diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_dbf.c')
| -rw-r--r-- | drivers/s390/scsi/zfcp_dbf.c | 408 |
1 files changed, 192 insertions, 216 deletions
diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c index 3179b08bda6a..c066428b2878 100644 --- a/drivers/s390/scsi/zfcp_dbf.c +++ b/drivers/s390/scsi/zfcp_dbf.c @@ -120,9 +120,9 @@ static int zfcp_dbf_view_header(debug_info_t *id, struct debug_view *view, return p - out_buf; } -void _zfcp_hba_dbf_event_fsf_response(const char *tag2, int level, - struct zfcp_fsf_req *fsf_req, - struct zfcp_dbf *dbf) +void _zfcp_dbf_hba_fsf_response(const char *tag2, int level, + struct zfcp_fsf_req *fsf_req, + struct zfcp_dbf *dbf) { struct fsf_qtcb *qtcb = fsf_req->qtcb; union fsf_prot_status_qual *prot_status_qual = @@ -132,11 +132,11 @@ void _zfcp_hba_dbf_event_fsf_response(const char *tag2, int level, struct zfcp_port *port; struct zfcp_unit *unit; struct zfcp_send_els *send_els; - struct zfcp_hba_dbf_record *rec = &dbf->hba_dbf_buf; - struct zfcp_hba_dbf_record_response *response = &rec->u.response; + struct zfcp_dbf_hba_record *rec = &dbf->hba_buf; + struct zfcp_dbf_hba_record_response *response = &rec->u.response; unsigned long flags; - spin_lock_irqsave(&dbf->hba_dbf_lock, flags); + spin_lock_irqsave(&dbf->hba_lock, flags); memset(rec, 0, sizeof(*rec)); strncpy(rec->tag, "resp", ZFCP_DBF_TAG_SIZE); strncpy(rec->tag2, tag2, ZFCP_DBF_TAG_SIZE); @@ -203,7 +203,7 @@ void _zfcp_hba_dbf_event_fsf_response(const char *tag2, int level, break; } - debug_event(dbf->hba_dbf, level, rec, sizeof(*rec)); + debug_event(dbf->hba, level, rec, sizeof(*rec)); /* have fcp channel microcode fixed to use as little as possible */ if (fsf_req->fsf_command != FSF_QTCB_FCP_CMND) { @@ -211,27 +211,25 @@ void _zfcp_hba_dbf_event_fsf_response(const char *tag2, int level, char *buf = (char *)qtcb + qtcb->header.log_start; int len = qtcb->header.log_length; for (; len && !buf[len - 1]; len--); - zfcp_dbf_hexdump(dbf->hba_dbf, rec, sizeof(*rec), level, buf, + zfcp_dbf_hexdump(dbf->hba, rec, sizeof(*rec), level, buf, len); } - spin_unlock_irqrestore(&dbf->hba_dbf_lock, flags); + spin_unlock_irqrestore(&dbf->hba_lock, flags); } -void _zfcp_hba_dbf_event_fsf_unsol(const char *tag, int level, - struct zfcp_adapter *adapter, - struct fsf_status_read_buffer *status_buffer) +void _zfcp_dbf_hba_fsf_unsol(const char *tag, int level, struct zfcp_dbf *dbf, + struct fsf_status_read_buffer *status_buffer) { - struct zfcp_dbf *dbf = adapter->dbf; - struct zfcp_hba_dbf_record *rec = &dbf->hba_dbf_buf; + struct zfcp_dbf_hba_record *rec = &dbf->hba_buf; unsigned long flags; - spin_lock_irqsave(&dbf->hba_dbf_lock, flags); + spin_lock_irqsave(&dbf->hba_lock, flags); memset(rec, 0, sizeof(*rec)); strncpy(rec->tag, "stat", ZFCP_DBF_TAG_SIZE); strncpy(rec->tag2, tag, ZFCP_DBF_TAG_SIZE); - rec->u.status.failed = atomic_read(&adapter->stat_miss); + rec->u.status.failed = atomic_read(&dbf->adapter->stat_miss); if (status_buffer != NULL) { rec->u.status.status_type = status_buffer->status_type; rec->u.status.status_subtype = status_buffer->status_subtype; @@ -268,58 +266,54 @@ void _zfcp_hba_dbf_event_fsf_unsol(const char *tag, int level, &status_buffer->payload, rec->u.status.payload_size); } - debug_event(dbf->hba_dbf, level, rec, sizeof(*rec)); - spin_unlock_irqrestore(&dbf->hba_dbf_lock, flags); + debug_event(dbf->hba, level, rec, sizeof(*rec)); + spin_unlock_irqrestore(&dbf->hba_lock, flags); } /** - * zfcp_hba_dbf_event_qdio - trace event for QDIO related failure + * zfcp_dbf_hba_qdio - trace event for QDIO related failure * @qdio: qdio structure affected by this QDIO related event * @qdio_error: as passed by qdio module * @sbal_index: first buffer with error condition, as passed by qdio module * @sbal_count: number of buffers affected, as passed by qdio module */ -void zfcp_hba_dbf_event_qdio(struct zfcp_qdio *qdio, - unsigned int qdio_error, int sbal_index, - int sbal_count) +void zfcp_dbf_hba_qdio(struct zfcp_dbf *dbf, unsigned int qdio_error, + int