From patchwork Sat Sep 12 14:40:54 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oded Gabbay X-Patchwork-Id: 260992 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=-12.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 57DDBC10DAA for ; Sat, 12 Sep 2020 14:58:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1503420855 for ; Sat, 12 Sep 2020 14:58:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="pf/nBkYL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725878AbgILO57 (ORCPT ); Sat, 12 Sep 2020 10:57:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51110 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725884AbgILOlU (ORCPT ); Sat, 12 Sep 2020 10:41:20 -0400 Received: from mail-ed1-x541.google.com (mail-ed1-x541.google.com [IPv6:2a00:1450:4864:20::541]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 93246C061573; Sat, 12 Sep 2020 07:41:19 -0700 (PDT) Received: by mail-ed1-x541.google.com with SMTP id t16so13351478edw.7; Sat, 12 Sep 2020 07:41:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=95AmpbnHs6EBKsNRujy6IyyFyDbmIcgHwJWElIu3//8=; b=pf/nBkYLsuQQfeQKOUR4S1qc8v7siyW3KGvz273t1sm2wtdm7qjwB80HyC9nj3BrVP elxx2cT9jA+4uZU4rzE+Dn/ovl/VOt7S5+qDyslvSPAbZGdCv94CJrtCCMapD99/5w00 JsKqpvp8gavAkEGb7UXh+1IPdfrmIlxRV2G7tWECkXGrtH7t4xfp0deAB07WOwfoYocn s7eunbSJ9KCHnSazJYfgHGteWX53b/GEz14jqYIOpUjpR/jQI1r10Uls4cV2ZChUf2fI hWIq88lR6O2bhDOHzMKkc/Qm4Gvo1m8+UEv3eymtKH5jZg4jrxHABXHyr7/dX1TmeqlD bbtA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=95AmpbnHs6EBKsNRujy6IyyFyDbmIcgHwJWElIu3//8=; b=Q74zKQKOIf05hlIysu66QhSpyhgC9wrfM/zlRGDnmofX+7fT31fIdzZPUH+hHI/YQ+ eIU9DvcgkmKjFb9Q2ZwjPS4FKsKElNDKF3KGmnYFAEQXjHOVOZl8rDKhW7ZThxzMWWiY cQqKcIJuIJFctsQRkz0NVSXgTdYzuJzIJpEOm0vnyRmRwdZ/ssTxS7W5pE4GdPcYDBpt VOX+SW4d3Z0gTtyhQj6QIEzUBbsAFZ0C5Xym6qfEGDRrXy4ePjjFhEi0yglQP+Tw5Q+w MEXeUmLvtegEPwFsDGe0ZtSF5CbMmrETJy7gY6ikuWTBqvOTZP6XAqJuMGJB1OX/eHL0 85aQ== X-Gm-Message-State: AOAM532ca78C+T3lB+hKZ/00Wxj/kfevfZ4vbnKI+26h0hun1CLnVzzB cgyG0nzo2K6wWXaOs2E5Q2U3iT2avJg= X-Google-Smtp-Source: ABdhPJxRFHFjy41tAy0Znw/qCTyohb7C8KVCrPFjsF0oWs/4uBb9u6YJQNmAGzqCdf7c293Gcbj9eA== X-Received: by 2002:a05:6402:2c7:: with SMTP id b7mr8875997edx.125.1599921677573; Sat, 12 Sep 2020 07:41:17 -0700 (PDT) Received: from ogabbay-VM.habana-labs.com ([213.57.90.10]) by smtp.gmail.com with ESMTPSA id y25sm4842938edv.15.2020.09.12.07.41.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 12 Sep 2020 07:41:16 -0700 (PDT) From: Oded Gabbay To: linux-kernel@vger.kernel.org, netdev@vger.kernel.org Cc: SW_Drivers@habana.ai, gregkh@linuxfoundation.org, davem@davemloft.net, kuba@kernel.org, andrew@lunn.ch, f.fainelli@gmail.com, Omer Shpigelman Subject: [PATCH v2 02/14] habanalabs/gaudi: add NIC firmware-related definitions Date: Sat, 12 Sep 2020 17:40:54 +0300 Message-Id: <20200912144106.11799-3-oded.gabbay@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200912144106.11799-1-oded.gabbay@gmail.com> References: <20200912144106.11799-1-oded.gabbay@gmail.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Omer Shpigelman Add new structures and messages that the driver use to interact with the firmware to receive information and events (errors) about GAUDI's NIC. Signed-off-by: Omer Shpigelman Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay --- .../misc/habanalabs/include/common/cpucp_if.h | 34 ++++++++++++++++--- .../habanalabs/include/gaudi/gaudi_fw_if.h | 24 +++++++++++++ 2 files changed, 54 insertions(+), 4 deletions(-) diff --git a/drivers/misc/habanalabs/include/common/cpucp_if.h b/drivers/misc/habanalabs/include/common/cpucp_if.h index 2a5c9cb3d505..782b8b8636be 100644 --- a/drivers/misc/habanalabs/include/common/cpucp_if.h +++ b/drivers/misc/habanalabs/include/common/cpucp_if.h @@ -9,6 +9,7 @@ #define CPUCP_IF_H #include +#include /* * EVENT QUEUE @@ -199,6 +200,11 @@ enum pq_init_status { * CpuCP to write to the structure, to prevent data corruption in case of * mismatched driver/FW versions. * + * CPUCP_PACKET_NIC_INFO_GET - + * Fetch information from the device regarding the NIC. the host's driver + * passes the max size it allows the CpuCP to write to the structure, to + * prevent data corruption in case of mismatched driver/FW versions. + * * CPUCP_PACKET_TEMPERATURE_SET - * Set the value of the offset property of a specified thermal sensor. * The packet's arguments specify the desired sensor and the field to @@ -244,12 +250,12 @@ enum cpucp_packet_id { CPUCP_PACKET_MAX_POWER_GET, /* sysfs */ CPUCP_PACKET_MAX_POWER_SET, /* sysfs */ CPUCP_PACKET_EEPROM_DATA_GET, /* sysfs */ - CPUCP_RESERVED, + CPUCP_PACKET_NIC_INFO_GET, /* internal */ CPUCP_PACKET_TEMPERATURE_SET, /* sysfs */ CPUCP_PACKET_VOLTAGE_SET, /* sysfs */ CPUCP_PACKET_CURRENT_SET, /* sysfs */ - CPUCP_PACKET_PCIE_THROUGHPUT_GET, /* internal */ - CPUCP_PACKET_PCIE_REPLAY_CNT_GET, /* internal */ + CPUCP_PACKET_PCIE_THROUGHPUT_GET, /* internal */ + CPUCP_PACKET_PCIE_REPLAY_CNT_GET, /* internal */ CPUCP_PACKET_TOTAL_ENERGY_GET, /* internal */ CPUCP_PACKET_PLL_REG_GET, /* internal */ }; @@ -300,7 +306,7 @@ struct cpucp_packet { /* For led set */ __le32 led_index; - /* For get CpuCP info/EEPROM data */ + /* For get CpuCP info/EEPROM data/NIC info */ __le32 data_max_size; }; @@ -392,6 +398,12 @@ struct eq_generic_event { #define CARD_NAME_MAX_LEN 16 #define VERSION_MAX_LEN 128 #define CPUCP_MAX_SENSORS 128 +#define CPUCP_MAX_NICS 128 +#define CPUCP_LANES_PER_NIC 4 +#define CPUCP_NIC_QSFP_EEPROM_MAX_LEN 1024 +#define CPUCP_MAX_NIC_LANES (CPUCP_MAX_NICS * CPUCP_LANES_PER_NIC) +#define CPUCP_NIC_MASK_ARR_LEN ((CPUCP_MAX_NICS + 63) / 64) +#define CPUCP_NIC_POLARITY_ARR_LEN ((CPUCP_MAX_NIC_LANES + 63) / 64) struct cpucp_sensor { __le32 type; @@ -440,4 +452,18 @@ struct cpucp_info { char card_name[CARD_NAME_MAX_LEN]; }; +struct cpucp_mac_addr { + __u8 mac_addr[ETH_ALEN]; +}; + +struct cpucp_nic_info { + struct cpucp_mac_addr mac_addrs[CPUCP_MAX_NICS]; + __le64 link_mask[CPUCP_NIC_MASK_ARR_LEN]; + __le64 pol_tx_mask[CPUCP_NIC_POLARITY_ARR_LEN]; + __le64 pol_rx_mask[CPUCP_NIC_POLARITY_ARR_LEN]; + __le64 link_ext_mask[CPUCP_NIC_MASK_ARR_LEN]; + __u8 qsfp_eeprom[CPUCP_NIC_QSFP_EEPROM_MAX_LEN]; + __le64 auto_neg_mask[CPUCP_NIC_MASK_ARR_LEN]; +}; + #endif /* CPUCP_IF_H */ diff --git a/drivers/misc/habanalabs/include/gaudi/gaudi_fw_if.h b/drivers/misc/habanalabs/include/gaudi/gaudi_fw_if.h index 8aadc6357da1..d61a4c87b765 100644 --- a/drivers/misc/habanalabs/include/gaudi/gaudi_fw_if.h +++ b/drivers/misc/habanalabs/include/gaudi/gaudi_fw_if.h @@ -8,6 +8,8 @@ #ifndef GAUDI_FW_IF_H #define GAUDI_FW_IF_H +#include + #define GAUDI_EVENT_QUEUE_MSI_IDX 8 #define GAUDI_NIC_PORT1_MSI_IDX 10 #define GAUDI_NIC_PORT3_MSI_IDX 12 @@ -31,6 +33,28 @@ enum gaudi_pll_index { IF_PLL }; +enum gaudi_nic_axi_error { + RXB, + RXE, + TXS, + TXE, + QPC_RESP, + NON_AXI_ERR, +}; + +/* + * struct eq_nic_sei_event - describes an AXI error cause. + * @axi_error_cause: one of the events defined in enum gaudi_nic_axi_error. + * @id: can be either 0 or 1, to further describe unit with interrupt cause + * (i.e. TXE0 or TXE1). + * @pad[6]: padding structure to 64bit. + */ +struct eq_nic_sei_event { + __u8 axi_error_cause; + __u8 id; + __u8 pad[6]; +}; + #define GAUDI_PLL_FREQ_LOW 200000000 /* 200 MHz */ #endif /* GAUDI_FW_IF_H */