};
#define PDCS_ATTR(_name, _mode, _show, _store) \
-struct subsys_attribute pdcs_attr_##_name = { \
- .attr = {.name = __stringify(_name), .mode = _mode, .owner = THIS_MODULE}, \
+struct kobj_attribute pdcs_attr_##_name = { \
+ .attr = {.name = __stringify(_name), .mode = _mode}, \
.show = _show, \
.store = _store, \
};
#define PATHS_ATTR(_name, _mode, _show, _store) \
struct pdcspath_attribute paths_attr_##_name = { \
- .attr = {.name = __stringify(_name), .mode = _mode, .owner = THIS_MODULE}, \
+ .attr = {.name = __stringify(_name), .mode = _mode}, \
.show = _show, \
.store = _store, \
};
unsigned short i;
char in[count+1], *temp;
struct device *dev;
+ int ret;
if (!entry || !buf || !count)
return -EINVAL;
/* Update the symlink to the real device */
sysfs_remove_link(&entry->kobj, "device");
- sysfs_create_link(&entry->kobj, &entry->dev->kobj, "device");
+ ret = sysfs_create_link(&entry->kobj, &entry->dev->kobj, "device");
+ WARN_ON(ret);
+
write_unlock(&entry->rw_lock);
printk(KERN_INFO PDCS_PREFIX ": changed \"%s\" path to \"%s\"\n",
if (!i) /* entry is not ready */
return -ENODATA;
- for (i = 0; devpath->layers[i] && (likely(i < 6)); i++)
+ for (i = 0; i < 6 && devpath->layers[i]; i++)
out += sprintf(out, "%u ", devpath->layers[i]);
out += sprintf(out, "\n");
return ret;
}
-static struct sysfs_ops pdcspath_attr_ops = {
+static const struct sysfs_ops pdcspath_attr_ops = {
.show = pdcspath_attr_show,
.store = pdcspath_attr_store,
};
/**
* pdcs_size_read - Stable Storage size output.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
* @buf: The output buffer to write to.
*/
-static ssize_t
-pdcs_size_read(struct subsystem *entry, char *buf)
+static ssize_t pdcs_size_read(struct kobject *kobj,
+ struct kobj_attribute *attr,
+ char *buf)
{
char *out = buf;
-
- if (!entry || !buf)
+
+ if (!buf)
return -EINVAL;
-
+
/* show the size of the stable storage */
out += sprintf(out, "%ld\n", pdcs_size);
/**
* pdcs_auto_read - Stable Storage autoboot/search flag output.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
* @buf: The output buffer to write to.
* @knob: The PF_AUTOBOOT or PF_AUTOSEARCH flag
*/
-static ssize_t
-pdcs_auto_read(struct subsystem *entry, char *buf, int knob)
+static ssize_t pdcs_auto_read(struct kobject *kobj,
+ struct kobj_attribute *attr,
+ char *buf, int knob)
{
char *out = buf;
struct pdcspath_entry *pathentry;
- if (!entry || !buf)
+ if (!buf)
return -EINVAL;
/* Current flags are stored in primary boot path entry */
/**
* pdcs_autoboot_read - Stable Storage autoboot flag output.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
* @buf: The output buffer to write to.
*/
-static inline ssize_t
-pdcs_autoboot_read(struct subsystem *entry, char *buf)
+static ssize_t pdcs_autoboot_read(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
{
- return pdcs_auto_read(entry, buf, PF_AUTOBOOT);
+ return pdcs_auto_read(kobj, attr, buf, PF_AUTOBOOT);
}
/**
* pdcs_autosearch_read - Stable Storage autoboot flag output.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
* @buf: The output buffer to write to.
*/
-static inline ssize_t
-pdcs_autosearch_read(struct subsystem *entry, char *buf)
+static ssize_t pdcs_autosearch_read(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
{
- return pdcs_auto_read(entry, buf, PF_AUTOSEARCH);
+ return pdcs_auto_read(kobj, attr, buf, PF_AUTOSEARCH);
}
/**
* pdcs_timer_read - Stable Storage timer count output (in seconds).
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
* @buf: The output buffer to write to.
*
* The value of the timer field correponds to a number of seconds in powers of 2.
