[Qemu-devel] [PULL 06/14] tests/ide-test: Make test independent of global_qtest

[Thomas Huth]

Pass around the QTestState, so we do not need the problematic global_qtest
variable (which causes trouble for tests that have multiple test states)
here anymore.

Message-Id: <address@hidden>
Signed-off-by: Thomas Huth <address@hidden>
---
 tests/ide-test.c | 284 ++++++++++++++++++++++++++---------------------
 1 file changed, 159 insertions(+), 125 deletions(-)

diff --git a/tests/ide-test.c b/tests/ide-test.c
index d863a99f7f..0277e7d5a9 100644
--- a/tests/ide-test.c
+++ b/tests/ide-test.c
@@ -36,7 +36,7 @@
 #include "hw/pci/pci_regs.h"
 
 /* TODO actually test the results and get rid of this */
-#define qmp_discard_response(...) qobject_unref(qmp(__VA_ARGS__))
+#define qmp_discard_response(q, ...) qobject_unref(qtest_qmp(q, __VA_ARGS__))
 
 #define TEST_IMAGE_SIZE 64 * 1024 * 1024
 
@@ -125,38 +125,38 @@ 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, ...)
+static QTestState *ide_test_start(const char *cmdline_fmt, ...)
 {
+    QTestState *qts;
     va_list ap;
-    char *cmdline;
 
     va_start(ap, cmdline_fmt);
-    cmdline = g_strdup_vprintf(cmdline_fmt, ap);
+    qts = qtest_vinitf(cmdline_fmt, ap);
     va_end(ap);
 
-    qtest_start(cmdline);
-    pc_alloc_init(&guest_malloc, global_qtest, 0);
+    pc_alloc_init(&guest_malloc, qts, 0);
 
-    g_free(cmdline);
+    return qts;
 }
 
-static void ide_test_quit(void)
+static void ide_test_quit(QTestState *qts)
 {
     if (pcibus) {
         qpci_free_pc(pcibus);
         pcibus = NULL;
     }
     alloc_destroy(&guest_malloc);
-    qtest_end();
+    qtest_quit(qts);
 }
 
-static QPCIDevice *get_pci_device(QPCIBar *bmdma_bar, QPCIBar *ide_bar)
+static QPCIDevice *get_pci_device(QTestState *qts, QPCIBar *bmdma_bar,
+                                  QPCIBar *ide_bar)
 {
     QPCIDevice *dev;
     uint16_t vendor_id, device_id;
 
     if (!pcibus) {
-        pcibus = qpci_new_pc(global_qtest, NULL);
+        pcibus = qpci_new_pc(qts, NULL);
     }
 
     /* Find PCI device and verify it's the right one */
@@ -198,8 +198,8 @@ static uint64_t trim_range_le(uint64_t sector, uint16_t 
count)
     return cpu_to_le64(((uint64_t)count << 48) + sector);
 }
 
-static int send_dma_request(int cmd, uint64_t sector, int nb_sectors,
-                            PrdtEntry *prdt, int prdt_entries,
+static int send_dma_request(QTestState *qts, int cmd, uint64_t sector,
+                            int nb_sectors, PrdtEntry *prdt, int prdt_entries,
                             void(*post_exec)(QPCIDevice *dev, QPCIBar ide_bar,
                                              uint64_t sector, int nb_sectors))
 {
@@ -211,7 +211,7 @@ static int send_dma_request(int cmd, uint64_t sector, int 
nb_sectors,
     uint8_t status;
     int flags;
 
-    dev = get_pci_device(&bmdma_bar, &ide_bar);
+    dev = get_pci_device(qts, &bmdma_bar, &ide_bar);
 
     flags = cmd & ~0xff;
     cmd &= 0xff;
@@ -246,7 +246,7 @@ static int send_dma_request(int cmd, uint64_t sector, int 
nb_sectors,
     /* Setup PRDT */
     len = sizeof(*prdt) * prdt_entries;
     guest_prdt = guest_alloc(&guest_malloc, len);
-    memwrite(guest_prdt, prdt, len);
+    qtest_memwrite(qts, guest_prdt, prdt, len);
     qpci_io_writel(dev, bmdma_bar, bmreg_prdt, guest_prdt);
 
