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Date: Sat, 20 May 2017 01:46:59 -0500
From: yi1.li@...ux.intel.com
To: mcgrof@...nel.org, atull@...nel.org, gregkh@...uxfoundation.org,
wagi@...om.org, dwmw2@...radead.org, rafal@...ecki.pl,
arend.vanspriel@...adcom.com, rjw@...ysocki.net,
moritz.fischer@...us.com, pmladek@...e.com,
johannes.berg@...el.com, emmanuel.grumbach@...el.com,
luciano.coelho@...el.com, kvalo@...eaurora.org, luto@...nel.org,
takahiro.akashi@...aro.org, dhowells@...hat.com, pjones@...hat.com
Cc: linux-kernel@...r.kernel.org, linux-fpga@...r.kernel.org,
Yi Li <yi1.li@...ux.intel.com>
Subject: [PATCHv2 3/3] test: add no_cache to driver_data load tester
From: Yi Li <yi1.li@...ux.intel.com>
This adds a no_cache flag to simple sync and async test.
Signed-off-by: Yi Li <yi1.li@...ux.intel.com>
---
lib/test_driver_data.c | 43 +++++++++++++++++++++++--
tools/testing/selftests/firmware/driver_data.sh | 36 +++++++++++++++++++++
2 files changed, 76 insertions(+), 3 deletions(-)
diff --git a/lib/test_driver_data.c b/lib/test_driver_data.c
index 488cc6e..fa7f52b 100644
--- a/lib/test_driver_data.c
+++ b/lib/test_driver_data.c
@@ -64,6 +64,10 @@ int num_test_devs;
* struct driver_data_reg_params @optional field for more information.
* @keep: whether or not we wish to free the driver_data on our own, refer to
* the struct driver_data_req_params @keep field for more information.
+ * @no_cache: whether or not we wish to use the internal caching mechanism
+ * to assist drivers from fetching driver data at resume time after
+ * suspend, refer to the struct driver_data_req_params .req
+ * DRIVER_DATA_REQ_NO_CACHE for more information.
* @enable_opt_cb: whether or not the optional callback should be set
* on a trigger. There is no equivalent setting on the struct
* driver_data_req_params as this is implementation specific, and in
@@ -112,6 +116,7 @@ struct test_config {
bool async;
bool optional;
bool keep;
+ bool no_cache;
bool enable_opt_cb;
bool use_api_versioning;
u8 api_min;
@@ -337,6 +342,9 @@ static ssize_t config_show(struct device *dev,
len += snprintf(buf+len, PAGE_SIZE,
"keep:\t\t%s\n",
config->keep ? "true" : "false");
+ len += snprintf(buf+len, PAGE_SIZE,
+ "no_cache:\t\t%s\n",
+ config->no_cache ? "true" : "false");
mutex_unlock(&test_dev->config_mutex);
@@ -452,7 +460,8 @@ static int trigger_config_sync(struct driver_data_test_device *test_dev)
DRIVER_DATA_SYNC_OPT_CB(config_sync_req_default_cb,
test_dev),
.reqs = (config->optional ? DRIVER_DATA_REQ_OPTIONAL : 0) |
- (config->keep ? DRIVER_DATA_REQ_KEEP : 0),
+ (config->keep ? DRIVER_DATA_REQ_KEEP : 0) |
+ (config->no_cache ? DRIVER_DATA_REQ_NO_CACHE : 0),
};
const struct driver_data_req_params *req_params;
@@ -518,19 +527,22 @@ static int trigger_config_async(struct driver_data_test_device *test_dev)
const struct driver_data_req_params req_params_default = {
DRIVER_DATA_DEFAULT_ASYNC(config_async_req_cb, test_dev),
.reqs = (config->optional ? DRIVER_DATA_REQ_OPTIONAL : 0) |
- (config->keep ? DRIVER_DATA_REQ_KEEP : 0),
+ (config->keep ? DRIVER_DATA_REQ_KEEP : 0) |
+ (config->no_cache ? DRIVER_DATA_REQ_NO_CACHE : 0),
};
const struct driver_data_req_params req_params_opt_cb = {
DRIVER_DATA_DEFAULT_ASYNC(config_async_req_cb, test_dev),
DRIVER_DATA_ASYNC_OPT_CB(config_async_req_default_cb, test_dev),
.reqs = (config->optional ? DRIVER_DATA_REQ_OPTIONAL : 0) |
- (config->keep ? DRIVER_DATA_REQ_KEEP : 0),
+ (config->keep ? DRIVER_DATA_REQ_KEEP : 0) |