*/
-static ssize_t
-pdcs_timer_read(struct subsystem *entry, char *buf)
+static ssize_t pdcs_timer_read(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
{
char *out = buf;
struct pdcspath_entry *pathentry;
- if (!entry || !buf)
+ if (!buf)
return -EINVAL;
/* Current flags are stored in primary boot path entry */
/**
* pdcs_osid_read - Stable Storage OS ID register output.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
* @buf: The output buffer to write to.
*/
-static ssize_t
-pdcs_osid_read(struct subsystem *entry, char *buf)
+static ssize_t pdcs_osid_read(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
{
char *out = buf;
- char *tmpstr = NULL;
- if (!entry || !buf)
+ if (!buf)
return -EINVAL;
- switch (pdcs_osid) {
- case 0x0000: tmpstr = "No OS-dependent data"; break;
- case 0x0001: tmpstr = "HP-UX dependent data"; break;
- case 0x0002: tmpstr = "MPE-iX dependent data"; break;
- case 0x0003: tmpstr = "OSF dependent data"; break;
- case 0x0004: tmpstr = "HP-RT dependent data"; break;
- case 0x0005: tmpstr = "Novell Netware dependent data"; break;
- case 0x0006: tmpstr = "Linux dependent data"; break;
- default: tmpstr = "Unknown"; break;
- }
- out += sprintf(out, "%s (0x%.4x)\n", tmpstr, pdcs_osid);
+ out += sprintf(out, "%s dependent data (0x%.4x)\n",
+ os_id_to_string(pdcs_osid), pdcs_osid);
return out - buf;
}
/**
* pdcs_osdep1_read - Stable Storage OS-Dependent data area 1 output.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
* @buf: The output buffer to write to.
*
* This can hold 16 bytes of OS-Dependent data.
*/
-static ssize_t
-pdcs_osdep1_read(struct subsystem *entry, char *buf)
+static ssize_t pdcs_osdep1_read(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
{
char *out = buf;
u32 result[4];
- if (!entry || !buf)
+ if (!buf)
return -EINVAL;
if (pdc_stable_read(PDCS_ADDR_OSD1, &result, sizeof(result)) != PDC_OK)
/**
* pdcs_diagnostic_read - Stable Storage Diagnostic register output.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
* @buf: The output buffer to write to.
*
* I have NFC how to interpret the content of that register ;-).
*/
-static ssize_t
-pdcs_diagnostic_read(struct subsystem *entry, char *buf)
+static ssize_t pdcs_diagnostic_read(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
{
char *out = buf;
u32 result;
- if (!entry || !buf)
+ if (!buf)
return -EINVAL;
/* get diagnostic */
/**
* pdcs_fastsize_read - Stable Storage FastSize register output.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
* @buf: The output buffer to write to.
*
* This register holds the amount of system RAM to be tested during boot sequence.
*/
-static ssize_t
-pdcs_fastsize_read(struct subsystem *entry, char *buf)
+static ssize_t pdcs_fastsize_read(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
{
char *out = buf;
u32 result;
- if (!entry || !buf)
+ if (!buf)
return -EINVAL;
/* get fast-size */
/**
* pdcs_osdep2_read - Stable Storage OS-Dependent data area 2 output.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
* @buf: The output buffer to write to.
*
* This can hold pdcs_size - 224 bytes of OS-Dependent data, when available.
*/
-static ssize_t
-pdcs_osdep2_read(struct subsystem *entry, char *buf)
+static ssize_t pdcs_osdep2_read(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
{
char *out = buf;
unsigned long size;
size = pdcs_size - 224;
- if (!entry || !buf)
+ if (!buf)
return -EINVAL;
for (i=0; i<size; i+=4) {
/**
* pdcs_auto_write - This function handles autoboot/search flag modifying.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
* @buf: The input buffer to read from.
* @count: The number of bytes to be read.
* @knob: The PF_AUTOBOOT or PF_AUTOSEARCH flag
* We expect a precise syntax:
* \"n\" (n == 0 or 1) to toggle AutoBoot Off or On
*/
-static ssize_t
-pdcs_auto_write(struct subsystem *entry, const char *buf, size_t count, int knob)
+static ssize_t pdcs_auto_write(struct kobject *kobj,
+ struct kobj_attribute *attr, const char *buf,
+ size_t count, int knob)
{
struct pdcspath_entry *pathentry;
unsigned char flags;
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
- if (!entry || !buf || !count)
+ if (!buf || !count)
return -EINVAL;
/* We'll use a local copy of buf */
read_unlock(&pathentry->rw_lock);
DPRINTK("%s: flags before: 0x%X\n", __func__, flags);
-
- temp = in;
-
- while (*temp && isspace(*temp))
- temp++;
-
+
+ temp = skip_spaces(in);
+
c = *temp++ - '0';
if ((c != 0) && (c != 1))
goto parse_error;
/**
* pdcs_autoboot_write - This function handles autoboot flag modifying.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
* @buf: The input buffer to read from.
