fwdev.c revision 298955
1139749Simp/*- 2113584Ssimokawa * Copyright (c) 2003 Hidetoshi Shimokawa 3106813Ssimokawa * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa 4106813Ssimokawa * All rights reserved. 5106813Ssimokawa * 6106813Ssimokawa * Redistribution and use in source and binary forms, with or without 7106813Ssimokawa * modification, are permitted provided that the following conditions 8106813Ssimokawa * are met: 9106813Ssimokawa * 1. Redistributions of source code must retain the above copyright 10106813Ssimokawa * notice, this list of conditions and the following disclaimer. 11106813Ssimokawa * 2. Redistributions in binary form must reproduce the above copyright 12106813Ssimokawa * notice, this list of conditions and the following disclaimer in the 13106813Ssimokawa * documentation and/or other materials provided with the distribution. 14106813Ssimokawa * 3. All advertising materials mentioning features or use of this software 15106813Ssimokawa * must display the acknowledgement as bellow: 16106813Ssimokawa * 17106813Ssimokawa * This product includes software developed by K. Kobayashi and H. Shimokawa 18106813Ssimokawa * 19106813Ssimokawa * 4. The name of the author may not be used to endorse or promote products 20106813Ssimokawa * derived from this software without specific prior written permission. 21106813Ssimokawa * 22106813Ssimokawa * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23106813Ssimokawa * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 24106813Ssimokawa * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 25106813Ssimokawa * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 26106813Ssimokawa * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 27106813Ssimokawa * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 28106813Ssimokawa * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29106813Ssimokawa * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 30106813Ssimokawa * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 31106813Ssimokawa * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32106813Ssimokawa * POSSIBILITY OF SUCH DAMAGE. 33272214Skan * 34106813Ssimokawa * $FreeBSD: head/sys/dev/firewire/fwdev.c 298955 2016-05-03 03:41:25Z pfg $ 35106813Ssimokawa * 36106813Ssimokawa */ 37106813Ssimokawa 38106813Ssimokawa#include <sys/param.h> 39106813Ssimokawa#include <sys/systm.h> 40106813Ssimokawa#include <sys/types.h> 41106813Ssimokawa#include <sys/mbuf.h> 42120660Ssimokawa#include <sys/bio.h> 43106813Ssimokawa 44106813Ssimokawa#include <sys/kernel.h> 45106813Ssimokawa#include <sys/malloc.h> 46106813Ssimokawa#include <sys/conf.h> 47106813Ssimokawa#include <sys/poll.h> 48106813Ssimokawa 49106813Ssimokawa#include <sys/bus.h> 50118455Ssimokawa#include <sys/ctype.h> 51113584Ssimokawa#include <machine/bus.h> 52106813Ssimokawa 53106813Ssimokawa#include <sys/ioccom.h> 54106813Ssimokawa 55106813Ssimokawa#include <dev/firewire/firewire.h> 56106813Ssimokawa#include <dev/firewire/firewirereg.h> 57113584Ssimokawa#include <dev/firewire/fwdma.h> 58106813Ssimokawa#include <dev/firewire/fwmem.h> 59109282Ssimokawa#include <dev/firewire/iec68113.h> 60106813Ssimokawa 61106813Ssimokawa#define FWNODE_INVAL 0xffff 62106813Ssimokawa 63106813Ssimokawastatic d_open_t fw_open; 64106813Ssimokawastatic d_close_t fw_close; 65106813Ssimokawastatic d_ioctl_t fw_ioctl; 66106813Ssimokawastatic d_poll_t fw_poll; 67106813Ssimokawastatic d_read_t fw_read; /* for Isochronous packet */ 68106813Ssimokawastatic d_write_t fw_write; 69106813Ssimokawastatic d_mmap_t fw_mmap; 70120660Ssimokawastatic d_strategy_t fw_strategy; 71106813Ssimokawa 72126080Sphkstruct cdevsw firewire_cdevsw = { 73126080Sphk .d_version = D_VERSION, 74111815Sphk .d_open = fw_open, 75111815Sphk .d_close = fw_close, 76111815Sphk .d_read = fw_read, 77111815Sphk .d_write = fw_write, 78111815Sphk .d_ioctl = fw_ioctl, 79111815Sphk .d_poll = fw_poll, 80111815Sphk .d_mmap = fw_mmap, 81120660Ssimokawa .d_strategy = fw_strategy, 82111815Sphk .d_name = "fw", 83106813Ssimokawa}; 84106813Ssimokawa 85118293Ssimokawastruct fw_drv1 { 86169130Ssimokawa struct firewire_comm *fc; 87118293Ssimokawa struct fw_xferq *ir; 88118293Ssimokawa struct fw_xferq *it; 89118293Ssimokawa struct fw_isobufreq bufreq; 90169130Ssimokawa STAILQ_HEAD(, fw_bind) binds; 91169130Ssimokawa STAILQ_HEAD(, fw_xfer) rq; 92118293Ssimokawa}; 93118293Ssimokawa 94106813Ssimokawastatic int 95118293Ssimokawafwdev_allocbuf(struct firewire_comm *fc, struct fw_xferq *q, 96118293Ssimokawa struct fw_bufspec *b) 97118293Ssimokawa{ 98118293Ssimokawa int i; 99118293Ssimokawa 100118293Ssimokawa if (q->flag & (FWXFERQ_RUNNING | FWXFERQ_EXTBUF)) 101272214Skan return (EBUSY); 102118293Ssimokawa 103272214Skan q->bulkxfer = malloc(sizeof(struct fw_bulkxfer) * b->nchunk, 104272214Skan M_FW, M_WAITOK); 105118293Ssimokawa if (q->bulkxfer == NULL) 106272214Skan return (ENOMEM); 107118293Ssimokawa 108129585Sdfr b->psize = roundup2(b->psize, sizeof(uint32_t)); 109129585Sdfr q->buf = fwdma_malloc_multiseg(fc, sizeof(uint32_t), 110272214Skan b->psize, b->nchunk * b->npacket, BUS_DMA_WAITOK); 111118293Ssimokawa 112118293Ssimokawa if (q->buf == NULL) { 113118293Ssimokawa free(q->bulkxfer, M_FW); 114118293Ssimokawa q->bulkxfer = NULL; 115272214Skan return (ENOMEM); 116118293Ssimokawa } 117118293Ssimokawa q->bnchunk = b->nchunk; 118118293Ssimokawa q->bnpacket = b->npacket; 119118293Ssimokawa q->psize = (b->psize + 3) & ~3; 120118293Ssimokawa q->queued = 0; 121118293Ssimokawa 122118293Ssimokawa STAILQ_INIT(&q->stvalid); 123118293Ssimokawa STAILQ_INIT(&q->stfree); 124118293Ssimokawa STAILQ_INIT(&q->stdma); 125118293Ssimokawa q->stproc = NULL; 126118293Ssimokawa 127272214Skan for (i = 0; i < q->bnchunk; i++) { 128118293Ssimokawa q->bulkxfer[i].poffset = i * q->bnpacket; 129118293Ssimokawa q->bulkxfer[i].mbuf = NULL; 130118293Ssimokawa STAILQ_INSERT_TAIL(&q->stfree, &q->bulkxfer[i], link); 131118293Ssimokawa } 132118293Ssimokawa 133118293Ssimokawa q->flag &= ~FWXFERQ_MODEMASK; 134118293Ssimokawa q->flag |= FWXFERQ_STREAM; 135118293Ssimokawa q->flag |= FWXFERQ_EXTBUF; 136118293Ssimokawa 137118293Ssimokawa return (0); 138118293Ssimokawa} 139118293Ssimokawa 140118293Ssimokawastatic int 141118293Ssimokawafwdev_freebuf(struct fw_xferq *q) 142118293Ssimokawa{ 143118293Ssimokawa if (q->flag & FWXFERQ_EXTBUF) { 144118293Ssimokawa if (q->buf != NULL) 145118293Ssimokawa fwdma_free_multiseg(q->buf); 146118293Ssimokawa q->buf = NULL; 147118293Ssimokawa free(q->bulkxfer, M_FW); 148118293Ssimokawa q->bulkxfer = NULL; 149118293Ssimokawa q->flag &= ~FWXFERQ_EXTBUF; 150118293Ssimokawa q->psize = 0; 151118293Ssimokawa q->maxq = FWMAXQUEUE; 152118293Ssimokawa } 153118293Ssimokawa return (0); 154118293Ssimokawa} 155118293Ssimokawa 156118293Ssimokawa 157118293Ssimokawastatic int 158272214Skanfw_open(struct cdev *dev, int flags, int fmt, fw_proc *td) 159106813Ssimokawa{ 160106813Ssimokawa int err = 0; 161169130Ssimokawa int unit = DEV2UNIT(dev); 162169130Ssimokawa struct fw_drv1 *d; 163169130Ssimokawa struct firewire_softc *sc; 164106813Ssimokawa 165122227Ssimokawa if (DEV_FWMEM(dev)) 166122227Ssimokawa return fwmem_open(dev, flags, fmt, td); 167122227Ssimokawa 168170374Ssimokawa sc = devclass_get_softc(firewire_devclass, unit); 169170374Ssimokawa if (sc == NULL) 170170374Ssimokawa return (ENXIO); 171170374Ssimokawa 172170374Ssimokawa FW_GLOCK(sc->fc); 173170374Ssimokawa if (dev->si_drv1 != NULL) { 174170374Ssimokawa FW_GUNLOCK(sc->fc); 175118293Ssimokawa return (EBUSY); 176170374Ssimokawa } 177170374Ssimokawa /* set dummy value for allocation */ 178170374Ssimokawa dev->si_drv1 = (void *)-1; 179170374Ssimokawa FW_GUNLOCK(sc->fc); 180118293Ssimokawa 181170374Ssimokawa dev->si_drv1 = malloc(sizeof(struct fw_drv1), M_FW, M_WAITOK | M_ZERO); 182170374Ssimokawa if (dev->si_drv1 == NULL) 183170374Ssimokawa return (ENOMEM); 184170374Ssimokawa 185118455Ssimokawa if ((dev->si_flags & SI_NAMED) == 0) { 186118455Ssimokawa int unit = DEV2UNIT(dev); 187118455Ssimokawa int sub = DEV2SUB(dev); 188118455Ssimokawa 189183397Sed make_dev(&firewire_cdevsw, dev2unit(dev), 190272214Skan UID_ROOT, GID_OPERATOR, 0660, "fw%d.%d", unit, sub); 191118455Ssimokawa } 192272214Skan 193272214Skan d = dev->si_drv1; 194169130Ssimokawa d->fc = sc->fc; 195169130Ssimokawa STAILQ_INIT(&d->binds); 196169130Ssimokawa STAILQ_INIT(&d->rq); 197169130Ssimokawa 198106813Ssimokawa return err; 199106813Ssimokawa} 200106813Ssimokawa 201106813Ssimokawastatic int 202272214Skanfw_close(struct cdev *dev, int flags, int fmt, fw_proc *td) 203106813Ssimokawa{ 204118293Ssimokawa struct firewire_comm *fc; 205118293Ssimokawa struct fw_drv1 *d; 206106813Ssimokawa struct fw_xfer *xfer; 207106813Ssimokawa struct fw_bind *fwb; 208106813Ssimokawa int err = 0; 209106813Ssimokawa 210106813Ssimokawa if (DEV_FWMEM(dev)) 211106813Ssimokawa return fwmem_close(dev, flags, fmt, td); 212106813Ssimokawa 213272214Skan d = dev->si_drv1; 214169130Ssimokawa fc = d->fc; 215118293Ssimokawa 216169130Ssimokawa /* remove binding */ 217169130Ssimokawa for (fwb = STAILQ_FIRST(&d->binds); fwb != NULL; 218272214Skan fwb = STAILQ_FIRST(&d->binds)) { 219169130Ssimokawa fw_bindremove(fc, fwb); 220169130Ssimokawa STAILQ_REMOVE_HEAD(&d->binds, chlist); 221169130Ssimokawa fw_xferlist_remove(&fwb->xferlist); 