Commit f5854c89 authored by Daniel Vetter's avatar Daniel Vetter

tests: add gem_exec_faulting_reloc

Signed-off-by: Daniel Vetter's avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent ab3f4bda
......@@ -41,6 +41,7 @@ tests/gem_dummy_reloc_loop
tests/gem_exec_blt
tests/gem_exec_nop
tests/gem_exec_bad_domains
tests/gem_exec_faulting_reloc
tests/gem_fence_thrash
tests/gem_fenced_exec_thrash
tests/gem_flink
......
......@@ -21,6 +21,7 @@ TESTS_progs = \
gem_exec_nop \
gem_exec_blt \
gem_exec_bad_domains \
gem_exec_faulting_reloc \
gem_flink \
gem_readwrite \
gem_ringfill \
......
/*
* Copyright © 2011 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:
* Daniel Vetter <daniel.vetter@ffwll.ch>
*
*/
#include <unistd.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <fcntl.h>
#include <inttypes.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/time.h>
#include "drm.h"
#include "i915_drm.h"
#include "drmtest.h"
#include "intel_chipset.h"
#include "intel_gpu_tools.h"
/* Testcase: Submit patches with relocations in memory that will fault
*
* To be really evil, use a gtt mmap for them.
*/
#define OBJECT_SIZE 16384
#define COPY_BLT_CMD (2<<29|0x53<<22|0x6)
#define BLT_WRITE_ALPHA (1<<21)
#define BLT_WRITE_RGB (1<<20)
#define BLT_SRC_TILED (1<<15)
#define BLT_DST_TILED (1<<11)
static void *
mmap_bo(int fd, uint32_t handle)
{
struct drm_i915_gem_mmap_gtt arg;
void *ptr;
int ret;
memset(&arg, 0, sizeof(arg));
arg.handle = handle;
ret = ioctl(fd, DRM_IOCTL_I915_GEM_MMAP_GTT, &arg);
assert(ret == 0);
ptr = mmap(0, 4096, PROT_READ | PROT_WRITE,
MAP_SHARED, fd, arg.offset);
assert(ptr != MAP_FAILED);
return ptr;
}
static uint32_t gem_create(int fd, int size)
{
struct drm_i915_gem_create create;
create.handle = 0;
create.size = (size + 4095) & -4096;
(void)drmIoctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create);
return create.handle;
}
static int gem_write(int fd,
uint32_t handle, uint32_t offset,
const void *src, int length)
{
struct drm_i915_gem_pwrite pwrite;
pwrite.handle = handle;
pwrite.offset = offset;
pwrite.size = length;
pwrite.data_ptr = (uintptr_t)src;
return drmIoctl(fd, DRM_IOCTL_I915_GEM_PWRITE, &pwrite);
}
static int gem_linear_blt(uint32_t *batch,
uint32_t src,
uint32_t dst,
uint32_t length,
struct drm_i915_gem_relocation_entry *reloc)
{
uint32_t *b = batch;
int height = length / (16 * 1024);
assert(height <= 1<<16);
if (height) {
b[0] = COPY_BLT_CMD | BLT_WRITE_ALPHA | BLT_WRITE_RGB;
b[1] = 0xcc << 16 | 1 << 25 | 1 << 24 | (16*1024);
b[2] = 0;
b[3] = height << 16 | (4*1024);
b[4] = 0;
reloc->offset = (b-batch+4) * sizeof(uint32_t);
reloc->delta = 0;
reloc->target_handle = dst;
reloc->read_domains = I915_GEM_DOMAIN_RENDER;
reloc->write_domain = I915_GEM_DOMAIN_RENDER;
reloc->presumed_offset = 0;
reloc++;
b[5] = 0;
b[6] = 16*1024;
b[7] = 0;
reloc->offset = (b-batch+7) * sizeof(uint32_t);
reloc->delta = 0;
reloc->target_handle = src;
reloc->read_domains = I915_GEM_DOMAIN_RENDER;
reloc->write_domain = 0;
reloc->presumed_offset = 0;
reloc++;
b += 8;
length -= height * 16*1024;
}
if (length) {
b[0] = COPY_BLT_CMD | BLT_WRITE_ALPHA | BLT_WRITE_RGB;
