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Mon, 6 Apr 2020 09:42:16 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserp3030.oracle.com with ESMTP id 3073spk6gt-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 06 Apr 2020 09:42:16 +0000 Received: from abhmp0016.oracle.com (abhmp0016.oracle.com [141.146.116.22]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 0369gFqj032026; Mon, 6 Apr 2020 09:42:15 GMT Received: from flaka.hsd1.ca.comcast.net (/67.180.143.163) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 06 Apr 2020 02:42:15 -0700 From: elena.ufimtseva@oracle.com To: qemu-devel@nongnu.org Subject: [PATCH v6 26/36] multi-process: add parse_cmdline in remote process Date: Mon, 6 Apr 2020 02:41:16 -0700 Message-Id: <620dba4d6247004dadb2202a58d0d6e2765e417e.1586165556.git.elena.ufimtseva@oracle.com> X-Mailer: git-send-email 2.25.GIT In-Reply-To: References: MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9582 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 phishscore=0 spamscore=0 malwarescore=0 suspectscore=1 adultscore=0 bulkscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2004060083 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9582 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 mlxlogscore=999 spamscore=0 priorityscore=1501 suspectscore=1 lowpriorityscore=0 malwarescore=0 impostorscore=0 mlxscore=0 phishscore=0 adultscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2004060083 X-MIME-Autoconverted: from 8bit to quoted-printable by aserp2120.oracle.com id 0369eShA070136 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 141.146.126.78 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: elena.ufimtseva@oracle.com, fam@euphon.net, swapnil.ingle@nutanix.com, john.g.johnson@oracle.com, kraxel@redhat.com, jag.raman@oracle.com, quintela@redhat.com, mst@redhat.com, armbru@redhat.com, kanth.ghatraju@oracle.com, felipe@nutanix.com, thuth@redhat.com, ehabkost@redhat.com, konrad.wilk@oracle.com, dgilbert@redhat.com, liran.alon@oracle.com, stefanha@redhat.com, thanos.makatos@nutanix.com, rth@twiddle.net, kwolf@redhat.com, berrange@redhat.com, mreitz@redhat.com, ross.lagerwall@citrix.com, marcandre.lureau@gmail.com, pbonzini@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Elena Ufimtseva Signed-off-by: Elena Ufimtseva Signed-off-by: Jagannathan Raman Signed-off-by: John G Johnson --- MAINTAINERS | 2 ++ remote/Makefile.objs | 1 + remote/remote-main.c | 20 +++++++++++- remote/remote-opts.c | 75 ++++++++++++++++++++++++++++++++++++++++++++ remote/remote-opts.h | 15 +++++++++ 5 files changed, 112 insertions(+), 1 deletion(-) create mode 100644 remote/remote-opts.c create mode 100644 remote/remote-opts.h diff --git a/MAINTAINERS b/MAINTAINERS index 21fbf9a0f0..2a0fd65f7a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2832,6 +2832,8 @@ F: include/hw/proxy/memory-sync.h F: hw/proxy/memory-sync.c F: include/remote/iohub.h F: remote/iohub.c +F: remote/remote-opts.h +F: remote/remote-opts.c Build and test automation ------------------------- diff --git a/remote/Makefile.objs b/remote/Makefile.objs index cbb3065b69..f8d58d09e6 100644 --- a/remote/Makefile.objs +++ b/remote/Makefile.objs @@ -1,4 +1,5 @@ remote-pci-obj-$(CONFIG_MPQEMU) += remote-main.o +remote-pci-obj-$(CONFIG_MPQEMU) += remote-opts.o remote-pci-obj-$(CONFIG_MPQEMU) += pcihost.o remote-pci-obj-$(CONFIG_MPQEMU) += machine.o remote-pci-obj-$(CONFIG_MPQEMU) += iohub.o diff --git a/remote/remote-main.c b/remote/remote-main.c index d249eba9e8..a0892c05b6 100644 --- a/remote/remote-main.c +++ b/remote/remote-main.c @@ -24,6 +24,7 @@ #include "io/mpqemu-link.h" #include "qapi/error.h" #include "qemu/main-loop.h" +#include "qemu/cutils.h" #include "sysemu/cpus.h" #include "qemu-common.h" #include "hw/pci/pci.h" @@ -36,6 +37,7 @@ #include "exec/memattrs.h" #include "exec/address-spaces.h" #include "remote/iohub.h" +#include "remote-opts.h" static void process_msg(GIOCondition cond, MPQemuLinkState *link, MPQemuChannel *chan); @@ -262,6 +264,7 @@ finalize_loop: int main(int argc, char *argv[]) { Error *err = NULL; + int fd = -1; module_call_init(MODULE_INIT_QOM); @@ -280,13 +283,28 @@ int main(int argc, char *argv[]) current_machine = MACHINE(REMOTE_MACHINE(object_new(TYPE_REMOTE_MACHINE))); + qemu_add_opts(&qemu_device_opts); + qemu_add_opts(&qemu_drive_opts); + qemu_add_drive_opts(&qemu_legacy_drive_opts); + qemu_add_drive_opts(&qemu_common_drive_opts); + qemu_add_drive_opts(&qemu_drive_opts); + qemu_add_drive_opts(&bdrv_runtime_opts); + mpqemu_link = mpqemu_link_create(); if (!mpqemu_link) { printf("Could not create MPQemu link\n"); return -1; } - mpqemu_init_channel(mpqemu_link, &mpqemu_link->com, STDIN_FILENO); + fd = qemu_parse_fd(argv[1]); + if (fd == -1) { + printf("Failed to parse fd for remote process.\n"); + return -EINVAL; + } + + parse_cmdline(argc - 2, argv + 2, NULL); + + mpqemu_init_channel(mpqemu_link, &mpqemu_link->com, fd); mpqemu_link_set_callback(mpqemu_link, process_msg); diff --git a/remote/remote-opts.c b/remote/remote-opts.c new file mode 100644 index 0000000000..cb7837bf13 --- /dev/null +++ b/remote/remote-opts.c @@ -0,0 +1,75 @@ +/* + * Copyright © 2018, 2020 Oracle and/or its affiliates. + * + * 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 "qemu-common.h" + +#include "hw/boards.h" +#include "sysemu/blockdev.h" +#include "qapi/error.h" +#include "qemu-options.h" +#include "qemu-parse.h" +#include "remote-opts.h" + +/* + * In remote process, we parse only subset of options. The code + * taken from vl.c to re-use in remote command line parser. + */ +void parse_cmdline(int argc, char **argv, char **envp) +{ + int optind; + const char *optarg; + MachineClass *mc; + + /* from vl.c */ + optind = 0; + + /* second pass of option parsing */ + + for (;;) { + if (optind >= argc) { + break; + } + if (argv[optind][0] != '-') { + loc_set_cmdline(argv, optind, 1); + drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS); + } else { + const QEMUOption *popt; + + popt = lookup_opt(argc, argv, &optarg, &optind); + #ifndef REMOTE_PROCESS + if (!(popt->arch_mask & arch_type)) { + error_report("Option not supported for this target," + " %x arch_mask, %x arch_type", + popt->arch_mask, arch_type); + exit(1); + } + #endif + switch (popt->index) { + case QEMU_OPTION_drive: + if (drive_def(optarg) == NULL) { + fprintf(stderr, "Could not init drive\n"); + exit(1); + } + break; + default: + break; + } + } + } + mc = MACHINE_GET_CLASS(current_machine); + + mc->block_default_type = IF_IDE; + if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, + &mc->block_default_type, &error_fatal)) { + /* We printed help */ + exit(0); + } + + return; +} diff --git a/remote/remote-opts.h b/remote/remote-opts.h new file mode 100644 index 0000000000..263d428060 --- /dev/null +++ b/remote/remote-opts.h @@ -0,0 +1,15 @@ +/* + * Copyright © 2018, 2020 Oracle and/or its affiliates. + * + * 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 REMOTE_OPTS_H +#define REMOTE_OPTS_H + +void parse_cmdline(int argc, char **argv, char **envp); + +#endif +