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panfrost: Sync UAPI header from kernel

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Sync the panfrost_drm.h UAPI header with the latest from the kernel.
This adds madvise ioctl and GPU feature params.

Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Rob Herring 2019-08-09 13:34:14 -06:00
parent 0f07d18e48
commit c45c2d7960
1 changed files with 61 additions and 0 deletions
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61
include/drm-uapi/panfrost_drm.h
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@ -20,6 +20,7 @@ extern "C" {
#define DRM_PANFROST_GET_BO_OFFSET 0x05
#define DRM_PANFROST_PERFCNT_ENABLE 0x06
#define DRM_PANFROST_PERFCNT_DUMP 0x07
#define DRM_PANFROST_MADVISE 0x08
#define DRM_IOCTL_PANFROST_SUBMIT DRM_IOW(DRM_COMMAND_BASE + DRM_PANFROST_SUBMIT, struct drm_panfrost_submit)
#define DRM_IOCTL_PANFROST_WAIT_BO DRM_IOW(DRM_COMMAND_BASE + DRM_PANFROST_WAIT_BO, struct drm_panfrost_wait_bo)
@ -27,6 +28,7 @@ extern "C" {
#define DRM_IOCTL_PANFROST_MMAP_BO DRM_IOWR(DRM_COMMAND_BASE + DRM_PANFROST_MMAP_BO, struct drm_panfrost_mmap_bo)
#define DRM_IOCTL_PANFROST_GET_PARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_PANFROST_GET_PARAM, struct drm_panfrost_get_param)
#define DRM_IOCTL_PANFROST_GET_BO_OFFSET DRM_IOWR(DRM_COMMAND_BASE + DRM_PANFROST_GET_BO_OFFSET, struct drm_panfrost_get_bo_offset)
#define DRM_IOCTL_PANFROST_MADVISE DRM_IOWR(DRM_COMMAND_BASE + DRM_PANFROST_MADVISE, struct drm_panfrost_madvise)
/*
* Unstable ioctl(s): only exposed when the unsafe unstable_ioctls module
@ -130,6 +132,45 @@ struct drm_panfrost_mmap_bo {
enum drm_panfrost_param {
DRM_PANFROST_PARAM_GPU_PROD_ID,
DRM_PANFROST_PARAM_GPU_REVISION,
DRM_PANFROST_PARAM_SHADER_PRESENT,
DRM_PANFROST_PARAM_TILER_PRESENT,
DRM_PANFROST_PARAM_L2_PRESENT,
DRM_PANFROST_PARAM_STACK_PRESENT,
DRM_PANFROST_PARAM_AS_PRESENT,
DRM_PANFROST_PARAM_JS_PRESENT,
DRM_PANFROST_PARAM_L2_FEATURES,
DRM_PANFROST_PARAM_CORE_FEATURES,
DRM_PANFROST_PARAM_TILER_FEATURES,
DRM_PANFROST_PARAM_MEM_FEATURES,
DRM_PANFROST_PARAM_MMU_FEATURES,
DRM_PANFROST_PARAM_THREAD_FEATURES,
DRM_PANFROST_PARAM_MAX_THREADS,
DRM_PANFROST_PARAM_THREAD_MAX_WORKGROUP_SZ,
DRM_PANFROST_PARAM_THREAD_MAX_BARRIER_SZ,
DRM_PANFROST_PARAM_COHERENCY_FEATURES,
DRM_PANFROST_PARAM_TEXTURE_FEATURES0,
DRM_PANFROST_PARAM_TEXTURE_FEATURES1,
DRM_PANFROST_PARAM_TEXTURE_FEATURES2,
DRM_PANFROST_PARAM_TEXTURE_FEATURES3,
DRM_PANFROST_PARAM_JS_FEATURES0,
DRM_PANFROST_PARAM_JS_FEATURES1,
DRM_PANFROST_PARAM_JS_FEATURES2,
DRM_PANFROST_PARAM_JS_FEATURES3,
DRM_PANFROST_PARAM_JS_FEATURES4,
DRM_PANFROST_PARAM_JS_FEATURES5,
DRM_PANFROST_PARAM_JS_FEATURES6,
DRM_PANFROST_PARAM_JS_FEATURES7,
DRM_PANFROST_PARAM_JS_FEATURES8,
DRM_PANFROST_PARAM_JS_FEATURES9,
DRM_PANFROST_PARAM_JS_FEATURES10,
DRM_PANFROST_PARAM_JS_FEATURES11,
DRM_PANFROST_PARAM_JS_FEATURES12,
DRM_PANFROST_PARAM_JS_FEATURES13,
DRM_PANFROST_PARAM_JS_FEATURES14,
DRM_PANFROST_PARAM_JS_FEATURES15,
DRM_PANFROST_PARAM_NR_CORE_GROUPS,
DRM_PANFROST_PARAM_THREAD_TLS_ALLOC,
};
struct drm_panfrost_get_param {
@ -162,6 +203,26 @@ struct drm_panfrost_perfcnt_dump {
__u64 buf_ptr;
};
/* madvise provides a way to tell the kernel in case a buffers contents
* can be discarded under memory pressure, which is useful for userspace
* bo cache where we want to optimistically hold on to buffer allocate
* and potential mmap, but allow the pages to be discarded under memory
* pressure.
*
* Typical usage would involve madvise(DONTNEED) when buffer enters BO
* cache, and madvise(WILLNEED) if trying to recycle buffer from BO cache.
* In the WILLNEED case, 'retained' indicates to userspace whether the
* backing pages still exist.
*/
#define PANFROST_MADV_WILLNEED 0 /* backing pages are needed, status returned in 'retained' */
#define PANFROST_MADV_DONTNEED 1 /* backing pages not needed */
struct drm_panfrost_madvise {
__u32 handle; /* in, GEM handle */
__u32 madv; /* in, PANFROST_MADV_x */
__u32 retained; /* out, whether backing store still exists */
};
#if defined(__cplusplus)
}
#endif