The following reply was made to PR usb/164090; it has been noted by GNATS. From: dfil...@freebsd.org (dfilter service) To: bug-follo...@freebsd.org Cc: Subject: Re: usb/164090: commit references a PR Date: Thu, 23 Feb 2012 07:35:17 +0000 (UTC)
Author: hselasky Date: Thu Feb 23 07:34:53 2012 New Revision: 232038 URL: http://svn.freebsd.org/changeset/base/232038 Log: MFC r230204 and r230209: Export information about USB serial port unit and port numbers directly via the sysctl interface. PR: usb/164090 Modified: stable/9/sys/dev/usb/serial/usb_serial.c stable/9/sys/dev/usb/serial/usb_serial.h Directory Properties: stable/9/sys/ (props changed) Modified: stable/9/sys/dev/usb/serial/usb_serial.c ============================================================================== --- stable/9/sys/dev/usb/serial/usb_serial.c Thu Feb 23 07:27:20 2012 (r232037) +++ stable/9/sys/dev/usb/serial/usb_serial.c Thu Feb 23 07:34:53 2012 (r232038) @@ -248,10 +248,16 @@ ucom_attach(struct ucom_super_softc *ssc return (EINVAL); } + /* allocate a uniq unit number */ ssc->sc_unit = ucom_unit_alloc(); if (ssc->sc_unit == -1) return (ENOMEM); + /* generate TTY name string */ + snprintf(ssc->sc_ttyname, sizeof(ssc->sc_ttyname), + UCOM_TTY_PREFIX "%d", ssc->sc_unit); + + /* create USB request handling process */ error = usb_proc_create(&ssc->sc_tq, mtx, "ucom", USB_PRI_MED); if (error) { ucom_unit_free(ssc->sc_unit); @@ -292,6 +298,16 @@ ucom_detach(struct ucom_super_softc *ssc if (ssc->sc_subunits == 0) return; /* not initialized */ + if (ssc->sc_sysctl_ttyname != NULL) { + sysctl_remove_oid(ssc->sc_sysctl_ttyname, 1, 0); + ssc->sc_sysctl_ttyname = NULL; + } + + if (ssc->sc_sysctl_ttyports != NULL) { + sysctl_remove_oid(ssc->sc_sysctl_ttyports, 1, 0); + ssc->sc_sysctl_ttyports = NULL; + } + usb_proc_drain(&ssc->sc_tq); for (subunit = 0; subunit < ssc->sc_subunits; subunit++) { @@ -420,19 +436,36 @@ ucom_detach_tty(struct ucom_softc *sc) void ucom_set_pnpinfo_usb(struct ucom_super_softc *ssc, device_t dev) { - char buf[64]; - uint8_t iface_index; - struct usb_attach_arg *uaa; - - snprintf(buf, sizeof(buf), "ttyname=%s%d ttyports=%d", - UCOM_TTY_PREFIX, ssc->sc_unit, ssc->sc_subunits); - - /* Store the PNP info in the first interface for the dev */ - uaa = device_get_ivars(dev); - iface_index = uaa->info.bIfaceIndex; + char buf[64]; + uint8_t iface_index; + struct usb_attach_arg *uaa; + + snprintf(buf, sizeof(buf), "ttyname=" UCOM_TTY_PREFIX + "%d ttyports=%d", ssc->sc_unit, ssc->sc_subunits); + + /* Store the PNP info in the first interface for the device */ + uaa = device_get_ivars(dev); + iface_index = uaa->info.bIfaceIndex; - if (usbd_set_pnpinfo(uaa->device, iface_index, buf) != 0) - device_printf(dev, "Could not set PNP info\n"); + if (usbd_set_pnpinfo(uaa->device, iface_index, buf) != 0) + device_printf(dev, "Could not set PNP info\n"); + + /* + * The following information is also replicated in the PNP-info + * string which is registered above: + */ + if (ssc->sc_sysctl_ttyname == NULL) { + ssc->sc_sysctl_ttyname = SYSCTL_ADD_STRING(NULL, + SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), + OID_AUTO, "ttyname", CTLFLAG_RD, ssc->sc_ttyname, 0, + "TTY device basename"); + } + if (ssc->sc_sysctl_ttyports == NULL) { + ssc->sc_sysctl_ttyports = SYSCTL_ADD_INT(NULL, + SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), + OID_AUTO, "ttyports", CTLFLAG_RD, + NULL, ssc->sc_subunits, "Number of ports"); + } } static void Modified: stable/9/sys/dev/usb/serial/usb_serial.h ============================================================================== --- stable/9/sys/dev/usb/serial/usb_serial.h Thu Feb 23 07:27:20 2012 (r232037) +++ stable/9/sys/dev/usb/serial/usb_serial.h Thu Feb 23 07:34:53 2012 (r232038) @@ -70,6 +70,7 @@ #include <sys/tty.h> #include <sys/serial.h> #include <sys/fcntl.h> +#include <sys/sysctl.h> /* Module interface related macros */ #define UCOM_MODVER 1 @@ -132,8 +133,11 @@ struct ucom_param_task { struct ucom_super_softc { struct usb_process sc_tq; - uint32_t sc_unit; - uint32_t sc_subunits; + int sc_unit; + int sc_subunits; + struct sysctl_oid *sc_sysctl_ttyname; + struct sysctl_oid *sc_sysctl_ttyports; + char sc_ttyname[16]; }; struct ucom_softc { _______________________________________________ svn-src-...@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org" _______________________________________________ freebsd-usb@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-usb To unsubscribe, send any mail to "freebsd-usb-unsubscr...@freebsd.org"
