_handle *handle, void *vaddr,
+ unsigned long len, unsigned int cmd)
+{
+ return -ENODEV;
+}
+
static inline int msm_ion_secure_heap(int heap_id)
{
return -ENODEV;