1 /* Intel(R) Ethernet Switch Host Interface Driver 2 * Copyright(c) 2013 - 2016 Intel Corporation. 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms and conditions of the GNU General Public License, 6 * version 2, as published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope it will be useful, but WITHOUT 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 11 * more details. 12 * 13 * The full GNU General Public License is included in this distribution in 14 * the file called "COPYING". 15 * 16 * Contact Information: 17 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> 18 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 19 */ 20 21 #ifndef _FM10K_COMMON_H_ 22 #define _FM10K_COMMON_H_ 23 24 #include "fm10k_type.h" 25 26 #define FM10K_REMOVED(hw_addr) unlikely(!(hw_addr)) 27 28 /* PCI configuration read */ 29 u16 fm10k_read_pci_cfg_word(struct fm10k_hw *hw, u32 reg); 30 31 /* read operations, indexed using DWORDS */ 32 u32 fm10k_read_reg(struct fm10k_hw *hw, int reg); 33 34 /* write operations, indexed using DWORDS */ 35 #define fm10k_write_reg(hw, reg, val) \ 36 do { \ 37 u32 __iomem *hw_addr = READ_ONCE((hw)->hw_addr); \ 38 if (!FM10K_REMOVED(hw_addr)) \ 39 writel((val), &hw_addr[(reg)]); \ 40 } while (0) 41 42 /* Switch register write operations, index using DWORDS */ 43 #define fm10k_write_sw_reg(hw, reg, val) \ 44 do { \ 45 u32 __iomem *sw_addr = READ_ONCE((hw)->sw_addr); \ 46 if (!FM10K_REMOVED(sw_addr)) \ 47 writel((val), &sw_addr[(reg)]); \ 48 } while (0) 49 50 /* read ctrl register which has no clear on read fields as PCIe flush */ 51 #define fm10k_write_flush(hw) fm10k_read_reg((hw), FM10K_CTRL) 52 s32 fm10k_get_bus_info_generic(struct fm10k_hw *hw); 53 s32 fm10k_get_invariants_generic(struct fm10k_hw *hw); 54 s32 fm10k_disable_queues_generic(struct fm10k_hw *hw, u16 q_cnt); 55 s32 fm10k_start_hw_generic(struct fm10k_hw *hw); 56 s32 fm10k_stop_hw_generic(struct fm10k_hw *hw); 57 u32 fm10k_read_hw_stats_32b(struct fm10k_hw *hw, u32 addr, 58 struct fm10k_hw_stat *stat); 59 #define fm10k_update_hw_base_32b(stat, delta) ((stat)->base_l += (delta)) 60 void fm10k_update_hw_stats_q(struct fm10k_hw *hw, struct fm10k_hw_stats_q *q, 61 u32 idx, u32 count); 62 #define fm10k_unbind_hw_stats_32b(s) ((s)->base_h = 0) 63 void fm10k_unbind_hw_stats_q(struct fm10k_hw_stats_q *q, u32 idx, u32 count); 64 s32 fm10k_get_host_state_generic(struct fm10k_hw *hw, bool *host_ready); 65 #endif /* _FM10K_COMMON_H_ */ 66