From patchwork Tue May 7 11:45:06 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Swiatkowski X-Patchwork-Id: 13656714 X-Patchwork-Delegate: kuba@kernel.org Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 76013152E17 for ; Tue, 7 May 2024 11:40:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.13 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715082028; cv=none; b=opjGUd+8Tr6HjQo7uRczGqnLC1nzjtsY/2T59ALEhAveCkiVnskr2PJpJhrGsh8zSqPsxJJE/41XjMnsl+nb8U4KGbZuQGN2X21tl7GE9S3M0jYUL8CRSePO+4gU0YYiMYvCINa9ZS0ffKLFHl+Lo0hQfTXux1hrVUZVxh9uPn4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715082028; c=relaxed/simple; bh=p7xbLuZCBblQGioAUsDrmvN/DI/qJSnEqL7wppc/oq4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=D5UiscDM8apY/DUweIzqTpsC3Cc4oECI//GKaOoPHlPSRefn0JgHLcYCh3VfBa9ak0QY4HJbRvVVHS50Kv/mfWEoTeIxD9PLpht3H7Gl5SWkk3MhHByzJ921KbZShwebBoot7oU7pkyCc4D0P3ya+XLhcTYV8k2yhzWR6MARRZI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=YCYuXPVk; arc=none smtp.client-ip=198.175.65.13 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="YCYuXPVk" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1715082028; x=1746618028; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=p7xbLuZCBblQGioAUsDrmvN/DI/qJSnEqL7wppc/oq4=; b=YCYuXPVkPiZbWW6JdaGdsTXmlC+9H5dhlqQ3ibq724Di8YKH4nYr2PQz nLacFt0CVbQY2cWGDp7FWirthsM2woAWSeCunoyy7q1DdsAloY9Np/sFf rjMX831FzHPRVnZ0NRvsQcSo2kuzIv8U2o5BmQninR+EmFA8wXQnioRWI ZeTA9xI6N4dC2vKxhd0DVRDj8by8cGrE2BrE0vXLGk8Sv0rWaT9Uz0bhk DWZJhWZ+qFG4Q88KiBWPY7dYS6e7VMumhraIjfIfonqWo99P8eGTpePI5 f/GupYJXJRXSqqMj/XSK+VGlgUMYx2sSW3Y3RUMI8M3CfQz3ZCsYnX/hd g==; X-CSE-ConnectionGUID: cmXLNajoQ5C8it0Cw4dkKA== X-CSE-MsgGUID: 2UtXpJCISa2T/Sx3+sjrZQ== X-IronPort-AV: E=McAfee;i="6600,9927,11065"; a="22029154" X-IronPort-AV: E=Sophos;i="6.08,261,1712646000"; d="scan'208";a="22029154" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 May 2024 04:40:28 -0700 X-CSE-ConnectionGUID: ETT2H8uaTvqPZNg9hVvhfQ== X-CSE-MsgGUID: zwFXQ/yQTPaA62t06IS+ZQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,261,1712646000"; d="scan'208";a="28576694" Received: from wasp.igk.intel.com (HELO GK3153-DR2-R750-36946.localdomain.com) ([10.102.20.192]) by orviesa009.jf.intel.com with ESMTP; 07 May 2024 04:40:24 -0700 From: Michal Swiatkowski To: intel-wired-lan@lists.osuosl.org Cc: netdev@vger.kernel.org, jacob.e.keller@intel.com, michal.kubiak@intel.com, maciej.fijalkowski@intel.com, sridhar.samudrala@intel.com, przemyslaw.kitszel@intel.com, wojciech.drewek@intel.com, pio.raczynski@gmail.com, jiri@nvidia.com, mateusz.polchlopek@intel.com, shayd@nvidia.com Subject: [iwl-next v1 05/14] ice: allocate devlink for subfunction Date: Tue, 7 May 2024 13:45:06 +0200 Message-ID: <20240507114516.9765-6-michal.swiatkowski@linux.intel.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240507114516.9765-1-michal.swiatkowski@linux.intel.com> References: <20240507114516.9765-1-michal.swiatkowski@linux.intel.