[Qemu-devel] [PATCH v2 4/4] qtest/ahci: add port_reset test

[John Snow <jsnow@redhat.com>]

Test that we can survive a couple of cycles of running a basic identify
test, some IO, and resetting the HBA. Ensures that we can bring the HBA
back to compliant spec during the lifecycle of the VM.

Signed-off-by: John Snow <jsnow@redhat.com>
---
 tests/ahci-test.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/tests/ahci-test.c b/tests/ahci-test.c
index 5148328..43da3d1 100644
--- a/tests/ahci-test.c
+++ b/tests/ahci-test.c
@@ -1372,6 +1372,29 @@ static void test_max(void)
     ahci_shutdown(ahci);
 }
 
+static void test_reset(void)
+{
+    AHCIQState *ahci;
+    int i;
+
+    ahci = ahci_boot(NULL);
+    ahci_test_pci_spec(ahci);
+    ahci_pci_enable(ahci);
+
+    for (i = 0; i < 2; i++) {
+        ahci_test_hba_spec(ahci);
+        ahci_hba_enable(ahci);
+        ahci_test_identify(ahci);
+        ahci_test_io_rw_simple(ahci, 4096, 0,
+                               CMD_READ_DMA_EXT,
+                               CMD_WRITE_DMA_EXT);
+        ahci_set(ahci, AHCI_GHC, AHCI_GHC_HR);
+        ahci_clean_mem(ahci);
+    }
+
+    ahci_shutdown(ahci);
+}
+
 /******************************************************************************/
 /* AHCI I/O Test Matrix Definitions                                           */
 
@@ -1628,6 +1651,7 @@ int main(int argc, char **argv)
     qtest_add_func("/ahci/migrate/dma/halted", test_migrate_halted_dma);
 
     qtest_add_func("/ahci/max", test_max);
+    qtest_add_func("/ahci/reset", test_reset);
 
     ret = g_test_run();
 
-- 
2.1.0