/* SPDX-License-Identifier: GPL-2.0 */ #ifndef USB_STORAGE_COMMON_H #define USB_STORAGE_COMMON_H #include <linux/device.h> #include <linux/usb/storage.h> #include <scsi/scsi.h> #include <linux/unaligned.h> #ifndef DEBUG #undef VERBOSE_DEBUG #undef DUMP_MSGS #endif /* !DEBUG */ #ifdef VERBOSE_DEBUG #define VLDBG … #else #define VLDBG … #endif /* VERBOSE_DEBUG */ #define _LMSG(func, lun, fmt, args...) … #define LDBG(lun, fmt, args...) … #define LERROR(lun, fmt, args...) … #define LWARN(lun, fmt, args...) … #define LINFO(lun, fmt, args...) … #ifdef DUMP_MSGS #define dump_msg … #define dump_cdb … #else #define dump_msg(fsg, /* const char * */ label, \ /* const u8 * */ buf, /* unsigned */ length) … # ifdef VERBOSE_DEBUG #define dump_cdb(fsg) … \ # else #define dump_cdb … # endif /* VERBOSE_DEBUG */ #endif /* DUMP_MSGS */ /* Length of a SCSI Command Data Block */ #define MAX_COMMAND_SIZE … /* SCSI Sense Key/Additional Sense Code/ASC Qualifier values */ #define SS_NO_SENSE … #define SS_COMMUNICATION_FAILURE … #define SS_INVALID_COMMAND … #define SS_INVALID_FIELD_IN_CDB … #define SS_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE … #define SS_LOGICAL_UNIT_NOT_SUPPORTED … #define SS_MEDIUM_NOT_PRESENT … #define SS_MEDIUM_REMOVAL_PREVENTED … #define SS_NOT_READY_TO_READY_TRANSITION … #define SS_RESET_OCCURRED … #define SS_SAVING_PARAMETERS_NOT_SUPPORTED … #define SS_UNRECOVERED_READ_ERROR … #define SS_WRITE_ERROR … #define SS_WRITE_PROTECTED … #define SK(x) … #define ASC(x) … #define ASCQ(x) … /* * Vendor (8 chars), product (16 chars), release (4 hexadecimal digits) and NUL * byte */ #define INQUIRY_STRING_LEN … struct fsg_lun { … }; static inline bool fsg_lun_is_open(struct fsg_lun *curlun) { … } /* Default size of buffer length. */ #define FSG_BUFLEN … /* Maximal number of LUNs supported in mass storage function */ #define FSG_MAX_LUNS … enum fsg_buffer_state { … }; struct fsg_buffhd { … }; enum fsg_state { … }; enum data_direction { … }; static inline struct fsg_lun *fsg_lun_from_dev(struct device *dev) { … } enum { … }; extern struct usb_interface_descriptor fsg_intf_desc; extern struct usb_endpoint_descriptor fsg_fs_bulk_in_desc; extern struct usb_endpoint_descriptor fsg_fs_bulk_out_desc; extern struct usb_descriptor_header *fsg_fs_function[]; extern struct usb_endpoint_descriptor fsg_hs_bulk_in_desc; extern struct usb_endpoint_descriptor fsg_hs_bulk_out_desc; extern struct usb_descriptor_header *fsg_hs_function[]; extern struct usb_endpoint_descriptor fsg_ss_bulk_in_desc; extern struct usb_ss_ep_comp_descriptor fsg_ss_bulk_in_comp_desc; extern struct usb_endpoint_descriptor fsg_ss_bulk_out_desc; extern struct usb_ss_ep_comp_descriptor fsg_ss_bulk_out_comp_desc; extern struct usb_descriptor_header *fsg_ss_function[]; void fsg_lun_close(struct fsg_lun *curlun); int fsg_lun_open(struct fsg_lun *curlun, const char *filename); int fsg_lun_fsync_sub(struct fsg_lun *curlun); void store_cdrom_address(u8 *dest, int msf, u32 addr); ssize_t fsg_show_ro(struct fsg_lun *curlun, char *buf); ssize_t fsg_show_nofua(struct fsg_lun *curlun, char *buf); ssize_t fsg_show_file(struct fsg_lun *curlun, struct rw_semaphore *filesem, char *buf); ssize_t fsg_show_inquiry_string(struct fsg_lun *curlun, char *buf); ssize_t fsg_show_cdrom(struct fsg_lun *curlun, char *buf); ssize_t fsg_show_removable(struct fsg_lun *curlun, char *buf); ssize_t fsg_store_ro(struct fsg_lun *curlun, struct rw_semaphore *filesem, const char *buf, size_t count); ssize_t fsg_store_nofua(struct fsg_lun *curlun, const char *buf, size_t count); ssize_t fsg_store_file(struct fsg_lun *curlun, struct rw_semaphore *filesem, const char *buf, size_t count); ssize_t fsg_store_cdrom(struct fsg_lun *curlun, struct rw_semaphore *filesem, const char *buf, size_t count); ssize_t fsg_store_removable(struct fsg_lun *curlun, const char *buf, size_t count); ssize_t fsg_store_inquiry_string(struct fsg_lun *curlun, const char *buf, size_t count); ssize_t fsg_store_forced_eject(struct fsg_lun *curlun, struct rw_semaphore *filesem, const char *buf, size_t count); #endif /* USB_STORAGE_COMMON_H */
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