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SubjectRe: [PATCH 25/44] tools headers UAPI: Sync drm/drm.h with the kernel
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On 27/05/2019 23:37, Arnaldo Carvalho de Melo wrote:
> From: Arnaldo Carvalho de Melo <acme@redhat.com>
>
> To pick up the changes in these csets:
>
> 060cebb20cdb ("drm: introduce a capability flag for syncobj timeline support")
> 50d1ebef79ef ("drm/syncobj: add timeline signal ioctl for syncobj v5")
> ea569910cbab ("drm/syncobj: add transition iotcls between binary and timeline v2")
> 27b575a9aa2f ("drm/syncobj: add timeline payload query ioctl v6")
> 01d6c3578379 ("drm/syncobj: add support for timeline point wait v8")
> 783195ec1cad ("drm/syncobj: disable the timeline UAPI for now v2")
> 48197bc564c7 ("drm: add syncobj timeline support v9")
>
> Which automagically results in the following new ioctls being recognized
> by the 'perf trace' ioctl cmd arg beautifier:
>
> $ tools/perf/trace/beauty/drm_ioctl.sh > /tmp/before
> $ cp include/uapi/drm/drm.h tools/include/uapi/drm/drm.h
> $ tools/perf/trace/beauty/drm_ioctl.sh > /tmp/after
> $ diff -u /tmp/before /tmp/after
> --- /tmp/before 2019-05-22 10:25:31.443151182 -0300
> +++ /tmp/after 2019-05-22 10:25:46.449354819 -0300
> @@ -103,6 +103,10 @@
> [0xC7] = "MODE_LIST_LESSEES",
> [0xC8] = "MODE_GET_LEASE",
> [0xC9] = "MODE_REVOKE_LEASE",
> + [0xCA] = "SYNCOBJ_TIMELINE_WAIT",
> + [0xCB] = "SYNCOBJ_QUERY",
> + [0xCC] = "SYNCOBJ_TRANSFER",
> + [0xCD] = "SYNCOBJ_TIMELINE_SIGNAL",
> [DRM_COMMAND_BASE + 0x00] = "I915_INIT",
> [DRM_COMMAND_BASE + 0x01] = "I915_FLUSH",
> [DRM_COMMAND_BASE + 0x02] = "I915_FLIP",
> $
>
> I.e. the strace like raw_tracepoint:sys_enter handler in 'perf trace'
> will get the cmd integer value and map it to the string.
>
> At some point it should be possible to translate from string to integer
> and use to filter using expressions such as:
>
> # perf trace -e ioctl/cmd==DRM_IOCTL_SYNCOBJ*/
>
> Or some more suitable syntax to express that only these ioctls when
> acting on DRM fds should be shown.
>
> Cc: Adrian Hunter <adrian.hunter@intel.com>
> Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
> Cc: Christian König <christian.koenig@amd.com>
> Cc: Chunming Zhou <david1.zhou@amd.com>
> Cc: Dave Airlie <airlied@redhat.com>
> Cc: Jiri Olsa <jolsa@kernel.org>
> Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
> Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com>
> Cc: Namhyung Kim <namhyung@kernel.org>
> Link: https://lkml.kernel.org/n/tip-jrc9ogw33w4zgqc3pu7o1l3g@git.kernel.org
> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>


Acked-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>


> ---
> tools/include/uapi/drm/drm.h | 37 ++++++++++++++++++++++++++++++++++++
> 1 file changed, 37 insertions(+)
>
> diff --git a/tools/include/uapi/drm/drm.h b/tools/include/uapi/drm/drm.h
> index 300f336633f2..661d73f9a919 100644
> --- a/tools/include/uapi/drm/drm.h
> +++ b/tools/include/uapi/drm/drm.h
> @@ -649,6 +649,7 @@ struct drm_gem_open {
> #define DRM_CAP_PAGE_FLIP_TARGET 0x11
> #define DRM_CAP_CRTC_IN_VBLANK_EVENT 0x12
> #define DRM_CAP_SYNCOBJ 0x13
> +#define DRM_CAP_SYNCOBJ_TIMELINE 0x14
>
> /** DRM_IOCTL_GET_CAP ioctl argument type */
> struct drm_get_cap {
> @@ -735,8 +736,18 @@ struct drm_syncobj_handle {
> __u32 pad;
> };
>
> +struct drm_syncobj_transfer {
> + __u32 src_handle;
> + __u32 dst_handle;
> + __u64 src_point;
> + __u64 dst_point;
> + __u32 flags;
> + __u32 pad;
> +};
> +
> #define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_ALL (1 << 0)
> #define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT (1 << 1)
> +#define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE (1 << 2) /* wait for time point to become available */
> struct drm_syncobj_wait {
> __u64 handles;
> /* absolute timeout */
> @@ -747,12 +758,33 @@ struct drm_syncobj_wait {
> __u32 pad;
> };
>
> +struct drm_syncobj_timeline_wait {
> + __u64 handles;
> + /* wait on specific timeline point for every handles*/
> + __u64 points;
> + /* absolute timeout */
> + __s64 timeout_nsec;
> + __u32 count_handles;
> + __u32 flags;
> + __u32 first_signaled; /* only valid when not waiting all */
> + __u32 pad;
> +};
> +
> +
> struct drm_syncobj_array {
> __u64 handles;
> __u32 count_handles;
> __u32 pad;
> };
>
> +struct drm_syncobj_timeline_array {
> + __u64 handles;
> + __u64 points;
> + __u32 count_handles;
> + __u32 pad;
> +};
> +
> +
> /* Query current scanout sequence number */
> struct drm_crtc_get_sequence {
> __u32 crtc_id; /* requested crtc_id */
> @@ -909,6 +941,11 @@ extern "C" {
> #define DRM_IOCTL_MODE_GET_LEASE DRM_IOWR(0xC8, struct drm_mode_get_lease)
> #define DRM_IOCTL_MODE_REVOKE_LEASE DRM_IOWR(0xC9, struct drm_mode_revoke_lease)
>
> +#define DRM_IOCTL_SYNCOBJ_TIMELINE_WAIT DRM_IOWR(0xCA, struct drm_syncobj_timeline_wait)
> +#define DRM_IOCTL_SYNCOBJ_QUERY DRM_IOWR(0xCB, struct drm_syncobj_timeline_array)
> +#define DRM_IOCTL_SYNCOBJ_TRANSFER DRM_IOWR(0xCC, struct drm_syncobj_transfer)
> +#define DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL DRM_IOWR(0xCD, struct drm_syncobj_timeline_array)
> +
> /**
> * Device specific ioctls should only be in their respective headers
> * The device specific ioctl range is from 0x40 to 0x9f.


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