| 1 | /* |
| 2 | * Copyright (C) 2011 Red Hat, Inc. |
| 3 | * |
| 4 | * CCID Device emulation |
| 5 | * |
| 6 | * Written by Alon Levy, with contributions from Robert Relyea. |
| 7 | * |
| 8 | * Based on usb-serial.c, see its copyright and attributions below. |
| 9 | * |
| 10 | * This work is licensed under the terms of the GNU GPL, version 2.1 or later. |
| 11 | * See the COPYING file in the top-level directory. |
| 12 | * ------- (original copyright & attribution for usb-serial.c below) -------- |
| 13 | * Copyright (c) 2006 CodeSourcery. |
| 14 | * Copyright (c) 2008 Samuel Thibault <samuel.thibault@ens-lyon.org> |
| 15 | * Written by Paul Brook, reused for FTDI by Samuel Thibault, |
| 16 | */ |
| 17 | |
| 18 | /* |
| 19 | * References: |
| 20 | * |
| 21 | * CCID Specification Revision 1.1 April 22nd 2005 |
| 22 | * "Universal Serial Bus, Device Class: Smart Card" |
| 23 | * Specification for Integrated Circuit(s) Cards Interface Devices |
| 24 | * |
| 25 | * Endianness note: from the spec (1.3) |
| 26 | * "Fields that are larger than a byte are stored in little endian" |
| 27 | * |
| 28 | * KNOWN BUGS |
| 29 | * 1. remove/insert can sometimes result in removed state instead of inserted. |
| 30 | * This is a result of the following: |
| 31 | * symptom: dmesg shows ERMOTEIO (-121), pcscd shows -99. This can happen |
| 32 | * when a short packet is sent, as seen in uhci-usb.c, resulting from a urb |
| 33 | * from the guest requesting SPD and us returning a smaller packet. |
| 34 | * Not sure which messages trigger this. |
| 35 | */ |
| 36 | |
| 37 | #include "qemu/osdep.h" |
| 38 | #include "qemu/units.h" |
| 39 | #include "qapi/error.h" |
| 40 | #include "qemu/cutils.h" |
| 41 | #include "qemu/error-report.h" |
| 42 | #include "qemu/module.h" |
| 43 | #include "hw/core/qdev-properties.h" |
| 44 | #include "hw/usb/usb.h" |
| 45 | #include "migration/vmstate.h" |
| 46 | #include "desc.h" |
| 47 | |
| 48 | #include "ccid.h" |
| 49 | #include "qom/object.h" |
| 50 | |
| 51 | #define DPRINTF(s, lvl, fmt, ...) \ |
| 52 | do { \ |
| 53 | if (lvl <= s->debug) { \ |
| 54 | printf("usb-ccid: " fmt , ## __VA_ARGS__); \ |
| 55 | } \ |
| 56 | } while (0) |
| 57 | |
| 58 | #define D_WARN 1 |
| 59 | #define D_INFO 2 |
| 60 | #define D_MORE_INFO 3 |
| 61 | #define D_VERBOSE 4 |
| 62 | |
| 63 | #define TYPE_USB_CCID_DEV "usb-ccid" |
| 64 | OBJECT_DECLARE_SIMPLE_TYPE(USBCCIDState, USB_CCID_DEV) |
| 65 | /* |
| 66 | * The two options for variable sized buffers: |
| 67 | * make them constant size, for large enough constant, |
| 68 | * or handle the migration complexity - VMState doesn't handle this case. |
| 69 | * sizes are expected never to be exceeded, unless guest misbehaves. |
| 70 | */ |
| 71 | #define BULK_OUT_DATA_SIZE (64 * KiB) |
| 72 | #define PENDING_ANSWERS_NUM 128 |
| 73 | |
| 74 | #define BULK_IN_BUF_SIZE 384 |
| 75 | #define BULK_IN_PENDING_NUM 8 |
| 76 | |
| 77 | #define CCID_MAX_PACKET_SIZE 64 |
| 78 | |
| 79 | #define CCID_CONTROL_ABORT 0x1 |
| 80 | #define CCID_CONTROL_GET_CLOCK_FREQUENCIES 0x2 |
| 81 | #define CCID_CONTROL_GET_DATA_RATES 0x3 |
| 82 | |
| 83 | #define CCID_PRODUCT_DESCRIPTION "QEMU USB CCID" |
| 84 | #define CCID_VENDOR_DESCRIPTION "QEMU" |
| 85 | #define CCID_INTERFACE_NAME "CCID Interface" |
| 86 | #define CCID_SERIAL_NUMBER_STRING "1" |
| 87 | /* |
| 88 | * Using Gemplus Vendor and Product id |
| 89 | * Effect on various drivers: |
| 90 | * usbccid.sys (winxp, others untested) is a class driver so it doesn't care. |
| 91 | * linux has a number of class drivers, but openct filters based on |
| 92 | * vendor/product (/etc/openct.conf under fedora), hence Gemplus. |
| 93 | */ |
| 94 | #define CCID_VENDOR_ID 0x08e6 |
| 95 | #define CCID_PRODUCT_ID 0x4433 |
| 96 | #define CCID_DEVICE_VERSION 0x0000 |
| 97 | |
| 98 | /* |
| 99 | * BULK_OUT messages from PC to Reader |
| 100 | * Defined in CCID Rev 1.1 6.1 (page 26) |
| 101 | */ |
| 102 | #define CCID_MESSAGE_TYPE_PC_to_RDR_IccPowerOn 0x62 |
| 103 | #define CCID_MESSAGE_TYPE_PC_to_RDR_IccPowerOff 0x63 |
| 104 | #define CCID_MESSAGE_TYPE_PC_to_RDR_GetSlotStatus 0x65 |
| 105 | #define CCID_MESSAGE_TYPE_PC_to_RDR_XfrBlock 0x6f |
| 106 | #define CCID_MESSAGE_TYPE_PC_to_RDR_GetParameters 0x6c |
| 107 | #define CCID_MESSAGE_TYPE_PC_to_RDR_ResetParameters 0x6d |
| 108 | #define CCID_MESSAGE_TYPE_PC_to_RDR_SetParameters 0x61 |
| 109 | #define CCID_MESSAGE_TYPE_PC_to_RDR_Escape 0x6b |
| 110 | #define CCID_MESSAGE_TYPE_PC_to_RDR_IccClock 0x6e |
| 111 | #define CCID_MESSAGE_TYPE_PC_to_RDR_T0APDU 0x6a |
| 112 | #define CCID_MESSAGE_TYPE_PC_to_RDR_Secure 0x69 |
| 113 | #define CCID_MESSAGE_TYPE_PC_to_RDR_Mechanical 0x71 |
| 114 | #define CCID_MESSAGE_TYPE_PC_to_RDR_Abort 0x72 |
| 115 | #define CCID_MESSAGE_TYPE_PC_to_RDR_SetDataRateAndClockFrequency 0x73 |
| 116 | |
| 117 | /* |
| 118 | * BULK_IN messages from Reader to PC |
| 119 | * Defined in CCID Rev 1.1 6.2 (page 48) |
| 120 | */ |
| 121 | #define CCID_MESSAGE_TYPE_RDR_to_PC_DataBlock 0x80 |
| 122 | #define CCID_MESSAGE_TYPE_RDR_to_PC_SlotStatus 0x81 |
| 123 | #define CCID_MESSAGE_TYPE_RDR_to_PC_Parameters 0x82 |
| 124 | #define CCID_MESSAGE_TYPE_RDR_to_PC_Escape 0x83 |
| 125 | #define CCID_MESSAGE_TYPE_RDR_to_PC_DataRateAndClockFrequency 0x84 |
| 126 | |
| 127 | /* |
| 128 | * INTERRUPT_IN messages from Reader to PC |
| 129 | * Defined in CCID Rev 1.1 6.3 (page 56) |
| 130 | */ |
| 131 | #define CCID_MESSAGE_TYPE_RDR_to_PC_NotifySlotChange 0x50 |
| 132 | #define CCID_MESSAGE_TYPE_RDR_to_PC_HardwareError 0x51 |
| 133 | |
| 134 | /* |
| 135 | * Endpoints for CCID - addresses are up to us to decide. |
| 136 | * To support slot insertion and removal we must have an interrupt in ep |
| 137 | * in addition we need a bulk in and bulk out ep |
| 138 | * 5.2, page 20 |
| 139 | */ |
| 140 | #define CCID_INT_IN_EP 1 |
| 141 | #define CCID_BULK_IN_EP 2 |
| 142 | #define CCID_BULK_OUT_EP 3 |
| 143 | |
| 144 | /* bmSlotICCState masks */ |
| 145 | #define SLOT_0_STATE_MASK 1 |
| 146 | #define SLOT_0_CHANGED_MASK 2 |
| 147 | |
| 148 | /* Status codes that go in bStatus (see 6.2.6) */ |
| 149 | enum { |
| 150 | ICC_STATUS_PRESENT_ACTIVE = 0, |
| 151 | ICC_STATUS_PRESENT_INACTIVE, |
| 152 | ICC_STATUS_NOT_PRESENT |
| 153 | }; |
| 154 | |
| 155 | enum { |
| 156 | COMMAND_STATUS_NO_ERROR = 0, |
| 157 | COMMAND_STATUS_FAILED, |
| 158 | COMMAND_STATUS_TIME_EXTENSION_REQUIRED |
| 159 | }; |
| 160 | |
| 161 | /* Error codes that go in bError (see 6.2.6) */ |
| 162 | enum { |
| 163 | ERROR_CMD_NOT_SUPPORTED = 0, |
| 164 | ERROR_CMD_ABORTED = -1, |
| 165 | ERROR_ICC_MUTE = -2, |
| 166 | ERROR_XFR_PARITY_ERROR = -3, |
| 167 | ERROR_XFR_OVERRUN = -4, |
| 168 | ERROR_HW_ERROR = -5, |
| 169 | }; |
| 170 | |
| 171 | /* 6.2.6 RDR_to_PC_SlotStatus definitions */ |
| 172 | enum { |
| 173 | CLOCK_STATUS_RUNNING = 0, |
| 174 | /* |
| 175 | * 0 - Clock Running, 1 - Clock stopped in State L, 2 - H, |
