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path: root/drivers/s390/scsi/zfcp_fsf.c
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Diffstat (limited to 'drivers/s390/scsi/zfcp_fsf.c')
-rw-r--r--drivers/s390/scsi/zfcp_fsf.c127
1 files changed, 13 insertions, 114 deletions
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 06760e435259..0bb40c9dbd0c 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -254,14 +254,9 @@ static void zfcp_fsf_status_read_handler(struct zfcp_fsf_req *req)
break;
case FSF_STATUS_READ_NOTIFICATION_LOST:
- if (sr_buf->status_subtype & FSF_STATUS_READ_SUB_ACT_UPDATED)
- zfcp_cfdc_adapter_access_changed(adapter);
if (sr_buf->status_subtype & FSF_STATUS_READ_SUB_INCOMING_ELS)
zfcp_fc_conditional_port_scan(adapter);
break;
- case FSF_STATUS_READ_CFDC_UPDATED:
- zfcp_cfdc_adapter_access_changed(adapter);
- break;
case FSF_STATUS_READ_FEATURE_UPDATE_ALERT:
adapter->adapter_features = sr_buf->payload.word[0];
break;
@@ -935,8 +930,6 @@ static void zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *req)
break;
}
break;
- case FSF_ACCESS_DENIED:
- break;
case FSF_PORT_BOXED:
req->status |= ZFCP_STATUS_FSFREQ_ERROR;
break;
@@ -1090,7 +1083,6 @@ out:
static void zfcp_fsf_send_els_handler(struct zfcp_fsf_req *req)
{
struct zfcp_fsf_ct_els *send_els = req->data;
- struct zfcp_port *port = send_els->port;
struct fsf_qtcb_header *header = &req->qtcb->header;
send_els->status = -EINVAL;
@@ -1120,12 +1112,6 @@ static void zfcp_fsf_send_els_handler(struct zfcp_fsf_req *req)
case FSF_REQUEST_SIZE_TOO_LARGE:
case FSF_RESPONSE_SIZE_TOO_LARGE:
break;
- case FSF_ACCESS_DENIED:
- if (port) {
- zfcp_cfdc_port_denied(port, &header->fsf_status_qual);
- req->status |= ZFCP_STATUS_FSFREQ_ERROR;
- }
- break;
case FSF_SBAL_MISMATCH:
/* should never occur, avoided in zfcp_fsf_send_els */
/* fall through */
@@ -1213,8 +1199,6 @@ int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action)
zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
req->qtcb->bottom.config.feature_selection =
- FSF_FEATURE_CFDC |
- FSF_FEATURE_LUN_SHARING |
FSF_FEATURE_NOTIFICATION_LOST |
FSF_FEATURE_UPDATE_ALERT;
req->erp_action = erp_action;
@@ -1254,8 +1238,6 @@ int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *qdio,
req->handler = zfcp_fsf_exchange_config_data_handler;
req->qtcb->bottom.config.feature_selection =
- FSF_FEATURE_CFDC |
- FSF_FEATURE_LUN_SHARING |
FSF_FEATURE_NOTIFICATION_LOST |
FSF_FEATURE_UPDATE_ALERT;
@@ -1382,10 +1364,6 @@ static void zfcp_fsf_open_port_handler(struct zfcp_fsf_req *req)
switch (header->fsf_status) {
case FSF_PORT_ALREADY_OPEN:
break;
- case FSF_ACCESS_DENIED:
- zfcp_cfdc_port_denied(port, &header->fsf_status_qual);
- req->status |= ZFCP_STATUS_FSFREQ_ERROR;
- break;
