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 {
325 unsigned int iso_pkts;
331 unsigned int trb_count;
332 unsigned int trb_alloced;
338 unsigned int pktsize;
339 unsigned int cur_pkt;
341 uint64_t mfindex_kick;
344 typedef struct XHCIEPContext {
350 unsigned int next_xfer;
351 unsigned int comp_xfer;
352 XHCITransfer transfers[TD_QUEUE];
356 unsigned int max_psize;
359 /* iso xfer scheduling */
360 unsigned int interval;
361 int64_t mfindex_last;
362 QEMUTimer *kick_timer;
365 typedef struct XHCISlot {
369 unsigned int devaddr;
370 XHCIEPContext * eps[31];
373 typedef struct XHCIEvent {
383 typedef struct XHCIInterrupter {
388 uint32_t erstba_high;
392 bool msix_used, er_pcs, er_full;
396 unsigned int er_ep_idx;
398 XHCIEvent ev_buffer[EV_QUEUE];
399 unsigned int ev_buffer_put;
400 unsigned int ev_buffer_get;
409 MemoryRegion mem_cap;
410 MemoryRegion mem_oper;
411 MemoryRegion mem_runtime;
412 MemoryRegion mem_doorbell;
414 unsigned int devaddr;
421 /* Operational Registers */
428 uint32_t dcbaap_high;
431 USBPort uports[MAX(MAXPORTS_2, MAXPORTS_3)];
432 XHCIPort ports[MAXPORTS];
433 XHCISlot slots[MAXSLOTS];
436 /* Runtime Registers */
437 int64_t mfindex_start;
438 QEMUTimer *mfwrap_timer;
439 XHCIInterrupter intr[MAXINTRS];
444 typedef struct XHCIEvRingSeg {
452 XHCI_FLAG_USE_MSI = 1,
456 static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid,
458 static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v);
459 static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v);
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",
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",
538 static const char *lookup_name(uint32_t index, const char **list, uint32_t llen)
540 if (index >= llen || list[index] == NULL) {
546 static const char *trb_name(XHCITRB *trb)
548 return lookup_name(TRB_TYPE(*trb), TRBType_names,
549 ARRAY_SIZE(TRBType_names));
552 static const char *event_name(XHCIEvent *event)
554 return lookup_name(event->ccode, TRBCCode_names,
555 ARRAY_SIZE(TRBCCode_names));
558 static uint64_t xhci_mfindex_get(XHCIState *xhci)
560 int64_t now = qemu_get_clock_ns(vm_clock);
561 return (now - xhci->mfindex_start) / 125000;
564 static void xhci_mfwrap_update(XHCIState *xhci)
566 const uint32_t bits = USBCMD_RS | USBCMD_EWE;
567 uint32_t mfindex, left;
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);
576 qemu_del_timer(xhci->mfwrap_timer);
580 static void xhci_mfwrap_timer(void *opaque)
582 XHCIState *xhci = opaque;
583 XHCIEvent wrap = { ER_MFINDEX_WRAP, CC_SUCCESS };
585 xhci_event(xhci, &wrap, 0);
586 xhci_mfwrap_update(xhci);
589 static inline dma_addr_t xhci_addr64(uint32_t low, uint32_t high)
591 if (sizeof(dma_addr_t) == 4) {
594 return low | (((dma_addr_t)high << 16) << 16);
598 static inline dma_addr_t xhci_mask64(uint64_t addr)
600 if (sizeof(dma_addr_t) == 4) {
601 return addr & 0xffffffff;
607 static XHCIPort *xhci_lookup_port(XHCIState *xhci, struct USBPort *uport)
614 switch (uport->dev->speed) {
618 index = uport->index;
620 case USB_SPEED_SUPER:
621 index = uport->index + xhci->numports_2;
626 return &xhci->ports[index];
629 static void xhci_intx_update(XHCIState *xhci)
633 if (msix_enabled(&xhci->pci_dev) ||
634 msi_enabled(&xhci->pci_dev)) {
638 if (xhci->intr[0].iman & IMAN_IP &&
639 xhci->intr[0].iman & IMAN_IE &&
640 xhci->usbcmd & USBCMD_INTE) {
644 trace_usb_xhci_irq_intx(level);
645 qemu_set_irq(xhci->irq, level);
648 static void xhci_msix_update(XHCIState *xhci, int v)
652 if (!msix_enabled(&xhci->pci_dev)) {
656 enabled = xhci->intr[v].iman & IMAN_IE;
657 if (enabled == xhci->intr[v].msix_used) {
662 trace_usb_xhci_irq_msix_use(v);
663 msix_vector_use(&xhci->pci_dev, v);
664 xhci->intr[v].msix_used = true;
666 trace_usb_xhci_irq_msix_unuse(v);
667 msix_vector_unuse(&xhci->pci_dev, v);
668 xhci->intr[v].msix_used = false;
672 static void xhci_intr_raise(XHCIState *xhci, int v)
674 xhci->intr[v].erdp_low |= ERDP_EHB;
675 xhci->intr[v].iman |= IMAN_IP;
676 xhci->usbsts |= USBSTS_EINT;
678 if (!(xhci->intr[v].iman & IMAN_IE)) {
682 if (!(xhci->usbcmd & USBCMD_INTE)) {
686 if (msix_enabled(&xhci->pci_dev)) {
687 trace_usb_xhci_irq_msix(v);
688 msix_notify(&xhci->pci_dev, v);
692 if (msi_enabled(&xhci->pci_dev)) {
693 trace_usb_xhci_irq_msi(v);
694 msi_notify(&xhci->pci_dev, v);
699 trace_usb_xhci_irq_intx(1);
700 qemu_set_irq(xhci->irq, 1);
704 static inline int xhci_running(XHCIState *xhci)
706 return !(xhci->usbsts & USBSTS_HCH) && !xhci->intr[0].er_full;
709 static void xhci_die(XHCIState *xhci)
711 xhci->usbsts |= USBSTS_HCE;
712 fprintf(stderr, "xhci: asserted controller error\n");
715 static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v)
717 XHCIInterrupter *intr = &xhci->intr[v];
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);
726 ev_trb.control |= TRB_C;
728 ev_trb.control = cpu_to_le32(ev_trb.control);
730 trace_usb_xhci_queue_event(v, intr->er_ep_idx, trb_name(&ev_trb),
731 event_name(event), ev_trb.parameter,
732 ev_trb.status, ev_trb.control);
734 addr = intr->er_start + TRB_SIZE*intr->er_ep_idx;
735 pci_dma_write(&xhci->pci_dev, addr, &ev_trb, TRB_SIZE);
738 if (intr->er_ep_idx >= intr->er_size) {
740 intr->er_pcs = !intr->er_pcs;
744 static void xhci_events_update(XHCIState *xhci, int v)
746 XHCIInterrupter *intr = &xhci->intr[v];
751 if (xhci->usbsts & USBSTS_HCH) {
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)) {
758 fprintf(stderr, "xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp);
759 fprintf(stderr, "xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n",
760 v, intr->er_start, intr->er_size);
764 dp_idx = (erdp - intr->er_start) / TRB_SIZE;
765 assert(dp_idx < intr->er_size);
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 */
771 int er_free = dp_idx - intr->er_ep_idx;
773 er_free += intr->er_size;
775 if (er_free < (intr->er_size/2)) {
776 DPRINTF("xhci_events_update(): event ring still "
777 "more than half full (hack)\n");
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) {
785 DPRINTF("xhci_events_update(): event ring full again\n");
787 XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR};
788 xhci_write_event(xhci, &full, v);
793 XHCIEvent *event = &intr->ev_buffer[intr->ev_buffer_get];
794 xhci_write_event(xhci, event, v);
795 intr->ev_buffer_get++;
797 if (intr->ev_buffer_get == EV_QUEUE) {
