From: Subbaraya Sundeep Date: Tue, 13 May 2025 11:40:07 +0000 (+0530) Subject: octeontx2: Add pcifunc also to mailbox tracepoints X-Git-Tag: v6.16-rc1~132^2~102^2~1 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=27d27a06b48e0781fd9e207646eba0e14ee0e439;p=linux-block.git octeontx2: Add pcifunc also to mailbox tracepoints This patch adds pcifunc which represents PF and VF device to the tracepoints otx2_msg_alloc, otx2_msg_send, otx2_msg_process so that it is easier to correlate which device allocated the message, which device forwarded it and which device processed that message. Also add message id in otx2_msg_send tracepoint to check which message is sent at any point of time from a device. Signed-off-by: Subbaraya Sundeep Link: https://patch.msgid.link/1747136408-30685-4-git-send-email-sbhatta@marvell.com Signed-off-by: Paolo Abeni --- diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.c b/drivers/net/ethernet/marvell/octeontx2/af/mbox.c index 5c457e46977e..7d21905deed8 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.c @@ -218,6 +218,7 @@ static void otx2_mbox_msg_send_data(struct otx2_mbox *mbox, int devid, u64 data) struct otx2_mbox_dev *mdev = &mbox->dev[devid]; struct mbox_hdr *tx_hdr, *rx_hdr; void *hw_mbase = mdev->hwbase; + struct mbox_msghdr *msg; u64 intr_val; tx_hdr = hw_mbase + mbox->tx_start; @@ -250,7 +251,10 @@ static void otx2_mbox_msg_send_data(struct otx2_mbox *mbox, int devid, u64 data) 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); + msg = (struct mbox_msghdr *)(hw_mbase + mbox->tx_start + msgs_offset); + + trace_otx2_msg_send(mbox->pdev, tx_hdr->num_msgs, tx_hdr->msg_size, + msg->id, msg->pcifunc); spin_unlock(&mdev->mbox_lock); diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c index 6575c422635b..511eb5b2a2d4 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c @@ -2173,7 +2173,7 @@ 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); \ + trace_otx2_msg_process(mbox->pdev, _id, err, req->pcifunc); \ return rsp ? err : -ENOMEM; \ } MBOX_MESSAGES diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c index 992fa0b82e8d..38db06b1784c 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c @@ -34,7 +34,7 @@ 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)); \ + trace_otx2_msg_alloc(rvu->pdev, _id, sizeof(*req), 0); \ return req; \ } diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_trace.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu_trace.h index 6b5a14dcb643..abbdb0361fb8 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_trace.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_trace.h @@ -18,33 +18,42 @@ #include "mbox.h" TRACE_EVENT(otx2_msg_alloc, - TP_PROTO(const struct pci_dev *pdev, u16 id, u64 size), - TP_ARGS(pdev, id, size), + TP_PROTO(const struct pci_dev *pdev, u16 id, u64 size, u16 pcifunc), + TP_ARGS(pdev, id, size, pcifunc), TP_STRUCT__entry(__string(dev, pci_name(pdev)) __field(u16, id) __field(u64, size) + __field(u16, pcifunc) ), TP_fast_assign(__assign_str(dev); __entry->id = id; __entry->size = size; + __entry->pcifunc = pcifunc; ), - TP_printk("[%s] msg:(%s) size:%lld\n", __get_str(dev), - otx2_mbox_id2name(__entry->id), __entry->size) + TP_printk("[%s] msg:(%s) size:%lld pcifunc:0x%x\n", __get_str(dev), + otx2_mbox_id2name(__entry->id), __entry->size, + __entry->pcifunc) ); 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_PROTO(const