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Ben Hutchings8ceee662008-04-27 12:55:59 +01001/****************************************************************************
Ben Hutchingsf7a6d2c2013-08-29 23:32:48 +01002 * Driver for Solarflare network controllers and boards
3 * Copyright 2006-2013 Solarflare Communications Inc.
Ben Hutchings8ceee662008-04-27 12:55:59 +01004 *
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
Ben Hutchings8880f4e2009-11-29 15:15:41 +000018#define EFX_WORKAROUND_SIENA(efx) (efx_nic_rev(efx) == EFX_REV_SIENA_A0)
Bert Kenwarda53d26e2017-04-25 13:44:54 +010019#define EFX_WORKAROUND_EF10(efx) (efx_nic_rev(efx) >= EFX_REV_HUNT_A0)
Ben Hutchings8fbca792010-09-22 10:00:11 +000020#define EFX_WORKAROUND_10G(efx) 1
Ben Hutchings8ceee662008-04-27 12:55:59 +010021
Ben Hutchings3e133c42008-11-04 20:34:56 +000022/* Bit-bashed I2C reads cause performance drop */
Ben Hutchings6f158d52008-12-12 22:00:49 -080023#define EFX_WORKAROUND_7884 EFX_WORKAROUND_10G
Ben Hutchings8880f4e2009-11-29 15:15:41 +000024/* Legacy interrupt storm when interrupt fifo fills */
25#define EFX_WORKAROUND_17213 EFX_WORKAROUND_SIENA
Ben Hutchings8ceee662008-04-27 12:55:59 +010026
Ben Hutchings8127d662013-08-29 19:19:29 +010027/* 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
Bert Kenward539de7c2016-08-11 13:02:09 +010033/* 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
Ben Hutchings8ceee662008-04-27 12:55:59 +010037#endif /* EFX_WORKAROUNDS_H */