drivers: Push down BKL into various drivers
[safe/jmp/linux-2.6] / drivers / pcmcia / pcmcia_ioctl.c
index 8eceba7..838bbf6 100644 (file)
@@ -18,7 +18,6 @@
  */
 
 
-#include <linux/config.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/proc_fs.h>
 #include <linux/poll.h>
 #include <linux/pci.h>
+#include <linux/slab.h>
+#include <linux/seq_file.h>
+#include <linux/smp_lock.h>
 #include <linux/workqueue.h>
 
-#define IN_CARD_SERVICES
 #include <pcmcia/cs_types.h>
 #include <pcmcia/cs.h>
 #include <pcmcia/cistpl.h>
+#include <pcmcia/cisreg.h>
 #include <pcmcia/ds.h>
 #include <pcmcia/ss.h>
 
 #include "cs_internal.h"
-#include "ds_internal.h"
 
 static int major_dev = -1;
 
@@ -58,32 +59,19 @@ typedef struct user_info_t {
 } user_info_t;
 
 
-#ifdef DEBUG
-extern int ds_pc_debug;
-#define cs_socket_name(skt)    ((skt)->dev.class_id)
-
-#define ds_dbg(lvl, fmt, arg...) do {          \
-       if (ds_pc_debug >= lvl)                         \
-               printk(KERN_DEBUG "ds: " fmt , ## arg);         \
-} while (0)
-#else
-#define ds_dbg(lvl, fmt, arg...) do { } while (0)
-#endif
-
 static struct pcmcia_device *get_pcmcia_device(struct pcmcia_socket *s,
                                                unsigned int function)
 {
        struct pcmcia_device *p_dev = NULL;
-       unsigned long flags;
 
-       spin_lock_irqsave(&pcmcia_dev_list_lock, flags);
+       mutex_lock(&s->ops_mutex);
        list_for_each_entry(p_dev, &s->devices_list, socket_device_list) {
                if (p_dev->func == function) {
-                       spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
+                       mutex_unlock(&s->ops_mutex);
                        return pcmcia_get_dev(p_dev);
                }
        }
-       spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
+       mutex_unlock(&s->ops_mutex);
        return NULL;
 }
 
@@ -100,43 +88,322 @@ static struct pcmcia_driver *get_pcmcia_driver(dev_info_t *dev_info)
 
        p_drv = container_of(drv, struct pcmcia_driver, drv);
 
-       return (p_drv);
+       return p_drv;
 }
 
 
 #ifdef CONFIG_PROC_FS
-static struct proc_dir_entry *proc_pccard = NULL;
+static struct proc_dir_entry *proc_pccard;
 
-static int proc_read_drivers_callback(struct device_driver *driver, void *d)
+static int proc_read_drivers_callback(struct device_driver *driver, void *_m)
 {
-       char **p = d;
+       struct seq_file *m = _m;
        struct pcmcia_driver *p_drv = container_of(driver,
                                                   struct pcmcia_driver, drv);
 
-       *p += sprintf(*p, "%-24.24s 1 %d\n", p_drv->drv.name,
+       seq_printf(m, "%-24.24s 1 %d\n", p_drv->drv.name,
 #ifdef CONFIG_MODULE_UNLOAD
                      (p_drv->owner) ? module_refcount(p_drv->owner) : 1
 #else
                      1
 #endif
        );
-       d = (void *) p;
+       return 0;
+}
+
+static int pccard_drivers_proc_show(struct seq_file *m, void *v)
+{
+       return bus_for_each_drv(&pcmcia_bus_type, NULL,
+                               m, proc_read_drivers_callback);
+}
+
+static int pccard_drivers_proc_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, pccard_drivers_proc_show, NULL);
+}
+
+static const struct file_operations pccard_drivers_proc_fops = {
+       .owner          = THIS_MODULE,
+       .open           = pccard_drivers_proc_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = single_release,
+};
+#endif
+
+
+#ifdef CONFIG_PCMCIA_PROBE
+
+static int adjust_irq(struct pcmcia_socket *s, adjust_t *adj)
+{
+       int irq;
+       u32 mask;
+
+       irq = adj->resource.irq.IRQ;
+       if ((irq < 0) || (irq > 15))
+               return -EINVAL;
+
+       if (adj->Action != REMOVE_MANAGED_RESOURCE)
+               return 0;
+
+       mask = 1 << irq;
+
+       if (!(s->irq_mask & mask))
+               return 0;
+
+       s->irq_mask &= ~mask;
+
+       return 0;
+}
 
+#else
+
+static inline int adjust_irq(struct pcmcia_socket *s, adjust_t *adj)
+{
        return 0;
 }
 
