ASoC: SOF: ipc: Introduce SOF_IPC_GLB_TEST_MSG IPC command

Add a new class of IPC command along with the first
test type, IPC_FLOOD, which will be used for flooding the DSP
with IPCs.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

2 files changed, 14 insertions, 1 deletions

diff --git a/include/sound/sof/header.h b/include/sound/sof/header.h
index ab5862d80afe..12867bbd4372 100644
--- a/include/sound/sof/header.h
+++ b/include/sound/sof/header.h
@@ -49,6 +49,7 @@
 #define SOF_IPC_GLB_DAI_MSG                     SOF_GLB_TYPE(0x8U)
 #define SOF_IPC_GLB_TRACE_MSG                   SOF_GLB_TYPE(0x9U)
 #define SOF_IPC_GLB_GDB_DEBUG                   SOF_GLB_TYPE(0xAU)
+#define SOF_IPC_GLB_TEST_MSG                    SOF_GLB_TYPE(0xBU)
 
 /*
  * DSP Command Message Types
@@ -99,11 +100,14 @@
 #define SOF_IPC_STREAM_VORBIS_PARAMS            SOF_CMD_TYPE(0x010)
 #define SOF_IPC_STREAM_VORBIS_FREE              SOF_CMD_TYPE(0x011)
 
-/* trace and debug */
+/* trace */
 #define SOF_IPC_TRACE_DMA_PARAMS                SOF_CMD_TYPE(0x001)
 #define SOF_IPC_TRACE_DMA_POSITION              SOF_CMD_TYPE(0x002)
 #define SOF_IPC_TRACE_DMA_PARAMS_EXT            SOF_CMD_TYPE(0x003)
 
+/* debug */
+#define SOF_IPC_TEST_IPC_FLOOD                  SOF_CMD_TYPE(0x001)
+
 /* Get message component id */
 #define SOF_IPC_MESSAGE_ID(x)                   ((x) & 0xffff)
 
diff --git a/sound/soc/sof/ipc.c b/sound/soc/sof/ipc.c
index 2414640a32d1..558b596e2133 100644
--- a/sound/soc/sof/ipc.c
+++ b/sound/soc/sof/ipc.c
@@ -175,6 +175,15 @@ static void ipc_log_header(struct device *dev, u8 *text, u32 cmd)
                 break;
         case SOF_IPC_GLB_TRACE_MSG:
                 str = "GLB_TRACE_MSG"; break;
+        case SOF_IPC_GLB_TEST_MSG:
+                str = "GLB_TEST_MSG";
+                switch (type) {
+                case SOF_IPC_TEST_IPC_FLOOD:
+                        str2 = "IPC_FLOOD"; break;
+                default:
+                        str2 = "unknown type"; break;
+                }
+                break;
         default:
                 str = "unknown GLB command"; break;
         }