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/****************************************************************************
* Driver for Solarflare network controllers and boards
* Copyright 2015 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 version 2 as published
* by the Free Software Foundation, incorporated herein by reference.
*/
#include <linux/pci.h>
#include <linux/module.h>
#include "net_driver.h"
#include "efx.h"
#include "nic.h"
#include "mcdi_pcol.h"
#ifdef CONFIG_SFC_SRIOV
static int efx_ef10_pci_sriov_enable(struct efx_nic *efx, int num_vfs)
{
int rc = 0;
struct pci_dev *dev = efx->pci_dev;
efx->vf_count = num_vfs;
rc = pci_enable_sriov(dev, num_vfs);
if (rc) {
efx->vf_count = 0;
netif_err(efx, probe, efx->net_dev,
"Failed to enable SRIOV VFs\n");
}
return rc;
}
static int efx_ef10_pci_sriov_disable(struct efx_nic *efx)
{
struct pci_dev *dev = efx->pci_dev;
efx->vf_count = 0;
pci_disable_sriov(dev);
return 0;
}
#endif
int efx_ef10_sriov_configure(struct efx_nic *efx, int num_vfs)
{
#ifdef CONFIG_SFC_SRIOV
if (num_vfs == 0)
return efx_ef10_pci_sriov_disable(efx);
else
return efx_ef10_pci_sriov_enable(efx, num_vfs);
#else
return -EOPNOTSUPP;
#endif
}
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