1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 2bfa9cb3eSDan Williams #ifndef _LINUX_AHCI_REMAP_H 3bfa9cb3eSDan Williams #define _LINUX_AHCI_REMAP_H 4bfa9cb3eSDan Williams 5bfa9cb3eSDan Williams #include <linux/sizes.h> 6bfa9cb3eSDan Williams 7bfa9cb3eSDan Williams #define AHCI_VSCAP 0xa4 8bfa9cb3eSDan Williams #define AHCI_REMAP_CAP 0x800 9bfa9cb3eSDan Williams 10bfa9cb3eSDan Williams /* device class code */ 11bfa9cb3eSDan Williams #define AHCI_REMAP_N_DCC 0x880 12bfa9cb3eSDan Williams 13bfa9cb3eSDan Williams /* remap-device base relative to ahci-bar */ 14bfa9cb3eSDan Williams #define AHCI_REMAP_N_OFFSET SZ_16K 15bfa9cb3eSDan Williams #define AHCI_REMAP_N_SIZE SZ_16K 16bfa9cb3eSDan Williams 17bfa9cb3eSDan Williams #define AHCI_MAX_REMAP 3 18bfa9cb3eSDan Williams ahci_remap_dcc(int i)19bfa9cb3eSDan Williamsstatic inline unsigned int ahci_remap_dcc(int i) 20bfa9cb3eSDan Williams { 21bfa9cb3eSDan Williams return AHCI_REMAP_N_DCC + i * 0x80; 22bfa9cb3eSDan Williams } 23bfa9cb3eSDan Williams ahci_remap_base(int i)24bfa9cb3eSDan Williamsstatic inline unsigned int ahci_remap_base(int i) 25bfa9cb3eSDan Williams { 26bfa9cb3eSDan Williams return AHCI_REMAP_N_OFFSET + i * AHCI_REMAP_N_SIZE; 27bfa9cb3eSDan Williams } 28bfa9cb3eSDan Williams 29bfa9cb3eSDan Williams #endif /* _LINUX_AHCI_REMAP_H */ 30