| 176 | * 3 - unknown state. rest are RFU |
| 177 | */ |
| 178 | }; |
| 179 | |
| 180 | typedef struct QEMU_PACKED CCID_Header { |
| 181 | uint8_t bMessageType; |
| 182 | uint32_t dwLength; |
| 183 | uint8_t bSlot; |
| 184 | uint8_t bSeq; |
| 185 | } CCID_Header; |
| 186 | |
| 187 | typedef struct QEMU_PACKED CCID_BULK_IN { |
| 188 | CCID_Header hdr; |
| 189 | uint8_t bStatus; /* Only used in BULK_IN */ |
| 190 | uint8_t bError; /* Only used in BULK_IN */ |
| 191 | } CCID_BULK_IN; |
| 192 | |
| 193 | typedef struct QEMU_PACKED CCID_SlotStatus { |
| 194 | CCID_BULK_IN b; |
| 195 | uint8_t bClockStatus; |
| 196 | } CCID_SlotStatus; |
| 197 | |
| 198 | typedef struct QEMU_PACKED CCID_T0ProtocolDataStructure { |
| 199 | uint8_t bmFindexDindex; |
| 200 | uint8_t bmTCCKST0; |
| 201 | uint8_t bGuardTimeT0; |
| 202 | uint8_t bWaitingIntegerT0; |
| 203 | uint8_t bClockStop; |
| 204 | } CCID_T0ProtocolDataStructure; |
| 205 | |
| 206 | typedef struct QEMU_PACKED CCID_T1ProtocolDataStructure { |
| 207 | uint8_t bmFindexDindex; |
| 208 | uint8_t bmTCCKST1; |
| 209 | uint8_t bGuardTimeT1; |
| 210 | uint8_t bWaitingIntegerT1; |
| 211 | uint8_t bClockStop; |
| 212 | uint8_t bIFSC; |
| 213 | uint8_t bNadValue; |
| 214 | } CCID_T1ProtocolDataStructure; |
| 215 | |
| 216 | typedef union CCID_ProtocolDataStructure { |
| 217 | CCID_T0ProtocolDataStructure t0; |
| 218 | CCID_T1ProtocolDataStructure t1; |
| 219 | uint8_t data[7]; /* must be = max(sizeof(t0), sizeof(t1)) */ |
| 220 | } CCID_ProtocolDataStructure; |
| 221 | |
| 222 | typedef struct QEMU_PACKED CCID_Parameter { |
| 223 | CCID_BULK_IN b; |
| 224 | uint8_t bProtocolNum; |
| 225 | CCID_ProtocolDataStructure abProtocolDataStructure; |
| 226 | } CCID_Parameter; |
| 227 | |
| 228 | typedef struct QEMU_PACKED CCID_DataBlock { |
| 229 | CCID_BULK_IN b; |
| 230 | uint8_t bChainParameter; |
| 231 | uint8_t abData[]; |
| 232 | } CCID_DataBlock; |
| 233 | |
| 234 | /* 6.1.4 PC_to_RDR_XfrBlock */ |
| 235 | typedef struct QEMU_PACKED CCID_XferBlock { |
| 236 | CCID_Header hdr; |
| 237 | uint8_t bBWI; /* Block Waiting Timeout */ |
| 238 | uint16_t wLevelParameter; /* XXX currently unused */ |
| 239 | uint8_t abData[]; |
| 240 | } CCID_XferBlock; |
| 241 | |
| 242 | typedef struct QEMU_PACKED CCID_IccPowerOn { |
| 243 | CCID_Header hdr; |
| 244 | uint8_t bPowerSelect; |
| 245 | uint16_t abRFU; |
| 246 | } CCID_IccPowerOn; |
| 247 | |
| 248 | typedef struct QEMU_PACKED CCID_IccPowerOff { |
| 249 | CCID_Header hdr; |
| 250 | uint16_t abRFU; |
| 251 | } CCID_IccPowerOff; |
| 252 | |
| 253 | typedef struct QEMU_PACKED CCID_SetParameters { |
| 254 | CCID_Header hdr; |
| 255 | uint8_t bProtocolNum; |
| 256 | uint16_t abRFU; |
| 257 | CCID_ProtocolDataStructure abProtocolDataStructure; |
| 258 | } CCID_SetParameters; |
| 259 | |
| 260 | typedef struct CCID_Notify_Slot_Change { |
| 261 | uint8_t bMessageType; /* CCID_MESSAGE_TYPE_RDR_to_PC_NotifySlotChange */ |
| 262 | uint8_t bmSlotICCState; |
| 263 | } CCID_Notify_Slot_Change; |
| 264 | |
| 265 | /* used for DataBlock response to XferBlock */ |
| 266 | typedef struct Answer { |
| 267 | uint8_t slot; |
| 268 | uint8_t seq; |
| 269 | } Answer; |
| 270 | |
| 271 | /* pending BULK_IN messages */ |
| 272 | typedef struct BulkIn { |
| 273 | uint8_t data[BULK_IN_BUF_SIZE]; |
| 274 | uint32_t len; |
| 275 | uint32_t pos; |
| 276 | } BulkIn; |
| 277 | |
| 278 | struct CCIDBus { |
| 279 | BusState qbus; |
| 280 | }; |
| 281 | |
| 282 | #define TYPE_CCID_BUS "ccid-bus" |
| 283 | OBJECT_DECLARE_SIMPLE_TYPE(CCIDBus, CCID_BUS) |
| 284 | |
| 285 | /* |
| 286 | * powered - defaults to true, changed by PowerOn/PowerOff messages |
| 287 | */ |
| 288 | struct USBCCIDState { |
| 289 | USBDevice dev; |
| 290 | USBEndpoint *intr; |
| 291 | USBEndpoint *bulk; |
| 292 | CCIDBus bus; |
| 293 | CCIDCardState *card; |
| 294 | BulkIn bulk_in_pending[BULK_IN_PENDING_NUM]; /* circular */ |
| 295 | uint32_t bulk_in_pending_start; |
| 296 | uint32_t bulk_in_pending_end; /* first free */ |
| 297 | uint32_t bulk_in_pending_num; |
| 298 | BulkIn *current_bulk_in; |
| 299 | uint8_t bulk_out_data[BULK_OUT_DATA_SIZE]; |
| 300 | uint32_t bulk_out_pos; |
| 301 | uint64_t last_answer_error; |
| 302 | Answer pending_answers[PENDING_ANSWERS_NUM]; |
| 303 | uint32_t pending_answers_start; |
| 304 | uint32_t pending_answers_end; |
| 305 | uint32_t pending_answers_num; |
| 306 | uint8_t bError; |
| 307 | uint8_t bmCommandStatus; |
| 308 | uint8_t bProtocolNum; |
| 309 | CCID_ProtocolDataStructure abProtocolDataStructure; |
| 310 | uint32_t ulProtocolDataStructureSize; |
| 311 | uint32_t state_vmstate; |
| 312 | uint8_t bmSlotICCState; |
| 313 | uint8_t powered; |
| 314 | uint8_t notify_slot_change; |
| 315 | uint8_t debug; |
| 316 | }; |
| 317 | |
| 318 | /* |
| 319 | * CCID Spec chapter 4: CCID uses a standard device descriptor per Chapter 9, |
| 320 | * "USB Device Framework", section 9.6.1, in the Universal Serial Bus |
| 321 | * Specification. |
| 322 | * |
| 323 | * This device implemented based on the spec and with an Athena Smart Card |
| 324 | * Reader as reference: |
| 325 | * 0dc3:1004 Athena Smartcard Solutions, Inc. |
| 326 | */ |
| 327 | |
| 328 | static const uint8_t qemu_ccid_descriptor[] = { |
| 329 | /* Smart Card Device Class Descriptor */ |
| 330 | 0x36, /* u8 bLength; */ |
| 331 | 0x21, /* u8 bDescriptorType; Functional */ |
| 332 | 0x10, 0x01, /* u16 bcdCCID; CCID Specification Release Number. */ |
| 333 | 0x00, /* |
| 334 | * u8 bMaxSlotIndex; The index of the highest available |
| 335 | * slot on this device. All slots are consecutive starting |
| 336 | * at 00h. |
| 337 | */ |
| 338 | 0x07, /* u8 bVoltageSupport; 01h - 5.0v, 02h - 3.0, 03 - 1.8 */ |
| 339 | |
| 340 | 0x01, 0x00, /* u32 dwProtocols; RRRR PPPP. RRRR = 0000h.*/ |
| 341 | 0x00, 0x00, /* PPPP: 0001h = Protocol T=0, 0002h = Protocol T=1 */ |
| 342 | /* u32 dwDefaultClock; in kHZ (0x0fa0 is 4 MHz) */ |
| 343 | 0xa0, 0x0f, 0x00, 0x00, |
| 344 | /* u32 dwMaximumClock; */ |
| 345 | 0x00, 0x00, 0x01, 0x00, |
| 346 | 0x00, /* u8 bNumClockSupported; * |
| 347 | * 0 means just the default and max. */ |
| 348 | /* u32 dwDataRate ;bps. 9600 == 00002580h */ |
| 349 | 0x80, 0x25, 0x00, 0x00, |
| 350 | /* u32 dwMaxDataRate ; 11520 bps == 0001C200h */ |
| 351 | 0x00, 0xC2, 0x01, 0x00, |
| 352 | 0x00, /* u8 bNumDataRatesSupported; 00 means all rates between |
| 353 | * default and max */ |
| 354 | /* u32 dwMaxIFSD; * |
| 355 | * maximum IFSD supported by CCID for protocol * |
| 356 | * T=1 (Maximum seen from various cards) */ |
| 357 | 0xfe, 0x00, 0x00, 0x00, |
| 358 | /* u32 dwSyncProtocols; 1 - 2-wire, 2 - 3-wire, 4 - I2C */ |
| 359 | 0x00, 0x00, 0x00, 0x00, |
| 360 | /* u32 dwMechanical; 0 - no special characteristics. */ |
| 361 | 0x00, 0x00, 0x00, 0x00, |
| 362 | /* |
| 363 | * u32 dwFeatures; |
| 364 | * 0 - No special characteristics |