798 intr->ev_buffer_get = 0;
803 xhci_intr_raise(xhci, v);
806 if (intr->er_full && intr->ev_buffer_put == intr->ev_buffer_get) {
807 DPRINTF("xhci_events_update(): event ring no longer full\n");
812 static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v)
814 XHCIInterrupter *intr;
819 DPRINTF("intr nr out of range (%d >= %d)\n", v, MAXINTRS);
822 intr = &xhci->intr[v];
825 DPRINTF("xhci_event(): ER full, queueing\n");
826 if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) {
827 fprintf(stderr, "xhci: event queue full, dropping event!\n");
830 intr->ev_buffer[intr->ev_buffer_put++] = *event;
831 if (intr->ev_buffer_put == EV_QUEUE) {
832 intr->ev_buffer_put = 0;
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)) {
840 fprintf(stderr, "xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp);
841 fprintf(stderr, "xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n",
842 v, intr->er_start, intr->er_size);
847 dp_idx = (erdp - intr->er_start) / TRB_SIZE;
848 assert(dp_idx < intr->er_size);
850 if ((intr->er_ep_idx+1) % intr->er_size == dp_idx) {
851 DPRINTF("xhci_event(): ER full, queueing\n");
853 XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR};
854 xhci_write_event(xhci, &full);
857 if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) {
858 fprintf(stderr, "xhci: event queue full, dropping event!\n");
861 intr->ev_buffer[intr->ev_buffer_put++] = *event;
862 if (intr->ev_buffer_put == EV_QUEUE) {
863 intr->ev_buffer_put = 0;
866 xhci_write_event(xhci, event, v);
869 xhci_intr_raise(xhci, v);
872 static void xhci_ring_init(XHCIState *xhci, XHCIRing *ring,
876 ring->dequeue = base;
880 static TRBType xhci_ring_fetch(XHCIState *xhci, XHCIRing *ring, XHCITRB *trb,
885 pci_dma_read(&xhci->pci_dev, ring->dequeue, trb, TRB_SIZE);
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);
892 trace_usb_xhci_fetch_trb(ring->dequeue, trb_name(trb),
893 trb->parameter, trb->status, trb->control);
895 if ((trb->control & TRB_C) != ring->ccs) {
899 type = TRB_TYPE(*trb);
901 if (type != TR_LINK) {
903 *addr = ring->dequeue;
905 ring->dequeue += TRB_SIZE;
908 ring->dequeue = xhci_mask64(trb->parameter);
909 if (trb->control & TRB_LK_TC) {
910 ring->ccs = !ring->ccs;
916 static int xhci_ring_chain_length(XHCIState *xhci, const XHCIRing *ring)
920 dma_addr_t dequeue = ring->dequeue;
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;
927 pci_dma_read(&xhci->pci_dev, dequeue, &trb, TRB_SIZE);
928 le64_to_cpus(&trb.parameter);
929 le32_to_cpus(&trb.status);
930 le32_to_cpus(&trb.control);
932 if ((trb.control & TRB_C) != ccs) {
936 type = TRB_TYPE(trb);
938 if (type == TR_LINK) {
939 dequeue = xhci_mask64(trb.parameter);
940 if (trb.control & TRB_LK_TC) {
949 if (type == TR_SETUP) {
951 } else if (type == TR_STATUS) {
955 if (!control_td_set && !(trb.control & TRB_TR_CH)) {
961 static void xhci_er_reset(XHCIState *xhci, int v)
963 XHCIInterrupter *intr = &xhci->intr[v];
966 /* cache the (sole) event ring segment location */
967 if (intr->erstsz != 1) {
968 fprintf(stderr, "xhci: invalid value for ERSTSZ: %d\n", intr->erstsz);
972 dma_addr_t erstba = xhci_addr64(intr->erstba_low, intr->erstba_high);
973 pci_dma_read(&xhci->pci_dev, erstba, &seg, sizeof(seg));
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);
982 intr->er_start = xhci_addr64(seg.addr_low, seg.addr_high);
983 intr->er_size = seg.size;
989 DPRINTF("xhci: event ring[%d]:" DMA_ADDR_FMT " [%d]\n",
990 v, intr->er_start, intr->er_size);
993 static void xhci_run(XHCIState *xhci)
995 trace_usb_xhci_run();
996 xhci->usbsts &= ~USBSTS_HCH;
997 xhci->mfindex_start = qemu_get_clock_ns(vm_clock);
1000 static void xhci_stop(XHCIState *xhci)
1002 trace_usb_xhci_stop();
1003 xhci->usbsts |= USBSTS_HCH;
1004 xhci->crcr_low &= ~CRCR_CRR;
1007 static void xhci_set_ep_state(XHCIState *xhci, XHCIEPContext *epctx,
1011 if (epctx->state == state) {
1015 pci_dma_read(&xhci->pci_dev, epctx->pctx, ctx, sizeof(ctx));
1016 ctx[0] &= ~EP_STATE_MASK;
1018 ctx[2] = epctx->ring.dequeue | epctx->ring.ccs;
1019 ctx[3] = (epctx->ring.dequeue >> 16) >> 16;
1020 DPRINTF("xhci: set epctx: " DMA_ADDR_FMT " state=%d dequeue=%08x%08x\n",
1021 epctx->pctx, state, ctx[3], ctx[2]);
1022 pci_dma_write(&xhci->pci_dev, epctx->pctx, ctx, sizeof(ctx));
1023 epctx->state = state;
1026 static void xhci_ep_kick_timer(void *opaque)
1028 XHCIEPContext *epctx = opaque;
1029 xhci_kick_ep(epctx->xhci, epctx->slotid, epctx->epid);
1032 static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid,
1033 unsigned int epid, dma_addr_t pctx,
1037 XHCIEPContext *epctx;
1041 trace_usb_xhci_ep_enable(slotid, epid);
1042 assert(slotid >= 1 && slotid <= MAXSLOTS);
1043 assert(epid >= 1 && epid <= 31);
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;
1051 epctx = g_malloc(sizeof(XHCIEPContext));
1052 memset(epctx, 0, sizeof(XHCIEPContext));
1054 epctx->slotid = slotid;
1057 slot->eps[epid-1] = epctx;
1059 dequeue = xhci_addr64(ctx[2] & ~0xf, ctx[3]);
1060 xhci_ring_init(xhci, &epctx->ring, dequeue);
1061 epctx->ring.ccs = ctx[2] & 1;
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);
1066 epctx->max_psize = ctx[1]>>16;
1067 epctx->max_psize *= 1+((ctx[1]>>8)&0xff);
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);
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);
1078 epctx->state = EP_RUNNING;
1079 ctx[0] &= ~EP_STATE_MASK;
1080 ctx[0] |= EP_RUNNING;
1085 static int xhci_ep_nuke_one_xfer(XHCITransfer *t)
1089 if (t->running_async) {
1090 usb_cancel_packet(&t->packet);
1091 t->running_async = 0;
1093 DPRINTF("xhci: cancelling transfer, waiting for it to complete\n");
1096 if (t->running_retry) {
1097 XHCIEPContext *epctx = t->xhci->slots[t->slotid-1].eps[t->epid-1];
1099 epctx->retry = NULL;
1100 qemu_del_timer(epctx->kick_timer);
1102 t->running_retry = 0;
1109 t->trb_count = t->trb_alloced = 0;
1114 static int xhci_ep_nuke_xfers(XHCIState *xhci, unsigned int slotid,
1118 XHCIEPContext *epctx;
1119 int i, xferi, killed = 0;
1120 assert(slotid >= 1 && slotid <= MAXSLOTS);
1121 assert(epid >= 1 && epid <= 31);
1123 DPRINTF("xhci_ep_nuke_xfers(%d, %d)\n", slotid, epid);
1125 slot = &xhci->slots[slotid-1];
1127 if (!slot->eps[epid-1]) {
1131 epctx = slot->eps[epid-1];
1133 xferi = epctx->next_xfer;
1134 for (i = 0; i < TD_QUEUE; i++) {
