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Thu, 24 Oct 2019 09:10:56 +0000 Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id x9O9At7r002316; Thu, 24 Oct 2019 09:10:55 GMT Received: from jaraman-bur-1.us.oracle.com (/10.152.33.39) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 24 Oct 2019 02:10:54 -0700 From: Jagannathan Raman To: qemu-devel@nongnu.org Subject: [RFC v4 PATCH 26/49] multi-process: refractor vl.c code to re-use in remote Date: Thu, 24 Oct 2019 05:09:07 -0400 Message-Id: X-Mailer: git-send-email 1.8.3.1 In-Reply-To: References: In-Reply-To: References: X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9419 signatures=668684 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=1 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1910240089 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9419 signatures=668684 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=1 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=8.0.1-1908290000 definitions=main-1910240089 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 156.151.31.86 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, 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, thuth@redhat.com, ehabkost@redhat.com, konrad.wilk@oracle.com, dgilbert@redhat.com, liran.alon@oracle.com, stefanha@redhat.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+qemu-devel=archiver.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 --- New patch in v3 Makefile.objs | 2 + remote/Makefile.objs | 1 + vl-parse.c | 158 +++++++++++++++++++++++++++++++++++++++++++++++++++ vl.c | 152 +------------------------------------------------ vl.h | 54 ++++++++++++++++++ 5 files changed, 216 insertions(+), 151 deletions(-) create mode 100644 vl-parse.c create mode 100644 vl.h diff --git a/Makefile.objs b/Makefile.objs index c2ac261..c23ccaa 100644 --- a/Makefile.objs +++ b/Makefile.objs @@ -104,6 +104,8 @@ qemu-seccomp.o-libs := $(SECCOMP_LIBS) common-obj-$(CONFIG_FDT) += device_tree.o +common-obj-y += vl-parse.o + ###################################################################### # qapi diff --git a/remote/Makefile.objs b/remote/Makefile.objs index cbb3065..c1349ad 100644 --- a/remote/Makefile.objs +++ b/remote/Makefile.objs @@ -2,3 +2,4 @@ remote-pci-obj-$(CONFIG_MPQEMU) += remote-main.o remote-pci-obj-$(CONFIG_MPQEMU) += pcihost.o remote-pci-obj-$(CONFIG_MPQEMU) += machine.o remote-pci-obj-$(CONFIG_MPQEMU) += iohub.o +remote-pci-obj-$(CONFIG_MPQEMU) +=../vl-parse.o diff --git a/vl-parse.c b/vl-parse.c new file mode 100644 index 0000000..4e2bd7c --- /dev/null +++ b/vl-parse.c @@ -0,0 +1,158 @@ +/* + * Copyright (c) 2003-2008 Fabrice Bellard + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * 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 "qemu/osdep.h" +#include "qemu/units.h" +#include "qapi/error.h" +#include "qemu/cutils.h" +#include "qemu/error-report.h" +#include "monitor/qdev.h" +#include "monitor/qdev.h" +#include "sysemu/sysemu.h" +#include "sysemu/runstate.h" +#include "qemu/option.h" +#include "qemu-options.h" +#include "sysemu/blockdev.h" + +#include "chardev/char.h" +#include "monitor/monitor.h" +#include "qemu/config-file.h" + +#include "sysemu/arch_init.h" + +#include "vl.h" + +/***********************************************************/ +/* QEMU Block devices */ + +static const QEMUOption qemu_options[] = { + { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL }, +#define QEMU_OPTIONS_GENERATE_OPTIONS +#include "qemu-options-wrapper.h" + { NULL }, +}; + +const QEMUOption *lookup_opt(int argc, char **argv, + const char **poptarg, int *poptind) +{ + const QEMUOption *popt; + int optind = *poptind; + char *r = argv[optind]; + const char *optarg; + + loc_set_cmdline(argv, optind, 