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 {
160 PLS_COMPILANCE_MODE = 10,
165 typedef enum TRBType {
178 CR_CONFIGURE_ENDPOINT,
186 CR_SET_LATENCY_TOLERANCE,
187 CR_GET_PORT_BANDWIDTH,
192 ER_PORT_STATUS_CHANGE,
193 ER_BANDWIDTH_REQUEST,
196 ER_DEVICE_NOTIFICATION,
198 /* vendor specific bits */
199 CR_VENDOR_VIA_CHALLENGE_RESPONSE = 48,
200 CR_VENDOR_NEC_FIRMWARE_REVISION = 49,
201 CR_VENDOR_NEC_CHALLENGE_RESPONSE = 50,
204 #define CR_LINK TR_LINK
206 typedef enum TRBCCode {
209 CC_DATA_BUFFER_ERROR,
211 CC_USB_TRANSACTION_ERROR,
217 CC_INVALID_STREAM_TYPE_ERROR,
218 CC_SLOT_NOT_ENABLED_ERROR,
219 CC_EP_NOT_ENABLED_ERROR,
225 CC_BANDWIDTH_OVERRUN,
226 CC_CONTEXT_STATE_ERROR,
227 CC_NO_PING_RESPONSE_ERROR,
228 CC_EVENT_RING_FULL_ERROR,
229 CC_INCOMPATIBLE_DEVICE_ERROR,
230 CC_MISSED_SERVICE_ERROR,
231 CC_COMMAND_RING_STOPPED,
234 CC_STOPPED_LENGTH_INVALID,
235 CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR = 29,
236 CC_ISOCH_BUFFER_OVERRUN = 31,
239 CC_INVALID_STREAM_ID_ERROR,
240 CC_SECONDARY_BANDWIDTH_ERROR,
241 CC_SPLIT_TRANSACTION_ERROR
245 #define TRB_TYPE_SHIFT 10
246 #define TRB_TYPE_MASK 0x3f
247 #define TRB_TYPE(t) (((t).control >> TRB_TYPE_SHIFT) & TRB_TYPE_MASK)
249 #define TRB_EV_ED (1<<2)
251 #define TRB_TR_ENT (1<<1)
252 #define TRB_TR_ISP (1<<2)
253 #define TRB_TR_NS (1<<3)
254 #define TRB_TR_CH (1<<4)
255 #define TRB_TR_IOC (1<<5)
256 #define TRB_TR_IDT (1<<6)
257 #define TRB_TR_TBC_SHIFT 7
258 #define TRB_TR_TBC_MASK 0x3
259 #define TRB_TR_BEI (1<<9)
260 #define TRB_TR_TLBPC_SHIFT 16
261 #define TRB_TR_TLBPC_MASK 0xf
262 #define TRB_TR_FRAMEID_SHIFT 20
263 #define TRB_TR_FRAMEID_MASK 0x7ff
264 #define TRB_TR_SIA (1<<31)
266 #define TRB_TR_DIR (1<<16)
268 #define TRB_CR_SLOTID_SHIFT 24
269 #define TRB_CR_SLOTID_MASK 0xff
270 #define TRB_CR_EPID_SHIFT 16
271 #define TRB_CR_EPID_MASK 0x1f
273 #define TRB_CR_BSR (1<<9)
274 #define TRB_CR_DC (1<<9)
276 #define TRB_LK_TC (1<<1)
278 #define TRB_INTR_SHIFT 22
279 #define TRB_INTR_MASK 0x3ff
280 #define TRB_INTR(t) (((t).status >> TRB_INTR_SHIFT) & TRB_INTR_MASK)
282 #define EP_TYPE_MASK 0x7
283 #define EP_TYPE_SHIFT 3
285 #define EP_STATE_MASK 0x7
286 #define EP_DISABLED (0<<0)
287 #define EP_RUNNING (1<<0)
288 #define EP_HALTED (2<<0)
289 #define EP_STOPPED (3<<0)
290 #define EP_ERROR (4<<0)
292 #define SLOT_STATE_MASK 0x1f
293 #define SLOT_STATE_SHIFT 27
294 #define SLOT_STATE(s) (((s)>>SLOT_STATE_SHIFT)&SLOT_STATE_MASK)
295 #define SLOT_ENABLED 0
296 #define SLOT_DEFAULT 1
297 #define SLOT_ADDRESSED 2
298 #define SLOT_CONFIGURED 3
300 #define SLOT_CONTEXT_ENTRIES_MASK 0x1f
301 #define SLOT_CONTEXT_ENTRIES_SHIFT 27
303 typedef struct XHCIState XHCIState;
305 #define get_field(data, field) \
306 (((data) >> field##_SHIFT) & field##_MASK)
308 #define set_field(data, newval, field) do { \
309 uint32_t val = *data; \
310 val &= ~(field##_MASK << field##_SHIFT); \
311 val |= ((newval) & field##_MASK) << field##_SHIFT; \
315 typedef enum EPType {
326 typedef struct XHCIRing {
332 typedef struct XHCIPort {
342 typedef struct XHCITransfer {
351 unsigned int iso_pkts;
357 unsigned int trb_count;
358 unsigned int trb_alloced;
364 unsigned int pktsize;
365 unsigned int cur_pkt;
367 uint64_t mfindex_kick;
370 typedef struct XHCIEPContext {
376 unsigned int next_xfer;
377 unsigned int comp_xfer;
378 XHCITransfer transfers[TD_QUEUE];
382 unsigned int max_psize;
385 /* iso xfer scheduling */
386 unsigned int interval;
387 int64_t mfindex_last;
388 QEMUTimer *kick_timer;
391 typedef struct XHCISlot {
395 unsigned int devaddr;
396 XHCIEPContext * eps[31];
399 typedef struct XHCIEvent {
409 typedef struct XHCIInterrupter {
414 uint32_t erstba_high;
418 bool msix_used, er_pcs, er_full;
422 unsigned int er_ep_idx;
424 XHCIEvent ev_buffer[EV_QUEUE];
425 unsigned int ev_buffer_put;
426 unsigned int ev_buffer_get;
435 MemoryRegion mem_cap;
436 MemoryRegion mem_oper;
437 MemoryRegion mem_runtime;
438 MemoryRegion mem_doorbell;
440 unsigned int devaddr;
449 /* Operational Registers */
456 uint32_t dcbaap_high;
459 USBPort uports[MAX(MAXPORTS_2, MAXPORTS_3)];
460 XHCIPort ports[MAXPORTS];
461 XHCISlot slots[MAXSLOTS];
464 /* Runtime Registers */
465 int64_t mfindex_start;
466 QEMUTimer *mfwrap_timer;
467 XHCIInterrupter intr[MAXINTRS];
472 typedef struct XHCIEvRingSeg {
480 XHCI_FLAG_USE_MSI = 1,
484 static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid,
486 static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid,
488 static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v);
489 static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v);
491 static const char *TRBType_names[] = {
492 [TRB_RESERVED] = "TRB_RESERVED",
493 [TR_NORMAL] = "TR_NORMAL",
494 [TR_SETUP] = "TR_SETUP",
495 [TR_DATA] = "TR_DATA",
496 [TR_STATUS] = "TR_STATUS",
497 [TR_ISOCH] = "TR_ISOCH",
498 [TR_LINK] = "TR_LINK",
499 [TR_EVDATA] = "TR_EVDATA",
500 [TR_NOOP] = "TR_NOOP",
501 [CR_ENABLE_SLOT] = "CR_ENABLE_SLOT",
502 [CR_DISABLE_SLOT] = "CR_DISABLE_SLOT",
503 [CR_ADDRESS_DEVICE] = "CR_ADDRESS_DEVICE",
504 [CR_CONFIGURE_ENDPOINT] = "CR_CONFIGURE_ENDPOINT",
505 [CR_EVALUATE_CONTEXT] = "CR_EVALUATE_CONTEXT",
506 [CR_RESET_ENDPOINT] = "CR_RESET_ENDPOINT",
507 [CR_STOP_ENDPOINT] = "CR_STOP_ENDPOINT",
508 [CR_SET_TR_DEQUEUE] = "CR_SET_TR_DEQUEUE",
509 [CR_RESET_DEVICE] = "CR_RESET_DEVICE",
510 [CR_FORCE_EVENT] = "CR_FORCE_EVENT",
511 [CR_NEGOTIATE_BW] = "CR_NEGOTIATE_BW",
512 [CR_SET_LATENCY_TOLERANCE] = "CR_SET_LATENCY_TOLERANCE",
513 [CR_GET_PORT_BANDWIDTH] = "CR_GET_PORT_BANDWIDTH",
514 [CR_FORCE_HEADER] = "CR_FORCE_HEADER",
515 [CR_NOOP] = "CR_NOOP",
516 [ER_TRANSFER] = "ER_TRANSFER",
517 [ER_COMMAND_COMPLETE] = "ER_COMMAND_COMPLETE",
518 [ER_PORT_STATUS_CHANGE] = "ER_PORT_STATUS_CHANGE",
519 [ER_BANDWIDTH_REQUEST] = "ER_BANDWIDTH_REQUEST",
520 [ER_DOORBELL] = "ER_DOORBELL",
521 [ER_HOST_CONTROLLER] = "ER_HOST_CONTROLLER",
522 [ER_DEVICE_NOTIFICATION] = "ER_DEVICE_NOTIFICATION",
523 [ER_MFINDEX_WRAP] = "ER_MFINDEX_WRAP",
524 [CR_VENDOR_VIA_CHALLENGE_RESPONSE] = "CR_VENDOR_VIA_CHALLENGE_RESPONSE",
525 [CR_VENDOR_NEC_FIRMWARE_REVISION] = "CR_VENDOR_NEC_FIRMWARE_REVISION",
526 [CR_VENDOR_NEC_CHALLENGE_RESPONSE] = "CR_VENDOR_NEC_CHALLENGE_RESPONSE",
529 static const char *TRBCCode_names[] = {
530 [CC_INVALID] = "CC_INVALID",
531 [CC_SUCCESS] = "CC_SUCCESS",
532 [CC_DATA_BUFFER_ERROR] = "CC_DATA_BUFFER_ERROR",
533 [CC_BABBLE_DETECTED] = "CC_BABBLE_DETECTED",
534 [CC_USB_TRANSACTION_ERROR] = "CC_USB_TRANSACTION_ERROR",
535 [CC_TRB_ERROR] = "CC_TRB_ERROR",
536 [CC_STALL_ERROR] = "CC_STALL_ERROR",
537 [CC_RESOURCE_ERROR] = "CC_RESOURCE_ERROR",
538 [CC_BANDWIDTH_ERROR] = "CC_BANDWIDTH_ERROR",
539 [CC_NO_SLOTS_ERROR] = "CC_NO_SLOTS_ERROR",
540 [CC_INVALID_STREAM_TYPE_ERROR] = "CC_INVALID_STREAM_TYPE_ERROR",
541 [CC_SLOT_NOT_ENABLED_ERROR] = "CC_SLOT_NOT_ENABLED_ERROR",
542 [CC_EP_NOT_ENABLED_ERROR] = "CC_EP_NOT_ENABLED_ERROR",
543 [CC_SHORT_PACKET] = "CC_SHORT_PACKET",
544 [CC_RING_UNDERRUN] = "CC_RING_UNDERRUN",
545 [CC_RING_OVERRUN] = "CC_RING_OVERRUN",
546 [CC_VF_ER_FULL] = "CC_VF_ER_FULL",
547 [CC_PARAMETER_ERROR] = "CC_PARAMETER_ERROR",
548 [CC_BANDWIDTH_OVERRUN] = "CC_BANDWIDTH_OVERRUN",
549 [CC_CONTEXT_STATE_ERROR] = "CC_CONTEXT_STATE_ERROR",
550 [CC_NO_PING_RESPONSE_ERROR] = "CC_NO_PING_RESPONSE_ERROR",
551 [CC_EVENT_RING_FULL_ERROR] = "CC_EVENT_RING_FULL_ERROR",
552 [CC_INCOMPATIBLE_DEVICE_ERROR] = "CC_INCOMPATIBLE_DEVICE_ERROR",
553 [CC_MISSED_SERVICE_ERROR] = "CC_MISSED_SERVICE_ERROR",
554 [CC_COMMAND_RING_STOPPED] = "CC_COMMAND_RING_STOPPED",
555 [CC_COMMAND_ABORTED] = "CC_COMMAND_ABORTED",
556 [CC_STOPPED] = "CC_STOPPED",
557 [CC_STOPPED_LENGTH_INVALID] = "CC_STOPPED_LENGTH_INVALID",
558 [CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR]
559 = "CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR",
560 [CC_ISOCH_BUFFER_OVERRUN] = "CC_ISOCH_BUFFER_OVERRUN",
561 [CC_EVENT_LOST_ERROR] = "CC_EVENT_LOST_ERROR",
562 [CC_UNDEFINED_ERROR] = "CC_UNDEFINED_ERROR",
563 [CC_INVALID_STREAM_ID_ERROR] = "CC_INVALID_STREAM_ID_ERROR",
564 [CC_SECONDARY_BANDWIDTH_ERROR] = "CC_SECONDARY_BANDWIDTH_ERROR",
565 [CC_SPLIT_TRANSACTION_ERROR] = "CC_SPLIT_TRANSACTION_ERROR",
568 static const char *lookup_name(uint32_t index, const char **list, uint32_t llen)
570 if (index >= llen || list[index] == NULL) {
576 static const char *trb_name(XHCITRB *trb)
578 return lookup_name(TRB_TYPE(*trb), TRBType_names,
579 ARRAY_SIZE(TRBType_names));
582 static const char *event_name(XHCIEvent *event)
