19 files changed, 275 insertions, 142 deletions

diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index 78fade0a1e35..b7d81b2a9041 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -346,6 +346,11 @@ unifdef-y += videodev.h
 unifdef-y += virtio_config.h
 unifdef-y += virtio_blk.h
 unifdef-y += virtio_net.h
+unifdef-y += virtio_9p.h
+unifdef-y += virtio_balloon.h
+unifdef-y += virtio_console.h
+unifdef-y += virtio_pci.h
+unifdef-y += virtio_ring.h
 unifdef-y += vt.h
 unifdef-y += wait.h
 unifdef-y += wanrouter.h
diff --git a/include/linux/anon_inodes.h b/include/linux/anon_inodes.h
index b2e1ba325b9a..6129e58ca7c9 100644
--- a/include/linux/anon_inodes.h
+++ b/include/linux/anon_inodes.h
@@ -8,8 +8,7 @@
 #ifndef _LINUX_ANON_INODES_H
 #define _LINUX_ANON_INODES_H
 
-int anon_inode_getfd(int *pfd, struct inode **pinode, struct file **pfile,
-                     const char *name, const struct file_operations *fops,
+int anon_inode_getfd(const char *name, const struct file_operations *fops,
                      void *priv);
 
 #endif /* _LINUX_ANON_INODES_H */
diff --git a/include/linux/device.h b/include/linux/device.h
index 832fb0eb2933..8c23e3dfe3ac 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -380,6 +380,12 @@ struct device {
 /* Get the wakeup routines, which depend on struct device */
 #include <linux/pm_wakeup.h>
 
+static inline const char *dev_name(struct device *dev)
+{
+        /* will be changed into kobject_name(&dev->kobj) in the near future */
+        return dev->bus_id;
+}
+
 #ifdef CONFIG_NUMA
 static inline int dev_to_node(struct device *dev)
 {
@@ -478,7 +484,7 @@ extern void sysdev_shutdown(void);
 extern const char *dev_driver_string(struct device *dev);
 #define dev_printk(level, dev, format, arg...)  \
         printk(level "%s %s: " format , dev_driver_string(dev) , \
-               (dev)->bus_id , ## arg)
+               dev_name(dev) , ## arg)
 
 #define dev_emerg(dev, format, arg...)          \
         dev_printk(KERN_EMERG , dev , format , ## arg)
diff --git a/include/linux/fdtable.h b/include/linux/fdtable.h
new file mode 100644
index 000000000000..a118f3c0b240
--- /dev/null
+++ b/include/linux/fdtable.h
@@ -0,0 +1,99 @@
+/*
+ * descriptor table internals; you almost certainly want file.h instead.
+ */
+
+#ifndef __LINUX_FDTABLE_H
+#define __LINUX_FDTABLE_H
+
+#include <asm/atomic.h>
+#include <linux/posix_types.h>
+#include <linux/compiler.h>
+#include <linux/spinlock.h>
+#include <linux/rcupdate.h>
+#include <linux/types.h>
+
+/*
+ * The default fd array needs to be at least BITS_PER_LONG,
+ * as this is the granularity returned by copy_fdset().
+ */
+#define NR_OPEN_DEFAULT BITS_PER_LONG
+
+/*
+ * The embedded_fd_set is a small fd_set,
+ * suitable for most tasks (which open <= BITS_PER_LONG files)
+ */
+struct embedded_fd_set {
+        unsigned long fds_bits[1];
+};
+
+struct fdtable {
+        unsigned int max_fds;
+        struct file ** fd;      /* current fd array */
+        fd_set *close_on_exec;
+        fd_set *open_fds;
+        struct rcu_head rcu;
+        struct fdtable *next;
+};
+
+/*
+ * Open file table structure
+ */
+struct files_struct {
+  /*
+   * read mostly part
+   */
+        atomic_t count;
+        struct fdtable *fdt;
+        struct fdtable fdtab;
+  /*
+   * written part on a separate cache line in SMP
+   */
+        spinlock_t file_lock ____cacheline_aligned_in_smp;
+        int next_fd;
+        struct embedded_fd_set close_on_exec_init;
+        struct embedded_fd_set open_fds_init;
+        struct file * fd_array[NR_OPEN_DEFAULT];
+};
+
+#define files_fdtable(files) (rcu_dereference((files)->fdt))
+
+extern struct kmem_cache *filp_cachep;
+
+struct file_operations;
+struct vfsmount;
+struct dentry;
+
+extern int expand_files(struct files_struct *, int nr);
+extern void free_fdtable_rcu(struct rcu_head *rcu);
+extern void __init files_defer_init(void);
+
+static inline void free_fdtable(struct fdtable *fdt)
+{
+        call_rcu(&fdt->rcu, free_fdtable_rcu);
+}
+
+static inline struct file * fcheck_files(struct files_struct *files, unsigned int fd)
+{
+        struct file * file = NULL;
+        struct fdtable *fdt = files_fdtable(files);
+
+        if (fd < fdt->max_fds)
+                file = rcu_dereference(fdt->fd[fd]);
+        return file;
+}
+
+/*
+ * Check whether the specified fd has an open file.
+ */
+#define fcheck(fd)      fcheck_files(current->files, fd)
+
+struct task_struct;
+
+struct files_struct *get_files_struct(struct task_struct *);
+void put_files_struct(struct files_struct *fs);
+void reset_files_struct(struct files_struct *);
+int unshare_files(struct files_struct **);
+
+extern struct kmem_cache *files_cachep;
+
+#endif /* __LINUX_FDTABLE_H */
diff --git a/include/linux/file.h b/include/linux/file.h
index 69baf5a4f0a5..27c64bdc68c9 100644
--- a/include/linux/file.h
+++ b/include/linux/file.h
@@ -5,59 +5,11 @@
 #ifndef __LINUX_FILE_H
 #define __LINUX_FILE_H
 
