From 003fad376b924fc3a61c659f38da70356ec144fa Mon Sep 17 00:00:00 2001 From: =?utf8?q?Javier=20Gonz=C3=A1lez?= Date: Fri, 6 May 2016 20:03:12 +0200 Subject: [PATCH] lightnvm: enable metadata to be sent to device MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 Signed-off-by: Jens Axboe --- 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 d426d95c9eaa..69a47fb2b6e3 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 af72ca75dced..678df4d4354d 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; -- 2.45.2