Adding qemu as a submodule of KVMFORNFV

This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>

1 files changed, 0 insertions, 857 deletions

diff --git a/qemu/tests/ide-test.c b/qemu/tests/ide-test.c
deleted file mode 100644
index 0d9ab4df9..000000000
--- a/qemu/tests/ide-test.c
+++ /dev/null
@@ -1,857 +0,0 @@
-/*
- * IDE test cases
- *
- * Copyright (c) 2013 Kevin Wolf <kwolf@redhat.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "qemu/osdep.h"
-
-#include <glib.h>
-
-#include "libqtest.h"
-#include "libqos/libqos.h"
-#include "libqos/pci-pc.h"
-#include "libqos/malloc-pc.h"
-
-#include "qemu-common.h"
-#include "hw/pci/pci_ids.h"
-#include "hw/pci/pci_regs.h"
-
-#define TEST_IMAGE_SIZE 64 * 1024 * 1024
-
-#define IDE_PCI_DEV     1
-#define IDE_PCI_FUNC    1
-
-#define IDE_BASE 0x1f0
-#define IDE_PRIMARY_IRQ 14
-
-#define ATAPI_BLOCK_SIZE 2048
-
-/* How many bytes to receive via ATAPI PIO at one time.
- * Must be less than 0xFFFF. */
-#define BYTE_COUNT_LIMIT 5120
-
-enum {
-    reg_data        = 0x0,
-    reg_feature     = 0x1,
-    reg_nsectors    = 0x2,
-    reg_lba_low     = 0x3,
-    reg_lba_middle  = 0x4,
-    reg_lba_high    = 0x5,
-    reg_device      = 0x6,
-    reg_status      = 0x7,
-    reg_command     = 0x7,
-};
-
-enum {
-    BSY     = 0x80,
-    DRDY    = 0x40,
-    DF      = 0x20,
-    DRQ     = 0x08,
-    ERR     = 0x01,
-};
-
-enum {
-    DEV     = 0x10,
-    LBA     = 0x40,
-};
-
-enum {
-    bmreg_cmd       = 0x0,
-    bmreg_status    = 0x2,
-    bmreg_prdt      = 0x4,
-};
-
-enum {
-    CMD_READ_DMA    = 0xc8,
-    CMD_WRITE_DMA   = 0xca,
-    CMD_FLUSH_CACHE = 0xe7,
-    CMD_IDENTIFY    = 0xec,
-    CMD_PACKET      = 0xa0,
-
-    CMDF_ABORT      = 0x100,
-    CMDF_NO_BM      = 0x200,
-};
-
-enum {
-    BM_CMD_START    =  0x1,
-    BM_CMD_WRITE    =  0x8, /* write = from device to memory */
-};
-
-enum {
-    BM_STS_ACTIVE   =  0x1,
-    BM_STS_ERROR    =  0x2,
-    BM_STS_INTR     =  0x4,
-};
-
-enum {
-    PRDT_EOT        = 0x80000000,
-};
-
-#define assert_bit_set(data, mask) g_assert_cmphex((data) & (mask), ==, (mask))
-#define assert_bit_clear(data, mask) g_assert_cmphex((data) & (mask), ==, 0)
-
-static QPCIBus *pcibus = NULL;
-static QGuestAllocator *guest_malloc;
-
-static char tmp_path[] = "/tmp/qtest.XXXXXX";
-static char debug_path[] = "/tmp/qtest-blkdebug.XXXXXX";
-
-static void ide_test_start(const char *cmdline_fmt, ...)
