diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_dbf.c')
| -rw-r--r-- | drivers/s390/scsi/zfcp_dbf.c | 1491 |
1 files changed, 380 insertions, 1111 deletions
diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c index fca48b88fc5..0ca64484cfa 100644 --- a/drivers/s390/scsi/zfcp_dbf.c +++ b/drivers/s390/scsi/zfcp_dbf.c @@ -3,12 +3,19 @@ * * Debug traces for zfcp. * - * Copyright IBM Corporation 2002, 2008 + * Copyright IBM Corp. 2002, 2013 */ +#define KMSG_COMPONENT "zfcp" +#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt + +#include <linux/module.h> #include <linux/ctype.h> +#include <linux/slab.h> #include <asm/debug.h> +#include "zfcp_dbf.h" #include "zfcp_ext.h" +#include "zfcp_fc.h" static u32 dbfsize = 4; @@ -16,1245 +23,510 @@ module_param(dbfsize, uint, 0400); MODULE_PARM_DESC(dbfsize, "number of pages for each debug feature area (default 4)"); -static void zfcp_dbf_hexdump(debug_info_t *dbf, void *to, int to_len, - int level, char *from, int from_len) -{ - int offset; - struct zfcp_dbf_dump *dump = to; - int room = to_len - sizeof(*dump); - - for (offset = 0; offset < from_len; offset += dump->size) { - memset(to, 0, to_len); - strncpy(dump->tag, "dump", ZFCP_DBF_TAG_SIZE); - dump->total_size = from_len; - dump->offset = offset; - dump->size = min(from_len - offset, room); - memcpy(dump->data, from + offset, dump->size); - debug_event(dbf, level, dump, dump->size); - } -} +static u32 dbflevel = 3; -/* FIXME: this duplicate this code in s390 debug feature */ -static void zfcp_dbf_timestamp(unsigned long long stck, struct timespec *time) -{ - unsigned long long sec; - - stck -= 0x8126d60e46000000LL - (0x3c26700LL * 1000000 * 4096); - sec = stck >> 12; - do_div(sec, 1000000); - time->tv_sec = sec; - stck -= (sec * 1000000) << 12; - time->tv_nsec = ((stck * 1000) >> 12); -} +module_param(dbflevel, uint, 0400); +MODULE_PARM_DESC(dbflevel, + "log level for each debug feature area " + "(default 3, range 0..6)"); -static void zfcp_dbf_tag(char **p, const char *label, const char *tag) +static inline unsigned int zfcp_dbf_plen(unsigned int offset) { - int i; - - *p += sprintf(*p, "%-24s", label); - for (i = 0; i < ZFCP_DBF_TAG_SIZE; i++) - *p += sprintf(*p, "%c", tag[i]); - *p += sprintf(*p, "\n"); + return sizeof(struct zfcp_dbf_pay) + offset - ZFCP_DBF_PAY_MAX_REC; } -static void zfcp_dbf_outs(char **buf, const char *s1, const char *s2) +static inline +void zfcp_dbf_pl_write(struct zfcp_dbf *dbf, void *data, u16 length, char *area, + u64 req_id) { - *buf += sprintf(*buf, "%-24s%s\n", s1, s2); -} + struct zfcp_dbf_pay *pl = &dbf->pay_buf; + u16 offset = 0, rec_length; -static void zfcp_dbf_out(char **buf, const char *s, const char *format, ...) -{ - va_list arg; + spin_lock(&dbf->pay_lock); + memset(pl, 0, sizeof(*pl)); + pl->fsf_req_id = req_id; + memcpy(pl->area, area, ZFCP_DBF_TAG_LEN); - *buf += sprintf(*buf, "%-24s", s); - va_start(arg, format); - *buf += vsprintf(*buf, format, arg); - va_end(arg); - *buf += sprintf(*buf, "\n"); -} + while (offset < length) { + rec_length = min((u16) ZFCP_DBF_PAY_MAX_REC, + (u16) (length - offset)); + memcpy(pl->data, data + offset, rec_length); + debug_event(dbf->pay, 1, pl, zfcp_dbf_plen(rec_length)); -static void zfcp_dbf_outd(char **p, const char *label, char *buffer, - int buflen, int offset, int total_size) -{ - if (!offset) - *p += sprintf(*p, "%-24s ", label); - while (buflen--) { - if (offset > 0) { - if ((offset % 32) == 0) - *p += sprintf(*p, "\n%-24c ", ' '); - else if ((offset % 4) == 0) - *p += sprintf(*p, " "); - } - *p += sprintf(*p, "%02x", *buffer++); - if (++offset == total_size) { - *p += sprintf(*p, "\n"); - break; - } + offset += rec_length; + pl->counter++; } - if (!total_size) - *p += sprintf(*p, "\n"); -} -static int zfcp_dbf_view_header(debug_info_t *id, struct debug_view *view, - int area, debug_entry_t *entry, char *out_buf) -{ - struct zfcp_dbf_dump *dump = (struct zfcp_dbf_dump *)DEBUG_DATA(entry); - struct timespec t; - char *p = out_buf; - - if (strncmp(dump->tag, "dump", ZFCP_DBF_TAG_SIZE) != 0) { - zfcp_dbf_timestamp(entry->id.stck, &t); - zfcp_dbf_out(&p, "timestamp", "%011lu:%06lu", - t.tv_sec, t.tv_nsec); - zfcp_dbf_out(&p, "cpu", "%02i", entry->id.fields.cpuid); - } else { - zfcp_dbf_outd(&p, NULL, dump->data, dump->size, dump->offset, - dump->total_size); - if ((dump->offset + dump->size) == dump->total_size) - p += sprintf(p, "\n"); - } - return p - out_buf; + spin_unlock(&dbf->pay_lock); } /** - * zfcp_hba_dbf_event_fsf_response - trace event for request completion - * @fsf_req: request that has been completed + * zfcp_dbf_hba_fsf_res - trace event for fsf responses + * @tag: tag indicating which kind of unsolicited status has been received + * @req: request for which a response was received */ -void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *fsf_req) +void zfcp_dbf_hba_fsf_res(char *tag, struct zfcp_fsf_req *req) { - struct zfcp_adapter *adapter = fsf_req->adapter; - struct fsf_qtcb *qtcb = fsf_req->qtcb; - union fsf_prot_status_qual *prot_status_qual = - &qtcb->prefix.prot_status_qual; - union fsf_status_qual *fsf_status_qual = &qtcb->header.fsf_status_qual; - struct scsi_cmnd *scsi_cmnd; - struct zfcp_port *port; - struct zfcp_unit *unit; - struct zfcp_send_els *send_els; - struct zfcp_hba_dbf_record *rec = &adapter->hba_dbf_buf; - struct zfcp_hba_dbf_record_response *response = &rec->u.response; - int level; + struct zfcp_dbf *dbf = req->adapter->dbf; + struct fsf_qtcb_prefix *q_pref = &req->qtcb->prefix; + struct fsf_qtcb_header *q_head = &req->qtcb->header; + struct zfcp_dbf_hba *rec = &dbf->hba_buf; unsigned long flags; - spin_lock_irqsave(&adapter->hba_dbf_lock, flags); + spin_lock_irqsave(&dbf->hba_lock, flags); memset(rec, 0, sizeof(*rec)); - strncpy(rec->tag, "resp", ZFCP_DBF_TAG_SIZE); - - if ((qtcb->prefix.prot_status != FSF_PROT_GOOD) && - (qtcb->prefix.prot_status != FSF_PROT_FSF_STATUS_PRESENTED)) { - strncpy(rec->tag2, "perr", ZFCP_DBF_TAG_SIZE); - level = 1; - } else if (qtcb->header.fsf_status != FSF_GOOD) { - strncpy(rec->tag2, "ferr", ZFCP_DBF_TAG_SIZE); - level = 1; - } else if ((fsf_req->fsf_command == FSF_QTCB_OPEN_PORT_WITH_DID) || - (fsf_req->fsf_command == FSF_QTCB_OPEN_LUN)) { - strncpy(rec->tag2, "open", ZFCP_DBF_TAG_SIZE); - level = 4; - } else if (qtcb->header.log_length) { - strncpy(rec->tag2, "qtcb", ZFCP_DBF_TAG_SIZE); - level = 5; - } else { - strncpy(rec->tag2, "norm", ZFCP_DBF_TAG_SIZE); - level = 6; - } - response->fsf_command = fsf_req->fsf_command; - response->fsf_reqid = (unsigned long)fsf_req; - response->fsf_seqno = fsf_req->seq_no; - response->fsf_issued = fsf_req->issued; - response->fsf_prot_status = qtcb->prefix.prot_status; - response->fsf_status = qtcb->header.fsf_status; - memcpy(response->fsf_prot_status_qual, - prot_status_qual, FSF_PROT_STATUS_QUAL_SIZE); - memcpy(response->fsf_status_qual, - fsf_status_qual, FSF_STATUS_QUALIFIER_SIZE); - response->fsf_req_status = fsf_req->status; - response->sbal_first = fsf_req->sbal_first; - response->sbal_last = fsf_req->sbal_last; - response->sbal_response = fsf_req->sbal_response; - response->pool = fsf_req->pool != NULL; - response->erp_action = (unsigned long)fsf_req->erp_action; - - switch (fsf_req->fsf_command) { - case FSF_QTCB_FCP_CMND: - if (fsf_req->status & ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT) - break; - scsi_cmnd = (struct scsi_cmnd *)fsf_req->data; - if (scsi_cmnd) { - response->u.fcp.cmnd = (unsigned long)scsi_cmnd; - response->u.fcp.serial = scsi_cmnd->serial_number; - } - break; - - case FSF_QTCB_OPEN_PORT_WITH_DID: - case FSF_QTCB_CLOSE_PORT: - case FSF_QTCB_CLOSE_PHYSICAL_PORT: - port = (struct zfcp_port *)fsf_req->data; - response->u.port.wwpn = port->wwpn; - response->u.port.d_id = port->d_id; - response->u.port.port_handle = qtcb->header.port_handle; - break; - - case FSF_QTCB_OPEN_LUN: - case FSF_QTCB_CLOSE_LUN: - unit = (struct zfcp_unit *)fsf_req->data; - port = unit->port; - response->u.unit.wwpn = port->wwpn; - response->u.unit.fcp_lun = unit->fcp_lun; - response->u.unit.port_handle = qtcb->header.port_handle; - response->u.unit.lun_handle = qtcb->header.lun_handle; - break; - - case FSF_QTCB_SEND_ELS: - send_els = (struct zfcp_send_els *)fsf_req->data; - response->u.els.d_id = qtcb->bottom.support.d_id; - response->u.els.ls_code = send_els->ls_code >> 24; - break; - - case FSF_QTCB_ABORT_FCP_CMND: - case FSF_QTCB_SEND_GENERIC: - case FSF_QTCB_EXCHANGE_CONFIG_DATA: - case FSF_QTCB_EXCHANGE_PORT_DATA: - case FSF_QTCB_DOWNLOAD_CONTROL_FILE: - case FSF_QTCB_UPLOAD_CONTROL_FILE: - break; + memcpy(rec->tag, tag, ZFCP_DBF_TAG_LEN); + rec->id = ZFCP_DBF_HBA_RES; + rec->fsf_req_id = req->req_id; + rec->fsf_req_status = req->status; + rec->fsf_cmd = req->fsf_command; + rec->fsf_seq_no = req->seq_no; + rec->u.res.req_issued = req->issued; + rec->u.res.prot_status = q_pref->prot_status; + rec->u.res.fsf_status = q_head->fsf_status; + + memcpy(rec->u.res.prot_status_qual, &q_pref->prot_status_qual, + FSF_PROT_STATUS_QUAL_SIZE); + memcpy(rec->u.res.fsf_status_qual, &q_head->fsf_status_qual, + FSF_STATUS_QUALIFIER_SIZE); + + if (req->fsf_command != FSF_QTCB_FCP_CMND) { + rec->pl_len = q_head->log_length; + zfcp_dbf_pl_write(dbf, (char *)q_pref + q_head->log_start, + rec->pl_len, "fsf_res", req->req_id); } - debug_event(adapter->hba_dbf, level, rec, sizeof(*rec)); - - /* have fcp channel microcode fixed to use as little as possible */ - if (fsf_req->fsf_command != FSF_QTCB_FCP_CMND) { - /* adjust length skipping trailing zeros */ - char *buf = (char *)qtcb + qtcb->header.log_start; - int len = qtcb->header.log_length; - for (; len && !buf[len - 1]; len--); - zfcp_dbf_hexdump(adapter->hba_dbf, rec, sizeof(*rec), level, - buf, len); - } - - spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags); + debug_event(dbf->hba, 1, rec, sizeof(*rec)); + spin_unlock_irqrestore(&dbf->hba_lock, flags); } /** - * zfcp_hba_dbf_event_fsf_unsol - trace event for an unsolicited status buffer + * zfcp_dbf_hba_fsf_uss - trace event for an unsolicited status buffer * @tag: tag indicating which kind of unsolicited status has been received - * @adapter: adapter that has issued the unsolicited status buffer - * @status_buffer: buffer containing payload of unsolicited status + * @req: request providing the unsolicited status */ -void zfcp_hba_dbf_event_fsf_unsol(const char *tag, struct zfcp_adapter *adapter, - struct fsf_status_read_buffer *status_buffer) +void zfcp_dbf_hba_fsf_uss(char *tag, struct zfcp_fsf_req *req) { - struct zfcp_hba_dbf_record *rec = &adapter->hba_dbf_buf; + struct zfcp_dbf *dbf = req->adapter->dbf; + struct fsf_status_read_buffer *srb = req->data; + struct zfcp_dbf_hba *rec = &dbf->hba_buf; unsigned long flags; - spin_lock_irqsave(&adapter->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); - if (status_buffer != NULL) { - rec->u.status.status_type = status_buffer->status_type; - rec->u.status.status_subtype = status_buffer->status_subtype; - memcpy(&rec->u.status.queue_designator, - &status_buffer->queue_designator, - sizeof(struct fsf_queue_designator)); - - switch (status_buffer->status_type) { - case FSF_STATUS_READ_SENSE_DATA_AVAIL: - rec->u.status.payload_size = - ZFCP_DBF_UNSOL_PAYLOAD_SENSE_DATA_AVAIL; - break; - - case FSF_STATUS_READ_BIT_ERROR_THRESHOLD: - rec->u.status.payload_size = - ZFCP_DBF_UNSOL_PAYLOAD_BIT_ERROR_THRESHOLD; - break; - - case FSF_STATUS_READ_LINK_DOWN: - switch (status_buffer->status_subtype) { - case FSF_STATUS_READ_SUB_NO_PHYSICAL_LINK: - case FSF_STATUS_READ_SUB_FDISC_FAILED: - rec->u.status.payload_size = - sizeof(struct fsf_link_down_info); - } - break; - - case FSF_STATUS_READ_FEATURE_UPDATE_ALERT: - rec->u.status.payload_size = - ZFCP_DBF_UNSOL_PAYLOAD_FEATURE_UPDATE_ALERT; - break; - } - memcpy(&rec->u.status.payload, - &status_buffer->payload, rec->u.status.payload_size); - } - debug_event(adapter->hba_dbf, 2, rec, sizeof(*rec)); - spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags); + memcpy(rec->tag, tag, ZFCP_DBF_TAG_LEN); + rec->id = ZFCP_DBF_HBA_USS; + rec->fsf_req_id = req->req_id; + rec->fsf_req_status = req->status; + rec->fsf_cmd = req->fsf_command; + + if (!srb) + goto log; + + rec->u.uss.status_type = srb->status_type; + rec->u.uss.status_subtype = srb->status_subtype; + rec->u.uss.d_id = ntoh24(srb->d_id); + rec->u.uss.lun = srb->fcp_lun; + memcpy(&rec->u.uss.queue_designator, &srb->queue_designator, + sizeof(rec->u.uss.queue_designator)); + + /* status read buffer payload length */ + rec->pl_len = (!srb->length) ? 0 : srb->length - + offsetof(struct fsf_status_read_buffer, payload); + + if (rec->pl_len) + zfcp_dbf_pl_write(dbf, srb->payload.data, rec->pl_len, + "fsf_uss", req->req_id); +log: + debug_event(dbf->hba, 2, rec, sizeof(*rec)); + spin_unlock_irqrestore(&dbf->hba_lock, flags); } /** - * zfcp_hba_dbf_event_qdio - trace event for QDIO related failure - * @adapter: adapter 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 + * zfcp_dbf_hba_bit_err - trace event for bit error conditions + * @tag: tag indicating which kind of unsolicited status has been received + * @req: request which caused the bit_error condition */ -void zfcp_hba_dbf_event_qdio(struct zfcp_adapter *adapter, - unsigned int qdio_error, int sbal_index, - int sbal_count) +void zfcp_dbf_hba_bit_err(char *tag, struct zfcp_fsf_req *req) { - struct zfcp_hba_dbf_record *r = &adapter->hba_dbf_buf; + struct zfcp_dbf *dbf = req->adapter->dbf; + struct zfcp_dbf_hba *rec = &dbf->hba_buf; + struct fsf_status_read_buffer *sr_buf = req->data; unsigned long flags; - spin_lock_irqsave(&adapter->hba_dbf_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(adapter->hba_dbf, 