2 * USB xHCI controller emulation
4 * Copyright (c) 2011 Securiforest
6 * Based on usb-ohci.c, emulates Renesas NEC USB 3.0
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.
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.
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/>.
22 #include "qemu-timer.h"
33 #define DPRINTF(...) fprintf(stderr, __VA_ARGS__)
35 #define DPRINTF(...) do {} while (0)
37 #define FIXME() do { fprintf(stderr, "FIXME %s:%d\n", \
38 __func__, __LINE__); abort(); } while (0)
43 #define MAXPORTS (MAXPORTS_2+MAXPORTS_3)
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 */
56 #define LEN_OPER (0x400 + 0x10 * MAXPORTS)
57 #define LEN_RUNTIME ((MAXINTRS + 1) * 0x20)
58 #define LEN_DOORBELL ((MAXSLOTS + 1) * 0x20)
60 #define OFF_OPER LEN_CAP
61 #define OFF_RUNTIME 0x1000
62 #define OFF_DOORBELL 0x2000
63 #define OFF_MSIX_TABLE 0x3000
64 #define OFF_MSIX_PBA 0x3800
65 /* must be power of 2 */
66 #define LEN_REGS 0x4000
68 #if (OFF_OPER + LEN_OPER) > OFF_RUNTIME
69 #error Increase OFF_RUNTIME
71 #if (OFF_RUNTIME + LEN_RUNTIME) > OFF_DOORBELL
72 #error Increase OFF_DOORBELL
74 #if (OFF_DOORBELL + LEN_DOORBELL) > LEN_REGS
75 # error Increase LEN_REGS
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)
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)
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)
130 #define CRCR_RCS (1<<0)
131 #define CRCR_CS (1<<1)
132 #define CRCR_CA (1<<2)
133 #define CRCR_CRR (1<<3)
135 #define IMAN_IP (1<<0)
136 #define IMAN_IE (1<<1)
138 #define ERDP_EHB (1<<3)
141 typedef struct XHCITRB {
150 typedef enum TRBType {
163 CR_CONFIGURE_ENDPOINT,
171 CR_SET_LATENCY_TOLERANCE,
172 CR_GET_PORT_BANDWIDTH,
177 ER_PORT_STATUS_CHANGE,
178 ER_BANDWIDTH_REQUEST,
181 ER_DEVICE_NOTIFICATION,
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,
189 #define CR_LINK TR_LINK
191 typedef enum TRBCCode {
194 CC_DATA_BUFFER_ERROR,
196 CC_USB_TRANSACTION_ERROR,
202 CC_INVALID_STREAM_TYPE_ERROR,
203 CC_SLOT_NOT_ENABLED_ERROR,
204 CC_EP_NOT_ENABLED_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,
219 CC_STOPPED_LENGTH_INVALID,
220 CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR = 29,
221 CC_ISOCH_BUFFER_OVERRUN = 31,
224 CC_INVALID_STREAM_ID_ERROR,
225 CC_SECONDARY_BANDWIDTH_ERROR,
226 CC_SPLIT_TRANSACTION_ERROR
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)
234 #define TRB_EV_ED (1<<2)
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)
251 #define TRB_TR_DIR (1<<16)
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
258 #define TRB_CR_BSR (1<<9)
259 #define TRB_CR_DC (1<<9)
261 #define TRB_LK_TC (1<<1)
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)
267 #define EP_TYPE_MASK 0x7
268 #define EP_TYPE_SHIFT 3
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)
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
285 #define SLOT_CONTEXT_ENTRIES_MASK 0x1f
286 #define SLOT_CONTEXT_ENTRIES_SHIFT 27
288 typedef struct XHCIState XHCIState;
290 typedef enum EPType {
301 typedef struct XHCIRing {
307 typedef struct XHCIPort {
317 typedef struct XHCITransfer {
326 unsigned int iso_pkts;
332 unsigned int trb_count;
333 unsigned int trb_alloced;
339 unsigned int pktsize;
340 unsigned int cur_pkt;
342 uint64_t mfindex_kick;
345 typedef struct XHCIEPContext {
351 unsigned int next_xfer;
352 unsigned int comp_xfer;
353 XHCITransfer transfers[TD_QUEUE];
357 unsigned int max_psize;
360 /* iso xfer scheduling */
361 unsigned int interval;
362 int64_t mfindex_last;
363 QEMUTimer *kick_timer;
366 typedef struct XHCISlot {
370 unsigned int devaddr;
371 XHCIEPContext * eps[31];
374 typedef struct XHCIEvent {
384 typedef struct XHCIInterrupter {
389 uint32_t erstba_high;
393 bool msix_used, er_pcs, er_full;
397 unsigned int er_ep_idx;
399 XHCIEvent ev_buffer[EV_QUEUE];
400 unsigned int ev_buffer_put;
401 unsigned int ev_buffer_get;
410 MemoryRegion mem_cap;
411 MemoryRegion mem_oper;
412 MemoryRegion mem_runtime;
413 MemoryRegion mem_doorbell;
415 unsigned int devaddr;
424 /* Operational Registers */
431 uint32_t dcbaap_high;
434 USBPort uports[MAX(MAXPORTS_2, MAXPORTS_3)];
435 XHCIPort ports[MAXPORTS];
436 XHCISlot slots[MAXSLOTS];
439 /* Runtime Registers */
440 int64_t mfindex_start;
441 QEMUTimer *mfwrap_timer;
442 XHCIInterrupter intr[MAXINTRS];
447 typedef struct XHCIEvRingSeg {
455 XHCI_FLAG_USE_MSI = 1,
459 static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid,
461 static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v);
462 static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v);
464 static const char *TRBType_names[] = {
465 [TRB_RESERVED] = "TRB_RESERVED",
466 [TR_NORMAL] = "TR_NORMAL",
467 [TR_SETUP] = "TR_SETUP",
468 [TR_DATA] = "TR_DATA",
469 [TR_STATUS] = "TR_STATUS",
470 [TR_ISOCH] = "TR_ISOCH",
471 [TR_LINK] = "TR_LINK",
472 [TR_EVDATA] = "TR_EVDATA",
473 [TR_NOOP] = "TR_NOOP",
474 [CR_ENABLE_SLOT] = "CR_ENABLE_SLOT",
475 [CR_DISABLE_SLOT] = "CR_DISABLE_SLOT",
476 [CR_ADDRESS_DEVICE] = "CR_ADDRESS_DEVICE",
477 [CR_CONFIGURE_ENDPOINT] = "CR_CONFIGURE_ENDPOINT",
478 [CR_EVALUATE_CONTEXT] = "CR_EVALUATE_CONTEXT",
479 [CR_RESET_ENDPOINT] = "CR_RESET_ENDPOINT",
480 [CR_STOP_ENDPOINT] = "CR_STOP_ENDPOINT",
481 [CR_SET_TR_DEQUEUE] = "CR_SET_TR_DEQUEUE",
482 [CR_RESET_DEVICE] = "CR_RESET_DEVICE",
483 [CR_FORCE_EVENT] = "CR_FORCE_EVENT",
484 [CR_NEGOTIATE_BW] = "CR_NEGOTIATE_BW",
485 [CR_SET_LATENCY_TOLERANCE] = "CR_SET_LATENCY_TOLERANCE",
486 [CR_GET_PORT_BANDWIDTH] = "CR_GET_PORT_BANDWIDTH",
487 [CR_FORCE_HEADER] = "CR_FORCE_HEADER",
488 [CR_NOOP] = "CR_NOOP",
489 [ER_TRANSFER] = "ER_TRANSFER",
490 [ER_COMMAND_COMPLETE] = "ER_COMMAND_COMPLETE",
491 [ER_PORT_STATUS_CHANGE] = "ER_PORT_STATUS_CHANGE",
492 [ER_BANDWIDTH_REQUEST] = "ER_BANDWIDTH_REQUEST",
493 [ER_DOORBELL] = "ER_DOORBELL",
494 [ER_HOST_CONTROLLER] = "ER_HOST_CONTROLLER",
495 [ER_DEVICE_NOTIFICATION] = "ER_DEVICE_NOTIFICATION",
496 [ER_MFINDEX_WRAP] = "ER_MFINDEX_WRAP",
497 [CR_VENDOR_VIA_CHALLENGE_RESPONSE] = "CR_VENDOR_VIA_CHALLENGE_RESPONSE",
498 [CR_VENDOR_NEC_FIRMWARE_REVISION] = "CR_VENDOR_NEC_FIRMWARE_REVISION",
499 [CR_VENDOR_NEC_CHALLENGE_RESPONSE] = "CR_VENDOR_NEC_CHALLENGE_RESPONSE",
502 static const char *TRBCCode_names[] = {
503 [CC_INVALID] = "CC_INVALID",
504 [CC_SUCCESS] = "CC_SUCCESS",
505 [CC_DATA_BUFFER_ERROR] = "CC_DATA_BUFFER_ERROR",
506 [CC_BABBLE_DETECTED] = "CC_BABBLE_DETECTED",
507 [CC_USB_TRANSACTION_ERROR] = "CC_USB_TRANSACTION_ERROR",
508 [CC_TRB_ERROR] = "CC_TRB_ERROR",
509 [CC_STALL_ERROR] = "CC_STALL_ERROR",
510 [CC_RESOURCE_ERROR] = "CC_RESOURCE_ERROR",
511 [CC_BANDWIDTH_ERROR] = "CC_BANDWIDTH_ERROR",
512 [CC_NO_SLOTS_ERROR] = "CC_NO_SLOTS_ERROR",
513 [CC_INVALID_STREAM_TYPE_ERROR] = "CC_INVALID_STREAM_TYPE_ERROR",
514 [CC_SLOT_NOT_ENABLED_ERROR] = "CC_SLOT_NOT_ENABLED_ERROR",
515 [CC_EP_NOT_ENABLED_ERROR] = "CC_EP_NOT_ENABLED_ERROR",
516 [CC_SHORT_PACKET] = "CC_SHORT_PACKET",
517 [CC_RING_UNDERRUN] = "CC_RING_UNDERRUN",
518 [CC_RING_OVERRUN] = "CC_RING_OVERRUN",
519 [CC_VF_ER_FULL] = "CC_VF_ER_FULL",
520 [CC_PARAMETER_ERROR] = "CC_PARAMETER_ERROR",
521 [CC_BANDWIDTH_OVERRUN] = "CC_BANDWIDTH_OVERRUN",
522 [CC_CONTEXT_STATE_ERROR] = "CC_CONTEXT_STATE_ERROR",
523 [CC_NO_PING_RESPONSE_ERROR] = "CC_NO_PING_RESPONSE_ERROR",
524 [CC_EVENT_RING_FULL_ERROR] = "CC_EVENT_RING_FULL_ERROR",
525 [CC_INCOMPATIBLE_DEVICE_ERROR] = "CC_INCOMPATIBLE_DEVICE_ERROR",
526 [CC_MISSED_SERVICE_ERROR] = "CC_MISSED_SERVICE_ERROR",
527 [CC_COMMAND_RING_STOPPED] = "CC_COMMAND_RING_STOPPED",
528 [CC_COMMAND_ABORTED] = "CC_COMMAND_ABORTED",
529 [CC_STOPPED] = "CC_STOPPED",
530 [CC_STOPPED_LENGTH_INVALID] = "CC_STOPPED_LENGTH_INVALID",
531 [CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR]
532 = "CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR",
533 [CC_ISOCH_BUFFER_OVERRUN] = "CC_ISOCH_BUFFER_OVERRUN",
534 [CC_EVENT_LOST_ERROR] = "CC_EVENT_LOST_ERROR",
535 [CC_UNDEFINED_ERROR] = "CC_UNDEFINED_ERROR",
536 [CC_INVALID_STREAM_ID_ERROR] = "CC_INVALID_STREAM_ID_ERROR",
537 [CC_SECONDARY_BANDWIDTH_ERROR] = "CC_SECONDARY_BANDWIDTH_ERROR",
538 [CC_SPLIT_TRANSACTION_ERROR] = "CC_SPLIT_TRANSACTION_ERROR",
541 static const char *lookup_name(uint32_t index, const char **list, uint32_t llen)
543 if (index >= llen || list[index] == NULL) {
549 static const char *trb_name(XHCITRB *trb)
