diff options
-rw-r--r-- | tests/core_hotunplug.c | 100 |
1 files changed, 74 insertions, 26 deletions
diff --git a/tests/core_hotunplug.c b/tests/core_hotunplug.c index d51526029..7fc6df688 100644 --- a/tests/core_hotunplug.c +++ b/tests/core_hotunplug.c @@ -78,12 +78,18 @@ static int local_close(int fd, const char *warning) static int close_device(int fd_drm, const char *when, const char *which) { + if (fd_drm < 0) /* not open - return current status */ + return fd_drm; + igt_debug("%sclosing %sdevice instance\n", when, which); return local_close(fd_drm, "Device close failed"); } static int close_sysfs(int fd_sysfs_dev) { + if (fd_sysfs_dev < 0) /* not open - return current status */ + return fd_sysfs_dev; + return local_close(fd_sysfs_dev, "Device sysfs node close failed"); } @@ -117,24 +123,22 @@ static void prepare(struct hotunplug *priv) static void driver_unbind(struct hotunplug *priv, const char *prefix) { igt_debug("%sunbinding the driver from the device\n", prefix); + priv->failure = "Driver unbind failure!"; - priv->failure = "Driver unbind timeout!"; - igt_set_timeout(60, priv->failure); + igt_set_timeout(60, "Driver unbind timeout!"); igt_sysfs_set(priv->fd.sysfs_drv, "unbind", priv->dev_bus_addr); igt_reset_timeout(); - priv->failure = NULL; } /* Re-bind the driver to the device */ static void driver_bind(struct hotunplug *priv) { igt_debug("rebinding the driver to the device\n"); + priv->failure = "Driver re-bind failure!"; - priv->failure = "Driver re-bind timeout!"; - igt_set_timeout(60, priv->failure); + igt_set_timeout(60, "Driver re-bind timeout!"); igt_sysfs_set(priv->fd.sysfs_drv, "bind", priv->dev_bus_addr); igt_reset_timeout(); - priv->failure = NULL; } /* Remove (virtually unplug) the device from its bus */ @@ -147,12 +151,11 @@ static void device_unplug(struct hotunplug *priv, const char *prefix) igt_assert_fd(priv->fd.sysfs_dev); igt_debug("%sunplugging the device\n", prefix); + priv->failure = "Device unplug failure!"; - priv->failure = "Device unplug timeout!"; - igt_set_timeout(60, priv->failure); + igt_set_timeout(60, "Device unplug timeout!"); igt_sysfs_set(priv->fd.sysfs_dev, "remove", "1"); igt_reset_timeout(); - priv->failure = NULL; priv->fd.sysfs_dev = close_sysfs(priv->fd.sysfs_dev); } @@ -161,12 +164,17 @@ static void device_unplug(struct hotunplug *priv, const char *prefix) static void bus_rescan(struct hotunplug *priv) { igt_debug("rediscovering the device\n"); + priv->failure = "Bus rescan failure!"; - priv->failure = "Bus rescan timeout!"; - igt_set_timeout(60, priv->failure); + igt_set_timeout(60, "Bus rescan timeout!"); igt_sysfs_set(priv->fd.sysfs_bus, "../rescan", "1"); igt_reset_timeout(); - priv->failure = NULL; +} + +static void cleanup(struct hotunplug *priv) +{ + priv->fd.drm = close_device(priv->fd.drm, "post ", "failed "); + priv->fd.sysfs_dev = close_sysfs(priv->fd.sysfs_dev); } static void healthcheck(struct hotunplug *priv) @@ -180,25 +188,45 @@ static void healthcheck(struct hotunplug *priv) priv->failure = "Device reopen failure!"; fd_drm = local_drm_open_driver("re", " for health check"); - if (closed) /* store fd for post_healthcheck if not dirty */ + if (closed) /* store fd for cleanup if not dirty */ priv->fd.drm = fd_drm; - priv->failure = NULL; if (is_i915_device(fd_drm)) { priv->failure = "GEM failure"; igt_require_gem(fd_drm); priv->failure = NULL; + } else { + /* no device specific healthcheck, rely on reopen result */ + priv->failure = NULL; } fd_drm = close_device(fd_drm, "", "health checked "); if (closed || fd_drm < -1) /* update status for post_healthcheck */ priv->fd.drm = fd_drm; + + /* not only request igt_abort on failure, also fail the health check */ + igt_fail_on_f(priv->failure, "%s\n", priv->failure); +} + +static void recover(struct hotunplug *priv) +{ + cleanup(priv); + + if (faccessat(priv->fd.sysfs_bus, priv->dev_bus_addr, F_OK, 0)) + bus_rescan(priv); + + else if (faccessat(priv->fd.sysfs_drv, priv->dev_bus_addr, F_OK, 0)) + driver_bind(priv); + + if (priv->failure) + healthcheck(priv); } static void post_healthcheck(struct hotunplug *priv) { igt_abort_on_f(priv->failure, "%s\n", priv->failure); + cleanup(priv); igt_require(priv->fd.drm == -1); } @@ -297,30 +325,50 @@ igt_main prepare(&priv); } - igt_describe("Check if the driver can be cleanly unbound from a device believed to be closed"); - igt_subtest("unbind-rebind") - unbind_rebind(&priv); + igt_subtest_group { + igt_describe("Check if the driver can be cleanly unbound from a device believed to be closed"); + igt_subtest("unbind-rebind") + unbind_rebind(&priv); + + igt_fixture + recover(&priv); + } igt_fixture post_healthcheck(&priv); - igt_describe("Check if a device believed to be closed can be cleanly unplugged"); - igt_subtest("unplug-rescan") - unplug_rescan(&priv); + igt_subtest_group { + igt_describe("Check if a device believed to be closed can be cleanly unplugged"); + igt_subtest("unplug-rescan") + unplug_rescan(&priv); + + igt_fixture + recover(&priv); + } igt_fixture post_healthcheck(&priv); - igt_describe("Check if the driver can be cleanly unbound from a still open device, then released"); - igt_subtest("hotunbind-lateclose") - hotunbind_lateclose(&priv); + igt_subtest_group { + igt_describe("Check if the driver can be cleanly unbound from a still open device, then released"); + igt_subtest("hotunbind-lateclose") + hotunbind_lateclose(&priv); + + igt_fixture + recover(&priv); + } igt_fixture post_healthcheck(&priv); - igt_describe("Check if a still open device can be cleanly unplugged, then released"); - igt_subtest("hotunplug-lateclose") - hotunplug_lateclose(&priv); + igt_subtest_group { + igt_describe("Check if a still open device can be cleanly unplugged, then released"); + igt_subtest("hotunplug-lateclose") + hotunplug_lateclose(&priv); + + igt_fixture + recover(&priv); + } igt_fixture { post_healthcheck(&priv); |