sbal_index, int sbal_count) { - struct zfcp_dbf *dbf = qdio->adapter->dbf; - struct zfcp_hba_dbf_record *r = &dbf->hba_dbf_buf; + struct zfcp_dbf_hba_record *r = &dbf->hba_buf; unsigned long flags; - spin_lock_irqsave(&dbf->hba_dbf_lock, flags); + spin_lock_irqsave(&dbf->hba_lock, flags); memset(r, 0, sizeof(*r)); strncpy(r->tag, "qdio", ZFCP_DBF_TAG_SIZE); r->u.qdio.qdio_error = qdio_error; r->u.qdio.sbal_index = sbal_index; r->u.qdio.sbal_count = sbal_count; - debug_event(dbf->hba_dbf, 0, r, sizeof(*r)); - spin_unlock_irqrestore(&dbf->hba_dbf_lock, flags); + debug_event(dbf->hba, 0, r, sizeof(*r)); + spin_unlock_irqrestore(&dbf->hba_lock, flags); } /** - * zfcp_hba_dbf_event_berr - trace event for bit error threshold - * @adapter: adapter affected by this QDIO related event + * zfcp_dbf_hba_berr - trace event for bit error threshold + * @dbf: dbf structure affected by this QDIO related event * @req: fsf request */ -void zfcp_hba_dbf_event_berr(struct zfcp_adapter *adapter, - struct zfcp_fsf_req *req) +void zfcp_dbf_hba_berr(struct zfcp_dbf *dbf, struct zfcp_fsf_req *req) { - struct zfcp_dbf *dbf = adapter->dbf; - struct zfcp_hba_dbf_record *r = &dbf->hba_dbf_buf; + struct zfcp_dbf_hba_record *r = &dbf->hba_buf; struct fsf_status_read_buffer *sr_buf = req->data; struct fsf_bit_error_payload *err = &sr_buf->payload.bit_error; unsigned long flags; - spin_lock_irqsave(&dbf->hba_dbf_lock, flags); + spin_lock_irqsave(&dbf->hba_lock, flags); memset(r, 0, sizeof(*r)); strncpy(r->tag, "berr", ZFCP_DBF_TAG_SIZE); memcpy(&r->u.berr, err, sizeof(struct fsf_bit_error_payload)); - debug_event(dbf->hba_dbf, 0, r, sizeof(*r)); - spin_unlock_irqrestore(&dbf->hba_dbf_lock, flags); + debug_event(dbf->hba, 0, r, sizeof(*r)); + spin_unlock_irqrestore(&dbf->hba_lock, flags); } -static void zfcp_hba_dbf_view_response(char **p, - struct zfcp_hba_dbf_record_response *r) +static void zfcp_dbf_hba_view_response(char **p, + struct zfcp_dbf_hba_record_response *r) { struct timespec t; @@ -380,8 +374,8 @@ static void zfcp_hba_dbf_view_response(char **p, } } -static void zfcp_hba_dbf_view_status(char **p, - struct zfcp_hba_dbf_record_status *r) +static void zfcp_dbf_hba_view_status(char **p, + struct zfcp_dbf_hba_record_status *r) { zfcp_dbf_out(p, "failed", "0x%02x", r->failed); zfcp_dbf_out(p, "status_type", "0x%08x", r->status_type); @@ -393,14 +387,14 @@ static void zfcp_hba_dbf_view_status(char **p, r->payload_size); } -static void zfcp_hba_dbf_view_qdio(char **p, struct zfcp_hba_dbf_record_qdio *r) +static void zfcp_dbf_hba_view_qdio(char **p, struct zfcp_dbf_hba_record_qdio *r) { zfcp_dbf_out(p, "qdio_error", "0x%08x", r->qdio_error); zfcp_dbf_out(p, "sbal_index", "0x%02x", r->sbal_index); zfcp_dbf_out(p, "sbal_count", "0x%02x", r->sbal_count); } -static void zfcp_hba_dbf_view_berr(char **p, struct fsf_bit_error_payload *r) +static void zfcp_dbf_hba_view_berr(char **p, struct fsf_bit_error_payload *r) { zfcp_dbf_out(p, "link_failures", "%d", r->link_failure_error_count); zfcp_dbf_out(p, "loss_of_sync_err", "%d", r->loss_of_sync_error_count); @@ -424,10 +418,10 @@ static void zfcp_hba_dbf_view_berr(char **p, struct fsf_bit_error_payload *r) r->current_transmit_b2b_credit); } -static int zfcp_hba_dbf_view_format(debug_info_t *id, struct debug_view *view, +static int zfcp_dbf_hba_view_format(debug_info_t *id, struct debug_view *view, char *out_buf, const char *in_buf) { - struct zfcp_hba_dbf_record *r = (struct zfcp_hba_dbf_record *)in_buf; + struct zfcp_dbf_hba_record *r = (struct zfcp_dbf_hba_record *)in_buf; char *p = out_buf; if (strncmp(r->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0) @@ -438,45 +432,42 @@ static int zfcp_hba_dbf_view_format(debug_info_t *id, struct debug_view *view, zfcp_dbf_tag(&p, "tag2", r->tag2); if (strncmp(r->tag, "resp", ZFCP_DBF_TAG_SIZE) == 0) - zfcp_hba_dbf_view_response(&p, &r->u.response); + zfcp_dbf_hba_view_response(&p, &r->u.response); else if (strncmp(r->tag, "stat", ZFCP_DBF_TAG_SIZE) == 