diff options
78 files changed, 2024 insertions, 1932 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index cb8f3ea..684142e 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1881,6 +1881,7 @@ virtio-9p M: Greg Kurz <groug@kaod.org> M: Christian Schoenebeck <qemu_oss@crudebyte.com> S: Odd Fixes +W: https://wiki.qemu.org/Documentation/9p F: hw/9pfs/ X: hw/9pfs/xen-9p* F: fsdev/ @@ -14,7 +14,7 @@ SRC_PATH=. # we have explicit rules for everything MAKEFLAGS += -rR -SHELL = /usr/bin/env bash -o pipefail +SHELL = bash -o pipefail # Usage: $(call quiet-command,command and args,"NAME","args to print") # This will run "command and args", and either: @@ -315,7 +315,7 @@ xen="$default_feature" xen_ctrl_version="$default_feature" xen_pci_passthrough="auto" linux_aio="$default_feature" -linux_io_uring="$default_feature" +linux_io_uring="auto" cap_ng="auto" attr="auto" xfs="$default_feature" @@ -408,8 +408,8 @@ gnutls="auto" nettle="auto" gcrypt="auto" auth_pam="auto" -vte="$default_feature" -virglrenderer="$default_feature" +vte="auto" +virglrenderer="auto" tpm="$default_feature" libssh="$default_feature" live_block_migration=${default_feature:-yes} @@ -425,15 +425,15 @@ vdi=${default_feature:-yes} vvfat=${default_feature:-yes} qed=${default_feature:-yes} parallels=${default_feature:-yes} -libxml2="$default_feature" +libxml2="auto" debug_mutex="no" -libpmem="$default_feature" +libpmem="auto" default_devices="true" plugins="no" fuzzing="no" rng_none="no" secret_keyring="$default_feature" -libdaxctl="$default_feature" +libdaxctl="auto" meson="" ninja="" skip_meson=no @@ -521,9 +521,6 @@ query_pkg_config() { pkg_config=query_pkg_config sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}" -# If the user hasn't specified ARFLAGS, default to 'rv', just as make does. -ARFLAGS="${ARFLAGS-rv}" - # default flags for all hosts # We use -fwrapv to tell the compiler that we require a C dialect where # left shift of signed integers is well defined and has the expected @@ -1205,9 +1202,9 @@ for opt do ;; --enable-linux-aio) linux_aio="yes" ;; - --disable-linux-io-uring) linux_io_uring="no" + --disable-linux-io-uring) linux_io_uring="disabled" ;; - --enable-linux-io-uring) linux_io_uring="yes" + --enable-linux-io-uring) linux_io_uring="enabled" ;; --disable-attr) attr="disabled" ;; @@ -1395,13 +1392,13 @@ for opt do ;; --disable-pvrdma) pvrdma="no" ;; - --disable-vte) vte="no" + --disable-vte) vte="disabled" ;; - --enable-vte) vte="yes" + --enable-vte) vte="enabled" ;; - --disable-virglrenderer) virglrenderer="no" + --disable-virglrenderer) virglrenderer="disabled" ;; - --enable-virglrenderer) virglrenderer="yes" + --enable-virglrenderer) virglrenderer="enabled" ;; --disable-tpm) tpm="no" ;; @@ -1419,9 +1416,9 @@ for opt do ;; --enable-numa) numa="yes" ;; - --disable-libxml2) libxml2="no" + --disable-libxml2) libxml2="disabled" ;; - --enable-libxml2) libxml2="yes" + --enable-libxml2) libxml2="enabled" ;; --disable-tcmalloc) tcmalloc="no" ;; @@ -1504,9 +1501,9 @@ for opt do ;; --disable-debug-mutex) debug_mutex=no ;; - --enable-libpmem) libpmem=yes + --enable-libpmem) libpmem=disabled ;; - --disable-libpmem) libpmem=no + --disable-libpmem) libpmem=enabled ;; --enable-xkbcommon) xkbcommon="enabled" ;; @@ -1534,9 +1531,9 @@ for opt do ;; --disable-keyring) secret_keyring="no" ;; - --enable-libdaxctl) libdaxctl=yes + --enable-libdaxctl) libdaxctl=disabled ;; - --disable-libdaxctl) libdaxctl=no + --disable-libdaxctl) libdaxctl=enabled ;; --enable-fuse) fuse="enabled" ;; @@ -2376,20 +2373,6 @@ if test "$softmmu" = "no"; then fi ########################################## -# Some versions of Mac OS X incorrectly define SIZE_MAX -cat > $TMPC << EOF -#include <stdint.h> -#include <stdio.h> -int main(int argc, char *argv[]) { - return printf("%zu", SIZE_MAX); -} -EOF -have_broken_size_max=no -if ! compile_object -Werror ; then - have_broken_size_max=yes -fi - -########################################## # L2TPV3 probe cat > $TMPC <<EOF @@ -2800,28 +2783,6 @@ EOF fi ########################################## -# VTE probe - -if test "$vte" != "no"; then - vteminversion="0.32.0" - if $pkg_config --exists "vte-2.91"; then - vtepackage="vte-2.91" - else - vtepackage="vte-2.90" - fi - if $pkg_config --exists "$vtepackage >= $vteminversion"; then - vte_cflags=$($pkg_config --cflags $vtepackage) - vte_libs=$($pkg_config --libs $vtepackage) - vteversion=$($pkg_config --modversion $vtepackage) - vte="yes" - elif test "$vte" = "yes"; then - feature_not_found "vte" "Install libvte-2.90/2.91 devel" - else - vte="no" - fi -fi - -########################################## # RDMA needs OpenFabrics libraries if test "$rdma" != "no" ; then cat > $TMPC <<EOF @@ -3356,21 +3317,6 @@ EOF linux_aio=no fi fi -########################################## -# linux-io-uring probe - -if test "$linux_io_uring" != "no" ; then - if $pkg_config liburing; then - linux_io_uring_cflags=$($pkg_config --cflags liburing) - linux_io_uring_libs=$($pkg_config --libs liburing) - linux_io_uring=yes - else - if test "$linux_io_uring" = "yes" ; then - feature_not_found "linux io_uring" "Install liburing devel" - fi - linux_io_uring=no - fi -fi ########################################## # TPM emulation is only on POSIX @@ -3447,107 +3393,6 @@ EOF fi ########################################## -# libxml2 probe -if test "$libxml2" != "no" ; then - if $pkg_config --exists libxml-2.0; then - libxml2="yes" - libxml2_cflags=$($pkg_config --cflags libxml-2.0) - libxml2_libs=$($pkg_config --libs libxml-2.0) - else - if test "$libxml2" = "yes"; then - feature_not_found "libxml2" "Install libxml2 devel" - fi - libxml2="no" - fi -fi - -# Check for inotify functions when we are building linux-user -# emulator. This is done because older glibc versions don't -# have syscall stubs for these implemented. In that case we -# don't provide them even if kernel supports them. -# -inotify=no -cat > $TMPC << EOF -#include <sys/inotify.h> - -int -main(void) -{ - /* try to start inotify */ - return inotify_init(); -} -EOF -if compile_prog "" "" ; then - inotify=yes -fi - -inotify1=no -cat > $TMPC << EOF -#include <sys/inotify.h> - -int -main(void) -{ - /* try to start inotify */ - return inotify_init1(0); -} -EOF -if compile_prog "" "" ; then - inotify1=yes -fi - -# check if pipe2 is there -pipe2=no -cat > $TMPC << EOF -#include <unistd.h> -#include <fcntl.h> - -int main(void) -{ - int pipefd[2]; - return pipe2(pipefd, O_CLOEXEC); -} -EOF -if compile_prog "" "" ; then - pipe2=yes -fi - -# check if accept4 is there -accept4=no -cat > $TMPC << EOF -#include <sys/socket.h> -#include <stddef.h> - -int main(void) -{ - accept4(0, NULL, NULL, SOCK_CLOEXEC); - return 0; -} -EOF -if compile_prog "" "" ; then - accept4=yes -fi - -# check if tee/splice is there. vmsplice was added same time. -splice=no -cat > $TMPC << EOF -#include <unistd.h> -#include <fcntl.h> -#include <limits.h> - -int main(void) -{ - int len, fd = 0; - len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK); - splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE); - return 0; -} -EOF -if compile_prog "" "" ; then - splice=yes -fi - -########################################## # libnuma probe if test "$numa" != "no" ; then @@ -3577,59 +3422,6 @@ elif test "$jemalloc" = "yes" ; then malloc=jemalloc fi -########################################## -# signalfd probe -signalfd="no" -cat > $TMPC << EOF -#include <unistd.h> -#include <sys/syscall.h> -#include <signal.h> -int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); } -EOF - -if compile_prog "" "" ; then - signalfd=yes -fi - -# check if optreset global is declared by <getopt.h> -optreset="no" -cat > $TMPC << EOF -#include <getopt.h> -int main(void) { return optreset; } -EOF - -if compile_prog "" "" ; then - optreset=yes -fi - -# check if eventfd is supported -eventfd=no -cat > $TMPC << EOF -#include <sys/eventfd.h> - -int main(void) -{ - return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); -} -EOF -if compile_prog "" "" ; then - eventfd=yes -fi - -# check if memfd is supported -memfd=no -cat > $TMPC << EOF -#include <sys/mman.h> - -int main(void) -{ - return memfd_create("foo", MFD_ALLOW_SEALING); -} -EOF -if compile_prog "" "" ; then - memfd=yes -fi - # check for usbfs have_usbfs=no if test "$linux_user" = "yes"; then @@ -3654,297 +3446,6 @@ EOF fi fi -# check for fallocate -fallocate=no -cat > $TMPC << EOF -#include <fcntl.h> - -int main(void) -{ - fallocate(0, 0, 0, 0); - return 0; -} -EOF -if compile_prog "" "" ; then - fallocate=yes -fi - -# check for fallocate hole punching -fallocate_punch_hole=no -cat > $TMPC << EOF -#include <fcntl.h> -#include <linux/falloc.h> - -int main(void) -{ - fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0); - return 0; -} -EOF -if compile_prog "" "" ; then - fallocate_punch_hole=yes -fi - -# check that fallocate supports range zeroing inside the file -fallocate_zero_range=no -cat > $TMPC << EOF -#include <fcntl.h> -#include <linux/falloc.h> - -int main(void) -{ - fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0); - return 0; -} -EOF -if compile_prog "" "" ; then - fallocate_zero_range=yes -fi - -# check for posix_fallocate -posix_fallocate=no -cat > $TMPC << EOF -#include <fcntl.h> - -int main(void) -{ - posix_fallocate(0, 0, 0); - return 0; -} -EOF -if compile_prog "" "" ; then - posix_fallocate=yes -fi - -# check for sync_file_range -sync_file_range=no -cat > $TMPC << EOF -#include <fcntl.h> - -int main(void) -{ - sync_file_range(0, 0, 0, 0); - return 0; -} -EOF -if compile_prog "" "" ; then - sync_file_range=yes -fi - -# check for linux/fiemap.h and FS_IOC_FIEMAP -fiemap=no -cat > $TMPC << EOF -#include <sys/ioctl.h> -#include <linux/fs.h> -#include <linux/fiemap.h> - -int main(void) -{ - ioctl(0, FS_IOC_FIEMAP, 0); - return 0; -} -EOF -if compile_prog "" "" ; then - fiemap=yes -fi - -# check for dup3 -dup3=no -cat > $TMPC << EOF -#include <unistd.h> - -int main(void) -{ - dup3(0, 0, 0); - return 0; -} -EOF -if compile_prog "" "" ; then - dup3=yes -fi - -# check for ppoll support -ppoll=no -cat > $TMPC << EOF -#include <poll.h> - -int main(void) -{ - struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 }; - ppoll(&pfd, 1, 0, 0); - return 0; -} -EOF -if compile_prog "" "" ; then - ppoll=yes -fi - -# check for prctl(PR_SET_TIMERSLACK , ... ) support -prctl_pr_set_timerslack=no -cat > $TMPC << EOF -#include <sys/prctl.h> - -int main(void) -{ - prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0); - return 0; -} -EOF -if compile_prog "" "" ; then - prctl_pr_set_timerslack=yes -fi - -# check for epoll support -epoll=no -cat > $TMPC << EOF -#include <sys/epoll.h> - -int main(void) -{ - epoll_create(0); - return 0; -} -EOF -if compile_prog "" "" ; then - epoll=yes -fi - -# epoll_create1 is a later addition -# so we must check separately for its presence -epoll_create1=no -cat > $TMPC << EOF -#include <sys/epoll.h> - -int main(void) -{ - /* Note that we use epoll_create1 as a value, not as - * a function being called. This is necessary so that on - * old SPARC glibc versions where the function was present in - * the library but not declared in the header file we will - * fail the configure check. (Otherwise we will get a compiler - * warning but not an error, and will proceed to fail the - * qemu compile where we compile with -Werror.) - */ - return (int)(uintptr_t)&epoll_create1; -} -EOF -if compile_prog "" "" ; then - epoll_create1=yes -fi - -# check for sendfile support -sendfile=no -cat > $TMPC << EOF -#include <sys/sendfile.h> - -int main(void) -{ - return sendfile(0, 0, 0, 0); -} -EOF -if compile_prog "" "" ; then - sendfile=yes -fi - -# check for timerfd support (glibc 2.8 and newer) -timerfd=no -cat > $TMPC << EOF -#include <sys/timerfd.h> - -int main(void) -{ - return(timerfd_create(CLOCK_REALTIME, 0)); -} -EOF -if compile_prog "" "" ; then - timerfd=yes -fi - -# check for setns and unshare support -setns=no -cat > $TMPC << EOF -#include <sched.h> - -int main(void) -{ - int ret; - ret = setns(0, 0); - ret = unshare(0); - return ret; -} -EOF -if compile_prog "" "" ; then - setns=yes -fi - -# clock_adjtime probe -clock_adjtime=no -cat > $TMPC <<EOF -#include <time.h> -#include <sys/timex.h> - -int main(void) -{ - return clock_adjtime(0, 0); -} -EOF -clock_adjtime=no -if compile_prog "" "" ; then - clock_adjtime=yes -fi - -# syncfs probe -syncfs=no -cat > $TMPC <<EOF -#include <unistd.h> - -int main(void) -{ - return syncfs(0); -} -EOF -syncfs=no -if compile_prog "" "" ; then - syncfs=yes -fi - -# Search for bswap_32 function -byteswap_h=no -cat > $TMPC << EOF -#include <byteswap.h> -int main(void) { return bswap_32(0); } -EOF -if compile_prog "" "" ; then - byteswap_h=yes -fi - -# Search for bswap32 function -bswap_h=no -cat > $TMPC << EOF -#include <sys/endian.h> -#include <sys/types.h> -#include <machine/bswap.h> -int main(void) { return bswap32(0); } -EOF -if compile_prog "" "" ; then - bswap_h=yes -fi - -# Check whether we have openpty() in either libc or libutil -cat > $TMPC << EOF -extern int openpty(int *am, int *as, char *name, void *termp, void *winp); -int main(void) { return openpty(0, 0, 0, 0, 0); } -EOF - -have_openpty="no" -if compile_prog "" "" ; then - have_openpty="yes" -else - if compile_prog "" "-lutil" ; then - have_openpty="yes" - fi -fi - ########################################## # spice probe if test "$spice_protocol" != "no" ; then @@ -4059,28 +3560,6 @@ EOF fi ########################################## -# virgl renderer probe - -if test "$virglrenderer" != "no" ; then - cat > $TMPC << EOF -#include <virglrenderer.h> -int main(void) { virgl_renderer_poll(); return 0; } -EOF - virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null) - virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null) - virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null) - if $pkg_config virglrenderer >/dev/null 2>&1 && \ - compile_prog "$virgl_cflags" "$virgl_libs" ; then - virglrenderer="yes" - else - if test "$virglrenderer" = "yes" ; then - feature_not_found "virglrenderer" - fi - virglrenderer="no" - fi -fi - -########################################## # capstone case "$capstone" in @@ -4091,66 +3570,6 @@ case "$capstone" in esac ########################################## -# check if we have fdatasync - -fdatasync=no -cat > $TMPC << EOF -#include <unistd.h> -int main(void) { -#if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0 -return fdatasync(0); -#else -#error Not supported -#endif -} -EOF -if compile_prog "" "" ; then - fdatasync=yes -fi - -########################################## -# check if we have madvise - -madvise=no -cat > $TMPC << EOF -#include <sys/types.h> -#include <sys/mman.h> -#include <stddef.h> -int main(void) { return madvise(NULL, 0, MADV_DONTNEED); } -EOF -if compile_prog "" "" ; then - madvise=yes -fi - -########################################## -# check if we have posix_madvise - -posix_madvise=no -cat > $TMPC << EOF -#include <sys/mman.h> -#include <stddef.h> -int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); } -EOF -if compile_prog "" "" ; then - posix_madvise=yes -fi - -########################################## -# check if we have posix_memalign() - -posix_memalign=no -cat > $TMPC << EOF -#include <stdlib.h> -int main(void) { - void *p; - return posix_memalign(&p, 8, 8); -} -EOF -if compile_prog "" "" ; then - posix_memalign=yes -fi - -########################################## # check if we have posix_syslog posix_syslog=no @@ -4163,59 +3582,6 @@ if compile_prog "" "" ; then fi ########################################## -# check if we have sem_timedwait - -sem_timedwait=no -cat > $TMPC << EOF -#include <semaphore.h> -int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); } -EOF -if compile_prog "" "" ; then - sem_timedwait=yes -fi - -########################################## -# check if we have strchrnul - -strchrnul=no -cat > $TMPC << EOF -#include <string.h> -int main(void); -// Use a haystack that the compiler shouldn't be able to constant fold -char *haystack = (char*)&main; -int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; } -EOF -if compile_prog "" "" ; then - strchrnul=yes -fi - -######################################### -# check if we have st_atim - -st_atim=no -cat > $TMPC << EOF -#include <sys/stat.h> -#include <stddef.h> -int main(void) { return offsetof(struct stat, st_atim); } -EOF -if compile_prog "" "" ; then - st_atim=yes -fi - -########################################## -# check if we have sigev_notify_thread_id - -sigev_notify_thread_id=no -cat > $TMPC << EOF -#include <stddef.h> -#include <signal.h> -int main(void) { return offsetof(struct sigevent, sigev_notify_thread_id); } -EOF -if compile_prog "" "" ; then - sigev_notify_thread_id=yes -fi - -########################################## # check if trace backend exists $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends > /dev/null 2> /dev/null @@ -4394,65 +3760,6 @@ else # "$safe_stack" = "" fi fi -########################################## -# check if we have open_by_handle_at - -open_by_handle_at=no -cat > $TMPC << EOF -#include <fcntl.h> -#if !defined(AT_EMPTY_PATH) -# error missing definition -#else -int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); } -#endif -EOF -if compile_prog "" "" ; then - open_by_handle_at=yes -fi - -######################################## -# check if we have linux/magic.h - -linux_magic_h=no -cat > $TMPC << EOF -#include <linux/magic.h> -int main(void) { - return 0; -} -EOF -if compile_prog "" "" ; then - linux_magic_h=yes -fi - -######################################## -# check if we have valgrind/valgrind.h - -valgrind_h=no -cat > $TMPC << EOF -#include <valgrind/valgrind.h> -int main(void) { - return 0; -} -EOF -if compile_prog "" "" ; then - valgrind_h=yes -fi - -######################################## -# check if environ is declared - -has_environ=no -cat > $TMPC << EOF -#include <unistd.h> -int main(void) { - environ = 0; - return 0; -} -EOF -if compile_prog "" "" ; then - has_environ=yes -fi - ######################################## # check if cpuid.h is usable. @@ -4725,20 +4032,6 @@ if test "$fortify_source" != "no"; then fi fi -############################################### -# Check if copy_file_range is provided by glibc -have_copy_file_range=no -cat > $TMPC << EOF -#include <unistd.h> -int main(void) { - copy_file_range(0, NULL, 0, NULL, 0, 0); - return 0; -} -EOF -if compile_prog "" "" ; then - have_copy_file_range=yes -fi - ########################################## # check if struct fsxattr is available via linux/fs.h @@ -4786,19 +4079,6 @@ else fi ########################################## -# check if rtnetlink.h exists and is useful -have_rtnetlink=no -cat > $TMPC << EOF -#include <linux/rtnetlink.h> -int main(void) { - return IFLA_PROTO_DOWN; -} -EOF -if compile_prog "" "" ; then - have_rtnetlink=yes -fi - -########################################## # check for usable AF_VSOCK environment have_af_vsock=no cat > $TMPC << EOF @@ -4851,49 +4131,6 @@ then fi -################################################# -# check for sysmacros.h - -have_sysmacros=no -cat > $TMPC << EOF -#include <sys/sysmacros.h> -int main(void) { - return makedev(0, 0); -} -EOF -if compile_prog "" "" ; then - have_sysmacros=yes -fi - -########################################## -# check for utmpx.h, it is missing e.g. on OpenBSD - -have_utmpx=no -cat > $TMPC << EOF -#include <utmpx.h> -struct utmpx user_info; -int main(void) { - return 0; -} -EOF -if compile_prog "" "" ; then - have_utmpx=yes -fi - -########################################## -# check for getrandom() - -have_getrandom=no -cat > $TMPC << EOF -#include <sys/random.h> -int main(void) { - return getrandom(0, 0, GRND_NONBLOCK); -} -EOF -if compile_prog "" "" ; then - have_getrandom=yes -fi - ########################################## # checks for sanitizers @@ -4978,38 +4215,6 @@ EOF fi ########################################## -# check for libpmem - -if test "$libpmem" != "no"; then - if $pkg_config --exists "libpmem"; then - libpmem="yes" - libpmem_libs=$($pkg_config --libs libpmem) - libpmem_cflags=$($pkg_config --cflags libpmem) - else - if test "$libpmem" = "yes" ; then - feature_not_found "libpmem" "Install nvml or pmdk" - fi - libpmem="no" - fi -fi - -########################################## -# check for libdaxctl - -if test "$libdaxctl" != "no"; then - if $pkg_config --atleast-version=57 "libdaxctl"; then - libdaxctl="yes" - libdaxctl_libs=$($pkg_config --libs libdaxctl) - libdaxctl_cflags=$($pkg_config --cflags libdaxctl) - else - if test "$libdaxctl" = "yes" ; then - feature_not_found "libdaxctl" "Install libdaxctl" - fi - libdaxctl="no" - fi -fi - -########################################## # check for slirp case "$slirp" in @@ -5143,11 +4348,6 @@ if test "$mingw32" = "yes" ; then done fi -# We can only support ivshmem if we have eventfd -if [ "$eventfd" = "yes" ]; then - ivshmem=yes -fi - # Probe for guest agent support/options if [ "$guest_agent" != "no" ]; then @@ -5372,96 +4572,9 @@ fi if test "$module_upgrades" = "yes"; then echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak fi -if test "$pipe2" = "yes" ; then - echo "CONFIG_PIPE2=y" >> $config_host_mak -fi -if test "$accept4" = "yes" ; then - echo "CONFIG_ACCEPT4=y" >> $config_host_mak -fi -if test "$splice" = "yes" ; then - echo "CONFIG_SPLICE=y" >> $config_host_mak -fi -if test "$eventfd" = "yes" ; then - echo "CONFIG_EVENTFD=y" >> $config_host_mak -fi -if test "$memfd" = "yes" ; then - echo "CONFIG_MEMFD=y" >> $config_host_mak -fi if test "$have_usbfs" = "yes" ; then echo "CONFIG_USBFS=y" >> $config_host_mak fi -if test "$fallocate" = "yes" ; then - echo "CONFIG_FALLOCATE=y" >> $config_host_mak -fi -if test "$fallocate_punch_hole" = "yes" ; then - echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak -fi -if test "$fallocate_zero_range" = "yes" ; then - echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak -fi -if test "$posix_fallocate" = "yes" ; then - echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak -fi -if test "$sync_file_range" = "yes" ; then - echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak -fi -if test "$fiemap" = "yes" ; then - echo "CONFIG_FIEMAP=y" >> $config_host_mak -fi -if test "$dup3" = "yes" ; then - echo "CONFIG_DUP3=y" >> $config_host_mak -fi -if test "$ppoll" = "yes" ; then - echo "CONFIG_PPOLL=y" >> $config_host_mak -fi -if test "$prctl_pr_set_timerslack" = "yes" ; then - echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak -fi -if test "$epoll" = "yes" ; then - echo "CONFIG_EPOLL=y" >> $config_host_mak -fi -if test "$epoll_create1" = "yes" ; then - echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak -fi -if test "$sendfile" = "yes" ; then - echo "CONFIG_SENDFILE=y" >> $config_host_mak -fi -if test "$timerfd" = "yes" ; then - echo "CONFIG_TIMERFD=y" >> $config_host_mak -fi -if test "$setns" = "yes" ; then - echo "CONFIG_SETNS=y" >> $config_host_mak -fi -if test "$clock_adjtime" = "yes" ; then - echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak -fi -if test "$syncfs" = "yes" ; then - echo "CONFIG_SYNCFS=y" >> $config_host_mak -fi -if test "$inotify" = "yes" ; then - echo "CONFIG_INOTIFY=y" >> $config_host_mak -fi -if test "$inotify1" = "yes" ; then - echo "CONFIG_INOTIFY1=y" >> $config_host_mak -fi -if test "$sem_timedwait" = "yes" ; then - echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak -fi -if test "$strchrnul" = "yes" ; then - echo "HAVE_STRCHRNUL=y" >> $config_host_mak -fi -if test "$st_atim" = "yes" ; then - echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak -fi -if test "$sigev_notify_thread_id" = "yes" ; then - echo "HAVE_SIGEV_NOTIFY_THREAD_ID=y" >> $config_host_mak -fi -if test "$byteswap_h" = "yes" ; then - echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak -fi -if test "$bswap_h" = "yes" ; then - echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak -fi if test "$gio" = "yes" ; then echo "CONFIG_GIO=y" >> $config_host_mak echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak @@ -5471,12 +4584,6 @@ if test "$gdbus_codegen" != "" ; then echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak fi echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak -if test "$have_broken_size_max" = "yes" ; then - echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak -fi -if test "$have_openpty" = "yes" ; then - echo "HAVE_OPENPTY=y" >> $config_host_mak -fi # Work around a system header bug with some kernel/XFS header # versions where they both try to define 'struct fsxattr': @@ -5485,19 +4592,6 @@ fi if test "$have_fsxattr" = "yes" ; then echo "HAVE_FSXATTR=y" >> $config_host_mak fi -if test "$have_copy_file_range" = "yes" ; then - echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak -fi -if test "$vte" = "yes" ; then - echo "CONFIG_VTE=y" >> $config_host_mak - echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak - echo "VTE_LIBS=$vte_libs" >> $config_host_mak -fi -if test "$virglrenderer" = "yes" ; then - echo "CONFIG_VIRGL=y" >> $config_host_mak - echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak - echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak -fi if test "$xen" = "enabled" ; then echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak @@ -5507,11 +4601,6 @@ fi if test "$linux_aio" = "yes" ; then echo "CONFIG_LINUX_AIO=y" >> $config_host_mak fi -if test "$linux_io_uring" = "yes" ; then - echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak - echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak - echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak -fi if test "$vhost_scsi" = "yes" ; then echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak fi @@ -5551,27 +4640,9 @@ fi if test "$membarrier" = "yes" ; then echo "CONFIG_MEMBARRIER=y" >> $config_host_mak fi -if test "$signalfd" = "yes" ; then - echo "CONFIG_SIGNALFD=y" >> $config_host_mak -fi -if test "$optreset" = "yes" ; then - echo "HAVE_OPTRESET=y" >> $config_host_mak -fi if test "$tcg" = "enabled" -a "$tcg_interpreter" = "true" ; then echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak fi -if test "$fdatasync" = "yes" ; then - echo "CONFIG_FDATASYNC=y" >> $config_host_mak -fi -if test "$madvise" = "yes" ; then - echo "CONFIG_MADVISE=y" >> $config_host_mak -fi -if test "$posix_madvise" = "yes" ; then - echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak -fi -if test "$posix_memalign" = "yes" ; then - echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak -fi if test "$spice_protocol" = "yes" ; then echo "CONFIG_SPICE_PROTOCOL=y" >> $config_host_mak @@ -5628,18 +4699,6 @@ if test "$crypto_afalg" = "yes" ; then echo "CONFIG_AF_ALG=y" >> $config_host_mak fi -if test "$open_by_handle_at" = "yes" ; then - echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak -fi - -if test "$linux_magic_h" = "yes" ; then - echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak -fi - -if test "$valgrind_h" = "yes" ; then - echo "CONFIG_VALGRIND_H=y" >> $config_host_mak -fi - if test "$have_asan_iface_fiber" = "yes" ; then echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak fi @@ -5648,10 +4707,6 @@ if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then echo "CONFIG_TSAN=y" >> $config_host_mak fi -if test "$has_environ" = "yes" ; then - echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak -fi - if test "$cpuid_h" = "yes" ; then echo "CONFIG_CPUID_H=y" >> $config_host_mak fi @@ -5738,16 +4793,6 @@ if test "$pvrdma" = "yes" ; then echo "CONFIG_PVRDMA=y" >> $config_host_mak fi -if test "$have_rtnetlink" = "yes" ; then - echo "CONFIG_RTNETLINK=y" >> $config_host_mak -fi - -if test "$libxml2" = "yes" ; then - echo "CONFIG_LIBXML2=y" >> $config_host_mak - echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak - echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak -fi - if test "$replication" = "yes" ; then echo "CONFIG_REPLICATION=y" >> $config_host_mak fi @@ -5756,19 +4801,6 @@ if test "$have_af_vsock" = "yes" ; then echo "CONFIG_AF_VSOCK=y" >> $config_host_mak fi -if test "$have_sysmacros" = "yes" ; then - echo "CONFIG_SYSMACROS=y" >> $config_host_mak -fi - -if test "$have_utmpx" = "yes" ; then - echo "HAVE_UTMPX=y" >> $config_host_mak -fi -if test "$have_getrandom" = "yes" ; then - echo "CONFIG_GETRANDOM=y" >> $config_host_mak -fi -if test "$ivshmem" = "yes" ; then - echo "CONFIG_IVSHMEM=y" >> $config_host_mak -fi if test "$debug_mutex" = "yes" ; then echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak fi @@ -5792,11 +4824,6 @@ if test "$libpmem" = "yes" ; then echo "LIBPMEM_CFLAGS=$libpmem_cflags" >> $config_host_mak fi -if test "$libdaxctl" = "yes" ; then - echo "CONFIG_LIBDAXCTL=y" >> $config_host_mak - echo "LIBDAXCTL_LIBS=$libdaxctl_libs" >> $config_host_mak -fi - if test "$bochs" = "yes" ; then echo "CONFIG_BOCHS=y" >> $config_host_mak fi @@ -5887,19 +4914,12 @@ echo "HOST_CC=$host_cc" >> $config_host_mak if $iasl -h > /dev/null 2>&1; then echo "CONFIG_IASL=$iasl" >> $config_host_mak fi -echo "CXX=$cxx" >> $config_host_mak -echo "OBJCC=$objcc" >> $config_host_mak echo "AR=$ar" >> $config_host_mak -echo "ARFLAGS=$ARFLAGS" >> $config_host_mak echo "AS=$as" >> $config_host_mak echo "CCAS=$ccas" >> $config_host_mak echo "CPP=$cpp" >> $config_host_mak echo "OBJCOPY=$objcopy" >> $config_host_mak echo "LD=$ld" >> $config_host_mak -echo "RANLIB=$ranlib" >> $config_host_mak -echo "NM=$nm" >> $config_host_mak -echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak -echo "WINDRES=$windres" >> $config_host_mak echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak @@ -6155,16 +5175,17 @@ if test "$skip_meson" = no; then -Dkvm=$kvm -Dhax=$hax -Dwhpx=$whpx -Dhvf=$hvf -Dnvmm=$nvmm \ -Dxen=$xen -Dxen_pci_passthrough=$xen_pci_passthrough -Dtcg=$tcg \ -Dcocoa=$cocoa -Dgtk=$gtk -Dmpath=$mpath -Dsdl=$sdl -Dsdl_image=$sdl_image \ - -Dlibusb=$libusb -Dsmartcard=$smartcard -Dusb_redir=$usb_redir \ + -Dlibusb=$libusb -Dsmartcard=$smartcard -Dusb_redir=$usb_redir -Dvte=$vte \ -Dvnc=$vnc -Dvnc_sasl=$vnc_sasl -Dvnc_jpeg=$vnc_jpeg -Dvnc_png=$vnc_png \ -Dgettext=$gettext -Dxkbcommon=$xkbcommon -Du2f=$u2f -Dvirtiofsd=$virtiofsd \ -Dcapstone=$capstone -Dslirp=$slirp -Dfdt=$fdt -Dbrlapi=$brlapi \ -Dcurl=$curl -Dglusterfs=$glusterfs -Dbzip2=$bzip2 -Dlibiscsi=$libiscsi \ -Dlibnfs=$libnfs -Diconv=$iconv -Dcurses=$curses -Dlibudev=$libudev\ - -Drbd=$rbd -Dlzo=$lzo -Dsnappy=$snappy -Dlzfse=$lzfse \ + -Drbd=$rbd -Dlzo=$lzo -Dsnappy=$snappy -Dlzfse=$lzfse -Dlibxml2=$libxml2 \ + -Dlibdaxctl=$libdaxctl -Dlibpmem=$libpmem -Dlinux_io_uring=$linux_io_uring \ -Dgnutls=$gnutls -Dnettle=$nettle -Dgcrypt=$gcrypt -Dauth_pam=$auth_pam \ -Dzstd=$zstd -Dseccomp=$seccomp -Dvirtfs=$virtfs -Dcap_ng=$cap_ng \ - -Dattr=$attr -Ddefault_devices=$default_devices \ + -Dattr=$attr -Ddefault_devices=$default_devices -Dvirglrenderer=$virglrenderer \ -Ddocs=$docs -Dsphinx_build=$sphinx_build -Dinstall_blobs=$blobs \ -Dvhost_user_blk_server=$vhost_user_blk_server -Dmultiprocess=$multiprocess \ -Dfuse=$fuse -Dfuse_lseek=$fuse_lseek -Dguest_agent_msi=$guest_agent_msi -Dbpf=$bpf\ diff --git a/docs/devel/kconfig.rst b/docs/devel/kconfig.rst index cb2d7ff..a1cdbec 100644 --- a/docs/devel/kconfig.rst +++ b/docs/devel/kconfig.rst @@ -303,5 +303,5 @@ variable:: host_kconfig = \ ('CONFIG_TPM' in config_host ? ['CONFIG_TPM=y'] : []) + \ ('CONFIG_SPICE' in config_host ? ['CONFIG_SPICE=y'] : []) + \ - ('CONFIG_IVSHMEM' in config_host ? ['CONFIG_IVSHMEM=y'] : []) + \ + (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \ ... diff --git a/docs/system/deprecated.rst b/docs/system/deprecated.rst index e2e0090..70e08ba 100644 --- a/docs/system/deprecated.rst +++ b/docs/system/deprecated.rst @@ -126,6 +126,18 @@ other options have been processed. This will either have no effect (if if they were not given. The property is therefore useless and should not be specified. +``-display sdl,window_close=...`` (since 6.1) +''''''''''''''''''''''''''''''''''''''''''''' + +Use ``-display sdl,window-close=...`` instead (i.e. with a minus instead of +an underscore between "window" and "close"). + +``-no-quit`` (since 6.1) +'''''''''''''''''''''''' + +The ``-no-quit`` is a synonym for ``-display ...,window-close=off`` which +should be used instead. + QEMU Machine Protocol (QMP) commands ------------------------------------ diff --git a/docs/tools/virtiofsd.rst b/docs/tools/virtiofsd.rst index 4911e79..c4ac7fd 100644 --- a/docs/tools/virtiofsd.rst +++ b/docs/tools/virtiofsd.rst @@ -101,6 +101,9 @@ Options Enable/disable extended attributes (xattr) on files and directories. The default is ``no_xattr``. + * posix_acl|no_posix_acl - + Enable/disable posix acl support. Posix ACLs are disabled by default`. + .. option:: --socket-path=PATH Listen on vhost-user UNIX domain socket at PATH. @@ -127,8 +130,8 @@ Options timeout. ``always`` sets a long cache lifetime at the expense of coherency. The default is ``auto``. -xattr-mapping -------------- +Extended attribute (xattr) mapping +---------------------------------- By default the name of xattr's used by the client are passed through to the server file system. This can be a problem where either those xattr names are used @@ -136,6 +139,9 @@ by something on the server (e.g. selinux client/server confusion) or if the virtiofsd is running in a container with restricted privileges where it cannot access some attributes. +Mapping syntax +~~~~~~~~~~~~~~ + A mapping of xattr names can be made using -o xattrmap=mapping where the ``mapping`` string consists of a series of rules. @@ -232,8 +238,48 @@ Note: When the 'security.capability' xattr is remapped, the daemon has to do extra work to remove it during many operations, which the host kernel normally does itself. -xattr-mapping Examples ----------------------- +Security considerations +~~~~~~~~~~~~~~~~~~~~~~~ + +Operating systems typically partition the xattr namespace using +well defined name prefixes. Each partition may have different +access controls applied. For example, on Linux there are multiple +partitions + + * ``system.*`` - access varies depending on attribute & filesystem + * ``security.*`` - only processes with CAP_SYS_ADMIN + * ``trusted.*`` - only processes with CAP_SYS_ADMIN + * ``user.*`` - any process granted by file permissions / ownership + +While other OS such as FreeBSD have different name prefixes +and access control rules. + +When remapping attributes on the host, it is important to +ensure that the remapping does not allow a guest user to +evade the guest access control rules. + +Consider if ``trusted.*`` from the guest was remapped to +``user.virtiofs.trusted*`` in the host. An unprivileged +user in a Linux guest has the ability to write to xattrs +under ``user.*``. Thus the user can evade the access +control restriction on ``trusted.*`` by instead writing +to ``user.virtiofs.trusted.*``. + +As noted above, the partitions used and access controls +applied, will vary across guest OS, so it is not wise to +try to predict what the guest OS will use. + +The simplest way to avoid an insecure configuration is +to remap all xattrs at once, to a given fixed prefix. +This is shown in example (1) below. + +If selectively mapping only a subset of xattr prefixes, +then rules must be added to explicitly block direct +access to the target of the remapping. This is shown +in example (2) below. + +Mapping examples +~~~~~~~~~~~~~~~~ 1) Prefix all attributes with 'user.virtiofs.' @@ -271,7 +317,9 @@ stripping of 'user.virtiofs.'. The second rule hides unprefixed 'trusted.' attributes on the host. The third rule stops a guest from explicitly setting -the 'user.virtiofs.' path directly. +the 'user.virtiofs.' path directly to prevent access +control bypass on the target of the earlier prefix +remapping. Finally, the fourth rule lets all remaining attributes through. diff --git a/hw/9pfs/9p-local.c b/hw/9pfs/9p-local.c index af52c1d..210d9e7 100644 --- a/hw/9pfs/9p-local.c +++ b/hw/9pfs/9p-local.c @@ -10,6 +10,11 @@ * the COPYING file in the top-level directory. */ +/* + * Not so fast! You might want to read the 9p developer docs first: + * https://wiki.qemu.org/Documentation/9p + */ + #include "qemu/osdep.h" #include "9p.h" #include "9p-local.h" diff --git a/hw/9pfs/9p-posix-acl.c b/hw/9pfs/9p-posix-acl.c index bbf8906..eadae27 100644 --- a/hw/9pfs/9p-posix-acl.c +++ b/hw/9pfs/9p-posix-acl.c @@ -11,6 +11,11 @@ * */ +/* + * Not so fast! You might want to read the 9p developer docs first: + * https://wiki.qemu.org/Documentation/9p + */ + #include "qemu/osdep.h" #include "qemu/xattr.h" #include "9p.h" diff --git a/hw/9pfs/9p-proxy.c b/hw/9pfs/9p-proxy.c index 4aa4e0a..09bd9f1 100644 --- a/hw/9pfs/9p-proxy.c +++ b/hw/9pfs/9p-proxy.c @@ -10,6 +10,11 @@ * the COPYING file in the top-level directory. */ +/* + * Not so fast! You might want to read the 9p developer docs first: + * https://wiki.qemu.org/Documentation/9p + */ + #include "qemu/osdep.h" #include <sys/socket.h> #include <sys/un.h> diff --git a/hw/9pfs/9p-synth.c b/hw/9pfs/9p-synth.c index 473ef91..b38088e 100644 --- a/hw/9pfs/9p-synth.c +++ b/hw/9pfs/9p-synth.c @@ -12,6 +12,11 @@ * */ +/* + * Not so fast! You might want to read the 9p developer docs first: + * https://wiki.qemu.org/Documentation/9p + */ + #include "qemu/osdep.h" #include "9p.h" #include "fsdev/qemu-fsdev.h" diff --git a/hw/9pfs/9p-util.c b/hw/9pfs/9p-util.c index 614b7fc..3221d9b 100644 --- a/hw/9pfs/9p-util.c +++ b/hw/9pfs/9p-util.c @@ -10,6 +10,11 @@ * See the COPYING file in the top-level directory. */ +/* + * Not so fast! You might want to read the 9p developer docs first: + * https://wiki.qemu.org/Documentation/9p + */ + #include "qemu/osdep.h" #include "qemu/xattr.h" #include "9p-util.h" diff --git a/hw/9pfs/9p-xattr-user.c b/hw/9pfs/9p-xattr-user.c index 2c90817..f2ae958 100644 --- a/hw/9pfs/9p-xattr-user.c +++ b/hw/9pfs/9p-xattr-user.c @@ -11,6 +11,11 @@ * */ +/* + * Not so fast! You might want to read the 9p developer docs first: + * https://wiki.qemu.org/Documentation/9p + */ + #include "qemu/osdep.h" #include "9p.h" #include "fsdev/file-op-9p.h" diff --git a/hw/9pfs/9p-xattr.c b/hw/9pfs/9p-xattr.c index c696d8f..9ae69dd 100644 --- a/hw/9pfs/9p-xattr.c +++ b/hw/9pfs/9p-xattr.c @@ -11,6 +11,11 @@ * */ +/* + * Not so fast! You might want to read the 9p developer docs first: + * https://wiki.qemu.org/Documentation/9p + */ + #include "qemu/osdep.h" #include "9p.h" #include "fsdev/file-op-9p.h" diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c index 134806d..2815257 100644 --- a/hw/9pfs/9p.c +++ b/hw/9pfs/9p.c @@ -11,6 +11,11 @@ * */ +/* + * Not so fast! You might want to read the 9p developer docs first: + * https://wiki.qemu.org/Documentation/9p + */ + #include "qemu/osdep.h" #include <glib/gprintf.h> #include "hw/virtio/virtio.h" @@ -966,23 +971,6 @@ static int stat_to_qid(V9fsPDU *pdu, const struct stat *stbuf, V9fsQID *qidp) return 0; } -static int coroutine_fn fid_to_qid(V9fsPDU *pdu, V9fsFidState *fidp, - V9fsQID *qidp) -{ - struct stat stbuf; - int err; - - err = v9fs_co_lstat(pdu, &fidp->path, &stbuf); - if (err < 0) { - return err; - } - err = stat_to_qid(pdu, &stbuf, qidp); - if (err < 0) { - return err; - } - return 0; -} - V9fsPDU *pdu_alloc(V9fsState *s) { V9fsPDU *pdu = NULL; @@ -1395,6 +1383,7 @@ static void coroutine_fn v9fs_attach(void *opaque) size_t offset = 7; V9fsQID qid; ssize_t err; + struct stat stbuf; v9fs_string_init(&uname); v9fs_string_init(&aname); @@ -1417,7 +1406,13 @@ static void coroutine_fn v9fs_attach(void *opaque) clunk_fid(s, fid); goto out; } - err = fid_to_qid(pdu, fidp, &qid); + err = v9fs_co_lstat(pdu, &fidp->path, &stbuf); + if (err < 0) { + err = -EINVAL; + clunk_fid(s, fid); + goto out; + } + err = stat_to_qid(pdu, &stbuf, &qid); if (err < 0) { err = -EINVAL; clunk_fid(s, fid); @@ -1449,7 +1444,7 @@ static void coroutine_fn v9fs_attach(void *opaque) } err += offset; - memcpy(&s->root_qid, &qid, sizeof(qid)); + memcpy(&s->root_st, &stbuf, sizeof(stbuf)); trace_v9fs_attach_return(pdu->tag, pdu->id, qid.type, qid.version, qid.path); out: @@ -1700,12 +1695,9 @@ static bool name_is_illegal(const char *name) return !*name || strchr(name, '/') != NULL; } -static bool not_same_qid(const V9fsQID *qid1, const V9fsQID *qid2) +static bool same_stat_id(const struct stat *a, const struct stat *b) { - return - qid1->type != qid2->type || - qid1->version != qid2->version || - qid1->path != qid2->path; + return a->st_dev == b->st_dev && a->st_ino == b->st_ino; } static void coroutine_fn v9fs_walk(void *opaque) @@ -1713,9 +1705,9 @@ static void coroutine_fn v9fs_walk(void *opaque) int name_idx; V9fsQID *qids = NULL; int i, err = 0; - V9fsPath dpath, path; + V9fsPath dpath, path, *pathes = NULL; uint16_t nwnames; - struct stat stbuf; + struct stat stbuf, fidst, *stbufs = NULL; size_t offset = 7; int32_t fid, newfid; V9fsString *wnames = NULL; @@ -1734,9 +1726,15 @@ static void coroutine_fn v9fs_walk(void *opaque) trace_v9fs_walk(pdu->tag, pdu->id, fid, newfid, nwnames); - if (nwnames && nwnames <= P9_MAXWELEM) { + if (nwnames > P9_MAXWELEM) { + err = -EINVAL; + goto out_nofid; + } + if (nwnames) { wnames = g_new0(V9fsString, nwnames); qids = g_new0(V9fsQID, nwnames); + stbufs = g_new0(struct stat, nwnames); + pathes = g_new0(V9fsPath, nwnames); for (i = 0; i < nwnames; i++) { err = pdu_unmarshal(pdu, offset, "s", &wnames[i]); if (err < 0) { @@ -1748,9 +1746,6 @@ static void coroutine_fn v9fs_walk(void *opaque) } offset += err; } - } else if (nwnames > P9_MAXWELEM) { - err = -EINVAL; - goto out_nofid; } fidp = get_fid(pdu, fid); if (fidp == NULL) { @@ -1760,35 +1755,85 @@ static void coroutine_fn v9fs_walk(void *opaque) v9fs_path_init(&dpath); v9fs_path_init(&path); + /* + * Both dpath and path initially point to fidp. + * Needed to handle request with nwnames == 0 + */ + v9fs_path_copy(&dpath, &fidp->path); + v9fs_path_copy(&path, &fidp->path); - err = fid_to_qid(pdu, fidp, &qid); + /* + * To keep latency (i.e. overall execution time for processing this + * Twalk client request) as small as possible, run all the required fs + * driver code altogether inside the following block. + */ + v9fs_co_run_in_worker({ + if (v9fs_request_cancelled(pdu)) { + err = -EINTR; + break; + } + err = s->ops->lstat(&s->ctx, &dpath, &fidst); + if (err < 0) { + err = -errno; + break; + } + stbuf = fidst; + for (name_idx = 0; name_idx < nwnames; name_idx++) { + if (v9fs_request_cancelled(pdu)) { + err = -EINTR; + break; + } + if (!same_stat_id(&pdu->s->root_st, &stbuf) || + strcmp("..", wnames[name_idx].data)) + { + err = s->ops->name_to_path(&s->ctx, &dpath, + wnames[name_idx].data, &path); + if (err < 0) { + err = -errno; + break; + } + if (v9fs_request_cancelled(pdu)) { + err = -EINTR; + break; + } + err = s->ops->lstat(&s->ctx, &path, &stbuf); + if (err < 0) { + err = -errno; + break; + } + stbufs[name_idx] = stbuf; + v9fs_path_copy(&dpath, &path); + v9fs_path_copy(&pathes[name_idx], &path); + } + } + }); + /* + * Handle all the rest of this Twalk request on main thread ... + */ if (err < 0) { goto out; } - /* - * Both dpath and path initially poin to fidp. - * Needed to handle request with nwnames == 0 - */ + err = stat_to_qid(pdu, &fidst, &qid); + if (err < 0) { + goto out; + } + stbuf = fidst; + + /* reset dpath and path */ v9fs_path_copy(&dpath, &fidp->path); v9fs_path_copy(&path, &fidp->path); - for (name_idx = 0; name_idx < nwnames; name_idx++) { - if (not_same_qid(&pdu->s->root_qid, &qid) || - strcmp("..", wnames[name_idx].data)) { - err = v9fs_co_name_to_path(pdu, &dpath, wnames[name_idx].data, - &path); - if (err < 0) { - goto out; - } - err = v9fs_co_lstat(pdu, &path, &stbuf); - if (err < 0) { - goto out; - } + for (name_idx = 0; name_idx < nwnames; name_idx++) { + if (!same_stat_id(&pdu->s->root_st, &stbuf) || + strcmp("..", wnames[name_idx].data)) + { + stbuf = stbufs[name_idx]; err = stat_to_qid(pdu, &stbuf, &qid); if (err < 0) { goto out; } + v9fs_path_copy(&path, &pathes[name_idx]); v9fs_path_copy(&dpath, &path); } memcpy(&qids[name_idx], &qid, sizeof(qid)); @@ -1824,9 +1869,12 @@ out_nofid: if (nwnames && nwnames <= P9_MAXWELEM) { for (name_idx = 0; name_idx < nwnames; name_idx++) { v9fs_string_free(&wnames[name_idx]); + v9fs_path_free(&pathes[name_idx]); } g_free(wnames); g_free(qids); + g_free(stbufs); + g_free(pathes); } } diff --git a/hw/9pfs/9p.h b/hw/9pfs/9p.h index 0038159..1567b67 100644 --- a/hw/9pfs/9p.h +++ b/hw/9pfs/9p.h @@ -355,7 +355,7 @@ struct V9fsState { int32_t root_fid; Error *migration_blocker; V9fsConf fsconf; - V9fsQID root_qid; + struct stat root_st; dev_t dev_id; struct qht qpd_table; struct qht qpp_table; diff --git a/hw/9pfs/codir.c b/hw/9pfs/codir.c index 1f70a58..032cce0 100644 --- a/hw/9pfs/codir.c +++ b/hw/9pfs/codir.c @@ -11,6 +11,11 @@ * */ +/* + * Not so fast! You might want to read the 9p developer docs first: + * https://wiki.qemu.org/Documentation/9p + */ + #include "qemu/osdep.h" #include "fsdev/qemu-fsdev.h" #include "qemu/thread.h" diff --git a/hw/9pfs/cofile.c b/hw/9pfs/cofile.c index 83bb6c1..20f93a9 100644 --- a/hw/9pfs/cofile.c +++ b/hw/9pfs/cofile.c @@ -11,6 +11,11 @@ * */ +/* + * Not so fast! You might want to read the 9p developer docs first: + * https://wiki.qemu.org/Documentation/9p + */ + #include "qemu/osdep.h" #include "fsdev/qemu-fsdev.h" #include "qemu/thread.h" diff --git a/hw/9pfs/cofs.c b/hw/9pfs/cofs.c index 0b321b4..9d0adc2 100644 --- a/hw/9pfs/cofs.c +++ b/hw/9pfs/cofs.c @@ -11,6 +11,11 @@ * */ +/* + * Not so fast! You might want to read the 9p developer docs first: + * https://wiki.qemu.org/Documentation/9p + */ + #include "qemu/osdep.h" #include "fsdev/qemu-fsdev.h" #include "qemu/thread.h" diff --git a/hw/9pfs/coth.c b/hw/9pfs/coth.c index 9778f24..2802d41 100644 --- a/hw/9pfs/coth.c +++ b/hw/9pfs/coth.c @@ -12,6 +12,11 @@ * */ +/* + * Not so fast! You might want to read the 9p developer docs first: + * https://wiki.qemu.org/Documentation/9p + */ + #include "qemu/osdep.h" #include "block/thread-pool.h" #include "qemu/coroutine.h" diff --git a/hw/9pfs/coxattr.c b/hw/9pfs/coxattr.c index 0e00ffa..dbcd09e 100644 --- a/hw/9pfs/coxattr.c +++ b/hw/9pfs/coxattr.c @@ -11,6 +11,11 @@ * */ +/* + * Not so fast! You might want to read the 9p developer docs first: + * https://wiki.qemu.org/Documentation/9p + */ + #include "qemu/osdep.h" #include "fsdev/qemu-fsdev.h" #include "qemu/thread.h" diff --git a/hw/9pfs/virtio-9p-device.c b/hw/9pfs/virtio-9p-device.c index 14371a7..54ee93b 100644 --- a/hw/9pfs/virtio-9p-device.c +++ b/hw/9pfs/virtio-9p-device.c @@ -11,6 +11,11 @@ * */ +/* + * Not so fast! You might want to read the 9p developer docs first: + * https://wiki.qemu.org/Documentation/9p + */ + #include "qemu/osdep.h" #include "hw/virtio/virtio.h" #include "qemu/sockets.h" diff --git a/hw/9pfs/xen-9p-backend.c b/hw/9pfs/xen-9p-backend.c index a969fcc..65c4979 100644 --- a/hw/9pfs/xen-9p-backend.c +++ b/hw/9pfs/xen-9p-backend.c @@ -8,6 +8,11 @@ * */ +/* + * Not so fast! You might want to read the 9p developer docs first: + * https://wiki.qemu.org/Documentation/9p + */ + #include "qemu/osdep.h" #include "hw/9pfs/9p.h" diff --git a/hw/core/machine.c b/hw/core/machine.c index ca69f03..57c18f9 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -19,6 +19,7 @@ #include "hw/loader.h" #include "qapi/error.h" #include "qapi/qapi-visit-common.h" +#include "qapi/qapi-visit-machine.h" #include "qapi/visitor.h" #include "hw/sysbus.h" #include "sysemu/cpus.h" @@ -799,6 +800,57 @@ static void smp_parse(MachineState *ms, SMPConfiguration *config, Error **errp) ms->smp.sockets = sockets; } +static void machine_get_smp(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) +{ + MachineState *ms = MACHINE(obj); + SMPConfiguration *config = &(SMPConfiguration){ + .has_cores = true, .cores = ms->smp.cores, + .has_sockets = true, .sockets = ms->smp.sockets, + .has_dies = true, .dies = ms->smp.dies, + .has_threads = true, .threads = ms->smp.threads, + .has_cpus = true, .cpus = ms->smp.cpus, + .has_maxcpus = true, .maxcpus = ms->smp.max_cpus, + }; + if (!visit_type_SMPConfiguration(v, name, &config, &error_abort)) { + return; + } +} + +static void machine_set_smp(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) +{ + MachineClass *mc = MACHINE_GET_CLASS(obj); + MachineState *ms = MACHINE(obj); + SMPConfiguration *config; + ERRP_GUARD(); + + if (!visit_type_SMPConfiguration(v, name, &config, errp)) { + return; + } + + mc->smp_parse(ms, config, errp); + if (errp) { + goto out_free; + } + + /* sanity-check smp_cpus and max_cpus against mc */ + if (ms->smp.cpus < mc->min_cpus) { + error_setg(errp, "Invalid SMP CPUs %d. The min CPUs " + "supported by machine '%s' is %d", + ms->smp.cpus, + mc->name, mc->min_cpus); + } else if (ms->smp.max_cpus > mc->max_cpus) { + error_setg(errp, "Invalid SMP CPUs %d. The max CPUs " + "supported by machine '%s' is %d", + current_machine->smp.max_cpus, + mc->name, mc->max_cpus); + } + +out_free: + qapi_free_SMPConfiguration(config); +} + static void machine_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); @@ -838,6 +890,12 @@ static void machine_class_init(ObjectClass *oc, void *data) object_class_property_set_description(oc, "dumpdtb", "Dump current dtb to a file and quit"); + object_class_property_add(oc, "smp", "SMPConfiguration", + machine_get_smp, machine_set_smp, + NULL, NULL); + object_class_property_set_description(oc, "smp", + "CPU topology"); + object_class_property_add(oc, "phandle-start", "int", machine_get_phandle_start, machine_set_phandle_start, NULL, NULL); @@ -1126,56 +1184,6 @@ MemoryRegion *machine_consume_memdev(MachineState *machine, return ret; } -bool machine_smp_parse(MachineState *ms, QemuOpts *opts, Error **errp) -{ - MachineClass *mc = MACHINE_GET_CLASS(ms); - ERRP_GUARD(); - - if (opts) { - SMPConfiguration config = { - .has_cpus = !!qemu_opt_get(opts, "cpus"), - .cpus = qemu_opt_get_number(opts, "cpus", 0), - .has_sockets = !!qemu_opt_get(opts, "sockets"), - .sockets = qemu_opt_get_number(opts, "sockets", 0), - .has_dies = !!qemu_opt_get(opts, "dies"), - .dies = qemu_opt_get_number(opts, "dies", 0), - .has_cores = !!qemu_opt_get(opts, "cores"), - .cores = qemu_opt_get_number(opts, "cores", 0), - .has_threads = !!qemu_opt_get(opts, "threads"), - .threads = qemu_opt_get_number(opts, "threads", 0), - .has_maxcpus = !!qemu_opt_get(opts, "maxcpus"), - .maxcpus = qemu_opt_get_number(opts, "maxcpus", 0), - }; - - mc->smp_parse(ms, &config, errp); - if (*errp) { - return false; - } - } - - /* sanity-check smp_cpus and max_cpus against mc */ - if (ms->smp.cpus < mc->min_cpus) { - error_setg(errp, "Invalid SMP CPUs %d. The min CPUs " - "supported by machine '%s' is %d", - ms->smp.cpus, - mc->name, mc->min_cpus); - return false; - } else if (ms->smp.max_cpus > mc->max_cpus) { - error_setg(errp, "Invalid SMP CPUs %d. The max CPUs " - "supported by machine '%s' is %d", - current_machine->smp.max_cpus, - mc->name, mc->max_cpus); - return false; - } - - if (ms->smp.cpus > 1) { - Error *blocker = NULL; - error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp"); - replay_add_blocker(blocker); - } - return true; -} - void machine_run_board_init(MachineState *machine) { MachineClass *machine_class = MACHINE_GET_CLASS(machine); diff --git a/hw/display/meson.build b/hw/display/meson.build index e1f473c..1e6b707 100644 --- a/hw/display/meson.build +++ b/hw/display/meson.build @@ -61,7 +61,7 @@ if config_all_devices.has_key('CONFIG_VIRTIO_GPU') hw_display_modules += {'virtio-gpu': virtio_gpu_ss} virtio_gpu_gl_ss = ss.source_set() - virtio_gpu_gl_ss.add(when: ['CONFIG_VIRTIO_GPU', 'CONFIG_VIRGL', opengl], + virtio_gpu_gl_ss.add(when: ['CONFIG_VIRTIO_GPU', virgl, opengl], if_true: [files('virtio-gpu-gl.c', 'virtio-gpu-virgl.c'), pixman, virgl]) hw_display_modules += {'virtio-gpu-gl': virtio_gpu_gl_ss} endif @@ -75,7 +75,7 @@ if config_all_devices.has_key('CONFIG_VIRTIO_PCI') hw_display_modules += {'virtio-gpu-pci': virtio_gpu_pci_ss} virtio_gpu_pci_gl_ss = ss.source_set() - virtio_gpu_pci_gl_ss.add(when: ['CONFIG_VIRTIO_GPU', 'CONFIG_VIRTIO_PCI', 'CONFIG_VIRGL', opengl], + virtio_gpu_pci_gl_ss.add(when: ['CONFIG_VIRTIO_GPU', 'CONFIG_VIRTIO_PCI', virgl, opengl], if_true: [files('virtio-gpu-pci-gl.c'), pixman]) hw_display_modules += {'virtio-gpu-pci-gl': virtio_gpu_pci_gl_ss} endif @@ -89,7 +89,7 @@ if config_all_devices.has_key('CONFIG_VIRTIO_VGA') hw_display_modules += {'virtio-vga': virtio_vga_ss} virtio_vga_gl_ss = ss.source_set() - virtio_vga_gl_ss.add(when: ['CONFIG_VIRTIO_VGA', 'CONFIG_VIRGL', opengl], + virtio_vga_gl_ss.add(when: ['CONFIG_VIRTIO_VGA', virgl, opengl], if_true: [files('virtio-vga-gl.c'), pixman]) hw_display_modules += {'virtio-vga-gl': virtio_vga_gl_ss} endif diff --git a/hw/rdma/vmw/pvrdma_cmd.c b/hw/rdma/vmw/pvrdma_cmd.c index f59879e..da7ddfa 100644 --- a/hw/rdma/vmw/pvrdma_cmd.c +++ b/hw/rdma/vmw/pvrdma_cmd.c @@ -38,6 +38,13 @@ static void *pvrdma_map_to_pdir(PCIDevice *pdev, uint64_t pdir_dma, return NULL; } + length = ROUND_UP(length, TARGET_PAGE_SIZE); + if (nchunks * TARGET_PAGE_SIZE != length) { + rdma_error_report("Invalid nchunks/length (%u, %lu)", nchunks, + (unsigned long)length); + return NULL; + } + dir = rdma_pci_dma_map(pdev, pdir_dma, TARGET_PAGE_SIZE); if (!dir) { rdma_error_report("Failed to map to page directory"); diff --git a/hw/rdma/vmw/pvrdma_dev_ring.c b/hw/rdma/vmw/pvrdma_dev_ring.c index 074ac59..4213066 100644 --- a/hw/rdma/vmw/pvrdma_dev_ring.c +++ b/hw/rdma/vmw/pvrdma_dev_ring.c @@ -41,7 +41,7 @@ int pvrdma_ring_init(PvrdmaRing *ring, const char *name, PCIDevice *dev, qatomic_set(&ring->ring_state->cons_head, 0); */ ring->npages = npages; - ring->pages = g_malloc(npages * sizeof(void *)); + ring->pages = g_malloc0(npages * sizeof(void *)); for (i = 0; i < npages; i++) { if (!tbl[i]) { diff --git a/hw/rdma/vmw/pvrdma_main.c b/hw/rdma/vmw/pvrdma_main.c index 84ae802..7c0c355 100644 --- a/hw/rdma/vmw/pvrdma_main.c +++ b/hw/rdma/vmw/pvrdma_main.c @@ -92,6 +92,11 @@ static int init_dev_ring(PvrdmaRing *ring, PvrdmaRingState **ring_state, uint64_t *dir, *tbl; int rc = 0; + if (!num_pages) { + rdma_error_report("Ring pages count must be strictly positive"); + return -EINVAL; + } + dir = rdma_pci_dma_map(pci_dev, dir_addr, TARGET_PAGE_SIZE); if (!dir) { rdma_error_report("Failed to map to page directory (ring %s)", name); diff --git a/include/hw/boards.h b/include/hw/boards.h index 1eae442..accd6ef 100644 --- a/include/hw/boards.h +++ b/include/hw/boards.h @@ -26,7 +26,6 @@ OBJECT_DECLARE_TYPE(MachineState, MachineClass, MACHINE) extern MachineState *current_machine; void machine_run_board_init(MachineState *machine); -bool machine_smp_parse(MachineState *ms, QemuOpts *opts, Error **errp); bool machine_usb(MachineState *machine); int machine_phandle_start(MachineState *machine); bool machine_dump_guest_core(MachineState *machine); diff --git a/include/qemu/option.h b/include/qemu/option.h index f73e0dc..306bf07 100644 --- a/include/qemu/option.h +++ b/include/qemu/option.h @@ -119,7 +119,6 @@ QemuOpts *qemu_opts_create(QemuOptsList *list, const char *id, int fail_if_exists, Error **errp); void qemu_opts_reset(QemuOptsList *list); void qemu_opts_loc_restore(QemuOpts *opts); -bool qemu_opts_set(QemuOptsList *list, const char *name, const char *value, Error **errp); const char *qemu_opts_id(QemuOpts *opts); void qemu_opts_set_id(QemuOpts *opts, char *id); void qemu_opts_del(QemuOpts *opts); @@ -130,8 +129,6 @@ QemuOpts *qemu_opts_parse_noisily(QemuOptsList *list, const char *params, bool permit_abbrev); QemuOpts *qemu_opts_parse(QemuOptsList *list, const char *params, bool permit_abbrev, Error **errp); -void qemu_opts_set_defaults(QemuOptsList *list, const char *params, - int permit_abbrev); QemuOpts *qemu_opts_from_qdict(QemuOptsList *list, const QDict *qdict, Error **errp); QDict *qemu_opts_to_qdict_filtered(QemuOpts *opts, QDict *qdict, @@ -147,7 +144,10 @@ void qemu_opts_print_help(QemuOptsList *list, bool print_caption); void qemu_opts_free(QemuOptsList *list); QemuOptsList *qemu_opts_append(QemuOptsList *dst, QemuOptsList *list); +QDict *keyval_parse_into(QDict *qdict, const char *params, const char *implied_key, + bool *p_help, Error **errp); QDict *keyval_parse(const char *params, const char *implied_key, bool *help, Error **errp); +void keyval_merge(QDict *old, const QDict *new, Error **errp); #endif diff --git a/include/qom/object.h b/include/qom/object.h index 6721cd3..faae0d8 100644 --- a/include/qom/object.h +++ b/include/qom/object.h @@ -862,6 +862,29 @@ static void do_qemu_init_ ## type_array(void) \ type_init(do_qemu_init_ ## type_array) /** + * type_print_class_properties: + * @type: a QOM class name + * + * Print the object's class properties to stdout or the monitor. + * Return whether an object was found. + */ +bool type_print_class_properties(const char *type); + +/** + * object_set_properties_from_keyval: + * @obj: a QOM object + * @qdict: a dictionary with the properties to be set + * @from_json: true if leaf values of @qdict are typed, false if they + * are strings + * @errp: pointer to error object + * + * For each key in the dictionary, parse the value string if needed, + * then set the corresponding property in @obj. + */ +void object_set_properties_from_keyval(Object *obj, const QDict *qdict, + bool from_json, Error **errp); + +/** * object_class_dynamic_cast_assert: * @klass: The #ObjectClass to attempt to cast. * @typename: The QOM typename of the class to cast to. diff --git a/linux-user/alpha/target_syscall.h b/linux-user/alpha/target_syscall.h index fd38942..13a71f3 100644 --- a/linux-user/alpha/target_syscall.h +++ b/linux-user/alpha/target_syscall.h @@ -44,197 +44,197 @@ struct target_pt_regs { #define UNAME_MACHINE "alpha" #define UNAME_MINIMUM_RELEASE "2.6.32" +#undef TARGET_EWOULDBLOCK +#define TARGET_EWOULDBLOCK TARGET_EAGAIN /* Operation would block */ #undef TARGET_EDEADLK -#define TARGET_EDEADLK 11 +#define TARGET_EDEADLK 11 #undef TARGET_EAGAIN -#define TARGET_EAGAIN 35 +#define TARGET_EAGAIN 35 #undef TARGET_EINPROGRESS -#define TARGET_EINPROGRESS 36 +#define TARGET_EINPROGRESS 36 #undef TARGET_EALREADY -#define TARGET_EALREADY 37 +#define TARGET_EALREADY 37 #undef TARGET_ENOTSOCK -#define TARGET_ENOTSOCK 38 +#define TARGET_ENOTSOCK 38 #undef TARGET_EDESTADDRREQ -#define TARGET_EDESTADDRREQ 39 +#define TARGET_EDESTADDRREQ 39 #undef TARGET_EMSGSIZE -#define TARGET_EMSGSIZE 40 +#define TARGET_EMSGSIZE 40 #undef TARGET_EPROTOTYPE -#define TARGET_EPROTOTYPE 41 +#define TARGET_EPROTOTYPE 41 #undef TARGET_ENOPROTOOPT -#define TARGET_ENOPROTOOPT 42 +#define TARGET_ENOPROTOOPT 42 #undef TARGET_EPROTONOSUPPORT -#define TARGET_EPROTONOSUPPORT 43 +#define TARGET_EPROTONOSUPPORT 43 #undef TARGET_ESOCKTNOSUPPORT -#define TARGET_ESOCKTNOSUPPORT 44 +#define TARGET_ESOCKTNOSUPPORT 44 #undef TARGET_EOPNOTSUPP -#define TARGET_EOPNOTSUPP 45 +#define TARGET_EOPNOTSUPP 45 #undef TARGET_EPFNOSUPPORT -#define TARGET_EPFNOSUPPORT 46 +#define TARGET_EPFNOSUPPORT 46 #undef TARGET_EAFNOSUPPORT -#define TARGET_EAFNOSUPPORT 47 +#define TARGET_EAFNOSUPPORT 47 #undef TARGET_EADDRINUSE -#define TARGET_EADDRINUSE 48 +#define TARGET_EADDRINUSE 48 #undef TARGET_EADDRNOTAVAIL -#define TARGET_EADDRNOTAVAIL 49 +#define TARGET_EADDRNOTAVAIL 49 #undef TARGET_ENETDOWN -#define TARGET_ENETDOWN 50 +#define TARGET_ENETDOWN 50 #undef TARGET_ENETUNREACH -#define TARGET_ENETUNREACH 51 +#define TARGET_ENETUNREACH 51 #undef TARGET_ENETRESET -#define TARGET_ENETRESET 52 +#define TARGET_ENETRESET 52 #undef TARGET_ECONNABORTED -#define TARGET_ECONNABORTED 53 +#define TARGET_ECONNABORTED 53 #undef TARGET_ECONNRESET -#define TARGET_ECONNRESET 54 +#define TARGET_ECONNRESET 54 #undef TARGET_ENOBUFS -#define TARGET_ENOBUFS 55 +#define TARGET_ENOBUFS 55 #undef TARGET_EISCONN -#define TARGET_EISCONN 56 +#define TARGET_EISCONN 56 #undef TARGET_ENOTCONN -#define TARGET_ENOTCONN 57 +#define TARGET_ENOTCONN 57 #undef TARGET_ESHUTDOWN -#define TARGET_ESHUTDOWN 58 +#define TARGET_ESHUTDOWN 58 #undef TARGET_ETOOMANYREFS -#define TARGET_ETOOMANYREFS 59 +#define TARGET_ETOOMANYREFS 59 #undef TARGET_ETIMEDOUT -#define TARGET_ETIMEDOUT 60 +#define TARGET_ETIMEDOUT 60 #undef TARGET_ECONNREFUSED -#define TARGET_ECONNREFUSED 61 +#define TARGET_ECONNREFUSED 61 #undef TARGET_ELOOP -#define TARGET_ELOOP 62 +#define TARGET_ELOOP 62 #undef TARGET_ENAMETOOLONG -#define TARGET_ENAMETOOLONG 63 +#define TARGET_ENAMETOOLONG 63 #undef TARGET_EHOSTDOWN -#define TARGET_EHOSTDOWN 64 +#define TARGET_EHOSTDOWN 64 #undef TARGET_EHOSTUNREACH -#define TARGET_EHOSTUNREACH 65 +#define TARGET_EHOSTUNREACH 65 #undef TARGET_ENOTEMPTY -#define TARGET_ENOTEMPTY 66 -// Unused 67 +#define TARGET_ENOTEMPTY 66 +/* Unused 67 */ #undef TARGET_EUSERS -#define TARGET_EUSERS 68 +#define TARGET_EUSERS 68 #undef TARGET_EDQUOT -#define TARGET_EDQUOT 69 +#define TARGET_EDQUOT 69 #undef TARGET_ESTALE -#define TARGET_ESTALE 70 +#define TARGET_ESTALE 70 #undef TARGET_EREMOTE -#define TARGET_EREMOTE 71 -// Unused 72-76 +#define TARGET_EREMOTE 71 +/* Unused 72-76 */ #undef TARGET_ENOLCK -#define TARGET_ENOLCK 77 +#define TARGET_ENOLCK 77 #undef TARGET_ENOSYS -#define TARGET_ENOSYS 78 -// Unused 79 +#define TARGET_ENOSYS 78 +/* Unused 79 */ #undef TARGET_ENOMSG -#define TARGET_ENOMSG 80 +#define TARGET_ENOMSG 80 #undef TARGET_EIDRM -#define TARGET_EIDRM 81 +#define TARGET_EIDRM 81 #undef TARGET_ENOSR -#define TARGET_ENOSR 82 +#define TARGET_ENOSR 82 #undef TARGET_ETIME -#define TARGET_ETIME 83 +#define TARGET_ETIME 83 #undef TARGET_EBADMSG -#define TARGET_EBADMSG 84 +#define TARGET_EBADMSG 84 #undef TARGET_EPROTO -#define TARGET_EPROTO 85 +#define TARGET_EPROTO 85 #undef TARGET_ENODATA -#define TARGET_ENODATA 86 +#define TARGET_ENODATA 86 #undef TARGET_ENOSTR -#define TARGET_ENOSTR 87 +#define TARGET_ENOSTR 87 #undef TARGET_ECHRNG -#define TARGET_ECHRNG 88 +#define TARGET_ECHRNG 88 #undef TARGET_EL2NSYNC -#define TARGET_EL2NSYNC 89 +#define TARGET_EL2NSYNC 89 #undef TARGET_EL3HLT -#define TARGET_EL3HLT 90 +#define TARGET_EL3HLT 90 #undef TARGET_EL3RST -#define TARGET_EL3RST 91 +#define TARGET_EL3RST 91 #undef TARGET_ENOPKG -#define TARGET_ENOPKG 92 +#define TARGET_ENOPKG 92 #undef TARGET_ELNRNG -#define TARGET_ELNRNG 93 +#define TARGET_ELNRNG 93 #undef TARGET_EUNATCH -#define TARGET_EUNATCH 94 +#define TARGET_EUNATCH 94 #undef TARGET_ENOCSI -#define TARGET_ENOCSI 95 +#define TARGET_ENOCSI 95 #undef TARGET_EL2HLT -#define TARGET_EL2HLT 96 +#define TARGET_EL2HLT 96 #undef TARGET_EBADE -#define TARGET_EBADE 97 +#define TARGET_EBADE 97 #undef TARGET_EBADR -#define TARGET_EBADR 98 +#define TARGET_EBADR 98 #undef TARGET_EXFULL -#define TARGET_EXFULL 99 +#define TARGET_EXFULL 99 #undef TARGET_ENOANO -#define TARGET_ENOANO 100 +#define TARGET_ENOANO 100 #undef TARGET_EBADRQC -#define TARGET_EBADRQC 101 +#define TARGET_EBADRQC 101 #undef TARGET_EBADSLT -#define TARGET_EBADSLT 102 -// Unused 103 +#define TARGET_EBADSLT 102 +/* Unused 103 */ #undef TARGET_EBFONT -#define TARGET_EBFONT 104 +#define TARGET_EBFONT 104 #undef TARGET_ENONET -#define TARGET_ENONET 105 +#define TARGET_ENONET 105 #undef TARGET_ENOLINK -#define TARGET_ENOLINK 106 +#define TARGET_ENOLINK 106 #undef TARGET_EADV -#define TARGET_EADV 107 +#define TARGET_EADV 107 #undef TARGET_ESRMNT -#define TARGET_ESRMNT 108 +#define TARGET_ESRMNT 108 #undef TARGET_ECOMM -#define TARGET_ECOMM 109 +#define TARGET_ECOMM 109 #undef TARGET_EMULTIHOP -#define TARGET_EMULTIHOP 110 +#define TARGET_EMULTIHOP 110 #undef TARGET_EDOTDOT -#define TARGET_EDOTDOT 111 +#define TARGET_EDOTDOT 111 #undef TARGET_EOVERFLOW -#define TARGET_EOVERFLOW 112 +#define TARGET_EOVERFLOW 112 #undef TARGET_ENOTUNIQ -#define TARGET_ENOTUNIQ 113 +#define TARGET_ENOTUNIQ 113 #undef TARGET_EBADFD -#define TARGET_EBADFD 114 +#define TARGET_EBADFD 114 #undef TARGET_EREMCHG -#define TARGET_EREMCHG 115 +#define TARGET_EREMCHG 115 #undef TARGET_EILSEQ -#define TARGET_EILSEQ 116 - -// Same as default 117-121 - +#define TARGET_EILSEQ 116 +/* Same as default 117-121 */ #undef TARGET_ELIBACC -#define TARGET_ELIBACC 122 +#define TARGET_ELIBACC 122 #undef TARGET_ELIBBAD -#define TARGET_ELIBBAD 123 +#define TARGET_ELIBBAD 123 #undef TARGET_ELIBSCN -#define TARGET_ELIBSCN 124 +#define TARGET_ELIBSCN 124 #undef TARGET_ELIBMAX -#define TARGET_ELIBMAX 125 +#define TARGET_ELIBMAX 125 #undef TARGET_ELIBEXEC -#define TARGET_ELIBEXEC 126 +#define TARGET_ELIBEXEC 126 #undef TARGET_ERESTART -#define TARGET_ERESTART 127 +#define TARGET_ERESTART 127 #undef TARGET_ESTRPIPE -#define TARGET_ESTRPIPE 128 +#define TARGET_ESTRPIPE 128 #undef TARGET_ENOMEDIUM -#define TARGET_ENOMEDIUM 129 +#define TARGET_ENOMEDIUM 129 #undef TARGET_EMEDIUMTYPE -#define TARGET_EMEDIUMTYPE 130 +#define TARGET_EMEDIUMTYPE 130 #undef TARGET_ECANCELED -#define TARGET_ECANCELED 131 +#define TARGET_ECANCELED 131 #undef TARGET_ENOKEY -#define TARGET_ENOKEY 132 +#define TARGET_ENOKEY 132 #undef TARGET_EKEYEXPIRED -#define TARGET_EKEYEXPIRED 133 +#define TARGET_EKEYEXPIRED 133 #undef TARGET_EKEYREVOKED -#define TARGET_EKEYREVOKED 134 +#define TARGET_EKEYREVOKED 134 #undef TARGET_EKEYREJECTED -#define TARGET_EKEYREJECTED 135 +#define TARGET_EKEYREJECTED 135 #undef TARGET_EOWNERDEAD -#define TARGET_EOWNERDEAD 136 +#define TARGET_EOWNERDEAD 136 #undef TARGET_ENOTRECOVERABLE -#define TARGET_ENOTRECOVERABLE 137 +#define TARGET_ENOTRECOVERABLE 137 #undef TARGET_ERFKILL -#define TARGET_ERFKILL 138 +#define TARGET_ERFKILL 138 #undef TARGET_EHWPOISON #define TARGET_EHWPOISON 139 diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 598ab8a..42ef2a1 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -1434,6 +1434,19 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs, #define ELF_CLASS ELFCLASS64 #endif +#define ELF_HWCAP get_elf_hwcap() + +static uint32_t get_elf_hwcap(void) +{ +#define MISA_BIT(EXT) (1 << (EXT - 'A')) + RISCVCPU *cpu = RISCV_CPU(thread_cpu); + uint32_t mask = MISA_BIT('I') | MISA_BIT('M') | MISA_BIT('A') + | MISA_BIT('F') | MISA_BIT('D') | MISA_BIT('C'); + + return cpu->env.misa & mask; +#undef MISA_BIT +} + static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop) { diff --git a/linux-user/hppa/target_syscall.h b/linux-user/hppa/target_syscall.h index f34e05e..97a0956 100644 --- a/linux-user/hppa/target_syscall.h +++ b/linux-user/hppa/target_syscall.h @@ -27,6 +27,8 @@ struct target_pt_regs { #define TARGET_MCL_FUTURE 2 #define TARGET_MCL_ONFAULT 4 +#undef TARGET_EWOULDBLOCK +#define TARGET_EWOULDBLOCK TARGET_EAGAIN /* Operation would block */ #undef TARGET_ENOMSG #define TARGET_ENOMSG 35 #undef TARGET_EIDRM diff --git a/linux-user/linuxload.c b/linux-user/linuxload.c index a27e1d0..9d4eb5e 100644 --- a/linux-user/linuxload.c +++ b/linux-user/linuxload.c @@ -1,59 +1,57 @@ /* Code for loading Linux executables. Mostly linux kernel code. */ #include "qemu/osdep.h" - #include "qemu.h" #define NGROUPS 32 /* ??? This should really be somewhere else. */ -abi_long memcpy_to_target(abi_ulong dest, const void *src, - unsigned long len) +abi_long memcpy_to_target(abi_ulong dest, const void *src, unsigned long len) { void *host_ptr; host_ptr = lock_user(VERIFY_WRITE, dest, len, 0); - if (!host_ptr) + if (!host_ptr) { return -TARGET_EFAULT; + } memcpy(host_ptr, src, len); unlock_user(host_ptr, dest, 1); return 0; } -static int count(char ** vec) +static int count(char **vec) { - int i; + int i; - for(i = 0; *vec; i++) { + for (i = 0; *vec; i++) { vec++; } - - return(i); + return i; } static int prepare_binprm(struct linux_binprm *bprm) { - struct stat st; + struct stat st; int mode; int retval; - if(fstat(bprm->fd, &st) < 0) { - return(-errno); + if (fstat(bprm->fd, &st) < 0) { + return -errno; } mode = st.st_mode; - if(!S_ISREG(mode)) { /* Must be regular file */ - return(-EACCES); + if (!S_ISREG(mode)) { /* Must be regular file */ + return -EACCES; } - if(!(mode & 0111)) { /* Must have at least one execute bit set */ - return(-EACCES); + if (!(mode & 0111)) { /* Must have at least one execute bit set */ + return -EACCES; } bprm->e_uid = geteuid(); bprm->e_gid = getegid(); /* Set-uid? */ - if(mode & S_ISUID) { + if (mode & S_ISUID) { bprm->e_uid = st.st_uid; } @@ -125,8 +123,8 @@ abi_ulong loader_build_argptr(int envc, int argc, abi_ulong sp, } int loader_exec(int fdexec, const char *filename, char **argv, char **envp, - struct target_pt_regs * regs, struct image_info *infop, - struct linux_binprm *bprm) + struct target_pt_regs *regs, struct image_info *infop, + struct linux_binprm *bprm) { int retval; @@ -139,7 +137,7 @@ int loader_exec(int fdexec, const char *filename, char **argv, char **envp, retval = prepare_binprm(bprm); - if(retval>=0) { + if (retval >= 0) { if (bprm->buf[0] == 0x7f && bprm->buf[1] == 'E' && bprm->buf[2] == 'L' @@ -157,11 +155,11 @@ int loader_exec(int fdexec, const char *filename, char **argv, char **envp, } } - if(retval>=0) { + if (retval >= 0) { /* success. Initialize important registers */ do_init_thread(regs, infop); return retval; } - return(retval); + return retval; } diff --git a/linux-user/mips/target_syscall.h b/linux-user/mips/target_syscall.h index dd6fd7a..3e558fd 100644 --- a/linux-user/mips/target_syscall.h +++ b/linux-user/mips/target_syscall.h @@ -21,6 +21,8 @@ struct target_pt_regs { }; /* Target errno definitions taken from asm-mips/errno.h */ +#undef TARGET_EWOULDBLOCK +#define TARGET_EWOULDBLOCK TARGET_EAGAIN /* Operation would block */ #undef TARGET_ENOMSG #define TARGET_ENOMSG 35 /* Identifier removed */ #undef TARGET_EIDRM diff --git a/linux-user/mips64/target_syscall.h b/linux-user/mips64/target_syscall.h index 8594955..c54374c 100644 --- a/linux-user/mips64/target_syscall.h +++ b/linux-user/mips64/target_syscall.h @@ -18,6 +18,8 @@ struct target_pt_regs { }; /* Target errno definitions taken from asm-mips/errno.h */ +#undef TARGET_EWOULDBLOCK +#define TARGET_EWOULDBLOCK TARGET_EAGAIN /* Operation would block */ #undef TARGET_ENOMSG #define TARGET_ENOMSG 35 /* Identifier removed */ #undef TARGET_EIDRM diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 64bbf33..2e82620 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -519,112 +519,112 @@ static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = { * minus the errnos that are not actually generic to all archs. */ static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = { - [EAGAIN] = TARGET_EAGAIN, - [EIDRM] = TARGET_EIDRM, - [ECHRNG] = TARGET_ECHRNG, - [EL2NSYNC] = TARGET_EL2NSYNC, - [EL3HLT] = TARGET_EL3HLT, - [EL3RST] = TARGET_EL3RST, - [ELNRNG] = TARGET_ELNRNG, - [EUNATCH] = TARGET_EUNATCH, - [ENOCSI] = TARGET_ENOCSI, - [EL2HLT] = TARGET_EL2HLT, - [EDEADLK] = TARGET_EDEADLK, - [ENOLCK] = TARGET_ENOLCK, - [EBADE] = TARGET_EBADE, - [EBADR] = TARGET_EBADR, - [EXFULL] = TARGET_EXFULL, - [ENOANO] = TARGET_ENOANO, - [EBADRQC] = TARGET_EBADRQC, - [EBADSLT] = TARGET_EBADSLT, - [EBFONT] = TARGET_EBFONT, - [ENOSTR] = TARGET_ENOSTR, - [ENODATA] = TARGET_ENODATA, - [ETIME] = TARGET_ETIME, - [ENOSR] = TARGET_ENOSR, - [ENONET] = TARGET_ENONET, - [ENOPKG] = TARGET_ENOPKG, - [EREMOTE] = TARGET_EREMOTE, - [ENOLINK] = TARGET_ENOLINK, - [EADV] = TARGET_EADV, - [ESRMNT] = TARGET_ESRMNT, - [ECOMM] = TARGET_ECOMM, - [EPROTO] = TARGET_EPROTO, - [EDOTDOT] = TARGET_EDOTDOT, - [EMULTIHOP] = TARGET_EMULTIHOP, - [EBADMSG] = TARGET_EBADMSG, - [ENAMETOOLONG] = TARGET_ENAMETOOLONG, - [EOVERFLOW] = TARGET_EOVERFLOW, - [ENOTUNIQ] = TARGET_ENOTUNIQ, - [EBADFD] = TARGET_EBADFD, - [EREMCHG] = TARGET_EREMCHG, - [ELIBACC] = TARGET_ELIBACC, - [ELIBBAD] = TARGET_ELIBBAD, - [ELIBSCN] = TARGET_ELIBSCN, - [ELIBMAX] = TARGET_ELIBMAX, - [ELIBEXEC] = TARGET_ELIBEXEC, - [EILSEQ] = TARGET_EILSEQ, - [ENOSYS] = TARGET_ENOSYS, - [ELOOP] = TARGET_ELOOP, - [ERESTART] = TARGET_ERESTART, - [ESTRPIPE] = TARGET_ESTRPIPE, - [ENOTEMPTY] = TARGET_ENOTEMPTY, - [EUSERS] = TARGET_EUSERS, - [ENOTSOCK] = TARGET_ENOTSOCK, - [EDESTADDRREQ] = TARGET_EDESTADDRREQ, - [EMSGSIZE] = TARGET_EMSGSIZE, - [EPROTOTYPE] = TARGET_EPROTOTYPE, - [ENOPROTOOPT] = TARGET_ENOPROTOOPT, - [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT, - [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT, - [EOPNOTSUPP] = TARGET_EOPNOTSUPP, - [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT, - [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT, - [EADDRINUSE] = TARGET_EADDRINUSE, - [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL, - [ENETDOWN] = TARGET_ENETDOWN, - [ENETUNREACH] = TARGET_ENETUNREACH, - [ENETRESET] = TARGET_ENETRESET, - [ECONNABORTED] = TARGET_ECONNABORTED, - [ECONNRESET] = TARGET_ECONNRESET, - [ENOBUFS] = TARGET_ENOBUFS, - [EISCONN] = TARGET_EISCONN, - [ENOTCONN] = TARGET_ENOTCONN, - [EUCLEAN] = TARGET_EUCLEAN, - [ENOTNAM] = TARGET_ENOTNAM, - [ENAVAIL] = TARGET_ENAVAIL, - [EISNAM] = TARGET_EISNAM, - [EREMOTEIO] = TARGET_EREMOTEIO, + [EAGAIN] = TARGET_EAGAIN, + [EIDRM] = TARGET_EIDRM, + [ECHRNG] = TARGET_ECHRNG, + [EL2NSYNC] = TARGET_EL2NSYNC, + [EL3HLT] = TARGET_EL3HLT, + [EL3RST] = TARGET_EL3RST, + [ELNRNG] = TARGET_ELNRNG, + [EUNATCH] = TARGET_EUNATCH, + [ENOCSI] = TARGET_ENOCSI, + [EL2HLT] = TARGET_EL2HLT, + [EDEADLK] = TARGET_EDEADLK, + [ENOLCK] = TARGET_ENOLCK, + [EBADE] = TARGET_EBADE, + [EBADR] = TARGET_EBADR, + [EXFULL] = TARGET_EXFULL, + [ENOANO] = TARGET_ENOANO, + [EBADRQC] = TARGET_EBADRQC, + [EBADSLT] = TARGET_EBADSLT, + [EBFONT] = TARGET_EBFONT, + [ENOSTR] = TARGET_ENOSTR, + [ENODATA] = TARGET_ENODATA, + [ETIME] = TARGET_ETIME, + [ENOSR] = TARGET_ENOSR, + [ENONET] = TARGET_ENONET, + [ENOPKG] = TARGET_ENOPKG, + [EREMOTE] = TARGET_EREMOTE, + [ENOLINK] = TARGET_ENOLINK, + [EADV] = TARGET_EADV, + [ESRMNT] = TARGET_ESRMNT, + [ECOMM] = TARGET_ECOMM, + [EPROTO] = TARGET_EPROTO, + [EDOTDOT] = TARGET_EDOTDOT, + [EMULTIHOP] = TARGET_EMULTIHOP, + [EBADMSG] = TARGET_EBADMSG, + [ENAMETOOLONG] = TARGET_ENAMETOOLONG, + [EOVERFLOW] = TARGET_EOVERFLOW, + [ENOTUNIQ] = TARGET_ENOTUNIQ, + [EBADFD] = TARGET_EBADFD, + [EREMCHG] = TARGET_EREMCHG, + [ELIBACC] = TARGET_ELIBACC, + [ELIBBAD] = TARGET_ELIBBAD, + [ELIBSCN] = TARGET_ELIBSCN, + [ELIBMAX] = TARGET_ELIBMAX, + [ELIBEXEC] = TARGET_ELIBEXEC, + [EILSEQ] = TARGET_EILSEQ, + [ENOSYS] = TARGET_ENOSYS, + [ELOOP] = TARGET_ELOOP, + [ERESTART] = TARGET_ERESTART, + [ESTRPIPE] = TARGET_ESTRPIPE, + [ENOTEMPTY] = TARGET_ENOTEMPTY, + [EUSERS] = TARGET_EUSERS, + [ENOTSOCK] = TARGET_ENOTSOCK, + [EDESTADDRREQ] = TARGET_EDESTADDRREQ, + [EMSGSIZE] = TARGET_EMSGSIZE, + [EPROTOTYPE] = TARGET_EPROTOTYPE, + [ENOPROTOOPT] = TARGET_ENOPROTOOPT, + [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT, + [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT, + [EOPNOTSUPP] = TARGET_EOPNOTSUPP, + [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT, + [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT, + [EADDRINUSE] = TARGET_EADDRINUSE, + [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL, + [ENETDOWN] = TARGET_ENETDOWN, + [ENETUNREACH] = TARGET_ENETUNREACH, + [ENETRESET] = TARGET_ENETRESET, + [ECONNABORTED] = TARGET_ECONNABORTED, + [ECONNRESET] = TARGET_ECONNRESET, + [ENOBUFS] = TARGET_ENOBUFS, + [EISCONN] = TARGET_EISCONN, + [ENOTCONN] = TARGET_ENOTCONN, + [EUCLEAN] = TARGET_EUCLEAN, + [ENOTNAM] = TARGET_ENOTNAM, + [ENAVAIL] = TARGET_ENAVAIL, + [EISNAM] = TARGET_EISNAM, + [EREMOTEIO] = TARGET_EREMOTEIO, [EDQUOT] = TARGET_EDQUOT, - [ESHUTDOWN] = TARGET_ESHUTDOWN, - [ETOOMANYREFS] = TARGET_ETOOMANYREFS, - [ETIMEDOUT] = TARGET_ETIMEDOUT, - [ECONNREFUSED] = TARGET_ECONNREFUSED, - [EHOSTDOWN] = TARGET_EHOSTDOWN, - [EHOSTUNREACH] = TARGET_EHOSTUNREACH, - [EALREADY] = TARGET_EALREADY, - [EINPROGRESS] = TARGET_EINPROGRESS, - [ESTALE] = TARGET_ESTALE, - [ECANCELED] = TARGET_ECANCELED, - [ENOMEDIUM] = TARGET_ENOMEDIUM, - [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE, + [ESHUTDOWN] = TARGET_ESHUTDOWN, + [ETOOMANYREFS] = TARGET_ETOOMANYREFS, + [ETIMEDOUT] = TARGET_ETIMEDOUT, + [ECONNREFUSED] = TARGET_ECONNREFUSED, + [EHOSTDOWN] = TARGET_EHOSTDOWN, + [EHOSTUNREACH] = TARGET_EHOSTUNREACH, + [EALREADY] = TARGET_EALREADY, + [EINPROGRESS] = TARGET_EINPROGRESS, + [ESTALE] = TARGET_ESTALE, + [ECANCELED] = TARGET_ECANCELED, + [ENOMEDIUM] = TARGET_ENOMEDIUM, + [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE, #ifdef