mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-22 18:44:44 +08:00
8f933b1043
This device driver allows accessing a HMC drive CD/DVD-ROM. It can be used in a LPAR and z/VM environment. Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Ralf Hoppe <rhoppe@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
/*
|
|
* SE/HMC Drive FTP Services
|
|
*
|
|
* Copyright IBM Corp. 2013
|
|
* Author(s): Ralf Hoppe (rhoppe@de.ibm.com)
|
|
*/
|
|
|
|
#ifndef __HMCDRV_FTP_H__
|
|
#define __HMCDRV_FTP_H__
|
|
|
|
#include <linux/types.h> /* size_t, loff_t */
|
|
|
|
/*
|
|
* HMC drive FTP Service max. length of path (w/ EOS)
|
|
*/
|
|
#define HMCDRV_FTP_FIDENT_MAX 192
|
|
|
|
/**
|
|
* enum hmcdrv_ftp_cmdid - HMC drive FTP commands
|
|
* @HMCDRV_FTP_NOOP: do nothing (only for probing)
|
|
* @HMCDRV_FTP_GET: read a file
|
|
* @HMCDRV_FTP_PUT: (over-) write a file
|
|
* @HMCDRV_FTP_APPEND: append to a file
|
|
* @HMCDRV_FTP_DIR: list directory long (ls -l)
|
|
* @HMCDRV_FTP_NLIST: list files, no directories (name list)
|
|
* @HMCDRV_FTP_DELETE: delete a file
|
|
* @HMCDRV_FTP_CANCEL: cancel operation (SCLP/LPAR only)
|
|
*/
|
|
enum hmcdrv_ftp_cmdid {
|
|
HMCDRV_FTP_NOOP = 0,
|
|
HMCDRV_FTP_GET = 1,
|
|
HMCDRV_FTP_PUT = 2,
|
|
HMCDRV_FTP_APPEND = 3,
|
|
HMCDRV_FTP_DIR = 4,
|
|
HMCDRV_FTP_NLIST = 5,
|
|
HMCDRV_FTP_DELETE = 6,
|
|
HMCDRV_FTP_CANCEL = 7
|
|
};
|
|
|
|
/**
|
|
* struct hmcdrv_ftp_cmdspec - FTP command specification
|
|
* @id: FTP command ID
|
|
* @ofs: offset in file
|
|
* @fname: filename (ASCII), null-terminated
|
|
* @buf: kernel-space transfer data buffer, 4k aligned
|
|
* @len: (max) number of bytes to transfer from/to @buf
|
|
*/
|
|
struct hmcdrv_ftp_cmdspec {
|
|
enum hmcdrv_ftp_cmdid id;
|
|
loff_t ofs;
|
|
const char *fname;
|
|
void __kernel *buf;
|
|
size_t len;
|
|
};
|
|
|
|
int hmcdrv_ftp_startup(void);
|
|
void hmcdrv_ftp_shutdown(void);
|
|
int hmcdrv_ftp_probe(void);
|
|
ssize_t hmcdrv_ftp_do(const struct hmcdrv_ftp_cmdspec *ftp);
|
|
ssize_t hmcdrv_ftp_cmd(char __kernel *cmd, loff_t offset,
|
|
char __user *buf, size_t len);
|
|
|
|
#endif /* __HMCDRV_FTP_H__ */
|