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org From: Piotr Raczynski Make devlink allocation function generic to use it for PF and for SF. Add function for SF devlink port creation. It will be used in next patch. Create header file for subfunction device. Define subfunction device structure there as it is needed for devlink allocation and port creation. Signed-off-by: Piotr Raczynski Signed-off-by: Michal Swiatkowski --- .../net/ethernet/intel/ice/devlink/devlink.c | 33 ++++++++++++ .../net/ethernet/intel/ice/devlink/devlink.h | 1 + .../ethernet/intel/ice/devlink/devlink_port.c | 50 +++++++++++++++++++ .../ethernet/intel/ice/devlink/devlink_port.h | 3 ++ drivers/net/ethernet/intel/ice/ice_sf_eth.h | 21 ++++++++ 5 files changed, 108 insertions(+) create mode 100644 drivers/net/ethernet/intel/ice/ice_sf_eth.h diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink.c b/drivers/net/ethernet/intel/ice/devlink/devlink.c index 3fb3a7e828a4..c1fe3726f6c0 100644 --- a/drivers/net/ethernet/intel/ice/devlink/devlink.c +++ b/drivers/net/ethernet/intel/ice/devlink/devlink.c @@ -10,6 +10,7 @@ #include "ice_eswitch.h" #include "ice_fw_update.h" #include "ice_dcb_lib.h" +#include "ice_sf_eth.h" /* context for devlink info version reporting */ struct ice_info_ctx { @@ -1282,6 +1283,8 @@ static const struct devlink_ops ice_devlink_ops = { .port_new = ice_devlink_port_new, }; +static const struct devlink_ops ice_sf_devlink_ops; + static int ice_devlink_enable_roce_get(struct devlink *devlink, u32 id, struct devlink_param_gset_ctx *ctx) @@ -1419,6 +1422,7 @@ static void ice_devlink_free(void *devlink_ptr) * Allocate a devlink instance for this device and return the private area as * the PF structure. The devlink memory is kept track of through devres by * adding an action to remove it when unwinding. + * */ struct ice_pf *ice_allocate_pf(struct device *dev) { @@ -1435,6 +1439,35 @@ struct ice_pf *ice_allocate_pf(struct device *dev) return devlink_priv(devlink); } +/** + * ice_allocate_sf - Allocate devlink and return SF structure pointer + * @dev: the device to allocate for + * @pf: pointer to the PF structure + * + * Allocate a devlink instance for SF. + * + * Return: void pointer to allocated memory + */ +struct ice_sf_priv *ice_allocate_sf(struct device *dev, struct ice_pf *pf) +{ + struct devlink *devlink; + int err; + + devlink = devlink_alloc_ns(&ice_sf_devlink_ops, + sizeof(struct ice_sf_priv), + devlink_net(priv_to_devlink(pf)), dev); + if (!devlink) + return NULL; + + err = devl_nested_devlink_set(priv_to_devlink(pf), devlink); + if (err) { + devlink_free(devlink); + return ERR_PTR(err); + } + + return devlink_priv(devlink); +} + /** * ice_devlink_register - Register devlink interface for this PF * @pf: the PF to register the devlink for. diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink.h b/drivers/net/ethernet/intel/ice/devlink/devlink.h index d291c0e2e17b..1af3b0763fbb 100644 --- a/drivers/net/ethernet/intel/ice/devlink/devlink.h +++ b/drivers/net/ethernet/intel/ice/devlink/devlink.h @@ -5,6 +5,7 @@ #define _ICE_DEVLINK_H_ struct ice_pf *ice_allocate_pf(struct device *dev); +struct ice_sf_priv *ice_allocate_sf(struct device *dev, struct ice_pf *pf); void ice_devlink_register(struct ice_pf *pf); void ice_devlink_unregister(struct ice_pf *pf); diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink_port.c b/drivers/net/ethernet/intel/ice/devlink/devlink_port.c index 995c11f71b3f..eb552c1b1216 100644 --- a/drivers/net/ethernet/intel/ice/devlink/devlink_port.c +++ b/drivers/net/ethernet/intel/ice/devlink/devlink_port.c @@ -432,6 +432,56 @@ void ice_devlink_destroy_vf_port(struct ice_vf *vf) devl_port_unregister(&vf->devlink_port); } +/** + * ice_devlink_create_sf_dev_port - Register virtual port for a subfunction + * @sf_dev: the subfunction device to create a devlink port for + * + * Register virtual flavour devlink port for the subfunction auxiliary device + * created after activating a dynamically added devlink port. + * + * Return: zero on success or an error code on failure. + */ +int ice_devlink_create_sf_dev_port(struct ice_sf_dev *sf_dev) +{ + struct devlink_port_attrs attrs = {}; + struct devlink_port *devlink_port; + struct ice_dynamic_port *dyn_port; + struct devlink *devlink; + struct ice_vsi *vsi; + struct device *dev; + struct ice_pf *pf; + int err; + + dyn_port = sf_dev->dyn_port; + vsi = dyn_port->vsi; + pf = dyn_port->pf; + dev = ice_pf_to_dev(pf); + + devlink_port = &sf_dev->priv->devlink_port; + + attrs.flavour = DEVLINK_PORT_FLAVOUR_VIRTUAL; + + devlink_port_attrs_set(devlink_port, &attrs); + devlink = priv_to_devlink(sf_dev->priv); + + err = devl_port_register(devlink, devlink_port, vsi->idx); + if (err) + dev_err(dev, "Failed to create virtual devlink port for auxiliary subfunction device"); + + return err; +} + +/** + * ice_devlink_destroy_sf_dev_port - Destroy virtual port for a subfunction + * @sf_dev: the subfunction device to create a devlink port for + * + * Unregisters the virtual port associated with this subfunction. + */ +void ice_devlink_destroy_sf_dev_port(struct ice_sf_dev *sf_dev) +{ + devl_port_unregister(&sf_dev->priv->devlink_port); +} + /** * ice_dealloc_dynamic_port - Deallocate and remove a dynamic port * @dyn_port: dynamic port instance to deallocate diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink_port.h b/drivers/net/ethernet/intel/ice/devlink/devlink_port.h index f20d7cc522a6..e4acd855d9f9 100644 --- a/drivers/net/ethernet/intel/ice/devlink/devlink_port.h +++ b/drivers/net/ethernet/intel/ice/devlink/devlink_port.h @@ -5,6 +5,7 @@ #define _DEVLINK_PORT_H_ #include "../ice.h" +#include "../ice_sf_eth.h" /** * struct ice_dynamic_port - Track dynamically added devlink port instance @@ -33,6 +34,8 @@ int ice_devlink_create_vf_port(struct ice_vf *vf); void ice_devlink_destroy_vf_port(struct ice_vf *vf); int ice_devlink_create_sf_port(struct ice_dynamic_port *dyn_port); void ice_devlink_destroy_sf_port(struct ice_dynamic_port *dyn_port); +int ice_devlink_create_sf_dev_port(struct ice_sf_dev *sf_dev); +void ice_devlink_destroy_sf_dev_port(struct ice_sf_dev *sf_dev); #define ice_devlink_port_to_dyn(p) \ container_of(port, struct ice_dynamic_port, devlink_port) diff --git a/drivers/net/ethernet/intel/ice/ice_sf_eth.h b/drivers/net/ethernet/intel/ice/ice_sf_eth.h new file mode 100644 index 000000000000..a08f8b2bceef --- /dev/null +++ b/drivers/net/ethernet/intel/ice/ice_sf_eth.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2024, Intel Corporation. */ + +#ifndef _ICE_SF_ETH_H_ +#define _ICE_SF_ETH_H_ + +#include +#include "ice.h" + +struct ice_sf_dev { + struct auxiliary_device adev; + struct ice_dynamic_port *dyn_port; + struct ice_sf_priv *priv; +}; + +struct ice_sf_priv { + struct ice_sf_dev *dev; + struct devlink_port devlink_port; +}; + +#endif /* _ICE_SF_ETH_H_ */