diff options
Diffstat (limited to 'vl.c')
-rw-r--r-- | vl.c | 187 |
1 files changed, 41 insertions, 146 deletions
@@ -756,7 +756,7 @@ void add_boot_device_path(int32_t bootindex, DeviceState *dev, /* * This function returns null terminated string that consist of new line - * separated device pathes. + * separated device paths. * * memory pointed by "size" is assigned total length of the array in bytes * @@ -1023,68 +1023,6 @@ void pcmcia_info(Monitor *mon) } /***********************************************************/ -/* I/O handling */ - -typedef struct IOHandlerRecord { - int fd; - IOCanReadHandler *fd_read_poll; - IOHandler *fd_read; - IOHandler *fd_write; - int deleted; - void *opaque; - /* temporary data */ - struct pollfd *ufd; - QLIST_ENTRY(IOHandlerRecord) next; -} IOHandlerRecord; - -static QLIST_HEAD(, IOHandlerRecord) io_handlers = - QLIST_HEAD_INITIALIZER(io_handlers); - - -/* XXX: fd_read_poll should be suppressed, but an API change is - necessary in the character devices to suppress fd_can_read(). */ -int qemu_set_fd_handler2(int fd, - IOCanReadHandler *fd_read_poll, - IOHandler *fd_read, - IOHandler *fd_write, - void *opaque) -{ - IOHandlerRecord *ioh; - - if (!fd_read && !fd_write) { - QLIST_FOREACH(ioh, &io_handlers, next) { - if (ioh->fd == fd) { - ioh->deleted = 1; - break; - } - } - } else { - QLIST_FOREACH(ioh, &io_handlers, next) { - if (ioh->fd == fd) - goto found; - } - ioh = qemu_mallocz(sizeof(IOHandlerRecord)); - QLIST_INSERT_HEAD(&io_handlers, ioh, next); - found: - ioh->fd = fd; - ioh->fd_read_poll = fd_read_poll; - ioh->fd_read = fd_read; - ioh->fd_write = fd_write; - ioh->opaque = opaque; - ioh->deleted = 0; - } - return 0; -} - -int qemu_set_fd_handler(int fd, - IOHandler *fd_read, - IOHandler *fd_write, - void *opaque) -{ - return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); -} - -/***********************************************************/ /* machine registration */ static QEMUMachine *first_machine = NULL; @@ -1231,8 +1169,15 @@ int qemu_shutdown_requested(void) void qemu_kill_report(void) { if (shutdown_signal != -1) { - fprintf(stderr, "Got signal %d from pid %d\n", - shutdown_signal, shutdown_pid); + fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal); + if (shutdown_pid == 0) { + /* This happens for eg ^C at the terminal, so it's worth + * avoiding printing an odd message in that case. + */ + fputc('\n', stderr); + } else { + fprintf(stderr, " from pid %d\n", shutdown_pid); + } shutdown_signal = -1; } } @@ -1343,7 +1288,6 @@ void qemu_system_vmstop_request(int reason) void main_loop_wait(int nonblocking) { - IOHandlerRecord *ioh; fd_set rfds, wfds, xfds; int ret, nfds; struct timeval tv; @@ -1358,56 +1302,23 @@ void main_loop_wait(int nonblocking) os_host_main_loop_wait(&timeout); + tv.tv_sec = timeout / 1000; + tv.tv_usec = (timeout % 1000) * 1000; + /* poll any events */ /* XXX: separate device handlers from system ones */ nfds = -1; FD_ZERO(&rfds); FD_ZERO(&wfds); FD_ZERO(&xfds); - QLIST_FOREACH(ioh, &io_handlers, next) { - if (ioh->deleted) - continue; - if (ioh->fd_read && - (!ioh->fd_read_poll || - ioh->fd_read_poll(ioh->opaque) != 0)) { - FD_SET(ioh->fd, &rfds); - if (ioh->fd > nfds) - nfds = ioh->fd; - } - if (ioh->fd_write) { - FD_SET(ioh->fd, &wfds); - if (ioh->fd > nfds) - nfds = ioh->fd; - } - } - - tv.tv_sec = timeout / 1000; - tv.tv_usec = (timeout % 1000) * 1000; - + qemu_iohandler_fill(&nfds, &rfds, &wfds, &xfds); slirp_select_fill(&nfds, &rfds, &wfds, &xfds); qemu_mutex_unlock_iothread(); ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); qemu_mutex_lock_iothread(); - if (ret > 0) { - IOHandlerRecord *pioh; - - QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) { - if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) { - ioh->fd_read(ioh->opaque); - } - if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) { - ioh->fd_write(ioh->opaque); - } - - /* Do