diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/storage/Makefile | 6 | ||||
| -rw-r--r-- | drivers/usb/storage/libusual.c | 33 | ||||
| -rw-r--r-- | drivers/usb/storage/protocol.c | 3 | ||||
| -rw-r--r-- | drivers/usb/storage/scsiglue.c | 2 | ||||
| -rw-r--r-- | drivers/usb/storage/transport.c | 10 | ||||
| -rw-r--r-- | drivers/usb/storage/usb.c | 209 | ||||
| -rw-r--r-- | drivers/usb/storage/usb.h | 21 | ||||
| -rw-r--r-- | drivers/usb/storage/usual-tables.c | 105 |
8 files changed, 256 insertions, 133 deletions
diff --git a/drivers/usb/storage/Makefile b/drivers/usb/storage/Makefile index b32069313390..a9e475e127a5 100644 --- a/drivers/usb/storage/Makefile +++ b/drivers/usb/storage/Makefile @@ -25,6 +25,8 @@ usb-storage-obj-$(CONFIG_USB_STORAGE_CYPRESS_ATACB) += cypress_atacb.o usb-storage-objs := scsiglue.o protocol.o transport.o usb.o \ initializers.o sierra_ms.o option_ms.o $(usb-storage-obj-y) -ifneq ($(CONFIG_USB_LIBUSUAL),) - obj-$(CONFIG_USB) += libusual.o +ifeq ($(CONFIG_USB_LIBUSUAL),) + usb-storage-objs += usual-tables.o +else + obj-$(CONFIG_USB) += libusual.o usual-tables.o endif diff --git a/drivers/usb/storage/libusual.c b/drivers/usb/storage/libusual.c index f970b27ba308..fe3ffe1459b2 100644 --- a/drivers/usb/storage/libusual.c +++ b/drivers/usb/storage/libusual.c @@ -38,37 +38,6 @@ static atomic_t total_threads = ATOMIC_INIT(0); static int usu_probe_thread(void *arg); /* - * The table. - */ -#define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \ - vendorName, productName,useProtocol, useTransport, \ - initFunction, flags) \ -{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin,bcdDeviceMax), \ - .driver_info = (flags)|(USB_US_TYPE_STOR<<24) } - -#define COMPLIANT_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \ - vendorName, productName, useProtocol, useTransport, \ - initFunction, flags) \ -{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \ - .driver_info = (flags) } - -#define USUAL_DEV(useProto, useTrans, useType) \ -{ USB_INTERFACE_INFO(USB_CLASS_MASS_STORAGE, useProto, useTrans), \ - .driver_info = ((useType)<<24) } - -struct usb_device_id storage_usb_ids [] = { -# include "unusual_devs.h" - { } /* Terminating entry */ -}; - -#undef USUAL_DEV -#undef UNUSUAL_DEV -#undef COMPLIANT_DEV - -MODULE_DEVICE_TABLE(usb, storage_usb_ids); -EXPORT_SYMBOL_GPL(storage_usb_ids); - -/* * @type: the module type as an integer */ void usb_usual_set_present(int type) @@ -167,7 +136,7 @@ static struct usb_driver usu_driver = { .name = "libusual", .probe = usu_probe, .disconnect = usu_disconnect, - .id_table = storage_usb_ids, + .id_table = usb_storage_usb_ids, }; /* diff --git a/drivers/usb/storage/protocol.c b/drivers/usb/storage/protocol.c index be441d84bc64..fc310f75eada 100644 --- a/drivers/usb/storage/protocol.c +++ b/drivers/usb/storage/protocol.c @@ -121,6 +121,7 @@ void usb_stor_transparent_scsi_command(struct scsi_cmnd *srb, /* send the command to the transport layer */ usb_stor_invoke_transport(srb, us); } +EXPORT_SYMBOL_GPL(usb_stor_transparent_scsi_command); /*********************************************************************** * Scatter-gather transfer buffer access routines @@ -199,6 +200,7 @@ unsigned int usb_stor_access_xfer_buf(unsigned char *buffer, /* Return the amount actually transferred */ return cnt; } +EXPORT_SYMBOL_GPL(usb_stor_access_xfer_buf); /* Store the contents of buffer into srb's transfer buffer and set the * SCSI residue. @@ -215,3 +217,4 @@ void usb_stor_set_xfer_buf(unsigned char *buffer, if (buflen < scsi_bufflen(srb)) scsi_set_resid(srb, scsi_bufflen(srb) - buflen); } +EXPORT_SYMBOL_GPL(usb_stor_set_xfer_buf); diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index