mirror of
https://github.com/tiagovignatti/intel-gpu-tools.git
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137 lines
3.4 KiB
C
137 lines
3.4 KiB
C
/*
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* Copyright © 2011 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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* Authors:
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* Chris Wilson <chris@chris-wilson.co.uk>
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*
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*/
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include <fcntl.h>
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#include <inttypes.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <sys/mman.h>
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#include "drm.h"
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#include "i915_drm.h"
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#include "drmtest.h"
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#define MI_BATCH_BUFFER_END (0xA<<23)
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/*
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* Testcase: Minmal bo_create and batchbuffer exec
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*
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* Originally this caught an kernel oops due to the unchecked assumption that
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* objects have size > 0.
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*/
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static uint32_t do_gem_create(int fd, int size, int *retval)
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{
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struct drm_i915_gem_create create;
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int ret;
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create.handle = 0;
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create.size = (size + 4095) & -4096;
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ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create);
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assert(retval || ret == 0);
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if (retval)
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*retval = errno;
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return create.handle;
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}
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#if 0
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static int gem_exec(int fd, struct drm_i915_gem_execbuffer2 *execbuf)
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{
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return drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, execbuf);
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}
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#endif
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static void create0(int fd)
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{
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int retval = 0;
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printf("trying to create a zero-length gem object\n");
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do_gem_create(fd, 0, &retval);
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assert(retval == EINVAL);
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}
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#if 0
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static void exec0(int fd)
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{
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struct drm_i915_gem_execbuffer2 execbuf;
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struct drm_i915_gem_exec_object2 exec[1];
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uint32_t buf[2] = { MI_BATCH_BUFFER_END, 0 };
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/* Just try executing with a zero-length bo.
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* We expect the kernel to either accept the nop batch, or reject it
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* for the zero-length buffer, but never crash.
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*/
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exec[0].handle = gem_create(fd, 4096);
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gem_write(fd, exec[0].handle, 0, buf, sizeof(buf));
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exec[0].relocation_count = 0;
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exec[0].relocs_ptr = 0;
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exec[0].alignment = 0;
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exec[0].offset = 0;
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exec[0].flags = 0;
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exec[0].rsvd1 = 0;
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exec[0].rsvd2 = 0;
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execbuf.buffers_ptr = (uintptr_t)exec;
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execbuf.buffer_count = 1;
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execbuf.batch_start_offset = 0;
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execbuf.batch_len = sizeof(buf);
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execbuf.cliprects_ptr = 0;
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execbuf.num_cliprects = 0;
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execbuf.DR1 = 0;
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execbuf.DR4 = 0;
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execbuf.flags = 0;
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i915_execbuffer2_set_context_id(execbuf, 0);
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execbuf.rsvd2 = 0;
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printf("trying to run an empty batchbuffer\n");
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gem_exec(fd, &execbuf);
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gem_close(fd, exec[0].handle);
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}
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#endif
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int main(int argc, char **argv)
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{
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int fd;
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fd = drm_open_any();
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create0(fd);
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//exec0(fd);
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close(fd);
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return 0;
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}
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