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HYL_OK3568_LINUX/external/mpp/osal/driver/mpp_service.c
HYL c6e7b553e6 first commit
2025-05-10 21:49:39 +08:00

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/*
* Copyright 2020 Rockchip Electronics Co. LTD
*
* 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.
*/
#define MODULE_TAG "mpp_serivce"
#include <sys/ioctl.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include "mpp_env.h"
#include "mpp_mem.h"
#include "mpp_debug.h"
#include "mpp_common.h"
#include "osal_2str.h"
#include "mpp_device_debug.h"
#include "mpp_service_api.h"
#include "mpp_service_impl.h"
#include "mpp_server.h"
typedef struct MppServiceQueryCfg_t {
RK_U32 cmd_butt;
const char *name;
} MppServiceQueryCfg;
static const MppServiceQueryCfg query_cfg[] = {
{ MPP_CMD_QUERY_BASE, "query_cmd", },
{ MPP_CMD_INIT_BASE, "init_cmd", },
{ MPP_CMD_SEND_BASE, "send_cmd", },
{ MPP_CMD_POLL_BASE, "poll_cmd", },
{ MPP_CMD_CONTROL_BASE, "control_cmd", },
};
static const RK_U32 query_count = MPP_ARRAY_ELEMS(query_cfg);
const char *mpp_get_mpp_service_name(void)
{
static const char *mpp_service_name = NULL;
static const char *mpp_service_dev[] = {
"/dev/mpp_service",
"/dev/mpp-service",
};
if (mpp_service_name)
return mpp_service_name;
if (!access(mpp_service_dev[0], F_OK | R_OK | W_OK)) {
mpp_service_name = mpp_service_dev[0];
} else if (!access(mpp_service_dev[1], F_OK | R_OK | W_OK))
mpp_service_name = mpp_service_dev[1];
return mpp_service_name;
}
RK_S32 mpp_service_ioctl(RK_S32 fd, RK_U32 cmd, RK_U32 size, void *param)
{
MppReqV1 mpp_req;
memset(&mpp_req, 0, sizeof(mpp_req));
mpp_req.cmd = cmd;
mpp_req.flag = 0;
mpp_req.size = size;
mpp_req.offset = 0;
mpp_req.data_ptr = REQ_DATA_PTR(param);
return (RK_S32)ioctl(fd, MPP_IOC_CFG_V1, &mpp_req);
}
RK_S32 mpp_service_ioctl_request(RK_S32 fd, MppReqV1 *req)
{
return (RK_S32)ioctl(fd, MPP_IOC_CFG_V1, req);
}
MPP_RET mpp_service_check_cmd_valid(RK_U32 cmd, const MppServiceCmdCap *cap)
{
RK_U32 found = 0;
if (cap->support_cmd > 0) {
found = (cmd < cap->query_cmd) ? 1 : 0;
found = (cmd >= MPP_CMD_INIT_BASE && cmd < cap->init_cmd) ? 1 : found;
found = (cmd >= MPP_CMD_SEND_BASE && cmd < cap->send_cmd) ? 1 : found;
found = (cmd >= MPP_CMD_POLL_BASE && cmd < cap->poll_cmd) ? 1 : found;
found = (cmd >= MPP_CMD_CONTROL_BASE && cmd < cap->ctrl_cmd) ? 1 : found;
} else {
/* old kernel before support_cmd query is valid */
found = (cmd >= MPP_CMD_INIT_BASE && cmd <= MPP_CMD_INIT_TRANS_TABLE) ? 1 : found;
found = (cmd >= MPP_CMD_SEND_BASE && cmd <= MPP_CMD_SET_REG_ADDR_OFFSET) ? 1 : found;
found = (cmd >= MPP_CMD_POLL_BASE && cmd <= MPP_CMD_POLL_HW_FINISH) ? 1 : found;
found = (cmd >= MPP_CMD_CONTROL_BASE && cmd <= MPP_CMD_RELEASE_FD) ? 1 : found;
}
return found ? MPP_OK : MPP_NOK;
}
void check_mpp_service_cap(RK_U32 *codec_type, RK_U32 *hw_ids, MppServiceCmdCap *cap)
