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289 lines
6.9 KiB
289 lines
6.9 KiB
/*
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* Copyright © 2017 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <errno.h>
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#include <xf86drm.h>
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#include "igt.h"
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#include "igt_syncobj.h"
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/**
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* SECTION:igt_syncobj
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* @short_description: Library with syncobj helpers
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* @title: syncobj
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* @include: igt_syncobj.h
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*
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* This library contains helpers for sync object tests.
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*/
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static int
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__syncobj_create(int fd, uint32_t *handle, uint32_t flags)
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{
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struct drm_syncobj_create create = { 0 };
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int err = 0;
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create.flags = flags;
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if (drmIoctl(fd, DRM_IOCTL_SYNCOBJ_CREATE, &create))
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err = -errno;
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*handle = create.handle;
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return err;
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}
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/**
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* syncobj_create
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* @fd: The DRM file descriptor
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* @flags: Flags to pass syncobj create
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*
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* Create a syncobj with the flags.
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*
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* Returns: A newly created syncobj
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*/
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uint32_t
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syncobj_create(int fd, uint32_t flags)
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{
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uint32_t handle;
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igt_assert_eq(__syncobj_create(fd, &handle, flags), 0);
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igt_assert(handle);
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return handle;
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}
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static int
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__syncobj_destroy(int fd, uint32_t handle)
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{
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struct drm_syncobj_destroy destroy = { 0 };
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int err = 0;
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destroy.handle = handle;
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if (drmIoctl(fd, DRM_IOCTL_SYNCOBJ_DESTROY, &destroy))
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err = -errno;
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return err;
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}
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/**
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* syncobj_destroy:
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* @fd: The DRM file descriptor
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* @handle: The handle to the syncobj to destroy
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* Destroy a syncobj.
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*/
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void
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syncobj_destroy(int fd, uint32_t handle)
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{
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igt_assert_eq(__syncobj_destroy(fd, handle), 0);
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}
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int
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__syncobj_handle_to_fd(int fd, struct drm_syncobj_handle *args)
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{
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int err = 0;
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if (drmIoctl(fd, DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD, args))
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err = -errno;
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return err;
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}
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/**
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* syncobj_handle_to_fd:
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* @fd: The DRM file descriptor
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* @handle: Handle to syncobj
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* @flags: Flags to handle to fd ioctl.
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*
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* Convert a syncobj handle to an fd using the flags.
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*
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* Returns: a file descriptor (either syncobj or sync_file.
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*/
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int
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syncobj_handle_to_fd(int fd, uint32_t handle, uint32_t flags)
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{
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struct drm_syncobj_handle args = { 0 };
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args.handle = handle;
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args.flags = flags;
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igt_assert_eq(__syncobj_handle_to_fd(fd, &args), 0);
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igt_assert(args.fd >= 0);
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return args.fd;
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}
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int
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__syncobj_fd_to_handle(int fd, struct drm_syncobj_handle *args)
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{
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int err = 0;
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if (drmIoctl(fd, DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE, args))
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err = -errno;
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return err;
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}
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/**
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* syncobj_fd_to_handle:
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* @fd: The DRM file descriptor
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* @syncobj_fd: syncobj fd to convert
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* @flags: Flags to the syncobj fd to handle ioctl.
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*
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* Convert a syncobj fd a syncobj handle using the flags.
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*
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* Returns: a syncobj handle.
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*/
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uint32_t
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syncobj_fd_to_handle(int fd, int syncobj_fd, uint32_t flags)
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{
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struct drm_syncobj_handle args = { 0 };
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args.fd = syncobj_fd;
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args.flags = flags;
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igt_assert_eq(__syncobj_fd_to_handle(fd, &args), 0);
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igt_assert(args.handle > 0);
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return args.handle;
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}
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/**
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* syncobj_import_sync_file:
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* @fd: The DRM file descriptor
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* @handle: Handle to the syncobt to import file into
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* @sync_file: The sync_file fd to import state from.
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*
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* Import a sync_file fd into a syncobj handle.
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*/
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void
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syncobj_import_sync_file(int fd, uint32_t handle, int sync_file)
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{
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struct drm_syncobj_handle args = { 0 };
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args.handle = handle;
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args.fd = sync_file;
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args.flags = DRM_SYNCOBJ_FD_TO_HANDLE_FLAGS_IMPORT_SYNC_FILE;
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igt_assert_eq(__syncobj_fd_to_handle(fd, &args), 0);
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}
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int
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__syncobj_wait(int fd, struct local_syncobj_wait *args)
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{
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int err = 0;
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if (drmIoctl(fd, LOCAL_IOCTL_SYNCOBJ_WAIT, args))
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err = -errno;
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return err;
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}
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int
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syncobj_wait_err(int fd, uint32_t *handles, uint32_t count,
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uint64_t abs_timeout_nsec, uint32_t flags)
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{
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struct local_syncobj_wait wait;
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wait.handles = to_user_pointer(handles);
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wait.timeout_nsec = abs_timeout_nsec;
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wait.count_handles = count;
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wait.flags = flags;
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wait.first_signaled = 0;
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wait.pad = 0;
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return __syncobj_wait(fd, &wait);
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}
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/**
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* syncobj_wait:
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* @fd: The DRM file descriptor
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* @handles: List of syncobj handles to wait for.
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* @count: Count of handles
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* @abs_timeout_nsec: Absolute wait timeout in nanoseconds.
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* @flags: Wait ioctl flags.
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* @first_signaled: Returned handle for first signaled syncobj.
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*
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* Waits in the kernel for any/all the requested syncobjs
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* using the timeout and flags.
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* Returns: bool value - false = timedout, true = signaled
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*/
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bool
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syncobj_wait(int fd, uint32_t *handles, uint32_t count,
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uint64_t abs_timeout_nsec, uint32_t flags,
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uint32_t *first_signaled)
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{
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struct local_syncobj_wait wait;
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int ret;
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wait.handles = to_user_pointer(handles);
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wait.timeout_nsec = abs_timeout_nsec;
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wait.count_handles = count;
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wait.flags = flags;
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wait.first_signaled = 0;
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wait.pad = 0;
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ret = __syncobj_wait(fd, &wait);
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if (ret == -ETIME)
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return false;
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igt_assert_eq(ret, 0);
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if (first_signaled)
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*first_signaled = wait.first_signaled;
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return true;
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}
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static int
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__syncobj_reset(int fd, uint32_t *handles, uint32_t count)
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{
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struct local_syncobj_array array = { 0 };
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int err = 0;
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array.handles = to_user_pointer(handles);
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array.count_handles = count;
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if (drmIoctl(fd, LOCAL_IOCTL_SYNCOBJ_RESET, &array))
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err = -errno;
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return err;
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}
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/**
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* syncobj_reset:
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* @fd: The DRM file descriptor.
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* @handles: Array of syncobj handles to reset
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* @count: Count of syncobj handles.
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*
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* Reset state of a set of syncobjs.
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*/
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void
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syncobj_reset(int fd, uint32_t *handles, uint32_t count)
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{
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igt_assert_eq(__syncobj_reset(fd, handles, count), 0);
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}
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static int
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__syncobj_signal(int fd, uint32_t *handles, uint32_t count)
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{
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struct local_syncobj_array array = { 0 };
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int err = 0;
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array.handles = to_user_pointer(handles);
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array.count_handles = count;
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if (drmIoctl(fd, LOCAL_IOCTL_SYNCOBJ_SIGNAL, &array))
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err = -errno;
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return err;
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}
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/**
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* syncobj_signal:
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* @fd: The DRM file descriptor.
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* @handles: Array of syncobj handles to signal
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* @count: Count of syncobj handles.
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*
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* Signal a set of syncobjs.
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*/
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void
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syncobj_signal(int fd, uint32_t *handles, uint32_t count)
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{
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igt_assert_eq(__syncobj_signal(fd, handles, count), 0);
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}
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