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authorMike Christie <michaelc@cs.wisc.edu>2008-05-21 15:53:59 -0500
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-07-12 08:22:16 -0500
commit756135215ec743be6fdce2bdebe8cdb9f8a231f6 (patch)
tree7eb0a5a23731fcd974f9e5e5d136fe6944d4761c /include/scsi
parent32c6e1b9a2e27076b7070a9ec56a9e5437ebd725 (diff)
downloadop-kernel-dev-756135215ec743be6fdce2bdebe8cdb9f8a231f6.zip
op-kernel-dev-756135215ec743be6fdce2bdebe8cdb9f8a231f6.tar.gz
[SCSI] iscsi: remove session and host binding in libiscsi
bnx2i allocates a host per netdevice but will use libiscsi, so this unbinds the session from the host in that code. This will also be useful for the iser parent device dma settings fixes. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'include/scsi')
-rw-r--r--include/scsi/iscsi_if.h7
-rw-r--r--include/scsi/libiscsi.h31
-rw-r--r--include/scsi/scsi_transport_iscsi.h8
3 files changed, 19 insertions, 27 deletions
diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h
index 1883c85..801a677 100644
--- a/include/scsi/iscsi_if.h
+++ b/include/scsi/iscsi_if.h
@@ -310,13 +310,6 @@ enum iscsi_host_param {
#define iscsi_ptr(_handle) ((void*)(unsigned long)_handle)
#define iscsi_handle(_ptr) ((uint64_t)(unsigned long)_ptr)
-#define hostdata_session(_hostdata) (iscsi_ptr(*(unsigned long *)_hostdata))
-
-/**
- * iscsi_hostdata - get LLD hostdata from scsi_host
- * @_hostdata: pointer to scsi host's hostdata
- **/
-#define iscsi_hostdata(_hostdata) ((void*)_hostdata + sizeof(unsigned long))
/*
* These flags presents iSCSI Data-Path capabilities.
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index f24cf02..8a6271c 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -209,9 +209,6 @@ struct iscsi_conn {
/* remote portal currently connected to */
int portal_port;
char portal_address[ISCSI_ADDRESS_BUF_LEN];
- /* local address */
- int local_port;
- char local_address[ISCSI_ADDRESS_BUF_LEN];
/* MIB-statistics */
uint64_t txdata_octets;
@@ -247,6 +244,7 @@ enum {
};
struct iscsi_session {
+ struct iscsi_cls_session *cls_session;
/*
* Syncs up the scsi eh thread with the iscsi eh thread when sending
* task management functions. This must be taken before the session
@@ -282,10 +280,6 @@ struct iscsi_session {
char *password;
char *password_in;
char *targetname;
- char *initiatorname;
- /* hw address or netdev iscsi connection is bound to */
- char *hwaddress;
- char *netdev;
/* control data */
struct iscsi_transport *tt;
struct Scsi_Host *host;
@@ -307,6 +301,16 @@ struct iscsi_session {
struct iscsi_pool mgmtpool; /* Mgmt PDU's pool */
};
+struct iscsi_host {
+ char *initiatorname;
+ /* hw address or netdev iscsi connection is bound to */
+ char *hwaddress;
+ char *netdev;
+ /* local address */
+ int local_port;
+ char local_address[ISCSI_ADDRESS_BUF_LEN];
+};
+
/*
* scsi host template
*/
@@ -326,27 +330,24 @@ 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);
/*
* session management
*/
extern struct iscsi_cls_session *
-iscsi_session_setup(struct iscsi_transport *, struct scsi_transport_template *,
- uint16_t, uint16_t, int, int, uint32_t, uint32_t *);
+iscsi_session_setup(struct iscsi_transport *, struct Scsi_Host *shost,
+ uint16_t, int, int, uint32_t);
extern void iscsi_session_teardown(struct iscsi_cls_session *);
-extern struct iscsi_session *class_to_transport_session(struct iscsi_cls_session *);
extern void iscsi_session_recovery_timedout(struct iscsi_cls_session *);
extern int iscsi_set_param(struct iscsi_cls_conn *cls_conn,
enum iscsi_param param, char *buf, int buflen);
extern int iscsi_session_get_param(struct iscsi_cls_session *cls_session,
enum iscsi_param param, char *buf);
-#define session_to_cls(_sess) \
- hostdata_session(_sess->host->hostdata)
-
#define iscsi_session_printk(prefix, _sess, fmt, a...) \
- iscsi_cls_session_printk(prefix, \
- (struct iscsi_cls_session *)session_to_cls(_sess), fmt, ##a)
+ iscsi_cls_session_printk(prefix, _sess->cls_session, fmt, ##a)
/*
* connection management
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index 7287022..702eda2 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -83,15 +83,13 @@ struct iscsi_transport {
/* LLD sets this to indicate what values it can export to sysfs */
uint64_t param_mask;
uint64_t host_param_mask;
- struct scsi_host_template *host_template;
/* LLD connection data size */
int conndata_size;
/* LLD session data size */
int sessiondata_size;
- int max_lun;
- struct iscsi_cls_session *(*create_session) (struct iscsi_transport *it,
- struct scsi_transport_template *t, struct Scsi_Host *shost,
- uint16_t cmds_max, uint16_t qdepth, uint32_t sn, uint32_t *hn);
+ struct iscsi_cls_session *(*create_session) (struct Scsi_Host *shost,
+ uint16_t cmds_max, uint16_t qdepth,
+ uint32_t sn, uint32_t *hn);
void (*destroy_session) (struct iscsi_cls_session *session);
struct iscsi_cls_conn *(*create_conn) (struct iscsi_cls_session *sess,
uint32_t cid);
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