D7net
Home
Console
Upload
information
Create File
Create Folder
About
Tools
:
/
usr
/
src
/
linux-headers-6.8.0-101-generic
/
include
/
linux
/
usb
/
Filename :
storage.h
back
Copy
// SPDX-License-Identifier: GPL-2.0 #ifndef __LINUX_USB_STORAGE_H #define __LINUX_USB_STORAGE_H /* * linux/usb/storage.h * * Copyright Matthew Wilcox for Intel Corp, 2010 * * This file contains definitions taken from the * USB Mass Storage Class Specification Overview */ /* Storage subclass codes */ #define USB_SC_RBC 0x01 /* Typically, flash devices */ #define USB_SC_8020 0x02 /* CD-ROM */ #define USB_SC_QIC 0x03 /* QIC-157 Tapes */ #define USB_SC_UFI 0x04 /* Floppy */ #define USB_SC_8070 0x05 /* Removable media */ #define USB_SC_SCSI 0x06 /* Transparent */ #define USB_SC_LOCKABLE 0x07 /* Password-protected */ #define USB_SC_ISD200 0xf0 /* ISD200 ATA */ #define USB_SC_CYP_ATACB 0xf1 /* Cypress ATACB */ #define USB_SC_DEVICE 0xff /* Use device's value */ /* Storage protocol codes */ #define USB_PR_CBI 0x00 /* Control/Bulk/Interrupt */ #define USB_PR_CB 0x01 /* Control/Bulk w/o interrupt */ #define USB_PR_BULK 0x50 /* bulk only */ #define USB_PR_UAS 0x62 /* USB Attached SCSI */ #define USB_PR_USBAT 0x80 /* SCM-ATAPI bridge */ #define USB_PR_EUSB_SDDR09 0x81 /* SCM-SCSI bridge for SDDR-09 */ #define USB_PR_SDDR55 0x82 /* SDDR-55 (made up) */ #define USB_PR_DPCM_USB 0xf0 /* Combination CB/SDDR09 */ #define USB_PR_FREECOM 0xf1 /* Freecom */ #define USB_PR_DATAFAB 0xf2 /* Datafab chipsets */ #define USB_PR_JUMPSHOT 0xf3 /* Lexar Jumpshot */ #define USB_PR_ALAUDA 0xf4 /* Alauda chipsets */ #define USB_PR_KARMA 0xf5 /* Rio Karma */ #define USB_PR_DEVICE 0xff /* Use device's value */ /* * Bulk only data structures */ /* command block wrapper */ struct bulk_cb_wrap { __le32 Signature; /* contains 'USBC' */ __u32 Tag; /* unique per command id */ __le32 DataTransferLength; /* size of data */ __u8 Flags; /* direction in bit 0 */ __u8 Lun; /* LUN normally 0 */ __u8 Length; /* length of the CDB */ __u8 CDB[16]; /* max command */ }; #define US_BULK_CB_WRAP_LEN 31 #define US_BULK_CB_SIGN 0x43425355 /* spells out 'USBC' */ #define US_BULK_FLAG_IN (1 << 7) #define US_BULK_FLAG_OUT 0 /* command status wrapper */ struct bulk_cs_wrap { __le32 Signature; /* contains 'USBS' */ __u32 Tag; /* same as original command */ __le32 Residue; /* amount not transferred */ __u8 Status; /* see below */ }; #define US_BULK_CS_WRAP_LEN 13 #define US_BULK_CS_SIGN 0x53425355 /* spells out 'USBS' */ #define US_BULK_STAT_OK 0 #define US_BULK_STAT_FAIL 1 #define US_BULK_STAT_PHASE 2 /* bulk-only class specific requests */ #define US_BULK_RESET_REQUEST 0xff #define US_BULK_GET_MAX_LUN 0xfe #endif