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/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef _MEMBLOCK_TEST_H
#define _MEMBLOCK_TEST_H
#include <stdlib.h>
#include <assert.h>
#include <linux/types.h>
#include <linux/seq_file.h>
#include <linux/memblock.h>
#include <linux/sizes.h>
#include <linux/printk.h>
#include <../selftests/kselftest.h>
#define MEM_SIZE SZ_16K
#define NUMA_NODES 8
enum test_flags {
/* No special request. */
TEST_F_NONE = 0x0,
/* Perform raw allocations (no zeroing of memory). */
TEST_F_RAW = 0x1,
};
/**
* ASSERT_EQ():
* Check the condition
* @_expected == @_seen
* If false, print failed test message (if running with --verbose) and then
* assert.
*/
#define ASSERT_EQ(_expected, _seen) do { \
if ((_expected) != (_seen)) \
test_fail(); \
assert((_expected) == (_seen)); \
} while (0)
/**
* ASSERT_NE():
* Check the condition
* @_expected != @_seen
* If false, print failed test message (if running with --verbose) and then
* assert.
*/
#define ASSERT_NE(_expected, _seen) do { \
if ((_expected) == (_seen)) \
test_fail(); \
assert((_expected) != (_seen)); \
} while (0)
/**
* ASSERT_LT():
* Check the condition
* @_expected < @_seen
* If false, print failed test message (if running with --verbose) and then
* assert.
*/
#define ASSERT_LT(_expected, _seen) do { \
if ((_expected) >= (_seen)) \
test_fail(); \
assert((_expected) < (_seen)); \
} while (0)
/**
* ASSERT_LE():
* Check the condition
* @_expected <= @_seen
* If false, print failed test message (if running with --verbose) and then
* assert.
*/
#define ASSERT_LE(_expected, _seen) do { \
if ((_expected) > (_seen)) \
test_fail(); \
assert((_expected) <= (_seen)); \
} while (0)
/**
* ASSERT_MEM_EQ():
* Check that the first @_size bytes of @_seen are all equal to @_expected.
* If false, print failed test message (if running with --verbose) and then
* assert.
*/
#define ASSERT_MEM_EQ(_seen, _expected, _size) do { \
for (int _i = 0; _i < (_size); _i++) { \
ASSERT_EQ(((char *)_seen)[_i], (_expected)); \
} \
} while (0)
/**
* ASSERT_MEM_NE():
* Check that none of the first @_size bytes of @_seen are equal to @_expected.
* If false, print failed test message (if running with --verbose) and then
* assert.
*/
#define ASSERT_MEM_NE(_seen, _expected, _size) do { \
for (int _i = 0; _i < (_size); _i++) { \
ASSERT_NE(((char *)_seen)[_i], (_expected)); \
} \
} while (0)
#define PREFIX_PUSH() prefix_push(__func__)
/*
* Available memory registered with memblock needs to be valid for allocs
* test to run. This is a convenience wrapper for memory allocated in
* dummy_physical_memory_init() that is later registered with memblock
* in setup_memblock().
*/
struct test_memory {
void *base;
};
struct region {
phys_addr_t base;
phys_addr_t size;
};
static inline phys_addr_t __maybe_unused region_end(struct memblock_region *rgn)
{
return rgn->base + rgn->size;
}
void reset_memblock_regions(void);
void reset_memblock_attributes(void);
void setup_memblock(void);
void setup_numa_memblock(const unsigned int node_fracs[]);
void dummy_physical_memory_init(void);
void dummy_physical_memory_cleanup(void);
void parse_args(int argc, char **argv);
void test_fail(void);
void test_pass(void);
void test_print(const char *fmt, ...);
void prefix_reset(void);
void prefix_push(const char *prefix);
void prefix_pop(void);
static inline void test_pass_pop(void)
{
test_pass();
prefix_pop();
}
static inline void run_top_down(int (*func)())
{
memblock_set_bottom_up(false);
prefix_push("top-down");
func();
prefix_pop();
}
static inline void run_bottom_up(int (*func)())
{
memblock_set_bottom_up(true);
prefix_push("bottom-up");
func();
prefix_pop();
}
static inline void assert_mem_content(void *mem, int size, int flags)
{
if (flags & TEST_F_RAW)
ASSERT_MEM_NE(mem, 0, size);
else
ASSERT_MEM_EQ(mem, 0, size);
}
#endif
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