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