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1/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */2/* QLogic qed NIC Driver3 * Copyright (c) 2015-2017 QLogic Corporation4 * Copyright (c) 2019-2020 Marvell International Ltd.5 */6 7#ifndef _QED_OOO_H8#define _QED_OOO_H9#include <linux/types.h>10#include <linux/list.h>11#include <linux/slab.h>12#include "qed.h"13 14#define QED_MAX_NUM_ISLES 25615#define QED_MAX_NUM_OOO_HISTORY_ENTRIES 51216 17#define QED_OOO_LEFT_BUF 018#define QED_OOO_RIGHT_BUF 119 20struct qed_ooo_buffer {21 struct list_head list_entry;22 void *rx_buffer_virt_addr;23 dma_addr_t rx_buffer_phys_addr;24 u32 rx_buffer_size;25 u16 packet_length;26 u16 parse_flags;27 u16 vlan;28 u8 placement_offset;29};30 31struct qed_ooo_isle {32 struct list_head list_entry;33 struct list_head buffers_list;34};35 36struct qed_ooo_archipelago {37 struct list_head isles_list;38};39 40struct qed_ooo_history {41 struct ooo_opaque *p_cqes;42 u32 head_idx;43 u32 num_of_cqes;44};45 46struct qed_ooo_info {47 struct list_head free_buffers_list;48 struct list_head ready_buffers_list;49 struct list_head free_isles_list;50 struct qed_ooo_archipelago *p_archipelagos_mem;51 struct qed_ooo_isle *p_isles_mem;52 struct qed_ooo_history ooo_history;53 u32 cur_isles_number;54 u32 max_isles_number;55 u32 gen_isles_number;56 u16 max_num_archipelagos;57 u16 cid_base;58};59 60#if IS_ENABLED(CONFIG_QED_OOO)61void qed_ooo_save_history_entry(struct qed_hwfn *p_hwfn,62 struct qed_ooo_info *p_ooo_info,63 struct ooo_opaque *p_cqe);64 65int qed_ooo_alloc(struct qed_hwfn *p_hwfn);66 67void qed_ooo_setup(struct qed_hwfn *p_hwfn);68 69void qed_ooo_free(struct qed_hwfn *p_hwfn);70 71void qed_ooo_release_connection_isles(struct qed_hwfn *p_hwfn,72 struct qed_ooo_info *p_ooo_info,73 u32 cid);74 75void qed_ooo_release_all_isles(struct qed_hwfn *p_hwfn,76 struct qed_ooo_info *p_ooo_info);77 78void qed_ooo_put_free_buffer(struct qed_hwfn *p_hwfn,79 struct qed_ooo_info *p_ooo_info,80 struct qed_ooo_buffer *p_buffer);81 82struct qed_ooo_buffer *83qed_ooo_get_free_buffer(struct qed_hwfn *p_hwfn,84 struct qed_ooo_info *p_ooo_info);85 86void qed_ooo_put_ready_buffer(struct qed_hwfn *p_hwfn,87 struct qed_ooo_info *p_ooo_info,88 struct qed_ooo_buffer *p_buffer, u8 on_tail);89 90struct qed_ooo_buffer *91qed_ooo_get_ready_buffer(struct qed_hwfn *p_hwfn,92 struct qed_ooo_info *p_ooo_info);93 94void qed_ooo_delete_isles(struct qed_hwfn *p_hwfn,95 struct qed_ooo_info *p_ooo_info,96 u32 cid, u8 drop_isle, u8 drop_size);97 98void qed_ooo_add_new_isle(struct qed_hwfn *p_hwfn,99 struct qed_ooo_info *p_ooo_info,100 u32 cid,101 u8 ooo_isle, struct qed_ooo_buffer *p_buffer);102 103void qed_ooo_add_new_buffer(struct qed_hwfn *p_hwfn,104 struct qed_ooo_info *p_ooo_info,105 u32 cid,106 u8 ooo_isle,107 struct qed_ooo_buffer *p_buffer, u8 buffer_side);108 109void qed_ooo_join_isles(struct qed_hwfn *p_hwfn,110 struct qed_ooo_info *p_ooo_info, u32 cid,111 u8 left_isle);112#else /* IS_ENABLED(CONFIG_QED_ISCSI) */113static inline void qed_ooo_save_history_entry(struct qed_hwfn *p_hwfn,114 struct qed_ooo_info *p_ooo_info,115 struct ooo_opaque *p_cqe) {}116 117static inline int qed_ooo_alloc(struct qed_hwfn *p_hwfn)118{119 return -EINVAL;120}121 122static inline void qed_ooo_setup(struct qed_hwfn *p_hwfn) {}123 124static inline void qed_ooo_free(struct qed_hwfn *p_hwfn) {}125 126static inline void127qed_ooo_release_connection_isles(struct qed_hwfn *p_hwfn,128 struct qed_ooo_info *p_ooo_info,129 u32 cid) {}130 131static inline void qed_ooo_release_all_isles(struct qed_hwfn *p_hwfn,132 struct qed_ooo_info *p_ooo_info)133 {}134 135static inline void qed_ooo_put_free_buffer(struct qed_hwfn *p_hwfn,136 struct qed_ooo_info *p_ooo_info,137 struct qed_ooo_buffer *p_buffer) {}138 139static inline struct qed_ooo_buffer *140qed_ooo_get_free_buffer(struct qed_hwfn *p_hwfn,141 struct qed_ooo_info *p_ooo_info) { return NULL; }142 143static inline void qed_ooo_put_ready_buffer(struct qed_hwfn *p_hwfn,144 struct qed_ooo_info *p_ooo_info,145 struct qed_ooo_buffer *p_buffer,146 u8 on_tail) {}147 148static inline struct qed_ooo_buffer *149qed_ooo_get_ready_buffer(struct qed_hwfn *p_hwfn,150 struct qed_ooo_info *p_ooo_info) { return NULL; }151 152static inline void qed_ooo_delete_isles(struct qed_hwfn *p_hwfn,153 struct qed_ooo_info *p_ooo_info,154 u32 cid, u8 drop_isle, u8 drop_size) {}155 156static inline void qed_ooo_add_new_isle(struct qed_hwfn *p_hwfn,157 struct qed_ooo_info *p_ooo_info,158 u32 cid, u8 ooo_isle,159 struct qed_ooo_buffer *p_buffer) {}160 161static inline void qed_ooo_add_new_buffer(struct qed_hwfn *p_hwfn,162 struct qed_ooo_info *p_ooo_info,163 u32 cid, u8 ooo_isle,164 struct qed_ooo_buffer *p_buffer,165 u8 buffer_side) {}166 167static inline void qed_ooo_join_isles(struct qed_hwfn *p_hwfn,168 struct qed_ooo_info *p_ooo_info, u32 cid,169 u8 left_isle) {}170#endif /* IS_ENABLED(CONFIG_QED_ISCSI) */171 172#endif173