1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _LINUX_AHCI_REMAP_H 3 #define _LINUX_AHCI_REMAP_H 4 5 #include <linux/sizes.h> 6 7 #define AHCI_VSCAP 0xa4 8 #define AHCI_REMAP_CAP 0x800 9 10 /* device class code */ 11 #define AHCI_REMAP_N_DCC 0x880 12 13 /* remap-device base relative to ahci-bar */ 14 #define AHCI_REMAP_N_OFFSET SZ_16K 15 #define AHCI_REMAP_N_SIZE SZ_16K 16 17 #define AHCI_MAX_REMAP 3 18 19 static inline unsigned int ahci_remap_dcc(int i) 20 { 21 return AHCI_REMAP_N_DCC + i * 0x80; 22 } 23 24 static inline unsigned int ahci_remap_base(int i) 25 { 26 return AHCI_REMAP_N_OFFSET + i * AHCI_REMAP_N_SIZE; 27 } 28 29 #endif /* _LINUX_AHCI_REMAP_H */ 30