/*
* Copyright (C) 1997-1998 Mark Lord
- * Copyright (C) 2003 Red Hat <alan@redhat.com>
+ * Copyright (C) 2003 Red Hat
*
* Some code was moved here from ide.c, see it for original copyrights.
*/
#include <linux/ctype.h>
#include <linux/ide.h>
#include <linux/seq_file.h>
+#include <linux/slab.h>
#include <asm/io.h>
static struct proc_dir_entry *proc_ide_root;
-static int proc_ide_read_imodel
- (char *page, char **start, off_t off, int count, int *eof, void *data)
+static int ide_imodel_proc_show(struct seq_file *m, void *v)
{
- ide_hwif_t *hwif = (ide_hwif_t *) data;
- int len;
+ ide_hwif_t *hwif = (ide_hwif_t *) m->private;
const char *name;
switch (hwif->chipset) {
case ide_qd65xx: name = "qd65xx"; break;
case ide_umc8672: name = "umc8672"; break;
case ide_ht6560b: name = "ht6560b"; break;
- case ide_rz1000: name = "rz1000"; break;
- case ide_trm290: name = "trm290"; break;
- case ide_cmd646: name = "cmd646"; break;
- case ide_cy82c693: name = "cy82c693"; break;
case ide_4drives: name = "4drives"; break;
case ide_pmac: name = "mac-io"; break;
case ide_au1xxx: name = "au1xxx"; break;
case ide_acorn: name = "acorn"; break;
default: name = "(unknown)"; break;
}
- len = sprintf(page, "%s\n", name);
- PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
+ seq_printf(m, "%s\n", name);
+ return 0;
+}
+
+static int ide_imodel_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, ide_imodel_proc_show, PDE(inode)->data);
}
-static int proc_ide_read_mate
- (char *page, char **start, off_t off, int count, int *eof, void *data)
+static const struct file_operations ide_imodel_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = ide_imodel_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int ide_mate_proc_show(struct seq_file *m, void *v)
{
- ide_hwif_t *hwif = (ide_hwif_t *) data;
- int len;
+ ide_hwif_t *hwif = (ide_hwif_t *) m->private;
if (hwif && hwif->mate)
- len = sprintf(page, "%s\n", hwif->mate->name);
+ seq_printf(m, "%s\n", hwif->mate->name);
else
- len = sprintf(page, "(none)\n");
- PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
+ seq_printf(m, "(none)\n");
+ return 0;
+}
+
+static int ide_mate_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, ide_mate_proc_show, PDE(inode)->data);
}
-static int proc_ide_read_channel
- (char *page, char **start, off_t off, int count, int *eof, void *data)
+static const struct file_operations ide_mate_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = ide_mate_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int ide_channel_proc_show(struct seq_file *m, void *v)
{
- ide_hwif_t *hwif = (ide_hwif_t *) data;
- int len;
+ ide_hwif_t *hwif = (ide_hwif_t *) m->private;
- page[0] = hwif->channel ? '1' : '0';
- page[1] = '\n';
- len = 2;
- PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
+ seq_printf(m, "%c\n", hwif->channel ? '1' : '0');
+ return 0;
}
-static int proc_ide_read_identify
- (char *page, char **start, off_t off, int count, int *eof, void *data)
+static int ide_channel_proc_open(struct inode *inode, struct file *file)
{
- ide_drive_t *drive = (ide_drive_t *)data;
- int len = 0, i = 0;
- int err = 0;
+ return single_open(file, ide_channel_proc_show, PDE(inode)->data);
+}
+
+static const struct file_operations ide_channel_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = ide_channel_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
- len = sprintf(page, "\n");
+static int ide_identify_proc_show(struct seq_file *m, void *v)
+{
+ ide_drive_t *drive = (ide_drive_t *)m->private;
+ u8 *buf;
- if (drive) {
- __le16 *val = (__le16 *)page;
+ if (!drive) {
+ seq_putc(m, '\n');
+ return 0;
+ }
- err = taskfile_lib_get_identify(drive, page);