ed710bcdaab2..4ca3b5860643 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -569,4 +569,4 @@ unsigned char usb_stor_sense_invalidCDB[18] = { [7] = 0x0a, /* additional length */ [12] = 0x24 /* Invalid Field in CDB */ }; - +EXPORT_SYMBOL_GPL(usb_stor_sense_invalidCDB); diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c index fb65d221cedf..d48c8553539d 100644 --- a/drivers/usb/storage/transport.c +++ b/drivers/usb/storage/transport.c @@ -220,6 +220,7 @@ int usb_stor_control_msg(struct us_data *us, unsigned int pipe, status = us->current_urb->actual_length; return status; } +EXPORT_SYMBOL_GPL(usb_stor_control_msg); /* This is a version of usb_clear_halt() that allows early termination and * doesn't read the status from the device -- this is because some devices @@ -254,6 +255,7 @@ int usb_stor_clear_halt(struct us_data *us, unsigned int pipe) US_DEBUGP("%s: result = %d\n", __func__, result); return result; } +EXPORT_SYMBOL_GPL(usb_stor_clear_halt); /* @@ -352,6 +354,7 @@ int usb_stor_ctrl_transfer(struct us_data *us, unsigned int pipe, return interpret_urb_result(us, pipe, size, result, us->current_urb->actual_length); } +EXPORT_SYMBOL_GPL(usb_stor_ctrl_transfer); /* * Receive one interrupt buffer, without timeouts, but allowing early @@ -407,6 +410,7 @@ int usb_stor_bulk_transfer_buf(struct us_data *us, unsigned int pipe, return interpret_urb_result(us, pipe, length, result, us->current_urb->actual_length); } +EXPORT_SYMBOL_GPL(usb_stor_bulk_transfer_buf); /* * Transfer a scatter-gather list via bulk transfer @@ -474,6 +478,7 @@ int usb_stor_bulk_srb(struct us_data* us, unsigned int pipe, scsi_set_resid(srb, scsi_bufflen(srb) - partial); return result; } +EXPORT_SYMBOL_GPL(usb_stor_bulk_srb); /* * Transfer an entire SCSI command's worth of data payload over the bulk @@ -509,6 +514,7 @@ int usb_stor_bulk_transfer_sg(struct us_data* us, unsigned int pipe, *residual = length_left; return result; } +EXPORT_SYMBOL_GPL(usb_stor_bulk_transfer_sg); /*********************************************************************** * Transport routines @@ -940,6 +946,7 @@ int usb_stor_CB_transport(struct scsi_cmnd *srb, struct us_data *us) usb_stor_clear_halt(us, pipe); return USB_STOR_TRANSPORT_FAILED; } +EXPORT_SYMBOL_GPL(usb_stor_CB_transport); /* * Bulk only transport @@ -1156,6 +1163,7 @@ int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us) /* we should never get here, but if we do, we're in trouble */ return USB_STOR_TRANSPORT_ERROR; } +EXPORT_SYMBOL_GPL(usb_stor_Bulk_transport); /*********************************************************************** * Reset routines @@ -1230,6 +1238,7 @@ int usb_stor_CB_reset(struct us_data *us) USB_TYPE_CLASS | USB_RECIP_INTERFACE, 0, us->ifnum, us->iobuf, CB_RESET_CMD_SIZE); } +EXPORT_SYMBOL_GPL(usb_stor_CB_reset); /* This issues a Bulk-only Reset to the device in question, including * clearing the subsequent endpoint halts that may occur. @@ -1242,6 +1251,7 @@ int usb_stor_Bulk_reset(struct us_data *us) USB_TYPE_CLASS | USB_RECIP_INTERFACE, 0, us->ifnum, NULL, 0); } +EXPORT_SYMBOL_GPL(usb_stor_Bulk_reset); /* Issue a USB port reset to the device. The caller must not hold * us->dev_mutex. diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index b01dade63cb3..490ea761398c 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -5,7 +5,7 @@ * * Developed with the assistance of: * (c) 2000 David L. Brown, Jr. (usb-storage@davidb.org) - * (c) 2003 Alan Stern (stern@rowland.harvard.edu) + * (c) 2003-2009 Alan Stern (stern@rowland.harvard.edu) * * Initial work by: * (c) 1999 Michael