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usbdrv Read from USB flash drive

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This commit is contained in:
Kamil Kowalczyk
2026-04-06 10:38:44 +02:00
parent 0b25061afa
commit fe628466b4
6 changed files with 211 additions and 10 deletions
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18
kernel/device/usb/usb.c
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@@ -1,5 +1,6 @@
#include <device/def_device_op.h>
#include <device/device.h>
#include <device/storage/partitions.h>
#include <device/storage/usbdrv.h>
#include <device/usb/usb.h>
#include <device/usb/xhci.h>
@@ -16,7 +17,13 @@ static atomic_int usb_ms_counter = 0;
static struct device* usb_ms_init (struct xhci* xhci, struct xhci_usb_device* usb_device,
struct proc* proc, struct reschedule_ctx* rctx,
uint64_t* lockflags) {
static device_op_func_t ops[] = {0};
static device_op_func_t ops[] = {
[XDRV_GET_SIZE] = &usbdrv_get_size,
[XDRV_GET_SECTOR_SIZE] = &usbdrv_get_sector_size,
[XDRV_GET_DEVICE_TYPE] = &usbdrv_get_device_type,
[XDRV_READ] = &usbdrv_read,
[XDRV_WRITE] = &usbdrv_write,
};
struct usbdrv_init init = {
.xhci = xhci,
@@ -27,8 +34,13 @@ static struct device* usb_ms_init (struct xhci* xhci, struct xhci_usb_device* us
char key[30];
snprintf (key, sizeof (key), "usbdrv%d", atomic_fetch_add (&usb_ms_counter, 1));
return device_create (DEVICE_TYPE_DRIVE, key, ops, lengthof (ops), &usbdrv_init, &usbdrv_fini,
&init, proc, rctx);
struct device* device = device_create (DEVICE_TYPE_DRIVE, key, ops, lengthof (ops), &usbdrv_init,
&usbdrv_fini, &init, proc, rctx);
if (device != NULL)
device_probe_partitions (proc, rctx, device);
return device;
}
struct usb_driver_info usb_driver_infos[USB_DRIVER_MAX_MATCHES] = {