diff options
Diffstat (limited to 'kernel/ethosu_network.c')
| -rw-r--r-- | kernel/ethosu_network.c | 43 |
1 files changed, 41 insertions, 2 deletions
diff --git a/kernel/ethosu_network.c b/kernel/ethosu_network.c index 57ccb62..0654a79 100644 --- a/kernel/ethosu_network.c +++ b/kernel/ethosu_network.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2020, 2022 Arm Limited. + * Copyright (c) 2020,2022 Arm Limited. * * This program is free software and is provided to you under the terms of the * GNU General Public License version 2 as published by the Free Software @@ -27,6 +27,7 @@ #include "ethosu_buffer.h" #include "ethosu_device.h" #include "ethosu_inference.h" +#include "ethosu_network_info.h" #include "uapi/ethosu.h" #include <linux/anon_inodes.h> @@ -87,6 +88,27 @@ static int ethosu_network_release(struct inode *inode, return 0; } +static int ethosu_network_info_request(struct ethosu_network *net, + struct ethosu_uapi_network_info *uapi) +{ + struct ethosu_network_info *info; + int ret; + + /* Create network info request */ + info = ethosu_network_info_create(net->edev, net, uapi); + if (IS_ERR(info)) + return PTR_ERR(info); + + /* Unlock the device mutex and wait for completion */ + mutex_unlock(&net->edev->mutex); + ret = ethosu_network_info_wait(info, 3000); + mutex_lock(&net->edev->mutex); + + ethosu_network_info_put(info); + + return ret; +} + static long ethosu_network_ioctl(struct file *file, unsigned int cmd, unsigned long arg) @@ -99,9 +121,26 @@ static long ethosu_network_ioctl(struct file *file, if (ret) return ret; - dev_info(net->edev->dev, "Ioctl: cmd=%u, arg=%lu\n", cmd, arg); + dev_info(net->edev->dev, "Ioctl: cmd=0x%x, arg=0x%lx\n", cmd, arg); switch (cmd) { + case ETHOSU_IOCTL_NETWORK_INFO: { + struct ethosu_uapi_network_info uapi; + + if (copy_from_user(&uapi, udata, sizeof(uapi))) + break; + + dev_info(net->edev->dev, + "Ioctl: Network info. handle=%p\n", + net); + + ret = ethosu_network_info_request(net, &uapi); + if (ret) + break; + + ret = copy_to_user(udata, &uapi, sizeof(uapi)) ? -EFAULT : 0; + break; + } case ETHOSU_IOCTL_INFERENCE_CREATE: { struct ethosu_uapi_inference_create uapi; |