63 lines
1.8 KiB
C
63 lines
1.8 KiB
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_GUC_CT_H_
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#define _XE_GUC_CT_H_
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#include "xe_guc_ct_types.h"
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struct drm_printer;
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int xe_guc_ct_init(struct xe_guc_ct *ct);
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int xe_guc_ct_enable(struct xe_guc_ct *ct);
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void xe_guc_ct_disable(struct xe_guc_ct *ct);
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void xe_guc_ct_print(struct xe_guc_ct *ct, struct drm_printer *p);
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void xe_guc_ct_fast_path(struct xe_guc_ct *ct);
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static inline void xe_guc_ct_irq_handler(struct xe_guc_ct *ct)
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{
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wake_up_all(&ct->wq);
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#ifdef XE_GUC_CT_SELFTEST
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if (!ct->suppress_irq_handler && ct->enabled)
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queue_work(system_unbound_wq, &ct->g2h_worker);
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#else
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if (ct->enabled)
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queue_work(system_unbound_wq, &ct->g2h_worker);
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#endif
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xe_guc_ct_fast_path(ct);
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}
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/* Basic CT send / receives */
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int xe_guc_ct_send(struct xe_guc_ct *ct, const u32 *action, u32 len,
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u32 g2h_len, u32 num_g2h);
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int xe_guc_ct_send_locked(struct xe_guc_ct *ct, const u32 *action, u32 len,
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u32 g2h_len, u32 num_g2h);
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int xe_guc_ct_send_recv(struct xe_guc_ct *ct, const u32 *action, u32 len,
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u32 *response_buffer);
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static inline int
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xe_guc_ct_send_block(struct xe_guc_ct *ct, const u32 *action, u32 len)
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{
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return xe_guc_ct_send_recv(ct, action, len, NULL);
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}
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/* This is only version of the send CT you can call from a G2H handler */
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int xe_guc_ct_send_g2h_handler(struct xe_guc_ct *ct, const u32 *action,
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u32 len);
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/* Can't fail because a GT reset is in progress */
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int xe_guc_ct_send_recv_no_fail(struct xe_guc_ct *ct, const u32 *action,
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u32 len, u32 *response_buffer);
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static inline int
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xe_guc_ct_send_block_no_fail(struct xe_guc_ct *ct, const u32 *action, u32 len)
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{
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return xe_guc_ct_send_recv_no_fail(ct, action, len, NULL);
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}
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#ifdef XE_GUC_CT_SELFTEST
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void xe_guc_ct_selftest(struct xe_guc_ct *ct, struct drm_printer *p);
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#endif
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#endif
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