On Tue, Jun 20, 2017 at 11:25:01AM -0700, Michel Thierry wrote:
> Soon we will have tests that are only for platforms with reset-engine
> (GEN8+), so add a helper to query the has_gpu_reset via the getparam ioctl.
>
> Signed-off-by: Michel Thierry <michel.thierry@xxxxxxxxx>
> ---
> lib/ioctl_wrappers.c | 22 ++++++++++++++++++++++
> lib/ioctl_wrappers.h | 1 +
> 2 files changed, 23 insertions(+)
>
> diff --git a/lib/ioctl_wrappers.c b/lib/ioctl_wrappers.c
> index 0816a7b6..958b7d03 100644
> --- a/lib/ioctl_wrappers.c
> +++ b/lib/ioctl_wrappers.c
> @@ -1199,6 +1199,28 @@ bool gem_uses_full_ppgtt(int fd)
> }
>
> /**
> + * gem_gpu_reset_type:
> + * @fd: open i915 drm file descriptor
> + *
> + * Query whether reset-engine (2), global-reset (1) or reset-disable (0)
What about using an enum to save us commenting on the magic numbers
later on?
--
Cheers,
Arek
> + * is available.
> + *
> + * Returns: GPU reset type available
> + */
> +int gem_gpu_reset_type(int fd)
> +{
> + struct drm_i915_getparam gp;
> + int gpu_reset_type = -1;
> +
> + memset(&gp, 0, sizeof(gp));
> + gp.param = I915_PARAM_HAS_GPU_RESET;
> + gp.value = &gpu_reset_type;
> + drmIoctl(fd, DRM_IOCTL_I915_GETPARAM, &gp);
> +
> + return gpu_reset_type;
> +}
> +
> +/**
> * gem_available_fences:
> * @fd: open i915 drm file descriptor
> *
> diff --git a/lib/ioctl_wrappers.h b/lib/ioctl_wrappers.h
> index e1279d94..0fd4e8e4 100644
> --- a/lib/ioctl_wrappers.h
> +++ b/lib/ioctl_wrappers.h
> @@ -164,6 +164,7 @@ bool gem_has_blt(int fd);
> bool gem_has_vebox(int fd);
> bool gem_has_bsd2(int fd);
> int gem_gtt_type(int fd);
> +int gem_gpu_reset_type(int fd);
> bool gem_uses_ppgtt(int fd);
> bool gem_uses_full_ppgtt(int fd);
> int gem_available_fences(int fd);
> --
> 2.11.0
>
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