87 lines
1.9 KiB
C
87 lines
1.9 KiB
C
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/*
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* Copyright IBM Corp. 2012
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*
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* Author(s):
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* Jan Glauber <jang@linux.vnet.ibm.com>
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*/
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#define COMPONENT "zPCI"
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#define pr_fmt(fmt) COMPONENT ": " fmt
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#include <linux/kernel.h>
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#include <linux/stat.h>
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#include <linux/pci.h>
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static ssize_t show_fid(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct zpci_dev *zdev = get_zdev(container_of(dev, struct pci_dev, dev));
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sprintf(buf, "0x%08x\n", zdev->fid);
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return strlen(buf);
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}
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static DEVICE_ATTR(function_id, S_IRUGO, show_fid, NULL);
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static ssize_t show_fh(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct zpci_dev *zdev = get_zdev(container_of(dev, struct pci_dev, dev));
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sprintf(buf, "0x%08x\n", zdev->fh);
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return strlen(buf);
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}
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static DEVICE_ATTR(function_handle, S_IRUGO, show_fh, NULL);
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static ssize_t show_pchid(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct zpci_dev *zdev = get_zdev(container_of(dev, struct pci_dev, dev));
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sprintf(buf, "0x%04x\n", zdev->pchid);
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return strlen(buf);
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}
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static DEVICE_ATTR(pchid, S_IRUGO, show_pchid, NULL);
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static ssize_t show_pfgid(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct zpci_dev *zdev = get_zdev(container_of(dev, struct pci_dev, dev));
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sprintf(buf, "0x%02x\n", zdev->pfgid);
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return strlen(buf);
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}
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static DEVICE_ATTR(pfgid, S_IRUGO, show_pfgid, NULL);
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static struct device_attribute *zpci_dev_attrs[] = {
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&dev_attr_function_id,
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&dev_attr_function_handle,
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&dev_attr_pchid,
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&dev_attr_pfgid,
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NULL,
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};
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int zpci_sysfs_add_device(struct device *dev)
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{
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int i, rc = 0;
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for (i = 0; zpci_dev_attrs[i]; i++) {
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rc = device_create_file(dev, zpci_dev_attrs[i]);
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if (rc)
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goto error;
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}
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return 0;
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error:
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while (--i >= 0)
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device_remove_file(dev, zpci_dev_attrs[i]);
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return rc;
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}
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void zpci_sysfs_remove_device(struct device *dev)
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{
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int i;
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for (i = 0; zpci_dev_attrs[i]; i++)
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device_remove_file(dev, zpci_dev_attrs[i]);
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}
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