a58cd8b7d2
When trusted environment is busy, it may ask HLOS to yield i.e. retry. If HLOS does not have this functionality, it may result in invocation failure. Change-Id: I33abfce50bb4c6c88fd51a83a6fe3d6af9b3696a Signed-off-by: Dinesh K Garg <dineshg@codeaurora.org>
84 lines
3.2 KiB
C
84 lines
3.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2016-2020, The Linux Foundation. All rights reserved.
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*/
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#ifndef __SMCINVOKE_OBJECT_H
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#define __SMCINVOKE_OBJECT_H
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#include <linux/types.h>
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/*
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* Method bits are not modified by transport layers. These describe the
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* method (member function) being requested by the client.
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*/
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#define OBJECT_OP_METHOD_MASK (0x0000FFFFu)
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#define OBJECT_OP_METHODID(op) ((op) & OBJECT_OP_METHOD_MASK)
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#define OBJECT_OP_RELEASE (OBJECT_OP_METHOD_MASK - 0)
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#define OBJECT_OP_RETAIN (OBJECT_OP_METHOD_MASK - 1)
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#define OBJECT_OP_MAP_REGION 0
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#define OBJECT_OP_YIELD 1
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#define OBJECT_COUNTS_MAX_BI 0xF
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#define OBJECT_COUNTS_MAX_BO 0xF
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#define OBJECT_COUNTS_MAX_OI 0xF
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#define OBJECT_COUNTS_MAX_OO 0xF
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/* unpack counts */
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#define OBJECT_COUNTS_NUM_BI(k) ((size_t) (((k) >> 0) & OBJECT_COUNTS_MAX_BI))
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#define OBJECT_COUNTS_NUM_BO(k) ((size_t) (((k) >> 4) & OBJECT_COUNTS_MAX_BO))
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#define OBJECT_COUNTS_NUM_OI(k) ((size_t) (((k) >> 8) & OBJECT_COUNTS_MAX_OI))
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#define OBJECT_COUNTS_NUM_OO(k) ((size_t) (((k) >> 12) & OBJECT_COUNTS_MAX_OO))
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#define OBJECT_COUNTS_NUM_buffers(k) \
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(OBJECT_COUNTS_NUM_BI(k) + OBJECT_COUNTS_NUM_BO(k))
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#define OBJECT_COUNTS_NUM_objects(k) \
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(OBJECT_COUNTS_NUM_OI(k) + OBJECT_COUNTS_NUM_OO(k))
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/* Indices into args[] */
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#define OBJECT_COUNTS_INDEX_BI(k) 0
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#define OBJECT_COUNTS_INDEX_BO(k) \
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(OBJECT_COUNTS_INDEX_BI(k) + OBJECT_COUNTS_NUM_BI(k))
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#define OBJECT_COUNTS_INDEX_OI(k) \
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(OBJECT_COUNTS_INDEX_BO(k) + OBJECT_COUNTS_NUM_BO(k))
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#define OBJECT_COUNTS_INDEX_OO(k) \
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(OBJECT_COUNTS_INDEX_OI(k) + OBJECT_COUNTS_NUM_OI(k))
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#define OBJECT_COUNTS_TOTAL(k) \
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(OBJECT_COUNTS_INDEX_OO(k) + OBJECT_COUNTS_NUM_OO(k))
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#define OBJECT_COUNTS_PACK(in_bufs, out_bufs, in_objs, out_objs) \
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((uint32_t) ((in_bufs) | ((out_bufs) << 4) | \
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((in_objs) << 8) | ((out_objs) << 12)))
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/* Object_invoke return codes */
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#define OBJECT_isOK(err) ((err) == 0)
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#define OBJECT_isERROR(err) ((err) != 0)
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/* Generic error codes */
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#define OBJECT_OK 0 /* non-specific success code */
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#define OBJECT_ERROR 1 /* non-specific error */
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#define OBJECT_ERROR_INVALID 2 /* unsupported/unrecognized request */
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#define OBJECT_ERROR_SIZE_IN 3 /* supplied buffer/string too large */
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#define OBJECT_ERROR_SIZE_OUT 4 /* supplied output buffer too small */
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#define OBJECT_ERROR_USERBASE 10 /* start of user-defined error range */
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/* Transport layer error codes */
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#define OBJECT_ERROR_DEFUNCT -90 /* object no longer exists */
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#define OBJECT_ERROR_ABORT -91 /* calling thread must exit */
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#define OBJECT_ERROR_BADOBJ -92 /* invalid object context */
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#define OBJECT_ERROR_NOSLOTS -93 /* caller's object table full */
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#define OBJECT_ERROR_MAXARGS -94 /* too many args */
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#define OBJECT_ERROR_MAXDATA -95 /* buffers too large */
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#define OBJECT_ERROR_UNAVAIL -96 /* the request could not be processed */
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#define OBJECT_ERROR_KMEM -97 /* kernel out of memory */
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#define OBJECT_ERROR_REMOTE -98 /* local method sent to remote object */
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#define OBJECT_ERROR_BUSY -99 /* Object is busy */
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#endif /* __SMCINVOKE_OBJECT_H */
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