2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 2014 Leon Dang <ldang@nahannisys.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 tablet USB tablet mouse
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
38 #include <sys/param.h>
40 #include <sys/types.h>
41 #include <sys/queue.h>
51 #include <dev/usb/usbdi.h>
52 #include <dev/usb/usb.h>
53 #include <dev/usb/usb_freebsd.h>
67 static int xhci_debug = 0;
68 #define DPRINTF(params) if (xhci_debug) PRINTLN params
69 #define WPRINTF(params) PRINTLN params
72 #define XHCI_NAME "xhci"
73 #define XHCI_MAX_DEVS 8 /* 4 USB3 + 4 USB2 devs */
75 #define XHCI_MAX_SLOTS 64 /* min allowed by Windows drivers */
78 * XHCI data structures can be up to 64k, but limit paddr_guest2host mapping
79 * to 4k to avoid going over the guest physical memory barrier.
81 #define XHCI_PADDR_SZ 4096 /* paddr_guest2host max size */
83 #define XHCI_ERST_MAX 0 /* max 2^entries event ring seg tbl */
85 #define XHCI_CAPLEN (4*8) /* offset of op register space */
86 #define XHCI_HCCPRAMS2 0x1C /* offset of HCCPARAMS2 register */
87 #define XHCI_PORTREGS_START 0x400
88 #define XHCI_DOORBELL_MAX 256
90 #define XHCI_STREAMS_MAX 1 /* 4-15 in XHCI spec */
92 /* caplength and hci-version registers */
93 #define XHCI_SET_CAPLEN(x) ((x) & 0xFF)
94 #define XHCI_SET_HCIVERSION(x) (((x) & 0xFFFF) << 16)
95 #define XHCI_GET_HCIVERSION(x) (((x) >> 16) & 0xFFFF)
97 /* hcsparams1 register */
98 #define XHCI_SET_HCSP1_MAXSLOTS(x) ((x) & 0xFF)
99 #define XHCI_SET_HCSP1_MAXINTR(x) (((x) & 0x7FF) << 8)
100 #define XHCI_SET_HCSP1_MAXPORTS(x) (((x) & 0xFF) << 24)
102 /* hcsparams2 register */
103 #define XHCI_SET_HCSP2_IST(x) ((x) & 0x0F)
104 #define XHCI_SET_HCSP2_ERSTMAX(x) (((x) & 0x0F) << 4)
105 #define XHCI_SET_HCSP2_MAXSCRATCH_HI(x) (((x) & 0x1F) << 21)
106 #define XHCI_SET_HCSP2_MAXSCRATCH_LO(x) (((x) & 0x1F) << 27)
108 /* hcsparams3 register */
109 #define XHCI_SET_HCSP3_U1EXITLATENCY(x) ((x) & 0xFF)
110 #define XHCI_SET_HCSP3_U2EXITLATENCY(x) (((x) & 0xFFFF) << 16)
112 /* hccparams1 register */
113 #define XHCI_SET_HCCP1_AC64(x) ((x) & 0x01)
114 #define XHCI_SET_HCCP1_BNC(x) (((x) & 0x01) << 1)
115 #define XHCI_SET_HCCP1_CSZ(x) (((x) & 0x01) << 2)
116 #define XHCI_SET_HCCP1_PPC(x) (((x) & 0x01) << 3)
117 #define XHCI_SET_HCCP1_PIND(x) (((x) & 0x01) << 4)
118 #define XHCI_SET_HCCP1_LHRC(x) (((x) & 0x01) << 5)
119 #define XHCI_SET_HCCP1_LTC(x) (((x) & 0x01) << 6)
120 #define XHCI_SET_HCCP1_NSS(x) (((x) & 0x01) << 7)
121 #define XHCI_SET_HCCP1_PAE(x) (((x) & 0x01) << 8)
122 #define XHCI_SET_HCCP1_SPC(x) (((x) & 0x01) << 9)
123 #define XHCI_SET_HCCP1_SEC(x) (((x) & 0x01) << 10)
124 #define XHCI_SET_HCCP1_CFC(x) (((x) & 0x01) << 11)
125 #define XHCI_SET_HCCP1_MAXPSA(x) (((x) & 0x0F) << 12)
126 #define XHCI_SET_HCCP1_XECP(x) (((x) & 0xFFFF) << 16)
128 /* hccparams2 register */
129 #define XHCI_SET_HCCP2_U3C(x) ((x) & 0x01)
130 #define XHCI_SET_HCCP2_CMC(x) (((x) & 0x01) << 1)
131 #define XHCI_SET_HCCP2_FSC(x) (((x) & 0x01) << 2)
132 #define XHCI_SET_HCCP2_CTC(x) (((x) & 0x01) << 3)
133 #define XHCI_SET_HCCP2_LEC(x) (((x) & 0x01) << 4)
134 #define XHCI_SET_HCCP2_CIC(x) (((x) & 0x01) << 5)
136 /* other registers */
137 #define XHCI_SET_DOORBELL(x) ((x) & ~0x03)
138 #define XHCI_SET_RTSOFFSET(x) ((x) & ~0x0F)
141 #define XHCI_PS_PLS_MASK (0xF << 5) /* port link state */
142 #define XHCI_PS_SPEED_MASK (0xF << 10) /* port speed */
143 #define XHCI_PS_PIC_MASK (0x3 << 14) /* port indicator */
145 /* port register set */
146 #define XHCI_PORTREGS_BASE 0x400 /* base offset */
147 #define XHCI_PORTREGS_PORT0 0x3F0
148 #define XHCI_PORTREGS_SETSZ 0x10 /* size of a set */
150 #define MASK_64_HI(x) ((x) & ~0xFFFFFFFFULL)
151 #define MASK_64_LO(x) ((x) & 0xFFFFFFFFULL)
153 #define FIELD_REPLACE(a,b,m,s) (((a) & ~((m) << (s))) | \
154 (((b) & (m)) << (s)))
155 #define FIELD_COPY(a,b,m,s) (((a) & ~((m) << (s))) | \
156 (((b) & ((m) << (s)))))
158 #define SNAP_DEV_NAME_LEN 128
160 struct pci_xhci_trb_ring {
161 uint64_t ringaddr; /* current dequeue guest address */
162 uint32_t ccs; /* consumer cycle state */
165 /* device endpoint transfer/stream rings */
166 struct pci_xhci_dev_ep {
168 struct xhci_trb *_epu_tr;
169 struct xhci_stream_ctx *_epu_sctx;
171 #define ep_tr _ep_trbsctx._epu_tr
172 #define ep_sctx _ep_trbsctx._epu_sctx
175 * Caches the value of MaxPStreams from the endpoint context
176 * when an endpoint is initialized and is used to validate the
177 * use of ep_ringaddr vs ep_sctx_trbs[] as well as the length
180 uint32_t ep_MaxPStreams;
182 struct pci_xhci_trb_ring _epu_trb;
183 struct pci_xhci_trb_ring *_epu_sctx_trbs;
185 #define ep_ringaddr _ep_trb_rings._epu_trb.ringaddr
186 #define ep_ccs _ep_trb_rings._epu_trb.ccs
187 #define ep_sctx_trbs _ep_trb_rings._epu_sctx_trbs
189 struct usb_data_xfer *ep_xfer; /* transfer chain */
192 /* device context base address array: maps slot->device context */
194 uint64_t dcba[USB_MAX_DEVICES+1]; /* xhci_dev_ctx ptrs */
197 /* port status registers */
198 struct pci_xhci_portregs {
199 uint32_t portsc; /* port status and control */
200 uint32_t portpmsc; /* port pwr mgmt status & control */
201 uint32_t portli; /* port link info */
202 uint32_t porthlpmc; /* port hardware LPM control */
204 #define XHCI_PS_SPEED_SET(x) (((x) & 0xF) << 10)
206 /* xHC operational registers */
207 struct pci_xhci_opregs {
208 uint32_t usbcmd; /* usb command */
209 uint32_t usbsts; /* usb status */
210 uint32_t pgsz; /* page size */
211 uint32_t dnctrl; /* device notification control */
212 uint64_t crcr; /* command ring control */
213 uint64_t dcbaap; /* device ctx base addr array ptr */
214 uint32_t config; /* configure */
216 /* guest mapped addresses: */
217 struct xhci_trb *cr_p; /* crcr dequeue */
218 struct xhci_dcbaa *dcbaa_p; /* dev ctx array ptr */
221 /* xHC runtime registers */
222 struct pci_xhci_rtsregs {
223 uint32_t mfindex; /* microframe index */
224 struct { /* interrupter register set */
225 uint32_t iman; /* interrupter management */
226 uint32_t imod; /* interrupter moderation */
227 uint32_t erstsz; /* event ring segment table size */
229 uint64_t erstba; /* event ring seg-tbl base addr */
230 uint64_t erdp; /* event ring dequeue ptr */
233 /* guest mapped addresses */
234 struct xhci_event_ring_seg *erstba_p;
235 struct xhci_trb *erst_p; /* event ring segment tbl */
236 int er_deq_seg; /* event ring dequeue segment */
237 int er_enq_idx; /* event ring enqueue index - xHCI */
238 int er_enq_seg; /* event ring enqueue segment */
239 uint32_t er_events_cnt; /* number of events in ER */
240 uint32_t event_pcs; /* producer cycle state flag */
244 struct pci_xhci_softc;
248 * USB device emulation container.
249 * This is referenced from usb_hci->hci_sc; 1 pci_xhci_dev_emu for each
250 * emulated device instance.
252 struct pci_xhci_dev_emu {
253 struct pci_xhci_softc *xsc;
256 struct xhci_dev_ctx *dev_ctx;
257 struct pci_xhci_dev_ep eps[XHCI_MAX_ENDPOINTS];
260 struct usb_devemu *dev_ue; /* USB emulated dev */
261 void *dev_sc; /* device's softc */
266 struct pci_xhci_softc {
267 struct pci_devinst *xsc_pi;
271 uint32_t caplength; /* caplen & hciversion */
272 uint32_t hcsparams1; /* structural parameters 1 */
273 uint32_t hcsparams2; /* structural parameters 2 */
274 uint32_t hcsparams3; /* structural parameters 3 */
275 uint32_t hccparams1; /* capability parameters 1 */
276 uint32_t dboff; /* doorbell offset */
277 uint32_t rtsoff; /* runtime register space offset */
278 uint32_t hccparams2; /* capability parameters 2 */
280 uint32_t regsend; /* end of configuration registers */
282 struct pci_xhci_opregs opregs;
283 struct pci_xhci_rtsregs rtsregs;
285 struct pci_xhci_portregs *portregs;
286 struct pci_xhci_dev_emu **devices; /* XHCI[port] = device */
287 struct pci_xhci_dev_emu **slots; /* slots assigned from 1 */
294 /* port and slot numbering start from 1 */
295 #define XHCI_PORTREG_PTR(x,n) &((x)->portregs[(n) - 1])
296 #define XHCI_DEVINST_PTR(x,n) ((x)->devices[(n) - 1])
297 #define XHCI_SLOTDEV_PTR(x,n) ((x)->slots[(n) - 1])
299 #define XHCI_HALTED(sc) ((sc)->opregs.usbsts & XHCI_STS_HCH)
301 #define XHCI_GADDR_SIZE(a) (XHCI_PADDR_SZ - \
302 (((uint64_t) (a)) & (XHCI_PADDR_SZ - 1)))
303 #define XHCI_GADDR(sc,a) paddr_guest2host((sc)->xsc_pi->pi_vmctx, \
304 (a), XHCI_GADDR_SIZE(a))
306 static int xhci_in_use;
308 /* map USB errors to XHCI */
309 static const int xhci_usb_errors[USB_ERR_MAX] = {
310 [USB_ERR_NORMAL_COMPLETION] = XHCI_TRB_ERROR_SUCCESS,
311 [USB_ERR_PENDING_REQUESTS] = XHCI_TRB_ERROR_RESOURCE,
312 [USB_ERR_NOT_STARTED] = XHCI_TRB_ERROR_ENDP_NOT_ON,
313 [USB_ERR_INVAL] = XHCI_TRB_ERROR_INVALID,
314 [USB_ERR_NOMEM] = XHCI_TRB_ERROR_RESOURCE,
315 [USB_ERR_CANCELLED] = XHCI_TRB_ERROR_STOPPED,
316 [USB_ERR_BAD_ADDRESS] = XHCI_TRB_ERROR_PARAMETER,
317 [USB_ERR_BAD_BUFSIZE] = XHCI_TRB_ERROR_PARAMETER,
318 [USB_ERR_BAD_FLAG] = XHCI_TRB_ERROR_PARAMETER,
319 [USB_ERR_NO_CALLBACK] = XHCI_TRB_ERROR_STALL,
320 [USB_ERR_IN_USE] = XHCI_TRB_ERROR_RESOURCE,
321 [USB_ERR_NO_ADDR] = XHCI_TRB_ERROR_RESOURCE,
322 [USB_ERR_NO_PIPE] = XHCI_TRB_ERROR_RESOURCE,
323 [USB_ERR_ZERO_NFRAMES] = XHCI_TRB_ERROR_UNDEFINED,
324 [USB_ERR_ZERO_MAXP] = XHCI_TRB_ERROR_UNDEFINED,
325 [USB_ERR_SET_ADDR_FAILED] = XHCI_TRB_ERROR_RESOURCE,
326 [USB_ERR_NO_POWER] = XHCI_TRB_ERROR_ENDP_NOT_ON,
327 [USB_ERR_TOO_DEEP] = XHCI_TRB_ERROR_RESOURCE,
328 [USB_ERR_IOERROR] = XHCI_TRB_ERROR_TRB,
329 [USB_ERR_NOT_CONFIGURED] = XHCI_TRB_ERROR_ENDP_NOT_ON,