584 return lookup_name(event->ccode, TRBCCode_names,
585 ARRAY_SIZE(TRBCCode_names));
588 static uint64_t xhci_mfindex_get(XHCIState *xhci)
590 int64_t now = qemu_get_clock_ns(vm_clock);
591 return (now - xhci->mfindex_start) / 125000;
594 static void xhci_mfwrap_update(XHCIState *xhci)
596 const uint32_t bits = USBCMD_RS | USBCMD_EWE;
597 uint32_t mfindex, left;
600 if ((xhci->usbcmd & bits) == bits) {
601 now = qemu_get_clock_ns(vm_clock);
602 mfindex = ((now - xhci->mfindex_start) / 125000) & 0x3fff;
603 left = 0x4000 - mfindex;
604 qemu_mod_timer(xhci->mfwrap_timer, now + left * 125000);
606 qemu_del_timer(xhci->mfwrap_timer);
610 static void xhci_mfwrap_timer(void *opaque)
612 XHCIState *xhci = opaque;
613 XHCIEvent wrap = { ER_MFINDEX_WRAP, CC_SUCCESS };
615 xhci_event(xhci, &wrap, 0);
616 xhci_mfwrap_update(xhci);
619 static inline dma_addr_t xhci_addr64(uint32_t low, uint32_t high)
621 if (sizeof(dma_addr_t) == 4) {
624 return low | (((dma_addr_t)high << 16) << 16);
628 static inline dma_addr_t xhci_mask64(uint64_t addr)
630 if (sizeof(dma_addr_t) == 4) {
631 return addr & 0xffffffff;
637 static inline void xhci_dma_read_u32s(XHCIState *xhci, dma_addr_t addr,
638 uint32_t *buf, size_t len)
642 assert((len % sizeof(uint32_t)) == 0);
644 pci_dma_read(&xhci->pci_dev, addr, buf, len);
646 for (i = 0; i < (len / sizeof(uint32_t)); i++) {
647 buf[i] = le32_to_cpu(buf[i]);
651 static inline void xhci_dma_write_u32s(XHCIState *xhci, dma_addr_t addr,
652 uint32_t *buf, size_t len)
655 uint32_t tmp[len / sizeof(uint32_t)];
657 assert((len % sizeof(uint32_t)) == 0);
659 for (i = 0; i < (len / sizeof(uint32_t)); i++) {
660 tmp[i] = cpu_to_le32(buf[i]);
662 pci_dma_write(&xhci->pci_dev, addr, tmp, len);
665 static XHCIPort *xhci_lookup_port(XHCIState *xhci, struct USBPort *uport)
672 switch (uport->dev->speed) {
676 index = uport->index;
678 case USB_SPEED_SUPER:
679 index = uport->index + xhci->numports_2;
684 return &xhci->ports[index];
687 static void xhci_intx_update(XHCIState *xhci)
691 if (msix_enabled(&xhci->pci_dev) ||
692 msi_enabled(&xhci->pci_dev)) {
696 if (xhci->intr[0].iman & IMAN_IP &&
697 xhci->intr[0].iman & IMAN_IE &&
698 xhci->usbcmd & USBCMD_INTE) {
702 trace_usb_xhci_irq_intx(level);
703 qemu_set_irq(xhci->irq, level);
706 static void xhci_msix_update(XHCIState *xhci, int v)
710 if (!msix_enabled(&xhci->pci_dev)) {
714 enabled = xhci->intr[v].iman & IMAN_IE;
715 if (enabled == xhci->intr[v].msix_used) {
720 trace_usb_xhci_irq_msix_use(v);
721 msix_vector_use(&xhci->pci_dev, v);
722 xhci->intr[v].msix_used = true;
724 trace_usb_xhci_irq_msix_unuse(v);
725 msix_vector_unuse(&xhci->pci_dev, v);
726 xhci->intr[v].msix_used = false;
730 static void xhci_intr_raise(XHCIState *xhci, int v)
732 xhci->intr[v].erdp_low |= ERDP_EHB;
733 xhci->intr[v].iman |= IMAN_IP;
734 xhci->usbsts |= USBSTS_EINT;
736 if (!(xhci->intr[v].iman & IMAN_IE)) {
740 if (!(xhci->usbcmd & USBCMD_INTE)) {
744 if (msix_enabled(&xhci->pci_dev)) {
745 trace_usb_xhci_irq_msix(v);
746 msix_notify(&xhci->pci_dev, v);
750 if (msi_enabled(&xhci->pci_dev)) {
751 trace_usb_xhci_irq_msi(v);
752 msi_notify(&xhci->pci_dev, v);
757 trace_usb_xhci_irq_intx(1);
758 qemu_set_irq(xhci->irq, 1);
762 static inline int xhci_running(XHCIState *xhci)
764 return !(xhci->usbsts & USBSTS_HCH) && !xhci->intr[0].er_full;
767 static void xhci_die(XHCIState *xhci)
769 xhci->usbsts |= USBSTS_HCE;
770 fprintf(stderr, "xhci: asserted controller error\n");
773 static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v)
775 XHCIInterrupter *intr = &xhci->intr[v];
779 ev_trb.parameter = cpu_to_le64(event->ptr);
780 ev_trb.status = cpu_to_le32(event->length | (event->ccode << 24));
781 ev_trb.control = (event->slotid << 24) | (event->epid << 16) |
782 event->flags | (event->type << TRB_TYPE_SHIFT);
784 ev_trb.control |= TRB_C;
786 ev_trb.control = cpu_to_le32(ev_trb.control);
788 trace_usb_xhci_queue_event(v, intr->er_ep_idx, trb_name(&ev_trb),
789 event_name(event), ev_trb.parameter,
790 ev_trb.status, ev_trb.control);
792 addr = intr->er_start + TRB_SIZE*intr->er_ep_idx;
793 pci_dma_write(&xhci->pci_dev, addr, &ev_trb, TRB_SIZE);
796 if (intr->er_ep_idx >= intr->er_size) {
798 intr->er_pcs = !intr->er_pcs;
802 static void xhci_events_update(XHCIState *xhci, int v)
804 XHCIInterrupter *intr = &xhci->intr[v];
809 if (xhci->usbsts & USBSTS_HCH) {
813 erdp = xhci_addr64(intr->erdp_low, intr->erdp_high);
814 if (erdp < intr->er_start ||
815 erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) {
816 fprintf(stderr, "xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp);
817 fprintf(stderr, "xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n",
818 v, intr->er_start, intr->er_size);
822 dp_idx = (erdp - intr->er_start) / TRB_SIZE;
823 assert(dp_idx < intr->er_size);
825 /* NEC didn't read section 4.9.4 of the spec (v1.0 p139 top Note) and thus
826 * deadlocks when the ER is full. Hack it by holding off events until
827 * the driver decides to free at least half of the ring */
829 int er_free = dp_idx - intr->er_ep_idx;
831 er_free += intr->er_size;
833 if (er_free < (intr->er_size/2)) {
834 DPRINTF("xhci_events_update(): event ring still "
835 "more than half full (hack)\n");
840 while (intr->ev_buffer_put != intr->ev_buffer_get) {
841 assert(intr->er_full);
842 if (((intr->er_ep_idx+1) % intr->er_size) == dp_idx) {
843 DPRINTF("xhci_events_update(): event ring full again\n");
845 XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR};
846 xhci_write_event(xhci, &full, v);
851 XHCIEvent *event = &intr->ev_buffer[intr->ev_buffer_get];
852 xhci_write_event(xhci, event, v);
853 intr->ev_buffer_get++;
855 if (intr->ev_buffer_get == EV_QUEUE) {
856 intr->ev_buffer_get = 0;
861 xhci_intr_raise(xhci, v);
864 if (intr->er_full && intr->ev_buffer_put == intr->ev_buffer_get) {
865 DPRINTF("xhci_events_update(): event ring no longer full\n");
870 static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v)
872 XHCIInterrupter *intr;
876 if (v >= xhci->numintrs) {
877 DPRINTF("intr nr out of range (%d >= %d)\n", v, xhci->numintrs);
880 intr = &xhci->intr[v];
883 DPRINTF("xhci_event(): ER full, queueing\n");
884 if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) {
885 fprintf(stderr, "xhci: event queue full, dropping event!\n");
888 intr->ev_buffer[intr->ev_buffer_put++] = *event;
889 if (intr->ev_buffer_put == EV_QUEUE) {
890 intr->ev_buffer_put = 0;
895 erdp = xhci_addr64(intr->erdp_low, intr->erdp_high);
896 if (erdp < intr->er_start ||
897 erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) {
898 fprintf(stderr, "xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp);
899 fprintf(stderr, "xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n",
900 v, intr->er_start, intr->er_size);
905 dp_idx = (erdp - intr->er_start) / TRB_SIZE;
906 assert(dp_idx < intr->er_size);
908 if ((intr->er_ep_idx+1) % intr->er_size == dp_idx) {
909 DPRINTF("xhci_event(): ER full, queueing\n");
911 XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR};
912 xhci_write_event(xhci, &full);
915 if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) {
916 fprintf(stderr, "xhci: event queue full, dropping event!\n");
919 intr->ev_buffer[intr->ev_buffer_put++] = *event;
920 if (intr->ev_buffer_put == EV_QUEUE) {
921 intr->ev_buffer_put = 0;
924 xhci_write_event(xhci, event, v);
927 xhci_intr_raise(xhci, v);
930 static void xhci_ring_init(XHCIState *xhci, XHCIRing *ring,
934 ring->dequeue = base;
938 static TRBType xhci_ring_fetch(XHCIState *xhci, XHCIRing *ring, XHCITRB *trb,
943 pci_dma_read(&xhci->pci_dev, ring->dequeue, trb, TRB_SIZE);
944 trb->addr = ring->dequeue;
945 trb->ccs = ring->ccs;
946 le64_to_cpus(&trb->parameter);
947 le32_to_cpus(&trb->status);
948 le32_to_cpus(&trb->control);
950 trace_usb_xhci_fetch_trb(ring->dequeue, trb_name(trb),
951 trb->parameter, trb->status, trb->control);
953 if ((trb->control & TRB_C) != ring->ccs) {
957 type = TRB_TYPE(*trb);
959 if (type != TR_LINK) {
961 *addr = ring->dequeue;
963 ring->dequeue += TRB_SIZE;
966 ring->dequeue = xhci_mask64(trb->parameter);
967 if (trb->control & TRB_LK_TC) {
968 ring->ccs = !ring->ccs;
974 static int xhci_ring_chain_length(XHCIState *xhci, const XHCIRing *ring)
978 dma_addr_t dequeue = ring->dequeue;
979 bool ccs = ring->ccs;
980 /* hack to bundle together the two/three TDs that make a setup transfer */
981 bool control_td_set = 0;
985 pci_dma_read(&xhci->pci_dev, dequeue, &trb, TRB_SIZE);
986 le64_to_cpus(&trb.parameter);
987 le32_to_cpus(&trb.status);
