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"
24 #include "hw/pci/pci.h"
25 #include "hw/pci/msi.h"
26 #include "hw/pci/msix.h"
33 #define DPRINTF(...) fprintf(stderr, __VA_ARGS__)
35 #define DPRINTF(...) do {} while (0)
37 #define FIXME(_msg) do { fprintf(stderr, "FIXME %s:%d %s\n", \
38 __func__, __LINE__, _msg); 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;
304 typedef struct XHCIStreamContext XHCIStreamContext;
305 typedef struct XHCIEPContext XHCIEPContext;
307 #define get_field(data, field) \
308 (((data) >> field##_SHIFT) & field##_MASK)
310 #define set_field(data, newval, field) do { \
311 uint32_t val = *data; \
312 val &= ~(field##_MASK << field##_SHIFT); \
313 val |= ((newval) & field##_MASK) << field##_SHIFT; \
317 typedef enum EPType {
328 typedef struct XHCIRing {
333 typedef struct XHCIPort {
343 typedef struct XHCITransfer {
351 unsigned int iso_pkts;
354 unsigned int streamid;
359 unsigned int trb_count;
360 unsigned int trb_alloced;
366 unsigned int pktsize;
367 unsigned int cur_pkt;
369 uint64_t mfindex_kick;
372 struct XHCIStreamContext {
378 struct XHCIEPContext {
384 unsigned int next_xfer;
385 unsigned int comp_xfer;
386 XHCITransfer transfers[TD_QUEUE];
390 unsigned int max_psize;
394 unsigned int max_pstreams;
396 unsigned int nr_pstreams;
397 XHCIStreamContext *pstreams;
399 /* iso xfer scheduling */
400 unsigned int interval;
401 int64_t mfindex_last;
402 QEMUTimer *kick_timer;
405 typedef struct XHCISlot {
410 XHCIEPContext * eps[31];
413 typedef struct XHCIEvent {
423 typedef struct XHCIInterrupter {
428 uint32_t erstba_high;
432 bool msix_used, er_pcs, er_full;
436 unsigned int er_ep_idx;
438 XHCIEvent ev_buffer[EV_QUEUE];
439 unsigned int ev_buffer_put;
440 unsigned int ev_buffer_get;
446 PCIDevice parent_obj;
451 MemoryRegion mem_cap;
452 MemoryRegion mem_oper;
453 MemoryRegion mem_runtime;
454 MemoryRegion mem_doorbell;
463 /* Operational Registers */
470 uint32_t dcbaap_high;
473 USBPort uports[MAX(MAXPORTS_2, MAXPORTS_3)];
474 XHCIPort ports[MAXPORTS];
475 XHCISlot slots[MAXSLOTS];
478 /* Runtime Registers */
479 int64_t mfindex_start;
480 QEMUTimer *mfwrap_timer;
481 XHCIInterrupter intr[MAXINTRS];
486 #define TYPE_XHCI "nec-usb-xhci"
489 OBJECT_CHECK(XHCIState, (obj), TYPE_XHCI)
491 typedef struct XHCIEvRingSeg {
499 XHCI_FLAG_USE_MSI = 1,
503 static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid,
504 unsigned int epid, unsigned int streamid);
505 static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid,
507 static void xhci_xfer_report(XHCITransfer *xfer);
508 static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v);
509 static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v);
510 static USBEndpoint *xhci_epid_to_usbep(XHCIState *xhci,
511 unsigned int slotid, unsigned int epid);
513 static const char *TRBType_names[] = {
514 [TRB_RESERVED] = "TRB_RESERVED",
515 [TR_NORMAL] = "TR_NORMAL",
516 [TR_SETUP] = "TR_SETUP",
517 [TR_DATA] = "TR_DATA",
518 [TR_STATUS] = "TR_STATUS",
519 [TR_ISOCH] = "TR_ISOCH",
520 [TR_LINK] = "TR_LINK",
521 [TR_EVDATA] = "TR_EVDATA",
522 [TR_NOOP] = "TR_NOOP",
523 [CR_ENABLE_SLOT] = "CR_ENABLE_SLOT",
524 [CR_DISABLE_SLOT] = "CR_DISABLE_SLOT",
525 [CR_ADDRESS_DEVICE] = "CR_ADDRESS_DEVICE",
526 [CR_CONFIGURE_ENDPOINT] = "CR_CONFIGURE_ENDPOINT",
527 [CR_EVALUATE_CONTEXT] = "CR_EVALUATE_CONTEXT",
528 [CR_RESET_ENDPOINT] = "CR_RESET_ENDPOINT",
529 [CR_STOP_ENDPOINT] = "CR_STOP_ENDPOINT",
530 [CR_SET_TR_DEQUEUE] = "CR_SET_TR_DEQUEUE",
531 [CR_RESET_DEVICE] = "CR_RESET_DEVICE",
532 [CR_FORCE_EVENT] = "CR_FORCE_EVENT",
533 [CR_NEGOTIATE_BW] = "CR_NEGOTIATE_BW",
534 [CR_SET_LATENCY_TOLERANCE] = "CR_SET_LATENCY_TOLERANCE",
535 [CR_GET_PORT_BANDWIDTH] = "CR_GET_PORT_BANDWIDTH",
536 [CR_FORCE_HEADER] = "CR_FORCE_HEADER",
537 [CR_NOOP] = "CR_NOOP",
538 [ER_TRANSFER] = "ER_TRANSFER",
539 [ER_COMMAND_COMPLETE] = "ER_COMMAND_COMPLETE",
540 [ER_PORT_STATUS_CHANGE] = "ER_PORT_STATUS_CHANGE",
541 [ER_BANDWIDTH_REQUEST] = "ER_BANDWIDTH_REQUEST",
542 [ER_DOORBELL] = "ER_DOORBELL",
543 [ER_HOST_CONTROLLER] = "ER_HOST_CONTROLLER",
544 [ER_DEVICE_NOTIFICATION] = "ER_DEVICE_NOTIFICATION",
545 [ER_MFINDEX_WRAP] = "ER_MFINDEX_WRAP",
546 [CR_VENDOR_VIA_CHALLENGE_RESPONSE] = "CR_VENDOR_VIA_CHALLENGE_RESPONSE",
547 [CR_VENDOR_NEC_FIRMWARE_REVISION] = "CR_VENDOR_NEC_FIRMWARE_REVISION",
548 [CR_VENDOR_NEC_CHALLENGE_RESPONSE] = "CR_VENDOR_NEC_CHALLENGE_RESPONSE",
551 static const char *TRBCCode_names[] = {
552 [CC_INVALID] = "CC_INVALID",
553 [CC_SUCCESS] = "CC_SUCCESS",
554 [CC_DATA_BUFFER_ERROR] = "CC_DATA_BUFFER_ERROR",
555 [CC_BABBLE_DETECTED] = "CC_BABBLE_DETECTED",
556 [CC_USB_TRANSACTION_ERROR] = "CC_USB_TRANSACTION_ERROR",
557 [CC_TRB_ERROR] = "CC_TRB_ERROR",
558 [CC_STALL_ERROR] = "CC_STALL_ERROR",
559 [CC_RESOURCE_ERROR] = "CC_RESOURCE_ERROR",
560 [CC_BANDWIDTH_ERROR] = "CC_BANDWIDTH_ERROR",
561 [CC_NO_SLOTS_ERROR] = "CC_NO_SLOTS_ERROR",
562 [CC_INVALID_STREAM_TYPE_ERROR] = "CC_INVALID_STREAM_TYPE_ERROR",
563 [CC_SLOT_NOT_ENABLED_ERROR] = "CC_SLOT_NOT_ENABLED_ERROR",
564 [CC_EP_NOT_ENABLED_ERROR] = "CC_EP_NOT_ENABLED_ERROR",
565 [CC_SHORT_PACKET] = "CC_SHORT_PACKET",
566 [CC_RING_UNDERRUN] = "CC_RING_UNDERRUN",
567 [CC_RING_OVERRUN] = "CC_RING_OVERRUN",
568 [CC_VF_ER_FULL] = "CC_VF_ER_FULL",
569 [CC_PARAMETER_ERROR] = "CC_PARAMETER_ERROR",
570 [CC_BANDWIDTH_OVERRUN] = "CC_BANDWIDTH_OVERRUN",
571 [CC_CONTEXT_STATE_ERROR] = "CC_CONTEXT_STATE_ERROR",
572 [CC_NO_PING_RESPONSE_ERROR] = "CC_NO_PING_RESPONSE_ERROR",
573 [CC_EVENT_RING_FULL_ERROR] = "CC_EVENT_RING_FULL_ERROR",
574 [CC_INCOMPATIBLE_DEVICE_ERROR] = "CC_INCOMPATIBLE_DEVICE_ERROR",
575 [CC_MISSED_SERVICE_ERROR] = "CC_MISSED_SERVICE_ERROR",
576 [CC_COMMAND_RING_STOPPED] = "CC_COMMAND_RING_STOPPED",
577 [CC_COMMAND_ABORTED] = "CC_COMMAND_ABORTED",
578 [CC_STOPPED] = "CC_STOPPED",
579 [CC_STOPPED_LENGTH_INVALID] = "CC_STOPPED_LENGTH_INVALID",
580 [CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR]
581 = "CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR",
582 [CC_ISOCH_BUFFER_OVERRUN] = "CC_ISOCH_BUFFER_OVERRUN",
583 [CC_EVENT_LOST_ERROR] = "CC_EVENT_LOST_ERROR",
584 [CC_UNDEFINED_ERROR] = "CC_UNDEFINED_ERROR",
585 [CC_INVALID_STREAM_ID_ERROR] = "CC_INVALID_STREAM_ID_ERROR",
586 [CC_SECONDARY_BANDWIDTH_ERROR] = "CC_SECONDARY_BANDWIDTH_ERROR",
587 [CC_SPLIT_TRANSACTION_ERROR] = "CC_SPLIT_TRANSACTION_ERROR",
590 static const char *ep_state_names[] = {
591 [EP_DISABLED] = "disabled",
592 [EP_RUNNING] = "running",
593 [EP_HALTED] = "halted",
594 [EP_STOPPED] = "stopped",
595 [EP_ERROR] = "error",
598 static const char *lookup_name(uint32_t index, const char **list, uint32_t llen)
600 if (index >= llen || list[index] == NULL) {
606 static const char *trb_name(XHCITRB *trb)
608 return lookup_name(TRB_TYPE(*trb), TRBType_names,
609 ARRAY_SIZE(TRBType_names));
612 static const char *event_name(XHCIEvent *event)
614 return lookup_name(event->ccode, TRBCCode_names,
615 ARRAY_SIZE(TRBCCode_names));
618 static const char *ep_state_name(uint32_t state)
620 return lookup_name(state, ep_state_names,
621 ARRAY_SIZE(ep_state_names));
624 static uint64_t xhci_mfindex_get(XHCIState *xhci)
626 int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
627 return (now - xhci->mfindex_start) / 125000;
630 static void xhci_mfwrap_update(XHCIState *xhci)
632 const uint32_t bits = USBCMD_RS | USBCMD_EWE;
633 uint32_t mfindex, left;
636 if ((xhci->usbcmd & bits) == bits) {
637 now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
638 mfindex = ((now - xhci->mfindex_start) / 125000) & 0x3fff;
639 left = 0x4000 - mfindex;
640 timer_mod(xhci->mfwrap_timer, now + left * 125000);
642 timer_del(xhci->mfwrap_timer);
646 static void xhci_mfwrap_timer(void *opaque)
648 XHCIState *xhci = opaque;
649 XHCIEvent wrap = { ER_MFINDEX_WRAP, CC_SUCCESS };
651 xhci_event(xhci, &wrap, 0);
652 xhci_mfwrap_update(xhci);
655 static inline dma_addr_t xhci_addr64(uint32_t low, uint32_t high)
657 if (sizeof(dma_addr_t) == 4) {
660 return low | (((dma_addr_t)high << 16) << 16);
664 static inline dma_addr_t xhci_mask64(uint64_t addr)
666 if (sizeof(dma_addr_t) == 4) {
667 return addr & 0xffffffff;
673 static inline void xhci_dma_read_u32s(XHCIState *xhci, dma_addr_t addr,
674 uint32_t *buf, size_t len)
678 assert((len % sizeof(uint32_t)) == 0);
680 pci_dma_read(PCI_DEVICE(xhci), addr, buf, len);
682 for (i = 0; i < (len / sizeof(uint32_t)); i++) {
683 buf[i] = le32_to_cpu(buf[i]);
687 static inline void xhci_dma_write_u32s(XHCIState *xhci, dma_addr_t addr,
688 uint32_t *buf, size_t len)
691 uint32_t tmp[len / sizeof(uint32_t)];
693 assert((len % sizeof(uint32_t)) == 0);
695 for (i = 0; i < (len / sizeof(uint32_t)); i++) {
696 tmp[i] = cpu_to_le32(buf[i]);
698 pci_dma_write(PCI_DEVICE(xhci), addr, tmp, len);
701 static XHCIPort *xhci_lookup_port(XHCIState *xhci, struct USBPort *uport)
708 switch (uport->dev->speed) {
712 index = uport->index;
714 case USB_SPEED_SUPER:
715 index = uport->index + xhci->numports_2;
720 return &xhci->ports[index];
723 static void xhci_intx_update(XHCIState *xhci)
725 PCIDevice *pci_dev = PCI_DEVICE(xhci);
728 if (msix_enabled(pci_dev) ||
729 msi_enabled(pci_dev)) {
733 if (xhci->intr[0].iman & IMAN_IP &&
734 xhci->intr[0].iman & IMAN_IE &&
735 xhci->usbcmd & USBCMD_INTE) {
739 trace_usb_xhci_irq_intx(level);
740 pci_set_irq(pci_dev, level);
743 static void xhci_msix_update(XHCIState *xhci, int v)
745 PCIDevice *pci_dev = PCI_DEVICE(xhci);
748 if (!msix_enabled(pci_dev)) {
752 enabled = xhci->intr[v].iman & IMAN_IE;
753 if (enabled == xhci->intr[v].msix_used) {
758 trace_usb_xhci_irq_msix_use(v);
759 msix_vector_use(pci_dev, v);
760 xhci->intr[v].msix_used = true;
762 trace_usb_xhci_irq_msix_unuse(v);
763 msix_vector_unuse(pci_dev, v);
764 xhci->intr[v].msix_used = false;
768 static void xhci_intr_raise(XHCIState *xhci, int v)
770 PCIDevice *pci_dev = PCI_DEVICE(xhci);
772 xhci->intr[v].erdp_low |= ERDP_EHB;
773 xhci->intr[v].iman |= IMAN_IP;
774 xhci->usbsts |= USBSTS_EINT;
776 if (!(xhci->intr[v].iman & IMAN_IE)) {
780 if (!(xhci->usbcmd & USBCMD_INTE)) {
784 if (msix_enabled(pci_dev)) {
785 trace_usb_xhci_irq_msix(v);
