Commit d21ec1f0 authored Aug 21, 2017 by Seth Howell Committed by Daniel Verkamp Aug 22, 2017

lib/nvme: Add spdk_nvme_ns_get_ctrlr to the public api



This can be used in callbacks when a user has a namespace but needs to
call controller specific functions such as alloc_io_qpair.

Change-Id: I00c931e2846e42f540c17f3254fe97a45e9bd079
Signed-off-by: Seth Howell <seth.howell@intel.com>
Reviewed-on: https://review.gerrithub.io/375022


Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>

parent 59f2a376

CHANGELOG.md

+4 −0

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		@@ -29,6 +29,9 @@ into account when splitting I/O requests.
		The HotplugEnable option in `[Nvme]` sections of the configuration file is now
		"No" by default. It was previously "Yes".

		The NVMe library now includes a function spdk_nvme_ns_get_ctrlr which returns the
		NVMe Controller associated with a given namespace.

		### NVMe-oF Target (nvmf)

		The NVMe-oF target no longer requires any in capsule data buffers to run, and
		@@ -42,6 +45,7 @@ additional clarity when constructing spdk_mempools. Previously, -1 could be
		passed and the library would choose a reasonable default, but this new value
		makes it explicit that the default is being used.


		## v17.07: Build system improvements, userspace vhost-blk target, and GPT bdev

		### Build System

include/spdk/nvme.h

+8 −0

Original line number	Diff line number	Diff line
		@@ -847,6 +847,14 @@ const struct spdk_nvme_ns_data spdk_nvme_ns_get_data(struct spdk_nvme_ns ns);
		*/
		uint32_t spdk_nvme_ns_get_id(struct spdk_nvme_ns *ns);

		/**
		* \brief Get the Controller with which this namespace is associated.
		*
		* This function is thread safe and can be called at any point while the controller is attached to
		* the SPDK NVMe driver.
		*/
		struct spdk_nvme_ctrlr spdk_nvme_ns_get_ctrlr(struct spdk_nvme_ns ns);

		/**
		* \brief Determine whether a namespace is active.
		*

lib/nvme/nvme_ns.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -143,6 +143,12 @@ spdk_nvme_ns_is_active(struct spdk_nvme_ns *ns)
		return nsdata->ncap != 0;
		}

		struct spdk_nvme_ctrlr *
		spdk_nvme_ns_get_ctrlr(struct spdk_nvme_ns *ns)
		{
		return ns->ctrlr;
		}

		uint32_t
		spdk_nvme_ns_get_max_io_xfer_size(struct spdk_nvme_ns *ns)
		{