From patchwork Mon Mar 11 10:29:09 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yuval Shaia X-Patchwork-Id: 1054345 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=oracle.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=oracle.com header.i=@oracle.com header.b="AGoqHnVq"; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 44Hvml4nm8z9s4Y for ; Mon, 11 Mar 2019 21:41:59 +1100 (AEDT) Received: from localhost ([127.0.0.1]:59302 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h3INZ-0008FT-9h for incoming@patchwork.ozlabs.org; Mon, 11 Mar 2019 06:41:57 -0400 Received: from eggs.gnu.org ([209.51.188.92]:36365) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h3IBS-0007Xu-9H for qemu-devel@nongnu.org; Mon, 11 Mar 2019 06:29:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1h3IBP-0000u0-8d for qemu-devel@nongnu.org; Mon, 11 Mar 2019 06:29:26 -0400 Received: from aserp2130.oracle.com ([141.146.126.79]:59598) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1h3IBO-0000tE-Rt for qemu-devel@nongnu.org; Mon, 11 Mar 2019 06:29:23 -0400 Received: from pps.filterd (aserp2130.oracle.com [127.0.0.1]) by aserp2130.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x2BASXSF186092; Mon, 11 Mar 2019 10:29:20 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : subject : date : message-id : in-reply-to : references; s=corp-2018-07-02; bh=zRYPzi1GBj+AivFrptakXlY/xltaiL6Ylk/WP2bPEHw=; b=AGoqHnVqrQbdRskrQbkp68iA+MqNrMiN+gbLChYtmzpj3BIBA+YJfNTVTauV2qRHt6al MXvmzo6b3A9Q9zlKYkl+WInFQ5+mj8ssCiDtj8bmzXIhIUqFB7rQqxG0nS1O1+rWyR5G Jgvmpp7hYeSockXJPKhJY8VzyEI35etIMcxO7FX8PMXAOuMBK9/6ay/iw+Jep+1iT36l l2NEZYBYG3UCHLeHPWyjCKREvA0HvllW6NqiKJ7WEOr4/upder9mq+pmvtt4KsflwB0Z x2l3Y2SDmc05KMotup7HVncDrSO6/x/i4JbG2UXAJY9DSQ5ogBepmLLlt1wDBYlrygpy dQ== Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp2130.oracle.com with ESMTP id 2r430ee096-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 11 Mar 2019 10:29:20 +0000 Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.14.4/8.14.4) with ESMTP id x2BATJAB028413 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 11 Mar 2019 10:29:19 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id x2BATJ3q009392; Mon, 11 Mar 2019 10:29:19 GMT Received: from ca-dev66.localdomain (/10.68.48.69) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 11 Mar 2019 03:29:19 -0700 From: Yuval Shaia To: dgilbert@redhat.com, yuval.shaia@oracle.com, marcel.apfelbaum@gmail.com, qemu-devel@nongnu.org, armbru@redhat.com Date: Mon, 11 Mar 2019 03:29:09 -0700 Message-Id: <1552300155-25216-6-git-send-email-yuval.shaia@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1552300155-25216-1-git-send-email-yuval.shaia@oracle.com> References: <1552300155-25216-1-git-send-email-yuval.shaia@oracle.com> X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9191 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=2 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1903110079 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 141.146.126.79 Subject: [Qemu-devel] [PATCH v6 05/11] {hmp, hw/pvrdma}: Expose device internals via monitor interface X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Allow interrogating device internals through HMP interface. The exposed indicators can be used for