786 msix_notify(pci_dev, v);
790 if (msi_enabled(pci_dev)) {
791 trace_usb_xhci_irq_msi(v);
792 msi_notify(pci_dev, v);
797 trace_usb_xhci_irq_intx(1);
798 pci_irq_assert(pci_dev);
802 static inline int xhci_running(XHCIState *xhci)
804 return !(xhci->usbsts & USBSTS_HCH) && !xhci->intr[0].er_full;
807 static void xhci_die(XHCIState *xhci)
809 xhci->usbsts |= USBSTS_HCE;
810 fprintf(stderr, "xhci: asserted controller error\n");
813 static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v)
815 PCIDevice *pci_dev = PCI_DEVICE(xhci);
816 XHCIInterrupter *intr = &xhci->intr[v];
820 ev_trb.parameter = cpu_to_le64(event->ptr);
821 ev_trb.status = cpu_to_le32(event->length | (event->ccode << 24));
822 ev_trb.control = (event->slotid << 24) | (event->epid << 16) |
823 event->flags | (event->type << TRB_TYPE_SHIFT);
825 ev_trb.control |= TRB_C;
827 ev_trb.control = cpu_to_le32(ev_trb.control);
829 trace_usb_xhci_queue_event(v, intr->er_ep_idx, trb_name(&ev_trb),
830 event_name(event), ev_trb.parameter,
831 ev_trb.status, ev_trb.control);
833 addr = intr->er_start + TRB_SIZE*intr->er_ep_idx;
834 pci_dma_write(pci_dev, addr, &ev_trb, TRB_SIZE);
837 if (intr->er_ep_idx >= intr->er_size) {
839 intr->er_pcs = !intr->er_pcs;
843 static void xhci_events_update(XHCIState *xhci, int v)
845 XHCIInterrupter *intr = &xhci->intr[v];
850 if (xhci->usbsts & USBSTS_HCH) {
854 erdp = xhci_addr64(intr->erdp_low, intr->erdp_high);
855 if (erdp < intr->er_start ||
856 erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) {
857 fprintf(stderr, "xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp);
858 fprintf(stderr, "xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n",
859 v, intr->er_start, intr->er_size);
863 dp_idx = (erdp - intr->er_start) / TRB_SIZE;
864 assert(dp_idx < intr->er_size);
866 /* NEC didn't read section 4.9.4 of the spec (v1.0 p139 top Note) and thus
867 * deadlocks when the ER is full. Hack it by holding off events until
868 * the driver decides to free at least half of the ring */
870 int er_free = dp_idx - intr->er_ep_idx;
872 er_free += intr->er_size;
874 if (er_free < (intr->er_size/2)) {
875 DPRINTF("xhci_events_update(): event ring still "
876 "more than half full (hack)\n");
881 while (intr->ev_buffer_put != intr->ev_buffer_get) {
882 assert(intr->er_full);
883 if (((intr->er_ep_idx+1) % intr->er_size) == dp_idx) {
884 DPRINTF("xhci_events_update(): event ring full again\n");
886 XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR};
887 xhci_write_event(xhci, &full, v);
892 XHCIEvent *event = &intr->ev_buffer[intr->ev_buffer_get];
893 xhci_write_event(xhci, event, v);
894 intr->ev_buffer_get++;
896 if (intr->ev_buffer_get == EV_QUEUE) {
897 intr->ev_buffer_get = 0;
902 xhci_intr_raise(xhci, v);
905 if (intr->er_full && intr->ev_buffer_put == intr->ev_buffer_get) {
906 DPRINTF("xhci_events_update(): event ring no longer full\n");
911 static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v)
913 XHCIInterrupter *intr;
917 if (v >= xhci->numintrs) {
918 DPRINTF("intr nr out of range (%d >= %d)\n", v, xhci->numintrs);
921 intr = &xhci->intr[v];
924 DPRINTF("xhci_event(): ER full, queueing\n");
925 if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) {
926 fprintf(stderr, "xhci: event queue full, dropping event!\n");
929 intr->ev_buffer[intr->ev_buffer_put++] = *event;
930 if (intr->ev_buffer_put == EV_QUEUE) {
931 intr->ev_buffer_put = 0;
936 erdp = xhci_addr64(intr->erdp_low, intr->erdp_high);
937 if (erdp < intr->er_start ||
938 erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) {
939 fprintf(stderr, "xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp);
940 fprintf(stderr, "xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n",
941 v, intr->er_start, intr->er_size);
946 dp_idx = (erdp - intr->er_start) / TRB_SIZE;
947 assert(dp_idx < intr->er_size);
949 if ((intr->er_ep_idx+1) % intr->er_size == dp_idx) {
950 DPRINTF("xhci_event(): ER full, queueing\n");
952 XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR};
953 xhci_write_event(xhci, &full);
956 if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) {
957 fprintf(stderr, "xhci: event queue full, dropping event!\n");
960 intr->ev_buffer[intr->ev_buffer_put++] = *event;
961 if (intr->ev_buffer_put == EV_QUEUE) {
962 intr->ev_buffer_put = 0;
965 xhci_write_event(xhci, event, v);
968 xhci_intr_raise(xhci, v);
971 static void xhci_ring_init(XHCIState *xhci, XHCIRing *ring,
974 ring->dequeue = base;
978 static TRBType xhci_ring_fetch(XHCIState *xhci, XHCIRing *ring, XHCITRB *trb,
981 PCIDevice *pci_dev = PCI_DEVICE(xhci);
985 pci_dma_read(pci_dev, ring->dequeue, trb, TRB_SIZE);
986 trb->addr = ring->dequeue;
987 trb->ccs = ring->ccs;
988 le64_to_cpus(&trb->parameter);
989 le32_to_cpus(&trb->status);
990 le32_to_cpus(&trb->control);
992 trace_usb_xhci_fetch_trb(ring->dequeue, trb_name(trb),
993 trb->parameter, trb->status, trb->control);
995 if ((trb->control & TRB_C) != ring->ccs) {
999 type = TRB_TYPE(*trb);
1001 if (type != TR_LINK) {
1003 *addr = ring->dequeue;
1005 ring->dequeue += TRB_SIZE;
1008 ring->dequeue = xhci_mask64(trb->parameter);
1009 if (trb->control & TRB_LK_TC) {
1010 ring->ccs = !ring->ccs;
1016 static int xhci_ring_chain_length(XHCIState *xhci, const XHCIRing *ring)
1018 PCIDevice *pci_dev = PCI_DEVICE(xhci);
1021 dma_addr_t dequeue = ring->dequeue;
1022 bool ccs = ring->ccs;
1023 /* hack to bundle together the two/three TDs that make a setup transfer */
1024 bool control_td_set = 0;
1028 pci_dma_read(pci_dev, dequeue, &trb, TRB_SIZE);
1029 le64_to_cpus(&trb.parameter);
1030 le32_to_cpus(&trb.status);
1031 le32_to_cpus(&trb.control);
1033 if ((trb.control & TRB_C) != ccs) {
1037 type = TRB_TYPE(trb);
1039 if (type == TR_LINK) {
1040 dequeue = xhci_mask64(trb.parameter);
1041 if (trb.control & TRB_LK_TC) {
1048 dequeue += TRB_SIZE;
1050 if (type == TR_SETUP) {
1052 } else if (type == TR_STATUS) {
1056 if (!control_td_set && !(trb.control & TRB_TR_CH)) {
1062 static void xhci_er_reset(XHCIState *xhci, int v)
1064 XHCIInterrupter *intr = &xhci->intr[v];
1067 if (intr->erstsz == 0) {
1073 /* cache the (sole) event ring segment location */
1074 if (intr->erstsz != 1) {
1075 fprintf(stderr, "xhci: invalid value for ERSTSZ: %d\n", intr->erstsz);
1079 dma_addr_t erstba = xhci_addr64(intr->erstba_low, intr->erstba_high);
1080 pci_dma_read(PCI_DEVICE(xhci), erstba, &seg, sizeof(seg));
1081 le32_to_cpus(&seg.addr_low);
1082 le32_to_cpus(&seg.addr_high);
1083 le32_to_cpus(&seg.size);
1084 if (seg.size < 16 || seg.size > 4096) {
1085 fprintf(stderr, "xhci: invalid value for segment size: %d\n", seg.size);
1089 intr->er_start = xhci_addr64(seg.addr_low, seg.addr_high);
1090 intr->er_size = seg.size;
1092 intr->er_ep_idx = 0;
1096 DPRINTF("xhci: event ring[%d]:" DMA_ADDR_FMT " [%d]\n",
1097 v, intr->er_start, intr->er_size);
1100 static void xhci_run(XHCIState *xhci)
1102 trace_usb_xhci_run();
1103 xhci->usbsts &= ~USBSTS_HCH;
1104 xhci->mfindex_start = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
1107 static void xhci_stop(XHCIState *xhci)
1109 trace_usb_xhci_stop();
1110 xhci->usbsts |= USBSTS_HCH;
1111 xhci->crcr_low &= ~CRCR_CRR;
1114 static XHCIStreamContext *xhci_alloc_stream_contexts(unsigned count,
1117 XHCIStreamContext *stctx;
1120 stctx = g_new0(XHCIStreamContext, count);
1121 for (i = 0; i < count; i++) {
1122 stctx[i].pctx = base + i * 16;
1128 static void xhci_reset_streams(XHCIEPContext *epctx)
1132 for (i = 0; i < epctx->nr_pstreams; i++) {
1133 epctx->pstreams[i].sct = -1;
1137 static void xhci_alloc_streams(XHCIEPContext *epctx, dma_addr_t base)
1139 assert(epctx->pstreams == NULL);
1140 epctx->nr_pstreams = 2 << (epctx->max_pstreams + 1);
1141 epctx->pstreams = xhci_alloc_stream_contexts(epctx->nr_pstreams, base);
1144 static void xhci_free_streams(XHCIEPContext *epctx)
1146 assert(epctx->pstreams != NULL);
1148 g_free(epctx->pstreams);
1149 epctx->pstreams = NULL;
1150 epctx->nr_pstreams = 0;
1153 static int xhci_epmask_to_eps_with_streams(XHCIState *xhci,
1154 unsigned int slotid,
1156 XHCIEPContext **epctxs,
1160 XHCIEPContext *epctx;
1164 assert(slotid >= 1 && slotid <= xhci->numslots);
1166 slot = &xhci->slots[slotid - 1];
1168 for (i = 2, j = 0; i <= 31; i++) {
1169 if (!(epmask & (1 << i))) {
1173 epctx = slot->eps[i - 1];
1174 ep = xhci_epid_to_usbep(xhci, slotid, i);
1175 if (!epctx || !epctx->nr_pstreams || !ep) {
1187 static void xhci_free_device_streams(XHCIState *xhci, unsigned int slotid,
1190 USBEndpoint *eps[30];
1193 nr_eps = xhci_epmask_to_eps_with_streams(xhci, slotid, epmask, NULL, eps);
1195 usb_device_free_streams(eps[0]->dev, eps, nr_eps);
1199 static TRBCCode xhci_alloc_device_streams(XHCIState *xhci, unsigned int slotid,
1202 XHCIEPContext *epctxs[30];
1203 USBEndpoint *eps[30];
1204 int i, r, nr_eps, req_nr_streams, dev_max_streams;
1206 nr_eps = xhci_epmask_to_eps_with_streams(xhci, slotid, epmask, epctxs,
1212 req_nr_streams = epctxs[0]->nr_pstreams;
1213 dev_max_streams = eps[0]->max_streams;
1215 for (i = 1; i < nr_eps; i++) {
1217 * HdG: I don't expect these to ever trigger, but if they do we need
1218 * to come up with another solution, ie group identical endpoints
1219 * together and make an usb_device_alloc_streams call per group.
1221 if (epctxs[i]->nr_pstreams != req_nr_streams) {
1222 FIXME("guest streams config not identical for all eps");
1223 return CC_RESOURCE_ERROR;
1225 if (eps[i]->max_streams != dev_max_streams) {
1226 FIXME("device streams config not identical for all eps");
1227 return CC_RESOURCE_ERROR;
1232 * max-streams in both the device descriptor and in the controller is a
1233 * power of 2. But stream id 0 is reserved, so if a device can do up to 4
1234 * streams the guest will ask for 5 rounded up to the next power of 2 which
1235 * becomes 8. For emulated devices usb_device_alloc_streams is a nop.
1237 * For redirected devices however this is an issue, as there we must ask
1238 * the real xhci controller to alloc streams, and the host driver for the
1239 * real xhci controller will likely disallow allocating more streams then
1240 * the device can handle.
