2 * USB xHCI controller emulation
4 * Copyright (c) 2011 Securiforest
5 * Date: 2011-05-11 ; Author: Hector Martin <hector@marcansoft.com>
6 * Based on usb-ohci.c, emulates Renesas NEC USB 3.0
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
22 #include "qemu-timer.h"
33 #define DPRINTF(...) fprintf(stderr, __VA_ARGS__)
35 #define DPRINTF(...) do {} while (0)
37 #define FIXME() do { fprintf(stderr, "FIXME %s:%d\n", \
38 __func__, __LINE__); abort(); } while (0)
43 #define MAXPORTS (MAXPORTS_2+MAXPORTS_3)
49 /* Very pessimistic, let's hope it's enough for all cases */
50 #define EV_QUEUE (((3*TD_QUEUE)+16)*MAXSLOTS)
51 /* Do not deliver ER Full events. NEC's driver does some things not bound
52 * to the specs when it gets them */
56 #define LEN_OPER (0x400 + 0x10 * MAXPORTS)
57 #define LEN_RUNTIME ((MAXINTRS + 1) * 0x20)
58 #define LEN_DOORBELL ((MAXSLOTS + 1) * 0x20)
60 #define OFF_OPER LEN_CAP
61 #define OFF_RUNTIME 0x1000
62 #define OFF_DOORBELL 0x2000
63 #define OFF_MSIX_TABLE 0x3000
64 #define OFF_MSIX_PBA 0x3800
65 /* must be power of 2 */
66 #define LEN_REGS 0x4000
68 #if (OFF_OPER + LEN_OPER) > OFF_RUNTIME
69 #error Increase OFF_RUNTIME
71 #if (OFF_RUNTIME + LEN_RUNTIME) > OFF_DOORBELL
72 #error Increase OFF_DOORBELL
74 #if (OFF_DOORBELL + LEN_DOORBELL) > LEN_REGS
75 # error Increase LEN_REGS
79 #define USBCMD_RS (1<<0)
80 #define USBCMD_HCRST (1<<1)
81 #define USBCMD_INTE (1<<2)
82 #define USBCMD_HSEE (1<<3)
83 #define USBCMD_LHCRST (1<<7)
84 #define USBCMD_CSS (1<<8)
85 #define USBCMD_CRS (1<<9)
86 #define USBCMD_EWE (1<<10)
87 #define USBCMD_EU3S (1<<11)
89 #define USBSTS_HCH (1<<0)
90 #define USBSTS_HSE (1<<2)
91 #define USBSTS_EINT (1<<3)
92 #define USBSTS_PCD (1<<4)
93 #define USBSTS_SSS (1<<8)
94 #define USBSTS_RSS (1<<9)
95 #define USBSTS_SRE (1<<10)
96 #define USBSTS_CNR (1<<11)
97 #define USBSTS_HCE (1<<12)
100 #define PORTSC_CCS (1<<0)
101 #define PORTSC_PED (1<<1)
102 #define PORTSC_OCA (1<<3)
103 #define PORTSC_PR (1<<4)
104 #define PORTSC_PLS_SHIFT 5
105 #define PORTSC_PLS_MASK 0xf
106 #define PORTSC_PP (1<<9)
107 #define PORTSC_SPEED_SHIFT 10
108 #define PORTSC_SPEED_MASK 0xf
109 #define PORTSC_SPEED_FULL (1<<10)
110 #define PORTSC_SPEED_LOW (2<<10)
111 #define PORTSC_SPEED_HIGH (3<<10)
112 #define PORTSC_SPEED_SUPER (4<<10)
113 #define PORTSC_PIC_SHIFT 14
114 #define PORTSC_PIC_MASK 0x3
115 #define PORTSC_LWS (1<<16)
116 #define PORTSC_CSC (1<<17)
117 #define PORTSC_PEC (1<<18)
118 #define PORTSC_WRC (1<<19)
119 #define PORTSC_OCC (1<<20)
120 #define PORTSC_PRC (1<<21)
121 #define PORTSC_PLC (1<<22)
122 #define PORTSC_CEC (1<<23)
123 #define PORTSC_CAS (1<<24)
124 #define PORTSC_WCE (1<<25)
125 #define PORTSC_WDE (1<<26)
126 #define PORTSC_WOE (1<<27)
127 #define PORTSC_DR (1<<30)
128 #define PORTSC_WPR (1<<31)
130 #define CRCR_RCS (1<<0)
131 #define CRCR_CS (1<<1)
132 #define CRCR_CA (1<<2)
133 #define CRCR_CRR (1<<3)
135 #define IMAN_IP (1<<0)
136 #define IMAN_IE (1<<1)
138 #define ERDP_EHB (1<<3)
141 typedef struct XHCITRB
{
150 typedef enum TRBType
{
163 CR_CONFIGURE_ENDPOINT
,
171 CR_SET_LATENCY_TOLERANCE
,
172 CR_GET_PORT_BANDWIDTH
,
177 ER_PORT_STATUS_CHANGE
,
178 ER_BANDWIDTH_REQUEST
,
181 ER_DEVICE_NOTIFICATION
,
183 /* vendor specific bits */
184 CR_VENDOR_VIA_CHALLENGE_RESPONSE
= 48,
185 CR_VENDOR_NEC_FIRMWARE_REVISION
= 49,
186 CR_VENDOR_NEC_CHALLENGE_RESPONSE
= 50,
189 #define CR_LINK TR_LINK
191 typedef enum TRBCCode
{
194 CC_DATA_BUFFER_ERROR
,
196 CC_USB_TRANSACTION_ERROR
,
202 CC_INVALID_STREAM_TYPE_ERROR
,
203 CC_SLOT_NOT_ENABLED_ERROR
,
204 CC_EP_NOT_ENABLED_ERROR
,
210 CC_BANDWIDTH_OVERRUN
,
211 CC_CONTEXT_STATE_ERROR
,
212 CC_NO_PING_RESPONSE_ERROR
,
213 CC_EVENT_RING_FULL_ERROR
,
214 CC_INCOMPATIBLE_DEVICE_ERROR
,
215 CC_MISSED_SERVICE_ERROR
,
216 CC_COMMAND_RING_STOPPED
,
219 CC_STOPPED_LENGTH_INVALID
,
220 CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR
= 29,
221 CC_ISOCH_BUFFER_OVERRUN
= 31,
224 CC_INVALID_STREAM_ID_ERROR
,
225 CC_SECONDARY_BANDWIDTH_ERROR
,
226 CC_SPLIT_TRANSACTION_ERROR
230 #define TRB_TYPE_SHIFT 10
231 #define TRB_TYPE_MASK 0x3f
232 #define TRB_TYPE(t) (((t).control >> TRB_TYPE_SHIFT) & TRB_TYPE_MASK)
234 #define TRB_EV_ED (1<<2)
236 #define TRB_TR_ENT (1<<1)
237 #define TRB_TR_ISP (1<<2)
238 #define TRB_TR_NS (1<<3)
239 #define TRB_TR_CH (1<<4)
240 #define TRB_TR_IOC (1<<5)
241 #define TRB_TR_IDT (1<<6)
242 #define TRB_TR_TBC_SHIFT 7
243 #define TRB_TR_TBC_MASK 0x3
244 #define TRB_TR_BEI (1<<9)
245 #define TRB_TR_TLBPC_SHIFT 16
246 #define TRB_TR_TLBPC_MASK 0xf
247 #define TRB_TR_FRAMEID_SHIFT 20
248 #define TRB_TR_FRAMEID_MASK 0x7ff
249 #define TRB_TR_SIA (1<<31)
251 #define TRB_TR_DIR (1<<16)
253 #define TRB_CR_SLOTID_SHIFT 24
254 #define TRB_CR_SLOTID_MASK 0xff
255 #define TRB_CR_EPID_SHIFT 16
256 #define TRB_CR_EPID_MASK 0x1f
258 #define TRB_CR_BSR (1<<9)
259 #define TRB_CR_DC (1<<9)
261 #define TRB_LK_TC (1<<1)
263 #define TRB_INTR_SHIFT 22
264 #define TRB_INTR_MASK 0x3ff
265 #define TRB_INTR(t) (((t).status >> TRB_INTR_SHIFT) & TRB_INTR_MASK)
267 #define EP_TYPE_MASK 0x7
268 #define EP_TYPE_SHIFT 3
270 #define EP_STATE_MASK 0x7
271 #define EP_DISABLED (0<<0)
272 #define EP_RUNNING (1<<0)
273 #define EP_HALTED (2<<0)
274 #define EP_STOPPED (3<<0)
275 #define EP_ERROR (4<<0)
277 #define SLOT_STATE_MASK 0x1f
278 #define SLOT_STATE_SHIFT 27
279 #define SLOT_STATE(s) (((s)>>SLOT_STATE_SHIFT)&SLOT_STATE_MASK)
280 #define SLOT_ENABLED 0
281 #define SLOT_DEFAULT 1
282 #define SLOT_ADDRESSED 2
283 #define SLOT_CONFIGURED 3
285 #define SLOT_CONTEXT_ENTRIES_MASK 0x1f
286 #define SLOT_CONTEXT_ENTRIES_SHIFT 27
288 typedef struct XHCIState XHCIState
;
290 typedef enum EPType
{
301 typedef struct XHCIRing
{
307 typedef struct XHCIPort
{
317 typedef struct XHCITransfer
{
326 unsigned int iso_pkts
;
332 unsigned int trb_count
;
333 unsigned int trb_alloced
;
339 unsigned int pktsize
;
340 unsigned int cur_pkt
;
342 uint64_t mfindex_kick
;
345 typedef struct XHCIEPContext
{
351 unsigned int next_xfer
;
352 unsigned int comp_xfer
;
353 XHCITransfer transfers
[TD_QUEUE
];
357 unsigned int max_psize
;
360 /* iso xfer scheduling */
361 unsigned int interval
;
362 int64_t mfindex_last
;
363 QEMUTimer
*kick_timer
;
366 typedef struct XHCISlot
{
370 unsigned int devaddr
;
371 XHCIEPContext
* eps
[31];
374 typedef struct XHCIEvent
{
384 typedef struct XHCIInterrupter
{
389 uint32_t erstba_high
;
393 bool msix_used
, er_pcs
, er_full
;
397 unsigned int er_ep_idx
;
399 XHCIEvent ev_buffer
[EV_QUEUE
];
400 unsigned int ev_buffer_put
;
401 unsigned int ev_buffer_get
;
410 MemoryRegion mem_cap
;
411 MemoryRegion mem_oper
;
412 MemoryRegion mem_runtime
;
413 MemoryRegion mem_doorbell
;
415 unsigned int devaddr
;
422 /* Operational Registers */
429 uint32_t dcbaap_high
;
432 USBPort uports
[MAX(MAXPORTS_2
, MAXPORTS_3
)];
433 XHCIPort ports
[MAXPORTS
];
434 XHCISlot slots
[MAXSLOTS
];
437 /* Runtime Registers */
438 int64_t mfindex_start
;
439 QEMUTimer
*mfwrap_timer
;
440 XHCIInterrupter intr
[MAXINTRS
];
445 typedef struct XHCIEvRingSeg
{
453 XHCI_FLAG_USE_MSI
= 1,
457 static void xhci_kick_ep(XHCIState
*xhci
, unsigned int slotid
,
459 static void xhci_event(XHCIState
*xhci
, XHCIEvent
*event
, int v
);
460 static void xhci_write_event(XHCIState
*xhci
, XHCIEvent
*event
, int v
);
462 static const char *TRBType_names
[] = {
463 [TRB_RESERVED
] = "TRB_RESERVED",
464 [TR_NORMAL
] = "TR_NORMAL",
465 [TR_SETUP
] = "TR_SETUP",
466 [TR_DATA
] = "TR_DATA",
467 [TR_STATUS
] = "TR_STATUS",
468 [TR_ISOCH
] = "TR_ISOCH",
469 [TR_LINK
] = "TR_LINK",
470 [TR_EVDATA
] = "TR_EVDATA",
471 [TR_NOOP
] = "TR_NOOP",
472 [CR_ENABLE_SLOT
] = "CR_ENABLE_SLOT",
473 [CR_DISABLE_SLOT
] = "CR_DISABLE_SLOT",
474 [CR_ADDRESS_DEVICE
] = "CR_ADDRESS_DEVICE",
475 [CR_CONFIGURE_ENDPOINT
] = "CR_CONFIGURE_ENDPOINT",
476 [CR_EVALUATE_CONTEXT
] = "CR_EVALUATE_CONTEXT",
477 [CR_RESET_ENDPOINT
] = "CR_RESET_ENDPOINT",
478 [CR_STOP_ENDPOINT
] = "CR_STOP_ENDPOINT",
479 [CR_SET_TR_DEQUEUE
] = "CR_SET_TR_DEQUEUE",
480 [CR_RESET_DEVICE
] = "CR_RESET_DEVICE",
481 [CR_FORCE_EVENT
] = "CR_FORCE_EVENT",
482 [CR_NEGOTIATE_BW
] = "CR_NEGOTIATE_BW",
483 [CR_SET_LATENCY_TOLERANCE
] = "CR_SET_LATENCY_TOLERANCE",
484 [CR_GET_PORT_BANDWIDTH
] = "CR_GET_PORT_BANDWIDTH",
485 [CR_FORCE_HEADER
] = "CR_FORCE_HEADER",
486 [CR_NOOP
] = "CR_NOOP",
487 [ER_TRANSFER
] = "ER_TRANSFER",
488 [ER_COMMAND_COMPLETE
] = "ER_COMMAND_COMPLETE",
489 [ER_PORT_STATUS_CHANGE
] = "ER_PORT_STATUS_CHANGE",
490 [ER_BANDWIDTH_REQUEST
] = "ER_BANDWIDTH_REQUEST",
491 [ER_DOORBELL
] = "ER_DOORBELL",
492 [ER_HOST_CONTROLLER
] = "ER_HOST_CONTROLLER",
493 [ER_DEVICE_NOTIFICATION
] = "ER_DEVICE_NOTIFICATION",
494 [ER_MFINDEX_WRAP
] = "ER_MFINDEX_WRAP",
495 [CR_VENDOR_VIA_CHALLENGE_RESPONSE
] = "CR_VENDOR_VIA_CHALLENGE_RESPONSE",
496 [CR_VENDOR_NEC_FIRMWARE_REVISION
] = "CR_VENDOR_NEC_FIRMWARE_REVISION",
497 [CR_VENDOR_NEC_CHALLENGE_RESPONSE
] = "CR_VENDOR_NEC_CHALLENGE_RESPONSE",
500 static const char *TRBCCode_names
[] = {
501 [CC_INVALID
] = "CC_INVALID",
502 [CC_SUCCESS
] = "CC_SUCCESS",
503 [CC_DATA_BUFFER_ERROR
] = "CC_DATA_BUFFER_ERROR",
504 [CC_BABBLE_DETECTED
] = "CC_BABBLE_DETECTED",
505 [CC_USB_TRANSACTION_ERROR
] = "CC_USB_TRANSACTION_ERROR",
506 [CC_TRB_ERROR
] = "CC_TRB_ERROR",
507 [CC_STALL_ERROR
] = "CC_STALL_ERROR",
508 [CC_RESOURCE_ERROR
] = "CC_RESOURCE_ERROR",
509 [CC_BANDWIDTH_ERROR
] = "CC_BANDWIDTH_ERROR",
510 [CC_NO_SLOTS_ERROR
] = "CC_NO_SLOTS_ERROR",
511 [CC_INVALID_STREAM_TYPE_ERROR
] = "CC_INVALID_STREAM_TYPE_ERROR",
512 [CC_SLOT_NOT_ENABLED_ERROR
] = "CC_SLOT_NOT_ENABLED_ERROR",
513 [CC_EP_NOT_ENABLED_ERROR
] = "CC_EP_NOT_ENABLED_ERROR",
514 [CC_SHORT_PACKET
] = "CC_SHORT_PACKET",
515 [CC_RING_UNDERRUN
] = "CC_RING_UNDERRUN",
516 [CC_RING_OVERRUN
] = "CC_RING_OVERRUN",
517 [CC_VF_ER_FULL
] = "CC_VF_ER_FULL",
518 [CC_PARAMETER_ERROR
] = "CC_PARAMETER_ERROR",
519 [CC_BANDWIDTH_OVERRUN
] = "CC_BANDWIDTH_OVERRUN",
520 [CC_CONTEXT_STATE_ERROR
] = "CC_CONTEXT_STATE_ERROR",
521 [CC_NO_PING_RESPONSE_ERROR
] = "CC_NO_PING_RESPONSE_ERROR",
522 [CC_EVENT_RING_FULL_ERROR
] = "CC_EVENT_RING_FULL_ERROR",
523 [CC_INCOMPATIBLE_DEVICE_ERROR
] = "CC_INCOMPATIBLE_DEVICE_ERROR",
524 [CC_MISSED_SERVICE_ERROR
] = "CC_MISSED_SERVICE_ERROR",
525 [CC_COMMAND_RING_STOPPED
] = "CC_COMMAND_RING_STOPPED",
526 [CC_COMMAND_ABORTED
] = "CC_COMMAND_ABORTED",
527 [CC_STOPPED
] = "CC_STOPPED",
528 [CC_STOPPED_LENGTH_INVALID
] = "CC_STOPPED_LENGTH_INVALID",
529 [CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR
]
530 = "CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR",
531 [CC_ISOCH_BUFFER_OVERRUN
] = "CC_ISOCH_BUFFER_OVERRUN",
532 [CC_EVENT_LOST_ERROR
] = "CC_EVENT_LOST_ERROR",
533 [CC_UNDEFINED_ERROR
] = "CC_UNDEFINED_ERROR",
534 [CC_INVALID_STREAM_ID_ERROR
] = "CC_INVALID_STREAM_ID_ERROR",
535 [CC_SECONDARY_BANDWIDTH_ERROR
] = "CC_SECONDARY_BANDWIDTH_ERROR",
536 [CC_SPLIT_TRANSACTION_ERROR
] = "CC_SPLIT_TRANSACTION_ERROR",
539 static const char *lookup_name(uint32_t index
, const char **list
, uint32_t llen
)
541 if (index
>= llen
|| list
[index
] == NULL
) {
547 static const char *trb_name(XHCITRB
*trb
)
549 return lookup_name(TRB_TYPE(*trb
), TRBType_names
,
550 ARRAY_SIZE(TRBType_names
));
553 static const char *event_name(XHCIEvent
*event
)
555 return lookup_name(event
->ccode
, TRBCCode_names
,
556 ARRAY_SIZE(TRBCCode_names
));
559 static uint64_t xhci_mfindex_get(XHCIState
*xhci
)
561 int64_t now
= qemu_get_clock_ns(vm_clock
);
562 return (now
- xhci
->mfindex_start
) / 125000;
565 static void xhci_mfwrap_update(XHCIState
*xhci
)
567 const uint32_t bits
= USBCMD_RS
| USBCMD_EWE
;
568 uint32_t mfindex
, left
;
571 if ((xhci
->usbcmd
& bits
) == bits
) {
572 now
= qemu_get_clock_ns(vm_clock
);
573 mfindex
= ((now
- xhci
->mfindex_start
) / 125000) & 0x3fff;
574 left
= 0x4000 - mfindex
;
575 qemu_mod_timer(xhci
->mfwrap_timer
, now
+ left
* 125000);
577 qemu_del_timer(xhci
->mfwrap_timer
);
581 static void xhci_mfwrap_timer(void *opaque
)
583 XHCIState
*xhci
= opaque
;
584 XHCIEvent wrap
= { ER_MFINDEX_WRAP
, CC_SUCCESS
};
586 xhci_event(xhci
, &wrap
, 0);
587 xhci_mfwrap_update(xhci
);
590 static inline dma_addr_t
xhci_addr64(uint32_t low
, uint32_t high
)
592 if (sizeof(dma_addr_t
) == 4) {
595 return low
| (((dma_addr_t
)high
<< 16) << 16);
599 static inline dma_addr_t
xhci_mask64(uint64_t addr
)
601 if (sizeof(dma_addr_t
) == 4) {
602 return addr
& 0xffffffff;
608 static XHCIPort
*xhci_lookup_port(XHCIState
*xhci
, struct USBPort
*uport
)
615 switch (uport
->dev
->speed
) {
619 index
= uport
->index
;
621 case USB_SPEED_SUPER
:
622 index
= uport
->index
+ xhci
->numports_2
;
627 return &xhci
->ports
[index
];
630 static void xhci_intx_update(XHCIState
*xhci
)
634 if (msix_enabled(&xhci
->pci_dev
) ||
635 msi_enabled(&xhci
->pci_dev
)) {
639 if (xhci
->intr
[0].iman
& IMAN_IP
&&
640 xhci
->intr
[0].iman
& IMAN_IE
&&
641 xhci
->usbcmd
& USBCMD_INTE
) {
645 trace_usb_xhci_irq_intx(level
);
646 qemu_set_irq(xhci
->irq
, level
);
649 static void xhci_msix_update(XHCIState
*xhci
, int v
)
653 if (!msix_enabled(&xhci
->pci_dev
)) {
657 enabled
= xhci
->intr
[v
].iman
& IMAN_IE
;
658 if (enabled
== xhci
->intr
[v
].msix_used
) {
663 trace_usb_xhci_irq_msix_use(v
);
664 msix_vector_use(&xhci
->pci_dev
, v
);
665 xhci
->intr
[v
].msix_used
= true;
667 trace_usb_xhci_irq_msix_unuse(v
);
668 msix_vector_unuse(&xhci
->pci_dev
, v
);
669 xhci
->intr
[v
].msix_used
= false;
673 static void xhci_intr_raise(XHCIState
*xhci
, int v
)
675 xhci
->intr
[v
].erdp_low
|= ERDP_EHB
;
676 xhci
->intr
[v
].iman
|= IMAN_IP
;
677 xhci
->usbsts
|= USBSTS_EINT
;
679 if (!(xhci
->intr
[v
].iman
& IMAN_IE
)) {
683 if (!(xhci
->usbcmd
& USBCMD_INTE
)) {
687 if (msix_enabled(&xhci
->pci_dev
)) {
688 trace_usb_xhci_irq_msix(v
);
689 msix_notify(&xhci
->pci_dev
, v
);
693 if (msi_enabled(&xhci
->pci_dev
)) {
694 trace_usb_xhci_irq_msi(v
);
695 msi_notify(&xhci
->pci_dev
, v
);
700 trace_usb_xhci_irq_intx(1);
701 qemu_set_irq(xhci
->irq
, 1);
705 static inline int xhci_running(XHCIState
*xhci
)
707 return !(xhci
->usbsts
& USBSTS_HCH
) && !xhci
->intr
[0].er_full
;
710 static void xhci_die(XHCIState
*xhci
)
712 xhci
->usbsts
|= USBSTS_HCE
;
713 fprintf(stderr
, "xhci: asserted controller error\n");
716 static void xhci_write_event(XHCIState
*xhci
, XHCIEvent
*event
, int v
)
718 XHCIInterrupter
*intr
= &xhci
->intr
[v
];
722 ev_trb
.parameter
= cpu_to_le64(event
->ptr
);
723 ev_trb
.status
= cpu_to_le32(event
->length
| (event
->ccode
<< 24));
724 ev_trb
.control
= (event
->slotid
<< 24) | (event
->epid
<< 16) |
725 event
->flags
| (event
->type
<< TRB_TYPE_SHIFT
);
727 ev_trb
.control
|= TRB_C
;
729 ev_trb
.control
= cpu_to_le32(ev_trb
.control
);
731 trace_usb_xhci_queue_event(v
, intr
->er_ep_idx
, trb_name(&ev_trb
),
732 event_name(event
), ev_trb
.parameter
,
733 ev_trb
.status
, ev_trb
.control
);
735 addr
= intr
->er_start
+ TRB_SIZE
*intr
->er_ep_idx
;
736 pci_dma_write(&xhci
->pci_dev
, addr
, &ev_trb
, TRB_SIZE
);
739 if (intr
->er_ep_idx
>= intr
->er_size
) {
741 intr
->er_pcs
= !intr
->er_pcs
;
745 static void xhci_events_update(XHCIState
*xhci
, int v
)
747 XHCIInterrupter
*intr
= &xhci
->intr
[v
];
752 if (xhci
->usbsts
& USBSTS_HCH
) {
756 erdp
= xhci_addr64(intr
->erdp_low
, intr
->erdp_high
);
757 if (erdp
< intr
->er_start
||
758 erdp
>= (intr
->er_start
+ TRB_SIZE
*intr
->er_size
)) {
759 fprintf(stderr
, "xhci: ERDP out of bounds: "DMA_ADDR_FMT
"\n", erdp
);
760 fprintf(stderr
, "xhci: ER[%d] at "DMA_ADDR_FMT
" len %d\n",
761 v
, intr
->er_start
, intr
->er_size
);
765 dp_idx
= (erdp
- intr
->er_start
) / TRB_SIZE
;
766 assert(dp_idx
< intr
->er_size
);
768 /* NEC didn't read section 4.9.4 of the spec (v1.0 p139 top Note) and thus
769 * deadlocks when the ER is full. Hack it by holding off events until
770 * the driver decides to free at least half of the ring */
772 int er_free
= dp_idx
- intr
->er_ep_idx
;
774 er_free
+= intr
->er_size
;
776 if (er_free
< (intr
->er_size
/2)) {
777 DPRINTF("xhci_events_update(): event ring still "
778 "more than half full (hack)\n");
783 while (intr
->ev_buffer_put
!= intr
->ev_buffer_get
) {
784 assert(intr
->er_full
);
785 if (((intr
->er_ep_idx
+1) % intr
->er_size
) == dp_idx
) {
786 DPRINTF("xhci_events_update(): event ring full again\n");
788 XHCIEvent full
= {ER_HOST_CONTROLLER
, CC_EVENT_RING_FULL_ERROR
};
789 xhci_write_event(xhci
, &full
, v
);
794 XHCIEvent
*event
= &intr
->ev_buffer
[intr
->ev_buffer_get
];
795 xhci_write_event(xhci
, event
, v
);
796 intr
->ev_buffer_get
++;
798 if (intr
->ev_buffer_get
== EV_QUEUE
) {
799 intr
->ev_buffer_get
= 0;
804 xhci_intr_raise(xhci
, v
);
807 if (intr
->er_full
&& intr
->ev_buffer_put
== intr
->ev_buffer_get
) {
808 DPRINTF("xhci_events_update(): event ring no longer full\n");
813 static void xhci_event(XHCIState
*xhci
, XHCIEvent
*event
, int v
)
815 XHCIInterrupter
*intr
;
820 DPRINTF("intr nr out of range (%d >= %d)\n", v
, MAXINTRS
);
823 intr
= &xhci
->intr
[v
];
826 DPRINTF("xhci_event(): ER full, queueing\n");
827 if (((intr
->ev_buffer_put
+1) % EV_QUEUE
) == intr
->ev_buffer_get
) {
828 fprintf(stderr
, "xhci: event queue full, dropping event!\n");
831 intr
->ev_buffer
[intr
->ev_buffer_put
++] = *event
;
832 if (intr
->ev_buffer_put
== EV_QUEUE
) {
833 intr
->ev_buffer_put
= 0;
838 erdp
= xhci_addr64(intr
->erdp_low
, intr
->erdp_high
);
839 if (erdp
< intr
->er_start
||
840 erdp
>= (intr
->er_start
+ TRB_SIZE
*intr
->er_size
)) {
841 fprintf(stderr
, "xhci: ERDP out of bounds: "DMA_ADDR_FMT
"\n", erdp
);
842 fprintf(stderr
, "xhci: ER[%d] at "DMA_ADDR_FMT
" len %d\n",
843 v
, intr
->er_start
, intr
->er_size
);
848 dp_idx
= (erdp
- intr
->er_start
) / TRB_SIZE
;
849 assert(dp_idx
< intr
->er_size
);
851 if ((intr
->er_ep_idx
+1) % intr
->er_size
== dp_idx
) {
852 DPRINTF("xhci_event(): ER full, queueing\n");
854 XHCIEvent full
= {ER_HOST_CONTROLLER
