From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758809AbcEFSFj (ORCPT ); Fri, 6 May 2016 14:05:39 -0400 Received: from mail-wm0-f41.google.com ([74.125.82.41]:36523 "EHLO mail-wm0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932340AbcEFSD5 (ORCPT ); Fri, 6 May 2016 14:03:57 -0400 From: =?UTF-8?q?Matias=20Bj=C3=B8rling?= To: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, axboe@fb.com Cc: =?UTF-8?q?Javier=20Gonz=C3=A1lez?= , =?UTF-8?q?Matias=20Bj=C3=B8rling?= Subject: [PATCH 19/28] lightnvm: enable metadata to be sent to device Date: Fri, 6 May 2016 20:03:12 +0200 Message-Id: <1462557801-24974-20-git-send-email-m@bjorling.me> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1462557801-24974-1-git-send-email-m@bjorling.me> References: <1462557801-24974-1-git-send-email-m@bjorling.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Javier González Enable metadata buffer to be sent to the device through the metadata field on the physical rw nvme command. The size of the metadata buffer must follow dev->oob_size * # of PPAs. Signed-off-by: Javier González Updated description. Signed-off-by: Matias Bjørling --- drivers/nvme/host/lightnvm.c | 1 + include/linux/lightnvm.h | 4 ++-- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c index d426d95..69a47fb 100644 --- a/drivers/nvme/host/lightnvm.c +++ b/drivers/nvme/host/lightnvm.c @@ -467,6 +467,7 @@ static inline void nvme_nvm_rqtocmd(struct request *rq, struct nvm_rq *rqd, c->ph_rw.opcode = rqd->opcode; c->ph_rw.nsid = cpu_to_le32(ns->ns_id); c->ph_rw.spba = cpu_to_le64(rqd->ppa_addr.ppa); + c->ph_rw.metadata = cpu_to_le64(rqd->meta_list); c->ph_rw.control = cpu_to_le16(rqd->flags); c->ph_rw.length = cpu_to_le16(rqd->nr_pages - 1); diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h index af72ca7..678df4d 100644 --- a/include/linux/lightnvm.h +++ b/include/linux/lightnvm.h @@ -230,8 +230,8 @@ struct nvm_rq { struct ppa_addr *ppa_list; - void *metadata; - dma_addr_t dma_metadata; + void *meta_list; + dma_addr_t dma_meta_list; struct completion *wait; nvm_end_io_fn *end_io; -- 2.1.4