Open source GPL/LGPL release

drivers/gpu/nvgpu/hal/fifo/engine_status_gm20b.c

@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2019-2020, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <nvgpu/io.h>
+#include <nvgpu/debug.h>
+#include <nvgpu/gk20a.h>
+#include <nvgpu/engine_status.h>
+#include <nvgpu/engines.h>
+#include <nvgpu/fifo.h>
+
+#include <nvgpu/hw/gm20b/hw_fifo_gm20b.h>
+
+#include "engine_status_gm20b.h"
+
+void gm20b_dump_engine_status(struct gk20a *g, struct nvgpu_debug_context *o)
+{
+	u32 i, host_num_engines;
+	struct nvgpu_engine_status_info engine_status;
+
+	host_num_engines = nvgpu_get_litter_value(g, GPU_LIT_HOST_NUM_ENGINES);
+
+	gk20a_debug_output(o, "Engine status - chip %-5s", g->name);
+	gk20a_debug_output(o, "--------------------------");
+
+	for (i = 0; i < host_num_engines; i++) {
+		if (!nvgpu_engine_check_valid_id(g, i)) {
+			/* Skip invalid engines */
+			continue;
+		}
+
+		g->ops.engine_status.read_engine_status_info(g, i, &engine_status);
+
+		gk20a_debug_output(o,
+			"Engine %d | "
+			"ID: %d - %-9s next_id: %d %-9s | status: %s",
+			i,
+			engine_status.ctx_id,
+			nvgpu_engine_status_is_ctx_type_tsg(
+				&engine_status) ?
+				"[tsg]" : "[channel]",
+			engine_status.ctx_next_id,
+			nvgpu_engine_status_is_next_ctx_type_tsg(
+				&engine_status) ?
+				"[tsg]" : "[channel]",
+			nvgpu_fifo_decode_pbdma_ch_eng_status(
+				engine_status.ctxsw_state));
+
+		if (engine_status.is_faulted) {
+			gk20a_debug_output(o, "  State: faulted");
+		}
+		if (engine_status.is_busy) {
+			gk20a_debug_output(o, "  State: busy");
+		}
+	}
+	gk20a_debug_output(o, " ");
+}