From patchwork Mon Dec 14 11:30:30 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ido Schimmel X-Patchwork-Id: 11972005 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C3711C1B0D8 for ; Mon, 14 Dec 2020 11:35:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8A9F722CB1 for ; Mon, 14 Dec 2020 11:35:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2437961AbgLNLcz (ORCPT ); Mon, 14 Dec 2020 06:32:55 -0500 Received: from out3-smtp.messagingengine.com ([66.111.4.27]:37857 "EHLO out3-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2437761AbgLNLcO (ORCPT ); Mon, 14 Dec 2020 06:32:14 -0500 Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.nyi.internal (Postfix) with ESMTP id 18B595C0159; Mon, 14 Dec 2020 06:31:06 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute3.internal (MEProxy); Mon, 14 Dec 2020 06:31:06 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm1; bh=McqYh91XgmZZ0BWv24Mn9JdxcnSB/T1DDO63oNgjnz0=; b=jBmRe3Tl HisawnKS0l6Ai90xwGrBE5sa0CgeK0nGtpX9L2QdvBioFOusujLHWfDox7nS3F7v xPpMWv2XVnZ7BA4i4w7TvIZDpVoKwSI3isJjrpvzwzjFb7j8OcuwkIRI89KAxLDU HsycgS79Kg0YOOXyfbO9ZIyJkmoG3LFYBtNiY7FCcmwbN64Htm35RSHVulhL2ck6 z92bH7zADEvRD/TRgJTUqQ9zjMDh3FJ/KE3p9MDoJ2ej4awxTpUQ78I/ZhRzIZ0m 7f/kdn6Cf1dc3MbqyOEJ+79Cen6Uz4ZLFaaunX/6Td2FkRNUaxKoOiV5YewA9UYx 8Cbbrs6Lli31uQ== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedujedrudekkedgvdelucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefhvffufffkofgjfhgggfestdekre dtredttdenucfhrhhomhepkfguohcuufgthhhimhhmvghluceoihguohhstghhsehiugho shgthhdrohhrgheqnecuggftrfgrthhtvghrnhepudetieevffffveelkeeljeffkefhke ehgfdtffethfelvdejgffghefgveejkefhnecukfhppeekgedrvddvledrudehvddrfedu necuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepihguoh hstghhsehiughoshgthhdrohhrgh X-ME-Proxy: Received: from shredder.mtl.com (igld-84-229-152-31.inter.net.il [84.229.152.31]) by mail.messagingengine.com (Postfix) with ESMTPA id DEA81108006B; Mon, 14 Dec 2020 06:31:04 -0500 (EST) From: Ido Schimmel To: netdev@vger.kernel.org Cc: davem@davemloft.net, kuba@kernel.org, jiri@nvidia.com, mlxsw@nvidia.com, Ido Schimmel Subject: [PATCH net-next v2 04/15] mlxsw: pci: Obtain info about ports used by eXtended mezanine Date: Mon, 14 Dec 2020 13:30:30 +0200 Message-Id: <20201214113041.2789043-5-idosch@idosch.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201214113041.2789043-1-idosch@idosch.org> References: <20201214113041.2789043-1-idosch@idosch.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: Jiri Pirko The output of boardinfo command was extended to contain information about XM. Indicates if is present and in case it is, tells which localports are used for the connection. So parse this info and store it in bus_info passed up to the driver. Signed-off-by: Jiri Pirko Signed-off-by: Ido Schimmel --- drivers/net/ethernet/mellanox/mlxsw/cmd.h | 17 ++++++++++++++ drivers/net/ethernet/mellanox/mlxsw/core.h | 7 +++++- drivers/net/ethernet/mellanox/mlxsw/pci.c | 27 +++++++++++++++++++++- 3 files changed, 49 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlxsw/cmd.h b/drivers/net/ethernet/mellanox/mlxsw/cmd.h index 5ffdfb532cb7..4de15c56542f 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/cmd.h +++ b/drivers/net/ethernet/mellanox/mlxsw/cmd.h @@ -343,6 +343,23 @@ static inline int mlxsw_cmd_boardinfo(struct mlxsw_core *mlxsw_core, 0, 0, false, out_mbox, MLXSW_CMD_MBOX_SIZE); } +/* cmd_mbox_xm_num_local_ports + * Number of local_ports connected to the xm. + * Each local port is a 4x + * Spectrum-2/3: 25G + * Spectrum-4: 50G + */ +MLXSW_ITEM32(cmd_mbox, boardinfo, xm_num_local_ports, 0x00, 4, 3); + +/* cmd_mbox_xm_exists + * An XM (eXtanded Mezanine, e.g. used for the XLT) is connected on the board. + */ +MLXSW_ITEM32(cmd_mbox, boardinfo, xm_exists, 0x00, 0, 1); + +/* cmd_mbox_xm_local_port_entry + */ +MLXSW_ITEM_BIT_ARRAY(cmd_mbox, boardinfo, xm_local_port_entry, 0x04, 4, 8); + /* cmd_mbox_boardinfo_intapin * When PCIe interrupt messages are being used, this value is used for clearing * an interrupt. When using MSI-X, this register is not used. diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.h b/drivers/net/ethernet/mellanox/mlxsw/core.h index 92f7398287be..ec424d388ecc 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.h +++ b/drivers/net/ethernet/mellanox/mlxsw/core.h @@ -435,6 +435,8 @@ struct mlxsw_fw_rev { u16 can_reset_minor; }; +#define MLXSW_BUS_INFO_XM_LOCAL_PORTS_MAX 4 + struct mlxsw_bus_info { const char *device_kind; const char *device_name; @@ -443,7 +445,10 @@ struct mlxsw_bus_info { u8 vsd[MLXSW_CMD_BOARDINFO_VSD_LEN]; u8 psid[MLXSW_CMD_BOARDINFO_PSID_LEN]; u8 low_frequency:1, - read_frc_capable:1; + read_frc_capable:1, + xm_exists:1; + u8 xm_local_ports_count; + u8 xm_local_ports[MLXSW_BUS_INFO_XM_LOCAL_PORTS_MAX]; }; struct mlxsw_hwmon; diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci.c b/drivers/net/ethernet/mellanox/mlxsw/pci.c index 641cdd81882b..aae472f0e62f 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/pci.c +++ b/drivers/net/ethernet/mellanox/mlxsw/pci.c @@ -1209,6 +1209,30 @@ static int mlxsw_pci_config_profile(struct mlxsw_pci *mlxsw_pci, char *mbox, return mlxsw_cmd_config_profile_set(mlxsw_pci->core, mbox); } +static int mlxsw_pci_boardinfo_xm_process(struct mlxsw_pci *mlxsw_pci, + struct mlxsw_bus_info *bus_info, + char *mbox) +{ + int count = mlxsw_cmd_mbox_boardinfo_xm_num_local_ports_get(mbox); + int i; + + if (!mlxsw_cmd_mbox_boardinfo_xm_exists_get(mbox)) + return 0; + + bus_info->xm_exists = true; + + if (count > MLXSW_BUS_INFO_XM_LOCAL_PORTS_MAX) { + dev_err(&mlxsw_pci->pdev->dev, "Invalid number of XM local ports\n"); + return -EINVAL; + } + bus_info->xm_local_ports_count = count; + for (i = 0; i < count; i++) + bus_info->xm_local_ports[i] = + mlxsw_cmd_mbox_boardinfo_xm_local_port_entry_get(mbox, + i); + return 0; +} + static int mlxsw_pci_boardinfo(struct mlxsw_pci *mlxsw_pci, char *mbox) { struct mlxsw_bus_info *bus_info = &mlxsw_pci->bus_info; @@ -1220,7 +1244,8 @@ static int mlxsw_pci_boardinfo(struct mlxsw_pci *mlxsw_pci, char *mbox) return err; mlxsw_cmd_mbox_boardinfo_vsd_memcpy_from(mbox, bus_info->vsd); mlxsw_cmd_mbox_boardinfo_psid_memcpy_from(mbox, bus_info->psid); - return 0; + + return mlxsw_pci_boardinfo_xm_process(mlxsw_pci, bus_info, mbox); } static int mlxsw_pci_fw_area_init(struct mlxsw_pci *mlxsw_pci, char *mbox,