551 return lookup_name(TRB_TYPE(*trb), TRBType_names,
552 ARRAY_SIZE(TRBType_names));
555 static const char *event_name(XHCIEvent *event)
557 return lookup_name(event->ccode, TRBCCode_names,
558 ARRAY_SIZE(TRBCCode_names));
561 static uint64_t xhci_mfindex_get(XHCIState *xhci)
563 int64_t now = qemu_get_clock_ns(vm_clock);
564 return (now - xhci->mfindex_start) / 125000;
567 static void xhci_mfwrap_update(XHCIState *xhci)
569 const uint32_t bits = USBCMD_RS | USBCMD_EWE;
570 uint32_t mfindex, left;
573 if ((xhci->usbcmd & bits) == bits) {
574 now = qemu_get_clock_ns(vm_clock);
575 mfindex = ((now - xhci->mfindex_start) / 125000) & 0x3fff;
576 left = 0x4000 - mfindex;
577 qemu_mod_timer(xhci->mfwrap_timer, now + left * 125000);
579 qemu_del_timer(xhci->mfwrap_timer);
583 static void xhci_mfwrap_timer(void *opaque)
585 XHCIState *xhci = opaque;
586 XHCIEvent wrap = { ER_MFINDEX_WRAP, CC_SUCCESS };
588 xhci_event(xhci, &wrap, 0);
589 xhci_mfwrap_update(xhci);
592 static inline dma_addr_t xhci_addr64(uint32_t low, uint32_t high)
594 if (sizeof(dma_addr_t) == 4) {
597 return low | (((dma_addr_t)high << 16) << 16);
601 static inline dma_addr_t xhci_mask64(uint64_t addr)
603 if (sizeof(dma_addr_t) == 4) {
604 return addr & 0xffffffff;
610 static XHCIPort *xhci_lookup_port(XHCIState *xhci, struct USBPort *uport)
617 switch (uport->dev->speed) {
621 index = uport->index;
623 case USB_SPEED_SUPER:
624 index = uport->index + xhci->numports_2;
629 return &xhci->ports[index];
632 static void xhci_intx_update(XHCIState *xhci)
636 if (msix_enabled(&xhci->pci_dev) ||
637 msi_enabled(&xhci->pci_dev)) {
641 if (xhci->intr[0].iman & IMAN_IP &&
642 xhci->intr[0].iman & IMAN_IE &&
643 xhci->usbcmd & USBCMD_INTE) {
647 trace_usb_xhci_irq_intx(level);
648 qemu_set_irq(xhci->irq, level);
651 static void xhci_msix_update(XHCIState *xhci, int v)
655 if (!msix_enabled(&xhci->pci_dev)) {
659 enabled = xhci->intr[v].iman & IMAN_IE;
660 if (enabled == xhci->intr[v].msix_used) {
665 trace_usb_xhci_irq_msix_use(v);
666 msix_vector_use(&xhci->pci_dev, v);
667 xhci->intr[v].msix_used = true;
669 trace_usb_xhci_irq_msix_unuse(v);
670 msix_vector_unuse(&xhci->pci_dev, v);
671 xhci->intr[v].msix_used = false;
675 static void xhci_intr_raise(XHCIState *xhci, int v)
677 xhci->intr[v].erdp_low |= ERDP_EHB;
678 xhci->intr[v].iman |= IMAN_IP;
679 xhci->usbsts |= USBSTS_EINT;
681 if (!(xhci->intr[v].iman & IMAN_IE)) {
685 if (!(xhci->usbcmd & USBCMD_INTE)) {
689 if (msix_enabled(&xhci->pci_dev)) {
690 trace_usb_xhci_irq_msix(v);
691 msix_notify(&xhci->pci_dev, v);
695 if (msi_enabled(&xhci->pci_dev)) {
696 trace_usb_xhci_irq_msi(v);
697 msi_notify(&xhci->pci_dev, v);
702 trace_usb_xhci_irq_intx(1);
703 qemu_set_irq(xhci->irq, 1);
707 static inline int xhci_running(XHCIState *xhci)
709 return !(xhci->usbsts & USBSTS_HCH) && !xhci->intr[0].er_full;
712 static void xhci_die(XHCIState *xhci)
714 xhci->usbsts |= USBSTS_HCE;
715 fprintf(stderr, "xhci: asserted controller error\n");
718 static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v)
720 XHCIInterrupter *intr = &xhci->intr[v];
724 ev_trb.parameter = cpu_to_le64(event->ptr);
725 ev_trb.status = cpu_to_le32(event->length | (event->ccode << 24));
726 ev_trb.control = (event->slotid << 24) | (event->epid << 16) |
727 event->flags | (event->type << TRB_TYPE_SHIFT);
729 ev_trb.control |= TRB_C;
731 ev_trb.control = cpu_to_le32(ev_trb.control);
733 trace_usb_xhci_queue_event(v, intr->er_ep_idx, trb_name(&ev_trb),
734 event_name(event), ev_trb.parameter,
735 ev_trb.status, ev_trb.control);
737 addr = intr->er_start + TRB_SIZE*intr->er_ep_idx;
738 pci_dma_write(&xhci->pci_dev, addr, &ev_trb, TRB_SIZE);
741 if (intr->er_ep_idx >= intr->er_size) {
743 intr->er_pcs = !intr->er_pcs;
747 static void xhci_events_update(XHCIState *xhci, int v)
749 XHCIInterrupter *intr = &xhci->intr[v];
754 if (xhci->usbsts & USBSTS_HCH) {
758 erdp = xhci_addr64(intr->erdp_low, intr->erdp_high);
759 if (erdp < intr->er_start ||
760 erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) {
761 fprintf(stderr, "xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp);
762 fprintf(stderr, "xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n",
763 v, intr->er_start, intr->er_size);
767 dp_idx = (erdp - intr->er_start) / TRB_SIZE;
768 assert(dp_idx < intr->er_size);
770 /* NEC didn't read section 4.9.4 of the spec (v1.0 p139 top Note) and thus
771 * deadlocks when the ER is full. Hack it by holding off events until
772 * the driver decides to free at least half of the ring */
774 int er_free = dp_idx - intr->er_ep_idx;
776 er_free += intr->er_size;
778 if (er_free < (intr->er_size/2)) {
779 DPRINTF("xhci_events_update(): event ring still "
780 "more than half full (hack)\n");
785 while (intr->ev_buffer_put != intr->ev_buffer_get) {
786 assert(intr->er_full);
787 if (((intr->er_ep_idx+1) % intr->er_size) == dp_idx) {
788 DPRINTF("xhci_events_update(): event ring full again\n");
790 XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR};
791 xhci_write_event(xhci, &full, v);
796 XHCIEvent *event = &intr->ev_buffer[intr->ev_buffer_get];
797 xhci_write_event(xhci, event, v);
798 intr->ev_buffer_get++;
800 if (intr->ev_buffer_get == EV_QUEUE) {
801 intr->ev_buffer_get = 0;
806 xhci_intr_raise(xhci, v);
809 if (intr->er_full && intr->ev_buffer_put == intr->ev_buffer_get) {
810 DPRINTF("xhci_events_update(): event ring no longer full\n");
815 static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v)
817 XHCIInterrupter *intr;
821 if (v >= xhci->numintrs) {
822 DPRINTF("intr nr out of range (%d >= %d)\n", v, xhci->numintrs);
825 intr = &xhci->intr[v];
828 DPRINTF("xhci_event(): ER full, queueing\n");
829 if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) {
830 fprintf(stderr, "xhci: event queue full, dropping event!\n");
833 intr->ev_buffer[intr->ev_buffer_put++] = *event;
834 if (intr->ev_buffer_put == EV_QUEUE) {
835 intr->ev_buffer_put = 0;
840 erdp = xhci_addr64(intr->erdp_low, intr->erdp_high);
841 if (erdp < intr->er_start ||
842 erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) {
843 fprintf(stderr, "xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp);
844 fprintf(stderr, "xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n",
845 v, intr->er_start, intr->er_size);
850 dp_idx = (erdp - intr->er_start) / TRB_SIZE;
851 assert(dp_idx < intr->er_size);
853 if ((intr->er_ep_idx+1) % intr->er_size == dp_idx) {
854 DPRINTF("xhci_event(): ER full, queueing\n");
856 XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR};
857 xhci_write_event(xhci, &full);
860 if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) {
861 fprintf(stderr, "xhci: event queue full, dropping event!\n");
864 intr->ev_buffer[intr->ev_buffer_put++] = *event;
865 if (intr->ev_buffer_put == EV_QUEUE) {
866 intr->ev_buffer_put = 0;
869 xhci_write_event(xhci, event, v);
872 xhci_intr_raise(xhci, v);
875 static void xhci_ring_init(XHCIState *xhci, XHCIRing *ring,
879 ring->dequeue = base;
883 static TRBType xhci_ring_fetch(XHCIState *xhci, XHCIRing *ring, XHCITRB *trb,
888 pci_dma_read(&xhci->pci_dev, ring->dequeue, trb, TRB_SIZE);
889 trb->addr = ring->dequeue;
890 trb->ccs = ring->ccs;
891 le64_to_cpus(&trb->parameter);
892 le32_to_cpus(&trb->status);
893 le32_to_cpus(&trb->control);
895 trace_usb_xhci_fetch_trb(ring->dequeue, trb_name(trb),
896 trb->parameter, trb->status, trb->control);
898 if ((trb->control & TRB_C) != ring->ccs) {
902 type = TRB_TYPE(*trb);
904 if (type != TR_LINK) {
906 *addr = ring->dequeue;
908 ring->dequeue += TRB_SIZE;
911 ring->dequeue = xhci_mask64(trb->parameter);
912 if (trb->control & TRB_LK_TC) {
913 ring->ccs = !ring->ccs;
919 static int xhci_ring_chain_length(XHCIState *xhci, const XHCIRing *ring)
923 dma_addr_t dequeue = ring->dequeue;
924 bool ccs = ring->ccs;
925 /* hack to bundle together the two/three TDs that make a setup transfer */
926 bool control_td_set = 0;
930 pci_dma_read(&xhci->pci_dev, dequeue, &trb, TRB_SIZE);
931 le64_to_cpus(&trb.parameter);
932 le32_to_cpus(&trb.status);
933 le32_to_cpus(&trb.control);
935 if ((trb.control & TRB_C) != ccs) {
939 type = TRB_TYPE(trb);
941 if (type == TR_LINK) {
942 dequeue = xhci_mask64(trb.parameter);
943 if (trb.control & TRB_LK_TC) {
952 if (type == TR_SETUP) {
954 } else if (type == TR_STATUS) {
958 if (!control_td_set && !(trb.control & TRB_TR_CH)) {
