From patchwork Thu Sep 10 16:11:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oded Gabbay X-Patchwork-Id: 261127 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 5EAB6C43461 for ; Thu, 10 Sep 2020 19:04:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 08B1820758 for ; Thu, 10 Sep 2020 19:04:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="rMuYKT/n" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726805AbgIJTEv (ORCPT ); Thu, 10 Sep 2020 15:04:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43758 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725983AbgIJQLv (ORCPT ); Thu, 10 Sep 2020 12:11:51 -0400 Received: from mail-ej1-x644.google.com (mail-ej1-x644.google.com [IPv6:2a00:1450:4864:20::644]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1959FC061796; Thu, 10 Sep 2020 09:11:51 -0700 (PDT) Received: by mail-ej1-x644.google.com with SMTP id q13so9520280ejo.9; Thu, 10 Sep 2020 09:11:51 -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=HqUXASV8/J3adrJxXgdebB7pk8ZpozkrNnLZPnpPNz4=; b=rMuYKT/nO+bCs0/PjntzsIL3yMzZX12bky9TbQC+p43luWertUNdPLHCmcEs5/s7lp aMpTMrWua4TtNULcw07fDXqnBINgH1XrvxHJIWztJiFx9CIAoONLTv76jjyb+KOeLXL4 3qmjjJrxKDsUmixe4O0e3mLWt4BvDxNO1+n8YOYjPOKMM0yfFlv4kSV1DlHu3Z0QPt7G Sxrsc/6AClS5S8cVFamdUGYaYYcHJHUvI6NA0fp98W23kR+wAlUGCJVjXUX2jHRNMIGQ TLbSysOhH3k1zkQVt0nz4NR3HuPfLYLXBInwj2Z1XkO9opu57YWwgd5Y6odJPo4mqKpI qwhw== 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=HqUXASV8/J3adrJxXgdebB7pk8ZpozkrNnLZPnpPNz4=; b=S30Y7hc+qClbrgkk1YPhBWzYQo9Q27AYjcpcQMTquqF4s4If7L5Q2Nh0Ew19OV4bXj 6TyOXdq3jSJuYAOzfzmDt+MzHKvStGJlLUJ2yvGnSHPuh4GBMdO9gem7Y5UQgaA+YmdU 0wFxGbBNsDODTI8/pMkW2Bu8GwAv6PV3j8tfbq9Md+GGagbAF3zDtKQnhpHVf8nwxYFF 6IgGFGRXGWjf2JAhMy7D/WNQLAEoIOiwJm8kJHfsRBu3qcpvGiwhThdWej2OQkmCyhFH Pxv5XDbQ+35W96+AK5Ijmukb+/7xrOEITMh/O3PWFi78/hcAfSmY9GHrCJcjok6TnaNS qRBg== X-Gm-Message-State: AOAM532ldCcj00tjlj9jZT+ZY+cOb1dK7cgdDjKLo9aDG+fhEX27oO54 0fTQWKV0VIlXb/bD1VNJ1tSP8XSE/aw= X-Google-Smtp-Source: ABdhPJwGOMYluoHBIFuyJ+aF+8vL+XdnHF/jHh1znvtHTiq4P26wtwfyKLhzusCwoGLiDFzFFEzN4Q== X-Received: by 2002:a17:906:8c8:: with SMTP id o8mr9460993eje.91.1599754308990; Thu, 10 Sep 2020 09:11:48 -0700 (PDT) Received: from ogabbay-VM.habana-labs.com ([213.57.90.10]) by smtp.gmail.com with ESMTPSA id k8sm7282911ejz.60.2020.09.10.09.11.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Sep 2020 09:11:47 -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, Omer Shpigelman Subject: [PATCH 02/15] habanalabs/gaudi: add NIC firmware-related definitions Date: Thu, 10 Sep 2020 19:11:13 +0300 Message-Id: <20200910161126.30948-3-oded.gabbay@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200910161126.30948-1-oded.gabbay@gmail.com> References: <20200910161126.30948-1-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 dcde440427b4..ace746bb206e 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 @@ -238,12 +244,12 @@ 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 */ }; @@ -288,7 +294,7 @@ 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; }; @@ -367,6 +373,12 @@ 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; @@ -415,4 +427,18 @@ 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 */