mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-28 07:13:34 +00:00
d2912cb15b
Based on 2 normalized pattern(s): 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 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 # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
76 lines
2.9 KiB
C
76 lines
2.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/****************************************************************************
|
|
* Driver for Solarflare network controllers and boards
|
|
* Copyright 2015 Solarflare Communications Inc.
|
|
*/
|
|
|
|
#ifndef SIENA_SRIOV_H
|
|
#define SIENA_SRIOV_H
|
|
|
|
#include "net_driver.h"
|
|
|
|
/* On the SFC9000 family each port is associated with 1 PCI physical
|
|
* function (PF) handled by sfc and a configurable number of virtual
|
|
* functions (VFs) that may be handled by some other driver, often in
|
|
* a VM guest. The queue pointer registers are mapped in both PF and
|
|
* VF BARs such that an 8K region provides access to a single RX, TX
|
|
* and event queue (collectively a Virtual Interface, VI or VNIC).
|
|
*
|
|
* The PF has access to all 1024 VIs while VFs are mapped to VIs
|
|
* according to VI_BASE and VI_SCALE: VF i has access to VIs numbered
|
|
* in range [VI_BASE + i << VI_SCALE, VI_BASE + i + 1 << VI_SCALE).
|
|
* The number of VIs and the VI_SCALE value are configurable but must
|
|
* be established at boot time by firmware.
|
|
*/
|
|
|
|
/* Maximum VI_SCALE parameter supported by Siena */
|
|
#define EFX_VI_SCALE_MAX 6
|
|
/* Base VI to use for SR-IOV. Must be aligned to (1 << EFX_VI_SCALE_MAX),
|
|
* so this is the smallest allowed value.
|
|
*/
|
|
#define EFX_VI_BASE 128U
|
|
/* Maximum number of VFs allowed */
|
|
#define EFX_VF_COUNT_MAX 127
|
|
/* Limit EVQs on VFs to be only 8k to reduce buffer table reservation */
|
|
#define EFX_MAX_VF_EVQ_SIZE 8192UL
|
|
/* The number of buffer table entries reserved for each VI on a VF */
|
|
#define EFX_VF_BUFTBL_PER_VI \
|
|
((EFX_MAX_VF_EVQ_SIZE + 2 * EFX_MAX_DMAQ_SIZE) * \
|
|
sizeof(efx_qword_t) / EFX_BUF_SIZE)
|
|
|
|
int efx_siena_sriov_configure(struct efx_nic *efx, int num_vfs);
|
|
int efx_siena_sriov_init(struct efx_nic *efx);
|
|
void efx_siena_sriov_fini(struct efx_nic *efx);
|
|
int efx_siena_sriov_mac_address_changed(struct efx_nic *efx);
|
|
bool efx_siena_sriov_wanted(struct efx_nic *efx);
|
|
void efx_siena_sriov_reset(struct efx_nic *efx);
|
|
void efx_siena_sriov_flr(struct efx_nic *efx, unsigned flr);
|
|
|
|
int efx_siena_sriov_set_vf_mac(struct efx_nic *efx, int vf, u8 *mac);
|
|
int efx_siena_sriov_set_vf_vlan(struct efx_nic *efx, int vf,
|
|
u16 vlan, u8 qos);
|
|
int efx_siena_sriov_set_vf_spoofchk(struct efx_nic *efx, int vf,
|
|
bool spoofchk);
|
|
int efx_siena_sriov_get_vf_config(struct efx_nic *efx, int vf,
|
|
struct ifla_vf_info *ivf);
|
|
|
|
#ifdef CONFIG_SFC_SRIOV
|
|
|
|
static inline bool efx_siena_sriov_enabled(struct efx_nic *efx)
|
|
{
|
|
return efx->vf_init_count != 0;
|
|
}
|
|
#else /* !CONFIG_SFC_SRIOV */
|
|
static inline bool efx_siena_sriov_enabled(struct efx_nic *efx)
|
|
{
|
|
return false;
|
|
}
|
|
#endif /* CONFIG_SFC_SRIOV */
|
|
|
|
void efx_siena_sriov_probe(struct efx_nic *efx);
|
|
void efx_siena_sriov_tx_flush_done(struct efx_nic *efx, efx_qword_t *event);
|
|
void efx_siena_sriov_rx_flush_done(struct efx_nic *efx, efx_qword_t *event);
|
|
void efx_siena_sriov_event(struct efx_channel *channel, efx_qword_t *event);
|
|
void efx_siena_sriov_desc_fetch_err(struct efx_nic *efx, unsigned dmaq);
|
|
|
|
#endif /* SIENA_SRIOV_H */
|