From 31a9746062b84f7a061c82339825391073cd0960 Mon Sep 17 00:00:00 2001
From: Subbaraya Sundeep <sbhatta@marvell.com>
Date: Tue, 22 Sep 2020 08:27:05 +0530
Subject: [PATCH] octeontx2-pf: Add tracepoints for PF/VF mailbox
With tracepoints support present in the mailbox
code this patch adds tracepoints in PF and VF drivers
at places where mailbox messages are allocated,
sent and at message interrupts.
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h | 2 ++
drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c | 6 ++++++
drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c | 2 ++
3 files changed, 10 insertions(+)
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
index ac47762cce9b8e..d6253f2a414d39 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
@@ -20,6 +20,7 @@
#include <mbox.h>
#include "otx2_reg.h"
#include "otx2_txrx.h"
+#include <rvu_trace.h>
/* PCI device IDs */
#define PCI_DEVID_OCTEONTX2_RVU_PF 0xA063
@@ -523,6 +524,7 @@ static struct _req_type __maybe_unused \
return NULL; \
req->hdr.sig = OTX2_MBOX_REQ_SIG; \
req->hdr.id = _id; \
+ trace_otx2_msg_alloc(mbox->mbox.pdev, _id, sizeof(*req)); \
return req; \
}
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
index aac2845c1fb1e4..265e4d1b4e6456 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
@@ -22,6 +22,7 @@
#include "otx2_txrx.h"
#include "otx2_struct.h"
#include "otx2_ptp.h"
+#include <rvu_trace.h>
#define DRV_NAME "octeontx2-nicpf"
#define DRV_STRING "Marvell OcteonTX2 NIC Physical Function Driver"
@@ -558,6 +559,8 @@ static irqreturn_t otx2_pfvf_mbox_intr_handler(int irq, void *pf_irq)
otx2_queue_work(mbox, pf->mbox_pfvf_wq, 0, vfs, intr, TYPE_PFVF);
+ trace_otx2_msg_interrupt(mbox->mbox.pdev, "VF(s) to PF", intr);
+
return IRQ_HANDLED;
}
@@ -940,6 +943,9 @@ static irqreturn_t otx2_pfaf_mbox_intr_handler(int irq, void *pf_irq)
otx2_write64(pf, RVU_PF_INT, BIT_ULL(0));
mbox = &pf->mbox;
+
+ trace_otx2_msg_interrupt(mbox->mbox.pdev, "AF to PF", BIT_ULL(0));
+
otx2_queue_work(mbox, pf->mbox_wq, 0, 1, 1, TYPE_PFAF);
return IRQ_HANDLED;
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
index 70e0d4ca6688a0..32daa3e0f29644 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
@@ -187,6 +187,8 @@ static irqreturn_t otx2vf_vfaf_mbox_intr_handler(int irq, void *vf_irq)
mdev = &mbox->dev[0];
otx2_sync_mbox_bbuf(mbox, 0);
+ trace_otx2_msg_interrupt(mbox->pdev, "PF to VF", BIT_ULL(0));
+
hdr = (struct mbox_hdr *)(mdev->mbase + mbox->rx_start);
if (hdr->num_msgs) {
vf->mbox.num_msgs = hdr->num_msgs;
--
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