170 lines
3.3 KiB
C
Executable file
170 lines
3.3 KiB
C
Executable file
#ifdef OS_linux
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#ifdef HAVE_SYS_SYSMACROS_H
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#include <sys/sysmacros.h>
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#ifndef MAJOR
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#define MAJOR(dev) major(dev)
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#endif /* MAJOR not defined */
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#ifndef MINOR
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#define MINOR(dev) minor(dev)
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#endif /* MINOR not defined */
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#else
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#include <linux/fs.h> /* get MAJOR/MINOR from Linux kernel */
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#ifndef major
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#define major(x) MAJOR(x)
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#endif
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#endif /* HAVE_SYS_SYSMACROS_H */
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#include <linux/fd.h>
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#include <linux/fdreg.h>
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#include <linux/major.h>
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typedef struct floppy_raw_cmd RawRequest_t;
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UNUSED(static inline void RR_INIT(struct floppy_raw_cmd *request))
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{
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request->data = 0;
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request->length = 0;
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request->cmd_count = 9;
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request->flags = FD_RAW_INTR | FD_RAW_NEED_SEEK | FD_RAW_NEED_DISK
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#ifdef FD_RAW_SOFTFAILUE
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| FD_RAW_SOFTFAILURE | FD_RAW_STOP_IF_FAILURE
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#endif
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;
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request->cmd[1] = 0;
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request->cmd[6] = 0;
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request->cmd[7] = 0x1b;
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request->cmd[8] = 0xff;
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request->reply_count = 0;
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}
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UNUSED(static inline void RR_SETRATE(struct floppy_raw_cmd *request, int rate))
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{
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request->rate = rate;
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}
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UNUSED(static inline void RR_SETDRIVE(struct floppy_raw_cmd *request,int drive))
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{
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request->cmd[1] = (request->cmd[1] & ~3) | (drive & 3);
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}
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UNUSED(static inline void RR_SETTRACK(struct floppy_raw_cmd *request,int track))
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{
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request->cmd[2] = track;
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}
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UNUSED(static inline void RR_SETPTRACK(struct floppy_raw_cmd *request,
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int track))
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{
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request->track = track;
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}
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UNUSED(static inline void RR_SETHEAD(struct floppy_raw_cmd *request, int head))
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{
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if(head)
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request->cmd[1] |= 4;
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else
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request->cmd[1] &= ~4;
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request->cmd[3] = head;
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}
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UNUSED(static inline void RR_SETSECTOR(struct floppy_raw_cmd *request,
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int sector))
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{
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request->cmd[4] = sector;
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request->cmd[6] = sector-1;
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}
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UNUSED(static inline void RR_SETSIZECODE(struct floppy_raw_cmd *request,
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int sizecode))
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{
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request->cmd[5] = sizecode;
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request->cmd[6]++;
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request->length += 128 << sizecode;
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}
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#if 0
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static inline void RR_SETEND(struct floppy_raw_cmd *request, int end)
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{
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request->cmd[6] = end;
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}
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#endif
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UNUSED(static inline void RR_SETDIRECTION(struct floppy_raw_cmd *request,
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int direction))
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{
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if(direction == MT_READ) {
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request->flags |= FD_RAW_READ;
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request->cmd[0] = FD_READ & ~0x80;
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} else {
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request->flags |= FD_RAW_WRITE;
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request->cmd[0] = FD_WRITE & ~0x80;
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}
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}
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UNUSED(static inline void RR_SETDATA(struct floppy_raw_cmd *request,
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caddr_t data))
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{
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request->data = data;
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}
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#if 0
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static inline void RR_SETLENGTH(struct floppy_raw_cmd *request, int length)
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{
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request->length += length;
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}
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#endif
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UNUSED(static inline void RR_SETCONT(struct floppy_raw_cmd *request))
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{
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#ifdef FD_RAW_MORE
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request->flags |= FD_RAW_MORE;
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#endif
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}
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UNUSED(static inline int RR_SIZECODE(struct floppy_raw_cmd *request))
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{
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return request->cmd[5];
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}
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UNUSED(static inline int RR_TRACK(struct floppy_raw_cmd *request))
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{
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return request->cmd[2];
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}
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UNUSED(static inline int GET_DRIVE(int fd))
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{
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struct stat statbuf;
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if (fstat(fd, &statbuf) < 0 ){
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perror("stat");
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return -1;
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}
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if (!S_ISBLK(statbuf.st_mode) ||
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MAJOR(statbuf.st_rdev) != FLOPPY_MAJOR)
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return -1;
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return MINOR( statbuf.st_rdev );
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}
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/* void print_message(RawRequest_t *raw_cmd,char *message);*/
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int send_one_cmd(int fd, RawRequest_t *raw_cmd, const char *message);
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int analyze_one_reply(RawRequest_t *raw_cmd, int *bytes, int do_print);
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#endif
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