Commit f23c48d5 authored by Pawel Wodkowski's avatar Pawel Wodkowski Committed by Daniel Verkamp
Browse files

vhost_nvme: add JSON config dump 



Change-Id: Iaed49c2bef3f3f16e07c9a0c80106f3bec7cac09
Signed-off-by: default avatarPawel Wodkowski <pawelx.wodkowski@intel.com>
Reviewed-on: https://review.gerrithub.io/409024


Tested-by: default avatarSPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: default avatarDaniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarChangpeng Liu <changpeng.liu@intel.com>
Reviewed-by: default avatarDariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
parent 14cf1ad3

lib/vhost/vhost_nvme.c

+41 −0
Original line number Diff line number Diff line
@@ -1060,10 +1060,51 @@ spdk_vhost_nvme_dump_info_json(struct spdk_vhost_dev *vdev, struct spdk_json_wri 
	spdk_json_write_object_end(w);

}



static void

spdk_vhost_nvme_write_config_json(struct spdk_vhost_dev *vdev, struct spdk_json_write_ctx *w)

{

	struct spdk_vhost_nvme_dev *nvme = to_nvme_dev(vdev);

	struct spdk_vhost_nvme_ns *ns_dev;

	uint32_t i;



	if (nvme == NULL) {

		return;

	}



	spdk_json_write_object_begin(w);

	spdk_json_write_named_string(w, "method", "construct_vhost_nvme_controller");



	spdk_json_write_named_object_begin(w, "params");

	spdk_json_write_named_string(w, "ctrlr", nvme->vdev.name);

	spdk_json_write_named_uint32(w, "io_queues", nvme->num_io_queues);

	spdk_json_write_named_string(w, "cpumask", spdk_cpuset_fmt(nvme->vdev.cpumask));

	spdk_json_write_object_end(w);



	spdk_json_write_object_end(w);



	for (i = 0; i < nvme->num_ns; i++) {

		ns_dev = &nvme->ns[i];

		if (!ns_dev->active_ns) {

			continue;

		}



		spdk_json_write_object_begin(w);

		spdk_json_write_named_string(w, "method", "add_vhost_nvme_ns");



		spdk_json_write_named_object_begin(w, "params");

		spdk_json_write_named_string(w, "ctrlr", nvme->vdev.name);

		spdk_json_write_named_string(w, "bdev_name", spdk_bdev_get_name(ns_dev->bdev));

		spdk_json_write_object_end(w);



		spdk_json_write_object_end(w);

	}

}



static const struct spdk_vhost_dev_backend spdk_vhost_nvme_device_backend = {

	.start_device = spdk_vhost_nvme_start_device,

	.stop_device = spdk_vhost_nvme_stop_device,

	.dump_info_json = spdk_vhost_nvme_dump_info_json,

	.write_config_json = spdk_vhost_nvme_write_config_json,

	.remove_device = spdk_vhost_nvme_dev_remove,

};