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kernel/linux-rt-4.4.41/drivers/net/ethernet/intel/fm10k/fm10k_common.h 2.47 KB
5113f6f70   김현기   kernel add
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  /* Intel Ethernet Switch Host Interface Driver
   * Copyright(c) 2013 - 2014 Intel Corporation.
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms and conditions of the GNU General Public License,
   * version 2, as published by the Free Software Foundation.
   *
   * This program is distributed in the hope it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   * more details.
   *
   * The full GNU General Public License is included in this distribution in
   * the file called "COPYING".
   *
   * Contact Information:
   * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
   * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
   */
  
  #ifndef _FM10K_COMMON_H_
  #define _FM10K_COMMON_H_
  
  #include "fm10k_type.h"
  
  #define FM10K_REMOVED(hw_addr) unlikely(!(hw_addr))
  
  /* PCI configuration read */
  u16 fm10k_read_pci_cfg_word(struct fm10k_hw *hw, u32 reg);
  
  /* read operations, indexed using DWORDS */
  u32 fm10k_read_reg(struct fm10k_hw *hw, int reg);
  
  /* write operations, indexed using DWORDS */
  #define fm10k_write_reg(hw, reg, val) \
  do { \
  	u32 __iomem *hw_addr = ACCESS_ONCE((hw)->hw_addr); \
  	if (!FM10K_REMOVED(hw_addr)) \
  		writel((val), &hw_addr[(reg)]); \
  } while (0)
  
  /* Switch register write operations, index using DWORDS */
  #define fm10k_write_sw_reg(hw, reg, val) \
  do { \
  	u32 __iomem *sw_addr = ACCESS_ONCE((hw)->sw_addr); \
  	if (!FM10K_REMOVED(sw_addr)) \
  		writel((val), &sw_addr[(reg)]); \
  } while (0)
  
  /* read ctrl register which has no clear on read fields as PCIe flush */
  #define fm10k_write_flush(hw) fm10k_read_reg((hw), FM10K_CTRL)
  s32 fm10k_get_bus_info_generic(struct fm10k_hw *hw);
  s32 fm10k_get_invariants_generic(struct fm10k_hw *hw);
  s32 fm10k_disable_queues_generic(struct fm10k_hw *hw, u16 q_cnt);
  s32 fm10k_start_hw_generic(struct fm10k_hw *hw);
  s32 fm10k_stop_hw_generic(struct fm10k_hw *hw);
  u32 fm10k_read_hw_stats_32b(struct fm10k_hw *hw, u32 addr,
  			    struct fm10k_hw_stat *stat);
  #define fm10k_update_hw_base_32b(stat, delta) ((stat)->base_l += (delta))
  void fm10k_update_hw_stats_q(struct fm10k_hw *hw, struct fm10k_hw_stats_q *q,
  			     u32 idx, u32 count);
  #define fm10k_unbind_hw_stats_32b(s) ((s)->base_h = 0)
  void fm10k_unbind_hw_stats_q(struct fm10k_hw_stats_q *q, u32 idx, u32 count);
  s32 fm10k_get_host_state_generic(struct fm10k_hw *hw, bool *host_ready);
  #endif /* _FM10K_COMMON_H_ */