/*
- * linux/drivers/ide/ide-proc.c Version 1.05 Mar 05, 2003
- *
* 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.
*/
* "settings" files. e.g. "cat /proc/ide0/hda/settings"
* To write a new value "val" into a specific setting "name", use:
* echo "name:val" >/proc/ide/ide0/hda/settings
- *
- * Also useful, "cat /proc/ide0/hda/[identify, smart_values,
- * smart_thresholds, capabilities]" will issue an IDENTIFY /
- * PACKET_IDENTIFY / SMART_READ_VALUES / SMART_READ_THRESHOLDS /
- * SENSE CAPABILITIES command to /dev/hda, and then dump out the
- * returned data as 256 16-bit words. The "hdparm" utility will
- * be updated someday soon to use this mechanism.
- *
*/
#include <linux/module.h>
#include <linux/mm.h>
#include <linux/pci.h>
#include <linux/ctype.h>
-#include <linux/hdreg.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;
- /*
- * Neither ide_unknown nor ide_forced should be set at this point.
- */
switch (hwif->chipset) {
- case ide_generic: name = "generic"; break;
- case ide_pci: name = "pci"; break;
- case ide_cmd640: name = "cmd640"; break;
- case ide_dtc2278: name = "dtc2278"; break;
- case ide_ali14xx: name = "ali14xx"; break;
- 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_etrax100: name = "etrax100"; break;
- case ide_acorn: name = "acorn"; break;
- default: name = "(unknown)"; break;
+ case ide_generic: name = "generic"; break;
+ case ide_pci: name = "pci"; break;
+ case ide_cmd640: name = "cmd640"; break;
+ case ide_dtc2278: name = "dtc2278"; break;
+ case ide_ali14xx: name = "ali14xx"; break;
+ case ide_qd65xx: name = "qd65xx"; break;
+ case ide_umc8672: name = "umc8672"; break;
+ case ide_ht6560b: name = "ht6560b"; break;
+ case ide_4drives: name = "4drives"; break;
+ case ide_pmac: name = "mac-io"; break;
+ case ide_au1xxx: name = "au1xxx"; break;
+ case ide_palm3710: name = "palm3710"; 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 proc_ide_read_mate
- (char *page, char **start, off_t off, int count, int *eof, void *data)
+static int ide_imodel_proc_open(struct inode *inode, struct file *file)
{
- ide_hwif_t *hwif = (ide_hwif_t *) data;
- int len;
-
- if (hwif && hwif->mate && hwif->mate->present)
- len = sprintf(page, "%s\n", hwif->mate->name);
- else
- len = sprintf(page, "(none)\n");
- PROC_IDE_READ_RETURN(page,start,off,count,eof,len);
+ return single_open(file, ide_imodel_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_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;
- page[0] = hwif->channel ? '1' : '0';
- page[1] = '\n';
- len = 2;
- PROC_IDE_READ_RETURN(page,start,off,count,eof,len);
+ if (hwif && hwif->mate)
+ seq_printf(m, "%s\n", hwif->mate->name);
+ else
+ seq_printf(m, "(none)\n");
+ return 0;
}
-static int proc_ide_read_identify
- (char *page, char **start, off_t off, int count, int *eof, void *data)
+static int ide_mate_proc_open(struct inode *inode, struct file *file)
{
- ide_drive_t *drive = (ide_drive_t *)data;
- int len = 0, i = 0;
- int err = 0;
-
- len = sprintf(page, "\n");
-
- if (drive) {
- unsigned short *val = (unsigned short *) page;
-
- err = taskfile_lib_get_identify(drive, page);
- if (!err) {
- char *out = ((char *)page) + (SECTOR_WORDS * 4);
- page = out;
- do {
- out += sprintf(out, "%04x%c",
- le16_to_cpu(*val), (++i & 7) ? ' ' : '\n');
- val += 1;
- } while (i < (SECTOR_WORDS * 2));
- len = out - page;
- }
- }
- PROC_IDE_READ_RETURN(page,start,off,count,eof,len);
+ return single_open(file, ide_mate_proc_show, PDE(inode)->data);
}
-/**
- * __ide_add_setting - add an ide setting option
- * @drive: drive to use
- * @name: setting name
- * @rw: true if the function is read write
- * @data_type: type of data
- * @min: range minimum
- * @max: range maximum
- * @mul_factor: multiplication scale
- * @div_factor: divison scale
- * @data: private data field
- * @set: setting
- * @auto_remove: setting auto removal flag
- *
- * Removes the setting named from the device if it is present.