1135 killed += xhci_ep_nuke_one_xfer(&epctx->transfers[xferi]);
1136 xferi = (xferi + 1) % TD_QUEUE;
1141 static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid,
1145 XHCIEPContext *epctx;
1147 trace_usb_xhci_ep_disable(slotid, epid);
1148 assert(slotid >= 1 && slotid <= MAXSLOTS);
1149 assert(epid >= 1 && epid <= 31);
1151 slot = &xhci->slots[slotid-1];
1153 if (!slot->eps[epid-1]) {
1154 DPRINTF("xhci: slot %d ep %d already disabled\n", slotid, epid);
1158 xhci_ep_nuke_xfers(xhci, slotid, epid);
1160 epctx = slot->eps[epid-1];
1162 xhci_set_ep_state(xhci, epctx, EP_DISABLED);
1164 qemu_free_timer(epctx->kick_timer);
1166 slot->eps[epid-1] = NULL;
1171 static TRBCCode xhci_stop_ep(XHCIState *xhci, unsigned int slotid,
1175 XHCIEPContext *epctx;
1177 trace_usb_xhci_ep_stop(slotid, epid);
1178 assert(slotid >= 1 && slotid <= MAXSLOTS);
1180 if (epid < 1 || epid > 31) {
1181 fprintf(stderr, "xhci: bad ep %d\n", epid);
1182 return CC_TRB_ERROR;
1185 slot = &xhci->slots[slotid-1];
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;
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");
1197 epctx = slot->eps[epid-1];
1199 xhci_set_ep_state(xhci, epctx, EP_STOPPED);
1204 static TRBCCode xhci_reset_ep(XHCIState *xhci, unsigned int slotid,
1208 XHCIEPContext *epctx;
1211 trace_usb_xhci_ep_reset(slotid, epid);
1212 assert(slotid >= 1 && slotid <= MAXSLOTS);
1214 if (epid < 1 || epid > 31) {
1215 fprintf(stderr, "xhci: bad ep %d\n", epid);
1216 return CC_TRB_ERROR;
1219 slot = &xhci->slots[slotid-1];
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;
1226 epctx = slot->eps[epid-1];
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;
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");
1239 uint8_t ep = epid>>1;
1245 dev = xhci->slots[slotid-1].uport->dev;
1247 return CC_USB_TRANSACTION_ERROR;
1250 xhci_set_ep_state(xhci, epctx, EP_STOPPED);
1255 static TRBCCode xhci_set_ep_dequeue(XHCIState *xhci, unsigned int slotid,
1256 unsigned int epid, uint64_t pdequeue)
1259 XHCIEPContext *epctx;
1262 assert(slotid >= 1 && slotid <= MAXSLOTS);
1264 if (epid < 1 || epid > 31) {
1265 fprintf(stderr, "xhci: bad ep %d\n", epid);
1266 return CC_TRB_ERROR;
1269 trace_usb_xhci_ep_set_dequeue(slotid, epid, pdequeue);
1270 dequeue = xhci_mask64(pdequeue);
1272 slot = &xhci->slots[slotid-1];
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;
1279 epctx = slot->eps[epid-1];
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;
1287 xhci_ring_init(xhci, &epctx->ring, dequeue & ~0xF);
1288 epctx->ring.ccs = dequeue & 1;
1290 xhci_set_ep_state(xhci, epctx, EP_STOPPED);
1295 static int xhci_xfer_map(XHCITransfer *xfer)
1297 int in_xfer = (xfer->packet.pid == USB_TOKEN_IN);
1298 XHCIState *xhci = xfer->xhci;
1301 pci_dma_sglist_init(&xfer->sgl, &xhci->pci_dev, xfer->trb_count);
1302 for (i = 0; i < xfer->trb_count; i++) {
1303 XHCITRB *trb = &xfer->trbs[i];
1305 unsigned int chunk = 0;
1307 switch (TRB_TYPE(*trb)) {
1309 if ((!(trb->control & TRB_TR_DIR)) != (!in_xfer)) {
1310 fprintf(stderr, "xhci: data direction mismatch for TR_DATA\n");
1316 addr = xhci_mask64(trb->parameter);
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");
1323 qemu_sglist_add(&xfer->sgl, trb->addr, chunk);
1325 qemu_sglist_add(&xfer->sgl, addr, chunk);
1331 usb_packet_map(&xfer->packet, &xfer->sgl);
1335 qemu_sglist_destroy(&xfer->sgl);
1340 static void xhci_xfer_unmap(XHCITransfer *xfer)
1342 usb_packet_unmap(&xfer->packet, &xfer->sgl);
1343 qemu_sglist_destroy(&xfer->sgl);
1346 static void xhci_xfer_report(XHCITransfer *xfer)
1352 XHCIEvent event = {ER_TRANSFER, CC_SUCCESS};
1353 XHCIState *xhci = xfer->xhci;
1356 left = xfer->packet.result < 0 ? 0 : xfer->packet.result;
1358 for (i = 0; i < xfer->trb_count; i++) {
1359 XHCITRB *trb = &xfer->trbs[i];
1360 unsigned int chunk = 0;
1362 switch (TRB_TYPE(*trb)) {
1366 chunk = trb->status & 0x1ffff;
1369 if (xfer->status == CC_SUCCESS) {
1382 if (!reported && ((trb->control & TRB_TR_IOC) ||
1383 (shortpkt && (trb->control & TRB_TR_ISP)) ||
1384 (xfer->status != CC_SUCCESS))) {
1385 event.slotid = xfer->slotid;
1386 event.epid = xfer->epid;
1387 event.length = (trb->status & 0x1ffff) - chunk;
1389 event.ptr = trb->addr;
1390 if (xfer->status == CC_SUCCESS) {
1391 event.ccode = shortpkt ? CC_SHORT_PACKET : CC_SUCCESS;
1393 event.ccode = xfer->status;
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);
1402 xhci_event(xhci, &event, TRB_INTR(*trb));
1404 if (xfer->status != CC_SUCCESS) {
1411 static void xhci_stall_ep(XHCITransfer *xfer)
1413 XHCIState *xhci = xfer->xhci;
1414 XHCISlot *slot = &xhci->slots[xfer->slotid-1];
1415 XHCIEPContext *epctx = slot->eps[xfer->epid-1];
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);
1421 DPRINTF("xhci: will continue at "DMA_ADDR_FMT"\n", epctx->ring.dequeue);
1424 static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer,
1425 XHCIEPContext *epctx);
1427 static int xhci_setup_packet(XHCITransfer *xfer)
1429 XHCIState *xhci = xfer->xhci;
1434 dir = xfer->in_xfer ? USB_TOKEN_IN : USB_TOKEN_OUT;
1436 if (xfer->packet.ep) {
1437 ep = xfer->packet.ep;
1440 if (!xhci->slots[xfer->slotid-1].uport) {
1441 fprintf(stderr, "xhci: slot %d has no device\n",
1445 dev = xhci->slots[xfer->slotid-1].uport->dev;
1446 ep = usb_ep_get(dev, dir, xfer->epid >> 1);
1449 usb_packet_setup(&xfer->packet, dir, ep, xfer->trbs[0].addr, false);
1450 xhci_xfer_map(xfer);
1451 DPRINTF("xhci: setup packet pid 0x%x addr %d ep %d\n",
1452 xfer->packet.pid, dev->addr, ep->nr);
1456 static int xhci_complete_packet(XHCITransfer *xfer, int ret)
1458 if (ret == USB_RET_ASYNC) {
1459 trace_usb_xhci_xfer_async(xfer);
1460 xfer->running_async = 1;
1461 xfer->running_retry = 0;
1463 xfer->cancelled = 0;
1465 } else if (ret == USB_RET_NAK) {
1466 trace_usb_xhci_xfer_nak(xfer);
1467 xfer->running_async = 0;
1468 xfer->running_retry = 1;
1470 xfer->cancelled = 0;
1473 xfer->running_async = 0;
1474 xfer->running_retry = 0;
1476 xhci_xfer_unmap(xfer);
1480 trace_usb_xhci_xfer_success(xfer, ret);
1481 xfer->status = CC_SUCCESS;
1482 xhci_xfer_report(xfer);
1487 trace_usb_xhci_xfer_error(xfer, ret);
1490 xfer->status = CC_USB_TRANSACTION_ERROR;
1491 xhci_xfer_report(xfer);
1492 xhci_stall_ep(xfer);
1495 xfer->status = CC_STALL_ERROR;
1496 xhci_xfer_report(xfer);
1497 xhci_stall_ep(xfer);