0, r, sizeof(*r)); - spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags); -} - -static void zfcp_hba_dbf_view_response(char **p, - struct zfcp_hba_dbf_record_response *r) -{ - struct timespec t; - - zfcp_dbf_out(p, "fsf_command", "0x%08x", r->fsf_command); - zfcp_dbf_out(p, "fsf_reqid", "0x%0Lx", r->fsf_reqid); - zfcp_dbf_out(p, "fsf_seqno", "0x%08x", r->fsf_seqno); - zfcp_dbf_timestamp(r->fsf_issued, &t); - zfcp_dbf_out(p, "fsf_issued", "%011lu:%06lu", t.tv_sec, t.tv_nsec); - zfcp_dbf_out(p, "fsf_prot_status", "0x%08x", r->fsf_prot_status); - zfcp_dbf_out(p, "fsf_status", "0x%08x", r->fsf_status); - zfcp_dbf_outd(p, "fsf_prot_status_qual", r->fsf_prot_status_qual, - FSF_PROT_STATUS_QUAL_SIZE, 0, FSF_PROT_STATUS_QUAL_SIZE); - zfcp_dbf_outd(p, "fsf_status_qual", r->fsf_status_qual, - FSF_STATUS_QUALIFIER_SIZE, 0, FSF_STATUS_QUALIFIER_SIZE); - zfcp_dbf_out(p, "fsf_req_status", "0x%08x", r->fsf_req_status); - zfcp_dbf_out(p, "sbal_first", "0x%02x", r->sbal_first); - zfcp_dbf_out(p, "sbal_last", "0x%02x", r->sbal_last); - zfcp_dbf_out(p, "sbal_response", "0x%02x", r->sbal_response); - zfcp_dbf_out(p, "pool", "0x%02x", r->pool); - - switch (r->fsf_command) { - case FSF_QTCB_FCP_CMND: - if (r->fsf_req_status & ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT) - break; - zfcp_dbf_out(p, "scsi_cmnd", "0x%0Lx", r->u.fcp.cmnd); - zfcp_dbf_out(p, "scsi_serial", "0x%016Lx", r->u.fcp.serial); - break; - - case FSF_QTCB_OPEN_PORT_WITH_DID: - case FSF_QTCB_CLOSE_PORT: - case FSF_QTCB_CLOSE_PHYSICAL_PORT: - zfcp_dbf_out(p, "wwpn", "0x%016Lx", r->u.port.wwpn); - zfcp_dbf_out(p, "d_id", "0x%06x", r->u.port.d_id); - zfcp_dbf_out(p, "port_handle", "0x%08x", r->u.port.port_handle); - break; - - case FSF_QTCB_OPEN_LUN: - case FSF_QTCB_CLOSE_LUN: - zfcp_dbf_out(p, "wwpn", "0x%016Lx", r->u.unit.wwpn); - zfcp_dbf_out(p, "fcp_lun", "0x%016Lx", r->u.unit.fcp_lun); - zfcp_dbf_out(p, "port_handle", "0x%08x", r->u.unit.port_handle); - zfcp_dbf_out(p, "lun_handle", "0x%08x", r->u.unit.lun_handle); - break; - - case FSF_QTCB_SEND_ELS: - zfcp_dbf_out(p, "d_id", "0x%06x", r->u.els.d_id); - zfcp_dbf_out(p, "ls_code", "0x%02x", r->u.els.ls_code); - break; - - case FSF_QTCB_ABORT_FCP_CMND: - case FSF_QTCB_SEND_GENERIC: - case FSF_QTCB_EXCHANGE_CONFIG_DATA: - case FSF_QTCB_EXCHANGE_PORT_DATA: - case FSF_QTCB_DOWNLOAD_CONTROL_FILE: - case FSF_QTCB_UPLOAD_CONTROL_FILE: - break; - } -} + spin_lock_irqsave(&dbf->hba_lock, flags); + memset(rec, 0, sizeof(*rec)); -static void zfcp_hba_dbf_view_status(char **p, - struct zfcp_hba_dbf_record_status *r) -{ - zfcp_dbf_out(p, "failed", "0x%02x", r->failed); - zfcp_dbf_out(p, "status_type", "0x%08x", r->status_type); - zfcp_dbf_out(p, "status_subtype", "0x%08x", r->status_subtype); - zfcp_dbf_outd(p, "queue_designator", (char *)&r->queue_designator, - sizeof(struct fsf_queue_designator), 0, - sizeof(struct fsf_queue_designator)); - zfcp_dbf_outd(p, "payload", (char *)&r->payload, r->payload_size, 0, - r->payload_size); -} + memcpy(rec->tag, tag, ZFCP_DBF_TAG_LEN); + rec->id = ZFCP_DBF_HBA_BIT; + rec->fsf_req_id = req->req_id; + rec->fsf_req_status = req->status; + rec->fsf_cmd = req->fsf_command; + memcpy(&rec->u.be, &sr_buf->payload.bit_error, + sizeof(struct fsf_bit_error_payload)); -static void zfcp_hba_dbf_view_qdio(char **p, struct zfcp_hba_dbf_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); + debug_event(dbf->hba, 1, rec, sizeof(*rec)); + spin_unlock_irqrestore(&dbf->hba_lock, flags); } -static int zfcp_hba_dbf_view_format(debug_info_t *id, struct debug_view *view, - char *out_buf, const char *in_buf) +/** + * zfcp_dbf_hba_def_err - trace event for deferred error messages + * @adapter: pointer to struct zfcp_adapter + * @req_id: request id which caused the deferred error message + * @scount: number of sbals incl. the signaling sbal + * @pl: array of all involved sbals + */ +void zfcp_dbf_hba_def_err(struct zfcp_adapter *adapter, u64 req_id, u16 scount, + void **pl) { - struct zfcp_hba_dbf_record *r = (struct zfcp_hba_dbf_record *)in_buf; - char *p = out_buf; - - if (strncmp(r->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0) - return 0; + struct zfcp_dbf *dbf = adapter->dbf; + struct zfcp_dbf_pay *payload = &dbf->pay_buf; + unsigned long flags; + u16 length; - zfcp_dbf_tag(&p, "tag", r->tag); - if (isalpha(r->tag2[0])) - zfcp_dbf_tag(&p, "tag2", r->tag2); + if (!pl) + return; - if (strncmp(r->tag, "resp", ZFCP_DBF_TAG_SIZE) == 0) - zfcp_hba_dbf_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); - else if (strncmp(r->tag, "qdio", ZFCP_DBF_TAG_SIZE) == 0) - zfcp_hba_dbf_view_qdio(&p, &r->u.qdio); + spin_lock_irqsave(&dbf->pay_lock, flags); + memset(payload, 0, sizeof(*payload)); - p += sprintf(p, "\n"); - return p - out_buf; -} + memcpy(payload->area, "def_err", 7); + payload->fsf_req_id = req_id; + payload->counter = 0; + length = min((u16)sizeof(struct qdio_buffer), + (u16)ZFCP_DBF_PAY_MAX_REC); -static struct debug_view zfcp_hba_dbf_view = { - "structured", - NULL, - &zfcp_dbf_view_header, - &zfcp_hba_dbf_view_format, - NULL, - NULL -}; - -static const char *zfcp_rec_dbf_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 const char *zfcp_rec_dbf_ids[] = { - [1] = "new", - [2] = "ready", - [3] = "kill", - [4] = "down sleep", - [5] = "down wakeup", - [6] = "down sleep ecd", - [7] = "down wakeup ecd", - [8] = "down sleep epd", - [9] = "down wakeup epd", - [10] = "online", - [11] = "operational", - [12] = "scsi slave destroy", - [13] = "propagate failed adapter", - [14] = "propagate failed port", - [15] = "block adapter", - [16] = "unblock adapter", - [17] = "block port", - [18] = "unblock port", - [19] = "block unit", - [20] = "unblock unit", - [21] = "unit recovery failed", - [22] = "port recovery failed", - [23] = "adapter recovery failed", - [24] = "qdio queues down", - [25] = "p2p failed", - [26] = "nameserver lookup failed", - [27] = "nameserver port failed", - [28] = "link up", - [29] = "link down", - [30] = "link up status read", - [31] = "open port failed", - [32] = "open port failed", - [33] = "close port", - [34] = "open unit failed", - [35] = "exclusive open unit failed", - [36] = "shared open unit failed", - [37] = "link down", - [38] = "link down status read no link", - [39] = "link down status read fdisc login", - [40] = "link down status read firmware update", - [41] = "link down status read unknown reason", - [42] = "link down ecd incomplete", - [43] = "link down epd incomplete", - [44] = "sysfs adapter recovery", - [45] = "sysfs port recovery", - [46] = "sysfs unit recovery", - [47] = "port boxed abort", - [48] = "unit boxed abort", - [49] = "port boxed ct", - [50] = "port boxed close physical", - [51] = "port boxed open unit", - [52] = "port boxed close unit", - [53] = "port