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a5564e7e44
Initialize hw device by calling the initialization functions of aeqs and management channel. Signed-off-by: Aviad Krawczyk <aviad.krawczyk@huawei.com> Signed-off-by: Zhao Chen <zhaochen6@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
108 lines
2.5 KiB
C
108 lines
2.5 KiB
C
/*
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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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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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*/
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#ifndef HINIC_HW_EQS_H
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#define HINIC_HW_EQS_H
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#include <linux/types.h>
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#include <linux/workqueue.h>
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#include <linux/pci.h>
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#include <linux/sizes.h>
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#include <linux/bitops.h>
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#include "hinic_hw_if.h"
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#define HINIC_MAX_AEQS 4
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#define HINIC_DEFAULT_AEQ_LEN 64
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#define HINIC_EQ_PAGE_SIZE SZ_4K
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enum hinic_eq_type {
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HINIC_AEQ,
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};
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enum hinic_aeq_type {
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HINIC_MSG_FROM_MGMT_CPU = 2,
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HINIC_MAX_AEQ_EVENTS,
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};
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enum hinic_eqe_state {
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HINIC_EQE_ENABLED = BIT(0),
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HINIC_EQE_RUNNING = BIT(1),
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};
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struct hinic_eq_work {
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struct work_struct work;
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void *data;
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};
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struct hinic_eq {
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struct hinic_hwif *hwif;
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enum hinic_eq_type type;
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int q_id;
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u32 q_len;
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u32 page_size;
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u32 cons_idx;
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int wrapped;
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size_t elem_size;
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int num_pages;
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int num_elem_in_pg;
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struct msix_entry msix_entry;
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dma_addr_t *dma_addr;
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void **virt_addr;
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struct hinic_eq_work aeq_work;
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};
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struct hinic_hw_event_cb {
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void (*hwe_handler)(void *handle, void *data, u8 size);
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void *handle;
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unsigned long hwe_state;
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};
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struct hinic_aeqs {
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struct hinic_hwif *hwif;
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struct hinic_eq aeq[HINIC_MAX_AEQS];
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int num_aeqs;
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struct hinic_hw_event_cb hwe_cb[HINIC_MAX_AEQ_EVENTS];
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struct workqueue_struct *workq;
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};
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void hinic_aeq_register_hw_cb(struct hinic_aeqs *aeqs,
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enum hinic_aeq_type event, void *handle,
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void (*hwe_handler)(void *handle, void *data,
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u8 size));
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void hinic_aeq_unregister_hw_cb(struct hinic_aeqs *aeqs,
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enum hinic_aeq_type event);
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int hinic_aeqs_init(struct hinic_aeqs *aeqs, struct hinic_hwif *hwif,
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int num_aeqs, u32 q_len, u32 page_size,
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struct msix_entry *msix_entries);
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void hinic_aeqs_free(struct hinic_aeqs *aeqs);
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#endif
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