tests/qtest/ide-test.c: Create disk image for use as a secondary

Change 'tmp_path' into an array of two members to accommodate another
disk image of size TEST_IMAGE_SIZE.  This facilitates testing ATA
protocol aspects peculiar to secondary devices on the same controller.

Signed-off-by: Lev Kujawski <lkujaw@member.fsf.org>
Message-Id: <20220707031140.158958-2-lkujaw@member.fsf.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

tests/qtest/ide-test.c

@@ -121,7 +121,7 @@ enum {
 static QPCIBus *pcibus = NULL;
 static QGuestAllocator guest_malloc;
 
-static char *tmp_path;
+static char *tmp_path[2];
 static char *debug_path;
 
 static QTestState *ide_test_start(const char *cmdline_fmt, ...)
@@ -310,7 +310,7 @@ static QTestState *test_bmdma_setup(void)
     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");
+        tmp_path[0], "testdisk", "version");
     qtest_irq_intercept_in(qts, "ioapic");
 
     return qts;
@@ -574,7 +574,7 @@ static void test_identify(void)
     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");
+        tmp_path[0], "testdisk", "version");
 
     dev = get_pci_device(qts, &bmdma_bar, &ide_bar);
 
@@ -662,7 +662,7 @@ static void test_flush(void)
 
     qts = ide_test_start(
         "-drive file=blkdebug::%s,if=ide,cache=writeback,format=raw",
-        tmp_path);
+        tmp_path[0]);
 
     dev = get_pci_device(qts, &bmdma_bar, &ide_bar);
 
@@ -713,7 +713,7 @@ static void test_pci_retry_flush(void)
     qts = ide_test_start(
         "-drive file=blkdebug:%s:%s,if=ide,cache=writeback,format=raw,"
         "rerror=stop,werror=stop",
-        debug_path, tmp_path);
+        debug_path, tmp_path[0]);
 
     dev = get_pci_device(qts, &bmdma_bar, &ide_bar);
 
@@ -892,14 +892,14 @@ static void cdrom_pio_impl(int nblocks)
 
     /* Prepopulate the CDROM with an interesting pattern */
     generate_pattern(pattern, patt_len, ATAPI_BLOCK_SIZE);
-    fh = fopen(tmp_path, "wb+");
+    fh = fopen(tmp_path[0], "wb+");
     ret = fwrite(pattern, ATAPI_BLOCK_SIZE, patt_blocks, fh);
     g_assert_cmpint(ret, ==, patt_blocks);
     fclose(fh);
 
     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);
+            "-device ide-cd,drive=sr0,bus=ide.0", tmp_path[0]);
     dev = get_pci_device(qts, &bmdma_bar, &ide_bar);
     qtest_irq_intercept_in(qts, "ioapic");
 
@@ -985,15 +985,15 @@ static void test_cdrom_dma(void)
 
     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);
+            "-device ide-cd,drive=sr0,bus=ide.0", tmp_path[0]);
     qtest_irq_intercept_in(qts, "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, "wb+");
+    fh = fopen(tmp_path[0], "wb+");
     ret = fwrite(pattern, ATAPI_BLOCK_SIZE, 16, fh);
     g_assert_cmpint(ret, ==, 16);
     fclose(fh);
@@ -1012,6 +1012,7 @@ static void test_cdrom_dma(void)
 int main(int argc, char **argv)
 {
     const char *base;
+    int i;
     int fd;
     int ret;
 
@@ -1035,12 +1036,14 @@ int main(int argc, char **argv)
     close(fd);
 
     /* Create a temporary raw image */
-    tmp_path = g_strdup_printf("%s/qtest.XXXXXX", base);
-    fd = g_mkstemp(tmp_path);
-    g_assert(fd >= 0);
-    ret = ftruncate(fd, TEST_IMAGE_SIZE);
-    g_assert(ret == 0);
-    close(fd);
+    for (i = 0; i < 2; ++i) {
+        tmp_path[i] = g_strdup_printf("%s/qtest.XXXXXX", base);
+        fd = g_mkstemp(tmp_path[i]);
+        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);
@@ -1064,8 +1067,10 @@ int main(int argc, char **argv)
     ret = g_test_run();
 
     /* Cleanup */
-    unlink(tmp_path);
-    g_free(tmp_path);
+    for (i = 0; i < 2; ++i) {
+        unlink(tmp_path[i]);
+        g_free(tmp_path[i]);
+    }
     unlink(debug_path);
     g_free(debug_path);