1 /**************************************************************************** 2 * Driver for Solarflare network controllers and boards 3 * Copyright 2006-2013 Solarflare Communications Inc. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 as published 7 * by the Free Software Foundation, incorporated herein by reference. 8 */ 9 10 #ifndef EFX_WORKAROUNDS_H 11 #define EFX_WORKAROUNDS_H 12 13 /* 14 * Hardware workarounds. 15 * Bug numbers are from Solarflare's Bugzilla. 16 */ 17 18 #define EFX_WORKAROUND_SIENA(efx) (efx_nic_rev(efx) == EFX_REV_SIENA_A0) 19 #define EFX_WORKAROUND_EF10(efx) (efx_nic_rev(efx) >= EFX_REV_HUNT_A0) 20 #define EFX_WORKAROUND_10G(efx) 1 21 22 /* Bit-bashed I2C reads cause performance drop */ 23 #define EFX_WORKAROUND_7884 EFX_WORKAROUND_10G 24 /* Legacy interrupt storm when interrupt fifo fills */ 25 #define EFX_WORKAROUND_17213 EFX_WORKAROUND_SIENA 26 27 /* Lockup when writing event block registers at gen2/gen3 */ 28 #define EFX_EF10_WORKAROUND_35388(efx) \ 29 (((struct efx_ef10_nic_data *)efx->nic_data)->workaround_35388) 30 #define EFX_WORKAROUND_35388(efx) \ 31 (efx_nic_rev(efx) == EFX_REV_HUNT_A0 && EFX_EF10_WORKAROUND_35388(efx)) 32 33 /* Moderation timer access must go through MCDI */ 34 #define EFX_EF10_WORKAROUND_61265(efx) \ 35 (((struct efx_ef10_nic_data *)efx->nic_data)->workaround_61265) 36 37 #endif /* EFX_WORKAROUNDS_H */ 38