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