964 static void xhci_er_reset(XHCIState *xhci, int v)
966 XHCIInterrupter *intr = &xhci->intr[v];
969 if (intr->erstsz == 0) {
975 /* cache the (sole) event ring segment location */
976 if (intr->erstsz != 1) {
977 fprintf(stderr, "xhci: invalid value for ERSTSZ: %d\n", intr->erstsz);
981 dma_addr_t erstba = xhci_addr64(intr->erstba_low, intr->erstba_high);
982 pci_dma_read(&xhci->pci_dev, erstba, &seg, sizeof(seg));
983 le32_to_cpus(&seg.addr_low);
984 le32_to_cpus(&seg.addr_high);
985 le32_to_cpus(&seg.size);
986 if (seg.size < 16 || seg.size > 4096) {
987 fprintf(stderr, "xhci: invalid value for segment size: %d\n", seg.size);
991 intr->er_start = xhci_addr64(seg.addr_low, seg.addr_high);
992 intr->er_size = seg.size;
998 DPRINTF("xhci: event ring[%d]:" DMA_ADDR_FMT " [%d]\n",
999 v, intr->er_start, intr->er_size);
1002 static void xhci_run(XHCIState *xhci)
1004 trace_usb_xhci_run();
1005 xhci->usbsts &= ~USBSTS_HCH;
1006 xhci->mfindex_start = qemu_get_clock_ns(vm_clock);
1009 static void xhci_stop(XHCIState *xhci)
1011 trace_usb_xhci_stop();
1012 xhci->usbsts |= USBSTS_HCH;
1013 xhci->crcr_low &= ~CRCR_CRR;
1016 static void xhci_set_ep_state(XHCIState *xhci, XHCIEPContext *epctx,
1021 pci_dma_read(&xhci->pci_dev, epctx->pctx, ctx, sizeof(ctx));
1022 ctx[0] &= ~EP_STATE_MASK;
1024 ctx[2] = epctx->ring.dequeue | epctx->ring.ccs;
1025 ctx[3] = (epctx->ring.dequeue >> 16) >> 16;
1026 DPRINTF("xhci: set epctx: " DMA_ADDR_FMT " state=%d dequeue=%08x%08x\n",
1027 epctx->pctx, state, ctx[3], ctx[2]);
1028 pci_dma_write(&xhci->pci_dev, epctx->pctx, ctx, sizeof(ctx));
1029 epctx->state = state;
1032 static void xhci_ep_kick_timer(void *opaque)
1034 XHCIEPContext *epctx = opaque;
1035 xhci_kick_ep(epctx->xhci, epctx->slotid, epctx->epid);
1038 static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid,
1039 unsigned int epid, dma_addr_t pctx,
1043 XHCIEPContext *epctx;
1047 trace_usb_xhci_ep_enable(slotid, epid);
1048 assert(slotid >= 1 && slotid <= xhci->numslots);
1049 assert(epid >= 1 && epid <= 31);
1051 slot = &xhci->slots[slotid-1];
1052 if (slot->eps[epid-1]) {
1053 fprintf(stderr, "xhci: slot %d ep %d already enabled!\n", slotid, epid);
1054 return CC_TRB_ERROR;
1057 epctx = g_malloc(sizeof(XHCIEPContext));
1058 memset(epctx, 0, sizeof(XHCIEPContext));
1060 epctx->slotid = slotid;
1063 slot->eps[epid-1] = epctx;
1065 dequeue = xhci_addr64(ctx[2] & ~0xf, ctx[3]);
1066 xhci_ring_init(xhci, &epctx->ring, dequeue);
1067 epctx->ring.ccs = ctx[2] & 1;
1069 epctx->type = (ctx[1] >> EP_TYPE_SHIFT) & EP_TYPE_MASK;
1070 DPRINTF("xhci: endpoint %d.%d type is %d\n", epid/2, epid%2, epctx->type);
1072 epctx->max_psize = ctx[1]>>16;
1073 epctx->max_psize *= 1+((ctx[1]>>8)&0xff);
1074 DPRINTF("xhci: endpoint %d.%d max transaction (burst) size is %d\n",
1075 epid/2, epid%2, epctx->max_psize);
1076 for (i = 0; i < ARRAY_SIZE(epctx->transfers); i++) {
1077 usb_packet_init(&epctx->transfers[i].packet);
1080 epctx->interval = 1 << (ctx[0] >> 16) & 0xff;
1081 epctx->mfindex_last = 0;
1082 epctx->kick_timer = qemu_new_timer_ns(vm_clock, xhci_ep_kick_timer, epctx);
1084 epctx->state = EP_RUNNING;
1085 ctx[0] &= ~EP_STATE_MASK;
1086 ctx[0] |= EP_RUNNING;
1091 static int xhci_ep_nuke_one_xfer(XHCITransfer *t)
1095 if (t->running_async) {
1096 usb_cancel_packet(&t->packet);
1097 t->running_async = 0;
1099 DPRINTF("xhci: cancelling transfer, waiting for it to complete\n");
1102 if (t->running_retry) {
1103 XHCIEPContext *epctx = t->xhci->slots[t->slotid-1].eps[t->epid-1];
1105 epctx->retry = NULL;
1106 qemu_del_timer(epctx->kick_timer);
1108 t->running_retry = 0;
1115 t->trb_count = t->trb_alloced = 0;
1120 static int xhci_ep_nuke_xfers(XHCIState *xhci, unsigned int slotid,
1124 XHCIEPContext *epctx;
1125 int i, xferi, killed = 0;
1126 assert(slotid >= 1 && slotid <= xhci->numslots);
1127 assert(epid >= 1 && epid <= 31);
1129 DPRINTF("xhci_ep_nuke_xfers(%d, %d)\n", slotid, epid);
1131 slot = &xhci->slots[slotid-1];
1133 if (!slot->eps[epid-1]) {
1137 epctx = slot->eps[epid-1];
1139 xferi = epctx->next_xfer;
1140 for (i = 0; i < TD_QUEUE; i++) {
1141 killed += xhci_ep_nuke_one_xfer(&epctx->transfers[xferi]);
1142 xferi = (xferi + 1) % TD_QUEUE;
1147 static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid,
1151 XHCIEPContext *epctx;
1153 trace_usb_xhci_ep_disable(slotid, epid);
1154 assert(slotid >= 1 && slotid <= xhci->numslots);
1155 assert(epid >= 1 && epid <= 31);
1157 slot = &xhci->slots[slotid-1];
1159 if (!slot->eps[epid-1]) {
1160 DPRINTF("xhci: slot %d ep %d already disabled\n", slotid, epid);
1164 xhci_ep_nuke_xfers(xhci, slotid, epid);
1166 epctx = slot->eps[epid-1];
1168 xhci_set_ep_state(xhci, epctx, EP_DISABLED);
1170 qemu_free_timer(epctx->kick_timer);
1172 slot->eps[epid-1] = NULL;
1177 static TRBCCode xhci_stop_ep(XHCIState *xhci, unsigned int slotid,
1181 XHCIEPContext *epctx;
1183 trace_usb_xhci_ep_stop(slotid, epid);
1184 assert(slotid >= 1 && slotid <= xhci->numslots);
1186 if (epid < 1 || epid > 31) {
1187 fprintf(stderr, "xhci: bad ep %d\n", epid);
1188 return CC_TRB_ERROR;
1191 slot = &xhci->slots[slotid-1];
1193 if (!slot->eps[epid-1]) {
1194 DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid);
1195 return CC_EP_NOT_ENABLED_ERROR;
1198 if (xhci_ep_nuke_xfers(xhci, slotid, epid) > 0) {
1199 fprintf(stderr, "xhci: FIXME: endpoint stopped w/ xfers running, "
1200 "data might be lost\n");
1203 epctx = slot->eps[epid-1];
1205 xhci_set_ep_state(xhci, epctx, EP_STOPPED);
1210 static TRBCCode xhci_reset_ep(XHCIState *xhci, unsigned int slotid,
1214 XHCIEPContext *epctx;
1217 trace_usb_xhci_ep_reset(slotid, epid);
1218 assert(slotid >= 1 && slotid <= xhci->numslots);
1220 if (epid < 1 || epid > 31) {
1221 fprintf(stderr, "xhci: bad ep %d\n", epid);
1222 return CC_TRB_ERROR;
1225 slot = &xhci->slots[slotid-1];
1227 if (!slot->eps[epid-1]) {
1228 DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid);
1229 return CC_EP_NOT_ENABLED_ERROR;
1232 epctx = slot->eps[epid-1];
1234 if (epctx->state != EP_HALTED) {
1235 fprintf(stderr, "xhci: reset EP while EP %d not halted (%d)\n",
1236 epid, epctx->state);
1237 return CC_CONTEXT_STATE_ERROR;
1240 if (xhci_ep_nuke_xfers(xhci, slotid, epid) > 0) {
1241 fprintf(stderr, "xhci: FIXME: endpoint reset w/ xfers running, "
1242 "data might be lost\n");
1245 uint8_t ep = epid>>1;
1251 dev = xhci->slots[slotid-1].uport->dev;
1253 return CC_USB_TRANSACTION_ERROR;
1256 xhci_set_ep_state(xhci, epctx, EP_STOPPED);
1261 static TRBCCode xhci_set_ep_dequeue(XHCIState *xhci, unsigned int slotid,
1262 unsigned int epid, uint64_t pdequeue)
1265 XHCIEPContext *epctx;
1268 assert(slotid >= 1 && slotid <= xhci->numslots);
1270 if (epid < 1 || epid > 31) {
1271 fprintf(stderr, "xhci: bad ep %d\n", epid);
1272 return CC_TRB_ERROR;
1275 trace_usb_xhci_ep_set_dequeue(slotid, epid, pdequeue);
1276 dequeue = xhci_mask64(pdequeue);
1278 slot = &xhci->slots[slotid-1];
1280 if (!slot->eps[epid-1]) {
1281 DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid);
1282 return CC_EP_NOT_ENABLED_ERROR;
1285 epctx = slot->eps[epid-1];
1288 if (epctx->state != EP_STOPPED) {
1289 fprintf(stderr, "xhci: set EP dequeue pointer while EP %d not stopped\n", epid);
1290 return CC_CONTEXT_STATE_ERROR;
1293 xhci_ring_init(xhci, &epctx->ring, dequeue & ~0xF);
1294 epctx->ring.ccs = dequeue & 1;
1296 xhci_set_ep_state(xhci, epctx, EP_STOPPED);
1301 static int xhci_xfer_create_sgl(XHCITransfer *xfer, int in_xfer)
1303 XHCIState *xhci = xfer->xhci;
1306 xfer->int_req = false;
1307 pci_dma_sglist_init(&xfer->sgl, &xhci->pci_dev, xfer->trb_count);
1308 for (i = 0; i < xfer->trb_count; i++) {
1309 XHCITRB *trb = &xfer->trbs[i];
1311 unsigned int chunk = 0;
1313 if (trb->control & TRB_TR_IOC) {
1314 xfer->int_req = true;
1317 switch (TRB_TYPE(*trb)) {
1319 if ((!(trb->control & TRB_TR_DIR)) != (!in_xfer)) {
1320 fprintf(stderr, "xhci: data direction mismatch for TR_DATA\n");
1326 addr = xhci_mask64(trb->parameter);
1327 chunk = trb->status & 0x1ffff;
1328 if (trb->control & TRB_TR_IDT) {
1329 if (chunk > 8 || in_xfer) {
1330 fprintf(stderr, "xhci: invalid immediate data TRB\n");
1333 qemu_sglist_add(&xfer->sgl, trb->addr, chunk);
1335 qemu_sglist_add(&xfer->sgl, addr, chunk);
1344 qemu_sglist_destroy(&xfer->sgl);
1349 static void xhci_xfer_unmap(XHCITransfer *xfer)