| 365 | * + 2 Automatic parameter configuration based on ATR data |
| 366 | * + 4 Automatic activation of ICC on inserting |
| 367 | * + 8 Automatic ICC voltage selection |
| 368 | * + 10 Automatic ICC clock frequency change |
| 369 | * + 20 Automatic baud rate change |
| 370 | * + 40 Automatic parameters negotiation made by the CCID |
| 371 | * + 80 automatic PPS made by the CCID |
| 372 | * 100 CCID can set ICC in clock stop mode |
| 373 | * 200 NAD value other then 00 accepted (T=1 protocol) |
| 374 | * + 400 Automatic IFSD exchange as first exchange (T=1) |
| 375 | * One of the following only: |
| 376 | * + 10000 TPDU level exchanges with CCID |
| 377 | * 20000 Short APDU level exchange with CCID |
| 378 | * 40000 Short and Extended APDU level exchange with CCID |
| 379 | * |
| 380 | * 100000 USB Wake up signaling supported on card |
| 381 | * insertion and removal. Must set bit 5 in bmAttributes |
| 382 | * in Configuration descriptor if 100000 is set. |
| 383 | */ |
| 384 | 0xfe, 0x04, 0x01, 0x00, |
| 385 | /* |
| 386 | * u32 dwMaxCCIDMessageLength; For extended APDU in |
| 387 | * [261 + 10 , 65544 + 10]. Otherwise the minimum is |
| 388 | * wMaxPacketSize of the Bulk-OUT endpoint |
| 389 | */ |
| 390 | 0x12, 0x00, 0x01, 0x00, |
| 391 | 0xFF, /* |
| 392 | * u8 bClassGetResponse; Significant only for CCID that |
| 393 | * offers an APDU level for exchanges. Indicates the |
| 394 | * default class value used by the CCID when it sends a |
| 395 | * Get Response command to perform the transportation of |
| 396 | * an APDU by T=0 protocol |
| 397 | * FFh indicates that the CCID echos the class of the APDU. |
| 398 | */ |
| 399 | 0xFF, /* |
| 400 | * u8 bClassEnvelope; EAPDU only. Envelope command for |
| 401 | * T=0 |
| 402 | */ |
| 403 | 0x00, 0x00, /* |
| 404 | * u16 wLcdLayout; XXYY Number of lines (XX) and chars per |
| 405 | * line for LCD display used for PIN entry. 0000 - no LCD |
| 406 | */ |
| 407 | 0x01, /* |
| 408 | * u8 bPINSupport; 01h PIN Verification, |
| 409 | * 02h PIN Modification |
| 410 | */ |
| 411 | 0x01, /* u8 bMaxCCIDBusySlots; */ |
| 412 | }; |
| 413 | |
| 414 | enum { |
| 415 | STR_MANUFACTURER = 1, |
| 416 | STR_PRODUCT, |
| 417 | STR_SERIALNUMBER, |
| 418 | STR_INTERFACE, |
| 419 | }; |
| 420 | |
| 421 | static const USBDescStrings desc_strings = { |
| 422 | [STR_MANUFACTURER] = "QEMU", |
| 423 | [STR_PRODUCT] = "QEMU USB CCID", |
| 424 | [STR_SERIALNUMBER] = "1", |
| 425 | [STR_INTERFACE] = "CCID Interface", |
| 426 | }; |
| 427 | |
| 428 | static const USBDescIface desc_iface0 = { |
| 429 | .bInterfaceNumber = 0, |
| 430 | .bNumEndpoints = 3, |
| 431 | .bInterfaceClass = USB_CLASS_CSCID, |
| 432 | .bInterfaceSubClass = USB_SUBCLASS_UNDEFINED, |
| 433 | .bInterfaceProtocol = 0x00, |
| 434 | .iInterface = STR_INTERFACE, |
| 435 | .ndesc = 1, |
| 436 | .descs = (USBDescOther[]) { |
| 437 | { |
| 438 | /* smartcard descriptor */ |
| 439 | .data = qemu_ccid_descriptor, |
| 440 | }, |
| 441 | }, |
| 442 | .eps = (USBDescEndpoint[]) { |
| 443 | { |
| 444 | .bEndpointAddress = USB_DIR_IN | CCID_INT_IN_EP, |
| 445 | .bmAttributes = USB_ENDPOINT_XFER_INT, |
| 446 | .bInterval = 255, |
| 447 | .wMaxPacketSize = 64, |
| 448 | },{ |
| 449 | .bEndpointAddress = USB_DIR_IN | CCID_BULK_IN_EP, |
| 450 | .bmAttributes = USB_ENDPOINT_XFER_BULK, |
| 451 | .wMaxPacketSize = 64, |
| 452 | },{ |
| 453 | .bEndpointAddress = USB_DIR_OUT | CCID_BULK_OUT_EP, |
| 454 | .bmAttributes = USB_ENDPOINT_XFER_BULK, |
| 455 | .wMaxPacketSize = 64, |
| 456 | }, |
| 457 | } |
| 458 | }; |
| 459 | |
| 460 | static const USBDescDevice desc_device = { |
| 461 | .bcdUSB = 0x0110, |
| 462 | .bMaxPacketSize0 = 64, |
| 463 | .bNumConfigurations = 1, |
| 464 | .confs = (USBDescConfig[]) { |
| 465 | { |
| 466 | .bNumInterfaces = 1, |
| 467 | .bConfigurationValue = 1, |
| 468 | .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_SELFPOWER | |
| 469 | USB_CFG_ATT_WAKEUP, |
| 470 | .bMaxPower = 50, |
| 471 | .nif = 1, |
| 472 | .ifs = &desc_iface0, |
| 473 | }, |
| 474 | }, |
| 475 | }; |
| 476 | |
| 477 | static const USBDesc desc_ccid = { |
| 478 | .id = { |
| 479 | .idVendor = CCID_VENDOR_ID, |
| 480 | .idProduct = CCID_PRODUCT_ID, |
| 481 | .bcdDevice = CCID_DEVICE_VERSION, |
| 482 | .iManufacturer = STR_MANUFACTURER, |
| 483 | .iProduct = STR_PRODUCT, |
| 484 | .iSerialNumber = STR_SERIALNUMBER, |
| 485 | }, |
| 486 | .full = &desc_device, |
| 487 | .str = desc_strings, |
| 488 | }; |
| 489 | |
| 490 | static const uint8_t *ccid_card_get_atr(CCIDCardState *card, uint32_t *len) |
| 491 | { |
| 492 | CCIDCardClass *cc = CCID_CARD_GET_CLASS(card); |
| 493 | |
| 494 | if (cc->get_atr) { |
| 495 | return cc->get_atr(card, len); |
| 496 | } |
| 497 | return NULL; |
| 498 | } |
| 499 | |
| 500 | static void ccid_card_apdu_from_guest(CCIDCardState *card, |
| 501 | const uint8_t *apdu, |
| 502 | uint32_t len) |
| 503 | { |
| 504 | CCIDCardClass *cc = CCID_CARD_GET_CLASS(card); |
| 505 | |
| 506 | if (cc->apdu_from_guest) { |
| 507 | cc->apdu_from_guest(card, apdu, len); |
| 508 | } |
| 509 | } |
| 510 | |
| 511 | static bool ccid_has_pending_answers(USBCCIDState *s) |
| 512 | { |
| 513 | return s->pending_answers_num > 0; |
| 514 | } |
| 515 | |
| 516 | static void ccid_clear_pending_answers(USBCCIDState *s) |
| 517 | { |
| 518 | s->pending_answers_num = 0; |
| 519 | s->pending_answers_start = 0; |
| 520 | s->pending_answers_end = 0; |
| 521 | } |
| 522 | |
| 523 | static void ccid_print_pending_answers(USBCCIDState *s) |
| 524 | { |
| 525 | Answer *answer; |
| 526 | int i, count; |
| 527 | |
| 528 | DPRINTF(s, D_VERBOSE, "usb-ccid: pending answers:"); |
| 529 | if (!ccid_has_pending_answers(s)) { |
| 530 | DPRINTF(s, D_VERBOSE, " empty\n"); |
| 531 | return; |
| 532 | } |
| 533 | for (i = s->pending_answers_start, count = s->pending_answers_num ; |
| 534 | count > 0; count--, i++) { |
| 535 | answer = &s->pending_answers[i % PENDING_ANSWERS_NUM]; |
| 536 | if (count == 1) { |
| 537 | DPRINTF(s, D_VERBOSE, "%d:%d\n", answer->slot, answer->seq); |
| 538 | } else { |
| 539 | DPRINTF(s, D_VERBOSE, "%d:%d,", answer->slot, answer->seq); |
| 540 | } |
| 541 | } |
| 542 | } |
| 543 | |
| 544 | static void ccid_add_pending_answer(USBCCIDState *s, CCID_Header *hdr) |
| 545 | { |
| 546 | Answer *answer; |
| 547 | |
| 548 | assert(s->pending_answers_num < PENDING_ANSWERS_NUM); |
| 549 | s->pending_answers_num++; |
| 550 | answer = |
| 551 | &s->pending_answers[(s->pending_answers_end++) % PENDING_ANSWERS_NUM]; |
| 552 | answer->slot = hdr->bSlot; |
| 553 | answer->seq = hdr->bSeq; |
| 554 | ccid_print_pending_answers(s); |
| 555 | } |
| 556 | |
| 557 | static void ccid_remove_pending_answer(USBCCIDState *s, |
| 558 | uint8_t *slot, uint8_t *seq) |
| 559 | { |
| 560 | Answer *answer; |
| 561 | |
| 562 | assert(s->pending_answers_num > 0); |
| 563 | s->pending_answers_num--; |
| 564 | answer = |
