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// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
/* Copyright 2013-2019 IBM Corp. */
#ifndef __DEBUG_DESCRIPTOR_H
#define __DEBUG_DESCRIPTOR_H
#define OPAL_BOOT_COMPLETE 0x1
/* Debug descriptor. This structure is pointed to by the word at offset
* 0x80 in the sapphire binary
*/
struct debug_descriptor {
u8 eye_catcher[8]; /* "OPALdbug" */
#define DEBUG_DESC_VERSION 1
__be32 version;
u8 console_log_levels; /* high 4 bits in memory,
* low 4 bits driver (e.g. uart). */
u8 state_flags; /* various state flags - OPAL_BOOT_COMPLETE etc */
__be16 reserved2;
__be32 reserved[2];
/* Memory console */
__be64 memcons_phys;
__be32 memcons_tce;
__be32 memcons_obuf_tce;
__be32 memcons_ibuf_tce;
/* Traces */
__be64 trace_mask;
__be32 num_traces;
#define DEBUG_DESC_MAX_TRACES 256
__be64 trace_phys[DEBUG_DESC_MAX_TRACES];
__be32 trace_size[DEBUG_DESC_MAX_TRACES];
__be32 trace_tce[DEBUG_DESC_MAX_TRACES];
__be16 trace_pir[DEBUG_DESC_MAX_TRACES];
};
extern struct debug_descriptor debug_descriptor;
static inline bool opal_booting(void)
{
return !(debug_descriptor.state_flags & OPAL_BOOT_COMPLETE);
}
#endif
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