cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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fm10k_common.h (1789B)

      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_ */