Spdk/module/bdev/malloc/bdev_malloc_rpc.c
Shuhei Matsumoto e6b2b9075a bdev/malloc: Use options structure to create a malloc bdev
Define a options structure, malloc_bdev_opts, and use it directly for
the bdev_malloc_create RPC. To do this, bdev_malloc.h includes
bdev_module.h instead of bdev.h to have the definition of the struct
spdk_uuid, and the struct malloc_bdev_opts has a instance of struct
spdk_uuid. Clean up file inclusion together. Furthermore, use
spdk_uuid_copy() to copy uuid from the malloc_bdev_opts to the malloc
disk rather than the = operator, and remove a duplicated size check.

These are helpful to add more parameters for creation.

Signed-off-by: Shuhei Matsumoto <smatsumoto@nvidia.com>
Change-Id: Ief25f12586c21b1666180ce10cfc6256ede8eba9
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/14982
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@nvidia.com>
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2022-10-28 06:49:40 +00:00

124 lines
3.3 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright (c) Intel Corporation.
* All rights reserved.
* Copyright (c) 2021 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
*/
#include "bdev_malloc.h"
#include "spdk/rpc.h"
#include "spdk/string.h"
#include "spdk/log.h"
static void
free_rpc_construct_malloc(struct malloc_bdev_opts *r)
{
free(r->name);
}
static int
decode_mdisk_uuid(const struct spdk_json_val *val, void *out)
{
char *str = NULL;
int rc;
rc = spdk_json_decode_string(val, &str);
if (rc == 0) {
rc = spdk_uuid_parse(out, str);
}
free(str);
return rc;
}
static const struct spdk_json_object_decoder rpc_construct_malloc_decoders[] = {
{"name", offsetof(struct malloc_bdev_opts, name), spdk_json_decode_string, true},
{"uuid", offsetof(struct malloc_bdev_opts, uuid), decode_mdisk_uuid, true},
{"num_blocks", offsetof(struct malloc_bdev_opts, num_blocks), spdk_json_decode_uint64},
{"block_size", offsetof(struct malloc_bdev_opts, block_size), spdk_json_decode_uint32},
{"optimal_io_boundary", offsetof(struct malloc_bdev_opts, optimal_io_boundary), spdk_json_decode_uint32, true},
};
static void
rpc_bdev_malloc_create(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct malloc_bdev_opts req = {NULL};
struct spdk_json_write_ctx *w;
struct spdk_bdev *bdev;
int rc = 0;
if (spdk_json_decode_object(params, rpc_construct_malloc_decoders,
SPDK_COUNTOF(rpc_construct_malloc_decoders),
&req)) {
SPDK_DEBUGLOG(bdev_malloc, "spdk_json_decode_object failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"spdk_json_decode_object failed");
goto cleanup;
}
rc = create_malloc_disk(&bdev, &req);
if (rc) {
spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
goto cleanup;
}
free_rpc_construct_malloc(&req);
w = spdk_jsonrpc_begin_result(request);
spdk_json_write_string(w, spdk_bdev_get_name(bdev));
spdk_jsonrpc_end_result(request, w);
return;
cleanup:
free_rpc_construct_malloc(&req);
}
SPDK_RPC_REGISTER("bdev_malloc_create", rpc_bdev_malloc_create, SPDK_RPC_RUNTIME)
struct rpc_delete_malloc {
char *name;
};
static void
free_rpc_delete_malloc(struct rpc_delete_malloc *r)
{
free(r->name);
}
static const struct spdk_json_object_decoder rpc_delete_malloc_decoders[] = {
{"name", offsetof(struct rpc_delete_malloc, name), spdk_json_decode_string},
};
static void
rpc_bdev_malloc_delete_cb(void *cb_arg, int bdeverrno)
{
struct spdk_jsonrpc_request *request = cb_arg;
if (bdeverrno == 0) {
spdk_jsonrpc_send_bool_response(request, true);
} else {
spdk_jsonrpc_send_error_response(request, bdeverrno, spdk_strerror(-bdeverrno));
}
}
static void
rpc_bdev_malloc_delete(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct rpc_delete_malloc req = {NULL};
if (spdk_json_decode_object(params, rpc_delete_malloc_decoders,
SPDK_COUNTOF(rpc_delete_malloc_decoders),
&req)) {
SPDK_DEBUGLOG(bdev_malloc, "spdk_json_decode_object failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"spdk_json_decode_object failed");
goto cleanup;
}
delete_malloc_disk(req.name, rpc_bdev_malloc_delete_cb, request);
cleanup:
free_rpc_delete_malloc(&req);
}
SPDK_RPC_REGISTER("bdev_malloc_delete", rpc_bdev_malloc_delete, SPDK_RPC_RUNTIME)