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bdev/nvme: Improve error reporting when adding additional paths to a

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controller

Change-Id: I53ac0c6f8879bf80bc1345ef620a215d434f536f
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/9340
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Mellanox Build Bot
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
This commit is contained in:
Ben Walker 2021-08-30 13:19:31 -07:00 committed by Tomasz Zawadzki
parent bf9e3156a9
commit 8dfefec509
2 changed files with 24 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
module/bdev/nvme/bdev_nvme_rpc.c
View File

@ -271,6 +271,7 @@ rpc_bdev_nvme_attach_controller(struct spdk_jsonrpc_request *request,
{
struct rpc_bdev_nvme_attach_controller_ctx *ctx;
struct spdk_nvme_transport_id trid = {};
const struct spdk_nvme_ctrlr_opts *opts;
uint32_t prchk_flags = 0;
struct nvme_ctrlr *ctrlr = NULL;
size_t len, maxlen;
@ -385,9 +386,24 @@ rpc_bdev_nvme_attach_controller(struct spdk_jsonrpc_request *request,
ctrlr = nvme_ctrlr_get_by_name(ctx->req.name);
if (ctrlr && (ctx->req.hostaddr || ctx->req.hostnqn || ctx->req.hostsvcid || ctx->req.prchk_guard ||
ctx->req.prchk_reftag)) {
goto conflicting_arguments;
if (ctrlr) {
/* This controller already exists. Verify the parameters match sufficiently. */
opts = spdk_nvme_ctrlr_get_opts(ctrlr->ctrlr);
if (strncmp(ctx->req.opts.hostnqn, opts->hostnqn, SPDK_NVMF_NQN_MAX_LEN) != 0) {
/* Different HOSTNQN is not allowed when specifying the same controller name. */
spdk_jsonrpc_send_error_response_fmt(request, -EINVAL,
"A controller named %s already exists, but uses a different hostnqn (%s)\n",
ctx->req.name, opts->hostnqn);
goto cleanup;
}
if (ctx->req.prchk_guard || ctx->req.prchk_reftag) {
spdk_jsonrpc_send_error_response_fmt(request, -EINVAL,
"A controller named %s already exists. To add a path, do not specify PI options.\n",
ctx->req.name);
goto cleanup;
}
}
if (ctx->req.prchk_reftag) {
@ -410,9 +426,6 @@ rpc_bdev_nvme_attach_controller(struct spdk_jsonrpc_request *request,
return;
conflicting_arguments:
spdk_jsonrpc_send_error_response_fmt(request, -EINVAL,
"Invalid agrgument list. Existing controller name cannot be combined with host information or PI options.\n");
cleanup:
free_rpc_bdev_nvme_attach_controller(&ctx->req);
free(ctx);

9
test/nvmf/host/multicontroller.sh
View File

@ -46,9 +46,10 @@ while ! $rpc_py -s $bdevperf_rpc_sock bdev_nvme_get_controllers | grep -c NVMe;
sleep 1s
done
# try to attach to the second port with a different hostsvcid (this should fail).
# try to attach with same controller name but different hostnqn. Should fail.
NOT $rpc_py -s $bdevperf_rpc_sock bdev_nvme_attach_controller -b NVMe0 -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP \
-s $NVMF_SECOND_PORT -f ipv4 -n nqn.2016-06.io.spdk:cnode1 -i $NVMF_FIRST_TARGET_IP -c $NVMF_HOST_SECOND_PORT
-s $NVMF_PORT -f ipv4 -n nqn.2016-06.io.spdk:cnode1 -i $NVMF_FIRST_TARGET_IP -c $NVMF_HOST_FIRST_PORT \
-q nqn.2021-09-7.io.spdk:00001
# Add a second path without specifying the host information. Should pass.
$rpc_py -s $bdevperf_rpc_sock bdev_nvme_attach_controller -b NVMe0 -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP \
@ -58,9 +59,9 @@ $rpc_py -s $bdevperf_rpc_sock bdev_nvme_attach_controller -b NVMe0 -t $TEST_TRAN
$rpc_py -s $bdevperf_rpc_sock bdev_nvme_detach_controller NVMe0 -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP \
-s $NVMF_SECOND_PORT -f ipv4 -n nqn.2016-06.io.spdk:cnode1
# Add a second controller by attaching to the same subsystem from a different hostid.
# Add a second controller by attaching to the same subsystem with a different controller name
$rpc_py -s $bdevperf_rpc_sock bdev_nvme_attach_controller -b NVMe1 -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP \
-s $NVMF_SECOND_PORT -f ipv4 -n nqn.2016-06.io.spdk:cnode1 -i $NVMF_FIRST_TARGET_IP -c $NVMF_HOST_SECOND_PORT
-s $NVMF_SECOND_PORT -f ipv4 -n nqn.2016-06.io.spdk:cnode1 -i $NVMF_FIRST_TARGET_IP -c $NVMF_HOST_FIRST_PORT
if [ "$($rpc_py -s $bdevperf_rpc_sock bdev_nvme_get_controllers | grep -c NVMe)" != "2" ]; then
echo "actual number of controllers is not equal to expected count."