1351 usb_packet_unmap(&xfer->packet, &xfer->sgl);
1352 qemu_sglist_destroy(&xfer->sgl);
1355 static void xhci_xfer_report(XHCITransfer *xfer)
1361 XHCIEvent event = {ER_TRANSFER, CC_SUCCESS};
1362 XHCIState *xhci = xfer->xhci;
1365 left = xfer->packet.result < 0 ? 0 : xfer->packet.result;
1367 for (i = 0; i < xfer->trb_count; i++) {
1368 XHCITRB *trb = &xfer->trbs[i];
1369 unsigned int chunk = 0;
1371 switch (TRB_TYPE(*trb)) {
1375 chunk = trb->status & 0x1ffff;
1378 if (xfer->status == CC_SUCCESS) {
1391 if (!reported && ((trb->control & TRB_TR_IOC) ||
1392 (shortpkt && (trb->control & TRB_TR_ISP)) ||
1393 (xfer->status != CC_SUCCESS))) {
1394 event.slotid = xfer->slotid;
1395 event.epid = xfer->epid;
1396 event.length = (trb->status & 0x1ffff) - chunk;
1398 event.ptr = trb->addr;
1399 if (xfer->status == CC_SUCCESS) {
1400 event.ccode = shortpkt ? CC_SHORT_PACKET : CC_SUCCESS;
1402 event.ccode = xfer->status;
1404 if (TRB_TYPE(*trb) == TR_EVDATA) {
1405 event.ptr = trb->parameter;
1406 event.flags |= TRB_EV_ED;
1407 event.length = edtla & 0xffffff;
1408 DPRINTF("xhci_xfer_data: EDTLA=%d\n", event.length);
1411 xhci_event(xhci, &event, TRB_INTR(*trb));
1413 if (xfer->status != CC_SUCCESS) {
1420 static void xhci_stall_ep(XHCITransfer *xfer)
1422 XHCIState *xhci = xfer->xhci;
1423 XHCISlot *slot = &xhci->slots[xfer->slotid-1];
1424 XHCIEPContext *epctx = slot->eps[xfer->epid-1];
1426 epctx->ring.dequeue = xfer->trbs[0].addr;
1427 epctx->ring.ccs = xfer->trbs[0].ccs;
1428 xhci_set_ep_state(xhci, epctx, EP_HALTED);
1429 DPRINTF("xhci: stalled slot %d ep %d\n", xfer->slotid, xfer->epid);
1430 DPRINTF("xhci: will continue at "DMA_ADDR_FMT"\n", epctx->ring.dequeue);
1433 static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer,
1434 XHCIEPContext *epctx);
1436 static int xhci_setup_packet(XHCITransfer *xfer)
1438 XHCIState *xhci = xfer->xhci;
1443 dir = xfer->in_xfer ? USB_TOKEN_IN : USB_TOKEN_OUT;
1445 if (xfer->packet.ep) {
1446 ep = xfer->packet.ep;
1449 if (!xhci->slots[xfer->slotid-1].uport) {
1450 fprintf(stderr, "xhci: slot %d has no device\n",
1454 dev = xhci->slots[xfer->slotid-1].uport->dev;
1455 ep = usb_ep_get(dev, dir, xfer->epid >> 1);
1458 xhci_xfer_create_sgl(xfer, dir == USB_TOKEN_IN); /* Also sets int_req */
1459 usb_packet_setup(&xfer->packet, dir, ep, xfer->trbs[0].addr, false,
1461 usb_packet_map(&xfer->packet, &xfer->sgl);
1462 DPRINTF("xhci: setup packet pid 0x%x addr %d ep %d\n",
1463 xfer->packet.pid, dev->addr, ep->nr);
1467 static int xhci_complete_packet(XHCITransfer *xfer, int ret)
1469 if (ret == USB_RET_ASYNC) {
1470 trace_usb_xhci_xfer_async(xfer);
1471 xfer->running_async = 1;
1472 xfer->running_retry = 0;
1474 xfer->cancelled = 0;
1476 } else if (ret == USB_RET_NAK) {
1477 trace_usb_xhci_xfer_nak(xfer);
1478 xfer->running_async = 0;
1479 xfer->running_retry = 1;
1481 xfer->cancelled = 0;
1484 xfer->running_async = 0;
1485 xfer->running_retry = 0;
1487 xhci_xfer_unmap(xfer);
1491 trace_usb_xhci_xfer_success(xfer, ret);
1492 xfer->status = CC_SUCCESS;
1493 xhci_xfer_report(xfer);
1498 trace_usb_xhci_xfer_error(xfer, ret);
1501 xfer->status = CC_USB_TRANSACTION_ERROR;
1502 xhci_xfer_report(xfer);
1503 xhci_stall_ep(xfer);
1506 xfer->status = CC_STALL_ERROR;
1507 xhci_xfer_report(xfer);
1508 xhci_stall_ep(xfer);
1511 fprintf(stderr, "%s: FIXME: ret = %d\n", __FUNCTION__, ret);
1517 static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer)
1519 XHCITRB *trb_setup, *trb_status;
1520 uint8_t bmRequestType;
1523 trb_setup = &xfer->trbs[0];
1524 trb_status = &xfer->trbs[xfer->trb_count-1];
1526 trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid);
1528 /* at most one Event Data TRB allowed after STATUS */
1529 if (TRB_TYPE(*trb_status) == TR_EVDATA && xfer->trb_count > 2) {
1533 /* do some sanity checks */
1534 if (TRB_TYPE(*trb_setup) != TR_SETUP) {
1535 fprintf(stderr, "xhci: ep0 first TD not SETUP: %d\n",
1536 TRB_TYPE(*trb_setup));
1539 if (TRB_TYPE(*trb_status) != TR_STATUS) {
1540 fprintf(stderr, "xhci: ep0 last TD not STATUS: %d\n",
1541 TRB_TYPE(*trb_status));
1544 if (!(trb_setup->control & TRB_TR_IDT)) {
1545 fprintf(stderr, "xhci: Setup TRB doesn't have IDT set\n");
1548 if ((trb_setup->status & 0x1ffff) != 8) {
1549 fprintf(stderr, "xhci: Setup TRB has bad length (%d)\n",
1550 (trb_setup->status & 0x1ffff));
1554 bmRequestType = trb_setup->parameter;
1556 xfer->in_xfer = bmRequestType & USB_DIR_IN;
1557 xfer->iso_xfer = false;
1559 if (xhci_setup_packet(xfer) < 0) {
1562 xfer->packet.parameter = trb_setup->parameter;
1564 ret = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet);
1566 xhci_complete_packet(xfer, ret);
1567 if (!xfer->running_async && !xfer->running_retry) {
1568 xhci_kick_ep(xhci, xfer->slotid, xfer->epid);
1573 static void xhci_calc_iso_kick(XHCIState *xhci, XHCITransfer *xfer,
1574 XHCIEPContext *epctx, uint64_t mfindex)
1576 if (xfer->trbs[0].control & TRB_TR_SIA) {
1577 uint64_t asap = ((mfindex + epctx->interval - 1) &
1578 ~(epctx->interval-1));
1579 if (asap >= epctx->mfindex_last &&
1580 asap <= epctx->mfindex_last + epctx->interval * 4) {
1581 xfer->mfindex_kick = epctx->mfindex_last + epctx->interval;
1583 xfer->mfindex_kick = asap;
1586 xfer->mfindex_kick = (xfer->trbs[0].control >> TRB_TR_FRAMEID_SHIFT)
1587 & TRB_TR_FRAMEID_MASK;
1588 xfer->mfindex_kick |= mfindex & ~0x3fff;
1589 if (xfer->mfindex_kick < mfindex) {
1590 xfer->mfindex_kick += 0x4000;
1595 static void xhci_check_iso_kick(XHCIState *xhci, XHCITransfer *xfer,
1596 XHCIEPContext *epctx, uint64_t mfindex)
1598 if (xfer->mfindex_kick > mfindex) {
1599 qemu_mod_timer(epctx->kick_timer, qemu_get_clock_ns(vm_clock) +
1600 (xfer->mfindex_kick - mfindex) * 125000);
1601 xfer->running_retry = 1;
1603 epctx->mfindex_last = xfer->mfindex_kick;
1604 qemu_del_timer(epctx->kick_timer);
1605 xfer->running_retry = 0;
1610 static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx)
1615 DPRINTF("xhci_submit(slotid=%d,epid=%d)\n", xfer->slotid, xfer->epid);
1617 xfer->in_xfer = epctx->type>>2;
1619 switch(epctx->type) {
1625 xfer->iso_xfer = false;
1630 xfer->iso_xfer = true;
1631 mfindex = xhci_mfindex_get(xhci);
1632 xhci_calc_iso_kick(xhci, xfer, epctx, mfindex);
1633 xhci_check_iso_kick(xhci, xfer, epctx, mfindex);
1634 if (xfer->running_retry) {
1639 fprintf(stderr, "xhci: unknown or unhandled EP "
1640 "(type %d, in %d, ep %02x)\n",
1641 epctx->type, xfer->in_xfer, xfer->epid);
1645 if (xhci_setup_packet(xfer) < 0) {
1648 ret = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet);
1650 xhci_complete_packet(xfer, ret);
1651 if (!xfer->running_async && !xfer->running_retry) {
1652 xhci_kick_ep(xhci, xfer->slotid, xfer->epid);
1657 static int xhci_fire_transfer(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx)
1659 trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid);
1660 return xhci_submit(xhci, xfer, epctx);
1663 static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, unsigned int epid)
1665 XHCIEPContext *epctx;
1666 USBEndpoint *ep = NULL;
1671 trace_usb_xhci_ep_kick(slotid, epid);
1672 assert(slotid >= 1 && slotid <= xhci->numslots);
1673 assert(epid >= 1 && epid <= 31);
1675 if (!xhci->slots[slotid-1].enabled) {
1676 fprintf(stderr, "xhci: xhci_kick_ep for disabled slot %d\n", slotid);
1679 epctx = xhci->slots[slotid-1].eps[epid-1];
1681 fprintf(stderr, "xhci: xhci_kick_ep for disabled endpoint %d,%d\n",
1687 XHCITransfer *xfer = epctx->retry;
1690 trace_usb_xhci_xfer_retry(xfer);
1691 assert(xfer->running_retry);
1692 if (xfer->iso_xfer) {
1693 /* retry delayed iso transfer */
1694 mfindex = xhci_mfindex_get(xhci);
1695 xhci_check_iso_kick(xhci, xfer, epctx, mfindex);
1696 if (xfer->running_retry) {
1699 if (xhci_setup_packet(xfer) < 0) {
1702 result = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet);
1703 assert(result != USB_RET_NAK);
1704 xhci_complete_packet(xfer, result);
1706 /* retry nak'ed transfer */
1707 if (xhci_setup_packet(xfer) < 0) {
1710 result = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet);
1711 if (result == USB_RET_NAK) {
1714 xhci_complete_packet(xfer, result);
1716 assert(!xfer->running_retry);
1717 epctx->retry = NULL;
1720 if (epctx->state == EP_HALTED) {
1721 DPRINTF("xhci: ep halted, not running schedule\n");
1725 xhci_set_ep_state(xhci, epctx, EP_RUNNING);
1728 XHCITransfer *xfer = &epctx->transfers[epctx->next_xfer];
1729 if (xfer->running_async || xfer->running_retry) {
1732 length = xhci_ring_chain_length(xhci, &epctx->ring);
1735 } else if (length == 0) {
1738 if (xfer->trbs && xfer->trb_alloced < length) {
1739 xfer->trb_count = 0;
1740 xfer->trb_alloced = 0;
1745 xfer->trbs = g_malloc(sizeof(XHCITRB) * length);
1746 xfer->trb_alloced = length;
1748 xfer->trb_count = length;
1750 for (i = 0; i < length; i++) {
1751 assert(xhci_ring_fetch(xhci, &epctx->ring, &xfer->trbs[i], NULL));
1755 xfer->slotid = slotid;
1758 if (xhci_fire_ctl_transfer(xhci, xfer) >= 0) {
1759 epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE;
1760 ep = xfer->packet.ep;
1762 fprintf(stderr, "xhci: error firing CTL transfer\n");
1765 if (xhci_fire_transfer(xhci, xfer, epctx) >= 0) {
1766 epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE;
1767 ep = xfer->packet.ep;
1769 if (!xfer->iso_xfer) {
1770 fprintf(stderr, "xhci: error firing data transfer\n");
1775 if (epctx->state == EP_HALTED) {
1778 if (xfer->running_retry) {
1779 DPRINTF("xhci: xfer nacked, stopping schedule\n");
1780 epctx->retry = xfer;
1785 usb_device_flush_ep_queue(ep->dev, ep);
1789 static TRBCCode xhci_enable_slot(XHCIState *xhci, unsigned int slotid)
1791 trace_usb_xhci_slot_enable(slotid);
1792 assert(slotid >= 1 && slotid <= xhci->numslots);
1793 xhci->slots[slotid-1].enabled = 1;
1794 xhci->slots[slotid-1].uport = NULL;
1795 memset(xhci->slots[slotid-1].eps, 0, sizeof(XHCIEPContext*)*31);
1800 static TRBCCode xhci_disable_slot(XHCIState *xhci, unsigned int slotid)
1804 trace_usb_xhci_slot_disable(slotid);
1805 assert(slotid >= 1 && slotid <= xhci->numslots);
1807 for (i = 1; i <= 31; i++) {
1808 if (xhci->slots[slotid-1].eps[i-1]) {
1809 xhci_disable_ep(xhci, slotid, i);
1813 xhci->slots[slotid-1].enabled = 0;
1817 static USBPort *xhci_lookup_uport(XHCIState *xhci, uint32_t *slot_ctx)
1823 port = (slot_ctx[1]>>16) & 0xFF;
1824 port = xhci->ports[port-1].uport->index+1;
1825 pos = snprintf(path, sizeof(path), "%d", port);
1826 for (i = 0; i < 5; i++) {
1827 port = (slot_ctx[0] >> 4*i) & 0x0f;
1831 pos += snprintf(path + pos, sizeof(path) - pos, ".%d", port);
1834 QTAILQ_FOREACH(uport, &xhci->bus.used, next) {
1835 if (strcmp(uport->path, path) == 0) {
1842 static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid,
1843 uint64_t pictx, bool bsr)
1848 dma_addr_t ictx, octx, dcbaap;
1850 uint32_t ictl_ctx[2];
1851 uint32_t slot_ctx[4];
1852 uint32_t ep0_ctx[5];
1856 trace_usb_xhci_slot_address(slotid);
1857 assert(slotid >= 1 && slotid <= xhci->numslots);
1859 dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high);
1860 pci_dma_read(&xhci->pci_dev, dcbaap + 8*slotid, &poctx, sizeof(poctx));
1861 ictx = xhci_mask64(pictx);
1862 octx = xhci_mask64(le64_to_cpu(poctx));
1864 DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx);
1865 DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx);
1867 pci_dma_read(&xhci->pci_dev, ictx, ictl_ctx, sizeof(ictl_ctx));
1869 if (ictl_ctx[0] != 0x0 || ictl_ctx[1] != 0x3) {
1870 fprintf(stderr, "xhci: invalid input context control %08x %08x\n",
1871 ictl_ctx[0], ictl_ctx[1]);
1872 return CC_TRB_ERROR;
1875 pci_dma_read(&xhci->pci_dev, ictx+32, slot_ctx, sizeof(slot_ctx));
1876 pci_dma_read(&xhci->pci_dev, ictx+64, ep0_ctx, sizeof(ep0_ctx));
1878 DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n",
1879 slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]);
1881 DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n",
1882 ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]);
1884 uport = xhci_lookup_uport(xhci, slot_ctx);
1885 if (uport == NULL) {
1886 fprintf(stderr, "xhci: port not found\n");
1887 return CC_TRB_ERROR;
1892 fprintf(stderr, "xhci: port %s not connected\n", uport->path);
1893 return CC_USB_TRANSACTION_ERROR;
1896 for (i = 0; i < xhci->numslots; i++) {
1897 if (xhci->slots[i].uport == uport) {
1898 fprintf(stderr, "xhci: port %s already assigned to slot %d\n",
1900 return CC_TRB_ERROR;
1904 slot = &xhci->slots[slotid-1];
1905 slot->uport = uport;
1909 slot_ctx[3] = SLOT_DEFAULT << SLOT_STATE_SHIFT;
1911 slot->devaddr = xhci->devaddr++;
1912 slot_ctx[3] = (SLOT_ADDRESSED << SLOT_STATE_SHIFT) | slot->devaddr;
1913 DPRINTF("xhci: device address is %d\n", slot->devaddr);
1914 usb_device_handle_control(dev, NULL,
1915 DeviceOutRequest | USB_REQ_SET_ADDRESS,
1916 slot->devaddr, 0, 0, NULL);
1919 res = xhci_enable_ep(xhci, slotid, 1, octx+32, ep0_ctx);
1921 DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",
1922 slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]);
1923 DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n",
1924 ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]);
1926 pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx));
1927 pci_dma_write(&xhci->pci_dev, octx+32, ep0_ctx, sizeof(ep0_ctx));
1933 static TRBCCode xhci_configure_slot(XHCIState *xhci, unsigned int slotid,
1934 uint64_t pictx, bool dc)
1936 dma_addr_t ictx, octx;
1937 uint32_t ictl_ctx[2];
1938 uint32_t slot_ctx[4];
1939 uint32_t islot_ctx[4];
1944 trace_usb_xhci_slot_configure(slotid);
1945 assert(slotid >= 1 && slotid <= xhci->numslots);
1947 ictx = xhci_mask64(pictx);
1948 octx = xhci->slots[slotid-1].ctx;
1950 DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx);
1951 DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx);
1954 for (i = 2; i <= 31; i++) {
1955 if (xhci->slots[slotid-1].eps[i-1]) {
1956 xhci_disable_ep(xhci, slotid, i);
1960 pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx));
1961 slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT);
1962 slot_ctx[3] |= SLOT_ADDRESSED << SLOT_STATE_SHIFT;
1963 DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",
1964 slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]);
1965 pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx));
1970 pci_dma_read(&xhci->pci_dev, ictx, ictl_ctx, sizeof(ictl_ctx));
1972 if ((ictl_ctx[0] & 0x3) != 0x0 || (ictl_ctx[1] & 0x3) != 0x1) {
1973 fprintf(stderr, "xhci: invalid input context control %08x %08x\n",
1974 ictl_ctx[0], ictl_ctx[1]);
1975 return CC_TRB_ERROR;
1978 pci_dma_read(&xhci->pci_dev, ictx+32, islot_ctx, sizeof(islot_ctx));
1979 pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx));
1981 if (SLOT_STATE(slot_ctx[3]) < SLOT_ADDRESSED) {
1982 fprintf(stderr, "xhci: invalid slot state %08x\n", slot_ctx[3]);
1983 return CC_CONTEXT_STATE_ERROR;
1986 for (i = 2; i <= 31; i++) {
1987 if (ictl_ctx[0] & (1<<i)) {
1988 xhci_disable_ep(xhci, slotid, i);
1990 if (ictl_ctx[1] & (1<<i)) {
1991 pci_dma_read(&xhci->pci_dev, ictx+32+(32*i), ep_ctx,
1993 DPRINTF("xhci: input ep%d.%d context: %08x %08x %08x %08x %08x\n",
1994 i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2],
1995 ep_ctx[3], ep_ctx[4]);
1996 xhci_disable_ep(xhci, slotid, i);
1997 res = xhci_enable_ep(xhci, slotid, i, octx+(32*i), ep_ctx);
1998 if (res != CC_SUCCESS) {
2001 DPRINTF("xhci: output ep%d.%d context: %08x %08x %08x %08x %08x\n",
2002 i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2],
2003 ep_ctx[3], ep_ctx[4]);
2004 pci_dma_write(&xhci->pci_dev, octx+(32*i), ep_ctx, sizeof(ep_ctx));
2008 slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT);
2009 slot_ctx[3] |= SLOT_CONFIGURED << SLOT_STATE_SHIFT;
2010 slot_ctx[0] &= ~(SLOT_CONTEXT_ENTRIES_MASK << SLOT_CONTEXT_ENTRIES_SHIFT);
2011 slot_ctx[0] |= islot_ctx[0] & (SLOT_CONTEXT_ENTRIES_MASK <<
2012 SLOT_CONTEXT_ENTRIES_SHIFT);
2013 DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",
2014 slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]);
2016 pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx));
2022 static TRBCCode xhci_evaluate_slot(XHCIState *xhci, unsigned int slotid,
2025 dma_addr_t ictx, octx;
2026 uint32_t ictl_ctx[2];
2027 uint32_t iep0_ctx[5];
2028 uint32_t ep0_ctx[5];
2029 uint32_t islot_ctx[4];
2030 uint32_t slot_ctx[4];
2032 trace_usb_xhci_slot_evaluate(slotid);
2033 assert(slotid >= 1 && slotid <= xhci->numslots);
2035 ictx = xhci_mask64(pictx);
2036 octx = xhci->slots[slotid-1].ctx;
2038 DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx);
2039 DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx);
2041 pci_dma_read(&xhci->pci_dev, ictx, ictl_ctx, sizeof(ictl_ctx));
