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The GSC uC needs to communicate with the CSME to perform certain operations. Since the GSC can't perform this communication directly on platforms where it is integrated in GT, the graphics driver needs to transfer the messages from GSC to CSME and back. The proxy flow must be manually started after the GSC is loaded to signal to GSC that we're ready to handle its messages and allow it to query its init data from CSME. Note that the component must be removed before the pci_remove call completes, so we can't use a drmm helper for it and we need to instead perform the cleanup as part of the removal flow. v2: add function documentation, more targeted memory clear, clearer logs and variable names (Alan) Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: Alan Previn <alan.previn.teres.alexis@intel.com> Cc: Suraj Kandpal <suraj.kandpal@intel.com> Reviewed-by: Alan Previn <alan.previn.teres.alexis@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240117182621.2653049-2-daniele.ceraolospurio@intel.com
26 lines
669 B
C
26 lines
669 B
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2022 Intel Corporation
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*/
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#ifndef _XE_UC_H_
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#define _XE_UC_H_
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#include "xe_uc_types.h"
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int xe_uc_init(struct xe_uc *uc);
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int xe_uc_init_hwconfig(struct xe_uc *uc);
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int xe_uc_init_post_hwconfig(struct xe_uc *uc);
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int xe_uc_init_hw(struct xe_uc *uc);
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int xe_uc_fini_hw(struct xe_uc *uc);
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void xe_uc_gucrc_disable(struct xe_uc *uc);
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int xe_uc_reset_prepare(struct xe_uc *uc);
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void xe_uc_stop_prepare(struct xe_uc *uc);
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int xe_uc_stop(struct xe_uc *uc);
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int xe_uc_start(struct xe_uc *uc);
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int xe_uc_suspend(struct xe_uc *uc);
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int xe_uc_sanitize_reset(struct xe_uc *uc);
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void xe_uc_remove(struct xe_uc *uc);
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#endif
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