| #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 |
| * |
| * Distributed under the terms of the GNU GPL, version two. |
| */ |
| |
| /* 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; /* of 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; /* should = '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 |
