int send_msg(msg_t *msg)
{
int retval;
retval = mcc_send(&mqx_endpoint_m4, msg, sizeof(msg_t), 0xffffffff);
if(retval)
qDebug("mcc_send failed, result = 0x%x", retval);
//mcc_destroy(mqx_endpoint_a5.node);
return retval;
}
static ssize_t imx_mcc_pingpong_en(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
u32 pingpong_en;
int i = 0, ret = 0;
struct timeval tv1, tv2, tv3;
u32 tv_count1 = 0, tv_count2 = 0;
struct mcc_pp_msg msg;
MCC_MEM_SIZE num_of_received_bytes;
MCC_INFO_STRUCT mcc_info;
sscanf(buf, "%d\n", &pingpong_en);
if (pingpong_en) {
pr_info("imx mcc pingpong test begin.\n");
ret = mcc_get_info(MCC_NODE_A9, &mcc_info);
if (ret) {
pr_err("failed to get mcc info.\n");
return -EINVAL;
}
ret = mcc_create_endpoint(&mcc_endpoint_a9_pingpong,
MCC_A9_PORT);
if (ret) {
pr_err("failed to create a9 mcc ep.\n");
return -EINVAL;
}
pr_info("\nA9 mcc prepares run, MCC version is %s\n",
mcc_info.version_string);
msg.data = 1;
while (i < 0x50000) {
i++;
i++;
/*
* wait until the remote endpoint is created by
* the other core
*/
if (pingpong_en > 1)
do_gettimeofday(&tv1);
ret = mcc_send(&mcc_endpoint_a9_pingpong,
&mcc_endpoint_m4_pingpong, &msg,
sizeof(struct mcc_pp_msg),
0xffffffff);
if (ret < 0) {
pr_err("A9 Main task send error: %d\n", ret);
break;
}
if (pingpong_en > 1) {
do_gettimeofday(&tv2);
tv_count1 = (tv2.tv_sec - tv1.tv_sec)
* USEC_PER_SEC
+ tv2.tv_usec - tv1.tv_usec;
}
while (MCC_ERR_ENDPOINT == ret) {
pr_err("\n send err ret %d, re-send\n", ret);
ret = mcc_send(&mcc_endpoint_a9_pingpong,
&mcc_endpoint_m4_pingpong, &msg,
sizeof(struct mcc_pp_msg),
0xffffffff);
msleep(5000);
}
if (pingpong_en > 1)
do_gettimeofday(&tv2);
ret = mcc_recv(&mcc_endpoint_m4_pingpong,
&mcc_endpoint_a9_pingpong, &msg,
sizeof(struct mcc_pp_msg),
&num_of_received_bytes, 0xffffffff);
if (pingpong_en > 1) {
do_gettimeofday(&tv3);
tv_count2 = (tv3.tv_sec - tv2.tv_sec)
* USEC_PER_SEC
+ tv3.tv_usec - tv2.tv_usec;
pr_info("imx mcc: Data transfer speed tests"
"in pingpong. a9 -> m4:%08dus."
"a9 <- m4:%08dus.\n",
tv_count1, tv_count2);
}
if (MCC_SUCCESS != ret) {
pr_err("A9 Main task receive error: %d\n", ret);
break;
} else {
pr_info("%08x Main task received a msg"
" from [%d, %d, %d] endpoint\n", i,
mcc_endpoint_m4_pingpong.core,
mcc_endpoint_m4_pingpong.node,
mcc_endpoint_m4_pingpong.port);
pr_info("Message: Size=0x%08x, data = 0x%08x\n",
num_of_received_bytes, msg.data);
msg.data++;
}
}
ret = mcc_destroy_endpoint(&mcc_endpoint_a9_pingpong);
if (ret) {
pr_err("failed to destory a9 mcc ep.\n");
return ret;
} else {
pr_info("destory a9 mcc ep.\n");
}
pr_info("imx mcc test end after %08d times tests.\n", i/2);
}
if (ret)
return ret;
else
return count;
}
