vbatts/grub
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Restructure usbms as a preparation for hotplug

Browse source
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-06-02 19:52:17 +02:00
parent 4f034dd24d
commit 440ab68551
3 changed files with 227 additions and 169 deletions
Download patch file Download diff file Expand all files Collapse all files

51
bus/usb/usb.c
View file

@ -21,6 +21,7 @@
#include <grub/mm.h>
#include <grub/usb.h>
#include <grub/misc.h>
#include <grub/list.h>
static grub_usb_controller_dev_t grub_usb_list;
@ -232,3 +233,53 @@ grub_usb_device_initialize (grub_usb_device_t dev)
return err;
}
struct grub_usb_attach_desc *attach_hooks;
void
grub_usb_register_attach_hook_class (struct grub_usb_attach_desc *desc)
{
auto int usb_iterate (grub_usb_device_t dev);
int usb_iterate (grub_usb_device_t usbdev)
{
struct grub_usb_desc_device *descdev = &usbdev->descdev;
int i;
if (descdev->class != 0 || descdev->subclass || descdev->protocol != 0
|| descdev->configcnt == 0)
return 0;
/* XXX: Just check configuration 0 for now. */
for (i = 0; i < usbdev->config[0].descconf->numif; i++)
{
struct grub_usb_desc_if *interf;
interf = usbdev->config[0].interf[i].descif;
grub_dprintf ("usb", "iterate: interf=%d, class=%d, subclass=%d, protocol=%d\n",
i, interf->class, interf->subclass, interf->protocol);
if (usbdev->config[0].interf[i].attached)
continue;
if (interf->class != desc->class)
continue;
if (desc->hook (usbdev, 0, i))
usbdev->config[0].interf[i].attached = 1;
}
return 0;
}
desc->next = attach_hooks;
attach_hooks = desc;
grub_usb_iterate (usb_iterate);
}
void
grub_usb_unregister_attach_hook_class (struct grub_usb_attach_desc *desc)
{
grub_list_remove (GRUB_AS_LIST_P (&attach_hooks), GRUB_AS_LIST (desc));
}