222169130Ssimokawa free(fwb, M_FW); 223169130Ssimokawa } 224118293Ssimokawa if (d->ir != NULL) { 225118293Ssimokawa struct fw_xferq *ir = d->ir; 226118293Ssimokawa 227118293Ssimokawa if ((ir->flag & FWXFERQ_OPEN) == 0) 228118293Ssimokawa return (EINVAL); 229118293Ssimokawa if (ir->flag & FWXFERQ_RUNNING) { 230118293Ssimokawa ir->flag &= ~FWXFERQ_RUNNING; 231118293Ssimokawa fc->irx_disable(fc, ir->dmach); 232118293Ssimokawa } 233118293Ssimokawa /* free extbuf */ 234118293Ssimokawa fwdev_freebuf(ir); 235118293Ssimokawa /* drain receiving buffer */ 236118293Ssimokawa for (xfer = STAILQ_FIRST(&ir->q); 237272214Skan xfer != NULL; xfer = STAILQ_FIRST(&ir->q)) { 238272214Skan ir->queued--; 239118293Ssimokawa STAILQ_REMOVE_HEAD(&ir->q, link); 240118293Ssimokawa 241118293Ssimokawa xfer->resp = 0; 242118293Ssimokawa fw_xfer_done(xfer); 243118293Ssimokawa } 244272214Skan ir->flag &= ~(FWXFERQ_OPEN | FWXFERQ_MODEMASK | 245272214Skan FWXFERQ_CHTAGMASK); 246118293Ssimokawa d->ir = NULL; 247118293Ssimokawa 248106813Ssimokawa } 249118293Ssimokawa if (d->it != NULL) { 250118293Ssimokawa struct fw_xferq *it = d->it; 251106813Ssimokawa 252118293Ssimokawa if ((it->flag & FWXFERQ_OPEN) == 0) 253118293Ssimokawa return (EINVAL); 254118293Ssimokawa if (it->flag & FWXFERQ_RUNNING) { 255118293Ssimokawa it->flag &= ~FWXFERQ_RUNNING; 256118293Ssimokawa fc->itx_disable(fc, it->dmach); 257118293Ssimokawa } 258118293Ssimokawa /* free extbuf */ 259118293Ssimokawa fwdev_freebuf(it); 260118293Ssimokawa it->flag &= ~(FWXFERQ_OPEN | 261272214Skan FWXFERQ_MODEMASK | FWXFERQ_CHTAGMASK); 262118293Ssimokawa d->it = NULL; 263106813Ssimokawa } 264118293Ssimokawa free(dev->si_drv1, M_FW); 265118293Ssimokawa dev->si_drv1 = NULL; 266106813Ssimokawa 267106813Ssimokawa return err; 268106813Ssimokawa} 269106813Ssimokawa 270169130Ssimokawastatic int 271169130Ssimokawafw_read_async(struct fw_drv1 *d, struct uio *uio, int ioflag) 272169130Ssimokawa{ 273169130Ssimokawa int err = 0, s; 274169130Ssimokawa struct fw_xfer *xfer; 275169130Ssimokawa struct fw_bind *fwb; 276169130Ssimokawa struct fw_pkt *fp; 277169130Ssimokawa struct tcode_info *tinfo; 278169130Ssimokawa 279170374Ssimokawa FW_GLOCK(d->fc); 280169130Ssimokawa while ((xfer = STAILQ_FIRST(&d->rq)) == NULL && err == 0) 281170374Ssimokawa err = msleep(&d->rq, FW_GMTX(d->fc), FWPRI, "fwra", 0); 282169130Ssimokawa 283170374Ssimokawa if (err != 0) { 284170374Ssimokawa FW_GUNLOCK(d->fc); 285169130Ssimokawa return (err); 286170374Ssimokawa } 287169130Ssimokawa 288169130Ssimokawa s = splfw(); 289169130Ssimokawa STAILQ_REMOVE_HEAD(&d->rq, link); 290170374Ssimokawa FW_GUNLOCK(xfer->fc); 291169130Ssimokawa splx(s); 292169130Ssimokawa fp = &xfer->recv.hdr; 293169130Ssimokawa#if 0 /* for GASP ?? */ 294169130Ssimokawa if (fc->irx_post != NULL) 295169130Ssimokawa fc->irx_post(fc, fp->mode.ld); 296169130Ssimokawa#endif 297169130Ssimokawa tinfo = &xfer->fc->tcode[fp->mode.hdr.tcode]; 298272214Skan err = uiomove(fp, tinfo->hdr_len, uio); 299169130Ssimokawa if (err) 300169130Ssimokawa goto out; 301272214Skan err = uiomove(xfer->recv.payload, xfer->recv.pay_len, uio); 302169130Ssimokawa 303169130Ssimokawaout: 304169130Ssimokawa /* recycle this xfer */ 305169130Ssimokawa fwb = (struct fw_bind *)xfer->sc; 306169130Ssimokawa fw_xfer_unload(xfer); 307169130Ssimokawa xfer->recv.pay_len = PAGE_SIZE; 308170374Ssimokawa FW_GLOCK(xfer->fc); 309169130Ssimokawa STAILQ_INSERT_TAIL(&fwb->xferlist, xfer, link); 310170374Ssimokawa FW_GUNLOCK(xfer->fc); 311169130Ssimokawa return (err); 312169130Ssimokawa} 313169130Ssimokawa 314106813Ssimokawa/* 315106813Ssimokawa * read request. 316106813Ssimokawa */ 317106813Ssimokawastatic int 318272214Skanfw_read(struct cdev *dev, struct uio *uio, int ioflag) 319106813Ssimokawa{ 320169130Ssimokawa struct fw_drv1 *d; 321106813Ssimokawa struct fw_xferq *ir; 322169130Ssimokawa struct firewire_comm *fc; 323106813Ssimokawa int err = 0, s, slept = 0; 324106813Ssimokawa struct fw_pkt *fp; 325106813Ssimokawa 326106813Ssimokawa if (DEV_FWMEM(dev)) 327170374Ssimokawa return (physio(dev, uio, ioflag)); 328106813Ssimokawa 329272214Skan d = dev->si_drv1; 330169130Ssimokawa fc = d->fc; 331169130Ssimokawa ir = d->ir; 332169130Ssimokawa 333169130Ssimokawa if (ir == NULL) 334169130Ssimokawa return (fw_read_async(d, uio, ioflag)); 335169130Ssimokawa 336169130Ssimokawa if (ir->buf == NULL) 337118293Ssimokawa return (EIO); 338106813Ssimokawa 339170374Ssimokawa FW_GLOCK(fc); 340106813Ssimokawareadloop: 341113584Ssimokawa if (ir->stproc == NULL) { 342109988Ssimokawa /* iso bulkxfer */ 343106813Ssimokawa ir->stproc = STAILQ_FIRST(&ir->stvalid); 344109988Ssimokawa if (ir->stproc != NULL) { 