cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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workarounds.h (1541B)


      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 EF4_WORKAROUNDS_H
      8#define EF4_WORKAROUNDS_H
      9
     10/*
     11 * Hardware workarounds.
     12 * Bug numbers are from Solarflare's Bugzilla.
     13 */
     14
     15#define EF4_WORKAROUND_FALCON_A(efx) (ef4_nic_rev(efx) <= EF4_REV_FALCON_A1)
     16#define EF4_WORKAROUND_FALCON_AB(efx) (ef4_nic_rev(efx) <= EF4_REV_FALCON_B0)
     17#define EF4_WORKAROUND_10G(efx) 1
     18
     19/* Bit-bashed I2C reads cause performance drop */
     20#define EF4_WORKAROUND_7884 EF4_WORKAROUND_10G
     21/* Truncated IPv4 packets can confuse the TX packet parser */
     22#define EF4_WORKAROUND_15592 EF4_WORKAROUND_FALCON_AB
     23
     24/* Spurious parity errors in TSORT buffers */
     25#define EF4_WORKAROUND_5129 EF4_WORKAROUND_FALCON_A
     26/* Unaligned read request >512 bytes after aligning may break TSORT */
     27#define EF4_WORKAROUND_5391 EF4_WORKAROUND_FALCON_A
     28/* iSCSI parsing errors */
     29#define EF4_WORKAROUND_5583 EF4_WORKAROUND_FALCON_A
     30/* RX events go missing */
     31#define EF4_WORKAROUND_5676 EF4_WORKAROUND_FALCON_A
     32/* RX_RESET on A1 */
     33#define EF4_WORKAROUND_6555 EF4_WORKAROUND_FALCON_A
     34/* Increase filter depth to avoid RX_RESET */
     35#define EF4_WORKAROUND_7244 EF4_WORKAROUND_FALCON_A
     36/* Flushes may never complete */
     37#define EF4_WORKAROUND_7803 EF4_WORKAROUND_FALCON_AB
     38/* Leak overlength packets rather than free */
     39#define EF4_WORKAROUND_8071 EF4_WORKAROUND_FALCON_A
     40
     41#endif /* EF4_WORKAROUNDS_H */