Line data Source code
1 : /* SPDX-License-Identifier: BSD-3-Clause 2 : * Copyright (C) 2018 Intel Corporation. All rights reserved. 3 : * Copyright (c) 2021 Mellanox Technologies LTD. All rights reserved. 4 : */ 5 : 6 : #include "spdk/nvme_ocssd.h" 7 : #include "nvme_internal.h" 8 : 9 : bool 10 3 : spdk_nvme_ctrlr_is_ocssd_supported(struct spdk_nvme_ctrlr *ctrlr) 11 : { 12 3 : if (ctrlr->quirks & NVME_QUIRK_OCSSD) { 13 : /* TODO: There isn't a standardized way to identify Open-Channel SSD 14 : * different verdors may have different conditions. 15 : */ 16 : 17 : /* 18 : * Current QEMU OpenChannel Device needs to check nsdata->vs[0]. 19 : * Here check nsdata->vs[0] of the first namespace. 20 : */ 21 1 : if (ctrlr->cdata.vid == SPDK_PCI_VID_CNEXLABS) { 22 1 : uint32_t nsid = spdk_nvme_ctrlr_get_first_active_ns(ctrlr); 23 : struct spdk_nvme_ns *ns; 24 : 25 1 : if (nsid == 0) { 26 0 : return false; 27 : } 28 : 29 1 : ns = spdk_nvme_ctrlr_get_ns(ctrlr, nsid); 30 : 31 1 : if (ns && ns->nsdata.vendor_specific[0] == 0x1) { 32 1 : return true; 33 : } 34 : } 35 : } 36 2 : return false; 37 : } 38 : 39 : 40 : int 41 1 : spdk_nvme_ocssd_ctrlr_cmd_geometry(struct spdk_nvme_ctrlr *ctrlr, uint32_t nsid, 42 : void *payload, uint32_t payload_size, 43 : spdk_nvme_cmd_cb cb_fn, void *cb_arg) 44 : { 45 : struct nvme_request *req; 46 : struct spdk_nvme_cmd *cmd; 47 : int rc; 48 : 49 1 : if (!payload || (payload_size != sizeof(struct spdk_ocssd_geometry_data))) { 50 0 : return -EINVAL; 51 : } 52 : 53 1 : nvme_ctrlr_lock(ctrlr); 54 1 : req = nvme_allocate_request_user_copy(ctrlr->adminq, 55 : payload, payload_size, cb_fn, cb_arg, false); 56 1 : if (req == NULL) { 57 0 : nvme_ctrlr_unlock(ctrlr); 58 0 : return -ENOMEM; 59 : } 60 : 61 1 : cmd = &req->cmd; 62 1 : cmd->opc = SPDK_OCSSD_OPC_GEOMETRY; 63 1 : cmd->nsid = nsid; 64 : 65 1 : rc = nvme_ctrlr_submit_admin_request(ctrlr, req); 66 : 67 1 : nvme_ctrlr_unlock(ctrlr); 68 1 : return rc; 69 : }