intel/fm10k/fm10k_common.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /* Copyright(c) 2013 - 2018 Intel Corporation. */
0003
0004 #ifndef _FM10K_COMMON_H_
0005 #define _FM10K_COMMON_H_
0006
0007 #include "fm10k_type.h"
0008
0009 #define FM10K_REMOVED(hw_addr) unlikely(!(hw_addr))
0010
0011 /* PCI configuration read */
0012 u16 fm10k_read_pci_cfg_word(struct fm10k_hw *hw, u32 reg);
0013
0014 /* read operations, indexed using DWORDS */
0015 u32 fm10k_read_reg(struct fm10k_hw *hw, int reg);
0016
0017 /* write operations, indexed using DWORDS */
0018 #define fm10k_write_reg(hw, reg, val) \
0019 do { \
0020     u32 __iomem *hw_addr = READ_ONCE((hw)->hw_addr); \
0021     if (!FM10K_REMOVED(hw_addr)) \
0022         writel((val), &hw_addr[(reg)]); \
0023 } while (0)
0024
0025 /* Switch register write operations, index using DWORDS */
0026 #define fm10k_write_sw_reg(hw, reg, val) \
0027 do { \
0028     u32 __iomem *sw_addr = READ_ONCE((hw)->sw_addr); \
0029     if (!FM10K_REMOVED(sw_addr)) \
0030         writel((val), &sw_addr[(reg)]); \
0031 } while (0)
0032
0033 /* read ctrl register which has no clear on read fields as PCIe flush */
0034 #define fm10k_write_flush(hw) fm10k_read_reg((hw), FM10K_CTRL)
0035 s32 fm10k_get_bus_info_generic(struct fm10k_hw *hw);
0036 s32 fm10k_get_invariants_generic(struct fm10k_hw *hw);
0037 s32 fm10k_disable_queues_generic(struct fm10k_hw *hw, u16 q_cnt);
0038 s32 fm10k_start_hw_generic(struct fm10k_hw *hw);
0039 s32 fm10k_stop_hw_generic(struct fm10k_hw *hw);
0040 u32 fm10k_read_hw_stats_32b(struct fm10k_hw *hw, u32 addr,
0041                 struct fm10k_hw_stat *stat);
0042 #define fm10k_update_hw_base_32b(stat, delta) ((stat)->base_l += (delta))
0043 void fm10k_update_hw_stats_q(struct fm10k_hw *hw, struct fm10k_hw_stats_q *q,
0044                  u32 idx, u32 count);
0045 #define fm10k_unbind_hw_stats_32b(s) ((s)->base_h = 0)
0046 void fm10k_unbind_hw_stats_q(struct fm10k_hw_stats_q *q, u32 idx, u32 count);
0047 s32 fm10k_get_host_state_generic(struct fm10k_hw *hw, bool *host_ready);
0048 #endif /* _FM10K_COMMON_H_ */