/* SPDX-License-Identifier: GPL-2.0 */ /* * 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__ */