usb_hub.c File Reference

#include <sys/stdint.h>
#include <sys/stddef.h>
#include <sys/param.h>
#include <sys/queue.h>
#include <sys/types.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/module.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/condvar.h>
#include <sys/sbuf.h>
#include <sys/sysctl.h>
#include <sys/sx.h>
#include <sys/unistd.h>
#include <sys/callout.h>
#include <sys/malloc.h>
#include <sys/priv.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdi_util.h>
#include <dev/usb/usb_core.h>
#include <dev/usb/usb_process.h>
#include <dev/usb/usb_device.h>
#include <dev/usb/usb_request.h>
#include <dev/usb/usb_debug.h>
#include <dev/usb/usb_hub.h>
#include <dev/usb/usb_util.h>
#include <dev/usb/usb_busdma.h>
#include <dev/usb/usb_transfer.h>
#include <dev/usb/usb_dynamic.h>
#include <dev/usb/usb_controller.h>
#include <dev/usb/usb_bus.h>
#include <dev/usb/usb_hub_private.h>

Include dependency graph for usb_hub.c:

Go to the source code of this file.

Macros
#define	USB_DEBUG_VAR   uhub_debug
#define	UHUB_PROTO(sc)   ((sc)->sc_udev->ddesc.bDeviceProtocol)
#define	UHUB_IS_HIGH_SPEED(sc)   (UHUB_PROTO(sc) != UDPROTO_FSHUB)
#define	UHUB_IS_SINGLE_TT(sc)   (UHUB_PROTO(sc) == UDPROTO_HSHUBSTT)
#define	UHUB_IS_MULTI_TT(sc)   (UHUB_PROTO(sc) == UDPROTO_HSHUBMTT)
#define	UHUB_IS_SUPER_SPEED(sc)   (UHUB_PROTO(sc) == UDPROTO_SSHUB)

Functions
static void	usb_dev_resume_peer (struct usb_device *udev)
static void	usb_dev_suspend_peer (struct usb_device *udev)
static uint8_t	usb_peer_should_wakeup (struct usb_device *udev)
	DRIVER_MODULE (uhub, usbus, uhub_driver, uhub_devclass, 0, 0)
	DRIVER_MODULE (uhub, uhub, uhub_driver, uhub_devclass, NULL, 0)
	MODULE_VERSION (uhub, 1)
static void	uhub_intr_callback (struct usb_xfer *xfer, usb_error_t error)
uint8_t	uhub_count_active_host_ports (struct usb_device *udev, enum usb_dev_speed speed)
void	uhub_explore_handle_re_enumerate (struct usb_device *child)
static usb_error_t	uhub_explore_sub (struct uhub_softc *sc, struct usb_port *up)
static usb_error_t	uhub_read_port_status (struct uhub_softc *sc, uint8_t portno)
static usb_error_t	uhub_reattach_port (struct uhub_softc *sc, uint8_t portno)
static uint8_t	usb_device_20_compatible (struct usb_device *udev)
static usb_error_t	uhub_suspend_resume_port (struct uhub_softc *sc, uint8_t portno)
void	uhub_root_intr (struct usb_bus *bus, const uint8_t *ptr, uint8_t len)
static uint8_t	uhub_is_too_deep (struct usb_device *udev)
static usb_error_t	uhub_explore (struct usb_device *udev)
int	uhub_probe (device_t dev)
usb_error_t	uhub_query_info (struct usb_device *udev, uint8_t *pnports, uint8_t *ptt)
int	uhub_attach (device_t dev)
int	uhub_detach (device_t dev)
static int	uhub_suspend (device_t dev)
static int	uhub_resume (device_t dev)
static void	uhub_driver_added (device_t dev, driver_t *driver)
void	uhub_find_iface_index (struct usb_hub *hub, device_t child, struct hub_result *res)
int	uhub_child_location (device_t parent, device_t child, struct sbuf *sb)
int	uhub_get_device_path (device_t bus, device_t child, const char *locator, struct sbuf *sb)
static int	uhub_child_pnpinfo (device_t parent, device_t child, struct sbuf *sb)
static uint8_t	usb_intr_find_best_slot (usb_size_t *ptr, uint8_t start, uint8_t end, uint8_t mask)
static uint8_t	usb_hs_bandwidth_adjust (struct usb_device *udev, int16_t len, uint8_t slot, uint8_t mask)
void	usb_hs_bandwidth_alloc (struct usb_xfer *xfer)
void	usb_hs_bandwidth_free (struct usb_xfer *xfer)
uint16_t	usb_isoc_time_expand (struct usb_bus *bus, uint16_t isoc_time_curr)
struct usb_device *	usb_bus_port_get_device (struct usb_bus *bus, struct usb_port *up)
void	usb_bus_port_set_device (struct usb_bus *bus, struct usb_port *up, struct usb_device *udev, uint8_t device_index)
void	usb_needs_explore (struct usb_bus *bus, uint8_t do_probe)
void	usb_needs_explore_all (void)
static void	usb_needs_explore_init (void *arg)
	SYSINIT (usb_needs_explore_init, SI_SUB_KICK_SCHEDULER, SI_ORDER_SECOND, usb_needs_explore_init, NULL)
static usb_error_t	usbd_device_30_remote_wakeup (struct usb_device *udev, uint8_t bRequest)
static usb_error_t	usbd_clear_dev_wakeup (struct usb_device *udev)
static usb_error_t	usbd_set_dev_wakeup (struct usb_device *udev)
void	usbd_set_power_mode (struct usb_device *udev, uint8_t power_mode)
uint8_t	usbd_filter_power_mode (struct usb_device *udev, uint8_t power_mode)
void	usbd_start_re_enumerate (struct usb_device *udev)
usb_error_t	usbd_start_set_config (struct usb_device *udev, uint8_t index)

Variables
static device_suspend_t	uhub_suspend
static device_resume_t	uhub_resume
static bus_driver_added_t	uhub_driver_added
static bus_child_pnpinfo_t	uhub_child_pnpinfo
static usb_callback_t	uhub_intr_callback
static const struct usb_config	uhub_config [UHUB_N_TRANSFER]
static devclass_t	uhub_devclass
static device_method_t	uhub_methods []
driver_t	uhub_driver

Macro Definition Documentation

UHUB_IS_HIGH_SPEED

#define UHUB_IS_HIGH_SPEED

(

sc

)

(UHUB_PROTO(sc) != UDPROTO_FSHUB)

Definition at line 110 of file usb_hub.c.

UHUB_IS_MULTI_TT

#define UHUB_IS_MULTI_TT

(

sc

)

(UHUB_PROTO(sc) == UDPROTO_HSHUBMTT)

Definition at line 112 of file usb_hub.c.

UHUB_IS_SINGLE_TT

#define UHUB_IS_SINGLE_TT

(

sc

)

(UHUB_PROTO(sc) == UDPROTO_HSHUBSTT)

Definition at line 111 of file usb_hub.c.

UHUB_IS_SUPER_SPEED

#define UHUB_IS_SUPER_SPEED

(

sc

)

(UHUB_PROTO(sc) == UDPROTO_SSHUB)

Definition at line 113 of file usb_hub.c.

UHUB_PROTO

#define UHUB_PROTO

(

sc

)

((sc)->sc_udev->ddesc.bDeviceProtocol)

Definition at line 109 of file usb_hub.c.

USB_DEBUG_VAR

#define USB_DEBUG_VAR   uhub_debug

Definition at line 62 of file usb_hub.c.

Function Documentation

DRIVER_MODULE() [1/2]

DRIVER_MODULE	(	uhub	,
		uhub	,
		uhub_driver	,
		uhub_devclass	,
		NULL	,
		0
	)

DRIVER_MODULE() [2/2]

DRIVER_MODULE	(	uhub	,
		usbus	,
		uhub_driver	,
		uhub_devclass	,
		0	,
		0
	)

MODULE_VERSION()

MODULE_VERSION	(	uhub	,
		1
	)

SYSINIT()

SYSINIT	(	usb_needs_explore_init	,
		SI_SUB_KICK_SCHEDULER	,
		SI_ORDER_SECOND	,
		usb_needs_explore_init	,
		NULL
	)

uhub_attach()

int uhub_attach

(

device_t

dev

)

Definition at line 1190 of file usb_hub.c.

References usb_hub_descriptor::bNbrPorts, usb_hub_ss_descriptor::bNbrPorts, usb_hub_descriptor::bPwrOn2PwrGood, usb_hub_ss_descriptor::bPwrOn2PwrGood, usb_device::depth, dev, usb_attach_arg::device, usb_port::device_index, device_set_usb_desc(), DPRINTF, error, usb_hub::explore, usb_device::flags, usb_device::hub, usb_hub::hubsoftc, usb_hub::hubudev, usb_hub::nports, usb_device::parent_hub, usb_hub::portpower, usb_hub::ports, usb_port::restartcnt, uhub_softc::sc_dev, uhub_softc::sc_mtx, uhub_softc::sc_udev, uhub_softc::sc_xfer, usb_device_flags::self_powered, usb_device::speed, UHD_NOT_REMOV, UHD_PWRON_FACTOR, UHF_PORT_POWER, uhub_config, uhub_explore(), UHUB_INTR_TRANSFER, UHUB_IS_MULTI_TT, uhub_is_too_deep(), UHUB_N_TRANSFER, usb_extra_power_up_time, USB_MAX_PORTS, USB_MAX_POWER, USB_MIN_POWER, USB_MS_TO_TICKS, USB_MTX_LOCK, USB_MTX_UNLOCK, usb_pause_mtx(), USB_POWER_DOWN_TIME, USB_POWER_MODE_SAVE, USB_SPEED_FULL, USB_SPEED_HIGH, USB_SPEED_LOW, USB_SPEED_SUPER, usbd_errstr(), usbd_req_clear_port_feature(), usbd_req_get_hub_descriptor(), usbd_req_get_ss_hub_descriptor(), usbd_req_set_hub_depth(), usbd_req_set_port_feature(), usbd_set_alt_interface_index(), usbd_set_power_mode(), usbd_transfer_setup(), usbd_transfer_start(), and usbd_transfer_unsetup().

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uhub_child_location()

int uhub_child_location	(	device_t	parent,
		device_t	child,
		struct sbuf *	sb
	)

Definition at line 1638 of file usb_hub.c.

References usb_bus::bdev, usb_device::bus, child, usb_device::device_index, DPRINTF, usb_device::hub, hub_result::iface_index, usb_device::parent_hub, hub_result::portno, uhub_softc::sc_udev, hub_result::udev, uhub_find_iface_index(), and USB_HAVE_UGEN.

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uhub_child_pnpinfo()

static int uhub_child_pnpinfo ( device_t  parent, device_t  child, struct sbuf *  sb  )

static

Definition at line 1709 of file usb_hub.c.

References usb_device_descriptor::bcdDevice, usb_device_descriptor::bDeviceClass, usb_device_descriptor::bDeviceProtocol, usb_device_descriptor::bDeviceSubClass, usb_interface_descriptor::bInterfaceClass, usb_interface_descriptor::bInterfaceProtocol, usb_interface_descriptor::bInterfaceSubClass, child, usb_device::ddesc, DPRINTF, usb_device::flags, usb_device::hub, usb_interface::idesc, usb_device_descriptor::idProduct, usb_device_descriptor::idVendor, hub_result::iface_index, usb_interface::pnpinfo, uhub_softc::sc_udev, hub_result::udev, UGETW, uhub_find_iface_index(), usb_get_serial(), usb_device_flags::usb_mode, USB_MODE_HOST, usbd_ctrl_lock(), usbd_ctrl_unlock(), and usbd_get_iface().

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uhub_count_active_host_ports()

uint8_t uhub_count_active_host_ports	(	struct usb_device *	udev,
		enum usb_dev_speed	speed
	)

Definition at line 386 of file usb_hub.c.

References usb_device::bus, child, usb_device::hub, usb_hub::hubsoftc, usb_hub::nports, usb_hub::ports, usb_bus_port_get_device(), and USB_MODE_HOST.

Referenced by usbd_req_re_enumerate().

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uhub_detach()

int uhub_detach

(

device_t

dev

)

Definition at line 1536 of file usb_hub.c.

References usb_device::bus, bus, child, dev, usb_device::hub, usb_hub::nports, usb_hub::ports, uhub_softc::sc_mtx, uhub_softc::sc_udev, uhub_softc::sc_xfer, UHUB_N_TRANSFER, USB_BUS_LOCK, usb_bus_port_get_device(), USB_BUS_TT_PROC, USB_BUS_UNLOCK, usb_free_device(), usb_proc_mwait(), and usbd_transfer_unsetup().

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uhub_driver_added()

static void uhub_driver_added ( device_t  dev, driver_t *  driver  )

static

Definition at line 1599 of file usb_hub.c.

References usb_needs_explore_all().

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uhub_explore()

static usb_error_t uhub_explore ( struct usb_device *  udev )

static

Definition at line 995 of file usb_hub.c.

References usb_device::address, DPRINTF, usb_device::flags, usb_device::hub, usb_hub::hubsoftc, usb_hub::nports, uhub_current_state::port_change, uhub_current_state::port_status, usb_hub::ports, usb_port::restartcnt, uhub_softc::sc_flags, uhub_softc::sc_st, usb_device_flags::self_suspended, UHF_C_PORT_ENABLE, UHF_C_PORT_OVER_CURRENT, uhub_explore_sub(), UHUB_FLAG_DID_EXPLORE, uhub_is_too_deep(), uhub_read_port_status(), uhub_reattach_port(), uhub_suspend_resume_port(), UPS_C_CONNECT_STATUS, UPS_C_OVERCURRENT_INDICATOR, UPS_C_PORT_ENABLED, UPS_C_PORT_LINK_STATE, UPS_C_SUSPEND, UPS_PORT_ENABLED, USB_ERR_NORMAL_COMPLETION, USB_ERR_TOO_DEEP, USB_RESTART_MAX, usbd_enum_lock(), usbd_enum_unlock(), and usbd_req_clear_port_feature().

Referenced by uhub_attach().

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uhub_explore_handle_re_enumerate()

void uhub_explore_handle_re_enumerate

(

struct usb_device *

child

)

Definition at line 417 of file usb_hub.c.

References child, DPRINTF, UHF_PORT_ENABLE, usb_get_langid(), USB_IFACE_INDEX_ANY, USB_MODE_HOST, usb_probe_and_attach(), USB_RE_ENUM_DONE, USB_RE_ENUM_PWR_OFF, USB_RE_ENUM_SET_CONFIG, USB_RE_ENUM_START, usb_set_device_strings(), USB_UNCONFIG_INDEX, usbd_enum_lock(), usbd_enum_unlock(), usbd_errstr(), usbd_req_clear_port_feature(), usbd_req_re_enumerate(), and usbd_set_config_index().

Referenced by uhub_explore_sub(), and usb_bus_explore().

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uhub_explore_sub()

static usb_error_t uhub_explore_sub ( struct uhub_softc *  sc, struct usb_port *  up  )

static

Definition at line 510 of file usb_hub.c.

References usb_device::bus, bus, child, usb_bus::driver_added_refcount, usb_device::refcount, uhub_softc::sc_udev, uhub_explore_handle_re_enumerate(), usb_bus_port_get_device(), USB_ERR_NORMAL_COMPLETION, USB_IFACE_INDEX_ANY, USB_MODE_DEVICE, usb_probe_and_attach(), and usbd_ctrl_transfer_setup().

Referenced by uhub_explore().

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uhub_find_iface_index()

void uhub_find_iface_index	(	struct usb_hub *	hub,
		device_t	child,
		struct hub_result *	res
	)

Definition at line 1605 of file usb_hub.c.

References usb_device::bus, child, usb_device::hub, usb_hub::hubudev, hub_result::iface_index, usb_hub::nports, hub_result::portno, usb_hub::ports, usb_interface::subdev, hub_result::udev, usb_bus_port_get_device(), USB_IFACE_MAX, and usbd_get_iface().

Referenced by acpi_uhub_read_ivar(), uhub_child_location(), uhub_child_pnpinfo(), and uhub_get_device_path().

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uhub_get_device_path()

int uhub_get_device_path	(	device_t	bus,
		device_t	child,
		const char *	locator,
		struct sbuf *	sb
	)

Definition at line 1676 of file usb_hub.c.

References bus, child, usb_device::hub, hub_result::iface_index, hub_result::portno, uhub_softc::sc_udev, hub_result::udev, and uhub_find_iface_index().

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uhub_intr_callback()

static void uhub_intr_callback ( struct usb_xfer *  xfer, usb_error_t  error  )

static

Definition at line 188 of file usb_hub.c.

References usb_device::bus, usb_xfer::error, uhub_softc::sc_udev, USB_ERR_CANCELLED, USB_GET_STATE, usb_needs_explore(), USB_ST_SETUP, USB_ST_TRANSFERRED, usbd_transfer_submit(), usbd_xfer_max_len(), usbd_xfer_set_frame_len(), usbd_xfer_set_stall(), and usbd_xfer_softc().

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uhub_is_too_deep()

static uint8_t uhub_is_too_deep ( struct usb_device *  udev )

static

Definition at line 968 of file usb_hub.c.

References usb_device::depth, usb_device::speed, USB_HUB_MAX_DEPTH, USB_SPEED_FULL, USB_SPEED_HIGH, USB_SPEED_LOW, USB_SPEED_SUPER, and USB_SS_HUB_DEPTH_MAX.

Referenced by uhub_attach(), and uhub_explore().

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uhub_probe()

int uhub_probe

(

device_t

dev

)

Definition at line 1110 of file usb_hub.c.

References usbd_lookup_info::bConfigIndex, usbd_lookup_info::bDeviceClass, dev, usb_attach_arg::info, UDCLASS_HUB, usb_attach_arg::usb_mode, and USB_MODE_HOST.

uhub_query_info()

usb_error_t uhub_query_info	(	struct usb_device *	udev,
		uint8_t *	pnports,
		uint8_t *	ptt
	)

Definition at line 1130 of file usb_hub.c.

References usb_device_descriptor::bDeviceClass, usb_hub_descriptor::bNbrPorts, usb_hub_ss_descriptor::bNbrPorts, usb_device::ddesc, usb_device::speed, UDCLASS_HUB, UGETW, USB_ERR_INVAL, USB_SPEED_FULL, USB_SPEED_HIGH, USB_SPEED_LOW, USB_SPEED_SUPER, usbd_errstr(), usbd_req_get_hub_descriptor(), usbd_req_get_ss_hub_descriptor(), and usb_hub_descriptor::wHubCharacteristics.

Referenced by xhci_device_state_change().

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uhub_read_port_status()

static usb_error_t uhub_read_port_status ( struct uhub_softc *  sc, uint8_t  portno  )

static

Definition at line 560 of file usb_hub.c.

References uhub_current_state::port_change, uhub_current_state::port_status, uhub_softc::sc_st, uhub_softc::sc_udev, uhub_softc::sc_usb_port_errors, UGETW, UHUB_USB_PORT_ERRORS_MAX, USB_ERR_TIMEOUT, usbd_errstr(), usbd_req_get_port_status(), usb_port_status::wPortChange, and usb_port_status::wPortStatus.

Referenced by uhub_explore(), uhub_reattach_port(), and uhub_suspend_resume_port().

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uhub_reattach_port()

static usb_error_t uhub_reattach_port ( struct uhub_softc *  sc, uint8_t  portno  )

static

Definition at line 602 of file usb_hub.c.

References usb_device::bus, child, usb_device::depth, DPRINTF, error, usb_device::flags, usb_device::hub, usb_device::parent_hub, uhub_current_state::port_change, uhub_current_state::port_status, usb_hub::ports, uhub_softc::sc_dev, uhub_softc::sc_st, uhub_softc::sc_udev, usb_device::speed, UHF_C_PORT_CONNECTION, UHF_PORT_ENABLE, UHF_PORT_SUSPEND, uhub_read_port_status(), UPS_C_CONNECT_STATUS, UPS_CURRENT_CONNECT_STATUS, UPS_HIGH_SPEED, UPS_LOW_SPEED, UPS_OTHER_SPEED, UPS_PORT_ENABLED, UPS_PORT_MODE_DEVICE, UPS_PORT_POWER, UPS_PORT_POWER_SS, UPS_SUSPEND, usb_alloc_device(), usb_bus_port_get_device(), usb_free_device(), usb_device_flags::usb_mode, USB_MODE_DEVICE, USB_MODE_HOST, USB_MS_TO_TICKS, usb_pause_mtx(), usb_port_powerup_delay, USB_SPEED_FULL, USB_SPEED_HIGH, USB_SPEED_LOW, USB_SPEED_SUPER, usbd_errstr(), usbd_req_clear_port_feature(), usbd_req_reset_port(), usbd_req_set_hub_u1_timeout(), and usbd_req_set_hub_u2_timeout().

Referenced by uhub_explore().

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uhub_resume()

static int uhub_resume ( device_t  dev )

static

Definition at line 1591 of file usb_hub.c.

References DPRINTF.

uhub_root_intr()

void uhub_root_intr	(	struct usb_bus *	bus,
		const uint8_t *	ptr,
		uint8_t	len
	)

Definition at line 960 of file usb_hub.c.

References usb_device::bus, USB_BUS_LOCK_ASSERT, and usb_needs_explore().

Referenced by atmegadci_root_intr(), avr32dci_root_intr(), dwc_otg_root_intr(), ehci_root_intr(), musbotg_root_intr(), ohci_root_intr(), uhci_root_intr(), uss820dci_root_intr(), and xhci_root_intr().

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uhub_suspend()

static int uhub_suspend ( device_t  dev )

static

Definition at line 1583 of file usb_hub.c.

References DPRINTF.

uhub_suspend_resume_port()

static usb_error_t uhub_suspend_resume_port ( struct uhub_softc *  sc, uint8_t  portno  )

static

Definition at line 876 of file usb_hub.c.

References usb_device::bus, child, DPRINTF, usb_device::hub, uhub_current_state::port_status, usb_hub::ports, uhub_softc::sc_st, uhub_softc::sc_udev, UHF_C_PORT_LINK_STATE, UHF_C_PORT_SUSPEND, uhub_read_port_status(), UPS_PORT_LINK_STATE_GET, UPS_PORT_LS_SS_INA, UPS_PORT_LS_U3, UPS_SUSPEND, usb_bus_port_get_device(), usb_dev_resume_peer(), usb_dev_suspend_peer(), usb_device_20_compatible(), USB_MODE_DEVICE, usbd_req_clear_port_feature(), and usbd_req_warm_reset_port().

Referenced by uhub_explore().

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usb_bus_port_get_device()

struct usb_device * usb_bus_port_get_device	(	struct usb_bus *	bus,
		struct usb_port *	up
	)

Definition at line 2193 of file usb_hub.c.

References usb_device::bus, usb_port::device_index, and usb_bus::devices.

Referenced by uhub_count_active_host_ports(), uhub_detach(), uhub_explore_sub(), uhub_find_iface_index(), uhub_reattach_port(), uhub_suspend_resume_port(), and usb_dev_suspend_peer().

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usb_bus_port_set_device()

void usb_bus_port_set_device	(	struct usb_bus *	bus,
		struct usb_port *	up,
		struct usb_device *	udev,
		uint8_t	device_index
	)

Definition at line 2212 of file usb_hub.c.

References usb_device::bus, usb_device::device_index, usb_port::device_index, usb_bus::devices, and usb_ref_lock.

Referenced by usb_alloc_device(), and usb_free_device().

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usb_dev_resume_peer()

static void usb_dev_resume_peer ( struct usb_device *  udev )

static

Definition at line 2639 of file usb_hub.c.

References usb_device::bus, bus, DPRINTF, usb_device::flags, usb_power_save::last_xfer_time, usb_device::parent_hub, usb_device::port_no, usb_device::pwr_save, usb_device_flags::remote_wakeup, usb_device_flags::self_suspended, usb_power_save::type_refs, UE_BULK, UE_CONTROL, UE_INTERRUPT, UE_ISOCHRONOUS, UHF_PORT_SUSPEND, UPS_PORT_LS_U0, USB_BUS_LOCK, USB_BUS_UNLOCK, usb_dev_resume_peer(), usb_device_20_compatible(), USB_HW_POWER_BULK, USB_HW_POWER_CONTROL, USB_HW_POWER_INTERRUPT, USB_HW_POWER_ISOC, usb_device_flags::usb_mode, USB_MODE_DEVICE, USB_MS_TO_TICKS, usb_pause_mtx(), usb_peer_can_wakeup(), usb_port_resume_delay, usb_suspend_resume(), usbd_clear_dev_wakeup(), usbd_errstr(), usbd_req_clear_port_feature(), usbd_req_set_port_link_state(), usbd_sr_lock(), and usbd_sr_unlock().

Referenced by uhub_suspend_resume_port(), usb_dev_resume_peer(), and usb_dev_suspend_peer().

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usb_dev_suspend_peer()

static void usb_dev_suspend_peer ( struct usb_device *  udev )

static

Definition at line 2748 of file usb_hub.c.

References usb_device::bus, child, usb_bus_methods::device_suspend, DPRINTF, usb_device::flags, usb_device::hub, usb_bus::methods, usb_hub::nports, usb_device::parent_hub, usb_device::port_no, usb_hub::ports, usb_device_flags::self_suspended, UHF_PORT_SUSPEND, UPS_PORT_LS_U3, USB_BUS_LOCK, usb_bus_port_get_device(), USB_BUS_UNLOCK, usb_dev_resume_peer(), usb_device_20_compatible(), usb_device_flags::usb_mode, USB_MODE_DEVICE, USB_MS_TO_TICKS, usb_pause_mtx(), usb_peer_can_wakeup(), usb_peer_should_wakeup(), usb_port_resume_delay, usb_suspend_resume(), usbd_clear_dev_wakeup(), usbd_get_dma_delay(), usbd_req_clear_port_feature(), usbd_req_set_port_feature(), usbd_req_set_port_link_state(), usbd_set_dev_wakeup(), usbd_sr_lock(), and usbd_sr_unlock().

Referenced by uhub_suspend_resume_port().

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usb_device_20_compatible()

static uint8_t usb_device_20_compatible ( struct usb_device *  udev )

static

Definition at line 854 of file usb_hub.c.

References usb_device::speed, USB_SPEED_FULL, USB_SPEED_HIGH, and USB_SPEED_LOW.

Referenced by uhub_suspend_resume_port(), usb_dev_resume_peer(), usb_dev_suspend_peer(), usbd_clear_dev_wakeup(), and usbd_set_dev_wakeup().

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usb_hs_bandwidth_adjust()

static uint8_t usb_hs_bandwidth_adjust ( struct usb_device *  udev, int16_t  len, uint8_t  slot, uint8_t  mask  )

static

Definition at line 1850 of file usb_hub.c.

References usb_device::bus, bus, usb_device::hub, len, usb_device::parent_hs_hub, slot, usb_hub::uframe_usage, USB_BUS_LOCK_ASSERT, USB_FS_ISOC_UFRAME_MAX, USB_HS_MICRO_FRAMES_MAX, usb_intr_find_best_slot(), USB_SPEED_FULL, USB_SPEED_LOW, and usbd_get_speed().

Referenced by usb_hs_bandwidth_alloc(), and usb_hs_bandwidth_free().

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usb_hs_bandwidth_alloc()

void usb_hs_bandwidth_alloc

(

struct usb_xfer *

xfer

)

Definition at line 1908 of file usb_hub.c.

References usb_endpoint_descriptor::bmAttributes, usb_endpoint::edesc, usb_xfer::endpoint, usb_device::flags, usb_xfer::max_frame_size, usb_endpoint::refcount_bw, slot, usb_device::speed, usb_xfer_root::udev, UE_INTERRUPT, UE_ISOCHRONOUS, UE_XFERTYPE, usb_endpoint::usb_cmask, usb_hs_bandwidth_adjust(), USB_HS_MICRO_FRAMES_MAX, usb_device_flags::usb_mode, USB_MODE_HOST, usb_endpoint::usb_smask, USB_SPEED_FULL, USB_SPEED_LOW, usb_endpoint::usb_uframe, usbd_get_speed(), usbd_xfer_get_fps_shift(), and usb_xfer::xroot.

Referenced by ehci_device_intr_open(), and ehci_device_isoc_hs_open().

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usb_hs_bandwidth_free()

void usb_hs_bandwidth_free

(

struct usb_xfer *

xfer

)

Definition at line 1989 of file usb_hub.c.

References usb_endpoint_descriptor::bmAttributes, usb_endpoint::edesc, usb_xfer::endpoint, usb_device::flags, usb_xfer::max_frame_size, usb_endpoint::refcount_bw, slot, usb_xfer_root::udev, UE_INTERRUPT, UE_ISOCHRONOUS, UE_XFERTYPE, usb_endpoint::usb_cmask, usb_hs_bandwidth_adjust(), usb_device_flags::usb_mode, USB_MODE_HOST, usb_endpoint::usb_smask, usb_endpoint::usb_uframe, and usb_xfer::xroot.

Referenced by ehci_device_intr_close(), and ehci_device_isoc_hs_close().

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usb_intr_find_best_slot()

static uint8_t usb_intr_find_best_slot ( usb_size_t *  ptr, uint8_t  start, uint8_t  end, uint8_t  mask  )

static

Definition at line 1802 of file usb_hub.c.

References start.

Referenced by usb_hs_bandwidth_adjust().

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usb_isoc_time_expand()

uint16_t usb_isoc_time_expand	(	struct usb_bus *	bus,
		uint16_t	isoc_time_curr
	)

Definition at line 2037 of file usb_hub.c.

References usb_device::bus, usb_bus::isoc_time_last, USB_BUS_LOCK_ASSERT, and USB_ISOC_TIME_MAX.

Referenced by usbd_xfer_get_isochronous_start_frame().

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usb_needs_explore()

void usb_needs_explore	(	struct usb_bus *	bus,
		uint8_t	do_probe
	)

Definition at line 2255 of file usb_hub.c.

References usb_device::bus, usb_bus::bus_mtx, usb_bus::devices, usb_bus::do_probe, DPRINTF, usb_bus::explore_msg, USB_BUS_LOCK, USB_BUS_UNLOCK, usb_proc_msignal(), and USB_ROOT_HUB_ADDR.

Referenced by uhub_intr_callback(), uhub_root_intr(), usb_attach_sub(), usb_handle_request_callback(), usb_needs_explore_all(), usbd_set_power_mode(), usbd_start_re_enumerate(), and usbd_start_set_config().

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usb_needs_explore_all()

void usb_needs_explore_all

(

void

)

Definition at line 2300 of file usb_hub.c.

References bus, dev, usb_devclass_ptr, and usb_needs_explore().

Referenced by uhub_driver_added(), and usb_needs_explore_init().

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usb_needs_explore_init()

static void usb_needs_explore_init ( void *  arg )

static

Definition at line 2337 of file usb_hub.c.

References usb_needs_explore_all().

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usb_peer_should_wakeup()

static uint8_t usb_peer_should_wakeup ( struct usb_device *  udev )

static

Definition at line 2453 of file usb_hub.c.

References usb_device::bus, usb_bus::driver_added_refcount, usb_device::driver_added_refcount, usb_device::flags, usb_device::power_mode, usb_device::pwr_save, usb_device::re_enumerate_wait, usb_power_save::read_refs, usb_power_save::type_refs, UE_ISOCHRONOUS, usb_device_flags::usb_mode, USB_MODE_HOST, usb_peer_can_wakeup(), USB_POWER_MODE_ON, USB_RE_ENUM_DONE, and usb_power_save::write_refs.

Referenced by usb_dev_suspend_peer().

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usbd_clear_dev_wakeup()

static usb_error_t usbd_clear_dev_wakeup ( struct usb_device *  udev )

static

Definition at line 2603 of file usb_hub.c.

References UF_DEVICE_REMOTE_WAKEUP, UR_CLEAR_FEATURE, usb_device_20_compatible(), usbd_device_30_remote_wakeup(), and usbd_req_clear_device_feature().

Referenced by usb_dev_resume_peer(), and usb_dev_suspend_peer().

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usbd_device_30_remote_wakeup()

static usb_error_t usbd_device_30_remote_wakeup ( struct usb_device *  udev, uint8_t  bRequest  )

static

Definition at line 2589 of file usb_hub.c.

