From patchwork Fri Oct 6 12:28:52 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bernard Metzler X-Patchwork-Id: 9989141 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 112E260247 for ; Fri, 6 Oct 2017 12:29:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F01A028B6D for ; Fri, 6 Oct 2017 12:29:38 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E528A28D9D; Fri, 6 Oct 2017 12:29:38 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EE56528D9C for ; Fri, 6 Oct 2017 12:29:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752073AbdJFM3f (ORCPT ); Fri, 6 Oct 2017 08:29:35 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:37124 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752083AbdJFM3c (ORCPT ); Fri, 6 Oct 2017 08:29:32 -0400 Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id v96CTAxl108345 for ; Fri, 6 Oct 2017 08:29:32 -0400 Received: from e06smtp10.uk.ibm.com (e06smtp10.uk.ibm.com [195.75.94.106]) by mx0b-001b2d01.pphosted.com with ESMTP id 2de9sx0bv2-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Fri, 06 Oct 2017 08:29:31 -0400 Received: from localhost by e06smtp10.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Fri, 6 Oct 2017 13:29:27 +0100 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v96CTQEV28901596; Fri, 6 Oct 2017 12:29:26 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A8ADA4C044; Fri, 6 Oct 2017 13:25:29 +0100 (BST) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7F8AD4C040; Fri, 6 Oct 2017 13:25:29 +0100 (BST) Received: from zac27.zurich.ibm.com (unknown [9.4.233.128]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Fri, 6 Oct 2017 13:25:29 +0100 (BST) From: Bernard Metzler To: linux-rdma@vger.kernel.org Cc: Bernard Metzler Subject: [PATCH v2 12/13] SoftiWarp debugging code Date: Fri, 6 Oct 2017 08:28:52 -0400 X-Mailer: git-send-email 2.13.6 In-Reply-To: <20171006122853.16310-1-bmt@zurich.ibm.com> References: <20171006122853.16310-1-bmt@zurich.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 17100612-0040-0000-0000-000003DFED20 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17100612-0041-0000-0000-000025E16093 Message-Id: <20171006122853.16310-13-bmt@zurich.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-10-06_03:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=1 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1707230000 definitions=main-1710060180 Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Bernard Metzler --- drivers/infiniband/sw/siw/siw_debug.c | 442 ++++++++++++++++++++++++++++++++++ drivers/infiniband/sw/siw/siw_debug.h | 178 ++++++++++++++ 2 files changed, 620 insertions(+) create mode 100644 drivers/infiniband/sw/siw/siw_debug.c create mode 100644 drivers/infiniband/sw/siw/siw_debug.h diff --git a/drivers/infiniband/sw/siw/siw_debug.c b/drivers/infiniband/sw/siw/siw_debug.c new file mode 100644 index 000000000000..d3df394b4828 --- /dev/null +++ b/drivers/infiniband/sw/siw/siw_debug.c @@ -0,0 +1,442 @@ +/* + * Software iWARP device driver for Linux + * + * Authors: Bernard Metzler + * Fredy Neeser + * + * Copyright (c) 2008-2017, IBM Corporation + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of IBM nor the names of its contributors may be + * used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include "siw.h" +#include "siw_cm.h" +#include "siw_obj.h" + +#define FDENTRY(f) (f->f_path.dentry) + + +static struct dentry *siw_debugfs; + +static ssize_t siw_show_qps(struct file *f, char __user *buf, size_t space, + loff_t *ppos) +{ + struct siw_dev *sdev = FDENTRY(f)->d_inode->i_private; + struct list_head *pos, *tmp; + char *kbuf = NULL; + int len = 0, n, num_qp; + + if (*ppos) + goto out; + + kbuf = kmalloc(space, GFP_KERNEL); + if (!kbuf) + goto out; + + num_qp = atomic_read(&sdev->num_qp); + if (!num_qp) + goto out; + + len = snprintf(kbuf, space, "%s: %d QPs\n", sdev->ofa_dev.name, num_qp); + if (len > space) { + len = space; + goto out; + } + space -= len; + n = snprintf(kbuf + len, space, + "%-15s%-6s%-6s%-5s%-5s%-5s%-5s%-5s%-20s%s\n", + "QP-ID", "State", "Ref's", "SQ", "RQ", "IRQ", "ORQ", + "s/r", "Sock", "CEP"); + + if (n > space) { + len += space; + goto out; + } + len += n; + space -= n; + + list_for_each_safe(pos, tmp, &sdev->qp_list) { + struct siw_qp *qp = list_entry(pos, struct siw_qp, devq); + + n = snprintf(kbuf + len, space, + "%-15d%-6d%-6d%-5d%-5d%-5d%-5d%d/%-3d0x%-18p0x%-18p\n", + QP_ID(qp), + qp->attrs.state, + refcount_read(&qp->hdr.ref), + qp->attrs.sq_size, + qp->attrs.rq_size, + qp->attrs.irq_size, + qp->attrs.orq_size, + tx_wqe(qp) ? 1 : 0, + rx_wqe(qp) ? 1 : 0, + qp->attrs.llp_stream_handle, + qp->cep); + if (n < space) { + len += n; + space -= n; + } else { + len += space; + break; + } + } +out: + if (len) + len = simple_read_from_buffer(buf, len, ppos, kbuf, len); + + kfree(kbuf); + + return len; +}; + +static ssize_t siw_show_ceps(struct file *f, char __user *buf, size_t space, + loff_t *ppos) +{ + struct siw_dev *sdev = FDENTRY(f)->d_inode->i_private; + struct list_head *pos, *tmp; + char *kbuf = NULL; + int len = 0, n, num_cep; + + if (*ppos) + goto out; + + kbuf = kmalloc(space, GFP_KERNEL); + if (!kbuf) + goto out; + + num_cep = atomic_read(&sdev->num_cep); + if (!num_cep) + goto out; + + len = snprintf(kbuf, space, "%s: %d CEPs\n", sdev->ofa_dev.name, + num_cep); + if (len > space) { + len = space; + goto out; + } + space -= len; + + n = snprintf(kbuf + len, space, + "%-20s%-6s%-6s%-9s%-5s%-3s%-4s%-21s%-9s\n", + "CEP", "State", "Ref's", "QP-ID", "LQ", "LC", "U", "Sock", + "CM-ID"); + + if (n > space) { + len += space; + goto out; + } + len += n; + space -= n; + + list_for_each_safe(pos, tmp, &sdev->cep_list) { + struct siw_cep *cep = list_entry(pos, struct siw_cep, devq); + + n = snprintf(kbuf + len, space, + "0x%-18p%-6d%-6d%-9d%-5s%-3s%-4d0x%-18p 0x%-16p\n", + cep, cep->state, + refcount_read(&cep->ref), + cep->qp ? QP_ID(cep->qp) : -1, + list_empty(&cep->listenq) ? "n" : "y", + cep->listen_cep ? "y" : "n", + cep->in_use, + cep->llp.sock, + cep->cm_id); + if (n < space) { + len += n; + space -= n; + } else { + len += space; + break; + } + } +out: + if (len) + len = simple_read_from_buffer(buf, len, ppos, kbuf, len); + + kfree(kbuf); + + return len; +}; + +static ssize_t siw_show_stats(struct file *f, char __user *buf, size_t space, + loff_t *ppos) +{ + struct siw_dev *sdev = FDENTRY(f)->d_inode->i_private; + char *kbuf = NULL; + int len = 0; + + if (*ppos) + goto out; + + kbuf = kmalloc(space, GFP_KERNEL); + if (!kbuf) + goto out; + + len = snprintf(kbuf, space, "Allocated SIW Objects:\n" + "Device %s (%s):\t" + "%s: %d, %s %d, %s: %d, %s: %d, %s: %d, %s: %d, %s: %d\n", + sdev->ofa_dev.name, + sdev->netdev->flags & IFF_UP ? "IFF_UP" : "IFF_DOWN", + "CXs", atomic_read(&sdev->num_ctx), + "PDs", atomic_read(&sdev->num_pd), + "QPs", atomic_read(&sdev->num_qp), + "CQs", atomic_read(&sdev->num_cq), + "SRQs", atomic_read(&sdev->num_srq), + "MRs", atomic_read(&sdev->num_mem), + "CEPs", atomic_read(&sdev->num_cep)); + if (len > space) + len = space; +out: + if (len) + len = simple_read_from_buffer(buf, len, ppos, kbuf, len); + + kfree(kbuf); + return len; +} + +static const struct file_operations siw_qp_debug_fops = { + .owner = THIS_MODULE, + .read = siw_show_qps +}; + +static const struct file_operations siw_cep_debug_fops = { + .owner = THIS_MODULE, + .read = siw_show_ceps +}; + +static const struct file_operations siw_stats_debug_fops = { + .owner = THIS_MODULE, + .read = siw_show_stats +}; + +void siw_debugfs_add_device(struct siw_dev *sdev) +{ + struct dentry *entry; + + if (!siw_debugfs) + return; + + sdev->debugfs = debugfs_create_dir(sdev->ofa_dev.name, siw_debugfs); + if (sdev->debugfs) { + entry = debugfs_create_file("qp", 0400, sdev->debugfs, + (void *)sdev, &siw_qp_debug_fops); + if (!entry) + dprint(DBG_DM, ": could not create 'qp' entry\n"); + + entry = debugfs_create_file("cep", 0400, sdev->debugfs, + (void *)sdev, &siw_cep_debug_fops); + if (!entry) + dprint(DBG_DM, ": could not create 'cep' entry\n"); + + entry = debugfs_create_file("stats", 0400, sdev->debugfs, + (void *)sdev, + &siw_stats_debug_fops); + if (!entry) + dprint(DBG_DM, ": could not create 'stats' entry\n"); + } +} + +void siw_debugfs_del_device(struct siw_dev *sdev) +{ + debugfs_remove_recursive(sdev->debugfs); + sdev->debugfs = NULL; +} + +void siw_debug_init(void) +{ + siw_debugfs = debugfs_create_dir("siw", NULL); + + if (!siw_debugfs || siw_debugfs == ERR_PTR(-ENODEV)) { + dprint(DBG_DM, ": could not init debugfs\n"); + siw_debugfs = NULL; + } +} + +void siw_debugfs_delete(void) +{ + debugfs_remove_recursive(siw_debugfs); + siw_debugfs = NULL; +} + +void siw_print_qp_attr_mask(enum ib_qp_attr_mask attr_mask, char *msg) +{ + pr_info("-------- %s -------\n", msg); + if (IB_QP_STATE & attr_mask) + pr_info("IB_QP_STATE\n"); + if (IB_QP_CUR_STATE & attr_mask) + pr_info("IB_QP_CUR_STATE\n"); + if (IB_QP_EN_SQD_ASYNC_NOTIFY & attr_mask) + pr_info("IB_QP_EN_SQD_ASYNC_NOTIFY\n"); + if (IB_QP_ACCESS_FLAGS & attr_mask) + pr_info("IB_QP_ACCESS_FLAGS\n"); + if (IB_QP_PKEY_INDEX & attr_mask) + pr_info("IB_QP_PKEY_INDEX\n"); + if (IB_QP_PORT & attr_mask) + pr_info("IB_QP_PORT\n"); + if (IB_QP_QKEY & attr_mask) + pr_info("IB_QP_QKEY\n"); + if (IB_QP_AV & attr_mask) + pr_info("IB_QP_AV\n"); + if (IB_QP_PATH_MTU & attr_mask) + pr_info("IB_QP_PATH_MTU\n"); + if (IB_QP_TIMEOUT & attr_mask) + pr_info("IB_QP_TIMEOUT\n"); + if (IB_QP_RETRY_CNT & attr_mask) + pr_info("IB_QP_RETRY_CNT\n"); + if (IB_QP_RNR_RETRY & attr_mask) + pr_info("IB_QP_RNR_RETRY\n"); + if (IB_QP_RQ_PSN & attr_mask) + pr_info("IB_QP_RQ_PSN\n"); + if (IB_QP_MAX_QP_RD_ATOMIC & attr_mask) + pr_info("IB_QP_MAX_QP_RD_ATOMIC\n"); + if (IB_QP_ALT_PATH & attr_mask) + pr_info("IB_QP_ALT_PATH\n"); + if (IB_QP_MIN_RNR_TIMER & attr_mask) + pr_info("IB_QP_MIN_RNR_TIMER\n"); + if (IB_QP_SQ_PSN & attr_mask) + pr_info("IB_QP_SQ_PSN\n"); + if (IB_QP_MAX_DEST_RD_ATOMIC & attr_mask) + pr_info("IB_QP_MAX_DEST_RD_ATOMIC\n"); + if (IB_QP_PATH_MIG_STATE & attr_mask) + pr_info("IB_QP_PATH_MIG_STATE\n"); + if (IB_QP_CAP & attr_mask) + pr_info("IB_QP_CAP\n"); + if (IB_QP_DEST_QPN & attr_mask) + pr_info("IB_QP_DEST_QPN\n"); + pr_info("-------- %s -(end)-\n", msg); +} + +void siw_print_hdr(union iwarp_hdrs *hdr, int qp_id, char *msg) +{ + switch (__rdmap_opcode(&hdr->ctrl)) { + + case RDMAP_RDMA_WRITE: + pr_info("QP%04d %s(WRITE, MPA len %d): %08x %016llx\n", + qp_id, msg, ntohs(hdr->ctrl.mpa_len), + hdr->rwrite.sink_stag, hdr->rwrite.sink_to); + break; + + case RDMAP_RDMA_READ_REQ: + pr_info("QP%04d %s(RREQ, MPA len %d): %08x %08x %08x %08x %016llx %08x %08x %016llx\n", + qp_id, msg, + ntohs(hdr->ctrl.mpa_len), + hdr->rreq.ddp_qn, hdr->rreq.ddp_msn, + hdr->rreq.ddp_mo, hdr->rreq.sink_stag, + hdr->rreq.sink_to, hdr->rreq.read_size, + hdr->rreq.source_stag, hdr->rreq.source_to); + + break; + + case RDMAP_RDMA_READ_RESP: + pr_info("QP%04d %s(RRESP, MPA len %d): %08x %016llx\n", + qp_id, msg, ntohs(hdr->ctrl.mpa_len), + hdr->rresp.sink_stag, hdr->rresp.sink_to); + break; + + case RDMAP_SEND: + pr_info("QP%04d %s(SEND, MPA len %d): %08x %08x %08x\n", + qp_id, msg, ntohs(hdr->ctrl.mpa_len), + hdr->send.ddp_qn, hdr->send.ddp_msn, hdr->send.ddp_mo); + break; + + case RDMAP_SEND_INVAL: + pr_info("QP%04d %s(S_INV, MPA len %d): %08x %08x %08x\n", + qp_id, msg, ntohs(hdr->ctrl.mpa_len), + hdr->send.ddp_qn, hdr->send.ddp_msn, + hdr->send.ddp_mo); + break; + + case RDMAP_SEND_SE: + pr_info("QP%04d %s(S_SE, MPA len %d): %08x %08x %08x\n", + qp_id, msg, ntohs(hdr->ctrl.mpa_len), + hdr->send.ddp_qn, hdr->send.ddp_msn, + hdr->send.ddp_mo); + break; + + case RDMAP_SEND_SE_INVAL: + pr_info("QP%04d %s(S_SE_INV, MPA len %d): %08x %08x %08x\n", + qp_id, msg, ntohs(hdr->ctrl.mpa_len), + hdr->send.ddp_qn, hdr->send.ddp_msn, + hdr->send.ddp_mo); + break; + + case RDMAP_TERMINATE: + pr_info("QP%04d %s(TERM, MPA len %d):\n", qp_id, msg, + ntohs(hdr->ctrl.mpa_len)); + break; + + default: + pr_info("QP%04d %s ?????