troubleshooting by developers or sysadmin. There is no need to expose these attributes to a management system (e.x. libvirt) because (1) most of them are not "device-management' related info and (2) there is no guarantee the interface is stable. Signed-off-by: Yuval Shaia Acked-by: Dr. David Alan Gilbert Acked-by: Markus Armbruster Reviewed-by: Marcel Apfelbaum --- hmp-commands-info.hx | 14 +++++++++++++ hmp.c | 27 ++++++++++++++++++++++++ hmp.h | 1 + hw/rdma/Makefile.objs | 2 +- hw/rdma/rdma.c | 30 +++++++++++++++++++++++++++ hw/rdma/rdma_rm.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++ hw/rdma/rdma_rm.h | 1 + hw/rdma/vmw/pvrdma_main.c | 26 +++++++++++++++++++++++ include/hw/rdma/rdma.h | 40 +++++++++++++++++++++++++++++++++++ 9 files changed, 193 insertions(+), 1 deletion(-) create mode 100644 hw/rdma/rdma.c create mode 100644 include/hw/rdma/rdma.h diff --git a/hmp-commands-info.hx b/hmp-commands-info.hx index cbee8b9..c59444c 100644 --- a/hmp-commands-info.hx +++ b/hmp-commands-info.hx @@ -205,6 +205,20 @@ Show PIC state. ETEXI { + .name = "rdma", + .args_type = "", + .params = "", + .help = "show RDMA state", + .cmd = hmp_info_rdma, + }, + +STEXI +@item info rdma +@findex info rdma +Show RDMA state. +ETEXI + + { .name = "pci", .args_type = "", .params = "", diff --git a/hmp.c b/hmp.c index 4a702d5..fa1e59a 100644 --- a/hmp.c +++ b/hmp.c @@ -51,6 +51,7 @@ #include "qemu/error-report.h" #include "exec/ramlist.h" #include "hw/intc/intc.h" +#include "hw/rdma/rdma.h" #include "migration/snapshot.h" #include "migration/misc.h" @@ -1013,6 +1014,32 @@ void hmp_info_pic(Monitor *mon, const QDict *qdict) hmp_info_pic_foreach, mon); } +static int hmp_info_rdma_foreach(Object *obj, void *opaque) +{ + RdmaProvider *rdma; + RdmaProviderClass *k; + Monitor *mon = opaque; + + if (object_dynamic_cast(obj, INTERFACE_RDMA_PROVIDER)) { + rdma = RDMA_PROVIDER(obj); + k = RDMA_PROVIDER_GET_CLASS(obj); + if (k->print_statistics) { + k->print_statistics(mon, rdma); + } else { + monitor_printf(mon, "RDMA statistics not available for %s.\n", + object_get_typename(obj)); + } + } + + return 0; +} + +void hmp_info_rdma(Monitor *mon, const QDict *qdict) +{ + object_child_foreach_recursive(object_get_root(), + hmp_info_rdma_foreach, mon); +} + void hmp_info_pci(Monitor *mon, const QDict *qdict) { PciInfoList *info_list, *info; diff --git a/hmp.h b/hmp.h index e0f32f0..43617f2 100644 --- a/hmp.h +++ b/hmp.h @@ -36,6 +36,7 @@ void hmp_info_spice(Monitor *mon, const QDict *qdict); void hmp_info_balloon(Monitor *mon, const QDict *qdict); void hmp_info_irq(Monitor *mon, const QDict *qdict); void hmp_info_pic(Monitor *mon, const QDict *qdict); +void hmp_info_rdma(Monitor *mon, const QDict *qdict); void hmp_info_pci(Monitor *mon, const QDict *qdict); void hmp_info_block_jobs(Monitor *mon, const QDict *qdict); void hmp_info_tpm(Monitor *mon, const QDict *qdict); diff --git a/hw/rdma/Makefile.objs b/hw/rdma/Makefile.objs index bd36cbf..c354e60 100644 --- a/hw/rdma/Makefile.objs +++ b/hw/rdma/Makefile.objs @@ -1,5 +1,5 @@ ifeq ($(CONFIG_PVRDMA),y) -obj-$(CONFIG_PCI) += rdma_utils.o rdma_backend.o rdma_rm.o +obj-$(CONFIG_PCI) += rdma_utils.o rdma_backend.o rdma_rm.o rdma.o obj-$(CONFIG_PCI) += vmw/pvrdma_dev_ring.o vmw/pvrdma_cmd.o \ vmw/pvrdma_qp_ops.o