/usr/src/ndiswrapper-1.59/pnp.c is in ndiswrapper-dkms 1.59-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2005 Giridhar Pemmasani
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include "usb.h"
#include "pnp.h"
#include "wrapndis.h"
#include "loader.h"
/* Functions callable from the NDIS driver */
wstdcall NTSTATUS pdoDispatchDeviceControl(struct device_object *pdo,
struct irp *irp);
wstdcall NTSTATUS pdoDispatchPnp(struct device_object *pdo, struct irp *irp);
wstdcall NTSTATUS pdoDispatchPower(struct device_object *pdo, struct irp *irp);
static NTSTATUS start_pdo(struct device_object *pdo)
{
int i, ret, count, resources_size;
struct wrap_device *wd;
struct pci_dev *pdev;
struct cm_partial_resource_descriptor *entry;
struct cm_partial_resource_list *partial_resource_list;
ENTER1("%p, %p", pdo, pdo->reserved);
wd = pdo->reserved;
if (ntoskernel_init_device(wd))
EXIT1(return STATUS_FAILURE);
if (wrap_is_usb_bus(wd->dev_bus)) {
if (usb_init_device(wd)) {
ntoskernel_exit_device(wd);
EXIT1(return STATUS_FAILURE);
}
EXIT1(return STATUS_SUCCESS);
}
if (!wrap_is_pci_bus(wd->dev_bus))
EXIT1(return STATUS_SUCCESS);
pdev = wd->pci.pdev;
ret = pci_enable_device(pdev);
if (ret) {
ERROR("couldn't enable PCI device: %x", ret);
return STATUS_FAILURE;
}
ret = pci_request_regions(pdev, DRIVER_NAME);
if (ret) {
ERROR("couldn't request PCI regions: %x", ret);
goto err_enable;
}
pci_set_power_state(pdev, PCI_D0);
#ifdef CONFIG_X86_64
/* 64-bit broadcom driver doesn't work if DMA is allocated
* from over 1GB */
if (wd->vendor == 0x14e4) {
if (pci_set_dma_mask(pdev, DMA_BIT_MASK(30)) ||
pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(30)))
WARNING("couldn't set DMA mask; this driver "
"may not work with more than 1GB RAM");
}
#endif
/* IRQ resource entry is filled in from pdev, instead of
* pci_resource macros */
for (i = count = 0; pci_resource_start(pdev, i); i++)
if ((pci_resource_flags(pdev, i) & IORESOURCE_MEM) ||
(pci_resource_flags(pdev, i) & IORESOURCE_IO))
count++;
/* space for entry for IRQ is already in
* cm_partial_resource_list */
resources_size = sizeof(struct cm_resource_list) +
sizeof(struct cm_partial_resource_descriptor) * count;
TRACE2("resources: %d, %d", count, resources_size);
wd->resource_list = kzalloc(resources_size, GFP_KERNEL);
if (!wd->resource_list) {
WARNING("couldn't allocate memory");
goto err_regions;
}
wd->resource_list->count = 1;
wd->resource_list->list[0].interface_type = PCIBus;
/* bus_number is not used by WDM drivers */
wd->resource_list->list[0].bus_number = pdev->bus->number;
partial_resource_list =
&wd->resource_list->list->partial_resource_list;
partial_resource_list->version = 1;
partial_resource_list->revision = 1;
partial_resource_list->count = count + 1;
for (i = count = 0; pci_resource_start(pdev, i); i++) {
entry = &partial_resource_list->partial_descriptors[count];
TRACE2("%d", count);
if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) {
entry->type = CmResourceTypeMemory;
entry->flags = CM_RESOURCE_MEMORY_READ_WRITE;
entry->share = CmResourceShareDeviceExclusive;
} else if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
entry->type = CmResourceTypePort;
entry->flags = CM_RESOURCE_PORT_IO;
