18 xhci_ring_to_sgtable(struct xhci_sideband *sb, struct xhci_ring *ring)  in xhci_ring_to_sgtable()  argument
28 	dev = xhci_to_hcd(sb->xhci)->self.sysdev;  in xhci_ring_to_sgtable()
76 /* Caller must hold sb->mutex */
78 __xhci_sideband_remove_endpoint(struct xhci_sideband *sb, struct xhci_virt_ep *ep)  in __xhci_sideband_remove_endpoint()  argument
80 	lockdep_assert_held(&sb->mutex);  in __xhci_sideband_remove_endpoint()
86 	xhci_stop_endpoint_sync(sb->xhci, ep, 0, GFP_KERNEL);  in __xhci_sideband_remove_endpoint()
89 	sb->eps[ep->ep_index] = NULL;  in __xhci_sideband_remove_endpoint()
92 /* Caller must hold sb->mutex */
94 __xhci_sideband_remove_interrupter(struct xhci_sideband *sb)  in __xhci_sideband_remove_interrupter()  argument
98 	lockdep_assert_held(&sb->mutex);  in __xhci_sideband_remove_interrupter()
100 	if (!sb->ir)  in __xhci_sideband_remove_interrupter()
103 	xhci_remove_secondary_interrupter(xhci_to_hcd(sb->xhci), sb->ir);  in __xhci_sideband_remove_interrupter()
104 	sb->ir = NULL;  in __xhci_sideband_remove_interrupter()
105 	udev = sb->vdev->udev;  in __xhci_sideband_remove_interrupter()
115  * @sb: sideband instance for this usb device
124 void xhci_sideband_notify_ep_ring_free(struct xhci_sideband *sb,  in xhci_sideband_notify_ep_ring_free()  argument
132 	if (sb->notify_client)  in xhci_sideband_notify_ep_ring_free()
133 		sb->notify_client(sb->intf, &evt);  in xhci_sideband_notify_ep_ring_free()
139  * @sb: sideband instance for this usb device
150 xhci_sideband_add_endpoint(struct xhci_sideband *sb,  in xhci_sideband_add_endpoint()  argument
156 	guard(mutex)(&sb->mutex);  in xhci_sideband_add_endpoint()
158 	if (!sb->vdev)  in xhci_sideband_add_endpoint()
162 	ep = &sb->vdev->eps[ep_index];  in xhci_sideband_add_endpoint()
175 	if (sb->eps[ep_index] || ep->sideband)  in xhci_sideband_add_endpoint()
178 	ep->sideband = sb;  in xhci_sideband_add_endpoint()
179 	sb->eps[ep_index] = ep;  in xhci_sideband_add_endpoint()
187  * @sb: sideband instance for this usb device
198 xhci_sideband_remove_endpoint(struct xhci_sideband *sb,  in xhci_sideband_remove_endpoint()  argument
204 	guard(mutex)(&sb->mutex);  in xhci_sideband_remove_endpoint()
207 	ep = sb->eps[ep_index];  in xhci_sideband_remove_endpoint()
209 	if (!ep || !ep->sideband || ep->sideband != sb)  in xhci_sideband_remove_endpoint()
212 	__xhci_sideband_remove_endpoint(sb, ep);  in xhci_sideband_remove_endpoint()
220 xhci_sideband_stop_endpoint(struct xhci_sideband *sb,  in xhci_sideband_stop_endpoint()  argument
227 	ep = sb->eps[ep_index];  in xhci_sideband_stop_endpoint()
229 	if (!ep || !ep->sideband || ep->sideband != sb)  in xhci_sideband_stop_endpoint()
232 	return xhci_stop_endpoint_sync(sb->xhci, ep, 0, GFP_KERNEL);  in xhci_sideband_stop_endpoint()
238  * @sb: sideband instance for this usb device
250 xhci_sideband_get_endpoint_buffer(struct xhci_sideband *sb,  in xhci_sideband_get_endpoint_buffer()  argument
257 	ep = sb->eps[ep_index];  in xhci_sideband_get_endpoint_buffer()
259 	if (!ep || !ep->ring || !ep->sideband || ep->sideband != sb)  in xhci_sideband_get_endpoint_buffer()
262 	return xhci_ring_to_sgtable(sb, ep->ring);  in xhci_sideband_get_endpoint_buffer()
