Changeset 250717cc in mainline for libipc

Timestamp:

2006-05-16T09:30:42Z (20 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

ec153a0

Parents:

51d6f80

Message:

Add services.h to codify service numbers.
Assign codes for PCI, keyboard and frame buffer services.

Rename ipc_answer() to ipc_answer_fast() and add the basic
slower variant and call it ipc_answer(). Add some doxygen comments.

Remove unused bits from the libpci library.

Location:

libipc

Files:

• generic/ipc.c (modified) (1 diff)
• include/ipc.h (modified) (1 diff)
• include/services.h (added)

libipc/generic/ipc.c

@@ -148 +148 @@
 
 
-/** Send answer to a received call */
-ipcarg_t ipc_answer(ipc_callid_t callid, ipcarg_t retval, ipcarg_t arg1,
+/** Send a fast answer to a received call.
+ *
+ * The fast answer makes use of passing retval and first two arguments in registers.
+ * If you need to return more, use the ipc_answer() instead.
+ *
+ * @param callid ID of the call being answered.
+ * @param retval Return value.
+ * @param arg1 First return argument.
+ * @param arg2 Second return argument.
+ *
+ * @return Zero on success or a value from @ref errno.h on failure.
+ */
+ipcarg_t ipc_answer_fast(ipc_callid_t callid, ipcarg_t retval, ipcarg_t arg1,
                 ipcarg_t arg2)
 {
         return __SYSCALL4(SYS_IPC_ANSWER_FAST, callid, retval, arg1, arg2);
 }
+
+/** Send a full answer to a received call.
+ *
+ * @param callid ID of the call being answered.
+ * @param call Call data. Must be already initialized by the responder.
+ *
+ * @return Zero on success or a value from @ref errno.h on failure.
+ */
+ipcarg_t ipc_answer(ipc_callid_t callid, ipc_call_t *call)
+{
+        return __SYSCALL2(SYS_IPC_ANSWER, callid, (sysarg_t) call);
+}
+
 
 /** Try to dispatch queed calls from async queue */

libipc/include/ipc.h

@@ -55 +55 @@
                          ipcarg_t *result);
 extern ipc_callid_t ipc_wait_for_call(ipc_call_t *data, int flags);
-extern ipcarg_t ipc_answer(ipc_callid_t callid, ipcarg_t retval, ipcarg_t arg1,
+extern ipcarg_t ipc_answer_fast(ipc_callid_t callid, ipcarg_t retval, ipcarg_t arg1,
                            ipcarg_t arg2);
+extern ipcarg_t ipc_answer(ipc_callid_t callid, ipc_call_t *call);
 
 #define ipc_call_async(phoneid,method,arg1,private, callback) (ipc_call_async_2(phoneid, method, arg1, 0, private, callback))