     /* ATA DMA command */
@@ -283,14 +283,15 @@ static int send_dma_request(int cmd, uint64_t sector, int 
nb_sectors,
         status = qpci_io_readb(dev, bmdma_bar, 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));
+    g_assert_cmpint(qtest_get_irq(qts, IDE_PRIMARY_IRQ), ==,
+                    !!(status & BM_STS_INTR));
 
     /* Check IDE status code */
     assert_bit_set(qpci_io_readb(dev, ide_bar, reg_status), DRDY);
     assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), BSY | DRQ);
 
     /* Reading the status register clears the IRQ */
-    g_assert(!get_irq(IDE_PRIMARY_IRQ));
+    g_assert(!qtest_get_irq(qts, IDE_PRIMARY_IRQ));
 
     /* Stop DMA transfer if still active */
     if (status & BM_STS_ACTIVE) {
@@ -302,42 +303,61 @@ static int send_dma_request(int cmd, uint64_t sector, int 
nb_sectors,
     return status;
 }
 
+static QTestState *test_bmdma_setup(void)
+{
+    QTestState *qts;
+
+    qts = ide_test_start(
+        "-drive file=%s,if=ide,cache=writeback,format=raw "
+        "-global ide-hd.serial=%s -global ide-hd.ver=%s",
+        tmp_path, "testdisk", "version");
+    qtest_irq_intercept_in(qts, "ioapic");
+
+    return qts;
+}
+
+static void test_bmdma_teardown(QTestState *qts)
+{
+    ide_test_quit(qts);
+}
+
 static void test_bmdma_simple_rw(void)
 {
+    QTestState *qts;
     QPCIDevice *dev;
     QPCIBar bmdma_bar, ide_bar;
     uint8_t status;
     uint8_t *buf;
     uint8_t *cmpbuf;
     size_t len = 512;
-    uintptr_t guest_buf = guest_alloc(&guest_malloc, len);
+    uintptr_t guest_buf;
+    PrdtEntry prdt[1];
 
-    PrdtEntry prdt[] = {
-        {
-            .addr = cpu_to_le32(guest_buf),
-            .size = cpu_to_le32(len | PRDT_EOT),
-        },
-    };
+    qts = test_bmdma_setup();
+
+    guest_buf  = guest_alloc(&guest_malloc, len);
+    prdt[0].addr = cpu_to_le32(guest_buf);
+    prdt[0].size = cpu_to_le32(len | PRDT_EOT);
 
-    dev = get_pci_device(&bmdma_bar, &ide_bar);
+    dev = get_pci_device(qts, &bmdma_bar, &ide_bar);
 
     buf = g_malloc(len);
     cmpbuf = g_malloc(len);
 
     /* Write 0x55 pattern to sector 0 */
     memset(buf, 0x55, len);
-    memwrite(guest_buf, buf, len);
+    qtest_memwrite(qts, guest_buf, buf, len);
 
-    status = send_dma_request(CMD_WRITE_DMA, 0, 1, prdt,
+    status = send_dma_request(qts, CMD_WRITE_DMA, 0, 1, prdt,
                               ARRAY_SIZE(prdt), NULL);
     g_assert_cmphex(status, ==, BM_STS_INTR);
     assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), DF | ERR);
 
     /* Write 0xaa pattern to sector 1 */
     memset(buf, 0xaa, len);
-    memwrite(guest_buf, buf, len);
+    qtest_memwrite(qts, guest_buf, buf, len);
 
