2bd921b011
Add a new error code to support the case when the callback object times out. This error propagates back to TZ and makes sure that the secure side responds accordingly. Change-Id: Ib604696c7af3d704c54950ec0d5909bcec3f53d6 Signed-off-by: Anmolpreet Kaur <anmolpre@codeaurora.org>
85 lines
3.3 KiB
C
85 lines
3.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Copyright (c) 2016-2021, The Linux Foundation. All rights reserved.
|
|
*/
|
|
#ifndef __SMCINVOKE_OBJECT_H
|
|
#define __SMCINVOKE_OBJECT_H
|
|
|
|
#include <linux/types.h>
|
|
|
|
/*
|
|
* Method bits are not modified by transport layers. These describe the
|
|
* method (member function) being requested by the client.
|
|
*/
|
|
#define OBJECT_OP_METHOD_MASK (0x0000FFFFu)
|
|
#define OBJECT_OP_METHODID(op) ((op) & OBJECT_OP_METHOD_MASK)
|
|
#define OBJECT_OP_RELEASE (OBJECT_OP_METHOD_MASK - 0)
|
|
#define OBJECT_OP_RETAIN (OBJECT_OP_METHOD_MASK - 1)
|
|
#define OBJECT_OP_MAP_REGION 0
|
|
#define OBJECT_OP_YIELD 1
|
|
|
|
#define OBJECT_COUNTS_MAX_BI 0xF
|
|
#define OBJECT_COUNTS_MAX_BO 0xF
|
|
#define OBJECT_COUNTS_MAX_OI 0xF
|
|
#define OBJECT_COUNTS_MAX_OO 0xF
|
|
|
|
/* unpack counts */
|
|
|
|
#define OBJECT_COUNTS_NUM_BI(k) ((size_t) (((k) >> 0) & OBJECT_COUNTS_MAX_BI))
|
|
#define OBJECT_COUNTS_NUM_BO(k) ((size_t) (((k) >> 4) & OBJECT_COUNTS_MAX_BO))
|
|
#define OBJECT_COUNTS_NUM_OI(k) ((size_t) (((k) >> 8) & OBJECT_COUNTS_MAX_OI))
|
|
#define OBJECT_COUNTS_NUM_OO(k) ((size_t) (((k) >> 12) & OBJECT_COUNTS_MAX_OO))
|
|
#define OBJECT_COUNTS_NUM_buffers(k) \
|
|
(OBJECT_COUNTS_NUM_BI(k) + OBJECT_COUNTS_NUM_BO(k))
|
|
|
|
#define OBJECT_COUNTS_NUM_objects(k) \
|
|
(OBJECT_COUNTS_NUM_OI(k) + OBJECT_COUNTS_NUM_OO(k))
|
|
|
|
/* Indices into args[] */
|
|
|
|
#define OBJECT_COUNTS_INDEX_BI(k) 0
|
|
#define OBJECT_COUNTS_INDEX_BO(k) \
|
|
(OBJECT_COUNTS_INDEX_BI(k) + OBJECT_COUNTS_NUM_BI(k))
|
|
#define OBJECT_COUNTS_INDEX_OI(k) \
|
|
(OBJECT_COUNTS_INDEX_BO(k) + OBJECT_COUNTS_NUM_BO(k))
|
|
#define OBJECT_COUNTS_INDEX_OO(k) \
|
|
(OBJECT_COUNTS_INDEX_OI(k) + OBJECT_COUNTS_NUM_OI(k))
|
|
#define OBJECT_COUNTS_TOTAL(k) \
|
|
(OBJECT_COUNTS_INDEX_OO(k) + OBJECT_COUNTS_NUM_OO(k))
|
|
|
|
#define OBJECT_COUNTS_PACK(in_bufs, out_bufs, in_objs, out_objs) \
|
|
((uint32_t) ((in_bufs) | ((out_bufs) << 4) | \
|
|
((in_objs) << 8) | ((out_objs) << 12)))
|
|
|
|
|
|
/* Object_invoke return codes */
|
|
|
|
#define OBJECT_isOK(err) ((err) == 0)
|
|
#define OBJECT_isERROR(err) ((err) != 0)
|
|
|
|
/* Generic error codes */
|
|
|
|
#define OBJECT_OK 0 /* non-specific success code */
|
|
#define OBJECT_ERROR 1 /* non-specific error */
|
|
#define OBJECT_ERROR_INVALID 2 /* unsupported/unrecognized request */
|
|
#define OBJECT_ERROR_SIZE_IN 3 /* supplied buffer/string too large */
|
|
#define OBJECT_ERROR_SIZE_OUT 4 /* supplied output buffer too small */
|
|
|
|
#define OBJECT_ERROR_USERBASE 10 /* start of user-defined error range */
|
|
|
|
/* Transport layer error codes */
|
|
|
|
#define OBJECT_ERROR_DEFUNCT -90 /* object no longer exists */
|
|
#define OBJECT_ERROR_ABORT -91 /* calling thread must exit */
|
|
#define OBJECT_ERROR_BADOBJ -92 /* invalid object context */
|
|
#define OBJECT_ERROR_NOSLOTS -93 /* caller's object table full */
|
|
#define OBJECT_ERROR_MAXARGS -94 /* too many args */
|
|
#define OBJECT_ERROR_MAXDATA -95 /* buffers too large */
|
|
#define OBJECT_ERROR_UNAVAIL -96 /* the request could not be processed */
|
|
#define OBJECT_ERROR_KMEM -97 /* kernel out of memory */
|
|
#define OBJECT_ERROR_REMOTE -98 /* local method sent to remote object */
|
|
#define OBJECT_ERROR_BUSY -99 /* Object is busy */
|
|
#define Object_ERROR_TIMEOUT -103 /* Call Back Object invocation timed out. */
|
|
|
|
#endif /* __SMCINVOKE_OBJECT_H */
|