1 /* 2 * USB xHCI controller emulation 3 * 4 * Copyright (c) 2011 Securiforest 5 * Date: 2011-05-11 ; Author: Hector Martin <hector@marcansoft.com> 6 * Based on usb-ohci.c, emulates Renesas NEC USB 3.0 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Lesser General Public 10 * License as published by the Free Software Foundation; either 11 * version 2 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Lesser General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public 19 * License along with this library; if not, see <http://www.gnu.org/licenses/>. 20 */ 21 #include "hw/hw.h" 22 #include "qemu-timer.h" 23 #include "hw/usb.h" 24 #include "hw/pci.h" 25 #include "hw/msi.h" 26 #include "hw/msix.h" 27 #include "trace.h" 28 29 //#define DEBUG_XHCI 30 //#define DEBUG_DATA 31 32 #ifdef DEBUG_XHCI 33 #define DPRINTF(...) fprintf(stderr, __VA_ARGS__) 34 #else 35 #define DPRINTF(...) do {} while (0) 36 #endif 37 #define FIXME() do { fprintf(stderr, "FIXME %s:%d\n", \ 38 __func__, __LINE__); abort(); } while (0) 39 40 #define MAXPORTS_2 8 41 #define MAXPORTS_3 8 42 43 #define MAXPORTS (MAXPORTS_2+MAXPORTS_3) 44 #define MAXSLOTS MAXPORTS 45 #define MAXINTRS 1 /* MAXPORTS */ 46 47 #define TD_QUEUE 24 48 49 /* Very pessimistic, let's hope it's enough for all cases */ 50 #define EV_QUEUE (((3*TD_QUEUE)+16)*MAXSLOTS) 51 /* Do not deliver ER Full events. NEC's driver does some things not bound 52 * to the specs when it gets them */ 53 #define ER_FULL_HACK 54 55 #define LEN_CAP 0x40 56 #define LEN_OPER (0x400 + 0x10 * MAXPORTS) 57 #define LEN_RUNTIME ((MAXINTRS + 1) * 0x20) 58 #define LEN_DOORBELL ((MAXSLOTS + 1) * 0x20) 59 60 #define OFF_OPER LEN_CAP 61 #define OFF_RUNTIME 0x1000 62 #define OFF_DOORBELL 0x2000 63 #define OFF_MSIX_TABLE 0x3000 64 #define OFF_MSIX_PBA 0x3800 65 /* must be power of 2 */ 66 #define LEN_REGS 0x4000 67 68 #if (OFF_OPER + LEN_OPER) > OFF_RUNTIME 69 #error Increase OFF_RUNTIME 70 #endif 71 #if (OFF_RUNTIME + LEN_RUNTIME) > OFF_DOORBELL 72 #error Increase OFF_DOORBELL 73 #endif 74 #if (OFF_DOORBELL + LEN_DOORBELL) > LEN_REGS 75 # error Increase LEN_REGS 76 #endif 77 78 #if MAXINTRS > 1 79 # error TODO: only one interrupter supported 80 #endif 81 82 /* bit definitions */ 83 #define USBCMD_RS (1<<0) 84 #define USBCMD_HCRST (1<<1) 85 #define USBCMD_INTE (1<<2) 86 #define USBCMD_HSEE (1<<3) 87 #define USBCMD_LHCRST (1<<7) 88 #define USBCMD_CSS (1<<8) 89 #define USBCMD_CRS (1<<9) 90 #define USBCMD_EWE (1<<10) 91 #define USBCMD_EU3S (1<<11) 92 93 #define USBSTS_HCH (1<<0) 94 #define USBSTS_HSE (1<<2) 95 #define USBSTS_EINT (1<<3) 96 #define USBSTS_PCD (1<<4) 97 #define USBSTS_SSS (1<<8) 98 #define USBSTS_RSS (1<<9) 99 #define USBSTS_SRE (1<<10) 100 #define USBSTS_CNR (1<<11) 101 #define USBSTS_HCE (1<<12) 102 103 104 #define PORTSC_CCS (1<<0) 105 #define PORTSC_PED (1<<1) 106 #define PORTSC_OCA (1<<3) 107 #define PORTSC_PR (1<<4) 108 #define PORTSC_PLS_SHIFT 5 109 #define PORTSC_PLS_MASK 0xf 110 #define PORTSC_PP (1<<9) 111 #define PORTSC_SPEED_SHIFT 10 112 #define PORTSC_SPEED_MASK 0xf 113 #define PORTSC_SPEED_FULL (1<<10) 114 #define PORTSC_SPEED_LOW (2<<10) 115 #define PORTSC_SPEED_HIGH (3<<10) 116 #define PORTSC_SPEED_SUPER (4<<10) 117 #define PORTSC_PIC_SHIFT 14 118 #define PORTSC_PIC_MASK 0x3 119 #define PORTSC_LWS (1<<16) 120 #define PORTSC_CSC (1<<17) 121 #define PORTSC_PEC (1<<18) 122 #define PORTSC_WRC (1<<19) 123 #define PORTSC_OCC (1<<20) 124 #define PORTSC_PRC (1<<21) 125 #define PORTSC_PLC (1<<22) 126 #define PORTSC_CEC (1<<23) 127 #define PORTSC_CAS (1<<24) 128 #define PORTSC_WCE (1<<25) 129 #define PORTSC_WDE (1<<26) 130 #define PORTSC_WOE (1<<27) 131 #define PORTSC_DR (1<<30) 132 #define PORTSC_WPR (1<<31) 133 134 #define CRCR_RCS (1<<0) 135 #define CRCR_CS (1<<1) 136 #define CRCR_CA (1<<2) 137 #define CRCR_CRR (1<<3) 138 139 #define IMAN_IP (1<<0) 140 #define IMAN_IE (1<<1) 141 142 #define ERDP_EHB (1<<3) 143 144 #define TRB_SIZE 16 145 typedef struct XHCITRB { 146 uint64_t parameter; 147 uint32_t status; 148 uint32_t control; 149 dma_addr_t addr; 150 bool ccs; 151 } XHCITRB; 152 153 154 typedef enum TRBType { 155 TRB_RESERVED = 0, 156 TR_NORMAL, 157 TR_SETUP, 158 TR_DATA, 159 TR_STATUS, 160 TR_ISOCH, 161 TR_LINK, 162 TR_EVDATA, 163 TR_NOOP, 164 CR_ENABLE_SLOT, 165 CR_DISABLE_SLOT, 166 CR_ADDRESS_DEVICE, 167 CR_CONFIGURE_ENDPOINT, 168 CR_EVALUATE_CONTEXT, 169 CR_RESET_ENDPOINT, 170 CR_STOP_ENDPOINT, 171 CR_SET_TR_DEQUEUE, 172 CR_RESET_DEVICE, 173 CR_FORCE_EVENT, 174 CR_NEGOTIATE_BW, 175 CR_SET_LATENCY_TOLERANCE, 176 CR_GET_PORT_BANDWIDTH, 177 CR_FORCE_HEADER, 178 CR_NOOP, 179 ER_TRANSFER = 32, 180 ER_COMMAND_COMPLETE, 181 ER_PORT_STATUS_CHANGE, 182 ER_BANDWIDTH_REQUEST, 183 ER_DOORBELL, 184 ER_HOST_CONTROLLER, 185 ER_DEVICE_NOTIFICATION, 186 ER_MFINDEX_WRAP, 187 /* vendor specific bits */ 188 CR_VENDOR_VIA_CHALLENGE_RESPONSE = 48, 189 CR_VENDOR_NEC_FIRMWARE_REVISION = 49, 190 CR_VENDOR_NEC_CHALLENGE_RESPONSE = 50, 191 } TRBType; 192 193 #define CR_LINK TR_LINK 194 195 typedef enum TRBCCode { 196 CC_INVALID = 0, 197 CC_SUCCESS, 198 CC_DATA_BUFFER_ERROR, 199 CC_BABBLE_DETECTED, 200 CC_USB_TRANSACTION_ERROR, 201 CC_TRB_ERROR, 202 CC_STALL_ERROR, 203 CC_RESOURCE_ERROR, 204 CC_BANDWIDTH_ERROR, 205 CC_NO_SLOTS_ERROR, 206 CC_INVALID_STREAM_TYPE_ERROR, 207 CC_SLOT_NOT_ENABLED_ERROR, 208 CC_EP_NOT_ENABLED_ERROR, 209 CC_SHORT_PACKET, 210 CC_RING_UNDERRUN, 211 CC_RING_OVERRUN, 212 CC_VF_ER_FULL, 213 CC_PARAMETER_ERROR, 214 CC_BANDWIDTH_OVERRUN, 215 CC_CONTEXT_STATE_ERROR, 216 CC_NO_PING_RESPONSE_ERROR, 217 CC_EVENT_RING_FULL_ERROR, 218 CC_INCOMPATIBLE_DEVICE_ERROR, 219 CC_MISSED_SERVICE_ERROR, 220 CC_COMMAND_RING_STOPPED, 221 CC_COMMAND_ABORTED, 222 CC_STOPPED, 223 CC_STOPPED_LENGTH_INVALID, 224 CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR = 29, 225 CC_ISOCH_BUFFER_OVERRUN = 31, 226 CC_EVENT_LOST_ERROR, 227 CC_UNDEFINED_ERROR, 228 CC_INVALID_STREAM_ID_ERROR, 229 CC_SECONDARY_BANDWIDTH_ERROR, 230 CC_SPLIT_TRANSACTION_ERROR 231 } TRBCCode; 232 233 #define TRB_C (1<<0) 234 #define TRB_TYPE_SHIFT 10 235 #define TRB_TYPE_MASK 0x3f 236 #define TRB_TYPE(t) (((t).control >> TRB_TYPE_SHIFT) & TRB_TYPE_MASK) 237 238 #define TRB_EV_ED (1<<2) 239 240 #define TRB_TR_ENT (1<<1) 241 #define TRB_TR_ISP (1<<2) 242 #define TRB_TR_NS (1<<3) 243 #define TRB_TR_CH (1<<4) 244 #define TRB_TR_IOC (1<<5) 245 #define TRB_TR_IDT (1<<6) 246 #define TRB_TR_TBC_SHIFT 7 247 #define TRB_TR_TBC_MASK 0x3 248 #define TRB_TR_BEI (1<<9) 249 #define TRB_TR_TLBPC_SHIFT 16 250 #define TRB_TR_TLBPC_MASK 0xf 251 #define TRB_TR_FRAMEID_SHIFT 20 252 #define TRB_TR_FRAMEID_MASK 0x7ff 253 #define TRB_TR_SIA (1<<31) 254 255 #define TRB_TR_DIR (1<<16) 256 257 #define TRB_CR_SLOTID_SHIFT 24 258 #define TRB_CR_SLOTID_MASK 0xff 259 #define TRB_CR_EPID_SHIFT 16 260 #define TRB_CR_EPID_MASK 0x1f 261 262 #define TRB_CR_BSR (1<<9) 263 #define TRB_CR_DC (1<<9) 264 265 #define TRB_LK_TC (1<<1) 266 267 #define TRB_INTR_SHIFT 22 268 #define TRB_INTR_MASK 0x3ff 269 #define TRB_INTR(t) (((t).status >> TRB_INTR_SHIFT) & TRB_INTR_MASK) 270 271 #define EP_TYPE_MASK 0x7 272 #define EP_TYPE_SHIFT 3 273 274 #define EP_STATE_MASK 0x7 275 #define EP_DISABLED (0<<0) 276 #define EP_RUNNING (1<<0) 277 #define EP_HALTED (2<<0) 278 #define EP_STOPPED (3<<0) 279 #define EP_ERROR (4<<0) 280 281 #define SLOT_STATE_MASK 0x1f 282 #define SLOT_STATE_SHIFT 27 283 #define SLOT_STATE(s) (((s)>>SLOT_STATE_SHIFT)&SLOT_STATE_MASK) 284 #define SLOT_ENABLED 0 285 #define SLOT_DEFAULT 1 286 #define SLOT_ADDRESSED 2 287 #define SLOT_CONFIGURED 3 288 289 #define SLOT_CONTEXT_ENTRIES_MASK 0x1f 290 #define SLOT_CONTEXT_ENTRIES_SHIFT 27 291 292 typedef enum EPType { 293 ET_INVALID = 0, 294 ET_ISO_OUT, 295 ET_BULK_OUT, 296 ET_INTR_OUT, 297 ET_CONTROL, 298 ET_ISO_IN, 299 ET_BULK_IN, 300 ET_INTR_IN, 301 } EPType; 302 303 typedef struct XHCIRing { 304 dma_addr_t base; 305 dma_addr_t dequeue; 306 bool ccs; 307 } XHCIRing; 308 309 typedef struct XHCIPort { 310 uint32_t portsc; 311 uint32_t portnr; 312 USBPort *uport; 313 uint32_t speedmask; 314 } XHCIPort; 315 316 struct XHCIState; 317 typedef struct XHCIState XHCIState; 318 319 typedef struct XHCITransfer { 320 XHCIState *xhci; 321 USBPacket packet; 322 QEMUSGList sgl; 323 bool running_async; 324 bool running_retry; 325 bool cancelled; 326 bool complete; 327 unsigned int iso_pkts; 328 unsigned int slotid; 329 unsigned int epid; 330 bool in_xfer; 331 bool iso_xfer; 332 333 unsigned int trb_count; 334 unsigned int trb_alloced; 335 XHCITRB *trbs; 336 337 TRBCCode status; 338 339 unsigned int pkts; 340 unsigned int pktsize; 341 unsigned int cur_pkt; 342 343 uint64_t mfindex_kick; 344 } XHCITransfer; 345 346 typedef struct XHCIEPContext { 347 XHCIState *xhci; 348 unsigned int slotid; 349 unsigned int epid; 350 351 XHCIRing ring; 352 unsigned int next_xfer; 353 unsigned int comp_xfer; 354 XHCITransfer transfers[TD_QUEUE]; 355 XHCITransfer *retry; 356 EPType type; 357 dma_addr_t pctx; 358 unsigned int max_psize; 359 uint32_t state; 360 361 /* iso xfer scheduling */ 362 unsigned int interval; 363 int64_t mfindex_last; 364 QEMUTimer *kick_timer; 365 } XHCIEPContext; 366 367 typedef struct XHCISlot { 368 bool enabled; 369 dma_addr_t ctx; 370 unsigned int port; 371 unsigned int devaddr; 372 XHCIEPContext * eps[31]; 373 } XHCISlot; 374 375 typedef struct XHCIEvent { 376 TRBType type; 377 TRBCCode ccode; 378 uint64_t ptr; 379 uint32_t length; 380 uint32_t flags; 381 uint8_t slotid; 382 uint8_t epid; 383 } XHCIEvent; 384 385 typedef struct XHCIInterrupter { 386 uint32_t iman; 387 uint32_t imod; 388 uint32_t erstsz; 389 uint32_t erstba_low; 390 uint32_t erstba_high; 391 uint32_t erdp_low; 392 uint32_t erdp_high; 393 394 bool msix_used, er_pcs, er_full; 395 396 dma_addr_t er_start; 397 uint32_t er_size; 398 unsigned int er_ep_idx; 399 400 XHCIEvent ev_buffer[EV_QUEUE]; 401 unsigned int ev_buffer_put; 402 unsigned int ev_buffer_get; 403 404 } XHCIInterrupter; 405 406 struct XHCIState { 407 PCIDevice pci_dev; 408 USBBus bus; 409 qemu_irq irq; 410 MemoryRegion mem; 411 const char *name; 412 unsigned int devaddr; 413 414 /* properties */ 415 uint32_t numports_2; 416 uint32_t numports_3; 417 uint32_t flags; 418 419 /* Operational Registers */ 420 uint32_t usbcmd; 421 uint32_t usbsts; 422 uint32_t dnctrl; 423 uint32_t crcr_low; 424 uint32_t crcr_high; 425 uint32_t dcbaap_low; 426 uint32_t dcbaap_high; 427 uint32_t config; 428 429 USBPort uports[MAX(MAXPORTS_2, MAXPORTS_3)]; 430 XHCIPort ports[MAXPORTS]; 431 XHCISlot slots[MAXSLOTS]; 432 uint32_t numports; 433 434 /* Runtime