| 1 | /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */ |
|---|---|
| 2 | /* Copyright(c) 2021 Intel Corporation */ |
| 3 | #ifndef ADF_PFVF_UTILS_H |
| 4 | #define ADF_PFVF_UTILS_H |
| 5 | |
| 6 | #include <linux/types.h> |
| 7 | #include "adf_pfvf_msg.h" |
| 8 | |
| 9 | /* How long to wait for far side to acknowledge receipt */ |
| 10 | #define ADF_PFVF_MSG_ACK_DELAY_US 4 |
| 11 | #define ADF_PFVF_MSG_ACK_MAX_DELAY_US (1 * USEC_PER_SEC) |
| 12 | |
| 13 | u8 adf_pfvf_calc_blkmsg_crc(u8 const *buf, u8 buf_len); |
| 14 | void adf_pfvf_crc_init(void); |
| 15 | |
| 16 | struct pfvf_field_format { |
| 17 | u8 offset; |
| 18 | u32 mask; |
| 19 | }; |
| 20 | |
| 21 | struct pfvf_csr_format { |
| 22 | struct pfvf_field_format type; |
| 23 | struct pfvf_field_format data; |
| 24 | }; |
| 25 | |
| 26 | u32 adf_pfvf_csr_msg_of(struct adf_accel_dev *accel_dev, struct pfvf_message msg, |
| 27 | const struct pfvf_csr_format *fmt); |
| 28 | struct pfvf_message adf_pfvf_message_of(struct adf_accel_dev *accel_dev, u32 raw_msg, |
| 29 | const struct pfvf_csr_format *fmt); |
| 30 | |
| 31 | static inline u8 adf_vf_compat_checker(u8 vf_compat_ver) |
| 32 | { |
| 33 | if (vf_compat_ver == 0) |
| 34 | return ADF_PF2VF_VF_INCOMPATIBLE; |
| 35 | |
| 36 | if (vf_compat_ver <= ADF_PFVF_COMPAT_THIS_VERSION) |
| 37 | return ADF_PF2VF_VF_COMPATIBLE; |
| 38 | |
| 39 | return ADF_PF2VF_VF_COMPAT_UNKNOWN; |
| 40 | } |
| 41 | |
| 42 | #endif /* ADF_PFVF_UTILS_H */ |
| 43 |