diff options
| -rw-r--r-- | tests/ide-test.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/tests/ide-test.c b/tests/ide-test.c index 5fc496fd0a..bdc1da7dfe 100644 --- a/tests/ide-test.c +++ b/tests/ide-test.c @@ -77,6 +77,8 @@ enum { CMD_READ_DMA = 0xc8, CMD_WRITE_DMA = 0xca, CMD_IDENTIFY = 0xec, + + CMDF_ABORT = 0x100, }; enum { @@ -170,9 +172,13 @@ static int send_dma_request(int cmd, uint64_t sector, int nb_sectors, size_t len; bool from_dev; uint8_t status; + int flags; dev = get_pci_device(&bmdma_base); + flags = cmd & ~0xff; + cmd &= 0xff; + switch (cmd) { case CMD_READ_DMA: from_dev = true; @@ -209,6 +215,10 @@ static int send_dma_request(int cmd, uint64_t sector, int nb_sectors, /* Start DMA transfer */ outb(bmdma_base + bmreg_cmd, BM_CMD_START | (from_dev ? BM_CMD_WRITE : 0)); + if (flags & CMDF_ABORT) { + outb(bmdma_base + bmreg_cmd, 0); + } + /* Wait for the DMA transfer to complete */ do { status = inb(bmdma_base + bmreg_status); @@ -289,6 +299,48 @@ static void test_bmdma_simple_rw(void) g_free(cmpbuf); } +static void test_bmdma_short_prdt(void) +{ + uint8_t status; + + PrdtEntry prdt[] = { + { .addr = 0, .size = 0x10 | PRDT_EOT }, + }; + + /* Normal request */ + status = send_dma_request(CMD_READ_DMA, 0, 1, + prdt, ARRAY_SIZE(prdt)); + g_assert_cmphex(status, ==, 0); + assert_bit_clear(inb(IDE_BASE + reg_status), DF | ERR); + + /* Abort the request before it completes */ + status = send_dma_request(CMD_READ_DMA | CMDF_ABORT, 0, 1, + prdt, ARRAY_SIZE(prdt)); + g_assert_cmphex(status, ==, 0); + assert_bit_clear(inb(IDE_BASE + reg_status), DF | ERR); +} + +static void test_bmdma_long_prdt(void) +{ + uint8_t status; + + PrdtEntry prdt[] = { + { .addr = 0, .size = 0x1000 | PRDT_EOT }, + }; + + /* Normal request */ + status = send_dma_request(CMD_READ_DMA, 0, 1, + prdt, ARRAY_SIZE(prdt)); + g_assert_cmphex(status, ==, BM_STS_ACTIVE | BM_STS_INTR); + assert_bit_clear(inb(IDE_BASE + reg_status), DF | ERR); + + /* Abort the request before it completes */ + status = send_dma_request(CMD_READ_DMA | CMDF_ABORT, 0, 1, + prdt, ARRAY_SIZE(prdt)); + g_assert_cmphex(status, ==, BM_STS_INTR); + assert_bit_clear(inb(IDE_BASE + reg_status), DF | ERR); +} + static void test_bmdma_setup(void) { ide_test_start( @@ -375,6 +427,8 @@ int main(int argc, char **argv) qtest_add_func("/ide/bmdma/setup", test_bmdma_setup); qtest_add_func("/ide/bmdma/simple_rw", test_bmdma_simple_rw); + qtest_add_func("/ide/bmdma/short_prdt", test_bmdma_short_prdt); + qtest_add_func("/ide/bmdma/long_prdt", test_bmdma_long_prdt); qtest_add_func("/ide/bmdma/teardown", test_bmdma_teardown); ret = g_test_run(); |