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/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2022-2023 Bjoern A. Zeeb
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _LINUXKPI_LINUX_SOC_QCOM_QMI_H
#define _LINUXKPI_LINUX_SOC_QCOM_QMI_H
/* QMI (Qualcomm MSM Interface) */
#include <linux/qrtr.h>
enum soc_qcom_qmi_data_type {
QMI_EOTI,
QMI_DATA_LEN,
QMI_OPT_FLAG,
QMI_UNSIGNED_1_BYTE,
QMI_UNSIGNED_2_BYTE,
QMI_UNSIGNED_4_BYTE,
QMI_UNSIGNED_8_BYTE,
QMI_SIGNED_4_BYTE_ENUM,
QMI_STRUCT,
QMI_STRING,
};
#define QMI_RESULT_SUCCESS_V01 __LINE__
#define QMI_INDICATION __LINE__
struct qmi_handle;
enum soc_qcom_qmi_array_type {
NO_ARRAY,
STATIC_ARRAY,
VAR_LEN_ARRAY,
};
/* Should this become an enum? */
#define QMI_COMMON_TLV_TYPE 0
struct qmi_elem_info {
enum soc_qcom_qmi_data_type data_type;
uint32_t elem_len;
uint32_t elem_size;
enum soc_qcom_qmi_array_type array_type;
uint8_t tlv_type;
uint32_t offset;
const struct qmi_elem_info *ei_array;
};
struct qmi_response_type_v01 {
uint16_t result;
uint16_t error;
};
struct qmi_txn {
};
struct qmi_service {
uint32_t node;
uint32_t port;
};
struct qmi_msg_handler {
uint32_t type;
uint32_t msg_id;
const struct qmi_elem_info *ei;
size_t decoded_size;
void (*fn)(struct qmi_handle *, struct sockaddr_qrtr *, struct qmi_txn *, const void *);
};
struct qmi_ops {
int (*new_server)(struct qmi_handle *, struct qmi_service *);
void (*del_server)(struct qmi_handle *, struct qmi_service *);
};
struct qmi_handle {
int sock;
const struct qmi_msg_handler *handler;
struct qmi_ops ops;
};
/* XXX-TODO need implementation somewhere... it is not in ath1xk* */
extern struct qmi_elem_info qmi_response_type_v01_ei[];
static inline int
qmi_handle_init(struct qmi_handle *handle, size_t resp_len_max,
const struct qmi_ops *ops, const struct qmi_msg_handler *handler)
{
handle->handler = handler;
if (ops != NULL)
handle->ops = *ops;
/* We will find out what else to do here. */
/* XXX TODO */
return (0);
}
static __inline int
qmi_add_lookup(struct qmi_handle *handle, uint32_t service, uint32_t version,
uint32_t service_ins_id)
{
/* XXX TODO */
return (0);
}
static __inline void
qmi_handle_release(struct qmi_handle *handle)
{
/* XXX TODO */
}
static __inline int
qmi_send_request(struct qmi_handle *handle, void *x, struct qmi_txn *txn,
uint32_t msd_id, size_t len, const struct qmi_elem_info *ei, void *req)
{
/* XXX TODO */
return (-ENXIO);
}
static __inline void
qmi_txn_cancel(struct qmi_txn *txn)
{
/* XXX TODO */
}
static __inline int
qmi_txn_init(struct qmi_handle *handle, struct qmi_txn *txn,
const struct qmi_elem_info *ei, void *resp)
{
/* XXX TODO */
return (-ENXIO);
}
static __inline int
qmi_txn_wait(struct qmi_txn *txn, uint64_t jiffies)
{
/* XXX TODO */
return (-ENXIO);
}
#endif /* _LINUXKPI_LINUX_SOC_QCOM_QMI_H */
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