4  * xHCI host controller sideband support
11 #include <linux/usb/xhci-sideband.h>
14 #include "xhci.h"
28 	dev = xhci_to_hcd(sb->xhci)->self.sysdev;  in xhci_ring_to_sgtable()
86 	xhci_stop_endpoint_sync(sb->xhci, ep, 0, GFP_KERNEL);  in __xhci_sideband_remove_endpoint()
103 	xhci_remove_secondary_interrupter(xhci_to_hcd(sb->xhci), sb->ir);  in __xhci_sideband_remove_interrupter()
118  * Notifies the xHCI sideband client driver of a xHCI transfer ring free
169 	 * smaller than for xhci it won't be able to access the endpoint ring  in xhci_sideband_add_endpoint()
232 	return xhci_stop_endpoint_sync(sb->xhci, ep, 0, GFP_KERNEL);  in xhci_sideband_stop_endpoint()
270  * If a secondary xhci interupter is set up for this usb device then this
319  * Sets up a xhci interrupter that can be used for this sideband accessed usb
335 	if (!sb || !sb->xhci)  in xhci_sideband_create_interrupter()
346 	sb->ir = xhci_create_secondary_interrupter(xhci_to_hcd(sb->xhci),  in xhci_sideband_create_interrupter()
384  * If a secondary xhci interrupter is set up for this usb device then this
406  * Allows for clients to utilize XHCI interrupters and fetch transfer and event
418 	struct xhci_hcd *xhci = hcd_to_xhci(hcd);  in xhci_sideband_register()  local
423 	 * Make sure the usb device is connected to a xhci controller.  Fail  in xhci_sideband_register()
425 	 * as this is the only type that is currently supported by xhci-sideband.  in xhci_sideband_register()
437 	spin_lock_irq(&xhci->lock);  in xhci_sideband_register()
439 	vdev = xhci->devs[udev->slot_id];  in xhci_sideband_register()
442 		xhci_warn(xhci, "XHCI sideband for slot %d already in use\n",  in xhci_sideband_register()
444 		spin_unlock_irq(&xhci->lock);  in xhci_sideband_register()
449 	sb->xhci = xhci;  in xhci_sideband_register()
456 	spin_unlock_irq(&xhci->lock);  in xhci_sideband_register()
469  * be accessed via sideband. The xhci driver can now take over handling
476 	struct xhci_hcd *xhci;  in xhci_sideband_unregister()  local
482 	xhci = sb->xhci;  in xhci_sideband_unregister()
498 	spin_lock_irq(&xhci->lock);  in xhci_sideband_unregister()
499 	sb->xhci = NULL;  in xhci_sideband_unregister()
501 	spin_unlock_irq(&xhci->lock);  in xhci_sideband_unregister()
506 MODULE_DESCRIPTION("xHCI sideband driver for secondary interrupter management");