From patchwork Tue Oct 5 21:33:00 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alon Levy X-Patchwork-Id: 66872 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [199.232.76.165]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id F3324B70CC for ; Wed, 6 Oct 2010 08:37:46 +1100 (EST) Received: from localhost ([127.0.0.1]:45174 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1P3FCG-0005jg-Ak for incoming@patchwork.ozlabs.org; Tue, 05 Oct 2010 17:37:16 -0400 Received: from [140.186.70.92] (port=41211 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1P3F8M-0003iP-0J for qemu-devel@nongnu.org; Tue, 05 Oct 2010 17:33:17 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1P3F8I-0007Pr-H1 for qemu-devel@nongnu.org; Tue, 05 Oct 2010 17:33:13 -0400 Received: from igld-84-228-156-38.inter.net.il ([84.228.156.38]:52824 helo=localhost6.localdomain6) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1P3F8H-0007PX-84 for qemu-devel@nongnu.org; Tue, 05 Oct 2010 17:33:10 -0400 Received: from localhost6.localdomain6 (localhost.localdomain [127.0.0.1]) by localhost6.localdomain6 (8.14.4/8.14.4) with ESMTP id o95LX7a4023697; Tue, 5 Oct 2010 23:33:07 +0200 Received: (from alon@localhost) by localhost6.localdomain6 (8.14.4/8.14.4/Submit) id o95LX5F7023696; Tue, 5 Oct 2010 23:33:05 +0200 X-Authentication-Warning: localhost6.localdomain6: alon set sender to alevy@redhat.com using -f From: Alon Levy To: qemu-devel@nongnu.org, alevy@redhat.com Date: Tue, 5 Oct 2010 23:33:00 +0200 Message-Id: <1286314380-23653-3-git-send-email-alevy@redhat.com> X-Mailer: git-send-email 1.7.3.1 In-Reply-To: <1286314380-23653-1-git-send-email-alevy@redhat.com> References: <1286314380-23653-1-git-send-email-alevy@redhat.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) Cc: Subject: [Qemu-devel] [PATCH 2/2] usb-ccid: add CCID device (device itself) X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org A CCID device is a smart card reader. It is a USB device, defined at [2]. The usb-ccid device expects a chardev option and uses the VSCARD protocol defined in vscard_common.h. It starts as an unattached device unless auto_attach=1. The utility vscclient, bundled with libcac_card, provides the client side, together they provide simultaneous access to the card reader an the card attached to it, both in the guest and client machines, as opposed t a simple usb host passthrough. You can also use it to provide a virtual card [1] libcac_card http://cgit.freedesktop.org/~alon/cac_card (temporary home) written by Robert Relyea [2] http://www.usb.org/developers/devclass_docs/DWG_Smart-Card_CCID_Rev110. Signed-off-by: Alon Levy --- hw/usb-ccid.c | 1241 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 1241 insertions(+), 0 deletions(-) diff --git a/hw/usb-ccid.c b/hw/usb-ccid.c index 98805bb..cc4d6d1 100644 --- a/hw/usb-ccid.c +++ b/hw/usb-ccid.c @@ -11,3 +11,1244 @@ * This code is licenced under the LGPL. */ +/* References: + * + * CCID Specification Revision 1.1 April 22nd 2005 + * "Universal Serial Bus, Device Class: Smart Card" + * Specification for Integrated Circuit(s) Cards Interface Devices + * + * KNOWN BUGS + * 1. remove/insert can sometimes result in removed state instead of inserted. + * 2. if the chardev connection drops we don't get any notification. this can leave us in a state where there is a reader attached. this will cause vscclient to fail when it starts again since it will get VSC_Error in response to VSC_ReaderAdd. The correct fix is flow control. There is a trivial fix using chrdev ioctls, but it has not been accepted upstream. + * + */ + +#include "qemu-common.h" +#include "qemu-error.h" +#include "usb.h" +#include "qemu-char.h" + +#include "hw/vscard_common.h" + +static int debug = 0; + +#define DPRINTF(fmt, ...) \ +do { if (debug) { printf("usb-ccid: " fmt , ## __VA_ARGS__); } } while (0) + +#define RECV_BUF 384 +#define BULK_IN_FREE_START_NUM 5 + +#define DeviceOutVendor ((USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_DEVICE)<<8) +#define