| File: | hw/usb/hcd-xhci.c |
| Location: | line 1599, column 9 |
| Description: | Value stored to 'ep' is never read |
| 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/pci.h" |
| 25 | #include "hw/pci/msi.h" |
| 26 | #include "hw/pci/msix.h" |
| 27 | #include "trace.h" |
| 28 | |
| 29 | //#define DEBUG_XHCI |
| 30 | //#define DEBUG_DATA |
| 31 | |
| 32 | #ifdef DEBUG_XHCI |
| 33 | #define DPRINTF(...)do {} while (0) fprintf(stderrstderr, __VA_ARGS__) |
| 34 | #else |
| 35 | #define DPRINTF(...)do {} while (0) do {} while (0) |
| 36 | #endif |
| 37 | #define FIXME(_msg)do { fprintf(stderr, "FIXME %s:%d %s\n", __func__, 37, _msg); abort(); } while (0) do { fprintf(stderrstderr, "FIXME %s:%d %s\n", \ |
| 38 | __func__, __LINE__38, _msg); abort(); } while (0) |
| 39 | |
| 40 | #define MAXPORTS_215 15 |
| 41 | #define MAXPORTS_315 15 |
| 42 | |
| 43 | #define MAXPORTS(15 +15) (MAXPORTS_215+MAXPORTS_315) |
| 44 | #define MAXSLOTS64 64 |
| 45 | #define MAXINTRS16 16 |
| 46 | |
| 47 | #define TD_QUEUE24 24 |
| 48 | |
| 49 | /* Very pessimistic, let's hope it's enough for all cases */ |
| 50 | #define EV_QUEUE(((3*24)+16)*64) (((3*TD_QUEUE24)+16)*MAXSLOTS64) |
| 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_CAP0x40 0x40 |
| 56 | #define LEN_OPER(0x400 + 0x10 * (15 +15)) (0x400 + 0x10 * MAXPORTS(15 +15)) |
| 57 | #define LEN_RUNTIME((16 + 1) * 0x20) ((MAXINTRS16 + 1) * 0x20) |
| 58 | #define LEN_DOORBELL((64 + 1) * 0x20) ((MAXSLOTS64 + 1) * 0x20) |
| 59 | |
| 60 | #define OFF_OPER0x40 LEN_CAP0x40 |
| 61 | #define OFF_RUNTIME0x1000 0x1000 |
| 62 | #define OFF_DOORBELL0x2000 0x2000 |
| 63 | #define OFF_MSIX_TABLE0x3000 0x3000 |
| 64 | #define OFF_MSIX_PBA0x3800 0x3800 |
| 65 | /* must be power of 2 */ |
| 66 | #define LEN_REGS0x4000 0x4000 |
| 67 | |
| 68 | #if (OFF_OPER0x40 + LEN_OPER(0x400 + 0x10 * (15 +15))) > OFF_RUNTIME0x1000 |
| 69 | #error Increase OFF_RUNTIME0x1000 |
| 70 | #endif |
| 71 | #if (OFF_RUNTIME0x1000 + LEN_RUNTIME((16 + 1) * 0x20)) > OFF_DOORBELL0x2000 |
| 72 | #error Increase OFF_DOORBELL0x2000 |
| 73 | #endif |
| 74 | #if (OFF_DOORBELL0x2000 + LEN_DOORBELL((64 + 1) * 0x20)) > LEN_REGS0x4000 |
| 75 | # error Increase LEN_REGS0x4000 |
| 76 | #endif |
| 77 | |
| 78 | /* bit definitions */ |
| 79 | #define USBCMD_RS(1<<0) (1<<0) |
| 80 | #define USBCMD_HCRST(1<<1) (1<<1) |
| 81 | #define USBCMD_INTE(1<<2) (1<<2) |
| 82 | #define USBCMD_HSEE(1<<3) (1<<3) |
| 83 | #define USBCMD_LHCRST(1<<7) (1<<7) |
| 84 | #define USBCMD_CSS(1<<8) (1<<8) |
| 85 | #define USBCMD_CRS(1<<9) (1<<9) |
| 86 | #define USBCMD_EWE(1<<10) (1<<10) |
| 87 | #define USBCMD_EU3S(1<<11) (1<<11) |
| 88 | |
| 89 | #define USBSTS_HCH(1<<0) (1<<0) |
| 90 | #define USBSTS_HSE(1<<2) (1<<2) |
| 91 | #define USBSTS_EINT(1<<3) (1<<3) |
| 92 | #define USBSTS_PCD(1<<4) (1<<4) |
| 93 | #define USBSTS_SSS(1<<8) (1<<8) |
| 94 | #define USBSTS_RSS(1<<9) (1<<9) |
| 95 | #define USBSTS_SRE(1<<10) (1<<10) |
| 96 | #define USBSTS_CNR(1<<11) (1<<11) |
| 97 | #define USBSTS_HCE(1<<12) (1<<12) |
| 98 | |
| 99 | |
| 100 | #define PORTSC_CCS(1<<0) (1<<0) |
| 101 | #define PORTSC_PED(1<<1) (1<<1) |
| 102 | #define PORTSC_OCA(1<<3) (1<<3) |
| 103 | #define PORTSC_PR(1<<4) (1<<4) |
| 104 | #define PORTSC_PLS_SHIFT5 5 |
| 105 | #define PORTSC_PLS_MASK0xf 0xf |
| 106 | #define PORTSC_PP(1<<9) (1<<9) |
| 107 | #define PORTSC_SPEED_SHIFT10 10 |
| 108 | #define PORTSC_SPEED_MASK0xf 0xf |
| 109 | #define PORTSC_SPEED_FULL(1<<10) (1<<10) |
| 110 | #define PORTSC_SPEED_LOW(2<<10) (2<<10) |
| 111 | #define PORTSC_SPEED_HIGH(3<<10) (3<<10) |
| 112 | #define PORTSC_SPEED_SUPER(4<<10) (4<<10) |
| 113 | #define PORTSC_PIC_SHIFT14 14 |
| 114 | #define PORTSC_PIC_MASK0x3 0x3 |
| 115 | #define PORTSC_LWS(1<<16) (1<<16) |
| 116 | #define PORTSC_CSC(1<<17) (1<<17) |
| 117 | #define PORTSC_PEC(1<<18) (1<<18) |
| 118 | #define PORTSC_WRC(1<<19) (1<<19) |
| 119 | #define PORTSC_OCC(1<<20) (1<<20) |
| 120 | #define PORTSC_PRC(1<<21) (1<<21) |
| 121 | #define PORTSC_PLC(1<<22) (1<<22) |
| 122 | #define PORTSC_CEC(1<<23) (1<<23) |
| 123 | #define PORTSC_CAS(1<<24) (1<<24) |
| 124 | #define PORTSC_WCE(1<<25) (1<<25) |
| 125 | #define PORTSC_WDE(1<<26) (1<<26) |
| 126 | #define PORTSC_WOE(1<<27) (1<<27) |
| 127 | #define PORTSC_DR(1<<30) (1<<30) |
| 128 | #define PORTSC_WPR(1<<31) (1<<31) |
| 129 | |
| 130 | #define CRCR_RCS(1<<0) (1<<0) |
| 131 | #define CRCR_CS(1<<1) (1<<1) |
| 132 | #define CRCR_CA(1<<2) (1<<2) |
| 133 | #define CRCR_CRR(1<<3) (1<<3) |
| 134 | |
| 135 | #define IMAN_IP(1<<0) (1<<0) |
| 136 | #define IMAN_IE(1<<1) (1<<1) |
| 137 | |
| 138 | #define ERDP_EHB(1<<3) (1<<3) |
| 139 | |
| 140 | #define TRB_SIZE16 16 |
| 141 | typedef struct XHCITRB { |
| 142 | uint64_t parameter; |
| 143 | uint32_t status; |
| 144 | uint32_t control; |
| 145 | dma_addr_t addr; |
| 146 | bool_Bool ccs; |
| 147 | } XHCITRB; |
| 148 | |
| 149 | enum { |
| 150 | PLS_U0 = 0, |
| 151 | PLS_U1 = 1, |
| 152 | PLS_U2 = 2, |
| 153 | PLS_U3 = 3, |
| 154 | PLS_DISABLED = 4, |
| 155 | PLS_RX_DETECT = 5, |
| 156 | PLS_INACTIVE = 6, |
| 157 | PLS_POLLING = 7, |
| 158 | PLS_RECOVERY = 8, |
| 159 | PLS_HOT_RESET = 9, |
| 160 | PLS_COMPILANCE_MODE = 10, |
| 161 | PLS_TEST_MODE = 11, |
| 162 | PLS_RESUME = 15, |
| 163 | }; |
| 164 | |
| 165 | typedef enum TRBType { |
| 166 | TRB_RESERVED = 0, |
| 167 | TR_NORMAL, |
| 168 | TR_SETUP, |
| 169 | TR_DATA, |
| 170 | TR_STATUS, |
| 171 | TR_ISOCH, |
| 172 | TR_LINK, |
| 173 | TR_EVDATA, |
| 174 | TR_NOOP, |
| 175 | CR_ENABLE_SLOT, |
| 176 | CR_DISABLE_SLOT, |
| 177 | CR_ADDRESS_DEVICE, |
| 178 | CR_CONFIGURE_ENDPOINT, |
| 179 | CR_EVALUATE_CONTEXT, |
| 180 | CR_RESET_ENDPOINT, |
| 181 | CR_STOP_ENDPOINT, |
| 182 | CR_SET_TR_DEQUEUE, |
| 183 | CR_RESET_DEVICE, |
| 184 | CR_FORCE_EVENT, |
| 185 | CR_NEGOTIATE_BW, |
| 186 | CR_SET_LATENCY_TOLERANCE, |
| 187 | CR_GET_PORT_BANDWIDTH, |
| 188 | CR_FORCE_HEADER, |
| 189 | CR_NOOP, |
| 190 | ER_TRANSFER = 32, |
| 191 | ER_COMMAND_COMPLETE, |
| 192 | ER_PORT_STATUS_CHANGE, |
| 193 | ER_BANDWIDTH_REQUEST, |
| 194 | ER_DOORBELL, |
| 195 | ER_HOST_CONTROLLER, |
| 196 | ER_DEVICE_NOTIFICATION, |
| 197 | ER_MFINDEX_WRAP, |
| 198 | /* vendor specific bits */ |
| 199 | CR_VENDOR_VIA_CHALLENGE_RESPONSE = 48, |
| 200 | CR_VENDOR_NEC_FIRMWARE_REVISION = 49, |
| 201 | CR_VENDOR_NEC_CHALLENGE_RESPONSE = 50, |
| 202 | } TRBType; |
| 203 | |
| 204 | #define CR_LINKTR_LINK TR_LINK |
| 205 | |
| 206 | typedef enum TRBCCode { |
| 207 | CC_INVALID = 0, |
| 208 | CC_SUCCESS, |
| 209 | CC_DATA_BUFFER_ERROR, |
| 210 | CC_BABBLE_DETECTED, |
| 211 | CC_USB_TRANSACTION_ERROR, |
| 212 | CC_TRB_ERROR, |
| 213 | CC_STALL_ERROR, |
| 214 | CC_RESOURCE_ERROR, |
| 215 | CC_BANDWIDTH_ERROR, |
| 216 | CC_NO_SLOTS_ERROR, |
| 217 | CC_INVALID_STREAM_TYPE_ERROR, |
| 218 | CC_SLOT_NOT_ENABLED_ERROR, |
| 219 | CC_EP_NOT_ENABLED_ERROR, |
| 220 | CC_SHORT_PACKET, |
| 221 | CC_RING_UNDERRUN, |
| 222 | CC_RING_OVERRUN, |
| 223 | CC_VF_ER_FULL, |
| 224 | CC_PARAMETER_ERROR, |
| 225 | CC_BANDWIDTH_OVERRUN, |
| 226 | CC_CONTEXT_STATE_ERROR, |
| 227 | CC_NO_PING_RESPONSE_ERROR, |
| 228 | CC_EVENT_RING_FULL_ERROR, |
| 229 | CC_INCOMPATIBLE_DEVICE_ERROR, |
| 230 | CC_MISSED_SERVICE_ERROR, |
| 231 | CC_COMMAND_RING_STOPPED, |
| 232 | CC_COMMAND_ABORTED, |
| 233 | CC_STOPPED, |
| 234 | CC_STOPPED_LENGTH_INVALID, |
| 235 | CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR = 29, |
| 236 | CC_ISOCH_BUFFER_OVERRUN = 31, |
| 237 | CC_EVENT_LOST_ERROR, |
| 238 | CC_UNDEFINED_ERROR, |
| 239 | CC_INVALID_STREAM_ID_ERROR, |
| 240 | CC_SECONDARY_BANDWIDTH_ERROR, |
| 241 | CC_SPLIT_TRANSACTION_ERROR |
| 242 | } TRBCCode; |
| 243 | |
| 244 | #define TRB_C(1<<0) (1<<0) |
| 245 | #define TRB_TYPE_SHIFT10 10 |
| 246 | #define TRB_TYPE_MASK0x3f 0x3f |
| 247 | #define TRB_TYPE(t)(((t).control >> 10) & 0x3f) (((t).control >> TRB_TYPE_SHIFT10) & TRB_TYPE_MASK0x3f) |
| 248 | |
| 249 | #define TRB_EV_ED(1<<2) (1<<2) |
| 250 | |
| 251 | #define TRB_TR_ENT(1<<1) (1<<1) |
| 252 | #define TRB_TR_ISP(1<<2) (1<<2) |
| 253 | #define TRB_TR_NS(1<<3) (1<<3) |
| 254 | #define TRB_TR_CH(1<<4) (1<<4) |
| 255 | #define TRB_TR_IOC(1<<5) (1<<5) |
| 256 | #define TRB_TR_IDT(1<<6) (1<<6) |
| 257 | #define TRB_TR_TBC_SHIFT7 7 |
| 258 | #define TRB_TR_TBC_MASK0x3 0x3 |
| 259 | #define TRB_TR_BEI(1<<9) (1<<9) |
| 260 | #define TRB_TR_TLBPC_SHIFT16 16 |
| 261 | #define TRB_TR_TLBPC_MASK0xf 0xf |
| 262 | #define TRB_TR_FRAMEID_SHIFT20 20 |
| 263 | #define TRB_TR_FRAMEID_MASK0x7ff 0x7ff |
| 264 | #define TRB_TR_SIA(1<<31) (1<<31) |
| 265 | |
| 266 | #define TRB_TR_DIR(1<<16) (1<<16) |
| 267 | |
| 268 | #define TRB_CR_SLOTID_SHIFT24 24 |
| 269 | #define TRB_CR_SLOTID_MASK0xff 0xff |
| 270 | #define TRB_CR_EPID_SHIFT16 16 |
| 271 | #define TRB_CR_EPID_MASK0x1f 0x1f |
| 272 | |
| 273 | #define TRB_CR_BSR(1<<9) (1<<9) |
| 274 | #define TRB_CR_DC(1<<9) (1<<9) |
| 275 | |
| 276 | #define TRB_LK_TC(1<<1) (1<<1) |
| 277 | |
| 278 | #define TRB_INTR_SHIFT22 22 |
| 279 | #define TRB_INTR_MASK0x3ff 0x3ff |
| 280 | #define TRB_INTR(t)(((t).status >> 22) & 0x3ff) (((t).status >> TRB_INTR_SHIFT22) & TRB_INTR_MASK0x3ff) |
| 281 | |
| 282 | #define EP_TYPE_MASK0x7 0x7 |
| 283 | #define EP_TYPE_SHIFT3 3 |
| 284 | |
| 285 | #define EP_STATE_MASK0x7 0x7 |
| 286 | #define EP_DISABLED(0<<0) (0<<0) |
| 287 | #define EP_RUNNING(1<<0) (1<<0) |
| 288 | #define EP_HALTED(2<<0) (2<<0) |
| 289 | #define EP_STOPPED(3<<0) (3<<0) |
| 290 | #define EP_ERROR(4<<0) (4<<0) |
| 291 | |
| 292 | #define SLOT_STATE_MASK0x1f 0x1f |
| 293 | #define SLOT_STATE_SHIFT27 27 |
| 294 | #define SLOT_STATE(s)(((s)>>27)&0x1f) (((s)>>SLOT_STATE_SHIFT27)&SLOT_STATE_MASK0x1f) |
| 295 | #define SLOT_ENABLED0 0 |
| 296 | #define SLOT_DEFAULT1 1 |
| 297 | #define SLOT_ADDRESSED2 2 |
| 298 | #define SLOT_CONFIGURED3 3 |
| 299 | |
| 300 | #define SLOT_CONTEXT_ENTRIES_MASK0x1f 0x1f |
| 301 | #define SLOT_CONTEXT_ENTRIES_SHIFT27 27 |
| 302 | |
| 303 | typedef struct XHCIState XHCIState; |
| 304 | typedef struct XHCIStreamContext XHCIStreamContext; |
| 305 | typedef struct XHCIEPContext XHCIEPContext; |
| 306 | |
| 307 | #define get_field(data, field)(((data) >> field_SHIFT) & field_MASK) \ |
| 308 | (((data) >> field##_SHIFT) & field##_MASK) |
| 309 | |
| 310 | #define set_field(data, newval, field)do { uint32_t val = *data; val &= ~( field_MASK << field_SHIFT ); val |= ((newval) & field_MASK) << field_SHIFT; * data = val; } while (0) do { \ |
| 311 | uint32_t val = *data; \ |
| 312 | val &= ~(field##_MASK << field##_SHIFT); \ |
| 313 | val |= ((newval) & field##_MASK) << field##_SHIFT; \ |
| 314 | *data = val; \ |
| 315 | } while (0) |
| 316 | |
| 317 | typedef enum EPType { |
| 318 | ET_INVALID = 0, |
| 319 | ET_ISO_OUT, |
| 320 | ET_BULK_OUT, |
| 321 | ET_INTR_OUT, |
| 322 | ET_CONTROL, |
| 323 | ET_ISO_IN, |
| 324 | ET_BULK_IN, |
| 325 | ET_INTR_IN, |
| 326 | } EPType; |
| 327 | |
| 328 | typedef struct XHCIRing { |
| 329 | dma_addr_t dequeue; |
| 330 | bool_Bool ccs; |
| 331 | } XHCIRing; |
| 332 | |
| 333 | typedef struct XHCIPort { |
| 334 | XHCIState *xhci; |
| 335 | uint32_t portsc; |
| 336 | uint32_t portnr; |
| 337 | USBPort *uport; |
| 338 | uint32_t speedmask; |
| 339 | char name[16]; |
| 340 | MemoryRegion mem; |
| 341 | } XHCIPort; |
| 342 | |
| 343 | typedef struct XHCITransfer { |
| 344 | XHCIState *xhci; |
| 345 | USBPacket packet; |
| 346 | QEMUSGList sgl; |
| 347 | bool_Bool running_async; |
| 348 | bool_Bool running_retry; |
| 349 | bool_Bool complete; |
| 350 | bool_Bool int_req; |
| 351 | unsigned int iso_pkts; |
| 352 | unsigned int slotid; |
| 353 | unsigned int epid; |
| 354 | unsigned int streamid; |
| 355 | bool_Bool in_xfer; |
| 356 | bool_Bool iso_xfer; |
| 357 | bool_Bool timed_xfer; |
| 358 | |
| 359 | unsigned int trb_count; |
| 360 | unsigned int trb_alloced; |
| 361 | XHCITRB *trbs; |
| 362 | |
| 363 | TRBCCode status; |
| 364 | |
| 365 | unsigned int pkts; |
| 366 | unsigned int pktsize; |
| 367 | unsigned int cur_pkt; |
| 368 | |
| 369 | uint64_t mfindex_kick; |
| 370 | } XHCITransfer; |
| 371 | |
| 372 | struct XHCIStreamContext { |
| 373 | dma_addr_t pctx; |
| 374 | unsigned int sct; |
| 375 | XHCIRing ring; |
| 376 | }; |
| 377 | |
| 378 | struct XHCIEPContext { |
| 379 | XHCIState *xhci; |
| 380 | unsigned int slotid; |
| 381 | unsigned int epid; |
| 382 | |
| 383 | XHCIRing ring; |
| 384 | unsigned int next_xfer; |
| 385 | unsigned int comp_xfer; |
| 386 | XHCITransfer transfers[TD_QUEUE24]; |
| 387 | XHCITransfer *retry; |
| 388 | EPType type; |
| 389 | dma_addr_t pctx; |
| 390 | unsigned int max_psize; |
| 391 | uint32_t state; |
| 392 | |
| 393 | /* streams */ |
| 394 | unsigned int max_pstreams; |
| 395 | bool_Bool lsa; |
| 396 | unsigned int nr_pstreams; |
| 397 | XHCIStreamContext *pstreams; |
| 398 | |
| 399 | /* iso xfer scheduling */ |
| 400 | unsigned int interval; |
| 401 | int64_t mfindex_last; |
| 402 | QEMUTimer *kick_timer; |
| 403 | }; |
| 404 | |
| 405 | typedef struct XHCISlot { |
| 406 | bool_Bool enabled; |
| 407 | bool_Bool addressed; |
| 408 | dma_addr_t ctx; |
| 409 | USBPort *uport; |
| 410 | XHCIEPContext * eps[31]; |
| 411 | } XHCISlot; |
| 412 | |
| 413 | typedef struct XHCIEvent { |
| 414 | TRBType type; |
| 415 | TRBCCode ccode; |
| 416 | uint64_t ptr; |
| 417 | uint32_t length; |
| 418 | uint32_t flags; |
| 419 | uint8_t slotid; |
| 420 | uint8_t epid; |
| 421 | } XHCIEvent; |
| 422 | |
| 423 | typedef struct XHCIInterrupter { |
| 424 | uint32_t iman; |
| 425 | uint32_t imod; |
| 426 | uint32_t erstsz; |
| 427 | uint32_t erstba_low; |
| 428 | uint32_t erstba_high; |
| 429 | uint32_t erdp_low; |
| 430 | uint32_t erdp_high; |
| 431 | |
| 432 | bool_Bool msix_used, er_pcs, er_full; |
| 433 | |
| 434 | dma_addr_t er_start; |
| 435 | uint32_t er_size; |
| 436 | unsigned int er_ep_idx; |
| 437 | |
| 438 | XHCIEvent ev_buffer[EV_QUEUE(((3*24)+16)*64)]; |
| 439 | unsigned int ev_buffer_put; |
| 440 | unsigned int ev_buffer_get; |
| 441 | |
| 442 | } XHCIInterrupter; |
| 443 | |
| 444 | struct XHCIState { |
| 445 | /*< private >*/ |
| 446 | PCIDevice parent_obj; |
| 447 | /*< public >*/ |
| 448 | |
| 449 | USBBus bus; |
| 450 | MemoryRegion mem; |
| 451 | MemoryRegion mem_cap; |
| 452 | MemoryRegion mem_oper; |
| 453 | MemoryRegion mem_runtime; |
| 454 | MemoryRegion mem_doorbell; |
| 455 | |
| 456 | /* properties */ |
| 457 | uint32_t numports_2; |
| 458 | uint32_t numports_3; |
| 459 | uint32_t numintrs; |
| 460 | uint32_t numslots; |
| 461 | uint32_t flags; |
| 462 | |
| 463 | /* Operational Registers */ |
| 464 | uint32_t usbcmd; |
| 465 | uint32_t usbsts; |
| 466 | uint32_t dnctrl; |
| 467 | uint32_t crcr_low; |
| 468 | uint32_t crcr_high; |
| 469 | uint32_t dcbaap_low; |
| 470 | uint32_t dcbaap_high; |
| 471 | uint32_t config; |
| 472 | |
| 473 | USBPort uports[MAX(MAXPORTS_2, MAXPORTS_3)(((15) > (15)) ? (15) : (15))]; |
| 474 | XHCIPort ports[MAXPORTS(15 +15)]; |
| 475 | XHCISlot slots[MAXSLOTS64]; |
| 476 | uint32_t numports; |
| 477 | |
| 478 | /* Runtime Registers */ |
| 479 | int64_t mfindex_start; |
| 480 | QEMUTimer *mfwrap_timer; |
| 481 | XHCIInterrupter intr[MAXINTRS16]; |
| 482 | |
| 483 | XHCIRing cmd_ring; |
| 484 | }; |
| 485 | |
| 486 | #define TYPE_XHCI"nec-usb-xhci" "nec-usb-xhci" |
| 487 | |
| 488 | #define XHCI(obj)((XHCIState *)object_dynamic_cast_assert(((Object *)((obj))), ("nec-usb-xhci"), "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 488, __func__)) \ |
| 489 | OBJECT_CHECK(XHCIState, (obj), TYPE_XHCI)((XHCIState *)object_dynamic_cast_assert(((Object *)((obj))), ("nec-usb-xhci"), "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 489, __func__)) |
| 490 | |
| 491 | typedef struct XHCIEvRingSeg { |
| 492 | uint32_t addr_low; |
| 493 | uint32_t addr_high; |
| 494 | uint32_t size; |
| 495 | uint32_t rsvd; |
| 496 | } XHCIEvRingSeg; |
| 497 | |
| 498 | enum xhci_flags { |
| 499 | XHCI_FLAG_USE_MSI = 1, |
| 500 | XHCI_FLAG_USE_MSI_X, |
| 501 | }; |
| 502 | |
| 503 | static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, |
| 504 | unsigned int epid, unsigned int streamid); |
| 505 | static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, |
| 506 | unsigned int epid); |
| 507 | static void xhci_xfer_report(XHCITransfer *xfer); |
| 508 | static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v); |
| 509 | static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v); |
| 510 | static USBEndpoint *xhci_epid_to_usbep(XHCIState *xhci, |
| 511 | unsigned int slotid, unsigned int epid); |
| 512 | |
| 513 | static const char *TRBType_names[] = { |
| 514 | [TRB_RESERVED] = "TRB_RESERVED", |
| 515 | [TR_NORMAL] = "TR_NORMAL", |
| 516 | [TR_SETUP] = "TR_SETUP", |
| 517 | [TR_DATA] = "TR_DATA", |
| 518 | [TR_STATUS] = "TR_STATUS", |
| 519 | [TR_ISOCH] = "TR_ISOCH", |
| 520 | [TR_LINK] = "TR_LINK", |
| 521 | [TR_EVDATA] = "TR_EVDATA", |
| 522 | [TR_NOOP] = "TR_NOOP", |
| 523 | [CR_ENABLE_SLOT] = "CR_ENABLE_SLOT", |
| 524 | [CR_DISABLE_SLOT] = "CR_DISABLE_SLOT", |
| 525 | [CR_ADDRESS_DEVICE] = "CR_ADDRESS_DEVICE", |
| 526 | [CR_CONFIGURE_ENDPOINT] = "CR_CONFIGURE_ENDPOINT", |
| 527 | [CR_EVALUATE_CONTEXT] = "CR_EVALUATE_CONTEXT", |
| 528 | [CR_RESET_ENDPOINT] = "CR_RESET_ENDPOINT", |
| 529 | [CR_STOP_ENDPOINT] = "CR_STOP_ENDPOINT", |
| 530 | [CR_SET_TR_DEQUEUE] = "CR_SET_TR_DEQUEUE", |
| 531 | [CR_RESET_DEVICE] = "CR_RESET_DEVICE", |
| 532 | [CR_FORCE_EVENT] = "CR_FORCE_EVENT", |
| 533 | [CR_NEGOTIATE_BW] = "CR_NEGOTIATE_BW", |
| 534 | [CR_SET_LATENCY_TOLERANCE] = "CR_SET_LATENCY_TOLERANCE", |
| 535 | [CR_GET_PORT_BANDWIDTH] = "CR_GET_PORT_BANDWIDTH", |
| 536 | [CR_FORCE_HEADER] = "CR_FORCE_HEADER", |
| 537 | [CR_NOOP] = "CR_NOOP", |
| 538 | [ER_TRANSFER] = "ER_TRANSFER", |
| 539 | [ER_COMMAND_COMPLETE] = "ER_COMMAND_COMPLETE", |
| 540 | [ER_PORT_STATUS_CHANGE] = "ER_PORT_STATUS_CHANGE", |
| 541 | [ER_BANDWIDTH_REQUEST] = "ER_BANDWIDTH_REQUEST", |
| 542 | [ER_DOORBELL] = "ER_DOORBELL", |
| 543 | [ER_HOST_CONTROLLER] = "ER_HOST_CONTROLLER", |
| 544 | [ER_DEVICE_NOTIFICATION] = "ER_DEVICE_NOTIFICATION", |
| 545 | [ER_MFINDEX_WRAP] = "ER_MFINDEX_WRAP", |
| 546 | [CR_VENDOR_VIA_CHALLENGE_RESPONSE] = "CR_VENDOR_VIA_CHALLENGE_RESPONSE", |
| 547 | [CR_VENDOR_NEC_FIRMWARE_REVISION] = "CR_VENDOR_NEC_FIRMWARE_REVISION", |
| 548 | [CR_VENDOR_NEC_CHALLENGE_RESPONSE] = "CR_VENDOR_NEC_CHALLENGE_RESPONSE", |
| 549 | }; |
| 550 | |
| 551 | static const char *TRBCCode_names[] = { |
| 552 | [CC_INVALID] = "CC_INVALID", |
| 553 | [CC_SUCCESS] = "CC_SUCCESS", |
| 554 | [CC_DATA_BUFFER_ERROR] = "CC_DATA_BUFFER_ERROR", |
| 555 | [CC_BABBLE_DETECTED] = "CC_BABBLE_DETECTED", |
| 556 | [CC_USB_TRANSACTION_ERROR] = "CC_USB_TRANSACTION_ERROR", |
| 557 | [CC_TRB_ERROR] = "CC_TRB_ERROR", |
| 558 | [CC_STALL_ERROR] = "CC_STALL_ERROR", |
| 559 | [CC_RESOURCE_ERROR] = "CC_RESOURCE_ERROR", |
| 560 | [CC_BANDWIDTH_ERROR] = "CC_BANDWIDTH_ERROR", |
| 561 | [CC_NO_SLOTS_ERROR] = "CC_NO_SLOTS_ERROR", |
| 562 | [CC_INVALID_STREAM_TYPE_ERROR] = "CC_INVALID_STREAM_TYPE_ERROR", |
| 563 | [CC_SLOT_NOT_ENABLED_ERROR] = "CC_SLOT_NOT_ENABLED_ERROR", |
| 564 | [CC_EP_NOT_ENABLED_ERROR] = "CC_EP_NOT_ENABLED_ERROR", |
| 565 | [CC_SHORT_PACKET] = "CC_SHORT_PACKET", |
| 566 | [CC_RING_UNDERRUN] = "CC_RING_UNDERRUN", |
| 567 | [CC_RING_OVERRUN] = "CC_RING_OVERRUN", |
| 568 | [CC_VF_ER_FULL] = "CC_VF_ER_FULL", |
| 569 | [CC_PARAMETER_ERROR] = "CC_PARAMETER_ERROR", |
| 570 | [CC_BANDWIDTH_OVERRUN] = "CC_BANDWIDTH_OVERRUN", |
| 571 | [CC_CONTEXT_STATE_ERROR] = "CC_CONTEXT_STATE_ERROR", |
| 572 | [CC_NO_PING_RESPONSE_ERROR] = "CC_NO_PING_RESPONSE_ERROR", |
| 573 | [CC_EVENT_RING_FULL_ERROR] = "CC_EVENT_RING_FULL_ERROR", |
| 574 | [CC_INCOMPATIBLE_DEVICE_ERROR] = "CC_INCOMPATIBLE_DEVICE_ERROR", |
| 575 | [CC_MISSED_SERVICE_ERROR] = "CC_MISSED_SERVICE_ERROR", |
| 576 | [CC_COMMAND_RING_STOPPED] = "CC_COMMAND_RING_STOPPED", |
| 577 | [CC_COMMAND_ABORTED] = "CC_COMMAND_ABORTED", |
| 578 | [CC_STOPPED] = "CC_STOPPED", |
| 579 | [CC_STOPPED_LENGTH_INVALID] = "CC_STOPPED_LENGTH_INVALID", |
| 580 | [CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR] |
| 581 | = "CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR", |
| 582 | [CC_ISOCH_BUFFER_OVERRUN] = "CC_ISOCH_BUFFER_OVERRUN", |
