cregit-Linux how code gets into the kernel

Release 4.14 drivers/target/target_core_rd.h

Directory: drivers/target
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef TARGET_CORE_RD_H

#define TARGET_CORE_RD_H

#include <linux/module.h>
#include <linux/types.h>
#include <target/target_core_base.h>


#define RD_HBA_VERSION		"v4.0"

#define RD_MCP_VERSION		"4.0"

/* Largest piece of memory kmalloc can allocate */

#define RD_MAX_ALLOCATION_SIZE	65536

#define RD_DEVICE_QUEUE_DEPTH	32

#define RD_MAX_DEVICE_QUEUE_DEPTH 128

#define RD_BLOCKSIZE		512

/* Used in target_core_init_configfs() for virtual LUN 0 access */
int __init rd_module_init(void);
void rd_module_exit(void);


struct rd_dev_sg_table {
	
u32		page_start_offset;
	
u32		page_end_offset;
	
u32		rd_sg_count;
	
struct scatterlist *sg_table;

} ____cacheline_aligned;


#define RDF_HAS_PAGE_COUNT	0x01

#define RDF_NULLIO		0x02


struct rd_dev {
	
struct se_device dev;
	
u32		rd_flags;
	/* Unique Ramdisk Device ID in Ramdisk HBA */
	
u32		rd_dev_id;
	/* Total page count for ramdisk device */
	
u32		rd_page_count;
	/* Number of SG tables in sg_table_array */
	
u32		sg_table_count;
	/* Number of SG tables in sg_prot_array */
	
u32		sg_prot_count;
	/* Array of rd_dev_sg_table_t containing scatterlists */
	
struct rd_dev_sg_table *sg_table_array;
	/* Array of rd_dev_sg_table containing protection scatterlists */
	
struct rd_dev_sg_table *sg_prot_array;
	/* Ramdisk HBA device is connected to */
	
struct rd_host *rd_host;

} ____cacheline_aligned;


struct rd_host {
	
u32		rd_host_dev_id_count;
	
u32		rd_host_id;		/* Unique Ramdisk Host ID */

} ____cacheline_aligned;

#endif /* TARGET_CORE_RD_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Nicholas Bellinger13290.41%350.00%
Bart Van Assche96.16%116.67%
Christoph Hellwig42.74%116.67%
Greg Kroah-Hartman10.68%116.67%
Total146100.00%6100.00%
Directory: drivers/target
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