Commit 424a88a4 authored by Mateusz Kozlowski's avatar Mateusz Kozlowski Committed by Tomasz Zawadzki
Browse files

lib/ftl: Add md_region_setup function 



The flow to setup the region will be using a different API in superblock
v5, separating the common subroutine early.

Change-Id: I3ea6b6a137be87c3dbd6485752a377f30ad1b684
Signed-off-by: default avatarMateusz Kozlowski <mateusz.kozlowski@solidigm.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/19975


Reviewed-by: default avatarBen Walker <ben@nvidia.com>
Reviewed-by: default avatarArtur Paszkiewicz <artur.paszkiewicz@intel.com>
Reviewed-by: default avatarJim Harris <jim.harris@samsung.com>
Community-CI: Mellanox Build Bot
Tested-by: default avatarTomasz Zawadzki <tomasz.zawadzki@intel.com>
parent cb66443b

lib/ftl/base/ftl_base_bdev.c

+16 −9
Original line number Diff line number Diff line
@@ -13,18 +13,30 @@ is_bdev_compatible(struct spdk_ftl_dev *dev, struct spdk_bdev *bdev) 
	return spdk_bdev_get_block_size(bdev) == FTL_BLOCK_SIZE;

}



static void

md_region_setup(struct spdk_ftl_dev *dev, enum ftl_layout_region_type reg_type,

		struct ftl_layout_region *region)

{

	assert(region);

	region->type = reg_type;

	region->mirror_type = FTL_LAYOUT_REGION_TYPE_INVALID;

	region->name = ftl_md_region_name(reg_type);



	region->bdev_desc = dev->base_bdev_desc;

	region->ioch = dev->base_ioch;

	region->vss_blksz = 0;

}



static struct ftl_layout_region *

md_region_create(struct spdk_ftl_dev *dev, enum ftl_layout_region_type reg_type,

		 uint32_t reg_version, size_t entry_size, size_t entry_count)

{

	struct ftl_layout *layout = &dev->layout;

	struct ftl_layout_region *region;

	const char *md_region_name;

	uint64_t data_base_alignment, reg_blks;

	const struct ftl_layout_tracker_bdev_region_props *reg_props;



	assert(reg_type < FTL_LAYOUT_REGION_TYPE_MAX);

	md_region_name = ftl_md_region_name(reg_type);



	/* Allocating a ftl_bitmap requires a 8B input buffer alignment, since we're reusing the global valid map md buffer

	 * this means that each band starting address needs to be aligned too - each device sector takes 1b in the valid map,
@@ -43,19 +55,14 @@ md_region_create(struct spdk_ftl_dev *dev, enum ftl_layout_region_type reg_type, 
	assert(reg_props->blk_offs + reg_blks <= dev->layout.base.total_blocks);



	region = &layout->region[reg_type];

	region->type = reg_type;

	region->mirror_type = FTL_LAYOUT_REGION_TYPE_INVALID;

	region->name = md_region_name;

	md_region_setup(dev, reg_type, region);



	region->current.version = region->prev.version = reg_version;

	region->current.offset = reg_props->blk_offs;

	region->current.blocks = reg_blks;

	region->entry_size = entry_size / FTL_BLOCK_SIZE;

	region->num_entries = entry_count;



	region->bdev_desc = dev->base_bdev_desc;

	region->ioch = dev->base_ioch;

	region->vss_blksz = 0;



	return region;

}