b[1] = 0xcc << 16 | 1 << 25 | 1 << 24 | (16*1024);
b[2] = height << 16;
b[3] = (1+height) << 16 | (length / 4);
b[4] = 0;
reloc->offset = (b-batch+4) * sizeof(uint32_t);
reloc->delta = 0;
reloc->target_handle = dst;
reloc->read_domains = I915_GEM_DOMAIN_RENDER;
reloc->write_domain = I915_GEM_DOMAIN_RENDER;
reloc->presumed_offset = 0;
reloc++;
b[5] = height << 16;
b[6] = 16*1024;
b[7] = 0;
reloc->offset = (b-batch+7) * sizeof(uint32_t);
reloc->delta = 0;
reloc->target_handle = src;
reloc->read_domains = I915_GEM_DOMAIN_RENDER;
reloc->write_domain = 0;
reloc->presumed_offset = 0;
reloc++;
b += 8;
}
b[0] = MI_BATCH_BUFFER_END;
b[1] = 0;
return (b+2 - batch) * sizeof(uint32_t);
}
static void gem_close(int fd, uint32_t handle)
{
struct drm_gem_close close;
close.handle = handle;
(void)drmIoctl(fd, DRM_IOCTL_GEM_CLOSE, &close);
}
static void gem_sync(int fd, uint32_t handle)
{
struct drm_i915_gem_set_domain set_domain;
set_domain.handle = handle;
set_domain.read_domains = I915_GEM_DOMAIN_GTT;
set_domain.write_domain = I915_GEM_DOMAIN_GTT;
drmIoctl(fd, DRM_IOCTL_I915_GEM_SET_DOMAIN, &set_domain);
}
static void gem_exec(int fd, struct drm_i915_gem_execbuffer2 *execbuf)
{
int ret;
ret = drmIoctl(fd,
DRM_IOCTL_I915_GEM_EXECBUFFER2,
execbuf);
assert(ret == 0);
}
static void run(int object_size)
{
struct drm_i915_gem_execbuffer2 execbuf;
struct drm_i915_gem_exec_object2 exec[3];
struct drm_i915_gem_relocation_entry reloc[4];
uint32_t buf[20];
uint32_t handle, handle_relocs, src, dst;
void *gtt_relocs;
int fd, len;
int ring, ret;
fd = drm_open_any();
handle = gem_create(fd, 4096);
src = gem_create(fd, object_size);
dst = gem_create(fd, object_size);
len = gem_linear_blt(buf, src, dst, object_size, reloc);
gem_write(fd, handle, 0, buf, len);
exec[0].handle = src;
exec[0].relocation_count = 0;
exec[0].relocs_ptr = 0;
exec[0].alignment = 0;
exec[0].offset = 0;
exec[0].flags = 0;
exec[0].rsvd1 = 0;
exec[0].rsvd2 = 0;
exec[1].handle = dst;
exec[1].relocation_count = 0;
exec[1].relocs_ptr = 0;
exec[1].alignment = 0;
exec[1].offset = 0;
exec[1].flags = 0;
exec[1].rsvd1 = 0;
exec[1].rsvd2 = 0;
handle_relocs = gem_create(fd, 4096);
ret = gem_write(fd, handle_relocs, 0, reloc, sizeof(reloc));
assert(ret == 0);
gtt_relocs = mmap_bo(fd, handle_relocs);
assert(gtt_relocs);
exec[2].handle = handle;
exec[2].relocation_count = len > 40 ? 4 : 2;
/* A newly mmap gtt bo will fault on first access. */
exec[2].relocs_ptr = (uintptr_t)gtt_relocs;
exec[2].alignment = 0;
exec[2].offset = 0;
exec[2].flags = 0;
exec[2].rsvd1 = 0;
exec[2].rsvd2 = 0;
ring = 0;
if (HAS_BLT_RING(intel_get_drm_devid(fd)))
ring = I915_EXEC_BLT;
execbuf.buffers_ptr = (uintptr_t)exec;
execbuf.buffer_count = 3;
execbuf.batch_start_offset = 0;
execbuf.batch_len = len;
execbuf.cliprects_ptr = 0;
execbuf.num_cliprects = 0;
execbuf.DR1 = 0;
execbuf.DR4 = 0;
execbuf.flags = ring;
execbuf.rsvd1 = 0;
execbuf.rsvd2 = 0;
gem_exec(fd, &execbuf);
gem_sync(fd, handle);
gem_close(fd, handle);
close(fd);
}
int main(int argc, char **argv)
{
run(OBJECT_SIZE);
return 0;
}
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