, CC_EVENT_RING_FULL_ERROR
};
855 xhci_write_event(xhci
, &full
);
858 if (((intr
->ev_buffer_put
+1) % EV_QUEUE
) == intr
->ev_buffer_get
) {
859 fprintf(stderr
, "xhci: event queue full, dropping event!\n");
862 intr
->ev_buffer
[intr
->ev_buffer_put
++] = *event
;
863 if (intr
->ev_buffer_put
== EV_QUEUE
) {
864 intr
->ev_buffer_put
= 0;
867 xhci_write_event(xhci
, event
, v
);
870 xhci_intr_raise(xhci
, v
);
873 static void xhci_ring_init(XHCIState
*xhci
, XHCIRing
*ring
,
877 ring
->dequeue
= base
;
881 static TRBType
xhci_ring_fetch(XHCIState
*xhci
, XHCIRing
*ring
, XHCITRB
*trb
,
886 pci_dma_read(&xhci
->pci_dev
, ring
->dequeue
, trb
, TRB_SIZE
);
887 trb
->addr
= ring
->dequeue
;
888 trb
->ccs
= ring
->ccs
;
889 le64_to_cpus(&trb
->parameter
);
890 le32_to_cpus(&trb
->status
);
891 le32_to_cpus(&trb
->control
);
893 trace_usb_xhci_fetch_trb(ring
->dequeue
, trb_name(trb
),
894 trb
->parameter
, trb
->status
, trb
->control
);
896 if ((trb
->control
& TRB_C
) != ring
->ccs
) {
900 type
= TRB_TYPE(*trb
);
902 if (type
!= TR_LINK
) {
904 *addr
= ring
->dequeue
;
906 ring
->dequeue
+= TRB_SIZE
;
909 ring
->dequeue
= xhci_mask64(trb
->parameter
);
910 if (trb
->control
& TRB_LK_TC
) {
911 ring
->ccs
= !ring
->ccs
;
917 static int xhci_ring_chain_length(XHCIState
*xhci
, const XHCIRing
*ring
)
921 dma_addr_t dequeue
= ring
->dequeue
;
922 bool ccs
= ring
->ccs
;
923 /* hack to bundle together the two/three TDs that make a setup transfer */
924 bool control_td_set
= 0;
928 pci_dma_read(&xhci
->pci_dev
, dequeue
, &trb
, TRB_SIZE
);
929 le64_to_cpus(&trb
.parameter
);
930 le32_to_cpus(&trb
.status
);
931 le32_to_cpus(&trb
.control
);
933 if ((trb
.control
& TRB_C
) != ccs
) {
937 type
= TRB_TYPE(trb
);
939 if (type
== TR_LINK
) {
940 dequeue
= xhci_mask64(trb
.parameter
);
941 if (trb
.control
& TRB_LK_TC
) {
950 if (type
== TR_SETUP
) {
952 } else if (type
== TR_STATUS
) {
956 if (!control_td_set
&& !(trb
.control
& TRB_TR_CH
)) {
962 static void xhci_er_reset(XHCIState
*xhci
, int v
)
964 XHCIInterrupter
*intr
= &xhci
->intr
[v
];
967 if (intr
->erstsz
== 0) {
973 /* cache the (sole) event ring segment location */
974 if (intr
->erstsz
!= 1) {
975 fprintf(stderr
, "xhci: invalid value for ERSTSZ: %d\n", intr
->erstsz
);
979 dma_addr_t erstba
= xhci_addr64(intr
->erstba_low
, intr
->erstba_high
);
980 pci_dma_read(&xhci
->pci_dev
, erstba
, &seg
, sizeof(seg
));
981 le32_to_cpus(&seg
.addr_low
);
982 le32_to_cpus(&seg
.addr_high
);
983 le32_to_cpus(&seg
.size
);
984 if (seg
.size
< 16 || seg
.size
> 4096) {
985 fprintf(stderr
, "xhci: invalid value for segment size: %d\n", seg
.size
);
989 intr
->er_start
= xhci_addr64(seg
.addr_low
, seg
.addr_high
);
990 intr
->er_size
= seg
.size
;
996 DPRINTF("xhci: event ring[%d]:" DMA_ADDR_FMT
" [%d]\n",
997 v
, intr
->er_start
, intr
->er_size
);
1000 static void xhci_run(XHCIState
*xhci
)
1002 trace_usb_xhci_run();
1003 xhci
->usbsts
&= ~USBSTS_HCH
;
1004 xhci
->mfindex_start
= qemu_get_clock_ns(vm_clock
);
1007 static void xhci_stop(XHCIState
*xhci
)
1009 trace_usb_xhci_stop();
1010 xhci
->usbsts
|= USBSTS_HCH
;
1011 xhci
->crcr_low
&= ~CRCR_CRR
;
1014 static void xhci_set_ep_state(XHCIState
*xhci
, XHCIEPContext
*epctx
,
1019 pci_dma_read(&xhci
->pci_dev
, epctx
->pctx
, ctx
, sizeof(ctx
));
1020 ctx
[0] &= ~EP_STATE_MASK
;
1022 ctx
[2] = epctx
->ring
.dequeue
| epctx
->ring
.ccs
;
1023 ctx
[3] = (epctx
->ring
.dequeue
>> 16) >> 16;
1024 DPRINTF("xhci: set epctx: " DMA_ADDR_FMT
" state=%d dequeue=%08x%08x\n",
1025 epctx
->pctx
, state
, ctx
[3], ctx
[2]);
1026 pci_dma_write(&xhci
->pci_dev
, epctx
->pctx
, ctx
, sizeof(ctx
));
1027 epctx
->state
= state
;
1030 static void xhci_ep_kick_timer(void *opaque
)
1032 XHCIEPContext
*epctx
= opaque
;
1033 xhci_kick_ep(epctx
->xhci
, epctx
->slotid
, epctx
->epid
);
1036 static TRBCCode
xhci_enable_ep(XHCIState
*xhci
, unsigned int slotid
,
1037 unsigned int epid
, dma_addr_t pctx
,
1041 XHCIEPContext
*epctx
;
1045 trace_usb_xhci_ep_enable(slotid
, epid
);
1046 assert(slotid
>= 1 && slotid
<= MAXSLOTS
);
1047 assert(epid
>= 1 && epid
<= 31);
1049 slot
= &xhci
->slots
[slotid
-1];
1050 if (slot
->eps
[epid
-1]) {
1051 fprintf(stderr
, "xhci: slot %d ep %d already enabled!\n", slotid
, epid
);
1052 return CC_TRB_ERROR
;
1055 epctx
= g_malloc(sizeof(XHCIEPContext
));
1056 memset(epctx
, 0, sizeof(XHCIEPContext
));
1058 epctx
->slotid
= slotid
;
1061 slot
->eps
[epid
-1] = epctx
;
1063 dequeue
= xhci_addr64(ctx
[2] & ~0xf, ctx
[3]);
1064 xhci_ring_init(xhci
, &epctx
->ring
, dequeue
);
1065 epctx
->ring
.ccs
= ctx
[2] & 1;
1067 epctx
->type
= (ctx
[1] >> EP_TYPE_SHIFT
) & EP_TYPE_MASK
;
1068 DPRINTF("xhci: endpoint %d.%d type is %d\n", epid
/2, epid
%2, epctx
->type
);
1070 epctx
->max_psize
= ctx
[1]>>16;
1071 epctx
->max_psize
*= 1+((ctx
[1]>>8)&0xff);
1072 DPRINTF("xhci: endpoint %d.%d max transaction (burst) size is %d\n",
1073 epid
/2, epid
%2, epctx
->max_psize
);
1074 for (i
= 0; i
< ARRAY_SIZE(epctx
->transfers
); i
++) {
1075 usb_packet_init(&epctx
->transfers
[i
].packet
);
1078 epctx
->interval
= 1 << (ctx
[0] >> 16) & 0xff;
1079 epctx
->mfindex_last
= 0;
1080 epctx
->kick_timer
= qemu_new_timer_ns(vm_clock
, xhci_ep_kick_timer
, epctx
);
1082 epctx
->state
= EP_RUNNING
;
1083 ctx
[0] &= ~EP_STATE_MASK
;
1084 ctx
[0] |= EP_RUNNING
;
1089 static int xhci_ep_nuke_one_xfer(XHCITransfer
*t
)
1093 if (t
->running_async
) {
1094 usb_cancel_packet(&t
->packet
);
1095 t
->running_async
= 0;
1097 DPRINTF("xhci: cancelling transfer, waiting for it to complete\n");
1100 if (t
->running_retry
) {
1101 XHCIEPContext
*epctx
= t
->xhci
->slots
[t
->slotid
-1].eps
[t
->epid
-1];
1103 epctx
->retry
= NULL
;
1104 qemu_del_timer(epctx
->kick_timer
);
1106 t
->running_retry
= 0;
1113 t
->trb_count
= t
->trb_alloced
= 0;
1118 static int xhci_ep_nuke_xfers(XHCIState
*xhci
, unsigned int slotid
,
1122 XHCIEPContext
*epctx
;
1123 int i
, xferi
, killed
= 0;
1124 assert(slotid
>= 1 && slotid
<= MAXSLOTS
);
1125 assert(epid
>= 1 && epid
<= 31);
1127 DPRINTF("xhci_ep_nuke_xfers(%d, %d)\n", slotid
, epid
);
1129 slot
= &xhci
->slots
[slotid
-1];
1131 if (!slot
->eps
[epid
-1]) {
1135 epctx
= slot
->eps
[epid
-1];
1137 xferi
= epctx
->next_xfer
;
1138 for (i
= 0; i
< TD_QUEUE
; i
++) {
1139 killed
+= xhci_ep_nuke_one_xfer(&epctx
->transfers
[xferi
]);
1140 xferi
= (xferi
+ 1) % TD_QUEUE
;
1145 static TRBCCode
xhci_disable_ep(XHCIState
*xhci
, unsigned int slotid
,
1149 XHCIEPContext
*epctx
;
1151 trace_usb_xhci_ep_disable(slotid
, epid
);
1152 assert(slotid
>= 1 && slotid
<= MAXSLOTS
);
1153 assert(epid
>= 1 && epid
<= 31);
1155 slot
= &xhci
->slots
[slotid
-1];
1157 if (!slot
->eps
[epid
-1]) {
1158 DPRINTF("xhci: slot %d ep %d already disabled\n", slotid
, epid
);
1162 xhci_ep_nuke_xfers(xhci
, slotid
, epid
);
1164 epctx
= slot
->eps
[epid
-1];
1166 xhci_set_ep_state(xhci
, epctx
, EP_DISABLED
);
1168 qemu_free_timer(epctx
->kick_timer
);
1170 slot
->eps
[epid
-1] = NULL
;
1175 static TRBCCode
xhci_stop_ep(XHCIState
*xhci
, unsigned int slotid
,
1179 XHCIEPContext
*epctx
;
1181 trace_usb_xhci_ep_stop(slotid
, epid
);
1182 assert(slotid
>= 1 && slotid
<= MAXSLOTS
);
1184 if (epid
< 1 || epid
> 31) {
1185 fprintf(stderr
, "xhci: bad ep %d\n", epid
);
1186 return CC_TRB_ERROR
;
1189 slot
= &xhci
->slots
[slotid
-1];
1191 if (!slot
->eps
[epid
-1]) {
1192 DPRINTF("xhci: slot %d ep %d not enabled\n", slotid
, epid
);
1193 return CC_EP_NOT_ENABLED_ERROR
;
1196 if (xhci_ep_nuke_xfers(xhci
, slotid
, epid
) > 0) {
1197 fprintf(stderr
, "xhci: FIXME: endpoint stopped w/ xfers running, "
1198 "data might be lost\n");
1201 epctx
= slot
->eps
[epid
-1];
1203 xhci_set_ep_state(xhci
, epctx
, EP_STOPPED
);
1208 static TRBCCode
xhci_reset_ep(XHCIState
*xhci
, unsigned int slotid
,
1212 XHCIEPContext
*epctx
;
1215 trace_usb_xhci_ep_reset(slotid
, epid
);
1216 assert(slotid
>= 1 && slotid
<= MAXSLOTS
);
1218 if (epid
< 1 || epid
> 31) {
1219 fprintf(stderr
, "xhci: bad ep %d\n", epid
);
1220 return CC_TRB_ERROR
;
1223 slot
= &xhci
->slots
[slotid
-1];
1225 if (!slot
->eps
[epid
-1]) {
1226 DPRINTF("xhci: slot %d ep %d not enabled\n", slotid
, epid
);
1227 return CC_EP_NOT_ENABLED_ERROR
;
1230 epctx
= slot
->eps
[epid
-1];
1232 if (epctx
->state
!= EP_HALTED
) {
1233 fprintf(stderr
, "xhci: reset EP while EP %d not halted (%d)\n",
1234 epid
, epctx
->state
);
1235 return CC_CONTEXT_STATE_ERROR
;
1238 if (xhci_ep_nuke_xfers(xhci
, slotid
, epid
) > 0) {
1239 fprintf(stderr
, "xhci: FIXME: endpoint reset w/ xfers running, "
1240 "data might be lost\n");
1243 uint8_t ep
= epid
>>1;
1249 dev
= xhci
->slots
[slotid
-1].uport
->dev
;
1251 return CC_USB_TRANSACTION_ERROR
;
1254 xhci_set_ep_state(xhci
, epctx
, EP_STOPPED
);
1259 static TRBCCode
xhci_set_ep_dequeue(XHCIState
*xhci
, unsigned int slotid
,
1260 unsigned int epid
, uint64_t pdequeue
)
1263 XHCIEPContext
*epctx
;
1266 assert(slotid
>= 1 && slotid