- if (!err) {
- char *out = (char *)page + SECTOR_SIZE;
+ buf = kmalloc(SECTOR_SIZE, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+ if (taskfile_lib_get_identify(drive, buf) == 0) {
+ __le16 *val = (__le16 *)buf;
+ int i;
- page = out;
- do {
- out += sprintf(out, "%04x%c",
- le16_to_cpup(val), (++i & 7) ? ' ' : '\n');
- val += 1;
- } while (i < SECTOR_SIZE / 2);
- len = out - page;
+ for (i = 0; i < SECTOR_SIZE / 2; i++) {
+ seq_printf(m, "%04x%c", le16_to_cpu(val[i]),
+ (i % 8) == 7 ? '\n' : ' ');
}
- }
- PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
+ } else
+ seq_putc(m, buf[0]);
+ kfree(buf);
+ return 0;
}
+static int ide_identify_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, ide_identify_proc_show, PDE(inode)->data);
+}
+
+static const struct file_operations ide_identify_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = ide_identify_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
/**
* ide_find_setting - find a specific setting
* @st: setting table pointer
const struct ide_devset *ds = setting->setting;
int val = -EINVAL;
- if (ds->get) {
- unsigned long flags;
-
- spin_lock_irqsave(&ide_lock, flags);
+ if (ds->get)
val = ds->get(drive);
- spin_unlock_irqrestore(&ide_lock, flags);
- }
return val;
}
static int set_xfer_rate (ide_drive_t *drive, int arg)
{
- ide_task_t task;
- int err;
+ struct ide_cmd cmd;
if (arg < XFER_PIO_0 || arg > XFER_UDMA_6)
return -EINVAL;
- memset(&task, 0, sizeof(task));
- task.tf.command = ATA_CMD_SET_FEATURES;
- task.tf.feature = SETFEATURES_XFER;
- task.tf.nsect = (u8)arg;
- task.tf_flags = IDE_TFLAG_OUT_FEATURE | IDE_TFLAG_OUT_NSECT |
- IDE_TFLAG_IN_NSECT;
-
- err = ide_no_data_taskfile(drive, &task);
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.tf.command = ATA_CMD_SET_FEATURES;
+ cmd.tf.feature = SETFEATURES_XFER;
+ cmd.tf.nsect = (u8)arg;
+ cmd.valid.out.tf = IDE_VALID_FEATURE | IDE_VALID_NSECT;
+ cmd.valid.in.tf = IDE_VALID_NSECT;
+ cmd.tf_flags = IDE_TFLAG_SET_XFER;
- if (!err) {
- ide_set_xfer_rate(drive, (u8) arg);
- ide_driveid_update(drive);
- }
- return err;
+ return ide_no_data_taskfile(drive, &cmd);
}
ide_devset_rw(current_speed, xfer_rate);
IDE_PROC_DEVSET(pio_mode, 0, 255),
IDE_PROC_DEVSET(unmaskirq, 0, 1),
IDE_PROC_DEVSET(using_dma, 0, 1),
- { 0 },
+ { NULL },
};
static void proc_ide_settings_warn(void)
{
- static int warned;
-
- if (warned)
- return;
-
- printk(KERN_WARNING "Warning: /proc/ide/hd?/settings interface is "
+ printk_once(KERN_WARNING "Warning: /proc/ide/hd?/settings interface is "
"obsolete, and will be removed soon!\n");
- warned = 1;
}
-static int proc_ide_read_settings
- (char *page, char **start, off_t off, int count, int *eof, void *data)
+static int ide_settings_proc_show(struct seq_file *m, void *v)
{
const struct ide_proc_devset *setting, *g, *d;
const struct ide_devset *ds;
- ide_drive_t *drive = (ide_drive_t *) data;
- char *out = page;
- int len, rc, mul_factor, div_factor;
+ ide_drive_t *drive = (ide_drive_t *) m->private;
+ int rc, mul_factor, div_factor;
proc_ide_settings_warn();
mutex_lock(&ide_setting_mtx);
g = ide_generic_settings;
d = drive->settings;
- out += sprintf(out, "name\t\t\tvalue\t\tmin\t\tmax\t\tmode\n");
- out += sprintf(out, "----\t\t\t-----\t\t---\t\t---\t\t----\n");
+ seq_printf(m, "name\t\t\tvalue\t\tmin\t\tmax\t\tmode\n");
+ seq_printf(m, "----\t\t\t-----\t\t---\t\t---\t\t----\n");
while (g->name || (d && d->name)) {
/* read settings in the alphabetical order */
if (g->name && d && d->name) {
setting = g++;
mul_factor = setting->mulf ? setting->mulf(drive) : 1;
div_factor = setting->divf ? setting->divf(drive) : 1;
- out += sprintf(out, "%-24s", setting->name);