| 583 | [CC_EVENT_LOST_ERROR] = "CC_EVENT_LOST_ERROR", |
| 584 | [CC_UNDEFINED_ERROR] = "CC_UNDEFINED_ERROR", |
| 585 | [CC_INVALID_STREAM_ID_ERROR] = "CC_INVALID_STREAM_ID_ERROR", |
| 586 | [CC_SECONDARY_BANDWIDTH_ERROR] = "CC_SECONDARY_BANDWIDTH_ERROR", |
| 587 | [CC_SPLIT_TRANSACTION_ERROR] = "CC_SPLIT_TRANSACTION_ERROR", |
| 588 | }; |
| 589 | |
| 590 | static const char *ep_state_names[] = { |
| 591 | [EP_DISABLED(0<<0)] = "disabled", |
| 592 | [EP_RUNNING(1<<0)] = "running", |
| 593 | [EP_HALTED(2<<0)] = "halted", |
| 594 | [EP_STOPPED(3<<0)] = "stopped", |
| 595 | [EP_ERROR(4<<0)] = "error", |
| 596 | }; |
| 597 | |
| 598 | static const char *lookup_name(uint32_t index, const char **list, uint32_t llen) |
| 599 | { |
| 600 | if (index >= llen || list[index] == NULL((void*)0)) { |
| 601 | return "???"; |
| 602 | } |
| 603 | return list[index]; |
| 604 | } |
| 605 | |
| 606 | static const char *trb_name(XHCITRB *trb) |
| 607 | { |
| 608 | return lookup_name(TRB_TYPE(*trb)(((*trb).control >> 10) & 0x3f), TRBType_names, |
| 609 | ARRAY_SIZE(TRBType_names)(sizeof(TRBType_names) / sizeof((TRBType_names)[0]))); |
| 610 | } |
| 611 | |
| 612 | static const char *event_name(XHCIEvent *event) |
| 613 | { |
| 614 | return lookup_name(event->ccode, TRBCCode_names, |
| 615 | ARRAY_SIZE(TRBCCode_names)(sizeof(TRBCCode_names) / sizeof((TRBCCode_names)[0]))); |
| 616 | } |
| 617 | |
| 618 | static const char *ep_state_name(uint32_t state) |
| 619 | { |
| 620 | return lookup_name(state, ep_state_names, |
| 621 | ARRAY_SIZE(ep_state_names)(sizeof(ep_state_names) / sizeof((ep_state_names)[0]))); |
| 622 | } |
| 623 | |
| 624 | static uint64_t xhci_mfindex_get(XHCIState *xhci) |
| 625 | { |
| 626 | int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); |
| 627 | return (now - xhci->mfindex_start) / 125000; |
| 628 | } |
| 629 | |
| 630 | static void xhci_mfwrap_update(XHCIState *xhci) |
| 631 | { |
| 632 | const uint32_t bits = USBCMD_RS(1<<0) | USBCMD_EWE(1<<10); |
| 633 | uint32_t mfindex, left; |
| 634 | int64_t now; |
| 635 | |
| 636 | if ((xhci->usbcmd & bits) == bits) { |
| 637 | now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); |
| 638 | mfindex = ((now - xhci->mfindex_start) / 125000) & 0x3fff; |
| 639 | left = 0x4000 - mfindex; |
| 640 | timer_mod(xhci->mfwrap_timer, now + left * 125000); |
| 641 | } else { |
| 642 | timer_del(xhci->mfwrap_timer); |
| 643 | } |
| 644 | } |
| 645 | |
| 646 | static void xhci_mfwrap_timer(void *opaque) |
| 647 | { |
| 648 | XHCIState *xhci = opaque; |
| 649 | XHCIEvent wrap = { ER_MFINDEX_WRAP, CC_SUCCESS }; |
| 650 | |
| 651 | xhci_event(xhci, &wrap, 0); |
| 652 | xhci_mfwrap_update(xhci); |
| 653 | } |
| 654 | |
| 655 | static inline dma_addr_t xhci_addr64(uint32_t low, uint32_t high) |
| 656 | { |
| 657 | if (sizeof(dma_addr_t) == 4) { |
| 658 | return low; |
| 659 | } else { |
| 660 | return low | (((dma_addr_t)high << 16) << 16); |
| 661 | } |
| 662 | } |
| 663 | |
| 664 | static inline dma_addr_t xhci_mask64(uint64_t addr) |
| 665 | { |
| 666 | if (sizeof(dma_addr_t) == 4) { |
| 667 | return addr & 0xffffffff; |
| 668 | } else { |
| 669 | return addr; |
| 670 | } |
| 671 | } |
| 672 | |
| 673 | static inline void xhci_dma_read_u32s(XHCIState *xhci, dma_addr_t addr, |
| 674 | uint32_t *buf, size_t len) |
| 675 | { |
| 676 | int i; |
| 677 | |
| 678 | assert((len % sizeof(uint32_t)) == 0)(((len % sizeof(uint32_t)) == 0) ? (void) (0) : __assert_fail ("(len % sizeof(uint32_t)) == 0", "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 678, __PRETTY_FUNCTION__)); |
| 679 | |
| 680 | pci_dma_read(PCI_DEVICE(xhci)((PCIDevice *)object_dynamic_cast_assert(((Object *)((xhci))) , ("pci-device"), "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 680, __func__)), addr, buf, len); |
| 681 | |
| 682 | for (i = 0; i < (len / sizeof(uint32_t)); i++) { |
| 683 | buf[i] = le32_to_cpu(buf[i]); |
| 684 | } |
| 685 | } |
| 686 | |
| 687 | static inline void xhci_dma_write_u32s(XHCIState *xhci, dma_addr_t addr, |
| 688 | uint32_t *buf, size_t len) |
| 689 | { |
| 690 | int i; |
| 691 | uint32_t tmp[len / sizeof(uint32_t)]; |
| 692 | |
| 693 | assert((len % sizeof(uint32_t)) == 0)(((len % sizeof(uint32_t)) == 0) ? (void) (0) : __assert_fail ("(len % sizeof(uint32_t)) == 0", "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 693, __PRETTY_FUNCTION__)); |
| 694 | |
| 695 | for (i = 0; i < (len / sizeof(uint32_t)); i++) { |
| 696 | tmp[i] = cpu_to_le32(buf[i]); |
| 697 | } |
| 698 | pci_dma_write(PCI_DEVICE(xhci)((PCIDevice *)object_dynamic_cast_assert(((Object *)((xhci))) , ("pci-device"), "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 698, __func__)), addr, tmp, len); |
| 699 | } |
| 700 | |
| 701 | static XHCIPort *xhci_lookup_port(XHCIState *xhci, struct USBPort *uport) |
| 702 | { |
| 703 | int index; |
| 704 | |
| 705 | if (!uport->dev) { |
| 706 | return NULL((void*)0); |
| 707 | } |
| 708 | switch (uport->dev->speed) { |
| 709 | case USB_SPEED_LOW0: |
| 710 | case USB_SPEED_FULL1: |
| 711 | case USB_SPEED_HIGH2: |
| 712 | index = uport->index; |
| 713 | break; |
| 714 | case USB_SPEED_SUPER3: |
| 715 | index = uport->index + xhci->numports_2; |
| 716 | break; |
| 717 | default: |
| 718 | return NULL((void*)0); |
| 719 | } |
| 720 | return &xhci->ports[index]; |
| 721 | } |
| 722 | |
| 723 | static void xhci_intx_update(XHCIState *xhci) |
| 724 | { |
| 725 | PCIDevice *pci_dev = PCI_DEVICE(xhci)((PCIDevice *)object_dynamic_cast_assert(((Object *)((xhci))) , ("pci-device"), "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 725, __func__)); |
| 726 | int level = 0; |
| 727 | |
| 728 | if (msix_enabled(pci_dev) || |
| 729 | msi_enabled(pci_dev)) { |
| 730 | return; |
| 731 | } |
| 732 | |
| 733 | if (xhci->intr[0].iman & IMAN_IP(1<<0) && |
| 734 | xhci->intr[0].iman & IMAN_IE(1<<1) && |
| 735 | xhci->usbcmd & USBCMD_INTE(1<<2)) { |
| 736 | level = 1; |
| 737 | } |
| 738 | |
| 739 | trace_usb_xhci_irq_intx(level); |
| 740 | pci_set_irq(pci_dev, level); |
| 741 | } |
| 742 | |
| 743 | static void xhci_msix_update(XHCIState *xhci, int v) |
| 744 | { |
| 745 | PCIDevice *pci_dev = PCI_DEVICE(xhci)((PCIDevice *)object_dynamic_cast_assert(((Object *)((xhci))) , ("pci-device"), "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 745, __func__)); |
| 746 | bool_Bool enabled; |
| 747 | |
| 748 | if (!msix_enabled(pci_dev)) { |
| 749 | return; |
| 750 | } |
| 751 | |
| 752 | enabled = xhci->intr[v].iman & IMAN_IE(1<<1); |
| 753 | if (enabled == xhci->intr[v].msix_used) { |
| 754 | return; |
| 755 | } |
| 756 | |
| 757 | if (enabled) { |
| 758 | trace_usb_xhci_irq_msix_use(v); |
| 759 | msix_vector_use(pci_dev, v); |
| 760 | xhci->intr[v].msix_used = true1; |
| 761 | } else { |
| 762 | trace_usb_xhci_irq_msix_unuse(v); |
| 763 | msix_vector_unuse(pci_dev, v); |
| 764 | xhci->intr[v].msix_used = false0; |
| 765 | } |
| 766 | } |
| 767 | |
| 768 | static void xhci_intr_raise(XHCIState *xhci, int v) |
| 769 | { |
| 770 | PCIDevice *pci_dev = PCI_DEVICE(xhci)((PCIDevice *)object_dynamic_cast_assert(((Object *)((xhci))) , ("pci-device"), "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 770, __func__)); |
| 771 | |
| 772 | xhci->intr[v].erdp_low |= ERDP_EHB(1<<3); |
| 773 | xhci->intr[v].iman |= IMAN_IP(1<<0); |
| 774 | xhci->usbsts |= USBSTS_EINT(1<<3); |
| 775 | |
| 776 | if (!(xhci->intr[v].iman & IMAN_IE(1<<1))) { |
| 777 | return; |
| 778 | } |
| 779 | |
| 780 | if (!(xhci->usbcmd & USBCMD_INTE(1<<2))) { |
| 781 | return; |
| 782 | } |
| 783 | |
| 784 | if (msix_enabled(pci_dev)) { |
| 785 | trace_usb_xhci_irq_msix(v); |
| 786 | msix_notify(pci_dev, v); |
| 787 | return; |
| 788 | } |
| 789 | |
| 790 | if (msi_enabled(pci_dev)) { |
| 791 | trace_usb_xhci_irq_msi(v); |
| 792 | msi_notify(pci_dev, v); |
| 793 | return; |
| 794 | } |
| 795 | |
| 796 | if (v == 0) { |
| 797 | trace_usb_xhci_irq_intx(1); |
| 798 | pci_irq_assert(pci_dev); |
| 799 | } |
| 800 | } |
| 801 | |
| 802 | static inline int xhci_running(XHCIState *xhci) |
| 803 | { |
| 804 | return !(xhci->usbsts & USBSTS_HCH(1<<0)) && !xhci->intr[0].er_full; |
| 805 | } |
| 806 | |
| 807 | static void xhci_die(XHCIState *xhci) |
| 808 | { |
| 809 | xhci->usbsts |= USBSTS_HCE(1<<12); |
| 810 | fprintf(stderrstderr, "xhci: asserted controller error\n"); |
| 811 | } |
| 812 | |
| 813 | static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v) |
| 814 | { |
| 815 | PCIDevice *pci_dev = PCI_DEVICE(xhci)((PCIDevice *)object_dynamic_cast_assert(((Object *)((xhci))) , ("pci-device"), "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 815, __func__)); |
| 816 | XHCIInterrupter *intr = &xhci->intr[v]; |
| 817 | XHCITRB ev_trb; |
| 818 | dma_addr_t addr; |
| 819 | |
| 820 | ev_trb.parameter = cpu_to_le64(event->ptr); |
| 821 | ev_trb.status = cpu_to_le32(event->length | (event->ccode << 24)); |
| 822 | ev_trb.control = (event->slotid << 24) | (event->epid << 16) | |
| 823 | event->flags | (event->type << TRB_TYPE_SHIFT10); |
| 824 | if (intr->er_pcs) { |
| 825 | ev_trb.control |= TRB_C(1<<0); |
| 826 | } |
| 827 | ev_trb.control = cpu_to_le32(ev_trb.control); |
| 828 | |
| 829 | trace_usb_xhci_queue_event(v, intr->er_ep_idx, trb_name(&ev_trb), |
| 830 | event_name(event), ev_trb.parameter, |
| 831 | ev_trb.status, ev_trb.control); |
| 832 | |
| 833 | addr = intr->er_start + TRB_SIZE16*intr->er_ep_idx; |
| 834 | pci_dma_write(pci_dev, addr, &ev_trb, TRB_SIZE16); |
| 835 | |
| 836 | intr->er_ep_idx++; |
| 837 | if (intr->er_ep_idx >= intr->er_size) { |
| 838 | intr->er_ep_idx = 0; |
| 839 | intr->er_pcs = !intr->er_pcs; |
| 840 | } |
| 841 | } |
| 842 | |
| 843 | static void xhci_events_update(XHCIState *xhci, int v) |
| 844 | { |
| 845 | XHCIInterrupter *intr = &xhci->intr[v]; |
| 846 | dma_addr_t erdp; |
| 847 | unsigned int dp_idx; |
| 848 | bool_Bool do_irq = 0; |
| 849 | |
| 850 | if (xhci->usbsts & USBSTS_HCH(1<<0)) { |
| 851 | return; |
| 852 | } |
| 853 | |
| 854 | erdp = xhci_addr64(intr->erdp_low, intr->erdp_high); |
| 855 | if (erdp < intr->er_start || |
| 856 | erdp >= (intr->er_start + TRB_SIZE16*intr->er_size)) { |
| 857 | fprintf(stderrstderr, "xhci: ERDP out of bounds: "DMA_ADDR_FMT"%" "l" "x""\n", erdp); |
| 858 | fprintf(stderrstderr, "xhci: ER[%d] at "DMA_ADDR_FMT"%" "l" "x"" len %d\n", |
| 859 | v, intr->er_start, intr->er_size); |
| 860 | xhci_die(xhci); |
| 861 | return; |
| 862 | } |
| 863 | dp_idx = (erdp - intr->er_start) / TRB_SIZE16; |
| 864 | assert(dp_idx < intr->er_size)((dp_idx < intr->er_size) ? (void) (0) : __assert_fail ( "dp_idx < intr->er_size", "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 864, __PRETTY_FUNCTION__)); |
| 865 | |
| 866 | /* NEC didn't read section 4.9.4 of the spec (v1.0 p139 top Note) and thus |
| 867 | * deadlocks when the ER is full. Hack it by holding off events until |
| 868 | * the driver decides to free at least half of the ring */ |
| 869 | if (intr->er_full) { |
| 870 | int er_free = dp_idx - intr->er_ep_idx; |
| 871 | if (er_free <= 0) { |
| 872 | er_free += intr->er_size; |
| 873 | } |
| 874 | if (er_free < (intr->er_size/2)) { |
| 875 | DPRINTF("xhci_events_update(): event ring still "do {} while (0) |
| 876 | "more than half full (hack)\n")do {} while (0); |
| 877 | return; |
| 878 | } |
| 879 | } |
| 880 | |
| 881 | while (intr->ev_buffer_put != intr->ev_buffer_get) { |
| 882 | assert(intr->er_full)((intr->er_full) ? (void) (0) : __assert_fail ("intr->er_full" , "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c", 882 , __PRETTY_FUNCTION__)); |
| 883 | if (((intr->er_ep_idx+1) % intr->er_size) == dp_idx) { |
| 884 | DPRINTF("xhci_events_update(): event ring full again\n")do {} while (0); |
| 885 | #ifndef ER_FULL_HACK |
| 886 | XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR}; |
| 887 | xhci_write_event(xhci, &full, v); |
| 888 | #endif |
| 889 | do_irq = 1; |
| 890 | break; |
| 891 | } |
| 892 | XHCIEvent *event = &intr->ev_buffer[intr->ev_buffer_get]; |
| 893 | xhci_write_event(xhci, event, v); |
| 894 | intr->ev_buffer_get++; |
| 895 | do_irq = 1; |
| 896 | if (intr->ev_buffer_get == EV_QUEUE(((3*24)+16)*64)) { |
| 897 | intr->ev_buffer_get = 0; |
| 898 | } |
| 899 | } |
| 900 | |
| 901 | if (do_irq) { |
| 902 | xhci_intr_raise(xhci, v); |
| 903 | } |
| 904 | |
| 905 | if (intr->er_full && intr->ev_buffer_put == intr->ev_buffer_get) { |
| 906 | DPRINTF("xhci_events_update(): event ring no longer full\n")do {} while (0); |
| 907 | intr->er_full = 0; |
| 908 | } |
| 909 | } |
| 910 | |
| 911 | static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v) |
| 912 | { |
| 913 | XHCIInterrupter *intr; |
| 914 | dma_addr_t erdp; |
| 915 | unsigned int dp_idx; |
| 916 | |
| 917 | if (v >= xhci->numintrs) { |
| 918 | DPRINTF("intr nr out of range (%d >= %d)\n", v, xhci->numintrs)do {} while (0); |
| 919 | return; |
| 920 | } |
| 921 | intr = &xhci->intr[v]; |
| 922 | |
| 923 | if (intr->er_full) { |
| 924 | DPRINTF("xhci_event(): ER full, queueing\n")do {} while (0); |
| 925 | if (((intr->ev_buffer_put+1) % EV_QUEUE(((3*24)+16)*64)) == intr->ev_buffer_get) { |
| 926 | fprintf(stderrstderr, "xhci: event queue full, dropping event!\n"); |
| 927 | return; |
| 928 | } |
| 929 | intr->ev_buffer[intr->ev_buffer_put++] = *event; |
| 930 | if (intr->ev_buffer_put == EV_QUEUE(((3*24)+16)*64)) { |
| 931 | intr->ev_buffer_put = 0; |
| 932 | } |
| 933 | return; |
| 934 | } |
| 935 | |
| 936 | erdp = xhci_addr64(intr->erdp_low, intr->erdp_high); |
| 937 | if (erdp < intr->er_start || |
| 938 | erdp >= (intr->er_start + TRB_SIZE16*intr->er_size)) { |
| 939 | fprintf(stderrstderr, "xhci: ERDP out of bounds: "DMA_ADDR_FMT"%" "l" "x""\n", erdp); |
| 940 | fprintf(stderrstderr, "xhci: ER[%d] at "DMA_ADDR_FMT"%" "l" "x"" len %d\n", |
| 941 | v, intr->er_start, intr->er_size); |
| 942 | xhci_die(xhci); |
| 943 | return; |
| 944 | } |
| 945 | |
| 946 | dp_idx = (erdp - intr->er_start) / TRB_SIZE16; |
| 947 | assert(dp_idx < intr->er_size)((dp_idx < intr->er_size) ? (void) (0) : __assert_fail ( "dp_idx < intr->er_size", "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 947, __PRETTY_FUNCTION__)); |
| 948 | |
| 949 | if ((intr->er_ep_idx+1) % intr->er_size == dp_idx) { |
| 950 | DPRINTF("xhci_event(): ER full, queueing\n")do {} while (0); |
| 951 | #ifndef ER_FULL_HACK |
| 952 | XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR}; |
| 953 | xhci_write_event(xhci, &full); |
| 954 | #endif |
| 955 | intr->er_full = 1; |
| 956 | if (((intr->ev_buffer_put+1) % EV_QUEUE(((3*24)+16)*64)) == intr->ev_buffer_get) { |
| 957 | fprintf(stderrstderr, "xhci: event queue full, dropping event!\n"); |
| 958 | return; |
| 959 | } |
| 960 | intr->ev_buffer[intr->ev_buffer_put++] = *event; |
| 961 | if (intr->ev_buffer_put == EV_QUEUE(((3*24)+16)*64)) { |
| 962 | intr->ev_buffer_put = 0; |
| 963 | } |
| 964 | } else { |
| 965 | xhci_write_event(xhci, event, v); |
| 966 | } |
| 967 | |
| 968 | xhci_intr_raise(xhci, v); |
| 969 | } |
| 970 | |
| 971 | static void xhci_ring_init(XHCIState *xhci, XHCIRing *ring, |
| 972 | dma_addr_t base) |
| 973 | { |
| 974 | ring->dequeue = base; |
| 975 | ring->ccs = 1; |
| 976 | } |
| 977 | |
| 978 | static TRBType xhci_ring_fetch(XHCIState *xhci, XHCIRing *ring, XHCITRB *trb, |
| 979 | dma_addr_t *addr) |
| 980 | { |
| 981 | PCIDevice *pci_dev = PCI_DEVICE(xhci)((PCIDevice *)object_dynamic_cast_assert(((Object *)((xhci))) , ("pci-device"), "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 981, __func__)); |
| 982 | |
| 983 | while (1) { |
| 984 | TRBType type; |
| 985 | pci_dma_read(pci_dev, ring->dequeue, trb, TRB_SIZE16); |
| 986 | trb->addr = ring->dequeue; |
| 987 | trb->ccs = ring->ccs; |
| 988 | le64_to_cpus(&trb->parameter); |
| 989 | le32_to_cpus(&trb->status); |
| 990 | le32_to_cpus(&trb->control); |
| 991 | |
| 992 | trace_usb_xhci_fetch_trb(ring->dequeue, trb_name(trb), |
| 993 | trb->parameter, trb->status, trb->control); |
| 994 | |
| 995 | if ((trb->control & TRB_C(1<<0)) != ring->ccs) { |
| 996 | return 0; |
| 997 | } |
| 998 | |
| 999 | type = TRB_TYPE(*trb)(((*trb).control >> 10) & 0x3f); |
| 1000 | |
| 1001 | if (type != TR_LINK) { |
| 1002 | if (addr) { |
| 1003 | *addr = ring->dequeue; |
| 1004 | } |
| 1005 | ring->dequeue += TRB_SIZE16; |
| 1006 | return type; |
| 1007 | } else { |
| 1008 | ring->dequeue = xhci_mask64(trb->parameter); |
| 1009 | if (trb->control & TRB_LK_TC(1<<1)) { |
| 1010 | ring->ccs = !ring->ccs; |
| 1011 | } |
| 1012 | } |
| 1013 | } |
| 1014 | } |
| 1015 | |
| 1016 | static int xhci_ring_chain_length(XHCIState *xhci, const XHCIRing *ring) |
| 1017 | { |
| 1018 | PCIDevice *pci_dev = PCI_DEVICE(xhci)((PCIDevice *)object_dynamic_cast_assert(((Object *)((xhci))) , ("pci-device"), "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 1018, __func__)); |
| 1019 | XHCITRB trb; |
| 1020 | int length = 0; |
| 1021 | dma_addr_t dequeue = ring->dequeue; |
| 1022 | bool_Bool ccs = ring->ccs; |
| 1023 | /* hack to bundle together the two/three TDs that make a setup transfer */ |
| 1024 | bool_Bool control_td_set = 0; |
| 1025 | |
| 1026 | while (1) { |
| 1027 | TRBType type; |
| 1028 | pci_dma_read(pci_dev, dequeue, &trb, TRB_SIZE16); |
| 1029 | le64_to_cpus(&trb.parameter); |
| 1030 | le32_to_cpus(&trb.status); |
| 1031 | le32_to_cpus(&trb.control); |
| 1032 | |
| 1033 | if ((trb.control & TRB_C(1<<0)) != ccs) { |
| 1034 | return -length; |
| 1035 | } |
| 1036 | |
| 1037 | type = TRB_TYPE(trb)(((trb).control >> 10) & 0x3f); |
| 1038 | |
| 1039 | if (type == TR_LINK) { |
| 1040 | dequeue = xhci_mask64(trb.parameter); |
| 1041 | if (trb.control & TRB_LK_TC(1<<1)) { |
| 1042 | ccs = !ccs; |
| 1043 | } |
| 1044 | continue; |
| 1045 | } |
| 1046 | |
| 1047 | length += 1; |
| 1048 | dequeue += TRB_SIZE16; |
| 1049 | |
| 1050 | if (type == TR_SETUP) { |
| 1051 | control_td_set = 1; |
| 1052 | } else if (type == TR_STATUS) { |
| 1053 | control_td_set = 0; |
| 1054 | } |
| 1055 | |
| 1056 | if (!control_td_set && !(trb.control & TRB_TR_CH(1<<4))) { |
| 1057 | return length; |
| 1058 | } |
| 1059 | } |
| 1060 | } |
| 1061 | |
| 1062 | static void xhci_er_reset(XHCIState *xhci, int v) |
| 1063 | { |
| 1064 | XHCIInterrupter *intr = &xhci->intr[v]; |
| 1065 | XHCIEvRingSeg seg; |
| 1066 | |
| 1067 | if (intr->erstsz == 0) { |
| 1068 | /* disabled */ |
| 1069 | intr->er_start = 0; |
| 1070 | intr->er_size = 0; |
| 1071 | return; |
| 1072 | } |
| 1073 | /* cache the (sole) event ring segment location */ |
| 1074 | if (intr->erstsz != 1) { |
| 1075 | fprintf(stderrstderr, "xhci: invalid value for ERSTSZ: %d\n", intr->erstsz); |
| 1076 | xhci_die(xhci); |
| 1077 | return; |
| 1078 | } |
| 1079 | dma_addr_t erstba = xhci_addr64(intr->erstba_low, intr->erstba_high); |
| 1080 | pci_dma_read(PCI_DEVICE(xhci)((PCIDevice *)object_dynamic_cast_assert(((Object *)((xhci))) , ("pci-device"), "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 1080, __func__)), erstba, &seg, sizeof(seg)); |
| 1081 | le32_to_cpus(&seg.addr_low); |
| 1082 | le32_to_cpus(&seg.addr_high); |
| 1083 | le32_to_cpus(&seg.size); |
| 1084 | if (seg.size < 16 || seg.size > 4096) { |
| 1085 | fprintf(stderrstderr, "xhci: invalid value for segment size: %d\n", seg.size); |
| 1086 | xhci_die(xhci); |
| 1087 | return; |
| 1088 | } |
| 1089 | intr->er_start = xhci_addr64(seg.addr_low, seg.addr_high); |
| 1090 | intr->er_size = seg.size; |
| 1091 | |
| 1092 | intr->er_ep_idx = 0; |
| 1093 | intr->er_pcs = 1; |
| 1094 | intr->er_full = 0; |
| 1095 | |
| 1096 | DPRINTF("xhci: event ring[%d]:" DMA_ADDR_FMT " [%d]\n",do {} while (0) |
| 1097 | v, intr->er_start, intr->er_size)do {} while (0); |
| 1098 | } |
| 1099 | |
| 1100 | static void xhci_run(XHCIState *xhci) |
| 1101 | { |
| 1102 | trace_usb_xhci_run(); |
| 1103 | xhci->usbsts &= ~USBSTS_HCH(1<<0); |
| 1104 | xhci->mfindex_start = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); |
| 1105 | } |
| 1106 | |
| 1107 | static void xhci_stop(XHCIState *xhci) |
| 1108 | { |
| 1109 | trace_usb_xhci_stop(); |
| 1110 | xhci->usbsts |= USBSTS_HCH(1<<0); |
| 1111 | xhci->crcr_low &= ~CRCR_CRR(1<<3); |
| 1112 | } |
| 1113 | |