1); + optind++; + /* Treat --foo the same as -foo. */ + if (r[1] == '-') { + r++; + } + popt = qemu_options; + if (!popt) { + error_report("No valide qemu_options"); + } + for (;;) { + if (!popt->name) { + error_report("invalid option*"); + exit(1); + popt++; + continue; + } + if (!strcmp(popt->name, r + 1)) { + break; + } + popt++; + } + if (popt->flags & HAS_ARG) { + if (optind >= argc) { + error_report("optind %d, argc %d", optind, argc); + error_report("requires an argument"); + exit(1); + } + optarg = argv[optind++]; + loc_set_cmdline(argv, optind - 2, 2); + } else { + optarg = NULL; + } + + *poptarg = optarg; + *poptind = optind; + + return popt; +} + +int drive_init_func(void *opaque, QemuOpts *opts, Error **errp) +{ + BlockInterfaceType *block_default_type = opaque; + + if (!drive_new(opts, *block_default_type, errp)) { + error_report_err(*errp); + } + + return 0; +} + +#if defined(CONFIG_MPQEMU) +int rdrive_init_func(void *opaque, QemuOpts *opts, Error **errp) +{ + DeviceState *dev; + + dev = qdev_remote_add(opts, false /* this is drive */, errp); + if (!dev) { + error_setg(errp, "qdev_remote_add failed for drive."); + return -1; + } + object_unref(OBJECT(dev)); + return 0; +} +#endif + +#if defined(CONFIG_MPQEMU) +int rdevice_init_func(void *opaque, QemuOpts *opts, Error **errp) +{ + DeviceState *dev; + + dev = qdev_remote_add(opts, true /* this is device */, errp); + if (!dev) { + error_setg(errp, "qdev_remote_add failed for device."); + return -1; + } + return 0; +} +#endif + +int device_init_func(void *opaque, QemuOpts *opts, Error **errp) +{ + DeviceState *dev; + const char *remote = NULL; + + remote = qemu_opt_get(opts, "rid"); + if (remote) { + return 0; + } + + dev = qdev_device_add(opts, errp); + if (!dev) { + return -1; + } + object_unref(OBJECT(dev)); + return 0; +} diff --git a/vl.c b/vl.c index b19c57b..3fef694 100644 --- a/vl.c +++ b/vl.c @@ -40,6 +40,7 @@ #include "qapi/qmp/qstring.h" #include "qapi/qmp/qjson.h" #include "qapi/qmp/qlist.h" +#include "vl.h" #ifdef CONFIG_SDL #if defined(__APPLE__) || defined(main) @@ -1134,54 +1135,6 @@ static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp) /***********************************************************/ /* QEMU Block devices */ -#define HD_OPTS "media=disk" -#define CDROM_OPTS "media=cdrom" -#define FD_OPTS "" -#define PFLASH_OPTS "" -#define MTD_OPTS "" -#define SD_OPTS "" - -#if defined(CONFIG_MPQEMU) -static int rdrive_init_func(void *opaque, QemuOpts *opts, Error **errp) -{ - DeviceState *dev; - - dev = qdev_remote_add(opts, false /* this is drive */, errp); - if (!dev) { - error_setg(errp, "qdev_remote_add failed for drive."); - return -1; - } - object_unref(OBJECT(dev)); - return 0; -} -#endif - -#if defined(CONFIG_MPQEMU) -static int pass; -#endif - -static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp) -{ - BlockInterfaceType *block_default_type = opaque; - -#if defined(CONFIG_MPQEMU) - const char *remote; - - remote = qemu_opt_get(opts, "remote"); - if (pass && remote) { - return rdrive_init_func(opaque, opts, errp); - } else { - if (!remote && !pass) { - drive_new(opts, *block_default_type, errp); - } - } - - return 0; -#else - return drive_new(opts, *block_default_type, errp) == NULL; -#endif -} - static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp) { if (qemu_opt_get(opts, "snapshot") == NULL) { @@ -1877,21 +1830,6 @@ static void help(int exitcode) exit(exitcode); } -#define HAS_ARG 0x0001 - -typedef struct QEMUOption { - const char *name; - int flags; - int index; - uint32_t arch_mask; -} QEMUOption; - -static const QEMUOption qemu_options[] = { - { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL }, -#define QEMU_OPTIONS_GENERATE_OPTIONS -#include "qemu-options-wrapper.h" - { NULL }, -}; typedef struct VGAInterfaceInfo { const char *opt_name; /* option name */ @@ -2238,43 +2176,6 @@ static int device_help_func(void *opaque, QemuOpts *opts, Error **errp) return qdev_device_help(opts); } -#if defined(CONFIG_MPQEMU) -static int rdevice_init_func(void *opaque, QemuOpts *opts, Error **errp) -{ - DeviceState *dev; - - dev = qdev_remote_add(opts, true /* this is device */, errp); - if (!dev) { - error_setg(errp, "qdev_remote_add failed for device."); - return -1; - } - object_unref(OBJECT(dev)); - return 0; -} -#endif - -static int device_init_func(void *opaque, QemuOpts *opts, Error **errp) -{ - DeviceState *dev; - -#if defined(CONFIG_MPQEMU) - const char *remote; - - remote = qemu_opt_get(opts, "remote"); - if (remote) { - /* This will be a remote process */ - return rdevice_init_func(opaque, opts, errp); - } -#endif - - dev = qdev_device_add(opts, errp); - if (!dev) { - return -1; - } - object_unref(OBJECT(dev)); - return 0; -} - static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp) { Error *local_err = NULL; @@ -2604,46 +2505,6 @@ static void qemu_run_machine_init_done_notifiers(void) notifier_list_notify(&machine_init_done_notifiers, NULL); } -static const QEMUOption *lookup_opt(int argc, char **argv, - const char **poptarg, int *poptind) -{ - const QEMUOption *popt; - int optind = *poptind; - char *r = argv[optind]; - const char *optarg; - - loc_set_cmdline(argv, optind, 1); - optind++; - /* Treat --foo the same as -foo. */ - if (r[1] == '-') - r++; - popt = qemu_options; - for(;;) { - if (!popt->name) { - error_report("invalid option"); - exit(1); - } - if (!strcmp(popt->name, r + 1)) - break; - popt++; - } - if (popt->flags & HAS_ARG) { - if (optind >= argc) { - error_report("requires an argument"); - exit(1); - } - optarg = argv[optind++]; - loc_set_cmdline(argv, optind - 2, 2); - } else { - optarg = NULL; - } - - *poptarg = optarg; - *poptind = optind; - - return popt; -} - static MachineClass *select_machine(void) { GSList *machines = object_class_get_list(TYPE_MACHINE, false); @@ -4412,17 +4273,6 @@ int main(int argc, char **argv, char **envp) /* Check if IGD GFX passthrough. */ igd_gfx_passthru(); -#if defined(CONFIG_MPQEMU) - /* - * Parse the list for remote drives here as we launch PCIProxyDev here and - * need PCI host initialized. As a TODO: could defer init of PCIProxyDev instead. - */ - if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, - &machine_class->block_default_type, &error_fatal)) { - exit(0); - } -#endif - /* init generic devices */ rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE); qemu_opts_foreach(qemu_find_opts("device"), diff --git a/vl.h b/vl.h new file mode 100644 index 0000000..8c40fed --- /dev/null +++ b/vl.h @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2003-2008 Fabrice Bellard + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * 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 VL_H +#define VL_H + +/***********************************************************/ +/* QEMU Block devices */ + +#define HD_OPTS "media=disk" +#define CDROM_OPTS "media=cdrom" +#define FD_OPTS "" +#define PFLASH_OPTS "" +#define MTD_OPTS "" +#define SD_OPTS "" + + +#define HAS_ARG 0x0001 +typedef struct QEMUOption { + const char *name; + int flags; + int index; + uint32_t arch_mask; +} QEMUOption; + +const QEMUOption *lookup_opt(int argc, char **argv, + const char **poptarg, int *poptind); + +int drive_init_func(void *opaque, QemuOpts *opts, Error **errp); +int device_init_func(void *opaque, QemuOpts *opts, Error **errp); +int rdrive_init_func(void *opaque, QemuOpts *opts, Error **errp); +int rdevice_init_func(void *opaque, QemuOpts *opts, Error **errp); + +#endif /* VL_H */ + -- 1.8.3.1