1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /**************************************************************************** 3*4882a593Smuzhiyun * Driver for Solarflare network controllers and boards 4*4882a593Smuzhiyun * Copyright 2006-2013 Solarflare Communications Inc. 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #ifndef EFX_WORKAROUNDS_H 8*4882a593Smuzhiyun #define EFX_WORKAROUNDS_H 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun /* 11*4882a593Smuzhiyun * Hardware workarounds. 12*4882a593Smuzhiyun * Bug numbers are from Solarflare's Bugzilla. 13*4882a593Smuzhiyun */ 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #define EFX_WORKAROUND_SIENA(efx) (efx_nic_rev(efx) == EFX_REV_SIENA_A0) 16*4882a593Smuzhiyun #define EFX_WORKAROUND_EF10(efx) (efx_nic_rev(efx) >= EFX_REV_HUNT_A0) 17*4882a593Smuzhiyun #define EFX_WORKAROUND_10G(efx) 1 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun /* Bit-bashed I2C reads cause performance drop */ 20*4882a593Smuzhiyun #define EFX_WORKAROUND_7884 EFX_WORKAROUND_10G 21*4882a593Smuzhiyun /* Legacy interrupt storm when interrupt fifo fills */ 22*4882a593Smuzhiyun #define EFX_WORKAROUND_17213 EFX_WORKAROUND_SIENA 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun /* Lockup when writing event block registers at gen2/gen3 */ 25*4882a593Smuzhiyun #define EFX_EF10_WORKAROUND_35388(efx) \ 26*4882a593Smuzhiyun (((struct efx_ef10_nic_data *)efx->nic_data)->workaround_35388) 27*4882a593Smuzhiyun #define EFX_WORKAROUND_35388(efx) \ 28*4882a593Smuzhiyun (efx_nic_rev(efx) == EFX_REV_HUNT_A0 && EFX_EF10_WORKAROUND_35388(efx)) 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun /* Moderation timer access must go through MCDI */ 31*4882a593Smuzhiyun #define EFX_EF10_WORKAROUND_61265(efx) \ 32*4882a593Smuzhiyun (((struct efx_ef10_nic_data *)efx->nic_data)->workaround_61265) 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun #endif /* EFX_WORKAROUNDS_H */ 35