-#include <asm/atomic.h>
-#include <linux/posix_types.h>
 #include <linux/compiler.h>
-#include <linux/spinlock.h>
-#include <linux/rcupdate.h>
 #include <linux/types.h>
+#include <linux/posix_types.h>
 
-/*
- * The default fd array needs to be at least BITS_PER_LONG,
- * as this is the granularity returned by copy_fdset().
- */
-#define NR_OPEN_DEFAULT BITS_PER_LONG
-
-/*
- * The embedded_fd_set is a small fd_set,
- * suitable for most tasks (which open <= BITS_PER_LONG files)
- */
-struct embedded_fd_set {
-        unsigned long fds_bits[1];
-};
-
-struct fdtable {
-        unsigned int max_fds;
-        struct file ** fd;      /* current fd array */
-        fd_set *close_on_exec;
-        fd_set *open_fds;
-        struct rcu_head rcu;
-        struct fdtable *next;
-};
-
-/*
- * Open file table structure
- */
-struct files_struct {
-  /*
-   * read mostly part
-   */
-        atomic_t count;
-        struct fdtable *fdt;
-        struct fdtable fdtab;
-  /*
-   * written part on a separate cache line in SMP
-   */
-        spinlock_t file_lock ____cacheline_aligned_in_smp;
-        int next_fd;
-        struct embedded_fd_set close_on_exec_init;
-        struct embedded_fd_set open_fds_init;
-        struct file * fd_array[NR_OPEN_DEFAULT];
-};
-
-#define files_fdtable(files) (rcu_dereference((files)->fdt))
-
-extern struct kmem_cache *filp_cachep;
+struct file;
 
 extern void __fput(struct file *);
 extern void fput(struct file *);
@@ -85,41 +37,7 @@ extern void put_filp(struct file *);
 extern int get_unused_fd(void);
 extern int get_unused_fd_flags(int flags);
 extern void put_unused_fd(unsigned int fd);
-struct kmem_cache;
-
-extern int expand_files(struct files_struct *, int nr);
-extern void free_fdtable_rcu(struct rcu_head *rcu);
-extern void __init files_defer_init(void);
-
-static inline void free_fdtable(struct fdtable *fdt)
-{
-        call_rcu(&fdt->rcu, free_fdtable_rcu);
-}
-
-static inline struct file * fcheck_files(struct files_struct *files, unsigned int fd)
-{
-        struct file * file = NULL;
-        struct fdtable *fdt = files_fdtable(files);
-
-        if (fd < fdt->max_fds)
-                file = rcu_dereference(fdt->fd[fd]);
-        return file;
-}
-
-/*
- * Check whether the specified fd has an open file.
- */
-#define fcheck(fd)      fcheck_files(current->files, fd)
 
 extern void fd_install(unsigned int fd, struct file *file);
 
