diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_qdio.c')
-rw-r--r-- | drivers/s390/scsi/zfcp_qdio.c | 68 |
1 files changed, 15 insertions, 53 deletions
diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c index 06e862d7bc9..24e16ec331d 100644 --- a/drivers/s390/scsi/zfcp_qdio.c +++ b/drivers/s390/scsi/zfcp_qdio.c @@ -229,52 +229,14 @@ zfcp_qdio_handler_error_check(struct zfcp_adapter *adapter, ZFCP_LOG_TRACE("status is" " QDIO_STATUS_OUTBOUND_INT \n"); } - } // if (ZFCP_LOG_CHECK(ZFCP_LOG_LEVEL_TRACE)) + } if (unlikely(status & QDIO_STATUS_LOOK_FOR_ERROR)) { retval = -EIO; - ZFCP_LOG_FLAGS(1, "QDIO_STATUS_LOOK_FOR_ERROR \n"); - ZFCP_LOG_INFO("QDIO problem occurred (status=0x%x, " "qdio_error=0x%x, siga_error=0x%x)\n", status, qdio_error, siga_error); - if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION) { - ZFCP_LOG_FLAGS(2, - "QDIO_STATUS_ACTIVATE_CHECK_CONDITION\n"); - } - if (status & QDIO_STATUS_MORE_THAN_ONE_QDIO_ERROR) { - ZFCP_LOG_FLAGS(2, - "QDIO_STATUS_MORE_THAN_ONE_QDIO_ERROR\n"); - } - if (status & QDIO_STATUS_MORE_THAN_ONE_SIGA_ERROR) { - ZFCP_LOG_FLAGS(2, - "QDIO_STATUS_MORE_THAN_ONE_SIGA_ERROR\n"); - } - - if (siga_error & QDIO_SIGA_ERROR_ACCESS_EXCEPTION) { - ZFCP_LOG_FLAGS(2, "QDIO_SIGA_ERROR_ACCESS_EXCEPTION\n"); - } - - if (siga_error & QDIO_SIGA_ERROR_B_BIT_SET) { - ZFCP_LOG_FLAGS(2, "QDIO_SIGA_ERROR_B_BIT_SET\n"); - } - - switch (qdio_error) { - case 0: - ZFCP_LOG_FLAGS(3, "QDIO_OK"); - break; - case SLSB_P_INPUT_ERROR: - ZFCP_LOG_FLAGS(1, "SLSB_P_INPUT_ERROR\n"); - break; - case SLSB_P_OUTPUT_ERROR: - ZFCP_LOG_FLAGS(1, "SLSB_P_OUTPUT_ERROR\n"); - break; - default: - ZFCP_LOG_NORMAL("bug: unknown QDIO error 0x%x\n", - qdio_error); - break; - } /* Restarting IO on the failed adapter from scratch */ debug_text_event(adapter->erp_dbf, 1, "qdio_err"); /* @@ -484,37 +446,37 @@ int zfcp_qdio_reqid_check(struct zfcp_adapter *adapter, void *sbale_addr) { struct zfcp_fsf_req *fsf_req; - int retval = 0; /* invalid (per convention used in this driver) */ if (unlikely(!sbale_addr)) { ZFCP_LOG_NORMAL("bug: invalid reqid\n"); - retval = -EINVAL; - goto out; + return -EINVAL; } /* valid request id and thus (hopefully :) valid fsf_req address */ fsf_req = (struct zfcp_fsf_req *) sbale_addr; + /* serialize with zfcp_fsf_req_dismiss_all */ + spin_lock(&adapter->fsf_req_list_lock); + if (list_empty(&adapter->fsf_req_list_head)) { + spin_unlock(&adapter->fsf_req_list_lock); + return 0; + } + list_del(&fsf_req->list); + atomic_dec(&adapter->fsf_reqs_active); + spin_unlock(&adapter->fsf_req_list_lock); + if (unlikely(adapter != fsf_req->adapter)) { ZFCP_LOG_NORMAL("bug: invalid reqid (fsf_req=%p, " "fsf_req->adapter=%p, adapter=%p)\n", fsf_req, fsf_req->adapter, adapter); - retval = -EINVAL; - goto out; - } - - ZFCP_LOG_TRACE("fsf_req at %p, QTCB at %p\n", fsf_req, fsf_req->qtcb); - if (likely(fsf_req->qtcb)) { - ZFCP_LOG_TRACE("hex dump of QTCB:\n"); - ZFCP_HEX_DUMP(ZFCP_LOG_LEVEL_TRACE, (char *) fsf_req->qtcb, - sizeof(struct fsf_qtcb)); + return -EINVAL; } /* finish the FSF request */ zfcp_fsf_req_complete(fsf_req); - out: - return retval; + + return 0; } /** |