mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-26 10:49:33 +00:00
s390/pci: add report_error attribute
Provide an report_error attribute to send an adapter-error notification associated with a PCI function. Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
parent
12283a4035
commit
368704a65b
1 changed files with 23 additions and 0 deletions
|
@ -12,6 +12,8 @@
|
|||
#include <linux/stat.h>
|
||||
#include <linux/pci.h>
|
||||
|
||||
#include <asm/sclp.h>
|
||||
|
||||
#define zpci_attr(name, fmt, member) \
|
||||
static ssize_t name##_show(struct device *dev, \
|
||||
struct device_attribute *attr, char *buf) \
|
||||
|
@ -77,8 +79,29 @@ static ssize_t util_string_read(struct file *filp, struct kobject *kobj,
|
|||
sizeof(zdev->util_str));
|
||||
}
|
||||
static BIN_ATTR_RO(util_string, CLP_UTIL_STR_LEN);
|
||||
|
||||
static ssize_t report_error_write(struct file *filp, struct kobject *kobj,
|
||||
struct bin_attribute *attr, char *buf,
|
||||
loff_t off, size_t count)
|
||||
{
|
||||
struct zpci_report_error_header *report = (void *) buf;
|
||||
struct device *dev = kobj_to_dev(kobj);
|
||||
struct pci_dev *pdev = to_pci_dev(dev);
|
||||
struct zpci_dev *zdev = to_zpci(pdev);
|
||||
int ret;
|
||||
|
||||
if (off || (count < sizeof(*report)))
|
||||
return -EINVAL;
|
||||
|
||||
ret = sclp_pci_report(report, zdev->fh, zdev->fid);
|
||||
|
||||
return ret ? ret : count;
|
||||
}
|
||||
static BIN_ATTR(report_error, S_IWUSR, NULL, report_error_write, PAGE_SIZE);
|
||||
|
||||
static struct bin_attribute *zpci_bin_attrs[] = {
|
||||
&bin_attr_util_string,
|
||||
&bin_attr_report_error,
|
||||
NULL,
|
||||
};
|
||||
|
||||
|
|
Loading…
Reference in a new issue