entry->share = CmResourceShareDeviceExclusive;
#if 0
} else if (pci_resource_flags(pdev, i) & IORESOURCE_DMA) {
/* it looks like no driver uses this resource */
typeof(pci_resource_flags(pdev, 0)) flags;
entry->type = CmResourceTypeDma;
flags = pci_resource_flags(pdev, i);
if (flags & IORESOURCE_DMA_TYPEA)
entry->flags |= CM_RESOURCE_DMA_TYPE_A;
else if (flags & IORESOURCE_DMA_TYPEB)
entry->flags |= CM_RESOURCE_DMA_TYPE_B;
else if (flags & IORESOURCE_DMA_TYPEF)
entry->flags |= CM_RESOURCE_DMA_TYPE_F;
if (flags & IORESOURCE_DMA_8BIT)
entry->flags |= CM_RESOURCE_DMA_8;
else if (flags & IORESOURCE_DMA_16BIT)
entry->flags |= CM_RESOURCE_DMA_16;
/* what about 32bit DMA? */
else if (flags & IORESOURCE_DMA_8AND16BIT)
entry->flags |= CM_RESOURCE_DMA_8_AND_16;
if (flags & IORESOURCE_DMA_MASTER)
entry->flags |= CM_RESOURCE_DMA_BUS_MASTER;
entry->u.dma.channel = pci_resource_start(pdev, i);
/* what should this be? */
entry->u.dma.port = 1;
#endif
} else
continue;
/* TODO: Add other resource types? */
entry->u.generic.start =
(ULONG_PTR)pci_resource_start(pdev, i);
entry->u.generic.length = pci_resource_len(pdev, i);
count++;
}
/* put IRQ resource at the end */
entry = &partial_resource_list->partial_descriptors[count++];
entry->type = CmResourceTypeInterrupt;
entry->flags = CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE;
/* we assume all devices use shared IRQ */
entry->share = CmResourceShareShared;
/* as per documentation, interrupt level should be DIRQL, but
* examples from DDK as well some drivers, such as AR5211,
* RT8180L use interrupt level as interrupt vector also in
* NdisMRegisterInterrupt */
entry->u.interrupt.level = pdev->irq;
entry->u.interrupt.vector = pdev->irq;
entry->u.interrupt.affinity = -1;
TRACE2("resource list count %d, irq: %d",
partial_resource_list->count, pdev->irq);
pci_set_drvdata(pdev, wd);
EXIT1(return STATUS_SUCCESS);
err_regions:
pci_release_regions(pdev);
err_enable:
pci_disable_device(pdev);
wd->pci.pdev = NULL;
wd->pdo = NULL;
EXIT1(return STATUS_FAILURE);
}
static void remove_pdo(struct device_object *pdo)
{
struct wrap_device *wd = pdo->reserved;
ntoskernel_exit_device(wd);
if (wrap_is_pci_bus(wd->dev_bus)) {
struct pci_dev *pdev = wd->pci.pdev;
pci_release_regions(pdev);
pci_disable_device(pdev);
wd->pci.pdev = NULL;
pci_set_drvdata(pdev, NULL);
} else if (wrap_is_usb_bus(wd->dev_bus)) {
usb_exit_device(wd);
}
kfree(wd->resource_list);
wd->resource_list = NULL;
return;
}
static NTSTATUS IoSendIrpTopDev(struct device_object *dev_obj, ULONG major_fn,
ULONG minor_fn, struct io_stack_location *sl)
{
NTSTATUS status;
struct nt_event event;
struct irp *irp;
struct io_stack_location *irp_sl;
struct device_object *top_dev = IoGetAttachedDeviceReference(dev_obj);
KeInitializeEvent(&event, NotificationEvent, FALSE);
irp = IoBuildSynchronousFsdRequest(IRP_MJ_PNP, top_dev, NULL, 0, NULL,
&event, NULL);
irp->io_status.status = STATUS_NOT_IMPLEMENTED;
irp->io_status.info = 0;
irp_sl = IoGetNextIrpStackLocation(irp);
if (sl)
memcpy(irp_sl, sl, sizeof(*irp_sl));
irp_sl->major_fn = major_fn;
irp_sl->minor_fn = minor_fn;
status = IoCallDriver(top_dev, irp);
if (status == STATUS_PENDING) {