Registers */ 435 int64_t mfindex_start; 436 QEMUTimer *mfwrap_timer; 437 XHCIInterrupter intr[MAXINTRS]; 438 439 XHCIRing cmd_ring; 440 }; 441 442 typedef struct XHCIEvRingSeg { 443 uint32_t addr_low; 444 uint32_t addr_high; 445 uint32_t size; 446 uint32_t rsvd; 447 } XHCIEvRingSeg; 448 449 enum xhci_flags { 450 XHCI_FLAG_USE_MSI = 1, 451 XHCI_FLAG_USE_MSI_X, 452 }; 453 454 static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, 455 unsigned int epid); 456 static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v); 457 static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v); 458 459 static const char *TRBType_names[] = { 460 [TRB_RESERVED] = "TRB_RESERVED", 461 [TR_NORMAL] = "TR_NORMAL", 462 [TR_SETUP] = "TR_SETUP", 463 [TR_DATA] = "TR_DATA", 464 [TR_STATUS] = "TR_STATUS", 465 [TR_ISOCH] = "TR_ISOCH", 466 [TR_LINK] = "TR_LINK", 467 [TR_EVDATA] = "TR_EVDATA", 468 [TR_NOOP] = "TR_NOOP", 469 [CR_ENABLE_SLOT] = "CR_ENABLE_SLOT", 470 [CR_DISABLE_SLOT] = "CR_DISABLE_SLOT", 471 [CR_ADDRESS_DEVICE] = "CR_ADDRESS_DEVICE", 472 [CR_CONFIGURE_ENDPOINT] = "CR_CONFIGURE_ENDPOINT", 473 [CR_EVALUATE_CONTEXT] = "CR_EVALUATE_CONTEXT", 474 [CR_RESET_ENDPOINT] = "CR_RESET_ENDPOINT", 475 [CR_STOP_ENDPOINT] = "CR_STOP_ENDPOINT", 476 [CR_SET_TR_DEQUEUE] = "CR_SET_TR_DEQUEUE", 477 [CR_RESET_DEVICE] = "CR_RESET_DEVICE", 478 [CR_FORCE_EVENT] = "CR_FORCE_EVENT", 479 [CR_NEGOTIATE_BW] = "CR_NEGOTIATE_BW", 480 [CR_SET_LATENCY_TOLERANCE] = "CR_SET_LATENCY_TOLERANCE", 481 [CR_GET_PORT_BANDWIDTH] = "CR_GET_PORT_BANDWIDTH", 482 [CR_FORCE_HEADER] = "CR_FORCE_HEADER", 483 [CR_NOOP] = "CR_NOOP", 484 [ER_TRANSFER] = "ER_TRANSFER", 485 [ER_COMMAND_COMPLETE] = "ER_COMMAND_COMPLETE", 486 [ER_PORT_STATUS_CHANGE] = "ER_PORT_STATUS_CHANGE", 487 [ER_BANDWIDTH_REQUEST] = "ER_BANDWIDTH_REQUEST", 488 [ER_DOORBELL] = "ER_DOORBELL", 489 [ER_HOST_CONTROLLER] = "ER_HOST_CONTROLLER", 490 [ER_DEVICE_NOTIFICATION] = "ER_DEVICE_NOTIFICATION", 491 [ER_MFINDEX_WRAP] = "ER_MFINDEX_WRAP", 492 [CR_VENDOR_VIA_CHALLENGE_RESPONSE] = "CR_VENDOR_VIA_CHALLENGE_RESPONSE", 493 [CR_VENDOR_NEC_FIRMWARE_REVISION] = "CR_VENDOR_NEC_FIRMWARE_REVISION", 494 [CR_VENDOR_NEC_CHALLENGE_RESPONSE] = "CR_VENDOR_NEC_CHALLENGE_RESPONSE", 495 }; 496 497 static const char *TRBCCode_names[] = { 498 [CC_INVALID] = "CC_INVALID", 499 [CC_SUCCESS] = "CC_SUCCESS", 500 [CC_DATA_BUFFER_ERROR] = "CC_DATA_BUFFER_ERROR", 501 [CC_BABBLE_DETECTED] = "CC_BABBLE_DETECTED", 502 [CC_USB_TRANSACTION_ERROR] = "CC_USB_TRANSACTION_ERROR", 503 [CC_TRB_ERROR] = "CC_TRB_ERROR", 504 [CC_STALL_ERROR] = "CC_STALL_ERROR", 505 [CC_RESOURCE_ERROR] = "CC_RESOURCE_ERROR", 506 [CC_BANDWIDTH_ERROR] = "CC_BANDWIDTH_ERROR", 507 [CC_NO_SLOTS_ERROR] = "CC_NO_SLOTS_ERROR", 508 [CC_INVALID_STREAM_TYPE_ERROR] = "CC_INVALID_STREAM_TYPE_ERROR", 509 [CC_SLOT_NOT_ENABLED_ERROR] = "CC_SLOT_NOT_ENABLED_ERROR", 510 [CC_EP_NOT_ENABLED_ERROR] = "CC_EP_NOT_ENABLED_ERROR", 511 [CC_SHORT_PACKET] = "CC_SHORT_PACKET", 512 [CC_RING_UNDERRUN] = "CC_RING_UNDERRUN", 513 [CC_RING_OVERRUN] = "CC_RING_OVERRUN", 514 [CC_VF_ER_FULL] = "CC_VF_ER_FULL", 515 [CC_PARAMETER_ERROR] = "CC_PARAMETER_ERROR", 516 [CC_BANDWIDTH_OVERRUN] = "CC_BANDWIDTH_OVERRUN", 517 [CC_CONTEXT_STATE_ERROR] = "CC_CONTEXT_STATE_ERROR", 518 [CC_NO_PING_RESPONSE_ERROR] = "CC_NO_PING_RESPONSE_ERROR", 519 [CC_EVENT_RING_FULL_ERROR] = "CC_EVENT_RING_FULL_ERROR", 520 [CC_INCOMPATIBLE_DEVICE_ERROR] = "CC_INCOMPATIBLE_DEVICE_ERROR", 521 [CC_MISSED_SERVICE_ERROR] = "CC_MISSED_SERVICE_ERROR", 522 [CC_COMMAND_RING_STOPPED] = "CC_COMMAND_RING_STOPPED", 523 [CC_COMMAND_ABORTED] = "CC_COMMAND_ABORTED", 524 [CC_STOPPED] = "CC_STOPPED", 525 [CC_STOPPED_LENGTH_INVALID] = "CC_STOPPED_LENGTH_INVALID", 526 [CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR] 527 = "CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR", 528 [CC_ISOCH_BUFFER_OVERRUN] = "CC_ISOCH_BUFFER_OVERRUN", 529 [CC_EVENT_LOST_ERROR] = "CC_EVENT_LOST_ERROR", 530 [CC_UNDEFINED_ERROR] = "CC_UNDEFINED_ERROR", 531 [CC_INVALID_STREAM_ID_ERROR] = "CC_INVALID_STREAM_ID_ERROR", 532 [CC_SECONDARY_BANDWIDTH_ERROR] = "CC_SECONDARY_BANDWIDTH_ERROR", 533 [CC_SPLIT_TRANSACTION_ERROR] = "CC_SPLIT_TRANSACTION_ERROR", 534 }; 535 536 static const char *lookup_name(uint32_t index, const char **list, uint32_t llen) 537 { 538 if (index >= llen || list[index] == NULL) { 539 return "???"; 540 } 541 return list[index]; 542 } 543 544 static const char *trb_name(XHCITRB *trb) 545 { 546 return lookup_name(TRB_TYPE(*trb), TRBType_names, 547 ARRAY_SIZE(TRBType_names)); 548 } 549 550 static const char *event_name(XHCIEvent *event) 551 { 552 return lookup_name(event->ccode, TRBCCode_names, 553 ARRAY_SIZE(TRBCCode_names)); 554 } 555 556 static uint64_t xhci_mfindex_get(XHCIState *xhci) 557 { 558 int64_t now = qemu_get_clock_ns(vm_clock); 559 return (now - xhci->mfindex_start) / 125000; 560 } 561 562 static void xhci_mfwrap_update(XHCIState *xhci) 563 { 564 const uint32_t bits = USBCMD_RS | USBCMD_EWE; 565 uint32_t mfindex, left; 566 int64_t now; 567 568 if ((xhci->usbcmd & bits) == bits) { 569 now = qemu_get_clock_ns(vm_clock); 570 mfindex = ((now - xhci->mfindex_start) / 125000) & 0x3fff; 571 left = 0x4000 - mfindex; 572 qemu_mod_timer(xhci->mfwrap_timer, now + left * 125000); 573 } else { 574 qemu_del_timer(xhci->mfwrap_timer); 575 } 576 } 577 578 static void xhci_mfwrap_timer(void *opaque) 579 { 580 XHCIState *xhci = opaque; 581 XHCIEvent wrap = { ER_MFINDEX_WRAP, CC_SUCCESS }; 582 583 xhci_event(xhci, &wrap, 0); 584 xhci_mfwrap_update(xhci); 585 } 586 587 static inline dma_addr_t xhci_addr64(uint32_t low, uint32_t high) 588 { 589 if (sizeof(dma_addr_t) == 4) { 590 return low; 591 } else { 592 return low | (((dma_addr_t)high << 16) << 16); 593 } 594 } 595 596 static inline dma_addr_t xhci_mask64(uint64_t addr) 597 { 598 if (sizeof(dma_addr_t) == 4) { 599 return addr & 0xffffffff; 600 } else { 601 return addr; 602 } 603 } 604 605 static XHCIPort *xhci_lookup_port(XHCIState *xhci, struct USBPort *uport) 606 { 607 int index; 608 609 if (!uport->dev) { 610 return NULL; 611 } 612 switch (uport->dev->speed) { 613 case USB_SPEED_LOW: 614 case USB_SPEED_FULL: 615 case USB_SPEED_HIGH: 616 index = uport->index; 617 break; 618 case USB_SPEED_SUPER: 619 index = uport->index + xhci->numports_2; 620 break; 621 default: 622 return NULL; 623 } 624 return &xhci->ports[index]; 625 } 626 627 static void xhci_intx_update(XHCIState *xhci) 628 { 629 int level = 0; 630 631 if (msix_enabled(&xhci->pci_dev) || 632 msi_enabled(&xhci->pci_dev)) { 633 return; 634 } 635 636 if (xhci->intr[0].iman & IMAN_IP && 637 xhci->intr[0].iman & IMAN_IE && 638 xhci->usbcmd & USBCMD_INTE) { 639 level = 1; 640 } 641 642 trace_usb_xhci_irq_intx(level); 643 qemu_set_irq(xhci->irq, level); 644 } 645 646 static void xhci_msix_update(XHCIState *xhci, int v) 647 { 648 bool enabled; 649 650 if (!msix_enabled(&xhci->pci_dev)) { 651 return; 652 } 653 654 enabled = xhci->intr[v].iman & IMAN_IE; 655 if (enabled == xhci->intr[v].msix_used) { 656 return; 657 } 658 659 if (enabled) { 660 trace_usb_xhci_irq_msix_use(v); 661 msix_vector_use(&xhci->pci_dev, v); 662 xhci->intr[v].msix_used = true; 663 } else { 664 trace_usb_xhci_irq_msix_unuse(v); 665 msix_vector_unuse(&xhci->pci_dev, v); 666 xhci->intr[v].msix_used = false; 667 } 668 } 669 670 static void xhci_intr_raise(XHCIState *xhci, int v) 671 { 672 xhci->intr[v].erdp_low |= ERDP_EHB; 673 xhci->intr[v].iman |= IMAN_IP; 674 xhci->usbsts |= USBSTS_EINT; 675 676 if (!(xhci->intr[v].iman & IMAN_IE)) { 677 return; 678 } 679 680 if (!(xhci->usbcmd & USBCMD_INTE)) { 681 return; 682 } 683 684 if (msix_enabled(&xhci->pci_dev)) { 685 trace_usb_xhci_irq_msix(v); 686 msix_notify(&xhci->pci_dev, v); 687 return; 688 } 689 690 if (msi_enabled(&xhci->pci_dev)) { 691 trace_usb_xhci_irq_msi(v); 692 msi_notify(&xhci->pci_dev, v); 693 return; 694 } 695 696 if (v == 0) { 697 trace_usb_xhci_irq_intx(1); 698 qemu_set_irq(xhci->irq, 1); 699 } 700 } 701 702 static inline int xhci_running(XHCIState *xhci) 703 { 704 return !(xhci->usbsts & USBSTS_HCH) && !xhci->intr[0].er_full; 705 } 706 707 static void xhci_die(XHCIState *xhci) 708 { 709 xhci->usbsts |= USBSTS_HCE; 710 fprintf(stderr, "xhci: asserted controller error\n"); 711 } 712 713 static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v) 714 { 715 XHCIInterrupter *intr = &xhci->intr[v]; 716 XHCITRB ev_trb; 717 dma_addr_t addr; 718 719 ev_trb.parameter = cpu_to_le64(event->ptr); 720 ev_trb.status = cpu_to_le32(event->length | (event->ccode << 24)); 721 ev_trb.control = (event->slotid << 24) | (event->epid << 16) | 722 event->flags | (event->type << TRB_TYPE_SHIFT); 723 if (intr->er_pcs) { 724 ev_trb.control |= TRB_C; 725 } 726 ev_trb.control = cpu_to_le32(ev_trb.control); 727 728 trace_usb_xhci_queue_event(v, intr->er_ep_idx, trb_name(&ev_trb), 729 event_name(event), ev_trb.parameter, 730 ev_trb.status, ev_trb.control); 731 732 addr = intr->er_start + TRB_SIZE*intr->er_ep_idx; 733 pci_dma_write(&xhci->pci_dev, addr, &ev_trb, TRB_SIZE); 734 735 intr->er_ep_idx++; 736 if (intr->er_ep_idx >= intr->er_size) { 737 intr->er_ep_idx = 0; 738 intr->er_pcs = !intr->er_pcs; 739 } 740 } 741 742 static void xhci_events_update(XHCIState *xhci, int v) 743 { 744 XHCIInterrupter *intr = &xhci->intr[v]; 745 dma_addr_t erdp; 746 unsigned int dp_idx; 747 bool do_irq = 0; 748 749 if (xhci->usbsts & USBSTS_HCH) { 750 return; 751 } 752 753 erdp = xhci_addr64(intr->erdp_low, intr->erdp_high); 754 if (erdp < intr->er_start || 755 erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) { 756 fprintf(stderr, "xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp); 757 fprintf(stderr, "xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n", 758 v, intr->er_start, intr->er_size); 759 xhci_die(xhci); 760 return; 761 } 762 dp_idx = (erdp - intr->er_start) / TRB_SIZE; 763 assert(dp_idx < intr->er_size); 764 765 /* NEC didn't read section 4.9.4 of the spec (v1.0 p139 top Note) and thus 766 * deadlocks when the ER is full. Hack it by holding off events until 767 * the driver decides to free at least half of the ring */ 768 if (intr->er_full) { 769 int er_free = dp_idx - intr->er_ep_idx; 770 if (er_free <= 0) { 771 er_free += intr->er_size; 772 } 773 if (er_free < (intr->er_size/2)) { 774 DPRINTF("xhci_events_update(): event ring still " 775 "more than half full (hack)\n"); 776 return; 777 } 778 } 779 780 while (intr->ev_buffer_put != intr->ev_buffer_get) { 781 assert(intr->er_full); 782 if (((intr->er_ep_idx+1) % intr->er_size) == dp_idx) { 783 DPRINTF("xhci_events_update(): event ring full again\n"); 784 #ifndef ER_FULL_HACK 785 XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR}; 786 xhci_write_event(xhci, &full, v); 787 #endif 788 do_irq = 1; 789 break; 790 } 791 XHCIEvent *event = &intr->ev_buffer[intr->ev_buffer_get]; 792 xhci_write_event(xhci, event, v); 793 intr->ev_buffer_get++; 794 do_irq = 1; 795 if (intr->ev_buffer_get == EV_QUEUE) { 796 intr->ev_buffer_get = 0; 797 } 798 } 799 800 if (do_irq) { 801 xhci_intr_raise(xhci, v); 802 } 803 804 if (intr->er_full && intr->ev_buffer_put == intr->ev_buffer_get) { 805 DPRINTF("xhci_events_update(): event ring no longer full\n"); 806 intr->er_full = 0; 807 } 808 return; 809 } 810 811 static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v) 812 { 813 XHCIInterrupter *intr; 814 dma_addr_t erdp; 815 unsigned int dp_idx; 816 817 if (v >= MAXINTRS) { 818 DPRINTF("intr nr out of range (%d >= %d)\n", v, MAXINTRS); 819 return; 820 } 821 intr = &xhci->intr[v]; 822 823 if (intr->er_full) { 824 DPRINTF("xhci_event(): ER full, queueing\n"); 825 if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) { 826 fprintf(stderr, "xhci: event queue full, dropping event!