Jason Ekstrand | 1f09b85 | 2017-08-28 14:10:12 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright © 2017 Intel Corporation |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 5 | * copy of this software and associated documentation files (the "Software"), |
| 6 | * to deal in the Software without restriction, including without limitation |
| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
| 9 | * Software is furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice (including the next |
| 12 | * paragraph) shall be included in all copies or substantial portions of the |
| 13 | * Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| 21 | * IN THE SOFTWARE. |
| 22 | */ |
| 23 | |
| 24 | #include <errno.h> |
| 25 | #include <xf86drm.h> |
| 26 | |
| 27 | #include "igt.h" |
| 28 | #include "igt_syncobj.h" |
| 29 | |
| 30 | /** |
| 31 | * SECTION:igt_syncobj |
| 32 | * @short_description: Library with syncobj helpers |
| 33 | * @title: syncobj |
| 34 | * @include: igt_syncobj.h |
| 35 | * |
| 36 | * This library contains helpers for sync object tests. |
| 37 | */ |
| 38 | |
| 39 | static int |
| 40 | __syncobj_create(int fd, uint32_t *handle, uint32_t flags) |
| 41 | { |
| 42 | struct drm_syncobj_create create = { 0 }; |
| 43 | int err = 0; |
| 44 | |
| 45 | create.flags = flags; |
| 46 | if (drmIoctl(fd, DRM_IOCTL_SYNCOBJ_CREATE, &create)) |
| 47 | err = -errno; |
| 48 | *handle = create.handle; |
| 49 | return err; |
| 50 | } |
| 51 | |
| 52 | /** |
| 53 | * syncobj_create |
| 54 | * @fd: The DRM file descriptor |
| 55 | * @flags: Flags to pass syncobj create |
| 56 | * |
| 57 | * Create a syncobj with the flags. |
| 58 | * |
| 59 | * Returns: A newly created syncobj |
| 60 | */ |
| 61 | uint32_t |
| 62 | syncobj_create(int fd, uint32_t flags) |
| 63 | { |
| 64 | uint32_t handle; |
| 65 | igt_assert_eq(__syncobj_create(fd, &handle, flags), 0); |
| 66 | igt_assert(handle); |
| 67 | return handle; |
| 68 | } |
| 69 | |
| 70 | static int |
| 71 | __syncobj_destroy(int fd, uint32_t handle) |
| 72 | { |
| 73 | struct drm_syncobj_destroy destroy = { 0 }; |
| 74 | int err = 0; |
| 75 | |
| 76 | destroy.handle = handle; |
| 77 | if (drmIoctl(fd, DRM_IOCTL_SYNCOBJ_DESTROY, &destroy)) |
| 78 | err = -errno; |
| 79 | return err; |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * syncobj_destroy: |
| 84 | * @fd: The DRM file descriptor |
| 85 | * @handle: The handle to the syncobj to destroy |
| 86 | * Destroy a syncobj. |
| 87 | */ |
| 88 | void |
| 89 | syncobj_destroy(int fd, uint32_t handle) |
| 90 | { |
| 91 | igt_assert_eq(__syncobj_destroy(fd, handle), 0); |
| 92 | } |
| 93 | |
| 94 | int |
| 95 | __syncobj_handle_to_fd(int fd, struct drm_syncobj_handle *args) |
| 96 | { |
| 97 | int err = 0; |
| 98 | if (drmIoctl(fd, DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD, args)) |
| 99 | err = -errno; |
| 100 | return err; |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * syncobj_handle_to_fd: |
| 105 | * @fd: The DRM file descriptor |
| 106 | * @handle: Handle to syncobj |
| 107 | * @flags: Flags to handle to fd ioctl. |
| 108 | * |
| 109 | * Convert a syncobj handle to an fd using the flags. |
| 110 | * |
| 111 | * Returns: a file descriptor (either syncobj or sync_file. |
| 112 | */ |
| 113 | int |
| 114 | syncobj_handle_to_fd(int fd, uint32_t handle, uint32_t flags) |
| 115 | { |
| 116 | struct drm_syncobj_handle args = { 0 }; |
| 117 | args.handle = handle; |
| 118 | args.flags = flags; |
| 119 | igt_assert_eq(__syncobj_handle_to_fd(fd, &args), 0); |
| 120 | igt_assert(args.fd >= 0); |
| 121 | return args.fd; |
| 122 | } |
| 123 | |
| 124 | int |
| 125 | __syncobj_fd_to_handle(int fd, struct drm_syncobj_handle *args) |
| 126 | { |
| 127 | int err = 0; |
| 128 | if (drmIoctl(fd, DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE, args)) |
| 129 | err = -errno; |
| 130 | return err; |
| 131 | } |
| 132 | |
| 133 | /** |
| 134 | * syncobj_fd_to_handle: |
| 135 | * @fd: The DRM file descriptor |
| 136 | * @syncobj_fd: syncobj fd to convert |
| 137 | * @flags: Flags to the syncobj fd to handle ioctl. |
| 138 | * |
| 139 | * Convert a syncobj fd a syncobj handle using the flags. |
| 140 | * |
| 141 | * Returns: a syncobj handle. |
| 142 | */ |
| 143 | uint32_t |
| 144 | syncobj_fd_to_handle(int fd, int syncobj_fd, uint32_t flags) |
| 145 | { |
| 146 | struct drm_syncobj_handle args = { 0 }; |
| 147 | args.fd = syncobj_fd; |
| 148 | args.flags = flags; |
| 149 | igt_assert_eq(__syncobj_fd_to_handle(fd, &args), 0); |
| 150 | igt_assert(args.handle > 0); |
| 151 | return args.handle; |
| 152 | } |
| 153 | |
| 154 | /** |
| 155 | * syncobj_import_sync_file: |
| 156 | * @fd: The DRM file descriptor |
| 157 | * @handle: Handle to the syncobt to import file into |
| 158 | * @sync_file: The sync_file fd to import state from. |
| 159 | * |
| 160 | * Import a sync_file fd into a syncobj handle. |
| 161 | */ |
| 162 | void |
| 163 | syncobj_import_sync_file(int fd, uint32_t handle, int sync_file) |
| 164 | { |
| 165 | struct drm_syncobj_handle args = { 0 }; |
| 166 | args.handle = handle; |
| 167 | args.fd = sync_file; |
| 168 | args.flags = DRM_SYNCOBJ_FD_TO_HANDLE_FLAGS_IMPORT_SYNC_FILE; |
| 169 | igt_assert_eq(__syncobj_fd_to_handle(fd, &args), 0); |
| 170 | } |
| 171 | |
| 172 | int |
| 173 | __syncobj_wait(int fd, struct local_syncobj_wait *args) |
| 174 | { |
| 175 | int err = 0; |
| 176 | if (drmIoctl(fd, LOCAL_IOCTL_SYNCOBJ_WAIT, args)) |
| 177 | err = -errno; |
| 178 | return err; |
| 179 | } |
| 180 | |
| 181 | int |
| 182 | syncobj_wait_err(int fd, uint32_t *handles, uint32_t count, |
| 183 | uint64_t abs_timeout_nsec, uint32_t flags) |
| 184 | { |
| 185 | struct local_syncobj_wait wait; |
| 186 | |
| 187 | wait.handles = to_user_pointer(handles); |
| 188 | wait.timeout_nsec = abs_timeout_nsec; |
| 189 | wait.count_handles = count; |
| 190 | wait.flags = flags; |
| 191 | wait.first_signaled = 0; |
| 192 | wait.pad = 0; |
| 193 | |
| 194 | return __syncobj_wait(fd, &wait); |
| 195 | } |
| 196 | |
| 197 | /** |
| 198 | * syncobj_wait: |
| 199 | * @fd: The DRM file descriptor |
| 200 | * @handles: List of syncobj handles to wait for. |
| 201 | * @count: Count of handles |
| 202 | * @abs_timeout_nsec: Absolute wait timeout in nanoseconds. |
| 203 | * @flags: Wait ioctl flags. |
| 204 | * @first_signaled: Returned handle for first signaled syncobj. |
| 205 | * |
| 206 | * Waits in the kernel for any/all the requested syncobjs |
| 207 | * using the timeout and flags. |
| 208 | * Returns: bool value - false = timedout, true = signaled |
| 209 | */ |
| 210 | bool |
| 211 | syncobj_wait(int fd, uint32_t *handles, uint32_t count, |
| 212 | uint64_t abs_timeout_nsec, uint32_t flags, |
| 213 | uint32_t *first_signaled) |
| 214 | { |
| 215 | struct local_syncobj_wait wait; |
| 216 | int ret; |
| 217 | |
| 218 | wait.handles = to_user_pointer(handles); |
| 219 | wait.timeout_nsec = abs_timeout_nsec; |
| 220 | wait.count_handles = count; |
| 221 | wait.flags = flags; |
| 222 | wait.first_signaled = 0; |
| 223 | wait.pad = 0; |
| 224 | |
| 225 | ret = __syncobj_wait(fd, &wait); |
Tomeu Vizoso | 2039be1 | 2019-03-21 09:16:11 +0100 | [diff] [blame] | 226 | if (ret == -ETIME) |
Jason Ekstrand | 1f09b85 | 2017-08-28 14:10:12 -0700 | [diff] [blame] | 227 | return false; |
| 228 | |
| 229 | igt_assert_eq(ret, 0); |
| 230 | if (first_signaled) |
| 231 | *first_signaled = wait.first_signaled; |
| 232 | |
| 233 | return true; |
| 234 | } |
| 235 | |
| 236 | static int |
| 237 | __syncobj_reset(int fd, uint32_t *handles, uint32_t count) |
| 238 | { |
| 239 | struct local_syncobj_array array = { 0 }; |
| 240 | int err = 0; |
| 241 | |
| 242 | array.handles = to_user_pointer(handles); |
| 243 | array.count_handles = count; |
| 244 | if (drmIoctl(fd, LOCAL_IOCTL_SYNCOBJ_RESET, &array)) |
| 245 | err = -errno; |
| 246 | return err; |
| 247 | } |
| 248 | |
| 249 | /** |
| 250 | * syncobj_reset: |
| 251 | * @fd: The DRM file descriptor. |
| 252 | * @handles: Array of syncobj handles to reset |
| 253 | * @count: Count of syncobj handles. |
| 254 | * |
| 255 | * Reset state of a set of syncobjs. |
| 256 | */ |
| 257 | void |
| 258 | syncobj_reset(int fd, uint32_t *handles, uint32_t count) |
| 259 | { |
| 260 | igt_assert_eq(__syncobj_reset(fd, handles, count), 0); |
| 261 | } |
| 262 | |
| 263 | static int |
| 264 | __syncobj_signal(int fd, uint32_t *handles, uint32_t count) |
| 265 | { |
| 266 | struct local_syncobj_array array = { 0 }; |
| 267 | int err = 0; |
| 268 | |
| 269 | array.handles = to_user_pointer(handles); |
| 270 | array.count_handles = count; |
| 271 | if (drmIoctl(fd, LOCAL_IOCTL_SYNCOBJ_SIGNAL, &array)) |
| 272 | err = -errno; |
| 273 | return err; |
| 274 | } |
| 275 | |
| 276 | /** |
| 277 | * syncobj_signal: |
| 278 | * @fd: The DRM file descriptor. |
| 279 | * @handles: Array of syncobj handles to signal |
| 280 | * @count: Count of syncobj handles. |
| 281 | * |
| 282 | * Signal a set of syncobjs. |
| 283 | */ |
| 284 | void |
| 285 | syncobj_signal(int fd, uint32_t *handles, uint32_t count) |
| 286 | { |
| 287 | igt_assert_eq(__syncobj_signal(fd, handles, count), 0); |
| 288 | } |