From patchwork Wed Jul 27 06:37:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vikas Gupta X-Patchwork-Id: 12930139 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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B1001C19F29 for ; Wed, 27 Jul 2022 06:38:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229954AbiG0GiK (ORCPT ); Wed, 27 Jul 2022 02:38:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48468 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229504AbiG0Ghx (ORCPT ); Wed, 27 Jul 2022 02:37:53 -0400 Received: from mail-pj1-x1033.google.com (mail-pj1-x1033.google.com [IPv6:2607:f8b0:4864:20::1033]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 186BD41984 for ; Tue, 26 Jul 2022 23:37:52 -0700 (PDT) Received: by mail-pj1-x1033.google.com with SMTP id t2-20020a17090a4e4200b001f21572f3a4so1244054pjl.0 for ; Tue, 26 Jul 2022 23:37:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=Lbb0mPyEfCOY8IJfdKj65q3mUHGfmWvST53vV/mIqEw=; b=E/lqiQbZnqoVNyUsO2JRXgX5zlz6/04dtpcRoJuDImvDWzXiun6gBCkZEywEpA6yfz uA/JWfVhQ58TvG+yO8RZsq18BGS+PhChEY8iH9tfMMxZbwKpkBM2pEDmy3BRCyE6jpQ0 MSCMbZs+VfPm6aceFKiMuhEH2kF00H5Ve5ip8= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=Lbb0mPyEfCOY8IJfdKj65q3mUHGfmWvST53vV/mIqEw=; b=ag3Lfi2sYgbr6cMtm1W31h3URZXU+lQd1YXijDiu7szrfGV62ypqbXM4zvsvUv93yg tRRHYlNUbXlp5fuV6VCTJbtZ0Xw+afnPsbKZFSUnR+T8QGbNq5uGJWBM8HD+miY5WXA0 fVmZ6XbDO+GFL1l/+Ln6SL0QPnhIEXuNR1kulMtNAtCQYRugcc0HOU4u6Yq+HVAs0kAX POOV3XBYSbVu3ultOW3cPKPmNg25i9Q/XgGT8lRwg2osOVu2SzpBg8HBYwa0yEBpgCef PdRephRtwz1vwwoePCb3jbcsH9aHfsu38YjD7XSfj4XR35DrXI053LS7bScaFPkvLZCv kq3g== X-Gm-Message-State: AJIora8ylmsMk1IRXM3FeP63b85O/aOQxaiMYs4KgrQK7nMJ/s09QIMZ x+JYFikW/m0eX9hfWLt+1+hJGA== X-Google-Smtp-Source: AGRyM1t3OauboateELwAL34LSctNAPuAAtPnbuj7rCapIp9NxQDJkz67IO3ZaEscEyFx7sgkZCGKsQ== X-Received: by 2002:a17:90a:4402:b0:1f2:3507:5f96 with SMTP id s2-20020a17090a440200b001f235075f96mr2856633pjg.22.1658903871311; Tue, 26 Jul 2022 23:37:51 -0700 (PDT) Received: from rahul_yocto_ubuntu18.ibn.broadcom.net ([192.19.234.250]) by smtp.gmail.com with ESMTPSA id q68-20020a634347000000b0041b36d47940sm1643582pga.23.2022.07.26.23.37.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Jul 2022 23:37:47 -0700 (PDT) From: Vikas Gupta To: jiri@nvidia.com, kuba@kernel.org Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, davem@davemloft.net, dsahern@kernel.org, stephen@networkplumber.org, edumazet@google.com, pabeni@redhat.com, ast@kernel.org, leon@kernel.org, linux-doc@vger.kernel.org, corbet@lwn.net, michael.chan@broadcom.com, andrew.gospodarek@broadcom.com, vikas Subject: [PATCH net-next v7 2/2] bnxt_en: implement callbacks for devlink selftests Date: Wed, 27 Jul 2022 12:07:19 +0530 Message-Id: <20220727063719.35125-3-vikas.gupta@broadcom.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220727063719.35125-1-vikas.gupta@broadcom.com> References: <20220727063719.35125-1-vikas.gupta@broadcom.com> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: vikas Add callbacks ============= .selftest_check: returns true for flash selftest. .selftest_run: runs a flash selftest. Also, refactor NVM APIs so that they can be used with devlink and ethtool both. Signed-off-by: vikas Reviewed-by: Michael Chan Reviewed-by: Andy Gospodarek Signed-off-by: Vikas Gupta --- .../net/ethernet/broadcom/bnxt/bnxt_devlink.c | 61 +++++++++++++++++++ .../net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 24 ++++---- .../net/ethernet/broadcom/bnxt/bnxt_ethtool.h | 12 ++++ 3 files changed, 85 insertions(+), 12 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c index 6b3d4f4c2a75..ec22b8da9f6f 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c @@ -20,6 +20,8 @@ #include "bnxt_ulp.h" #include "bnxt_ptp.h" #include "bnxt_coredump.h" +#include "bnxt_nvm_defs.h" +#include "bnxt_ethtool.h" static void __bnxt_fw_recover(struct bnxt *bp) { @@ -610,6 +612,63 @@ static int bnxt_dl_reload_up(struct devlink *dl, enum devlink_reload_action acti return rc; } +static bool bnxt_nvm_test(struct bnxt *bp, struct netlink_ext_ack *extack) +{ + u32 datalen; + u16 index; + u8 *buf; + + if (bnxt_find_nvram_item(bp->dev, BNX_DIR_TYPE_VPD, + BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE, + &index, NULL, &datalen) || !datalen) { + NL_SET_ERR_MSG_MOD(extack, "nvm test vpd entry error"); + return false; + } + + buf = kzalloc(datalen, GFP_KERNEL); + if (!buf) { + NL_SET_ERR_MSG_MOD(extack, "insufficient memory for nvm test"); + return false; + } + + if (bnxt_get_nvram_item(bp->dev, index, 0, datalen, buf)) { + NL_SET_ERR_MSG_MOD(extack, "nvm test vpd read error"); + goto err; + } + + if (bnxt_flash_nvram(bp->dev, BNX_DIR_TYPE_VPD, BNX_DIR_ORDINAL_FIRST, + BNX_DIR_EXT_NONE, 0, 0, buf, datalen)) { + NL_SET_ERR_MSG_MOD(extack, "nvm test vpd write error"); + goto err; + } + + return true; + +err: + kfree(buf); + return false; +} + +static bool bnxt_dl_selftest_check(struct devlink *dl, unsigned int test_id, + struct netlink_ext_ack *extack) +{ + return test_id == DEVLINK_ATTR_SELFTEST_ID_FLASH; +} + +static enum devlink_selftest_status bnxt_dl_selftest_run(struct devlink *dl, + unsigned int test_id, + struct netlink_ext_ack *extack) +{ + struct bnxt *bp = bnxt_get_bp_from_dl(dl); + + if (test_id == DEVLINK_ATTR_SELFTEST_ID_FLASH) + return bnxt_nvm_test(bp, extack) ? + DEVLINK_SELFTEST_STATUS_PASS : + DEVLINK_SELFTEST_STATUS_FAIL; + + return DEVLINK_SELFTEST_STATUS_SKIP; +} + static const struct devlink_ops bnxt_dl_ops = { #ifdef CONFIG_BNXT_SRIOV .eswitch_mode_set = bnxt_dl_eswitch_mode_set, @@ -622,6 +681,8 @@ static const struct devlink_ops bnxt_dl_ops = { .reload_limits = BIT(DEVLINK_RELOAD_LIMIT_NO_RESET), .reload_down = bnxt_dl_reload_down, .reload_up = bnxt_dl_reload_up, + .selftest_check = bnxt_dl_selftest_check, + .selftest_run = bnxt_dl_selftest_run, }; static const struct devlink_ops bnxt_vf_dl_ops; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index 7191e5d74208..87eb5362ad70 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -2176,14 +2176,14 @@ static void bnxt_print_admin_err(struct bnxt *bp) netdev_info(bp->dev, "PF does not have admin privileges to flash or reset the device\n"); } -static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal, - u16 ext, u16 *index, u32 *item_length, - u32 *data_length); +int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal, + u16 ext, u16 *index, u32 *item_length, + u32 *data_length); -static int bnxt_flash_nvram(struct net_device *dev, u16 dir_type, - u16 dir_ordinal, u16 dir_ext, u16 dir_attr, - u32 dir_item_len, const u8 *data, - size_t data_len) +int bnxt_flash_nvram(struct net_device *dev, u16 dir_type, + u16 dir_ordinal, u16 dir_ext, u16 dir_attr, + u32 dir_item_len, const u8 *data, + size_t data_len) { struct bnxt *bp = netdev_priv(dev); struct hwrm_nvm_write_input *req; @@ -2836,8 +2836,8 @@ static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data) return rc; } -static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset, - u32 length, u8 *data) +int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset, + u32 length, u8 *data) { struct bnxt *bp = netdev_priv(dev); int rc; @@ -2871,9 +2871,9 @@ static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset, return rc; } -static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal, - u16 ext, u16 *index, u32 *item_length, - u32 *data_length) +int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal, + u16 ext, u16 *index, u32 *item_length, + u32 *data_length) { struct hwrm_nvm_find_dir_entry_output *output; struct hwrm_nvm_find_dir_entry_input *req; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h index a59284215e78..a8ecef8ab82c 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h @@ -58,5 +58,17 @@ int bnxt_flash_package_from_fw_obj(struct net_device *dev, const struct firmware int bnxt_get_pkginfo(struct net_device *dev, char *ver, int size); void bnxt_ethtool_init(struct bnxt *bp); void bnxt_ethtool_free(struct bnxt *bp); +int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal, + u16 ext, u16 *index, u32 *item_length, + u32 *data_length); +int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal, + u16 ext, u16 *index, u32 *item_length, + u32 *data_length); +int bnxt_flash_nvram(struct net_device *dev, u16 dir_type, + u16 dir_ordinal, u16 dir_ext, u16 dir_attr, + u32 dir_item_len, const u8 *data, + size_t data_len); +int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset, + u32 length, u8 *data); #endif