+ (config->no_cache ? DRIVER_DATA_REQ_NO_CACHE : 0),
};
const struct driver_data_req_params req_params_api = {
DRIVER_DATA_API_CB(config_async_req_api_cb, test_dev),
DRIVER_DATA_API(config->api_min, config->api_max, config->api_name_postfix),
.reqs = (config->optional ? DRIVER_DATA_REQ_OPTIONAL : 0) |
(config->keep ? DRIVER_DATA_REQ_KEEP : 0) |
+ (config->no_cache ? DRIVER_DATA_REQ_NO_CACHE : 0) |
(config->use_api_versioning ? DRIVER_DATA_REQ_USE_API_VERSIONING : 0),
};
const struct driver_data_req_params *req_params;
@@ -656,6 +668,7 @@ static int __driver_data_config_init(struct test_config *config)
config->async = false;
config->optional = false;
config->keep = false;
+ config->no_cache = false;
config->enable_opt_cb = false;
config->use_api_versioning = false;
config->api_min = 0;
@@ -975,6 +988,29 @@ static ssize_t config_keep_show(struct device *dev,
}
static DEVICE_ATTR(config_keep, 0644, config_keep_show, config_keep_store);
+static ssize_t config_no_cache_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct driver_data_test_device *test_dev = dev_to_test_dev(dev);
+ struct test_config *config = &test_dev->config;
+
+ return test_dev_config_update_bool(test_dev, buf, count,
+ &config->no_cache);
+}
+
+static ssize_t config_no_cache_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct driver_data_test_device *test_dev = dev_to_test_dev(dev);
+ struct test_config *config = &test_dev->config;
+
+ return test_dev_config_show_bool(test_dev, buf, config->no_cache);
+}
+static DEVICE_ATTR(config_no_cache, 0644, config_no_cache_show,
+ config_no_cache_store);
+
static ssize_t config_enable_opt_cb_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
@@ -1132,6 +1168,7 @@ static struct attribute *test_dev_attrs[] = {
TEST_DRIVER_DATA_DEV_ATTR(config_async),
TEST_DRIVER_DATA_DEV_ATTR(config_optional),
TEST_DRIVER_DATA_DEV_ATTR(config_keep),
+ TEST_DRIVER_DATA_DEV_ATTR(config_no_cache),
TEST_DRIVER_DATA_DEV_ATTR(config_use_api_versioning),
TEST_DRIVER_DATA_DEV_ATTR(config_enable_opt_cb),
TEST_DRIVER_DATA_DEV_ATTR(config_api_min),
diff --git a/tools/testing/selftests/firmware/driver_data.sh b/tools/testing/selftests/firmware/driver_data.sh
index c830d04..82fae0a 100755
--- a/tools/testing/selftests/firmware/driver_data.sh
+++ b/tools/testing/selftests/firmware/driver_data.sh
@@ -212,6 +212,22 @@ config_disable_keep()
fi
}
+config_set_no_cache()
+{
+ if ! echo -n 1 >$DIR/config_no_cache; then
+ echo "$0: Unable to set to no_cache" >&2
+ exit 1
+ fi
+}
+
+config_disable_no_cache()
+{
+ if ! echo -n 0 >$DIR/config_no_cache; then
+ echo "$0: Unable to disable no_cache option" >&2
+ exit 1
+ fi
+}
+
config_enable_opt_cb()
{
if ! echo -n 1 >$DIR/config_enable_opt_cb; then
@@ -525,10 +541,30 @@ driver_data_test_0004a()
config_expect_result ${FUNCNAME[0]} SUCCESS
}
+driver_data_test_0004s_no_cache()
+{
+ driver_data_set_sync_defaults
+ config_set_no_cache
+ config_trigger ${FUNCNAME[0]}
+ config_file_should_match ${FUNCNAME[0]}
+ config_expect_result ${FUNCNAME[0]} SUCCESS
+}
+
+driver_data_test_0004a_no_cache()
+{
+ driver_data_set_async_defaults
+ config_set_no_cache
+ config_trigger ${FUNCNAME[0]}
+ config_file_should_match ${FUNCNAME[0]}
+ config_expect_result ${FUNCNAME[0]} SUCCESS
+}
+
driver_data_test_0004()
{
driver_data_test_0004s
driver_data_test_0004a
+ driver_data_test_0004s_no_cache
+ driver_data_test_0004a_no_cache
}
driver_data_test_0005s()
--
2.7.4
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