1242 * So we limit the requested nr_streams to the maximum number the device
1245 if (req_nr_streams > dev_max_streams) {
1246 req_nr_streams = dev_max_streams;
1249 r = usb_device_alloc_streams(eps[0]->dev, eps, nr_eps, req_nr_streams);
1251 fprintf(stderr, "xhci: alloc streams failed\n");
1252 return CC_RESOURCE_ERROR;
1258 static XHCIStreamContext *xhci_find_stream(XHCIEPContext *epctx,
1259 unsigned int streamid,
1262 XHCIStreamContext *sctx;
1264 uint32_t ctx[2], sct;
1266 assert(streamid != 0);
1268 if (streamid >= epctx->nr_pstreams) {
1269 *cc_error = CC_INVALID_STREAM_ID_ERROR;
1272 sctx = epctx->pstreams + streamid;
1274 FIXME("secondary streams not implemented yet");
1277 if (sctx->sct == -1) {
1278 xhci_dma_read_u32s(epctx->xhci, sctx->pctx, ctx, sizeof(ctx));
1279 sct = (ctx[0] >> 1) & 0x07;
1280 if (epctx->lsa && sct != 1) {
1281 *cc_error = CC_INVALID_STREAM_TYPE_ERROR;
1285 base = xhci_addr64(ctx[0] & ~0xf, ctx[1]);
1286 xhci_ring_init(epctx->xhci, &sctx->ring, base);
1291 static void xhci_set_ep_state(XHCIState *xhci, XHCIEPContext *epctx,
1292 XHCIStreamContext *sctx, uint32_t state)
1294 XHCIRing *ring = NULL;
1298 xhci_dma_read_u32s(xhci, epctx->pctx, ctx, sizeof(ctx));
1299 ctx[0] &= ~EP_STATE_MASK;
1302 /* update ring dequeue ptr */
1303 if (epctx->nr_pstreams) {
1306 xhci_dma_read_u32s(xhci, sctx->pctx, ctx2, sizeof(ctx2));
1308 ctx2[0] |= sctx->ring.dequeue | sctx->ring.ccs;
1309 ctx2[1] = (sctx->ring.dequeue >> 16) >> 16;
1310 xhci_dma_write_u32s(xhci, sctx->pctx, ctx2, sizeof(ctx2));
1313 ring = &epctx->ring;
1316 ctx[2] = ring->dequeue | ring->ccs;
1317 ctx[3] = (ring->dequeue >> 16) >> 16;
1319 DPRINTF("xhci: set epctx: " DMA_ADDR_FMT " state=%d dequeue=%08x%08x\n",
1320 epctx->pctx, state, ctx[3], ctx[2]);
1323 xhci_dma_write_u32s(xhci, epctx->pctx, ctx, sizeof(ctx));
1324 if (epctx->state != state) {
1325 trace_usb_xhci_ep_state(epctx->slotid, epctx->epid,
1326 ep_state_name(epctx->state),
1327 ep_state_name(state));
1329 epctx->state = state;
1332 static void xhci_ep_kick_timer(void *opaque)
1334 XHCIEPContext *epctx = opaque;
1335 xhci_kick_ep(epctx->xhci, epctx->slotid, epctx->epid, 0);
1338 static XHCIEPContext *xhci_alloc_epctx(XHCIState *xhci,
1339 unsigned int slotid,
1342 XHCIEPContext *epctx;
1345 epctx = g_new0(XHCIEPContext, 1);
1347 epctx->slotid = slotid;
1350 for (i = 0; i < ARRAY_SIZE(epctx->transfers); i++) {
1351 epctx->transfers[i].xhci = xhci;
1352 epctx->transfers[i].slotid = slotid;
1353 epctx->transfers[i].epid = epid;
1354 usb_packet_init(&epctx->transfers[i].packet);
1356 epctx->kick_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, xhci_ep_kick_timer, epctx);
1361 static void xhci_init_epctx(XHCIEPContext *epctx,
1362 dma_addr_t pctx, uint32_t *ctx)
1366 dequeue = xhci_addr64(ctx[2] & ~0xf, ctx[3]);
1368 epctx->type = (ctx[1] >> EP_TYPE_SHIFT) & EP_TYPE_MASK;
1369 DPRINTF("xhci: endpoint %d.%d type is %d\n", epid/2, epid%2, epctx->type);
1371 epctx->max_psize = ctx[1]>>16;
1372 epctx->max_psize *= 1+((ctx[1]>>8)&0xff);
1373 epctx->max_pstreams = (ctx[0] >> 10) & 0xf;
1374 epctx->lsa = (ctx[0] >> 15) & 1;
1375 DPRINTF("xhci: endpoint %d.%d max transaction (burst) size is %d\n",
1376 epid/2, epid%2, epctx->max_psize);
1377 if (epctx->max_pstreams) {
1378 xhci_alloc_streams(epctx, dequeue);
1380 xhci_ring_init(epctx->xhci, &epctx->ring, dequeue);
1381 epctx->ring.ccs = ctx[2] & 1;
1384 epctx->interval = 1 << ((ctx[0] >> 16) & 0xff);
1387 static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid,
1388 unsigned int epid, dma_addr_t pctx,
1392 XHCIEPContext *epctx;
1394 trace_usb_xhci_ep_enable(slotid, epid);
1395 assert(slotid >= 1 && slotid <= xhci->numslots);
1396 assert(epid >= 1 && epid <= 31);
1398 slot = &xhci->slots[slotid-1];
1399 if (slot->eps[epid-1]) {
1400 xhci_disable_ep(xhci, slotid, epid);
1403 epctx = xhci_alloc_epctx(xhci, slotid, epid);
1404 slot->eps[epid-1] = epctx;
1405 xhci_init_epctx(epctx, pctx, ctx);
1407 epctx->mfindex_last = 0;
1409 epctx->state = EP_RUNNING;
1410 ctx[0] &= ~EP_STATE_MASK;
1411 ctx[0] |= EP_RUNNING;
1416 static int xhci_ep_nuke_one_xfer(XHCITransfer *t, TRBCCode report)
1420 if (report && (t->running_async || t->running_retry)) {
1422 xhci_xfer_report(t);
1425 if (t->running_async) {
1426 usb_cancel_packet(&t->packet);
1427 t->running_async = 0;
1430 if (t->running_retry) {
1431 XHCIEPContext *epctx = t->xhci->slots[t->slotid-1].eps[t->epid-1];
1433 epctx->retry = NULL;
1434 timer_del(epctx->kick_timer);
1436 t->running_retry = 0;
1444 t->trb_count = t->trb_alloced = 0;
1449 static int xhci_ep_nuke_xfers(XHCIState *xhci, unsigned int slotid,
1450 unsigned int epid, TRBCCode report)
1453 XHCIEPContext *epctx;
1454 int i, xferi, killed = 0;
1455 USBEndpoint *ep = NULL;
1456 assert(slotid >= 1 && slotid <= xhci->numslots);
1457 assert(epid >= 1 && epid <= 31);
1459 DPRINTF("xhci_ep_nuke_xfers(%d, %d)\n", slotid, epid);
1461 slot = &xhci->slots[slotid-1];
1463 if (!slot->eps[epid-1]) {
1467 epctx = slot->eps[epid-1];
1469 xferi = epctx->next_xfer;
1470 for (i = 0; i < TD_QUEUE; i++) {
1471 killed += xhci_ep_nuke_one_xfer(&epctx->transfers[xferi], report);
1473 report = 0; /* Only report once */
1475 epctx->transfers[xferi].packet.ep = NULL;
1476 xferi = (xferi + 1) % TD_QUEUE;
1479 ep = xhci_epid_to_usbep(xhci, slotid, epid);
1481 usb_device_ep_stopped(ep->dev, ep);
1486 static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid,
1490 XHCIEPContext *epctx;
1493 trace_usb_xhci_ep_disable(slotid, epid);
1494 assert(slotid >= 1 && slotid <= xhci->numslots);
1495 assert(epid >= 1 && epid <= 31);
1497 slot = &xhci->slots[slotid-1];
1499 if (!slot->eps[epid-1]) {
1500 DPRINTF("xhci: slot %d ep %d already disabled\n", slotid, epid);
1504 xhci_ep_nuke_xfers(xhci, slotid, epid, 0);
1506 epctx = slot->eps[epid-1];
1508 if (epctx->nr_pstreams) {
1509 xhci_free_streams(epctx);
1512 for (i = 0; i < ARRAY_SIZE(epctx->transfers); i++) {
1513 usb_packet_cleanup(&epctx->transfers[i].packet);
1516 xhci_set_ep_state(xhci, epctx, NULL, EP_DISABLED);
1518 timer_free(epctx->kick_timer);
1520 slot->eps[epid-1] = NULL;
1525 static TRBCCode xhci_stop_ep(XHCIState *xhci, unsigned int slotid,
1529 XHCIEPContext *epctx;
1531 trace_usb_xhci_ep_stop(slotid, epid);
1532 assert(slotid >= 1 && slotid <= xhci->numslots);
1534 if (epid < 1 || epid > 31) {
1535 fprintf(stderr, "xhci: bad ep %d\n", epid);
1536 return CC_TRB_ERROR;
1539 slot = &xhci->slots[slotid-1];
1541 if (!slot->eps[epid-1]) {
1542 DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid);
1543 return CC_EP_NOT_ENABLED_ERROR;
1546 if (xhci_ep_nuke_xfers(xhci, slotid, epid, CC_STOPPED) > 0) {
1547 fprintf(stderr, "xhci: FIXME: endpoint stopped w/ xfers running, "
1548 "data might be lost\n");
1551 epctx = slot->eps[epid-1];
1553 xhci_set_ep_state(xhci, epctx, NULL, EP_STOPPED);
1555 if (epctx->nr_pstreams) {
1556 xhci_reset_streams(epctx);
1562 static TRBCCode xhci_reset_ep(XHCIState *xhci, unsigned int slotid,
1566 XHCIEPContext *epctx;
1568 trace_usb_xhci_ep_reset(slotid, epid);
1569 assert(slotid >= 1 && slotid <= xhci->numslots);
1571 if (epid < 1 || epid > 31) {
1572 fprintf(stderr, "xhci: bad ep %d\n", epid);
1573 return CC_TRB_ERROR;
1576 slot = &xhci->slots[slotid-1];
1578 if (!slot->eps[epid-1]) {
1579 DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid);
1580 return CC_EP_NOT_ENABLED_ERROR;
1583 epctx = slot->eps[epid-1];
1585 if (epctx->state != EP_HALTED) {
1586 fprintf(stderr, "xhci: reset EP while EP %d not halted (%d)\n",
1587 epid, epctx->state);
1588 return CC_CONTEXT_STATE_ERROR;
1591 if (xhci_ep_nuke_xfers(xhci, slotid, epid, 0) > 0) {
1592 fprintf(stderr, "xhci: FIXME: endpoint reset w/ xfers running, "
1593 "data might be lost\n");
1596 uint8_t ep = epid>>1;
1602 if (!xhci->slots[slotid-1].uport ||
1603 !xhci->slots[slotid-1].uport->dev ||
1604 !xhci->slots[slotid-1].uport->dev->attached) {
1605 return CC_USB_TRANSACTION_ERROR;
1608 xhci_set_ep_state(xhci, epctx, NULL, EP_STOPPED);
1610 if (epctx->nr_pstreams) {
1611 xhci_reset_streams(epctx);
1617 static TRBCCode xhci_set_ep_dequeue(XHCIState *xhci, unsigned int slotid,
1618 unsigned int epid, unsigned int streamid,
1622 XHCIEPContext *epctx;
1623 XHCIStreamContext *sctx;
1626 assert(slotid >= 1 && slotid <= xhci->numslots);
1628 if (epid < 1 || epid > 31) {
1629 fprintf(stderr, "xhci: bad ep %d\n", epid);
1630 return CC_TRB_ERROR;
1633 trace_usb_xhci_ep_set_dequeue(slotid, epid, streamid, pdequeue);
1634 dequeue = xhci_mask64(pdequeue);
1636 slot = &xhci->slots[slotid-1];
1638 if (!slot->eps[epid-1]) {
1639 DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid);
1640 return CC_EP_NOT_ENABLED_ERROR;
1643 epctx = slot->eps[epid-1];
1645 if (epctx->state != EP_STOPPED) {
1646 fprintf(stderr, "xhci: set EP dequeue pointer while EP %d not stopped\n", epid);
1647 return CC_CONTEXT_STATE_ERROR;
1650 if (epctx->nr_pstreams) {
1652 sctx = xhci_find_stream(epctx, streamid, &err);
1656 xhci_ring_init(xhci, &sctx->ring, dequeue & ~0xf);
1657 sctx->ring.ccs = dequeue & 1;
1660 xhci_ring_init(xhci, &epctx->ring, dequeue & ~0xF);
1661 epctx->ring.ccs = dequeue & 1;
1664 xhci_set_ep_state(xhci, epctx, sctx, EP_STOPPED);
1669 static int xhci_xfer_create_sgl(XHCITransfer *xfer, int in_xfer)
1671 XHCIState *xhci = xfer->xhci;
1674 xfer->int_req = false;
1675 pci_dma_sglist_init(&xfer->sgl, PCI_DEVICE(xhci), xfer->trb_count);
1676 for (i = 0; i < xfer->trb_count; i++) {
1677 XHCITRB *trb = &xfer->trbs[i];
1679 unsigned int chunk = 0;
1681 if (trb->control & TRB_TR_IOC) {
1682 xfer->int_req = true;
1685 switch (TRB_TYPE(*trb)) {
1687 if ((!(trb->control & TRB_TR_DIR)) != (!in_xfer)) {
1688 fprintf(stderr, "xhci: data direction mismatch for TR_DATA\n");
1694 addr = xhci_mask64(trb->parameter);
1695 chunk = trb->status & 0x1ffff;
1696 if (trb->control & TRB_TR_IDT) {
1697 if (chunk > 8 || in_xfer) {
1698 fprintf(stderr, "xhci: invalid immediate data TRB\n");
1701 qemu_sglist_add(&xfer->sgl, trb->addr, chunk);
1703 qemu_sglist_add(&xfer->sgl, addr, chunk);
1712 qemu_sglist_destroy(&xfer->sgl);
1717 static void xhci_xfer_unmap(XHCITransfer *xfer)
