Merge branch 'wip-2.6.34' into old-private-masterarchived-private-master

1 files changed, 116 insertions, 39 deletions

diff --git a/drivers/scsi/be2iscsi/be_iscsi.c b/drivers/scsi/be2iscsi/be_iscsi.c
index 2fd25442cfaf..c3928cb8b042 100644
--- a/drivers/scsi/be2iscsi/be_iscsi.c
+++ b/drivers/scsi/be2iscsi/be_iscsi.c
@@ -1,5 +1,5 @@
 /**
- * Copyright (C) 2005 - 2009 ServerEngines
+ * Copyright (C) 2005 - 2010 ServerEngines
  * All rights reserved.
  *
  * This program is free software; you can redistribute it and/or
@@ -67,11 +67,11 @@ struct iscsi_cls_session *beiscsi_session_create(struct iscsi_endpoint *ep,
                 cmds_max = beiscsi_ep->phba->params.wrbs_per_cxn;
         }
 
-         cls_session = iscsi_session_setup(&beiscsi_iscsi_transport,
-                                           shost, cmds_max,
-                                           sizeof(*beiscsi_sess),
-                                           sizeof(*io_task),
-                                           initial_cmdsn, ISCSI_MAX_TARGET);
+        cls_session = iscsi_session_setup(&beiscsi_iscsi_transport,
+                                          shost, cmds_max,
+                                          sizeof(*beiscsi_sess),
+                                          sizeof(*io_task),
+                                          initial_cmdsn, ISCSI_MAX_TARGET);
         if (!cls_session)
                 return NULL;
         sess = cls_session->dd_data;
@@ -101,6 +101,7 @@ void beiscsi_session_destroy(struct iscsi_cls_session *cls_session)
         struct iscsi_session *sess = cls_session->dd_data;
         struct beiscsi_session *beiscsi_sess = sess->dd_data;
 
+        SE_DEBUG(DBG_LVL_8, "In beiscsi_session_destroy\n");
         pci_pool_destroy(beiscsi_sess->bhs_pool);
         iscsi_session_teardown(cls_session);
 }
@@ -224,6 +225,7 @@ int beiscsi_conn_get_param(struct iscsi_cls_conn *cls_conn,
         struct beiscsi_conn *beiscsi_conn = conn->dd_data;
         int len = 0;
 
+        SE_DEBUG(DBG_LVL_8, "In beiscsi_conn_get_param, param= %d\n", param);
         beiscsi_ep = beiscsi_conn->ep;
         if (!beiscsi_ep) {
                 SE_DEBUG(DBG_LVL_1,
@@ -254,6 +256,7 @@ int beiscsi_set_param(struct iscsi_cls_conn *cls_conn,
         struct iscsi_session *session = conn->session;
         int ret;
 
+        SE_DEBUG(DBG_LVL_8, "In beiscsi_conn_set_param, param= %d\n", param);
         ret = iscsi_set_param(cls_conn, param, buf, buflen);
         if (ret)
                 return ret;
@@ -271,8 +274,8 @@ int beiscsi_set_param(struct iscsi_cls_conn *cls_conn,
                         conn->max_recv_dlength = 65536;
                 break;
         case ISCSI_PARAM_MAX_BURST:
-                if (session->first_burst > 262144)
-                        session->first_burst = 262144;
+                if (session->max_burst > 262144)
+                        session->max_burst = 262144;
                 break;
         default:
                 return 0;
@@ -293,12 +296,41 @@ int beiscsi_get_host_param(struct Scsi_Host *shost,
                            enum iscsi_host_param param, char *buf)
 {
         struct beiscsi_hba *phba = (struct beiscsi_hba *)iscsi_host_priv(shost);
+        struct be_cmd_resp_get_mac_addr *resp;
+        struct be_mcc_wrb *wrb;
+        unsigned int tag, wrb_num;
         int len = 0;
+        unsigned short status, extd_status;
+        struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
 
