Hello, world USB driver

dmesg

[root@hp kernel_mod]# make i
cp sma_usb.ko /lib/modules/5.6.3/
sudo modprobe sma_usb
[root@hp kernel_mod]# make c
dmesg -c
[ 4529.628355] Hello Guy
[ 4529.628392] usbcore: registered new interface driver my first usb driver
[root@hp kernel_mod]# make c
dmesg -c
[ 4540.367850] usb 3-3: USB disconnect, device number 11
[root@hp kernel_mod]# make c
dmesg -c
[ 4545.358673] usb 3-3: new full-speed USB device number 12 using xhci_hcd
[ 4545.489752] usb 3-3: New USB device found, idVendor=045e, idProduct=0800, bcdDevice= 9.44
[ 4545.489759] usb 3-3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 4545.489762] usb 3-3: Product: Microsoft® Nano Transceiver v2.0
[ 4545.489765] usb 3-3: Manufacturer: Microsoft
[ 4545.495030] input: Microsoft Microsoft® Nano Transceiver v2.0 as /devices/pci0000:00/0000:00:14.0/usb3/3-3/3-3:1.0/0003:045E:0800.000A/input/input44
[ 4545.547377] hid-generic 0003:045E:0800.000A: input,hidraw0: USB HID v1.11 Keyboard [Microsoft Microsoft® Nano Transceiver v2.0] on usb-0000:00:14.0-3/input0
[ 4545.553893] input: Microsoft Microsoft® Nano Transceiver v2.0 Mouse as /devices/pci0000:00/0000:00:14.0/usb3/3-3/3-3:1.1/0003:045E:0800.000B/input/input45
[ 4545.554372] input: Microsoft Microsoft® Nano Transceiver v2.0 Consumer Control as /devices/pci0000:00/0000:00:14.0/usb3/3-3/3-3:1.1/0003:045E:0800.000B/input/input46
[ 4545.554594] hid-generic 0003:045E:0800.000B: input,hidraw1: USB HID v1.11 Mouse [Microsoft Microsoft® Nano Transceiver v2.0] on usb-0000:00:14.0-3/input1
[ 4545.561376] input: Microsoft Microsoft® Nano Transceiver v2.0 Consumer Control as /devices/pci0000:00/0000:00:14.0/usb3/3-3/3-3:1.2/0003:045E:0800.000C/input/input47
[ 4545.613190] input: Microsoft Microsoft® Nano Transceiver v2.0 System Control as /devices/pci0000:00/0000:00:14.0/usb3/3-3/3-3:1.2/0003:045E:0800.000C/input/input49
[ 4545.614471] hid-generic 0003:045E:0800.000C: input,hiddev96,hidraw2: USB HID v1.11 Device [Microsoft Microsoft® Nano Transceiver v2.0] on usb-0000:00:14.0-3/input2

Makefile

# Set module name from the list:
program = sma_usb


# 'The list'
#----------
obj-m += sma_usb.o
# obj-m += sma_chardev.o
# obj-m += sma_skeleton.o
# obj-m += hello.o
# obj-m += hello-5.o
# obj-m += simple_keylogger.o
# obj-m += task_struct.o
# obj-m += current.o
# obj-m += scull.o
# obj-m += chardev.o
# obj-m += my_printk.o
# obj-m += sma_task_struct_id_2.o
# obj-m += sma_list.o
# obj-m += kdatasize.o
# obj-m += sma_sys.o
# obj-m += sma_timer.o
# obj-m := sma_jiffies.o
# obj-m := sma_list_ex2.o

######## Not Working ########
# program = syscall_mkdir
# program = keylogger_1
# program = smash_MBR



all:
	make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules
	gcc datasize.c -o datasize
# 	mknod smalinux_node c 10 100 || exit 0

# insert
i:
# 	depmod -ae 			https://stackoverflow.com/a/34800857/5688267
	cp $(program).ko /lib/modules/$(shell uname -r)/
	sudo modprobe $(program)

# remove
r:
	modprobe -r $(program)
	rm /lib/modules/$(shell uname -r)/$(program).ko

# print
p:
	dmesg

l:
	lsmod | grep $(program)

# clear dmesg
c:
	dmesg -c

mknod:
	echo "Make node"
# 	$ mknod /dev/devname c majorNum MinorNum

rmnod:
	echo "Remove node"
# 	rm -fr /dev/$(program)

# Cleaning the code style
style:
	/home/smalinux/Downloads/linux-5.6.3/scripts/Lindent $(program).c

info:
	modinfo $(program).ko 			#userspace program prints .modinfo section

clean:
	make -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean

sma_usb.c

#include <linux/module.h>    /*included for all kernel modules*/
#include <linux/kernel.h>    /*included for KERN_DEBUG*/
#include <linux/init.h>      /*included for __init and __exit macros*/
#include <linux/usb.h>
#include <linux/usb/input.h>
#include <linux/hid.h>

#define MY_USB_VENDOR_ID 0x045e
#define MY_USB_PRODUCT_ID 0x0800
static struct usb_device_id my_usb_table[] = {
       { USB_DEVICE(MY_USB_VENDOR_ID, MY_USB_PRODUCT_ID) },
       {},
};
MODULE_DEVICE_TABLE(usb, my_usb_table);

static int
my_pdrv_probe(struct usb_interface *pdev, const struct usb_device_id *id) {
    pr_err("Hello\n");
    return 0;
}

static void my_pdrv_remove(struct usb_interface *pdev) {
    pr_err("Bye\n");
}

static struct usb_driver mypdrv = {
    .name = "my first usb driver",
    .id_table = my_usb_table,
    .probe = my_pdrv_probe,
    .disconnect = my_pdrv_remove,
};
// module_usb_driver(mypdrv);

static int __init my_pdev_init(void)
{
    pr_err("Hello Guy\n");
    /* Refister with kernel  */
    usb_register(&mypdrv);
    return 0;
}

static void __exit my_pdev_remove(void)
{
    pr_err("Bye Guy\n");
    /* Unregister from kernel */
    usb_deregister(&mypdrv);
}

module_init(my_pdev_init);
module_exit(my_pdev_remove);

MODULE_LICENSE("GPL");
MODULE_AUTHOR("Sohaib Mohammed");
MODULE_DESCRIPTION("first usb driver module");
MODULE_VERSION("0.1");