#include <linux/workqueue.h>
#include <linux/blkdev.h>
#include <linux/mutex.h>
+#include <linux/sysfs.h>
#include <scsi/scsi.h>
#include "scsi_priv.h"
#include <scsi/scsi_device.h>
}
static int spi_host_setup(struct transport_container *tc, struct device *dev,
- struct class_device *cdev)
+ struct device *cdev)
{
struct Scsi_Host *shost = dev_to_shost(dev);
static int spi_host_configure(struct transport_container *tc,
struct device *dev,
- struct class_device *cdev);
+ struct device *cdev);
static DECLARE_TRANSPORT_CLASS(spi_host_class,
"spi_host",
static int spi_target_configure(struct transport_container *tc,
struct device *dev,
- struct class_device *cdev);
+ struct device *cdev);
static int spi_device_configure(struct transport_container *tc,
struct device *dev,
- struct class_device *cdev)
+ struct device *cdev)
{
struct scsi_device *sdev = to_scsi_device(dev);
struct scsi_target *starget = sdev->sdev_target;
static int spi_setup_transport_attrs(struct transport_container *tc,
struct device *dev,
- struct class_device *cdev)
+ struct device *cdev)
{
struct scsi_target *starget = to_scsi_target(dev);
#define spi_transport_show_simple(field, format_string) \
\
static ssize_t \
-show_spi_transport_##field(struct class_device *cdev, char *buf) \
+show_spi_transport_##field(struct device *dev, \
+ struct device_attribute *attr, char *buf) \
{ \
- struct scsi_target *starget = transport_class_to_starget(cdev); \
+ struct scsi_target *starget = transport_class_to_starget(dev); \
struct spi_transport_attrs *tp; \
\
tp = (struct spi_transport_attrs *)&starget->starget_data; \
#define spi_transport_store_simple(field, format_string) \
\
static ssize_t \
-store_spi_transport_##field(struct class_device *cdev, const char *buf, \
- size_t count) \
+store_spi_transport_##field(struct device *dev, \
+ struct device_attribute *attr, \
+ const char *buf, size_t count) \
{ \
int val; \
- struct scsi_target *starget = transport_class_to_starget(cdev); \
+ struct scsi_target *starget = transport_class_to_starget(dev); \
struct spi_transport_attrs *tp; \
\
tp = (struct spi_transport_attrs *)&starget->starget_data; \
#define spi_transport_show_function(field, format_string) \
\
static ssize_t \
-show_spi_transport_##field(struct class_device *cdev, char *buf) \
+show_spi_transport_##field(struct device *dev, \
+ struct device_attribute *attr, char *buf) \
{ \
- struct scsi_target *starget = transport_class_to_starget(cdev); \
+ struct scsi_target *starget = transport_class_to_starget(dev); \
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); \
struct spi_transport_attrs *tp; \
struct spi_internal *i = to_spi_internal(shost->transportt); \
#define spi_transport_store_function(field, format_string) \
static ssize_t \
-store_spi_transport_##field(struct class_device *cdev, const char *buf, \
- size_t count) \
+store_spi_transport_##field(struct device *dev, \
+ struct device_attribute *attr, \
+ const char *buf, size_t count) \
{ \
int val; \
- struct scsi_target *starget = transport_class_to_starget(cdev); \
+ struct scsi_target *starget = transport_class_to_starget(dev); \
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); \
struct spi_internal *i = to_spi_internal(shost->transportt); \
\
#define spi_transport_store_max(field, format_string) \
static ssize_t \
-store_spi_transport_##field(struct class_device *cdev, const char *buf, \
- size_t count) \
+store_spi_transport_##field(struct device *dev, \
+ struct device_attribute *attr, \
+ const char *buf, size_t count) \
{ \
int val; \
- struct scsi_target *starget = transport_class_to_starget(cdev); \
+ struct scsi_target *starget = transport_class_to_starget(dev); \
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); \
struct spi_internal *i = to_spi_internal(shost->transportt); \
