cregit-Linux how code gets into the kernel

Release 4.11 drivers/target/loopback/tcm_loop.h

#include <linux/types.h>
#include <linux/device.h>
#include <target/target_core_base.h> /* struct se_cmd */


#define TCM_LOOP_VERSION		"v2.1-rc2"

#define TL_WWN_ADDR_LEN			256

#define TL_TPGS_PER_HBA			32


struct tcm_loop_cmd {
	/* State of Linux/SCSI CDB+Data descriptor */
	
u32 sc_cmd_state;
	/* Tagged command queueing */
	
u32 sc_cmd_tag;
	/* Pointer to the CDB+Data descriptor from Linux/SCSI subsystem */
	
struct scsi_cmnd *sc;
	/* The TCM I/O descriptor that is accessed via container_of() */
	
struct se_cmd tl_se_cmd;
	
struct work_struct work;
	/* Sense buffer that will be mapped into outgoing status */
	
unsigned char tl_sense_buf[TRANSPORT_SENSE_BUFFER];
};


struct tcm_loop_tmr {
	
atomic_t tmr_complete;
	
wait_queue_head_t tl_tmr_wait;
};


struct tcm_loop_nexus {
	/*
         * Pointer to TCM session for I_T Nexus
         */
	
struct se_session *se_sess;
};


#define TCM_TRANSPORT_ONLINE 0

#define TCM_TRANSPORT_OFFLINE 1


struct tcm_loop_tpg {
	
unsigned short tl_tpgt;
	
unsigned short tl_transport_status;
	
enum target_prot_type tl_fabric_prot_type;
	
atomic_t tl_tpg_port_count;
	
struct se_portal_group tl_se_tpg;
	
struct tcm_loop_hba *tl_hba;
	
struct tcm_loop_nexus *tl_nexus;
};


struct tcm_loop_hba {
	
u8 tl_proto_id;
	
unsigned char tl_wwn_address[TL_WWN_ADDR_LEN];
	
struct se_hba_s *se_hba;
	
struct se_lun *tl_hba_lun;
	
struct se_port *tl_hba_lun_sep;
	
struct device dev;
	
struct Scsi_Host *sh;
	
struct tcm_loop_tpg tl_hba_tpgs[TL_TPGS_PER_HBA];
	
struct se_wwn tl_hba_wwn;
};

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PersonTokensPropCommitsCommitProp
Nicholas Bellinger13779.65%337.50%
Hannes Reinecke2112.21%337.50%
Bart Van Assche105.81%112.50%
Christoph Hellwig42.33%112.50%
Total172100.00%8100.00%
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