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123 lines
2.5 KiB
123 lines
2.5 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Huawei HiNIC PCI Express Linux driver |
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* Copyright(c) 2017 Huawei Technologies Co., Ltd |
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*/ |
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#ifndef HINIC_HW_IO_H |
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#define HINIC_HW_IO_H |
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#include <linux/types.h> |
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#include <linux/pci.h> |
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#include <linux/semaphore.h> |
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#include <linux/sizes.h> |
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#include "hinic_hw_if.h" |
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#include "hinic_hw_eqs.h" |
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#include "hinic_hw_wq.h" |
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#include "hinic_hw_cmdq.h" |
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#include "hinic_hw_qp.h" |
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#define HINIC_DB_PAGE_SIZE SZ_4K |
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#define HINIC_DB_SIZE SZ_4M |
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#define HINIC_HW_WQ_PAGE_SIZE SZ_4K |
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#define HINIC_DEFAULT_WQ_PAGE_SIZE SZ_256K |
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#define HINIC_DB_MAX_AREAS (HINIC_DB_SIZE / HINIC_DB_PAGE_SIZE) |
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enum hinic_db_type { |
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HINIC_DB_CMDQ_TYPE, |
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HINIC_DB_SQ_TYPE, |
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}; |
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enum hinic_io_path { |
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HINIC_CTRL_PATH, |
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HINIC_DATA_PATH, |
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}; |
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struct hinic_free_db_area { |
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int db_idx[HINIC_DB_MAX_AREAS]; |
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int alloc_pos; |
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int return_pos; |
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int num_free; |
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/* Lock for getting db area */ |
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struct semaphore idx_lock; |
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}; |
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struct hinic_nic_cfg { |
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/* lock for getting nic cfg */ |
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struct mutex cfg_mutex; |
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bool pause_set; |
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u32 auto_neg; |
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u32 rx_pause; |
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u32 tx_pause; |
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}; |
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struct hinic_func_to_io { |
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struct hinic_hwif *hwif; |
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struct hinic_hwdev *hwdev; |
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u16 global_qpn; |
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struct hinic_ceqs ceqs; |
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struct hinic_wqs wqs; |
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struct hinic_wq *sq_wq; |
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struct hinic_wq *rq_wq; |
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struct hinic_qp *qps; |
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u16 max_qps; |
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u16 sq_depth; |
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u16 rq_depth; |
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void __iomem **sq_db; |
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void __iomem *db_base; |
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void *ci_addr_base; |
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dma_addr_t ci_dma_base; |
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struct hinic_free_db_area free_db_area; |
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void __iomem *cmdq_db_area[HINIC_MAX_CMDQ_TYPES]; |
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struct hinic_cmdqs cmdqs; |
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u16 max_vfs; |
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struct vf_data_storage *vf_infos; |
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u8 link_status; |
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struct hinic_nic_cfg nic_cfg; |
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}; |
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struct hinic_wq_page_size { |
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u8 status; |
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u8 version; |
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u8 rsvd0[6]; |
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u16 func_idx; |
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u8 ppf_idx; |
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u8 page_size; |
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u32 rsvd1; |
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}; |
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int hinic_set_wq_page_size(struct hinic_hwdev *hwdev, u16 func_idx, |
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u32 page_size); |
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int hinic_io_create_qps(struct hinic_func_to_io *func_to_io, |
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u16 base_qpn, int num_qps, |
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struct msix_entry *sq_msix_entries, |
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struct msix_entry *rq_msix_entries); |
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void hinic_io_destroy_qps(struct hinic_func_to_io *func_to_io, |
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int num_qps); |
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int hinic_io_init(struct hinic_func_to_io *func_to_io, |
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struct hinic_hwif *hwif, u16 max_qps, int num_ceqs, |
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struct msix_entry *ceq_msix_entries); |
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void hinic_io_free(struct hinic_func_to_io *func_to_io); |
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#endif
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