| 565 | &s->pending_answers[(s->pending_answers_start++) % PENDING_ANSWERS_NUM]; |
| 566 | *slot = answer->slot; |
| 567 | *seq = answer->seq; |
| 568 | ccid_print_pending_answers(s); |
| 569 | } |
| 570 | |
| 571 | static void ccid_bulk_in_clear(USBCCIDState *s) |
| 572 | { |
| 573 | s->bulk_in_pending_start = 0; |
| 574 | s->bulk_in_pending_end = 0; |
| 575 | s->bulk_in_pending_num = 0; |
| 576 | } |
| 577 | |
| 578 | static void ccid_bulk_in_release(USBCCIDState *s) |
| 579 | { |
| 580 | assert(s->current_bulk_in != NULL); |
| 581 | s->current_bulk_in->pos = 0; |
| 582 | s->current_bulk_in = NULL; |
| 583 | } |
| 584 | |
| 585 | static void ccid_bulk_in_get(USBCCIDState *s) |
| 586 | { |
| 587 | if (s->current_bulk_in != NULL || s->bulk_in_pending_num == 0) { |
| 588 | return; |
| 589 | } |
| 590 | assert(s->bulk_in_pending_num > 0); |
| 591 | s->bulk_in_pending_num--; |
| 592 | s->current_bulk_in = |
| 593 | &s->bulk_in_pending[(s->bulk_in_pending_start++) % BULK_IN_PENDING_NUM]; |
| 594 | } |
| 595 | |
| 596 | static void *ccid_reserve_recv_buf(USBCCIDState *s, uint16_t len) |
| 597 | { |
| 598 | BulkIn *bulk_in; |
| 599 | |
| 600 | DPRINTF(s, D_VERBOSE, "%s: QUEUE: reserve %d bytes\n", __func__, len); |
| 601 | |
| 602 | /* look for an existing element */ |
| 603 | if (len > BULK_IN_BUF_SIZE) { |
| 604 | DPRINTF(s, D_WARN, "usb-ccid.c: %s: len larger then max (%d>%d). " |
| 605 | "discarding message.\n", |
| 606 | __func__, len, BULK_IN_BUF_SIZE); |
| 607 | return NULL; |
| 608 | } |
| 609 | if (s->bulk_in_pending_num >= BULK_IN_PENDING_NUM) { |
| 610 | DPRINTF(s, D_WARN, "usb-ccid.c: %s: No free bulk_in buffers. " |
| 611 | "discarding message.\n", __func__); |
| 612 | return NULL; |
| 613 | } |
| 614 | bulk_in = |
| 615 | &s->bulk_in_pending[(s->bulk_in_pending_end++) % BULK_IN_PENDING_NUM]; |
| 616 | s->bulk_in_pending_num++; |
| 617 | bulk_in->len = len; |
| 618 | return bulk_in->data; |
| 619 | } |
| 620 | |
| 621 | static void ccid_reset(USBCCIDState *s) |
| 622 | { |
| 623 | ccid_bulk_in_clear(s); |
| 624 | ccid_clear_pending_answers(s); |
| 625 | } |
| 626 | |
| 627 | static void ccid_detach(USBCCIDState *s) |
| 628 | { |
| 629 | ccid_reset(s); |
| 630 | } |
| 631 | |
| 632 | static void ccid_handle_reset(USBDevice *dev) |
| 633 | { |
| 634 | USBCCIDState *s = USB_CCID_DEV(dev); |
| 635 | |
| 636 | DPRINTF(s, 1, "Reset\n"); |
| 637 | |
| 638 | ccid_reset(s); |
| 639 | } |
| 640 | |
| 641 | static const char *ccid_control_to_str(USBCCIDState *s, int request) |
| 642 | { |
| 643 | switch (request) { |
| 644 | /* generic - should be factored out if there are other debugees */ |
| 645 | case DeviceOutRequest | USB_REQ_SET_ADDRESS: |
| 646 | return "(generic) set address"; |
| 647 | case DeviceRequest | USB_REQ_GET_DESCRIPTOR: |
| 648 | return "(generic) get descriptor"; |
| 649 | case DeviceRequest | USB_REQ_GET_CONFIGURATION: |
| 650 | return "(generic) get configuration"; |
| 651 | case DeviceOutRequest | USB_REQ_SET_CONFIGURATION: |
| 652 | return "(generic) set configuration"; |
| 653 | case DeviceRequest | USB_REQ_GET_STATUS: |
| 654 | return "(generic) get status"; |
| 655 | case DeviceOutRequest | USB_REQ_CLEAR_FEATURE: |
| 656 | return "(generic) clear feature"; |
| 657 | case DeviceOutRequest | USB_REQ_SET_FEATURE: |
| 658 | return "(generic) set_feature"; |
| 659 | case InterfaceRequest | USB_REQ_GET_INTERFACE: |
| 660 | return "(generic) get interface"; |
| 661 | case InterfaceOutRequest | USB_REQ_SET_INTERFACE: |
| 662 | return "(generic) set interface"; |
| 663 | /* class requests */ |
| 664 | case ClassInterfaceOutRequest | CCID_CONTROL_ABORT: |
| 665 | return "ABORT"; |
| 666 | case ClassInterfaceRequest | CCID_CONTROL_GET_CLOCK_FREQUENCIES: |
| 667 | return "GET_CLOCK_FREQUENCIES"; |
| 668 | case ClassInterfaceRequest | CCID_CONTROL_GET_DATA_RATES: |
| 669 | return "GET_DATA_RATES"; |
| 670 | } |
| 671 | return "unknown"; |
| 672 | } |
| 673 | |
| 674 | static void ccid_handle_control(USBDevice *dev, USBPacket *p, int request, |
| 675 | int value, int index, int length, uint8_t *data) |
| 676 | { |
| 677 | USBCCIDState *s = USB_CCID_DEV(dev); |
| 678 | int ret; |
| 679 | |
| 680 | DPRINTF(s, 1, "%s: got control %s (%x), value %x\n", __func__, |
| 681 | ccid_control_to_str(s, request), request, value); |
| 682 | ret = usb_desc_handle_control(dev, p, request, value, index, length, data); |
| 683 | if (ret >= 0) { |
| 684 | return; |
| 685 | } |
| 686 | |
| 687 | switch (request) { |
| 688 | /* Class specific requests. */ |
| 689 | case ClassInterfaceOutRequest | CCID_CONTROL_ABORT: |
| 690 | DPRINTF(s, 1, "ccid_control abort UNIMPLEMENTED\n"); |
| 691 | p->status = USB_RET_STALL; |
| 692 | break; |
| 693 | case ClassInterfaceRequest | CCID_CONTROL_GET_CLOCK_FREQUENCIES: |
| 694 | DPRINTF(s, 1, "ccid_control get clock frequencies UNIMPLEMENTED\n"); |
| 695 | p->status = USB_RET_STALL; |
| 696 | break; |
| 697 | case ClassInterfaceRequest | CCID_CONTROL_GET_DATA_RATES: |
| 698 | DPRINTF(s, 1, "ccid_control get data rates UNIMPLEMENTED\n"); |
| 699 | p->status = USB_RET_STALL; |
| 700 | break; |
| 701 | default: |
| 702 | DPRINTF(s, 1, "got unsupported/bogus control %x, value %x\n", |
| 703 | request, value); |
| 704 | p->status = USB_RET_STALL; |
| 705 | break; |
| 706 | } |
| 707 | } |
| 708 | |
| 709 | static bool ccid_card_inserted(USBCCIDState *s) |
| 710 | { |
| 711 | return s->bmSlotICCState & SLOT_0_STATE_MASK; |
| 712 | } |
| 713 | |
| 714 | static uint8_t ccid_card_status(USBCCIDState *s) |
| 715 | { |
| 716 | return ccid_card_inserted(s) |
| 717 | ? (s->powered ? |
| 718 | ICC_STATUS_PRESENT_ACTIVE |
| 719 | : ICC_STATUS_PRESENT_INACTIVE |
| 720 | ) |
| 721 | : ICC_STATUS_NOT_PRESENT; |
| 722 | } |
| 723 | |
| 724 | static uint8_t ccid_calc_status(USBCCIDState *s) |
| 725 | { |
| 726 | /* |
| 727 | * page 55, 6.2.6, calculation of bStatus from bmICCStatus and |
| 728 | * bmCommandStatus |
| 729 | */ |
| 730 | uint8_t ret = ccid_card_status(s) | (s->bmCommandStatus << 6); |
| 731 | DPRINTF(s, D_VERBOSE, "%s: status = %d\n", __func__, ret); |
| 732 | return ret; |
| 733 | } |
| 734 | |
| 735 | static void ccid_reset_error_status(USBCCIDState *s) |
| 736 | { |
| 737 | s->bError = ERROR_CMD_NOT_SUPPORTED; |
| 738 | s->bmCommandStatus = COMMAND_STATUS_NO_ERROR; |
| 739 | } |
| 740 | |
| 741 | static void ccid_write_slot_status(USBCCIDState *s, CCID_Header *recv) |
| 742 | { |
| 743 | CCID_SlotStatus *h = ccid_reserve_recv_buf(s, sizeof(CCID_SlotStatus)); |
| 744 | if (h == NULL) { |
| 745 | return; |
| 746 | } |
| 747 | h->b.hdr.bMessageType = CCID_MESSAGE_TYPE_RDR_to_PC_SlotStatus; |
| 748 | h->b.hdr.dwLength = 0; |
| 749 | h->b.hdr.bSlot = recv->bSlot; |
| 750 | h->b.hdr.bSeq = recv->bSeq; |
| 751 | h->b.bStatus = ccid_calc_status(s); |
| 752 | h->b.bError = s->bError; |
| 753 | h->bClockStatus = CLOCK_STATUS_RUNNING; |