+        SE_DEBUG(DBG_LVL_8, "In beiscsi_get_host_param, param= %d\n", param);
         switch (param) {
         case ISCSI_HOST_PARAM_HWADDRESS:
-                be_cmd_get_mac_addr(&phba->ctrl, phba->mac_address);
-                len = sysfs_format_mac(buf, phba->mac_address, ETH_ALEN);
+                tag = be_cmd_get_mac_addr(phba);
+                if (!tag) {
+                        SE_DEBUG(DBG_LVL_1, "be_cmd_get_mac_addr Failed \n");
+                        return -1;
+                } else
+                        wait_event_interruptible(phba->ctrl.mcc_wait[tag],
+                                                 phba->ctrl.mcc_numtag[tag]);
+
+                wrb_num = (phba->ctrl.mcc_numtag[tag] & 0x00FF0000) >> 16;
+                extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
+                status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
+                if (status || extd_status) {
+                        SE_DEBUG(DBG_LVL_1, "be_cmd_get_mac_addr Failed"
+                                            " status = %d extd_status = %d \n",
+                                            status, extd_status);
+                        free_mcc_tag(&phba->ctrl, tag);
+                        return -1;
+                } else {
+                        wrb = queue_get_wrb(mccq, wrb_num);
+                        free_mcc_tag(&phba->ctrl, tag);
+                        resp = embedded_payload(wrb);
+                        memcpy(phba->mac_address, resp->mac_address, ETH_ALEN);
+                        len = sysfs_format_mac(buf, phba->mac_address,
+                                               ETH_ALEN);
+                }
                 break;
         default:
                 return iscsi_host_get_param(shost, param, buf);
@@ -377,16 +409,13 @@ int beiscsi_conn_start(struct iscsi_cls_conn *cls_conn)
         struct beiscsi_conn *beiscsi_conn = conn->dd_data;
         struct beiscsi_endpoint *beiscsi_ep;
         struct beiscsi_offload_params params;
-        struct iscsi_session *session = conn->session;
-        struct Scsi_Host *shost = iscsi_session_to_shost(session->cls_session);
-        struct beiscsi_hba *phba = iscsi_host_priv(shost);
 
+        SE_DEBUG(DBG_LVL_8, "In beiscsi_conn_start\n");
         memset(&params, 0, sizeof(struct beiscsi_offload_params));
         beiscsi_ep = beiscsi_conn->ep;
         if (!beiscsi_ep)
                 SE_DEBUG(DBG_LVL_1, "In beiscsi_conn_start , no beiscsi_ep\n");
 
-        free_mgmt_sgl_handle(phba, beiscsi_conn->plogin_sgl_handle);
         beiscsi_conn->login_in_progress = 0;
         beiscsi_set_params_for_offld(beiscsi_conn, &params);
         beiscsi_offload_connection(beiscsi_conn, &params);
@@ -426,8 +455,14 @@ static int beiscsi_open_conn(struct iscsi_endpoint *ep,
 {
         struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
         struct beiscsi_hba *phba = beiscsi_ep->phba;
+        struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
+        struct be_mcc_wrb *wrb;
+        struct tcp_connect_and_offload_out *ptcpcnct_out;
+        unsigned short status, extd_status;
+        unsigned int tag, wrb_num;
         int ret = -1;
 
+        SE_DEBUG(DBG_LVL_8, "In beiscsi_open_conn\n");
         beiscsi_ep->ep_cid = beiscsi_get_cid(phba);
         if (beiscsi_ep->ep_cid == 0xFFFF) {
                 SE_DEBUG(DBG_LVL_1, "No free cid available\n");
@@ -435,15 +470,44 @@ static int beiscsi_open_conn(struct iscsi_endpoint *ep,
         }
         SE_DEBUG(DBG_LVL_8, "In beiscsi_open_conn, ep_cid=%d ",
                  beiscsi_ep->ep_cid);
-        phba->ep_array[beiscsi_ep->ep_cid] = ep;
-        if (beiscsi_ep->ep_cid >
-            (phba->fw_config.iscsi_cid_start + phba->params.cxns_per_ctrl)) {
+        phba->ep_array[beiscsi_ep->ep_cid -
+                       phba->fw_config.iscsi_cid_start] = ep;
+        if (beiscsi_ep->ep_cid > (phba->fw_config.iscsi_cid_start +
+                                  phba->params.cxns_per_ctrl * 2)) {
                 SE_DEBUG(DBG_LVL_1, "Failed in allocate iscsi cid\n");
                 return ret;
         }
 