1719 usb_packet_unmap(&xfer->packet, &xfer->sgl);
1720 qemu_sglist_destroy(&xfer->sgl);
1723 static void xhci_xfer_report(XHCITransfer *xfer)
1729 XHCIEvent event = {ER_TRANSFER, CC_SUCCESS};
1730 XHCIState *xhci = xfer->xhci;
1733 left = xfer->packet.actual_length;
1735 for (i = 0; i < xfer->trb_count; i++) {
1736 XHCITRB *trb = &xfer->trbs[i];
1737 unsigned int chunk = 0;
1739 switch (TRB_TYPE(*trb)) {
1743 chunk = trb->status & 0x1ffff;
1746 if (xfer->status == CC_SUCCESS) {
1759 if (!reported && ((trb->control & TRB_TR_IOC) ||
1760 (shortpkt && (trb->control & TRB_TR_ISP)) ||
1761 (xfer->status != CC_SUCCESS && left == 0))) {
1762 event.slotid = xfer->slotid;
1763 event.epid = xfer->epid;
1764 event.length = (trb->status & 0x1ffff) - chunk;
1766 event.ptr = trb->addr;
1767 if (xfer->status == CC_SUCCESS) {
1768 event.ccode = shortpkt ? CC_SHORT_PACKET : CC_SUCCESS;
1770 event.ccode = xfer->status;
1772 if (TRB_TYPE(*trb) == TR_EVDATA) {
1773 event.ptr = trb->parameter;
1774 event.flags |= TRB_EV_ED;
1775 event.length = edtla & 0xffffff;
1776 DPRINTF("xhci_xfer_data: EDTLA=%d\n", event.length);
1779 xhci_event(xhci, &event, TRB_INTR(*trb));
1781 if (xfer->status != CC_SUCCESS) {
1788 static void xhci_stall_ep(XHCITransfer *xfer)
1790 XHCIState *xhci = xfer->xhci;
1791 XHCISlot *slot = &xhci->slots[xfer->slotid-1];
1792 XHCIEPContext *epctx = slot->eps[xfer->epid-1];
1794 XHCIStreamContext *sctx;
1796 if (epctx->nr_pstreams) {
1797 sctx = xhci_find_stream(epctx, xfer->streamid, &err);
1801 sctx->ring.dequeue = xfer->trbs[0].addr;
1802 sctx->ring.ccs = xfer->trbs[0].ccs;
1803 xhci_set_ep_state(xhci, epctx, sctx, EP_HALTED);
1805 epctx->ring.dequeue = xfer->trbs[0].addr;
1806 epctx->ring.ccs = xfer->trbs[0].ccs;
1807 xhci_set_ep_state(xhci, epctx, NULL, EP_HALTED);
1811 static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer,
1812 XHCIEPContext *epctx);
1814 static int xhci_setup_packet(XHCITransfer *xfer)
1816 XHCIState *xhci = xfer->xhci;
1820 dir = xfer->in_xfer ? USB_TOKEN_IN : USB_TOKEN_OUT;
1822 if (xfer->packet.ep) {
1823 ep = xfer->packet.ep;
1825 ep = xhci_epid_to_usbep(xhci, xfer->slotid, xfer->epid);
1827 fprintf(stderr, "xhci: slot %d has no device\n",
1833 xhci_xfer_create_sgl(xfer, dir == USB_TOKEN_IN); /* Also sets int_req */
1834 usb_packet_setup(&xfer->packet, dir, ep, xfer->streamid,
1835 xfer->trbs[0].addr, false, xfer->int_req);
1836 usb_packet_map(&xfer->packet, &xfer->sgl);
1837 DPRINTF("xhci: setup packet pid 0x%x addr %d ep %d\n",
1838 xfer->packet.pid, ep->dev->addr, ep->nr);
1842 static int xhci_complete_packet(XHCITransfer *xfer)
1844 if (xfer->packet.status == USB_RET_ASYNC) {
1845 trace_usb_xhci_xfer_async(xfer);
1846 xfer->running_async = 1;
1847 xfer->running_retry = 0;
1850 } else if (xfer->packet.status == USB_RET_NAK) {
1851 trace_usb_xhci_xfer_nak(xfer);
1852 xfer->running_async = 0;
1853 xfer->running_retry = 1;
1857 xfer->running_async = 0;
1858 xfer->running_retry = 0;
1860 xhci_xfer_unmap(xfer);
1863 if (xfer->packet.status == USB_RET_SUCCESS) {
1864 trace_usb_xhci_xfer_success(xfer, xfer->packet.actual_length);
1865 xfer->status = CC_SUCCESS;
1866 xhci_xfer_report(xfer);
1871 trace_usb_xhci_xfer_error(xfer, xfer->packet.status);
1872 switch (xfer->packet.status) {
1874 case USB_RET_IOERROR:
1875 xfer->status = CC_USB_TRANSACTION_ERROR;
1876 xhci_xfer_report(xfer);
1877 xhci_stall_ep(xfer);
1880 xfer->status = CC_STALL_ERROR;
1881 xhci_xfer_report(xfer);
1882 xhci_stall_ep(xfer);
1884 case USB_RET_BABBLE:
1885 xfer->status = CC_BABBLE_DETECTED;
1886 xhci_xfer_report(xfer);
1887 xhci_stall_ep(xfer);
1890 fprintf(stderr, "%s: FIXME: status = %d\n", __func__,
1891 xfer->packet.status);
1892 FIXME("unhandled USB_RET_*");
1897 static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer)
1899 XHCITRB *trb_setup, *trb_status;
1900 uint8_t bmRequestType;
1902 trb_setup = &xfer->trbs[0];
1903 trb_status = &xfer->trbs[xfer->trb_count-1];
1905 trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid, xfer->streamid);
1907 /* at most one Event Data TRB allowed after STATUS */
1908 if (TRB_TYPE(*trb_status) == TR_EVDATA && xfer->trb_count > 2) {
1912 /* do some sanity checks */
1913 if (TRB_TYPE(*trb_setup) != TR_SETUP) {
1914 fprintf(stderr, "xhci: ep0 first TD not SETUP: %d\n",
1915 TRB_TYPE(*trb_setup));
1918 if (TRB_TYPE(*trb_status) != TR_STATUS) {
1919 fprintf(stderr, "xhci: ep0 last TD not STATUS: %d\n",
1920 TRB_TYPE(*trb_status));
1923 if (!(trb_setup->control & TRB_TR_IDT)) {
1924 fprintf(stderr, "xhci: Setup TRB doesn't have IDT set\n");
1927 if ((trb_setup->status & 0x1ffff) != 8) {
1928 fprintf(stderr, "xhci: Setup TRB has bad length (%d)\n",
1929 (trb_setup->status & 0x1ffff));
1933 bmRequestType = trb_setup->parameter;
1935 xfer->in_xfer = bmRequestType & USB_DIR_IN;
1936 xfer->iso_xfer = false;
1937 xfer->timed_xfer = false;
1939 if (xhci_setup_packet(xfer) < 0) {
1942 xfer->packet.parameter = trb_setup->parameter;
1944 usb_handle_packet(xfer->packet.ep->dev, &xfer->packet);
1946 xhci_complete_packet(xfer);
1947 if (!xfer->running_async && !xfer->running_retry) {
1948 xhci_kick_ep(xhci, xfer->slotid, xfer->epid, 0);
1953 static void xhci_calc_intr_kick(XHCIState *xhci, XHCITransfer *xfer,
1954 XHCIEPContext *epctx, uint64_t mfindex)
1956 uint64_t asap = ((mfindex + epctx->interval - 1) &
1957 ~(epctx->interval-1));
1958 uint64_t kick = epctx->mfindex_last + epctx->interval;
1960 assert(epctx->interval != 0);
1961 xfer->mfindex_kick = MAX(asap, kick);
1964 static void xhci_calc_iso_kick(XHCIState *xhci, XHCITransfer *xfer,
1965 XHCIEPContext *epctx, uint64_t mfindex)
1967 if (xfer->trbs[0].control & TRB_TR_SIA) {
1968 uint64_t asap = ((mfindex + epctx->interval - 1) &
1969 ~(epctx->interval-1));
1970 if (asap >= epctx->mfindex_last &&
1971 asap <= epctx->mfindex_last + epctx->interval * 4) {
1972 xfer->mfindex_kick = epctx->mfindex_last + epctx->interval;
1974 xfer->mfindex_kick = asap;
1977 xfer->mfindex_kick = (xfer->trbs[0].control >> TRB_TR_FRAMEID_SHIFT)
1978 & TRB_TR_FRAMEID_MASK;
1979 xfer->mfindex_kick |= mfindex & ~0x3fff;
1980 if (xfer->mfindex_kick < mfindex) {
1981 xfer->mfindex_kick += 0x4000;
1986 static void xhci_check_intr_iso_kick(XHCIState *xhci, XHCITransfer *xfer,
1987 XHCIEPContext *epctx, uint64_t mfindex)
1989 if (xfer->mfindex_kick > mfindex) {
1990 timer_mod(epctx->kick_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
1991 (xfer->mfindex_kick - mfindex) * 125000);
1992 xfer->running_retry = 1;
1994 epctx->mfindex_last = xfer->mfindex_kick;
1995 timer_del(epctx->kick_timer);
1996 xfer->running_retry = 0;
2001 static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx)
2005 DPRINTF("xhci_submit(slotid=%d,epid=%d)\n", xfer->slotid, xfer->epid);
2007 xfer->in_xfer = epctx->type>>2;
2009 switch(epctx->type) {
2013 xfer->iso_xfer = false;
2014 xfer->timed_xfer = true;
2015 mfindex = xhci_mfindex_get(xhci);
2016 xhci_calc_intr_kick(xhci, xfer, epctx, mfindex);
2017 xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex);
2018 if (xfer->running_retry) {
2025 xfer->iso_xfer = false;
2026 xfer->timed_xfer = false;
2031 xfer->iso_xfer = true;
2032 xfer->timed_xfer = true;
2033 mfindex = xhci_mfindex_get(xhci);
2034 xhci_calc_iso_kick(xhci, xfer, epctx, mfindex);
2035 xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex);
2036 if (xfer->running_retry) {
2041 fprintf(stderr, "xhci: unknown or unhandled EP "
2042 "(type %d, in %d, ep %02x)\n",
2043 epctx->type, xfer->in_xfer, xfer->epid);
2047 if (xhci_setup_packet(xfer) < 0) {
2050 usb_handle_packet(xfer->packet.ep->dev, &xfer->packet);
2052 xhci_complete_packet(xfer);
2053 if (!xfer->running_async && !xfer->running_retry) {
2054 xhci_kick_ep(xhci, xfer->slotid, xfer->epid, xfer->streamid);
2059 static int xhci_fire_transfer(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx)
2061 trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid, xfer->streamid);
2062 return xhci_submit(xhci, xfer, epctx);
2065 static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid,
2066 unsigned int epid, unsigned int streamid)
2068 XHCIStreamContext *stctx;
2069 XHCIEPContext *epctx;
2071 USBEndpoint *ep = NULL;
2076 trace_usb_xhci_ep_kick(slotid, epid, streamid);
2077 assert(slotid >= 1 && slotid <= xhci->numslots);
2078 assert(epid >= 1 && epid <= 31);
2080 if (!xhci->slots[slotid-1].enabled) {
2081 fprintf(stderr, "xhci: xhci_kick_ep for disabled slot %d\n", slotid);
2084 epctx = xhci->slots[slotid-1].eps[epid-1];
2086 fprintf(stderr, "xhci: xhci_kick_ep for disabled endpoint %d,%d\n",
2091 /* If the device has been detached, but the guest has not noticed this
2092 yet the 2 above checks will succeed, but we must NOT continue */
2093 if (!xhci->slots[slotid - 1].uport ||
2094 !xhci->slots[slotid - 1].uport->dev ||
2095 !xhci->slots[slotid - 1].uport->dev->attached) {
2100 XHCITransfer *xfer = epctx->retry;
2102 trace_usb_xhci_xfer_retry(xfer);
2103 assert(xfer->running_retry);
2104 if (xfer->timed_xfer) {
2105 /* time to kick the transfer? */
2106 mfindex = xhci_mfindex_get(xhci);
2107 xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex);
2108 if (xfer->running_retry) {
2111 xfer->timed_xfer = 0;
2112 xfer->running_retry = 1;
2114 if (xfer->iso_xfer) {
2115 /* retry iso transfer */
2116 if (xhci_setup_packet(xfer) < 0) {
2119 usb_handle_packet(xfer->packet.ep->dev, &xfer->packet);
2120 assert(xfer->packet.status != USB_RET_NAK);
2121 xhci_complete_packet(xfer);
2123 /* retry nak'ed transfer */
2124 if (xhci_setup_packet(xfer) < 0) {
2127 usb_handle_packet(xfer->packet.ep->dev, &xfer->packet);
2128 if (xfer->packet.status == USB_RET_NAK) {
2131 xhci_complete_packet(xfer);
2133 assert(!xfer->running_retry);
2134 epctx->retry = NULL;
2137 if (epctx->state == EP_HALTED) {
2138 DPRINTF("xhci: ep halted, not running schedule\n");
2143 if (epctx->nr_pstreams) {
2145 stctx = xhci_find_stream(epctx, streamid, &err);
2146 if (stctx == NULL) {
2149 ring = &stctx->ring;
2150 xhci_set_ep_state(xhci, epctx, stctx, EP_RUNNING);
2152 ring = &epctx->ring;
2154 xhci_set_ep_state(xhci, epctx, NULL, EP_RUNNING);
2156 assert(ring->dequeue != 0);