| 1114 | static XHCIStreamContext *xhci_alloc_stream_contexts(unsigned count, |
| 1115 | dma_addr_t base) |
| 1116 | { |
| 1117 | XHCIStreamContext *stctx; |
| 1118 | unsigned int i; |
| 1119 | |
| 1120 | stctx = g_new0(XHCIStreamContext, count)((XHCIStreamContext *) g_malloc0_n ((count), sizeof (XHCIStreamContext ))); |
| 1121 | for (i = 0; i < count; i++) { |
| 1122 | stctx[i].pctx = base + i * 16; |
| 1123 | stctx[i].sct = -1; |
| 1124 | } |
| 1125 | return stctx; |
| 1126 | } |
| 1127 | |
| 1128 | static void xhci_reset_streams(XHCIEPContext *epctx) |
| 1129 | { |
| 1130 | unsigned int i; |
| 1131 | |
| 1132 | for (i = 0; i < epctx->nr_pstreams; i++) { |
| 1133 | epctx->pstreams[i].sct = -1; |
| 1134 | } |
| 1135 | } |
| 1136 | |
| 1137 | static void xhci_alloc_streams(XHCIEPContext *epctx, dma_addr_t base) |
| 1138 | { |
| 1139 | assert(epctx->pstreams == NULL)((epctx->pstreams == ((void*)0)) ? (void) (0) : __assert_fail ("epctx->pstreams == ((void*)0)", "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 1139, __PRETTY_FUNCTION__)); |
| 1140 | epctx->nr_pstreams = 2 << (epctx->max_pstreams + 1); |
| 1141 | epctx->pstreams = xhci_alloc_stream_contexts(epctx->nr_pstreams, base); |
| 1142 | } |
| 1143 | |
| 1144 | static void xhci_free_streams(XHCIEPContext *epctx) |
| 1145 | { |
| 1146 | assert(epctx->pstreams != NULL)((epctx->pstreams != ((void*)0)) ? (void) (0) : __assert_fail ("epctx->pstreams != ((void*)0)", "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 1146, __PRETTY_FUNCTION__)); |
| 1147 | |
| 1148 | g_free(epctx->pstreams); |
| 1149 | epctx->pstreams = NULL((void*)0); |
| 1150 | epctx->nr_pstreams = 0; |
| 1151 | } |
| 1152 | |
| 1153 | static int xhci_epmask_to_eps_with_streams(XHCIState *xhci, |
| 1154 | unsigned int slotid, |
| 1155 | uint32_t epmask, |
| 1156 | XHCIEPContext **epctxs, |
| 1157 | USBEndpoint **eps) |
| 1158 | { |
| 1159 | XHCISlot *slot; |
| 1160 | XHCIEPContext *epctx; |
| 1161 | USBEndpoint *ep; |
| 1162 | int i, j; |
| 1163 | |
| 1164 | assert(slotid >= 1 && slotid <= xhci->numslots)((slotid >= 1 && slotid <= xhci->numslots) ? (void) (0) : __assert_fail ("slotid >= 1 && slotid <= xhci->numslots" , "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c", 1164 , __PRETTY_FUNCTION__)); |
| 1165 | |
| 1166 | slot = &xhci->slots[slotid - 1]; |
| 1167 | |
| 1168 | for (i = 2, j = 0; i <= 31; i++) { |
| 1169 | if (!(epmask & (1 << i))) { |
| 1170 | continue; |
| 1171 | } |
| 1172 | |
| 1173 | epctx = slot->eps[i - 1]; |
| 1174 | ep = xhci_epid_to_usbep(xhci, slotid, i); |
| 1175 | if (!epctx || !epctx->nr_pstreams || !ep) { |
| 1176 | continue; |
| 1177 | } |
| 1178 | |
| 1179 | if (epctxs) { |
| 1180 | epctxs[j] = epctx; |
| 1181 | } |
| 1182 | eps[j++] = ep; |
| 1183 | } |
| 1184 | return j; |
| 1185 | } |
| 1186 | |
| 1187 | static void xhci_free_device_streams(XHCIState *xhci, unsigned int slotid, |
| 1188 | uint32_t epmask) |
| 1189 | { |
| 1190 | USBEndpoint *eps[30]; |
| 1191 | int nr_eps; |
| 1192 | |
| 1193 | nr_eps = xhci_epmask_to_eps_with_streams(xhci, slotid, epmask, NULL((void*)0), eps); |
| 1194 | if (nr_eps) { |
| 1195 | usb_device_free_streams(eps[0]->dev, eps, nr_eps); |
| 1196 | } |
| 1197 | } |
| 1198 | |
| 1199 | static TRBCCode xhci_alloc_device_streams(XHCIState *xhci, unsigned int slotid, |
| 1200 | uint32_t epmask) |
| 1201 | { |
| 1202 | XHCIEPContext *epctxs[30]; |
| 1203 | USBEndpoint *eps[30]; |
| 1204 | int i, r, nr_eps, req_nr_streams, dev_max_streams; |
| 1205 | |
| 1206 | nr_eps = xhci_epmask_to_eps_with_streams(xhci, slotid, epmask, epctxs, |
| 1207 | eps); |
| 1208 | if (nr_eps == 0) { |
| 1209 | return CC_SUCCESS; |
| 1210 | } |
| 1211 | |
| 1212 | req_nr_streams = epctxs[0]->nr_pstreams; |
| 1213 | dev_max_streams = eps[0]->max_streams; |
| 1214 | |
| 1215 | for (i = 1; i < nr_eps; i++) { |
| 1216 | /* |
| 1217 | * HdG: I don't expect these to ever trigger, but if they do we need |
| 1218 | * to come up with another solution, ie group identical endpoints |
| 1219 | * together and make an usb_device_alloc_streams call per group. |
| 1220 | */ |
| 1221 | if (epctxs[i]->nr_pstreams != req_nr_streams) { |
| 1222 | FIXME("guest streams config not identical for all eps")do { fprintf(stderr, "FIXME %s:%d %s\n", __func__, 1222, "guest streams config not identical for all eps" ); abort(); } while (0); |
| 1223 | return CC_RESOURCE_ERROR; |
| 1224 | } |
| 1225 | if (eps[i]->max_streams != dev_max_streams) { |
| 1226 | FIXME("device streams config not identical for all eps")do { fprintf(stderr, "FIXME %s:%d %s\n", __func__, 1226, "device streams config not identical for all eps" ); abort(); } while (0); |
| 1227 | return CC_RESOURCE_ERROR; |
| 1228 | } |
| 1229 | } |
| 1230 | |
| 1231 | /* |
| 1232 | * max-streams in both the device descriptor and in the controller is a |
| 1233 | * power of 2. But stream id 0 is reserved, so if a device can do up to 4 |
| 1234 | * streams the guest will ask for 5 rounded up to the next power of 2 which |
| 1235 | * becomes 8. For emulated devices usb_device_alloc_streams is a nop. |
| 1236 | * |
| 1237 | * For redirected devices however this is an issue, as there we must ask |
| 1238 | * the real xhci controller to alloc streams, and the host driver for the |
| 1239 | * real xhci controller will likely disallow allocating more streams then |
| 1240 | * the device can handle. |
| 1241 | * |
| 1242 | * So we limit the requested nr_streams to the maximum number the device |
| 1243 | * can handle. |
| 1244 | */ |
| 1245 | if (req_nr_streams > dev_max_streams) { |
| 1246 | req_nr_streams = dev_max_streams; |
| 1247 | } |
| 1248 | |
| 1249 | r = usb_device_alloc_streams(eps[0]->dev, eps, nr_eps, req_nr_streams); |
| 1250 | if (r != 0) { |
| 1251 | fprintf(stderrstderr, "xhci: alloc streams failed\n"); |
| 1252 | return CC_RESOURCE_ERROR; |
| 1253 | } |
| 1254 | |
| 1255 | return CC_SUCCESS; |
| 1256 | } |
| 1257 | |
| 1258 | static XHCIStreamContext *xhci_find_stream(XHCIEPContext *epctx, |
| 1259 | unsigned int streamid, |
| 1260 | uint32_t *cc_error) |
| 1261 | { |
| 1262 | XHCIStreamContext *sctx; |
| 1263 | dma_addr_t base; |
| 1264 | uint32_t ctx[2], sct; |
| 1265 | |
| 1266 | assert(streamid != 0)((streamid != 0) ? (void) (0) : __assert_fail ("streamid != 0" , "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c", 1266 , __PRETTY_FUNCTION__)); |
| 1267 | if (epctx->lsa) { |
| 1268 | if (streamid >= epctx->nr_pstreams) { |
| 1269 | *cc_error = CC_INVALID_STREAM_ID_ERROR; |
| 1270 | return NULL((void*)0); |
| 1271 | } |
| 1272 | sctx = epctx->pstreams + streamid; |
| 1273 | } else { |
| 1274 | FIXME("secondary streams not implemented yet")do { fprintf(stderr, "FIXME %s:%d %s\n", __func__, 1274, "secondary streams not implemented yet" ); abort(); } while (0); |
| 1275 | } |
| 1276 | |
| 1277 | if (sctx->sct == -1) { |
| 1278 | xhci_dma_read_u32s(epctx->xhci, sctx->pctx, ctx, sizeof(ctx)); |
| 1279 | sct = (ctx[0] >> 1) & 0x07; |
| 1280 | if (epctx->lsa && sct != 1) { |
| 1281 | *cc_error = CC_INVALID_STREAM_TYPE_ERROR; |
| 1282 | return NULL((void*)0); |
| 1283 | } |
| 1284 | sctx->sct = sct; |
| 1285 | base = xhci_addr64(ctx[0] & ~0xf, ctx[1]); |
| 1286 | xhci_ring_init(epctx->xhci, &sctx->ring, base); |
| 1287 | } |
| 1288 | return sctx; |
| 1289 | } |
| 1290 | |
| 1291 | static void xhci_set_ep_state(XHCIState *xhci, XHCIEPContext *epctx, |
| 1292 | XHCIStreamContext *sctx, uint32_t state) |
| 1293 | { |
| 1294 | XHCIRing *ring = NULL((void*)0); |
| 1295 | uint32_t ctx[5]; |
| 1296 | uint32_t ctx2[2]; |
| 1297 | |
| 1298 | xhci_dma_read_u32s(xhci, epctx->pctx, ctx, sizeof(ctx)); |
| 1299 | ctx[0] &= ~EP_STATE_MASK0x7; |
| 1300 | ctx[0] |= state; |
| 1301 | |
| 1302 | /* update ring dequeue ptr */ |
| 1303 | if (epctx->nr_pstreams) { |
| 1304 | if (sctx != NULL((void*)0)) { |
| 1305 | ring = &sctx->ring; |
| 1306 | xhci_dma_read_u32s(xhci, sctx->pctx, ctx2, sizeof(ctx2)); |
| 1307 | ctx2[0] &= 0xe; |
| 1308 | ctx2[0] |= sctx->ring.dequeue | sctx->ring.ccs; |
| 1309 | ctx2[1] = (sctx->ring.dequeue >> 16) >> 16; |
| 1310 | xhci_dma_write_u32s(xhci, sctx->pctx, ctx2, sizeof(ctx2)); |
| 1311 | } |
| 1312 | } else { |
| 1313 | ring = &epctx->ring; |
| 1314 | } |
| 1315 | if (ring) { |
| 1316 | ctx[2] = ring->dequeue | ring->ccs; |
| 1317 | ctx[3] = (ring->dequeue >> 16) >> 16; |
| 1318 | |
| 1319 | DPRINTF("xhci: set epctx: " DMA_ADDR_FMT " state=%d dequeue=%08x%08x\n",do {} while (0) |
| 1320 | epctx->pctx, state, ctx[3], ctx[2])do {} while (0); |
| 1321 | } |
| 1322 | |
| 1323 | xhci_dma_write_u32s(xhci, epctx->pctx, ctx, sizeof(ctx)); |
| 1324 | if (epctx->state != state) { |
| 1325 | trace_usb_xhci_ep_state(epctx->slotid, epctx->epid, |
| 1326 | ep_state_name(epctx->state), |
| 1327 | ep_state_name(state)); |
| 1328 | } |
| 1329 | epctx->state = state; |
| 1330 | } |
| 1331 | |
| 1332 | static void xhci_ep_kick_timer(void *opaque) |
| 1333 | { |
| 1334 | XHCIEPContext *epctx = opaque; |
| 1335 | xhci_kick_ep(epctx->xhci, epctx->slotid, epctx->epid, 0); |
| 1336 | } |
| 1337 | |
| 1338 | static XHCIEPContext *xhci_alloc_epctx(XHCIState *xhci, |
| 1339 | unsigned int slotid, |
| 1340 | unsigned int epid) |
| 1341 | { |
| 1342 | XHCIEPContext *epctx; |
| 1343 | int i; |
| 1344 | |
| 1345 | epctx = g_new0(XHCIEPContext, 1)((XHCIEPContext *) g_malloc0_n ((1), sizeof (XHCIEPContext))); |
| 1346 | epctx->xhci = xhci; |
| 1347 | epctx->slotid = slotid; |
| 1348 | epctx->epid = epid; |
| 1349 | |
| 1350 | for (i = 0; i < ARRAY_SIZE(epctx->transfers)(sizeof(epctx->transfers) / sizeof((epctx->transfers)[0 ])); i++) { |
| 1351 | epctx->transfers[i].xhci = xhci; |
| 1352 | epctx->transfers[i].slotid = slotid; |
| 1353 | epctx->transfers[i].epid = epid; |
| 1354 | usb_packet_init(&epctx->transfers[i].packet); |
| 1355 | } |
| 1356 | epctx->kick_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, xhci_ep_kick_timer, epctx); |
| 1357 | |
| 1358 | return epctx; |
| 1359 | } |
| 1360 | |
| 1361 | static void xhci_init_epctx(XHCIEPContext *epctx, |
| 1362 | dma_addr_t pctx, uint32_t *ctx) |
| 1363 | { |
| 1364 | dma_addr_t dequeue; |
| 1365 | |
| 1366 | dequeue = xhci_addr64(ctx[2] & ~0xf, ctx[3]); |
| 1367 | |
| 1368 | epctx->type = (ctx[1] >> EP_TYPE_SHIFT3) & EP_TYPE_MASK0x7; |
| 1369 | DPRINTF("xhci: endpoint %d.%d type is %d\n", epid/2, epid%2, epctx->type)do {} while (0); |
| 1370 | epctx->pctx = pctx; |
| 1371 | epctx->max_psize = ctx[1]>>16; |
| 1372 | epctx->max_psize *= 1+((ctx[1]>>8)&0xff); |
| 1373 | epctx->max_pstreams = (ctx[0] >> 10) & 0xf; |
| 1374 | epctx->lsa = (ctx[0] >> 15) & 1; |
| 1375 | DPRINTF("xhci: endpoint %d.%d max transaction (burst) size is %d\n",do {} while (0) |
| 1376 | epid/2, epid%2, epctx->max_psize)do {} while (0); |
| 1377 | if (epctx->max_pstreams) { |
| 1378 | xhci_alloc_streams(epctx, dequeue); |
| 1379 | } else { |
| 1380 | xhci_ring_init(epctx->xhci, &epctx->ring, dequeue); |
| 1381 | epctx->ring.ccs = ctx[2] & 1; |
| 1382 | } |
| 1383 | |
| 1384 | epctx->interval = 1 << ((ctx[0] >> 16) & 0xff); |
| 1385 | } |
| 1386 | |
| 1387 | static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid, |
| 1388 | unsigned int epid, dma_addr_t pctx, |
| 1389 | uint32_t *ctx) |
| 1390 | { |
| 1391 | XHCISlot *slot; |
| 1392 | XHCIEPContext *epctx; |
| 1393 | |
| 1394 | trace_usb_xhci_ep_enable(slotid, epid); |
| 1395 | assert(slotid >= 1 && slotid <= xhci->numslots)((slotid >= 1 && slotid <= xhci->numslots) ? (void) (0) : __assert_fail ("slotid >= 1 && slotid <= xhci->numslots" , "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c", 1395 , __PRETTY_FUNCTION__)); |
| 1396 | assert(epid >= 1 && epid <= 31)((epid >= 1 && epid <= 31) ? (void) (0) : __assert_fail ("epid >= 1 && epid <= 31", "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 1396, __PRETTY_FUNCTION__)); |
| 1397 | |
| 1398 | slot = &xhci->slots[slotid-1]; |
| 1399 | if (slot->eps[epid-1]) { |
| 1400 | xhci_disable_ep(xhci, slotid, epid); |
| 1401 | } |
| 1402 | |
| 1403 | epctx = xhci_alloc_epctx(xhci, slotid, epid); |
| 1404 | slot->eps[epid-1] = epctx; |
| 1405 | xhci_init_epctx(epctx, pctx, ctx); |
| 1406 | |
| 1407 | epctx->mfindex_last = 0; |
| 1408 | |
| 1409 | epctx->state = EP_RUNNING(1<<0); |
| 1410 | ctx[0] &= ~EP_STATE_MASK0x7; |
| 1411 | ctx[0] |= EP_RUNNING(1<<0); |
| 1412 | |
| 1413 | return CC_SUCCESS; |
| 1414 | } |
| 1415 | |
| 1416 | static int xhci_ep_nuke_one_xfer(XHCITransfer *t, TRBCCode report) |
| 1417 | { |
| 1418 | int killed = 0; |
| 1419 | |
| 1420 | if (report && (t->running_async || t->running_retry)) { |
| 1421 | t->status = report; |
| 1422 | xhci_xfer_report(t); |
| 1423 | } |
| 1424 | |
| 1425 | if (t->running_async) { |
| 1426 | usb_cancel_packet(&t->packet); |
| 1427 | t->running_async = 0; |
| 1428 | killed = 1; |
| 1429 | } |
| 1430 | if (t->running_retry) { |
| 1431 | XHCIEPContext *epctx = t->xhci->slots[t->slotid-1].eps[t->epid-1]; |
| 1432 | if (epctx) { |
| 1433 | epctx->retry = NULL((void*)0); |
| 1434 | timer_del(epctx->kick_timer); |
| 1435 | } |
| 1436 | t->running_retry = 0; |
| 1437 | killed = 1; |
| 1438 | } |
| 1439 | if (t->trbs) { |
| 1440 | g_free(t->trbs); |
| 1441 | } |
| 1442 | |
| 1443 | t->trbs = NULL((void*)0); |
| 1444 | t->trb_count = t->trb_alloced = 0; |
| 1445 | |
| 1446 | return killed; |
| 1447 | } |
| 1448 | |
| 1449 | static int xhci_ep_nuke_xfers(XHCIState *xhci, unsigned int slotid, |
| 1450 | unsigned int epid, TRBCCode report) |
| 1451 | { |
| 1452 | XHCISlot *slot; |
| 1453 | XHCIEPContext *epctx; |
| 1454 | int i, xferi, killed = 0; |
| 1455 | USBEndpoint *ep = NULL((void*)0); |
| 1456 | assert(slotid >= 1 && slotid <= xhci->numslots)((slotid >= 1 && slotid <= xhci->numslots) ? (void) (0) : __assert_fail ("slotid >= 1 && slotid <= xhci->numslots" , "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c", 1456 , __PRETTY_FUNCTION__)); |
| 1457 | assert(epid >= 1 && epid <= 31)((epid >= 1 && epid <= 31) ? (void) (0) : __assert_fail ("epid >= 1 && epid <= 31", "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 1457, __PRETTY_FUNCTION__)); |
| 1458 | |
| 1459 | DPRINTF("xhci_ep_nuke_xfers(%d, %d)\n", slotid, epid)do {} while (0); |
| 1460 | |
| 1461 | slot = &xhci->slots[slotid-1]; |
| 1462 | |
| 1463 | if (!slot->eps[epid-1]) { |
| 1464 | return 0; |
| 1465 | } |
| 1466 | |
| 1467 | epctx = slot->eps[epid-1]; |
| 1468 | |
| 1469 | xferi = epctx->next_xfer; |
| 1470 | for (i = 0; i < TD_QUEUE24; i++) { |
| 1471 | killed += xhci_ep_nuke_one_xfer(&epctx->transfers[xferi], report); |
| 1472 | if (killed) { |
| 1473 | report = 0; /* Only report once */ |
| 1474 | } |
| 1475 | epctx->transfers[xferi].packet.ep = NULL((void*)0); |
| 1476 | xferi = (xferi + 1) % TD_QUEUE24; |
| 1477 | } |
| 1478 | |
| 1479 | ep = xhci_epid_to_usbep(xhci, slotid, epid); |
| 1480 | if (ep) { |
| 1481 | usb_device_ep_stopped(ep->dev, ep); |
| 1482 | } |
| 1483 | return killed; |
| 1484 | } |
| 1485 | |
| 1486 | static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, |
| 1487 | unsigned int epid) |
| 1488 | { |
| 1489 | XHCISlot *slot; |
| 1490 | XHCIEPContext *epctx; |
| 1491 | int i; |
| 1492 | |
| 1493 | trace_usb_xhci_ep_disable(slotid, epid); |
| 1494 | assert(slotid >= 1 && slotid <= xhci->numslots)((slotid >= 1 && slotid <= xhci->numslots) ? (void) (0) : __assert_fail ("slotid >= 1 && slotid <= xhci->numslots" , "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c", 1494 , __PRETTY_FUNCTION__)); |
| 1495 | assert(epid >= 1 && epid <= 31)((epid >= 1 && epid <= 31) ? (void) (0) : __assert_fail ("epid >= 1 && epid <= 31", "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 1495, __PRETTY_FUNCTION__)); |
| 1496 | |
| 1497 | slot = &xhci->slots[slotid-1]; |
| 1498 | |
| 1499 | if (!slot->eps[epid-1]) { |
| 1500 | DPRINTF("xhci: slot %d ep %d already disabled\n", slotid, epid)do {} while (0); |
| 1501 | return CC_SUCCESS; |
| 1502 | } |
| 1503 | |
| 1504 | xhci_ep_nuke_xfers(xhci, slotid, epid, 0); |
| 1505 | |
| 1506 | epctx = slot->eps[epid-1]; |
| 1507 | |
| 1508 | if (epctx->nr_pstreams) { |
| 1509 | xhci_free_streams(epctx); |
| 1510 | } |
| 1511 | |
| 1512 | for (i = 0; i < ARRAY_SIZE(epctx->transfers)(sizeof(epctx->transfers) / sizeof((epctx->transfers)[0 ])); i++) { |
| 1513 | usb_packet_cleanup(&epctx->transfers[i].packet); |
| 1514 | } |
| 1515 | |
| 1516 | xhci_set_ep_state(xhci, epctx, NULL((void*)0), EP_DISABLED(0<<0)); |
| 1517 | |
| 1518 | timer_free(epctx->kick_timer); |
| 1519 | g_free(epctx); |
| 1520 | slot->eps[epid-1] = NULL((void*)0); |
| 1521 | |
| 1522 | return CC_SUCCESS; |
| 1523 | } |
| 1524 | |
| 1525 | static TRBCCode xhci_stop_ep(XHCIState *xhci, unsigned int slotid, |
| 1526 | unsigned int epid) |
| 1527 | { |
| 1528 | XHCISlot *slot; |
| 1529 | XHCIEPContext *epctx; |
| 1530 | |
| 1531 | trace_usb_xhci_ep_stop(slotid, epid); |
| 1532 | assert(slotid >= 1 && slotid <= xhci->numslots)((slotid >= 1 && slotid <= xhci->numslots) ? (void) (0) : __assert_fail ("slotid >= 1 && slotid <= xhci->numslots" , "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c", 1532 , __PRETTY_FUNCTION__)); |
| 1533 | |
| 1534 | if (epid < 1 || epid > 31) { |
| 1535 | fprintf(stderrstderr, "xhci: bad ep %d\n", epid); |
| 1536 | return CC_TRB_ERROR; |
| 1537 | } |
| 1538 | |
| 1539 | slot = &xhci->slots[slotid-1]; |
| 1540 | |
| 1541 | if (!slot->eps[epid-1]) { |
| 1542 | DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid)do {} while (0); |
| 1543 | return CC_EP_NOT_ENABLED_ERROR; |
| 1544 | } |
| 1545 | |
| 1546 | if (xhci_ep_nuke_xfers(xhci, slotid, epid, CC_STOPPED) > 0) { |
| 1547 | fprintf(stderrstderr, "xhci: FIXME: endpoint stopped w/ xfers running, " |
| 1548 | "data might be lost\n"); |
| 1549 | } |
| 1550 | |
| 1551 | epctx = slot->eps[epid-1]; |
| 1552 | |
| 1553 | xhci_set_ep_state(xhci, epctx, NULL((void*)0), EP_STOPPED(3<<0)); |
| 1554 | |
| 1555 | if (epctx->nr_pstreams) { |
| 1556 | xhci_reset_streams(epctx); |
| 1557 | } |
| 1558 | |
| 1559 | return CC_SUCCESS; |
| 1560 | } |
| 1561 | |
| 1562 | static TRBCCode xhci_reset_ep(XHCIState *xhci, unsigned int slotid, |
| 1563 | unsigned int epid) |
| 1564 | { |
| 1565 | XHCISlot *slot; |
| 1566 | XHCIEPContext *epctx; |
| 1567 | |
| 1568 | trace_usb_xhci_ep_reset(slotid, epid); |
| 1569 | assert(slotid >= 1 && slotid <= xhci->numslots)((slotid >= 1 && slotid <= xhci->numslots) ? (void) (0) : __assert_fail ("slotid >= 1 && slotid <= xhci->numslots" , "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c", 1569 , __PRETTY_FUNCTION__)); |
| 1570 | |
| 1571 | if (epid < 1 || epid > 31) { |
| 1572 | fprintf(stderrstderr, "xhci: bad ep %d\n", epid); |
| 1573 | return CC_TRB_ERROR; |
| 1574 | } |
| 1575 | |
| 1576 | slot = &xhci->slots[slotid-1]; |
| 1577 | |
| 1578 | if (!slot->eps[epid-1]) { |
| 1579 | DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid)do {} while (0); |
| 1580 | return CC_EP_NOT_ENABLED_ERROR; |
| 1581 | } |
| 1582 | |
| 1583 | epctx = slot->eps[epid-1]; |
| 1584 | |
| 1585 | if (epctx->state != EP_HALTED(2<<0)) { |
| 1586 | fprintf(stderrstderr, "xhci: reset EP while EP %d not halted (%d)\n", |
| 1587 | epid, epctx->state); |
| 1588 | return CC_CONTEXT_STATE_ERROR; |
| 1589 | } |
| 1590 | |
| 1591 | if (xhci_ep_nuke_xfers(xhci, slotid, epid, 0) > 0) { |
| 1592 | fprintf(stderrstderr, "xhci: FIXME: endpoint reset w/ xfers running, " |
| 1593 | "data might be lost\n"); |
| 1594 | } |
| 1595 | |
| 1596 | uint8_t ep = epid>>1; |
| 1597 | |
| 1598 | if (epid & 1) { |
| 1599 | ep |= 0x80; |
Value stored to 'ep' is never read | |
| 1600 | } |
| 1601 | |
| 1602 | if (!xhci->slots[slotid-1].uport || |
| 1603 | !xhci->slots[slotid-1].uport->dev || |
| 1604 | !xhci->slots[slotid-1].uport->dev->attached) { |
| 1605 | return CC_USB_TRANSACTION_ERROR; |
| 1606 | } |
| 1607 | |
| 1608 | xhci_set_ep_state(xhci, epctx, NULL((void*)0), EP_STOPPED(3<<0)); |
| 1609 | |
| 1610 | if (epctx->nr_pstreams) { |
| 1611 | xhci_reset_streams(epctx); |
| 1612 | } |
| 1613 | |
| 1614 | return CC_SUCCESS; |
| 1615 | } |
| 1616 | |
| 1617 | static TRBCCode xhci_set_ep_dequeue(XHCIState *xhci, unsigned int slotid, |
| 1618 | unsigned int epid, unsigned int streamid, |
| 1619 | uint64_t pdequeue) |
| 1620 | { |
