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qtest/ahci: ATAPI data tests

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Simple I/O tests for DMA and PIO pathways in the AHCI HBA.

I believe at this point in time all of the common, major IO pathways
in BMDMA and AHCI are covered by qtests now.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 1452282920-21550-9-git-send-email-jsnow@redhat.com
This commit is contained in:
John Snow 2016-01-11 14:10:43 -05:00
parent 9350df7cea
commit e8109694c7
1 changed files with 97 additions and 0 deletions
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97
tests/ahci-test.c
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@ -1413,6 +1413,98 @@ static void test_ncq_simple(void)
ahci_shutdown(ahci);
}
static int prepare_iso(size_t size, unsigned char **buf, char **name)
{
char cdrom_path[] = "/tmp/qtest.iso.XXXXXX";
unsigned char *patt;
ssize_t ret;
int fd = mkstemp(cdrom_path);
g_assert(buf);
g_assert(name);
patt = g_malloc(size);
/* Generate a pattern and build a CDROM image to read from */
generate_pattern(patt, size, ATAPI_SECTOR_SIZE);
ret = write(fd, patt, size);
g_assert(ret == size);
*name = g_strdup(cdrom_path);
*buf = patt;
return fd;
}
static void remove_iso(int fd, char *name)
{
unlink(name);
g_free(name);
close(fd);
}
static int ahci_cb_cmp_buff(AHCIQState *ahci, AHCICommand *cmd,
const AHCIOpts *opts)
{
unsigned char *tx = opts->opaque;
unsigned char *rx = g_malloc0(opts->size);
bufread(opts->buffer, rx, opts->size);
g_assert_cmphex(memcmp(tx, rx, opts->size), ==, 0);
g_free(rx);
return 0;
}
static void ahci_test_cdrom(int nsectors, bool dma)
{
AHCIQState *ahci;
unsigned char *tx;
char *iso;
int fd;
AHCIOpts opts = {
.size = (ATAPI_SECTOR_SIZE * nsectors),
.atapi = true,
.atapi_dma = dma,
.post_cb = ahci_cb_cmp_buff,
};
/* Prepare ISO and fill 'tx' buffer */
fd = prepare_iso(1024 * 1024, &tx, &iso);
opts.opaque = tx;
/* Standard startup wonkery, but use ide-cd and our special iso file */
ahci = ahci_boot_and_enable("-drive if=none,id=drive0,file=%s,format=raw "
"-M q35 "
"-device ide-cd,drive=drive0 ", iso);
/* Build & Send AHCI command */
ahci_exec(ahci, ahci_port_select(ahci), CMD_ATAPI_READ_10, &opts);
/* Cleanup */
g_free(tx);
ahci_shutdown(ahci);
remove_iso(fd, iso);
}
static void test_cdrom_dma(void)
{
ahci_test_cdrom(1, true);
}
static void test_cdrom_dma_multi(void)
{
ahci_test_cdrom(3, true);
}
static void test_cdrom_pio(void)
{
ahci_test_cdrom(1, false);
}
static void test_cdrom_pio_multi(void)
{
ahci_test_cdrom(3, false);
}
/******************************************************************************/
/* AHCI I/O Test Matrix Definitions */
@ -1697,6 +1789,11 @@ int main(int argc, char **argv)
qtest_add_func("/ahci/io/ncq/retry", test_halted_ncq);
qtest_add_func("/ahci/migrate/ncq/halted", test_migrate_halted_ncq);
qtest_add_func("/ahci/cdrom/dma/single", test_cdrom_dma);
qtest_add_func("/ahci/cdrom/dma/multi", test_cdrom_dma_multi);
qtest_add_func("/ahci/cdrom/pio/single", test_cdrom_pio);
qtest_add_func("/ahci/cdrom/pio/multi", test_cdrom_pio_multi);
ret = g_test_run();
/* Cleanup */