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bdev/split: add JSON config dump

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Change-Id: I5d12dfb4227441bc147b9356f874fe0051b3ba0b
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Reviewed-on: https://review.gerrithub.io/401224
Reviewed-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
Pawel Wodkowski 2018-03-16 19:38:14 +01:00 committed by Jim Harris
parent a5dbccf02b
commit 46fee78e20
1 changed files with 31 additions and 0 deletions
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31
lib/bdev/split/vbdev_split.c
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@ -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)
{