From patchwork Tue Jul 21 02:38:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: rakeshs.lkm@gmail.com X-Patchwork-Id: 1332728 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=pYwnr4q1; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4B9jY7063xz9sR4 for ; Tue, 21 Jul 2020 12:42:03 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728387AbgGUCmC (ORCPT ); Mon, 20 Jul 2020 22:42:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56220 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725862AbgGUCmB (ORCPT ); Mon, 20 Jul 2020 22:42:01 -0400 Received: from mail-pl1-x641.google.com (mail-pl1-x641.google.com [IPv6:2607:f8b0:4864:20::641]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 65095C061794 for ; Mon, 20 Jul 2020 19:42:01 -0700 (PDT) Received: by mail-pl1-x641.google.com with SMTP id w17so9579052ply.11 for ; Mon, 20 Jul 2020 19:42:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:in-reply-to:references; bh=JTL/7giMEL6EWId4qJAvNmPtljonoJ6k9AkEo7BNMjY=; b=pYwnr4q1YaIXYrjcs4liqlYEOGLVJhaUyViBwb4Odh8xncNbQSX8ivWPBc4q2g9nbX XmzfSkrMiUkbHJUaLlVmIm/v7i4Cooyv6wlUZTLSoNi4B5whJy24FDTtwhlxTw0kYbno 6h7/vZ1LM3zBXSEZvQOxqepD1HQ+ISC//DKGLssOmgrLnsbCtL8uSu9x8ECMlu2GqhkI NeG8XtYQzfli8wIiHyozo2spzF7QXTbW5IlRMq/K0ISVooD4NJk3VxtP3bp0Fkidid3l uMkzU0eQ0dl/p3IcAhQBEcakm4ABR+tmQedNnDkTGKZUShm13s2fkTvVZjW/ZySDRxkj QASQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references; bh=JTL/7giMEL6EWId4qJAvNmPtljonoJ6k9AkEo7BNMjY=; b=U2bP5a6l+Wqlyq74YLSjnsc0wkH8WkcAF68xcehX1jSqz01dXqy6JH2xzzMZtttoFv c+/g4qKUsjkZcBtfH7QdSRC7JA1Xb0a8tqhQmlOLsGPsMHYvrxZutN3ZYayGbDmwqJfR rO7W3GpN0bQCdakDysRUwmqaTUWz5D/c+hTaZDyU40OQT5TOi+2YwGwZOh+1yerewHRN 9rRzfuz0G9e1hFAduP+wt31BzH/0VC39bOrRf73qDlrzJrLz+CVpWsYSSfPdvSplh8KL mfTvdom9DSN3LhDl0mAuHHSah8lSFQK2YxX8PStc41HAQLfcLXSms0GM+nGzBFbs/KVD DKtQ== X-Gm-Message-State: AOAM531cS7Cz2pWQx/p468UUOTlwEbsB/yq7qDYnbF2OiSiiJz9Z97I2 xKIifPHVqzgVj35ybxqSwE4SguGfi3E= X-Google-Smtp-Source: ABdhPJw2pA82RaGJYEHPo198pp0eh0HXaf61UExEtcBQ6moEGcVqKXD8aR45lMd842WiJwc/VLrpYA== X-Received: by 2002:a17:90a:d48a:: with SMTP id s10mr2206723pju.116.1595299320975; Mon, 20 Jul 2020 19:42:00 -0700 (PDT) Received: from hyd1soter3.caveonetworks.com ([115.113.156.2]) by smtp.googlemail.com with ESMTPSA id i21sm18499114pfa.18.2020.07.20.19.41.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Jul 2020 19:42:00 -0700 (PDT) From: rakeshs.lkm@gmail.com To: sbhatta@marvell.com, sgoutham@marvell.com, jerinj@marvell.com, rsaladi2@marvell.com, davem@davemloft.net, kuba@kernel.org, netdev@vger.kernel.org Subject: [PATCH v2 2/2] octeontx2-af: add nix error af interrupt handlers Date: Tue, 21 Jul 2020 08:08:47 +0530 Message-Id: <20200721023847.2567-3-rakeshs.lkm@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200721023847.2567-1-rakeshs.lkm@gmail.com> References: <20200721023847.2567-1-rakeshs.lkm@gmail.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Jerin Jacob Added debug messages for NIX_AF_RVU_INT, NIX_AF_ERR_INT and NIX_AF_RAS error AF interrupts. Signed-off-by: Jerin Jacob Signed-off-by: Sunil Kovvuri Goutham Signed-off-by: Rakesh Babu Signed-off-by: Subbaraya Sundeep --- .../net/ethernet/marvell/octeontx2/af/rvu.c | 5 + .../net/ethernet/marvell/octeontx2/af/rvu.h | 2 + .../ethernet/marvell/octeontx2/af/rvu_nix.c | 148 ++++++++++++++++++ .../marvell/octeontx2/af/rvu_struct.h | 10 ++ 4 files changed, 165 insertions(+) -- 2.17.1 diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c index 6c4027f04cfc..9a36ce5fc57a 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c @@ -2131,6 +2131,7 @@ static void rvu_unregister_interrupts(struct rvu *rvu) int irq; rvu_npa_unregister_interrupts(rvu); + rvu_nix_unregister_interrupts(rvu); /* Disable the Mbox interrupt */ rvu_write64(rvu, BLKADDR_RVUM, RVU_AF_PFAF_MBOX_INT_ENA_W1C, @@ -2344,6 +2345,10 @@ static int rvu_register_interrupts(struct rvu *rvu) if (ret) goto fail; + ret = rvu_nix_register_interrupts(rvu); + if (ret) + goto fail; + return 0; fail: diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h index 63c9f6049ad5..44d25a8f598d 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h @@ -465,6 +465,8 @@ void rvu_nix_freemem(struct rvu *rvu); int rvu_get_nixlf_count(struct rvu *rvu); void rvu_nix_lf_teardown(struct rvu *rvu, u16 pcifunc, int blkaddr, int npalf); int nix_get_nixlf(struct rvu *rvu, u16 pcifunc, int *nixlf, int *nix_blkaddr); +int rvu_nix_register_interrupts(struct rvu *rvu); +void rvu_nix_unregister_interrupts(struct rvu *rvu); /* NPC APIs */ int rvu_npc_init(struct rvu *rvu); diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c index 36953d4f51c7..eba8dd730877 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c @@ -3369,3 +3369,151 @@ int rvu_mbox_handler_nix_lso_format_cfg(struct rvu *rvu, return 0; } + +static irqreturn_t rvu_nix_af_rvu_intr_handler(int irq, void *rvu_irq) +{ + struct rvu *rvu = rvu_irq; + int blkaddr; + u64 intr; + + blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NIX, 0); + if (blkaddr < 0) + return IRQ_NONE; + + intr = rvu_read64(rvu, blkaddr, NIX_AF_RVU_INT); + dev_err(rvu->dev, "NIX: RVU Interrupt : 0x%llx\n", intr); + + /* Clear interrupts */ + rvu_write64(rvu, blkaddr, NIX_AF_RVU_INT, intr); + return IRQ_HANDLED; +} + +static irqreturn_t rvu_nix_af_err_intr_handler(int irq, void *rvu_irq) +{ + struct rvu *rvu = rvu_irq; + int blkaddr; + u64 intr; + + blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NIX, 0); + if (blkaddr < 0) + return IRQ_NONE; + + intr = rvu_read64(rvu, blkaddr, NIX_AF_ERR_INT); + dev_err(rvu->dev, "NIX: Error Interrupt : 0x%llx\n", intr); + + /* Clear interrupts */ + rvu_write64(rvu, blkaddr, NIX_AF_ERR_INT, intr); + return IRQ_HANDLED; +} + +static irqreturn_t rvu_nix_af_ras_intr_handler(int irq, void *rvu_irq) +{ + struct rvu *rvu = rvu_irq; + int blkaddr; + u64 intr; + + blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NIX, 0); + if (blkaddr < 0) + return IRQ_NONE; + + intr = rvu_read64(rvu, blkaddr, NIX_AF_RAS); + dev_err(rvu->dev, "NIX: RAS Interrupt : 0x%llx\n", intr); + + /* Clear interrupts */ + rvu_write64(rvu, blkaddr, NIX_AF_RAS, intr); + return IRQ_HANDLED; +} + +static bool rvu_nix_af_request_irq(struct rvu *rvu, int blkaddr, int offset, + const char *name, irq_handler_t fn) +{ + int