Use deviter API to search for child devices.
As all identifying information is stored in the device properties, this removes the need for child devices to have a reserved area (struct btdev) in the softc, and bthub(4) does no longer need to have a softc at all.
This commit is contained in:
plunky
parent
03489e636c
commit
5281276341
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@ -1,4 +1,4 @@
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/* $NetBSD: btdev.h,v 1.7 2007/11/03 17:41:03 plunky Exp $ */
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/* $NetBSD: btdev.h,v 1.8 2008/03/28 21:17:37 plunky Exp $ */
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/*-
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* Copyright (c) 2006 Itronix Inc.
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@ -48,11 +48,4 @@
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#define BTDEVencrypt "encrypt"
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#define BTDEVsecure "secure"
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#ifdef _KERNEL
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struct btdev {
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device_t sc_dev;
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LIST_ENTRY(btdev) sc_next;
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};
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#endif /* _KERNEL */
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#endif /* _DEV_BLUETOOTH_BTDEV_H_ */
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@ -1,4 +1,4 @@
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/* $NetBSD: bthidev.c,v 1.13 2007/11/12 19:19:32 plunky Exp $ */
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/* $NetBSD: bthidev.c,v 1.14 2008/03/28 21:17:37 plunky Exp $ */
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/*-
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* Copyright (c) 2006 Itronix Inc.
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@ -32,7 +32,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: bthidev.c,v 1.13 2007/11/12 19:19:32 plunky Exp $");
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__KERNEL_RCSID(0, "$NetBSD: bthidev.c,v 1.14 2008/03/28 21:17:37 plunky Exp $");
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#include <sys/param.h>
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#include <sys/conf.h>
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@ -66,7 +66,6 @@ __KERNEL_RCSID(0, "$NetBSD: bthidev.c,v 1.13 2007/11/12 19:19:32 plunky Exp $");
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/* bthidev softc */
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struct bthidev_softc {
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struct btdev sc_btdev;
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uint16_t sc_state;
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uint16_t sc_flags;
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device_t sc_dev;
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@ -1,4 +1,4 @@
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/* $NetBSD: bthub.c,v 1.12 2007/11/03 17:41:03 plunky Exp $ */
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/* $NetBSD: bthub.c,v 1.13 2008/03/28 21:17:37 plunky Exp $ */
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/*-
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* Copyright (c) 2006 Itronix Inc.
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@ -32,7 +32,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: bthub.c,v 1.12 2007/11/03 17:41:03 plunky Exp $");
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__KERNEL_RCSID(0, "$NetBSD: bthub.c,v 1.13 2008/03/28 21:17:37 plunky Exp $");
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#include <sys/param.h>
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#include <sys/conf.h>
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@ -58,17 +58,12 @@ __KERNEL_RCSID(0, "$NetBSD: bthub.c,v 1.12 2007/11/03 17:41:03 plunky Exp $");
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* Bluetooth Device Hub
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*/
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struct bthub_softc {
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device_t sc_dev;
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LIST_HEAD(,btdev) sc_list;
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};
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/* autoconf(9) glue */
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static int bthub_match(device_t, struct cfdata *, void *);
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static void bthub_attach(device_t, device_t, void *);
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static int bthub_detach(device_t, int);
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CFATTACH_DECL_NEW(bthub, sizeof(struct bthub_softc),
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CFATTACH_DECL_NEW(bthub, 0,
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bthub_match, bthub_attach, bthub_detach, NULL);
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/* control file */
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@ -100,14 +95,10 @@ bthub_match(device_t self, struct cfdata *cfdata, void *arg)
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static void
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bthub_attach(device_t parent, device_t self, void *aux)
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{
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struct bthub_softc *sc = device_private(self);
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bdaddr_t *addr = aux;
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prop_dictionary_t dict;
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prop_object_t obj;
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LIST_INIT(&sc->sc_list);
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sc->sc_dev = self;
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dict = device_properties(self);
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obj = prop_data_create_data(addr, sizeof(*addr));
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prop_dictionary_set(dict, BTDEVladdr, obj);
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@ -124,25 +115,10 @@ bthub_attach(device_t parent, device_t self, void *aux)
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static int
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bthub_detach(device_t self, int flags)
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{
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struct bthub_softc *sc = device_private(self);
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struct btdev *btdev;
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int err;
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while (!LIST_EMPTY(&sc->sc_list)) {
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btdev = LIST_FIRST(&sc->sc_list);
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LIST_REMOVE(btdev, sc_next);
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err = config_detach(btdev->sc_dev, flags);
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if (err && (flags & DETACH_FORCE) == 0) {
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LIST_INSERT_HEAD(&sc->sc_list, btdev, sc_next);
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return err;
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}
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}
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return 0;
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return config_detach_children(self, flags);
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}
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/*****************************************************************************
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*
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* bthub access functions to control device
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@ -177,13 +153,12 @@ static int
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bthub_pioctl(dev_t devno, unsigned long cmd, prop_dictionary_t dict,
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int flag, struct lwp *l)
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{
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struct bthub_softc *sc;
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struct btdev *btdev;
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prop_data_t laddr, raddr;
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prop_string_t service;
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prop_dictionary_t prop;
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prop_object_t obj;
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device_t dev;
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device_t dev, self;
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deviter_t di;
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int unit;
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/* validate local address */
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@ -196,16 +171,15 @@ bthub_pioctl(dev_t devno, unsigned long cmd, prop_dictionary_t dict,
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if (unit == bthub_cd.cd_ndevs)
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return ENXIO;
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dev = bthub_cd.cd_devs[unit];
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if (dev == NULL)
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self = bthub_cd.cd_devs[unit];
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if (self == NULL)
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continue;
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prop = device_properties(dev);
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prop = device_properties(self);
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obj = prop_dictionary_get(prop, BTDEVladdr);
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if (prop_data_equals(laddr, obj))
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break;
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}
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sc = device_private(dev);
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/* validate remote address */
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raddr = prop_dictionary_get(dict, BTDEVraddr);
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@ -219,8 +193,12 @@ bthub_pioctl(dev_t devno, unsigned long cmd, prop_dictionary_t dict,
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return EINVAL;
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/* locate matching child device, if any */
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LIST_FOREACH(btdev, &sc->sc_list, sc_next) {
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prop = device_properties(btdev->sc_dev);
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deviter_init(&di, 0);
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while ((dev = deviter_next(&di)) != NULL) {
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if (device_parent(dev) != self)
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continue;
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prop = device_properties(dev);
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obj = prop_dictionary_get(prop, BTDEVraddr);
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if (!prop_object_equals(raddr, obj))
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@ -232,13 +210,14 @@ bthub_pioctl(dev_t devno, unsigned long cmd, prop_dictionary_t dict,
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break;
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}
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deviter_release(&di);
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switch (cmd) {
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case BTDEV_ATTACH: /* attach BTDEV */
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if (btdev != NULL)
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if (dev != NULL)
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return EADDRINUSE;
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dev = config_found(sc->sc_dev, dict, bthub_print);
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dev = config_found(self, dict, bthub_print);
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if (dev == NULL)
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return ENXIO;
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@ -246,18 +225,13 @@ bthub_pioctl(dev_t devno, unsigned long cmd, prop_dictionary_t dict,
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prop_dictionary_set(prop, BTDEVladdr, laddr);
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prop_dictionary_set(prop, BTDEVraddr, raddr);
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prop_dictionary_set(prop, BTDEVservice, service);
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btdev = device_private(dev);
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btdev->sc_dev = dev;
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LIST_INSERT_HEAD(&sc->sc_list, btdev, sc_next);
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break;
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case BTDEV_DETACH: /* detach BTDEV */
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if (btdev == NULL)
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if (dev == NULL)
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return ENXIO;
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LIST_REMOVE(btdev, sc_next);
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config_detach(btdev->sc_dev, DETACH_FORCE);
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config_detach(dev, DETACH_FORCE);
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break;
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}
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@ -1,4 +1,4 @@
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/* $NetBSD: btsco.c,v 1.18 2007/11/11 12:59:05 plunky Exp $ */
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/* $NetBSD: btsco.c,v 1.19 2008/03/28 21:17:37 plunky Exp $ */
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/*-
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* Copyright (c) 2006 Itronix Inc.
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@ -32,7 +32,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: btsco.c,v 1.18 2007/11/11 12:59:05 plunky Exp $");
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__KERNEL_RCSID(0, "$NetBSD: btsco.c,v 1.19 2008/03/28 21:17:37 plunky Exp $");
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#include <sys/param.h>
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#include <sys/audioio.h>
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@ -86,7 +86,6 @@ int btsco_debug = BTSCO_DEBUG;
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/* btsco softc */
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struct btsco_softc {
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struct btdev sc_btdev;
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uint16_t sc_flags;
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const char *sc_name; /* our device_xname */
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