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-rw-r--r--scsi/scsi_disk.c624
1 files changed, 0 insertions, 624 deletions
diff --git a/scsi/scsi_disk.c b/scsi/scsi_disk.c
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--- a/scsi/scsi_disk.c
+++ /dev/null
@@ -1,624 +0,0 @@
-/*
- * Mach Operating System
- * Copyright (c) 1991,1990 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.
- */
-/*
- * File: scsi_disk.c
- * Author: Alessandro Forin, Carnegie Mellon University
- * Date: 10/90
- *
- * Middle layer of the SCSI driver: SCSI protocol implementation
- *
- * This file contains code for SCSI commands for DISK devices.
- */
-
-#include <string.h>
-
-#include <mach/std_types.h>
-#include <scsi/compat_30.h>
-
-#include <scsi/scsi.h>
-#include <scsi/scsi2.h>
-#include <scsi/scsi_defs.h>
-
-#if (NSCSI > 0)
-
-
-char *scdisk_name(internal)
- boolean_t internal;
-{
- return internal ? "rz" : "disk";
-}
-
-/*
- * SCSI commands partially specific to disks
- */
-void scdisk_read( tgt, secno, ior)
- register target_info_t *tgt;
- register unsigned int secno;
- io_req_t ior;
-{
- scsi_cmd_read_t *cmd;
- register unsigned len;
- unsigned int max_dma_data;
-
- max_dma_data = scsi_softc[(unsigned char)tgt->masterno]->max_dma_data;
-
- len = ior->io_count;
- if (len > max_dma_data)
- len = max_dma_data;
- if (len < tgt->block_size)
- len = tgt->block_size;
-
- cmd = (scsi_cmd_read_t*) (tgt->cmd_ptr);
- cmd->scsi_cmd_code = SCSI_CMD_READ;
- cmd->scsi_cmd_lun_and_lba1 = (secno>>16)&SCSI_LBA_MASK;
- cmd->scsi_cmd_lba2 = (secno>> 8)&0xff;
- cmd->scsi_cmd_lba3 = (secno )&0xff;
- cmd->scsi_cmd_xfer_len = len / tgt->block_size;
- cmd->scsi_cmd_ctrl_byte = 0; /* not linked */
-
- tgt->cur_cmd = SCSI_CMD_READ;
-
- scsi_go(tgt, sizeof(*cmd), len, FALSE);
-}
-
-void scdisk_write( tgt, secno, ior)
- register target_info_t *tgt;
- register unsigned int secno;
- io_req_t ior;
-{
- scsi_cmd_write_t *cmd;
- unsigned len; /* in bytes */
- unsigned int max_dma_data;
-
- max_dma_data = scsi_softc[(unsigned char)tgt->masterno]->max_dma_data;
-
- len = ior->io_count;
- if (len > max_dma_data)
- len = max_dma_data;
- if (len < tgt->block_size)
- len = tgt->block_size;
-
- cmd = (scsi_cmd_write_t*) (tgt->cmd_ptr);
- cmd->scsi_cmd_code = SCSI_CMD_WRITE;
- cmd->scsi_cmd_lun_and_lba1 = (secno>>16)&SCSI_LBA_MASK;
- cmd->scsi_cmd_lba2 = (secno>> 8)&0xff;
- cmd->scsi_cmd_lba3 = (secno )&0xff;
