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authorGreg Kroah-Hartman <gregkh@suse.de>2006-03-03 14:48:52 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2006-03-03 14:48:52 -0800
commite779553185f660ece90347ba849eccdfbdf46d6d (patch)
tree07c2a021b94f4f00876094f90570fa0df397c603 /usb
parente449d88200084a27997993b78956a6f2b252f2df (diff)
downloadpatches-e779553185f660ece90347ba849eccdfbdf46d6d.tar.gz
moved usbfs2.patch into the bad/ dir
Diffstat (limited to 'usb')
-rw-r--r--usb/usbfs2.patch557
1 files changed, 0 insertions, 557 deletions
diff --git a/usb/usbfs2.patch b/usb/usbfs2.patch
deleted file mode 100644
index 92b5d4a5c623f..0000000000000
--- a/usb/usbfs2.patch
+++ /dev/null
@@ -1,557 +0,0 @@
----
- drivers/usb/Kconfig | 2
- drivers/usb/Makefile | 2
- drivers/usb/usbfs2/Kconfig | 7
- drivers/usb/usbfs2/Makefile | 7
- drivers/usb/usbfs2/inode.c | 485 ++++++++++++++++++++++++++++++++++++++++++++
- include/linux/usb.h | 2
- 6 files changed, 505 insertions(+)
-
---- /dev/null
-+++ gregkh-2.6/drivers/usb/usbfs2/Makefile
-@@ -0,0 +1,7 @@
-+usbfs2-objs := inode.o
-+
-+obj-$(CONFIG_USB_USBFS2) += usbfs2.o
-+
-+ifeq ($(CONFIG_USB_DEBUG),y)
-+EXTRA_CFLAGS += -DDEBUG
-+endif
---- gregkh-2.6.orig/drivers/usb/Kconfig
-+++ gregkh-2.6/drivers/usb/Kconfig
-@@ -77,6 +77,8 @@ config USB
-
- source "drivers/usb/core/Kconfig"
-
-+source "drivers/usb/usbfs2/Kconfig"
-+
- source "drivers/usb/host/Kconfig"
-
- source "drivers/usb/ip/Kconfig"
---- gregkh-2.6.orig/drivers/usb/Makefile
-+++ gregkh-2.6/drivers/usb/Makefile
-@@ -8,6 +8,8 @@ obj-$(CONFIG_USB) += core/
-
- obj-$(CONFIG_USB_MON) += mon/
-
-+obj-$(CONFIG_USB_USBFS2) += usbfs2/
-+
- obj-$(CONFIG_PCI) += host/
- obj-$(CONFIG_USB_EHCI_HCD) += host/
- obj-$(CONFIG_USB_ISP116X_HCD) += host/
---- /dev/null
-+++ gregkh-2.6/drivers/usb/usbfs2/Kconfig
-@@ -0,0 +1,7 @@
-+config USB_USBFS2
-+ tristate "USB device filesystem - version 2"
-+ depends on USB
-+ ---help---
-+ Select this option to get the usb device file system, mark 2
-+
-+ Most users want to say Y here.
---- /dev/null
-+++ gregkh-2.6/drivers/usb/usbfs2/inode.c
-@@ -0,0 +1,485 @@
-+/*
-+ * usbfs2.c - usbfs2
-+ *
-+ * Copyright (C) 2006 Greg Kroah-Hartman <gregkh@suse.de>
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License version
-+ * 2 as published by the Free Software Foundation.
-+ *
-+ * Based on security/inode.c which had the following copyright notice:
-+ * Copyright (C) 2005 Greg Kroah-Hartman <gregkh@suse.de>
-+ */
-+
-+#include <linux/config.h>
-+#include <linux/module.h>
-+#include <linux/fs.h>
-+#include <linux/mount.h>
-+#include <linux/pagemap.h>
-+#include <linux/init.h>
-+#include <linux/namei.h>
-+#include <linux/usb.h>
-+#include "../core/usb.h"
-+
-+#define USBFS2_MAGIC 0x75736266
-+
-+static struct vfsmount *mount;
-+static int mount_count;
-+
-+/*
-+ * TODO:
-+ * I think I can get rid of these default_file_ops, but not quite sure...
