2010-10-17 13:40:07 +04:00
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/*
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* Copyright (C) 2011 Red Hat, Inc.
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*
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* CCID Device emulation
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*
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* Written by Alon Levy, with contributions from Robert Relyea.
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*
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2012-02-26 21:46:12 +04:00
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* Based on usb-serial.c, see its copyright and attributions below.
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2010-10-17 13:40:07 +04:00
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*
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* This work is licensed under the terms of the GNU GPL, version 2.1 or later.
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* See the COPYING file in the top-level directory.
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* ------- (original copyright & attribution for usb-serial.c below) --------
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* Copyright (c) 2006 CodeSourcery.
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* Copyright (c) 2008 Samuel Thibault <samuel.thibault@ens-lyon.org>
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* Written by Paul Brook, reused for FTDI by Samuel Thibault,
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*/
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/*
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* References:
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*
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* CCID Specification Revision 1.1 April 22nd 2005
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* "Universal Serial Bus, Device Class: Smart Card"
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* Specification for Integrated Circuit(s) Cards Interface Devices
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*
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2011-04-05 01:54:04 +04:00
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* Endianness note: from the spec (1.3)
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2010-10-17 13:40:07 +04:00
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* "Fields that are larger than a byte are stored in little endian"
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*
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* KNOWN BUGS
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* 1. remove/insert can sometimes result in removed state instead of inserted.
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* This is a result of the following:
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* symptom: dmesg shows ERMOTEIO (-121), pcscd shows -99. This can happen
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* when a short packet is sent, as seen in uhci-usb.c, resulting from a urb
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* from the guest requesting SPD and us returning a smaller packet.
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* Not sure which messages trigger this.
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*/
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#include "qemu-common.h"
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#include "qemu-error.h"
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#include "usb.h"
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2011-08-30 13:49:05 +04:00
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#include "usb-desc.h"
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2010-10-17 13:40:07 +04:00
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#include "monitor.h"
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#include "hw/ccid.h"
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#define DPRINTF(s, lvl, fmt, ...) \
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do { \
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if (lvl <= s->debug) { \
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printf("usb-ccid: " fmt , ## __VA_ARGS__); \
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} \
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} while (0)
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#define D_WARN 1
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#define D_INFO 2
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#define D_MORE_INFO 3
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#define D_VERBOSE 4
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#define CCID_DEV_NAME "usb-ccid"
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/*
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* The two options for variable sized buffers:
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* make them constant size, for large enough constant,
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* or handle the migration complexity - VMState doesn't handle this case.
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* sizes are expected never to be exceeded, unless guest misbehaves.
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*/
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#define BULK_OUT_DATA_SIZE 65536
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#define PENDING_ANSWERS_NUM 128
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#define BULK_IN_BUF_SIZE 384
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#define BULK_IN_PENDING_NUM 8
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#define InterfaceOutClass \
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((USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE)<<8)
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#define InterfaceInClass \
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((USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE)<<8)
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#define CCID_MAX_PACKET_SIZE 64
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#define CCID_CONTROL_ABORT 0x1
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#define CCID_CONTROL_GET_CLOCK_FREQUENCIES 0x2
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#define CCID_CONTROL_GET_DATA_RATES 0x3
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#define CCID_PRODUCT_DESCRIPTION "QEMU USB CCID"
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#define CCID_VENDOR_DESCRIPTION "QEMU " QEMU_VERSION
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#define CCID_INTERFACE_NAME "CCID Interface"
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#define CCID_SERIAL_NUMBER_STRING "1"
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/*
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* Using Gemplus Vendor and Product id
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* Effect on various drivers:
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* usbccid.sys (winxp, others untested) is a class driver so it doesn't care.
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* linux has a number of class drivers, but openct filters based on
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* vendor/product (/etc/openct.conf under fedora), hence Gemplus.
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*/
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#define CCID_VENDOR_ID 0x08e6
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#define CCID_PRODUCT_ID 0x4433
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#define CCID_DEVICE_VERSION 0x0000
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/*
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* BULK_OUT messages from PC to Reader
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* Defined in CCID Rev 1.1 6.1 (page 26)
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*/
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#define CCID_MESSAGE_TYPE_PC_to_RDR_IccPowerOn 0x62
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#define CCID_MESSAGE_TYPE_PC_to_RDR_IccPowerOff 0x63
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#define CCID_MESSAGE_TYPE_PC_to_RDR_GetSlotStatus 0x65
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#define CCID_MESSAGE_TYPE_PC_to_RDR_XfrBlock 0x6f
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#define CCID_MESSAGE_TYPE_PC_to_RDR_GetParameters 0x6c
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#define CCID_MESSAGE_TYPE_PC_to_RDR_ResetParameters 0x6d
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#define CCID_MESSAGE_TYPE_PC_to_RDR_SetParameters 0x61
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#define CCID_MESSAGE_TYPE_PC_to_RDR_Escape 0x6b
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#define CCID_MESSAGE_TYPE_PC_to_RDR_IccClock 0x6e
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#define CCID_MESSAGE_TYPE_PC_to_RDR_T0APDU 0x6a
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#define CCID_MESSAGE_TYPE_PC_to_RDR_Secure 0x69
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#define CCID_MESSAGE_TYPE_PC_to_RDR_Mechanical 0x71
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#define CCID_MESSAGE_TYPE_PC_to_RDR_Abort 0x72
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#define CCID_MESSAGE_TYPE_PC_to_RDR_SetDataRateAndClockFrequency 0x73
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/*
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* BULK_IN messages from Reader to PC
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* Defined in CCID Rev 1.1 6.2 (page 48)
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*/
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#define CCID_MESSAGE_TYPE_RDR_to_PC_DataBlock 0x80
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#define CCID_MESSAGE_TYPE_RDR_to_PC_SlotStatus 0x81
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#define CCID_MESSAGE_TYPE_RDR_to_PC_Parameters 0x82
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#define CCID_MESSAGE_TYPE_RDR_to_PC_Escape 0x83
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#define CCID_MESSAGE_TYPE_RDR_to_PC_DataRateAndClockFrequency 0x84
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/*
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* INTERRUPT_IN messages from Reader to PC
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* Defined in CCID Rev 1.1 6.3 (page 56)
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*/
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#define CCID_MESSAGE_TYPE_RDR_to_PC_NotifySlotChange 0x50
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#define CCID_MESSAGE_TYPE_RDR_to_PC_HardwareError 0x51
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/*
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* Endpoints for CCID - addresses are up to us to decide.