+ seq_printf(m, "%-24s", setting->name);
rc = ide_read_setting(drive, setting);
if (rc >= 0)
- out += sprintf(out, "%-16d", rc * mul_factor / div_factor);
+ seq_printf(m, "%-16d", rc * mul_factor / div_factor);
else
- out += sprintf(out, "%-16s", "write-only");
- out += sprintf(out, "%-16d%-16d", (setting->min * mul_factor + div_factor - 1) / div_factor, setting->max * mul_factor / div_factor);
+ seq_printf(m, "%-16s", "write-only");
+ seq_printf(m, "%-16d%-16d", (setting->min * mul_factor + div_factor - 1) / div_factor, setting->max * mul_factor / div_factor);
ds = setting->setting;
if (ds->get)
- out += sprintf(out, "r");
+ seq_printf(m, "r");
if (ds->set)
- out += sprintf(out, "w");
- out += sprintf(out, "\n");
+ seq_printf(m, "w");
+ seq_printf(m, "\n");
}
- len = out - page;
mutex_unlock(&ide_setting_mtx);
- PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
+ return 0;
+}
+
+static int ide_settings_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, ide_settings_proc_show, PDE(inode)->data);
}
#define MAX_LEN 30
-static int proc_ide_write_settings(struct file *file, const char __user *buffer,
- unsigned long count, void *data)
+static ssize_t ide_settings_proc_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *pos)
{
- ide_drive_t *drive = (ide_drive_t *) data;
+ ide_drive_t *drive = (ide_drive_t *) PDE(file->f_path.dentry->d_inode)->data;
char name[MAX_LEN + 1];
int for_real = 0, mul_factor, div_factor;
unsigned long n;
return count;
parse_error:
free_page((unsigned long)buf);
- printk("proc_ide_write_settings(): parse error\n");
+ printk("%s(): parse error\n", __func__);
return -EINVAL;
}
-int proc_ide_read_capacity
- (char *page, char **start, off_t off, int count, int *eof, void *data)
+static const struct file_operations ide_settings_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = ide_settings_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = ide_settings_proc_write,
+};
+
+static int ide_capacity_proc_show(struct seq_file *m, void *v)
+{
+ seq_printf(m, "%llu\n", (long long)0x7fffffff);
+ return 0;
+}
+
+static int ide_capacity_proc_open(struct inode *inode, struct file *file)
{
- int len = sprintf(page, "%llu\n", (long long)0x7fffffff);
- PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
+ return single_open(file, ide_capacity_proc_show, NULL);
}
-EXPORT_SYMBOL_GPL(proc_ide_read_capacity);
+const struct file_operations ide_capacity_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = ide_capacity_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+EXPORT_SYMBOL_GPL(ide_capacity_proc_fops);
-int proc_ide_read_geometry
- (char *page, char **start, off_t off, int count, int *eof, void *data)
+static int ide_geometry_proc_show(struct seq_file *m, void *v)
{
- ide_drive_t *drive = (ide_drive_t *) data;
- char *out = page;
- int len;
+ ide_drive_t *drive = (ide_drive_t *) m->private;
- out += sprintf(out, "physical %d/%d/%d\n",
+ seq_printf(m, "physical %d/%d/%d\n",
drive->cyl, drive->head, drive->sect);
- out += sprintf(out, "logical %d/%d/%d\n",
+ seq_printf(m, "logical %d/%d/%d\n",
drive->bios_cyl, drive->bios_head, drive->bios_sect);
+ return 0;
+}
- len = out - page;
- PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
+static int ide_geometry_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, ide_geometry_proc_show, PDE(inode)->data);
}
-EXPORT_SYMBOL(proc_ide_read_geometry);
+const struct file_operations ide_geometry_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = ide_geometry_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+EXPORT_SYMBOL(ide_geometry_proc_fops);
-static int proc_ide_read_dmodel
- (char *page, char **start, off_t off, int count, int *eof, void *data)