\n", qp_id, msg); + break; + } +} + +void siw_print_rctx(struct siw_iwarp_rx *rctx) +{ + pr_info("---RX Context---\n"); + siw_print_hdr(&rctx->hdr, RX_QPID(rctx), "\nCurrent Pkt:\t"); + pr_info("Skbuf State:\tp:0x%p, new:%d, off:%d, copied:%d\n", + rctx->skb, rctx->skb_new, rctx->skb_offset, rctx->skb_copied); + pr_info("FPDU State:\trx_state:%d,\n\t\trcvd:%d, rem:%d, pad:%d\n", + rctx->state, rctx->fpdu_part_rcvd, + rctx->fpdu_part_rem, rctx->pad); + pr_info("Rx Mem:\t\tp:0x%p, stag:0x%08x, mem_id:%d\n", + &rctx->wqe_active, rctx->ddp_stag, rctx->ddp_stag >> 8); + pr_info("DDP State:\tprev_op:%d, first_seg:%d, more_segs:%d\n", + rctx->prev_rdmap_opcode, rctx->first_ddp_seg, + rctx->more_ddp_segs); + pr_info("MPA State:\tlen:%d, crc_enabled:%d, crc:0x%x\n", + ntohs(rctx->hdr.ctrl.mpa_len), rctx->mpa_crc_hd ? 1 : 0, + rctx->trailer.crc); + pr_info("----------------\n"); +} + +#if DPRINT_MASK > 0 +char ib_qp_state_to_string[IB_QPS_ERR+1][sizeof "RESET"] = { + [IB_QPS_RESET] = "RESET", + [IB_QPS_INIT] = "INIT", + [IB_QPS_RTR] = "RTR", + [IB_QPS_RTS] = "RTS", + [IB_QPS_SQD] = "SQD", + [IB_QPS_SQE] = "SQE", + [IB_QPS_ERR] = "ERR" +}; +#endif diff --git a/drivers/infiniband/sw/siw/siw_debug.h b/drivers/infiniband/sw/siw/siw_debug.h new file mode 100644 index 000000000000..0adc8f3467f7 --- /dev/null +++ b/drivers/infiniband/sw/siw/siw_debug.h @@ -0,0 +1,178 @@ +/* + * Software iWARP device driver for Linux + * + * Authors: Fredy Neeser + * Bernard Metzler + * + * Copyright (c) 2008-2017, IBM Corporation + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of IBM nor the names of its contributors may be + * used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef _SIW_DEBUG_H +#define _SIW_DEBUG_H + +#include +#include /* in_interrupt() */ + +/* + * dprint: Selective debug printing + * + * Use an OR combination of DBG_* as dbgcat in dprint*(dbgcat,...) + * to assign debug messages to categories: + * + * dbgcat Debug message belongs to category + * ---------------------------------------------------------------------------- + * DBG_ON Always on, for really important events or error conditions + * DBG_TMP Temporarily on for fine-grained debugging + * DBQ_OBJ Object management (object construction/destruction/refcounting) + * DBG_MM Memory management + * DBG_EH Event handling (completion events and asynchronous events) + * DBG_CM Connection management, QP states + * DBG_WR Work requests + * DBG_TX iWARP TX path + * DBG_RX iWARP RX path + * DBG_SK Socket operations + * DBG_IRQ Interrupt context (SoftIRQ or HardIRQ) + * DBG_DM Device management + * DBG_HDR Packet HDRs + * DBG_ALL All categories above + */ +#define DBG_OFF 0 +#define DBG_ON 0x00000001 +#define DBG_TMP 0x00000002 +#define DBG_OBJ 0x00000004 +#define DBG_MM 0x00000008 +#define DBG_EH 0x00000010 +#define DBG_CM 0x00000020 +#define DBG_WR 0x00000040 +#define DBG_TX 0x00000080 +#define DBG_RX 0x00000100 +#define DBG_SK 0x00000200 +#define DBG_IRQ 0x00000800 +#define DBG_DM 0x00001000 +#define DBG_HDR 0x00002000 +#define DBG_CQ 0x00004000 +#define DBG_ALL (DBG_IRQ|DBG_SK|DBG_RX|DBG_TX|DBG_WR|\ + DBG_CM|DBG_EH|DBG_MM|DBG_OBJ|DBG_TMP|\ + DBG_DM|DBG_ON|DBG_HDR|DBG_CQ) +#define DBG_ALL_NOHDR (DBG_IRQ|DBG_SK|DBG_RX|DBG_TX|DBG_WR|\ + DBG_CM|DBG_EH|DBG_MM|DBG_OBJ|DBG_TMP|\ + DBG_DM|DBG_ON) +#define DBG_CTRL (DBG_ON|DBG_CM|DBG_DM) + +/* + * Set DPRINT_MASK to tailor your debugging needs: + * + * DPRINT_MASK value Enables debug messages for + * --------------------------------------------------------------------- + * DBG_ON Important events / error conditions only + * (minimum number of debug messages) + * OR-ed combination of DBG_* Selective debugging + * DBG_TX|DBG_ON + transmit path + * DBG_ALL All categories + */ +#define DPRINT_MASK (DBG_ON) + +struct siw_dev; +struct siw_iwarp_rx; +union iwarp_hdrs; + +extern void siw_debug_init(void); +extern void siw_debugfs_add_device(struct siw_dev *dev); +extern void siw_debugfs_del_device(struct siw_dev *dev); +extern void siw_debugfs_delete(void); + +extern void siw_print_hdr(union iwarp_hdrs *hdr, int id, char *msg); +extern void siw_print_rctx(struct siw_iwarp_rx *rctx); +extern void siw_print_qp_attr_mask(enum ib_qp_attr_mask mask, char *msg); + +#ifndef refcount_read +#define refcount_read(x) atomic_read(x.refcount.refs) +#endif + +#if DPRINT_MASK > 0 + +/** + * dprint - Selective debug print for process, SoftIRQ or HardIRQ context + * + * Debug print with selectable debug categories, + * starting with header + * - "( pid /cpu) __func__" for process context + * - "( irq /cpu) __func__" for IRQ context + * + * @dbgcat : Set of debug categories (OR-ed combination of DBG_* above), + * to which this debug message is assigned. + * @fmt : printf compliant format string + * @args : printf compliant argument list + */ +#define dprint(dbgcat, fmt, args...) \ + do { \ + if ((dbgcat) & DPRINT_MASK) { \ + if (!in_interrupt()) \ + pr_info("(%5d/%1d) %s" fmt, \ + current->pid, \ + current->on_cpu, \ + __func__, ## args); \ + else \ + pr_info("( irq /%1d) %s" fmt, \ + current->on_cpu, \ + __func__, ## args); \ + } \ + } while (0) + + +#define siw_dprint_rctx(r) siw_print_rctx(r) + +extern char ib_qp_state_to_string[IB_QPS_ERR+1][sizeof "RESET"]; + +#else + +#define dprint(dbgcat, fmt, args...) do { } while (0) +#define siw_dprint_rctx(r) do { } while (0) + +#endif + + +#if DPRINT_MASK & DBG_HDR +#define siw_dprint_hdr(h, i, m) siw_print_hdr(h, i, m) +#else +#define siw_dprint_hdr(h, i, m) do { } while (0) +#endif + +#if DPRINT_MASK & DBG_CM +#define siw_dprint_qp_attr_mask(mask)\ + siw_print_qp_attr_mask(mask, (char *)__func__) +#else +#define siw_dprint_qp_attr_mask(mask) do { } while (0) +#endif + +#endif