KeWaitForSingleObject(&event, Executive, KernelMode,
FALSE, NULL);
status = irp->io_status.status;
}
ObDereferenceObject(top_dev);
return status;
}
wstdcall NTSTATUS pdoDispatchDeviceControl(struct device_object *pdo,
struct irp *irp)
{
NTSTATUS status;
struct wrap_device *wd = pdo->reserved;
DUMP_IRP(irp);
(void)wd;
if (wrap_is_usb_bus(wd->dev_bus)) {
status = wrap_submit_irp(pdo, irp);
IOTRACE("status: %08X", status);
if (status != STATUS_PENDING)
IoCompleteRequest(irp, IO_NO_INCREMENT);
} else {
status = irp->io_status.status = STATUS_NOT_IMPLEMENTED;
IoCompleteRequest(irp, IO_NO_INCREMENT);
}
IOEXIT(return status);
}
WIN_FUNC_DECL(pdoDispatchDeviceControl,2)
wstdcall NTSTATUS pdoDispatchPnp(struct device_object *pdo, struct irp *irp)
{
struct io_stack_location *irp_sl;
NTSTATUS status;
struct wrap_device *wd = pdo->reserved;
irp_sl = IoGetCurrentIrpStackLocation(irp);
TRACE2("%p %d:%d", pdo, irp_sl->major_fn, irp_sl->minor_fn);
switch (irp_sl->minor_fn) {
case IRP_MN_START_DEVICE:
status = start_pdo(pdo);
break;
case IRP_MN_QUERY_STOP_DEVICE:
case IRP_MN_STOP_DEVICE:
case IRP_MN_QUERY_REMOVE_DEVICE:
status = STATUS_SUCCESS;
break;
case IRP_MN_REMOVE_DEVICE:
remove_pdo(pdo);
status = STATUS_SUCCESS;
break;
case IRP_MN_QUERY_INTERFACE:
if (wrap_is_usb_bus(wd->dev_bus))
status = usb_query_interface(wd, irp_sl);
else
status = STATUS_NOT_IMPLEMENTED;
break;
default:
TRACE2("fn %d not implemented", irp_sl->minor_fn);
status = STATUS_SUCCESS;
break;
}
irp->io_status.status = status;
TRACE2("status: %08X", status);
IoCompleteRequest(irp, IO_NO_INCREMENT);
IOEXIT(return status);
}
WIN_FUNC_DECL(pdoDispatchPnp,2)
wstdcall NTSTATUS pdoDispatchPower(struct device_object *pdo, struct irp *irp)
{
struct io_stack_location *irp_sl;
struct wrap_device *wd;
union power_state power_state;
struct pci_dev *pdev;
NTSTATUS status;
irp_sl = IoGetCurrentIrpStackLocation(irp);
wd = pdo->reserved;
TRACE2("pdo: %p, fn: %d:%d, wd: %p",
pdo, irp_sl->major_fn, irp_sl->minor_fn, wd);
switch (irp_sl->minor_fn) {
case IRP_MN_WAIT_WAKE:
/* TODO: this is not complete/correct */
TRACE2("state: %d, completion: %p",
irp_sl->params.power.state.system_state,
irp_sl->completion_routine);
IoMarkIrpPending(irp);
status = STATUS_PENDING;
break;
case IRP_MN_SET_POWER:
power_state = irp_sl->params.power.state;
if (power_state.device_state == PowerDeviceD0) {
TRACE2("resuming %p", wd);
if (wrap_is_pci_bus(wd->dev_bus)) {
pdev = wd->pci.pdev;
pci_restore_state(pdev);
if (wd->pci.wake_state == PowerDeviceD3) {
pci_enable_wake(wd->pci.pdev,
PCI_D3hot, 0);
pci_enable_wake(wd->pci.pdev,
PCI_D3cold, 0);
}
pci_set_power_state(pdev, PCI_D0);
} else if (wrap_is_usb_bus(wd->dev_bus)) {
wrap_resume_urbs(wd);
}
} else {
TRACE2("suspending device %p", wd);
if (wrap_is_pci_bus(wd->dev_bus)) {
pdev = wd->pci.pdev;
pci_save_state(pdev);
TRACE2("%d", wd->pci.wake_state);
if (wd->pci.wake_state == PowerDeviceD3) {
pci_enable_wake(wd->pci.pdev,
PCI_D3hot, 1);
pci_enable_wake(wd->pci.pdev,
PCI_D3cold, 1);
}
pci_set_power_state(pdev, PCI_D3hot);
} else if (wrap_is_usb_bus(wd->dev_bus)) {
wrap_suspend_urbs(wd);
}
}
status = STATUS_SUCCESS;
break;
case IRP_MN_QUERY_POWER:
status = STATUS_SUCCESS;
break;
default:
TRACE2("fn %d not implemented", irp_sl->minor_fn);
status = STATUS_SUCCESS;
break;
}
irp->io_status.status = status;
IoCompleteRequest(irp, IO_NO_INCREMENT);
return status;
}
WIN_FUNC_DECL(pdoDispatchPower,2)
static NTSTATUS pnp_set_device_power_state(struct wrap_device *wd,
enum device_power_state state)
{
NTSTATUS status;
struct device_object *pdo;
struct io_stack_location irp_sl;
pdo = wd->pdo;
IOTRACE("%p, %p", pdo, IoGetAttachedDevice(pdo));
memset(&irp_sl, 0, sizeof(irp_sl));
irp_sl.params.power.state.device_state = state;
irp_sl.params.power.type = DevicePowerState;
if (state > PowerDeviceD0) {
status = IoSendIrpTopDev(pdo, IRP_MJ_POWER, IRP_MN_QUERY_POWER,
&irp_sl);
if (status != STATUS_SUCCESS) {
TRACE1("query of power to %d returns %08X",
state, status);
EXIT1(return status);
}
}
status = IoSendIrpTopDev(pdo, IRP_MJ_POWER, IRP_MN_SET_POWER, &irp_sl);
if (status != STATUS_SUCCESS)
WARNING("setting power to %d failed: %08X", state, status);
EXIT1(return status);
}
static NTSTATUS pnp_start_device(struct wrap_device *wd)
{
struct device_object *fdo;
struct device_object *pdo;
struct io_stack_location irp_sl;
NTSTATUS status;
pdo = wd->pdo;
/* TODO: for now we use same resources for both translated
* resources and raw resources */
memset(&irp_sl, 0, sizeof(irp_sl));
irp_sl.params.start_device.allocated_resources =
wd->resource_list;
irp_sl.params.start_device.allocated_resources_translated =
wd->resource_list;
status = IoSendIrpTopDev(pdo, IRP_MJ_PNP, IRP_MN_START_DEVICE, &irp_sl);
fdo = IoGetAttachedDevice(pdo);
fdo->drv_obj->drv_ext->count++;
if (status != STATUS_SUCCESS)
WARNING("Windows driver couldn't initialize the device (%08X)",
status);
EXIT1(return status);
}
#if 0
static NTSTATUS pnp_stop_device(struct wrap_device *wd)
{
struct device_object *pdo;
NTSTATUS status;
pdo = wd->pdo;
status = IoSendIrpTopDev(pdo, IRP_MJ_PNP, IRP_MN_QUERY_STOP_DEVICE,
NULL);
if (status != STATUS_SUCCESS)
WARNING("status: %08X", status);
/* for now we ignore query status */
status = IoSendIrpTopDev(pdo, IRP_MJ_PNP, IRP_MN_STOP_DEVICE, NULL);
if (status != STATUS_SUCCESS)
WARNING("status: %08X", status);
if (status != STATUS_SUCCESS)
WARNING("status: %08X", status);
EXIT2(return status);
}
#endif
static NTSTATUS pnp_remove_device(struct wrap_device *wd)
{
struct device_object *pdo, *fdo;
struct driver_object *fdo_drv_obj;
NTSTATUS status;
pdo = wd->pdo;
fdo = IoGetAttachedDevice(pdo);
fdo_drv_obj = fdo->drv_obj;
TRACE2("%p, %p, %p", pdo, fdo, fdo_drv_obj);
status = IoSendIrpTopDev(pdo, IRP_MJ_PNP, IRP_MN_QUERY_REMOVE_DEVICE,
NULL);
if (status != STATUS_SUCCESS)
WARNING("status: %08X", status);
status = IoSendIrpTopDev(pdo, IRP_MJ_PNP, IRP_MN_REMOVE_DEVICE, NULL);
if (status != STATUS_SUCCESS)
WARNING("status: %08X", status);
/* TODO: should we use count in drv_ext or driver's Object
* header reference count to keep count of devices associated
* with a driver? */
if (status == STATUS_SUCCESS)
fdo_drv_obj->drv_ext->count--;
TRACE1("count: %d", fdo_drv_obj->drv_ext->count);
if ((LONG)fdo_drv_obj->drv_ext->count < 0)
WARNING("wrong count: %d", fdo_drv_obj->drv_ext->count);
if (fdo_drv_obj->drv_ext->count == 0) {
struct wrap_driver *wrap_driver;