-+ */
-+static ssize_t default_read_file(struct file *file, char __user *buf,
-+ size_t count, loff_t *ppos)
-+{
-+ return 0;
-+}
-+
-+static ssize_t default_write_file(struct file *file, const char __user *buf,
-+ size_t count, loff_t *ppos)
-+{
-+ return count;
-+}
-+
-+static int default_open(struct inode *inode, struct file *file)
-+{
-+ if (inode->u.generic_ip)
-+ file->private_data = inode->u.generic_ip;
-+
-+ return 0;
-+}
-+
-+static struct file_operations default_file_ops = {
-+ .read = default_read_file,
-+ .write = default_write_file,
-+ .open = default_open,
-+};
-+
-+static struct inode *get_inode(struct super_block *sb, int mode, dev_t dev)
-+{
-+ struct inode *inode = new_inode(sb);
-+
-+ if (inode) {
-+ inode->i_mode = mode;
-+ inode->i_uid = 0;
-+ inode->i_gid = 0;
-+ inode->i_blksize = PAGE_CACHE_SIZE;
-+ inode->i_blocks = 0;
-+ inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
-+ switch (mode & S_IFMT) {
-+ default:
-+ init_special_inode(inode, mode, dev);
-+ break;
-+ case S_IFREG:
-+ inode->i_fop = &default_file_ops;
-+ break;
-+ case S_IFDIR:
-+ inode->i_op = &simple_dir_inode_operations;
-+ inode->i_fop = &simple_dir_operations;
-+
-+ /* directory inodes start off with i_nlink == 2 (for "." entry) */
-+ inode->i_nlink++;
-+ break;
-+ }
-+ }
-+ return inode;
-+}
-+
-+/* SMP-safe */
-+static int mknod(struct inode *dir, struct dentry *dentry,
-+ int mode, dev_t dev)
-+{
-+ struct inode *inode;
-+ int error = -EPERM;
-+
-+ if (dentry->d_inode)
-+ return -EEXIST;
-+
-+ inode = get_inode(dir->i_sb, mode, dev);
-+ if (inode) {
-+ d_instantiate(dentry, inode);
-+ dget(dentry);
-+ error = 0;
-+ }
-+ return error;
-+}
-+
-+static int mkdir(struct inode *dir, struct dentry *dentry, int mode)
-+{
-+ int res;
-+
-+ mode = (mode & (S_IRWXUGO | S_ISVTX)) | S_IFDIR;
-+ res = mknod(dir, dentry, mode, 0);
-+ if (!res)
-+ dir->i_nlink++;
-+ return res;
-+}
-+
-+static int create(struct inode *dir, struct dentry *dentry, int mode)
-+{
-+ mode = (mode & S_IALLUGO) | S_IFREG;
-+ return mknod(dir, dentry, mode, 0);
-+}
-+
-+static inline int positive(struct dentry *dentry)
-+{
-+ return dentry->d_inode && !d_unhashed(dentry);
-+}
-+
-+static int fill_super(struct super_block *sb, void *data, int silent)
-+{
-+ static struct tree_descr files[] = {{""}};
-+
-+ return simple_fill_super(sb, USBFS2_MAGIC, files);
-+}
-+
-+static struct super_block *get_sb(struct file_system_type *fs_type,
-+ int flags, const char *dev_name,
-+ void *data)
-+{
-+ return get_sb_single(fs_type, flags, data, fill_super);
-+}
-+
-+static struct file_system_type fs_type = {
-+ .owner = THIS_MODULE,
-+ .name = "usbfs2",
-+ .get_sb = get_sb,
-+ .kill_sb = kill_litter_super,
-+};
-+
-+static int create_by_name(const char *name, mode_t mode,
-+ struct dentry *parent,
-+ struct dentry **dentry)
-+{
-+ int error = 0;
-+
-+ *dentry = NULL;
-+
-+ /* If the parent is not specified, we create it in the root.
-+ * We need the root dentry to do this, which is in the super
-+ * block. A pointer to that is in the struct vfsmount that we
-+ * have around.
