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62c6ae04 HM |
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 | */ | |
f1ae32a1 | 21 | #include "hw/hw.h" |
62c6ae04 | 22 | #include "qemu-timer.h" |
f1ae32a1 GH |
23 | #include "hw/usb.h" |
24 | #include "hw/pci.h" | |
f1ae32a1 | 25 | #include "hw/msi.h" |
4c47f800 | 26 | #include "hw/msix.h" |
2d754a10 | 27 | #include "trace.h" |
62c6ae04 HM |
28 | |
29 | //#define DEBUG_XHCI | |
30 | //#define DEBUG_DATA | |
31 | ||
32 | #ifdef DEBUG_XHCI | |
33 | #define DPRINTF(...) fprintf(stderr, __VA_ARGS__) | |
34 | #else | |
35 | #define DPRINTF(...) do {} while (0) | |
36 | #endif | |
37 | #define FIXME() do { fprintf(stderr, "FIXME %s:%d\n", \ | |
38 | __func__, __LINE__); abort(); } while (0) | |
39 | ||
d95e74ea GH |
40 | #define MAXPORTS_2 15 |
41 | #define MAXPORTS_3 15 | |
62c6ae04 | 42 | |
0846e635 | 43 | #define MAXPORTS (MAXPORTS_2+MAXPORTS_3) |
d95e74ea GH |
44 | #define MAXSLOTS 64 |
45 | #define MAXINTRS 16 | |
62c6ae04 HM |
46 | |
47 | #define TD_QUEUE 24 | |
62c6ae04 HM |
48 | |
49 | /* Very pessimistic, let's hope it's enough for all cases */ | |
50 | #define EV_QUEUE (((3*TD_QUEUE)+16)*MAXSLOTS) | |
51 | /* Do not deliver ER Full events. NEC's driver does some things not bound | |
52 | * to the specs when it gets them */ | |
53 | #define ER_FULL_HACK | |
54 | ||
55 | #define LEN_CAP 0x40 | |
62c6ae04 | 56 | #define LEN_OPER (0x400 + 0x10 * MAXPORTS) |
106b214c | 57 | #define LEN_RUNTIME ((MAXINTRS + 1) * 0x20) |
62c6ae04 HM |
58 | #define LEN_DOORBELL ((MAXSLOTS + 1) * 0x20) |
59 | ||
106b214c GH |
60 | #define OFF_OPER LEN_CAP |
61 | #define OFF_RUNTIME 0x1000 | |
62 | #define OFF_DOORBELL 0x2000 | |
4c47f800 GH |
63 | #define OFF_MSIX_TABLE 0x3000 |
64 | #define OFF_MSIX_PBA 0x3800 | |
62c6ae04 | 65 | /* must be power of 2 */ |
106b214c | 66 | #define LEN_REGS 0x4000 |
62c6ae04 | 67 | |
106b214c GH |
68 | #if (OFF_OPER + LEN_OPER) > OFF_RUNTIME |
69 | #error Increase OFF_RUNTIME | |
70 | #endif | |
71 | #if (OFF_RUNTIME + LEN_RUNTIME) > OFF_DOORBELL | |
72 | #error Increase OFF_DOORBELL | |
73 | #endif | |
62c6ae04 HM |
74 | #if (OFF_DOORBELL + LEN_DOORBELL) > LEN_REGS |
75 | # error Increase LEN_REGS | |
76 | #endif | |
77 | ||
62c6ae04 HM |
78 | /* bit definitions */ |
79 | #define USBCMD_RS (1<<0) | |
80 | #define USBCMD_HCRST (1<<1) | |
81 | #define USBCMD_INTE (1<<2) | |
82 | #define USBCMD_HSEE (1<<3) | |
83 | #define USBCMD_LHCRST (1<<7) | |
84 | #define USBCMD_CSS (1<<8) | |
85 | #define USBCMD_CRS (1<<9) | |
86 | #define USBCMD_EWE (1<<10) | |
87 | #define USBCMD_EU3S (1<<11) | |
88 | ||
89 | #define USBSTS_HCH (1<<0) | |
90 | #define USBSTS_HSE (1<<2) | |
91 | #define USBSTS_EINT (1<<3) | |
92 | #define USBSTS_PCD (1<<4) | |
93 | #define USBSTS_SSS (1<<8) | |
94 | #define USBSTS_RSS (1<<9) | |
95 | #define USBSTS_SRE (1<<10) | |
96 | #define USBSTS_CNR (1<<11) | |
97 | #define USBSTS_HCE (1<<12) | |
98 | ||
99 | ||
100 | #define PORTSC_CCS (1<<0) | |
101 | #define PORTSC_PED (1<<1) | |
102 | #define PORTSC_OCA (1<<3) | |
103 | #define PORTSC_PR (1<<4) | |
104 | #define PORTSC_PLS_SHIFT 5 | |
105 | #define PORTSC_PLS_MASK 0xf | |
106 | #define PORTSC_PP (1<<9) | |
107 | #define PORTSC_SPEED_SHIFT 10 | |
108 | #define PORTSC_SPEED_MASK 0xf | |
109 | #define PORTSC_SPEED_FULL (1<<10) | |
110 | #define PORTSC_SPEED_LOW (2<<10) | |
111 | #define PORTSC_SPEED_HIGH (3<<10) | |
112 | #define PORTSC_SPEED_SUPER (4<<10) | |
113 | #define PORTSC_PIC_SHIFT 14 | |
114 | #define PORTSC_PIC_MASK 0x3 | |
115 | #define PORTSC_LWS (1<<16) | |
116 | #define PORTSC_CSC (1<<17) | |
117 | #define PORTSC_PEC (1<<18) | |
118 | #define PORTSC_WRC (1<<19) | |
119 | #define PORTSC_OCC (1<<20) | |
120 | #define PORTSC_PRC (1<<21) | |
121 | #define PORTSC_PLC (1<<22) | |
122 | #define PORTSC_CEC (1<<23) | |
123 | #define PORTSC_CAS (1<<24) | |
124 | #define PORTSC_WCE (1<<25) | |
125 | #define PORTSC_WDE (1<<26) | |
126 | #define PORTSC_WOE (1<<27) | |
127 | #define PORTSC_DR (1<<30) | |
128 | #define PORTSC_WPR (1<<31) | |
129 | ||
130 | #define CRCR_RCS (1<<0) | |
131 | #define CRCR_CS (1<<1) | |
132 | #define CRCR_CA (1<<2) | |
133 | #define CRCR_CRR (1<<3) | |
134 | ||
135 | #define IMAN_IP (1<<0) | |
136 | #define IMAN_IE (1<<1) | |
137 | ||
138 | #define ERDP_EHB (1<<3) | |
139 | ||
140 | #define TRB_SIZE 16 | |
141 | typedef struct XHCITRB { | |
142 | uint64_t parameter; | |
143 | uint32_t status; | |
144 | uint32_t control; | |
59a70ccd | 145 | dma_addr_t addr; |
62c6ae04 HM |
146 | bool ccs; |
147 | } XHCITRB; | |
148 | ||
149 | ||
150 | typedef enum TRBType { | |
151 | TRB_RESERVED = 0, | |
152 | TR_NORMAL, | |
153 | TR_SETUP, | |
154 | TR_DATA, | |
155 | TR_STATUS, | |
156 | TR_ISOCH, | |
157 | TR_LINK, | |
158 | TR_EVDATA, | |
159 | TR_NOOP, | |
160 | CR_ENABLE_SLOT, | |
161 | CR_DISABLE_SLOT, | |
162 | CR_ADDRESS_DEVICE, | |
163 | CR_CONFIGURE_ENDPOINT, | |
164 | CR_EVALUATE_CONTEXT, | |
165 | CR_RESET_ENDPOINT, | |
166 | CR_STOP_ENDPOINT, | |
167 | CR_SET_TR_DEQUEUE, | |
168 | CR_RESET_DEVICE, | |
169 | CR_FORCE_EVENT, | |
170 | CR_NEGOTIATE_BW, | |
171 | CR_SET_LATENCY_TOLERANCE, | |
172 | CR_GET_PORT_BANDWIDTH, | |
173 | CR_FORCE_HEADER, | |
174 | CR_NOOP, | |
175 | ER_TRANSFER = 32, | |
176 | ER_COMMAND_COMPLETE, | |
177 | ER_PORT_STATUS_CHANGE, | |
178 | ER_BANDWIDTH_REQUEST, | |
179 | ER_DOORBELL, | |
180 | ER_HOST_CONTROLLER, | |
181 | ER_DEVICE_NOTIFICATION, | |
182 | ER_MFINDEX_WRAP, | |
183 | /* vendor specific bits */ | |
184 | CR_VENDOR_VIA_CHALLENGE_RESPONSE = 48, | |
185 | CR_VENDOR_NEC_FIRMWARE_REVISION = 49, | |
186 | CR_VENDOR_NEC_CHALLENGE_RESPONSE = 50, | |
187 | } TRBType; | |
188 | ||
189 | #define CR_LINK TR_LINK | |
190 | ||
191 | typedef enum TRBCCode { | |
192 | CC_INVALID = 0, | |
193 | CC_SUCCESS, | |
194 | CC_DATA_BUFFER_ERROR, | |
195 | CC_BABBLE_DETECTED, | |
196 | CC_USB_TRANSACTION_ERROR, | |
197 | CC_TRB_ERROR, | |
198 | CC_STALL_ERROR, | |
199 | CC_RESOURCE_ERROR, | |
200 | CC_BANDWIDTH_ERROR, | |
201 | CC_NO_SLOTS_ERROR, | |
202 | CC_INVALID_STREAM_TYPE_ERROR, | |
203 | CC_SLOT_NOT_ENABLED_ERROR, | |
204 | CC_EP_NOT_ENABLED_ERROR, | |
205 | CC_SHORT_PACKET, | |
206 | CC_RING_UNDERRUN, | |
207 | CC_RING_OVERRUN, | |
208 | CC_VF_ER_FULL, | |
209 | CC_PARAMETER_ERROR, | |
210 | CC_BANDWIDTH_OVERRUN, | |
211 | CC_CONTEXT_STATE_ERROR, | |
212 | CC_NO_PING_RESPONSE_ERROR, | |
213 | CC_EVENT_RING_FULL_ERROR, | |
214 | CC_INCOMPATIBLE_DEVICE_ERROR, | |
215 | CC_MISSED_SERVICE_ERROR, | |
216 | CC_COMMAND_RING_STOPPED, | |
217 | CC_COMMAND_ABORTED, | |
218 | CC_STOPPED, | |
219 | CC_STOPPED_LENGTH_INVALID, | |
220 | CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR = 29, | |
221 | CC_ISOCH_BUFFER_OVERRUN = 31, | |
222 | CC_EVENT_LOST_ERROR, | |
223 | CC_UNDEFINED_ERROR, | |
224 | CC_INVALID_STREAM_ID_ERROR, | |
225 | CC_SECONDARY_BANDWIDTH_ERROR, | |
226 | CC_SPLIT_TRANSACTION_ERROR | |
227 | } TRBCCode; | |
228 | ||
229 | #define TRB_C (1<<0) | |
230 | #define TRB_TYPE_SHIFT 10 | |
231 | #define TRB_TYPE_MASK 0x3f | |
232 | #define TRB_TYPE(t) (((t).control >> TRB_TYPE_SHIFT) & TRB_TYPE_MASK) | |
233 | ||
234 | #define TRB_EV_ED (1<<2) | |
235 | ||
236 | #define TRB_TR_ENT (1<<1) | |
237 | #define TRB_TR_ISP (1<<2) | |
238 | #define TRB_TR_NS (1<<3) | |
239 | #define TRB_TR_CH (1<<4) | |
240 | #define TRB_TR_IOC (1<<5) | |
241 | #define TRB_TR_IDT (1<<6) | |
242 | #define TRB_TR_TBC_SHIFT 7 | |
243 | #define TRB_TR_TBC_MASK 0x3 | |
244 | #define TRB_TR_BEI (1<<9) | |
245 | #define TRB_TR_TLBPC_SHIFT 16 | |
246 | #define TRB_TR_TLBPC_MASK 0xf | |
247 | #define TRB_TR_FRAMEID_SHIFT 20 | |
248 | #define TRB_TR_FRAMEID_MASK 0x7ff | |
249 | #define TRB_TR_SIA (1<<31) | |
250 | ||
251 | #define TRB_TR_DIR (1<<16) | |
252 | ||
253 | #define TRB_CR_SLOTID_SHIFT 24 | |
254 | #define TRB_CR_SLOTID_MASK 0xff | |
255 | #define TRB_CR_EPID_SHIFT 16 | |
256 | #define TRB_CR_EPID_MASK 0x1f | |
257 | ||
258 | #define TRB_CR_BSR (1<<9) | |
259 | #define TRB_CR_DC (1<<9) | |
260 | ||
261 | #define TRB_LK_TC (1<<1) | |
262 | ||
2d1de850 GH |
263 | #define TRB_INTR_SHIFT 22 |
264 | #define TRB_INTR_MASK 0x3ff | |
265 | #define TRB_INTR(t) (((t).status >> TRB_INTR_SHIFT) & TRB_INTR_MASK) | |
266 | ||
62c6ae04 HM |
267 | #define EP_TYPE_MASK 0x7 |
268 | #define EP_TYPE_SHIFT 3 | |
269 | ||
270 | #define EP_STATE_MASK 0x7 | |
271 | #define EP_DISABLED (0<<0) | |
272 | #define EP_RUNNING (1<<0) | |
273 | #define EP_HALTED (2<<0) | |
274 | #define EP_STOPPED (3<<0) | |
275 | #define EP_ERROR (4<<0) | |
276 | ||
277 | #define SLOT_STATE_MASK 0x1f | |
278 | #define SLOT_STATE_SHIFT 27 | |
279 | #define SLOT_STATE(s) (((s)>>SLOT_STATE_SHIFT)&SLOT_STATE_MASK) | |
280 | #define SLOT_ENABLED 0 | |
281 | #define SLOT_DEFAULT 1 | |
282 | #define SLOT_ADDRESSED 2 | |
283 | #define SLOT_CONFIGURED 3 | |
284 | ||
285 | #define SLOT_CONTEXT_ENTRIES_MASK 0x1f | |
286 | #define SLOT_CONTEXT_ENTRIES_SHIFT 27 | |
287 | ||
1d8a4e69 GH |
288 | typedef struct XHCIState XHCIState; |
289 | ||
62c6ae04 HM |
290 | typedef enum EPType { |
291 | ET_INVALID = 0, | |
292 | ET_ISO_OUT, | |
293 | ET_BULK_OUT, | |
294 | ET_INTR_OUT, | |
295 | ET_CONTROL, | |
296 | ET_ISO_IN, | |
297 | ET_BULK_IN, | |
298 | ET_INTR_IN, | |
299 | } EPType; | |
300 | ||
301 | typedef struct XHCIRing { | |
59a70ccd DG |
302 | dma_addr_t base; |
303 | dma_addr_t dequeue; | |
62c6ae04 HM |
304 | bool ccs; |
305 | } XHCIRing; | |
306 | ||
307 | typedef struct XHCIPort { | |
1d8a4e69 | 308 | XHCIState *xhci; |
62c6ae04 | 309 | uint32_t portsc; |
0846e635 GH |
310 | uint32_t portnr; |
311 | USBPort *uport; | |
312 | uint32_t speedmask; | |
1d8a4e69 GH |
313 | char name[16]; |
314 | MemoryRegion mem; | |
62c6ae04 HM |
315 | } XHCIPort; |
316 | ||
62c6ae04 HM |
317 | typedef struct XHCITransfer { |
318 | XHCIState *xhci; | |
319 | USBPacket packet; | |
d5a15814 | 320 | QEMUSGList sgl; |
7c605a23 GH |
321 | bool running_async; |
322 | bool running_retry; | |
62c6ae04 HM |
323 | bool cancelled; |
324 | bool complete; | |
62c6ae04 HM |
325 | unsigned int iso_pkts; |
326 | unsigned int slotid; | |
327 | unsigned int epid; | |
328 | bool in_xfer; | |
329 | bool iso_xfer; | |
62c6ae04 HM |
330 | |
331 | unsigned int trb_count; | |
332 | unsigned int trb_alloced; | |
333 | XHCITRB *trbs; | |
334 | ||
62c6ae04 HM |
335 | TRBCCode status; |
336 | ||
337 | unsigned int pkts; | |
338 | unsigned int pktsize; | |
339 | unsigned int cur_pkt; | |
3d139684 GH |
340 | |
341 | uint64_t mfindex_kick; | |
62c6ae04 HM |
342 | } XHCITransfer; |
343 | ||
344 | typedef struct XHCIEPContext { | |
3d139684 GH |
345 | XHCIState *xhci; |
346 | unsigned int slotid; | |
347 | unsigned int epid; | |
348 | ||
62c6ae04 HM |
349 | XHCIRing ring; |
350 | unsigned int next_xfer; | |
351 | unsigned int comp_xfer; | |
352 | XHCITransfer transfers[TD_QUEUE]; | |
7c605a23 | 353 | XHCITransfer *retry; |
62c6ae04 | 354 | EPType type; |
59a70ccd | 355 | dma_addr_t pctx; |
62c6ae04 | 356 | unsigned int max_psize; |
62c6ae04 | 357 | uint32_t state; |
3d139684 GH |
358 | |
359 | /* iso xfer scheduling */ | |
360 | unsigned int interval; | |
361 | int64_t mfindex_last; | |
362 | QEMUTimer *kick_timer; | |
62c6ae04 HM |
363 | } XHCIEPContext; |
364 | ||
365 | typedef struct XHCISlot { | |
366 | bool enabled; | |
59a70ccd | 367 | dma_addr_t ctx; |
ccaf87a0 | 368 | USBPort *uport; |
62c6ae04 HM |
369 | unsigned int devaddr; |
370 | XHCIEPContext * eps[31]; | |
371 | } XHCISlot; | |
372 | ||
373 | typedef struct XHCIEvent { | |
374 | TRBType type; | |
375 | TRBCCode ccode; | |
376 | uint64_t ptr; | |
377 | uint32_t length; | |
378 | uint32_t flags; | |
379 | uint8_t slotid; | |
380 | uint8_t epid; | |
381 | } XHCIEvent; | |
382 | ||
962d11e1 GH |
383 | typedef struct XHCIInterrupter { |
384 | uint32_t iman; | |
385 | uint32_t imod; | |
386 | uint32_t erstsz; | |
387 | uint32_t erstba_low; | |
388 | uint32_t erstba_high; | |
389 | uint32_t erdp_low; | |
390 | uint32_t erdp_high; | |
391 | ||
392 | bool msix_used, er_pcs, er_full; | |
393 | ||
394 | dma_addr_t er_start; | |
395 | uint32_t er_size; | |
396 | unsigned int er_ep_idx; | |
397 | ||
398 | XHCIEvent ev_buffer[EV_QUEUE]; | |
399 | unsigned int ev_buffer_put; | |
400 | unsigned int ev_buffer_get; | |
401 | ||
402 | } XHCIInterrupter; | |
403 | ||
62c6ae04 HM |
404 | struct XHCIState { |
405 | PCIDevice pci_dev; | |
406 | USBBus bus; | |
407 | qemu_irq irq; | |
408 | MemoryRegion mem; | |
1b067564 GH |
409 | MemoryRegion mem_cap; |
410 | MemoryRegion mem_oper; | |
411 | MemoryRegion mem_runtime; | |
412 | MemoryRegion mem_doorbell; | |
62c6ae04 | 413 | const char *name; |
62c6ae04 HM |
414 | unsigned int devaddr; |
415 | ||
0846e635 GH |
416 | /* properties */ |
417 | uint32_t numports_2; | |
418 | uint32_t numports_3; | |
c5e9b02d | 419 | uint32_t flags; |
0846e635 | 420 | |
62c6ae04 HM |
421 | /* Operational Registers */ |
422 | uint32_t usbcmd; | |
423 | uint32_t usbsts; | |
424 | uint32_t dnctrl; | |
425 | uint32_t crcr_low; | |
426 | uint32_t crcr_high; | |
427 | uint32_t dcbaap_low; | |
428 | uint32_t dcbaap_high; | |
429 | uint32_t config; | |
430 | ||
0846e635 | 431 | USBPort uports[MAX(MAXPORTS_2, MAXPORTS_3)]; |
62c6ae04 HM |
432 | XHCIPort ports[MAXPORTS]; |
433 | XHCISlot slots[MAXSLOTS]; | |
0846e635 | 434 | uint32_t numports; |
62c6ae04 HM |
435 | |
436 | /* Runtime Registers */ | |
01546fa6 GH |
437 | int64_t mfindex_start; |
438 | QEMUTimer *mfwrap_timer; | |
962d11e1 | 439 | XHCIInterrupter intr[MAXINTRS]; |
62c6ae04 HM |
440 | |
441 | XHCIRing cmd_ring; | |
442 | }; | |
443 | ||
444 | typedef struct XHCIEvRingSeg { | |
445 | uint32_t addr_low; | |
446 | uint32_t addr_high; | |
447 | uint32_t size; | |
448 | uint32_t rsvd; | |
449 | } XHCIEvRingSeg; | |
450 | ||
c5e9b02d GH |
451 | enum xhci_flags { |
452 | XHCI_FLAG_USE_MSI = 1, | |
4c47f800 | 453 | XHCI_FLAG_USE_MSI_X, |
c5e9b02d GH |
454 | }; |
455 | ||
01546fa6 GH |
456 | static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, |
457 | unsigned int epid); | |
962d11e1 GH |
458 | static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v); |
459 | static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v); | |
01546fa6 | 460 | |
f10de44e GH |
461 | static const char *TRBType_names[] = { |
462 | [TRB_RESERVED] = "TRB_RESERVED", | |
463 | [TR_NORMAL] = "TR_NORMAL", | |
464 | [TR_SETUP] = "TR_SETUP", | |
465 | [TR_DATA] = "TR_DATA", | |
466 | [TR_STATUS] = "TR_STATUS", | |
467 | [TR_ISOCH] = "TR_ISOCH", | |
468 | [TR_LINK] = "TR_LINK", | |
469 | [TR_EVDATA] = "TR_EVDATA", | |
470 | [TR_NOOP] = "TR_NOOP", | |
471 | [CR_ENABLE_SLOT] = "CR_ENABLE_SLOT", | |
472 | [CR_DISABLE_SLOT] = "CR_DISABLE_SLOT", | |
473 | [CR_ADDRESS_DEVICE] = "CR_ADDRESS_DEVICE", | |
474 | [CR_CONFIGURE_ENDPOINT] = "CR_CONFIGURE_ENDPOINT", | |
475 | [CR_EVALUATE_CONTEXT] = "CR_EVALUATE_CONTEXT", | |
476 | [CR_RESET_ENDPOINT] = "CR_RESET_ENDPOINT", | |
477 | [CR_STOP_ENDPOINT] = "CR_STOP_ENDPOINT", | |
478 | [CR_SET_TR_DEQUEUE] = "CR_SET_TR_DEQUEUE", | |
479 | [CR_RESET_DEVICE] = "CR_RESET_DEVICE", | |
480 | [CR_FORCE_EVENT] = "CR_FORCE_EVENT", | |
481 | [CR_NEGOTIATE_BW] = "CR_NEGOTIATE_BW", | |
482 | [CR_SET_LATENCY_TOLERANCE] = "CR_SET_LATENCY_TOLERANCE", | |
483 | [CR_GET_PORT_BANDWIDTH] = "CR_GET_PORT_BANDWIDTH", | |
484 | [CR_FORCE_HEADER] = "CR_FORCE_HEADER", | |
485 | [CR_NOOP] = "CR_NOOP", | |
486 | [ER_TRANSFER] = "ER_TRANSFER", | |
487 | [ER_COMMAND_COMPLETE] = "ER_COMMAND_COMPLETE", | |
488 | [ER_PORT_STATUS_CHANGE] = "ER_PORT_STATUS_CHANGE", | |
489 | [ER_BANDWIDTH_REQUEST] = "ER_BANDWIDTH_REQUEST", | |
490 | [ER_DOORBELL] = "ER_DOORBELL", | |
491 | [ER_HOST_CONTROLLER] = "ER_HOST_CONTROLLER", | |
492 | [ER_DEVICE_NOTIFICATION] = "ER_DEVICE_NOTIFICATION", | |
493 | [ER_MFINDEX_WRAP] = "ER_MFINDEX_WRAP", | |
494 | [CR_VENDOR_VIA_CHALLENGE_RESPONSE] = "CR_VENDOR_VIA_CHALLENGE_RESPONSE", | |
495 | [CR_VENDOR_NEC_FIRMWARE_REVISION] = "CR_VENDOR_NEC_FIRMWARE_REVISION", | |
496 | [CR_VENDOR_NEC_CHALLENGE_RESPONSE] = "CR_VENDOR_NEC_CHALLENGE_RESPONSE", | |
497 | }; | |
498 | ||
873123fe GH |
499 | static const char *TRBCCode_names[] = { |
500 | [CC_INVALID] = "CC_INVALID", | |
501 | [CC_SUCCESS] = "CC_SUCCESS", | |
502 | [CC_DATA_BUFFER_ERROR] = "CC_DATA_BUFFER_ERROR", | |
503 | [CC_BABBLE_DETECTED] = "CC_BABBLE_DETECTED", | |
504 | [CC_USB_TRANSACTION_ERROR] = "CC_USB_TRANSACTION_ERROR", | |
505 | [CC_TRB_ERROR] = "CC_TRB_ERROR", | |
506 | [CC_STALL_ERROR] = "CC_STALL_ERROR", | |
507 | [CC_RESOURCE_ERROR] = "CC_RESOURCE_ERROR", | |
508 | [CC_BANDWIDTH_ERROR] = "CC_BANDWIDTH_ERROR", | |
509 | [CC_NO_SLOTS_ERROR] = "CC_NO_SLOTS_ERROR", | |
510 | [CC_INVALID_STREAM_TYPE_ERROR] = "CC_INVALID_STREAM_TYPE_ERROR", | |
511 | [CC_SLOT_NOT_ENABLED_ERROR] = "CC_SLOT_NOT_ENABLED_ERROR", | |
512 | [CC_EP_NOT_ENABLED_ERROR] = "CC_EP_NOT_ENABLED_ERROR", | |
513 | [CC_SHORT_PACKET] = "CC_SHORT_PACKET", | |
514 | [CC_RING_UNDERRUN] = "CC_RING_UNDERRUN", | |
515 | [CC_RING_OVERRUN] = "CC_RING_OVERRUN", | |
516 | [CC_VF_ER_FULL] = "CC_VF_ER_FULL", | |
517 | [CC_PARAMETER_ERROR] = "CC_PARAMETER_ERROR", | |
518 | [CC_BANDWIDTH_OVERRUN] = "CC_BANDWIDTH_OVERRUN", | |
519 | [CC_CONTEXT_STATE_ERROR] = "CC_CONTEXT_STATE_ERROR", | |
520 | [CC_NO_PING_RESPONSE_ERROR] = "CC_NO_PING_RESPONSE_ERROR", | |
521 | [CC_EVENT_RING_FULL_ERROR] = "CC_EVENT_RING_FULL_ERROR", | |
522 | [CC_INCOMPATIBLE_DEVICE_ERROR] = "CC_INCOMPATIBLE_DEVICE_ERROR", | |
523 | [CC_MISSED_SERVICE_ERROR] = "CC_MISSED_SERVICE_ERROR", | |
524 | [CC_COMMAND_RING_STOPPED] = "CC_COMMAND_RING_STOPPED", | |
525 | [CC_COMMAND_ABORTED] = "CC_COMMAND_ABORTED", | |
526 | [CC_STOPPED] = "CC_STOPPED", | |
527 | [CC_STOPPED_LENGTH_INVALID] = "CC_STOPPED_LENGTH_INVALID", | |
528 | [CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR] | |
529 | = "CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR", | |
530 | [CC_ISOCH_BUFFER_OVERRUN] = "CC_ISOCH_BUFFER_OVERRUN", | |
531 | [CC_EVENT_LOST_ERROR] = "CC_EVENT_LOST_ERROR", | |
532 | [CC_UNDEFINED_ERROR] = "CC_UNDEFINED_ERROR", | |
533 | [CC_INVALID_STREAM_ID_ERROR] = "CC_INVALID_STREAM_ID_ERROR", | |
534 | [CC_SECONDARY_BANDWIDTH_ERROR] = "CC_SECONDARY_BANDWIDTH_ERROR", | |
535 | [CC_SPLIT_TRANSACTION_ERROR] = "CC_SPLIT_TRANSACTION_ERROR", | |
536 | }; | |
537 | ||
f10de44e GH |
538 | static const char *lookup_name(uint32_t index, const char **list, uint32_t llen) |
539 | { | |
540 | if (index >= llen || list[index] == NULL) { | |
541 | return "???"; | |
542 | } | |
543 | return list[index]; | |
544 | } | |
545 | ||
546 | static const char *trb_name(XHCITRB *trb) | |
547 | { | |
548 | return lookup_name(TRB_TYPE(*trb), TRBType_names, | |
549 | ARRAY_SIZE(TRBType_names)); | |
550 | } | |
f10de44e | 551 | |
873123fe GH |
552 | static const char *event_name(XHCIEvent *event) |
553 | { | |
554 | return lookup_name(event->ccode, TRBCCode_names, | |
555 | ARRAY_SIZE(TRBCCode_names)); | |
556 | } | |
557 | ||
01546fa6 GH |
558 | static uint64_t xhci_mfindex_get(XHCIState *xhci) |
559 | { | |
560 | int64_t now = qemu_get_clock_ns(vm_clock); | |
561 | return (now - xhci->mfindex_start) / 125000; | |
562 | } | |
563 | ||
564 | static void xhci_mfwrap_update(XHCIState *xhci) | |
565 | { | |
566 | const uint32_t bits = USBCMD_RS | USBCMD_EWE; | |
567 | uint32_t mfindex, left; | |
568 | int64_t now; | |
569 | ||
570 | if ((xhci->usbcmd & bits) == bits) { | |
571 | now = qemu_get_clock_ns(vm_clock); | |
572 | mfindex = ((now - xhci->mfindex_start) / 125000) & 0x3fff; | |
573 | left = 0x4000 - mfindex; | |
574 | qemu_mod_timer(xhci->mfwrap_timer, now + left * 125000); | |
575 | } else { | |
576 | qemu_del_timer(xhci->mfwrap_timer); | |
577 | } | |
578 | } | |
579 | ||
580 | static void xhci_mfwrap_timer(void *opaque) | |
581 | { | |
582 | XHCIState *xhci = opaque; | |
583 | XHCIEvent wrap = { ER_MFINDEX_WRAP, CC_SUCCESS }; | |
584 | ||
962d11e1 | 585 | xhci_event(xhci, &wrap, 0); |
01546fa6 GH |
586 | xhci_mfwrap_update(xhci); |
587 | } | |
62c6ae04 | 588 | |
59a70ccd | 589 | static inline dma_addr_t xhci_addr64(uint32_t low, uint32_t high) |
62c6ae04 | 590 | { |
59a70ccd DG |
591 | if (sizeof(dma_addr_t) == 4) { |
592 | return low; | |
593 | } else { | |
594 | return low | (((dma_addr_t)high << 16) << 16); | |
595 | } | |
62c6ae04 HM |
596 | } |
597 | ||
59a70ccd | 598 | static inline dma_addr_t xhci_mask64(uint64_t addr) |
62c6ae04 | 599 | { |
59a70ccd DG |
600 | if (sizeof(dma_addr_t) == 4) { |
601 | return addr & 0xffffffff; | |
602 | } else { | |
603 | return addr; | |
604 | } | |
62c6ae04 HM |
605 | } |
606 | ||
0846e635 GH |
607 | static XHCIPort *xhci_lookup_port(XHCIState *xhci, struct USBPort *uport) |
608 | { | |
609 | int index; | |
610 | ||
611 | if (!uport->dev) { | |
612 | return NULL; | |
613 | } | |
614 | switch (uport->dev->speed) { | |
615 | case USB_SPEED_LOW: | |
616 | case USB_SPEED_FULL: | |
617 | case USB_SPEED_HIGH: | |
618 | index = uport->index; | |
619 | break; | |
620 | case USB_SPEED_SUPER: | |
621 | index = uport->index + xhci->numports_2; | |
622 | break; | |
623 | default: | |
624 | return NULL; | |
625 | } | |
626 | return &xhci->ports[index]; | |
627 | } | |
628 | ||
4c4abe7c | 629 | static void xhci_intx_update(XHCIState *xhci) |
62c6ae04 HM |
630 | { |
631 | int level = 0; | |
632 | ||
4c47f800 GH |
633 | if (msix_enabled(&xhci->pci_dev) || |
634 | msi_enabled(&xhci->pci_dev)) { | |
4c4abe7c GH |
635 | return; |
636 | } | |
637 | ||
962d11e1 GH |
638 | if (xhci->intr[0].iman & IMAN_IP && |
639 | xhci->intr[0].iman & IMAN_IE && | |
215bff17 | 640 | xhci->usbcmd & USBCMD_INTE) { |
62c6ae04 HM |
641 | level = 1; |
642 | } | |
643 | ||
4c4abe7c GH |
644 | trace_usb_xhci_irq_intx(level); |
645 | qemu_set_irq(xhci->irq, level); | |
646 | } | |
647 | ||
962d11e1 | 648 | static void xhci_msix_update(XHCIState *xhci, int v) |
4c47f800 GH |
649 | { |
650 | bool enabled; | |
651 | ||
652 | if (!msix_enabled(&xhci->pci_dev)) { | |
653 | return; | |
654 | } | |
655 | ||
962d11e1 GH |
656 | enabled = xhci->intr[v].iman & IMAN_IE; |
657 | if (enabled == xhci->intr[v].msix_used) { | |
4c47f800 GH |
658 | return; |
659 | } | |
660 | ||
661 | if (enabled) { | |
962d11e1 GH |
662 | trace_usb_xhci_irq_msix_use(v); |
663 | msix_vector_use(&xhci->pci_dev, v); | |
664 | xhci->intr[v].msix_used = true; | |
4c47f800 | 665 | } else { |
962d11e1 GH |
666 | trace_usb_xhci_irq_msix_unuse(v); |
667 | msix_vector_unuse(&xhci->pci_dev, v); | |
668 | xhci->intr[v].msix_used = false; | |
4c47f800 GH |
669 | } |
670 | } | |
671 | ||
962d11e1 | 672 | static void xhci_intr_raise(XHCIState *xhci, int v) |
4c4abe7c | 673 | { |
962d11e1 GH |
674 | xhci->intr[v].erdp_low |= ERDP_EHB; |
675 | xhci->intr[v].iman |= IMAN_IP; | |
2cae4119 GH |
676 | xhci->usbsts |= USBSTS_EINT; |
677 | ||
962d11e1 | 678 | if (!(xhci->intr[v].iman & IMAN_IE)) { |
4c4abe7c GH |
679 | return; |
680 | } | |
681 | ||
682 | if (!(xhci->usbcmd & USBCMD_INTE)) { | |
683 | return; | |
684 | } | |
685 | ||
4c47f800 | 686 | if (msix_enabled(&xhci->pci_dev)) { |
962d11e1 GH |
687 | trace_usb_xhci_irq_msix(v); |
688 | msix_notify(&xhci->pci_dev, v); | |
4c47f800 GH |
689 | return; |
690 | } | |
691 | ||
c5e9b02d | 692 | if (msi_enabled(&xhci->pci_dev)) { |
962d11e1 GH |
693 | trace_usb_xhci_irq_msi(v); |
694 | msi_notify(&xhci->pci_dev, v); | |
4c4abe7c | 695 | return; |
62c6ae04 | 696 | } |
4c4abe7c | 697 | |
962d11e1 GH |
698 | if (v == 0) { |
699 | trace_usb_xhci_irq_intx(1); | |
700 | qemu_set_irq(xhci->irq, 1); | |
701 | } | |
62c6ae04 HM |
702 | } |
703 | ||
704 | static inline int xhci_running(XHCIState *xhci) | |
705 | { | |
962d11e1 | 706 | return !(xhci->usbsts & USBSTS_HCH) && !xhci->intr[0].er_full; |
62c6ae04 HM |
707 | } |
708 | ||
709 | static void xhci_die(XHCIState *xhci) | |
710 | { | |
711 | xhci->usbsts |= USBSTS_HCE; | |
712 | fprintf(stderr, "xhci: asserted controller error\n"); | |
713 | } | |
714 | ||
962d11e1 | 715 | static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v) |
62c6ae04 | 716 | { |
962d11e1 | 717 | XHCIInterrupter *intr = &xhci->intr[v]; |
62c6ae04 | 718 | XHCITRB ev_trb; |
59a70ccd | 719 | dma_addr_t addr; |
62c6ae04 HM |
720 | |
721 | ev_trb.parameter = cpu_to_le64(event->ptr); | |
722 | ev_trb.status = cpu_to_le32(event->length | (event->ccode << 24)); | |
723 | ev_trb.control = (event->slotid << 24) | (event->epid << 16) | | |
724 | event->flags | (event->type << TRB_TYPE_SHIFT); | |
962d11e1 | 725 | if (intr->er_pcs) { |
62c6ae04 HM |
726 | ev_trb.control |= TRB_C; |
727 | } | |
728 | ev_trb.control = cpu_to_le32(ev_trb.control); | |
729 | ||
962d11e1 | 730 | trace_usb_xhci_queue_event(v, intr->er_ep_idx, trb_name(&ev_trb), |
873123fe GH |
731 | event_name(event), ev_trb.parameter, |
732 | ev_trb.status, ev_trb.control); | |
62c6ae04 | 733 | |
962d11e1 | 734 | addr = intr->er_start + TRB_SIZE*intr->er_ep_idx; |
59a70ccd | 735 | pci_dma_write(&xhci->pci_dev, addr, &ev_trb, TRB_SIZE); |
62c6ae04 | 736 | |
962d11e1 GH |
737 | intr->er_ep_idx++; |
738 | if (intr->er_ep_idx >= intr->er_size) { | |
739 | intr->er_ep_idx = 0; | |
740 | intr->er_pcs = !intr->er_pcs; | |
62c6ae04 HM |
741 | } |
742 | } | |
743 | ||
962d11e1 | 744 | static void xhci_events_update(XHCIState *xhci, int v) |
62c6ae04 | 745 | { |
962d11e1 | 746 | XHCIInterrupter *intr = &xhci->intr[v]; |
59a70ccd | 747 | dma_addr_t erdp; |
62c6ae04 HM |
748 | unsigned int dp_idx; |
749 | bool do_irq = 0; | |
750 | ||
751 | if (xhci->usbsts & USBSTS_HCH) { | |
752 | return; | |
753 | } | |
754 | ||
962d11e1 GH |
755 | erdp = xhci_addr64(intr->erdp_low, intr->erdp_high); |
756 | if (erdp < intr->er_start || | |
757 | erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) { | |
59a70ccd | 758 | fprintf(stderr, "xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp); |
962d11e1 GH |
759 | fprintf(stderr, "xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n", |
760 | v, intr->er_start, intr->er_size); | |
62c6ae04 HM |
761 | xhci_die(xhci); |
762 | return; | |
763 | } | |
962d11e1 GH |
764 | dp_idx = (erdp - intr->er_start) / TRB_SIZE; |
765 | assert(dp_idx < intr->er_size); | |
62c6ae04 HM |
766 | |
767 | /* NEC didn't read section 4.9.4 of the spec (v1.0 p139 top Note) and thus | |
768 | * deadlocks when the ER is full. Hack it by holding off events until | |
769 | * the driver decides to free at least half of the ring */ | |
962d11e1 GH |
770 | if (intr->er_full) { |
771 | int er_free = dp_idx - intr->er_ep_idx; | |
62c6ae04 | 772 | if (er_free <= 0) { |
962d11e1 | 773 | er_free += intr->er_size; |
62c6ae04 | 774 | } |
962d11e1 | 775 | if (er_free < (intr->er_size/2)) { |
62c6ae04 HM |
776 | DPRINTF("xhci_events_update(): event ring still " |
777 | "more than half full (hack)\n"); | |
778 | return; | |
779 | } | |
780 | } | |
781 | ||
962d11e1 GH |
782 | while (intr->ev_buffer_put != intr->ev_buffer_get) { |
783 | assert(intr->er_full); | |
784 | if (((intr->er_ep_idx+1) % intr->er_size) == dp_idx) { | |
62c6ae04 HM |
785 | DPRINTF("xhci_events_update(): event ring full again\n"); |
786 | #ifndef ER_FULL_HACK | |
787 | XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR}; | |
962d11e1 | 788 | xhci_write_event(xhci, &full, v); |
62c6ae04 HM |
789 | #endif |
790 | do_irq = 1; | |
791 | break; | |
792 | } | |
962d11e1 GH |
793 | XHCIEvent *event = &intr->ev_buffer[intr->ev_buffer_get]; |
794 | xhci_write_event(xhci, event, v); | |
795 | intr->ev_buffer_get++; | |
62c6ae04 | 796 | do_irq = 1; |
962d11e1 GH |
797 | if (intr->ev_buffer_get == EV_QUEUE) { |
798 | intr->ev_buffer_get = 0; | |
62c6ae04 HM |
799 | } |
800 | } | |
801 | ||
802 | if (do_irq) { | |
962d11e1 | 803 | xhci_intr_raise(xhci, v); |
62c6ae04 HM |
804 | } |
805 | ||
962d11e1 | 806 | if (intr->er_full && intr->ev_buffer_put == intr->ev_buffer_get) { |
62c6ae04 | 807 | DPRINTF("xhci_events_update(): event ring no longer full\n"); |
962d11e1 | 808 | intr->er_full = 0; |
62c6ae04 | 809 | } |
62c6ae04 HM |
810 | } |
811 | ||
