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Signed-off-by: Keith Lucas <keith.lucas@suse.com>
This commit is contained in:
Keith Lucas 2022-06-30 13:31:03 -04:00
parent 7843af57fc
commit 6405c45b19
1 changed files with 74 additions and 0 deletions
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74
module/bdev/longhorn/bdev_longhorn_replica_rpc.c
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@ -6,6 +6,7 @@
#include "spdk_internal/lvolstore.h" #include "spdk_internal/lvolstore.h"
#include "bdev_longhorn_replica.h" #include "bdev_longhorn_replica.h"
#include "bdev_longhorn_lvol.h" #include "bdev_longhorn_lvol.h"
#include "bdev_longhorn_nvmf.h"
struct rpc_longhorn_replica { struct rpc_longhorn_replica {
char *name; char *name;
@ -60,6 +61,79 @@ rpc_longhorn_replica_create(struct spdk_jsonrpc_request *request,
SPDK_RPC_REGISTER("longhorn_replica_create", rpc_longhorn_replica_create, SPDK_RPC_RUNTIME) SPDK_RPC_REGISTER("longhorn_replica_create", rpc_longhorn_replica_create, SPDK_RPC_RUNTIME)
struct rpc_longhorn_replica_stop {
char *name;
char *lvs;
};
static const struct spdk_json_object_decoder rpc_longhorn_replica_stop_decoders[] = {
{"name", offsetof(struct rpc_longhorn_replica_stop, name), spdk_json_decode_string, false},
{"lvs", offsetof(struct rpc_longhorn_replica_stop, lvs), spdk_json_decode_string, false},
};
static void
rpc_longhorn_replica_stop_cb(struct spdk_nvmf_subsystem *subsystem,
void *arg, int status) {
struct spdk_jsonrpc_request *request = arg;
spdk_jsonrpc_send_bool_response(request, true);
}
static void
rpc_longhorn_replica_stop(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct rpc_longhorn_replica_stop req = {};
struct spdk_nvmf_tgt *tgt;
struct spdk_nvmf_subsystem *subsystem;
char *nqn = NULL;
int rc;
if (spdk_json_decode_object(params, rpc_longhorn_replica_stop_decoders,
SPDK_COUNTOF(rpc_longhorn_replica_stop_decoders),
&req)) {
SPDK_ERRLOG("spdk_json_decode_object failed\n");
return;
}
tgt = spdk_nvmf_get_tgt(NULL);
nqn = longhorn_generate_replica_nqn(req.lvs, req.name);
subsystem = spdk_nvmf_tgt_find_subsystem(tgt, nqn);
if (subsystem != NULL) {
SPDK_DEBUGLOG("Removing subsystem: %s\n", nqn);
rc = spdk_nvmf_subsystem_stop(subsystem,
rpc_longhorn_replica_stop_cb,
request);
if (rc == -EBUSY) {
SPDK_ERRLOG("Subsystem currently in another state change try again later.\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Subsystem currently in another state change try again later.");
} else if (rc != 0) {
SPDK_ERRLOG("Unable to change state on subsystem. rc=%d\n", rc);
spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Unable to change state on subsystem. rc=%d", rc);
}
} else {
SPDK_DEBUGLOG("%s/%s not published on NVMeOF\n", req.lvs, req.name);
spdk_jsonrpc_send_bool_response(request, true);
}
free(nqn);
}
SPDK_RPC_REGISTER("longhorn_replica_stop", rpc_longhorn_replica_stop, SPDK_RPC_RUNTIME)
//SPDK_RPC_REGISTER("longhorn_replica_remove", rpc_longhorn_replica_remove, SPDK_RPC_RUNTIME)
struct rpc_longhorn_replica_snapshot { struct rpc_longhorn_replica_snapshot {
char *name; char *name;