ENOKEY - [ENOKEY] = TARGET_ENOKEY, + [ENOKEY] = TARGET_ENOKEY, #endif #ifdef EKEYEXPIRED - [EKEYEXPIRED] = TARGET_EKEYEXPIRED, + [EKEYEXPIRED] = TARGET_EKEYEXPIRED, #endif #ifdef EKEYREVOKED - [EKEYREVOKED] = TARGET_EKEYREVOKED, + [EKEYREVOKED] = TARGET_EKEYREVOKED, #endif #ifdef EKEYREJECTED - [EKEYREJECTED] = TARGET_EKEYREJECTED, + [EKEYREJECTED] = TARGET_EKEYREJECTED, #endif #ifdef EOWNERDEAD - [EOWNERDEAD] = TARGET_EOWNERDEAD, + [EOWNERDEAD] = TARGET_EOWNERDEAD, #endif #ifdef ENOTRECOVERABLE - [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE, + [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE, #endif #ifdef ENOMSG [ENOMSG] = TARGET_ENOMSG, @@ -7956,6 +7956,9 @@ static int open_self_stat(void *cpu_env, int fd) gchar *bin = g_strrstr(ts->bprm->argv[0], "/"); bin = bin ? bin + 1 : ts->bprm->argv[0]; g_string_printf(buf, "(%.15s) ", bin); + } else if (i == 3) { + /* ppid */ + g_string_printf(buf, FMT_pid " ", getppid()); } else if (i == 27) { /* stack bottom */ g_string_printf(buf, TARGET_ABI_FMT_ld " ", ts->info->start_stack); diff --git a/meson.build b/meson.build index db6789a..7e12de0 100644 --- a/meson.build +++ b/meson.build @@ -164,6 +164,7 @@ endif multiprocess_allowed = targetos == 'linux' and not get_option('multiprocess').disabled() libm = cc.find_library('m', required: false) +threads = dependency('threads') util = cc.find_library('util', required: false) winmm = [] socket = [] @@ -327,15 +328,16 @@ if have_system or have_tools endif libaio = cc.find_library('aio', required: false) zlib = dependency('zlib', required: true, kwargs: static_kwargs) + linux_io_uring = not_found -if 'CONFIG_LINUX_IO_URING' in config_host - linux_io_uring = declare_dependency(compile_args: config_host['LINUX_IO_URING_CFLAGS'].split(), - link_args: config_host['LINUX_IO_URING_LIBS'].split()) +if not get_option('linux_io_uring').auto() or have_block + linux_io_uring = dependency('liburing', required: get_option('linux_io_uring'), + method: 'pkg-config', kwargs: static_kwargs) endif libxml2 = not_found -if 'CONFIG_LIBXML2' in config_host - libxml2 = declare_dependency(compile_args: config_host['LIBXML2_CFLAGS'].split(), - link_args: config_host['LIBXML2_LIBS'].split()) +if not get_option('libxml2').auto() or have_block + libxml2 = dependency('libxml-2.0', required: get_option('libxml2'), + method: 'pkg-config', kwargs: static_kwargs) endif libnfs = not_found if not get_option('libnfs').auto() or have_block @@ -471,9 +473,11 @@ if 'CONFIG_GBM' in config_host link_args: config_host['GBM_LIBS'].split()) endif virgl = not_found -if 'CONFIG_VIRGL' in config_host - virgl = declare_dependency(compile_args: config_host['VIRGL_CFLAGS'].split(), - link_args: config_host['VIRGL_LIBS'].split()) +if not get_option('virglrenderer').auto() or have_system + virgl = dependency('virglrenderer', + method: 'pkg-config', + required: get_option('virglrenderer'), + kwargs: static_kwargs) endif curl = not_found if not get_option('curl').auto() or have_block @@ -860,6 +864,7 @@ endif gtk = not_found gtkx11 = not_found +vte = not_found if not get_option('gtk').auto() or (have_system and not cocoa.found()) gtk = dependency('gtk+-3.0', version: '>=3.22.0', method: 'pkg-config', @@ -871,14 +876,16 @@ if not get_option('gtk').auto() or (have_system and not cocoa.found()) required: false, kwargs: static_kwargs) gtk = declare_dependency(dependencies: [gtk, gtkx11]) + + if not get_option('vte').auto() or have_system + vte = dependency('vte-2.91', + method: 'pkg-config', + required: get_option('vte'), + kwargs: static_kwargs) + endif endif endif -vte = not_found -if 'CONFIG_VTE' in config_host - vte = declare_dependency(compile_args: config_host['VTE_CFLAGS'].split(), - link_args: config_host['VTE_LIBS'].split()) -endif x11 = not_found if gtkx11.found() x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(), @@ -1001,13 +1008,15 @@ if not get_option('libusb').auto() or have_system endif libpmem = not_found -if 'CONFIG_LIBPMEM' in config_host - libpmem = declare_dependency(compile_args: config_host['LIBPMEM_CFLAGS'].split(), - link_args: config_host['LIBPMEM_LIBS'].split()) +if not get_option('libpmem').auto() or have_system + libpmem = dependency('libpmem', required: get_option('libpmem'), + method: 'pkg-config', kwargs: static_kwargs) endif libdaxctl = not_found -if 'CONFIG_LIBDAXCTL' in config_host - libdaxctl = declare_dependency(link_args: config_host['LIBDAXCTL_LIBS'].split()) +if not get_option('libdaxctl').auto() or have_system + libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'), + version: '>=57', method: 'pkg-config', + kwargs: static_kwargs) endif tasn1 = not_found if gnutls.found() @@ -1042,10 +1051,12 @@ endif # Check whether the glibc provides statx() -statx_test = ''' +gnu_source_prefix = ''' #ifndef _GNU_SOURCE #define _GNU_SOURCE #endif +''' +statx_test = gnu_source_prefix + ''' #include <sys/stat.h> int main(void) { struct statx statxbuf; @@ -1208,6 +1219,7 @@ if glusterfs.found() config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat) endif config_host_data.set('CONFIG_GTK', gtk.found()) +config_host_data.set('CONFIG_VTE', vte.found()) config_host_data.set('CONFIG_LIBATTR', have_old_libattr) config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found()) config_host_data.set('CONFIG_EBPF', libbpf.found()) @@ -1244,16 +1256,150 @@ config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0] config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1]) config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2]) +config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device) + +# has_header +config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h')) +config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h')) +config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h')) config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h')) config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h')) config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h')) +config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h')) config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h')) config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h')) -config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>')) -config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device) -config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h')) +# has_function +config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4')) +config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime')) +config_host_data.set('CONFIG_DUP3', cc.has_function('dup3')) +config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate')) +config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate')) +config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign')) +config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll')) config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>')) +config_host_data.set('CONFIG_SEM_TIMEDWAIT', cc.has_function('sem_timedwait', dependencies: threads)) +config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile')) +config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare')) +config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs')) +config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range')) +config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create')) +config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range')) +config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util)) +config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul')) +config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>')) + +# has_header_symbol +config_host_data.set('CONFIG_BYTESWAP_H', + cc.has_header_symbol('byteswap.h', 'bswap_32')) +config_host_data.set('CONFIG_EPOLL_CREATE1', + cc.has_header_symbol('sys/epoll.h', 'epoll_create1')) +config_host_data.set('CONFIG_HAS_ENVIRON', + cc.has_header_symbol('unistd.h', 'environ', prefix: gnu_source_prefix)) +config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE', + cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and + cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE')) +config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE', + cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE')) +config_host_data.set('CONFIG_FIEMAP', + cc.has_header('linux/fiemap.h') and + cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP')) +config_host_data.set('CONFIG_GETRANDOM', + cc.has_function('getrandom') and + cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK')) +config_host_data.set('CONFIG_INOTIFY', + cc.has_header_symbol('sys/inotify.h', 'inotify_init')) +config_host_data.set('CONFIG_INOTIFY1', + cc.has_header_symbol('sys/inotify.h', 'inotify_init1')) +config_host_data.set('CONFIG_MACHINE_BSWAP_H', + cc.has_header_symbol('machine/bswap.h', 'bswap32', + prefix: '''#include <sys/endian.h> + #include <sys/types.h>''')) +config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK', + cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK')) +config_host_data.set('CONFIG_RTNETLINK', + cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN')) +config_host_data.set('CONFIG_SYSMACROS', + cc.has_header_symbol('sys/sysmacros.h', 'makedev')) +config_host_data.set('HAVE_OPTRESET', + cc.has_header_symbol('getopt.h', 'optreset')) +config_host_data.set('HAVE_UTMPX', + cc.has_header_symbol('utmpx.h', 'struct utmpx')) + +# has_member +config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID', + cc.has_member('struct sigevent', 'sigev_notify_thread_id', + prefix: '#include <signal.h>')) +config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM', + cc.has_member('struct stat', 'st_atim', + prefix: '#include <sys/stat.h>')) + +config_host_data.set('CONFIG_EVENTFD', cc.compiles(''' + #include <sys/eventfd.h> + int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }''')) +config_host_data.set('CONFIG_FDATASYNC', cc.compiles(gnu_source_prefix + ''' + #include <unistd.h> + int main(void) { + #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0 + return fdatasync(0); + #else + #error Not supported + #endif + }''')) +config_host_data.set('CONFIG_MADVISE', cc.compiles(gnu_source_prefix + ''' + #include <sys/types.h> + #include <sys/mman.h> + #include <stddef.h> + int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')) +config_host_data.set('CONFIG_MEMFD', cc.compiles(gnu_source_prefix + ''' + #include <sys/mman.h> + int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }''')) +config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.compiles(gnu_source_prefix + ''' + #include <fcntl.h> + #if !defined(AT_EMPTY_PATH) + # error missing definition + #else + int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); } + #endif''')) +config_host_data.set('CONFIG_PIPE2', cc.compiles(gnu_source_prefix + ''' + #include <unistd.h> + #include <fcntl.h> + + int main(void) + { + int pipefd[2]; + return pipe2(pipefd, O_CLOEXEC); + }''')) +config_host_data.set('CONFIG_POSIX_MADVISE', cc.compiles(gnu_source_prefix + ''' + #include <sys/mman.h> + #include <stddef.h> + int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }''')) +config_host_data.set('CONFIG_SIGNALFD', cc.compiles(gnu_source_prefix + ''' + #include <unistd.h> + #include <sys/syscall.h> + #include <signal.h> + int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }''')) +config_host_data.set('CONFIG_SPLICE', cc.compiles(gnu_source_prefix + ''' + #include <unistd.h> + #include <fcntl.h> + #include <limits.h> + + int main(void) + { + int len, fd = 0; + len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK); + splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE); + return 0; + }''')) + +# Some versions of Mac OS X incorrectly define SIZE_MAX +config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles(''' + #include <stdint.h> + #include <stdio.h> + int main(int argc, char *argv[]) { + return printf("%zu", SIZE_MAX); + }''', args: ['-Werror'])) + ignored = ['CONFIG_QEMU_INTERP_PREFIX'] # actually per-target arrays = ['CONFIG_AUDIO_DRIVERS', 'CONFIG_BDRV_RW_WHITELIST', 'CONFIG_BDRV_RO_WHITELIST'] @@ -1322,10 +1468,11 @@ if link_language == 'cpp' } endif +have_ivshmem = config_host_data.get('CONFIG_EVENTFD') host_kconfig = \ ('CONFIG_TPM' in config_host ? ['CONFIG_TPM=y'] : []) + \ ('CONFIG_SPICE' in config_host ? ['CONFIG_SPICE=y'] : []) + \ - ('CONFIG_IVSHMEM' in config_host ? ['CONFIG_IVSHMEM=y'] : []) + \ + (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \ ('CONFIG_OPENGL' in config_host ? ['CONFIG_OPENGL=y'] : []) + \ (x11.found() ? ['CONFIG_X11=y'] : []) + \ ('CONFIG_VHOST_USER' in config_host ? ['CONFIG_VHOST_USER=y'] : []) + \ @@ -1987,7 +2134,7 @@ util_ss.add_all(trace_ss) util_ss = util_ss.apply(config_all, strict: false) libqemuutil = static_library('qemuutil', sources: util_ss.sources() + stub_ss.sources() + genh, - dependencies: [util_ss.dependencies(), libm, glib, socket, malloc, pixman]) + dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman]) qemuutil = declare_dependency(link_with: libqemuutil, sources: genh + version_res) @@ -2360,8 +2507,7 @@ foreach target : target_dirs endif foreach exe: execs exe_name = exe['name'] - exe_sign = 'CONFIG_HVF' in config_target - if exe_sign + if targetos == 'darwin' exe_name += '-unsigned' endif @@ -2375,7 +2521,13 @@ foreach target : target_dirs link_args: link_args, gui_app: exe['gui']) - if exe_sign + if 'CONFIG_HVF' in config_target + entitlements = meson.current_source_dir() / 'accel/hvf/entitlements.plist' + else + entitlements = '/dev/null' + endif + if targetos == 'darwin' + icon = meson.current_source_dir() / 'pc-bios/qemu.rsrc' emulators += {exe['name'] : custom_target(exe['name'], depends: emulator, output: exe['name'], @@ -2383,14 +2535,14 @@ foreach target : target_dirs meson.current_source_dir() / 'scripts/entitlement.sh', meson.current_build_dir() / exe_name, meson.current_build_dir() / exe['name'], - meson.current_source_dir() / 'accel/hvf/entitlements.plist' + entitlements, icon ]) } meson.add_install_script('scripts/entitlement.sh', '--install', get_option('bindir') / exe_name, get_option('bindir') / exe['name'], - meson.current_source_dir() / 'accel/hvf/entitlements.plist') + entitlements, icon) else emulators += {exe['name']: emulator} endif @@ -2476,7 +2628,7 @@ if have_tools install: true) endif - if 'CONFIG_IVSHMEM' in config_host + if have_ivshmem subdir('contrib/ivshmem-client') subdir('contrib/ivshmem-server') endif @@ -2613,7 +2765,6 @@ if targetos == 'windows' summary_info += {'Windows SDK': config_host['WIN_SDK']} endif endif -summary_info += {'ARFLAGS': config_host['ARFLAGS']} summary_info += {'CFLAGS': ' '.join(get_option('c_args') + ['-O' + get_option('optimization')] + (get_option('debug') ? ['-g'] : []))} @@ -2634,10 +2785,6 @@ summary_info += {'PIE': get_option('b_pie')} summary_info += {'static build': config_host.has_key('CONFIG_STATIC')} summary_info += {'malloc trim support': has_malloc_trim} summary_info += {'membarrier': config_host.has_key('CONFIG_MEMBARRIER')} -summary_info += {'fdatasync': config_host.has_key('CONFIG_FDATASYNC')} -summary_info += {'madvise': config_host.has_key('CONFIG_MADVISE')} -summary_info += {'posix_madvise': config_host.has_key('CONFIG_POSIX_MADVISE')} -summary_info += {'posix_memalign': config_host.has_key('CONFIG_POSIX_MEMALIGN')} summary_info += {'debug stack usage': config_host.has_key('CONFIG_DEBUG_STACK_USAGE')} summary_info += {'mutex debugging': config_host.has_key('CONFIG_DEBUG_MUTEX')} summary_info += {'memory allocator': get_option('malloc')} @@ -2756,7 +2903,7 @@ summary_info += {'SDL image support': sdl_image.found()} summary_info += {'GTK support': gtk.found()} summary_info += {'pixman': pixman.found()} # TODO: add back version -summary_info += {'VTE support': config_host.has_key('CONFIG_VTE')} +summary_info += {'VTE support': vte.found()} # TODO: add back version summary_info += {'slirp support': slirp_opt == 'disabled' ? false : slirp_opt} summary_info += {'libtasn1': tasn1.found()} @@ -2764,7 +2911,7 @@ summary_info += {'PAM': pam.found()} summary_info += {'iconv support': iconv.found()} summary_info += {'curses support': curses.found()} # TODO: add back version -summary_info += {'virgl support': config_host.has_key('CONFIG_VIRGL')} +summary_info += {'virgl support': virgl.found()} summary_info += {'curl support': curl.found()} summary_info += {'Multipath support': mpathpersist.found()} summary_info += {'VNC support': vnc.found()} @@ -2777,7 +2924,7 @@ summary_info += {'brlapi support': brlapi.found()} summary_info += {'vde support': config_host.has_key('CONFIG_VDE')} summary_info += {'netmap support': config_host.has_key('CONFIG_NETMAP')} summary_info += {'Linux AIO support': config_host.has_key('CONFIG_LINUX_AIO')} -summary_info += {'Linux io_uring support': config_host.has_key('CONFIG_LINUX_IO_URING')} +summary_info += {'Linux io_uring support': linux_io_uring.found()} summary_info += {'ATTR/XATTR support': libattr.found()} summary_info += {'RDMA support': config_host.has_key('CONFIG_RDMA')} summary_info += {'PVRDMA support': config_host.has_key('CONFIG_PVRDMA')} @@ -2812,10 +2959,10 @@ summary_info += {'bzip2 support': libbzip2.found()} summary_info += {'lzfse support': liblzfse.found()} summary_info += {'zstd support': zstd.found()} summary_info += {'NUMA host support': config_host.has_key('CONFIG_NUMA')} -summary_info += {'libxml2': config_host.has_key('CONFIG_LIBXML2')} +summary_info += {'libxml2': libxml2.found()} summary_info += {'capstone': capstone_opt == 'disabled' ? false : capstone_opt} -summary_info += {'libpmem support': config_host.has_key('CONFIG_LIBPMEM')} -summary_info += {'libdaxctl support': config_host.has_key('CONFIG_LIBDAXCTL')} +summary_info += {'libpmem support': libpmem.found()} +summary_info += {'libdaxctl support': libdaxctl.found()} summary_info += {'libudev': libudev.found()} summary_info += {'FUSE lseek': fuse_lseek.found()} summary(summary_info, bool_yn: true, section: 'Dependencies') diff --git a/meson_options.txt b/meson_options.txt index f7ec9be..a9a9b8f 100644 --- a/meson_options.txt +++ b/meson_options.txt @@ -84,10 +84,18 @@ option('nettle', type : 'feature', value : 'auto', description: 'nettle cryptography support') option('gcrypt', type : 'feature', value : 'auto', description: 'libgcrypt cryptography support') +option('libdaxctl', type : 'feature', value : 'auto', + description: 'libdaxctl support') +option('libpmem', type : 'feature', value : 'auto', + description: 'libpmem support') option('libudev', type : 'feature', value : 'auto', description: 'Use libudev to enumerate host devices') option('libusb', type : 'feature', value : 'auto', description: 'libusb support for USB passthrough') +option('libxml2', type : 'feature', value : 'auto', + description: 'libxml2 support for Parallels image format') +option('linux_io_uring', type : 'feature', value : 'auto', + description: 'Linux io_uring support') option('lzfse', type : 'feature', value : 'auto', description: 'lzfse support for DMG images') option('lzo', type : 'feature', value : 'auto', @@ -110,6 +118,8 @@ option('u2f', type : 'feature', value : 'auto', description: 'U2F emulation support') option('usb_redir', type : 'feature', value : 'auto', description: 'libusbredir support') +option('virglrenderer', type : 'feature', value : 'auto', + description: 'virgl rendering support') option('vnc', type : 'feature', value : 'enabled', description: 'VNC server') option('vnc_jpeg', type : 'feature', value : 'auto', @@ -118,6 +128,8 @@ option('vnc_png', type : 'feature', value : 'auto', description: 'PNG compression for VNC server') option('vnc_sasl', type : 'feature', value : 'auto', description: 'SASL authentication for VNC server') +option('vte', type : 'feature', value : 'auto', + description: 'vte support for the gtk UI') option('xkbcommon', type : 'feature', value : 'auto', description: 'xkbcommon support') option('zstd', type : 'feature', value : 'auto', diff --git a/migration/migration.c b/migration/migration.c index 4228635..5ff7ba9 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -456,10 +456,6 @@ static void qemu_start_incoming_migration(const char *uri, Error **errp) { const char *p = NULL; - if (!yank_register_instance(MIGRATION_YANK_INSTANCE, errp)) { - return; - } - qapi_event_send_migration(MIGRATION_STATUS_SETUP); if (strstart(uri, "tcp:", &p) || strstart(uri, "unix:", NULL) || @@ -474,7 +470,6 @@ static void qemu_start_incoming_migration(const char *uri, Error **errp) } else if (strstart(uri, "fd:", &p)) { fd_start_incoming_migration(p, errp); } else { - yank_unregister_instance(MIGRATION_YANK_INSTANCE); error_setg(errp, "unknown migration protocol: %s", uri); } } @@ -2083,9 +2078,14 @@ void qmp_migrate_incoming(const char *uri, Error **errp) return; } + if (!yank_register_instance(MIGRATION_YANK_INSTANCE, errp)) { + return; + } + qemu_start_incoming_migration(uri, &local_err); if (local_err) { + yank_unregister_instance(MIGRATION_YANK_INSTANCE); error_propagate(errp, local_err); return; } @@ -2097,6 +2097,13 @@ void qmp_migrate_recover(const char *uri, Error **errp) { MigrationIncomingState *mis = migration_incoming_get_current(); + /* + * Don't even bother to use ERRP_GUARD() as it _must_ always be set by + * callers (no one should ignore a recover failure); if there is, it's a + * programming error. + */ + assert(errp); + if (mis->state != MIGRATION_STATUS_POSTCOPY_PAUSED) { error_setg(errp, "Migrate recover can only be run " "when postcopy is paused."); @@ -2114,8 +2121,13 @@ void qmp_migrate_recover(const char *uri, Error **errp) * only re-setup the migration stream and poke existing migration * to continue using that newly established channel. */ - yank_unregister_instance(MIGRATION_YANK_INSTANCE); qemu_start_incoming_migration(uri, errp); + + /* Safe to dereference with the assert above */ + if (*errp) { + /* Reset the flag so user could still retry */ + qatomic_set(&mis->postcopy_recover_triggered, false); + } } void qmp_migrate_pause(Error **errp) @@ -3665,6 +3677,39 @@ bool migration_rate_limit(void) } /* + * if failover devices are present, wait they are completely + * unplugged + */ + +static void qemu_savevm_wait_unplug(MigrationState *s, int old_state, + int new_state) +{ + if (qemu_savevm_state_guest_unplug_pending()) { + migrate_set_state(&s->state, old_state, MIGRATION_STATUS_WAIT_UNPLUG); + + while (s->state == MIGRATION_STATUS_WAIT_UNPLUG && + qemu_savevm_state_guest_unplug_pending()) { + qemu_sem_timedwait(&s->wait_unplug_sem, 250); + } + if (s->state != MIGRATION_STATUS_WAIT_UNPLUG) { + int timeout = 120; /* 30 seconds */ + /* + * migration has been canceled + * but as we have started an unplug we must wait the end + * to be able to plug back the card + */ + while (timeout-- && qemu_savevm_state_guest_unplug_pending()) { + qemu_sem_timedwait(&s->wait_unplug_sem, 250); + } + } + + migrate_set_state(&s->state, MIGRATION_STATUS_WAIT_UNPLUG, new_state); + } else { + migrate_set_state(&s->state, old_state, new_state); + } +} + +/* * Master migration thread on the source VM. * It drives the migration and pumps the data down the outgoing channel. */ @@ -3710,22 +3755,10 @@ static void *migration_thread(void *opaque) qemu_savevm_state_setup(s->to_dst_file); - if (qemu_savevm_state_guest_unplug_pending()) { - migrate_set_state(&s->state, MIGRATION_STATUS_SETUP, - MIGRATION_STATUS_WAIT_UNPLUG); - - while (s->state == MIGRATION_STATUS_WAIT_UNPLUG && - qemu_savevm_state_guest_unplug_pending()) { - qemu_sem_timedwait(&s->wait_unplug_sem, 250); - } - - migrate_set_state(&s->state, MIGRATION_STATUS_WAIT_UNPLUG, - MIGRATION_STATUS_ACTIVE); - } + qemu_savevm_wait_unplug(s, MIGRATION_STATUS_SETUP, + MIGRATION_STATUS_ACTIVE); s->setup_time = qemu_clock_get_ms(QEMU_CLOCK_HOST) - setup_start; - migrate_set_state(&s->state, MIGRATION_STATUS_SETUP, - MIGRATION_STATUS_ACTIVE); trace_migration_thread_setup_complete(); @@ -3833,21 +3866,9 @@ static void *bg_migration_thread(void *opaque) qemu_savevm_state_header(s->to_dst_file); qemu_savevm_state_setup(s->to_dst_file); - if (qemu_savevm_state_guest_unplug_pending()) { - migrate_set_state(&s->state, MIGRATION_STATUS_SETUP, - MIGRATION_STATUS_WAIT_UNPLUG); - - while (s->state == MIGRATION_STATUS_WAIT_UNPLUG && - qemu_savevm_state_guest_unplug_pending()) { - qemu_sem_timedwait(&s->wait_unplug_sem, 250); - } + qemu_savevm_wait_unplug(s, MIGRATION_STATUS_SETUP, + MIGRATION_STATUS_ACTIVE); - migrate_set_state(&s->state, MIGRATION_STATUS_WAIT_UNPLUG, - MIGRATION_STATUS_ACTIVE); - } else { - migrate_set_state(&s->state, MIGRATION_STATUS_SETUP, - MIGRATION_STATUS_ACTIVE); - } s->setup_time = qemu_clock_get_ms(QEMU_CLOCK_HOST) - setup_start; trace_migration_thread_setup_complete(); diff --git a/migration/qemu-file.c b/migration/qemu-file.c index d6e03db..1eacf9e 100644 --- a/migration/qemu-file.c +++ b/migration/qemu-file.c @@ -416,6 +416,11 @@ static int add_to_iovec(QEMUFile *f, const uint8_t *buf, size_t size, { f->iov[f->iovcnt - 1].iov_len += size; } else { + if (f->iovcnt >= MAX_IOV_SIZE) { + /* Should only happen if a previous fflush failed */ + assert(f->shutdown || !qemu_file_is_writable(f)); + return 1; + } if (may_free) { set_bit(f->iovcnt, f->may_free); } diff --git a/migration/rdma.c b/migration/rdma.c index d90b29a..b6cc4be 100644 --- a/migration/rdma.c +++ b/migration/rdma.c @@ -1006,7 +1006,7 @@ route: if (cm_event->event != RDMA_CM_EVENT_ADDR_RESOLVED) { ERROR(errp, "result not equal to event_addr_resolved %s", rdma_event_str(cm_event->event)); - perror("rdma_resolve_addr"); + error_report("rdma_resolve_addr"); rdma_ack_cm_event(cm_event); ret = -EINVAL; goto err_resolve_get_addr; @@ -2544,7 +2544,7 @@ static int qemu_rdma_connect(RDMAContext *rdma, Error **errp, bool return_path) } if (cm_event->event != RDMA_CM_EVENT_ESTABLISHED) { - perror("rdma_get_cm_event != EVENT_ESTABLISHED after rdma_connect"); + error_report("rdma_get_cm_event != EVENT_ESTABLISHED after rdma_connect"); ERROR(errp, "connecting to destination!"); rdma_ack_cm_event(cm_event); goto err_rdma_source_connect; diff --git a/qemu-options.hx b/qemu-options.hx index ba3ca9d..8965dab 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -1783,11 +1783,12 @@ DEF("display", HAS_ARG, QEMU_OPTION_display, "-display spice-app[,gl=on|off]\n" #endif #if defined(CONFIG_SDL) - "-display sdl[,alt_grab=on|off][,ctrl_grab=on|off]\n" - " [,window_close=on|off][,gl=on|core|es|off]\n" + "-display sdl[,alt_grab=on|off][,ctrl_grab=on|off][,gl=on|core|es|off]\n" + " [,show-cursor=on|off][,window-close=on|off]\n" #endif #if defined(CONFIG_GTK) - "-display gtk[,grab_on_hover=on|off][,gl=on|off]|\n" + "-display gtk[,full-screen=on|off][,gl=on|off][,grab-on-hover=on|off]\n" + " [,show-cursor=on|off][,window-close=on|off]\n" #endif #if defined(CONFIG_VNC) "-display vnc=<display>[,<optargs>]\n" @@ -1824,17 +1825,37 @@ SRST application. The Spice server will redirect the serial consoles and QEMU monitors. (Since 4.0) - ``sdl[,window-close=on|off][,gl=on|core|es|off]`` - + ``sdl`` Display video output via SDL (usually in a separate graphics window; see the SDL documentation for other possibilities). + Valid parameters are: + + ``alt_grab=on|off`` : Use Control+Alt+Shift-g to toggle mouse grabbing + + ``ctrl_grab=on|off`` : Use Right-Control-g to toggle mouse grabbing + + ``gl=on|off|core|es`` : Use OpenGL for displaying - ``gtk[,grab-on-hover=on|off][,gl=on|off]`` + ``show-cursor=on|off`` : Force showing the mouse cursor + + ``window-close=on|off`` : Allow to quit qemu with window close button + + ``gtk`` Display video output in a GTK window. This interface provides drop-down menus and other UI elements to configure and control - the VM during runtime. + the VM during runtime. Valid parameters are: + + ``full-screen=on|off`` : Start in fullscreen mode + + ``gl=on|off`` : Use OpenGL for displaying - ``curses [,charset=<encoding>]`` + ``grab-on-hover=on|off`` : Grab keyboard input on mouse hover + + ``show-cursor=on|off`` : Force showing the mouse cursor + + ``window-close=on|off`` : Allow to quit qemu with window close button + + ``curses[,charset=<encoding>]`` Display video output via curses. For graphics device models which support a text mode, QEMU can display this output using a curses/ncurses interface. Nothing is displayed when the graphics @@ -1845,11 +1866,14 @@ SRST ``charset=CP850`` for IBM CP850 encoding. The default is ``CP437``. - ``egl-headless[,rendernode<file>]`` + ``egl-headless[,rendernode=<file>]`` Offload all OpenGL operations to a local DRI device. For any graphical display, this display needs to be paired with either VNC or SPICE displays. + ``vnc=<display>`` + Start a VNC server on display <display> + ``none`` Do not display video output. The guest will still see an emulated graphics card, but its output will not be displayed to @@ -1857,9 +1881,6 @@ SRST that it only affects what is done with video output; -nographic also changes the destination of the serial and parallel port data. - - - ERST DEF("nographic", 0, QEMU_OPTION_nographic, @@ -1910,10 +1931,11 @@ SRST ERST DEF("no-quit", 0, QEMU_OPTION_no_quit, - "-no-quit disable SDL window close capability\n", QEMU_ARCH_ALL) + "-no-quit disable SDL/GTK window close capability (deprecated)\n", QEMU_ARCH_ALL) SRST ``-no-quit`` - Disable SDL window close capability. + Disable window close capability (SDL and GTK only). This option is + deprecated, please use ``-display ...,window-close=off`` instead. ERST DEF("sdl", 0, QEMU_OPTION_sdl, diff --git a/qom/object_interfaces.c b/qom/object_interfaces.c index 4479ee6..ad9b56b 100644 --- a/qom/object_interfaces.c +++ b/qom/object_interfaces.c @@ -42,6 +42,44 @@ bool user_creatable_can_be_deleted(UserCreatable *uc) } } +static void object_set_properties_from_qdict(Object *obj, const QDict *qdict, + Visitor *v, Error **errp) +{ + const QDictEntry *e; + Error *local_err = NULL; + + if (!visit_start_struct(v, NULL, NULL, 0, &local_err)) { + goto out; + } + for (e = qdict_first(qdict); e; e = qdict_next(qdict, e)) { + if (!object_property_set(obj, e->key, v, &local_err)) { + break; + } + } + if (!local_err) { + visit_check_struct(v, &local_err); + } + visit_end_struct(v, NULL); + +out: + if (local_err) { + error_propagate(errp, local_err); + } +} + +void object_set_properties_from_keyval(Object *obj, const QDict *qdict, + bool from_json, Error **errp) +{ + Visitor *v; + if (from_json) { + v = qobject_input_visitor_new(QOBJECT(qdict)); + } else { + v = qobject_input_visitor_new_keyval(QOBJECT(qdict)); + } + object_set_properties_from_qdict(obj, qdict, v, errp); + visit_free(v); +} + Object *user_creatable_add_type(const char *type, const char *id, const QDict *qdict, Visitor *v, Error **errp) @@ -49,7 +87,6 @@ Object *user_creatable_add_type(const char *type, const char *id, ERRP_GUARD(); Object *obj; ObjectClass *klass; - const QDictEntry *e; Error *local_err = NULL; if (id != NULL && !id_wellformed(id)) { @@ -78,18 +115,7 @@ Object *user_creatable_add_type(const char *type, const char *id, assert(qdict); obj = object_new(type); - if (!visit_start_struct(v, NULL, NULL, 0, &local_err)) { - goto out; - } - for (e = qdict_first(qdict); e; e = qdict_next(qdict, e)) { - if (!object_property_set(obj, e->key, v, &local_err)) { - break; - } - } - if (!local_err) { - visit_check_struct(v, &local_err); - } - visit_end_struct(v, NULL); + object_set_properties_from_qdict(obj, qdict, v, &local_err); if (local_err) { goto out; } @@ -178,7 +204,7 @@ static void user_creatable_print_types(void) g_slist_free(list); } -static bool user_creatable_print_type_properites(const char *type) +bool type_print_class_properties(const char *type) { ObjectClass *klass; ObjectPropertyIterator iter; @@ -224,7 +250,7 @@ bool user_creatable_print_help(const char *type, QemuOpts *opts) } if (qemu_opt_has_help_opt(opts)) { - return user_creatable_print_type_properites(type); + return type_print_class_properties(type); } return false; @@ -234,7 +260,7 @@ static void user_creatable_print_help_from_qdict(QDict *args) { const char *type = qdict_get_try_str(args, "qom-type"); - if (!type || !user_creatable_print_type_properites(type)) { + if (!type || !type_print_class_properties(type)) { user_creatable_print_types(); } } diff --git a/scripts/coverity-scan/COMPONENTS.md b/scripts/coverity-scan/COMPONENTS.md index 02a3447..183f26a 100644 --- a/scripts/coverity-scan/COMPONENTS.md +++ b/scripts/coverity-scan/COMPONENTS.md @@ -21,9 +21,6 @@ hppa i386 ~ (/qemu)?((/include)?/hw/i386/.*|/target/i386/.*|/hw/intc/[^/]*apic[^/]*\.c) -lm32 - ~ (/qemu)?((/include)?/hw/lm32/.*|/target/lm32/.*|/hw/.*/(milkymist|lm32).*) - m68k ~ (/qemu)?((/include)?/hw/m68k/.*|/target/m68k/.*|(/include)?/hw(/.*)?/mcf.*) @@ -60,9 +57,6 @@ tilegx tricore ~ (/qemu)?((/include)?/hw/tricore/.*|/target/tricore/.*) -unicore32 - ~ (/qemu)?((/include)?/hw/unicore32/.*|/target/unicore32/.*) - 9pfs ~ (/qemu)?(/hw/9pfs/.*|/fsdev/.*) diff --git a/scripts/coverity-scan/run-coverity-scan b/scripts/coverity-scan/run-coverity-scan index 6eefb4b..7395bbf 100755 --- a/scripts/coverity-scan/run-coverity-scan +++ b/scripts/coverity-scan/run-coverity-scan @@ -380,15 +380,17 @@ export PATH="$TOOLBIN:$PATH" cd "$SRCDIR" -echo "Doing make distclean..." -make distclean +echo "Nuking build directory..." +rm -rf +build +mkdir +build +cd +build echo "Configuring..." # We configure with a fixed set of enables here to ensure that we don't # accidentally reduce the scope of the analysis by doing the build on # the system that's missing a dependency that we need to build part of # the codebase. -./configure --disable-modules --enable-sdl --enable-gtk \ +../configure --disable-modules --enable-sdl --enable-gtk \ --enable-opengl --enable-vte --enable-gnutls \ --enable-nettle --enable-curses --enable-curl \ --audio-drv-list=oss,alsa,sdl,pa --enable-virtfs \ diff --git a/scripts/entitlement.sh b/scripts/entitlement.sh index f7aaaf2..d2a7079 100755 --- a/scripts/entitlement.sh +++ b/scripts/entitlement.sh @@ -11,6 +11,7 @@ fi SRC="$1" DST="$2" ENTITLEMENT="$3" +ICON="$4" if $in_place; then trap 'rm "$DST.tmp"' exit @@ -20,6 +21,13 @@ else cd "$MESON_INSTALL_DESTDIR_PREFIX" fi -codesign --entitlements "$ENTITLEMENT" --force -s - "$SRC" +if test "$ENTITLEMENT" != '/dev/null'; then + codesign --entitlements "$ENTITLEMENT" --force -s - "$SRC" +fi + +# Add the QEMU icon to the binary on Mac OS +Rez -append "$ICON" -o "$SRC" +SetFile -a C "$SRC" + mv -f "$SRC" "$DST" trap '' exit diff --git a/softmmu/vl.c b/softmmu/vl.c index d99e2cb..a50c857 100644 --- a/softmmu/vl.c +++ b/softmmu/vl.c @@ -145,6 +145,8 @@ static const char *cpu_option; static const char *mem_path; static const char *incoming; static const char *loadvm; +static const char *accelerators; +static QDict *machine_opts_dict; static QTAILQ_HEAD(, ObjectOption) object_opts = QTAILQ_HEAD_INITIALIZER(object_opts); static ram_addr_t maxram_size; static uint64_t ram_slots; @@ -235,21 +237,6 @@ static QemuOptsList qemu_option_rom_opts = { }, }; -static QemuOptsList qemu_machine_opts = { - .name = "machine", - .implied_opt_name = "type", - .merge_lists = true, - .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head), - .desc = { - /* - * no elements => accept any - * sanity checking will happen later - * when setting machine properties - */ - { } - }, -}; - static QemuOptsList qemu_accel_opts = { .name = "accel", .implied_opt_name = "accel", @@ -498,16 +485,6 @@ static QemuOptsList qemu_action_opts = { }, }; -/** - * Get machine options - * - * Returns: machine options (never null). - */ -static QemuOpts *qemu_get_machine_opts(void) -{ - return qemu_find_opts_singleton("machine"); -} - const char *qemu_get_vm_name(void) { return qemu_name; @@ -815,33 +792,6 @@ static MachineClass *find_default_machine(GSList *machines) return default_machineclass; } -static int machine_help_func(QemuOpts *opts, MachineState *machine) -{ - ObjectProperty *prop; - ObjectPropertyIterator iter; - - if (!qemu_opt_has_help_opt(opts)) { - return 0; - } - - object_property_iter_init(&iter, OBJECT(machine)); - while ((prop = object_property_iter_next(&iter))) { - if (!prop->set) { - continue; - } - - printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name, - prop->name, prop->type); - if (prop->description) { - printf(" (%s)\n", prop->description); - } else { - printf("\n"); - } - } - - return 1; -} - static void version(void) { printf("QEMU emulator version " QEMU_FULL_VERSION "\n" @@ -1062,8 +1012,6 @@ static void parse_display(const char *p) * sdl DisplayType needs hand-crafted parser instead of * parse_display_qapi() due to some options not in * DisplayOptions, specifically: - * - frame - * Already deprecated. * - ctrl_grab + alt_grab * Not clear yet what happens to them long-term. Should * replaced by something better or deprecated and dropped. @@ -1091,7 +1039,12 @@ static void parse_display(const char *p) } else { goto invalid_sdl_args; } - } else if (strstart(opts, ",window_close=", &nextopt)) { + } else if (strstart(opts, ",window_close=", &nextopt) || + strstart(opts, ",window-close=", &nextopt)) { + if (strstart(opts, ",window_close=", NULL)) { + warn_report("window_close with an underscore is deprecated," + " please use window-close instead."); + } opts = nextopt; dpy.has_window_close = true; if (strstart(opts, "on", &nextopt)) { @@ -1551,33 +1504,50 @@ static gint machine_class_cmp(gconstpointer a, gconstpointer b) object_class_get_name(OBJECT_CLASS(mc1))); } -static MachineClass *machine_parse(const char *name, GSList *machines) +static void machine_help_func(const QDict *qdict) { - MachineClass *mc; - GSList *el; + GSList *machines, *el; + const char *type = qdict_get_try_str(qdict, "type"); - if (is_help_option(name)) { - printf("Supported machines are:\n"); - machines = g_slist_sort(machines, machine_class_cmp); - for (el = machines; el; el = el->next) { - MachineClass *mc = el->data; - if (mc->alias) { - printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name); - } - printf("%-20s %s%s%s\n", mc->name, mc->desc, - mc->is_default ? " (default)" : "", - mc->deprecation_reason ? " (deprecated)" : ""); + machines = object_class_get_list(TYPE_MACHINE, false); + if (type) { + ObjectClass *machine_class = OBJECT_CLASS(find_machine(type, machines)); + if (machine_class) { + type_print_class_properties(object_class_get_name(machine_class)); + return; } - exit(0); } - mc = find_machine(name, machines); - if (!mc) { - error_report("unsupported machine type"); - error_printf("Use -machine help to list supported machines\n"); - exit(1); + printf("Supported machines are:\n"); + machines = g_slist_sort(machines, machine_class_cmp); + for (el = machines; el; el = el->next) { + MachineClass *mc = el->data; + if (mc->alias) { + printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name); + } + printf("%-20s %s%s%s\n", mc->name, mc->desc, + mc->is_default ? " (default)" : "", + mc->deprecation_reason ? " (deprecated)" : ""); } - return mc; +} + +static void +machine_parse_property_opt(QemuOptsList *opts_list, const char *propname, + const char *arg, Error **errp) +{ + QDict *opts, *prop; + bool help = false; + ERRP_GUARD(); + + prop = keyval_parse(arg, opts_list->implied_opt_name, &help, errp); + if (help) { + qemu_opts_print_help(opts_list, true); + return; + } + opts = qdict_new(); + qdict_put(opts, propname, prop); + keyval_merge(machine_opts_dict, opts, errp); + qobject_unref(opts); } static const char *pid_file; @@ -1630,32 +1600,31 @@ static const QEMUOption *lookup_opt(int argc, char **argv, return popt; } -static MachineClass *select_machine(void) +static MachineClass *select_machine(QDict *qdict, Error **errp) { + const char *optarg = qdict_get_try_str(qdict, "type"); GSList *machines = object_class_get_list(TYPE_MACHINE, false); - MachineClass *machine_class = find_default_machine(machines); - const char *optarg; - QemuOpts *opts; - Location loc; - - loc_push_none(&loc); - - opts = qemu_get_machine_opts(); - qemu_opts_loc_restore(opts); + MachineClass *machine_class; + Error *local_err = NULL; - optarg = qemu_opt_get(opts, "type"); if (optarg) { - machine_class = machine_parse(optarg, machines); - } - - if (!machine_class) { - error_report("No machine specified, and there is no default"); - error_printf("Use -machine help to list supported machines\n"); - exit(1); + machine_class = find_machine(optarg, machines); + qdict_del(qdict, "type"); + if (!machine_class) { + error_setg(&local_err, "unsupported machine type"); + } + } else { + machine_class = find_default_machine(machines); + if (!machine_class) { + error_setg(&local_err, "No machine specified, and there is no default"); + } } - loc_pop(&loc); g_slist_free(machines); + if (local_err) { + error_append_hint(&local_err, "Use -machine help to list supported machines\n"); + error_propagate(errp, local_err); + } return machine_class; } @@ -1674,42 +1643,70 @@ static int object_parse_property_opt(Object *obj, return 0; } -static int machine_set_property(void *opaque, - const char *name, const char *value, - Error **errp) +/* *Non*recursively replace underscores with dashes in QDict keys. */ +static void keyval_dashify(QDict *qdict, Error **errp) { - g_autofree char *qom_name = g_strdup(name); + const QDictEntry *ent, *next; char *p; - for (p = qom_name; *p; p++) { - if (*p == '_') { - *p = '-'; + for (ent = qdict_first(qdict); ent; ent = next) { + g_autofree char *new_key = NULL; + + next = qdict_next(qdict, ent); + if (!strchr(ent->key, '_')) { + continue; + } + new_key = g_strdup(ent->key); + for (p = new_key; *p; p++) { + if (*p == '_') { + *p = '-'; + } + } + if (qdict_haskey(qdict, new_key)) { + error_setg(errp, "Conflict between '%s' and '%s'", ent->key, new_key); + return; } + qobject_ref(ent->value); + qdict_put_obj(qdict, new_key, ent->value); + qdict_del(qdict, ent->key); } +} + +static void qemu_apply_legacy_machine_options(QDict *qdict) +{ + const char *value; + + keyval_dashify(qdict, &error_fatal); /* Legacy options do not correspond to MachineState properties. */ - if (g_str_equal(qom_name, "accel")) { - return 0; + value = qdict_get_try_str(qdict, "accel"); + if (value) { + accelerators = g_strdup(value); + qdict_del(qdict, "accel"); } - if (g_str_equal(qom_name, "igd-passthru")) { - object_register_sugar_prop(ACCEL_CLASS_NAME("xen"), qom_name, value, + + value = qdict_get_try_str(qdict, "igd-passthru"); + if (value) { + object_register_sugar_prop(ACCEL_CLASS_NAME("xen"), "igd-passthru", value, false); - return 0; + qdict_del(qdict, "igd-passthru"); } - if (g_str_equal(qom_name, "kvm-shadow-mem")) { - object_register_sugar_prop(ACCEL_CLASS_NAME("kvm"), qom_name, value, + + value = qdict_get_try_str(qdict, "kvm-shadow-mem"); + if (value) { + object_register_sugar_prop(ACCEL_CLASS_NAME("kvm"), "kvm-shadow-mem", value, false); - return 0; + qdict_del(qdict, "kvm-shadow-mem"); } - if (g_str_equal(qom_name, "kernel-irqchip")) { - object_register_sugar_prop(ACCEL_CLASS_NAME("kvm"), qom_name, value, + + value = qdict_get_try_str(qdict, "kernel-irqchip"); + if (value) { + object_register_sugar_prop(ACCEL_CLASS_NAME("kvm"), "kernel-irqchip", value, false); - object_register_sugar_prop(ACCEL_CLASS_NAME("whpx"), qom_name, value, + object_register_sugar_prop(ACCEL_CLASS_NAME("whpx"), "kernel-irqchip", value, false); - return 0; + qdict_del(qdict, "kernel-irqchip"); } - - return object_parse_property_opt(opaque, name, value, "type", errp); } static void object_option_foreach_add(bool (*type_opt_predicate)(const char *)) @@ -1824,16 +1821,14 @@ static bool object_create_early(const char *type) return true; } -static void qemu_apply_machine_options(void) +static void qemu_apply_machine_options(QDict *qdict) { MachineClass *machine_class = MACHINE_GET_CLASS(current_machine); - QemuOpts *machine_opts = qemu_get_machine_opts(); const char *boot_order = NULL; const char *boot_once = NULL; QemuOpts *opts; - qemu_opt_foreach(machine_opts, machine_set_property, current_machine, - &error_fatal); + object_set_properties_from_keyval(OBJECT(current_machine), qdict, false, &error_fatal); current_machine->ram_size = ram_size; current_machine->maxram_size = maxram_size; current_machine->ram_slots = ram_slots; @@ -1862,10 +1857,14 @@ static void qemu_apply_machine_options(void) current_machine->boot_once = boot_once; if (semihosting_enabled() && !semihosting_get_argc()) { - const char *kernel_filename = qemu_opt_get(machine_opts, "kernel"); - const char *kernel_cmdline = qemu_opt_get(machine_opts, "append") ?: ""; /* fall back to the -kernel/-append */ - semihosting_arg_fallback(kernel_filename, kernel_cmdline); + semihosting_arg_fallback(current_machine->kernel_filename, current_machine->kernel_cmdline); + } + + if (current_machine->smp.cpus > 1) { + Error *blocker = NULL; + error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp"); + replay_add_blocker(blocker); } } @@ -1921,8 +1920,7 @@ static void qemu_create_early_backends(void) /* * Note: we need to create audio and block backends before - * machine_set_property(), so machine properties can refer to - * them. + * setting machine properties, so they can be referred to. */ configure_blockdev(&bdo_queue, machine_class, snapshot); audio_init_audiodevs(); @@ -2088,16 +2086,14 @@ static void set_memory_options(MachineClass *mc) loc_pop(&loc); } -static void qemu_create_machine(MachineClass *machine_class) +static void qemu_create_machine(QDict *qdict) { + MachineClass *machine_class = select_machine(qdict, &error_fatal); object_set_machine_compat_props(machine_class->compat_props); set_memory_options(machine_class); current_machine = MACHINE(object_new_with_class(OBJECT_CLASS(machine_class))); - if (machine_help_func(qemu_get_machine_opts(), current_machine)) { - exit(0); - } object_property_add_child(object_get_root(), "machine", OBJECT(current_machine)); object_property_add_child(container_get(OBJECT(current_machine), @@ -2120,16 +2116,17 @@ static void qemu_create_machine(MachineClass *machine_class) qemu_set_hw_version(machine_class->hw_version); } - machine_smp_parse(current_machine, - qemu_opts_find(qemu_find_opts("smp-opts"), NULL), &error_fatal); - /* * Get the default machine options from the machine if it is not already * specified either by the configuration file or by the command line. */ if (machine_class->default_machine_opts) { - qemu_opts_set_defaults(qemu_find_opts("machine"), - machine_class->default_machine_opts, 0); + QDict *default_opts = + keyval_parse(machine_class->default_machine_opts, NULL, NULL, + &error_abort); + object_set_properties_from_keyval(OBJECT(current_machine), default_opts, + false, &error_abort); + qobject_unref(default_opts); } } @@ -2151,7 +2148,8 @@ static int global_init_func(void *opaque, QemuOpts *opts, Error **errp) */ static bool is_qemuopts_group(const char *group) { - if (g_str_equal(group, "object")) { + if (g_str_equal(group, "object") || + g_str_equal(group, "machine")) { return false; } return true; @@ -2164,6 +2162,13 @@ static void qemu_record_config_group(const char *group, QDict *dict, Visitor *v = qobject_input_visitor_new_keyval(QOBJECT(dict)); object_option_add_visitor(v); visit_free(v); + } else if (g_str_equal(group, "machine")) { + /* + * Cannot merge string-valued and type-safe dictionaries, so JSON + * is not accepted yet for -M. + */ + assert(!from_json); + keyval_merge(machine_opts_dict, dict, errp); } else { abort(); } @@ -2294,13 +2299,11 @@ static int do_configure_accelerator(void *opaque, QemuOpts *opts, Error **errp) static void configure_accelerators(const char *progname) { - const char *accelerators; bool init_failed = false; qemu_opts_foreach(qemu_find_opts("icount"), do_configure_icount, NULL, &error_fatal); - accelerators = qemu_opt_get(qemu_get_machine_opts(), "accel"); if (QTAILQ_EMPTY(&qemu_accel_opts.head)) { char **accel_list, **tmp; @@ -2388,12 +2391,11 @@ static void create_default_memdev(MachineState *ms, const char *path) &error_fatal); } -static void qemu_validate_options(void) +static void qemu_validate_options(const QDict *machine_opts) { - QemuOpts *machine_opts = qemu_get_machine_opts(); - const char *kernel_filename = qemu_opt_get(machine_opts, "kernel"); - const char *initrd_filename = qemu_opt_get(machine_opts, "initrd"); - const char *kernel_cmdline = qemu_opt_get(machine_opts, "append"); + const char *kernel_filename = qdict_get_try_str(machine_opts, "kernel"); + const char *initrd_filename = qdict_get_try_str(machine_opts, "initrd"); + const char *kernel_cmdline = qdict_get_try_str(machine_opts, "append"); if (kernel_filename == NULL) { if (kernel_cmdline != NULL) { @@ -2733,7 +2735,6 @@ void qemu_init(int argc, char **argv, char **envp) qemu_add_opts(&qemu_trace_opts); qemu_plugin_add_opts(); qemu_add_opts(&qemu_option_rom_opts); - qemu_add_opts(&qemu_machine_opts); qemu_add_opts(&qemu_accel_opts); qemu_add_opts(&qemu_mem_opts); qemu_add_opts(&qemu_smp_opts); @@ -2774,6 +2775,7 @@ void qemu_init(int argc, char **argv, char **envp) } } + machine_opts_dict = qdict_new(); if (userconfig) { qemu_read_default_config_file(&error_fatal); } @@ -2863,8 +2865,7 @@ void qemu_init(int argc, char **argv, char **envp) parse_display(optarg); break; case QEMU_OPTION_nographic: - olist = qemu_find_opts("machine"); - qemu_opts_parse_noisily(olist, "graphics=off", false); + qdict_put_str(machine_opts_dict, "graphics", "off"); nographic = true; dpy.type = DISPLAY_TYPE_NONE; break; @@ -2888,16 +2889,16 @@ void qemu_init(int argc, char **argv, char **envp) } break; case QEMU_OPTION_kernel: - qemu_opts_set(qemu_find_opts("machine"), "kernel", optarg, &error_abort); + qdict_put_str(machine_opts_dict, "kernel", optarg); break; case QEMU_OPTION_initrd: - qemu_opts_set(qemu_find_opts("machine"), "initrd", optarg, &error_abort); + qdict_put_str(machine_opts_dict, "initrd", optarg); break; case QEMU_OPTION_append: - qemu_opts_set(qemu_find_opts("machine"), "append", optarg, &error_abort); + qdict_put_str(machine_opts_dict, "append", optarg); break; case QEMU_OPTION_dtb: - qemu_opts_set(qemu_find_opts("machine"), "dtb", optarg, &error_abort); + qdict_put_str(machine_opts_dict, "dtb", optarg); break; case QEMU_OPTION_cdrom: drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS); @@ -3007,7 +3008,7 @@ void qemu_init(int argc, char **argv, char **envp) } break; case QEMU_OPTION_bios: - qemu_opts_set(qemu_find_opts("machine"), "firmware", optarg, &error_abort); + qdict_put_str(machine_opts_dict, "firmware", optarg); break; case QEMU_OPTION_singlestep: singlestep = 1; @@ -3234,6 +3235,8 @@ void qemu_init(int argc, char **argv, char **envp) case QEMU_OPTION_no_quit: dpy.has_window_close = true; dpy.window_close = false; + warn_report("-no-quit is deprecated, please use " + "-display ...,window-close=off instead."); break; case QEMU_OPTION_sdl: #ifdef CONFIG_SDL @@ -3276,17 +3279,20 @@ void qemu_init(int argc, char **argv, char **envp) preconfig_requested = true; break; case QEMU_OPTION_enable_kvm: - olist = qemu_find_opts("machine"); - qemu_opts_parse_noisily(olist, "accel=kvm", false); + qdict_put_str(machine_opts_dict, "accel", "kvm"); break; case QEMU_OPTION_M: case QEMU_OPTION_machine: - olist = qemu_find_opts("machine"); - opts = qemu_opts_parse_noisily(olist, optarg, true); - if (!opts) { - exit(1); + { + bool help; + + keyval_parse_into(machine_opts_dict, optarg, "type", &help, &error_fatal); + if (help) { + machine_help_func(machine_opts_dict); + exit(EXIT_SUCCESS); + } + break; } - break; case QEMU_OPTION_accel: accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"), optarg, true); @@ -3313,12 +3319,10 @@ void qemu_init(int argc, char **argv, char **envp) } break; case QEMU_OPTION_usb: - olist = qemu_find_opts("machine"); - qemu_opts_parse_noisily(olist, "usb=on", false); + qdict_put_str(machine_opts_dict, "usb", "on"); break; case QEMU_OPTION_usbdevice: - olist = qemu_find_opts("machine"); - qemu_opts_parse_noisily(olist, "usb=on", false); + qdict_put_str(machine_opts_dict, "usb", "on"); add_device_config(DEV_USB, optarg); break; case QEMU_OPTION_device: @@ -3328,21 +3332,16 @@ void qemu_init(int argc, char **argv, char **envp) } break; case QEMU_OPTION_smp: - if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"), - optarg, true)) { - exit(1); - } + machine_parse_property_opt(qemu_find_opts("smp-opts"), "smp", optarg, &error_fatal); break; case QEMU_OPTION_vnc: vnc_parse(optarg); break; case QEMU_OPTION_no_acpi: - olist = qemu_find_opts("machine"); - qemu_opts_parse_noisily(olist, "acpi=off", false); + qdict_put_str(machine_opts_dict, "acpi", "off"); break; case QEMU_OPTION_no_hpet: - olist = qemu_find_opts("machine"); - qemu_opts_parse_noisily(olist, "hpet=off", false); + qdict_put_str(machine_opts_dict, "hpet", "off"); break; case QEMU_OPTION_no_reboot: olist = qemu_find_opts("action"); @@ -3595,7 +3594,7 @@ void qemu_init(int argc, char **argv, char **envp) */ loc_set_none(); - qemu_validate_options(); + qemu_validate_options(machine_opts_dict); qemu_process_sugar_options(); /* @@ -3628,7 +3627,7 @@ void qemu_init(int argc, char **argv, char **envp) configure_rtc(qemu_find_opts_singleton("rtc")); - qemu_create_machine(select_machine()); + qemu_create_machine(machine_opts_dict); suspend_mux_open(); @@ -3636,12 +3635,14 @@ void qemu_init(int argc, char **argv, char **envp) qemu_create_default_devices(); qemu_create_early_backends(); - qemu_apply_machine_options(); + qemu_apply_legacy_machine_options(machine_opts_dict); + qemu_apply_machine_options(machine_opts_dict); + qobject_unref(machine_opts_dict); phase_advance(PHASE_MACHINE_CREATED); /* * Note: uses machine properties such as kernel-irqchip, must run - * after machine_set_property(). + * after qemu_apply_machine_options. */ configure_accelerators(argv[0]); phase_advance(PHASE_ACCEL_CREATED); diff --git a/target/i386/cpu.c b/target/i386/cpu.c index d8f3ab3..5f595a0 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -1304,53 +1304,37 @@ static const X86RegisterInfo32 x86_reg_info_32[CPU_NB_REGS32] = { }; #undef REGISTER -typedef struct ExtSaveArea { - uint32_t feature, bits; - uint32_t offset, size; -} ExtSaveArea; - -static const ExtSaveArea x86_ext_save_areas[] = { +ExtSaveArea x86_ext_save_areas[XSAVE_STATE_AREA_COUNT] = { [XSTATE_FP_BIT] = { /* x87 FP state component is always enabled if XSAVE is supported */ .feature = FEAT_1_ECX, .bits = CPUID_EXT_XSAVE, - /* x87 state is in the legacy region of the XSAVE area */ - .offset = 0, .size = sizeof(X86LegacyXSaveArea) + sizeof(X86XSaveHeader), }, [XSTATE_SSE_BIT] = { /* SSE state component is always enabled if XSAVE is supported */ .feature = FEAT_1_ECX, .bits = CPUID_EXT_XSAVE, - /* SSE state is in the legacy region of the XSAVE area */ - .offset = 0, .size = sizeof(X86LegacyXSaveArea) + sizeof(X86XSaveHeader), }, [XSTATE_YMM_BIT] = { .feature = FEAT_1_ECX, .bits = CPUID_EXT_AVX, - .offset = offsetof(X86XSaveArea, avx_state), .size = sizeof(XSaveAVX) }, [XSTATE_BNDREGS_BIT] = { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_MPX, - .offset = offsetof(X86XSaveArea, bndreg_state), .size = sizeof(XSaveBNDREG) }, [XSTATE_BNDCSR_BIT] = { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_MPX, - .offset = offsetof(X86XSaveArea, bndcsr_state), .size = sizeof(XSaveBNDCSR) }, [XSTATE_OPMASK_BIT] = { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_AVX512F, - .offset = offsetof(X86XSaveArea, opmask_state), .size = sizeof(XSaveOpmask) }, [XSTATE_ZMM_Hi256_BIT] = { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_AVX512F, - .offset = offsetof(X86XSaveArea, zmm_hi256_state), .size = sizeof(XSaveZMM_Hi256) }, [XSTATE_Hi16_ZMM_BIT] = { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_AVX512F, - .offset = offsetof(X86XSaveArea, hi16_zmm_state), .size = sizeof(XSaveHi16_ZMM) }, [XSTATE_PKRU_BIT] = { .feature = FEAT_7_0_ECX, .bits = CPUID_7_0_ECX_PKU, - .offset = offsetof(X86XSaveArea, pkru_state), .size = sizeof(XSavePKRU) }, }; diff --git a/target/i386/cpu.h b/target/i386/cpu.h index f7fa587..0f7ddbf 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -1305,41 +1305,23 @@ typedef struct XSavePKRU { uint32_t padding; } XSavePKRU; -typedef struct X86XSaveArea { - X86LegacyXSaveArea legacy; - X86XSaveHeader header; - - /* Extended save areas: */ - - /* AVX State: */ - XSaveAVX avx_state; - uint8_t padding[960 - 576 - sizeof(XSaveAVX)]; - /* MPX State: */ - XSaveBNDREG bndreg_state; - XSaveBNDCSR bndcsr_state; - /* AVX-512 State: */ - XSaveOpmask opmask_state; - XSaveZMM_Hi256 zmm_hi256_state; - XSaveHi16_ZMM hi16_zmm_state; - /* PKRU State: */ - XSavePKRU pkru_state; -} X86XSaveArea; - -QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, avx_state) != 0x240); QEMU_BUILD_BUG_ON(sizeof(XSaveAVX) != 0x100); -QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndreg_state) != 0x3c0); QEMU_BUILD_BUG_ON(sizeof(XSaveBNDREG) != 0x40); -QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndcsr_state) != 0x400); QEMU_BUILD_BUG_ON(sizeof(XSaveBNDCSR) != 0x40); -QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, opmask_state) != 0x440); QEMU_BUILD_BUG_ON(sizeof(XSaveOpmask) != 0x40); -QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, zmm_hi256_state) != 0x480); QEMU_BUILD_BUG_ON(sizeof(XSaveZMM_Hi256) != 0x200); -QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, hi16_zmm_state) != 0x680); QEMU_BUILD_BUG_ON(sizeof(XSaveHi16_ZMM) != 0x400); -QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, pkru_state) != 0xA80); QEMU_BUILD_BUG_ON(sizeof(XSavePKRU) != 0x8); +typedef struct ExtSaveArea { + uint32_t feature, bits; + uint32_t offset, size; +} ExtSaveArea; + +#define XSAVE_STATE_AREA_COUNT (XSTATE_PKRU_BIT + 1) + +extern ExtSaveArea x86_ext_save_areas[XSAVE_STATE_AREA_COUNT]; + typedef enum TPRAccess { TPR_ACCESS_READ, TPR_ACCESS_WRITE, @@ -1637,6 +1619,7 @@ typedef struct CPUX86State { uint64_t apic_bus_freq; #if defined(CONFIG_KVM) || defined(CONFIG_HVF) void *xsave_buf; + uint32_t xsave_buf_len; #endif #if defined(CONFIG_KVM) struct kvm_nested_state *nested_state; @@ -2197,8 +2180,8 @@ void x86_cpu_dump_local_apic_state(CPUState *cs, int flags); /* cpu.c */ bool cpu_is_bsp(X86CPU *cpu); -void x86_cpu_xrstor_all_areas(X86CPU *cpu, const X86XSaveArea *buf); -void x86_cpu_xsave_all_areas(X86CPU *cpu, X86XSaveArea *buf); +void x86_cpu_xrstor_all_areas(X86CPU *cpu, const void *buf, uint32_t buflen); +void x86_cpu_xsave_all_areas(X86CPU *cpu, void *buf, uint32_t buflen); void x86_update_hflags(CPUX86State* env); static inline bool hyperv_feat_enabled(X86CPU *cpu, int feat) diff --git a/target/i386/hvf/hvf-cpu.c b/target/i386/hvf/hvf-cpu.c index 8fbc423..333db59 100644 --- a/target/i386/hvf/hvf-cpu.c +++ b/target/i386/hvf/hvf-cpu.c @@ -30,6 +30,33 @@ static void hvf_cpu_max_instance_init(X86CPU *cpu) hvf_get_supported_cpuid(0xC0000000, 0, R_EAX); } +static void hvf_cpu_xsave_init(void) +{ + static bool first = true; + int i; + + if (!first) { + return; + } + first = false; + + /* x87 and SSE states are in the legacy region of the XSAVE area. */ + x86_ext_save_areas[XSTATE_FP_BIT].offset = 0; + x86_ext_save_areas[XSTATE_SSE_BIT].offset = 0; + + for (i = XSTATE_SSE_BIT + 1; i < XSAVE_STATE_AREA_COUNT; i++) { + ExtSaveArea *esa = &x86_ext_save_areas[i]; + + if (esa->size) { + int sz = hvf_get_supported_cpuid(0xd, i, R_EAX); + if (sz != 0) { + assert(esa->size == sz); + esa->offset = hvf_get_supported_cpuid(0xd, i, R_EBX); + } + } + } +} + static void hvf_cpu_instance_init(CPUState *cs) { X86CPU *cpu = X86_CPU(cs); @@ -42,6 +69,8 @@ static void hvf_cpu_instance_init(CPUState *cs) if (cpu->max_features) { hvf_cpu_max_instance_init(cpu); } + + hvf_cpu_xsave_init(); } static void hvf_cpu_accel_class_init(ObjectClass *oc, void *data) diff --git a/target/i386/hvf/hvf.c b/target/i386/hvf/hvf.c index 346dbcc..79ba4ed 100644 --- a/target/i386/hvf/hvf.c +++ b/target/i386/hvf/hvf.c @@ -267,7 +267,14 @@ int hvf_arch_init_vcpu(CPUState *cpu) wvmcs(cpu->hvf->fd, VMCS_TPR_THRESHOLD, 0); x86cpu = X86_CPU(cpu); - x86cpu->env.xsave_buf = qemu_memalign(4096, 4096); + x86cpu->env.xsave_buf_len = 4096; + x86cpu->env.xsave_buf = qemu_memalign(4096, x86cpu->env.xsave_buf_len); + + /* + * The allocated storage must be large enough for all of the + * possible XSAVE state components. + */ + assert(hvf_get_supported_cpuid(0xd, 0, R_ECX) <= x86cpu->env.xsave_buf_len); hv_vcpu_enable_native_msr(cpu->hvf->fd, MSR_STAR, 1); hv_vcpu_enable_native_msr(cpu->hvf->fd, MSR_LSTAR, 1); diff --git a/target/i386/hvf/x86hvf.c b/target/i386/hvf/x86hvf.c index 2ced2c2..05ec1bd 100644 --- a/target/i386/hvf/x86hvf.c +++ b/target/i386/hvf/x86hvf.c @@ -73,14 +73,12 @@ void hvf_get_segment(SegmentCache *qseg, struct vmx_segment *vmx_seg) void hvf_put_xsave(CPUState *cpu_state) { + void *xsave = X86_CPU(cpu_state)->env.xsave_buf; + uint32_t xsave_len = X86_CPU(cpu_state)->env.xsave_buf_len; - struct X86XSaveArea *xsave; + x86_cpu_xsave_all_areas(X86_CPU(cpu_state), xsave, xsave_len); - xsave = X86_CPU(cpu_state)->env.xsave_buf; - - x86_cpu_xsave_all_areas(X86_CPU(cpu_state), xsave); - - if (hv_vcpu_write_fpstate(cpu_state->hvf->fd, (void*)xsave, 4096)) { + if (hv_vcpu_write_fpstate(cpu_state->hvf->fd, xsave, xsave_len)) { abort(); } } @@ -158,15 +156,14 @@ void hvf_put_msrs(CPUState *cpu_state) void hvf_get_xsave(CPUState *cpu_state) { - struct X86XSaveArea *xsave; - - xsave = X86_CPU(cpu_state)->env.xsave_buf; + void *xsave = X86_CPU(cpu_state)->env.xsave_buf; + uint32_t xsave_len = X86_CPU(cpu_state)->env.xsave_buf_len; - if (hv_vcpu_read_fpstate(cpu_state->hvf->fd, (void*)xsave, 4096)) { + if (hv_vcpu_read_fpstate(cpu_state->hvf->fd, xsave, xsave_len)) { abort(); } - x86_cpu_xrstor_all_areas(X86_CPU(cpu_state), xsave); + x86_cpu_xrstor_all_areas(X86_CPU(cpu_state), xsave, xsave_len); } void hvf_get_segments(CPUState *cpu_state) diff --git a/target/i386/kvm/kvm-cpu.c b/target/i386/kvm/kvm-cpu.c index 00369c2..bbe8177 100644 --- a/target/i386/kvm/kvm-cpu.c +++ b/target/i386/kvm/kvm-cpu.c @@ -122,6 +122,34 @@ static void kvm_cpu_max_instance_init(X86CPU *cpu) kvm_arch_get_supported_cpuid(s, 0xC0000000, 0, R_EAX); } +static void kvm_cpu_xsave_init(void) +{ + static bool first = true; + KVMState *s = kvm_state; + int i; + + if (!first) { + return; + } + first = false; + + /* x87 and SSE states are in the legacy region of the XSAVE area. */ + x86_ext_save_areas[XSTATE_FP_BIT].offset = 0; + x86_ext_save_areas[XSTATE_SSE_BIT].offset = 0; + + for (i = XSTATE_SSE_BIT + 1; i < XSAVE_STATE_AREA_COUNT; i++) { + ExtSaveArea *esa = &x86_ext_save_areas[i]; + + if (esa->size) { + int sz = kvm_arch_get_supported_cpuid(s, 0xd, i, R_EAX); + if (sz != 0) { + assert(esa->size == sz); + esa->offset = kvm_arch_get_supported_cpuid(s, 0xd, i, R_EBX); + } + } + } +} + static void kvm_cpu_instance_init(CPUState *cs) { X86CPU *cpu = X86_CPU(cs); @@ -141,6 +169,8 @@ static void kvm_cpu_instance_init(CPUState *cs) if (cpu->max_features) { kvm_cpu_max_instance_init(cpu); } + + kvm_cpu_xsave_init(); } static void kvm_cpu_accel_class_init(ObjectClass *oc, void *data) diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index 04e4ec0..a850354 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -1888,8 +1888,16 @@ int kvm_arch_init_vcpu(CPUState *cs) } if (has_xsave) { - env->xsave_buf = qemu_memalign(4096, sizeof(struct kvm_xsave)); - memset(env->xsave_buf, 0, sizeof(struct kvm_xsave)); + env->xsave_buf_len = sizeof(struct kvm_xsave); + env->xsave_buf = qemu_memalign(4096, env->xsave_buf_len); + memset(env->xsave_buf, 0, env->xsave_buf_len); + + /* + * The allocated storage must be large enough for all of the + * possible XSAVE state components. + */ + assert(kvm_arch_get_supported_cpuid(kvm_state, 0xd, 0, R_ECX) + <= env->xsave_buf_len); } max_nested_state_len = kvm_max_nested_state_length(); @@ -2466,54 +2474,15 @@ static int kvm_put_fpu(X86CPU *cpu) return kvm_vcpu_ioctl(CPU(cpu), KVM_SET_FPU, &fpu); } -#define XSAVE_FCW_FSW 0 -#define XSAVE_FTW_FOP 1 -#define XSAVE_CWD_RIP 2 -#define XSAVE_CWD_RDP 4 -#define XSAVE_MXCSR 6 -#define XSAVE_ST_SPACE 8 -#define XSAVE_XMM_SPACE 40 -#define XSAVE_XSTATE_BV 128 -#define XSAVE_YMMH_SPACE 144 -#define XSAVE_BNDREGS 240 -#define XSAVE_BNDCSR 256 -#define XSAVE_OPMASK 272 -#define XSAVE_ZMM_Hi256 288 -#define XSAVE_Hi16_ZMM 416 -#define XSAVE_PKRU 672 - -#define XSAVE_BYTE_OFFSET(word_offset) \ - ((word_offset) * sizeof_field(struct kvm_xsave, region[0])) - -#define ASSERT_OFFSET(word_offset, field) \ - QEMU_BUILD_BUG_ON(XSAVE_BYTE_OFFSET(word_offset) != \ - offsetof(X86XSaveArea, field)) - -ASSERT_OFFSET(XSAVE_FCW_FSW, legacy.fcw); -ASSERT_OFFSET(XSAVE_FTW_FOP, legacy.ftw); -ASSERT_OFFSET(XSAVE_CWD_RIP, legacy.fpip); -ASSERT_OFFSET(XSAVE_CWD_RDP, legacy.fpdp); -ASSERT_OFFSET(XSAVE_MXCSR, legacy.mxcsr); -ASSERT_OFFSET(XSAVE_ST_SPACE, legacy.fpregs); -ASSERT_OFFSET(XSAVE_XMM_SPACE, legacy.xmm_regs); -ASSERT_OFFSET(XSAVE_XSTATE_BV, header.xstate_bv); -ASSERT_OFFSET(XSAVE_YMMH_SPACE, avx_state); -ASSERT_OFFSET(XSAVE_BNDREGS, bndreg_state); -ASSERT_OFFSET(XSAVE_BNDCSR, bndcsr_state); -ASSERT_OFFSET(XSAVE_OPMASK, opmask_state); -ASSERT_OFFSET(XSAVE_ZMM_Hi256, zmm_hi256_state); -ASSERT_OFFSET(XSAVE_Hi16_ZMM, hi16_zmm_state); -ASSERT_OFFSET(XSAVE_PKRU, pkru_state); - static int kvm_put_xsave(X86CPU *cpu) { CPUX86State *env = &cpu->env; - X86XSaveArea *xsave = env->xsave_buf; + void *xsave = env->xsave_buf; if (!has_xsave) { return kvm_put_fpu(cpu); } - x86_cpu_xsave_all_areas(cpu, xsave); + x86_cpu_xsave_all_areas(cpu, xsave, env->xsave_buf_len); return kvm_vcpu_ioctl(CPU(cpu), KVM_SET_XSAVE, xsave); } @@ -3158,7 +3127,7 @@ static int kvm_get_fpu(X86CPU *cpu) static int kvm_get_xsave(X86CPU *cpu) { CPUX86State *env = &cpu->env; - X86XSaveArea *xsave = env->xsave_buf; + void *xsave = env->xsave_buf; int ret; if (!has_xsave) { @@ -3169,7 +3138,7 @@ static int kvm_get_xsave(X86CPU *cpu) if (ret < 0) { return ret; } - x86_cpu_xrstor_all_areas(cpu, xsave); + x86_cpu_xrstor_all_areas(cpu, xsave, env->xsave_buf_len); return 0; } diff --git a/target/i386/tcg/fpu_helper.c b/target/i386/tcg/fpu_helper.c index 4e11965..74bbe94 100644 --- a/target/i386/tcg/fpu_helper.c +++ b/target/i386/tcg/fpu_helper.c @@ -20,6 +20,7 @@ #include "qemu/osdep.h" #include <math.h> #include "cpu.h" +#include "tcg-cpu.h" #include "exec/helper-proto.h" #include "fpu/softfloat.h" #include "fpu/softfloat-macros.h" diff --git a/target/i386/tcg/tcg-cpu.c b/target/i386/tcg/tcg-cpu.c index 014ebea..e96ec9b 100644 --- a/target/i386/tcg/tcg-cpu.c +++ b/target/i386/tcg/tcg-cpu.c @@ -80,6 +80,24 @@ static void tcg_cpu_class_init(CPUClass *cc) cc->init_accel_cpu = tcg_cpu_init_ops; } +static void tcg_cpu_xsave_init(void) +{ +#define XO(bit, field) \ + x86_ext_save_areas[bit].offset = offsetof(X86XSaveArea, field); + + XO(XSTATE_FP_BIT, legacy); + XO(XSTATE_SSE_BIT, legacy); + XO(XSTATE_YMM_BIT, avx_state); + XO(XSTATE_BNDREGS_BIT, bndreg_state); + XO(XSTATE_BNDCSR_BIT, bndcsr_state); + XO(XSTATE_OPMASK_BIT, opmask_state); + XO(XSTATE_ZMM_Hi256_BIT, zmm_hi256_state); + XO(XSTATE_Hi16_ZMM_BIT, hi16_zmm_state); + XO(XSTATE_PKRU_BIT, pkru_state); + +#undef XO +} + /* * TCG-specific defaults that override all CPU models when using TCG */ @@ -93,6 +111,8 @@ static void tcg_cpu_instance_init(CPUState *cs) X86CPU *cpu = X86_CPU(cs); /* Special cases not set in the X86CPUDefinition structs: */ x86_cpu_apply_props(cpu, tcg_default_props); + + tcg_cpu_xsave_init(); } static void tcg_cpu_accel_class_init(ObjectClass *oc, void *data) diff --git a/target/i386/tcg/tcg-cpu.h b/target/i386/tcg/tcg-cpu.h index 36bd300..53a8494 100644 --- a/target/i386/tcg/tcg-cpu.h +++ b/target/i386/tcg/tcg-cpu.h @@ -19,6 +19,63 @@ #ifndef TCG_CPU_H #define TCG_CPU_H +#define XSAVE_FCW_FSW_OFFSET 0x000 +#define XSAVE_FTW_FOP_OFFSET 0x004 +#define XSAVE_CWD_RIP_OFFSET 0x008 +#define XSAVE_CWD_RDP_OFFSET 0x010 +#define XSAVE_MXCSR_OFFSET 0x018 +#define XSAVE_ST_SPACE_OFFSET 0x020 +#define XSAVE_XMM_SPACE_OFFSET 0x0a0 +#define XSAVE_XSTATE_BV_OFFSET 0x200 +#define XSAVE_AVX_OFFSET 0x240 +#define XSAVE_BNDREG_OFFSET 0x3c0 +#define XSAVE_BNDCSR_OFFSET 0x400 +#define XSAVE_OPMASK_OFFSET 0x440 +#define XSAVE_ZMM_HI256_OFFSET 0x480 +#define XSAVE_HI16_ZMM_OFFSET 0x680 +#define XSAVE_PKRU_OFFSET 0xa80 + +typedef struct X86XSaveArea { + X86LegacyXSaveArea legacy; + X86XSaveHeader header; + + /* Extended save areas: */ + + /* AVX State: */ + XSaveAVX avx_state; + + /* Ensure that XSaveBNDREG is properly aligned. */ + uint8_t padding[XSAVE_BNDREG_OFFSET + - sizeof(X86LegacyXSaveArea) + - sizeof(X86XSaveHeader) + - sizeof(XSaveAVX)]; + + /* MPX State: */ + XSaveBNDREG bndreg_state; + XSaveBNDCSR bndcsr_state; + /* AVX-512 State: */ + XSaveOpmask opmask_state; + XSaveZMM_Hi256 zmm_hi256_state; + XSaveHi16_ZMM hi16_zmm_state; + /* PKRU State: */ + XSavePKRU pkru_state; +} X86XSaveArea; + +QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, legacy.fcw) != XSAVE_FCW_FSW_OFFSET); +QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, legacy.ftw) != XSAVE_FTW_FOP_OFFSET); +QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, legacy.fpip) != XSAVE_CWD_RIP_OFFSET); +QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, legacy.fpdp) != XSAVE_CWD_RDP_OFFSET); +QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, legacy.mxcsr) != XSAVE_MXCSR_OFFSET); +QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, legacy.fpregs) != XSAVE_ST_SPACE_OFFSET); +QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, legacy.xmm_regs) != XSAVE_XMM_SPACE_OFFSET); +QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, avx_state) != XSAVE_AVX_OFFSET); +QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndreg_state) != XSAVE_BNDREG_OFFSET); +QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndcsr_state) != XSAVE_BNDCSR_OFFSET); +QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, opmask_state) != XSAVE_OPMASK_OFFSET); +QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, zmm_hi256_state) != XSAVE_ZMM_HI256_OFFSET); +QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, hi16_zmm_state) != XSAVE_HI16_ZMM_OFFSET); +QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, pkru_state) != XSAVE_PKRU_OFFSET); + bool tcg_cpu_realizefn(CPUState *cs, Error **errp); #endif /* TCG_CPU_H */ diff --git a/target/i386/xsave_helper.c b/target/i386/xsave_helper.c index 818115e..ac61a96 100644 --- a/target/i386/xsave_helper.c +++ b/target/i386/xsave_helper.c @@ -6,14 +6,23 @@ #include "cpu.h" -void x86_cpu_xsave_all_areas(X86CPU *cpu, X86XSaveArea *buf) +void x86_cpu_xsave_all_areas(X86CPU *cpu, void *buf, uint32_t buflen) { CPUX86State *env = &cpu->env; - X86XSaveArea *xsave = buf; + const ExtSaveArea *e, *f; + int i; + X86LegacyXSaveArea *legacy; + X86XSaveHeader *header; uint16_t cwd, swd, twd; - int i; - memset(xsave, 0, sizeof(X86XSaveArea)); + + memset(buf, 0, buflen); + + e = &x86_ext_save_areas[XSTATE_FP_BIT]; + + legacy = buf + e->offset; + header = buf + e->offset + sizeof(*legacy); + twd = 0; swd = env->fpus & ~(7 << 11); swd |= (env->fpstt & 7) << 11; @@ -21,92 +30,222 @@ void x86_cpu_xsave_all_areas(X86CPU *cpu, X86XSaveArea *buf) for (i = 0; i < 8; ++i) { twd |= (!env->fptags[i]) << i; } - xsave->legacy.fcw = cwd; - xsave->legacy.fsw = swd; - xsave->legacy.ftw = twd; - xsave->legacy.fpop = env->fpop; - xsave->legacy.fpip = env->fpip; - xsave->legacy.fpdp = env->fpdp; - memcpy(&xsave->legacy.fpregs, env->fpregs, - sizeof env->fpregs); - xsave->legacy.mxcsr = env->mxcsr; - xsave->header.xstate_bv = env->xstate_bv; - memcpy(&xsave->bndreg_state.bnd_regs, env->bnd_regs, - sizeof env->bnd_regs); - xsave->bndcsr_state.bndcsr = env->bndcs_regs; - memcpy(&xsave->opmask_state.opmask_regs, env->opmask_regs, - sizeof env->opmask_regs); + legacy->fcw = cwd; + legacy->fsw = swd; + legacy->ftw = twd; + legacy->fpop = env->fpop; + legacy->fpip = env->fpip; + legacy->fpdp = env->fpdp; + memcpy(&legacy->fpregs, env->fpregs, + sizeof(env->fpregs)); + legacy->mxcsr = env->mxcsr; for (i = 0; i < CPU_NB_REGS; i++) { - uint8_t *xmm = xsave->legacy.xmm_regs[i]; - uint8_t *ymmh = xsave->avx_state.ymmh[i]; - uint8_t *zmmh = xsave->zmm_hi256_state.zmm_hi256[i]; + uint8_t *xmm = legacy->xmm_regs[i]; + stq_p(xmm, env->xmm_regs[i].ZMM_Q(0)); - stq_p(xmm+8, env->xmm_regs[i].ZMM_Q(1)); - stq_p(ymmh, env->xmm_regs[i].ZMM_Q(2)); - stq_p(ymmh+8, env->xmm_regs[i].ZMM_Q(3)); - stq_p(zmmh, env->xmm_regs[i].ZMM_Q(4)); - stq_p(zmmh+8, env->xmm_regs[i].ZMM_Q(5)); - stq_p(zmmh+16, env->xmm_regs[i].ZMM_Q(6)); - stq_p(zmmh+24, env->xmm_regs[i].ZMM_Q(7)); + stq_p(xmm + 8, env->xmm_regs[i].ZMM_Q(1)); } + header->xstate_bv = env->xstate_bv; + + e = &x86_ext_save_areas[XSTATE_YMM_BIT]; + if (e->size && e->offset) { + XSaveAVX *avx; + + avx = buf + e->offset; + + for (i = 0; i < CPU_NB_REGS; i++) { + uint8_t *ymmh = avx->ymmh[i]; + + stq_p(ymmh, env->xmm_regs[i].ZMM_Q(2)); + stq_p(ymmh + 8, env->xmm_regs[i].ZMM_Q(3)); + } + } + + e = &x86_ext_save_areas[XSTATE_BNDREGS_BIT]; + if (e->size && e->offset) { + XSaveBNDREG *bndreg; + XSaveBNDCSR *bndcsr; + + f = &x86_ext_save_areas[XSTATE_BNDCSR_BIT]; + assert(f->size); + assert(f->offset); + + bndreg = buf + e->offset; + bndcsr = buf + f->offset; + + memcpy(&bndreg->bnd_regs, env->bnd_regs, + sizeof(env->bnd_regs)); + bndcsr->bndcsr = env->bndcs_regs; + } + + e = &x86_ext_save_areas[XSTATE_OPMASK_BIT]; + if (e->size && e->offset) { + XSaveOpmask *opmask; + XSaveZMM_Hi256 *zmm_hi256; +#ifdef TARGET_X86_64 + XSaveHi16_ZMM *hi16_zmm; +#endif + + f = &x86_ext_save_areas[XSTATE_ZMM_Hi256_BIT]; + assert(f->size); + assert(f->offset); + + opmask = buf + e->offset; + zmm_hi256 = buf + f->offset; + + memcpy(&opmask->opmask_regs, env->opmask_regs, + sizeof(env->opmask_regs)); + + for (i = 0; i < CPU_NB_REGS; i++) { + uint8_t *zmmh = zmm_hi256->zmm_hi256[i]; + + stq_p(zmmh, env->xmm_regs[i].ZMM_Q(4)); + stq_p(zmmh + 8, env->xmm_regs[i].ZMM_Q(5)); + stq_p(zmmh + 16, env->xmm_regs[i].ZMM_Q(6)); + stq_p(zmmh + 24, env->xmm_regs[i].ZMM_Q(7)); + } + #ifdef TARGET_X86_64 - memcpy(&xsave->hi16_zmm_state.hi16_zmm, &env->xmm_regs[16], - 16 * sizeof env->xmm_regs[16]); - memcpy(&xsave->pkru_state, &env->pkru, sizeof env->pkru); + f = &x86_ext_save_areas[XSTATE_Hi16_ZMM_BIT]; + assert(f->size); + assert(f->offset); + + hi16_zmm = buf + f->offset; + + memcpy(&hi16_zmm->hi16_zmm, &env->xmm_regs[16], + 16 * sizeof(env->xmm_regs[16])); #endif + } +#ifdef TARGET_X86_64 + e = &x86_ext_save_areas[XSTATE_PKRU_BIT]; + if (e->size && e->offset) { + XSavePKRU *pkru = buf + e->offset; + + memcpy(pkru, &env->pkru, sizeof(env->pkru)); + } +#endif } -void x86_cpu_xrstor_all_areas(X86CPU *cpu, const X86XSaveArea *buf) +void x86_cpu_xrstor_all_areas(X86CPU *cpu, const void *buf, uint32_t buflen) { - CPUX86State *env = &cpu->env; - const X86XSaveArea *xsave = buf; - + const ExtSaveArea *e, *f, *g; int i; + + const X86LegacyXSaveArea *legacy; + const X86XSaveHeader *header; uint16_t cwd, swd, twd; - cwd = xsave->legacy.fcw; - swd = xsave->legacy.fsw; - twd = xsave->legacy.ftw; - env->fpop = xsave->legacy.fpop; + + e = &x86_ext_save_areas[XSTATE_FP_BIT]; + + legacy = buf + e->offset; + header = buf + e->offset + sizeof(*legacy); + + cwd = legacy->fcw; + swd = legacy->fsw; + twd = legacy->ftw; + env->fpop = legacy->fpop; env->fpstt = (swd >> 11) & 7; env->fpus = swd; env->fpuc = cwd; for (i = 0; i < 8; ++i) { env->fptags[i] = !((twd >> i) & 1); } - env->fpip = xsave->legacy.fpip; - env->fpdp = xsave->legacy.fpdp; - env->mxcsr = xsave->legacy.mxcsr; - memcpy(env->fpregs, &xsave->legacy.fpregs, - sizeof env->fpregs); - env->xstate_bv = xsave->header.xstate_bv; - memcpy(env->bnd_regs, &xsave->bndreg_state.bnd_regs, - sizeof env->bnd_regs); - env->bndcs_regs = xsave->bndcsr_state.bndcsr; - memcpy(env->opmask_regs, &xsave->opmask_state.opmask_regs, - sizeof env->opmask_regs); + env->fpip = legacy->fpip; + env->fpdp = legacy->fpdp; + env->mxcsr = legacy->mxcsr; + memcpy(env->fpregs, &legacy->fpregs, + sizeof(env->fpregs)); for (i = 0; i < CPU_NB_REGS; i++) { - const uint8_t *xmm = xsave->legacy.xmm_regs[i]; - const uint8_t *ymmh = xsave->avx_state.ymmh[i]; - const uint8_t *zmmh = xsave->zmm_hi256_state.zmm_hi256[i]; + const uint8_t *xmm = legacy->xmm_regs[i]; + env->xmm_regs[i].ZMM_Q(0) = ldq_p(xmm); - env->xmm_regs[i].ZMM_Q(1) = ldq_p(xmm+8); - env->xmm_regs[i].ZMM_Q(2) = ldq_p(ymmh); - env->xmm_regs[i].ZMM_Q(3) = ldq_p(ymmh+8); - env->xmm_regs[i].ZMM_Q(4) = ldq_p(zmmh); - env->xmm_regs[i].ZMM_Q(5) = ldq_p(zmmh+8); - env->xmm_regs[i].ZMM_Q(6) = ldq_p(zmmh+16); - env->xmm_regs[i].ZMM_Q(7) = ldq_p(zmmh+24); + env->xmm_regs[i].ZMM_Q(1) = ldq_p(xmm + 8); + } + + env->xstate_bv = header->xstate_bv; + + e = &x86_ext_save_areas[XSTATE_YMM_BIT]; + if (e->size && e->offset) { + const XSaveAVX *avx; + + avx = buf + e->offset; + for (i = 0; i < CPU_NB_REGS; i++) { + const uint8_t *ymmh = avx->ymmh[i]; + + env->xmm_regs[i].ZMM_Q(2) = ldq_p(ymmh); + env->xmm_regs[i].ZMM_Q(3) = ldq_p(ymmh + 8); + } + } + + e = &x86_ext_save_areas[XSTATE_BNDREGS_BIT]; + if (e->size && e->offset) { + const XSaveBNDREG *bndreg; + const XSaveBNDCSR *bndcsr; + + f = &x86_ext_save_areas[XSTATE_BNDCSR_BIT]; + assert(f->size); + assert(f->offset); + + bndreg = buf + e->offset; + bndcsr = buf + f->offset; + + memcpy(env->bnd_regs, &bndreg->bnd_regs, + sizeof(env->bnd_regs)); + env->bndcs_regs = bndcsr->bndcsr; } + e = &x86_ext_save_areas[XSTATE_OPMASK_BIT]; + if (e->size && e->offset) { + const XSaveOpmask *opmask; + const XSaveZMM_Hi256 *zmm_hi256; #ifdef TARGET_X86_64 - memcpy(&env->xmm_regs[16], &xsave->hi16_zmm_state.hi16_zmm, - 16 * sizeof env->xmm_regs[16]); - memcpy(&env->pkru, &xsave->pkru_state, sizeof env->pkru); + const XSaveHi16_ZMM *hi16_zmm; #endif + f = &x86_ext_save_areas[XSTATE_ZMM_Hi256_BIT]; + assert(f->size); + assert(f->offset); + + g = &x86_ext_save_areas[XSTATE_Hi16_ZMM_BIT]; + assert(g->size); + assert(g->offset); + + opmask = buf + e->offset; + zmm_hi256 = buf + f->offset; +#ifdef TARGET_X86_64 + hi16_zmm = buf + g->offset; +#endif + + memcpy(env->opmask_regs, &opmask->opmask_regs, + sizeof(env->opmask_regs)); + + for (i = 0; i < CPU_NB_REGS; i++) { + const uint8_t *zmmh = zmm_hi256->zmm_hi256[i]; + + env->xmm_regs[i].ZMM_Q(4) = ldq_p(zmmh); + env->xmm_regs[i].ZMM_Q(5) = ldq_p(zmmh + 8); + env->xmm_regs[i].ZMM_Q(6) = ldq_p(zmmh + 16); + env->xmm_regs[i].ZMM_Q(7) = ldq_p(zmmh + 24); + } + +#ifdef TARGET_X86_64 + memcpy(&env->xmm_regs[16], &hi16_zmm->hi16_zmm, + 16 * sizeof(env->xmm_regs[16])); +#endif + } + +#ifdef TARGET_X86_64 + e = &x86_ext_save_areas[XSTATE_PKRU_BIT]; + if (e->size && e->offset) { + const XSavePKRU *pkru; + + pkru = buf + e->offset; + memcpy(&env->pkru, pkru, sizeof(env->pkru)); + } +#endif } diff --git a/tests/migration/guestperf/engine.py b/tests/migration/guestperf/engine.py index 208e095..7c991c4 100644 --- a/tests/migration/guestperf/engine.py +++ b/tests/migration/guestperf/engine.py @@ -113,7 +113,7 @@ class Engine(object): vcpus = src.command("query-cpus-fast") src_threads = [] for vcpu in vcpus: - src_threads.append(vcpu["thread_id"]) + src_threads.append(vcpu["thread-id"]) # XXX how to get dst timings on remote host ? @@ -153,7 +153,7 @@ class Engine(object): max_bandwidth=scenario._bandwidth * 1024 * 1024) resp = src.command("migrate-set-parameters", - downtime_limit=scenario._downtime / 1024.0) + downtime_limit=scenario._downtime) if scenario._compression_mt: resp = src.command("migrate-set-capabilities", diff --git a/tests/qtest/libqos/virtio-9p.c b/tests/qtest/libqos/virtio-9p.c index be91662..b4e1143 100644 --- a/tests/qtest/libqos/virtio-9p.c +++ b/tests/qtest/libqos/virtio-9p.c @@ -16,6 +16,11 @@ * License along with this library; if not, see <http://www.gnu.org/licenses/> */ +/* + * Not so fast! You might want to read the 9p developer docs first: + * https://wiki.qemu.org/Documentation/9p + */ + #include "qemu/osdep.h" #include "libqtest.h" #include "qemu/module.h" diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c index 2b028df..328d6db 100644 --- a/tests/qtest/migration-test.c +++ b/tests/qtest/migration-test.c @@ -27,6 +27,10 @@ #include "migration-helpers.h" #include "tests/migration/migration-test.h" +#if defined(__linux__) +#include "linux/kvm.h" +#endif + /* TODO actually test the results and get rid of this */ #define qtest_qmp_discard_response(...) qobject_unref(qtest_qmp(__VA_ARGS__)) @@ -467,6 +471,8 @@ typedef struct { bool use_shmem; /* only launch the target process */ bool only_target; + /* Use dirty ring if true; dirty logging otherwise */ + bool use_dirty_ring; char *opts_source; char *opts_target; } MigrateStart; @@ -573,11 +579,13 @@ static int test_migrate_start(QTestState **from, QTestState **to, shmem_opts = g_strdup(""); } - cmd_source = g_strdup_printf("-accel kvm -accel tcg%s%s " + cmd_source = g_strdup_printf("-accel kvm%s -accel tcg%s%s " "-name source,debug-threads=on " "-m %s " "-serial file:%s/src_serial " "%s %s %s %s", + args->use_dirty_ring ? + ",dirty-ring-size=4096" : "", machine_opts ? " -machine " : "", machine_opts ? machine_opts : "", memory_size, tmpfs, @@ -587,12 +595,14 @@ static int test_migrate_start(QTestState **from, QTestState **to, *from = qtest_init(cmd_source); } - cmd_target = g_strdup_printf("-accel kvm -accel tcg%s%s " + cmd_target = g_strdup_printf("-accel kvm%s -accel tcg%s%s " "-name target,debug-threads=on " "-m %s " "-serial file:%s/dest_serial " "-incoming %s " "%s %s %s %s", + args->use_dirty_ring ? + ",dirty-ring-size=4096" : "", machine_opts ? " -machine " : "", machine_opts ? machine_opts : "", memory_size, tmpfs, uri, @@ -785,12 +795,14 @@ static void test_baddest(void) test_migrate_end(from, to, false); } -static void test_precopy_unix(void) +static void test_precopy_unix_common(bool dirty_ring) { g_autofree char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs); MigrateStart *args = migrate_start_new(); QTestState *from, *to; + args->use_dirty_ring = dirty_ring; + if (test_migrate_start(&from, &to, uri, args)) { return; } @@ -825,6 +837,18 @@ static void test_precopy_unix(void) test_migrate_end(from, to, true); } +static void test_precopy_unix(void) +{ + /* Using default dirty logging */ + test_precopy_unix_common(false); +} + +static void test_precopy_unix_dirty_ring(void) +{ + /* Using dirty ring tracking */ + test_precopy_unix_common(true); +} + #if 0 /* Currently upset on aarch64 TCG */ static void test_ignore_shared(void) @@ -1369,6 +1393,29 @@ static void test_multifd_tcp_cancel(void) test_migrate_end(from, to2, true); } +static bool kvm_dirty_ring_supported(void) +{ +#if defined(__linux__) + int ret, kvm_fd = open("/dev/kvm", O_RDONLY); + + if (kvm_fd < 0) { + return false; + } + + ret = ioctl(kvm_fd, KVM_CHECK_EXTENSION, KVM_CAP_DIRTY_LOG_RING); + close(kvm_fd); + + /* We test with 4096 slots */ + if (ret < 4096) { + return false; + } + + return true; +#else + return false; +#endif +} + int main(int argc, char **argv) { char template[] = "/tmp/migration-test-XXXXXX"; @@ -1439,6 +1486,11 @@ int main(int argc, char **argv) qtest_add_func("/migration/multifd/tcp/zstd", test_multifd_tcp_zstd); #endif + if (kvm_dirty_ring_supported()) { + qtest_add_func("/migration/dirty_ring", + test_precopy_unix_dirty_ring); + } + ret = g_test_run(); g_assert_cmpint(ret, ==, 0); diff --git a/tests/qtest/numa-test.c b/tests/qtest/numa-test.c index dc0ec57..c677cd6 100644 --- a/tests/qtest/numa-test.c +++ b/tests/qtest/numa-test.c @@ -25,7 +25,7 @@ static void test_mon_explicit(const void *data) g_autofree char *s = NULL; g_autofree char *cli = NULL; - cli = make_cli(data, "-smp 8 -numa node,nodeid=0,memdev=ram,cpus=0-3 " + cli = make_cli(data, "-machine smp.cpus=8 -numa node,nodeid=0,memdev=ram,cpus=0-3 " "-numa node,nodeid=1,cpus=4-7"); qts = qtest_init(cli); @@ -42,7 +42,7 @@ static void test_def_cpu_split(const void *data) g_autofree char *s = NULL; g_autofree char *cli = NULL; - cli = make_cli(data, "-smp 8 -numa node,memdev=ram -numa node"); + cli = make_cli(data, "-machine smp.cpus=8 -numa node,memdev=ram -numa node"); qts = qtest_init(cli); s = qtest_hmp(qts, "info numa"); @@ -58,7 +58,7 @@ static void test_mon_partial(const void *data) g_autofree char *s = NULL; g_autofree char *cli = NULL; - cli = make_cli(data, "-smp 8 " + cli = make_cli(data, "-machine smp.cpus=8 " "-numa node,nodeid=0,memdev=ram,cpus=0-1 " "-numa node,nodeid=1,cpus=4-5 "); qts = qtest_init(cli); @@ -86,7 +86,7 @@ static void test_query_cpus(const void *data) QTestState *qts; g_autofree char *cli = NULL; - cli = make_cli(data, "-smp 8 -numa node,memdev=ram,cpus=0-3 " + cli = make_cli(data, "-machine smp.cpus=8 -numa node,memdev=ram,cpus=0-3 " "-numa node,cpus=4-7"); qts = qtest_init(cli); cpus = get_cpus(qts, &resp); @@ -124,7 +124,7 @@ static void pc_numa_cpu(const void *data) QTestState *qts; g_autofree char *cli = NULL; - cli = make_cli(data, "-cpu pentium -smp 8,sockets=2,cores=2,threads=2 " + cli = make_cli(data, "-cpu pentium -machine smp.cpus=8,smp.sockets=2,smp.cores=2,smp.threads=2 " "-numa node,nodeid=0,memdev=ram -numa node,nodeid=1 " "-numa cpu,node-id=1,socket-id=0 " "-numa cpu,node-id=0,socket-id=1,core-id=0 " @@ -177,7 +177,7 @@ static void spapr_numa_cpu(const void *data) QTestState *qts; g_autofree char *cli = NULL; - cli = make_cli(data, "-smp 4,cores=4 " + cli = make_cli(data, "-machine smp.cpus=4,smp.cores=4 " "-numa node,nodeid=0,memdev=ram -numa node,nodeid=1 " "-numa cpu,node-id=0,core-id=0 " "-numa cpu,node-id=0,core-id=1 " @@ -222,7 +222,7 @@ static void aarch64_numa_cpu(const void *data) QTestState *qts; g_autofree char *cli = NULL; - cli = make_cli(data, "-smp 2 " + cli = make_cli(data, "-machine smp.cpus=2 " "-numa node,nodeid=0,memdev=ram -numa node,nodeid=1 " "-numa cpu,node-id=1,thread-id=0 " "-numa cpu,node-id=0,thread-id=1"); @@ -265,7 +265,7 @@ static void pc_dynamic_cpu_cfg(const void *data) QTestState *qs; g_autofree char *cli = NULL; - cli = make_cli(data, "-nodefaults --preconfig -smp 2"); + cli = make_cli(data, "-nodefaults --preconfig -machine smp.cpus=2"); qs = qtest_init(cli); /* create 2 numa nodes */ @@ -324,7 +324,7 @@ static void pc_hmat_build_cfg(const void *data) g_autofree char *cli = NULL; cli = make_cli(data, "-nodefaults --preconfig -machine hmat=on " - "-smp 2,sockets=2 " + "-machine smp.cpus=2,smp.sockets=2 " "-m 128M,slots=2,maxmem=1G " "-object memory-backend-ram,size=64M,id=m0 " "-object memory-backend-ram,size=64M,id=m1 " @@ -453,7 +453,7 @@ static void pc_hmat_off_cfg(const void *data) g_autofree char *cli = NULL; cli = make_cli(data, "-nodefaults --preconfig " - "-smp 2,sockets=2 " + "-machine smp.cpus=2,smp.sockets=2 " "-m 128M,slots=2,maxmem=1G " "-object memory-backend-ram,size=64M,id=m0,prealloc=y " "-object memory-backend-ram,size=64M,id=m1 " @@ -492,7 +492,7 @@ static void pc_hmat_erange_cfg(const void *data) g_autofree char *cli = NULL; cli = make_cli(data, "-nodefaults --preconfig -machine hmat=on " - "-smp 2,sockets=2 " + "-machine smp.cpus=2,smp.sockets=2 " "-m 128M,slots=2,maxmem=1G " "-object memory-backend-ram,size=64M,id=m0 " "-object memory-backend-ram,size=64M,id=m1 " diff --git a/tests/qtest/virtio-9p-test.c b/tests/qtest/virtio-9p-test.c index 92a498f..41fed41 100644 --- a/tests/qtest/virtio-9p-test.c +++ b/tests/qtest/virtio-9p-test.c @@ -7,6 +7,11 @@ * See the COPYING file in the top-level directory. */ +/* + * Not so fast! You might want to read the 9p developer docs first: + * https://wiki.qemu.org/Documentation/9p + */ + #include "qemu/osdep.h" #include "libqtest-single.h" #include "qemu/module.h" diff --git a/tests/tcg/hppa/Makefile.target b/tests/tcg/hppa/Makefile.target index 7179123..473864d 100644 --- a/tests/tcg/hppa/Makefile.target +++ b/tests/tcg/hppa/Makefile.target @@ -5,6 +5,3 @@ # On parisc Linux supports 4K/16K/64K (but currently only 4k works) EXTRA_RUNS+=run-test-mmap-4096 # run-test-mmap-16384 run-test-mmap-65536 -# There is a race that causes this to fail about 1% of the time -run-signals: signals - $(call skip-test, $<, "BROKEN awaiting vdso support") diff --git a/tests/tcg/multiarch/Makefile.target b/tests/tcg/multiarch/Makefile.target index 3f283ea..d57a115 100644 --- a/tests/tcg/multiarch/Makefile.target +++ b/tests/tcg/multiarch/Makefile.target @@ -32,6 +32,12 @@ threadcount: LDFLAGS+=-lpthread signals: LDFLAGS+=-lrt -lpthread +# This triggers failures on s390x hosts about 4% of the time +# This triggers failures for hppa-linux about 1% of the time +run-signals: signals + $(call skip-test, $<, "BROKEN awaiting sigframe clean-ups and vdso support") + + # We define the runner for test-mmap after the individual # architectures have defined their supported pages sizes. If no # additional page sizes are defined we only run the default test. diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target index 0036b8a..5d3de1b 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -9,6 +9,3 @@ TESTS+=pack TESTS+=mvo TESTS+=mvc -# This triggers failures on s390x hosts about 4% of the time -run-signals: signals - $(call skip-test, $<, "BROKEN awaiting sigframe clean-ups") diff --git a/tests/unit/test-keyval.c b/tests/unit/test-keyval.c index e20c07c..af0581a 100644 --- a/tests/unit/test-keyval.c +++ b/tests/unit/test-keyval.c @@ -747,6 +747,61 @@ static void test_keyval_visit_any(void) visit_free(v); } +static void test_keyval_merge_dict(void) +{ + QDict *first = keyval_parse("opt1=abc,opt2.sub1=def,opt2.sub2=ghi,opt3=xyz", + NULL, NULL, &error_abort); + QDict *second = keyval_parse("opt1=ABC,opt2.sub2=GHI,opt2.sub3=JKL", + NULL, NULL, &error_abort); + QDict *combined = keyval_parse("opt1=ABC,opt2.sub1=def,opt2.sub2=GHI,opt2.sub3=JKL,opt3=xyz", + NULL, NULL, &error_abort); + Error *err = NULL; + + keyval_merge(first, second, &err); + g_assert(!err); + g_assert(qobject_is_equal(QOBJECT(combined), QOBJECT(first))); + qobject_unref(first); + qobject_unref(second); + qobject_unref(combined); +} + +static void test_keyval_merge_list(void) +{ + QDict *first = keyval_parse("opt1.0=abc,opt2.0=xyz", + NULL, NULL, &error_abort); + QDict *second = keyval_parse("opt1.0=def", + NULL, NULL, &error_abort); + QDict *combined = keyval_parse("opt1.0=abc,opt1.1=def,opt2.0=xyz", + NULL, NULL, &error_abort); + Error *err = NULL; + + keyval_merge(first, second, &err); + g_assert(!err); + g_assert(qobject_is_equal(QOBJECT(combined), QOBJECT(first))); + qobject_unref(first); + qobject_unref(second); + qobject_unref(combined); +} + +static void test_keyval_merge_conflict(void) +{ + QDict *first = keyval_parse("opt2=ABC", + NULL, NULL, &error_abort); + QDict *second = keyval_parse("opt2.sub1=def,opt2.sub2=ghi", + NULL, NULL, &error_abort); + QDict *third = qdict_clone_shallow(first); + Error *err = NULL; + + keyval_merge(first, second, &err); + error_free_or_abort(&err); + keyval_merge(second, third, &err); + error_free_or_abort(&err); + + qobject_unref(first); + qobject_unref(second); + qobject_unref(third); +} + int main(int argc, char *argv[]) { g_test_init(&argc, &argv, NULL); @@ -760,6 +815,9 @@ int main(int argc, char *argv[]) g_test_add_func("/keyval/visit/optional", test_keyval_visit_optional); g_test_add_func("/keyval/visit/alternate", test_keyval_visit_alternate); g_test_add_func("/keyval/visit/any", test_keyval_visit_any); + g_test_add_func("/keyval/merge/dict", test_keyval_merge_dict); + g_test_add_func("/keyval/merge/list", test_keyval_merge_list); + g_test_add_func("/keyval/merge/conflict", test_keyval_merge_conflict); g_test_run(); return 0; } diff --git a/tests/unit/test-qemu-opts.c b/tests/unit/test-qemu-opts.c index 6568e31..828d40e 100644 --- a/tests/unit/test-qemu-opts.c +++ b/tests/unit/test-qemu-opts.c @@ -410,40 +410,6 @@ static void test_qemu_opts_reset(void) g_assert(opts == NULL); } -static void test_qemu_opts_set(void) -{ - QemuOptsList *list; - QemuOpts *opts; - const char *opt; - - list = qemu_find_opts("opts_list_04"); - g_assert(list != NULL); - g_assert(QTAILQ_EMPTY(&list->head)); - g_assert_cmpstr(list->name, ==, "opts_list_04"); - - /* should not find anything at this point */ - opts = qemu_opts_find(list, NULL); - g_assert(opts == NULL); - - /* implicitly create opts and set str3 value */ - qemu_opts_set(list, "str3", "value", &error_abort); - g_assert(!QTAILQ_EMPTY(&list->head)); - - /* get the just created opts */ - opts = qemu_opts_find(list, NULL); - g_assert(opts != NULL); - - /* check the str3 value */ - opt = qemu_opt_get(opts, "str3"); - g_assert_cmpstr(opt, ==, "value"); - - qemu_opts_del(opts); - - /* should not find anything at this point */ - opts = qemu_opts_find(list, NULL); - g_assert(opts == NULL); -} - static int opts_count_iter(void *opaque, const char *name, const char *value, Error **errp) { @@ -1041,7 +1007,6 @@ int main(int argc, char *argv[]) g_test_add_func("/qemu-opts/opt_get_size", test_qemu_opt_get_size); g_test_add_func("/qemu-opts/opt_unset", test_qemu_opt_unset); g_test_add_func("/qemu-opts/opts_reset", test_qemu_opts_reset); - g_test_add_func("/qemu-opts/opts_set", test_qemu_opts_set); g_test_add_func("/qemu-opts/opts_parse/general", test_opts_parse); g_test_add_func("/qemu-opts/opts_parse/bool", test_opts_parse_bool); g_test_add_func("/qemu-opts/opts_parse/number", test_opts_parse_number); diff --git a/tools/virtiofsd/fuse_common.h b/tools/virtiofsd/fuse_common.h index fa96718..0c2665b 100644 --- a/tools/virtiofsd/fuse_common.h +++ b/tools/virtiofsd/fuse_common.h @@ -373,6 +373,11 @@ struct fuse_file_info { #define FUSE_CAP_HANDLE_KILLPRIV_V2 (1 << 28) /** + * Indicates that file server supports extended struct fuse_setxattr_in + */ +#define FUSE_CAP_SETXATTR_EXT (1 << 29) + +/** * Ioctl flags * * FUSE_IOCTL_COMPAT: 32bit compat ioctl on 64bit machine diff --git a/tools/virtiofsd/fuse_lowlevel.c b/tools/virtiofsd/fuse_lowlevel.c index 7fe2cef..e4679c7 100644 --- a/tools/virtiofsd/fuse_lowlevel.c +++ b/tools/virtiofsd/fuse_lowlevel.c @@ -1084,6 +1084,12 @@ static void do_open(fuse_req_t req, fuse_ino_t nodeid, return; } + /* File creation is handled by do_create() or do_mknod() */ + if (arg->flags & (O_CREAT | O_TMPFILE)) { + fuse_reply_err(req, EINVAL); + return; + } + memset(&fi, 0, sizeof(fi)); fi.flags = arg->flags; fi.kill_priv = arg->open_flags & FUSE_OPEN_KILL_SUIDGID; @@ -1419,8 +1425,13 @@ static void do_setxattr(fuse_req_t req, fuse_ino_t nodeid, struct fuse_setxattr_in *arg; const char *name; const char *value; + bool setxattr_ext = req->se->conn.want & FUSE_CAP_SETXATTR_EXT; - arg = fuse_mbuf_iter_advance(iter, sizeof(*arg)); + if (setxattr_ext) { + arg = fuse_mbuf_iter_advance(iter, sizeof(*arg)); + } else { + arg = fuse_mbuf_iter_advance(iter, FUSE_COMPAT_SETXATTR_IN_SIZE); + } name = fuse_mbuf_iter_advance_str(iter); if (!arg || !name) { fuse_reply_err(req, EINVAL); @@ -1434,7 +1445,9 @@ static void do_setxattr(fuse_req_t req, fuse_ino_t nodeid, } if (req->se->op.setxattr) { - req->se->op.setxattr(req, nodeid, name, value, arg->size, arg->flags); + uint32_t setxattr_flags = setxattr_ext ? arg->setxattr_flags : 0; + req->se->op.setxattr(req, nodeid, name, value, arg->size, arg->flags, + setxattr_flags); } else { fuse_reply_err(req, ENOSYS); } @@ -1981,6 +1994,9 @@ static void do_init(fuse_req_t req, fuse_ino_t nodeid, if (arg->flags & FUSE_HANDLE_KILLPRIV_V2) { se->conn.capable |= FUSE_CAP_HANDLE_KILLPRIV_V2; } + if (arg->flags & FUSE_SETXATTR_EXT) { + se->conn.capable |= FUSE_CAP_SETXATTR_EXT; + } #ifdef HAVE_SPLICE #ifdef HAVE_VMSPLICE se->conn.capable |= FUSE_CAP_SPLICE_WRITE | FUSE_CAP_SPLICE_MOVE; @@ -2116,6 +2132,10 @@ static void do_init(fuse_req_t req, fuse_ino_t nodeid, outarg.flags |= FUSE_HANDLE_KILLPRIV_V2; } + if (se->conn.want & FUSE_CAP_SETXATTR_EXT) { + outarg.flags |= FUSE_SETXATTR_EXT; + } + fuse_log(FUSE_LOG_DEBUG, " INIT: %u.%u\n", outarg.major, outarg.minor); fuse_log(FUSE_LOG_DEBUG, " flags=0x%08x\n", outarg.flags); fuse_log(FUSE_LOG_DEBUG, " max_readahead=0x%08x\n", outarg.max_readahead); diff --git a/tools/virtiofsd/fuse_lowlevel.h b/tools/virtiofsd/fuse_lowlevel.h index 3bf786b..4b4e8c9 100644 --- a/tools/virtiofsd/fuse_lowlevel.h +++ b/tools/virtiofsd/fuse_lowlevel.h @@ -798,7 +798,8 @@ struct fuse_lowlevel_ops { * fuse_reply_err */ void (*setxattr)(fuse_req_t req, fuse_ino_t ino, const char *name, - const char *value, size_t size, int flags); + const char *value, size_t size, int flags, + uint32_t setxattr_flags); /** * Get an extended attribute diff --git a/tools/virtiofsd/helper.c b/tools/virtiofsd/helper.c index 5e98ed7..a8295d9 100644 --- a/tools/virtiofsd/helper.c +++ b/tools/virtiofsd/helper.c @@ -186,6 +186,7 @@ void fuse_cmdline_help(void) " to virtiofsd from guest applications.\n" " default: no_allow_direct_io\n" " -o announce_submounts Announce sub-mount points to the guest\n" + " -o posix_acl/no_posix_acl Enable/Disable posix_acl. (default: disabled)\n" ); } diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough_ll.c index 49c21fd..38b2af8 100644 --- a/tools/virtiofsd/passthrough_ll.c +++ b/tools/virtiofsd/passthrough_ll.c @@ -122,6 +122,7 @@ struct lo_inode { struct lo_cred { uid_t euid; gid_t egid; + mode_t umask; }; enum { @@ -172,6 +173,9 @@ struct lo_data { /* An O_PATH file descriptor to /proc/self/fd/ */ int proc_self_fd; int user_killpriv_v2, killpriv_v2; + /* If set, virtiofsd is responsible for setting umask during creation */ + bool change_umask; + int user_posix_acl, posix_acl; }; static const struct fuse_opt lo_opts[] = { @@ -204,6 +208,8 @@ static const struct fuse_opt lo_opts[] = { { "announce_submounts", offsetof(struct lo_data, announce_submounts), 1 }, { "killpriv_v2", offsetof(struct lo_data, user_killpriv_v2), 1 }, { "no_killpriv_v2", offsetof(struct lo_data, user_killpriv_v2), 0 }, + { "posix_acl", offsetof(struct lo_data, user_posix_acl), 1 }, + { "no_posix_acl", offsetof(struct lo_data, user_posix_acl), 0 }, FUSE_OPT_END }; static bool use_syslog = false; @@ -702,6 +708,32 @@ static void lo_init(void *userdata, struct fuse_conn_info *conn) conn->want &= ~FUSE_CAP_HANDLE_KILLPRIV_V2; lo->killpriv_v2 = 0; } + + if (lo->user_posix_acl == 1) { + /* + * User explicitly asked for this option. Enable it unconditionally. + * If connection does not have this capability, print error message + * now. It will fail later in fuse_lowlevel.c + */ + if (!(conn->capable & FUSE_CAP_POSIX_ACL) || + !(conn->capable & FUSE_CAP_DONT_MASK) || + !(conn->capable & FUSE_CAP_SETXATTR_EXT)) { + fuse_log(FUSE_LOG_ERR, "lo_init: Can not enable posix acl." + " kernel does not support FUSE_POSIX_ACL, FUSE_DONT_MASK" + " or FUSE_SETXATTR_EXT capability.\n"); + } else { + fuse_log(FUSE_LOG_DEBUG, "lo_init: enabling posix acl\n"); + } + + conn->want |= FUSE_CAP_POSIX_ACL | FUSE_CAP_DONT_MASK | + FUSE_CAP_SETXATTR_EXT; + lo->change_umask = true; + lo->posix_acl = true; + } else { + /* User either did not specify anything or wants it disabled */ + fuse_log(FUSE_LOG_DEBUG, "lo_init: disabling posix_acl\n"); + conn->want &= ~FUSE_CAP_POSIX_ACL; + } } static void lo_getattr(fuse_req_t req, fuse_ino_t ino, @@ -1134,7 +1166,8 @@ static void lo_lookup(fuse_req_t req, fuse_ino_t parent, const char *name) * ownership of caller. * TODO: What about selinux context? */ -static int lo_change_cred(fuse_req_t req, struct lo_cred *old) +static int lo_change_cred(fuse_req_t req, struct lo_cred *old, + bool change_umask) { int res; @@ -1154,11 +1187,14 @@ static int lo_change_cred(fuse_req_t req, struct lo_cred *old) return errno_save; } + if (change_umask) { + old->umask = umask(req->ctx.umask); + } return 0; } /* Regain Privileges */ -static void lo_restore_cred(struct lo_cred *old) +static void lo_restore_cred(struct lo_cred *old, bool restore_umask) { int res; @@ -1173,6 +1209,54 @@ static void lo_restore_cred(struct lo_cred *old) fuse_log(FUSE_LOG_ERR, "setegid(%u): %m\n", old->egid); exit(1); } + + if (restore_umask) + umask(old->umask); +} + +/* + * A helper to change cred and drop capability. Returns 0 on success and + * errno on error + */ +static int lo_drop_cap_change_cred(fuse_req_t req, struct lo_cred *old, + bool change_umask, const char *cap_name, + bool *cap_dropped) +{ + int ret; + bool __cap_dropped; + + assert(cap_name); + + ret = drop_effective_cap(cap_name, &__cap_dropped); + if (ret) { + return ret; + } + + ret = lo_change_cred(req, old, change_umask); + if (ret) { + if (__cap_dropped) { + if (gain_effective_cap(cap_name)) { + fuse_log(FUSE_LOG_ERR, "Failed to gain CAP_%s\n", cap_name); + } + } + } + + if (cap_dropped) { + *cap_dropped = __cap_dropped; + } + return ret; +} + +static void lo_restore_cred_gain_cap(struct lo_cred *old, bool restore_umask, + const char *cap_name) +{ + assert(cap_name); + + lo_restore_cred(old, restore_umask); + + if (gain_effective_cap(cap_name)) { + fuse_log(FUSE_LOG_ERR, "Failed to gain CAP_%s\n", cap_name); + } } static void lo_mknod_symlink(fuse_req_t req, fuse_ino_t parent, @@ -1202,7 +1286,7 @@ static void lo_mknod_symlink(fuse_req_t req, fuse_ino_t parent, return; } - saverr = lo_change_cred(req, &old); + saverr = lo_change_cred(req, &old, lo->change_umask && !S_ISLNK(mode)); if (saverr) { goto out; } @@ -1211,7 +1295,7 @@ static void lo_mknod_symlink(fuse_req_t req, fuse_ino_t parent, saverr = errno; - lo_restore_cred(&old); + lo_restore_cred(&old, lo->change_umask && !S_ISLNK(mode)); if (res == -1) { goto out; @@ -1917,7 +2001,7 @@ static void lo_create(fuse_req_t req, fuse_ino_t parent, const char *name, return; } - err = lo_change_cred(req, &old); + err = lo_change_cred(req, &old, lo->change_umask); if (err) { goto out; } @@ -1928,7 +2012,7 @@ static void lo_create(fuse_req_t req, fuse_ino_t parent, const char *name, fd = openat(parent_inode->fd, name, fi->flags | O_CREAT | O_EXCL, mode); err = fd == -1 ? errno : 0; - lo_restore_cred(&old); + lo_restore_cred(&old, lo->change_umask); /* Ignore the error if file exists and O_EXCL was not given */ if (err && (err != EEXIST || (fi->flags & O_EXCL))) { @@ -2727,6 +2811,63 @@ static int xattr_map_server(const struct lo_data *lo, const char *server_name, assert(fchdir_res == 0); \ } while (0) +static bool block_xattr(struct lo_data *lo, const char *name) +{ + /* + * If user explicitly enabled posix_acl or did not provide any option, + * do not block acl. Otherwise block system.posix_acl_access and + * system.posix_acl_default xattrs. + */ + if (lo->user_posix_acl) { + return false; + } + if (!strcmp(name, "system.posix_acl_access") || + !strcmp(name, "system.posix_acl_default")) + return true; + + return false; +} + +/* + * Returns number of bytes in xattr_list after filtering on success. This + * could be zero as well if nothing is left after filtering. + * + * Returns negative error code on failure. + * xattr_list is modified in place. + */ +static int remove_blocked_xattrs(struct lo_data *lo, char *xattr_list, + unsigned in_size) +{ + size_t out_index, in_index; + + /* + * As of now we only filter out acl xattrs. If acls are enabled or + * they have not been explicitly disabled, there is nothing to + * filter. + */ + if (lo->user_posix_acl) { + return in_size; + } + + out_index = 0; + in_index = 0; + while (in_index < in_size) { + char *in_ptr = xattr_list + in_index; + + /* Length of current attribute name */ + size_t in_len = strlen(xattr_list + in_index) + 1; + + if (!block_xattr(lo, in_ptr)) { + if (in_index != out_index) { + memmove(xattr_list + out_index, xattr_list + in_index, in_len); + } + out_index += in_len; + } + in_index += in_len; + } + return out_index; +} + static void lo_getxattr(fuse_req_t req, fuse_ino_t ino, const char *in_name, size_t size) { @@ -2740,6 +2881,11 @@ static void lo_getxattr(fuse_req_t req, fuse_ino_t ino, const char *in_name, int saverr; int fd = -1; + if (block_xattr(lo, in_name)) { + fuse_reply_err(req, EOPNOTSUPP); + return; + } + mapped_name = NULL; name = in_name; if (lo->xattrmap) { @@ -2791,15 +2937,17 @@ static void lo_getxattr(fuse_req_t req, fuse_ino_t ino, const char *in_name, goto out_err; } ret = fgetxattr(fd, name, value, size); + saverr = ret == -1 ? errno : 0; } else { /* fchdir should not fail here */ FCHDIR_NOFAIL(lo->proc_self_fd); ret = getxattr(procname, name, value, size); + saverr = ret == -1 ? errno : 0; FCHDIR_NOFAIL(lo->root.fd); } if (ret == -1) { - goto out_err; + goto out; } if (size) { saverr = 0; @@ -2864,15 +3012,17 @@ static void lo_listxattr(fuse_req_t req, fuse_ino_t ino, size_t size) goto out_err; } ret = flistxattr(fd, value, size); + saverr = ret == -1 ? errno : 0; } else { /* fchdir should not fail here */ FCHDIR_NOFAIL(lo->proc_self_fd); ret = listxattr(procname, value, size); + saverr = ret == -1 ? errno : 0; FCHDIR_NOFAIL(lo->root.fd); } if (ret == -1) { - goto out_err; + goto out; } if (size) { saverr = 0; @@ -2926,6 +3076,12 @@ static void lo_listxattr(fuse_req_t req, fuse_ino_t ino, size_t size) goto out; } } + + ret = remove_blocked_xattrs(lo, value, ret); + if (ret <= 0) { + saverr = -ret; + goto out; + } fuse_reply_buf(req, value, ret); } else { /* @@ -2951,7 +3107,8 @@ out: } static void lo_setxattr(fuse_req_t req, fuse_ino_t ino, const char *in_name, - const char *value, size_t size, int flags) + const char *value, size_t size, int flags, + uint32_t extra_flags) { char procname[64]; const char *name; @@ -2961,6 +3118,14 @@ static void lo_setxattr(fuse_req_t req, fuse_ino_t ino, const char *in_name, ssize_t ret; int saverr; int fd = -1; + bool switched_creds = false; + bool cap_fsetid_dropped = false; + struct lo_cred old = {}; + + if (block_xattr(lo, in_name)) { + fuse_reply_err(req, EOPNOTSUPP); + return; + } mapped_name = NULL; name = in_name; @@ -2991,6 +3156,26 @@ static void lo_setxattr(fuse_req_t req, fuse_ino_t ino, const char *in_name, ", name=%s value=%s size=%zd)\n", ino, name, value, size); sprintf(procname, "%i", inode->fd); + /* + * If we are setting posix access acl and if SGID needs to be + * cleared, then switch to caller's gid and drop CAP_FSETID + * and that should make sure host kernel clears SGID. + * + * This probably will not work when we support idmapped mounts. + * In that case we will need to find a non-root gid and switch + * to it. (Instead of gid in request). Fix it when we support + * idmapped mounts. + */ + if (lo->posix_acl && !strcmp(name, "system.posix_acl_access") + && (extra_flags & FUSE_SETXATTR_ACL_KILL_SGID)) { + ret = lo_drop_cap_change_cred(req, &old, false, "FSETID", + &cap_fsetid_dropped); + if (ret) { + saverr = ret; + goto out; + } + switched_creds = true; + } if (S_ISREG(inode->filetype) || S_ISDIR(inode->filetype)) { fd = openat(lo->proc_self_fd, procname, O_RDONLY); if (fd < 0) { @@ -2998,14 +3183,20 @@ static void lo_setxattr(fuse_req_t req, fuse_ino_t ino, const char *in_name, goto out; } ret = fsetxattr(fd, name, value, size, flags); + saverr = ret == -1 ? errno : 0; } else { /* fchdir should not fail here */ FCHDIR_NOFAIL(lo->proc_self_fd); ret = setxattr(procname, name, value, size, flags); + saverr = ret == -1 ? errno : 0; FCHDIR_NOFAIL(lo->root.fd); } - - saverr = ret == -1 ? errno : 0; + if (switched_creds) { + if (cap_fsetid_dropped) + lo_restore_cred_gain_cap(&old, false, "FSETID"); + else + lo_restore_cred(&old, false); + } out: if (fd >= 0) { @@ -3028,6 +3219,11 @@ static void lo_removexattr(fuse_req_t req, fuse_ino_t ino, const char *in_name) int saverr; int fd = -1; + if (block_xattr(lo, in_name)) { + fuse_reply_err(req, EOPNOTSUPP); + return; + } + mapped_name = NULL; name = in_name; if (lo->xattrmap) { @@ -3064,15 +3260,15 @@ static void lo_removexattr(fuse_req_t req, fuse_ino_t ino, const char *in_name) goto out; } ret = fremovexattr(fd, name); + saverr = ret == -1 ? errno : 0; } else { /* fchdir should not fail here */ FCHDIR_NOFAIL(lo->proc_self_fd); ret = removexattr(procname, name); + saverr = ret == -1 ? errno : 0; FCHDIR_NOFAIL(lo->root.fd); } - saverr = ret == -1 ? errno : 0; - out: if (fd >= 0) { close(fd); @@ -3559,10 +3755,6 @@ static void setup_nofile_rlimit(unsigned long rlimit_nofile) static void log_func(enum fuse_log_level level, const char *fmt, va_list ap) { g_autofree char *localfmt = NULL; - struct timespec ts; - struct tm tm; - char sec_fmt[sizeof "2020-12-07 18:17:54"]; - char zone_fmt[sizeof "+0100"]; if (current_log_level < level) { return; @@ -3574,23 +3766,10 @@ static void log_func(enum fuse_log_level level, const char *fmt, va_list ap) localfmt = g_strdup_printf("[ID: %08ld] %s", syscall(__NR_gettid), fmt); } else { - /* try formatting a broken-down timestamp */ - if (clock_gettime(CLOCK_REALTIME, &ts) != -1 && - localtime_r(&ts.tv_sec, &tm) != NULL && - strftime(sec_fmt, sizeof sec_fmt, "%Y-%m-%d %H:%M:%S", - &tm) != 0 && - strftime(zone_fmt, sizeof zone_fmt, "%z", &tm) != 0) { - localfmt = g_strdup_printf("[%s.%02ld%s] [ID: %08ld] %s", - sec_fmt, - ts.tv_nsec / (10L * 1000 * 1000), - zone_fmt, syscall(__NR_gettid), - fmt); - } else { - /* fall back to a flat timestamp */ - localfmt = g_strdup_printf("[%" PRId64 "] [ID: %08ld] %s", - get_clock(), syscall(__NR_gettid), - fmt); - } + g_autoptr(GDateTime) now = g_date_time_new_now_utc(); + g_autofree char *nowstr = g_date_time_format(now, "%Y-%m-%d %H:%M:%S.%f%z"); + localfmt = g_strdup_printf("[%s] [ID: %08ld] %s", + nowstr, syscall(__NR_gettid), fmt); } fmt = localfmt; } @@ -3722,6 +3901,7 @@ int main(int argc, char *argv[]) .allow_direct_io = 0, .proc_self_fd = -1, .user_killpriv_v2 = -1, + .user_posix_acl = -1, }; struct lo_map_elem *root_elem; struct lo_map_elem *reserve_elem; @@ -3850,6 +4030,12 @@ int main(int argc, char *argv[]) exit(1); } + if (lo.user_posix_acl == 1 && !lo.xattr) { + fuse_log(FUSE_LOG_ERR, "Can't enable posix ACLs. xattrs are disabled." + "\n"); + exit(1); + } + lo.use_statx = true; se = fuse_session_new(&args, &lo_oper, sizeof(lo_oper), &lo); diff --git a/tools/virtiofsd/passthrough_seccomp.c b/tools/virtiofsd/passthrough_seccomp.c index 62441cf..f49ed94 100644 --- a/tools/virtiofsd/passthrough_seccomp.c +++ b/tools/virtiofsd/passthrough_seccomp.c @@ -114,6 +114,7 @@ static const int syscall_allowlist[] = { SCMP_SYS(utimensat), SCMP_SYS(write), SCMP_SYS(writev), + SCMP_SYS(umask), }; /* Syscalls used when --syslog is enabled */ diff --git a/util/keyval.c b/util/keyval.c index be34928..904337c 100644 --- a/util/keyval.c +++ b/util/keyval.c @@ -311,6 +311,86 @@ static char *reassemble_key(GSList *key) } /* + * Recursive worker for keyval_merge. + * + * @str is the path that led to the * current dictionary (to be used for + * error messages). It is modified internally but restored before the + * function returns. + */ +static void keyval_do_merge(QDict *dest, const QDict *merged, GString *str, Error **errp) +{ + size_t save_len = str->len; + const QDictEntry *ent; + QObject *old_value; + + for (ent = qdict_first(merged); ent; ent = qdict_next(merged, ent)) { + old_value = qdict_get(dest, ent->key); + if (old_value) { + if (qobject_type(old_value) != qobject_type(ent->value)) { + error_setg(errp, "Parameter '%s%s' used inconsistently", + str->str, ent->key); + return; + } else if (qobject_type(ent->value) == QTYPE_QDICT) { + /* Merge sub-dictionaries. */ + g_string_append(str, ent->key); + g_string_append_c(str, '.'); + keyval_do_merge(qobject_to(QDict, old_value), + qobject_to(QDict, ent->value), + str, errp); + g_string_truncate(str, save_len); + continue; + } else if (qobject_type(ent->value) == QTYPE_QLIST) { + /* Append to old list. */ + QList *old = qobject_to(QList, old_value); + QList *new = qobject_to(QList, ent->value); + const QListEntry *item; + QLIST_FOREACH_ENTRY(new, item) { + qobject_ref(item->value); + qlist_append_obj(old, item->value); + } + continue; + } else { + assert(qobject_type(ent->value) == QTYPE_QSTRING); + } + } + + qobject_ref(ent->value); + qdict_put_obj(dest, ent->key, ent->value); + } +} + +/* Merge the @merged dictionary into @dest. + * + * The dictionaries are expected to be returned by the keyval parser, and + * therefore the only expected scalar type is the string. In case the same + * path is present in both @dest and @merged, the semantics are as follows: + * + * - lists are concatenated + * + * - dictionaries are merged recursively + * + * - for scalar values, @merged wins + * + * In case an error is reported, @dest may already have been modified. + * + * This function can be used to implement semantics analogous to QemuOpts's + * .merge_lists = true case, or to implement -set for options backed by QDicts. + * + * Note: while QemuOpts is commonly used so that repeated keys overwrite + * ("last one wins"), it can also be used so that repeated keys build up + * a list. keyval_merge() can only be used when the options' semantics are + * the former, not the latter. + */ +void keyval_merge(QDict *dest, const QDict *merged, Error **errp) +{ + GString *str; + + str = g_string_new(""); + keyval_do_merge(dest, merged, str, errp); + g_string_free(str, TRUE); +} + +/* * Listify @cur recursively. * Replace QDicts whose keys are all valid list indexes by QLists. * @key_of_cur is the list of key fragments leading up to @cur. @@ -431,13 +511,14 @@ static QObject *keyval_listify(QDict *cur, GSList *key_of_cur, Error **errp) * If @p_help is not NULL, store whether help is requested there. * If @p_help is NULL and help is requested, fail. * - * On success, return a dictionary of the parsed keys and values. - * On failure, store an error through @errp and return NULL. + * On success, return @dict, now filled with the parsed keys and values. + * + * On failure, store an error through @errp and return NULL. Any keys + * and values parsed so far will be in @dict nevertheless. */ -QDict *keyval_parse(const char *params, const char *implied_key, - bool *p_help, Error **errp) +QDict *keyval_parse_into(QDict *qdict, const char *params, const char *implied_key, + bool *p_help, Error **errp) { - QDict *qdict = qdict_new(); QObject *listified; const char *s; bool help = false; @@ -446,7 +527,6 @@ QDict *keyval_parse(const char *params, const char *implied_key, while (*s) { s = keyval_parse_one(qdict, s, implied_key, &help, errp); if (!s) { - qobject_unref(qdict); return NULL; } implied_key = NULL; @@ -456,15 +536,42 @@ QDict *keyval_parse(const char *params, const char *implied_key, *p_help = help; } else if (help) { error_setg(errp, "Help is not available for this option"); - qobject_unref(qdict); return NULL; } listified = keyval_listify(qdict, NULL, errp); if (!listified) { - qobject_unref(qdict); return NULL; } assert(listified == QOBJECT(qdict)); return qdict; } + +/* + * Parse @params in QEMU's traditional KEY=VALUE,... syntax. + * + * If @implied_key, the first KEY= can be omitted. @implied_key is + * implied then, and VALUE can't be empty or contain ',' or '='. + * + * A parameter "help" or "?" without a value isn't added to the + * resulting dictionary, but instead is interpreted as help request. + * All other options are parsed and returned normally so that context + * specific help can be printed. + * + * If @p_help is not NULL, store whether help is requested there. + * If @p_help is NULL and help is requested, fail. + * + * On success, return a dictionary of the parsed keys and values. + * On failure, store an error through @errp and return NULL. + */ +QDict *keyval_parse(const char *params, const char *implied_key, + bool *p_help, Error **errp) +{ + QDict *qdict = qdict_new(); + QDict *ret = keyval_parse_into(qdict, params, implied_key, p_help, errp); + + if (!ret) { + qobject_unref(qdict); + } + return ret; +} diff --git a/util/meson.build b/util/meson.build index 97fad44..0ffd7f4 100644 --- a/util/meson.build +++ b/util/meson.build @@ -1,9 +1,10 @@ -util_ss.add(dependency('threads')) util_ss.add(files('osdep.c', 'cutils.c', 'unicode.c', 'qemu-timer-common.c')) util_ss.add(when: 'CONFIG_ATOMIC64', if_false: files('atomic64.c')) util_ss.add(when: 'CONFIG_POSIX', if_true: files('aio-posix.c')) util_ss.add(when: 'CONFIG_POSIX', if_true: files('fdmon-poll.c')) -util_ss.add(when: 'CONFIG_EPOLL_CREATE1', if_true: files('fdmon-epoll.c')) +if config_host_data.get('CONFIG_EPOLL_CREATE1') + util_ss.add(files('fdmon-epoll.c')) +endif util_ss.add(when: ['CONFIG_LINUX_IO_URING', linux_io_uring], if_true: files('fdmon-io_uring.c')) util_ss.add(when: 'CONFIG_POSIX', if_true: files('compatfd.c')) util_ss.add(when: 'CONFIG_POSIX', if_true: files('event_notifier-posix.c')) diff --git a/util/qemu-option.c b/util/qemu-option.c index 4944015..ee78e42 100644 --- a/util/qemu-option.c +++ b/util/qemu-option.c @@ -479,19 +479,14 @@ int qemu_opt_unset(QemuOpts *opts, const char *name) } } -static QemuOpt *opt_create(QemuOpts *opts, const char *name, char *value, - bool prepend) +static QemuOpt *opt_create(QemuOpts *opts, const char *name, char *value) { QemuOpt *opt = g_malloc0(sizeof(*opt)); opt->name = g_strdup(name); opt->str = value; opt->opts = opts; - if (prepend) { - QTAILQ_INSERT_HEAD(&opts->head, opt, next); - } else { - QTAILQ_INSERT_TAIL(&opts->head, opt, next); - } + QTAILQ_INSERT_TAIL(&opts->head, opt, next); return opt; } @@ -518,7 +513,7 @@ static bool opt_validate(QemuOpt *opt, Error **errp) bool qemu_opt_set(QemuOpts *opts, const char *name, const char *value, Error **errp) { - QemuOpt *opt = opt_create(opts, name, g_strdup(value), false); + QemuOpt *opt = opt_create(opts, name, g_strdup(value)); if (!opt_validate(opt, errp)) { qemu_opt_del(opt); @@ -662,15 +657,6 @@ void qemu_opts_loc_restore(QemuOpts *opts) loc_restore(&opts->loc); } -bool qemu_opts_set(QemuOptsList *list, const char *name, const char *value, Error **errp) -{ - QemuOpts *opts; - - assert(list->merge_lists); - opts = qemu_opts_create(list, NULL, 0, &error_abort); - return qemu_opt_set(opts, name, value, errp); -} - const char *qemu_opts_id(QemuOpts *opts) { return opts->id; @@ -811,7 +797,7 @@ static const char *get_opt_name_value(const char *params, } static bool opts_do_parse(QemuOpts *opts, const char *params, - const char *firstname, bool prepend, + const char *firstname, bool warn_on_flag, bool *help_wanted, Error **errp) { char *option, *value; @@ -833,7 +819,7 @@ static bool opts_do_parse(QemuOpts *opts, const char *params, continue; } - opt = opt_create(opts, option, value, prepend); + opt = opt_create(opts, option, value); g_free(option); if (!opt_validate(opt, errp)) { qemu_opt_del(opt); @@ -889,11 +875,11 @@ bool has_help_option(const char *params) bool qemu_opts_do_parse(QemuOpts *opts, const char *params, const char *firstname, Error **errp) { - return opts_do_parse(opts, params, firstname, false, false, NULL, errp); + return opts_do_parse(opts, params, firstname, false, NULL, errp); } static QemuOpts *opts_parse(QemuOptsList *list, const char *params, - bool permit_abbrev, bool defaults, + bool permit_abbrev, bool warn_on_flag, bool *help_wanted, Error **errp) { const char *firstname; @@ -903,21 +889,13 @@ static QemuOpts *opts_parse(QemuOptsList *list, const char *params, assert(!permit_abbrev || list->implied_opt_name); firstname = permit_abbrev ? list->implied_opt_name : NULL; - /* - * This code doesn't work for defaults && !list->merge_lists: when - * params has no id=, and list has an element with !opts->id, it - * appends a new element instead of returning the existing opts. - * However, we got no use for this case. Guard against possible - * (if unlikely) future misuse: - */ - assert(!defaults || list->merge_lists); opts = qemu_opts_create(list, id, !list->merge_lists, errp); g_free(id); if (opts == NULL) { return NULL; } - if (!opts_do_parse(opts, params, firstname, defaults, + if (!opts_do_parse(opts, params, firstname, warn_on_flag, help_wanted, errp)) { qemu_opts_del(opts); return NULL; @@ -936,7 +914,7 @@ static QemuOpts *opts_parse(QemuOptsList *list, const char *params, QemuOpts *qemu_opts_parse(QemuOptsList *list, const char *params, bool permit_abbrev, Error **errp) { - return opts_parse(list, params, permit_abbrev, false, false, NULL, errp); + return opts_parse(list, params, permit_abbrev, false, NULL, errp); } /** @@ -954,7 +932,7 @@ QemuOpts *qemu_opts_parse_noisily(QemuOptsList *list, const char *params, QemuOpts *opts; bool help_wanted = false; - opts = opts_parse(list, params, permit_abbrev, false, true, + opts = opts_parse(list, params, permit_abbrev, true, opts_accepts_any(list) ? NULL : &help_wanted, &err); if (!opts) { @@ -968,15 +946,6 @@ QemuOpts *qemu_opts_parse_noisily(QemuOptsList *list, const char *params, return opts; } -void qemu_opts_set_defaults(QemuOptsList *list, const char *params, - int permit_abbrev) -{ - QemuOpts *opts; - - opts = opts_parse(list, params, permit_abbrev, true, false, NULL, NULL); - assert(opts); -} - static bool qemu_opts_from_qdict_entry(QemuOpts *opts, const QDictEntry *entry, Error **errp) |