-static int proc_read_drivers(char *buf, char **start, off_t pos,
-                            int count, int *eof, void *data)
+#endif
+
+static int pcmcia_adjust_resource_info(adjust_t *adj)
 {
-       char *p = buf;
+       struct pcmcia_socket *s;
+       int ret = -ENOSYS;
+
+       down_read(&pcmcia_socket_list_rwsem);
+       list_for_each_entry(s, &pcmcia_socket_list, socket_list) {
 
-       bus_for_each_drv(&pcmcia_bus_type, NULL,
-                        (void *) &p, proc_read_drivers_callback);
+               if (adj->Resource == RES_IRQ)
+                       ret = adjust_irq(s, adj);
 
-       return (p - buf);
+               else if (s->resource_ops->add_io) {
+                       unsigned long begin, end;
+
+                       /* you can't use the old interface if the new
+                        * one was used before */
+                       mutex_lock(&s->ops_mutex);
+                       if ((s->resource_setup_new) &&
+                           !(s->resource_setup_old)) {
+                               mutex_unlock(&s->ops_mutex);
+                               continue;
+                       } else if (!(s->resource_setup_old))
+                               s->resource_setup_old = 1;
+
+                       switch (adj->Resource) {
+                       case RES_MEMORY_RANGE:
+                               begin = adj->resource.memory.Base;
+                               end = adj->resource.memory.Base + adj->resource.memory.Size - 1;
+                               if (s->resource_ops->add_mem)
+                                       ret = s->resource_ops->add_mem(s, adj->Action, begin, end);
+                       case RES_IO_RANGE:
+                               begin = adj->resource.io.BasePort;
+                               end = adj->resource.io.BasePort + adj->resource.io.NumPorts - 1;
+                               if (s->resource_ops->add_io)
+                                       ret = s->resource_ops->add_io(s, adj->Action, begin, end);
+                       }
+                       if (!ret) {
+                               /* as there's no way we know this is the
+                                * last call to adjust_resource_info, we
+                                * always need to assume this is the latest
+                                * one... */
+                               s->resource_setup_done = 1;
+                       }
+                       mutex_unlock(&s->ops_mutex);
+               }
+       }
+       up_read(&pcmcia_socket_list_rwsem);
+
+       return ret;
 }
+
+
+/** pcmcia_get_window
+ */
+static int pcmcia_get_window(struct pcmcia_socket *s, window_handle_t *wh_out,
+                       window_handle_t wh, win_req_t *req)
+{
+       pccard_mem_map *win;
+       window_handle_t w;
+
+       wh--;
+       if (!s || !(s->state & SOCKET_PRESENT))
+               return -ENODEV;
+       if (wh >= MAX_WIN)
+               return -EINVAL;
+       for (w = wh; w < MAX_WIN; w++)
+               if (s->state & SOCKET_WIN_REQ(w))
+                       break;
+       if (w == MAX_WIN)
+               return -EINVAL;
+       win = &s->win[w];
+       req->Base = win->res->start;
+       req->Size = win->res->end - win->res->start + 1;
+       req->AccessSpeed = win->speed;
+       req->Attributes = 0;
+       if (win->flags & MAP_ATTRIB)
+               req->Attributes |= WIN_MEMORY_TYPE_AM;
+       if (win->flags & MAP_ACTIVE)
+               req->Attributes |= WIN_ENABLE;
+       if (win->flags & MAP_16BIT)
+               req->Attributes |= WIN_DATA_WIDTH_16;
+       if (win->flags & MAP_USE_WAIT)
+               req->Attributes |= WIN_USE_WAIT;
+
+       *wh_out = w + 1;
+       return 0;
+} /* pcmcia_get_window */
+
+
+/** pcmcia_get_mem_page
+ *
+ * Change the card address of an already open memory window.
+ */
+static int pcmcia_get_mem_page(struct pcmcia_socket *skt, window_handle_t wh,
+                       memreq_t *req)
+{
+       wh--;
+       if (wh >= MAX_WIN)
+               return -EINVAL;
+
+       req->Page = 0;
