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bdev: add delete_bdev RPC

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Change-Id: Iac0298d5f10c937107a70287af4586a5c37e73bf
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This commit is contained in:
Daniel Verkamp 2017-02-27 16:59:53 -07:00 committed by Jim Harris
parent 731edf84d8
commit 30a10e68a4
2 changed files with 71 additions and 0 deletions
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61
lib/bdev/rpc/bdev_rpc.c
View File

@ -90,3 +90,64 @@ spdk_rpc_get_bdevs(struct spdk_jsonrpc_server_conn *conn,
spdk_jsonrpc_end_result(conn, w);
}
SPDK_RPC_REGISTER("get_bdevs", spdk_rpc_get_bdevs)
struct rpc_delete_bdev {
char *name;
};
static void
free_rpc_delete_bdev(struct rpc_delete_bdev *r)
{
free(r->name);
}
static const struct spdk_json_object_decoder rpc_delete_bdev_decoders[] = {
{"name", offsetof(struct rpc_delete_bdev, name), spdk_json_decode_string},
};
static void
spdk_rpc_delete_bdev(struct spdk_jsonrpc_server_conn *conn,
const struct spdk_json_val *params,
const struct spdk_json_val *id)
{
struct rpc_delete_bdev req = {};
struct spdk_bdev *bdev;
struct spdk_json_write_ctx *w;
if (spdk_json_decode_object(params, rpc_delete_bdev_decoders,
sizeof(rpc_delete_bdev_decoders) / sizeof(*rpc_delete_bdev_decoders),
&req)) {
SPDK_ERRLOG("spdk_json_decode_object failed\n");
goto invalid;
}
if (req.name == NULL) {
SPDK_ERRLOG("missing name param\n");
goto invalid;
}
bdev = spdk_bdev_get_by_name(req.name);
if (bdev == NULL) {
SPDK_ERRLOG("bdev '%s' does not exist\n", req.name);
goto invalid;
}
spdk_bdev_unregister(bdev);
free_rpc_delete_bdev(&req);
if (id == NULL) {
return;
}
w = spdk_jsonrpc_begin_result(conn, id);
spdk_json_write_bool(w, true);
spdk_jsonrpc_end_result(conn, w);
return;
invalid:
spdk_jsonrpc_send_error_response(conn, id, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
free_rpc_delete_bdev(&req);
}
SPDK_RPC_REGISTER("delete_bdev", spdk_rpc_delete_bdev)

10
scripts/rpc.py
View File

@ -338,6 +338,16 @@ def get_bdevs(args):
p = subparsers.add_parser('get_bdevs', help='Display current blockdev list')
p.set_defaults(func=get_bdevs)
def delete_bdev(args):
params = {'name': args.bdev_name}
jsonrpc_call('delete_bdev', params)
p = subparsers.add_parser('delete_bdev', help='Delete a blockdev')
p.add_argument('bdev_name', help='Blockdev name to be deleted. Example: Malloc0.')
p.set_defaults(func=delete_bdev)
def get_nvmf_subsystems(args):
print_dict(jsonrpc_call('get_nvmf_subsystems'))