0) - zfcp_hba_dbf_view_status(&p, &r->u.status); + zfcp_dbf_hba_view_status(&p, &r->u.status); else if (strncmp(r->tag, "qdio", ZFCP_DBF_TAG_SIZE) == 0) - zfcp_hba_dbf_view_qdio(&p, &r->u.qdio); + zfcp_dbf_hba_view_qdio(&p, &r->u.qdio); else if (strncmp(r->tag, "berr", ZFCP_DBF_TAG_SIZE) == 0) - zfcp_hba_dbf_view_berr(&p, &r->u.berr); + zfcp_dbf_hba_view_berr(&p, &r->u.berr); if (strncmp(r->tag, "resp", ZFCP_DBF_TAG_SIZE) != 0) p += sprintf(p, "\n"); return p - out_buf; } -static struct debug_view zfcp_hba_dbf_view = { - "structured", - NULL, - &zfcp_dbf_view_header, - &zfcp_hba_dbf_view_format, - NULL, - NULL +static struct debug_view zfcp_dbf_hba_view = { + .name = "structured", + .header_proc = zfcp_dbf_view_header, + .format_proc = zfcp_dbf_hba_view_format, }; -static const char *zfcp_rec_dbf_tags[] = { +static const char *zfcp_dbf_rec_tags[] = { [ZFCP_REC_DBF_ID_THREAD] = "thread", [ZFCP_REC_DBF_ID_TARGET] = "target", [ZFCP_REC_DBF_ID_TRIGGER] = "trigger", [ZFCP_REC_DBF_ID_ACTION] = "action", }; -static int zfcp_rec_dbf_view_format(debug_info_t *id, struct debug_view *view, +static int zfcp_dbf_rec_view_format(debug_info_t *id, struct debug_view *view, char *buf, const char *_rec) { - struct zfcp_rec_dbf_record *r = (struct zfcp_rec_dbf_record *)_rec; + struct zfcp_dbf_rec_record *r = (struct zfcp_dbf_rec_record *)_rec; char *p = buf; char hint[ZFCP_DBF_ID_SIZE + 1]; memcpy(hint, r->id2, ZFCP_DBF_ID_SIZE); hint[ZFCP_DBF_ID_SIZE] = 0; - zfcp_dbf_outs(&p, "tag", zfcp_rec_dbf_tags[r->id]); + zfcp_dbf_outs(&p, "tag", zfcp_dbf_rec_tags[r->id]); zfcp_dbf_outs(&p, "hint", hint); switch (r->id) { case ZFCP_REC_DBF_ID_THREAD: @@ -514,25 +505,22 @@ static int zfcp_rec_dbf_view_format(debug_info_t *id, struct debug_view *view, return p - buf; } -static struct debug_view zfcp_rec_dbf_view = { - "structured", - NULL, - &zfcp_dbf_view_header, - &zfcp_rec_dbf_view_format, - NULL, - NULL +static struct debug_view zfcp_dbf_rec_view = { + .name = "structured", + .header_proc = zfcp_dbf_view_header, + .format_proc = zfcp_dbf_rec_view_format, }; /** - * zfcp_rec_dbf_event_thread - trace event related to recovery thread operation + * zfcp_dbf_rec_thread - trace event related to recovery thread operation * @id2: identifier for event - * @adapter: adapter + * @dbf: reference to dbf structure * This function assumes that the caller is holding erp_lock. */ -void zfcp_rec_dbf_event_thread(char *id2, struct zfcp_adapter *adapter) +void zfcp_dbf_rec_thread(char *id2, struct zfcp_dbf *dbf) { - struct zfcp_dbf *dbf = adapter->dbf; - struct zfcp_rec_dbf_record *r = &dbf->rec_dbf_buf; + struct zfcp_adapter *adapter = dbf->adapter; + struct zfcp_dbf_rec_record *r = &dbf->rec_buf; unsigned long flags = 0; struct list_head *entry; unsigned ready = 0, running = 0, total; @@ -543,42 +531,41 @@ void zfcp_rec_dbf_event_thread(char *id2, struct zfcp_adapter *adapter) running++; total = adapter->erp_total_count; - spin_lock_irqsave(&dbf->rec_dbf_lock, flags); + spin_lock_irqsave(&dbf->rec_lock, flags); memset(r, 0, sizeof(*r)); r->id = ZFCP_REC_DBF_ID_THREAD; memcpy(r->id2, id2, ZFCP_DBF_ID_SIZE); r->u.thread.total = total; r->u.thread.ready = ready; r->u.thread.running = running; - debug_event(dbf->rec_dbf, 6, r, sizeof(*r)); - spin_unlock_irqrestore(&dbf->rec_dbf_lock, flags); + debug_event(dbf->rec, 6, r, sizeof(*r)); + spin_unlock_irqrestore(&dbf->rec_lock, flags); } /** - * zfcp_rec_dbf_event_thread - trace event related to recovery thread operation + * zfcp_dbf_rec_thread - trace event related to recovery thread operation * @id2: identifier for event * @adapter: adapter * This function assumes that the caller does not hold erp_lock. */ -void zfcp_rec_dbf_event_thread_lock(char *id2, struct zfcp_adapter *adapter) +void zfcp_dbf_rec_thread_lock(char *id2, struct zfcp_dbf *dbf) { + struct zfcp_adapter *adapter = dbf->adapter; unsigned long flags; read_lock_irqsave(&adapter->erp_lock, flags); - zfcp_rec_dbf_event_thread(id2, adapter); + zfcp_dbf_rec_thread(id2, dbf); read_unlock_irqrestore(&adapter->erp_lock, flags); } -static