rc; + + WARN_ON(rvu->irq_allocated[offset]); + rvu->irq_allocated[offset] = false; + sprintf(&rvu->irq_name[offset * NAME_SIZE], name); + rc = request_irq(pci_irq_vector(rvu->pdev, offset), fn, 0, + &rvu->irq_name[offset * NAME_SIZE], rvu); + if (rc) + dev_warn(rvu->dev, "Failed to register %s irq\n", name); + else + rvu->irq_allocated[offset] = true; + + return rvu->irq_allocated[offset]; +} + +int rvu_nix_register_interrupts(struct rvu *rvu) +{ + int blkaddr, base; + bool rc; + + blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NIX, 0); + if (blkaddr < 0) + return blkaddr; + + /* Get NIX AF MSIX vectors offset. */ + base = rvu_read64(rvu, blkaddr, NIX_PRIV_AF_INT_CFG) & 0x3ff; + if (!base) { + dev_warn(rvu->dev, + "Failed to get NIX_AF_INT vector offsets\n"); + return 0; + } + + /* Register and enable NIX_AF_RVU_INT interrupt */ + rc = rvu_nix_af_request_irq(rvu, blkaddr, base + NIX_AF_INT_VEC_RVU, + "NIX_AF_RVU_INT", + rvu_nix_af_rvu_intr_handler); + if (!rc) + goto err; + rvu_write64(rvu, blkaddr, NIX_AF_RVU_INT_ENA_W1S, ~0ULL); + + /* Register and enable NIX_AF_ERR_INT interrupt */ + rc = rvu_nix_af_request_irq(rvu, blkaddr, base + NIX_AF_INT_VEC_AF_ERR, + "NIX_AF_ERR_INT", + rvu_nix_af_err_intr_handler); + if (!rc) + goto err; + rvu_write64(rvu, blkaddr, NIX_AF_ERR_INT_ENA_W1S, ~0ULL); + + /* Register and enable NIX_AF_RAS interrupt */ + rc = rvu_nix_af_request_irq(rvu, blkaddr, base + NIX_AF_INT_VEC_POISON, + "NIX_AF_RAS", + rvu_nix_af_ras_intr_handler); + if (!rc) + goto err; + rvu_write64(rvu, blkaddr, NIX_AF_RAS_ENA_W1S, ~0ULL); + + return 0; +err: + rvu_nix_unregister_interrupts(rvu); + return rc; +} + +void rvu_nix_unregister_interrupts(struct rvu *rvu) +{ + int blkaddr, offs, i; + + blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NIX, 0); + if (blkaddr < 0) + return; + + offs = rvu_read64(rvu, blkaddr, NIX_PRIV_AF_INT_CFG) & 0x3ff; + if (!offs) + return; + + rvu_write64(rvu, blkaddr, NIX_AF_RVU_INT_ENA_W1C, ~0ULL); + rvu_write64(rvu, blkaddr, NIX_AF_ERR_INT_ENA_W1C, ~0ULL); + rvu_write64(rvu, blkaddr, NIX_AF_RAS_ENA_W1C, ~0ULL); + + if (rvu->irq_allocated[offs + NIX_AF_INT_VEC_RVU]) { + free_irq(pci_irq_vector(rvu->pdev, offs + NIX_AF_INT_VEC_RVU), + rvu); + rvu->irq_allocated[offs + NIX_AF_INT_VEC_RVU] = false; + } + + for (i = NIX_AF_INT_VEC_AF_ERR; i < NIX_AF_INT_VEC_CNT; i++) + if (rvu->irq_allocated[offs + i]) { + free_irq(pci_irq_vector(rvu->pdev, offs + i), rvu); + rvu->irq_allocated[offs + i] = false; + } +} diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_struct.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu_struct.h index cc06a9242300..5d868eb80115 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_struct.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_struct.h @@ -70,6 +70,16 @@ enum npa_af_int_vec_e { NPA_AF_INT_VEC_CNT = 0x5, }; +/* NIX Admin function Interrupt Vector Enumeration */ +enum nix_af_int_vec_e { + NIX_AF_INT_VEC_RVU = 0x0, + NIX_AF_INT_VEC_GEN = 0x1, + NIX_AF_INT_VEC_AQ_DONE = 0x2, + NIX_AF_INT_VEC_AF_ERR = 0x3, + NIX_AF_INT_VEC_POISON = 0x4, + NIX_AF_INT_VEC_CNT = 0x5, +}; + /** * RVU PF Interrupt Vector Enumeration */