*/
-#include <linux/config.h>
+#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/moduleparam.h>
#include <linux/init.h>
-#include <linux/kernel.h>
#include <linux/major.h>
-#include <linux/string.h>
#include <linux/errno.h>
-#include <linux/slab.h>
-#include <linux/mm.h>
-#include <linux/fcntl.h>
-#include <linux/sched.h>
-#include <linux/smp_lock.h>
-#include <linux/timer.h>
#include <linux/ioctl.h>
#include <linux/proc_fs.h>
#include <linux/poll.h>
#include <linux/pci.h>
-#include <linux/list.h>
-#include <linux/delay.h>
-#include <linux/kref.h>
#include <linux/workqueue.h>
-#include <linux/crc32.h>
-
-#include <asm/atomic.h>
#define IN_CARD_SERVICES
-#include <pcmcia/version.h>
#include <pcmcia/cs_types.h>
#include <pcmcia/cs.h>
-#include <pcmcia/bulkmem.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/ds.h>
#include <pcmcia/ss.h>
int event_head, event_tail;
event_t event[MAX_EVENTS];
struct user_info_t *next;
- struct pcmcia_bus_socket *socket;
+ struct pcmcia_socket *socket;
} 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) \
#define ds_dbg(lvl, fmt, arg...) do { } while (0)
#endif
-
-static struct pcmcia_bus_socket * get_socket_info_by_nr(unsigned int nr)
+static struct pcmcia_device *get_pcmcia_device(struct pcmcia_socket *s,
+ unsigned int function)
{
- struct pcmcia_socket * s = pcmcia_get_socket_by_nr(nr);
- if (s && s->pcmcia)
- return s->pcmcia;
- else
- return NULL;
+ struct pcmcia_device *p_dev = NULL;
+ unsigned long flags;
+
+ spin_lock_irqsave(&pcmcia_dev_list_lock, flags);
+ 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);
+ return pcmcia_get_dev(p_dev);
+ }
+ }
+ spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
+ return NULL;
}
/* backwards-compatible accessing of driver --- by name! */
-static struct pcmcia_driver * get_pcmcia_driver (dev_info_t *dev_info)
+static struct pcmcia_driver *get_pcmcia_driver(dev_info_t *dev_info)
{
struct device_driver *drv;
struct pcmcia_driver *p_drv;
int count, int *eof, void *data)
{
char *p = buf;
+ int rc;
- bus_for_each_drv(&pcmcia_bus_type, NULL,
- (void *) &p, proc_read_drivers_callback);
+ rc = bus_for_each_drv(&pcmcia_bus_type, NULL,
+ (void *) &p, proc_read_drivers_callback);
+ if (rc < 0)
+ return rc;
return (p - buf);
}
user->event[user->event_head] = event;
}
-void handle_event(struct pcmcia_bus_socket *s, event_t event)
+void handle_event(struct pcmcia_socket *s, event_t event)
{
user_info_t *user;
for (user = s->user; user; user = user->next)
======================================================================*/
-static int bind_request(struct pcmcia_bus_socket *s, bind_info_t *bind_info)
+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_bus_socket(s);
+ s = pcmcia_get_socket(s);
if (!s)
return -EINVAL;
- ds_dbg(2, "bind_request(%d, '%s')\n", s->parent->sock,
+ ds_dbg(2, "bind_request(%d, '%s')\n", s->sock,
(char *)bind_info->dev_info);
p_drv = get_pcmcia_driver(&bind_info->dev_info);
* by userspace before, we need to
* return the "instance". */
spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
- bind_info->instance = p_dev->instance;
+ bind_info->instance = p_dev;
ret = -EBUSY;
goto err_put_module;
} else {
/*
* Prevent this racing with a card insertion.