1500 fprintf(stderr, "%s: FIXME: ret = %d\n", __FUNCTION__, ret);
1506 static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer)
1508 XHCITRB *trb_setup, *trb_status;
1509 uint8_t bmRequestType;
1512 trb_setup = &xfer->trbs[0];
1513 trb_status = &xfer->trbs[xfer->trb_count-1];
1515 trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid);
1517 /* at most one Event Data TRB allowed after STATUS */
1518 if (TRB_TYPE(*trb_status) == TR_EVDATA && xfer->trb_count > 2) {
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));
1528 if (TRB_TYPE(*trb_status) != TR_STATUS) {
1529 fprintf(stderr, "xhci: ep0 last TD not STATUS: %d\n",
1530 TRB_TYPE(*trb_status));
1533 if (!(trb_setup->control & TRB_TR_IDT)) {
1534 fprintf(stderr, "xhci: Setup TRB doesn't have IDT set\n");
1537 if ((trb_setup->status & 0x1ffff) != 8) {
1538 fprintf(stderr, "xhci: Setup TRB has bad length (%d)\n",
1539 (trb_setup->status & 0x1ffff));
1543 bmRequestType = trb_setup->parameter;
1545 xfer->in_xfer = bmRequestType & USB_DIR_IN;
1546 xfer->iso_xfer = false;
1548 if (xhci_setup_packet(xfer) < 0) {
1551 xfer->packet.parameter = trb_setup->parameter;
1553 ret = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet);
1555 xhci_complete_packet(xfer, ret);
1556 if (!xfer->running_async && !xfer->running_retry) {
1557 xhci_kick_ep(xhci, xfer->slotid, xfer->epid);
1562 static void xhci_calc_iso_kick(XHCIState *xhci, XHCITransfer *xfer,
1563 XHCIEPContext *epctx, uint64_t mfindex)
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;
1572 xfer->mfindex_kick = asap;
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;
1584 static void xhci_check_iso_kick(XHCIState *xhci, XHCITransfer *xfer,
1585 XHCIEPContext *epctx, uint64_t mfindex)
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;
1592 epctx->mfindex_last = xfer->mfindex_kick;
1593 qemu_del_timer(epctx->kick_timer);
1594 xfer->running_retry = 0;
1599 static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx)
1604 DPRINTF("xhci_submit(slotid=%d,epid=%d)\n", xfer->slotid, xfer->epid);
1606 xfer->in_xfer = epctx->type>>2;
1608 switch(epctx->type) {
1614 xfer->iso_xfer = false;
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) {
1628 fprintf(stderr, "xhci: unknown or unhandled EP "
1629 "(type %d, in %d, ep %02x)\n",
1630 epctx->type, xfer->in_xfer, xfer->epid);
1634 if (xhci_setup_packet(xfer) < 0) {
1637 ret = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet);
1639 xhci_complete_packet(xfer, ret);
1640 if (!xfer->running_async && !xfer->running_retry) {
1641 xhci_kick_ep(xhci, xfer->slotid, xfer->epid);
1646 static int xhci_fire_transfer(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx)
1648 trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid);
1649 return xhci_submit(xhci, xfer, epctx);
1652 static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, unsigned int epid)
1654 XHCIEPContext *epctx;
1655 USBEndpoint *ep = NULL;
1660 trace_usb_xhci_ep_kick(slotid, epid);
1661 assert(slotid >= 1 && slotid <= MAXSLOTS);
1662 assert(epid >= 1 && epid <= 31);
1664 if (!xhci->slots[slotid-1].enabled) {
1665 fprintf(stderr, "xhci: xhci_kick_ep for disabled slot %d\n", slotid);
1668 epctx = xhci->slots[slotid-1].eps[epid-1];
1670 fprintf(stderr, "xhci: xhci_kick_ep for disabled endpoint %d,%d\n",
1676 XHCITransfer *xfer = epctx->retry;
1679 trace_usb_xhci_xfer_retry(xfer);
1680 assert(xfer->running_retry);
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) {
1688 if (xhci_setup_packet(xfer) < 0) {
1691 result = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet);
1692 assert(result != USB_RET_NAK);
1693 xhci_complete_packet(xfer, result);
1695 /* retry nak'ed transfer */
1696 if (xhci_setup_packet(xfer) < 0) {
1699 result = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet);
1700 if (result == USB_RET_NAK) {
1703 xhci_complete_packet(xfer, result);
1705 assert(!xfer->running_retry);
1706 epctx->retry = NULL;
1709 if (epctx->state == EP_HALTED) {
1710 DPRINTF("xhci: ep halted, not running schedule\n");
1714 xhci_set_ep_state(xhci, epctx, EP_RUNNING);
1717 XHCITransfer *xfer = &epctx->transfers[epctx->next_xfer];
1718 if (xfer->running_async || xfer->running_retry) {
1721 length = xhci_ring_chain_length(xhci, &epctx->ring);
1724 } else if (length == 0) {
1727 if (xfer->trbs && xfer->trb_alloced < length) {
1728 xfer->trb_count = 0;
1729 xfer->trb_alloced = 0;
1734 xfer->trbs = g_malloc(sizeof(XHCITRB) * length);
1735 xfer->trb_alloced = length;
1737 xfer->trb_count = length;
1739 for (i = 0; i < length; i++) {
1740 assert(xhci_ring_fetch(xhci, &epctx->ring, &xfer->trbs[i], NULL));
1744 xfer->slotid = slotid;
1747 if (xhci_fire_ctl_transfer(xhci, xfer) >= 0) {
1748 epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE;
1749 ep = xfer->packet.ep;
1751 fprintf(stderr, "xhci: error firing CTL transfer\n");
1754 if (xhci_fire_transfer(xhci, xfer, epctx) >= 0) {
1755 epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE;
1756 ep = xfer->packet.ep;
1758 if (!xfer->iso_xfer) {
1759 fprintf(stderr, "xhci: error firing data transfer\n");
1764 if (epctx->state == EP_HALTED) {
1767 if (xfer->running_retry) {
1768 DPRINTF("xhci: xfer nacked, stopping schedule\n");
1769 epctx->retry = xfer;
1774 usb_device_flush_ep_queue(ep->dev, ep);
1778 static TRBCCode xhci_enable_slot(XHCIState *xhci, unsigned int slotid)
1780 trace_usb_xhci_slot_enable(slotid);
1781 assert(slotid >= 1 && slotid <= MAXSLOTS);
1782 xhci->slots[slotid-1].enabled = 1;
1783 xhci->slots[slotid-1].uport = NULL;
1784 memset(xhci->slots[slotid-1].eps, 0, sizeof(XHCIEPContext*)*31);
1789 static TRBCCode xhci_disable_slot(XHCIState *xhci, unsigned int slotid)
1793 trace_usb_xhci_slot_disable(slotid);
1794 assert(slotid >= 1 && slotid <= MAXSLOTS);
1796 for (i = 1; i <= 31; i++) {
1797 if (xhci->slots[slotid-1].eps[i-1]) {
1798 xhci_disable_ep(xhci, slotid, i);
1802 xhci->slots[slotid-1].enabled = 0;
1806 static USBPort *xhci_lookup_uport(XHCIState *xhci, uint32_t *slot_ctx)
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;
1820 pos += snprintf(path + pos, sizeof(path) - pos, ".%d", port);
1823 QTAILQ_FOREACH(uport, &xhci->bus.used, next) {
1824 if (strcmp(uport->path, path) == 0) {
1831 static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid,
1832 uint64_t pictx, bool bsr)
1837 dma_addr_t ictx, octx, dcbaap;
1839 uint32_t ictl_ctx[2];
