diff options
author | Karolina Drobnik <karolinadrobnik@gmail.com> | 2022-02-02 14:03:10 +0300 |
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committer | Mike Rapoport <rppt@linux.ibm.com> | 2022-02-20 09:44:37 +0300 |
commit | f3252a22d1f59d89cca769431efa1c95d6343929 (patch) | |
tree | 924a6a46092b6f7493f1f76029d8772c5eb981c0 /tools/testing/memblock/tests | |
parent | 16802e55dea9534c18a30bd8eeefea8a06337916 (diff) | |
download | linux-f3252a22d1f59d89cca769431efa1c95d6343929.tar.xz |
memblock tests: Add memblock reset function
Memblock simulator needs to be able to reset memblock data structures
between different test cases. Add a function that sets all fields to
their default values.
Add a test checking if memblock is being initialized to expected values.
Signed-off-by: Karolina Drobnik <karolinadrobnik@gmail.com>
Signed-off-by: Mike Rapoport <rppt@kernel.org>
Link: https://lore.kernel.org/r/8c185aa7e0dd68c2c7e937c9a06c90ae413e240f.1643796665.git.karolinadrobnik@gmail.com
Diffstat (limited to 'tools/testing/memblock/tests')
-rw-r--r-- | tools/testing/memblock/tests/basic_api.c | 32 | ||||
-rw-r--r-- | tools/testing/memblock/tests/basic_api.h | 10 | ||||
-rw-r--r-- | tools/testing/memblock/tests/common.c | 27 | ||||
-rw-r--r-- | tools/testing/memblock/tests/common.h | 15 |
4 files changed, 84 insertions, 0 deletions
diff --git a/tools/testing/memblock/tests/basic_api.c b/tools/testing/memblock/tests/basic_api.c new file mode 100644 index 000000000000..7f2597b3dd4d --- /dev/null +++ b/tools/testing/memblock/tests/basic_api.c @@ -0,0 +1,32 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +#include <string.h> +#include <linux/memblock.h> +#include "basic_api.h" + +#define EXPECTED_MEMBLOCK_REGIONS 128 + +static int memblock_initialization_check(void) +{ + reset_memblock(); + + assert(memblock.memory.regions); + assert(memblock.memory.cnt == 1); + assert(memblock.memory.max == EXPECTED_MEMBLOCK_REGIONS); + assert(strcmp(memblock.memory.name, "memory") == 0); + + assert(memblock.reserved.regions); + assert(memblock.reserved.cnt == 1); + assert(memblock.memory.max == EXPECTED_MEMBLOCK_REGIONS); + assert(strcmp(memblock.reserved.name, "reserved") == 0); + + assert(!memblock.bottom_up); + assert(memblock.current_limit == MEMBLOCK_ALLOC_ANYWHERE); + + return 0; +} + +int memblock_basic_checks(void) +{ + memblock_initialization_check(); + return 0; +} diff --git a/tools/testing/memblock/tests/basic_api.h b/tools/testing/memblock/tests/basic_api.h new file mode 100644 index 000000000000..1ceecfca1f47 --- /dev/null +++ b/tools/testing/memblock/tests/basic_api.h @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#ifndef _MEMBLOCK_BASIC_H +#define _MEMBLOCK_BASIC_H + +#include <assert.h> +#include "common.h" + +int memblock_basic_checks(void); + +#endif diff --git a/tools/testing/memblock/tests/common.c b/tools/testing/memblock/tests/common.c new file mode 100644 index 000000000000..03de6eab0c3c --- /dev/null +++ b/tools/testing/memblock/tests/common.c @@ -0,0 +1,27 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +#include "tests/common.h" +#include <string.h> + +#define INIT_MEMBLOCK_REGIONS 128 +#define INIT_MEMBLOCK_RESERVED_REGIONS INIT_MEMBLOCK_REGIONS + +void reset_memblock(void) +{ + memset(memblock.memory.regions, 0, + memblock.memory.cnt * sizeof(struct memblock_region)); + memset(memblock.reserved.regions, 0, + memblock.reserved.cnt * sizeof(struct memblock_region)); + + memblock.memory.cnt = 1; + memblock.memory.max = INIT_MEMBLOCK_REGIONS; + memblock.memory.name = "memory"; + memblock.memory.total_size = 0; + + memblock.reserved.cnt = 1; + memblock.reserved.max = INIT_MEMBLOCK_RESERVED_REGIONS; + memblock.reserved.name = "reserved"; + memblock.reserved.total_size = 0; + + memblock.bottom_up = false; + memblock.current_limit = MEMBLOCK_ALLOC_ANYWHERE; +} diff --git a/tools/testing/memblock/tests/common.h b/tools/testing/memblock/tests/common.h new file mode 100644 index 000000000000..48efc4270ea1 --- /dev/null +++ b/tools/testing/memblock/tests/common.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#ifndef _MEMBLOCK_TEST_H +#define _MEMBLOCK_TEST_H + +#include <linux/types.h> +#include <linux/memblock.h> + +struct region { + phys_addr_t base; + phys_addr_t size; +}; + +void reset_memblock(void); + +#endif |