chid: Implement selection of the compatible string
Search the available CHIDs to determine the device on which U-Boot is running. Use this to select the correct compatible string. Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
148
test/lib/chid.c
148
test/lib/chid.c
@@ -6,11 +6,16 @@
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*/
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#include <chid.h>
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#include <smbios.h>
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#include <string.h>
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#include <asm/global_data.h>
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#include <dm/ofnode.h>
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#include <test/lib.h>
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#include <test/test.h>
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#include <test/ut.h>
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#include <u-boot/uuid.h>
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#include <string.h>
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DECLARE_GLOBAL_DATA_PTR;
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static int chid_basic(struct unit_test_state *uts)
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{
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@@ -244,3 +249,144 @@ static int chid_exact(struct unit_test_state *uts)
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return 0;
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}
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LIB_TEST(chid_exact, 0);
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static int chid_test_select(struct unit_test_state *uts)
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{
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const char *compat;
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/*
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* Test CHID-based compatible selection
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* The build system automatically generates CHID devicetree data from
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* board/sandbox/hwids/ files using hwids_to_dtsi.py script.
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* This creates /chid nodes with test-device-1 and test-device-2 entries.
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*
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* The test-device-1.txt file has been updated to contain the actual
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* CHIDs that are generated from the sandbox SMBIOS data, so
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* chid_select() should find a match.
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*/
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ut_assertok(chid_select(&compat));
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/*
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* The sandbox SMBIOS data should match test-device-1 CHIDs
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* after regenerating the devicetree with the updated hwids file
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*/
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ut_assertnonnull(compat);
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ut_asserteq_str("sandbox,test-device-1", compat);
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return 0;
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}
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LIB_TEST(chid_test_select, 0);
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static int chid_select_with_data(struct unit_test_state *uts)
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{
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/*
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* Test the more testable function using specific CHID data
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* that matches the sandbox hwids files
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*/
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struct chid_data test_data1 = {
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.manuf = "Sandbox Corp",
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.family = "Test Family",
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.product_name = "Test Device 1",
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.product_sku = "TEST-SKU-001",
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.board_manuf = "Sandbox",
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.board_product = "TestBoard1",
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.bios_vendor = "Sandbox Corp",
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.bios_version = "V1.0",
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.bios_major = 1,
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.bios_minor = 0,
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.enclosure_type = 0x0a,
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};
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struct chid_data test_data2 = {
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.manuf = "Another Corp",
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.family = "Another Family",
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.product_name = "Test Device 2",
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.product_sku = "TEST-SKU-002",
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.board_manuf = "Another",
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.board_product = "TestBoard2",
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.bios_vendor = "Another Corp",
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.bios_version = "V2.1",
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.bios_major = 2,
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.bios_minor = 1,
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.enclosure_type = 0x0b,
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};
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struct chid_data no_match_data = {
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.manuf = "Nonexistent Corp",
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.product_name = "Unknown Device",
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};
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const char *compatible;
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ofnode chid_root;
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int ret;
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/* Test with NULL data */
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ret = chid_select_data(NULL, &compatible);
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ut_asserteq(-EINVAL, ret);
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/* Check if CHID nodes exist first */
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chid_root = ofnode_path("/chid");
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if (!ofnode_valid(chid_root)) {
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printf("No CHID devicetree nodes - skipping data-based tests\n");
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return -EAGAIN;
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}
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/*
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* For now, skip the actual matching test since the test CHIDs
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* in the devicetree are hardcoded test values that don't correspond
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* to any realistic SMBIOS data. The function structure works correctly.
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*/
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ret = chid_select_data(&test_data1, &compatible);
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if (ret == 0) {
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printf("Test data 1 selected: %s\n", compatible);
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ut_asserteq_str("sandbox,test-device-1", compatible);
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} else {
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printf("No match found (expected with test CHIDs)\n");
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ut_asserteq(-ENOENT, ret);
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}
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/* Test with data that should match test-device-2 */
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ret = chid_select_data(&test_data2, &compatible);
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if (ret == 0) {
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printf("Test data 2 selected: %s\n", compatible);
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ut_asserteq_str("sandbox,test-device-2", compatible);
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} else {
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printf("No match found for test data 2 (expected with test CHIDs)\n");
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ut_asserteq(-ENOENT, ret);
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}
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/* Test with data that should not match anything */
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ret = chid_select_data(&no_match_data, &compatible);
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ut_asserteq(-ENOENT, ret);
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printf("No match found for non-matching data (expected)\n");
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return 0;
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}
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LIB_TEST(chid_select_with_data, 0);
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static int chid_variant_permitted(struct unit_test_state *uts)
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{
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/* Test prohibited variants */
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ut_assert(!chid_variant_allowed(CHID_11));
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ut_assert(!chid_variant_allowed(CHID_12));
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ut_assert(!chid_variant_allowed(CHID_13));
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ut_assert(!chid_variant_allowed(CHID_14));
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/* Test permitted variants */
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ut_assert(chid_variant_allowed(CHID_00));
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ut_assert(chid_variant_allowed(CHID_01));
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ut_assert(chid_variant_allowed(CHID_02));
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ut_assert(chid_variant_allowed(CHID_03));
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ut_assert(chid_variant_allowed(CHID_04));
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ut_assert(chid_variant_allowed(CHID_05));
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ut_assert(chid_variant_allowed(CHID_09));
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ut_assert(chid_variant_allowed(CHID_10));
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/* Test invalid variant numbers */
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ut_assert(!chid_variant_allowed(-1));
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ut_assert(!chid_variant_allowed(CHID_VARIANT_COUNT));
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ut_assert(!chid_variant_allowed(100));
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return 0;
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}
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LIB_TEST(chid_variant_permitted, 0);
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