diff options
9 files changed, 146 insertions, 2 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/Makefile b/drivers/net/ethernet/marvell/octeontx2/af/Makefile index 0bc2410c8949..2f7a861d0c7b 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/Makefile +++ b/drivers/net/ethernet/marvell/octeontx2/af/Makefile @@ -3,9 +3,10 @@ # Makefile for Marvell's OcteonTX2 RVU Admin Function driver # +ccflags-y += -I$(src) obj-$(CONFIG_OCTEONTX2_MBOX) += octeontx2_mbox.o obj-$(CONFIG_OCTEONTX2_AF) += octeontx2_af.o -octeontx2_mbox-y := mbox.o +octeontx2_mbox-y := mbox.o rvu_trace.o octeontx2_af-y := cgx.o rvu.o rvu_cgx.o rvu_npa.o rvu_nix.o \ rvu_reg.o rvu_npc.o rvu_debugfs.o ptp.o diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.c b/drivers/net/ethernet/marvell/octeontx2/af/mbox.c index 387e33fa417a..4b4cf7dac77f 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.c @@ -14,6 +14,7 @@ #include "rvu_reg.h" #include "mbox.h" +#include "rvu_trace.h" static const u16 msgs_offset = ALIGN(sizeof(struct mbox_hdr), MBOX_MSG_ALIGN); @@ -199,6 +200,9 @@ void otx2_mbox_msg_send(struct otx2_mbox *mbox, int devid) */ tx_hdr->num_msgs = mdev->num_msgs; rx_hdr->num_msgs = 0; + + trace_otx2_msg_send(mbox->pdev, tx_hdr->num_msgs, tx_hdr->msg_size); + spin_unlock(&mdev->mbox_lock); /* The interrupt should be fired after num_msgs is written @@ -295,10 +299,15 @@ int otx2_mbox_check_rsp_msgs(struct otx2_mbox *mbox, int devid) struct mbox_msghdr *preq = mdev->mbase + ireq; struct mbox_msghdr *prsp = mdev->mbase + irsp; - if (preq->id != prsp->id) + if (preq->id != prsp->id) { + trace_otx2_msg_check(mbox->pdev, preq->id, + prsp->id, prsp->rc); goto exit; + } if (prsp->rc) { rc = prsp->rc; + trace_otx2_msg_check(mbox->pdev, preq->id, + prsp->id, prsp->rc); goto exit; } diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c index c3ef73ae782c..e1f918960730 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c @@ -20,6 +20,8 @@ #include "rvu_reg.h" #include "ptp.h" +#include "rvu_trace.h" + #define DRV_NAME "octeontx2-af" #define DRV_STRING "Marvell OcteonTX2 RVU Admin Function Driver" @@ -1549,6 +1551,7 @@ static int rvu_process_mbox_msg(struct otx2_mbox *mbox, int devid, if (rsp && err) \ rsp->hdr.rc = err; \ \ + trace_otx2_msg_process(mbox->pdev, _id, err); \ return rsp ? err : -ENOMEM; \ } MBOX_MESSAGES @@ -1881,6 +1884,8 @@ static irqreturn_t rvu_mbox_intr_handler(int irq, void *rvu_irq) intr = rvu_read64(rvu, BLKADDR_RVUM, RVU_AF_PFAF_MBOX_INT); /* Clear interrupts */ rvu_write64(rvu, BLKADDR_RVUM, RVU_AF_PFAF_MBOX_INT, intr); + if (intr) + trace_otx2_msg_interrupt(rvu->pdev, "PF(s) to AF", intr); /* Sync with mbox memory region */ rmb(); @@ -1898,6 +1903,8 @@ static irqreturn_t rvu_mbox_intr_handler(int irq, void *rvu_irq) intr = rvupf_read64(rvu, RVU_PF_VFPF_MBOX_INTX(0)); rvupf_write64(rvu, RVU_PF_VFPF_MBOX_INTX(0), intr); + if (intr) + trace_otx2_msg_interrupt(rvu->pdev, "VF(s) to AF", intr); rvu_queue_work(&rvu->afvf_wq_info, 0, vfs, intr); diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c index fe3389c144b5..fa9152ff5e2a 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c @@ -15,6 +15,7 @@ #include "rvu.h" #include "cgx.h" #include "rvu_reg.h" +#include "rvu_trace.h" struct cgx_evq_entry { struct list_head evq_node; @@ -34,6 +35,7 @@ static struct _req_type __maybe_unused \ return NULL; \ req->hdr.sig = OTX2_MBOX_REQ_SIG; \ req->hdr.id = _id; \ + trace_otx2_msg_alloc(rvu->pdev, _id, sizeof(*req)); \ return req; \ } diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_trace.