\n"); 827 return; 828 } 829 intr->ev_buffer[intr->ev_buffer_put++] = *event; 830 if (intr->ev_buffer_put == EV_QUEUE) { 831 intr->ev_buffer_put = 0; 832 } 833 return; 834 } 835 836 erdp = xhci_addr64(intr->erdp_low, intr->erdp_high); 837 if (erdp < intr->er_start || 838 erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) { 839 fprintf(stderr, "xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp); 840 fprintf(stderr, "xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n", 841 v, intr->er_start, intr->er_size); 842 xhci_die(xhci); 843 return; 844 } 845 846 dp_idx = (erdp - intr->er_start) / TRB_SIZE; 847 assert(dp_idx < intr->er_size); 848 849 if ((intr->er_ep_idx+1) % intr->er_size == dp_idx) { 850 DPRINTF("xhci_event(): ER full, queueing\n"); 851 #ifndef ER_FULL_HACK 852 XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR}; 853 xhci_write_event(xhci, &full); 854 #endif 855 intr->er_full = 1; 856 if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) { 857 fprintf(stderr, "xhci: event queue full, dropping event!\n"); 858 return; 859 } 860 intr->ev_buffer[intr->ev_buffer_put++] = *event; 861 if (intr->ev_buffer_put == EV_QUEUE) { 862 intr->ev_buffer_put = 0; 863 } 864 } else { 865 xhci_write_event(xhci, event, v); 866 } 867 868 xhci_intr_raise(xhci, v); 869 } 870 871 static void xhci_ring_init(XHCIState *xhci, XHCIRing *ring, 872 dma_addr_t base) 873 { 874 ring->base = base; 875 ring->dequeue = base; 876 ring->ccs = 1; 877 } 878 879 static TRBType xhci_ring_fetch(XHCIState *xhci, XHCIRing *ring, XHCITRB *trb, 880 dma_addr_t *addr) 881 { 882 while (1) { 883 TRBType type; 884 pci_dma_read(&xhci->pci_dev, ring->dequeue, trb, TRB_SIZE); 885 trb->addr = ring->dequeue; 886 trb->ccs = ring->ccs; 887 le64_to_cpus(&trb->parameter); 888 le32_to_cpus(&trb->status); 889 le32_to_cpus(&trb->control); 890 891 trace_usb_xhci_fetch_trb(ring->dequeue, trb_name(trb), 892 trb->parameter, trb->status, trb->control); 893 894 if ((trb->control & TRB_C) != ring->ccs) { 895 return 0; 896 } 897 898 type = TRB_TYPE(*trb); 899 900 if (type != TR_LINK) { 901 if (addr) { 902 *addr = ring->dequeue; 903 } 904 ring->dequeue += TRB_SIZE; 905 return type; 906 } else { 907 ring->dequeue = xhci_mask64(trb->parameter); 908 if (trb->control & TRB_LK_TC) { 909 ring->ccs = !ring->ccs; 910 } 911 } 912 } 913 } 914 915 static int xhci_ring_chain_length(XHCIState *xhci, const XHCIRing *ring) 916 { 917 XHCITRB trb; 918 int length = 0; 919 dma_addr_t dequeue = ring->dequeue; 920 bool ccs = ring->ccs; 921 /* hack to bundle together the two/three TDs that make a setup transfer */ 922 bool control_td_set = 0; 923 924 while (1) { 925 TRBType type; 926 pci_dma_read(&xhci->pci_dev, dequeue, &trb, TRB_SIZE); 927 le64_to_cpus(&trb.parameter); 928 le32_to_cpus(&trb.status); 929 le32_to_cpus(&trb.control); 930 931 if ((trb.control & TRB_C) != ccs) { 932 return -length; 933 } 934 935 type = TRB_TYPE(trb); 936 937 if (type == TR_LINK) { 938 dequeue = xhci_mask64(trb.parameter); 939 if (trb.control & TRB_LK_TC) { 940 ccs = !ccs; 941 } 942 continue; 943 } 944 945 length += 1; 946 dequeue += TRB_SIZE; 947 948 if (type == TR_SETUP) { 949 control_td_set = 1; 950 } else if (type == TR_STATUS) { 951 control_td_set = 0; 952 } 953 954 if (!control_td_set && !(trb.control & TRB_TR_CH)) { 955 return length; 956 } 957 } 958 } 959 960 static void xhci_er_reset(XHCIState *xhci, int v) 961 { 962 XHCIInterrupter *intr = &xhci->intr[v]; 963 XHCIEvRingSeg seg; 964 965 /* cache the (sole) event ring segment location */ 966 if (intr->erstsz != 1) { 967 fprintf(stderr, "xhci: invalid value for ERSTSZ: %d\n", intr->erstsz); 968 xhci_die(xhci); 969 return; 970 } 971 dma_addr_t erstba = xhci_addr64(intr->erstba_low, intr->erstba_high); 972 pci_dma_read(&xhci->pci_dev, erstba, &seg, sizeof(seg)); 973 le32_to_cpus(&seg.addr_low); 974 le32_to_cpus(&seg.addr_high); 975 le32_to_cpus(&seg.size); 976 if (seg.size < 16 || seg.size > 4096) { 977 fprintf(stderr, "xhci: invalid value for segment size: %d\n", seg.size); 978 xhci_die(xhci); 979 return; 980 } 981 intr->er_start = xhci_addr64(seg.addr_low, seg.addr_high); 982 intr->er_size = seg.size; 983 984 intr->er_ep_idx = 0; 985 intr->er_pcs = 1; 986 intr->er_full = 0; 987 988 DPRINTF("xhci: event ring[%d]:" DMA_ADDR_FMT " [%d]\n", 989 v, intr->er_start, intr->er_size); 990 } 991 992 static void xhci_run(XHCIState *xhci) 993 { 994 trace_usb_xhci_run(); 995 xhci->usbsts &= ~USBSTS_HCH; 996 xhci->mfindex_start = qemu_get_clock_ns(vm_clock); 997 } 998 999 static void xhci_stop(XHCIState *xhci) 1000 { 1001 trace_usb_xhci_stop(); 1002 xhci->usbsts |= USBSTS_HCH; 1003 xhci->crcr_low &= ~CRCR_CRR; 1004 } 1005 1006 static void xhci_set_ep_state(XHCIState *xhci, XHCIEPContext *epctx, 1007 uint32_t state) 1008 { 1009 uint32_t ctx[5]; 1010 if (epctx->state == state) { 1011 return; 1012 } 1013 1014 pci_dma_read(&xhci->pci_dev, epctx->pctx, ctx, sizeof(ctx)); 1015 ctx[0] &= ~EP_STATE_MASK; 1016 ctx[0] |= state; 1017 ctx[2] = epctx->ring.dequeue | epctx->ring.ccs; 1018 ctx[3] = (epctx->ring.dequeue >> 16) >> 16; 1019 DPRINTF("xhci: set epctx: " DMA_ADDR_FMT " state=%d dequeue=%08x%08x\n", 1020 epctx->pctx, state, ctx[3], ctx[2]); 1021 pci_dma_write(&xhci->pci_dev, epctx->pctx, ctx, sizeof(ctx)); 1022 epctx->state = state; 1023 } 1024 1025 static void xhci_ep_kick_timer(void *opaque) 1026 { 1027 XHCIEPContext *epctx = opaque; 1028 xhci_kick_ep(epctx->xhci, epctx->slotid, epctx->epid); 1029 } 1030 1031 static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid, 1032 unsigned int epid, dma_addr_t pctx, 1033 uint32_t *ctx) 1034 { 1035 XHCISlot *slot; 1036 XHCIEPContext *epctx; 1037 dma_addr_t dequeue; 1038 int i; 1039 1040 trace_usb_xhci_ep_enable(slotid, epid); 1041 assert(slotid >= 1 && slotid <= MAXSLOTS); 1042 assert(epid >= 1 && epid <= 31); 1043 1044 slot = &xhci->slots[slotid-1]; 1045 if (slot->eps[epid-1]) { 1046 fprintf(stderr, "xhci: slot %d ep %d already enabled!\n", slotid, epid); 1047 return CC_TRB_ERROR; 1048 } 1049 1050 epctx = g_malloc(sizeof(XHCIEPContext)); 1051 memset(epctx, 0, sizeof(XHCIEPContext)); 1052 epctx->xhci = xhci; 1053 epctx->slotid = slotid; 1054 epctx->epid = epid; 1055 1056 slot->eps[epid-1] = epctx; 1057 1058 dequeue = xhci_addr64(ctx[2] & ~0xf, ctx[3]); 1059 xhci_ring_init(xhci, &epctx->ring, dequeue); 1060 epctx->ring.ccs = ctx[2] & 1; 1061 1062 epctx->type = (ctx[1] >> EP_TYPE_SHIFT) & EP_TYPE_MASK; 1063 DPRINTF("xhci: endpoint %d.%d type is %d\n", epid/2, epid%2, epctx->type); 1064 epctx->pctx = pctx; 1065 epctx->max_psize = ctx[1]>>16; 1066 epctx->max_psize *= 1+((ctx[1]>>8)&0xff); 1067 DPRINTF("xhci: endpoint %d.%d max transaction (burst) size is %d\n", 1068 epid/2, epid%2, epctx->max_psize); 1069 for (i = 0; i < ARRAY_SIZE(epctx->transfers); i++) { 1070 usb_packet_init(&epctx->transfers[i].packet); 1071 } 1072 1073 epctx->interval = 1 << (ctx[0] >> 16) & 0xff; 1074 epctx->mfindex_last = 0; 1075 epctx->kick_timer = qemu_new_timer_ns(vm_clock, xhci_ep_kick_timer, epctx); 1076 1077 epctx->state = EP_RUNNING; 1078 ctx[0] &= ~EP_STATE_MASK; 1079 ctx[0] |= EP_RUNNING; 1080 1081 return CC_SUCCESS; 1082 } 1083 1084 static int xhci_ep_nuke_xfers(XHCIState *xhci, unsigned int slotid, 1085 unsigned int epid) 1086 { 1087 XHCISlot *slot; 1088 XHCIEPContext *epctx; 1089 int i, xferi, killed = 0; 1090 assert(slotid >= 1 && slotid <= MAXSLOTS); 1091 assert(epid >= 1 && epid <= 31); 1092 1093 DPRINTF("xhci_ep_nuke_xfers(%d, %d)\n", slotid, epid); 1094 1095 slot = &xhci->slots[slotid-1]; 1096 1097 if (!slot->eps[epid-1]) { 1098 return 0; 1099 } 1100 1101 epctx = slot->eps[epid-1]; 1102 1103 xferi = epctx->next_xfer; 1104 for (i = 0; i < TD_QUEUE; i++) { 1105 XHCITransfer *t = &epctx->transfers[xferi]; 1106 if (t->running_async) { 1107 usb_cancel_packet(&t->packet); 1108 t->running_async = 0; 1109 t->cancelled = 1; 1110 DPRINTF("xhci: cancelling transfer %d, waiting for it to complete...