boxed fcp", - [54] = "unit boxed fcp", - [55] = "port access denied", - [56] = "", - [57] = "", - [58] = "", - [59] = "unit access denied", - [60] = "shared unit access denied open unit", - [61] = "", - [62] = "request timeout", - [63] = "adisc link test reject or timeout", - [64] = "adisc link test d_id changed", - [65] = "adisc link test failed", - [66] = "recovery out of memory", - [67] = "adapter recovery repeated after state change", - [68] = "port recovery repeated after state change", - [69] = "unit recovery repeated after state change", - [70] = "port recovery follow-up after successful adapter recovery", - [71] = "adapter recovery escalation after failed adapter recovery", - [72] = "port recovery follow-up after successful physical port " - "recovery", - [73] = "adapter recovery escalation after failed physical port " - "recovery", - [74] = "unit recovery follow-up after successful port recovery", - [75] = "physical port recovery escalation after failed port " - "recovery", - [76] = "port recovery escalation after failed unit recovery", - [77] = "recovery opening nameserver port", - [78] = "duplicate request id", - [79] = "link down", - [80] = "exclusive read-only unit access unsupported", - [81] = "shared read-write unit access unsupported", - [82] = "incoming rscn", - [83] = "incoming wwpn", - [84] = "", - [85] = "online", - [86] = "offline", - [87] = "ccw device gone", - [88] = "ccw device no path", - [89] = "ccw device operational", - [90] = "ccw device shutdown", - [91] = "sysfs port addition", - [92] = "sysfs port removal", - [93] = "sysfs adapter recovery", - [94] = "sysfs unit addition", - [95] = "sysfs unit removal", - [96] = "sysfs port recovery", - [97] = "sysfs unit recovery", - [98] = "sequence number mismatch", - [99] = "link up", - [100] = "error state", - [101] = "status read physical port closed", - [102] = "link up status read", - [103] = "too many failed status read buffers", - [104] = "port handle not valid abort", - [105] = "lun handle not valid abort", - [106] = "port handle not valid ct", - [107] = "port handle not valid close port", - [108] = "port handle not valid close physical port", - [109] = "port handle not valid open unit", - [110] = "port handle not valid close unit", - [111] = "lun handle not valid close unit", - [112] = "port handle not valid fcp", - [113] = "lun handle not valid fcp", - [114] = "handle mismatch fcp", - [115] = "lun not valid fcp", - [116] = "qdio send failed", - [117] = "version mismatch", - [118] = "incompatible qtcb type", - [119] = "unknown protocol status", - [120] = "unknown fsf command", - [121] = "no recommendation for status qualifier", - [122] = "status read physical port closed in error", - [123] = "fc service class not supported", - [124] = "", - [125] = "need newer zfcp", - [126] = "need newer microcode", - [127] = "arbitrated loop not supported", - [128] = "unknown topology", - [129] = "qtcb size mismatch", - [130] = "unknown fsf status ecd", - [131] = "fcp request too big", - [132] = "", - [133] = "data direction not valid fcp", - [134] = "command length not valid fcp", - [135] = "status read act update", - [136] = "status read cfdc update", - [137] = "hbaapi port open", - [138] = "hbaapi unit open", - [139] = "hbaapi unit shutdown", - [140] = "qdio error outbound", - [141] = "scsi host reset", - [142] = "dismissing fsf request for recovery action", - [143] = "recovery action timed out", - [144] = "recovery action gone", - [145] = "recovery action being processed", - [146] = "recovery action ready for next step", - [147] = "qdio error inbound", - [148] = "nameserver needed for port scan", - [149] = "port scan", - [150] = "ptp attach", - [151] = "port validation failed", -}; - -static int zfcp_rec_dbf_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; - char *p = buf; - - zfcp_dbf_outs(&p, "tag", zfcp_rec_dbf_tags[r->id]); - zfcp_dbf_outs(&p, "hint", zfcp_rec_dbf_ids[r->id2]); - zfcp_dbf_out(&p, "id", "%d", r->id2); - switch (r->id) { - case ZFCP_REC_DBF_ID_THREAD: - zfcp_dbf_out(&p, "total", "%d", r->u.thread.total); - zfcp_dbf_out(&p, "ready", "%d", r->u.thread.ready); - zfcp_dbf_out(&p, "running", "%d", r->u.thread.running); - break; - case ZFCP_REC_DBF_ID_TARGET: - zfcp_dbf_out(&p, "reference", "0x%016Lx", r->u.target.ref); - zfcp_dbf_out(&p, "status", "0x%08x", r->u.target.status); - zfcp_dbf_out(&p, "erp_count", "%d", r->u.target.erp_count); - zfcp_dbf_out(&p, "d_id", "0x%06x", r->u.target.d_id); - zfcp_dbf_out(&p, "wwpn", "0x%016Lx", r->u.target.wwpn); - zfcp_dbf_out(&p, "fcp_lun", "0x%016Lx", r->u.target.fcp_lun); - break; - case ZFCP_REC_DBF_ID_TRIGGER: - zfcp_dbf_out(&p, "reference", "0x%016Lx", r->u.trigger.ref); - zfcp_dbf_out(&p, "erp_action", "0x%016Lx", r->u.trigger.action); - zfcp_dbf_out(&p, "requested", "%d", r->u.trigger.want); - zfcp_dbf_out(&p, "executed", "%d", r->u.trigger.need); - zfcp_dbf_out(&p, "wwpn", "0x%016Lx", r->u.trigger.wwpn); - zfcp_dbf_out(&p, "fcp_lun", "0x%016Lx", r->u.trigger.fcp_lun); - zfcp_dbf_out(&p, "adapter_status", "0x%08x", r->u.trigger.as); - zfcp_dbf_out(&p, "port_status", "0x%08x", r->u.trigger.ps); - zfcp_dbf_out(&p, "unit_status", "0x%08x", r->u.trigger.us); - break; - case ZFCP_REC_DBF_ID_ACTION: - zfcp_dbf_out(&p, "erp_action", "0x%016Lx", r->u.action.action); - zfcp_dbf_out(&p, "fsf_req", "0x%016Lx", r->u.action.fsf_req); - zfcp_dbf_out(&p, "status", "0x%08Lx", r->u.action.status); - zfcp_dbf_out(&p, "step", "0x%08Lx", r->u.action.step); - break; + while (payload->counter < scount && (char *)pl[payload->counter]) { + memcpy(payload->data, (char *)pl[payload->counter], length); + debug_event(dbf->pay, 1, payload, zfcp_dbf_plen(length)); + payload->counter++; } - p += sprintf(p, "\n"); - return p - buf; -} - -static struct debug_view zfcp_rec_dbf_view = { - "structured", - NULL, - &zfcp_dbf_view_header, - &zfcp_rec_dbf_view_format, - NULL, - NULL -}; -/** - * zfcp_rec_dbf_event_thread - trace event related to recovery thread operation - * @id2: identifier for event - * @adapter: adapter - * This function assumes that the caller is holding erp_lock. - */ -void zfcp_rec_dbf_event_thread(u8 id2, struct zfcp_adapter *adapter) -{ - struct zfcp_rec_dbf_record *r = &adapter->rec_dbf_buf; - unsigned long flags = 0; - struct list_head *entry; - unsigned ready = 0, running = 0, total; - - list_for_each(entry, &adapter->erp_ready_head) - ready++; - list_for_each(entry, &adapter->erp_running_head) - running++; - total = adapter->erp_total_count; - - spin_lock_irqsave(&adapter->rec_dbf_lock, flags); - memset(r, 0, sizeof(*r)); - r->id = ZFCP_REC_DBF_ID_THREAD; - r->id2 = id2; - r->u.thread.total = total; - r->u.thread.ready = ready; - r->u.thread.running = running; - debug_event(adapter->rec_dbf, 