-    status = send_dma_request(CMD_WRITE_DMA, 1, 1, prdt,
+    status = send_dma_request(qts, CMD_WRITE_DMA, 1, 1, prdt,
                               ARRAY_SIZE(prdt), NULL);
     g_assert_cmphex(status, ==, BM_STS_INTR);
     assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), DF | ERR);
@@ -345,31 +365,35 @@ static void test_bmdma_simple_rw(void)
     /* 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);
+    status = send_dma_request(qts, CMD_READ_DMA, 0, 1, prdt, ARRAY_SIZE(prdt),
+                              NULL);
     g_assert_cmphex(status, ==, BM_STS_INTR);
     assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), DF | ERR);
 
-    memread(guest_buf, buf, len);
+    qtest_memread(qts, 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);
+    status = send_dma_request(qts, CMD_READ_DMA, 1, 1, prdt, ARRAY_SIZE(prdt),
+                              NULL);
     g_assert_cmphex(status, ==, BM_STS_INTR);
     assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), DF | ERR);
 
-    memread(guest_buf, buf, len);
+    qtest_memread(qts, guest_buf, buf, len);
     g_assert(memcmp(buf, cmpbuf, len) == 0);
 
-
     free_pci_device(dev);
     g_free(buf);
     g_free(cmpbuf);
+
+    test_bmdma_teardown(qts);
 }
 
 static void test_bmdma_trim(void)
 {
+    QTestState *qts;
     QPCIDevice *dev;
     QPCIBar bmdma_bar, ide_bar;
     uint8_t status;
@@ -380,16 +404,16 @@ static void test_bmdma_trim(void)
     const uint64_t bad_range = trim_range_le(TEST_IMAGE_SIZE / 512 - 1, 2);
     size_t len = 512;
     uint8_t *buf;
-    uintptr_t guest_buf = guest_alloc(&guest_malloc, len);
+    uintptr_t guest_buf;
+    PrdtEntry prdt[1];
 
-    PrdtEntry prdt[] = {
-        {
-            .addr = cpu_to_le32(guest_buf),
-            .size = cpu_to_le32(len | PRDT_EOT),
-        },
-    };
+    qts = test_bmdma_setup();
+
+    guest_buf = guest_alloc(&guest_malloc, len);
+    prdt[0].addr = cpu_to_le32(guest_buf),
+    prdt[0].size = cpu_to_le32(len | PRDT_EOT),
 
-    dev = get_pci_device(&bmdma_bar, &ide_bar);
+    dev = get_pci_device(qts, &bmdma_bar, &ide_bar);
 
     buf = g_malloc(len);
 
@@ -397,9 +421,9 @@ static void test_bmdma_trim(void)
     *((uint64_t *)buf) = trim_range[0];
     *((uint64_t *)buf + 1) = trim_range[1];
 
-    memwrite(guest_buf, buf, 2 * sizeof(uint64_t));
+    qtest_memwrite(qts, guest_buf, buf, 2 * sizeof(uint64_t));
 
-    status = send_dma_request(CMD_DSM, 0, 1, prdt,
+    status = send_dma_request(qts, CMD_DSM, 0, 1, prdt,
                               ARRAY_SIZE(prdt), NULL);
     g_assert_cmphex(status, ==, BM_STS_INTR);
     assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), DF | ERR);
@@ -408,9 +432,9 @@ static void test_bmdma_trim(void)
     *((uint64_t *)buf) = trim_range[2];
     *((uint64_t *)buf + 1) = bad_range;
 
-    memwrite(guest_buf, buf, 2 * sizeof(uint64_t));
+    qtest_memwrite(qts, guest_buf, buf, 2 * sizeof(uint64_t));
 
-    status = send_dma_request(CMD_DSM, 0, 1, prdt,
+    status = send_dma_request(qts, CMD_DSM, 0, 1, prdt,
                               ARRAY_SIZE(prdt), NULL);
     g_assert_cmphex(status, ==, BM_STS_INTR);
     assert_bit_set(qpci_io_readb(dev, ide_bar, reg_status), ERR);
@@ -418,10 +442,12 @@ static void test_bmdma_trim(void)
 
     free_pci_device(dev);
     g_free(buf);
+    test_bmdma_teardown(qts);
 }
 
 static void test_bmdma_short_prdt(void)
 {
+    QTestState *qts;
     QPCIDevice *dev;
     QPCIBar bmdma_bar, ide_bar;
     uint8_t status;
@@ -433,24 +459,28 @@ static void test_bmdma_short_prdt(void)
         },
     };
 
