diff --git a/include/spdk/nvme.h b/include/spdk/nvme.h index f2ed4189c..b2d24b94e 100644 --- a/include/spdk/nvme.h +++ b/include/spdk/nvme.h @@ -827,7 +827,8 @@ int spdk_nvme_ctrlr_set_trid(struct spdk_nvme_ctrlr *ctrlr, struct spdk_nvme_tra * This function should be called from a single thread while no other threads * are actively using the NVMe device. * - * Any pointers returned from spdk_nvme_ctrlr_get_ns() and spdk_nvme_ns_get_data() + * Any pointers returned from spdk_nvme_ctrlr_get_ns(), spdk_nvme_ns_get_data(), + * spdk_nvme_zns_ns_get_data(), and spdk_nvme_zns_ctrlr_get_data() * may be invalidated by calling this function. The number of namespaces as returned * by spdk_nvme_ctrlr_get_num_ns() may also change. * @@ -3187,6 +3188,34 @@ int spdk_nvme_map_prps(void *prv, struct spdk_nvme_cmd *cmd, struct iovec *iovs, uint32_t len, size_t mps, void *(*gpa_to_vva)(void *prv, uint64_t addr, uint64_t len)); +/** + * Get the Zoned Namespace Command Set Specific Identify Namespace data + * as defined by the NVMe Zoned Namespace Command Set Specification. + * + * This function is thread safe and can be called at any point while the controller + * is attached to the SPDK NVMe driver. + * + * \param ns Namespace. + * + * \return a pointer to the namespace data, or NULL if the namespace is not + * a Zoned Namespace. + */ +const struct spdk_nvme_zns_ns_data *spdk_nvme_zns_ns_get_data(struct spdk_nvme_ns *ns); + +/** + * Get the Zoned Namespace Command Set Specific Identify Controller data + * as defined by the NVMe Zoned Namespace Command Set Specification. + * + * This function is thread safe and can be called at any point while the controller + * is attached to the SPDK NVMe driver. + * + * \param ctrlr Opaque handle to NVMe controller. + * + * \return pointer to the controller data, or NULL if the controller does not + * support the Zoned Command Set. + */ +const struct spdk_nvme_zns_ctrlr_data *spdk_nvme_zns_ctrlr_get_data(struct spdk_nvme_ctrlr *ctrlr); + /** * Opaque handle for a transport poll group. Used by the transport function table. */ diff --git a/lib/nvme/Makefile b/lib/nvme/Makefile index d64341b94..a468d4078 100644 --- a/lib/nvme/Makefile +++ b/lib/nvme/Makefile @@ -38,7 +38,7 @@ SO_VER := 4 SO_MINOR := 1 C_SRCS = nvme_ctrlr_cmd.c nvme_ctrlr.c nvme_fabric.c nvme_ns_cmd.c nvme_ns.c nvme_pcie.c nvme_qpair.c nvme.c nvme_quirks.c nvme_transport.c nvme_uevent.c nvme_ctrlr_ocssd_cmd.c \ - nvme_ns_ocssd_cmd.c nvme_tcp.c nvme_opal.c nvme_io_msg.c nvme_poll_group.c + nvme_ns_ocssd_cmd.c nvme_tcp.c nvme_opal.c nvme_io_msg.c nvme_poll_group.c nvme_zns.c C_SRCS-$(CONFIG_RDMA) += nvme_rdma.c C_SRCS-$(CONFIG_NVME_CUSE) += nvme_cuse.c diff --git a/lib/nvme/nvme_zns.c b/lib/nvme/nvme_zns.c new file mode 100644 index 000000000..866982ea7 --- /dev/null +++ b/lib/nvme/nvme_zns.c @@ -0,0 +1,45 @@ +/*- + * BSD LICENSE + * + * Copyright (c) 2020, Western Digital Corporation. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "nvme_internal.h" + +const struct spdk_nvme_zns_ns_data * +spdk_nvme_zns_ns_get_data(struct spdk_nvme_ns *ns) +{ + return ns->ctrlr->nsdata_zns[ns->id - 1]; +} + +const struct spdk_nvme_zns_ctrlr_data * +spdk_nvme_zns_ctrlr_get_data(struct spdk_nvme_ctrlr *ctrlr) +{ + return ctrlr->cdata_zns; +} diff --git a/lib/nvme/spdk_nvme.map b/lib/nvme/spdk_nvme.map index 08f98abe9..47b3fdee4 100644 --- a/lib/nvme/spdk_nvme.map +++ b/lib/nvme/spdk_nvme.map @@ -156,6 +156,9 @@ spdk_nvme_map_prps; + spdk_nvme_zns_ns_get_data; + spdk_nvme_zns_ctrlr_get_data; + # public functions from nvme_ocssd.h spdk_nvme_ctrlr_is_ocssd_supported; spdk_nvme_ocssd_ctrlr_cmd_geometry;