kernel ipc cleanup. added and implemented iscsi_ipc callback structure

receive pool for control PDU's per-connection added


git-svn-id: svn://svn.berlios.de/open-iscsi@222 d7303112-9cec-0310-bdd2-e83a94d6c2b6

1 files changed, 87 insertions, 0 deletions

diff --git a/usr/mgmt_ipc.h b/usr/mgmt_ipc.h
new file mode 100644
index 0000000..7c2f7da
--- /dev/null
+++ b/usr/mgmt_ipc.h
@@ -0,0 +1,87 @@
+/*
+ * iSCSI Daemon/Admin Management IPC
+ *
+ * Copyright (C) 2004 Dmitry Yusupov, Alex Aizman
+ * maintained by open-iscsi@googlegroups.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * See the file COPYING included with this distribution for more details.
+ */
+#ifndef MGMT_IPC_H
+#define MGMT_IPC_H
+
+#include "types.h"
+
+#define ISCSIADM_NAMESPACE	"ISCSIADM_ABSTRACT_NAMESPACE"
+
+typedef enum mgmt_ipc_err {
+	MGMT_IPC_OK			= 0,
+	MGMT_IPC_ERR			= 1,
+	MGMT_IPC_ERR_NOT_FOUND		= 2,
+	MGMT_IPC_ERR_NOMEM		= 3,
+	MGMT_IPC_ERR_TCP_FAILURE	= 4,
+	MGMT_IPC_ERR_LOGIN_FAILURE	= 5,
+	MGMT_IPC_ERR_IDBM_FAILURE	= 6,
+	MGMT_IPC_ERR_INVAL		= 7,
+	MGMT_IPC_ERR_TCP_TIMEOUT	= 8,
+	MGMT_IPC_ERR_INTERNAL		= 9,
+	MGMT_IPC_ERR_LOGOUT_FAILURE	= 10,
+	MGMT_IPC_ERR_PDU_TIMEOUT	= 11,
+	MGMT_IPC_ERR_TRANS_NOT_FOUND	= 12,
+} mgmt_ipc_err_e;
+
+typedef enum iscsiadm_cmd {
+	MGMT_IPC_UNKNOWN		= 0,
+	MGMT_IPC_SESSION_LOGIN		= 1,
+	MGMT_IPC_SESSION_LOGOUT		= 2,
+	MGMT_IPC_SESSION_ACTIVELIST	= 3,
+	MGMT_IPC_SESSION_ACTIVESTAT	= 4,
+	MGMT_IPC_CONN_ADD		= 5,
+	MGMT_IPC_CONN_REMOVE		= 6,
+} iscsiadm_cmd_e;
+
+/* IPC Request */
+typedef struct iscsiadm_req {
+	iscsiadm_cmd_e command;
+
+	union {
+		/* messages */
+		struct msg_session {
+			int rid;
+		} session;
+		struct msg_conn {
+			int rid;
+			int cid;
+		} conn;
+	} u;
+} iscsiadm_req_t;
+
+/* IPC Response */
+typedef struct iscsiadm_rsp {
+	iscsiadm_cmd_e command;
+	mgmt_ipc_err_e err;
+
+	union {
+		struct msg_activelist {
+#define MGMT_IPC_ACTIVELIST_MAX		64
+			int sids[MGMT_IPC_ACTIVELIST_MAX];
+			int rids[MGMT_IPC_ACTIVELIST_MAX];
+			int cnt;
+		} activelist;
+	} u;
+} iscsiadm_rsp_t;
+
+int mgmt_ipc_handle(int accept_fd);
+int mgmt_ipc_listen(void);
+void mgmt_ipc_close(int fd);
+
+#endif /* MGMT_IPC_H */