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129 lines
4.9 KiB
C
129 lines
4.9 KiB
C
#ifndef USB_MSC_H
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#define USB_MSC_H
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#include <stdint.h>
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/* The sense codes */
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enum sbc_sense_key {
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SBC_SENSE_KEY_NO_SENSE = 0x00,
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SBC_SENSE_KEY_RECOVERED_ERROR = 0x01,
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SBC_SENSE_KEY_NOT_READY = 0x02,
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SBC_SENSE_KEY_MEDIUM_ERROR = 0x03,
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SBC_SENSE_KEY_HARDWARE_ERROR = 0x04,
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SBC_SENSE_KEY_ILLEGAL_REQUEST = 0x05,
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SBC_SENSE_KEY_UNIT_ATTENTION = 0x06,
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SBC_SENSE_KEY_DATA_PROTECT = 0x07,
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SBC_SENSE_KEY_BLANK_CHECK = 0x08,
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SBC_SENSE_KEY_VENDOR_SPECIFIC = 0x09,
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SBC_SENSE_KEY_COPY_ABORTED = 0x0A,
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SBC_SENSE_KEY_ABORTED_COMMAND = 0x0B,
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SBC_SENSE_KEY_VOLUME_OVERFLOW = 0x0D,
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SBC_SENSE_KEY_MISCOMPARE = 0x0E
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};
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enum sbc_asc {
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SBC_ASC_NO_ADDITIONAL_SENSE_INFORMATION = 0x00,
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SBC_ASC_PERIPHERAL_DEVICE_WRITE_FAULT = 0x03,
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SBC_ASC_LOGICAL_UNIT_NOT_READY = 0x04,
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SBC_ASC_UNRECOVERED_READ_ERROR = 0x11,
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SBC_ASC_INVALID_COMMAND_OPERATION_CODE = 0x20,
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SBC_ASC_LBA_OUT_OF_RANGE = 0x21,
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SBC_ASC_INVALID_FIELD_IN_CDB = 0x24,
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SBC_ASC_WRITE_PROTECTED = 0x27,
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SBC_ASC_NOT_READY_TO_READY_CHANGE = 0x28,
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SBC_ASC_FORMAT_ERROR = 0x31,
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SBC_ASC_MEDIUM_NOT_PRESENT = 0x3A
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};
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enum sbc_ascq {
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SBC_ASCQ_NA = 0x00,
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SBC_ASCQ_FORMAT_COMMAND_FAILED = 0x01,
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SBC_ASCQ_INITIALIZING_COMMAND_REQUIRED = 0x02,
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SBC_ASCQ_OPERATION_IN_PROGRESS = 0x07
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};
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/**
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* \brief SCSI Standard Inquiry data structure
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*/
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struct scsi_inquiry_data {
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uint8_t pq_pdt; /**< Peripheral Qual / Peripheral Dev Type */
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#define SCSI_INQ_PQ_CONNECTED 0x00 /**< Peripheral connected */
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#define SCSI_INQ_PQ_NOT_CONN 0x20 /**< Peripheral not connected */
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#define SCSI_INQ_PQ_NOT_SUPP 0x60 /**< Peripheral not supported */
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#define SCSI_INQ_DT_DIR_ACCESS 0x00 /**< Direct Access (SBC) */
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#define SCSI_INQ_DT_SEQ_ACCESS 0x01 /**< Sequential Access */
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#define SCSI_INQ_DT_PRINTER 0x02 /**< Printer */
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#define SCSI_INQ_DT_PROCESSOR 0x03 /**< Processor device */
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#define SCSI_INQ_DT_WRITE_ONCE 0x04 /**< Write-once device */
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#define SCSI_INQ_DT_CD_DVD 0x05 /**< CD/DVD device */
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#define SCSI_INQ_DT_OPTICAL 0x07 /**< Optical Memory */
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#define SCSI_INQ_DT_MC 0x08 /**< Medium Changer */
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#define SCSI_INQ_DT_ARRAY 0x0c /**< Storage Array Controller */
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#define SCSI_INQ_DT_ENCLOSURE 0x0d /**< Enclosure Services */
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#define SCSI_INQ_DT_RBC 0x0e /**< Simplified Direct Access */
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#define SCSI_INQ_DT_OCRW 0x0f /**< Optical card reader/writer */
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#define SCSI_INQ_DT_BCC 0x10 /**< Bridge Controller Commands */
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#define SCSI_INQ_DT_OSD 0x11 /**< Object-based Storage */
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#define SCSI_INQ_DT_NONE 0x1f /**< No Peripheral */
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uint8_t flags1; /**< Flags (byte 1) */
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#define SCSI_INQ_RMB 0x80 /**< Removable Medium */
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uint8_t version; /**< Version */
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#define SCSI_INQ_VER_NONE 0x00 /**< No standards conformance */
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#define SCSI_INQ_VER_SPC 0x03 /**< SCSI Primary Commands (link to SBC) */
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#define SCSI_INQ_VER_SPC2 0x04 /**< SCSI Primary Commands - 2 (link to SBC-2) */
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#define SCSI_INQ_VER_SPC3 0x05 /**< SCSI Primary Commands - 3 (link to SBC-2) */
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#define SCSI_INQ_VER_SPC4 0x06 /**< SCSI Primary Commands - 4 (link to SBC-3) */
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uint8_t flags3; /**< Flags (byte 3) */
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#define SCSI_INQ_NORMACA 0x20 /**< Normal ACA Supported */
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#define SCSI_INQ_HISUP 0x10 /**< Hierarchal LUN addressing */
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#define SCSI_INQ_RSP_SPC2 0x02 /**< SPC-2 / SPC-3 response format */
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uint8_t addl_len; /**< Additional Length (n-4) */
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#define SCSI_INQ_ADDL_LEN(tot) ((tot)-5) /**< Total length is \a tot */
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uint8_t flags5; /**< Flags (byte 5) */
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#define SCSI_INQ_SCCS 0x80
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uint8_t flags6; /**< Flags (byte 6) */
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#define SCSI_INQ_BQUE 0x80
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#define SCSI_INQ_ENCSERV 0x40
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#define SCSI_INQ_MULTIP 0x10
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#define SCSI_INQ_MCHGR 0x08
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#define SCSI_INQ_ADDR16 0x01
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uint8_t flags7; /**< Flags (byte 7) */
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#define SCSI_INQ_WBUS16 0x20
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#define SCSI_INQ_SYNC 0x10
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#define SCSI_INQ_LINKED 0x08
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#define SCSI_INQ_CMDQUE 0x02
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uint8_t vendor_id[8]; /**< T10 Vendor Identification */
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uint8_t product_id[16]; /**< Product Identification */
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uint8_t product_rev[4]; /**< Product Revision Level */
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} __attribute__((packed));
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/* Command Status Wrapper */
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#define CSW_SIGNATURE 0x53425355
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#define CSW_STATUS_SUCCESS 0
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#define CSW_STATUS_FAILED 1
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#define CSW_STATUS_PHASE_ERROR 2
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struct usb_msc_csw {
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uint32_t dCSWSignature;
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uint32_t dCSWTag;
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uint32_t dCSWDataResidue;
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uint8_t bCSWStatus;
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} __attribute__((packed));
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struct cbw {
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// 'USBC'
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uint8_t signature[4];
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uint32_t tag;
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uint32_t length;
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uint8_t flags;
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uint8_t lun;
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uint8_t cbLength;
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uint8_t data[0];
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};
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int usb_msc_setup(const struct usb_setup_request *setup);
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void usb_msc_in(void);
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void usb_msc_out(const void *data, size_t len);
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#endif // USB_MSC_H
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