void zfcp_rec_dbf_event_target(char *id2, void *ref, - struct zfcp_adapter *adapter, - atomic_t *status, atomic_t *erp_count, - u64 wwpn, u32 d_id, u64 fcp_lun) +static void zfcp_dbf_rec_target(char *id2, void *ref, struct zfcp_dbf *dbf, + atomic_t *status, atomic_t *erp_count, u64 wwpn, + u32 d_id, u64 fcp_lun) { - struct zfcp_dbf *dbf = adapter->dbf; - struct zfcp_rec_dbf_record *r = &dbf->rec_dbf_buf; + struct zfcp_dbf_rec_record *r = &dbf->rec_buf; unsigned long flags; - spin_lock_irqsave(&dbf->rec_dbf_lock, flags); + spin_lock_irqsave(&dbf->rec_lock, flags); memset(r, 0, sizeof(*r)); r->id = ZFCP_REC_DBF_ID_TARGET; memcpy(r->id2, id2, ZFCP_DBF_ID_SIZE); @@ -588,56 +575,57 @@ static void zfcp_rec_dbf_event_target(char *id2, void *ref, r->u.target.d_id = d_id; r->u.target.fcp_lun = fcp_lun; r->u.target.erp_count = atomic_read(erp_count); - debug_event(dbf->rec_dbf, 3, r, sizeof(*r)); - spin_unlock_irqrestore(&dbf->rec_dbf_lock, flags); + debug_event(dbf->rec, 3, r, sizeof(*r)); + spin_unlock_irqrestore(&dbf->rec_lock, flags); } /** - * zfcp_rec_dbf_event_adapter - trace event for adapter state change + * zfcp_dbf_rec_adapter - trace event for adapter state change * @id: identifier for trigger of state change * @ref: additional reference (e.g. request) - * @adapter: adapter + * @dbf: reference to dbf structure */ -void zfcp_rec_dbf_event_adapter(char *id, void *ref, - struct zfcp_adapter *adapter) +void zfcp_dbf_rec_adapter(char *id, void *ref, struct zfcp_dbf *dbf) { - zfcp_rec_dbf_event_target(id, ref, adapter, &adapter->status, + struct zfcp_adapter *adapter = dbf->adapter; + + zfcp_dbf_rec_target(id, ref, dbf, &adapter->status, &adapter->erp_counter, 0, 0, 0); } /** - * zfcp_rec_dbf_event_port - trace event for port state change + * zfcp_dbf_rec_port - trace event for port state change * @id: identifier for trigger of state change * @ref: additional reference (e.g. request) * @port: port */ -void zfcp_rec_dbf_event_port(char *id, void *ref, struct zfcp_port *port) +void zfcp_dbf_rec_port(char *id, void *ref, struct zfcp_port *port) { - struct zfcp_adapter *adapter = port->adapter; + struct zfcp_dbf *dbf = port->adapter->dbf; - zfcp_rec_dbf_event_target(id, ref, adapter, &port->status, + zfcp_dbf_rec_target(id, ref, dbf, &port->status, &port->erp_counter, port->wwpn, port->d_id, 0); } /** - * zfcp_rec_dbf_event_unit - trace event for unit state change + * zfcp_dbf_rec_unit - trace event for unit state change * @id: identifier for trigger of state change * @ref: additional reference (e.g. request) * @unit: unit */ -void zfcp_rec_dbf_event_unit(char *id, void *ref, struct zfcp_unit *unit) +void zfcp_dbf_rec_unit(char *id, void *ref, struct zfcp_unit *unit) { struct zfcp_port *port = unit->port; - struct zfcp_adapter *adapter = port->adapter; + struct zfcp_dbf *dbf = port->adapter->dbf; - zfcp_rec_dbf_event_target(id, ref, adapter, &unit->status, + zfcp_dbf_rec_target(id, ref, dbf, &unit->status, &unit->erp_counter, port->wwpn, port->d_id, unit->fcp_lun); } /** - * zfcp_rec_dbf_event_trigger - trace event for triggered error recovery + * zfcp_dbf_rec_trigger - trace event for triggered error recovery * @id2: identifier for error recovery trigger * @ref: additional reference (e.g. request) * @want: originally requested error recovery action @@ -647,15 +635,15 @@ void zfcp_rec_dbf_event_unit(char *id, void *ref, struct zfcp_unit *unit) * @port: port * @unit: unit */ -void zfcp_rec_dbf_event_trigger(char *id2, void *ref, u8 want, u8 need, - void *action, struct zfcp_adapter *adapter, - struct zfcp_port *port, struct zfcp_unit *unit) +void zfcp_dbf_rec_trigger(char *id2, void *ref, u8 want, u8 need, void *action, + struct zfcp_adapter *adapter, struct zfcp_port *port, + struct zfcp_unit *unit) { struct zfcp_dbf *dbf = adapter->dbf; - struct zfcp_rec_dbf_record *r = &dbf->rec_dbf_buf; + struct zfcp_dbf_rec_record *r = &dbf->rec_buf; unsigned long flags; - spin_lock_irqsave(&dbf->rec_dbf_lock, flags); + spin_lock_irqsave(&dbf->rec_lock, flags); memset(r, 0, sizeof(*r)); r->id = ZFCP_REC_DBF_ID_TRIGGER; memcpy(r->id2, id2, ZFCP_DBF_ID_SIZE); @@ -672,23 +660,22 @@ void zfcp_rec_dbf_event_trigger(char *id2, void *ref, u8 want, u8 need, r->u.trigger.us = atomic_read(&unit->status); r->u.trigger.fcp_lun = unit->fcp_lun; } - debug_event(dbf->rec_dbf, action ? 