345106813Ssimokawa s = splfw(); 346106813Ssimokawa STAILQ_REMOVE_HEAD(&ir->stvalid, link); 347106813Ssimokawa splx(s); 348106813Ssimokawa ir->queued = 0; 349106813Ssimokawa } 350106813Ssimokawa } 351169130Ssimokawa if (ir->stproc == NULL) { 352298955Spfg /* no data available */ 353109988Ssimokawa if (slept == 0) { 354106813Ssimokawa slept = 1; 355106813Ssimokawa ir->flag |= FWXFERQ_WAKEUP; 356170374Ssimokawa err = msleep(ir, FW_GMTX(fc), FWPRI, "fw_read", hz); 357109988Ssimokawa ir->flag &= ~FWXFERQ_WAKEUP; 358109988Ssimokawa if (err == 0) 359109988Ssimokawa goto readloop; 360109988Ssimokawa } else if (slept == 1) 361106813Ssimokawa err = EIO; 362170374Ssimokawa FW_GUNLOCK(fc); 363109988Ssimokawa return err; 364272214Skan } else if (ir->stproc != NULL) { 365109988Ssimokawa /* iso bulkxfer */ 366170374Ssimokawa FW_GUNLOCK(fc); 367272214Skan fp = (struct fw_pkt *)fwdma_v_addr(ir->buf, 368272214Skan ir->stproc->poffset + ir->queued); 369272214Skan if (fc->irx_post != NULL) 370169130Ssimokawa fc->irx_post(fc, fp->mode.ld); 371272214Skan if (fp->mode.stream.len == 0) { 372106813Ssimokawa err = EIO; 373106813Ssimokawa return err; 374106813Ssimokawa } 375109988Ssimokawa err = uiomove((caddr_t)fp, 376129585Sdfr fp->mode.stream.len + sizeof(uint32_t), uio); 377272214Skan ir->queued++; 378272214Skan if (ir->queued >= ir->bnpacket) { 379106813Ssimokawa s = splfw(); 380106813Ssimokawa STAILQ_INSERT_TAIL(&ir->stfree, ir->stproc, link); 381106813Ssimokawa splx(s); 382169130Ssimokawa fc->irx_enable(fc, ir->dmach); 383106813Ssimokawa ir->stproc = NULL; 384106813Ssimokawa } 385109988Ssimokawa if (uio->uio_resid >= ir->psize) { 386109988Ssimokawa slept = -1; 387170374Ssimokawa FW_GLOCK(fc); 388109988Ssimokawa goto readloop; 389109988Ssimokawa } 390106813Ssimokawa } 391106813Ssimokawa return err; 392106813Ssimokawa} 393106813Ssimokawa 394106813Ssimokawastatic int 395169130Ssimokawafw_write_async(struct fw_drv1 *d, struct uio *uio, int ioflag) 396169130Ssimokawa{ 397169130Ssimokawa struct fw_xfer *xfer; 398169130Ssimokawa struct fw_pkt pkt; 399169130Ssimokawa struct tcode_info *tinfo; 400169130Ssimokawa int err; 401169130Ssimokawa 402169130Ssimokawa bzero(&pkt, sizeof(struct fw_pkt)); 403169130Ssimokawa if ((err = uiomove((caddr_t)&pkt, sizeof(uint32_t), uio))) 404169130Ssimokawa return (err); 405169130Ssimokawa tinfo = &d->fc->tcode[pkt.mode.hdr.tcode]; 406169130Ssimokawa if ((err = uiomove((caddr_t)&pkt + sizeof(uint32_t), 407169130Ssimokawa tinfo->hdr_len - sizeof(uint32_t), uio))) 408169130Ssimokawa return (err); 409169130Ssimokawa 410169130Ssimokawa if ((xfer = fw_xfer_alloc_buf(M_FWXFER, uio->uio_resid, 411169130Ssimokawa PAGE_SIZE/*XXX*/)) == NULL) 412169130Ssimokawa return (ENOMEM); 413169130Ssimokawa 414169130Ssimokawa bcopy(&pkt, &xfer->send.hdr, sizeof(struct fw_pkt)); 415169130Ssimokawa xfer->send.pay_len = uio->uio_resid; 416169130Ssimokawa if (uio->uio_resid > 0) { 417169130Ssimokawa if ((err = uiomove((caddr_t)&xfer->send.payload[0], 418194687Srdivacky uio->uio_resid, uio))) 419169130Ssimokawa goto out; 420169130Ssimokawa } 421169130Ssimokawa 422169130Ssimokawa xfer->fc = d->fc; 423169130Ssimokawa xfer->sc = NULL; 424170374Ssimokawa xfer->hand = fw_xferwake; 425169130Ssimokawa xfer->send.spd = 2 /* XXX */; 426169130Ssimokawa 427169130Ssimokawa if ((err = fw_asyreq(xfer->fc, -1, xfer))) 428169130Ssimokawa goto out; 429169130Ssimokawa 430170374Ssimokawa if ((err = fw_xferwait(xfer))) 431169130Ssimokawa goto out; 432169130Ssimokawa 433169130Ssimokawa if (xfer->resp != 0) { 434169130Ssimokawa err = xfer->resp; 435169130Ssimokawa goto out; 436169130Ssimokawa } 437169130Ssimokawa 438170374Ssimokawa if (xfer->flag & FWXF_RCVD) { 439170374Ssimokawa FW_GLOCK(xfer->fc); 440169130Ssimokawa STAILQ_INSERT_TAIL(&d->rq, xfer, link); 441170374Ssimokawa FW_GUNLOCK(xfer->fc); 442169130Ssimokawa return (0); 443169130Ssimokawa } 444169130Ssimokawa 445169130Ssimokawaout: 446169130Ssimokawa fw_xfer_free(xfer); 447169130Ssimokawa return (err); 448169130Ssimokawa} 449169130Ssimokawa 450169130Ssimokawastatic int 451272214Skanfw_write(struct cdev *dev, struct uio *uio, int ioflag) 452106813Ssimokawa{ 453106813Ssimokawa int err = 0; 454106813Ssimokawa int s, slept = 0; 455169130Ssimokawa struct fw_drv1 *d; 456106813Ssimokawa struct fw_pkt *fp; 457106813Ssimokawa struct firewire_comm *fc; 458106813Ssimokawa struct fw_xferq *it; 459106813Ssimokawa 460106813Ssimokawa if (DEV_FWMEM(dev)) 461170374Ssimokawa return (physio(dev, uio, ioflag)); 462106813Ssimokawa 463272214Skan d = dev->si_drv1; 464169130Ssimokawa fc = d->fc; 465169130Ssimokawa it = d->it; 466169130Ssimokawa 467169130Ssimokawa