60fd58f999
Add a forward declaration to avoid compilation errors. Change-Id: I2b72059a6f739cc89c2da255bba736a2b4a1402a Signed-off-by: Reut Zysman <quic_rzysman@quicinc.com>
203 linhas
6.1 KiB
C
203 linhas
6.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
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/*
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* Copyright (c) 2016-2021, The Linux Foundation. All rights reserved.
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* Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. 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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#include <linux/firmware.h>
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#include <linux/qtee_shmbridge.h>
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#include "smcinvoke.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_OP_SLEEP 2
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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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#define OBJECT_COUNTS_INDEX_buffers(k) OBJECT_COUNTS_INDEX_BI(k)
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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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#define Object_ERROR_TIMEOUT -103 /* Call Back Object invocation timed out. */
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#define FOR_ARGS(ndxvar, counts, section) \
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for (ndxvar = OBJECT_COUNTS_INDEX_##section(counts); \
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ndxvar < (OBJECT_COUNTS_INDEX_##section(counts) \
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+ OBJECT_COUNTS_NUM_##section(counts)); \
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++ndxvar)
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/* ObjectOp */
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#define ObjectOp_METHOD_MASK ((uint32_t) 0x0000FFFFu)
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#define ObjectOp_methodID(op) ((op) & ObjectOp_METHOD_MASK)
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#define ObjectOp_LOCAL ((uint32_t) 0x00008000U)
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#define ObjectOp_isLocal(op) (((op) & ObjectOp_LOCAL) != 0)
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#define Object_OP_release (ObjectOp_METHOD_MASK - 0)
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#define Object_OP_retain (ObjectOp_METHOD_MASK - 1)
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/* Object */
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#define ObjectCounts_pack(nBuffersIn, nBuffersOut, nObjectsIn, nObjectsOut) \
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((uint32_t) ((nBuffersIn) | \
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((nBuffersOut) << 4) | \
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((nObjectsIn) << 8) | \
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((nObjectsOut) << 12)))
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union ObjectArg;
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struct smcinvoke_cmd_req;
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typedef int32_t (*ObjectInvoke)(void *h,
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uint32_t op,
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union ObjectArg *args,
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uint32_t counts);
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struct Object {
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ObjectInvoke invoke;
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void *context;
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};
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struct ObjectBuf {
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void *ptr;
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size_t size;
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};
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struct ObjectBufIn {
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const void *ptr;
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size_t size;
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};
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union ObjectArg {
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struct ObjectBuf b;
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struct ObjectBufIn bi;
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struct Object o;
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};
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static inline int32_t Object_invoke(struct Object o, uint32_t op,
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union ObjectArg *args, uint32_t k)
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{
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return o.invoke(o.context, op, args, k);
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}
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#define Object_NULL ((struct Object){NULL, NULL})
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#define OBJECT_NOT_RETAINED
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#define OBJECT_CONSUMED
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static inline int32_t Object_release(OBJECT_CONSUMED struct Object o)
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{
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return Object_invoke((o), Object_OP_release, 0, 0);
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}
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static inline int32_t Object_retain(struct Object o)
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{
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return Object_invoke((o), Object_OP_retain, 0, 0);
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}
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#define Object_isNull(o) ((o).invoke == NULL)
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#define Object_RELEASE_IF(o) \
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do { \
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struct Object o_ = (o); \
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if (!Object_isNull(o_)) \
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(void) Object_release(o_); \
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} while (0)
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static inline void Object_replace(struct Object *loc, struct Object objNew)
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{
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if (!Object_isNull(*loc))
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Object_release(*loc);
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if (!Object_isNull(objNew))
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Object_retain(objNew);
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*loc = objNew;
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}
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#define Object_ASSIGN_NULL(loc) Object_replace(&(loc), Object_NULL)
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#define SMCINVOKE_INTERFACE_MAX_RETRY 5
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#define SMCINVOKE_INTERFACE_BUSY_WAIT_MS 5
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int smcinvoke_release_from_kernel_client(int fd);
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int get_root_fd(int *root_fd);
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int process_invoke_request_from_kernel_client(
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int fd, struct smcinvoke_cmd_req *req);
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char *firmware_request_from_smcinvoke(const char *appname, size_t *fw_size, struct qtee_shm *shm);
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int32_t get_client_env_object(struct Object *clientEnvObj);
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#endif /* __SMCINVOKE_OBJECT_H */
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