988 le32_to_cpus(&trb.control);
990 if ((trb.control & TRB_C) != ccs) {
994 type = TRB_TYPE(trb);
996 if (type == TR_LINK) {
997 dequeue = xhci_mask64(trb.parameter);
998 if (trb.control & TRB_LK_TC) {
1005 dequeue += TRB_SIZE;
1007 if (type == TR_SETUP) {
1009 } else if (type == TR_STATUS) {
1013 if (!control_td_set && !(trb.control & TRB_TR_CH)) {
1019 static void xhci_er_reset(XHCIState *xhci, int v)
1021 XHCIInterrupter *intr = &xhci->intr[v];
1024 if (intr->erstsz == 0) {
1030 /* cache the (sole) event ring segment location */
1031 if (intr->erstsz != 1) {
1032 fprintf(stderr, "xhci: invalid value for ERSTSZ: %d\n", intr->erstsz);
1036 dma_addr_t erstba = xhci_addr64(intr->erstba_low, intr->erstba_high);
1037 pci_dma_read(&xhci->pci_dev, erstba, &seg, sizeof(seg));
1038 le32_to_cpus(&seg.addr_low);
1039 le32_to_cpus(&seg.addr_high);
1040 le32_to_cpus(&seg.size);
1041 if (seg.size < 16 || seg.size > 4096) {
1042 fprintf(stderr, "xhci: invalid value for segment size: %d\n", seg.size);
1046 intr->er_start = xhci_addr64(seg.addr_low, seg.addr_high);
1047 intr->er_size = seg.size;
1049 intr->er_ep_idx = 0;
1053 DPRINTF("xhci: event ring[%d]:" DMA_ADDR_FMT " [%d]\n",
1054 v, intr->er_start, intr->er_size);
1057 static void xhci_run(XHCIState *xhci)
1059 trace_usb_xhci_run();
1060 xhci->usbsts &= ~USBSTS_HCH;
1061 xhci->mfindex_start = qemu_get_clock_ns(vm_clock);
1064 static void xhci_stop(XHCIState *xhci)
1066 trace_usb_xhci_stop();
1067 xhci->usbsts |= USBSTS_HCH;
1068 xhci->crcr_low &= ~CRCR_CRR;
1071 static void xhci_set_ep_state(XHCIState *xhci, XHCIEPContext *epctx,
1076 xhci_dma_read_u32s(xhci, epctx->pctx, ctx, sizeof(ctx));
1077 ctx[0] &= ~EP_STATE_MASK;
1079 ctx[2] = epctx->ring.dequeue | epctx->ring.ccs;
1080 ctx[3] = (epctx->ring.dequeue >> 16) >> 16;
1081 DPRINTF("xhci: set epctx: " DMA_ADDR_FMT " state=%d dequeue=%08x%08x\n",
1082 epctx->pctx, state, ctx[3], ctx[2]);
1083 xhci_dma_write_u32s(xhci, epctx->pctx, ctx, sizeof(ctx));
1084 epctx->state = state;
1087 static void xhci_ep_kick_timer(void *opaque)
1089 XHCIEPContext *epctx = opaque;
1090 xhci_kick_ep(epctx->xhci, epctx->slotid, epctx->epid);
1093 static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid,
1094 unsigned int epid, dma_addr_t pctx,
1098 XHCIEPContext *epctx;
1102 trace_usb_xhci_ep_enable(slotid, epid);
1103 assert(slotid >= 1 && slotid <= xhci->numslots);
1104 assert(epid >= 1 && epid <= 31);
1106 slot = &xhci->slots[slotid-1];
1107 if (slot->eps[epid-1]) {
1108 xhci_disable_ep(xhci, slotid, epid);
1111 epctx = g_malloc(sizeof(XHCIEPContext));
1112 memset(epctx, 0, sizeof(XHCIEPContext));
1114 epctx->slotid = slotid;
1117 slot->eps[epid-1] = epctx;
1119 dequeue = xhci_addr64(ctx[2] & ~0xf, ctx[3]);
1120 xhci_ring_init(xhci, &epctx->ring, dequeue);
1121 epctx->ring.ccs = ctx[2] & 1;
1123 epctx->type = (ctx[1] >> EP_TYPE_SHIFT) & EP_TYPE_MASK;
1124 DPRINTF("xhci: endpoint %d.%d type is %d\n", epid/2, epid%2, epctx->type);
1126 epctx->max_psize = ctx[1]>>16;
1127 epctx->max_psize *= 1+((ctx[1]>>8)&0xff);
1128 DPRINTF("xhci: endpoint %d.%d max transaction (burst) size is %d\n",
1129 epid/2, epid%2, epctx->max_psize);
1130 for (i = 0; i < ARRAY_SIZE(epctx->transfers); i++) {
1131 usb_packet_init(&epctx->transfers[i].packet);
1134 epctx->interval = 1 << (ctx[0] >> 16) & 0xff;
1135 epctx->mfindex_last = 0;
1136 epctx->kick_timer = qemu_new_timer_ns(vm_clock, xhci_ep_kick_timer, epctx);
1138 epctx->state = EP_RUNNING;
1139 ctx[0] &= ~EP_STATE_MASK;
1140 ctx[0] |= EP_RUNNING;
1145 static int xhci_ep_nuke_one_xfer(XHCITransfer *t)
1149 if (t->running_async) {
1150 usb_cancel_packet(&t->packet);
1151 t->running_async = 0;
1153 DPRINTF("xhci: cancelling transfer, waiting for it to complete\n");
1156 if (t->running_retry) {
1157 XHCIEPContext *epctx = t->xhci->slots[t->slotid-1].eps[t->epid-1];
1159 epctx->retry = NULL;
1160 qemu_del_timer(epctx->kick_timer);
1162 t->running_retry = 0;
1169 t->trb_count = t->trb_alloced = 0;
1174 static int xhci_ep_nuke_xfers(XHCIState *xhci, unsigned int slotid,
1178 XHCIEPContext *epctx;
1179 int i, xferi, killed = 0;
1180 assert(slotid >= 1 && slotid <= xhci->numslots);
1181 assert(epid >= 1 && epid <= 31);
1183 DPRINTF("xhci_ep_nuke_xfers(%d, %d)\n", slotid, epid);
1185 slot = &xhci->slots[slotid-1];
1187 if (!slot->eps[epid-1]) {
1191 epctx = slot->eps[epid-1];
1193 xferi = epctx->next_xfer;
1194 for (i = 0; i < TD_QUEUE; i++) {
1195 killed += xhci_ep_nuke_one_xfer(&epctx->transfers[xferi]);
1196 xferi = (xferi + 1) % TD_QUEUE;
1201 static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid,
1205 XHCIEPContext *epctx;
1207 trace_usb_xhci_ep_disable(slotid, epid);
1208 assert(slotid >= 1 && slotid <= xhci->numslots);
1209 assert(epid >= 1 && epid <= 31);
1211 slot = &xhci->slots[slotid-1];
1213 if (!slot->eps[epid-1]) {
1214 DPRINTF("xhci: slot %d ep %d already disabled\n", slotid, epid);
1218 xhci_ep_nuke_xfers(xhci, slotid, epid);
1220 epctx = slot->eps[epid-1];
1222 xhci_set_ep_state(xhci, epctx, EP_DISABLED);
1224 qemu_free_timer(epctx->kick_timer);
1226 slot->eps[epid-1] = NULL;
1231 static TRBCCode xhci_stop_ep(XHCIState *xhci, unsigned int slotid,
1235 XHCIEPContext *epctx;
1237 trace_usb_xhci_ep_stop(slotid, epid);
1238 assert(slotid >= 1 && slotid <= xhci->numslots);
1240 if (epid < 1 || epid > 31) {
1241 fprintf(stderr, "xhci: bad ep %d\n", epid);
1242 return CC_TRB_ERROR;
1245 slot = &xhci->slots[slotid-1];
1247 if (!slot->eps[epid-1]) {
1248 DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid);
1249 return CC_EP_NOT_ENABLED_ERROR;
1252 if (xhci_ep_nuke_xfers(xhci, slotid, epid) > 0) {
1253 fprintf(stderr, "xhci: FIXME: endpoint stopped w/ xfers running, "
1254 "data might be lost\n");
1257 epctx = slot->eps[epid-1];
1259 xhci_set_ep_state(xhci, epctx, EP_STOPPED);
1264 static TRBCCode xhci_reset_ep(XHCIState *xhci, unsigned int slotid,
1268 XHCIEPContext *epctx;
1271 trace_usb_xhci_ep_reset(slotid, epid);
1272 assert(slotid >= 1 && slotid <= xhci->numslots);
1274 if (epid < 1 || epid > 31) {
1275 fprintf(stderr, "xhci: bad ep %d\n", epid);
1276 return CC_TRB_ERROR;
1279 slot = &xhci->slots[slotid-1];
1281 if (!slot->eps[epid-1]) {
1282 DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid);
1283 return CC_EP_NOT_ENABLED_ERROR;
1286 epctx = slot->eps[epid-1];
1288 if (epctx->state != EP_HALTED) {
1289 fprintf(stderr, "xhci: reset EP while EP %d not halted (%d)\n",
1290 epid, epctx->state);
1291 return CC_CONTEXT_STATE_ERROR;
1294 if (xhci_ep_nuke_xfers(xhci, slotid, epid) > 0) {
1295 fprintf(stderr, "xhci: FIXME: endpoint reset w/ xfers running, "
1296 "data might be lost\n");
1299 uint8_t ep = epid>>1;
1305 dev = xhci->slots[slotid-1].uport->dev;
1307 return CC_USB_TRANSACTION_ERROR;
1310 xhci_set_ep_state(xhci, epctx, EP_STOPPED);
1315 static TRBCCode xhci_set_ep_dequeue(XHCIState *xhci, unsigned int slotid,
1316 unsigned int epid, uint64_t pdequeue)
1319 XHCIEPContext *epctx;
1322 assert(slotid >= 1 && slotid <= xhci->numslots);
1324 if (epid < 1 || epid > 31) {
1325 fprintf(stderr, "xhci: bad ep %d\n", epid);
1326 return CC_TRB_ERROR;
1329 trace_usb_xhci_ep_set_dequeue(slotid, epid, pdequeue);
1330 dequeue = xhci_mask64(pdequeue);
1332 slot = &xhci->slots[slotid-1];
1334 if (!slot->eps[epid-1]) {
1335 DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid);
1336 return CC_EP_NOT_ENABLED_ERROR;
1339 epctx = slot->eps[epid-1];
1342 if (epctx->state != EP_STOPPED) {
1343 fprintf(stderr, "xhci: set EP dequeue pointer while EP %d not stopped\n", epid);
1344 return CC_CONTEXT_STATE_ERROR;
1347 xhci_ring_init(xhci, &epctx->ring, dequeue & ~0xF);
1348 epctx->ring.ccs = dequeue & 1;
1350 xhci_set_ep_state(xhci, epctx, EP_STOPPED);
1355 static int xhci_xfer_create_sgl(XHCITransfer *xfer, int in_xfer)
1357 XHCIState *xhci = xfer->xhci;
1360 xfer->int_req = false;
1361 pci_dma_sglist_init(&xfer->sgl, &xhci->pci_dev, xfer->trb_count);
1362 for (i = 0; i < xfer->trb_count; i++) {
1363 XHCITRB *trb = &xfer->trbs[i];
1365 unsigned int chunk = 0;
1367 if (trb->control & TRB_TR_IOC) {
1368 xfer->int_req = true;
1371 switch (TRB_TYPE(*trb)) {
1373 if ((!(trb->control & TRB_TR_DIR)) != (!in_xfer)) {
1374 fprintf(stderr, "xhci: data direction mismatch for TR_DATA\n");
1380 addr = xhci_mask64(trb->parameter);
1381 chunk = trb->status & 0x1ffff;
1382 if (trb->control & TRB_TR_IDT) {
1383 if (chunk > 8 || in_xfer) {
1384 fprintf(stderr, "xhci: invalid immediate data TRB\n");
1387 qemu_sglist_add(&xfer->sgl, trb->addr, chunk);