962d11e1 | 812 | static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v) |
62c6ae04 | 813 | { |
2d1de850 | 814 | XHCIInterrupter *intr; |
59a70ccd | 815 | dma_addr_t erdp; |
62c6ae04 HM |
816 | unsigned int dp_idx; |
817 | ||
2d1de850 GH |
818 | if (v >= MAXINTRS) { |
819 | DPRINTF("intr nr out of range (%d >= %d)\n", v, MAXINTRS); | |
820 | return; | |
821 | } | |
822 | intr = &xhci->intr[v]; | |
823 | ||
962d11e1 | 824 | if (intr->er_full) { |
62c6ae04 | 825 | DPRINTF("xhci_event(): ER full, queueing\n"); |
962d11e1 | 826 | if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) { |
62c6ae04 HM |
827 | fprintf(stderr, "xhci: event queue full, dropping event!\n"); |
828 | return; | |
829 | } | |
962d11e1 GH |
830 | intr->ev_buffer[intr->ev_buffer_put++] = *event; |
831 | if (intr->ev_buffer_put == EV_QUEUE) { | |
832 | intr->ev_buffer_put = 0; | |
62c6ae04 HM |
833 | } |
834 | return; | |
835 | } | |
836 | ||
962d11e1 GH |
837 | erdp = xhci_addr64(intr->erdp_low, intr->erdp_high); |
838 | if (erdp < intr->er_start || | |
839 | erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) { | |
59a70ccd | 840 | fprintf(stderr, "xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp); |
962d11e1 GH |
841 | fprintf(stderr, "xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n", |
842 | v, intr->er_start, intr->er_size); | |
62c6ae04 HM |
843 | xhci_die(xhci); |
844 | return; | |
845 | } | |
846 | ||
962d11e1 GH |
847 | dp_idx = (erdp - intr->er_start) / TRB_SIZE; |
848 | assert(dp_idx < intr->er_size); | |
62c6ae04 | 849 | |
962d11e1 | 850 | if ((intr->er_ep_idx+1) % intr->er_size == dp_idx) { |
62c6ae04 HM |
851 | DPRINTF("xhci_event(): ER full, queueing\n"); |
852 | #ifndef ER_FULL_HACK | |
853 | XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR}; | |
854 | xhci_write_event(xhci, &full); | |
855 | #endif | |
962d11e1 GH |
856 | intr->er_full = 1; |
857 | if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) { | |
62c6ae04 HM |
858 | fprintf(stderr, "xhci: event queue full, dropping event!\n"); |
859 | return; | |
860 | } | |
962d11e1 GH |
861 | intr->ev_buffer[intr->ev_buffer_put++] = *event; |
862 | if (intr->ev_buffer_put == EV_QUEUE) { | |
863 | intr->ev_buffer_put = 0; | |
62c6ae04 HM |
864 | } |
865 | } else { | |
962d11e1 | 866 | xhci_write_event(xhci, event, v); |
62c6ae04 HM |
867 | } |
868 | ||
962d11e1 | 869 | xhci_intr_raise(xhci, v); |
62c6ae04 HM |
870 | } |
871 | ||
872 | static void xhci_ring_init(XHCIState *xhci, XHCIRing *ring, | |
59a70ccd | 873 | dma_addr_t base) |
62c6ae04 HM |
874 | { |
875 | ring->base = base; | |
876 | ring->dequeue = base; | |
877 | ring->ccs = 1; | |
878 | } | |
879 | ||
880 | static TRBType xhci_ring_fetch(XHCIState *xhci, XHCIRing *ring, XHCITRB *trb, | |
59a70ccd | 881 | dma_addr_t *addr) |
62c6ae04 HM |
882 | { |
883 | while (1) { | |
884 | TRBType type; | |
59a70ccd | 885 | pci_dma_read(&xhci->pci_dev, ring->dequeue, trb, TRB_SIZE); |
62c6ae04 HM |
886 | trb->addr = ring->dequeue; |
887 | trb->ccs = ring->ccs; | |
888 | le64_to_cpus(&trb->parameter); | |
889 | le32_to_cpus(&trb->status); | |
890 | le32_to_cpus(&trb->control); | |
891 | ||
0703a4a7 GH |
892 | trace_usb_xhci_fetch_trb(ring->dequeue, trb_name(trb), |
893 | trb->parameter, trb->status, trb->control); | |
62c6ae04 HM |
894 | |
895 | if ((trb->control & TRB_C) != ring->ccs) { | |
896 | return 0; | |
897 | } | |
898 | ||
899 | type = TRB_TYPE(*trb); | |
900 | ||
901 | if (type != TR_LINK) { | |
902 | if (addr) { | |
903 | *addr = ring->dequeue; | |
904 | } | |
905 | ring->dequeue += TRB_SIZE; | |
906 | return type; | |
907 | } else { | |
908 | ring->dequeue = xhci_mask64(trb->parameter); | |
909 | if (trb->control & TRB_LK_TC) { | |
910 | ring->ccs = !ring->ccs; | |
911 | } | |
912 | } | |
913 | } | |
914 | } | |
915 | ||
916 | static int xhci_ring_chain_length(XHCIState *xhci, const XHCIRing *ring) | |
917 | { | |
918 | XHCITRB trb; | |
919 | int length = 0; | |
59a70ccd | 920 | dma_addr_t dequeue = ring->dequeue; |
62c6ae04 HM |
921 | bool ccs = ring->ccs; |
922 | /* hack to bundle together the two/three TDs that make a setup transfer */ | |
923 | bool control_td_set = 0; | |
924 | ||
925 | while (1) { | |
926 | TRBType type; | |
59a70ccd | 927 | pci_dma_read(&xhci->pci_dev, dequeue, &trb, TRB_SIZE); |
62c6ae04 HM |
928 | le64_to_cpus(&trb.parameter); |
929 | le32_to_cpus(&trb.status); | |
930 | le32_to_cpus(&trb.control); | |
931 | ||
62c6ae04 HM |
932 | if ((trb.control & TRB_C) != ccs) { |
933 | return -length; | |
934 | } | |
935 | ||
936 | type = TRB_TYPE(trb); | |
937 | ||
938 | if (type == TR_LINK) { | |
939 | dequeue = xhci_mask64(trb.parameter); | |
940 | if (trb.control & TRB_LK_TC) { | |
941 | ccs = !ccs; | |
942 | } | |
943 | continue; | |
944 | } | |
945 | ||
946 | length += 1; | |
947 | dequeue += TRB_SIZE; | |
948 | ||
949 | if (type == TR_SETUP) { | |
950 | control_td_set = 1; | |
951 | } else if (type == TR_STATUS) { | |
952 | control_td_set = 0; | |
953 | } | |
954 | ||
955 | if (!control_td_set && !(trb.control & TRB_TR_CH)) { | |
956 | return length; | |
957 | } | |
958 | } | |
959 | } | |
960 | ||
962d11e1 | 961 | static void xhci_er_reset(XHCIState *xhci, int v) |
62c6ae04 | 962 | { |
962d11e1 | 963 | XHCIInterrupter *intr = &xhci->intr[v]; |
62c6ae04 HM |
964 | XHCIEvRingSeg seg; |
965 | ||
966 | /* cache the (sole) event ring segment location */ | |
962d11e1 GH |
967 | if (intr->erstsz != 1) { |
968 | fprintf(stderr, "xhci: invalid value for ERSTSZ: %d\n", intr->erstsz); | |
62c6ae04 HM |
969 | xhci_die(xhci); |
970 | return; | |
971 | } | |
962d11e1 | 972 | dma_addr_t erstba = xhci_addr64(intr->erstba_low, intr->erstba_high); |
59a70ccd | 973 | pci_dma_read(&xhci->pci_dev, erstba, &seg, sizeof(seg)); |
62c6ae04 HM |
974 | le32_to_cpus(&seg.addr_low); |
975 | le32_to_cpus(&seg.addr_high); | |
976 | le32_to_cpus(&seg.size); | |
977 | if (seg.size < 16 || seg.size > 4096) { | |
978 | fprintf(stderr, "xhci: invalid value for segment size: %d\n", seg.size); | |
979 | xhci_die(xhci); | |
980 | return; | |
981 | } | |
962d11e1 GH |
982 | intr->er_start = xhci_addr64(seg.addr_low, seg.addr_high); |
983 | intr->er_size = seg.size; | |
62c6ae04 | 984 | |
962d11e1 GH |
985 | intr->er_ep_idx = 0; |
986 | intr->er_pcs = 1; | |
987 | intr->er_full = 0; | |
62c6ae04 | 988 | |
962d11e1 GH |
989 | DPRINTF("xhci: event ring[%d]:" DMA_ADDR_FMT " [%d]\n", |
990 | v, intr->er_start, intr->er_size); | |
62c6ae04 HM |
991 | } |
992 | ||
993 | static void xhci_run(XHCIState *xhci) | |
994 | { | |
fc0ddaca | 995 | trace_usb_xhci_run(); |
62c6ae04 | 996 | xhci->usbsts &= ~USBSTS_HCH; |
01546fa6 | 997 | xhci->mfindex_start = qemu_get_clock_ns(vm_clock); |
62c6ae04 HM |
998 | } |
999 | ||
1000 | static void xhci_stop(XHCIState *xhci) | |
1001 | { | |
fc0ddaca | 1002 | trace_usb_xhci_stop(); |
62c6ae04 HM |
1003 | xhci->usbsts |= USBSTS_HCH; |
1004 | xhci->crcr_low &= ~CRCR_CRR; | |
1005 | } | |
1006 | ||
1007 | static void xhci_set_ep_state(XHCIState *xhci, XHCIEPContext *epctx, | |
1008 | uint32_t state) | |
1009 | { | |
1010 | uint32_t ctx[5]; | |
1011 | if (epctx->state == state) { | |
1012 | return; | |
1013 | } | |
1014 | ||
59a70ccd | 1015 | pci_dma_read(&xhci->pci_dev, epctx->pctx, ctx, sizeof(ctx)); |
62c6ae04 HM |
1016 | ctx[0] &= ~EP_STATE_MASK; |
1017 | ctx[0] |= state; | |
1018 | ctx[2] = epctx->ring.dequeue | epctx->ring.ccs; | |
1019 | ctx[3] = (epctx->ring.dequeue >> 16) >> 16; | |
59a70ccd | 1020 | DPRINTF("xhci: set epctx: " DMA_ADDR_FMT " state=%d dequeue=%08x%08x\n", |
62c6ae04 | 1021 | epctx->pctx, state, ctx[3], ctx[2]); |
59a70ccd | 1022 | pci_dma_write(&xhci->pci_dev, epctx->pctx, ctx, sizeof(ctx)); |
62c6ae04 HM |
1023 | epctx->state = state; |
1024 | } | |
1025 | ||
3d139684 GH |
1026 | static void xhci_ep_kick_timer(void *opaque) |
1027 | { | |
1028 | XHCIEPContext *epctx = opaque; | |
1029 | xhci_kick_ep(epctx->xhci, epctx->slotid, epctx->epid); | |
1030 | } | |
1031 | ||
62c6ae04 | 1032 | static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid, |
59a70ccd | 1033 | unsigned int epid, dma_addr_t pctx, |
62c6ae04 HM |
1034 | uint32_t *ctx) |
1035 | { | |
1036 | XHCISlot *slot; | |
1037 | XHCIEPContext *epctx; | |
59a70ccd | 1038 | dma_addr_t dequeue; |
62c6ae04 HM |
1039 | int i; |
1040 | ||
c1f6b493 | 1041 | trace_usb_xhci_ep_enable(slotid, epid); |
62c6ae04 HM |
1042 | assert(slotid >= 1 && slotid <= MAXSLOTS); |
1043 | assert(epid >= 1 && epid <= 31); | |
1044 | ||
62c6ae04 HM |
1045 | slot = &xhci->slots[slotid-1]; |
1046 | if (slot->eps[epid-1]) { | |
1047 | fprintf(stderr, "xhci: slot %d ep %d already enabled!\n", slotid, epid); | |
1048 | return CC_TRB_ERROR; | |
1049 | } | |
1050 | ||
1051 | epctx = g_malloc(sizeof(XHCIEPContext)); | |
1052 | memset(epctx, 0, sizeof(XHCIEPContext)); | |
3d139684 GH |
1053 | epctx->xhci = xhci; |
1054 | epctx->slotid = slotid; | |
1055 | epctx->epid = epid; | |
62c6ae04 HM |
1056 | |
1057 | slot->eps[epid-1] = epctx; | |
1058 | ||
1059 | dequeue = xhci_addr64(ctx[2] & ~0xf, ctx[3]); | |
1060 | xhci_ring_init(xhci, &epctx->ring, dequeue); | |
1061 | epctx->ring.ccs = ctx[2] & 1; | |
1062 | ||
1063 | epctx->type = (ctx[1] >> EP_TYPE_SHIFT) & EP_TYPE_MASK; | |
1064 | DPRINTF("xhci: endpoint %d.%d type is %d\n", epid/2, epid%2, epctx->type); | |
1065 | epctx->pctx = pctx; | |
1066 | epctx->max_psize = ctx[1]>>16; | |
1067 | epctx->max_psize *= 1+((ctx[1]>>8)&0xff); | |
62c6ae04 HM |
1068 | DPRINTF("xhci: endpoint %d.%d max transaction (burst) size is %d\n", |
1069 | epid/2, epid%2, epctx->max_psize); | |
1070 | for (i = 0; i < ARRAY_SIZE(epctx->transfers); i++) { | |
1071 | usb_packet_init(&epctx->transfers[i].packet); | |
1072 | } | |
1073 | ||
3d139684 GH |
1074 | epctx->interval = 1 << (ctx[0] >> 16) & 0xff; |
1075 | epctx->mfindex_last = 0; | |
1076 | epctx->kick_timer = qemu_new_timer_ns(vm_clock, xhci_ep_kick_timer, epctx); | |
1077 | ||
62c6ae04 HM |
1078 | epctx->state = EP_RUNNING; |
1079 | ctx[0] &= ~EP_STATE_MASK; | |
1080 | ctx[0] |= EP_RUNNING; | |
1081 | ||
1082 | return CC_SUCCESS; | |
1083 | } | |
1084 | ||
3151f209 HG |
1085 | static int xhci_ep_nuke_one_xfer(XHCITransfer *t) |
1086 | { | |
1087 | int killed = 0; | |
1088 | ||
1089 | if (t->running_async) { | |
1090 | usb_cancel_packet(&t->packet); | |
1091 | t->running_async = 0; | |
1092 | t->cancelled = 1; | |
1093 | DPRINTF("xhci: cancelling transfer, waiting for it to complete\n"); | |
1094 | killed = 1; | |
1095 | } | |
1096 | if (t->running_retry) { | |
1097 | XHCIEPContext *epctx = t->xhci->slots[t->slotid-1].eps[t->epid-1]; | |
1098 | if (epctx) { | |
1099 | epctx->retry = NULL; | |
1100 | qemu_del_timer(epctx->kick_timer); | |
1101 | } | |
1102 | t->running_retry = 0; | |
1103 | } | |
1104 | if (t->trbs) { | |
1105 | g_free(t->trbs); | |
1106 | } | |
1107 | ||
1108 | t->trbs = NULL; | |
1109 | t->trb_count = t->trb_alloced = 0; | |
1110 | ||
1111 | return killed; | |
1112 | } | |
1113 | ||
62c6ae04 HM |
1114 | static int xhci_ep_nuke_xfers(XHCIState *xhci, unsigned int slotid, |
1115 | unsigned int epid) | |
1116 | { | |
1117 | XHCISlot *slot; | |
1118 | XHCIEPContext *epctx; | |
1119 | int i, xferi, killed = 0; | |
1120 | assert(slotid >= 1 && slotid <= MAXSLOTS); | |
1121 | assert(epid >= 1 && epid <= 31); | |
1122 | ||
1123 | DPRINTF("xhci_ep_nuke_xfers(%d, %d)\n", slotid, epid); | |
1124 | ||
1125 | slot = &xhci->slots[slotid-1]; | |
1126 | ||
1127 | if (!slot->eps[epid-1]) { | |
1128 | return 0; | |
1129 | } | |
1130 | ||
1131 | epctx = slot->eps[epid-1]; | |
1132 | ||
1133 | xferi = epctx->next_xfer; | |
1134 | for (i = 0; i < TD_QUEUE; i++) { | |
3151f209 | 1135 | killed += xhci_ep_nuke_one_xfer(&epctx->transfers[xferi]); |
62c6ae04 HM |
1136 | xferi = (xferi + 1) % TD_QUEUE; |
1137 | } | |
62c6ae04 HM |
1138 | return killed; |
1139 | } | |
1140 | ||
1141 | static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, | |
1142 | unsigned int epid) | |
1143 | { | |
1144 | XHCISlot *slot; | |
1145 | XHCIEPContext *epctx; | |
1146 | ||
c1f6b493 | 1147 | trace_usb_xhci_ep_disable(slotid, epid); |
62c6ae04 HM |
1148 | assert(slotid >= 1 && slotid <= MAXSLOTS); |
1149 | assert(epid >= 1 && epid <= 31); | |
1150 | ||
62c6ae04 HM |
1151 | slot = &xhci->slots[slotid-1]; |
1152 | ||
1153 | if (!slot->eps[epid-1]) { | |
1154 | DPRINTF("xhci: slot %d ep %d already disabled\n", slotid, epid); | |
1155 | return CC_SUCCESS; | |
1156 | } | |
1157 | ||
1158 | xhci_ep_nuke_xfers(xhci, slotid, epid); | |
1159 | ||
1160 | epctx = slot->eps[epid-1]; | |
1161 | ||
1162 | xhci_set_ep_state(xhci, epctx, EP_DISABLED); | |
1163 | ||
3d139684 | 1164 | qemu_free_timer(epctx->kick_timer); |
62c6ae04 HM |
1165 | g_free(epctx); |
1166 | slot->eps[epid-1] = NULL; | |
1167 | ||
1168 | return CC_SUCCESS; | |
1169 | } | |
1170 | ||
1171 | static TRBCCode xhci_stop_ep(XHCIState *xhci, unsigned int slotid, | |
1172 | unsigned int epid) | |
1173 | { | |
1174 | XHCISlot *slot; | |
1175 | XHCIEPContext *epctx; | |
1176 | ||
c1f6b493 | 1177 | trace_usb_xhci_ep_stop(slotid, epid); |
62c6ae04 HM |
1178 | assert(slotid >= 1 && slotid <= MAXSLOTS); |
1179 | ||
1180 | if (epid < 1 || epid > 31) { | |
1181 | fprintf(stderr, "xhci: bad ep %d\n", epid); | |
1182 | return CC_TRB_ERROR; | |
1183 | } | |
1184 | ||
1185 | slot = &xhci->slots[slotid-1]; | |
1186 | ||
1187 | if (!slot->eps[epid-1]) { | |
1188 | DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); | |
1189 | return CC_EP_NOT_ENABLED_ERROR; | |
1190 | } | |
1191 | ||
1192 | if (xhci_ep_nuke_xfers(xhci, slotid, epid) > 0) { | |
1193 | fprintf(stderr, "xhci: FIXME: endpoint stopped w/ xfers running, " | |
1194 | "data might be lost\n"); | |
1195 | } | |
1196 | ||
1197 | epctx = slot->eps[epid-1]; | |
1198 | ||
1199 | xhci_set_ep_state(xhci, epctx, EP_STOPPED); | |
1200 | ||
1201 | return CC_SUCCESS; | |
1202 | } | |
1203 | ||
1204 | static TRBCCode xhci_reset_ep(XHCIState *xhci, unsigned int slotid, | |
1205 | unsigned int epid) | |
