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tests/gem_lut_handle: Expand negative testing

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Pass in lots of execs and relocs trying to trick the kernel into making
a mistake.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2013-01-17 15:05:20 +00:00
parent 230d77f1d0
commit d5517a1301
1 changed files with 132 additions and 5 deletions
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137
tests/gem_lut_handle.c
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@ -1,5 +1,5 @@
/*
* Copyright © 2012 Intel Corporation
* Copyright © 2012,2013 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@ -45,6 +45,7 @@
#define LOCAL_I915_EXEC_HANDLE_LUT (1<<12)
#define NORMAL 0
#define USE_LUT 0x1
#define BROKEN 0x2
@ -88,22 +89,148 @@ static int exec(int fd, uint32_t handle, unsigned int flags)
&execbuf);
}
static int many_exec(int fd, uint32_t batch, int num_exec, int num_reloc, unsigned flags)
{
struct drm_i915_gem_execbuffer2 execbuf;
struct drm_i915_gem_exec_object2 *gem_exec;
struct drm_i915_gem_relocation_entry *gem_reloc;
unsigned min_handle = 0, max_handle = ~0;
int ret, n;
gem_exec = calloc(num_exec+1, sizeof(*gem_exec));
gem_reloc = calloc(num_reloc, sizeof(*gem_reloc));
assert(gem_exec && gem_reloc);
for (n = 0; n < num_exec; n++) {
gem_exec[n].handle = gem_create(fd, 4096);
if (gem_exec[n].handle < min_handle)
min_handle = gem_exec[n].handle;
if (gem_exec[n].handle > max_handle)
max_handle = gem_exec[n].handle;
gem_exec[n].relocation_count = 0;
gem_exec[n].relocs_ptr = 0;
gem_exec[n].alignment = 0;
gem_exec[n].offset = 0;
gem_exec[n].flags = 0;
gem_exec[n].rsvd1 = 0;
gem_exec[n].rsvd2 = 0;
}
gem_exec[n].handle = batch;
gem_exec[n].relocation_count = num_reloc;
gem_exec[n].relocs_ptr = (uintptr_t) gem_reloc;
if (flags & USE_LUT) {
min_handle = 0;
max_handle = num_exec + 1;
}
for (n = 0; n < num_reloc; n++) {
unsigned target;
if (flags & BROKEN) {
target = rand();
if (target <= max_handle && target >= min_handle)
target = target & 1 ? min_handle - target : max_handle + target;
} else {
target = rand() % (num_exec + 1);
if ((flags & USE_LUT) == 0)
target = gem_exec[target].handle;
}
gem_reloc[n].offset = 1024;
gem_reloc[n].delta = 0;
gem_reloc[n].target_handle = target;
gem_reloc[n].read_domains = I915_GEM_DOMAIN_RENDER;
gem_reloc[n].write_domain = 0;
gem_reloc[n].presumed_offset = 0;
}
execbuf.buffers_ptr = (uintptr_t)gem_exec;
execbuf.buffer_count = num_exec + 1;
execbuf.batch_start_offset = 0;
execbuf.batch_len = 8;
execbuf.cliprects_ptr = 0;
execbuf.num_cliprects = 0;
execbuf.DR1 = 0;
execbuf.DR4 = 0;
execbuf.flags = flags & USE_LUT ? LOCAL_I915_EXEC_HANDLE_LUT : 0;
i915_execbuffer2_set_context_id(execbuf, 0);
execbuf.rsvd2 = 0;
ret = drmIoctl(fd,
DRM_IOCTL_I915_GEM_EXECBUFFER2,
&execbuf);
for (n = 0; n < num_exec; n++)
gem_close(fd, gem_exec[n].handle);
free(gem_exec);
free(gem_reloc);
return ret;
}
#define fail(x) assert(x == -1 && errno == ENOENT)
int main(int argc, char **argv)
{
uint32_t batch[2] = {MI_BATCH_BUFFER_END};
uint32_t handle;
int fd;
int fd, i;
fd = drm_open_any();
handle = gem_create(fd, 4096);
gem_write(fd, handle, 0, batch, sizeof(batch));
do_or_die(exec(fd, handle, 0));
do_or_die(exec(fd, handle, NORMAL));
do_or_die(exec(fd, handle, USE_LUT));
assert(exec(fd, handle, BROKEN) == -1 && errno == ENOENT);
assert(exec(fd, handle, USE_LUT | BROKEN) == -1 && errno == ENOENT);
fail(exec(fd, handle, BROKEN));
fail(exec(fd, handle, USE_LUT | BROKEN));
for (i = 2; i <= 65536; i *= 2) {
do_or_die(many_exec(fd, handle, i-1, i-1, NORMAL));
do_or_die(many_exec(fd, handle, i-1, i, NORMAL));
do_or_die(many_exec(fd, handle, i-1, i+1, NORMAL));
do_or_die(many_exec(fd, handle, i, i-1, NORMAL));
do_or_die(many_exec(fd, handle, i, i, NORMAL));
do_or_die(many_exec(fd, handle, i, i+1, NORMAL));
do_or_die(many_exec(fd, handle, i+1, i-1, NORMAL));
do_or_die(many_exec(fd, handle, i+1, i, NORMAL));
do_or_die(many_exec(fd, handle, i+1, i+1, NORMAL));
fail(many_exec(fd, handle, i-1, i-1, NORMAL | BROKEN));
fail(many_exec(fd, handle, i-1, i, NORMAL | BROKEN));
fail(many_exec(fd, handle, i-1, i+1, NORMAL | BROKEN));
fail(many_exec(fd, handle, i, i-1, NORMAL | BROKEN));
fail(many_exec(fd, handle, i, i, NORMAL | BROKEN));
fail(many_exec(fd, handle, i, i+1, NORMAL | BROKEN));
fail(many_exec(fd, handle, i+1, i-1, NORMAL | BROKEN));
fail(many_exec(fd, handle, i+1, i, NORMAL | BROKEN));
fail(many_exec(fd, handle, i+1, i+1, NORMAL | BROKEN));
do_or_die(many_exec(fd, handle, i-1, i-1, USE_LUT));
do_or_die(many_exec(fd, handle, i-1, i, USE_LUT));
do_or_die(many_exec(fd, handle, i-1, i+1, USE_LUT));
do_or_die(many_exec(fd, handle, i, i-1, USE_LUT));
do_or_die(many_exec(fd, handle, i, i, USE_LUT));
do_or_die(many_exec(fd, handle, i, i+1, USE_LUT));
do_or_die(many_exec(fd, handle, i+1, i-1, USE_LUT));
do_or_die(many_exec(fd, handle, i+1, i, USE_LUT));
do_or_die(many_exec(fd, handle, i+1, i+1, USE_LUT));
fail(many_exec(fd, handle, i-1, i-1, USE_LUT | BROKEN));
fail(many_exec(fd, handle, i-1, i, USE_LUT | BROKEN));
fail(many_exec(fd, handle, i-1, i+1, USE_LUT | BROKEN));
fail(many_exec(fd, handle, i, i-1, USE_LUT | BROKEN));
fail(many_exec(fd, handle, i, i, USE_LUT | BROKEN));
fail(many_exec(fd, handle, i, i+1, USE_LUT | BROKEN));
fail(many_exec(fd, handle, i+1, i-1, USE_LUT | BROKEN));
fail(many_exec(fd, handle, i+1, i, USE_LUT | BROKEN));
fail(many_exec(fd, handle, i+1, i+1, USE_LUT | BROKEN));
}
return 0;
}