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authorRob Herring <[email protected]>2019-08-09 13:34:14 -0600
committerRob Herring <[email protected]>2019-08-19 19:33:20 -0500
commitc45c2d79605b27022975ff1635f9df8f5d01806a (patch)
treec10429690523806c77f60428ffdd4e5198e53f39 /include
parent0f07d18e486c56afa88e512136cf47e44a57ef92 (diff)
panfrost: Sync UAPI header from kernel
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 <[email protected]> Reviewed-by: Tomeu Vizoso <[email protected]> Signed-off-by: Rob Herring <[email protected]>
Diffstat (limited to 'include')
-rw-r--r--include/drm-uapi/panfrost_drm.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/include/drm-uapi/panfrost_drm.h b/include/drm-uapi/panfrost_drm.h
index 9150dd75aad..ec19db1eead 100644
--- a/include/drm-uapi/panfrost_drm.h
+++ b/include/drm-uapi/panfrost_drm.h
@@ -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