Improved logging
Add logging class for driver library. Log severity can be configured
using an environment variable.
Add information to prints in kernel space.
Change-Id: I19a1078869733746726515a6cafb79110314066d
diff --git a/kernel/ethosu_device.c b/kernel/ethosu_device.c
index 6bc3c28..0f1a284 100644
--- a/kernel/ethosu_device.c
+++ b/kernel/ethosu_device.c
@@ -291,7 +291,7 @@
file->private_data = edev;
- dev_info(edev->dev, "Opening device node.\n");
+ dev_info(edev->dev, "Device open. file=0x%pK\n", file);
return nonseekable_open(inode, file);
}
@@ -308,16 +308,20 @@
if (ret)
return ret;
- dev_info(edev->dev, "Ioctl. cmd=0x%x, arg=0x%lx\n", cmd, arg);
+ dev_info(edev->dev, "Device ioctl. file=0x%pK, cmd=0x%x, arg=0x%lx\n",
+ file, cmd, arg);
switch (cmd) {
case ETHOSU_IOCTL_VERSION_REQ:
- dev_info(edev->dev, "Ioctl: Send version request\n");
+ dev_info(edev->dev, "Device ioctl: Send version request\n");
ret = ethosu_mailbox_version_request(&edev->mailbox);
break;
case ETHOSU_IOCTL_CAPABILITIES_REQ: {
struct ethosu_uapi_device_capabilities uapi;
- dev_info(edev->dev, "Ioctl: Send capabilities request\n");
+
+ dev_info(edev->dev,
+ "Device ioctl: Send capabilities request\n");
+
ret = ethosu_capabilities_request(edev, &uapi);
if (ret)
break;
@@ -326,19 +330,18 @@
break;
}
case ETHOSU_IOCTL_PING: {
- dev_info(edev->dev, "Ioctl: Send ping\n");
+ dev_info(edev->dev, "Device ioctl: Send ping\n");
ret = ethosu_mailbox_ping(&edev->mailbox);
break;
}
case ETHOSU_IOCTL_BUFFER_CREATE: {
struct ethosu_uapi_buffer_create uapi;
- dev_info(edev->dev, "Ioctl: Buffer create\n");
-
if (copy_from_user(&uapi, udata, sizeof(uapi)))
break;
- dev_info(edev->dev, "Ioctl: Buffer. capacity=%u\n",
+ dev_info(edev->dev,
+ "Device ioctl: Buffer create. capacity=%u\n",
uapi.capacity);
ret = ethosu_buffer_create(edev, uapi.capacity);
@@ -350,7 +353,9 @@
if (copy_from_user(&uapi, udata, sizeof(uapi)))
break;
- dev_info(edev->dev, "Ioctl: Network. fd=%u\n", uapi.fd);
+ dev_info(edev->dev,
+ "Device ioctl: Network create. type=%u, fd/index=%u\n",
+ uapi.type, uapi.fd);
ret = ethosu_network_create(edev, &uapi);
break;