1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099110011011102110311041105110611071108110911101111111211131114111511161117111811191120112111221123112411251126112711281129113011311132113311341135113611371138113911401141114211431144114511461147114811491150115111521153115411551156115711581159116011611162116311641165116611671168116911701171117211731174117511761177117811791180118111821183118411851186118711881189119011911192119311941195119611971198119912001201120212031204120512061207120812091210121112121213121412151216121712181219122012211222122312241225122612271228122912301231123212331234123512361237123812391240124112421243124412451246124712481249125012511252125312541255125612571258125912601261126212631264126512661267126812691270127112721273127412751276127712781279128012811282128312841285128612871288128912901291129212931294129512961297129812991300130113021303130413051306130713081309131013111312131313141315131613171318131913201321 |
- /*
- * Copyright (C) 2011 Red Hat, Inc.
- *
- * CCID Device emulation
- *
- * Written by Alon Levy, with contributions from Robert Relyea.
- *
- * Based on usb-serial.c, see it's copyright and attributions below.
- *
- * This work is licensed under the terms of the GNU GPL, version 2.1 or later.
- * See the COPYING file in the top-level directory.
- * ------- (original copyright & attribution for usb-serial.c below) --------
- * Copyright (c) 2006 CodeSourcery.
- * Copyright (c) 2008 Samuel Thibault <samuel.thibault@ens-lyon.org>
- * Written by Paul Brook, reused for FTDI by Samuel Thibault,
- */
- /*
- * References:
- *
- * CCID Specification Revision 1.1 April 22nd 2005
- * "Universal Serial Bus, Device Class: Smart Card"
- * Specification for Integrated Circuit(s) Cards Interface Devices
- *
- * Endianness note: from the spec (1.3)
- * "Fields that are larger than a byte are stored in little endian"
- *
- * KNOWN BUGS
- * 1. remove/insert can sometimes result in removed state instead of inserted.
- * This is a result of the following:
- * symptom: dmesg shows ERMOTEIO (-121), pcscd shows -99. This can happen
- * when a short packet is sent, as seen in uhci-usb.c, resulting from a urb
- * from the guest requesting SPD and us returning a smaller packet.
- * Not sure which messages trigger this.
- */
- #include "qemu-common.h"
- #include "qemu-error.h"
- #include "usb.h"
- #include "usb-desc.h"
- #include "monitor.h"
- #include "hw/ccid.h"
- #define DPRINTF(s, lvl, fmt, ...) \
- do { \
- if (lvl <= s->debug) { \
- printf("usb-ccid: " fmt , ## __VA_ARGS__); \
- } \
- } while (0)
- #define D_WARN 1
- #define D_INFO 2
- #define D_MORE_INFO 3
- #define D_VERBOSE 4
- #define CCID_DEV_NAME "usb-ccid"
- /*
- * The two options for variable sized buffers:
- * make them constant size, for large enough constant,
- * or handle the migration complexity - VMState doesn't handle this case.
- * sizes are expected never to be exceeded, unless guest misbehaves.
- */
- #define BULK_OUT_DATA_SIZE 65536
- #define PENDING_ANSWERS_NUM 128
- #define BULK_IN_BUF_SIZE 384
- #define BULK_IN_PENDING_NUM 8
- #define InterfaceOutClass \
- ((USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE)<<8)
- #define InterfaceInClass \
- ((USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE)<<8)
- #define CCID_MAX_PACKET_SIZE 64
- #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 - unknown state. rest are RFU
- */
- };
- typedef struct QEMU_PACKED CCID_Header {
- uint8_t bMessageType;
- uint32_t dwLength;
- uint8_t bSlot;
- uint8_t bSeq;
- } CCID_Header;
- typedef struct QEMU_PACKED CCID_BULK_IN {
- CCID_Header hdr;
- uint8_t bStatus; /* Only used in BULK_IN */
- uint8_t bError; /* Only used in BULK_IN */
- } CCID_BULK_IN;
- typedef struct QEMU_PACKED CCID_SlotStatus {
- CCID_BULK_IN b;
- uint8_t bClockStatus;
- } CCID_SlotStatus;
- typedef struct QEMU_PACKED CCID_Parameter {
- CCID_BULK_IN b;
- uint8_t bProtocolNum;
- uint8_t abProtocolDataStructure[0];
- } CCID_Parameter;
- typedef struct QEMU_PACKED CCID_DataBlock {
