LXR linux/drivers/net/ethernet/intel/fm10k/fm10k

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/* Copyright(c) 2013 - 2018 Intel Corporation. */
   3
   4#ifndef _FM10K_COMMON_H_
   5#define _FM10K_COMMON_H_
   6
   7#include "fm10k_type.h"
   8
   9#define FM10K_REMOVED(hw_addr) unlikely(!(hw_addr))
  10
  11/* PCI configuration read */
  12u16 fm10k_read_pci_cfg_word(struct fm10k_hw *hw, u32 reg);
  13
  14/* read operations, indexed using DWORDS */
  15u32 fm10k_read_reg(struct fm10k_hw *hw, int reg);
  16
  17/* write operations, indexed using DWORDS */
  18#define fm10k_write_reg(hw, reg, val) \
  19do { \
  20        u32 __iomem *hw_addr = READ_ONCE((hw)->hw_addr); \
  21        if (!FM10K_REMOVED(hw_addr)) \
  22                writel((val), &hw_addr[(reg)]); \
  23} while (0)
  24
  25/* Switch register write operations, index using DWORDS */
  26#define fm10k_write_sw_reg(hw, reg, val) \
  27do { \
  28        u32 __iomem *sw_addr = READ_ONCE((hw)->sw_addr); \
  29        if (!FM10K_REMOVED(sw_addr)) \
  30                writel((val), &sw_addr[(reg)]); \
  31} while (0)
  32
  33/* read ctrl register which has no clear on read fields as PCIe flush */
  34#define fm10k_write_flush(hw) fm10k_read_reg((hw), FM10K_CTRL)
  35s32 fm10k_get_bus_info_generic(struct fm10k_hw *hw);
  36s32 fm10k_get_invariants_generic(struct fm10k_hw *hw);
  37s32 fm10k_disable_queues_generic(struct fm10k_hw *hw, u16 q_cnt);
  38s32 fm10k_start_hw_generic(struct fm10k_hw *hw);
  39s32 fm10k_stop_hw_generic(struct fm10k_hw *hw);
  40u32 fm10k_read_hw_stats_32b(struct fm10k_hw *hw, u32 addr,
  41                            struct fm10k_hw_stat *stat);
  42#define fm10k_update_hw_base_32b(stat, delta) ((stat)->base_l += (delta))
  43void fm10k_update_hw_stats_q(struct fm10k_hw *hw, struct fm10k_hw_stats_q *q,
  44                             u32 idx, u32 count);
  45#define fm10k_unbind_hw_stats_32b(s) ((s)->base_h = 0)
  46void fm10k_unbind_hw_stats_q(struct fm10k_hw_stats_q *q, u32 idx, u32 count);
  47s32 fm10k_get_host_state_generic(struct fm10k_hw *hw, bool *host_ready);
  48#endif /* _FM10K_COMMON_H_ */
  49