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test: dm: add SCMI base protocol test

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Added is a new unit test for SCMI base protocol, which will exercise all
the commands provided by the protocol, except SCMI_BASE_NOTIFY_ERRORS.
  $ ut dm scmi_base
It is assumed that test.dtb is used as sandbox's device tree.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Etienne Carriere <etienne.carriere@foss.st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
AKASHI Takahiro
2023-10-13 16:59:24 -04:00
committed by Tom Rini
parent 8c5def59e8
commit 93ecae9eea
1 changed files with 109 additions and 0 deletions
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test/dm/scmi.c
+109
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@@ -17,6 +17,7 @@
#include <dm.h>
#include <reset.h>
#include <scmi_agent.h>
#include <scmi_agent-uclass.h>
#include <scmi_protocols.h>
#include <asm/scmi_test.h>
#include <dm/device-internal.h>
@@ -97,6 +98,114 @@ static int dm_test_scmi_sandbox_agent(struct unit_test_state *uts)
}
DM_TEST(dm_test_scmi_sandbox_agent, UT_TESTF_SCAN_FDT);
static int dm_test_scmi_base(struct unit_test_state *uts)
{
struct udevice *agent_dev, *base;
struct scmi_agent_priv *priv;
u32 version, num_agents, num_protocols, impl_version;
u32 attributes, agent_id;
u8 *vendor, *agent_name, *protocols;
int ret;
/* preparation */
ut_assertok(uclass_get_device_by_name(UCLASS_SCMI_AGENT, "scmi",
&agent_dev));
ut_assertnonnull(agent_dev);
ut_assertnonnull(priv = dev_get_uclass_plat(agent_dev));
ut_assertnonnull(base = scmi_get_protocol(agent_dev,
SCMI_PROTOCOL_ID_BASE));
/* version */
ret = scmi_base_protocol_version(base, &version);
ut_assertok(ret);
ut_asserteq(priv->version, version);
/* protocol attributes */
ret = scmi_base_protocol_attrs(base, &num_agents, &num_protocols);
ut_assertok(ret);
ut_asserteq(priv->num_agents, num_agents);
ut_asserteq(priv->num_protocols, num_protocols);
/* discover vendor */
ret = scmi_base_discover_vendor(base, &vendor);
ut_assertok(ret);
ut_asserteq_str(priv->vendor, vendor);
free(vendor);
/* message attributes */
ret = scmi_base_protocol_message_attrs(base,
SCMI_BASE_DISCOVER_SUB_VENDOR,
&attributes);
ut_assertok(ret);
ut_assertok(attributes);
/* discover sub vendor */
ret = scmi_base_discover_sub_vendor(base, &vendor);
ut_assertok(ret);
ut_asserteq_str(priv->sub_vendor, vendor);
free(vendor);
/* impl version */
ret = scmi_base_discover_impl_version(base, &impl_version);
ut_assertok(ret);
ut_asserteq(priv->impl_version, impl_version);
/* discover agent (my self) */
ret = scmi_base_discover_agent(base, 0xffffffff, &agent_id,
&agent_name);
ut_assertok(ret);
ut_asserteq(priv->agent_id, agent_id);
ut_asserteq_str(priv->agent_name, agent_name);
free(agent_name);
/* discover protocols */
ret = scmi_base_discover_list_protocols(base, &protocols);
ut_asserteq(num_protocols, ret);
ut_asserteq_mem(priv->protocols, protocols, sizeof(u8) * num_protocols);
free(protocols);
/*
* NOTE: Sandbox SCMI driver handles device-0 only. It supports setting
* access and protocol permissions, but doesn't allow unsetting them nor
* resetting the configurations.
*/
/* set device permissions */
ret = scmi_base_set_device_permissions(base, agent_id, 0,
SCMI_BASE_SET_DEVICE_PERMISSIONS_ACCESS);
ut_assertok(ret); /* SCMI_SUCCESS */
ret = scmi_base_set_device_permissions(base, agent_id, 1,
SCMI_BASE_SET_DEVICE_PERMISSIONS_ACCESS);
ut_asserteq(-ENOENT, ret); /* SCMI_NOT_FOUND */
ret = scmi_base_set_device_permissions(base, agent_id, 0, 0);
ut_asserteq(-EACCES, ret); /* SCMI_DENIED */
/* set protocol permissions */
ret = scmi_base_set_protocol_permissions(base, agent_id, 0,
SCMI_PROTOCOL_ID_CLOCK,
SCMI_BASE_SET_PROTOCOL_PERMISSIONS_ACCESS);
ut_assertok(ret); /* SCMI_SUCCESS */
ret = scmi_base_set_protocol_permissions(base, agent_id, 1,
SCMI_PROTOCOL_ID_CLOCK,
SCMI_BASE_SET_PROTOCOL_PERMISSIONS_ACCESS);
ut_asserteq(-ENOENT, ret); /* SCMI_NOT_FOUND */
ret = scmi_base_set_protocol_permissions(base, agent_id, 0,
SCMI_PROTOCOL_ID_CLOCK, 0);
ut_asserteq(-EACCES, ret); /* SCMI_DENIED */
/* reset agent configuration */
ret = scmi_base_reset_agent_configuration(base, agent_id, 0);
ut_asserteq(-EACCES, ret); /* SCMI_DENIED */
ret = scmi_base_reset_agent_configuration(base, agent_id,
SCMI_BASE_RESET_ALL_ACCESS_PERMISSIONS);
ut_asserteq(-EACCES, ret); /* SCMI_DENIED */
ret = scmi_base_reset_agent_configuration(base, agent_id, 0);
ut_asserteq(-EACCES, ret); /* SCMI_DENIED */
return 0;
}
DM_TEST(dm_test_scmi_base, UT_TESTF_SCAN_FDT);
static int dm_test_scmi_clocks(struct unit_test_state *uts)
{
struct sandbox_scmi_agent *agent;