+       req->CardOffset = skt->win[wh].card_start;
+       return 0;
+} /* pcmcia_get_mem_page */
+
+
+/** pccard_get_status
+ *
+ * Get the current socket state bits.  We don't support the latched
+ * SocketState yet: I haven't seen any point for it.
+ */
+
+static int pccard_get_status(struct pcmcia_socket *s,
+                            struct pcmcia_device *p_dev,
+                            cs_status_t *status)
+{
+       config_t *c;
+       int val;
+
+       s->ops->get_status(s, &val);
+       status->CardState = status->SocketState = 0;
+       status->CardState |= (val & SS_DETECT) ? CS_EVENT_CARD_DETECT : 0;
+       status->CardState |= (val & SS_CARDBUS) ? CS_EVENT_CB_DETECT : 0;
+       status->CardState |= (val & SS_3VCARD) ? CS_EVENT_3VCARD : 0;
+       status->CardState |= (val & SS_XVCARD) ? CS_EVENT_XVCARD : 0;
+       if (s->state & SOCKET_SUSPEND)
+               status->CardState |= CS_EVENT_PM_SUSPEND;
+       if (!(s->state & SOCKET_PRESENT))
+               return -ENODEV;
+
+       c = (p_dev) ? p_dev->function_config : NULL;
+
+       if ((c != NULL) && (c->state & CONFIG_LOCKED) &&
+           (c->IntType & (INT_MEMORY_AND_IO | INT_ZOOMED_VIDEO))) {
+               u_char reg;
+               if (c->CardValues & PRESENT_PIN_REPLACE) {
+                       pcmcia_read_cis_mem(s, 1, (c->ConfigBase+CISREG_PRR)>>1, 1, &reg);
+                       status->CardState |=
+                               (reg & PRR_WP_STATUS) ? CS_EVENT_WRITE_PROTECT : 0;
+                       status->CardState |=
+                               (reg & PRR_READY_STATUS) ? CS_EVENT_READY_CHANGE : 0;
+                       status->CardState |=
+                               (reg & PRR_BVD2_STATUS) ? CS_EVENT_BATTERY_LOW : 0;
+                       status->CardState |=
+                               (reg & PRR_BVD1_STATUS) ? CS_EVENT_BATTERY_DEAD : 0;
+               } else {
+                       /* No PRR?  Then assume we're always ready */
+                       status->CardState |= CS_EVENT_READY_CHANGE;
+               }
+               if (c->CardValues & PRESENT_EXT_STATUS) {
+                       pcmcia_read_cis_mem(s, 1, (c->ConfigBase+CISREG_ESR)>>1, 1, &reg);
+                       status->CardState |=
+                               (reg & ESR_REQ_ATTN) ? CS_EVENT_REQUEST_ATTENTION : 0;
+               }
+               return 0;
+       }
+       status->CardState |=
+               (val & SS_WRPROT) ? CS_EVENT_WRITE_PROTECT : 0;
+       status->CardState |=
+               (val & SS_BATDEAD) ? CS_EVENT_BATTERY_DEAD : 0;
+       status->CardState |=
+               (val & SS_BATWARN) ? CS_EVENT_BATTERY_LOW : 0;
+       status->CardState |=
+               (val & SS_READY) ? CS_EVENT_READY_CHANGE : 0;
+       return 0;
+} /* pccard_get_status */
+
+static int pccard_get_configuration_info(struct pcmcia_socket *s,
+                                 struct pcmcia_device *p_dev,
+                                 config_info_t *config)
+{
+       config_t *c;
+
+       if (!(s->state & SOCKET_PRESENT))
+               return -ENODEV;
+
+
+#ifdef CONFIG_CARDBUS
+       if (s->state & SOCKET_CARDBUS) {
+               memset(config, 0, sizeof(config_info_t));
+               config->Vcc = s->socket.Vcc;
+               config->Vpp1 = config->Vpp2 = s->socket.Vpp;
+               config->Option = s->cb_dev->subordinate->number;
+               if (s->state & SOCKET_CARDBUS_CONFIG) {
+                       config->Attributes = CONF_VALID_CLIENT;
+                       config->IntType = INT_CARDBUS;
+                       config->AssignedIRQ = s->irq.AssignedIRQ;
+                       if (config->AssignedIRQ)
+                               config->Attributes |= CONF_ENABLE_IRQ;
+                       if (s->io[0].res) {
+                               config->BasePort1 = s->io[0].res->start;
+                               config->NumPorts1 = s->io[0].res->end -
+                                       config->BasePort1 + 1;
+                       }
+               }
+               return 0;
+       }
 #endif
 
