| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* |
| 3 | * IBM System z PNET ID Support |
| 4 | * |
| 5 | * Copyright IBM Corp. 2018 |
| 6 | */ |
| 7 | |
| 8 | #ifndef _ASM_S390_PNET_H |
| 9 | #define _ASM_S390_PNET_H |
| 10 | |
| 11 | #include <linux/device.h> |
| 12 | #include <linux/types.h> |
| 13 | |
| 14 | #define PNETIDS_LEN 64 /* Total utility string length in bytes |
| 15 | * to cover up to 4 PNETIDs of 16 bytes |
| 16 | * for up to 4 device ports |
| 17 | */ |
| 18 | #define MAX_PNETID_LEN 16 /* Max.length of a single port PNETID */ |
| 19 | #define MAX_PNETID_PORTS (PNETIDS_LEN / MAX_PNETID_LEN) |
| 20 | /* Max. # of ports with a PNETID */ |
| 21 | |
| 22 | int pnet_id_by_dev_port(struct device *dev, unsigned short port, u8 *pnetid); |
| 23 | #endif /* _ASM_S390_PNET_H */ |