1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Intel(R) Ethernet Switch Host Interface Driver 3 * Copyright(c) 2013 - 2016 Intel Corporation. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms and conditions of the GNU General Public License, 7 * version 2, as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * The full GNU General Public License is included in this distribution in 15 * the file called "COPYING". 16 * 17 * Contact Information: 18 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> 19 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 20 */ 21 22 #ifndef _FM10K_COMMON_H_ 23 #define _FM10K_COMMON_H_ 24 25 #include "fm10k_type.h" 26 27 #define FM10K_REMOVED(hw_addr) unlikely(!(hw_addr)) 28 29 /* PCI configuration read */ 30 u16 fm10k_read_pci_cfg_word(struct fm10k_hw *hw, u32 reg); 31 32 /* read operations, indexed using DWORDS */ 33 u32 fm10k_read_reg(struct fm10k_hw *hw, int reg); 34 35 /* write operations, indexed using DWORDS */ 36 #define fm10k_write_reg(hw, reg, val) \ 37 do { \ 38 u32 __iomem *hw_addr = READ_ONCE((hw)->hw_addr); \ 39 if (!FM10K_REMOVED(hw_addr)) \ 40 writel((val), &hw_addr[(reg)]); \ 41 } while (0) 42 43 /* Switch register write operations, index using DWORDS */ 44 #define fm10k_write_sw_reg(hw, reg, val) \ 45 do { \ 46 u32 __iomem *sw_addr = READ_ONCE((hw)->sw_addr); \ 47 if (!FM10K_REMOVED(sw_addr)) \ 48 writel((val), &sw_addr[(reg)]); \ 49 } while (0) 50 51 /* read ctrl register which has no clear on read fields as PCIe flush */ 52 #define fm10k_write_flush(hw) fm10k_read_reg((hw), FM10K_CTRL) 53 s32 fm10k_get_bus_info_generic(struct fm10k_hw *hw); 54 s32 fm10k_get_invariants_generic(struct fm10k_hw *hw); 55 s32 fm10k_disable_queues_generic(struct fm10k_hw *hw, u16 q_cnt); 56 s32 fm10k_start_hw_generic(struct fm10k_hw *hw); 57 s32 fm10k_stop_hw_generic(struct fm10k_hw *hw); 58 u32 fm10k_read_hw_stats_32b(struct fm10k_hw *hw, u32 addr, 59 struct fm10k_hw_stat *stat); 60 #define fm10k_update_hw_base_32b(stat, delta) ((stat)->base_l += (delta)) 61 void fm10k_update_hw_stats_q(struct fm10k_hw *hw, struct fm10k_hw_stats_q *q, 62 u32 idx, u32 count); 63 #define fm10k_unbind_hw_stats_32b(s) ((s)->base_h = 0) 64 void fm10k_unbind_hw_stats_q(struct fm10k_hw_stats_q *q, u32 idx, u32 count); 65 s32 fm10k_get_host_state_generic(struct fm10k_hw *hw, bool *host_ready); 66 #endif /* _FM10K_COMMON_H_ */ 67