Gee (michael@linuxspecific.com) @@ -118,36 +118,8 @@ MODULE_PARM_DESC(quirks, "supplemental list of device IDs and their quirks"); /* * The entries in this table correspond, line for line, - * with the entries of us_unusual_dev_list[]. + * with the entries in usb_storage_usb_ids[], defined in usual-tables.c. */ -#ifndef CONFIG_USB_LIBUSUAL - -#define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \ - vendorName, productName,useProtocol, useTransport, \ - initFunction, flags) \ -{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin,bcdDeviceMax), \ - .driver_info = (flags)|(USB_US_TYPE_STOR<<24) } - -#define COMPLIANT_DEV UNUSUAL_DEV - -#define USUAL_DEV(useProto, useTrans, useType) \ -{ USB_INTERFACE_INFO(USB_CLASS_MASS_STORAGE, useProto, useTrans), \ - .driver_info = (USB_US_TYPE_STOR<<24) } - -static struct usb_device_id storage_usb_ids [] = { - -# include "unusual_devs.h" -#undef UNUSUAL_DEV -#undef COMPLIANT_DEV -#undef USUAL_DEV - /* Terminating entry */ - { } -}; - -MODULE_DEVICE_TABLE (usb, storage_usb_ids); -#endif /* CONFIG_USB_LIBUSUAL */ - -/* This is the list of devices we recognize, along with their flag data */ /* The vendor name should be kept at eight characters or less, and * the product name should be kept at 16 characters or less. If a device @@ -179,18 +151,17 @@ MODULE_DEVICE_TABLE (usb, storage_usb_ids); static struct us_unusual_dev us_unusual_dev_list[] = { # include "unusual_devs.h" -# undef UNUSUAL_DEV -# undef COMPLIANT_DEV -# undef USUAL_DEV - - /* Terminating entry */ - { NULL } + { } /* Terminating entry */ }; +#undef UNUSUAL_DEV +#undef COMPLIANT_DEV +#undef USUAL_DEV + #ifdef CONFIG_PM /* Minimal support for suspend and resume */ -static int storage_suspend(struct usb_interface *iface, pm_message_t message) +int usb_stor_suspend(struct usb_interface *iface, pm_message_t message) { struct us_data *us = usb_get_intfdata(iface); @@ -207,8 +178,9 @@ static int storage_suspend(struct usb_interface *iface, pm_message_t message) mutex_unlock(&us->dev_mutex); return 0; } +EXPORT_SYMBOL_GPL(usb_stor_suspend); -static int storage_resume(struct usb_interface *iface) +int usb_stor_resume(struct usb_interface *iface) { struct us_data *us = usb_get_intfdata(iface); @@ -221,8 +193,9 @@ static int storage_resume(struct usb_interface *iface) mutex_unlock(&us->dev_mutex); return 0; } +EXPORT_SYMBOL_GPL(usb_stor_resume); -static int storage_reset_resume(struct usb_interface *iface) +int usb_stor_reset_resume(struct usb_interface *iface) { struct us_data *us = usb_get_intfdata(iface); @@ -235,6 +208,7 @@ static int storage_reset_resume(struct usb_interface *iface) * the device */ return 0; } +EXPORT_SYMBOL_GPL(usb_stor_reset_resume); #endif /* CONFIG_PM */ @@ -243,7 +217,7 @@ static int storage_reset_resume(struct usb_interface *iface) * a USB port reset, whether from this driver or a different one. */ -static int storage_pre_reset(struct usb_interface *iface) +int usb_stor_pre_reset(struct usb_interface *iface) { struct us_data *us = usb_get_intfdata(iface); @@ -253,8 +227,9 @@ static int storage_pre_reset(struct usb_interface *iface) mutex_lock(&us->dev_mutex); return 0; } +EXPORT_SYMBOL_GPL(usb_stor_pre_reset); -static int storage_post_reset(struct usb_interface *iface) +int usb_stor_post_reset(struct usb_interface *iface) { struct us_data *us = usb_get_intfdata(iface); @@ -269,6 +244,7 @@ static int storage_post_reset(struct usb_interface *iface) mutex_unlock(&us->dev_mutex); return 0; } +EXPORT_SYMBOL_GPL(usb_stor_post_reset); /* * fill_inquiry_response takes an unsigned char array (which must @@ -311,6 +287,7 @@ void fill_inquiry_response(struct