- * The function takes the settings_lock to protect against
- * parallel changes. This function must not be called from IRQ
- * context. Returns 0 on success or -1 on failure.
- *
- * BUGS: This code is seriously over-engineered. There is also
- * magic about how the driver specific features are setup. If
- * a driver is attached we assume the driver settings are auto
- * remove.
- */
+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_add_setting(ide_drive_t *drive, const char *name, int rw, int data_type, int min, int max, int mul_factor, int div_factor, void *data, ide_procset_t *set, int auto_remove)
+static int ide_channel_proc_show(struct seq_file *m, void *v)
{
- ide_settings_t **p = (ide_settings_t **) &drive->settings, *setting = NULL;
+ ide_hwif_t *hwif = (ide_hwif_t *) m->private;
- mutex_lock(&ide_setting_mtx);
- while ((*p) && strcmp((*p)->name, name) < 0)
- p = &((*p)->next);
- if ((setting = kzalloc(sizeof(*setting), GFP_KERNEL)) == NULL)
- goto abort;
- if ((setting->name = kmalloc(strlen(name) + 1, GFP_KERNEL)) == NULL)
- goto abort;
- strcpy(setting->name, name);
- setting->rw = rw;
- setting->data_type = data_type;
- setting->min = min;
- setting->max = max;
- setting->mul_factor = mul_factor;
- setting->div_factor = div_factor;
- setting->data = data;
- setting->set = set;
-
- setting->next = *p;
- if (auto_remove)
- setting->auto_remove = 1;
- *p = setting;
- mutex_unlock(&ide_setting_mtx);
+ seq_printf(m, "%c\n", hwif->channel ? '1' : '0');
return 0;
-abort:
- mutex_unlock(&ide_setting_mtx);
- kfree(setting);
- return -1;
}
-int ide_add_setting(ide_drive_t *drive, const char *name, int rw, int data_type, int min, int max, int mul_factor, int div_factor, void *data, ide_procset_t *set)
+static int ide_channel_proc_open(struct inode *inode, struct file *file)
{
- return __ide_add_setting(drive, name, rw, data_type, min, max, mul_factor, div_factor, data, set, 1);
+ return single_open(file, ide_channel_proc_show, PDE(inode)->data);
}
-EXPORT_SYMBOL(ide_add_setting);
-
-/**
- * __ide_remove_setting - remove an ide setting option
- * @drive: drive to use
- * @name: setting name
- *
- * Removes the setting named from the device if it is present.
- * The caller must hold the setting semaphore.
- */
+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,
+};
-static void __ide_remove_setting (ide_drive_t *drive, char *name)
+static int ide_identify_proc_show(struct seq_file *m, void *v)
{
- ide_settings_t **p, *setting;
-
- p = (ide_settings_t **) &drive->settings;
+ ide_drive_t *drive = (ide_drive_t *)m->private;
+ u8 *buf;
- while ((*p) && strcmp((*p)->name, name))
- p = &((*p)->next);
- if ((setting = (*p)) == NULL)
- return;
+ if (!drive) {
+ seq_putc(m, '\n');
+ return 0;
+ }
- (*p) = setting->next;
+ buf = kmalloc(SECTOR_SIZE, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+ if (taskfile_lib_get_identify(drive, buf) == 0) {
+ __le16 *val = (__le16 *)buf;
+ int i;
- kfree(setting->name);
- kfree(setting);
+ for (i = 0; i < SECTOR_SIZE / 2; i++) {
+ seq_printf(m, "%04x%c", le16_to_cpu(val[i]),
+ (i % 8) == 7 ? '\n' : ' ');
+ }
+ } else
+ seq_putc(m, buf[0]);
+ kfree(buf);
+ return 0;
}
-/**
- * auto_remove_settings - remove driver specific settings
- * @drive: drive
- *
- * Automatically remove all the driver specific settings for this
- * drive. This function may not be called from IRQ context. The
- * caller must hold ide_setting_mtx.