-    dev = get_pci_device(&bmdma_bar, &ide_bar);
+    qts = test_bmdma_setup();
+
+    dev = get_pci_device(qts, &bmdma_bar, &ide_bar);
 
     /* Normal request */
-    status = send_dma_request(CMD_READ_DMA, 0, 1,
+    status = send_dma_request(qts, CMD_READ_DMA, 0, 1,
                               prdt, ARRAY_SIZE(prdt), NULL);
     g_assert_cmphex(status, ==, 0);
     assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), DF | ERR);
 
     /* Abort the request before it completes */
-    status = send_dma_request(CMD_READ_DMA | CMDF_ABORT, 0, 1,
+    status = send_dma_request(qts, CMD_READ_DMA | CMDF_ABORT, 0, 1,
                               prdt, ARRAY_SIZE(prdt), NULL);
     g_assert_cmphex(status, ==, 0);
     assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), DF | ERR);
     free_pci_device(dev);
+    test_bmdma_teardown(qts);
 }
 
 static void test_bmdma_one_sector_short_prdt(void)
 {
+    QTestState *qts;
     QPCIDevice *dev;
     QPCIBar bmdma_bar, ide_bar;
     uint8_t status;
@@ -463,24 +493,28 @@ static void test_bmdma_one_sector_short_prdt(void)
         },
     };
 
-    dev = get_pci_device(&bmdma_bar, &ide_bar);
+    qts = test_bmdma_setup();
+
+    dev = get_pci_device(qts, &bmdma_bar, &ide_bar);
 
     /* Normal request */
-    status = send_dma_request(CMD_READ_DMA, 0, 2,
+    status = send_dma_request(qts, CMD_READ_DMA, 0, 2,
                               prdt, ARRAY_SIZE(prdt), NULL);
     g_assert_cmphex(status, ==, 0);
     assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), DF | ERR);
 
     /* Abort the request before it completes */
-    status = send_dma_request(CMD_READ_DMA | CMDF_ABORT, 0, 2,
+    status = send_dma_request(qts, CMD_READ_DMA | CMDF_ABORT, 0, 2,
                               prdt, ARRAY_SIZE(prdt), NULL);
     g_assert_cmphex(status, ==, 0);
     assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), DF | ERR);
     free_pci_device(dev);
+    test_bmdma_teardown(qts);
 }
 
 static void test_bmdma_long_prdt(void)
 {
+    QTestState *qts;
     QPCIDevice *dev;
     QPCIBar bmdma_bar, ide_bar;
     uint8_t status;
@@ -492,29 +526,35 @@ static void test_bmdma_long_prdt(void)
         },
     };
 
-    dev = get_pci_device(&bmdma_bar, &ide_bar);
+    qts = test_bmdma_setup();
+
+    dev = get_pci_device(qts, &bmdma_bar, &ide_bar);
 
     /* Normal request */
-    status = send_dma_request(CMD_READ_DMA, 0, 1,
+    status = send_dma_request(qts, CMD_READ_DMA, 0, 1,
                               prdt, ARRAY_SIZE(prdt), NULL);
     g_assert_cmphex(status, ==, BM_STS_ACTIVE | BM_STS_INTR);
     assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), DF | ERR);
 
     /* Abort the request before it completes */
-    status = send_dma_request(CMD_READ_DMA | CMDF_ABORT, 0, 1,
+    status = send_dma_request(qts, CMD_READ_DMA | CMDF_ABORT, 0, 1,
                               prdt, ARRAY_SIZE(prdt), NULL);
     g_assert_cmphex(status, ==, BM_STS_INTR);
     assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), DF | ERR);
     free_pci_device(dev);
+    test_bmdma_teardown(qts);
 }
 
 static void test_bmdma_no_busmaster(void)
 {
+    QTestState *qts;
     QPCIDevice *dev;
     QPCIBar bmdma_bar, ide_bar;
     uint8_t status;
 
