zfcp_fsf.c (92953c6e0aa77d4febcca6dd691e8192910c8a28) zfcp_fsf.c (7e418833e68948cb9ed15262889173b7db2960cb)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * zfcp device driver
4 *
5 * Implementation of FSF commands.
6 *
7 * Copyright IBM Corp. 2002, 2018
8 */
9
10#define KMSG_COMPONENT "zfcp"
11#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
12
13#include <linux/blktrace_api.h>
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * zfcp device driver
4 *
5 * Implementation of FSF commands.
6 *
7 * Copyright IBM Corp. 2002, 2018
8 */
9
10#define KMSG_COMPONENT "zfcp"
11#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
12
13#include <linux/blktrace_api.h>
14#include <linux/jiffies.h>
14#include <linux/types.h>
15#include <linux/slab.h>
16#include <scsi/fc/fc_els.h>
17#include "zfcp_ext.h"
18#include "zfcp_fc.h"
19#include "zfcp_dbf.h"
20#include "zfcp_qdio.h"
21#include "zfcp_reqlist.h"
15#include <linux/types.h>
16#include <linux/slab.h>
17#include <scsi/fc/fc_els.h>
18#include "zfcp_ext.h"
19#include "zfcp_fc.h"
20#include "zfcp_dbf.h"
21#include "zfcp_qdio.h"
22#include "zfcp_reqlist.h"
23#include "zfcp_diag.h"
22
23/* timeout for FSF requests sent during scsi_eh: abort or FCP TMF */
24#define ZFCP_FSF_SCSI_ER_TIMEOUT (10*HZ)
25/* timeout for: exchange config/port data outside ERP, or open/close WKA port */
26#define ZFCP_FSF_REQUEST_TIMEOUT (60*HZ)
27
28struct kmem_cache *zfcp_fsf_qtcb_cache;
29

--- 620 unchanged lines hidden (view full) ---

650 memcpy(fc_host_supported_fc4s(shost), bottom->supported_fc4_types,
651 FC_FC4_LIST_SIZE);
652 memcpy(fc_host_active_fc4s(shost), bottom->active_fc4_types,
653 FC_FC4_LIST_SIZE);
654}
655
656static void zfcp_fsf_exchange_port_data_handler(struct zfcp_fsf_req *req)
657{
24
25/* timeout for FSF requests sent during scsi_eh: abort or FCP TMF */
26#define ZFCP_FSF_SCSI_ER_TIMEOUT (10*HZ)
27/* timeout for: exchange config/port data outside ERP, or open/close WKA port */
28#define ZFCP_FSF_REQUEST_TIMEOUT (60*HZ)
29
30struct kmem_cache *zfcp_fsf_qtcb_cache;
31

--- 620 unchanged lines hidden (view full) ---

652 memcpy(fc_host_supported_fc4s(shost), bottom->supported_fc4_types,
653 FC_FC4_LIST_SIZE);
654 memcpy(fc_host_active_fc4s(shost), bottom->active_fc4_types,
655 FC_FC4_LIST_SIZE);
656}
657
658static void zfcp_fsf_exchange_port_data_handler(struct zfcp_fsf_req *req)
659{
660 struct zfcp_diag_header *const diag_hdr =
661 &req->adapter->diagnostics->port_data.header;
658 struct fsf_qtcb *qtcb = req->qtcb;
662 struct fsf_qtcb *qtcb = req->qtcb;
663 struct fsf_qtcb_bottom_port *bottom = &qtcb->bottom.port;
659
660 if (req->status & ZFCP_STATUS_FSFREQ_ERROR)
661 return;
662
663 switch (qtcb->header.fsf_status) {
664 case FSF_GOOD:
664
665 if (req->status & ZFCP_STATUS_FSFREQ_ERROR)
666 return;
667
668 switch (qtcb->header.fsf_status) {
669 case FSF_GOOD:
670 /*
671 * usually we wait with an update till the cache is too old,
672 * but because we have the data available, update it anyway
673 */
674 zfcp_diag_update_xdata(diag_hdr, bottom, false);
675
665 zfcp_fsf_exchange_port_evaluate(req);
666 break;
667 case FSF_EXCHANGE_CONFIG_DATA_INCOMPLETE:
676 zfcp_fsf_exchange_port_evaluate(req);
677 break;
678 case FSF_EXCHANGE_CONFIG_DATA_INCOMPLETE:
679 zfcp_diag_update_xdata(diag_hdr, bottom, true);
668 req->status |= ZFCP_STATUS_FSFREQ_XDATAINCOMPLETE;
669
670 zfcp_fsf_exchange_port_evaluate(req);
671 zfcp_fsf_link_down_info_eval(req,
672 &qtcb->header.fsf_status_qual.link_down_info);
673 break;
674 }
675}

--- 1833 unchanged lines hidden --- 		680 req->status |= ZFCP_STATUS_FSFREQ_XDATAINCOMPLETE;
681
682 zfcp_fsf_exchange_port_evaluate(req);
683 zfcp_fsf_link_down_info_eval(req,
684 &qtcb->header.fsf_status_qual.link_down_info);
685 break;
686 }
687}

--- 1833 unchanged lines hidden ---