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path: root/drivers/scsi/bfa/bfa_core.c
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Diffstat (limited to 'drivers/scsi/bfa/bfa_core.c')
-rw-r--r--drivers/scsi/bfa/bfa_core.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/bfa_core.c b/drivers/scsi/bfa/bfa_core.c
index 2ea0db4b62a7..7209afad82f7 100644
--- a/drivers/scsi/bfa/bfa_core.c
+++ b/drivers/scsi/bfa/bfa_core.c
@@ -91,6 +91,25 @@ static bfa_ioc_mbox_mcfunc_t bfa_mbox_isrs[BFI_MC_MAX] = {
+void
+__bfa_trc(struct bfa_trc_mod_s *trcm, int fileno, int line, u64 data)
+{
+ int tail = trcm->tail;
+ struct bfa_trc_s *trc = &trcm->trc[tail];
+
+ if (trcm->stopped)
+ return;
+
+ trc->fileno = (u16) fileno;
+ trc->line = (u16) line;
+ trc->data.u64 = data;
+ trc->timestamp = BFA_TRC_TS(trcm);
+
+ trcm->tail = (trcm->tail + 1) & (BFA_TRC_MAX - 1);
+ if (trcm->tail == trcm->head)
+ trcm->head = (trcm->head + 1) & (BFA_TRC_MAX - 1);
+}
+
static void
bfa_com_port_attach(struct bfa_s *bfa)
{