- cmd->scsi_cmd_xfer_len = len / tgt->block_size;
- cmd->scsi_cmd_ctrl_byte = 0; /* not linked */
-
- tgt->cur_cmd = SCSI_CMD_WRITE;
-
- scsi_go(tgt, sizeof(*cmd), 0, FALSE);
-}
-
-
-int scdisk_mode_select(tgt, lbn, ior, mdata, mlen, save)
- register target_info_t *tgt;
- register int lbn;
- io_req_t ior;
- char *mdata;
- int mlen, save;
-{
- scsi_cmd_mode_select_t *cmd;
- scsi_mode_select_param_t *parm;
-
- bzero(tgt->cmd_ptr, sizeof(*cmd) + sizeof(*parm));
- cmd = (scsi_cmd_mode_select_t*) (tgt->cmd_ptr);
- cmd->scsi_cmd_code = SCSI_CMD_MODE_SELECT;
- cmd->scsi_cmd_lun_and_lba1 = SCSI_CMD_MSL_PF; /* XXX only if... */
- cmd->scsi_cmd_xfer_len = sizeof(scsi_mode_select_param_t);/* no vuq */
-
- parm = (scsi_mode_select_param_t*) (cmd + 1);
- if (mdata) {
- cmd->scsi_cmd_xfer_len = mlen;
- bcopy(mdata, (char*)parm, mlen);
- if (save)
- cmd->scsi_cmd_lun_and_lba1 |= SCSI_CMD_MSL_SP;
- } else {
- /* parm->medium_type = if (floppy)disk.. */
- parm->desc_len = 8;
- /* this really is the LBN */
- parm->descs[0].density_code = 0;/* XXX default XXX */
- parm->descs[0].reclen1 = (lbn>>16)&0xff;
- parm->descs[0].reclen2 = (lbn>> 8)&0xff;
- parm->descs[0].reclen3 = (lbn )&0xff;
- mlen = sizeof(*parm);
- }
-
- tgt->cur_cmd = SCSI_CMD_MODE_SELECT;
-
- scsi_go_and_wait(tgt, sizeof(*cmd) + mlen, 0, ior);
-
- return tgt->done;
-}
-
-/*
- * SCSI commands fully specific to disks
- */
-int scsi_read_capacity( tgt, lbn, ior)
- register target_info_t *tgt;
- int lbn;
- io_req_t ior;
-{
- scsi_cmd_read_capacity_t *cmd;
-
- bzero(tgt->cmd_ptr, sizeof(*cmd));
- cmd = (scsi_cmd_read_capacity_t*) (tgt->cmd_ptr);
- cmd->scsi_cmd_code = SCSI_CMD_READ_CAPACITY;
- /* all zeroes, unless... */
- if (lbn) {
- cmd->scsi_cmd_rcap_flags = SCSI_CMD_RCAP_PMI;
- cmd->scsi_cmd_lba1 = (lbn>>24);
- cmd->scsi_cmd_lba2 = (lbn>>16)&0xff;
- cmd->scsi_cmd_lba3 = (lbn>> 8)&0xff;
- cmd->scsi_cmd_lba4 = (lbn )&0xff;
- }
-
- tgt->cur_cmd = SCSI_CMD_READ_CAPACITY;
-
- scsi_go_and_wait(tgt, sizeof(*cmd), sizeof(scsi_rcap_data_t),ior);
-
- return tgt->done;
-}
-
-void scsi_reassign_blocks( tgt, defect_list, n_defects, ior)
- register target_info_t *tgt;
- unsigned int *defect_list; /* In ascending order ! */
- int n_defects;
- io_req_t ior;
-{
- scsi_cmd_reassign_blocks_t *cmd;
- scsi_Ldefect_data_t *parm;
-
- cmd = (scsi_cmd_reassign_blocks_t*) (tgt->cmd_ptr);
- cmd->scsi_cmd_code = SCSI_CMD_REASSIGN_BLOCKS;