{
MppReqV1 mpp_req;
RK_S32 fd = -1;
RK_S32 ret = 0;
RK_U32 *cmd_butt = &cap->query_cmd;;
RK_U32 hw_support = 0;
RK_U32 val;
RK_U32 i;
/* for device check on startup */
mpp_env_get_u32("mpp_device_debug", &mpp_device_debug, 0);
*codec_type = 0;
memset(hw_ids, 0, sizeof(RK_U32) * 32);
/* check hw_support flag for valid client type */
fd = open(mpp_get_mpp_service_name(), O_RDWR | O_CLOEXEC);
if (fd < 0) {
mpp_err("open mpp_service to check cmd capability failed\n");
memset(cap, 0, sizeof(*cap));
return ;
}
ret = mpp_service_ioctl(fd, MPP_CMD_PROBE_HW_SUPPORT, 0, &hw_support);
if (!ret) {
mpp_dev_dbg_probe("vcodec_support %08x\n", hw_support);
*codec_type = hw_support;
}
cap->support_cmd = !access("/proc/mpp_service/supports-cmd", F_OK) ||
!access("/proc/mpp_service/support_cmd", F_OK);
if (cap->support_cmd) {
for (i = 0; i < query_count; i++, cmd_butt++) {
const MppServiceQueryCfg *cfg = &query_cfg[i];
memset(&mpp_req, 0, sizeof(mpp_req));
val = cfg->cmd_butt;
mpp_req.cmd = MPP_CMD_QUERY_CMD_SUPPORT;
mpp_req.data_ptr = REQ_DATA_PTR(&val);
ret = (RK_S32)ioctl(fd, MPP_IOC_CFG_V1, &mpp_req);
if (ret)
mpp_err_f("query %-11s support error %s.\n", cfg->name, strerror(errno));
else {
*cmd_butt = val;
mpp_dev_dbg_probe("query %-11s support %04x\n", cfg->name, val);
}
}
}
close(fd);
/* check each valid client type for hw_id */
/* kernel need to set client type then get hw_id */
for (i = 0; i < 32; i++) {
if (hw_support & (1 << i)) {
val = i;
fd = open(mpp_get_mpp_service_name(), O_RDWR | O_CLOEXEC);
if (fd < 0) {
mpp_err("open mpp_service to check cmd capability failed\n");
break;
}
/* set client type first */
ret = mpp_service_ioctl(fd, MPP_CMD_INIT_CLIENT_TYPE, sizeof(val), &val);
if (ret) {
mpp_err("check valid client type %d failed\n", i);
} else {
/* then get hw_id */
ret = mpp_service_ioctl(fd, MPP_CMD_QUERY_HW_ID, sizeof(val), &val);
if (!ret) {
mpp_dev_dbg_probe("client %-10s hw_id %08x\n",
strof_client_type((MppClientType)i), val);
hw_ids[i] = val;
} else
mpp_err("check valid client %-10s for hw_id failed\n",
strof_client_type((MppClientType)i));
}
close(fd);
}
}
}
MppReqV1 *mpp_service_next_req(MppDevMppService *p)
{
MppReqV1 *mpp_req = NULL;
if (p->req_cnt >= p->req_max) {
mpp_dev_dbg_msg("enlarge request count %d -> %d\n",
p->req_max, p->req_max * 2);
p->reqs = mpp_realloc(p->reqs, MppReqV1, p->req_max * 2);
if (NULL == p->reqs) {
mpp_err_f("failed to enlarge request buffer\n");
return NULL;
}
p->req_max *= 2;
}
mpp_req = &p->reqs[p->req_cnt++];
return mpp_req;
}
RegOffsetInfo *mpp_service_next_reg_offset(MppDevMppService *p)
{
RegOffsetInfo *info = NULL;
if (p->reg_offset_count + p->reg_offset_pos >= p->reg_offset_max) {
RegOffsetInfo *orig = p->reg_offset_info;
mpp_dev_dbg_msg("enlarge reg offset count %d -> %d\n",
p->reg_offset_max, p->reg_offset_max * 2);