1840 uint32_t slot_ctx[4];
1841 uint32_t ep0_ctx[5];
1845 trace_usb_xhci_slot_address(slotid);
1846 assert(slotid >= 1 && slotid <= MAXSLOTS);
1848 dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high);
1849 pci_dma_read(&xhci->pci_dev, dcbaap + 8*slotid, &poctx, sizeof(poctx));
1850 ictx = xhci_mask64(pictx);
1851 octx = xhci_mask64(le64_to_cpu(poctx));
1853 DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx);
1854 DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx);
1856 pci_dma_read(&xhci->pci_dev, ictx, ictl_ctx, sizeof(ictl_ctx));
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;
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));
1867 DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n",
1868 slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]);
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]);
1873 uport = xhci_lookup_uport(xhci, slot_ctx);
1874 if (uport == NULL) {
1875 fprintf(stderr, "xhci: port not found\n");
1876 return CC_TRB_ERROR;
1881 fprintf(stderr, "xhci: port %s not connected\n", uport->path);
1882 return CC_USB_TRANSACTION_ERROR;
1885 for (i = 0; i < MAXSLOTS; i++) {
1886 if (xhci->slots[i].uport == uport) {
1887 fprintf(stderr, "xhci: port %s already assigned to slot %d\n",
1889 return CC_TRB_ERROR;
1893 slot = &xhci->slots[slotid-1];
1894 slot->uport = uport;
1898 slot_ctx[3] = SLOT_DEFAULT << SLOT_STATE_SHIFT;
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);
1903 usb_device_handle_control(dev, NULL,
1904 DeviceOutRequest | USB_REQ_SET_ADDRESS,
1905 slot->devaddr, 0, 0, NULL);
1908 res = xhci_enable_ep(xhci, slotid, 1, octx+32, ep0_ctx);
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]);
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));
1922 static TRBCCode xhci_configure_slot(XHCIState *xhci, unsigned int slotid,
1923 uint64_t pictx, bool dc)
1925 dma_addr_t ictx, octx;
1926 uint32_t ictl_ctx[2];
1927 uint32_t slot_ctx[4];
1928 uint32_t islot_ctx[4];
1933 trace_usb_xhci_slot_configure(slotid);
1934 assert(slotid >= 1 && slotid <= MAXSLOTS);
1936 ictx = xhci_mask64(pictx);
1937 octx = xhci->slots[slotid-1].ctx;
1939 DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx);
1940 DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx);
1943 for (i = 2; i <= 31; i++) {
1944 if (xhci->slots[slotid-1].eps[i-1]) {
1945 xhci_disable_ep(xhci, slotid, i);
1949 pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx));
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]);
1954 pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx));
1959 pci_dma_read(&xhci->pci_dev, ictx, ictl_ctx, sizeof(ictl_ctx));
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;
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));
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;
1975 for (i = 2; i <= 31; i++) {
1976 if (ictl_ctx[0] & (1<<i)) {
1977 xhci_disable_ep(xhci, slotid, i);
1979 if (ictl_ctx[1] & (1<<i)) {
1980 pci_dma_read(&xhci->pci_dev, ictx+32+(32*i), ep_ctx,
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) {
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]);
1993 pci_dma_write(&xhci->pci_dev, octx+(32*i), ep_ctx, sizeof(ep_ctx));
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]);
2005 pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx));
2011 static TRBCCode xhci_evaluate_slot(XHCIState *xhci, unsigned int slotid,
2014 dma_addr_t ictx, octx;
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];
2021 trace_usb_xhci_slot_evaluate(slotid);
2022 assert(slotid >= 1 && slotid <= MAXSLOTS);
2024 ictx = xhci_mask64(pictx);
2025 octx = xhci->slots[slotid-1].ctx;
2027 DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx);
2028 DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx);
2030 pci_dma_read(&xhci->pci_dev, ictx, ictl_ctx, sizeof(ictl_ctx));
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;
2038 if (ictl_ctx[1] & 0x1) {
2039 pci_dma_read(&xhci->pci_dev, ictx+32, islot_ctx, sizeof(islot_ctx));
2041 DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n",
2042 islot_ctx[0], islot_ctx[1], islot_ctx[2], islot_ctx[3]);
2044 pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx));
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;
2051 DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",
2052 slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]);
2054 pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx));
2057 if (ictl_ctx[1] & 0x2) {
2058 pci_dma_read(&xhci->pci_dev, ictx+64, iep0_ctx, sizeof(iep0_ctx));
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]);
2064 pci_dma_read(&xhci->pci_dev, octx+32, ep0_ctx, sizeof(ep0_ctx));
2066 ep0_ctx[1] &= ~0xFFFF0000; /* max packet size*/
2067 ep0_ctx[1] |= iep0_ctx[1] & 0xFFFF0000;
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]);
2072 pci_dma_write(&xhci->pci_dev, octx+32, ep0_ctx, sizeof(ep0_ctx));
2078 static TRBCCode xhci_reset_slot(XHCIState *xhci, unsigned int slotid)
2080 uint32_t slot_ctx[4];
2084 trace_usb_xhci_slot_reset(slotid);
2085 assert(slotid >= 1 && slotid <= MAXSLOTS);
2087 octx = xhci->slots[slotid-1].ctx;
2089 DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx);
2091 for (i = 2; i <= 31; i++) {
2092 if (xhci->slots[slotid-1].eps[i-1]) {
2093 xhci_disable_ep(xhci, slotid, i);
2097 pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx));
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]);
2102 pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx));
2107 static unsigned int xhci_get_slot(XHCIState *xhci, XHCIEvent *event, XHCITRB *trb)
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;
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;
2123 static TRBCCode xhci_get_port_bandwidth(XHCIState *xhci, uint64_t pctx)
2126 uint8_t bw_ctx[xhci->numports+1];
2128 DPRINTF("xhci_get_port_bandwidth()\n");
2130 ctx = xhci_mask64(pctx);
2132 DPRINTF("xhci: bandwidth context at "DMA_ADDR_FMT"\n", ctx);
2134 /* TODO: actually implement real values here */
2136 memset(&bw_ctx[1], 80, xhci->numports); /* 80% */
2137 pci_dma_write(&xhci->pci_dev, ctx, bw_ctx, sizeof(bw_ctx));
2142 static uint32_t rotl(uint32_t v, unsigned count)
2145 return (v << count) | (v >> (32 - count));
2149 static uint32_t xhci_nec_challenge(uint32_t hi, uint32_t lo)
2152 val = rotl(lo - 0x49434878, 32 - ((hi>>8) & 0x1F));
