Add a test to check the management of reserved region with flags.
Signed-off-by: Patrick Delaunay <patrick.delau...@st.com>
---
test/lib/lmb.c | 89 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 89 insertions(+)
diff --git a/test/lib/lmb.c b/test/lib/lmb.c
index 644ee78758..d7bd826190 100644
--- a/test/lib/lmb.c
+++ b/test/lib/lmb.c
@@ -659,3 +659,92 @@ static int lib_test_lmb_get_free_size(struct
unit_test_state *uts)
DM_TEST(lib_test_lmb_get_free_size,
UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
+
+static int lib_test_lmb_flags(struct unit_test_state *uts)
+{
+ const phys_addr_t ram = 0x40000000;
+ const phys_size_t ram_size = 0x20000000;
+ struct lmb lmb;
+ long ret;
+
+ lmb_init(&lmb);
+
+ ret = lmb_add(&lmb, ram, ram_size);
+ ut_asserteq(ret, 0);
+
+ /* reserve, same flag */
+ ret = lmb_reserve_flags(&lmb, 0x40010000, 0x10000, LMB_NOMAP);
+ ut_asserteq(ret, 0);
+ ASSERT_LMB(&lmb, ram, ram_size, 1, 0x40010000, 0x10000,
+ 0, 0, 0, 0);
+
+ /* reserve again, same flag */
+ ret = lmb_reserve_flags(&lmb, 0x40010000, 0x10000, LMB_NOMAP);
+ ut_asserteq(ret, 0);
+ ASSERT_LMB(&lmb, ram, ram_size, 1, 0x40010000, 0x10000,
+ 0, 0, 0, 0);
+
+ /* reserve again, new flag */
+ ret = lmb_reserve_flags(&lmb, 0x40010000, 0x10000, LMB_NONE);
+ ut_asserteq(ret, -1);
+ ASSERT_LMB(&lmb, ram, ram_size, 1, 0x40010000, 0x10000,
+ 0, 0, 0, 0);
+
+ ut_asserteq(lmb_is_nomap(&lmb.reserved.region[0]), 1);
+
+ /* merge after */
+ ret = lmb_reserve_flags(&lmb, 0x40020000, 0x10000, LMB_NOMAP);
+ ut_asserteq(ret, 1);
+ ASSERT_LMB(&lmb, ram, ram_size, 1, 0x40010000, 0x20000,
+ 0, 0, 0, 0);
+
+ /* merge before */
+ ret = lmb_reserve_flags(&lmb, 0x40000000, 0x10000, LMB_NOMAP);
+ ut_asserteq(ret, 1);
+ ASSERT_LMB(&lmb, ram, ram_size, 1, 0x40000000, 0x30000,
+ 0, 0, 0, 0);
+
+ ut_asserteq(lmb_is_nomap(&lmb.reserved.region[0]), 1);
+
+ ret = lmb_reserve_flags(&lmb, 0x40030000, 0x10000, LMB_NONE);
+ ut_asserteq(ret, 0);
+ ASSERT_LMB(&lmb, ram, ram_size, 2, 0x40000000, 0x30000,
+ 0x40030000, 0x10000, 0, 0);
+
+ ut_asserteq(lmb_is_nomap(&lmb.reserved.region[0]), 1);
+ ut_asserteq(lmb_is_nomap(&lmb.reserved.region[1]), 0);
+
+ /* test that old API use LMB_NONE */
+ ret = lmb_reserve(&lmb, 0x40040000, 0x10000);
+ ut_asserteq(ret, 1);
+ ASSERT_LMB(&lmb, ram, ram_size, 2, 0x40000000, 0x30000,
+ 0x40030000, 0x20000, 0, 0);
+
+ ut_asserteq(lmb_is_nomap(&lmb.reserved.region[0]), 1);
+ ut_asserteq(lmb_is_nomap(&lmb.reserved.region[1]), 0);
+
+ ret = lmb_reserve_flags(&lmb, 0x40070000, 0x10000, LMB_NOMAP);
+ ut_asserteq(ret, 0);
+ ASSERT_LMB(&lmb, ram, ram_size, 3, 0x40000000, 0x30000,
+ 0x40030000, 0x20000, 0x40070000, 0x10000);
+
+ ret = lmb_reserve_flags(&lmb, 0x40050000, 0x10000, LMB_NOMAP);
+ ut_asserteq(ret, 0);
+ ASSERT_LMB(&lmb, ram, ram_size, 4, 0x40000000, 0x30000,
+ 0x40030000, 0x20000, 0x40050000, 0x10000);
+
+ /* merge with 2 adjacent regions */
+ ret = lmb_reserve_flags(&lmb, 0x40060000, 0x10000, LMB_NOMAP);
+ ut_asserteq(ret, 2);
+ ASSERT_LMB(&lmb, ram, ram_size, 3, 0x40000000, 0x30000,
+ 0x40030000, 0x20000, 0x40050000, 0x30000);
+
+ ut_asserteq(lmb_is_nomap(&lmb.reserved.region[0]), 1);
+ ut_asserteq(lmb_is_nomap(&lmb.reserved.region[1]), 0);
+ ut_asserteq(lmb_is_nomap(&lmb.reserved.region[2]), 1);
+
+ return 0;
+}
+
+DM_TEST(lib_test_lmb_flags,
+ UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
--
2.17.1