struct pci_dev *pdev, u16 num_msgs, u64 msg_size, + u16 id, u16 pcifunc), + TP_ARGS(pdev, num_msgs, msg_size, id, pcifunc), TP_STRUCT__entry(__string(dev, pci_name(pdev)) __field(u16, num_msgs) __field(u64, msg_size) + __field(u16, id) + __field(u16, pcifunc) ), TP_fast_assign(__assign_str(dev); __entry->num_msgs = num_msgs; __entry->msg_size = msg_size; + __entry->id = id; + __entry->pcifunc = pcifunc; ), - TP_printk("[%s] sent %d msg(s) of size:%lld\n", __get_str(dev), - __entry->num_msgs, __entry->msg_size) + TP_printk("[%s] sent %d msg(s) of size:%lld msg:(%s) pcifunc:0x%x\n", + __get_str(dev), __entry->num_msgs, __entry->msg_size, + otx2_mbox_id2name(__entry->id), __entry->pcifunc) ); TRACE_EVENT(otx2_msg_check, @@ -81,18 +90,21 @@ TRACE_EVENT(otx2_msg_interrupt, ); TRACE_EVENT(otx2_msg_process, - TP_PROTO(const struct pci_dev *pdev, u16 id, int err), - TP_ARGS(pdev, id, err), + TP_PROTO(const struct pci_dev *pdev, u16 id, int err, u16 pcifunc), + TP_ARGS(pdev, id, err, pcifunc), TP_STRUCT__entry(__string(dev, pci_name(pdev)) __field(u16, id) __field(int, err) + __field(u16, pcifunc) ), TP_fast_assign(__assign_str(dev); __entry->id = id; __entry->err = err; + __entry->pcifunc = pcifunc; ), - TP_printk("[%s] msg:(%s) error:%d\n", __get_str(dev), - otx2_mbox_id2name(__entry->id), __entry->err) + TP_printk("[%s] msg:(%s) error:%d pcifunc:0x%x\n", __get_str(dev), + otx2_mbox_id2name(__entry->id), + __entry->err, __entry->pcifunc) ); TRACE_EVENT(otx2_msg_wait_rsp, diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h index 7e3ddb0bee12..d188936f89bb 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h @@ -871,6 +871,7 @@ static struct _req_type __maybe_unused \ *otx2_mbox_alloc_msg_ ## _fn_name(struct mbox *mbox) \ { \ struct _req_type *req; \ + u16 pcifunc = mbox->pfvf->pcifunc; \ \ req = (struct _req_type *)otx2_mbox_alloc_msg_rsp( \ &mbox->mbox, 0, sizeof(struct _req_type), \ @@ -879,7 +880,8 @@ 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)); \ + req->hdr.pcifunc = pcifunc; \ + trace_otx2_msg_alloc(mbox->mbox.pdev, _id, sizeof(*req), pcifunc); \ 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 0aee8e3861f3..1bbc17b34d7c 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c @@ -473,7 +473,7 @@ static void otx2_pfvf_mbox_handler(struct work_struct *work) goto inval_msg; /* Set VF's number in each of the msg */ - msg->pcifunc &= RVU_PFVF_FUNC_MASK; + msg->pcifunc &= ~RVU_PFVF_FUNC_MASK; msg->pcifunc |= (vf_idx + 1) & RVU_PFVF_FUNC_MASK; offset = msg->next_msgoff; } @@ -3285,6 +3285,7 @@ static void otx2_vf_link_event_task(struct work_struct *work) req = (struct cgx_link_info_msg *)msghdr; req->hdr.id = MBOX_MSG_CGX_LINK_EVENT; req->hdr.sig = OTX2_MBOX_REQ_SIG; + req->hdr.pcifunc = pf->pcifunc; memcpy(&req->link_info, &pf->linfo, sizeof(req->link_info)); otx2_mbox_wait_for_zero(&pf->mbox_pfvf[0].mbox_up, vf_idx); diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c index fb4da816d218..ba4ae6d9c569 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c @@ -136,7 +136,7 @@ static int otx2vf_process_mbox_msg_up(struct otx2_nic *vf, rsp->hdr.id = MBOX_MSG_CGX_LINK_EVENT; rsp->hdr.sig = OTX2_MBOX_RSP_SIG; - rsp->hdr.pcifunc = 0; + rsp->hdr.pcifunc = req->pcifunc; rsp->hdr.rc = 0; err = otx2_mbox_up_handler_cgx_link_event( vf, (struct cgx_link_info_msg *)req, rsp);