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* To support slot insertion and removal we must have an interrupt in ep
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* in addition we need a bulk in and bulk out ep
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* 5.2, page 20
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*/
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#define CCID_INT_IN_EP 1
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#define CCID_BULK_IN_EP 2
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#define CCID_BULK_OUT_EP 3
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/* bmSlotICCState masks */
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#define SLOT_0_STATE_MASK 1
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#define SLOT_0_CHANGED_MASK 2
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/* Status codes that go in bStatus (see 6.2.6) */
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enum {
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ICC_STATUS_PRESENT_ACTIVE = 0,
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ICC_STATUS_PRESENT_INACTIVE,
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ICC_STATUS_NOT_PRESENT
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};
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enum {
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COMMAND_STATUS_NO_ERROR = 0,
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COMMAND_STATUS_FAILED,
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COMMAND_STATUS_TIME_EXTENSION_REQUIRED
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};
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/* Error codes that go in bError (see 6.2.6) */
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enum {
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ERROR_CMD_NOT_SUPPORTED = 0,
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ERROR_CMD_ABORTED = -1,
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ERROR_ICC_MUTE = -2,
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ERROR_XFR_PARITY_ERROR = -3,
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ERROR_XFR_OVERRUN = -4,
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ERROR_HW_ERROR = -5,
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};
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/* 6.2.6 RDR_to_PC_SlotStatus definitions */
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enum {
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CLOCK_STATUS_RUNNING = 0,
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/*
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* 0 - Clock Running, 1 - Clock stopped in State L, 2 - H,
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2011-04-05 01:54:04 +04:00
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* 3 - unknown state. rest are RFU
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2010-10-17 13:40:07 +04:00
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*/
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};
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2011-08-31 14:38:01 +04:00
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typedef struct QEMU_PACKED CCID_Header {
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2010-10-17 13:40:07 +04:00
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uint8_t bMessageType;
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uint32_t dwLength;
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uint8_t bSlot;
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uint8_t bSeq;
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} CCID_Header;
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2011-08-31 14:38:01 +04:00
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typedef struct QEMU_PACKED CCID_BULK_IN {
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2010-10-17 13:40:07 +04:00
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CCID_Header hdr;
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uint8_t bStatus; /* Only used in BULK_IN */
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uint8_t bError; /* Only used in BULK_IN */
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} CCID_BULK_IN;
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2011-08-31 14:38:01 +04:00
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typedef struct QEMU_PACKED CCID_SlotStatus {
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2010-10-17 13:40:07 +04:00
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CCID_BULK_IN b;
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uint8_t bClockStatus;
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} CCID_SlotStatus;
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2011-08-31 14:38:01 +04:00
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typedef struct QEMU_PACKED CCID_Parameter {
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2010-10-17 13:40:07 +04:00
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CCID_BULK_IN b;
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uint8_t bProtocolNum;
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uint8_t abProtocolDataStructure[0];
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} CCID_Parameter;
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2011-08-31 14:38:01 +04:00
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typedef struct QEMU_PACKED CCID_DataBlock {
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2010-10-17 13:40:07 +04:00
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CCID_BULK_IN b;
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uint8_t bChainParameter;
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uint8_t abData[0];
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} CCID_DataBlock;
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/* 6.1.4 PC_to_RDR_XfrBlock */
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2011-08-31 14:38:01 +04:00
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typedef struct QEMU_PACKED CCID_XferBlock {
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2010-10-17 13:40:07 +04:00
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CCID_Header hdr;
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uint8_t bBWI; /* Block Waiting Timeout */
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uint16_t wLevelParameter; /* XXX currently unused */
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uint8_t abData[0];
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} CCID_XferBlock;
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2011-08-31 14:38:01 +04:00
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typedef struct QEMU_PACKED CCID_IccPowerOn {
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2010-10-17 13:40:07 +04:00
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CCID_Header hdr;
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uint8_t bPowerSelect;
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uint16_t abRFU;
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} CCID_IccPowerOn;
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2011-08-31 14:38:01 +04:00
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typedef struct QEMU_PACKED CCID_IccPowerOff {
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2010-10-17 13:40:07 +04:00
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CCID_Header hdr;
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uint16_t abRFU;
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} CCID_IccPowerOff;
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2011-08-31 14:38:01 +04:00
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typedef struct QEMU_PACKED CCID_SetParameters {
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2010-10-17 13:40:07 +04:00
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CCID_Header hdr;
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uint8_t bProtocolNum;
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uint16_t abRFU;
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uint8_t abProtocolDataStructure[0];
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} CCID_SetParameters;
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typedef struct CCID_Notify_Slot_Change {
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uint8_t bMessageType; /* CCID_MESSAGE_TYPE_RDR_to_PC_NotifySlotChange */
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uint8_t bmSlotICCState;
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} CCID_Notify_Slot_Change;
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/* used for DataBlock response to XferBlock */
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typedef struct Answer {
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uint8_t slot;
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uint8_t seq;
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} Answer;
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/* pending BULK_IN messages */
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typedef struct BulkIn {
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uint8_t data[BULK_IN_BUF_SIZE];
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uint32_t len;
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uint32_t pos;
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} BulkIn;
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enum {
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MIGRATION_NONE,
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MIGRATION_MIGRATED,
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};
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2011-05-24 20:09:10 +04:00
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typedef struct CCIDBus {
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BusState qbus;
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} CCIDBus;
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2010-10-17 13:40:07 +04:00
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#define MAX_PROTOCOL_SIZE 7
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/*
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* powered - defaults to true, changed by PowerOn/PowerOff messages
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*/
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2011-05-24 20:09:10 +04:00
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typedef struct USBCCIDState {
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2010-10-17 13:40:07 +04:00
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USBDevice dev;
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2012-01-17 16:25:46 +04:00
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USBEndpoint *intr;
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2011-05-24 20:09:10 +04:00
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CCIDBus bus;
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2010-10-17 13:40:07 +04:00
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CCIDCardState *card;
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BulkIn bulk_in_pending[BULK_IN_PENDING_NUM]; /* circular */
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uint32_t bulk_in_pending_start;
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uint32_t bulk_in_pending_end; /* first free */
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uint32_t bulk_in_pending_num;
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BulkIn *current_bulk_in;
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uint8_t bulk_out_data[BULK_OUT_DATA_SIZE];
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uint32_t bulk_out_pos;
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uint64_t last_answer_error;
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Answer pending_answers[PENDING_ANSWERS_NUM];
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uint32_t pending_answers_start;
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uint32_t pending_answers_end;
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uint32_t pending_answers_num;
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uint8_t bError;
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uint8_t bmCommandStatus;
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uint8_t bProtocolNum;
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uint8_t abProtocolDataStructure[MAX_PROTOCOL_SIZE];
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uint32_t ulProtocolDataStructureSize;
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uint32_t state_vmstate;
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uint32_t migration_target_ip;
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uint16_t migration_target_port;
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uint8_t migration_state;
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uint8_t bmSlotICCState;
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uint8_t powered;
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uint8_t notify_slot_change;
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uint8_t debug;
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2011-05-24 20:09:10 +04:00
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} USBCCIDState;
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2010-10-17 13:40:07 +04:00
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/*
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* CCID Spec chapter 4: CCID uses a standard device descriptor per Chapter 9,
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* "USB Device Framework", section 9.6.1, in the Universal Serial Bus
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* Specification.
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*
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* This device implemented based on the spec and with an Athena Smart Card
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* Reader as reference:
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* 0dc3:1004 Athena Smartcard Solutions, Inc.
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*/
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2011-08-30 13:49:05 +04:00
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static const uint8_t qemu_ccid_descriptor[] = {
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2010-10-17 13:40:07 +04:00
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/* Smart Card Device Class Descriptor */
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0x36, /* u8 bLength; */
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0x21, /* u8 bDescriptorType; Functional */
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0x10, 0x01, /* u16 bcdCCID; CCID Specification Release Number. */
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0x00, /*
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* u8 bMaxSlotIndex; The index of the highest available
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* slot on this device. All slots are consecutive starting
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* at 00h.
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*/
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0x07, /* u8 bVoltageSupport; 01h - 5.0v, 02h - 3.0, 03 - 1.8 */
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0x03, 0x00, /* u32 dwProtocols; RRRR PPPP. RRRR = 0000h.*/
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0x00, 0x00, /* PPPP: 0001h = Protocol T=0, 0002h = Protocol T=1 */
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/* u32 dwDefaultClock; in kHZ (0x0fa0 is 4 MHz) */
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0xa0, 0x0f, 0x00, 0x00,
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|
|
|
/* u32 dwMaximumClock; */
|
|
|
|
0x00, 0x00, 0x01, 0x00,
|
|
|
|
0x00, /* u8 bNumClockSupported; *
|
|
|
|
* 0 means just the default and max. */
|
|
|
|
/* u32 dwDataRate ;bps. 9600 == 00002580h */
|
|
|
|
0x80, 0x25, 0x00, 0x00,
|
|
|
|
/* u32 dwMaxDataRate ; 11520 bps == 0001C200h */
|
|
|
|
0x00, 0xC2, 0x01, 0x00,
|
|
|
|
0x00, /* u8 bNumDataRatesSupported; 00 means all rates between
|
|
|
|
* default and max */
|
|
|
|
/* u32 dwMaxIFSD; *
|
|
|
|
* maximum IFSD supported by CCID for protocol *
|
|
|
|
* T=1 (Maximum seen from various cards) */
|
|
|
|
0xfe, 0x00, 0x00, 0x00,
|
|
|
|
/* u32 dwSyncProtocols; 1 - 2-wire, 2 - 3-wire, 4 - I2C */
|
|
|
|
0x00, 0x00, 0x00, 0x00,
|
|
|
|
/* u32 dwMechanical; 0 - no special characteristics. */
|
|
|
|
0x00, 0x00, 0x00, 0x00,
|
|
|
|
/*
|
|
|
|
* u32 dwFeatures;
|
|
|
|
* 0 - No special characteristics
|
|
|
|
* + 2 Automatic parameter configuration based on ATR data
|
|
|
|
* + 4 Automatic activation of ICC on inserting
|
|
|
|
* + 8 Automatic ICC voltage selection
|
|
|
|
* + 10 Automatic ICC clock frequency change
|
|
|
|
* + 20 Automatic baud rate change
|
|
|
|
* + 40 Automatic parameters negotiation made by the CCID
|
|
|
|
* + 80 automatic PPS made by the CCID
|
|
|
|
* 100 CCID can set ICC in clock stop mode
|
|
|
|
* 200 NAD value other then 00 accepted (T=1 protocol)
|
|
|
|
* + 400 Automatic IFSD exchange as first exchange (T=1)
|
|
|
|
* One of the following only:
|
|
|
|
* + 10000 TPDU level exchanges with CCID
|
|
|
|
* 20000 Short APDU level exchange with CCID
|
|
|
|
* 40000 Short and Extended APDU level exchange with CCID
|
|
|
|
*
|
|
|
|
* + 100000 USB Wake up signaling supported on card
|
|
|
|
* insertion and removal. Must set bit 5 in bmAttributes
|
|
|
|
* in Configuration descriptor if 100000 is set.
