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90ecf062d1
The intention is to exercise #70784. Yet the first challenge is make the test suite happy.
149 lines
3.7 KiB
C
149 lines
3.7 KiB
C
/*
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* Copyright © 2013 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 <stdint.h>
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#include <stdio.h>
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#include <string.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/time.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 OBJECT_SIZE 1024*1024*4
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#define COPY_BLT_CMD (2<<29|0x53<<22|0x6)
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#define BLT_WRITE_ALPHA (1<<21)
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#define BLT_WRITE_RGB (1<<20)
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static void selfcopy(int fd, uint32_t handle)
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{
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struct drm_i915_gem_relocation_entry reloc[2];
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struct drm_i915_gem_exec_object2 gem_exec[2];
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struct drm_i915_gem_execbuffer2 execbuf;
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uint32_t buf[10];
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uint32_t batch;
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memset(reloc, 0, sizeof(reloc));
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memset(gem_exec, 0, sizeof(gem_exec));
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memset(&execbuf, 0, sizeof(execbuf));
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buf[0] = COPY_BLT_CMD | BLT_WRITE_ALPHA | BLT_WRITE_RGB;
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buf[1] = 0xcc << 16 | 1 << 25 | 1 << 24 | (4*1024);
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buf[2] = 0;
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buf[3] = 1024 << 16 | 1024;
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buf[4] = 0;
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reloc[0].offset = 4 * sizeof(uint32_t);
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reloc[0].delta = 0;
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reloc[0].target_handle = handle;
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reloc[0].read_domains = I915_GEM_DOMAIN_RENDER;
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reloc[0].write_domain = I915_GEM_DOMAIN_RENDER;
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reloc[0].presumed_offset = 0;
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buf[5] = 0;
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buf[6] = 4*1024;
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buf[7] = 0;
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reloc[1].offset = 7 * sizeof(uint32_t);
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reloc[1].delta = 0;
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reloc[1].target_handle = handle;
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reloc[1].read_domains = I915_GEM_DOMAIN_RENDER;
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reloc[1].write_domain = 0;
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reloc[1].presumed_offset = 0;
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buf[8] = MI_BATCH_BUFFER_END;
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buf[9] = 0;
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gem_exec[0].handle = handle;
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batch = gem_create(fd, 4096);
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gem_write(fd, batch, 0, buf, sizeof(buf));
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gem_exec[1].handle = batch;
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gem_exec[1].relocation_count = 2;
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gem_exec[1].relocs_ptr = (uintptr_t)reloc;
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execbuf.buffers_ptr = (uintptr_t)&gem_exec;
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execbuf.buffer_count = 2;
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execbuf.batch_len = sizeof(buf);
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if (HAS_BLT_RING(intel_get_drm_devid(fd)))
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execbuf.flags |= I915_EXEC_BLT;
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gem_execbuf(fd, &execbuf);
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}
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static int open_drm(void)
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{
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char name[80];
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sprintf(name, "/dev/dri/card%d", drm_get_card());
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return open(name, O_RDWR);
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}
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static uint32_t load(int fd)
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{
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uint32_t handle;
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handle = gem_create(fd, OBJECT_SIZE);
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if (handle == 0)
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return 0;
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selfcopy(fd, handle);
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return handle;
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}
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static void run(int child)
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{
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int fd;
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uint32_t handle;
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fd = open_drm();
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igt_assert(fd != -1);
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handle = load(fd);
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if (child & 1)
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gem_read(fd, handle, 0, &handle, sizeof(handle));
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}
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int main(int argc, char *argv[])
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{
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igt_skip_on_simulation();
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igt_subtest_init(argc, argv);
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igt_subtest("gem-close-race")
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igt_fork(child, 100)
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run(child);
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igt_waitchildren();
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igt_exit();
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}
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