-    dev = get_pci_device(&bmdma_bar, &ide_bar);
+    qts = test_bmdma_setup();
+
+    dev = get_pci_device(qts, &bmdma_bar, &ide_bar);
 
     /* 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
@@ -522,7 +562,7 @@ static void test_bmdma_no_busmaster(void)
      * good at confusing and occasionally crashing qemu. */
     PrdtEntry prdt[4096] = { };
 
-    status = send_dma_request(CMD_READ_DMA | CMDF_NO_BM, 0, 512,
+    status = send_dma_request(qts, 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
@@ -530,20 +570,7 @@ static void test_bmdma_no_busmaster(void)
     g_assert_cmphex(status, ==, BM_STS_ACTIVE | BM_STS_INTR);
     assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), DF | ERR);
     free_pci_device(dev);
-}
-
-static void test_bmdma_setup(void)
-{
-    ide_test_start(
-        "-drive file=%s,if=ide,cache=writeback,format=raw "
-        "-global ide-hd.serial=%s -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();
+    test_bmdma_teardown(qts);
 }
 
 static void string_cpu_to_be16(uint16_t *s, size_t bytes)
@@ -559,6 +586,7 @@ static void string_cpu_to_be16(uint16_t *s, size_t bytes)
 
 static void test_identify(void)
 {
+    QTestState *qts;
     QPCIDevice *dev;
     QPCIBar bmdma_bar, ide_bar;
     uint8_t data;
@@ -566,12 +594,12 @@ static void test_identify(void)
     int i;
     int ret;
 
-    ide_test_start(
+    qts = ide_test_start(
         "-drive file=%s,if=ide,cache=writeback,format=raw "
         "-global ide-hd.serial=%s -global ide-hd.ver=%s",
         tmp_path, "testdisk", "version");
 
-    dev = get_pci_device(&bmdma_bar, &ide_bar);
+    dev = get_pci_device(qts, &bmdma_bar, &ide_bar);
 
     /* IDENTIFY command on device 0*/
     qpci_io_writeb(dev, ide_bar, reg_device, 0);
@@ -605,7 +633,7 @@ static void test_identify(void)
     /* Write cache enabled bit */
     assert_bit_set(buf[85], 0x20);
 
-    ide_test_quit();
+    ide_test_quit(qts);
     free_pci_device(dev);
 }
 
@@ -613,7 +641,7 @@ static void test_identify(void)
  * Write sector 1 with random data to make IDE storage dirty
  * Needed for flush tests so that flushes actually go though the block layer
  */
-static void make_dirty(uint8_t device)
+static void make_dirty(QTestState *qts, uint8_t device)
 {
     QPCIDevice *dev;
     QPCIBar bmdma_bar, ide_bar;
@@ -622,7 +650,7 @@ static void make_dirty(uint8_t device)
     uintptr_t guest_buf;
     void* buf;
 
-    dev = get_pci_device(&bmdma_bar, &ide_bar);
+    dev = get_pci_device(qts, &bmdma_bar, &ide_bar);
 
     guest_buf = guest_alloc(&guest_malloc, len);
     buf = g_malloc(len);
@@ -630,7 +658,7 @@ static void make_dirty(uint8_t device)
     g_assert(guest_buf);
     g_assert(buf);
 
-    memwrite(guest_buf, buf, len);
+    qtest_memwrite(qts, guest_buf, buf, len);
 
     PrdtEntry prdt[] = {
         {
@@ -639,7 +667,7 @@ static void make_dirty(uint8_t device)
         },
     };
 
