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path: root/drivers/scsi/be2iscsi/be_iscsi.c
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Diffstat (limited to 'drivers/scsi/be2iscsi/be_iscsi.c')
-rw-r--r--drivers/scsi/be2iscsi/be_iscsi.c136
1 files changed, 105 insertions, 31 deletions
diff --git a/drivers/scsi/be2iscsi/be_iscsi.c b/drivers/scsi/be2iscsi/be_iscsi.c
index d587b0362f18..29a3aaf35f9f 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
@@ -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, 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);
@@ -378,6 +410,7 @@ int beiscsi_conn_start(struct iscsi_cls_conn *cls_conn)
struct beiscsi_endpoint *beiscsi_ep;
struct beiscsi_offload_params params;
+ 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)
@@ -422,8 +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");
@@ -431,15 +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_invalidate_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;
}
/**
@@ -459,14 +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);
}
/**
@@ -495,9 +561,9 @@ beiscsi_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
return ERR_PTR(ret);
}
- if (phba->state) {
+ if (phba->state != BE_ADAPTER_UP) {
ret = -EBUSY;
- SE_DEBUG(DBG_LVL_1, "The Adapet state is Not UP \n");
+ SE_DEBUG(DBG_LVL_1, "The Adapter state is Not UP \n");
return ERR_PTR(ret);
}
@@ -509,9 +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;
}
@@ -519,7 +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);
}
@@ -546,20 +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;
}
@@ -574,19 +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);
}
/**
@@ -619,23 +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);
+ } 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);
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-29 20:09:24 +0300