Lines Matching full:rtas

16 #include <asm/rtas.h>
17 #include <asm/rtas-work-area.h>
40  * FW introduces send HVPIPE and recv HVPIPE RTAS calls for
43  * These RTAS functions have the following certain requirements
54  * Follow the similar interfaces that the OS has for other RTAS calls.
59  * - write(fd, buf, size) --> Issue send HVPIPE RTAS call and
60  *   returns size for success or the corresponding error for RTAS
65  * - read(fd, buf, size) --> Issue recv HVPIPE RTAS call and
66  *   returns size for success or the corresponding error for RTAS
71  * ibm,receive-hvpipe-msg RTAS call.
73  * @srcID: Source ID returned by the RTAS call.
74  * @bytesw: Bytes written by RTAS call to @area.
119  * ibm,send-hvpipe-msg RTAS call
176  * RTAS call. Called from read()
178  *       from recv HVPIPE RTAS.
189 		pr_err("Could not allocate RTAS buffer for recv pipe\n");  in hvpipe_rtas_recv_msg()
197 		 * Recv HVPIPE RTAS is successful.  in hvpipe_rtas_recv_msg()
199 		 * specific source, issue recv HVPIPE RTAS call  in hvpipe_rtas_recv_msg()
225  * papr_hvpipe_handle_write -  Issue send HVPIPE RTAS and return
226  * the size (payload + HVPIPE_HDR_LEN) for RTAS success.
227  * Otherwise returns the status of RTAS to the user space
247 	 * Send HVPIPE RTAS is used to send payload to the specific  in papr_hvpipe_handle_write()
318  * source is pending in the hypervisor, issue recv HVPIPE RTAS
383 	 * recv HVPIPE RTAS.  in papr_hvpipe_handle_read()
459 	 * payload, issue recv HVPIPE RTAS so that pipe will not  in papr_hvpipe_handle_release()
590  * papr_hvpipe_work_fn - called to issue recv HVPIPE RTAS for
603  * recv HVPIPE RTAS.
636 	 * available to read with recv HVPIPE RTAS and it will not  in hvpipe_event_interrupt()
648 	 * payload, issue recv HVPIPE RTAS (papr_hvpipe_work_fn())  in hvpipe_event_interrupt()
668 		 * execute receive pipe RTAS so that pipe will not  in hvpipe_event_interrupt()
778 	if (!of_find_property(rtas.dev, "ibm,hypervisor-pipe-capable",  in papr_hvpipe_init()