-    status = send_dma_request(CMD_WRITE_DMA, 1, 1, prdt,
+    status = send_dma_request(qts, CMD_WRITE_DMA, 1, 1, prdt,
                               ARRAY_SIZE(prdt), NULL);
     g_assert_cmphex(status, ==, BM_STS_INTR);
     assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), DF | ERR);
@@ -650,23 +678,24 @@ static void make_dirty(uint8_t device)
 
 static void test_flush(void)
 {
+    QTestState *qts;
     QPCIDevice *dev;
     QPCIBar bmdma_bar, ide_bar;
     uint8_t data;
 
-    ide_test_start(
+    qts = ide_test_start(
         "-drive file=blkdebug::%s,if=ide,cache=writeback,format=raw",
         tmp_path);
 
-    dev = get_pci_device(&bmdma_bar, &ide_bar);
+    dev = get_pci_device(qts, &bmdma_bar, &ide_bar);
 
-    qtest_irq_intercept_in(global_qtest, "ioapic");
+    qtest_irq_intercept_in(qts, "ioapic");
 
     /* Dirty media so that CMD_FLUSH_CACHE will actually go to disk */
-    make_dirty(0);
+    make_dirty(qts, 0);
 
     /* Delay the completion of the flush request until we explicitly do it */
-    g_free(hmp("qemu-io ide0-hd0 \"break flush_to_os A\""));
+    g_free(qtest_hmp(qts, "qemu-io ide0-hd0 \"break flush_to_os A\""));
 
     /* FLUSH CACHE command on device 0*/
     qpci_io_writeb(dev, ide_bar, reg_device, 0);
@@ -678,7 +707,7 @@ static void test_flush(void)
     assert_bit_clear(data, DF | ERR | DRQ);
 
     /* Complete the command */
-    g_free(hmp("qemu-io ide0-hd0 \"resume A\""));
+    g_free(qtest_hmp(qts, "qemu-io ide0-hd0 \"resume A\""));
 
     /* Check registers */
     data = qpci_io_readb(dev, ide_bar, reg_device);
@@ -691,29 +720,30 @@ static void test_flush(void)
     assert_bit_set(data, DRDY);
     assert_bit_clear(data, BSY | DF | ERR | DRQ);
 
-    ide_test_quit();
+    ide_test_quit(qts);
     free_pci_device(dev);
 }
 
 static void test_retry_flush(const char *machine)
 {
+    QTestState *qts;
     QPCIDevice *dev;
     QPCIBar bmdma_bar, ide_bar;
     uint8_t data;
 
     prepare_blkdebug_script(debug_path, "flush_to_disk");
 
-    ide_test_start(
+    qts = ide_test_start(
         "-drive file=blkdebug:%s:%s,if=ide,cache=writeback,format=raw,"
         "rerror=stop,werror=stop",
         debug_path, tmp_path);
 
-    dev = get_pci_device(&bmdma_bar, &ide_bar);
+    dev = get_pci_device(qts, &bmdma_bar, &ide_bar);
 
-    qtest_irq_intercept_in(global_qtest, "ioapic");
+    qtest_irq_intercept_in(qts, "ioapic");
 
     /* Dirty media so that CMD_FLUSH_CACHE will actually go to disk */
-    make_dirty(0);
+    make_dirty(qts, 0);
 
     /* FLUSH CACHE command on device 0*/
     qpci_io_writeb(dev, ide_bar, reg_device, 0);
@@ -724,10 +754,10 @@ static void test_retry_flush(const char *machine)
     assert_bit_set(data, BSY | DRDY);
     assert_bit_clear(data, DF | ERR | DRQ);
 
-    qmp_eventwait("STOP");
+    qtest_qmp_eventwait(qts, "STOP");
 
     /* Complete the command */
-    qmp_discard_response("{'execute':'cont' }");
+    qmp_discard_response(qts, "{'execute':'cont' }");
 
     /* Check registers */
     data = qpci_io_readb(dev, ide_bar, reg_device);
@@ -740,18 +770,19 @@ static void test_retry_flush(const char *machine)
     assert_bit_set(data, DRDY);
     assert_bit_clear(data, BSY | DF | ERR | DRQ);
 