- cmd->scsi_cmd_lun_and_lba1 = 0;
- cmd->scsi_cmd_lba2 = 0;
- cmd->scsi_cmd_lba3 = 0;
- cmd->scsi_cmd_xfer_len = 0;
- cmd->scsi_cmd_ctrl_byte = 0; /* not linked */
-
- parm = (scsi_Ldefect_data_t *) (cmd + 1);
- parm->res1 = parm->res2 = 0;
- n_defects *= 4; /* in 4-byte-ints */
- parm->list_len_msb = n_defects >> 8;
- parm->list_len_lsb = n_defects;
- bcopy((char*)defect_list, (char*)parm->defects, n_defects);
-
- tgt->cur_cmd = SCSI_CMD_REASSIGN_BLOCKS;
-
- scsi_go(tgt, sizeof(*cmd) + sizeof(*parm) + (n_defects - 4), 0, FALSE);
-}
-
-void scsi_medium_removal( tgt, allow, ior)
- register target_info_t *tgt;
- boolean_t allow;
- io_req_t ior;
-{
- scsi_cmd_medium_removal_t *cmd;
-
- cmd = (scsi_cmd_medium_removal_t*) (tgt->cmd_ptr);
- cmd->scsi_cmd_code = SCSI_CMD_PREVENT_ALLOW_REMOVAL;
- cmd->scsi_cmd_lun_and_lba1 = 0;
- cmd->scsi_cmd_lba2 = 0;
- cmd->scsi_cmd_lba3 = 0;
- cmd->scsi_cmd_pa_prevent = allow ? 0 : 1;
- cmd->scsi_cmd_ctrl_byte = 0; /* not linked */
-
-
- tgt->cur_cmd = SCSI_CMD_PREVENT_ALLOW_REMOVAL;
-
- scsi_go_and_wait(tgt, sizeof(*cmd), 0, ior);
-}
-
-int scsi_format_unit( tgt, mode, vuqe, intlv, ior)
- register target_info_t *tgt;
- int mode, vuqe;
- register unsigned int intlv;
- io_req_t ior;
-{
- scsi_cmd_format_t *cmd;
- char *parms;
-
- cmd = (scsi_cmd_format_t*) (tgt->cmd_ptr);
- cmd->scsi_cmd_code = SCSI_CMD_FORMAT_UNIT;
- cmd->scsi_cmd_lun_and_lba1 =
- mode & (SCSI_CMD_FMT_FMTDATA|SCSI_CMD_FMT_CMPLIST|SCSI_CMD_FMT_LIST_TYPE);
- cmd->scsi_cmd_lba2 = vuqe;
- cmd->scsi_cmd_lba3 = intlv >> 8;
- cmd->scsi_cmd_xfer_len = intlv;
- cmd->scsi_cmd_ctrl_byte = 0; /* not linked */
-
- parms = (char*) cmd + 1;
- if (ior->io_count)
- bcopy(ior->io_data, parms, ior->io_count);
- else
- bzero(parms, 0xff - sizeof(*cmd));
-
- tgt->cur_cmd = SCSI_CMD_FORMAT_UNIT;
-
- scsi_go_and_wait(tgt, sizeof(*cmd) + ior->io_count, 0, ior);
- return tgt->done;
-}
-
-
-/* Group 1 Commands */
-
-void scsi_long_read( tgt, secno, ior)
- register target_info_t *tgt;
- register unsigned int secno;
- io_req_t ior;
-{
- scsi_cmd_long_read_t *cmd;
- register unsigned len, n_blks;
- unsigned int max_dma_data;
-
- max_dma_data = scsi_softc[(unsigned char)tgt->masterno]->max_dma_data;
-
- len = ior->io_count;
- if (len > max_dma_data)
- len = max_dma_data;
- if (len < tgt->block_size)
- len = tgt->block_size;
- n_blks = len /tgt->block_size;
-
- cmd = (scsi_cmd_long_read_t*) (tgt->cmd_ptr);