-{
-    va_list ap;
-    char *cmdline;
-
-    va_start(ap, cmdline_fmt);
-    cmdline = g_strdup_vprintf(cmdline_fmt, ap);
-    va_end(ap);
-
-    qtest_start(cmdline);
-    guest_malloc = pc_alloc_init();
-
-    g_free(cmdline);
-}
-
-static void ide_test_quit(void)
-{
-    pc_alloc_uninit(guest_malloc);
-    guest_malloc = NULL;
-    qtest_end();
-}
-
-static QPCIDevice *get_pci_device(uint16_t *bmdma_base)
-{
-    QPCIDevice *dev;
-    uint16_t vendor_id, device_id;
-
-    if (!pcibus) {
-        pcibus = qpci_init_pc();
-    }
-
-    /* Find PCI device and verify it's the right one */
-    dev = qpci_device_find(pcibus, QPCI_DEVFN(IDE_PCI_DEV, IDE_PCI_FUNC));
-    g_assert(dev != NULL);
-
-    vendor_id = qpci_config_readw(dev, PCI_VENDOR_ID);
-    device_id = qpci_config_readw(dev, PCI_DEVICE_ID);
-    g_assert(vendor_id == PCI_VENDOR_ID_INTEL);
-    g_assert(device_id == PCI_DEVICE_ID_INTEL_82371SB_1);
-
-    /* Map bmdma BAR */
-    *bmdma_base = (uint16_t)(uintptr_t) qpci_iomap(dev, 4, NULL);
-
-    qpci_device_enable(dev);
-
-    return dev;
-}
-
-static void free_pci_device(QPCIDevice *dev)
-{
-    /* libqos doesn't have a function for this, so free it manually */
-    g_free(dev);
-}
-
-typedef struct PrdtEntry {
-    uint32_t addr;
-    uint32_t size;
-} QEMU_PACKED PrdtEntry;
-
-#define assert_bit_set(data, mask) g_assert_cmphex((data) & (mask), ==, (mask))
-#define assert_bit_clear(data, mask) g_assert_cmphex((data) & (mask), ==, 0)
-
-static int send_dma_request(int cmd, uint64_t sector, int nb_sectors,
-                            PrdtEntry *prdt, int prdt_entries,
-                            void(*post_exec)(uint64_t sector, int nb_sectors))
-{
-    QPCIDevice *dev;
-    uint16_t bmdma_base;
-    uintptr_t guest_prdt;
-    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:
-    case CMD_PACKET:
-        /* Assuming we only test data reads w/ ATAPI, otherwise we need to know
-         * the SCSI command being sent in the packet, too. */
-        from_dev = true;
-        break;
-    case CMD_WRITE_DMA:
-        from_dev = false;
-        break;
-    default:
-        g_assert_not_reached();
-    }
-
-    if (flags & CMDF_NO_BM) {
-        qpci_config_writew(dev, PCI_COMMAND,
-                           PCI_COMMAND_IO | PCI_COMMAND_MEMORY);
-    }
-
-    /* Select device 0 */
-    outb(IDE_BASE + reg_device, 0 | LBA);
-
-    /* Stop any running transfer, clear any pending interrupt */
-    outb(bmdma_base + bmreg_cmd, 0);
-    outb(bmdma_base + bmreg_status, BM_STS_INTR);
-
-    /* Setup PRDT */
-    len = sizeof(*prdt) * prdt_entries;
-    guest_prdt = guest_alloc(guest_malloc, len);
-    memwrite(guest_prdt, prdt, len);
-    outl(bmdma_base + bmreg_prdt, guest_prdt);
-
-    /* ATA DMA command */
-    if (cmd == CMD_PACKET) {
-        /* Enables ATAPI DMA; otherwise PIO is attempted */
-        outb(IDE_BASE + reg_feature, 0x01);
-    } else {
-        outb(IDE_BASE + reg_nsectors, nb_sectors);
-        outb(IDE_BASE + reg_lba_low,    sector & 0xff);
-        outb(IDE_BASE + reg_lba_middle, (sector >> 8) & 0xff);
-        outb(IDE_BASE + reg_lba_high,   (sector >> 16) & 0xff);
