| #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 |