From 82f6aea801e3732fe4bf41af46ebe352bf24fde8 Mon Sep 17 00:00:00 2001 From: Taku Izumi Date: Fri, 14 Oct 2016 20:27:38 +0900 Subject: [PATCH] fjes: Add tracepoints in fjes driver This patch adds tracepoints in fjes driver. This is useful for debugging purpose. Signed-off-by: Taku Izumi Signed-off-by: David S. Miller --- drivers/net/fjes/Makefile | 2 +- drivers/net/fjes/fjes_hw.c | 25 ++- drivers/net/fjes/fjes_main.c | 5 + drivers/net/fjes/fjes_trace.c | 30 ++++ drivers/net/fjes/fjes_trace.h | 311 ++++++++++++++++++++++++++++++++++ 5 files changed, 369 insertions(+), 4 deletions(-) create mode 100644 drivers/net/fjes/fjes_trace.c create mode 100644 drivers/net/fjes/fjes_trace.h diff --git a/drivers/net/fjes/Makefile b/drivers/net/fjes/Makefile index 523e3d7cf7aa..6705d1b523d5 100644 --- a/drivers/net/fjes/Makefile +++ b/drivers/net/fjes/Makefile @@ -27,4 +27,4 @@ obj-$(CONFIG_FUJITSU_ES) += fjes.o -fjes-objs := fjes_main.o fjes_hw.o fjes_ethtool.o +fjes-objs := fjes_main.o fjes_hw.o fjes_ethtool.o fjes_trace.o diff --git a/drivers/net/fjes/fjes_hw.c b/drivers/net/fjes/fjes_hw.c index 82b56e8170bc..dba59dcc410f 100644 --- a/drivers/net/fjes/fjes_hw.c +++ b/drivers/net/fjes/fjes_hw.c @@ -21,6 +21,7 @@ #include "fjes_hw.h" #include "fjes.h" +#include "fjes_trace.h" static void fjes_hw_update_zone_task(struct work_struct *); static void fjes_hw_epstop_task(struct work_struct *); @@ -371,7 +372,7 @@ fjes_hw_issue_request_command(struct fjes_hw *hw, enum fjes_dev_command_response_e ret = FJES_CMD_STATUS_UNKNOWN; union REG_CR cr; union REG_CS cs; - int timeout; + int timeout = FJES_COMMAND_REQ_TIMEOUT * 1000; cr.reg = 0; cr.bits.req_start = 1; @@ -408,6 +409,8 @@ fjes_hw_issue_request_command(struct fjes_hw *hw, } } + trace_fjes_hw_issue_request_command(&cr, &cs, timeout, ret); + return ret; } @@ -427,11 +430,13 @@ int fjes_hw_request_info(struct fjes_hw *hw) res_buf->info.code = 0; ret = fjes_hw_issue_request_command(hw, FJES_CMD_REQ_INFO); + trace_fjes_hw_request_info(hw, res_buf); result = 0; if (FJES_DEV_COMMAND_INFO_RES_LEN((*hw->hw_info.max_epid)) != res_buf->info.length) { + trace_fjes_hw_request_info_err("Invalid res_buf"); result = -ENOMSG; } else if (ret == FJES_CMD_STATUS_NORMAL) { switch (res_buf->info.code) { @@ -448,6 +453,7 @@ int fjes_hw_request_info(struct fjes_hw *hw) result = -EPERM; break; case FJES_CMD_STATUS_TIMEOUT: + trace_fjes_hw_request_info_err("Timeout"); result = -EBUSY; break; case FJES_CMD_STATUS_ERROR_PARAM: @@ -512,6 +518,8 @@ int fjes_hw_register_buff_addr(struct fjes_hw *hw, int dest_epid, res_buf->share_buffer.length = 0; res_buf->share_buffer.code = 0; + trace_fjes_hw_register_buff_addr_req(req_buf, buf_pair); + ret = fjes_hw_issue_request_command(hw, FJES_CMD_REQ_SHARE_BUFFER); timeout = FJES_COMMAND_REQ_BUFF_TIMEOUT * 1000; @@ -532,16 +540,20 @@ int fjes_hw_register_buff_addr(struct fjes_hw *hw, int dest_epid, result = 0; + trace_fjes_hw_register_buff_addr(res_buf, timeout); + if (res_buf->share_buffer.length != - FJES_DEV_COMMAND_SHARE_BUFFER_RES_LEN) + FJES_DEV_COMMAND_SHARE_BUFFER_RES_LEN) { + trace_fjes_hw_register_buff_addr_err("Invalid res_buf"); result = -ENOMSG; - else if (ret == FJES_CMD_STATUS_NORMAL) { + } else