|
|
|
|
*/
|
|
|
|
0xfe, 0x04, 0x11, 0x00,
|
|
|
|
/*
|
|
|
|
* u32 dwMaxCCIDMessageLength; For extended APDU in
|
|
|
|
* [261 + 10 , 65544 + 10]. Otherwise the minimum is
|
|
|
|
* wMaxPacketSize of the Bulk-OUT endpoint
|
|
|
|
*/
|
|
|
|
0x12, 0x00, 0x01, 0x00,
|
|
|
|
0xFF, /*
|
|
|
|
* u8 bClassGetResponse; Significant only for CCID that
|
|
|
|
* offers an APDU level for exchanges. Indicates the
|
|
|
|
* default class value used by the CCID when it sends a
|
|
|
|
* Get Response command to perform the transportation of
|
|
|
|
* an APDU by T=0 protocol
|
|
|
|
* FFh indicates that the CCID echos the class of the APDU.
|
|
|
|
*/
|
|
|
|
0xFF, /*
|
|
|
|
* u8 bClassEnvelope; EAPDU only. Envelope command for
|
|
|
|
* T=0
|
|
|
|
*/
|
|
|
|
0x00, 0x00, /*
|
|
|
|
* u16 wLcdLayout; XXYY Number of lines (XX) and chars per
|
|
|
|
* line for LCD display used for PIN entry. 0000 - no LCD
|
|
|
|
*/
|
|
|
|
0x01, /*
|
|
|
|
* u8 bPINSupport; 01h PIN Verification,
|
|
|
|
* 02h PIN Modification
|
|
|
|
*/
|
|
|
|
0x01, /* u8 bMaxCCIDBusySlots; */
|
2011-08-30 13:49:05 +04:00
|
|
|
};
|
2010-10-17 13:40:07 +04:00
|
|
|
|
2011-08-30 13:49:05 +04:00
|
|
|
enum {
|
|
|
|
STR_MANUFACTURER = 1,
|
|
|
|
STR_PRODUCT,
|
|
|
|
STR_SERIALNUMBER,
|
|
|
|
STR_INTERFACE,
|
|
|
|
};
|
2010-10-17 13:40:07 +04:00
|
|
|
|
2011-08-30 13:49:05 +04:00
|
|
|
static const USBDescStrings desc_strings = {
|
|
|
|
[STR_MANUFACTURER] = "QEMU " QEMU_VERSION,
|
|
|
|
[STR_PRODUCT] = "QEMU USB CCID",
|
|
|
|
[STR_SERIALNUMBER] = "1",
|
|
|
|
[STR_INTERFACE] = "CCID Interface",
|
|
|
|
};
|
|
|
|
|
|
|
|
static const USBDescIface desc_iface0 = {
|
|
|
|
.bInterfaceNumber = 0,
|
|
|
|
.bNumEndpoints = 3,
|
|
|
|
.bInterfaceClass = 0x0b,
|
|
|
|
.bInterfaceSubClass = 0x00,
|
|
|
|
.bInterfaceProtocol = 0x00,
|
|
|
|
.iInterface = STR_INTERFACE,
|
|
|
|
.ndesc = 1,
|
|
|
|
.descs = (USBDescOther[]) {
|
|
|
|
{
|
|
|
|
/* smartcard descriptor */
|
|
|
|
.data = qemu_ccid_descriptor,
|
|
|
|
},
|
|
|
|
},
|
|
|
|
.eps = (USBDescEndpoint[]) {
|
|
|
|
{
|
|
|
|
.bEndpointAddress = USB_DIR_IN | CCID_INT_IN_EP,
|
|
|
|
.bmAttributes = USB_ENDPOINT_XFER_INT,
|
|
|
|
.bInterval = 255,
|
|
|
|
.wMaxPacketSize = 64,
|
|
|
|
},{
|
|
|
|
.bEndpointAddress = USB_DIR_IN | CCID_BULK_IN_EP,
|
|
|
|
.bmAttributes = USB_ENDPOINT_XFER_BULK,
|
|
|
|
.wMaxPacketSize = 64,
|
|
|
|
},{
|
|
|
|
.bEndpointAddress = USB_DIR_OUT | CCID_BULK_OUT_EP,
|
|
|
|
.bmAttributes = USB_ENDPOINT_XFER_BULK,
|
|
|
|
.wMaxPacketSize = 64,
|
|
|
|
},
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
static const USBDescDevice desc_device = {
|
|
|
|
.bcdUSB = 0x0110,
|
|
|
|
.bMaxPacketSize0 = 64,
|
|
|
|
.bNumConfigurations = 1,
|
|
|
|
.confs = (USBDescConfig[]) {
|
|
|
|
{
|
|
|
|
.bNumInterfaces = 1,
|
|
|
|
.bConfigurationValue = 1,
|
2012-02-26 20:09:23 +04:00
|
|
|
.bmAttributes = 0xe0,
|
2011-08-30 13:49:05 +04:00
|
|
|
.bMaxPower = 50,
|
|
|
|
.nif = 1,
|
|
|
|
.ifs = &desc_iface0,
|
|
|
|
},
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
static const USBDesc desc_ccid = {
|
|
|
|
.id = {
|
|
|
|
.idVendor = CCID_VENDOR_ID,
|
|
|
|
.idProduct = CCID_PRODUCT_ID,
|
|
|
|
.bcdDevice = CCID_DEVICE_VERSION,
|
|
|
|
.iManufacturer = STR_MANUFACTURER,
|
|
|
|
.iProduct = STR_PRODUCT,
|
|
|
|
.iSerialNumber = STR_SERIALNUMBER,
|
|
|
|
},
|
|
|
|
.full = &desc_device,
|
|
|
|
.str = desc_strings,
|
2010-10-17 13:40:07 +04:00
|
|
|
};
|
|
|
|
|
2011-12-04 22:34:10 +04:00
|
|
|
static const uint8_t *ccid_card_get_atr(CCIDCardState *card, uint32_t *len)
|
|
|
|
{
|
|
|
|
CCIDCardClass *cc = CCID_CARD_GET_CLASS(card);
|
|
|
|
if (cc->get_atr) {
|
|
|
|
return cc->get_atr(card, len);
|
|
|
|
}
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ccid_card_apdu_from_guest(CCIDCardState *card,
|
|
|
|
const uint8_t *apdu,
|
|
|
|
uint32_t len)
|
|
|
|
{
|
|
|
|
CCIDCardClass *cc = CCID_CARD_GET_CLASS(card);
|
|
|
|
if (cc->apdu_from_guest) {
|
|
|
|
cc->apdu_from_guest(card, apdu, len);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static int ccid_card_exitfn(CCIDCardState *card)
|
|
|
|
{
|
|
|
|
CCIDCardClass *cc = CCID_CARD_GET_CLASS(card);
|
|
|
|
if (cc->exitfn) {
|
|
|
|
return cc->exitfn(card);
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int ccid_card_initfn(CCIDCardState *card)
|
|
|
|
{
|
|
|
|
CCIDCardClass *cc = CCID_CARD_GET_CLASS(card);
|
|
|
|
if (cc->initfn) {
|
|
|
|
return cc->initfn(card);
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-10-17 13:40:07 +04:00
|
|
|
static bool ccid_has_pending_answers(USBCCIDState *s)
|
|
|
|
{
|
|
|
|
return s->pending_answers_num > 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ccid_clear_pending_answers(USBCCIDState *s)
|
|
|
|
{
|
|
|
|
s->pending_answers_num = 0;
|
|
|
|
s->pending_answers_start = 0;
|
|
|
|
s->pending_answers_end = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ccid_print_pending_answers(USBCCIDState *s)
|
|
|
|
{
|
|
|
|
Answer *answer;
|
|
|
|
int i, count;
|
|
|
|
|
|
|
|
DPRINTF(s, D_VERBOSE, "usb-ccid: pending answers:");
|
|
|
|
if (!ccid_has_pending_answers(s)) {
|
|
|
|
DPRINTF(s, D_VERBOSE, " empty\n");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
