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bdev/virtio: add more descriptive rpc error messages

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Improve error messages where possible.

Change-Id: I68b48fd448636412a2b26241c787e7b7826c9a34
Signed-off-by: Karol Latecki <karol.latecki@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/461873
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
This commit is contained in:
Karol Latecki 2019-07-15 12:48:36 +02:00 committed by Darek Stojaczyk
parent 8f44d126b4
commit 46ebf1b1e9
1 changed files with 20 additions and 26 deletions
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46
lib/bdev/virtio/bdev_virtio_rpc.c
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@ -77,13 +77,14 @@ spdk_rpc_remove_virtio_bdev(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct rpc_remove_virtio_dev req = {NULL};
int rc;
int rc = 0;
if (spdk_json_decode_object(params, rpc_remove_virtio_dev,
SPDK_COUNTOF(rpc_remove_virtio_dev),
&req)) {
rc = -EINVAL;
goto invalid;
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"spdk_json_decode_object failed");
goto cleanup;
}
rc = bdev_virtio_blk_dev_remove(req.name, spdk_rpc_remove_virtio_bdev_cb, request);
@ -92,16 +93,10 @@ spdk_rpc_remove_virtio_bdev(struct spdk_jsonrpc_request *request,
}
if (rc != 0) {
goto invalid;
spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
}
free(req.name);
return;
invalid:
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
spdk_strerror(-rc));
cleanup:
free(req.name);
}
SPDK_RPC_REGISTER("remove_virtio_bdev", spdk_rpc_remove_virtio_bdev, SPDK_RPC_RUNTIME);
@ -199,30 +194,30 @@ spdk_rpc_construct_virtio_dev(struct spdk_jsonrpc_request *request,
req = calloc(1, sizeof(*req));
if (!req) {
SPDK_ERRLOG("calloc() failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, spdk_strerror(ENOMEM));
spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
return;
}
if (spdk_json_decode_object(params, rpc_construct_virtio_dev,
SPDK_COUNTOF(rpc_construct_virtio_dev),
req)) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, spdk_strerror(EINVAL));
goto invalid;
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"spdk_json_decode_object failed");
goto cleanup;
}
if (strcmp(req->trtype, "pci") == 0) {
if (req->vq_count != 0 || req->vq_size != 0) {
SPDK_ERRLOG("VQ count or size is not allowed for PCI transport type\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
spdk_jsonrpc_send_error_response(request, EINVAL,
"vq_count or vq_size is not allowed for PCI transport type.");
goto invalid;
goto cleanup;
}
if (spdk_pci_addr_parse(&pci_addr, req->traddr) != 0) {
SPDK_ERRLOG("Invalid PCI address '%s'\n", req->traddr);
spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Invalid PCI address '%s'", req->traddr);
goto invalid;
spdk_jsonrpc_send_error_response_fmt(request, EINVAL, "Invalid PCI address '%s'", req->traddr);
goto cleanup;
}
pci = true;
@ -232,9 +227,8 @@ spdk_rpc_construct_virtio_dev(struct spdk_jsonrpc_request *request,
pci = false;
} else {
SPDK_ERRLOG("Invalid trtype '%s'\n", req->trtype);
spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Invalid trtype '%s'", req->trtype);
goto invalid;
spdk_jsonrpc_send_error_response_fmt(request, EINVAL, "Invalid trtype '%s'", req->trtype);
goto cleanup;
}
req->request = request;
@ -262,13 +256,13 @@ spdk_rpc_construct_virtio_dev(struct spdk_jsonrpc_request *request,
}
} else {
SPDK_ERRLOG("Invalid dev_type '%s'\n", req->dev_type);
spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Invalid dev_type '%s'", req->dev_type);
goto invalid;
spdk_jsonrpc_send_error_response_fmt(request, EINVAL, "Invalid dev_type '%s'", req->dev_type);
goto cleanup;
}
return;
invalid:
cleanup:
free_rpc_construct_virtio_dev(req);
}
SPDK_RPC_REGISTER("construct_virtio_dev", spdk_rpc_construct_virtio_dev, SPDK_RPC_RUNTIME);