1206 | { | |
1207 | XHCISlot *slot; | |
1208 | XHCIEPContext *epctx; | |
1209 | USBDevice *dev; | |
1210 | ||
c1f6b493 | 1211 | trace_usb_xhci_ep_reset(slotid, epid); |
62c6ae04 HM |
1212 | assert(slotid >= 1 && slotid <= MAXSLOTS); |
1213 | ||
62c6ae04 HM |
1214 | if (epid < 1 || epid > 31) { |
1215 | fprintf(stderr, "xhci: bad ep %d\n", epid); | |
1216 | return CC_TRB_ERROR; | |
1217 | } | |
1218 | ||
1219 | slot = &xhci->slots[slotid-1]; | |
1220 | ||
1221 | if (!slot->eps[epid-1]) { | |
1222 | DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); | |
1223 | return CC_EP_NOT_ENABLED_ERROR; | |
1224 | } | |
1225 | ||
1226 | epctx = slot->eps[epid-1]; | |
1227 | ||
1228 | if (epctx->state != EP_HALTED) { | |
1229 | fprintf(stderr, "xhci: reset EP while EP %d not halted (%d)\n", | |
1230 | epid, epctx->state); | |
1231 | return CC_CONTEXT_STATE_ERROR; | |
1232 | } | |
1233 | ||
1234 | if (xhci_ep_nuke_xfers(xhci, slotid, epid) > 0) { | |
1235 | fprintf(stderr, "xhci: FIXME: endpoint reset w/ xfers running, " | |
1236 | "data might be lost\n"); | |
1237 | } | |
1238 | ||
1239 | uint8_t ep = epid>>1; | |
1240 | ||
1241 | if (epid & 1) { | |
1242 | ep |= 0x80; | |
1243 | } | |
1244 | ||
ccaf87a0 | 1245 | dev = xhci->slots[slotid-1].uport->dev; |
62c6ae04 HM |
1246 | if (!dev) { |
1247 | return CC_USB_TRANSACTION_ERROR; | |
1248 | } | |
1249 | ||
1250 | xhci_set_ep_state(xhci, epctx, EP_STOPPED); | |
1251 | ||
1252 | return CC_SUCCESS; | |
1253 | } | |
1254 | ||
1255 | static TRBCCode xhci_set_ep_dequeue(XHCIState *xhci, unsigned int slotid, | |
1256 | unsigned int epid, uint64_t pdequeue) | |
1257 | { | |
1258 | XHCISlot *slot; | |
1259 | XHCIEPContext *epctx; | |
59a70ccd | 1260 | dma_addr_t dequeue; |
62c6ae04 HM |
1261 | |
1262 | assert(slotid >= 1 && slotid <= MAXSLOTS); | |
1263 | ||
1264 | if (epid < 1 || epid > 31) { | |
1265 | fprintf(stderr, "xhci: bad ep %d\n", epid); | |
1266 | return CC_TRB_ERROR; | |
1267 | } | |
1268 | ||
d829fde9 | 1269 | trace_usb_xhci_ep_set_dequeue(slotid, epid, pdequeue); |
62c6ae04 HM |
1270 | dequeue = xhci_mask64(pdequeue); |
1271 | ||
1272 | slot = &xhci->slots[slotid-1]; | |
1273 | ||
1274 | if (!slot->eps[epid-1]) { | |
1275 | DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); | |
1276 | return CC_EP_NOT_ENABLED_ERROR; | |
1277 | } | |
1278 | ||
1279 | epctx = slot->eps[epid-1]; | |
1280 | ||
1281 | ||
1282 | if (epctx->state != EP_STOPPED) { | |
1283 | fprintf(stderr, "xhci: set EP dequeue pointer while EP %d not stopped\n", epid); | |
1284 | return CC_CONTEXT_STATE_ERROR; | |
1285 | } | |
1286 | ||
1287 | xhci_ring_init(xhci, &epctx->ring, dequeue & ~0xF); | |
1288 | epctx->ring.ccs = dequeue & 1; | |
1289 | ||
1290 | xhci_set_ep_state(xhci, epctx, EP_STOPPED); | |
1291 | ||
1292 | return CC_SUCCESS; | |
1293 | } | |
1294 | ||
d5a15814 | 1295 | static int xhci_xfer_map(XHCITransfer *xfer) |
62c6ae04 | 1296 | { |
d5a15814 | 1297 | int in_xfer = (xfer->packet.pid == USB_TOKEN_IN); |
62c6ae04 | 1298 | XHCIState *xhci = xfer->xhci; |
d5a15814 | 1299 | int i; |
62c6ae04 | 1300 | |
d5a15814 | 1301 | pci_dma_sglist_init(&xfer->sgl, &xhci->pci_dev, xfer->trb_count); |
62c6ae04 HM |
1302 | for (i = 0; i < xfer->trb_count; i++) { |
1303 | XHCITRB *trb = &xfer->trbs[i]; | |
59a70ccd | 1304 | dma_addr_t addr; |
62c6ae04 HM |
1305 | unsigned int chunk = 0; |
1306 | ||
1307 | switch (TRB_TYPE(*trb)) { | |
1308 | case TR_DATA: | |
1309 | if ((!(trb->control & TRB_TR_DIR)) != (!in_xfer)) { | |
1310 | fprintf(stderr, "xhci: data direction mismatch for TR_DATA\n"); | |
d5a15814 | 1311 | goto err; |
62c6ae04 HM |
1312 | } |
1313 | /* fallthrough */ | |
1314 | case TR_NORMAL: | |
1315 | case TR_ISOCH: | |
1316 | addr = xhci_mask64(trb->parameter); | |
d5a15814 GH |
1317 | chunk = trb->status & 0x1ffff; |
1318 | if (trb->control & TRB_TR_IDT) { | |
1319 | if (chunk > 8 || in_xfer) { | |
1320 | fprintf(stderr, "xhci: invalid immediate data TRB\n"); | |
1321 | goto err; | |
1322 | } | |
1323 | qemu_sglist_add(&xfer->sgl, trb->addr, chunk); | |
1324 | } else { | |
1325 | qemu_sglist_add(&xfer->sgl, addr, chunk); | |
1326 | } | |
1327 | break; | |
1328 | } | |
1329 | } | |
1330 | ||
1331 | usb_packet_map(&xfer->packet, &xfer->sgl); | |
1332 | return 0; | |
1333 | ||
1334 | err: | |
1335 | qemu_sglist_destroy(&xfer->sgl); | |
1336 | xhci_die(xhci); | |
1337 | return -1; | |
1338 | } | |
1339 | ||
1340 | static void xhci_xfer_unmap(XHCITransfer *xfer) | |
1341 | { | |
1342 | usb_packet_unmap(&xfer->packet, &xfer->sgl); | |
1343 | qemu_sglist_destroy(&xfer->sgl); | |
1344 | } | |
1345 | ||
1346 | static void xhci_xfer_report(XHCITransfer *xfer) | |
1347 | { | |
1348 | uint32_t edtla = 0; | |
1349 | unsigned int left; | |
1350 | bool reported = 0; | |
1351 | bool shortpkt = 0; | |
1352 | XHCIEvent event = {ER_TRANSFER, CC_SUCCESS}; | |
1353 | XHCIState *xhci = xfer->xhci; | |
1354 | int i; | |
1355 | ||
1356 | left = xfer->packet.result < 0 ? 0 : xfer->packet.result; | |
1357 | ||
1358 | for (i = 0; i < xfer->trb_count; i++) { | |
1359 | XHCITRB *trb = &xfer->trbs[i]; | |
1360 | unsigned int chunk = 0; | |
1361 | ||
1362 | switch (TRB_TYPE(*trb)) { | |
1363 | case TR_DATA: | |
1364 | case TR_NORMAL: | |
1365 | case TR_ISOCH: | |
62c6ae04 HM |
1366 | chunk = trb->status & 0x1ffff; |
1367 | if (chunk > left) { | |
1368 | chunk = left; | |
d5a15814 GH |
1369 | if (xfer->status == CC_SUCCESS) { |
1370 | shortpkt = 1; | |
62c6ae04 HM |
1371 | } |
1372 | } | |
1373 | left -= chunk; | |
62c6ae04 | 1374 | edtla += chunk; |
62c6ae04 HM |
1375 | break; |
1376 | case TR_STATUS: | |
1377 | reported = 0; | |
1378 | shortpkt = 0; | |
1379 | break; | |
1380 | } | |
1381 | ||
d5a15814 GH |
1382 | if (!reported && ((trb->control & TRB_TR_IOC) || |
1383 | (shortpkt && (trb->control & TRB_TR_ISP)) || | |
1384 | (xfer->status != CC_SUCCESS))) { | |
62c6ae04 HM |
1385 | event.slotid = xfer->slotid; |
1386 | event.epid = xfer->epid; | |
1387 | event.length = (trb->status & 0x1ffff) - chunk; | |
1388 | event.flags = 0; | |
1389 | event.ptr = trb->addr; | |
1390 | if (xfer->status == CC_SUCCESS) { | |
1391 | event.ccode = shortpkt ? CC_SHORT_PACKET : CC_SUCCESS; | |
1392 | } else { | |
1393 | event.ccode = xfer->status; | |
1394 | } | |
1395 | if (TRB_TYPE(*trb) == TR_EVDATA) { | |
1396 | event.ptr = trb->parameter; | |
1397 | event.flags |= TRB_EV_ED; | |
1398 | event.length = edtla & 0xffffff; | |
1399 | DPRINTF("xhci_xfer_data: EDTLA=%d\n", event.length); | |
1400 | edtla = 0; | |
1401 | } | |
2d1de850 | 1402 | xhci_event(xhci, &event, TRB_INTR(*trb)); |
62c6ae04 | 1403 | reported = 1; |
d5a15814 GH |
1404 | if (xfer->status != CC_SUCCESS) { |
1405 | return; | |
1406 | } | |
62c6ae04 HM |
1407 | } |
1408 | } | |
62c6ae04 HM |
1409 | } |
1410 | ||
1411 | static void xhci_stall_ep(XHCITransfer *xfer) | |
1412 | { | |
1413 | XHCIState *xhci = xfer->xhci; | |
1414 | XHCISlot *slot = &xhci->slots[xfer->slotid-1]; | |
1415 | XHCIEPContext *epctx = slot->eps[xfer->epid-1]; | |
1416 | ||
1417 | epctx->ring.dequeue = xfer->trbs[0].addr; | |
1418 | epctx->ring.ccs = xfer->trbs[0].ccs; | |
1419 | xhci_set_ep_state(xhci, epctx, EP_HALTED); | |
1420 | DPRINTF("xhci: stalled slot %d ep %d\n", xfer->slotid, xfer->epid); | |
59a70ccd | 1421 | DPRINTF("xhci: will continue at "DMA_ADDR_FMT"\n", epctx->ring.dequeue); |
62c6ae04 HM |
1422 | } |
1423 | ||
1424 | static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, | |
1425 | XHCIEPContext *epctx); | |
1426 | ||
5c08106f GH |
1427 | static int xhci_setup_packet(XHCITransfer *xfer) |
1428 | { | |
1429 | XHCIState *xhci = xfer->xhci; | |
5c08106f | 1430 | USBDevice *dev; |
079d0b7f GH |
1431 | USBEndpoint *ep; |
1432 | int dir; | |
1433 | ||
1434 | dir = xfer->in_xfer ? USB_TOKEN_IN : USB_TOKEN_OUT; | |
5c08106f GH |
1435 | |
1436 | if (xfer->packet.ep) { | |
1437 | ep = xfer->packet.ep; | |
1438 | dev = ep->dev; | |
1439 | } else { | |
ccaf87a0 GH |
1440 | if (!xhci->slots[xfer->slotid-1].uport) { |
1441 | fprintf(stderr, "xhci: slot %d has no device\n", | |
1442 | xfer->slotid); | |
5c08106f GH |
1443 | return -1; |
1444 | } | |
ccaf87a0 | 1445 | dev = xhci->slots[xfer->slotid-1].uport->dev; |
5c08106f GH |
1446 | ep = usb_ep_get(dev, dir, xfer->epid >> 1); |
1447 | } | |
1448 | ||
e983395d | 1449 | usb_packet_setup(&xfer->packet, dir, ep, xfer->trbs[0].addr); |
d5a15814 | 1450 | xhci_xfer_map(xfer); |
62c6ae04 | 1451 | DPRINTF("xhci: setup packet pid 0x%x addr %d ep %d\n", |
079d0b7f | 1452 | xfer->packet.pid, dev->addr, ep->nr); |
62c6ae04 HM |
1453 | return 0; |
1454 | } | |
1455 | ||
1456 | static int xhci_complete_packet(XHCITransfer *xfer, int ret) | |
1457 | { | |
1458 | if (ret == USB_RET_ASYNC) { | |
97df650b | 1459 | trace_usb_xhci_xfer_async(xfer); |
7c605a23 GH |
1460 | xfer->running_async = 1; |
1461 | xfer->running_retry = 0; | |
1462 | xfer->complete = 0; | |
1463 | xfer->cancelled = 0; | |
1464 | return 0; | |
1465 | } else if (ret == USB_RET_NAK) { | |
97df650b | 1466 | trace_usb_xhci_xfer_nak(xfer); |
7c605a23 GH |
1467 | xfer->running_async = 0; |
1468 | xfer->running_retry = 1; | |
62c6ae04 HM |
1469 | xfer->complete = 0; |
1470 | xfer->cancelled = 0; | |
1471 | return 0; | |
1472 | } else { | |
7c605a23 GH |
1473 | xfer->running_async = 0; |
1474 | xfer->running_retry = 0; | |
62c6ae04 | 1475 | xfer->complete = 1; |
d5a15814 | 1476 | xhci_xfer_unmap(xfer); |
62c6ae04 HM |
1477 | } |
1478 | ||
1479 | if (ret >= 0) { | |
97df650b | 1480 | trace_usb_xhci_xfer_success(xfer, ret); |
d5a15814 GH |
1481 | xfer->status = CC_SUCCESS; |
1482 | xhci_xfer_report(xfer); | |
62c6ae04 HM |
1483 | return 0; |
1484 | } | |
1485 | ||
1486 | /* error */ | |
97df650b | 1487 | trace_usb_xhci_xfer_error(xfer, ret); |
62c6ae04 HM |
1488 | switch (ret) { |
1489 | case USB_RET_NODEV: | |
1490 | xfer->status = CC_USB_TRANSACTION_ERROR; | |
d5a15814 | 1491 | xhci_xfer_report(xfer); |
62c6ae04 HM |
1492 | xhci_stall_ep(xfer); |
1493 | break; | |
1494 | case USB_RET_STALL: | |
1495 | xfer->status = CC_STALL_ERROR; | |
d5a15814 | 1496 | xhci_xfer_report(xfer); |
62c6ae04 HM |
1497 | xhci_stall_ep(xfer); |
1498 | break; | |
1499 | default: | |
1500 | fprintf(stderr, "%s: FIXME: ret = %d\n", __FUNCTION__, ret); | |
1501 | FIXME(); | |
1502 | } | |
1503 | return 0; | |
1504 | } | |
1505 | ||
1506 | static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer) | |
1507 | { | |
1508 | XHCITRB *trb_setup, *trb_status; | |
2850ca9e | 1509 | uint8_t bmRequestType; |
62c6ae04 HM |
1510 | int ret; |
1511 | ||
62c6ae04 HM |
1512 | trb_setup = &xfer->trbs[0]; |
1513 | trb_status = &xfer->trbs[xfer->trb_count-1]; | |
1514 | ||
d5a15814 | 1515 | trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid); |
97df650b | 1516 | |
62c6ae04 HM |
1517 | /* at most one Event Data TRB allowed after STATUS */ |
1518 | if (TRB_TYPE(*trb_status) == TR_EVDATA && xfer->trb_count > 2) { | |
1519 | trb_status--; | |
1520 | } | |
1521 | ||
1522 | /* do some sanity checks */ | |
1523 | if (TRB_TYPE(*trb_setup) != TR_SETUP) { | |
1524 | fprintf(stderr, "xhci: ep0 first TD not SETUP: %d\n", | |
1525 | TRB_TYPE(*trb_setup)); | |
1526 | return -1; | |
1527 | } | |
1528 | if (TRB_TYPE(*trb_status) != TR_STATUS) { | |
1529 | fprintf(stderr, "xhci: ep0 last TD not STATUS: %d\n", | |
1530 | TRB_TYPE(*trb_status)); | |
1531 | return -1; | |
1532 | } | |
1533 | if (!(trb_setup->control & TRB_TR_IDT)) { | |
1534 | fprintf(stderr, "xhci: Setup TRB doesn't have IDT set\n"); | |
1535 | return -1; | |
1536 | } | |
1537 | if ((trb_setup->status & 0x1ffff) != 8) { | |
1538 | fprintf(stderr, "xhci: Setup TRB has bad length (%d)\n", | |
1539 | (trb_setup->status & 0x1ffff)); | |
1540 | return -1; | |
1541 | } | |
1542 | ||
1543 | bmRequestType = trb_setup->parameter; | |
62c6ae04 | 1544 | |
62c6ae04 HM |
1545 | xfer->in_xfer = bmRequestType & USB_DIR_IN; |
1546 | xfer->iso_xfer = false; | |
1547 | ||
5c08106f GH |
1548 | if (xhci_setup_packet(xfer) < 0) { |
1549 | return -1; | |
1550 | } | |
2850ca9e | 1551 | xfer->packet.parameter = trb_setup->parameter; |
2850ca9e | 1552 | |
5c08106f | 1553 | ret = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); |
62c6ae04 HM |
1554 | |
1555 | xhci_complete_packet(xfer, ret); | |
7c605a23 | 1556 | if (!xfer->running_async && !xfer->running_retry) { |
62c6ae04 HM |
1557 | xhci_kick_ep(xhci, xfer->slotid, xfer->epid); |
1558 | } | |
1559 | return 0; | |
1560 | } | |
1561 | ||
3d139684 GH |
1562 | static void xhci_calc_iso_kick(XHCIState *xhci, XHCITransfer *xfer, |
1563 | XHCIEPContext *epctx, uint64_t mfindex) | |
1564 | { | |
1565 | if (xfer->trbs[0].control & TRB_TR_SIA) { | |
1566 | uint64_t asap = ((mfindex + epctx->interval - 1) & | |
1567 | ~(epctx->interval-1)); | |
1568 | if (asap >= epctx->mfindex_last && | |
1569 | asap <= epctx->mfindex_last + epctx->interval * 4) { | |
1570 | xfer->mfindex_kick = epctx->mfindex_last + epctx->interval; | |
1571 | } else { | |
1572 | xfer->mfindex_kick = asap; | |
1573 | } | |
1574 | } else { | |
1575 | xfer->mfindex_kick = (xfer->trbs[0].control >> TRB_TR_FRAMEID_SHIFT) | |
1576 | & TRB_TR_FRAMEID_MASK; | |
1577 | xfer->mfindex_kick |= mfindex & ~0x3fff; | |
1578 | if (xfer->mfindex_kick < mfindex) { | |
1579 | xfer->mfindex_kick += 0x4000; | |
1580 | } | |
1581 | } | |
1582 | } | |
1583 | ||
1584 | static void xhci_check_iso_kick(XHCIState *xhci, XHCITransfer *xfer, | |
1585 | XHCIEPContext *epctx, uint64_t mfindex) | |
1586 | { | |
1587 | if (xfer->mfindex_kick > mfindex) { | |
1588 | qemu_mod_timer(epctx->kick_timer, qemu_get_clock_ns(vm_clock) + | |
1589 | (xfer->mfindex_kick - mfindex) * 125000); | |
1590 | xfer->running_retry = 1; | |
1591 | } else { | |
1592 | epctx->mfindex_last = xfer->mfindex_kick; | |
1593 | qemu_del_timer(epctx->kick_timer); | |
1594 | xfer->running_retry = 0; | |
1595 | } | |
1596 | } | |
1597 | ||
1598 | ||
62c6ae04 HM |
1599 | static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) |