* @count: The number of bytes to be read.
*
* We expect a precise syntax:
* \"n\" (n == 0 or 1) to toggle AutoSearch Off or On
*/
-static inline ssize_t
-pdcs_autoboot_write(struct subsystem *entry, const char *buf, size_t count)
+static ssize_t pdcs_autoboot_write(struct kobject *kobj,
+ struct kobj_attribute *attr,
+ const char *buf, size_t count)
{
- return pdcs_auto_write(entry, buf, count, PF_AUTOBOOT);
+ return pdcs_auto_write(kobj, attr, buf, count, PF_AUTOBOOT);
}
/**
* pdcs_autosearch_write - This function handles autosearch flag modifying.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
* @buf: The input buffer to read from.
* @count: The number of bytes to be read.
*
* We expect a precise syntax:
* \"n\" (n == 0 or 1) to toggle AutoSearch Off or On
*/
-static inline ssize_t
-pdcs_autosearch_write(struct subsystem *entry, const char *buf, size_t count)
+static ssize_t pdcs_autosearch_write(struct kobject *kobj,
+ struct kobj_attribute *attr,
+ const char *buf, size_t count)
{
- return pdcs_auto_write(entry, buf, count, PF_AUTOSEARCH);
+ return pdcs_auto_write(kobj, attr, buf, count, PF_AUTOSEARCH);
}
/**
* pdcs_osdep1_write - Stable Storage OS-Dependent data area 1 input.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
* @buf: The input buffer to read from.
* @count: The number of bytes to be read.
*
* write approach. It's up to userspace to deal with it when constructing
* its input buffer.
*/
-static ssize_t
-pdcs_osdep1_write(struct subsystem *entry, const char *buf, size_t count)
+static ssize_t pdcs_osdep1_write(struct kobject *kobj,
+ struct kobj_attribute *attr,
+ const char *buf, size_t count)
{
u8 in[16];
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
- if (!entry || !buf || !count)
+ if (!buf || !count)
return -EINVAL;
- if (unlikely(pdcs_osid != 0x0006))
+ if (unlikely(pdcs_osid != OS_ID_LINUX))
return -EPERM;
if (count > 16)
/**
* pdcs_osdep2_write - Stable Storage OS-Dependent data area 2 input.
- * @entry: An allocated and populated subsytem struct. We don't use it tho.
* @buf: The input buffer to read from.
* @count: The number of bytes to be read.
*
* byte-by-byte write approach. It's up to userspace to deal with it when
* constructing its input buffer.
*/
-static ssize_t
-pdcs_osdep2_write(struct subsystem *entry, const char *buf, size_t count)
+static ssize_t pdcs_osdep2_write(struct kobject *kobj,
+ struct kobj_attribute *attr,
+ const char *buf, size_t count)
{
unsigned long size;
unsigned short i;
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
- if (!entry || !buf || !count)
+ if (!buf || !count)
return -EINVAL;
if (unlikely(pdcs_size <= 224))
return -ENOSYS;
- if (unlikely(pdcs_osid != 0x0006))
+ if (unlikely(pdcs_osid != OS_ID_LINUX))
return -EPERM;
size = pdcs_size - 224;
static PDCS_ATTR(fastsize, 0400, pdcs_fastsize_read, NULL);
static PDCS_ATTR(osdep2, 0600, pdcs_osdep2_read, pdcs_osdep2_write);
-static struct subsys_attribute *pdcs_subsys_attrs[] = {
- &pdcs_attr_size,
- &pdcs_attr_autoboot,
- &pdcs_attr_autosearch,
- &pdcs_attr_timer,
- &pdcs_attr_osid,
- &pdcs_attr_osdep1,
- &pdcs_attr_diagnostic,
- &pdcs_attr_fastsize,
- &pdcs_attr_osdep2,
+static struct attribute *pdcs_subsys_attrs[] = {
+ &pdcs_attr_size.attr,
+ &pdcs_attr_autoboot.attr,
+ &pdcs_attr_autosearch.attr,
+ &pdcs_attr_timer.attr,
+ &pdcs_attr_osid.attr,
+ &pdcs_attr_osdep1.attr,
+ &pdcs_attr_diagnostic.attr,
+ &pdcs_attr_fastsize.attr,
+ &pdcs_attr_osdep2.attr,
NULL,
};
-static decl_subsys(paths, &ktype_pdcspath, NULL);
-static decl_subsys(stable, NULL, NULL);
+static struct attribute_group pdcs_attr_group = {
+ .attrs = pdcs_subsys_attrs,
+};
+
+static struct kobject *stable_kobj;
+static struct kset *paths_kset;
/**
* pdcs_register_pathentries - Prepares path entries kobjects for sysfs usage.
