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101 lines
2.7 KiB
101 lines
2.7 KiB
/* SPDX-License-Identifier: GPL-2.0-only |
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* |
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* Copyright (C) 2020-21 Intel Corporation. |
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*/ |
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#ifndef IOSM_IPC_IMEM_OPS_H |
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#define IOSM_IPC_IMEM_OPS_H |
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#include "iosm_ipc_mux_codec.h" |
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/* Maximum wait time for blocking read */ |
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#define IPC_READ_TIMEOUT 500 |
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/* The delay in ms for defering the unregister */ |
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#define SIO_UNREGISTER_DEFER_DELAY_MS 1 |
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/* Default delay till CP PSI image is running and modem updates the |
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* execution stage. |
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* unit : milliseconds |
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*/ |
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#define PSI_START_DEFAULT_TIMEOUT 3000 |
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/* Default time out when closing SIO, till the modem is in |
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* running state. |
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* unit : milliseconds |
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*/ |
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#define BOOT_CHECK_DEFAULT_TIMEOUT 400 |
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/* IP MUX channel range */ |
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#define IP_MUX_SESSION_START 1 |
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#define IP_MUX_SESSION_END 8 |
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/* Default IP MUX channel */ |
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#define IP_MUX_SESSION_DEFAULT 1 |
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/** |
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* ipc_imem_sys_port_open - Open a port link to CP. |
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* @ipc_imem: Imem instance. |
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* @chl_id: Channel Indentifier. |
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* @hp_id: HP Indentifier. |
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* |
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* Return: channel instance on success, NULL for failure |
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*/ |
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struct ipc_mem_channel *ipc_imem_sys_port_open(struct iosm_imem *ipc_imem, |
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int chl_id, int hp_id); |
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/** |
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* ipc_imem_sys_cdev_close - Release a sio link to CP. |
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* @ipc_cdev: iosm sio instance. |
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*/ |
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void ipc_imem_sys_cdev_close(struct iosm_cdev *ipc_cdev); |
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/** |
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* ipc_imem_sys_cdev_write - Route the uplink buffer to CP. |
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* @ipc_cdev: iosm_cdev instance. |
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* @skb: Pointer to skb. |
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* |
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* Return: 0 on success and failure value on error |
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*/ |
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int ipc_imem_sys_cdev_write(struct iosm_cdev *ipc_cdev, struct sk_buff *skb); |
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/** |
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* ipc_imem_sys_wwan_open - Open packet data online channel between network |
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* layer and CP. |
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* @ipc_imem: Imem instance. |
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* @if_id: ip link tag of the net device. |
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* |
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* Return: Channel ID on success and failure value on error |
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*/ |
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int ipc_imem_sys_wwan_open(struct iosm_imem *ipc_imem, int if_id); |
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/** |
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* ipc_imem_sys_wwan_close - Close packet data online channel between network |
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* layer and CP. |
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* @ipc_imem: Imem instance. |
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* @if_id: IP link id net device. |
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* @channel_id: Channel ID to be closed. |
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*/ |
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void ipc_imem_sys_wwan_close(struct iosm_imem *ipc_imem, int if_id, |
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int channel_id); |
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/** |
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* ipc_imem_sys_wwan_transmit - Function for transfer UL data |
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* @ipc_imem: Imem instance. |
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* @if_id: link ID of the device. |
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* @channel_id: Channel ID used |
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* @skb: Pointer to sk buffer |
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* |
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* Return: 0 on success and failure value on error |
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*/ |
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int ipc_imem_sys_wwan_transmit(struct iosm_imem *ipc_imem, int if_id, |
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int channel_id, struct sk_buff *skb); |
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/** |
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* ipc_imem_wwan_channel_init - Initializes WWAN channels and the channel for |
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* MUX. |
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* @ipc_imem: Pointer to iosm_imem struct. |
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* @mux_type: Type of mux protocol. |
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*/ |
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void ipc_imem_wwan_channel_init(struct iosm_imem *ipc_imem, |
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enum ipc_mux_protocol mux_type); |
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#endif
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