- */
-
-static void auto_remove_settings (ide_drive_t *drive)
+static int ide_identify_proc_open(struct inode *inode, struct file *file)
{
- ide_settings_t *setting;
-repeat:
- setting = drive->settings;
- while (setting) {
- if (setting->auto_remove) {
- __ide_remove_setting(drive, setting->name);
- goto repeat;
- }
- setting = setting->next;
- }
+ 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_by_name - find a drive specific setting
- * @drive: drive to scan
+ * ide_find_setting - find a specific setting
+ * @st: setting table pointer
* @name: setting name
*
- * Scan's the device setting table for a matching entry and returns
+ * Scan's the setting table for a matching entry and returns
* this or NULL if no entry is found. The caller must hold the
* setting semaphore
*/
-static ide_settings_t *ide_find_setting_by_name(ide_drive_t *drive, char *name)
+static
+const struct ide_proc_devset *ide_find_setting(const struct ide_proc_devset *st,
+ char *name)
{
- ide_settings_t *setting = drive->settings;
-
- while (setting) {
- if (strcmp(setting->name, name) == 0)
+ while (st->name) {
+ if (strcmp(st->name, name) == 0)
break;
- setting = setting->next;
+ st++;
}
- return setting;
+ return st->name ? st : NULL;
}
/**
* be told apart
*/
-static int ide_read_setting(ide_drive_t *drive, ide_settings_t *setting)
-{
- int val = -EINVAL;
- unsigned long flags;
-
- if ((setting->rw & SETTING_READ)) {
- spin_lock_irqsave(&ide_lock, flags);
- switch(setting->data_type) {
- case TYPE_BYTE:
- val = *((u8 *) setting->data);
- break;
- case TYPE_SHORT:
- val = *((u16 *) setting->data);
- break;
- case TYPE_INT:
- val = *((u32 *) setting->data);
- break;
- }
- spin_unlock_irqrestore(&ide_lock, flags);
- }
+static int ide_read_setting(ide_drive_t *drive,
+ const struct ide_proc_devset *setting)
+{
+ const struct ide_devset *ds = setting->setting;
+ int val = -EINVAL;
+
+ if (ds->get)
+ val = ds->get(drive);
+
return val;
}
* The current scheme of polling is kludgy, though safe enough.
*/
-static int ide_write_setting(ide_drive_t *drive, ide_settings_t *setting, int val)
+static int ide_write_setting(ide_drive_t *drive,
+ const struct ide_proc_devset *setting, int val)
{
+ const struct ide_devset *ds = setting->setting;
+
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
- if (setting->set)
- return setting->set(drive, val);
- if (!(setting->rw & SETTING_WRITE))
+ if (!ds->set)
return -EPERM;
- if (val < setting->min || val > setting->max)
+ if ((ds->flags & DS_SYNC)
+ && (val < setting->min || val > setting->max))
return -EINVAL;
- if (ide_spin_wait_hwgroup(drive))
- return -EBUSY;
- switch (setting->data_type) {
- case TYPE_BYTE:
- *((u8 *) setting->data) = val;
- break;
- case TYPE_SHORT:
- *((u16 *) setting->data) = val;
- break;
- case TYPE_INT:
- *((u32 *) setting->data) = val;
- break;
- }
- spin_unlock_irq(&ide_lock);
- return 0;
+ return ide_devset_execute(drive, ds, val);
}
+ide_devset_get(xfer_rate, current_speed);
+
static int set_xfer_rate (ide_drive_t *drive, int arg)
{
- ide_task_t task;
- int err;
+ struct ide_cmd cmd;
- if (arg < 0 || arg > 70)
+ if (arg < XFER_PIO_0 || arg > XFER_UDMA_6)
return -EINVAL;
- memset(&task, 0, sizeof(task));
- task.tf.command = WIN_SETFEATURES;
- 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);
-
- if (!err && arg) {
- ide_set_xfer_rate(drive, (u8) arg);
- ide_driveid_update(drive);
- }
- return err;
-}
-
-/**
- * ide_add_generic_settings - generic ide settings
- * @drive: drive being configured
- *
- * Add the generic parts of the system settings to the /proc files.
