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authorDaniel Vetter <daniel.vetter@ffwll.ch>2011-12-02 20:36:06 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2011-12-02 20:36:06 +0100
commitf5854c89022991f76d813249104566d14e73801b (patch)
treed17837db594cdb3e2015c92367a653f8a7030c45 /tests/gem_exec_faulting_reloc.c
parentab3f4bdafe60dede32a48674ef9920df090bf3a7 (diff)
tests: add gem_exec_faulting_reloc
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'tests/gem_exec_faulting_reloc.c')
-rw-r--r--tests/gem_exec_faulting_reloc.c289
1 files changed, 289 insertions, 0 deletions
diff --git a/tests/gem_exec_faulting_reloc.c b/tests/gem_exec_faulting_reloc.c
new file mode 100644
index 00000000..b1ce0504
--- /dev/null
+++ b/tests/gem_exec_faulting_reloc.c
@@ -0,0 +1,289 @@
+/*
+ * 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;
+}