\n", i); 1111 killed++; 1112 } 1113 if (t->running_retry) { 1114 t->running_retry = 0; 1115 epctx->retry = NULL; 1116 qemu_del_timer(epctx->kick_timer); 1117 } 1118 if (t->trbs) { 1119 g_free(t->trbs); 1120 } 1121 1122 t->trbs = NULL; 1123 t->trb_count = t->trb_alloced = 0; 1124 xferi = (xferi + 1) % TD_QUEUE; 1125 } 1126 return killed; 1127 } 1128 1129 static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, 1130 unsigned int epid) 1131 { 1132 XHCISlot *slot; 1133 XHCIEPContext *epctx; 1134 1135 trace_usb_xhci_ep_disable(slotid, epid); 1136 assert(slotid >= 1 && slotid <= MAXSLOTS); 1137 assert(epid >= 1 && epid <= 31); 1138 1139 slot = &xhci->slots[slotid-1]; 1140 1141 if (!slot->eps[epid-1]) { 1142 DPRINTF("xhci: slot %d ep %d already disabled\n", slotid, epid); 1143 return CC_SUCCESS; 1144 } 1145 1146 xhci_ep_nuke_xfers(xhci, slotid, epid); 1147 1148 epctx = slot->eps[epid-1]; 1149 1150 xhci_set_ep_state(xhci, epctx, EP_DISABLED); 1151 1152 qemu_free_timer(epctx->kick_timer); 1153 g_free(epctx); 1154 slot->eps[epid-1] = NULL; 1155 1156 return CC_SUCCESS; 1157 } 1158 1159 static TRBCCode xhci_stop_ep(XHCIState *xhci, unsigned int slotid, 1160 unsigned int epid) 1161 { 1162 XHCISlot *slot; 1163 XHCIEPContext *epctx; 1164 1165 trace_usb_xhci_ep_stop(slotid, epid); 1166 assert(slotid >= 1 && slotid <= MAXSLOTS); 1167 1168 if (epid < 1 || epid > 31) { 1169 fprintf(stderr, "xhci: bad ep %d\n", epid); 1170 return CC_TRB_ERROR; 1171 } 1172 1173 slot = &xhci->slots[slotid-1]; 1174 1175 if (!slot->eps[epid-1]) { 1176 DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1177 return CC_EP_NOT_ENABLED_ERROR; 1178 } 1179 1180 if (xhci_ep_nuke_xfers(xhci, slotid, epid) > 0) { 1181 fprintf(stderr, "xhci: FIXME: endpoint stopped w/ xfers running, " 1182 "data might be lost\n"); 1183 } 1184 1185 epctx = slot->eps[epid-1]; 1186 1187 xhci_set_ep_state(xhci, epctx, EP_STOPPED); 1188 1189 return CC_SUCCESS; 1190 } 1191 1192 static TRBCCode xhci_reset_ep(XHCIState *xhci, unsigned int slotid, 1193 unsigned int epid) 1194 { 1195 XHCISlot *slot; 1196 XHCIEPContext *epctx; 1197 USBDevice *dev; 1198 1199 trace_usb_xhci_ep_reset(slotid, epid); 1200 assert(slotid >= 1 && slotid <= MAXSLOTS); 1201 1202 if (epid < 1 || epid > 31) { 1203 fprintf(stderr, "xhci: bad ep %d\n", epid); 1204 return CC_TRB_ERROR; 1205 } 1206 1207 slot = &xhci->slots[slotid-1]; 1208 1209 if (!slot->eps[epid-1]) { 1210 DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1211 return CC_EP_NOT_ENABLED_ERROR; 1212 } 1213 1214 epctx = slot->eps[epid-1]; 1215 1216 if (epctx->state != EP_HALTED) { 1217 fprintf(stderr, "xhci: reset EP while EP %d not halted (%d)\n", 1218 epid, epctx->state); 1219 return CC_CONTEXT_STATE_ERROR; 1220 } 1221 1222 if (xhci_ep_nuke_xfers(xhci, slotid, epid) > 0) { 1223 fprintf(stderr, "xhci: FIXME: endpoint reset w/ xfers running, " 1224 "data might be lost\n"); 1225 } 1226 1227 uint8_t ep = epid>>1; 1228 1229 if (epid & 1) { 1230 ep |= 0x80; 1231 } 1232 1233 dev = xhci->ports[xhci->slots[slotid-1].port-1].uport->dev; 1234 if (!dev) { 1235 return CC_USB_TRANSACTION_ERROR; 1236 } 1237 1238 xhci_set_ep_state(xhci, epctx, EP_STOPPED); 1239 1240 return CC_SUCCESS; 1241 } 1242 1243 static TRBCCode xhci_set_ep_dequeue(XHCIState *xhci, unsigned int slotid, 1244 unsigned int epid, uint64_t pdequeue) 1245 { 1246 XHCISlot *slot; 1247 XHCIEPContext *epctx; 1248 dma_addr_t dequeue; 1249 1250 assert(slotid >= 1 && slotid <= MAXSLOTS); 1251 1252 if (epid < 1 || epid > 31) { 1253 fprintf(stderr, "xhci: bad ep %d\n", epid); 1254 return CC_TRB_ERROR; 1255 } 1256 1257 trace_usb_xhci_ep_set_dequeue(slotid, epid, pdequeue); 1258 dequeue = xhci_mask64(pdequeue); 1259 1260 slot = &xhci->slots[slotid-1]; 1261 1262 if (!slot->eps[epid-1]) { 1263 DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1264 return CC_EP_NOT_ENABLED_ERROR; 1265 } 1266 1267 epctx = slot->eps[epid-1]; 1268 1269 1270 if (epctx->state != EP_STOPPED) { 1271 fprintf(stderr, "xhci: set EP dequeue pointer while EP %d not stopped\n", epid); 1272 return CC_CONTEXT_STATE_ERROR; 1273 } 1274 1275 xhci_ring_init(xhci, &epctx->ring, dequeue & ~0xF); 1276 epctx->ring.ccs = dequeue & 1; 1277 1278 xhci_set_ep_state(xhci, epctx, EP_STOPPED); 1279 1280 return CC_SUCCESS; 1281 } 1282 1283 static int xhci_xfer_map(XHCITransfer *xfer) 1284 { 1285 int in_xfer = (xfer->packet.pid == USB_TOKEN_IN); 1286 XHCIState *xhci = xfer->xhci; 1287 int i; 1288 1289 pci_dma_sglist_init(&xfer->sgl, &xhci->pci_dev, xfer->trb_count); 1290 for (i = 0; i < xfer->trb_count; i++) { 1291 XHCITRB *trb = &xfer->trbs[i]; 1292 dma_addr_t addr; 1293 unsigned int chunk = 0; 1294 1295 switch (TRB_TYPE(*trb)) { 1296 case TR_DATA: 1297 if ((!(trb->control & TRB_TR_DIR)) != (!in_xfer)) { 1298 fprintf(stderr, "xhci: data direction mismatch for TR_DATA\n"); 1299 goto err; 1300 } 1301 /* fallthrough */ 1302 case TR_NORMAL: 1303 case TR_ISOCH: 1304 addr = xhci_mask64(trb->parameter); 1305 chunk = trb->status & 0x1ffff; 1306 if (trb->control & TRB_TR_IDT) { 1307 if (chunk > 8 || in_xfer) { 1308 fprintf(stderr, "xhci: invalid immediate data TRB\n"); 1309 goto err; 1310 } 1311 qemu_sglist_add(&xfer->sgl, trb->addr, chunk); 1312 } else { 1313 qemu_sglist_add(&xfer->sgl, addr, chunk); 1314 } 1315 break; 1316 } 1317 } 1318 1319 usb_packet_map(&xfer->packet, &xfer->sgl); 1320 return 0; 1321 1322 err: 1323 qemu_sglist_destroy(&xfer->sgl); 1324 xhci_die(xhci); 1325 return -1; 1326 } 1327 1328 static void xhci_xfer_unmap(XHCITransfer *xfer) 1329 { 1330 usb_packet_unmap(&xfer->packet, &xfer->sgl); 1331 qemu_sglist_destroy(&xfer->sgl); 1332 } 1333 1334 static void xhci_xfer_report(XHCITransfer *xfer) 1335 { 1336 uint32_t edtla = 0; 1337 unsigned int left; 1338 bool reported = 0; 1339 bool shortpkt = 0; 1340 XHCIEvent event = {ER_TRANSFER, CC_SUCCESS}; 1341 XHCIState *xhci = xfer->xhci; 1342 int i; 1343 1344 left = xfer->packet.result < 0 ? 0 : xfer->packet.result; 1345 1346 for (i = 0; i < xfer->trb_count; i++) { 1347 XHCITRB *trb = &xfer->trbs[i]; 1348 unsigned int chunk = 0; 1349 1350 switch (TRB_TYPE(*trb)) { 1351 case TR_DATA: 1352 case TR_NORMAL: 1353 case TR_ISOCH: 1354 chunk = trb->status & 0x1ffff; 1355 if (chunk > left) { 1356 chunk = left; 1357 if (xfer->status == CC_SUCCESS) { 1358 shortpkt = 1; 1359 } 1360 } 1361 left -= chunk; 1362 edtla += chunk; 1363 break; 1364 case TR_STATUS: 1365 reported = 0; 1366 shortpkt = 0; 1367 break; 1368 } 1369 1370 if (!reported && ((trb->control & TRB_TR_IOC) || 1371 (shortpkt && (trb->control & TRB_TR_ISP)) || 1372 (xfer->status != CC_SUCCESS))) { 1373 event.slotid = xfer->slotid; 1374 event.epid = xfer->epid; 1375 event.length = (trb->status & 0x1ffff) - chunk; 1376 event.flags = 0; 1377 event.ptr = trb->addr; 1378 if (xfer->status == CC_SUCCESS) { 1379 event.ccode = shortpkt ? CC_SHORT_PACKET : CC_SUCCESS; 1380 } else { 1381 event.ccode = xfer->status; 1382 } 1383 if (TRB_TYPE(*trb) == TR_EVDATA) { 1384 event.ptr = trb->parameter; 1385 event.flags |= TRB_EV_ED; 1386 event.length = edtla & 0xffffff; 1387 DPRINTF("xhci_xfer_data: EDTLA=%d\n", event.length); 1388 edtla = 0; 1389 } 1390 xhci_event(xhci, &event, TRB_INTR(*trb)); 1391 reported = 1; 1392 if (xfer->status != CC_SUCCESS) { 1393 return; 1394 } 1395 } 1396 } 1397 } 1398 1399 static void xhci_stall_ep(XHCITransfer *xfer) 1400 { 1401 XHCIState *xhci = xfer->xhci; 1402 XHCISlot *slot = &xhci->slots[xfer->slotid-1]; 1403 XHCIEPContext *epctx = slot->eps[xfer->epid-1]; 1404 1405 epctx->ring.dequeue = xfer->trbs[0].addr; 1406 epctx->ring.ccs = xfer->trbs[0].ccs; 1407 xhci_set_ep_state(xhci, epctx, EP_HALTED); 1408 DPRINTF("xhci: stalled slot %d ep %d\n", xfer->slotid, xfer->epid); 1409 DPRINTF("xhci: will continue at "DMA_ADDR_FMT"\n", epctx->ring.dequeue); 1410 } 1411 1412 static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, 1413 XHCIEPContext *epctx); 1414 1415 static USBDevice *xhci_find_device(XHCIPort *port, uint8_t addr) 1416 { 1417 if (!(port->portsc & PORTSC_PED)) { 1418 return NULL; 1419 } 1420 return usb_find_device(port->uport, addr); 1421 } 1422 1423 static int xhci_setup_packet(XHCITransfer *xfer) 1424 { 1425 XHCIState *xhci = xfer->xhci; 1426 XHCIPort *port; 1427 USBDevice *dev; 1428 USBEndpoint *ep; 1429 int dir; 1430 1431 dir = xfer->in_xfer ? USB_TOKEN_IN : USB_TOKEN_OUT; 1432 1433 if (xfer->packet.ep) { 1434 ep = xfer->packet.ep; 1435 dev = ep->dev; 1436 } else { 1437 port = &xhci->ports[xhci->slots[xfer->slotid-1].port-1]; 1438 dev = xhci_find_device(port, xhci->slots[xfer->slotid-1].devaddr); 1439 if (!dev) { 1440 fprintf(stderr, "xhci: slot %d port %d has no device\n", 1441 xfer->slotid, xhci->slots[xfer->slotid-1].port); 1442 return -1; 1443 } 1444 ep = usb_ep_get(dev, dir, xfer->epid >> 1); 1445 } 1446 1447 usb_packet_setup(&xfer->packet, dir, ep, xfer->trbs[0].addr); 1448 xhci_xfer_map(xfer); 1449 DPRINTF("xhci: setup packet pid 0x%x addr %d ep %d\n", 1450 xfer->packet.pid, dev->addr, ep->nr); 1451 return 0; 1452 } 1453 1454 static int xhci_complete_packet(XHCITransfer *xfer, int ret) 1455 { 1456 if (ret == USB_RET_ASYNC) { 1457 trace_usb_xhci_xfer_async(xfer); 1458 xfer->running_async = 1; 1459 xfer->running_retry = 0; 1460 xfer->complete = 0; 1461 xfer->cancelled = 0; 1462 return 0; 1463 } else if (ret == USB_RET_NAK) { 1464 trace_usb_xhci_xfer_nak(xfer); 1465 xfer->running_async = 0; 1466 xfer->running_retry = 1; 1467 xfer->complete = 0; 1468 xfer->cancelled = 0; 1469 return 0; 1470 } else { 1471 xfer->running_async = 0; 1472 xfer->running_retry = 0; 1473 xfer->complete = 1; 1474 xhci_xfer_unmap(xfer); 1475 } 1476 1477 if (ret >= 0) { 1478 trace_usb_xhci_xfer_success(xfer, ret); 1479 xfer->status = CC_SUCCESS; 1480 xhci_xfer_report(xfer); 1481 return 0; 1482 } 1483 1484 /* error */ 1485 trace_usb_xhci_xfer_error(xfer, ret); 1486 switch (ret) { 1487 case USB_RET_NODEV: 1488 xfer->status = CC_USB_TRANSACTION_ERROR; 1489 xhci_xfer_report(xfer); 1490 xhci_stall_ep(xfer); 1491 break; 1492 case USB_RET_STALL: 1493 xfer->status = CC_STALL_ERROR; 1494 xhci_xfer_report(xfer); 1495 xhci_stall_ep(xfer); 1496 break; 1497 default: 1498 fprintf(stderr, "%s: FIXME: ret = %d\n", __FUNCTION__, ret); 1499 FIXME(); 1500 } 1501 return 0; 1502 } 1503 1504 static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer) 1505 { 1506 XHCITRB *trb_setup, *trb_status; 1507 uint8_t bmRequestType; 1508 int ret; 1509 1510 trb_setup = &xfer->trbs[0]; 1511 trb_status = &xfer->trbs[xfer->trb_count-1]; 1512 1513 trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid); 1514 1515 /* at most one Event Data TRB allowed after STATUS */ 1516 if (TRB_TYPE(*trb_status) == TR_EVDATA && xfer->trb_count > 2) { 1517 trb_status--; 1518 } 1519 1520 /* do some sanity checks */ 1521 if (TRB_TYPE(*trb_setup) != TR_SETUP) { 1522 fprintf(stderr, "xhci: ep0 first TD not SETUP: %d\n", 1523 TRB_TYPE(*trb_setup)); 1524 return -1; 1525 } 1526 if (TRB_TYPE(*trb_status) != TR_STATUS) { 1527 fprintf(stderr, "xhci: ep0 last TD not STATUS: %d\n", 1528 TRB_TYPE(*trb_status)); 1529 return -1; 1530 } 1531 if (!