[deliverable/linux.git] / drivers / target / target_core_file.h

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