| 1621 | XHCISlot *slot; |
| 1622 | XHCIEPContext *epctx; |
| 1623 | XHCIStreamContext *sctx; |
| 1624 | dma_addr_t dequeue; |
| 1625 | |
| 1626 | assert(slotid >= 1 && slotid <= xhci->numslots)((slotid >= 1 && slotid <= xhci->numslots) ? (void) (0) : __assert_fail ("slotid >= 1 && slotid <= xhci->numslots" , "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c", 1626 , __PRETTY_FUNCTION__)); |
| 1627 | |
| 1628 | if (epid < 1 || epid > 31) { |
| 1629 | fprintf(stderrstderr, "xhci: bad ep %d\n", epid); |
| 1630 | return CC_TRB_ERROR; |
| 1631 | } |
| 1632 | |
| 1633 | trace_usb_xhci_ep_set_dequeue(slotid, epid, streamid, pdequeue); |
| 1634 | dequeue = xhci_mask64(pdequeue); |
| 1635 | |
| 1636 | slot = &xhci->slots[slotid-1]; |
| 1637 | |
| 1638 | if (!slot->eps[epid-1]) { |
| 1639 | DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid)do {} while (0); |
| 1640 | return CC_EP_NOT_ENABLED_ERROR; |
| 1641 | } |
| 1642 | |
| 1643 | epctx = slot->eps[epid-1]; |
| 1644 | |
| 1645 | if (epctx->state != EP_STOPPED(3<<0)) { |
| 1646 | fprintf(stderrstderr, "xhci: set EP dequeue pointer while EP %d not stopped\n", epid); |
| 1647 | return CC_CONTEXT_STATE_ERROR; |
| 1648 | } |
| 1649 | |
| 1650 | if (epctx->nr_pstreams) { |
| 1651 | uint32_t err; |
| 1652 | sctx = xhci_find_stream(epctx, streamid, &err); |
| 1653 | if (sctx == NULL((void*)0)) { |
| 1654 | return err; |
| 1655 | } |
| 1656 | xhci_ring_init(xhci, &sctx->ring, dequeue & ~0xf); |
| 1657 | sctx->ring.ccs = dequeue & 1; |
| 1658 | } else { |
| 1659 | sctx = NULL((void*)0); |
| 1660 | xhci_ring_init(xhci, &epctx->ring, dequeue & ~0xF); |
| 1661 | epctx->ring.ccs = dequeue & 1; |
| 1662 | } |
| 1663 | |
| 1664 | xhci_set_ep_state(xhci, epctx, sctx, EP_STOPPED(3<<0)); |
| 1665 | |
| 1666 | return CC_SUCCESS; |
| 1667 | } |
| 1668 | |
| 1669 | static int xhci_xfer_create_sgl(XHCITransfer *xfer, int in_xfer) |
| 1670 | { |
| 1671 | XHCIState *xhci = xfer->xhci; |
| 1672 | int i; |
| 1673 | |
| 1674 | xfer->int_req = false0; |
| 1675 | pci_dma_sglist_init(&xfer->sgl, PCI_DEVICE(xhci)((PCIDevice *)object_dynamic_cast_assert(((Object *)((xhci))) , ("pci-device"), "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 1675, __func__)), xfer->trb_count); |
| 1676 | for (i = 0; i < xfer->trb_count; i++) { |
| 1677 | XHCITRB *trb = &xfer->trbs[i]; |
| 1678 | dma_addr_t addr; |
| 1679 | unsigned int chunk = 0; |
| 1680 | |
| 1681 | if (trb->control & TRB_TR_IOC(1<<5)) { |
| 1682 | xfer->int_req = true1; |
| 1683 | } |
| 1684 | |
| 1685 | switch (TRB_TYPE(*trb)(((*trb).control >> 10) & 0x3f)) { |
| 1686 | case TR_DATA: |
| 1687 | if ((!(trb->control & TRB_TR_DIR(1<<16))) != (!in_xfer)) { |
| 1688 | fprintf(stderrstderr, "xhci: data direction mismatch for TR_DATA\n"); |
| 1689 | goto err; |
| 1690 | } |
| 1691 | /* fallthrough */ |
| 1692 | case TR_NORMAL: |
| 1693 | case TR_ISOCH: |
| 1694 | addr = xhci_mask64(trb->parameter); |
| 1695 | chunk = trb->status & 0x1ffff; |
| 1696 | if (trb->control & TRB_TR_IDT(1<<6)) { |
| 1697 | if (chunk > 8 || in_xfer) { |
| 1698 | fprintf(stderrstderr, "xhci: invalid immediate data TRB\n"); |
| 1699 | goto err; |
| 1700 | } |
| 1701 | qemu_sglist_add(&xfer->sgl, trb->addr, chunk); |
| 1702 | } else { |
| 1703 | qemu_sglist_add(&xfer->sgl, addr, chunk); |
| 1704 | } |
| 1705 | break; |
| 1706 | } |
| 1707 | } |
| 1708 | |
| 1709 | return 0; |
| 1710 | |
| 1711 | err: |
| 1712 | qemu_sglist_destroy(&xfer->sgl); |
| 1713 | xhci_die(xhci); |
| 1714 | return -1; |
| 1715 | } |
| 1716 | |
| 1717 | static void xhci_xfer_unmap(XHCITransfer *xfer) |
| 1718 | { |
| 1719 | usb_packet_unmap(&xfer->packet, &xfer->sgl); |
| 1720 | qemu_sglist_destroy(&xfer->sgl); |
| 1721 | } |
| 1722 | |
| 1723 | static void xhci_xfer_report(XHCITransfer *xfer) |
| 1724 | { |
| 1725 | uint32_t edtla = 0; |
| 1726 | unsigned int left; |
| 1727 | bool_Bool reported = 0; |
| 1728 | bool_Bool shortpkt = 0; |
| 1729 | XHCIEvent event = {ER_TRANSFER, CC_SUCCESS}; |
| 1730 | XHCIState *xhci = xfer->xhci; |
| 1731 | int i; |
| 1732 | |
| 1733 | left = xfer->packet.actual_length; |
| 1734 | |
| 1735 | for (i = 0; i < xfer->trb_count; i++) { |
| 1736 | XHCITRB *trb = &xfer->trbs[i]; |
| 1737 | unsigned int chunk = 0; |
| 1738 | |
| 1739 | switch (TRB_TYPE(*trb)(((*trb).control >> 10) & 0x3f)) { |
| 1740 | case TR_DATA: |
| 1741 | case TR_NORMAL: |
| 1742 | case TR_ISOCH: |
| 1743 | chunk = trb->status & 0x1ffff; |
| 1744 | if (chunk > left) { |
| 1745 | chunk = left; |
| 1746 | if (xfer->status == CC_SUCCESS) { |
| 1747 | shortpkt = 1; |
| 1748 | } |
| 1749 | } |
| 1750 | left -= chunk; |
| 1751 | edtla += chunk; |
| 1752 | break; |
| 1753 | case TR_STATUS: |
| 1754 | reported = 0; |
| 1755 | shortpkt = 0; |
| 1756 | break; |
| 1757 | } |
| 1758 | |
| 1759 | if (!reported && ((trb->control & TRB_TR_IOC(1<<5)) || |
| 1760 | (shortpkt && (trb->control & TRB_TR_ISP(1<<2))) || |
| 1761 | (xfer->status != CC_SUCCESS && left == 0))) { |
| 1762 | event.slotid = xfer->slotid; |
| 1763 | event.epid = xfer->epid; |
| 1764 | event.length = (trb->status & 0x1ffff) - chunk; |
| 1765 | event.flags = 0; |
| 1766 | event.ptr = trb->addr; |
| 1767 | if (xfer->status == CC_SUCCESS) { |
| 1768 | event.ccode = shortpkt ? CC_SHORT_PACKET : CC_SUCCESS; |
| 1769 | } else { |
| 1770 | event.ccode = xfer->status; |
| 1771 | } |
| 1772 | if (TRB_TYPE(*trb)(((*trb).control >> 10) & 0x3f) == TR_EVDATA) { |
| 1773 | event.ptr = trb->parameter; |
| 1774 | event.flags |= TRB_EV_ED(1<<2); |
| 1775 | event.length = edtla & 0xffffff; |
| 1776 | DPRINTF("xhci_xfer_data: EDTLA=%d\n", event.length)do {} while (0); |
| 1777 | edtla = 0; |
| 1778 | } |
| 1779 | xhci_event(xhci, &event, TRB_INTR(*trb)(((*trb).status >> 22) & 0x3ff)); |
| 1780 | reported = 1; |
| 1781 | if (xfer->status != CC_SUCCESS) { |
| 1782 | return; |
| 1783 | } |
| 1784 | } |
| 1785 | } |
| 1786 | } |
| 1787 | |
| 1788 | static void xhci_stall_ep(XHCITransfer *xfer) |
| 1789 | { |
| 1790 | XHCIState *xhci = xfer->xhci; |
| 1791 | XHCISlot *slot = &xhci->slots[xfer->slotid-1]; |
| 1792 | XHCIEPContext *epctx = slot->eps[xfer->epid-1]; |
| 1793 | uint32_t err; |
| 1794 | XHCIStreamContext *sctx; |
| 1795 | |
| 1796 | if (epctx->nr_pstreams) { |
| 1797 | sctx = xhci_find_stream(epctx, xfer->streamid, &err); |
| 1798 | if (sctx == NULL((void*)0)) { |
| 1799 | return; |
| 1800 | } |
| 1801 | sctx->ring.dequeue = xfer->trbs[0].addr; |
| 1802 | sctx->ring.ccs = xfer->trbs[0].ccs; |
| 1803 | xhci_set_ep_state(xhci, epctx, sctx, EP_HALTED(2<<0)); |
| 1804 | } else { |
| 1805 | epctx->ring.dequeue = xfer->trbs[0].addr; |
| 1806 | epctx->ring.ccs = xfer->trbs[0].ccs; |
| 1807 | xhci_set_ep_state(xhci, epctx, NULL((void*)0), EP_HALTED(2<<0)); |
| 1808 | } |
| 1809 | } |
| 1810 | |
| 1811 | static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, |
| 1812 | XHCIEPContext *epctx); |
| 1813 | |
| 1814 | static int xhci_setup_packet(XHCITransfer *xfer) |
| 1815 | { |
| 1816 | XHCIState *xhci = xfer->xhci; |
| 1817 | USBEndpoint *ep; |
| 1818 | int dir; |
| 1819 | |
| 1820 | dir = xfer->in_xfer ? USB_TOKEN_IN0x69 : USB_TOKEN_OUT0xe1; |
| 1821 | |
| 1822 | if (xfer->packet.ep) { |
| 1823 | ep = xfer->packet.ep; |
| 1824 | } else { |
| 1825 | ep = xhci_epid_to_usbep(xhci, xfer->slotid, xfer->epid); |
| 1826 | if (!ep) { |
| 1827 | fprintf(stderrstderr, "xhci: slot %d has no device\n", |
| 1828 | xfer->slotid); |
| 1829 | return -1; |
| 1830 | } |
| 1831 | } |
| 1832 | |
| 1833 | xhci_xfer_create_sgl(xfer, dir == USB_TOKEN_IN0x69); /* Also sets int_req */ |
| 1834 | usb_packet_setup(&xfer->packet, dir, ep, xfer->streamid, |
| 1835 | xfer->trbs[0].addr, false0, xfer->int_req); |
| 1836 | usb_packet_map(&xfer->packet, &xfer->sgl); |
| 1837 | DPRINTF("xhci: setup packet pid 0x%x addr %d ep %d\n",do {} while (0) |
| 1838 | xfer->packet.pid, ep->dev->addr, ep->nr)do {} while (0); |
| 1839 | return 0; |
| 1840 | } |
| 1841 | |
| 1842 | static int xhci_complete_packet(XHCITransfer *xfer) |
| 1843 | { |
| 1844 | if (xfer->packet.status == USB_RET_ASYNC(-6)) { |
| 1845 | trace_usb_xhci_xfer_async(xfer); |
| 1846 | xfer->running_async = 1; |
| 1847 | xfer->running_retry = 0; |
| 1848 | xfer->complete = 0; |
| 1849 | return 0; |
| 1850 | } else if (xfer->packet.status == USB_RET_NAK(-2)) { |
| 1851 | trace_usb_xhci_xfer_nak(xfer); |
| 1852 | xfer->running_async = 0; |
| 1853 | xfer->running_retry = 1; |
| 1854 | xfer->complete = 0; |
| 1855 | return 0; |
| 1856 | } else { |
| 1857 | xfer->running_async = 0; |
| 1858 | xfer->running_retry = 0; |
| 1859 | xfer->complete = 1; |
| 1860 | xhci_xfer_unmap(xfer); |
| 1861 | } |
| 1862 | |
| 1863 | if (xfer->packet.status == USB_RET_SUCCESS(0)) { |
| 1864 | trace_usb_xhci_xfer_success(xfer, xfer->packet.actual_length); |
| 1865 | xfer->status = CC_SUCCESS; |
| 1866 | xhci_xfer_report(xfer); |
| 1867 | return 0; |
| 1868 | } |
| 1869 | |
| 1870 | /* error */ |
| 1871 | trace_usb_xhci_xfer_error(xfer, xfer->packet.status); |
| 1872 | switch (xfer->packet.status) { |
| 1873 | case USB_RET_NODEV(-1): |
| 1874 | case USB_RET_IOERROR(-5): |
| 1875 | xfer->status = CC_USB_TRANSACTION_ERROR; |
| 1876 | xhci_xfer_report(xfer); |
| 1877 | xhci_stall_ep(xfer); |
| 1878 | break; |
| 1879 | case USB_RET_STALL(-3): |
| 1880 | xfer->status = CC_STALL_ERROR; |
| 1881 | xhci_xfer_report(xfer); |
| 1882 | xhci_stall_ep(xfer); |
| 1883 | break; |
| 1884 | case USB_RET_BABBLE(-4): |
| 1885 | xfer->status = CC_BABBLE_DETECTED; |
| 1886 | xhci_xfer_report(xfer); |
| 1887 | xhci_stall_ep(xfer); |
| 1888 | break; |
| 1889 | default: |
| 1890 | fprintf(stderrstderr, "%s: FIXME: status = %d\n", __func__, |
| 1891 | xfer->packet.status); |
| 1892 | FIXME("unhandled USB_RET_*")do { fprintf(stderr, "FIXME %s:%d %s\n", __func__, 1892, "unhandled USB_RET_*" ); abort(); } while (0); |
| 1893 | } |
| 1894 | return 0; |
| 1895 | } |
| 1896 | |
| 1897 | static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer) |
| 1898 | { |
| 1899 | XHCITRB *trb_setup, *trb_status; |
| 1900 | uint8_t bmRequestType; |
| 1901 | |
| 1902 | trb_setup = &xfer->trbs[0]; |
| 1903 | trb_status = &xfer->trbs[xfer->trb_count-1]; |
| 1904 | |
| 1905 | trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid, xfer->streamid); |
| 1906 | |
| 1907 | /* at most one Event Data TRB allowed after STATUS */ |
| 1908 | if (TRB_TYPE(*trb_status)(((*trb_status).control >> 10) & 0x3f) == TR_EVDATA && xfer->trb_count > 2) { |
| 1909 | trb_status--; |
| 1910 | } |
| 1911 | |
| 1912 | /* do some sanity checks */ |
| 1913 | if (TRB_TYPE(*trb_setup)(((*trb_setup).control >> 10) & 0x3f) != TR_SETUP) { |
| 1914 | fprintf(stderrstderr, "xhci: ep0 first TD not SETUP: %d\n", |
| 1915 | TRB_TYPE(*trb_setup)(((*trb_setup).control >> 10) & 0x3f)); |
| 1916 | return -1; |
| 1917 | } |
| 1918 | if (TRB_TYPE(*trb_status)(((*trb_status).control >> 10) & 0x3f) != TR_STATUS) { |
| 1919 | fprintf(stderrstderr, "xhci: ep0 last TD not STATUS: %d\n", |
| 1920 | TRB_TYPE(*trb_status)(((*trb_status).control >> 10) & 0x3f)); |
| 1921 | return -1; |
| 1922 | } |
| 1923 | if (!(trb_setup->control & TRB_TR_IDT(1<<6))) { |
| 1924 | fprintf(stderrstderr, "xhci: Setup TRB doesn't have IDT set\n"); |
| 1925 | return -1; |
| 1926 | } |
| 1927 | if ((trb_setup->status & 0x1ffff) != 8) { |
| 1928 | fprintf(stderrstderr, "xhci: Setup TRB has bad length (%d)\n", |
| 1929 | (trb_setup->status & 0x1ffff)); |
| 1930 | return -1; |
| 1931 | } |
| 1932 | |
| 1933 | bmRequestType = trb_setup->parameter; |
| 1934 | |
| 1935 | xfer->in_xfer = bmRequestType & USB_DIR_IN0x80; |
| 1936 | xfer->iso_xfer = false0; |
| 1937 | xfer->timed_xfer = false0; |
| 1938 | |
| 1939 | if (xhci_setup_packet(xfer) < 0) { |
| 1940 | return -1; |
| 1941 | } |
| 1942 | xfer->packet.parameter = trb_setup->parameter; |
| 1943 | |
| 1944 | usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); |
| 1945 | |
| 1946 | xhci_complete_packet(xfer); |
| 1947 | if (!xfer->running_async && !xfer->running_retry) { |
| 1948 | xhci_kick_ep(xhci, xfer->slotid, xfer->epid, 0); |
| 1949 | } |
| 1950 | return 0; |
| 1951 | } |
| 1952 | |
| 1953 | static void xhci_calc_intr_kick(XHCIState *xhci, XHCITransfer *xfer, |
| 1954 | XHCIEPContext *epctx, uint64_t mfindex) |
| 1955 | { |
| 1956 | uint64_t asap = ((mfindex + epctx->interval - 1) & |
| 1957 | ~(epctx->interval-1)); |
| 1958 | uint64_t kick = epctx->mfindex_last + epctx->interval; |
| 1959 | |
| 1960 | assert(epctx->interval != 0)((epctx->interval != 0) ? (void) (0) : __assert_fail ("epctx->interval != 0" , "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c", 1960 , __PRETTY_FUNCTION__)); |
| 1961 | xfer->mfindex_kick = MAX(asap, kick)(((asap) > (kick)) ? (asap) : (kick)); |
| 1962 | } |
| 1963 | |
| 1964 | static void xhci_calc_iso_kick(XHCIState *xhci, XHCITransfer *xfer, |
| 1965 | XHCIEPContext *epctx, uint64_t mfindex) |
| 1966 | { |
| 1967 | if (xfer->trbs[0].control & TRB_TR_SIA(1<<31)) { |
| 1968 | uint64_t asap = ((mfindex + epctx->interval - 1) & |
| 1969 | ~(epctx->interval-1)); |
| 1970 | if (asap >= epctx->mfindex_last && |
| 1971 | asap <= epctx->mfindex_last + epctx->interval * 4) { |
| 1972 | xfer->mfindex_kick = epctx->mfindex_last + epctx->interval; |
| 1973 | } else { |
| 1974 | xfer->mfindex_kick = asap; |
| 1975 | } |
| 1976 | } else { |
| 1977 | xfer->mfindex_kick = (xfer->trbs[0].control >> TRB_TR_FRAMEID_SHIFT20) |
| 1978 | & TRB_TR_FRAMEID_MASK0x7ff; |
| 1979 | xfer->mfindex_kick |= mfindex & ~0x3fff; |
| 1980 | if (xfer->mfindex_kick < mfindex) { |
| 1981 | xfer->mfindex_kick += 0x4000; |
| 1982 | } |
| 1983 | } |
| 1984 | } |
| 1985 | |
| 1986 | static void xhci_check_intr_iso_kick(XHCIState *xhci, XHCITransfer *xfer, |
| 1987 | XHCIEPContext *epctx, uint64_t mfindex) |
| 1988 | { |
| 1989 | if (xfer->mfindex_kick > mfindex) { |
| 1990 | timer_mod(epctx->kick_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + |
| 1991 | (xfer->mfindex_kick - mfindex) * 125000); |
| 1992 | xfer->running_retry = 1; |
| 1993 | } else { |
| 1994 | epctx->mfindex_last = xfer->mfindex_kick; |
| 1995 | timer_del(epctx->kick_timer); |
| 1996 | xfer->running_retry = 0; |
| 1997 | } |
| 1998 | } |
| 1999 | |
| 2000 | |
| 2001 | static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) |
| 2002 | { |
| 2003 | uint64_t mfindex; |
| 2004 | |
| 2005 | DPRINTF("xhci_submit(slotid=%d,epid=%d)\n", xfer->slotid, xfer->epid)do {} while (0); |
| 2006 | |
| 2007 | xfer->in_xfer = epctx->type>>2; |
| 2008 | |
| 2009 | switch(epctx->type) { |
| 2010 | case ET_INTR_OUT: |
| 2011 | case ET_INTR_IN: |
| 2012 | xfer->pkts = 0; |
| 2013 | xfer->iso_xfer = false0; |
| 2014 | xfer->timed_xfer = true1; |
| 2015 | mfindex = xhci_mfindex_get(xhci); |
| 2016 | xhci_calc_intr_kick(xhci, xfer, epctx, mfindex); |
| 2017 | xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex); |
| 2018 | if (xfer->running_retry) { |
| 2019 | return -1; |
| 2020 | } |
| 2021 | break; |
| 2022 | case ET_BULK_OUT: |
| 2023 | case ET_BULK_IN: |
| 2024 | xfer->pkts = 0; |
| 2025 | xfer->iso_xfer = false0; |
| 2026 | xfer->timed_xfer = false0; |
| 2027 | break; |
| 2028 | case ET_ISO_OUT: |
| 2029 | case ET_ISO_IN: |
| 2030 | xfer->pkts = 1; |
| 2031 | xfer->iso_xfer = true1; |
| 2032 | xfer->timed_xfer = true1; |
| 2033 | mfindex = xhci_mfindex_get(xhci); |
| 2034 | xhci_calc_iso_kick(xhci, xfer, epctx, mfindex); |
| 2035 | xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex); |
| 2036 | if (xfer->running_retry) { |
| 2037 | return -1; |
| 2038 | } |
| 2039 | break; |
| 2040 | default: |
| 2041 | fprintf(stderrstderr, "xhci: unknown or unhandled EP " |
| 2042 | "(type %d, in %d, ep %02x)\n", |
| 2043 | epctx->type, xfer->in_xfer, xfer->epid); |
| 2044 | return -1; |
| 2045 | } |
| 2046 | |
| 2047 | if (xhci_setup_packet(xfer) < 0) { |
| 2048 | return -1; |
| 2049 | } |
| 2050 | usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); |
| 2051 | |
| 2052 | xhci_complete_packet(xfer); |
| 2053 | if (!xfer->running_async && !xfer->running_retry) { |
| 2054 | xhci_kick_ep(xhci, xfer->slotid, xfer->epid, xfer->streamid); |
| 2055 | } |
| 2056 | return 0; |
| 2057 | } |
| 2058 | |
| 2059 | static int xhci_fire_transfer(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) |
| 2060 | { |
| 2061 | trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid, xfer->streamid); |
| 2062 | return xhci_submit(xhci, xfer, epctx); |
| 2063 | } |
| 2064 | |
| 2065 | static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, |
| 2066 | unsigned int epid, unsigned int streamid) |
| 2067 | { |
| 2068 | XHCIStreamContext *stctx; |
| 2069 | XHCIEPContext *epctx; |
| 2070 | XHCIRing *ring; |
| 2071 | USBEndpoint *ep = NULL((void*)0); |
| 2072 | uint64_t mfindex; |
| 2073 | int length; |
| 2074 | int i; |
| 2075 | |
| 2076 | trace_usb_xhci_ep_kick(slotid, epid, streamid); |
| 2077 | assert(slotid >= 1 && slotid <= xhci->numslots)((slotid >= 1 && slotid <= xhci->numslots) ? (void) (0) : __assert_fail ("slotid >= 1 && slotid <= xhci->numslots" , "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c", 2077 , __PRETTY_FUNCTION__)); |
| 2078 | assert(epid >= 1 && epid <= 31)((epid >= 1 && epid <= 31) ? (void) (0) : __assert_fail ("epid >= 1 && epid <= 31", "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 2078, __PRETTY_FUNCTION__)); |
| 2079 | |
| 2080 | if (!xhci->slots[slotid-1].enabled) { |
| 2081 | fprintf(stderrstderr, "xhci: xhci_kick_ep for disabled slot %d\n", slotid); |
| 2082 | return; |
| 2083 | } |
| 2084 | epctx = xhci->slots[slotid-1].eps[epid-1]; |
| 2085 | if (!epctx) { |
| 2086 | fprintf(stderrstderr, "xhci: xhci_kick_ep for disabled endpoint %d,%d\n", |
| 2087 | epid, slotid); |
| 2088 | return; |
| 2089 | } |
| 2090 | |
| 2091 | /* If the device has been detached, but the guest has not noticed this |
| 2092 | yet the 2 above checks will succeed, but we must NOT continue */ |
| 2093 | if (!xhci->slots[slotid - 1].uport || |
| 2094 | !xhci->slots[slotid - 1].uport->dev || |
| 2095 | !xhci->slots[slotid - 1].uport->dev->attached) { |
| 2096 | return; |
| 2097 | } |
| 2098 | |
| 2099 | if (epctx->retry) { |
| 2100 | XHCITransfer *xfer = epctx->retry; |
| 2101 | |
| 2102 | trace_usb_xhci_xfer_retry(xfer); |
| 2103 | assert(xfer->running_retry)((xfer->running_retry) ? (void) (0) : __assert_fail ("xfer->running_retry" , "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c", 2103 , __PRETTY_FUNCTION__)); |
| 2104 | if (xfer->timed_xfer) { |
| 2105 | /* time to kick the transfer? */ |
| 2106 | mfindex = xhci_mfindex_get(xhci); |
| 2107 | xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex); |
| 2108 | if (xfer->running_retry) { |
| 2109 | return; |
| 2110 | } |
| 2111 | xfer->timed_xfer = 0; |
| 2112 | xfer->running_retry = 1; |
| 2113 | } |
| 2114 | if (xfer->iso_xfer) { |
| 2115 | /* retry iso transfer */ |
| 2116 | if (xhci_setup_packet(xfer) < 0) { |
| 2117 | return; |
| 2118 | } |
| 2119 | usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); |
| 2120 | assert(xfer->packet.status != USB_RET_NAK)((xfer->packet.status != (-2)) ? (void) (0) : __assert_fail ("xfer->packet.status != (-2)", "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 2120, __PRETTY_FUNCTION__)); |
| 2121 | xhci_complete_packet(xfer); |
| 2122 | } else { |
| 2123 | /* retry nak'ed transfer */ |
| 2124 | if (xhci_setup_packet(xfer) < 0) { |
| 2125 | return; |
| 2126 | } |
| 2127 | usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); |
| 2128 | if (xfer->packet.status == USB_RET_NAK(-2)) { |
| 2129 | return; |
| 2130 | } |
| 2131 | xhci_complete_packet(xfer); |
| 2132 | } |
| 2133 | assert(!xfer->running_retry)((!xfer->running_retry) ? (void) (0) : __assert_fail ("!xfer->running_retry" , "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c", 2133 , __PRETTY_FUNCTION__)); |
| 2134 | epctx->retry = NULL((void*)0); |
| 2135 | } |
| 2136 | |
| 2137 | if (epctx->state == EP_HALTED(2<<0)) { |
| 2138 | DPRINTF("xhci: ep halted, not running schedule\n")do {} while (0); |
| 2139 | return; |
| 2140 | } |
| 2141 | |
| 2142 | |
| 2143 | if (epctx->nr_pstreams) { |
| 2144 | uint32_t err; |
| 2145 | stctx = xhci_find_stream(epctx, streamid, &err); |