1600 | { | |
3d139684 | 1601 | uint64_t mfindex; |
62c6ae04 HM |
1602 | int ret; |
1603 | ||
1604 | DPRINTF("xhci_submit(slotid=%d,epid=%d)\n", xfer->slotid, xfer->epid); | |
62c6ae04 HM |
1605 | |
1606 | xfer->in_xfer = epctx->type>>2; | |
62c6ae04 | 1607 | |
62c6ae04 HM |
1608 | switch(epctx->type) { |
1609 | case ET_INTR_OUT: | |
1610 | case ET_INTR_IN: | |
1611 | case ET_BULK_OUT: | |
1612 | case ET_BULK_IN: | |
3d139684 GH |
1613 | xfer->pkts = 0; |
1614 | xfer->iso_xfer = false; | |
62c6ae04 HM |
1615 | break; |
1616 | case ET_ISO_OUT: | |
1617 | case ET_ISO_IN: | |
3d139684 GH |
1618 | xfer->pkts = 1; |
1619 | xfer->iso_xfer = true; | |
1620 | mfindex = xhci_mfindex_get(xhci); | |
1621 | xhci_calc_iso_kick(xhci, xfer, epctx, mfindex); | |
1622 | xhci_check_iso_kick(xhci, xfer, epctx, mfindex); | |
1623 | if (xfer->running_retry) { | |
1624 | return -1; | |
1625 | } | |
62c6ae04 HM |
1626 | break; |
1627 | default: | |
079d0b7f GH |
1628 | fprintf(stderr, "xhci: unknown or unhandled EP " |
1629 | "(type %d, in %d, ep %02x)\n", | |
1630 | epctx->type, xfer->in_xfer, xfer->epid); | |
62c6ae04 HM |
1631 | return -1; |
1632 | } | |
1633 | ||
5c08106f GH |
1634 | if (xhci_setup_packet(xfer) < 0) { |
1635 | return -1; | |
1636 | } | |
1637 | ret = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); | |
62c6ae04 HM |
1638 | |
1639 | xhci_complete_packet(xfer, ret); | |
7c605a23 | 1640 | if (!xfer->running_async && !xfer->running_retry) { |
62c6ae04 HM |
1641 | xhci_kick_ep(xhci, xfer->slotid, xfer->epid); |
1642 | } | |
1643 | return 0; | |
1644 | } | |
1645 | ||
1646 | static int xhci_fire_transfer(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) | |
1647 | { | |
d5a15814 | 1648 | trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid); |
331e9406 | 1649 | return xhci_submit(xhci, xfer, epctx); |
62c6ae04 HM |
1650 | } |
1651 | ||
1652 | static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, unsigned int epid) | |
1653 | { | |
1654 | XHCIEPContext *epctx; | |
36dfe324 | 1655 | USBEndpoint *ep = NULL; |
3d139684 | 1656 | uint64_t mfindex; |
62c6ae04 HM |
1657 | int length; |
1658 | int i; | |
1659 | ||
c1f6b493 | 1660 | trace_usb_xhci_ep_kick(slotid, epid); |
62c6ae04 HM |
1661 | assert(slotid >= 1 && slotid <= MAXSLOTS); |
1662 | assert(epid >= 1 && epid <= 31); | |
62c6ae04 HM |
1663 | |
1664 | if (!xhci->slots[slotid-1].enabled) { | |
1665 | fprintf(stderr, "xhci: xhci_kick_ep for disabled slot %d\n", slotid); | |
1666 | return; | |
1667 | } | |
1668 | epctx = xhci->slots[slotid-1].eps[epid-1]; | |
1669 | if (!epctx) { | |
1670 | fprintf(stderr, "xhci: xhci_kick_ep for disabled endpoint %d,%d\n", | |
1671 | epid, slotid); | |
1672 | return; | |
1673 | } | |
1674 | ||
7c605a23 | 1675 | if (epctx->retry) { |
7c605a23 GH |
1676 | XHCITransfer *xfer = epctx->retry; |
1677 | int result; | |
1678 | ||
97df650b | 1679 | trace_usb_xhci_xfer_retry(xfer); |
7c605a23 | 1680 | assert(xfer->running_retry); |
3d139684 GH |
1681 | if (xfer->iso_xfer) { |
1682 | /* retry delayed iso transfer */ | |
1683 | mfindex = xhci_mfindex_get(xhci); | |
1684 | xhci_check_iso_kick(xhci, xfer, epctx, mfindex); | |
1685 | if (xfer->running_retry) { | |
1686 | return; | |
1687 | } | |
1688 | if (xhci_setup_packet(xfer) < 0) { | |
1689 | return; | |
1690 | } | |
1691 | result = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); | |
1692 | assert(result != USB_RET_NAK); | |
1693 | xhci_complete_packet(xfer, result); | |
1694 | } else { | |
1695 | /* retry nak'ed transfer */ | |
1696 | if (xhci_setup_packet(xfer) < 0) { | |
1697 | return; | |
1698 | } | |
1699 | result = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); | |
1700 | if (result == USB_RET_NAK) { | |
1701 | return; | |
1702 | } | |
1703 | xhci_complete_packet(xfer, result); | |
7c605a23 | 1704 | } |
7c605a23 GH |
1705 | assert(!xfer->running_retry); |
1706 | epctx->retry = NULL; | |
1707 | } | |
1708 | ||
62c6ae04 HM |
1709 | if (epctx->state == EP_HALTED) { |
1710 | DPRINTF("xhci: ep halted, not running schedule\n"); | |
1711 | return; | |
1712 | } | |
1713 | ||
1714 | xhci_set_ep_state(xhci, epctx, EP_RUNNING); | |
1715 | ||
1716 | while (1) { | |
1717 | XHCITransfer *xfer = &epctx->transfers[epctx->next_xfer]; | |
331e9406 | 1718 | if (xfer->running_async || xfer->running_retry) { |
62c6ae04 HM |
1719 | break; |
1720 | } | |
1721 | length = xhci_ring_chain_length(xhci, &epctx->ring); | |
1722 | if (length < 0) { | |
62c6ae04 HM |
1723 | break; |
1724 | } else if (length == 0) { | |
1725 | break; | |
1726 | } | |
62c6ae04 HM |
1727 | if (xfer->trbs && xfer->trb_alloced < length) { |
1728 | xfer->trb_count = 0; | |
1729 | xfer->trb_alloced = 0; | |
1730 | g_free(xfer->trbs); | |
1731 | xfer->trbs = NULL; | |
1732 | } | |
1733 | if (!xfer->trbs) { | |
1734 | xfer->trbs = g_malloc(sizeof(XHCITRB) * length); | |
1735 | xfer->trb_alloced = length; | |
1736 | } | |
1737 | xfer->trb_count = length; | |
1738 | ||
1739 | for (i = 0; i < length; i++) { | |
1740 | assert(xhci_ring_fetch(xhci, &epctx->ring, &xfer->trbs[i], NULL)); | |
1741 | } | |
1742 | xfer->xhci = xhci; | |
1743 | xfer->epid = epid; | |
1744 | xfer->slotid = slotid; | |
1745 | ||
1746 | if (epid == 1) { | |
1747 | if (xhci_fire_ctl_transfer(xhci, xfer) >= 0) { | |
1748 | epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE; | |
36dfe324 | 1749 | ep = xfer->packet.ep; |
62c6ae04 HM |
1750 | } else { |
1751 | fprintf(stderr, "xhci: error firing CTL transfer\n"); | |
1752 | } | |
1753 | } else { | |
1754 | if (xhci_fire_transfer(xhci, xfer, epctx) >= 0) { | |
1755 | epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE; | |
36dfe324 | 1756 | ep = xfer->packet.ep; |
62c6ae04 | 1757 | } else { |
3d139684 GH |
1758 | if (!xfer->iso_xfer) { |
1759 | fprintf(stderr, "xhci: error firing data transfer\n"); | |
1760 | } | |
62c6ae04 HM |
1761 | } |
1762 | } | |
1763 | ||
3c4866e0 | 1764 | if (epctx->state == EP_HALTED) { |
3c4866e0 GH |
1765 | break; |
1766 | } | |
7c605a23 GH |
1767 | if (xfer->running_retry) { |
1768 | DPRINTF("xhci: xfer nacked, stopping schedule\n"); | |
1769 | epctx->retry = xfer; | |
1770 | break; | |
1771 | } | |
62c6ae04 | 1772 | } |
36dfe324 HG |
1773 | if (ep) { |
1774 | usb_device_flush_ep_queue(ep->dev, ep); | |
1775 | } | |
62c6ae04 HM |
1776 | } |
1777 | ||
1778 | static TRBCCode xhci_enable_slot(XHCIState *xhci, unsigned int slotid) | |
1779 | { | |
348f1037 | 1780 | trace_usb_xhci_slot_enable(slotid); |
62c6ae04 | 1781 | assert(slotid >= 1 && slotid <= MAXSLOTS); |
62c6ae04 | 1782 | xhci->slots[slotid-1].enabled = 1; |
ccaf87a0 | 1783 | xhci->slots[slotid-1].uport = NULL; |
62c6ae04 HM |
1784 | memset(xhci->slots[slotid-1].eps, 0, sizeof(XHCIEPContext*)*31); |
1785 | ||
1786 | return CC_SUCCESS; | |
1787 | } | |
1788 | ||
1789 | static TRBCCode xhci_disable_slot(XHCIState *xhci, unsigned int slotid) | |
1790 | { | |
1791 | int i; | |
1792 | ||
348f1037 | 1793 | trace_usb_xhci_slot_disable(slotid); |
62c6ae04 | 1794 | assert(slotid >= 1 && slotid <= MAXSLOTS); |
62c6ae04 HM |
1795 | |
1796 | for (i = 1; i <= 31; i++) { | |
1797 | if (xhci->slots[slotid-1].eps[i-1]) { | |
1798 | xhci_disable_ep(xhci, slotid, i); | |
1799 | } | |
1800 | } | |
1801 | ||
1802 | xhci->slots[slotid-1].enabled = 0; | |
1803 | return CC_SUCCESS; | |
1804 | } | |
1805 | ||
ccaf87a0 GH |
1806 | static USBPort *xhci_lookup_uport(XHCIState *xhci, uint32_t *slot_ctx) |
1807 | { | |
1808 | USBPort *uport; | |
1809 | char path[32]; | |
1810 | int i, pos, port; | |
1811 | ||
1812 | port = (slot_ctx[1]>>16) & 0xFF; | |
1813 | port = xhci->ports[port-1].uport->index+1; | |
1814 | pos = snprintf(path, sizeof(path), "%d", port); | |
1815 | for (i = 0; i < 5; i++) { | |
1816 | port = (slot_ctx[0] >> 4*i) & 0x0f; | |
1817 | if (!port) { | |
1818 | break; | |
1819 | } | |
1820 | pos += snprintf(path + pos, sizeof(path) - pos, ".%d", port); | |
1821 | } | |
1822 | ||
1823 | QTAILQ_FOREACH(uport, &xhci->bus.used, next) { | |
1824 | if (strcmp(uport->path, path) == 0) { | |
1825 | return uport; | |
1826 | } | |
1827 | } | |
1828 | return NULL; | |
1829 | } | |
1830 | ||
62c6ae04 HM |
1831 | static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid, |
1832 | uint64_t pictx, bool bsr) | |
1833 | { | |
1834 | XHCISlot *slot; | |
ccaf87a0 | 1835 | USBPort *uport; |
62c6ae04 | 1836 | USBDevice *dev; |
59a70ccd | 1837 | dma_addr_t ictx, octx, dcbaap; |
62c6ae04 HM |
1838 | uint64_t poctx; |
1839 | uint32_t ictl_ctx[2]; | |
1840 | uint32_t slot_ctx[4]; | |
1841 | uint32_t ep0_ctx[5]; | |
62c6ae04 HM |
1842 | int i; |
1843 | TRBCCode res; | |
1844 | ||
348f1037 | 1845 | trace_usb_xhci_slot_address(slotid); |
62c6ae04 | 1846 | assert(slotid >= 1 && slotid <= MAXSLOTS); |
62c6ae04 HM |
1847 | |
1848 | dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high); | |
59a70ccd | 1849 | pci_dma_read(&xhci->pci_dev, dcbaap + 8*slotid, &poctx, sizeof(poctx)); |
62c6ae04 HM |
1850 | ictx = xhci_mask64(pictx); |
1851 | octx = xhci_mask64(le64_to_cpu(poctx)); | |
1852 | ||
59a70ccd DG |
1853 | DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); |
1854 | DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); | |
62c6ae04 | 1855 | |
59a70ccd | 1856 | pci_dma_read(&xhci->pci_dev, ictx, ictl_ctx, sizeof(ictl_ctx)); |
62c6ae04 HM |
1857 | |
1858 | if (ictl_ctx[0] != 0x0 || ictl_ctx[1] != 0x3) { | |
1859 | fprintf(stderr, "xhci: invalid input context control %08x %08x\n", | |
1860 | ictl_ctx[0], ictl_ctx[1]); | |
1861 | return CC_TRB_ERROR; | |
1862 | } | |
1863 | ||
59a70ccd DG |
1864 | pci_dma_read(&xhci->pci_dev, ictx+32, slot_ctx, sizeof(slot_ctx)); |
1865 | pci_dma_read(&xhci->pci_dev, ictx+64, ep0_ctx, sizeof(ep0_ctx)); | |
62c6ae04 HM |
1866 | |
1867 | DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n", | |
1868 | slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); | |
1869 | ||
1870 | DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n", | |
1871 | ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); | |
1872 | ||
ccaf87a0 GH |
1873 | uport = xhci_lookup_uport(xhci, slot_ctx); |
1874 | if (uport == NULL) { | |
1875 | fprintf(stderr, "xhci: port not found\n"); | |
62c6ae04 | 1876 | return CC_TRB_ERROR; |
ccaf87a0 GH |
1877 | } |
1878 | ||
1879 | dev = uport->dev; | |
1880 | if (!dev) { | |
1881 | fprintf(stderr, "xhci: port %s not connected\n", uport->path); | |
62c6ae04 HM |
1882 | return CC_USB_TRANSACTION_ERROR; |
1883 | } | |
1884 | ||
1885 | for (i = 0; i < MAXSLOTS; i++) { | |
ccaf87a0 GH |
1886 | if (xhci->slots[i].uport == uport) { |
1887 | fprintf(stderr, "xhci: port %s already assigned to slot %d\n", | |
1888 | uport->path, i+1); | |
62c6ae04 HM |
1889 | return CC_TRB_ERROR; |
1890 | } | |
1891 | } | |
1892 | ||
1893 | slot = &xhci->slots[slotid-1]; | |
ccaf87a0 | 1894 | slot->uport = uport; |
62c6ae04 HM |
1895 | slot->ctx = octx; |
1896 | ||
1897 | if (bsr) { | |
1898 | slot_ctx[3] = SLOT_DEFAULT << SLOT_STATE_SHIFT; | |
1899 | } else { | |
1900 | slot->devaddr = xhci->devaddr++; | |
1901 | slot_ctx[3] = (SLOT_ADDRESSED << SLOT_STATE_SHIFT) | slot->devaddr; | |
1902 | DPRINTF("xhci: device address is %d\n", slot->devaddr); | |
62aed765 | 1903 | usb_device_handle_control(dev, NULL, |
62c6ae04 HM |
1904 | DeviceOutRequest | USB_REQ_SET_ADDRESS, |
1905 | slot->devaddr, 0, 0, NULL); | |
1906 | } | |
1907 | ||
1908 | res = xhci_enable_ep(xhci, slotid, 1, octx+32, ep0_ctx); | |
1909 | ||
1910 | DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", | |
1911 | slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); | |
1912 | DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n", | |
1913 | ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); | |
1914 | ||
59a70ccd DG |
1915 | pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); |
1916 | pci_dma_write(&xhci->pci_dev, octx+32, ep0_ctx, sizeof(ep0_ctx)); | |
62c6ae04 HM |
1917 | |
1918 | return res; | |
1919 | } | |
1920 | ||
1921 | ||
1922 | static TRBCCode xhci_configure_slot(XHCIState *xhci, unsigned int slotid, | |
1923 | uint64_t pictx, bool dc) | |
1924 | { | |
59a70ccd | 1925 | dma_addr_t ictx, octx; |
62c6ae04 HM |
1926 | uint32_t ictl_ctx[2]; |
1927 | uint32_t slot_ctx[4]; | |
1928 | uint32_t islot_ctx[4]; | |
1929 | uint32_t ep_ctx[5]; | |
1930 | int i; | |
1931 | TRBCCode res; | |
1932 | ||
348f1037 | 1933 | trace_usb_xhci_slot_configure(slotid); |
62c6ae04 | 1934 | assert(slotid >= 1 && slotid <= MAXSLOTS); |
62c6ae04 HM |
1935 | |
1936 | ictx = xhci_mask64(pictx); | |
1937 | octx = xhci->slots[slotid-1].ctx; | |
1938 | ||
59a70ccd DG |
1939 | DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); |
1940 | DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); | |
62c6ae04 HM |
1941 | |
1942 | if (dc) { | |
1943 | for (i = 2; i <= 31; i++) { | |
1944 | if (xhci->slots[slotid-1].eps[i-1]) { | |
1945 | xhci_disable_ep(xhci, slotid, i); | |
1946 | } | |
1947 | } | |
1948 | ||
59a70ccd | 1949 | pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); |
62c6ae04 HM |
1950 | slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); |
1951 | slot_ctx[3] |= SLOT_ADDRESSED << SLOT_STATE_SHIFT; | |
1952 | DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", | |
1953 | slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); | |
59a70ccd | 1954 | pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); |
62c6ae04 HM |
1955 | |
1956 | return CC_SUCCESS; | |
1957 | } | |
1958 | ||
59a70ccd | 1959 | pci_dma_read(&xhci->pci_dev, ictx, ictl_ctx, sizeof(ictl_ctx)); |
62c6ae04 HM |
1960 | |
1961 | if ((ictl_ctx[0] & 0x3) != 0x0 || (ictl_ctx[1] & 0x3) != 0x1) { | |
1962 | fprintf(stderr, "xhci: invalid input context control %08x %08x\n", | |
1963 | ictl_ctx[0], ictl_ctx[1]); | |
1964 | return CC_TRB_ERROR; | |
1965 | } | |
1966 | ||
59a70ccd DG |
1967 | pci_dma_read(&xhci->pci_dev, ictx+32, islot_ctx, sizeof(islot_ctx)); |
1968 | pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); | |
62c6ae04 HM |
1969 | |
