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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Tests for read and write commands
*/
#include <dm/test.h>
#include <mapmem.h>
#include <part.h>
#include <test/test.h>
#include <test/ut.h>
static int setup_partitions(struct unit_test_state *uts, struct blk_desc **mmc_dev_desc)
{
char str_disk_guid[UUID_STR_LEN + 1];
struct disk_partition parts[2] = {
{
.start = 48, /* GPT data takes up the first 34 blocks or so */
.size = 4,
.name = "data",
},
{
.start = 52,
.size = 10,
.name = "log",
},
};
ut_asserteq(2, blk_get_device_by_str("mmc", "2", mmc_dev_desc));
if (CONFIG_IS_ENABLED(RANDOM_UUID)) {
gen_rand_uuid_str(parts[0].uuid, UUID_STR_FORMAT_STD);
gen_rand_uuid_str(parts[1].uuid, UUID_STR_FORMAT_STD);
gen_rand_uuid_str(str_disk_guid, UUID_STR_FORMAT_STD);
}
ut_assertok(gpt_restore(*mmc_dev_desc, str_disk_guid, parts,
ARRAY_SIZE(parts)));
return 0;
}
/* Fill the write buffer with pseudo-random data, clear the read buffer. */
static void init_buffers(char *rb, char *wb, size_t size, unsigned seed)
{
memset(rb, 0, size);
while (size--) {
*wb++ = seed;
seed *= 43;
seed += 17 + size/4;
}
}
static int dm_test_read_write(struct unit_test_state *uts)
{
struct blk_desc *dev_desc;
char wbuf[1024], rbuf[1024];
ulong wa, ra;
#define INIT_BUFFERS() init_buffers(rbuf, wbuf, sizeof(rbuf), __LINE__)
ut_assertok(setup_partitions(uts, &dev_desc));
wa = map_to_sysmem(wbuf);
ra = map_to_sysmem(rbuf);
/* Simple test, write to/read from same partition. */
INIT_BUFFERS();
ut_assertok(run_commandf("write mmc 2:1 0x%lx 0 2", wa));
ut_assertok(run_commandf("read mmc 2:1 0x%lx 0 2", ra));
ut_assertok(memcmp(wbuf, rbuf, sizeof(wbuf)));
ut_assertok(run_commandf("read mmc 2:1 0x%lx 1 1", ra));
ut_assertok(memcmp(&wbuf[512], rbuf, 512));
/* Use name for write, number for read. */
INIT_BUFFERS();
ut_assertok(run_commandf("write mmc 2#log 0x%lx 0 2", wa));
ut_assertok(run_commandf("read mmc 2:2 0x%lx 0 2", ra));
ut_assertok(memcmp(wbuf, rbuf, sizeof(wbuf)));
/* Use full device for write, name for read. */
INIT_BUFFERS();
ut_assertok(run_commandf("write mmc 2:0 0x%lx 0x30 2", wa));
ut_assertok(run_commandf("read mmc 2#data 0x%lx 0 2", ra));
ut_assertok(memcmp(wbuf, rbuf, sizeof(wbuf)));
/* Use name for write, full device for read */
INIT_BUFFERS();
ut_assertok(run_commandf("write mmc 2#log 0x%lx 1 2", wa));
ut_assertok(run_commandf("read mmc 2:0 0x%lx 0x35 2", ra));
ut_assertok(memcmp(wbuf, rbuf, sizeof(wbuf)));
/* Read/write outside partition bounds should be rejected upfront. */
console_record_reset_enable();
ut_asserteq(1, run_commandf("read mmc 2#data 0x%lx 3 2", ra));
ut_assert_nextlinen("read out of range");
ut_assert_console_end();
console_record_reset_enable();
ut_asserteq(1, run_commandf("write mmc 2#log 0x%lx 9 2", wa));
ut_assert_nextlinen("write out of range");
ut_assert_console_end();
return 0;
}
DM_TEST(dm_test_read_write, UT_TESTF_SCAN_FDT | UT_TESTF_CONSOLE_REC);
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