1389 qemu_sglist_add(&xfer->sgl, addr, chunk);
1398 qemu_sglist_destroy(&xfer->sgl);
1403 static void xhci_xfer_unmap(XHCITransfer *xfer)
1405 usb_packet_unmap(&xfer->packet, &xfer->sgl);
1406 qemu_sglist_destroy(&xfer->sgl);
1409 static void xhci_xfer_report(XHCITransfer *xfer)
1415 XHCIEvent event = {ER_TRANSFER, CC_SUCCESS};
1416 XHCIState *xhci = xfer->xhci;
1419 left = xfer->packet.actual_length;
1421 for (i = 0; i < xfer->trb_count; i++) {
1422 XHCITRB *trb = &xfer->trbs[i];
1423 unsigned int chunk = 0;
1425 switch (TRB_TYPE(*trb)) {
1429 chunk = trb->status & 0x1ffff;
1432 if (xfer->status == CC_SUCCESS) {
1445 if (!reported && ((trb->control & TRB_TR_IOC) ||
1446 (shortpkt && (trb->control & TRB_TR_ISP)) ||
1447 (xfer->status != CC_SUCCESS && left == 0))) {
1448 event.slotid = xfer->slotid;
1449 event.epid = xfer->epid;
1450 event.length = (trb->status & 0x1ffff) - chunk;
1452 event.ptr = trb->addr;
1453 if (xfer->status == CC_SUCCESS) {
1454 event.ccode = shortpkt ? CC_SHORT_PACKET : CC_SUCCESS;
1456 event.ccode = xfer->status;
1458 if (TRB_TYPE(*trb) == TR_EVDATA) {
1459 event.ptr = trb->parameter;
1460 event.flags |= TRB_EV_ED;
1461 event.length = edtla & 0xffffff;
1462 DPRINTF("xhci_xfer_data: EDTLA=%d\n", event.length);
1465 xhci_event(xhci, &event, TRB_INTR(*trb));
1467 if (xfer->status != CC_SUCCESS) {
1474 static void xhci_stall_ep(XHCITransfer *xfer)
1476 XHCIState *xhci = xfer->xhci;
1477 XHCISlot *slot = &xhci->slots[xfer->slotid-1];
1478 XHCIEPContext *epctx = slot->eps[xfer->epid-1];
1480 epctx->ring.dequeue = xfer->trbs[0].addr;
1481 epctx->ring.ccs = xfer->trbs[0].ccs;
1482 xhci_set_ep_state(xhci, epctx, EP_HALTED);
1483 DPRINTF("xhci: stalled slot %d ep %d\n", xfer->slotid, xfer->epid);
1484 DPRINTF("xhci: will continue at "DMA_ADDR_FMT"\n", epctx->ring.dequeue);
1487 static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer,
1488 XHCIEPContext *epctx);
1490 static int xhci_setup_packet(XHCITransfer *xfer)
1492 XHCIState *xhci = xfer->xhci;
1497 dir = xfer->in_xfer ? USB_TOKEN_IN : USB_TOKEN_OUT;
1499 if (xfer->packet.ep) {
1500 ep = xfer->packet.ep;
1503 if (!xhci->slots[xfer->slotid-1].uport) {
1504 fprintf(stderr, "xhci: slot %d has no device\n",
1508 dev = xhci->slots[xfer->slotid-1].uport->dev;
1509 ep = usb_ep_get(dev, dir, xfer->epid >> 1);
1512 xhci_xfer_create_sgl(xfer, dir == USB_TOKEN_IN); /* Also sets int_req */
1513 usb_packet_setup(&xfer->packet, dir, ep, xfer->trbs[0].addr, false,
1515 usb_packet_map(&xfer->packet, &xfer->sgl);
1516 DPRINTF("xhci: setup packet pid 0x%x addr %d ep %d\n",
1517 xfer->packet.pid, dev->addr, ep->nr);
1521 static int xhci_complete_packet(XHCITransfer *xfer)
1523 if (xfer->packet.status == USB_RET_ASYNC) {
1524 trace_usb_xhci_xfer_async(xfer);
1525 xfer->running_async = 1;
1526 xfer->running_retry = 0;
1528 xfer->cancelled = 0;
1530 } else if (xfer->packet.status == USB_RET_NAK) {
1531 trace_usb_xhci_xfer_nak(xfer);
1532 xfer->running_async = 0;
1533 xfer->running_retry = 1;
1535 xfer->cancelled = 0;
1538 xfer->running_async = 0;
1539 xfer->running_retry = 0;
1541 xhci_xfer_unmap(xfer);
1544 if (xfer->packet.status == USB_RET_SUCCESS) {
1545 trace_usb_xhci_xfer_success(xfer, xfer->packet.actual_length);
1546 xfer->status = CC_SUCCESS;
1547 xhci_xfer_report(xfer);
1552 trace_usb_xhci_xfer_error(xfer, xfer->packet.status);
1553 switch (xfer->packet.status) {
1555 xfer->status = CC_USB_TRANSACTION_ERROR;
1556 xhci_xfer_report(xfer);
1557 xhci_stall_ep(xfer);
1560 xfer->status = CC_STALL_ERROR;
1561 xhci_xfer_report(xfer);
1562 xhci_stall_ep(xfer);
1565 fprintf(stderr, "%s: FIXME: status = %d\n", __func__,
1566 xfer->packet.status);
1572 static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer)
1574 XHCITRB *trb_setup, *trb_status;
1575 uint8_t bmRequestType;
1577 trb_setup = &xfer->trbs[0];
1578 trb_status = &xfer->trbs[xfer->trb_count-1];
1580 trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid);
1582 /* at most one Event Data TRB allowed after STATUS */
1583 if (TRB_TYPE(*trb_status) == TR_EVDATA && xfer->trb_count > 2) {
1587 /* do some sanity checks */
1588 if (TRB_TYPE(*trb_setup) != TR_SETUP) {
1589 fprintf(stderr, "xhci: ep0 first TD not SETUP: %d\n",
1590 TRB_TYPE(*trb_setup));
1593 if (TRB_TYPE(*trb_status) != TR_STATUS) {
1594 fprintf(stderr, "xhci: ep0 last TD not STATUS: %d\n",
1595 TRB_TYPE(*trb_status));
1598 if (!(trb_setup->control & TRB_TR_IDT)) {
1599 fprintf(stderr, "xhci: Setup TRB doesn't have IDT set\n");
1602 if ((trb_setup->status & 0x1ffff) != 8) {
1603 fprintf(stderr, "xhci: Setup TRB has bad length (%d)\n",
1604 (trb_setup->status & 0x1ffff));
1608 bmRequestType = trb_setup->parameter;
1610 xfer->in_xfer = bmRequestType & USB_DIR_IN;
1611 xfer->iso_xfer = false;
1613 if (xhci_setup_packet(xfer) < 0) {
1616 xfer->packet.parameter = trb_setup->parameter;
1618 usb_handle_packet(xfer->packet.ep->dev, &xfer->packet);
1620 xhci_complete_packet(xfer);
1621 if (!xfer->running_async && !xfer->running_retry) {
1622 xhci_kick_ep(xhci, xfer->slotid, xfer->epid);
1627 static void xhci_calc_iso_kick(XHCIState *xhci, XHCITransfer *xfer,
1628 XHCIEPContext *epctx, uint64_t mfindex)
1630 if (xfer->trbs[0].control & TRB_TR_SIA) {
1631 uint64_t asap = ((mfindex + epctx->interval - 1) &
1632 ~(epctx->interval-1));
1633 if (asap >= epctx->mfindex_last &&
1634 asap <= epctx->mfindex_last + epctx->interval * 4) {
1635 xfer->mfindex_kick = epctx->mfindex_last + epctx->interval;
1637 xfer->mfindex_kick = asap;
1640 xfer->mfindex_kick = (xfer->trbs[0].control >> TRB_TR_FRAMEID_SHIFT)
1641 & TRB_TR_FRAMEID_MASK;
1642 xfer->mfindex_kick |= mfindex & ~0x3fff;
1643 if (xfer->mfindex_kick < mfindex) {
1644 xfer->mfindex_kick += 0x4000;
1649 static void xhci_check_iso_kick(XHCIState *xhci, XHCITransfer *xfer,
1650 XHCIEPContext *epctx, uint64_t mfindex)
1652 if (xfer->mfindex_kick > mfindex) {
1653 qemu_mod_timer(epctx->kick_timer, qemu_get_clock_ns(vm_clock) +
1654 (xfer->mfindex_kick - mfindex) * 125000);
1655 xfer->running_retry = 1;
1657 epctx->mfindex_last = xfer->mfindex_kick;
1658 qemu_del_timer(epctx->kick_timer);
1659 xfer->running_retry = 0;
1664 static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx)
1668 DPRINTF("xhci_submit(slotid=%d,epid=%d)\n", xfer->slotid, xfer->epid);
1670 xfer->in_xfer = epctx->type>>2;
1672 switch(epctx->type) {
1678 xfer->iso_xfer = false;
1683 xfer->iso_xfer = true;
1684 mfindex = xhci_mfindex_get(xhci);
1685 xhci_calc_iso_kick(xhci, xfer, epctx, mfindex);
1686 xhci_check_iso_kick(xhci, xfer, epctx, mfindex);
1687 if (xfer->running_retry) {
1692 fprintf(stderr, "xhci: unknown or unhandled EP "
1693 "(type %d, in %d, ep %02x)\n",
1694 epctx->type, xfer->in_xfer, xfer->epid);
1698 if (xhci_setup_packet(xfer) < 0) {
1701 usb_handle_packet(xfer->packet.ep->dev, &xfer->packet);
1703 xhci_complete_packet(xfer);
1704 if (!xfer->running_async && !xfer->running_retry) {
1705 xhci_kick_ep(xhci, xfer->slotid, xfer->epid);
1710 static int xhci_fire_transfer(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx)
1712 trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid);
1713 return xhci_submit(xhci, xfer, epctx);
1716 static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, unsigned int epid)
1718 XHCIEPContext *epctx;
1719 USBEndpoint *ep = NULL;
1724 trace_usb_xhci_ep_kick(slotid, epid);
1725 assert(slotid >= 1 && slotid <= xhci->numslots);
1726 assert(epid >= 1 && epid <= 31);
1728 if (!xhci->slots[slotid-1].enabled) {
1729 fprintf(stderr, "xhci: xhci_kick_ep for disabled slot %d\n", slotid);
1732 epctx = xhci->slots[slotid-1].eps[epid-1];
1734 fprintf(stderr, "xhci: xhci_kick_ep for disabled endpoint %d,%d\n",
1740 XHCITransfer *xfer = epctx->retry;
1742 trace_usb_xhci_xfer_retry(xfer);
1743 assert(xfer->running_retry);
1744 if (xfer->iso_xfer) {
1745 /* retry delayed iso transfer */
1746 mfindex = xhci_mfindex_get(xhci);
1747 xhci_check_iso_kick(xhci, xfer, epctx, mfindex);
1748 if (xfer->running_retry) {
1751 if (xhci_setup_packet(xfer) < 0) {
1754 usb_handle_packet(xfer->packet.ep->dev, &xfer->packet);
1755 assert(xfer->packet.status != USB_RET_NAK);
1756 xhci_complete_packet(xfer);
1758 /* retry nak'ed transfer */
1759 if (xhci_setup_packet(xfer) < 0) {
1762 usb_handle_packet(xfer->packet.ep->dev, &xfer->packet);
1763 if (xfer->packet.status == USB_RET_NAK) {
1766 xhci_complete_packet(xfer);
1768 assert(!xfer->running_retry);
1769 epctx->retry = NULL;
1772 if (epctx->state == EP_HALTED) {