330 [USB_ERR_TIMEOUT] = XHCI_TRB_ERROR_CMD_ABORTED,
331 [USB_ERR_SHORT_XFER] = XHCI_TRB_ERROR_SHORT_PKT,
332 [USB_ERR_STALLED] = XHCI_TRB_ERROR_STALL,
333 [USB_ERR_INTERRUPTED] = XHCI_TRB_ERROR_CMD_ABORTED,
334 [USB_ERR_DMA_LOAD_FAILED] = XHCI_TRB_ERROR_DATA_BUF,
335 [USB_ERR_BAD_CONTEXT] = XHCI_TRB_ERROR_TRB,
336 [USB_ERR_NO_ROOT_HUB] = XHCI_TRB_ERROR_UNDEFINED,
337 [USB_ERR_NO_INTR_THREAD] = XHCI_TRB_ERROR_UNDEFINED,
338 [USB_ERR_NOT_LOCKED] = XHCI_TRB_ERROR_UNDEFINED,
340 #define USB_TO_XHCI_ERR(e) ((e) < USB_ERR_MAX ? xhci_usb_errors[(e)] : \
341 XHCI_TRB_ERROR_INVALID)
343 static int pci_xhci_insert_event(struct pci_xhci_softc *sc,
344 struct xhci_trb *evtrb, int do_intr);
345 static void pci_xhci_dump_trb(struct xhci_trb *trb);
346 static void pci_xhci_assert_interrupt(struct pci_xhci_softc *sc);
347 static void pci_xhci_reset_slot(struct pci_xhci_softc *sc, int slot);
348 static void pci_xhci_reset_port(struct pci_xhci_softc *sc, int portn, int warm);
349 static void pci_xhci_update_ep_ring(struct pci_xhci_softc *sc,
350 struct pci_xhci_dev_emu *dev, struct pci_xhci_dev_ep *devep,
351 struct xhci_endp_ctx *ep_ctx, uint32_t streamid,
352 uint64_t ringaddr, int ccs);
355 pci_xhci_set_evtrb(struct xhci_trb *evtrb, uint64_t port, uint32_t errcode,
358 evtrb->qwTrb0 = port << 24;
359 evtrb->dwTrb2 = XHCI_TRB_2_ERROR_SET(errcode);
360 evtrb->dwTrb3 = XHCI_TRB_3_TYPE_SET(evtype);
364 /* controller reset */
366 pci_xhci_reset(struct pci_xhci_softc *sc)
370 sc->rtsregs.er_enq_idx = 0;
371 sc->rtsregs.er_events_cnt = 0;
372 sc->rtsregs.event_pcs = 1;
374 for (i = 1; i <= XHCI_MAX_SLOTS; i++) {
375 pci_xhci_reset_slot(sc, i);
380 pci_xhci_usbcmd_write(struct pci_xhci_softc *sc, uint32_t cmd)
385 if (cmd & XHCI_CMD_RS) {
386 do_intr = (sc->opregs.usbcmd & XHCI_CMD_RS) == 0;
388 sc->opregs.usbcmd |= XHCI_CMD_RS;
389 sc->opregs.usbsts &= ~XHCI_STS_HCH;
390 sc->opregs.usbsts |= XHCI_STS_PCD;
392 /* Queue port change event on controller run from stop */
394 for (i = 1; i <= XHCI_MAX_DEVS; i++) {
395 struct pci_xhci_dev_emu *dev;
396 struct pci_xhci_portregs *port;
397 struct xhci_trb evtrb;
399 if ((dev = XHCI_DEVINST_PTR(sc, i)) == NULL)
402 port = XHCI_PORTREG_PTR(sc, i);
403 port->portsc |= XHCI_PS_CSC | XHCI_PS_CCS;
404 port->portsc &= ~XHCI_PS_PLS_MASK;
407 * XHCI 4.19.3 USB2 RxDetect->Polling,
410 if (dev->dev_ue->ue_usbver == 2)
412 XHCI_PS_PLS_SET(UPS_PORT_LS_POLL);
415 XHCI_PS_PLS_SET(UPS_PORT_LS_U0);
417 pci_xhci_set_evtrb(&evtrb, i,
418 XHCI_TRB_ERROR_SUCCESS,
419 XHCI_TRB_EVENT_PORT_STS_CHANGE);
421 if (pci_xhci_insert_event(sc, &evtrb, 0) !=
422 XHCI_TRB_ERROR_SUCCESS)
426 sc->opregs.usbcmd &= ~XHCI_CMD_RS;
427 sc->opregs.usbsts |= XHCI_STS_HCH;
428 sc->opregs.usbsts &= ~XHCI_STS_PCD;
431 /* start execution of schedule; stop when set to 0 */
432 cmd |= sc->opregs.usbcmd & XHCI_CMD_RS;
434 if (cmd & XHCI_CMD_HCRST) {
435 /* reset controller */
437 cmd &= ~XHCI_CMD_HCRST;
440 cmd &= ~(XHCI_CMD_CSS | XHCI_CMD_CRS);
443 pci_xhci_assert_interrupt(sc);
449 pci_xhci_portregs_write(struct pci_xhci_softc *sc, uint64_t offset,
452 struct xhci_trb evtrb;
453 struct pci_xhci_portregs *p;
455 uint32_t oldpls, newpls;
457 if (sc->portregs == NULL)
460 port = (offset - XHCI_PORTREGS_PORT0) / XHCI_PORTREGS_SETSZ;
461 offset = (offset - XHCI_PORTREGS_PORT0) % XHCI_PORTREGS_SETSZ;
463 DPRINTF(("pci_xhci: portregs wr offset 0x%lx, port %u: 0x%lx",
464 offset, port, value));
468 if (port > XHCI_MAX_DEVS) {
469 DPRINTF(("pci_xhci: portregs_write port %d > ndevices",
474 if (XHCI_DEVINST_PTR(sc, port) == NULL) {
475 DPRINTF(("pci_xhci: portregs_write to unattached port %d",
479 p = XHCI_PORTREG_PTR(sc, port);
482 /* port reset or warm reset */
483 if (value & (XHCI_PS_PR | XHCI_PS_WPR)) {
484 pci_xhci_reset_port(sc, port, value & XHCI_PS_WPR);
488 if ((p->portsc & XHCI_PS_PP) == 0) {
489 WPRINTF(("pci_xhci: portregs_write to unpowered "
494 /* Port status and control register */
495 oldpls = XHCI_PS_PLS_GET(p->portsc);
496 newpls = XHCI_PS_PLS_GET(value);
498 p->portsc &= XHCI_PS_PED | XHCI_PS_PLS_MASK |
499 XHCI_PS_SPEED_MASK | XHCI_PS_PIC_MASK;
501 if (XHCI_DEVINST_PTR(sc, port))
502 p->portsc |= XHCI_PS_CCS;
504 p->portsc |= (value &
508 XHCI_PS_PLS_MASK | /* link state */
510 XHCI_PS_PIC_MASK | /* port indicator */
511 XHCI_PS_LWS | XHCI_PS_DR | XHCI_PS_WPR));
513 /* clear control bits */
514 p->portsc &= ~(value &
524 /* port disable request; for USB3, don't care */
525 if (value & XHCI_PS_PED)
526 DPRINTF(("Disable port %d request", port));
528 if (!(value & XHCI_PS_LWS))
531 DPRINTF(("Port new PLS: %d", newpls));
535 if (oldpls != newpls) {
536 p->portsc &= ~XHCI_PS_PLS_MASK;
537 p->portsc |= XHCI_PS_PLS_SET(newpls) |
540 if (oldpls != 0 && newpls == 0) {
541 pci_xhci_set_evtrb(&evtrb, port,
542 XHCI_TRB_ERROR_SUCCESS,
543 XHCI_TRB_EVENT_PORT_STS_CHANGE);
545 pci_xhci_insert_event(sc, &evtrb, 1);
551 DPRINTF(("Unhandled change port %d PLS %u",
557 /* Port power management status and control register */
561 /* Port link information register */
562 DPRINTF(("pci_xhci attempted write to PORTLI, port %d",
567 * Port hardware LPM control register.
568 * For USB3, this register is reserved.
570 p->porthlpmc = value;
573 DPRINTF(("pci_xhci: unaligned portreg write offset %#lx",
579 static struct xhci_dev_ctx *
580 pci_xhci_get_dev_ctx(struct pci_xhci_softc *sc, uint32_t slot)
582 uint64_t devctx_addr;
583 struct xhci_dev_ctx *devctx;
585 assert(slot > 0 && slot <= XHCI_MAX_DEVS);
586 assert(XHCI_SLOTDEV_PTR(sc, slot) != NULL);
587 assert(sc->opregs.dcbaa_p != NULL);
589 devctx_addr = sc->opregs.dcbaa_p->dcba[slot];
591 if (devctx_addr == 0) {
592 DPRINTF(("get_dev_ctx devctx_addr == 0"));
596 DPRINTF(("pci_xhci: get dev ctx, slot %u devctx addr %016lx",
598 devctx = XHCI_GADDR(sc, devctx_addr & ~0x3FUL);
603 static struct xhci_trb *
604 pci_xhci_trb_next(struct pci_xhci_softc *sc, struct xhci_trb *curtrb,
607 struct xhci_trb *next;
609 assert(curtrb != NULL);
611 if (XHCI_TRB_3_TYPE_GET(curtrb->dwTrb3) == XHCI_TRB_TYPE_LINK) {
613 *guestaddr = curtrb->qwTrb0 & ~0xFUL;
615 next = XHCI_GADDR(sc, curtrb->qwTrb0 & ~0xFUL);
618 *guestaddr += sizeof(struct xhci_trb) & ~0xFUL;
627 pci_xhci_assert_interrupt(struct pci_xhci_softc *sc)
630 sc->rtsregs.intrreg.erdp |= XHCI_ERDP_LO_BUSY;
631 sc->rtsregs.intrreg.iman |= XHCI_IMAN_INTR_PEND;
632 sc->opregs.usbsts |= XHCI_STS_EINT;
634 /* only trigger interrupt if permitted */
635 if ((sc->opregs.usbcmd & XHCI_CMD_INTE) &&
636 (sc->rtsregs.intrreg.iman & XHCI_IMAN_INTR_ENA)) {
637 if (pci_msi_enabled(sc->xsc_pi))
638 pci_generate_msi(sc->xsc_pi, 0);
640 pci_lintr_assert(sc->xsc_pi);
645 pci_xhci_deassert_interrupt(struct pci_xhci_softc *sc)
648 if (!pci_msi_enabled(sc->xsc_pi))
649 pci_lintr_assert(sc->xsc_pi);
653 pci_xhci_init_ep(struct pci_xhci_dev_emu *dev, int epid)
655 struct xhci_dev_ctx *dev_ctx;
656 struct pci_xhci_dev_ep *devep;
657 struct xhci_endp_ctx *ep_ctx;
658 uint32_t i, pstreams;
660 dev_ctx = dev->dev_ctx;
661 ep_ctx = &dev_ctx->ctx_ep[epid];
662 devep = &dev->eps[epid];
663 pstreams = XHCI_EPCTX_0_MAXP_STREAMS_GET(ep_ctx->dwEpCtx0);
665 DPRINTF(("init_ep %d with pstreams %d", epid, pstreams));
666 assert(devep->ep_sctx_trbs == NULL);
668 devep->ep_sctx = XHCI_GADDR(dev->xsc, ep_ctx->qwEpCtx2 &
669 XHCI_EPCTX_2_TR_DQ_PTR_MASK);
670 devep->ep_sctx_trbs = calloc(pstreams,
671 sizeof(struct pci_xhci_trb_ring));
672 for (i = 0; i < pstreams; i++) {
673 devep->ep_sctx_trbs[i].ringaddr =
674 devep->ep_sctx[i].qwSctx0 &
675 XHCI_SCTX_0_TR_DQ_PTR_MASK;
676 devep->ep_sctx_trbs[i].ccs =
677 XHCI_SCTX_0_DCS_GET(devep->ep_sctx[i].qwSctx0);
680 DPRINTF(("init_ep %d with no pstreams", epid));
681 devep->ep_ringaddr = ep_ctx->qwEpCtx2 &
682 XHCI_EPCTX_2_TR_DQ_PTR_MASK;
683 devep->ep_ccs = XHCI_EPCTX_2_DCS_GET(ep_ctx->qwEpCtx2);
684 devep->ep_tr = XHCI_GADDR(dev->xsc, devep->ep_ringaddr);
685 DPRINTF(("init_ep tr DCS %x", devep->ep_ccs));
687 devep->ep_MaxPStreams = pstreams;
689 if (devep->ep_xfer == NULL) {
690 devep->ep_xfer = malloc(sizeof(struct usb_data_xfer));
691 USB_DATA_XFER_INIT(devep->ep_xfer);
696 pci_xhci_disable_ep(struct pci_xhci_dev_emu *dev, int epid)
698 struct xhci_dev_ctx *dev_ctx;
699 struct pci_xhci_dev_ep *devep;
700 struct xhci_endp_ctx *ep_ctx;
702 DPRINTF(("pci_xhci disable_ep %d", epid));
704 dev_ctx = dev->dev_ctx;
705 ep_ctx = &dev_ctx->ctx_ep[epid];
706 ep_ctx->dwEpCtx0 = (ep_ctx->dwEpCtx0 & ~0x7) | XHCI_ST_EPCTX_DISABLED;
708 devep = &dev->eps[epid];
709 if (devep->ep_MaxPStreams > 0)
710 free(devep->ep_sctx_trbs);
712 if (devep->ep_xfer != NULL) {
713 free(devep->ep_xfer);
714 devep->ep_xfer = NULL;
717 memset(devep, 0, sizeof(struct pci_xhci_dev_ep));
721 /* reset device at slot and data structures related to it */
723 pci_xhci_reset_slot(struct pci_xhci_softc *sc, int slot)
725 struct pci_xhci_dev_emu *dev;
727 dev = XHCI_SLOTDEV_PTR(sc, slot);
730 DPRINTF(("xhci reset unassigned slot (%d)?", slot));
732 dev->dev_slotstate = XHCI_ST_DISABLED;
735 /* TODO: reset ring buffer pointers */
739 pci_xhci_insert_event(struct pci_xhci_softc *sc, struct xhci_trb *evtrb,
742 struct pci_xhci_rtsregs *rts;
746 struct xhci_trb *evtrbptr;
748 err = XHCI_TRB_ERROR_SUCCESS;
752 erdp = rts->intrreg.erdp & ~0xF;
753 erdp_idx = (erdp - rts->erstba_p[rts->er_deq_seg].qwEvrsTablePtr) /
754 sizeof(struct xhci_trb);
756 DPRINTF(("pci_xhci: insert event 0[%lx] 2[%x] 3[%x]",
757 evtrb->qwTrb0, evtrb->dwTrb2, evtrb->dwTrb3));
758 DPRINTF(("\terdp idx %d/seg %d, enq idx %d/seg %d, pcs %u",
