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-rw-r--r--sys/linux/dev_camx.txt184
1 files changed, 184 insertions, 0 deletions
diff --git a/sys/linux/dev_camx.txt b/sys/linux/dev_camx.txt
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index 000000000..5c8125f32
--- /dev/null
+++ b/sys/linux/dev_camx.txt
@@ -0,0 +1,184 @@
+# Copyright 2023 syzkaller project authors. All rights reserved.
+# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
+
+# The source file of camx ioctl can be found in ChromeOS source tree:
+# https://chromium.googlesource.com/chromiumos/third_party/kernel/+/refs/heads/chromeos-5.15/drivers/media/platform/camx/
+
+# Not upstream, generated on:
+# https://chromium.googlesource.com/chromiumos/third_party/kernel cdff88937190
+# with -includedirs drivers/media/platform/camx/include/uapi
+meta noextract
+
+include <media/cam_req_mgr.h>
+
+resource fd_camx[fd]
+resource session_handle[int32]
+resource link_handle[int32]
+resource alloc_fd[fd]
+
+openat$camx(fd const[AT_FDCWD], file ptr[in, string["/dev/v4l/by-path/platform-soc@0:qcom_cam-req-mgr-video-index0"]], flags const[O_RDWR], mode const[0]) fd_camx
+
+# no code handles commented out op_code
+
+# ioctl$CAM_REQ_MGR_CREATE_DEV_NODES(fd fd_camx, cmd const[VIDIOC_CAM_CONTROL], arg ptr[inout, cam_control$CAM_REQ_MGR_CREATE_DEV_NODES])
+ioctl$CAM_REQ_MGR_CREATE_SESSION(fd fd_camx, cmd const[VIDIOC_CAM_CONTROL], arg ptr[inout, cam_control$CAM_REQ_MGR_CREATE_SESSION])
+ioctl$CAM_REQ_MGR_DESTROY_SESSION(fd fd_camx, cmd const[VIDIOC_CAM_CONTROL], arg ptr[inout, cam_control$CAM_REQ_MGR_DESTROY_SESSION])
+ioctl$CAM_REQ_MGR_LINK(fd fd_camx, cmd const[VIDIOC_CAM_CONTROL], arg ptr[inout, cam_control$CAM_REQ_MGR_LINK])
+ioctl$CAM_REQ_MGR_UNLINK(fd fd_camx, cmd const[VIDIOC_CAM_CONTROL], arg ptr[inout, cam_control$CAM_REQ_MGR_UNLINK])
+ioctl$CAM_REQ_MGR_SCHED_REQ(fd fd_camx, cmd const[VIDIOC_CAM_CONTROL], arg ptr[inout, cam_control$CAM_REQ_MGR_SCHED_REQ])
+ioctl$CAM_REQ_MGR_FLUSH_REQ(fd fd_camx, cmd const[VIDIOC_CAM_CONTROL], arg ptr[inout, cam_control$CAM_REQ_MGR_FLUSH_REQ])
+ioctl$CAM_REQ_MGR_SYNC_MODE(fd fd_camx, cmd const[VIDIOC_CAM_CONTROL], arg ptr[inout, cam_control$CAM_REQ_MGR_SYNC_MODE])
+ioctl$CAM_REQ_MGR_ALLOC_BUF(fd fd_camx, cmd const[VIDIOC_CAM_CONTROL], arg ptr[inout, cam_control$CAM_REQ_MGR_ALLOC_BUF])
+ioctl$CAM_REQ_MGR_MAP_BUF(fd fd_camx, cmd const[VIDIOC_CAM_CONTROL], arg ptr[inout, cam_control$CAM_REQ_MGR_MAP_BUF])
+ioctl$CAM_REQ_MGR_RELEASE_BUF(fd fd_camx, cmd const[VIDIOC_CAM_CONTROL], arg ptr[inout, cam_control$CAM_REQ_MGR_RELEASE_BUF])
+# ioctl$CAM_REQ_MGR_CACHE_OPS(fd fd_camx, cmd const[VIDIOC_CAM_CONTROL], arg ptr[inout, cam_control$CAM_REQ_MGR_CACHE_OPS])
+ioctl$CAM_REQ_MGR_LINK_CONTROL(fd fd_camx, cmd const[VIDIOC_CAM_CONTROL], arg ptr[inout, cam_control$CAM_REQ_MGR_LINK_CONTROL])
+ioctl$CAM_REQ_MGR_LINK_V2(fd fd_camx, cmd const[VIDIOC_CAM_CONTROL], arg ptr[inout, cam_control$CAM_REQ_MGR_LINK_V2])
+ioctl$CAM_REQ_MGR_REQUEST_DUMP(fd fd_camx, cmd const[VIDIOC_CAM_CONTROL], arg ptr[inout, cam_control$CAM_REQ_MGR_REQUEST_DUMP])
+
+type cam_control[OPCODE, HANDLE] {
+ op_code const[OPCODE, int32]
+ size bytesize[handle, int32]
+ handle_type const[CAM_HANDLE_USER_POINTER, int32]
+ reserved const[0, int32]
+ handle ptr[in, HANDLE]
+}
+
+type cam_control$CAM_REQ_MGR_CREATE_SESSION cam_control[CAM_REQ_MGR_CREATE_SESSION, cam_req_mgr_session_info__for_create]
+type cam_control$CAM_REQ_MGR_DESTROY_SESSION cam_control[CAM_REQ_MGR_DESTROY_SESSION, cam_req_mgr_session_info__for_destroy]
+type cam_control$CAM_REQ_MGR_LINK cam_control[CAM_REQ_MGR_LINK, cam_req_mgr_ver_info]
+type cam_control$CAM_REQ_MGR_UNLINK cam_control[CAM_REQ_MGR_UNLINK, cam_req_mgr_unlink_info]
+type cam_control$CAM_REQ_MGR_SCHED_REQ cam_control[CAM_REQ_MGR_SCHED_REQ, cam_req_mgr_sched_request]
+type cam_control$CAM_REQ_MGR_FLUSH_REQ cam_control[CAM_REQ_MGR_FLUSH_REQ, cam_req_mgr_flush_info]
+type cam_control$CAM_REQ_MGR_SYNC_MODE cam_control[CAM_REQ_MGR_SYNC_MODE, cam_req_mgr_sync_mode]
+type cam_control$CAM_REQ_MGR_ALLOC_BUF cam_control[CAM_REQ_MGR_ALLOC_BUF, cam_mem_mgr_alloc_cmd]
+type cam_control$CAM_REQ_MGR_MAP_BUF cam_control[CAM_REQ_MGR_MAP_BUF, cam_mem_mgr_map_cmd]
+type cam_control$CAM_REQ_MGR_RELEASE_BUF cam_control[CAM_REQ_MGR_RELEASE_BUF, cam_mem_mgr_release_cmd]
+type cam_control$CAM_REQ_MGR_LINK_CONTROL cam_control[CAM_REQ_MGR_LINK_CONTROL, cam_req_mgr_link_control]
+type cam_control$CAM_REQ_MGR_LINK_V2 cam_control[CAM_REQ_MGR_LINK_V2, cam_req_mgr_ver_info]
+type cam_control$CAM_REQ_MGR_REQUEST_DUMP cam_control[CAM_REQ_MGR_REQUEST_DUMP, cam_dump_req_cmd]
+
+# originally cam_req_mgr_session_info
+cam_req_mgr_session_info__for_create {
+ session_hdl session_handle (out)
+ reserved const[0, int32]
+}
+
+# originally cam_req_mgr_session_info
+cam_req_mgr_session_info__for_destroy {
+ session_hdl session_handle
+ reserved const[0, int32]
+}
+
+cam_req_mgr_ver_info {
+ version int32 (out)
+ u cam_req_mgr_ver_info_union
+}
+
+cam_req_mgr_ver_info_union {
+ link_info_v1 cam_req_mgr_link_info
+ link_info_v2 cam_req_mgr_link_info_v2
+}
+
+cam_req_mgr_link_info {
+ session_hdl session_handle
+ num_devices len[dev_hdls, int32]
+ dev_hdls array[int32, CAM_REQ_MGR_MAX_HANDLES]
+ link_hdl link_handle (out)
+}
+
+cam_req_mgr_link_info_v2 {
+ session_hdl session_handle
+ num_devices len[dev_hdls, int32]
+ dev_hdls array[int32, CAM_REQ_MGR_MAX_HANDLES_V2]
+ link_hdl link_handle (out)
+}
+
+cam_req_mgr_unlink_info {
+ session_hdl session_handle
+ link_hdl link_handle
+}
+
+cam_req_mgr_sched_request {
+ session_hdl session_handle
+ link_hdl link_handle
+ bubble_enable int32
+ sync_mode flags[sync_mode_flags, int32]
+ req_id int64
+}
+
+cam_req_mgr_flush_info {
+ session_hdl session_handle
+ link_hdl link_handle
+ flush_type flags[flush_type_flags, int32]
+ reserved const[0, int32]
+ req_id int64
+}
+
+cam_req_mgr_sync_mode {
+ session_hdl session_handle
+ sync_mode flags[sync_mode_flags, int32]
+ num_links len[link_hdls, int32]
+ link_hdls array[link_handle, MAX_LINKS_PER_SESSION]
+ master_link_hdl link_handle
+ reserved const[0, int32]
+}
+
+cam_mem_mgr_alloc_cmd {
+ len int64
+ align int64
+ mmu_hdls array[int32, CAM_MEM_MMU_MAX_HANDLE]
+ num_hdl len[mmu_hdls, int32]
+ flags flags[mem_flags, int32]
+ out cam_mem_alloc_out_params (out)
+}
+
+cam_mem_alloc_out_params {
+ buf_handle int32
+ fd alloc_fd
+ vaddr int64
+}
+
+cam_mem_mgr_map_cmd {
+ mmu_hdls array[int32, CAM_MEM_MMU_MAX_HANDLE]
+ num_hdl len[mmu_hdls, int32]
+ flags flags[mem_flags, int32]
+ fd alloc_fd
+ reserved const[0, int32]
+ out cam_mem_map_out_params (out)
+}
+
+cam_mem_map_out_params {
+ buf_handle int32
+ reserved const[0, int32]
+ vaddr int64
+}
+
+cam_mem_mgr_release_cmd {
+ buf_handle int32
+ reserved const[0, int32]
+}
+
+cam_req_mgr_link_control {
+ ops flags[link_control_operation_flags, int32]
+ session_hdl session_handle
+ num_links len[link_hdls, int32]
+ reserved const[0, int32]
+ link_hdls array[link_handle, MAX_LINKS_PER_SESSION]
+}
+
+cam_dump_req_cmd {
+ issue_req_id int64
+ session_handle session_handle
+ link_hdl int32
+ dev_handle int32
+ error_type int32
+ buf_handle int32
+ offset int32 (out)
+ reserved const[0, int32]
+}
+
+flush_type_flags = CAM_REQ_MGR_FLUSH_TYPE_ALL, CAM_REQ_MGR_FLUSH_TYPE_CANCEL_REQ, CAM_REQ_MGR_FLUSH_TYPE_MAX
+sync_mode_flags = CAM_REQ_MGR_SYNC_MODE_NO_SYNC, CAM_REQ_MGR_SYNC_MODE_SYNC
+link_control_operation_flags = CAM_REQ_MGR_LINK_ACTIVATE, CAM_REQ_MGR_LINK_DEACTIVATE
+mem_flags = CAM_MEM_FLAG_HW_READ_WRITE, CAM_MEM_FLAG_HW_READ_ONLY, CAM_MEM_FLAG_HW_WRITE_ONLY, CAM_MEM_FLAG_KMD_ACCESS, CAM_MEM_FLAG_UMD_ACCESS, CAM_MEM_FLAG_PROTECTED_MODE, CAM_MEM_FLAG_CMD_BUF_TYPE, CAM_MEM_FLAG_PIXEL_BUF_TYPE, CAM_MEM_FLAG_STATS_BUF_TYPE, CAM_MEM_FLAG_PACKET_BUF_TYPE, CAM_MEM_FLAG_CACHE, CAM_MEM_HW_SHARED_ACCESS, CAM_MEM_FLAG_CDSP_OUTPUT