commit f6c19e1480595e339db85a1d32cb49aec9219c0d
author Alexey Romanov <avromanov@salutedevices.com> Thu Sep 21 11:13:37 2023 +0300
committer Neil Armstrong <neil.armstrong@linaro.org> Sun Oct 15 12:23:48 2023 +0200
tree eea2250d81f21101110d0a93c49c9db095b05aee
parent 9dc617db8b6cf67a3b938c21625a9ebc05ce6ef4

sandbox: add tests for UCLASS_SM

This patchs adds simple tests for Secure Monitor uclass.

Signed-off-by: Alexey Romanov <avromanov@salutedevices.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Link: https://lore.kernel.org/r/20230921081346.22157-5-avromanov@salutedevices.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>

test/dm/Makefile

diff --git a/test/dm/Makefile b/test/dm/Makefile
index 7ed0073..02c651a 100644
--- a/test/dm/Makefile
+++ b/test/dm/Makefile
@@ -115,6 +115,7 @@
 obj-$(CONFIG_SPMI) += spmi.o
 obj-y += syscon.o
 obj-$(CONFIG_RESET_SYSCON) += syscon-reset.o
+obj-$(CONFIG_SM) += sm.o
 obj-$(CONFIG_SYSINFO) += sysinfo.o
 obj-$(CONFIG_SYSINFO_GPIO) += sysinfo-gpio.o
 obj-$(CONFIG_UT_DM) += tag.o

test/dm/sm.c

diff --git a/test/dm/sm.c b/test/dm/sm.c
new file mode 100644
index 0000000..7ebb0c9
--- /dev/null
+++ b/test/dm/sm.c
@@ -0,0 +1,65 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2023 SberDevices, Inc.
+ *
+ * Author: Alexey Romanov <avromanov@salutedevices.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <sm.h>
+#include <sandbox-sm.h>
+#include <asm/ptrace.h>
+#include <dm/device-internal.h>
+#include <dm/test.h>
+#include <test/ut.h>
+#include <linux/sizes.h>
+
+static int dm_test_sm(struct unit_test_state *uts)
+{
+	struct udevice *dev;
+	struct pt_regs regs;
+	char buffer[128] = { 0 };
+	char test_string[] = "secure-monitor";
+	int ret, val;
+
+	ut_assertok(uclass_get_device_by_name(UCLASS_SM,
+		"secure-monitor", &dev));
+
+	ret = sm_call(dev, SANDBOX_SMC_CMD_COUNT, NULL, &regs);
+	ut_asserteq(ret, -EINVAL);
+
+	ret = sm_call(dev, SANDBOX_SMC_CMD_COMMON, &val, &regs);
+	ut_asserteq(ret, 0);
+	ut_asserteq(val, 0);
+
+	ret = sm_call_write(dev, buffer, sizeof(buffer),
+		SANDBOX_SMC_CMD_COUNT, &regs);
+	ut_asserteq(ret, -EINVAL);
+
+	ret = sm_call_write(dev, buffer, SZ_4K + 1,
+		SANDBOX_SMC_CMD_WRITE_MEM, &regs);
+	ut_asserteq(ret, -EINVAL);
+
+	ret = sm_call_write(dev, buffer, sizeof(buffer),
+		SANDBOX_SMC_CMD_COUNT, &regs);
+	ut_asserteq(ret, -EINVAL);
+
+	ret = sm_call_write(dev, buffer, SZ_4K + 1,
+		SANDBOX_SMC_CMD_READ_MEM, &regs);
+	ut_asserteq(ret, -EINVAL);
+
+	ret = sm_call_write(dev, test_string, sizeof(test_string),
+		SANDBOX_SMC_CMD_WRITE_MEM, &regs);
+	ut_asserteq(ret, sizeof(test_string));
+
+	ret = sm_call_read(dev, buffer, sizeof(buffer),
+		SANDBOX_SMC_CMD_READ_MEM, &regs);
+	ut_asserteq(ret, sizeof(buffer));
+
+	ut_asserteq_str(buffer, test_string);
+
+	return 0;
+}
+
+DM_TEST(dm_test_sm, UT_TESTF_SCAN_FDT);