TRACE1("unloading driver: %p", fdo_drv_obj);
wrap_driver =
IoGetDriverObjectExtension(fdo_drv_obj,
(void *)WRAP_DRIVER_CLIENT_ID);
if (fdo_drv_obj->unload)
LIN2WIN1(fdo_drv_obj->unload, fdo_drv_obj);
if (wrap_driver) {
mutex_lock(&loader_mutex);
unload_wrap_driver(wrap_driver);
mutex_unlock(&loader_mutex);
} else
ERROR("couldn't get wrap_driver");
ObDereferenceObject(fdo_drv_obj);
}
IoDeleteDevice(pdo);
unload_wrap_device(wd);
EXIT1(return status);
}
WIN_FUNC_DECL(IoInvalidDeviceRequest,2)
static struct device_object *alloc_pdo(struct driver_object *drv_obj)
{
struct device_object *pdo;
NTSTATUS status;
int i;
struct ansi_string ansi_name;
struct unicode_string unicode_name;
RtlInitAnsiString(&ansi_name, "NDISpdo");
if (RtlAnsiStringToUnicodeString(&unicode_name, &ansi_name, TRUE) ==
STATUS_SUCCESS) {
status = IoCreateDevice(drv_obj, 0, &unicode_name,
FILE_DEVICE_UNKNOWN,
FILE_AUTOGENERATED_DEVICE_NAME,
FALSE, &pdo);
RtlFreeUnicodeString(&unicode_name);
} else {
status = IoCreateDevice(drv_obj, 0, NULL,
FILE_DEVICE_UNKNOWN,
FILE_AUTOGENERATED_DEVICE_NAME,
FALSE, &pdo);
}
TRACE1("%p, %d, %p", drv_obj, status, pdo);
if (status != STATUS_SUCCESS)
return NULL;
/* dispatch routines are called as Windows functions */
for (i = 0; i <= IRP_MJ_MAXIMUM_FUNCTION; i++)
drv_obj->major_func[i] = WIN_FUNC_PTR(IoInvalidDeviceRequest,2);
drv_obj->major_func[IRP_MJ_INTERNAL_DEVICE_CONTROL] =
WIN_FUNC_PTR(pdoDispatchDeviceControl,2);
drv_obj->major_func[IRP_MJ_DEVICE_CONTROL] =
WIN_FUNC_PTR(pdoDispatchDeviceControl,2);
drv_obj->major_func[IRP_MJ_POWER] = WIN_FUNC_PTR(pdoDispatchPower,2);
drv_obj->major_func[IRP_MJ_PNP] = WIN_FUNC_PTR(pdoDispatchPnp,2);
return pdo;
}
static int wrap_pnp_start_device(struct wrap_device *wd)
{
struct wrap_driver *driver;
struct device_object *pdo;
struct driver_object *pdo_drv_obj;
ENTER1("wd: %p", wd);
if (!((wrap_is_pci_bus(wd->dev_bus)) ||
(wrap_is_usb_bus(wd->dev_bus)))) {
ERROR("bus type %d (%d) not supported",
WRAP_BUS(wd->dev_bus), wd->dev_bus);
EXIT1(return -EINVAL);
}
driver = load_wrap_driver(wd);
if (!driver)
return -ENODEV;
wd->driver = driver;
wd->dev_bus = WRAP_DEVICE_BUS(driver->dev_type, WRAP_BUS(wd->dev_bus));
TRACE1("dev type: %d, bus type: %d, %d", WRAP_DEVICE(wd->dev_bus),
WRAP_BUS(wd->dev_bus), wd->dev_bus);
TRACE1("%d, %d", driver->dev_type, wrap_is_usb_bus(wd->dev_bus));
/* first create pdo */
if (wrap_is_pci_bus(wd->dev_bus))
pdo_drv_obj = find_bus_driver("PCI");
else // if (wrap_is_usb_bus(wd->dev_bus))
pdo_drv_obj = find_bus_driver("USB");
if (!pdo_drv_obj)
return -EINVAL;
pdo = alloc_pdo(pdo_drv_obj);
if (!pdo)
return -ENOMEM;
wd->pdo = pdo;
pdo->reserved = wd;
if (WRAP_DEVICE(wd->dev_bus) == WRAP_NDIS_DEVICE) {
if (init_ndis_driver(driver->drv_obj)) {
IoDeleteDevice(pdo);
return -EINVAL;
}
}
TRACE1("%p", driver->drv_obj->drv_ext->add_device);
if (driver->drv_obj->drv_ext->add_device(driver->drv_obj, pdo) !=
STATUS_SUCCESS) {
IoDeleteDevice(pdo);
return -ENOMEM;
}
if (pnp_start_device(wd) != STATUS_SUCCESS) {
/* TODO: we need proper cleanup, to deallocate memory,
* for example */
pnp_remove_device(wd);
return -EINVAL;
}
return 0;
}
int wrap_pnp_start_pci_device(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
