cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

if_usb.h (1924B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef _LBS_IF_USB_H
      3#define _LBS_IF_USB_H
      4
      5#include <linux/wait.h>
      6#include <linux/timer.h>
      7
      8struct lbs_private;
      9
     10/*
     11 * This file contains definition for USB interface.
     12 */
     13#define CMD_TYPE_REQUEST		0xF00DFACE
     14#define CMD_TYPE_DATA			0xBEADC0DE
     15#define CMD_TYPE_INDICATION		0xBEEFFACE
     16
     17#define IPFIELD_ALIGN_OFFSET		2
     18
     19#define BOOT_CMD_FW_BY_USB		0x01
     20#define BOOT_CMD_FW_IN_EEPROM		0x02
     21#define BOOT_CMD_UPDATE_BOOT2		0x03
     22#define BOOT_CMD_UPDATE_FW		0x04
     23#define BOOT_CMD_MAGIC_NUMBER		0x4C56524D   /* LVRM */
     24
     25struct bootcmd
     26{
     27	__le32	magic;
     28	uint8_t	cmd;
     29	uint8_t	pad[11];
     30};
     31
     32#define BOOT_CMD_RESP_OK		0x0001
     33#define BOOT_CMD_RESP_FAIL		0x0000
     34#define BOOT_CMD_RESP_NOT_SUPPORTED	0x0002
     35
     36struct bootcmdresp
     37{
     38	__le32	magic;
     39	uint8_t	cmd;
     40	uint8_t	result;
     41	uint8_t	pad[2];
     42};
     43
     44/* USB card description structure*/
     45struct if_usb_card {
     46	struct usb_device *udev;
     47	uint32_t model;  /* MODEL_* */
     48	struct urb *rx_urb, *tx_urb;
     49	struct lbs_private *priv;
     50
     51	struct sk_buff *rx_skb;
     52
     53	uint8_t ep_in;
     54	uint8_t ep_out;
     55
     56	/* bootcmdresp == 0 means command is pending
     57	 * bootcmdresp < 0 means error
     58	 * bootcmdresp > 0 is a BOOT_CMD_RESP_* from firmware
     59	 */
     60	int8_t bootcmdresp;
     61
     62	int ep_in_size;
     63
     64	void *ep_out_buf;
     65	int ep_out_size;
     66
     67	const struct firmware *fw;
     68	struct timer_list fw_timeout;
     69	wait_queue_head_t fw_wq;
     70	uint32_t fwseqnum;
     71	uint32_t totalbytes;
     72	uint32_t fwlastblksent;
     73	uint8_t CRC_OK;
     74	uint8_t fwdnldover;
     75	uint8_t fwfinalblk;
     76	uint8_t surprise_removed;
     77
     78	__le16 boot2_version;
     79};
     80
     81/* fwheader */
     82struct fwheader {
     83	__le32 dnldcmd;
     84	__le32 baseaddr;
     85	__le32 datalength;
     86	__le32 CRC;
     87};
     88
     89#define FW_MAX_DATA_BLK_SIZE	600
     90/* FWData */
     91struct fwdata {
     92	struct fwheader hdr;
     93	__le32 seqnum;
     94	uint8_t data[];
     95};
     96
     97/* fwsyncheader */
     98struct fwsyncheader {
     99	__le32 cmd;
    100	__le32 seqnum;
    101};
    102
    103#define FW_HAS_DATA_TO_RECV		0x00000001
    104#define FW_HAS_LAST_BLOCK		0x00000004
    105
    106
    107#endif