+       if (p_dev) {
+               c = p_dev->function_config;
+               config->Function = p_dev->func;
+       } else {
+               c = NULL;
+               config->Function = 0;
+       }
+
+       if ((c == NULL) || !(c->state & CONFIG_LOCKED)) {
+               config->Attributes = 0;
+               config->Vcc = s->socket.Vcc;
+               config->Vpp1 = config->Vpp2 = s->socket.Vpp;
+               return 0;
+       }
+
+       config->Attributes = c->Attributes | CONF_VALID_CLIENT;
+       config->Vcc = s->socket.Vcc;
+       config->Vpp1 = config->Vpp2 = s->socket.Vpp;
+       config->IntType = c->IntType;
+       config->ConfigBase = c->ConfigBase;
+       config->Status = c->Status;
+       config->Pin = c->Pin;
+       config->Copy = c->Copy;
+       config->Option = c->Option;
+       config->ExtStatus = c->ExtStatus;
+       config->Present = config->CardValues = c->CardValues;
+       config->IRQAttributes = c->irq.Attributes;
+       config->AssignedIRQ = s->irq.AssignedIRQ;
+       config->BasePort1 = c->io.BasePort1;
+       config->NumPorts1 = c->io.NumPorts1;
+       config->Attributes1 = c->io.Attributes1;
+       config->BasePort2 = c->io.BasePort2;
+       config->NumPorts2 = c->io.NumPorts2;
+       config->Attributes2 = c->io.Attributes2;
+       config->IOAddrLines = c->io.IOAddrLines;
+
+       return 0;
+} /* pccard_get_configuration_info */
+
+
 /*======================================================================
 
     These manage a ring buffer of events pending for one user process
@@ -200,13 +467,12 @@ static int bind_request(struct pcmcia_socket *s, bind_info_t *bind_info)
        struct pcmcia_driver *p_drv;
        struct pcmcia_device *p_dev;
        int ret = 0;
-       unsigned long flags;
 
        s = pcmcia_get_socket(s);
        if (!s)
                return -EINVAL;
 
-       ds_dbg(2, "bind_request(%d, '%s')\n", s->sock,
+       pr_debug("bind_request(%d, '%s')\n", s->sock,
               (char *)bind_info->dev_info);
 
        p_drv = get_pcmcia_driver(&bind_info->dev_info);
@@ -220,8 +486,8 @@ static int bind_request(struct pcmcia_socket *s, bind_info_t *bind_info)
                goto err_put_driver;
        }
 
-       spin_lock_irqsave(&pcmcia_dev_list_lock, flags);
-        list_for_each_entry(p_dev, &s->devices_list, socket_device_list) {
+       mutex_lock(&s->ops_mutex);
+       list_for_each_entry(p_dev, &s->devices_list, socket_device_list) {
                if (p_dev->func == bind_info->function) {
                        if ((p_dev->dev.driver == &p_drv->drv)) {
                                if (p_dev->cardmgr) {
@@ -229,15 +495,15 @@ static int bind_request(struct pcmcia_socket *s, bind_info_t *bind_info)
                                         * registered, and it was registered
                                         * by userspace before, we need to
                                         * return the "instance". */
-                                       spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
-                                       bind_info->instance = p_dev->instance;
+                                       mutex_unlock(&s->ops_mutex);
+                                       bind_info->instance = p_dev;
                                        ret = -EBUSY;
                                        goto err_put_module;
                                } else {
                                        /* the correct driver managed to bind
                                         * itself magically to the correct
                                         * device. */
-                                       spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
+                                       mutex_unlock(&s->ops_mutex);
                                        p_dev->cardmgr = p_drv;
                                        ret = 0;
                                        goto err_put_module;
@@ -246,12 +512,12 @@ static int bind_request(struct pcmcia_socket *s, bind_info_t *bind_info)
                                /* there's already a device available where
                                 * no device has been bound to yet. So we don't
                                 * need to register a device! */
-                               spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
+                               mutex_unlock(&s->ops_mutex);
                                goto rescan;
                        }
                }
        }
-       spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
+       mutex_unlock(&s->ops_mutex);
 
        p_dev = pcmcia_device_add(s, bind_info->function);
        if (!p_dev) {
@@ -270,8 +536,10 @@ rescan:
         * Prevent this racing with a card insertion.
         */
        mutex_lock(&s->skt_mutex);
-       bus_rescan_devices(&pcmcia_bus_type);
+       ret = bus_rescan_devices(&pcmcia_bus_type);
        mutex_unlock(&s->skt_mutex);
+       if (ret)
+               goto err_put_module;
 
        /* check whether the driver indeed matched. I don't care if this
         * is racy or not, because it can only happen on cardmgr access
@@ -287,7 +555,7 @@ rescan:
  err_put:
        pcmcia_put_socket(s);
 
-       return (ret);
+       return ret;
 } /* bind_request */
 
 #ifdef CONFIG_CARDBUS
@@ -305,7 +573,7 @@ static int get_device_info(struct pcmcia_socket *s, bind_info_t *bind_info, int
 {
        dev_node_t *node;
        struct pcmcia_device *p_dev;
-       unsigned long flags;
+       struct pcmcia_driver *p_drv;
        int ret = 0;
 
