| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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 */ |