p->reg_offset_info = mpp_realloc(p->reg_offset_info, RegOffsetInfo, p->reg_offset_max * 2);
if (NULL == p->reg_offset_info) {
mpp_err_f("failed to enlarge request buffer\n");
return NULL;
}
if (orig != p->reg_offset_info)
mpp_logw_f("enlarge reg offset buffer and get different pointer\n");
p->reg_offset_max *= 2;
}
info = &p->reg_offset_info[p->reg_offset_count + p->reg_offset_pos];
mpp_dev_dbg_msg("reg offset %d : %d\n", p->reg_offset_pos, p->reg_offset_count);
p->reg_offset_count++;
return info;
}
RcbInfo *mpp_service_next_rcb_info(MppDevMppService *p)
{
RcbInfo *info = NULL;
if (p->rcb_count + p->rcb_pos >= p->rcb_max) {
mpp_dev_dbg_msg("enlarge rcb info count %d -> %d\n",
p->rcb_max, p->rcb_max * 2);
p->rcb_info = mpp_realloc(p->rcb_info, RcbInfo, p->rcb_max * 2);
if (NULL == p->rcb_info) {
mpp_err_f("failed to enlarge request buffer\n");
return NULL;
}
p->rcb_max *= 2;
}
info = &p->rcb_info[p->rcb_count + p->rcb_pos];
mpp_dev_dbg_msg("rcb info %d : %d\n", p->rcb_pos, p->rcb_count);
p->rcb_count++;
return info;
}
MPP_RET mpp_service_init(void *ctx, MppClientType type)
{
MppDevMppService *p = (MppDevMppService *)ctx;
MPP_RET ret = MPP_NOK;
p->cap = mpp_get_mpp_service_cmd_cap();
p->client = open(mpp_get_mpp_service_name(), O_RDWR | O_CLOEXEC);
if (p->client < 0) {
mpp_err("open mpp_service failed\n");
return ret;
}
/* set client type first */
ret = mpp_service_ioctl(p->client, MPP_CMD_INIT_CLIENT_TYPE, sizeof(type), &type);
if (ret)
mpp_err("set client type %d failed\n", type);
mpp_assert(p->cap);
if (MPP_OK == mpp_service_check_cmd_valid(MPP_CMD_SEND_CODEC_INFO, p->cap))
p->support_set_info = 1;
if (MPP_OK == mpp_service_check_cmd_valid(MPP_CMD_SET_RCB_INFO, p->cap)) {
p->support_set_rcb_info = 1;
mpp_env_get_u32("disable_rcb_info", &p->support_set_rcb_info, 1);
}
if (MPP_OK == mpp_service_check_cmd_valid(MPP_CMD_POLL_HW_IRQ, p->cap))
p->support_hw_irq = 1;
/* default server fd is the opened client fd */
p->client_type = type;
p->server = p->client;
p->batch_io = 0;
p->serv_ctx = NULL;
p->dev_cb = NULL;
p->bat_cmd.flag = 0;
p->bat_cmd.client = p->client;
p->bat_cmd.ret = 0;
p->req_max = MAX_REQ_NUM;
p->reqs = mpp_malloc(MppReqV1, p->req_max);
if (NULL == p->reqs) {
mpp_err("create request buffer failed\n");
ret = MPP_ERR_MALLOC;
}
p->reg_offset_max = MAX_REG_OFFSET;
p->reg_offset_info = mpp_malloc(RegOffsetInfo, p->reg_offset_max);
if (NULL == p->reg_offset_info) {
mpp_err("create register offset buffer failed\n");
ret = MPP_ERR_MALLOC;
}
p->reg_offset_pos = 0;
p->reg_offset_count = 0;
p->rcb_max = MAX_RCB_OFFSET;
p->rcb_info = mpp_malloc(RcbInfo, p->rcb_max);
if (NULL == p->rcb_info) {
mpp_err("create rcb info buffer failed\n");
ret = MPP_ERR_MALLOC;
}
p->rcb_pos = 0;
p->rcb_count = 0;
return ret;
}
MPP_RET mpp_service_deinit(void *ctx)
{
MppDevMppService *p = (MppDevMppService *)ctx;