1773 DPRINTF("xhci: ep halted, not running schedule\n");
1777 xhci_set_ep_state(xhci, epctx, EP_RUNNING);
1780 XHCITransfer *xfer = &epctx->transfers[epctx->next_xfer];
1781 if (xfer->running_async || xfer->running_retry) {
1784 length = xhci_ring_chain_length(xhci, &epctx->ring);
1787 } else if (length == 0) {
1790 if (xfer->trbs && xfer->trb_alloced < length) {
1791 xfer->trb_count = 0;
1792 xfer->trb_alloced = 0;
1797 xfer->trbs = g_malloc(sizeof(XHCITRB) * length);
1798 xfer->trb_alloced = length;
1800 xfer->trb_count = length;
1802 for (i = 0; i < length; i++) {
1803 assert(xhci_ring_fetch(xhci, &epctx->ring, &xfer->trbs[i], NULL));
1807 xfer->slotid = slotid;
1810 if (xhci_fire_ctl_transfer(xhci, xfer) >= 0) {
1811 epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE;
1812 ep = xfer->packet.ep;
1814 fprintf(stderr, "xhci: error firing CTL transfer\n");
1817 if (xhci_fire_transfer(xhci, xfer, epctx) >= 0) {
1818 epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE;
1819 ep = xfer->packet.ep;
1821 if (!xfer->iso_xfer) {
1822 fprintf(stderr, "xhci: error firing data transfer\n");
1827 if (epctx->state == EP_HALTED) {
1830 if (xfer->running_retry) {
1831 DPRINTF("xhci: xfer nacked, stopping schedule\n");
1832 epctx->retry = xfer;
1837 usb_device_flush_ep_queue(ep->dev, ep);
1841 static TRBCCode xhci_enable_slot(XHCIState *xhci, unsigned int slotid)
1843 trace_usb_xhci_slot_enable(slotid);
1844 assert(slotid >= 1 && slotid <= xhci->numslots);
1845 xhci->slots[slotid-1].enabled = 1;
1846 xhci->slots[slotid-1].uport = NULL;
1847 memset(xhci->slots[slotid-1].eps, 0, sizeof(XHCIEPContext*)*31);
1852 static TRBCCode xhci_disable_slot(XHCIState *xhci, unsigned int slotid)
1856 trace_usb_xhci_slot_disable(slotid);
1857 assert(slotid >= 1 && slotid <= xhci->numslots);
1859 for (i = 1; i <= 31; i++) {
1860 if (xhci->slots[slotid-1].eps[i-1]) {
1861 xhci_disable_ep(xhci, slotid, i);
1865 xhci->slots[slotid-1].enabled = 0;
1869 static USBPort *xhci_lookup_uport(XHCIState *xhci, uint32_t *slot_ctx)
1875 port = (slot_ctx[1]>>16) & 0xFF;
1876 port = xhci->ports[port-1].uport->index+1;
1877 pos = snprintf(path, sizeof(path), "%d", port);
1878 for (i = 0; i < 5; i++) {
1879 port = (slot_ctx[0] >> 4*i) & 0x0f;
1883 pos += snprintf(path + pos, sizeof(path) - pos, ".%d", port);
1886 QTAILQ_FOREACH(uport, &xhci->bus.used, next) {
1887 if (strcmp(uport->path, path) == 0) {
1894 static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid,
1895 uint64_t pictx, bool bsr)
1900 dma_addr_t ictx, octx, dcbaap;
1902 uint32_t ictl_ctx[2];
1903 uint32_t slot_ctx[4];
1904 uint32_t ep0_ctx[5];
1908 trace_usb_xhci_slot_address(slotid);
1909 assert(slotid >= 1 && slotid <= xhci->numslots);
1911 dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high);
1912 poctx = ldq_le_pci_dma(&xhci->pci_dev, dcbaap + 8*slotid);
1913 ictx = xhci_mask64(pictx);
1914 octx = xhci_mask64(poctx);
1916 DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx);
1917 DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx);
1919 xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx));
1921 if (ictl_ctx[0] != 0x0 || ictl_ctx[1] != 0x3) {
1922 fprintf(stderr, "xhci: invalid input context control %08x %08x\n",
1923 ictl_ctx[0], ictl_ctx[1]);
1924 return CC_TRB_ERROR;
1927 xhci_dma_read_u32s(xhci, ictx+32, slot_ctx, sizeof(slot_ctx));
1928 xhci_dma_read_u32s(xhci, ictx+64, ep0_ctx, sizeof(ep0_ctx));
1930 DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n",
1931 slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]);
1933 DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n",
1934 ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]);
1936 uport = xhci_lookup_uport(xhci, slot_ctx);
1937 if (uport == NULL) {
1938 fprintf(stderr, "xhci: port not found\n");
1939 return CC_TRB_ERROR;
1944 fprintf(stderr, "xhci: port %s not connected\n", uport->path);
1945 return CC_USB_TRANSACTION_ERROR;
1948 for (i = 0; i < xhci->numslots; i++) {
1949 if (i == slotid-1) {
1952 if (xhci->slots[i].uport == uport) {
1953 fprintf(stderr, "xhci: port %s already assigned to slot %d\n",
1955 return CC_TRB_ERROR;
1959 slot = &xhci->slots[slotid-1];
1960 slot->uport = uport;
1964 slot_ctx[3] = SLOT_DEFAULT << SLOT_STATE_SHIFT;
1966 slot->devaddr = xhci->devaddr++;
1967 slot_ctx[3] = (SLOT_ADDRESSED << SLOT_STATE_SHIFT) | slot->devaddr;
1968 DPRINTF("xhci: device address is %d\n", slot->devaddr);
1969 usb_device_reset(dev);
1970 usb_device_handle_control(dev, NULL,
1971 DeviceOutRequest | USB_REQ_SET_ADDRESS,
1972 slot->devaddr, 0, 0, NULL);
1975 res = xhci_enable_ep(xhci, slotid, 1, octx+32, ep0_ctx);
1977 DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",
1978 slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]);
1979 DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n",
1980 ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]);
1982 xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
1983 xhci_dma_write_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx));
1989 static TRBCCode xhci_configure_slot(XHCIState *xhci, unsigned int slotid,
1990 uint64_t pictx, bool dc)
1992 dma_addr_t ictx, octx;
1993 uint32_t ictl_ctx[2];
1994 uint32_t slot_ctx[4];
1995 uint32_t islot_ctx[4];
2000 trace_usb_xhci_slot_configure(slotid);
2001 assert(slotid >= 1 && slotid <= xhci->numslots);
2003 ictx = xhci_mask64(pictx);
2004 octx = xhci->slots[slotid-1].ctx;
2006 DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx);
2007 DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx);
2010 for (i = 2; i <= 31; i++) {
2011 if (xhci->slots[slotid-1].eps[i-1]) {
2012 xhci_disable_ep(xhci, slotid, i);
2016 xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
2017 slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT);
2018 slot_ctx[3] |= SLOT_ADDRESSED << SLOT_STATE_SHIFT;
2019 DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",
2020 slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]);
2021 xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
2026 xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx));
2028 if ((ictl_ctx[0] & 0x3) != 0x0 || (ictl_ctx[1] & 0x3) != 0x1) {
2029 fprintf(stderr, "xhci: invalid input context control %08x %08x\n",
2030 ictl_ctx[0], ictl_ctx[1]);
2031 return CC_TRB_ERROR;
2034 xhci_dma_read_u32s(xhci, ictx+32, islot_ctx, sizeof(islot_ctx));
2035 xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
2037 if (SLOT_STATE(slot_ctx[3]) < SLOT_ADDRESSED) {
2038 fprintf(stderr, "xhci: invalid slot state %08x\n", slot_ctx[3]);
2039 return CC_CONTEXT_STATE_ERROR;
2042 for (i = 2; i <= 31; i++) {
2043 if (ictl_ctx[0] & (1<<i)) {
2044 xhci_disable_ep(xhci, slotid, i);
2046 if (ictl_ctx[1] & (1<<i)) {
2047 xhci_dma_read_u32s(xhci, ictx+32+(32*i), ep_ctx, sizeof(ep_ctx));
2048 DPRINTF("xhci: input ep%d.%d context: %08x %08x %08x %08x %08x\n",
2049 i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2],
2050 ep_ctx[3], ep_ctx[4]);
2051 xhci_disable_ep(xhci, slotid, i);
2052 res = xhci_enable_ep(xhci, slotid, i, octx+(32*i), ep_ctx);
2053 if (res != CC_SUCCESS) {
2056 DPRINTF("xhci: output ep%d.%d context: %08x %08x %08x %08x %08x\n",
2057 i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2],
2058 ep_ctx[3], ep_ctx[4]);
2059 xhci_dma_write_u32s(xhci, octx+(32*i), ep_ctx, sizeof(ep_ctx));
2063 slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT);
2064 slot_ctx[3] |= SLOT_CONFIGURED << SLOT_STATE_SHIFT;
2065 slot_ctx[0] &= ~(SLOT_CONTEXT_ENTRIES_MASK << SLOT_CONTEXT_ENTRIES_SHIFT);
2066 slot_ctx[0] |= islot_ctx[0] & (SLOT_CONTEXT_ENTRIES_MASK <<
2067 SLOT_CONTEXT_ENTRIES_SHIFT);
2068 DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",
2069 slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]);
2071 xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
2077 static TRBCCode xhci_evaluate_slot(XHCIState *xhci, unsigned int slotid,
2080 dma_addr_t ictx, octx;
2081 uint32_t ictl_ctx[2];
2082 uint32_t iep0_ctx[5];
2083 uint32_t ep0_ctx[5];
2084 uint32_t islot_ctx[4];
2085 uint32_t slot_ctx[4];
2087 trace_usb_xhci_slot_evaluate(slotid);
2088 assert(slotid >= 1 && slotid <= xhci->numslots);
2090 ictx = xhci_mask64(pictx);
2091 octx = xhci->slots[slotid-1].ctx;
2093 DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx);
2094 DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx);
2096 xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx));
2098 if (ictl_ctx[0] != 0x0 || ictl_ctx[1] & ~0x3) {
2099 fprintf(stderr, "xhci: invalid input context control %08x %08x\n",
