#include "scsi_priv.h"
#include "scsi_logging.h"
+static struct device_type scsi_dev_type;
+
static const struct {
enum scsi_device_state value;
char *name;
{ SDEV_QUIESCE, "quiesce" },
{ SDEV_OFFLINE, "offline" },
{ SDEV_BLOCK, "blocked" },
+ { SDEV_CREATED_BLOCK, "created-blocked" },
};
const char *scsi_device_state_name(enum scsi_device_state state)
shost_rd_attr(can_queue, "%hd\n");
shost_rd_attr(sg_tablesize, "%hu\n");
shost_rd_attr(unchecked_isa_dma, "%d\n");
+shost_rd_attr(prot_capabilities, "%u\n");
+shost_rd_attr(prot_guard_type, "%hd\n");
shost_rd_attr2(proc_name, hostt->proc_name, "%s\n");
-static struct device_attribute *scsi_sysfs_shost_attrs[] = {
- &dev_attr_unique_id,
- &dev_attr_host_busy,
- &dev_attr_cmd_per_lun,
- &dev_attr_can_queue,
- &dev_attr_sg_tablesize,
- &dev_attr_unchecked_isa_dma,
- &dev_attr_proc_name,
- &dev_attr_scan,
- &dev_attr_hstate,
- &dev_attr_supported_mode,
- &dev_attr_active_mode,
+static struct attribute *scsi_sysfs_shost_attrs[] = {
+ &dev_attr_unique_id.attr,
+ &dev_attr_host_busy.attr,
+ &dev_attr_cmd_per_lun.attr,
+ &dev_attr_can_queue.attr,
+ &dev_attr_sg_tablesize.attr,
+ &dev_attr_unchecked_isa_dma.attr,
+ &dev_attr_proc_name.attr,
+ &dev_attr_scan.attr,
+ &dev_attr_hstate.attr,
+ &dev_attr_supported_mode.attr,
+ &dev_attr_active_mode.attr,
+ &dev_attr_prot_capabilities.attr,
+ &dev_attr_prot_guard_type.attr,
+ NULL
+};
+
+struct attribute_group scsi_shost_attr_group = {
+ .attrs = scsi_sysfs_shost_attrs,
+};
+
+const struct attribute_group *scsi_sysfs_shost_attr_groups[] = {
+ &scsi_shost_attr_group,
NULL
};
/* all probing is done in the individual ->probe routines */
static int scsi_bus_match(struct device *dev, struct device_driver *gendrv)
{
- struct scsi_device *sdp = to_scsi_device(dev);
+ struct scsi_device *sdp;
+
+ if (dev->type != &scsi_dev_type)
+ return 0;
+
+ sdp = to_scsi_device(dev);
if (sdp->no_uld_attach)
return 0;
return (sdp->inq_periph_qual == SCSI_INQ_PQ_CON)? 1: 0;
static int scsi_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
{
- struct scsi_device *sdev = to_scsi_device(dev);
+ struct scsi_device *sdev;
+
+ if (dev->type != &scsi_dev_type)
+ return 0;
+
+ sdev = to_scsi_device(dev);
add_uevent_var(env, "MODALIAS=" SCSI_DEVICE_MODALIAS_FMT, sdev->type);
return 0;
static int scsi_bus_suspend(struct device * dev, pm_message_t state)
{
- struct device_driver *drv = dev->driver;
- struct scsi_device *sdev = to_scsi_device(dev);
+ struct device_driver *drv;
+ struct scsi_device *sdev;
int err;
+ if (dev->type != &scsi_dev_type)
+ return 0;
+
+ drv = dev->driver;
+ sdev = to_scsi_device(dev);
+
err = scsi_device_quiesce(sdev);
if (err)
return err;
static int scsi_bus_resume(struct device * dev)
{
- struct device_driver *drv = dev->driver;
- struct scsi_device *sdev = to_scsi_device(dev);
+ struct device_driver *drv;
+ struct scsi_device *sdev;
int err = 0;
+ if (dev->type != &scsi_dev_type)
+ return 0;
+
+ drv = dev->driver;
+ sdev = to_scsi_device(dev);
+
if (drv && drv->resume)
err = drv->resume(dev);
return err;
}
-static int scsi_bus_remove(struct device *dev)
-{
- struct device_driver *drv = dev->driver;
- struct scsi_device *sdev = to_scsi_device(dev);
- int err = 0;
-
- /* reset the prep_fn back to the default since the
- * driver may have altered it and it's being removed */
- blk_queue_prep_rq(sdev->request_queue, scsi_prep_fn);
-
- if (drv && drv->remove)
- err = drv->remove(dev);
-
- return 0;
-}
-
struct bus_type scsi_bus_type = {
.name = "scsi",
.match = scsi_bus_match,
.uevent = scsi_bus_uevent,
.suspend = scsi_bus_suspend,
.resume = scsi_bus_resume,
- .remove = scsi_bus_remove,
};
+EXPORT_SYMBOL_GPL(scsi_bus_type);
int scsi_sysfs_register(void)
{
sdev_rd_attr (model, "%.16s\n");
sdev_rd_attr (rev, "%.4s\n");
+/*
+ * TODO: can we make these symlinks to the block layer ones?
+ */
static ssize_t
sdev_show_timeout (struct device *dev, struct device_attribute *attr, char *buf)
{
struct scsi_device *sdev;
sdev = to_scsi_device(dev);
- return snprintf (buf, 20, "%d\n", sdev->timeout / HZ);
+ return snprintf(buf, 20, "%d\n", sdev->request_queue->rq_timeout / HZ);
}
static ssize_t
int timeout;
sdev = to_scsi_device(dev);
sscanf (buf, "%d\n", &timeout);
- sdev->timeout = timeout * HZ;
+ blk_queue_rq_timeout(sdev->request_queue, timeout * HZ);
return count;
}
static DEVICE_ATTR(timeout, S_IRUGO | S_IWUSR, sdev_show_timeout, sdev_store_timeout);
.attrs = scsi_sdev_attrs,
};
-static struct attribute_group *scsi_sdev_attr_groups[] = {
+static const struct attribute_group *scsi_sdev_attr_groups[] = {
&scsi_sdev_attr_group,
NULL
};
return count;
}
+static int scsi_target_add(struct scsi_target *starget)
+{
+ int error;
+
+ if (starget->state != STARGET_CREATED)
+ return 0;
+
+ error = device_add(&starget->dev);
+ if (error) {
+ dev_err(&starget->dev, "target device_add failed, error %d\n", error);
+ get_device(&starget->dev);
+ scsi_target_reap(starget);
+ put_device(&starget->dev);
+ return error;
+ }
+ transport_add_device(&starget->dev);
+ starget->state = STARGET_RUNNING;
+
+ return 0;
+}
+
static struct device_attribute sdev_attr_queue_type_rw =
__ATTR(queue_type, S_IRUGO | S_IWUSR, show_queue_type_field,
sdev_store_queue_type_rw);
{
int error, i;
struct request_queue *rq = sdev->request_queue;
+ struct scsi_target *starget = sdev->sdev_target;
if ((error = scsi_device_set_state(sdev, SDEV_RUNNING)) != 0)
return error;
+ error = scsi_target_add(starget);
+ if (error)
+ return error;
+
+ transport_configure_device(&starget->dev);
error = device_add(&sdev->sdev_gendev);
if (error) {
put_device(sdev->sdev_gendev.parent);
goto out;
}
- error = bsg_register_queue(rq, &sdev->sdev_gendev, NULL);
+ error = bsg_register_queue(rq, &sdev->sdev_gendev, NULL, NULL);
if (error)
sdev_printk(KERN_INFO, sdev,
}
EXPORT_SYMBOL(scsi_register_interface);
-
-static struct device_attribute *class_attr_overridden(
- struct device_attribute **attrs,
- struct device_attribute *attr)
-{
- int i;
-
- if (!attrs)
- return NULL;
- for (i = 0; attrs[i]; i++)
- if (!strcmp(attrs[i]->attr.name, attr->attr.name))
- return attrs[i];
- return NULL;
-}
-
-static int class_attr_add(struct device *classdev,
- struct device_attribute *attr)
-{
- struct device_attribute *base_attr;
-
- /*
- * Spare the caller from having to copy things it's not interested in.
- */
- base_attr = class_attr_overridden(scsi_sysfs_shost_attrs, attr);
- if (base_attr) {
- /* extend permissions */
- attr->attr.mode |= base_attr->attr.mode;
-
- /* override null show/store with default */
- if (!attr->show)
- attr->show = base_attr->show;
- if (!attr->store)
- attr->store = base_attr->store;
- }
-
- return device_create_file(classdev, attr);
-}
-
/**
* scsi_sysfs_add_host - add scsi host to subsystem
* @shost: scsi host struct to add to subsystem
- * @dev: parent struct device pointer
**/
int scsi_sysfs_add_host(struct Scsi_Host *shost)
{
int error, i;
+ /* add host specific attributes */
if (shost->hostt->shost_attrs) {
for (i = 0; shost->hostt->shost_attrs[i]; i++) {
- error = class_attr_add(&shost->shost_dev,
- shost->hostt->shost_attrs[i]);
- if (error)
- return error;
- }
- }
-
- for (i = 0; scsi_sysfs_shost_attrs[i]; i++) {
- if (!class_attr_overridden(shost->hostt->shost_attrs,
- scsi_sysfs_shost_attrs[i])) {
error = device_create_file(&shost->shost_dev,
- scsi_sysfs_shost_attrs[i]);
+ shost->hostt->shost_attrs[i]);
if (error)
return error;
}
device_initialize(&sdev->sdev_gendev);
sdev->sdev_gendev.bus = &scsi_bus_type;
sdev->sdev_gendev.type = &scsi_dev_type;
- sprintf(sdev->sdev_gendev.bus_id,"%d:%d:%d:%d",
- sdev->host->host_no, sdev->channel, sdev->id,
- sdev->lun);
-
+ dev_set_name(&sdev->sdev_gendev, "%d:%d:%d:%d",
+ sdev->host->host_no, sdev->channel, sdev->id, sdev->lun);
+
device_initialize(&sdev->sdev_dev);
sdev->sdev_dev.parent = &sdev->sdev_gendev;
sdev->sdev_dev.class = &sdev_class;
- snprintf(sdev->sdev_dev.bus_id, BUS_ID_SIZE,
- "%d:%d:%d:%d", sdev->host->host_no,
- sdev->channel, sdev->id, sdev->lun);
+ dev_set_name(&sdev->sdev_dev, "%d:%d:%d:%d",
+ sdev->host->host_no, sdev->channel, sdev->id, sdev->lun);
sdev->scsi_level = starget->scsi_level;
transport_setup_device(&sdev->sdev_gendev);
spin_lock_irqsave(shost->host_lock, flags);