-    }
-
-    outb(IDE_BASE + reg_command, cmd);
-
-    if (post_exec) {
-        post_exec(sector, 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);
-    } while ((status & (BM_STS_ACTIVE | BM_STS_INTR)) == BM_STS_ACTIVE);
-
-    g_assert_cmpint(get_irq(IDE_PRIMARY_IRQ), ==, !!(status & BM_STS_INTR));
-
-    /* Check IDE status code */
-    assert_bit_set(inb(IDE_BASE + reg_status), DRDY);
-    assert_bit_clear(inb(IDE_BASE + reg_status), BSY | DRQ);
-
-    /* Reading the status register clears the IRQ */
-    g_assert(!get_irq(IDE_PRIMARY_IRQ));
-
-    /* Stop DMA transfer if still active */
-    if (status & BM_STS_ACTIVE) {
-        outb(bmdma_base + bmreg_cmd, 0);
-    }
-
-    free_pci_device(dev);
-
-    return status;
-}
-
-static void test_bmdma_simple_rw(void)
-{
-    uint8_t status;
-    uint8_t *buf;
-    uint8_t *cmpbuf;
-    size_t len = 512;
-    uintptr_t guest_buf = guest_alloc(guest_malloc, len);
-
-    PrdtEntry prdt[] = {
-        {
-            .addr = cpu_to_le32(guest_buf),
-            .size = cpu_to_le32(len | PRDT_EOT),
-        },
-    };
-
-    buf = g_malloc(len);
-    cmpbuf = g_malloc(len);
-
-    /* Write 0x55 pattern to sector 0 */
-    memset(buf, 0x55, len);
-    memwrite(guest_buf, buf, len);
-
-    status = send_dma_request(CMD_WRITE_DMA, 0, 1, prdt,
-                              ARRAY_SIZE(prdt), NULL);
-    g_assert_cmphex(status, ==, BM_STS_INTR);
-    assert_bit_clear(inb(IDE_BASE + reg_status), DF | ERR);
-
-    /* Write 0xaa pattern to sector 1 */
-    memset(buf, 0xaa, len);
-    memwrite(guest_buf, buf, len);
-
-    status = send_dma_request(CMD_WRITE_DMA, 1, 1, prdt,
-                              ARRAY_SIZE(prdt), NULL);
-    g_assert_cmphex(status, ==, BM_STS_INTR);
-    assert_bit_clear(inb(IDE_BASE + reg_status), DF | ERR);
-
-    /* Read and verify 0x55 pattern in sector 0 */
-    memset(cmpbuf, 0x55, len);
-
-    status = send_dma_request(CMD_READ_DMA, 0, 1, prdt, ARRAY_SIZE(prdt), NULL);
-    g_assert_cmphex(status, ==, BM_STS_INTR);
-    assert_bit_clear(inb(IDE_BASE + reg_status), DF | ERR);
-
-    memread(guest_buf, buf, len);
-    g_assert(memcmp(buf, cmpbuf, len) == 0);
-
-    /* Read and verify 0xaa pattern in sector 1 */
-    memset(cmpbuf, 0xaa, len);
-
-    status = send_dma_request(CMD_READ_DMA, 1, 1, prdt, ARRAY_SIZE(prdt), NULL);
-    g_assert_cmphex(status, ==, BM_STS_INTR);
-    assert_bit_clear(inb(IDE_BASE + reg_status), DF | ERR);
-
-    memread(guest_buf, buf, len);
-    g_assert(memcmp(buf, cmpbuf, len) == 0);
-
-
-    g_free(buf);
-    g_free(cmpbuf);
-}
-
-static void test_bmdma_short_prdt(void)
-{
-    uint8_t status;
-
-    PrdtEntry prdt[] = {
-        {
-            .addr = 0,
-            .size = cpu_to_le32(0x10 | PRDT_EOT),
-        },
-    };
-
-    /* Normal request */
-    status = send_dma_request(CMD_READ_DMA, 0, 1,
-                              prdt, ARRAY_SIZE(prdt), NULL);
-    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), NULL);
-    g_assert_cmphex(status, ==, 0);
-    assert_bit_clear(inb(IDE_BASE + reg_status), DF | ERR);
-}
-
-static void test_bmdma_one_sector_short_prdt(void)
