From d79a83dbffe2e49e73f2903c350937faf2e0c2f1 Mon Sep 17 00:00:00 2001 From: Martin Peschke Date: Thu, 27 Mar 2008 14:22:00 +0100 Subject: [SCSI] zfcp: Register new recovery trace. This patch registers the new recovery trace with the s390 debug feature. Signed-off-by: Martin Peschke Signed-off-by: Christof Schmitt Signed-off-by: James Bottomley --- drivers/s390/scsi/zfcp_aux.c | 1 + drivers/s390/scsi/zfcp_dbf.c | 42 ++++++++++++++++++++++++++++++++++++++++++ drivers/s390/scsi/zfcp_def.h | 10 ++++++++++ 3 files changed, 53 insertions(+) (limited to 'drivers') diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index 874b55ed00a..f3eff7ebcb6 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -1034,6 +1034,7 @@ zfcp_adapter_enqueue(struct ccw_device *ccw_device) spin_lock_init(&adapter->hba_dbf_lock); spin_lock_init(&adapter->san_dbf_lock); spin_lock_init(&adapter->scsi_dbf_lock); + spin_lock_init(&adapter->rec_dbf_lock); retval = zfcp_adapter_debug_register(adapter); if (retval) diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c index 45334378399..e7712eb13ee 100644 --- a/drivers/s390/scsi/zfcp_dbf.c +++ b/drivers/s390/scsi/zfcp_dbf.c @@ -520,6 +520,36 @@ static struct debug_view zfcp_hba_dbf_view = { NULL }; +static const char *zfcp_rec_dbf_tags[] = { +}; + +static const char *zfcp_rec_dbf_ids[] = { +}; + +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) { + } + sprintf(p, "\n"); + return (p - buf) + 1; +} + +static struct debug_view zfcp_rec_dbf_view = { + "structured", + NULL, + &zfcp_dbf_view_header, + &zfcp_rec_dbf_view_format, + NULL, + NULL +}; + static void _zfcp_san_dbf_event_common_ct(const char *tag, struct zfcp_fsf_req *fsf_req, u32 s_id, u32 d_id, void *buffer, int buflen) @@ -934,6 +964,16 @@ int zfcp_adapter_debug_register(struct zfcp_adapter *adapter) debug_register_view(adapter->erp_dbf, &debug_hex_ascii_view); debug_set_level(adapter->erp_dbf, 3); + /* 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); + /* 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, @@ -981,10 +1021,12 @@ void zfcp_adapter_debug_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); debug_unregister(adapter->erp_dbf); adapter->scsi_dbf = NULL; adapter->san_dbf = NULL; adapter->hba_dbf = NULL; + adapter->rec_dbf = NULL; adapter->erp_dbf = NULL; } diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h index 662c70f537e..f29bee52848 100644 --- a/drivers/s390/scsi/zfcp_def.h +++ b/drivers/s390/scsi/zfcp_def.h @@ -279,6 +279,13 @@ struct zfcp_erp_dbf_record { u8 dummy[16]; } __attribute__ ((packed)); +struct zfcp_rec_dbf_record { + u8 id; + u8 id2; + union { + } u; +} __attribute__ ((packed)); + struct zfcp_hba_dbf_record_response { u32 fsf_command; u64 fsf_reqid; @@ -917,14 +924,17 @@ struct zfcp_adapter { for memory */ struct zfcp_port *nameserver_port; /* adapter's nameserver */ debug_info_t *erp_dbf; + debug_info_t *rec_dbf; debug_info_t *hba_dbf; debug_info_t *san_dbf; /* debug feature areas */ debug_info_t *scsi_dbf; spinlock_t erp_dbf_lock; + spinlock_t rec_dbf_lock; spinlock_t hba_dbf_lock; spinlock_t san_dbf_lock; spinlock_t scsi_dbf_lock; struct zfcp_erp_dbf_record erp_dbf_buf; + struct zfcp_rec_dbf_record rec_dbf_buf; struct zfcp_hba_dbf_record hba_dbf_buf; struct zfcp_san_dbf_record san_dbf_buf; struct zfcp_scsi_dbf_record scsi_dbf_buf; -- cgit v1.2.3