| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Dan Williams | bfa9cb3 | 2016-12-02 19:31:02 +0100 | [diff] [blame] | 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 */ |