for (i = s->pending_answers_start, count = s->pending_answers_num ;
|
|
|
|
count > 0; count--, i++) {
|
|
|
|
answer = &s->pending_answers[i % PENDING_ANSWERS_NUM];
|
|
|
|
if (count == 1) {
|
|
|
|
DPRINTF(s, D_VERBOSE, "%d:%d\n", answer->slot, answer->seq);
|
|
|
|
} else {
|
|
|
|
DPRINTF(s, D_VERBOSE, "%d:%d,", answer->slot, answer->seq);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ccid_add_pending_answer(USBCCIDState *s, CCID_Header *hdr)
|
|
|
|
{
|
|
|
|
Answer *answer;
|
|
|
|
|
|
|
|
assert(s->pending_answers_num < PENDING_ANSWERS_NUM);
|
|
|
|
s->pending_answers_num++;
|
|
|
|
answer =
|
|
|
|
&s->pending_answers[(s->pending_answers_end++) % PENDING_ANSWERS_NUM];
|
|
|
|
answer->slot = hdr->bSlot;
|
|
|
|
answer->seq = hdr->bSeq;
|
|
|
|
ccid_print_pending_answers(s);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ccid_remove_pending_answer(USBCCIDState *s,
|
|
|
|
uint8_t *slot, uint8_t *seq)
|
|
|
|
{
|
|
|
|
Answer *answer;
|
|
|
|
|
|
|
|
assert(s->pending_answers_num > 0);
|
|
|
|
s->pending_answers_num--;
|
|
|
|
answer =
|
|
|
|
&s->pending_answers[(s->pending_answers_start++) % PENDING_ANSWERS_NUM];
|
|
|
|
*slot = answer->slot;
|
|
|
|
*seq = answer->seq;
|
|
|
|
ccid_print_pending_answers(s);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ccid_bulk_in_clear(USBCCIDState *s)
|
|
|
|
{
|
|
|
|
s->bulk_in_pending_start = 0;
|
|
|
|
s->bulk_in_pending_end = 0;
|
|
|
|
s->bulk_in_pending_num = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ccid_bulk_in_release(USBCCIDState *s)
|
|
|
|
{
|
|
|
|
assert(s->current_bulk_in != NULL);
|
|
|
|
s->current_bulk_in->pos = 0;
|
|
|
|
s->current_bulk_in = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ccid_bulk_in_get(USBCCIDState *s)
|
|
|
|
{
|
|
|
|
if (s->current_bulk_in != NULL || s->bulk_in_pending_num == 0) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
assert(s->bulk_in_pending_num > 0);
|
|
|
|
s->bulk_in_pending_num--;
|
|
|
|
s->current_bulk_in =
|
|
|
|
&s->bulk_in_pending[(s->bulk_in_pending_start++) % BULK_IN_PENDING_NUM];
|
|
|
|
}
|
|
|
|
|
|
|
|
static void *ccid_reserve_recv_buf(USBCCIDState *s, uint16_t len)
|
|
|
|
{
|
|
|
|
BulkIn *bulk_in;
|
|
|
|
|
|
|
|
DPRINTF(s, D_VERBOSE, "%s: QUEUE: reserve %d bytes\n", __func__, len);
|
|
|
|
|
|
|
|
/* look for an existing element */
|
|
|
|
if (len > BULK_IN_BUF_SIZE) {
|
|
|
|
DPRINTF(s, D_WARN, "usb-ccid.c: %s: len larger then max (%d>%d). "
|
|
|
|
"discarding message.\n",
|
|
|
|
__func__, len, BULK_IN_BUF_SIZE);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
if (s->bulk_in_pending_num >= BULK_IN_PENDING_NUM) {
|
|
|
|
DPRINTF(s, D_WARN, "usb-ccid.c: %s: No free bulk_in buffers. "
|
|
|
|
"discarding message.\n", __func__);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
bulk_in =
|
|
|
|
&s->bulk_in_pending[(s->bulk_in_pending_end++) % BULK_IN_PENDING_NUM];
|
|
|
|
s->bulk_in_pending_num++;
|
|
|
|
bulk_in->len = len;
|
|
|
|
return bulk_in->data;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ccid_reset(USBCCIDState *s)
|
|
|
|
{
|
|
|
|
ccid_bulk_in_clear(s);
|
|
|
|
ccid_clear_pending_answers(s);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ccid_detach(USBCCIDState *s)
|
|
|
|
{
|
|
|
|
ccid_reset(s);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ccid_handle_reset(USBDevice *dev)
|
|
|
|
{
|
|
|
|
USBCCIDState *s = DO_UPCAST(USBCCIDState, dev, dev);
|
|
|
|
|
|
|
|
DPRINTF(s, 1, "Reset\n");
|
|
|
|
|
|
|
|
ccid_reset(s);
|
|
|
|
}
|
|
|
|
|
2011-02-02 18:33:13 +03:00
|
|
|
static int ccid_handle_control(USBDevice *dev, USBPacket *p, int request,
|
|
|
|
int value, int index, int length, uint8_t *data)
|
2010-10-17 13:40:07 +04:00
|
|
|
{
|
|
|
|
USBCCIDState *s = DO_UPCAST(USBCCIDState, dev, dev);
|
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
DPRINTF(s, 1, "got control %x, value %x\n", request, value);
|
2011-08-30 13:49:05 +04:00
|
|
|
ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
|
|
|
|
if (ret >= 0) {
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2010-10-17 13:40:07 +04:00
|
|
|
switch (request) {
|
|
|
|
/* Class specific requests. */
|
|
|
|
case InterfaceOutClass | CCID_CONTROL_ABORT:
|
|
|
|
DPRINTF(s, 1, "ccid_control abort UNIMPLEMENTED\n");
|
|
|
|
ret = USB_RET_STALL;
|
|
|
|
break;
|
|
|
|
case InterfaceInClass | CCID_CONTROL_GET_CLOCK_FREQUENCIES:
|
|
|
|
DPRINTF(s, 1, "ccid_control get clock frequencies UNIMPLEMENTED\n");
|
|
|
|
ret = USB_RET_STALL;
|
|
|
|
break;
|
|
|
|
case InterfaceInClass | CCID_CONTROL_GET_DATA_RATES:
|
|
|
|
DPRINTF(s, 1, "ccid_control get data rates UNIMPLEMENTED\n");
|
|
|
|
ret = USB_RET_STALL;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
DPRINTF(s, 1, "got unsupported/bogus control %x, value %x\n",
|
|
|
|
request, value);
|
|
|
|
ret = USB_RET_STALL;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static bool ccid_card_inserted(USBCCIDState *s)
|
|
|
|
{
|
|
|
|
return s->bmSlotICCState & SLOT_0_STATE_MASK;
|
|
|
|
}
|
|
|
|
|
|
|
|
static uint8_t ccid_card_status(USBCCIDState *s)
|
|
|
|
{
|
|
|
|
return ccid_card_inserted(s)
|
|
|
|
? (s->powered ?
|
|
|
|
ICC_STATUS_PRESENT_ACTIVE
|
|
|
|
: ICC_STATUS_PRESENT_INACTIVE
|
|
|
|
)
|
|
|
|
: ICC_STATUS_NOT_PRESENT;
|
|
|
|
}
|
|
|
|
|
|
|
|
static uint8_t ccid_calc_status(USBCCIDState *s)
|
|
|
|
{
|
|
|
|
/*
|
|
|
|
* page 55, 6.2.6, calculation of bStatus from bmICCStatus and
|
|
|
|
* bmCommandStatus
|
|
|
|
*/
|
|
|
|
uint8_t ret = ccid_card_status(s) | (s->bmCommandStatus << 6);
|
|
|
|
DPRINTF(s, D_VERBOSE, "status = %d\n", ret);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ccid_reset_error_status(USBCCIDState *s)
|
|
|
|
{
|
|
|
|
s->bError = ERROR_CMD_NOT_SUPPORTED;
|
|
|
|
s->bmCommandStatus = COMMAND_STATUS_NO_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ccid_write_slot_status(USBCCIDState *s, CCID_Header *recv)
|
|
|
|
{
|
|
|
|
CCID_SlotStatus *h = ccid_reserve_recv_buf(s, sizeof(CCID_SlotStatus));
|
|
|
|
if (h == NULL) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
h->b.hdr.bMessageType = CCID_MESSAGE_TYPE_RDR_to_PC_SlotStatus;
|
|
|
|
h->b.hdr.dwLength = 0;
|
|
|
|
h->b.hdr.bSlot = recv->bSlot;
|
|
|
|
h->b.hdr.bSeq = recv->bSeq;
|
|
|
|
h->b.bStatus = ccid_calc_status(s);
|
|
|
|
h->b.bError = s->bError;
|
|
|
|
h->bClockStatus = CLOCK_STATUS_RUNNING;
|
|
|
|
ccid_reset_error_status(s);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ccid_write_parameters(USBCCIDState *s, CCID_Header *recv)
|
|
|
|
{
|
|
|
|
CCID_Parameter *h;
|
|
|
|
uint32_t len = s->ulProtocolDataStructureSize;
|
|
|
|
|
|
|
|
h = ccid_reserve_recv_buf(s, sizeof(CCID_Parameter) + len);
|
|
|
|
if (h == NULL) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
h->b.hdr.bMessageType = CCID_MESSAGE_TYPE_RDR_to_PC_Parameters;
|
|
|
|
h->b.hdr.dwLength = 0;
|
|
|
|
h->b.hdr.bSlot = recv->bSlot;
|
|
|
|
h->b.hdr.bSeq = recv->bSeq;
|
|
|
|
h->b.bStatus = ccid_calc_status(s);
|
|
|
|
h->b.bError = s->bError;
|
|
|
|
h->bProtocolNum = s->bProtocolNum;
|
|
|
|
memcpy(h->abProtocolDataStructure, s->abProtocolDataStructure, len);
|
|
|
|
ccid_reset_error_status(s);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ccid_write_data_block(USBCCIDState *s, uint8_t slot, uint8_t seq,
|
|
|
|
const uint8_t *data, uint32_t len)
|
|
|
|
{
|
|
|
|
CCID_DataBlock *p = ccid_reserve_recv_buf(s, sizeof(*p) + len);
|
|
|
|
|
|
|
|
if (p == NULL) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
p->b.hdr.bMessageType = CCID_MESSAGE_TYPE_RDR_to_PC_DataBlock;
|
|
|
|
p->b.hdr.dwLength = cpu_to_le32(len);
|
|
|
|
p->b.hdr.bSlot = slot;
|
|
|
|
p->b.hdr.bSeq = seq;
|
|
|
|
p->b.bStatus = ccid_calc_status(s);
|
|
|
|
p->b.bError = s->bError;
|
|
|
|
if (p->b.bError) {
|
|
|
|
DPRINTF(s, D_VERBOSE, "error %d", p->b.bError);
|
|
|
|
}
|
|
|
|
memcpy(p->abData, data, len);
|
|
|
|
ccid_reset_error_status(s);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ccid_write_data_block_answer(USBCCIDState *s,
|
|
|
|
const uint8_t *data, uint32_t len)
|
|
|
|
{
|
|
|
|
uint8_t seq;
|
|
|
|
uint8_t slot;
|
|
|
|
|
|
|
|
if (!ccid_has_pending_answers(s)) {
|
|
|
|
abort();
|
|
|
|
}
|
|
|
|
ccid_remove_pending_answer(s, &slot, &seq);
|
|
|
|
ccid_write_data_block(s, slot, seq, data, len);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ccid_write_data_block_atr(USBCCIDState *s, CCID_Header *recv)
|
|
|
|
{
|
|
|
|
const uint8_t *atr = NULL;
|
|
|
|
uint32_t len = 0;
|
|
|
|
|
|
|
|
if (s->card) {
|
2011-12-04 22:34:10 +04:00
|
|
|
atr = ccid_card_get_atr(s->card, &len);
|
2010-10-17 13:40:07 +04:00
|
|
|
}
|
|
|
|
ccid_write_data_block(s, recv->bSlot, recv->bSeq, atr, len);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ccid_set_parameters(USBCCIDState *s, CCID_Header *recv)
|
|
|
|
{
|
|
|
|
CCID_SetParameters *ph = (CCID_SetParameters *) recv;
|
|
|
|
uint32_t len = 0;
|
|
|
|
if ((ph->bProtocolNum & 3) == 0) {
|
|
|
|
len = 5;
|
|
|
|
}
|
|
|
|
if ((ph->bProtocolNum & 3) == 1) {
|
|
|
|
len = 7;
|
|
|
|
}
|
|
|
|
if (len == 0) {
|
|
|
|
s->bmCommandStatus = COMMAND_STATUS_FAILED;
|
|
|
|
s->bError = 7; /* Protocol invalid or not supported */
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
s->bProtocolNum = ph->bProtocolNum;
|
|
|
|
memcpy(s->abProtocolDataStructure, ph->abProtocolDataStructure, len);
|
|
|
|
s->ulProtocolDataStructureSize = len;
|
|
|
|
DPRINTF(s, 1, "%s: using len %d\n", __func__, len);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* must be 5 bytes for T=0, 7 bytes for T=1
|
|
|
|
* See page 52
|
|
|
|
*/
|
|
|
|
static const uint8_t abDefaultProtocolDataStructure[7] = {
|
|
|
|
0x77, 0x00, 0x00, 0x00, 0x00, 0xfe /*IFSC*/, 0x00 /*NAD*/ };
|
|
|
|
|
|
|
|
static void ccid_reset_parameters(USBCCIDState *s)
|
|
|
|
{
|
|
|
|
uint32_t len = sizeof(abDefaultProtocolDataStructure);
|
|
|
|
|
|
|
|
s->bProtocolNum = 1; /* T=1 */
|
|
|
|
s->ulProtocolDataStructureSize = len;
|
|
|
|
memcpy(s->abProtocolDataStructure, abDefaultProtocolDataStructure, len);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ccid_report_error_failed(USBCCIDState *s, uint8_t error)
|
|
|
|
{
|
|
|
|
s->bmCommandStatus = COMMAND_STATUS_FAILED;
|
|
|
|
s->bError = error;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* NOTE: only a single slot is supported (SLOT_0) */
|
|
|
|
static void ccid_on_slot_change(USBCCIDState *s, bool full)
|
|
|
|
{
|
|
|
|
/* RDR_to_PC_NotifySlotChange, 6.3.1 page 56 */
|
|
|
|
uint8_t current = s->bmSlotICCState;
|
|
|
|
if (full) {
|
|
|
|
s->bmSlotICCState |= SLOT_0_STATE_MASK;
|
|
|
|
} else {
|
|
|
|
s->bmSlotICCState &= ~SLOT_0_STATE_MASK;
|
|
|
|
}
|
|
|
|
if (current != s->bmSlotICCState) {
|
|
|
|
s->bmSlotICCState |= SLOT_0_CHANGED_MASK;
|
|
|
|
}
|
|
|
|
s->notify_slot_change = true;
|
2012-01-17 16:25:46 +04:00
|
|
|
usb_wakeup(s->intr);
|
2010-10-17 13:40:07 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
static void ccid_write_data_block_error(
|
|
|
|
USBCCIDState *s, uint8_t slot, uint8_t seq)
|
|
|
|
{
|
|
|
|
ccid_write_data_block(s, slot, seq, NULL, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ccid_on_apdu_from_guest(USBCCIDState *s, CCID_XferBlock *recv)
|
|
|
|
{
|
|
|
|
uint32_t len;
|
|
|
|
|
|
|
|
if (ccid_card_status(s) != ICC_STATUS_PRESENT_ACTIVE) {
|
|
|
|
DPRINTF(s, 1,
|
|
|
|
"usb-ccid: not sending apdu to client, no card connected\n");
|
|
|
|
ccid_write_data_block_error(s, recv->hdr.bSlot, recv->hdr.bSeq);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
len = le32_to_cpu(recv->hdr.dwLength);
|
|
|
|
DPRINTF(s, 1, "%s: seq %d, len %d\n", __func__,
|
|
|
|
recv->hdr.bSeq, len);
|
|
|
|
ccid_add_pending_answer(s, (CCID_Header *)recv);
|
|
|
|
if (s->card) {
|
2011-12-04 22:34:10 +04:00
|
|
|
ccid_card_apdu_from_guest(s->card, recv->abData, len);
|
2010-10-17 13:40:07 +04:00
|
|
|
} else {
|
|
|
|
DPRINTF(s, D_WARN, "warning: discarded apdu\n");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Handle a single USB_TOKEN_OUT, return value returned to guest.
|
|
|
|
* Return value:
|
|
|
|
* 0 - all ok
|
|
|
|
* USB_RET_STALL - failed to handle packet
|
|
|
|
*/
|
|
|
|
static int ccid_handle_bulk_out(USBCCIDState *s, USBPacket *p)
|
|
|
|
{
|
|
|
|
CCID_Header *ccid_header;
|
|
|
|
|
2011-07-12 17:22:25 +04:00
|
|
|
if (p->iov.size + s->bulk_out_pos > BULK_OUT_DATA_SIZE) {
|
2010-10-17 13:40:07 +04:00
|
|
|
return USB_RET_STALL;
|
|
|
|
}
|
|
|
|
ccid_header = (CCID_Header *)s->bulk_out_data;
|
2011-07-12 17:22:25 +04:00
|
|
|
usb_packet_copy(p, s->bulk_out_data + s->bulk_out_pos, p->iov.size);
|
|
|
|
s->bulk_out_pos += p->iov.size;
|
|
|
|
if (p->iov.size == CCID_MAX_PACKET_SIZE) {
|
2010-10-17 13:40:07 +04:00
|
|
|
DPRINTF(s, D_VERBOSE,
|
2011-07-12 17:22:25 +04:00
|
|
|
"usb-ccid: bulk_in: expecting more packets (%zd/%d)\n",
|
|
|
|
p->iov.size, ccid_header->dwLength);
|
2010-10-17 13:40:07 +04:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
if (s->bulk_out_pos < 10) {
|
|
|
|
DPRINTF(s, 1,
|
|
|
|
"%s: bad USB_TOKEN_OUT length, should be at least 10 bytes\n",
|
|
|
|
__func__);
|
|
|
|
} else {
|
|
|
|
DPRINTF(s, D_MORE_INFO, "%s %x\n", __func__, ccid_header->bMessageType);
|
|
|
|
switch (ccid_header->bMessageType) {
|
|
|
|
case CCID_MESSAGE_TYPE_PC_to_RDR_GetSlotStatus:
|
|
|
|
ccid_write_slot_status(s, ccid_header);
|
|
|
|
break;
|
|
|
|
case CCID_MESSAGE_TYPE_PC_to_RDR_IccPowerOn:
|
|
|
|
DPRINTF(s, 1, "PowerOn: %d\n",
|
|
|
|
((CCID_IccPowerOn *)(ccid_header))->bPowerSelect);
|
|
|
|
s->powered = true;
|
|
|
|
if (!ccid_card_inserted(s)) {
|
|
|
|
ccid_report_error_failed(s, ERROR_ICC_MUTE);
|
|
|
|
}
|
|
|
|
/* atr is written regardless of error. */
|
|
|
|
ccid_write_data_block_atr(s, ccid_header);
|
|
|
|
break;
|
|
|
|
case CCID_MESSAGE_TYPE_PC_to_RDR_IccPowerOff:
|
|
|
|
DPRINTF(s, 1, "PowerOff\n");
|
|
|
|
ccid_reset_error_status(s);
|
|
|
|
s->powered = false;
|
|
|
|
ccid_write_slot_status(s, ccid_header);
|
|
|
|
break;
|
|
|
|
case CCID_MESSAGE_TYPE_PC_to_RDR_XfrBlock:
|
|
|
|
ccid_on_apdu_from_guest(s, (CCID_XferBlock *)s->bulk_out_data);
|
|
|
|
break;
|
|
|
|
case CCID_MESSAGE_TYPE_PC_to_RDR_SetParameters:
|
|
|
|
ccid_reset_error_status(s);
|
|
|
|
ccid_set_parameters(s, ccid_header);
|
|
|
|
ccid_write_parameters(s, ccid_header);
|
|
|
|
break;
|
|
|
|
case CCID_MESSAGE_TYPE_PC_to_RDR_ResetParameters:
|
|
|
|
ccid_reset_error_status(s);
|
|
|
|
ccid_reset_parameters(s);
|
|
|
|
ccid_write_parameters(s, ccid_header);
|
|
|
|
break;
|
|
|
|
case CCID_MESSAGE_TYPE_PC_to_RDR_GetParameters:
|
|
|
|
ccid_reset_error_status(s);
|
|
|
|
ccid_write_parameters(s, ccid_header);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
DPRINTF(s, 1,
|
|
|
|
"handle_data: ERROR: unhandled message type %Xh\n",
|
|
|
|
ccid_header->bMessageType);
|
|
|
|
/*
|
|
|
|
* The caller is expecting the device to respond, tell it we
|
|
|
|
* don't support the operation.
|
|
|
|
*/
|
|
|
|
ccid_report_error_failed(s, ERROR_CMD_NOT_SUPPORTED);
|
|
|
|
ccid_write_slot_status(s, ccid_header);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
s->bulk_out_pos = 0;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2011-07-12 17:22:25 +04:00
|
|
|
static int ccid_bulk_in_copy_to_guest(USBCCIDState *s, USBPacket *p)
|
2010-10-17 13:40:07 +04:00
|
|
|
{
|
|
|
|
int ret = 0;
|
|
|
|
|
2011-07-12 17:22:25 +04:00
|
|
|
assert(p->iov.size > 0);
|
2010-10-17 13:40:07 +04:00
|
|
|
ccid_bulk_in_get(s);
|
|
|
|
if (s->current_bulk_in != NULL) {
|
2011-07-12 17:22:25 +04:00
|
|
|
ret = MIN(s->current_bulk_in->len - s->current_bulk_in->pos,
|
|
|
|
p->iov.size);
|
|
|
|
usb_packet_copy(p, s->current_bulk_in->data +
|
|
|
|
s->current_bulk_in->pos, ret);
|
2010-10-17 13:40:07 +04:00
|
|
|
s->current_bulk_in->pos += ret;
|
|
|
|
if (s->current_bulk_in->pos == s->current_bulk_in->len) {
|
|
|
|
ccid_bulk_in_release(s);
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
/* return when device has no data - usb 2.0 spec Table 8-4 */
|
|
|
|
ret = USB_RET_NAK;
|
|
|
|
}
|
|
|
|
if (ret > 0) {
|
|
|
|
DPRINTF(s, D_MORE_INFO,
|
2011-07-12 17:22:25 +04:00
|
|
|
"%s: %zd/%d req/act to guest (BULK_IN)\n",
|
|
|
|
__func__, p->iov.size, ret);
|
2010-10-17 13:40:07 +04:00
|
|
|
}
|
2011-07-12 17:22:25 +04:00
|
|
|
if (ret != USB_RET_NAK && ret < p->iov.size) {
|
2010-10-17 13:40:07 +04:00
|
|
|
DPRINTF(s, 1,
|
2011-07-12 17:22:25 +04:00
|
|
|
"%s: returning short (EREMOTEIO) %d < %zd\n",
|
|
|
|
__func__, ret, p->iov.size);
|
2010-10-17 13:40:07 +04:00
|
|
|
}
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int ccid_handle_data(USBDevice *dev, USBPacket *p)
|
|
|
|
{
|
|
|
|
USBCCIDState *s = DO_UPCAST(USBCCIDState, dev, dev);
|
|
|
|
int ret = 0;
|
2011-07-12 17:22:25 +04:00
|
|
|
uint8_t buf[2];
|
2010-10-17 13:40:07 +04:00
|
|
|
|
|
|
|
switch (p->pid) {
|
|
|
|
case USB_TOKEN_OUT:
|
|
|
|
ret = ccid_handle_bulk_out(s, p);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case USB_TOKEN_IN:
|
2012-01-12 16:23:01 +04:00
|
|
|
switch (p->ep->nr) {
|
2010-10-17 13:40:07 +04:00
|
|
|
case CCID_BULK_IN_EP:
|
2011-07-12 17:22:25 +04:00
|
|
|
if (!p->iov.size) {
|
2010-10-17 13:40:07 +04:00
|
|
|
ret = USB_RET_NAK;
|
|
|
|
} else {
|
2011-07-12 17:22:25 +04:00
|
|
|
ret = ccid_bulk_in_copy_to_guest(s, p);
|
2010-10-17 13:40:07 +04:00
|
|
|
}
|
|
|
|
break;
|
|
|
|
case CCID_INT_IN_EP:
|
|
|
|
if (s->notify_slot_change) {
|
|
|
|
/* page 56, RDR_to_PC_NotifySlotChange */
|
2011-07-12 17:22:25 +04:00
|
|
|
buf[0] = CCID_MESSAGE_TYPE_RDR_to_PC_NotifySlotChange;
|
|
|
|
buf[1] = s->bmSlotICCState;
|
|
|
|
usb_packet_copy(p, buf, 2);
|
2010-10-17 13:40:07 +04:00
|
|
|
ret = 2;
|
|
|
|
s->notify_slot_change = false;
|
|
|
|
s->bmSlotICCState &= ~SLOT_0_CHANGED_MASK;
|
|
|
|
DPRINTF(s, D_INFO,
|
|
|
|
"handle_data: int_in: notify_slot_change %X, "
|
2011-07-12 17:22:25 +04:00
|
|
|
"requested len %zd\n",
|
|
|
|
s->bmSlotICCState, p->iov.size);
|
2010-10-17 13:40:07 +04:00
|
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
DPRINTF(s, 1, "Bad endpoint\n");
|
2011-08-30 13:49:05 +04:00
|
|
|
ret = USB_RET_STALL;
|
2010-10-17 13:40:07 +04:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
DPRINTF(s, 1, "Bad token\n");
|
|
|
|
ret = USB_RET_STALL;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ccid_handle_destroy(USBDevice *dev)
|
|
|
|
{
|
|
|
|
USBCCIDState *s = DO_UPCAST(USBCCIDState, dev, dev);
|
|
|
|
|
|
|
|
ccid_bulk_in_clear(s);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ccid_flush_pending_answers(USBCCIDState *s)
|
|
|
|
{
|
|
|
|
while (ccid_has_pending_answers(s)) {
|
|
|
|