2043 if (ictl_ctx[0] != 0x0 || ictl_ctx[1] & ~0x3) {
2044 fprintf(stderr, "xhci: invalid input context control %08x %08x\n",
2045 ictl_ctx[0], ictl_ctx[1]);
2046 return CC_TRB_ERROR;
2049 if (ictl_ctx[1] & 0x1) {
2050 pci_dma_read(&xhci->pci_dev, ictx+32, islot_ctx, sizeof(islot_ctx));
2052 DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n",
2053 islot_ctx[0], islot_ctx[1], islot_ctx[2], islot_ctx[3]);
2055 pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx));
2057 slot_ctx[1] &= ~0xFFFF; /* max exit latency */
2058 slot_ctx[1] |= islot_ctx[1] & 0xFFFF;
2059 slot_ctx[2] &= ~0xFF00000; /* interrupter target */
2060 slot_ctx[2] |= islot_ctx[2] & 0xFF000000;
2062 DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",
2063 slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]);
2065 pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx));
2068 if (ictl_ctx[1] & 0x2) {
2069 pci_dma_read(&xhci->pci_dev, ictx+64, iep0_ctx, sizeof(iep0_ctx));
2071 DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n",
2072 iep0_ctx[0], iep0_ctx[1], iep0_ctx[2],
2073 iep0_ctx[3], iep0_ctx[4]);
2075 pci_dma_read(&xhci->pci_dev, octx+32, ep0_ctx, sizeof(ep0_ctx));
2077 ep0_ctx[1] &= ~0xFFFF0000; /* max packet size*/
2078 ep0_ctx[1] |= iep0_ctx[1] & 0xFFFF0000;
2080 DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n",
2081 ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]);
2083 pci_dma_write(&xhci->pci_dev, octx+32, ep0_ctx, sizeof(ep0_ctx));
2089 static TRBCCode xhci_reset_slot(XHCIState *xhci, unsigned int slotid)
2091 uint32_t slot_ctx[4];
2095 trace_usb_xhci_slot_reset(slotid);
2096 assert(slotid >= 1 && slotid <= xhci->numslots);
2098 octx = xhci->slots[slotid-1].ctx;
2100 DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx);
2102 for (i = 2; i <= 31; i++) {
2103 if (xhci->slots[slotid-1].eps[i-1]) {
2104 xhci_disable_ep(xhci, slotid, i);
2108 pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx));
2109 slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT);
2110 slot_ctx[3] |= SLOT_DEFAULT << SLOT_STATE_SHIFT;
2111 DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",
2112 slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]);
2113 pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx));
2118 static unsigned int xhci_get_slot(XHCIState *xhci, XHCIEvent *event, XHCITRB *trb)
2120 unsigned int slotid;
2121 slotid = (trb->control >> TRB_CR_SLOTID_SHIFT) & TRB_CR_SLOTID_MASK;
2122 if (slotid < 1 || slotid > xhci->numslots) {
2123 fprintf(stderr, "xhci: bad slot id %d\n", slotid);
2124 event->ccode = CC_TRB_ERROR;
2126 } else if (!xhci->slots[slotid-1].enabled) {
2127 fprintf(stderr, "xhci: slot id %d not enabled\n", slotid);
2128 event->ccode = CC_SLOT_NOT_ENABLED_ERROR;
2134 static TRBCCode xhci_get_port_bandwidth(XHCIState *xhci, uint64_t pctx)
2137 uint8_t bw_ctx[xhci->numports+1];
2139 DPRINTF("xhci_get_port_bandwidth()\n");
2141 ctx = xhci_mask64(pctx);
2143 DPRINTF("xhci: bandwidth context at "DMA_ADDR_FMT"\n", ctx);
2145 /* TODO: actually implement real values here */
2147 memset(&bw_ctx[1], 80, xhci->numports); /* 80% */
2148 pci_dma_write(&xhci->pci_dev, ctx, bw_ctx, sizeof(bw_ctx));
2153 static uint32_t rotl(uint32_t v, unsigned count)
2156 return (v << count) | (v >> (32 - count));
2160 static uint32_t xhci_nec_challenge(uint32_t hi, uint32_t lo)
2163 val = rotl(lo - 0x49434878, 32 - ((hi>>8) & 0x1F));
2164 val += rotl(lo + 0x49434878, hi & 0x1F);
2165 val -= rotl(hi ^ 0x49434878, (lo >> 16) & 0x1F);
2169 static void xhci_via_challenge(XHCIState *xhci, uint64_t addr)
2173 dma_addr_t paddr = xhci_mask64(addr);
2175 pci_dma_read(&xhci->pci_dev, paddr, &buf, 32);
2177 memcpy(obuf, buf, sizeof(obuf));
2179 if ((buf[0] & 0xff) == 2) {
2180 obuf[0] = 0x49932000 + 0x54dc200 * buf[2] + 0x7429b578 * buf[3];
2181 obuf[0] |= (buf[2] * buf[3]) & 0xff;
2182 obuf[1] = 0x0132bb37 + 0xe89 * buf[2] + 0xf09 * buf[3];
2183 obuf[2] = 0x0066c2e9 + 0x2091 * buf[2] + 0x19bd * buf[3];
2184 obuf[3] = 0xd5281342 + 0x2cc9691 * buf[2] + 0x2367662 * buf[3];
2185 obuf[4] = 0x0123c75c + 0x1595 * buf[2] + 0x19ec * buf[3];
2186 obuf[5] = 0x00f695de + 0x26fd * buf[2] + 0x3e9 * buf[3];
2187 obuf[6] = obuf[2] ^ obuf[3] ^ 0x29472956;
2188 obuf[7] = obuf[2] ^ obuf[3] ^ 0x65866593;
2191 pci_dma_write(&xhci->pci_dev, paddr, &obuf, 32);
2194 static void xhci_process_commands(XHCIState *xhci)
2198 XHCIEvent event = {ER_COMMAND_COMPLETE, CC_SUCCESS};
2200 unsigned int i, slotid = 0;
2202 DPRINTF("xhci_process_commands()\n");
2203 if (!xhci_running(xhci)) {
2204 DPRINTF("xhci_process_commands() called while xHC stopped or paused\n");
2208 xhci->crcr_low |= CRCR_CRR;
2210 while ((type = xhci_ring_fetch(xhci, &xhci->cmd_ring, &trb, &addr))) {
2213 case CR_ENABLE_SLOT:
2214 for (i = 0; i < xhci->numslots; i++) {
2215 if (!xhci->slots[i].enabled) {
2219 if (i >= xhci->numslots) {
2220 fprintf(stderr, "xhci: no device slots available\n");
2221 event.ccode = CC_NO_SLOTS_ERROR;
2224 event.ccode = xhci_enable_slot(xhci, slotid);
2227 case CR_DISABLE_SLOT:
2228 slotid = xhci_get_slot(xhci, &event, &trb);
2230 event.ccode = xhci_disable_slot(xhci, slotid);
2233 case CR_ADDRESS_DEVICE:
2234 slotid = xhci_get_slot(xhci, &event, &trb);
2236 event.ccode = xhci_address_slot(xhci, slotid, trb.parameter,
2237 trb.control & TRB_CR_BSR);
2240 case CR_CONFIGURE_ENDPOINT:
2241 slotid = xhci_get_slot(xhci, &event, &trb);
2243 event.ccode = xhci_configure_slot(xhci, slotid, trb.parameter,
2244 trb.control & TRB_CR_DC);
2247 case CR_EVALUATE_CONTEXT:
2248 slotid = xhci_get_slot(xhci, &event, &trb);
2250 event.ccode = xhci_evaluate_slot(xhci, slotid, trb.parameter);
2253 case CR_STOP_ENDPOINT:
2254 slotid = xhci_get_slot(xhci, &event, &trb);
2256 unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT)
2258 event.ccode = xhci_stop_ep(xhci, slotid, epid);
2261 case CR_RESET_ENDPOINT:
2262 slotid = xhci_get_slot(xhci, &event, &trb);
2264 unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT)
2266 event.ccode = xhci_reset_ep(xhci, slotid, epid);
2269 case CR_SET_TR_DEQUEUE:
2270 slotid = xhci_get_slot(xhci, &event, &trb);
2272 unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT)
2274 event.ccode = xhci_set_ep_dequeue(xhci, slotid, epid,
2278 case CR_RESET_DEVICE:
2279 slotid = xhci_get_slot(xhci, &event, &trb);
2281 event.ccode = xhci_reset_slot(xhci, slotid);
2284 case CR_GET_PORT_BANDWIDTH:
2285 event.ccode = xhci_get_port_bandwidth(xhci, trb.parameter);
2287 case CR_VENDOR_VIA_CHALLENGE_RESPONSE:
2288 xhci_via_challenge(xhci, trb.parameter);
2290 case CR_VENDOR_NEC_FIRMWARE_REVISION:
2291 event.type = 48; /* NEC reply */
2292 event.length = 0x3025;
2294 case CR_VENDOR_NEC_CHALLENGE_RESPONSE:
2296 uint32_t chi = trb.parameter >> 32;
2297 uint32_t clo = trb.parameter;
2298 uint32_t val = xhci_nec_challenge(chi, clo);
2299 event.length = val & 0xFFFF;
2300 event.epid = val >> 16;
2302 event.type = 48; /* NEC reply */
2306 fprintf(stderr, "xhci: unimplemented command %d\n", type);
2307 event.ccode = CC_TRB_ERROR;
2310 event.slotid = slotid;
2311 xhci_event(xhci, &event, 0);
2315 static void xhci_update_port(XHCIState *xhci, XHCIPort *port, int is_detach)
2317 port->portsc = PORTSC_PP;
2318 if (port->uport->dev && port->uport->dev->attached && !is_detach &&
2319 (1 << port->uport->dev->speed) & port->speedmask) {
2320 port->portsc |= PORTSC_CCS;
2321 switch (port->uport->dev->speed) {
2323 port->portsc |= PORTSC_SPEED_LOW;
2325 case USB_SPEED_FULL:
2326 port->portsc |= PORTSC_SPEED_FULL;
2328 case USB_SPEED_HIGH:
2329 port->portsc |= PORTSC_SPEED_HIGH;
2331 case USB_SPEED_SUPER:
2332 port->portsc |= PORTSC_SPEED_SUPER;
2337 if (xhci_running(xhci)) {
2338 port->portsc |= PORTSC_CSC;
2339 XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS,
2340 port->portnr << 24};
2341 xhci_event(xhci, &ev, 0);
2342 DPRINTF("xhci: port change event for port %d\n", port->portnr);
2346 static void xhci_reset(DeviceState *dev)
2348 XHCIState *xhci = DO_UPCAST(XHCIState, pci_dev.qdev, dev);
2351 trace_usb_xhci_reset();
2352 if (!(xhci->usbsts & USBSTS_HCH)) {
2353 fprintf(stderr, "xhci: reset while running!\n");
2357 xhci->usbsts = USBSTS_HCH;
2360 xhci->crcr_high = 0;
2361 xhci->dcbaap_low = 0;
2362 xhci->dcbaap_high = 0;
2366 for (i = 0; i < xhci->numslots; i++) {
2367 xhci_disable_slot(xhci, i+1);
2370 for (i = 0; i < xhci->numports; i++) {
