grub/include/grub/usbdesc.h
2010-08-17 19:03:22 +05:30

125 lines
2.9 KiB
C

/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_USBDESC_H
#define GRUB_USBDESC_H 1
#include <grub/types.h>
#include <grub/symbol.h>
typedef enum {
GRUB_USB_DESCRIPTOR_DEVICE = 1,
GRUB_USB_DESCRIPTOR_CONFIG,
GRUB_USB_DESCRIPTOR_STRING,
GRUB_USB_DESCRIPTOR_INTERFACE,
GRUB_USB_DESCRIPTOR_ENDPOINT,
GRUB_USB_DESCRIPTOR_HUB = 0x29
} grub_usb_descriptor_t;
struct grub_usb_desc
{
grub_uint8_t length;
grub_uint8_t type;
} __attribute__ ((packed));
struct grub_usb_desc_device
{
grub_uint8_t length;
grub_uint8_t type;
grub_uint16_t usbrel;
grub_uint8_t class;
grub_uint8_t subclass;
grub_uint8_t protocol;
grub_uint8_t maxsize0;
grub_uint16_t vendorid;
grub_uint16_t prodid;
grub_uint16_t devrel;
grub_uint8_t strvendor;
grub_uint8_t strprod;
grub_uint8_t strserial;
grub_uint8_t configcnt;
} __attribute__ ((packed));
struct grub_usb_desc_config
{
grub_uint8_t length;
grub_uint8_t type;
grub_uint16_t totallen;
grub_uint8_t numif;
grub_uint8_t config;
grub_uint8_t strconfig;
grub_uint8_t attrib;
grub_uint8_t maxpower;
} __attribute__ ((packed));
#if 0
struct grub_usb_desc_if_association
{
grub_uint8_t length;
grub_uint8_t type;
grub_uint8_t firstif;
grub_uint8_t ifcnt;
grub_uint8_t class;
grub_uint8_t subclass;
grub_uint8_t protocol;
grub_uint8_t function;
} __attribute__ ((packed));
#endif
struct grub_usb_desc_if
{
grub_uint8_t length;
grub_uint8_t type;
grub_uint8_t ifnum;
grub_uint8_t altsetting;
grub_uint8_t endpointcnt;
grub_uint8_t class;
grub_uint8_t subclass;
grub_uint8_t protocol;
grub_uint8_t strif;
} __attribute__ ((packed));
struct grub_usb_desc_endp
{
grub_uint8_t length;
grub_uint8_t type;
grub_uint8_t endp_addr;
grub_uint8_t attrib;
grub_uint16_t maxpacket;
grub_uint8_t interval;
} __attribute__ ((packed));
struct grub_usb_desc_str
{
grub_uint8_t length;
grub_uint8_t type;
grub_uint16_t str[0];
} __attribute__ ((packed));
struct grub_usb_usb_hubdesc
{
grub_uint8_t length;
grub_uint8_t type;
grub_uint8_t portcnt;
grub_uint16_t characteristics;
grub_uint8_t pwdgood;
grub_uint8_t current;
/* Removable and power control bits follow. */
} __attribute__ ((packed));
#endif /* GRUB_USBDESC_H */