2159 XHCITransfer *xfer = &epctx->transfers[epctx->next_xfer];
2160 if (xfer->running_async || xfer->running_retry) {
2163 length = xhci_ring_chain_length(xhci, ring);
2166 } else if (length == 0) {
2169 if (xfer->trbs && xfer->trb_alloced < length) {
2170 xfer->trb_count = 0;
2171 xfer->trb_alloced = 0;
2176 xfer->trbs = g_malloc(sizeof(XHCITRB) * length);
2177 xfer->trb_alloced = length;
2179 xfer->trb_count = length;
2181 for (i = 0; i < length; i++) {
2182 assert(xhci_ring_fetch(xhci, ring, &xfer->trbs[i], NULL));
2184 xfer->streamid = streamid;
2187 if (xhci_fire_ctl_transfer(xhci, xfer) >= 0) {
2188 epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE;
2189 ep = xfer->packet.ep;
2191 fprintf(stderr, "xhci: error firing CTL transfer\n");
2194 if (xhci_fire_transfer(xhci, xfer, epctx) >= 0) {
2195 epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE;
2197 if (!xfer->timed_xfer) {
2198 fprintf(stderr, "xhci: error firing data transfer\n");
2203 if (epctx->state == EP_HALTED) {
2206 if (xfer->running_retry) {
2207 DPRINTF("xhci: xfer nacked, stopping schedule\n");
2208 epctx->retry = xfer;
2213 ep = xhci_epid_to_usbep(xhci, slotid, epid);
2215 usb_device_flush_ep_queue(ep->dev, ep);
2219 static TRBCCode xhci_enable_slot(XHCIState *xhci, unsigned int slotid)
2221 trace_usb_xhci_slot_enable(slotid);
2222 assert(slotid >= 1 && slotid <= xhci->numslots);
2223 xhci->slots[slotid-1].enabled = 1;
2224 xhci->slots[slotid-1].uport = NULL;
2225 memset(xhci->slots[slotid-1].eps, 0, sizeof(XHCIEPContext*)*31);
2230 static TRBCCode xhci_disable_slot(XHCIState *xhci, unsigned int slotid)
2234 trace_usb_xhci_slot_disable(slotid);
2235 assert(slotid >= 1 && slotid <= xhci->numslots);
2237 for (i = 1; i <= 31; i++) {
2238 if (xhci->slots[slotid-1].eps[i-1]) {
2239 xhci_disable_ep(xhci, slotid, i);
2243 xhci->slots[slotid-1].enabled = 0;
2244 xhci->slots[slotid-1].addressed = 0;
2245 xhci->slots[slotid-1].uport = NULL;
2249 static USBPort *xhci_lookup_uport(XHCIState *xhci, uint32_t *slot_ctx)
2255 port = (slot_ctx[1]>>16) & 0xFF;
2256 port = xhci->ports[port-1].uport->index+1;
2257 pos = snprintf(path, sizeof(path), "%d", port);
2258 for (i = 0; i < 5; i++) {
2259 port = (slot_ctx[0] >> 4*i) & 0x0f;
2263 pos += snprintf(path + pos, sizeof(path) - pos, ".%d", port);
2266 QTAILQ_FOREACH(uport, &xhci->bus.used, next) {
2267 if (strcmp(uport->path, path) == 0) {
2274 static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid,
2275 uint64_t pictx, bool bsr)
2280 dma_addr_t ictx, octx, dcbaap;
2282 uint32_t ictl_ctx[2];
2283 uint32_t slot_ctx[4];
2284 uint32_t ep0_ctx[5];
2288 assert(slotid >= 1 && slotid <= xhci->numslots);
2290 dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high);
2291 poctx = ldq_le_pci_dma(PCI_DEVICE(xhci), dcbaap + 8 * slotid);
2292 ictx = xhci_mask64(pictx);
2293 octx = xhci_mask64(poctx);
2295 DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx);
2296 DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx);
2298 xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx));
2300 if (ictl_ctx[0] != 0x0 || ictl_ctx[1] != 0x3) {
2301 fprintf(stderr, "xhci: invalid input context control %08x %08x\n",
2302 ictl_ctx[0], ictl_ctx[1]);
2303 return CC_TRB_ERROR;
2306 xhci_dma_read_u32s(xhci, ictx+32, slot_ctx, sizeof(slot_ctx));
2307 xhci_dma_read_u32s(xhci, ictx+64, ep0_ctx, sizeof(ep0_ctx));
2309 DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n",
2310 slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]);
2312 DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n",
2313 ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]);
2315 uport = xhci_lookup_uport(xhci, slot_ctx);
2316 if (uport == NULL) {
2317 fprintf(stderr, "xhci: port not found\n");
2318 return CC_TRB_ERROR;
2320 trace_usb_xhci_slot_address(slotid, uport->path);
2323 if (!dev || !dev->attached) {
2324 fprintf(stderr, "xhci: port %s not connected\n", uport->path);
2325 return CC_USB_TRANSACTION_ERROR;
2328 for (i = 0; i < xhci->numslots; i++) {
2329 if (i == slotid-1) {
2332 if (xhci->slots[i].uport == uport) {
2333 fprintf(stderr, "xhci: port %s already assigned to slot %d\n",
2335 return CC_TRB_ERROR;
2339 slot = &xhci->slots[slotid-1];
2340 slot->uport = uport;
2344 slot_ctx[3] = SLOT_DEFAULT << SLOT_STATE_SHIFT;
2349 slot_ctx[3] = (SLOT_ADDRESSED << SLOT_STATE_SHIFT) | slotid;
2350 usb_device_reset(dev);
2351 memset(&p, 0, sizeof(p));
2352 usb_packet_addbuf(&p, buf, sizeof(buf));
2353 usb_packet_setup(&p, USB_TOKEN_OUT,
2354 usb_ep_get(dev, USB_TOKEN_OUT, 0), 0,
2356 usb_device_handle_control(dev, &p,
2357 DeviceOutRequest | USB_REQ_SET_ADDRESS,
2358 slotid, 0, 0, NULL);
2359 assert(p.status != USB_RET_ASYNC);
2362 res = xhci_enable_ep(xhci, slotid, 1, octx+32, ep0_ctx);
2364 DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",
2365 slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]);
2366 DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n",
2367 ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]);
2369 xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
2370 xhci_dma_write_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx));
2372 xhci->slots[slotid-1].addressed = 1;
2377 static TRBCCode xhci_configure_slot(XHCIState *xhci, unsigned int slotid,
2378 uint64_t pictx, bool dc)
2380 dma_addr_t ictx, octx;
2381 uint32_t ictl_ctx[2];
2382 uint32_t slot_ctx[4];
2383 uint32_t islot_ctx[4];
2388 trace_usb_xhci_slot_configure(slotid);
2389 assert(slotid >= 1 && slotid <= xhci->numslots);
2391 ictx = xhci_mask64(pictx);
2392 octx = xhci->slots[slotid-1].ctx;
2394 DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx);
2395 DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx);
2398 for (i = 2; i <= 31; i++) {
2399 if (xhci->slots[slotid-1].eps[i-1]) {
2400 xhci_disable_ep(xhci, slotid, i);
2404 xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
2405 slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT);
2406 slot_ctx[3] |= SLOT_ADDRESSED << SLOT_STATE_SHIFT;
2407 DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",
2408 slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]);
2409 xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
2414 xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx));
2416 if ((ictl_ctx[0] & 0x3) != 0x0 || (ictl_ctx[1] & 0x3) != 0x1) {
2417 fprintf(stderr, "xhci: invalid input context control %08x %08x\n",
2418 ictl_ctx[0], ictl_ctx[1]);
2419 return CC_TRB_ERROR;
2422 xhci_dma_read_u32s(xhci, ictx+32, islot_ctx, sizeof(islot_ctx));
2423 xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
2425 if (SLOT_STATE(slot_ctx[3]) < SLOT_ADDRESSED) {
2426 fprintf(stderr, "xhci: invalid slot state %08x\n", slot_ctx[3]);
2427 return CC_CONTEXT_STATE_ERROR;
2430 xhci_free_device_streams(xhci, slotid, ictl_ctx[0] | ictl_ctx[1]);
2432 for (i = 2; i <= 31; i++) {
2433 if (ictl_ctx[0] & (1<<i)) {
2434 xhci_disable_ep(xhci, slotid, i);
2436 if (ictl_ctx[1] & (1<<i)) {
2437 xhci_dma_read_u32s(xhci, ictx+32+(32*i), ep_ctx, sizeof(ep_ctx));
2438 DPRINTF("xhci: input ep%d.%d context: %08x %08x %08x %08x %08x\n",
2439 i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2],
2440 ep_ctx[3], ep_ctx[4]);
2441 xhci_disable_ep(xhci, slotid, i);
2442 res = xhci_enable_ep(xhci, slotid, i, octx+(32*i), ep_ctx);
2443 if (res != CC_SUCCESS) {
2446 DPRINTF("xhci: output ep%d.%d context: %08x %08x %08x %08x %08x\n",
2447 i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2],
2448 ep_ctx[3], ep_ctx[4]);
2449 xhci_dma_write_u32s(xhci, octx+(32*i), ep_ctx, sizeof(ep_ctx));
2453 res = xhci_alloc_device_streams(xhci, slotid, ictl_ctx[1]);
2454 if (res != CC_SUCCESS) {
2455 for (i = 2; i <= 31; i++) {
2456 if (ictl_ctx[1] & (1 << i)) {
2457 xhci_disable_ep(xhci, slotid, i);
2463 slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT);
2464 slot_ctx[3] |= SLOT_CONFIGURED << SLOT_STATE_SHIFT;
2465 slot_ctx[0] &= ~(SLOT_CONTEXT_ENTRIES_MASK << SLOT_CONTEXT_ENTRIES_SHIFT);
2466 slot_ctx[0] |= islot_ctx[0] & (SLOT_CONTEXT_ENTRIES_MASK <<
2467 SLOT_CONTEXT_ENTRIES_SHIFT);
2468 DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",
2469 slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]);
2471 xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
2477 static TRBCCode xhci_evaluate_slot(XHCIState *xhci, unsigned int slotid,
2480 dma_addr_t ictx, octx;
2481 uint32_t ictl_ctx[2];
2482 uint32_t iep0_ctx[5];
2483 uint32_t ep0_ctx[5];
2484 uint32_t islot_ctx[4];
2485 uint32_t slot_ctx[4];
2487 trace_usb_xhci_slot_evaluate(slotid);
2488 assert(slotid >= 1 && slotid <= xhci->numslots);
2490 ictx = xhci_mask64(pictx);
2491 octx = xhci->slots[slotid-1].ctx;
2493 DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx);
2494 DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx);
2496 xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx));
2498 if (ictl_ctx[0] != 0x0 || ictl_ctx[1] & ~0x3) {
2499 fprintf(stderr, "xhci: invalid input context control %08x %08x\n",
2500 ictl_ctx[0], ictl_ctx[1]);
2501 return CC_TRB_ERROR;
2504 if (ictl_ctx[1] & 0x1) {
2505 xhci_dma_read_u32s(xhci, ictx+32, islot_ctx, sizeof(islot_ctx));
2507 DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n",
2508 islot_ctx[0], islot_ctx[1], islot_ctx[2], islot_ctx[3]);
2510 xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
2512 slot_ctx[1] &= ~0xFFFF; /* max exit latency */
2513 slot_ctx[1] |= islot_ctx[1] & 0xFFFF;
2514 slot_ctx[2] &= ~0xFF00000; /* interrupter target */
2515 slot_ctx[2] |= islot_ctx[2] & 0xFF000000;
2517 DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",
2518 slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]);
2520 xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
2523 if (ictl_ctx[1] & 0x2) {
2524 xhci_dma_read_u32s(xhci, ictx+64, iep0_ctx, sizeof(iep0_ctx));
2526 DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n",
2527 iep0_ctx[0], iep0_ctx[1], iep0_ctx[2],
2528 iep0_ctx[3], iep0_ctx[4]);
2530 xhci_dma_read_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx));
2532 ep0_ctx[1] &= ~0xFFFF0000; /* max packet size*/
2533 ep0_ctx[1] |= iep0_ctx[1] & 0xFFFF0000;
2535 DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n",