2371 xhci_update_port(xhci, xhci->ports + i, 0);
2374 for (i = 0; i < xhci->numintrs; i++) {
2375 xhci->intr[i].iman = 0;
2376 xhci->intr[i].imod = 0;
2377 xhci->intr[i].erstsz = 0;
2378 xhci->intr[i].erstba_low = 0;
2379 xhci->intr[i].erstba_high = 0;
2380 xhci->intr[i].erdp_low = 0;
2381 xhci->intr[i].erdp_high = 0;
2382 xhci->intr[i].msix_used = 0;
2384 xhci->intr[i].er_ep_idx = 0;
2385 xhci->intr[i].er_pcs = 1;
2386 xhci->intr[i].er_full = 0;
2387 xhci->intr[i].ev_buffer_put = 0;
2388 xhci->intr[i].ev_buffer_get = 0;
2391 xhci->mfindex_start = qemu_get_clock_ns(vm_clock);
2392 xhci_mfwrap_update(xhci);
2395 static uint64_t xhci_cap_read(void *ptr, hwaddr reg, unsigned size)
2397 XHCIState *xhci = ptr;
2401 case 0x00: /* HCIVERSION, CAPLENGTH */
2402 ret = 0x01000000 | LEN_CAP;
2404 case 0x04: /* HCSPARAMS 1 */
2405 ret = ((xhci->numports_2+xhci->numports_3)<<24)
2406 | (xhci->numintrs<<8) | xhci->numslots;
2408 case 0x08: /* HCSPARAMS 2 */
2411 case 0x0c: /* HCSPARAMS 3 */
2414 case 0x10: /* HCCPARAMS */
2415 if (sizeof(dma_addr_t) == 4) {
2421 case 0x14: /* DBOFF */
2424 case 0x18: /* RTSOFF */
2428 /* extended capabilities */
2429 case 0x20: /* Supported Protocol:00 */
2430 ret = 0x02000402; /* USB 2.0 */
2432 case 0x24: /* Supported Protocol:04 */
2433 ret = 0x20425355; /* "USB " */
2435 case 0x28: /* Supported Protocol:08 */
2436 ret = 0x00000001 | (xhci->numports_2<<8);
2438 case 0x2c: /* Supported Protocol:0c */
2439 ret = 0x00000000; /* reserved */
2441 case 0x30: /* Supported Protocol:00 */
2442 ret = 0x03000002; /* USB 3.0 */
2444 case 0x34: /* Supported Protocol:04 */
2445 ret = 0x20425355; /* "USB " */
2447 case 0x38: /* Supported Protocol:08 */
2448 ret = 0x00000000 | (xhci->numports_2+1) | (xhci->numports_3<<8);
2450 case 0x3c: /* Supported Protocol:0c */
2451 ret = 0x00000000; /* reserved */
2454 fprintf(stderr, "xhci_cap_read: reg %d unimplemented\n", (int)reg);
2458 trace_usb_xhci_cap_read(reg, ret);
2462 static uint64_t xhci_port_read(void *ptr, hwaddr reg, unsigned size)
2464 XHCIPort *port = ptr;
2468 case 0x00: /* PORTSC */
2471 case 0x04: /* PORTPMSC */
2472 case 0x08: /* PORTLI */
2475 case 0x0c: /* reserved */
2477 fprintf(stderr, "xhci_port_read (port %d): reg 0x%x unimplemented\n",
2478 port->portnr, (uint32_t)reg);
2482 trace_usb_xhci_port_read(port->portnr, reg, ret);
2486 static void xhci_port_write(void *ptr, hwaddr reg,
2487 uint64_t val, unsigned size)
2489 XHCIPort *port = ptr;
2492 trace_usb_xhci_port_write(port->portnr, reg, val);
2495 case 0x00: /* PORTSC */
2496 portsc = port->portsc;
2497 /* write-1-to-clear bits*/
2498 portsc &= ~(val & (PORTSC_CSC|PORTSC_PEC|PORTSC_WRC|PORTSC_OCC|
2499 PORTSC_PRC|PORTSC_PLC|PORTSC_CEC));
2500 if (val & PORTSC_LWS) {
2501 /* overwrite PLS only when LWS=1 */
2502 portsc &= ~(PORTSC_PLS_MASK << PORTSC_PLS_SHIFT);
2503 portsc |= val & (PORTSC_PLS_MASK << PORTSC_PLS_SHIFT);
2505 /* read/write bits */
2506 portsc &= ~(PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE);
2507 portsc |= (val & (PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE));
2508 /* write-1-to-start bits */
2509 if (val & PORTSC_PR) {
2510 DPRINTF("xhci: port %d reset\n", port);
2511 usb_device_reset(port->uport->dev);
2512 portsc |= PORTSC_PRC | PORTSC_PED;
2514 port->portsc = portsc;
2516 case 0x04: /* PORTPMSC */
2517 case 0x08: /* PORTLI */
2519 fprintf(stderr, "xhci_port_write (port %d): reg 0x%x unimplemented\n",
2520 port->portnr, (uint32_t)reg);
2524 static uint64_t xhci_oper_read(void *ptr, hwaddr reg, unsigned size)
2526 XHCIState *xhci = ptr;
2530 case 0x00: /* USBCMD */
2533 case 0x04: /* USBSTS */
2536 case 0x08: /* PAGESIZE */
2539 case 0x14: /* DNCTRL */
2542 case 0x18: /* CRCR low */
2543 ret = xhci->crcr_low & ~0xe;
2545 case 0x1c: /* CRCR high */
2546 ret = xhci->crcr_high;
2548 case 0x30: /* DCBAAP low */
2549 ret = xhci->dcbaap_low;
2551 case 0x34: /* DCBAAP high */
2552 ret = xhci->dcbaap_high;
2554 case 0x38: /* CONFIG */
2558 fprintf(stderr, "xhci_oper_read: reg 0x%x unimplemented\n", (int)reg);
2562 trace_usb_xhci_oper_read(reg, ret);
2566 static void xhci_oper_write(void *ptr, hwaddr reg,
2567 uint64_t val, unsigned size)
2569 XHCIState *xhci = ptr;
2571 trace_usb_xhci_oper_write(reg, val);
2574 case 0x00: /* USBCMD */
2575 if ((val & USBCMD_RS) && !(xhci->usbcmd & USBCMD_RS)) {
2577 } else if (!(val & USBCMD_RS) && (xhci->usbcmd & USBCMD_RS)) {
2580 xhci->usbcmd = val & 0xc0f;
2581 xhci_mfwrap_update(xhci);
2582 if (val & USBCMD_HCRST) {
2583 xhci_reset(&xhci->pci_dev.qdev);
2585 xhci_intx_update(xhci);
2588 case 0x04: /* USBSTS */
2589 /* these bits are write-1-to-clear */
2590 xhci->usbsts &= ~(val & (USBSTS_HSE|USBSTS_EINT|USBSTS_PCD|USBSTS_SRE));
2591 xhci_intx_update(xhci);
2594 case 0x14: /* DNCTRL */
2595 xhci->dnctrl = val & 0xffff;
2597 case 0x18: /* CRCR low */
2598 xhci->crcr_low = (val & 0xffffffcf) | (xhci->crcr_low & CRCR_CRR);
2600 case 0x1c: /* CRCR high */
2601 xhci->crcr_high = val;
2602 if (xhci->crcr_low & (CRCR_CA|CRCR_CS) && (xhci->crcr_low & CRCR_CRR)) {
2603 XHCIEvent event = {ER_COMMAND_COMPLETE, CC_COMMAND_RING_STOPPED};
2604 xhci->crcr_low &= ~CRCR_CRR;
2605 xhci_event(xhci, &event, 0);
2606 DPRINTF("xhci: command ring stopped (CRCR=%08x)\n", xhci->crcr_low);
2608 dma_addr_t base = xhci_addr64(xhci->crcr_low & ~0x3f, val);
2609 xhci_ring_init(xhci, &xhci->cmd_ring, base);
2611 xhci->crcr_low &= ~(CRCR_CA | CRCR_CS);
2613 case 0x30: /* DCBAAP low */
2614 xhci->dcbaap_low = val & 0xffffffc0;
2616 case 0x34: /* DCBAAP high */
2617 xhci->dcbaap_high = val;
2619 case 0x38: /* CONFIG */
2620 xhci->config = val & 0xff;
2623 fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n", (int)reg);
2627 static uint64_t xhci_runtime_read(void *ptr, hwaddr reg,
2630 XHCIState *xhci = ptr;
2635 case 0x00: /* MFINDEX */
2636 ret = xhci_mfindex_get(xhci) & 0x3fff;
2639 fprintf(stderr, "xhci_runtime_read: reg 0x%x unimplemented\n",
2644 int v = (reg - 0x20) / 0x20;
2645 XHCIInterrupter *intr = &xhci->intr[v];
2646 switch (reg & 0x1f) {
2647 case 0x00: /* IMAN */
2650 case 0x04: /* IMOD */
2653 case 0x08: /* ERSTSZ */
2656 case 0x10: /* ERSTBA low */
2657 ret = intr->erstba_low;
2659 case 0x14: /* ERSTBA high */
2660 ret = intr->erstba_high;
2662 case 0x18: /* ERDP low */
2663 ret = intr->erdp_low;
2665 case 0x1c: /* ERDP high */
2666 ret = intr->erdp_high;
2671 trace_usb_xhci_runtime_read(reg, ret);
2675 static void xhci_runtime_write(void *ptr, hwaddr reg,
2676 uint64_t val, unsigned size)
2678 XHCIState *xhci = ptr;
2679 int v = (reg - 0x20) / 0x20;
2680 XHCIInterrupter *intr = &xhci->intr[v];
2681 trace_usb_xhci_runtime_write(reg, val);
2684 fprintf(stderr, "%s: reg 0x%x unimplemented\n", __func__, (int)reg);
2688 switch (reg & 0x1f) {
2689 case 0x00: /* IMAN */
2690 if (val & IMAN_IP) {
2691 intr->iman &= ~IMAN_IP;
2693 intr->iman &= ~IMAN_IE;
2694 intr->iman |= val & IMAN_IE;
2696 xhci_intx_update(xhci);
2698 xhci_msix_update(xhci, v);
2700 case 0x04: /* IMOD */
2703 case 0x08: /* ERSTSZ */
2704 intr->erstsz = val & 0xffff;
2706 case 0x10: /* ERSTBA low */
2707 /* XXX NEC driver bug: it doesn't align this to 64 bytes
2708 intr->erstba_low = val & 0xffffffc0; */
2709 intr->erstba_low = val & 0xfffffff0;
2711 case 0x14: /* ERSTBA high */
2712 intr->erstba_high = val;
2713 xhci_er_reset(xhci, v);
2715 case 0x18: /* ERDP low */
2716 if (val & ERDP_EHB) {
2717 intr->erdp_low &= ~ERDP_EHB;
2719 intr->erdp_low = (val & ~ERDP_EHB) | (intr->erdp_low & ERDP_EHB);
2721 case 0x1c: /* ERDP high */
2722 intr->erdp_high = val;
2723 xhci_events_update(xhci, v);
2726 fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n",
2731 static uint64_t xhci_doorbell_read(void *ptr, hwaddr reg,
2734 /* doorbells always read as 0 */
2735 trace_usb_xhci_doorbell_read(reg, 0);
2739 static void xhci_doorbell_write(void *ptr, hwaddr reg,
2740 uint64_t val, unsigned size)
2742 XHCIState *xhci = ptr;
2744 trace_usb_xhci_doorbell_write(reg, val);
2746 if (!xhci_running(xhci)) {
2747 fprintf(stderr, "xhci: wrote doorbell while xHC stopped or paused\n");
2755 xhci_process_commands(xhci);
2757 fprintf(stderr, "xhci: bad doorbell 0 write: 0x%x\n",
2761 if (reg > xhci->numslots) {
2762 fprintf(stderr, "xhci: bad doorbell %d\n", (int)reg);
2763 } else if (val > 31) {
2764 fprintf(stderr, "xhci: bad doorbell %d write: 0x%x\n",