(trb_setup->control & TRB_TR_IDT)) { 1532 fprintf(stderr, "xhci: Setup TRB doesn't have IDT set\n"); 1533 return -1; 1534 } 1535 if ((trb_setup->status & 0x1ffff) != 8) { 1536 fprintf(stderr, "xhci: Setup TRB has bad length (%d)\n", 1537 (trb_setup->status & 0x1ffff)); 1538 return -1; 1539 } 1540 1541 bmRequestType = trb_setup->parameter; 1542 1543 xfer->in_xfer = bmRequestType & USB_DIR_IN; 1544 xfer->iso_xfer = false; 1545 1546 if (xhci_setup_packet(xfer) < 0) { 1547 return -1; 1548 } 1549 xfer->packet.parameter = trb_setup->parameter; 1550 1551 ret = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 1552 1553 xhci_complete_packet(xfer, ret); 1554 if (!xfer->running_async && !xfer->running_retry) { 1555 xhci_kick_ep(xhci, xfer->slotid, xfer->epid); 1556 } 1557 return 0; 1558 } 1559 1560 static void xhci_calc_iso_kick(XHCIState *xhci, XHCITransfer *xfer, 1561 XHCIEPContext *epctx, uint64_t mfindex) 1562 { 1563 if (xfer->trbs[0].control & TRB_TR_SIA) { 1564 uint64_t asap = ((mfindex + epctx->interval - 1) & 1565 ~(epctx->interval-1)); 1566 if (asap >= epctx->mfindex_last && 1567 asap <= epctx->mfindex_last + epctx->interval * 4) { 1568 xfer->mfindex_kick = epctx->mfindex_last + epctx->interval; 1569 } else { 1570 xfer->mfindex_kick = asap; 1571 } 1572 } else { 1573 xfer->mfindex_kick = (xfer->trbs[0].control >> TRB_TR_FRAMEID_SHIFT) 1574 & TRB_TR_FRAMEID_MASK; 1575 xfer->mfindex_kick |= mfindex & ~0x3fff; 1576 if (xfer->mfindex_kick < mfindex) { 1577 xfer->mfindex_kick += 0x4000; 1578 } 1579 } 1580 } 1581 1582 static void xhci_check_iso_kick(XHCIState *xhci, XHCITransfer *xfer, 1583 XHCIEPContext *epctx, uint64_t mfindex) 1584 { 1585 if (xfer->mfindex_kick > mfindex) { 1586 qemu_mod_timer(epctx->kick_timer, qemu_get_clock_ns(vm_clock) + 1587 (xfer->mfindex_kick - mfindex) * 125000); 1588 xfer->running_retry = 1; 1589 } else { 1590 epctx->mfindex_last = xfer->mfindex_kick; 1591 qemu_del_timer(epctx->kick_timer); 1592 xfer->running_retry = 0; 1593 } 1594 } 1595 1596 1597 static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) 1598 { 1599 uint64_t mfindex; 1600 int ret; 1601 1602 DPRINTF("xhci_submit(slotid=%d,epid=%d)\n", xfer->slotid, xfer->epid); 1603 1604 xfer->in_xfer = epctx->type>>2; 1605 1606 switch(epctx->type) { 1607 case ET_INTR_OUT: 1608 case ET_INTR_IN: 1609 case ET_BULK_OUT: 1610 case ET_BULK_IN: 1611 xfer->pkts = 0; 1612 xfer->iso_xfer = false; 1613 break; 1614 case ET_ISO_OUT: 1615 case ET_ISO_IN: 1616 xfer->pkts = 1; 1617 xfer->iso_xfer = true; 1618 mfindex = xhci_mfindex_get(xhci); 1619 xhci_calc_iso_kick(xhci, xfer, epctx, mfindex); 1620 xhci_check_iso_kick(xhci, xfer, epctx, mfindex); 1621 if (xfer->running_retry) { 1622 return -1; 1623 } 1624 break; 1625 default: 1626 fprintf(stderr, "xhci: unknown or unhandled EP " 1627 "(type %d, in %d, ep %02x)\n", 1628 epctx->type, xfer->in_xfer, xfer->epid); 1629 return -1; 1630 } 1631 1632 if (xhci_setup_packet(xfer) < 0) { 1633 return -1; 1634 } 1635 ret = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 1636 1637 xhci_complete_packet(xfer, ret); 1638 if (!xfer->running_async && !xfer->running_retry) { 1639 xhci_kick_ep(xhci, xfer->slotid, xfer->epid); 1640 } 1641 return 0; 1642 } 1643 1644 static int xhci_fire_transfer(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) 1645 { 1646 trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid); 1647 return xhci_submit(xhci, xfer, epctx); 1648 } 1649 1650 static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, unsigned int epid) 1651 { 1652 XHCIEPContext *epctx; 1653 uint64_t mfindex; 1654 int length; 1655 int i; 1656 1657 trace_usb_xhci_ep_kick(slotid, epid); 1658 assert(slotid >= 1 && slotid <= MAXSLOTS); 1659 assert(epid >= 1 && epid <= 31); 1660 1661 if (!xhci->slots[slotid-1].enabled) { 1662 fprintf(stderr, "xhci: xhci_kick_ep for disabled slot %d\n", slotid); 1663 return; 1664 } 1665 epctx = xhci->slots[slotid-1].eps[epid-1]; 1666 if (!epctx) { 1667 fprintf(stderr, "xhci: xhci_kick_ep for disabled endpoint %d,%d\n", 1668 epid, slotid); 1669 return; 1670 } 1671 1672 if (epctx->retry) { 1673 XHCITransfer *xfer = epctx->retry; 1674 int result; 1675 1676 trace_usb_xhci_xfer_retry(xfer); 1677 assert(xfer->running_retry); 1678 if (xfer->iso_xfer) { 1679 /* retry delayed iso transfer */ 1680 mfindex = xhci_mfindex_get(xhci); 1681 xhci_check_iso_kick(xhci, xfer, epctx, mfindex); 1682 if (xfer->running_retry) { 1683 return; 1684 } 1685 if (xhci_setup_packet(xfer) < 0) { 1686 return; 1687 } 1688 result = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 1689 assert(result != USB_RET_NAK); 1690 xhci_complete_packet(xfer, result); 1691 } else { 1692 /* retry nak'ed transfer */ 1693 if (xhci_setup_packet(xfer) < 0) { 1694 return; 1695 } 1696 result = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 1697 if (result == USB_RET_NAK) { 1698 return; 1699 } 1700 xhci_complete_packet(xfer, result); 1701 } 1702 assert(!xfer->running_retry); 1703 epctx->retry = NULL; 1704 } 1705 1706 if (epctx->state == EP_HALTED) { 1707 DPRINTF("xhci: ep halted, not running schedule\n"); 1708 return; 1709 } 1710 1711 xhci_set_ep_state(xhci, epctx, EP_RUNNING); 1712 1713 while (1) { 1714 XHCITransfer *xfer = &epctx->transfers[epctx->next_xfer]; 1715 if (xfer->running_async || xfer->running_retry) { 1716 break; 1717 } 1718 length = xhci_ring_chain_length(xhci, &epctx->ring); 1719 if (length < 0) { 1720 break; 1721 } else if (length == 0) { 1722 break; 1723 } 1724 if (xfer->trbs && xfer->trb_alloced < length) { 1725 xfer->trb_count = 0; 1726 xfer->trb_alloced = 0; 1727 g_free(xfer->trbs); 1728 xfer->trbs = NULL; 1729 } 1730 if (!xfer->trbs) { 1731 xfer->trbs = g_malloc(sizeof(XHCITRB) * length); 1732 xfer->trb_alloced = length; 1733 } 1734 xfer->trb_count = length; 1735 1736 for (i = 0; i < length; i++) { 1737 assert(xhci_ring_fetch(xhci, &epctx->ring, &xfer->trbs[i], NULL)); 1738 } 1739 xfer->xhci = xhci; 1740 xfer->epid = epid; 1741 xfer->slotid = slotid; 1742 1743 if (epid == 1) { 1744 if (xhci_fire_ctl_transfer(xhci, xfer) >= 0) { 1745 epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE; 1746 } else { 1747 fprintf(stderr, "xhci: error firing CTL transfer\n"); 1748 } 1749 } else { 1750 if (xhci_fire_transfer(xhci, xfer, epctx) >= 0) { 1751 epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE; 1752 } else { 1753 if (!xfer->iso_xfer) { 1754 fprintf(stderr, "xhci: error firing data transfer\n"); 1755 } 1756 } 1757 } 1758 1759 if (epctx->state == EP_HALTED) { 1760 break; 1761 } 1762 if (xfer->running_retry) { 1763 DPRINTF("xhci: xfer nacked, stopping schedule\n"); 1764 epctx->retry = xfer; 1765 break; 1766 } 1767 } 1768 } 1769 1770 static TRBCCode xhci_enable_slot(XHCIState *xhci, unsigned int slotid) 1771 { 1772 trace_usb_xhci_slot_enable(slotid); 1773 assert(slotid >= 1 && slotid <= MAXSLOTS); 1774 xhci->slots[slotid-1].enabled = 1; 1775 xhci->slots[slotid-1].port = 0; 1776 memset(xhci->slots[slotid-1].eps, 0, sizeof(XHCIEPContext*)*31); 1777 1778 return CC_SUCCESS; 1779 } 1780 1781 static TRBCCode xhci_disable_slot(XHCIState *xhci, unsigned int slotid) 1782 { 1783 int i; 1784 1785 trace_usb_xhci_slot_disable(slotid); 1786 assert(slotid >= 1 && slotid <= MAXSLOTS); 1787 1788 for (i = 1; i <= 31; i++) { 1789 if (xhci->slots[slotid-1].eps[i-1]) { 1790 xhci_disable_ep(xhci, slotid, i); 1791 } 1792 } 1793 1794 xhci->slots[slotid-1].enabled = 0; 1795 return CC_SUCCESS; 1796 } 1797 1798 static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid, 1799 uint64_t pictx, bool bsr) 1800 { 1801 XHCISlot *slot; 1802 USBDevice *dev; 1803 dma_addr_t ictx, octx, dcbaap; 1804 uint64_t poctx; 1805 uint32_t ictl_ctx[2]; 1806 uint32_t slot_ctx[4]; 1807 uint32_t ep0_ctx[5]; 1808 unsigned int port; 1809 int i; 1810 TRBCCode res; 1811 1812 trace_usb_xhci_slot_address(slotid); 1813 assert(slotid >= 1 && slotid <= MAXSLOTS); 1814 1815 dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high); 1816 pci_dma_read(&xhci->pci_dev, dcbaap + 8*slotid, &poctx, sizeof(poctx)); 1817 ictx = xhci_mask64(pictx); 1818 octx = xhci_mask64(le64_to_cpu(poctx)); 1819 1820 DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 1821 DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 1822 1823 pci_dma_read(&xhci->pci_dev, ictx, ictl_ctx, sizeof(ictl_ctx)); 1824 1825 if (ictl_ctx[0] != 0x0 || ictl_ctx[1] != 0x3) { 1826 fprintf(stderr, "xhci: invalid input context control %08x %08x\n", 1827 ictl_ctx[0], ictl_ctx[1]); 1828 return CC_TRB_ERROR; 1829 } 1830 1831 pci_dma_read(&xhci->pci_dev, ictx+32, slot_ctx, sizeof(slot_ctx)); 1832 pci_dma_read(&xhci->pci_dev, ictx+64, ep0_ctx, sizeof(ep0_ctx)); 1833 1834 DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n", 1835 slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 1836 1837 DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n", 1838 ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 1839 1840 port = (slot_ctx[1]>>16) & 0xFF; 1841 dev = xhci->ports[port-1].uport->dev; 1842 1843 if (port < 1 || port > xhci->numports) { 1844 fprintf(stderr, "xhci: bad port %d\n", port); 1845 return CC_TRB_ERROR; 1846 } else if (!dev) { 1847 fprintf(stderr, "xhci: port %d not connected\n", port); 1848 return CC_USB_TRANSACTION_ERROR; 1849 } 1850 1851 for (i = 0; i < MAXSLOTS; i++) { 1852 if (xhci->slots[i].port == port) { 1853 fprintf(stderr, "xhci: port %d already assigned to slot %d\n", 1854 port, i+1); 1855 return CC_TRB_ERROR; 1856 } 1857 } 1858 1859 slot = &xhci->slots[slotid-1]; 1860 slot->port = port; 1861 slot->ctx = octx; 1862 1863 if (bsr) { 1864 slot_ctx[3] = SLOT_DEFAULT << SLOT_STATE_SHIFT; 1865 } else { 1866 slot->devaddr = xhci->devaddr++; 1867 slot_ctx[3] = (SLOT_ADDRESSED << SLOT_STATE_SHIFT) | slot->devaddr; 1868 DPRINTF("xhci: device address is %d\n", slot->devaddr); 1869 usb_device_handle_control(dev, NULL, 1870 DeviceOutRequest | USB_REQ_SET_ADDRESS, 1871 slot->devaddr, 0, 0, NULL); 1872 } 1873 1874 res = xhci_enable_ep(xhci, slotid, 1, octx+32, ep0_ctx); 1875 1876 DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 1877 slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 1878 DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n", 1879 ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 1880 1881 pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 1882 pci_dma_write(&xhci->pci_dev, octx+32, ep0_ctx, sizeof(ep0_ctx)); 1883 1884 return res; 1885 } 1886 1887 1888 static TRBCCode xhci_configure_slot(XHCIState *xhci, unsigned int slotid, 1889 uint64_t pictx, bool dc) 1890 { 1891 dma_addr_t ictx, octx; 1892 uint32_t ictl_ctx[2]; 1893 uint32_t slot_ctx[4]; 1894 uint32_t islot_ctx[4]; 1895 uint32_t ep_ctx[5]; 1896 int i; 1897 TRBCCode res; 1898 1899 trace_usb_xhci_slot_configure(slotid); 1900 assert(slotid >= 1 && slotid <= MAXSLOTS); 1901 1902 ictx = xhci_mask64(pictx); 1903 octx = xhci->slots[slotid-1].ctx; 1904 1905 DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 1906 DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 1907 1908 if (dc) { 1909 for (i = 2; i <= 31; i++) { 1910 if (xhci->slots[slotid-1].eps[i-1]) { 1911 xhci_disable_ep(xhci, slotid, i); 1912 } 1913 } 1914 1915 pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 1916 slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 1917 slot_ctx[3] |= SLOT_ADDRESSED << SLOT_STATE_SHIFT; 1918 DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 1919 slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 1920 pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 1921 1922 return CC_SUCCESS; 1923 } 1924 1925 pci_dma_read(&xhci->pci_dev, ictx, ictl_ctx, sizeof(ictl_ctx)); 1926 1927 if ((ictl_ctx[0] & 0x3) != 0x0 || (ictl_ctx[1] & 0x3) != 0x1) { 1928 fprintf(stderr, "xhci: invalid input context control %08x %08x\n", 1929 ictl_ctx[0], ictl_ctx[1]); 1930 return CC_TRB_ERROR; 1931 } 1932 1933 pci_dma_read(&xhci->pci_dev, ictx+32, islot_ctx, sizeof(islot_ctx)); 1934 pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 1935 1936 if (SLOT_STATE(slot_ctx[3]) < SLOT_ADDRESSED) { 1937 fprintf(stderr, "xhci: invalid slot state %08x\n", slot_ctx[3]); 1938 return CC_CONTEXT_STATE_ERROR; 1939 } 1940 1941 for (i = 2; i <= 31; i++) { 1942 if (ictl_ctx[0] & (1<<i)) { 1943 xhci_disable_ep(xhci, slotid, i); 1944 } 1945 if (ictl_ctx[1] & (1<<i)) { 1946 pci_dma_read(&xhci->pci_dev, ictx+32+(32*i), ep_ctx, 1947 sizeof(ep_ctx)); 1948 DPRINTF("xhci: input ep%d.