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/**************************************************************************
*
* GPL net driver for Solarflare network cards
*
* Written by Shradha Shah <sshah@solarflare.com>
*
* Copyright 2012-2017 Solarflare Communications Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or any later version.
*
* You can also choose to distribute this program under the terms of
* the Unmodified Binary Distribution Licence (as given in the file
* COPYING.UBDL), provided that you have satisfied its requirements.
*
***************************************************************************/
#ifndef EFX_HUNT_H
#define EFX_HUNT_H
#include "efx_common.h"
FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
/**************************************************************************
*
* Hardware data structures and sizing
*
***************************************************************************/
#define EFX_EV_SIZE(_nevs) ((_nevs) * sizeof(efx_qword_t))
#define EFX_EVQ_NBUFS(_nevs) (EFX_EV_SIZE(_nevs) / EFX_BUF_ALIGN)
#define EFX_RXQ_SIZE(_ndescs) ((_ndescs) * sizeof(efx_qword_t))
#define EFX_RXQ_NBUFS(_ndescs) (EFX_RXQ_SIZE(_ndescs) / EFX_BUF_ALIGN)
#define EFX_TXQ_SIZE(_ndescs) ((_ndescs) * sizeof(efx_qword_t))
#define EFX_TXQ_NBUFS(_ndescs) (EFX_TXQ_SIZE(_ndescs) / EFX_BUF_ALIGN)
/** MCDI request structure */
struct efx_mcdi_req_s {
unsigned int emr_cmd;
efx_dword_t *emr_in_buf;
size_t emr_in_length;
int emr_rc;
efx_dword_t *emr_out_buf;
size_t emr_out_length;
size_t emr_out_length_used;
};
/*******************************************************************************
*
*
* Hardware API
*
*
******************************************************************************/
extern void efx_hunt_free_special_buffer(void *buf, int bytes);
/* Data path entry points */
extern int efx_hunt_transmit(struct net_device *netdev, struct io_buffer *iob);
extern void efx_hunt_poll(struct net_device *netdev);
extern void efx_hunt_irq(struct net_device *netdev, int enable);
/* Initialisation */
extern int efx_hunt_ev_init(struct net_device *netdev, dma_addr_t *dma_addr);
extern int efx_hunt_rx_init(struct net_device *netdev, dma_addr_t *dma_addr);
extern int efx_hunt_tx_init(struct net_device *netdev, dma_addr_t *dma_addr);
extern int efx_hunt_open(struct net_device *netdev);
extern void efx_hunt_close(struct net_device *netdev);
#endif /* EFX_HUNT_H */
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