2100 ictl_ctx[0], ictl_ctx[1]);
2101 return CC_TRB_ERROR;
2104 if (ictl_ctx[1] & 0x1) {
2105 xhci_dma_read_u32s(xhci, ictx+32, islot_ctx, sizeof(islot_ctx));
2107 DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n",
2108 islot_ctx[0], islot_ctx[1], islot_ctx[2], islot_ctx[3]);
2110 xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
2112 slot_ctx[1] &= ~0xFFFF; /* max exit latency */
2113 slot_ctx[1] |= islot_ctx[1] & 0xFFFF;
2114 slot_ctx[2] &= ~0xFF00000; /* interrupter target */
2115 slot_ctx[2] |= islot_ctx[2] & 0xFF000000;
2117 DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",
2118 slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]);
2120 xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
2123 if (ictl_ctx[1] & 0x2) {
2124 xhci_dma_read_u32s(xhci, ictx+64, iep0_ctx, sizeof(iep0_ctx));
2126 DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n",
2127 iep0_ctx[0], iep0_ctx[1], iep0_ctx[2],
2128 iep0_ctx[3], iep0_ctx[4]);
2130 xhci_dma_read_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx));
2132 ep0_ctx[1] &= ~0xFFFF0000; /* max packet size*/
2133 ep0_ctx[1] |= iep0_ctx[1] & 0xFFFF0000;
2135 DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n",
2136 ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]);
2138 xhci_dma_write_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx));
2144 static TRBCCode xhci_reset_slot(XHCIState *xhci, unsigned int slotid)
2146 uint32_t slot_ctx[4];
2150 trace_usb_xhci_slot_reset(slotid);
2151 assert(slotid >= 1 && slotid <= xhci->numslots);
2153 octx = xhci->slots[slotid-1].ctx;
2155 DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx);
2157 for (i = 2; i <= 31; i++) {
2158 if (xhci->slots[slotid-1].eps[i-1]) {
2159 xhci_disable_ep(xhci, slotid, i);
2163 xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
2164 slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT);
2165 slot_ctx[3] |= SLOT_DEFAULT << SLOT_STATE_SHIFT;
2166 DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",
2167 slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]);
2168 xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
2173 static unsigned int xhci_get_slot(XHCIState *xhci, XHCIEvent *event, XHCITRB *trb)
2175 unsigned int slotid;
2176 slotid = (trb->control >> TRB_CR_SLOTID_SHIFT) & TRB_CR_SLOTID_MASK;
2177 if (slotid < 1 || slotid > xhci->numslots) {
2178 fprintf(stderr, "xhci: bad slot id %d\n", slotid);
2179 event->ccode = CC_TRB_ERROR;
2181 } else if (!xhci->slots[slotid-1].enabled) {
2182 fprintf(stderr, "xhci: slot id %d not enabled\n", slotid);
2183 event->ccode = CC_SLOT_NOT_ENABLED_ERROR;
2189 static TRBCCode xhci_get_port_bandwidth(XHCIState *xhci, uint64_t pctx)
2192 uint8_t bw_ctx[xhci->numports+1];
2194 DPRINTF("xhci_get_port_bandwidth()\n");
2196 ctx = xhci_mask64(pctx);
2198 DPRINTF("xhci: bandwidth context at "DMA_ADDR_FMT"\n", ctx);
2200 /* TODO: actually implement real values here */
2202 memset(&bw_ctx[1], 80, xhci->numports); /* 80% */
2203 pci_dma_write(&xhci->pci_dev, ctx, bw_ctx, sizeof(bw_ctx));
2208 static uint32_t rotl(uint32_t v, unsigned count)
2211 return (v << count) | (v >> (32 - count));
2215 static uint32_t xhci_nec_challenge(uint32_t hi, uint32_t lo)
2218 val = rotl(lo - 0x49434878, 32 - ((hi>>8) & 0x1F));
2219 val += rotl(lo + 0x49434878, hi & 0x1F);
2220 val -= rotl(hi ^ 0x49434878, (lo >> 16) & 0x1F);
2224 static void xhci_via_challenge(XHCIState *xhci, uint64_t addr)
2228 dma_addr_t paddr = xhci_mask64(addr);
2230 pci_dma_read(&xhci->pci_dev, paddr, &buf, 32);
2232 memcpy(obuf, buf, sizeof(obuf));
2234 if ((buf[0] & 0xff) == 2) {
2235 obuf[0] = 0x49932000 + 0x54dc200 * buf[2] + 0x7429b578 * buf[3];
2236 obuf[0] |= (buf[2] * buf[3]) & 0xff;
2237 obuf[1] = 0x0132bb37 + 0xe89 * buf[2] + 0xf09 * buf[3];
2238 obuf[2] = 0x0066c2e9 + 0x2091 * buf[2] + 0x19bd * buf[3];
2239 obuf[3] = 0xd5281342 + 0x2cc9691 * buf[2] + 0x2367662 * buf[3];
2240 obuf[4] = 0x0123c75c + 0x1595 * buf[2] + 0x19ec * buf[3];
2241 obuf[5] = 0x00f695de + 0x26fd * buf[2] + 0x3e9 * buf[3];
2242 obuf[6] = obuf[2] ^ obuf[3] ^ 0x29472956;
2243 obuf[7] = obuf[2] ^ obuf[3] ^ 0x65866593;
2246 pci_dma_write(&xhci->pci_dev, paddr, &obuf, 32);
2249 static void xhci_process_commands(XHCIState *xhci)
2253 XHCIEvent event = {ER_COMMAND_COMPLETE, CC_SUCCESS};
2255 unsigned int i, slotid = 0;
2257 DPRINTF("xhci_process_commands()\n");
2258 if (!xhci_running(xhci)) {
2259 DPRINTF("xhci_process_commands() called while xHC stopped or paused\n");
2263 xhci->crcr_low |= CRCR_CRR;
2265 while ((type = xhci_ring_fetch(xhci, &xhci->cmd_ring, &trb, &addr))) {
2268 case CR_ENABLE_SLOT:
2269 for (i = 0; i < xhci->numslots; i++) {
2270 if (!xhci->slots[i].enabled) {
2274 if (i >= xhci->numslots) {
2275 fprintf(stderr, "xhci: no device slots available\n");
2276 event.ccode = CC_NO_SLOTS_ERROR;
2279 event.ccode = xhci_enable_slot(xhci, slotid);
2282 case CR_DISABLE_SLOT:
2283 slotid = xhci_get_slot(xhci, &event, &trb);
2285 event.ccode = xhci_disable_slot(xhci, slotid);
2288 case CR_ADDRESS_DEVICE:
2289 slotid = xhci_get_slot(xhci, &event, &trb);
2291 event.ccode = xhci_address_slot(xhci, slotid, trb.parameter,
2292 trb.control & TRB_CR_BSR);
2295 case CR_CONFIGURE_ENDPOINT:
2296 slotid = xhci_get_slot(xhci, &event, &trb);
2298 event.ccode = xhci_configure_slot(xhci, slotid, trb.parameter,
2299 trb.control & TRB_CR_DC);
2302 case CR_EVALUATE_CONTEXT:
2303 slotid = xhci_get_slot(xhci, &event, &trb);
2305 event.ccode = xhci_evaluate_slot(xhci, slotid, trb.parameter);
2308 case CR_STOP_ENDPOINT:
2309 slotid = xhci_get_slot(xhci, &event, &trb);
2311 unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT)
2313 event.ccode = xhci_stop_ep(xhci, slotid, epid);
2316 case CR_RESET_ENDPOINT:
2317 slotid = xhci_get_slot(xhci, &event, &trb);
2319 unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT)
2321 event.ccode = xhci_reset_ep(xhci, slotid, epid);
2324 case CR_SET_TR_DEQUEUE:
2325 slotid = xhci_get_slot(xhci, &event, &trb);
2327 unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT)
2329 event.ccode = xhci_set_ep_dequeue(xhci, slotid, epid,
2333 case CR_RESET_DEVICE:
2334 slotid = xhci_get_slot(xhci, &event, &trb);
2336 event.ccode = xhci_reset_slot(xhci, slotid);
2339 case CR_GET_PORT_BANDWIDTH:
2340 event.ccode = xhci_get_port_bandwidth(xhci, trb.parameter);
2342 case CR_VENDOR_VIA_CHALLENGE_RESPONSE:
2343 xhci_via_challenge(xhci, trb.parameter);
2345 case CR_VENDOR_NEC_FIRMWARE_REVISION:
2346 event.type = 48; /* NEC reply */
2347 event.length = 0x3025;
2349 case CR_VENDOR_NEC_CHALLENGE_RESPONSE:
2351 uint32_t chi = trb.parameter >> 32;
2352 uint32_t clo = trb.parameter;
2353 uint32_t val = xhci_nec_challenge(chi, clo);
2354 event.length = val & 0xFFFF;
2355 event.epid = val >> 16;
2357 event.type = 48; /* NEC reply */
2361 fprintf(stderr, "xhci: unimplemented command %d\n", type);
2362 event.ccode = CC_TRB_ERROR;
2365 event.slotid = slotid;
2366 xhci_event(xhci, &event, 0);
2370 static bool xhci_port_have_device(XHCIPort *port)
2372 if (!port->uport->dev || !port->uport->dev->attached) {
2373 return false; /* no device present */
2375 if (!((1 << port->uport->dev->speed) & port->speedmask)) {
2376 return false; /* speed mismatch */
2381 static void xhci_port_notify(XHCIPort *port, uint32_t bits)
2383 XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS,
2384 port->portnr << 24 };
2386 if ((port->portsc & bits) == bits) {
2389 port->portsc |= bits;
2390 if (!xhci_running(port->xhci)) {
2393 xhci_event(port->xhci, &ev, 0);
2396 static void xhci_port_update(XHCIPort *port, int is_detach)
2398 uint32_t pls = PLS_RX_DETECT;
2400 port->portsc = PORTSC_PP;
2401 if (!is_detach && xhci_port_have_device(port)) {
2402 port->portsc |= PORTSC_CCS;
2403 switch (port->uport->dev->speed) {
2405 port->portsc |= PORTSC_SPEED_LOW;
2408 case USB_SPEED_FULL:
2409 port->portsc |= PORTSC_SPEED_FULL;
2412 case USB_SPEED_HIGH:
2413 port->portsc |= PORTSC_SPEED_HIGH;
2416 case USB_SPEED_SUPER:
2417 port->portsc |= PORTSC_SPEED_SUPER;
2418 port->portsc |= PORTSC_PED;
2423 set_field(&port->portsc, pls, PORTSC_PLS);
2424 trace_usb_xhci_port_link(port->portnr, pls);
2425 xhci_port_notify(port, PORTSC_CSC);
2428 static void xhci_port_reset(XHCIPort *port)
2430 trace_usb_xhci_port_reset(port->portnr);
2432 if (!xhci_port_have_device(port)) {
2436 usb_device_reset(port->uport->dev);
2438 switch (port->uport->dev->speed) {
2440 case USB_SPEED_FULL:
2441 case USB_SPEED_HIGH:
2442 set_field(&port->portsc, PLS_U0, PORTSC_PLS);