vmw/pvrdma_main.o endif diff --git a/hw/rdma/rdma.c b/hw/rdma/rdma.c new file mode 100644 index 0000000..7bec0d0 --- /dev/null +++ b/hw/rdma/rdma.c @@ -0,0 +1,30 @@ +/* + * RDMA device interface + * + * Copyright (C) 2018 Oracle + * Copyright (C) 2018 Red Hat Inc + * + * Authors: + * Yuval Shaia + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ + +#include "qemu/osdep.h" +#include "hw/rdma/rdma.h" +#include "qemu/module.h" + +static const TypeInfo rdma_hmp_info = { + .name = INTERFACE_RDMA_PROVIDER, + .parent = TYPE_INTERFACE, + .class_size = sizeof(RdmaProviderClass), +}; + +static void rdma_register_types(void) +{ + type_register_static(&rdma_hmp_info); +} + +type_init(rdma_register_types) diff --git a/hw/rdma/rdma_rm.c b/hw/rdma/rdma_rm.c index 35fa1ab..b50e192 100644 --- a/hw/rdma/rdma_rm.c +++ b/hw/rdma/rdma_rm.c @@ -16,6 +16,7 @@ #include "qemu/osdep.h" #include "qapi/error.h" #include "cpu.h" +#include "monitor/monitor.h" #include "trace.h" #include "rdma_utils.h" @@ -26,6 +27,58 @@ #define PG_DIR_SZ { TARGET_PAGE_SIZE / sizeof(__u64) } #define PG_TBL_SZ { TARGET_PAGE_SIZE / sizeof(__u64) } +void rdma_dump_device_counters(Monitor *mon, RdmaDeviceResources *dev_res) +{ + monitor_printf(mon, "\ttx : %" PRId64 "\n", + dev_res->stats.tx); + monitor_printf(mon, "\ttx_len : %" PRId64 "\n", + dev_res->stats.tx_len); + monitor_printf(mon, "\ttx_err : %" PRId64 "\n", + dev_res->stats.tx_err); + monitor_printf(mon, "\trx_bufs : %" PRId64 "\n", + dev_res->stats.rx_bufs); + monitor_printf(mon, "\trx_bufs_len : %" PRId64 "\n", + dev_res->stats.rx_bufs_len); + monitor_printf(mon, "\trx_bufs_err : %" PRId64 "\n", + dev_res->stats.rx_bufs_err); + monitor_printf(mon, "\tcomps : %" PRId64 "\n", + dev_res->stats.completions); + monitor_printf(mon, "\tmissing_comps : %" PRId32 "\n", + dev_res->stats.missing_cqe); + monitor_printf(mon, "\tpoll_cq (bk) : %" PRId64 "\n", + dev_res->stats.poll_cq_from_bk); + monitor_printf(mon, "\tpoll_cq_ppoll_to : %" PRId64 "\n", + dev_res->stats.poll_cq_ppoll_to); + monitor_printf(mon, "\tpoll_cq (fe) : %" PRId64 "\n", + dev_res->stats.poll_cq_from_guest); + monitor_printf(mon, "\tpoll_cq_empty : %" PRId64 "\n", + dev_res->stats.poll_cq_from_guest_empty); + monitor_printf(mon, "\tmad_tx : %" PRId64 "\n", + dev_res->stats.mad_tx); + monitor_printf(mon, "\tmad_tx_err : %" PRId64 "\n", + dev_res->stats.mad_tx_err); + monitor_printf(mon, "\tmad_rx : %" PRId64 "\n", + dev_res->stats.mad_rx); + monitor_printf(mon, "\tmad_rx_err : %" PRId64 "\n", + dev_res->stats.mad_rx_err); + monitor_printf(mon, "\tmad_rx_bufs : %" PRId64 "\n", + dev_res->stats.mad_rx_bufs); + monitor_printf(mon, "\tmad_rx_bufs_err : %" PRId64 "\n", + dev_res->stats.mad_rx_bufs_err); + monitor_printf(mon, "\tPDs : %" PRId32 "\n", + dev_res->pd_tbl.used); + monitor_printf(mon, "\tMRs : %" PRId32 "\n", + dev_res->mr_tbl.used); + monitor_printf(mon, "\tUCs : %" PRId32 "\n", + dev_res->uc_tbl.used); + monitor_printf(mon, "\tQPs : %" PRId32 "\n", + dev_res->qp_tbl.used); + monitor_printf(mon, "\tCQs : %" PRId32 "\n", + dev_res->cq_tbl.used); + monitor_printf(mon, "\tCEQ_CTXs : %" PRId32 "\n", + dev_res->cqe_ctx_tbl.used); +} + static inline void res_tbl_init(const char *name, RdmaRmResTbl *tbl, uint32_t tbl_sz, uint32_t res_sz) { diff --git a/hw/rdma/rdma_rm.h b/hw/rdma/rdma_rm.h index f9b2ec5..4f03f9b 100644 --- a/hw/rdma/rdma_rm.h +++ b/hw/rdma/rdma_rm.h @@ -81,5 +81,6 @@ static inline union ibv_gid *rdma_rm_get_gid(RdmaDeviceResources *dev_res, { return &dev_res->port.gid_tbl[sgid_idx].gid; } +void rdma_dump_device_counters(Monitor *mon, RdmaDeviceResources *dev_res); #endif diff --git a/hw/rdma/vmw/pvrdma_main.c b/hw/rdma/vmw/pvrdma_main.c index dd35646..729a2df 100644 --- a/hw/rdma/vmw/pvrdma_main.c +++ b/hw/rdma/vmw/pvrdma_main.c @@ -25,6 +25,8 @@ #include "cpu.h" #include "trace.h" #include "sysemu/sysemu.h" +#include "monitor/monitor.h" +#include "hw/rdma/rdma.h" #include "../rdma_rm.h" #include "../rdma_backend.h" @@ -55,6 +57,26 @@ static Property pvrdma_dev_properties[] = { DEFINE_PROP_END_OF_LIST(), }; +static void pvrdma_print_statistics(Monitor *mon, RdmaProvider *obj) +{ + PVRDMADev *dev = PVRDMA_DEV(obj); + PCIDevice *pdev = PCI_DEVICE(dev); + + monitor_printf(mon, "%s, %x.%x\n", pdev->name, PCI_SLOT(pdev->devfn), + PCI_FUNC(pdev->devfn)); + monitor_printf(mon, "\tcommands : %" PRId64 "\n", + dev->stats.commands); + monitor_printf(mon, "\tregs_reads : %" PRId64 "\n", + dev->stats.regs_reads); + monitor_printf(mon, "\tregs_writes : %" PRId64 "\n", + dev->stats.regs_writes); + monitor_printf(mon, "\tuar_writes : %" PRId64 "\n", + dev->stats.uar_writes); + monitor_printf(mon, "\tinterrupts : %" PRId64 "\n", + dev->stats.interrupts); + rdma_dump_device_counters(mon, &dev->rdma_dev_res); +} + static void free_dev_ring(PCIDevice *pci_dev, PvrdmaRing *ring, void *ring_state) { @@ -639,6 +661,7 @@ static void pvrdma_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); + RdmaProviderClass *ir = INTERFACE_RDMA_PROVIDER_CLASS(klass); k->realize = pvrdma_realize; k->exit = pvrdma_exit; @@ -650,6 +673,8 @@ static void pvrdma_class_init(ObjectClass *klass, void *data) dc->desc = "RDMA Device"; dc->props = pvrdma_dev_properties; set_bit(DEVICE_CATEGORY_NETWORK, dc->categories); + + ir->print_statistics = pvrdma_print_statistics; } static const TypeInfo pvrdma_info = { @@ -659,6 +684,7 @@ static const TypeInfo pvrdma_info = { .class_init = pvrdma_class_init, .interfaces = (InterfaceInfo[]) { { INTERFACE_CONVENTIONAL_PCI_DEVICE }, + { INTERFACE_RDMA_PROVIDER }, { } } }; diff --git a/include/hw/rdma/rdma.h b/include/hw/rdma/rdma.h new file mode 100644 index 0000000..68290fb --- /dev/null +++ b/include/hw/rdma/rdma.h @@ -0,0 +1,40 @@ +/* + * RDMA device interface + * + * Copyright (C) 2019 Oracle + * Copyright (C) 2019 Red Hat Inc + * + * Authors: + * Yuval Shaia + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ + +#ifndef RDMA_H +#define RDMA_H + +#include "qom/object.h" + +#define INTERFACE_RDMA_PROVIDER "rdma" + +#define INTERFACE_RDMA_PROVIDER_CLASS(klass) \ + OBJECT_CLASS_CHECK(RdmaProviderClass, (klass), \ + INTERFACE_RDMA_PROVIDER) +#define RDMA_PROVIDER_GET_CLASS(obj) \ + OBJECT_GET_CLASS(RdmaProviderClass, (obj), \ + INTERFACE_RDMA_PROVIDER) +#define RDMA_PROVIDER(obj) \ + INTERFACE_CHECK(RdmaProvider, (obj), \ + INTERFACE_RDMA_PROVIDER) + +typedef struct RdmaProvider RdmaProvider; + +typedef struct RdmaProviderClass { + InterfaceClass parent; + + void (*print_statistics)(Monitor *mon, RdmaProvider *obj); +} RdmaProviderClass; + +#endif