%d context: %08x %08x %08x %08x %08x\n", 1949 i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2], 1950 ep_ctx[3], ep_ctx[4]); 1951 xhci_disable_ep(xhci, slotid, i); 1952 res = xhci_enable_ep(xhci, slotid, i, octx+(32*i), ep_ctx); 1953 if (res != CC_SUCCESS) { 1954 return res; 1955 } 1956 DPRINTF("xhci: output ep%d.%d context: %08x %08x %08x %08x %08x\n", 1957 i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2], 1958 ep_ctx[3], ep_ctx[4]); 1959 pci_dma_write(&xhci->pci_dev, octx+(32*i), ep_ctx, sizeof(ep_ctx)); 1960 } 1961 } 1962 1963 slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 1964 slot_ctx[3] |= SLOT_CONFIGURED << SLOT_STATE_SHIFT; 1965 slot_ctx[0] &= ~(SLOT_CONTEXT_ENTRIES_MASK << SLOT_CONTEXT_ENTRIES_SHIFT); 1966 slot_ctx[0] |= islot_ctx[0] & (SLOT_CONTEXT_ENTRIES_MASK << 1967 SLOT_CONTEXT_ENTRIES_SHIFT); 1968 DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 1969 slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 1970 1971 pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 1972 1973 return CC_SUCCESS; 1974 } 1975 1976 1977 static TRBCCode xhci_evaluate_slot(XHCIState *xhci, unsigned int slotid, 1978 uint64_t pictx) 1979 { 1980 dma_addr_t ictx, octx; 1981 uint32_t ictl_ctx[2]; 1982 uint32_t iep0_ctx[5]; 1983 uint32_t ep0_ctx[5]; 1984 uint32_t islot_ctx[4]; 1985 uint32_t slot_ctx[4]; 1986 1987 trace_usb_xhci_slot_evaluate(slotid); 1988 assert(slotid >= 1 && slotid <= MAXSLOTS); 1989 1990 ictx = xhci_mask64(pictx); 1991 octx = xhci->slots[slotid-1].ctx; 1992 1993 DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 1994 DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 1995 1996 pci_dma_read(&xhci->pci_dev, ictx, ictl_ctx, sizeof(ictl_ctx)); 1997 1998 if (ictl_ctx[0] != 0x0 || ictl_ctx[1] & ~0x3) { 1999 fprintf(stderr, "xhci: invalid input context control %08x %08x\n", 2000 ictl_ctx[0], ictl_ctx[1]); 2001 return CC_TRB_ERROR; 2002 } 2003 2004 if (ictl_ctx[1] & 0x1) { 2005 pci_dma_read(&xhci->pci_dev, ictx+32, islot_ctx, sizeof(islot_ctx)); 2006 2007 DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n", 2008 islot_ctx[0], islot_ctx[1], islot_ctx[2], islot_ctx[3]); 2009 2010 pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 2011 2012 slot_ctx[1] &= ~0xFFFF; /* max exit latency */ 2013 slot_ctx[1] |= islot_ctx[1] & 0xFFFF; 2014 slot_ctx[2] &= ~0xFF00000; /* interrupter target */ 2015 slot_ctx[2] |= islot_ctx[2] & 0xFF000000; 2016 2017 DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2018 slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2019 2020 pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 2021 } 2022 2023 if (ictl_ctx[1] & 0x2) { 2024 pci_dma_read(&xhci->pci_dev, ictx+64, iep0_ctx, sizeof(iep0_ctx)); 2025 2026 DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n", 2027 iep0_ctx[0], iep0_ctx[1], iep0_ctx[2], 2028 iep0_ctx[3], iep0_ctx[4]); 2029 2030 pci_dma_read(&xhci->pci_dev, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2031 2032 ep0_ctx[1] &= ~0xFFFF0000; /* max packet size*/ 2033 ep0_ctx[1] |= iep0_ctx[1] & 0xFFFF0000; 2034 2035 DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n", 2036 ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 2037 2038 pci_dma_write(&xhci->pci_dev, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2039 } 2040 2041 return CC_SUCCESS; 2042 } 2043 2044 static TRBCCode xhci_reset_slot(XHCIState *xhci, unsigned int slotid) 2045 { 2046 uint32_t slot_ctx[4]; 2047 dma_addr_t octx; 2048 int i; 2049 2050 trace_usb_xhci_slot_reset(slotid); 2051 assert(slotid >= 1 && slotid <= MAXSLOTS); 2052 2053 octx = xhci->slots[slotid-1].ctx; 2054 2055 DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2056 2057 for (i = 2; i <= 31; i++) { 2058 if (xhci->slots[slotid-1].eps[i-1]) { 2059 xhci_disable_ep(xhci, slotid, i); 2060 } 2061 } 2062 2063 pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 2064 slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2065 slot_ctx[3] |= SLOT_DEFAULT << SLOT_STATE_SHIFT; 2066 DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2067 slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2068 pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 2069 2070 return CC_SUCCESS; 2071 } 2072 2073 static unsigned int xhci_get_slot(XHCIState *xhci, XHCIEvent *event, XHCITRB *trb) 2074 { 2075 unsigned int slotid; 2076 slotid = (trb->control >> TRB_CR_SLOTID_SHIFT) & TRB_CR_SLOTID_MASK; 2077 if (slotid < 1 || slotid > MAXSLOTS) { 2078 fprintf(stderr, "xhci: bad slot id %d\n", slotid); 2079 event->ccode = CC_TRB_ERROR; 2080 return 0; 2081 } else if (!xhci->slots[slotid-1].enabled) { 2082 fprintf(stderr, "xhci: slot id %d not enabled\n", slotid); 2083 event->ccode = CC_SLOT_NOT_ENABLED_ERROR; 2084 return 0; 2085 } 2086 return slotid; 2087 } 2088 2089 static TRBCCode xhci_get_port_bandwidth(XHCIState *xhci, uint64_t pctx) 2090 { 2091 dma_addr_t ctx; 2092 uint8_t bw_ctx[xhci->numports+1]; 2093 2094 DPRINTF("xhci_get_port_bandwidth()\n"); 2095 2096 ctx = xhci_mask64(pctx); 2097 2098 DPRINTF("xhci: bandwidth context at "DMA_ADDR_FMT"\n", ctx); 2099 2100 /* TODO: actually implement real values here */ 2101 bw_ctx[0] = 0; 2102 memset(&bw_ctx[1], 80, xhci->numports); /* 80% */ 2103 pci_dma_write(&xhci->pci_dev, ctx, bw_ctx, sizeof(bw_ctx)); 2104 2105 return CC_SUCCESS; 2106 } 2107 2108 static uint32_t rotl(uint32_t v, unsigned count) 2109 { 2110 count &= 31; 2111 return (v << count) | (v >> (32 - count)); 2112 } 2113 2114 2115 static uint32_t xhci_nec_challenge(uint32_t hi, uint32_t lo) 2116 { 2117 uint32_t val; 2118 val = rotl(lo - 0x49434878, 32 - ((hi>>8) & 0x1F)); 2119 val += rotl(lo + 0x49434878, hi & 0x1F); 2120 val -= rotl(hi ^ 0x49434878, (lo >> 16) & 0x1F); 2121 return ~val; 2122 } 2123 2124 static void xhci_via_challenge(XHCIState *xhci, uint64_t addr) 2125 { 2126 uint32_t buf[8]; 2127 uint32_t obuf[8]; 2128 dma_addr_t paddr = xhci_mask64(addr); 2129 2130 pci_dma_read(&xhci->pci_dev, paddr, &buf, 32); 2131 2132 memcpy(obuf, buf, sizeof(obuf)); 2133 2134 if ((buf[0] & 0xff) == 2) { 2135 obuf[0] = 0x49932000 + 0x54dc200 * buf[2] + 0x7429b578 * buf[3]; 2136 obuf[0] |= (buf[2] * buf[3]) & 0xff; 2137 obuf[1] = 0x0132bb37 + 0xe89 * buf[2] + 0xf09 * buf[3]; 2138 obuf[2] = 0x0066c2e9 + 0x2091 * buf[2] + 0x19bd * buf[3]; 2139 obuf[3] = 0xd5281342 + 0x2cc9691 * buf[2] + 0x2367662 * buf[3]; 2140 obuf[4] = 0x0123c75c + 0x1595 * buf[2] + 0x19ec * buf[3]; 2141 obuf[5] = 0x00f695de + 0x26fd * buf[2] + 0x3e9 * buf[3]; 2142 obuf[6] = obuf[2] ^ obuf[3] ^ 0x29472956; 2143 obuf[7] = obuf[2] ^ obuf[3] ^ 0x65866593; 2144 } 2145 2146 pci_dma_write(&xhci->pci_dev, paddr, &obuf, 32); 2147 } 2148 2149 static void xhci_process_commands(XHCIState *xhci) 2150 { 2151 XHCITRB trb; 2152 TRBType type; 2153 XHCIEvent event = {ER_COMMAND_COMPLETE, CC_SUCCESS}; 2154 dma_addr_t addr; 2155 unsigned int i, slotid = 0; 2156 2157 DPRINTF("xhci_process_commands()\n"); 2158 if (!xhci_running(xhci)) { 2159 DPRINTF("xhci_process_commands() called while xHC stopped or paused\n"); 2160 return; 2161 } 2162 2163 xhci->crcr_low |= CRCR_CRR; 2164 2165 while ((type = xhci_ring_fetch(xhci, &xhci->cmd_ring, &trb, &addr))) { 2166 event.ptr = addr; 2167 switch (type) { 2168 case CR_ENABLE_SLOT: 2169 for (i = 0; i < MAXSLOTS; i++) { 2170 if (!xhci->slots[i].enabled) { 2171 break; 2172 } 2173 } 2174 if (i >= MAXSLOTS) { 2175 fprintf(stderr, "xhci: no device slots available\n"); 2176 event.ccode = CC_NO_SLOTS_ERROR; 2177 } else { 2178 slotid = i+1; 2179 event.ccode = xhci_enable_slot(xhci, slotid); 2180 } 2181 break; 2182 case CR_DISABLE_SLOT: 2183 slotid = xhci_get_slot(xhci, &event, &trb); 2184 if (slotid) { 2185 event.ccode = xhci_disable_slot(xhci, slotid); 2186 } 2187 break; 2188 case CR_ADDRESS_DEVICE: 2189 slotid = xhci_get_slot(xhci, &event, &trb); 2190 if (slotid) { 2191 event.ccode = xhci_address_slot(xhci, slotid, trb.parameter, 2192 trb.control & TRB_CR_BSR); 2193 } 2194 break; 2195 case CR_CONFIGURE_ENDPOINT: 2196 slotid = xhci_get_slot(xhci, &event, &trb); 2197 if (slotid) { 2198 event.ccode = xhci_configure_slot(xhci, slotid, trb.parameter, 2199 trb.control & TRB_CR_DC); 2200 } 2201 break; 2202 case CR_EVALUATE_CONTEXT: 2203 slotid = xhci_get_slot(xhci, &event, &trb); 2204 if (slotid) { 2205 event.ccode = xhci_evaluate_slot(xhci, slotid, trb.parameter); 2206 } 2207 break; 2208 case CR_STOP_ENDPOINT: 2209 slotid = xhci_get_slot(xhci, &event, &trb); 2210 if (slotid) { 2211 unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2212 & TRB_CR_EPID_MASK; 2213 event.ccode = xhci_stop_ep(xhci, slotid, epid); 2214 } 2215 break; 2216 case CR_RESET_ENDPOINT: 2217 slotid = xhci_get_slot(xhci, &event, &trb); 2218 if (slotid) { 2219 unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2220 & TRB_CR_EPID_MASK; 2221 event.ccode = xhci_reset_ep(xhci, slotid, epid); 2222 } 2223 break; 2224 case CR_SET_TR_DEQUEUE: 2225 slotid = xhci_get_slot(xhci, &event, &trb); 2226 if (slotid) { 2227 unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2228 & TRB_CR_EPID_MASK; 2229 event.ccode = xhci_set_ep_dequeue(xhci, slotid, epid, 2230 trb.parameter); 2231 } 2232 break; 2233 case CR_RESET_DEVICE: 2234 slotid = xhci_get_slot(xhci, &event, &trb); 2235 if (slotid) { 2236 event.ccode = xhci_reset_slot(xhci, slotid); 2237 } 2238 break; 2239 case CR_GET_PORT_BANDWIDTH: 2240 event.ccode = xhci_get_port_bandwidth(xhci, trb.parameter); 2241 break; 2242 case CR_VENDOR_VIA_CHALLENGE_RESPONSE: 2243 xhci_via_challenge(xhci, trb.parameter); 2244 break; 2245 case CR_VENDOR_NEC_FIRMWARE_REVISION: 2246 event.type = 48; /* NEC reply */ 2247 event.length = 0x3025; 2248 break; 2249 case CR_VENDOR_NEC_CHALLENGE_RESPONSE: 2250 { 2251 uint32_t chi = trb.parameter >> 32; 2252 uint32_t clo = trb.parameter; 2253 uint32_t val = xhci_nec_challenge(chi, clo); 2254 event.length = val & 0xFFFF; 2255 event.epid = val >> 16; 2256 slotid = val >> 24; 2257 event.type = 48; /* NEC reply */ 2258 } 2259 break; 2260 default: 2261 fprintf(stderr, "xhci: unimplemented command %d\n", type); 2262 event.ccode = CC_TRB_ERROR; 2263 break; 2264 } 2265 event.slotid = slotid; 2266 xhci_event(xhci, &event, 0); 2267 } 2268 } 2269 2270 static void xhci_update_port(XHCIState *xhci, XHCIPort *port, int is_detach) 2271 { 2272 port->portsc = PORTSC_PP; 2273 if (port->uport->dev && port->uport->dev->attached && !is_detach && 2274 (1 << port->uport->dev->speed) & port->speedmask) { 2275 port->portsc |= PORTSC_CCS; 2276 switch (port->uport->dev->speed) { 2277 case USB_SPEED_LOW: 2278 port->portsc |= PORTSC_SPEED_LOW; 2279 break; 2280 case USB_SPEED_FULL: 2281 port->portsc |= PORTSC_SPEED_FULL; 2282 break; 2283 case USB_SPEED_HIGH: 2284 port->portsc |= PORTSC_SPEED_HIGH; 2285 break; 2286 case USB_SPEED_SUPER: 2287 port->portsc |= PORTSC_SPEED_SUPER; 2288 break; 2289 } 2290 } 2291 2292 if (xhci_running(xhci)) { 2293 port->portsc |= PORTSC_CSC; 2294 XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS, 2295 port->portnr << 24}; 2296 xhci_event(xhci, &ev, 0); 2297 DPRINTF("xhci: port change event for port %d\n", port->portnr); 2298 } 2299 } 2300 2301 static void xhci_reset(DeviceState *dev) 2302 { 2303 XHCIState *xhci = DO_UPCAST(XHCIState, pci_dev.qdev, dev); 2304 int i; 2305 2306 trace_usb_xhci_reset(); 2307 if (!