if (ret == FJES_CMD_STATUS_NORMAL) { switch (res_buf->share_buffer.code) { case FJES_CMD_REQ_RES_CODE_NORMAL: result = 0; set_bit(dest_epid, &hw->hw_info.buffer_share_bit); break; case FJES_CMD_REQ_RES_CODE_BUSY: + trace_fjes_hw_register_buff_addr_err("Busy Timeout"); result = -EBUSY; break; default: @@ -554,6 +566,7 @@ int fjes_hw_register_buff_addr(struct fjes_hw *hw, int dest_epid, result = -EPERM; break; case FJES_CMD_STATUS_TIMEOUT: + trace_fjes_hw_register_buff_addr_err("Timeout"); result = -EBUSY; break; case FJES_CMD_STATUS_ERROR_PARAM: @@ -595,6 +608,7 @@ int fjes_hw_unregister_buff_addr(struct fjes_hw *hw, int dest_epid) res_buf->unshare_buffer.length = 0; res_buf->unshare_buffer.code = 0; + trace_fjes_hw_unregister_buff_addr_req(req_buf); ret = fjes_hw_issue_request_command(hw, FJES_CMD_REQ_UNSHARE_BUFFER); timeout = FJES_COMMAND_REQ_BUFF_TIMEOUT * 1000; @@ -616,8 +630,11 @@ int fjes_hw_unregister_buff_addr(struct fjes_hw *hw, int dest_epid) result = 0; + trace_fjes_hw_unregister_buff_addr(res_buf, timeout); + if (res_buf->unshare_buffer.length != FJES_DEV_COMMAND_UNSHARE_BUFFER_RES_LEN) { + trace_fjes_hw_unregister_buff_addr_err("Invalid res_buf"); result = -ENOMSG; } else if (ret == FJES_CMD_STATUS_NORMAL) { switch (res_buf->unshare_buffer.code) { @@ -626,6 +643,7 @@ int fjes_hw_unregister_buff_addr(struct fjes_hw *hw, int dest_epid) clear_bit(dest_epid, &hw->hw_info.buffer_share_bit); break; case FJES_CMD_REQ_RES_CODE_BUSY: + trace_fjes_hw_unregister_buff_addr_err("Busy Timeout"); result = -EBUSY; break; default: @@ -638,6 +656,7 @@ int fjes_hw_unregister_buff_addr(struct fjes_hw *hw, int dest_epid) result = -EPERM; break; case FJES_CMD_STATUS_TIMEOUT: + trace_fjes_hw_unregister_buff_addr_err("Timeout"); result = -EBUSY; break; case FJES_CMD_STATUS_ERROR_PARAM: diff --git a/drivers/net/fjes/fjes_main.c b/drivers/net/fjes/fjes_main.c index 03e238327dd5..4c135ae11978 100644 --- a/drivers/net/fjes/fjes_main.c +++ b/drivers/net/fjes/fjes_main.c @@ -27,6 +27,7 @@ #include #include "fjes.h" +#include "fjes_trace.h" #define MAJ 1 #define MIN 1 @@ -904,6 +905,7 @@ static void fjes_txrx_stop_req_irq(struct fjes_adapter *adapter, unsigned long flags; status = fjes_hw_get_partner_ep_status(hw, src_epid); + trace_fjes_txrx_stop_req_irq_pre(hw, src_epid, status); switch (status) { case EP_PARTNER_UNSHARE: case EP_PARTNER_COMPLETE: @@ -934,6 +936,7 @@ static void fjes_txrx_stop_req_irq(struct fjes_adapter *adapter, } break; } + trace_fjes_txrx_stop_req_irq_post(hw, src_epid); } static void fjes_stop_req_irq(struct fjes_adapter *adapter, int src_epid) @@ -945,6 +948,7 @@ static void fjes_stop_req_irq(struct fjes_adapter *adapter, int src_epid) set_bit(src_epid, &hw->hw_info.buffer_unshare_reserve_bit); status = fjes_hw_get_partner_ep_status(hw, src_epid); + trace_fjes_stop_req_irq_pre(hw, src_epid, status); switch (status) { case EP_PARTNER_WAITING: spin_lock_irqsave(&hw->rx_status_lock, flags); @@ -968,6 +972,7 @@ static void fjes_stop_req_irq(struct fjes_adapter *adapter, int src_epid) queue_work(adapter->control_wq, &hw->epstop_task); break; } + trace_fjes_stop_req_irq_post(hw, src_epid); } static void fjes_update_zone_irq(struct fjes_adapter *adapter, diff --git a/drivers/net/fjes/fjes_trace.c b/drivers/net/fjes/fjes_trace.c new file mode 100644 index 000000000000..066fa765d5bb --- /dev/null +++ b/drivers/net/fjes/fjes_trace.c @@ -0,0 +1,30 @@ +/* + * FUJITSU Extended Socket Network Device driver + * Copyright (c) 2015-2016 FUJITSU LIMITED + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, see . + * + * The full GNU General Public License is included in this distribution in + * the file called "COPYING". + * + */ + +#include + +#ifndef __CHECKER__ +#include "fjes_hw.h" + +#define CREATE_TRACE_POINTS +#include "fjes_trace.h" + +#endif /* __CHECKER__ */ diff --git a/drivers/net/fjes/fjes_trace.h b/drivers/net/fjes/fjes_trace.h new file mode 100644 index 000000000000..1f0a48933f46 --- /dev/null +++ b/drivers/net/fjes/fjes_trace.h @@ -0,0 +1,311 @@ +/* + * FUJITSU Extended Socket Network Device driver + * Copyright (c) 2015-2016 FUJITSU LIMITED + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, see . + * + * The full GNU General Public License is included in this distribution in + * the file called "COPYING". + * + */ + +#if !defined(FJES_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ) +#define FJES_TRACE_H_ + +#include +#include + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM fjes + +/* tracepoints for fjes_hw.c */ + +TRACE_EVENT(fjes_hw_issue_request_command, + TP_PROTO(union REG_CR *cr, union REG_CS *cs, int timeout, + enum fjes_dev_command_response_e ret), + TP_ARGS(cr, cs, timeout, ret), + TP_STRUCT__entry( + __field(u16, cr_req) + __field(u8, cr_error) + __field(u16, cr_err_info) + __field(u8, cr_req_start) + __field(u16, cs_req) + __field(u8, cs_busy) + __field(u8, cs_complete) + __field(int, timeout) + __field(int, ret); + ), + TP_fast_assign( + __entry->cr_req = cr->bits.req_code; + __entry->cr_error = cr->bits.error; + __entry->cr_err_info = cr->bits.err_info; + __entry->cr_req_start = cr->bits.req_start; + __entry->cs_req = cs->bits.req_code; + __entry->cs_busy = cs->bits.busy; + __entry->cs_complete = cs->bits.complete; + __entry->timeout = timeout; + __entry->ret = ret; + ), + TP_printk("CR=[req=%04x, error=%u, err_info=%04x, req_start=%u], CS=[req=%04x, busy=%u, complete=%u], timeout=%d, ret=%d", + __entry->cr_req, __entry->cr_error, __entry->cr_err_info, + __entry->cr_req_start, __entry->cs_req, __entry->cs_busy, + __entry->cs_complete, __entry->timeout, __entry->ret) +); + +TRACE_EVENT(fjes_hw_request_info, + TP_PROTO(struct fjes_hw *hw, union fjes_device_command_res *res_buf), + TP_ARGS(hw, res_buf), + TP_STRUCT__entry( + __field(int, length) + __field(int, code) + __dynamic_array(u8, zone, hw->max_epid) + __dynamic_array(u8, status, hw->max_epid) + ), + TP_fast_assign( + int x; + + __entry->length = res_buf->info.length; + __entry->code = res_buf->info.code; + for (x = 0; x < hw->max_epid; x++) { + *((u8 *)__get_dynamic_array(zone) + x) = + res_buf->info.info[x].zone; + *((u8 *)__get_dynamic_array(status) + x) = + res_buf->info.info[x].es_status; + } + ), + TP_printk("res_buf=[length=%d, code=%d, es_zones=%s, es_status=%s]", + __entry->length, __entry->code, + __print_array(__get_dynamic_array(zone), + __get_dynamic_array_len(zone) / sizeof(u8), + sizeof(u8)), + __print_array(__get_dynamic_array(status), + __get_dynamic_array_len(status) / sizeof(u8), + sizeof(u8))) +); + +TRACE_EVENT(fjes_hw_request_info_err, + TP_PROTO(char *err), + TP_ARGS(err), + TP_STRUCT__entry( + __string(err, err) + ), + TP_fast_assign( + __assign_str(err, err); + ), + TP_printk("%s", __get_str(err)) +); + +TRACE_EVENT(fjes_hw_register_buff_addr_req, + TP_PROTO(union fjes_device_command_req *req_buf, + struct ep_share_mem_info *buf_pair), + TP_ARGS(req_buf, buf_pair), + TP_STRUCT__entry( + __field(int, length) + __field(int, epid) + __field(u64, tx) + __field(size_t, tx_size) + __field(u64, rx) + __field(size_t, rx_size) + ), + TP_fast_assign( + void *tx, *rx; + + tx = (void *)buf_pair->tx.buffer; + rx = (void *)buf_pair->rx.buffer; + __entry->length = req_buf->share_buffer.length; + __entry->epid = req_buf->share_buffer.epid; + __entry->tx_size = buf_pair->tx.size; + __entry->rx_size = buf_pair->rx.size; + __entry->tx = page_to_phys(vmalloc_to_page(tx)) + + offset_in_page(tx); + __entry->rx = page_to_phys(vmalloc_to_page(rx)) + + offset_in_page(rx); + ), + TP_printk("req_buf=[length=%d, epid=%d], TX=[phy=0x%016llx, size=%zu], RX=[phy=0x%016llx, size=%zu]", + __entry->length, __entry->epid, __entry->tx, __entry->tx_size, + __entry->rx, __entry->rx_size) +); + +TRACE_EVENT(fjes_hw_register_buff_addr, + TP_PROTO(union fjes_device_command_res *res_buf, int timeout), + TP_ARGS(res_buf, timeout), + TP_STRUCT__entry( + __field(int, length) + __field(int, code) + __field(int, timeout) + ), + TP_fast_assign( + __entry->length = res_buf->share_buffer.length; + __entry->code = res_buf->share_buffer.code; + __entry->timeout = timeout; + ), + TP_printk("res_buf=[length=%d, code=%d], timeout=%d", + __entry->length, __entry->code, __entry->timeout) +); + +TRACE_EVENT(fjes_hw_register_buff_addr_err, + TP_PROTO(char *err), + TP_ARGS(err), + TP_STRUCT__entry( + __string(err, err) + ), + TP_fast_assign( + __assign_str(err, err); + ), + TP_printk("%s", __get_str(err)) +); + +TRACE_EVENT(fjes_hw_unregister_buff_addr_req, + TP_PROTO(union fjes_device_command_req *req_buf), + TP_ARGS(req_buf), + TP_STRUCT__entry( + __field(int, length) + __field(int, epid) + ), + TP_fast_assign( + __entry->length = req_buf->unshare_buffer.length; + __entry->epid = req_buf->unshare_buffer.epid; + ), + TP_printk("req_buf=[length=%d, epid=%d]", + __entry->length, __entry->epid) +); + +TRACE_EVENT(fjes_hw_unregister_buff_addr, + TP_PROTO(union fjes_device_command_res *res_buf, int timeout), + TP_ARGS(res_buf, timeout), + TP_STRUCT__entry( + __field(int, length) + __field(int, code) + __field(int, timeout) + ), + TP_fast_assign( + __entry->length = res_buf->unshare_buffer.length; + __entry->code = res_buf->unshare_buffer.code; + __entry->timeout = timeout; + ), + TP_printk("res_buf=[length=%d, code=%d], timeout=%d", + __entry->length, __entry->code, __entry->timeout) +); + +TRACE_EVENT(fjes_hw_unregister_buff_addr_err, + TP_PROTO(char *err), + TP_ARGS(err), + TP_STRUCT__entry( + __string(err, err) + ), + TP_fast_assign( + __assign_str(err, err); + ), + TP_printk("%s", __get_str(err)) +); + +/* tracepoints for fjes_main.c */ + +TRACE_EVENT(fjes_txrx_stop_req_irq_pre, + TP_PROTO(struct fjes_hw *hw, int src_epid, + enum ep_partner_status status), + TP_ARGS(hw, src_epid, status), + TP_STRUCT__entry( + __field(int, src_epid) + __field(enum ep_partner_status, status) + __field(u8, ep_status) + __field(unsigned long, txrx_stop_req_bit) + __field(u16, rx_status) + ), + TP_fast_assign( + __entry->src_epid = src_epid; + __entry->status = status; + __entry->ep_status = hw->hw_info.share->ep_status[src_epid]; + __entry->txrx_stop_req_bit = hw->txrx_stop_req_bit; + __entry->rx_status = + hw->ep_shm_info[src_epid].tx.info->v1i.rx_status; + ), + TP_printk("epid=%d, partner_status=%d, ep_status=%x, txrx_stop_req_bit=%016lx, tx.rx_status=%08x", + __entry->src_epid, __entry->status, __entry->ep_status, + __entry->txrx_stop_req_bit, __entry->rx_status) +); + +TRACE_EVENT(fjes_txrx_stop_req_irq_post, + TP_PROTO(struct fjes_hw *hw, int src_epid), + TP_ARGS(hw, src_epid), + TP_STRUCT__entry( + __field(int, src_epid) + __field(u8, ep_status) + __field(unsigned long, txrx_stop_req_bit) + __field(u16, rx_status) + ), + TP_fast_assign( + __entry->src_epid = src_epid; + __entry->ep_status = hw->hw_info.share->ep_status[src_epid]; + __entry->txrx_stop_req_bit = hw->txrx_stop_req_bit; + __entry->rx_status = hw->ep_shm_info[src_epid].tx.info->v1i.rx_status; + ), + TP_printk("epid=%d, ep_status=%x, txrx_stop_req_bit=%016lx, tx.rx_status=%08x", + __entry->src_epid, __entry->ep_status, + __entry->txrx_stop_req_bit, __entry->rx_status) +); + +TRACE_EVENT(fjes_stop_req_irq_pre, + TP_PROTO(struct fjes_hw *hw, int src_epid, + enum ep_partner_status status), + TP_ARGS(hw, src_epid, status), + TP_STRUCT__entry( + __field(int, src_epid) + __field(enum ep_partner_status, status) + __field(u8, ep_status) + __field(unsigned long, txrx_stop_req_bit) + __field(u16, rx_status) + ), + TP_fast_assign( + __entry->src_epid = src_epid; + __entry->status = status; + __entry->ep_status = hw->hw_info.share->ep_status[src_epid]; + __entry->txrx_stop_req_bit = hw->txrx_stop_req_bit; + __entry->rx_status = + hw->ep_shm_info[src_epid].tx.info->v1i.rx_status; + ), + TP_printk("epid=%d, partner_status=%d, ep_status=%x, txrx_stop_req_bit=%016lx, tx.rx_status=%08x", + __entry->src_epid, __entry->status, __entry->ep_status, + __entry->txrx_stop_req_bit, __entry->rx_status) +); + +TRACE_EVENT(fjes_stop_req_irq_post, + TP_PROTO(struct fjes_hw *hw, int src_epid), + TP_ARGS(hw, src_epid), + TP_STRUCT__entry( + __field(int, src_epid) + __field(u8, ep_status) + __field(unsigned long, txrx_stop_req_bit) + __field(u16, rx_status) + ), + TP_fast_assign( + __entry->src_epid = src_epid; + __entry->ep_status = hw->hw_info.share->ep_status[src_epid]; + __entry->txrx_stop_req_bit = hw->txrx_stop_req_bit; + __entry->rx_status = + hw->ep_shm_info[src_epid].tx.info->v1i.rx_status; + ), + TP_printk("epid=%d, ep_status=%x, txrx_stop_req_bit=%016lx, tx.rx_status=%08x", + __entry->src_epid, __entry->ep_status, + __entry->txrx_stop_req_bit, __entry->rx_status) +); + +#endif /* FJES_TRACE_H_ */ + +#undef TRACE_INCLUDE_PATH +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_PATH ../../../drivers/net/fjes +#define TRACE_INCLUDE_FILE fjes_trace + +/* This part must be outside protection */ +#include -- 2.39.5