1 : 4, r, sizeof(*r)); - spin_unlock_irqrestore(&dbf->rec_dbf_lock, flags); + debug_event(dbf->rec, action ? 1 : 4, r, sizeof(*r)); + spin_unlock_irqrestore(&dbf->rec_lock, flags); } /** - * zfcp_rec_dbf_event_action - trace event showing progress of recovery action + * zfcp_dbf_rec_action - trace event showing progress of recovery action * @id2: identifier * @erp_action: error recovery action struct pointer */ -void zfcp_rec_dbf_event_action(char *id2, struct zfcp_erp_action *erp_action) +void zfcp_dbf_rec_action(char *id2, struct zfcp_erp_action *erp_action) { - struct zfcp_adapter *adapter = erp_action->adapter; - struct zfcp_dbf *dbf = adapter->dbf; - struct zfcp_rec_dbf_record *r = &dbf->rec_dbf_buf; + struct zfcp_dbf *dbf = erp_action->adapter->dbf; + struct zfcp_dbf_rec_record *r = &dbf->rec_buf; unsigned long flags; - spin_lock_irqsave(&dbf->rec_dbf_lock, flags); + spin_lock_irqsave(&dbf->rec_lock, flags); memset(r, 0, sizeof(*r)); r->id = ZFCP_REC_DBF_ID_ACTION; memcpy(r->id2, id2, ZFCP_DBF_ID_SIZE); @@ -696,27 +683,27 @@ void zfcp_rec_dbf_event_action(char *id2, struct zfcp_erp_action *erp_action) r->u.action.status = erp_action->status; r->u.action.step = erp_action->step; r->u.action.fsf_req = (unsigned long)erp_action->fsf_req; - debug_event(dbf->rec_dbf, 5, r, sizeof(*r)); - spin_unlock_irqrestore(&dbf->rec_dbf_lock, flags); + debug_event(dbf->rec, 5, r, sizeof(*r)); + spin_unlock_irqrestore(&dbf->rec_lock, flags); } /** - * zfcp_san_dbf_event_ct_request - trace event for issued CT request + * zfcp_dbf_san_ct_request - trace event for issued CT request * @fsf_req: request containing issued CT data */ -void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req) +void zfcp_dbf_san_ct_request(struct zfcp_fsf_req *fsf_req) { struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data; struct zfcp_wka_port *wka_port = ct->wka_port; struct zfcp_adapter *adapter = wka_port->adapter; struct zfcp_dbf *dbf = adapter->dbf; struct ct_hdr *hdr = sg_virt(ct->req); - struct zfcp_san_dbf_record *r = &dbf->san_dbf_buf; - struct zfcp_san_dbf_record_ct_request *oct = &r->u.ct_req; + struct zfcp_dbf_san_record *r = &dbf->san_buf; + struct zfcp_dbf_san_record_ct_request *oct = &r->u.ct_req; int level = 3; unsigned long flags; - spin_lock_irqsave(&dbf->san_dbf_lock, flags); + spin_lock_irqsave(&dbf->san_lock, flags); memset(r, 0, sizeof(*r)); strncpy(r->tag, "octc", ZFCP_DBF_TAG_SIZE); r->fsf_reqid = fsf_req->req_id; @@ -731,29 +718,29 @@ void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req) oct->max_res_size = hdr->max_res_size; oct->len = min((int)ct->req->length - (int)sizeof(struct ct_hdr), ZFCP_DBF_SAN_MAX_PAYLOAD); - debug_event(dbf->san_dbf, level, r, sizeof(*r)); - zfcp_dbf_hexdump(dbf->san_dbf, r, sizeof(*r), level, + debug_event(dbf->san, level, r, sizeof(*r)); + zfcp_dbf_hexdump(dbf->san, r, sizeof(*r), level, (void *)hdr + sizeof(struct ct_hdr), oct->len); - spin_unlock_irqrestore(&dbf->san_dbf_lock, flags); + spin_unlock_irqrestore(&dbf->san_lock, flags); } /** - * zfcp_san_dbf_event_ct_response - trace event for completion of CT request + * zfcp_dbf_san_ct_response - trace event for completion of CT request * @fsf_req: request containing CT response */ -void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *fsf_req) +void zfcp_dbf_san_ct_response(struct zfcp_fsf_req *fsf_req) { struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data; struct zfcp_wka_port *wka_port = ct->wka_port; struct zfcp_adapter *adapter = wka_port->adapter; struct ct_hdr *hdr = sg_virt(ct->resp); struct zfcp_dbf *dbf = adapter->dbf; - struct zfcp_san_dbf_record *r = &dbf->san_dbf_buf; - struct zfcp_san_dbf_record_ct_response *rct = &r->u.ct_resp; + struct