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[SCSI] iscsi: add iscsi host helpers

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This finishes the host/session unbinding, by adding some helpers
to add and remove hosts and the session they manage.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Mike Christie
2008-05-21 15:54:00 -05:00
committed by James Bottomley
parent 756135215e
commit a4804cd6eb
6 changed files with 99 additions and 31 deletions
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11
include/scsi/libiscsi.h
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@ -32,6 +32,7 @@
#include <scsi/iscsi_if.h>
struct scsi_transport_template;
struct scsi_host_template;
struct scsi_device;
struct Scsi_Host;
struct scsi_cmnd;
@ -41,6 +42,7 @@ struct iscsi_cls_session;
struct iscsi_cls_conn;
struct iscsi_session;
struct iscsi_nopin;
struct device;
/* #define DEBUG_SCSI */
#ifdef DEBUG_SCSI
@ -311,6 +313,8 @@ struct iscsi_host {
char local_address[ISCSI_ADDRESS_BUF_LEN];
};
#define iscsi_host_priv(_shost) \
(shost_priv(_shost) + sizeof(struct iscsi_host))
/*
* scsi host template
*/
@ -330,8 +334,11 @@ extern int iscsi_host_set_param(struct Scsi_Host *shost,
int buflen);
extern int iscsi_host_get_param(struct Scsi_Host *shost,
enum iscsi_host_param param, char *buf);
extern void iscsi_host_setup(struct Scsi_Host *shost, uint16_t qdepth);
extern void iscsi_host_teardown(struct Scsi_Host *shost);
extern int iscsi_host_add(struct Scsi_Host *shost, struct device *pdev);
extern struct Scsi_Host *iscsi_host_alloc(struct scsi_host_template *sht,
int dd_data_size, uint16_t qdepth);
extern void iscsi_host_remove(struct Scsi_Host *shost);
extern void iscsi_host_free(struct Scsi_Host *shost);
/*
* session management