include/linux/ahci-remap.h

   1 #ifndef _LINUX_AHCI_REMAP_H
   2 #define _LINUX_AHCI_REMAP_H
   3
   4 #include <linux/sizes.h>
   5
   6 #define AHCI_VSCAP              0xa4
   7 #define AHCI_REMAP_CAP          0x800
   8
   9 /* device class code */
  10 #define AHCI_REMAP_N_DCC        0x880
  11
  12 /* remap-device base relative to ahci-bar */
  13 #define AHCI_REMAP_N_OFFSET     SZ_16K
  14 #define AHCI_REMAP_N_SIZE       SZ_16K
  15
  16 #define AHCI_MAX_REMAP          3
  17
  18 static inline unsigned int ahci_remap_dcc(int i)
  19 {
  20         return AHCI_REMAP_N_DCC + i * 0x80;
  21 }
  22
  23 static inline unsigned int ahci_remap_base(int i)
  24 {
  25         return AHCI_REMAP_N_OFFSET + i * AHCI_REMAP_N_SIZE;
  26 }
  27
  28 #endif /* _LINUX_AHCI_REMAP_H */