-    ide_test_quit();
+    ide_test_quit(qts);
     free_pci_device(dev);
 }
 
 static void test_flush_nodev(void)
 {
+    QTestState *qts;
     QPCIDevice *dev;
     QPCIBar bmdma_bar, ide_bar;
 
-    ide_test_start("");
+    qts = ide_test_start("");
 
-    dev = get_pci_device(&bmdma_bar, &ide_bar);
+    dev = get_pci_device(qts, &bmdma_bar, &ide_bar);
 
     /* FLUSH CACHE command on device 0*/
     qpci_io_writeb(dev, ide_bar, reg_device, 0);
@@ -760,16 +791,17 @@ static void test_flush_nodev(void)
     /* Just testing that qemu doesn't crash... */
 
     free_pci_device(dev);
-    ide_test_quit();
+    ide_test_quit(qts);
 }
 
 static void test_flush_empty_drive(void)
 {
+    QTestState *qts;
     QPCIDevice *dev;
     QPCIBar bmdma_bar, ide_bar;
 
-    ide_test_start("-device ide-cd,bus=ide.0");
-    dev = get_pci_device(&bmdma_bar, &ide_bar);
+    qts = ide_test_start("-device ide-cd,bus=ide.0");
+    dev = get_pci_device(qts, &bmdma_bar, &ide_bar);
 
     /* FLUSH CACHE command on device 0 */
     qpci_io_writeb(dev, ide_bar, reg_device, 0);
@@ -778,7 +810,7 @@ static void test_flush_empty_drive(void)
     /* Just testing that qemu doesn't crash... */
 
     free_pci_device(dev);
-    ide_test_quit();
+    ide_test_quit(qts);
 }
 
 static void test_pci_retry_flush(void)
@@ -823,21 +855,21 @@ static void send_scsi_cdb_read10(QPCIDevice *dev, QPCIBar 
ide_bar,
     }
 }
 
-static void nsleep(int64_t nsecs)
+static void nsleep(QTestState *qts, int64_t nsecs)
 {
     const struct timespec val = { .tv_nsec = nsecs };
     nanosleep(&val, NULL);
-    clock_set(nsecs);
+    qtest_clock_set(qts, nsecs);
 }
 
-static uint8_t ide_wait_clear(uint8_t flag)
+static uint8_t ide_wait_clear(QTestState *qts, uint8_t flag)
 {
     QPCIDevice *dev;
     QPCIBar bmdma_bar, ide_bar;
     uint8_t data;
     time_t st;
 
-    dev = get_pci_device(&bmdma_bar, &ide_bar);
+    dev = get_pci_device(qts, &bmdma_bar, &ide_bar);
 
     /* Wait with a 5 second timeout */
     time(&st);
@@ -850,26 +882,26 @@ static uint8_t ide_wait_clear(uint8_t flag)
         if (difftime(time(NULL), st) > 5.0) {
             break;
         }
-        nsleep(400);
+        nsleep(qts, 400);
     }
     g_assert_not_reached();
 }
 
-static void ide_wait_intr(int irq)
+static void ide_wait_intr(QTestState *qts, int irq)
 {
     time_t st;
     bool intr;
 
     time(&st);
     while (true) {
-        intr = get_irq(irq);
+        intr = qtest_get_irq(qts, irq);
         if (intr) {
             return;
         }
         if (difftime(time(NULL), st) > 5.0) {
             break;
         }
-        nsleep(400);
+        nsleep(qts, 400);
     }
 
     g_assert_not_reached();
@@ -877,6 +909,7 @@ static void ide_wait_intr(int irq)
 
 static void cdrom_pio_impl(int nblocks)
 {
+    QTestState *qts;
     QPCIDevice *dev;
     QPCIBar bmdma_bar, ide_bar;
     FILE *fh;
@@ -897,10 +930,11 @@ static void cdrom_pio_impl(int nblocks)
     g_assert_cmpint(ret, ==, patt_blocks);
     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);
-    dev = get_pci_device(&bmdma_bar, &ide_bar);
-    qtest_irq_intercept_in(global_qtest, "ioapic");
+    qts = 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);
+    dev = get_pci_device(qts, &bmdma_bar, &ide_bar);
+    qtest_irq_intercept_in(qts, "ioapic");
 