1970 | if (SLOT_STATE(slot_ctx[3]) < SLOT_ADDRESSED) { | |
1971 | fprintf(stderr, "xhci: invalid slot state %08x\n", slot_ctx[3]); | |
1972 | return CC_CONTEXT_STATE_ERROR; | |
1973 | } | |
1974 | ||
1975 | for (i = 2; i <= 31; i++) { | |
1976 | if (ictl_ctx[0] & (1<<i)) { | |
1977 | xhci_disable_ep(xhci, slotid, i); | |
1978 | } | |
1979 | if (ictl_ctx[1] & (1<<i)) { | |
59a70ccd DG |
1980 | pci_dma_read(&xhci->pci_dev, ictx+32+(32*i), ep_ctx, |
1981 | sizeof(ep_ctx)); | |
62c6ae04 HM |
1982 | DPRINTF("xhci: input ep%d.%d context: %08x %08x %08x %08x %08x\n", |
1983 | i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2], | |
1984 | ep_ctx[3], ep_ctx[4]); | |
1985 | xhci_disable_ep(xhci, slotid, i); | |
1986 | res = xhci_enable_ep(xhci, slotid, i, octx+(32*i), ep_ctx); | |
1987 | if (res != CC_SUCCESS) { | |
1988 | return res; | |
1989 | } | |
1990 | DPRINTF("xhci: output ep%d.%d context: %08x %08x %08x %08x %08x\n", | |
1991 | i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2], | |
1992 | ep_ctx[3], ep_ctx[4]); | |
59a70ccd | 1993 | pci_dma_write(&xhci->pci_dev, octx+(32*i), ep_ctx, sizeof(ep_ctx)); |
62c6ae04 HM |
1994 | } |
1995 | } | |
1996 | ||
1997 | slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); | |
1998 | slot_ctx[3] |= SLOT_CONFIGURED << SLOT_STATE_SHIFT; | |
1999 | slot_ctx[0] &= ~(SLOT_CONTEXT_ENTRIES_MASK << SLOT_CONTEXT_ENTRIES_SHIFT); | |
2000 | slot_ctx[0] |= islot_ctx[0] & (SLOT_CONTEXT_ENTRIES_MASK << | |
2001 | SLOT_CONTEXT_ENTRIES_SHIFT); | |
2002 | DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", | |
2003 | slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); | |
2004 | ||
59a70ccd | 2005 | pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); |
62c6ae04 HM |
2006 | |
2007 | return CC_SUCCESS; | |
2008 | } | |
2009 | ||
2010 | ||
2011 | static TRBCCode xhci_evaluate_slot(XHCIState *xhci, unsigned int slotid, | |
2012 | uint64_t pictx) | |
2013 | { | |
59a70ccd | 2014 | dma_addr_t ictx, octx; |
62c6ae04 HM |
2015 | uint32_t ictl_ctx[2]; |
2016 | uint32_t iep0_ctx[5]; | |
2017 | uint32_t ep0_ctx[5]; | |
2018 | uint32_t islot_ctx[4]; | |
2019 | uint32_t slot_ctx[4]; | |
2020 | ||
348f1037 | 2021 | trace_usb_xhci_slot_evaluate(slotid); |
62c6ae04 | 2022 | assert(slotid >= 1 && slotid <= MAXSLOTS); |
62c6ae04 HM |
2023 | |
2024 | ictx = xhci_mask64(pictx); | |
2025 | octx = xhci->slots[slotid-1].ctx; | |
2026 | ||
59a70ccd DG |
2027 | DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); |
2028 | DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); | |
62c6ae04 | 2029 | |
59a70ccd | 2030 | pci_dma_read(&xhci->pci_dev, ictx, ictl_ctx, sizeof(ictl_ctx)); |
62c6ae04 HM |
2031 | |
2032 | if (ictl_ctx[0] != 0x0 || ictl_ctx[1] & ~0x3) { | |
2033 | fprintf(stderr, "xhci: invalid input context control %08x %08x\n", | |
2034 | ictl_ctx[0], ictl_ctx[1]); | |
2035 | return CC_TRB_ERROR; | |
2036 | } | |
2037 | ||
2038 | if (ictl_ctx[1] & 0x1) { | |
59a70ccd | 2039 | pci_dma_read(&xhci->pci_dev, ictx+32, islot_ctx, sizeof(islot_ctx)); |
62c6ae04 HM |
2040 | |
2041 | DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n", | |
2042 | islot_ctx[0], islot_ctx[1], islot_ctx[2], islot_ctx[3]); | |
2043 | ||
59a70ccd | 2044 | pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); |
62c6ae04 HM |
2045 | |
2046 | slot_ctx[1] &= ~0xFFFF; /* max exit latency */ | |
2047 | slot_ctx[1] |= islot_ctx[1] & 0xFFFF; | |
2048 | slot_ctx[2] &= ~0xFF00000; /* interrupter target */ | |
2049 | slot_ctx[2] |= islot_ctx[2] & 0xFF000000; | |
2050 | ||
2051 | DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", | |
2052 | slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); | |
2053 | ||
59a70ccd | 2054 | pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); |
62c6ae04 HM |
2055 | } |
2056 | ||
2057 | if (ictl_ctx[1] & 0x2) { | |
59a70ccd | 2058 | pci_dma_read(&xhci->pci_dev, ictx+64, iep0_ctx, sizeof(iep0_ctx)); |
62c6ae04 HM |
2059 | |
2060 | DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n", | |
2061 | iep0_ctx[0], iep0_ctx[1], iep0_ctx[2], | |
2062 | iep0_ctx[3], iep0_ctx[4]); | |
2063 | ||
59a70ccd | 2064 | pci_dma_read(&xhci->pci_dev, octx+32, ep0_ctx, sizeof(ep0_ctx)); |
62c6ae04 HM |
2065 | |
2066 | ep0_ctx[1] &= ~0xFFFF0000; /* max packet size*/ | |
2067 | ep0_ctx[1] |= iep0_ctx[1] & 0xFFFF0000; | |
2068 | ||
2069 | DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n", | |
2070 | ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); | |
2071 | ||
59a70ccd | 2072 | pci_dma_write(&xhci->pci_dev, octx+32, ep0_ctx, sizeof(ep0_ctx)); |
62c6ae04 HM |
2073 | } |
2074 | ||
2075 | return CC_SUCCESS; | |
2076 | } | |
2077 | ||
2078 | static TRBCCode xhci_reset_slot(XHCIState *xhci, unsigned int slotid) | |
2079 | { | |
2080 | uint32_t slot_ctx[4]; | |
59a70ccd | 2081 | dma_addr_t octx; |
62c6ae04 HM |
2082 | int i; |
2083 | ||
348f1037 | 2084 | trace_usb_xhci_slot_reset(slotid); |
62c6ae04 | 2085 | assert(slotid >= 1 && slotid <= MAXSLOTS); |
62c6ae04 HM |
2086 | |
2087 | octx = xhci->slots[slotid-1].ctx; | |
2088 | ||
59a70ccd | 2089 | DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); |
62c6ae04 HM |
2090 | |
2091 | for (i = 2; i <= 31; i++) { | |
2092 | if (xhci->slots[slotid-1].eps[i-1]) { | |
2093 | xhci_disable_ep(xhci, slotid, i); | |
2094 | } | |
2095 | } | |
2096 | ||
59a70ccd | 2097 | pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); |
62c6ae04 HM |
2098 | slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); |
2099 | slot_ctx[3] |= SLOT_DEFAULT << SLOT_STATE_SHIFT; | |
2100 | DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", | |
2101 | slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); | |
59a70ccd | 2102 | pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); |
62c6ae04 HM |
2103 | |
2104 | return CC_SUCCESS; | |
2105 | } | |
2106 | ||
2107 | static unsigned int xhci_get_slot(XHCIState *xhci, XHCIEvent *event, XHCITRB *trb) | |
2108 | { | |
2109 | unsigned int slotid; | |
2110 | slotid = (trb->control >> TRB_CR_SLOTID_SHIFT) & TRB_CR_SLOTID_MASK; | |
2111 | if (slotid < 1 || slotid > MAXSLOTS) { | |
2112 | fprintf(stderr, "xhci: bad slot id %d\n", slotid); | |
2113 | event->ccode = CC_TRB_ERROR; | |
2114 | return 0; | |
2115 | } else if (!xhci->slots[slotid-1].enabled) { | |
2116 | fprintf(stderr, "xhci: slot id %d not enabled\n", slotid); | |
2117 | event->ccode = CC_SLOT_NOT_ENABLED_ERROR; | |
2118 | return 0; | |
2119 | } | |
2120 | return slotid; | |
2121 | } | |
2122 | ||
2123 | static TRBCCode xhci_get_port_bandwidth(XHCIState *xhci, uint64_t pctx) | |
2124 | { | |
59a70ccd | 2125 | dma_addr_t ctx; |
0846e635 | 2126 | uint8_t bw_ctx[xhci->numports+1]; |
62c6ae04 HM |
2127 | |
2128 | DPRINTF("xhci_get_port_bandwidth()\n"); | |
2129 | ||
2130 | ctx = xhci_mask64(pctx); | |
2131 | ||
59a70ccd | 2132 | DPRINTF("xhci: bandwidth context at "DMA_ADDR_FMT"\n", ctx); |
62c6ae04 HM |
2133 | |
2134 | /* TODO: actually implement real values here */ | |
2135 | bw_ctx[0] = 0; | |
0846e635 | 2136 | memset(&bw_ctx[1], 80, xhci->numports); /* 80% */ |
59a70ccd | 2137 | pci_dma_write(&xhci->pci_dev, ctx, bw_ctx, sizeof(bw_ctx)); |
62c6ae04 HM |
2138 | |
2139 | return CC_SUCCESS; | |
2140 | } | |
2141 | ||
2142 | static uint32_t rotl(uint32_t v, unsigned count) | |
2143 | { | |
2144 | count &= 31; | |
2145 | return (v << count) | (v >> (32 - count)); | |
2146 | } | |
2147 | ||
2148 | ||
2149 | static uint32_t xhci_nec_challenge(uint32_t hi, uint32_t lo) | |
2150 | { | |
2151 | uint32_t val; | |
2152 | val = rotl(lo - 0x49434878, 32 - ((hi>>8) & 0x1F)); | |
2153 | val += rotl(lo + 0x49434878, hi & 0x1F); | |
2154 | val -= rotl(hi ^ 0x49434878, (lo >> 16) & 0x1F); | |
2155 | return ~val; | |
2156 | } | |
2157 | ||
59a70ccd | 2158 | static void xhci_via_challenge(XHCIState *xhci, uint64_t addr) |
62c6ae04 HM |
2159 | { |
2160 | uint32_t buf[8]; | |
2161 | uint32_t obuf[8]; | |
59a70ccd | 2162 | dma_addr_t paddr = xhci_mask64(addr); |
62c6ae04 | 2163 | |
59a70ccd | 2164 | pci_dma_read(&xhci->pci_dev, paddr, &buf, 32); |
62c6ae04 HM |
2165 | |
2166 | memcpy(obuf, buf, sizeof(obuf)); | |
2167 | ||
2168 | if ((buf[0] & 0xff) == 2) { | |
2169 | obuf[0] = 0x49932000 + 0x54dc200 * buf[2] + 0x7429b578 * buf[3]; | |
2170 | obuf[0] |= (buf[2] * buf[3]) & 0xff; | |
2171 | obuf[1] = 0x0132bb37 + 0xe89 * buf[2] + 0xf09 * buf[3]; | |
2172 | obuf[2] = 0x0066c2e9 + 0x2091 * buf[2] + 0x19bd * buf[3]; | |
2173 | obuf[3] = 0xd5281342 + 0x2cc9691 * buf[2] + 0x2367662 * buf[3]; | |
2174 | obuf[4] = 0x0123c75c + 0x1595 * buf[2] + 0x19ec * buf[3]; | |
2175 | obuf[5] = 0x00f695de + 0x26fd * buf[2] + 0x3e9 * buf[3]; | |
2176 | obuf[6] = obuf[2] ^ obuf[3] ^ 0x29472956; | |
2177 | obuf[7] = obuf[2] ^ obuf[3] ^ 0x65866593; | |
2178 | } | |
2179 | ||
59a70ccd | 2180 | pci_dma_write(&xhci->pci_dev, paddr, &obuf, 32); |
62c6ae04 HM |
2181 | } |
2182 | ||
2183 | static void xhci_process_commands(XHCIState *xhci) | |
2184 | { | |
2185 | XHCITRB trb; | |
2186 | TRBType type; | |
2187 | XHCIEvent event = {ER_COMMAND_COMPLETE, CC_SUCCESS}; | |
59a70ccd | 2188 | dma_addr_t addr; |
62c6ae04 HM |
2189 | unsigned int i, slotid = 0; |
2190 | ||
2191 | DPRINTF("xhci_process_commands()\n"); | |
2192 | if (!xhci_running(xhci)) { | |
2193 | DPRINTF("xhci_process_commands() called while xHC stopped or paused\n"); | |
2194 | return; | |
2195 | } | |
2196 | ||
2197 | xhci->crcr_low |= CRCR_CRR; | |
2198 | ||
2199 | while ((type = xhci_ring_fetch(xhci, &xhci->cmd_ring, &trb, &addr))) { | |
2200 | event.ptr = addr; | |
2201 | switch (type) { | |
2202 | case CR_ENABLE_SLOT: | |
2203 | for (i = 0; i < MAXSLOTS; i++) { | |
2204 | if (!xhci->slots[i].enabled) { | |
2205 | break; | |
2206 | } | |
2207 | } | |
2208 | if (i >= MAXSLOTS) { | |
2209 | fprintf(stderr, "xhci: no device slots available\n"); | |
2210 | event.ccode = CC_NO_SLOTS_ERROR; | |
2211 | } else { | |
2212 | slotid = i+1; | |
2213 | event.ccode = xhci_enable_slot(xhci, slotid); | |
2214 | } | |
2215 | break; | |
2216 | case CR_DISABLE_SLOT: | |
2217 | slotid = xhci_get_slot(xhci, &event, &trb); | |
2218 | if (slotid) { | |
2219 | event.ccode = xhci_disable_slot(xhci, slotid); | |
2220 | } | |
2221 | break; | |
2222 | case CR_ADDRESS_DEVICE: | |
2223 | slotid = xhci_get_slot(xhci, &event, &trb); | |
2224 | if (slotid) { | |
2225 | event.ccode = xhci_address_slot(xhci, slotid, trb.parameter, | |
2226 | trb.control & TRB_CR_BSR); | |
2227 | } | |
2228 | break; | |
2229 | case CR_CONFIGURE_ENDPOINT: | |
2230 | slotid = xhci_get_slot(xhci, &event, &trb); | |
2231 | if (slotid) { | |
2232 | event.ccode = xhci_configure_slot(xhci, slotid, trb.parameter, | |
2233 | trb.control & TRB_CR_DC); | |
2234 | } | |
2235 | break; | |
2236 | case CR_EVALUATE_CONTEXT: | |
2237 | slotid = xhci_get_slot(xhci, &event, &trb); | |
2238 | if (slotid) { | |
2239 | event.ccode = xhci_evaluate_slot(xhci, slotid, trb.parameter); | |
2240 | } | |
2241 | break; | |
2242 | case CR_STOP_ENDPOINT: | |
2243 | slotid = xhci_get_slot(xhci, &event, &trb); | |
2244 | if (slotid) { | |
2245 | unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) | |
2246 | & TRB_CR_EPID_MASK; | |
2247 | event.ccode = xhci_stop_ep(xhci, slotid, epid); | |
2248 | } | |
2249 | break; | |
2250 | case CR_RESET_ENDPOINT: | |
2251 | slotid = xhci_get_slot(xhci, &event, &trb); | |
2252 | if (slotid) { | |
2253 | unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) | |
2254 | & TRB_CR_EPID_MASK; | |
2255 | event.ccode = xhci_reset_ep(xhci, slotid, epid); | |
2256 | } | |
2257 | break; | |
2258 | case CR_SET_TR_DEQUEUE: | |
2259 | slotid = xhci_get_slot(xhci, &event, &trb); | |
2260 | if (slotid) { | |
2261 | unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) | |
2262 | & TRB_CR_EPID_MASK; | |
2263 | event.ccode = xhci_set_ep_dequeue(xhci, slotid, epid, | |
2264 | trb.parameter); | |
2265 | } | |
2266 | break; | |
2267 | case CR_RESET_DEVICE: | |
2268 | slotid = xhci_get_slot(xhci, &event, &trb); | |
2269 | if (slotid) { | |
2270 | event.ccode = xhci_reset_slot(xhci, slotid); | |
2271 | } | |
2272 | break; | |
2273 | case CR_GET_PORT_BANDWIDTH: | |
2274 | event.ccode = xhci_get_port_bandwidth(xhci, trb.parameter); | |
2275 | break; | |
2276 | case CR_VENDOR_VIA_CHALLENGE_RESPONSE: | |
59a70ccd | 2277 | xhci_via_challenge(xhci, trb.parameter); |
62c6ae04 HM |
2278 | break; |
2279 | case CR_VENDOR_NEC_FIRMWARE_REVISION: | |
2280 | event.type = 48; /* NEC reply */ | |
2281 | event.length = 0x3025; | |
2282 | break; | |
2283 | case CR_VENDOR_NEC_CHALLENGE_RESPONSE: | |
2284 | { | |
2285 | uint32_t chi = trb.parameter >> 32; | |
2286 | uint32_t clo = trb.parameter; | |
2287 | uint32_t val = xhci_nec_challenge(chi, clo); | |
2288 | event.length = val & 0xFFFF; | |
2289 | event.epid = val >> 16; | |
2290 | slotid = val >> 24; | |
2291 | event.type = 48; /* NEC reply */ | |
2292 | } | |
2293 | break; | |
2294 | default: | |
2295 | fprintf(stderr, "xhci: unimplemented command %d\n", type); | |
2296 | event.ccode = CC_TRB_ERROR; | |
2297 | break; | |
2298 | } | |
2299 | event.slotid = slotid; | |
2d1de850 | 2300 | xhci_event(xhci, &event, 0); |
62c6ae04 HM |
2301 | } |
2302 | } | |
2303 | ||
2304 | static void xhci_update_port(XHCIState *xhci, XHCIPort *port, int is_detach) | |
2305 | { | |
62c6ae04 | 2306 | port->portsc = PORTSC_PP; |
0846e635 GH |
2307 | if (port->uport->dev && port->uport->dev->attached && !is_detach && |
2308 | (1 << port->uport->dev->speed) & port->speedmask) { | |
62c6ae04 | 2309 | port->portsc |= PORTSC_CCS; |
0846e635 | 2310 | switch (port->uport->dev->speed) { |
62c6ae04 HM |
2311 | case USB_SPEED_LOW: |
2312 | port->portsc |= PORTSC_SPEED_LOW; | |
2313 | break; | |
2314 | case USB_SPEED_FULL: | |
2315 | port->portsc |= PORTSC_SPEED_FULL; | |
2316 | break; | |
2317 | case USB_SPEED_HIGH: | |
2318 | port->portsc |= PORTSC_SPEED_HIGH; | |
2319 | break; | |
0846e635 GH |
2320 | case USB_SPEED_SUPER: |
2321 | port->portsc |= PORTSC_SPEED_SUPER; | |
2322 | break; | |