2443 trace_usb_xhci_port_link(port->portnr, PLS_U0);
2444 port->portsc |= PORTSC_PED;
2448 port->portsc &= ~PORTSC_PR;
2449 xhci_port_notify(port, PORTSC_PRC);
2452 static void xhci_reset(DeviceState *dev)
2454 XHCIState *xhci = DO_UPCAST(XHCIState, pci_dev.qdev, dev);
2457 trace_usb_xhci_reset();
2458 if (!(xhci->usbsts & USBSTS_HCH)) {
2459 fprintf(stderr, "xhci: reset while running!\n");
2463 xhci->usbsts = USBSTS_HCH;
2466 xhci->crcr_high = 0;
2467 xhci->dcbaap_low = 0;
2468 xhci->dcbaap_high = 0;
2472 for (i = 0; i < xhci->numslots; i++) {
2473 xhci_disable_slot(xhci, i+1);
2476 for (i = 0; i < xhci->numports; i++) {
2477 xhci_port_update(xhci->ports + i, 0);
2480 for (i = 0; i < xhci->numintrs; i++) {
2481 xhci->intr[i].iman = 0;
2482 xhci->intr[i].imod = 0;
2483 xhci->intr[i].erstsz = 0;
2484 xhci->intr[i].erstba_low = 0;
2485 xhci->intr[i].erstba_high = 0;
2486 xhci->intr[i].erdp_low = 0;
2487 xhci->intr[i].erdp_high = 0;
2488 xhci->intr[i].msix_used = 0;
2490 xhci->intr[i].er_ep_idx = 0;
2491 xhci->intr[i].er_pcs = 1;
2492 xhci->intr[i].er_full = 0;
2493 xhci->intr[i].ev_buffer_put = 0;
2494 xhci->intr[i].ev_buffer_get = 0;
2497 xhci->mfindex_start = qemu_get_clock_ns(vm_clock);
2498 xhci_mfwrap_update(xhci);
2501 static uint64_t xhci_cap_read(void *ptr, hwaddr reg, unsigned size)
2503 XHCIState *xhci = ptr;
2507 case 0x00: /* HCIVERSION, CAPLENGTH */
2508 ret = 0x01000000 | LEN_CAP;
2510 case 0x04: /* HCSPARAMS 1 */
2511 ret = ((xhci->numports_2+xhci->numports_3)<<24)
2512 | (xhci->numintrs<<8) | xhci->numslots;
2514 case 0x08: /* HCSPARAMS 2 */
2517 case 0x0c: /* HCSPARAMS 3 */
2520 case 0x10: /* HCCPARAMS */
2521 if (sizeof(dma_addr_t) == 4) {
2527 case 0x14: /* DBOFF */
2530 case 0x18: /* RTSOFF */
2534 /* extended capabilities */
2535 case 0x20: /* Supported Protocol:00 */
2536 ret = 0x02000402; /* USB 2.0 */
2538 case 0x24: /* Supported Protocol:04 */
2539 ret = 0x20425355; /* "USB " */
2541 case 0x28: /* Supported Protocol:08 */
2542 ret = 0x00000001 | (xhci->numports_2<<8);
2544 case 0x2c: /* Supported Protocol:0c */
2545 ret = 0x00000000; /* reserved */
2547 case 0x30: /* Supported Protocol:00 */
2548 ret = 0x03000002; /* USB 3.0 */
2550 case 0x34: /* Supported Protocol:04 */
2551 ret = 0x20425355; /* "USB " */
2553 case 0x38: /* Supported Protocol:08 */
2554 ret = 0x00000000 | (xhci->numports_2+1) | (xhci->numports_3<<8);
2556 case 0x3c: /* Supported Protocol:0c */
2557 ret = 0x00000000; /* reserved */
2560 fprintf(stderr, "xhci_cap_read: reg %d unimplemented\n", (int)reg);
2564 trace_usb_xhci_cap_read(reg, ret);
2568 static uint64_t xhci_port_read(void *ptr, hwaddr reg, unsigned size)
2570 XHCIPort *port = ptr;
2574 case 0x00: /* PORTSC */
2577 case 0x04: /* PORTPMSC */
2578 case 0x08: /* PORTLI */
2581 case 0x0c: /* reserved */
2583 fprintf(stderr, "xhci_port_read (port %d): reg 0x%x unimplemented\n",
2584 port->portnr, (uint32_t)reg);
2588 trace_usb_xhci_port_read(port->portnr, reg, ret);
2592 static void xhci_port_write(void *ptr, hwaddr reg,
2593 uint64_t val, unsigned size)
2595 XHCIPort *port = ptr;
2598 trace_usb_xhci_port_write(port->portnr, reg, val);
2601 case 0x00: /* PORTSC */
2602 portsc = port->portsc;
2603 /* write-1-to-clear bits*/
2604 portsc &= ~(val & (PORTSC_CSC|PORTSC_PEC|PORTSC_WRC|PORTSC_OCC|
2605 PORTSC_PRC|PORTSC_PLC|PORTSC_CEC));
2606 if (val & PORTSC_LWS) {
2607 /* overwrite PLS only when LWS=1 */
2608 uint32_t pls = get_field(val, PORTSC_PLS);
2609 set_field(&portsc, pls, PORTSC_PLS);
2610 trace_usb_xhci_port_link(port->portnr, pls);
2612 /* read/write bits */
2613 portsc &= ~(PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE);
2614 portsc |= (val & (PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE));
2615 port->portsc = portsc;
2616 /* write-1-to-start bits */
2617 if (val & PORTSC_PR) {
2618 xhci_port_reset(port);
2621 case 0x04: /* PORTPMSC */
2622 case 0x08: /* PORTLI */
2624 fprintf(stderr, "xhci_port_write (port %d): reg 0x%x unimplemented\n",
2625 port->portnr, (uint32_t)reg);
2629 static uint64_t xhci_oper_read(void *ptr, hwaddr reg, unsigned size)
2631 XHCIState *xhci = ptr;
2635 case 0x00: /* USBCMD */
2638 case 0x04: /* USBSTS */
2641 case 0x08: /* PAGESIZE */
2644 case 0x14: /* DNCTRL */
2647 case 0x18: /* CRCR low */
2648 ret = xhci->crcr_low & ~0xe;
2650 case 0x1c: /* CRCR high */
2651 ret = xhci->crcr_high;
2653 case 0x30: /* DCBAAP low */
2654 ret = xhci->dcbaap_low;
2656 case 0x34: /* DCBAAP high */
2657 ret = xhci->dcbaap_high;
2659 case 0x38: /* CONFIG */
2663 fprintf(stderr, "xhci_oper_read: reg 0x%x unimplemented\n", (int)reg);
2667 trace_usb_xhci_oper_read(reg, ret);
2671 static void xhci_oper_write(void *ptr, hwaddr reg,
2672 uint64_t val, unsigned size)
2674 XHCIState *xhci = ptr;
2676 trace_usb_xhci_oper_write(reg, val);
2679 case 0x00: /* USBCMD */
2680 if ((val & USBCMD_RS) && !(xhci->usbcmd & USBCMD_RS)) {
2682 } else if (!(val & USBCMD_RS) && (xhci->usbcmd & USBCMD_RS)) {
2685 xhci->usbcmd = val & 0xc0f;
2686 xhci_mfwrap_update(xhci);
2687 if (val & USBCMD_HCRST) {
2688 xhci_reset(&xhci->pci_dev.qdev);
2690 xhci_intx_update(xhci);
2693 case 0x04: /* USBSTS */
2694 /* these bits are write-1-to-clear */
2695 xhci->usbsts &= ~(val & (USBSTS_HSE|USBSTS_EINT|USBSTS_PCD|USBSTS_SRE));
2696 xhci_intx_update(xhci);
2699 case 0x14: /* DNCTRL */
2700 xhci->dnctrl = val & 0xffff;
2702 case 0x18: /* CRCR low */
2703 xhci->crcr_low = (val & 0xffffffcf) | (xhci->crcr_low & CRCR_CRR);
2705 case 0x1c: /* CRCR high */
2706 xhci->crcr_high = val;
2707 if (xhci->crcr_low & (CRCR_CA|CRCR_CS) && (xhci->crcr_low & CRCR_CRR)) {
2708 XHCIEvent event = {ER_COMMAND_COMPLETE, CC_COMMAND_RING_STOPPED};
2709 xhci->crcr_low &= ~CRCR_CRR;
2710 xhci_event(xhci, &event, 0);
2711 DPRINTF("xhci: command ring stopped (CRCR=%08x)\n", xhci->crcr_low);
2713 dma_addr_t base = xhci_addr64(xhci->crcr_low & ~0x3f, val);
2714 xhci_ring_init(xhci, &xhci->cmd_ring, base);
2716 xhci->crcr_low &= ~(CRCR_CA | CRCR_CS);
2718 case 0x30: /* DCBAAP low */
2719 xhci->dcbaap_low = val & 0xffffffc0;
2721 case 0x34: /* DCBAAP high */
2722 xhci->dcbaap_high = val;
2724 case 0x38: /* CONFIG */
2725 xhci->config = val & 0xff;
2728 fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n", (int)reg);
2732 static uint64_t xhci_runtime_read(void *ptr, hwaddr reg,
2735 XHCIState *xhci = ptr;
2740 case 0x00: /* MFINDEX */
2741 ret = xhci_mfindex_get(xhci) & 0x3fff;
2744 fprintf(stderr, "xhci_runtime_read: reg 0x%x unimplemented\n",
2749 int v = (reg - 0x20) / 0x20;
2750 XHCIInterrupter *intr = &xhci->intr[v];
2751 switch (reg & 0x1f) {
2752 case 0x00: /* IMAN */
2755 case 0x04: /* IMOD */
2758 case 0x08: /* ERSTSZ */
2761 case 0x10: /* ERSTBA low */
2762 ret = intr->erstba_low;
2764 case 0x14: /* ERSTBA high */
2765 ret = intr->erstba_high;
2767 case 0x18: /* ERDP low */
2768 ret = intr->erdp_low;
2770 case 0x1c: /* ERDP high */
2771 ret = intr->erdp_high;
2776 trace_usb_xhci_runtime_read(reg, ret);
2780 static void xhci_runtime_write(void *ptr, hwaddr reg,
2781 uint64_t val, unsigned size)
2783 XHCIState *xhci = ptr;
2784 int v = (reg - 0x20) / 0x20;
2785 XHCIInterrupter *intr = &xhci->intr[v];
2786 trace_usb_xhci_runtime_write(reg, val);
2789 fprintf(stderr, "%s: reg 0x%x unimplemented\n", __func__, (int)reg);
2793 switch (reg & 0x1f) {
2794 case 0x00: /* IMAN */
2795 if (val & IMAN_IP) {
2796 intr->iman &= ~IMAN_IP;
2798 intr->iman &= ~IMAN_IE;
2799 intr->iman |= val & IMAN_IE;
2801 xhci_intx_update(xhci);
2803 xhci_msix_update(xhci, v);
2805 case 0x04: /* IMOD */
2808 case 0x08: /* ERSTSZ */
2809 intr->erstsz = val & 0xffff;
2811 case 0x10: /* ERSTBA low */
2812 /* XXX NEC driver bug: it doesn't align this to 64 bytes
2813 intr->erstba_low = val & 0xffffffc0; */
2814 intr->erstba_low = val & 0xfffffff0;
2816 case 0x14: /* ERSTBA high */
2817 intr->erstba_high = val;
2818 xhci_er_reset(xhci, v);
2820 case 0x18: /* ERDP low */
2821 if (val & ERDP_EHB) {
2822 intr->erdp_low &= ~ERDP_EHB;
2824 intr->erdp_low = (val & ~ERDP_EHB) | (intr->erdp_low & ERDP_EHB);
2826 case 0x1c: /* ERDP high */
2827 intr->erdp_high = val;
2828 xhci_events_update(xhci, v);
2831 fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n",
2836 static uint64_t xhci_doorbell_read(void *ptr, hwaddr reg,
2839 /* doorbells always read as 0 */
2840 trace_usb_xhci_doorbell_read(reg, 0);
2844 static void xhci_doorbell_write(void *ptr, hwaddr reg,
2845 uint64_t val, unsigned size)
2847 XHCIState *xhci = ptr;
2849 trace_usb_xhci_doorbell_write(reg, val);