759 erdp_idx, rts->er_deq_seg, rts->er_enq_idx,
760 rts->er_enq_seg, rts->event_pcs));
761 DPRINTF(("\t(erdp=0x%lx, erst=0x%lx, tblsz=%u, do_intr %d)",
762 erdp, rts->erstba_p->qwEvrsTablePtr,
763 rts->erstba_p->dwEvrsTableSize, do_intr));
765 evtrbptr = &rts->erst_p[rts->er_enq_idx];
767 /* TODO: multi-segment table */
768 if (rts->er_events_cnt >= rts->erstba_p->dwEvrsTableSize) {
769 DPRINTF(("pci_xhci[%d] cannot insert event; ring full",
771 err = XHCI_TRB_ERROR_EV_RING_FULL;
775 if (rts->er_events_cnt == rts->erstba_p->dwEvrsTableSize - 1) {
776 struct xhci_trb errev;
778 if ((evtrbptr->dwTrb3 & 0x1) == (rts->event_pcs & 0x1)) {
780 DPRINTF(("pci_xhci[%d] insert evt err: ring full",
784 errev.dwTrb2 = XHCI_TRB_2_ERROR_SET(
785 XHCI_TRB_ERROR_EV_RING_FULL);
786 errev.dwTrb3 = XHCI_TRB_3_TYPE_SET(
787 XHCI_TRB_EVENT_HOST_CTRL) |
789 rts->er_events_cnt++;
790 memcpy(&rts->erst_p[rts->er_enq_idx], &errev,
791 sizeof(struct xhci_trb));
792 rts->er_enq_idx = (rts->er_enq_idx + 1) %
793 rts->erstba_p->dwEvrsTableSize;
794 err = XHCI_TRB_ERROR_EV_RING_FULL;
800 rts->er_events_cnt++;
803 evtrb->dwTrb3 &= ~XHCI_TRB_3_CYCLE_BIT;
804 evtrb->dwTrb3 |= rts->event_pcs;
806 memcpy(&rts->erst_p[rts->er_enq_idx], evtrb, sizeof(struct xhci_trb));
807 rts->er_enq_idx = (rts->er_enq_idx + 1) %
808 rts->erstba_p->dwEvrsTableSize;
810 if (rts->er_enq_idx == 0)
815 pci_xhci_assert_interrupt(sc);
821 pci_xhci_cmd_enable_slot(struct pci_xhci_softc *sc, uint32_t *slot)
823 struct pci_xhci_dev_emu *dev;
827 cmderr = XHCI_TRB_ERROR_NO_SLOTS;
828 if (sc->portregs != NULL)
829 for (i = 1; i <= XHCI_MAX_SLOTS; i++) {
830 dev = XHCI_SLOTDEV_PTR(sc, i);
831 if (dev && dev->dev_slotstate == XHCI_ST_DISABLED) {
833 dev->dev_slotstate = XHCI_ST_ENABLED;
834 cmderr = XHCI_TRB_ERROR_SUCCESS;
835 dev->hci.hci_address = i;
840 DPRINTF(("pci_xhci enable slot (error=%d) slot %u",
841 cmderr != XHCI_TRB_ERROR_SUCCESS, *slot));
847 pci_xhci_cmd_disable_slot(struct pci_xhci_softc *sc, uint32_t slot)
849 struct pci_xhci_dev_emu *dev;
852 DPRINTF(("pci_xhci disable slot %u", slot));
854 cmderr = XHCI_TRB_ERROR_NO_SLOTS;
855 if (sc->portregs == NULL)
858 if (slot > XHCI_MAX_SLOTS) {
859 cmderr = XHCI_TRB_ERROR_SLOT_NOT_ON;
863 dev = XHCI_SLOTDEV_PTR(sc, slot);
865 if (dev->dev_slotstate == XHCI_ST_DISABLED) {
866 cmderr = XHCI_TRB_ERROR_SLOT_NOT_ON;
868 dev->dev_slotstate = XHCI_ST_DISABLED;
869 cmderr = XHCI_TRB_ERROR_SUCCESS;
870 /* TODO: reset events and endpoints */
873 cmderr = XHCI_TRB_ERROR_SLOT_NOT_ON;
880 pci_xhci_cmd_reset_device(struct pci_xhci_softc *sc, uint32_t slot)
882 struct pci_xhci_dev_emu *dev;
883 struct xhci_dev_ctx *dev_ctx;
884 struct xhci_endp_ctx *ep_ctx;
888 cmderr = XHCI_TRB_ERROR_NO_SLOTS;
889 if (sc->portregs == NULL)
892 DPRINTF(("pci_xhci reset device slot %u", slot));
894 dev = XHCI_SLOTDEV_PTR(sc, slot);
895 if (!dev || dev->dev_slotstate == XHCI_ST_DISABLED)
896 cmderr = XHCI_TRB_ERROR_SLOT_NOT_ON;
898 dev->dev_slotstate = XHCI_ST_DEFAULT;
900 dev->hci.hci_address = 0;
901 dev_ctx = pci_xhci_get_dev_ctx(sc, slot);
904 dev_ctx->ctx_slot.dwSctx3 = FIELD_REPLACE(
905 dev_ctx->ctx_slot.dwSctx3, XHCI_ST_SLCTX_DEFAULT,
908 /* number of contexts */
909 dev_ctx->ctx_slot.dwSctx0 = FIELD_REPLACE(
910 dev_ctx->ctx_slot.dwSctx0, 1, 0x1F, 27);
912 /* reset all eps other than ep-0 */
913 for (i = 2; i <= 31; i++) {
914 ep_ctx = &dev_ctx->ctx_ep[i];
915 ep_ctx->dwEpCtx0 = FIELD_REPLACE( ep_ctx->dwEpCtx0,
916 XHCI_ST_EPCTX_DISABLED, 0x7, 0);
919 cmderr = XHCI_TRB_ERROR_SUCCESS;
922 pci_xhci_reset_slot(sc, slot);
929 pci_xhci_cmd_address_device(struct pci_xhci_softc *sc, uint32_t slot,
930 struct xhci_trb *trb)
932 struct pci_xhci_dev_emu *dev;
933 struct xhci_input_dev_ctx *input_ctx;
934 struct xhci_slot_ctx *islot_ctx;
935 struct xhci_dev_ctx *dev_ctx;
936 struct xhci_endp_ctx *ep0_ctx;
939 input_ctx = XHCI_GADDR(sc, trb->qwTrb0 & ~0xFUL);
940 islot_ctx = &input_ctx->ctx_slot;
941 ep0_ctx = &input_ctx->ctx_ep[1];
943 cmderr = XHCI_TRB_ERROR_SUCCESS;
945 DPRINTF(("pci_xhci: address device, input ctl: D 0x%08x A 0x%08x,",
946 input_ctx->ctx_input.dwInCtx0, input_ctx->ctx_input.dwInCtx1));
947 DPRINTF((" slot %08x %08x %08x %08x",
948 islot_ctx->dwSctx0, islot_ctx->dwSctx1,
949 islot_ctx->dwSctx2, islot_ctx->dwSctx3));
950 DPRINTF((" ep0 %08x %08x %016lx %08x",
951 ep0_ctx->dwEpCtx0, ep0_ctx->dwEpCtx1, ep0_ctx->qwEpCtx2,
954 /* when setting address: drop-ctx=0, add-ctx=slot+ep0 */
955 if ((input_ctx->ctx_input.dwInCtx0 != 0) ||
956 (input_ctx->ctx_input.dwInCtx1 & 0x03) != 0x03) {
957 DPRINTF(("pci_xhci: address device, input ctl invalid"));
958 cmderr = XHCI_TRB_ERROR_TRB;
962 /* assign address to slot */
963 dev_ctx = pci_xhci_get_dev_ctx(sc, slot);
965 DPRINTF(("pci_xhci: address device, dev ctx"));
966 DPRINTF((" slot %08x %08x %08x %08x",
967 dev_ctx->ctx_slot.dwSctx0, dev_ctx->ctx_slot.dwSctx1,
968 dev_ctx->ctx_slot.dwSctx2, dev_ctx->ctx_slot.dwSctx3));
970 dev = XHCI_SLOTDEV_PTR(sc, slot);
973 dev->hci.hci_address = slot;
974 dev->dev_ctx = dev_ctx;
976 if (dev->dev_ue->ue_reset == NULL ||
977 dev->dev_ue->ue_reset(dev->dev_sc) < 0) {
978 cmderr = XHCI_TRB_ERROR_ENDP_NOT_ON;
982 memcpy(&dev_ctx->ctx_slot, islot_ctx, sizeof(struct xhci_slot_ctx));
984 dev_ctx->ctx_slot.dwSctx3 =
985 XHCI_SCTX_3_SLOT_STATE_SET(XHCI_ST_SLCTX_ADDRESSED) |
986 XHCI_SCTX_3_DEV_ADDR_SET(slot);
988 memcpy(&dev_ctx->ctx_ep[1], ep0_ctx, sizeof(struct xhci_endp_ctx));
989 ep0_ctx = &dev_ctx->ctx_ep[1];
990 ep0_ctx->dwEpCtx0 = (ep0_ctx->dwEpCtx0 & ~0x7) |
991 XHCI_EPCTX_0_EPSTATE_SET(XHCI_ST_EPCTX_RUNNING);
993 pci_xhci_init_ep(dev, 1);
995 dev->dev_slotstate = XHCI_ST_ADDRESSED;
997 DPRINTF(("pci_xhci: address device, output ctx"));
998 DPRINTF((" slot %08x %08x %08x %08x",
999 dev_ctx->ctx_slot.dwSctx0, dev_ctx->ctx_slot.dwSctx1,
1000 dev_ctx->ctx_slot.dwSctx2, dev_ctx->ctx_slot.dwSctx3));
1001 DPRINTF((" ep0 %08x %08x %016lx %08x",
1002 ep0_ctx->dwEpCtx0, ep0_ctx->dwEpCtx1, ep0_ctx->qwEpCtx2,
1003 ep0_ctx->dwEpCtx4));
1010 pci_xhci_cmd_config_ep(struct pci_xhci_softc *sc, uint32_t slot,
1011 struct xhci_trb *trb)
1013 struct xhci_input_dev_ctx *input_ctx;
1014 struct pci_xhci_dev_emu *dev;
1015 struct xhci_dev_ctx *dev_ctx;
1016 struct xhci_endp_ctx *ep_ctx, *iep_ctx;
1020 cmderr = XHCI_TRB_ERROR_SUCCESS;
1022 DPRINTF(("pci_xhci config_ep slot %u", slot));
1024 dev = XHCI_SLOTDEV_PTR(sc, slot);
1025 assert(dev != NULL);
1027 if ((trb->dwTrb3 & XHCI_TRB_3_DCEP_BIT) != 0) {
1028 DPRINTF(("pci_xhci config_ep - deconfigure ep slot %u",
1030 if (dev->dev_ue->ue_stop != NULL)
1031 dev->dev_ue->ue_stop(dev->dev_sc);
1033 dev->dev_slotstate = XHCI_ST_ADDRESSED;
1035 dev->hci.hci_address = 0;
1036 dev_ctx = pci_xhci_get_dev_ctx(sc, slot);
1038 /* number of contexts */
1039 dev_ctx->ctx_slot.dwSctx0 = FIELD_REPLACE(
1040 dev_ctx->ctx_slot.dwSctx0, 1, 0x1F, 27);
1043 dev_ctx->ctx_slot.dwSctx3 = FIELD_REPLACE(
1044 dev_ctx->ctx_slot.dwSctx3, XHCI_ST_SLCTX_ADDRESSED,
1047 /* disable endpoints */
1048 for (i = 2; i < 32; i++)
1049 pci_xhci_disable_ep(dev, i);
1051 cmderr = XHCI_TRB_ERROR_SUCCESS;
1056 if (dev->dev_slotstate < XHCI_ST_ADDRESSED) {
1057 DPRINTF(("pci_xhci: config_ep slotstate x%x != addressed",
1058 dev->dev_slotstate));
1059 cmderr = XHCI_TRB_ERROR_SLOT_NOT_ON;
1063 /* In addressed/configured state;
1064 * for each drop endpoint ctx flag:
1065 * ep->state = DISABLED
1066 * for each add endpoint ctx flag:
1068 * ep->state = RUNNING
1069 * for each drop+add endpoint flag:
1070 * reset ep resources
1072 * ep->state = RUNNING
1073 * if input->DisabledCtx[2-31] < 30: (at least 1 ep not disabled)
1074 * slot->state = configured
1077 input_ctx = XHCI_GADDR(sc, trb->qwTrb0 & ~0xFUL);
1078 dev_ctx = dev->dev_ctx;
1079 DPRINTF(("pci_xhci: config_ep inputctx: D:x%08x A:x%08x 7:x%08x",
1080 input_ctx->ctx_input.dwInCtx0, input_ctx->ctx_input.dwInCtx1,
1081 input_ctx->ctx_input.dwInCtx7));
1083 for (i = 2; i <= 31; i++) {
1084 ep_ctx = &dev_ctx->ctx_ep[i];
1086 if (input_ctx->ctx_input.dwInCtx0 &
1087 XHCI_INCTX_0_DROP_MASK(i)) {
1088 DPRINTF((" config ep - dropping ep %d", i));
1089 pci_xhci_disable_ep(dev, i);
1092 if (input_ctx->ctx_input.dwInCtx1 &
1093 XHCI_INCTX_1_ADD_MASK(i)) {
1094 iep_ctx = &input_ctx->ctx_ep[i];
1096 DPRINTF((" enable ep[%d] %08x %08x %016lx %08x",
1097 i, iep_ctx->dwEpCtx0, iep_ctx->dwEpCtx1,
1098 iep_ctx->qwEpCtx2, iep_ctx->dwEpCtx4));
1100 memcpy(ep_ctx, iep_ctx, sizeof(struct xhci_endp_ctx));
1102 pci_xhci_init_ep(dev, i);
1105 ep_ctx->dwEpCtx0 = FIELD_REPLACE(
1106 ep_ctx->dwEpCtx0, XHCI_ST_EPCTX_RUNNING, 0x7, 0);
1110 /* slot state to configured */
1111 dev_ctx->ctx_slot.dwSctx3 = FIELD_REPLACE(
1112 dev_ctx->ctx_slot.dwSctx3, XHCI_ST_SLCTX_CONFIGURED, 0x1F, 27);
1113 dev_ctx->ctx_slot.dwSctx0 = FIELD_COPY(
1114 dev_ctx->ctx_slot.dwSctx0, input_ctx->ctx_slot.dwSctx0, 0x1F, 27);
1115 dev->dev_slotstate = XHCI_ST_CONFIGURED;
1117 DPRINTF(("EP configured; slot %u [0]=0x%08x [1]=0x%08x [2]=0x%08x "
1119 slot, dev_ctx->ctx_slot.dwSctx0, dev_ctx->ctx_slot.dwSctx1,
1120 dev_ctx->ctx_slot.dwSctx2, dev_ctx->ctx_slot.dwSctx3));
1127 pci_xhci_cmd_reset_ep(struct pci_xhci_softc *sc, uint32_t slot,
1128 struct xhci_trb *trb)
1130 struct pci_xhci_dev_emu *dev;
1131 struct pci_xhci_dev_ep *devep;
1132 struct xhci_dev_ctx *dev_ctx;
1133 struct xhci_endp_ctx *ep_ctx;
1134 uint32_t cmderr, epid;
1137 epid = XHCI_TRB_3_EP_GET(trb->dwTrb3);
1139 DPRINTF(("pci_xhci: reset ep %u: slot %u", epid, slot));