this last in case read/write handlers marked it for deletion */ - if (ioh->deleted) { - QLIST_REMOVE(ioh, next); - qemu_free(ioh); - } - } - } + qemu_iohandler_poll(&rfds, &wfds, &xfds, ret); slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0)); qemu_run_all_timers(); @@ -1687,7 +1598,7 @@ static int balloon_parse(const char *arg) /* create empty opts */ opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0); } - qemu_opt_set(opts, "driver", "virtio-balloon-pci"); + qemu_opt_set(opts, "driver", "virtio-balloon"); return 0; } @@ -2191,7 +2102,9 @@ int main(int argc, char **argv, char **envp) HD_OPTS); break; case QEMU_OPTION_drive: - drive_def(optarg); + if (drive_def(optarg) == NULL) { + exit(1); + } break; case QEMU_OPTION_set: if (qemu_set_option(optarg) != 0) @@ -2534,9 +2447,8 @@ int main(int argc, char **argv, char **envp) } break; case QEMU_OPTION_virtfs: { - char *arg_fsdev = NULL; - char *arg_9p = NULL; - int len = 0; + QemuOpts *fsdev; + QemuOpts *device; olist = qemu_find_opts("virtfs"); if (!olist) { @@ -2555,45 +2467,28 @@ int main(int argc, char **argv, char **envp) qemu_opt_get(opts, "security_model") == NULL) { fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/," "security_model=[mapped|passthrough|none]," - "mnt_tag=tag.\n"); + "mount_tag=tag.\n"); exit(1); } - len = strlen(",id=,path=,security_model="); - len += strlen(qemu_opt_get(opts, "fstype")); - len += strlen(qemu_opt_get(opts, "mount_tag")); - len += strlen(qemu_opt_get(opts, "path")); - len += strlen(qemu_opt_get(opts, "security_model")); - arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev)); - - snprintf(arg_fsdev, (len + 1) * sizeof(*arg_fsdev), - "%s,id=%s,path=%s,security_model=%s", - qemu_opt_get(opts, "fstype"), - qemu_opt_get(opts, "mount_tag"), - qemu_opt_get(opts, "path"), - qemu_opt_get(opts, "security_model")); - - len = strlen("virtio-9p-pci,fsdev=,mount_tag="); - len += 2*strlen(qemu_opt_get(opts, "mount_tag")); - arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p)); - - snprintf(arg_9p, (len + 1) * sizeof(*arg_9p), - "virtio-9p-pci,fsdev=%s,mount_tag=%s", - qemu_opt_get(opts, "mount_tag"), - qemu_opt_get(opts, "mount_tag")); - - if (!qemu_opts_parse(qemu_find_opts("fsdev"), arg_fsdev, 1)) { - fprintf(stderr, "parse error [fsdev]: %s\n", optarg); + fsdev = qemu_opts_create(qemu_find_opts("fsdev"), + qemu_opt_get(opts, "mount_tag"), 1); + if (!fsdev) { + fprintf(stderr, "duplicate fsdev id: %s\n", + qemu_opt_get(opts, "mount_tag")); exit(1); } - - if (!qemu_opts_parse(qemu_find_opts("device"), arg_9p, 1)) { - fprintf(stderr, "parse error [device]: %s\n", optarg); - exit(1); - } - - qemu_free(arg_fsdev); - qemu_free(arg_9p); + qemu_opt_set(fsdev, "fstype", qemu_opt_get(opts, "fstype")); + qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path")); + qemu_opt_set(fsdev, "security_model", + qemu_opt_get(opts, "security_model")); + + device = qemu_opts_create(qemu_find_opts("device"), NULL, 0); + qemu_opt_set(device, "driver", "virtio-9p-pci"); + qemu_opt_set(device, "fsdev", + qemu_opt_get(opts, "mount_tag")); + qemu_opt_set(device, "mount_tag", + qemu_opt_get(opts, "mount_tag")); break; } case QEMU_OPTION_serial: @@ -3148,9 +3043,6 @@ int main(int argc, char **argv, char **envp) cpu_synchronize_all_post_init(); - /* must be after terminal init, SDL library changes signal handlers */ - os_setup_signal_handling(); - set_numa_modes(); current_machine = machine; @@ -3206,6 +3098,9 @@ int main(int argc, char **argv, char **envp) break; } + /* must be after terminal init, SDL library changes signal handlers */ + os_setup_signal_handling(); + #ifdef CONFIG_VNC /* init remote displays */ if (vnc_display) { |