2153 val += rotl(lo + 0x49434878, hi & 0x1F);
2154 val -= rotl(hi ^ 0x49434878, (lo >> 16) & 0x1F);
2158 static void xhci_via_challenge(XHCIState *xhci, uint64_t addr)
2162 dma_addr_t paddr = xhci_mask64(addr);
2164 pci_dma_read(&xhci->pci_dev, paddr, &buf, 32);
2166 memcpy(obuf, buf, sizeof(obuf));
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;
2180 pci_dma_write(&xhci->pci_dev, paddr, &obuf, 32);
2183 static void xhci_process_commands(XHCIState *xhci)
2187 XHCIEvent event = {ER_COMMAND_COMPLETE, CC_SUCCESS};
2189 unsigned int i, slotid = 0;
2191 DPRINTF("xhci_process_commands()\n");
2192 if (!xhci_running(xhci)) {
2193 DPRINTF("xhci_process_commands() called while xHC stopped or paused\n");
2197 xhci->crcr_low |= CRCR_CRR;
2199 while ((type = xhci_ring_fetch(xhci, &xhci->cmd_ring, &trb, &addr))) {
2202 case CR_ENABLE_SLOT:
2203 for (i = 0; i < MAXSLOTS; i++) {
2204 if (!xhci->slots[i].enabled) {
2208 if (i >= MAXSLOTS) {
2209 fprintf(stderr, "xhci: no device slots available\n");
2210 event.ccode = CC_NO_SLOTS_ERROR;
2213 event.ccode = xhci_enable_slot(xhci, slotid);
2216 case CR_DISABLE_SLOT:
2217 slotid = xhci_get_slot(xhci, &event, &trb);
2219 event.ccode = xhci_disable_slot(xhci, slotid);
2222 case CR_ADDRESS_DEVICE:
2223 slotid = xhci_get_slot(xhci, &event, &trb);
2225 event.ccode = xhci_address_slot(xhci, slotid, trb.parameter,
2226 trb.control & TRB_CR_BSR);
2229 case CR_CONFIGURE_ENDPOINT:
2230 slotid = xhci_get_slot(xhci, &event, &trb);
2232 event.ccode = xhci_configure_slot(xhci, slotid, trb.parameter,
2233 trb.control & TRB_CR_DC);
2236 case CR_EVALUATE_CONTEXT:
2237 slotid = xhci_get_slot(xhci, &event, &trb);
2239 event.ccode = xhci_evaluate_slot(xhci, slotid, trb.parameter);
2242 case CR_STOP_ENDPOINT:
2243 slotid = xhci_get_slot(xhci, &event, &trb);
2245 unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT)
2247 event.ccode = xhci_stop_ep(xhci, slotid, epid);
2250 case CR_RESET_ENDPOINT:
2251 slotid = xhci_get_slot(xhci, &event, &trb);
2253 unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT)
2255 event.ccode = xhci_reset_ep(xhci, slotid, epid);
2258 case CR_SET_TR_DEQUEUE:
2259 slotid = xhci_get_slot(xhci, &event, &trb);
2261 unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT)
2263 event.ccode = xhci_set_ep_dequeue(xhci, slotid, epid,
2267 case CR_RESET_DEVICE:
2268 slotid = xhci_get_slot(xhci, &event, &trb);
2270 event.ccode = xhci_reset_slot(xhci, slotid);
2273 case CR_GET_PORT_BANDWIDTH:
2274 event.ccode = xhci_get_port_bandwidth(xhci, trb.parameter);
2276 case CR_VENDOR_VIA_CHALLENGE_RESPONSE:
2277 xhci_via_challenge(xhci, trb.parameter);
2279 case CR_VENDOR_NEC_FIRMWARE_REVISION:
2280 event.type = 48; /* NEC reply */
2281 event.length = 0x3025;
2283 case CR_VENDOR_NEC_CHALLENGE_RESPONSE:
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;
2291 event.type = 48; /* NEC reply */
2295 fprintf(stderr, "xhci: unimplemented command %d\n", type);
2296 event.ccode = CC_TRB_ERROR;
2299 event.slotid = slotid;
2300 xhci_event(xhci, &event, 0);
2304 static void xhci_update_port(XHCIState *xhci, XHCIPort *port, int is_detach)
2306 port->portsc = PORTSC_PP;
2307 if (port->uport->dev && port->uport->dev->attached && !is_detach &&
2308 (1 << port->uport->dev->speed) & port->speedmask) {
2309 port->portsc |= PORTSC_CCS;
2310 switch (port->uport->dev->speed) {
2312 port->portsc |= PORTSC_SPEED_LOW;
2314 case USB_SPEED_FULL:
2315 port->portsc |= PORTSC_SPEED_FULL;
2317 case USB_SPEED_HIGH:
2318 port->portsc |= PORTSC_SPEED_HIGH;
2320 case USB_SPEED_SUPER:
2321 port->portsc |= PORTSC_SPEED_SUPER;
2326 if (xhci_running(xhci)) {
2327 port->portsc |= PORTSC_CSC;
2328 XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS,
2329 port->portnr << 24};
2330 xhci_event(xhci, &ev, 0);
2331 DPRINTF("xhci: port change event for port %d\n", port->portnr);
2335 static void xhci_reset(DeviceState *dev)
2337 XHCIState *xhci = DO_UPCAST(XHCIState, pci_dev.qdev, dev);
2340 trace_usb_xhci_reset();
2341 if (!(xhci->usbsts & USBSTS_HCH)) {
2342 fprintf(stderr, "xhci: reset while running!\n");
2346 xhci->usbsts = USBSTS_HCH;
2349 xhci->crcr_high = 0;
2350 xhci->dcbaap_low = 0;
2351 xhci->dcbaap_high = 0;
2355 for (i = 0; i < MAXSLOTS; i++) {
2356 xhci_disable_slot(xhci, i+1);
2359 for (i = 0; i < xhci->numports; i++) {
2360 xhci_update_port(xhci, xhci->ports + i, 0);
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;
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;
2380 xhci->mfindex_start = qemu_get_clock_ns(vm_clock);
2381 xhci_mfwrap_update(xhci);
2384 static uint64_t xhci_cap_read(void *ptr, hwaddr reg, unsigned size)
2386 XHCIState *xhci = ptr;
2390 case 0x00: /* HCIVERSION, CAPLENGTH */
2391 ret = 0x01000000 | LEN_CAP;
2393 case 0x04: /* HCSPARAMS 1 */
2394 ret = ((xhci->numports_2+xhci->numports_3)<<24)
2395 | (MAXINTRS<<8) | MAXSLOTS;
2397 case 0x08: /* HCSPARAMS 2 */
2400 case 0x0c: /* HCSPARAMS 3 */
2403 case 0x10: /* HCCPARAMS */
2404 if (sizeof(dma_addr_t) == 4) {
2410 case 0x14: /* DBOFF */
2413 case 0x18: /* RTSOFF */
2417 /* extended capabilities */
2418 case 0x20: /* Supported Protocol:00 */
2419 ret = 0x02000402; /* USB 2.0 */
2421 case 0x24: /* Supported Protocol:04 */
2422 ret = 0x20425455; /* "USB " */
2424 case 0x28: /* Supported Protocol:08 */
2425 ret = 0x00000001 | (xhci->numports_2<<8);
2427 case 0x2c: /* Supported Protocol:0c */
2428 ret = 0x00000000; /* reserved */
2430 case 0x30: /* Supported Protocol:00 */
2431 ret = 0x03000002; /* USB 3.0 */
2433 case 0x34: /* Supported Protocol:04 */
2434 ret = 0x20425455; /* "USB " */
2436 case 0x38: /* Supported Protocol:08 */
2437 ret = 0x00000000 | (xhci->numports_2+1) | (xhci->numports_3<<8);
2439 case 0x3c: /* Supported Protocol:0c */
2440 ret = 0x00000000; /* reserved */
2443 fprintf(stderr, "xhci_cap_read: reg %d unimplemented\n", (int)reg);
2447 trace_usb_xhci_cap_read(reg, ret);
2451 static uint64_t xhci_port_read(void *ptr, hwaddr reg, unsigned size)
2453 XHCIPort *port = ptr;
2457 case 0x00: /* PORTSC */
2460 case 0x04: /* PORTPMSC */
2461 case 0x08: /* PORTLI */
2464 case 0x0c: /* reserved */
2466 fprintf(stderr, "xhci_port_read (port %d): reg 0x%x unimplemented\n",
2467 port->portnr, (uint32_t)reg);
2471 trace_usb_xhci_port_read(port->portnr, reg, ret);
2475 static void xhci_port_write(void *ptr, hwaddr reg,
2476 uint64_t val, unsigned size)