- * The caller must not be holding the ide_setting_mtx.
- */
-
-void ide_add_generic_settings (ide_drive_t *drive)
-{
-/*
- * drive setting name read/write access data type min max mul_factor div_factor data pointer set function
- */
- __ide_add_setting(drive, "io_32bit", drive->no_io_32bit ? SETTING_READ : SETTING_RW, TYPE_BYTE, 0, 1 + (SUPPORT_VLB_SYNC << 1), 1, 1, &drive->io_32bit, set_io_32bit, 0);
- __ide_add_setting(drive, "keepsettings", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->keep_settings, NULL, 0);
- __ide_add_setting(drive, "nice1", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->nice1, NULL, 0);
- __ide_add_setting(drive, "pio_mode", SETTING_WRITE, TYPE_BYTE, 0, 255, 1, 1, NULL, set_pio_mode, 0);
- __ide_add_setting(drive, "unmaskirq", drive->no_unmask ? SETTING_READ : SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->unmask, NULL, 0);
- __ide_add_setting(drive, "using_dma", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->using_dma, set_using_dma, 0);
- __ide_add_setting(drive, "init_speed", SETTING_RW, TYPE_BYTE, 0, 70, 1, 1, &drive->init_speed, NULL, 0);
- __ide_add_setting(drive, "current_speed", SETTING_RW, TYPE_BYTE, 0, 70, 1, 1, &drive->current_speed, set_xfer_rate, 0);
- __ide_add_setting(drive, "number", SETTING_RW, TYPE_BYTE, 0, 3, 1, 1, &drive->dn, NULL, 0);
-}
+ 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;
+
+ return ide_no_data_taskfile(drive, &cmd);
+}
+
+ide_devset_rw(current_speed, xfer_rate);
+ide_devset_rw_field(init_speed, init_speed);
+ide_devset_rw_flag(nice1, IDE_DFLAG_NICE1);
+ide_devset_rw_field(number, dn);
+
+static const struct ide_proc_devset ide_generic_settings[] = {
+ IDE_PROC_DEVSET(current_speed, 0, 70),
+ IDE_PROC_DEVSET(init_speed, 0, 70),
+ IDE_PROC_DEVSET(io_32bit, 0, 1 + (SUPPORT_VLB_SYNC << 1)),
+ IDE_PROC_DEVSET(keepsettings, 0, 1),
+ IDE_PROC_DEVSET(nice1, 0, 1),
+ IDE_PROC_DEVSET(number, 0, 3),
+ IDE_PROC_DEVSET(pio_mode, 0, 255),
+ IDE_PROC_DEVSET(unmaskirq, 0, 1),
+ IDE_PROC_DEVSET(using_dma, 0, 1),
+ { NULL },
+};
static void proc_ide_settings_warn(void)
{
- static int warned = 0;
-
- 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)
{
- ide_drive_t *drive = (ide_drive_t *) data;
- ide_settings_t *setting = (ide_settings_t *) drive->settings;
- char *out = page;
- int len, rc, mul_factor, div_factor;
+ const struct ide_proc_devset *setting, *g, *d;
+ const struct ide_devset *ds;
+ ide_drive_t *drive = (ide_drive_t *) m->private;
+ int rc, mul_factor, div_factor;
proc_ide_settings_warn();
mutex_lock(&ide_setting_mtx);
- 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");
- while(setting) {
- mul_factor = setting->mul_factor;
- div_factor = setting->div_factor;
- out += sprintf(out, "%-24s", setting->name);
- if ((rc = ide_read_setting(drive, setting)) >= 0)
- out += sprintf(out, "%-16d", rc * mul_factor / div_factor);
+ g = ide_generic_settings;
+ d = drive->settings;
+ 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) {
+ if (strcmp(d->name, g->name) < 0)
+ setting = d++;
+ else
+ setting = g++;
+ } else if (d && d->name) {
+ setting = d++;
+ } else
+ setting = g++;
+ mul_factor = setting->mulf ? setting->mulf(drive) : 1;
+ div_factor = setting->divf ? setting->divf(drive) : 1;
+ seq_printf(m, "%-24s", setting->name);
+ rc = ide_read_setting(drive, setting);