| 2146 | if (stctx == NULL((void*)0)) { |
| 2147 | return; |
| 2148 | } |
| 2149 | ring = &stctx->ring; |
| 2150 | xhci_set_ep_state(xhci, epctx, stctx, EP_RUNNING(1<<0)); |
| 2151 | } else { |
| 2152 | ring = &epctx->ring; |
| 2153 | streamid = 0; |
| 2154 | xhci_set_ep_state(xhci, epctx, NULL((void*)0), EP_RUNNING(1<<0)); |
| 2155 | } |
| 2156 | assert(ring->dequeue != 0)((ring->dequeue != 0) ? (void) (0) : __assert_fail ("ring->dequeue != 0" , "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c", 2156 , __PRETTY_FUNCTION__)); |
| 2157 | |
| 2158 | while (1) { |
| 2159 | XHCITransfer *xfer = &epctx->transfers[epctx->next_xfer]; |
| 2160 | if (xfer->running_async || xfer->running_retry) { |
| 2161 | break; |
| 2162 | } |
| 2163 | length = xhci_ring_chain_length(xhci, ring); |
| 2164 | if (length < 0) { |
| 2165 | break; |
| 2166 | } else if (length == 0) { |
| 2167 | break; |
| 2168 | } |
| 2169 | if (xfer->trbs && xfer->trb_alloced < length) { |
| 2170 | xfer->trb_count = 0; |
| 2171 | xfer->trb_alloced = 0; |
| 2172 | g_free(xfer->trbs); |
| 2173 | xfer->trbs = NULL((void*)0); |
| 2174 | } |
| 2175 | if (!xfer->trbs) { |
| 2176 | xfer->trbs = g_malloc(sizeof(XHCITRB) * length); |
| 2177 | xfer->trb_alloced = length; |
| 2178 | } |
| 2179 | xfer->trb_count = length; |
| 2180 | |
| 2181 | for (i = 0; i < length; i++) { |
| 2182 | assert(xhci_ring_fetch(xhci, ring, &xfer->trbs[i], NULL))((xhci_ring_fetch(xhci, ring, &xfer->trbs[i], ((void*) 0))) ? (void) (0) : __assert_fail ("xhci_ring_fetch(xhci, ring, &xfer->trbs[i], ((void*)0))" , "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c", 2182 , __PRETTY_FUNCTION__)); |
| 2183 | } |
| 2184 | xfer->streamid = streamid; |
| 2185 | |
| 2186 | if (epid == 1) { |
| 2187 | if (xhci_fire_ctl_transfer(xhci, xfer) >= 0) { |
| 2188 | epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE24; |
| 2189 | ep = xfer->packet.ep; |
| 2190 | } else { |
| 2191 | fprintf(stderrstderr, "xhci: error firing CTL transfer\n"); |
| 2192 | } |
| 2193 | } else { |
| 2194 | if (xhci_fire_transfer(xhci, xfer, epctx) >= 0) { |
| 2195 | epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE24; |
| 2196 | } else { |
| 2197 | if (!xfer->timed_xfer) { |
| 2198 | fprintf(stderrstderr, "xhci: error firing data transfer\n"); |
| 2199 | } |
| 2200 | } |
| 2201 | } |
| 2202 | |
| 2203 | if (epctx->state == EP_HALTED(2<<0)) { |
| 2204 | break; |
| 2205 | } |
| 2206 | if (xfer->running_retry) { |
| 2207 | DPRINTF("xhci: xfer nacked, stopping schedule\n")do {} while (0); |
| 2208 | epctx->retry = xfer; |
| 2209 | break; |
| 2210 | } |
| 2211 | } |
| 2212 | |
| 2213 | ep = xhci_epid_to_usbep(xhci, slotid, epid); |
| 2214 | if (ep) { |
| 2215 | usb_device_flush_ep_queue(ep->dev, ep); |
| 2216 | } |
| 2217 | } |
| 2218 | |
| 2219 | static TRBCCode xhci_enable_slot(XHCIState *xhci, unsigned int slotid) |
| 2220 | { |
| 2221 | trace_usb_xhci_slot_enable(slotid); |
| 2222 | assert(slotid >= 1 && slotid <= xhci->numslots)((slotid >= 1 && slotid <= xhci->numslots) ? (void) (0) : __assert_fail ("slotid >= 1 && slotid <= xhci->numslots" , "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c", 2222 , __PRETTY_FUNCTION__)); |
| 2223 | xhci->slots[slotid-1].enabled = 1; |
| 2224 | xhci->slots[slotid-1].uport = NULL((void*)0); |
| 2225 | memset(xhci->slots[slotid-1].eps, 0, sizeof(XHCIEPContext*)*31); |
| 2226 | |
| 2227 | return CC_SUCCESS; |
| 2228 | } |
| 2229 | |
| 2230 | static TRBCCode xhci_disable_slot(XHCIState *xhci, unsigned int slotid) |
| 2231 | { |
| 2232 | int i; |
| 2233 | |
| 2234 | trace_usb_xhci_slot_disable(slotid); |
| 2235 | assert(slotid >= 1 && slotid <= xhci->numslots)((slotid >= 1 && slotid <= xhci->numslots) ? (void) (0) : __assert_fail ("slotid >= 1 && slotid <= xhci->numslots" , "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c", 2235 , __PRETTY_FUNCTION__)); |
| 2236 | |
| 2237 | for (i = 1; i <= 31; i++) { |
| 2238 | if (xhci->slots[slotid-1].eps[i-1]) { |
| 2239 | xhci_disable_ep(xhci, slotid, i); |
| 2240 | } |
| 2241 | } |
| 2242 | |
| 2243 | xhci->slots[slotid-1].enabled = 0; |
| 2244 | xhci->slots[slotid-1].addressed = 0; |
| 2245 | xhci->slots[slotid-1].uport = NULL((void*)0); |
| 2246 | return CC_SUCCESS; |
| 2247 | } |
| 2248 | |
| 2249 | static USBPort *xhci_lookup_uport(XHCIState *xhci, uint32_t *slot_ctx) |
| 2250 | { |
| 2251 | USBPort *uport; |
| 2252 | char path[32]; |
| 2253 | int i, pos, port; |
| 2254 | |
| 2255 | port = (slot_ctx[1]>>16) & 0xFF; |
| 2256 | port = xhci->ports[port-1].uport->index+1; |
| 2257 | pos = snprintf(path, sizeof(path), "%d", port); |
| 2258 | for (i = 0; i < 5; i++) { |
| 2259 | port = (slot_ctx[0] >> 4*i) & 0x0f; |
| 2260 | if (!port) { |
| 2261 | break; |
| 2262 | } |
| 2263 | pos += snprintf(path + pos, sizeof(path) - pos, ".%d", port); |
| 2264 | } |
| 2265 | |
| 2266 | QTAILQ_FOREACH(uport, &xhci->bus.used, next)for ((uport) = ((&xhci->bus.used)->tqh_first); (uport ); (uport) = ((uport)->next.tqe_next)) { |
| 2267 | if (strcmp(uport->path, path) == 0) { |
| 2268 | return uport; |
| 2269 | } |
| 2270 | } |
| 2271 | return NULL((void*)0); |
| 2272 | } |
| 2273 | |
| 2274 | static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid, |
| 2275 | uint64_t pictx, bool_Bool bsr) |
| 2276 | { |
| 2277 | XHCISlot *slot; |
| 2278 | USBPort *uport; |
| 2279 | USBDevice *dev; |
| 2280 | dma_addr_t ictx, octx, dcbaap; |
| 2281 | uint64_t poctx; |
| 2282 | uint32_t ictl_ctx[2]; |
| 2283 | uint32_t slot_ctx[4]; |
| 2284 | uint32_t ep0_ctx[5]; |
| 2285 | int i; |
| 2286 | TRBCCode res; |
| 2287 | |
| 2288 | assert(slotid >= 1 && slotid <= xhci->numslots)((slotid >= 1 && slotid <= xhci->numslots) ? (void) (0) : __assert_fail ("slotid >= 1 && slotid <= xhci->numslots" , "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c", 2288 , __PRETTY_FUNCTION__)); |
| 2289 | |
| 2290 | dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high); |
| 2291 | poctx = ldq_le_pci_dma(PCI_DEVICE(xhci)((PCIDevice *)object_dynamic_cast_assert(((Object *)((xhci))) , ("pci-device"), "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 2291, __func__)), dcbaap + 8 * slotid); |
| 2292 | ictx = xhci_mask64(pictx); |
| 2293 | octx = xhci_mask64(poctx); |
| 2294 | |
| 2295 | DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx)do {} while (0); |
| 2296 | DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx)do {} while (0); |
| 2297 | |
| 2298 | xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx)); |
| 2299 | |
| 2300 | if (ictl_ctx[0] != 0x0 || ictl_ctx[1] != 0x3) { |
| 2301 | fprintf(stderrstderr, "xhci: invalid input context control %08x %08x\n", |
| 2302 | ictl_ctx[0], ictl_ctx[1]); |
| 2303 | return CC_TRB_ERROR; |
| 2304 | } |
| 2305 | |
| 2306 | xhci_dma_read_u32s(xhci, ictx+32, slot_ctx, sizeof(slot_ctx)); |
| 2307 | xhci_dma_read_u32s(xhci, ictx+64, ep0_ctx, sizeof(ep0_ctx)); |
| 2308 | |
| 2309 | DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n",do {} while (0) |
| 2310 | slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3])do {} while (0); |
| 2311 | |
| 2312 | DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n",do {} while (0) |
| 2313 | ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4])do {} while (0); |
| 2314 | |
| 2315 | uport = xhci_lookup_uport(xhci, slot_ctx); |
| 2316 | if (uport == NULL((void*)0)) { |
| 2317 | fprintf(stderrstderr, "xhci: port not found\n"); |
| 2318 | return CC_TRB_ERROR; |
| 2319 | } |
| 2320 | trace_usb_xhci_slot_address(slotid, uport->path); |
| 2321 | |
| 2322 | dev = uport->dev; |
| 2323 | if (!dev || !dev->attached) { |
| 2324 | fprintf(stderrstderr, "xhci: port %s not connected\n", uport->path); |
| 2325 | return CC_USB_TRANSACTION_ERROR; |
| 2326 | } |
| 2327 | |
| 2328 | for (i = 0; i < xhci->numslots; i++) { |
| 2329 | if (i == slotid-1) { |
| 2330 | continue; |
| 2331 | } |
| 2332 | if (xhci->slots[i].uport == uport) { |
| 2333 | fprintf(stderrstderr, "xhci: port %s already assigned to slot %d\n", |
| 2334 | uport->path, i+1); |
| 2335 | return CC_TRB_ERROR; |
| 2336 | } |
| 2337 | } |
| 2338 | |
| 2339 | slot = &xhci->slots[slotid-1]; |
| 2340 | slot->uport = uport; |
| 2341 | slot->ctx = octx; |
| 2342 | |
| 2343 | if (bsr) { |
| 2344 | slot_ctx[3] = SLOT_DEFAULT1 << SLOT_STATE_SHIFT27; |
| 2345 | } else { |
| 2346 | USBPacket p; |
| 2347 | uint8_t buf[1]; |
| 2348 | |
| 2349 | slot_ctx[3] = (SLOT_ADDRESSED2 << SLOT_STATE_SHIFT27) | slotid; |
| 2350 | usb_device_reset(dev); |
| 2351 | memset(&p, 0, sizeof(p)); |
| 2352 | usb_packet_addbuf(&p, buf, sizeof(buf)); |
| 2353 | usb_packet_setup(&p, USB_TOKEN_OUT0xe1, |
| 2354 | usb_ep_get(dev, USB_TOKEN_OUT0xe1, 0), 0, |
| 2355 | 0, false0, false0); |
| 2356 | usb_device_handle_control(dev, &p, |
| 2357 | DeviceOutRequest((0|(0x00 << 5)|0x00)<<8) | USB_REQ_SET_ADDRESS0x05, |
| 2358 | slotid, 0, 0, NULL((void*)0)); |
| 2359 | assert(p.status != USB_RET_ASYNC)((p.status != (-6)) ? (void) (0) : __assert_fail ("p.status != (-6)" , "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c", 2359 , __PRETTY_FUNCTION__)); |
| 2360 | } |
| 2361 | |
| 2362 | res = xhci_enable_ep(xhci, slotid, 1, octx+32, ep0_ctx); |
| 2363 | |
| 2364 | DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",do {} while (0) |
| 2365 | slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3])do {} while (0); |
| 2366 | DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n",do {} while (0) |
| 2367 | ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4])do {} while (0); |
| 2368 | |
| 2369 | xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); |
| 2370 | xhci_dma_write_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx)); |
| 2371 | |
| 2372 | xhci->slots[slotid-1].addressed = 1; |
| 2373 | return res; |
| 2374 | } |
| 2375 | |
| 2376 | |
| 2377 | static TRBCCode xhci_configure_slot(XHCIState *xhci, unsigned int slotid, |
| 2378 | uint64_t pictx, bool_Bool dc) |
| 2379 | { |
| 2380 | dma_addr_t ictx, octx; |
| 2381 | uint32_t ictl_ctx[2]; |
| 2382 | uint32_t slot_ctx[4]; |
| 2383 | uint32_t islot_ctx[4]; |
| 2384 | uint32_t ep_ctx[5]; |
| 2385 | int i; |
| 2386 | TRBCCode res; |
| 2387 | |
| 2388 | trace_usb_xhci_slot_configure(slotid); |
| 2389 | assert(slotid >= 1 && slotid <= xhci->numslots)((slotid >= 1 && slotid <= xhci->numslots) ? (void) (0) : __assert_fail ("slotid >= 1 && slotid <= xhci->numslots" , "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c", 2389 , __PRETTY_FUNCTION__)); |
| 2390 | |
| 2391 | ictx = xhci_mask64(pictx); |
| 2392 | octx = xhci->slots[slotid-1].ctx; |
| 2393 | |
| 2394 | DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx)do {} while (0); |
| 2395 | DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx)do {} while (0); |
| 2396 | |
| 2397 | if (dc) { |
| 2398 | for (i = 2; i <= 31; i++) { |
| 2399 | if (xhci->slots[slotid-1].eps[i-1]) { |
| 2400 | xhci_disable_ep(xhci, slotid, i); |
| 2401 | } |
| 2402 | } |
| 2403 | |
| 2404 | xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); |
| 2405 | slot_ctx[3] &= ~(SLOT_STATE_MASK0x1f << SLOT_STATE_SHIFT27); |
| 2406 | slot_ctx[3] |= SLOT_ADDRESSED2 << SLOT_STATE_SHIFT27; |
| 2407 | DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",do {} while (0) |
| 2408 | slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3])do {} while (0); |
| 2409 | xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); |
| 2410 | |
| 2411 | return CC_SUCCESS; |
| 2412 | } |
| 2413 | |
| 2414 | xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx)); |
| 2415 | |
| 2416 | if ((ictl_ctx[0] & 0x3) != 0x0 || (ictl_ctx[1] & 0x3) != 0x1) { |
| 2417 | fprintf(stderrstderr, "xhci: invalid input context control %08x %08x\n", |
| 2418 | ictl_ctx[0], ictl_ctx[1]); |
| 2419 | return CC_TRB_ERROR; |
| 2420 | } |
| 2421 | |
| 2422 | xhci_dma_read_u32s(xhci, ictx+32, islot_ctx, sizeof(islot_ctx)); |
| 2423 | xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); |
| 2424 | |
| 2425 | if (SLOT_STATE(slot_ctx[3])(((slot_ctx[3])>>27)&0x1f) < SLOT_ADDRESSED2) { |
| 2426 | fprintf(stderrstderr, "xhci: invalid slot state %08x\n", slot_ctx[3]); |
| 2427 | return CC_CONTEXT_STATE_ERROR; |
| 2428 | } |
| 2429 | |
| 2430 | xhci_free_device_streams(xhci, slotid, ictl_ctx[0] | ictl_ctx[1]); |
| 2431 | |
| 2432 | for (i = 2; i <= 31; i++) { |
| 2433 | if (ictl_ctx[0] & (1<<i)) { |
| 2434 | xhci_disable_ep(xhci, slotid, i); |
| 2435 | } |
| 2436 | if (ictl_ctx[1] & (1<<i)) { |
| 2437 | xhci_dma_read_u32s(xhci, ictx+32+(32*i), ep_ctx, sizeof(ep_ctx)); |
| 2438 | DPRINTF("xhci: input ep%d.%d context: %08x %08x %08x %08x %08x\n",do {} while (0) |
| 2439 | i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2],do {} while (0) |
| 2440 | ep_ctx[3], ep_ctx[4])do {} while (0); |
| 2441 | xhci_disable_ep(xhci, slotid, i); |
| 2442 | res = xhci_enable_ep(xhci, slotid, i, octx+(32*i), ep_ctx); |
| 2443 | if (res != CC_SUCCESS) { |
| 2444 | return res; |
| 2445 | } |
| 2446 | DPRINTF("xhci: output ep%d.%d context: %08x %08x %08x %08x %08x\n",do {} while (0) |
| 2447 | i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2],do {} while (0) |
| 2448 | ep_ctx[3], ep_ctx[4])do {} while (0); |
| 2449 | xhci_dma_write_u32s(xhci, octx+(32*i), ep_ctx, sizeof(ep_ctx)); |
| 2450 | } |
| 2451 | } |
| 2452 | |
| 2453 | res = xhci_alloc_device_streams(xhci, slotid, ictl_ctx[1]); |
| 2454 | if (res != CC_SUCCESS) { |
| 2455 | for (i = 2; i <= 31; i++) { |
| 2456 | if (ictl_ctx[1] & (1 << i)) { |
| 2457 | xhci_disable_ep(xhci, slotid, i); |
| 2458 | } |
| 2459 | } |
| 2460 | return res; |
| 2461 | } |
| 2462 | |
| 2463 | slot_ctx[3] &= ~(SLOT_STATE_MASK0x1f << SLOT_STATE_SHIFT27); |
| 2464 | slot_ctx[3] |= SLOT_CONFIGURED3 << SLOT_STATE_SHIFT27; |
| 2465 | slot_ctx[0] &= ~(SLOT_CONTEXT_ENTRIES_MASK0x1f << SLOT_CONTEXT_ENTRIES_SHIFT27); |
| 2466 | slot_ctx[0] |= islot_ctx[0] & (SLOT_CONTEXT_ENTRIES_MASK0x1f << |
| 2467 | SLOT_CONTEXT_ENTRIES_SHIFT27); |
| 2468 | DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",do {} while (0) |
| 2469 | slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3])do {} while (0); |
| 2470 | |
| 2471 | xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); |
| 2472 | |
| 2473 | return CC_SUCCESS; |
| 2474 | } |
| 2475 | |
| 2476 | |
| 2477 | static TRBCCode xhci_evaluate_slot(XHCIState *xhci, unsigned int slotid, |
| 2478 | uint64_t pictx) |
| 2479 | { |
| 2480 | dma_addr_t ictx, octx; |
| 2481 | uint32_t ictl_ctx[2]; |
| 2482 | uint32_t iep0_ctx[5]; |
| 2483 | uint32_t ep0_ctx[5]; |
| 2484 | uint32_t islot_ctx[4]; |
| 2485 | uint32_t slot_ctx[4]; |
| 2486 | |
| 2487 | trace_usb_xhci_slot_evaluate(slotid); |
| 2488 | assert(slotid >= 1 && slotid <= xhci->numslots)((slotid >= 1 && slotid <= xhci->numslots) ? (void) (0) : __assert_fail ("slotid >= 1 && slotid <= xhci->numslots" , "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c", 2488 , __PRETTY_FUNCTION__)); |
| 2489 | |
| 2490 | ictx = xhci_mask64(pictx); |
| 2491 | octx = xhci->slots[slotid-1].ctx; |
| 2492 | |
| 2493 | DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx)do {} while (0); |
| 2494 | DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx)do {} while (0); |
| 2495 | |
| 2496 | xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx)); |
| 2497 | |
| 2498 | if (ictl_ctx[0] != 0x0 || ictl_ctx[1] & ~0x3) { |
| 2499 | fprintf(stderrstderr, "xhci: invalid input context control %08x %08x\n", |
| 2500 | ictl_ctx[0], ictl_ctx[1]); |
| 2501 | return CC_TRB_ERROR; |
| 2502 | } |
| 2503 | |
| 2504 | if (ictl_ctx[1] & 0x1) { |
| 2505 | xhci_dma_read_u32s(xhci, ictx+32, islot_ctx, sizeof(islot_ctx)); |
| 2506 | |
| 2507 | DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n",do {} while (0) |
| 2508 | islot_ctx[0], islot_ctx[1], islot_ctx[2], islot_ctx[3])do {} while (0); |
| 2509 | |
| 2510 | xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); |
| 2511 | |
| 2512 | slot_ctx[1] &= ~0xFFFF; /* max exit latency */ |
| 2513 | slot_ctx[1] |= islot_ctx[1] & 0xFFFF; |
| 2514 | slot_ctx[2] &= ~0xFF00000; /* interrupter target */ |
| 2515 | slot_ctx[2] |= islot_ctx[2] & 0xFF000000; |
| 2516 | |
| 2517 | DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",do {} while (0) |
| 2518 | slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3])do {} while (0); |
| 2519 | |
| 2520 | xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); |
| 2521 | } |
| 2522 | |
| 2523 | if (ictl_ctx[1] & 0x2) { |
| 2524 | xhci_dma_read_u32s(xhci, ictx+64, iep0_ctx, sizeof(iep0_ctx)); |
| 2525 | |
| 2526 | DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n",do {} while (0) |
| 2527 | iep0_ctx[0], iep0_ctx[1], iep0_ctx[2],do {} while (0) |
| 2528 | iep0_ctx[3], iep0_ctx[4])do {} while (0); |
| 2529 | |
| 2530 | xhci_dma_read_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx)); |
| 2531 | |
| 2532 | ep0_ctx[1] &= ~0xFFFF0000; /* max packet size*/ |
| 2533 | ep0_ctx[1] |= iep0_ctx[1] & 0xFFFF0000; |
| 2534 | |
| 2535 | DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n",do {} while (0) |
| 2536 | ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4])do {} while (0); |
| 2537 | |
| 2538 | xhci_dma_write_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx)); |
| 2539 | } |
| 2540 | |
| 2541 | return CC_SUCCESS; |
| 2542 | } |
| 2543 | |
| 2544 | static TRBCCode xhci_reset_slot(XHCIState *xhci, unsigned int slotid) |
| 2545 | { |
| 2546 | uint32_t slot_ctx[4]; |
| 2547 | dma_addr_t octx; |
| 2548 | int i; |
| 2549 | |
| 2550 | trace_usb_xhci_slot_reset(slotid); |
| 2551 | assert(slotid >= 1 && slotid <= xhci->numslots)((slotid >= 1 && slotid <= xhci->numslots) ? (void) (0) : __assert_fail ("slotid >= 1 && slotid <= xhci->numslots" , "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c", 2551 , __PRETTY_FUNCTION__)); |
| 2552 | |
| 2553 | octx = xhci->slots[slotid-1].ctx; |
| 2554 | |
| 2555 | DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx)do {} while (0); |
| 2556 | |
| 2557 | for (i = 2; i <= 31; i++) { |
| 2558 | if (xhci->slots[slotid-1].eps[i-1]) { |
| 2559 | xhci_disable_ep(xhci, slotid, i); |
| 2560 | } |
| 2561 | } |
| 2562 | |
| 2563 | xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); |
| 2564 | slot_ctx[3] &= ~(SLOT_STATE_MASK0x1f << SLOT_STATE_SHIFT27); |
| 2565 | slot_ctx[3] |= SLOT_DEFAULT1 << SLOT_STATE_SHIFT27; |
| 2566 | DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",do {} while (0) |
| 2567 | slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3])do {} while (0); |
| 2568 | xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx)); |
| 2569 | |
| 2570 | return CC_SUCCESS; |
| 2571 | } |
| 2572 | |
| 2573 | static unsigned int xhci_get_slot(XHCIState *xhci, XHCIEvent *event, XHCITRB *trb) |
| 2574 | { |
| 2575 | unsigned int slotid; |
| 2576 | slotid = (trb->control >> TRB_CR_SLOTID_SHIFT24) & TRB_CR_SLOTID_MASK0xff; |
| 2577 | if (slotid < 1 || slotid > xhci->numslots) { |
| 2578 | fprintf(stderrstderr, "xhci: bad slot id %d\n", slotid); |
| 2579 | event->ccode = CC_TRB_ERROR; |
| 2580 | return 0; |
| 2581 | } else if (!xhci->slots[slotid-1].enabled) { |
| 2582 | fprintf(stderrstderr, "xhci: slot id %d not enabled\n", slotid); |
| 2583 | event->ccode = CC_SLOT_NOT_ENABLED_ERROR; |
| 2584 | return 0; |
| 2585 | } |
| 2586 | return slotid; |
| 2587 | } |
| 2588 | |
| 2589 | /* cleanup slot state on usb device detach */ |
| 2590 | static void xhci_detach_slot(XHCIState *xhci, USBPort *uport) |
| 2591 | { |
| 2592 | int slot, ep; |
| 2593 | |
| 2594 | for (slot = 0; slot < xhci->numslots; slot++) { |
| 2595 | if (xhci->slots[slot].uport == uport) { |
| 2596 | break; |
| 2597 | } |
| 2598 | } |
| 2599 | if (slot == xhci->numslots) { |
| 2600 | return; |
| 2601 | } |
| 2602 | |
| 2603 | for (ep = 0; ep < 31; ep++) { |
| 2604 | if (xhci->slots[slot].eps[ep]) { |
| 2605 | xhci_ep_nuke_xfers(xhci, slot + 1, ep + 1, 0); |
| 2606 | } |
| 2607 | } |
| 2608 | xhci->slots[slot].uport = NULL((void*)0); |
| 2609 | } |
| 2610 | |
| 2611 | static TRBCCode xhci_get_port_bandwidth(XHCIState *xhci, uint64_t pctx) |
| 2612 | { |
| 2613 | dma_addr_t ctx; |
| 2614 | uint8_t bw_ctx[xhci->numports+1]; |
| 2615 | |
| 2616 | DPRINTF("xhci_get_port_bandwidth()\n")do {} while (0); |