| 754 | ccid_reset_error_status(s); |
| 755 | usb_wakeup(s->bulk, 0); |
| 756 | } |
| 757 | |
| 758 | static void ccid_write_parameters(USBCCIDState *s, CCID_Header *recv) |
| 759 | { |
| 760 | CCID_Parameter *h; |
| 761 | uint32_t len = s->ulProtocolDataStructureSize; |
| 762 | |
| 763 | h = ccid_reserve_recv_buf(s, sizeof(CCID_Parameter) + len); |
| 764 | if (h == NULL) { |
| 765 | return; |
| 766 | } |
| 767 | h->b.hdr.bMessageType = CCID_MESSAGE_TYPE_RDR_to_PC_Parameters; |
| 768 | h->b.hdr.dwLength = 0; |
| 769 | h->b.hdr.bSlot = recv->bSlot; |
| 770 | h->b.hdr.bSeq = recv->bSeq; |
| 771 | h->b.bStatus = ccid_calc_status(s); |
| 772 | h->b.bError = s->bError; |
| 773 | h->bProtocolNum = s->bProtocolNum; |
| 774 | h->abProtocolDataStructure = s->abProtocolDataStructure; |
| 775 | ccid_reset_error_status(s); |
| 776 | usb_wakeup(s->bulk, 0); |
| 777 | } |
| 778 | |
| 779 | static void ccid_write_data_block(USBCCIDState *s, uint8_t slot, uint8_t seq, |
| 780 | const uint8_t *data, uint32_t len) |
| 781 | { |
| 782 | CCID_DataBlock *p = ccid_reserve_recv_buf(s, sizeof(*p) + len); |
| 783 | |
| 784 | if (p == NULL) { |
| 785 | return; |
| 786 | } |
| 787 | p->b.hdr.bMessageType = CCID_MESSAGE_TYPE_RDR_to_PC_DataBlock; |
| 788 | p->b.hdr.dwLength = cpu_to_le32(len); |
| 789 | p->b.hdr.bSlot = slot; |
| 790 | p->b.hdr.bSeq = seq; |
| 791 | p->b.bStatus = ccid_calc_status(s); |
| 792 | p->b.bError = s->bError; |
| 793 | if (p->b.bError) { |
| 794 | DPRINTF(s, D_VERBOSE, "error %d\n", p->b.bError); |
| 795 | } |
| 796 | if (len) { |
| 797 | assert(data); |
| 798 | memcpy(p->abData, data, len); |
| 799 | } |
| 800 | ccid_reset_error_status(s); |
| 801 | usb_wakeup(s->bulk, 0); |
| 802 | } |
| 803 | |
| 804 | static void ccid_report_error_failed(USBCCIDState *s, uint8_t error) |
| 805 | { |
| 806 | s->bmCommandStatus = COMMAND_STATUS_FAILED; |
| 807 | s->bError = error; |
| 808 | } |
| 809 | |
| 810 | static void ccid_write_data_block_answer(USBCCIDState *s, |
| 811 | const uint8_t *data, uint32_t len) |
| 812 | { |
| 813 | uint8_t seq; |
| 814 | uint8_t slot; |
| 815 | |
| 816 | if (!ccid_has_pending_answers(s)) { |
| 817 | DPRINTF(s, D_WARN, "error: no pending answer to return to guest\n"); |
| 818 | ccid_report_error_failed(s, ERROR_ICC_MUTE); |
| 819 | return; |
| 820 | } |
| 821 | ccid_remove_pending_answer(s, &slot, &seq); |
| 822 | ccid_write_data_block(s, slot, seq, data, len); |
| 823 | } |
| 824 | |
| 825 | static uint8_t atr_get_protocol_num(const uint8_t *atr, uint32_t len) |
| 826 | { |
| 827 | int i; |
| 828 | |
| 829 | if (len < 2 || !(atr[1] & 0x80)) { |
| 830 | /* too short or TD1 not included */ |
| 831 | return 0; /* T=0, default */ |
| 832 | } |
| 833 | i = 1 + !!(atr[1] & 0x10) + !!(atr[1] & 0x20) + !!(atr[1] & 0x40); |
| 834 | i += !!(atr[1] & 0x80); |
| 835 | return atr[i] & 0x0f; |
| 836 | } |
| 837 | |
| 838 | static void ccid_write_data_block_atr(USBCCIDState *s, CCID_Header *recv) |
| 839 | { |
| 840 | const uint8_t *atr = NULL; |
| 841 | uint32_t len = 0; |
| 842 | uint8_t atr_protocol_num; |
| 843 | CCID_T0ProtocolDataStructure *t0 = &s->abProtocolDataStructure.t0; |
| 844 | CCID_T1ProtocolDataStructure *t1 = &s->abProtocolDataStructure.t1; |
| 845 | |
| 846 | if (s->card) { |
| 847 | atr = ccid_card_get_atr(s->card, &len); |
| 848 | } |
| 849 | atr_protocol_num = atr_get_protocol_num(atr, len); |
| 850 | DPRINTF(s, D_VERBOSE, "%s: atr contains protocol=%d\n", __func__, |
| 851 | atr_protocol_num); |
| 852 | /* set parameters from ATR - see spec page 109 */ |
| 853 | s->bProtocolNum = (atr_protocol_num <= 1 ? atr_protocol_num |
| 854 | : s->bProtocolNum); |
| 855 | switch (atr_protocol_num) { |
| 856 | case 0: |
| 857 | /* TODO: unimplemented ATR T0 parameters */ |
| 858 | t0->bmFindexDindex = 0; |
| 859 | t0->bmTCCKST0 = 0; |
| 860 | t0->bGuardTimeT0 = 0; |
| 861 | t0->bWaitingIntegerT0 = 0; |
| 862 | t0->bClockStop = 0; |
| 863 | break; |
| 864 | case 1: |
| 865 | /* TODO: unimplemented ATR T1 parameters */ |
| 866 | t1->bmFindexDindex = 0; |
| 867 | t1->bmTCCKST1 = 0; |
| 868 | t1->bGuardTimeT1 = 0; |
| 869 | t1->bWaitingIntegerT1 = 0; |
| 870 | t1->bClockStop = 0; |
| 871 | t1->bIFSC = 0; |
| 872 | t1->bNadValue = 0; |
| 873 | break; |
| 874 | default: |
| 875 | DPRINTF(s, D_WARN, "%s: error: unsupported ATR protocol %d\n", |
| 876 | __func__, atr_protocol_num); |
| 877 | } |
| 878 | ccid_write_data_block(s, recv->bSlot, recv->bSeq, atr, len); |
| 879 | } |
| 880 | |
| 881 | static void ccid_set_parameters(USBCCIDState *s, CCID_Header *recv) |
| 882 | { |
| 883 | CCID_SetParameters *ph = (CCID_SetParameters *) recv; |
| 884 | uint32_t protocol_num = ph->bProtocolNum & 3; |
| 885 | |
| 886 | if (protocol_num != 0 && protocol_num != 1) { |
| 887 | ccid_report_error_failed(s, ERROR_CMD_NOT_SUPPORTED); |
| 888 | return; |
| 889 | } |
| 890 | s->bProtocolNum = protocol_num; |
| 891 | s->abProtocolDataStructure = ph->abProtocolDataStructure; |
| 892 | } |
| 893 | |
| 894 | /* |
| 895 | * must be 5 bytes for T=0, 7 bytes for T=1 |
| 896 | * See page 52 |
| 897 | */ |
| 898 | static const CCID_ProtocolDataStructure defaultProtocolDataStructure = { |
| 899 | .t1 = { |
| 900 | .bmFindexDindex = 0x77, |
| 901 | .bmTCCKST1 = 0x00, |
| 902 | .bGuardTimeT1 = 0x00, |
| 903 | .bWaitingIntegerT1 = 0x00, |
| 904 | .bClockStop = 0x00, |
| 905 | .bIFSC = 0xfe, |
| 906 | .bNadValue = 0x00, |
| 907 | } |
| 908 | }; |
| 909 | |
| 910 | static void ccid_reset_parameters(USBCCIDState *s) |
| 911 | { |
| 912 | s->bProtocolNum = 0; /* T=0 */ |
| 913 | s->abProtocolDataStructure = defaultProtocolDataStructure; |
| 914 | } |
| 915 | |
| 916 | /* NOTE: only a single slot is supported (SLOT_0) */ |
| 917 | static void ccid_on_slot_change(USBCCIDState *s, bool full) |
| 918 | { |
| 919 | /* RDR_to_PC_NotifySlotChange, 6.3.1 page 56 */ |
| 920 | uint8_t current = s->bmSlotICCState; |
| 921 | if (full) { |
| 922 | s->bmSlotICCState |= SLOT_0_STATE_MASK; |
| 923 | } else { |
| 924 | s->bmSlotICCState &= ~SLOT_0_STATE_MASK; |
| 925 | } |
| 926 | if (current != s->bmSlotICCState) { |
| 927 | s->bmSlotICCState |= SLOT_0_CHANGED_MASK; |
| 928 | } |
| 929 | s->notify_slot_change = true; |
| 930 | usb_wakeup(s->intr, 0); |
| 931 | } |
| 932 | |
| 933 | static void ccid_write_data_block_error( |
| 934 | USBCCIDState *s, uint8_t slot, uint8_t seq) |
| 935 | { |
| 936 | ccid_write_data_block(s, slot, seq, NULL, 0); |
| 937 | } |
| 938 | |
| 939 | static void ccid_on_apdu_from_guest(USBCCIDState *s, CCID_XferBlock *recv) |
| 940 | { |
| 941 | uint32_t len; |
| 942 | |
| 943 | if (ccid_card_status(s) != ICC_STATUS_PRESENT_ACTIVE) { |
| 944 | DPRINTF(s, 1, |
| 945 | "usb-ccid: not sending apdu to client, no card connected\n"); |
| 946 | ccid_write_data_block_error(s, recv->hdr.bSlot, recv->hdr.bSeq); |
| 947 | return; |
| 948 | } |
| 949 | len = le32_to_cpu(recv->hdr.dwLength); |
