Commit c344044a authored by Chris Wilson's avatar Chris Wilson

igt: Add basic exercise of vGEM

Signed-off-by: Chris Wilson's avatarChris Wilson <chris@chris-wilson.co.uk>
parent 7ce63894
......@@ -18,6 +18,8 @@ libintel_tools_la_SOURCES = \
igt_stats.h \
igt_sysfs.c \
igt_sysfs.h \
igt_vgem.c \
igt_vgem.h \
instdone.c \
instdone.h \
intel_batchbuffer.c \
......
/*
* Copyright © 2016 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.
*/
#define _GNU_SOURCE
#include "igt.h"
#include "igt_vgem.h"
#include <sys/mman.h>
int __vgem_create(int fd, struct vgem_bo *bo)
{
struct drm_mode_create_dumb arg;
memset(&arg, 0, sizeof(arg));
arg.width = bo->width;
arg.height = bo->height;
arg.bpp = bo->bpp;
if (drmIoctl(fd, DRM_IOCTL_MODE_CREATE_DUMB, &arg))
return -errno;
bo->handle = arg.handle;
bo->pitch = arg.pitch;
bo->size = arg.size;
return 0;
}
void vgem_create(int fd, struct vgem_bo *bo)
{
igt_assert_eq(__vgem_create(fd, bo), 0);
}
void *__vgem_mmap(int fd, struct vgem_bo *bo, unsigned prot)
{
struct drm_mode_map_dumb arg;
void *ptr;
memset(&arg, 0, sizeof(arg));
arg.handle = bo->handle;
if (drmIoctl(fd, DRM_IOCTL_MODE_MAP_DUMB, &arg))
return NULL;
ptr = mmap64(0, bo->size, prot, MAP_SHARED, fd, arg.offset);
if (ptr == MAP_FAILED)
return NULL;
return ptr;
}
void *vgem_mmap(int fd, struct vgem_bo *bo, unsigned prot)
{
void *ptr;
igt_assert_f((ptr = __vgem_mmap(fd, bo, prot)),
"vgem_map(fd=%d, bo->handle=%d, prot=%x)\n",
fd, bo->handle, prot);
return ptr;
}
/*
* Copyright © 2016 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.
*/
#ifndef IGT_VGEM_H
#define IGT_VGEM_H
#include <stdint.h>
struct vgem_bo {
uint32_t handle;
uint32_t width, height;
uint32_t bpp, pitch;
uint64_t size;
};
int __vgem_create(int fd, struct vgem_bo *bo);
void vgem_create(int fd, struct vgem_bo *bo);
void *__vgem_mmap(int fd, struct vgem_bo *bo, unsigned prot);
void *vgem_mmap(int fd, struct vgem_bo *bo, unsigned prot);
#endif /* IGT_VGEM_H */
......@@ -120,7 +120,9 @@ TESTS_progs_M = \
prime_mmap_coherency \
prime_mmap_kms \
prime_self_import \
prime_vgem \
template \
vgem_basic \
$(NULL)
TESTS_progs_XM = \
......@@ -216,6 +218,7 @@ TESTS_scripts = \
sysfs_l3_parity \
test_rte_check \
tools_test \
vgem_reload_basic \
$(NULL)
# This target contains testcases which support automagic subtest enumeration
......
This diff is collapsed.
/*
* Copyright © 2016 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.
*/
#include "igt.h"
#include "igt_vgem.h"
#include <sys/mman.h>
IGT_TEST_DESCRIPTION("Basic sanity check of Virtual GEM module (vGEM).");
static void test_create(int fd)
{
struct vgem_bo bo;
bo.width = 0;
bo.height = 0;
bo.bpp = 0;
igt_assert_eq(__vgem_create(fd, &bo), -EINVAL);
bo.width = 1;
bo.height = 1;
bo.bpp = 1;
vgem_create(fd, &bo);
igt_assert_eq(bo.size, 4096);
gem_close(fd, bo.handle);
bo.width = 1024;
bo.height = 1024;
bo.bpp = 8;
vgem_create(fd, &bo);
igt_assert_eq(bo.size, 1<<20);
gem_close(fd, bo.handle);
bo.width = 1<<15;
bo.height = 1<<15;
bo.bpp = 16;
vgem_create(fd, &bo);
igt_assert_eq(bo.size, 1<<31);
gem_close(fd, bo.handle);
}
static void test_mmap(int fd)
{
struct vgem_bo bo;
uint32_t *ptr;
bo.width = 1024;
bo.height = 1024;
bo.bpp = 32;
vgem_create(fd, &bo);
ptr = vgem_mmap(fd, &bo, PROT_WRITE);
gem_close(fd, bo.handle);
for (int page = 0; page < bo.size >> 12; page++)
ptr[page] = 0;
munmap(ptr, bo.size);
}
static bool has_prime_import(int fd)
{
uint64_t value;
if (drmGetCap(fd, DRM_CAP_PRIME, &value))
return false;
return value & DRM_PRIME_CAP_IMPORT;
}
static void test_dmabuf_export(int fd)
{
struct vgem_bo bo;
uint32_t handle;
int other;
int dmabuf;
other = drm_open_driver(DRIVER_ANY);
igt_require(has_prime_import(other));
bo.width = 1024;
bo.height = 1;
bo.bpp = 32;
vgem_create(fd, &bo);
dmabuf = prime_handle_to_fd(fd, bo.handle);
gem_close(fd, bo.handle);
handle = prime_fd_to_handle(other, dmabuf);
close(dmabuf);
gem_close(other, handle);
close(other);
}
static void test_dmabuf_mmap(int fd)
{
struct vgem_bo bo;
uint32_t *ptr;
int export;
bo.width = 1024;
bo.height = 1024;
bo.bpp = 32;
vgem_create(fd, &bo);
export = prime_handle_to_fd_for_mmap(fd, bo.handle);
ptr = mmap(NULL, bo.size, PROT_WRITE, MAP_SHARED, export, 0);
close(export);
igt_assert(ptr != MAP_FAILED);
for (int page = 0; page < bo.size >> 12; page++)
ptr[page] = page;
munmap(ptr, bo.size);
ptr = vgem_mmap(fd, &bo, PROT_READ);
gem_close(fd, bo.handle);
for (int page = 0; page < bo.size >> 12; page++)
igt_assert_eq(ptr[page], page);
munmap(ptr, bo.size);
}
static bool has_prime_export(int fd)
{
uint64_t value;
if (drmGetCap(fd, DRM_CAP_PRIME, &value))
return false;
return value & DRM_PRIME_CAP_EXPORT;
}
igt_main
{
int fd = -1;
igt_fixture {
fd = drm_open_driver(DRIVER_VGEM);
}
igt_subtest_f("create")
test_create(fd);
igt_subtest_f("mmap")
test_mmap(fd);
igt_subtest_group {
igt_fixture {
igt_require(has_prime_export(fd));
}
igt_subtest_f("dmabuf-export")
test_dmabuf_export(fd);
igt_subtest_f("dmabuf-mmap")
test_dmabuf_mmap(fd);
}
igt_fixture {
close(fd);
}
}
#!/bin/bash
#
# Testcase: Reload the vgem module
#
# ... we've broken this way too often :(
#
function unload() {
/sbin/rmmod vgem
# drm may be used by other devices (nouveau, radeon, udl, etc)
/sbin/rmmod drm &> /dev/null
if /sbin/lsmod | grep vgem &> /dev/null ; then
echo WARNING: vgem.ko still loaded!
return 1
fi
}
unload &> /dev/null
/sbin/modprobe vgem $* || exit 1
unload || exit 1
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