zfcp_dbf_san_record *r = &dbf->san_buf; + struct zfcp_dbf_san_record_ct_response *rct = &r->u.ct_resp; int level = 3; unsigned long flags; - spin_lock_irqsave(&dbf->san_dbf_lock, flags); + spin_lock_irqsave(&dbf->san_lock, flags); memset(r, 0, sizeof(*r)); strncpy(r->tag, "rctc", ZFCP_DBF_TAG_SIZE); r->fsf_reqid = fsf_req->req_id; @@ -768,23 +755,22 @@ void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *fsf_req) rct->max_res_size = hdr->max_res_size; rct->len = min((int)ct->resp->length - (int)sizeof(struct ct_hdr), ZFCP_DBF_SAN_MAX_PAYLOAD); - debug_event(dbf->san_dbf, level, r, sizeof(*r)); - zfcp_dbf_hexdump(dbf->san_dbf, r, sizeof(*r), level, + debug_event(dbf->san, level, r, sizeof(*r)); + zfcp_dbf_hexdump(dbf->san, r, sizeof(*r), level, (void *)hdr + sizeof(struct ct_hdr), rct->len); - spin_unlock_irqrestore(&dbf->san_dbf_lock, flags); + spin_unlock_irqrestore(&dbf->san_lock, flags); } -static void zfcp_san_dbf_event_els(const char *tag, int level, - struct zfcp_fsf_req *fsf_req, u32 s_id, - u32 d_id, u8 ls_code, void *buffer, - int buflen) +static void zfcp_dbf_san_els(const char *tag, int level, + struct zfcp_fsf_req *fsf_req, u32 s_id, u32 d_id, + u8 ls_code, void *buffer, int buflen) { struct zfcp_adapter *adapter = fsf_req->adapter; struct zfcp_dbf *dbf = adapter->dbf; - struct zfcp_san_dbf_record *rec = &dbf->san_dbf_buf; + struct zfcp_dbf_san_record *rec = &dbf->san_buf; unsigned long flags; - spin_lock_irqsave(&dbf->san_dbf_lock, flags); + spin_lock_irqsave(&dbf->san_lock, flags); memset(rec, 0, sizeof(*rec)); strncpy(rec->tag, tag, ZFCP_DBF_TAG_SIZE); rec->fsf_reqid = fsf_req->req_id; @@ -792,45 +778,45 @@ static void zfcp_san_dbf_event_els(const char *tag, int level, rec->s_id = s_id; rec->d_id = d_id; rec->u.els.ls_code = ls_code; - debug_event(dbf->san_dbf, level, rec, sizeof(*rec)); - zfcp_dbf_hexdump(dbf->san_dbf, rec, sizeof(*rec), level, + debug_event(dbf->san, level, rec, sizeof(*rec)); + zfcp_dbf_hexdump(dbf->san, rec, sizeof(*rec), level, buffer, min(buflen, ZFCP_DBF_SAN_MAX_PAYLOAD)); - spin_unlock_irqrestore(&dbf->san_dbf_lock, flags); + spin_unlock_irqrestore(&dbf->san_lock, flags); } /** - * zfcp_san_dbf_event_els_request - trace event for issued ELS + * zfcp_dbf_san_els_request - trace event for issued ELS * @fsf_req: request containing issued ELS */ -void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *fsf_req) +void zfcp_dbf_san_els_request(struct zfcp_fsf_req *fsf_req) { struct zfcp_send_els *els = (struct zfcp_send_els *)fsf_req->data; - zfcp_san_dbf_event_els("oels", 2, fsf_req, + zfcp_dbf_san_els("oels", 2, fsf_req, fc_host_port_id(els->adapter->scsi_host), els->d_id, *(u8 *) sg_virt(els->req), sg_virt(els->req), els->req->length); } /** - * zfcp_san_dbf_event_els_response - trace event for completed ELS + * zfcp_dbf_san_els_response - trace event for completed ELS * @fsf_req: request containing ELS response */ -void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *fsf_req) +void zfcp_dbf_san_els_response(struct zfcp_fsf_req *fsf_req) { struct zfcp_send_els *els = (struct zfcp_send_els *)fsf_req->data; - zfcp_san_dbf_event_els("rels", 2, fsf_req, els->d_id, + zfcp_dbf_san_els("rels", 2, fsf_req, els->d_id, fc_host_port_id(els->adapter->scsi_host), *(u8 *)sg_virt(els->req), sg_virt(els->resp), els->resp->length); } /** - * zfcp_san_dbf_event_incoming_els - trace event for incomig ELS + * zfcp_dbf_san_incoming_els - trace event for incomig ELS * @fsf_req: request containing unsolicited status buffer with incoming ELS */ -void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *fsf_req) +void zfcp_dbf_san_incoming_els(struct zfcp_fsf_req *fsf_req) { struct zfcp_adapter *adapter = fsf_req->adapter; struct fsf_status_read_buffer *buf = @@ -838,16 +824,16 @@ void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *fsf_req) int length = (int)buf->length - (int)((void *)&buf->payload - (void *)buf); - zfcp_san_dbf_event_els("iels", 1, fsf_req, buf->d_id, + zfcp_dbf_san_els("iels", 