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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Driver for Alibaba Elastic Ethernet Adapter.
*
* Copyright (C) 2025 Alibaba Inc.
*/
#ifndef __EEA_PCI_H__
#define __EEA_PCI_H__
#include <linux/pci.h>
#include "eea_net.h"
#include "eea_ring.h"
enum eea_pci_status {
EEA_PCI_STATUS_NONE,
EEA_PCI_STATUS_ERR,
EEA_PCI_STATUS_READY,
EEA_PCI_STATUS_DONE,
};
struct eea_irq_blk;
struct eea_pci_cap {
__u8 cap_vndr;
__u8 cap_next;
__u8 cap_len;
__u8 cfg_type;
};
struct eea_pci_reset_reg {
struct eea_pci_cap cap;
__le16 driver;
__le16 device;
};
struct eea_pci_device;
struct eea_device {
struct eea_pci_device *ep_dev;
struct device *dma_dev;
struct eea_net *enet;
u64 features;
enum eea_pci_status status;
bool ha_reset_netdev_running;
/* ha lock for the race between ha work and pci remove */
struct mutex ha_lock;
u32 rx_num;
u32 tx_num;
u32 db_blk_size;
};
const char *eea_pci_name(struct eea_device *edev);
int eea_pci_domain_nr(struct eea_device *edev);
u16 eea_pci_bdf(struct eea_device *edev);
int eea_device_reset(struct eea_device *dev);
int eea_pci_set_aq_up(struct eea_device *dev);
int eea_pci_active_aq(struct eea_ring *ering, int msix_vec);
int eea_pci_request_irq(struct eea_device *edev, struct eea_irq_blk *blk,
irqreturn_t (*callback)(int irq, void *data));
void eea_pci_free_irq(struct eea_irq_blk *blk);
u64 eea_pci_device_ts(struct eea_device *edev);
void __iomem *eea_pci_db_addr(struct eea_device *edev, u32 off);
#endif
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