     /* PACKET command on device 0 */
     qpci_io_writeb(dev, ide_bar, reg_device, 0);
@@ -908,8 +942,8 @@ static void cdrom_pio_impl(int nblocks)
     qpci_io_writeb(dev, ide_bar, reg_lba_high, (BYTE_COUNT_LIMIT >> 8 & 0xFF));
     qpci_io_writeb(dev, ide_bar, reg_command, CMD_PACKET);
     /* HP0: Check_Status_A State */
-    nsleep(400);
-    data = ide_wait_clear(BSY);
+    nsleep(qts, 400);
+    data = ide_wait_clear(qts, BSY);
     /* HP1: Send_Packet State */
     assert_bit_set(data, DRQ | DRDY);
     assert_bit_clear(data, ERR | DF | BSY);
@@ -930,10 +964,10 @@ static void cdrom_pio_impl(int nblocks)
         size_t rem = (rxsize / 2) - offset;
 
         /* HP3: INTRQ_Wait */
-        ide_wait_intr(IDE_PRIMARY_IRQ);
+        ide_wait_intr(qts, IDE_PRIMARY_IRQ);
 
         /* HP2: Check_Status_B (and clear IRQ) */
-        data = ide_wait_clear(BSY);
+        data = ide_wait_clear(qts, BSY);
         assert_bit_set(data, DRQ | DRDY);
         assert_bit_clear(data, ERR | DF | BSY);
 
@@ -945,17 +979,17 @@ static void cdrom_pio_impl(int nblocks)
     }
 
     /* Check for final completion IRQ */
-    ide_wait_intr(IDE_PRIMARY_IRQ);
+    ide_wait_intr(qts, IDE_PRIMARY_IRQ);
 
     /* Sanity check final state */
-    data = ide_wait_clear(DRQ);
+    data = ide_wait_clear(qts, 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();
+    test_bmdma_teardown(qts);
     free_pci_device(dev);
 }
 
@@ -973,6 +1007,7 @@ static void test_cdrom_pio_large(void)
 
 static void test_cdrom_dma(void)
 {
+    QTestState *qts;
     static const size_t len = ATAPI_BLOCK_SIZE;
     size_t ret;
     char *pattern = g_malloc(ATAPI_BLOCK_SIZE * 16);
@@ -981,9 +1016,10 @@ static void test_cdrom_dma(void)
     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");
+    qts = 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(qts, "ioapic");
 
     guest_buf = guest_alloc(&guest_malloc, len);
     prdt[0].addr = cpu_to_le32(guest_buf);
@@ -995,15 +1031,15 @@ static void test_cdrom_dma(void)
     g_assert_cmpint(ret, ==, 16);
     fclose(fh);
 
-    send_dma_request(CMD_PACKET, 0, 1, prdt, 1, send_scsi_cdb_read10);
+    send_dma_request(qts, 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);
+    qtest_memread(qts, guest_buf, rx, len);
     g_assert_cmpint(memcmp(pattern, rx, len), ==, 0);
 
     g_free(pattern);
     g_free(rx);
-    test_bmdma_teardown();
+    test_bmdma_teardown(qts);
 }
 
 int main(int argc, char **argv)
@@ -1028,7 +1064,6 @@ int main(int argc, char **argv)
 
     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/trim", test_bmdma_trim);
     qtest_add_func("/ide/bmdma/short_prdt", test_bmdma_short_prdt);
@@ -1036,7 +1071,6 @@ int main(int argc, char **argv)
                    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);
-- 
2.21.0