         beiscsi_ep->cid_vld = 0;
-        return mgmt_open_connection(phba, dst_addr, beiscsi_ep);
+        tag = mgmt_open_connection(phba, dst_addr, beiscsi_ep);
+        if (!tag) {
+                SE_DEBUG(DBG_LVL_1,
+                         "mgmt_open_connection Failed for cid=%d \n",
+                         beiscsi_ep->ep_cid);
+        } else {
+                wait_event_interruptible(phba->ctrl.mcc_wait[tag],
+                                         phba->ctrl.mcc_numtag[tag]);
+        }
+        wrb_num = (phba->ctrl.mcc_numtag[tag] & 0x00FF0000) >> 16;
+        extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
+        status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
+        if (status || extd_status) {
+                SE_DEBUG(DBG_LVL_1, "mgmt_open_connection Failed"
+                                    " status = %d extd_status = %d \n",
+                                    status, extd_status);
+                free_mcc_tag(&phba->ctrl, tag);
+                return -1;
+        } else {
+                wrb = queue_get_wrb(mccq, wrb_num);
+                free_mcc_tag(&phba->ctrl, tag);
+
+                ptcpcnct_out =  embedded_payload(wrb);
+                beiscsi_ep = ep->dd_data;
+                beiscsi_ep->fw_handle = ptcpcnct_out->connection_handle;
+                beiscsi_ep->cid_vld = 1;
+                SE_DEBUG(DBG_LVL_8, "mgmt_open_connection Success\n");
+        }
+        return 0;
 }
 
 /**
@@ -463,14 +527,12 @@ static void beiscsi_put_cid(struct beiscsi_hba *phba, unsigned short cid)
  * beiscsi_free_ep - free endpoint
  * @ep: pointer to iscsi endpoint structure
  */
-static void beiscsi_free_ep(struct iscsi_endpoint *ep)
+static void beiscsi_free_ep(struct beiscsi_endpoint *beiscsi_ep)
 {
-        struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
         struct beiscsi_hba *phba = beiscsi_ep->phba;
 
         beiscsi_put_cid(phba, beiscsi_ep->ep_cid);
         beiscsi_ep->phba = NULL;
-        iscsi_destroy_endpoint(ep);
 }
 
 /**
@@ -498,6 +560,13 @@ beiscsi_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
                 SE_DEBUG(DBG_LVL_1, "shost is NULL \n");
                 return ERR_PTR(ret);
         }
+
+        if (phba->state != BE_ADAPTER_UP) {
+                ret = -EBUSY;
+                SE_DEBUG(DBG_LVL_1, "The Adapter state is Not UP \n");
+                return ERR_PTR(ret);
+        }
+
         ep = iscsi_create_endpoint(sizeof(struct beiscsi_endpoint));
         if (!ep) {
                 ret = -ENOMEM;
@@ -506,9 +575,9 @@ beiscsi_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
 
         beiscsi_ep = ep->dd_data;
         beiscsi_ep->phba = phba;
-
+        beiscsi_ep->openiscsi_ep = ep;
         if (beiscsi_open_conn(ep, NULL, dst_addr, non_blocking)) {
-                SE_DEBUG(DBG_LVL_1, "Failed in allocate iscsi cid\n");
+                SE_DEBUG(DBG_LVL_1, "Failed in beiscsi_open_conn \n");
                 ret = -ENOMEM;
                 goto free_ep;
         }
@@ -516,7 +585,7 @@ beiscsi_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
         return ep;
 
 free_ep:
-        beiscsi_free_ep(ep);
+        beiscsi_free_ep(beiscsi_ep);
         return ERR_PTR(ret);
 }
 