<= MAXSLOTS
);
1268 if (epid
< 1 || epid
> 31) {
1269 fprintf(stderr
, "xhci: bad ep %d\n", epid
);
1270 return CC_TRB_ERROR
;
1273 trace_usb_xhci_ep_set_dequeue(slotid
, epid
, pdequeue
);
1274 dequeue
= xhci_mask64(pdequeue
);
1276 slot
= &xhci
->slots
[slotid
-1];
1278 if (!slot
->eps
[epid
-1]) {
1279 DPRINTF("xhci: slot %d ep %d not enabled\n", slotid
, epid
);
1280 return CC_EP_NOT_ENABLED_ERROR
;
1283 epctx
= slot
->eps
[epid
-1];
1286 if (epctx
->state
!= EP_STOPPED
) {
1287 fprintf(stderr
, "xhci: set EP dequeue pointer while EP %d not stopped\n", epid
);
1288 return CC_CONTEXT_STATE_ERROR
;
1291 xhci_ring_init(xhci
, &epctx
->ring
, dequeue
& ~0xF);
1292 epctx
->ring
.ccs
= dequeue
& 1;
1294 xhci_set_ep_state(xhci
, epctx
, EP_STOPPED
);
1299 static int xhci_xfer_create_sgl(XHCITransfer
*xfer
, int in_xfer
)
1301 XHCIState
*xhci
= xfer
->xhci
;
1304 xfer
->int_req
= false;
1305 pci_dma_sglist_init(&xfer
->sgl
, &xhci
->pci_dev
, xfer
->trb_count
);
1306 for (i
= 0; i
< xfer
->trb_count
; i
++) {
1307 XHCITRB
*trb
= &xfer
->trbs
[i
];
1309 unsigned int chunk
= 0;
1311 if (trb
->control
& TRB_TR_IOC
) {
1312 xfer
->int_req
= true;
1315 switch (TRB_TYPE(*trb
)) {
1317 if ((!(trb
->control
& TRB_TR_DIR
)) != (!in_xfer
)) {
1318 fprintf(stderr
, "xhci: data direction mismatch for TR_DATA\n");
1324 addr
= xhci_mask64(trb
->parameter
);
1325 chunk
= trb
->status
& 0x1ffff;
1326 if (trb
->control
& TRB_TR_IDT
) {
1327 if (chunk
> 8 || in_xfer
) {
1328 fprintf(stderr
, "xhci: invalid immediate data TRB\n");
1331 qemu_sglist_add(&xfer
->sgl
, trb
->addr
, chunk
);
1333 qemu_sglist_add(&xfer
->sgl
, addr
, chunk
);
1342 qemu_sglist_destroy(&xfer
->sgl
);
1347 static void xhci_xfer_unmap(XHCITransfer
*xfer
)
1349 usb_packet_unmap(&xfer
->packet
, &xfer
->sgl
);
1350 qemu_sglist_destroy(&xfer
->sgl
);
1353 static void xhci_xfer_report(XHCITransfer
*xfer
)
1359 XHCIEvent event
= {ER_TRANSFER
, CC_SUCCESS
};
1360 XHCIState
*xhci
= xfer
->xhci
;
1363 left
= xfer
->packet
.result
< 0 ? 0 : xfer
->packet
.result
;
1365 for (i
= 0; i
< xfer
->trb_count
; i
++) {
1366 XHCITRB
*trb
= &xfer
->trbs
[i
];
1367 unsigned int chunk
= 0;
1369 switch (TRB_TYPE(*trb
)) {
1373 chunk
= trb
->status
& 0x1ffff;
1376 if (xfer
->status
== CC_SUCCESS
) {
1389 if (!reported
&& ((trb
->control
& TRB_TR_IOC
) ||
1390 (shortpkt
&& (trb
->control
& TRB_TR_ISP
)) ||
1391 (xfer
->status
!= CC_SUCCESS
))) {
1392 event
.slotid
= xfer
->slotid
;
1393 event
.epid
= xfer
->epid
;
1394 event
.length
= (trb
->status
& 0x1ffff) - chunk
;
1396 event
.ptr
= trb
->addr
;
1397 if (xfer
->status
== CC_SUCCESS
) {
1398 event
.ccode
= shortpkt
? CC_SHORT_PACKET
: CC_SUCCESS
;
1400 event
.ccode
= xfer
->status
;
1402 if (TRB_TYPE(*trb
) == TR_EVDATA
) {
1403 event
.ptr
= trb
->parameter
;
1404 event
.flags
|= TRB_EV_ED
;
1405 event
.length
= edtla
& 0xffffff;
1406 DPRINTF("xhci_xfer_data: EDTLA=%d\n", event
.length
);
1409 xhci_event(xhci
, &event
, TRB_INTR(*trb
));
1411 if (xfer
->status
!= CC_SUCCESS
) {
1418 static void xhci_stall_ep(XHCITransfer
*xfer
)
1420 XHCIState
*xhci
= xfer
->xhci
;
1421 XHCISlot
*slot
= &xhci
->slots
[xfer
->slotid
-1];
1422 XHCIEPContext
*epctx
= slot
->eps
[xfer
->epid
-1];
1424 epctx
->ring
.dequeue
= xfer
->trbs
[0].addr
;
1425 epctx
->ring
.ccs
= xfer
->trbs
[0].ccs
;
1426 xhci_set_ep_state(xhci
, epctx
, EP_HALTED
);
1427 DPRINTF("xhci: stalled slot %d ep %d\n", xfer
->slotid
, xfer
->epid
);
1428 DPRINTF("xhci: will continue at "DMA_ADDR_FMT
"\n", epctx
->ring
.dequeue
);
1431 static int xhci_submit(XHCIState
*xhci
, XHCITransfer
*xfer
,
1432 XHCIEPContext
*epctx
);
1434 static int xhci_setup_packet(XHCITransfer
*xfer
)
1436 XHCIState
*xhci
= xfer
->xhci
;
1441 dir
= xfer
->in_xfer
? USB_TOKEN_IN
: USB_TOKEN_OUT
;
1443 if (xfer
->packet
.ep
) {
1444 ep
= xfer
->packet
.ep
;
1447 if (!xhci
->slots
[xfer
->slotid
-1].uport
) {
1448 fprintf(stderr
, "xhci: slot %d has no device\n",
1452 dev
= xhci
->slots
[xfer
->slotid
-1].uport
->dev
;
1453 ep
= usb_ep_get(dev
, dir
, xfer
->epid
>> 1);
1456 xhci_xfer_create_sgl(xfer
, dir
== USB_TOKEN_IN
); /* Also sets int_req */
1457 usb_packet_setup(&xfer
->packet
, dir
, ep
, xfer
->trbs
[0].addr
, false,
1459 usb_packet_map(&xfer
->packet
, &xfer
->sgl
);
1460 DPRINTF("xhci: setup packet pid 0x%x addr %d ep %d\n",
1461 xfer
->packet
.pid
, dev
->addr
, ep
->nr
);
1465 static int xhci_complete_packet(XHCITransfer
*xfer
, int ret
)
1467 if (ret
== USB_RET_ASYNC
) {
1468 trace_usb_xhci_xfer_async(xfer
);
1469 xfer
->running_async
= 1;
1470 xfer
->running_retry
= 0;
1472 xfer
->cancelled
= 0;
1474 } else if (ret
== USB_RET_NAK
) {
1475 trace_usb_xhci_xfer_nak(xfer
);
1476 xfer
->running_async
= 0;
1477 xfer
->running_retry
= 1;
1479 xfer
->cancelled
= 0;
1482 xfer
->running_async
= 0;
1483 xfer
->running_retry
= 0;
1485 xhci_xfer_unmap(xfer
);
1489 trace_usb_xhci_xfer_success(xfer
, ret
);
1490 xfer
->status
= CC_SUCCESS
;
1491 xhci_xfer_report(xfer
);
1496 trace_usb_xhci_xfer_error(xfer
, ret
);
1499 xfer
->status
= CC_USB_TRANSACTION_ERROR
;
1500 xhci_xfer_report(xfer
);
1501 xhci_stall_ep(xfer
);
1504 xfer
->status
= CC_STALL_ERROR
;
1505 xhci_xfer_report(xfer
);
1506 xhci_stall_ep(xfer
);
1509 fprintf(stderr
, "%s: FIXME: ret = %d\n", __FUNCTION__
, ret
);
1515 static int xhci_fire_ctl_transfer(XHCIState
*xhci
, XHCITransfer
*xfer
)
1517 XHCITRB
*trb_setup
, *trb_status
;
1518 uint8_t bmRequestType
;
1521 trb_setup
= &xfer
->trbs
[0];
1522 trb_status
= &xfer
->trbs
[xfer
->trb_count
-1];
1524 trace_usb_xhci_xfer_start(xfer
, xfer
->slotid
, xfer
->epid
);
1526 /* at most one Event Data TRB allowed after STATUS */
1527 if (TRB_TYPE(*trb_status
) == TR_EVDATA
&& xfer
->trb_count
> 2) {
1531 /* do some sanity checks */
1532 if (TRB_TYPE(*trb_setup
) != TR_SETUP
) {
1533 fprintf(stderr
, "xhci: ep0 first TD not SETUP: %d\n",
1534 TRB_TYPE(*trb_setup
));
1537 if (TRB_TYPE(*trb_status
) != TR_STATUS
) {
1538 fprintf(stderr
, "xhci: ep0 last TD not STATUS: %d\n",
1539 TRB_TYPE(*trb_status
));
1542 if (!(trb_setup
->control
& TRB_TR_IDT
)) {
1543 fprintf(stderr
, "xhci: Setup TRB doesn't have IDT set\n");
1546 if ((trb_setup
->status
& 0x1ffff) != 8) {
1547 fprintf(stderr
, "xhci: Setup TRB has bad length (%d)\n",
1548 (trb_setup
->status
& 0x1ffff));
1552 bmRequestType
= trb_setup
->parameter
;
1554 xfer
->in_xfer
= bmRequestType
& USB_DIR_IN
;
1555 xfer
->iso_xfer
= false;
1557 if (xhci_setup_packet(xfer
) < 0) {
1560 xfer
->packet
.parameter
= trb_setup
->parameter
;
1562 ret
= usb_handle_packet(xfer
->packet
.ep
->dev
, &xfer
->packet
);
1564 xhci_complete_packet(xfer
, ret
);
1565 if (!xfer
->running_async
&& !xfer
->running_retry
) {
1566 xhci_kick_ep(xhci
, xfer
->slotid
, xfer
->epid
);
1571 static void xhci_calc_iso_kick(XHCIState
*xhci
, XHCITransfer
*xfer
,
1572 XHCIEPContext
*epctx
, uint64_t mfindex
)
1574 if (xfer
->trbs
[0].control
& TRB_TR_SIA
) {
1575 uint64_t asap
= ((mfindex
+ epctx
->interval
- 1) &
1576 ~(epctx
->interval
-1));
1577 if (asap
>= epctx
->mfindex_last
&&
1578 asap
<= epctx
->mfindex_last
+ epctx
->interval
* 4) {
1579 xfer
->mfindex_kick
= epctx
->mfindex_last
+ epctx
->interval
;
1581 xfer
->mfindex_kick
= asap
;
1584 xfer
->mfindex_kick
= (xfer
->trbs
[0].control
>> TRB_TR_FRAMEID_SHIFT
)
1585 & TRB_TR_FRAMEID_MASK
;
1586 xfer
->mfindex_kick
|= mfindex
& ~0x3fff;
1587 if (xfer
->mfindex_kick
< mfindex
) {
1588 xfer
->mfindex_kick
+= 0x4000;
1593 static void xhci_check_iso_kick(XHCIState
*xhci
, XHCITransfer
*xfer
,
1594 XHCIEPContext
*epctx
, uint64_t mfindex
)
1596 if (xfer
->mfindex_kick
> mfindex
) {
1597 qemu_mod_timer(epctx
->kick_timer
, qemu_get_clock_ns(vm_clock
) +
1598 (xfer
->mfindex_kick
- mfindex
) * 125000);
1599 xfer
->running_retry
= 1;
1601 epctx
->mfindex_last
= xfer
->mfindex_kick
;
1602 qemu_del_timer(epctx
->kick_timer
);
1603 xfer
->running_retry
= 0;
1608 static int xhci_submit(XHCIState
*xhci
, XHCITransfer
*xfer
, XHCIEPContext
*epctx
)
1613 DPRINTF("xhci_submit(slotid=%d,epid=%d)\n", xfer
->slotid
, xfer
->epid
);
1615 xfer
->in_xfer
= epctx
->type
>>2;
1617 switch(epctx
->type
) {
1623 xfer
->iso_xfer
= false;
1628 xfer
->iso_xfer
= true;
1629 mfindex
= xhci_mfindex_get(xhci
);
1630 xhci_calc_iso_kick(xhci
, xfer
, epctx
, mfindex
);
1631 xhci_check_iso_kick(xhci
, xfer
, epctx
, mfindex
);
1632 if (xfer
->running_retry
) {
1637 fprintf(stderr
, "xhci: unknown or unhandled EP "
1638 "(type %d, in %d, ep %02x)\n",
1639 epctx
->type
, xfer
->in_xfer
, xfer
->epid
);
1643 if (xhci_setup_packet(xfer
) < 0) {
1646 ret
= usb_handle_packet(xfer
->packet
.ep
->dev
, &xfer
->packet
);
1648 xhci_complete_packet(xfer
, ret
);
1649 if (!xfer
->running_async
&& !xfer
->running_retry
) {
1650 xhci_kick_ep(xhci
, xfer
->slotid
, xfer
->epid
);
1655 static int xhci_fire_transfer(XHCIState
*xhci
, XHCITransfer
*xfer
, XHCIEPContext
*epctx
)
1657 trace_usb_xhci_xfer_start(xfer
, xfer
->slotid
, xfer
->epid
);
1658 return xhci_submit(xhci
, xfer
, epctx
);
1661 static void xhci_kick_ep(XHCIState
*xhci
, unsigned int slotid
, unsigned int epid
)
1663 XHCIEPContext
*epctx
;
1664 USBEndpoint
*ep
= NULL
;
1669 trace_usb_xhci_ep_kick(slotid
, epid
);
1670 assert(slotid
>= 1 && slotid
<= MAXSLOTS
);
1671 assert(epid
>= 1 && epid
<= 31);
1673 if (!xhci
->slots
[slotid
-1].enabled
) {
1674 fprintf(stderr
, "xhci: xhci_kick_ep for disabled slot %d\n", slotid
);
1677 epctx
= xhci
->slots
[slotid
-1].eps
[epid
-1];
1679 fprintf(stderr
, "xhci: xhci_kick_ep for disabled endpoint %d,%d\n",
1685 XHCITransfer
*xfer
= epctx
->retry
;
1688 trace_usb_xhci_xfer_retry(xfer
);
1689 assert(xfer
->running_retry
);
1690 if (xfer
->iso_xfer
) {
1691 /* retry delayed iso transfer */
1692 mfindex
= xhci_mfindex_get(xhci
);
1693 xhci_check_iso_kick(xhci
, xfer
, epctx
, mfindex
);
1694 if (xfer
->running_retry
) {
1697 if (xhci_setup_packet(xfer
) < 0) {
1700 result
= usb_handle_packet(xfer
->packet
.ep
->dev
, &xfer
->packet
);
1701 assert(result
!= USB_RET_NAK
);
1702 xhci_complete_packet(xfer
, result
);
1704 /* retry nak'ed transfer */
1705 if (xhci_setup_packet(xfer
) < 0) {
1708 result
= usb_handle_packet(xfer
->packet
.ep
->dev
, &xfer
->packet
);
1709 if (result
== USB_RET_NAK
) {
1712 xhci_complete_packet(xfer
, result
);
1714 assert(!xfer
->running_retry
);
1715 epctx
->retry
= NULL
;
1718 if (epctx
->state
== EP_HALTED
) {
1719 DPRINTF("xhci: ep halted, not running schedule\n");
1723 xhci_set_ep_state(xhci
, epctx
, EP_RUNNING
);
1726 XHCITransfer
*xfer
= &epctx
->transfers
[epctx
->next_xfer
];
1727 if (xfer
->running_async
|| xfer
->running_retry
) {
1730 length
= xhci_ring_chain_length(xhci
, &epctx
->ring
);
1733 } else if (length
== 0) {
1736 if (xfer
->trbs
&& xfer
->trb_alloced
< length
) {
1737 xfer
->trb_count
= 0;
1738 xfer
->trb_alloced
= 0;
1743 xfer
->trbs
= g_malloc(sizeof(XHCITRB
) * length
);
1744 xfer
->trb_alloced
= length
;
1746 xfer
->trb_count
= length
;
1748 for (i
= 0; i
< length
; i
++) {
1749 assert(xhci_ring_fetch(xhci
, &epctx
->ring
, &xfer
->trbs
[i
], NULL
));
1753 xfer
->slotid
= slotid
;
1756 if (xhci_fire_ctl_transfer(xhci
, xfer
) >= 0) {
1757 epctx
->next_xfer
= (epctx
->next_xfer
+ 1) % TD_QUEUE
;
1758 ep
= xfer
->packet
.ep
;
1760 fprintf(stderr
, "xhci: error firing CTL transfer\n");
1763 if (xhci_fire_transfer(xhci
, xfer
, epctx
) >= 0) {
1764 epctx
->next_xfer
= (epctx
->next_xfer
+ 1) % TD_QUEUE
;
1765 ep
= xfer
->packet
.ep
;
1767 if (!xfer
->iso_xfer
) {
1768 fprintf(stderr
, "xhci: error firing data transfer\n");
1773 if (epctx
->state
== EP_HALTED
) {
1776 if (xfer
->running_retry
) {
1777 DPRINTF("xhci: xfer nacked, stopping schedule\n");
1778 epctx
->retry
= xfer
;
1783 usb_device_flush_ep_queue(ep
->dev
, ep
);
1787 static TRBCCode
xhci_enable_slot(XHCIState
*xhci
, unsigned int slotid
)
1789 trace_usb_xhci_slot_enable(slotid
);
1790 assert(slotid
>= 1 && slotid
<= MAXSLOTS
);
1791 xhci
->slots
[slotid
-1].enabled
= 1;
1792 xhci
->slots
[slotid
-1].uport
= NULL
;
1793 memset(xhci
->slots
[slotid
-1].eps
, 0, sizeof(XHCIEPContext
*)*31);
1798 static TRBCCode
xhci_disable_slot(XHCIState
*xhci
, unsigned int slotid
)
1802 trace_usb_xhci_slot_disable(slotid
);
1803 assert(slotid
>= 1 && slotid
<= MAXSLOTS
);
1805 for (i
= 1; i
<= 31; i
++) {
1806 if (xhci
->slots
[slotid
-1].eps
[i
-1]) {
1807 xhci_disable_ep(xhci
, slotid
, i
);
1811 xhci
->slots
[slotid
-1].enabled
= 0;
1815 static USBPort
*xhci_lookup_uport(XHCIState
*xhci
, uint32_t *slot_ctx
)
1821 port
= (slot_ctx
[1]>>16) & 0xFF;
1822 port
= xhci
->ports
[port
-1].uport
->index
+1;
1823 pos
= snprintf(path
, sizeof(path
), "%d", port
);
1824 for (i
= 0; i
< 5; i
++) {
1825 port
= (slot_ctx
[0] >> 4*i
) & 0x0f;
1829 pos
+= snprintf(path
+ pos
, sizeof(path
) - pos
, ".%d", port
);
1832 QTAILQ_FOREACH(uport
, &xhci
->bus
.used
, next
) {
1833 if (strcmp(uport
->path
, path
) == 0) {
1840 static TRBCCode
xhci_address_slot(XHCIState
*xhci
, unsigned int slotid
,
1841 uint64_t pictx
, bool bsr
)
1846 dma_addr_t ictx
, octx
, dcbaap
;
1848 uint32_t ictl_ctx
[2];
1849 uint32_t slot_ctx
[4];
1850 uint32_t ep0_ctx
[5];
1854 trace_usb_xhci_slot_address(slotid
);
1855 assert(slotid
>= 1 && slotid
<= MAXSLOTS
);
1857 dcbaap
= xhci_addr64(xhci
->dcbaap_low
, xhci
->dcbaap_high
);
1858 pci_dma_read(&xhci
->pci_dev
, dcbaap
+ 8*slotid
, &poctx
, sizeof(poctx
));
1859 ictx
= xhci_mask64(pictx
);
1860 octx
= xhci_mask64(le64_to_cpu(poctx
));
1862 DPRINTF("xhci: input context at "DMA_ADDR_FMT
"\n", ictx
);
1863 DPRINTF("xhci: output context at "DMA_ADDR_FMT
"\n", octx
);
1865 pci_dma_read(&xhci
->pci_dev
, ictx
, ictl_ctx
, sizeof(ictl_ctx
));
1867 if (ictl_ctx
[0] != 0x0 || ictl_ctx
[1] != 0x3) {
1868 fprintf(stderr
, "xhci: invalid input context control %08x %08x\n",
1869 ictl_ctx
[0], ictl_ctx
[1]);
1870 return CC_TRB_ERROR
;
1873 pci_dma_read(&xhci
->pci_dev
, ictx
+32, slot_ctx
, sizeof(slot_ctx
));
1874 pci_dma_read(&xhci
->pci_dev
, ictx
+64, ep0_ctx
, sizeof(ep0_ctx
));
1876 DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n",
1877 slot_ctx
[0], slot_ctx
[1], slot_ctx
[2], slot_ctx
[3]);
1879 DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n",
1880 ep0_ctx
[0], ep0_ctx
[1], ep0_ctx
[2], ep0_ctx
[3], ep0_ctx
[4]);
1882 uport
= xhci_lookup_uport(xhci
, slot_ctx
);
1883 if (uport
== NULL
) {
1884 fprintf(stderr
, "xhci: port not found\n");
1885 return CC_TRB_ERROR
;
1890 fprintf(stderr
, "xhci: port %s not connected\n", uport
->path
);
1891 return CC_USB_TRANSACTION_ERROR
;
1894 for (i
= 0; i
< MAXSLOTS
; i
++) {
1895 if (xhci
->slots
[i
].uport
== uport
) {
1896 fprintf(stderr
, "xhci: port %s already assigned to slot %d\n",
1898 return CC_TRB_ERROR
;
1902 slot
= &xhci
->slots
[slotid
-1];
1903 slot
->uport
= uport
;
1907 slot_ctx
[3] = SLOT_DEFAULT
<< SLOT_STATE_SHIFT
;
1909 slot
->devaddr
= xhci
->devaddr
++;
1910 slot_ctx
[3] = (SLOT_ADDRESSED
<< SLOT_STATE_SHIFT
) | slot
->devaddr
;
1911 DPRINTF("xhci: device address is %d\n", slot
->devaddr
);
1912 usb_device_handle_control(dev
, NULL
,
1913 DeviceOutRequest
| USB_REQ_SET_ADDRESS
,
1914 slot
->devaddr
, 0, 0, NULL
);
1917 res
= xhci_enable_ep(xhci
, slotid
, 1, octx
+32, ep0_ctx
);
1919 DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",
1920 slot_ctx
[0], slot_ctx
[1], slot_ctx
[2], slot_ctx
[3]);
1921 DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n",
1922 ep0_ctx
[0], ep0_ctx
[1], ep0_ctx
[2], ep0_ctx
[3], ep0_ctx
[4]);
1924 pci_dma_write(&xhci
->pci_dev
, octx
, slot_ctx
, sizeof(slot_ctx
));
1925 pci_dma_write(&xhci
->pci_dev
, octx
+32, ep0_ctx
, sizeof(ep0_ctx
));
1931 static TRBCCode
xhci_configure_slot(XHCIState
*xhci
, unsigned int slotid
,
1932 uint64_t pictx
, bool dc
)
1934 dma_addr_t ictx
, octx
;
1935 uint32_t ictl_ctx
[2];
1936 uint32_t slot_ctx
[4];
1937 uint32_t islot_ctx
[4];
1942 trace_usb_xhci_slot_configure(slotid
);
1943 assert(slotid
>= 1 && slotid
<= MAXSLOTS
);
1945 ictx
= xhci_mask64(pictx
);
1946 octx
= xhci
->slots
[slotid
-1].ctx
;
1948 DPRINTF("xhci: input context at "DMA_ADDR_FMT
"\n", ictx
);
1949 DPRINTF("xhci: output context at "DMA_ADDR_FMT
"\n", octx
);
1952 for (i
= 2; i
<= 31; i
++) {
1953 if (xhci
->slots
[slotid
-1].eps
[i
-1]) {
1954 xhci_disable_ep(xhci
, slotid
, i
);
1958 pci_dma_read(&xhci
->pci_dev
, octx
, slot_ctx
, sizeof(slot_ctx
));
1959 slot_ctx
[3] &= ~(SLOT_STATE_MASK
<< SLOT_STATE_SHIFT
);
1960 slot_ctx
[3] |= SLOT_ADDRESSED
<< SLOT_STATE_SHIFT
;
1961 DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",
1962 slot_ctx
[0], slot_ctx
[1], slot_ctx
[2], slot_ctx
[3]);
1963 pci_dma_write(&xhci
->pci_dev
, octx
, slot_ctx
, sizeof(slot_ctx
));
1968 pci_dma_read(&xhci
->pci_dev
, ictx
, ictl_ctx
, sizeof(ictl_ctx
));
1970 if ((ictl_ctx
[0] & 0x3) != 0x0 || (ictl_ctx
[1] & 0x3) != 0x1) {
1971 fprintf(stderr
, "xhci: invalid input context control %08x %08x\n",
1972 ictl_ctx
[0], ictl_ctx
[1]);
1973 return CC_TRB_ERROR
;
1976 pci_dma_read(&xhci
->pci_dev
, ictx
+32, islot_ctx
, sizeof(islot_ctx
));
1977 pci_dma_read(&xhci
->pci_dev
, octx
, slot_ctx
, sizeof(slot_ctx
));
1979 if (SLOT_STATE(slot_ctx
[3]) < SLOT_ADDRESSED
) {
1980 fprintf(stderr
, "xhci: invalid slot state %08x\n", slot_ctx
[3]);
1981 return CC_CONTEXT_STATE_ERROR
;
1984 for (i
= 2; i
<= 31; i
++) {
1985 if (ictl_ctx
[0] & (1<<i
)) {
1986 xhci_disable_ep(xhci
, slotid
, i
);
1988 if (ictl_ctx
[1] & (1<<i
)) {
1989 pci_dma_read(&xhci
->pci_dev
, ictx
+32+(32*i
), ep_ctx
,
1991 DPRINTF("xhci: input ep%d.%d context: %08x %08x %08x %08x %08x\n",
1992 i
/2, i
%2, ep_ctx
[0], ep_ctx
[1], ep_ctx
[2],
1993 ep_ctx
[3], ep_ctx
[4]);
1994 xhci_disable_ep(xhci
, slotid
, i
);
1995 res
= xhci_enable_ep(xhci
, slotid
, i
, octx
+(32*i
), ep_ctx
);
1996 if (res
!= CC_SUCCESS
) {
1999 DPRINTF("xhci: output ep%d.%d context: %08x %08x %08x %08x %08x\n",
2000 i
/2, i
%2, ep_ctx
[0], ep_ctx
[1], ep_ctx
[2],
2001 ep_ctx
[3], ep_ctx
[4]);
2002 pci_dma_write(&xhci
->pci_dev
, octx
+(32*i
), ep_ctx
, sizeof(ep_ctx
));
2006 slot_ctx
[3] &= ~(SLOT_STATE_MASK
<< SLOT_STATE_SHIFT
);
2007 slot_ctx
[3] |= SLOT_CONFIGURED
<< SLOT_STATE_SHIFT
;
2008 slot_ctx
[0] &= ~(SLOT_CONTEXT_ENTRIES_MASK
<< SLOT_CONTEXT_ENTRIES_SHIFT
);
2009 slot_ctx
[0] |= islot_ctx
[0] & (SLOT_CONTEXT_ENTRIES_MASK
<<
2010 SLOT_CONTEXT_ENTRIES_SHIFT
);
2011 DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",
2012 slot_ctx
[0], slot_ctx
[1], slot_ctx
[2], slot_ctx
[3]);
2014 pci_dma_write(&xhci
->pci_dev
, octx
, slot_ctx
, sizeof(slot_ctx
));
2020 static TRBCCode
xhci_evaluate_slot(XHCIState
*xhci
, unsigned int slotid
,
2023 dma_addr_t ictx
, octx
;
2024 uint32_t ictl_ctx
[2];
2025 uint32_t iep0_ctx
[5];
2026 uint32_t ep0_ctx
[5];
2027 uint32_t islot_ctx
[4];
2028 uint32_t slot_ctx
[4];
2030 trace_usb_xhci_slot_evaluate(slotid
);
2031 assert(slotid
>= 1 && slotid
<= MAXSLOTS
);
2033 ictx
= xhci_mask64(pictx
);
2034 octx
= xhci
->slots
[slotid
-1].ctx
;
2036 DPRINTF("xhci: input context at "DMA_ADDR_FMT
"\n", ictx
);
2037 DPRINTF("xhci: output context at "DMA_ADDR_FMT
"\n", octx
);
2039 pci_dma_read(&xhci
->pci_dev
, ictx
, ictl_ctx
, sizeof(ictl_ctx
));
2041 if (ictl_ctx
[0] != 0x0 || ictl_ctx
[1] & ~0x3) {
2042 fprintf(stderr
, "xhci: invalid input context control %08x %08x\n",
2043 ictl_ctx
[0], ictl_ctx
[1]);
2044 return CC_TRB_ERROR
;
2047 if (ictl_ctx
[1] & 0x1) {
2048 pci_dma_read(&xhci
->pci_dev
, ictx
+32, islot_ctx
, sizeof(islot_ctx
));
2050 DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n",
2051 islot_ctx
[0], islot_ctx
[1], islot_ctx
[2], islot_ctx
[3]);
2053 pci_dma_read(&xhci
->pci_dev
, octx
, slot_ctx
, sizeof(slot_ctx
));
2055 slot_ctx
[1] &= ~0xFFFF; /* max exit latency */
2056 slot_ctx
[1] |= islot_ctx
[1] & 0xFFFF;
2057 slot_ctx
[2] &= ~0xFF00000; /* interrupter target */
2058 slot_ctx
[2] |= islot_ctx
[2] & 0xFF000000;
2060 DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",
2061 slot_ctx
[0], slot_ctx
[1], slot_ctx
[2], slot_ctx
[3]);
2063 pci_dma_write(&xhci
->pci_dev
, octx
, slot_ctx
, sizeof(slot_ctx
));
2066 if (ictl_ctx
[1] & 0x2) {
2067 pci_dma_read(&xhci
->pci_dev
, ictx
+64, iep0_ctx
, sizeof(iep0_ctx
));
2069 DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n",
2070 iep0_ctx
[0], iep0_ctx
[1], iep0_ctx
[2],
2071 iep0_ctx
[3], iep0_ctx
[4]);
2073 pci_dma_read(&xhci
->pci_dev
, octx
+32, ep0_ctx
, sizeof(ep0_ctx
));
2075 ep0_ctx
[1] &= ~0xFFFF0000; /* max packet size*/
2076 ep0_ctx
[1] |= iep0_ctx
[1] & 0xFFFF0000;
2078 DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n",
2079 ep0_ctx
[0], ep0_ctx
[1], ep0_ctx
[2], ep0_ctx
[3], ep0_ctx
[4]);
2081 pci_dma_write(&xhci
->pci_dev
, octx
+32, ep0_ctx
, sizeof(ep0_ctx
));
2087 static TRBCCode
xhci_reset_slot(XHCIState
*xhci
, unsigned int slotid
)
2089 uint32_t slot_ctx
[4];
2093 trace_usb_xhci_slot_reset(slotid
);
2094 assert(slotid
>= 1 && slotid
<= MAXSLOTS
);
2096 octx
= xhci
->slots
[slotid
-1].ctx
;
2098 DPRINTF("xhci: output context at "DMA_ADDR_FMT
"\n", octx
);
2100 for (i
= 2; i
<= 31; i
++) {
2101 if (xhci
->slots
[slotid
-1].eps
[i
-1]) {
2102 xhci_disable_ep(xhci
, slotid
, i
);
2106 pci_dma_read(&xhci
->pci_dev
, octx
, slot_ctx
, sizeof(slot_ctx
));
2107 slot_ctx
[3] &= ~(SLOT_STATE_MASK
<< SLOT_STATE_SHIFT
);
2108 slot_ctx
[3] |= SLOT_DEFAULT
<< SLOT_STATE_SHIFT
;
2109 DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",
2110 slot_ctx
[0], slot_ctx
[1], slot_ctx
[2], slot_ctx
[3]);
2111 pci_dma_write(&xhci
->pci_dev
, octx
, slot_ctx
, sizeof(slot_ctx
));
2116 static unsigned int xhci_get_slot(XHCIState
*xhci
, XHCIEvent
*event
, XHCITRB
*trb
)
2118 unsigned int slotid
;
2119 slotid
= (trb
->control
>> TRB_CR_SLOTID_SHIFT
) & TRB_CR_SLOTID_MASK
;
2120 if (slotid
< 1 || slotid
> MAXSLOTS
) {
2121 fprintf(stderr
, "xhci: bad slot id %d\n", slotid
);
2122 event
->ccode
= CC_TRB_ERROR
;
2124 } else if (!xhci
->slots
[slotid
-1].enabled
) {
2125 fprintf(stderr
, "xhci: slot id %d not enabled\n", slotid
);
2126 event
->ccode
= CC_SLOT_NOT_ENABLED_ERROR
;
2132 static TRBCCode
xhci_get_port_bandwidth(XHCIState
*xhci
, uint64_t pctx
)
2135 uint8_t bw_ctx
[xhci
->numports
+1];
2137 DPRINTF("xhci_get_port_bandwidth()\n");
2139 ctx
= xhci_mask64(pctx
);
2141 DPRINTF("xhci: bandwidth context at "DMA_ADDR_FMT
"\n", ctx
);
2143 /* TODO: actually implement real values here */
2145 memset(&bw_ctx
[1], 80, xhci
->numports
); /* 80% */
2146 pci_dma_write(&xhci
->pci_dev
, ctx
, bw_ctx
, sizeof(bw_ctx
));
2151 static uint32_t rotl(uint32_t v
, unsigned count
)
2154 return (v
<< count
) | (v
>> (32 - count
));
2158 static uint32_t xhci_nec_challenge(uint32_t hi
, uint32_t lo
)
2161 val
= rotl(lo
- 0x49434878, 32 - ((hi
>>8) & 0x1F));
2162 val
+= rotl(lo
+ 0x49434878, hi
& 0x1F);
2163 val
-= rotl(hi
^ 0x49434878, (lo
>> 16) & 0x1F);
2167 static void xhci_via_challenge(XHCIState
*xhci
, uint64_t addr
)
2171 dma_addr_t paddr
= xhci_mask64(addr
);
2173 pci_dma_read(&xhci
->pci_dev
, paddr
, &buf
, 32);
2175 memcpy(obuf
, buf
, sizeof(obuf
));
2177 if ((buf
[0] & 0xff) == 2) {
2178 obuf
[0] = 0x49932000 + 0x54dc200 * buf
[2] + 0x7429b578 * buf
[3];
2179 obuf
[0] |= (buf
[2] * buf
[3]) & 0xff;
2180 obuf
[1] = 0x0132bb37 + 0xe89 * buf
[2] + 0xf09 * buf
[3];
2181 obuf
[2] = 0x0066c2e9 + 0x2091 * buf
[2] + 0x19bd * buf
[3];
2182 obuf
[3] = 0xd5281342 + 0x2cc9691 * buf
[2] + 0x2367662 * buf
[3];
2183 obuf
[4] = 0x0123c75c + 0x1595 * buf
[2] + 0x19ec * buf
[3];
2184 obuf
[5] = 0x00f695de + 0x26fd * buf
[2] + 0x3e9 * buf
[3];
2185 obuf
[6] = obuf
[2] ^ obuf
[3] ^ 0x29472956;
2186 obuf
[7] = obuf
[2] ^ obuf
[3] ^ 0x65866593;
2189 pci_dma_write(&xhci
->pci_dev
, paddr
, &obuf
, 32);
2192 static void xhci_process_commands(XHCIState
*xhci
)
2196 XHCIEvent event
= {ER_COMMAND_COMPLETE
, CC_SUCCESS
};
2198 unsigned int i
, slotid
= 0;
2200 DPRINTF("xhci_process_commands()\n");
2201 if (!xhci_running(xhci
)) {
2202 DPRINTF("xhci_process_commands() called while xHC stopped or paused\n");
2206 xhci
->crcr_low
|= CRCR_CRR
;
2208 while ((type
= xhci_ring_fetch(xhci
, &xhci
->cmd_ring
, &trb
, &addr
))) {
2211 case CR_ENABLE_SLOT
:
2212 for (i
= 0; i
< MAXSLOTS
; i
++) {
2213 if (!xhci
->slots
[i
].enabled
) {
2217 if (i
>= MAXSLOTS
) {
2218 fprintf(stderr
, "xhci: no device slots available\n");
2219 event
.ccode
= CC_NO_SLOTS_ERROR
;
2222 event
.ccode
= xhci_enable_slot(xhci
, slotid
);
2225 case CR_DISABLE_SLOT
:
2226 slotid
= xhci_get_slot(xhci
, &event
, &trb
);
2228 event
.ccode
= xhci_disable_slot(xhci
, slotid
);
2231 case CR_ADDRESS_DEVICE
:
2232 slotid
= xhci_get_slot(xhci
, &event
, &trb
);
2234 event
.ccode
= xhci_address_slot(xhci
, slotid
, trb
.parameter
,
2235 trb
.control
& TRB_CR_BSR
);
2238 case CR_CONFIGURE_ENDPOINT
:
2239 slotid
= xhci_get_slot(xhci
, &event
, &trb
);
2241 event
.ccode
= xhci_configure_slot(xhci
, slotid
, trb
.parameter
,
2242 trb
.control
& TRB_CR_DC
);
2245 case CR_EVALUATE_CONTEXT
:
2246 slotid
= xhci_get_slot(xhci
, &event
, &trb
);
2248 event
.ccode
= xhci_evaluate_slot(xhci
, slotid
, trb
.parameter
);
2251 case CR_STOP_ENDPOINT
:
2252 slotid
= xhci_get_slot(xhci
, &event
, &trb
);
2254 unsigned int epid
= (trb
.control
>> TRB_CR_EPID_SHIFT
)
2256 event
.ccode
= xhci_stop_ep(xhci
, slotid
, epid
);
2259 case CR_RESET_ENDPOINT
:
2260 slotid
= xhci_get_slot(xhci
, &event
, &trb
);
2262 unsigned int epid
= (trb
.control
>> TRB_CR_EPID_SHIFT
)
2264 event
.ccode
= xhci_reset_ep(xhci
, slotid
, epid
);
2267 case CR_SET_TR_DEQUEUE
:
2268 slotid
= xhci_get_slot(xhci
, &event
, &trb
);
2270 unsigned int epid
= (trb
.control
>> TRB_CR_EPID_SHIFT
)
2272 event
.ccode
= xhci_set_ep_dequeue(xhci
, slotid
, epid
,
2276 case CR_RESET_DEVICE
:
2277 slotid
= xhci_get_slot(xhci
, &event
, &trb
);
2279 event
.ccode
= xhci_reset_slot(xhci
, slotid
);
2282 case CR_GET_PORT_BANDWIDTH
:
2283 event
.ccode
= xhci_get_port_bandwidth(xhci
, trb
.parameter
);
2285 case CR_VENDOR_VIA_CHALLENGE_RESPONSE
:
2286 xhci_via_challenge(xhci
, trb
.parameter
);
2288 case CR_VENDOR_NEC_FIRMWARE_REVISION
:
2289 event
.type
= 48; /* NEC reply */
2290 event
.length
= 0x3025;
2292 case CR_VENDOR_NEC_CHALLENGE_RESPONSE
:
2294 uint32_t chi
= trb
.parameter
>> 32;
2295 uint32_t clo
= trb
.parameter
;
2296 uint32_t val
= xhci_nec_challenge(chi
, clo
);
2297 event
.length
= val
& 0xFFFF;
2298 event
.epid
= val
>> 16;
2300 event
.type
= 48; /* NEC reply */
2304 fprintf(stderr
, "xhci: unimplemented command %d\n", type
);
2305 event
.ccode
= CC_TRB_ERROR
;
2308 event
.slotid
= slotid
;
2309 xhci_event(xhci
, &event
, 0);
2313 static void xhci_update_port(XHCIState
*xhci
, XHCIPort
*port
, int is_detach
)
2315 port
->portsc
= PORTSC_PP
;
2316 if (port
->uport
->dev
&& port
->uport
->dev
->attached
&& !is_detach
&&
2317 (1 << port
->uport
->dev
->speed
) & port
->speedmask
) {
2318 port
->portsc
|= PORTSC_CCS
;
2319 switch (port
->uport
->dev
->speed
) {
2321 port
->portsc
|= PORTSC_SPEED_LOW
;
2323 case USB_SPEED_FULL
:
2324 port
->portsc
|= PORTSC_SPEED_FULL
;
2326 case USB_SPEED_HIGH
:
2327 port
->portsc
|= PORTSC_SPEED_HIGH
;
2329 case USB_SPEED_SUPER
:
2330 port
->portsc
|= PORTSC_SPEED_SUPER
;
2335 if (xhci_running(xhci
)) {
2336 port
->portsc
|= PORTSC_CSC
;
2337 XHCIEvent ev
= { ER_PORT_STATUS_CHANGE
, CC_SUCCESS
,
2338 port
->portnr
<< 24};
2339 xhci_event(xhci
, &ev
, 0);
2340 DPRINTF("xhci: port change event for port %d\n", port
->portnr
);
2344 static void xhci_reset(DeviceState
*dev
)
2346 XHCIState
*xhci
= DO_UPCAST(XHCIState
, pci_dev
.qdev
, dev
);
2349 trace_usb_xhci_reset();
2350 if (!(xhci
->usbsts
& USBSTS_HCH
)) {
2351 fprintf(stderr
, "xhci: reset while running!\n");
2355 xhci
->usbsts
= USBSTS_HCH
;
2358 xhci
->crcr_high
= 0;
2359 xhci
->dcbaap_low
= 0;
2360 xhci
->dcbaap_high
= 0;
2364 for (i
= 0; i
< MAXSLOTS
; i
++) {
2365 xhci_disable_slot(xhci
, i
+1);
2368 for (i
= 0; i
< xhci
->numports
; i
++) {
2369 xhci_update_port(xhci
, xhci
->ports
+ i
, 0);
2372 for (i
= 0; i
< MAXINTRS
; i
++) {
2373 xhci
->intr
[i
].iman
= 0;
2374 xhci
->intr
[i
].imod
= 0;
2375 xhci
->intr
[i
].erstsz
= 0;
2376 xhci
->intr
[i
].erstba_low
= 0;
2377 xhci
->intr
[i
].erstba_high
= 0;
2378 xhci
->intr
[i
].erdp_low
= 0;
2379 xhci
->intr
[i
].erdp_high
= 0;
2380 xhci
->intr
[i
].msix_used
= 0;
2382 xhci
->intr
[i
].er_ep_idx
= 0;
2383 xhci
->intr
[i
].er_pcs
= 1;
2384 xhci
->intr
[i
].er_full
= 0;
2385 xhci
->intr
[i
].ev_buffer_put
= 0;
2386 xhci
->intr
[i
].ev_buffer_get
= 0;
2389 xhci
->mfindex_start
= qemu_get_clock_ns(vm_clock
);
2390 xhci_mfwrap_update(xhci
);
2393 static uint64_t xhci_cap_read(void *ptr
, hwaddr reg
, unsigned size
)
2395 XHCIState
*xhci
= ptr
;
2399 case 0x00: /* HCIVERSION, CAPLENGTH */
2400 ret
= 0x01000000 | LEN_CAP
;
2402 case 0x04: /* HCSPARAMS 1 */
2403 ret
= ((xhci
->numports_2
+xhci
->numports_3
)<<24)
2404 | (MAXINTRS
<<8) | MAXSLOTS
;
2406 case 0x08: /* HCSPARAMS 2 */
2409 case 0x0c: /* HCSPARAMS 3 */
2412 case 0x10: /* HCCPARAMS */
2413 if (sizeof(dma_addr_t
) == 4) {
2419 case 0x14: /* DBOFF */
2422 case 0x18: /* RTSOFF */
2426 /* extended capabilities */
2427 case 0x20: /* Supported Protocol:00 */
2428 ret
= 0x02000402; /* USB 2.0 */
2430 case 0x24: /* Supported Protocol:04 */
2431 ret
= 0x20425455; /* "USB " */
2433 case 0x28: /* Supported Protocol:08 */
2434 ret
= 0x00000001 | (xhci
->numports_2
<<8);
2436 case 0x2c: /* Supported Protocol:0c */
2437 ret
= 0x00000000; /* reserved */
2439 case 0x30: /* Supported Protocol:00 */
2440 ret
= 0x03000002; /* USB 3.0 */
2442 case 0x34: /* Supported Protocol:04 */
2443 ret
= 0x20425455; /* "USB " */
2445 case 0x38: /* Supported Protocol:08 */
2446 ret
= 0x00000000 | (xhci
->numports_2
+1) | (xhci
->numports_3
<<8);
2448 case 0x3c: /* Supported Protocol:0c */
2449 ret
= 0x00000000; /* reserved */
2452 fprintf(stderr
, "xhci_cap_read: reg %d unimplemented\n", (int)reg
);
2456 trace_usb_xhci_cap_read(reg
, ret
);
2460 static uint64_t xhci_port_read(void *ptr
, hwaddr reg
, unsigned size
)
2462 XHCIPort
*port
= ptr
;
2466 case 0x00: /* PORTSC */
2469 case 0x04: /* PORTPMSC */
2470 case 0x08: /* PORTLI */
2473 case 0x0c: /* reserved */
2475 fprintf(stderr
, "xhci_port_read (port %d): reg 0x%x unimplemented\n",
2476 port
->portnr
, (uint32_t)reg
);
2480 trace_usb_xhci_port_read(port
->portnr
, reg
, ret
);
2484 static void xhci_port_write(void *ptr
, hwaddr reg
,
2485 uint64_t val
, unsigned size
)
2487 XHCIPort
*port
= ptr
;
2490 trace_usb_xhci_port_write(port
->portnr
, reg
, val
);
2493 case 0x00: /* PORTSC */
2494 portsc
= port
->portsc
;
2495 /* write-1-to-clear bits*/
2496 portsc
&= ~(val
& (PORTSC_CSC
|PORTSC_PEC
|PORTSC_WRC
|PORTSC_OCC
|
2497 PORTSC_PRC
|PORTSC_PLC
|PORTSC_CEC
));
2498 if (val
& PORTSC_LWS
) {
2499 /* overwrite PLS only when LWS=1 */
2500 portsc
&= ~(PORTSC_PLS_MASK
<< PORTSC_PLS_SHIFT
);
2501 portsc
|= val
& (PORTSC_PLS_MASK
<< PORTSC_PLS_SHIFT
);
2503 /* read/write bits */
2504 portsc
&= ~(PORTSC_PP
|PORTSC_WCE
|PORTSC_WDE
|PORTSC_WOE
);
2505 portsc
|= (val
& (PORTSC_PP
|PORTSC_WCE
|PORTSC_WDE
|PORTSC_WOE
));
2506 /* write-1-to-start bits */
2507 if (val
& PORTSC_PR
) {
2508 DPRINTF("xhci: port %d reset\n", port
);
2509 usb_device_reset(port
->uport
->dev
);
2510 portsc
|= PORTSC_PRC
| PORTSC_PED
;
2512 port
->portsc
= portsc
;
2514 case 0x04: /* PORTPMSC */
2515 case 0x08: /* PORTLI */
2517 fprintf(stderr
, "xhci_port_write (port %d): reg 0x%x unimplemented\n",
2518 port
->portnr
, (uint32_t)reg
);
2522 static uint64_t xhci_oper_read(void *ptr
, hwaddr reg
, unsigned size
)
2524 XHCIState
*xhci
= ptr
;
2528 case 0x00: /* USBCMD */
2531 case 0x04: /* USBSTS */
2534 case 0x08: /* PAGESIZE */
2537 case 0x14: /* DNCTRL */
2540 case 0x18: /* CRCR low */
2541 ret
= xhci
->crcr_low
& ~0xe;
2543 case 0x1c: /* CRCR high */
2544 ret
= xhci
->crcr_high
;
2546 case 0x30: /* DCBAAP low */
2547 ret
= xhci
->dcbaap_low
;
2549 case 0x34: /* DCBAAP high */
2550 ret
= xhci
->dcbaap_high
;
2552 case 0x38: /* CONFIG */
2556 fprintf(stderr
, "xhci_oper_read: reg 0x%x unimplemented\n", (int)reg
);
2560 trace_usb_xhci_oper_read(reg
, ret
);
2564 static void xhci_oper_write(void *ptr
, hwaddr reg
,
2565 uint64_t val
, unsigned size
)
2567 XHCIState
*xhci
= ptr
;
2569 trace_usb_xhci_oper_write(reg
, val
);
2572 case 0x00: /* USBCMD */
2573 if ((val
& USBCMD_RS
) && !(xhci
->usbcmd
& USBCMD_RS
)) {
2575 } else if (!(val
& USBCMD_RS
) && (xhci
->usbcmd
& USBCMD_RS
)) {
2578 xhci
->usbcmd
= val
& 0xc0f;
2579 xhci_mfwrap_update(xhci
);
2580 if (val
& USBCMD_HCRST
) {
2581 xhci_reset(&xhci
->pci_dev
.qdev
);
2583 xhci_intx_update(xhci
);
2586 case 0x04: /* USBSTS */
2587 /* these bits are write-1-to-clear */
2588 xhci
->usbsts
&= ~(val
& (USBSTS_HSE
|USBSTS_EINT
|USBSTS_PCD
|USBSTS_SRE
));
2589 xhci_intx_update(xhci
);
2592 case 0x14: /* DNCTRL */
2593 xhci
->dnctrl
= val
& 0xffff;
2595 case 0x18: /* CRCR low */
2596 xhci
->crcr_low
= (val
& 0xffffffcf) | (xhci
->crcr_low
& CRCR_CRR
);
2598 case 0x1c: /* CRCR high */
2599 xhci
->crcr_high
= val
;
2600 if (xhci
->crcr_low
& (CRCR_CA
|CRCR_CS
) && (xhci
->crcr_low
& CRCR_CRR
)) {
2601 XHCIEvent event
= {ER_COMMAND_COMPLETE
, CC_COMMAND_RING_STOPPED
};
2602 xhci
->crcr_low
&= ~CRCR_CRR
;
2603 xhci_event(xhci
, &event
, 0);
2604 DPRINTF("xhci: command ring stopped (CRCR=%08x)\n", xhci
->crcr_low
);
2606 dma_addr_t base
= xhci_addr64(xhci
->crcr_low
& ~0x3f, val
);
2607 xhci_ring_init(xhci
, &xhci
->cmd_ring
, base
);
2609 xhci
->crcr_low
&= ~(CRCR_CA
| CRCR_CS
);
2611 case 0x30: /* DCBAAP low */
2612 xhci
->dcbaap_low
= val
& 0xffffffc0;
2614 case 0x34: /* DCBAAP high */
2615 xhci
->dcbaap_high
= val
;
2617 case 0x38: /* CONFIG */
2618 xhci
->config
= val
& 0xff;
2621 fprintf(stderr
, "xhci_oper_write: reg 0x%x unimplemented\n", (int)reg
);
2625 static uint64_t xhci_runtime_read(void *ptr
, hwaddr reg
,
2628 XHCIState
*xhci
= ptr
;
2633 case 0x00: /* MFINDEX */
2634 ret
= xhci_mfindex_get(xhci
) & 0x3fff;
2637 fprintf(stderr
, "xhci_runtime_read: reg 0x%x unimplemented\n",
2642 int v
= (reg
- 0x20) / 0x20;
2643 XHCIInterrupter
*intr
= &xhci
->intr
[v
];
2644 switch (reg
& 0x1f) {
2645 case 0x00: /* IMAN */
2648 case 0x04: /* IMOD */
2651 case 0x08: /* ERSTSZ */
2654 case 0x10: /* ERSTBA low */
2655 ret
= intr
->erstba_low
;
2657 case 0x14: /* ERSTBA high */
2658 ret
= intr
->erstba_high
;
2660 case 0x18: /* ERDP low */
2661 ret
= intr
->erdp_low
;
2663 case 0x1c: /* ERDP high */
2664 ret
= intr
->erdp_high
;
2669 trace_usb_xhci_runtime_read(reg
, ret
);
2673 static void xhci_runtime_write(void *ptr
, hwaddr reg
,
2674 uint64_t val
, unsigned size
)
2676 XHCIState
*xhci
= ptr
;
2677 int v
= (reg
- 0x20) / 0x20;
2678 XHCIInterrupter
*intr
= &xhci
->intr
[v
];
2679 trace_usb_xhci_runtime_write(reg
, val
);
2682 fprintf(stderr
, "%s: reg 0x%x unimplemented\n", __func__
, (int)reg
);
2686 switch (reg
& 0x1f) {
2687 case 0x00: /* IMAN */
2688 if (val
& IMAN_IP
) {
2689 intr
->iman
&= ~IMAN_IP
;
2691 intr
->iman
&= ~IMAN_IE
;
2692 intr
->iman
|= val
& IMAN_IE
;
2694 xhci_intx_update(xhci
);
2696 xhci_msix_update(xhci
, v
);
2698 case 0x04: /* IMOD */
2701 case 0x08: /* ERSTSZ */
2702 intr
->erstsz
= val
& 0xffff;
2704 case 0x10: /* ERSTBA low */
2705 /* XXX NEC driver bug: it doesn't align this to 64 bytes
2706 intr->erstba_low = val & 0xffffffc0; */
2707 intr
->erstba_low
= val
& 0xfffffff0;
2709 case 0x14: /* ERSTBA high */
2710 intr
->erstba_high
= val
;
2711 xhci_er_reset(xhci
, v
);
2713 case 0x18: /* ERDP low */
2714 if (val
& ERDP_EHB
) {
2715 intr
->erdp_low
&= ~ERDP_EHB
;
2717 intr
->erdp_low
= (val
& ~ERDP_EHB
) | (intr
->erdp_low
& ERDP_EHB
);
2719 case 0x1c: /* ERDP high */
2720 intr
->erdp_high
= val
;
2721 xhci_events_update(xhci
, v
);
2724 fprintf(stderr
, "xhci_oper_write: reg 0x%x unimplemented\n",
2729 static uint64_t xhci_doorbell_read(void *ptr
, hwaddr reg
