static void
nvme_qpair_print_command(struct nvme_qpair *qpair, struct nvme_command *cmd)
{
nvme_assert(qpair != NULL, ("qpair can not be NULL"));
nvme_assert(cmd != NULL, ("cmd can not be NULL"));
if (nvme_qpair_is_admin_queue(qpair)) {
nvme_admin_qpair_print_command(qpair, cmd);
} else {
nvme_io_qpair_print_command(qpair, cmd);
}
}
void
nvme_ctrlr_cmd_get_error_page(struct nvme_controller *ctrlr,
struct nvme_error_information_entry *payload, uint32_t num_entries,
nvme_cb_fn_t cb_fn, void *cb_arg)
{
nvme_assert(num_entries > 0, ("%s called with num_entries==0\n", __func__));
/* Controller's error log page entries is 0-based. */
nvme_assert(num_entries <= (ctrlr->cdata.elpe + 1),
("%s called with num_entries=%d but (elpe+1)=%d\n", __func__,
num_entries, ctrlr->cdata.elpe + 1));
if (num_entries > (ctrlr->cdata.elpe + 1))
num_entries = ctrlr->cdata.elpe + 1;
nvme_ctrlr_cmd_get_log_page(ctrlr, NVME_LOG_ERROR,
NVME_GLOBAL_NAMESPACE_TAG, payload, sizeof(*payload) * num_entries,
cb_fn, cb_arg);
}
struct nvme_request *
nvme_allocate_request(void *payload, uint32_t payload_size,
nvme_cb_fn_t cb_fn, void *cb_arg)
{
struct nvme_request *req = NULL;
nvme_alloc_request(&req);
if (req == NULL) {
return req;
}
/*
* Only memset up to (but not including) the children
* TAILQ_ENTRY. children, and following members, are
* only used as part of I/O splitting so we avoid
* memsetting them until it is actually needed.
* They will be initialized in nvme_request_add_child()
* if the request is split.
*/
memset(req, 0, offsetof(struct nvme_request, children));
req->cb_fn = cb_fn;
req->cb_arg = cb_arg;
req->timeout = true;
nvme_assert((payload == NULL && payload_size == 0) ||
(payload != NULL && payload_size != 0),
("Invalid argument combination of payload and payload_size\n"));
if (payload == NULL || payload_size == 0) {
req->u.payload = NULL;
req->payload_size = 0;
} else {
req->u.payload = payload;
req->payload_size = payload_size;
}
return req;
}
void
nvme_free_request(struct nvme_request *req)
{
nvme_assert(req != NULL, ("nvme_free_request(NULL)\n"));
nvme_dealloc_request(req);
}