 #ifdef CONFIG_CARDBUS
@@ -344,7 +612,7 @@ static int get_device_info(struct pcmcia_socket *s, bind_info_t *bind_info, int
        }
 #endif
 
-       spin_lock_irqsave(&pcmcia_dev_list_lock, flags);
+       mutex_lock(&s->ops_mutex);
        list_for_each_entry(p_dev, &s->devices_list, socket_device_list) {
                if (p_dev->func == bind_info->function) {
                        p_dev = pcmcia_get_dev(p_dev);
@@ -353,22 +621,22 @@ static int get_device_info(struct pcmcia_socket *s, bind_info_t *bind_info, int
                        goto found;
                }
        }
-       spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
+       mutex_unlock(&s->ops_mutex);
        return -ENODEV;
 
  found:
-       spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
+       mutex_unlock(&s->ops_mutex);
 
-       if ((!p_dev->instance) ||
-           (p_dev->instance->state & DEV_CONFIG_PENDING)) {
+       p_drv = to_pcmcia_drv(p_dev->dev.driver);
+       if (p_drv && !p_dev->_locked) {
                ret = -EAGAIN;
                goto err_put;
        }
 
        if (first)
-               node = p_dev->instance->dev;
+               node = p_dev->dev_node;
        else
-               for (node = p_dev->instance->dev; node; node = node->next)
+               for (node = p_dev->dev_node; node; node = node->next)
                        if (node == bind_info->next)
                                break;
        if (!node) {
@@ -383,7 +651,7 @@ static int get_device_info(struct pcmcia_socket *s, bind_info_t *bind_info, int
 
  err_put:
        pcmcia_put_dev(p_dev);
-       return (ret);
+       return ret;
 } /* get_device_info */
 
 
@@ -392,21 +660,28 @@ static int ds_open(struct inode *inode, struct file *file)
     socket_t i = iminor(inode);
     struct pcmcia_socket *s;
     user_info_t *user;
-    static int warning_printed = 0;
+    static int warning_printed;
+    int ret = 0;
 
-    ds_dbg(0, "ds_open(socket %d)\n", i);
+    pr_debug("ds_open(socket %d)\n", i);
 
+    lock_kernel();
     s = pcmcia_get_socket_by_nr(i);
-    if (!s)
-           return -ENODEV;
+    if (!s) {
+           ret = -ENODEV;
+           goto out;
+    }
     s = pcmcia_get_socket(s);
-    if (!s)
-           return -ENODEV;
+    if (!s) {
+           ret = -ENODEV;
+           goto out;
+    }
 
     if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
            if (s->pcmcia_state.busy) {
                    pcmcia_put_socket(s);
-                   return -EBUSY;
+                   ret = -EBUSY;
+                   goto out;
            }
        else
            s->pcmcia_state.busy = 1;
@@ -415,7 +690,8 @@ static int ds_open(struct inode *inode, struct file *file)
     user = kmalloc(sizeof(user_info_t), GFP_KERNEL);
     if (!user) {
            pcmcia_put_socket(s);
-           return -ENOMEM;
+           ret = -ENOMEM;
+           goto out;
     }
     user->event_tail = user->event_head = 0;
     user->next = s->user;
@@ -426,7 +702,7 @@ static int ds_open(struct inode *inode, struct file *file)
 
     if (!warning_printed) {
            printk(KERN_INFO "pcmcia: Detected deprecated PCMCIA ioctl "
-                       "usage.\n");
+                       "usage from process: %s.\n", current->comm);
            printk(KERN_INFO "pcmcia: This interface will soon be removed from "
                        "the kernel; please expect breakage unless you upgrade "
                        "to new tools.\n");
@@ -435,9 +711,11 @@ static int ds_open(struct inode *inode, struct file *file)
            warning_printed = 1;
     }
 
-    if (s->pcmcia_state.present)
+    if (atomic_read(&s->present))
        queue_event(user, CS_EVENT_CARD_INSERTION);
-    return 0;
+out:
+    unlock_kernel();
+    return ret;
 } /* ds_open */
 
 /*====================================================================*/
@@ -447,7 +725,7 @@ static int ds_release(struct inode *inode, struct file *file)
     struct pcmcia_socket *s;
     user_info_t *user, **link;
 
-    ds_dbg(0, "ds_release(socket %d)\n", iminor(inode));
+    pr_debug("ds_release(socket %d)\n", iminor(inode));
 
     user = file->private_data;
     if (CHECK_USER(user))
@@ -456,12 +734,13 @@ static int ds_release(struct inode *inode, struct file *file)
     s = user->socket;
 
     /* Unlink user data structure */
-    if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
+    if ((file->f_flags & O_ACCMODE) != O_RDONLY)
        s->pcmcia_state.busy = 0;
-    }
+
     file->private_data = NULL;
     for (link = &s->user; *link; link = &(*link)->next)
-       if (*link == user) break;
+       if (*link == user)
+               break;
     if (link == NULL)
        goto out;
     *link = user->next;
@@ -481,7 +760,7 @@ static ssize_t ds_read(struct file *file, char __user *buf,
     user_info_t *user;
     int ret;
 
-    ds_dbg(2, "ds_read(socket %d)\n", iminor(file->f_dentry->d_inode));
+    pr_debug("ds_read(socket %d)\n", iminor(file->f_path.dentry->d_inode));
 
     if (count < 4)
        return -EINVAL;
@@ -491,9 +770,6 @@ static ssize_t ds_read(struct file *file, char __user *buf,
        return -EIO;
 
     s = user->socket;
-    if (s->pcmcia_state.dead)
-        return -EIO;
-
     ret = wait_event_interruptible(s->queue, !queue_empty(user));
     if (ret == 0)
        ret = put_user(get_queued_event(user), (int __user *)buf) ? -EFAULT : 4;
@@ -506,7 +782,7 @@ static ssize_t ds_read(struct file *file, char __user *buf,
 static ssize_t ds_write(struct file *file, const char __user *buf,
                        size_t count, loff_t *ppos)
 {
-    ds_dbg(2, "ds_write(socket %d)\n", iminor(file->f_dentry->d_inode));
+    pr_debug("ds_write(socket %d)\n", iminor(file->f_path.dentry->d_inode));
 
     if (count != 4)
        return -EINVAL;
@@ -524,7 +800,7 @@ static u_int ds_poll(struct file *file, poll_table *wait)
     struct pcmcia_socket *s;
     user_info_t *user;
 
-    ds_dbg(2, "ds_poll(socket %d)\n", iminor(file->f_dentry->d_inode));
+    pr_debug("ds_poll(socket %d)\n", iminor(file->f_path.dentry->d_inode));
 
     user = file->private_data;
     if (CHECK_USER(user))
@@ -542,10 +818,7 @@ static u_int ds_poll(struct file *file, poll_table *wait)
 
 /*====================================================================*/
 
-extern int pcmcia_adjust_resource_info(adjust_t *adj);
-
-static int ds_ioctl(struct inode * inode, struct file * file,
-                   u_int cmd, u_long arg)
+static int ds_ioctl(struct file *file, u_int cmd, u_long arg)
 {
     struct pcmcia_socket *s;
     void __user *uarg = (char __user *)arg;
@@ -554,18 +827,17 @@ static int ds_ioctl(struct inode * inode, struct file * file,
     ds_ioctl_arg_t *buf;
     user_info_t *user;
 
-    ds_dbg(2, "ds_ioctl(socket %d, %#x, %#lx)\n", iminor(inode), cmd, arg);
+    pr_debug("ds_ioctl(socket %d, %#x, %#lx)\n", iminor(inode), cmd, arg);
 
     user = file->private_data;
     if (CHECK_USER(user))
        return -EIO;
 
     s = user->socket;
-    if (s->pcmcia_state.dead)
-        return -EIO;
 
     size = (cmd & IOCSIZE_MASK) >> IOCSIZE_SHIFT;
-    if (size > sizeof(ds_ioctl_arg_t)) return -EINVAL;
+    if (size > sizeof(ds_ioctl_arg_t))
+       return -EINVAL;
 
     /* Permission check */
     if (!(cmd & IOC_OUT) && !capable(CAP_SYS_ADMIN))
@@ -573,13 +845,13 @@ static int ds_ioctl(struct inode * inode, struct file * file,
 
     if (cmd & IOC_IN) {
        if (!access_ok(VERIFY_READ, uarg, size)) {
-           ds_dbg(3, "ds_ioctl(): verify_read = %d\n", -EFAULT);
+           pr_debug("ds_ioctl(): verify_read = %d\n", -EFAULT);
            return -EFAULT;
        }
     }
     if (cmd & IOC_OUT) {
        if (!access_ok(VERIFY_WRITE, uarg, size)) {
-           ds_dbg(3, "ds_ioctl(): verify_write = %d\n", -EFAULT);
+           pr_debug("ds_ioctl(): verify_write = %d\n", -EFAULT);
            return -EFAULT;
        }
     }
@@ -589,7 +861,12 @@ static int ds_ioctl(struct inode * inode, struct file * file,
 
     err = ret = 0;
 
-    if (cmd & IOC_IN) __copy_from_user((char *)buf, uarg, size);
+    if (cmd & IOC_IN) {
+       if (__copy_from_user((char *)buf, uarg, size)) {
+           err = -EFAULT;
+           goto free_out;
+       }
+    }
 
     switch (cmd) {
     case DS_ADJUST_RESOURCE_INFO:
@@ -598,7 +875,7 @@ static int ds_ioctl(struct inode * inode, struct file * file,
     case DS_GET_CONFIGURATION_INFO:
        if (buf->config.Function &&
           (buf->config.Function >= s->functions))
-           ret = CS_BAD_ARGS;
+           ret = -EINVAL;
        else {
            struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->config.Function);
            ret = pccard_get_configuration_info(s, p_dev, &buf->config);
@@ -621,15 +898,15 @@ static int ds_ioctl(struct inode * inode, struct file * file,
        break;
     case DS_PARSE_TUPLE:
        buf->tuple.TupleData = buf->tuple_parse.data;
-       ret = pccard_parse_tuple(&buf->tuple, &buf->tuple_parse.parse);
+       ret = pcmcia_parse_tuple(&buf->tuple, &buf->tuple_parse.parse);
        break;
     case DS_RESET_CARD:
-       ret = pccard_reset_card(s);
+       ret = pcmcia_reset_card(s);
        break;
     case DS_GET_STATUS:
            if (buf->status.Function &&
                (buf->status.Function >= s->functions))
-                   ret = CS_BAD_ARGS;
+                   ret = -EINVAL;
            else {
                    struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->status.Function);
                    ret = pccard_get_status(s, p_dev, &buf->status);
@@ -640,19 +917,19 @@ static int ds_ioctl(struct inode * inode, struct file * file,
        mutex_lock(&s->skt_mutex);
        pcmcia_validate_mem(s);
        mutex_unlock(&s->skt_mutex);
-       ret = pccard_validate_cis(s, BIND_FN_ALL, &buf->cisinfo);
+       ret = pccard_validate_cis(s, &buf->cisinfo.Chains);
        break;
     case DS_SUSPEND_CARD:
-       ret = pcmcia_suspend_card(s);
+       pcmcia_parse_uevents(s, PCMCIA_UEVENT_SUSPEND);
        break;
     case DS_RESUME_CARD:
-       ret = pcmcia_resume_card(s);
+       pcmcia_parse_uevents(s, PCMCIA_UEVENT_RESUME);
        break;
     case DS_EJECT_CARD:
-       err = pcmcia_eject_card(s);
+       pcmcia_parse_uevents(s, PCMCIA_UEVENT_EJECT);
        break;
     case DS_INSERT_CARD:
-       err = pcmcia_insert_card(s);
+       pcmcia_parse_uevents(s, PCMCIA_UEVENT_INSERT);
        break;
     case DS_ACCESS_CONFIGURATION_REGISTER:
        if ((buf->conf_reg.Action == CS_WRITE) && !capable(CAP_SYS_ADMIN)) {
@@ -660,14 +937,15 @@ static int ds_ioctl(struct inode * inode, struct file * file,
            goto free_out;
        }
 
-       ret = CS_BAD_ARGS;
+       ret = -EINVAL;
 
        if (!(buf->conf_reg.Function &&
             (buf->conf_reg.Function >= s->functions))) {
                struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->conf_reg.Function);
-               if (p_dev)
+               if (p_dev) {
                        ret = pcmcia_access_configuration_register(p_dev, &buf->conf_reg);
-               pcmcia_put_dev(p_dev);
+                       pcmcia_put_dev(p_dev);
+               }
        }
        break;
     case DS_GET_FIRST_REGION:
@@ -677,30 +955,27 @@ static int ds_ioctl(struct inode * inode, struct file * file,
                err = -EPERM;
                goto free_out;
        } else {
-               static int printed = 0;
-               if (!printed) {
-                       printk(KERN_WARNING "2.6. kernels use pcmciamtd instead of memory_cs.c and do not require special\n");
-                       printk(KERN_WARNING "MTD handling any more.\n");
-                       printed++;
-               }
+                       printk_once(KERN_WARNING
+                               "2.6. kernels use pcmciamtd instead of memory_cs.c and do not require special\n");
+                       printk_once(KERN_WARNING "MTD handling any more.\n");
        }
        err = -EINVAL;
        goto free_out;
        break;
     case DS_GET_FIRST_WINDOW:
-       ret = pcmcia_get_window(s, &buf->win_info.handle, 0,
+       ret = pcmcia_get_window(s, &buf->win_info.handle, 1,
                        &buf->win_info.window);
        break;
     case DS_GET_NEXT_WINDOW:
        ret = pcmcia_get_window(s, &buf->win_info.handle,
-                       buf->win_info.handle->index + 1, &buf->win_info.window);
+                       buf->win_info.handle + 1, &buf->win_info.window);
        break;
     case DS_GET_MEM_PAGE:
-       ret = pcmcia_get_mem_page(buf->win_info.handle,
+       ret = pcmcia_get_mem_page(s, buf->win_info.handle,
                           &buf->win_info.map);
        break;
     case DS_REPLACE_CIS:
-       ret = pcmcia_replace_cis(s, &buf->cisdump);
+       ret = pcmcia_replace_cis(s, buf->cisdump.Data, buf->cisdump.Length);
        break;
     case DS_BIND_REQUEST:
        if (!capable(CAP_SYS_ADMIN)) {
@@ -722,30 +997,27 @@ static int ds_ioctl(struct inode * inode, struct file * file,
        err = -EINVAL;
     }
 
-    if ((err == 0) && (ret != CS_SUCCESS)) {
-       ds_dbg(2, "ds_ioctl: ret = %d\n", ret);
+    if ((err == 0) && (ret != 0)) {
+       pr_debug("ds_ioctl: ret = %d\n", ret);
        switch (ret) {
-       case CS_BAD_SOCKET: case CS_NO_CARD:
-           err = -ENODEV; break;
-       case CS_BAD_ARGS: case CS_BAD_ATTRIBUTE: case CS_BAD_IRQ:
-       case CS_BAD_TUPLE:
-           err = -EINVAL; break;
-       case CS_IN_USE:
-           err = -EBUSY; break;
-       case CS_OUT_OF_RESOURCE:
+       case -ENODEV:
+       case -EINVAL:
+       case -EBUSY:
+       case -ENOSYS:
+           err = ret;
+           break;
+       case -ENOMEM:
            err = -ENOSPC; break;
-       case CS_NO_MORE_ITEMS:
+       case -ENOSPC:
            err = -ENODATA; break;
-       case CS_UNSUPPORTED_FUNCTION:
-           err = -ENOSYS; break;
        default:
            err = -EIO; break;
        }
     }
 
     if (cmd & IOC_OUT) {
-        if (__copy_to_user(uarg, (char *)buf, size))
-            err = -EFAULT;
+       if (__copy_to_user(uarg, (char *)buf, size))
+               err = -EFAULT;
     }
 
 free_out:
@@ -753,19 +1025,32 @@ free_out:
     return err;
 } /* ds_ioctl */
 
+static long ds_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+       int ret;
+
+       lock_kernel();
+       ret = ds_ioctl(file, cmd, arg);
+       unlock_kernel();
+
+       return ret;
+}
+
+
 /*====================================================================*/
 
-static struct file_operations ds_fops = {
+static const struct file_operations ds_fops = {
        .owner          = THIS_MODULE,
        .open           = ds_open,
        .release        = ds_release,
-       .ioctl          = ds_ioctl,
+       .unlocked_ioctl = ds_unlocked_ioctl,
        .read           = ds_read,
        .write          = ds_write,
        .poll           = ds_poll,
 };
 
-void __init pcmcia_setup_ioctl(void) {
+void __init pcmcia_setup_ioctl(void)
+{
        int i;
 
        /* Set up character device for user mode clients */
@@ -777,18 +1062,19 @@ void __init pcmcia_setup_ioctl(void) {
                major_dev = i;
 
 #ifdef CONFIG_PROC_FS
-       proc_pccard = proc_mkdir("pccard", proc_bus);
+       proc_pccard = proc_mkdir("bus/pccard", NULL);
        if (proc_pccard)
-               create_proc_read_entry("drivers",0,proc_pccard,proc_read_drivers,NULL);
+               proc_create("drivers", 0, proc_pccard, &pccard_drivers_proc_fops);
 #endif
 }
 
 
-void __exit pcmcia_cleanup_ioctl(void) {
+void __exit pcmcia_cleanup_ioctl(void)
+{
 #ifdef CONFIG_PROC_FS
        if (proc_pccard) {
                remove_proc_entry("drivers", proc_pccard);
-               remove_proc_entry("pccard", proc_bus);
+               remove_proc_entry("bus/pccard", NULL);
        }
 #endif
        if (major_dev != -1)