1, fsf_req, buf->d_id, fc_host_port_id(adapter->scsi_host), buf->payload.data[0], (void *)buf->payload.data, length); } -static int zfcp_san_dbf_view_format(debug_info_t *id, struct debug_view *view, +static int zfcp_dbf_san_view_format(debug_info_t *id, struct debug_view *view, char *out_buf, const char *in_buf) { - struct zfcp_san_dbf_record *r = (struct zfcp_san_dbf_record *)in_buf; + struct zfcp_dbf_san_record *r = (struct zfcp_dbf_san_record *)in_buf; char *p = out_buf; if (strncmp(r->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0) @@ -860,7 +846,7 @@ static int zfcp_san_dbf_view_format(debug_info_t *id, struct debug_view *view, zfcp_dbf_out(&p, "d_id", "0x%06x", r->d_id); if (strncmp(r->tag, "octc", ZFCP_DBF_TAG_SIZE) == 0) { - struct zfcp_san_dbf_record_ct_request *ct = &r->u.ct_req; + struct zfcp_dbf_san_record_ct_request *ct = &r->u.ct_req; zfcp_dbf_out(&p, "cmd_req_code", "0x%04x", ct->cmd_req_code); zfcp_dbf_out(&p, "revision", "0x%02x", ct->revision); zfcp_dbf_out(&p, "gs_type", "0x%02x", ct->gs_type); @@ -868,7 +854,7 @@ static int zfcp_san_dbf_view_format(debug_info_t *id, struct debug_view *view, zfcp_dbf_out(&p, "options", "0x%02x", ct->options); zfcp_dbf_out(&p, "max_res_size", "0x%04x", ct->max_res_size); } else if (strncmp(r->tag, "rctc", ZFCP_DBF_TAG_SIZE) == 0) { - struct zfcp_san_dbf_record_ct_response *ct = &r->u.ct_resp; + struct zfcp_dbf_san_record_ct_response *ct = &r->u.ct_resp; zfcp_dbf_out(&p, "cmd_rsp_code", "0x%04x", ct->cmd_rsp_code); zfcp_dbf_out(&p, "revision", "0x%02x", ct->revision); zfcp_dbf_out(&p, "reason_code", "0x%02x", ct->reason_code); @@ -878,34 +864,30 @@ static int zfcp_san_dbf_view_format(debug_info_t *id, struct debug_view *view, } else if (strncmp(r->tag, "oels", ZFCP_DBF_TAG_SIZE) == 0 || strncmp(r->tag, "rels", ZFCP_DBF_TAG_SIZE) == 0 || strncmp(r->tag, "iels", ZFCP_DBF_TAG_SIZE) == 0) { - struct zfcp_san_dbf_record_els *els = &r->u.els; + struct zfcp_dbf_san_record_els *els = &r->u.els; zfcp_dbf_out(&p, "ls_code", "0x%02x", els->ls_code); } return p - out_buf; } -static struct debug_view zfcp_san_dbf_view = { - "structured", - NULL, - &zfcp_dbf_view_header, - &zfcp_san_dbf_view_format, - NULL, - NULL +static struct debug_view zfcp_dbf_san_view = { + .name = "structured", + .header_proc = zfcp_dbf_view_header, + .format_proc = zfcp_dbf_san_view_format, }; -void _zfcp_scsi_dbf_event(const char *tag, const char *tag2, int level, - struct zfcp_dbf *dbf, struct scsi_cmnd *scsi_cmnd, - struct zfcp_fsf_req *fsf_req, - unsigned long old_req_id) +void _zfcp_dbf_scsi(const char *tag, const char *tag2, int level, + struct zfcp_dbf *dbf, struct scsi_cmnd *scsi_cmnd, + struct zfcp_fsf_req *fsf_req, unsigned long old_req_id) { - struct zfcp_scsi_dbf_record *rec = &dbf->scsi_dbf_buf; + struct zfcp_dbf_scsi_record *rec = &dbf->scsi_buf; struct zfcp_dbf_dump *dump = (struct zfcp_dbf_dump *)rec; unsigned long flags; struct fcp_rsp_iu *fcp_rsp; char *fcp_rsp_info = NULL, *fcp_sns_info = NULL; int offset = 0, buflen = 0; - spin_lock_irqsave(&dbf->scsi_dbf_lock, flags); + spin_lock_irqsave(&dbf->scsi_lock, flags); do { memset(rec, 0, sizeof(*rec)); if (offset == 0) { @@ -959,20 +941,20 @@ void _zfcp_scsi_dbf_event(const char *tag, const char *tag2, int level, dump->offset = offset; dump->size = min(buflen - offset, (int)sizeof(struct - zfcp_scsi_dbf_record) - + zfcp_dbf_scsi_record) - (int)sizeof(struct zfcp_dbf_dump)); memcpy(dump->data, fcp_sns_info + offset, dump->size); offset += dump->size; } - debug_event(dbf->scsi_dbf, level, rec, sizeof(*rec)); + debug_event(dbf->scsi, level, rec, sizeof(*rec)); } while (offset < buflen); - spin_unlock_irqrestore(&dbf->scsi_dbf_lock, flags); + spin_unlock_irqrestore(&dbf->scsi_lock, flags); } -static int zfcp_scsi_dbf_view_format(debug_info_t *id, struct debug_view *view, +static int zfcp_dbf_scsi_view_format(debug_info_t *id, struct debug_view *view, char *out_buf, const char *in_buf) { - struct zfcp_scsi_dbf_record *r = (struct zfcp_scsi_dbf_record *)in_buf; + struct zfcp_dbf_scsi_record *r = (struct