include/linux/compat-3.12.h

   1 #ifndef LINUX_3_12_COMPAT_H
   2 #define LINUX_3_12_COMPAT_H
   3
   4 #include <linux/version.h>
   5
   6 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,12,0))
   7 #include <linux/pci.h>
   8
   9 #ifndef PTR_ERR_OR_ZERO
  10 #define PTR_ERR_OR_ZERO(p) PTR_RET(p)
  11 #endif
  12
  13 #define MODULE_ALIAS_FS(NAME) MODULE_ALIAS("fs-" NAME)
  14
  15 #define file_inode LINUX_BACKPORT(file_inode)
  16 static inline struct inode *file_inode(struct file *f)
  17 {
  18         return f->f_dentry->d_inode;
  19 }
  20
  21 int pcie_get_minimum_link(struct pci_dev *dev, enum pci_bus_speed *speed,
  22                 enum pcie_link_width *width);
  23
  24 /* These values come from the PCI Express Spec */
  25 enum pcie_link_width {
  26         PCIE_LNK_WIDTH_RESRV    = 0x00,
  27         PCIE_LNK_X1             = 0x01,
  28         PCIE_LNK_X2             = 0x02,
  29         PCIE_LNK_X4             = 0x04,
  30         PCIE_LNK_X8             = 0x08,
  31         PCIE_LNK_X12            = 0x0C,
  32         PCIE_LNK_X16            = 0x10,
  33         PCIE_LNK_X32            = 0x20,
  34         PCIE_LNK_WIDTH_UNKNOWN  = 0xFF,
  35 };
  36
  37 /* Based on the PCI Hotplug Spec, but some values are made up by us */
  38 enum pci_bus_speed {
  39         PCI_SPEED_33MHz                 = 0x00,
  40         PCI_SPEED_66MHz                 = 0x01,
  41         PCI_SPEED_66MHz_PCIX            = 0x02,
  42         PCI_SPEED_100MHz_PCIX           = 0x03,
  43         PCI_SPEED_133MHz_PCIX           = 0x04,
  44         PCI_SPEED_66MHz_PCIX_ECC        = 0x05,
  45         PCI_SPEED_100MHz_PCIX_ECC       = 0x06,
  46         PCI_SPEED_133MHz_PCIX_ECC       = 0x07,
  47         PCI_SPEED_66MHz_PCIX_266        = 0x09,
  48         PCI_SPEED_100MHz_PCIX_266       = 0x0a,
  49         PCI_SPEED_133MHz_PCIX_266       = 0x0b,
  50         AGP_UNKNOWN                     = 0x0c,
  51         AGP_1X                          = 0x0d,
  52         AGP_2X                          = 0x0e,
  53         AGP_4X                          = 0x0f,
  54         AGP_8X                          = 0x10,
  55         PCI_SPEED_66MHz_PCIX_533        = 0x11,
  56         PCI_SPEED_100MHz_PCIX_533       = 0x12,
  57         PCI_SPEED_133MHz_PCIX_533       = 0x13,
  58         PCIE_SPEED_2_5GT                = 0x14,
  59         PCIE_SPEED_5_0GT                = 0x15,
  60         PCIE_SPEED_8_0GT                = 0x16,
  61         PCI_SPEED_UNKNOWN               = 0xff,
  62 };
  63
  64 #endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(3,12,0)) */
  65
  66 #endif /* LINUX_3_12_COMPAT_H */