+ if (rc >= 0)
+ 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);
- if (setting->rw & SETTING_READ)
- out += sprintf(out, "r");
- if (setting->rw & SETTING_WRITE)
- out += sprintf(out, "w");
- out += sprintf(out, "\n");
- setting = setting->next;
+ 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)
+ seq_printf(m, "r");
+ if (ds->set)
+ 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;
+ int for_real = 0, mul_factor, div_factor;
unsigned long n;
- ide_settings_t *setting;
+
+ const struct ide_proc_devset *setting;
char *buf, *s;
if (!capable(CAP_SYS_ADMIN))
}
mutex_lock(&ide_setting_mtx);
- setting = ide_find_setting_by_name(drive, name);
- if (!setting)
- {
- mutex_unlock(&ide_setting_mtx);
- goto parse_error;
+ /* generic settings first, then driver specific ones */
+ setting = ide_find_setting(ide_generic_settings, name);
+ if (!setting) {
+ if (drive->settings)
+ setting = ide_find_setting(drive->settings, name);
+ if (!setting) {
+ mutex_unlock(&ide_setting_mtx);
+ goto parse_error;
+ }
+ }
+ if (for_real) {
+ mul_factor = setting->mulf ? setting->mulf(drive) : 1;
+ div_factor = setting->divf ? setting->divf(drive) : 1;
+ ide_write_setting(drive, setting, val * div_factor / mul_factor);
}
- if (for_real)
- ide_write_setting(drive, setting, val * setting->div_factor / setting->mul_factor);
mutex_unlock(&ide_setting_mtx);
}
} while (!for_real++);
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;
- struct hd_driveid *id = drive->id;
- int len;
+ ide_drive_t *drive = (ide_drive_t *) seq->private;
+ char *m = (char *)&drive->id[ATA_ID_PROD];
+
+ seq_printf(seq, "%.40s\n", m[0] ? m : "(none)");
+ return 0;
+}
- len = sprintf(page, "%.40s\n",
- (id && id->model[0]) ? (char *)id->model : "(none)");
- PROC_IDE_READ_RETURN(page,start,off,count,eof,len);
+static int ide_dmodel_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, ide_dmodel_proc_show, PDE(inode)->data);
}
-static int proc_ide_read_driver
- (char *page, char **start, off_t off, int count, int *eof, void *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 *) data;
- struct device *dev = &drive->gendev;
- ide_driver_t *ide_drv;
- int len;
+ 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)
err = device_attach(dev);
if (err < 0)
printk(KERN_WARNING "IDE: %s: device_attach error: %d\n",
- __FUNCTION__, err);
+ __func__, err);
drive->driver_req[0] = 0;
if (dev->driver == NULL) {
err = device_attach(dev);
if (err < 0)
printk(KERN_WARNING
"IDE: %s: device_attach(2) error: %d\n",
- __FUNCTION__, err);
+ __func__, err);
}
if (dev->driver && !strcmp(dev->driver->name, driver))
ret = 0;
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_cdrom: media = "cdrom\n";
- break;
- case ide_tape: media = "tape\n";
- break;
- case ide_floppy:media = "floppy\n";
- break;
- case ide_optical:media = "optical\n";
- break;
- default: media = "UNKNOWN\n";
- break;
+ case ide_disk: media = "disk\n"; break;
+ case ide_cdrom: media = "cdrom\n"; break;
+ case ide_tape: media = "tape\n"; break;
+ case ide_floppy: media = "floppy\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)
{
- ide_add_proc_entries(drive->proc, driver->proc, drive);
+ mutex_lock(&ide_setting_mtx);
+ drive->settings = driver->proc_devsets(drive);
+ mutex_unlock(&ide_setting_mtx);
+
+ 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).