1141 cmderr = XHCI_TRB_ERROR_SUCCESS;
1143 type = XHCI_TRB_3_TYPE_GET(trb->dwTrb3);
1145 dev = XHCI_SLOTDEV_PTR(sc, slot);
1146 assert(dev != NULL);
1148 if (type == XHCI_TRB_TYPE_STOP_EP &&
1149 (trb->dwTrb3 & XHCI_TRB_3_SUSP_EP_BIT) != 0) {
1150 /* XXX suspend endpoint for 10ms */
1153 if (epid < 1 || epid > 31) {
1154 DPRINTF(("pci_xhci: reset ep: invalid epid %u", epid));
1155 cmderr = XHCI_TRB_ERROR_TRB;
1159 devep = &dev->eps[epid];
1160 if (devep->ep_xfer != NULL)
1161 USB_DATA_XFER_RESET(devep->ep_xfer);
1163 dev_ctx = dev->dev_ctx;
1164 assert(dev_ctx != NULL);
1166 ep_ctx = &dev_ctx->ctx_ep[epid];
1168 ep_ctx->dwEpCtx0 = (ep_ctx->dwEpCtx0 & ~0x7) | XHCI_ST_EPCTX_STOPPED;
1170 if (devep->ep_MaxPStreams == 0)
1171 ep_ctx->qwEpCtx2 = devep->ep_ringaddr | devep->ep_ccs;
1173 DPRINTF(("pci_xhci: reset ep[%u] %08x %08x %016lx %08x",
1174 epid, ep_ctx->dwEpCtx0, ep_ctx->dwEpCtx1, ep_ctx->qwEpCtx2,
1177 if (type == XHCI_TRB_TYPE_RESET_EP &&
1178 (dev->dev_ue->ue_reset == NULL ||
1179 dev->dev_ue->ue_reset(dev->dev_sc) < 0)) {
1180 cmderr = XHCI_TRB_ERROR_ENDP_NOT_ON;
1190 pci_xhci_find_stream(struct pci_xhci_softc *sc, struct xhci_endp_ctx *ep,
1191 struct pci_xhci_dev_ep *devep, uint32_t streamid)
1193 struct xhci_stream_ctx *sctx;
1195 if (devep->ep_MaxPStreams == 0)
1196 return (XHCI_TRB_ERROR_TRB);
1198 if (devep->ep_MaxPStreams > XHCI_STREAMS_MAX)
1199 return (XHCI_TRB_ERROR_INVALID_SID);
1201 if (XHCI_EPCTX_0_LSA_GET(ep->dwEpCtx0) == 0) {
1202 DPRINTF(("pci_xhci: find_stream; LSA bit not set"));
1203 return (XHCI_TRB_ERROR_INVALID_SID);
1206 /* only support primary stream */
1207 if (streamid > devep->ep_MaxPStreams)
1208 return (XHCI_TRB_ERROR_STREAM_TYPE);
1210 sctx = (struct xhci_stream_ctx *)XHCI_GADDR(sc, ep->qwEpCtx2 & ~0xFUL) +
1212 if (!XHCI_SCTX_0_SCT_GET(sctx->qwSctx0))
1213 return (XHCI_TRB_ERROR_STREAM_TYPE);
1215 return (XHCI_TRB_ERROR_SUCCESS);
1220 pci_xhci_cmd_set_tr(struct pci_xhci_softc *sc, uint32_t slot,
1221 struct xhci_trb *trb)
1223 struct pci_xhci_dev_emu *dev;
1224 struct pci_xhci_dev_ep *devep;
1225 struct xhci_dev_ctx *dev_ctx;
1226 struct xhci_endp_ctx *ep_ctx;
1227 uint32_t cmderr, epid;
1230 cmderr = XHCI_TRB_ERROR_SUCCESS;
1232 dev = XHCI_SLOTDEV_PTR(sc, slot);
1233 assert(dev != NULL);
1235 DPRINTF(("pci_xhci set_tr: new-tr x%016lx, SCT %u DCS %u",
1236 (trb->qwTrb0 & ~0xF), (uint32_t)((trb->qwTrb0 >> 1) & 0x7),
1237 (uint32_t)(trb->qwTrb0 & 0x1)));
1238 DPRINTF((" stream-id %u, slot %u, epid %u, C %u",
1239 (trb->dwTrb2 >> 16) & 0xFFFF,
1240 XHCI_TRB_3_SLOT_GET(trb->dwTrb3),
1241 XHCI_TRB_3_EP_GET(trb->dwTrb3), trb->dwTrb3 & 0x1));
1243 epid = XHCI_TRB_3_EP_GET(trb->dwTrb3);
1244 if (epid < 1 || epid > 31) {
1245 DPRINTF(("pci_xhci: set_tr_deq: invalid epid %u", epid));
1246 cmderr = XHCI_TRB_ERROR_TRB;
1250 dev_ctx = dev->dev_ctx;
1251 assert(dev_ctx != NULL);
1253 ep_ctx = &dev_ctx->ctx_ep[epid];
1254 devep = &dev->eps[epid];
1256 switch (XHCI_EPCTX_0_EPSTATE_GET(ep_ctx->dwEpCtx0)) {
1257 case XHCI_ST_EPCTX_STOPPED:
1258 case XHCI_ST_EPCTX_ERROR:
1261 DPRINTF(("pci_xhci cmd set_tr invalid state %x",
1262 XHCI_EPCTX_0_EPSTATE_GET(ep_ctx->dwEpCtx0)));
1263 cmderr = XHCI_TRB_ERROR_CONTEXT_STATE;
1267 streamid = XHCI_TRB_2_STREAM_GET(trb->dwTrb2);
1268 if (devep->ep_MaxPStreams > 0) {
1269 cmderr = pci_xhci_find_stream(sc, ep_ctx, devep, streamid);
1270 if (cmderr == XHCI_TRB_ERROR_SUCCESS) {
1271 assert(devep->ep_sctx != NULL);
1273 devep->ep_sctx[streamid].qwSctx0 = trb->qwTrb0;
1274 devep->ep_sctx_trbs[streamid].ringaddr =
1276 devep->ep_sctx_trbs[streamid].ccs =
1277 XHCI_EPCTX_2_DCS_GET(trb->qwTrb0);
1280 if (streamid != 0) {
1281 DPRINTF(("pci_xhci cmd set_tr streamid %x != 0",
1284 ep_ctx->qwEpCtx2 = trb->qwTrb0 & ~0xFUL;
1285 devep->ep_ringaddr = ep_ctx->qwEpCtx2 & ~0xFUL;
1286 devep->ep_ccs = trb->qwTrb0 & 0x1;
1287 devep->ep_tr = XHCI_GADDR(sc, devep->ep_ringaddr);
1289 DPRINTF(("pci_xhci set_tr first TRB:"));
1290 pci_xhci_dump_trb(devep->ep_tr);
1292 ep_ctx->dwEpCtx0 = (ep_ctx->dwEpCtx0 & ~0x7) | XHCI_ST_EPCTX_STOPPED;
1299 pci_xhci_cmd_eval_ctx(struct pci_xhci_softc *sc, uint32_t slot,
1300 struct xhci_trb *trb)
1302 struct xhci_input_dev_ctx *input_ctx;
1303 struct xhci_slot_ctx *islot_ctx;
1304 struct xhci_dev_ctx *dev_ctx;
1305 struct xhci_endp_ctx *ep0_ctx;
1308 input_ctx = XHCI_GADDR(sc, trb->qwTrb0 & ~0xFUL);
1309 islot_ctx = &input_ctx->ctx_slot;
1310 ep0_ctx = &input_ctx->ctx_ep[1];
1312 cmderr = XHCI_TRB_ERROR_SUCCESS;
1313 DPRINTF(("pci_xhci: eval ctx, input ctl: D 0x%08x A 0x%08x,",
1314 input_ctx->ctx_input.dwInCtx0, input_ctx->ctx_input.dwInCtx1));
1315 DPRINTF((" slot %08x %08x %08x %08x",
1316 islot_ctx->dwSctx0, islot_ctx->dwSctx1,
1317 islot_ctx->dwSctx2, islot_ctx->dwSctx3));
1318 DPRINTF((" ep0 %08x %08x %016lx %08x",
1319 ep0_ctx->dwEpCtx0, ep0_ctx->dwEpCtx1, ep0_ctx->qwEpCtx2,
1320 ep0_ctx->dwEpCtx4));
1322 /* this command expects drop-ctx=0 & add-ctx=slot+ep0 */
1323 if ((input_ctx->ctx_input.dwInCtx0 != 0) ||
1324 (input_ctx->ctx_input.dwInCtx1 & 0x03) == 0) {
1325 DPRINTF(("pci_xhci: eval ctx, input ctl invalid"));
1326 cmderr = XHCI_TRB_ERROR_TRB;
1330 /* assign address to slot; in this emulation, slot_id = address */
1331 dev_ctx = pci_xhci_get_dev_ctx(sc, slot);
1333 DPRINTF(("pci_xhci: eval ctx, dev ctx"));
1334 DPRINTF((" slot %08x %08x %08x %08x",
1335 dev_ctx->ctx_slot.dwSctx0, dev_ctx->ctx_slot.dwSctx1,
1336 dev_ctx->ctx_slot.dwSctx2, dev_ctx->ctx_slot.dwSctx3));
1338 if (input_ctx->ctx_input.dwInCtx1 & 0x01) { /* slot ctx */
1339 /* set max exit latency */
1340 dev_ctx->ctx_slot.dwSctx1 = FIELD_COPY(
1341 dev_ctx->ctx_slot.dwSctx1, input_ctx->ctx_slot.dwSctx1,
1344 /* set interrupter target */
1345 dev_ctx->ctx_slot.dwSctx2 = FIELD_COPY(
1346 dev_ctx->ctx_slot.dwSctx2, input_ctx->ctx_slot.dwSctx2,
1349 if (input_ctx->ctx_input.dwInCtx1 & 0x02) { /* control ctx */
1350 /* set max packet size */
1351 dev_ctx->ctx_ep[1].dwEpCtx1 = FIELD_COPY(
1352 dev_ctx->ctx_ep[1].dwEpCtx1, ep0_ctx->dwEpCtx1,
1355 ep0_ctx = &dev_ctx->ctx_ep[1];
1358 DPRINTF(("pci_xhci: eval ctx, output ctx"));
1359 DPRINTF((" slot %08x %08x %08x %08x",
1360 dev_ctx->ctx_slot.dwSctx0, dev_ctx->ctx_slot.dwSctx1,
1361 dev_ctx->ctx_slot.dwSctx2, dev_ctx->ctx_slot.dwSctx3));
1362 DPRINTF((" ep0 %08x %08x %016lx %08x",
1363 ep0_ctx->dwEpCtx0, ep0_ctx->dwEpCtx1, ep0_ctx->qwEpCtx2,
1364 ep0_ctx->dwEpCtx4));
1371 pci_xhci_complete_commands(struct pci_xhci_softc *sc)
1373 struct xhci_trb evtrb;
1374 struct xhci_trb *trb;
1376 uint32_t ccs; /* cycle state (XHCI 4.9.2) */
1383 sc->opregs.crcr |= XHCI_CRCR_LO_CRR;
1385 trb = sc->opregs.cr_p;
1386 ccs = sc->opregs.crcr & XHCI_CRCR_LO_RCS;
1387 crcr = sc->opregs.crcr & ~0xF;
1390 sc->opregs.cr_p = trb;
1392 type = XHCI_TRB_3_TYPE_GET(trb->dwTrb3);
1394 if ((trb->dwTrb3 & XHCI_TRB_3_CYCLE_BIT) !=
1395 (ccs & XHCI_TRB_3_CYCLE_BIT))
1398 DPRINTF(("pci_xhci: cmd type 0x%x, Trb0 x%016lx dwTrb2 x%08x"
1399 " dwTrb3 x%08x, TRB_CYCLE %u/ccs %u",
1400 type, trb->qwTrb0, trb->dwTrb2, trb->dwTrb3,
1401 trb->dwTrb3 & XHCI_TRB_3_CYCLE_BIT, ccs));
1403 cmderr = XHCI_TRB_ERROR_SUCCESS;
1405 evtrb.dwTrb3 = (ccs & XHCI_TRB_3_CYCLE_BIT) |
1406 XHCI_TRB_3_TYPE_SET(XHCI_TRB_EVENT_CMD_COMPLETE);
1410 case XHCI_TRB_TYPE_LINK: /* 0x06 */
1411 if (trb->dwTrb3 & XHCI_TRB_3_TC_BIT)
1412 ccs ^= XHCI_CRCR_LO_RCS;
1415 case XHCI_TRB_TYPE_ENABLE_SLOT: /* 0x09 */
1416 cmderr = pci_xhci_cmd_enable_slot(sc, &slot);
1419 case XHCI_TRB_TYPE_DISABLE_SLOT: /* 0x0A */
1420 slot = XHCI_TRB_3_SLOT_GET(trb->dwTrb3);
1421 cmderr = pci_xhci_cmd_disable_slot(sc, slot);
1424 case XHCI_TRB_TYPE_ADDRESS_DEVICE: /* 0x0B */
1425 slot = XHCI_TRB_3_SLOT_GET(trb->dwTrb3);
1426 cmderr = pci_xhci_cmd_address_device(sc, slot, trb);
1429 case XHCI_TRB_TYPE_CONFIGURE_EP: /* 0x0C */
1430 slot = XHCI_TRB_3_SLOT_GET(trb->dwTrb3);
1431 cmderr = pci_xhci_cmd_config_ep(sc, slot, trb);
1434 case XHCI_TRB_TYPE_EVALUATE_CTX: /* 0x0D */
1435 slot = XHCI_TRB_3_SLOT_GET(trb->dwTrb3);
1436 cmderr = pci_xhci_cmd_eval_ctx(sc, slot, trb);
1439 case XHCI_TRB_TYPE_RESET_EP: /* 0x0E */
1440 DPRINTF(("Reset Endpoint on slot %d", slot));
1441 slot = XHCI_TRB_3_SLOT_GET(trb->dwTrb3);
1442 cmderr = pci_xhci_cmd_reset_ep(sc, slot, trb);
1445 case XHCI_TRB_TYPE_STOP_EP: /* 0x0F */
1446 DPRINTF(("Stop Endpoint on slot %d", slot));
1447 slot = XHCI_TRB_3_SLOT_GET(trb->dwTrb3);
1448 cmderr = pci_xhci_cmd_reset_ep(sc, slot, trb);
1451 case XHCI_TRB_TYPE_SET_TR_DEQUEUE: /* 0x10 */
1452 slot = XHCI_TRB_3_SLOT_GET(trb->dwTrb3);
1453 cmderr = pci_xhci_cmd_set_tr(sc, slot, trb);
1456 case XHCI_TRB_TYPE_RESET_DEVICE: /* 0x11 */
1457 slot = XHCI_TRB_3_SLOT_GET(trb->dwTrb3);
1458 cmderr = pci_xhci_cmd_reset_device(sc, slot);
1461 case XHCI_TRB_TYPE_FORCE_EVENT: /* 0x12 */
1465 case XHCI_TRB_TYPE_NEGOTIATE_BW: /* 0x13 */
1468 case XHCI_TRB_TYPE_SET_LATENCY_TOL: /* 0x14 */
1471 case XHCI_TRB_TYPE_GET_PORT_BW: /* 0x15 */
1474 case XHCI_TRB_TYPE_FORCE_HEADER: /* 0x16 */
1477 case XHCI_TRB_TYPE_NOOP_CMD: /* 0x17 */
1481 DPRINTF(("pci_xhci: unsupported cmd %x", type));
1485 if (type != XHCI_TRB_TYPE_LINK) {
1487 * insert command completion event and assert intr
1489 evtrb.qwTrb0 = crcr;
1490 evtrb.dwTrb2 |= XHCI_TRB_2_ERROR_SET(cmderr);
1491 evtrb.dwTrb3 |= XHCI_TRB_3_SLOT_SET(slot);
1492 DPRINTF(("pci_xhci: command 0x%x result: 0x%x",
1494 pci_xhci_insert_event(sc, &evtrb, 1);
1497 trb = pci_xhci_trb_next(sc, trb, &crcr);
1500 sc->opregs.crcr = crcr | (sc->opregs.crcr & XHCI_CRCR_LO_CA) | ccs;
1501 sc->opregs.crcr &= ~XHCI_CRCR_LO_CRR;
1506 pci_xhci_dump_trb(struct xhci_trb *trb)
1508 static const char *trbtypes[] = {
1536 type = XHCI_TRB_3_TYPE_GET(trb->dwTrb3);
1537 DPRINTF(("pci_xhci: trb[@%p] type x%02x %s 0:x%016lx 2:x%08x 3:x%08x",
1539 type <= XHCI_TRB_TYPE_NOOP_CMD ? trbtypes[type] : "INVALID",
1540 trb->qwTrb0, trb->dwTrb2, trb->dwTrb3));
1544 pci_xhci_xfer_complete(struct pci_xhci_softc *sc, struct usb_data_xfer *xfer,
1545 uint32_t slot, uint32_t epid, int *do_intr)
1547 struct pci_xhci_dev_emu *dev;
1548 struct pci_xhci_dev_ep *devep;
1549 struct xhci_dev_ctx *dev_ctx;
1550 struct xhci_endp_ctx *ep_ctx;
1551 struct xhci_trb *trb;
1552 struct xhci_trb evtrb;
1557 dev = XHCI_SLOTDEV_PTR(sc, slot);
1558 devep = &dev->eps[epid];
1559 dev_ctx = pci_xhci_get_dev_ctx(sc, slot);
1561 assert(dev_ctx != NULL);
1563 ep_ctx = &dev_ctx->ctx_ep[epid];
1565 err = XHCI_TRB_ERROR_SUCCESS;
1569 /* go through list of TRBs and insert event(s) */
1570 for (i = xfer->head; xfer->ndata > 0; ) {
1571 evtrb.qwTrb0 = (uint64_t)xfer->data[i].hci_data;
1572 trb = XHCI_GADDR(sc, evtrb.qwTrb0);
1573 trbflags = trb->dwTrb3;
1575 DPRINTF(("pci_xhci: xfer[%d] done?%u:%d trb %x %016lx %x "
1577 i, xfer->data[i].processed, xfer->data[i].blen,
1578 XHCI_TRB_3_TYPE_GET(trbflags), evtrb.qwTrb0,
1580 trb->dwTrb3 & XHCI_TRB_3_IOC_BIT ? 1 : 0));
1582 if (!xfer->data[i].processed) {
1588 edtla += xfer->data[i].bdone;
1590 trb->dwTrb3 = (trb->dwTrb3 & ~0x1) | (xfer->data[i].ccs);
1592 pci_xhci_update_ep_ring(sc, dev, devep, ep_ctx,
1593 xfer->data[i].streamid, xfer->data[i].trbnext,
1596 /* Only interrupt if IOC or short packet */
1597 if (!(trb->dwTrb3 & XHCI_TRB_3_IOC_BIT) &&
1598 !((err == XHCI_TRB_ERROR_SHORT_PKT) &&
1599 (trb->dwTrb3 & XHCI_TRB_3_ISP_BIT))) {
1601 i = (i + 1) % USB_MAX_XFER_BLOCKS;
1605 evtrb.dwTrb2 = XHCI_TRB_2_ERROR_SET(err) |
1606 XHCI_TRB_2_REM_SET(xfer->data[i].blen);
1608 evtrb.dwTrb3 = XHCI_TRB_3_TYPE_SET(XHCI_TRB_EVENT_TRANSFER) |
1609 XHCI_TRB_3_SLOT_SET(slot) | XHCI_TRB_3_EP_SET(epid);
1611 if (XHCI_TRB_3_TYPE_GET(trbflags) == XHCI_TRB_TYPE_EVENT_DATA) {
1612 DPRINTF(("pci_xhci EVENT_DATA edtla %u", edtla));
1613 evtrb.qwTrb0 = trb->qwTrb0;
1614 evtrb.dwTrb2 = (edtla & 0xFFFFF) |
1615 XHCI_TRB_2_ERROR_SET(err);
1616 evtrb.dwTrb3 |= XHCI_TRB_3_ED_BIT;
1622 err = pci_xhci_insert_event(sc, &evtrb, 0);
1623 if (err != XHCI_TRB_ERROR_SUCCESS) {
1627 i = (i + 1) % USB_MAX_XFER_BLOCKS;
1634 pci_xhci_update_ep_ring(struct pci_xhci_softc *sc,
1635 struct pci_xhci_dev_emu *dev __unused, struct pci_xhci_dev_ep *devep,
1636 struct xhci_endp_ctx *ep_ctx, uint32_t streamid, uint64_t ringaddr, int ccs)
1639 if (devep->ep_MaxPStreams != 0) {
1640 devep->ep_sctx[streamid].qwSctx0 = (ringaddr & ~0xFUL) |
1643 devep->ep_sctx_trbs[streamid].ringaddr = ringaddr & ~0xFUL;
1644 devep->ep_sctx_trbs[streamid].ccs = ccs & 0x1;
1645 ep_ctx->qwEpCtx2 = (ep_ctx->qwEpCtx2 & ~0x1) | (ccs & 0x1);
1647 DPRINTF(("xhci update ep-ring stream %d, addr %lx",
1648 streamid, devep->ep_sctx[streamid].qwSctx0));
1650 devep->ep_ringaddr = ringaddr & ~0xFUL;
1651 devep->ep_ccs = ccs & 0x1;
1652 devep->ep_tr = XHCI_GADDR(sc, ringaddr & ~0xFUL);
1653 ep_ctx->qwEpCtx2 = (ringaddr & ~0xFUL) | (ccs & 0x1);
1655 DPRINTF(("xhci update ep-ring, addr %lx",
1656 (devep->ep_ringaddr | devep->ep_ccs)));
1661 * Outstanding transfer still in progress (device NAK'd earlier) so retry
1662 * the transfer again to see if it succeeds.
1665 pci_xhci_try_usb_xfer(struct pci_xhci_softc *sc,
1666 struct pci_xhci_dev_emu *dev, struct pci_xhci_dev_ep *devep,
1667 struct xhci_endp_ctx *ep_ctx, uint32_t slot, uint32_t epid)
1669 struct usb_data_xfer *xfer;
1673 ep_ctx->dwEpCtx0 = FIELD_REPLACE(
1674 ep_ctx->dwEpCtx0, XHCI_ST_EPCTX_RUNNING, 0x7, 0);
1679 xfer = devep->ep_xfer;
1680 USB_DATA_XFER_LOCK(xfer);
1682 /* outstanding requests queued up */
1683 if (dev->dev_ue->ue_data != NULL) {
1684 err = dev->dev_ue->ue_data(dev->dev_sc, xfer,
1685 epid & 0x1 ? USB_XFER_IN : USB_XFER_OUT, epid/2);
1686 if (err == USB_ERR_CANCELLED) {
1687 if (USB_DATA_GET_ERRCODE(&xfer->data[xfer->head]) ==
1689 err = XHCI_TRB_ERROR_SUCCESS;
1691 err = pci_xhci_xfer_complete(sc, xfer, slot, epid,
1693 if (err == XHCI_TRB_ERROR_SUCCESS && do_intr) {
1694 pci_xhci_assert_interrupt(sc);
1698 /* XXX should not do it if error? */
1699 USB_DATA_XFER_RESET(xfer);
1703 USB_DATA_XFER_UNLOCK(xfer);
1711 pci_xhci_handle_transfer(struct pci_xhci_softc *sc,
1712 struct pci_xhci_dev_emu *dev, struct pci_xhci_dev_ep *devep,
1713 struct xhci_endp_ctx *ep_ctx, struct xhci_trb *trb, uint32_t slot,
1714 uint32_t epid, uint64_t addr, uint32_t ccs, uint32_t streamid)
1716 struct xhci_trb *setup_trb;
1717 struct usb_data_xfer *xfer;
1718 struct usb_data_xfer_block *xfer_block;
1724 ep_ctx->dwEpCtx0 = FIELD_REPLACE(ep_ctx->dwEpCtx0,
1725 XHCI_ST_EPCTX_RUNNING, 0x7, 0);
1727 xfer = devep->ep_xfer;
1728 USB_DATA_XFER_LOCK(xfer);
1730 DPRINTF(("pci_xhci handle_transfer slot %u", slot));
1733 err = XHCI_TRB_ERROR_INVALID;
1739 pci_xhci_dump_trb(trb);
1741 trbflags = trb->dwTrb3;
1743 if (XHCI_TRB_3_TYPE_GET(trbflags) != XHCI_TRB_TYPE_LINK &&
1744 (trbflags & XHCI_TRB_3_CYCLE_BIT) !=
1745 (ccs & XHCI_TRB_3_CYCLE_BIT)) {
1746 DPRINTF(("Cycle-bit changed trbflags %x, ccs %x",
1747 trbflags & XHCI_TRB_3_CYCLE_BIT, ccs));
1753 switch (XHCI_TRB_3_TYPE_GET(trbflags)) {
1754 case XHCI_TRB_TYPE_LINK:
1755 if (trb->dwTrb3 & XHCI_TRB_3_TC_BIT)
1758 xfer_block = usb_data_xfer_append(xfer, NULL, 0,
1760 xfer_block->processed = 1;
1763 case XHCI_TRB_TYPE_SETUP_STAGE:
1764 if ((trbflags & XHCI_TRB_3_IDT_BIT) == 0 ||
1765 XHCI_TRB_2_BYTES_GET(trb->dwTrb2) != 8) {
1766 DPRINTF(("pci_xhci: invalid setup trb"));
1767 err = XHCI_TRB_ERROR_TRB;
1774 xfer->ureq = malloc(
1775 sizeof(struct usb_device_request));
1776 memcpy(xfer->ureq, &val,
1777 sizeof(struct usb_device_request));
1779 xfer_block = usb_data_xfer_append(xfer, NULL, 0,
1781 xfer_block->processed = 1;
1784 case XHCI_TRB_TYPE_NORMAL:
1785 case XHCI_TRB_TYPE_ISOCH:
1786 if (setup_trb != NULL) {
1787 DPRINTF(("pci_xhci: trb not supposed to be in "
1789 err = XHCI_TRB_ERROR_TRB;
1794 case XHCI_TRB_TYPE_DATA_STAGE:
1795 xfer_block = usb_data_xfer_append(xfer,
1796 (void *)(trbflags & XHCI_TRB_3_IDT_BIT ?
1797 &trb->qwTrb0 : XHCI_GADDR(sc, trb->qwTrb0)),
1798 trb->dwTrb2 & 0x1FFFF, (void *)addr, ccs);
1801 case XHCI_TRB_TYPE_STATUS_STAGE:
1802 xfer_block = usb_data_xfer_append(xfer, NULL, 0,
1806 case XHCI_TRB_TYPE_NOOP:
1807 xfer_block = usb_data_xfer_append(xfer, NULL, 0,
1809 xfer_block->processed = 1;
1812 case XHCI_TRB_TYPE_EVENT_DATA:
1813 xfer_block = usb_data_xfer_append(xfer, NULL, 0,
1815 if ((epid > 1) && (trbflags & XHCI_TRB_3_IOC_BIT)) {
1816 xfer_block->processed = 1;
1821 DPRINTF(("pci_xhci: handle xfer unexpected trb type "
1823 XHCI_TRB_3_TYPE_GET(trbflags)));
1824 err = XHCI_TRB_ERROR_TRB;
1828 trb = pci_xhci_trb_next(sc, trb, &addr);
1830 DPRINTF(("pci_xhci: next trb: 0x%lx", (uint64_t)trb));
1833 xfer_block->trbnext = addr;
1834 xfer_block->streamid = streamid;
1837 if (!setup_trb && !(trbflags & XHCI_TRB_3_CHAIN_BIT) &&
1838 XHCI_TRB_3_TYPE_GET(trbflags) != XHCI_TRB_TYPE_LINK) {
1842 /* handle current batch that requires interrupt on complete */
1843 if (trbflags & XHCI_TRB_3_IOC_BIT) {
1844 DPRINTF(("pci_xhci: trb IOC bit set"));
1851 DPRINTF(("pci_xhci[%d]: xfer->ndata %u", __LINE__, xfer->ndata));
1853 if (xfer->ndata <= 0)
1859 if (dev->dev_ue->ue_request != NULL)
1860 usberr = dev->dev_ue->ue_request(dev->dev_sc, xfer);
1862 usberr = USB_ERR_NOT_STARTED;
1863 err = USB_TO_XHCI_ERR(usberr);
1864 if (err == XHCI_TRB_ERROR_SUCCESS ||
1865 err == XHCI_TRB_ERROR_STALL ||
1866 err == XHCI_TRB_ERROR_SHORT_PKT) {
1867 err = pci_xhci_xfer_complete(sc, xfer, slot, epid,
1869 if (err != XHCI_TRB_ERROR_SUCCESS)
1874 /* handle data transfer */
1875 pci_xhci_try_usb_xfer(sc, dev, devep, ep_ctx, slot, epid);
1876 err = XHCI_TRB_ERROR_SUCCESS;
1880 if (err == XHCI_TRB_ERROR_EV_RING_FULL)
1881 DPRINTF(("pci_xhci[%d]: event ring full", __LINE__));
1884 USB_DATA_XFER_UNLOCK(xfer);
1887 pci_xhci_assert_interrupt(sc);
1890 USB_DATA_XFER_RESET(xfer);
1891 DPRINTF(("pci_xhci[%d]: retry:continuing with next TRBs",
1897 USB_DATA_XFER_RESET(xfer);
1903 pci_xhci_device_doorbell(struct pci_xhci_softc *sc, uint32_t slot,
1904 uint32_t epid, uint32_t streamid)
1906 struct pci_xhci_dev_emu *dev;
1907 struct pci_xhci_dev_ep *devep;
1908 struct xhci_dev_ctx *dev_ctx;
1909 struct xhci_endp_ctx *ep_ctx;
1910 struct pci_xhci_trb_ring *sctx_tr;
1911 struct xhci_trb *trb;
1916 DPRINTF(("pci_xhci doorbell slot %u epid %u stream %u",
1917 slot, epid, streamid));
1919 if (slot == 0 || slot > XHCI_MAX_SLOTS) {
1920 DPRINTF(("pci_xhci: invalid doorbell slot %u", slot));
1924 if (epid == 0 || epid >= XHCI_MAX_ENDPOINTS) {
1925 DPRINTF(("pci_xhci: invalid endpoint %u", epid));
1929 dev = XHCI_SLOTDEV_PTR(sc, slot);
1930 devep = &dev->eps[epid];
1931 dev_ctx = pci_xhci_get_dev_ctx(sc, slot);
1935 ep_ctx = &dev_ctx->ctx_ep[epid];
1939 DPRINTF(("pci_xhci: device doorbell ep[%u] %08x %08x %016lx %08x",
1940 epid, ep_ctx->dwEpCtx0, ep_ctx->dwEpCtx1, ep_ctx->qwEpCtx2,
1943 if (ep_ctx->qwEpCtx2 == 0)
1946 /* handle pending transfers */
1947 if (devep->ep_xfer->ndata > 0) {
1948 pci_xhci_try_usb_xfer(sc, dev, devep, ep_ctx, slot, epid);
1952 /* get next trb work item */
1953 if (devep->ep_MaxPStreams != 0) {
1955 * Stream IDs of 0, 65535 (any stream), and 65534
1956 * (prime) are invalid.