if (err < 0)
continue;
- if ((err = kobject_set_name(&entry->kobj, "%s", entry->name)))
+ entry->kobj.kset = paths_kset;
+ err = kobject_init_and_add(&entry->kobj, &ktype_pdcspath, NULL,
+ "%s", entry->name);
+ if (err)
return err;
- kobj_set_kset_s(entry, paths_subsys);
- if ((err = kobject_register(&entry->kobj)))
- return err;
-
+
/* kobject is now registered */
write_lock(&entry->rw_lock);
entry->ready = 2;
/* Add a nice symlink to the real device */
- if (entry->dev)
- sysfs_create_link(&entry->kobj, &entry->dev->kobj, "device");
+ if (entry->dev) {
+ err = sysfs_create_link(&entry->kobj, &entry->dev->kobj, "device");
+ WARN_ON(err);
+ }
write_unlock(&entry->rw_lock);
+ kobject_uevent(&entry->kobj, KOBJ_ADD);
}
return 0;
for (i = 0; (entry = pdcspath_entries[i]); i++) {
read_lock(&entry->rw_lock);
if (entry->ready >= 2)
- kobject_unregister(&entry->kobj);
+ kobject_put(&entry->kobj);
read_unlock(&entry->rw_lock);
}
}
static int __init
pdc_stable_init(void)
{
- struct subsys_attribute *attr;
- int i, rc = 0, error = 0;
+ int rc = 0, error = 0;
u32 result;
/* find the size of the stable storage */
/* the actual result is 16 bits away */
pdcs_osid = (u16)(result >> 16);
- /* For now we'll register the stable subsys within this driver */
- if ((rc = firmware_register(&stable_subsys)))
+ /* For now we'll register the directory at /sys/firmware/stable */
+ stable_kobj = kobject_create_and_add("stable", firmware_kobj);
+ if (!stable_kobj) {
+ rc = -ENOMEM;
goto fail_firmreg;
+ }
/* Don't forget the root entries */
- for (i = 0; (attr = pdcs_subsys_attrs[i]) && !error; i++)
- if (attr->show)
- error = subsys_create_file(&stable_subsys, attr);
-
- /* register the paths subsys as a subsystem of stable subsys */
- kset_set_kset_s(&paths_subsys, stable_subsys);
- if ((rc = subsystem_register(&paths_subsys)))
- goto fail_subsysreg;
+ error = sysfs_create_group(stable_kobj, &pdcs_attr_group);
- /* now we create all "files" for the paths subsys */
+ /* register the paths kset as a child of the stable kset */
+ paths_kset = kset_create_and_add("paths", NULL, stable_kobj);
+ if (!paths_kset) {
+ rc = -ENOMEM;
+ goto fail_ksetreg;
+ }
+
+ /* now we create all "files" for the paths kset */
if ((rc = pdcs_register_pathentries()))
goto fail_pdcsreg;
fail_pdcsreg:
pdcs_unregister_pathentries();
- subsystem_unregister(&paths_subsys);
+ kset_unregister(paths_kset);
-fail_subsysreg:
- firmware_unregister(&stable_subsys);
+fail_ksetreg:
+ kobject_put(stable_kobj);
fail_firmreg:
printk(KERN_INFO PDCS_PREFIX " bailing out\n");
pdc_stable_exit(void)
{
pdcs_unregister_pathentries();
- subsystem_unregister(&paths_subsys);
-
- firmware_unregister(&stable_subsys);
+ kset_unregister(paths_kset);
+ kobject_put(stable_kobj);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff