/* * Copyright © 2008 Intel Corporation * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. * * Authors: * Eric Anholt * */ #include #include #include #include #include #include #include #include #include #include "drm.h" #include "ioctl_wrappers.h" #include "drmtest.h" #define OBJECT_SIZE 16384 int fd; int handle; igt_main { struct drm_i915_gem_mmap arg; uint8_t expected[OBJECT_SIZE]; uint8_t buf[OBJECT_SIZE]; uint8_t *addr; int ret; igt_fixture fd = drm_open_any(); igt_subtest("bad-object") { memset(&arg, 0, sizeof(arg)); arg.handle = 0x10101010; arg.offset = 0; arg.size = 4096; ret = ioctl(fd, DRM_IOCTL_I915_GEM_MMAP, &arg); igt_assert(ret == -1 && errno == ENOENT); } igt_subtest("new-object") { handle = gem_create(fd, OBJECT_SIZE); arg.handle = handle; arg.offset = 0; arg.size = OBJECT_SIZE; ret = ioctl(fd, DRM_IOCTL_I915_GEM_MMAP, &arg); igt_assert(ret == 0); addr = (uint8_t *)(uintptr_t)arg.addr_ptr; igt_info("Testing contents of newly created object.\n"); memset(expected, 0, sizeof(expected)); igt_assert(memcmp(addr, expected, sizeof(expected)) == 0); igt_info("Testing coherency of writes and mmap reads.\n"); memset(buf, 0, sizeof(buf)); memset(buf + 1024, 0x01, 1024); memset(expected + 1024, 0x01, 1024); gem_write(fd, handle, 0, buf, OBJECT_SIZE); igt_assert(memcmp(buf, addr, sizeof(buf)) == 0); igt_info("Testing that mapping stays after close\n"); gem_close(fd, handle); igt_assert(memcmp(buf, addr, sizeof(buf)) == 0); igt_info("Testing unmapping\n"); munmap(addr, OBJECT_SIZE); } igt_subtest("short-mmap") { igt_assert(OBJECT_SIZE > 4096); handle = gem_create(fd, OBJECT_SIZE); addr = gem_mmap__cpu(fd, handle, 0, 4096, PROT_WRITE); memset(addr, 0, 4096); munmap(addr, 4096); gem_close(fd, handle); } igt_fixture close(fd); }