| /* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| #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_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 */ |
| |
| #endif /* __SMCINVOKE_OBJECT_H */ |