us_data *us, unsigned char *data, usb_stor_set_xfer_buf(data, data_len, us->srb); } +EXPORT_SYMBOL_GPL(fill_inquiry_response); static int usb_stor_control_thread(void * __us) { @@ -551,20 +528,13 @@ static void adjust_quirks(struct us_data *us) vid, pid, f); } -/* Find an unusual_dev descriptor (always succeeds in the current code) */ -static struct us_unusual_dev *find_unusual(const struct usb_device_id *id) -{ - const int id_index = id - storage_usb_ids; - return &us_unusual_dev_list[id_index]; -} - /* Get the unusual_devs entries and the string descriptors */ -static int get_device_info(struct us_data *us, const struct usb_device_id *id) +static int get_device_info(struct us_data *us, const struct usb_device_id *id, + struct us_unusual_dev *unusual_dev) { struct usb_device *dev = us->pusb_dev; struct usb_interface_descriptor *idesc = &us->pusb_intf->cur_altsetting->desc; - struct us_unusual_dev *unusual_dev = find_unusual(id); /* Store the entries */ us->unusual_dev = unusual_dev; @@ -629,7 +599,7 @@ static int get_device_info(struct us_data *us, const struct usb_device_id *id) } /* Get the transport settings */ -static int get_transport(struct us_data *us) +static void get_transport(struct us_data *us) { switch (us->protocol) { case US_PR_CB: @@ -732,19 +702,11 @@ static int get_transport(struct us_data *us) break; #endif - default: - return -EIO; } - US_DEBUGP("Transport: %s\n", us->transport_name); - - /* fix for single-lun devices */ - if (us->fflags & US_FL_SINGLE_LUN) - us->max_lun = 0; - return 0; } /* Get the protocol settings */ -static int get_protocol(struct us_data *us) +static void get_protocol(struct us_data *us) { switch (us->subclass) { case US_SC_RBC: @@ -794,11 +756,7 @@ static int get_protocol(struct us_data *us) break; #endif - default: - return -EIO; } - US_DEBUGP("Protocol: %s\n", us->protocol_name); - return 0; } /* Get the pipe settings */ @@ -1012,17 +970,15 @@ static int usb_stor_scan_thread(void * __us) } -/* Probe to see if we can drive a newly-connected USB device */ -static int storage_probe(struct usb_interface *intf, - const struct usb_device_id *id) +/* First part of general USB mass-storage probing */ +int usb_stor_probe1(struct us_data **pus, + struct usb_interface *intf, + const struct usb_device_id *id, + struct us_unusual_dev *unusual_dev) { struct Scsi_Host *host; struct us_data *us; int result; - struct task_struct *th; - - if (usb_usual_check_type(id, USB_US_TYPE_STOR)) - return -ENXIO; US_DEBUGP("USB Mass Storage device detected\n"); @@ -1041,7 +997,7 @@ static int storage_probe(struct usb_interface *intf, * Allow 16-byte CDBs and thus > 2TB */ host->max_cmd_len = 16; - us = host_to_us(host); + *pus = us = host_to_us(host); memset(us, 0, sizeof(struct us_data)); mutex_init(&(us->dev_mutex)); init_completion(&us->cmnd_ready); @@ -1054,24 +1010,46 @@ static int storage_probe(struct usb_interface *intf, if (result) goto BadDevice; - /* - * Get the unusual_devs entries and the descriptors - * - * id_index is calculated in the declaration to be the index number - * of the match from the usb_device_id table, so we can find the - * corresponding entry in the private table. - */ - result = get_device_info(us, id); + /* Get the unusual_devs entries and the descriptors */ + result = get_device_info(us, id, unusual_dev); if (result) goto BadDevice; - /* Get the transport, protocol, and pipe settings */ - result = get_transport(us); - if (result) - goto BadDevice; - result = get_protocol(us); - if (result) + /* Get standard transport and protocol settings */ + get_transport(us); + get_protocol(us); + + /* Give the caller a chance to fill in specialized