11e8da956SJan Glauber /* 21e8da956SJan Glauber * Copyright IBM Corp. 2012 31e8da956SJan Glauber * 41e8da956SJan Glauber * Author(s): 51e8da956SJan Glauber * Jan Glauber <jang@linux.vnet.ibm.com> 61e8da956SJan Glauber */ 71e8da956SJan Glauber 81e8da956SJan Glauber #define COMPONENT "zPCI" 91e8da956SJan Glauber #define pr_fmt(fmt) COMPONENT ": " fmt 101e8da956SJan Glauber 111e8da956SJan Glauber #include <linux/kernel.h> 121e8da956SJan Glauber #include <linux/stat.h> 131e8da956SJan Glauber #include <linux/pci.h> 141e8da956SJan Glauber 151e8da956SJan Glauber static ssize_t show_fid(struct device *dev, struct device_attribute *attr, 161e8da956SJan Glauber char *buf) 171e8da956SJan Glauber { 18*9294896eSSebastian Ott struct zpci_dev *zdev = get_zdev(to_pci_dev(dev)); 191e8da956SJan Glauber 201e8da956SJan Glauber sprintf(buf, "0x%08x\n", zdev->fid); 211e8da956SJan Glauber return strlen(buf); 221e8da956SJan Glauber } 231e8da956SJan Glauber static DEVICE_ATTR(function_id, S_IRUGO, show_fid, NULL); 241e8da956SJan Glauber 251e8da956SJan Glauber static ssize_t show_fh(struct device *dev, struct device_attribute *attr, 261e8da956SJan Glauber char *buf) 271e8da956SJan Glauber { 28*9294896eSSebastian Ott struct zpci_dev *zdev = get_zdev(to_pci_dev(dev)); 291e8da956SJan Glauber 301e8da956SJan Glauber sprintf(buf, "0x%08x\n", zdev->fh); 311e8da956SJan Glauber return strlen(buf); 321e8da956SJan Glauber } 331e8da956SJan Glauber static DEVICE_ATTR(function_handle, S_IRUGO, show_fh, NULL); 341e8da956SJan Glauber 351e8da956SJan Glauber static ssize_t show_pchid(struct device *dev, struct device_attribute *attr, 361e8da956SJan Glauber char *buf) 371e8da956SJan Glauber { 38*9294896eSSebastian Ott struct zpci_dev *zdev = get_zdev(to_pci_dev(dev)); 391e8da956SJan Glauber 401e8da956SJan Glauber sprintf(buf, "0x%04x\n", zdev->pchid); 411e8da956SJan Glauber return strlen(buf); 421e8da956SJan Glauber } 431e8da956SJan Glauber static DEVICE_ATTR(pchid, S_IRUGO, show_pchid, NULL); 441e8da956SJan Glauber 451e8da956SJan Glauber static ssize_t show_pfgid(struct device *dev, struct device_attribute *attr, 461e8da956SJan Glauber char *buf) 471e8da956SJan Glauber { 48*9294896eSSebastian Ott struct zpci_dev *zdev = get_zdev(to_pci_dev(dev)); 491e8da956SJan Glauber 501e8da956SJan Glauber sprintf(buf, "0x%02x\n", zdev->pfgid); 511e8da956SJan Glauber return strlen(buf); 521e8da956SJan Glauber } 531e8da956SJan Glauber static DEVICE_ATTR(pfgid, S_IRUGO, show_pfgid, NULL); 541e8da956SJan Glauber 551e8da956SJan Glauber static struct device_attribute *zpci_dev_attrs[] = { 561e8da956SJan Glauber &dev_attr_function_id, 571e8da956SJan Glauber &dev_attr_function_handle, 581e8da956SJan Glauber &dev_attr_pchid, 591e8da956SJan Glauber &dev_attr_pfgid, 601e8da956SJan Glauber NULL, 611e8da956SJan Glauber }; 621e8da956SJan Glauber 631e8da956SJan Glauber int zpci_sysfs_add_device(struct device *dev) 641e8da956SJan Glauber { 651e8da956SJan Glauber int i, rc = 0; 661e8da956SJan Glauber 671e8da956SJan Glauber for (i = 0; zpci_dev_attrs[i]; i++) { 681e8da956SJan Glauber rc = device_create_file(dev, zpci_dev_attrs[i]); 691e8da956SJan Glauber if (rc) 701e8da956SJan Glauber goto error; 711e8da956SJan Glauber } 721e8da956SJan Glauber return 0; 731e8da956SJan Glauber 741e8da956SJan Glauber error: 751e8da956SJan Glauber while (--i >= 0) 761e8da956SJan Glauber device_remove_file(dev, zpci_dev_attrs[i]); 771e8da956SJan Glauber return rc; 781e8da956SJan Glauber } 791e8da956SJan Glauber 801e8da956SJan Glauber void zpci_sysfs_remove_device(struct device *dev) 811e8da956SJan Glauber { 821e8da956SJan Glauber int i; 831e8da956SJan Glauber 841e8da956SJan Glauber for (i = 0; zpci_dev_attrs[i]; i++) 851e8da956SJan Glauber device_remove_file(dev, zpci_dev_attrs[i]); 861e8da956SJan Glauber } 87