*/
- auto_remove_settings(drive);
- spin_unlock_irqrestore(&ide_lock, flags);
+ drive->settings = NULL;
mutex_unlock(&ide_setting_mtx);
}
-
EXPORT_SYMBOL(ide_proc_unregister_driver);
-static void create_proc_ide_drives(ide_hwif_t *hwif)
+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->present)
- continue;
- if (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);
if (drive->proc)
ide_add_proc_entries(drive->proc, generic_drive_entries, drive);
- sprintf(name,"ide%d/%s", (drive->name[2]-'a')/2, drive->name);
+ sprintf(name, "ide%d/%s", (drive->name[2]-'a')/2, drive->name);
ent = proc_symlink(drive->name, proc_ide_root, name);
if (!ent) return;
}
}
-static void destroy_proc_ide_device(ide_hwif_t *hwif, ide_drive_t *drive)
+void ide_proc_unregister_device(ide_drive_t *drive)
{
if (drive->proc) {
ide_remove_proc_entries(drive->proc, generic_drive_entries);
remove_proc_entry(drive->name, proc_ide_root);
- remove_proc_entry(drive->name, hwif->proc);
+ remove_proc_entry(drive->name, drive->hwif->proc);
drive->proc = NULL;
}
}
-static void destroy_proc_ide_drives(ide_hwif_t *hwif)
-{
- int d;
-
- for (d = 0; d < MAX_DRIVES; d++) {
- ide_drive_t *drive = &hwif->drives[d];
- if (drive->proc)
- destroy_proc_ide_device(hwif, drive);
- }
-}
-
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)
{
- if (!hwif->present)
- return;
-
if (!hwif->proc) {
hwif->proc = proc_mkdir(hwif->name, proc_ide_root);
ide_add_proc_entries(hwif->proc, hwif_entries, hwif);
}
-
- create_proc_ide_drives(hwif);
}
-#ifdef CONFIG_BLK_DEV_IDEPCI
-void ide_pci_create_host_proc(const char *name, get_info_t *get_info)
-{
- create_proc_info_entry(name, 0, proc_ide_root, get_info);
-}
-
-EXPORT_SYMBOL_GPL(ide_pci_create_host_proc);
-#endif
-
void ide_proc_unregister_port(ide_hwif_t *hwif)
{
if (hwif->proc) {
- destroy_proc_ide_drives(hwif);
ide_remove_proc_entries(hwif->proc, hwif_entries);
remove_proc_entry(hwif->name, proc_ide_root);
hwif->proc = NULL;
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);
err = bus_for_each_drv(&ide_bus_type, NULL, s, proc_print_driver);
if (err < 0)
printk(KERN_WARNING "IDE: %s: bus_for_each_drv error: %d\n",
- __FUNCTION__, err);
+ __func__, err);
return 0;
}
}
static const struct file_operations ide_drivers_operations = {
+ .owner = THIS_MODULE,
.open = ide_drivers_open,
.read = seq_read,
.llseek = seq_lseek,
void proc_ide_create(void)
{
- struct proc_dir_entry *entry;
-
proc_ide_root = proc_mkdir("ide", NULL);
if (!proc_ide_root)
return;
- entry = create_proc_entry("drivers", 0, proc_ide_root);
- if (entry)
- entry->proc_fops = &ide_drivers_operations;
+ proc_create("drivers", 0, proc_ide_root, &ide_drivers_operations);
}
void proc_ide_destroy(void)
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff