#include <linux/pci.h>
#include <linux/usb.h>
#include <linux/usb/ehci_def.h>
#include <linux/usb/hcd.h>
#include <asm/xen/hypercall.h>
#include <xen/interface/physdev.h>
#include <xen/xen.h>

static int xen_dbgp_op(struct usb_hcd *hcd, int op)
{
#ifdef CONFIG_PCI
	const struct device *ctrlr = hcd_to_bus(hcd)->controller;
#endif
	struct physdev_dbgp_op dbgp;

	if (!xen_initial_domain())
		return 0;

	dbgp.op = op;

#ifdef CONFIG_PCI
	if (dev_is_pci(ctrlr)) {
		const struct pci_dev *pdev = to_pci_dev(ctrlr);

		dbgp.u.pci.seg = pci_domain_nr(pdev->bus);
		dbgp.u.pci.bus = pdev->bus->number;
		dbgp.u.pci.devfn = pdev->devfn;
		dbgp.bus = PHYSDEVOP_DBGP_BUS_PCI;
	} else
#endif
		dbgp.bus = PHYSDEVOP_DBGP_BUS_UNKNOWN;

	return HYPERVISOR_physdev_op(PHYSDEVOP_dbgp_op, &dbgp);
}

int xen_dbgp_reset_prep(struct usb_hcd *hcd)
{
	return xen_dbgp_op(hcd, PHYSDEVOP_DBGP_RESET_PREPARE);
}

int xen_dbgp_external_startup(struct usb_hcd *hcd)
{
	return xen_dbgp_op(hcd, PHYSDEVOP_DBGP_RESET_DONE);
}

#ifndef CONFIG_EARLY_PRINTK_DBGP
#include <linux/export.h>
EXPORT_SYMBOL_GPL(xen_dbgp_reset_prep);
EXPORT_SYMBOL_GPL(xen_dbgp_external_startup);
#endif
>master</option>
<option value='nds-private-remove' selected='selected'>nds-private-remove</option>
<option value='packet-loop-back'>packet-loop-back</option>
<option value='packet-rx-pump-back'>packet-rx-pump-back</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/linux/net-next.git/?h=nds-private-remove'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?h=nds-private-remove&amp;id=14a179f8e2735b51cb86c36dd95e8524b8419820'>refs</a><a class='active' href='/cgit.cgi/linux/net-next.git/log/tools/perf/Documentation/manpage-base.xsl?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/tools/perf/Documentation/manpage-base.xsl?h=nds-private-remove&amp;id=14a179f8e2735b51cb86c36dd95e8524b8419820'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/tools/perf/Documentation/manpage-base.xsl?h=nds-private-remove&amp;id=14a179f8e2735b51cb86c36dd95e8524b8419820'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/tools/perf/Documentation/manpage-base.xsl?h=nds-private-remove&amp;id=14a179f8e2735b51cb86c36dd95e8524b8419820'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/tools/perf/Documentation/manpage-base.xsl'>
<input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='14a179f8e2735b51cb86c36dd95e8524b8419820'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&amp;id=14a179f8e2735b51cb86c36dd95e8524b8419820'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools?h=nds-private-remove&amp;id=14a179f8e2735b51cb86c36dd95e8524b8419820'>tools</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/perf?h=nds-private-remove&amp;id=14a179f8e2735b51cb86c36dd95e8524b8419820'>perf</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/perf/Documentation?h=nds-private-remove&amp;id=14a179f8e2735b51cb86c36dd95e8524b8419820'>Documentation</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/perf/Documentation/manpage-base.xsl?h=nds-private-remove&amp;id=14a179f8e2735b51cb86c36dd95e8524b8419820'>manpage-base.xsl</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/tools/perf/Documentation/manpage-base.xsl?h=nds-private-remove&amp;id=14a179f8e2735b51cb86c36dd95e8524b8419820&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>