-{
-    uint8_t status;
-
-    /* Read 2 sectors but only give 1 sector in PRDT */
-    PrdtEntry prdt[] = {
-        {
-            .addr = 0,
-            .size = cpu_to_le32(0x200 | PRDT_EOT),
-        },
-    };
-
-    /* Normal request */
-    status = send_dma_request(CMD_READ_DMA, 0, 2,
-                              prdt, ARRAY_SIZE(prdt), NULL);
-    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, 2,
-                              prdt, ARRAY_SIZE(prdt), NULL);
-    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 = cpu_to_le32(0x1000 | PRDT_EOT),
-        },
-    };
-
-    /* Normal request */
-    status = send_dma_request(CMD_READ_DMA, 0, 1,
-                              prdt, ARRAY_SIZE(prdt), NULL);
-    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), NULL);
-    g_assert_cmphex(status, ==, BM_STS_INTR);
-    assert_bit_clear(inb(IDE_BASE + reg_status), DF | ERR);
-}
-
-static void test_bmdma_no_busmaster(void)
-{
-    uint8_t status;
-
-    /* No PRDT_EOT, each entry addr 0/size 64k, and in theory qemu shouldn't be
-     * able to access it anyway because the Bus Master bit in the PCI command
-     * register isn't set. This is complete nonsense, but it used to be pretty
-     * good at confusing and occasionally crashing qemu. */
-    PrdtEntry prdt[4096] = { };
-
-    status = send_dma_request(CMD_READ_DMA | CMDF_NO_BM, 0, 512,
-                              prdt, ARRAY_SIZE(prdt), NULL);
-
-    /* Not entirely clear what the expected result is, but this is what we get
-     * in practice. At least we want to be aware of any changes. */
-    g_assert_cmphex(status, ==, BM_STS_ACTIVE | BM_STS_INTR);
-    assert_bit_clear(inb(IDE_BASE + reg_status), DF | ERR);
-}
-
-static void test_bmdma_setup(void)
-{
-    ide_test_start(
-        "-drive file=%s,if=ide,serial=%s,cache=writeback,format=raw "
-        "-global ide-hd.ver=%s",
-        tmp_path, "testdisk", "version");
-    qtest_irq_intercept_in(global_qtest, "ioapic");
-}
-
-static void test_bmdma_teardown(void)
-{
-    ide_test_quit();
-}
-
-static void string_cpu_to_be16(uint16_t *s, size_t bytes)
-{
-    g_assert((bytes & 1) == 0);
-    bytes /= 2;
-
-    while (bytes--) {
-        *s = cpu_to_be16(*s);
-        s++;
-    }
-}
-
-static void test_identify(void)
-{
-    uint8_t data;
-    uint16_t buf[256];
-    int i;
-    int ret;
-
-    ide_test_start(
-        "-drive file=%s,if=ide,serial=%s,cache=writeback,format=raw "
-        "-global ide-hd.ver=%s",
-        tmp_path, "testdisk", "version");
-
-    /* IDENTIFY command on device 0*/
-    outb(IDE_BASE + reg_device, 0);
-    outb(IDE_BASE + reg_command, CMD_IDENTIFY);
-
-    /* Read in the IDENTIFY buffer and check registers */
-    data = inb(IDE_BASE + reg_device);
-    g_assert_cmpint(data & DEV, ==, 0);
-
-    for (i = 0; i < 256; i++) {
-        data = inb(IDE_BASE + reg_status);
-        assert_bit_set(data, DRDY | DRQ);
-        assert_bit_clear(data, BSY | DF | ERR);
-
-        ((uint16_t*) buf)[i] = inw(IDE_BASE + reg_data);
-    }
-
-    data = inb(IDE_BASE + reg_status);
-    assert_bit_set(data, DRDY);
-    assert_bit_clear(data, BSY | DF | ERR | DRQ);
