1 /* 2 * Copyright (c) 2018 Intel Corporation 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 struct op_common { 8 uint16_t version; 9 uint16_t code; 10 uint32_t status; 11 } __packed; 12 13 struct devlist_device { 14 char path[256]; 15 char busid[32]; 16 17 uint32_t busnum; 18 uint32_t devnum; 19 uint32_t speed; 20 21 uint16_t idVendor; 22 uint16_t idProduct; 23 uint16_t bcdDevice; 24 25 uint8_t bDeviceClass; 26 uint8_t bDeviceSubClass; 27 uint8_t bDeviceProtocol; 28 uint8_t bConfigurationValue; 29 uint8_t bNumConfigurations; 30 uint8_t bNumInterfaces; 31 } __packed; 32 33 #define OP_REQUEST (0x80 << 8) 34 #define OP_REPLY (0x00 << 8) 35 36 /* Devlist */ 37 #define OP_DEVLIST 0x05 38 #define OP_REQ_DEVLIST (OP_REQUEST | OP_DEVLIST) 39 #define OP_REP_DEVLIST (OP_REPLY | OP_DEVLIST) 40 41 /* Import USB device */ 42 #define OP_IMPORT 0x03 43 #define OP_REQ_IMPORT (OP_REQUEST | OP_IMPORT) 44 #define OP_REP_IMPORT (OP_REPLY | OP_IMPORT) 45 46 /* USBIP requests */ 47 #define USBIP_CMD_SUBMIT 0x0001 48 #define USBIP_CMD_UNLINK 0x0002 49 #define USBIP_RET_SUBMIT 0x0003 50 #define USBIP_RET_UNLINK 0x0004 51 52 /* USBIP direction */ 53 #define USBIP_DIR_OUT 0x00 54 #define USBIP_DIR_IN 0x01 55 56 struct usbip_header_common { 57 uint32_t command; 58 uint32_t seqnum; 59 uint32_t devid; 60 uint32_t direction; 61 uint32_t ep; 62 } __packed; 63 64 struct usbip_submit { 65 uint32_t transfer_flags; 66 int32_t transfer_buffer_length; 67 int32_t start_frame; 68 int32_t number_of_packets; 69 int32_t interval; 70 uint8_t bmRequestType; 71 uint8_t bRequest; 72 uint16_t wValue; 73 uint16_t wIndex; 74 uint16_t wLength; 75 } __packed; 76 77 struct usbip_unlink { 78 uint32_t seqnum; 79 } __packed; 80 81 struct usbip_submit_rsp { 82 struct usbip_header_common common; 83 84 int32_t status; 85 int32_t actual_length; 86 int32_t start_frame; 87 int32_t number_of_packets; 88 int32_t error_count; 89 90 uint64_t setup; 91 } __packed; 92 93 struct usbip_header { 94 struct usbip_header_common common; 95 96 union { 97 struct usbip_submit submit; 98 struct usbip_unlink unlink; 99 } u; 100 } __packed; 101 102 /* Function definitions */ 103 104 int usbip_recv(uint8_t *buf, size_t len); 105 bool usbip_send_common(uint8_t ep, uint32_t data_len); 106 int usbip_send(uint8_t ep, const uint8_t *data, size_t len); 107 108 void usbip_start(void); 109 110 int handle_usb_control(struct usbip_header *hdr); 111 int handle_usb_data(struct usbip_header *hdr); 112