| 2617 | |
| 2618 | ctx = xhci_mask64(pctx); |
| 2619 | |
| 2620 | DPRINTF("xhci: bandwidth context at "DMA_ADDR_FMT"\n", ctx)do {} while (0); |
| 2621 | |
| 2622 | /* TODO: actually implement real values here */ |
| 2623 | bw_ctx[0] = 0; |
| 2624 | memset(&bw_ctx[1], 80, xhci->numports); /* 80% */ |
| 2625 | pci_dma_write(PCI_DEVICE(xhci)((PCIDevice *)object_dynamic_cast_assert(((Object *)((xhci))) , ("pci-device"), "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 2625, __func__)), ctx, bw_ctx, sizeof(bw_ctx)); |
| 2626 | |
| 2627 | return CC_SUCCESS; |
| 2628 | } |
| 2629 | |
| 2630 | static uint32_t rotl(uint32_t v, unsigned count) |
| 2631 | { |
| 2632 | count &= 31; |
| 2633 | return (v << count) | (v >> (32 - count)); |
| 2634 | } |
| 2635 | |
| 2636 | |
| 2637 | static uint32_t xhci_nec_challenge(uint32_t hi, uint32_t lo) |
| 2638 | { |
| 2639 | uint32_t val; |
| 2640 | val = rotl(lo - 0x49434878, 32 - ((hi>>8) & 0x1F)); |
| 2641 | val += rotl(lo + 0x49434878, hi & 0x1F); |
| 2642 | val -= rotl(hi ^ 0x49434878, (lo >> 16) & 0x1F); |
| 2643 | return ~val; |
| 2644 | } |
| 2645 | |
| 2646 | static void xhci_via_challenge(XHCIState *xhci, uint64_t addr) |
| 2647 | { |
| 2648 | PCIDevice *pci_dev = PCI_DEVICE(xhci)((PCIDevice *)object_dynamic_cast_assert(((Object *)((xhci))) , ("pci-device"), "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 2648, __func__)); |
| 2649 | uint32_t buf[8]; |
| 2650 | uint32_t obuf[8]; |
| 2651 | dma_addr_t paddr = xhci_mask64(addr); |
| 2652 | |
| 2653 | pci_dma_read(pci_dev, paddr, &buf, 32); |
| 2654 | |
| 2655 | memcpy(obuf, buf, sizeof(obuf)); |
| 2656 | |
| 2657 | if ((buf[0] & 0xff) == 2) { |
| 2658 | obuf[0] = 0x49932000 + 0x54dc200 * buf[2] + 0x7429b578 * buf[3]; |
| 2659 | obuf[0] |= (buf[2] * buf[3]) & 0xff; |
| 2660 | obuf[1] = 0x0132bb37 + 0xe89 * buf[2] + 0xf09 * buf[3]; |
| 2661 | obuf[2] = 0x0066c2e9 + 0x2091 * buf[2] + 0x19bd * buf[3]; |
| 2662 | obuf[3] = 0xd5281342 + 0x2cc9691 * buf[2] + 0x2367662 * buf[3]; |
| 2663 | obuf[4] = 0x0123c75c + 0x1595 * buf[2] + 0x19ec * buf[3]; |
| 2664 | obuf[5] = 0x00f695de + 0x26fd * buf[2] + 0x3e9 * buf[3]; |
| 2665 | obuf[6] = obuf[2] ^ obuf[3] ^ 0x29472956; |
| 2666 | obuf[7] = obuf[2] ^ obuf[3] ^ 0x65866593; |
| 2667 | } |
| 2668 | |
| 2669 | pci_dma_write(pci_dev, paddr, &obuf, 32); |
| 2670 | } |
| 2671 | |
| 2672 | static void xhci_process_commands(XHCIState *xhci) |
| 2673 | { |
| 2674 | XHCITRB trb; |
| 2675 | TRBType type; |
| 2676 | XHCIEvent event = {ER_COMMAND_COMPLETE, CC_SUCCESS}; |
| 2677 | dma_addr_t addr; |
| 2678 | unsigned int i, slotid = 0; |
| 2679 | |
| 2680 | DPRINTF("xhci_process_commands()\n")do {} while (0); |
| 2681 | if (!xhci_running(xhci)) { |
| 2682 | DPRINTF("xhci_process_commands() called while xHC stopped or paused\n")do {} while (0); |
| 2683 | return; |
| 2684 | } |
| 2685 | |
| 2686 | xhci->crcr_low |= CRCR_CRR(1<<3); |
| 2687 | |
| 2688 | while ((type = xhci_ring_fetch(xhci, &xhci->cmd_ring, &trb, &addr))) { |
| 2689 | event.ptr = addr; |
| 2690 | switch (type) { |
| 2691 | case CR_ENABLE_SLOT: |
| 2692 | for (i = 0; i < xhci->numslots; i++) { |
| 2693 | if (!xhci->slots[i].enabled) { |
| 2694 | break; |
| 2695 | } |
| 2696 | } |
| 2697 | if (i >= xhci->numslots) { |
| 2698 | fprintf(stderrstderr, "xhci: no device slots available\n"); |
| 2699 | event.ccode = CC_NO_SLOTS_ERROR; |
| 2700 | } else { |
| 2701 | slotid = i+1; |
| 2702 | event.ccode = xhci_enable_slot(xhci, slotid); |
| 2703 | } |
| 2704 | break; |
| 2705 | case CR_DISABLE_SLOT: |
| 2706 | slotid = xhci_get_slot(xhci, &event, &trb); |
| 2707 | if (slotid) { |
| 2708 | event.ccode = xhci_disable_slot(xhci, slotid); |
| 2709 | } |
| 2710 | break; |
| 2711 | case CR_ADDRESS_DEVICE: |
| 2712 | slotid = xhci_get_slot(xhci, &event, &trb); |
| 2713 | if (slotid) { |
| 2714 | event.ccode = xhci_address_slot(xhci, slotid, trb.parameter, |
| 2715 | trb.control & TRB_CR_BSR(1<<9)); |
| 2716 | } |
| 2717 | break; |
| 2718 | case CR_CONFIGURE_ENDPOINT: |
| 2719 | slotid = xhci_get_slot(xhci, &event, &trb); |
| 2720 | if (slotid) { |
| 2721 | event.ccode = xhci_configure_slot(xhci, slotid, trb.parameter, |
| 2722 | trb.control & TRB_CR_DC(1<<9)); |
| 2723 | } |
| 2724 | break; |
| 2725 | case CR_EVALUATE_CONTEXT: |
| 2726 | slotid = xhci_get_slot(xhci, &event, &trb); |
| 2727 | if (slotid) { |
| 2728 | event.ccode = xhci_evaluate_slot(xhci, slotid, trb.parameter); |
| 2729 | } |
| 2730 | break; |
| 2731 | case CR_STOP_ENDPOINT: |
| 2732 | slotid = xhci_get_slot(xhci, &event, &trb); |
| 2733 | if (slotid) { |
| 2734 | unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT16) |
| 2735 | & TRB_CR_EPID_MASK0x1f; |
| 2736 | event.ccode = xhci_stop_ep(xhci, slotid, epid); |
| 2737 | } |
| 2738 | break; |
| 2739 | case CR_RESET_ENDPOINT: |
| 2740 | slotid = xhci_get_slot(xhci, &event, &trb); |
| 2741 | if (slotid) { |
| 2742 | unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT16) |
| 2743 | & TRB_CR_EPID_MASK0x1f; |
| 2744 | event.ccode = xhci_reset_ep(xhci, slotid, epid); |
| 2745 | } |
| 2746 | break; |
| 2747 | case CR_SET_TR_DEQUEUE: |
| 2748 | slotid = xhci_get_slot(xhci, &event, &trb); |
| 2749 | if (slotid) { |
| 2750 | unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT16) |
| 2751 | & TRB_CR_EPID_MASK0x1f; |
| 2752 | unsigned int streamid = (trb.status >> 16) & 0xffff; |
| 2753 | event.ccode = xhci_set_ep_dequeue(xhci, slotid, |
| 2754 | epid, streamid, |
| 2755 | trb.parameter); |
| 2756 | } |
| 2757 | break; |
| 2758 | case CR_RESET_DEVICE: |
| 2759 | slotid = xhci_get_slot(xhci, &event, &trb); |
| 2760 | if (slotid) { |
| 2761 | event.ccode = xhci_reset_slot(xhci, slotid); |
| 2762 | } |
| 2763 | break; |
| 2764 | case CR_GET_PORT_BANDWIDTH: |
| 2765 | event.ccode = xhci_get_port_bandwidth(xhci, trb.parameter); |
| 2766 | break; |
| 2767 | case CR_VENDOR_VIA_CHALLENGE_RESPONSE: |
| 2768 | xhci_via_challenge(xhci, trb.parameter); |
| 2769 | break; |
| 2770 | case CR_VENDOR_NEC_FIRMWARE_REVISION: |
| 2771 | event.type = 48; /* NEC reply */ |
| 2772 | event.length = 0x3025; |
| 2773 | break; |
| 2774 | case CR_VENDOR_NEC_CHALLENGE_RESPONSE: |
| 2775 | { |
| 2776 | uint32_t chi = trb.parameter >> 32; |
| 2777 | uint32_t clo = trb.parameter; |
| 2778 | uint32_t val = xhci_nec_challenge(chi, clo); |
| 2779 | event.length = val & 0xFFFF; |
| 2780 | event.epid = val >> 16; |
| 2781 | slotid = val >> 24; |
| 2782 | event.type = 48; /* NEC reply */ |
| 2783 | } |
| 2784 | break; |
| 2785 | default: |
| 2786 | trace_usb_xhci_unimplemented("command", type); |
| 2787 | event.ccode = CC_TRB_ERROR; |
| 2788 | break; |
| 2789 | } |
| 2790 | event.slotid = slotid; |
| 2791 | xhci_event(xhci, &event, 0); |
| 2792 | } |
| 2793 | } |
| 2794 | |
| 2795 | static bool_Bool xhci_port_have_device(XHCIPort *port) |
| 2796 | { |
| 2797 | if (!port->uport->dev || !port->uport->dev->attached) { |
| 2798 | return false0; /* no device present */ |
| 2799 | } |
| 2800 | if (!((1 << port->uport->dev->speed) & port->speedmask)) { |
| 2801 | return false0; /* speed mismatch */ |
| 2802 | } |
| 2803 | return true1; |
| 2804 | } |
| 2805 | |
| 2806 | static void xhci_port_notify(XHCIPort *port, uint32_t bits) |
| 2807 | { |
| 2808 | XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS, |
| 2809 | port->portnr << 24 }; |
| 2810 | |
| 2811 | if ((port->portsc & bits) == bits) { |
| 2812 | return; |
| 2813 | } |
| 2814 | trace_usb_xhci_port_notify(port->portnr, bits); |
| 2815 | port->portsc |= bits; |
| 2816 | if (!xhci_running(port->xhci)) { |
| 2817 | return; |
| 2818 | } |
| 2819 | xhci_event(port->xhci, &ev, 0); |
| 2820 | } |
| 2821 | |
| 2822 | static void xhci_port_update(XHCIPort *port, int is_detach) |
| 2823 | { |
| 2824 | uint32_t pls = PLS_RX_DETECT; |
| 2825 | |
| 2826 | port->portsc = PORTSC_PP(1<<9); |
| 2827 | if (!is_detach && xhci_port_have_device(port)) { |
| 2828 | port->portsc |= PORTSC_CCS(1<<0); |
| 2829 | switch (port->uport->dev->speed) { |
| 2830 | case USB_SPEED_LOW0: |
| 2831 | port->portsc |= PORTSC_SPEED_LOW(2<<10); |
| 2832 | pls = PLS_POLLING; |
| 2833 | break; |
| 2834 | case USB_SPEED_FULL1: |
| 2835 | port->portsc |= PORTSC_SPEED_FULL(1<<10); |
| 2836 | pls = PLS_POLLING; |
| 2837 | break; |
| 2838 | case USB_SPEED_HIGH2: |
| 2839 | port->portsc |= PORTSC_SPEED_HIGH(3<<10); |
| 2840 | pls = PLS_POLLING; |
| 2841 | break; |
| 2842 | case USB_SPEED_SUPER3: |
| 2843 | port->portsc |= PORTSC_SPEED_SUPER(4<<10); |
| 2844 | port->portsc |= PORTSC_PED(1<<1); |
| 2845 | pls = PLS_U0; |
| 2846 | break; |
| 2847 | } |
| 2848 | } |
| 2849 | set_field(&port->portsc, pls, PORTSC_PLS)do { uint32_t val = *&port->portsc; val &= ~( 0xf << 5); val |= ((pls) & 0xf) << 5; *&port->portsc = val; } while (0); |
| 2850 | trace_usb_xhci_port_link(port->portnr, pls); |
| 2851 | xhci_port_notify(port, PORTSC_CSC(1<<17)); |
| 2852 | } |
| 2853 | |
| 2854 | static void xhci_port_reset(XHCIPort *port, bool_Bool warm_reset) |
| 2855 | { |
| 2856 | trace_usb_xhci_port_reset(port->portnr); |
| 2857 | |
| 2858 | if (!xhci_port_have_device(port)) { |
| 2859 | return; |
| 2860 | } |
| 2861 | |
| 2862 | usb_device_reset(port->uport->dev); |
| 2863 | |
| 2864 | switch (port->uport->dev->speed) { |
| 2865 | case USB_SPEED_SUPER3: |
| 2866 | if (warm_reset) { |
| 2867 | port->portsc |= PORTSC_WRC(1<<19); |
| 2868 | } |
| 2869 | /* fall through */ |
| 2870 | case USB_SPEED_LOW0: |
| 2871 | case USB_SPEED_FULL1: |
| 2872 | case USB_SPEED_HIGH2: |
| 2873 | set_field(&port->portsc, PLS_U0, PORTSC_PLS)do { uint32_t val = *&port->portsc; val &= ~( 0xf << 5); val |= ((PLS_U0) & 0xf) << 5; *&port->portsc = val; } while (0); |
| 2874 | trace_usb_xhci_port_link(port->portnr, PLS_U0); |
| 2875 | port->portsc |= PORTSC_PED(1<<1); |
| 2876 | break; |
| 2877 | } |
| 2878 | |
| 2879 | port->portsc &= ~PORTSC_PR(1<<4); |
| 2880 | xhci_port_notify(port, PORTSC_PRC(1<<21)); |
| 2881 | } |
| 2882 | |
| 2883 | static void xhci_reset(DeviceState *dev) |
| 2884 | { |
| 2885 | XHCIState *xhci = XHCI(dev)((XHCIState *)object_dynamic_cast_assert(((Object *)((dev))), ("nec-usb-xhci"), "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 2885, __func__)); |
| 2886 | int i; |
| 2887 | |
| 2888 | trace_usb_xhci_reset(); |
| 2889 | if (!(xhci->usbsts & USBSTS_HCH(1<<0))) { |
| 2890 | fprintf(stderrstderr, "xhci: reset while running!\n"); |
| 2891 | } |
| 2892 | |
| 2893 | xhci->usbcmd = 0; |
| 2894 | xhci->usbsts = USBSTS_HCH(1<<0); |
| 2895 | xhci->dnctrl = 0; |
| 2896 | xhci->crcr_low = 0; |
| 2897 | xhci->crcr_high = 0; |
| 2898 | xhci->dcbaap_low = 0; |
| 2899 | xhci->dcbaap_high = 0; |
| 2900 | xhci->config = 0; |
| 2901 | |
| 2902 | for (i = 0; i < xhci->numslots; i++) { |
| 2903 | xhci_disable_slot(xhci, i+1); |
| 2904 | } |
| 2905 | |
| 2906 | for (i = 0; i < xhci->numports; i++) { |
| 2907 | xhci_port_update(xhci->ports + i, 0); |
| 2908 | } |
| 2909 | |
| 2910 | for (i = 0; i < xhci->numintrs; i++) { |
| 2911 | xhci->intr[i].iman = 0; |
| 2912 | xhci->intr[i].imod = 0; |
| 2913 | xhci->intr[i].erstsz = 0; |
| 2914 | xhci->intr[i].erstba_low = 0; |
| 2915 | xhci->intr[i].erstba_high = 0; |
| 2916 | xhci->intr[i].erdp_low = 0; |
| 2917 | xhci->intr[i].erdp_high = 0; |
| 2918 | xhci->intr[i].msix_used = 0; |
| 2919 | |
| 2920 | xhci->intr[i].er_ep_idx = 0; |
| 2921 | xhci->intr[i].er_pcs = 1; |
| 2922 | xhci->intr[i].er_full = 0; |
| 2923 | xhci->intr[i].ev_buffer_put = 0; |
| 2924 | xhci->intr[i].ev_buffer_get = 0; |
| 2925 | } |
| 2926 | |
| 2927 | xhci->mfindex_start = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); |
| 2928 | xhci_mfwrap_update(xhci); |
| 2929 | } |
| 2930 | |
| 2931 | static uint64_t xhci_cap_read(void *ptr, hwaddr reg, unsigned size) |
| 2932 | { |
| 2933 | XHCIState *xhci = ptr; |
| 2934 | uint32_t ret; |
| 2935 | |
| 2936 | switch (reg) { |
| 2937 | case 0x00: /* HCIVERSION, CAPLENGTH */ |
| 2938 | ret = 0x01000000 | LEN_CAP0x40; |
| 2939 | break; |
| 2940 | case 0x04: /* HCSPARAMS 1 */ |
| 2941 | ret = ((xhci->numports_2+xhci->numports_3)<<24) |
| 2942 | | (xhci->numintrs<<8) | xhci->numslots; |
| 2943 | break; |
| 2944 | case 0x08: /* HCSPARAMS 2 */ |
| 2945 | ret = 0x0000000f; |
| 2946 | break; |
| 2947 | case 0x0c: /* HCSPARAMS 3 */ |
| 2948 | ret = 0x00000000; |
| 2949 | break; |
| 2950 | case 0x10: /* HCCPARAMS */ |
| 2951 | if (sizeof(dma_addr_t) == 4) { |
| 2952 | ret = 0x00087000; |
| 2953 | } else { |
| 2954 | ret = 0x00087001; |
| 2955 | } |
| 2956 | break; |
| 2957 | case 0x14: /* DBOFF */ |
| 2958 | ret = OFF_DOORBELL0x2000; |
| 2959 | break; |
| 2960 | case 0x18: /* RTSOFF */ |
| 2961 | ret = OFF_RUNTIME0x1000; |
| 2962 | break; |
| 2963 | |
| 2964 | /* extended capabilities */ |
| 2965 | case 0x20: /* Supported Protocol:00 */ |
| 2966 | ret = 0x02000402; /* USB 2.0 */ |
| 2967 | break; |
| 2968 | case 0x24: /* Supported Protocol:04 */ |
| 2969 | ret = 0x20425355; /* "USB " */ |
| 2970 | break; |
| 2971 | case 0x28: /* Supported Protocol:08 */ |
| 2972 | ret = 0x00000001 | (xhci->numports_2<<8); |
| 2973 | break; |
| 2974 | case 0x2c: /* Supported Protocol:0c */ |
| 2975 | ret = 0x00000000; /* reserved */ |
| 2976 | break; |
| 2977 | case 0x30: /* Supported Protocol:00 */ |
| 2978 | ret = 0x03000002; /* USB 3.0 */ |
| 2979 | break; |
| 2980 | case 0x34: /* Supported Protocol:04 */ |
| 2981 | ret = 0x20425355; /* "USB " */ |
| 2982 | break; |
| 2983 | case 0x38: /* Supported Protocol:08 */ |
| 2984 | ret = 0x00000000 | (xhci->numports_2+1) | (xhci->numports_3<<8); |
| 2985 | break; |
| 2986 | case 0x3c: /* Supported Protocol:0c */ |
| 2987 | ret = 0x00000000; /* reserved */ |
| 2988 | break; |
| 2989 | default: |
| 2990 | trace_usb_xhci_unimplemented("cap read", reg); |
| 2991 | ret = 0; |
| 2992 | } |
| 2993 | |
| 2994 | trace_usb_xhci_cap_read(reg, ret); |
| 2995 | return ret; |
| 2996 | } |
| 2997 | |
| 2998 | static uint64_t xhci_port_read(void *ptr, hwaddr reg, unsigned size) |
| 2999 | { |
| 3000 | XHCIPort *port = ptr; |
| 3001 | uint32_t ret; |
| 3002 | |
| 3003 | switch (reg) { |
| 3004 | case 0x00: /* PORTSC */ |
| 3005 | ret = port->portsc; |
| 3006 | break; |
| 3007 | case 0x04: /* PORTPMSC */ |
| 3008 | case 0x08: /* PORTLI */ |
| 3009 | ret = 0; |
| 3010 | break; |
| 3011 | case 0x0c: /* reserved */ |
| 3012 | default: |
| 3013 | trace_usb_xhci_unimplemented("port read", reg); |
| 3014 | ret = 0; |
| 3015 | } |
| 3016 | |
| 3017 | trace_usb_xhci_port_read(port->portnr, reg, ret); |
| 3018 | return ret; |
| 3019 | } |
| 3020 | |
| 3021 | static void xhci_port_write(void *ptr, hwaddr reg, |
| 3022 | uint64_t val, unsigned size) |
| 3023 | { |
| 3024 | XHCIPort *port = ptr; |
| 3025 | uint32_t portsc, notify; |
| 3026 | |
| 3027 | trace_usb_xhci_port_write(port->portnr, reg, val); |
| 3028 | |
| 3029 | switch (reg) { |
| 3030 | case 0x00: /* PORTSC */ |
| 3031 | /* write-1-to-start bits */ |
| 3032 | if (val & PORTSC_WPR(1<<31)) { |
| 3033 | xhci_port_reset(port, true1); |
| 3034 | break; |
| 3035 | } |
| 3036 | if (val & PORTSC_PR(1<<4)) { |
| 3037 | xhci_port_reset(port, false0); |
| 3038 | break; |
| 3039 | } |
| 3040 | |
| 3041 | portsc = port->portsc; |
| 3042 | notify = 0; |
| 3043 | /* write-1-to-clear bits*/ |
| 3044 | portsc &= ~(val & (PORTSC_CSC(1<<17)|PORTSC_PEC(1<<18)|PORTSC_WRC(1<<19)|PORTSC_OCC(1<<20)| |
| 3045 | PORTSC_PRC(1<<21)|PORTSC_PLC(1<<22)|PORTSC_CEC(1<<23))); |
| 3046 | if (val & PORTSC_LWS(1<<16)) { |
| 3047 | /* overwrite PLS only when LWS=1 */ |
| 3048 | uint32_t old_pls = get_field(port->portsc, PORTSC_PLS)(((port->portsc) >> 5) & 0xf); |
| 3049 | uint32_t new_pls = get_field(val, PORTSC_PLS)(((val) >> 5) & 0xf); |
| 3050 | switch (new_pls) { |
| 3051 | case PLS_U0: |
| 3052 | if (old_pls != PLS_U0) { |
| 3053 | set_field(&portsc, new_pls, PORTSC_PLS)do { uint32_t val = *&portsc; val &= ~( 0xf << 5 ); val |= ((new_pls) & 0xf) << 5; *&portsc = val ; } while (0); |
| 3054 | trace_usb_xhci_port_link(port->portnr, new_pls); |
| 3055 | notify = PORTSC_PLC(1<<22); |
| 3056 | } |
| 3057 | break; |
| 3058 | case PLS_U3: |
| 3059 | if (old_pls < PLS_U3) { |
| 3060 | set_field(&portsc, new_pls, PORTSC_PLS)do { uint32_t val = *&portsc; val &= ~( 0xf << 5 ); val |= ((new_pls) & 0xf) << 5; *&portsc = val ; } while (0); |
| 3061 | trace_usb_xhci_port_link(port->portnr, new_pls); |
| 3062 | } |
| 3063 | break; |
| 3064 | case PLS_RESUME: |
| 3065 | /* windows does this for some reason, don't spam stderr */ |
| 3066 | break; |
| 3067 | default: |
| 3068 | fprintf(stderrstderr, "%s: ignore pls write (old %d, new %d)\n", |
| 3069 | __func__, old_pls, new_pls); |
| 3070 | break; |
| 3071 | } |
| 3072 | } |
| 3073 | /* read/write bits */ |
| 3074 | portsc &= ~(PORTSC_PP(1<<9)|PORTSC_WCE(1<<25)|PORTSC_WDE(1<<26)|PORTSC_WOE(1<<27)); |
| 3075 | portsc |= (val & (PORTSC_PP(1<<9)|PORTSC_WCE(1<<25)|PORTSC_WDE(1<<26)|PORTSC_WOE(1<<27))); |
| 3076 | port->portsc = portsc; |
| 3077 | if (notify) { |
| 3078 | xhci_port_notify(port, notify); |
| 3079 | } |
| 3080 | break; |
| 3081 | case 0x04: /* PORTPMSC */ |
| 3082 | case 0x08: /* PORTLI */ |
| 3083 | default: |
| 3084 | trace_usb_xhci_unimplemented("port write", reg); |
| 3085 | } |
| 3086 | } |
| 3087 | |
| 3088 | static uint64_t xhci_oper_read(void *ptr, hwaddr reg, unsigned size) |
| 3089 | { |
| 3090 | XHCIState *xhci = ptr; |
| 3091 | uint32_t ret; |
| 3092 | |
| 3093 | switch (reg) { |
| 3094 | case 0x00: /* USBCMD */ |
| 3095 | ret = xhci->usbcmd; |
| 3096 | break; |
| 3097 | case 0x04: /* USBSTS */ |
| 3098 | ret = xhci->usbsts; |
| 3099 | break; |
| 3100 | case 0x08: /* PAGESIZE */ |
| 3101 | ret = 1; /* 4KiB */ |
| 3102 | break; |
| 3103 | case 0x14: /* DNCTRL */ |
| 3104 | ret = xhci->dnctrl; |
| 3105 | break; |
| 3106 | case 0x18: /* CRCR low */ |
| 3107 | ret = xhci->crcr_low & ~0xe; |
| 3108 | break; |
| 3109 | case 0x1c: /* CRCR high */ |
| 3110 | ret = xhci->crcr_high; |
| 3111 | break; |
| 3112 | case 0x30: /* DCBAAP low */ |
| 3113 | ret = xhci->dcbaap_low; |
| 3114 | break; |
| 3115 | case 0x34: /* DCBAAP high */ |
| 3116 | ret = xhci->dcbaap_high; |
| 3117 | break; |
| 3118 | case 0x38: /* CONFIG */ |
| 3119 | ret = xhci->config; |
| 3120 | break; |
| 3121 | default: |
| 3122 | trace_usb_xhci_unimplemented("oper read", reg); |
| 3123 | ret = 0; |
| 3124 | } |
| 3125 | |
| 3126 | trace_usb_xhci_oper_read(reg, ret); |
| 3127 | return ret; |
| 3128 | } |
| 3129 | |
| 3130 | static void xhci_oper_write(void *ptr, hwaddr reg, |
| 3131 | uint64_t val, unsigned size) |
| 3132 | { |
| 3133 | XHCIState *xhci = ptr; |
| 3134 | DeviceState *d = DEVICE(ptr)((DeviceState *)object_dynamic_cast_assert(((Object *)((ptr)) ), ("device"), "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 3134, __func__)); |
| 3135 | |
| 3136 | trace_usb_xhci_oper_write(reg, val); |
| 3137 | |
| 3138 | switch (reg) { |
| 3139 | case 0x00: /* USBCMD */ |
| 3140 | if ((val & USBCMD_RS(1<<0)) && !(xhci->usbcmd & USBCMD_RS(1<<0))) { |
| 3141 | xhci_run(xhci); |
| 3142 | } else if (!(val & USBCMD_RS(1<<0)) && (xhci->usbcmd & USBCMD_RS(1<<0))) { |
| 3143 | xhci_stop(xhci); |
| 3144 | } |
| 3145 | if (val & USBCMD_CSS(1<<8)) { |
| 3146 | /* save state */ |
| 3147 | xhci->usbsts &= ~USBSTS_SRE(1<<10); |
| 3148 | } |
| 3149 | if (val & USBCMD_CRS(1<<9)) { |
| 3150 | /* restore state */ |
| 3151 | xhci->usbsts |= USBSTS_SRE(1<<10); |
| 3152 | } |
| 3153 | xhci->usbcmd = val & 0xc0f; |
| 3154 | xhci_mfwrap_update(xhci); |
| 3155 | if (val & USBCMD_HCRST(1<<1)) { |
| 3156 | xhci_reset(d); |
| 3157 | } |
| 3158 | xhci_intx_update(xhci); |
| 3159 | break; |
| 3160 | |
| 3161 | case 0x04: /* USBSTS */ |
| 3162 | /* these bits are write-1-to-clear */ |
| 3163 | xhci->usbsts &= ~(val & (USBSTS_HSE(1<<2)|USBSTS_EINT(1<<3)|USBSTS_PCD(1<<4)|USBSTS_SRE(1<<10))); |
| 3164 | xhci_intx_update(xhci); |
| 3165 | break; |
| 3166 | |
| 3167 | case 0x14: /* DNCTRL */ |
| 3168 | xhci->dnctrl = val & 0xffff; |
| 3169 | break; |
| 3170 | case 0x18: /* CRCR low */ |
| 3171 | xhci->crcr_low = (val & 0xffffffcf) | (xhci->crcr_low & CRCR_CRR(1<<3)); |
| 3172 | break; |
| 3173 | case 0x1c: /* CRCR high */ |
| 3174 | xhci->crcr_high = val; |