-
-    /* Check serial number/version in the buffer */
-    string_cpu_to_be16(&buf[10], 20);
-    ret = memcmp(&buf[10], "testdisk            ", 20);
-    g_assert(ret == 0);
-
-    string_cpu_to_be16(&buf[23], 8);
-    ret = memcmp(&buf[23], "version ", 8);
-    g_assert(ret == 0);
-
-    /* Write cache enabled bit */
-    assert_bit_set(buf[85], 0x20);
-
-    ide_test_quit();
-}
-
-static void test_flush(void)
-{
-    uint8_t data;
-
-    ide_test_start(
-        "-drive file=blkdebug::%s,if=ide,cache=writeback,format=raw",
-        tmp_path);
-
-    /* Delay the completion of the flush request until we explicitly do it */
-    g_free(hmp("qemu-io ide0-hd0 \"break flush_to_os A\""));
-
-    /* FLUSH CACHE command on device 0*/
-    outb(IDE_BASE + reg_device, 0);
-    outb(IDE_BASE + reg_command, CMD_FLUSH_CACHE);
-
-    /* Check status while request is in flight*/
-    data = inb(IDE_BASE + reg_status);
-    assert_bit_set(data, BSY | DRDY);
-    assert_bit_clear(data, DF | ERR | DRQ);
-
-    /* Complete the command */
-    g_free(hmp("qemu-io ide0-hd0 \"resume A\""));
-
-    /* Check registers */
-    data = inb(IDE_BASE + reg_device);
-    g_assert_cmpint(data & DEV, ==, 0);
-
-    do {
-        data = inb(IDE_BASE + reg_status);
-    } while (data & BSY);
-
-    assert_bit_set(data, DRDY);
-    assert_bit_clear(data, BSY | DF | ERR | DRQ);
-
-    ide_test_quit();
-}
-
-static void test_retry_flush(const char *machine)
-{
-    uint8_t data;
-    const char *s;
-
-    prepare_blkdebug_script(debug_path, "flush_to_disk");
-
-    ide_test_start(
-        "-vnc none "
-        "-drive file=blkdebug:%s:%s,if=ide,cache=writeback,format=raw,"
-        "rerror=stop,werror=stop",
-        debug_path, tmp_path);
-
-    /* FLUSH CACHE command on device 0*/
-    outb(IDE_BASE + reg_device, 0);
-    outb(IDE_BASE + reg_command, CMD_FLUSH_CACHE);
-
-    /* Check status while request is in flight*/
-    data = inb(IDE_BASE + reg_status);
-    assert_bit_set(data, BSY | DRDY);
-    assert_bit_clear(data, DF | ERR | DRQ);
-
-    qmp_eventwait("STOP");
-
-    /* Complete the command */
-    s = "{'execute':'cont' }";
-    qmp_discard_response(s);
-
-    /* Check registers */
-    data = inb(IDE_BASE + reg_device);
-    g_assert_cmpint(data & DEV, ==, 0);
-
-    do {
-        data = inb(IDE_BASE + reg_status);
-    } while (data & BSY);
-
-    assert_bit_set(data, DRDY);
-    assert_bit_clear(data, BSY | DF | ERR | DRQ);
-
-    ide_test_quit();
-}
-
-static void test_flush_nodev(void)
-{
-    ide_test_start("");
-
-    /* FLUSH CACHE command on device 0*/
-    outb(IDE_BASE + reg_device, 0);
-    outb(IDE_BASE + reg_command, CMD_FLUSH_CACHE);
-
-    /* Just testing that qemu doesn't crash... */
-
-    ide_test_quit();
-}
-
-static void test_pci_retry_flush(void)
-{
-    test_retry_flush("pc");
-}
-
-static void test_isa_retry_flush(void)
-{
-    test_retry_flush("isapc");
-}
-
-typedef struct Read10CDB {
-    uint8_t opcode;
-    uint8_t flags;
-    uint32_t lba;
-    uint8_t reserved;
-    uint16_t nblocks;
-    uint8_t control;
-    uint16_t padding;
-} __attribute__((__packed__)) Read10CDB;
