From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id ACEE7C5478C for ; Fri, 1 Mar 2024 11:28:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=i0J4tdGzEBv9NQspVqIc4kUZomgY2qJnAceJO4uXsHE=; b=bLx+Hoqcy9J1b7SF7nQ6sYuNUJ y4nP42XSj+Z73xoSaetDtVnjPm/H3STvjvaE7XBPkhRSIUBRB4Jaa6Rg7YunyeXPkYKEmhqHERW2y unk30x0x6pGU8JoTMbSjLkxuJmKk/GhOjfOeoBSj2rLRydl0bnlTBRXdgn9NElrNtSzvSLcNrmzVT d6WrIqEx1SKPHV9LZmuQtH9DT/yZUUWucsYlDfd9VKg0d5AaAV1x97Q/OWxMPrVHYhmPR7QZ9Rj7G KYhGT6pQSmo6BqqRcyjx3xd3tWygEOhQeIo6/MBYmr0dpw7h9yJYaHc17EIJ/LAKv7V9hGTfrFeY2 KzrZcxkQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rg148-0000000HZYb-0HKP; Fri, 01 Mar 2024 11:28:36 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rg145-0000000HZXL-1avI for linux-nvme@lists.infradead.org; Fri, 01 Mar 2024 11:28:34 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 9478060FF4; Fri, 1 Mar 2024 11:28:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0E800C433F1; Fri, 1 Mar 2024 11:28:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1709292512; bh=JsnuTfj1YWHYuQgCo2kkNZv1YH2oh+AZvEH4jUOV9cU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=twU3uvrFtXkA6VyGaMBkWZA7okEfQKuE0TMx+BLC4eRUXvnyRVK7o5ibk39pA5jse EYkRaeGBqyVOPIWSNetOJCRZbd634H6DvK/8+55vjkcosleaL1diBmtmxPHxn2UCUr fARqounSAq3D7hSqvV9chRcbp0edCG91cBJ757A9R0XDXSgEhMNO6owLl1XNF++eyb hPqqVPtChg0EC/5KDtBxE9McbyhqqvyF0dLXJPN2biEXM/rLJB0vw9h1LSQqeI50DN C0mhHe1UmbTEoAdy/XLNPZfg9hMgB/2mqI07zXP51qe3isL8ITAfMVtktUGWz/LKcV Q4Pv0Hh1iGm4A== From: Hannes Reinecke To: Christoph Hellwig Cc: Keith Busch , Sagi Grimberg , linux-nvme@lists.infradead.org, Hannes Reinecke Subject: [PATCH 1/4] nvme: authentication error are always non-retryable Date: Fri, 1 Mar 2024 12:28:20 +0100 Message-Id: <20240301112823.132570-2-hare@kernel.org> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20240301112823.132570-1-hare@kernel.org> References: <20240301112823.132570-1-hare@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240301_032833_533174_22552C6F X-CRM114-Status: GOOD ( 15.24 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org From: Hannes Reinecke Any authentication errors which are generated internally are always non-retryable, so set the DNR bit to ensure they are not retried. Signed-off-by: Hannes Reinecke --- drivers/nvme/host/core.c | 6 +++--- drivers/nvme/host/fabrics.c | 29 +++++++++++++++++------------ drivers/nvme/host/nvme.h | 2 +- 3 files changed, 21 insertions(+), 16 deletions(-) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 5e9a0cf43636..0a8a595070c0 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -374,14 +374,14 @@ static inline enum nvme_disposition nvme_decide_disposition(struct request *req) if (likely(nvme_req(req)->status == 0)) return COMPLETE; - if ((nvme_req(req)->status & 0x7ff) == NVME_SC_AUTH_REQUIRED) - return AUTHENTICATE; - if (blk_noretry_request(req) || (nvme_req(req)->status & NVME_SC_DNR) || nvme_req(req)->retries >= nvme_max_retries) return COMPLETE; + if ((nvme_req(req)->status & 0x7ff) == NVME_SC_AUTH_REQUIRED) + return AUTHENTICATE; + if (req->cmd_flags & REQ_NVME_MPATH) { if (nvme_is_path_error(nvme_req(req)->status) || blk_queue_dying(req->q)) diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c index ab5ac219b70a..32e993781236 100644 --- a/drivers/nvme/host/fabrics.c +++ b/drivers/nvme/host/fabrics.c @@ -467,7 +467,7 @@ int nvmf_connect_admin_queue(struct nvme_ctrl *ctrl) if (result & NVME_CONNECT_AUTHREQ_ASCR) { dev_warn(ctrl->device, "qid 0: secure concatenation is not supported\n"); - ret = NVME_SC_AUTH_REQUIRED; + ret = NVME_SC_AUTH_REQUIRED | NVME_SC_DNR; goto out_free_data; } /* Authentication required */ @@ -475,14 +475,16 @@ int nvmf_connect_admin_queue(struct nvme_ctrl *ctrl) if (ret) { dev_warn(ctrl->device, "qid 0: authentication setup failed\n"); - ret = NVME_SC_AUTH_REQUIRED; + ret = NVME_SC_AUTH_REQUIRED | NVME_SC_DNR; goto out_free_data; } ret = nvme_auth_wait(ctrl, 0); - if (ret) + if (ret) { dev_warn(ctrl->device, - "qid 0: authentication failed\n"); - else + "qid 0: authentication failed, error %d\n", + ret); + ret = NVME_SC_AUTH_REQUIRED | NVME_SC_DNR; + } else dev_info(ctrl->device, "qid 0: authenticated\n"); } @@ -541,7 +543,7 @@ int nvmf_connect_io_queue(struct nvme_ctrl *ctrl, u16 qid) if (result & NVME_CONNECT_AUTHREQ_ASCR) { dev_warn(ctrl->device, "qid 0: secure concatenation is not supported\n"); - ret = NVME_SC_AUTH_REQUIRED; + ret = NVME_SC_AUTH_REQUIRED | NVME_SC_DNR; goto out_free_data; } /* Authentication required */ @@ -549,12 +551,15 @@ int nvmf_connect_io_queue(struct nvme_ctrl *ctrl, u16 qid) if (ret) { dev_warn(ctrl->device, "qid %d: authentication setup failed\n", qid); - ret = NVME_SC_AUTH_REQUIRED; - } else { - ret = nvme_auth_wait(ctrl, qid); - if (ret) - dev_warn(ctrl->device, - "qid %u: authentication failed\n", qid); + ret = NVME_SC_AUTH_REQUIRED | NVME_SC_DNR; + goto out_free_data; + } + ret = nvme_auth_wait(ctrl, qid); + if (ret) { + dev_warn(ctrl->device, + "qid %u: authentication failed, error %d\n", + qid, ret); + ret = NVME_SC_AUTH_REQUIRED | NVME_SC_DNR; } } out_free_data: diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 6ed2ca6b35e4..c08c220a68cf 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -1123,7 +1123,7 @@ static inline int nvme_auth_negotiate(struct nvme_ctrl *ctrl, int qid) } static inline int nvme_auth_wait(struct nvme_ctrl *ctrl, int qid) { - return NVME_SC_AUTH_REQUIRED; + return NVME_SC_AUTH_REQUIRED | NVME_SC_DNR; } static inline void nvme_auth_free(struct nvme_ctrl *ctrl) {}; #endif -- 2.35.3