| 3175 | if (xhci->crcr_low & (CRCR_CA(1<<2)|CRCR_CS(1<<1)) && (xhci->crcr_low & CRCR_CRR(1<<3))) { |
| 3176 | XHCIEvent event = {ER_COMMAND_COMPLETE, CC_COMMAND_RING_STOPPED}; |
| 3177 | xhci->crcr_low &= ~CRCR_CRR(1<<3); |
| 3178 | xhci_event(xhci, &event, 0); |
| 3179 | DPRINTF("xhci: command ring stopped (CRCR=%08x)\n", xhci->crcr_low)do {} while (0); |
| 3180 | } else { |
| 3181 | dma_addr_t base = xhci_addr64(xhci->crcr_low & ~0x3f, val); |
| 3182 | xhci_ring_init(xhci, &xhci->cmd_ring, base); |
| 3183 | } |
| 3184 | xhci->crcr_low &= ~(CRCR_CA(1<<2) | CRCR_CS(1<<1)); |
| 3185 | break; |
| 3186 | case 0x30: /* DCBAAP low */ |
| 3187 | xhci->dcbaap_low = val & 0xffffffc0; |
| 3188 | break; |
| 3189 | case 0x34: /* DCBAAP high */ |
| 3190 | xhci->dcbaap_high = val; |
| 3191 | break; |
| 3192 | case 0x38: /* CONFIG */ |
| 3193 | xhci->config = val & 0xff; |
| 3194 | break; |
| 3195 | default: |
| 3196 | trace_usb_xhci_unimplemented("oper write", reg); |
| 3197 | } |
| 3198 | } |
| 3199 | |
| 3200 | static uint64_t xhci_runtime_read(void *ptr, hwaddr reg, |
| 3201 | unsigned size) |
| 3202 | { |
| 3203 | XHCIState *xhci = ptr; |
| 3204 | uint32_t ret = 0; |
| 3205 | |
| 3206 | if (reg < 0x20) { |
| 3207 | switch (reg) { |
| 3208 | case 0x00: /* MFINDEX */ |
| 3209 | ret = xhci_mfindex_get(xhci) & 0x3fff; |
| 3210 | break; |
| 3211 | default: |
| 3212 | trace_usb_xhci_unimplemented("runtime read", reg); |
| 3213 | break; |
| 3214 | } |
| 3215 | } else { |
| 3216 | int v = (reg - 0x20) / 0x20; |
| 3217 | XHCIInterrupter *intr = &xhci->intr[v]; |
| 3218 | switch (reg & 0x1f) { |
| 3219 | case 0x00: /* IMAN */ |
| 3220 | ret = intr->iman; |
| 3221 | break; |
| 3222 | case 0x04: /* IMOD */ |
| 3223 | ret = intr->imod; |
| 3224 | break; |
| 3225 | case 0x08: /* ERSTSZ */ |
| 3226 | ret = intr->erstsz; |
| 3227 | break; |
| 3228 | case 0x10: /* ERSTBA low */ |
| 3229 | ret = intr->erstba_low; |
| 3230 | break; |
| 3231 | case 0x14: /* ERSTBA high */ |
| 3232 | ret = intr->erstba_high; |
| 3233 | break; |
| 3234 | case 0x18: /* ERDP low */ |
| 3235 | ret = intr->erdp_low; |
| 3236 | break; |
| 3237 | case 0x1c: /* ERDP high */ |
| 3238 | ret = intr->erdp_high; |
| 3239 | break; |
| 3240 | } |
| 3241 | } |
| 3242 | |
| 3243 | trace_usb_xhci_runtime_read(reg, ret); |
| 3244 | return ret; |
| 3245 | } |
| 3246 | |
| 3247 | static void xhci_runtime_write(void *ptr, hwaddr reg, |
| 3248 | uint64_t val, unsigned size) |
| 3249 | { |
| 3250 | XHCIState *xhci = ptr; |
| 3251 | int v = (reg - 0x20) / 0x20; |
| 3252 | XHCIInterrupter *intr = &xhci->intr[v]; |
| 3253 | trace_usb_xhci_runtime_write(reg, val); |
| 3254 | |
| 3255 | if (reg < 0x20) { |
| 3256 | trace_usb_xhci_unimplemented("runtime write", reg); |
| 3257 | return; |
| 3258 | } |
| 3259 | |
| 3260 | switch (reg & 0x1f) { |
| 3261 | case 0x00: /* IMAN */ |
| 3262 | if (val & IMAN_IP(1<<0)) { |
| 3263 | intr->iman &= ~IMAN_IP(1<<0); |
| 3264 | } |
| 3265 | intr->iman &= ~IMAN_IE(1<<1); |
| 3266 | intr->iman |= val & IMAN_IE(1<<1); |
| 3267 | if (v == 0) { |
| 3268 | xhci_intx_update(xhci); |
| 3269 | } |
| 3270 | xhci_msix_update(xhci, v); |
| 3271 | break; |
| 3272 | case 0x04: /* IMOD */ |
| 3273 | intr->imod = val; |
| 3274 | break; |
| 3275 | case 0x08: /* ERSTSZ */ |
| 3276 | intr->erstsz = val & 0xffff; |
| 3277 | break; |
| 3278 | case 0x10: /* ERSTBA low */ |
| 3279 | /* XXX NEC driver bug: it doesn't align this to 64 bytes |
| 3280 | intr->erstba_low = val & 0xffffffc0; */ |
| 3281 | intr->erstba_low = val & 0xfffffff0; |
| 3282 | break; |
| 3283 | case 0x14: /* ERSTBA high */ |
| 3284 | intr->erstba_high = val; |
| 3285 | xhci_er_reset(xhci, v); |
| 3286 | break; |
| 3287 | case 0x18: /* ERDP low */ |
| 3288 | if (val & ERDP_EHB(1<<3)) { |
| 3289 | intr->erdp_low &= ~ERDP_EHB(1<<3); |
| 3290 | } |
| 3291 | intr->erdp_low = (val & ~ERDP_EHB(1<<3)) | (intr->erdp_low & ERDP_EHB(1<<3)); |
| 3292 | break; |
| 3293 | case 0x1c: /* ERDP high */ |
| 3294 | intr->erdp_high = val; |
| 3295 | xhci_events_update(xhci, v); |
| 3296 | break; |
| 3297 | default: |
| 3298 | trace_usb_xhci_unimplemented("oper write", reg); |
| 3299 | } |
| 3300 | } |
| 3301 | |
| 3302 | static uint64_t xhci_doorbell_read(void *ptr, hwaddr reg, |
| 3303 | unsigned size) |
| 3304 | { |
| 3305 | /* doorbells always read as 0 */ |
| 3306 | trace_usb_xhci_doorbell_read(reg, 0); |
| 3307 | return 0; |
| 3308 | } |
| 3309 | |
| 3310 | static void xhci_doorbell_write(void *ptr, hwaddr reg, |
| 3311 | uint64_t val, unsigned size) |
| 3312 | { |
| 3313 | XHCIState *xhci = ptr; |
| 3314 | unsigned int epid, streamid; |
| 3315 | |
| 3316 | trace_usb_xhci_doorbell_write(reg, val); |
| 3317 | |
| 3318 | if (!xhci_running(xhci)) { |
| 3319 | fprintf(stderrstderr, "xhci: wrote doorbell while xHC stopped or paused\n"); |
| 3320 | return; |
| 3321 | } |
| 3322 | |
| 3323 | reg >>= 2; |
| 3324 | |
| 3325 | if (reg == 0) { |
| 3326 | if (val == 0) { |
| 3327 | xhci_process_commands(xhci); |
| 3328 | } else { |
| 3329 | fprintf(stderrstderr, "xhci: bad doorbell 0 write: 0x%x\n", |
| 3330 | (uint32_t)val); |
| 3331 | } |
| 3332 | } else { |
| 3333 | epid = val & 0xff; |
| 3334 | streamid = (val >> 16) & 0xffff; |
| 3335 | if (reg > xhci->numslots) { |
| 3336 | fprintf(stderrstderr, "xhci: bad doorbell %d\n", (int)reg); |
| 3337 | } else if (epid > 31) { |
| 3338 | fprintf(stderrstderr, "xhci: bad doorbell %d write: 0x%x\n", |
| 3339 | (int)reg, (uint32_t)val); |
| 3340 | } else { |
| 3341 | xhci_kick_ep(xhci, reg, epid, streamid); |
| 3342 | } |
| 3343 | } |
| 3344 | } |
| 3345 | |
| 3346 | static void xhci_cap_write(void *opaque, hwaddr addr, uint64_t val, |
| 3347 | unsigned width) |
| 3348 | { |
| 3349 | /* nothing */ |
| 3350 | } |
| 3351 | |
| 3352 | static const MemoryRegionOps xhci_cap_ops = { |
| 3353 | .read = xhci_cap_read, |
| 3354 | .write = xhci_cap_write, |
| 3355 | .valid.min_access_size = 1, |
| 3356 | .valid.max_access_size = 4, |
| 3357 | .impl.min_access_size = 4, |
| 3358 | .impl.max_access_size = 4, |
| 3359 | .endianness = DEVICE_LITTLE_ENDIAN, |
| 3360 | }; |
| 3361 | |
| 3362 | static const MemoryRegionOps xhci_oper_ops = { |
| 3363 | .read = xhci_oper_read, |
| 3364 | .write = xhci_oper_write, |
| 3365 | .valid.min_access_size = 4, |
| 3366 | .valid.max_access_size = 4, |
| 3367 | .endianness = DEVICE_LITTLE_ENDIAN, |
| 3368 | }; |
| 3369 | |
| 3370 | static const MemoryRegionOps xhci_port_ops = { |
| 3371 | .read = xhci_port_read, |
| 3372 | .write = xhci_port_write, |
| 3373 | .valid.min_access_size = 4, |
| 3374 | .valid.max_access_size = 4, |
| 3375 | .endianness = DEVICE_LITTLE_ENDIAN, |
| 3376 | }; |
| 3377 | |
| 3378 | static const MemoryRegionOps xhci_runtime_ops = { |
| 3379 | .read = xhci_runtime_read, |
| 3380 | .write = xhci_runtime_write, |
| 3381 | .valid.min_access_size = 4, |
| 3382 | .valid.max_access_size = 4, |
| 3383 | .endianness = DEVICE_LITTLE_ENDIAN, |
| 3384 | }; |
| 3385 | |
| 3386 | static const MemoryRegionOps xhci_doorbell_ops = { |
| 3387 | .read = xhci_doorbell_read, |
| 3388 | .write = xhci_doorbell_write, |
| 3389 | .valid.min_access_size = 4, |
| 3390 | .valid.max_access_size = 4, |
| 3391 | .endianness = DEVICE_LITTLE_ENDIAN, |
| 3392 | }; |
| 3393 | |
| 3394 | static void xhci_attach(USBPort *usbport) |
| 3395 | { |
| 3396 | XHCIState *xhci = usbport->opaque; |
| 3397 | XHCIPort *port = xhci_lookup_port(xhci, usbport); |
| 3398 | |
| 3399 | xhci_port_update(port, 0); |
| 3400 | } |
| 3401 | |
| 3402 | static void xhci_detach(USBPort *usbport) |
| 3403 | { |
| 3404 | XHCIState *xhci = usbport->opaque; |
| 3405 | XHCIPort *port = xhci_lookup_port(xhci, usbport); |
| 3406 | |
| 3407 | xhci_detach_slot(xhci, usbport); |
| 3408 | xhci_port_update(port, 1); |
| 3409 | } |
| 3410 | |
| 3411 | static void xhci_wakeup(USBPort *usbport) |
| 3412 | { |
| 3413 | XHCIState *xhci = usbport->opaque; |
| 3414 | XHCIPort *port = xhci_lookup_port(xhci, usbport); |
| 3415 | |
| 3416 | if (get_field(port->portsc, PORTSC_PLS)(((port->portsc) >> 5) & 0xf) != PLS_U3) { |
| 3417 | return; |
| 3418 | } |
| 3419 | set_field(&port->portsc, PLS_RESUME, PORTSC_PLS)do { uint32_t val = *&port->portsc; val &= ~( 0xf << 5); val |= ((PLS_RESUME) & 0xf) << 5; *&port-> portsc = val; } while (0); |
| 3420 | xhci_port_notify(port, PORTSC_PLC(1<<22)); |
| 3421 | } |
| 3422 | |
| 3423 | static void xhci_complete(USBPort *port, USBPacket *packet) |
| 3424 | { |
| 3425 | XHCITransfer *xfer = container_of(packet, XHCITransfer, packet)({ const typeof(((XHCITransfer *) 0)->packet) *__mptr = (packet ); (XHCITransfer *) ((char *) __mptr - __builtin_offsetof(XHCITransfer , packet));}); |
| 3426 | |
| 3427 | if (packet->status == USB_RET_REMOVE_FROM_QUEUE(-8)) { |
| 3428 | xhci_ep_nuke_one_xfer(xfer, 0); |
| 3429 | return; |
| 3430 | } |
| 3431 | xhci_complete_packet(xfer); |
| 3432 | xhci_kick_ep(xfer->xhci, xfer->slotid, xfer->epid, xfer->streamid); |
| 3433 | } |
| 3434 | |
| 3435 | static void xhci_child_detach(USBPort *uport, USBDevice *child) |
| 3436 | { |
| 3437 | USBBus *bus = usb_bus_from_device(child); |
| 3438 | XHCIState *xhci = container_of(bus, XHCIState, bus)({ const typeof(((XHCIState *) 0)->bus) *__mptr = (bus); ( XHCIState *) ((char *) __mptr - __builtin_offsetof(XHCIState, bus));}); |
| 3439 | |
| 3440 | xhci_detach_slot(xhci, uport); |
| 3441 | } |
| 3442 | |
| 3443 | static USBPortOps xhci_uport_ops = { |
| 3444 | .attach = xhci_attach, |
| 3445 | .detach = xhci_detach, |
| 3446 | .wakeup = xhci_wakeup, |
| 3447 | .complete = xhci_complete, |
| 3448 | .child_detach = xhci_child_detach, |
| 3449 | }; |
| 3450 | |
| 3451 | static int xhci_find_epid(USBEndpoint *ep) |
| 3452 | { |
| 3453 | if (ep->nr == 0) { |
| 3454 | return 1; |
| 3455 | } |
| 3456 | if (ep->pid == USB_TOKEN_IN0x69) { |
| 3457 | return ep->nr * 2 + 1; |
| 3458 | } else { |
| 3459 | return ep->nr * 2; |
| 3460 | } |
| 3461 | } |
| 3462 | |
| 3463 | static USBEndpoint *xhci_epid_to_usbep(XHCIState *xhci, |
| 3464 | unsigned int slotid, unsigned int epid) |
| 3465 | { |
| 3466 | assert(slotid >= 1 && slotid <= xhci->numslots)((slotid >= 1 && slotid <= xhci->numslots) ? (void) (0) : __assert_fail ("slotid >= 1 && slotid <= xhci->numslots" , "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c", 3466 , __PRETTY_FUNCTION__)); |
| 3467 | |
| 3468 | if (!xhci->slots[slotid - 1].uport) { |
| 3469 | return NULL((void*)0); |
| 3470 | } |
| 3471 | |
| 3472 | return usb_ep_get(xhci->slots[slotid - 1].uport->dev, |
| 3473 | (epid & 1) ? USB_TOKEN_IN0x69 : USB_TOKEN_OUT0xe1, epid >> 1); |
| 3474 | } |
| 3475 | |
| 3476 | static void xhci_wakeup_endpoint(USBBus *bus, USBEndpoint *ep, |
| 3477 | unsigned int stream) |
| 3478 | { |
| 3479 | XHCIState *xhci = container_of(bus, XHCIState, bus)({ const typeof(((XHCIState *) 0)->bus) *__mptr = (bus); ( XHCIState *) ((char *) __mptr - __builtin_offsetof(XHCIState, bus));}); |
| 3480 | int slotid; |
| 3481 | |
| 3482 | DPRINTF("%s\n", __func__)do {} while (0); |
| 3483 | slotid = ep->dev->addr; |
| 3484 | if (slotid == 0 || !xhci->slots[slotid-1].enabled) { |
| 3485 | DPRINTF("%s: oops, no slot for dev %d\n", __func__, ep->dev->addr)do {} while (0); |
| 3486 | return; |
| 3487 | } |
| 3488 | xhci_kick_ep(xhci, slotid, xhci_find_epid(ep), stream); |
| 3489 | } |
| 3490 | |
| 3491 | static USBBusOps xhci_bus_ops = { |
| 3492 | .wakeup_endpoint = xhci_wakeup_endpoint, |
| 3493 | }; |
| 3494 | |
| 3495 | static void usb_xhci_init(XHCIState *xhci) |
| 3496 | { |
| 3497 | DeviceState *dev = DEVICE(xhci)((DeviceState *)object_dynamic_cast_assert(((Object *)((xhci) )), ("device"), "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 3497, __func__)); |
| 3498 | XHCIPort *port; |
| 3499 | int i, usbports, speedmask; |
| 3500 | |
| 3501 | xhci->usbsts = USBSTS_HCH(1<<0); |
| 3502 | |
| 3503 | if (xhci->numports_2 > MAXPORTS_215) { |
| 3504 | xhci->numports_2 = MAXPORTS_215; |
| 3505 | } |
| 3506 | if (xhci->numports_3 > MAXPORTS_315) { |
| 3507 | xhci->numports_3 = MAXPORTS_315; |
| 3508 | } |
| 3509 | usbports = MAX(xhci->numports_2, xhci->numports_3)(((xhci->numports_2) > (xhci->numports_3)) ? (xhci-> numports_2) : (xhci->numports_3)); |
| 3510 | xhci->numports = xhci->numports_2 + xhci->numports_3; |
| 3511 | |
| 3512 | usb_bus_new(&xhci->bus, sizeof(xhci->bus), &xhci_bus_ops, dev); |
| 3513 | |
| 3514 | for (i = 0; i < usbports; i++) { |
| 3515 | speedmask = 0; |
| 3516 | if (i < xhci->numports_2) { |
| 3517 | port = &xhci->ports[i]; |
| 3518 | port->portnr = i + 1; |
| 3519 | port->uport = &xhci->uports[i]; |
| 3520 | port->speedmask = |
| 3521 | USB_SPEED_MASK_LOW(1 << 0) | |
| 3522 | USB_SPEED_MASK_FULL(1 << 1) | |
| 3523 | USB_SPEED_MASK_HIGH(1 << 2); |
| 3524 | snprintf(port->name, sizeof(port->name), "usb2 port #%d", i+1); |
| 3525 | speedmask |= port->speedmask; |
| 3526 | } |
| 3527 | if (i < xhci->numports_3) { |
| 3528 | port = &xhci->ports[i + xhci->numports_2]; |
| 3529 | port->portnr = i + 1 + xhci->numports_2; |
| 3530 | port->uport = &xhci->uports[i]; |
| 3531 | port->speedmask = USB_SPEED_MASK_SUPER(1 << 3); |
| 3532 | snprintf(port->name, sizeof(port->name), "usb3 port #%d", i+1); |
| 3533 | speedmask |= port->speedmask; |
| 3534 | } |
| 3535 | usb_register_port(&xhci->bus, &xhci->uports[i], xhci, i, |
| 3536 | &xhci_uport_ops, speedmask); |
| 3537 | } |
| 3538 | } |
| 3539 | |
| 3540 | static int usb_xhci_initfn(struct PCIDevice *dev) |
| 3541 | { |
| 3542 | int i, ret; |
| 3543 | |
| 3544 | XHCIState *xhci = XHCI(dev)((XHCIState *)object_dynamic_cast_assert(((Object *)((dev))), ("nec-usb-xhci"), "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 3544, __func__)); |
| 3545 | |
| 3546 | dev->config[PCI_CLASS_PROG0x09] = 0x30; /* xHCI */ |
| 3547 | dev->config[PCI_INTERRUPT_PIN0x3d] = 0x01; /* interrupt pin 1 */ |
| 3548 | dev->config[PCI_CACHE_LINE_SIZE0x0c] = 0x10; |
| 3549 | dev->config[0x60] = 0x30; /* release number */ |
| 3550 | |
| 3551 | usb_xhci_init(xhci); |
| 3552 | |
| 3553 | if (xhci->numintrs > MAXINTRS16) { |
| 3554 | xhci->numintrs = MAXINTRS16; |
| 3555 | } |
| 3556 | while (xhci->numintrs & (xhci->numintrs - 1)) { /* ! power of 2 */ |
| 3557 | xhci->numintrs++; |
| 3558 | } |
| 3559 | if (xhci->numintrs < 1) { |
| 3560 | xhci->numintrs = 1; |
| 3561 | } |
| 3562 | if (xhci->numslots > MAXSLOTS64) { |
| 3563 | xhci->numslots = MAXSLOTS64; |
| 3564 | } |
| 3565 | if (xhci->numslots < 1) { |
| 3566 | xhci->numslots = 1; |
| 3567 | } |
| 3568 | |
| 3569 | xhci->mfwrap_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, xhci_mfwrap_timer, xhci); |
| 3570 | |
| 3571 | memory_region_init(&xhci->mem, OBJECT(xhci)((Object *)(xhci)), "xhci", LEN_REGS0x4000); |
| 3572 | memory_region_init_io(&xhci->mem_cap, OBJECT(xhci)((Object *)(xhci)), &xhci_cap_ops, xhci, |
| 3573 | "capabilities", LEN_CAP0x40); |
| 3574 | memory_region_init_io(&xhci->mem_oper, OBJECT(xhci)((Object *)(xhci)), &xhci_oper_ops, xhci, |
| 3575 | "operational", 0x400); |
| 3576 | memory_region_init_io(&xhci->mem_runtime, OBJECT(xhci)((Object *)(xhci)), &xhci_runtime_ops, xhci, |
| 3577 | "runtime", LEN_RUNTIME((16 + 1) * 0x20)); |
| 3578 | memory_region_init_io(&xhci->mem_doorbell, OBJECT(xhci)((Object *)(xhci)), &xhci_doorbell_ops, xhci, |
| 3579 | "doorbell", LEN_DOORBELL((64 + 1) * 0x20)); |
| 3580 | |
| 3581 | memory_region_add_subregion(&xhci->mem, 0, &xhci->mem_cap); |
| 3582 | memory_region_add_subregion(&xhci->mem, OFF_OPER0x40, &xhci->mem_oper); |
| 3583 | memory_region_add_subregion(&xhci->mem, OFF_RUNTIME0x1000, &xhci->mem_runtime); |
| 3584 | memory_region_add_subregion(&xhci->mem, OFF_DOORBELL0x2000, &xhci->mem_doorbell); |
| 3585 | |
| 3586 | for (i = 0; i < xhci->numports; i++) { |
| 3587 | XHCIPort *port = &xhci->ports[i]; |
| 3588 | uint32_t offset = OFF_OPER0x40 + 0x400 + 0x10 * i; |
| 3589 | port->xhci = xhci; |
| 3590 | memory_region_init_io(&port->mem, OBJECT(xhci)((Object *)(xhci)), &xhci_port_ops, port, |
| 3591 | port->name, 0x10); |
| 3592 | memory_region_add_subregion(&xhci->mem, offset, &port->mem); |
| 3593 | } |
| 3594 | |
| 3595 | pci_register_bar(dev, 0, |
| 3596 | PCI_BASE_ADDRESS_SPACE_MEMORY0x00|PCI_BASE_ADDRESS_MEM_TYPE_640x04, |
| 3597 | &xhci->mem); |
| 3598 | |
| 3599 | ret = pcie_endpoint_cap_init(dev, 0xa0); |
| 3600 | assert(ret >= 0)((ret >= 0) ? (void) (0) : __assert_fail ("ret >= 0", "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 3600, __PRETTY_FUNCTION__)); |
| 3601 | |
| 3602 | if (xhci->flags & (1 << XHCI_FLAG_USE_MSI)) { |
| 3603 | msi_init(dev, 0x70, xhci->numintrs, true1, false0); |
| 3604 | } |
| 3605 | if (xhci->flags & (1 << XHCI_FLAG_USE_MSI_X)) { |
| 3606 | msix_init(dev, xhci->numintrs, |
| 3607 | &xhci->mem, 0, OFF_MSIX_TABLE0x3000, |
| 3608 | &xhci->mem, 0, OFF_MSIX_PBA0x3800, |
| 3609 | 0x90); |
| 3610 | } |
| 3611 | |
| 3612 | return 0; |
| 3613 | } |
| 3614 | |
| 3615 | static int usb_xhci_post_load(void *opaque, int version_id) |
| 3616 | { |
| 3617 | XHCIState *xhci = opaque; |
| 3618 | PCIDevice *pci_dev = PCI_DEVICE(xhci)((PCIDevice *)object_dynamic_cast_assert(((Object *)((xhci))) , ("pci-device"), "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 3618, __func__)); |
| 3619 | XHCISlot *slot; |
| 3620 | XHCIEPContext *epctx; |
| 3621 | dma_addr_t dcbaap, pctx; |
| 3622 | uint32_t slot_ctx[4]; |
| 3623 | uint32_t ep_ctx[5]; |
| 3624 | int slotid, epid, state, intr; |
| 3625 | |
| 3626 | dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high); |
| 3627 | |
| 3628 | for (slotid = 1; slotid <= xhci->numslots; slotid++) { |
| 3629 | slot = &xhci->slots[slotid-1]; |
| 3630 | if (!slot->addressed) { |
| 3631 | continue; |
| 3632 | } |
| 3633 | slot->ctx = |
| 3634 | xhci_mask64(ldq_le_pci_dma(pci_dev, dcbaap + 8 * slotid)); |
| 3635 | xhci_dma_read_u32s(xhci, slot->ctx, slot_ctx, sizeof(slot_ctx)); |
| 3636 | slot->uport = xhci_lookup_uport(xhci, slot_ctx); |
| 3637 | assert(slot->uport && slot->uport->dev)((slot->uport && slot->uport->dev) ? (void) ( 0) : __assert_fail ("slot->uport && slot->uport->dev" , "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c", 3637 , __PRETTY_FUNCTION__)); |
| 3638 | |
| 3639 | for (epid = 1; epid <= 32; epid++) { |
| 3640 | pctx = slot->ctx + 32 * epid; |
| 3641 | xhci_dma_read_u32s(xhci, pctx, ep_ctx, sizeof(ep_ctx)); |
| 3642 | state = ep_ctx[0] & EP_STATE_MASK0x7; |
| 3643 | if (state == EP_DISABLED(0<<0)) { |
| 3644 | continue; |
| 3645 | } |
| 3646 | epctx = xhci_alloc_epctx(xhci, slotid, epid); |
| 3647 | slot->eps[epid-1] = epctx; |
| 3648 | xhci_init_epctx(epctx, pctx, ep_ctx); |
| 3649 | epctx->state = state; |
| 3650 | if (state == EP_RUNNING(1<<0)) { |
| 3651 | /* kick endpoint after vmload is finished */ |
| 3652 | timer_mod(epctx->kick_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)); |
| 3653 | } |
| 3654 | } |
| 3655 | } |
| 3656 | |
| 3657 | for (intr = 0; intr < xhci->numintrs; intr++) { |
| 3658 | if (xhci->intr[intr].msix_used) { |
| 3659 | msix_vector_use(pci_dev, intr); |
| 3660 | } else { |
| 3661 | msix_vector_unuse(pci_dev, intr); |
| 3662 | } |
| 3663 | } |
| 3664 | |
| 3665 | return 0; |
| 3666 | } |
| 3667 | |
| 3668 | static const VMStateDescription vmstate_xhci_ring = { |
| 3669 | .name = "xhci-ring", |
| 3670 | .version_id = 1, |
| 3671 | .fields = (VMStateField[]) { |
| 3672 | VMSTATE_UINT64(dequeue, XHCIRing){ .name = ("dequeue"), .version_id = (0), .field_exists = ((( void*)0)), .size = sizeof(uint64_t), .info = &(vmstate_info_uint64 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIRing , dequeue) + ((uint64_t*)0 - (typeof(((XHCIRing *)0)->dequeue )*)0)), }, |
| 3673 | VMSTATE_BOOL(ccs, XHCIRing){ .name = ("ccs"), .version_id = (0), .field_exists = (((void *)0)), .size = sizeof(_Bool), .info = &(vmstate_info_bool ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIRing , ccs) + ((_Bool*)0 - (typeof(((XHCIRing *)0)->ccs)*)0)), }, |
| 3674 | VMSTATE_END_OF_LIST(){} |
| 3675 | } |
| 3676 | }; |
| 3677 | |
| 3678 | static const VMStateDescription vmstate_xhci_port = { |
| 3679 | .name = "xhci-port", |
| 3680 | .version_id = 1, |
| 3681 | .fields = (VMStateField[]) { |