-
-static void send_scsi_cdb_read10(uint64_t lba, int nblocks)
-{
-    Read10CDB pkt = { .padding = 0 };
-    int i;
-
-    g_assert_cmpint(lba, <=, UINT32_MAX);
-    g_assert_cmpint(nblocks, <=, UINT16_MAX);
-    g_assert_cmpint(nblocks, >=, 0);
-
-    /* Construct SCSI CDB packet */
-    pkt.opcode = 0x28;
-    pkt.lba = cpu_to_be32(lba);
-    pkt.nblocks = cpu_to_be16(nblocks);
-
-    /* Send Packet */
-    for (i = 0; i < sizeof(Read10CDB)/2; i++) {
-        outw(IDE_BASE + reg_data, cpu_to_le16(((uint16_t *)&pkt)[i]));
-    }
-}
-
-static void nsleep(int64_t nsecs)
-{
-    const struct timespec val = { .tv_nsec = nsecs };
-    nanosleep(&val, NULL);
-    clock_set(nsecs);
-}
-
-static uint8_t ide_wait_clear(uint8_t flag)
-{
-    uint8_t data;
-    time_t st;
-
-    /* Wait with a 5 second timeout */
-    time(&st);
-    while (true) {
-        data = inb(IDE_BASE + reg_status);
-        if (!(data & flag)) {
-            return data;
-        }
-        if (difftime(time(NULL), st) > 5.0) {
-            break;
-        }
-        nsleep(400);
-    }
-    g_assert_not_reached();
-}
-
-static void ide_wait_intr(int irq)
-{
-    time_t st;
-    bool intr;
-
-    time(&st);
-    while (true) {
-        intr = get_irq(irq);
-        if (intr) {
-            return;
-        }
-        if (difftime(time(NULL), st) > 5.0) {
-            break;
-        }
-        nsleep(400);
-    }
-
-    g_assert_not_reached();
-}
-
-static void cdrom_pio_impl(int nblocks)
-{
-    FILE *fh;
-    int patt_blocks = MAX(16, nblocks);
-    size_t patt_len = ATAPI_BLOCK_SIZE * patt_blocks;
-    char *pattern = g_malloc(patt_len);
-    size_t rxsize = ATAPI_BLOCK_SIZE * nblocks;
-    uint16_t *rx = g_malloc0(rxsize);
-    int i, j;
-    uint8_t data;
-    uint16_t limit;
-
-    /* Prepopulate the CDROM with an interesting pattern */
-    generate_pattern(pattern, patt_len, ATAPI_BLOCK_SIZE);
-    fh = fopen(tmp_path, "w+");
-    fwrite(pattern, ATAPI_BLOCK_SIZE, patt_blocks, fh);
-    fclose(fh);
-
-    ide_test_start("-drive if=none,file=%s,media=cdrom,format=raw,id=sr0,index=0 "
-                   "-device ide-cd,drive=sr0,bus=ide.0", tmp_path);
-    qtest_irq_intercept_in(global_qtest, "ioapic");
-
-    /* PACKET command on device 0 */
-    outb(IDE_BASE + reg_device, 0);
-    outb(IDE_BASE + reg_lba_middle, BYTE_COUNT_LIMIT & 0xFF);
-    outb(IDE_BASE + reg_lba_high, (BYTE_COUNT_LIMIT >> 8 & 0xFF));
-    outb(IDE_BASE + reg_command, CMD_PACKET);
-    /* HP0: Check_Status_A State */
-    nsleep(400);
-    data = ide_wait_clear(BSY);
-    /* HP1: Send_Packet State */
-    assert_bit_set(data, DRQ | DRDY);
-    assert_bit_clear(data, ERR | DF | BSY);
-
-    /* SCSI CDB (READ10) -- read n*2048 bytes from block 0 */
-    send_scsi_cdb_read10(0, nblocks);
-
-    /* Read data back: occurs in bursts of 'BYTE_COUNT_LIMIT' bytes.
-     * If BYTE_COUNT_LIMIT is odd, we transfer BYTE_COUNT_LIMIT - 1 bytes.
-     * We allow an odd limit only when the remaining transfer size is
-     * less than BYTE_COUNT_LIMIT. However, SCSI's read10 command can only
-     * request n blocks, so our request size is always even.