6, r, sizeof(*r)); - spin_unlock_irqrestore(&adapter->rec_dbf_lock, flags); + spin_unlock_irqrestore(&dbf->pay_lock, flags); } /** - * zfcp_rec_dbf_event_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. + * zfcp_dbf_hba_basic - trace event for basic adapter events + * @adapter: pointer to struct zfcp_adapter */ -void zfcp_rec_dbf_event_thread_lock(u8 id2, struct zfcp_adapter *adapter) +void zfcp_dbf_hba_basic(char *tag, struct zfcp_adapter *adapter) { + struct zfcp_dbf *dbf = adapter->dbf; + struct zfcp_dbf_hba *rec = &dbf->hba_buf; unsigned long flags; - read_lock_irqsave(&adapter->erp_lock, flags); - zfcp_rec_dbf_event_thread(id2, adapter); - read_unlock_irqrestore(&adapter->erp_lock, flags); -} + spin_lock_irqsave(&dbf->hba_lock, flags); + memset(rec, 0, sizeof(*rec)); -static void zfcp_rec_dbf_event_target(u8 id2, void *ref, - struct zfcp_adapter *adapter, - atomic_t *status, atomic_t *erp_count, - u64 wwpn, u32 d_id, u64 fcp_lun) -{ - struct zfcp_rec_dbf_record *r = &adapter->rec_dbf_buf; - unsigned long flags; + memcpy(rec->tag, tag, ZFCP_DBF_TAG_LEN); + rec->id = ZFCP_DBF_HBA_BASIC; - spin_lock_irqsave(&adapter->rec_dbf_lock, flags); - memset(r, 0, sizeof(*r)); - r->id = ZFCP_REC_DBF_ID_TARGET; - r->id2 = id2; - r->u.target.ref = (unsigned long)ref; - r->u.target.status = atomic_read(status); - r->u.target.wwpn = wwpn; - 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(adapter->rec_dbf, 3, r, sizeof(*r)); - spin_unlock_irqrestore(&adapter->rec_dbf_lock, flags); + debug_event(dbf->hba, 1, rec, sizeof(*rec)); + spin_unlock_irqrestore(&dbf->hba_lock, flags); } -/** - * zfcp_rec_dbf_event_adapter - trace event for adapter state change - * @id: identifier for trigger of state change - * @ref: additional reference (e.g. request) - * @adapter: adapter - */ -void zfcp_rec_dbf_event_adapter(u8 id, void *ref, struct zfcp_adapter *adapter) +static void zfcp_dbf_set_common(struct zfcp_dbf_rec *rec, + struct zfcp_adapter *adapter, + struct zfcp_port *port, + struct scsi_device *sdev) { - zfcp_rec_dbf_event_target(id, ref, adapter, &adapter->status, - &adapter->erp_counter, 0, 0, 0); + rec->adapter_status = atomic_read(&adapter->status); + if (port) { + rec->port_status = atomic_read(&port->status); + rec->wwpn = port->wwpn; + rec->d_id = port->d_id; + } + if (sdev) { + rec->lun_status = atomic_read(&sdev_to_zfcp(sdev)->status); + rec->lun = zfcp_scsi_dev_lun(sdev); + } } /** - * zfcp_rec_dbf_event_port - trace event for port state change - * @id: identifier for trigger of state change - * @ref: additional reference (e.g. request) - * @port: port + * zfcp_dbf_rec_trig - trace event related to triggered recovery + * @tag: identifier for event + * @adapter: adapter on which the erp_action should run + * @port: remote port involved in the erp_action + * @sdev: scsi device involved in the erp_action + * @want: wanted erp_action + * @need: required erp_action + * + * The adapter->erp_lock has to be held. */ -void zfcp_rec_dbf_event_port(u8 id, void *ref, struct zfcp_port *port) +void zfcp_dbf_rec_trig(char *tag, struct zfcp_adapter *adapter, + struct zfcp_port *port, struct scsi_device *sdev, + u8 want, u8 need) { - struct zfcp_adapter *adapter = port->adapter; + struct zfcp_dbf *dbf = adapter->dbf; + struct zfcp_dbf_rec *rec = &dbf->rec_buf; + struct list_head *entry; + unsigned long flags; - zfcp_rec_dbf_event_target(id, ref, adapter, &port->status, - &port->erp_counter, port->wwpn, port->d_id, - 0); -} + spin_lock_irqsave(&dbf->rec_lock, flags); + memset(rec, 0, sizeof(*rec)); -/** - * zfcp_rec_dbf_event_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(u8 id, void *ref, struct zfcp_unit *unit) -{ - struct zfcp_port *port = unit->port; - struct zfcp_adapter *adapter = port->adapter; + rec->id = ZFCP_DBF_REC_TRIG; + memcpy(rec->tag, tag, ZFCP_DBF_TAG_LEN); + zfcp_dbf_set_common(rec, adapter, port, sdev); - zfcp_rec_dbf_event_target(id, ref, adapter, &unit->status, - &unit->erp_counter, port->wwpn, port->d_id, - unit->fcp_lun); -} + list_for_each(entry, &adapter->erp_ready_head) + rec->u.trig.ready++; -/** - * zfcp_rec_dbf_event_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 - * @need: error recovery action actually initiated - * @action: address of error recovery action struct - * @adapter: adapter - * @port: port - * @unit: unit - */ -void zfcp_rec_dbf_event_trigger(u8 id2, void *ref, u8 want, u8 need, - void *action, struct zfcp_adapter *adapter, - struct zfcp_port *port, struct zfcp_unit *unit) -{ - struct zfcp_rec_dbf_record *r = &adapter->rec_dbf_buf; - unsigned long flags; + list_for_each(entry, &adapter->erp_running_head) + rec->u.trig.running++; - spin_lock_irqsave(&adapter->rec_dbf_lock, flags); - memset(r, 0, sizeof(*r)); - r->id = ZFCP_REC_DBF_ID_TRIGGER; - r->id2 = id2; - r->u.trigger.ref = (unsigned long)ref; - r->u.trigger.want = want; - r->u.trigger.need = need; - r->u.trigger.action = (unsigned long)action; - r->u.trigger.as = atomic_read(&adapter->status); - if (port) { - r->u.trigger.ps = atomic_read(&port->status); - r->u.trigger.wwpn = port->wwpn; - } - if (unit) { - r->u.trigger.us = atomic_read(&unit->status); - r->u.trigger.fcp_lun = unit->fcp_lun; - } - debug_event(adapter->rec_dbf, action ? 1 : 4, r, sizeof(*r)); - spin_unlock_irqrestore(&adapter->rec_dbf_lock, flags); + rec->u.trig.want = want; + rec->u.trig.need = need; + + debug_event(dbf->rec, 1, rec, sizeof(*rec)); + spin_unlock_irqrestore(&dbf->rec_lock, flags); } + /** - * zfcp_rec_dbf_event_action - trace event showing progress of recovery action - * @id2: identifier - * @erp_action: error recovery action struct pointer + * zfcp_dbf_rec_run - trace event related to running recovery + * @tag: identifier for event + * @erp: erp_action running */ -void zfcp_rec_dbf_event_action(u8 id2, struct zfcp_erp_action *erp_action) +void zfcp_dbf_rec_run(char *tag, struct zfcp_erp_action *erp) { - struct zfcp_adapter *adapter = erp_action->adapter; - struct zfcp_rec_dbf_record *r = &adapter->rec_dbf_buf; + struct zfcp_dbf *dbf = erp->adapter->dbf; + struct zfcp_dbf_rec *rec = &dbf->rec_buf; unsigned long flags; - spin_lock_irqsave(&adapter->rec_dbf_lock, flags); - memset(r, 0, sizeof(*r)); - r->id = ZFCP_REC_DBF_ID_ACTION; - r->id2 = id2; - r->u.action.action = (unsigned long)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(adapter->rec_dbf, 5, r, sizeof(*r)); - spin_unlock_irqrestore(&adapter->rec_dbf_lock, flags); -} + spin_lock_irqsave(&dbf->rec_lock, flags); + memset(rec, 0, sizeof(*rec)); -/** - * zfcp_san_dbf_event_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) -{ - struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data; - struct zfcp_port *port = ct->port; - struct zfcp_adapter *adapter = port->adapter; - struct ct_hdr *hdr = zfcp_sg_to_address(ct->req); - struct zfcp_san_dbf_record *r = &adapter->san_dbf_buf; - struct zfcp_san_dbf_record_ct_request *oct = &r->u.ct_req; - unsigned long flags; + rec->id = ZFCP_DBF_REC_RUN; + memcpy(rec->tag, tag, ZFCP_DBF_TAG_LEN); + zfcp_dbf_set_common(rec, erp->adapter, erp->port, erp->sdev); - spin_lock_irqsave(&adapter->san_dbf_lock, flags); - memset(r, 0, sizeof(*r)); - strncpy(r->tag, "octc", ZFCP_DBF_TAG_SIZE); - r->fsf_reqid = (unsigned long)fsf_req; - r->fsf_seqno = fsf_req->seq_no; - r->s_id = fc_host_port_id(adapter->scsi_host); - r->d_id = port->d_id; - oct->cmd_req_code = hdr->cmd_rsp_code; - oct->revision = hdr->revision; - oct->gs_type = hdr->gs_type; - oct->gs_subtype = hdr->gs_subtype; - oct->options = hdr->options; - oct->max_res_size = hdr->max_res_size; - oct->len = min((int)ct->req->length - (int)sizeof(struct ct_hdr), - ZFCP_DBF_CT_PAYLOAD); - memcpy(oct->payload, (void *)hdr + sizeof(struct ct_hdr), oct->len); - debug_event(adapter->san_dbf, 3, r, sizeof(*r)); - spin_unlock_irqrestore(&adapter->san_dbf_lock, flags); -} + rec->u.run.fsf_req_id = erp->fsf_req_id; + rec->u.run.rec_status = erp->status; + rec->u.run.rec_step = erp->step; + rec->u.run.rec_action = erp->action; -/** - * zfcp_san_dbf_event_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) -{ - struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data; - struct zfcp_port *port = ct->port; - struct zfcp_adapter *adapter = port->adapter; - struct ct_hdr *hdr = zfcp_sg_to_address(ct->resp); - struct zfcp_san_dbf_record *r = &adapter->san_dbf_buf; - struct zfcp_san_dbf_record_ct_response *rct = &r->u.ct_resp; - unsigned long flags; + if (erp->sdev) + rec->u.run.rec_count = + atomic_read(&sdev_to_zfcp(erp->sdev)->erp_counter); + else if (erp->port) + rec->u.run.rec_count = atomic_read(&erp->port->erp_counter); + else + rec->u.run.rec_count = atomic_read(&erp->adapter->erp_counter); - spin_lock_irqsave(&adapter->san_dbf_lock, flags); - memset(r, 0, sizeof(*r)); - strncpy(r->tag, "rctc", ZFCP_DBF_TAG_SIZE); - r->fsf_reqid = (unsigned long)fsf_req; - r->fsf_seqno = fsf_req->seq_no; - r->s_id = port->d_id; - r->d_id = fc_host_port_id(adapter->scsi_host); - rct->cmd_rsp_code = hdr->cmd_rsp_code; - rct->revision = hdr->revision; - rct->reason_code = hdr->reason_code; - rct->expl = hdr->reason_code_expl; - rct->vendor_unique = hdr->vendor_unique; - rct->len = min((int)ct->resp->length - (int)sizeof(struct ct_hdr), - ZFCP_DBF_CT_PAYLOAD); - memcpy(rct->payload, (void *)hdr + sizeof(struct ct_hdr), rct->len); - debug_event(adapter->san_dbf, 3, r, sizeof(*r)); - spin_unlock_irqrestore(&adapter->san_dbf_lock, flags); + debug_event(dbf->rec, 1, rec, sizeof(*rec)); + spin_unlock_irqrestore(&dbf->rec_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 inline +void zfcp_dbf_san(char *tag, struct zfcp_dbf *dbf, void *data, u8 id, u16 len, + u64 req_id, u32 d_id) { - struct zfcp_adapter *adapter = fsf_req->adapter; - struct zfcp_san_dbf_record *rec = &adapter->san_dbf_buf; + struct zfcp_dbf_san *rec = &dbf->san_buf; + u16 rec_len; unsigned long flags; - spin_lock_irqsave(&adapter->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 = (unsigned long)fsf_req; - rec->fsf_seqno = fsf_req->seq_no; - rec->s_id = s_id; + + rec->id = id; + rec->fsf_req_id = req_id; rec->d_id = d_id; - rec->u.els.ls_code = ls_code; - debug_event(adapter->san_dbf, level, rec, sizeof(*rec)); - zfcp_dbf_hexdump(adapter->san_dbf, rec, sizeof(*rec), level, - buffer, min(buflen, ZFCP_DBF_ELS_MAX_PAYLOAD)); - spin_unlock_irqrestore(&adapter->san_dbf_lock, flags); + rec_len = min(len, (u16)ZFCP_DBF_SAN_MAX_PAYLOAD); + memcpy(rec->payload, data, rec_len); + memcpy(rec->tag, tag, ZFCP_DBF_TAG_LEN); + + debug_event(dbf->san, 1, rec, sizeof(*rec)); + spin_unlock_irqrestore(&dbf->san_lock, flags); } /** - * zfcp_san_dbf_event_els_request - trace event for issued ELS - * @fsf_req: request containing issued ELS + * zfcp_dbf_san_req - trace event for issued SAN request + * @tag: identifier for event + * @fsf_req: request containing issued CT data + * d_id: destination ID */ -void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *fsf_req) +void zfcp_dbf_san_req(char *tag, struct zfcp_fsf_req *fsf, u32 d_id) { - struct zfcp_send_els *els = (struct zfcp_send_els *)fsf_req->data; + struct zfcp_dbf *dbf = fsf->adapter->dbf; + struct zfcp_fsf_ct_els *ct_els = fsf->data; + u16 length; - zfcp_san_dbf_event_els("oels", 2, fsf_req, - fc_host_port_id(els->adapter->scsi_host), - els->d_id, *(u8 *) zfcp_sg_to_address(els->req), - zfcp_sg_to_address(els->req), els->req->length); + length = (u16)(ct_els->req->length + FC_CT_HDR_LEN); + zfcp_dbf_san(tag, dbf, sg_virt(ct_els->req), ZFCP_DBF_SAN_REQ, length, + fsf->req_id, d_id); } /** - * zfcp_san_dbf_event_els_response - trace event for completed ELS - * @fsf_req: request containing ELS response + * zfcp_dbf_san_res - trace event for received SAN request + * @tag: identifier for event + * @fsf_req: request containing issued CT data */ -void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *fsf_req) +void zfcp_dbf_san_res(char *tag, struct zfcp_fsf_req *fsf) { - struct zfcp_send_els *els = (struct zfcp_send_els *)fsf_req->data; + struct zfcp_dbf *dbf = fsf->adapter->dbf; + struct zfcp_fsf_ct_els *ct_els = fsf->data; + u16 length; - zfcp_san_dbf_event_els("rels", 2, fsf_req, els->d_id, - fc_host_port_id(els->adapter->scsi_host), - *(u8 *)zfcp_sg_to_address(els->req), - zfcp_sg_to_address(els->resp), - els->resp->length); + length = (u16)(ct_els->resp->length + FC_CT_HDR_LEN); + zfcp_dbf_san(tag, dbf, sg_virt(ct_els->resp), ZFCP_DBF_SAN_RES, length, + fsf->req_id, 0); } /** - * zfcp_san_dbf_event_incoming_els - trace event for incomig ELS - * @fsf_req: request containing unsolicited status buffer with incoming ELS + * zfcp_dbf_san_in_els - trace event for incoming ELS + * @tag: identifier for event + * @fsf_req: request containing issued CT data */ -void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *fsf_req) -{ - struct zfcp_adapter *adapter = fsf_req->adapter; - struct fsf_status_read_buffer *buf = - (struct fsf_status_read_buffer *)fsf_req->data; - int length = (int)buf->length - - (int)((void *)&buf->payload - (void *)buf); - - zfcp_san_dbf_event_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, - char *out_buf, const char *in_buf) +void zfcp_dbf_san_in_els(char *tag, struct zfcp_fsf_req *fsf) { - struct zfcp_san_dbf_record *r = (struct zfcp_san_dbf_record *)in_buf; - char *buffer = NULL; - int buflen = 0, total = 0; - char *p = out_buf; - - if (strncmp(r->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0) - return 0; - - zfcp_dbf_tag(&p, "tag", r->tag); - zfcp_dbf_out(&p, "fsf_reqid", "0x%0Lx", r->fsf_reqid); - zfcp_dbf_out(&p, "fsf_seqno", "0x%08x", r->fsf_seqno); - zfcp_dbf_out(&p, "s_id", "0x%06x", r->s_id); - 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; - 