References usb_device_request::bRequest, req, USB_INTERFACE_FUNC_SUSPEND, USB_INTERFACE_FUNC_SUSPEND_LP, USB_INTERFACE_FUNC_SUSPEND_RW, usbd_do_request, USETW, and UT_WRITE_INTERFACE.

Referenced by usbd_clear_dev_wakeup(), and usbd_set_dev_wakeup().

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usbd_filter_power_mode()

uint8_t usbd_filter_power_mode	(	struct usb_device *	udev,
		uint8_t	power_mode
	)

Definition at line 2920 of file usb_hub.c.

References usb_device::bus, usb_bus_methods::get_power_mode, and usb_bus::methods.

Referenced by usb_alloc_device(), and usbd_set_power_mode().

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usbd_set_dev_wakeup()

static usb_error_t usbd_set_dev_wakeup ( struct usb_device *  udev )

static

Definition at line 2618 of file usb_hub.c.

References UF_DEVICE_REMOTE_WAKEUP, UR_SET_FEATURE, usb_device_20_compatible(), usbd_device_30_remote_wakeup(), and usbd_req_set_device_feature().

Referenced by usb_dev_suspend_peer().

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usbd_set_power_mode()

void usbd_set_power_mode	(	struct usb_device *	udev,
		uint8_t	power_mode
	)

Definition at line 2896 of file usb_hub.c.

References usb_device::bus, usb_device::power_mode, usb_bus_power_update(), usb_needs_explore(), USB_POWER_MODE_OFF, USB_POWER_MODE_ON, USB_POWER_MODE_SAVE, and usbd_filter_power_mode().

Referenced by cfumass_attach(), uhub_attach(), usie_attach(), and ustorage_fs_attach().

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usbd_start_re_enumerate()

void usbd_start_re_enumerate

(

struct usb_device *

udev

)

Definition at line 2947 of file usb_hub.c.

References usb_device::bus, usb_device::re_enumerate_wait, usb_needs_explore(), USB_RE_ENUM_DONE, and USB_RE_ENUM_START.

Referenced by usb_do_clear_stall_callback().

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usbd_start_set_config()

usb_error_t usbd_start_set_config	(	struct usb_device *	udev,
		uint8_t	index
	)

Definition at line 2963 of file usb_hub.c.

References usb_device::bus, usb_device::curr_config_index, index, usb_device::next_config_index, usb_device::re_enumerate_wait, USB_ERR_PENDING_REQUESTS, usb_needs_explore(), USB_RE_ENUM_DONE, and USB_RE_ENUM_SET_CONFIG.

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Variable Documentation

uhub_child_pnpinfo

bus_child_pnpinfo_t uhub_child_pnpinfo

static

Definition at line 121 of file usb_hub.c.

uhub_config

const struct usb_config uhub_config[UHUB_N_TRANSFER]

static

Initial value:

= {
        [UHUB_INTR_TRANSFER] = {
                .type = UE_INTERRUPT,
                .endpoint = UE_ADDR_ANY,
                .direction = UE_DIR_ANY,
                .timeout = 0,
                .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
                .bufsize = 0,   
                .callback = &uhub_intr_callback,
                .interval = UHUB_INTR_INTERVAL,
        },
 
 
 
 
 
 
 
 
 
 
 
}

Definition at line 132 of file usb_hub.c.

Referenced by uhub_attach().

uhub_devclass

devclass_t uhub_devclass

static

Definition at line 160 of file usb_hub.c.

uhub_driver

driver_t uhub_driver

Initial value:

= {
        .name = "uhub",
        .methods = uhub_methods,
        .size = sizeof(struct uhub_softc)
}

Definition at line 177 of file usb_hub.c.

uhub_driver_added

bus_driver_added_t uhub_driver_added

static

Definition at line 120 of file usb_hub.c.

uhub_intr_callback

usb_callback_t uhub_intr_callback

static

Definition at line 123 of file usb_hub.c.

uhub_methods

device_method_t uhub_methods[]

static

Initial value:

= {
        DEVMETHOD(device_probe, uhub_probe),
        DEVMETHOD(device_attach, uhub_attach),
        DEVMETHOD(device_detach, uhub_detach),
 
        DEVMETHOD(device_suspend, uhub_suspend),
        DEVMETHOD(device_resume, uhub_resume),
 
        DEVMETHOD(bus_child_location, uhub_child_location),
        DEVMETHOD(bus_child_pnpinfo, uhub_child_pnpinfo),
        DEVMETHOD(bus_get_device_path, uhub_get_device_path),
        DEVMETHOD(bus_driver_added, uhub_driver_added),
        DEVMETHOD_END
}

Definition at line 162 of file usb_hub.c.

uhub_resume

device_resume_t uhub_resume

static

Definition at line 118 of file usb_hub.c.

uhub_suspend

device_suspend_t uhub_suspend

static

Definition at line 117 of file usb_hub.c.