Hi Chris,
> +static int create_ext_ioctl(int i915,
> + struct drm_i915_gem_context_create_ext *arg)
> +{
> + int err;
> +
> + err = 0;
> + if (igt_ioctl(i915, DRM_IOCTL_I915_GEM_CONTEXT_CREATE_EXT, arg)) {
> + err = -errno;
> + igt_assume(err);
> + }
> +
> + errno = 0;
> + return err;
> +}
> +
> /**
> * gem_has_contexts:
> * @fd: open i915 drm file descriptor
> @@ -324,17 +339,14 @@ __gem_context_clone(int i915,
> .flags = flags | I915_CONTEXT_CREATE_FLAGS_USE_EXTENSIONS,
> .extensions = to_user_pointer(&clone),
> };
> - int err = 0;
> + int err;
>
> - if (igt_ioctl(i915, DRM_IOCTL_I915_GEM_CONTEXT_CREATE_EXT, &arg)) {
> - err = -errno;
> - igt_assume(err);
> - }
> + err = create_ext_ioctl(i915, &arg);
> + if (err)
> + return err;
>
> *out = arg.ctx_id;
> -
> - errno = 0;
> - return err;
> + return 0;
> }
>
> static bool __gem_context_has(int i915, uint32_t share, unsigned int flags)
> @@ -382,16 +394,8 @@ bool gem_has_context_clone(int i915)
> .flags = I915_CONTEXT_CREATE_FLAGS_USE_EXTENSIONS,
> .extensions = to_user_pointer(&ext),
> };
> - int err;
> -
> - err = 0;
> - if (igt_ioctl(i915, DRM_IOCTL_I915_GEM_CONTEXT_CREATE_EXT, &create)) {
> - err = -errno;
> - igt_assume(err);
> - }
> - errno = 0;
>
> - return err == -ENOENT;
> + return create_ext_ioctl(i915, &create) == -ENOENT;
> }
I'd like to see the above in a separate patch.
> +void dyn_sysfs_engines(int i915, int engines, const char *file,
> + void (*test)(int, int))
> +{
> + char buf[512];
> + int len;
> +
> + lseek(engines, 0, SEEK_SET);
> + while ((len = syscall(SYS_getdents64, engines, buf, sizeof(buf))) > 0) {
> + void *ptr = buf;
> +
> + while (len) {
> + struct linux_dirent64 {
> + ino64_t d_ino;
> + off64_t d_off;
> + unsigned short d_reclen;
> + unsigned char d_type;
> + char d_name[];
> + } *de = ptr;
what is the need for having your own linux_dirent64?
All the rest look good.
Andi
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