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/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */
/* Copyright(c) 2021 Intel Corporation */
#ifndef ADF_PFVF_UTILS_H
#define ADF_PFVF_UTILS_H
#include <linux/types.h>
#include "adf_pfvf_msg.h"
/* How long to wait for far side to acknowledge receipt */
#define ADF_PFVF_MSG_ACK_DELAY_US 4
#define ADF_PFVF_MSG_ACK_MAX_DELAY_US (1 * USEC_PER_SEC)
u8 adf_pfvf_calc_blkmsg_crc(u8 const *buf, u8 buf_len);
void adf_pfvf_crc_init(void);
struct pfvf_field_format {
u8 offset;
u32 mask;
};
struct pfvf_csr_format {
struct pfvf_field_format type;
struct pfvf_field_format data;
};
u32 adf_pfvf_csr_msg_of(struct adf_accel_dev *accel_dev, struct pfvf_message msg,
const struct pfvf_csr_format *fmt);
struct pfvf_message adf_pfvf_message_of(struct adf_accel_dev *accel_dev, u32 raw_msg,
const struct pfvf_csr_format *fmt);
static inline u8 adf_vf_compat_checker(u8 vf_compat_ver)
{
if (vf_compat_ver == 0)
return ADF_PF2VF_VF_INCOMPATIBLE;
if (vf_compat_ver <= ADF_PFVF_COMPAT_THIS_VERSION)
return ADF_PF2VF_VF_COMPATIBLE;
return ADF_PF2VF_VF_COMPAT_UNKNOWN;
}
#endif /* ADF_PFVF_UTILS_H */
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