2478 XHCIPort *port = ptr;
2481 trace_usb_xhci_port_write(port->portnr, reg, val);
2484 case 0x00: /* PORTSC */
2485 portsc = port->portsc;
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);
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);
2500 usb_device_reset(port->uport->dev);
2501 portsc |= PORTSC_PRC | PORTSC_PED;
2503 port->portsc = portsc;
2505 case 0x04: /* PORTPMSC */
2506 case 0x08: /* PORTLI */
2508 fprintf(stderr, "xhci_port_write (port %d): reg 0x%x unimplemented\n",
2509 port->portnr, (uint32_t)reg);
2513 static uint64_t xhci_oper_read(void *ptr, hwaddr reg, unsigned size)
2515 XHCIState *xhci = ptr;
2519 case 0x00: /* USBCMD */
2522 case 0x04: /* USBSTS */
2525 case 0x08: /* PAGESIZE */
2528 case 0x14: /* DNCTRL */
2531 case 0x18: /* CRCR low */
2532 ret = xhci->crcr_low & ~0xe;
2534 case 0x1c: /* CRCR high */
2535 ret = xhci->crcr_high;
2537 case 0x30: /* DCBAAP low */
2538 ret = xhci->dcbaap_low;
2540 case 0x34: /* DCBAAP high */
2541 ret = xhci->dcbaap_high;
2543 case 0x38: /* CONFIG */
2547 fprintf(stderr, "xhci_oper_read: reg 0x%x unimplemented\n", (int)reg);
2551 trace_usb_xhci_oper_read(reg, ret);
2555 static void xhci_oper_write(void *ptr, hwaddr reg,
2556 uint64_t val, unsigned size)
2558 XHCIState *xhci = ptr;
2560 trace_usb_xhci_oper_write(reg, val);
2563 case 0x00: /* USBCMD */
2564 if ((val & USBCMD_RS) && !(xhci->usbcmd & USBCMD_RS)) {
2566 } else if (!(val & USBCMD_RS) && (xhci->usbcmd & USBCMD_RS)) {
2569 xhci->usbcmd = val & 0xc0f;
2570 xhci_mfwrap_update(xhci);
2571 if (val & USBCMD_HCRST) {
2572 xhci_reset(&xhci->pci_dev.qdev);
2574 xhci_intx_update(xhci);
2577 case 0x04: /* USBSTS */
2578 /* these bits are write-1-to-clear */
2579 xhci->usbsts &= ~(val & (USBSTS_HSE|USBSTS_EINT|USBSTS_PCD|USBSTS_SRE));
2580 xhci_intx_update(xhci);
2583 case 0x14: /* DNCTRL */
2584 xhci->dnctrl = val & 0xffff;
2586 case 0x18: /* CRCR low */
2587 xhci->crcr_low = (val & 0xffffffcf) | (xhci->crcr_low & CRCR_CRR);
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;
2594 xhci_event(xhci, &event, 0);
2595 DPRINTF("xhci: command ring stopped (CRCR=%08x)\n", xhci->crcr_low);
2597 dma_addr_t base = xhci_addr64(xhci->crcr_low & ~0x3f, val);
2598 xhci_ring_init(xhci, &xhci->cmd_ring, base);
2600 xhci->crcr_low &= ~(CRCR_CA | CRCR_CS);
2602 case 0x30: /* DCBAAP low */
2603 xhci->dcbaap_low = val & 0xffffffc0;
2605 case 0x34: /* DCBAAP high */
2606 xhci->dcbaap_high = val;
2608 case 0x38: /* CONFIG */
2609 xhci->config = val & 0xff;
2612 fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n", (int)reg);
2616 static uint64_t xhci_runtime_read(void *ptr, hwaddr reg,
2619 XHCIState *xhci = ptr;
2624 case 0x00: /* MFINDEX */
2625 ret = xhci_mfindex_get(xhci) & 0x3fff;
2628 fprintf(stderr, "xhci_runtime_read: reg 0x%x unimplemented\n",
2633 int v = (reg - 0x20) / 0x20;
2634 XHCIInterrupter *intr = &xhci->intr[v];
2635 switch (reg & 0x1f) {
2636 case 0x00: /* IMAN */
2639 case 0x04: /* IMOD */
2642 case 0x08: /* ERSTSZ */
2645 case 0x10: /* ERSTBA low */
2646 ret = intr->erstba_low;
2648 case 0x14: /* ERSTBA high */
2649 ret = intr->erstba_high;
2651 case 0x18: /* ERDP low */
2652 ret = intr->erdp_low;
2654 case 0x1c: /* ERDP high */
2655 ret = intr->erdp_high;
2660 trace_usb_xhci_runtime_read(reg, ret);
2664 static void xhci_runtime_write(void *ptr, hwaddr reg,
2665 uint64_t val, unsigned size)
2667 XHCIState *xhci = ptr;
2668 int v = (reg - 0x20) / 0x20;
2669 XHCIInterrupter *intr = &xhci->intr[v];
2670 trace_usb_xhci_runtime_write(reg, val);
2673 fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n", (int)reg);
2677 switch (reg & 0x1f) {
2678 case 0x00: /* IMAN */
2679 if (val & IMAN_IP) {
2680 intr->iman &= ~IMAN_IP;
2682 intr->iman &= ~IMAN_IE;
2683 intr->iman |= val & IMAN_IE;
2685 xhci_intx_update(xhci);
2687 xhci_msix_update(xhci, v);
2689 case 0x04: /* IMOD */
2692 case 0x08: /* ERSTSZ */
2693 intr->erstsz = val & 0xffff;
2695 case 0x10: /* ERSTBA low */
2696 /* XXX NEC driver bug: it doesn't align this to 64 bytes
2697 intr->erstba_low = val & 0xffffffc0; */
2698 intr->erstba_low = val & 0xfffffff0;
2700 case 0x14: /* ERSTBA high */
2701 intr->erstba_high = val;
2702 xhci_er_reset(xhci, v);
2704 case 0x18: /* ERDP low */
2705 if (val & ERDP_EHB) {
2706 intr->erdp_low &= ~ERDP_EHB;
2708 intr->erdp_low = (val & ~ERDP_EHB) | (intr->erdp_low & ERDP_EHB);
2710 case 0x1c: /* ERDP high */
2711 intr->erdp_high = val;
2712 xhci_events_update(xhci, v);
2715 fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n",
2720 static uint64_t xhci_doorbell_read(void *ptr, hwaddr reg,
2723 /* doorbells always read as 0 */
2724 trace_usb_xhci_doorbell_read(reg, 0);
2728 static void xhci_doorbell_write(void *ptr, hwaddr reg,
2729 uint64_t val, unsigned size)
2731 XHCIState *xhci = ptr;
2733 trace_usb_xhci_doorbell_write(reg, val);
2735 if (!xhci_running(xhci)) {
2736 fprintf(stderr, "xhci: wrote doorbell while xHC stopped or paused\n");
2744 xhci_process_commands(xhci);
2746 fprintf(stderr, "xhci: bad doorbell 0 write: 0x%x\n",
2750 if (reg > MAXSLOTS) {
2751 fprintf(stderr, "xhci: bad doorbell %d\n", (int)reg);
2752 } else if (val > 31) {
2753 fprintf(stderr, "xhci: bad doorbell %d write: 0x%x\n",
2754 (int)reg, (uint32_t)val);
2756 xhci_kick_ep(xhci, reg, val);
2761 static const MemoryRegionOps xhci_cap_ops = {
2762 .read = xhci_cap_read,
2763 .valid.min_access_size = 1,
2764 .valid.max_access_size = 4,
2765 .impl.min_access_size = 4,
2766 .impl.max_access_size = 4,
2767 .endianness = DEVICE_LITTLE_ENDIAN,
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,
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,
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,
2794 static const MemoryRegionOps xhci_doorbell_ops = {
2795 .read = xhci_doorbell_read,
2796 .write = xhci_doorbell_write,
2797 .valid.min_access_size = 4,
2798 .valid.max_access_size = 4,
2799 .endianness = DEVICE_LITTLE_ENDIAN,
2802 static void xhci_attach(USBPort *usbport)
2804 XHCIState *xhci = usbport->opaque;
2805 XHCIPort *port = xhci_lookup_port(xhci, usbport);
2807 xhci_update_port(xhci, port, 0);
2810 static void xhci_detach(USBPort *usbport)
2812 XHCIState *xhci = usbport->opaque;
2813 XHCIPort *port = xhci_lookup_port(xhci, usbport);
2815 xhci_update_port(xhci, port, 1);
2818 static void xhci_wakeup(USBPort *usbport)