- cmd->scsi_cmd_code = SCSI_CMD_LONG_READ;
- cmd->scsi_cmd_lun_and_relbit = 0;
- cmd->scsi_cmd_lba1 = secno >> 24;
- cmd->scsi_cmd_lba2 = secno >> 16;
- cmd->scsi_cmd_lba3 = secno >> 8;
- cmd->scsi_cmd_lba4 = secno;
- cmd->scsi_cmd_xxx = 0;
- cmd->scsi_cmd_xfer_len_1 = n_blks >> 8;
- cmd->scsi_cmd_xfer_len_2 = n_blks;
- cmd->scsi_cmd_ctrl_byte = 0; /* not linked */
-
- tgt->cur_cmd = SCSI_CMD_LONG_READ;
-
- scsi_go(tgt, sizeof(*cmd), len, FALSE);
-}
-
-void scsi_long_write( tgt, secno, ior)
- register target_info_t *tgt;
- register unsigned int secno;
- io_req_t ior;
-{
- scsi_cmd_long_write_t *cmd;
- unsigned len; /* in bytes */
- unsigned int max_dma_data, n_blks;
-
- max_dma_data = scsi_softc[(unsigned char)tgt->masterno]->max_dma_data;
-
- len = ior->io_count;
- if (len > max_dma_data)
- len = max_dma_data;
- if (len < tgt->block_size)
- len = tgt->block_size;
- n_blks = len /tgt->block_size;
-
- cmd = (scsi_cmd_long_write_t*) (tgt->cmd_ptr);
- cmd->scsi_cmd_code = SCSI_CMD_LONG_WRITE;
- cmd->scsi_cmd_lun_and_relbit = 0;
- cmd->scsi_cmd_lba1 = secno >> 24;
- cmd->scsi_cmd_lba2 = secno >> 16;
- cmd->scsi_cmd_lba3 = secno >> 8;
- cmd->scsi_cmd_lba4 = secno;
- cmd->scsi_cmd_xxx = 0;
- cmd->scsi_cmd_xfer_len_1 = n_blks >> 8;
- cmd->scsi_cmd_xfer_len_2 = n_blks;
- cmd->scsi_cmd_ctrl_byte = 0; /* not linked */
-
- tgt->cur_cmd = SCSI_CMD_LONG_WRITE;
-
- scsi_go(tgt, sizeof(*cmd), 0, FALSE);
-}
-
-int scdisk_verify( tgt, secno, nsectrs, ior)
- register target_info_t *tgt;
- int secno, nsectrs;
- io_req_t ior;
-{
- scsi_cmd_verify_long_t *cmd;
- int len;
-
- len = ior->io_count;
-
- cmd = (scsi_cmd_verify_long_t*) (tgt->cmd_ptr);
- cmd->scsi_cmd_code = SCSI_CMD_VERIFY_1;
- cmd->scsi_cmd_lun_and_relbit = len ? SCSI_CMD_VFY_BYTCHK : 0;
- cmd->scsi_cmd_lba1 = secno >> 24;
- cmd->scsi_cmd_lba2 = secno >> 16;
- cmd->scsi_cmd_lba3 = secno >> 8;
- cmd->scsi_cmd_lba4 = secno;
- cmd->scsi_cmd_xxx = 0;
- cmd->scsi_cmd_xfer_len_1 = (nsectrs) >> 8;
- cmd->scsi_cmd_xfer_len_2 = nsectrs;
- cmd->scsi_cmd_ctrl_byte = 0; /* not linked */
-
- tgt->cur_cmd = SCSI_CMD_VERIFY_1;
-
- scsi_go_and_wait(tgt, sizeof(*cmd) + len, 0, ior);
- return tgt->done;
-}
-
-
-int scsi_read_defect( tgt, mode, ior)
- register target_info_t *tgt;
- register unsigned int mode;
- io_req_t ior;
-{
- scsi_cmd_long_read_t *cmd;
- register unsigned len;
-
- len = ior->io_count;
- if (len > 0xffff)
- len = 0xffff;
