18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 28c2ecf20Sopenharmony_ci/**************************************************************************** 38c2ecf20Sopenharmony_ci * Driver for Solarflare network controllers and boards 48c2ecf20Sopenharmony_ci * Copyright 2006-2013 Solarflare Communications Inc. 58c2ecf20Sopenharmony_ci */ 68c2ecf20Sopenharmony_ci 78c2ecf20Sopenharmony_ci#ifndef EFX_WORKAROUNDS_H 88c2ecf20Sopenharmony_ci#define EFX_WORKAROUNDS_H 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ci/* 118c2ecf20Sopenharmony_ci * Hardware workarounds. 128c2ecf20Sopenharmony_ci * Bug numbers are from Solarflare's Bugzilla. 138c2ecf20Sopenharmony_ci */ 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_ci#define EFX_WORKAROUND_SIENA(efx) (efx_nic_rev(efx) == EFX_REV_SIENA_A0) 168c2ecf20Sopenharmony_ci#define EFX_WORKAROUND_EF10(efx) (efx_nic_rev(efx) >= EFX_REV_HUNT_A0) 178c2ecf20Sopenharmony_ci#define EFX_WORKAROUND_10G(efx) 1 188c2ecf20Sopenharmony_ci 198c2ecf20Sopenharmony_ci/* Bit-bashed I2C reads cause performance drop */ 208c2ecf20Sopenharmony_ci#define EFX_WORKAROUND_7884 EFX_WORKAROUND_10G 218c2ecf20Sopenharmony_ci/* Legacy interrupt storm when interrupt fifo fills */ 228c2ecf20Sopenharmony_ci#define EFX_WORKAROUND_17213 EFX_WORKAROUND_SIENA 238c2ecf20Sopenharmony_ci 248c2ecf20Sopenharmony_ci/* Lockup when writing event block registers at gen2/gen3 */ 258c2ecf20Sopenharmony_ci#define EFX_EF10_WORKAROUND_35388(efx) \ 268c2ecf20Sopenharmony_ci (((struct efx_ef10_nic_data *)efx->nic_data)->workaround_35388) 278c2ecf20Sopenharmony_ci#define EFX_WORKAROUND_35388(efx) \ 288c2ecf20Sopenharmony_ci (efx_nic_rev(efx) == EFX_REV_HUNT_A0 && EFX_EF10_WORKAROUND_35388(efx)) 298c2ecf20Sopenharmony_ci 308c2ecf20Sopenharmony_ci/* Moderation timer access must go through MCDI */ 318c2ecf20Sopenharmony_ci#define EFX_EF10_WORKAROUND_61265(efx) \ 328c2ecf20Sopenharmony_ci (((struct efx_ef10_nic_data *)efx->nic_data)->workaround_61265) 338c2ecf20Sopenharmony_ci 348c2ecf20Sopenharmony_ci#endif /* EFX_WORKAROUNDS_H */ 35