if (it == NULL) 468169130Ssimokawa return (fw_write_async(d, uio, ioflag)); 469169130Ssimokawa 470169130Ssimokawa if (it->buf == NULL) 471118293Ssimokawa return (EIO); 472170374Ssimokawa 473170374Ssimokawa FW_GLOCK(fc); 474106813Ssimokawaisoloop: 475113802Ssimokawa if (it->stproc == NULL) { 476113802Ssimokawa it->stproc = STAILQ_FIRST(&it->stfree); 477113802Ssimokawa if (it->stproc != NULL) { 478106813Ssimokawa s = splfw(); 479113802Ssimokawa STAILQ_REMOVE_HEAD(&it->stfree, link); 480106813Ssimokawa splx(s); 481113802Ssimokawa it->queued = 0; 482113802Ssimokawa } else if (slept == 0) { 483113802Ssimokawa slept = 1; 484170374Ssimokawa#if 0 /* XXX to avoid lock recursion */ 485169130Ssimokawa err = fc->itx_enable(fc, it->dmach); 486113802Ssimokawa if (err) 487170374Ssimokawa goto out; 488170374Ssimokawa#endif 489170374Ssimokawa err = msleep(it, FW_GMTX(fc), FWPRI, "fw_write", hz); 490113802Ssimokawa if (err) 491170374Ssimokawa goto out; 492109988Ssimokawa goto isoloop; 493113802Ssimokawa } else { 494113802Ssimokawa err = EIO; 495170374Ssimokawa goto out; 496106813Ssimokawa } 497106813Ssimokawa } 498170374Ssimokawa FW_GUNLOCK(fc); 499113802Ssimokawa fp = (struct fw_pkt *)fwdma_v_addr(it->buf, 500113802Ssimokawa it->stproc->poffset + it->queued); 501113802Ssimokawa err = uiomove((caddr_t)fp, sizeof(struct fw_isohdr), uio); 502113802Ssimokawa err = uiomove((caddr_t)fp->mode.stream.payload, 503113802Ssimokawa fp->mode.stream.len, uio); 504272214Skan it->queued++; 505113802Ssimokawa if (it->queued >= it->bnpacket) { 506113802Ssimokawa s = splfw(); 507113802Ssimokawa STAILQ_INSERT_TAIL(&it->stvalid, it->stproc, link); 508113802Ssimokawa splx(s); 509113802Ssimokawa it->stproc = NULL; 510169130Ssimokawa err = fc->itx_enable(fc, it->dmach); 511113802Ssimokawa } 512113802Ssimokawa if (uio->uio_resid >= sizeof(struct fw_isohdr)) { 513113802Ssimokawa slept = 0; 514170374Ssimokawa FW_GLOCK(fc); 515113802Ssimokawa goto isoloop; 516113802Ssimokawa } 517113802Ssimokawa return err; 518170374Ssimokawa 519170374Ssimokawaout: 520170374Ssimokawa FW_GUNLOCK(fc); 521170374Ssimokawa return err; 522106813Ssimokawa} 523169130Ssimokawa 524169130Ssimokawastatic void 525169130Ssimokawafw_hand(struct fw_xfer *xfer) 526169130Ssimokawa{ 527169130Ssimokawa struct fw_bind *fwb; 528169130Ssimokawa struct fw_drv1 *d; 529169130Ssimokawa 530169130Ssimokawa fwb = (struct fw_bind *)xfer->sc; 531272214Skan d = fwb->sc; 532170374Ssimokawa FW_GLOCK(xfer->fc); 533169130Ssimokawa STAILQ_INSERT_TAIL(&d->rq, xfer, link); 534170374Ssimokawa FW_GUNLOCK(xfer->fc); 535169130Ssimokawa wakeup(&d->rq); 536169130Ssimokawa} 537169130Ssimokawa 538106813Ssimokawa/* 539106813Ssimokawa * ioctl support. 540106813Ssimokawa */ 541106813Ssimokawaint 542272214Skanfw_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int flag, fw_proc *td) 543106813Ssimokawa{ 544118293Ssimokawa struct firewire_comm *fc; 545118293Ssimokawa struct fw_drv1 *d; 546169130Ssimokawa int i, len, err = 0; 547106813Ssimokawa struct fw_device *fwdev; 548106813Ssimokawa struct fw_bind *fwb; 549106813Ssimokawa struct fw_xferq *ir, *it; 550106813Ssimokawa struct fw_xfer *xfer; 551106813Ssimokawa struct fw_pkt *fp; 552109814Ssimokawa struct fw_devinfo *devinfo; 553117473Ssimokawa void *ptr; 554106813Ssimokawa 555106813Ssimokawa struct fw_devlstreq *fwdevlst = (struct fw_devlstreq *)data; 556106813Ssimokawa struct fw_asyreq *asyreq = (struct fw_asyreq *)data; 557106813Ssimokawa struct fw_isochreq *ichreq = (struct fw_isochreq *)data; 558106813Ssimokawa struct fw_isobufreq *ibufreq = (struct fw_isobufreq *)data; 559106813Ssimokawa struct fw_asybindreq *bindreq = (struct fw_asybindreq *)data; 560106813Ssimokawa struct fw_crom_buf *crom_buf = (struct fw_crom_buf *)data; 561106813Ssimokawa 562106813Ssimokawa if (DEV_FWMEM(dev)) 563106813Ssimokawa return fwmem_ioctl(dev, cmd, data, flag, td); 564106813Ssimokawa 565106813Ssimokawa if (!data) 566272214Skan return (EINVAL); 567106813Ssimokawa 568272214Skan d = dev->si_drv1; 569169130Ssimokawa fc = d->fc; 570118293Ssimokawa ir = d->ir; 571118293Ssimokawa it = d->it; 572118293Ssimokawa 573106813Ssimokawa switch (cmd) { 574106813Ssimokawa case FW_STSTREAM: 575118293Ssimokawa if (it == NULL) { 576170374Ssimokawa i = fw_open_isodma(fc, /* tx */1); 577170374Ssimokawa if (i < 0) { 578118293Ssimokawa err = EBUSY; 579118293Ssimokawa break; 580118293Ssimokawa } 581170374Ssimokawa it = fc->it[i]; 582118293Ssimokawa err = fwdev_allocbuf(fc, it, &d->bufreq.tx); 583170374Ssimokawa if (err) { 584170374Ssimokawa it->flag &= ~FWXFERQ_OPEN; 585118293Ssimokawa break; 586170374Ssimokawa } 587118293Ssimokawa } 588118293Ssimokawa it->flag &= ~0xff; 589118293Ssimokawa it->flag |= (0x3f & ichreq->ch); 590118293Ssimokawa it->flag |= ((0x3 & ichreq->tag) << 6); 591118293Ssimokawa d->it = it; 592106813Ssimokawa break; 593106813Ssimokawa case FW_GTSTREAM: 594118293Ssimokawa if (it != NULL) { 595118293Ssimokawa ichreq->ch = it->flag & 0x3f; 596118293Ssimokawa ichreq->tag = it->flag >> 2 & 0x3; 597118293Ssimokawa } else 598118293Ssimokawa err = EINVAL; 599106813Ssimokawa break; 600106813Ssimokawa case FW_SRSTREAM: 601118293Ssimokawa if (ir == NULL) { 602170374Ssimokawa i = fw_open_isodma(fc, /* tx */0); 603170374Ssimokawa if (i < 0) { 604118293Ssimokawa err = EBUSY; 605118293Ssimokawa break; 606118293Ssimokawa } 607170374Ssimokawa ir = fc->ir[i]; 608118293Ssimokawa err = fwdev_allocbuf(fc, ir, &d->bufreq.rx); 609170374Ssimokawa if (err) { 610170374Ssimokawa ir->flag &= ~FWXFERQ_OPEN; 611118293Ssimokawa break; 612170374Ssimokawa } 613118293Ssimokawa } 614118293Ssimokawa ir->flag &= ~0xff; 615118293Ssimokawa ir->flag |= (0x3f & ichreq->ch); 616118293Ssimokawa ir->flag |= ((0x3 & ichreq->tag) << 6); 617118293Ssimokawa d->ir = ir; 618118293Ssimokawa err = fc->irx_enable(fc, ir->dmach); 619106813Ssimokawa break; 620106813Ssimokawa case FW_GRSTREAM: 621118293Ssimokawa if (d->ir != NULL) { 622118293Ssimokawa ichreq->ch = ir->flag & 0x3f; 623118293Ssimokawa ichreq->tag = ir->flag >> 2 & 0x3; 624118293Ssimokawa } else 625118293Ssimokawa err = EINVAL; 626106813Ssimokawa break; 627106813Ssimokawa case FW_SSTBUF: 628118293Ssimokawa bcopy(ibufreq, &d->bufreq, sizeof(d->bufreq)); 629106813Ssimokawa break; 630106813Ssimokawa case FW_GSTBUF: 631118293Ssimokawa bzero(&ibufreq->rx, sizeof(ibufreq->rx)); 632118293Ssimokawa if (ir != NULL) { 633118293Ssimokawa ibufreq->rx.nchunk = ir->bnchunk; 634118293Ssimokawa ibufreq->rx.npacket = ir->bnpacket; 635118293Ssimokawa ibufreq->rx.psize = ir->psize; 636118293Ssimokawa } 637118293Ssimokawa bzero(&ibufreq->tx, sizeof(ibufreq->tx)); 638118293Ssimokawa if (it != NULL) { 639118293Ssimokawa ibufreq->tx.nchunk = it->bnchunk; 640118293Ssimokawa ibufreq->tx.npacket = it->bnpacket; 641118293Ssimokawa ibufreq->tx.psize = it->psize; 642118293Ssimokawa } 643106813Ssimokawa break; 644106813Ssimokawa case FW_ASYREQ: 645120660Ssimokawa { 646120660Ssimokawa struct tcode_info *tinfo; 647121466Ssimokawa int pay_len = 0; 648120660Ssimokawa 649106813Ssimokawa fp = &asyreq->pkt; 650169130Ssimokawa tinfo = &fc->tcode[fp->mode.hdr.tcode]; 651121466Ssimokawa 652121466Ssimokawa if ((tinfo->flag & FWTI_BLOCK_ASY) != 0) 653121466Ssimokawa pay_len = MAX(0, asyreq->req.len - tinfo->hdr_len); 654121466Ssimokawa 655121466Ssimokawa xfer = fw_xfer_alloc_buf(M_FWXFER, pay_len, PAGE_SIZE/*XXX*/); 656121466Ssimokawa if (xfer == NULL) 657121466Ssimokawa return (ENOMEM); 658121466Ssimokawa 659106813Ssimokawa switch (asyreq->req.type) { 660106813Ssimokawa case FWASREQNODE: 661106813Ssimokawa break; 662106813Ssimokawa case FWASREQEUI: 663169130Ssimokawa fwdev = fw_noderesolve_eui64(fc, 664110582Ssimokawa &asyreq->req.dst.eui); 665106813Ssimokawa if (fwdev == NULL) { 666169130Ssimokawa device_printf(fc->bdev, 667108782Ssimokawa "cannot find node\n"); 668106813Ssimokawa err = EINVAL; 669121466Ssimokawa goto out; 670106813Ssimokawa } 671120660Ssimokawa fp->mode.hdr.dst = FWLOCALBUS | fwdev->dst; 672106813Ssimokawa break; 673106813Ssimokawa case FWASRESTL: 674106813Ssimokawa /* XXX what's this? */ 675106813Ssimokawa break; 676106813Ssimokawa case FWASREQSTREAM: 677106813Ssimokawa /* nothing to do */ 678106813Ssimokawa break; 679106813Ssimokawa } 680121466Ssimokawa 681120660Ssimokawa bcopy(fp, (void *)&xfer->send.hdr, tinfo->hdr_len); 682121466Ssimokawa if (pay_len > 0) 683120660Ssimokawa bcopy((char *)fp + tinfo->hdr_len, 684272214Skan xfer->send.payload, pay_len); 685121466Ssimokawa xfer->send.spd = asyreq->req.sped; 686170374Ssimokawa xfer->hand = fw_xferwake; 687121466Ssimokawa 688169130Ssimokawa if ((err = fw_asyreq(fc, -1, xfer)) != 0) 689121466Ssimokawa goto out; 690170374Ssimokawa if ((err = fw_xferwait(xfer)) != 0) 691121466Ssimokawa goto out; 692121466Ssimokawa if (xfer->resp != 0) { 693121466Ssimokawa err = EIO; 694121466Ssimokawa goto out; 695106813Ssimokawa } 696121466Ssimokawa if ((tinfo->flag & FWTI_TLABEL) == 0) 697121466Ssimokawa goto out; 698121466Ssimokawa 699121466Ssimokawa /* copy response */ 700169130Ssimokawa tinfo = &fc->tcode[xfer->recv.hdr.mode.hdr.tcode]; 701129628Sdfr if (xfer->recv.hdr.mode.hdr.tcode == FWTCODE_RRESB || 702129628Sdfr xfer->recv.hdr.mode.hdr.tcode == FWTCODE_LRES) { 703129628Sdfr pay_len = xfer->recv.pay_len; 704129628Sdfr if (asyreq->req.len >= xfer->recv.pay_len + tinfo->hdr_len) { 705129628Sdfr asyreq->req.len = xfer->recv.pay_len + 706272214Skan tinfo->hdr_len; 707129628Sdfr } else { 708129628Sdfr err = EINVAL; 709129628Sdfr pay_len = 0; 710129628Sdfr } 711129628Sdfr } else { 712129628Sdfr pay_len = 0; 713129628Sdfr } 714121466Ssimokawa bcopy(&xfer->recv.hdr, fp, tinfo->hdr_len); 715129628Sdfr bcopy(xfer->recv.payload, (char *)fp + tinfo->hdr_len, pay_len); 716121466Ssimokawaout: 717120660Ssimokawa fw_xfer_free_buf(xfer); 718106813Ssimokawa break; 719120660Ssimokawa } 720106813Ssimokawa case FW_IBUSRST: 721169130Ssimokawa fc->ibr(fc); 722106813Ssimokawa break; 723106813Ssimokawa case FW_CBINDADDR: 724169130Ssimokawa fwb = fw_bindlookup(fc, 725106813Ssimokawa bindreq->start.hi, bindreq->start.lo); 726272214Skan if (fwb == NULL) { 727106813Ssimokawa err = EINVAL; 728106813Ssimokawa break; 729106813Ssimokawa } 730169130Ssimokawa fw_bindremove(fc, fwb); 731169130Ssimokawa STAILQ_REMOVE(&d->binds, fwb, fw_bind, chlist); 732169130Ssimokawa fw_xferlist_remove(&fwb->xferlist); 733110195Ssimokawa free(fwb, M_FW); 734106813Ssimokawa break; 735106813Ssimokawa case FW_SBINDADDR: 736272214Skan if (bindreq->len <= 0) { 737106813Ssimokawa err = EINVAL; 738106813Ssimokawa break; 739106813Ssimokawa } 740272214Skan if (bindreq->start.hi > 0xffff) { 741106813Ssimokawa err = EINVAL; 742106813Ssimokawa break; 743106813Ssimokawa } 744272214Skan fwb = malloc(sizeof(struct fw_bind), M_FW, M_WAITOK); 745272214Skan if (fwb == NULL) { 746106813Ssimokawa err = ENOMEM; 747106813Ssimokawa break; 748106813Ssimokawa } 749120660Ssimokawa fwb->start = ((u_int64_t)bindreq->start.hi << 32) | 750120660Ssimokawa bindreq->start.lo; 751120660Ssimokawa fwb->end = fwb->start + bindreq->len; 752272214Skan fwb->sc = d; 753169130Ssimokawa STAILQ_INIT(&fwb->xferlist); 754169130Ssimokawa err = fw_bindadd(fc, fwb); 755169130Ssimokawa if (err == 0) { 756169130Ssimokawa fw_xferlist_add(&fwb->xferlist, M_FWXFER, 757169130Ssimokawa /* XXX */ 758169130Ssimokawa PAGE_SIZE, PAGE_SIZE, 5, 759272214Skan fc, fwb, fw_hand); 760169130Ssimokawa STAILQ_INSERT_TAIL(&d->binds, fwb, chlist); 761106813Ssimokawa } 762106813Ssimokawa break; 763106813Ssimokawa case FW_GDEVLST: 764109814Ssimokawa i = len = 1; 765109814Ssimokawa /* myself */ 766109814Ssimokawa devinfo = &fwdevlst->dev[0]; 767169130Ssimokawa devinfo->dst = fc->nodeid; 768109814Ssimokawa devinfo->status = 0; /* XXX */ 769169130Ssimokawa devinfo->eui.hi = fc->eui.hi; 770169130Ssimokawa devinfo->eui.lo = fc->eui.lo; 771169130Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) { 772272214Skan if (len < FW_MAX_DEVLST) { 773109814Ssimokawa devinfo = &fwdevlst->dev[len++]; 774109814Ssimokawa devinfo->dst = fwdev->dst; 775272214Skan devinfo->status = 776272214Skan (fwdev->status == FWDEVINVAL) ? 0 : 1; 777109814Ssimokawa devinfo->eui.hi = fwdev->eui.hi; 778109814Ssimokawa devinfo->eui.lo = fwdev->eui.lo; 779106813Ssimokawa } 780106813Ssimokawa i++; 781106813Ssimokawa } 782106813Ssimokawa fwdevlst->n = i; 783109814Ssimokawa fwdevlst->info_len = len; 784106813Ssimokawa break; 785106813Ssimokawa case FW_GTPMAP: 786169130Ssimokawa bcopy(fc->topology_map, data, 787272214Skan (fc->topology_map->crc_len + 1) * 4); 788106813Ssimokawa break; 789106813Ssimokawa case FW_GCROM: 790169130Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 791110193Ssimokawa if (FW_EUI64_EQUAL(fwdev->eui, crom_buf->eui)) 792106813Ssimokawa break; 793106813Ssimokawa if (fwdev == NULL) { 794169130Ssimokawa if (!FW_EUI64_EQUAL(fc->eui, crom_buf->eui)) { 795117473Ssimokawa err = FWNODE_INVAL; 796117473Ssimokawa break; 797117473Ssimokawa } 798117473Ssimokawa /* myself */ 799117473Ssimokawa ptr = malloc(CROMSIZE, M_FW, M_WAITOK); 800117473Ssimokawa len = CROMSIZE; 801117473Ssimokawa for (i = 0; i < CROMSIZE/4; i++) 802129585Sdfr ((uint32_t *)ptr)[i] 803169130Ssimokawa = ntohl(fc->config_rom[i]); 804117473Ssimokawa } else { 805117473Ssimokawa /* found */ 806117473Ssimokawa ptr = (void *)&fwdev->csrrom[0]; 807117473Ssimokawa if (fwdev->rommax < CSRROMOFF) 808117473Ssimokawa len = 0; 809117473Ssimokawa else 810117473Ssimokawa len = fwdev->rommax - CSRROMOFF + 4; 811106813Ssimokawa } 812169019Ssimokawa if (crom_buf->len < len) 813106813Ssimokawa len = crom_buf->len; 814106813Ssimokawa else 815106813Ssimokawa crom_buf->len = len; 816117473Ssimokawa err = copyout(ptr, crom_buf->ptr, len); 817117473Ssimokawa if (fwdev == NULL) 818117473Ssimokawa /* myself */ 819117473Ssimokawa free(ptr, M_FW); 820106813Ssimokawa break; 821106813Ssimokawa default: 822272214Skan fc->ioctl(dev, cmd, data, flag, td); 823106813Ssimokawa break; 824106813Ssimokawa } 825106813Ssimokawa return err; 