- CCID_BULK_IN b;
- uint8_t bChainParameter;
- uint8_t abData[0];
- } CCID_DataBlock;
- /* 6.1.4 PC_to_RDR_XfrBlock */
- typedef struct QEMU_PACKED CCID_XferBlock {
- CCID_Header hdr;
- uint8_t bBWI; /* Block Waiting Timeout */
- uint16_t wLevelParameter; /* XXX currently unused */
- uint8_t abData[0];
- } CCID_XferBlock;
- typedef struct QEMU_PACKED CCID_IccPowerOn {
- CCID_Header hdr;
- uint8_t bPowerSelect;
- uint16_t abRFU;
- } CCID_IccPowerOn;
- typedef struct QEMU_PACKED CCID_IccPowerOff {
- CCID_Header hdr;
- uint16_t abRFU;
- } CCID_IccPowerOff;
- typedef struct QEMU_PACKED CCID_SetParameters {
- CCID_Header hdr;
- uint8_t bProtocolNum;
- uint16_t abRFU;
- uint8_t abProtocolDataStructure[0];
- } CCID_SetParameters;
- typedef struct CCID_Notify_Slot_Change {
- uint8_t bMessageType; /* CCID_MESSAGE_TYPE_RDR_to_PC_NotifySlotChange */
- uint8_t bmSlotICCState;
- } CCID_Notify_Slot_Change;
- /* used for DataBlock response to XferBlock */
- typedef struct Answer {
- uint8_t slot;
- uint8_t seq;
- } Answer;
- /* pending BULK_IN messages */
- typedef struct BulkIn {
- uint8_t data[BULK_IN_BUF_SIZE];
- uint32_t len;
- uint32_t pos;
- } BulkIn;
- enum {
- MIGRATION_NONE,
- MIGRATION_MIGRATED,
- };
- typedef struct CCIDBus {
- BusState qbus;
- } CCIDBus;
- #define MAX_PROTOCOL_SIZE 7
- /*
- * powered - defaults to true, changed by PowerOn/PowerOff messages
- */
- typedef struct USBCCIDState {
- USBDevice dev;
- CCIDBus bus;
- CCIDCardState *card;
- CCIDCardInfo *cardinfo; /* caching the info pointer */
- BulkIn bulk_in_pending[BULK_IN_PENDING_NUM]; /* circular */
- uint32_t bulk_in_pending_start;
- uint32_t bulk_in_pending_end; /* first free */
- uint32_t bulk_in_pending_num;
- BulkIn *current_bulk_in;
- uint8_t bulk_out_data[BULK_OUT_DATA_SIZE];
- uint32_t bulk_out_pos;
- uint64_t last_answer_error;
- Answer pending_answers[PENDING_ANSWERS_NUM];
- uint32_t pending_answers_start;
- uint32_t pending_answers_end;
- uint32_t pending_answers_num;
- uint8_t bError;
- uint8_t bmCommandStatus;
- uint8_t bProtocolNum;
- uint8_t abProtocolDataStructure[MAX_PROTOCOL_SIZE];
- uint32_t ulProtocolDataStructureSize;
- uint32_t state_vmstate;
- uint32_t migration_target_ip;
- uint16_t migration_target_port;
- uint8_t migration_state;
- uint8_t bmSlotICCState;
- uint8_t powered;
- uint8_t notify_slot_change;
- uint8_t debug;
- } USBCCIDState;
- /*
- * 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_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, 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; */
- };
- enum {
- STR_MANUFACTURER = 1,
- STR_PRODUCT,
- STR_SERIALNUMBER,
- STR_INTERFACE,
- };
- 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,
- .bmAttributes = 0xa0,
- .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,
- };
- 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);
- }
- static int ccid_handle_control(USBDevice *dev, USBPacket *p, int request,
- int value, int index, int length, uint8_t *data)
- {
- USBCCIDState *s = DO_UPCAST(USBCCIDState, dev, dev);
- int ret = 0;
- DPRINTF(s, 1, "got control %x, value %x\n", request, value);
- ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
- if (ret >= 0) {
- return ret;
- }
- switch (request) {
- case DeviceRequest | USB_REQ_GET_INTERFACE:
- data[0] = 0;
- ret = 1;
- break;
- case InterfaceOutRequest | USB_REQ_SET_INTERFACE:
- ret = 0;
- break;
- /* 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) {
- atr = s->cardinfo->get_atr(s->card, &len);
- }
- 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;
- usb_wakeup(&s->dev);
- }
- 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) {
- s->cardinfo->apdu_from_guest(s->card, recv->abData, len);
- } 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;
- if (p->iov.size + s->bulk_out_pos > BULK_OUT_DATA_SIZE) {
- return USB_RET_STALL;
- }
- ccid_header = (CCID_Header *)s->bulk_out_data;
- 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) {
- DPRINTF(s, D_VERBOSE,
