Commit e8109694 authored by John Snow's avatar John Snow
Browse files

qtest/ahci: ATAPI data tests 



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: default avatarJohn Snow <jsnow@redhat.com>
Message-id: 1452282920-21550-9-git-send-email-jsnow@redhat.com
parent 9350df7c

tests/ahci-test.c

+97 −0
Original line number Diff line number Diff line
@@ -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 */