268  * @sb: sideband instance for this usb device
279 xhci_sideband_get_event_buffer(struct xhci_sideband *sb)  in xhci_sideband_get_event_buffer()  argument
281 	if (!sb || !sb->ir)  in xhci_sideband_get_event_buffer()
284 	return xhci_ring_to_sgtable(sb, sb->ir->event_ring);  in xhci_sideband_get_event_buffer()
315  * @sb: sideband instance for this usb device
329 xhci_sideband_create_interrupter(struct xhci_sideband *sb, int num_seg,  in xhci_sideband_create_interrupter()  argument
335 	if (!sb || !sb->xhci)  in xhci_sideband_create_interrupter()
338 	guard(mutex)(&sb->mutex);  in xhci_sideband_create_interrupter()
340 	if (!sb->vdev)  in xhci_sideband_create_interrupter()
343 	if (sb->ir)  in xhci_sideband_create_interrupter()
346 	sb->ir = xhci_create_secondary_interrupter(xhci_to_hcd(sb->xhci),  in xhci_sideband_create_interrupter()
349 	if (!sb->ir)  in xhci_sideband_create_interrupter()
352 	udev = sb->vdev->udev;  in xhci_sideband_create_interrupter()
355 	sb->ir->ip_autoclear = ip_autoclear;  in xhci_sideband_create_interrupter()
363  * @sb: sideband instance for this usb device
369 xhci_sideband_remove_interrupter(struct xhci_sideband *sb)  in xhci_sideband_remove_interrupter()  argument
371 	if (!sb)  in xhci_sideband_remove_interrupter()
374 	guard(mutex)(&sb->mutex);  in xhci_sideband_remove_interrupter()
376 	__xhci_sideband_remove_interrupter(sb);  in xhci_sideband_remove_interrupter()
382  * @sb: sideband instance for this usb device
393 xhci_sideband_interrupter_id(struct xhci_sideband *sb)  in xhci_sideband_interrupter_id()  argument
395 	if (!sb || !sb->ir)  in xhci_sideband_interrupter_id()
398 	return sb->ir->intr_num;  in xhci_sideband_interrupter_id()
420 	struct xhci_sideband *sb;  in xhci_sideband_register()  local
430 	sb = kzalloc_node(sizeof(*sb), GFP_KERNEL, dev_to_node(hcd->self.sysdev));  in xhci_sideband_register()
431 	if (!sb)  in xhci_sideband_register()
434 	mutex_init(&sb->mutex);  in xhci_sideband_register()
445 		kfree(sb);  in xhci_sideband_register()
449 	sb->xhci = xhci;  in xhci_sideband_register()
450 	sb->vdev = vdev;  in xhci_sideband_register()
451 	sb->intf = intf;  in xhci_sideband_register()
452 	sb->type = type;  in xhci_sideband_register()
453 	sb->notify_client = notify_client;  in xhci_sideband_register()
454 	vdev->sideband = sb;  in xhci_sideband_register()
458 	return sb;  in xhci_sideband_register()
464  * @sb: sideband instance to be unregistered
473 xhci_sideband_unregister(struct xhci_sideband *sb)  in xhci_sideband_unregister()  argument
479 	if (!sb)  in xhci_sideband_unregister()
482 	xhci = sb->xhci;  in xhci_sideband_unregister()
484 	scoped_guard(mutex, &sb->mutex) {  in xhci_sideband_unregister()
485 		vdev = sb->vdev;  in xhci_sideband_unregister()
490 			if (sb->eps[i])  in xhci_sideband_unregister()
491 				__xhci_sideband_remove_endpoint(sb, sb->eps[i]);  in xhci_sideband_unregister()
493 		__xhci_sideband_remove_interrupter(sb);  in xhci_sideband_unregister()
495 		sb->vdev = NULL;  in xhci_sideband_unregister()
499 	sb->xhci = NULL;  in xhci_sideband_unregister()
503 	kfree(sb);  in xhci_sideband_unregister()