diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c index d28c55ae9f01..d904625afd40 100644 --- a/drivers/s390/scsi/zfcp_dbf.c +++ b/drivers/s390/scsi/zfcp_dbf.c @@ -4,7 +4,7 @@ * * Debug traces for zfcp. * - * Copyright IBM Corp. 2002, 2020 + * Copyright IBM Corp. 2002, 2023 */ #define KMSG_COMPONENT "zfcp" @@ -145,6 +145,48 @@ void zfcp_dbf_hba_fsf_fces(char *tag, const struct zfcp_fsf_req *req, u64 wwpn, spin_unlock_irqrestore(&dbf->hba_lock, flags); } +/** + * zfcp_dbf_hba_fsf_reqid - trace only the tag and a request ID + * @tag: tag documenting the source + * @level: trace level + * @adapter: adapter instance the request ID belongs to + * @req_id: the request ID to trace + */ +void zfcp_dbf_hba_fsf_reqid(const char *const tag, const int level, + struct zfcp_adapter *const adapter, + const u64 req_id) +{ + struct zfcp_dbf *const dbf = adapter->dbf; + struct zfcp_dbf_hba *const rec = &dbf->hba_buf; + struct zfcp_dbf_hba_res *const res = &rec->u.res; + unsigned long flags; + + if (unlikely(!debug_level_enabled(dbf->hba, level))) + return; + + spin_lock_irqsave(&dbf->hba_lock, flags); + memset(rec, 0, sizeof(*rec)); + + memcpy(rec->tag, tag, ZFCP_DBF_TAG_LEN); + + rec->id = ZFCP_DBF_HBA_RES; + rec->fsf_req_id = req_id; + rec->fsf_req_status = ~0u; + rec->fsf_cmd = ~0u; + rec->fsf_seq_no = ~0u; + + res->req_issued = ~0ull; + res->prot_status = ~0u; + memset(res->prot_status_qual, 0xff, sizeof(res->prot_status_qual)); + res->fsf_status = ~0u; + memset(res->fsf_status_qual, 0xff, sizeof(res->fsf_status_qual)); + res->port_handle = ~0u; + res->lun_handle = ~0u; + + debug_event(dbf->hba, level, rec, sizeof(*rec)); + spin_unlock_irqrestore(&dbf->hba_lock, flags); +} + /** * zfcp_dbf_hba_fsf_uss - trace event for an unsolicited status buffer * @tag: tag indicating which kind of unsolicited status has been received diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h index c302cbb18a55..9f5152b42b0e 100644 --- a/drivers/s390/scsi/zfcp_ext.h +++ b/drivers/s390/scsi/zfcp_ext.h @@ -4,7 +4,7 @@ * * External function declarations. * - * Copyright IBM Corp. 2002, 2020 + * Copyright IBM Corp. 2002, 2023 */ #ifndef ZFCP_EXT_H @@ -46,6 +46,9 @@ extern void zfcp_dbf_hba_fsf_res(char *, int, struct zfcp_fsf_req *); extern void zfcp_dbf_hba_fsf_fces(char *tag, const struct zfcp_fsf_req *req, u64 wwpn, u32 fc_security_old, u32 fc_security_new); +extern void zfcp_dbf_hba_fsf_reqid(const char *const tag, const int level, + struct zfcp_adapter *const adapter, + const u64 req_id); extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *); extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **); extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32); diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index 71eabcc26cbb..ceed1b6f7cb6 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -4,7 +4,7 @@ * * Implementation of FSF commands. * - * Copyright IBM Corp. 2002, 2020 + * Copyright IBM Corp. 2002, 2023 */ #define KMSG_COMPONENT "zfcp" @@ -892,8 +892,11 @@ static int zfcp_fsf_req_send(struct zfcp_fsf_req *req) req->issued = get_tod_clock(); if (zfcp_qdio_send(qdio, &req->qdio_req)) { del_timer_sync(&req->timer); + /* lookup request again, list might have changed */ - zfcp_reqlist_find_rm(adapter->req_list, req_id); + if (zfcp_reqlist_find_rm(adapter->req_list, req_id) == NULL) + zfcp_dbf_hba_fsf_reqid("fsrsrmf", 1, adapter, req_id); + zfcp_erp_adapter_reopen(adapter, 0, "fsrs__1"); return -EIO; }