2765 (int)reg, (uint32_t)val);
2767 xhci_kick_ep(xhci, reg, val);
2772 static const MemoryRegionOps xhci_cap_ops = {
2773 .read = xhci_cap_read,
2774 .valid.min_access_size = 1,
2775 .valid.max_access_size = 4,
2776 .impl.min_access_size = 4,
2777 .impl.max_access_size = 4,
2778 .endianness = DEVICE_LITTLE_ENDIAN,
2781 static const MemoryRegionOps xhci_oper_ops = {
2782 .read = xhci_oper_read,
2783 .write = xhci_oper_write,
2784 .valid.min_access_size = 4,
2785 .valid.max_access_size = 4,
2786 .endianness = DEVICE_LITTLE_ENDIAN,
2789 static const MemoryRegionOps xhci_port_ops = {
2790 .read = xhci_port_read,
2791 .write = xhci_port_write,
2792 .valid.min_access_size = 4,
2793 .valid.max_access_size = 4,
2794 .endianness = DEVICE_LITTLE_ENDIAN,
2797 static const MemoryRegionOps xhci_runtime_ops = {
2798 .read = xhci_runtime_read,
2799 .write = xhci_runtime_write,
2800 .valid.min_access_size = 4,
2801 .valid.max_access_size = 4,
2802 .endianness = DEVICE_LITTLE_ENDIAN,
2805 static const MemoryRegionOps xhci_doorbell_ops = {
2806 .read = xhci_doorbell_read,
2807 .write = xhci_doorbell_write,
2808 .valid.min_access_size = 4,
2809 .valid.max_access_size = 4,
2810 .endianness = DEVICE_LITTLE_ENDIAN,
2813 static void xhci_attach(USBPort *usbport)
2815 XHCIState *xhci = usbport->opaque;
2816 XHCIPort *port = xhci_lookup_port(xhci, usbport);
2818 xhci_update_port(xhci, port, 0);
2821 static void xhci_detach(USBPort *usbport)
2823 XHCIState *xhci = usbport->opaque;
2824 XHCIPort *port = xhci_lookup_port(xhci, usbport);
2826 xhci_update_port(xhci, port, 1);
2829 static void xhci_wakeup(USBPort *usbport)
2831 XHCIState *xhci = usbport->opaque;
2832 XHCIPort *port = xhci_lookup_port(xhci, usbport);
2833 XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS,
2834 port->portnr << 24};
2837 pls = (port->portsc >> PORTSC_PLS_SHIFT) & PORTSC_PLS_MASK;
2841 port->portsc |= 0xf << PORTSC_PLS_SHIFT;
2842 if (port->portsc & PORTSC_PLC) {
2845 port->portsc |= PORTSC_PLC;
2846 xhci_event(xhci, &ev, 0);
2849 static void xhci_complete(USBPort *port, USBPacket *packet)
2851 XHCITransfer *xfer = container_of(packet, XHCITransfer, packet);
2853 if (packet->result == USB_RET_REMOVE_FROM_QUEUE) {
2854 xhci_ep_nuke_one_xfer(xfer);
2857 xhci_complete_packet(xfer, packet->result);
2858 xhci_kick_ep(xfer->xhci, xfer->slotid, xfer->epid);
2861 static void xhci_child_detach(USBPort *uport, USBDevice *child)
2863 USBBus *bus = usb_bus_from_device(child);
2864 XHCIState *xhci = container_of(bus, XHCIState, bus);
2867 for (i = 0; i < xhci->numslots; i++) {
2868 if (xhci->slots[i].uport == uport) {
2869 xhci->slots[i].uport = NULL;
2874 static USBPortOps xhci_uport_ops = {
2875 .attach = xhci_attach,
2876 .detach = xhci_detach,
2877 .wakeup = xhci_wakeup,
2878 .complete = xhci_complete,
2879 .child_detach = xhci_child_detach,
2882 static int xhci_find_slotid(XHCIState *xhci, USBDevice *dev)
2887 for (slotid = 1; slotid <= xhci->numslots; slotid++) {
2888 slot = &xhci->slots[slotid-1];
2889 if (slot->devaddr == dev->addr) {
2896 static int xhci_find_epid(USBEndpoint *ep)
2901 if (ep->pid == USB_TOKEN_IN) {
2902 return ep->nr * 2 + 1;
2908 static void xhci_wakeup_endpoint(USBBus *bus, USBEndpoint *ep)
2910 XHCIState *xhci = container_of(bus, XHCIState, bus);
2913 DPRINTF("%s\n", __func__);
2914 slotid = xhci_find_slotid(xhci, ep->dev);
2915 if (slotid == 0 || !xhci->slots[slotid-1].enabled) {
2916 DPRINTF("%s: oops, no slot for dev %d\n", __func__, ep->dev->addr);
2919 xhci_kick_ep(xhci, slotid, xhci_find_epid(ep));
2922 static USBBusOps xhci_bus_ops = {
2923 .wakeup_endpoint = xhci_wakeup_endpoint,
2926 static void usb_xhci_init(XHCIState *xhci, DeviceState *dev)
2929 int i, usbports, speedmask;
2931 xhci->usbsts = USBSTS_HCH;
2933 if (xhci->numports_2 > MAXPORTS_2) {
2934 xhci->numports_2 = MAXPORTS_2;
2936 if (xhci->numports_3 > MAXPORTS_3) {
2937 xhci->numports_3 = MAXPORTS_3;
2939 usbports = MAX(xhci->numports_2, xhci->numports_3);
2940 xhci->numports = xhci->numports_2 + xhci->numports_3;
2942 usb_bus_new(&xhci->bus, &xhci_bus_ops, &xhci->pci_dev.qdev);
2944 for (i = 0; i < usbports; i++) {
2946 if (i < xhci->numports_2) {
2947 port = &xhci->ports[i];
2948 port->portnr = i + 1;
2949 port->uport = &xhci->uports[i];
2951 USB_SPEED_MASK_LOW |
2952 USB_SPEED_MASK_FULL |
2953 USB_SPEED_MASK_HIGH;
2954 snprintf(port->name, sizeof(port->name), "usb2 port #%d", i+1);
2955 speedmask |= port->speedmask;
2957 if (i < xhci->numports_3) {
2958 port = &xhci->ports[i + xhci->numports_2];
2959 port->portnr = i + 1 + xhci->numports_2;
2960 port->uport = &xhci->uports[i];
2961 port->speedmask = USB_SPEED_MASK_SUPER;
2962 snprintf(port->name, sizeof(port->name), "usb3 port #%d", i+1);
2963 speedmask |= port->speedmask;
2965 usb_register_port(&xhci->bus, &xhci->uports[i], xhci, i,
2966 &xhci_uport_ops, speedmask);
2970 static int usb_xhci_initfn(struct PCIDevice *dev)
2974 XHCIState *xhci = DO_UPCAST(XHCIState, pci_dev, dev);
2976 xhci->pci_dev.config[PCI_CLASS_PROG] = 0x30; /* xHCI */
2977 xhci->pci_dev.config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin 1 */
2978 xhci->pci_dev.config[PCI_CACHE_LINE_SIZE] = 0x10;
2979 xhci->pci_dev.config[0x60] = 0x30; /* release number */
2981 usb_xhci_init(xhci, &dev->qdev);
2983 if (xhci->numintrs > MAXINTRS) {
2984 xhci->numintrs = MAXINTRS;
2986 if (xhci->numintrs < 1) {
2989 if (xhci->numslots > MAXSLOTS) {
2990 xhci->numslots = MAXSLOTS;
2992 if (xhci->numslots < 1) {
2996 xhci->mfwrap_timer = qemu_new_timer_ns(vm_clock, xhci_mfwrap_timer, xhci);
2998 xhci->irq = xhci->pci_dev.irq[0];
3000 memory_region_init(&xhci->mem, "xhci", LEN_REGS);
3001 memory_region_init_io(&xhci->mem_cap, &xhci_cap_ops, xhci,
3002 "capabilities", LEN_CAP);
3003 memory_region_init_io(&xhci->mem_oper, &xhci_oper_ops, xhci,
3004 "operational", 0x400);
3005 memory_region_init_io(&xhci->mem_runtime, &xhci_runtime_ops, xhci,
3006 "runtime", LEN_RUNTIME);
3007 memory_region_init_io(&xhci->mem_doorbell, &xhci_doorbell_ops, xhci,
3008 "doorbell", LEN_DOORBELL);
3010 memory_region_add_subregion(&xhci->mem, 0, &xhci->mem_cap);
3011 memory_region_add_subregion(&xhci->mem, OFF_OPER, &xhci->mem_oper);
3012 memory_region_add_subregion(&xhci->mem, OFF_RUNTIME, &xhci->mem_runtime);
3013 memory_region_add_subregion(&xhci->mem, OFF_DOORBELL, &xhci->mem_doorbell);
3015 for (i = 0; i < xhci->numports; i++) {
3016 XHCIPort *port = &xhci->ports[i];
3017 uint32_t offset = OFF_OPER + 0x400 + 0x10 * i;
3019 memory_region_init_io(&port->mem, &xhci_port_ops, port,
3021 memory_region_add_subregion(&xhci->mem, offset, &port->mem);
3024 pci_register_bar(&xhci->pci_dev, 0,
3025 PCI_BASE_ADDRESS_SPACE_MEMORY|PCI_BASE_ADDRESS_MEM_TYPE_64,
3028 ret = pcie_cap_init(&xhci->pci_dev, 0xa0, PCI_EXP_TYPE_ENDPOINT, 0);
3031 if (xhci->flags & (1 << XHCI_FLAG_USE_MSI)) {
3032 msi_init(&xhci->pci_dev, 0x70, xhci->numintrs, true, false);
3034 if (xhci->flags & (1 << XHCI_FLAG_USE_MSI_X)) {
3035 msix_init(&xhci->pci_dev, xhci->numintrs,
3036 &xhci->mem, 0, OFF_MSIX_TABLE,
3037 &xhci->mem, 0, OFF_MSIX_PBA,
3044 static const VMStateDescription vmstate_xhci = {
3049 static Property xhci_properties[] = {
3050 DEFINE_PROP_BIT("msi", XHCIState, flags, XHCI_FLAG_USE_MSI, true),
3051 DEFINE_PROP_BIT("msix", XHCIState, flags, XHCI_FLAG_USE_MSI_X, true),
3052 DEFINE_PROP_UINT32("intrs", XHCIState, numintrs, MAXINTRS),
3053 DEFINE_PROP_UINT32("slots", XHCIState, numslots, MAXSLOTS),
3054 DEFINE_PROP_UINT32("p2", XHCIState, numports_2, 4),
3055 DEFINE_PROP_UINT32("p3", XHCIState, numports_3, 4),
3056 DEFINE_PROP_END_OF_LIST(),
3059 static void xhci_class_init(ObjectClass *klass, void *data)
3061 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
3062 DeviceClass *dc = DEVICE_CLASS(klass);
3064 dc->vmsd = &vmstate_xhci;
3065 dc->props = xhci_properties;
3066 dc->reset = xhci_reset;
3067 k->init = usb_xhci_initfn;
3068 k->vendor_id = PCI_VENDOR_ID_NEC;
3069 k->device_id = PCI_DEVICE_ID_NEC_UPD720200;
3070 k->class_id = PCI_CLASS_SERIAL_USB;
3075 static TypeInfo xhci_info = {
3076 .name = "nec-usb-xhci",
3077 .parent = TYPE_PCI_DEVICE,
3078 .instance_size = sizeof(XHCIState),
3079 .class_init = xhci_class_init,
3082 static void xhci_register_types(void)
3084 type_register_static(&xhci_info);
3087 type_init(xhci_register_types)