struct spi_transport_attrs *tp \
#define spi_transport_rd_attr(field, format_string) \
spi_transport_show_function(field, format_string) \
spi_transport_store_function(field, format_string) \
-static CLASS_DEVICE_ATTR(field, S_IRUGO, \
- show_spi_transport_##field, \
- store_spi_transport_##field);
+static DEVICE_ATTR(field, S_IRUGO, \
+ show_spi_transport_##field, \
+ store_spi_transport_##field);
#define spi_transport_simple_attr(field, format_string) \
spi_transport_show_simple(field, format_string) \
spi_transport_store_simple(field, format_string) \
-static CLASS_DEVICE_ATTR(field, S_IRUGO, \
- show_spi_transport_##field, \
- store_spi_transport_##field);
+static DEVICE_ATTR(field, S_IRUGO, \
+ show_spi_transport_##field, \
+ store_spi_transport_##field);
#define spi_transport_max_attr(field, format_string) \
spi_transport_show_function(field, format_string) \
spi_transport_store_max(field, format_string) \
spi_transport_simple_attr(max_##field, format_string) \
-static CLASS_DEVICE_ATTR(field, S_IRUGO, \
- show_spi_transport_##field, \
- store_spi_transport_##field);
+static DEVICE_ATTR(field, S_IRUGO, \
+ show_spi_transport_##field, \
+ store_spi_transport_##field);
/* The Parallel SCSI Tranport Attributes: */
spi_transport_max_attr(offset, "%d\n");
spi_transport_rd_attr(pcomp_en, "%d\n");
spi_transport_rd_attr(hold_mcs, "%d\n");
-/* we only care about the first child device so we return 1 */
+/* we only care about the first child device that's a real SCSI device
+ * so we return 1 to terminate the iteration when we find it */
static int child_iter(struct device *dev, void *data)
{
- struct scsi_device *sdev = to_scsi_device(dev);
+ if (!scsi_is_sdev_device(dev))
+ return 0;
- spi_dv_device(sdev);
+ spi_dv_device(to_scsi_device(dev));
return 1;
}
static ssize_t
-store_spi_revalidate(struct class_device *cdev, const char *buf, size_t count)
+store_spi_revalidate(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
- struct scsi_target *starget = transport_class_to_starget(cdev);
+ struct scsi_target *starget = transport_class_to_starget(dev);
device_for_each_child(&starget->dev, NULL, child_iter);
return count;
}
-static CLASS_DEVICE_ATTR(revalidate, S_IWUSR, NULL, store_spi_revalidate);
+static DEVICE_ATTR(revalidate, S_IWUSR, NULL, store_spi_revalidate);
/* Translate the period into ns according to the current spec
* for SDTR/PPR messages */
}
static ssize_t
-store_spi_transport_period_helper(struct class_device *cdev, const char *buf,
+store_spi_transport_period_helper(struct device *dev, const char *buf,
size_t count, int *periodp)
{
int j, picosec, period = -1;
}
static ssize_t
-show_spi_transport_period(struct class_device *cdev, char *buf)
+show_spi_transport_period(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
- struct scsi_target *starget = transport_class_to_starget(cdev);
+ struct scsi_target *starget = transport_class_to_starget(dev);
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
struct spi_internal *i = to_spi_internal(shost->transportt);
struct spi_transport_attrs *tp =
}
static ssize_t
-store_spi_transport_period(struct class_device *cdev, const char *buf,
- size_t count)
+store_spi_transport_period(struct device *cdev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct scsi_target *starget = transport_class_to_starget(cdev);
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
return retval;
}
-static CLASS_DEVICE_ATTR(period, S_IRUGO,
- show_spi_transport_period,
- store_spi_transport_period);
+static DEVICE_ATTR(period, S_IRUGO,
+ show_spi_transport_period,
+ store_spi_transport_period);
static ssize_t
-show_spi_transport_min_period(struct class_device *cdev, char *buf)
+show_spi_transport_min_period(struct device *cdev,
+ struct device_attribute *attr, char *buf)
{
struct scsi_target *starget = transport_class_to_starget(cdev);
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
}
static ssize_t
-store_spi_transport_min_period(struct class_device *cdev, const char *buf,
- size_t count)
+store_spi_transport_min_period(struct device *cdev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct scsi_target *starget = transport_class_to_starget(cdev);
struct spi_transport_attrs *tp =
}
-static CLASS_DEVICE_ATTR(min_period, S_IRUGO,
- show_spi_transport_min_period,
- store_spi_transport_min_period);
+static DEVICE_ATTR(min_period, S_IRUGO,
+ show_spi_transport_min_period,
+ store_spi_transport_min_period);
-static ssize_t show_spi_host_signalling(struct class_device *cdev, char *buf)
+static ssize_t show_spi_host_signalling(struct device *cdev,
+ struct device_attribute *attr,
+ char *buf)
{
struct Scsi_Host *shost = transport_class_to_shost(cdev);
struct spi_internal *i = to_spi_internal(shost->transportt);
return sprintf(buf, "%s\n", spi_signal_to_string(spi_signalling(shost)));
}
-static ssize_t store_spi_host_signalling(struct class_device *cdev,
+static ssize_t store_spi_host_signalling(struct device *dev,
+ struct device_attribute *attr,
const char *buf, size_t count)
{
- struct Scsi_Host *shost = transport_class_to_shost(cdev);
+ struct Scsi_Host *shost = transport_class_to_shost(dev);
struct spi_internal *i = to_spi_internal(shost->transportt);
enum spi_signal_type type = spi_signal_to_value(buf);
return count;
}
-static CLASS_DEVICE_ATTR(signalling, S_IRUGO,
- show_spi_host_signalling,
- store_spi_host_signalling);
+static DEVICE_ATTR(signalling, S_IRUGO,
+ show_spi_host_signalling,
+ store_spi_host_signalling);
#define DV_SET(x, y) \
if(i->f->set_##x) \
spi_device_configure);
static struct attribute *host_attributes[] = {
- &class_device_attr_signalling.attr,
+ &dev_attr_signalling.attr,
NULL
};
static int spi_host_configure(struct transport_container *tc,
struct device *dev,
- struct class_device *cdev)
+ struct device *cdev)
{
struct kobject *kobj = &cdev->kobj;
struct Scsi_Host *shost = transport_class_to_shost(cdev);
struct spi_internal *si = to_spi_internal(shost->transportt);
- struct attribute *attr = &class_device_attr_signalling.attr;
+ struct attribute *attr = &dev_attr_signalling.attr;
int rc = 0;
if (si->f->set_signalling)
* overloads the return by setting 1<<1 if the attribute should
* be writeable */
#define TARGET_ATTRIBUTE_HELPER(name) \
- (si->f->show_##name ? 1 : 0) + \
- (si->f->set_##name ? 2 : 0)
+ (si->f->show_##name ? S_IRUGO : 0) | \
+ (si->f->set_##name ? S_IWUSR : 0)
-static int target_attribute_is_visible(struct kobject *kobj,
- struct attribute *attr, int i)
+static mode_t target_attribute_is_visible(struct kobject *kobj,
+ struct attribute *attr, int i)
{
- struct class_device *cdev =
- container_of(kobj, struct class_device, kobj);
+ struct device *cdev = container_of(kobj, struct device, kobj);
struct scsi_target *starget = transport_class_to_starget(cdev);
struct Scsi_Host *shost = transport_class_to_shost(cdev);
struct spi_internal *si = to_spi_internal(shost->transportt);
- if (attr == &class_device_attr_period.attr &&
+ if (attr == &dev_attr_period.attr &&
spi_support_sync(starget))
return TARGET_ATTRIBUTE_HELPER(period);
- else if (attr == &class_device_attr_min_period.attr &&
+ else if (attr == &dev_attr_min_period.attr &&
spi_support_sync(starget))
return TARGET_ATTRIBUTE_HELPER(period);
- else if (attr == &class_device_attr_offset.attr &&
+ else if (attr == &dev_attr_offset.attr &&
spi_support_sync(starget))
return TARGET_ATTRIBUTE_HELPER(offset);
- else if (attr == &class_device_attr_max_offset.attr &&
+ else if (attr == &dev_attr_max_offset.attr &&
spi_support_sync(starget))
