Commit 9b3ae37f authored Jul 05, 2019 by Wojciech Malikowski Committed by Jim Harris Sep 24, 2019

lib/bdev: Added spdk_bdev_is_zoned() to bdev interface



This patch is entry point for extending bdev
interface to support devices with zoned namespace
semantics.

spdk_bdev_is_zoned() will allow user to check if
bdev is zoned bdev.

Change-Id: Id9ea9898d406d1d942bf3081b00ebcb574ac2b5e
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/460641


Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Maciej Szwed <maciej.szwed@intel.com>

parent 099489b2

include/spdk/bdev.h

+8 −0

Original line number	Diff line number	Diff line
		@@ -495,6 +495,14 @@ bool spdk_bdev_is_md_interleaved(const struct spdk_bdev *bdev);
		*/
		bool spdk_bdev_is_md_separate(const struct spdk_bdev *bdev);

		/**
		* Checks if bdev supports zoned namespace semantics.
		*
		* \param bdev Block device to query.
		* \return true if device supports zoned namespace sementics.
		*/
		bool spdk_bdev_is_zoned(const struct spdk_bdev *bdev);

		/**
		* Get block device data block size.
		*

include/spdk/bdev_module.h

+5 −0

Original line number	Diff line number	Diff line
		@@ -334,6 +334,11 @@ struct spdk_bdev {
		*/
		uint32_t dif_check_flags;

		/**
		* Specify whether bdev is zoned device.
		*/
		bool zoned;

		/**
		* Pointer to the bdev module that registered this bdev.
		*/

lib/bdev/bdev.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -2520,6 +2520,12 @@ spdk_bdev_is_md_separate(const struct spdk_bdev *bdev)
		return (bdev->md_len != 0) && !bdev->md_interleave;
		}

		bool
		spdk_bdev_is_zoned(const struct spdk_bdev *bdev)
		{
		return bdev->zoned;
		}

		uint32_t
		spdk_bdev_get_data_block_size(const struct spdk_bdev *bdev)
		{