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/* Copyright 2013-2018 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#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
u32 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 */
u16 reserved2;
u32 reserved[2];
/* Memory console */
u64 memcons_phys;
u32 memcons_tce;
u32 memcons_obuf_tce;
u32 memcons_ibuf_tce;
/* Traces */
u64 trace_mask;
u32 num_traces;
#define DEBUG_DESC_MAX_TRACES 256
u64 trace_phys[DEBUG_DESC_MAX_TRACES];
u32 trace_size[DEBUG_DESC_MAX_TRACES];
u32 trace_tce[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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