Commit 90ecf062 authored by Chris Wilson's avatar Chris Wilson 😣

tests: Add gem_close_race

The intention is to exercise #70784. Yet the first challenge is make the
test suite happy.
parent 37c02cfa
......@@ -12,6 +12,7 @@ gem_bad_blit
gem_bad_length
gem_basic
gem_caching
gem_close_race
gem_concurrent_blit
gem_cpu_reloc
gem_cs_prefetch
......
......@@ -68,6 +68,7 @@ TESTS_progs = \
drm_vma_limiter_cpu \
drm_vma_limiter_gtt \
gem_bad_length \
gem_close_race \
gem_cpu_reloc \
gem_cs_prefetch \
gem_ctx_bad_destroy \
......
/*
* Copyright © 2013 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:
* Chris Wilson <chris@chris-wilson.co.uk>
*
*/
#include <unistd.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <fcntl.h>
#include <inttypes.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/time.h>
#include "drm.h"
#include "i915_drm.h"
#include "drmtest.h"
#define OBJECT_SIZE 1024*1024*4
#define COPY_BLT_CMD (2<<29|0x53<<22|0x6)
#define BLT_WRITE_ALPHA (1<<21)
#define BLT_WRITE_RGB (1<<20)
static void selfcopy(int fd, uint32_t handle)
{
struct drm_i915_gem_relocation_entry reloc[2];
struct drm_i915_gem_exec_object2 gem_exec[2];
struct drm_i915_gem_execbuffer2 execbuf;
uint32_t buf[10];
uint32_t batch;
memset(reloc, 0, sizeof(reloc));
memset(gem_exec, 0, sizeof(gem_exec));
memset(&execbuf, 0, sizeof(execbuf));
buf[0] = COPY_BLT_CMD | BLT_WRITE_ALPHA | BLT_WRITE_RGB;
buf[1] = 0xcc << 16 | 1 << 25 | 1 << 24 | (4*1024);
buf[2] = 0;
buf[3] = 1024 << 16 | 1024;
buf[4] = 0;
reloc[0].offset = 4 * sizeof(uint32_t);
reloc[0].delta = 0;
reloc[0].target_handle = handle;
reloc[0].read_domains = I915_GEM_DOMAIN_RENDER;
reloc[0].write_domain = I915_GEM_DOMAIN_RENDER;
reloc[0].presumed_offset = 0;
buf[5] = 0;
buf[6] = 4*1024;
buf[7] = 0;
reloc[1].offset = 7 * sizeof(uint32_t);
reloc[1].delta = 0;
reloc[1].target_handle = handle;
reloc[1].read_domains = I915_GEM_DOMAIN_RENDER;
reloc[1].write_domain = 0;
reloc[1].presumed_offset = 0;
buf[8] = MI_BATCH_BUFFER_END;
buf[9] = 0;
gem_exec[0].handle = handle;
batch = gem_create(fd, 4096);
gem_write(fd, batch, 0, buf, sizeof(buf));
gem_exec[1].handle = batch;
gem_exec[1].relocation_count = 2;
gem_exec[1].relocs_ptr = (uintptr_t)reloc;
execbuf.buffers_ptr = (uintptr_t)&gem_exec;
execbuf.buffer_count = 2;
execbuf.batch_len = sizeof(buf);
if (HAS_BLT_RING(intel_get_drm_devid(fd)))
execbuf.flags |= I915_EXEC_BLT;
gem_execbuf(fd, &execbuf);
}
static int open_drm(void)
{
char name[80];
sprintf(name, "/dev/dri/card%d", drm_get_card());
return open(name, O_RDWR);
}
static uint32_t load(int fd)
{
uint32_t handle;
handle = gem_create(fd, OBJECT_SIZE);
if (handle == 0)
return 0;
selfcopy(fd, handle);
return handle;
}
static void run(int child)
{
int fd;
uint32_t handle;
fd = open_drm();
igt_assert(fd != -1);
handle = load(fd);
if (child & 1)
gem_read(fd, handle, 0, &handle, sizeof(handle));
}
int main(int argc, char *argv[])
{
igt_skip_on_simulation();
igt_subtest_init(argc, argv);
igt_subtest("gem-close-race")
igt_fork(child, 100)
run(child);
igt_waitchildren();
igt_exit();
}
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