[mirror_ubuntu-bionic-kernel.git] / drivers / target / target_core_file.h

#ifndef TARGET_CORE_FILE_H
#define TARGET_CORE_FILE_H

#include <target/target_core_base.h>

#define FD_VERSION		"4.0"

#define FD_MAX_DEV_NAME		256
#define FD_MAX_DEV_PROT_NAME	FD_MAX_DEV_NAME + 16
#define FD_DEVICE_QUEUE_DEPTH	32
#define FD_MAX_DEVICE_QUEUE_DEPTH 128
#define FD_BLOCKSIZE		512
/*
 * Limited by the number of iovecs (2048) per vfs_[writev,readv] call
 */
#define FD_MAX_BYTES		8388608

#define RRF_EMULATE_CDB		0x01
#define RRF_GOT_LBA		0x02

#define FBDF_HAS_PATH		0x01
#define FBDF_HAS_SIZE		0x02
#define FDBD_HAS_BUFFERED_IO_WCE 0x04
#define FDBD_FORMAT_UNIT_SIZE	2048

struct fd_dev {
	struct se_device dev;

	u32		fbd_flags;
	unsigned char	fd_dev_name[FD_MAX_DEV_NAME];
	/* Unique Ramdisk Device ID in Ramdisk HBA */
	u32		fd_dev_id;
	/* Number of SG tables in sg_table_array */
	u32		fd_table_count;
	u32		fd_queue_depth;
	u32		fd_block_size;
	unsigned long long fd_dev_size;
	struct file	*fd_file;
	struct file	*fd_prot_file;
	/* FILEIO HBA device is connected to */
	struct fd_host *fd_host;
} ____cacheline_aligned;

struct fd_host {
	u32		fd_host_dev_id_count;
	/* Unique FILEIO Host ID */
	u32		fd_host_id;
} ____cacheline_aligned;

#endif /* TARGET_CORE_FILE_H */
Commit	Line	Data
c66ac9db NB	1	#ifndef TARGET_CORE_FILE_H
	2	#define TARGET_CORE_FILE_H
	3
8dcf07be BVA	4	#include <target/target_core_base.h>
8dcf07be BVA	5
c66ac9db NB	6	#define FD_VERSION "4.0"
	7
	8	#define FD_MAX_DEV_NAME 256
0f5e2ec4	9	#define FD_MAX_DEV_PROT_NAME FD_MAX_DEV_NAME + 16
c66ac9db NB	10	#define FD_DEVICE_QUEUE_DEPTH 32
	11	#define FD_MAX_DEVICE_QUEUE_DEPTH 128
	12	#define FD_BLOCKSIZE 512
95cadace NB	13	/*
	14	* Limited by the number of iovecs (2048) per vfs_[writev,readv] call
	15	*/
	16	#define FD_MAX_BYTES 8388608
c66ac9db NB	17
	18	#define RRF_EMULATE_CDB 0x01
	19	#define RRF_GOT_LBA 0x02
	20
c66ac9db NB	21	#define FBDF_HAS_PATH 0x01
c66ac9db NB	22	#define FBDF_HAS_SIZE 0x02
b32f4c7e	23	#define FDBD_HAS_BUFFERED_IO_WCE 0x04
0f5e2ec4 NB	24	#define FDBD_FORMAT_UNIT_SIZE 2048
0f5e2ec4 NB	25
c66ac9db	26	struct fd_dev {
0fd97ccf CH	27	struct se_device dev;
0fd97ccf CH	28
c66ac9db NB	29	u32 fbd_flags;
	30	unsigned char fd_dev_name[FD_MAX_DEV_NAME];
	31	/* Unique Ramdisk Device ID in Ramdisk HBA */
	32	u32 fd_dev_id;
	33	/* Number of SG tables in sg_table_array */
	34	u32 fd_table_count;
	35	u32 fd_queue_depth;
	36	u32 fd_block_size;
	37	unsigned long long fd_dev_size;
	38	struct file *fd_file;
0f5e2ec4	39	struct file *fd_prot_file;
c66ac9db NB	40	/* FILEIO HBA device is connected to */
	41	struct fd_host *fd_host;
	42	} ____cacheline_aligned;
	43
	44	struct fd_host {
	45	u32 fd_host_dev_id_count;
	46	/* Unique FILEIO Host ID */
	47	u32 fd_host_id;
	48	} ____cacheline_aligned;
	49
	50	#endif /* TARGET_CORE_FILE_H */