return TARGET_ATTRIBUTE_HELPER(offset);
- else if (attr == &class_device_attr_width.attr &&
+ else if (attr == &dev_attr_width.attr &&
spi_support_wide(starget))
return TARGET_ATTRIBUTE_HELPER(width);
- else if (attr == &class_device_attr_max_width.attr &&
+ else if (attr == &dev_attr_max_width.attr &&
spi_support_wide(starget))
return TARGET_ATTRIBUTE_HELPER(width);
- else if (attr == &class_device_attr_iu.attr &&
+ else if (attr == &dev_attr_iu.attr &&
spi_support_ius(starget))
return TARGET_ATTRIBUTE_HELPER(iu);
- else if (attr == &class_device_attr_dt.attr &&
+ else if (attr == &dev_attr_dt.attr &&
spi_support_dt(starget))
return TARGET_ATTRIBUTE_HELPER(dt);
- else if (attr == &class_device_attr_qas.attr &&
+ else if (attr == &dev_attr_qas.attr &&
spi_support_qas(starget))
return TARGET_ATTRIBUTE_HELPER(qas);
- else if (attr == &class_device_attr_wr_flow.attr &&
+ else if (attr == &dev_attr_wr_flow.attr &&
spi_support_ius(starget))
return TARGET_ATTRIBUTE_HELPER(wr_flow);
- else if (attr == &class_device_attr_rd_strm.attr &&
+ else if (attr == &dev_attr_rd_strm.attr &&
spi_support_ius(starget))
return TARGET_ATTRIBUTE_HELPER(rd_strm);
- else if (attr == &class_device_attr_rti.attr &&
+ else if (attr == &dev_attr_rti.attr &&
spi_support_ius(starget))
return TARGET_ATTRIBUTE_HELPER(rti);
- else if (attr == &class_device_attr_pcomp_en.attr &&
+ else if (attr == &dev_attr_pcomp_en.attr &&
spi_support_ius(starget))
return TARGET_ATTRIBUTE_HELPER(pcomp_en);
- else if (attr == &class_device_attr_hold_mcs.attr &&
+ else if (attr == &dev_attr_hold_mcs.attr &&
spi_support_ius(starget))
return TARGET_ATTRIBUTE_HELPER(hold_mcs);
- else if (attr == &class_device_attr_revalidate.attr)
- return 1;
+ else if (attr == &dev_attr_revalidate.attr)
+ return S_IWUSR;
return 0;
}
static struct attribute *target_attributes[] = {
- &class_device_attr_period.attr,
- &class_device_attr_min_period.attr,
- &class_device_attr_offset.attr,
- &class_device_attr_max_offset.attr,
- &class_device_attr_width.attr,
- &class_device_attr_max_width.attr,
- &class_device_attr_iu.attr,
- &class_device_attr_dt.attr,
- &class_device_attr_qas.attr,
- &class_device_attr_wr_flow.attr,
- &class_device_attr_rd_strm.attr,
- &class_device_attr_rti.attr,
- &class_device_attr_pcomp_en.attr,
- &class_device_attr_hold_mcs.attr,
- &class_device_attr_revalidate.attr,
+ &dev_attr_period.attr,
+ &dev_attr_min_period.attr,
+ &dev_attr_offset.attr,
+ &dev_attr_max_offset.attr,
+ &dev_attr_width.attr,
+ &dev_attr_max_width.attr,
+ &dev_attr_iu.attr,
+ &dev_attr_dt.attr,
+ &dev_attr_qas.attr,
+ &dev_attr_wr_flow.attr,
+ &dev_attr_rd_strm.attr,
+ &dev_attr_rti.attr,
+ &dev_attr_pcomp_en.attr,
+ &dev_attr_hold_mcs.attr,
+ &dev_attr_revalidate.attr,
NULL
};
static int spi_target_configure(struct transport_container *tc,
struct device *dev,
- struct class_device *cdev)
+ struct device *cdev)
{
struct kobject *kobj = &cdev->kobj;
- int i;
- struct attribute *attr;
- int rc;
-
- for (i = 0; (attr = target_attributes[i]) != NULL; i++) {
- int j = target_attribute_group.is_visible(kobj, attr, i);
-
- /* FIXME: as well as returning -EEXIST, which we'd like
- * to ignore, sysfs also does a WARN_ON and dumps a trace,
- * which is bad, so temporarily, skip attributes that are
- * already visible (the revalidate one) */
- if (j && attr != &class_device_attr_revalidate.attr)
- rc = sysfs_add_file_to_group(kobj, attr,
- target_attribute_group.name);
- /* and make the attribute writeable if we have a set
- * function */
- if ((j & 1))
- rc = sysfs_chmod_file(kobj, attr, attr->mode | S_IWUSR);
- }
+
+ /* force an update based on parameters read from the device */
+ sysfs_update_group(kobj, &target_attribute_group);
return 0;
}
git.openpandora.org / pandora-kernel.git / blobdiff