DeviceInVendor ((USB_DIR_IN |USB_TYPE_VENDOR|USB_RECIP_DEVICE)<<8) + +#define CCID_CONTROL_ABORT 0x1 +#define CCID_CONTROL_GET_CLOCK_FREQUENCIES 0x2 +#define CCID_CONTROL_GET_DATA_RATES 0x3 + +#define CCID_PRODUCT_DESCRIPTION "QEMU USB CCID" +#define CCID_VENDOR_DESCRIPTION "QEMU " QEMU_VERSION +#define CCID_INTERFACE_NAME "CCID Interface" +#define CCID_SERIAL_NUMBER_STRING "1" +/* Using Gemplus Vendor and Product id + Effect on various drivers: + * usbccid.sys (winxp, others untested) is a class driver so it doesn't care. + * linux has a number of class drivers, but openct filters based on + vendor/product (/etc/openct.conf under fedora), hence Gemplus. + */ +#define CCID_VENDOR_ID 0x08e6 +#define CCID_PRODUCT_ID 0x4433 +#define CCID_DEVICE_VERSION 0x0000 + +/* BULK_OUT messages from PC to Reader + Defined in CCID Rev 1.1 6.1 (page 26) + */ +#define CCID_MESSAGE_TYPE_PC_to_RDR_IccPowerOn 0x62 +#define CCID_MESSAGE_TYPE_PC_to_RDR_IccPowerOff 0x63 +#define CCID_MESSAGE_TYPE_PC_to_RDR_GetSlotStatus 0x65 +#define CCID_MESSAGE_TYPE_PC_to_RDR_XfrBlock 0x6f +#define CCID_MESSAGE_TYPE_PC_to_RDR_GetParameters 0x6c +#define CCID_MESSAGE_TYPE_PC_to_RDR_ResetParameters 0x6d +#define CCID_MESSAGE_TYPE_PC_to_RDR_SetParameters 0x61 +#define CCID_MESSAGE_TYPE_PC_to_RDR_Escape 0x6b +#define CCID_MESSAGE_TYPE_PC_to_RDR_IccClock 0x6e +#define CCID_MESSAGE_TYPE_PC_to_RDR_T0APDU 0x6a +#define CCID_MESSAGE_TYPE_PC_to_RDR_Secure 0x69 +#define CCID_MESSAGE_TYPE_PC_to_RDR_Mechanical 0x71 +#define CCID_MESSAGE_TYPE_PC_to_RDR_Abort 0x72 +#define CCID_MESSAGE_TYPE_PC_to_RDR_SetDataRateAndClockFrequency 0x73 + +/* BULK_IN messages from Reader to PC + Defined in CCID Rev 1.1 6.2 (page 48) + */ +#define CCID_MESSAGE_TYPE_RDR_to_PC_DataBlock 0x80 +#define CCID_MESSAGE_TYPE_RDR_to_PC_SlotStatus 0x81 +#define CCID_MESSAGE_TYPE_RDR_to_PC_Parameters 0x82 +#define CCID_MESSAGE_TYPE_RDR_to_PC_Escape 0x83 +#define CCID_MESSAGE_TYPE_RDR_to_PC_DataRateAndClockFrequency 0x84 + +/* INTERRUPT_IN messages from Reader to PC + Defined in CCID Rev 1.1 6.3 (page 56) + */ +#define CCID_MESSAGE_TYPE_RDR_to_PC_NotifySlotChange 0x50 +#define CCID_MESSAGE_TYPE_RDR_to_PC_HardwareError 0x51 + +/* Endpoints for CCID - addresses are up to us to decide. + To support slot insertion and removal we must have an interrupt in ep + in addition we need a bulk in and bulk out ep + 5.2, page 20 + */ +#define CCID_INT_IN_EP 1 +#define CCID_BULK_IN_EP 2 +#define CCID_BULK_OUT_EP 3 + +/* bmSlotICCState masks */ +#define SLOT_0_STATE_MASK 1 +#define SLOT_0_CHANGED_MASK 2 + +/* Status codes that go in bStatus (see 6.2.6) */ +enum { + ICC_STATUS_PRESENT_ACTIVE = 0, + ICC_STATUS_PRESENT_INACTIVE, + ICC_STATUS_NOT_PRESENT +}; + +enum { + COMMAND_STATUS_NO_ERROR = 0, + COMMAND_STATUS_FAILED, + COMMAND_STATUS_TIME_EXTENSION_REQUIRED +}; + +/* Error codes that go in bError (see 6.2.6) + */ +enum { + ERROR_CMD_NOT_SUPPORTED = 0, + ERROR_CMD_ABORTED = -1, + ERROR_ICC_MUTE = -2, + ERROR_XFR_PARITY_ERROR = -3, + ERROR_XFR_OVERRUN = -4, + ERROR_HW_ERROR = -5, +}; + +/* 6.2.6 RDR_to_PC_SlotStatus definitions */ +enum { + CLOCK_STATUS_RUNNING = 0, + /* 0 - Clock Running, 1 - Clock stopped in State L, 2 - H, + 3 - unkonwn state. rest are RFU + */ +}; + +typedef struct __attribute__ ((__packed__)) { + uint8_t bMessageType; + uint32_t dwLength; + uint8_t bSlot; + uint8_t bSeq; +} CCID_Header; + +typedef struct __attribute__ ((__packed__)) { + CCID_Header hdr; + uint8_t bStatus; /* Only used in BULK_IN */ + uint8_t bError; /* Only used in BULK_IN */ +} CCID_BULK_IN; + +typedef struct __attribute__ ((__packed__)) { + CCID_BULK_IN b; + uint8_t bClockStatus; +} CCID_SlotStatus; + +typedef struct __attribute__ ((__packed__)) { + CCID_BULK_IN b; + uint8_t bProtocolNum; + uint8_t abProtocolDataStructure[0]; +} CCID_Parameter; + +typedef struct __attribute__ ((__packed__)) { + CCID_BULK_IN b; + uint8_t bChainParameter; + uint8_t abData[0]; +} CCID_DataBlock; + +/* 6.1.4 PC_to_RDR_XfrBlock */ +typedef struct __attribute__ ((__packed__)) { + CCID_Header hdr; + uint8_t bBWI; /* Block Waiting Timeout */ + uint16_t wLevelParameter; + uint8_t abData[0]; +} CCID_XferBlock; + +typedef struct __attribute__ ((__packed__)) { + CCID_Header hdr; + uint8_t bPowerSelect; + uint16_t abRFU; +} CCID_IccPowerOn; + +typedef struct __attribute__ ((__packed__)) { + CCID_Header hdr; + uint16_t abRFU; +} CCID_IccPowerOff; + +typedef struct __attribute__ ((__packed__)) { + CCID_Header hdr; + uint8_t bProtocolNum; + uint8_t abProtocolDataStructure[0]; +} CCID_SetParameter; + +typedef struct { + uint8_t bMessageType; /* CCID_MESSAGE_TYPE_RDR_to_PC_NotifySlotChange */ + uint8_t bmSlotICCState; +} CCID_Notify_Slot_Change; + +#define MAX_ATR_SIZE 40 +#define MAX_PROTOCOL_SIZE 7 + +/* used for DataBlock response to XferBlock */ +typedef struct answer_t { + uint8_t slot; + uint8_t seq; + QSIMPLEQ_ENTRY(answer_t) entry; +} answer_t; + +/* pending bulk_in messages */ +typedef struct bulk_in_t { + uint8_t* data; + int len; + int pos; + QSIMPLEQ_ENTRY(bulk_in_t) entry; +} bulk_in_t; + +/** + * powered - defaults to true, changed by PowerOn/PowerOff messages + */ +typedef struct { + USBDevice dev; + CharDriverState *cs; + uint8_t debug; + uint8_t auto_attach; + uint8_t atr[MAX_ATR_SIZE]; + uint8_t atr_length; + QSIMPLEQ_HEAD(bulk_in, bulk_in_t) bulk_in_pending; + QSIMPLEQ_HEAD(bulk_in_free, bulk_in_t) bulk_in_free; + bulk_in_t *current_bulk_in; + uint8_t* bulk_out_data; + uint32_t bulk_out_len; + uint32_t bulk_out_pos; + uint8_t* vscard_in_data; + uint32_t vscard_in_pos; + uint32_t vscard_in_hdr; + uint32_t vscard_in_len; + uint8_t bmSlotICCState; + bool powered; + bool notify_slot_change; + uint64_t last_answer_error; + QSIMPLEQ_HEAD(pending_answers, answer_t) pending_answers; + uint8_t bError; + uint8_t bmCommandStatus; + uint8_t bProtocolNum; + uint8_t abProtocolDataStructure[MAX_PROTOCOL_SIZE]; + uint32_t ulProtocolDataStructureSize; +} USBCCIDState; + +/* Slot specific variables. We emulate a single slot card reader. + */ + +uint8_t DEFAULT_ATR[] = { +/* From some example somewhere + 0x3B, 0xB0, 0x18, 0x00, 0xD1, 0x81, 0x05, 0xB1, 0x40, 0x38, 0x1F, 0x03, 0x28 + */ + +/* From an Athena smart card */ + 0x3B, 0xD5, 0x18, 0xFF, 0x80, 0x91, 0xFE, 0x1F, 0xC3, 0x80, 0x73, 0xC8, 0x21, 0x13, 0x08 + +}; /* maximum size of ATR - from 7816-3 */ + + +/* CCID Spec chapter 4: CCID uses a standard device descriptor per Chapter 9, + * "USB Device Framework", section 9.6.1, in the Universal Serial Bus + * Specification. + * + * This device implemented based on the spec and with an Athena Smart Card + * Reader as reference: + * 0dc3:1004 Athena Smartcard Solutions, Inc. + */ + +static const uint8_t qemu_ccid_dev_descriptor[] = { + 0x12, /* u8 bLength; */ + USB_DT_DEVICE, /* u8 bDescriptorType; Device */ + 0x10, 0x01, /* u16 bcdUSB; v1.1 */ + + 0x00, /* u8 bDeviceClass; */ + 0x00, /* u8 bDeviceSubClass; */ + 0x00, /* u8 bDeviceProtocol; [ low/full speeds only ] */ + 0x40, /* u8 bMaxPacketSize0; 8 Bytes (valid: 8,16,32,64) */ + + /* Vendor and product id are arbitrary. */ + /* u16 idVendor */ + CCID_VENDOR_ID & 0xff, CCID_VENDOR_ID >> 8, + /* u16 idProduct */ + CCID_PRODUCT_ID & 0xff, CCID_PRODUCT_ID >> 8, + /* u16 bcdDevice */ + CCID_DEVICE_VERSION & 0xff, CCID_DEVICE_VERSION >> 8, + 0x01, /* u8 iManufacturer; */ + 0x02, /* u8 iProduct; */ + 0x03, /* u8 iSerialNumber; */ + 0x01, /* u8 bNumConfigurations; */ +}; + +static const uint8_t qemu_ccid_config_descriptor[] = { + + /* one configuration */ + 0x09, /* u8 bLength; */ + USB_DT_CONFIG, /* u8 bDescriptorType; Configuration */ + 0x5d, 0x00, /* u16 wTotalLength; 9+9+54+7+7+7 */ + 0x01, /* u8 bNumInterfaces; (1) */ + 0x01, /* u8 bConfigurationValue; */ + 0x00, /* u8 iConfiguration; */ + 0x80, /* u8 bmAttributes; + Bit 7: must be set, + 6: Self-powered, + 5: Remote wakeup, + 4..0: resvd */ + 100/2, /* u8 MaxPower; 50 == 100mA */ + + /* one interface */ + 0x09, /* u8 if_bLength; */ + USB_DT_INTERFACE, /* u8 if_bDescriptorType; Interface */ + 0x00, /* u8 if_bInterfaceNumber; */ + 0x00, /* u8 if_bAlternateSetting; */ + 0x03, /* u8 if_bNumEndpoints; */ + 0x0b, /* u8 if_bInterfaceClass; Smart Card Device Class */ + 0x00, /* u8 if_bInterfaceSubClass; Subclass code */ + 0x00, /* u8 if_bInterfaceProtocol; Protocol code */ + 0x04, /* u8 if_iInterface; Index of string descriptor */ + + /* Smart Card Device Class Descriptor */ + 0x36, /* u8 bLength; */ + 0x21, /* u8 bDescriptorType; Functional */ + 0x10, 0x01, /* u16 bcdCCID; CCID Specification Release Number. */ + 0x00, /* u8 bMaxSlotIndex; The index of the highest available + slot on this device. All slots are consecutive starting + at 00h. */ + 0x07, /* u8 bVoltageSupport; 01h - 5.0v, 02h - 3.0, 03 - 1.8 */ + + 0x03, 0x00, /* u32 dwProtocols; RRRR PPPP. RRRR = 0000h.*/ + 0x00, 0x00, /* PPPP: 0001h = Protocol T=0, 0002h = Protocol T=1 */ + /* u32 dwDefaultClock; in kHZ (0x0fa0 is 4 MHz) */ + 0xa0, 0x0f, 0x00, 0x00, + /* 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, 0x01, 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; */ + + /* Interrupt-IN endpoint */ + 0x07, /* u8 ep_bLength; */ + /* u8 ep_bDescriptorType; Endpoint */ + USB_DT_ENDPOINT, + /* u8 ep_bEndpointAddress; IN Endpoint 1 */ + 0x80 | CCID_INT_IN_EP, + 0x03, /* u8 ep_bmAttributes; Interrupt */ + 0x40, 0x00, /* u16 ep_wMaxPacketSize; */ + 0xff, /* u8 ep_bInterval; */ + + /* Bulk-In endpoint */ + 0x07, /* u8 ep_bLength; */ + /* u8 ep_bDescriptorType; Endpoint */ + USB_DT_ENDPOINT, + /* u8 ep_bEndpointAddress; IN Endpoint 2 */ + 0x80 | CCID_BULK_IN_EP, + 0x02, /* u8 ep_bmAttributes; Bulk */ + 0x40, 0x00, /* u16 ep_wMaxPacketSize; */ + 0x00, /* u8 ep_bInterval; */ + + /* Bulk-Out endpoint */ + 0x07, /* u8 ep_bLength; */ + /* u8 ep_bDescriptorType; Endpoint */ + USB_DT_ENDPOINT, + /* u8 ep_bEndpointAddress; OUT Endpoint 3 */ + CCID_BULK_OUT_EP, + 0x02, /* u8 ep_bmAttributes; Bulk */ + 0x40, 0x00, /* u16 ep_wMaxPacketSize; */ + 0x00, /* u8 ep_bInterval; */ + +}; + +static bool ccid_has_pending_answers(USBCCIDState *s) +{ + return !QSIMPLEQ_EMPTY(&s->pending_answers); +} + +static void ccid_clear_pending_answers(USBCCIDState *s) +{ + answer_t *answer; + + QSIMPLEQ_FOREACH(answer, &s->pending_answers, entry) { + qemu_free(answer); + } + QSIMPLEQ_INIT(&s->pending_answers); +} + +static void ccid_print_pending_answers(USBCCIDState *s) +{ +#ifdef DEBUG_CCID + answer_t *answer; + + printf("usb-ccid: pending answers:"); + if (!ccid_has_pending_answers(s)) { + printf(" empty\n"); + return; + } + QSIMPLEQ_FOREACH(answer, &s->pending_answers, entry) { + if (QSIMPLEQ_NEXT(answer, entry) == NULL) { + printf("%d:%d\n", answer->slot, answer->seq); + } else { + printf("%d:%d,", answer->slot, answer->seq); + } + } +#endif +} + +static void ccid_add_pending_answer(USBCCIDState *s, CCID_Header *hdr) +{ + answer_t* answer; + + answer = qemu_mallocz(sizeof(answer_t)); + answer->slot = hdr->bSlot; + answer->seq = hdr->bSeq; + QSIMPLEQ_INSERT_TAIL(&s->pending_answers, answer, entry); + ccid_print_pending_answers(s); +} + +static void ccid_remove_pending_answer(USBCCIDState *s, + uint8_t *slot, uint8_t *seq) +{ + answer_t *answer; + + answer = QSIMPLEQ_FIRST(&s->pending_answers); + *slot = answer->slot; + *seq = answer->seq; + QSIMPLEQ_REMOVE_HEAD(&s->pending_answers, entry); + qemu_free(answer); + ccid_print_pending_answers(s); +} + +static void ccid_bulk_in_clear(USBCCIDState *s) +{ + bulk_in_t* bulk_in; + + while (!QSIMPLEQ_EMPTY(&s->bulk_in_pending)) { + bulk_in = QSIMPLEQ_FIRST(&s->bulk_in_pending); + QSIMPLEQ_REMOVE_HEAD(&s->bulk_in_pending, entry); + QSIMPLEQ_INSERT_TAIL(&s->bulk_in_free, bulk_in, entry); + } +} + +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); + if (s->auto_attach == 0 && s->dev.attached) { + usb_device_detach(&s->dev); + } +} + +static void ccid_handle_reset(USBDevice *dev) +{ + USBCCIDState *s = (USBCCIDState *)dev; + + DPRINTF("Reset\n"); + + ccid_reset(s); +} + +static int ccid_handle_control(USBDevice *dev, int request, int value, + int index, int length, uint8_t *data) +{ + int ret = 0; + + DPRINTF("got control %x, value %x\n",request, value); + switch (request) { + case DeviceRequest | USB_REQ_GET_STATUS: + data[0] = (0 << USB_DEVICE_SELF_POWERED) | + (dev->remote_wakeup << USB_DEVICE_REMOTE_WAKEUP); + data[1] = 0x00; + ret = 2; + break; + case DeviceOutRequest | USB_REQ_CLEAR_FEATURE: + if (value == USB_DEVICE_REMOTE_WAKEUP) { + dev->remote_wakeup = 0; + } else { + goto fail; + } + ret = 0; + break; + case DeviceOutRequest | USB_REQ_SET_FEATURE: + if (value == USB_DEVICE_REMOTE_WAKEUP) { + dev->remote_wakeup = 1; + } else { + goto fail; + } + ret = 0; + break; + case DeviceOutRequest | USB_REQ_SET_ADDRESS: + dev->addr = value; + ret = 0; + break; + case DeviceRequest | USB_REQ_GET_DESCRIPTOR: + switch(value >> 8) { + case USB_DT_DEVICE: + memcpy(data, qemu_ccid_dev_descriptor, + sizeof(qemu_ccid_dev_descriptor)); + ret = sizeof(qemu_ccid_dev_descriptor); + break; + case USB_DT_CONFIG: + memcpy(data, qemu_ccid_config_descriptor, + sizeof(qemu_ccid_config_descriptor)); + ret = sizeof(qemu_ccid_config_descriptor); + break; + case USB_DT_STRING: + switch(value & 0xff) { + case 0: + /* language ids */ + data[0] = 4; + data[1] = 3; + data[2] = 0x09; + data[3] = 0x04; + ret = 4; + break; + case 1: + /* vendor description */ + ret = set_usb_string(data, CCID_VENDOR_DESCRIPTION); + break; + case 2: + /* product description */ + ret = set_usb_string(data, CCID_PRODUCT_DESCRIPTION); + break; + case 3: + /* serial number */ + ret = set_usb_string(data, CCID_SERIAL_NUMBER_STRING); + break; + case 4: + /* interface name */ + ret = set_usb_string(data, CCID_INTERFACE_NAME); + break; + default: + goto fail; + } + break; + default: + goto fail; + } + break; + case DeviceRequest | USB_REQ_GET_CONFIGURATION: + data[0] = 1; + ret = 1; + break; + case DeviceOutRequest | USB_REQ_SET_CONFIGURATION: + /* Only one configuration - we just ignore the request */ + ret = 0; + break; + case DeviceRequest | USB_REQ_GET_INTERFACE: + data[0] = 0; + ret = 1; + break; + case InterfaceOutRequest | USB_REQ_SET_INTERFACE: + ret = 0; + break; + case EndpointOutRequest | USB_REQ_CLEAR_FEATURE: + ret = 0; + break; + + /* Class specific requests. */ + case DeviceOutVendor | CCID_CONTROL_ABORT: + DPRINTF("ccid_control abort UNIMPLEMENTED\n"); + ret = USB_RET_STALL; + break; + case DeviceOutVendor | CCID_CONTROL_GET_CLOCK_FREQUENCIES: + DPRINTF("ccid_control get clock frequencies UNIMPLEMENTED\n"); + ret = USB_RET_STALL; + break; + case DeviceOutVendor | CCID_CONTROL_GET_DATA_RATES: + DPRINTF("ccid_control get data rates UNIMPLEMENTED\n"); + ret = USB_RET_STALL; + break; + default: + fail: + DPRINTF("got unsupported/bogus control %x, value %x\n", request, value); + ret = USB_RET_STALL; + break; + } + return ret; +} + +static void ccid_bulk_in_release(USBCCIDState *s) +{ + s->current_bulk_in->pos = 0; + s->current_bulk_in->len = RECV_BUF; + QSIMPLEQ_INSERT_TAIL(&s->bulk_in_free, s->current_bulk_in, entry); + s->current_bulk_in = NULL; +} + +static void ccid_bulk_in_get(USBCCIDState *s) +{ + if (s->current_bulk_in != NULL || QSIMPLEQ_EMPTY(&s->bulk_in_pending)) { + return; + } + s->current_bulk_in = QSIMPLEQ_FIRST(&s->bulk_in_pending); + QSIMPLEQ_REMOVE_HEAD(&s->bulk_in_pending, entry); +} + +static uint8_t* ccid_reserve_recv_buf(USBCCIDState* s, uint16_t len) +{ + bulk_in_t* bulk_in; + + DPRINTF("%s: QUEUE: reserve %d bytes\n", __func__, len); + + /* look for an existing element */ + if (len > RECV_BUF) { + printf("usb-ccid.c: %s: len larger then max (%d>%d). bailing out.\n", + __func__, len, RECV_BUF); + exit(-1); + } + if (QSIMPLEQ_EMPTY(&s->bulk_in_free)) { + printf("usb-ccid.c: %s: No buffers in bulk_in_free. discarding message.\n", + __func__); + return NULL; + } + bulk_in = QSIMPLEQ_FIRST(&s->bulk_in_free); + QSIMPLEQ_REMOVE_HEAD(&s->bulk_in_free, entry); + QSIMPLEQ_INSERT_TAIL(&s->bulk_in_pending, bulk_in, entry); + bulk_in->len = len; + return bulk_in->data; +} + +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); +#ifdef DEBUG_CCID + DPRINTF("status = %d\n", ret); +#endif + 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_SlotStatus*)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_Parameter *)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; + + p = (CCID_DataBlock*)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 = len; + p->b.hdr.bSlot = slot; + p->b.hdr.bSeq = seq; + p->b.bStatus = ccid_calc_status(s); + p->b.bError = s->bError; +#ifdef DEBUG_CCID + if (p->b.bError) { + DPRINTF("error %d", p->b.bError); + } +#endif + 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) +{ + ccid_write_data_block(s, recv->bSlot, recv->bSeq, s->atr, s->atr_length); +} + +static void ccid_set_parameters(USBCCIDState *s, CCID_Header *recv) +{ + CCID_SetParameter *ph = (CCID_SetParameter *) recv; + uint32_t len = 0; + if (ph->bProtocolNum == 0) { + len = 5; + } + if (ph->bProtocolNum == 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: 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); +} + +/* 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; +} + +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_vscard_send_msg( + USBCCIDState *s, VSCMsgType type, reader_id_t reader_id, + uint8_t* payload, uint32_t length) +{ + VSCMsgHeader scr_msg_header; + + scr_msg_header.type = type; + scr_msg_header.reader_id = reader_id; + scr_msg_header.length = length; + qemu_chr_write(s->cs, (uint8_t*)&scr_msg_header, sizeof(VSCMsgHeader)); + qemu_chr_write(s->cs, payload, length); +} + +static void ccid_vscard_send_apdu( + USBCCIDState *s, uint8_t* apdu, uint32_t length) +{ + ccid_vscard_send_msg(s, VSC_APDU, VSCARD_MINIMAL_READER_ID, apdu, length); +} + +static void ccid_vscard_send_error( + USBCCIDState *s, reader_id_t reader_id, VSCErrorCode code) +{ + VSCMsgError msg = {.code=code}; + + ccid_vscard_send_msg(s, VSC_Error, reader_id, (uint8_t*)&msg, sizeof(msg)); +} + +static void ccid_vscard_send_init(USBCCIDState *s) +{ + VSCMsgInit msg = {.version=VSCARD_VERSION}; + + ccid_vscard_send_msg(s, VSC_Init, VSCARD_UNDEFINED_READER_ID, + (uint8_t*)&msg, sizeof(msg)); +} + +static void ccid_on_apdu_from_guest(USBCCIDState *s, CCID_XferBlock *recv) +{ + if (!s->cs) { + printf("usb-ccid: discarding apdu length %d\n", recv->hdr.dwLength); + return; + } + if (ccid_card_status(s) != ICC_STATUS_PRESENT_ACTIVE) { + DPRINTF("usb-ccid: not sending apdu to client, no card connected\n"); + ccid_write_data_block_error(s, recv->hdr.bSlot, recv->hdr.bSeq); + return; + } + DPRINTF("%s: seq %d, len %d\n", __FUNCTION__, + recv->hdr.bSeq, recv->hdr.dwLength); + ccid_add_pending_answer(s, (CCID_Header*)recv); + ccid_vscard_send_apdu(s, recv->abData, recv->hdr.dwLength); +} + +static void ccid_handle_bulk_out(USBCCIDState *s, USBPacket *p) +{ + CCID_Header* ccid_header; + + if (p->len + s->bulk_out_pos > s->bulk_out_len) { + s->bulk_out_len = MAX(p->len + s->bulk_out_pos, s->bulk_out_len*2); + s->bulk_out_data = realloc(s->bulk_out_data, s->bulk_out_len); + assert(s->bulk_out_data != NULL); + } + ccid_header = (CCID_Header*)s->bulk_out_data; + memcpy(s->bulk_out_data + s->bulk_out_pos, p->data, p->len); + s->bulk_out_pos += p->len; + if (p->len == 64) { + DPRINTF("usb-ccid: bulk_in: expecting more packets (%d/%d)\n", + p->len, ccid_header->dwLength); + return; + } + if (s->bulk_out_pos < 10) { + DPRINTF("handle_data: bad USB_TOKEN_OUT length, should be at least 10 bytes\n"); + } else { + DPRINTF("handle_data %x\n", 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: + /* We need to send an ATR back */ + DPRINTF("PowerOn: %d\n", + ((CCID_IccPowerOn*)(ccid_header))->bPowerSelect); + s->powered = true; + ccid_write_data_block_atr(s, ccid_header); + break; + case CCID_MESSAGE_TYPE_PC_to_RDR_IccPowerOff: + DPRINTF("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: + s->bmCommandStatus = COMMAND_STATUS_NO_ERROR; + ccid_set_parameters(s, ccid_header); + ccid_write_parameters(s, ccid_header); + break; + case CCID_MESSAGE_TYPE_PC_to_RDR_ResetParameters: + s->bmCommandStatus = COMMAND_STATUS_NO_ERROR; + ccid_reset_parameters(s); + ccid_write_parameters(s, ccid_header); + break; + case CCID_MESSAGE_TYPE_PC_to_RDR_GetParameters: + s->bmCommandStatus = COMMAND_STATUS_NO_ERROR; + ccid_write_parameters(s, ccid_header); + break; + default: + DPRINTF("handle_data: ERROR: unhandled message type %Xh\n", + ccid_header->bMessageType); + /* the caller is expecting the device to respond, tell it we + * do't support the operation */ + s->bmCommandStatus = COMMAND_STATUS_FAILED; + s->bError = ERROR_CMD_NOT_SUPPORTED; + ccid_write_slot_status(s, ccid_header); + break; + } + } + s->bulk_out_pos = 0; +} + +static int ccid_bulk_in_copy_out(USBCCIDState *s, uint8_t *data, int len) +{ + int ret = 0; + + assert(len>0); + ccid_bulk_in_get(s); + if (s->current_bulk_in != NULL) { + ret = MIN(s->current_bulk_in->len - s->current_bulk_in->pos, len); + memcpy(data, s->current_bulk_in->data + s->current_bulk_in->pos, ret); + s->current_bulk_in->pos += ret; + if (s->current_bulk_in->pos == s->current_bulk_in->len) { + ccid_bulk_in_release(s); + } + } else { + ret = USB_RET_NAK; + } + DPRINTF("%s: %d/%d req/act to guest (BULK_IN)\n", __func__, len, ret); + return ret; +} + +static int ccid_handle_data(USBDevice *dev, USBPacket *p) +{ + USBCCIDState *s = (USBCCIDState *)dev; + int ret = 0; + uint8_t *data = p->data; + int len = p->len; + + switch (p->pid) { + case USB_TOKEN_OUT: + ccid_handle_bulk_out(s, p); + break; + + case USB_TOKEN_IN: + switch (p->devep & 0xf) { + case CCID_BULK_IN_EP: + if (!len) { + ret = USB_RET_NAK; + } else { + ret = ccid_bulk_in_copy_out(s, data, len); + } + break; + case CCID_INT_IN_EP: + if (s->notify_slot_change) { + /* page 56, RDR_to_PC_NotifySlotChange */ + data[0] = CCID_MESSAGE_TYPE_RDR_to_PC_NotifySlotChange; + data[1] = s->bmSlotICCState; + ret = 2; + s->notify_slot_change = false; + s->bmSlotICCState &= ~SLOT_0_CHANGED_MASK; + DPRINTF("handle_data: int_in: notify_slot_change %X\n", + s->bmSlotICCState); + } + break; + default: + DPRINTF("Bad endpoint\n"); + break; + } + break; + default: + DPRINTF("Bad token\n"); + ret = USB_RET_STALL; + break; + } + + return ret; +} + +static void ccid_handle_destroy(USBDevice *dev) +{ + USBCCIDState *s = (USBCCIDState *)dev; + bulk_in_t* bulk_in; + + if (s->cs) { + qemu_chr_close(s->cs); + } + free(s->bulk_out_data); + free(s->vscard_in_data); + ccid_bulk_in_clear(s); + QSIMPLEQ_FOREACH(bulk_in, &s->bulk_in_free, entry) { + qemu_free(bulk_in->data); + qemu_free(bulk_in); + } +} + +/* APDU chardev */ + +static int ccid_vscard_can_read(void *opaque) +{ + return 65535; +} + +static void ccid_vscard_handle_message(USBCCIDState *s, + VSCMsgHeader* scr_msg_header) +{ + uint8_t *data = (uint8_t*)&scr_msg_header[1]; + answer_t *answer; + + switch (scr_msg_header->type) { + case VSC_ATR: + DPRINTF("VSC_ATR %d\n", scr_msg_header->length); + assert(scr_msg_header->length <= MAX_ATR_SIZE); + memcpy(s->atr, data, scr_msg_header->length); + s->atr_length = scr_msg_header->length; + s->bmCommandStatus = COMMAND_STATUS_NO_ERROR; + if (ccid_has_pending_answers(s)) { + ccid_write_data_block_answer(s, NULL, 0); + } + ccid_on_slot_change(s, true); + break; + case VSC_APDU: + if (!ccid_has_pending_answers(s)) { + DPRINTF("VSC_APDU: ERROR: got an APDU without pending answers\n"); + break; + } + s->bmCommandStatus = COMMAND_STATUS_NO_ERROR; + answer = QSIMPLEQ_FIRST(&s->pending_answers); + if (answer == NULL) { + abort(); + } + DPRINTF("VSC_APDU %d (answer seq %d, slot %d)\n", + scr_msg_header->length, + answer->seq, answer->slot); + ccid_write_data_block_answer(s, data, scr_msg_header->length); + break; + case VSC_CardRemove: + DPRINTF("VSC_CardRemove\n"); + ccid_on_slot_change(s, false); + if (ccid_has_pending_answers(s)) { + ccid_write_data_block_answer(s, NULL, 0); + } + ccid_reset(s); + break; + case VSC_Init: + break; + case VSC_Error: + s->bmCommandStatus = COMMAND_STATUS_FAILED; + s->last_answer_error = *(uint64_t*)data; + DPRINTF("VSC_Error: %lX\n", s->last_answer_error); + ccid_write_data_block_answer(s, NULL, 0); + break; + case VSC_ReaderAdd: + DPRINTF("VSC_ReaderAdd\n"); + if (s->auto_attach==0 && !s->dev.attached) { + usb_device_attach(&s->dev); + ccid_vscard_send_msg(s, VSC_ReaderAddResponse, + VSCARD_MINIMAL_READER_ID, NULL, 0); + } else { + ccid_vscard_send_error(s, VSCARD_UNDEFINED_READER_ID, + VSC_CANNOT_ADD_MORE_READERS); + } + break; + case VSC_ReaderRemove: + DPRINTF("VSC_ReaderRemove\n"); + if (ccid_card_inserted(s)) { + ccid_on_slot_change(s, false); + ccid_clear_pending_answers(s); + } + if (s->auto_attach == 0 && s->dev.attached) { + usb_device_detach(&s->dev); + } + break; + default: + printf("usb-ccid: chardev: unexpected message of type %X\n", + scr_msg_header->type); + ccid_vscard_send_error(s, scr_msg_header->reader_id, + VSC_GENERAL_ERROR); + } +} + +static void ccid_vscard_read(void *opaque, const uint8_t *buf, int size) +{ + USBCCIDState *s = opaque; + VSCMsgHeader *hdr; + + if (s->vscard_in_pos + size > s->vscard_in_len) { + s->vscard_in_len = MAX(s->vscard_in_pos + size, s->vscard_in_len * 2); + s->vscard_in_data = realloc(s->vscard_in_data, s->vscard_in_len); + assert(s->vscard_in_data); + } + memcpy(s->vscard_in_data + s->vscard_in_pos, buf, size); + s->vscard_in_pos += size; + hdr = (VSCMsgHeader*)(s->vscard_in_data + s->vscard_in_hdr); + + while ((s->vscard_in_pos - s->vscard_in_hdr >= sizeof(VSCMsgHeader)) && + (s->vscard_in_pos - s->vscard_in_hdr - sizeof(VSCMsgHeader) >= + hdr->length)) + { + ccid_vscard_handle_message(s, hdr); + s->vscard_in_hdr += hdr->length + sizeof(VSCMsgHeader); + hdr = (VSCMsgHeader*)(s->vscard_in_data + s->vscard_in_hdr); + } + if (s->vscard_in_hdr == s->vscard_in_pos) { + s->vscard_in_pos = s->vscard_in_hdr = 0; + } +} + +static void ccid_vscard_event(void *opaque, int event) +{ + USBCCIDState *s = opaque; + switch (event) { + case CHR_EVENT_BREAK: + break; + case CHR_EVENT_FOCUS: + break; + case CHR_EVENT_OPENED: + DPRINTF("%s: CHR_EVENT_OPENED\n", __func__); + ccid_detach(s); + break; + } +} + +static int ccid_initfn(USBDevice *dev) +{ + USBCCIDState *s = DO_UPCAST(USBCCIDState, dev, dev); + int i; + bulk_in_t* bulk_in; + + debug = s->debug; + dev->auto_attach = s->auto_attach; + s->dev.speed = USB_SPEED_FULL; + s->notify_slot_change = false; + s->powered = true; + QSIMPLEQ_INIT(&s->pending_answers); + s->last_answer_error = 0; + QSIMPLEQ_INIT(&s->bulk_in_pending); + QSIMPLEQ_INIT(&s->bulk_in_free); + for (i = 0 ; i < BULK_IN_FREE_START_NUM ; ++i) { + bulk_in = qemu_mallocz(sizeof(bulk_in_t)); + bulk_in->data = qemu_mallocz(RECV_BUF); + bulk_in->len = RECV_BUF; + bulk_in->pos = 0; + QSIMPLEQ_INSERT_TAIL(&s->bulk_in_free, bulk_in, entry); + } + s->current_bulk_in = NULL; + ccid_reset_error_status(s); + assert(sizeof(DEFAULT_ATR) <= MAX_ATR_SIZE); + memcpy(s->atr, DEFAULT_ATR, sizeof(DEFAULT_ATR)); + s->atr_length = sizeof(DEFAULT_ATR); + s->bulk_out_data = malloc(sizeof(VSCMsgHeader)); + s->bulk_out_len = sizeof(VSCMsgHeader); + s->bulk_out_pos = 0; + s->vscard_in_data = NULL; + s->vscard_in_len = 0; + s->vscard_in_pos = 0; + s->vscard_in_hdr = 0; + if (s->cs) { + DPRINTF("initing chardev\n"); + qemu_chr_add_handlers(s->cs, + ccid_vscard_can_read, + ccid_vscard_read, + ccid_vscard_event, s); +#ifdef USB_CCID_USE_IOCTL + qemu_chr_ioctl(s->cs, CHR_IOCTL_VIRT_SERIAL_OPEN, NULL); +#endif + ccid_vscard_send_init(s); + } + ccid_reset_parameters(s); + ccid_reset(s); + return 0; +} + +static struct USBDeviceInfo ccid_info = { + .product_desc = "QEMU USB CCID", + .qdev.name = "usb-ccid", + .qdev.size = sizeof(USBCCIDState), + .init = ccid_initfn, + .handle_packet = usb_generic_handle_packet, + .handle_reset = ccid_handle_reset, + .handle_control = ccid_handle_control, + .handle_data = ccid_handle_data, + .handle_destroy = ccid_handle_destroy, + .usbdevice_name = "ccid", + .qdev.props = (Property[]) { + DEFINE_PROP_CHR("chardev", USBCCIDState, cs), + DEFINE_PROP_UINT8("auto_attach", USBCCIDState, auto_attach, 0), + DEFINE_PROP_UINT8("debug", USBCCIDState, debug, 0), + DEFINE_PROP_END_OF_LIST(), + }, +}; + +static void ccid_register_devices(void) +{ + usb_qdev_register(&ccid_info); +} +device_init(ccid_register_devices)