-+ */
-+ if (!parent ) {
-+ if (mount && mount->mnt_sb) {
-+ parent = mount->mnt_sb->s_root;
-+ }
-+ }
-+ if (!parent) {
-+ pr_debug("usbfs2: Ah! can not find a parent!\n");
-+ return -EFAULT;
-+ }
-+
-+ mutex_lock(&parent->d_inode->i_mutex);
-+ *dentry = lookup_one_len(name, parent, strlen(name));
-+ if (!IS_ERR(dentry)) {
-+ if ((mode & S_IFMT) == S_IFDIR)
-+ error = mkdir(parent->d_inode, *dentry, mode);
-+ else
-+ error = create(parent->d_inode, *dentry, mode);
-+ } else
-+ error = PTR_ERR(dentry);
-+ mutex_unlock(&parent->d_inode->i_mutex);
-+
-+ return error;
-+}
-+
-+/**
-+ * usbfs2_create_file - create a file in the usbfs2 filesystem
-+ *
-+ * @name: a pointer to a string containing the name of the file to create.
-+ * @mode: the permission that the file should have
-+ * @parent: a pointer to the parent dentry for this file. This should be a
-+ * directory dentry if set. If this paramater is NULL, then the
-+ * file will be created in the root of the usbfs2 filesystem.
-+ * @data: a pointer to something that the caller will want to get to later
-+ * on. The inode.u.generic_ip pointer will point to this value on
-+ * the open() call.
-+ * @fops: a pointer to a struct file_operations that should be used for
-+ * this file.
-+ *
-+ * This is the basic "create a file" function for usbfs2. It allows for a
-+ * wide range of flexibility in createing a file, or a directory (if you
-+ * want to create a directory, the usbfs2_create_dir() function is
-+ * recommended to be used instead.)
-+ *
-+ * This function will return a pointer to a dentry if it succeeds. This
-+ * pointer must be passed to the usbfs2_remove() function when the file is
-+ * to be removed (no automatic cleanup happens if your module is unloaded,
-+ * you are responsible here.) If an error occurs, NULL will be returned.
-+ *
-+ * If usbfs2 is not enabled in the kernel, the value -ENODEV will be
-+ * returned. It is not wise to check for this value, but rather, check for
-+ * NULL or !NULL instead as to eliminate the need for #ifdef in the calling
-+ * code.
-+ */
-+static struct dentry *usbfs2_create_file(const char *name, mode_t mode,
-+ struct dentry *parent, void *data,
-+ struct file_operations *fops)
-+{
-+ struct dentry *dentry = NULL;
-+ int error;
-+
-+ pr_debug("usbfs2: creating file '%s'\n",name);
-+
-+ error = simple_pin_fs("usbfs2", &mount, &mount_count);
-+ if (error) {
-+ dentry = ERR_PTR(error);
-+ goto exit;
-+ }
-+
-+ error = create_by_name(name, mode, parent, &dentry);
-+ if (error) {
-+ dentry = ERR_PTR(error);
-+ simple_release_fs(&mount, &mount_count);
-+ goto exit;
-+ }
-+
-+ if (dentry->d_inode) {
-+ if (fops)
-+ dentry->d_inode->i_fop = fops;
-+ if (data)
-+ dentry->d_inode->u.generic_ip = data;
-+ }
-+exit:
-+ return dentry;
-+}
-+
-+/**
-+ * usbfs2_create_dir - create a directory in the usbfs2 filesystem
-+ *
-+ * @name: a pointer to a string containing the name of the directory to
-+ * create.
-+ * @parent: a pointer to the parent dentry for this file. This should be a
-+ * directory dentry if set. If this paramater is NULL, then the
-+ * directory will be created in the root of the usbfs2 filesystem.
-+ *
-+ * This function creates a directory in usbfs2 with the given name.
-+ *
-+ * This function will return a pointer to a dentry if it succeeds. This
-+ * pointer must be passed to the usbfs2_remove() function when the file is
-+ * to be removed (no automatic cleanup happens if your module is unloaded,
-+ * you are responsible here.) If an error occurs, NULL will be returned.
-+ *
-+ * If usbfs2 is not enabled in the kernel, the value -ENODEV will be
-+ * returned. It is not wise to check for this value, but rather, check for
-+ * NULL or !NULL instead as to eliminate the need for #ifdef in the calling
-+ * code.
