diff options
Diffstat (limited to 'scsi/pc_scsi_label.c')
| -rw-r--r-- | scsi/pc_scsi_label.c | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/scsi/pc_scsi_label.c b/scsi/pc_scsi_label.c deleted file mode 100644 index 9bbcbbf2..00000000 --- a/scsi/pc_scsi_label.c +++ /dev/null @@ -1,196 +0,0 @@ -/* - * Mach Operating System - * Copyright (c) 1993,1991,1990,1989 Carnegie Mellon University - * All Rights Reserved. - * - * Permission to use, copy, modify and distribute this software and its - * documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR - * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie Mellon - * the rights to redistribute these changes. - */ -/* This goes away as soon as we move it in the Ux server */ - - - -#include <mach/std_types.h> -#include <scsi/compat_30.h> -#include <scsi/scsi.h> -#include <scsi/scsi_defs.h> -#include <scsi/rz.h> -#include <scsi/rz_labels.h> -#include <sys/types.h> -#include <sys/ioctl.h> - -#if (NSCSI > 0) -#define LABEL_DEBUG(x,y) if (label_flag&x) y - -#include <i386at/disk.h> -#include <device/device_types.h> -#include <device/disk_status.h> - - -int scsi_abs_sec = -1; -int scsi_abs_count = -1; - -scsi_rw_abs(dev, data, rw, sec, count) - dev_t dev; -{ - io_req_t ior; - io_return_t error; - - io_req_alloc(ior,0); - ior->io_next = 0; - ior->io_unit = dev & (~(MAXPARTITIONS-1)); /* sort of */ - ior->io_unit |= PARTITION_ABSOLUTE; - ior->io_data = (io_buf_ptr_t)data; - ior->io_count = count; - ior->io_recnum = sec; - ior->io_error = 0; - if (rw == IO_READ) - ior->io_op = IO_READ; - else - ior->io_op = IO_WRITE; - scdisk_strategy(ior); - iowait(ior); - error = ior->io_error; - io_req_free(ior); - return(error); -} - -io_return_t -scsi_i386_get_status(dev, tgt, flavor, status, status_count) -int dev; -target_info_t *tgt; -int flavor; -dev_status_t status; -unsigned int *status_count; -{ - - switch (flavor) { - case V_GETPARMS: { - struct disklabel *lp = &tgt->dev_info.disk.l; - struct disk_parms *dp = (struct disk_parms *)status; - extern struct disklabel default_label; - int part = rzpartition(dev); - - if (*status_count < sizeof (struct disk_parms)/sizeof(int)) - return (D_INVALID_OPERATION); - dp->dp_type = DPT_WINI; - dp->dp_secsiz = lp->d_secsize; - if (lp->d_nsectors == default_label.d_nsectors && - lp->d_ntracks == default_label.d_ntracks && - lp->d_ncylinders == default_label.d_ncylinders) { - /* I guess there is nothing there */ - /* Well, then, Adaptec's like ... */ - dp->dp_sectors = 32; - dp->dp_heads = 64; - dp->dp_cyls = lp->d_secperunit / 64 / 32 ; - } else { - dp->dp_sectors = lp->d_nsectors; - dp->dp_heads = lp->d_ntracks; - dp->dp_cyls = lp->d_ncylinders; - } - - dp->dp_dossectors = 32; - dp->dp_dosheads = 64; - dp->dp_doscyls = lp->d_secperunit / 64 / 32; - dp->dp_ptag = 0; - dp->dp_pflag = 0; -/* !!! partition changes */ -printf("USING PARTIOION TABLE\n"); - dp->dp_pstartsec = lp->d_partitions[part].p_offset; - dp->dp_pnumsec = lp->d_partitions[part].p_size; - *status_count = sizeof(struct disk_parms)/sizeof(int); - break; - } - case V_RDABS: - if (*status_count < DEV_BSIZE/sizeof (int)) { - printf("RDABS bad size %x", *status_count); - return (D_INVALID_OPERATION); - } - if (scsi_rw_abs(dev, status, IO_READ, scsi_abs_sec, DEV_BSIZE) != D_SUCCESS) - return(D_INVALID_OPERATION); - *status_count = DEV_BSIZE/sizeof(int); - break; - case V_VERIFY: { - int count = scsi_abs_count * DEV_BSIZE; - int sec = scsi_abs_sec; - char *scsi_verify_buf; -#include "vm/vm_kern.h" - - (void) kmem_alloc(kernel_map, &scsi_verify_buf, PAGE_SIZE); - - *status = 0; - while (count > 0) { - int xcount = (count < PAGE_SIZE) ? count : PAGE_SIZE; - if (scsi_rw_abs(dev, scsi_verify_buf, IO_READ, sec, xcount) != D_SUCCESS) { - *status = BAD_BLK; - break; - } else { - count -= xcount; - sec += xcount / DEV_BSIZE; - } - } - (void) kmem_free(kernel_map, scsi_verify_buf, PAGE_SIZE); - *status_count = 1; - break; - } - default: - return(D_INVALID_OPERATION); - } - return D_SUCCESS; -} - -io_return_t -scsi_i386_set_status(dev, tgt, flavor, status, status_count) -int dev; -target_info_t *tgt; -int flavor; -int *status; -unsigned int status_count; -{ - io_req_t ior; - - switch (flavor) { - case V_SETPARMS: - printf("scsdisk_set_status: invalid flavor V_SETPARMS\n"); - return(D_INVALID_OPERATION); - break; - case V_REMOUNT: - tgt->flags &= ~TGT_ONLINE; - break; - case V_ABS: - scsi_abs_sec = status[0]; - if (status_count == 2) - scsi_abs_count = status[1]; - break; - case V_WRABS: - if (status_count < DEV_BSIZE/sizeof (int)) { - printf("RDABS bad size %x", status_count); - return (D_INVALID_OPERATION); - } - if (scsi_rw_abs(dev, status, IO_WRITE, scsi_abs_sec, DEV_BSIZE) != D_SUCCESS) - return(D_INVALID_OPERATION); - break; - default: - return(D_INVALID_OPERATION); - } - return D_SUCCESS; -} -#endif /* NSCSI > 0 */ - |