(xhci->usbsts & USBSTS_HCH)) { 2308 fprintf(stderr, "xhci: reset while running!\n"); 2309 } 2310 2311 xhci->usbcmd = 0; 2312 xhci->usbsts = USBSTS_HCH; 2313 xhci->dnctrl = 0; 2314 xhci->crcr_low = 0; 2315 xhci->crcr_high = 0; 2316 xhci->dcbaap_low = 0; 2317 xhci->dcbaap_high = 0; 2318 xhci->config = 0; 2319 xhci->devaddr = 2; 2320 2321 for (i = 0; i < MAXSLOTS; i++) { 2322 xhci_disable_slot(xhci, i+1); 2323 } 2324 2325 for (i = 0; i < xhci->numports; i++) { 2326 xhci_update_port(xhci, xhci->ports + i, 0); 2327 } 2328 2329 for (i = 0; i < MAXINTRS; i++) { 2330 xhci->intr[i].iman = 0; 2331 xhci->intr[i].imod = 0; 2332 xhci->intr[i].erstsz = 0; 2333 xhci->intr[i].erstba_low = 0; 2334 xhci->intr[i].erstba_high = 0; 2335 xhci->intr[i].erdp_low = 0; 2336 xhci->intr[i].erdp_high = 0; 2337 xhci->intr[i].msix_used = 0; 2338 2339 xhci->intr[i].er_ep_idx = 0; 2340 xhci->intr[i].er_pcs = 1; 2341 xhci->intr[i].er_full = 0; 2342 xhci->intr[i].ev_buffer_put = 0; 2343 xhci->intr[i].ev_buffer_get = 0; 2344 } 2345 2346 xhci->mfindex_start = qemu_get_clock_ns(vm_clock); 2347 xhci_mfwrap_update(xhci); 2348 } 2349 2350 static uint32_t xhci_cap_read(XHCIState *xhci, uint32_t reg) 2351 { 2352 uint32_t ret; 2353 2354 switch (reg) { 2355 case 0x00: /* HCIVERSION, CAPLENGTH */ 2356 ret = 0x01000000 | LEN_CAP; 2357 break; 2358 case 0x04: /* HCSPARAMS 1 */ 2359 ret = ((xhci->numports_2+xhci->numports_3)<<24) 2360 | (MAXINTRS<<8) | MAXSLOTS; 2361 break; 2362 case 0x08: /* HCSPARAMS 2 */ 2363 ret = 0x0000000f; 2364 break; 2365 case 0x0c: /* HCSPARAMS 3 */ 2366 ret = 0x00000000; 2367 break; 2368 case 0x10: /* HCCPARAMS */ 2369 if (sizeof(dma_addr_t) == 4) { 2370 ret = 0x00081000; 2371 } else { 2372 ret = 0x00081001; 2373 } 2374 break; 2375 case 0x14: /* DBOFF */ 2376 ret = OFF_DOORBELL; 2377 break; 2378 case 0x18: /* RTSOFF */ 2379 ret = OFF_RUNTIME; 2380 break; 2381 2382 /* extended capabilities */ 2383 case 0x20: /* Supported Protocol:00 */ 2384 ret = 0x02000402; /* USB 2.0 */ 2385 break; 2386 case 0x24: /* Supported Protocol:04 */ 2387 ret = 0x20425455; /* "USB " */ 2388 break; 2389 case 0x28: /* Supported Protocol:08 */ 2390 ret = 0x00000001 | (xhci->numports_2<<8); 2391 break; 2392 case 0x2c: /* Supported Protocol:0c */ 2393 ret = 0x00000000; /* reserved */ 2394 break; 2395 case 0x30: /* Supported Protocol:00 */ 2396 ret = 0x03000002; /* USB 3.0 */ 2397 break; 2398 case 0x34: /* Supported Protocol:04 */ 2399 ret = 0x20425455; /* "USB " */ 2400 break; 2401 case 0x38: /* Supported Protocol:08 */ 2402 ret = 0x00000000 | (xhci->numports_2+1) | (xhci->numports_3<<8); 2403 break; 2404 case 0x3c: /* Supported Protocol:0c */ 2405 ret = 0x00000000; /* reserved */ 2406 break; 2407 default: 2408 fprintf(stderr, "xhci_cap_read: reg %d unimplemented\n", reg); 2409 ret = 0; 2410 } 2411 2412 trace_usb_xhci_cap_read(reg, ret); 2413 return ret; 2414 } 2415 2416 static uint32_t xhci_port_read(XHCIState *xhci, uint32_t reg) 2417 { 2418 uint32_t port = reg >> 4; 2419 uint32_t ret; 2420 2421 if (port >= xhci->numports) { 2422 fprintf(stderr, "xhci_port_read: port %d out of bounds\n", port); 2423 ret = 0; 2424 goto out; 2425 } 2426 2427 switch (reg & 0xf) { 2428 case 0x00: /* PORTSC */ 2429 ret = xhci->ports[port].portsc; 2430 break; 2431 case 0x04: /* PORTPMSC */ 2432 case 0x08: /* PORTLI */ 2433 ret = 0; 2434 break; 2435 case 0x0c: /* reserved */ 2436 default: 2437 fprintf(stderr, "xhci_port_read (port %d): reg 0x%x unimplemented\n", 2438 port, reg); 2439 ret = 0; 2440 } 2441 2442 out: 2443 trace_usb_xhci_port_read(port, reg & 0x0f, ret); 2444 return ret; 2445 } 2446 2447 static void xhci_port_write(XHCIState *xhci, uint32_t reg, uint32_t val) 2448 { 2449 uint32_t port = reg >> 4; 2450 uint32_t portsc; 2451 2452 trace_usb_xhci_port_write(port, reg & 0x0f, val); 2453 2454 if (port >= xhci->numports) { 2455 fprintf(stderr, "xhci_port_read: port %d out of bounds\n", port); 2456 return; 2457 } 2458 2459 switch (reg & 0xf) { 2460 case 0x00: /* PORTSC */ 2461 portsc = xhci->ports[port].portsc; 2462 /* write-1-to-clear bits*/ 2463 portsc &= ~(val & (PORTSC_CSC|PORTSC_PEC|PORTSC_WRC|PORTSC_OCC| 2464 PORTSC_PRC|PORTSC_PLC|PORTSC_CEC)); 2465 if (val & PORTSC_LWS) { 2466 /* overwrite PLS only when LWS=1 */ 2467 portsc &= ~(PORTSC_PLS_MASK << PORTSC_PLS_SHIFT); 2468 portsc |= val & (PORTSC_PLS_MASK << PORTSC_PLS_SHIFT); 2469 } 2470 /* read/write bits */ 2471 portsc &= ~(PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE); 2472 portsc |= (val & (PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE)); 2473 /* write-1-to-start bits */ 2474 if (val & PORTSC_PR) { 2475 DPRINTF("xhci: port %d reset\n", port); 2476 usb_device_reset(xhci->ports[port].uport->dev); 2477 portsc |= PORTSC_PRC | PORTSC_PED; 2478 } 2479 xhci->ports[port].portsc = portsc; 2480 break; 2481 case 0x04: /* PORTPMSC */ 2482 case 0x08: /* PORTLI */ 2483 default: 2484 fprintf(stderr, "xhci_port_write (port %d): reg 0x%x unimplemented\n", 2485 port, reg); 2486 } 2487 } 2488 2489 static uint32_t xhci_oper_read(XHCIState *xhci, uint32_t reg) 2490 { 2491 uint32_t ret; 2492 2493 if (reg >= 0x400) { 2494 return xhci_port_read(xhci, reg - 0x400); 2495 } 2496 2497 switch (reg) { 2498 case 0x00: /* USBCMD */ 2499 ret = xhci->usbcmd; 2500 break; 2501 case 0x04: /* USBSTS */ 2502 ret = xhci->usbsts; 2503 break; 2504 case 0x08: /* PAGESIZE */ 2505 ret = 1; /* 4KiB */ 2506 break; 2507 case 0x14: /* DNCTRL */ 2508 ret = xhci->dnctrl; 2509 break; 2510 case 0x18: /* CRCR low */ 2511 ret = xhci->crcr_low & ~0xe; 2512 break; 2513 case 0x1c: /* CRCR high */ 2514 ret = xhci->crcr_high; 2515 break; 2516 case 0x30: /* DCBAAP low */ 2517 ret = xhci->dcbaap_low; 2518 break; 2519 case 0x34: /* DCBAAP high */ 2520 ret = xhci->dcbaap_high; 2521 break; 2522 case 0x38: /* CONFIG */ 2523 ret = xhci->config; 2524 break; 2525 default: 2526 fprintf(stderr, "xhci_oper_read: reg 0x%x unimplemented\n", reg); 2527 ret = 0; 2528 } 2529 2530 trace_usb_xhci_oper_read(reg, ret); 2531 return ret; 2532 } 2533 2534 static void xhci_oper_write(XHCIState *xhci, uint32_t reg, uint32_t val) 2535 { 2536 if (reg >= 0x400) { 2537 xhci_port_write(xhci, reg - 0x400, val); 2538 return; 2539 } 2540 2541 trace_usb_xhci_oper_write(reg, val); 2542 2543 switch (reg) { 2544 case 0x00: /* USBCMD */ 2545 if ((val & USBCMD_RS) && !(xhci->usbcmd & USBCMD_RS)) { 2546 xhci_run(xhci); 2547 } else if (!(val & USBCMD_RS) && (xhci->usbcmd & USBCMD_RS)) { 2548 xhci_stop(xhci); 2549 } 2550 xhci->usbcmd = val & 0xc0f; 2551 xhci_mfwrap_update(xhci); 2552 if (val & USBCMD_HCRST) { 2553 xhci_reset(&xhci->pci_dev.qdev); 2554 } 2555 xhci_intx_update(xhci); 2556 break; 2557 2558 case 0x04: /* USBSTS */ 2559 /* these bits are write-1-to-clear */ 2560 xhci->usbsts &= ~(val & (USBSTS_HSE|USBSTS_EINT|USBSTS_PCD|USBSTS_SRE)); 2561 xhci_intx_update(xhci); 2562 break; 2563 2564 case 0x14: /* DNCTRL */ 2565 xhci->dnctrl = val & 0xffff; 2566 break; 2567 case 0x18: /* CRCR low */ 2568 xhci->crcr_low = (val & 0xffffffcf) | (xhci->crcr_low & CRCR_CRR); 2569 break; 2570 case 0x1c: /* CRCR high */ 2571 xhci->crcr_high = val; 2572 if (xhci->crcr_low & (CRCR_CA|CRCR_CS) && (xhci->crcr_low & CRCR_CRR)) { 2573 XHCIEvent event = {ER_COMMAND_COMPLETE, CC_COMMAND_RING_STOPPED}; 2574 xhci->crcr_low &= ~CRCR_CRR; 2575 xhci_event(xhci, &event, 0); 2576 DPRINTF("xhci: command ring stopped (CRCR=%08x)\n", xhci->crcr_low); 2577 } else { 2578 dma_addr_t base = xhci_addr64(xhci->crcr_low & ~0x3f, val); 2579 xhci_ring_init(xhci, &xhci->cmd_ring, base); 2580 } 2581 xhci->crcr_low &= ~(CRCR_CA | CRCR_CS); 2582 break; 2583 case 0x30: /* DCBAAP low */ 2584 xhci->dcbaap_low = val & 0xffffffc0; 2585 break; 2586 case 0x34: /* DCBAAP high */ 2587 xhci->dcbaap_high = val; 2588 break; 2589 case 0x38: /* CONFIG */ 2590 xhci->config = val & 0xff; 2591 break; 2592 default: 2593 fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n", reg); 2594 } 2595 } 2596 2597 static uint32_t xhci_runtime_read(XHCIState *xhci, uint32_t reg) 2598 { 2599 uint32_t ret = 0; 2600 2601 if (reg < 0x20) { 2602 switch (reg) { 2603 case 0x00: /* MFINDEX */ 2604 ret = xhci_mfindex_get(xhci) & 0x3fff; 2605 break; 2606 default: 2607 fprintf(stderr, "xhci_runtime_read: reg 0x%x unimplemented\n", reg); 2608 break; 2609 } 2610 } else { 2611 int v = (reg - 0x20) / 0x20; 2612 XHCIInterrupter *intr = &xhci->intr[v]; 2613 switch (reg & 0x1f) { 2614 case 0x00: /* IMAN */ 2615 ret = intr->iman; 2616 break; 2617 case 0x04: /* IMOD */ 2618 ret = intr->imod; 2619 break; 2620 case 0x08: /* ERSTSZ */ 2621 ret = intr->erstsz; 2622 break; 2623 case 0x10: /* ERSTBA low */ 2624 ret = intr->erstba_low; 2625 break; 2626 case 0x14: /* ERSTBA high */ 2627 ret = intr->erstba_high; 2628 break; 2629 case 0x18: /* ERDP low */ 2630 ret = intr->erdp_low; 2631 break; 2632 case 0x1c: /* ERDP high */ 2633 ret = intr->erdp_high; 2634 break; 2635 } 2636 } 2637 2638 trace_usb_xhci_runtime_read(reg, ret); 2639 return ret; 2640 } 2641 2642 static void