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igt/gem_exec_store: The simplest batch that does something!

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A very simple, the simplest!, batch that can execution on any known
engine that just writes a value into memory.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2016-03-09 11:35:50 +00:00
parent 93824f0cd0
commit c684065be0
2 changed files with 106 additions and 0 deletions
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1
tests/Makefile.sources
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@ -38,6 +38,7 @@ TESTS_progs_M = \
gem_exec_nop \
gem_exec_params \
gem_exec_parse \
gem_exec_store \
gem_exec_suspend \
gem_exec_reloc \
gem_fenced_exec_thrash \

105
tests/gem_exec_store.c Normal file
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@ -0,0 +1,105 @@
/*
* Copyright © 2009 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.
*
*/
/** @file gem_exec_store.c
*
* Simplest non-NOOP only batch with verification.
*/
#include "igt.h"
#include "igt_gt.h"
static void store_dword(int fd, unsigned ring)
{
const int gen = intel_gen(intel_get_drm_devid(fd));
struct drm_i915_gem_exec_object2 obj[2];
struct drm_i915_gem_relocation_entry reloc;
struct drm_i915_gem_execbuffer2 execbuf;
uint32_t batch[16];
int i;
gem_require_ring(fd, ring);
igt_skip_on_f(gen == 6 && (ring & ~(3<<13)) == I915_EXEC_BSD,
"MI_STORE_DATA broken on gen6 bsd\n");
memset(&execbuf, 0, sizeof(execbuf));
execbuf.buffers_ptr = (uintptr_t)obj;
execbuf.buffer_count = 2;
execbuf.flags = ring;
if (gen < 6)
execbuf.flags |= I915_EXEC_SECURE;
memset(obj, 0, sizeof(obj));
obj[0].handle = gem_create(fd, 4096);
obj[1].handle = gem_create(fd, 4096);
memset(&reloc, 0, sizeof(reloc));
reloc.target_handle = obj[0].handle;
reloc.presumed_offset = 0;
reloc.offset = sizeof(uint32_t);
reloc.delta = 0;
reloc.read_domains = I915_GEM_DOMAIN_INSTRUCTION;
reloc.write_domain = I915_GEM_DOMAIN_INSTRUCTION;
obj[1].relocs_ptr = (uintptr_t)&reloc;
obj[1].relocation_count = 1;
i = 0;
batch[i] = MI_STORE_DWORD_IMM | (gen < 6 ? 1 << 22 : 0);
if (gen >= 8) {
batch[++i] = 0;
batch[++i] = 0;
} else if (gen >= 4) {
batch[++i] = 0;
batch[++i] = 0;
reloc.offset += sizeof(uint32_t);
} else {
batch[i]--;
batch[++i] = 0;
}
batch[++i] = 0xc0ffee;
batch[++i] = MI_BATCH_BUFFER_END;
gem_write(fd, obj[1].handle, 0, batch, sizeof(batch));
gem_execbuf(fd, &execbuf);
gem_close(fd, obj[1].handle);
gem_read(fd, obj[0].handle, 0, batch, sizeof(batch));
gem_close(fd, obj[0].handle);
igt_assert_eq(*batch, 0xc0ffee);
}
igt_main
{
const struct intel_execution_engine *e;
int fd;
igt_fixture
fd = drm_open_driver_master(DRIVER_INTEL);
for (e = intel_execution_engines; e->name; e++)
igt_subtest_f("basic-%s", e->name)
store_dword(fd, e->exec_id | e->flags);
igt_fixture
close(fd);
}