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); - zfcp_dbf_out(&p, "gs_subtype", "0x%02x", ct->gs_subtype); - zfcp_dbf_out(&p, "options", "0x%02x", ct->options); - zfcp_dbf_out(&p, "max_res_size", "0x%04x", ct->max_res_size); - total = ct->len; - buffer = ct->payload; - buflen = min(total, ZFCP_DBF_CT_PAYLOAD); - } else if (strncmp(r->tag, "rctc", ZFCP_DBF_TAG_SIZE) == 0) { - struct zfcp_san_dbf_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); - zfcp_dbf_out(&p, "reason_code_expl", "0x%02x", ct->expl); - zfcp_dbf_out(&p, "vendor_unique", "0x%02x", ct->vendor_unique); - total = ct->len; - buffer = ct->payload; - buflen = min(total, ZFCP_DBF_CT_PAYLOAD); - } 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; - zfcp_dbf_out(&p, "ls_code", "0x%02x", els->ls_code); - total = els->len; - buffer = els->payload; - buflen = min(total, ZFCP_DBF_ELS_PAYLOAD); - } - - zfcp_dbf_outd(&p, "payload", buffer, buflen, 0, total); - if (buflen == total) - p += sprintf(p, "\n"); + struct zfcp_dbf *dbf = fsf->adapter->dbf; + struct fsf_status_read_buffer *srb = + (struct fsf_status_read_buffer *) fsf->data; + u16 length; - return p - out_buf; + length = (u16)(srb->length - + offsetof(struct fsf_status_read_buffer, payload)); + zfcp_dbf_san(tag, dbf, srb->payload.data, ZFCP_DBF_SAN_ELS, length, + fsf->req_id, ntoh24(srb->d_id)); } -static struct debug_view zfcp_san_dbf_view = { - "structured", - NULL, - &zfcp_dbf_view_header, - &zfcp_san_dbf_view_format, - NULL, - NULL -}; - -static void zfcp_scsi_dbf_event(const char *tag, const char *tag2, int level, - struct zfcp_adapter *adapter, - struct scsi_cmnd *scsi_cmnd, - struct zfcp_fsf_req *fsf_req, - unsigned long old_req_id) -{ - struct zfcp_scsi_dbf_record *rec = &adapter->scsi_dbf_buf; - struct zfcp_dbf_dump *dump = (struct zfcp_dbf_dump *)rec; +/** + * zfcp_dbf_scsi - trace event for scsi commands + * @tag: identifier for event + * @sc: pointer to struct scsi_cmnd + * @fsf: pointer to struct zfcp_fsf_req + */ +void zfcp_dbf_scsi(char *tag, struct scsi_cmnd *sc, struct zfcp_fsf_req *fsf) +{ + struct zfcp_adapter *adapter = + (struct zfcp_adapter *) sc->device->host->hostdata[0]; + struct zfcp_dbf *dbf = adapter->dbf; + struct zfcp_dbf_scsi *rec = &dbf->scsi_buf; + struct fcp_resp_with_ext *fcp_rsp; + struct fcp_resp_rsp_info *fcp_rsp_info; 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(&adapter->scsi_dbf_lock, flags); - do { - memset(rec, 0, sizeof(*rec)); - if (offset == 0) { - strncpy(rec->tag, tag, ZFCP_DBF_TAG_SIZE); - strncpy(rec->tag2, tag2, ZFCP_DBF_TAG_SIZE); - if (scsi_cmnd != NULL) { - if (scsi_cmnd->device) { - rec->scsi_id = scsi_cmnd->device->id; - rec->scsi_lun = scsi_cmnd->device->lun; - } - rec->scsi_result = scsi_cmnd->result; - rec->scsi_cmnd = (unsigned long)scsi_cmnd; - rec->scsi_serial = scsi_cmnd->serial_number; - memcpy(rec->scsi_opcode, scsi_cmnd->cmnd, - min((int)scsi_cmnd->cmd_len, - ZFCP_DBF_SCSI_OPCODE)); - rec->scsi_retries = scsi_cmnd->retries; - rec->scsi_allowed = scsi_cmnd->allowed; - } - if (fsf_req != NULL) { - fcp_rsp = (struct fcp_rsp_iu *) - &(fsf_req->qtcb->bottom.io.fcp_rsp); - fcp_rsp_info = (unsigned char *) &fcp_rsp[1]; - fcp_sns_info = - zfcp_get_fcp_sns_info_ptr(fcp_rsp); - - rec->rsp_validity = fcp_rsp->validity.value; - rec->rsp_scsi_status = fcp_rsp->scsi_status; - rec->rsp_resid = fcp_rsp->fcp_resid; - if (fcp_rsp->validity.bits.fcp_rsp_len_valid) - rec->rsp_code = *(fcp_rsp_info + 3); - if (fcp_rsp->validity.bits.fcp_sns_len_valid) { - buflen = min((int)fcp_rsp->fcp_sns_len, - ZFCP_DBF_SCSI_MAX_FCP_SNS_INFO); - rec->sns_info_len = buflen; - memcpy(rec->sns_info, fcp_sns_info, - min(buflen, - ZFCP_DBF_SCSI_FCP_SNS_INFO)); - offset += min(buflen, - ZFCP_DBF_SCSI_FCP_SNS_INFO); - } - - rec->fsf_reqid = (unsigned long)fsf_req; - rec->fsf_seqno = fsf_req->seq_no; - rec->fsf_issued = fsf_req->issued; - } - rec->old_fsf_reqid = old_req_id; - } else { - strncpy(dump->tag, "dump", ZFCP_DBF_TAG_SIZE); - dump->total_size = buflen; - dump->offset = offset; - dump->size = min(buflen - offset, - (int)sizeof(struct - zfcp_scsi_dbf_record) - - (int)sizeof(struct zfcp_dbf_dump)); - memcpy(dump->data, fcp_sns_info + offset, dump->size); - offset += dump->size; + + spin_lock_irqsave(&dbf->scsi_lock, flags); + memset(rec, 0, sizeof(*rec)); + + memcpy(rec->tag, tag, ZFCP_DBF_TAG_LEN); + rec->id = ZFCP_DBF_SCSI_CMND; + rec->scsi_result = sc->result; + rec->scsi_retries = sc->retries; + rec->scsi_allowed = sc->allowed; + rec->scsi_id = sc->device->id; + rec->scsi_lun = sc->device->lun; + rec->host_scribble = (unsigned long)sc->host_scribble; + + memcpy(rec->scsi_opcode, sc->cmnd, + min((int)sc->cmd_len, ZFCP_DBF_SCSI_OPCODE)); + + if (fsf) { + rec->fsf_req_id = fsf->req_id; + fcp_rsp = (struct fcp_resp_with_ext *) + &(fsf->qtcb->bottom.io.fcp_rsp); + memcpy(&rec->fcp_rsp, fcp_rsp, FCP_RESP_WITH_EXT); + if (fcp_rsp->resp.fr_flags & FCP_RSP_LEN_VAL) { + fcp_rsp_info = (struct fcp_resp_rsp_info *) &fcp_rsp[1]; + rec->fcp_rsp_info = fcp_rsp_info->rsp_code; } - debug_event(adapter->scsi_dbf, level, rec, sizeof(*rec)); - } while (offset < buflen); - spin_unlock_irqrestore(&adapter->scsi_dbf_lock, flags); -} + if (fcp_rsp->resp.fr_flags & FCP_SNS_LEN_VAL) { + rec->pl_len = min((u16)SCSI_SENSE_BUFFERSIZE, + (u16)ZFCP_DBF_PAY_MAX_REC); + zfcp_dbf_pl_write(dbf, sc->sense_buffer, rec->pl_len, + "fcp_sns", fsf->req_id); + } + } -/** - * zfcp_scsi_dbf_event_result - trace event for SCSI command completion - * @tag: tag indicating success or failure of SCSI command - * @level: trace level applicable for this event - * @adapter: adapter that has been used to issue the SCSI command - * @scsi_cmnd: SCSI command pointer - * @fsf_req: request used to issue SCSI command (might be NULL) - */ -void zfcp_scsi_dbf_event_result(const char *tag, int level, - struct zfcp_adapter *adapter, - struct scsi_cmnd *scsi_cmnd, - struct zfcp_fsf_req *fsf_req) -{ - zfcp_scsi_dbf_event("rslt", tag, level, adapter, scsi_cmnd, fsf_req, 0); + debug_event(dbf->scsi, 1, rec, sizeof(*rec)); + spin_unlock_irqrestore(&dbf->scsi_lock, flags); } -/** - * zfcp_scsi_dbf_event_abort - trace event for SCSI command abort - * @tag: tag indicating success or failure of abort operation - * @adapter: adapter thas has been used to issue SCSI command to be aborted - * @scsi_cmnd: SCSI command to be aborted - * @new_fsf_req: request containing abort (might be NULL) - * @old_req_id: identifier of request containg SCSI command to be aborted - */ -void zfcp_scsi_dbf_event_abort(const char *tag, struct zfcp_adapter *adapter, - struct scsi_cmnd *scsi_cmnd, - struct zfcp_fsf_req *new_fsf_req, - unsigned long old_req_id) +static debug_info_t *zfcp_dbf_reg(const char *name, int size, int rec_size) { - zfcp_scsi_dbf_event("abrt", tag, 1, adapter, scsi_cmnd, new_fsf_req, - old_req_id); -} + struct debug_info *d; -/** - * zfcp_scsi_dbf_event_devreset - trace event for Logical Unit or Target Reset - * @tag: tag indicating success or failure of reset operation - * @flag: indicates type of reset (Target Reset, Logical Unit Reset) - * @unit: unit that needs reset - * @scsi_cmnd: SCSI command which caused this error recovery - */ -void zfcp_scsi_dbf_event_devreset(const char *tag, u8 flag, - struct zfcp_unit *unit, - struct scsi_cmnd *scsi_cmnd) -{ - zfcp_scsi_dbf_event(flag == FCP_TARGET_RESET ? "trst" : "lrst", tag, 1, - unit->port->adapter, scsi_cmnd, NULL, 0); + d = debug_register(name, size, 1, rec_size); + if (!d) + return NULL; + + debug_register_view(d, &debug_hex_ascii_view); + debug_set_level(d, dbflevel); + + return d; } -static int zfcp_scsi_dbf_view_format(debug_info_t *id, struct debug_view *view, - char *out_buf, const char *in_buf) +static void zfcp_dbf_unregister(struct zfcp_dbf *dbf) { - struct zfcp_scsi_dbf_record *r = (struct zfcp_scsi_dbf_record *)in_buf; - struct timespec t; - char *p = out_buf; - - if (strncmp(r->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0) - return 0; - - zfcp_dbf_tag(&p, "tag", r->tag); - zfcp_dbf_tag(&p, "tag2", r->tag2); - zfcp_dbf_out(&p, "scsi_id", "0x%08x", r->scsi_id); - zfcp_dbf_out(&p, "scsi_lun", "0x%08x", r->scsi_lun); - zfcp_dbf_out(&p, "scsi_result", "0x%08x", r->scsi_result); - zfcp_dbf_out(&p, "scsi_cmnd", "0x%0Lx", r->scsi_cmnd); - zfcp_dbf_out(&p, "scsi_serial", "0x%016Lx", r->scsi_serial); - zfcp_dbf_outd(&p, "scsi_opcode", r->scsi_opcode, ZFCP_DBF_SCSI_OPCODE, - 0, ZFCP_DBF_SCSI_OPCODE); - zfcp_dbf_out(&p, "scsi_retries", "0x%02x", r->scsi_retries); - zfcp_dbf_out(&p, "scsi_allowed", "0x%02x", r->scsi_allowed); - if (strncmp(r->tag, "abrt", ZFCP_DBF_TAG_SIZE) == 0) - zfcp_dbf_out(&p, "old_fsf_reqid", "0x%0Lx", r->old_fsf_reqid); - zfcp_dbf_out(&p, "fsf_reqid", "0x%0Lx", r->fsf_reqid); - zfcp_dbf_out(&p, "fsf_seqno", "0x%08x", r->fsf_seqno); - zfcp_dbf_timestamp(r->fsf_issued, &t); - zfcp_dbf_out(&p, "fsf_issued", "%011lu:%06lu", t.tv_sec, t.tv_nsec); - - if (strncmp(r->tag, "rslt", ZFCP_DBF_TAG_SIZE) == 0) { - zfcp_dbf_out(&p, "fcp_rsp_validity", "0x%02x", r->rsp_validity); - zfcp_dbf_out(&p, "fcp_rsp_scsi_status", "0x%02x", - r->rsp_scsi_status); - zfcp_dbf_out(&p, "fcp_rsp_resid", "0x%08x", r->rsp_resid); - zfcp_dbf_out(&p, "fcp_rsp_code", "0x%08x", r->rsp_code); - zfcp_dbf_out(&p, "fcp_sns_info_len", "0x%08x", r->sns_info_len); - zfcp_dbf_outd(&p, "fcp_sns_info", r->sns_info, - min((int)r->sns_info_len, - ZFCP_DBF_SCSI_FCP_SNS_INFO), 0, - r->sns_info_len); - } - p += sprintf(p, "\n"); - return p - out_buf; -} + if (!dbf) + return; -static struct debug_view zfcp_scsi_dbf_view = { - "structured", - NULL, - &zfcp_dbf_view_header, - &zfcp_scsi_dbf_view_format, - NULL, - NULL -}; + debug_unregister(dbf->scsi); + debug_unregister(dbf->san); + debug_unregister(dbf->hba); + debug_unregister(dbf->pay); + debug_unregister(dbf->rec); + kfree(dbf); +} /** * zfcp_adapter_debug_register - registers debug feature for an adapter * @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]; + char name[DEBUG_MAX_NAME_LEN]; + struct zfcp_dbf *dbf; + + dbf = kzalloc(sizeof(struct zfcp_dbf), GFP_KERNEL); + if (!dbf) + return -ENOMEM; + + spin_lock_init(&dbf->pay_lock); + 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", zfcp_get_busid_by_adapter(adapter)); - adapter->rec_dbf = debug_register(dbf_name, dbfsize, 1, - sizeof(struct zfcp_rec_dbf_record)); - if (!adapter->rec_dbf) - goto failed; - debug_register_view(adapter->rec_dbf, &debug_hex_ascii_view); - debug_register_view(adapter->rec_dbf, &zfcp_rec_dbf_view); - debug_set_level(adapter->rec_dbf, 3); + sprintf(name, "zfcp_%s_rec", dev_name(&adapter->ccw_device->dev)); + dbf->rec = zfcp_dbf_reg(name, dbfsize, sizeof(struct zfcp_dbf_rec)); + if (!dbf->rec) + goto err_out; /* debug feature area which records HBA (FSF and QDIO) conditions */ - sprintf(dbf_name, "zfcp_%s_hba", zfcp_get_busid_by_adapter(adapter)); - adapter->hba_dbf = debug_register(dbf_name, dbfsize, 1, - sizeof(struct zfcp_hba_dbf_record)); - if (!adapter->hba_dbf) - goto failed; - debug_register_view(adapter->hba_dbf, &debug_hex_ascii_view); - debug_register_view(adapter->hba_dbf, &zfcp_hba_dbf_view); - debug_set_level(adapter->hba_dbf, 3); + sprintf(name, "zfcp_%s_hba", dev_name(&adapter->ccw_device->dev)); + dbf->hba = zfcp_dbf_reg(name, dbfsize, sizeof(struct zfcp_dbf_hba)); + if (!dbf->hba) + goto err_out; + + /* debug feature area which records payload info */ + sprintf(name, "zfcp_%s_pay", dev_name(&adapter->ccw_device->dev)); + dbf->pay = zfcp_dbf_reg(name, dbfsize * 2, sizeof(struct zfcp_dbf_pay)); + if (!dbf->pay) + goto err_out; /* debug feature area which records SAN command failures and recovery */ - sprintf(dbf_name, "zfcp_%s_san", zfcp_get_busid_by_adapter(adapter)); - adapter->san_dbf = debug_register(dbf_name, dbfsize, 1, - sizeof(struct zfcp_san_dbf_record)); - if (!adapter->san_dbf) - goto failed; - debug_register_view(adapter->san_dbf, &debug_hex_ascii_view); - debug_register_view(adapter->san_dbf, &zfcp_san_dbf_view); - debug_set_level(adapter->san_dbf, 6); + sprintf(name, "zfcp_%s_san", dev_name(&adapter->ccw_device->dev)); + dbf->san = zfcp_dbf_reg(name, dbfsize, sizeof(struct zfcp_dbf_san)); + if (!dbf->san) + goto err_out; /* debug feature area which records SCSI command failures and recovery */ - sprintf(dbf_name, "zfcp_%s_scsi", zfcp_get_busid_by_adapter(adapter)); - adapter->scsi_dbf = debug_register(dbf_name, dbfsize, 1, - sizeof(struct zfcp_scsi_dbf_record)); - if (!adapter->scsi_dbf) - goto failed; - debug_register_view(adapter->scsi_dbf, &debug_hex_ascii_view); - debug_register_view(adapter->scsi_dbf, &zfcp_scsi_dbf_view); - debug_set_level(adapter->scsi_dbf, 3); - - return 0; + sprintf(name, "zfcp_%s_scsi", dev_name(&adapter->ccw_device->dev)); + dbf->scsi = zfcp_dbf_reg(name, dbfsize, sizeof(struct zfcp_dbf_scsi)); + if (!dbf->scsi) + goto err_out; - failed: - zfcp_adapter_debug_unregister(adapter); + adapter->dbf = dbf; + return 0; +err_out: + zfcp_dbf_unregister(dbf); return -ENOMEM; } @@ -1262,14 +534,11 @@ int zfcp_adapter_debug_register(struct zfcp_adapter *adapter) * zfcp_adapter_debug_unregister - unregisters debug feature for an adapter * @adapter: pointer to adapter for which debug features should be unregistered */ -void zfcp_adapter_debug_unregister(struct zfcp_adapter *adapter) +void zfcp_dbf_adapter_unregister(struct zfcp_adapter *adapter) { - debug_unregister(adapter->scsi_dbf); - debug_unregister(adapter->san_dbf); - debug_unregister(adapter->hba_dbf); - debug_unregister(adapter->rec_dbf); - adapter->scsi_dbf = NULL; - adapter->san_dbf = NULL; - adapter->hba_dbf = NULL; - adapter->rec_dbf = NULL; + struct zfcp_dbf *dbf = adapter->dbf; + + adapter->dbf = NULL; + zfcp_dbf_unregister(dbf); } + |