forked from mirror/qemu
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
/*
|
|
* CanoKey QEMU device header.
|
|
*
|
|
* Copyright (c) 2021-2022 Canokeys.org <contact@canokeys.org>
|
|
* Written by Hongren (Zenithal) Zheng <i@zenithal.me>
|
|
*
|
|
* This code is licensed under the Apache-2.0.
|
|
*/
|
|
|
|
#ifndef CANOKEY_H
|
|
#define CANOKEY_H
|
|
|
|
#include "hw/qdev-core.h"
|
|
|
|
#define TYPE_CANOKEY "canokey"
|
|
#define CANOKEY(obj) \
|
|
OBJECT_CHECK(CanoKeyState, (obj), TYPE_CANOKEY)
|
|
|
|
/*
|
|
* State of Canokey (i.e. hw/canokey.c)
|
|
*/
|
|
|
|
/* CTRL INTR BULK */
|
|
#define CANOKEY_EP_NUM 3
|
|
/* BULK/INTR IN can be up to 1352 bytes, e.g. get key info */
|
|
#define CANOKEY_EP_IN_BUFFER_SIZE 2048
|
|
/* BULK OUT can be up to 270 bytes, e.g. PIV import cert */
|
|
#define CANOKEY_EP_OUT_BUFFER_SIZE 512
|
|
|
|
typedef enum {
|
|
CANOKEY_EP_IN_WAIT,
|
|
CANOKEY_EP_IN_READY,
|
|
CANOKEY_EP_IN_STALL
|
|
} CanoKeyEPState;
|
|
|
|
typedef struct CanoKeyState {
|
|
USBDevice dev;
|
|
|
|
/* IN packets from canokey device loop */
|
|
uint8_t ep_in[CANOKEY_EP_NUM][CANOKEY_EP_IN_BUFFER_SIZE];
|
|
/*
|
|
* See canokey_emu_transmit
|
|
*
|
|
* For large INTR IN, receive multiple data from canokey device loop
|
|
* in this case ep_in_size would increase with every call
|
|
*/
|
|
uint32_t ep_in_size[CANOKEY_EP_NUM];
|
|
/*
|
|
* Used in canokey_handle_data
|
|
* for IN larger than p->iov.size, we would do multiple handle_data()
|
|
*
|
|
* The difference between ep_in_pos and ep_in_size:
|
|
* We first increase ep_in_size to fill ep_in buffer in device_loop,
|
|
* then use ep_in_pos to submit data from ep_in buffer in handle_data
|
|
*/
|
|
uint32_t ep_in_pos[CANOKEY_EP_NUM];
|
|
CanoKeyEPState ep_in_state[CANOKEY_EP_NUM];
|
|
|
|
/* OUT pointer to canokey recv buffer */
|
|
uint8_t *ep_out[CANOKEY_EP_NUM];
|
|
uint32_t ep_out_size[CANOKEY_EP_NUM];
|
|
/* For large BULK OUT, multiple write to ep_out is needed */
|
|
uint8_t ep_out_buffer[CANOKEY_EP_NUM][CANOKEY_EP_OUT_BUFFER_SIZE];
|
|
|
|
/* Properties */
|
|
char *file; /* canokey-file */
|
|
} CanoKeyState;
|
|
|
|
#endif /* CANOKEY_H */
|