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 1D604CD11BF for ; Wed, 20 Mar 2024 14:40:43 +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=O5cRiEk9qD3y1xXnrrt7sR0OydQhYdQWn4F3nD79lig=; b=iZmFdctWtUvGT8Wa/My8D4dwWR cIzySCFeMv1dAO2T48afVYdbd8XsXoRRQ3CQtkm2jXZhMuW1hT/Ak5gs68hdycpUfxdGnopNMTeC/ J9SzUjFGgjrANPVOVKt7Hcy7jM9pAVdupqfAus6KnCGF8qws339xhByyw9YX3UmYpcUISI4Msba/H Q31mr6z5XR+bXgBO+YaC/DkX9UPGOI9NoK7JtqihCSsOjPwRDF4uf0chfEr/cmRoz07ZQgLanOkVt 2g1CDpLyUmX6KcsgtuzoZCt3xQQxgqInetcnDNf/U0Nbv0RiAFmnvroCEFievDEouVPUFF7PiMqAV yxzi6n1w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rmx7S-0000000HTt5-1i4q; Wed, 20 Mar 2024 14:40:42 +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 1rmx7L-0000000HToz-33if for linux-nvme@lists.infradead.org; Wed, 20 Mar 2024 14:40:37 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 4714461027; Wed, 20 Mar 2024 14:40:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 76C41C433F1; Wed, 20 Mar 2024 14:40:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1710945635; bh=b6W9eyBtx4gUYE+Q64U9VZ5IIVKy5EDPgM4QB/y14TE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=trfiHHAX5Kf3h5X9rs/EGwGs0d9gRg/f39eM4GHLyNaaG7JFtLAuychkvrZRb/dxh 7shw69FXAJ1l1EXy86bzaRl+6qQyO0bBVXlJrRlMekaVcm0GkDowFnqovD1PlwCCdj RUaML7tko8cZAA+Fli4FVjqkrtrVo1BaYwuOJuRJg0b+WW3K2B3uFjSCazADXgfwPW jw/TSNPH5r85ckH6tVjSJtd+TQgdzzQawH5zxlgNSpgGVAH7mhFzpsGNRU4VRjXp6T b4iF/uQpUf+UmRGHB1Qq33+qRTdxObmmfWdiaAqnS430Oc1vlzbyXtVtO/loiyQ9ER 5QEYWCGx0/iBA== From: Hannes Reinecke To: Christoph Hellwig Cc: Keith Busch , Sagi Grimberg , James Smart , linux-nvme@lists.infradead.org, Hannes Reinecke Subject: [PATCH 5/7] nvmet-fc: implement queue_peer_traddr() Date: Wed, 20 Mar 2024 15:40:15 +0100 Message-Id: <20240320144017.106283-6-hare@kernel.org> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20240320144017.106283-1-hare@kernel.org> References: <20240320144017.106283-1-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-20240320_074035_831084_F1D5B45C X-CRM114-Status: GOOD ( 13.64 ) 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 Implement callback to display the peer transport address by adding a callback 'host_traddr' for nvmet_fc_target_template. Signed-off-by: Hannes Reinecke --- drivers/nvme/target/fc.c | 25 +++++++++++++++++++++++++ include/linux/nvme-fc-driver.h | 1 + 2 files changed, 26 insertions(+) diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c index fd229f310c93..b0fedff44e51 100644 --- a/drivers/nvme/target/fc.c +++ b/drivers/nvme/target/fc.c @@ -2931,6 +2931,30 @@ nvmet_fc_discovery_chg(struct nvmet_port *port) tgtport->ops->discovery_event(&tgtport->fc_target_port); } +static ssize_t +nvmet_fc_peer_addr(struct nvmet_ctrl *ctrl, + struct nvmet_sq *sq, char *traddr, size_t traddr_size) +{ + struct nvmet_fc_tgt_queue *queue = + container_of(sq, struct nvmet_fc_tgt_queue, nvme_sq); + struct nvmet_fc_tgtport *tgtport = queue->assoc ? queue->assoc->tgtport : NULL; + struct nvmet_fc_hostport *hostport = queue->assoc ? queue->assoc->hostport : NULL; + ssize_t ret = 0; + + if (!tgtport || !nvmet_fc_tgtport_get(tgtport)) + return -ENODEV; + if (!hostport) { + ret = -ENODEV; + goto out_put; + } + + if (tgtport->ops->host_traddr) + ret = tgtport->ops->host_traddr(hostport->hosthandle, traddr, traddr_size); +out_put: + nvmet_fc_tgtport_put(tgtport); + return ret; +} + static const struct nvmet_fabrics_ops nvmet_fc_tgt_fcp_ops = { .owner = THIS_MODULE, .type = NVMF_TRTYPE_FC, @@ -2940,6 +2964,7 @@ static const struct nvmet_fabrics_ops nvmet_fc_tgt_fcp_ops = { .queue_response = nvmet_fc_fcp_nvme_cmd_done, .delete_ctrl = nvmet_fc_delete_ctrl, .discovery_chg = nvmet_fc_discovery_chg, + .queue_peertraddr = nvmet_fc_peer_addr, }; static int __init nvmet_fc_init_module(void) diff --git a/include/linux/nvme-fc-driver.h b/include/linux/nvme-fc-driver.h index 4109f1bd6128..885f2951041b 100644 --- a/include/linux/nvme-fc-driver.h +++ b/include/linux/nvme-fc-driver.h @@ -975,6 +975,7 @@ struct nvmet_fc_target_template { void (*ls_abort)(struct nvmet_fc_target_port *targetport, void *hosthandle, struct nvmefc_ls_req *lsreq); void (*host_release)(void *hosthandle); + ssize_t (*host_traddr)(void *hosthandle, char *traddr, size_t traddr_size); u32 max_hw_queues; u16 max_sgl_segments; -- 2.35.3