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_trace.c new file mode 100644 index 000000000000..56f90cf9c4c0 --- /dev/null +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_trace.c @@ -0,0 +1,12 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Marvell OcteonTx2 RVU Admin Function driver tracepoints + * + * Copyright (C) 2020 Marvell International Ltd. + */ + +#define CREATE_TRACE_POINTS +#include "rvu_trace.h" + +EXPORT_TRACEPOINT_SYMBOL(otx2_msg_alloc); +EXPORT_TRACEPOINT_SYMBOL(otx2_msg_interrupt); +EXPORT_TRACEPOINT_SYMBOL(otx2_msg_process); diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_trace.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu_trace.h new file mode 100644 index 000000000000..e6609068e81b --- /dev/null +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_trace.h @@ -0,0 +1,103 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Marvell OcteonTx2 RVU Admin Function driver tracepoints + * + * Copyright (C) 2020 Marvell International Ltd. + */ + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM rvu + +#if !defined(__RVU_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) +#define __RVU_TRACE_H + +#include <linux/types.h> +#include <linux/tracepoint.h> +#include <linux/pci.h> + +TRACE_EVENT(otx2_msg_alloc, + TP_PROTO(const struct pci_dev *pdev, u16 id, u64 size), + TP_ARGS(pdev, id, size), + TP_STRUCT__entry(__string(dev, pci_name(pdev)) + __field(u16, id) + __field(u64, size) + ), + TP_fast_assign(__assign_str(dev, pci_name(pdev)) + __entry->id = id; + __entry->size = size; + ), + TP_printk("[%s] msg:(0x%x) size:%lld\n", __get_str(dev), + __entry->id, __entry->size) +); + +TRACE_EVENT(otx2_msg_send, + TP_PROTO(const struct pci_dev *pdev, u16 num_msgs, u64 msg_size), + TP_ARGS(pdev, num_msgs, msg_size), + TP_STRUCT__entry(__string(dev, pci_name(pdev)) + __field(u16, num_msgs) + __field(u64, msg_size) + ), + TP_fast_assign(__assign_str(dev, pci_name(pdev)) + __entry->num_msgs = num_msgs; + __entry->msg_size = msg_size; + ), + TP_printk("[%s] sent %d msg(s) of size:%lld\n", __get_str(dev), + __entry->num_msgs, __entry->msg_size) +); + +TRACE_EVENT(otx2_msg_check, + TP_PROTO(const struct pci_dev *pdev, u16 reqid, u16 rspid, int rc), + TP_ARGS(pdev, reqid, rspid, rc), + TP_STRUCT__entry(__string(dev, pci_name(pdev)) + __field(u16, reqid) + __field(u16, rspid) + __field(int, rc) + ), + TP_fast_assign(__assign_str(dev, pci_name(pdev)) + __entry->reqid = reqid; + __entry->rspid = rspid; + __entry->rc = rc; + ), + TP_printk("[%s] req->id:0x%x rsp->id:0x%x resp_code:%d\n", + __get_str(dev), __entry->reqid, + __entry->rspid, __entry->rc) +); + +TRACE_EVENT(otx2_msg_interrupt, + TP_PROTO(const struct pci_dev *pdev, const char *msg, u64 intr), + TP_ARGS(pdev, msg, intr), + TP_STRUCT__entry(__string(dev, pci_name(pdev)) + __string(str, msg) + __field(u64, intr) + ), + TP_fast_assign(__assign_str(dev, pci_name(pdev)) + __assign_str(str, msg) + __entry->intr = intr; + ), + TP_printk("[%s] mbox interrupt %s (0x%llx)\n", __get_str(dev), + __get_str(str), __entry->intr) +); + +TRACE_EVENT(otx2_msg_process, + TP_PROTO(const struct pci_dev *pdev, u16 id, int err), + TP_ARGS(pdev, id, err), + TP_STRUCT__entry(__string(dev, pci_name(pdev)) + __field(u16, id) + __field(int, err) + ), + TP_fast_assign(__assign_str(dev, pci_name(pdev)) + __entry->id = id; + __entry->err = err; + ), + TP_printk("[%s] msg:(0x%x) error:%d\n", __get_str(dev), + __entry->id, __entry->err) +); + +#endif /* __RVU_TRACE_H */ + +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . + +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE rvu_trace + +#include <trace/define_trace.h> diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h index ac47762cce9b..d6253f2a414d 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 aac2845c1fb1..265e4d1b4e64 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 70e0d4ca6688..32daa3e0f296 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; |