91 lines
2.4 KiB
C
91 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) Huawei Technologies Co., Ltd. 2025. All rights reserved. */
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#ifndef _HINIC3_HWIF_H_
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#define _HINIC3_HWIF_H_
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#include <linux/build_bug.h>
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#include <linux/spinlock_types.h>
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struct hinic3_hwdev;
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enum hinic3_func_type {
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HINIC3_FUNC_TYPE_VF = 1,
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};
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struct hinic3_db_area {
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unsigned long *db_bitmap_array;
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u32 db_max_areas;
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/* protect doorbell area alloc and free */
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spinlock_t idx_lock;
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};
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struct hinic3_func_attr {
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enum hinic3_func_type func_type;
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u16 func_global_idx;
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u16 global_vf_id_of_pf;
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u16 num_irqs;
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u16 num_sq;
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u8 port_to_port_idx;
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u8 pci_intf_idx;
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u8 ppf_idx;
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u8 num_aeqs;
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u8 num_ceqs;
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u8 msix_flex_en;
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};
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static_assert(sizeof(struct hinic3_func_attr) == 20);
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struct hinic3_hwif {
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u8 __iomem *cfg_regs_base;
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u64 db_base_phy;
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u64 db_dwqe_len;
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u8 __iomem *db_base;
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struct hinic3_db_area db_area;
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struct hinic3_func_attr attr;
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};
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enum hinic3_outbound_ctrl {
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ENABLE_OUTBOUND = 0x0,
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DISABLE_OUTBOUND = 0x1,
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};
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enum hinic3_doorbell_ctrl {
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ENABLE_DOORBELL = 0,
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DISABLE_DOORBELL = 1,
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};
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enum hinic3_msix_state {
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HINIC3_MSIX_ENABLE,
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HINIC3_MSIX_DISABLE,
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};
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enum hinic3_msix_auto_mask {
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HINIC3_CLR_MSIX_AUTO_MASK,
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HINIC3_SET_MSIX_AUTO_MASK,
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};
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u32 hinic3_hwif_read_reg(struct hinic3_hwif *hwif, u32 reg);
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void hinic3_hwif_write_reg(struct hinic3_hwif *hwif, u32 reg, u32 val);
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void hinic3_toggle_doorbell(struct hinic3_hwif *hwif,
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enum hinic3_doorbell_ctrl flag);
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int hinic3_alloc_db_addr(struct hinic3_hwdev *hwdev, void __iomem **db_base,
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void __iomem **dwqe_base);
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void hinic3_free_db_addr(struct hinic3_hwdev *hwdev, const u8 __iomem *db_base);
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int hinic3_init_hwif(struct hinic3_hwdev *hwdev);
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void hinic3_free_hwif(struct hinic3_hwdev *hwdev);
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void hinic3_set_msix_state(struct hinic3_hwdev *hwdev, u16 msix_idx,
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enum hinic3_msix_state flag);
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void hinic3_msix_intr_clear_resend_bit(struct hinic3_hwdev *hwdev, u16 msix_idx,
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u8 clear_resend_en);
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void hinic3_set_msix_auto_mask_state(struct hinic3_hwdev *hwdev, u16 msix_idx,
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enum hinic3_msix_auto_mask flag);
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u16 hinic3_global_func_id(struct hinic3_hwdev *hwdev);
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#endif
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