2536 ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]);
2538 xhci_dma_write_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx));
2544 static TRBCCode xhci_reset_slot(XHCIState *xhci, unsigned int slotid)
2546 uint32_t slot_ctx[4];
2550 trace_usb_xhci_slot_reset(slotid);
2551 assert(slotid >= 1 && slotid <= xhci->numslots);
2553 octx = xhci->slots[slotid-1].ctx;
2555 DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx);
2557 for (i = 2; i <= 31; i++) {
2558 if (xhci->slots[slotid-1].eps[i-1]) {
2559 xhci_disable_ep(xhci, slotid, i);
2563 xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
2564 slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT);
2565 slot_ctx[3] |= SLOT_DEFAULT << SLOT_STATE_SHIFT;
2566 DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",
2567 slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]);
2568 xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
2573 static unsigned int xhci_get_slot(XHCIState *xhci, XHCIEvent *event, XHCITRB *trb)
2575 unsigned int slotid;
2576 slotid = (trb->control >> TRB_CR_SLOTID_SHIFT) & TRB_CR_SLOTID_MASK;
2577 if (slotid < 1 || slotid > xhci->numslots) {
2578 fprintf(stderr, "xhci: bad slot id %d\n", slotid);
2579 event->ccode = CC_TRB_ERROR;
2581 } else if (!xhci->slots[slotid-1].enabled) {
2582 fprintf(stderr, "xhci: slot id %d not enabled\n", slotid);
2583 event->ccode = CC_SLOT_NOT_ENABLED_ERROR;
2589 /* cleanup slot state on usb device detach */
2590 static void xhci_detach_slot(XHCIState *xhci, USBPort *uport)
2594 for (slot = 0; slot < xhci->numslots; slot++) {
2595 if (xhci->slots[slot].uport == uport) {
2599 if (slot == xhci->numslots) {
2603 for (ep = 0; ep < 31; ep++) {
2604 if (xhci->slots[slot].eps[ep]) {
2605 xhci_ep_nuke_xfers(xhci, slot + 1, ep + 1, 0);
2608 xhci->slots[slot].uport = NULL;
2611 static TRBCCode xhci_get_port_bandwidth(XHCIState *xhci, uint64_t pctx)
2614 uint8_t bw_ctx[xhci->numports+1];
2616 DPRINTF("xhci_get_port_bandwidth()\n");
2618 ctx = xhci_mask64(pctx);
2620 DPRINTF("xhci: bandwidth context at "DMA_ADDR_FMT"\n", ctx);
2622 /* TODO: actually implement real values here */
2624 memset(&bw_ctx[1], 80, xhci->numports); /* 80% */
2625 pci_dma_write(PCI_DEVICE(xhci), ctx, bw_ctx, sizeof(bw_ctx));
2630 static uint32_t rotl(uint32_t v, unsigned count)
2633 return (v << count) | (v >> (32 - count));
2637 static uint32_t xhci_nec_challenge(uint32_t hi, uint32_t lo)
2640 val = rotl(lo - 0x49434878, 32 - ((hi>>8) & 0x1F));
2641 val += rotl(lo + 0x49434878, hi & 0x1F);
2642 val -= rotl(hi ^ 0x49434878, (lo >> 16) & 0x1F);
2646 static void xhci_via_challenge(XHCIState *xhci, uint64_t addr)
2648 PCIDevice *pci_dev = PCI_DEVICE(xhci);
2651 dma_addr_t paddr = xhci_mask64(addr);
2653 pci_dma_read(pci_dev, paddr, &buf, 32);
2655 memcpy(obuf, buf, sizeof(obuf));
2657 if ((buf[0] & 0xff) == 2) {
2658 obuf[0] = 0x49932000 + 0x54dc200 * buf[2] + 0x7429b578 * buf[3];
2659 obuf[0] |= (buf[2] * buf[3]) & 0xff;
2660 obuf[1] = 0x0132bb37 + 0xe89 * buf[2] + 0xf09 * buf[3];
2661 obuf[2] = 0x0066c2e9 + 0x2091 * buf[2] + 0x19bd * buf[3];
2662 obuf[3] = 0xd5281342 + 0x2cc9691 * buf[2] + 0x2367662 * buf[3];
2663 obuf[4] = 0x0123c75c + 0x1595 * buf[2] + 0x19ec * buf[3];
2664 obuf[5] = 0x00f695de + 0x26fd * buf[2] + 0x3e9 * buf[3];
2665 obuf[6] = obuf[2] ^ obuf[3] ^ 0x29472956;
2666 obuf[7] = obuf[2] ^ obuf[3] ^ 0x65866593;
2669 pci_dma_write(pci_dev, paddr, &obuf, 32);
2672 static void xhci_process_commands(XHCIState *xhci)
2676 XHCIEvent event = {ER_COMMAND_COMPLETE, CC_SUCCESS};
2678 unsigned int i, slotid = 0;
2680 DPRINTF("xhci_process_commands()\n");
2681 if (!xhci_running(xhci)) {
2682 DPRINTF("xhci_process_commands() called while xHC stopped or paused\n");
2686 xhci->crcr_low |= CRCR_CRR;
2688 while ((type = xhci_ring_fetch(xhci, &xhci->cmd_ring, &trb, &addr))) {
2691 case CR_ENABLE_SLOT:
2692 for (i = 0; i < xhci->numslots; i++) {
2693 if (!xhci->slots[i].enabled) {
2697 if (i >= xhci->numslots) {
2698 fprintf(stderr, "xhci: no device slots available\n");
2699 event.ccode = CC_NO_SLOTS_ERROR;
2702 event.ccode = xhci_enable_slot(xhci, slotid);
2705 case CR_DISABLE_SLOT:
2706 slotid = xhci_get_slot(xhci, &event, &trb);
2708 event.ccode = xhci_disable_slot(xhci, slotid);
2711 case CR_ADDRESS_DEVICE:
2712 slotid = xhci_get_slot(xhci, &event, &trb);
2714 event.ccode = xhci_address_slot(xhci, slotid, trb.parameter,
2715 trb.control & TRB_CR_BSR);
2718 case CR_CONFIGURE_ENDPOINT:
2719 slotid = xhci_get_slot(xhci, &event, &trb);
2721 event.ccode = xhci_configure_slot(xhci, slotid, trb.parameter,
2722 trb.control & TRB_CR_DC);
2725 case CR_EVALUATE_CONTEXT:
2726 slotid = xhci_get_slot(xhci, &event, &trb);
2728 event.ccode = xhci_evaluate_slot(xhci, slotid, trb.parameter);
2731 case CR_STOP_ENDPOINT:
2732 slotid = xhci_get_slot(xhci, &event, &trb);
2734 unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT)
2736 event.ccode = xhci_stop_ep(xhci, slotid, epid);
2739 case CR_RESET_ENDPOINT:
2740 slotid = xhci_get_slot(xhci, &event, &trb);
2742 unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT)
2744 event.ccode = xhci_reset_ep(xhci, slotid, epid);
2747 case CR_SET_TR_DEQUEUE:
2748 slotid = xhci_get_slot(xhci, &event, &trb);
2750 unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT)
2752 unsigned int streamid = (trb.status >> 16) & 0xffff;
2753 event.ccode = xhci_set_ep_dequeue(xhci, slotid,
2758 case CR_RESET_DEVICE:
2759 slotid = xhci_get_slot(xhci, &event, &trb);
2761 event.ccode = xhci_reset_slot(xhci, slotid);
2764 case CR_GET_PORT_BANDWIDTH:
2765 event.ccode = xhci_get_port_bandwidth(xhci, trb.parameter);
2767 case CR_VENDOR_VIA_CHALLENGE_RESPONSE:
2768 xhci_via_challenge(xhci, trb.parameter);
2770 case CR_VENDOR_NEC_FIRMWARE_REVISION:
2771 event.type = 48; /* NEC reply */
2772 event.length = 0x3025;
2774 case CR_VENDOR_NEC_CHALLENGE_RESPONSE:
2776 uint32_t chi = trb.parameter >> 32;
2777 uint32_t clo = trb.parameter;
2778 uint32_t val = xhci_nec_challenge(chi, clo);
2779 event.length = val & 0xFFFF;
2780 event.epid = val >> 16;
2782 event.type = 48; /* NEC reply */
2786 trace_usb_xhci_unimplemented("command", type);
2787 event.ccode = CC_TRB_ERROR;
2790 event.slotid = slotid;
2791 xhci_event(xhci, &event, 0);
2795 static bool xhci_port_have_device(XHCIPort *port)
2797 if (!port->uport->dev || !port->uport->dev->attached) {
2798 return false; /* no device present */
2800 if (!((1 << port->uport->dev->speed) & port->speedmask)) {
2801 return false; /* speed mismatch */
2806 static void xhci_port_notify(XHCIPort *port, uint32_t bits)
2808 XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS,
2809 port->portnr << 24 };
2811 if ((port->portsc & bits) == bits) {
2814 trace_usb_xhci_port_notify(port->portnr, bits);
2815 port->portsc |= bits;
2816 if (!xhci_running(port->xhci)) {
2819 xhci_event(port->xhci, &ev, 0);
2822 static void xhci_port_update(XHCIPort *port, int is_detach)
2824 uint32_t pls = PLS_RX_DETECT;
2826 port->portsc = PORTSC_PP;
2827 if (!is_detach && xhci_port_have_device(port)) {
2828 port->portsc |= PORTSC_CCS;
2829 switch (port->uport->dev->speed) {
2831 port->portsc |= PORTSC_SPEED_LOW;
2834 case USB_SPEED_FULL:
2835 port->portsc |= PORTSC_SPEED_FULL;
2838 case USB_SPEED_HIGH:
2839 port->portsc |= PORTSC_SPEED_HIGH;
2842 case USB_SPEED_SUPER:
2843 port->portsc |= PORTSC_SPEED_SUPER;
2844 port->portsc |= PORTSC_PED;
2849 set_field(&port->portsc, pls, PORTSC_PLS);
2850 trace_usb_xhci_port_link(port->portnr, pls);
2851 xhci_port_notify(port, PORTSC_CSC);
2854 static void xhci_port_reset(XHCIPort *port, bool warm_reset)
2856 trace_usb_xhci_port_reset(port->portnr);
2858 if (!xhci_port_have_device(port)) {
2862 usb_device_reset(port->uport->dev);
2864 switch (port->uport->dev->speed) {
2865 case USB_SPEED_SUPER:
2867 port->portsc |= PORTSC_WRC;
2871 case USB_SPEED_FULL:
2872 case USB_SPEED_HIGH:
2873 set_field(&port->portsc, PLS_U0, PORTSC_PLS);
2874 trace_usb_xhci_port_link(port->portnr, PLS_U0);
2875 port->portsc |= PORTSC_PED;
2879 port->portsc &= ~PORTSC_PR;
2880 xhci_port_notify(port, PORTSC_PRC);
2883 static void xhci_reset(DeviceState *dev)
2885 XHCIState *xhci = XHCI(dev);
2888 trace_usb_xhci_reset();
2889 if (!(xhci->usbsts & USBSTS_HCH)) {
2890 fprintf(stderr, "xhci: reset while running!\n");
2894 xhci->usbsts = USBSTS_HCH;
2897 xhci->crcr_high = 0;
2898 xhci->dcbaap_low = 0;
2899 xhci->dcbaap_high = 0;
2902 for (i = 0; i < xhci->numslots; i++) {
2903 xhci_disable_slot(xhci, i+1);
2906 for (i = 0; i < xhci->numports; i++) {
2907 xhci_port_update(xhci->ports + i, 0);
2910 for (i = 0; i < xhci->numintrs; i++) {
2911 xhci->intr[i].iman = 0;
2912 xhci->intr[i].imod = 0;
2913 xhci->intr[i].erstsz = 0;
2914 xhci->intr[i].erstba_low = 0;
2915 xhci->intr[i].erstba_high = 0;
2916 xhci->intr[i].erdp_low = 0;
2917 xhci->intr[i].erdp_high = 0;
2918 xhci->intr[i].msix_used = 0;
2920 xhci->intr[i].er_ep_idx = 0;
2921 xhci->intr[i].er_pcs = 1;
2922 xhci->intr[i].er_full = 0;
2923 xhci->intr[i].ev_buffer_put = 0;
2924 xhci->intr[i].ev_buffer_get = 0;
2927 xhci->mfindex_start = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
2928 xhci_mfwrap_update(xhci);
2931 static uint64_t xhci_cap_read(void *ptr, hwaddr reg, unsigned size)
2933 XHCIState *xhci = ptr;
2937 case 0x00: /* HCIVERSION, CAPLENGTH */
2938 ret = 0x01000000 | LEN_CAP;
2940 case 0x04: /* HCSPARAMS 1 */
2941 ret = ((xhci->numports_2+xhci->numports_3)<<24)
2942 | (xhci->numintrs<<8) | xhci->numslots;
2944 case 0x08: /* HCSPARAMS 2 */
2947 case 0x0c: /* HCSPARAMS 3 */
2950 case 0x10: /* HCCPARAMS */
2951 if (sizeof(dma_addr_t) == 4) {
2957 case 0x14: /* DBOFF */
2960 case 0x18: /* RTSOFF */
2964 /* extended capabilities */
2965 case 0x20: /* Supported Protocol:00 */
2966 ret = 0x02000402; /* USB 2.0 */
2968 case 0x24: /* Supported Protocol:04 */
2969 ret = 0x20425355; /* "USB " */
2971 case 0x28: /* Supported Protocol:08 */
2972 ret = 0x00000001 | (xhci->numports_2<<8);
2974 case 0x2c: /* Supported Protocol:0c */
2975 ret = 0x00000000; /* reserved */
2977 case 0x30: /* Supported Protocol:00 */
2978 ret = 0x03000002; /* USB 3.0 */
2980 case 0x34: /* Supported Protocol:04 */