-
- cmd = (scsi_cmd_read_defect_t*) (tgt->cmd_ptr);
- cmd->scsi_cmd_code = SCSI_CMD_READ_DEFECT_DATA;
- cmd->scsi_cmd_lun_and_relbit = 0;
- cmd->scsi_cmd_lba1 = mode & 0x1f;
- cmd->scsi_cmd_lba2 = 0;
- cmd->scsi_cmd_lba3 = 0;
- cmd->scsi_cmd_lba4 = 0;
- cmd->scsi_cmd_xxx = 0;
- cmd->scsi_cmd_xfer_len_1 = (len) >> 8;
- cmd->scsi_cmd_xfer_len_2 = (len);
- cmd->scsi_cmd_ctrl_byte = 0; /* not linked */
-
- /* ++ HACK Alert */
-/* tgt->cur_cmd = SCSI_CMD_READ_DEFECT_DATA;*/
- tgt->cur_cmd = SCSI_CMD_LONG_READ;
- /* -- HACK Alert */
-
- scsi_go(tgt, sizeof(*cmd), len, FALSE);
- iowait(ior);
- return tgt->done;
-}
-
-
-#if 0 /* unused commands */
-scsi_rezero_unit( tgt, ior)
- register target_info_t *tgt;
- io_req_t ior;
-{
- scsi_cmd_rezero_t *cmd;
-
- cmd = (scsi_cmd_rezero_t*) (tgt->cmd_ptr);
- cmd->scsi_cmd_code = SCSI_CMD_REZERO_UNIT;
- cmd->scsi_cmd_lun_and_lba1 = 0;
- cmd->scsi_cmd_lba2 = 0;
- cmd->scsi_cmd_lba3 = 0;
- cmd->scsi_cmd_xfer_len = 0;
- cmd->scsi_cmd_ctrl_byte = 0; /* not linked */
-
-
- tgt->cur_cmd = SCSI_CMD_REZERO_UNIT;
-
- scsi_go_and_wait(tgt, sizeof(*cmd), 0, ior);
-
-}
-
-scsi_seek( tgt, where, ior)
- register target_info_t *tgt;
- register unsigned int where;
- io_req_t ior;
-{
- scsi_cmd_seek_t *cmd;
-
- cmd = (scsi_cmd_seek_t*) (tgt->cmd_ptr);
- cmd->scsi_cmd_code = SCSI_CMD_SEEK;
- cmd->scsi_cmd_lun_and_lba1 = (where >> 16) & 0x1f;
- cmd->scsi_cmd_lba2 = where >> 8;
- cmd->scsi_cmd_lba3 = where;
- cmd->scsi_cmd_xfer_len = 0;
- cmd->scsi_cmd_ctrl_byte = 0; /* not linked */
-
-
- tgt->cur_cmd = SCSI_CMD_SEEK;
-
- scsi_go_and_wait(tgt, sizeof(*cmd), 0, ior);
-
-}
-
-scsi_reserve( tgt, len, id, mode, ior)
- register target_info_t *tgt;
- register unsigned int len;
- unsigned char id;
- io_req_t ior;
-{
- scsi_cmd_reserve_t *cmd;
-
- cmd = (scsi_cmd_reserve_t*) (tgt->cmd_ptr);
- cmd->scsi_cmd_code = SCSI_CMD_RESERVE;
- cmd->scsi_cmd_lun_and_lba1 = mode & 0x1f;
- cmd->scsi_cmd_reserve_id = id;
- cmd->scsi_cmd_extent_llen1 = len >> 8;
- cmd->scsi_cmd_extent_llen2 = len;
- cmd->scsi_cmd_ctrl_byte = 0; /* not linked */
-
-
- tgt->cur_cmd = SCSI_CMD_RESERVE;
-
- scsi_go_and_wait(tgt, sizeof(*cmd), 0, ior);
-
-}
-
-scsi_release( tgt, id, mode, ior)
- register target_info_t *tgt;
- unsigned char id, mode;
- io_req_t ior;
-{
- scsi_cmd_release_t *cmd;
-
- cmd = (scsi_cmd_release_t*) (tgt->cmd_ptr);
- cmd->scsi_cmd_code = SCSI_CMD_RELEASE;