*/
- down(&s->parent->skt_sem);
- bus_rescan_devices(&pcmcia_bus_type);
- up(&s->parent->skt_sem);
+ mutex_lock(&s->skt_mutex);
+ 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
err_put_driver:
put_driver(&p_drv->drv);
err_put:
- pcmcia_put_bus_socket(s);
+ pcmcia_put_socket(s);
return (ret);
} /* bind_request */
+#ifdef CONFIG_CARDBUS
+
+static struct pci_bus *pcmcia_lookup_bus(struct pcmcia_socket *s)
+{
+ if (!s || !(s->state & SOCKET_CARDBUS))
+ return NULL;
-extern struct pci_bus *pcmcia_lookup_bus(struct pcmcia_socket *s);
+ return s->cb_dev->subordinate;
+}
+#endif
-static int get_device_info(struct pcmcia_bus_socket *s, bind_info_t *bind_info, int first)
+static int get_device_info(struct pcmcia_socket *s, bind_info_t *bind_info, int first)
{
dev_node_t *node;
struct pcmcia_device *p_dev;
+ struct pcmcia_driver *p_drv;
unsigned long flags;
int ret = 0;
{
struct pci_bus *bus;
- bus = pcmcia_lookup_bus(s->parent);
+ bus = pcmcia_lookup_bus(s);
if (bus) {
struct list_head *list;
struct pci_dev *dev = NULL;
found:
spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
- 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) {
static int ds_open(struct inode *inode, struct file *file)
{
socket_t i = iminor(inode);
- struct pcmcia_bus_socket *s;
+ struct pcmcia_socket *s;
user_info_t *user;
+ static int warning_printed = 0;
ds_dbg(0, "ds_open(socket %d)\n", i);
- s = get_socket_info_by_nr(i);
+ s = pcmcia_get_socket_by_nr(i);
if (!s)
return -ENODEV;
- s = pcmcia_get_bus_socket(s);
+ s = pcmcia_get_socket(s);
if (!s)
return -ENODEV;
if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
- if (s->state & DS_SOCKET_BUSY) {
- pcmcia_put_bus_socket(s);
+ if (s->pcmcia_state.busy) {
+ pcmcia_put_socket(s);
return -EBUSY;
}
else
- s->state |= DS_SOCKET_BUSY;
+ s->pcmcia_state.busy = 1;
}
user = kmalloc(sizeof(user_info_t), GFP_KERNEL);
if (!user) {
- pcmcia_put_bus_socket(s);
+ pcmcia_put_socket(s);
return -ENOMEM;
}
user->event_tail = user->event_head = 0;
s->user = user;
file->private_data = user;
- if (s->state & DS_SOCKET_PRESENT)
+ if (!warning_printed) {
+ printk(KERN_INFO "pcmcia: Detected deprecated PCMCIA ioctl "
+ "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");
+ printk(KERN_INFO "pcmcia: see http://www.kernel.org/pub/linux/"
+ "utils/kernel/pcmcia/pcmcia.html for details.\n");
+ warning_printed = 1;
+ }
+
+ if (s->pcmcia_state.present)
queue_event(user, CS_EVENT_CARD_INSERTION);
return 0;
} /* ds_open */
static int ds_release(struct inode *inode, struct file *file)
{
- struct pcmcia_bus_socket *s;
+ struct pcmcia_socket *s;
user_info_t *user, **link;
ds_dbg(0, "ds_release(socket %d)\n", iminor(inode));
/* Unlink user data structure */
if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
- s->state &= ~DS_SOCKET_BUSY;
+ s->pcmcia_state.busy = 0;
}
file->private_data = NULL;
for (link = &s->user; *link; link = &(*link)->next)
*link = user->next;
user->user_magic = 0;
kfree(user);
- pcmcia_put_bus_socket(s);
+ pcmcia_put_socket(s);
