tests/gem_lut_handle: Expand negative testing
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>
diff --git a/tests/gem_lut_handle.c b/tests/gem_lut_handle.c
index bc4c806..6b58538 100644
--- a/tests/gem_lut_handle.c
+++ b/tests/gem_lut_handle.c
@@ -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 @@
&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;
}