d22c0d2ec3
The server uses host support to export a USB device to a remote USBIP client. It supports control and bulk transfers, interrupt transfers may also work, but this depends on the host controller used. Signed-off-by: Johann Fischer <johann.fischer@nordicsemi.no>
125 lines
2.4 KiB
C
125 lines
2.4 KiB
C
/*
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* Copyright (c) 2021 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#define USBIP_PORT 3240
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#define USBIP_VERSION 0x0111U
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/* Retrieve the list of exported devices command code */
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#define USBIP_OP_REQ_DEVLIST 0x8005U
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/* Reply the list of exported devices command code */
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#define USBIP_OP_REP_DEVLIST 0x0005U
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/* Request to import a remote device command code */
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#define USBIP_OP_REQ_IMPORT 0x8003U
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/* Reply to import a remote device command code */
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#define USBIP_OP_REP_IMPORT 0x0003U
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/* Submit an URB command code */
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#define USBIP_CMD_SUBMIT 0x0001UL
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/* Reply for submitting an URB command code */
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#define USBIP_RET_SUBMIT 0x0003UL
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/* Unlink an URB command code */
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#define USBIP_CMD_UNLINK 0x0002UL
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/* Reply for unlink an URB command code */
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#define USBIP_RET_UNLINK 0x0004UL
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/* Command direction */
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#define USBIP_DIR_OUT 0UL
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#define USBIP_DIR_IN 1UL
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struct usbip_req_header {
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uint16_t version;
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uint16_t code;
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uint32_t status;
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} __packed;
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struct usbip_devlist_header {
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uint16_t version;
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uint16_t code;
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uint32_t status;
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uint32_t ndev;
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} __packed;
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struct usbip_devlist_data {
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char path[256];
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char busid[32];
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uint32_t busnum;
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uint32_t devnum;
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uint32_t speed;
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uint16_t idVendor;
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uint16_t idProduct;
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uint16_t bcdDevice;
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uint8_t bDeviceClass;
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uint8_t bDeviceSubClass;
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uint8_t bDeviceProtocol;
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uint8_t bConfigurationValue;
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uint8_t bNumConfigurations;
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uint8_t bNumInterfaces;
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} __packed;
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struct usbip_devlist_iface_data {
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uint8_t bInterfaceClass;
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uint8_t bInterfaceSubClass;
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uint8_t bInterfaceProtocol;
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uint8_t padding;
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} __packed;
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struct usbip_cmd_header {
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uint32_t command;
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uint32_t seqnum;
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uint32_t devid;
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uint32_t direction;
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uint32_t ep;
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} __packed;
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struct usbip_cmd_submit {
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uint32_t flags;
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uint32_t length;
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int32_t start_frame;
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int32_t numof_iso_pkts;
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int32_t interval;
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uint8_t setup[8];
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} __packed;
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struct usbip_cmd_unlink {
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uint32_t seqnum;
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uint32_t padding[6];
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} __packed;
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struct usbip_command {
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struct usbip_cmd_header hdr;
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union {
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struct usbip_cmd_submit submit;
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struct usbip_cmd_unlink unlink;
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};
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} __packed;
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struct usbip_ret_submit {
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int32_t status;
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uint32_t actual_length;
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int32_t start_frame;
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int32_t numof_iso_pkts;
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int32_t error_count;
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uint64_t setup;
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} __packed;
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struct usbip_ret_unlink {
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int32_t status;
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uint32_t padding[6];
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} __packed;
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struct usbip_return {
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struct usbip_cmd_header hdr;
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union {
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struct usbip_ret_submit submit;
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struct usbip_ret_unlink unlink;
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};
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} __packed;
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