| 950 | DPRINTF(s, 1, "%s: seq %d, len %u\n", __func__, |
| 951 | recv->hdr.bSeq, len); |
| 952 | ccid_add_pending_answer(s, (CCID_Header *)recv); |
| 953 | if (s->card && len <= BULK_OUT_DATA_SIZE) { |
| 954 | ccid_card_apdu_from_guest(s->card, recv->abData, len); |
| 955 | } else { |
| 956 | DPRINTF(s, D_WARN, "warning: discarded apdu\n"); |
| 957 | } |
| 958 | } |
| 959 | |
| 960 | static const char *ccid_message_type_to_str(uint8_t type) |
| 961 | { |
| 962 | switch (type) { |
| 963 | case CCID_MESSAGE_TYPE_PC_to_RDR_IccPowerOn: return "IccPowerOn"; |
| 964 | case CCID_MESSAGE_TYPE_PC_to_RDR_IccPowerOff: return "IccPowerOff"; |
| 965 | case CCID_MESSAGE_TYPE_PC_to_RDR_GetSlotStatus: return "GetSlotStatus"; |
| 966 | case CCID_MESSAGE_TYPE_PC_to_RDR_XfrBlock: return "XfrBlock"; |
| 967 | case CCID_MESSAGE_TYPE_PC_to_RDR_GetParameters: return "GetParameters"; |
| 968 | case CCID_MESSAGE_TYPE_PC_to_RDR_ResetParameters: return "ResetParameters"; |
| 969 | case CCID_MESSAGE_TYPE_PC_to_RDR_SetParameters: return "SetParameters"; |
| 970 | case CCID_MESSAGE_TYPE_PC_to_RDR_Escape: return "Escape"; |
| 971 | case CCID_MESSAGE_TYPE_PC_to_RDR_IccClock: return "IccClock"; |
| 972 | case CCID_MESSAGE_TYPE_PC_to_RDR_T0APDU: return "T0APDU"; |
| 973 | case CCID_MESSAGE_TYPE_PC_to_RDR_Secure: return "Secure"; |
| 974 | case CCID_MESSAGE_TYPE_PC_to_RDR_Mechanical: return "Mechanical"; |
| 975 | case CCID_MESSAGE_TYPE_PC_to_RDR_Abort: return "Abort"; |
| 976 | case CCID_MESSAGE_TYPE_PC_to_RDR_SetDataRateAndClockFrequency: |
| 977 | return "SetDataRateAndClockFrequency"; |
| 978 | } |
| 979 | return "unknown"; |
| 980 | } |
| 981 | |
| 982 | static void ccid_handle_bulk_out(USBCCIDState *s, USBPacket *p) |
| 983 | { |
| 984 | CCID_Header *ccid_header; |
| 985 | |
| 986 | if (p->iov.size + s->bulk_out_pos > BULK_OUT_DATA_SIZE) { |
| 987 | goto err; |
| 988 | } |
| 989 | usb_packet_copy(p, s->bulk_out_data + s->bulk_out_pos, p->iov.size); |
| 990 | s->bulk_out_pos += p->iov.size; |
| 991 | if (s->bulk_out_pos < 10) { |
| 992 | DPRINTF(s, 1, "%s: header incomplete\n", __func__); |
| 993 | goto err; |
| 994 | } |
| 995 | |
| 996 | ccid_header = (CCID_Header *)s->bulk_out_data; |
| 997 | if ((s->bulk_out_pos - 10 < ccid_header->dwLength) && |
| 998 | (p->iov.size == CCID_MAX_PACKET_SIZE)) { |
| 999 | DPRINTF(s, D_VERBOSE, |
| 1000 | "usb-ccid: bulk_in: expecting more packets (%u/%u)\n", |
| 1001 | s->bulk_out_pos - 10, ccid_header->dwLength); |
| 1002 | return; |
| 1003 | } |
| 1004 | if (s->bulk_out_pos - 10 != ccid_header->dwLength) { |
| 1005 | DPRINTF(s, 1, |
| 1006 | "usb-ccid: bulk_in: message size mismatch (got %u, expected %u)\n", |
| 1007 | s->bulk_out_pos - 10, ccid_header->dwLength); |
| 1008 | goto err; |
| 1009 | } |
| 1010 | |
| 1011 | DPRINTF(s, D_MORE_INFO, "%s %x %s\n", __func__, |
| 1012 | ccid_header->bMessageType, |
| 1013 | ccid_message_type_to_str(ccid_header->bMessageType)); |
| 1014 | switch (ccid_header->bMessageType) { |
| 1015 | case CCID_MESSAGE_TYPE_PC_to_RDR_GetSlotStatus: |
| 1016 | ccid_write_slot_status(s, ccid_header); |
| 1017 | break; |
| 1018 | case CCID_MESSAGE_TYPE_PC_to_RDR_IccPowerOn: |
| 1019 | DPRINTF(s, 1, "%s: PowerOn: %d\n", __func__, |
| 1020 | ((CCID_IccPowerOn *)(ccid_header))->bPowerSelect); |
| 1021 | s->powered = true; |
| 1022 | if (!ccid_card_inserted(s)) { |
| 1023 | ccid_report_error_failed(s, ERROR_ICC_MUTE); |
| 1024 | } |
| 1025 | /* atr is written regardless of error. */ |
| 1026 | ccid_write_data_block_atr(s, ccid_header); |
| 1027 | break; |
| 1028 | case CCID_MESSAGE_TYPE_PC_to_RDR_IccPowerOff: |
| 1029 | ccid_reset_error_status(s); |
| 1030 | s->powered = false; |
| 1031 | ccid_write_slot_status(s, ccid_header); |
| 1032 | break; |
| 1033 | case CCID_MESSAGE_TYPE_PC_to_RDR_XfrBlock: |
| 1034 | ccid_on_apdu_from_guest(s, (CCID_XferBlock *)s->bulk_out_data); |
| 1035 | break; |
| 1036 | case CCID_MESSAGE_TYPE_PC_to_RDR_SetParameters: |
| 1037 | ccid_reset_error_status(s); |
| 1038 | ccid_set_parameters(s, ccid_header); |
| 1039 | ccid_write_parameters(s, ccid_header); |
| 1040 | break; |
| 1041 | case CCID_MESSAGE_TYPE_PC_to_RDR_ResetParameters: |
| 1042 | ccid_reset_error_status(s); |
| 1043 | ccid_reset_parameters(s); |
| 1044 | ccid_write_parameters(s, ccid_header); |
| 1045 | break; |
| 1046 | case CCID_MESSAGE_TYPE_PC_to_RDR_GetParameters: |
| 1047 | ccid_reset_error_status(s); |
| 1048 | ccid_write_parameters(s, ccid_header); |
| 1049 | break; |
| 1050 | case CCID_MESSAGE_TYPE_PC_to_RDR_Mechanical: |
| 1051 | ccid_report_error_failed(s, 0); |
| 1052 | ccid_write_slot_status(s, ccid_header); |
| 1053 | break; |
| 1054 | default: |
| 1055 | DPRINTF(s, 1, |
| 1056 | "handle_data: ERROR: unhandled message type %Xh\n", |
| 1057 | ccid_header->bMessageType); |
| 1058 | /* |
| 1059 | * The caller is expecting the device to respond, tell it we |
| 1060 | * don't support the operation. |
| 1061 | */ |
| 1062 | ccid_report_error_failed(s, ERROR_CMD_NOT_SUPPORTED); |
| 1063 | ccid_write_slot_status(s, ccid_header); |
| 1064 | break; |
| 1065 | } |
| 1066 | s->bulk_out_pos = 0; |
| 1067 | return; |
| 1068 | |
| 1069 | err: |
| 1070 | p->status = USB_RET_STALL; |
| 1071 | s->bulk_out_pos = 0; |
| 1072 | } |
| 1073 | |
| 1074 | static void ccid_bulk_in_copy_to_guest(USBCCIDState *s, USBPacket *p, |
| 1075 | unsigned int max_packet_size) |
| 1076 | { |
| 1077 | int len = 0; |
| 1078 | |
| 1079 | ccid_bulk_in_get(s); |
| 1080 | if (s->current_bulk_in != NULL) { |
| 1081 | len = MIN(s->current_bulk_in->len - s->current_bulk_in->pos, |
| 1082 | p->iov.size); |
| 1083 | if (len) { |
| 1084 | usb_packet_copy(p, s->current_bulk_in->data + |
| 1085 | s->current_bulk_in->pos, len); |
| 1086 | } |
| 1087 | s->current_bulk_in->pos += len; |
| 1088 | if (s->current_bulk_in->pos == s->current_bulk_in->len |
| 1089 | && len != max_packet_size) { |
| 1090 | ccid_bulk_in_release(s); |
| 1091 | } |
| 1092 | } else { |
| 1093 | /* return when device has no data - usb 2.0 spec Table 8-4 */ |
| 1094 | p->status = USB_RET_NAK; |
| 1095 | } |
| 1096 | if (len) { |
| 1097 | DPRINTF(s, D_MORE_INFO, |
| 1098 | "%s: %zd/%d req/act to guest (BULK_IN)\n", |
| 1099 | __func__, p->iov.size, len); |
| 1100 | } |
| 1101 | if (len < p->iov.size) { |
| 1102 | DPRINTF(s, 1, |
| 1103 | "%s: returning short (EREMOTEIO) %d < %zd\n", |
| 1104 | __func__, len, p->iov.size); |
| 1105 | } |
| 1106 | } |
| 1107 | |
| 1108 | static void ccid_handle_data(USBDevice *dev, USBPacket *p) |
| 1109 | { |
| 1110 | USBCCIDState *s = USB_CCID_DEV(dev); |
| 1111 | uint8_t buf[2]; |
| 1112 | |
| 1113 | switch (p->pid) { |
| 1114 | case USB_TOKEN_OUT: |
| 1115 | ccid_handle_bulk_out(s, p); |
| 1116 | break; |
| 1117 | |
| 1118 | case USB_TOKEN_IN: |
| 1119 | switch (p->ep->nr) { |
| 1120 | case CCID_BULK_IN_EP: |
| 1121 | ccid_bulk_in_copy_to_guest(s, p, dev->ep_ctl.max_packet_size); |