struct load_device load_device;
struct wrap_device *wd;
ENTER1("called for %04x:%04x:%04x:%04x", pdev->vendor, pdev->device,
pdev->subsystem_vendor, pdev->subsystem_device);
load_device.bus = WRAP_PCI_BUS;
load_device.vendor = pdev->vendor;
load_device.device = pdev->device;
load_device.subvendor = pdev->subsystem_vendor;
load_device.subdevice = pdev->subsystem_device;
wd = load_wrap_device(&load_device);
if (!wd)
EXIT1(return -ENODEV);
wd->pci.pdev = pdev;
return wrap_pnp_start_device(wd);
}
void wrap_pnp_remove_pci_device(struct pci_dev *pdev)
{
struct wrap_device *wd;
wd = (struct wrap_device *)pci_get_drvdata(pdev);
ENTER1("%p, %p", pdev, wd);
if (!wd)
EXIT1(return);
pnp_remove_device(wd);
}
int wrap_pnp_suspend_pci_device(struct pci_dev *pdev, pm_message_t state)
{
struct wrap_device *wd;
wd = (struct wrap_device *)pci_get_drvdata(pdev);
return pnp_set_device_power_state(wd, PowerDeviceD3);
}
int wrap_pnp_resume_pci_device(struct pci_dev *pdev)
{
struct wrap_device *wd;
wd = (struct wrap_device *)pci_get_drvdata(pdev);
return pnp_set_device_power_state(wd, PowerDeviceD0);
}
#ifdef ENABLE_USB
int wrap_pnp_start_usb_device(struct usb_interface *intf,
const struct usb_device_id *usb_id)
{
struct wrap_device *wd;
int ret;
struct usb_device *udev = interface_to_usbdev(intf);
ENTER1("%04x, %04x, %04x", udev->descriptor.idVendor,
udev->descriptor.idProduct, udev->descriptor.bDeviceClass);
/* USB device (e.g., RNDIS) may have multiple interfaces;
initialize one interface only (is there a way to know which
of these interfaces is for network?) */
if ((wd = get_wrap_device(udev, WRAP_USB_BUS))) {
TRACE1("device already initialized: %p", wd);
usb_set_intfdata(intf, NULL);
ret = 0;
} else {
struct load_device load_device;
load_device.bus = WRAP_USB_BUS;
load_device.vendor = le16_to_cpu(udev->descriptor.idVendor);
load_device.device = le16_to_cpu(udev->descriptor.idProduct);
load_device.subvendor = 0;
load_device.subdevice = 0;
wd = load_wrap_device(&load_device);
TRACE2("%p", wd);
if (wd) {
/* some devices (e.g., TI 4150, RNDIS) need
* full reset */
ret = usb_reset_device(udev);
if (ret)
WARNING("reset failed: %d", ret);
usb_set_intfdata(intf, wd);
wd->usb.intf = intf;
wd->usb.udev = udev;
ret = wrap_pnp_start_device(wd);
} else
ret = -ENODEV;
}
TRACE2("ret: %d", ret);
if (ret)
EXIT1(return ret);
else
return 0;
}
void wrap_pnp_remove_usb_device(struct usb_interface *intf)
{
struct wrap_device *wd;
wd = (struct wrap_device *)usb_get_intfdata(intf);
TRACE1("%p, %p", intf, wd);
if (wd == NULL)
EXIT1(return);
usb_set_intfdata(intf, NULL);
wd->usb.intf = NULL;
pnp_remove_device(wd);
}
int wrap_pnp_suspend_usb_device(struct usb_interface *intf, pm_message_t state)
{
struct wrap_device *wd;
wd = usb_get_intfdata(intf);
ENTER1("%p, %p", intf, wd);
if (!wd)
EXIT1(return 0);
if (pnp_set_device_power_state(wd, PowerDeviceD3))
return -1;
return 0;
}
int wrap_pnp_resume_usb_device(struct usb_interface *intf)
{
struct wrap_device *wd;
wd = usb_get_intfdata(intf);
ENTER1("%p, %p", intf, wd);
if (!wd)
EXIT1(return 0);
if (pnp_set_device_power_state(wd, PowerDeviceD0))
return -1;
return 0;
}
#endif // USB
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