| 1 | /* SPDX-License-Identifier: MIT */ |
| 2 | /* |
| 3 | * Copyright © 2023 Intel Corporation |
| 4 | */ |
| 5 | |
| 6 | #ifndef _XE_SRIOV_TYPES_H_ |
| 7 | #define _XE_SRIOV_TYPES_H_ |
| 8 | |
| 9 | #include <linux/build_bug.h> |
| 10 | |
| 11 | /** |
| 12 | * VFID - Virtual Function Identifier |
| 13 | * @n: VF number |
| 14 | * |
| 15 | * Helper macro to represent Virtual Function (VF) Identifier. |
| 16 | * VFID(0) is used as alias to the PFID that represents Physical Function. |
| 17 | * |
| 18 | * Note: According to PCI spec, SR-IOV VF's numbers are 1-based (VF1, VF2, ...). |
| 19 | */ |
| 20 | #define VFID(n) (n) |
| 21 | #define PFID VFID(0) |
| 22 | |
| 23 | /** |
| 24 | * enum xe_sriov_mode - SR-IOV mode |
| 25 | * @XE_SRIOV_MODE_NONE: bare-metal mode (non-virtualized) |
| 26 | * @XE_SRIOV_MODE_PF: SR-IOV Physical Function (PF) mode |
| 27 | * @XE_SRIOV_MODE_VF: SR-IOV Virtual Function (VF) mode |
| 28 | */ |
| 29 | enum xe_sriov_mode { |
| 30 | /* |
| 31 | * Note: We don't use default enum value 0 to allow catch any too early |
| 32 | * attempt of checking the SR-IOV mode prior to the actual mode probe. |
| 33 | */ |
| 34 | XE_SRIOV_MODE_NONE = 1, |
| 35 | XE_SRIOV_MODE_PF, |
| 36 | XE_SRIOV_MODE_VF, |
| 37 | }; |
| 38 | static_assert(XE_SRIOV_MODE_NONE); |
| 39 | |
| 40 | #endif |
| 41 | |