linux-zen-server/drivers/net/ethernet/emulex/benet/be_roce.h

74 lines
1.6 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2005 - 2016 Broadcom
* All rights reserved.
*
* Contact Information:
* linux-drivers@emulex.com
*
* Emulex
* 3333 Susan Street
* Costa Mesa, CA 92626
*/
#ifndef BE_ROCE_H
#define BE_ROCE_H
#include <linux/pci.h>
#include <linux/netdevice.h>
#define BE_ROCE_ABI_VERSION 1
struct ocrdma_dev;
enum be_interrupt_mode {
BE_INTERRUPT_MODE_MSIX = 0,
BE_INTERRUPT_MODE_INTX = 1,
BE_INTERRUPT_MODE_MSI = 2,
};
#define MAX_MSIX_VECTORS 32
struct be_dev_info {
u8 __iomem *db;
u64 unmapped_db;
u32 db_page_size;
u32 db_total_size;
u64 dpp_unmapped_addr;
u32 dpp_unmapped_len;
struct pci_dev *pdev;
struct net_device *netdev;
u8 mac_addr[ETH_ALEN];
u32 dev_family;
enum be_interrupt_mode intr_mode;
struct {
int num_vectors;
int start_vector;
u32 vector_list[MAX_MSIX_VECTORS];
} msix;
};
/* ocrdma driver register's the callback functions with nic driver. */
struct ocrdma_driver {
unsigned char name[32];
u32 be_abi_version;
struct ocrdma_dev *(*add) (struct be_dev_info *dev_info);
void (*remove) (struct ocrdma_dev *);
void (*state_change_handler) (struct ocrdma_dev *, u32 new_state);
};
enum be_roce_event {
BE_DEV_SHUTDOWN = 2
};
/* APIs for RoCE driver to register callback handlers,
* which will be invoked when device is added, removed, ifup, ifdown
*/
int be_roce_register_driver(struct ocrdma_driver *drv);
void be_roce_unregister_driver(struct ocrdma_driver *drv);
/* API for RoCE driver to issue mailbox commands */
int be_roce_mcc_cmd(void *netdev_handle, void *wrb_payload,
int wrb_payload_size, u16 *cmd_status, u16 *ext_status);
#endif /* BE_ROCE_H */