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test: lmb: Rework lib_test_lmb_max_regions test to scale
First, this test depends on CONFIG_LMB_USE_MAX_REGIONS, so add that as a test before building. Second, instead of using a hard-coded value of 8, which is the default of CONFIG_LMB_USE_MAX_REGIONS previously, use that directly and update the comments. The only trick here is that one part of the test itself also was written with the value of 8 itself in mind. Rework the size of the lmb region we allocate to scale with the value of CONFIG_LMB_USE_MAX_REGIONS. Cc: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org>
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1 changed files with 26 additions and 18 deletions
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@ -665,10 +665,17 @@ static int lib_test_lmb_get_free_size(struct unit_test_state *uts)
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DM_TEST(lib_test_lmb_get_free_size,
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UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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#ifdef CONFIG_LMB_USE_MAX_REGIONS
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static int lib_test_lmb_max_regions(struct unit_test_state *uts)
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{
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const phys_addr_t ram = 0x00000000;
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const phys_size_t ram_size = 0x8000000;
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/*
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* All of 32bit memory space will contain regions for this test, so
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* we need to scale ram_size (which in this case is the size of the lmb
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* region) to match.
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*/
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const phys_size_t ram_size = ((0xFFFFFFFF >> CONFIG_LMB_MAX_REGIONS)
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+ 1) * CONFIG_LMB_MAX_REGIONS;
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const phys_size_t blk_size = 0x10000;
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phys_addr_t offset;
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struct lmb lmb;
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@ -677,54 +684,55 @@ static int lib_test_lmb_max_regions(struct unit_test_state *uts)
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lmb_init(&lmb);
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ut_asserteq(lmb.memory.cnt, 0);
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ut_asserteq(lmb.memory.max, 8);
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ut_asserteq(lmb.memory.max, CONFIG_LMB_MAX_REGIONS);
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ut_asserteq(lmb.reserved.cnt, 0);
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ut_asserteq(lmb.reserved.max, 8);
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ut_asserteq(lmb.reserved.max, CONFIG_LMB_MAX_REGIONS);
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/* Add 8 memory regions */
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for (i = 0; i < 8; i++) {
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/* Add CONFIG_LMB_MAX_REGIONS memory regions */
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for (i = 0; i < CONFIG_LMB_MAX_REGIONS; i++) {
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offset = ram + 2 * i * ram_size;
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ret = lmb_add(&lmb, offset, ram_size);
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ut_asserteq(ret, 0);
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}
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ut_asserteq(lmb.memory.cnt, 8);
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ut_asserteq(lmb.memory.cnt, CONFIG_LMB_MAX_REGIONS);
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ut_asserteq(lmb.reserved.cnt, 0);
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/* error for the 9th memory regions */
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offset = ram + 2 * 8 * ram_size;
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/* error for the (CONFIG_LMB_MAX_REGIONS + 1) memory regions */
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offset = ram + 2 * (CONFIG_LMB_MAX_REGIONS + 1) * ram_size;
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ret = lmb_add(&lmb, offset, ram_size);
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ut_asserteq(ret, -1);
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ut_asserteq(lmb.memory.cnt, 8);
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ut_asserteq(lmb.memory.cnt, CONFIG_LMB_MAX_REGIONS);
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ut_asserteq(lmb.reserved.cnt, 0);
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/* reserve 8 regions */
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for (i = 0; i < 8; i++) {
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/* reserve CONFIG_LMB_MAX_REGIONS regions */
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for (i = 0; i < CONFIG_LMB_MAX_REGIONS; i++) {
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offset = ram + 2 * i * blk_size;
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ret = lmb_reserve(&lmb, offset, blk_size);
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ut_asserteq(ret, 0);
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}
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ut_asserteq(lmb.memory.cnt, 8);
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ut_asserteq(lmb.reserved.cnt, 8);
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ut_asserteq(lmb.memory.cnt, CONFIG_LMB_MAX_REGIONS);
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ut_asserteq(lmb.reserved.cnt, CONFIG_LMB_MAX_REGIONS);
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/* error for the 9th reserved blocks */
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offset = ram + 2 * 8 * blk_size;
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offset = ram + 2 * (CONFIG_LMB_MAX_REGIONS + 1) * blk_size;
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ret = lmb_reserve(&lmb, offset, blk_size);
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ut_asserteq(ret, -1);
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ut_asserteq(lmb.memory.cnt, 8);
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ut_asserteq(lmb.reserved.cnt, 8);
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ut_asserteq(lmb.memory.cnt, CONFIG_LMB_MAX_REGIONS);
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ut_asserteq(lmb.reserved.cnt, CONFIG_LMB_MAX_REGIONS);
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/* check each regions */
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for (i = 0; i < 8; i++)
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for (i = 0; i < CONFIG_LMB_MAX_REGIONS; i++)
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ut_asserteq(lmb.memory.region[i].base, ram + 2 * i * ram_size);
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for (i = 0; i < 8; i++)
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for (i = 0; i < CONFIG_LMB_MAX_REGIONS; i++)
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ut_asserteq(lmb.reserved.region[i].base, ram + 2 * i * blk_size);
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return 0;
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}
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#endif
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DM_TEST(lib_test_lmb_max_regions,
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UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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