1958 if (streamid == 0 || streamid == 65534 || streamid == 65535) {
1959 DPRINTF(("pci_xhci: invalid stream %u", streamid));
1963 error = pci_xhci_find_stream(sc, ep_ctx, devep, streamid);
1964 if (error != XHCI_TRB_ERROR_SUCCESS) {
1965 DPRINTF(("pci_xhci: invalid stream %u: %d",
1969 sctx_tr = &devep->ep_sctx_trbs[streamid];
1970 ringaddr = sctx_tr->ringaddr;
1972 trb = XHCI_GADDR(sc, sctx_tr->ringaddr & ~0xFUL);
1973 DPRINTF(("doorbell, stream %u, ccs %lx, trb ccs %x",
1974 streamid, ep_ctx->qwEpCtx2 & XHCI_TRB_3_CYCLE_BIT,
1975 trb->dwTrb3 & XHCI_TRB_3_CYCLE_BIT));
1977 if (streamid != 0) {
1978 DPRINTF(("pci_xhci: invalid stream %u", streamid));
1981 ringaddr = devep->ep_ringaddr;
1982 ccs = devep->ep_ccs;
1984 DPRINTF(("doorbell, ccs %lx, trb ccs %x",
1985 ep_ctx->qwEpCtx2 & XHCI_TRB_3_CYCLE_BIT,
1986 trb->dwTrb3 & XHCI_TRB_3_CYCLE_BIT));
1989 if (XHCI_TRB_3_TYPE_GET(trb->dwTrb3) == 0) {
1990 DPRINTF(("pci_xhci: ring %lx trb[%lx] EP %u is RESERVED?",
1991 ep_ctx->qwEpCtx2, devep->ep_ringaddr, epid));
1995 pci_xhci_handle_transfer(sc, dev, devep, ep_ctx, trb, slot, epid,
1996 ringaddr, ccs, streamid);
2000 pci_xhci_dbregs_write(struct pci_xhci_softc *sc, uint64_t offset,
2004 offset = (offset - sc->dboff) / sizeof(uint32_t);
2006 DPRINTF(("pci_xhci: doorbell write offset 0x%lx: 0x%lx",
2009 if (XHCI_HALTED(sc)) {
2010 DPRINTF(("pci_xhci: controller halted"));
2015 pci_xhci_complete_commands(sc);
2016 else if (sc->portregs != NULL)
2017 pci_xhci_device_doorbell(sc, offset,
2018 XHCI_DB_TARGET_GET(value), XHCI_DB_SID_GET(value));
2022 pci_xhci_rtsregs_write(struct pci_xhci_softc *sc, uint64_t offset,
2025 struct pci_xhci_rtsregs *rts;
2027 offset -= sc->rtsoff;
2030 DPRINTF(("pci_xhci attempted write to MFINDEX"));
2034 DPRINTF(("pci_xhci: runtime regs write offset 0x%lx: 0x%lx",
2037 offset -= 0x20; /* start of intrreg */
2043 if (value & XHCI_IMAN_INTR_PEND)
2044 rts->intrreg.iman &= ~XHCI_IMAN_INTR_PEND;
2045 rts->intrreg.iman = (value & XHCI_IMAN_INTR_ENA) |
2046 (rts->intrreg.iman & XHCI_IMAN_INTR_PEND);
2048 if (!(value & XHCI_IMAN_INTR_ENA))
2049 pci_xhci_deassert_interrupt(sc);
2054 rts->intrreg.imod = value;
2058 rts->intrreg.erstsz = value & 0xFFFF;
2062 /* ERSTBA low bits */
2063 rts->intrreg.erstba = MASK_64_HI(sc->rtsregs.intrreg.erstba) |
2068 /* ERSTBA high bits */
2069 rts->intrreg.erstba = (value << 32) |
2070 MASK_64_LO(sc->rtsregs.intrreg.erstba);
2072 rts->erstba_p = XHCI_GADDR(sc,
2073 sc->rtsregs.intrreg.erstba & ~0x3FUL);
2075 rts->erst_p = XHCI_GADDR(sc,
2076 sc->rtsregs.erstba_p->qwEvrsTablePtr & ~0x3FUL);
2078 rts->er_enq_idx = 0;
2079 rts->er_events_cnt = 0;
2081 DPRINTF(("pci_xhci: wr erstba erst (%p) ptr 0x%lx, sz %u",
2083 rts->erstba_p->qwEvrsTablePtr,
2084 rts->erstba_p->dwEvrsTableSize));
2090 MASK_64_HI(sc->rtsregs.intrreg.erdp) |
2091 (rts->intrreg.erdp & XHCI_ERDP_LO_BUSY) |
2093 if (value & XHCI_ERDP_LO_BUSY) {
2094 rts->intrreg.erdp &= ~XHCI_ERDP_LO_BUSY;
2095 rts->intrreg.iman &= ~XHCI_IMAN_INTR_PEND;
2098 rts->er_deq_seg = XHCI_ERDP_LO_SINDEX(value);
2103 /* ERDP high bits */
2104 rts->intrreg.erdp = (value << 32) |
2105 MASK_64_LO(sc->rtsregs.intrreg.erdp);
2107 if (rts->er_events_cnt > 0) {
2111 erdp = rts->intrreg.erdp & ~0xF;
2112 erdp_i = (erdp - rts->erstba_p->qwEvrsTablePtr) /
2113 sizeof(struct xhci_trb);
2115 if (erdp_i <= rts->er_enq_idx)
2116 rts->er_events_cnt = rts->er_enq_idx - erdp_i;
2118 rts->er_events_cnt =
2119 rts->erstba_p->dwEvrsTableSize -
2120 (erdp_i - rts->er_enq_idx);
2122 DPRINTF(("pci_xhci: erdp 0x%lx, events cnt %u",
2123 erdp, rts->er_events_cnt));
2129 DPRINTF(("pci_xhci attempted write to RTS offset 0x%lx",
2136 pci_xhci_portregs_read(struct pci_xhci_softc *sc, uint64_t offset)
2138 struct pci_xhci_portregs *portregs;
2142 if (sc->portregs == NULL)
2145 port = (offset - XHCI_PORTREGS_PORT0) / XHCI_PORTREGS_SETSZ;
2146 offset = (offset - XHCI_PORTREGS_PORT0) % XHCI_PORTREGS_SETSZ;
2148 if (port > XHCI_MAX_DEVS) {
2149 DPRINTF(("pci_xhci: portregs_read port %d >= XHCI_MAX_DEVS",
2152 /* return default value for unused port */
2153 return (XHCI_PS_SPEED_SET(3));
2156 portregs = XHCI_PORTREG_PTR(sc, port);
2159 reg = portregs->portsc;
2162 reg = portregs->portpmsc;
2165 reg = portregs->portli;
2168 reg = portregs->porthlpmc;
2171 DPRINTF(("pci_xhci: unaligned portregs read offset %#lx",
2177 DPRINTF(("pci_xhci: portregs read offset 0x%lx port %u -> 0x%x",
2178 offset, port, reg));
2184 pci_xhci_hostop_write(struct pci_xhci_softc *sc, uint64_t offset,
2187 offset -= XHCI_CAPLEN;
2190 DPRINTF(("pci_xhci: hostop write offset 0x%lx: 0x%lx",
2195 sc->opregs.usbcmd = pci_xhci_usbcmd_write(sc, value & 0x3F0F);
2199 /* clear bits on write */
2200 sc->opregs.usbsts &= ~(value &
2201 (XHCI_STS_HSE|XHCI_STS_EINT|XHCI_STS_PCD|XHCI_STS_SSS|
2202 XHCI_STS_RSS|XHCI_STS_SRE|XHCI_STS_CNR));
2210 sc->opregs.dnctrl = value & 0xFFFF;
2214 if (sc->opregs.crcr & XHCI_CRCR_LO_CRR) {
2215 sc->opregs.crcr &= ~(XHCI_CRCR_LO_CS|XHCI_CRCR_LO_CA);
2216 sc->opregs.crcr |= value &
2217 (XHCI_CRCR_LO_CS|XHCI_CRCR_LO_CA);
2219 sc->opregs.crcr = MASK_64_HI(sc->opregs.crcr) |
2220 (value & (0xFFFFFFC0 | XHCI_CRCR_LO_RCS));
2225 if (!(sc->opregs.crcr & XHCI_CRCR_LO_CRR)) {
2226 sc->opregs.crcr = MASK_64_LO(sc->opregs.crcr) |
2229 sc->opregs.cr_p = XHCI_GADDR(sc,
2230 sc->opregs.crcr & ~0xF);
2233 if (sc->opregs.crcr & XHCI_CRCR_LO_CS) {
2234 /* Stop operation of Command Ring */
2237 if (sc->opregs.crcr & XHCI_CRCR_LO_CA) {
2243 case XHCI_DCBAAP_LO:
2244 sc->opregs.dcbaap = MASK_64_HI(sc->opregs.dcbaap) |
2245 (value & 0xFFFFFFC0);
2248 case XHCI_DCBAAP_HI:
2249 sc->opregs.dcbaap = MASK_64_LO(sc->opregs.dcbaap) |
2251 sc->opregs.dcbaa_p = XHCI_GADDR(sc, sc->opregs.dcbaap & ~0x3FUL);
2253 DPRINTF(("pci_xhci: opregs dcbaap = 0x%lx (vaddr 0x%lx)",
2254 sc->opregs.dcbaap, (uint64_t)sc->opregs.dcbaa_p));
2258 sc->opregs.config = value & 0x03FF;
2262 if (offset >= 0x400)
2263 pci_xhci_portregs_write(sc, offset, value);
2271 pci_xhci_write(struct pci_devinst *pi, int baridx, uint64_t offset,
2272 int size __unused, uint64_t value)
2274 struct pci_xhci_softc *sc;
2278 assert(baridx == 0);
2280 pthread_mutex_lock(&sc->mtx);
2281 if (offset < XHCI_CAPLEN) /* read only registers */
2282 WPRINTF(("pci_xhci: write RO-CAPs offset %ld", offset));
2283 else if (offset < sc->dboff)
2284 pci_xhci_hostop_write(sc, offset, value);
2285 else if (offset < sc->rtsoff)
2286 pci_xhci_dbregs_write(sc, offset, value);
2287 else if (offset < sc->regsend)
2288 pci_xhci_rtsregs_write(sc, offset, value);
2290 WPRINTF(("pci_xhci: write invalid offset %ld", offset));
2292 pthread_mutex_unlock(&sc->mtx);
2296 pci_xhci_hostcap_read(struct pci_xhci_softc *sc, uint64_t offset)
2301 case XHCI_CAPLENGTH: /* 0x00 */
2302 value = sc->caplength;
2305 case XHCI_HCSPARAMS1: /* 0x04 */
2306 value = sc->hcsparams1;
2309 case XHCI_HCSPARAMS2: /* 0x08 */
2310 value = sc->hcsparams2;
2313 case XHCI_HCSPARAMS3: /* 0x0C */
2314 value = sc->hcsparams3;
2317 case XHCI_HCSPARAMS0: /* 0x10 */
2318 value = sc->hccparams1;
2321 case XHCI_DBOFF: /* 0x14 */
2325 case XHCI_RTSOFF: /* 0x18 */
2329 case XHCI_HCCPRAMS2: /* 0x1C */
2330 value = sc->hccparams2;
2338 DPRINTF(("pci_xhci: hostcap read offset 0x%lx -> 0x%lx",
2345 pci_xhci_hostop_read(struct pci_xhci_softc *sc, uint64_t offset)
2349 offset = (offset - XHCI_CAPLEN);
2352 case XHCI_USBCMD: /* 0x00 */
2353 value = sc->opregs.usbcmd;
2356 case XHCI_USBSTS: /* 0x04 */
2357 value = sc->opregs.usbsts;
2360 case XHCI_PAGESIZE: /* 0x08 */
2361 value = sc->opregs.pgsz;
2364 case XHCI_DNCTRL: /* 0x14 */
2365 value = sc->opregs.dnctrl;
2368 case XHCI_CRCR_LO: /* 0x18 */
2369 value = sc->opregs.crcr & XHCI_CRCR_LO_CRR;
2372 case XHCI_CRCR_HI: /* 0x1C */
2376 case XHCI_DCBAAP_LO: /* 0x30 */
2377 value = sc->opregs.dcbaap & 0xFFFFFFFF;
2380 case XHCI_DCBAAP_HI: /* 0x34 */
2381 value = (sc->opregs.dcbaap >> 32) & 0xFFFFFFFF;
2384 case XHCI_CONFIG: /* 0x38 */
2385 value = sc->opregs.config;
2389 if (offset >= 0x400)
2390 value = pci_xhci_portregs_read(sc, offset);
2398 DPRINTF(("pci_xhci: hostop read offset 0x%lx -> 0x%lx",
2405 pci_xhci_dbregs_read(struct pci_xhci_softc *sc __unused,
2406 uint64_t offset __unused)
2408 /* read doorbell always returns 0 */
2413 pci_xhci_rtsregs_read(struct pci_xhci_softc *sc, uint64_t offset)
2417 offset -= sc->rtsoff;
2420 if (offset == XHCI_MFINDEX) {
2421 value = sc->rtsregs.mfindex;
2422 } else if (offset >= 0x20) {
2429 assert(offset < sizeof(sc->rtsregs.intrreg));
2431 p = &sc->rtsregs.intrreg.iman;
2432 p += item / sizeof(uint32_t);
2436 DPRINTF(("pci_xhci: rtsregs read offset 0x%lx -> 0x%x",
2443 pci_xhci_xecp_read(struct pci_xhci_softc *sc, uint64_t offset)
2447 offset -= sc->regsend;
2452 /* rev major | rev minor | next-cap | cap-id */
2453 value = (0x02 << 24) | (4 << 8) | XHCI_ID_PROTOCOLS;
2456 /* name string = "USB" */
2460 /* psic | proto-defined | compat # | compat offset */
2461 value = ((XHCI_MAX_DEVS/2) << 8) | sc->usb2_port_start;
2466 /* rev major | rev minor | next-cap | cap-id */
2467 value = (0x03 << 24) | XHCI_ID_PROTOCOLS;
2470 /* name string = "USB" */
2474 /* psic | proto-defined | compat # | compat offset */
2475 value = ((XHCI_MAX_DEVS/2) << 8) | sc->usb3_port_start;
2480 DPRINTF(("pci_xhci: xecp invalid offset 0x%lx", offset));
2484 DPRINTF(("pci_xhci: xecp read offset 0x%lx -> 0x%x",
2492 pci_xhci_read(struct pci_devinst *pi, int baridx, uint64_t offset, int size)