ccid_write_data_block_answer(s, NULL, 0);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static Answer *ccid_peek_next_answer(USBCCIDState *s)
|
|
|
|
{
|
|
|
|
return s->pending_answers_num == 0
|
|
|
|
? NULL
|
|
|
|
: &s->pending_answers[s->pending_answers_start % PENDING_ANSWERS_NUM];
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct BusInfo ccid_bus_info = {
|
|
|
|
.name = "ccid-bus",
|
|
|
|
.size = sizeof(CCIDBus),
|
|
|
|
.props = (Property[]) {
|
|
|
|
DEFINE_PROP_UINT32("slot", struct CCIDCardState, slot, 0),
|
|
|
|
DEFINE_PROP_END_OF_LIST(),
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
void ccid_card_send_apdu_to_guest(CCIDCardState *card,
|
|
|
|
uint8_t *apdu, uint32_t len)
|
|
|
|
{
|
|
|
|
USBCCIDState *s = DO_UPCAST(USBCCIDState, dev.qdev,
|
|
|
|
card->qdev.parent_bus->parent);
|
|
|
|
Answer *answer;
|
|
|
|
|
|
|
|
if (!ccid_has_pending_answers(s)) {
|
|
|
|
DPRINTF(s, 1, "CCID ERROR: got an APDU without pending answers\n");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
s->bmCommandStatus = COMMAND_STATUS_NO_ERROR;
|
|
|
|
answer = ccid_peek_next_answer(s);
|
|
|
|
if (answer == NULL) {
|
|
|
|
abort();
|
|
|
|
}
|
|
|
|
DPRINTF(s, 1, "APDU returned to guest %d (answer seq %d, slot %d)\n",
|
|
|
|
len, answer->seq, answer->slot);
|
|
|
|
ccid_write_data_block_answer(s, apdu, len);
|
|
|
|
}
|
|
|
|
|
|
|
|
void ccid_card_card_removed(CCIDCardState *card)
|
|
|
|
{
|
|
|
|
USBCCIDState *s =
|
|
|
|
DO_UPCAST(USBCCIDState, dev.qdev, card->qdev.parent_bus->parent);
|
|
|
|
|
|
|
|
ccid_on_slot_change(s, false);
|
|
|
|
ccid_flush_pending_answers(s);
|
|
|
|
ccid_reset(s);
|
|
|
|
}
|
|
|
|
|
|
|
|
int ccid_card_ccid_attach(CCIDCardState *card)
|
|
|
|
{
|
|
|
|
USBCCIDState *s =
|
|
|
|
DO_UPCAST(USBCCIDState, dev.qdev, card->qdev.parent_bus->parent);
|
|
|
|
|
|
|
|
DPRINTF(s, 1, "CCID Attach\n");
|
|
|
|
if (s->migration_state == MIGRATION_MIGRATED) {
|
|
|
|
s->migration_state = MIGRATION_NONE;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
void ccid_card_ccid_detach(CCIDCardState *card)
|
|
|
|
{
|
|
|
|
USBCCIDState *s =
|
|
|
|
DO_UPCAST(USBCCIDState, dev.qdev, card->qdev.parent_bus->parent);
|
|
|
|
|
|
|
|
DPRINTF(s, 1, "CCID Detach\n");
|
|
|
|
if (ccid_card_inserted(s)) {
|
|
|
|
ccid_on_slot_change(s, false);
|
|
|
|
}
|
|
|
|
ccid_detach(s);
|
|
|
|
}
|
|
|
|
|
|
|
|
void ccid_card_card_error(CCIDCardState *card, uint64_t error)
|
|
|
|
{
|
|
|
|
USBCCIDState *s =
|
|
|
|
DO_UPCAST(USBCCIDState, dev.qdev, card->qdev.parent_bus->parent);
|
|
|
|
|
|
|
|
s->bmCommandStatus = COMMAND_STATUS_FAILED;
|
|
|
|
s->last_answer_error = error;
|
2011-04-04 08:48:08 +04:00
|
|
|
DPRINTF(s, 1, "VSC_Error: %" PRIX64 "\n", s->last_answer_error);
|
2011-04-05 01:54:04 +04:00
|
|
|
/* TODO: these errors should be more verbose and propagated to the guest.*/
|
2010-10-17 13:40:07 +04:00
|
|
|
/*
|
|
|
|
* We flush all pending answers on CardRemove message in ccid-card-passthru,
|
|
|
|
* so check that first to not trigger abort
|
|
|
|
*/
|
|
|
|
if (ccid_has_pending_answers(s)) {
|
|
|
|
ccid_write_data_block_answer(s, NULL, 0);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void ccid_card_card_inserted(CCIDCardState *card)
|
|
|
|
{
|
|
|
|
USBCCIDState *s =
|
|
|
|
DO_UPCAST(USBCCIDState, dev.qdev, card->qdev.parent_bus->parent);
|
|
|
|
|
|
|
|
s->bmCommandStatus = COMMAND_STATUS_NO_ERROR;
|
|
|
|
ccid_flush_pending_answers(s);
|
|
|
|
ccid_on_slot_change(s, true);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int ccid_card_exit(DeviceState *qdev)
|
|
|
|
{
|
|
|
|
int ret = 0;
|
2011-12-04 22:34:10 +04:00
|
|
|
CCIDCardState *card = CCID_CARD(qdev);
|
2010-10-17 13:40:07 +04:00
|
|
|
USBCCIDState *s =
|
|
|
|
DO_UPCAST(USBCCIDState, dev.qdev, card->qdev.parent_bus->parent);
|
|
|
|
|
|
|
|
if (ccid_card_inserted(s)) {
|
|
|
|
ccid_card_card_removed(card);
|
|
|
|
}
|
2011-12-04 22:34:10 +04:00
|
|
|
ret = ccid_card_exitfn(card);
|
2010-10-17 13:40:07 +04:00
|
|
|
s->card = NULL;
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2011-12-10 01:02:56 +04:00
|
|
|
static int ccid_card_init(DeviceState *qdev)
|
2010-10-17 13:40:07 +04:00
|
|
|
{
|
2011-12-04 22:34:10 +04:00
|
|
|
CCIDCardState *card = CCID_CARD(qdev);
|
2010-10-17 13:40:07 +04:00
|
|
|
USBCCIDState *s =
|
|
|
|
DO_UPCAST(USBCCIDState, dev.qdev, card->qdev.parent_bus->parent);
|
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
if (card->slot != 0) {
|
|
|
|
error_report("Warning: usb-ccid supports one slot, can't add %d",
|
|
|
|
card->slot);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
if (s->card != NULL) {
|
2011-06-22 16:03:54 +04:00
|
|
|
error_report("Warning: usb-ccid card already full, not adding");
|
2010-10-17 13:40:07 +04:00
|
|
|
return -1;
|
|
|
|
}
|
2011-12-04 22:34:10 +04:00
|
|
|
ret = ccid_card_initfn(card);
|
2010-10-17 13:40:07 +04:00
|
|
|
if (ret == 0) {
|
|
|
|
s->card = card;
|
|
|
|
}
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int ccid_initfn(USBDevice *dev)
|
|
|
|
{
|
|
|
|
USBCCIDState *s = DO_UPCAST(USBCCIDState, dev, dev);
|
|
|
|
|
2011-08-30 13:49:05 +04:00
|
|
|
usb_desc_init(dev);
|
2011-05-24 20:09:10 +04:00
|
|
|
qbus_create_inplace(&s->bus.qbus, &ccid_bus_info, &dev->qdev, NULL);
|
2012-01-17 16:25:46 +04:00
|
|
|
s->intr = usb_ep_get(dev, USB_TOKEN_IN, CCID_INT_IN_EP);
|
2011-05-24 20:09:10 +04:00
|
|
|
s->bus.qbus.allow_hotplug = 1;
|
2010-10-17 13:40:07 +04:00
|
|
|
s->card = NULL;
|
|
|
|
s->migration_state = MIGRATION_NONE;
|
|
|
|
s->migration_target_ip = 0;
|
|
|
|
s->migration_target_port = 0;
|
|
|
|
s->dev.speed = USB_SPEED_FULL;
|
2011-05-27 16:27:18 +04:00
|
|
|
s->dev.speedmask = USB_SPEED_MASK_FULL;
|
2010-10-17 13:40:07 +04:00
|
|
|
s->notify_slot_change = false;
|
|
|
|
s->powered = true;
|
|
|
|
s->pending_answers_num = 0;
|
|
|
|
s->last_answer_error = 0;
|
|
|
|
s->bulk_in_pending_start = 0;
|
|
|
|
s->bulk_in_pending_end = 0;
|
|
|
|
s->current_bulk_in = NULL;
|
|
|
|
ccid_reset_error_status(s);
|
|
|
|
s->bulk_out_pos = 0;
|
|
|
|
ccid_reset_parameters(s);
|
|
|
|
ccid_reset(s);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int ccid_post_load(void *opaque, int version_id)
|
|
|
|
{
|
|
|
|
USBCCIDState *s = opaque;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* This must be done after usb_device_attach, which sets state to ATTACHED,
|
|
|
|
* while it must be DEFAULT in order to accept packets (like it is after
|
|
|
|
* reset, but reset will reset our addr and call our reset handler which
|
|
|
|
* may change state, and we don't want to do that when migrating).
