1 /* SPDX-License-Identifier: BSD-3-Clause */ 2 /* Copyright(c) 2007-2022 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 15 struct pfvf_field_format { 16 u8 offset; 17 u32 mask; 18 }; 19 20 struct pfvf_csr_format { 21 struct pfvf_field_format type; 22 struct pfvf_field_format data; 23 }; 24 25 u32 adf_pfvf_csr_msg_of(struct adf_accel_dev *accel_dev, 26 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, 29 u32 raw_msg, 30 const struct pfvf_csr_format *fmt); 31 32 static inline struct resource * adf_get_pmisc_base(struct adf_accel_dev * accel_dev)33adf_get_pmisc_base(struct adf_accel_dev *accel_dev) 34 { 35 struct adf_hw_device_data *hw_data = accel_dev->hw_device; 36 struct adf_bar *pmisc; 37 38 pmisc = &GET_BARS(accel_dev)[hw_data->get_misc_bar_id(hw_data)]; 39 40 return pmisc->virt_addr; 41 } 42 43 #endif /* ADF_PFVF_UTILS_H */ 44