if (p->batch_io)
mpp_server_detach(p);
if (p->client)
close(p->client);
MPP_FREE(p->reqs);
MPP_FREE(p->reg_offset_info);
MPP_FREE(p->rcb_info);
return MPP_OK;
}
MPP_RET mpp_service_attach(void *ctx)
{
MppDevMppService *p = (MppDevMppService *)ctx;
if (p->req_cnt) {
mpp_err_f("can not switch on bat mode when service working\n");
return MPP_NOK;
}
if (!p->batch_io)
mpp_server_attach(p);
return MPP_OK;
}
MPP_RET mpp_service_detach(void *ctx)
{
MppDevMppService *p = (MppDevMppService *)ctx;
if (p->req_cnt) {
mpp_err_f("can not switch off bat mode when service working\n");
return MPP_NOK;
}
if (p->batch_io)
mpp_server_detach(p);
return MPP_OK;
}
MPP_RET mpp_service_delimit(void *ctx)
{
MppDevMppService *p = (MppDevMppService *)ctx;
MppReqV1 *mpp_req = NULL;
/* set fd trans info if needed */
if (p->reg_offset_count) {
mpp_req = mpp_service_next_req(p);
mpp_req->cmd = MPP_CMD_SET_REG_ADDR_OFFSET;
mpp_req->flag = MPP_FLAGS_REG_OFFSET_ALONE;
mpp_req->size = (p->reg_offset_count) * sizeof(RegOffsetInfo);
mpp_req->offset = 0;
mpp_req->data_ptr = REQ_DATA_PTR(&p->reg_offset_info[p->reg_offset_pos]);
p->reg_offset_pos += p->reg_offset_count;
p->reg_offset_count = 0;
}
/* set rcb offst info if needed */
if (p->rcb_count) {
mpp_req = mpp_service_next_req(p);
mpp_req->cmd = MPP_CMD_SET_RCB_INFO;
mpp_req->flag = 0;
mpp_req->size = p->rcb_count * sizeof(RcbInfo);
mpp_req->offset = 0;
mpp_req->data_ptr = REQ_DATA_PTR(&p->rcb_info[p->rcb_pos]);
p->rcb_pos += p->rcb_count;
p->rcb_count = 0;
}
mpp_req = mpp_service_next_req(p);
mpp_req->cmd = MPP_CMD_SET_SESSION_FD;
mpp_req->flag = MPP_FLAGS_MULTI_MSG;
mpp_req->offset = 0;
mpp_req->size = sizeof(p->bat_cmd);
mpp_req->data_ptr = REQ_DATA_PTR(&p->bat_cmd);
return MPP_OK;
}
MPP_RET mpp_service_set_cb_ctx(void *ctx, MppCbCtx *cb_ctx)
{
MppDevMppService *p = (MppDevMppService *)ctx;
p->dev_cb = cb_ctx;
return MPP_OK;
}
MPP_RET mpp_service_reg_wr(void *ctx, MppDevRegWrCfg *cfg)
{
MppDevMppService *p = (MppDevMppService *)ctx;
MppReqV1 *mpp_req = mpp_service_next_req(p);
mpp_req->cmd = MPP_CMD_SET_REG_WRITE;
mpp_req->flag = 0;
mpp_req->size = cfg->size;
mpp_req->offset = cfg->offset;
mpp_req->data_ptr = REQ_DATA_PTR(cfg->reg);
return MPP_OK;
}
MPP_RET mpp_service_reg_rd(void *ctx, MppDevRegRdCfg *cfg)
{
MppDevMppService *p = (MppDevMppService *)ctx;
MppReqV1 *mpp_req = mpp_service_next_req(p);
mpp_req->cmd = MPP_CMD_SET_REG_READ;
mpp_req->flag = 0;
mpp_req->size = cfg->size;
mpp_req->offset = cfg->offset;
mpp_req->data_ptr = REQ_DATA_PTR(cfg->reg);
return MPP_OK;
}
MPP_RET mpp_service_reg_offset(void *ctx, MppDevRegOffsetCfg *cfg)
{
MppDevMppService *p = (MppDevMppService *)ctx;
RegOffsetInfo *info;
RK_S32 i;
if (!cfg->offset)
return MPP_OK;
if (p->reg_offset_count >= MAX_REG_OFFSET) {
mpp_err_f("reach max offset definition\n", MAX_REG_OFFSET);
return MPP_NOK;
}