case FSF_MAXIMUM_NUMBER_OF_PORTS_EXCEEDED:
dev_warn(&req->adapter->ccw_device->dev,
"Not enough FCP adapter resources to open "
@@ -1568,8 +1546,6 @@ static void zfcp_fsf_open_wka_port_handler(struct zfcp_fsf_req *req)
/* fall through */
case FSF_ADAPTER_STATUS_AVAILABLE:
req->status |= ZFCP_STATUS_FSFREQ_ERROR;
- /* fall through */
- case FSF_ACCESS_DENIED:
wka_port->status = ZFCP_FC_WKA_PORT_OFFLINE;
break;
case FSF_GOOD:
@@ -1689,9 +1665,6 @@ static void zfcp_fsf_close_physical_port_handler(struct zfcp_fsf_req *req)
zfcp_erp_adapter_reopen(port->adapter, 0, "fscpph1");
req->status |= ZFCP_STATUS_FSFREQ_ERROR;
break;
- case FSF_ACCESS_DENIED:
- zfcp_cfdc_port_denied(port, &header->fsf_status_qual);
- break;
case FSF_PORT_BOXED:
/* can't use generic zfcp_erp_modify_port_status because
* ZFCP_STATUS_COMMON_OPEN must not be reset for the port */
@@ -1777,7 +1750,7 @@ static void zfcp_fsf_open_lun_handler(struct zfcp_fsf_req *req)
struct scsi_device *sdev = req->data;
struct zfcp_scsi_dev *zfcp_sdev;
struct fsf_qtcb_header *header = &req->qtcb->header;
- struct fsf_qtcb_bottom_support *bottom = &req->qtcb->bottom.support;
+ union fsf_status_qual *qual = &header->fsf_status_qual;
if (req->status & ZFCP_STATUS_FSFREQ_ERROR)
return;
@@ -1785,9 +1758,7 @@ static void zfcp_fsf_open_lun_handler(struct zfcp_fsf_req *req)
zfcp_sdev = sdev_to_zfcp(sdev);
atomic_clear_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED |
- ZFCP_STATUS_COMMON_ACCESS_BOXED |
- ZFCP_STATUS_LUN_SHARED |
- ZFCP_STATUS_LUN_READONLY,
+ ZFCP_STATUS_COMMON_ACCESS_BOXED,
&zfcp_sdev->status);
switch (header->fsf_status) {
@@ -1797,10 +1768,6 @@ static void zfcp_fsf_open_lun_handler(struct zfcp_fsf_req *req)
/* fall through */
case FSF_LUN_ALREADY_OPEN:
break;
- case FSF_ACCESS_DENIED:
- zfcp_cfdc_lun_denied(sdev, &header->fsf_status_qual);
- req->status |= ZFCP_STATUS_FSFREQ_ERROR;
- break;
case FSF_PORT_BOXED:
zfcp_erp_set_port_status(zfcp_sdev->port,
ZFCP_STATUS_COMMON_ACCESS_BOXED);
@@ -1809,7 +1776,17 @@ static void zfcp_fsf_open_lun_handler(struct zfcp_fsf_req *req)
req->status |= ZFCP_STATUS_FSFREQ_ERROR;
break;
case FSF_LUN_SHARING_VIOLATION:
- zfcp_cfdc_lun_shrng_vltn(sdev, &header->fsf_status_qual);
+ if (qual->word[0])
+ dev_warn(&zfcp_sdev->port->adapter->ccw_device->dev,
+ "LUN 0x%Lx on port 0x%Lx is already in "
+ "use by CSS%d, MIF Image ID %x\n",
+ zfcp_scsi_dev_lun(sdev),
+ (unsigned long long)zfcp_sdev->port->wwpn,
+ qual->fsf_queue_designator.cssid,
+ qual->fsf_queue_designator.hla);
+ zfcp_erp_set_lun_status(sdev,
+ ZFCP_STATUS_COMMON_ERP_FAILED |
+ ZFCP_STATUS_COMMON_ACCESS_DENIED);
req->status |= ZFCP_STATUS_FSFREQ_ERROR;
break;
case FSF_MAXIMUM_NUMBER_OF_LUNS_EXCEEDED:
@@ -1837,7 +1814,6 @@ static void zfcp_fsf_open_lun_handler(struct zfcp_fsf_req *req)
case FSF_GOOD:
zfcp_sdev->lun_handle = header->lun_handle;
atomic_set_mask(ZFCP_STATUS_COMMON_OPEN, &zfcp_sdev->status);
- zfcp_cfdc_open_lun_eval(sdev, bottom);
break;
}
}
@@ -2065,10 +2041,6 @@ static void zfcp_fsf_fcp_handler_common(struct zfcp_fsf_req *req)
case FSF_SERVICE_CLASS_NOT_SUPPORTED:
zfcp_fsf_class_not_supp(req);
break;
- case FSF_ACCESS_DENIED:
- zfcp_cfdc_lun_denied(sdev, &header->fsf_status_qual);
- req->status |= ZFCP_STATUS_FSFREQ_ERROR;
- break;
case FSF_DIRECTION_INDICATOR_NOT_VALID:
dev_err(&req->adapter->ccw_device->dev,
"Incorrect direction %d, LUN 0x%016Lx on port "
@@ -2369,79 +2341,6 @@ out:
return req;
}
-static void zfcp_fsf_control_file_handler(struct zfcp_fsf_req *req)
-{
-}
-
-/**
- * zfcp_fsf_control_file - control file upload/download
- * @adapter: pointer to struct zfcp_adapter
- * @fsf_cfdc: pointer to struct zfcp_fsf_cfdc
- * Returns: on success pointer to struct zfcp_fsf_req, NULL otherwise
- */
-struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter,
- struct zfcp_fsf_cfdc *fsf_cfdc)
-{
- struct zfcp_qdio *qdio = adapter->qdio;
- struct zfcp_fsf_req *req = NULL;
- struct fsf_qtcb_bottom_support *bottom;
- int retval = -EIO;
- u8 direction;
-
- if (!(adapter->adapter_features & FSF_FEATURE_CFDC))
- return ERR_PTR(-EOPNOTSUPP);
-
- switch (fsf_cfdc->command) {
- case FSF_QTCB_DOWNLOAD_CONTROL_FILE:
- direction = SBAL_SFLAGS0_TYPE_WRITE;
- break;
- case FSF_QTCB_UPLOAD_CONTROL_FILE:
- direction = SBAL_SFLAGS0_TYPE_READ;
- break;
- default:
- return ERR_PTR(-EINVAL);
- }
-
- spin_lock_irq(&qdio->req_q_lock);
- if (zfcp_qdio_sbal_get(qdio))
- goto out;
-
- req = zfcp_fsf_req_create(qdio, fsf_cfdc->command, direction, NULL);
- if (IS_ERR(req)) {
- retval = -EPERM;
- goto out;
- }
-
- req->handler = zfcp_fsf_control_file_handler;
-
- bottom = &req->qtcb->bottom.support;
- bottom->operation_subtype = FSF_CFDC_OPERATION_SUBTYPE;
- bottom->option = fsf_cfdc->option;
-
- retval = zfcp_qdio_sbals_from_sg(qdio, &req->qdio_req, fsf_cfdc->sg);
-
- if (retval ||
- (zfcp_qdio_real_bytes(fsf_cfdc->sg) != ZFCP_CFDC_MAX_SIZE)) {
- zfcp_fsf_req_free(req);
- retval = -EIO;
- goto out;
- }
- zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
- if (zfcp_adapter_multi_buffer_active(adapter))
- zfcp_qdio_set_scount(qdio, &req->qdio_req);
-
- zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT);
- retval = zfcp_fsf_req_send(req);
-out:
- spin_unlock_irq(&qdio->req_q_lock);
-
- if (!retval) {
- wait_for_completion(&req->completion);
- return req;
- }
- return ERR_PTR(retval);
-}
-
/**
* zfcp_fsf_reqid_check - validate req_id contained in SBAL returned by QDIO
* @adapter: pointer to struct zfcp_adapter
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-13 05:55:18 +0000