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 #endif /* ADF_PFVF_UTILS_H */
32