transport + * or protocol settings. + */ + return 0; + +BadDevice: + US_DEBUGP("storage_probe() failed\n"); + release_everything(us); + return result; +} +EXPORT_SYMBOL_GPL(usb_stor_probe1); + +/* Second part of general USB mass-storage probing */ +int usb_stor_probe2(struct us_data *us) +{ + struct task_struct *th; + int result; + + /* Make sure the transport and protocol have both been set */ + if (!us->transport || !us->proto_handler) { + result = -ENXIO; goto BadDevice; + } + US_DEBUGP("Transport: %s\n", us->transport_name); + US_DEBUGP("Protocol: %s\n", us->protocol_name); + + /* fix for single-lun devices */ + if (us->fflags & US_FL_SINGLE_LUN) + us->max_lun = 0; + + /* Find the endpoints and calculate pipe values */ result = get_pipes(us); if (result) goto BadDevice; @@ -1080,7 +1058,7 @@ static int storage_probe(struct usb_interface *intf, result = usb_stor_acquire_resources(us); if (result) goto BadDevice; - result = scsi_add_host(host, &intf->dev); + result = scsi_add_host(us_to_host(us), &us->pusb_intf->dev); if (result) { printk(KERN_WARNING USB_STORAGE "Unable to add the scsi host\n"); @@ -1108,9 +1086,10 @@ BadDevice: release_everything(us); return result; } +EXPORT_SYMBOL_GPL(usb_stor_probe2); -/* Handle a disconnect event from the USB core */ -static void storage_disconnect(struct usb_interface *intf) +/* Handle a USB mass-storage disconnect */ +void usb_stor_disconnect(struct usb_interface *intf) { struct us_data *us = usb_get_intfdata(intf); @@ -1118,6 +1097,42 @@ static void storage_disconnect(struct usb_interface *intf) quiesce_and_remove_host(us); release_everything(us); } +EXPORT_SYMBOL_GPL(usb_stor_disconnect); + +/* The main probe routine for standard devices */ +static int storage_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct us_data *us; + int result; + + /* + * If libusual is configured, let it decide whether a standard + * device should be handled by usb-storage or by ub. + * If the device isn't standard (is handled by a subdriver + * module) then don't accept it. + */ + if (usb_usual_check_type(id, USB_US_TYPE_STOR) || + usb_usual_ignore_device(intf)) + return -ENXIO; + + /* + * Call the general probe procedures. + * + * The unusual_dev_list array is parallel to the usb_storage_usb_ids + * table, so we use the index of the id entry to find the + * corresponding unusual_devs entry. + */ + result = usb_stor_probe1(&us, intf, id, + (id - usb_storage_usb_ids) + us_unusual_dev_list); + if (result) + return result; + + /* No special transport or protocol settings in the main module */ + + result = usb_stor_probe2(us); + return result; +} /*********************************************************************** * Initialization and registration @@ -1126,15 +1141,13 @@ static void storage_disconnect(struct usb_interface *intf) static struct usb_driver usb_storage_driver = { .name = "usb-storage", .probe = storage_probe, - .disconnect = storage_disconnect, -#ifdef CONFIG_PM - .suspend = storage_suspend, - .resume = storage_resume, - .reset_resume = storage_reset_resume, -#endif - .pre_reset = storage_pre_reset, - .post_reset = storage_post_reset, - .id_table = storage_usb_ids, + .disconnect = usb_stor_disconnect, + .suspend = usb_stor_suspend, + .resume = usb_stor_resume, + .reset_resume = usb_stor_reset_resume, + .pre_reset = usb_stor_pre_reset, + .post_reset = usb_stor_post_reset, + .id_table = usb_storage_usb_ids, .soft_unbind = 1, }; diff --git a/drivers/usb/storage/usb.h b/drivers/usb/storage/usb.h index 65e674e4be99..2609efb2bd7e 100644 --- a/drivers/usb/storage/usb.h +++ b/drivers/usb/storage/usb.h @@ -177,4 +177,25 @@ extern void