1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * SE/HMC Drive FTP Services 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright IBM Corp. 2013 6*4882a593Smuzhiyun * Author(s): Ralf Hoppe (rhoppe@de.ibm.com) 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #ifndef __HMCDRV_FTP_H__ 10*4882a593Smuzhiyun #define __HMCDRV_FTP_H__ 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #include <linux/types.h> /* size_t, loff_t */ 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun /* 15*4882a593Smuzhiyun * HMC drive FTP Service max. length of path (w/ EOS) 16*4882a593Smuzhiyun */ 17*4882a593Smuzhiyun #define HMCDRV_FTP_FIDENT_MAX 192 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun /** 20*4882a593Smuzhiyun * enum hmcdrv_ftp_cmdid - HMC drive FTP commands 21*4882a593Smuzhiyun * @HMCDRV_FTP_NOOP: do nothing (only for probing) 22*4882a593Smuzhiyun * @HMCDRV_FTP_GET: read a file 23*4882a593Smuzhiyun * @HMCDRV_FTP_PUT: (over-) write a file 24*4882a593Smuzhiyun * @HMCDRV_FTP_APPEND: append to a file 25*4882a593Smuzhiyun * @HMCDRV_FTP_DIR: list directory long (ls -l) 26*4882a593Smuzhiyun * @HMCDRV_FTP_NLIST: list files, no directories (name list) 27*4882a593Smuzhiyun * @HMCDRV_FTP_DELETE: delete a file 28*4882a593Smuzhiyun * @HMCDRV_FTP_CANCEL: cancel operation (SCLP/LPAR only) 29*4882a593Smuzhiyun */ 30*4882a593Smuzhiyun enum hmcdrv_ftp_cmdid { 31*4882a593Smuzhiyun HMCDRV_FTP_NOOP = 0, 32*4882a593Smuzhiyun HMCDRV_FTP_GET = 1, 33*4882a593Smuzhiyun HMCDRV_FTP_PUT = 2, 34*4882a593Smuzhiyun HMCDRV_FTP_APPEND = 3, 35*4882a593Smuzhiyun HMCDRV_FTP_DIR = 4, 36*4882a593Smuzhiyun HMCDRV_FTP_NLIST = 5, 37*4882a593Smuzhiyun HMCDRV_FTP_DELETE = 6, 38*4882a593Smuzhiyun HMCDRV_FTP_CANCEL = 7 39*4882a593Smuzhiyun }; 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun /** 42*4882a593Smuzhiyun * struct hmcdrv_ftp_cmdspec - FTP command specification 43*4882a593Smuzhiyun * @id: FTP command ID 44*4882a593Smuzhiyun * @ofs: offset in file 45*4882a593Smuzhiyun * @fname: filename (ASCII), null-terminated 46*4882a593Smuzhiyun * @buf: kernel-space transfer data buffer, 4k aligned 47*4882a593Smuzhiyun * @len: (max) number of bytes to transfer from/to @buf 48*4882a593Smuzhiyun */ 49*4882a593Smuzhiyun struct hmcdrv_ftp_cmdspec { 50*4882a593Smuzhiyun enum hmcdrv_ftp_cmdid id; 51*4882a593Smuzhiyun loff_t ofs; 52*4882a593Smuzhiyun const char *fname; 53*4882a593Smuzhiyun void __kernel *buf; 54*4882a593Smuzhiyun size_t len; 55*4882a593Smuzhiyun }; 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun int hmcdrv_ftp_startup(void); 58*4882a593Smuzhiyun void hmcdrv_ftp_shutdown(void); 59*4882a593Smuzhiyun int hmcdrv_ftp_probe(void); 60*4882a593Smuzhiyun ssize_t hmcdrv_ftp_do(const struct hmcdrv_ftp_cmdspec *ftp); 61*4882a593Smuzhiyun ssize_t hmcdrv_ftp_cmd(char __kernel *cmd, loff_t offset, 62*4882a593Smuzhiyun char __user *buf, size_t len); 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun #endif /* __HMCDRV_FTP_H__ */ 65