out:
return 0;
} /* ds_release */
static ssize_t ds_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
- struct pcmcia_bus_socket *s;
+ struct pcmcia_socket *s;
user_info_t *user;
int ret;
- ds_dbg(2, "ds_read(socket %d)\n", iminor(file->f_dentry->d_inode));
+ ds_dbg(2, "ds_read(socket %d)\n", iminor(file->f_path.dentry->d_inode));
if (count < 4)
return -EINVAL;
return -EIO;
s = user->socket;
- if (s->state & DS_SOCKET_DEAD)
+ if (s->pcmcia_state.dead)
return -EIO;
ret = wait_event_interruptible(s->queue, !queue_empty(user));
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));
+ ds_dbg(2, "ds_write(socket %d)\n", iminor(file->f_path.dentry->d_inode));
if (count != 4)
return -EINVAL;
/* No kernel lock - fine */
static u_int ds_poll(struct file *file, poll_table *wait)
{
- struct pcmcia_bus_socket *s;
+ struct pcmcia_socket *s;
user_info_t *user;
- ds_dbg(2, "ds_poll(socket %d)\n", iminor(file->f_dentry->d_inode));
+ ds_dbg(2, "ds_poll(socket %d)\n", iminor(file->f_path.dentry->d_inode));
user = file->private_data;
if (CHECK_USER(user))
static int ds_ioctl(struct inode * inode, struct file * file,
u_int cmd, u_long arg)
{
- struct pcmcia_bus_socket *s;
+ struct pcmcia_socket *s;
void __user *uarg = (char __user *)arg;
u_int size;
int ret, err;
return -EIO;
s = user->socket;
- if (s->state & DS_SOCKET_DEAD)
+ if (s->pcmcia_state.dead)
return -EIO;
size = (cmd & IOCSIZE_MASK) >> IOCSIZE_SHIFT;
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:
ret = pcmcia_adjust_resource_info(&buf->adjust);
break;
- case DS_GET_CARD_SERVICES_INFO:
- ret = pcmcia_get_card_services_info(&buf->servinfo);
- break;
case DS_GET_CONFIGURATION_INFO:
if (buf->config.Function &&
- (buf->config.Function >= s->parent->functions))
+ (buf->config.Function >= s->functions))
ret = CS_BAD_ARGS;
- else
- ret = pccard_get_configuration_info(s->parent,
- buf->config.Function, &buf->config);
+ else {
+ struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->config.Function);
+ ret = pccard_get_configuration_info(s, p_dev, &buf->config);
+ pcmcia_put_dev(p_dev);
+ }
break;
case DS_GET_FIRST_TUPLE:
- down(&s->parent->skt_sem);
- pcmcia_validate_mem(s->parent);
- up(&s->parent->skt_sem);
- ret = pccard_get_first_tuple(s->parent, BIND_FN_ALL, &buf->tuple);
+ mutex_lock(&s->skt_mutex);
+ pcmcia_validate_mem(s);
+ mutex_unlock(&s->skt_mutex);
+ ret = pccard_get_first_tuple(s, BIND_FN_ALL, &buf->tuple);
break;
case DS_GET_NEXT_TUPLE:
- ret = pccard_get_next_tuple(s->parent, BIND_FN_ALL, &buf->tuple);
+ ret = pccard_get_next_tuple(s, BIND_FN_ALL, &buf->tuple);
break;
case DS_GET_TUPLE_DATA:
buf->tuple.TupleData = buf->tuple_parse.data;
buf->tuple.TupleDataMax = sizeof(buf->tuple_parse.data);
- ret = pccard_get_tuple_data(s->parent, &buf->tuple);
+ ret = pccard_get_tuple_data(s, &buf->tuple);
break;
case DS_PARSE_TUPLE:
buf->tuple.TupleData = buf->tuple_parse.data;
ret = pccard_parse_tuple(&buf->tuple, &buf->tuple_parse.parse);
break;
case DS_RESET_CARD:
- ret = pccard_reset_card(s->parent);
+ ret = pccard_reset_card(s);
break;
case DS_GET_STATUS:
- if (buf->status.Function &&
- (buf->status.Function >= s->parent->functions))
- ret = CS_BAD_ARGS;
- else
- ret = pccard_get_status(s->parent, buf->status.Function, &buf->status);
- break;
+ if (buf->status.Function &&
+ (buf->status.Function >= s->functions))
+ ret = CS_BAD_ARGS;
+ else {
+ struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->status.Function);
+ ret = pccard_get_status(s, p_dev, &buf->status);
+ pcmcia_put_dev(p_dev);
+ }
+ break;
case DS_VALIDATE_CIS:
- down(&s->parent->skt_sem);
- pcmcia_validate_mem(s->parent);
- up(&s->parent->skt_sem);
- ret = pccard_validate_cis(s->parent, BIND_FN_ALL, &buf->cisinfo);
+ mutex_lock(&s->skt_mutex);
+ pcmcia_validate_mem(s);
+ mutex_unlock(&s->skt_mutex);
+ ret = pccard_validate_cis(s, BIND_FN_ALL, &buf->cisinfo);
break;
case DS_SUSPEND_CARD:
- ret = pcmcia_suspend_card(s->parent);
+ ret = pcmcia_suspend_card(s);
break;
case DS_RESUME_CARD:
- ret = pcmcia_resume_card(s->parent);
+ ret = pcmcia_resume_card(s);
break;
case DS_EJECT_CARD:
- err = pcmcia_eject_card(s->parent);
+ err = pcmcia_eject_card(s);
break;
case DS_INSERT_CARD:
- err = pcmcia_insert_card(s->parent);
+ err = pcmcia_insert_card(s);
break;
case DS_ACCESS_CONFIGURATION_REGISTER:
if ((buf->conf_reg.Action == CS_WRITE) && !capable(CAP_SYS_ADMIN)) {
err = -EPERM;
goto free_out;
}
- if (buf->conf_reg.Function &&
- (buf->conf_reg.Function >= s->parent->functions))
- ret = CS_BAD_ARGS;
- else
- ret = pccard_access_configuration_register(s->parent,
- buf->conf_reg.Function, &buf->conf_reg);
+
+ ret = CS_BAD_ARGS;
+
+ 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) {
+ ret = pcmcia_access_configuration_register(p_dev, &buf->conf_reg);
+ pcmcia_put_dev(p_dev);
+ }
+ }
break;
case DS_GET_FIRST_REGION:
case DS_GET_NEXT_REGION:
goto free_out;
break;
case DS_GET_FIRST_WINDOW:
- ret = pcmcia_get_window(s->parent, &buf->win_info.handle, 0,
+ ret = pcmcia_get_window(s, &buf->win_info.handle, 0,
&buf->win_info.window);
break;
case DS_GET_NEXT_WINDOW:
- ret = pcmcia_get_window(s->parent, &buf->win_info.handle,
+ ret = pcmcia_get_window(s, &buf->win_info.handle,
buf->win_info.handle->index + 1, &buf->win_info.window);
break;
case DS_GET_MEM_PAGE:
&buf->win_info.map);
break;
case DS_REPLACE_CIS:
- ret = pcmcia_replace_cis(s->parent, &buf->cisdump);
+ ret = pcmcia_replace_cis(s, &buf->cisdump);
break;
case DS_BIND_REQUEST:
if (!capable(CAP_SYS_ADMIN)) {
/*====================================================================*/
-static struct file_operations ds_fops = {
+static const struct file_operations ds_fops = {
.owner = THIS_MODULE,
.open = ds_open,
.release = ds_release,
/* Set up character device for user mode clients */
i = register_chrdev(0, "pcmcia", &ds_fops);
- if (i == -EBUSY)
+ if (i < 0)
printk(KERN_NOTICE "unable to find a free device # for "
- "Driver Services\n");
+ "Driver Services (error=%d)\n", i);
else
major_dev = i;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff