57 lines
2.0 KiB
C
57 lines
2.0 KiB
C
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struct sd_data {
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int flags;
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#define SDVALID 0x02 /* PARAMS LOADED */
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#define SDINIT 0x04 /* device has been init'd */
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#define SDWAIT 0x08 /* device has someone waiting */
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#define SDHAVELABEL 0x10 /* have read the label */
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#define SDDOSPART 0x20 /* Have read the DOS partition table */
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#define SDWRITEPROT 0x40 /* Device in readonly mode (S/W)*/
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struct scsi_switch *sc_sw; /* address of scsi low level switch */
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struct scsi_xfer *freexfer; /* chain of free ones */
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struct buf sdbuf;
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int formatting; /* format lock */
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int ctlr; /* so they know which one we want */
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int targ; /* our scsi target ID */
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int lu; /* out scsi lu */
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long int ad_info; /* info about the adapter */
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int cmdscount; /* cmds allowed outstanding by board*/
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int wlabel; /* label is writable */
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struct disk_parms {
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u_char heads; /* Number of heads */
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u_short cyls; /* Number of cylinders */
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u_char sectors; /* Number of sectors/track */
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u_short secsiz; /* Number of bytes/sector */
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u_long disksize; /* total number sectors */
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} params;
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unsigned int sd_start_of_unix; /* unix vs dos partitions */
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struct disklabel disklabel;
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struct dos_partition dosparts[NDOSPART]; /* DOS view of disk */
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int partflags[MAXPARTITIONS]; /* per partition flags */
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#define SDOPEN 0x01
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int openparts; /* one bit for each open partition */
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int blockwait;
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};
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int sdattach(int, struct scsi_switch *, int, int);
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int sdopen(int);
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struct scsi_xfer *sd_get_xs(int, int);
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void sd_free_xs(int, struct scsi_xfer *, int);
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void sdminphys(struct buf *);
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int sdstrategy(struct buf *);
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void sdstart(int);
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int sd_done(int, struct scsi_xfer *);
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int sdioctl(dev_t, int, caddr_t, int);
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int sdgetdisklabel(u_char);
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int sd_size(int, int);
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int sd_test_unit_ready(int, int);
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void sd_dump();
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int sdsize(dev_t);
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int sd_interpret_sense(int, struct scsi_xfer *);
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int sd_scsi_cmd(int, struct scsi_generic *, int, u_char *, int, int, int);
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int sd_close(dev_t);
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int sd_get_parms(int, int);
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int sd_reassign_blocks(int, int);
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int sd_start_unit(int, int);
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int sd_prevent(int, int, int);
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