On Tue, Jun 29, 2021 at 02:11:00PM -0700, John Harrison wrote:
> On 6/24/2021 00:04, Matthew Brost wrote:
> > Add new GuC interface defines and structures while maintaining old ones
> > in parallel.
> >
> > Cc: John Harrison <john.c.harrison@xxxxxxxxx>
> > Signed-off-by: Matthew Brost <matthew.brost@xxxxxxxxx>
> I think there was some difference of opinion over whether these additions
> should be squashed in to the specific patches that first use them. However,
> on the grounds that such is basically a patch-only style comment and doesn't
> change the final product plus, we need to get this stuff merged efficiently
> and not spend forever rebasing and refactoring...
>
Agree this doesn't need to be squashed as it doesn't break anything and
also this all dead code anyways until we enable submission at the end of
the series.
Matt
> Reviewed-by: John Harrison <John.C.Harrison@xxxxxxxxx>
>
>
> > ---
> > .../gpu/drm/i915/gt/uc/abi/guc_actions_abi.h | 14 +++++++
> > drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h | 41 +++++++++++++++++++
> > 2 files changed, 55 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/i915/gt/uc/abi/guc_actions_abi.h b/drivers/gpu/drm/i915/gt/uc/abi/guc_actions_abi.h
> > index 2d6198e63ebe..57e18babdf4b 100644
> > --- a/drivers/gpu/drm/i915/gt/uc/abi/guc_actions_abi.h
> > +++ b/drivers/gpu/drm/i915/gt/uc/abi/guc_actions_abi.h
> > @@ -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
> > };
> > diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h
> > index 617ec601648d..28245a217a39 100644
> > --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h
> > +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h
> > @@ -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 +243,41 @@ 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
>
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