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188 lines
5.2 KiB
188 lines
5.2 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_CMDQ_H |
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#define HINIC_CMDQ_H |
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#include <linux/types.h> |
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#include <linux/spinlock.h> |
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#include <linux/completion.h> |
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#include <linux/pci.h> |
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#include "hinic_hw_if.h" |
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#include "hinic_hw_wq.h" |
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#define HINIC_CMDQ_CTXT_CURR_WQE_PAGE_PFN_SHIFT 0 |
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#define HINIC_CMDQ_CTXT_EQ_ID_SHIFT 56 |
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#define HINIC_CMDQ_CTXT_CEQ_ARM_SHIFT 61 |
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#define HINIC_CMDQ_CTXT_CEQ_EN_SHIFT 62 |
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#define HINIC_CMDQ_CTXT_WRAPPED_SHIFT 63 |
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#define HINIC_CMDQ_CTXT_CURR_WQE_PAGE_PFN_MASK 0xFFFFFFFFFFFFF |
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#define HINIC_CMDQ_CTXT_EQ_ID_MASK 0x1F |
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#define HINIC_CMDQ_CTXT_CEQ_ARM_MASK 0x1 |
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#define HINIC_CMDQ_CTXT_CEQ_EN_MASK 0x1 |
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#define HINIC_CMDQ_CTXT_WRAPPED_MASK 0x1 |
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#define HINIC_CMDQ_CTXT_PAGE_INFO_SET(val, member) \ |
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(((u64)(val) & HINIC_CMDQ_CTXT_##member##_MASK) \ |
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<< HINIC_CMDQ_CTXT_##member##_SHIFT) |
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#define HINIC_CMDQ_CTXT_PAGE_INFO_GET(val, member) \ |
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(((u64)(val) >> HINIC_CMDQ_CTXT_##member##_SHIFT) \ |
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& HINIC_CMDQ_CTXT_##member##_MASK) |
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#define HINIC_CMDQ_CTXT_PAGE_INFO_CLEAR(val, member) \ |
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((val) & (~((u64)HINIC_CMDQ_CTXT_##member##_MASK \ |
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<< HINIC_CMDQ_CTXT_##member##_SHIFT))) |
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#define HINIC_CMDQ_CTXT_WQ_BLOCK_PFN_SHIFT 0 |
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#define HINIC_CMDQ_CTXT_CI_SHIFT 52 |
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#define HINIC_CMDQ_CTXT_WQ_BLOCK_PFN_MASK 0xFFFFFFFFFFFFF |
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#define HINIC_CMDQ_CTXT_CI_MASK 0xFFF |
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#define HINIC_CMDQ_CTXT_BLOCK_INFO_SET(val, member) \ |
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(((u64)(val) & HINIC_CMDQ_CTXT_##member##_MASK) \ |
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<< HINIC_CMDQ_CTXT_##member##_SHIFT) |
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#define HINIC_CMDQ_CTXT_BLOCK_INFO_GET(val, member) \ |
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(((u64)(val) >> HINIC_CMDQ_CTXT_##member##_SHIFT) \ |
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& HINIC_CMDQ_CTXT_##member##_MASK) |
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#define HINIC_CMDQ_CTXT_BLOCK_INFO_CLEAR(val, member) \ |
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((val) & (~((u64)HINIC_CMDQ_CTXT_##member##_MASK \ |
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<< HINIC_CMDQ_CTXT_##member##_SHIFT))) |
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#define HINIC_SAVED_DATA_ARM_SHIFT 31 |
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#define HINIC_SAVED_DATA_ARM_MASK 0x1 |
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#define HINIC_SAVED_DATA_SET(val, member) \ |
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(((u32)(val) & HINIC_SAVED_DATA_##member##_MASK) \ |
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<< HINIC_SAVED_DATA_##member##_SHIFT) |
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#define HINIC_SAVED_DATA_GET(val, member) \ |
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(((val) >> HINIC_SAVED_DATA_##member##_SHIFT) \ |
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& HINIC_SAVED_DATA_##member##_MASK) |
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#define HINIC_SAVED_DATA_CLEAR(val, member) \ |
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((val) & (~(HINIC_SAVED_DATA_##member##_MASK \ |
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<< HINIC_SAVED_DATA_##member##_SHIFT))) |
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#define HINIC_CMDQ_DB_INFO_HI_PROD_IDX_SHIFT 0 |
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#define HINIC_CMDQ_DB_INFO_PATH_SHIFT 23 |
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#define HINIC_CMDQ_DB_INFO_CMDQ_TYPE_SHIFT 24 |
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#define HINIC_CMDQ_DB_INFO_DB_TYPE_SHIFT 27 |
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#define HINIC_CMDQ_DB_INFO_HI_PROD_IDX_MASK 0xFF |
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#define HINIC_CMDQ_DB_INFO_PATH_MASK 0x1 |
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#define HINIC_CMDQ_DB_INFO_CMDQ_TYPE_MASK 0x7 |
