From: sundeep.lkml@gmail.com
To: davem@davemloft.net, kuba@kernel.org, netdev@vger.kernel.org,
sgoutham@marvell.com
Cc: jiri@resnulli.us, Subbaraya Sundeep <sbhatta@marvell.com>
Subject: [net-next v3 PATCH 2/2] octeontx2-pf: Add tracepoints for PF/VF mailbox
Date: Tue, 22 Sep 2020 08:27:05 +0530 [thread overview]
Message-ID: <1600743425-7851-3-git-send-email-sundeep.lkml@gmail.com> (raw)
In-Reply-To: <1600743425-7851-1-git-send-email-sundeep.lkml@gmail.com>
From: Subbaraya Sundeep <sbhatta@marvell.com>
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>
---
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 ac47762..d6253f2 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 aac2845..265e4d1 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 70e0d4c..32daa3e 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;
--
2.7.4
next prev parent reply other threads:[~2020-09-22 2:57 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-22 2:57 [net-next v3 PATCH 0/2] Introduce mbox tracepoints for Octeontx2 sundeep.lkml
2020-09-22 2:57 ` [net-next v3 PATCH 1/2] octeontx2-af: Introduce tracepoints for mailbox sundeep.lkml
2020-09-22 2:57 ` sundeep.lkml [this message]
2020-09-24 0:35 ` [net-next v3 PATCH 0/2] Introduce mbox tracepoints for Octeontx2 David Miller
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