| 1122 | break; |
| 1123 | case CCID_INT_IN_EP: |
| 1124 | if (s->notify_slot_change) { |
| 1125 | /* page 56, RDR_to_PC_NotifySlotChange */ |
| 1126 | buf[0] = CCID_MESSAGE_TYPE_RDR_to_PC_NotifySlotChange; |
| 1127 | buf[1] = s->bmSlotICCState; |
| 1128 | usb_packet_copy(p, buf, 2); |
| 1129 | s->notify_slot_change = false; |
| 1130 | s->bmSlotICCState &= ~SLOT_0_CHANGED_MASK; |
| 1131 | DPRINTF(s, D_INFO, |
| 1132 | "handle_data: int_in: notify_slot_change %X, " |
| 1133 | "requested len %zd\n", |
| 1134 | s->bmSlotICCState, p->iov.size); |
| 1135 | } else { |
| 1136 | p->status = USB_RET_NAK; |
| 1137 | } |
| 1138 | break; |
| 1139 | default: |
| 1140 | DPRINTF(s, 1, "Bad endpoint\n"); |
| 1141 | p->status = USB_RET_STALL; |
| 1142 | break; |
| 1143 | } |
| 1144 | break; |
| 1145 | default: |
| 1146 | DPRINTF(s, 1, "Bad token\n"); |
| 1147 | p->status = USB_RET_STALL; |
| 1148 | break; |
| 1149 | } |
| 1150 | } |
| 1151 | |
| 1152 | static void ccid_unrealize(USBDevice *dev) |
| 1153 | { |
| 1154 | USBCCIDState *s = USB_CCID_DEV(dev); |
| 1155 | |
| 1156 | ccid_bulk_in_clear(s); |
| 1157 | } |
| 1158 | |
| 1159 | static void ccid_flush_pending_answers(USBCCIDState *s) |
| 1160 | { |
| 1161 | while (ccid_has_pending_answers(s)) { |
| 1162 | ccid_write_data_block_answer(s, NULL, 0); |
| 1163 | } |
| 1164 | } |
| 1165 | |
| 1166 | static Answer *ccid_peek_next_answer(USBCCIDState *s) |
| 1167 | { |
| 1168 | return s->pending_answers_num == 0 |
| 1169 | ? NULL |
| 1170 | : &s->pending_answers[s->pending_answers_start % PENDING_ANSWERS_NUM]; |
| 1171 | } |
| 1172 | |
| 1173 | static const Property ccid_props[] = { |
| 1174 | DEFINE_PROP_UINT32("slot", struct CCIDCardState, slot, 0), |
| 1175 | }; |
| 1176 | |
| 1177 | static const TypeInfo ccid_bus_info = { |
| 1178 | .name = TYPE_CCID_BUS, |
| 1179 | .parent = TYPE_BUS, |
| 1180 | .instance_size = sizeof(CCIDBus), |
| 1181 | }; |
| 1182 | |
| 1183 | void ccid_card_send_apdu_to_guest(CCIDCardState *card, |
| 1184 | uint8_t *apdu, uint32_t len) |
| 1185 | { |
| 1186 | DeviceState *qdev = DEVICE(card); |
| 1187 | USBDevice *dev = USB_DEVICE(qdev->parent_bus->parent); |
| 1188 | USBCCIDState *s = USB_CCID_DEV(dev); |
| 1189 | Answer *answer; |
| 1190 | |
| 1191 | if (!ccid_has_pending_answers(s)) { |
| 1192 | DPRINTF(s, 1, "CCID ERROR: got an APDU without pending answers\n"); |
| 1193 | return; |
| 1194 | } |
| 1195 | s->bmCommandStatus = COMMAND_STATUS_NO_ERROR; |
| 1196 | answer = ccid_peek_next_answer(s); |
| 1197 | if (answer == NULL) { |
| 1198 | DPRINTF(s, D_WARN, "%s: error: unexpected lack of answer\n", __func__); |
| 1199 | ccid_report_error_failed(s, ERROR_HW_ERROR); |
| 1200 | return; |
| 1201 | } |
| 1202 | DPRINTF(s, 1, "APDU returned to guest %u (answer seq %d, slot %d)\n", |
| 1203 | len, answer->seq, answer->slot); |
| 1204 | ccid_write_data_block_answer(s, apdu, len); |
| 1205 | } |
| 1206 | |
| 1207 | void ccid_card_card_removed(CCIDCardState *card) |
| 1208 | { |
| 1209 | DeviceState *qdev = DEVICE(card); |
| 1210 | USBDevice *dev = USB_DEVICE(qdev->parent_bus->parent); |
| 1211 | USBCCIDState *s = USB_CCID_DEV(dev); |
| 1212 | |
| 1213 | ccid_on_slot_change(s, false); |
| 1214 | ccid_flush_pending_answers(s); |
| 1215 | ccid_reset(s); |
| 1216 | } |
| 1217 | |
| 1218 | int ccid_card_ccid_attach(CCIDCardState *card) |
| 1219 | { |
| 1220 | DeviceState *qdev = DEVICE(card); |
| 1221 | USBDevice *dev = USB_DEVICE(qdev->parent_bus->parent); |
| 1222 | USBCCIDState *s = USB_CCID_DEV(dev); |
| 1223 | |
| 1224 | DPRINTF(s, 1, "CCID Attach\n"); |
| 1225 | return 0; |
| 1226 | } |
| 1227 | |
| 1228 | void ccid_card_ccid_detach(CCIDCardState *card) |
| 1229 | { |
| 1230 | DeviceState *qdev = DEVICE(card); |
| 1231 | USBDevice *dev = USB_DEVICE(qdev->parent_bus->parent); |
| 1232 | USBCCIDState *s = USB_CCID_DEV(dev); |
| 1233 | |
| 1234 | DPRINTF(s, 1, "CCID Detach\n"); |
| 1235 | if (ccid_card_inserted(s)) { |
| 1236 | ccid_on_slot_change(s, false); |
| 1237 | } |
| 1238 | ccid_detach(s); |
| 1239 | } |
| 1240 | |
| 1241 | void ccid_card_card_error(CCIDCardState *card, uint64_t error) |
| 1242 | { |
| 1243 | DeviceState *qdev = DEVICE(card); |
| 1244 | USBDevice *dev = USB_DEVICE(qdev->parent_bus->parent); |
| 1245 | USBCCIDState *s = USB_CCID_DEV(dev); |
| 1246 | |
| 1247 | s->bmCommandStatus = COMMAND_STATUS_FAILED; |
| 1248 | s->last_answer_error = error; |
| 1249 | DPRINTF(s, 1, "VSC_Error: %" PRIX64 "\n", s->last_answer_error); |
| 1250 | /* TODO: these errors should be more verbose and propagated to the guest.*/ |
| 1251 | /* |
| 1252 | * We flush all pending answers on CardRemove message in ccid-card-passthru, |
| 1253 | * so check that first to not trigger abort |
| 1254 | */ |
| 1255 | if (ccid_has_pending_answers(s)) { |
| 1256 | ccid_write_data_block_answer(s, NULL, 0); |
| 1257 | } |
| 1258 | } |
| 1259 | |
| 1260 | void ccid_card_card_inserted(CCIDCardState *card) |
| 1261 | { |
| 1262 | DeviceState *qdev = DEVICE(card); |
| 1263 | USBDevice *dev = USB_DEVICE(qdev->parent_bus->parent); |
| 1264 | USBCCIDState *s = USB_CCID_DEV(dev); |
| 1265 | |
| 1266 | s->bmCommandStatus = COMMAND_STATUS_NO_ERROR; |
| 1267 | ccid_flush_pending_answers(s); |
| 1268 | ccid_on_slot_change(s, true); |
| 1269 | } |
| 1270 | |
| 1271 | static void ccid_card_unrealize(DeviceState *qdev) |
| 1272 | { |
| 1273 | CCIDCardState *card = CCID_CARD(qdev); |
| 1274 | CCIDCardClass *cc = CCID_CARD_GET_CLASS(card); |
| 1275 | USBDevice *dev = USB_DEVICE(qdev->parent_bus->parent); |
| 1276 | USBCCIDState *s = USB_CCID_DEV(dev); |
| 1277 | |
| 1278 | if (ccid_card_inserted(s)) { |
| 1279 | ccid_card_card_removed(card); |
| 1280 | } |
| 1281 | if (cc->unrealize) { |
| 1282 | cc->unrealize(card); |
| 1283 | } |
| 1284 | s->card = NULL; |
| 1285 | } |
| 1286 | |
| 1287 | static void ccid_card_realize(DeviceState *qdev, Error **errp) |
| 1288 | { |
| 1289 | CCIDCardState *card = CCID_CARD(qdev); |
| 1290 | CCIDCardClass *cc = CCID_CARD_GET_CLASS(card); |
| 1291 | USBDevice *dev = USB_DEVICE(qdev->parent_bus->parent); |
| 1292 | USBCCIDState *s = USB_CCID_DEV(dev); |
| 1293 | Error *local_err = NULL; |
| 1294 | |
| 1295 | if (card->slot != 0) { |
| 1296 | error_setg(errp, "usb-ccid supports one slot, can't add %d", |
| 1297 | card->slot); |
| 1298 | return; |
| 1299 | } |
| 1300 | if (s->card != NULL) { |
| 1301 | error_setg(errp, "usb-ccid card already full, not adding"); |
| 1302 | return; |
| 1303 | } |
| 1304 | if (cc->realize) { |
| 1305 | cc->realize(card, &local_err); |
| 1306 | if (local_err != NULL) { |
| 1307 | error_propagate(errp, local_err); |
| 1308 | return; |
| 1309 | } |
| 1310 | } |
| 1311 | s->card = card; |
| 1312 | } |
| 1313 | |
| 1314 | static void ccid_realize(USBDevice *dev, Error **errp) |
| 1315 | { |
| 1316 | USBCCIDState *s = USB_CCID_DEV(dev); |
| 1317 | |
| 1318 | usb_desc_create_serial(dev); |