xhci_runtime_write(XHCIState *xhci, uint32_t reg, uint32_t val) 2643 { 2644 int v = (reg - 0x20) / 0x20; 2645 XHCIInterrupter *intr = &xhci->intr[v]; 2646 trace_usb_xhci_runtime_write(reg, val); 2647 2648 if (reg < 0x20) { 2649 fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n", reg); 2650 return; 2651 } 2652 2653 switch (reg & 0x1f) { 2654 case 0x00: /* IMAN */ 2655 if (val & IMAN_IP) { 2656 intr->iman &= ~IMAN_IP; 2657 } 2658 intr->iman &= ~IMAN_IE; 2659 intr->iman |= val & IMAN_IE; 2660 if (v == 0) { 2661 xhci_intx_update(xhci); 2662 } 2663 xhci_msix_update(xhci, v); 2664 break; 2665 case 0x04: /* IMOD */ 2666 intr->imod = val; 2667 break; 2668 case 0x08: /* ERSTSZ */ 2669 intr->erstsz = val & 0xffff; 2670 break; 2671 case 0x10: /* ERSTBA low */ 2672 /* XXX NEC driver bug: it doesn't align this to 64 bytes 2673 intr->erstba_low = val & 0xffffffc0; */ 2674 intr->erstba_low = val & 0xfffffff0; 2675 break; 2676 case 0x14: /* ERSTBA high */ 2677 intr->erstba_high = val; 2678 xhci_er_reset(xhci, v); 2679 break; 2680 case 0x18: /* ERDP low */ 2681 if (val & ERDP_EHB) { 2682 intr->erdp_low &= ~ERDP_EHB; 2683 } 2684 intr->erdp_low = (val & ~ERDP_EHB) | (intr->erdp_low & ERDP_EHB); 2685 break; 2686 case 0x1c: /* ERDP high */ 2687 intr->erdp_high = val; 2688 xhci_events_update(xhci, v); 2689 break; 2690 default: 2691 fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n", reg); 2692 } 2693 } 2694 2695 static uint32_t xhci_doorbell_read(XHCIState *xhci, uint32_t reg) 2696 { 2697 /* doorbells always read as 0 */ 2698 trace_usb_xhci_doorbell_read(reg, 0); 2699 return 0; 2700 } 2701 2702 static void xhci_doorbell_write(XHCIState *xhci, uint32_t reg, uint32_t val) 2703 { 2704 trace_usb_xhci_doorbell_write(reg, val); 2705 2706 if (!xhci_running(xhci)) { 2707 fprintf(stderr, "xhci: wrote doorbell while xHC stopped or paused\n"); 2708 return; 2709 } 2710 2711 reg >>= 2; 2712 2713 if (reg == 0) { 2714 if (val == 0) { 2715 xhci_process_commands(xhci); 2716 } else { 2717 fprintf(stderr, "xhci: bad doorbell 0 write: 0x%x\n", val); 2718 } 2719 } else { 2720 if (reg > MAXSLOTS) { 2721 fprintf(stderr, "xhci: bad doorbell %d\n", reg); 2722 } else if (val > 31) { 2723 fprintf(stderr, "xhci: bad doorbell %d write: 0x%x\n", reg, val); 2724 } else { 2725 xhci_kick_ep(xhci, reg, val); 2726 } 2727 } 2728 } 2729 2730 static uint64_t xhci_mem_read(void *ptr, target_phys_addr_t addr, 2731 unsigned size) 2732 { 2733 XHCIState *xhci = ptr; 2734 2735 /* Only aligned reads are allowed on xHCI */ 2736 if (addr & 3) { 2737 fprintf(stderr, "xhci_mem_read: Mis-aligned read\n"); 2738 return 0; 2739 } 2740 2741 if (addr < LEN_CAP) { 2742 return xhci_cap_read(xhci, addr); 2743 } else if (addr >= OFF_OPER && addr < (OFF_OPER + LEN_OPER)) { 2744 return xhci_oper_read(xhci, addr - OFF_OPER); 2745 } else if (addr >= OFF_RUNTIME && addr < (OFF_RUNTIME + LEN_RUNTIME)) { 2746 return xhci_runtime_read(xhci, addr - OFF_RUNTIME); 2747 } else if (addr >= OFF_DOORBELL && addr < (OFF_DOORBELL + LEN_DOORBELL)) { 2748 return xhci_doorbell_read(xhci, addr - OFF_DOORBELL); 2749 } else { 2750 fprintf(stderr, "xhci_mem_read: Bad offset %x\n", (int)addr); 2751 return 0; 2752 } 2753 } 2754 2755 static void xhci_mem_write(void *ptr, target_phys_addr_t addr, 2756 uint64_t val, unsigned size) 2757 { 2758 XHCIState *xhci = ptr; 2759 2760 /* Only aligned writes are allowed on xHCI */ 2761 if (addr & 3) { 2762 fprintf(stderr, "xhci_mem_write: Mis-aligned write\n"); 2763 return; 2764 } 2765 2766 if (addr >= OFF_OPER && addr < (OFF_OPER + LEN_OPER)) { 2767 xhci_oper_write(xhci, addr - OFF_OPER, val); 2768 } else if (addr >= OFF_RUNTIME && addr < (OFF_RUNTIME + LEN_RUNTIME)) { 2769 xhci_runtime_write(xhci, addr - OFF_RUNTIME, val); 2770 } else if (addr >= OFF_DOORBELL && addr < (OFF_DOORBELL + LEN_DOORBELL)) { 2771 xhci_doorbell_write(xhci, addr - OFF_DOORBELL, val); 2772 } else { 2773 fprintf(stderr, "xhci_mem_write: Bad offset %x\n", (int)addr); 2774 } 2775 } 2776 2777 static const MemoryRegionOps xhci_mem_ops = { 2778 .read = xhci_mem_read, 2779 .write = xhci_mem_write, 2780 .valid.min_access_size = 4, 2781 .valid.max_access_size = 4, 2782 .endianness = DEVICE_LITTLE_ENDIAN, 2783 }; 2784 2785 static void xhci_attach(USBPort *usbport) 2786 { 2787 XHCIState *xhci = usbport->opaque; 2788 XHCIPort *port = xhci_lookup_port(xhci, usbport); 2789 2790 xhci_update_port(xhci, port, 0); 2791 } 2792 2793 static void xhci_detach(USBPort *usbport) 2794 { 2795 XHCIState *xhci = usbport->opaque; 2796 XHCIPort *port = xhci_lookup_port(xhci, usbport); 2797 2798 xhci_update_port(xhci, port, 1); 2799 } 2800 2801 static void xhci_wakeup(USBPort *usbport) 2802 { 2803 XHCIState *xhci = usbport->opaque; 2804 XHCIPort *port = xhci_lookup_port(xhci, usbport); 2805 XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS, 2806 port->portnr << 24}; 2807 uint32_t pls; 2808 2809 pls = (port->portsc >> PORTSC_PLS_SHIFT) & PORTSC_PLS_MASK; 2810 if (pls != 3) { 2811 return; 2812 } 2813 port->portsc |= 0xf << PORTSC_PLS_SHIFT; 2814 if (port->portsc & PORTSC_PLC) { 2815 return; 2816 } 2817 port->portsc |= PORTSC_PLC; 2818 xhci_event(xhci, &ev, 0); 2819 } 2820 2821 static void xhci_complete(USBPort *port, USBPacket *packet) 2822 { 2823 XHCITransfer *xfer = container_of(packet, XHCITransfer, packet); 2824 2825 xhci_complete_packet(xfer, packet->result); 2826 xhci_kick_ep(xfer->xhci, xfer->slotid, xfer->epid); 2827 } 2828 2829 static void xhci_child_detach(USBPort *port, USBDevice *child) 2830 { 2831 FIXME(); 2832 } 2833 2834 static USBPortOps xhci_port_ops = { 2835 .attach = xhci_attach, 2836 .detach = xhci_detach, 2837 .wakeup = xhci_wakeup, 2838 .complete = xhci_complete, 2839 .child_detach = xhci_child_detach, 2840 }; 2841 2842 static int xhci_find_slotid(XHCIState *xhci, USBDevice *dev) 2843 { 2844 XHCISlot *slot; 2845 int slotid; 2846 2847 for (slotid = 1; slotid <= MAXSLOTS; slotid++) { 2848 slot = &xhci->slots[slotid-1]; 2849 if (slot->devaddr == dev->addr) { 2850 return slotid; 2851 } 2852 } 2853 return 0; 2854 } 2855 2856 static int xhci_find_epid(USBEndpoint *ep) 2857 { 2858 if (ep->nr == 0) { 2859 return 1; 2860 } 2861 if (ep->pid == USB_TOKEN_IN) { 2862 return ep->nr * 2 + 1; 2863 } else { 2864 return ep->nr * 2; 2865 } 2866 } 2867 2868 static void xhci_wakeup_endpoint(USBBus *bus, USBEndpoint *ep) 2869 { 2870 XHCIState *xhci = container_of(bus, XHCIState, bus); 2871 int slotid; 2872 2873 DPRINTF("%s\n", __func__); 2874 slotid = xhci_find_slotid(xhci, ep->dev); 2875 if (slotid == 0 || !xhci->slots[slotid-1].enabled) { 2876 DPRINTF("%s: oops, no slot for dev %d\n", __func__, ep->dev->addr); 2877 return; 2878 } 2879 xhci_kick_ep(xhci, slotid, xhci_find_epid(ep)); 2880 } 2881 2882 static USBBusOps xhci_bus_ops = { 2883 .wakeup_endpoint = xhci_wakeup_endpoint, 2884 }; 2885 2886 static void usb_xhci_init(XHCIState *xhci, DeviceState *dev) 2887 { 2888 XHCIPort *port; 2889 int i, usbports, speedmask; 2890 2891 xhci->usbsts = USBSTS_HCH; 2892 2893 if (xhci->numports_2 > MAXPORTS_2) { 2894 xhci->numports_2 = MAXPORTS_2; 2895 } 2896 if (xhci->numports_3 > MAXPORTS_3) { 2897 xhci->numports_3 = MAXPORTS_3; 2898 } 2899 usbports = MAX(xhci->numports_2, xhci->numports_3); 2900 xhci->numports = xhci->numports_2 + xhci->numports_3; 2901 2902 usb_bus_new(&xhci->bus, &xhci_bus_ops, &xhci->pci_dev.qdev); 2903 2904 for (i = 0; i < usbports; i++) { 2905 speedmask = 0; 2906 if (i < xhci->numports_2) { 2907 port = &xhci->ports[i]; 2908 port->portnr = i + 1; 2909 port->uport = &xhci->uports[i]; 2910 port->speedmask = 2911 USB_SPEED_MASK_LOW | 2912 USB_SPEED_MASK_FULL | 2913 USB_SPEED_MASK_HIGH; 2914 speedmask |= port->speedmask; 2915 } 2916 if (i < xhci->numports_3) { 2917 port = &xhci->ports[i + xhci->numports_2]; 2918 port->portnr = i + 1 + xhci->numports_2; 2919 port->uport = &xhci->uports[i]; 2920 port->speedmask = USB_SPEED_MASK_SUPER; 2921 speedmask |= port->speedmask; 2922 } 2923 usb_register_port(&xhci->bus, &xhci->uports[i], xhci, i, 2924 &xhci_port_ops, speedmask); 2925 } 2926 } 2927 2928 static int usb_xhci_initfn(struct PCIDevice *dev) 2929 { 2930 int ret; 2931 2932 XHCIState *xhci = DO_UPCAST(XHCIState, pci_dev, dev); 2933 2934 xhci->pci_dev.config[PCI_CLASS_PROG] = 0x30; /* xHCI */ 2935 xhci->pci_dev.config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin 1 */ 2936 xhci->pci_dev.config[PCI_CACHE_LINE_SIZE] = 0x10; 2937 xhci->pci_dev.config[0x60] = 0x30; /* release number */ 2938 2939 usb_xhci_init(xhci, &dev->qdev); 2940 2941 xhci->mfwrap_timer = qemu_new_timer_ns(vm_clock, xhci_mfwrap_timer, xhci); 2942 2943 xhci->irq = xhci->pci_dev.irq[0]; 2944 2945 memory_region_init_io(&xhci->mem, &xhci_mem_ops, xhci, 2946 "xhci", LEN_REGS); 2947 pci_register_bar(&xhci->pci_dev, 0, 2948 PCI_BASE_ADDRESS_SPACE_MEMORY|PCI_BASE_ADDRESS_MEM_TYPE_64, 2949 &xhci->mem); 2950 2951 ret = pcie_cap_init(&xhci->pci_dev, 0xa0, PCI_EXP_TYPE_ENDPOINT, 0); 2952 assert(ret >= 0); 2953 2954 if (xhci->flags & (1 << XHCI_FLAG_USE_MSI)) { 2955 msi_init(&xhci->pci_dev, 0x70, MAXINTRS, true, false); 2956 } 2957 if (xhci->flags & (1 << XHCI_FLAG_USE_MSI_X)) { 2958 msix_init(&xhci->pci_dev, MAXINTRS, 2959 &xhci->mem, 0, OFF_MSIX_TABLE, 2960 &xhci->mem, 0, OFF_MSIX_PBA, 2961 0x90); 2962 } 2963 2964 return 0; 2965 } 2966 2967 static const VMStateDescription vmstate_xhci = { 2968 .name = "xhci", 2969 .unmigratable = 1, 2970 }; 2971 2972 static Property xhci_properties[] = { 2973 DEFINE_PROP_BIT("msi", XHCIState, flags, XHCI_FLAG_USE_MSI, true), 2974 DEFINE_PROP_BIT("msix", XHCIState, flags, XHCI_FLAG_USE_MSI_X, true), 2975 DEFINE_PROP_UINT32("p2", XHCIState, numports_2, 4), 2976 DEFINE_PROP_UINT32("p3", XHCIState, numports_3, 4), 2977 DEFINE_PROP_END_OF_LIST(), 2978 }; 2979 2980 static void xhci_class_init(ObjectClass *klass, void *data) 2981 { 2982 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 2983 DeviceClass *dc = DEVICE_CLASS(klass); 2984 2985 dc->vmsd = &vmstate_xhci; 2986 dc->props = xhci_properties; 2987 dc->reset = xhci_reset; 2988 k->init = usb_xhci_initfn; 2989 k->vendor_id = PCI_VENDOR_ID_NEC; 2990 k->device_id = PCI_DEVICE_ID_NEC_UPD720200; 2991 k->class_id = PCI_CLASS_SERIAL_USB; 2992 k->revision = 0x03; 2993 k->is_express = 1; 2994 } 2995 2996 static TypeInfo xhci_info = { 2997 .name = "nec-usb-xhci", 2998 .parent = TYPE_PCI_DEVICE, 2999 .instance_size = sizeof(XHCIState), 3000 .class_init = xhci_class_init, 3001 }; 3002 3003 static void xhci_register_types(void) 3004 { 3005 type_register_static(&xhci_info); 3006 } 3007 3008 type_init(xhci_register_types) 3009