accel/amdxdna: Add command execution

Add interfaces for user application to submit command and wait for its
completion.

Co-developed-by: Min Ma <min.ma@amd.com>
Signed-off-by: Min Ma <min.ma@amd.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241118172942.2014541-8-lizhi.hou@amd.com

2 files changed, 79 insertions, 0 deletions

diff --git a/include/trace/events/amdxdna.h b/include/trace/events/amdxdna.h
index 33343d8f0622..c6cb2da7b706 100644
--- a/include/trace/events/amdxdna.h
+++ b/include/trace/events/amdxdna.h
@@ -9,8 +9,49 @@
 #if !defined(_TRACE_AMDXDNA_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_AMDXDNA_H
 
+#include <drm/gpu_scheduler.h>
 #include <linux/tracepoint.h>
 
+TRACE_EVENT(amdxdna_debug_point,
+	    TP_PROTO(const char *name, u64 number, const char *str),
+
+	    TP_ARGS(name, number, str),
+
+	    TP_STRUCT__entry(__string(name, name)
+			     __field(u64, number)
+			     __string(str, str)),
+
+	    TP_fast_assign(__assign_str(name);
+			   __entry->number = number;
+			   __assign_str(str);),
+
+	    TP_printk("%s:%llu %s", __get_str(name), __entry->number,
+		      __get_str(str))
+);
+
+TRACE_EVENT(xdna_job,
+	    TP_PROTO(struct drm_sched_job *sched_job, const char *name, const char *str, u64 seq),
+
+	    TP_ARGS(sched_job, name, str, seq),
+
+	    TP_STRUCT__entry(__string(name, name)
+			     __string(str, str)
+			     __field(u64, fence_context)
+			     __field(u64, fence_seqno)
+			     __field(u64, seq)),
+
+	    TP_fast_assign(__assign_str(name);
+			   __assign_str(str);
+			   __entry->fence_context = sched_job->s_fence->finished.context;
+			   __entry->fence_seqno = sched_job->s_fence->finished.seqno;
+			   __entry->seq = seq;),
+
+	    TP_printk("fence=(context:%llu, seqno:%lld), %s seq#:%lld %s",
+		      __entry->fence_context, __entry->fence_seqno,
+		      __get_str(name), __entry->seq,
+		      __get_str(str))
+);
+
 DECLARE_EVENT_CLASS(xdna_mbox_msg,
 		    TP_PROTO(char *name, u8 chann_id, u32 opcode, u32 msg_id),
 
diff --git a/include/uapi/drm/amdxdna_accel.h b/include/uapi/drm/amdxdna_accel.h
index e3e78b79a8e7..3e88ed386fac 100644
--- a/include/uapi/drm/amdxdna_accel.h
+++ b/include/uapi/drm/amdxdna_accel.h
@@ -13,9 +13,11 @@
 extern "C" {
 #endif
 
+#define AMDXDNA_INVALID_CMD_HANDLE	(~0UL)
 #define AMDXDNA_INVALID_ADDR		(~0UL)
 #define AMDXDNA_INVALID_CTX_HANDLE	0
 #define AMDXDNA_INVALID_BO_HANDLE	0
+#define AMDXDNA_INVALID_FENCE_HANDLE	0
 
 enum amdxdna_device_type {
 	AMDXDNA_DEV_TYPE_UNKNOWN = -1,
@@ -29,6 +31,7 @@ enum amdxdna_drm_ioctl_id {
 	DRM_AMDXDNA_CREATE_BO,
 	DRM_AMDXDNA_GET_BO_INFO,
 	DRM_AMDXDNA_SYNC_BO,
+	DRM_AMDXDNA_EXEC_CMD,
 };
 
 /**
@@ -201,6 +204,37 @@ struct amdxdna_drm_sync_bo {
 	__u64 size;
 };
 
+enum amdxdna_cmd_type {
+	AMDXDNA_CMD_SUBMIT_EXEC_BUF = 0,
+	AMDXDNA_CMD_SUBMIT_DEPENDENCY,
+	AMDXDNA_CMD_SUBMIT_SIGNAL,
+};
+
+/**
+ * struct amdxdna_drm_exec_cmd - Execute command.
+ * @ext: MBZ.
+ * @ext_flags: MBZ.
+ * @hwctx: Hardware context handle.
+ * @type: One of command type in enum amdxdna_cmd_type.
+ * @cmd_handles: Array of command handles or the command handle itself
+ *               in case of just one.
+ * @args: Array of arguments for all command handles.
+ * @cmd_count: Number of command handles in the cmd_handles array.
+ * @arg_count: Number of arguments in the args array.
+ * @seq: Returned sequence number for this command.
+ */
+struct amdxdna_drm_exec_cmd {
+	__u64 ext;
+	__u64 ext_flags;
+	__u32 hwctx;
+	__u32 type;
+	__u64 cmd_handles;
+	__u64 args;
+	__u32 cmd_count;
+	__u32 arg_count;
+	__u64 seq;
+};
+
 #define DRM_IOCTL_AMDXDNA_CREATE_HWCTX \
 	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDXDNA_CREATE_HWCTX, \
 		 struct amdxdna_drm_create_hwctx)
@@ -225,6 +259,10 @@ struct amdxdna_drm_sync_bo {
 	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDXDNA_SYNC_BO, \
 		 struct amdxdna_drm_sync_bo)
 
+#define DRM_IOCTL_AMDXDNA_EXEC_CMD \
+	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDXDNA_EXEC_CMD, \
+		 struct amdxdna_drm_exec_cmd)
+
 #if defined(__cplusplus)
 } /* extern c end */
 #endif