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SCSI misc on 20150209

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This is the usual grab bag of driver updates (hpsa, storvsc, mp2sas,
 megaraid_sas, ses) plus an assortment of minor updates.  There's also an
 update to ufs which adds new phy drivers and finally a new logging
 infrastructure for SCSI.
 
 Signed-off-by: James Bottomley <[email protected]>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull first round of SCSI updates from James Bottomley:
 "This is the usual grab bag of driver updates (hpsa, storvsc, mp2sas,
  megaraid_sas, ses) plus an assortment of minor updates.

  There's also an update to ufs which adds new phy drivers and finally a
  new logging infrastructure for SCSI"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (114 commits)
  scsi_logging: return void for dev_printk() functions
  scsi: print single-character strings with seq_putc
  scsi: merge consecutive seq_puts calls
  scsi: replace seq_printf with seq_puts
  aha152x: replace seq_printf with seq_puts
  advansys: replace seq_printf with seq_puts
  scsi: remove SPRINTF macro
  sg: remove an unused variable
  hpsa: Use local workqueues instead of system workqueues
  hpsa: add in P840ar controller model name
  hpsa: add in gen9 controller model names
  hpsa: detect and report failures changing controller transport modes
  hpsa: shorten the wait for the CISS doorbell mode change ack
  hpsa: refactor duplicated scan completion code into a new routine
  hpsa: move SG descriptor set-up out of hpsa_scatter_gather()
  hpsa: do not use function pointers in fast path command submission
  hpsa: print CDBs instead of kernel virtual addresses for uncommon errors
  hpsa: do not use a void pointer for scsi_cmd field of struct CommandList
  hpsa: return failed from device reset/abort handlers
  hpsa: check for ctlr lockup after command allocation in main io path
  ...
This commit is contained in:
Linus Torvalds 2015-02-11 10:28:45 -08:00
commit 540a7c5061
92 changed files with 6325 additions and 2265 deletions
Download patch file Download diff file Expand all files Collapse all files

108
drivers/misc/enclosure.c
View file

@ -145,8 +145,11 @@ enclosure_register(struct device *dev, const char *name, int components,
if (err)
goto err;
for (i = 0; i < components; i++)
for (i = 0; i < components; i++) {
edev->component[i].number = -1;
edev->component[i].slot = -1;
edev->component[i].power_status = 1;
}
mutex_lock(&container_list_lock);
list_add_tail(&edev->node, &container_list);
@ -273,27 +276,26 @@ enclosure_component_find_by_name(struct enclosure_device *edev,
static const struct attribute_group *enclosure_component_groups[];
/**
* enclosure_component_register - add a particular component to an enclosure
* enclosure_component_alloc - prepare a new enclosure component
* @edev: the enclosure to add the component
* @num: the device number
* @type: the type of component being added
* @name: an optional name to appear in sysfs (leave NULL if none)
*
* Registers the component. The name is optional for enclosures that
* give their components a unique name. If not, leave the field NULL
* and a name will be assigned.
* The name is optional for enclosures that give their components a unique
* name. If not, leave the field NULL and a name will be assigned.
*
* Returns a pointer to the enclosure component or an error.
*/
struct enclosure_component *
enclosure_component_register(struct enclosure_device *edev,
unsigned int number,
enum enclosure_component_type type,
const char *name)
enclosure_component_alloc(struct enclosure_device *edev,
unsigned int number,
enum enclosure_component_type type,
const char *name)
{
struct enclosure_component *ecomp;
struct device *cdev;
int err, i;
int i;
char newname[COMPONENT_NAME_SIZE];
if (number >= edev->components)
@ -327,14 +329,30 @@ enclosure_component_register(struct enclosure_device *edev,
cdev->release = enclosure_component_release;
cdev->groups = enclosure_component_groups;
return ecomp;
}
EXPORT_SYMBOL_GPL(enclosure_component_alloc);
/**
* enclosure_component_register - publishes an initialized enclosure component
* @ecomp: component to add
*
* Returns 0 on successful registration, releases the component otherwise
*/
int enclosure_component_register(struct enclosure_component *ecomp)
{
struct device *cdev;
int err;
cdev = &ecomp->cdev;
err = device_register(cdev);
if (err) {
ecomp->number = -1;
put_device(cdev);
return ERR_PTR(err);
return err;
}
return ecomp;
return 0;
}
EXPORT_SYMBOL_GPL(enclosure_component_register);
@ -417,8 +435,21 @@ static ssize_t components_show(struct device *cdev,
}
static DEVICE_ATTR_RO(components);
static ssize_t id_show(struct device *cdev,
struct device_attribute *attr,
char *buf)
{
struct enclosure_device *edev = to_enclosure_device(cdev);
if (edev->cb->show_id)
return edev->cb->show_id(edev, buf);
return -EINVAL;
}
static DEVICE_ATTR_RO(id);
static struct attribute *enclosure_class_attrs[] = {
&dev_attr_components.attr,
&dev_attr_id.attr,
NULL,
};
ATTRIBUTE_GROUPS(enclosure_class);
@ -553,6 +584,40 @@ static ssize_t set_component_locate(struct device *cdev,
return count;
}
static ssize_t get_component_power_status(struct device *cdev,
struct device_attribute *attr,
char *buf)
{
struct enclosure_device *edev = to_enclosure_device(cdev->parent);
struct enclosure_component *ecomp = to_enclosure_component(cdev);
if (edev->cb->get_power_status)
edev->cb->get_power_status(edev, ecomp);
return snprintf(buf, 40, "%s\n", ecomp->power_status ? "on" : "off");
}
static ssize_t set_component_power_status(struct device *cdev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct enclosure_device *edev = to_enclosure_device(cdev->parent);
struct enclosure_component *ecomp = to_enclosure_component(cdev);
int val;
if (strncmp(buf, "on", 2) == 0 &&
(buf[2] == '\n' || buf[2] == '\0'))
val = 1;
else if (strncmp(buf, "off", 3) == 0 &&
(buf[3] == '\n' || buf[3] == '\0'))
val = 0;
else
return -EINVAL;
if (edev->cb->set_power_status)
edev->cb->set_power_status(edev, ecomp, val);
return count;
}
static ssize_t get_component_type(struct device *cdev,
struct device_attribute *attr, char *buf)
{
@ -561,6 +626,20 @@ static ssize_t get_component_type(struct device *cdev,
return snprintf(buf, 40, "%s\n", enclosure_type[ecomp->type]);
}
static ssize_t get_component_slot(struct device *cdev,
struct device_attribute *attr, char *buf)
{
struct enclosure_component *ecomp = to_enclosure_component(cdev);
int slot;
/* if the enclosure does not override then use 'number' as a stand-in */
if (ecomp->slot >= 0)
slot = ecomp->slot;
else
slot = ecomp->number;
return snprintf(buf, 40, "%d\n", slot);
}
static DEVICE_ATTR(fault, S_IRUGO | S_IWUSR, get_component_fault,
set_component_fault);
@ -570,14 +649,19 @@ static DEVICE_ATTR(active, S_IRUGO | S_IWUSR, get_component_active,
set_component_active);
static DEVICE_ATTR(locate, S_IRUGO | S_IWUSR, get_component_locate,
set_component_locate);
static DEVICE_ATTR(power_status, S_IRUGO | S_IWUSR, get_component_power_status,
set_component_power_status);
static DEVICE_ATTR(type, S_IRUGO, get_component_type, NULL);
static DEVICE_ATTR(slot, S_IRUGO, get_component_slot, NULL);
static struct attribute *enclosure_component_attrs[] = {
&dev_attr_fault.attr,
&dev_attr_status.attr,
&dev_attr_active.attr,
&dev_attr_locate.attr,
&dev_attr_power_status.attr,
&dev_attr_type.attr,
&dev_attr_slot.attr,
NULL
};
ATTRIBUTE_GROUPS(enclosure_component);