Commit 9a800c38 authored by Niklas Cassel's avatar Niklas Cassel Committed by Tomasz Zawadzki
Browse files

nvme: add spdk_nvme_zns_ns_get_zone_size_sectors() 



Sometimes it is more optimal to get the zone size in number
of sectors, instead of in number of bytes.

Therefore, add a new spdk_nvme_zns_ns_get_zone_size_sectors()
function to get zone size in number of sectors.

Signed-off-by: default avatarNiklas Cassel <niklas.cassel@wdc.com>
Change-Id: I0fe67e00a3d74dd27acfc895ae97448d995b89a3
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/6416


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Mellanox Build Bot
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
parent 8f5b48f8

include/spdk/nvme_zns.h

+12 −0
Original line number Diff line number Diff line
@@ -60,6 +60,18 @@ extern "C" { 
 */

const struct spdk_nvme_zns_ns_data *spdk_nvme_zns_ns_get_data(struct spdk_nvme_ns *ns);



/**

 * Get the zone size, in number of sectors, of the given namespace.

 *

 * This function is thread safe and can be called at any point while the controller

 * is attached to the SPDK NVMe driver.

 *

 * \param ns Namespace to query.

 *

 * \return the zone size of the given namespace in number of sectors.

 */

uint64_t spdk_nvme_zns_ns_get_zone_size_sectors(struct spdk_nvme_ns *ns);



/**

 * Get the zone size, in bytes, of the given namespace.

 *

lib/nvme/nvme_zns.c

+8 −2
Original line number Diff line number Diff line
@@ -40,12 +40,18 @@ spdk_nvme_zns_ns_get_data(struct spdk_nvme_ns *ns) 
}



uint64_t

spdk_nvme_zns_ns_get_zone_size(struct spdk_nvme_ns *ns)

spdk_nvme_zns_ns_get_zone_size_sectors(struct spdk_nvme_ns *ns)

{

	const struct spdk_nvme_zns_ns_data *nsdata_zns = spdk_nvme_zns_ns_get_data(ns);

	const struct spdk_nvme_ns_data *nsdata = spdk_nvme_ns_get_data(ns);



	return nsdata_zns->lbafe[nsdata->flbas.format].zsze * spdk_nvme_ns_get_sector_size(ns);

	return nsdata_zns->lbafe[nsdata->flbas.format].zsze;

}



uint64_t

spdk_nvme_zns_ns_get_zone_size(struct spdk_nvme_ns *ns)

{

	return spdk_nvme_zns_ns_get_zone_size_sectors(ns) * spdk_nvme_ns_get_sector_size(ns);

}



uint64_t

lib/nvme/spdk_nvme.map

+1 −0
Original line number Diff line number Diff line
@@ -168,6 +168,7 @@ 


	# public functions from nvme_zns.h

	spdk_nvme_zns_ns_get_data;

	spdk_nvme_zns_ns_get_zone_size_sectors;

	spdk_nvme_zns_ns_get_zone_size;

	spdk_nvme_zns_ns_get_num_zones;

	spdk_nvme_zns_ctrlr_get_data;