diff options
56 files changed, 2963 insertions, 351 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 7819910..1200b69 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3206,7 +3206,8 @@ F: scripts/checkpatch.pl Migration M: Juan Quintela <quintela@redhat.com> -R: Peter Xu <peterx@redhat.com> +M: Peter Xu <peterx@redhat.com> +M: Fabiano Rosas <farosas@suse.de> R: Leonardo Bras <leobras@redhat.com> S: Maintained F: hw/core/vmstate-if.c @@ -3221,6 +3222,15 @@ F: docs/devel/migration.rst F: qapi/migration.json F: tests/migration/ F: util/userfaultfd.c +X: migration/rdma* + +RDMA Migration +M: Juan Quintela <quintela@redhat.com> +R: Li Zhijian <lizhijian@fujitsu.com> +R: Peter Xu <peterx@redhat.com> +R: Leonardo Bras <leobras@redhat.com> +S: Odd Fixes +F: migration/rdma* Migration dirty limit and dirty page rate M: Hyman Huang <yong.huang@smartx.com> diff --git a/bsd-user/bsd-mem.c b/bsd-user/bsd-mem.c new file mode 100644 index 0000000..2ab1334 --- /dev/null +++ b/bsd-user/bsd-mem.c @@ -0,0 +1,104 @@ +/* + * memory management system conversion routines + * + * Copyright (c) 2013 Stacey D. Son + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + */ +#include "qemu/osdep.h" +#include "qemu.h" +#include "qemu-bsd.h" + +struct bsd_shm_regions bsd_shm_regions[N_BSD_SHM_REGIONS]; + +abi_ulong target_brk; +abi_ulong initial_target_brk; + +void target_set_brk(abi_ulong new_brk) +{ + target_brk = TARGET_PAGE_ALIGN(new_brk); + initial_target_brk = target_brk; +} + +void target_to_host_ipc_perm__locked(struct ipc_perm *host_ip, + struct target_ipc_perm *target_ip) +{ + __get_user(host_ip->cuid, &target_ip->cuid); + __get_user(host_ip->cgid, &target_ip->cgid); + __get_user(host_ip->uid, &target_ip->uid); + __get_user(host_ip->gid, &target_ip->gid); + __get_user(host_ip->mode, &target_ip->mode); + __get_user(host_ip->seq, &target_ip->seq); + __get_user(host_ip->key, &target_ip->key); +} + +abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd, + abi_ulong target_addr) +{ + struct target_shmid_ds *target_sd; + + if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) { + return -TARGET_EFAULT; + } + + target_to_host_ipc_perm__locked(&(host_sd->shm_perm), + &(target_sd->shm_perm)); + + __get_user(host_sd->shm_segsz, &target_sd->shm_segsz); + __get_user(host_sd->shm_lpid, &target_sd->shm_lpid); + __get_user(host_sd->shm_cpid, &target_sd->shm_cpid); + __get_user(host_sd->shm_nattch, &target_sd->shm_nattch); + __get_user(host_sd->shm_atime, &target_sd->shm_atime); + __get_user(host_sd->shm_dtime, &target_sd->shm_dtime); + __get_user(host_sd->shm_ctime, &target_sd->shm_ctime); + unlock_user_struct(target_sd, target_addr, 0); + + return 0; +} + +void host_to_target_ipc_perm__locked(struct target_ipc_perm *target_ip, + struct ipc_perm *host_ip) +{ + __put_user(host_ip->cuid, &target_ip->cuid); + __put_user(host_ip->cgid, &target_ip->cgid); + __put_user(host_ip->uid, &target_ip->uid); + __put_user(host_ip->gid, &target_ip->gid); + __put_user(host_ip->mode, &target_ip->mode); + __put_user(host_ip->seq, &target_ip->seq); + __put_user(host_ip->key, &target_ip->key); +} + +abi_long host_to_target_shmid_ds(abi_ulong target_addr, + struct shmid_ds *host_sd) +{ + struct target_shmid_ds *target_sd; + + if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) { + return -TARGET_EFAULT; + } + + host_to_target_ipc_perm__locked(&(target_sd->shm_perm), + &(host_sd->shm_perm)); + + __put_user(host_sd->shm_segsz, &target_sd->shm_segsz); + __put_user(host_sd->shm_lpid, &target_sd->shm_lpid); + __put_user(host_sd->shm_cpid, &target_sd->shm_cpid); + __put_user(host_sd->shm_nattch, &target_sd->shm_nattch); + __put_user(host_sd->shm_atime, &target_sd->shm_atime); + __put_user(host_sd->shm_dtime, &target_sd->shm_dtime); + __put_user(host_sd->shm_ctime, &target_sd->shm_ctime); + unlock_user_struct(target_sd, target_addr, 1); + + return 0; +} diff --git a/bsd-user/bsd-mem.h b/bsd-user/bsd-mem.h new file mode 100644 index 0000000..c3e72e3 --- /dev/null +++ b/bsd-user/bsd-mem.h @@ -0,0 +1,452 @@ +/* + * memory management system call shims and definitions + * + * Copyright (c) 2013-15 Stacey D. Son + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +/* + * Copyright (c) 1982, 1986, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef BSD_USER_BSD_MEM_H +#define BSD_USER_BSD_MEM_H + +#include <sys/types.h> +#include <sys/ipc.h> +#include <sys/mman.h> +#include <sys/shm.h> +#include <fcntl.h> + +#include "qemu-bsd.h" + +extern struct bsd_shm_regions bsd_shm_regions[]; +extern abi_ulong target_brk; +extern abi_ulong initial_target_brk; + +/* mmap(2) */ +static inline abi_long do_bsd_mmap(void *cpu_env, abi_long arg1, abi_long arg2, + abi_long arg3, abi_long arg4, abi_long arg5, abi_long arg6, abi_long arg7, + abi_long arg8) +{ + if (regpairs_aligned(cpu_env) != 0) { + arg6 = arg7; + arg7 = arg8; + } + return get_errno(target_mmap(arg1, arg2, arg3, + target_to_host_bitmask(arg4, mmap_flags_tbl), + arg5, target_arg64(arg6, arg7))); +} + +/* munmap(2) */ +static inline abi_long do_bsd_munmap(abi_long arg1, abi_long arg2) +{ + return get_errno(target_munmap(arg1, arg2)); +} + +/* mprotect(2) */ +static inline abi_long do_bsd_mprotect(abi_long arg1, abi_long arg2, + abi_long arg3) +{ + return get_errno(target_mprotect(arg1, arg2, arg3)); +} + +/* msync(2) */ +static inline abi_long do_bsd_msync(abi_long addr, abi_long len, abi_long flags) +{ + if (!guest_range_valid_untagged(addr, len)) { + /* It seems odd, but POSIX wants this to be ENOMEM */ + return -TARGET_ENOMEM; + } + + return get_errno(msync(g2h_untagged(addr), len, flags)); +} + +/* mlock(2) */ +static inline abi_long do_bsd_mlock(abi_long arg1, abi_long arg2) +{ + if (!guest_range_valid_untagged(arg1, arg2)) { + return -TARGET_EINVAL; + } + return get_errno(mlock(g2h_untagged(arg1), arg2)); +} + +/* munlock(2) */ +static inline abi_long do_bsd_munlock(abi_long arg1, abi_long arg2) +{ + if (!guest_range_valid_untagged(arg1, arg2)) { + return -TARGET_EINVAL; + } + return get_errno(munlock(g2h_untagged(arg1), arg2)); +} + +/* mlockall(2) */ +static inline abi_long do_bsd_mlockall(abi_long arg1) +{ + return get_errno(mlockall(arg1)); +} + +/* munlockall(2) */ +static inline abi_long do_bsd_munlockall(void) +{ + return get_errno(munlockall()); +} + +/* madvise(2) */ +static inline abi_long do_bsd_madvise(abi_long arg1, abi_long arg2, + abi_long arg3) +{ + abi_ulong len; + int ret = 0; + abi_long start = arg1; + abi_long len_in = arg2; + abi_long advice = arg3; + + if (start & ~TARGET_PAGE_MASK) { + return -TARGET_EINVAL; + } + if (len_in == 0) { + return 0; + } + len = TARGET_PAGE_ALIGN(len_in); + if (len == 0 || !guest_range_valid_untagged(start, len)) { + return -TARGET_EINVAL; + } + + /* + * Most advice values are hints, so ignoring and returning success is ok. + * + * However, some advice values such as MADV_DONTNEED, are not hints and + * need to be emulated. + * + * A straight passthrough for those may not be safe because qemu sometimes + * turns private file-backed mappings into anonymous mappings. + * If all guest pages have PAGE_PASSTHROUGH set, mappings have the + * same semantics for the host as for the guest. + * + * MADV_DONTNEED is passed through, if possible. + * If passthrough isn't possible, we nevertheless (wrongly!) return + * success, which is broken but some userspace programs fail to work + * otherwise. Completely implementing such emulation is quite complicated + * though. + */ + mmap_lock(); + switch (advice) { + case MADV_DONTNEED: + if (page_check_range(start, len, PAGE_PASSTHROUGH)) { + ret = get_errno(madvise(g2h_untagged(start), len, advice)); + if (ret == 0) { + page_reset_target_data(start, start + len - 1); + } + } + } + mmap_unlock(); + + return ret; +} + +/* minherit(2) */ +static inline abi_long do_bsd_minherit(abi_long addr, abi_long len, + abi_long inherit) +{ + return get_errno(minherit(g2h_untagged(addr), len, inherit)); +} + +/* mincore(2) */ +static inline abi_long do_bsd_mincore(abi_ulong target_addr, abi_ulong len, + abi_ulong target_vec) +{ + abi_long ret; + void *p; + abi_ulong vec_len = DIV_ROUND_UP(len, TARGET_PAGE_SIZE); + + if (!guest_range_valid_untagged(target_addr, len) + || !page_check_range(target_addr, len, PAGE_VALID)) { + return -TARGET_EFAULT; + } + + p = lock_user(VERIFY_WRITE, target_vec, vec_len, 0); + if (p == NULL) { + return -TARGET_EFAULT; + } + ret = get_errno(mincore(g2h_untagged(target_addr), len, p)); + unlock_user(p, target_vec, vec_len); + + return ret; +} + +/* do_brk() must return target values and target errnos. */ +static inline abi_long do_obreak(abi_ulong brk_val) +{ + abi_long mapped_addr; + abi_ulong new_brk; + abi_ulong old_brk; + + /* brk pointers are always untagged */ + + /* do not allow to shrink below initial brk value */ + if (brk_val < initial_target_brk) { + return target_brk; + } + + new_brk = TARGET_PAGE_ALIGN(brk_val); + old_brk = TARGET_PAGE_ALIGN(target_brk); + + /* new and old target_brk might be on the same page */ + if (new_brk == old_brk) { + target_brk = brk_val; + return target_brk; + } + + /* Release heap if necesary */ + if (new_brk < old_brk) { + target_munmap(new_brk, old_brk - new_brk); + + target_brk = brk_val; + return target_brk; + } + + mapped_addr = target_mmap(old_brk, new_brk - old_brk, + PROT_READ | PROT_WRITE, + MAP_FIXED | MAP_EXCL | MAP_ANON | MAP_PRIVATE, + -1, 0); + + if (mapped_addr == old_brk) { + target_brk = brk_val; + return target_brk; + } + + /* For everything else, return the previous break. */ + return target_brk; +} + +/* shm_open(2) */ +static inline abi_long do_bsd_shm_open(abi_ulong arg1, abi_long arg2, + abi_long arg3) +{ + int ret; + void *p; + + if (arg1 == (uintptr_t)SHM_ANON) { + p = SHM_ANON; + } else { + p = lock_user_string(arg1); + if (p == NULL) { + return -TARGET_EFAULT; + } + } + ret = get_errno(shm_open(p, target_to_host_bitmask(arg2, fcntl_flags_tbl), + arg3)); + + if (p != SHM_ANON) { + unlock_user(p, arg1, 0); + } + + return ret; +} + +/* shm_unlink(2) */ +static inline abi_long do_bsd_shm_unlink(abi_ulong arg1) +{ + int ret; + void *p; + + p = lock_user_string(arg1); + if (p == NULL) { + return -TARGET_EFAULT; + } + ret = get_errno(shm_unlink(p)); /* XXX path(p)? */ + unlock_user(p, arg1, 0); + + return ret; +} + +/* shmget(2) */ +static inline abi_long do_bsd_shmget(abi_long arg1, abi_ulong arg2, + abi_long arg3) +{ + return get_errno(shmget(arg1, arg2, arg3)); +} + +/* shmctl(2) */ +static inline abi_long do_bsd_shmctl(abi_long shmid, abi_long cmd, + abi_ulong buff) +{ + struct shmid_ds dsarg; + abi_long ret = -TARGET_EINVAL; + + cmd &= 0xff; + + switch (cmd) { + case IPC_STAT: + if (target_to_host_shmid_ds(&dsarg, buff)) { + return -TARGET_EFAULT; + } + ret = get_errno(shmctl(shmid, cmd, &dsarg)); + if (host_to_target_shmid_ds(buff, &dsarg)) { + return -TARGET_EFAULT; + } + break; + + case IPC_SET: + if (target_to_host_shmid_ds(&dsarg, buff)) { + return -TARGET_EFAULT; + } + ret = get_errno(shmctl(shmid, cmd, &dsarg)); + break; + + case IPC_RMID: + ret = get_errno(shmctl(shmid, cmd, NULL)); + break; + + default: + ret = -TARGET_EINVAL; + break; + } + + return ret; +} + +/* shmat(2) */ +static inline abi_long do_bsd_shmat(int shmid, abi_ulong shmaddr, int shmflg) +{ + abi_ulong raddr; + abi_long ret; + struct shmid_ds shm_info; + + /* Find out the length of the shared memory segment. */ + ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info)); + if (is_error(ret)) { + /* Can't get the length */ + return ret; + } + + if (!guest_range_valid_untagged(shmaddr, shm_info.shm_segsz)) { + return -TARGET_EINVAL; + } + + WITH_MMAP_LOCK_GUARD() { + void *host_raddr; + + if (shmaddr) { + host_raddr = shmat(shmid, (void *)g2h_untagged(shmaddr), shmflg); + } else { + abi_ulong mmap_start; + + mmap_start = mmap_find_vma(0, shm_info.shm_segsz); + + if (mmap_start == -1) { + return -TARGET_ENOMEM; + } + host_raddr = shmat(shmid, g2h_untagged(mmap_start), + shmflg | SHM_REMAP); + } + + if (host_raddr == (void *)-1) { + return get_errno(-1); + } + raddr = h2g(host_raddr); + + page_set_flags(raddr, raddr + shm_info.shm_segsz - 1, + PAGE_VALID | PAGE_RESET | PAGE_READ | + (shmflg & SHM_RDONLY ? 0 : PAGE_WRITE)); + + for (int i = 0; i < N_BSD_SHM_REGIONS; i++) { + if (bsd_shm_regions[i].start == 0) { + bsd_shm_regions[i].start = raddr; + bsd_shm_regions[i].size = shm_info.shm_segsz; + break; + } + } + } + + return raddr; +} + +/* shmdt(2) */ +static inline abi_long do_bsd_shmdt(abi_ulong shmaddr) +{ + abi_long ret; + + WITH_MMAP_LOCK_GUARD() { + int i; + + for (i = 0; i < N_BSD_SHM_REGIONS; ++i) { + if (bsd_shm_regions[i].start == shmaddr) { + break; + } + } + + if (i == N_BSD_SHM_REGIONS) { + return -TARGET_EINVAL; + } + + ret = get_errno(shmdt(g2h_untagged(shmaddr))); + if (ret == 0) { + abi_ulong size = bsd_shm_regions[i].size; + + bsd_shm_regions[i].start = 0; + page_set_flags(shmaddr, shmaddr + size - 1, 0); + mmap_reserve(shmaddr, size); + } + } + + return ret; +} + +static inline abi_long do_bsd_vadvise(void) +{ + /* See sys_ovadvise() in vm_unix.c */ + return -TARGET_EINVAL; +} + +static inline abi_long do_bsd_sbrk(void) +{ + /* see sys_sbrk() in vm_mmap.c */ + return -TARGET_EOPNOTSUPP; +} + +static inline abi_long do_bsd_sstk(void) +{ + /* see sys_sstk() in vm_mmap.c */ + return -TARGET_EOPNOTSUPP; +} + +#endif /* BSD_USER_BSD_MEM_H */ diff --git a/bsd-user/bsd-proc.c b/bsd-user/bsd-proc.c new file mode 100644 index 0000000..ca3c1bf --- /dev/null +++ b/bsd-user/bsd-proc.c @@ -0,0 +1,145 @@ +/* + * BSD process related system call helpers + * + * Copyright (c) 2013-14 Stacey D. Son + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + */ +#include "qemu/osdep.h" + +#include <sys/param.h> +#include <sys/types.h> +#include <sys/cpuset.h> +#include <sys/resource.h> +#include <sys/wait.h> + +#include "qemu.h" +#include "qemu-bsd.h" +#include "signal-common.h" + +#include "bsd-proc.h" + +/* + * resource/rusage conversion + */ +int target_to_host_resource(int code) +{ + return code; +} + +rlim_t target_to_host_rlim(abi_llong target_rlim) +{ + return tswap64(target_rlim); +} + +abi_llong host_to_target_rlim(rlim_t rlim) +{ + return tswap64(rlim); +} + +void h2g_rusage(const struct rusage *rusage, + struct target_freebsd_rusage *target_rusage) +{ + __put_user(rusage->ru_utime.tv_sec, &target_rusage->ru_utime.tv_sec); + __put_user(rusage->ru_utime.tv_usec, &target_rusage->ru_utime.tv_usec); + + __put_user(rusage->ru_stime.tv_sec, &target_rusage->ru_stime.tv_sec); + __put_user(rusage->ru_stime.tv_usec, &target_rusage->ru_stime.tv_usec); + + __put_user(rusage->ru_maxrss, &target_rusage->ru_maxrss); + __put_user(rusage->ru_idrss, &target_rusage->ru_idrss); + __put_user(rusage->ru_idrss, &target_rusage->ru_idrss); + __put_user(rusage->ru_isrss, &target_rusage->ru_isrss); + __put_user(rusage->ru_minflt, &target_rusage->ru_minflt); + __put_user(rusage->ru_majflt, &target_rusage->ru_majflt); + __put_user(rusage->ru_nswap, &target_rusage->ru_nswap); + __put_user(rusage->ru_inblock, &target_rusage->ru_inblock); + __put_user(rusage->ru_oublock, &target_rusage->ru_oublock); + __put_user(rusage->ru_msgsnd, &target_rusage->ru_msgsnd); + __put_user(rusage->ru_msgrcv, &target_rusage->ru_msgrcv); + __put_user(rusage->ru_nsignals, &target_rusage->ru_nsignals); + __put_user(rusage->ru_nvcsw, &target_rusage->ru_nvcsw); + __put_user(rusage->ru_nivcsw, &target_rusage->ru_nivcsw); +} + +abi_long host_to_target_rusage(abi_ulong target_addr, + const struct rusage *rusage) +{ + struct target_freebsd_rusage *target_rusage; + + if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0)) { + return -TARGET_EFAULT; + } + h2g_rusage(rusage, target_rusage); + unlock_user_struct(target_rusage, target_addr, 1); + + return 0; +} + +abi_long host_to_target_wrusage(abi_ulong target_addr, + const struct __wrusage *wrusage) +{ + struct target_freebsd__wrusage *target_wrusage; + + if (!lock_user_struct(VERIFY_WRITE, target_wrusage, target_addr, 0)) { + return -TARGET_EFAULT; + } + h2g_rusage(&wrusage->wru_self, &target_wrusage->wru_self); + h2g_rusage(&wrusage->wru_children, &target_wrusage->wru_children); + unlock_user_struct(target_wrusage, target_addr, 1); + + return 0; +} + +/* + * wait status conversion. + * + * Map host to target signal numbers for the wait family of syscalls. + * Assume all other status bits are the same. + */ +int host_to_target_waitstatus(int status) +{ + if (WIFSIGNALED(status)) { + return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f); + } + if (WIFSTOPPED(status)) { + return (host_to_target_signal(WSTOPSIG(status)) << 8) | (status & 0xff); + } + return status; +} + +int bsd_get_ncpu(void) +{ + int ncpu = -1; + cpuset_t mask; + + CPU_ZERO(&mask); + + if (cpuset_getaffinity(CPU_LEVEL_WHICH, CPU_WHICH_TID, -1, sizeof(mask), + &mask) == 0) { + ncpu = CPU_COUNT(&mask); + } + + if (ncpu == -1) { + ncpu = sysconf(_SC_NPROCESSORS_ONLN); + } + + if (ncpu == -1) { + gemu_log("XXX Missing bsd_get_ncpu() implementation\n"); + ncpu = 1; + } + + return ncpu; +} + diff --git a/bsd-user/bsd-proc.h b/bsd-user/bsd-proc.h index 0e1d461..8b1c2de 100644 --- a/bsd-user/bsd-proc.h +++ b/bsd-user/bsd-proc.h @@ -22,6 +22,13 @@ #include <sys/resource.h> +#include "qemu-bsd.h" +#include "gdbstub/syscalls.h" +#include "qemu/plugin.h" + +extern int _getlogin(char*, int); +int bsd_get_ncpu(void); + /* exit(2) */ static inline abi_long do_bsd_exit(void *cpu_env, abi_long arg1) { @@ -32,4 +39,376 @@ static inline abi_long do_bsd_exit(void *cpu_env, abi_long arg1) return 0; } +/* getgroups(2) */ +static inline abi_long do_bsd_getgroups(abi_long gidsetsize, abi_long arg2) +{ + abi_long ret; + uint32_t *target_grouplist; + g_autofree gid_t *grouplist; + int i; + + grouplist = g_try_new(gid_t, gidsetsize); + ret = get_errno(getgroups(gidsetsize, grouplist)); + if (gidsetsize != 0) { + if (!is_error(ret)) { + target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0); + if (!target_grouplist) { + return -TARGET_EFAULT; + } + for (i = 0; i < ret; i++) { + target_grouplist[i] = tswap32(grouplist[i]); + } + unlock_user(target_grouplist, arg2, gidsetsize * 2); + } + } + return ret; +} + +/* setgroups(2) */ +static inline abi_long do_bsd_setgroups(abi_long gidsetsize, abi_long arg2) +{ + uint32_t *target_grouplist; + g_autofree gid_t *grouplist; + int i; + + grouplist = g_try_new(gid_t, gidsetsize); + target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1); + if (!target_grouplist) { + return -TARGET_EFAULT; + } + for (i = 0; i < gidsetsize; i++) { + grouplist[i] = tswap32(target_grouplist[i]); + } + unlock_user(target_grouplist, arg2, 0); + return get_errno(setgroups(gidsetsize, grouplist)); +} + +/* umask(2) */ +static inline abi_long do_bsd_umask(abi_long arg1) +{ + return get_errno(umask(arg1)); +} + +/* setlogin(2) */ +static inline abi_long do_bsd_setlogin(abi_long arg1) +{ + abi_long ret; + void *p; + + p = lock_user_string(arg1); + if (p == NULL) { + return -TARGET_EFAULT; + } + ret = get_errno(setlogin(p)); + unlock_user(p, arg1, 0); + + return ret; +} + +/* getlogin(2) */ +static inline abi_long do_bsd_getlogin(abi_long arg1, abi_long arg2) +{ + abi_long ret; + void *p; + + p = lock_user(VERIFY_WRITE, arg1, arg2, 0); + if (p == NULL) { + return -TARGET_EFAULT; + } + ret = get_errno(_getlogin(p, arg2)); + unlock_user(p, arg1, arg2); + + return ret; +} + +/* getrusage(2) */ +static inline abi_long do_bsd_getrusage(abi_long who, abi_ulong target_addr) +{ + abi_long ret; + struct rusage rusage; + + ret = get_errno(getrusage(who, &rusage)); + if (!is_error(ret)) { + host_to_target_rusage(target_addr, &rusage); + } + return ret; +} + +/* getrlimit(2) */ +static inline abi_long do_bsd_getrlimit(abi_long arg1, abi_ulong arg2) +{ + abi_long ret; + int resource = target_to_host_resource(arg1); + struct target_rlimit *target_rlim; + struct rlimit rlim; + + switch (resource) { + case RLIMIT_STACK: + rlim.rlim_cur = target_dflssiz; + rlim.rlim_max = target_maxssiz; + ret = 0; + break; + + case RLIMIT_DATA: + rlim.rlim_cur = target_dfldsiz; + rlim.rlim_max = target_maxdsiz; + ret = 0; + break; + + default: + ret = get_errno(getrlimit(resource, &rlim)); + break; + } + if (!is_error(ret)) { + if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) { + return -TARGET_EFAULT; + } + target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); + target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); + unlock_user_struct(target_rlim, arg2, 1); + } + return ret; +} + +/* setrlimit(2) */ +static inline abi_long do_bsd_setrlimit(abi_long arg1, abi_ulong arg2) +{ + abi_long ret; + int resource = target_to_host_resource(arg1); + struct target_rlimit *target_rlim; + struct rlimit rlim; + + if (RLIMIT_STACK == resource) { + /* XXX We should, maybe, allow the stack size to shrink */ + ret = -TARGET_EPERM; + } else { + if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1)) { + return -TARGET_EFAULT; + } + rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur); + rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max); + unlock_user_struct(target_rlim, arg2, 0); + ret = get_errno(setrlimit(resource, &rlim)); + } + return ret; +} + +/* getpid(2) */ +static inline abi_long do_bsd_getpid(void) +{ + return get_errno(getpid()); +} + +/* getppid(2) */ +static inline abi_long do_bsd_getppid(void) +{ + return get_errno(getppid()); +} + +/* getuid(2) */ +static inline abi_long do_bsd_getuid(void) +{ + return get_errno(getuid()); +} + +/* geteuid(2) */ +static inline abi_long do_bsd_geteuid(void) +{ + return get_errno(geteuid()); +} + +/* getgid(2) */ +static inline abi_long do_bsd_getgid(void) +{ + return get_errno(getgid()); +} + +/* getegid(2) */ +static inline abi_long do_bsd_getegid(void) +{ + return get_errno(getegid()); +} + +/* setuid(2) */ +static inline abi_long do_bsd_setuid(abi_long arg1) +{ + return get_errno(setuid(arg1)); +} + +/* seteuid(2) */ +static inline abi_long do_bsd_seteuid(abi_long arg1) +{ + return get_errno(seteuid(arg1)); +} + +/* setgid(2) */ +static inline abi_long do_bsd_setgid(abi_long arg1) +{ + return get_errno(setgid(arg1)); +} + +/* setegid(2) */ +static inline abi_long do_bsd_setegid(abi_long arg1) +{ + return get_errno(setegid(arg1)); +} + +/* getpgid(2) */ +static inline abi_long do_bsd_getpgid(pid_t pid) +{ + return get_errno(getpgid(pid)); +} + +/* setpgid(2) */ +static inline abi_long do_bsd_setpgid(int pid, int pgrp) +{ + return get_errno(setpgid(pid, pgrp)); +} + +/* getpgrp(2) */ +static inline abi_long do_bsd_getpgrp(void) +{ + return get_errno(getpgrp()); +} + +/* setreuid(2) */ +static inline abi_long do_bsd_setreuid(abi_long arg1, abi_long arg2) +{ + return get_errno(setreuid(arg1, arg2)); +} + +/* setregid(2) */ +static inline abi_long do_bsd_setregid(abi_long arg1, abi_long arg2) +{ + return get_errno(setregid(arg1, arg2)); +} + +/* setresgid(2) */ +static inline abi_long do_bsd_setresgid(gid_t rgid, gid_t egid, gid_t sgid) +{ + return get_errno(setresgid(rgid, egid, sgid)); +} + +/* setresuid(2) */ +static inline abi_long do_bsd_setresuid(uid_t ruid, uid_t euid, uid_t suid) +{ + return get_errno(setresuid(ruid, euid, suid)); +} + +/* getresuid(2) */ +static inline abi_long do_bsd_getresuid(abi_ulong arg1, abi_ulong arg2, + abi_ulong arg3) +{ + abi_long ret; + uid_t ruid, euid, suid; + + ret = get_errno(getresuid(&ruid, &euid, &suid)); + if (is_error(ret)) { + return ret; + } + if (put_user_s32(ruid, arg1)) { + return -TARGET_EFAULT; + } + if (put_user_s32(euid, arg2)) { + return -TARGET_EFAULT; + } + if (put_user_s32(suid, arg3)) { + return -TARGET_EFAULT; + } + return ret; +} + +/* getresgid(2) */ +static inline abi_long do_bsd_getresgid(abi_ulong arg1, abi_ulong arg2, + abi_ulong arg3) +{ + abi_long ret; + uid_t ruid, euid, suid; + + ret = get_errno(getresgid(&ruid, &euid, &suid)); + if (is_error(ret)) { + return ret; + } + if (put_user_s32(ruid, arg1)) { + return -TARGET_EFAULT; + } + if (put_user_s32(euid, arg2)) { + return -TARGET_EFAULT; + } + if (put_user_s32(suid, arg3)) { + return -TARGET_EFAULT; + } + return ret; +} + +/* getsid(2) */ +static inline abi_long do_bsd_getsid(abi_long arg1) +{ + return get_errno(getsid(arg1)); +} + +/* setsid(2) */ +static inline abi_long do_bsd_setsid(void) +{ + return get_errno(setsid()); +} + +/* issetugid(2) */ +static inline abi_long do_bsd_issetugid(void) +{ + return get_errno(issetugid()); +} + +/* profil(2) */ +static inline abi_long do_bsd_profil(abi_long arg1, abi_long arg2, + abi_long arg3, abi_long arg4) +{ + return -TARGET_ENOSYS; +} + +/* ktrace(2) */ +static inline abi_long do_bsd_ktrace(abi_long arg1, abi_long arg2, + abi_long arg3, abi_long arg4) +{ + return -TARGET_ENOSYS; +} + +/* utrace(2) */ +static inline abi_long do_bsd_utrace(abi_long arg1, abi_long arg2) +{ + return -TARGET_ENOSYS; +} + + +/* ptrace(2) */ +static inline abi_long do_bsd_ptrace(abi_long arg1, abi_long arg2, + abi_long arg3, abi_long arg4) +{ + return -TARGET_ENOSYS; +} + +/* getpriority(2) */ +static inline abi_long do_bsd_getpriority(abi_long which, abi_long who) +{ + abi_long ret; + /* + * Note that negative values are valid for getpriority, so we must + * differentiate based on errno settings. + */ + errno = 0; + ret = getpriority(which, who); + if (ret == -1 && errno != 0) { + return -host_to_target_errno(errno); + } + + return ret; +} + +/* setpriority(2) */ +static inline abi_long do_bsd_setpriority(abi_long which, abi_long who, + abi_long prio) +{ + return get_errno(setpriority(which, who, prio)); +} + #endif /* !BSD_PROC_H_ */ diff --git a/bsd-user/freebsd/meson.build b/bsd-user/freebsd/meson.build index f2f047c..8fd6c7c 100644 --- a/bsd-user/freebsd/meson.build +++ b/bsd-user/freebsd/meson.build @@ -1,5 +1,6 @@ bsd_user_ss.add(files( 'os-stat.c', + 'os-proc.c', 'os-sys.c', 'os-syscall.c', )) diff --git a/bsd-user/freebsd/os-misc.h b/bsd-user/freebsd/os-misc.h new file mode 100644 index 0000000..7114576 --- /dev/null +++ b/bsd-user/freebsd/os-misc.h @@ -0,0 +1,98 @@ +/* + * miscellaneous FreeBSD system call shims + * + * Copyright (c) 2013-14 Stacey D. Son + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef OS_MISC_H +#define OS_MISC_H + +#include <sys/cpuset.h> +#include <sys/random.h> +#include <sched.h> + +/* + * shm_open2 isn't exported, but the __sys_ alias is. We can use either for the + * static version, but to dynamically link we have to use the sys version. + */ +int __sys_shm_open2(const char *path, int flags, mode_t mode, int shmflags, + const char *); + +#if defined(__FreeBSD_version) && __FreeBSD_version >= 1300048 +/* shm_open2(2) */ +static inline abi_long do_freebsd_shm_open2(abi_ulong pathptr, abi_ulong flags, + abi_long mode, abi_ulong shmflags, abi_ulong nameptr) +{ + int ret; + void *uname, *upath; + + if (pathptr == (uintptr_t)SHM_ANON) { + upath = SHM_ANON; + } else { + upath = lock_user_string(pathptr); + if (upath == NULL) { + return -TARGET_EFAULT; + } + } + + uname = NULL; + if (nameptr != 0) { + uname = lock_user_string(nameptr); + if (uname == NULL) { + unlock_user(upath, pathptr, 0); + return -TARGET_EFAULT; + } + } + ret = get_errno(__sys_shm_open2(upath, + target_to_host_bitmask(flags, fcntl_flags_tbl), mode, + target_to_host_bitmask(shmflags, shmflag_flags_tbl), uname)); + + if (upath != SHM_ANON) { + unlock_user(upath, pathptr, 0); + } + if (uname != NULL) { + unlock_user(uname, nameptr, 0); + } + return ret; +} +#endif /* __FreeBSD_version >= 1300048 */ + +#if defined(__FreeBSD_version) && __FreeBSD_version >= 1300049 +/* shm_rename(2) */ +static inline abi_long do_freebsd_shm_rename(abi_ulong fromptr, abi_ulong toptr, + abi_ulong flags) +{ + int ret; + void *ufrom, *uto; + + ufrom = lock_user_string(fromptr); + if (ufrom == NULL) { + return -TARGET_EFAULT; + } + uto = lock_user_string(toptr); + if (uto == NULL) { + unlock_user(ufrom, fromptr, 0); + return -TARGET_EFAULT; + } + ret = get_errno(shm_rename(ufrom, uto, flags)); + unlock_user(ufrom, fromptr, 0); + unlock_user(uto, toptr, 0); + + return ret; +} +#endif /* __FreeBSD_version >= 1300049 */ + +#endif /* OS_MISC_H */ diff --git a/bsd-user/freebsd/os-proc.c b/bsd-user/freebsd/os-proc.c new file mode 100644 index 0000000..4e67ae4 --- /dev/null +++ b/bsd-user/freebsd/os-proc.c @@ -0,0 +1,480 @@ +/* + * FreeBSD process related emulation code + * + * Copyright (c) 2013-15 Stacey D. Son + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + */ +#include "qemu/osdep.h" + +#include <sys/param.h> +#include <sys/queue.h> +#include <sys/sysctl.h> +struct kinfo_proc; +#include <libprocstat.h> + +#include "qemu.h" + +/* + * Get the filename for the given file descriptor. + * Note that this may return NULL (fail) if no longer cached in the kernel. + */ +static char * +get_filename_from_fd(pid_t pid, int fd, char *filename, size_t len) +{ + char *ret = NULL; + unsigned int cnt; + struct procstat *procstat = NULL; + struct kinfo_proc *kp = NULL; + struct filestat_list *head = NULL; + struct filestat *fst; + + procstat = procstat_open_sysctl(); + if (procstat == NULL) { + goto out; + } + + kp = procstat_getprocs(procstat, KERN_PROC_PID, pid, &cnt); + if (kp == NULL) { + goto out; + } + + head = procstat_getfiles(procstat, kp, 0); + if (head == NULL) { + goto out; + } + + STAILQ_FOREACH(fst, head, next) { + if (fd == fst->fs_fd) { + if (fst->fs_path != NULL) { + (void)strlcpy(filename, fst->fs_path, len); + ret = filename; + } + break; + } + } + +out: + if (head != NULL) { + procstat_freefiles(procstat, head); + } + if (kp != NULL) { + procstat_freeprocs(procstat, kp); + } + if (procstat != NULL) { + procstat_close(procstat); + } + return ret; +} + +/* + * execve/fexecve + */ +abi_long freebsd_exec_common(abi_ulong path_or_fd, abi_ulong guest_argp, + abi_ulong guest_envp, int do_fexec) +{ + char **argp, **envp, **qargp, **qarg1, **qarg0, **qargend; + int argc, envc; + abi_ulong gp; + abi_ulong addr; + char **q; + int total_size = 0; + void *p; + abi_long ret; + + argc = 0; + for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) { + if (get_user_ual(addr, gp)) { + return -TARGET_EFAULT; + } + if (!addr) { + break; + } + argc++; + } + envc = 0; + for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) { + if (get_user_ual(addr, gp)) { + return -TARGET_EFAULT; + } + if (!addr) { + break; + } + envc++; + } + + qarg0 = argp = g_new0(char *, argc + 9); + /* save the first agrument for the emulator */ + *argp++ = (char *)getprogname(); + qargp = argp; + *argp++ = (char *)getprogname(); + qarg1 = argp; + envp = g_new0(char *, envc + 1); + for (gp = guest_argp, q = argp; gp; gp += sizeof(abi_ulong), q++) { + if (get_user_ual(addr, gp)) { + ret = -TARGET_EFAULT; + goto execve_end; + } + if (!addr) { + break; + } + *q = lock_user_string(addr); + if (*q == NULL) { + ret = -TARGET_EFAULT; + goto execve_end; + } + total_size += strlen(*q) + 1; + } + *q++ = NULL; + qargend = q; + + for (gp = guest_envp, q = envp; gp; gp += sizeof(abi_ulong), q++) { + if (get_user_ual(addr, gp)) { + ret = -TARGET_EFAULT; + goto execve_end; + } + if (!addr) { + break; + } + *q = lock_user_string(addr); + if (*q == NULL) { + ret = -TARGET_EFAULT; + goto execve_end; + } + total_size += strlen(*q) + 1; + } + *q = NULL; + + /* + * This case will not be caught by the host's execve() if its + * page size is bigger than the target's. + */ + if (total_size > MAX_ARG_PAGES * TARGET_PAGE_SIZE) { + ret = -TARGET_E2BIG; + goto execve_end; + } + + if (do_fexec) { + if (((int)path_or_fd > 0 && + is_target_elf_binary((int)path_or_fd)) == 1) { + char execpath[PATH_MAX]; + + /* + * The executable is an elf binary for the target + * arch. execve() it using the emulator if we can + * determine the filename path from the fd. + */ + if (get_filename_from_fd(getpid(), (int)path_or_fd, execpath, + sizeof(execpath)) != NULL) { + memmove(qarg1 + 2, qarg1, (qargend - qarg1) * sizeof(*qarg1)); + qarg1[1] = qarg1[0]; + qarg1[0] = (char *)"-0"; + qarg1 += 2; + qargend += 2; + *qarg1 = execpath; +#ifndef DONT_INHERIT_INTERP_PREFIX + memmove(qarg1 + 2, qarg1, (qargend - qarg1) * sizeof(*qarg1)); + *qarg1++ = (char *)"-L"; + *qarg1++ = (char *)interp_prefix; +#endif + ret = get_errno(execve(qemu_proc_pathname, qargp, envp)); + } else { + /* Getting the filename path failed. */ + ret = -TARGET_EBADF; + goto execve_end; + } + } else { + ret = get_errno(fexecve((int)path_or_fd, argp, envp)); + } + } else { + int fd; + + p = lock_user_string(path_or_fd); + if (p == NULL) { + ret = -TARGET_EFAULT; + goto execve_end; + } + + /* + * Check the header and see if it a target elf binary. If so + * then execute using qemu user mode emulator. + */ + fd = open(p, O_RDONLY | O_CLOEXEC); + if (fd > 0 && is_target_elf_binary(fd) == 1) { + close(fd); + /* execve() as a target binary using emulator. */ + memmove(qarg1 + 2, qarg1, (qargend - qarg1) * sizeof(*qarg1)); + qarg1[1] = qarg1[0]; + qarg1[0] = (char *)"-0"; + qarg1 += 2; + qargend += 2; + *qarg1 = (char *)p; +#ifndef DONT_INHERIT_INTERP_PREFIX + memmove(qarg1 + 2, qarg1, (qargend - qarg1) * sizeof(*qarg1)); + *qarg1++ = (char *)"-L"; + *qarg1++ = (char *)interp_prefix; +#endif + ret = get_errno(execve(qemu_proc_pathname, qargp, envp)); + } else { + close(fd); + /* Execve() as a host native binary. */ + ret = get_errno(execve(p, argp, envp)); + } + unlock_user(p, path_or_fd, 0); + } + +execve_end: + for (gp = guest_argp, q = argp; *q; gp += sizeof(abi_ulong), q++) { + if (get_user_ual(addr, gp) || !addr) { + break; + } + unlock_user(*q, addr, 0); + } + + for (gp = guest_envp, q = envp; *q; gp += sizeof(abi_ulong), q++) { + if (get_user_ual(addr, gp) || !addr) { + break; + } + unlock_user(*q, addr, 0); + } + + g_free(qarg0); + g_free(envp); + + return ret; +} + +#include <sys/procctl.h> + +static abi_long +t2h_procctl_cmd(int target_cmd, int *host_cmd) +{ + switch (target_cmd) { + case TARGET_PROC_SPROTECT: + *host_cmd = PROC_SPROTECT; + break; + + case TARGET_PROC_REAP_ACQUIRE: + *host_cmd = PROC_REAP_ACQUIRE; + break; + + case TARGET_PROC_REAP_RELEASE: + *host_cmd = PROC_REAP_RELEASE; + break; + + case TARGET_PROC_REAP_STATUS: + *host_cmd = PROC_REAP_STATUS; + break; + + case TARGET_PROC_REAP_KILL: + *host_cmd = PROC_REAP_KILL; + break; + + default: + return -TARGET_EINVAL; + } + + return 0; +} + +static abi_long +h2t_reaper_status(struct procctl_reaper_status *host_rs, + abi_ulong target_rs_addr) +{ + struct target_procctl_reaper_status *target_rs; + + if (!lock_user_struct(VERIFY_WRITE, target_rs, target_rs_addr, 0)) { + return -TARGET_EFAULT; + } + __put_user(host_rs->rs_flags, &target_rs->rs_flags); + __put_user(host_rs->rs_children, &target_rs->rs_children); + __put_user(host_rs->rs_descendants, &target_rs->rs_descendants); + __put_user(host_rs->rs_reaper, &target_rs->rs_reaper); + __put_user(host_rs->rs_pid, &target_rs->rs_pid); + unlock_user_struct(target_rs, target_rs_addr, 1); + + return 0; +} + +static abi_long +t2h_reaper_kill(abi_ulong target_rk_addr, struct procctl_reaper_kill *host_rk) +{ + struct target_procctl_reaper_kill *target_rk; + + if (!lock_user_struct(VERIFY_READ, target_rk, target_rk_addr, 1)) { + return -TARGET_EFAULT; + } + __get_user(host_rk->rk_sig, &target_rk->rk_sig); + __get_user(host_rk->rk_flags, &target_rk->rk_flags); + __get_user(host_rk->rk_subtree, &target_rk->rk_subtree); + __get_user(host_rk->rk_killed, &target_rk->rk_killed); + __get_user(host_rk->rk_fpid, &target_rk->rk_fpid); + unlock_user_struct(target_rk, target_rk_addr, 0); + + return 0; +} + +static abi_long +h2t_reaper_kill(struct procctl_reaper_kill *host_rk, abi_ulong target_rk_addr) +{ + struct target_procctl_reaper_kill *target_rk; + + if (!lock_user_struct(VERIFY_WRITE, target_rk, target_rk_addr, 0)) { + return -TARGET_EFAULT; + } + __put_user(host_rk->rk_sig, &target_rk->rk_sig); + __put_user(host_rk->rk_flags, &target_rk->rk_flags); + __put_user(host_rk->rk_subtree, &target_rk->rk_subtree); + __put_user(host_rk->rk_killed, &target_rk->rk_killed); + __put_user(host_rk->rk_fpid, &target_rk->rk_fpid); + unlock_user_struct(target_rk, target_rk_addr, 1); + + return 0; +} + +static abi_long +h2t_procctl_reaper_pidinfo(struct procctl_reaper_pidinfo *host_pi, + abi_ulong target_pi_addr) +{ + struct target_procctl_reaper_pidinfo *target_pi; + + if (!lock_user_struct(VERIFY_WRITE, target_pi, target_pi_addr, 0)) { + return -TARGET_EFAULT; + } + __put_user(host_pi->pi_pid, &target_pi->pi_pid); + __put_user(host_pi->pi_subtree, &target_pi->pi_subtree); + __put_user(host_pi->pi_flags, &target_pi->pi_flags); + unlock_user_struct(target_pi, target_pi_addr, 1); + + return 0; +} + +abi_long +do_freebsd_procctl(void *cpu_env, int idtype, abi_ulong arg2, abi_ulong arg3, + abi_ulong arg4, abi_ulong arg5, abi_ulong arg6) +{ + abi_long error = 0, target_rp_pids; + void *data; + int host_cmd, flags; + uint32_t u, target_rp_count; + g_autofree union { + struct procctl_reaper_status rs; + struct procctl_reaper_pids rp; + struct procctl_reaper_kill rk; + } host; + struct target_procctl_reaper_pids *target_rp; + id_t id; /* 64-bit */ + int target_cmd; + abi_ulong target_arg; + +#if TARGET_ABI_BITS == 32 + /* See if we need to align the register pairs. */ + if (regpairs_aligned(cpu_env)) { + id = (id_t)target_arg64(arg3, arg4); + target_cmd = (int)arg5; + target_arg = arg6; + } else { + id = (id_t)target_arg64(arg2, arg3); + target_cmd = (int)arg4; + target_arg = arg5; + } +#else + id = (id_t)arg2; + target_cmd = (int)arg3; + target_arg = arg4; +#endif + + error = t2h_procctl_cmd(target_cmd, &host_cmd); + if (error) { + return error; + } + switch (host_cmd) { + case PROC_SPROTECT: + data = &flags; + break; + + case PROC_REAP_ACQUIRE: + case PROC_REAP_RELEASE: + if (target_arg == 0) { + data = NULL; + } else { + error = -TARGET_EINVAL; + } + break; + + case PROC_REAP_STATUS: + data = &host.rs; + break; + + case PROC_REAP_GETPIDS: + if (!lock_user_struct(VERIFY_READ, target_rp, target_arg, 1)) { + return -TARGET_EFAULT; + } + __get_user(target_rp_count, &target_rp->rp_count); + __get_user(target_rp_pids, &target_rp->rp_pids); + unlock_user_struct(target_rp, target_arg, 0); + host.rp.rp_count = target_rp_count; + host.rp.rp_pids = g_try_new(struct procctl_reaper_pidinfo, + target_rp_count); + + if (host.rp.rp_pids == NULL) { + error = -TARGET_ENOMEM; + } else { + data = &host.rp; + } + break; + + case PROC_REAP_KILL: + error = t2h_reaper_kill(target_arg, &host.rk); + break; + } + + if (error) { + return error; + } + error = get_errno(procctl(idtype, id, host_cmd, data)); + + if (error) { + return error; + } + switch (host_cmd) { + case PROC_SPROTECT: + if (put_user_s32(flags, target_arg)) { + return -TARGET_EFAULT; + } + break; + + case PROC_REAP_STATUS: + error = h2t_reaper_status(&host.rs, target_arg); + break; + + case PROC_REAP_GETPIDS: + /* copyout reaper pidinfo */ + for (u = 0; u < target_rp_count; u++) { + error = h2t_procctl_reaper_pidinfo(&host.rp.rp_pids[u], + target_rp_pids + + (u * sizeof(struct target_procctl_reaper_pidinfo))); + if (error) { + break; + } + } + break; + + case PROC_REAP_KILL: + error = h2t_reaper_kill(&host.rk, target_arg); + break; + } + + return error; +} diff --git a/bsd-user/freebsd/os-proc.h b/bsd-user/freebsd/os-proc.h new file mode 100644 index 0000000..d641878 --- /dev/null +++ b/bsd-user/freebsd/os-proc.h @@ -0,0 +1,293 @@ +/* + * process related system call shims and definitions + * + * Copyright (c) 2013-14 Stacey D. Son + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef BSD_USER_FREEBSD_OS_PROC_H +#define BSD_USER_FREEBSD_OS_PROC_H + +#include <sys/param.h> +#include <sys/procctl.h> +#include <sys/signal.h> +#include <sys/types.h> +#include <sys/procdesc.h> +#include <sys/wait.h> +#include <unistd.h> + +#include "target_arch_cpu.h" + +pid_t safe_wait4(pid_t wpid, int *status, int options, struct rusage *rusage); +pid_t safe_wait6(idtype_t idtype, id_t id, int *status, int options, + struct __wrusage *wrusage, siginfo_t *infop); + +extern int __setugid(int flag); + +/* execve(2) */ +static inline abi_long do_freebsd_execve(abi_ulong path_or_fd, abi_ulong argp, + abi_ulong envp) +{ + + return freebsd_exec_common(path_or_fd, argp, envp, 0); +} + +/* fexecve(2) */ +static inline abi_long do_freebsd_fexecve(abi_ulong path_or_fd, abi_ulong argp, + abi_ulong envp) +{ + + return freebsd_exec_common(path_or_fd, argp, envp, 1); +} + +/* wait4(2) */ +static inline abi_long do_freebsd_wait4(abi_long arg1, abi_ulong target_status, + abi_long arg3, abi_ulong target_rusage) +{ + abi_long ret; + int status; + struct rusage rusage, *rusage_ptr = NULL; + + if (target_rusage) { + rusage_ptr = &rusage; + } + ret = get_errno(safe_wait4(arg1, &status, arg3, rusage_ptr)); + + if (ret < 0) { + return ret; + } + if (target_status != 0) { + status = host_to_target_waitstatus(status); + if (put_user_s32(status, target_status) != 0) { + return -TARGET_EFAULT; + } + } + if (target_rusage != 0) { + host_to_target_rusage(target_rusage, &rusage); + } + return ret; +} + +/* wait6(2) */ +static inline abi_long do_freebsd_wait6(void *cpu_env, abi_long idtype, + abi_long id1, abi_long id2, + abi_ulong target_status, abi_long options, abi_ulong target_wrusage, + abi_ulong target_infop, abi_ulong pad1) +{ + abi_long ret; + int status; + struct __wrusage wrusage, *wrusage_ptr = NULL; + siginfo_t info; + void *p; + + if (regpairs_aligned(cpu_env) != 0) { + /* printf("shifting args\n"); */ + /* 64-bit id is aligned, so shift all the arguments over by one */ + id1 = id2; + id2 = target_status; + target_status = options; + options = target_wrusage; + target_wrusage = target_infop; + target_infop = pad1; + } + + if (target_wrusage) { + wrusage_ptr = &wrusage; + } + ret = get_errno(safe_wait6(idtype, target_arg64(id1, id2), + &status, options, wrusage_ptr, &info)); + + if (ret < 0) { + return ret; + } + if (target_status != 0) { + status = host_to_target_waitstatus(status); + if (put_user_s32(status, target_status) != 0) { + return -TARGET_EFAULT; + } + } + if (target_wrusage != 0) { + host_to_target_wrusage(target_wrusage, &wrusage); + } + if (target_infop != 0) { + p = lock_user(VERIFY_WRITE, target_infop, sizeof(target_siginfo_t), 0); + if (p == NULL) { + return -TARGET_EFAULT; + } + host_to_target_siginfo(p, &info); + unlock_user(p, target_infop, sizeof(target_siginfo_t)); + } + return ret; +} + +/* setloginclass(2) */ +static inline abi_long do_freebsd_setloginclass(abi_ulong arg1) +{ + abi_long ret; + void *p; + + p = lock_user_string(arg1); + if (p == NULL) { + return -TARGET_EFAULT; + } + ret = get_errno(setloginclass(p)); + unlock_user(p, arg1, 0); + + return ret; +} + +/* getloginclass(2) */ +static inline abi_long do_freebsd_getloginclass(abi_ulong arg1, abi_ulong arg2) +{ + abi_long ret; + void *p; + + p = lock_user(VERIFY_WRITE, arg1, arg2, 0); + if (p == NULL) { + return -TARGET_EFAULT; + } + ret = get_errno(getloginclass(p, arg2)); + unlock_user(p, arg1, arg2); + + return ret; +} + +/* pdgetpid(2) */ +static inline abi_long do_freebsd_pdgetpid(abi_long fd, abi_ulong target_pidp) +{ + abi_long ret; + pid_t pid; + + ret = get_errno(pdgetpid(fd, &pid)); + if (!is_error(ret)) { + if (put_user_u32(pid, target_pidp)) { + return -TARGET_EFAULT; + } + } + return ret; +} + +/* undocumented __setugid */ +static inline abi_long do_freebsd___setugid(abi_long arg1) +{ + return -TARGET_ENOSYS; +} + +/* fork(2) */ +static inline abi_long do_freebsd_fork(void *cpu_env) +{ + abi_long ret; + abi_ulong child_flag; + + fork_start(); + ret = fork(); + if (ret == 0) { + /* child */ + child_flag = 1; + target_cpu_clone_regs(cpu_env, 0); + } else { + /* parent */ + child_flag = 0; + } + + /* + * The fork system call sets a child flag in the second return + * value: 0 for parent process, 1 for child process. + */ + set_second_rval(cpu_env, child_flag); + + fork_end(child_flag); + + return ret; +} + +/* vfork(2) */ +static inline abi_long do_freebsd_vfork(void *cpu_env) +{ + return do_freebsd_fork(cpu_env); +} + +/* rfork(2) */ +static inline abi_long do_freebsd_rfork(void *cpu_env, abi_long flags) +{ + abi_long ret; + abi_ulong child_flag; + + /* + * XXX We need to handle RFMEM here, as well. Neither are safe to execute + * as-is on x86 hosts because they'll split memory but not the stack, + * wreaking havoc on host architectures that use the stack to store the + * return address as both threads try to pop it off. Rejecting RFSPAWN + * entirely for now is ok, the only consumer at the moment is posix_spawn + * and it will fall back to classic vfork(2) if we return EINVAL. + */ + if ((flags & TARGET_RFSPAWN) != 0) { + return -TARGET_EINVAL; + } + fork_start(); + ret = rfork(flags); + if (ret == 0) { + /* child */ + child_flag = 1; + target_cpu_clone_regs(cpu_env, 0); + } else { + /* parent */ + child_flag = 0; + } + + /* + * The fork system call sets a child flag in the second return + * value: 0 for parent process, 1 for child process. + */ + set_second_rval(cpu_env, child_flag); + fork_end(child_flag); + + return ret; + +} + +/* pdfork(2) */ +static inline abi_long do_freebsd_pdfork(void *cpu_env, abi_ulong target_fdp, + abi_long flags) +{ + abi_long ret; + abi_ulong child_flag; + int fd; + + fork_start(); + ret = pdfork(&fd, flags); + if (ret == 0) { + /* child */ + child_flag = 1; + target_cpu_clone_regs(cpu_env, 0); + } else { + /* parent */ + child_flag = 0; + if (put_user_s32(fd, target_fdp)) { + return -TARGET_EFAULT; + } + } + + /* + * The fork system call sets a child flag in the second return + * value: 0 for parent process, 1 for child process. + */ + set_second_rval(cpu_env, child_flag); + fork_end(child_flag); + + return ret; +} + +#endif /* BSD_USER_FREEBSD_OS_PROC_H */ diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index fa60df5..ca2f6fd 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -33,11 +33,15 @@ #include "signal-common.h" #include "user/syscall-trace.h" +/* BSD independent syscall shims */ #include "bsd-file.h" +#include "bsd-mem.h" #include "bsd-proc.h" -/* *BSD dependent syscall shims */ +/* BSD dependent syscall shims */ #include "os-stat.h" +#include "os-proc.h" +#include "os-misc.h" /* I/O */ safe_syscall3(int, open, const char *, path, int, flags, mode_t, mode); @@ -58,9 +62,11 @@ safe_syscall3(ssize_t, writev, int, fd, const struct iovec *, iov, int, iovcnt); safe_syscall4(ssize_t, pwritev, int, fd, const struct iovec *, iov, int, iovcnt, off_t, offset); -void target_set_brk(abi_ulong new_brk) -{ -} +/* used in os-proc */ +safe_syscall4(pid_t, wait4, pid_t, wpid, int *, status, int, options, + struct rusage *, rusage); +safe_syscall6(pid_t, wait6, idtype_t, idtype, id_t, id, int *, status, int, + options, struct __wrusage *, wrusage, siginfo_t *, infop); /* * errno conversion. @@ -219,10 +225,207 @@ static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1, /* * process system calls */ + case TARGET_FREEBSD_NR_fork: /* fork(2) */ + ret = do_freebsd_fork(cpu_env); + break; + + case TARGET_FREEBSD_NR_vfork: /* vfork(2) */ + ret = do_freebsd_vfork(cpu_env); + break; + + case TARGET_FREEBSD_NR_rfork: /* rfork(2) */ + ret = do_freebsd_rfork(cpu_env, arg1); + break; + + case TARGET_FREEBSD_NR_pdfork: /* pdfork(2) */ + ret = do_freebsd_pdfork(cpu_env, arg1, arg2); + break; + + case TARGET_FREEBSD_NR_execve: /* execve(2) */ + ret = do_freebsd_execve(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_fexecve: /* fexecve(2) */ + ret = do_freebsd_fexecve(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_wait4: /* wait4(2) */ + ret = do_freebsd_wait4(arg1, arg2, arg3, arg4); + break; + + case TARGET_FREEBSD_NR_wait6: /* wait6(2) */ + ret = do_freebsd_wait6(cpu_env, arg1, arg2, arg3, + arg4, arg5, arg6, arg7, arg8); + break; + case TARGET_FREEBSD_NR_exit: /* exit(2) */ ret = do_bsd_exit(cpu_env, arg1); break; + case TARGET_FREEBSD_NR_getgroups: /* getgroups(2) */ + ret = do_bsd_getgroups(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_setgroups: /* setgroups(2) */ + ret = do_bsd_setgroups(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_umask: /* umask(2) */ + ret = do_bsd_umask(arg1); + break; + + case TARGET_FREEBSD_NR_setlogin: /* setlogin(2) */ + ret = do_bsd_setlogin(arg1); + break; + + case TARGET_FREEBSD_NR_getlogin: /* getlogin(2) */ + ret = do_bsd_getlogin(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_getrusage: /* getrusage(2) */ + ret = do_bsd_getrusage(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_getrlimit: /* getrlimit(2) */ + ret = do_bsd_getrlimit(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_setrlimit: /* setrlimit(2) */ + ret = do_bsd_setrlimit(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_getpid: /* getpid(2) */ + ret = do_bsd_getpid(); + break; + + case TARGET_FREEBSD_NR_getppid: /* getppid(2) */ + ret = do_bsd_getppid(); + break; + + case TARGET_FREEBSD_NR_getuid: /* getuid(2) */ + ret = do_bsd_getuid(); + break; + + case TARGET_FREEBSD_NR_geteuid: /* geteuid(2) */ + ret = do_bsd_geteuid(); + break; + + case TARGET_FREEBSD_NR_getgid: /* getgid(2) */ + ret = do_bsd_getgid(); + break; + + case TARGET_FREEBSD_NR_getegid: /* getegid(2) */ + ret = do_bsd_getegid(); + break; + + case TARGET_FREEBSD_NR_setuid: /* setuid(2) */ + ret = do_bsd_setuid(arg1); + break; + + case TARGET_FREEBSD_NR_seteuid: /* seteuid(2) */ + ret = do_bsd_seteuid(arg1); + break; + + case TARGET_FREEBSD_NR_setgid: /* setgid(2) */ + ret = do_bsd_setgid(arg1); + break; + + case TARGET_FREEBSD_NR_setegid: /* setegid(2) */ + ret = do_bsd_setegid(arg1); + break; + + case TARGET_FREEBSD_NR_getpgrp: /* getpgrp(2) */ + ret = do_bsd_getpgrp(); + break; + + case TARGET_FREEBSD_NR_getpgid: /* getpgid(2) */ + ret = do_bsd_getpgid(arg1); + break; + + case TARGET_FREEBSD_NR_setpgid: /* setpgid(2) */ + ret = do_bsd_setpgid(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_setreuid: /* setreuid(2) */ + ret = do_bsd_setreuid(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_setregid: /* setregid(2) */ + ret = do_bsd_setregid(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_getresuid: /* getresuid(2) */ + ret = do_bsd_getresuid(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_getresgid: /* getresgid(2) */ + ret = do_bsd_getresgid(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_setresuid: /* setresuid(2) */ + ret = do_bsd_setresuid(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_setresgid: /* setresgid(2) */ + ret = do_bsd_setresgid(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_getsid: /* getsid(2) */ + ret = do_bsd_getsid(arg1); + break; + + case TARGET_FREEBSD_NR_setsid: /* setsid(2) */ + ret = do_bsd_setsid(); + break; + + case TARGET_FREEBSD_NR_issetugid: /* issetugid(2) */ + ret = do_bsd_issetugid(); + break; + + case TARGET_FREEBSD_NR_profil: /* profil(2) */ + ret = do_bsd_profil(arg1, arg2, arg3, arg4); + break; + + case TARGET_FREEBSD_NR_ktrace: /* ktrace(2) */ + ret = do_bsd_ktrace(arg1, arg2, arg3, arg4); + break; + + case TARGET_FREEBSD_NR_setloginclass: /* setloginclass(2) */ + ret = do_freebsd_setloginclass(arg1); + break; + + case TARGET_FREEBSD_NR_getloginclass: /* getloginclass(2) */ + ret = do_freebsd_getloginclass(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_pdgetpid: /* pdgetpid(2) */ + ret = do_freebsd_pdgetpid(arg1, arg2); + break; + + case TARGET_FREEBSD_NR___setugid: /* undocumented */ + ret = do_freebsd___setugid(arg1); + break; + + case TARGET_FREEBSD_NR_utrace: /* utrace(2) */ + ret = do_bsd_utrace(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_ptrace: /* ptrace(2) */ + ret = do_bsd_ptrace(arg1, arg2, arg3, arg4); + break; + + case TARGET_FREEBSD_NR_getpriority: /* getpriority(2) */ + ret = do_bsd_getpriority(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_setpriority: /* setpriority(2) */ + ret = do_bsd_setpriority(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_procctl: /* procctl(2) */ + ret = do_freebsd_procctl(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); + break; + /* * File system calls. */ @@ -592,6 +795,108 @@ static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1, ret = do_freebsd_fcntl(arg1, arg2, arg3); break; + /* + * Memory management system calls. + */ + case TARGET_FREEBSD_NR_mmap: /* mmap(2) */ + ret = do_bsd_mmap(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6, arg7, + arg8); + break; + + case TARGET_FREEBSD_NR_munmap: /* munmap(2) */ + ret = do_bsd_munmap(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_mprotect: /* mprotect(2) */ + ret = do_bsd_mprotect(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_msync: /* msync(2) */ + ret = do_bsd_msync(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_mlock: /* mlock(2) */ + ret = do_bsd_mlock(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_munlock: /* munlock(2) */ + ret = do_bsd_munlock(arg1, arg2); + break; + + case TARGET_FREEBSD_NR_mlockall: /* mlockall(2) */ + ret = do_bsd_mlockall(arg1); + break; + + case TARGET_FREEBSD_NR_munlockall: /* munlockall(2) */ + ret = do_bsd_munlockall(); + break; + + case TARGET_FREEBSD_NR_madvise: /* madvise(2) */ + ret = do_bsd_madvise(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_minherit: /* minherit(2) */ + ret = do_bsd_minherit(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_mincore: /* mincore(2) */ + ret = do_bsd_mincore(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_freebsd12_shm_open: /* shm_open(2) */ + ret = do_bsd_shm_open(arg1, arg2, arg3); + break; + +#if defined(__FreeBSD_version) && __FreeBSD_version >= 1300048 + case TARGET_FREEBSD_NR_shm_open2: /* shm_open2(2) */ + ret = do_freebsd_shm_open2(arg1, arg2, arg3, arg4, arg5); + break; +#endif + +#if defined(__FreeBSD_version) && __FreeBSD_version >= 1300049 + case TARGET_FREEBSD_NR_shm_rename: /* shm_rename(2) */ + ret = do_freebsd_shm_rename(arg1, arg2, arg3); + break; +#endif + + case TARGET_FREEBSD_NR_shm_unlink: /* shm_unlink(2) */ + ret = do_bsd_shm_unlink(arg1); + break; + + case TARGET_FREEBSD_NR_shmget: /* shmget(2) */ + ret = do_bsd_shmget(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_shmctl: /* shmctl(2) */ + ret = do_bsd_shmctl(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_shmat: /* shmat(2) */ + ret = do_bsd_shmat(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_shmdt: /* shmdt(2) */ + ret = do_bsd_shmdt(arg1); + break; + + case TARGET_FREEBSD_NR_freebsd11_vadvise: + ret = do_bsd_vadvise(); + break; + + case TARGET_FREEBSD_NR_sbrk: + ret = do_bsd_sbrk(); + break; + + case TARGET_FREEBSD_NR_sstk: + ret = do_bsd_sstk(); + break; + + /* + * Misc + */ + case TARGET_FREEBSD_NR_break: + ret = do_obreak(arg1); + break; /* * sys{ctl, arch, call} diff --git a/bsd-user/main.c b/bsd-user/main.c index 703f3e2..c402fad 100644 --- a/bsd-user/main.c +++ b/bsd-user/main.c @@ -88,7 +88,7 @@ unsigned long reserved_va = MAX_RESERVED_VA; unsigned long reserved_va; #endif -static const char *interp_prefix = CONFIG_QEMU_INTERP_PREFIX; +const char *interp_prefix = CONFIG_QEMU_INTERP_PREFIX; const char *qemu_uname_release; char qemu_proc_pathname[PATH_MAX]; /* full path to exeutable */ diff --git a/bsd-user/meson.build b/bsd-user/meson.build index 5243122..c6bfd3b 100644 --- a/bsd-user/meson.build +++ b/bsd-user/meson.build @@ -7,6 +7,8 @@ bsd_user_ss = ss.source_set() common_user_inc += include_directories('include') bsd_user_ss.add(files( + 'bsd-mem.c', + 'bsd-proc.c', 'bsdload.c', 'elfload.c', 'main.c', @@ -16,6 +18,11 @@ bsd_user_ss.add(files( 'uaccess.c', )) +elf = cc.find_library('elf', required: true) +procstat = cc.find_library('procstat', required: true) +kvm = cc.find_library('kvm', required: true) +bsd_user_ss.add(elf, procstat, kvm) + # Pull in the OS-specific build glue, if any subdir(targetos) diff --git a/bsd-user/mmap.c b/bsd-user/mmap.c index 8e148a2..3ef11b2 100644 --- a/bsd-user/mmap.c +++ b/bsd-user/mmap.c @@ -636,7 +636,7 @@ fail: return -1; } -static void mmap_reserve(abi_ulong start, abi_ulong size) +void mmap_reserve(abi_ulong start, abi_ulong size) { abi_ulong real_start; abi_ulong real_end; diff --git a/bsd-user/qemu-bsd.h b/bsd-user/qemu-bsd.h new file mode 100644 index 0000000..ffc64bb --- /dev/null +++ b/bsd-user/qemu-bsd.h @@ -0,0 +1,58 @@ +/* + * BSD conversion extern declarations + * + * Copyright (c) 2013 Stacey D. Son + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef QEMU_BSD_H +#define QEMU_BSD_H + +#include <sys/types.h> +#include <sys/resource.h> +#include <sys/ipc.h> +#include <sys/msg.h> +#include <sys/resource.h> +#include <sys/sem.h> +#include <sys/shm.h> +#include <sys/socket.h> +#include <sys/un.h> +#include <sys/uuid.h> +#include <sys/wait.h> +#include <netinet/in.h> + +/* bsd-proc.c */ +int target_to_host_resource(int code); +rlim_t target_to_host_rlim(abi_llong target_rlim); +abi_llong host_to_target_rlim(rlim_t rlim); +abi_long host_to_target_rusage(abi_ulong target_addr, + const struct rusage *rusage); +abi_long host_to_target_wrusage(abi_ulong target_addr, + const struct __wrusage *wrusage); +int host_to_target_waitstatus(int status); +void h2g_rusage(const struct rusage *rusage, + struct target_freebsd_rusage *target_rusage); + +/* bsd-mem.c */ +void target_to_host_ipc_perm__locked(struct ipc_perm *host_ip, + struct target_ipc_perm *target_ip); +void host_to_target_ipc_perm__locked(struct target_ipc_perm *target_ip, + struct ipc_perm *host_ip); +abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd, + abi_ulong target_addr); +abi_long host_to_target_shmid_ds(abi_ulong target_addr, + struct shmid_ds *host_sd); + +#endif /* QEMU_BSD_H */ diff --git a/bsd-user/qemu.h b/bsd-user/qemu.h index d950713..dc842ff 100644 --- a/bsd-user/qemu.h +++ b/bsd-user/qemu.h @@ -111,6 +111,7 @@ typedef struct TaskState { } __attribute__((aligned(16))) TaskState; void stop_all_tasks(void); +extern const char *interp_prefix; extern const char *qemu_uname_release; /* @@ -232,6 +233,7 @@ abi_long target_mremap(abi_ulong old_addr, abi_ulong old_size, int target_msync(abi_ulong start, abi_ulong len, int flags); extern abi_ulong mmap_next_start; abi_ulong mmap_find_vma(abi_ulong start, abi_ulong size); +void mmap_reserve(abi_ulong start, abi_ulong size); void TSA_NO_TSA mmap_fork_start(void); void TSA_NO_TSA mmap_fork_end(int child); @@ -249,6 +251,12 @@ abi_long get_errno(abi_long ret); bool is_error(abi_long ret); int host_to_target_errno(int err); +/* os-proc.c */ +abi_long freebsd_exec_common(abi_ulong path_or_fd, abi_ulong guest_argp, + abi_ulong guest_envp, int do_fexec); +abi_long do_freebsd_procctl(void *cpu_env, int idtype, abi_ulong arg2, + abi_ulong arg3, abi_ulong arg4, abi_ulong arg5, abi_ulong arg6); + /* os-sys.c */ abi_long do_freebsd_sysctl(CPUArchState *env, abi_ulong namep, int32_t namelen, abi_ulong oldp, abi_ulong oldlenp, abi_ulong newp, abi_ulong newlen); diff --git a/bsd-user/signal-common.h b/bsd-user/signal-common.h index c044e81..77d7c7a 100644 --- a/bsd-user/signal-common.h +++ b/bsd-user/signal-common.h @@ -35,6 +35,7 @@ int do_sigaction(int sig, const struct target_sigaction *act, abi_long do_sigaltstack(abi_ulong uss_addr, abi_ulong uoss_addr, abi_ulong sp); long do_sigreturn(CPUArchState *env, abi_ulong addr); void force_sig_fault(int sig, int code, abi_ulong addr); +void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info); int host_to_target_signal(int sig); void host_to_target_sigset(target_sigset_t *d, const sigset_t *s); void process_pending_signals(CPUArchState *env); diff --git a/bsd-user/signal.c b/bsd-user/signal.c index f82df50..ca31470 100644 --- a/bsd-user/signal.c +++ b/bsd-user/signal.c @@ -311,6 +311,12 @@ static void tswap_siginfo(target_siginfo_t *tinfo, const target_siginfo_t *info) } } +void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info) +{ + host_to_target_siginfo_noswap(tinfo, info); + tswap_siginfo(tinfo, tinfo); +} + int block_signals(void) { TaskState *ts = (TaskState *)thread_cpu->opaque; diff --git a/bsd-user/syscall_defs.h b/bsd-user/syscall_defs.h index 9c90616..52f84d5 100644 --- a/bsd-user/syscall_defs.h +++ b/bsd-user/syscall_defs.h @@ -56,8 +56,47 @@ struct target_iovec { }; /* + * sys/ipc.h + */ +struct target_ipc_perm { + uint32_t cuid; /* creator user id */ + uint32_t cgid; /* creator group id */ + uint32_t uid; /* user id */ + uint32_t gid; /* group id */ + uint16_t mode; /* r/w permission */ + uint16_t seq; /* sequence # */ + abi_long key; /* user specified msg/sem/shm key */ +}; + +#define TARGET_IPC_RMID 0 /* remove identifier */ +#define TARGET_IPC_SET 1 /* set options */ +#define TARGET_IPC_STAT 2 /* get options */ + +/* + * sys/shm.h + */ +struct target_shmid_ds { + struct target_ipc_perm shm_perm; /* peration permission structure */ + abi_ulong shm_segsz; /* size of segment in bytes */ + int32_t shm_lpid; /* process ID of last shared memory op */ + int32_t shm_cpid; /* process ID of creator */ + int32_t shm_nattch; /* number of current attaches */ + target_time_t shm_atime; /* time of last shmat() */ + target_time_t shm_dtime; /* time of last shmdt() */ + target_time_t shm_ctime; /* time of last change by shmctl() */ +}; + +#define N_BSD_SHM_REGIONS 32 +struct bsd_shm_regions { + abi_long start; + abi_long size; +}; + +/* * sys/mman.h */ +#define TARGET_MADV_DONTNEED 4 /* dont need these pages */ + #define TARGET_FREEBSD_MAP_RESERVED0080 0x0080 /* previously misimplemented */ /* MAP_INHERIT */ #define TARGET_FREEBSD_MAP_RESERVED0100 0x0100 /* previously unimplemented */ @@ -130,11 +169,7 @@ struct target_freebsd_timeval { /* * sys/resource.h */ -#if defined(__FreeBSD__) #define TARGET_RLIM_INFINITY RLIM_INFINITY -#else -#define TARGET_RLIM_INFINITY ((abi_ulong)-1) -#endif #define TARGET_RLIMIT_CPU 0 #define TARGET_RLIMIT_FSIZE 1 @@ -390,6 +425,52 @@ struct target_freebsd_flock { int32_t l_sysid; } QEMU_PACKED; +/* sys/unistd.h */ +/* user: vfork(2) semantics, clear signals */ +#define TARGET_RFSPAWN (1U << 31) + +/* + * from sys/procctl.h + */ +#define TARGET_PROC_SPROTECT 1 +#define TARGET_PROC_REAP_ACQUIRE 2 +#define TARGET_PROC_REAP_RELEASE 3 +#define TARGET_PROC_REAP_STATUS 4 +#define TARGET_PROC_REAP_GETPIDS 5 +#define TARGET_PROC_REAP_KILL 6 + +struct target_procctl_reaper_status { + uint32_t rs_flags; + uint32_t rs_children; + uint32_t rs_descendants; + uint32_t rs_reaper; + uint32_t rs_pid; + uint32_t rs_pad0[15]; +}; + +struct target_procctl_reaper_pidinfo { + uint32_t pi_pid; + uint32_t pi_subtree; + uint32_t pi_flags; + uint32_t pi_pad0[15]; +}; + +struct target_procctl_reaper_pids { + uint32_t rp_count; + uint32_t rp_pad0[15]; + abi_ulong rp_pids; +}; + +struct target_procctl_reaper_kill { + int32_t rk_sig; + uint32_t rk_flags; + uint32_t rk_subtree; + uint32_t rk_killed; + uint32_t rk_fpid; + uint32_t rk_pad0[15]; +}; + + #define safe_syscall0(type, name) \ type safe_##name(void) \ { \ diff --git a/chardev/char-pty.c b/chardev/char-pty.c index 4e5deac..cc2f761 100644 --- a/chardev/char-pty.c +++ b/chardev/char-pty.c @@ -106,11 +106,27 @@ static void pty_chr_update_read_handler(Chardev *chr) static int char_pty_chr_write(Chardev *chr, const uint8_t *buf, int len) { PtyChardev *s = PTY_CHARDEV(chr); + GPollFD pfd; + int rc; - if (!s->connected) { - return len; + if (s->connected) { + return io_channel_send(s->ioc, buf, len); } - return io_channel_send(s->ioc, buf, len); + + /* + * The other side might already be re-connected, but the timer might + * not have fired yet. So let's check here whether we can write again: + */ + pfd.fd = QIO_CHANNEL_FILE(s->ioc)->fd; + pfd.events = G_IO_OUT; + pfd.revents = 0; + rc = RETRY_ON_EINTR(g_poll(&pfd, 1, 0)); + g_assert(rc >= 0); + if (!(pfd.revents & G_IO_HUP) && (pfd.revents & G_IO_OUT)) { + io_channel_send(s->ioc, buf, len); + } + + return len; } static GSource *pty_chr_add_watch(Chardev *chr, GIOCondition cond) diff --git a/hw/core/machine.c b/hw/core/machine.c index b135d12..281ef0d 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -11,32 +11,22 @@ */ #include "qemu/osdep.h" -#include "qemu/option.h" #include "qemu/accel.h" #include "sysemu/replay.h" -#include "qemu/units.h" #include "hw/boards.h" #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 "qom/object_interfaces.h" -#include "hw/sysbus.h" #include "sysemu/cpus.h" #include "sysemu/sysemu.h" #include "sysemu/reset.h" #include "sysemu/runstate.h" -#include "sysemu/numa.h" #include "sysemu/xen.h" -#include "qemu/error-report.h" #include "sysemu/qtest.h" -#include "hw/pci/pci.h" #include "hw/mem/nvdimm.h" #include "migration/global_state.h" -#include "migration/vmstate.h" #include "exec/confidential-guest-support.h" -#include "hw/virtio/virtio.h" #include "hw/virtio/virtio-pci.h" #include "hw/virtio/virtio-net.h" #include "audio/audio.h" diff --git a/hw/display/ramfb.c b/hw/display/ramfb.c index 79b9754..c2b002d 100644 --- a/hw/display/ramfb.c +++ b/hw/display/ramfb.c @@ -97,6 +97,7 @@ static void ramfb_fw_cfg_write(void *dev, off_t offset, size_t len) s->width = width; s->height = height; + qemu_free_displaysurface(s->ds); s->ds = surface; } diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 5d399b6..ec01d74 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -24,79 +24,40 @@ #include "qemu/osdep.h" #include "qemu/units.h" -#include "hw/i386/x86.h" #include "hw/i386/pc.h" #include "hw/char/serial.h" #include "hw/char/parallel.h" -#include "hw/i386/topology.h" #include "hw/i386/fw_cfg.h" #include "hw/i386/vmport.h" #include "sysemu/cpus.h" -#include "hw/block/fdc.h" #include "hw/ide/internal.h" -#include "hw/ide/isa.h" -#include "hw/pci/pci.h" -#include "hw/pci/pci_bus.h" -#include "hw/pci-bridge/pci_expander_bridge.h" -#include "hw/nvram/fw_cfg.h" #include "hw/timer/hpet.h" -#include "hw/firmware/smbios.h" #include "hw/loader.h" -#include "elf.h" -#include "migration/vmstate.h" -#include "multiboot.h" #include "hw/rtc/mc146818rtc.h" #include "hw/intc/i8259.h" -#include "hw/intc/ioapic.h" #include "hw/timer/i8254.h" #include "hw/input/i8042.h" -#include "hw/irq.h" #include "hw/audio/pcspk.h" -#include "hw/pci/msi.h" -#include "hw/sysbus.h" #include "sysemu/sysemu.h" -#include "sysemu/tcg.h" -#include "sysemu/numa.h" -#include "sysemu/kvm.h" #include "sysemu/xen.h" #include "sysemu/reset.h" -#include "sysemu/runstate.h" #include "kvm/kvm_i386.h" #include "hw/xen/xen.h" -#include "hw/xen/start_info.h" -#include "ui/qemu-spice.h" -#include "exec/memory.h" -#include "qemu/bitmap.h" -#include "qemu/config-file.h" #include "qemu/error-report.h" -#include "qemu/option.h" -#include "qemu/cutils.h" -#include "hw/acpi/acpi.h" #include "hw/acpi/cpu_hotplug.h" #include "acpi-build.h" -#include "hw/mem/pc-dimm.h" #include "hw/mem/nvdimm.h" -#include "hw/cxl/cxl.h" #include "hw/cxl/cxl_host.h" -#include "qapi/error.h" -#include "qapi/qapi-visit-common.h" -#include "qapi/qapi-visit-machine.h" -#include "qapi/visitor.h" -#include "hw/core/cpu.h" #include "hw/usb.h" #include "hw/i386/intel_iommu.h" #include "hw/net/ne2000-isa.h" -#include "standard-headers/asm-x86/bootparam.h" #include "hw/virtio/virtio-iommu.h" #include "hw/virtio/virtio-md-pci.h" #include "hw/i386/kvm/xen_overlay.h" #include "hw/i386/kvm/xen_evtchn.h" #include "hw/i386/kvm/xen_gnttab.h" #include "hw/i386/kvm/xen_xenstore.h" -#include "sysemu/replay.h" -#include "target/i386/cpu.h" #include "e820_memory_layout.h" -#include "fw_cfg.h" #include "trace.h" #include CONFIG_DEVICES diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h index e4db910..1a31fb7 100644 --- a/include/migration/vmstate.h +++ b/include/migration/vmstate.h @@ -1196,9 +1196,11 @@ int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd, void *opaque, int version_id); int vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd, void *opaque, JSONWriter *vmdesc); +int vmstate_save_state_with_err(QEMUFile *f, const VMStateDescription *vmsd, + void *opaque, JSONWriter *vmdesc, Error **errp); int vmstate_save_state_v(QEMUFile *f, const VMStateDescription *vmsd, void *opaque, JSONWriter *vmdesc, - int version_id); + int version_id, Error **errp); bool vmstate_save_needed(const VMStateDescription *vmsd, void *opaque); diff --git a/include/qemu/compiler.h b/include/qemu/compiler.h index 7f1bbbf..1109482 100644 --- a/include/qemu/compiler.h +++ b/include/qemu/compiler.h @@ -206,4 +206,10 @@ #define QEMU_ANNOTATE(x) #endif +#if __has_attribute(used) +# define QEMU_USED __attribute__((used)) +#else +# define QEMU_USED +#endif + #endif /* COMPILER_H */ diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h index 18b940d..475a1c6 100644 --- a/include/qemu/osdep.h +++ b/include/qemu/osdep.h @@ -27,6 +27,10 @@ #ifndef QEMU_OSDEP_H #define QEMU_OSDEP_H +#if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__ && defined __linux__ +# define _FORTIFY_SOURCE 2 +#endif + #include "config-host.h" #ifdef NEED_CPU_H #include CONFIG_TARGET diff --git a/include/ui/console.h b/include/ui/console.h index 28882f1..acb61a7 100644 --- a/include/ui/console.h +++ b/include/ui/console.h @@ -422,7 +422,6 @@ bool qemu_console_is_visible(QemuConsole *con); bool qemu_console_is_graphic(QemuConsole *con); bool qemu_console_is_fixedsize(QemuConsole *con); bool qemu_console_is_gl_blocked(QemuConsole *con); -bool qemu_console_is_multihead(DeviceState *dev); char *qemu_console_get_label(QemuConsole *con); int qemu_console_get_index(QemuConsole *con); uint32_t qemu_console_get_head(QemuConsole *con); diff --git a/include/ui/input.h b/include/ui/input.h index c29a730..24d8e45 100644 --- a/include/ui/input.h +++ b/include/ui/input.h @@ -57,7 +57,7 @@ void qemu_input_queue_btn(QemuConsole *src, InputButton btn, bool down); void qemu_input_update_buttons(QemuConsole *src, uint32_t *button_map, uint32_t button_old, uint32_t button_new); -bool qemu_input_is_absolute(void); +bool qemu_input_is_absolute(QemuConsole *con); int qemu_input_scale_axis(int value, int min_in, int max_in, int min_out, int max_out); diff --git a/include/ui/qemu-pixman.h b/include/ui/qemu-pixman.h index 51f8709..e587c48 100644 --- a/include/ui/qemu-pixman.h +++ b/include/ui/qemu-pixman.h @@ -32,6 +32,8 @@ # define PIXMAN_LE_r8g8b8 PIXMAN_b8g8r8 # define PIXMAN_LE_a8r8g8b8 PIXMAN_b8g8r8a8 # define PIXMAN_LE_x8r8g8b8 PIXMAN_b8g8r8x8 +# define PIXMAN_LE_a8b8g8r8 PIXMAN_r8g8b8a8 +# define PIXMAN_LE_x8b8g8r8 PIXMAN_r8g8b8x8 #else # define PIXMAN_BE_r8g8b8 PIXMAN_b8g8r8 # define PIXMAN_BE_x8r8g8b8 PIXMAN_b8g8r8x8 @@ -45,6 +47,8 @@ # define PIXMAN_LE_r8g8b8 PIXMAN_r8g8b8 # define PIXMAN_LE_a8r8g8b8 PIXMAN_a8r8g8b8 # define PIXMAN_LE_x8r8g8b8 PIXMAN_x8r8g8b8 +# define PIXMAN_LE_a8b8g8r8 PIXMAN_a8b8g8r8 +# define PIXMAN_LE_x8b8g8r8 PIXMAN_x8b8g8r8 #endif #define QEMU_PIXMAN_COLOR(r, g, b) \ diff --git a/meson.build b/meson.build index b8bb69f..3bb64b5 100644 --- a/meson.build +++ b/meson.build @@ -474,16 +474,6 @@ if 'cpp' in all_languages qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags endif -# clang does not support glibc + FORTIFY_SOURCE (is it still true?) -if get_option('optimization') != '0' and targetos == 'linux' - if cc.get_id() == 'gcc' - qemu_cflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2'] - endif - if 'cpp' in all_languages and cxx.get_id() == 'gcc' - qemu_cxxflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2'] - endif -endif - add_project_arguments(qemu_cflags, native: false, language: 'c') add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c') if 'cpp' in all_languages diff --git a/migration/file.c b/migration/file.c new file mode 100644 index 0000000..cf5b1bf --- /dev/null +++ b/migration/file.c @@ -0,0 +1,103 @@ +/* + * Copyright (c) 2021-2023 Oracle and/or its affiliates. + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include "qemu/cutils.h" +#include "qapi/error.h" +#include "channel.h" +#include "file.h" +#include "migration.h" +#include "io/channel-file.h" +#include "io/channel-util.h" +#include "trace.h" + +#define OFFSET_OPTION ",offset=" + +/* Remove the offset option from @filespec and return it in @offsetp. */ + +static int file_parse_offset(char *filespec, uint64_t *offsetp, Error **errp) +{ + char *option = strstr(filespec, OFFSET_OPTION); + int ret; + + if (option) { + *option = 0; + option += sizeof(OFFSET_OPTION) - 1; + ret = qemu_strtosz(option, NULL, offsetp); + if (ret) { + error_setg_errno(errp, -ret, "file URI has bad offset %s", option); + return -1; + } + } + return 0; +} + +void file_start_outgoing_migration(MigrationState *s, const char *filespec, + Error **errp) +{ + g_autofree char *filename = g_strdup(filespec); + g_autoptr(QIOChannelFile) fioc = NULL; + uint64_t offset = 0; + QIOChannel *ioc; + + trace_migration_file_outgoing(filename); + + if (file_parse_offset(filename, &offset, errp)) { + return; + } + + fioc = qio_channel_file_new_path(filename, O_CREAT | O_WRONLY | O_TRUNC, + 0600, errp); + if (!fioc) { + return; + } + + ioc = QIO_CHANNEL(fioc); + if (offset && qio_channel_io_seek(ioc, offset, SEEK_SET, errp) < 0) { + return; + } + qio_channel_set_name(ioc, "migration-file-outgoing"); + migration_channel_connect(s, ioc, NULL, NULL); +} + +static gboolean file_accept_incoming_migration(QIOChannel *ioc, + GIOCondition condition, + gpointer opaque) +{ + migration_channel_process_incoming(ioc); + object_unref(OBJECT(ioc)); + return G_SOURCE_REMOVE; +} + +void file_start_incoming_migration(const char *filespec, Error **errp) +{ + g_autofree char *filename = g_strdup(filespec); + QIOChannelFile *fioc = NULL; + uint64_t offset = 0; + QIOChannel *ioc; + + trace_migration_file_incoming(filename); + + if (file_parse_offset(filename, &offset, errp)) { + return; + } + + fioc = qio_channel_file_new_path(filename, O_RDONLY, 0, errp); + if (!fioc) { + return; + } + + ioc = QIO_CHANNEL(fioc); + if (offset && qio_channel_io_seek(ioc, offset, SEEK_SET, errp) < 0) { + return; + } + qio_channel_set_name(QIO_CHANNEL(ioc), "migration-file-incoming"); + qio_channel_add_watch_full(ioc, G_IO_IN, + file_accept_incoming_migration, + NULL, NULL, + g_main_context_get_thread_default()); +} diff --git a/migration/file.h b/migration/file.h new file mode 100644 index 0000000..90fa484 --- /dev/null +++ b/migration/file.h @@ -0,0 +1,14 @@ +/* + * Copyright (c) 2021-2023 Oracle and/or its affiliates. + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#ifndef QEMU_MIGRATION_FILE_H +#define QEMU_MIGRATION_FILE_H +void file_start_incoming_migration(const char *filename, Error **errp); + +void file_start_outgoing_migration(MigrationState *s, const char *filename, + Error **errp); +#endif diff --git a/migration/meson.build b/migration/meson.build index 1ae2852..92b1cc4 100644 --- a/migration/meson.build +++ b/migration/meson.build @@ -16,6 +16,7 @@ system_ss.add(files( 'dirtyrate.c', 'exec.c', 'fd.c', + 'file.c', 'global_state.c', 'migration-hmp-cmds.c', 'migration.c', diff --git a/migration/migration.c b/migration/migration.c index 6d3cf5d..585d3c8 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -20,6 +20,7 @@ #include "migration/blocker.h" #include "exec.h" #include "fd.h" +#include "file.h" #include "socket.h" #include "sysemu/runstate.h" #include "sysemu/sysemu.h" @@ -449,6 +450,8 @@ static void qemu_start_incoming_migration(const char *uri, Error **errp) exec_start_incoming_migration(p, errp); } else if (strstart(uri, "fd:", &p)) { fd_start_incoming_migration(p, errp); + } else if (strstart(uri, "file:", &p)) { + file_start_incoming_migration(p, errp); } else { error_setg(errp, "unknown migration protocol: %s", uri); } @@ -1702,6 +1705,8 @@ void qmp_migrate(const char *uri, bool has_blk, bool blk, exec_start_outgoing_migration(s, p, &local_err); } else if (strstart(uri, "fd:", &p)) { fd_start_outgoing_migration(s, p, &local_err); + } else if (strstart(uri, "file:", &p)) { + file_start_outgoing_migration(s, p, &local_err); } else { error_setg(&local_err, QERR_INVALID_PARAMETER_VALUE, "uri", "a valid migration protocol"); diff --git a/migration/rdma.c b/migration/rdma.c index 7d2726d..cd5e1af 100644 --- a/migration/rdma.c +++ b/migration/rdma.c @@ -2831,7 +2831,7 @@ static ssize_t qio_channel_rdma_writev(QIOChannel *ioc, size_t remaining = iov[i].iov_len; uint8_t * data = (void *)iov[i].iov_base; while (remaining) { - RDMAControlHeader head; + RDMAControlHeader head = {}; len = MIN(remaining, RDMA_SEND_INCREMENT); remaining -= len; diff --git a/migration/savevm.c b/migration/savevm.c index bb3e991..60eec7c 100644 --- a/migration/savevm.c +++ b/migration/savevm.c @@ -979,6 +979,8 @@ static void save_section_footer(QEMUFile *f, SaveStateEntry *se) static int vmstate_save(QEMUFile *f, SaveStateEntry *se, JSONWriter *vmdesc) { int ret; + Error *local_err = NULL; + MigrationState *s = migrate_get_current(); if ((!se->ops || !se->ops->save_state) && !se->vmsd) { return 0; @@ -1000,8 +1002,10 @@ static int vmstate_save(QEMUFile *f, SaveStateEntry *se, JSONWriter *vmdesc) if (!se->vmsd) { vmstate_save_old_style(f, se, vmdesc); } else { - ret = vmstate_save_state(f, se->vmsd, se->opaque, vmdesc); + ret = vmstate_save_state_with_err(f, se->vmsd, se->opaque, vmdesc, &local_err); if (ret) { + migrate_set_error(s, local_err); + error_report_err(local_err); return ret; } } @@ -1068,10 +1072,14 @@ void qemu_savevm_send_open_return_path(QEMUFile *f) int qemu_savevm_send_packaged(QEMUFile *f, const uint8_t *buf, size_t len) { uint32_t tmp; + MigrationState *ms = migrate_get_current(); + Error *local_err = NULL; if (len > MAX_VM_CMD_PACKAGED_SIZE) { - error_report("%s: Unreasonably large packaged state: %zu", + error_setg(&local_err, "%s: Unreasonably large packaged state: %zu", __func__, len); + migrate_set_error(ms, local_err); + error_report_err(local_err); return -1; } @@ -1499,8 +1507,11 @@ int qemu_savevm_state_complete_precopy_non_iterable(QEMUFile *f, * bdrv_activate_all() on the other end won't fail. */ ret = bdrv_inactivate_all(); if (ret) { - error_report("%s: bdrv_inactivate_all() failed (%d)", - __func__, ret); + Error *local_err = NULL; + error_setg(&local_err, "%s: bdrv_inactivate_all() failed (%d)", + __func__, ret); + migrate_set_error(ms, local_err); + error_report_err(local_err); qemu_file_set_error(f, ret); return ret; } diff --git a/migration/trace-events b/migration/trace-events index 6348373..002abe3 100644 --- a/migration/trace-events +++ b/migration/trace-events @@ -66,6 +66,7 @@ vmstate_save_state_loop(const char *name, const char *field, int n_elems) "%s/%s vmstate_save_state_top(const char *idstr) "%s" vmstate_subsection_save_loop(const char *name, const char *sub) "%s/%s" vmstate_subsection_save_top(const char *idstr) "%s" +vmstate_field_exists(const char *vmsd, const char *name, int field_version, int version, int result) "%s:%s field_version %d version %d result %d" # vmstate-types.c get_qtailq(const char *name, int version_id) "%s v%d" @@ -311,6 +312,10 @@ migration_exec_incoming(const char *cmd) "cmd=%s" migration_fd_outgoing(int fd) "fd=%d" migration_fd_incoming(int fd) "fd=%d" +# file.c +migration_file_outgoing(const char *filename) "filename=%s" +migration_file_incoming(const char *filename) "filename=%s" + # socket.c migration_socket_incoming_accepted(void) "" migration_socket_outgoing_connected(const char *hostname) "hostname=%s" diff --git a/migration/vmstate.c b/migration/vmstate.c index 438ea77..1cf9e45 100644 --- a/migration/vmstate.c +++ b/migration/vmstate.c @@ -14,6 +14,7 @@ #include "migration.h" #include "migration/vmstate.h" #include "savevm.h" +#include "qapi/error.h" #include "qapi/qmp/json-writer.h" #include "qemu-file.h" #include "qemu/bitops.h" @@ -25,6 +26,30 @@ static int vmstate_subsection_save(QEMUFile *f, const VMStateDescription *vmsd, static int vmstate_subsection_load(QEMUFile *f, const VMStateDescription *vmsd, void *opaque); +/* Whether this field should exist for either save or load the VM? */ +static bool +vmstate_field_exists(const VMStateDescription *vmsd, const VMStateField *field, + void *opaque, int version_id) +{ + bool result; + + if (field->field_exists) { + /* If there's the function checker, that's the solo truth */ + result = field->field_exists(opaque, version_id); + trace_vmstate_field_exists(vmsd->name, field->name, field->version_id, + version_id, result); + } else { + /* + * Otherwise, we only save/load if field version is same or older. + * For example, when loading from an old binary with old version, + * we ignore new fields with newer version_ids. + */ + result = field->version_id <= version_id; + } + + return result; +} + static int vmstate_n_elems(void *opaque, const VMStateField *field) { int n_elems = 1; @@ -104,10 +129,7 @@ int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd, } while (field->name) { trace_vmstate_load_state_field(vmsd->name, field->name); - if ((field->field_exists && - field->field_exists(opaque, version_id)) || - (!field->field_exists && - field->version_id <= version_id)) { + if (vmstate_field_exists(vmsd, field, opaque, version_id)) { void *first_elem = opaque + field->offset; int i, n_elems = vmstate_n_elems(opaque, field); int size = vmstate_size(opaque, field); @@ -315,11 +337,17 @@ bool vmstate_save_needed(const VMStateDescription *vmsd, void *opaque) int vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd, void *opaque, JSONWriter *vmdesc_id) { - return vmstate_save_state_v(f, vmsd, opaque, vmdesc_id, vmsd->version_id); + return vmstate_save_state_v(f, vmsd, opaque, vmdesc_id, vmsd->version_id, NULL); +} + +int vmstate_save_state_with_err(QEMUFile *f, const VMStateDescription *vmsd, + void *opaque, JSONWriter *vmdesc_id, Error **errp) +{ + return vmstate_save_state_v(f, vmsd, opaque, vmdesc_id, vmsd->version_id, errp); } int vmstate_save_state_v(QEMUFile *f, const VMStateDescription *vmsd, - void *opaque, JSONWriter *vmdesc, int version_id) + void *opaque, JSONWriter *vmdesc, int version_id, Error **errp) { int ret = 0; const VMStateField *field = vmsd->fields; @@ -330,7 +358,7 @@ int vmstate_save_state_v(QEMUFile *f, const VMStateDescription *vmsd, ret = vmsd->pre_save(opaque); trace_vmstate_save_state_pre_save_res(vmsd->name, ret); if (ret) { - error_report("pre-save failed: %s", vmsd->name); + error_setg(errp, "pre-save failed: %s", vmsd->name); return ret; } } @@ -342,10 +370,7 @@ int vmstate_save_state_v(QEMUFile *f, const VMStateDescription *vmsd, } while (field->name) { - if ((field->field_exists && - field->field_exists(opaque, version_id)) || - (!field->field_exists && - field->version_id <= version_id)) { + if (vmstate_field_exists(vmsd, field, opaque, version_id)) { void *first_elem = opaque + field->offset; int i, n_elems = vmstate_n_elems(opaque, field); int size = vmstate_size(opaque, field); @@ -377,14 +402,14 @@ int vmstate_save_state_v(QEMUFile *f, const VMStateDescription *vmsd, } else if (field->flags & VMS_VSTRUCT) { ret = vmstate_save_state_v(f, field->vmsd, curr_elem, vmdesc_loop, - field->struct_version_id); + field->struct_version_id, errp); } else { ret = field->info->put(f, curr_elem, size, field, vmdesc_loop); } if (ret) { - error_report("Save of field %s/%s failed", - vmsd->name, field->name); + error_setg(errp, "Save of field %s/%s failed", + vmsd->name, field->name); if (vmsd->post_save) { vmsd->post_save(opaque); } diff --git a/qemu-options.hx b/qemu-options.hx index 9ce8a5b..840b83d 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -4706,6 +4706,7 @@ DEF("incoming", HAS_ARG, QEMU_OPTION_incoming, \ " prepare for incoming migration, listen on\n" \ " specified protocol and socket address\n" \ "-incoming fd:fd\n" \ + "-incoming file:filename[,offset=offset]\n" \ "-incoming exec:cmdline\n" \ " accept incoming migration on given file descriptor\n" \ " or from given external command\n" \ @@ -4722,7 +4723,11 @@ SRST Prepare for incoming migration, listen on a given unix socket. ``-incoming fd:fd`` - Accept incoming migration from a given filedescriptor. + Accept incoming migration from a given file descriptor. + +``-incoming file:filename[,offset=offset]`` + Accept incoming migration from a given file starting at offset. + offset allows the common size suffixes, or a 0x prefix, but not both. ``-incoming exec:cmdline`` Accept incoming migration as an output from specified external diff --git a/scripts/analyze-migration.py b/scripts/analyze-migration.py index b82a1b0..0824245 100755 --- a/scripts/analyze-migration.py +++ b/scripts/analyze-migration.py @@ -111,6 +111,8 @@ class RamSection(object): RAM_SAVE_FLAG_CONTINUE = 0x20 RAM_SAVE_FLAG_XBZRLE = 0x40 RAM_SAVE_FLAG_HOOK = 0x80 + RAM_SAVE_FLAG_COMPRESS_PAGE = 0x100 + RAM_SAVE_FLAG_MULTIFD_FLUSH = 0x200 def __init__(self, file, version_id, ramargs, section_key): if version_id != 4: @@ -205,6 +207,8 @@ class RamSection(object): raise Exception("XBZRLE RAM compression is not supported yet") elif flags & self.RAM_SAVE_FLAG_HOOK: raise Exception("RAM hooks don't make sense with files") + if flags & self.RAM_SAVE_FLAG_MULTIFD_FLUSH: + continue # End of RAM section if flags & self.RAM_SAVE_FLAG_EOS: diff --git a/tests/migration/i386/a-b-bootblock.S b/tests/migration/i386/a-b-bootblock.S index 3d464c7..6bb9999 100644 --- a/tests/migration/i386/a-b-bootblock.S +++ b/tests/migration/i386/a-b-bootblock.S @@ -34,19 +34,31 @@ start: # at 0x7c00 ? mov $16,%eax mov %eax,%ds +# Start from 1MB +.set TEST_MEM_START, (1024*1024) +.set TEST_MEM_END, (100*1024*1024) + mov $65,%ax mov $0x3f8,%dx outb %al,%dx # bl keeps a counter so we limit the output speed mov $0, %bl + +pre_zero: + mov $TEST_MEM_START,%eax +do_zero: + movb $0, (%eax) + add $4096,%eax + cmp $TEST_MEM_END,%eax + jl do_zero + mainloop: - # Start from 1MB - mov $(1024*1024),%eax + mov $TEST_MEM_START,%eax innerloop: incb (%eax) add $4096,%eax - cmp $(100*1024*1024),%eax + cmp $TEST_MEM_END,%eax jl innerloop inc %bl diff --git a/tests/migration/i386/a-b-bootblock.h b/tests/migration/i386/a-b-bootblock.h index b7b0fce..5b52391 100644 --- a/tests/migration/i386/a-b-bootblock.h +++ b/tests/migration/i386/a-b-bootblock.h @@ -4,18 +4,18 @@ * the header and the assembler differences in your patch submission. */ unsigned char x86_bootsect[] = { - 0xfa, 0x0f, 0x01, 0x16, 0x78, 0x7c, 0x66, 0xb8, 0x01, 0x00, 0x00, 0x00, + 0xfa, 0x0f, 0x01, 0x16, 0x8c, 0x7c, 0x66, 0xb8, 0x01, 0x00, 0x00, 0x00, 0x0f, 0x22, 0xc0, 0x66, 0xea, 0x20, 0x7c, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe4, 0x92, 0x0c, 0x02, 0xe6, 0x92, 0xb8, 0x10, 0x00, 0x00, 0x00, 0x8e, 0xd8, 0x66, 0xb8, 0x41, 0x00, 0x66, 0xba, 0xf8, 0x03, 0xee, 0xb3, 0x00, 0xb8, 0x00, 0x00, 0x10, - 0x00, 0xfe, 0x00, 0x05, 0x00, 0x10, 0x00, 0x00, 0x3d, 0x00, 0x00, 0x40, - 0x06, 0x7c, 0xf2, 0xfe, 0xc3, 0x80, 0xe3, 0x3f, 0x75, 0xe6, 0x66, 0xb8, - 0x42, 0x00, 0x66, 0xba, 0xf8, 0x03, 0xee, 0xeb, 0xdb, 0x8d, 0x76, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, - 0x00, 0x9a, 0xcf, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x92, 0xcf, 0x00, - 0x27, 0x00, 0x60, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0xc6, 0x00, 0x00, 0x05, 0x00, 0x10, 0x00, 0x00, 0x3d, 0x00, 0x00, + 0x40, 0x06, 0x7c, 0xf1, 0xb8, 0x00, 0x00, 0x10, 0x00, 0xfe, 0x00, 0x05, + 0x00, 0x10, 0x00, 0x00, 0x3d, 0x00, 0x00, 0x40, 0x06, 0x7c, 0xf2, 0xfe, + 0xc3, 0x80, 0xe3, 0x3f, 0x75, 0xe6, 0x66, 0xb8, 0x42, 0x00, 0x66, 0xba, + 0xf8, 0x03, 0xee, 0xeb, 0xdb, 0x8d, 0x76, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x9a, 0xcf, 0x00, + 0xff, 0xff, 0x00, 0x00, 0x00, 0x92, 0xcf, 0x00, 0x27, 0x00, 0x74, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, diff --git a/tests/migration/s390x/a-b-bios.c b/tests/migration/s390x/a-b-bios.c index a0327cd..ff99a3e 100644 --- a/tests/migration/s390x/a-b-bios.c +++ b/tests/migration/s390x/a-b-bios.c @@ -27,6 +27,14 @@ void main(void) sclp_setup(); sclp_print("A"); + /* + * Make sure all of the pages have consistent contents before incrementing + * the first byte below. + */ + for (addr = START_ADDRESS; addr < END_ADDRESS; addr += 4096) { + *(volatile char *)addr = 0; + } + while (1) { for (addr = START_ADDRESS; addr < END_ADDRESS; addr += 4096) { *(volatile char *)addr += 1; /* Change pages */ diff --git a/tests/migration/s390x/a-b-bios.h b/tests/migration/s390x/a-b-bios.h index e722dc7..96103da 100644 --- a/tests/migration/s390x/a-b-bios.h +++ b/tests/migration/s390x/a-b-bios.h @@ -6,10 +6,10 @@ unsigned char s390x_elf[] = { 0x7f, 0x45, 0x4c, 0x46, 0x02, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x16, 0x00, 0x00, 0x00, 0x01, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x78, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x80, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xa8, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x09, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x38, 0x00, 0x07, 0x00, 0x40, - 0x00, 0x0c, 0x00, 0x0b, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x04, + 0x00, 0x0d, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x88, 0x00, 0x00, 0x00, 0x00, @@ -21,140 +21,154 @@ unsigned char s390x_elf[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x0c, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x0c, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xac, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xac, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x06, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x10, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x17, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x17, 0x10, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe8, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x98, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xb8, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x17, 0xb8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x17, 0xb8, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x38, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x01, 0x18, 0x48, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x07, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x17, 0x10, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x17, 0x10, 0x00, 0x00, 0x00, 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0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, + 0x00, 0x00, 0x17, 0xb8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xb8, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x20, 0x00, 0x00, 0x00, 0x04, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x4e, + 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0xd8, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x08, 0xd8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x07, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2c, + 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x53, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0xf0, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x01, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x58, 0x00, 0x00, 0x00, 0x01, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0xf0, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2b, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, + 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, - 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x09, 0x1b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x61, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x24, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x57, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00 + 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; @@ -2001,7 +2001,7 @@ static void cocoa_refresh(DisplayChangeListener *dcl) COCOA_DEBUG("qemu_cocoa: cocoa_refresh\n"); graphic_hw_update(NULL); - if (qemu_input_is_absolute()) { + if (qemu_input_is_absolute(dcl->con)) { dispatch_async(dispatch_get_main_queue(), ^{ if (![cocoaView isAbsoluteEnabled]) { if ([cocoaView isMouseGrabbed]) { diff --git a/ui/console.c b/ui/console.c index 4a4f19e..8ee66d1 100644 --- a/ui/console.c +++ b/ui/console.c @@ -1434,25 +1434,23 @@ bool qemu_console_is_gl_blocked(QemuConsole *con) return con->gl_block; } -bool qemu_console_is_multihead(DeviceState *dev) +static bool qemu_graphic_console_is_multihead(QemuGraphicConsole *c) { QemuConsole *con; - Object *obj; - uint32_t f = 0xffffffff; - uint32_t h; QTAILQ_FOREACH(con, &consoles, next) { - obj = object_property_get_link(OBJECT(con), - "device", &error_abort); - if (DEVICE(obj) != dev) { + QemuGraphicConsole *candidate; + + if (!QEMU_IS_GRAPHIC_CONSOLE(con)) { continue; } - h = object_property_get_uint(OBJECT(con), - "head", &error_abort); - if (f == 0xffffffff) { - f = h; - } else if (h != f) { + candidate = QEMU_GRAPHIC_CONSOLE(con); + if (candidate->device != c->device) { + continue; + } + + if (candidate->head != c->head) { return true; } } @@ -1468,7 +1466,7 @@ char *qemu_console_get_label(QemuConsole *con) bool multihead; dev = DEVICE(c->device); - multihead = qemu_console_is_multihead(dev); + multihead = qemu_graphic_console_is_multihead(c); if (multihead) { return g_strdup_printf("%s.%d", dev->id ? dev->id : diff --git a/ui/dbus-console.c b/ui/dbus-console.c index 36f7349..49da9cc 100644 --- a/ui/dbus-console.c +++ b/ui/dbus-console.c @@ -386,7 +386,7 @@ dbus_mouse_rel_motion(DBusDisplayConsole *ddc, { trace_dbus_mouse_rel_motion(dx, dy); - if (qemu_input_is_absolute()) { + if (qemu_input_is_absolute(ddc->dcl.con)) { g_dbus_method_invocation_return_error( invocation, DBUS_DISPLAY_ERROR, DBUS_DISPLAY_ERROR_INVALID, @@ -453,7 +453,7 @@ dbus_mouse_set_pos(DBusDisplayConsole *ddc, trace_dbus_mouse_set_pos(x, y); - if (!qemu_input_is_absolute()) { + if (!qemu_input_is_absolute(ddc->dcl.con)) { g_dbus_method_invocation_return_error( invocation, DBUS_DISPLAY_ERROR, DBUS_DISPLAY_ERROR_INVALID, @@ -514,7 +514,7 @@ static void dbus_mouse_update_is_absolute(DBusDisplayConsole *ddc) { g_object_set(ddc->iface_mouse, - "is-absolute", qemu_input_is_absolute(), + "is-absolute", qemu_input_is_absolute(ddc->dcl.con), NULL); } @@ -204,7 +204,7 @@ static void gd_update_cursor(VirtualConsole *vc) } window = gtk_widget_get_window(GTK_WIDGET(vc->gfx.drawing_area)); - if (s->full_screen || qemu_input_is_absolute() || s->ptr_owner == vc) { + if (s->full_screen || qemu_input_is_absolute(vc->gfx.dcl.con) || s->ptr_owner == vc) { gdk_window_set_cursor(window, s->null_cursor); } else { gdk_window_set_cursor(window, NULL); @@ -453,7 +453,7 @@ static void gd_mouse_set(DisplayChangeListener *dcl, gint x_root, y_root; if (!gtk_widget_get_realized(vc->gfx.drawing_area) || - qemu_input_is_absolute()) { + qemu_input_is_absolute(dcl->con)) { return; } @@ -689,7 +689,7 @@ static void gd_mouse_mode_change(Notifier *notify, void *data) s = container_of(notify, GtkDisplayState, mouse_mode_notifier); /* release the grab at switching to absolute mode */ - if (qemu_input_is_absolute() && s->ptr_owner) { + if (s->ptr_owner && qemu_input_is_absolute(s->ptr_owner->gfx.dcl.con)) { if (!s->ptr_owner->window) { gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item), FALSE); @@ -726,6 +726,10 @@ static void gd_set_ui_refresh_rate(VirtualConsole *vc, int refresh_rate) { QemuUIInfo info; + if (!dpy_ui_info_supported(vc->gfx.dcl.con)) { + return; + } + info = *dpy_get_ui_info(vc->gfx.dcl.con); info.refresh_rate = refresh_rate; dpy_set_ui_info(vc->gfx.dcl.con, &info, true); @@ -735,6 +739,10 @@ static void gd_set_ui_size(VirtualConsole *vc, gint width, gint height) { QemuUIInfo info; + if (!dpy_ui_info_supported(vc->gfx.dcl.con)) { + return; + } + info = *dpy_get_ui_info(vc->gfx.dcl.con); info.width = width; info.height = height; @@ -903,7 +911,7 @@ static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion, x = (motion->x - mx) / vc->gfx.scale_x * ws; y = (motion->y - my) / vc->gfx.scale_y * ws; - if (qemu_input_is_absolute()) { + if (qemu_input_is_absolute(vc->gfx.dcl.con)) { if (x < 0 || y < 0 || x >= surface_width(vc->gfx.ds) || y >= surface_height(vc->gfx.ds)) { @@ -923,7 +931,7 @@ static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion, s->last_y = y; s->last_set = TRUE; - if (!qemu_input_is_absolute() && s->ptr_owner == vc) { + if (!qemu_input_is_absolute(vc->gfx.dcl.con) && s->ptr_owner == vc) { GdkScreen *screen = gtk_widget_get_screen(vc->gfx.drawing_area); GdkDisplay *dpy = gtk_widget_get_display(widget); GdkWindow *win = gtk_widget_get_window(widget); @@ -965,7 +973,7 @@ static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button, /* implicitly grab the input at the first click in the relative mode */ if (button->button == 1 && button->type == GDK_BUTTON_PRESS && - !qemu_input_is_absolute() && s->ptr_owner != vc) { + !qemu_input_is_absolute(vc->gfx.dcl.con) && s->ptr_owner != vc) { if (!vc->window) { gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(s->grab_item), TRUE); @@ -56,7 +56,7 @@ QemuInputHandlerState *qemu_input_handler_register(DeviceState *dev, s->id = id++; QTAILQ_INSERT_TAIL(&handlers, s, node); - qemu_input_check_mode_change(); + notifier_list_notify(&mouse_mode_notifiers, NULL); return s; } @@ -64,21 +64,21 @@ void qemu_input_handler_activate(QemuInputHandlerState *s) { QTAILQ_REMOVE(&handlers, s, node); QTAILQ_INSERT_HEAD(&handlers, s, node); - qemu_input_check_mode_change(); + notifier_list_notify(&mouse_mode_notifiers, NULL); } void qemu_input_handler_deactivate(QemuInputHandlerState *s) { QTAILQ_REMOVE(&handlers, s, node); QTAILQ_INSERT_TAIL(&handlers, s, node); - qemu_input_check_mode_change(); + notifier_list_notify(&mouse_mode_notifiers, NULL); } void qemu_input_handler_unregister(QemuInputHandlerState *s) { QTAILQ_REMOVE(&handlers, s, node); g_free(s); - qemu_input_check_mode_change(); + notifier_list_notify(&mouse_mode_notifiers, NULL); } void qemu_input_handler_bind(QemuInputHandlerState *s, @@ -494,12 +494,12 @@ void qemu_input_update_buttons(QemuConsole *src, uint32_t *button_map, } } -bool qemu_input_is_absolute(void) +bool qemu_input_is_absolute(QemuConsole *con) { QemuInputHandlerState *s; s = qemu_input_find_handler(INPUT_EVENT_MASK_REL | INPUT_EVENT_MASK_ABS, - NULL); + con); return (s != NULL) && (s->handler->mask & INPUT_EVENT_MASK_ABS); } @@ -583,21 +583,6 @@ void qemu_input_queue_mtt_abs(QemuConsole *src, InputAxis axis, int value, qemu_input_event_send(src, &evt); } -void qemu_input_check_mode_change(void) -{ - static int current_is_absolute; - int is_absolute; - - is_absolute = qemu_input_is_absolute(); - - if (is_absolute != current_is_absolute) { - trace_input_mouse_mode(is_absolute); - notifier_list_notify(&mouse_mode_notifiers, NULL); - } - - current_is_absolute = is_absolute; -} - void qemu_add_mouse_mode_change_notifier(Notifier *notify) { notifier_list_add(&mouse_mode_notifiers, notify); @@ -657,6 +642,6 @@ bool qemu_mouse_set(int index, Error **errp) } qemu_input_handler_activate(s); - qemu_input_check_mode_change(); + notifier_list_notify(&mouse_mode_notifiers, NULL); return true; } diff --git a/ui/qemu-pixman.c b/ui/qemu-pixman.c index be00a96..b43ec38 100644 --- a/ui/qemu-pixman.c +++ b/ui/qemu-pixman.c @@ -96,7 +96,9 @@ static const struct { } drm_format_pixman_map[] = { { DRM_FORMAT_RGB888, PIXMAN_LE_r8g8b8 }, { DRM_FORMAT_ARGB8888, PIXMAN_LE_a8r8g8b8 }, - { DRM_FORMAT_XRGB8888, PIXMAN_LE_x8r8g8b8 } + { DRM_FORMAT_XRGB8888, PIXMAN_LE_x8r8g8b8 }, + { DRM_FORMAT_XBGR8888, PIXMAN_LE_x8b8g8r8 }, + { DRM_FORMAT_ABGR8888, PIXMAN_LE_a8b8g8r8 }, }; pixman_format_code_t qemu_drm_format_to_pixman(uint32_t drm_format) @@ -203,7 +203,7 @@ static void sdl_hide_cursor(struct sdl2_console *scon) SDL_ShowCursor(SDL_DISABLE); SDL_SetCursor(sdl_cursor_hidden); - if (!qemu_input_is_absolute()) { + if (!qemu_input_is_absolute(scon->dcl.con)) { SDL_SetRelativeMouseMode(SDL_TRUE); } } @@ -214,12 +214,12 @@ static void sdl_show_cursor(struct sdl2_console *scon) return; } - if (!qemu_input_is_absolute()) { + if (!qemu_input_is_absolute(scon->dcl.con)) { SDL_SetRelativeMouseMode(SDL_FALSE); } if (guest_cursor && - (gui_grab || qemu_input_is_absolute() || absolute_enabled)) { + (gui_grab || qemu_input_is_absolute(scon->dcl.con) || absolute_enabled)) { SDL_SetCursor(guest_sprite); } else { SDL_SetCursor(sdl_cursor_normal); @@ -245,7 +245,7 @@ static void sdl_grab_start(struct sdl2_console *scon) } if (guest_cursor) { SDL_SetCursor(guest_sprite); - if (!qemu_input_is_absolute() && !absolute_enabled) { + if (!qemu_input_is_absolute(scon->dcl.con) && !absolute_enabled) { SDL_WarpMouseInWindow(scon->real_window, guest_x, guest_y); } } else { @@ -280,7 +280,7 @@ static void absolute_mouse_grab(struct sdl2_console *scon) static void sdl_mouse_mode_change(Notifier *notify, void *data) { - if (qemu_input_is_absolute()) { + if (qemu_input_is_absolute(sdl2_console[0].dcl.con)) { if (!absolute_enabled) { absolute_enabled = 1; SDL_SetRelativeMouseMode(SDL_FALSE); @@ -311,7 +311,7 @@ static void sdl_send_mouse_event(struct sdl2_console *scon, int dx, int dy, prev_state = state; } - if (qemu_input_is_absolute()) { + if (qemu_input_is_absolute(scon->dcl.con)) { qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_X, x, 0, surface_width(scon->surface)); qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_Y, @@ -497,7 +497,7 @@ static void handle_mousemotion(SDL_Event *ev) return; } - if (qemu_input_is_absolute() || absolute_enabled) { + if (qemu_input_is_absolute(scon->dcl.con) || absolute_enabled) { int scr_w, scr_h; SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); max_x = scr_w - 1; @@ -513,7 +513,7 @@ static void handle_mousemotion(SDL_Event *ev) sdl_grab_start(scon); } } - if (gui_grab || qemu_input_is_absolute() || absolute_enabled) { + if (gui_grab || qemu_input_is_absolute(scon->dcl.con) || absolute_enabled) { sdl_send_mouse_event(scon, ev->motion.xrel, ev->motion.yrel, ev->motion.x, ev->motion.y, ev->motion.state); } @@ -530,7 +530,7 @@ static void handle_mousebutton(SDL_Event *ev) } bev = &ev->button; - if (!gui_grab && !qemu_input_is_absolute()) { + if (!gui_grab && !qemu_input_is_absolute(scon->dcl.con)) { if (ev->type == SDL_MOUSEBUTTONUP && bev->button == SDL_BUTTON_LEFT) { /* start grabbing all events */ sdl_grab_start(scon); @@ -603,7 +603,7 @@ static void handle_windowevent(SDL_Event *ev) } /* fall through */ case SDL_WINDOWEVENT_ENTER: - if (!gui_grab && (qemu_input_is_absolute() || absolute_enabled)) { + if (!gui_grab && (qemu_input_is_absolute(scon->dcl.con) || absolute_enabled)) { absolute_mouse_grab(scon); } /* If a new console window opened using a hotkey receives the @@ -733,9 +733,9 @@ static void sdl_mouse_warp(DisplayChangeListener *dcl, if (!guest_cursor) { sdl_show_cursor(scon); } - if (gui_grab || qemu_input_is_absolute() || absolute_enabled) { + if (gui_grab || qemu_input_is_absolute(scon->dcl.con) || absolute_enabled) { SDL_SetCursor(guest_sprite); - if (!qemu_input_is_absolute() && !absolute_enabled) { + if (!qemu_input_is_absolute(scon->dcl.con) && !absolute_enabled) { SDL_WarpMouseInWindow(scon->real_window, x, y); } } @@ -773,7 +773,7 @@ static void sdl_mouse_define(DisplayChangeListener *dcl, return; } if (guest_cursor && - (gui_grab || qemu_input_is_absolute() || absolute_enabled)) { + (gui_grab || qemu_input_is_absolute(dcl->con) || absolute_enabled)) { SDL_SetCursor(guest_sprite); } } diff --git a/ui/spice-input.c b/ui/spice-input.c index bbd5025..a5c5d78 100644 --- a/ui/spice-input.c +++ b/ui/spice-input.c @@ -224,7 +224,7 @@ static const SpiceTabletInterface tablet_interface = { static void mouse_mode_notifier(Notifier *notifier, void *data) { QemuSpicePointer *pointer = container_of(notifier, QemuSpicePointer, mouse_mode); - bool is_absolute = qemu_input_is_absolute(); + bool is_absolute = qemu_input_is_absolute(NULL); if (pointer->absolute == is_absolute) { return; diff --git a/ui/trace-events b/ui/trace-events index 76b19a2..16c35c9 100644 --- a/ui/trace-events +++ b/ui/trace-events @@ -92,7 +92,6 @@ input_event_rel(int conidx, const char *axis, int value) "con %d, axis %s, value input_event_abs(int conidx, const char *axis, int value) "con %d, axis %s, value 0x%x" input_event_mtt(int conidx, const char *axis, int value) "con %d, axis %s, value 0x%x" input_event_sync(void) "" -input_mouse_mode(int absolute) "absolute %d" # sdl2-input.c sdl2_process_key(int sdl_scancode, int qcode, const char *action) "translated SDL scancode %d to QKeyCode %d (%s)" @@ -1771,7 +1771,7 @@ uint32_t read_u32(uint8_t *data, size_t offset) static void check_pointer_type_change(Notifier *notifier, void *data) { VncState *vs = container_of(notifier, VncState, mouse_mode_notifier); - int absolute = qemu_input_is_absolute(); + int absolute = qemu_input_is_absolute(vs->vd->dcl.con); if (vnc_has_feature(vs, VNC_FEATURE_POINTER_TYPE_CHANGE) && vs->absolute != absolute) { vnc_lock_output(vs); diff --git a/util/coroutine-sigaltstack.c b/util/coroutine-sigaltstack.c index e2690c5..037d641 100644 --- a/util/coroutine-sigaltstack.c +++ b/util/coroutine-sigaltstack.c @@ -22,9 +22,9 @@ */ /* XXX Is there a nicer way to disable glibc's stack check for longjmp? */ -#ifdef _FORTIFY_SOURCE #undef _FORTIFY_SOURCE -#endif +#define _FORTIFY_SOURCE 0 + #include "qemu/osdep.h" #include <pthread.h> #include "qemu/coroutine_int.h" diff --git a/util/coroutine-ucontext.c b/util/coroutine-ucontext.c index ddc98fb..7b304c7 100644 --- a/util/coroutine-ucontext.c +++ b/util/coroutine-ucontext.c @@ -19,9 +19,9 @@ */ /* XXX Is there a nicer way to disable glibc's stack check for longjmp? */ -#ifdef _FORTIFY_SOURCE #undef _FORTIFY_SOURCE -#endif +#define _FORTIFY_SOURCE 0 + #include "qemu/osdep.h" #include <ucontext.h> #include "qemu/coroutine_int.h" diff --git a/util/oslib-win32.c b/util/oslib-win32.c index 19a0ea7..55b0189 100644 --- a/util/oslib-win32.c +++ b/util/oslib-win32.c @@ -479,7 +479,7 @@ int qemu_bind_wrap(int sockfd, const struct sockaddr *addr, return ret; } -EXCEPTION_DISPOSITION +QEMU_USED EXCEPTION_DISPOSITION win32_close_exception_handler(struct _EXCEPTION_RECORD *exception_record, void *registration, struct _CONTEXT *context, void *dispatcher) |