for (i = 0; i < p->reg_offset_count; i++) {
info = &p->reg_offset_info[p->reg_offset_pos + i];
if (info->reg_idx == cfg->reg_idx) {
mpp_err_f("reg[%d] offset has been set, cover old %d -> %d\n",
info->reg_idx, info->offset, cfg->offset);
info->offset = cfg->offset;
return MPP_OK;
}
}
info = mpp_service_next_reg_offset(p);
info->reg_idx = cfg->reg_idx;
info->offset = cfg->offset;
return MPP_OK;
}
MPP_RET mpp_service_reg_offsets(void *ctx, MppDevRegOffCfgs *cfgs)
{
MppDevMppService *p = (MppDevMppService *)ctx;
RegOffsetInfo *info;
RK_S32 i;
if (cfgs->count <= 0)
return MPP_OK;
if (p->reg_offset_count >= MAX_REG_OFFSET ||
p->reg_offset_count + cfgs->count >= MAX_REG_OFFSET) {
mpp_err_f("reach max offset definition\n", MAX_REG_OFFSET);
return MPP_NOK;
}
for (i = 0; i < cfgs->count; i++) {
MppDevRegOffsetCfg *cfg = &cfgs->cfgs[i];
RK_S32 j;
for (j = 0; j < p->reg_offset_count; j++) {
info = &p->reg_offset_info[p->reg_offset_pos + j];
if (info->reg_idx == cfg->reg_idx) {
mpp_err_f("reg[%d] offset has been set, cover old %d -> %d\n",
info->reg_idx, info->offset, cfg->offset);
info->offset = cfg->offset;
continue;
}
}
info = mpp_service_next_reg_offset(p);;
info->reg_idx = cfg->reg_idx;
info->offset = cfg->offset;
}
return MPP_OK;
}
MPP_RET mpp_service_rcb_info(void *ctx, MppDevRcbInfoCfg *cfg)
{
MppDevMppService *p = (MppDevMppService *)ctx;
if (!p->support_set_rcb_info)
return MPP_OK;
if (p->rcb_count >= MAX_RCB_OFFSET) {
mpp_err_f("reach max offset definition\n", MAX_RCB_OFFSET);
return MPP_NOK;
}
RcbInfo *info = mpp_service_next_rcb_info(p);
info->reg_idx = cfg->reg_idx;
info->size = cfg->size;
return MPP_OK;
}
MPP_RET mpp_service_set_info(void *ctx, MppDevInfoCfg *cfg)
{
MppDevMppService *p = (MppDevMppService *)ctx;
if (!p->support_set_info)
return MPP_OK;
if (!p->info_count)
memset(p->info, 0, sizeof(p->info));
memcpy(&p->info[p->info_count], cfg, sizeof(MppDevInfoCfg));
p->info_count++;
return MPP_OK;
}
MPP_RET mpp_service_set_err_ref_hack(void *ctx, RK_U32 *enable)
{
MppDevMppService *p = (MppDevMppService *)ctx;
MppReqV1 mpp_req;
mpp_req.cmd = MPP_CMD_SET_ERR_REF_HACK;
mpp_req.flag = MPP_FLAGS_LAST_MSG;
mpp_req.size = sizeof(RK_U32);
mpp_req.offset = 0;
mpp_req.data_ptr = REQ_DATA_PTR(enable);
return mpp_service_ioctl_request(p->client, &mpp_req);
}
MPP_RET mpp_service_cmd_send(void *ctx)
{
MPP_RET ret = MPP_OK;
MppDevMppService *p = (MppDevMppService *)ctx;
if (p->req_cnt <= 0 || p->req_cnt > p->req_max) {
mpp_err_f("ctx %p invalid request count %d\n", ctx, p->req_cnt);
return MPP_ERR_VALUE;
}
if (p->info_count) {
if (p->support_set_info) {
MppReqV1 mpp_req;
mpp_req.cmd = MPP_CMD_SEND_CODEC_INFO;
mpp_req.flag = MPP_FLAGS_LAST_MSG;
mpp_req.size = p->info_count * sizeof(p->info[0]);
mpp_req.offset = 0;
mpp_req.data_ptr = REQ_DATA_PTR(p->info);
ret = mpp_service_ioctl_request(p->client, &mpp_req);
