# Copyright 2021 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

# Copyright 2021 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

# Rules from common_device.policy with some rules removed because they block certain flags needed
# for gpu.
brk: 1
clock_gettime: 1
clone3: 1
close: 1
dup3: 1
dup: 1
epoll_create1: 1
epoll_ctl: 1
epoll_pwait: 1
eventfd2: 1
exit: 1
exit_group: 1
ftruncate: 1
futex: 1
getcwd: 1
getpid: 1
gettid: 1
gettimeofday: 1
io_uring_setup: 1
io_uring_register: 1
io_uring_enter: 1
kill: 1
madvise: arg2 == MADV_DONTNEED || arg2 == MADV_DONTDUMP || arg2 == MADV_REMOVE || arg2 == MADV_MERGEABLE || arg2 == MADV_FREE
membarrier: 1
# memfd_create is used for sharing memory with wayland.
# For normal use case, we allow arg1 == MFD_CLOEXEC|MFD_ALLOW_SEALING, with or without MFD_NOEXEC_SEAL.
# However, we allow all the arguments here for backtrace when it panics.
memfd_create: 1
mremap: 1
munmap: 1
nanosleep: 1
clock_nanosleep: 1
pipe2: 1
ppoll: 1
read: 1
readlinkat: 1
readv: 1
recvfrom: 1
recvmsg: 1
restart_syscall: 1
rseq: 1
rt_sigaction: 1
rt_sigprocmask: 1
rt_sigreturn: 1
sched_getaffinity: 1
sched_yield: 1
sendmsg: 1
sendto: 1
set_robust_list: 1
sigaltstack: 1
write: 1
writev: 1
uname: 1

# Required for perfetto tracing
getsockopt: 1
shutdown: 1

## Rules specific to gpu
connect: 1
getrandom: 1
lseek: 1
statx: 1
fstat: 1
newfstatat: 1
getdents64: 1
sysinfo: 1
fstatfs: 1
prctl: arg0 == PR_SET_NAME || arg0 == PR_GET_NAME

# 0x6400 == DRM_IOCTL_BASE, 0x8000 = KBASE_IOCTL_TYPE (mali), 0x40086200 = DMA_BUF_IOCTL_SYNC, 0x40087543 == UDMABUF_CREATE_LIST
# (from vmm-swap below) 0xc018aa3f == UFFDIO_API, 0xaa00 == USERFAULTFD_IOC_NEW
# (from wl_device) arg1 == FIONBIO || arg1 == DMA_BUF_IOCTL_SYNC || arg1 == SYNC_IOC_FILE_INFO || arg1 & DRM_IOCTL_BASE
ioctl: arg1 & 0x6400 || arg1 & 0x8000 || arg1 == 0x40086200 || arg1 == 0x40087543 || arg1 == 0xc018aa3f || arg1 == 0xaa00 || arg1 == 0x5421 || arg1 == 0x40086200 || arg1 == 0xc0383e04 || arg1 & 0x6400

## mmap/mprotect differ from the common_device.policy
mmap: arg2 == PROT_READ|PROT_WRITE || arg2 == PROT_NONE || arg2 == PROT_READ|PROT_EXEC || arg2 == PROT_WRITE || arg2 == PROT_READ
mprotect: arg2 == PROT_READ|PROT_WRITE || arg2 == PROT_NONE || arg2 == PROT_READ
openat: 1

## Rules specific to pvr
geteuid: 1
getuid: 1
fcntl: 1
tgkill: 1

# Rules specific to Mesa.
sched_setscheduler: 1
sched_setaffinity: 1
kcmp: 1

# Rules for Mesa's u_trace thread
setpriority: 1

# Rules for Vulkan loader / layers
faccessat: 1
faccessat2: 1
getgid: 1
getegid: 1

## Rules for vmm-swap
userfaultfd: 1
# 0xc018aa3f == UFFDIO_API, 0xaa00 == USERFAULTFD_IOC_NEW
# ioctl: arg1 == 0xc018aa3f || arg1 == 0xaa00

## Rules for mali shader dump (debug workflow)
mkdirat: 1

# allow fork() and waitid()
clone: 1
waitid: 1

# allow SOCK_STREAM and SOCK_DGRAM (syslog)
socket: arg0 == AF_UNIX && arg2 == 0

# allow socketpair(AF_UNIX, SOCK_SEQPACKET | SOCK_CLOEXEC)
socketpair: arg0 == AF_UNIX && arg1 == SOCK_SEQPACKET|SOCK_CLOEXEC && arg2 == 0

# allow signalfd()
signalfd4: 1