2981 ret = 0x20425355; /* "USB " */
2983 case 0x38: /* Supported Protocol:08 */
2984 ret = 0x00000000 | (xhci->numports_2+1) | (xhci->numports_3<<8);
2986 case 0x3c: /* Supported Protocol:0c */
2987 ret = 0x00000000; /* reserved */
2990 trace_usb_xhci_unimplemented("cap read", reg);
2994 trace_usb_xhci_cap_read(reg, ret);
2998 static uint64_t xhci_port_read(void *ptr, hwaddr reg, unsigned size)
3000 XHCIPort *port = ptr;
3004 case 0x00: /* PORTSC */
3007 case 0x04: /* PORTPMSC */
3008 case 0x08: /* PORTLI */
3011 case 0x0c: /* reserved */
3013 trace_usb_xhci_unimplemented("port read", reg);
3017 trace_usb_xhci_port_read(port->portnr, reg, ret);
3021 static void xhci_port_write(void *ptr, hwaddr reg,
3022 uint64_t val, unsigned size)
3024 XHCIPort *port = ptr;
3025 uint32_t portsc, notify;
3027 trace_usb_xhci_port_write(port->portnr, reg, val);
3030 case 0x00: /* PORTSC */
3031 /* write-1-to-start bits */
3032 if (val & PORTSC_WPR) {
3033 xhci_port_reset(port, true);
3036 if (val & PORTSC_PR) {
3037 xhci_port_reset(port, false);
3041 portsc = port->portsc;
3043 /* write-1-to-clear bits*/
3044 portsc &= ~(val & (PORTSC_CSC|PORTSC_PEC|PORTSC_WRC|PORTSC_OCC|
3045 PORTSC_PRC|PORTSC_PLC|PORTSC_CEC));
3046 if (val & PORTSC_LWS) {
3047 /* overwrite PLS only when LWS=1 */
3048 uint32_t old_pls = get_field(port->portsc, PORTSC_PLS);
3049 uint32_t new_pls = get_field(val, PORTSC_PLS);
3052 if (old_pls != PLS_U0) {
3053 set_field(&portsc, new_pls, PORTSC_PLS);
3054 trace_usb_xhci_port_link(port->portnr, new_pls);
3055 notify = PORTSC_PLC;
3059 if (old_pls < PLS_U3) {
3060 set_field(&portsc, new_pls, PORTSC_PLS);
3061 trace_usb_xhci_port_link(port->portnr, new_pls);
3065 /* windows does this for some reason, don't spam stderr */
3068 fprintf(stderr, "%s: ignore pls write (old %d, new %d)\n",
3069 __func__, old_pls, new_pls);
3073 /* read/write bits */
3074 portsc &= ~(PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE);
3075 portsc |= (val & (PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE));
3076 port->portsc = portsc;
3078 xhci_port_notify(port, notify);
3081 case 0x04: /* PORTPMSC */
3082 case 0x08: /* PORTLI */
3084 trace_usb_xhci_unimplemented("port write", reg);
3088 static uint64_t xhci_oper_read(void *ptr, hwaddr reg, unsigned size)
3090 XHCIState *xhci = ptr;
3094 case 0x00: /* USBCMD */
3097 case 0x04: /* USBSTS */
3100 case 0x08: /* PAGESIZE */
3103 case 0x14: /* DNCTRL */
3106 case 0x18: /* CRCR low */
3107 ret = xhci->crcr_low & ~0xe;
3109 case 0x1c: /* CRCR high */
3110 ret = xhci->crcr_high;
3112 case 0x30: /* DCBAAP low */
3113 ret = xhci->dcbaap_low;
3115 case 0x34: /* DCBAAP high */
3116 ret = xhci->dcbaap_high;
3118 case 0x38: /* CONFIG */
3122 trace_usb_xhci_unimplemented("oper read", reg);
3126 trace_usb_xhci_oper_read(reg, ret);
3130 static void xhci_oper_write(void *ptr, hwaddr reg,
3131 uint64_t val, unsigned size)
3133 XHCIState *xhci = ptr;
3134 DeviceState *d = DEVICE(ptr);
3136 trace_usb_xhci_oper_write(reg, val);
3139 case 0x00: /* USBCMD */
3140 if ((val & USBCMD_RS) && !(xhci->usbcmd & USBCMD_RS)) {
3142 } else if (!(val & USBCMD_RS) && (xhci->usbcmd & USBCMD_RS)) {
3145 if (val & USBCMD_CSS) {
3147 xhci->usbsts &= ~USBSTS_SRE;
3149 if (val & USBCMD_CRS) {
3151 xhci->usbsts |= USBSTS_SRE;
3153 xhci->usbcmd = val & 0xc0f;
3154 xhci_mfwrap_update(xhci);
3155 if (val & USBCMD_HCRST) {
3158 xhci_intx_update(xhci);
3161 case 0x04: /* USBSTS */
3162 /* these bits are write-1-to-clear */
3163 xhci->usbsts &= ~(val & (USBSTS_HSE|USBSTS_EINT|USBSTS_PCD|USBSTS_SRE));
3164 xhci_intx_update(xhci);
3167 case 0x14: /* DNCTRL */
3168 xhci->dnctrl = val & 0xffff;
3170 case 0x18: /* CRCR low */
3171 xhci->crcr_low = (val & 0xffffffcf) | (xhci->crcr_low & CRCR_CRR);
3173 case 0x1c: /* CRCR high */
3174 xhci->crcr_high = val;
3175 if (xhci->crcr_low & (CRCR_CA|CRCR_CS) && (xhci->crcr_low & CRCR_CRR)) {
3176 XHCIEvent event = {ER_COMMAND_COMPLETE, CC_COMMAND_RING_STOPPED};
3177 xhci->crcr_low &= ~CRCR_CRR;
3178 xhci_event(xhci, &event, 0);
3179 DPRINTF("xhci: command ring stopped (CRCR=%08x)\n", xhci->crcr_low);
3181 dma_addr_t base = xhci_addr64(xhci->crcr_low & ~0x3f, val);
3182 xhci_ring_init(xhci, &xhci->cmd_ring, base);
3184 xhci->crcr_low &= ~(CRCR_CA | CRCR_CS);
3186 case 0x30: /* DCBAAP low */
3187 xhci->dcbaap_low = val & 0xffffffc0;
3189 case 0x34: /* DCBAAP high */
3190 xhci->dcbaap_high = val;
3192 case 0x38: /* CONFIG */
3193 xhci->config = val & 0xff;
3196 trace_usb_xhci_unimplemented("oper write", reg);
3200 static uint64_t xhci_runtime_read(void *ptr, hwaddr reg,
3203 XHCIState *xhci = ptr;
3208 case 0x00: /* MFINDEX */
3209 ret = xhci_mfindex_get(xhci) & 0x3fff;
3212 trace_usb_xhci_unimplemented("runtime read", reg);
3216 int v = (reg - 0x20) / 0x20;
3217 XHCIInterrupter *intr = &xhci->intr[v];
3218 switch (reg & 0x1f) {
3219 case 0x00: /* IMAN */
3222 case 0x04: /* IMOD */
3225 case 0x08: /* ERSTSZ */
3228 case 0x10: /* ERSTBA low */
3229 ret = intr->erstba_low;
3231 case 0x14: /* ERSTBA high */
3232 ret = intr->erstba_high;
3234 case 0x18: /* ERDP low */
3235 ret = intr->erdp_low;
3237 case 0x1c: /* ERDP high */
3238 ret = intr->erdp_high;
3243 trace_usb_xhci_runtime_read(reg, ret);
3247 static void xhci_runtime_write(void *ptr, hwaddr reg,
3248 uint64_t val, unsigned size)
3250 XHCIState *xhci = ptr;
3251 int v = (reg - 0x20) / 0x20;
3252 XHCIInterrupter *intr = &xhci->intr[v];
3253 trace_usb_xhci_runtime_write(reg, val);
3256 trace_usb_xhci_unimplemented("runtime write", reg);
3260 switch (reg & 0x1f) {
3261 case 0x00: /* IMAN */
3262 if (val & IMAN_IP) {
3263 intr->iman &= ~IMAN_IP;
3265 intr->iman &= ~IMAN_IE;
3266 intr->iman |= val & IMAN_IE;
3268 xhci_intx_update(xhci);
3270 xhci_msix_update(xhci, v);
3272 case 0x04: /* IMOD */
3275 case 0x08: /* ERSTSZ */
3276 intr->erstsz = val & 0xffff;
3278 case 0x10: /* ERSTBA low */
3279 /* XXX NEC driver bug: it doesn't align this to 64 bytes
3280 intr->erstba_low = val & 0xffffffc0; */
3281 intr->erstba_low = val & 0xfffffff0;
3283 case 0x14: /* ERSTBA high */
3284 intr->erstba_high = val;
3285 xhci_er_reset(xhci, v);
3287 case 0x18: /* ERDP low */
3288 if (val & ERDP_EHB) {
3289 intr->erdp_low &= ~ERDP_EHB;
3291 intr->erdp_low = (val & ~ERDP_EHB) | (intr->erdp_low & ERDP_EHB);
3293 case 0x1c: /* ERDP high */
3294 intr->erdp_high = val;
3295 xhci_events_update(xhci, v);
3298 trace_usb_xhci_unimplemented("oper write", reg);
3302 static uint64_t xhci_doorbell_read(void *ptr, hwaddr reg,
3305 /* doorbells always read as 0 */
3306 trace_usb_xhci_doorbell_read(reg, 0);
3310 static void xhci_doorbell_write(void *ptr, hwaddr reg,
3311 uint64_t val, unsigned size)
3313 XHCIState *xhci = ptr;
3314 unsigned int epid, streamid;
3316 trace_usb_xhci_doorbell_write(reg, val);
3318 if (!xhci_running(xhci)) {
3319 fprintf(stderr, "xhci: wrote doorbell while xHC stopped or paused\n");
3327 xhci_process_commands(xhci);
3329 fprintf(stderr, "xhci: bad doorbell 0 write: 0x%x\n",
3334 streamid = (val >> 16) & 0xffff;
3335 if (reg > xhci->numslots) {
3336 fprintf(stderr, "xhci: bad doorbell %d\n", (int)reg);
3337 } else if (epid > 31) {
3338 fprintf(stderr, "xhci: bad doorbell %d write: 0x%x\n",
3339 (int)reg, (uint32_t)val);
3341 xhci_kick_ep(xhci, reg, epid, streamid);
3346 static void xhci_cap_write(void *opaque, hwaddr addr, uint64_t val,
3352 static const MemoryRegionOps xhci_cap_ops = {
3353 .read = xhci_cap_read,
3354 .write = xhci_cap_write,
3355 .valid.min_access_size = 1,
3356 .valid.max_access_size = 4,
3357 .impl.min_access_size = 4,
3358 .impl.max_access_size = 4,
3359 .endianness = DEVICE_LITTLE_ENDIAN,
3362 static const MemoryRegionOps xhci_oper_ops = {
3363 .read = xhci_oper_read,
3364 .write = xhci_oper_write,
3365 .valid.min_access_size = 4,
3366 .valid.max_access_size = 4,
3367 .endianness = DEVICE_LITTLE_ENDIAN,
3370 static const MemoryRegionOps xhci_port_ops = {
3371 .read = xhci_port_read,
3372 .write = xhci_port_write,
3373 .valid.min_access_size = 4,
3374 .valid.max_access_size = 4,
3375 .endianness = DEVICE_LITTLE_ENDIAN,
3378 static const MemoryRegionOps xhci_runtime_ops = {
3379 .read = xhci_runtime_read,
3380 .write = xhci_runtime_write,
3381 .valid.min_access_size = 4,
3382 .valid.max_access_size = 4,
3383 .endianness = DEVICE_LITTLE_ENDIAN,
3386 static const MemoryRegionOps xhci_doorbell_ops = {
3387 .read = xhci_doorbell_read,
3388 .write = xhci_doorbell_write,
3389 .valid.min_access_size = 4,
3390 .valid.max_access_size = 4,
3391 .endianness = DEVICE_LITTLE_ENDIAN,
3394 static void xhci_attach(USBPort *usbport)
3396 XHCIState *xhci = usbport->opaque;
3397 XHCIPort *port = xhci_lookup_port(xhci, usbport);
3399 xhci_port_update(port, 0);
3402 static void xhci_detach(USBPort *usbport)
3404 XHCIState *xhci = usbport->opaque;
3405 XHCIPort *port = xhci_lookup_port(xhci, usbport);
3407 xhci_detach_slot(xhci, usbport);
3408 xhci_port_update(port, 1);
3411 static void xhci_wakeup(USBPort *usbport)
3413 XHCIState *xhci = usbport->opaque;
3414 XHCIPort *port = xhci_lookup_port(xhci, usbport);
3416 if (get_field(port->portsc, PORTSC_PLS) != PLS_U3) {
3419 set_field(&port->portsc, PLS_RESUME, PORTSC_PLS);
3420 xhci_port_notify(port, PORTSC_PLC);
3423 static void xhci_complete(USBPort *port, USBPacket *packet)
3425 XHCITransfer *xfer = container_of(packet, XHCITransfer, packet);
3427 if (packet->status == USB_RET_REMOVE_FROM_QUEUE) {
3428 xhci_ep_nuke_one_xfer(xfer, 0);
3431 xhci_complete_packet(xfer);
3432 xhci_kick_ep(xfer->xhci, xfer->slotid, xfer->epid, xfer->streamid);
3435 static void xhci_child_detach(USBPort *uport, USBDevice *child)
3437 USBBus *bus = usb_bus_from_device(child);
3438 XHCIState *xhci = container_of(bus, XHCIState, bus);
3440 xhci_detach_slot(xhci, uport);
3443 static USBPortOps xhci_uport_ops = {
3444 .attach = xhci_attach,
3445 .detach = xhci_detach,
3446 .wakeup = xhci_wakeup,
3447 .complete = xhci_complete,
3448 .child_detach = xhci_child_detach,
3451 static int xhci_find_epid(USBEndpoint *ep)
3456 if (ep->pid == USB_TOKEN_IN) {
3457 return ep->nr * 2 + 1;
3463 static USBEndpoint *xhci_epid_to_usbep(XHCIState *xhci,
