diff options
Diffstat (limited to 'include/uapi/linux/android/binder.h')
-rw-r--r-- | include/uapi/linux/android/binder.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/include/uapi/linux/android/binder.h b/include/uapi/linux/android/binder.h index f67c2b1c0713..f3ef6e2634ba 100644 --- a/include/uapi/linux/android/binder.h +++ b/include/uapi/linux/android/binder.h @@ -33,6 +33,7 @@ enum { BINDER_TYPE_HANDLE = B_PACK_CHARS('s', 'h', '*', B_TYPE_LARGE), BINDER_TYPE_WEAK_HANDLE = B_PACK_CHARS('w', 'h', '*', B_TYPE_LARGE), BINDER_TYPE_FD = B_PACK_CHARS('f', 'd', '*', B_TYPE_LARGE), + BINDER_TYPE_PTR = B_PACK_CHARS('p', 't', '*', B_TYPE_LARGE), }; enum { @@ -95,6 +96,39 @@ struct binder_fd_object { binder_uintptr_t cookie; }; + +/* struct binder_buffer_object - object describing a userspace buffer + * @hdr: common header structure + * @flags: one or more BINDER_BUFFER_* flags + * @buffer: address of the buffer + * @length: length of the buffer + * @parent: index in offset array pointing to parent buffer + * @parent_offset: offset in @parent pointing to this buffer + * + * A binder_buffer object represents an object that the + * binder kernel driver can copy verbatim to the target + * address space. A buffer itself may be pointed to from + * within another buffer, meaning that the pointer inside + * that other buffer needs to be fixed up as well. This + * can be done by setting the BINDER_BUFFER_FLAG_HAS_PARENT + * flag in @flags, by setting @parent buffer to the index + * in the offset array pointing to the parent binder_buffer_object, + * and by setting @parent_offset to the offset in the parent buffer + * at which the pointer to this buffer is located. + */ +struct binder_buffer_object { + struct binder_object_header hdr; + __u32 flags; + binder_uintptr_t buffer; + binder_size_t length; + binder_size_t parent; + binder_size_t parent_offset; +}; + +enum { + BINDER_BUFFER_FLAG_HAS_PARENT = 0x01, +}; + /* * On 64-bit platforms where user code may run in 32-bits the driver must * translate the buffer (and local binder) addresses appropriately. @@ -187,6 +221,11 @@ struct binder_transaction_data { } data; }; +struct binder_transaction_data_sg { + struct binder_transaction_data transaction_data; + binder_size_t buffers_size; +}; + struct binder_ptr_cookie { binder_uintptr_t ptr; binder_uintptr_t cookie; @@ -371,6 +410,12 @@ enum binder_driver_command_protocol { /* * void *: cookie */ + + BC_TRANSACTION_SG = _IOW('c', 17, struct binder_transaction_data_sg), + BC_REPLY_SG = _IOW('c', 18, struct binder_transaction_data_sg), + /* + * binder_transaction_data_sg: the sent command. + */ }; #endif /* _UAPI_LINUX_BINDER_H */ |