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