2851 if (!xhci_running(xhci)) {
2852 fprintf(stderr, "xhci: wrote doorbell while xHC stopped or paused\n");
2860 xhci_process_commands(xhci);
2862 fprintf(stderr, "xhci: bad doorbell 0 write: 0x%x\n",
2866 if (reg > xhci->numslots) {
2867 fprintf(stderr, "xhci: bad doorbell %d\n", (int)reg);
2868 } else if (val > 31) {
2869 fprintf(stderr, "xhci: bad doorbell %d write: 0x%x\n",
2870 (int)reg, (uint32_t)val);
2872 xhci_kick_ep(xhci, reg, val);
2877 static const MemoryRegionOps xhci_cap_ops = {
2878 .read = xhci_cap_read,
2879 .valid.min_access_size = 1,
2880 .valid.max_access_size = 4,
2881 .impl.min_access_size = 4,
2882 .impl.max_access_size = 4,
2883 .endianness = DEVICE_LITTLE_ENDIAN,
2886 static const MemoryRegionOps xhci_oper_ops = {
2887 .read = xhci_oper_read,
2888 .write = xhci_oper_write,
2889 .valid.min_access_size = 4,
2890 .valid.max_access_size = 4,
2891 .endianness = DEVICE_LITTLE_ENDIAN,
2894 static const MemoryRegionOps xhci_port_ops = {
2895 .read = xhci_port_read,
2896 .write = xhci_port_write,
2897 .valid.min_access_size = 4,
2898 .valid.max_access_size = 4,
2899 .endianness = DEVICE_LITTLE_ENDIAN,
2902 static const MemoryRegionOps xhci_runtime_ops = {
2903 .read = xhci_runtime_read,
2904 .write = xhci_runtime_write,
2905 .valid.min_access_size = 4,
2906 .valid.max_access_size = 4,
2907 .endianness = DEVICE_LITTLE_ENDIAN,
2910 static const MemoryRegionOps xhci_doorbell_ops = {
2911 .read = xhci_doorbell_read,
2912 .write = xhci_doorbell_write,
2913 .valid.min_access_size = 4,
2914 .valid.max_access_size = 4,
2915 .endianness = DEVICE_LITTLE_ENDIAN,
2918 static void xhci_attach(USBPort *usbport)
2920 XHCIState *xhci = usbport->opaque;
2921 XHCIPort *port = xhci_lookup_port(xhci, usbport);
2923 xhci_port_update(port, 0);
2926 static void xhci_detach(USBPort *usbport)
2928 XHCIState *xhci = usbport->opaque;
2929 XHCIPort *port = xhci_lookup_port(xhci, usbport);
2931 xhci_port_update(port, 1);
2934 static void xhci_wakeup(USBPort *usbport)
2936 XHCIState *xhci = usbport->opaque;
2937 XHCIPort *port = xhci_lookup_port(xhci, usbport);
2939 if (get_field(port->portsc, PORTSC_PLS) != PLS_U3) {
2942 set_field(&port->portsc, PLS_RESUME, PORTSC_PLS);
2943 xhci_port_notify(port, PORTSC_PLC);
2946 static void xhci_complete(USBPort *port, USBPacket *packet)
2948 XHCITransfer *xfer = container_of(packet, XHCITransfer, packet);
2950 if (packet->status == USB_RET_REMOVE_FROM_QUEUE) {
2951 xhci_ep_nuke_one_xfer(xfer);
2954 xhci_complete_packet(xfer);
2955 xhci_kick_ep(xfer->xhci, xfer->slotid, xfer->epid);
2958 static void xhci_child_detach(USBPort *uport, USBDevice *child)
2960 USBBus *bus = usb_bus_from_device(child);
2961 XHCIState *xhci = container_of(bus, XHCIState, bus);
2964 for (i = 0; i < xhci->numslots; i++) {
2965 if (xhci->slots[i].uport == uport) {
2966 xhci->slots[i].uport = NULL;
2971 static USBPortOps xhci_uport_ops = {
2972 .attach = xhci_attach,
2973 .detach = xhci_detach,
2974 .wakeup = xhci_wakeup,
2975 .complete = xhci_complete,
2976 .child_detach = xhci_child_detach,
2979 static int xhci_find_slotid(XHCIState *xhci, USBDevice *dev)
2984 for (slotid = 1; slotid <= xhci->numslots; slotid++) {
2985 slot = &xhci->slots[slotid-1];
2986 if (slot->devaddr == dev->addr) {
2993 static int xhci_find_epid(USBEndpoint *ep)
2998 if (ep->pid == USB_TOKEN_IN) {
2999 return ep->nr * 2 + 1;
3005 static void xhci_wakeup_endpoint(USBBus *bus, USBEndpoint *ep)
3007 XHCIState *xhci = container_of(bus, XHCIState, bus);
3010 DPRINTF("%s\n", __func__);
3011 slotid = xhci_find_slotid(xhci, ep->dev);
3012 if (slotid == 0 || !xhci->slots[slotid-1].enabled) {
3013 DPRINTF("%s: oops, no slot for dev %d\n", __func__, ep->dev->addr);
3016 xhci_kick_ep(xhci, slotid, xhci_find_epid(ep));
3019 static USBBusOps xhci_bus_ops = {
3020 .wakeup_endpoint = xhci_wakeup_endpoint,
3023 static void usb_xhci_init(XHCIState *xhci, DeviceState *dev)
3026 int i, usbports, speedmask;
3028 xhci->usbsts = USBSTS_HCH;
3030 if (xhci->numports_2 > MAXPORTS_2) {
3031 xhci->numports_2 = MAXPORTS_2;
3033 if (xhci->numports_3 > MAXPORTS_3) {
3034 xhci->numports_3 = MAXPORTS_3;
3036 usbports = MAX(xhci->numports_2, xhci->numports_3);
3037 xhci->numports = xhci->numports_2 + xhci->numports_3;
3039 usb_bus_new(&xhci->bus, &xhci_bus_ops, &xhci->pci_dev.qdev);
3041 for (i = 0; i < usbports; i++) {
3043 if (i < xhci->numports_2) {
3044 port = &xhci->ports[i];
3045 port->portnr = i + 1;
3046 port->uport = &xhci->uports[i];
3048 USB_SPEED_MASK_LOW |
3049 USB_SPEED_MASK_FULL |
3050 USB_SPEED_MASK_HIGH;
3051 snprintf(port->name, sizeof(port->name), "usb2 port #%d", i+1);
3052 speedmask |= port->speedmask;
3054 if (i < xhci->numports_3) {
3055 port = &xhci->ports[i + xhci->numports_2];
3056 port->portnr = i + 1 + xhci->numports_2;
3057 port->uport = &xhci->uports[i];
3058 port->speedmask = USB_SPEED_MASK_SUPER;
3059 snprintf(port->name, sizeof(port->name), "usb3 port #%d", i+1);
3060 speedmask |= port->speedmask;
3062 usb_register_port(&xhci->bus, &xhci->uports[i], xhci, i,
3063 &xhci_uport_ops, speedmask);
3067 static int usb_xhci_initfn(struct PCIDevice *dev)
3071 XHCIState *xhci = DO_UPCAST(XHCIState, pci_dev, dev);
3073 xhci->pci_dev.config[PCI_CLASS_PROG] = 0x30; /* xHCI */
3074 xhci->pci_dev.config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin 1 */
3075 xhci->pci_dev.config[PCI_CACHE_LINE_SIZE] = 0x10;
3076 xhci->pci_dev.config[0x60] = 0x30; /* release number */
3078 usb_xhci_init(xhci, &dev->qdev);
3080 if (xhci->numintrs > MAXINTRS) {
3081 xhci->numintrs = MAXINTRS;
3083 if (xhci->numintrs < 1) {
3086 if (xhci->numslots > MAXSLOTS) {
3087 xhci->numslots = MAXSLOTS;
3089 if (xhci->numslots < 1) {
3093 xhci->mfwrap_timer = qemu_new_timer_ns(vm_clock, xhci_mfwrap_timer, xhci);
3095 xhci->irq = xhci->pci_dev.irq[0];
3097 memory_region_init(&xhci->mem, "xhci", LEN_REGS);
3098 memory_region_init_io(&xhci->mem_cap, &xhci_cap_ops, xhci,
3099 "capabilities", LEN_CAP);
3100 memory_region_init_io(&xhci->mem_oper, &xhci_oper_ops, xhci,
3101 "operational", 0x400);
3102 memory_region_init_io(&xhci->mem_runtime, &xhci_runtime_ops, xhci,
3103 "runtime", LEN_RUNTIME);
3104 memory_region_init_io(&xhci->mem_doorbell, &xhci_doorbell_ops, xhci,
3105 "doorbell", LEN_DOORBELL);
3107 memory_region_add_subregion(&xhci->mem, 0, &xhci->mem_cap);
3108 memory_region_add_subregion(&xhci->mem, OFF_OPER, &xhci->mem_oper);
3109 memory_region_add_subregion(&xhci->mem, OFF_RUNTIME, &xhci->mem_runtime);
3110 memory_region_add_subregion(&xhci->mem, OFF_DOORBELL, &xhci->mem_doorbell);
3112 for (i = 0; i < xhci->numports; i++) {
3113 XHCIPort *port = &xhci->ports[i];
3114 uint32_t offset = OFF_OPER + 0x400 + 0x10 * i;
3116 memory_region_init_io(&port->mem, &xhci_port_ops, port,
3118 memory_region_add_subregion(&xhci->mem, offset, &port->mem);
3121 pci_register_bar(&xhci->pci_dev, 0,
3122 PCI_BASE_ADDRESS_SPACE_MEMORY|PCI_BASE_ADDRESS_MEM_TYPE_64,
3125 ret = pcie_cap_init(&xhci->pci_dev, 0xa0, PCI_EXP_TYPE_ENDPOINT, 0);
3128 if (xhci->flags & (1 << XHCI_FLAG_USE_MSI)) {
3129 msi_init(&xhci->pci_dev, 0x70, xhci->numintrs, true, false);
3131 if (xhci->flags & (1 << XHCI_FLAG_USE_MSI_X)) {
3132 msix_init(&xhci->pci_dev, xhci->numintrs,
3133 &xhci->mem, 0, OFF_MSIX_TABLE,
3134 &xhci->mem, 0, OFF_MSIX_PBA,
3141 static const VMStateDescription vmstate_xhci = {
3146 static Property xhci_properties[] = {
3147 DEFINE_PROP_BIT("msi", XHCIState, flags, XHCI_FLAG_USE_MSI, true),
3148 DEFINE_PROP_BIT("msix", XHCIState, flags, XHCI_FLAG_USE_MSI_X, true),
3149 DEFINE_PROP_UINT32("intrs", XHCIState, numintrs, MAXINTRS),
3150 DEFINE_PROP_UINT32("slots", XHCIState, numslots, MAXSLOTS),
3151 DEFINE_PROP_UINT32("p2", XHCIState, numports_2, 4),
3152 DEFINE_PROP_UINT32("p3", XHCIState, numports_3, 4),
3153 DEFINE_PROP_END_OF_LIST(),
3156 static void xhci_class_init(ObjectClass *klass, void *data)
3158 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
3159 DeviceClass *dc = DEVICE_CLASS(klass);
3161 dc->vmsd = &vmstate_xhci;
3162 dc->props = xhci_properties;
3163 dc->reset = xhci_reset;
3164 k->init = usb_xhci_initfn;
3165 k->vendor_id = PCI_VENDOR_ID_NEC;
3166 k->device_id = PCI_DEVICE_ID_NEC_UPD720200;
3167 k->class_id = PCI_CLASS_SERIAL_USB;
3172 static TypeInfo xhci_info = {
3173 .name = "nec-usb-xhci",
3174 .parent = TYPE_PCI_DEVICE,
3175 .instance_size = sizeof(XHCIState),
3176 .class_init = xhci_class_init,
3179 static void xhci_register_types(void)
3181 type_register_static(&xhci_info);
3184 type_init(xhci_register_types)