Commit 56bc8874 authored by Matthew Brost's avatar Matthew Brost Committed by John Harrison
Browse files

drm/i915/guc: Add new GuC interface defines and structures 



Add new GuC interface defines and structures while maintaining old ones
in parallel.

Cc: John Harrison <john.c.harrison@intel.com>
Signed-off-by: default avatarMatthew Brost <matthew.brost@intel.com>
Reviewed-by: default avatarJohn Harrison <John.C.Harrison@Intel.com>
Signed-off-by: default avatarJohn Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210721215101.139794-2-matthew.brost@intel.com
parent 7fc37efd

drivers/gpu/drm/i915/gt/uc/abi/guc_actions_abi.h

+14 −0
Original line number Diff line number Diff line
@@ -124,10 +124,24 @@ enum intel_guc_action { 
	INTEL_GUC_ACTION_FORCE_LOG_BUFFER_FLUSH = 0x302,

	INTEL_GUC_ACTION_ENTER_S_STATE = 0x501,

	INTEL_GUC_ACTION_EXIT_S_STATE = 0x502,

	INTEL_GUC_ACTION_GLOBAL_SCHED_POLICY_CHANGE = 0x506,

	INTEL_GUC_ACTION_SCHED_CONTEXT = 0x1000,

	INTEL_GUC_ACTION_SCHED_CONTEXT_MODE_SET = 0x1001,

	INTEL_GUC_ACTION_SCHED_CONTEXT_MODE_DONE = 0x1002,

	INTEL_GUC_ACTION_SCHED_ENGINE_MODE_SET = 0x1003,

	INTEL_GUC_ACTION_SCHED_ENGINE_MODE_DONE = 0x1004,

	INTEL_GUC_ACTION_SET_CONTEXT_PRIORITY = 0x1005,

	INTEL_GUC_ACTION_SET_CONTEXT_EXECUTION_QUANTUM = 0x1006,

	INTEL_GUC_ACTION_SET_CONTEXT_PREEMPTION_TIMEOUT = 0x1007,

	INTEL_GUC_ACTION_CONTEXT_RESET_NOTIFICATION = 0x1008,

	INTEL_GUC_ACTION_ENGINE_FAILURE_NOTIFICATION = 0x1009,

	INTEL_GUC_ACTION_SLPC_REQUEST = 0x3003,

	INTEL_GUC_ACTION_AUTHENTICATE_HUC = 0x4000,

	INTEL_GUC_ACTION_REGISTER_CONTEXT = 0x4502,

	INTEL_GUC_ACTION_DEREGISTER_CONTEXT = 0x4503,

	INTEL_GUC_ACTION_REGISTER_COMMAND_TRANSPORT_BUFFER = 0x4505,

	INTEL_GUC_ACTION_DEREGISTER_COMMAND_TRANSPORT_BUFFER = 0x4506,

	INTEL_GUC_ACTION_DEREGISTER_CONTEXT_DONE = 0x4600,

	INTEL_GUC_ACTION_LIMIT

};

drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h

+42 −0
Original line number Diff line number Diff line
@@ -17,6 +17,9 @@ 
#include "abi/guc_communication_ctb_abi.h"

#include "abi/guc_messages_abi.h"



#define GUC_CONTEXT_DISABLE		0

#define GUC_CONTEXT_ENABLE		1



#define GUC_CLIENT_PRIORITY_KMD_HIGH	0

#define GUC_CLIENT_PRIORITY_HIGH	1

#define GUC_CLIENT_PRIORITY_KMD_NORMAL	2
@@ -26,6 +29,9 @@ 
#define GUC_MAX_STAGE_DESCRIPTORS	1024

#define	GUC_INVALID_STAGE_ID		GUC_MAX_STAGE_DESCRIPTORS



#define GUC_MAX_LRC_DESCRIPTORS		65535

#define	GUC_INVALID_LRC_ID		GUC_MAX_LRC_DESCRIPTORS



#define GUC_RENDER_ENGINE		0

#define GUC_VIDEO_ENGINE		1

#define GUC_BLITTER_ENGINE		2
@@ -237,6 +243,42 @@ struct guc_stage_desc { 
	u64 desc_private;

} __packed;



#define CONTEXT_REGISTRATION_FLAG_KMD	BIT(0)



#define CONTEXT_POLICY_DEFAULT_EXECUTION_QUANTUM_US 1000000

#define CONTEXT_POLICY_DEFAULT_PREEMPTION_TIME_US 500000



/* Preempt to idle on quantum expiry */

#define CONTEXT_POLICY_FLAG_PREEMPT_TO_IDLE	BIT(0)



/*

 * GuC Context registration descriptor.

 * FIXME: This is only required to exist during context registration.

 * The current 1:1 between guc_lrc_desc and LRCs for the lifetime of the LRC

 * is not required.

 */

struct guc_lrc_desc {

	u32 hw_context_desc;

	u32 slpm_perf_mode_hint;	/* SPLC v1 only */

	u32 slpm_freq_hint;

	u32 engine_submit_mask;		/* In logical space */

	u8 engine_class;

	u8 reserved0[3];

	u32 priority;

	u32 process_desc;

	u32 wq_addr;

	u32 wq_size;

	u32 context_flags;		/* CONTEXT_REGISTRATION_* */

	/* Time for one workload to execute. (in micro seconds) */

	u32 execution_quantum;

	/* Time to wait for a preemption request to complete before issuing a

	 * reset. (in micro seconds).

	 */

	u32 preemption_timeout;

	u32 policy_flags;		/* CONTEXT_POLICY_* */

	u32 reserved1[19];

} __packed;



#define GUC_POWER_UNSPECIFIED	0

#define GUC_POWER_D0		1

#define GUC_POWER_D1		2