mirror of
https://github.com/torvalds/linux.git
synced 2025-11-04 10:40:15 +02:00
5bb4eea0c5
Link ID to be kept intact with MBIM session ID Ex: ID 0 should be associated to MBIM session ID 0. Reported-by: Loic Poulain <loic.poulain@linaro.org> Signed-off-by: M Chetan Kumar <m.chetan.kumar@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
101 lines
2.7 KiB
C
101 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only
|
|
*
|
|
* Copyright (C) 2020-21 Intel Corporation.
|
|
*/
|
|
|
|
#ifndef IOSM_IPC_IMEM_OPS_H
|
|
#define IOSM_IPC_IMEM_OPS_H
|
|
|
|
#include "iosm_ipc_mux_codec.h"
|
|
|
|
/* Maximum wait time for blocking read */
|
|
#define IPC_READ_TIMEOUT 500
|
|
|
|
/* The delay in ms for defering the unregister */
|
|
#define SIO_UNREGISTER_DEFER_DELAY_MS 1
|
|
|
|
/* Default delay till CP PSI image is running and modem updates the
|
|
* execution stage.
|
|
* unit : milliseconds
|
|
*/
|
|
#define PSI_START_DEFAULT_TIMEOUT 3000
|
|
|
|
/* Default time out when closing SIO, till the modem is in
|
|
* running state.
|
|
* unit : milliseconds
|
|
*/
|
|
#define BOOT_CHECK_DEFAULT_TIMEOUT 400
|
|
|
|
/* IP MUX channel range */
|
|
#define IP_MUX_SESSION_START 0
|
|
#define IP_MUX_SESSION_END 7
|
|
|
|
/* Default IP MUX channel */
|
|
#define IP_MUX_SESSION_DEFAULT 0
|
|
|
|
/**
|
|
* ipc_imem_sys_port_open - Open a port link to CP.
|
|
* @ipc_imem: Imem instance.
|
|
* @chl_id: Channel Indentifier.
|
|
* @hp_id: HP Indentifier.
|
|
*
|
|
* Return: channel instance on success, NULL for failure
|
|
*/
|
|
struct ipc_mem_channel *ipc_imem_sys_port_open(struct iosm_imem *ipc_imem,
|
|
int chl_id, int hp_id);
|
|
|
|
/**
|
|
* ipc_imem_sys_cdev_close - Release a sio link to CP.
|
|
* @ipc_cdev: iosm sio instance.
|
|
*/
|
|
void ipc_imem_sys_cdev_close(struct iosm_cdev *ipc_cdev);
|
|
|
|
/**
|
|
* ipc_imem_sys_cdev_write - Route the uplink buffer to CP.
|
|
* @ipc_cdev: iosm_cdev instance.
|
|
* @skb: Pointer to skb.
|
|
*
|
|
* Return: 0 on success and failure value on error
|
|
*/
|
|
int ipc_imem_sys_cdev_write(struct iosm_cdev *ipc_cdev, struct sk_buff *skb);
|
|
|
|
/**
|
|
* ipc_imem_sys_wwan_open - Open packet data online channel between network
|
|
* layer and CP.
|
|
* @ipc_imem: Imem instance.
|
|
* @if_id: ip link tag of the net device.
|
|
*
|
|
* Return: Channel ID on success and failure value on error
|
|
*/
|
|
int ipc_imem_sys_wwan_open(struct iosm_imem *ipc_imem, int if_id);
|
|
|
|
/**
|
|
* ipc_imem_sys_wwan_close - Close packet data online channel between network
|
|
* layer and CP.
|
|
* @ipc_imem: Imem instance.
|
|
* @if_id: IP link id net device.
|
|
* @channel_id: Channel ID to be closed.
|
|
*/
|
|
void ipc_imem_sys_wwan_close(struct iosm_imem *ipc_imem, int if_id,
|
|
int channel_id);
|
|
|
|
/**
|
|
* ipc_imem_sys_wwan_transmit - Function for transfer UL data
|
|
* @ipc_imem: Imem instance.
|
|
* @if_id: link ID of the device.
|
|
* @channel_id: Channel ID used
|
|
* @skb: Pointer to sk buffer
|
|
*
|
|
* Return: 0 on success and failure value on error
|
|
*/
|
|
int ipc_imem_sys_wwan_transmit(struct iosm_imem *ipc_imem, int if_id,
|
|
int channel_id, struct sk_buff *skb);
|
|
/**
|
|
* ipc_imem_wwan_channel_init - Initializes WWAN channels and the channel for
|
|
* MUX.
|
|
* @ipc_imem: Pointer to iosm_imem struct.
|
|
* @mux_type: Type of mux protocol.
|
|
*/
|
|
void ipc_imem_wwan_channel_init(struct iosm_imem *ipc_imem,
|
|
enum ipc_mux_protocol mux_type);
|
|
#endif
|