fill_inquiry_response(struct us_data *us, #define scsi_unlock(host) spin_unlock_irq(host->host_lock) #define scsi_lock(host) spin_lock_irq(host->host_lock) +/* General routines provided by the usb-storage standard core */ +#ifdef CONFIG_PM +extern int usb_stor_suspend(struct usb_interface *iface, pm_message_t message); +extern int usb_stor_resume(struct usb_interface *iface); +extern int usb_stor_reset_resume(struct usb_interface *iface); +#else +#define usb_stor_suspend NULL +#define usb_stor_resume NULL +#define usb_stor_reset_resume NULL +#endif + +extern int usb_stor_pre_reset(struct usb_interface *iface); +extern int usb_stor_post_reset(struct usb_interface *iface); + +extern int usb_stor_probe1(struct us_data **pus, + struct usb_interface *intf, + const struct usb_device_id *id, + struct us_unusual_dev *unusual_dev); +extern int usb_stor_probe2(struct us_data *us); +extern void usb_stor_disconnect(struct usb_interface *intf); + #endif diff --git a/drivers/usb/storage/usual-tables.c b/drivers/usb/storage/usual-tables.c new file mode 100644 index 000000000000..1924e3229409 --- /dev/null +++ b/drivers/usb/storage/usual-tables.c @@ -0,0 +1,105 @@ +/* Driver for USB Mass Storage devices + * Usual Tables File for usb-storage and libusual + * + * Copyright (C) 2009 Alan Stern (stern@rowland.harvard.edu) + * + * Please see http://www.one-eyed-alien.net/~mdharm/linux-usb for more + * information about this driver. + * + * 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, 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. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/usb.h> +#include <linux/usb_usual.h> + + +/* + * The table of devices + */ +#define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \ + vendorName, productName, useProtocol, useTransport, \ + initFunction, flags) \ +{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \ + .driver_info = (flags)|(USB_US_TYPE_STOR<<24) } + +#define COMPLIANT_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \ + vendorName, productName, useProtocol, useTransport, \ + initFunction, flags) \ +{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \ + .driver_info = (flags) } + +#define USUAL_DEV(useProto, useTrans, useType) \ +{ USB_INTERFACE_INFO(USB_CLASS_MASS_STORAGE, useProto, useTrans), \ + .driver_info = ((useType)<<24) } + +struct usb_device_id usb_storage_usb_ids[] = { +# include "unusual_devs.h" + { } /* Terminating entry */ +}; +EXPORT_SYMBOL_GPL(usb_storage_usb_ids); + +MODULE_DEVICE_TABLE(usb, usb_storage_usb_ids); + +#undef UNUSUAL_DEV +#undef COMPLIANT_DEV +#undef USUAL_DEV + + +/* + * The table of devices to ignore + */ +struct ignore_entry { + u16 vid, pid, bcdmin, bcdmax; +}; + +#define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \ + vendorName, productName, useProtocol, useTransport, \ + initFunction, flags) \ +{ \ + .vid = id_vendor, \ + .pid = id_product, \ + .bcdmin = bcdDeviceMin, \ + .bcdmax = bcdDeviceMax, \ +} + +static struct ignore_entry ignore_ids[] = { + { } /* Terminating entry */ +}; + +#undef UNUSUAL_DEV + + +/* Return an error if a device is in the ignore_ids list */ +int usb_usual_ignore_device(struct usb_interface *intf) +{ + struct usb_device *udev; + unsigned vid, pid, bcd; + struct ignore_entry *p; + + udev = interface_to_usbdev(intf); + vid = le16_to_cpu(udev->descriptor.idVendor); + pid = le16_to_cpu(udev->descriptor.idProduct); + bcd = le16_to_cpu(udev->descriptor.bcdDevice); + + for (p = ignore_ids; p->vid; ++p) { + if (p->vid == vid && p->pid == pid && + p->bcdmin <= bcd && p->bcdmax >= bcd) + return -ENXIO; + } + return 0; +} +EXPORT_SYMBOL_GPL(usb_usual_ignore_device); |