2494 struct pci_xhci_softc *sc;
2499 assert(baridx == 0);
2501 pthread_mutex_lock(&sc->mtx);
2502 if (offset < XHCI_CAPLEN)
2503 value = pci_xhci_hostcap_read(sc, offset);
2504 else if (offset < sc->dboff)
2505 value = pci_xhci_hostop_read(sc, offset);
2506 else if (offset < sc->rtsoff)
2507 value = pci_xhci_dbregs_read(sc, offset);
2508 else if (offset < sc->regsend)
2509 value = pci_xhci_rtsregs_read(sc, offset);
2510 else if (offset < (sc->regsend + 4*32))
2511 value = pci_xhci_xecp_read(sc, offset);
2514 WPRINTF(("pci_xhci: read invalid offset %ld", offset));
2517 pthread_mutex_unlock(&sc->mtx);
2527 value &= 0xFFFFFFFF;
2535 pci_xhci_reset_port(struct pci_xhci_softc *sc, int portn, int warm)
2537 struct pci_xhci_portregs *port;
2538 struct pci_xhci_dev_emu *dev;
2539 struct xhci_trb evtrb;
2542 assert(portn <= XHCI_MAX_DEVS);
2544 DPRINTF(("xhci reset port %d", portn));
2546 port = XHCI_PORTREG_PTR(sc, portn);
2547 dev = XHCI_DEVINST_PTR(sc, portn);
2549 port->portsc &= ~(XHCI_PS_PLS_MASK | XHCI_PS_PR | XHCI_PS_PRC);
2550 port->portsc |= XHCI_PS_PED |
2551 XHCI_PS_SPEED_SET(dev->dev_ue->ue_usbspeed);
2553 if (warm && dev->dev_ue->ue_usbver == 3) {
2554 port->portsc |= XHCI_PS_WRC;
2557 if ((port->portsc & XHCI_PS_PRC) == 0) {
2558 port->portsc |= XHCI_PS_PRC;
2560 pci_xhci_set_evtrb(&evtrb, portn,
2561 XHCI_TRB_ERROR_SUCCESS,
2562 XHCI_TRB_EVENT_PORT_STS_CHANGE);
2563 error = pci_xhci_insert_event(sc, &evtrb, 1);
2564 if (error != XHCI_TRB_ERROR_SUCCESS)
2565 DPRINTF(("xhci reset port insert event "
2572 pci_xhci_init_port(struct pci_xhci_softc *sc, int portn)
2574 struct pci_xhci_portregs *port;
2575 struct pci_xhci_dev_emu *dev;
2577 port = XHCI_PORTREG_PTR(sc, portn);
2578 dev = XHCI_DEVINST_PTR(sc, portn);
2580 port->portsc = XHCI_PS_CCS | /* connected */
2581 XHCI_PS_PP; /* port power */
2583 if (dev->dev_ue->ue_usbver == 2) {
2584 port->portsc |= XHCI_PS_PLS_SET(UPS_PORT_LS_POLL) |
2585 XHCI_PS_SPEED_SET(dev->dev_ue->ue_usbspeed);
2587 port->portsc |= XHCI_PS_PLS_SET(UPS_PORT_LS_U0) |
2588 XHCI_PS_PED | /* enabled */
2589 XHCI_PS_SPEED_SET(dev->dev_ue->ue_usbspeed);
2592 DPRINTF(("Init port %d 0x%x", portn, port->portsc));
2594 port->portsc = XHCI_PS_PLS_SET(UPS_PORT_LS_RX_DET) | XHCI_PS_PP;
2595 DPRINTF(("Init empty port %d 0x%x", portn, port->portsc));
2600 pci_xhci_dev_intr(struct usb_hci *hci, int epctx)
2602 struct pci_xhci_dev_emu *dev;
2603 struct xhci_dev_ctx *dev_ctx;
2604 struct xhci_trb evtrb;
2605 struct pci_xhci_softc *sc;
2606 struct pci_xhci_portregs *p;
2607 struct xhci_endp_ctx *ep_ctx;
2612 dir_in = epctx & 0x80;
2613 epid = epctx & ~0x80;
2615 /* HW endpoint contexts are 0-15; convert to epid based on dir */
2616 epid = (epid * 2) + (dir_in ? 1 : 0);
2618 assert(epid >= 1 && epid <= 31);
2623 /* check if device is ready; OS has to initialise it */
2624 if (sc->rtsregs.erstba_p == NULL ||
2625 (sc->opregs.usbcmd & XHCI_CMD_RS) == 0 ||
2626 dev->dev_ctx == NULL)
2629 p = XHCI_PORTREG_PTR(sc, hci->hci_port);
2631 /* raise event if link U3 (suspended) state */
2632 if (XHCI_PS_PLS_GET(p->portsc) == 3) {
2633 p->portsc &= ~XHCI_PS_PLS_MASK;
2634 p->portsc |= XHCI_PS_PLS_SET(UPS_PORT_LS_RESUME);
2635 if ((p->portsc & XHCI_PS_PLC) != 0)
2638 p->portsc |= XHCI_PS_PLC;
2640 pci_xhci_set_evtrb(&evtrb, hci->hci_port,
2641 XHCI_TRB_ERROR_SUCCESS, XHCI_TRB_EVENT_PORT_STS_CHANGE);
2642 error = pci_xhci_insert_event(sc, &evtrb, 0);
2643 if (error != XHCI_TRB_ERROR_SUCCESS)
2647 dev_ctx = dev->dev_ctx;
2648 ep_ctx = &dev_ctx->ctx_ep[epid];
2649 if ((ep_ctx->dwEpCtx0 & 0x7) == XHCI_ST_EPCTX_DISABLED) {
2650 DPRINTF(("xhci device interrupt on disabled endpoint %d",
2655 DPRINTF(("xhci device interrupt on endpoint %d", epid));
2657 pci_xhci_device_doorbell(sc, hci->hci_port, epid, 0);
2664 pci_xhci_dev_event(struct usb_hci *hci, enum hci_usbev evid __unused,
2665 void *param __unused)
2667 DPRINTF(("xhci device event port %d", hci->hci_port));
2672 * Each controller contains a "slot" node which contains a list of
2673 * child nodes each of which is a device. Each slot node's name
2674 * corresponds to a specific controller slot. These nodes
2675 * contain a "device" variable identifying the device model of the
2676 * USB device. For example:
2685 pci_xhci_legacy_config(nvlist_t *nvl, const char *opts)
2688 nvlist_t *slots_nvl, *slot_nvl;
2689 char *cp, *opt, *str, *tofree;
2695 slots_nvl = create_relative_config_node(nvl, "slot");
2697 tofree = str = strdup(opts);
2698 while ((opt = strsep(&str, ",")) != NULL) {
2699 /* device[=<config>] */
2700 cp = strchr(opt, '=');
2706 snprintf(node_name, sizeof(node_name), "%d", slot);
2708 slot_nvl = create_relative_config_node(slots_nvl, node_name);
2709 set_config_value_node(slot_nvl, "device", opt);
2712 * NB: Given that we split on commas above, the legacy
2713 * format only supports a single option.
2715 if (cp != NULL && *cp != '\0')
2716 pci_parse_legacy_config(slot_nvl, cp);
2723 pci_xhci_parse_devices(struct pci_xhci_softc *sc, nvlist_t *nvl)
2725 struct pci_xhci_dev_emu *dev;
2726 struct usb_devemu *ue;
2727 const nvlist_t *slots_nvl, *slot_nvl;
2728 const char *name, *device;
2730 void *devsc, *cookie;
2732 int type, usb3_port, usb2_port, i, ndevices;
2734 usb3_port = sc->usb3_port_start;
2735 usb2_port = sc->usb2_port_start;
2737 sc->devices = calloc(XHCI_MAX_DEVS, sizeof(struct pci_xhci_dev_emu *));
2738 sc->slots = calloc(XHCI_MAX_SLOTS, sizeof(struct pci_xhci_dev_emu *));
2742 slots_nvl = find_relative_config_node(nvl, "slot");
2743 if (slots_nvl == NULL)
2747 while ((name = nvlist_next(slots_nvl, &type, &cookie)) != NULL) {
2748 if (usb2_port == ((sc->usb2_port_start) + XHCI_MAX_DEVS/2) ||
2749 usb3_port == ((sc->usb3_port_start) + XHCI_MAX_DEVS/2)) {
2750 WPRINTF(("pci_xhci max number of USB 2 or 3 "
2751 "devices reached, max %d", XHCI_MAX_DEVS/2));
2755 if (type != NV_TYPE_NVLIST) {
2757 "pci_xhci: config variable '%s' under slot node",
2762 slot = strtol(name, &cp, 0);
2763 if (*cp != '\0' || slot <= 0 || slot > XHCI_MAX_SLOTS) {
2764 EPRINTLN("pci_xhci: invalid slot '%s'", name);
2768 if (XHCI_SLOTDEV_PTR(sc, slot) != NULL) {
2769 EPRINTLN("pci_xhci: duplicate slot '%s'", name);
2773 slot_nvl = nvlist_get_nvlist(slots_nvl, name);
2774 device = get_config_value_node(slot_nvl, "device");
2775 if (device == NULL) {
2777 "pci_xhci: missing \"device\" value for slot '%s'",
2782 ue = usb_emu_finddev(device);
2784 EPRINTLN("pci_xhci: unknown device model \"%s\"",
2789 DPRINTF(("pci_xhci adding device %s", device));
2791 dev = calloc(1, sizeof(struct pci_xhci_dev_emu));
2793 dev->hci.hci_sc = dev;
2794 dev->hci.hci_intr = pci_xhci_dev_intr;
2795 dev->hci.hci_event = pci_xhci_dev_event;
2797 if (ue->ue_usbver == 2) {
2798 if (usb2_port == sc->usb2_port_start +
2799 XHCI_MAX_DEVS / 2) {
2800 WPRINTF(("pci_xhci max number of USB 2 devices "
2801 "reached, max %d", XHCI_MAX_DEVS / 2));
2804 dev->hci.hci_port = usb2_port;
2807 if (usb3_port == sc->usb3_port_start +
2808 XHCI_MAX_DEVS / 2) {
2809 WPRINTF(("pci_xhci max number of USB 3 devices "
2810 "reached, max %d", XHCI_MAX_DEVS / 2));
2813 dev->hci.hci_port = usb3_port;
2816 XHCI_DEVINST_PTR(sc, dev->hci.hci_port) = dev;
2818 dev->hci.hci_address = 0;
2819 devsc = ue->ue_init(&dev->hci, nvl);
2820 if (devsc == NULL) {
2825 dev->dev_sc = devsc;
2827 XHCI_SLOTDEV_PTR(sc, slot) = dev;
2832 sc->portregs = calloc(XHCI_MAX_DEVS, sizeof(struct pci_xhci_portregs));
2835 for (i = 1; i <= XHCI_MAX_DEVS; i++) {
2836 pci_xhci_init_port(sc, i);
2839 WPRINTF(("pci_xhci no USB devices configured"));
2844 for (i = 1; i <= XHCI_MAX_DEVS; i++) {
2845 free(XHCI_DEVINST_PTR(sc, i));
2855 pci_xhci_init(struct pci_devinst *pi, nvlist_t *nvl)
2857 struct pci_xhci_softc *sc;
2861 WPRINTF(("pci_xhci controller already defined"));
2866 sc = calloc(1, sizeof(struct pci_xhci_softc));
2870 sc->usb2_port_start = (XHCI_MAX_DEVS/2) + 1;
2871 sc->usb3_port_start = 1;
2873 /* discover devices */
2874 error = pci_xhci_parse_devices(sc, nvl);
2880 sc->caplength = XHCI_SET_CAPLEN(XHCI_CAPLEN) |
2881 XHCI_SET_HCIVERSION(0x0100);
2882 sc->hcsparams1 = XHCI_SET_HCSP1_MAXPORTS(XHCI_MAX_DEVS) |
2883 XHCI_SET_HCSP1_MAXINTR(1) | /* interrupters */
2884 XHCI_SET_HCSP1_MAXSLOTS(XHCI_MAX_SLOTS);
2885 sc->hcsparams2 = XHCI_SET_HCSP2_ERSTMAX(XHCI_ERST_MAX) |
2886 XHCI_SET_HCSP2_IST(0x04);
2887 sc->hcsparams3 = 0; /* no latency */
2888 sc->hccparams1 = XHCI_SET_HCCP1_AC64(1) | /* 64-bit addrs */
2889 XHCI_SET_HCCP1_NSS(1) | /* no 2nd-streams */
2890 XHCI_SET_HCCP1_SPC(1) | /* short packet */
2891 XHCI_SET_HCCP1_MAXPSA(XHCI_STREAMS_MAX);
2892 sc->hccparams2 = XHCI_SET_HCCP2_LEC(1) |
2893 XHCI_SET_HCCP2_U3C(1);
2894 sc->dboff = XHCI_SET_DOORBELL(XHCI_CAPLEN + XHCI_PORTREGS_START +
2895 XHCI_MAX_DEVS * sizeof(struct pci_xhci_portregs));
2897 /* dboff must be 32-bit aligned */
2898 if (sc->dboff & 0x3)
2899 sc->dboff = (sc->dboff + 0x3) & ~0x3;
2901 /* rtsoff must be 32-bytes aligned */
2902 sc->rtsoff = XHCI_SET_RTSOFFSET(sc->dboff + (XHCI_MAX_SLOTS+1) * 32);
2903 if (sc->rtsoff & 0x1F)
2904 sc->rtsoff = (sc->rtsoff + 0x1F) & ~0x1F;
2906 DPRINTF(("pci_xhci dboff: 0x%x, rtsoff: 0x%x", sc->dboff,
2909 sc->opregs.usbsts = XHCI_STS_HCH;
2910 sc->opregs.pgsz = XHCI_PAGESIZE_4K;
2914 sc->regsend = sc->rtsoff + 0x20 + 32; /* only 1 intrpter */
2917 * Set extended capabilities pointer to be after regsend;
2918 * value of xecp field is 32-bit offset.
