Commit 46fee78e authored by Pawel Wodkowski's avatar Pawel Wodkowski Committed by Jim Harris
Browse files

bdev/split: add JSON config dump 



Change-Id: I5d12dfb4227441bc147b9356f874fe0051b3ba0b
Signed-off-by: default avatarPawel Wodkowski <pawelx.wodkowski@intel.com>
Reviewed-on: https://review.gerrithub.io/401224


Reviewed-by: default avatarDariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Tested-by: default avatarSPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
parent a5dbccf0

lib/bdev/split/vbdev_split.c

+31 −0
Original line number Diff line number Diff line
@@ -72,12 +72,14 @@ static void vbdev_split_del_config(struct spdk_vbdev_split_config *cfg); 
static int vbdev_split_init(void);

static void vbdev_split_fini(void);

static void vbdev_split_examine(struct spdk_bdev *bdev);

static int vbdev_split_config_json(struct spdk_json_write_ctx *w);



static struct spdk_bdev_module split_if = {

	.name = "split",

	.module_init = vbdev_split_init,

	.module_fini = vbdev_split_fini,

	.examine = vbdev_split_examine,

	.config_json = vbdev_split_config_json,

};



SPDK_BDEV_MODULE_REGISTER(&split_if)
@@ -134,10 +136,17 @@ vbdev_split_dump_info_json(void *ctx, struct spdk_json_write_ctx *w) 
	return 0;

}



static void

vbdev_split_write_config_json(struct spdk_bdev *bdev, struct spdk_json_write_ctx *w)

{

	/* No config per bdev needed */

}



static struct spdk_bdev_fn_table vbdev_split_fn_table = {

	.destruct		= vbdev_split_destruct,

	.submit_request		= vbdev_split_submit_request,

	.dump_info_json		= vbdev_split_dump_info_json,

	.write_config_json	= vbdev_split_write_config_json

};



static int
@@ -411,6 +420,28 @@ vbdev_split_examine(struct spdk_bdev *bdev) 
	spdk_bdev_module_examine_done(&split_if);

}



static int

vbdev_split_config_json(struct spdk_json_write_ctx *w)

{

	struct spdk_vbdev_split_config *cfg;



	TAILQ_FOREACH(cfg, &g_split_config, tailq) {

		spdk_json_write_object_begin(w);



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



		spdk_json_write_named_object_begin(w, "params");

		spdk_json_write_named_string(w, "base_bdev", cfg->base_bdev);

		spdk_json_write_named_uint32(w, "split_count", cfg->split_count);

		spdk_json_write_named_uint64(w, "split_size_mb", cfg->split_size_mb);

		spdk_json_write_object_end(w);



		spdk_json_write_object_end(w);

	}



	return 0;

}



int

create_vbdev_split(const char *base_bdev_name, unsigned split_count, uint64_t split_size_mb)

{