| Message ID | 1461778138-23116-2-git-send-email-javier@javigon.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 04/27/2016 07:28 PM, Javier González wrote: > Enable metadata to be sent to the device through the metadata field on > the physical rw nvme command. When a single ppa is sent to the device, a > 64-bit integer can be sent as metadata; when a ppa list is sent, a > 64-bit integer list mapping to the ppa list can be used to send > metadata. > > Signed-off-by: Javier González <javier@cnexlabs.com> > --- > 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 b1a0d8b..92da28d 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 1e3b53e..9768bae 100644 > --- a/include/linux/lightnvm.h > +++ b/include/linux/lightnvm.h > @@ -239,8 +239,8 @@ 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; > Thanks Javier. Applied for 4.7. -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c index b1a0d8b..92da28d 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 1e3b53e..9768bae 100644 --- a/include/linux/lightnvm.h +++ b/include/linux/lightnvm.h @@ -239,8 +239,8 @@ 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;
Enable metadata to be sent to the device through the metadata field on the physical rw nvme command. When a single ppa is sent to the device, a 64-bit integer can be sent as metadata; when a ppa list is sent, a 64-bit integer list mapping to the ppa list can be used to send metadata. Signed-off-by: Javier González <javier@cnexlabs.com> --- drivers/nvme/host/lightnvm.c | 1 + include/linux/lightnvm.h | 4 ++-- 2 files changed, 3 insertions(+), 2 deletions(-)