Date: Wed, 5 Dec 2018 13:44:08 +0000 (UTC) From: Slava Shwartsman <slavash@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r341561 - head/sys/dev/mlx5/mlx5_core Message-ID: <201812051344.wB5Di8Xr081495@repo.freebsd.org>
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Author: slavash Date: Wed Dec 5 13:44:08 2018 New Revision: 341561 URL: https://svnweb.freebsd.org/changeset/base/341561 Log: mlx5: Add global control to disable firmware reset, for all mlx5 devices. Submitted by: kib@ Approved by: hselasky (mentor) MFC after: 1 week Sponsored by: Mellanox Technologies Modified: head/sys/dev/mlx5/mlx5_core/mlx5_health.c Modified: head/sys/dev/mlx5/mlx5_core/mlx5_health.c ============================================================================== --- head/sys/dev/mlx5/mlx5_core/mlx5_health.c Wed Dec 5 13:43:37 2018 (r341560) +++ head/sys/dev/mlx5/mlx5_core/mlx5_health.c Wed Dec 5 13:44:08 2018 (r341561) @@ -59,6 +59,11 @@ enum { MLX5_SENSOR_FW_SYND_RFR = 5, }; +static int mlx5_fw_reset_enable = 1; +SYSCTL_INT(_hw_mlx5, OID_AUTO, fw_reset_enable, CTLFLAG_RWTUN, + &mlx5_fw_reset_enable, 0, + "Enable firmware reset"); + static int lock_sem_sw_reset(struct mlx5_core_dev *dev) { int ret; @@ -180,10 +185,13 @@ static u32 check_fatal_sensors(struct mlx5_core_dev *d static void reset_fw_if_needed(struct mlx5_core_dev *dev) { - bool supported = (ioread32be(&dev->iseg->initializing) >> - MLX5_FW_RESET_SUPPORTED_OFFSET) & 1; + bool supported; u32 cmdq_addr, fatal_error; + if (!mlx5_fw_reset_enable) + return; + supported = (ioread32be(&dev->iseg->initializing) >> + MLX5_FW_RESET_SUPPORTED_OFFSET) & 1; if (!supported) return;
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