@@ -543,20 +612,22 @@ int beiscsi_ep_poll(struct iscsi_endpoint *ep, int timeout_ms)
  * @ep: The iscsi endpoint
  * @flag: The type of connection closure
  */
-static int beiscsi_close_conn(struct iscsi_endpoint *ep, int flag)
+static int beiscsi_close_conn(struct  beiscsi_endpoint *beiscsi_ep, int flag)
 {
         int ret = 0;
-        struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
+        unsigned int tag;
         struct beiscsi_hba *phba = beiscsi_ep->phba;
 
-        if (MGMT_STATUS_SUCCESS !=
-            mgmt_upload_connection(phba, beiscsi_ep->ep_cid,
-                CONNECTION_UPLOAD_GRACEFUL)) {
+        tag = mgmt_upload_connection(phba, beiscsi_ep->ep_cid, flag);
+        if (!tag) {
                 SE_DEBUG(DBG_LVL_8, "upload failed for cid 0x%x",
                          beiscsi_ep->ep_cid);
                 ret = -1;
+        } else {
+                wait_event_interruptible(phba->ctrl.mcc_wait[tag],
+                                         phba->ctrl.mcc_numtag[tag]);
+                free_mcc_tag(&phba->ctrl, tag);
         }
-
         return ret;
 }
 
@@ -571,19 +642,17 @@ void beiscsi_ep_disconnect(struct iscsi_endpoint *ep)
         struct beiscsi_conn *beiscsi_conn;
         struct beiscsi_endpoint *beiscsi_ep;
         struct beiscsi_hba *phba;
-        int flag = 0;
 
         beiscsi_ep = ep->dd_data;
         phba = beiscsi_ep->phba;
-        SE_DEBUG(DBG_LVL_8, "In beiscsi_ep_disconnect\n");
+        SE_DEBUG(DBG_LVL_8, "In beiscsi_ep_disconnect for ep_cid = %d\n",
+                             beiscsi_ep->ep_cid);
 
         if (beiscsi_ep->conn) {
                 beiscsi_conn = beiscsi_ep->conn;
                 iscsi_suspend_queue(beiscsi_conn->conn);
-                beiscsi_close_conn(ep, flag);
         }
 
-        beiscsi_free_ep(ep);
 }
 
 /**
@@ -616,23 +685,31 @@ void beiscsi_conn_stop(struct iscsi_cls_conn *cls_conn, int flag)
         struct iscsi_session *session = conn->session;
         struct Scsi_Host *shost = iscsi_session_to_shost(session->cls_session);
         struct beiscsi_hba *phba = iscsi_host_priv(shost);
-        unsigned int status;
+        unsigned int tag;
         unsigned short savecfg_flag = CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH;
 
-        SE_DEBUG(DBG_LVL_8, "In beiscsi_conn_stop\n");
         beiscsi_ep = beiscsi_conn->ep;
         if (!beiscsi_ep) {
                 SE_DEBUG(DBG_LVL_8, "In beiscsi_conn_stop , no beiscsi_ep\n");
                 return;
         }
-        status = mgmt_invalidate_connection(phba, beiscsi_ep,
+        SE_DEBUG(DBG_LVL_8, "In beiscsi_conn_stop  ep_cid = %d\n",
+                             beiscsi_ep->ep_cid);
+        tag = mgmt_invalidate_connection(phba, beiscsi_ep,
                                             beiscsi_ep->ep_cid, 1,
                                             savecfg_flag);
-        if (status != MGMT_STATUS_SUCCESS) {
+        if (!tag) {
                 SE_DEBUG(DBG_LVL_1,
                          "mgmt_invalidate_connection Failed for cid=%d \n",
-                         beiscsi_ep->ep_cid);
+                          beiscsi_ep->ep_cid);
+        } else {
+                wait_event_interruptible(phba->ctrl.mcc_wait[tag],
+                                         phba->ctrl.mcc_numtag[tag]);
+                free_mcc_tag(&phba->ctrl, tag);
         }
+        beiscsi_close_conn(beiscsi_ep, CONNECTION_UPLOAD_GRACEFUL);
+        beiscsi_free_ep(beiscsi_ep);
+        iscsi_destroy_endpoint(beiscsi_ep->openiscsi_ep);
         beiscsi_unbind_conn_to_cid(phba, beiscsi_ep->ep_cid);
         iscsi_conn_stop(cls_conn, flag);
 }