,
2732 /* doorbells always read as 0 */
2733 trace_usb_xhci_doorbell_read(reg
, 0);
2737 static void xhci_doorbell_write(void *ptr
, hwaddr reg
,
2738 uint64_t val
, unsigned size
)
2740 XHCIState
*xhci
= ptr
;
2742 trace_usb_xhci_doorbell_write(reg
, val
);
2744 if (!xhci_running(xhci
)) {
2745 fprintf(stderr
, "xhci: wrote doorbell while xHC stopped or paused\n");
2753 xhci_process_commands(xhci
);
2755 fprintf(stderr
, "xhci: bad doorbell 0 write: 0x%x\n",
2759 if (reg
> MAXSLOTS
) {
2760 fprintf(stderr
, "xhci: bad doorbell %d\n", (int)reg
);
2761 } else if (val
> 31) {
2762 fprintf(stderr
, "xhci: bad doorbell %d write: 0x%x\n",
2763 (int)reg
, (uint32_t)val
);
2765 xhci_kick_ep(xhci
, reg
, val
);
2770 static const MemoryRegionOps xhci_cap_ops
= {
2771 .read
= xhci_cap_read
,
2772 .valid
.min_access_size
= 1,
2773 .valid
.max_access_size
= 4,
2774 .impl
.min_access_size
= 4,
2775 .impl
.max_access_size
= 4,
2776 .endianness
= DEVICE_LITTLE_ENDIAN
,
2779 static const MemoryRegionOps xhci_oper_ops
= {
2780 .read
= xhci_oper_read
,
2781 .write
= xhci_oper_write
,
2782 .valid
.min_access_size
= 4,
2783 .valid
.max_access_size
= 4,
2784 .endianness
= DEVICE_LITTLE_ENDIAN
,
2787 static const MemoryRegionOps xhci_port_ops
= {
2788 .read
= xhci_port_read
,
2789 .write
= xhci_port_write
,
2790 .valid
.min_access_size
= 4,
2791 .valid
.max_access_size
= 4,
2792 .endianness
= DEVICE_LITTLE_ENDIAN
,
2795 static const MemoryRegionOps xhci_runtime_ops
= {
2796 .read
= xhci_runtime_read
,
2797 .write
= xhci_runtime_write
,
2798 .valid
.min_access_size
= 4,
2799 .valid
.max_access_size
= 4,
2800 .endianness
= DEVICE_LITTLE_ENDIAN
,
2803 static const MemoryRegionOps xhci_doorbell_ops
= {
2804 .read
= xhci_doorbell_read
,
2805 .write
= xhci_doorbell_write
,
2806 .valid
.min_access_size
= 4,
2807 .valid
.max_access_size
= 4,
2808 .endianness
= DEVICE_LITTLE_ENDIAN
,
2811 static void xhci_attach(USBPort
*usbport
)
2813 XHCIState
*xhci
= usbport
->opaque
;
2814 XHCIPort
*port
= xhci_lookup_port(xhci
, usbport
);
2816 xhci_update_port(xhci
, port
, 0);
2819 static void xhci_detach(USBPort
*usbport
)
2821 XHCIState
*xhci
= usbport
->opaque
;
2822 XHCIPort
*port
= xhci_lookup_port(xhci
, usbport
);
2824 xhci_update_port(xhci
, port
, 1);
2827 static void xhci_wakeup(USBPort
*usbport
)
2829 XHCIState
*xhci
= usbport
->opaque
;
2830 XHCIPort
*port
= xhci_lookup_port(xhci
, usbport
);
2831 XHCIEvent ev
= { ER_PORT_STATUS_CHANGE
, CC_SUCCESS
,
2832 port
->portnr
<< 24};
2835 pls
= (port
->portsc
>> PORTSC_PLS_SHIFT
) & PORTSC_PLS_MASK
;
2839 port
->portsc
|= 0xf << PORTSC_PLS_SHIFT
;
2840 if (port
->portsc
& PORTSC_PLC
) {
2843 port
->portsc
|= PORTSC_PLC
;
2844 xhci_event(xhci
, &ev
, 0);
2847 static void xhci_complete(USBPort
*port
, USBPacket
*packet
)
2849 XHCITransfer
*xfer
= container_of(packet
, XHCITransfer
, packet
);
2851 if (packet
->result
== USB_RET_REMOVE_FROM_QUEUE
) {
2852 xhci_ep_nuke_one_xfer(xfer
);
2855 xhci_complete_packet(xfer
, packet
->result
);
2856 xhci_kick_ep(xfer
->xhci
, xfer
->slotid
, xfer
->epid
);
2859 static void xhci_child_detach(USBPort
*uport
, USBDevice
*child
)
2861 USBBus
*bus
= usb_bus_from_device(child
);
2862 XHCIState
*xhci
= container_of(bus
, XHCIState
, bus
);
2865 for (i
= 0; i
< MAXSLOTS
; i
++) {
2866 if (xhci
->slots
[i
].uport
== uport
) {
2867 xhci
->slots
[i
].uport
= NULL
;
2872 static USBPortOps xhci_uport_ops
= {
2873 .attach
= xhci_attach
,
2874 .detach
= xhci_detach
,
2875 .wakeup
= xhci_wakeup
,
2876 .complete
= xhci_complete
,
2877 .child_detach
= xhci_child_detach
,
2880 static int xhci_find_slotid(XHCIState
*xhci
, USBDevice
*dev
)
2885 for (slotid
= 1; slotid
<= MAXSLOTS
; slotid
++) {
2886 slot
= &xhci
->slots
[slotid
-1];
2887 if (slot
->devaddr
== dev
->addr
) {
2894 static int xhci_find_epid(USBEndpoint
*ep
)
2899 if (ep
->pid
== USB_TOKEN_IN
) {
2900 return ep
->nr
* 2 + 1;
2906 static void xhci_wakeup_endpoint(USBBus
*bus
, USBEndpoint
*ep
)
2908 XHCIState
*xhci
= container_of(bus
, XHCIState
, bus
);
2911 DPRINTF("%s\n", __func__
);
2912 slotid
= xhci_find_slotid(xhci
, ep
->dev
);
2913 if (slotid
== 0 || !xhci
->slots
[slotid
-1].enabled
) {
2914 DPRINTF("%s: oops, no slot for dev %d\n", __func__
, ep
->dev
->addr
);
2917 xhci_kick_ep(xhci
, slotid
, xhci_find_epid(ep
));
2920 static USBBusOps xhci_bus_ops
= {
2921 .wakeup_endpoint
= xhci_wakeup_endpoint
,
2924 static void usb_xhci_init(XHCIState
*xhci
, DeviceState
*dev
)
2927 int i
, usbports
, speedmask
;
2929 xhci
->usbsts
= USBSTS_HCH
;
2931 if (xhci
->numports_2
> MAXPORTS_2
) {
2932 xhci
->numports_2
= MAXPORTS_2
;
2934 if (xhci
->numports_3
> MAXPORTS_3
) {
2935 xhci
->numports_3
= MAXPORTS_3
;
2937 usbports
= MAX(xhci
->numports_2
, xhci
->numports_3
);
2938 xhci
->numports
= xhci
->numports_2
+ xhci
->numports_3
;
2940 usb_bus_new(&xhci
->bus
, &xhci_bus_ops
, &xhci
->pci_dev
.qdev
);
2942 for (i
= 0; i
< usbports
; i
++) {
2944 if (i
< xhci
->numports_2
) {
2945 port
= &xhci
->ports
[i
];
2946 port
->portnr
= i
+ 1;
2947 port
->uport
= &xhci
->uports
[i
];
2949 USB_SPEED_MASK_LOW
|
2950 USB_SPEED_MASK_FULL
|
2951 USB_SPEED_MASK_HIGH
;
2952 snprintf(port
->name
, sizeof(port
->name
), "usb2 port #%d", i
+1);
2953 speedmask
|= port
->speedmask
;
2955 if (i
< xhci
->numports_3
) {
2956 port
= &xhci
->ports
[i
+ xhci
->numports_2
];
2957 port
->portnr
= i
+ 1 + xhci
->numports_2
;
2958 port
->uport
= &xhci
->uports
[i
];
2959 port
->speedmask
= USB_SPEED_MASK_SUPER
;
2960 snprintf(port
->name
, sizeof(port
->name
), "usb3 port #%d", i
+1);
2961 speedmask
|= port
->speedmask
;
2963 usb_register_port(&xhci
->bus
, &xhci
->uports
[i
], xhci
, i
,
2964 &xhci_uport_ops
, speedmask
);
2968 static int usb_xhci_initfn(struct PCIDevice
*dev
)
2972 XHCIState
*xhci
= DO_UPCAST(XHCIState
, pci_dev
, dev
);
2974 xhci
->pci_dev
.config
[PCI_CLASS_PROG
] = 0x30; /* xHCI */
2975 xhci
->pci_dev
.config
[PCI_INTERRUPT_PIN
] = 0x01; /* interrupt pin 1 */
2976 xhci
->pci_dev
.config
[PCI_CACHE_LINE_SIZE
] = 0x10;
2977 xhci
->pci_dev
.config
[0x60] = 0x30; /* release number */
2979 usb_xhci_init(xhci
, &dev
->qdev
);
2981 xhci
->mfwrap_timer
= qemu_new_timer_ns(vm_clock
, xhci_mfwrap_timer
, xhci
);
2983 xhci
->irq
= xhci
->pci_dev
.irq
[0];
2985 memory_region_init(&xhci
->mem
, "xhci", LEN_REGS
);
2986 memory_region_init_io(&xhci
->mem_cap
, &xhci_cap_ops
, xhci
,
2987 "capabilities", LEN_CAP
);
2988 memory_region_init_io(&xhci
->mem_oper
, &xhci_oper_ops
, xhci
,
2989 "operational", 0x400);
2990 memory_region_init_io(&xhci
->mem_runtime
, &xhci_runtime_ops
, xhci
,
2991 "runtime", LEN_RUNTIME
);
2992 memory_region_init_io(&xhci
->mem_doorbell
, &xhci_doorbell_ops
, xhci
,
2993 "doorbell", LEN_DOORBELL
);
2995 memory_region_add_subregion(&xhci
->mem
, 0, &xhci
->mem_cap
);
2996 memory_region_add_subregion(&xhci
->mem
, OFF_OPER
, &xhci
->mem_oper
);
2997 memory_region_add_subregion(&xhci
->mem
, OFF_RUNTIME
, &xhci
->mem_runtime
);
2998 memory_region_add_subregion(&xhci
->mem
, OFF_DOORBELL
, &xhci
->mem_doorbell
);
3000 for (i
= 0; i
< xhci
->numports
; i
++) {
3001 XHCIPort
*port
= &xhci
->ports
[i
];
3002 uint32_t offset
= OFF_OPER
+ 0x400 + 0x10 * i
;
3004 memory_region_init_io(&port
->mem
, &xhci_port_ops
, port
,
3006 memory_region_add_subregion(&xhci
->mem
, offset
, &port
->mem
);
3009 pci_register_bar(&xhci
->pci_dev
, 0,
3010 PCI_BASE_ADDRESS_SPACE_MEMORY
|PCI_BASE_ADDRESS_MEM_TYPE_64
,
3013 ret
= pcie_cap_init(&xhci
->pci_dev
, 0xa0, PCI_EXP_TYPE_ENDPOINT
, 0);
3016 if (xhci
->flags
& (1 << XHCI_FLAG_USE_MSI
)) {
3017 msi_init(&xhci
->pci_dev
, 0x70, MAXINTRS
, true, false);
3019 if (xhci
->flags
& (1 << XHCI_FLAG_USE_MSI_X
)) {
3020 msix_init(&xhci
->pci_dev
, MAXINTRS
,
3021 &xhci
->mem
, 0, OFF_MSIX_TABLE
,
3022 &xhci
->mem
, 0, OFF_MSIX_PBA
,
3029 static const VMStateDescription vmstate_xhci
= {
3034 static Property xhci_properties
[] = {
3035 DEFINE_PROP_BIT("msi", XHCIState
, flags
, XHCI_FLAG_USE_MSI
, true),
3036 DEFINE_PROP_BIT("msix", XHCIState
, flags
, XHCI_FLAG_USE_MSI_X
, true),
3037 DEFINE_PROP_UINT32("p2", XHCIState
, numports_2
, 4),
3038 DEFINE_PROP_UINT32("p3", XHCIState
, numports_3
, 4),
3039 DEFINE_PROP_END_OF_LIST(),
3042 static void xhci_class_init(ObjectClass
*klass
, void *data
)
3044 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
3045 DeviceClass
*dc
= DEVICE_CLASS(klass
);
3047 dc
->vmsd
= &vmstate_xhci
;
3048 dc
->props
= xhci_properties
;
3049 dc
->reset
= xhci_reset
;
3050 k
->init
= usb_xhci_initfn
;
3051 k
->vendor_id
= PCI_VENDOR_ID_NEC
;
3052 k
->device_id
= PCI_DEVICE_ID_NEC_UPD720200
;
3053 k
->class_id
= PCI_CLASS_SERIAL_USB
;
3058 static TypeInfo xhci_info
= {
3059 .name
= "nec-usb-xhci",
3060 .parent
= TYPE_PCI_DEVICE
,
3061 .instance_size
= sizeof(XHCIState
),
3062 .class_init
= xhci_class_init
,
3065 static void xhci_register_types(void)
3067 type_register_static(&xhci_info
);
3070 type_init(xhci_register_types
)