-+ */
-+static struct dentry *usbfs2_create_dir(const char *name, struct dentry *parent)
-+{
-+ return usbfs2_create_file(name, S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO,
-+ parent, NULL, NULL);
-+}
-+
-+/**
-+ * usbfs2_remove - removes a file or directory from the usbfs2 filesystem
-+ *
-+ * @dentry: a pointer to a the dentry of the file or directory to be
-+ * removed.
-+ *
-+ * This function removes a file or directory in usbfs2 that was previously
-+ * created with a call to another usbfs2 function (like
-+ * usbfs2_create_file() or variants thereof.)
-+ *
-+ * This function is required to be called in order for the file to be
-+ * removed, no automatic cleanup of files will happen when a module is
-+ * removed, you are responsible here.
-+ */
-+static void usbfs2_remove(struct dentry *dentry)
-+{
-+ struct dentry *parent;
-+
-+ if (!dentry)
-+ return;
-+
-+ parent = dentry->d_parent;
-+ if (!parent || !parent->d_inode)
-+ return;
-+
-+ mutex_lock(&parent->d_inode->i_mutex);
-+ if (positive(dentry)) {
-+ if (dentry->d_inode) {
-+ if (S_ISDIR(dentry->d_inode->i_mode))
-+ simple_rmdir(parent->d_inode, dentry);
-+ else
-+ simple_unlink(parent->d_inode, dentry);
-+ dput(dentry);
-+ }
-+ }
-+ mutex_unlock(&parent->d_inode->i_mutex);
-+ simple_release_fs(&mount, &mount_count);
-+}
-+
-+
-+static void add_bus(struct usb_bus *bus)
-+{
-+ struct dentry *parent;
-+ char name[8];
-+
-+ sprintf(name, "%03d", bus->busnum);
-+
-+ parent = mount->mnt_sb->s_root;
-+ bus->usbfs2_dentry = usbfs2_create_dir(name, parent);
-+ if (bus->usbfs2_dentry == NULL) {
-+ dev_err(bus->controller, "error creating usbfs2 bus entry");
-+ return;
-+ }
-+}
-+
-+static void remove_bus(struct usb_bus *bus)
-+{
-+ if (bus->usbfs2_dentry) {
-+ usbfs2_remove(bus->usbfs2_dentry);
-+ bus->usbfs2_dentry = NULL;
-+ }
-+}
-+
-+struct ep_object {
-+ struct usb_endpoint_descriptor *desc;
-+ struct usb_device *udev;
-+ struct dentry *dentry;
-+};
-+
-+static ssize_t ep_read_file(struct file *file, char __user *buf,
-+ size_t count, loff_t *ppos)
-+{
-+ struct ep_object *ep_obj = file->private_data;
-+ dbg("endpoint %02x read from", ep_obj->desc->bEndpointAddress);
-+ return 0;
-+}
-+
-+static ssize_t ep_write_file(struct file *file, const char __user *buf,
-+ size_t count, loff_t *ppos)
-+{
-+ struct ep_object *ep_obj = file->private_data;
-+ dbg("endpoint %02x written to", ep_obj->desc->bEndpointAddress);
-+ return count;
-+}
-+
-+static int ep_open(struct inode *inode, struct file *file)
-+{
-+ if (inode->u.generic_ip)
-+ file->private_data = inode->u.generic_ip;
-+ return 0;
-+}
-+
-+static struct file_operations ep_file_ops = {
-+ .read = ep_read_file,
-+ .write = ep_write_file,
-+ .open = ep_open,
-+};
-+
-+static void add_endpoint(struct dentry *parent, struct usb_host_endpoint *endpoint, struct usb_device *udev)
-+{
-+ struct ep_object *ep_obj;
-+ char name[8];
-+
-+ ep_obj = kzalloc(sizeof(struct ep_object), GFP_KERNEL);
-+ if (!ep_obj)
-+ return;
-+
-+ ep_obj->desc = &endpoint->desc;
-+ ep_obj->udev = udev;
-+
-+ sprintf(name, "ep_%02x", endpoint->desc.bEndpointAddress);
-+ ep_obj->dentry = usbfs2_create_file(name, S_IRWXU | S_IRUGO | S_IXUGO,
-+ parent, ep_obj, &ep_file_ops);
-+}
-+
-+static void add_device(struct usb_device *dev)
-+{
-+ char name[8];
-+
-+ if (!dev->bus->usbfs2_dentry) {
-+ dev_err(&dev->dev, "no directory created for the device's bus\n");
-+ return;
-+ }
-+
-+ sprintf(name, "%03d", dev->devnum);
-+ dev->usbfs2_dentry = usbfs2_create_dir(name, dev->bus->usbfs2_dentry);
-+ if (dev->usbfs2_dentry == NULL) {
-+ dev_err(&dev->dev, "error creating usbfs2 device entry");
-+ return;
-+ }
-+ add_endpoint(dev->usbfs2_dentry, &dev->ep0, dev);
-+
-+}
-+
-+static void remove_device(struct usb_device *dev)
-+{
-+ if (dev->usbfs2_dentry) {
-+ usbfs2_remove(dev->usbfs2_dentry);
-+ dev->usbfs2_dentry = NULL;
-+ }
-+#if 0
-+ /* FIXME need to do something like this here */
-+ while (!list_empty(&dev->filelist)) {
-+ struct dev_state *ds;
-+ struct siginfo sinfo;
-+
-+ ds = list_entry(dev->filelist.next, struct dev_state, list);
-+ wake_up_all(&ds->wait);
-+ list_del_init(&ds->list);
-+ if (ds->discsignr) {
-+ sinfo.si_signo = SIGPIPE;
-+ sinfo.si_errno = EPIPE;
-+ sinfo.si_code = SI_ASYNCIO;
-+ sinfo.si_addr = ds->disccontext;
-+ kill_proc_info_as_uid(ds->discsignr, &sinfo, ds->disc_pid, ds->disc_uid, ds->disc_euid);
-+ }
-+ }
-+#endif
-+}
-+
-+static int usbfs2_notify(struct notifier_block *self, unsigned long action,
-+ void *dev)
-+{
-+ switch (action) {
-+ case USB_DEVICE_ADD:
-+ add_device(dev);
-+ break;
-+ case USB_DEVICE_REMOVE:
-+ remove_device(dev);
-+ break;
-+ case USB_BUS_ADD:
-+ add_bus(dev);
-+ break;
-+ case USB_BUS_REMOVE:
-+ remove_bus(dev);
-+ break;
-+ }
-+ return NOTIFY_OK;
-+}
-+
-+static struct notifier_block usbfs2_nb = {
-+ .notifier_call = usbfs2_notify,
-+};
-+
-+
-+static int __init usbfs2_init(void)
-+{
-+ int retval;
-+
-+ retval = register_filesystem(&fs_type);
-+ if (retval)
-+ goto exit;
-+
-+ usb_register_notify(&usbfs2_nb);
-+
-+exit:
-+ return retval;
-+}
-+
-+static void __exit usbfs2_exit(void)
-+{
-+ usb_unregister_notify(&usbfs2_nb);
-+ simple_release_fs(&mount, &mount_count);
-+ unregister_filesystem(&fs_type);
-+}
-+
-+core_initcall(usbfs2_init);
-+module_exit(usbfs2_exit);
-+MODULE_LICENSE("GPL");
-+
---- gregkh-2.6.orig/include/linux/usb.h
-+++ gregkh-2.6/include/linux/usb.h
-@@ -291,6 +291,7 @@ struct usb_bus {
- int bandwidth_isoc_reqs; /* number of Isoc. requests */
-
- struct dentry *usbfs_dentry; /* usbfs dentry entry for the bus */
-+ struct dentry *usbfs2_dentry; /* usbfs2 dentry entry for the bus */
-
- struct class_device *class_dev; /* class device for this bus */
- struct kref kref; /* reference counting for this bus */
-@@ -361,6 +362,7 @@ struct usb_device {
- struct list_head filelist;
- struct class_device *class_dev;
- struct dentry *usbfs_dentry; /* usbfs dentry entry for the device */
-+ struct dentry *usbfs2_dentry; /* usbfs2 dentry entry for the device */
-
- /*
- * Child devices - these can be either new devices