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lib/vhost: separate out vhost_user specific json config

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The vhost_user_config_json() will be replaced with callback
to virtio_blk transport.

Signed-off-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Change-Id: I6ea0ea38f505f0d354cd34ee5ab9cd3a858bd82e
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/9538
Community-CI: Mellanox Build Bot
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
This commit is contained in:
Tomasz Zawadzki 2021-09-17 13:07:35 +02:00
parent 6f89388ed3
commit 223f1f1446
1 changed files with 24 additions and 17 deletions
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41
lib/vhost/vhost.c
View File

@ -267,33 +267,40 @@ spdk_vhost_fini(spdk_vhost_fini_cb fini_cb)
vhost_user_fini(vhost_fini);
}
static void
vhost_user_config_json(struct spdk_vhost_dev *vdev, struct spdk_json_write_ctx *w)
{
uint32_t delay_base_us;
uint32_t iops_threshold;
vdev->backend->write_config_json(vdev, w);
spdk_vhost_get_coalescing(vdev, &delay_base_us, &iops_threshold);
if (delay_base_us) {
spdk_json_write_object_begin(w);
spdk_json_write_named_string(w, "method", "vhost_controller_set_coalescing");
spdk_json_write_named_object_begin(w, "params");
spdk_json_write_named_string(w, "ctrlr", vdev->name);
spdk_json_write_named_uint32(w, "delay_base_us", delay_base_us);
spdk_json_write_named_uint32(w, "iops_threshold", iops_threshold);
spdk_json_write_object_end(w);
spdk_json_write_object_end(w);
}
}
void
spdk_vhost_config_json(struct spdk_json_write_ctx *w)
{
struct spdk_vhost_dev *vdev;
uint32_t delay_base_us;
uint32_t iops_threshold;
spdk_json_write_array_begin(w);
spdk_vhost_lock();
for (vdev = spdk_vhost_dev_next(NULL); vdev != NULL;
vdev = spdk_vhost_dev_next(vdev)) {
vdev->backend->write_config_json(vdev, w);
spdk_vhost_get_coalescing(vdev, &delay_base_us, &iops_threshold);
if (delay_base_us) {
spdk_json_write_object_begin(w);
spdk_json_write_named_string(w, "method", "vhost_controller_set_coalescing");
spdk_json_write_named_object_begin(w, "params");
spdk_json_write_named_string(w, "ctrlr", vdev->name);
spdk_json_write_named_uint32(w, "delay_base_us", delay_base_us);
spdk_json_write_named_uint32(w, "iops_threshold", iops_threshold);
spdk_json_write_object_end(w);
spdk_json_write_object_end(w);
}
vhost_user_config_json(vdev, w);
}
spdk_vhost_unlock();