37 lines
1,000 B
C
37 lines
1,000 B
C
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/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2020 Western Digital Corporation or its affiliates.
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*
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* Authors:
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* Atish Patra <atish.patra@wdc.com>
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*/
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#ifndef __SBI_HSM_H__
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#define __SBI_HSM_H__
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#include <sbi/sbi_types.h>
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/** Hart state values **/
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#define SBI_HART_STOPPED 0
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#define SBI_HART_STOPPING 1
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#define SBI_HART_STARTING 2
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#define SBI_HART_STARTED 3
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#define SBI_HART_UNKNOWN 4
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struct sbi_scratch;
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int sbi_hsm_init(struct sbi_scratch *scratch, u32 hartid, bool cold_boot);
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void __noreturn sbi_hsm_exit(struct sbi_scratch *scratch);
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int sbi_hsm_hart_start(struct sbi_scratch *scratch, u32 hartid,
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ulong saddr, ulong priv);
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int sbi_hsm_hart_stop(struct sbi_scratch *scratch, bool exitnow);
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int sbi_hsm_hart_get_state(u32 hartid);
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int sbi_hsm_hart_state_to_status(int state);
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bool sbi_hsm_hart_started(u32 hartid);
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int sbi_hsm_hart_started_mask(ulong hbase, ulong *out_hmask);
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void sbi_hsm_prepare_next_jump(struct sbi_scratch *scratch, u32 hartid);
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#endif
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