Commit db8a9711 authored by Atul Malakar's avatar Atul Malakar Committed by Tomasz Zawadzki
Browse files

bdev: Add helper function to get IO type strings 



A helper function spdk_bdev_get_io_type_name and
string array g_io_type_strings is added to translate
spdk_bdev_io_type enum to string value.

Change-Id: Ie787eb2c7c170ba2e3ba01d492ca8628a0d4f976
Signed-off-by: default avatarAtul Malakar <a.malakar@samsung.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/23660


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Mellanox Build Bot
Reviewed-by: default avatarJim Harris <jim.harris@samsung.com>
Reviewed-by: default avatarAleksey Marchuk <alexeymar@nvidia.com>
parent ece43e80

include/spdk/bdev.h

+8 −0
Original line number Diff line number Diff line
@@ -574,6 +574,14 @@ int spdk_bdev_set_timeout(struct spdk_bdev_desc *desc, uint64_t timeout_in_sec, 
 */

bool spdk_bdev_io_type_supported(struct spdk_bdev *bdev, enum spdk_bdev_io_type io_type);



/**

 * return the name of an IO type based on the io_type.

 *

 * \param io_type The specific I/O type like read, write, flush, unmap.

 * \return Name of the IO type as a null-terminated string.

 */

const char *spdk_bdev_get_io_type_name(enum spdk_bdev_io_type io_type);



/**

 * Output driver-specific information to a JSON stream.

 *

lib/bdev/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -8,7 +8,7 @@ SPDK_ROOT_DIR := $(abspath $(CURDIR)/../..) 
include $(SPDK_ROOT_DIR)/mk/spdk.common.mk



SO_VER := 15

SO_MINOR := 0

SO_MINOR := 1



C_SRCS = bdev.c bdev_rpc.c bdev_zone.c part.c scsi_nvme.c

C_SRCS-$(CONFIG_VTUNE) += vtune.c

lib/bdev/bdev.c

+33 −0
Original line number Diff line number Diff line
@@ -3704,6 +3704,39 @@ spdk_bdev_io_type_supported(struct spdk_bdev *bdev, enum spdk_bdev_io_type io_ty 
	return supported;

}



static const char *g_io_type_strings[] = {

	[SPDK_BDEV_IO_TYPE_READ] = "read",

	[SPDK_BDEV_IO_TYPE_WRITE] = "write",

	[SPDK_BDEV_IO_TYPE_UNMAP] = "unmap",

	[SPDK_BDEV_IO_TYPE_FLUSH] = "flush",

	[SPDK_BDEV_IO_TYPE_RESET] = "reset",

	[SPDK_BDEV_IO_TYPE_NVME_ADMIN] = "nvme_admin",

	[SPDK_BDEV_IO_TYPE_NVME_IO] = "nvme_io",

	[SPDK_BDEV_IO_TYPE_NVME_IO_MD] = "nvme_io_md",

	[SPDK_BDEV_IO_TYPE_WRITE_ZEROES] = "write_zeroes",

	[SPDK_BDEV_IO_TYPE_ZCOPY] = "zcopy",

	[SPDK_BDEV_IO_TYPE_GET_ZONE_INFO] = "get_zone_info",

	[SPDK_BDEV_IO_TYPE_ZONE_MANAGEMENT] = "zone_management",

	[SPDK_BDEV_IO_TYPE_ZONE_APPEND] = "zone_append",

	[SPDK_BDEV_IO_TYPE_COMPARE] = "compare",

	[SPDK_BDEV_IO_TYPE_COMPARE_AND_WRITE] = "compare_and_write",

	[SPDK_BDEV_IO_TYPE_ABORT] = "abort",

	[SPDK_BDEV_IO_TYPE_SEEK_HOLE] = "seek_hole",

	[SPDK_BDEV_IO_TYPE_SEEK_DATA] = "seek_data",

	[SPDK_BDEV_IO_TYPE_COPY] = "copy",

	[SPDK_BDEV_IO_TYPE_NVME_IOV_MD] = "nvme_iov_md",

};



const char *

spdk_bdev_get_io_type_name(enum spdk_bdev_io_type io_type)

{

	if (io_type <= SPDK_BDEV_IO_TYPE_INVALID || io_type >= SPDK_BDEV_NUM_IO_TYPES) {

		return NULL;

	}



	return g_io_type_strings[io_type];

}



uint64_t

spdk_bdev_io_get_submit_tsc(struct spdk_bdev_io *bdev_io)

{

lib/bdev/spdk_bdev.map

+1 −0
Original line number Diff line number Diff line
@@ -111,6 +111,7 @@ 
	spdk_bdev_get_max_copy;

	spdk_bdev_copy_blocks;

	spdk_bdev_get_nvme_ctratt;

	spdk_bdev_get_io_type_name;



	# Public functions in bdev_module.h

	spdk_bdev_register;