- "usb-ccid: bulk_in: expecting more packets (%zd/%d)\n",
- p->iov.size, ccid_header->dwLength);
- 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;
- }
- static int ccid_bulk_in_copy_to_guest(USBCCIDState *s, USBPacket *p)
- {
- int ret = 0;
- assert(p->iov.size > 0);
- ccid_bulk_in_get(s);
- if (s->current_bulk_in != NULL) {
- 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);
- 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,
- "%s: %zd/%d req/act to guest (BULK_IN)\n",
- __func__, p->iov.size, ret);
- }
- if (ret != USB_RET_NAK && ret < p->iov.size) {
- DPRINTF(s, 1,
- "%s: returning short (EREMOTEIO) %d < %zd\n",
- __func__, ret, p->iov.size);
- }
- return ret;
- }
- static int ccid_handle_data(USBDevice *dev, USBPacket *p)
- {
- USBCCIDState *s = DO_UPCAST(USBCCIDState, dev, dev);
- int ret = 0;
- uint8_t buf[2];
- switch (p->pid) {
- case USB_TOKEN_OUT:
- ret = ccid_handle_bulk_out(s, p);
- break;
- case USB_TOKEN_IN:
- switch (p->devep & 0xf) {
- case CCID_BULK_IN_EP:
- if (!p->iov.size) {
- ret = USB_RET_NAK;
- } else {
- ret = ccid_bulk_in_copy_to_guest(s, p);
- }
- break;
- case CCID_INT_IN_EP:
- if (s->notify_slot_change) {
- /* page 56, RDR_to_PC_NotifySlotChange */
- buf[0] = CCID_MESSAGE_TYPE_RDR_to_PC_NotifySlotChange;
- buf[1] = s->bmSlotICCState;
- usb_packet_copy(p, buf, 2);
- 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, "
- "requested len %zd\n",
- s->bmSlotICCState, p->iov.size);
- }
- break;
- default:
- DPRINTF(s, 1, "Bad endpoint\n");
- ret = USB_RET_STALL;
- 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;
- DPRINTF(s, 1, "VSC_Error: %" PRIX64 "\n", s->last_answer_error);
- /* TODO: these errors should be more verbose and propagated to the guest.*/
- /*
- * 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;
- CCIDCardState *card = DO_UPCAST(CCIDCardState, qdev, qdev);
- CCIDCardInfo *info = DO_UPCAST(CCIDCardInfo, qdev, qdev->info);
- USBCCIDState *s =
- DO_UPCAST(USBCCIDState, dev.qdev, card->qdev.parent_bus->parent);
- if (ccid_card_inserted(s)) {
- ccid_card_card_removed(card);
- }
- if (info->exitfn) {
- ret = info->exitfn(card);
- }
- s->card = NULL;
- s->cardinfo = NULL;
- return ret;
- }
- static int ccid_card_init(DeviceState *qdev, DeviceInfo *base)
- {
- CCIDCardState *card = DO_UPCAST(CCIDCardState, qdev, qdev);
- CCIDCardInfo *info = DO_UPCAST(CCIDCardInfo, qdev, base);
- 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) {
- error_report("Warning: usb-ccid card already full, not adding");
- return -1;
- }
- ret = info->initfn ? info->initfn(card) : ret;
- if (ret == 0) {
- s->card = card;
- s->cardinfo = info;
- }
- return ret;
- }
- void ccid_card_qdev_register(CCIDCardInfo *card)
- {
- card->qdev.bus_info = &ccid_bus_info;
- card->qdev.init = ccid_card_init;
- card->qdev.exit = ccid_card_exit;
- qdev_register(&card->qdev);
- }
- static int ccid_initfn(USBDevice *dev)
- {
- USBCCIDState *s = DO_UPCAST(USBCCIDState, dev, dev);
- usb_desc_init(dev);
- qbus_create_inplace(&s->bus.qbus, &ccid_bus_info, &dev->qdev, NULL);
- s->bus.qbus.allow_hotplug = 1;
- s->card = NULL;
- s->cardinfo = NULL;
- s->migration_state = MIGRATION_NONE;
- s->migration_target_ip = 0;
- s->migration_target_port = 0;
- s->dev.speed = USB_SPEED_FULL;
- s->dev.speedmask = USB_SPEED_MASK_FULL;
- 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
- * erroneous detach.
- */
- 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()
- }
- };
- static struct USBDeviceInfo ccid_info = {
- .product_desc = "QEMU USB CCID",
- .qdev.name = CCID_DEV_NAME,
- .qdev.desc = "CCID Rev 1.1 smartcard reader",
- .qdev.size = sizeof(USBCCIDState),
- .init = ccid_initfn,
- .usb_desc = &desc_ccid,
- .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_UINT8("debug", USBCCIDState, debug, 0),
- DEFINE_PROP_END_OF_LIST(),
- },
- .qdev.vmsd = &ccid_vmstate,
- };
- static void ccid_register_devices(void)
- {
- usb_qdev_register(&ccid_info);
- }
- device_init(ccid_register_devices)
|