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#define HINIC_CMDQ_DB_INFO_DB_TYPE_MASK 0x1F |
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#define HINIC_CMDQ_DB_INFO_SET(val, member) \ |
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(((u32)(val) & HINIC_CMDQ_DB_INFO_##member##_MASK) \ |
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<< HINIC_CMDQ_DB_INFO_##member##_SHIFT) |
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#define HINIC_CMDQ_BUF_SIZE 2048 |
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#define HINIC_CMDQ_BUF_HW_RSVD 8 |
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#define HINIC_CMDQ_MAX_DATA_SIZE (HINIC_CMDQ_BUF_SIZE - \ |
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HINIC_CMDQ_BUF_HW_RSVD) |
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enum hinic_cmdq_type { |
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HINIC_CMDQ_SYNC, |
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HINIC_MAX_CMDQ_TYPES, |
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}; |
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enum hinic_set_arm_qtype { |
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HINIC_SET_ARM_CMDQ, |
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}; |
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enum hinic_cmd_ack_type { |
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HINIC_CMD_ACK_TYPE_CMDQ, |
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}; |
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struct hinic_cmdq_buf { |
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void *buf; |
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dma_addr_t dma_addr; |
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size_t size; |
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}; |
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struct hinic_cmdq_arm_bit { |
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u32 q_type; |
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u32 q_id; |
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}; |
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struct hinic_cmdq_ctxt_info { |
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u64 curr_wqe_page_pfn; |
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u64 wq_block_pfn; |
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}; |
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struct hinic_cmdq_ctxt { |
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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 cmdq_type; |
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u8 ppf_idx; |
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u8 rsvd2[4]; |
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struct hinic_cmdq_ctxt_info ctxt_info; |
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}; |
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struct hinic_cmdq { |
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struct hinic_hwdev *hwdev; |
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struct hinic_wq *wq; |
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enum hinic_cmdq_type cmdq_type; |
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int wrapped; |
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/* Lock for keeping the doorbell order */ |
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spinlock_t cmdq_lock; |
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struct completion **done; |
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int **errcode; |
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/* doorbell area */ |
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void __iomem *db_base; |
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}; |
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struct hinic_cmdqs { |
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struct hinic_hwif *hwif; |
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struct dma_pool *cmdq_buf_pool; |
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struct hinic_wq *saved_wqs; |
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struct hinic_cmdq_pages cmdq_pages; |
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struct hinic_cmdq cmdq[HINIC_MAX_CMDQ_TYPES]; |
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}; |
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int hinic_alloc_cmdq_buf(struct hinic_cmdqs *cmdqs, |
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struct hinic_cmdq_buf *cmdq_buf); |
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void hinic_free_cmdq_buf(struct hinic_cmdqs *cmdqs, |
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struct hinic_cmdq_buf *cmdq_buf); |
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int hinic_cmdq_direct_resp(struct hinic_cmdqs *cmdqs, |
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enum hinic_mod_type mod, u8 cmd, |
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struct hinic_cmdq_buf *buf_in, u64 *out_param); |
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int hinic_set_arm_bit(struct hinic_cmdqs *cmdqs, |
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enum hinic_set_arm_qtype q_type, u32 q_id); |
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int hinic_init_cmdqs(struct hinic_cmdqs *cmdqs, struct hinic_hwif *hwif, |
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void __iomem **db_area); |
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void hinic_free_cmdqs(struct hinic_cmdqs *cmdqs); |
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#endif
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