-     * For this reason, we assume there is never a hanging byte to fetch. */
-    g_assert(!(rxsize & 1));
-    limit = BYTE_COUNT_LIMIT & ~1;
-    for (i = 0; i < DIV_ROUND_UP(rxsize, limit); i++) {
-        size_t offset = i * (limit / 2);
-        size_t rem = (rxsize / 2) - offset;
-
-        /* HP3: INTRQ_Wait */
-        ide_wait_intr(IDE_PRIMARY_IRQ);
-
-        /* HP2: Check_Status_B (and clear IRQ) */
-        data = ide_wait_clear(BSY);
-        assert_bit_set(data, DRQ | DRDY);
-        assert_bit_clear(data, ERR | DF | BSY);
-
-        /* HP4: Transfer_Data */
-        for (j = 0; j < MIN((limit / 2), rem); j++) {
-            rx[offset + j] = le16_to_cpu(inw(IDE_BASE + reg_data));
-        }
-    }
-
-    /* Check for final completion IRQ */
-    ide_wait_intr(IDE_PRIMARY_IRQ);
-
-    /* Sanity check final state */
-    data = ide_wait_clear(DRQ);
-    assert_bit_set(data, DRDY);
-    assert_bit_clear(data, DRQ | ERR | DF | BSY);
-
-    g_assert_cmpint(memcmp(pattern, rx, rxsize), ==, 0);
-    g_free(pattern);
-    g_free(rx);
-    test_bmdma_teardown();
-}
-
-static void test_cdrom_pio(void)
-{
-    cdrom_pio_impl(1);
-}
-
-static void test_cdrom_pio_large(void)
-{
-    /* Test a few loops of the PIO DRQ mechanism. */
-    cdrom_pio_impl(BYTE_COUNT_LIMIT * 4 / ATAPI_BLOCK_SIZE);
-}
-
-
-static void test_cdrom_dma(void)
-{
-    static const size_t len = ATAPI_BLOCK_SIZE;
-    char *pattern = g_malloc(ATAPI_BLOCK_SIZE * 16);
-    char *rx = g_malloc0(len);
-    uintptr_t guest_buf;
-    PrdtEntry prdt[1];
-    FILE *fh;
-
-    ide_test_start("-drive if=none,file=%s,media=cdrom,format=raw,id=sr0,index=0 "
-                   "-device ide-cd,drive=sr0,bus=ide.0", tmp_path);
-    qtest_irq_intercept_in(global_qtest, "ioapic");
-
-    guest_buf = guest_alloc(guest_malloc, len);
-    prdt[0].addr = cpu_to_le32(guest_buf);
-    prdt[0].size = cpu_to_le32(len | PRDT_EOT);
-
-    generate_pattern(pattern, ATAPI_BLOCK_SIZE * 16, ATAPI_BLOCK_SIZE);
-    fh = fopen(tmp_path, "w+");
-    fwrite(pattern, ATAPI_BLOCK_SIZE, 16, fh);
-    fclose(fh);
-
-    send_dma_request(CMD_PACKET, 0, 1, prdt, 1, send_scsi_cdb_read10);
-
-    /* Read back data from guest memory into local qtest memory */
-    memread(guest_buf, rx, len);
-    g_assert_cmpint(memcmp(pattern, rx, len), ==, 0);
-
-    g_free(pattern);
-    g_free(rx);
-    test_bmdma_teardown();
-}
-
-int main(int argc, char **argv)
-{
-    const char *arch = qtest_get_arch();
-    int fd;
-    int ret;
-
-    /* Check architecture */
-    if (strcmp(arch, "i386") && strcmp(arch, "x86_64")) {
-        g_test_message("Skipping test for non-x86\n");
-        return 0;
-    }
-
-    /* Create temporary blkdebug instructions */
-    fd = mkstemp(debug_path);
-    g_assert(fd >= 0);
-    close(fd);
-
-    /* Create a temporary raw image */
-    fd = mkstemp(tmp_path);
-    g_assert(fd >= 0);
-    ret = ftruncate(fd, TEST_IMAGE_SIZE);
-    g_assert(ret == 0);
-    close(fd);
-
-    /* Run the tests */
-    g_test_init(&argc, &argv, NULL);
-
-    qtest_add_func("/ide/identify", test_identify);
-
-    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/one_sector_short_prdt",
-                   test_bmdma_one_sector_short_prdt);
-    qtest_add_func("/ide/bmdma/long_prdt", test_bmdma_long_prdt);
-    qtest_add_func("/ide/bmdma/no_busmaster", test_bmdma_no_busmaster);
-    qtest_add_func("/ide/bmdma/teardown", test_bmdma_teardown);
-
-    qtest_add_func("/ide/flush", test_flush);
-    qtest_add_func("/ide/flush/nodev", test_flush_nodev);
-    qtest_add_func("/ide/flush/retry_pci", test_pci_retry_flush);
-    qtest_add_func("/ide/flush/retry_isa", test_isa_retry_flush);
-
-    qtest_add_func("/ide/cdrom/pio", test_cdrom_pio);
-    qtest_add_func("/ide/cdrom/pio_large", test_cdrom_pio_large);
-    qtest_add_func("/ide/cdrom/dma", test_cdrom_dma);
-
-    ret = g_test_run();
-
-    /* Cleanup */
-    unlink(tmp_path);
-    unlink(debug_path);
-
-    return ret;
-}