2920 sc->hccparams1 |= XHCI_SET_HCCP1_XECP(sc->regsend/4);
2922 pci_set_cfgdata16(pi, PCIR_DEVICE, 0x1E31);
2923 pci_set_cfgdata16(pi, PCIR_VENDOR, 0x8086);
2924 pci_set_cfgdata8(pi, PCIR_CLASS, PCIC_SERIALBUS);
2925 pci_set_cfgdata8(pi, PCIR_SUBCLASS, PCIS_SERIALBUS_USB);
2926 pci_set_cfgdata8(pi, PCIR_PROGIF,PCIP_SERIALBUS_USB_XHCI);
2927 pci_set_cfgdata8(pi, PCI_USBREV, PCI_USB_REV_3_0);
2929 pci_emul_add_msicap(pi, 1);
2931 /* regsend + xecp registers */
2932 pci_emul_alloc_bar(pi, 0, PCIBAR_MEM32, sc->regsend + 4*32);
2933 DPRINTF(("pci_xhci pci_emu_alloc: %d", sc->regsend + 4*32));
2936 pci_lintr_request(pi);
2938 pthread_mutex_init(&sc->mtx, NULL);
2948 #ifdef BHYVE_SNAPSHOT
2950 pci_xhci_map_devs_slots(struct pci_xhci_softc *sc, int maps[])
2953 struct pci_xhci_dev_emu *dev, *slot;
2955 memset(maps, 0, sizeof(maps[0]) * XHCI_MAX_SLOTS);
2957 for (i = 1; i <= XHCI_MAX_SLOTS; i++) {
2958 for (j = 1; j <= XHCI_MAX_DEVS; j++) {
2959 slot = XHCI_SLOTDEV_PTR(sc, i);
2960 dev = XHCI_DEVINST_PTR(sc, j);
2969 pci_xhci_snapshot_ep(struct pci_xhci_softc *sc, struct pci_xhci_dev_emu *dev,
2970 int idx, struct vm_snapshot_meta *meta)
2974 struct usb_data_xfer *xfer;
2975 struct usb_data_xfer_block *xfer_block;
2977 /* some sanity checks */
2978 if (meta->op == VM_SNAPSHOT_SAVE)
2979 xfer = dev->eps[idx].ep_xfer;
2981 SNAPSHOT_VAR_OR_LEAVE(xfer, meta, ret, done);
2987 if (meta->op == VM_SNAPSHOT_RESTORE) {
2988 pci_xhci_init_ep(dev, idx);
2989 xfer = dev->eps[idx].ep_xfer;
2992 /* save / restore proper */
2993 for (k = 0; k < USB_MAX_XFER_BLOCKS; k++) {
2994 xfer_block = &xfer->data[k];
2996 SNAPSHOT_GUEST2HOST_ADDR_OR_LEAVE(sc->xsc_pi->pi_vmctx,
2997 xfer_block->buf, XHCI_GADDR_SIZE(xfer_block->buf), true,
2999 SNAPSHOT_VAR_OR_LEAVE(xfer_block->blen, meta, ret, done);
3000 SNAPSHOT_VAR_OR_LEAVE(xfer_block->bdone, meta, ret, done);
3001 SNAPSHOT_VAR_OR_LEAVE(xfer_block->processed, meta, ret, done);
3002 SNAPSHOT_VAR_OR_LEAVE(xfer_block->hci_data, meta, ret, done);
3003 SNAPSHOT_VAR_OR_LEAVE(xfer_block->ccs, meta, ret, done);
3004 SNAPSHOT_VAR_OR_LEAVE(xfer_block->streamid, meta, ret, done);
3005 SNAPSHOT_VAR_OR_LEAVE(xfer_block->trbnext, meta, ret, done);
3008 SNAPSHOT_VAR_OR_LEAVE(xfer->ureq, meta, ret, done);
3010 /* xfer->ureq is not allocated at restore time */
3011 if (meta->op == VM_SNAPSHOT_RESTORE)
3012 xfer->ureq = malloc(sizeof(struct usb_device_request));
3014 SNAPSHOT_BUF_OR_LEAVE(xfer->ureq,
3015 sizeof(struct usb_device_request),
3019 SNAPSHOT_VAR_OR_LEAVE(xfer->ndata, meta, ret, done);
3020 SNAPSHOT_VAR_OR_LEAVE(xfer->head, meta, ret, done);
3021 SNAPSHOT_VAR_OR_LEAVE(xfer->tail, meta, ret, done);
3028 pci_xhci_snapshot(struct vm_snapshot_meta *meta)
3033 struct pci_devinst *pi;
3034 struct pci_xhci_softc *sc;
3035 struct pci_xhci_portregs *port;
3036 struct pci_xhci_dev_emu *dev;
3037 char dname[SNAP_DEV_NAME_LEN];
3038 int maps[XHCI_MAX_SLOTS + 1];
3040 pi = meta->dev_data;
3043 SNAPSHOT_VAR_OR_LEAVE(sc->caplength, meta, ret, done);
3044 SNAPSHOT_VAR_OR_LEAVE(sc->hcsparams1, meta, ret, done);
3045 SNAPSHOT_VAR_OR_LEAVE(sc->hcsparams2, meta, ret, done);
3046 SNAPSHOT_VAR_OR_LEAVE(sc->hcsparams3, meta, ret, done);
3047 SNAPSHOT_VAR_OR_LEAVE(sc->hccparams1, meta, ret, done);
3048 SNAPSHOT_VAR_OR_LEAVE(sc->dboff, meta, ret, done);
3049 SNAPSHOT_VAR_OR_LEAVE(sc->rtsoff, meta, ret, done);
3050 SNAPSHOT_VAR_OR_LEAVE(sc->hccparams2, meta, ret, done);
3051 SNAPSHOT_VAR_OR_LEAVE(sc->regsend, meta, ret, done);
3054 SNAPSHOT_VAR_OR_LEAVE(sc->opregs.usbcmd, meta, ret, done);
3055 SNAPSHOT_VAR_OR_LEAVE(sc->opregs.usbsts, meta, ret, done);
3056 SNAPSHOT_VAR_OR_LEAVE(sc->opregs.pgsz, meta, ret, done);
3057 SNAPSHOT_VAR_OR_LEAVE(sc->opregs.dnctrl, meta, ret, done);
3058 SNAPSHOT_VAR_OR_LEAVE(sc->opregs.crcr, meta, ret, done);
3059 SNAPSHOT_VAR_OR_LEAVE(sc->opregs.dcbaap, meta, ret, done);
3060 SNAPSHOT_VAR_OR_LEAVE(sc->opregs.config, meta, ret, done);
3063 SNAPSHOT_GUEST2HOST_ADDR_OR_LEAVE(pi->pi_vmctx, sc->opregs.cr_p,
3064 XHCI_GADDR_SIZE(sc->opregs.cr_p), true, meta, ret, done);
3066 /* opregs.dcbaa_p */
3067 SNAPSHOT_GUEST2HOST_ADDR_OR_LEAVE(pi->pi_vmctx, sc->opregs.dcbaa_p,
3068 XHCI_GADDR_SIZE(sc->opregs.dcbaa_p), true, meta, ret, done);
3071 SNAPSHOT_VAR_OR_LEAVE(sc->rtsregs.mfindex, meta, ret, done);
3073 /* rtsregs.intrreg */
3074 SNAPSHOT_VAR_OR_LEAVE(sc->rtsregs.intrreg.iman, meta, ret, done);
3075 SNAPSHOT_VAR_OR_LEAVE(sc->rtsregs.intrreg.imod, meta, ret, done);
3076 SNAPSHOT_VAR_OR_LEAVE(sc->rtsregs.intrreg.erstsz, meta, ret, done);
3077 SNAPSHOT_VAR_OR_LEAVE(sc->rtsregs.intrreg.rsvd, meta, ret, done);
3078 SNAPSHOT_VAR_OR_LEAVE(sc->rtsregs.intrreg.erstba, meta, ret, done);
3079 SNAPSHOT_VAR_OR_LEAVE(sc->rtsregs.intrreg.erdp, meta, ret, done);
3081 /* rtsregs.erstba_p */
3082 SNAPSHOT_GUEST2HOST_ADDR_OR_LEAVE(pi->pi_vmctx, sc->rtsregs.erstba_p,
3083 XHCI_GADDR_SIZE(sc->rtsregs.erstba_p), true, meta, ret, done);
3085 /* rtsregs.erst_p */
3086 SNAPSHOT_GUEST2HOST_ADDR_OR_LEAVE(pi->pi_vmctx, sc->rtsregs.erst_p,
3087 XHCI_GADDR_SIZE(sc->rtsregs.erst_p), true, meta, ret, done);
3089 SNAPSHOT_VAR_OR_LEAVE(sc->rtsregs.er_deq_seg, meta, ret, done);
3090 SNAPSHOT_VAR_OR_LEAVE(sc->rtsregs.er_enq_idx, meta, ret, done);
3091 SNAPSHOT_VAR_OR_LEAVE(sc->rtsregs.er_enq_seg, meta, ret, done);
3092 SNAPSHOT_VAR_OR_LEAVE(sc->rtsregs.er_events_cnt, meta, ret, done);
3093 SNAPSHOT_VAR_OR_LEAVE(sc->rtsregs.event_pcs, meta, ret, done);
3095 /* sanity checking */
3096 for (i = 1; i <= XHCI_MAX_DEVS; i++) {
3097 dev = XHCI_DEVINST_PTR(sc, i);
3101 if (meta->op == VM_SNAPSHOT_SAVE)
3103 SNAPSHOT_VAR_OR_LEAVE(restore_idx, meta, ret, done);
3105 /* check if the restored device (when restoring) is sane */
3106 if (restore_idx != i) {
3107 fprintf(stderr, "%s: idx not matching: actual: %d, "
3108 "expected: %d\r\n", __func__, restore_idx, i);
3113 if (meta->op == VM_SNAPSHOT_SAVE) {
3114 memset(dname, 0, sizeof(dname));
3115 strncpy(dname, dev->dev_ue->ue_emu, sizeof(dname) - 1);
3118 SNAPSHOT_BUF_OR_LEAVE(dname, sizeof(dname), meta, ret, done);
3120 if (meta->op == VM_SNAPSHOT_RESTORE) {
3121 dname[sizeof(dname) - 1] = '\0';
3122 if (strcmp(dev->dev_ue->ue_emu, dname)) {
3123 fprintf(stderr, "%s: device names mismatch: "
3124 "actual: %s, expected: %s\r\n",
3125 __func__, dname, dev->dev_ue->ue_emu);
3134 for (i = 1; i <= XHCI_MAX_DEVS; i++) {
3135 port = XHCI_PORTREG_PTR(sc, i);
3136 dev = XHCI_DEVINST_PTR(sc, i);
3141 SNAPSHOT_VAR_OR_LEAVE(port->portsc, meta, ret, done);
3142 SNAPSHOT_VAR_OR_LEAVE(port->portpmsc, meta, ret, done);
3143 SNAPSHOT_VAR_OR_LEAVE(port->portli, meta, ret, done);
3144 SNAPSHOT_VAR_OR_LEAVE(port->porthlpmc, meta, ret, done);
3148 if (meta->op == VM_SNAPSHOT_SAVE)
3149 pci_xhci_map_devs_slots(sc, maps);
3151 for (i = 1; i <= XHCI_MAX_SLOTS; i++) {
3152 SNAPSHOT_VAR_OR_LEAVE(maps[i], meta, ret, done);
3154 if (meta->op == VM_SNAPSHOT_SAVE) {
3155 dev = XHCI_SLOTDEV_PTR(sc, i);
3156 } else if (meta->op == VM_SNAPSHOT_RESTORE) {
3158 dev = XHCI_DEVINST_PTR(sc, maps[i]);
3162 XHCI_SLOTDEV_PTR(sc, i) = dev;
3172 SNAPSHOT_GUEST2HOST_ADDR_OR_LEAVE(pi->pi_vmctx, dev->dev_ctx,
3173 XHCI_GADDR_SIZE(dev->dev_ctx), true, meta, ret, done);
3175 if (dev->dev_ctx != NULL) {
3176 for (j = 1; j < XHCI_MAX_ENDPOINTS; j++) {
3177 ret = pci_xhci_snapshot_ep(sc, dev, j, meta);
3183 SNAPSHOT_VAR_OR_LEAVE(dev->dev_slotstate, meta, ret, done);
3185 /* devices[i]->dev_sc */
3186 dev->dev_ue->ue_snapshot(dev->dev_sc, meta);
3188 /* devices[i]->hci */
3189 SNAPSHOT_VAR_OR_LEAVE(dev->hci.hci_address, meta, ret, done);
3190 SNAPSHOT_VAR_OR_LEAVE(dev->hci.hci_port, meta, ret, done);
3193 SNAPSHOT_VAR_OR_LEAVE(sc->usb2_port_start, meta, ret, done);
3194 SNAPSHOT_VAR_OR_LEAVE(sc->usb3_port_start, meta, ret, done);
3201 static const struct pci_devemu pci_de_xhci = {
3203 .pe_init = pci_xhci_init,
3204 .pe_legacy_config = pci_xhci_legacy_config,
3205 .pe_barwrite = pci_xhci_write,
3206 .pe_barread = pci_xhci_read,
3207 #ifdef BHYVE_SNAPSHOT
3208 .pe_snapshot = pci_xhci_snapshot,
3211 PCI_EMUL_SET(pci_de_xhci);