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172 lines
4.8 KiB
172 lines
4.8 KiB
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ |
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/* QLogic qed NIC Driver |
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* Copyright (c) 2015-2017 QLogic Corporation |
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* Copyright (c) 2019-2020 Marvell International Ltd. |
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*/ |
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#ifndef _QED_OOO_H |
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#define _QED_OOO_H |
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#include <linux/types.h> |
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#include <linux/list.h> |
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#include <linux/slab.h> |
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#include "qed.h" |
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#define QED_MAX_NUM_ISLES 256 |
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#define QED_MAX_NUM_OOO_HISTORY_ENTRIES 512 |
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#define QED_OOO_LEFT_BUF 0 |
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#define QED_OOO_RIGHT_BUF 1 |
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struct qed_ooo_buffer { |
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struct list_head list_entry; |
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void *rx_buffer_virt_addr; |
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dma_addr_t rx_buffer_phys_addr; |
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u32 rx_buffer_size; |
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u16 packet_length; |
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u16 parse_flags; |
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u16 vlan; |
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u8 placement_offset; |
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}; |
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struct qed_ooo_isle { |
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struct list_head list_entry; |
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struct list_head buffers_list; |
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}; |
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struct qed_ooo_archipelago { |
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struct list_head isles_list; |
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}; |
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struct qed_ooo_history { |
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struct ooo_opaque *p_cqes; |
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u32 head_idx; |
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u32 num_of_cqes; |
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}; |
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struct qed_ooo_info { |
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struct list_head free_buffers_list; |
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struct list_head ready_buffers_list; |
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struct list_head free_isles_list; |
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struct qed_ooo_archipelago *p_archipelagos_mem; |
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struct qed_ooo_isle *p_isles_mem; |
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struct qed_ooo_history ooo_history; |
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u32 cur_isles_number; |
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u32 max_isles_number; |
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u32 gen_isles_number; |
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u16 max_num_archipelagos; |
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u16 cid_base; |
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}; |
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#if IS_ENABLED(CONFIG_QED_OOO) |
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void qed_ooo_save_history_entry(struct qed_hwfn *p_hwfn, |
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struct qed_ooo_info *p_ooo_info, |
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struct ooo_opaque *p_cqe); |
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int qed_ooo_alloc(struct qed_hwfn *p_hwfn); |
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void qed_ooo_setup(struct qed_hwfn *p_hwfn); |
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void qed_ooo_free(struct qed_hwfn *p_hwfn); |
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void qed_ooo_release_connection_isles(struct qed_hwfn *p_hwfn, |
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struct qed_ooo_info *p_ooo_info, |
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u32 cid); |
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void qed_ooo_release_all_isles(struct qed_hwfn *p_hwfn, |
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struct qed_ooo_info *p_ooo_info); |
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void qed_ooo_put_free_buffer(struct qed_hwfn *p_hwfn, |
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struct qed_ooo_info *p_ooo_info, |
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struct qed_ooo_buffer *p_buffer); |
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struct qed_ooo_buffer * |
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qed_ooo_get_free_buffer(struct qed_hwfn *p_hwfn, |
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struct qed_ooo_info *p_ooo_info); |
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void qed_ooo_put_ready_buffer(struct qed_hwfn *p_hwfn, |
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struct qed_ooo_info *p_ooo_info, |
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struct qed_ooo_buffer *p_buffer, u8 on_tail); |
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struct qed_ooo_buffer * |
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qed_ooo_get_ready_buffer(struct qed_hwfn *p_hwfn, |
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struct qed_ooo_info *p_ooo_info); |
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void qed_ooo_delete_isles(struct qed_hwfn *p_hwfn, |
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struct qed_ooo_info *p_ooo_info, |
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u32 cid, u8 drop_isle, u8 drop_size); |
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void qed_ooo_add_new_isle(struct qed_hwfn *p_hwfn, |
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struct qed_ooo_info *p_ooo_info, |
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u32 cid, |
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u8 ooo_isle, struct qed_ooo_buffer *p_buffer); |
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void qed_ooo_add_new_buffer(struct qed_hwfn *p_hwfn, |
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struct qed_ooo_info *p_ooo_info, |
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u32 cid, |
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u8 ooo_isle, |
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struct qed_ooo_buffer *p_buffer, u8 buffer_side); |
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void qed_ooo_join_isles(struct qed_hwfn *p_hwfn, |
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struct qed_ooo_info *p_ooo_info, u32 cid, |
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u8 left_isle); |
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#else /* IS_ENABLED(CONFIG_QED_ISCSI) */ |
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static inline void qed_ooo_save_history_entry(struct qed_hwfn *p_hwfn, |
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struct qed_ooo_info *p_ooo_info, |
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struct ooo_opaque *p_cqe) {} |
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static inline int qed_ooo_alloc(struct qed_hwfn *p_hwfn) |
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{ |
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return -EINVAL; |
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} |
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static inline void qed_ooo_setup(struct qed_hwfn *p_hwfn) {} |
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static inline void qed_ooo_free(struct qed_hwfn *p_hwfn) {} |
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static inline void |
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qed_ooo_release_connection_isles(struct qed_hwfn *p_hwfn, |
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struct qed_ooo_info *p_ooo_info, |
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u32 cid) {} |
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static inline void qed_ooo_release_all_isles(struct qed_hwfn *p_hwfn, |
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struct qed_ooo_info *p_ooo_info) |
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{} |
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static inline void qed_ooo_put_free_buffer(struct qed_hwfn *p_hwfn, |
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struct qed_ooo_info *p_ooo_info, |
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struct qed_ooo_buffer *p_buffer) {} |
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static inline struct qed_ooo_buffer * |
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qed_ooo_get_free_buffer(struct qed_hwfn *p_hwfn, |
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struct qed_ooo_info *p_ooo_info) { return NULL; } |
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static inline void qed_ooo_put_ready_buffer(struct qed_hwfn *p_hwfn, |
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struct qed_ooo_info *p_ooo_info, |
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struct qed_ooo_buffer *p_buffer, |
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u8 on_tail) {} |
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static inline struct qed_ooo_buffer * |
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qed_ooo_get_ready_buffer(struct qed_hwfn *p_hwfn, |
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struct qed_ooo_info *p_ooo_info) { return NULL; } |
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static inline void qed_ooo_delete_isles(struct qed_hwfn *p_hwfn, |
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struct qed_ooo_info *p_ooo_info, |
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u32 cid, u8 drop_isle, u8 drop_size) {} |
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static inline void qed_ooo_add_new_isle(struct qed_hwfn *p_hwfn, |
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struct qed_ooo_info *p_ooo_info, |
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u32 cid, u8 ooo_isle, |
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struct qed_ooo_buffer *p_buffer) {} |
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static inline void qed_ooo_add_new_buffer(struct qed_hwfn *p_hwfn, |
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struct qed_ooo_info *p_ooo_info, |
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u32 cid, u8 ooo_isle, |
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struct qed_ooo_buffer *p_buffer, |
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u8 buffer_side) {} |
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static inline void qed_ooo_join_isles(struct qed_hwfn *p_hwfn, |
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struct qed_ooo_info *p_ooo_info, u32 cid, |
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u8 left_isle) {} |
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#endif /* IS_ENABLED(CONFIG_QED_ISCSI) */ |
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#endif
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