if (ret)
p->support_set_info = 0;
}
p->info_count = 0;
}
/* set fd trans info if needed */
if (p->reg_offset_count) {
MppReqV1 *mpp_req = mpp_service_next_req(p);
mpp_req->cmd = MPP_CMD_SET_REG_ADDR_OFFSET;
mpp_req->flag = MPP_FLAGS_REG_OFFSET_ALONE;
mpp_req->size = (p->reg_offset_count) * sizeof(RegOffsetInfo);
mpp_req->offset = 0;
mpp_req->data_ptr = REQ_DATA_PTR(&p->reg_offset_info[p->reg_offset_pos]);
p->reg_offset_pos += p->reg_offset_count;
}
/* set rcb offst info if needed */
if (p->rcb_count) {
MppReqV1 *mpp_req = mpp_service_next_req(p);
mpp_req->cmd = MPP_CMD_SET_RCB_INFO;
mpp_req->flag = 0;
mpp_req->size = p->rcb_count * sizeof(RcbInfo);
mpp_req->offset = 0;
mpp_req->data_ptr = REQ_DATA_PTR(&p->rcb_info[p->rcb_pos]);
p->rcb_pos += p->rcb_count;
}
/* setup flag for multi message request */
if (p->req_cnt > 1) {
RK_S32 i;
for (i = 0; i < p->req_cnt; i++)
p->reqs[i].flag |= MPP_FLAGS_MULTI_MSG;
}
p->reqs[p->req_cnt - 1].flag |= MPP_FLAGS_LAST_MSG | MPP_FLAGS_REG_OFFSET_ALONE;
if (p->batch_io) {
ret = mpp_server_send_task(ctx);
if (ret)
mpp_err_f("send task to server ret %d\n", ret);
} else {
ret = mpp_service_ioctl_request(p->server, &p->reqs[0]);
if (ret) {
mpp_err_f("ioctl MPP_IOC_CFG_V1 failed ret %d errno %d %s\n",
ret, errno, strerror(errno));
ret = errno;
}
}
p->req_cnt = 0;
p->reg_offset_count = 0;
p->reg_offset_pos = 0;
p->rcb_count = 0;
p->rcb_pos = 0;
p->rcb_count = 0;
return ret;
}
MPP_RET mpp_service_cmd_poll(void *ctx, MppDevPollCfg *cfg)
{
MppDevMppService *p = (MppDevMppService *)ctx;
MPP_RET ret = MPP_OK;
if (p->batch_io) {
ret = mpp_server_wait_task(ctx, 0);
} else {
MppReqV1 dev_req;
memset(&dev_req, 0, sizeof(dev_req));
if (p->support_hw_irq && cfg) {
dev_req.cmd = MPP_CMD_POLL_HW_IRQ;
dev_req.flag |= MPP_FLAGS_LAST_MSG | MPP_FLAGS_REG_OFFSET_ALONE;
dev_req.size = sizeof(*cfg) + cfg->count_max * sizeof(cfg->slice_info[0]);
dev_req.offset = 0;
dev_req.data_ptr = REQ_DATA_PTR(cfg);
} else {
dev_req.cmd = MPP_CMD_POLL_HW_FINISH;
dev_req.flag |= MPP_FLAGS_LAST_MSG | MPP_FLAGS_REG_OFFSET_ALONE;
if (cfg) {
mpp_assert(cfg->count_max);
if (cfg->count_max) {
cfg->count_ret = 1;
cfg->slice_info[0].val = 0;
cfg->slice_info[0].last = 1;
}
}
}
ret = mpp_service_ioctl_request(p->server, &dev_req);
if (ret) {
mpp_err_f("ioctl MPP_IOC_CFG_V1 failed ret %d errno %d %s\n",
ret, errno, strerror(errno));
ret = errno;
}
}
return ret;
}
const MppDevApi mpp_service_api = {
"mpp_service",
sizeof(MppDevMppService),
mpp_service_init,
mpp_service_deinit,
mpp_service_attach,
mpp_service_detach,
mpp_service_delimit,
mpp_service_set_cb_ctx,
mpp_service_reg_wr,
mpp_service_reg_rd,
mpp_service_reg_offset,
mpp_service_reg_offsets,
mpp_service_rcb_info,
mpp_service_set_info,
mpp_service_set_err_ref_hack,
mpp_service_cmd_send,
mpp_service_cmd_poll,
};
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