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author | Andrzej Pietrasiewicz <andrzej.p@samsung.com> | 2014-07-15 11:09:46 (GMT) |
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committer | Felipe Balbi <balbi@ti.com> | 2014-07-16 17:50:36 (GMT) |
commit | 00a2430ff07d4e0e0e7e24e02fd8adede333b797 (patch) | |
tree | fd6680b6a8941ac1a3149ae4b77f159701bb1a61 /drivers/usb/gadget/storage_common.h | |
parent | 90fccb529d241b55829701cfb9eb3086570f38b8 (diff) | |
download | linux-00a2430ff07d4e0e0e7e24e02fd8adede333b797.tar.xz |
usb: gadget: Gadget directory cleanup - group usb functions
The drivers/usb/gadget directory contains many files.
Files which are related can be distributed into separate directories.
This patch moves the USB functions implementations into a separate directory.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget/storage_common.h')
-rw-r--r-- | drivers/usb/gadget/storage_common.h | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/drivers/usb/gadget/storage_common.h b/drivers/usb/gadget/storage_common.h deleted file mode 100644 index 70c8914..0000000 --- a/drivers/usb/gadget/storage_common.h +++ /dev/null @@ -1,225 +0,0 @@ -#ifndef USB_STORAGE_COMMON_H -#define USB_STORAGE_COMMON_H - -#include <linux/device.h> -#include <linux/usb/storage.h> -#include <scsi/scsi.h> -#include <asm/unaligned.h> - -#ifndef DEBUG -#undef VERBOSE_DEBUG -#undef DUMP_MSGS -#endif /* !DEBUG */ - -#ifdef VERBOSE_DEBUG -#define VLDBG LDBG -#else -#define VLDBG(lun, fmt, args...) do { } while (0) -#endif /* VERBOSE_DEBUG */ - -#define _LMSG(func, lun, fmt, args...) \ - do { \ - if ((lun)->name_pfx && *(lun)->name_pfx) \ - func("%s/%s: " fmt, *(lun)->name_pfx, \ - (lun)->name, ## args); \ - else \ - func("%s: " fmt, (lun)->name, ## args); \ - } while (0) - -#define LDBG(lun, fmt, args...) _LMSG(pr_debug, lun, fmt, ## args) -#define LERROR(lun, fmt, args...) _LMSG(pr_err, lun, fmt, ## args) -#define LWARN(lun, fmt, args...) _LMSG(pr_warn, lun, fmt, ## args) -#define LINFO(lun, fmt, args...) _LMSG(pr_info, lun, fmt, ## args) - - -#ifdef DUMP_MSGS - -# define dump_msg(fsg, /* const char * */ label, \ - /* const u8 * */ buf, /* unsigned */ length) \ -do { \ - if (length < 512) { \ - DBG(fsg, "%s, length %u:\n", label, length); \ - print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, \ - 16, 1, buf, length, 0); \ - } \ -} while (0) - -# define dump_cdb(fsg) do { } while (0) - -#else - -# define dump_msg(fsg, /* const char * */ label, \ - /* const u8 * */ buf, /* unsigned */ length) do { } while (0) - -# ifdef VERBOSE_DEBUG - -# define dump_cdb(fsg) \ - print_hex_dump(KERN_DEBUG, "SCSI CDB: ", DUMP_PREFIX_NONE, \ - 16, 1, (fsg)->cmnd, (fsg)->cmnd_size, 0) \ - -# else - -# define dump_cdb(fsg) do { } while (0) - -# endif /* VERBOSE_DEBUG */ - -#endif /* DUMP_MSGS */ - -/* Length of a SCSI Command Data Block */ -#define MAX_COMMAND_SIZE 16 - -/* SCSI Sense Key/Additional Sense Code/ASC Qualifier values */ -#define SS_NO_SENSE 0 -#define SS_COMMUNICATION_FAILURE 0x040800 -#define SS_INVALID_COMMAND 0x052000 -#define SS_INVALID_FIELD_IN_CDB 0x052400 -#define SS_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE 0x052100 -#define SS_LOGICAL_UNIT_NOT_SUPPORTED 0x052500 -#define SS_MEDIUM_NOT_PRESENT 0x023a00 -#define SS_MEDIUM_REMOVAL_PREVENTED 0x055302 -#define SS_NOT_READY_TO_READY_TRANSITION 0x062800 -#define SS_RESET_OCCURRED 0x062900 -#define SS_SAVING_PARAMETERS_NOT_SUPPORTED 0x053900 -#define SS_UNRECOVERED_READ_ERROR 0x031100 -#define SS_WRITE_ERROR 0x030c02 -#define SS_WRITE_PROTECTED 0x072700 - -#define SK(x) ((u8) ((x) >> 16)) /* Sense Key byte, etc. */ -#define ASC(x) ((u8) ((x) >> 8)) -#define ASCQ(x) ((u8) (x)) - -struct fsg_lun { - struct file *filp; - loff_t file_length; - loff_t num_sectors; - - unsigned int initially_ro:1; - unsigned int ro:1; - unsigned int removable:1; - unsigned int cdrom:1; - unsigned int prevent_medium_removal:1; - unsigned int registered:1; - unsigned int info_valid:1; - unsigned int nofua:1; - - u32 sense_data; - u32 sense_data_info; - u32 unit_attention_data; - - unsigned int blkbits; /* Bits of logical block size - of bound block device */ - unsigned int blksize; /* logical block size of bound block device */ - struct device dev; - const char *name; /* "lun.name" */ - const char **name_pfx; /* "function.name" */ -}; - -static inline bool fsg_lun_is_open(struct fsg_lun *curlun) -{ - return curlun->filp != NULL; -} - -/* Default size of buffer length. */ -#define FSG_BUFLEN ((u32)16384) - -/* Maximal number of LUNs supported in mass storage function */ -#define FSG_MAX_LUNS 8 - -enum fsg_buffer_state { - BUF_STATE_EMPTY = 0, - BUF_STATE_FULL, - BUF_STATE_BUSY -}; - -struct fsg_buffhd { - void *buf; - enum fsg_buffer_state state; - struct fsg_buffhd *next; - - /* - * The NetChip 2280 is faster, and handles some protocol faults - * better, if we don't submit any short bulk-out read requests. - * So we will record the intended request length here. - */ - unsigned int bulk_out_intended_length; - - struct usb_request *inreq; - int inreq_busy; - struct usb_request *outreq; - int outreq_busy; -}; - -enum fsg_state { - /* This one isn't used anywhere */ - FSG_STATE_COMMAND_PHASE = -10, - FSG_STATE_DATA_PHASE, - FSG_STATE_STATUS_PHASE, - - FSG_STATE_IDLE = 0, - FSG_STATE_ABORT_BULK_OUT, - FSG_STATE_RESET, - FSG_STATE_INTERFACE_CHANGE, - FSG_STATE_CONFIG_CHANGE, - FSG_STATE_DISCONNECT, - FSG_STATE_EXIT, - FSG_STATE_TERMINATED -}; - -enum data_direction { - DATA_DIR_UNKNOWN = 0, - DATA_DIR_FROM_HOST, - DATA_DIR_TO_HOST, - DATA_DIR_NONE -}; - -static inline u32 get_unaligned_be24(u8 *buf) -{ - return 0xffffff & (u32) get_unaligned_be32(buf - 1); -} - -static inline struct fsg_lun *fsg_lun_from_dev(struct device *dev) -{ - return container_of(dev, struct fsg_lun, dev); -} - -enum { - FSG_STRING_INTERFACE -}; - -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_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); - -#endif /* USB_STORAGE_COMMON_H */ |