62c6ae04 HM |
2323 | } |
2324 | } | |
2325 | ||
2326 | if (xhci_running(xhci)) { | |
2327 | port->portsc |= PORTSC_CSC; | |
0846e635 GH |
2328 | XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS, |
2329 | port->portnr << 24}; | |
2d1de850 | 2330 | xhci_event(xhci, &ev, 0); |
0846e635 | 2331 | DPRINTF("xhci: port change event for port %d\n", port->portnr); |
62c6ae04 HM |
2332 | } |
2333 | } | |
2334 | ||
64619739 | 2335 | static void xhci_reset(DeviceState *dev) |
62c6ae04 | 2336 | { |
64619739 | 2337 | XHCIState *xhci = DO_UPCAST(XHCIState, pci_dev.qdev, dev); |
62c6ae04 HM |
2338 | int i; |
2339 | ||
2d754a10 | 2340 | trace_usb_xhci_reset(); |
62c6ae04 HM |
2341 | if (!(xhci->usbsts & USBSTS_HCH)) { |
2342 | fprintf(stderr, "xhci: reset while running!\n"); | |
2343 | } | |
2344 | ||
2345 | xhci->usbcmd = 0; | |
2346 | xhci->usbsts = USBSTS_HCH; | |
2347 | xhci->dnctrl = 0; | |
2348 | xhci->crcr_low = 0; | |
2349 | xhci->crcr_high = 0; | |
2350 | xhci->dcbaap_low = 0; | |
2351 | xhci->dcbaap_high = 0; | |
2352 | xhci->config = 0; | |
2353 | xhci->devaddr = 2; | |
2354 | ||
2355 | for (i = 0; i < MAXSLOTS; i++) { | |
2356 | xhci_disable_slot(xhci, i+1); | |
2357 | } | |
2358 | ||
0846e635 | 2359 | for (i = 0; i < xhci->numports; i++) { |
62c6ae04 HM |
2360 | xhci_update_port(xhci, xhci->ports + i, 0); |
2361 | } | |
2362 | ||
962d11e1 GH |
2363 | for (i = 0; i < MAXINTRS; i++) { |
2364 | xhci->intr[i].iman = 0; | |
2365 | xhci->intr[i].imod = 0; | |
2366 | xhci->intr[i].erstsz = 0; | |
2367 | xhci->intr[i].erstba_low = 0; | |
2368 | xhci->intr[i].erstba_high = 0; | |
2369 | xhci->intr[i].erdp_low = 0; | |
2370 | xhci->intr[i].erdp_high = 0; | |
2371 | xhci->intr[i].msix_used = 0; | |
62c6ae04 | 2372 | |
962d11e1 GH |
2373 | xhci->intr[i].er_ep_idx = 0; |
2374 | xhci->intr[i].er_pcs = 1; | |
2375 | xhci->intr[i].er_full = 0; | |
2376 | xhci->intr[i].ev_buffer_put = 0; | |
2377 | xhci->intr[i].ev_buffer_get = 0; | |
2378 | } | |
01546fa6 GH |
2379 | |
2380 | xhci->mfindex_start = qemu_get_clock_ns(vm_clock); | |
2381 | xhci_mfwrap_update(xhci); | |
62c6ae04 HM |
2382 | } |
2383 | ||
a8170e5e | 2384 | static uint64_t xhci_cap_read(void *ptr, hwaddr reg, unsigned size) |
62c6ae04 | 2385 | { |
1b067564 | 2386 | XHCIState *xhci = ptr; |
2d754a10 | 2387 | uint32_t ret; |
62c6ae04 HM |
2388 | |
2389 | switch (reg) { | |
2390 | case 0x00: /* HCIVERSION, CAPLENGTH */ | |
2d754a10 GH |
2391 | ret = 0x01000000 | LEN_CAP; |
2392 | break; | |
62c6ae04 | 2393 | case 0x04: /* HCSPARAMS 1 */ |
0846e635 GH |
2394 | ret = ((xhci->numports_2+xhci->numports_3)<<24) |
2395 | | (MAXINTRS<<8) | MAXSLOTS; | |
2d754a10 | 2396 | break; |
62c6ae04 | 2397 | case 0x08: /* HCSPARAMS 2 */ |
2d754a10 GH |
2398 | ret = 0x0000000f; |
2399 | break; | |
62c6ae04 | 2400 | case 0x0c: /* HCSPARAMS 3 */ |
2d754a10 GH |
2401 | ret = 0x00000000; |
2402 | break; | |
62c6ae04 | 2403 | case 0x10: /* HCCPARAMS */ |
2d754a10 GH |
2404 | if (sizeof(dma_addr_t) == 4) { |
2405 | ret = 0x00081000; | |
2406 | } else { | |
2407 | ret = 0x00081001; | |
2408 | } | |
2409 | break; | |
62c6ae04 | 2410 | case 0x14: /* DBOFF */ |
2d754a10 GH |
2411 | ret = OFF_DOORBELL; |
2412 | break; | |
62c6ae04 | 2413 | case 0x18: /* RTSOFF */ |
2d754a10 GH |
2414 | ret = OFF_RUNTIME; |
2415 | break; | |
62c6ae04 HM |
2416 | |
2417 | /* extended capabilities */ | |
2418 | case 0x20: /* Supported Protocol:00 */ | |
2d754a10 GH |
2419 | ret = 0x02000402; /* USB 2.0 */ |
2420 | break; | |
62c6ae04 | 2421 | case 0x24: /* Supported Protocol:04 */ |
2d754a10 GH |
2422 | ret = 0x20425455; /* "USB " */ |
2423 | break; | |
62c6ae04 | 2424 | case 0x28: /* Supported Protocol:08 */ |
0846e635 | 2425 | ret = 0x00000001 | (xhci->numports_2<<8); |
2d754a10 | 2426 | break; |
62c6ae04 | 2427 | case 0x2c: /* Supported Protocol:0c */ |
2d754a10 GH |
2428 | ret = 0x00000000; /* reserved */ |
2429 | break; | |
62c6ae04 | 2430 | case 0x30: /* Supported Protocol:00 */ |
2d754a10 GH |
2431 | ret = 0x03000002; /* USB 3.0 */ |
2432 | break; | |
62c6ae04 | 2433 | case 0x34: /* Supported Protocol:04 */ |
2d754a10 GH |
2434 | ret = 0x20425455; /* "USB " */ |
2435 | break; | |
62c6ae04 | 2436 | case 0x38: /* Supported Protocol:08 */ |
0846e635 | 2437 | ret = 0x00000000 | (xhci->numports_2+1) | (xhci->numports_3<<8); |
2d754a10 | 2438 | break; |
62c6ae04 | 2439 | case 0x3c: /* Supported Protocol:0c */ |
2d754a10 GH |
2440 | ret = 0x00000000; /* reserved */ |
2441 | break; | |
62c6ae04 | 2442 | default: |
1b067564 | 2443 | fprintf(stderr, "xhci_cap_read: reg %d unimplemented\n", (int)reg); |
2d754a10 | 2444 | ret = 0; |
62c6ae04 | 2445 | } |
2d754a10 GH |
2446 | |
2447 | trace_usb_xhci_cap_read(reg, ret); | |
2448 | return ret; | |
62c6ae04 HM |
2449 | } |
2450 | ||
a8170e5e | 2451 | static uint64_t xhci_port_read(void *ptr, hwaddr reg, unsigned size) |
62c6ae04 | 2452 | { |
1d8a4e69 | 2453 | XHCIPort *port = ptr; |
2d754a10 GH |
2454 | uint32_t ret; |
2455 | ||
1d8a4e69 | 2456 | switch (reg) { |
62c6ae04 | 2457 | case 0x00: /* PORTSC */ |
1d8a4e69 | 2458 | ret = port->portsc; |
2d754a10 | 2459 | break; |
62c6ae04 HM |
2460 | case 0x04: /* PORTPMSC */ |
2461 | case 0x08: /* PORTLI */ | |
2d754a10 GH |
2462 | ret = 0; |
2463 | break; | |
62c6ae04 HM |
2464 | case 0x0c: /* reserved */ |
2465 | default: | |
2466 | fprintf(stderr, "xhci_port_read (port %d): reg 0x%x unimplemented\n", | |
1d8a4e69 | 2467 | port->portnr, (uint32_t)reg); |
2d754a10 | 2468 | ret = 0; |
62c6ae04 | 2469 | } |
2d754a10 | 2470 | |
1d8a4e69 | 2471 | trace_usb_xhci_port_read(port->portnr, reg, ret); |
2d754a10 | 2472 | return ret; |
62c6ae04 HM |
2473 | } |
2474 | ||
a8170e5e | 2475 | static void xhci_port_write(void *ptr, hwaddr reg, |
1d8a4e69 | 2476 | uint64_t val, unsigned size) |
62c6ae04 | 2477 | { |
1d8a4e69 | 2478 | XHCIPort *port = ptr; |
62c6ae04 HM |
2479 | uint32_t portsc; |
2480 | ||
1d8a4e69 | 2481 | trace_usb_xhci_port_write(port->portnr, reg, val); |
2d754a10 | 2482 | |
1d8a4e69 | 2483 | switch (reg) { |
62c6ae04 | 2484 | case 0x00: /* PORTSC */ |
1d8a4e69 | 2485 | portsc = port->portsc; |
62c6ae04 HM |
2486 | /* write-1-to-clear bits*/ |
2487 | portsc &= ~(val & (PORTSC_CSC|PORTSC_PEC|PORTSC_WRC|PORTSC_OCC| | |
2488 | PORTSC_PRC|PORTSC_PLC|PORTSC_CEC)); | |
2489 | if (val & PORTSC_LWS) { | |
2490 | /* overwrite PLS only when LWS=1 */ | |
2491 | portsc &= ~(PORTSC_PLS_MASK << PORTSC_PLS_SHIFT); | |
2492 | portsc |= val & (PORTSC_PLS_MASK << PORTSC_PLS_SHIFT); | |
2493 | } | |
2494 | /* read/write bits */ | |
2495 | portsc &= ~(PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE); | |
2496 | portsc |= (val & (PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE)); | |
2497 | /* write-1-to-start bits */ | |
2498 | if (val & PORTSC_PR) { | |
2499 | DPRINTF("xhci: port %d reset\n", port); | |
1d8a4e69 | 2500 | usb_device_reset(port->uport->dev); |
62c6ae04 HM |
2501 | portsc |= PORTSC_PRC | PORTSC_PED; |
2502 | } | |
1d8a4e69 | 2503 | port->portsc = portsc; |
62c6ae04 HM |
2504 | break; |
2505 | case 0x04: /* PORTPMSC */ | |
2506 | case 0x08: /* PORTLI */ | |
2507 | default: | |
2508 | fprintf(stderr, "xhci_port_write (port %d): reg 0x%x unimplemented\n", | |
1d8a4e69 | 2509 | port->portnr, (uint32_t)reg); |
62c6ae04 HM |
2510 | } |
2511 | } | |
2512 | ||
a8170e5e | 2513 | static uint64_t xhci_oper_read(void *ptr, hwaddr reg, unsigned size) |
62c6ae04 | 2514 | { |
1b067564 | 2515 | XHCIState *xhci = ptr; |
2d754a10 | 2516 | uint32_t ret; |
62c6ae04 | 2517 | |
62c6ae04 HM |
2518 | switch (reg) { |
2519 | case 0x00: /* USBCMD */ | |
2d754a10 GH |
2520 | ret = xhci->usbcmd; |
2521 | break; | |
62c6ae04 | 2522 | case 0x04: /* USBSTS */ |
2d754a10 GH |
2523 | ret = xhci->usbsts; |
2524 | break; | |
62c6ae04 | 2525 | case 0x08: /* PAGESIZE */ |
2d754a10 GH |
2526 | ret = 1; /* 4KiB */ |
2527 | break; | |
62c6ae04 | 2528 | case 0x14: /* DNCTRL */ |
2d754a10 GH |
2529 | ret = xhci->dnctrl; |
2530 | break; | |
62c6ae04 | 2531 | case 0x18: /* CRCR low */ |
2d754a10 GH |
2532 | ret = xhci->crcr_low & ~0xe; |
2533 | break; | |
62c6ae04 | 2534 | case 0x1c: /* CRCR high */ |
2d754a10 GH |
2535 | ret = xhci->crcr_high; |
2536 | break; | |
62c6ae04 | 2537 | case 0x30: /* DCBAAP low */ |
2d754a10 GH |
2538 | ret = xhci->dcbaap_low; |
2539 | break; | |
62c6ae04 | 2540 | case 0x34: /* DCBAAP high */ |
2d754a10 GH |
2541 | ret = xhci->dcbaap_high; |
2542 | break; | |
62c6ae04 | 2543 | case 0x38: /* CONFIG */ |
2d754a10 GH |
2544 | ret = xhci->config; |
2545 | break; | |
62c6ae04 | 2546 | default: |
1b067564 | 2547 | fprintf(stderr, "xhci_oper_read: reg 0x%x unimplemented\n", (int)reg); |
2d754a10 | 2548 | ret = 0; |
62c6ae04 | 2549 | } |
2d754a10 GH |
2550 | |
2551 | trace_usb_xhci_oper_read(reg, ret); | |
2552 | return ret; | |
62c6ae04 HM |
2553 | } |
2554 | ||
a8170e5e | 2555 | static void xhci_oper_write(void *ptr, hwaddr reg, |
1b067564 | 2556 | uint64_t val, unsigned size) |
62c6ae04 | 2557 | { |
1b067564 GH |
2558 | XHCIState *xhci = ptr; |
2559 | ||
2d754a10 GH |
2560 | trace_usb_xhci_oper_write(reg, val); |
2561 | ||
62c6ae04 HM |
2562 | switch (reg) { |
2563 | case 0x00: /* USBCMD */ | |
2564 | if ((val & USBCMD_RS) && !(xhci->usbcmd & USBCMD_RS)) { | |
2565 | xhci_run(xhci); | |
2566 | } else if (!(val & USBCMD_RS) && (xhci->usbcmd & USBCMD_RS)) { | |
2567 | xhci_stop(xhci); | |
2568 | } | |
2569 | xhci->usbcmd = val & 0xc0f; | |
01546fa6 | 2570 | xhci_mfwrap_update(xhci); |
62c6ae04 | 2571 | if (val & USBCMD_HCRST) { |
64619739 | 2572 | xhci_reset(&xhci->pci_dev.qdev); |
62c6ae04 | 2573 | } |
4c4abe7c | 2574 | xhci_intx_update(xhci); |
62c6ae04 HM |
2575 | break; |
2576 | ||
2577 | case 0x04: /* USBSTS */ | |
2578 | /* these bits are write-1-to-clear */ | |
2579 | xhci->usbsts &= ~(val & (USBSTS_HSE|USBSTS_EINT|USBSTS_PCD|USBSTS_SRE)); | |
4c4abe7c | 2580 | xhci_intx_update(xhci); |
62c6ae04 HM |
2581 | break; |
2582 | ||
2583 | case 0x14: /* DNCTRL */ | |
2584 | xhci->dnctrl = val & 0xffff; | |
2585 | break; | |
2586 | case 0x18: /* CRCR low */ | |
2587 | xhci->crcr_low = (val & 0xffffffcf) | (xhci->crcr_low & CRCR_CRR); | |
2588 | break; | |
2589 | case 0x1c: /* CRCR high */ | |
2590 | xhci->crcr_high = val; | |
2591 | if (xhci->crcr_low & (CRCR_CA|CRCR_CS) && (xhci->crcr_low & CRCR_CRR)) { | |
2592 | XHCIEvent event = {ER_COMMAND_COMPLETE, CC_COMMAND_RING_STOPPED}; | |
2593 | xhci->crcr_low &= ~CRCR_CRR; | |
2d1de850 | 2594 | xhci_event(xhci, &event, 0); |
62c6ae04 HM |
2595 | DPRINTF("xhci: command ring stopped (CRCR=%08x)\n", xhci->crcr_low); |
2596 | } else { | |
59a70ccd | 2597 | dma_addr_t base = xhci_addr64(xhci->crcr_low & ~0x3f, val); |
62c6ae04 HM |
2598 | xhci_ring_init(xhci, &xhci->cmd_ring, base); |
2599 | } | |
2600 | xhci->crcr_low &= ~(CRCR_CA | CRCR_CS); | |
2601 | break; | |
2602 | case 0x30: /* DCBAAP low */ | |
2603 | xhci->dcbaap_low = val & 0xffffffc0; | |
2604 | break; | |
2605 | case 0x34: /* DCBAAP high */ | |
2606 | xhci->dcbaap_high = val; | |
2607 | break; | |
2608 | case 0x38: /* CONFIG */ | |
2609 | xhci->config = val & 0xff; | |
2610 | break; | |
2611 | default: | |
1b067564 | 2612 | fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n", (int)reg); |
62c6ae04 HM |
2613 | } |
2614 | } | |
2615 | ||
a8170e5e | 2616 | static uint64_t xhci_runtime_read(void *ptr, hwaddr reg, |
1b067564 | 2617 | unsigned size) |
62c6ae04 | 2618 | { |
1b067564 | 2619 | XHCIState *xhci = ptr; |
43d9d604 | 2620 | uint32_t ret = 0; |
62c6ae04 | 2621 | |
43d9d604 GH |
2622 | if (reg < 0x20) { |
2623 | switch (reg) { | |
2624 | case 0x00: /* MFINDEX */ | |
2625 | ret = xhci_mfindex_get(xhci) & 0x3fff; | |
2626 | break; | |
2627 | default: | |
1b067564 GH |
2628 | fprintf(stderr, "xhci_runtime_read: reg 0x%x unimplemented\n", |
2629 | (int)reg); | |
43d9d604 GH |
2630 | break; |
2631 | } | |
2632 | } else { | |
2633 | int v = (reg - 0x20) / 0x20; | |
2634 | XHCIInterrupter *intr = &xhci->intr[v]; | |
2635 | switch (reg & 0x1f) { | |
2636 | case 0x00: /* IMAN */ | |
2637 | ret = intr->iman; | |
2638 | break; | |
2639 | case 0x04: /* IMOD */ | |
2640 | ret = intr->imod; | |
2641 | break; | |
2642 | case 0x08: /* ERSTSZ */ | |
2643 | ret = intr->erstsz; | |
2644 | break; | |
2645 | case 0x10: /* ERSTBA low */ | |
2646 | ret = intr->erstba_low; | |
2647 | break; | |
2648 | case 0x14: /* ERSTBA high */ | |
2649 | ret = intr->erstba_high; | |
2650 | break; | |
2651 | case 0x18: /* ERDP low */ | |
2652 | ret = intr->erdp_low; | |
2653 | break; | |
2654 | case 0x1c: /* ERDP high */ | |
2655 | ret = intr->erdp_high; | |
2656 | break; | |
2657 | } | |
62c6ae04 | 2658 | } |
2d754a10 GH |
2659 | |
2660 | trace_usb_xhci_runtime_read(reg, ret); | |
2661 | return ret; | |
62c6ae04 HM |
2662 | } |
2663 | ||
a8170e5e | 2664 | static void xhci_runtime_write(void *ptr, hwaddr reg, |
1b067564 | 2665 | uint64_t val, unsigned size) |
62c6ae04 | 2666 | { |
1b067564 | 2667 | XHCIState *xhci = ptr; |
43d9d604 GH |
2668 | int v = (reg - 0x20) / 0x20; |
2669 | XHCIInterrupter *intr = &xhci->intr[v]; | |
8e9f18b6 | 2670 | trace_usb_xhci_runtime_write(reg, val); |
62c6ae04 | 2671 | |
43d9d604 | 2672 | if (reg < 0x20) { |
1b067564 | 2673 | fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n", (int)reg); |
43d9d604 GH |
2674 | return; |
2675 | } | |
2676 | ||
2677 | switch (reg & 0x1f) { | |
2678 | case 0x00: /* IMAN */ | |
62c6ae04 | 2679 | if (val & IMAN_IP) { |
962d11e1 | 2680 | intr->iman &= ~IMAN_IP; |
62c6ae04 | 2681 | } |
962d11e1 GH |
2682 | intr->iman &= ~IMAN_IE; |
2683 | intr->iman |= val & IMAN_IE; | |
43d9d604 GH |
2684 | if (v == 0) { |
2685 | xhci_intx_update(xhci); | |
2686 | } | |
2687 | xhci_msix_update(xhci, v); | |
62c6ae04 | 2688 | break; |
43d9d604 | 2689 | case 0x04: /* IMOD */ |
962d11e1 | 2690 | intr->imod = val; |
62c6ae04 | 2691 | break; |
43d9d604 | 2692 | case 0x08: /* ERSTSZ */ |
962d11e1 | 2693 | intr->erstsz = val & 0xffff; |
62c6ae04 | 2694 | break; |
43d9d604 | 2695 | case 0x10: /* ERSTBA low */ |