|
|
|
|
*/
|
|
|
|
s->dev.state = s->state_vmstate;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ccid_pre_save(void *opaque)
|
|
|
|
{
|
|
|
|
USBCCIDState *s = opaque;
|
|
|
|
|
|
|
|
s->state_vmstate = s->dev.state;
|
|
|
|
if (s->dev.attached) {
|
|
|
|
/*
|
|
|
|
* Migrating an open device, ignore reconnection CHR_EVENT to avoid an
|
2011-04-05 01:54:04 +04:00
|
|
|
* erroneous detach.
|
2010-10-17 13:40:07 +04:00
|
|
|
*/
|
|
|
|
s->migration_state = MIGRATION_MIGRATED;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static VMStateDescription bulk_in_vmstate = {
|
|
|
|
.name = "CCID BulkIn state",
|
|
|
|
.version_id = 1,
|
|
|
|
.minimum_version_id = 1,
|
|
|
|
.fields = (VMStateField[]) {
|
|
|
|
VMSTATE_BUFFER(data, BulkIn),
|
|
|
|
VMSTATE_UINT32(len, BulkIn),
|
|
|
|
VMSTATE_UINT32(pos, BulkIn),
|
|
|
|
VMSTATE_END_OF_LIST()
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
static VMStateDescription answer_vmstate = {
|
|
|
|
.name = "CCID Answer state",
|
|
|
|
.version_id = 1,
|
|
|
|
.minimum_version_id = 1,
|
|
|
|
.fields = (VMStateField[]) {
|
|
|
|
VMSTATE_UINT8(slot, Answer),
|
|
|
|
VMSTATE_UINT8(seq, Answer),
|
|
|
|
VMSTATE_END_OF_LIST()
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
static VMStateDescription usb_device_vmstate = {
|
|
|
|
.name = "usb_device",
|
|
|
|
.version_id = 1,
|
|
|
|
.minimum_version_id = 1,
|
|
|
|
.fields = (VMStateField[]) {
|
|
|
|
VMSTATE_UINT8(addr, USBDevice),
|
|
|
|
VMSTATE_BUFFER(setup_buf, USBDevice),
|
|
|
|
VMSTATE_BUFFER(data_buf, USBDevice),
|
|
|
|
VMSTATE_END_OF_LIST()
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
static VMStateDescription ccid_vmstate = {
|
|
|
|
.name = CCID_DEV_NAME,
|
|
|
|
.version_id = 1,
|
|
|
|
.minimum_version_id = 1,
|
|
|
|
.post_load = ccid_post_load,
|
|
|
|
.pre_save = ccid_pre_save,
|
|
|
|
.fields = (VMStateField[]) {
|
|
|
|
VMSTATE_STRUCT(dev, USBCCIDState, 1, usb_device_vmstate, USBDevice),
|
|
|
|
VMSTATE_UINT8(debug, USBCCIDState),
|
|
|
|
VMSTATE_BUFFER(bulk_out_data, USBCCIDState),
|
|
|
|
VMSTATE_UINT32(bulk_out_pos, USBCCIDState),
|
|
|
|
VMSTATE_UINT8(bmSlotICCState, USBCCIDState),
|
|
|
|
VMSTATE_UINT8(powered, USBCCIDState),
|
|
|
|
VMSTATE_UINT8(notify_slot_change, USBCCIDState),
|
|
|
|
VMSTATE_UINT64(last_answer_error, USBCCIDState),
|
|
|
|
VMSTATE_UINT8(bError, USBCCIDState),
|
|
|
|
VMSTATE_UINT8(bmCommandStatus, USBCCIDState),
|
|
|
|
VMSTATE_UINT8(bProtocolNum, USBCCIDState),
|
|
|
|
VMSTATE_BUFFER(abProtocolDataStructure, USBCCIDState),
|
|
|
|
VMSTATE_UINT32(ulProtocolDataStructureSize, USBCCIDState),
|
|
|
|
VMSTATE_STRUCT_ARRAY(bulk_in_pending, USBCCIDState,
|
|
|
|
BULK_IN_PENDING_NUM, 1, bulk_in_vmstate, BulkIn),
|
|
|
|
VMSTATE_UINT32(bulk_in_pending_start, USBCCIDState),
|
|
|
|
VMSTATE_UINT32(bulk_in_pending_end, USBCCIDState),
|
|
|
|
VMSTATE_STRUCT_ARRAY(pending_answers, USBCCIDState,
|
|
|
|
PENDING_ANSWERS_NUM, 1, answer_vmstate, Answer),
|
|
|
|
VMSTATE_UINT32(pending_answers_num, USBCCIDState),
|
|
|
|
VMSTATE_UINT8(migration_state, USBCCIDState),
|
|
|
|
VMSTATE_UINT32(state_vmstate, USBCCIDState),
|
|
|
|
VMSTATE_END_OF_LIST()
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
2011-12-08 07:34:16 +04:00
|
|
|
static Property ccid_properties[] = {
|
|
|
|
DEFINE_PROP_UINT8("debug", USBCCIDState, debug, 0),
|
|
|
|
DEFINE_PROP_END_OF_LIST(),
|
|
|
|
};
|
|
|
|
|
2011-12-16 00:53:10 +04:00
|
|
|
static void ccid_class_initfn(ObjectClass *klass, void *data)
|
|
|
|
{
|
2011-12-08 07:34:16 +04:00
|
|
|
DeviceClass *dc = DEVICE_CLASS(klass);
|
2011-12-16 00:53:10 +04:00
|
|
|
USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
|
|
|
|
|
|
|
|
uc->init = ccid_initfn;
|
|
|
|
uc->product_desc = "QEMU USB CCID";
|
|
|
|
uc->usb_desc = &desc_ccid;
|
|
|
|
uc->handle_reset = ccid_handle_reset;
|
|
|
|
uc->handle_control = ccid_handle_control;
|
|
|
|
uc->handle_data = ccid_handle_data;
|
|
|
|
uc->handle_destroy = ccid_handle_destroy;
|
2011-12-08 07:34:16 +04:00
|
|
|
dc->desc = "CCID Rev 1.1 smartcard reader";
|
|
|
|
dc->vmsd = &ccid_vmstate;
|
|
|
|
dc->props = ccid_properties;
|
2011-12-16 00:53:10 +04:00
|
|
|
}
|
|
|
|
|
2011-12-08 07:34:16 +04:00
|
|
|
static TypeInfo ccid_info = {
|
|
|
|
.name = CCID_DEV_NAME,
|
|
|
|
.parent = TYPE_USB_DEVICE,
|
|
|
|
.instance_size = sizeof(USBCCIDState),
|
|
|
|
.class_init = ccid_class_initfn,
|
2010-10-17 13:40:07 +04:00
|
|
|
};
|
|
|
|
|
2011-12-08 07:34:16 +04:00
|
|
|
static void ccid_card_class_init(ObjectClass *klass, void *data)
|
|
|
|
{
|
|
|
|
DeviceClass *k = DEVICE_CLASS(klass);
|
|
|
|
k->bus_info = &ccid_bus_info;
|
|
|
|
k->init = ccid_card_init;
|
|
|
|
k->exit = ccid_card_exit;
|
|
|
|
}
|
|
|
|
|
2011-12-04 22:34:10 +04:00
|
|
|
static TypeInfo ccid_card_type_info = {
|
|
|
|
.name = TYPE_CCID_CARD,
|
|
|
|
.parent = TYPE_DEVICE,
|
|
|
|
.instance_size = sizeof(CCIDCardState),
|
|
|
|
.abstract = true,
|
|
|
|
.class_size = sizeof(CCIDCardClass),
|
2011-12-08 07:34:16 +04:00
|
|
|
.class_init = ccid_card_class_init,
|
2011-12-04 22:34:10 +04:00
|
|
|
};
|
|
|
|
|
2012-02-09 18:20:55 +04:00
|
|
|
static void ccid_register_types(void)
|
2010-10-17 13:40:07 +04:00
|
|
|
{
|
2011-12-04 22:34:10 +04:00
|
|
|
type_register_static(&ccid_card_type_info);
|
2011-12-08 07:34:16 +04:00
|
|
|
type_register_static(&ccid_info);
|
2011-12-09 00:56:53 +04:00
|
|
|
usb_legacy_register(CCID_DEV_NAME, "ccid", NULL);
|
2010-10-17 13:40:07 +04:00
|
|
|
}
|
2012-02-09 18:20:55 +04:00
|
|
|
|
|
|
|
type_init(ccid_register_types)
|