diff options
Diffstat (limited to 'include/scsi/libiscsi.h')
| -rw-r--r-- | include/scsi/libiscsi.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h index ba2760802ded..41904f611d12 100644 --- a/include/scsi/libiscsi.h +++ b/include/scsi/libiscsi.h @@ -60,6 +60,7 @@ struct iscsi_nopin; #define TMABORT_SUCCESS 0x1 #define TMABORT_FAILED 0x2 #define TMABORT_TIMEDOUT 0x3 +#define TMABORT_NOT_FOUND 0x4 /* Connection suspend "bit" */ #define ISCSI_SUSPEND_BIT 1 @@ -83,6 +84,12 @@ struct iscsi_mgmt_task { struct list_head running; }; +enum { + ISCSI_TASK_COMPLETED, + ISCSI_TASK_PENDING, + ISCSI_TASK_RUNNING, +}; + struct iscsi_cmd_task { /* * Becuae LLDs allocate their hdr differently, this is a pointer to @@ -101,6 +108,8 @@ struct iscsi_cmd_task { struct iscsi_conn *conn; /* used connection */ struct iscsi_mgmt_task *mtask; /* tmf mtask in progr */ + /* state set/tested under session->lock */ + int state; struct list_head running; /* running cmd list */ void *dd_data; /* driver/transport data */ }; @@ -126,6 +135,14 @@ struct iscsi_conn { int id; /* CID */ struct list_head item; /* maintains list of conns */ int c_stage; /* connection state */ + /* + * Preallocated buffer for pdus that have data but do not + * originate from scsi-ml. We never have two pdus using the + * buffer at the same time. It is only allocated to + * the default max recv size because the pdus we support + * should always fit in this buffer + */ + char *data; struct iscsi_mgmt_task *login_mtask; /* mtask used for login/text */ struct iscsi_mgmt_task *mtask; /* xmit mtask in progress */ struct iscsi_cmd_task *ctask; /* xmit ctask in progress */ @@ -134,7 +151,7 @@ struct iscsi_conn { struct kfifo *immqueue; /* immediate xmit queue */ struct kfifo *mgmtqueue; /* mgmt (control) xmit queue */ struct list_head mgmt_run_list; /* list of control tasks */ - struct kfifo *xmitqueue; /* data-path cmd queue */ + struct list_head xmitqueue; /* data-path cmd queue */ struct list_head run_list; /* list of cmds in progress */ struct work_struct xmitwork; /* per-conn. xmit workqueue */ /* |