62c6ae04 | 2696 | /* XXX NEC driver bug: it doesn't align this to 64 bytes |
962d11e1 GH |
2697 | intr->erstba_low = val & 0xffffffc0; */ |
2698 | intr->erstba_low = val & 0xfffffff0; | |
62c6ae04 | 2699 | break; |
43d9d604 | 2700 | case 0x14: /* ERSTBA high */ |
962d11e1 | 2701 | intr->erstba_high = val; |
43d9d604 | 2702 | xhci_er_reset(xhci, v); |
62c6ae04 | 2703 | break; |
43d9d604 | 2704 | case 0x18: /* ERDP low */ |
62c6ae04 | 2705 | if (val & ERDP_EHB) { |
962d11e1 | 2706 | intr->erdp_low &= ~ERDP_EHB; |
62c6ae04 | 2707 | } |
962d11e1 | 2708 | intr->erdp_low = (val & ~ERDP_EHB) | (intr->erdp_low & ERDP_EHB); |
62c6ae04 | 2709 | break; |
43d9d604 | 2710 | case 0x1c: /* ERDP high */ |
962d11e1 | 2711 | intr->erdp_high = val; |
43d9d604 | 2712 | xhci_events_update(xhci, v); |
62c6ae04 HM |
2713 | break; |
2714 | default: | |
1b067564 GH |
2715 | fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n", |
2716 | (int)reg); | |
62c6ae04 HM |
2717 | } |
2718 | } | |
2719 | ||
a8170e5e | 2720 | static uint64_t xhci_doorbell_read(void *ptr, hwaddr reg, |
1b067564 | 2721 | unsigned size) |
62c6ae04 | 2722 | { |
62c6ae04 | 2723 | /* doorbells always read as 0 */ |
2d754a10 | 2724 | trace_usb_xhci_doorbell_read(reg, 0); |
62c6ae04 HM |
2725 | return 0; |
2726 | } | |
2727 | ||
a8170e5e | 2728 | static void xhci_doorbell_write(void *ptr, hwaddr reg, |
1b067564 | 2729 | uint64_t val, unsigned size) |
62c6ae04 | 2730 | { |
1b067564 GH |
2731 | XHCIState *xhci = ptr; |
2732 | ||
2d754a10 | 2733 | trace_usb_xhci_doorbell_write(reg, val); |
62c6ae04 HM |
2734 | |
2735 | if (!xhci_running(xhci)) { | |
2736 | fprintf(stderr, "xhci: wrote doorbell while xHC stopped or paused\n"); | |
2737 | return; | |
2738 | } | |
2739 | ||
2740 | reg >>= 2; | |
2741 | ||
2742 | if (reg == 0) { | |
2743 | if (val == 0) { | |
2744 | xhci_process_commands(xhci); | |
2745 | } else { | |
1b067564 GH |
2746 | fprintf(stderr, "xhci: bad doorbell 0 write: 0x%x\n", |
2747 | (uint32_t)val); | |
62c6ae04 HM |
2748 | } |
2749 | } else { | |
2750 | if (reg > MAXSLOTS) { | |
1b067564 | 2751 | fprintf(stderr, "xhci: bad doorbell %d\n", (int)reg); |
62c6ae04 | 2752 | } else if (val > 31) { |
1b067564 GH |
2753 | fprintf(stderr, "xhci: bad doorbell %d write: 0x%x\n", |
2754 | (int)reg, (uint32_t)val); | |
62c6ae04 HM |
2755 | } else { |
2756 | xhci_kick_ep(xhci, reg, val); | |
2757 | } | |
2758 | } | |
2759 | } | |
2760 | ||
1b067564 GH |
2761 | static const MemoryRegionOps xhci_cap_ops = { |
2762 | .read = xhci_cap_read, | |
6ee021d4 | 2763 | .valid.min_access_size = 1, |
1b067564 | 2764 | .valid.max_access_size = 4, |
6ee021d4 GH |
2765 | .impl.min_access_size = 4, |
2766 | .impl.max_access_size = 4, | |
1b067564 GH |
2767 | .endianness = DEVICE_LITTLE_ENDIAN, |
2768 | }; | |
62c6ae04 | 2769 | |
1b067564 GH |
2770 | static const MemoryRegionOps xhci_oper_ops = { |
2771 | .read = xhci_oper_read, | |
2772 | .write = xhci_oper_write, | |
2773 | .valid.min_access_size = 4, | |
2774 | .valid.max_access_size = 4, | |
2775 | .endianness = DEVICE_LITTLE_ENDIAN, | |
2776 | }; | |
62c6ae04 | 2777 | |
1d8a4e69 GH |
2778 | static const MemoryRegionOps xhci_port_ops = { |
2779 | .read = xhci_port_read, | |
2780 | .write = xhci_port_write, | |
2781 | .valid.min_access_size = 4, | |
2782 | .valid.max_access_size = 4, | |
2783 | .endianness = DEVICE_LITTLE_ENDIAN, | |
2784 | }; | |
2785 | ||
1b067564 GH |
2786 | static const MemoryRegionOps xhci_runtime_ops = { |
2787 | .read = xhci_runtime_read, | |
2788 | .write = xhci_runtime_write, | |
2789 | .valid.min_access_size = 4, | |
2790 | .valid.max_access_size = 4, | |
2791 | .endianness = DEVICE_LITTLE_ENDIAN, | |
2792 | }; | |
62c6ae04 | 2793 | |
1b067564 GH |
2794 | static const MemoryRegionOps xhci_doorbell_ops = { |
2795 | .read = xhci_doorbell_read, | |
2796 | .write = xhci_doorbell_write, | |
62c6ae04 HM |
2797 | .valid.min_access_size = 4, |
2798 | .valid.max_access_size = 4, | |
2799 | .endianness = DEVICE_LITTLE_ENDIAN, | |
2800 | }; | |
2801 | ||
2802 | static void xhci_attach(USBPort *usbport) | |
2803 | { | |
2804 | XHCIState *xhci = usbport->opaque; | |
0846e635 | 2805 | XHCIPort *port = xhci_lookup_port(xhci, usbport); |
62c6ae04 HM |
2806 | |
2807 | xhci_update_port(xhci, port, 0); | |
2808 | } | |
2809 | ||
2810 | static void xhci_detach(USBPort *usbport) | |
2811 | { | |
2812 | XHCIState *xhci = usbport->opaque; | |
0846e635 | 2813 | XHCIPort *port = xhci_lookup_port(xhci, usbport); |
62c6ae04 HM |
2814 | |
2815 | xhci_update_port(xhci, port, 1); | |
2816 | } | |
2817 | ||
8c735e43 GH |
2818 | static void xhci_wakeup(USBPort *usbport) |
2819 | { | |
2820 | XHCIState *xhci = usbport->opaque; | |
0846e635 GH |
2821 | XHCIPort *port = xhci_lookup_port(xhci, usbport); |
2822 | XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS, | |
2823 | port->portnr << 24}; | |
8c735e43 GH |
2824 | uint32_t pls; |
2825 | ||
2826 | pls = (port->portsc >> PORTSC_PLS_SHIFT) & PORTSC_PLS_MASK; | |
2827 | if (pls != 3) { | |
2828 | return; | |
2829 | } | |
2830 | port->portsc |= 0xf << PORTSC_PLS_SHIFT; | |
2831 | if (port->portsc & PORTSC_PLC) { | |
2832 | return; | |
2833 | } | |
2834 | port->portsc |= PORTSC_PLC; | |
2d1de850 | 2835 | xhci_event(xhci, &ev, 0); |
8c735e43 GH |
2836 | } |
2837 | ||
62c6ae04 HM |
2838 | static void xhci_complete(USBPort *port, USBPacket *packet) |
2839 | { | |
2840 | XHCITransfer *xfer = container_of(packet, XHCITransfer, packet); | |
2841 | ||
2842 | xhci_complete_packet(xfer, packet->result); | |
2843 | xhci_kick_ep(xfer->xhci, xfer->slotid, xfer->epid); | |
2844 | } | |
2845 | ||
ccaf87a0 | 2846 | static void xhci_child_detach(USBPort *uport, USBDevice *child) |
62c6ae04 | 2847 | { |
ccaf87a0 GH |
2848 | USBBus *bus = usb_bus_from_device(child); |
2849 | XHCIState *xhci = container_of(bus, XHCIState, bus); | |
2850 | int i; | |
2851 | ||
2852 | for (i = 0; i < MAXSLOTS; i++) { | |
2853 | if (xhci->slots[i].uport == uport) { | |
2854 | xhci->slots[i].uport = NULL; | |
2855 | } | |
2856 | } | |
62c6ae04 HM |
2857 | } |
2858 | ||
1d8a4e69 | 2859 | static USBPortOps xhci_uport_ops = { |
62c6ae04 HM |
2860 | .attach = xhci_attach, |
2861 | .detach = xhci_detach, | |
8c735e43 | 2862 | .wakeup = xhci_wakeup, |
62c6ae04 HM |
2863 | .complete = xhci_complete, |
2864 | .child_detach = xhci_child_detach, | |
2865 | }; | |
2866 | ||
7c605a23 GH |
2867 | static int xhci_find_slotid(XHCIState *xhci, USBDevice *dev) |
2868 | { | |
2869 | XHCISlot *slot; | |
2870 | int slotid; | |
2871 | ||
2872 | for (slotid = 1; slotid <= MAXSLOTS; slotid++) { | |
2873 | slot = &xhci->slots[slotid-1]; | |
2874 | if (slot->devaddr == dev->addr) { | |
2875 | return slotid; | |
2876 | } | |
2877 | } | |
2878 | return 0; | |
2879 | } | |
2880 | ||
2881 | static int xhci_find_epid(USBEndpoint *ep) | |
2882 | { | |
2883 | if (ep->nr == 0) { | |
2884 | return 1; | |
2885 | } | |
2886 | if (ep->pid == USB_TOKEN_IN) { | |
2887 | return ep->nr * 2 + 1; | |
2888 | } else { | |
2889 | return ep->nr * 2; | |
2890 | } | |
2891 | } | |
2892 | ||
2893 | static void xhci_wakeup_endpoint(USBBus *bus, USBEndpoint *ep) | |
2894 | { | |
2895 | XHCIState *xhci = container_of(bus, XHCIState, bus); | |
2896 | int slotid; | |
2897 | ||
2898 | DPRINTF("%s\n", __func__); | |
2899 | slotid = xhci_find_slotid(xhci, ep->dev); | |
2900 | if (slotid == 0 || !xhci->slots[slotid-1].enabled) { | |
2901 | DPRINTF("%s: oops, no slot for dev %d\n", __func__, ep->dev->addr); | |
2902 | return; | |
2903 | } | |
2904 | xhci_kick_ep(xhci, slotid, xhci_find_epid(ep)); | |
2905 | } | |
2906 | ||
62c6ae04 | 2907 | static USBBusOps xhci_bus_ops = { |
7c605a23 | 2908 | .wakeup_endpoint = xhci_wakeup_endpoint, |
62c6ae04 HM |
2909 | }; |
2910 | ||
2911 | static void usb_xhci_init(XHCIState *xhci, DeviceState *dev) | |
2912 | { | |
0846e635 GH |
2913 | XHCIPort *port; |
2914 | int i, usbports, speedmask; | |
62c6ae04 HM |
2915 | |
2916 | xhci->usbsts = USBSTS_HCH; | |
2917 | ||
0846e635 GH |
2918 | if (xhci->numports_2 > MAXPORTS_2) { |
2919 | xhci->numports_2 = MAXPORTS_2; | |
2920 | } | |
2921 | if (xhci->numports_3 > MAXPORTS_3) { | |
2922 | xhci->numports_3 = MAXPORTS_3; | |
2923 | } | |
2924 | usbports = MAX(xhci->numports_2, xhci->numports_3); | |
2925 | xhci->numports = xhci->numports_2 + xhci->numports_3; | |
2926 | ||
62c6ae04 HM |
2927 | usb_bus_new(&xhci->bus, &xhci_bus_ops, &xhci->pci_dev.qdev); |
2928 | ||
0846e635 GH |
2929 | for (i = 0; i < usbports; i++) { |
2930 | speedmask = 0; | |
2931 | if (i < xhci->numports_2) { | |
2932 | port = &xhci->ports[i]; | |
2933 | port->portnr = i + 1; | |
2934 | port->uport = &xhci->uports[i]; | |
2935 | port->speedmask = | |
2936 | USB_SPEED_MASK_LOW | | |
2937 | USB_SPEED_MASK_FULL | | |
2938 | USB_SPEED_MASK_HIGH; | |
1d8a4e69 | 2939 | snprintf(port->name, sizeof(port->name), "usb2 port #%d", i+1); |
0846e635 GH |
2940 | speedmask |= port->speedmask; |
2941 | } | |
2942 | if (i < xhci->numports_3) { | |
2943 | port = &xhci->ports[i + xhci->numports_2]; | |
2944 | port->portnr = i + 1 + xhci->numports_2; | |
2945 | port->uport = &xhci->uports[i]; | |
2946 | port->speedmask = USB_SPEED_MASK_SUPER; | |
1d8a4e69 | 2947 | snprintf(port->name, sizeof(port->name), "usb3 port #%d", i+1); |
0846e635 GH |
2948 | speedmask |= port->speedmask; |
2949 | } | |
2950 | usb_register_port(&xhci->bus, &xhci->uports[i], xhci, i, | |
1d8a4e69 | 2951 | &xhci_uport_ops, speedmask); |
62c6ae04 | 2952 | } |
62c6ae04 HM |
2953 | } |
2954 | ||
2955 | static int usb_xhci_initfn(struct PCIDevice *dev) | |
2956 | { | |
1d8a4e69 | 2957 | int i, ret; |
62c6ae04 HM |
2958 | |
2959 | XHCIState *xhci = DO_UPCAST(XHCIState, pci_dev, dev); | |
2960 | ||
2961 | xhci->pci_dev.config[PCI_CLASS_PROG] = 0x30; /* xHCI */ | |
2962 | xhci->pci_dev.config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin 1 */ | |
2963 | xhci->pci_dev.config[PCI_CACHE_LINE_SIZE] = 0x10; | |
2964 | xhci->pci_dev.config[0x60] = 0x30; /* release number */ | |
2965 | ||
2966 | usb_xhci_init(xhci, &dev->qdev); | |
2967 | ||
01546fa6 GH |
2968 | xhci->mfwrap_timer = qemu_new_timer_ns(vm_clock, xhci_mfwrap_timer, xhci); |
2969 | ||
62c6ae04 HM |
2970 | xhci->irq = xhci->pci_dev.irq[0]; |
2971 | ||
1b067564 GH |
2972 | memory_region_init(&xhci->mem, "xhci", LEN_REGS); |
2973 | memory_region_init_io(&xhci->mem_cap, &xhci_cap_ops, xhci, | |
2974 | "capabilities", LEN_CAP); | |
2975 | memory_region_init_io(&xhci->mem_oper, &xhci_oper_ops, xhci, | |
1d8a4e69 | 2976 | "operational", 0x400); |
1b067564 GH |
2977 | memory_region_init_io(&xhci->mem_runtime, &xhci_runtime_ops, xhci, |
2978 | "runtime", LEN_RUNTIME); | |
2979 | memory_region_init_io(&xhci->mem_doorbell, &xhci_doorbell_ops, xhci, | |
2980 | "doorbell", LEN_DOORBELL); | |
2981 | ||
2982 | memory_region_add_subregion(&xhci->mem, 0, &xhci->mem_cap); | |
2983 | memory_region_add_subregion(&xhci->mem, OFF_OPER, &xhci->mem_oper); | |
2984 | memory_region_add_subregion(&xhci->mem, OFF_RUNTIME, &xhci->mem_runtime); | |
2985 | memory_region_add_subregion(&xhci->mem, OFF_DOORBELL, &xhci->mem_doorbell); | |
2986 | ||
1d8a4e69 GH |
2987 | for (i = 0; i < xhci->numports; i++) { |
2988 | XHCIPort *port = &xhci->ports[i]; | |
2989 | uint32_t offset = OFF_OPER + 0x400 + 0x10 * i; | |
2990 | port->xhci = xhci; | |
2991 | memory_region_init_io(&port->mem, &xhci_port_ops, port, | |
2992 | port->name, 0x10); | |
2993 | memory_region_add_subregion(&xhci->mem, offset, &port->mem); | |
2994 | } | |
2995 | ||
62c6ae04 HM |
2996 | pci_register_bar(&xhci->pci_dev, 0, |
2997 | PCI_BASE_ADDRESS_SPACE_MEMORY|PCI_BASE_ADDRESS_MEM_TYPE_64, | |
2998 | &xhci->mem); | |
2999 | ||
3000 | ret = pcie_cap_init(&xhci->pci_dev, 0xa0, PCI_EXP_TYPE_ENDPOINT, 0); | |
3001 | assert(ret >= 0); | |
3002 | ||
c5e9b02d GH |
3003 | if (xhci->flags & (1 << XHCI_FLAG_USE_MSI)) { |
3004 | msi_init(&xhci->pci_dev, 0x70, MAXINTRS, true, false); | |
62c6ae04 | 3005 | } |
4c47f800 GH |
3006 | if (xhci->flags & (1 << XHCI_FLAG_USE_MSI_X)) { |
3007 | msix_init(&xhci->pci_dev, MAXINTRS, | |
3008 | &xhci->mem, 0, OFF_MSIX_TABLE, | |
3009 | &xhci->mem, 0, OFF_MSIX_PBA, | |
3010 | 0x90); | |
3011 | } | |
62c6ae04 HM |
3012 | |
3013 | return 0; | |
3014 | } | |
3015 | ||
62c6ae04 HM |
3016 | static const VMStateDescription vmstate_xhci = { |
3017 | .name = "xhci", | |
3018 | .unmigratable = 1, | |
3019 | }; | |
3020 | ||
39bffca2 | 3021 | static Property xhci_properties[] = { |
c5e9b02d | 3022 | DEFINE_PROP_BIT("msi", XHCIState, flags, XHCI_FLAG_USE_MSI, true), |
4c47f800 | 3023 | DEFINE_PROP_BIT("msix", XHCIState, flags, XHCI_FLAG_USE_MSI_X, true), |
0846e635 GH |
3024 | DEFINE_PROP_UINT32("p2", XHCIState, numports_2, 4), |
3025 | DEFINE_PROP_UINT32("p3", XHCIState, numports_3, 4), | |
39bffca2 AL |
3026 | DEFINE_PROP_END_OF_LIST(), |
3027 | }; | |
3028 | ||
40021f08 AL |
3029 | static void xhci_class_init(ObjectClass *klass, void *data) |
3030 | { | |
3031 | PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); | |
39bffca2 | 3032 | DeviceClass *dc = DEVICE_CLASS(klass); |
40021f08 | 3033 | |
39bffca2 AL |
3034 | dc->vmsd = &vmstate_xhci; |
3035 | dc->props = xhci_properties; | |
64619739 | 3036 | dc->reset = xhci_reset; |
40021f08 AL |
3037 | k->init = usb_xhci_initfn; |
3038 | k->vendor_id = PCI_VENDOR_ID_NEC; | |
3039 | k->device_id = PCI_DEVICE_ID_NEC_UPD720200; | |
3040 | k->class_id = PCI_CLASS_SERIAL_USB; | |
3041 | k->revision = 0x03; | |
3042 | k->is_express = 1; | |
40021f08 AL |
3043 | } |
3044 | ||
39bffca2 AL |
3045 | static TypeInfo xhci_info = { |
3046 | .name = "nec-usb-xhci", | |
3047 | .parent = TYPE_PCI_DEVICE, | |
3048 | .instance_size = sizeof(XHCIState), | |
3049 | .class_init = xhci_class_init, | |
62c6ae04 HM |
3050 | }; |
3051 | ||
83f7d43a | 3052 | static void xhci_register_types(void) |
62c6ae04 | 3053 | { |
39bffca2 | 3054 | type_register_static(&xhci_info); |
62c6ae04 | 3055 | } |
83f7d43a AF |
3056 | |
3057 | type_init(xhci_register_types) |