From: Martin Peschke <mp3@xxxxxxxxxx>
This patch registers the new recovery trace with the s390 debug
feature.
Signed-off-by: Martin Peschke <mp3@xxxxxxxxxx>
Signed-off-by: Christof Schmitt <christof.schmitt@xxxxxxxxxx>
---
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(+)
--- 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;
--- 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_vi
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 z
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(struc
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;
}
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -1034,6 +1034,7 @@ zfcp_adapter_enqueue(struct 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)
--
--
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