| 3682 | VMSTATE_UINT32(portsc, XHCIPort){ .name = ("portsc"), .version_id = (0), .field_exists = (((void *)0)), .size = sizeof(uint32_t), .info = &(vmstate_info_uint32 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIPort , portsc) + ((uint32_t*)0 - (typeof(((XHCIPort *)0)->portsc )*)0)), }, |
| 3683 | VMSTATE_END_OF_LIST(){} |
| 3684 | } |
| 3685 | }; |
| 3686 | |
| 3687 | static const VMStateDescription vmstate_xhci_slot = { |
| 3688 | .name = "xhci-slot", |
| 3689 | .version_id = 1, |
| 3690 | .fields = (VMStateField[]) { |
| 3691 | VMSTATE_BOOL(enabled, XHCISlot){ .name = ("enabled"), .version_id = (0), .field_exists = ((( void*)0)), .size = sizeof(_Bool), .info = &(vmstate_info_bool ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCISlot , enabled) + ((_Bool*)0 - (typeof(((XHCISlot *)0)->enabled )*)0)), }, |
| 3692 | VMSTATE_BOOL(addressed, XHCISlot){ .name = ("addressed"), .version_id = (0), .field_exists = ( ((void*)0)), .size = sizeof(_Bool), .info = &(vmstate_info_bool ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCISlot , addressed) + ((_Bool*)0 - (typeof(((XHCISlot *)0)->addressed )*)0)), }, |
| 3693 | VMSTATE_END_OF_LIST(){} |
| 3694 | } |
| 3695 | }; |
| 3696 | |
| 3697 | static const VMStateDescription vmstate_xhci_event = { |
| 3698 | .name = "xhci-event", |
| 3699 | .version_id = 1, |
| 3700 | .fields = (VMStateField[]) { |
| 3701 | VMSTATE_UINT32(type, XHCIEvent){ .name = ("type"), .version_id = (0), .field_exists = (((void *)0)), .size = sizeof(uint32_t), .info = &(vmstate_info_uint32 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIEvent , type) + ((uint32_t*)0 - (typeof(((XHCIEvent *)0)->type)* )0)), }, |
| 3702 | VMSTATE_UINT32(ccode, XHCIEvent){ .name = ("ccode"), .version_id = (0), .field_exists = (((void *)0)), .size = sizeof(uint32_t), .info = &(vmstate_info_uint32 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIEvent , ccode) + ((uint32_t*)0 - (typeof(((XHCIEvent *)0)->ccode )*)0)), }, |
| 3703 | VMSTATE_UINT64(ptr, XHCIEvent){ .name = ("ptr"), .version_id = (0), .field_exists = (((void *)0)), .size = sizeof(uint64_t), .info = &(vmstate_info_uint64 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIEvent , ptr) + ((uint64_t*)0 - (typeof(((XHCIEvent *)0)->ptr)*)0 )), }, |
| 3704 | VMSTATE_UINT32(length, XHCIEvent){ .name = ("length"), .version_id = (0), .field_exists = (((void *)0)), .size = sizeof(uint32_t), .info = &(vmstate_info_uint32 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIEvent , length) + ((uint32_t*)0 - (typeof(((XHCIEvent *)0)->length )*)0)), }, |
| 3705 | VMSTATE_UINT32(flags, XHCIEvent){ .name = ("flags"), .version_id = (0), .field_exists = (((void *)0)), .size = sizeof(uint32_t), .info = &(vmstate_info_uint32 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIEvent , flags) + ((uint32_t*)0 - (typeof(((XHCIEvent *)0)->flags )*)0)), }, |
| 3706 | VMSTATE_UINT8(slotid, XHCIEvent){ .name = ("slotid"), .version_id = (0), .field_exists = (((void *)0)), .size = sizeof(uint8_t), .info = &(vmstate_info_uint8 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIEvent , slotid) + ((uint8_t*)0 - (typeof(((XHCIEvent *)0)->slotid )*)0)), }, |
| 3707 | VMSTATE_UINT8(epid, XHCIEvent){ .name = ("epid"), .version_id = (0), .field_exists = (((void *)0)), .size = sizeof(uint8_t), .info = &(vmstate_info_uint8 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIEvent , epid) + ((uint8_t*)0 - (typeof(((XHCIEvent *)0)->epid)*) 0)), }, |
| 3708 | } |
| 3709 | }; |
| 3710 | |
| 3711 | static bool_Bool xhci_er_full(void *opaque, int version_id) |
| 3712 | { |
| 3713 | struct XHCIInterrupter *intr = opaque; |
| 3714 | return intr->er_full; |
| 3715 | } |
| 3716 | |
| 3717 | static const VMStateDescription vmstate_xhci_intr = { |
| 3718 | .name = "xhci-intr", |
| 3719 | .version_id = 1, |
| 3720 | .fields = (VMStateField[]) { |
| 3721 | /* registers */ |
| 3722 | VMSTATE_UINT32(iman, XHCIInterrupter){ .name = ("iman"), .version_id = (0), .field_exists = (((void *)0)), .size = sizeof(uint32_t), .info = &(vmstate_info_uint32 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIInterrupter , iman) + ((uint32_t*)0 - (typeof(((XHCIInterrupter *)0)-> iman)*)0)), }, |
| 3723 | VMSTATE_UINT32(imod, XHCIInterrupter){ .name = ("imod"), .version_id = (0), .field_exists = (((void *)0)), .size = sizeof(uint32_t), .info = &(vmstate_info_uint32 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIInterrupter , imod) + ((uint32_t*)0 - (typeof(((XHCIInterrupter *)0)-> imod)*)0)), }, |
| 3724 | VMSTATE_UINT32(erstsz, XHCIInterrupter){ .name = ("erstsz"), .version_id = (0), .field_exists = (((void *)0)), .size = sizeof(uint32_t), .info = &(vmstate_info_uint32 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIInterrupter , erstsz) + ((uint32_t*)0 - (typeof(((XHCIInterrupter *)0)-> erstsz)*)0)), }, |
| 3725 | VMSTATE_UINT32(erstba_low, XHCIInterrupter){ .name = ("erstba_low"), .version_id = (0), .field_exists = ( ((void*)0)), .size = sizeof(uint32_t), .info = &(vmstate_info_uint32 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIInterrupter , erstba_low) + ((uint32_t*)0 - (typeof(((XHCIInterrupter *)0 )->erstba_low)*)0)), }, |
| 3726 | VMSTATE_UINT32(erstba_high, XHCIInterrupter){ .name = ("erstba_high"), .version_id = (0), .field_exists = (((void*)0)), .size = sizeof(uint32_t), .info = &(vmstate_info_uint32 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIInterrupter , erstba_high) + ((uint32_t*)0 - (typeof(((XHCIInterrupter *) 0)->erstba_high)*)0)), }, |
| 3727 | VMSTATE_UINT32(erdp_low, XHCIInterrupter){ .name = ("erdp_low"), .version_id = (0), .field_exists = (( (void*)0)), .size = sizeof(uint32_t), .info = &(vmstate_info_uint32 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIInterrupter , erdp_low) + ((uint32_t*)0 - (typeof(((XHCIInterrupter *)0)-> erdp_low)*)0)), }, |
| 3728 | VMSTATE_UINT32(erdp_high, XHCIInterrupter){ .name = ("erdp_high"), .version_id = (0), .field_exists = ( ((void*)0)), .size = sizeof(uint32_t), .info = &(vmstate_info_uint32 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIInterrupter , erdp_high) + ((uint32_t*)0 - (typeof(((XHCIInterrupter *)0) ->erdp_high)*)0)), }, |
| 3729 | |
| 3730 | /* state */ |
| 3731 | VMSTATE_BOOL(msix_used, XHCIInterrupter){ .name = ("msix_used"), .version_id = (0), .field_exists = ( ((void*)0)), .size = sizeof(_Bool), .info = &(vmstate_info_bool ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIInterrupter , msix_used) + ((_Bool*)0 - (typeof(((XHCIInterrupter *)0)-> msix_used)*)0)), }, |
| 3732 | VMSTATE_BOOL(er_pcs, XHCIInterrupter){ .name = ("er_pcs"), .version_id = (0), .field_exists = (((void *)0)), .size = sizeof(_Bool), .info = &(vmstate_info_bool ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIInterrupter , er_pcs) + ((_Bool*)0 - (typeof(((XHCIInterrupter *)0)->er_pcs )*)0)), }, |
| 3733 | VMSTATE_UINT64(er_start, XHCIInterrupter){ .name = ("er_start"), .version_id = (0), .field_exists = (( (void*)0)), .size = sizeof(uint64_t), .info = &(vmstate_info_uint64 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIInterrupter , er_start) + ((uint64_t*)0 - (typeof(((XHCIInterrupter *)0)-> er_start)*)0)), }, |
| 3734 | VMSTATE_UINT32(er_size, XHCIInterrupter){ .name = ("er_size"), .version_id = (0), .field_exists = ((( void*)0)), .size = sizeof(uint32_t), .info = &(vmstate_info_uint32 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIInterrupter , er_size) + ((uint32_t*)0 - (typeof(((XHCIInterrupter *)0)-> er_size)*)0)), }, |
| 3735 | VMSTATE_UINT32(er_ep_idx, XHCIInterrupter){ .name = ("er_ep_idx"), .version_id = (0), .field_exists = ( ((void*)0)), .size = sizeof(uint32_t), .info = &(vmstate_info_uint32 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIInterrupter , er_ep_idx) + ((uint32_t*)0 - (typeof(((XHCIInterrupter *)0) ->er_ep_idx)*)0)), }, |
| 3736 | |
| 3737 | /* event queue (used if ring is full) */ |
| 3738 | VMSTATE_BOOL(er_full, XHCIInterrupter){ .name = ("er_full"), .version_id = (0), .field_exists = ((( void*)0)), .size = sizeof(_Bool), .info = &(vmstate_info_bool ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIInterrupter , er_full) + ((_Bool*)0 - (typeof(((XHCIInterrupter *)0)-> er_full)*)0)), }, |
| 3739 | VMSTATE_UINT32_TEST(ev_buffer_put, XHCIInterrupter, xhci_er_full){ .name = ("ev_buffer_put"), .version_id = (0), .field_exists = (xhci_er_full), .size = sizeof(uint32_t), .info = &(vmstate_info_uint32 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIInterrupter , ev_buffer_put) + ((uint32_t*)0 - (typeof(((XHCIInterrupter * )0)->ev_buffer_put)*)0)), }, |
| 3740 | VMSTATE_UINT32_TEST(ev_buffer_get, XHCIInterrupter, xhci_er_full){ .name = ("ev_buffer_get"), .version_id = (0), .field_exists = (xhci_er_full), .size = sizeof(uint32_t), .info = &(vmstate_info_uint32 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIInterrupter , ev_buffer_get) + ((uint32_t*)0 - (typeof(((XHCIInterrupter * )0)->ev_buffer_get)*)0)), }, |
| 3741 | VMSTATE_STRUCT_ARRAY_TEST(ev_buffer, XHCIInterrupter, EV_QUEUE,{ .name = ("ev_buffer"), .num = ((((3*24)+16)*64)), .field_exists = (xhci_er_full), .version_id = (1), .vmsd = &(vmstate_xhci_event ), .size = sizeof(XHCIEvent), .flags = VMS_STRUCT|VMS_ARRAY, . offset = (__builtin_offsetof(XHCIInterrupter, ev_buffer) + (( XHCIEvent(*)[(((3*24)+16)*64)])0 - (typeof(((XHCIInterrupter * )0)->ev_buffer)*)0)),} |
| 3742 | xhci_er_full, 1,{ .name = ("ev_buffer"), .num = ((((3*24)+16)*64)), .field_exists = (xhci_er_full), .version_id = (1), .vmsd = &(vmstate_xhci_event ), .size = sizeof(XHCIEvent), .flags = VMS_STRUCT|VMS_ARRAY, . offset = (__builtin_offsetof(XHCIInterrupter, ev_buffer) + (( XHCIEvent(*)[(((3*24)+16)*64)])0 - (typeof(((XHCIInterrupter * )0)->ev_buffer)*)0)),} |
| 3743 | vmstate_xhci_event, XHCIEvent){ .name = ("ev_buffer"), .num = ((((3*24)+16)*64)), .field_exists = (xhci_er_full), .version_id = (1), .vmsd = &(vmstate_xhci_event ), .size = sizeof(XHCIEvent), .flags = VMS_STRUCT|VMS_ARRAY, . offset = (__builtin_offsetof(XHCIInterrupter, ev_buffer) + (( XHCIEvent(*)[(((3*24)+16)*64)])0 - (typeof(((XHCIInterrupter * )0)->ev_buffer)*)0)),}, |
| 3744 | |
| 3745 | VMSTATE_END_OF_LIST(){} |
| 3746 | } |
| 3747 | }; |
| 3748 | |
| 3749 | static const VMStateDescription vmstate_xhci = { |
| 3750 | .name = "xhci", |
| 3751 | .version_id = 1, |
| 3752 | .post_load = usb_xhci_post_load, |
| 3753 | .fields = (VMStateField[]) { |
| 3754 | VMSTATE_PCIE_DEVICE(parent_obj, XHCIState){ .name = ("parent_obj"), .size = sizeof(PCIDevice), .vmsd = & vmstate_pcie_device, .flags = VMS_STRUCT, .offset = (__builtin_offsetof (XHCIState, parent_obj) + ((PCIDevice*)0 - (typeof(((XHCIState *)0)->parent_obj)*)0)), }, |
| 3755 | VMSTATE_MSIX(parent_obj, XHCIState){ .name = ("parent_obj"), .size = sizeof(PCIDevice), .vmsd = & vmstate_msix, .flags = VMS_STRUCT, .offset = (__builtin_offsetof (XHCIState, parent_obj) + ((PCIDevice*)0 - (typeof(((XHCIState *)0)->parent_obj)*)0)), }, |
| 3756 | |
| 3757 | VMSTATE_STRUCT_VARRAY_UINT32(ports, XHCIState, numports, 1,{ .name = ("ports"), .num_offset = (__builtin_offsetof(XHCIState , numports) + ((uint32_t*)0 - (typeof(((XHCIState *)0)->numports )*)0)), .version_id = (1), .vmsd = &(vmstate_xhci_port), . size = sizeof(XHCIPort), .flags = VMS_STRUCT|VMS_VARRAY_UINT32 , .offset = __builtin_offsetof(XHCIState, ports), } |
| 3758 | vmstate_xhci_port, XHCIPort){ .name = ("ports"), .num_offset = (__builtin_offsetof(XHCIState , numports) + ((uint32_t*)0 - (typeof(((XHCIState *)0)->numports )*)0)), .version_id = (1), .vmsd = &(vmstate_xhci_port), . size = sizeof(XHCIPort), .flags = VMS_STRUCT|VMS_VARRAY_UINT32 , .offset = __builtin_offsetof(XHCIState, ports), }, |
| 3759 | VMSTATE_STRUCT_VARRAY_UINT32(slots, XHCIState, numslots, 1,{ .name = ("slots"), .num_offset = (__builtin_offsetof(XHCIState , numslots) + ((uint32_t*)0 - (typeof(((XHCIState *)0)->numslots )*)0)), .version_id = (1), .vmsd = &(vmstate_xhci_slot), . size = sizeof(XHCISlot), .flags = VMS_STRUCT|VMS_VARRAY_UINT32 , .offset = __builtin_offsetof(XHCIState, slots), } |
| 3760 | vmstate_xhci_slot, XHCISlot){ .name = ("slots"), .num_offset = (__builtin_offsetof(XHCIState , numslots) + ((uint32_t*)0 - (typeof(((XHCIState *)0)->numslots )*)0)), .version_id = (1), .vmsd = &(vmstate_xhci_slot), . size = sizeof(XHCISlot), .flags = VMS_STRUCT|VMS_VARRAY_UINT32 , .offset = __builtin_offsetof(XHCIState, slots), }, |
| 3761 | VMSTATE_STRUCT_VARRAY_UINT32(intr, XHCIState, numintrs, 1,{ .name = ("intr"), .num_offset = (__builtin_offsetof(XHCIState , numintrs) + ((uint32_t*)0 - (typeof(((XHCIState *)0)->numintrs )*)0)), .version_id = (1), .vmsd = &(vmstate_xhci_intr), . size = sizeof(XHCIInterrupter), .flags = VMS_STRUCT|VMS_VARRAY_UINT32 , .offset = __builtin_offsetof(XHCIState, intr), } |
| 3762 | vmstate_xhci_intr, XHCIInterrupter){ .name = ("intr"), .num_offset = (__builtin_offsetof(XHCIState , numintrs) + ((uint32_t*)0 - (typeof(((XHCIState *)0)->numintrs )*)0)), .version_id = (1), .vmsd = &(vmstate_xhci_intr), . size = sizeof(XHCIInterrupter), .flags = VMS_STRUCT|VMS_VARRAY_UINT32 , .offset = __builtin_offsetof(XHCIState, intr), }, |
| 3763 | |
| 3764 | /* Operational Registers */ |
| 3765 | VMSTATE_UINT32(usbcmd, XHCIState){ .name = ("usbcmd"), .version_id = (0), .field_exists = (((void *)0)), .size = sizeof(uint32_t), .info = &(vmstate_info_uint32 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIState , usbcmd) + ((uint32_t*)0 - (typeof(((XHCIState *)0)->usbcmd )*)0)), }, |
| 3766 | VMSTATE_UINT32(usbsts, XHCIState){ .name = ("usbsts"), .version_id = (0), .field_exists = (((void *)0)), .size = sizeof(uint32_t), .info = &(vmstate_info_uint32 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIState , usbsts) + ((uint32_t*)0 - (typeof(((XHCIState *)0)->usbsts )*)0)), }, |
| 3767 | VMSTATE_UINT32(dnctrl, XHCIState){ .name = ("dnctrl"), .version_id = (0), .field_exists = (((void *)0)), .size = sizeof(uint32_t), .info = &(vmstate_info_uint32 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIState , dnctrl) + ((uint32_t*)0 - (typeof(((XHCIState *)0)->dnctrl )*)0)), }, |
| 3768 | VMSTATE_UINT32(crcr_low, XHCIState){ .name = ("crcr_low"), .version_id = (0), .field_exists = (( (void*)0)), .size = sizeof(uint32_t), .info = &(vmstate_info_uint32 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIState , crcr_low) + ((uint32_t*)0 - (typeof(((XHCIState *)0)->crcr_low )*)0)), }, |
| 3769 | VMSTATE_UINT32(crcr_high, XHCIState){ .name = ("crcr_high"), .version_id = (0), .field_exists = ( ((void*)0)), .size = sizeof(uint32_t), .info = &(vmstate_info_uint32 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIState , crcr_high) + ((uint32_t*)0 - (typeof(((XHCIState *)0)->crcr_high )*)0)), }, |
| 3770 | VMSTATE_UINT32(dcbaap_low, XHCIState){ .name = ("dcbaap_low"), .version_id = (0), .field_exists = ( ((void*)0)), .size = sizeof(uint32_t), .info = &(vmstate_info_uint32 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIState , dcbaap_low) + ((uint32_t*)0 - (typeof(((XHCIState *)0)-> dcbaap_low)*)0)), }, |
| 3771 | VMSTATE_UINT32(dcbaap_high, XHCIState){ .name = ("dcbaap_high"), .version_id = (0), .field_exists = (((void*)0)), .size = sizeof(uint32_t), .info = &(vmstate_info_uint32 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIState , dcbaap_high) + ((uint32_t*)0 - (typeof(((XHCIState *)0)-> dcbaap_high)*)0)), }, |
| 3772 | VMSTATE_UINT32(config, XHCIState){ .name = ("config"), .version_id = (0), .field_exists = (((void *)0)), .size = sizeof(uint32_t), .info = &(vmstate_info_uint32 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIState , config) + ((uint32_t*)0 - (typeof(((XHCIState *)0)->config )*)0)), }, |
| 3773 | |
| 3774 | /* Runtime Registers & state */ |
| 3775 | VMSTATE_INT64(mfindex_start, XHCIState){ .name = ("mfindex_start"), .version_id = (0), .field_exists = (((void*)0)), .size = sizeof(int64_t), .info = &(vmstate_info_int64 ), .flags = VMS_SINGLE, .offset = (__builtin_offsetof(XHCIState , mfindex_start) + ((int64_t*)0 - (typeof(((XHCIState *)0)-> mfindex_start)*)0)), }, |
| 3776 | VMSTATE_TIMER(mfwrap_timer, XHCIState){ .name = ("mfwrap_timer"), .version_id = (0), .info = &( vmstate_info_timer), .size = sizeof(QEMUTimer *), .flags = VMS_SINGLE |VMS_POINTER, .offset = (__builtin_offsetof(XHCIState, mfwrap_timer ) + ((QEMUTimer **)0 - (typeof(((XHCIState *)0)->mfwrap_timer )*)0)), }, |
| 3777 | VMSTATE_STRUCT(cmd_ring, XHCIState, 1, vmstate_xhci_ring, XHCIRing){ .name = ("cmd_ring"), .version_id = (1), .field_exists = (( (void*)0)), .vmsd = &(vmstate_xhci_ring), .size = sizeof( XHCIRing), .flags = VMS_STRUCT, .offset = (__builtin_offsetof (XHCIState, cmd_ring) + ((XHCIRing*)0 - (typeof(((XHCIState * )0)->cmd_ring)*)0)), }, |
| 3778 | |
| 3779 | VMSTATE_END_OF_LIST(){} |
| 3780 | } |
| 3781 | }; |
| 3782 | |
| 3783 | static Property xhci_properties[] = { |
| 3784 | DEFINE_PROP_BIT("msi", XHCIState, flags, XHCI_FLAG_USE_MSI, true){ .name = ("msi"), .info = &(qdev_prop_bit), .bitnr = (XHCI_FLAG_USE_MSI ), .offset = __builtin_offsetof(XHCIState, flags) + ((uint32_t *)0 - (typeof(((XHCIState *)0)->flags)*)0), .qtype = QTYPE_QBOOL , .defval = (_Bool)1, }, |
| 3785 | DEFINE_PROP_BIT("msix", XHCIState, flags, XHCI_FLAG_USE_MSI_X, true){ .name = ("msix"), .info = &(qdev_prop_bit), .bitnr = (XHCI_FLAG_USE_MSI_X ), .offset = __builtin_offsetof(XHCIState, flags) + ((uint32_t *)0 - (typeof(((XHCIState *)0)->flags)*)0), .qtype = QTYPE_QBOOL , .defval = (_Bool)1, }, |
| 3786 | DEFINE_PROP_UINT32("intrs", XHCIState, numintrs, MAXINTRS){ .name = ("intrs"), .info = &(qdev_prop_uint32), .offset = __builtin_offsetof(XHCIState, numintrs) + ((uint32_t*)0 - ( typeof(((XHCIState *)0)->numintrs)*)0), .qtype = QTYPE_QINT , .defval = (uint32_t)16, }, |
| 3787 | DEFINE_PROP_UINT32("slots", XHCIState, numslots, MAXSLOTS){ .name = ("slots"), .info = &(qdev_prop_uint32), .offset = __builtin_offsetof(XHCIState, numslots) + ((uint32_t*)0 - ( typeof(((XHCIState *)0)->numslots)*)0), .qtype = QTYPE_QINT , .defval = (uint32_t)64, }, |
| 3788 | DEFINE_PROP_UINT32("p2", XHCIState, numports_2, 4){ .name = ("p2"), .info = &(qdev_prop_uint32), .offset = __builtin_offsetof (XHCIState, numports_2) + ((uint32_t*)0 - (typeof(((XHCIState *)0)->numports_2)*)0), .qtype = QTYPE_QINT, .defval = (uint32_t )4, }, |
| 3789 | DEFINE_PROP_UINT32("p3", XHCIState, numports_3, 4){ .name = ("p3"), .info = &(qdev_prop_uint32), .offset = __builtin_offsetof (XHCIState, numports_3) + ((uint32_t*)0 - (typeof(((XHCIState *)0)->numports_3)*)0), .qtype = QTYPE_QINT, .defval = (uint32_t )4, }, |
| 3790 | DEFINE_PROP_END_OF_LIST(){}, |
| 3791 | }; |
| 3792 | |
| 3793 | static void xhci_class_init(ObjectClass *klass, void *data) |
| 3794 | { |
| 3795 | PCIDeviceClass *k = PCI_DEVICE_CLASS(klass)((PCIDeviceClass *)object_class_dynamic_cast_assert(((ObjectClass *)((klass))), ("pci-device"), "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 3795, __func__)); |
| 3796 | DeviceClass *dc = DEVICE_CLASS(klass)((DeviceClass *)object_class_dynamic_cast_assert(((ObjectClass *)((klass))), ("device"), "/home/stefan/src/qemu/qemu.org/qemu/hw/usb/hcd-xhci.c" , 3796, __func__)); |
| 3797 | |
| 3798 | dc->vmsd = &vmstate_xhci; |
| 3799 | dc->props = xhci_properties; |
| 3800 | dc->reset = xhci_reset; |
| 3801 | set_bit(DEVICE_CATEGORY_USB, dc->categories); |
| 3802 | k->init = usb_xhci_initfn; |
| 3803 | k->vendor_id = PCI_VENDOR_ID_NEC0x1033; |
| 3804 | k->device_id = PCI_DEVICE_ID_NEC_UPD7202000x0194; |
| 3805 | k->class_id = PCI_CLASS_SERIAL_USB0x0c03; |
| 3806 | k->revision = 0x03; |
| 3807 | k->is_express = 1; |
| 3808 | k->no_hotplug = 1; |
| 3809 | } |
| 3810 | |
| 3811 | static const TypeInfo xhci_info = { |
| 3812 | .name = TYPE_XHCI"nec-usb-xhci", |
| 3813 | .parent = TYPE_PCI_DEVICE"pci-device", |
| 3814 | .instance_size = sizeof(XHCIState), |
| 3815 | .class_init = xhci_class_init, |
| 3816 | }; |
| 3817 | |
| 3818 | static void xhci_register_types(void) |
| 3819 | { |
| 3820 | type_register_static(&xhci_info); |
| 3821 | } |
| 3822 | |
| 3823 | type_init(xhci_register_types)static void __attribute__((constructor)) do_qemu_init_xhci_register_types (void) { register_module_init(xhci_register_types, MODULE_INIT_QOM ); } |