#include <linux/proc_fs.h>
#include <linux/poll.h>
#include <linux/pci.h>
+#include <linux/seq_file.h>
#include <linux/smp_lock.h>
#include <linux/workqueue.h>
#include <pcmcia/ss.h>
#include "cs_internal.h"
-#include "ds_internal.h"
static int major_dev = -1;
} user_info_t;
-#ifdef CONFIG_PCMCIA_DEBUG
-extern int ds_pc_debug;
-
-#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;
}
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 proc_read_drivers(char *buf, char **start, off_t pos,
- int count, int *eof, void *data)
+static int pccard_drivers_proc_show(struct seq_file *m, void *v)
{
- char *p = buf;
- int rc;
-
- rc = bus_for_each_drv(&pcmcia_bus_type, NULL,
- (void *) &p, proc_read_drivers_callback);
- if (rc < 0)
- return rc;
+ return bus_for_each_drv(&pcmcia_bus_type, NULL,
+ m, proc_read_drivers_callback);
+}
- return (p - buf);
+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
irq = adj->resource.irq.IRQ;
if ((irq < 0) || (irq > 15))
- return CS_BAD_IRQ;
+ return -EINVAL;
if (adj->Action != REMOVE_MANAGED_RESOURCE)
return 0;
#else
-static inline int adjust_irq(struct pcmcia_socket *s, adjust_t *adj) {
+static inline int adjust_irq(struct pcmcia_socket *s, adjust_t *adj)
+{
return 0;
}
static int pcmcia_adjust_resource_info(adjust_t *adj)
{
struct pcmcia_socket *s;
- int ret = CS_UNSUPPORTED_FUNCTION;
- unsigned long flags;
+ int ret = -ENOSYS;
down_read(&pcmcia_socket_list_rwsem);
list_for_each_entry(s, &pcmcia_socket_list, socket_list) {
/* you can't use the old interface if the new
* one was used before */
- spin_lock_irqsave(&s->lock, flags);
+ mutex_lock(&s->ops_mutex);
if ((s->resource_setup_new) &&
!(s->resource_setup_old)) {
- spin_unlock_irqrestore(&s->lock, flags);
+ mutex_unlock(&s->ops_mutex);
continue;
} else if (!(s->resource_setup_old))
s->resource_setup_old = 1;
- spin_unlock_irqrestore(&s->lock, flags);
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);
+ 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;
* last call to adjust_resource_info, we
* always need to assume this is the latest
* one... */
- spin_lock_irqsave(&s->lock, flags);
s->resource_setup_done = 1;
- spin_unlock_irqrestore(&s->lock, flags);
}
+ mutex_unlock(&s->ops_mutex);
}
}
up_read(&pcmcia_socket_list_rwsem);
- return (ret);
+ 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
if (s->state & SOCKET_SUSPEND)
status->CardState |= CS_EVENT_PM_SUSPEND;
if (!(s->state & SOCKET_PRESENT))
- return CS_NO_CARD;
+ return -ENODEV;
c = (p_dev) ? p_dev->function_config : NULL;
return 0;
} /* pccard_get_status */
-int pccard_get_configuration_info(struct pcmcia_socket *s,
+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 CS_NO_CARD;
+ return -ENODEV;
#ifdef CONFIG_CARDBUS
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);
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) {
* registered, and it was registered
* by userspace before, we need to
* return the "instance". */
- spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
+ mutex_unlock(&s->ops_mutex);
bind_info->instance = p_dev;
ret = -EBUSY;
goto err_put_module;
/* 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;
/* 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) {
err_put:
pcmcia_put_socket(s);
- return (ret);
+ return ret;
} /* bind_request */
#ifdef CONFIG_CARDBUS
dev_node_t *node;
struct pcmcia_device *p_dev;
struct pcmcia_driver *p_drv;
- unsigned long flags;
int ret = 0;
#ifdef CONFIG_CARDBUS
}
#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);
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);
p_drv = to_pcmcia_drv(p_dev->dev.driver);
if (p_drv && !p_dev->_locked) {
err_put:
pcmcia_put_dev(p_dev);
- return (ret);
+ return ret;
} /* get_device_info */
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);
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))
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;
user_info_t *user;
int ret;
- ds_dbg(2, "ds_read(socket %d)\n", iminor(file->f_path.dentry->d_inode));
+ pr_debug("ds_read(socket %d)\n", iminor(file->f_path.dentry->d_inode));
if (count < 4)
return -EINVAL;
s = user->socket;
if (s->pcmcia_state.dead)
- return -EIO;
+ return -EIO;
ret = wait_event_interruptible(s->queue, !queue_empty(user));
if (ret == 0)
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_path.dentry->d_inode));
+ pr_debug("ds_write(socket %d)\n", iminor(file->f_path.dentry->d_inode));
if (count != 4)
return -EINVAL;
struct pcmcia_socket *s;
user_info_t *user;
- ds_dbg(2, "ds_poll(socket %d)\n", iminor(file->f_path.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))
/*====================================================================*/
-static int ds_ioctl(struct inode * inode, struct file * file,
+static int ds_ioctl(struct inode *inode, struct file *file,
u_int cmd, u_long arg)
{
struct pcmcia_socket *s;
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))
s = user->socket;
if (s->pcmcia_state.dead)
- return -EIO;
+ 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))
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;
}
}
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);
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);
mutex_lock(&s->skt_mutex);
pcmcia_validate_mem(s);
mutex_unlock(&s->skt_mutex);
- ret = pccard_validate_cis(s, BIND_FN_ALL, &buf->cisinfo.Chains);
+ 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)) {
goto free_out;
}
- ret = CS_BAD_ARGS;
+ ret = -EINVAL;
if (!(buf->conf_reg.Function &&
(buf->conf_reg.Function >= s->functions))) {
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:
}
if ((err == 0) && (ret != 0)) {
- ds_dbg(2, "ds_ioctl: ret = %d\n", ret);
+ 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:
.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 */
#ifdef CONFIG_PROC_FS
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);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff