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04 Nov 2024 04:14:09 -0800 X-CSE-ConnectionGUID: OUQkur6GTlStJgIetQOWWQ== X-CSE-MsgGUID: ut0oV28iR/iPKnBbahzysA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,257,1725346800"; d="scan'208";a="83525789" Received: from gk3153-dr2-r750-36946.igk.intel.com ([10.102.20.192]) by orviesa009.jf.intel.com with ESMTP; 04 Nov 2024 04:14:05 -0800 From: Michal Swiatkowski To: intel-wired-lan@lists.osuosl.org Date: Mon, 4 Nov 2024 13:13:35 +0100 Message-ID: <20241104121337.129287-8-michal.swiatkowski@linux.intel.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20241104121337.129287-1-michal.swiatkowski@linux.intel.com> References: <20241104121337.129287-1-michal.swiatkowski@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1730722449; x=1762258449; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=sFgccSLxeaMA8TEo/cKMi+7lBSh3EhKPf3QSeQRznkg=; b=R6tcaOfGKq+xRAwi7r3auziW4NwciloYPoccnTZn9VAMA0EiEqpJZkbo 0gk+bAf5utyzUZh9DfVXV2Qr16gpoBfCm0EIHnkdOeKSdrpcRvdEfHsBG evtMOeCCQofuSJsY6/qRmDPAHW4nXxn8HUYXUn8v4yiKkKnQge74/zqNA cnDBODGBGjbMSSyQtTQZshsHh2KvIVMd6eGjAZCx1Uq84UFmCunNLHu9H hl3Kb/ucsLRC8VrLBLlKNMv30VfPe2albZg7PW1ecKvuG1efNGU70iO1i LAi0AeE0PDKRvxUKEpyBQOD7dDeXhCuCT2E25daZNV2wlia+v8JcXNTm6 w==; X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dmarc=none (p=none dis=none) header.from=linux.intel.com X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=R6tcaOfG Subject: [Intel-wired-lan] [iwl-next v7 7/9] ice: enable_rdma devlink param X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pmenzel@molgen.mpg.de, wojciech.drewek@intel.com, marcin.szycik@intel.com, netdev@vger.kernel.org, konrad.knitter@intel.com, pawel.chmielewski@intel.com, horms@kernel.org, David.Laight@ACULAB.COM, nex.sw.ncis.nat.hpm.dev@intel.com, pio.raczynski@gmail.com, sridhar.samudrala@intel.com, jacob.e.keller@intel.com, jiri@resnulli.us, przemyslaw.kitszel@intel.com Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" Implement enable_rdma devlink parameter to allow user to turn RDMA feature on and off. It is useful when there is no enough interrupts and user doesn't need RDMA feature. Reviewed-by: Jacob Keller Reviewed-by: Jan Sokolowski Reviewed-by: Przemek Kitszel Signed-off-by: Michal Swiatkowski --- .../net/ethernet/intel/ice/devlink/devlink.c | 19 +++++++++++++++++++ drivers/net/ethernet/intel/ice/ice_lib.c | 8 +++++++- 2 files changed, 26 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink.c b/drivers/net/ethernet/intel/ice/devlink/devlink.c index da7c4eecaad3..e785728a8f1f 100644 --- a/drivers/net/ethernet/intel/ice/devlink/devlink.c +++ b/drivers/net/ethernet/intel/ice/devlink/devlink.c @@ -1583,6 +1583,19 @@ ice_devlink_msix_min_pf_validate(struct devlink *devlink, u32 id, return 0; } +static int ice_devlink_enable_rdma_validate(struct devlink *devlink, u32 id, + union devlink_param_value val, + struct netlink_ext_ack *extack) +{ + struct ice_pf *pf = devlink_priv(devlink); + bool new_state = val.vbool; + + if (new_state && !test_bit(ICE_FLAG_RDMA_ENA, pf->flags)) + return -EOPNOTSUPP; + + return 0; +} + enum ice_param_id { ICE_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX, ICE_DEVLINK_PARAM_ID_TX_SCHED_LAYERS, @@ -1598,6 +1611,8 @@ static const struct devlink_param ice_dvl_rdma_params[] = { ice_devlink_enable_iw_get, ice_devlink_enable_iw_set, ice_devlink_enable_iw_validate), + DEVLINK_PARAM_GENERIC(ENABLE_RDMA, BIT(DEVLINK_PARAM_CMODE_DRIVERINIT), + NULL, NULL, ice_devlink_enable_rdma_validate), }; static const struct devlink_param ice_dvl_msix_params[] = { @@ -1738,6 +1753,10 @@ int ice_devlink_register_params(struct ice_pf *pf) devl_param_driverinit_value_set(devlink, DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, value); + value.vbool = test_bit(ICE_FLAG_RDMA_ENA, pf->flags); + devl_param_driverinit_value_set(devlink, + DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA, + value); return 0; } diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index 01afa5f84af9..29a3e055b7c6 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -833,7 +833,13 @@ bool ice_is_safe_mode(struct ice_pf *pf) */ bool ice_is_rdma_ena(struct ice_pf *pf) { - return test_bit(ICE_FLAG_RDMA_ENA, pf->flags); + union devlink_param_value value; + int err; + + err = devl_param_driverinit_value_get(priv_to_devlink(pf), + DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA, + &value); + return err ? test_bit(ICE_FLAG_RDMA_ENA, pf->flags) : value.vbool; } /** -- 2.42.0