3464 unsigned int slotid, unsigned int epid)
3466 assert(slotid >= 1 && slotid <= xhci->numslots);
3468 if (!xhci->slots[slotid - 1].uport) {
3472 return usb_ep_get(xhci->slots[slotid - 1].uport->dev,
3473 (epid & 1) ? USB_TOKEN_IN : USB_TOKEN_OUT, epid >> 1);
3476 static void xhci_wakeup_endpoint(USBBus *bus, USBEndpoint *ep,
3477 unsigned int stream)
3479 XHCIState *xhci = container_of(bus, XHCIState, bus);
3482 DPRINTF("%s\n", __func__);
3483 slotid = ep->dev->addr;
3484 if (slotid == 0 || !xhci->slots[slotid-1].enabled) {
3485 DPRINTF("%s: oops, no slot for dev %d\n", __func__, ep->dev->addr);
3488 xhci_kick_ep(xhci, slotid, xhci_find_epid(ep), stream);
3491 static USBBusOps xhci_bus_ops = {
3492 .wakeup_endpoint = xhci_wakeup_endpoint,
3495 static void usb_xhci_init(XHCIState *xhci)
3497 DeviceState *dev = DEVICE(xhci);
3499 int i, usbports, speedmask;
3501 xhci->usbsts = USBSTS_HCH;
3503 if (xhci->numports_2 > MAXPORTS_2) {
3504 xhci->numports_2 = MAXPORTS_2;
3506 if (xhci->numports_3 > MAXPORTS_3) {
3507 xhci->numports_3 = MAXPORTS_3;
3509 usbports = MAX(xhci->numports_2, xhci->numports_3);
3510 xhci->numports = xhci->numports_2 + xhci->numports_3;
3512 usb_bus_new(&xhci->bus, sizeof(xhci->bus), &xhci_bus_ops, dev);
3514 for (i = 0; i < usbports; i++) {
3516 if (i < xhci->numports_2) {
3517 port = &xhci->ports[i];
3518 port->portnr = i + 1;
3519 port->uport = &xhci->uports[i];
3521 USB_SPEED_MASK_LOW |
3522 USB_SPEED_MASK_FULL |
3523 USB_SPEED_MASK_HIGH;
3524 snprintf(port->name, sizeof(port->name), "usb2 port #%d", i+1);
3525 speedmask |= port->speedmask;
3527 if (i < xhci->numports_3) {
3528 port = &xhci->ports[i + xhci->numports_2];
3529 port->portnr = i + 1 + xhci->numports_2;
3530 port->uport = &xhci->uports[i];
3531 port->speedmask = USB_SPEED_MASK_SUPER;
3532 snprintf(port->name, sizeof(port->name), "usb3 port #%d", i+1);
3533 speedmask |= port->speedmask;
3535 usb_register_port(&xhci->bus, &xhci->uports[i], xhci, i,
3536 &xhci_uport_ops, speedmask);
3540 static int usb_xhci_initfn(struct PCIDevice *dev)
3544 XHCIState *xhci = XHCI(dev);
3546 dev->config[PCI_CLASS_PROG] = 0x30; /* xHCI */
3547 dev->config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin 1 */
3548 dev->config[PCI_CACHE_LINE_SIZE] = 0x10;
3549 dev->config[0x60] = 0x30; /* release number */
3551 usb_xhci_init(xhci);
3553 if (xhci->numintrs > MAXINTRS) {
3554 xhci->numintrs = MAXINTRS;
3556 while (xhci->numintrs & (xhci->numintrs - 1)) { /* ! power of 2 */
3559 if (xhci->numintrs < 1) {
3562 if (xhci->numslots > MAXSLOTS) {
3563 xhci->numslots = MAXSLOTS;
3565 if (xhci->numslots < 1) {
3569 xhci->mfwrap_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, xhci_mfwrap_timer, xhci);
3571 memory_region_init(&xhci->mem, OBJECT(xhci), "xhci", LEN_REGS);
3572 memory_region_init_io(&xhci->mem_cap, OBJECT(xhci), &xhci_cap_ops, xhci,
3573 "capabilities", LEN_CAP);
3574 memory_region_init_io(&xhci->mem_oper, OBJECT(xhci), &xhci_oper_ops, xhci,
3575 "operational", 0x400);
3576 memory_region_init_io(&xhci->mem_runtime, OBJECT(xhci), &xhci_runtime_ops, xhci,
3577 "runtime", LEN_RUNTIME);
3578 memory_region_init_io(&xhci->mem_doorbell, OBJECT(xhci), &xhci_doorbell_ops, xhci,
3579 "doorbell", LEN_DOORBELL);
3581 memory_region_add_subregion(&xhci->mem, 0, &xhci->mem_cap);
3582 memory_region_add_subregion(&xhci->mem, OFF_OPER, &xhci->mem_oper);
3583 memory_region_add_subregion(&xhci->mem, OFF_RUNTIME, &xhci->mem_runtime);
3584 memory_region_add_subregion(&xhci->mem, OFF_DOORBELL, &xhci->mem_doorbell);
3586 for (i = 0; i < xhci->numports; i++) {
3587 XHCIPort *port = &xhci->ports[i];
3588 uint32_t offset = OFF_OPER + 0x400 + 0x10 * i;
3590 memory_region_init_io(&port->mem, OBJECT(xhci), &xhci_port_ops, port,
3592 memory_region_add_subregion(&xhci->mem, offset, &port->mem);
3595 pci_register_bar(dev, 0,
3596 PCI_BASE_ADDRESS_SPACE_MEMORY|PCI_BASE_ADDRESS_MEM_TYPE_64,
3599 ret = pcie_endpoint_cap_init(dev, 0xa0);
3602 if (xhci->flags & (1 << XHCI_FLAG_USE_MSI)) {
3603 msi_init(dev, 0x70, xhci->numintrs, true, false);
3605 if (xhci->flags & (1 << XHCI_FLAG_USE_MSI_X)) {
3606 msix_init(dev, xhci->numintrs,
3607 &xhci->mem, 0, OFF_MSIX_TABLE,
3608 &xhci->mem, 0, OFF_MSIX_PBA,
3615 static int usb_xhci_post_load(void *opaque, int version_id)
3617 XHCIState *xhci = opaque;
3618 PCIDevice *pci_dev = PCI_DEVICE(xhci);
3620 XHCIEPContext *epctx;
3621 dma_addr_t dcbaap, pctx;
3622 uint32_t slot_ctx[4];
3624 int slotid, epid, state, intr;
3626 dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high);
3628 for (slotid = 1; slotid <= xhci->numslots; slotid++) {
3629 slot = &xhci->slots[slotid-1];
3630 if (!slot->addressed) {
3634 xhci_mask64(ldq_le_pci_dma(pci_dev, dcbaap + 8 * slotid));
3635 xhci_dma_read_u32s(xhci, slot->ctx, slot_ctx, sizeof(slot_ctx));
3636 slot->uport = xhci_lookup_uport(xhci, slot_ctx);
3637 assert(slot->uport && slot->uport->dev);
3639 for (epid = 1; epid <= 32; epid++) {
3640 pctx = slot->ctx + 32 * epid;
3641 xhci_dma_read_u32s(xhci, pctx, ep_ctx, sizeof(ep_ctx));
3642 state = ep_ctx[0] & EP_STATE_MASK;
3643 if (state == EP_DISABLED) {
3646 epctx = xhci_alloc_epctx(xhci, slotid, epid);
3647 slot->eps[epid-1] = epctx;
3648 xhci_init_epctx(epctx, pctx, ep_ctx);
3649 epctx->state = state;
3650 if (state == EP_RUNNING) {
3651 /* kick endpoint after vmload is finished */
3652 timer_mod(epctx->kick_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
3657 for (intr = 0; intr < xhci->numintrs; intr++) {
3658 if (xhci->intr[intr].msix_used) {
3659 msix_vector_use(pci_dev, intr);
3661 msix_vector_unuse(pci_dev, intr);
3668 static const VMStateDescription vmstate_xhci_ring = {
3669 .name = "xhci-ring",
3671 .fields = (VMStateField[]) {
3672 VMSTATE_UINT64(dequeue, XHCIRing),
3673 VMSTATE_BOOL(ccs, XHCIRing),
3674 VMSTATE_END_OF_LIST()
3678 static const VMStateDescription vmstate_xhci_port = {
3679 .name = "xhci-port",
3681 .fields = (VMStateField[]) {
3682 VMSTATE_UINT32(portsc, XHCIPort),
3683 VMSTATE_END_OF_LIST()
3687 static const VMStateDescription vmstate_xhci_slot = {
3688 .name = "xhci-slot",
3690 .fields = (VMStateField[]) {
3691 VMSTATE_BOOL(enabled, XHCISlot),
3692 VMSTATE_BOOL(addressed, XHCISlot),
3693 VMSTATE_END_OF_LIST()
3697 static const VMStateDescription vmstate_xhci_event = {
3698 .name = "xhci-event",
3700 .fields = (VMStateField[]) {
3701 VMSTATE_UINT32(type, XHCIEvent),
3702 VMSTATE_UINT32(ccode, XHCIEvent),
3703 VMSTATE_UINT64(ptr, XHCIEvent),
3704 VMSTATE_UINT32(length, XHCIEvent),
3705 VMSTATE_UINT32(flags, XHCIEvent),
3706 VMSTATE_UINT8(slotid, XHCIEvent),
3707 VMSTATE_UINT8(epid, XHCIEvent),
3711 static bool xhci_er_full(void *opaque, int version_id)
3713 struct XHCIInterrupter *intr = opaque;
3714 return intr->er_full;
3717 static const VMStateDescription vmstate_xhci_intr = {
3718 .name = "xhci-intr",
3720 .fields = (VMStateField[]) {
3722 VMSTATE_UINT32(iman, XHCIInterrupter),
3723 VMSTATE_UINT32(imod, XHCIInterrupter),
3724 VMSTATE_UINT32(erstsz, XHCIInterrupter),
3725 VMSTATE_UINT32(erstba_low, XHCIInterrupter),
3726 VMSTATE_UINT32(erstba_high, XHCIInterrupter),
3727 VMSTATE_UINT32(erdp_low, XHCIInterrupter),
3728 VMSTATE_UINT32(erdp_high, XHCIInterrupter),
3731 VMSTATE_BOOL(msix_used, XHCIInterrupter),
3732 VMSTATE_BOOL(er_pcs, XHCIInterrupter),
3733 VMSTATE_UINT64(er_start, XHCIInterrupter),
3734 VMSTATE_UINT32(er_size, XHCIInterrupter),
3735 VMSTATE_UINT32(er_ep_idx, XHCIInterrupter),
3737 /* event queue (used if ring is full) */
3738 VMSTATE_BOOL(er_full, XHCIInterrupter),
3739 VMSTATE_UINT32_TEST(ev_buffer_put, XHCIInterrupter, xhci_er_full),
3740 VMSTATE_UINT32_TEST(ev_buffer_get, XHCIInterrupter, xhci_er_full),
3741 VMSTATE_STRUCT_ARRAY_TEST(ev_buffer, XHCIInterrupter, EV_QUEUE,
3743 vmstate_xhci_event, XHCIEvent),
3745 VMSTATE_END_OF_LIST()
3749 static const VMStateDescription vmstate_xhci = {
3752 .post_load = usb_xhci_post_load,
3753 .fields = (VMStateField[]) {
3754 VMSTATE_PCIE_DEVICE(parent_obj, XHCIState),
3755 VMSTATE_MSIX(parent_obj, XHCIState),
3757 VMSTATE_STRUCT_VARRAY_UINT32(ports, XHCIState, numports, 1,
3758 vmstate_xhci_port, XHCIPort),
3759 VMSTATE_STRUCT_VARRAY_UINT32(slots, XHCIState, numslots, 1,
3760 vmstate_xhci_slot, XHCISlot),
3761 VMSTATE_STRUCT_VARRAY_UINT32(intr, XHCIState, numintrs, 1,
3762 vmstate_xhci_intr, XHCIInterrupter),
3764 /* Operational Registers */
3765 VMSTATE_UINT32(usbcmd, XHCIState),
3766 VMSTATE_UINT32(usbsts, XHCIState),
3767 VMSTATE_UINT32(dnctrl, XHCIState),
3768 VMSTATE_UINT32(crcr_low, XHCIState),
3769 VMSTATE_UINT32(crcr_high, XHCIState),
3770 VMSTATE_UINT32(dcbaap_low, XHCIState),
3771 VMSTATE_UINT32(dcbaap_high, XHCIState),
3772 VMSTATE_UINT32(config, XHCIState),
3774 /* Runtime Registers & state */
3775 VMSTATE_INT64(mfindex_start, XHCIState),
3776 VMSTATE_TIMER(mfwrap_timer, XHCIState),
3777 VMSTATE_STRUCT(cmd_ring, XHCIState, 1, vmstate_xhci_ring, XHCIRing),
3779 VMSTATE_END_OF_LIST()
3783 static Property xhci_properties[] = {
3784 DEFINE_PROP_BIT("msi", XHCIState, flags, XHCI_FLAG_USE_MSI, true),
3785 DEFINE_PROP_BIT("msix", XHCIState, flags, XHCI_FLAG_USE_MSI_X, true),
3786 DEFINE_PROP_UINT32("intrs", XHCIState, numintrs, MAXINTRS),
3787 DEFINE_PROP_UINT32("slots", XHCIState, numslots, MAXSLOTS),
3788 DEFINE_PROP_UINT32("p2", XHCIState, numports_2, 4),
3789 DEFINE_PROP_UINT32("p3", XHCIState, numports_3, 4),
3790 DEFINE_PROP_END_OF_LIST(),
3793 static void xhci_class_init(ObjectClass *klass, void *data)
3795 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
3796 DeviceClass *dc = DEVICE_CLASS(klass);
3798 dc->vmsd = &vmstate_xhci;
3799 dc->props = xhci_properties;
3800 dc->reset = xhci_reset;
3801 dc->hotpluggable = false;
3802 set_bit(DEVICE_CATEGORY_USB, dc->categories);
3803 k->init = usb_xhci_initfn;
3804 k->vendor_id = PCI_VENDOR_ID_NEC;
3805 k->device_id = PCI_DEVICE_ID_NEC_UPD720200;
3806 k->class_id = PCI_CLASS_SERIAL_USB;
3811 static const TypeInfo xhci_info = {
3813 .parent = TYPE_PCI_DEVICE,
3814 .instance_size = sizeof(XHCIState),
3815 .class_init = xhci_class_init,
3818 static void xhci_register_types(void)
3820 type_register_static(&xhci_info);
3823 type_init(xhci_register_types)