+static int ide_dmodel_proc_show(struct seq_file *seq, void *v)
{
- ide_drive_t *drive = (ide_drive_t *) data;
+ ide_drive_t *drive = (ide_drive_t *) seq->private;
char *m = (char *)&drive->id[ATA_ID_PROD];
- int len;
- len = sprintf(page, "%.40s\n", m[0] ? m : "(none)");
- PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
+ seq_printf(seq, "%.40s\n", m[0] ? m : "(none)");
+ return 0;
}
-static int proc_ide_read_driver
- (char *page, char **start, off_t off, int count, int *eof, void *data)
+static int ide_dmodel_proc_open(struct inode *inode, struct file *file)
{
- ide_drive_t *drive = (ide_drive_t *) data;
- struct device *dev = &drive->gendev;
- ide_driver_t *ide_drv;
- int len;
+ return single_open(file, ide_dmodel_proc_show, PDE(inode)->data);
+}
+
+static const struct file_operations ide_dmodel_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = ide_dmodel_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int ide_driver_proc_show(struct seq_file *m, void *v)
+{
+ ide_drive_t *drive = (ide_drive_t *)m->private;
+ struct device *dev = &drive->gendev;
+ struct ide_driver *ide_drv;
if (dev->driver) {
- ide_drv = container_of(dev->driver, ide_driver_t, gen_driver);
- len = sprintf(page, "%s version %s\n",
+ ide_drv = to_ide_driver(dev->driver);
+ seq_printf(m, "%s version %s\n",
dev->driver->name, ide_drv->version);
} else
- len = sprintf(page, "ide-default version 0.9.newide\n");
- PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
+ seq_printf(m, "ide-default version 0.9.newide\n");
+ return 0;
+}
+
+static int ide_driver_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, ide_driver_proc_show, PDE(inode)->data);
}
static int ide_replace_subdriver(ide_drive_t *drive, const char *driver)
return ret;
}
-static int proc_ide_write_driver
- (struct file *file, const char __user *buffer, unsigned long count, void *data)
+static ssize_t ide_driver_proc_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *pos)
{
- ide_drive_t *drive = (ide_drive_t *) data;
+ ide_drive_t *drive = (ide_drive_t *) PDE(file->f_path.dentry->d_inode)->data;
char name[32];
if (!capable(CAP_SYS_ADMIN))
return count;
}
-static int proc_ide_read_media
- (char *page, char **start, off_t off, int count, int *eof, void *data)
+static const struct file_operations ide_driver_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = ide_driver_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = ide_driver_proc_write,
+};
+
+static int ide_media_proc_show(struct seq_file *m, void *v)
{
- ide_drive_t *drive = (ide_drive_t *) data;
+ ide_drive_t *drive = (ide_drive_t *) m->private;
const char *media;
- int len;
switch (drive->media) {
case ide_disk: media = "disk\n"; break;
case ide_optical: media = "optical\n"; break;
default: media = "UNKNOWN\n"; break;
}
- strcpy(page, media);
- len = strlen(media);
- PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
+ seq_puts(m, media);
+ return 0;
}
+static int ide_media_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, ide_media_proc_show, PDE(inode)->data);
+}
+
+static const struct file_operations ide_media_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = ide_media_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
static ide_proc_entry_t generic_drive_entries[] = {
- { "driver", S_IFREG|S_IRUGO, proc_ide_read_driver,
- proc_ide_write_driver },
- { "identify", S_IFREG|S_IRUSR, proc_ide_read_identify, NULL },
- { "media", S_IFREG|S_IRUGO, proc_ide_read_media, NULL },
- { "model", S_IFREG|S_IRUGO, proc_ide_read_dmodel, NULL },
- { "settings", S_IFREG|S_IRUSR|S_IWUSR, proc_ide_read_settings,
- proc_ide_write_settings },
- { NULL, 0, NULL, NULL }
+ { "driver", S_IFREG|S_IRUGO, &ide_driver_proc_fops },
+ { "identify", S_IFREG|S_IRUSR, &ide_identify_proc_fops},
+ { "media", S_IFREG|S_IRUGO, &ide_media_proc_fops },
+ { "model", S_IFREG|S_IRUGO, &ide_dmodel_proc_fops },
+ { "settings", S_IFREG|S_IRUSR|S_IWUSR, &ide_settings_proc_fops},
+ {}
};
static void ide_add_proc_entries(struct proc_dir_entry *dir, ide_proc_entry_t *p, void *data)
if (!dir || !p)
return;
while (p->name != NULL) {
- ent = create_proc_entry(p->name, p->mode, dir);
+ ent = proc_create_data(p->name, p->mode, dir, p->proc_fops, data);
if (!ent) return;
- ent->data = data;
- ent->read_proc = p->read_proc;
- ent->write_proc = p->write_proc;
p++;
}
}
}
}
-void ide_proc_register_driver(ide_drive_t *drive, ide_driver_t *driver)
+void ide_proc_register_driver(ide_drive_t *drive, struct ide_driver *driver)
{
mutex_lock(&ide_setting_mtx);
- drive->settings = driver->settings;
+ drive->settings = driver->proc_devsets(drive);
mutex_unlock(&ide_setting_mtx);
- ide_add_proc_entries(drive->proc, driver->proc, drive);
+ ide_add_proc_entries(drive->proc, driver->proc_entries(drive), drive);
}
EXPORT_SYMBOL(ide_proc_register_driver);
* Clean up the driver specific /proc files and IDE settings
* for a given drive.
*
- * Takes ide_setting_mtx and ide_lock.
- * Caller must hold none of the locks.
+ * Takes ide_setting_mtx.
*/
-void ide_proc_unregister_driver(ide_drive_t *drive, ide_driver_t *driver)
+void ide_proc_unregister_driver(ide_drive_t *drive, struct ide_driver *driver)
{
- unsigned long flags;
-
- ide_remove_proc_entries(drive->proc, driver->proc);
+ ide_remove_proc_entries(drive->proc, driver->proc_entries(drive));
mutex_lock(&ide_setting_mtx);
- spin_lock_irqsave(&ide_lock, flags);
/*
- * ide_setting_mtx protects the settings list
- * ide_lock protects the use of settings
- *
- * so we need to hold both, ide_settings_sem because we want to
- * modify the settings list, and ide_lock because we cannot take
- * a setting out that is being used.
- *
- * OTOH both ide_{read,write}_setting are only ever used under
- * ide_setting_mtx.
+ * ide_setting_mtx protects both the settings list and the use
+ * of settings (we cannot take a setting out that is being used).
*/
drive->settings = NULL;
- spin_unlock_irqrestore(&ide_lock, flags);
mutex_unlock(&ide_setting_mtx);
}
EXPORT_SYMBOL(ide_proc_unregister_driver);
void ide_proc_port_register_devices(ide_hwif_t *hwif)
{
- int d;
struct proc_dir_entry *ent;
struct proc_dir_entry *parent = hwif->proc;
+ ide_drive_t *drive;
char name[64];
+ int i;
- for (d = 0; d < MAX_DRIVES; d++) {
- ide_drive_t *drive = &hwif->drives[d];
-
- if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0 || drive->proc)
+ ide_port_for_each_dev(i, drive, hwif) {
+ if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0)
continue;
drive->proc = proc_mkdir(drive->name, parent);
}
static ide_proc_entry_t hwif_entries[] = {
- { "channel", S_IFREG|S_IRUGO, proc_ide_read_channel, NULL },
- { "mate", S_IFREG|S_IRUGO, proc_ide_read_mate, NULL },
- { "model", S_IFREG|S_IRUGO, proc_ide_read_imodel, NULL },
- { NULL, 0, NULL, NULL }
+ { "channel", S_IFREG|S_IRUGO, &ide_channel_proc_fops },
+ { "mate", S_IFREG|S_IRUGO, &ide_mate_proc_fops },
+ { "model", S_IFREG|S_IRUGO, &ide_imodel_proc_fops },
+ {}
};
void ide_proc_register_port(ide_hwif_t *hwif)
static int proc_print_driver(struct device_driver *drv, void *data)
{
- ide_driver_t *ide_drv = container_of(drv, ide_driver_t, gen_driver);
+ struct ide_driver *ide_drv = to_ide_driver(drv);
struct seq_file *s = data;
seq_printf(s, "%s version %s\n", drv->name, ide_drv->version);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff