msm: adsprpc: Share initial debug config to DSP

This change enables sharing of a new page to DSP.
New page will contain inital debug parameters which we
need to pass to the DSP during the process initiation.

Change-Id: I8ae12cb364811a97eca3f15e70106b36bcec3f54
Signed-off-by: Vamsi Krishna Gattupalli <quic_vgattupa@quicinc.com>

dsp/adsprpc_shared.h

@@ -202,6 +202,15 @@ struct remote_buf {
 	size_t len;		/* length of buffer */
 };
 
+/* structure to hold fd and size of buffer shared with DSP,
+* which contains inital debug parameters that needs to be passed
+* during process initialization.
+*/
+struct fastrpc_proc_sharedbuf_info {
+	int buf_fd;
+	int buf_size;
+};
+
 struct remote_dma_handle {
 	int fd;
 	uint32_t offset;
@@ -299,6 +308,7 @@ enum fastrpc_invoke2_type {
 	FASTRPC_INVOKE2_ASYNC_RESPONSE = 2,
 	FASTRPC_INVOKE2_KERNEL_OPTIMIZATIONS,
 	FASTRPC_INVOKE2_STATUS_NOTIF,
+	FASTRPC_INVOKE2_PROC_SHAREDBUF_INFO,
 };
 
 struct fastrpc_ioctl_invoke2 {
@@ -1116,6 +1126,12 @@ struct fastrpc_file {
 	bool exit_notif;
 	/* Flag to indicate async thread exit requested*/
 	bool exit_async;
+	/*
+	* structure to hold fd and size of buffer shared with DSP,
+	* which contains initial debug configurations and other initial
+	* config paramters.
+	*/
+	struct fastrpc_proc_sharedbuf_info sharedbuf_info;
 };
 
 union fastrpc_ioctl_param {