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 --- test/dm/scmi.c | 112 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 112 insertions(+)
diff --git a/test/dm/scmi.c b/test/dm/scmi.c index 881be3171b7c..563017bb63e0 100644 --- a/test/dm/scmi.c +++ b/test/dm/scmi.c @@ -16,6 +16,9 @@ #include <clk.h> #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> #include <dm/test.h> @@ -95,6 +98,115 @@ 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; + const struct scmi_base_ops *ops; + u32 version, num_agents, num_protocols, impl_version; + u32 attributes, agent_id; + char vendor[SCMI_BASE_NAME_LENGTH_MAX], + agent_name[SCMI_BASE_NAME_LENGTH_MAX]; + u8 *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)); + ut_assertnonnull(ops = dev_get_driver_ops(base)); + + /* version */ + ret = (*ops->protocol_version)(base, &version); + ut_assertok(ret); + ut_asserteq(priv->version, version); + + /* protocol attributes */ + ret = (*ops->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 = (*ops->base_discover_vendor)(base, vendor); + ut_assertok(ret); + ut_asserteq_str(priv->vendor, vendor); + + /* message attributes */ + ret = (*ops->protocol_message_attrs)(base, + SCMI_BASE_DISCOVER_SUB_VENDOR, + &attributes); + ut_assertok(ret); + ut_assertok(attributes); + + /* discover sub vendor */ + ret = (*ops->base_discover_sub_vendor)(base, vendor); + ut_assertok(ret); + ut_asserteq_str(priv->sub_vendor, vendor); + + /* impl version */ + ret = (*ops->base_discover_impl_version)(base, &impl_version); + ut_assertok(ret); + ut_asserteq(priv->impl_version, impl_version); + + /* discover agent (my self) */ + ret = (*ops->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); + + /* discover protocols */ + ret = (*ops->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 = (*ops->base_set_device_permissions)(base, agent_id, 0, + SCMI_BASE_SET_DEVICE_PERMISSIONS_ACCESS); + ut_assertok(ret); /* SCMI_SUCCESS */ + ret = (*ops->base_set_device_permissions)(base, agent_id, 1, + SCMI_BASE_SET_DEVICE_PERMISSIONS_ACCESS); + ut_asserteq(-ENOENT, ret); /* SCMI_NOT_FOUND */ + ret = (*ops->base_set_device_permissions)(base, agent_id, 0, 0); + ut_asserteq(-EACCES, ret); /* SCMI_DENIED */ + + /* set protocol permissions */ + ret = (*ops->base_set_protocol_permissions)(base, agent_id, 0, + SCMI_PROTOCOL_ID_CLOCK, + SCMI_BASE_SET_PROTOCOL_PERMISSIONS_ACCESS); + ut_assertok(ret); /* SCMI_SUCCESS */ + ret = (*ops->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 = (*ops->base_set_protocol_permissions)(base, agent_id, 0, + SCMI_PROTOCOL_ID_CLOCK, 0); + ut_asserteq(-EACCES, ret); /* SCMI_DENIED */ + + /* reset agent configuration */ + ret = (*ops->base_reset_agent_configuration)(base, agent_id, 0); + ut_asserteq(-EACCES, ret); /* SCMI_DENIED */ + ret = (*ops->base_reset_agent_configuration)(base, agent_id, + SCMI_BASE_RESET_ALL_ACCESS_PERMISSIONS); + ut_asserteq(-EACCES, ret); /* SCMI_DENIED */ + ret = (*ops->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;