zfcp_dbf_scsi_record *)in_buf; struct timespec t; char *p = out_buf; @@ -1013,13 +995,10 @@ static int zfcp_scsi_dbf_view_format(debug_info_t *id, struct debug_view *view, return p - out_buf; } -static struct debug_view zfcp_scsi_dbf_view = { - "structured", - NULL, - &zfcp_dbf_view_header, - &zfcp_scsi_dbf_view_format, - NULL, - NULL +static struct debug_view zfcp_dbf_scsi_view = { + .name = "structured", + .header_proc = zfcp_dbf_view_header, + .format_proc = zfcp_dbf_scsi_view_format, }; static debug_info_t *zfcp_dbf_reg(const char *name, int level, @@ -1043,7 +1022,7 @@ static debug_info_t *zfcp_dbf_reg(const char *name, int level, * @adapter: pointer to adapter for which debug features should be registered * return: -ENOMEM on error, 0 otherwise */ -int zfcp_adapter_debug_register(struct zfcp_adapter *adapter) +int zfcp_dbf_adapter_register(struct zfcp_adapter *adapter) { char dbf_name[DEBUG_MAX_NAME_LEN]; struct zfcp_dbf *dbf; @@ -1052,63 +1031,60 @@ int zfcp_adapter_debug_register(struct zfcp_adapter *adapter) if (!dbf) return -ENOMEM; - spin_lock_init(&dbf->hba_dbf_lock); - spin_lock_init(&dbf->san_dbf_lock); - spin_lock_init(&dbf->scsi_dbf_lock); - spin_lock_init(&dbf->rec_dbf_lock); + dbf->adapter = adapter; + + spin_lock_init(&dbf->hba_lock); + spin_lock_init(&dbf->san_lock); + spin_lock_init(&dbf->scsi_lock); + spin_lock_init(&dbf->rec_lock); /* debug feature area which records recovery activity */ sprintf(dbf_name, "zfcp_%s_rec", dev_name(&adapter->ccw_device->dev)); - dbf->rec_dbf = zfcp_dbf_reg(dbf_name, 3, &zfcp_rec_dbf_view, - sizeof(struct zfcp_rec_dbf_record)); - if (!dbf->rec_dbf) - goto fail_rec; + dbf->rec = zfcp_dbf_reg(dbf_name, 3, &zfcp_dbf_rec_view, + sizeof(struct zfcp_dbf_rec_record)); + if (!dbf->rec) + goto err_out; /* debug feature area which records HBA (FSF and QDIO) conditions */ sprintf(dbf_name, "zfcp_%s_hba", dev_name(&adapter->ccw_device->dev)); - dbf->hba_dbf = zfcp_dbf_reg(dbf_name, 3, &zfcp_hba_dbf_view, - sizeof(struct zfcp_hba_dbf_record)); - if (!dbf->hba_dbf) - goto fail_hba; + dbf->hba = zfcp_dbf_reg(dbf_name, 3, &zfcp_dbf_hba_view, + sizeof(struct zfcp_dbf_hba_record)); + if (!dbf->hba) + goto err_out; /* debug feature area which records SAN command failures and recovery */ sprintf(dbf_name, "zfcp_%s_san", dev_name(&adapter->ccw_device->dev)); - dbf->san_dbf = zfcp_dbf_reg(dbf_name, 6, &zfcp_san_dbf_view, - sizeof(struct zfcp_san_dbf_record)); - if (!dbf->san_dbf) - goto fail_san; + dbf->san = zfcp_dbf_reg(dbf_name, 6, &zfcp_dbf_san_view, + sizeof(struct zfcp_dbf_san_record)); + if (!dbf->san) + goto err_out; /* debug feature area which records SCSI command failures and recovery */ sprintf(dbf_name, "zfcp_%s_scsi", dev_name(&adapter->ccw_device->dev)); - dbf->scsi_dbf = zfcp_dbf_reg(dbf_name, 3, &zfcp_scsi_dbf_view, - sizeof(struct zfcp_scsi_dbf_record)); - if (!dbf->scsi_dbf) - goto fail_scsi; + dbf->scsi = zfcp_dbf_reg(dbf_name, 3, &zfcp_dbf_scsi_view, + sizeof(struct zfcp_dbf_scsi_record)); + if (!dbf->scsi) + goto err_out; adapter->dbf = dbf; return 0; -fail_scsi: - debug_unregister(dbf->san_dbf); -fail_san: - debug_unregister(dbf->hba_dbf); -fail_hba: - debug_unregister(dbf->rec_dbf); -fail_rec: - kfree(dbf); +err_out: + zfcp_dbf_adapter_unregister(dbf); return -ENOMEM; } /** * zfcp_adapter_debug_unregister - unregisters debug feature for an adapter - * @adapter: pointer to adapter for which debug features should be unregistered + * @dbf: pointer to dbf for which debug features should be unregistered */ -void zfcp_adapter_debug_unregister(struct zfcp_adapter *adapter) +void zfcp_dbf_adapter_unregister(struct zfcp_dbf *dbf) { - debug_unregister(adapter->dbf->scsi_dbf); - debug_unregister(adapter->dbf->san_dbf); - debug_unregister(adapter->dbf->hba_dbf); - debug_unregister(adapter->dbf->rec_dbf); - kfree(adapter->dbf); - adapter->dbf = NULL; + debug_unregister(dbf->scsi); + debug_unregister(dbf->san); + debug_unregister(dbf->hba); + debug_unregister(dbf->rec); + dbf->adapter->dbf = NULL; + kfree(dbf); } + |