diff options
Diffstat (limited to 'vl.c')
| -rw-r--r-- | vl.c | 145 |
1 files changed, 112 insertions, 33 deletions
diff --git a/vl.c b/vl.c index 66ccd06be8..9542095d95 100644 --- a/vl.c +++ b/vl.c @@ -492,6 +492,25 @@ static QemuOptsList qemu_semihosting_config_opts = { }, }; +static QemuOptsList qemu_fw_cfg_opts = { + .name = "fw_cfg", + .implied_opt_name = "name", + .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head), + .desc = { + { + .name = "name", + .type = QEMU_OPT_STRING, + .help = "Sets the fw_cfg name of the blob to be inserted", + }, { + .name = "file", + .type = QEMU_OPT_STRING, + .help = "Sets the name of the file from which\n" + "the fw_cfg blob will be loaded", + }, + { /* end of list */ } + }, +}; + /** * Get machine options * @@ -515,7 +534,7 @@ static void res_free(void) } } -static int default_driver_check(QemuOpts *opts, void *opaque) +static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp) { const char *driver = qemu_opt_get(opts, "driver"); int i; @@ -961,7 +980,7 @@ static int bt_parse(const char *opt) return 1; } -static int parse_sandbox(QemuOpts *opts, void *opaque) +static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp) { /* FIXME: change this to true for 1.3 */ if (qemu_opt_get_bool(opts, "enable", false)) { @@ -981,7 +1000,7 @@ static int parse_sandbox(QemuOpts *opts, void *opaque) return 0; } -static int parse_name(QemuOpts *opts, void *opaque) +static int parse_name(void *opaque, QemuOpts *opts, Error **errp) { const char *proc_name; @@ -1009,7 +1028,7 @@ bool usb_enabled(void) } #ifndef _WIN32 -static int parse_add_fd(QemuOpts *opts, void *opaque) +static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp) { int fd, dupfd, flags; int64_t fdset_id; @@ -1071,7 +1090,7 @@ static int parse_add_fd(QemuOpts *opts, void *opaque) return 0; } -static int cleanup_add_fd(QemuOpts *opts, void *opaque) +static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp) { int fd; @@ -1092,14 +1111,14 @@ static int cleanup_add_fd(QemuOpts *opts, void *opaque) #define MTD_OPTS "" #define SD_OPTS "" -static int drive_init_func(QemuOpts *opts, void *opaque) +static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp) { BlockInterfaceType *block_default_type = opaque; return drive_new(opts, *block_default_type) == NULL; } -static int drive_enable_snapshot(QemuOpts *opts, void *opaque) +static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp) { if (qemu_opt_get(opts, "snapshot") == NULL) { qemu_opt_set(opts, "snapshot", "on", &error_abort); @@ -1119,7 +1138,7 @@ static void default_drive(int enable, int snapshot, BlockInterfaceType type, opts = drive_add(type, index, NULL, optstr); if (snapshot) { - drive_enable_snapshot(opts, NULL); + drive_enable_snapshot(NULL, opts, NULL); } dinfo = drive_new(opts, type); @@ -2127,12 +2146,44 @@ char *qemu_find_file(int type, const char *name) return NULL; } -static int device_help_func(QemuOpts *opts, void *opaque) +static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp) +{ + gchar *buf; + size_t size; + const char *name, *file; + + if (opaque == NULL) { + error_report("fw_cfg device not available"); + return -1; + } + name = qemu_opt_get(opts, "name"); + file = qemu_opt_get(opts, "file"); + if (name == NULL || *name == '\0' || file == NULL || *file == '\0') { + error_report("invalid argument value"); + return -1; + } + if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) { + error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1); + return -1; + } + if (strncmp(name, "opt/", 4) != 0) { + error_report("WARNING: externally provided fw_cfg item names " + "should be prefixed with \"opt/\"!"); + } + if (!g_file_get_contents(file, &buf, &size, NULL)) { + error_report("can't load %s", file); + return -1; + } + fw_cfg_add_file((FWCfgState *)opaque, name, buf, size); + return 0; +} + +static int device_help_func(void *opaque, QemuOpts *opts, Error **errp) { return qdev_device_help(opts); } -static int device_init_func(QemuOpts *opts, void *opaque) +static int device_init_func(void *opaque, QemuOpts *opts, Error **errp) { DeviceState *dev; @@ -2143,7 +2194,7 @@ static int device_init_func(QemuOpts *opts, void *opaque) return 0; } -static int chardev_init_func(QemuOpts *opts, void *opaque) +static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp) { Error *local_err = NULL; @@ -2156,7 +2207,7 @@ static int chardev_init_func(QemuOpts *opts, void *opaque) } #ifdef CONFIG_VIRTFS -static int fsdev_init_func(QemuOpts *opts, void *opaque) +static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp) { int ret; ret = qemu_fsdev_add(opts); @@ -2165,7 +2216,7 @@ static int fsdev_init_func(QemuOpts *opts, void *opaque) } #endif -static int mon_init_func(QemuOpts *opts, void *opaque) +static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp) { CharDriverState *chr; const char *chardev; @@ -2576,8 +2627,9 @@ static void free_and_trace(gpointer mem) free(mem); } -static int machine_set_property(const char *name, const char *value, - void *opaque) +static int machine_set_property(void *opaque, + const char *name, const char *value, + Error **errp) { Object *obj = OBJECT(opaque); Error *local_err = NULL; @@ -2606,7 +2658,7 @@ static int machine_set_property(const char *name, const char *value, return 0; } -static int object_create(QemuOpts *opts, void *opaque) +static int object_create(void *opaque, QemuOpts *opts, Error **errp) { Error *err = NULL; char *type = NULL; @@ -2821,6 +2873,7 @@ int main(int argc, char **argv, char **envp) qemu_add_opts(&qemu_numa_opts); qemu_add_opts(&qemu_icount_opts); qemu_add_opts(&qemu_semihosting_config_opts); + qemu_add_opts(&qemu_fw_cfg_opts); runstate_init(); @@ -3437,6 +3490,12 @@ int main(int argc, char **argv, char **envp) } do_smbios_option(opts); break; + case QEMU_OPTION_fwcfg: + opts = qemu_opts_parse(qemu_find_opts("fw_cfg"), optarg, 1); + if (opts == NULL) { + exit(1); + } + break; case QEMU_OPTION_enable_kvm: olist = qemu_find_opts("machine"); qemu_opts_parse(olist, "accel=kvm", 0); @@ -3797,20 +3856,24 @@ int main(int argc, char **argv, char **envp) exit(1); } - if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) { + if (qemu_opts_foreach(qemu_find_opts("sandbox"), + parse_sandbox, NULL, NULL)) { exit(1); } - if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) { + if (qemu_opts_foreach(qemu_find_opts("name"), + parse_name, NULL, NULL)) { exit(1); } #ifndef _WIN32 - if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) { + if (qemu_opts_foreach(qemu_find_opts("add-fd"), + parse_add_fd, NULL, NULL)) { exit(1); } - if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) { + if (qemu_opts_foreach(qemu_find_opts("add-fd"), + cleanup_add_fd, NULL, NULL)) { exit(1); } #endif @@ -3897,8 +3960,10 @@ int main(int argc, char **argv, char **envp) machine_class->default_machine_opts, 0); } - qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0); - qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0); + qemu_opts_foreach(qemu_find_opts("device"), + default_driver_check, NULL, NULL); + qemu_opts_foreach(qemu_find_opts("global"), + default_driver_check, NULL, NULL); if (!vga_model && !default_vga) { vga_interface_type = VGA_DEVICE; @@ -4036,10 +4101,14 @@ int main(int argc, char **argv, char **envp) socket_init(); - if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0) + if (qemu_opts_foreach(qemu_find_opts("chardev"), + chardev_init_func, NULL, NULL)) { exit(1); + } + #ifdef CONFIG_VIRTFS - if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) { + if (qemu_opts_foreach(qemu_find_opts("fsdev"), + fsdev_init_func, NULL, NULL)) { exit(1); } #endif @@ -4049,19 +4118,19 @@ int main(int argc, char **argv, char **envp) exit(1); } - if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) - != 0) { + if (qemu_opts_foreach(qemu_find_opts("device"), + device_help_func, NULL, NULL)) { exit(0); } if (qemu_opts_foreach(qemu_find_opts("object"), - object_create, NULL, 0) != 0) { + object_create, NULL, NULL)) { exit(1); } machine_opts = qemu_get_machine_opts(); if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine, - 1) < 0) { + NULL)) { object_unref(OBJECT(current_machine)); exit(1); } @@ -4189,9 +4258,10 @@ int main(int argc, char **argv, char **envp) /* open the virtual block devices */ if (snapshot) - qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0); + qemu_opts_foreach(qemu_find_opts("drive"), + drive_enable_snapshot, NULL, NULL); if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, - &machine_class->block_default_type, 1) != 0) { + &machine_class->block_default_type, NULL)) { exit(1); } @@ -4202,7 +4272,8 @@ int main(int argc, char **argv, char **envp) parse_numa_opts(machine_class); - if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) { + if (qemu_opts_foreach(qemu_find_opts("mon"), + mon_init_func, NULL, NULL)) { exit(1); } @@ -4261,6 +4332,11 @@ int main(int argc, char **argv, char **envp) numa_post_machine_init(); + if (qemu_opts_foreach(qemu_find_opts("fw_cfg"), + parse_fw_cfg, fw_cfg_find(), NULL) != 0) { + exit(1); + } + /* init USB devices */ if (usb_enabled()) { if (foreach_device_config(DEV_USB, usb_parse) < 0) @@ -4268,8 +4344,10 @@ int main(int argc, char **argv, char **envp) } /* init generic devices */ - if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0) + if (qemu_opts_foreach(qemu_find_opts("device"), + device_init_func, NULL, NULL)) { exit(1); + } /* Did we create any drives that we failed to create a device for? */ drive_check_orphaned(); @@ -4321,7 +4399,8 @@ int main(int argc, char **argv, char **envp) #ifdef CONFIG_VNC /* init remote displays */ - qemu_opts_foreach(qemu_find_opts("vnc"), vnc_init_func, NULL, 0); + qemu_opts_foreach(qemu_find_opts("vnc"), + vnc_init_func, NULL, NULL); if (show_vnc_port) { char *ret = vnc_display_local_addr("default"); printf("VNC server running on `%s'\n", ret); 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