| 1319 | usb_desc_init(dev); |
| 1320 | qbus_init(&s->bus, sizeof(s->bus), TYPE_CCID_BUS, DEVICE(dev), NULL); |
| 1321 | qbus_set_hotplug_handler(BUS(&s->bus), OBJECT(dev)); |
| 1322 | s->intr = usb_ep_get(dev, USB_TOKEN_IN, CCID_INT_IN_EP); |
| 1323 | s->bulk = usb_ep_get(dev, USB_TOKEN_IN, CCID_BULK_IN_EP); |
| 1324 | s->card = NULL; |
| 1325 | s->dev.speed = USB_SPEED_FULL; |
| 1326 | s->dev.speedmask = USB_SPEED_MASK_FULL; |
| 1327 | s->notify_slot_change = false; |
| 1328 | s->powered = true; |
| 1329 | s->pending_answers_num = 0; |
| 1330 | s->last_answer_error = 0; |
| 1331 | s->bulk_in_pending_start = 0; |
| 1332 | s->bulk_in_pending_end = 0; |
| 1333 | s->current_bulk_in = NULL; |
| 1334 | ccid_reset_error_status(s); |
| 1335 | s->bulk_out_pos = 0; |
| 1336 | ccid_reset_parameters(s); |
| 1337 | ccid_reset(s); |
| 1338 | s->debug = parse_debug_env("QEMU_CCID_DEBUG", D_VERBOSE, s->debug); |
| 1339 | } |
| 1340 | |
| 1341 | static int ccid_post_load(void *opaque, int version_id) |
| 1342 | { |
| 1343 | USBCCIDState *s = opaque; |
| 1344 | |
| 1345 | /* |
| 1346 | * This must be done after usb_device_attach, which sets state to ATTACHED, |
| 1347 | * while it must be DEFAULT in order to accept packets (like it is after |
| 1348 | * reset, but reset will reset our addr and call our reset handler which |
| 1349 | * may change state, and we don't want to do that when migrating). |
| 1350 | */ |
| 1351 | s->dev.state = s->state_vmstate; |
| 1352 | return 0; |
| 1353 | } |
| 1354 | |
| 1355 | static int ccid_pre_save(void *opaque) |
| 1356 | { |
| 1357 | USBCCIDState *s = opaque; |
| 1358 | |
| 1359 | s->state_vmstate = s->dev.state; |
| 1360 | |
| 1361 | return 0; |
| 1362 | } |
| 1363 | |
| 1364 | static const VMStateDescription bulk_in_vmstate = { |
| 1365 | .name = "CCID BulkIn state", |
| 1366 | .version_id = 1, |
| 1367 | .minimum_version_id = 1, |
| 1368 | .fields = (const VMStateField[]) { |
| 1369 | VMSTATE_BUFFER(data, BulkIn), |
| 1370 | VMSTATE_UINT32(len, BulkIn), |
| 1371 | VMSTATE_UINT32(pos, BulkIn), |
| 1372 | VMSTATE_END_OF_LIST() |
| 1373 | } |
| 1374 | }; |
| 1375 | |
| 1376 | static const VMStateDescription answer_vmstate = { |
| 1377 | .name = "CCID Answer state", |
| 1378 | .version_id = 1, |
| 1379 | .minimum_version_id = 1, |
| 1380 | .fields = (const VMStateField[]) { |
| 1381 | VMSTATE_UINT8(slot, Answer), |
| 1382 | VMSTATE_UINT8(seq, Answer), |
| 1383 | VMSTATE_END_OF_LIST() |
| 1384 | } |
| 1385 | }; |
| 1386 | |
| 1387 | static const VMStateDescription usb_device_vmstate = { |
| 1388 | .name = "usb_device", |
| 1389 | .version_id = 1, |
| 1390 | .minimum_version_id = 1, |
| 1391 | .fields = (const VMStateField[]) { |
| 1392 | VMSTATE_UINT8(addr, USBDevice), |
| 1393 | VMSTATE_BUFFER(setup_buf, USBDevice), |
| 1394 | VMSTATE_BUFFER(data_buf, USBDevice), |
| 1395 | VMSTATE_END_OF_LIST() |
| 1396 | } |
| 1397 | }; |
| 1398 | |
| 1399 | static const VMStateDescription ccid_vmstate = { |
| 1400 | .name = "usb-ccid", |
| 1401 | .version_id = 1, |
| 1402 | .minimum_version_id = 1, |
| 1403 | .post_load = ccid_post_load, |
| 1404 | .pre_save = ccid_pre_save, |
| 1405 | .fields = (const VMStateField[]) { |
| 1406 | VMSTATE_STRUCT(dev, USBCCIDState, 1, usb_device_vmstate, USBDevice), |
| 1407 | VMSTATE_UINT8(debug, USBCCIDState), |
| 1408 | VMSTATE_BUFFER(bulk_out_data, USBCCIDState), |
| 1409 | VMSTATE_UINT32(bulk_out_pos, USBCCIDState), |
| 1410 | VMSTATE_UINT8(bmSlotICCState, USBCCIDState), |
| 1411 | VMSTATE_UINT8(powered, USBCCIDState), |
| 1412 | VMSTATE_UINT8(notify_slot_change, USBCCIDState), |
| 1413 | VMSTATE_UINT64(last_answer_error, USBCCIDState), |
| 1414 | VMSTATE_UINT8(bError, USBCCIDState), |
| 1415 | VMSTATE_UINT8(bmCommandStatus, USBCCIDState), |
| 1416 | VMSTATE_UINT8(bProtocolNum, USBCCIDState), |
| 1417 | VMSTATE_BUFFER(abProtocolDataStructure.data, USBCCIDState), |
| 1418 | VMSTATE_UINT32(ulProtocolDataStructureSize, USBCCIDState), |
| 1419 | VMSTATE_STRUCT_ARRAY(bulk_in_pending, USBCCIDState, |
| 1420 | BULK_IN_PENDING_NUM, 1, bulk_in_vmstate, BulkIn), |
| 1421 | VMSTATE_UINT32(bulk_in_pending_start, USBCCIDState), |
| 1422 | VMSTATE_UINT32(bulk_in_pending_end, USBCCIDState), |
| 1423 | VMSTATE_STRUCT_ARRAY(pending_answers, USBCCIDState, |
| 1424 | PENDING_ANSWERS_NUM, 1, answer_vmstate, Answer), |
| 1425 | VMSTATE_UINT32(pending_answers_num, USBCCIDState), |
| 1426 | VMSTATE_UNUSED(1), /* was migration_state */ |
| 1427 | VMSTATE_UINT32(state_vmstate, USBCCIDState), |
| 1428 | VMSTATE_END_OF_LIST() |
| 1429 | } |
| 1430 | }; |
| 1431 | |
| 1432 | static const Property ccid_properties[] = { |
| 1433 | DEFINE_PROP_UINT8("debug", USBCCIDState, debug, 0), |
| 1434 | }; |
| 1435 | |
| 1436 | static void ccid_class_initfn(ObjectClass *klass, const void *data) |
| 1437 | { |
| 1438 | DeviceClass *dc = DEVICE_CLASS(klass); |
| 1439 | USBDeviceClass *uc = USB_DEVICE_CLASS(klass); |
| 1440 | HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass); |
| 1441 | |
| 1442 | uc->realize = ccid_realize; |
| 1443 | uc->product_desc = "QEMU USB CCID"; |
| 1444 | uc->usb_desc = &desc_ccid; |
| 1445 | uc->handle_reset = ccid_handle_reset; |
| 1446 | uc->handle_control = ccid_handle_control; |
| 1447 | uc->handle_data = ccid_handle_data; |
| 1448 | uc->unrealize = ccid_unrealize; |
| 1449 | dc->desc = "CCID Rev 1.1 smartcard reader"; |
| 1450 | dc->vmsd = &ccid_vmstate; |
| 1451 | device_class_set_props(dc, ccid_properties); |
| 1452 | set_bit(DEVICE_CATEGORY_INPUT, dc->categories); |
| 1453 | hc->unplug = qdev_simple_device_unplug_cb; |
| 1454 | } |
| 1455 | |
| 1456 | static const TypeInfo ccid_info = { |
| 1457 | .name = TYPE_USB_CCID_DEV, |
| 1458 | .parent = TYPE_USB_DEVICE, |
| 1459 | .instance_size = sizeof(USBCCIDState), |
| 1460 | .class_init = ccid_class_initfn, |
| 1461 | .interfaces = (const InterfaceInfo[]) { |
| 1462 | { TYPE_HOTPLUG_HANDLER }, |
| 1463 | { } |
| 1464 | } |
| 1465 | }; |
| 1466 | |
| 1467 | static void ccid_card_class_init(ObjectClass *klass, const void *data) |
| 1468 | { |
| 1469 | DeviceClass *k = DEVICE_CLASS(klass); |
| 1470 | k->bus_type = TYPE_CCID_BUS; |
| 1471 | k->realize = ccid_card_realize; |
| 1472 | k->unrealize = ccid_card_unrealize; |
| 1473 | device_class_set_props(k, ccid_props); |
| 1474 | } |
| 1475 | |
| 1476 | static const TypeInfo ccid_card_type_info = { |
| 1477 | .name = TYPE_CCID_CARD, |
| 1478 | .parent = TYPE_DEVICE, |
| 1479 | .instance_size = sizeof(CCIDCardState), |
| 1480 | .abstract = true, |
| 1481 | .class_size = sizeof(CCIDCardClass), |
| 1482 | .class_init = ccid_card_class_init, |
| 1483 | }; |
| 1484 | |
| 1485 | static void ccid_register_types(void) |
| 1486 | { |
| 1487 | type_register_static(&ccid_bus_info); |
| 1488 | type_register_static(&ccid_card_type_info); |
| 1489 | type_register_static(&ccid_info); |
| 1490 | } |
| 1491 | |
| 1492 | type_init(ccid_register_types) |