drivers/net/ethernet/intel/fm10k/fm10k_common.h

   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 */
  12 u16 fm10k_read_pci_cfg_word(struct fm10k_hw *hw, u32 reg);
  13
  14 /* read operations, indexed using DWORDS */
  15 u32 fm10k_read_reg(struct fm10k_hw *hw, int reg);
  16
  17 /* write operations, indexed using DWORDS */
  18 #define fm10k_write_reg(hw, reg, val) \
  19 do { \
  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) \
  27 do { \
  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)
  35 s32 fm10k_get_bus_info_generic(struct fm10k_hw *hw);
  36 s32 fm10k_get_invariants_generic(struct fm10k_hw *hw);
  37 s32 fm10k_disable_queues_generic(struct fm10k_hw *hw, u16 q_cnt);
  38 s32 fm10k_start_hw_generic(struct fm10k_hw *hw);
  39 s32 fm10k_stop_hw_generic(struct fm10k_hw *hw);
  40 u32 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))
  43 void 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)
  46 void fm10k_unbind_hw_stats_q(struct fm10k_hw_stats_q *q, u32 idx, u32 count);
  47 s32 fm10k_get_host_state_generic(struct fm10k_hw *hw, bool *host_ready);
  48 #endif /* _FM10K_COMMON_H_ */