[Sound-open-firmware] [PATCH 1/4] Add IPC new message type and structure for sending DMA trace host offset.

[yan.wang at linux.intel.com]

From: Yan Wang <yan.wang at linux.intel.com>

It is used to update DMA trace host offset to kernel for realtime
output DMA trace.

Signed-off-by: Yan Wang <yan.wang at linux.intel.com>
---
 src/include/uapi/ipc.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/include/uapi/ipc.h b/src/include/uapi/ipc.h
index fc83721..07235e1 100644
--- a/src/include/uapi/ipc.h
+++ b/src/include/uapi/ipc.h
@@ -118,6 +118,7 @@
 
 /* trace and debug */
 #define SOF_IPC_TRACE_DMA_PARAMS		SOF_CMD_TYPE(0x001)
+#define SOF_IPC_TRACE_DMA_POSITION		SOF_CMD_TYPE(0x002)
 
 /* Get message component id */
 #define SOF_IPC_MESSAGE_ID(x)			(x & 0xffff)
@@ -810,4 +811,10 @@ struct sof_ipc_dma_trace_params {
 	struct sof_ipc_host_buffer buffer;
 }  __attribute__((packed));
 
+/* DMA for Trace params info - SOF_IPC_DEBUG_DMA_PARAMS */
+struct sof_ipc_dma_trace_posn {
+	struct sof_ipc_reply rhdr;
+	uint32_t host_offset;	/* Offset of DMA host buffer */
+}  __attribute__((packed));
+
 #endif
-- 
2.7.4