-struct task_struct;
-
-struct files_struct *get_files_struct(struct task_struct *);
-void put_files_struct(struct files_struct *fs);
-void reset_files_struct(struct files_struct *);
-int unshare_files(struct files_struct **);
-
-extern struct kmem_cache *files_cachep;
-
 #endif /* __LINUX_FILE_H */
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 529f301d9372..0b5e03eae6d2 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -113,7 +113,7 @@ struct ieee80211_hdr {
 struct ieee80211s_hdr {
         u8 flags;
         u8 ttl;
-        u8 seqnum[3];
+        __le32 seqnum;
         u8 eaddr1[6];
         u8 eaddr2[6];
         u8 eaddr3[6];
diff --git a/include/linux/if_bridge.h b/include/linux/if_bridge.h
index 58e43e566457..950e13d09e06 100644
--- a/include/linux/if_bridge.h
+++ b/include/linux/if_bridge.h
@@ -97,7 +97,9 @@ struct __fdb_entry
         __u8 port_no;
         __u8 is_local;
         __u32 ageing_timer_value;
-        __u32 unused;
+        __u8 port_hi;
+        __u8 pad0;
+        __u16 unused;
 };
 
 #ifdef __KERNEL__
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index bf6b8a61f8db..b24c2875aa05 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -1,7 +1,7 @@
 #ifndef _LINUX__INIT_TASK_H
 #define _LINUX__INIT_TASK_H
 
-#include <linux/file.h>
+#include <linux/fdtable.h>
 #include <linux/rcupdate.h>
 #include <linux/irqflags.h>
 #include <linux/utsname.h>
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 1883a85625dd..552e0ec269c9 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -61,6 +61,7 @@ typedef	void (*irq_flow_handler_t)(unsigned int irq,
 #define IRQ_WAKEUP              0x00100000      /* IRQ triggers system wakeup */
 #define IRQ_MOVE_PENDING        0x00200000      /* need to re-target IRQ destination */
 #define IRQ_NO_BALANCING        0x00400000      /* IRQ is excluded from balancing */
+#define IRQ_SPURIOUS_DISABLED   0x00800000      /* IRQ was disabled by the spurious trap */
 
 #ifdef CONFIG_IRQ_PER_CPU
 # define CHECK_IRQ_PER_CPU(var) ((var) & IRQ_PER_CPU)
diff --git a/include/linux/poll.h b/include/linux/poll.h
index 16d813b364ef..ef453828877a 100644
--- a/include/linux/poll.h
+++ b/include/linux/poll.h
@@ -117,6 +117,8 @@ void zero_fd_set(unsigned long nr, unsigned long *fdset)
 extern int do_select(int n, fd_set_bits *fds, s64 *timeout);
 extern int do_sys_poll(struct pollfd __user * ufds, unsigned int nfds,
                        s64 *timeout);
+extern int core_sys_select(int n, fd_set __user *inp, fd_set __user *outp,
+                           fd_set __user *exp, s64 *timeout);
 
 #endif /* KERNEL */
 
diff --git a/include/linux/rio.h b/include/linux/rio.h
index c1c99c9643d3..dc0c75556c63 100644
--- a/include/linux/rio.h
+++ b/include/linux/rio.h
@@ -161,6 +161,8 @@ enum rio_phy_type {
  * @ops: configuration space functions
  * @id: Port ID, unique among all ports
  * @index: Port index, unique among all port interfaces of the same type
+ * @sys_size: RapidIO common transport system size
+ * @phy_type: RapidIO phy type
  * @name: Port name string
  * @priv: Master port private data
  */
diff --git a/include/linux/usb/c67x00.h b/include/linux/usb/c67x00.h
new file mode 100644
index 000000000000..83c6b45470ca
--- /dev/null
+++ b/include/linux/usb/c67x00.h
@@ -0,0 +1,48 @@
+/*
+ * usb_c67x00.h: platform definitions for the Cypress C67X00 USB chip
+ *
+ * Copyright (C) 2006-2008 Barco N.V.
+ *
+ * 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.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston,
+ * MA  02110-1301  USA.
+ */
+
+#ifndef _LINUX_USB_C67X00_H
+#define _LINUX_USB_C67X00_H
+
+/* SIE configuration */
+#define C67X00_SIE_UNUSED       0
+#define C67X00_SIE_HOST         1
+#define C67X00_SIE_PERIPHERAL_A 2       /* peripheral on A port */
+#define C67X00_SIE_PERIPHERAL_B 3       /* peripheral on B port */
+
+#define c67x00_sie_config(config, n)  (((config)>>(4*(n)))&0x3)
+
+#define C67X00_SIE1_UNUSED              (C67X00_SIE_UNUSED              << 0)
+#define C67X00_SIE1_HOST                (C67X00_SIE_HOST                << 0)
+#define C67X00_SIE1_PERIPHERAL_A        (C67X00_SIE_PERIPHERAL_A        << 0)
+#define C67X00_SIE1_PERIPHERAL_B        (C67X00_SIE_PERIPHERAL_B        << 0)
+
+#define C67X00_SIE2_UNUSED              (C67X00_SIE_UNUSED              << 4)
+#define C67X00_SIE2_HOST                (C67X00_SIE_HOST                << 4)
+#define C67X00_SIE2_PERIPHERAL_A        (C67X00_SIE_PERIPHERAL_A        << 4)
+#define C67X00_SIE2_PERIPHERAL_B        (C67X00_SIE_PERIPHERAL_B        << 4)
+
+struct c67x00_platform_data {
+        int sie_config;                 /* SIEs config (C67X00_SIEx_*) */
+        unsigned long hpi_regstep;      /* Step between HPI registers  */
+};
+
+#endif /* _LINUX_USB_C67X00_H */
diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h
index 7e0d3084f76c..73a2f4eb1f7a 100644
--- a/include/linux/usb/ch9.h
+++ b/include/linux/usb/ch9.h
@@ -455,7 +455,7 @@ struct usb_encryption_descriptor {
 
 /*-------------------------------------------------------------------------*/
 
-/* USB_DT_BOS:  group of wireless capabilities */
+/* USB_DT_BOS:  group of device-level capabilities */
 struct usb_bos_descriptor {
         __u8  bLength;
         __u8  bDescriptorType;
@@ -501,6 +501,16 @@ struct usb_wireless_cap_descriptor {	/* Ultra Wide Band */
         __u8  bReserved;
 } __attribute__((packed));
 
+#define USB_CAP_TYPE_EXT                2
+
+struct usb_ext_cap_descriptor {         /* Link Power Management */
+        __u8  bLength;
+        __u8  bDescriptorType;
+        __u8  bDevCapabilityType;
+        __u8  bmAttributes;
+#define USB_LPM_SUPPORT                 (1 << 1)        /* supports LPM */
+} __attribute__((packed));
+
 /*-------------------------------------------------------------------------*/
 
 /* USB_DT_WIRELESS_ENDPOINT_COMP:  companion descriptor associated with
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index d8128f7102c9..cf468fbdbf8e 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -114,6 +114,8 @@ struct usb_ep_ops {
         int (*dequeue) (struct usb_ep *ep, struct usb_request *req);
 
         int (*set_halt) (struct usb_ep *ep, int value);
+        int (*set_wedge) (struct usb_ep *ep);
+
         int (*fifo_status) (struct usb_ep *ep);
         void (*fifo_flush) (struct usb_ep *ep);
 };
@@ -349,6 +351,25 @@ static inline int usb_ep_clear_halt(struct usb_ep *ep)
 }
 
 /**
+ * usb_ep_set_wedge - sets the halt feature and ignores clear requests
+ * @ep: the endpoint being wedged
+ *
+ * Use this to stall an endpoint and ignore CLEAR_FEATURE(HALT_ENDPOINT)
+ * requests. If the gadget driver clears the halt status, it will
+ * automatically unwedge the endpoint.
+ *
+ * Returns zero on success, else negative errno.
+ */
+static inline int
+usb_ep_set_wedge(struct usb_ep *ep)
+{
+        if (ep->ops->set_wedge)
+                return ep->ops->set_wedge(ep);
+        else
+                return ep->ops->set_halt(ep, 1);
+}
+
+/**
  * usb_ep_fifo_status - returns number of bytes in fifo, or error
  * @ep: the endpoint whose fifo status is being checked.
  *
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index e7d10845b3c1..06005fa9e982 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -76,6 +76,7 @@ struct virtqueue_ops {
  * @dev: underlying device.
  * @id: the device type identification (used to match it with a driver).
  * @config: the configuration ops for this device.
+ * @features: the features supported by both driver and device.
  * @priv: private pointer for the driver's use.
  */
 struct virtio_device
@@ -84,6 +85,8 @@ struct virtio_device
         struct device dev;
         struct virtio_device_id id;
         struct virtio_config_ops *config;
+        /* Note that this is a Linux set_bit-style bitmap. */
+        unsigned long features[1];
         void *priv;
 };
 
@@ -94,6 +97,8 @@ void unregister_virtio_device(struct virtio_device *dev);
  * virtio_driver - operations for a virtio I/O driver
  * @driver: underlying device driver (populate name and owner).
  * @id_table: the ids serviced by this driver.
+ * @feature_table: an array of feature numbers supported by this device.
+ * @feature_table_size: number of entries in the feature table array.
  * @probe: the function to call when a device is found.  Returns a token for
  *    remove, or PTR_ERR().
  * @remove: the function when a device is removed.
@@ -103,6 +108,8 @@ void unregister_virtio_device(struct virtio_device *dev);
 struct virtio_driver {
         struct device_driver driver;
         const struct virtio_device_id *id_table;
+        const unsigned int *feature_table;
+        unsigned int feature_table_size;
         int (*probe)(struct virtio_device *dev);
         void (*remove)(struct virtio_device *dev);
         void (*config_changed)(struct virtio_device *dev);
diff --git a/include/linux/virtio_blk.h b/include/linux/virtio_blk.h
index bca0b10d7947..d4695a3356d0 100644
--- a/include/linux/virtio_blk.h
+++ b/include/linux/virtio_blk.h
@@ -9,6 +9,7 @@
 #define VIRTIO_BLK_F_BARRIER    0       /* Does host support barriers? */
 #define VIRTIO_BLK_F_SIZE_MAX   1       /* Indicates maximum segment size */
 #define VIRTIO_BLK_F_SEG_MAX    2       /* Indicates maximum # of segments */
+#define VIRTIO_BLK_F_GEOMETRY   4       /* Legacy geometry available  */
 
 struct virtio_blk_config
 {
@@ -18,6 +19,12 @@ struct virtio_blk_config
         __le32 size_max;
         /* The maximum number of segments (if VIRTIO_BLK_F_SEG_MAX) */
         __le32 seg_max;
+        /* geometry the device (if VIRTIO_BLK_F_GEOMETRY) */
+        struct virtio_blk_geometry {
+                __le16 cylinders;
+                __u8 heads;
+                __u8 sectors;
+        } geometry;
 } __attribute__((packed));
 
 /* These two define direction. */
@@ -41,13 +48,8 @@ struct virtio_blk_outhdr
         __u64 sector;
 };
 
+/* And this is the final byte of the write scatter-gather list. */
 #define VIRTIO_BLK_S_OK         0
 #define VIRTIO_BLK_S_IOERR      1
 #define VIRTIO_BLK_S_UNSUPP     2
-
-/* This is the first element of the write scatter-gather list */
-struct virtio_blk_inhdr
-{
-        unsigned char status;
-};
 #endif /* _LINUX_VIRTIO_BLK_H */
diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h
index d581b2914b34..50db245c81ad 100644
--- a/include/linux/virtio_config.h
+++ b/include/linux/virtio_config.h
@@ -16,27 +16,20 @@
 #define VIRTIO_CONFIG_S_FAILED          0x80
 
 #ifdef __KERNEL__
-struct virtio_device;
+#include <linux/virtio.h>
 
 /**
  * virtio_config_ops - operations for configuring a virtio device
- * @feature: search for a feature in this config
- *      vdev: the virtio_device
- *      bit: the feature bit
- *      Returns true if the feature is supported.  Acknowledges the feature
- *      so the host can see it.
  * @get: read the value of a configuration field
  *      vdev: the virtio_device
  *      offset: the offset of the configuration field
  *      buf: the buffer to write the field value into.
  *      len: the length of the buffer
- *      Note that contents are conventionally little-endian.
  * @set: write the value of a configuration field
  *      vdev: the virtio_device
  *      offset: the offset of the configuration field
  *      buf: the buffer to read the field value from.
  *      len: the length of the buffer
- *      Note that contents are conventionally little-endian.
  * @get_status: read the status byte
  *      vdev: the virtio_device
  *      Returns the status byte
@@ -52,10 +45,15 @@ struct virtio_device;
  *      callback: the virqtueue callback
  *      Returns the new virtqueue or ERR_PTR() (eg. -ENOENT).
  * @del_vq: free a virtqueue found by find_vq().
+ * @get_features: get the array of feature bits for this device.
+ *      vdev: the virtio_device
+ *      Returns the first 32 feature bits (all we currently need).
+ * @set_features: confirm what device features we'll be using.
+ *      vdev: the virtio_device
+ *      feature: the first 32 feature bits
  */
 struct virtio_config_ops
 {
-        bool (*feature)(struct virtio_device *vdev, unsigned bit);
         void (*get)(struct virtio_device *vdev, unsigned offset,
                     void *buf, unsigned len);
         void (*set)(struct virtio_device *vdev, unsigned offset,
@@ -67,43 +65,52 @@ struct virtio_config_ops
                                      unsigned index,
                                      void (*callback)(struct virtqueue *));
         void (*del_vq)(struct virtqueue *vq);
+        u32 (*get_features)(struct virtio_device *vdev);
+        void (*set_features)(struct virtio_device *vdev, u32 features);
 };
 
+/* If driver didn't advertise the feature, it will never appear. */
+void virtio_check_driver_offered_feature(const struct virtio_device *vdev,
+                                         unsigned int fbit);
+
 /**
- * virtio_config_val - look for a feature and get a single virtio config.
- * @vdev: the virtio device
+ * virtio_has_feature - helper to determine if this device has this feature.
+ * @vdev: the device
  * @fbit: the feature bit
- * @offset: the type to search for.
- * @val: a pointer to the value to fill in.
- *
- * The return value is -ENOENT if the feature doesn't exist.  Otherwise
- * the value is endian-corrected and returned in v. */
-#define virtio_config_val(vdev, fbit, offset, v) ({                     \
-        int _err;                                                       \
-        if ((vdev)->config->feature((vdev), (fbit))) {                  \
-                __virtio_config_val((vdev), (offset), (v));             \
-                _err = 0;                                               \
-        } else                                                          \
-                _err = -ENOENT;                                         \
-        _err;                                                           \
-})
+ */
+static inline bool virtio_has_feature(const struct virtio_device *vdev,
+                                      unsigned int fbit)
+{
+        /* Did you forget to fix assumptions on max features? */
+        if (__builtin_constant_p(fbit))
+                BUILD_BUG_ON(fbit >= 32);
+
+        virtio_check_driver_offered_feature(vdev, fbit);
+        return test_bit(fbit, vdev->features);
+}
 
 /**
- * __virtio_config_val - get a single virtio config without feature check.
+ * virtio_config_val - look for a feature and get a virtio config entry.
  * @vdev: the virtio device
+ * @fbit: the feature bit
  * @offset: the type to search for.
  * @val: a pointer to the value to fill in.
  *
- * The value is endian-corrected and returned in v. */
-#define __virtio_config_val(vdev, offset, v) do {                       \
-        BUILD_BUG_ON(sizeof(*(v)) != 1 && sizeof(*(v)) != 2             \
-                     && sizeof(*(v)) != 4 && sizeof(*(v)) != 8);        \
-        (vdev)->config->get((vdev), (offset), (v), sizeof(*(v)));       \
-        switch (sizeof(*(v))) {                                         \
-        case 2: le16_to_cpus((__u16 *) v); break;                       \
-        case 4: le32_to_cpus((__u32 *) v); break;                       \
-        case 8: le64_to_cpus((__u64 *) v); break;                       \
-        }                                                               \
-} while(0)
+ * The return value is -ENOENT if the feature doesn't exist.  Otherwise
+ * the config value is copied into whatever is pointed to by v. */
+#define virtio_config_val(vdev, fbit, offset, v) \
+        virtio_config_buf((vdev), (fbit), (offset), (v), sizeof(v))
+
+static inline int virtio_config_buf(struct virtio_device *vdev,
+                                    unsigned int fbit,
+                                    unsigned int offset,
+                                    void *buf, unsigned len)
+{
+        if (!virtio_has_feature(vdev, fbit))
+                return -ENOENT;
+
+        vdev->config->get(vdev, offset, buf, len);
+        return 0;
+}
 #endif /* __KERNEL__ */
 #endif /* _LINUX_VIRTIO_CONFIG_H */
diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h
index 1ea3351df609..9405aa6cdf26 100644
--- a/include/linux/virtio_net.h
+++ b/include/linux/virtio_net.h
@@ -6,9 +6,18 @@
 #define VIRTIO_ID_NET   1
 
 /* The feature bitmap for virtio net */
-#define VIRTIO_NET_F_CSUM       0       /* Can handle pkts w/ partial csum */
+#define VIRTIO_NET_F_CSUM       0       /* Host handles pkts w/ partial csum */
+#define VIRTIO_NET_F_GUEST_CSUM 1       /* Guest handles pkts w/ partial csum */
 #define VIRTIO_NET_F_MAC        5       /* Host has given MAC address. */
-#define VIRTIO_NET_F_GSO        6       /* Can handle pkts w/ any GSO type */
+#define VIRTIO_NET_F_GSO        6       /* Host handles pkts w/ any GSO type */
+#define VIRTIO_NET_F_GUEST_TSO4 7       /* Guest can handle TSOv4 in. */
+#define VIRTIO_NET_F_GUEST_TSO6 8       /* Guest can handle TSOv6 in. */
+#define VIRTIO_NET_F_GUEST_ECN  9       /* Guest can handle TSO[6] w/ ECN in. */
+#define VIRTIO_NET_F_GUEST_UFO  10      /* Guest can handle UFO in. */
+#define VIRTIO_NET_F_HOST_TSO4  11      /* Host can handle TSOv4 in. */
+#define VIRTIO_NET_F_HOST_TSO6  12      /* Host can handle TSOv6 in. */
+#define VIRTIO_NET_F_HOST_ECN   13      /* Host can handle TSO[6] w/ ECN in. */
+#define VIRTIO_NET_F_HOST_UFO   14      /* Host can handle UFO in. */
 
 struct virtio_net_config
 {
diff --git a/include/linux/wireless.h b/include/linux/wireless.h
index 2864b1699ecc..0a9b5b41ed67 100644
--- a/include/linux/wireless.h
+++ b/include/linux/wireless.h
@@ -69,14 +69,9 @@
 
 /***************************** INCLUDES *****************************/
 
-/* This header is used in user-space, therefore need to be sanitised
- * for that purpose. Those includes are usually not compatible with glibc.
- * To know which includes to use in user-space, check iwlib.h. */
-#ifdef __KERNEL__
-#include <linux/types.h>                /* for "caddr_t" et al          */
+#include <linux/types.h>                /* for __u* and __s* typedefs */
 #include <linux/socket.h>               /* for "struct sockaddr" et al  */
 #include <linux/if.h>                   /* for IFNAMSIZ and co... */
-#endif  /* __KERNEL__ */
 
 /***************************** VERSION *****************************/
 /*