From: John Snow <js...@redhat.com>

This will enable the testing of high offsets without
wasting a lot of disk space, and does not impact the
previous tests.

mkimg and mkqcow2 are added to libqos for other tests.

Signed-off-by: John Snow <js...@redhat.com>
Message-id: 1424905602-24715-8-git-send-email-js...@redhat.com
Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com>
---
 tests/Makefile        |  1 +
 tests/ahci-test.c     | 16 ++++++----------
 tests/libqos/libqos.c | 37 +++++++++++++++++++++++++++++++++++++
 tests/libqos/libqos.h |  2 ++
 4 files changed, 46 insertions(+), 10 deletions(-)

diff --git a/tests/Makefile b/tests/Makefile
index fed8096..c525a1e 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -415,6 +415,7 @@ GCOV_OPTIONS = -n $(if $(V),-f,)
 $(patsubst %, check-qtest-%, $(QTEST_TARGETS)): check-qtest-%: $(check-qtest-y)
        $(if $(CONFIG_GCOV),@rm -f *.gcda */*.gcda */*/*.gcda */*/*/*.gcda,)
        $(call quiet-command,QTEST_QEMU_BINARY=$*-softmmu/qemu-system-$* \
+               QTEST_QEMU_IMG=qemu-img$(EXESUF) \
                MALLOC_PERTURB_=$${MALLOC_PERTURB_:-$$((RANDOM % 255 + 1))} \
                gtester $(GTESTER_OPTIONS) -m=$(SPEED) 
$(check-qtest-$*-y),"GTESTER $@")
        $(if $(CONFIG_GCOV),@for f in $(gcov-files-$*-y); do \
diff --git a/tests/ahci-test.c b/tests/ahci-test.c
index cf0b98b..3f93c15 100644
--- a/tests/ahci-test.c
+++ b/tests/ahci-test.c
@@ -39,8 +39,8 @@
 #include "hw/pci/pci_ids.h"
 #include "hw/pci/pci_regs.h"
 
-/* Test-specific defines. */
-#define TEST_IMAGE_SIZE    (64 * 1024 * 1024)
+/* Test-specific defines -- in MiB */
+#define TEST_IMAGE_SIZE_MB (200 * 1024)
 
 /*** Globals ***/
 static char tmp_path[] = "/tmp/qtest.XXXXXX";
@@ -81,7 +81,7 @@ static AHCIQState *ahci_boot(void)
     s = g_malloc0(sizeof(AHCIQState));
 
     cli = "-drive if=none,id=drive0,file=%s,cache=writeback,serial=%s"
-        ",format=raw"
+        ",format=qcow2"
         " -M q35 "
         "-device ide-hd,drive=drive0 "
         "-global ide-hd.ver=%s";
@@ -1051,7 +1051,6 @@ static void create_ahci_io_test(enum IOMode type, enum 
AddrMode addr,
 int main(int argc, char **argv)
 {
     const char *arch;
-    int fd;
     int ret;
     int c;
     int i, j, k;
@@ -1088,12 +1087,9 @@ int main(int argc, char **argv)
         return 0;
     }
 
-    /* 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);
+    /* Create a temporary qcow2 image */
+    close(mkstemp(tmp_path));
+    mkqcow2(tmp_path, TEST_IMAGE_SIZE_MB);
 
     /* Run the tests */
     qtest_add_func("/ahci/sanity",     test_sanity);
diff --git a/tests/libqos/libqos.c b/tests/libqos/libqos.c
index bc8beb2..c825486 100644
--- a/tests/libqos/libqos.c
+++ b/tests/libqos/libqos.c
@@ -61,3 +61,40 @@ void qtest_shutdown(QOSState *qs)
     qtest_quit(qs->qts);
     g_free(qs);
 }
+
+void mkimg(const char *file, const char *fmt, unsigned size_mb)
+{
+    gchar *cli;
+    bool ret;
+    int rc;
+    GError *err = NULL;
+    char *qemu_img_path;
+    gchar *out, *out2;
+
+    qemu_img_path = getenv("QTEST_QEMU_IMG");
+    assert(qemu_img_path);
+
+    cli = g_strdup_printf("./%s create -f %s %s %uM", qemu_img_path,
+                          fmt, file, size_mb);
+    ret = g_spawn_command_line_sync(cli, &out, &out2, &rc, &err);
+    if (err) {
+        fprintf(stderr, "%s\n", err->message);
+        g_error_free(err);
+    }
+    g_assert(ret && !err);
+
+    ret = g_spawn_check_exit_status(rc, &err);
+    if (err) {
+        fprintf(stderr, "%s\n", err->message);
+    }
+    g_assert(ret && !err);
+
+    g_free(out);
+    g_free(out2);
+    g_free(cli);
+}
+
+void mkqcow2(const char *file, unsigned size_mb)
+{
+    return mkimg(file, "qcow2", size_mb);
+}
diff --git a/tests/libqos/libqos.h b/tests/libqos/libqos.h
index 612d41e..8cb2987 100644
--- a/tests/libqos/libqos.h
+++ b/tests/libqos/libqos.h
@@ -19,6 +19,8 @@ typedef struct QOSState {
 QOSState *qtest_vboot(QOSOps *ops, const char *cmdline_fmt, va_list ap);
 QOSState *qtest_boot(QOSOps *ops, const char *cmdline_fmt, ...);
 void qtest_shutdown(QOSState *qs);
+void mkimg(const char *file, const char *fmt, unsigned size_mb);
+void mkqcow2(const char *file, unsigned size_mb);
 
 static inline uint64_t qmalloc(QOSState *q, size_t bytes)
 {
-- 
2.1.0


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