826106813Ssimokawa} 827106813Ssimokawaint 828130585Sphkfw_poll(struct cdev *dev, int events, fw_proc *td) 829106813Ssimokawa{ 830118293Ssimokawa struct fw_xferq *ir; 831106813Ssimokawa int revents; 832106813Ssimokawa int tmp; 833106813Ssimokawa 834106813Ssimokawa if (DEV_FWMEM(dev)) 835106813Ssimokawa return fwmem_poll(dev, events, td); 836106813Ssimokawa 837118293Ssimokawa ir = ((struct fw_drv1 *)dev->si_drv1)->ir; 838106813Ssimokawa revents = 0; 839106813Ssimokawa tmp = POLLIN | POLLRDNORM; 840106813Ssimokawa if (events & tmp) { 841118293Ssimokawa if (STAILQ_FIRST(&ir->q) != NULL) 842106813Ssimokawa revents |= tmp; 843106813Ssimokawa else 844118293Ssimokawa selrecord(td, &ir->rsel); 845106813Ssimokawa } 846106813Ssimokawa tmp = POLLOUT | POLLWRNORM; 847106813Ssimokawa if (events & tmp) { 848272214Skan /* XXX should be fixed */ 849106813Ssimokawa revents |= tmp; 850106813Ssimokawa } 851106813Ssimokawa 852106813Ssimokawa return revents; 853106813Ssimokawa} 854106813Ssimokawa 855106813Ssimokawastatic int 856201223Srnolandfw_mmap (struct cdev *dev, vm_ooffset_t offset, vm_paddr_t *paddr, 857201223Srnoland int nproto, vm_memattr_t *memattr) 858272214Skan{ 859106813Ssimokawa 860106813Ssimokawa if (DEV_FWMEM(dev)) 861201223Srnoland return fwmem_mmap(dev, offset, paddr, nproto, memattr); 862106813Ssimokawa 863106813Ssimokawa return EINVAL; 864106813Ssimokawa} 865118455Ssimokawa 866120660Ssimokawastatic void 867120660Ssimokawafw_strategy(struct bio *bp) 868120660Ssimokawa{ 869130585Sphk struct cdev *dev; 870120660Ssimokawa 871120660Ssimokawa dev = bp->bio_dev; 872120660Ssimokawa if (DEV_FWMEM(dev)) { 873120660Ssimokawa fwmem_strategy(bp); 874120660Ssimokawa return; 875120660Ssimokawa } 876120660Ssimokawa 877120660Ssimokawa bp->bio_error = EOPNOTSUPP; 878120660Ssimokawa bp->bio_flags |= BIO_ERROR; 879120660Ssimokawa bp->bio_resid = bp->bio_bcount; 880120660Ssimokawa biodone(bp); 881120660Ssimokawa} 882120660Ssimokawa 883118455Ssimokawaint 884118455Ssimokawafwdev_makedev(struct firewire_softc *sc) 885118455Ssimokawa{ 886118455Ssimokawa int err = 0; 887118455Ssimokawa 888130585Sphk struct cdev *d; 889118455Ssimokawa int unit; 890118455Ssimokawa 891118455Ssimokawa unit = device_get_unit(sc->fc->bdev); 892118455Ssimokawa sc->dev = make_dev(&firewire_cdevsw, MAKEMINOR(0, unit, 0), 893272214Skan UID_ROOT, GID_OPERATOR, 0660, "fw%d.%d", unit, 0); 894272214Skan d = make_dev(&firewire_cdevsw, MAKEMINOR(FWMEM_FLAG, unit, 0), 895272214Skan UID_ROOT, GID_OPERATOR, 0660, "fwmem%d.%d", unit, 0); 896118455Ssimokawa dev_depends(sc->dev, d); 897118455Ssimokawa make_dev_alias(sc->dev, "fw%d", unit); 898118455Ssimokawa make_dev_alias(d, "fwmem%d", unit); 899118455Ssimokawa 900118455Ssimokawa return (err); 901118455Ssimokawa} 902118455Ssimokawa 903118455Ssimokawaint 904118455Ssimokawafwdev_destroydev(struct firewire_softc *sc) 905118455Ssimokawa{ 906118455Ssimokawa int err = 0; 907118455Ssimokawa 908118455Ssimokawa destroy_dev(sc->dev); 909118455Ssimokawa return (err); 910118455Ssimokawa} 911118455Ssimokawa 912118455Ssimokawa#define NDEVTYPE 2 913118455Ssimokawavoid 914148868Srwatsonfwdev_clone(void *arg, struct ucred *cred, char *name, int namelen, 915148868Srwatson struct cdev **dev) 916118455Ssimokawa{ 917118455Ssimokawa struct firewire_softc *sc; 918118455Ssimokawa char *devnames[NDEVTYPE] = {"fw", "fwmem"}; 919118455Ssimokawa char *subp = NULL; 920118455Ssimokawa int devflag[NDEVTYPE] = {0, FWMEM_FLAG}; 921118455Ssimokawa int i, unit = 0, sub = 0; 922118455Ssimokawa 923130640Sphk if (*dev != NULL) 924118455Ssimokawa return; 925118455Ssimokawa 926118455Ssimokawa for (i = 0; i < NDEVTYPE; i++) 927120624Ssimokawa if (dev_stdclone(name, &subp, devnames[i], &unit) == 2) 928118455Ssimokawa goto found; 929118455Ssimokawa /* not match */ 930118455Ssimokawa return; 931118455Ssimokawafound: 932118455Ssimokawa 933118455Ssimokawa if (subp == NULL || *subp++ != '.') 934118455Ssimokawa return; 935118455Ssimokawa 936118455Ssimokawa /* /dev/fwU.S */ 937118455Ssimokawa while (isdigit(*subp)) { 938118455Ssimokawa sub *= 10; 939118455Ssimokawa sub += *subp++ - '0'; 940118455Ssimokawa } 941118455Ssimokawa if (*subp != '\0') 942118455Ssimokawa return; 943118455Ssimokawa 944118455Ssimokawa sc = devclass_get_softc(firewire_devclass, unit); 945118455Ssimokawa if (sc == NULL) 946118455Ssimokawa return; 947255359Sdavide *dev = make_dev_credf(MAKEDEV_REF, &firewire_cdevsw, 948255359Sdavide MAKEMINOR(devflag[i], unit, sub), cred, UID_ROOT, GID_OPERATOR, 949255359Sdavide 0660, "%s%d.%d", devnames[i], unit, sub); 950118455Ssimokawa dev_depends(sc->dev, *dev); 951118455Ssimokawa return; 952118455Ssimokawa} 953