This function sends an IPI message to a destination CPU.
Prototype
u32 XMailbox_SendData(XMailbox *InstancePtr, u32 RemoteId, void *BufferPtr, u32 MsgLen, u8 BufferType, u8 Is_Blocking);Parameters
The following table lists the XMailbox_SendData function arguments.
| Type | Name | Description |
|---|---|---|
XMailbox
* |
InstancePtr |
Pointer to the
XMailbox
instance
|
| u32 | RemoteId | is the Mask of the CPU to which IPI is to be triggered |
| void * | BufferPtr | is the pointer to Buffer which contains the message to be sent |
| u32 | MsgLen | is the length of the buffer/message |
| u8 | BufferType | is the type of buffer (XILMBOX_MSG_TYPE_REQ (OR) XILMBOX_MSG_TYPE_RESP) |
| u8 | Is_Blocking | if set trigger the notification in blocking mode |
Returns
- XST_SUCCESS if successful
- XST_FAILURE if unsuccessful