2820 XHCIState *xhci = usbport->opaque;
2821 XHCIPort *port = xhci_lookup_port(xhci, usbport);
2822 XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS,
2823 port->portnr << 24};
2826 pls = (port->portsc >> PORTSC_PLS_SHIFT) & PORTSC_PLS_MASK;
2830 port->portsc |= 0xf << PORTSC_PLS_SHIFT;
2831 if (port->portsc & PORTSC_PLC) {
2834 port->portsc |= PORTSC_PLC;
2835 xhci_event(xhci, &ev, 0);
2838 static void xhci_complete(USBPort *port, USBPacket *packet)
2840 XHCITransfer *xfer = container_of(packet, XHCITransfer, packet);
2842 if (packet->result == USB_RET_REMOVE_FROM_QUEUE) {
2843 xhci_ep_nuke_one_xfer(xfer);
2846 xhci_complete_packet(xfer, packet->result);
2847 xhci_kick_ep(xfer->xhci, xfer->slotid, xfer->epid);
2850 static void xhci_child_detach(USBPort *uport, USBDevice *child)
2852 USBBus *bus = usb_bus_from_device(child);
2853 XHCIState *xhci = container_of(bus, XHCIState, bus);
2856 for (i = 0; i < MAXSLOTS; i++) {
2857 if (xhci->slots[i].uport == uport) {
2858 xhci->slots[i].uport = NULL;
2863 static USBPortOps xhci_uport_ops = {
2864 .attach = xhci_attach,
2865 .detach = xhci_detach,
2866 .wakeup = xhci_wakeup,
2867 .complete = xhci_complete,
2868 .child_detach = xhci_child_detach,
2871 static int xhci_find_slotid(XHCIState *xhci, USBDevice *dev)
2876 for (slotid = 1; slotid <= MAXSLOTS; slotid++) {
2877 slot = &xhci->slots[slotid-1];
2878 if (slot->devaddr == dev->addr) {
2885 static int xhci_find_epid(USBEndpoint *ep)
2890 if (ep->pid == USB_TOKEN_IN) {
2891 return ep->nr * 2 + 1;
2897 static void xhci_wakeup_endpoint(USBBus *bus, USBEndpoint *ep)
2899 XHCIState *xhci = container_of(bus, XHCIState, bus);
2902 DPRINTF("%s\n", __func__);
2903 slotid = xhci_find_slotid(xhci, ep->dev);
2904 if (slotid == 0 || !xhci->slots[slotid-1].enabled) {
2905 DPRINTF("%s: oops, no slot for dev %d\n", __func__, ep->dev->addr);
2908 xhci_kick_ep(xhci, slotid, xhci_find_epid(ep));
2911 static USBBusOps xhci_bus_ops = {
2912 .wakeup_endpoint = xhci_wakeup_endpoint,
2915 static void usb_xhci_init(XHCIState *xhci, DeviceState *dev)
2918 int i, usbports, speedmask;
2920 xhci->usbsts = USBSTS_HCH;
2922 if (xhci->numports_2 > MAXPORTS_2) {
2923 xhci->numports_2 = MAXPORTS_2;
2925 if (xhci->numports_3 > MAXPORTS_3) {
2926 xhci->numports_3 = MAXPORTS_3;
2928 usbports = MAX(xhci->numports_2, xhci->numports_3);
2929 xhci->numports = xhci->numports_2 + xhci->numports_3;
2931 usb_bus_new(&xhci->bus, &xhci_bus_ops, &xhci->pci_dev.qdev);
2933 for (i = 0; i < usbports; i++) {
2935 if (i < xhci->numports_2) {
2936 port = &xhci->ports[i];
2937 port->portnr = i + 1;
2938 port->uport = &xhci->uports[i];
2940 USB_SPEED_MASK_LOW |
2941 USB_SPEED_MASK_FULL |
2942 USB_SPEED_MASK_HIGH;
2943 snprintf(port->name, sizeof(port->name), "usb2 port #%d", i+1);
2944 speedmask |= port->speedmask;
2946 if (i < xhci->numports_3) {
2947 port = &xhci->ports[i + xhci->numports_2];
2948 port->portnr = i + 1 + xhci->numports_2;
2949 port->uport = &xhci->uports[i];
2950 port->speedmask = USB_SPEED_MASK_SUPER;
2951 snprintf(port->name, sizeof(port->name), "usb3 port #%d", i+1);
2952 speedmask |= port->speedmask;
2954 usb_register_port(&xhci->bus, &xhci->uports[i], xhci, i,
2955 &xhci_uport_ops, speedmask);
2959 static int usb_xhci_initfn(struct PCIDevice *dev)
2963 XHCIState *xhci = DO_UPCAST(XHCIState, pci_dev, dev);
2965 xhci->pci_dev.config[PCI_CLASS_PROG] = 0x30; /* xHCI */
2966 xhci->pci_dev.config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin 1 */
2967 xhci->pci_dev.config[PCI_CACHE_LINE_SIZE] = 0x10;
2968 xhci->pci_dev.config[0x60] = 0x30; /* release number */
2970 usb_xhci_init(xhci, &dev->qdev);
2972 xhci->mfwrap_timer = qemu_new_timer_ns(vm_clock, xhci_mfwrap_timer, xhci);
2974 xhci->irq = xhci->pci_dev.irq[0];
2976 memory_region_init(&xhci->mem, "xhci", LEN_REGS);
2977 memory_region_init_io(&xhci->mem_cap, &xhci_cap_ops, xhci,
2978 "capabilities", LEN_CAP);
2979 memory_region_init_io(&xhci->mem_oper, &xhci_oper_ops, xhci,
2980 "operational", 0x400);
2981 memory_region_init_io(&xhci->mem_runtime, &xhci_runtime_ops, xhci,
2982 "runtime", LEN_RUNTIME);
2983 memory_region_init_io(&xhci->mem_doorbell, &xhci_doorbell_ops, xhci,
2984 "doorbell", LEN_DOORBELL);
2986 memory_region_add_subregion(&xhci->mem, 0, &xhci->mem_cap);
2987 memory_region_add_subregion(&xhci->mem, OFF_OPER, &xhci->mem_oper);
2988 memory_region_add_subregion(&xhci->mem, OFF_RUNTIME, &xhci->mem_runtime);
2989 memory_region_add_subregion(&xhci->mem, OFF_DOORBELL, &xhci->mem_doorbell);
2991 for (i = 0; i < xhci->numports; i++) {
2992 XHCIPort *port = &xhci->ports[i];
2993 uint32_t offset = OFF_OPER + 0x400 + 0x10 * i;
2995 memory_region_init_io(&port->mem, &xhci_port_ops, port,
2997 memory_region_add_subregion(&xhci->mem, offset, &port->mem);
3000 pci_register_bar(&xhci->pci_dev, 0,
3001 PCI_BASE_ADDRESS_SPACE_MEMORY|PCI_BASE_ADDRESS_MEM_TYPE_64,
3004 ret = pcie_cap_init(&xhci->pci_dev, 0xa0, PCI_EXP_TYPE_ENDPOINT, 0);
3007 if (xhci->flags & (1 << XHCI_FLAG_USE_MSI)) {
3008 msi_init(&xhci->pci_dev, 0x70, MAXINTRS, true, false);
3010 if (xhci->flags & (1 << XHCI_FLAG_USE_MSI_X)) {
3011 msix_init(&xhci->pci_dev, MAXINTRS,
3012 &xhci->mem, 0, OFF_MSIX_TABLE,
3013 &xhci->mem, 0, OFF_MSIX_PBA,
3020 static const VMStateDescription vmstate_xhci = {
3025 static Property xhci_properties[] = {
3026 DEFINE_PROP_BIT("msi", XHCIState, flags, XHCI_FLAG_USE_MSI, true),
3027 DEFINE_PROP_BIT("msix", XHCIState, flags, XHCI_FLAG_USE_MSI_X, true),
3028 DEFINE_PROP_UINT32("p2", XHCIState, numports_2, 4),
3029 DEFINE_PROP_UINT32("p3", XHCIState, numports_3, 4),
3030 DEFINE_PROP_END_OF_LIST(),
3033 static void xhci_class_init(ObjectClass *klass, void *data)
3035 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
3036 DeviceClass *dc = DEVICE_CLASS(klass);
3038 dc->vmsd = &vmstate_xhci;
3039 dc->props = xhci_properties;
3040 dc->reset = xhci_reset;
3041 k->init = usb_xhci_initfn;
3042 k->vendor_id = PCI_VENDOR_ID_NEC;
3043 k->device_id = PCI_DEVICE_ID_NEC_UPD720200;
3044 k->class_id = PCI_CLASS_SERIAL_USB;
3049 static TypeInfo xhci_info = {
3050 .name = "nec-usb-xhci",
3051 .parent = TYPE_PCI_DEVICE,
3052 .instance_size = sizeof(XHCIState),
3053 .class_init = xhci_class_init,
3056 static void xhci_register_types(void)
3058 type_register_static(&xhci_info);
3061 type_init(xhci_register_types)