diff options
Diffstat (limited to 'sys/dev/usb/usb_debug.c')
| -rw-r--r-- | sys/dev/usb/usb_debug.c | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/sys/dev/usb/usb_debug.c b/sys/dev/usb/usb_debug.c index ae0db7f..1e43063 100644 --- a/sys/dev/usb/usb_debug.c +++ b/sys/dev/usb/usb_debug.c @@ -68,6 +68,55 @@ SYSCTL_INT(_hw_usb, OID_AUTO, debug, CTLFLAG_RW, TUNABLE_INT("hw.usb.debug", &usb_debug); +#ifdef USB_DEBUG +/* + * Sysctls to modify timings/delays + */ +static SYSCTL_NODE(_hw_usb, OID_AUTO, timings, CTLFLAG_RW, 0, "Timings"); +static int usb_timings_sysctl_handler(SYSCTL_HANDLER_ARGS); + +TUNABLE_INT("hw.usb.timings.port_reset_delay", (int *)&usb_port_reset_delay); +SYSCTL_PROC(_hw_usb_timings, OID_AUTO, port_reset_delay, CTLTYPE_UINT | CTLFLAG_RW, + &usb_port_reset_delay, sizeof(usb_port_reset_delay), + usb_timings_sysctl_handler, "IU", "Port Reset Delay"); +TUNABLE_INT("hw.usb.timings.port_root_reset_delay", (int *)&usb_port_root_reset_delay); +SYSCTL_PROC(_hw_usb_timings, OID_AUTO, port_root_reset_delay, CTLTYPE_UINT | CTLFLAG_RW, + &usb_port_root_reset_delay, sizeof(usb_port_root_reset_delay), + usb_timings_sysctl_handler, "IU", "Root Port Reset Delay"); +TUNABLE_INT("hw.usb.timings.port_reset_recovery", (int *)&usb_port_reset_recovery); +SYSCTL_PROC(_hw_usb_timings, OID_AUTO, port_reset_recovery, CTLTYPE_UINT | CTLFLAG_RW, + &usb_port_reset_recovery, sizeof(usb_port_reset_recovery), + usb_timings_sysctl_handler, "IU", "Port Reset Recovery"); +TUNABLE_INT("hw.usb.timings.port_powerup_delay", (int *)&usb_port_powerup_delay); +SYSCTL_PROC(_hw_usb_timings, OID_AUTO, port_powerup_delay, CTLTYPE_UINT | CTLFLAG_RW, + &usb_port_powerup_delay, sizeof(usb_port_powerup_delay), + usb_timings_sysctl_handler, "IU", "Port PowerUp Delay"); +TUNABLE_INT("hw.usb.timings.port_resume_delay", (int *)&usb_port_resume_delay); +SYSCTL_PROC(_hw_usb_timings, OID_AUTO, port_resume_delay, CTLTYPE_UINT | CTLFLAG_RW, + &usb_port_resume_delay, sizeof(usb_port_resume_delay), + usb_timings_sysctl_handler, "IU", "Port Resume Delay"); +TUNABLE_INT("hw.usb.timings.set_address_settle", (int *)&usb_set_address_settle); +SYSCTL_PROC(_hw_usb_timings, OID_AUTO, set_address_settle, CTLTYPE_UINT | CTLFLAG_RW, + &usb_set_address_settle, sizeof(usb_set_address_settle), + usb_timings_sysctl_handler, "IU", "Set Address Settle"); +TUNABLE_INT("hw.usb.timings.resume_delay", (int *)&usb_resume_delay); +SYSCTL_PROC(_hw_usb_timings, OID_AUTO, resume_delay, CTLTYPE_UINT | CTLFLAG_RW, + &usb_resume_delay, sizeof(usb_resume_delay), + usb_timings_sysctl_handler, "IU", "Resume Delay"); +TUNABLE_INT("hw.usb.timings.resume_wait", (int *)&usb_resume_wait); +SYSCTL_PROC(_hw_usb_timings, OID_AUTO, resume_wait, CTLTYPE_UINT | CTLFLAG_RW, + &usb_resume_wait, sizeof(usb_resume_wait), + usb_timings_sysctl_handler, "IU", "Resume Wait"); +TUNABLE_INT("hw.usb.timings.resume_recovery", (int *)&usb_resume_recovery); +SYSCTL_PROC(_hw_usb_timings, OID_AUTO, resume_recovery, CTLTYPE_UINT | CTLFLAG_RW, + &usb_resume_recovery, sizeof(usb_resume_recovery), + usb_timings_sysctl_handler, "IU", "Resume Recovery"); +TUNABLE_INT("hw.usb.timings.extra_power_up_time", (int *)&usb_extra_power_up_time); +SYSCTL_PROC(_hw_usb_timings, OID_AUTO, extra_power_up_time, CTLTYPE_UINT | CTLFLAG_RW, + &usb_extra_power_up_time, sizeof(usb_extra_power_up_time), + usb_timings_sysctl_handler, "IU", "Extra PowerUp Time"); +#endif + /*------------------------------------------------------------------------* * usb_dump_iface * @@ -176,3 +225,87 @@ usb_dump_xfer(struct usb_xfer *xfer) xfer->endpoint->edesc->bEndpointAddress, xfer->endpoint->edesc->bmAttributes); } + +#ifdef USB_DEBUG +unsigned int usb_port_reset_delay = USB_PORT_RESET_DELAY; +unsigned int usb_port_root_reset_delay = USB_PORT_ROOT_RESET_DELAY; +unsigned int usb_port_reset_recovery = USB_PORT_RESET_RECOVERY; +unsigned int usb_port_powerup_delay = USB_PORT_POWERUP_DELAY; +unsigned int usb_port_resume_delay = USB_PORT_RESUME_DELAY; +unsigned int usb_set_address_settle = USB_SET_ADDRESS_SETTLE; +unsigned int usb_resume_delay = USB_RESUME_DELAY; +unsigned int usb_resume_wait = USB_RESUME_WAIT; +unsigned int usb_resume_recovery = USB_RESUME_RECOVERY; +unsigned int usb_extra_power_up_time = USB_EXTRA_POWER_UP_TIME; + +/*------------------------------------------------------------------------* + * usb_timings_sysctl_handler + * + * This function updates timings variables, adjusting them where necessary. + *------------------------------------------------------------------------*/ +static int usb_timings_sysctl_handler(SYSCTL_HANDLER_ARGS) +{ + int error = 0; + unsigned int val; + + /* + * Attempt to get a coherent snapshot by making a copy of the data. + */ + if (arg1) + val = *(unsigned int *)arg1; + else + val = arg2; + error = SYSCTL_OUT(req, &val, sizeof(int)); + if (error || !req->newptr) + return (error); + + if (!arg1) + return EPERM; + + error = SYSCTL_IN(req, &val, sizeof(unsigned int)); + if (error) + return (error); + + /* + * Now make sure the values are decent, and certainly no lower than + * what the USB spec prescribes. + */ + unsigned int *p = (unsigned int *)arg1; + if (p == &usb_port_reset_delay) { + if (val < USB_PORT_RESET_DELAY_SPEC) + return (EINVAL); + } else if (p == &usb_port_root_reset_delay) { + if (val < USB_PORT_ROOT_RESET_DELAY_SPEC) + return (EINVAL); + } else if (p == &usb_port_reset_recovery) { + if (val < USB_PORT_RESET_RECOVERY_SPEC) + return (EINVAL); + } else if (p == &usb_port_powerup_delay) { + if (val < USB_PORT_POWERUP_DELAY_SPEC) + return (EINVAL); + } else if (p == &usb_port_resume_delay) { + if (val < USB_PORT_RESUME_DELAY_SPEC) + return (EINVAL); + } else if (p == &usb_set_address_settle) { + if (val < USB_SET_ADDRESS_SETTLE_SPEC) + return (EINVAL); + } else if (p == &usb_resume_delay) { + if (val < USB_RESUME_DELAY_SPEC) + return (EINVAL); + } else if (p == &usb_resume_wait) { + if (val < USB_RESUME_WAIT_SPEC) + return (EINVAL); + } else if (p == &usb_resume_recovery) { + if (val < USB_RESUME_RECOVERY_SPEC) + return (EINVAL); + } else if (p == &usb_extra_power_up_time) { + if (val < USB_EXTRA_POWER_UP_TIME_SPEC) + return (EINVAL); + } else { + /* noop */ + } + + *p = val; + return 0; +} +#endif |
