65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* SE/HMC Drive FTP Services
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*
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* Copyright IBM Corp. 2013
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* Author(s): Ralf Hoppe (rhoppe@de.ibm.com)
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*/
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#ifndef __HMCDRV_FTP_H__
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#define __HMCDRV_FTP_H__
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#include <linux/types.h> /* size_t, loff_t */
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/*
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* HMC drive FTP Service max. length of path (w/ EOS)
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*/
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#define HMCDRV_FTP_FIDENT_MAX 192
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/**
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* enum hmcdrv_ftp_cmdid - HMC drive FTP commands
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* @HMCDRV_FTP_NOOP: do nothing (only for probing)
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* @HMCDRV_FTP_GET: read a file
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* @HMCDRV_FTP_PUT: (over-) write a file
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* @HMCDRV_FTP_APPEND: append to a file
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* @HMCDRV_FTP_DIR: list directory long (ls -l)
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* @HMCDRV_FTP_NLIST: list files, no directories (name list)
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* @HMCDRV_FTP_DELETE: delete a file
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* @HMCDRV_FTP_CANCEL: cancel operation (SCLP/LPAR only)
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*/
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enum hmcdrv_ftp_cmdid {
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HMCDRV_FTP_NOOP = 0,
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HMCDRV_FTP_GET = 1,
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HMCDRV_FTP_PUT = 2,
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HMCDRV_FTP_APPEND = 3,
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HMCDRV_FTP_DIR = 4,
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HMCDRV_FTP_NLIST = 5,
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HMCDRV_FTP_DELETE = 6,
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HMCDRV_FTP_CANCEL = 7
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};
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/**
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* struct hmcdrv_ftp_cmdspec - FTP command specification
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* @id: FTP command ID
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* @ofs: offset in file
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* @fname: filename (ASCII), null-terminated
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* @buf: kernel-space transfer data buffer, 4k aligned
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* @len: (max) number of bytes to transfer from/to @buf
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*/
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struct hmcdrv_ftp_cmdspec {
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enum hmcdrv_ftp_cmdid id;
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loff_t ofs;
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const char *fname;
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void __kernel *buf;
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size_t len;
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};
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int hmcdrv_ftp_startup(void);
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void hmcdrv_ftp_shutdown(void);
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int hmcdrv_ftp_probe(void);
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ssize_t hmcdrv_ftp_do(const struct hmcdrv_ftp_cmdspec *ftp);
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ssize_t hmcdrv_ftp_cmd(char __kernel *cmd, loff_t offset,
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char __user *buf, size_t len);
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#endif /* __HMCDRV_FTP_H__ */
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