- cmd->scsi_cmd_lun_and_lba1 = mode & 0x1f;
- cmd->scsi_cmd_reserve_id = id;
- cmd->scsi_cmd_lba3 = 0;
- cmd->scsi_cmd_xfer_len = 0;
- cmd->scsi_cmd_ctrl_byte = 0; /* not linked */
-
-
- tgt->cur_cmd = SCSI_CMD_RELEASE;
-
- scsi_go_and_wait(tgt, sizeof(*cmd), 0, ior);
-
-}
-
-
-/* Group 1 Commands */
-
-scsi_long_seek( tgt, secno, ior)
- register target_info_t *tgt;
- io_req_t ior;
-{
- scsi_cmd_long_seek_t *cmd;
-
- cmd = (scsi_cmd_long_seek_t*) (tgt->cmd_ptr);
- cmd->scsi_cmd_code = SCSI_CMD_LONG_SEEK;
- cmd->scsi_cmd_lun_and_relbit = 0;
- cmd->scsi_cmd_lba1 = secno >> 24;
- cmd->scsi_cmd_lba2 = secno >> 16;
- cmd->scsi_cmd_lba3 = secno >> 8;
- cmd->scsi_cmd_lba4 = secno;
- cmd->scsi_cmd_xxx = 0;
- cmd->scsi_cmd_xfer_len_1 = 0;
- cmd->scsi_cmd_xfer_len_2 = 0;
- cmd->scsi_cmd_ctrl_byte = 0; /* not linked */
-
- tgt->cur_cmd = SCSI_CMD_LONG_SEEK;
-
- scsi_go(tgt, sizeof(*cmd), 0, FALSE);
-}
-
-scsi_write_verify( tgt, secno, ior)
- register target_info_t *tgt;
- io_req_t ior;
-{
- scsi_cmd_write_vfy_t *cmd;
- unsigned len; /* in bytes */
- unsigned int max_dma_data, n_blks;
-
- max_dma_data = scsi_softc[(unsigned char)tgt->masterno]->max_dma_data;
-
- len = ior->io_count;
- if (len > max_dma_data)
- len = max_dma_data;
- if (len < tgt->block_size)
- len = tgt->block_size;
- n_blks = len / tgt->block_size;
-
- cmd = (scsi_cmd_write_vfy_t*) (tgt->cmd_ptr);
- cmd->scsi_cmd_code = SCSI_CMD_WRITE_AND_VERIFY;
- cmd->scsi_cmd_lun_and_relbit = SCSI_CMD_VFY_BYTCHK;
- cmd->scsi_cmd_lba1 = secno >> 24;
- cmd->scsi_cmd_lba2 = secno >> 16;
- cmd->scsi_cmd_lba3 = secno >> 8;
- cmd->scsi_cmd_lba4 = secno;
- cmd->scsi_cmd_xxx = 0;
- cmd->scsi_cmd_xfer_len_1 = n_blks >> 8;
- cmd->scsi_cmd_xfer_len_2 = n_blks;
- cmd->scsi_cmd_ctrl_byte = 0; /* not linked */
-
- tgt->cur_cmd = SCSI_CMD_WRITE_AND_VERIFY;
-
- scsi_go(tgt, sizeof(*cmd), 0, FALSE);
-}
-
-scsi_search_data( tgt, secno, how, flags, ior)
- register target_info_t *tgt;
- io_req_t ior;
-{
- scsi_cmd_search_t *cmd;
- unsigned len; /* in bytes */
- unsigned int max_dma_data, n_blks;
-
- max_dma_data = scsi_softc[(unsigned char)tgt->masterno]->max_dma_data;
-
- if (how != SCSI_CMD_SEARCH_HIGH &&
- how != SCSI_CMD_SEARCH_EQUAL &&
- how != SCSI_CMD_SEARCH_LOW)
- panic("scsi_search_data");
-
- len = ior->io_count;
- if (len > max_dma_data)
- len = max_dma_data;
- n_blks = len / tgt->block_size;
-
- cmd = (scsi_cmd_search_t*) (tgt->cmd_ptr);
- cmd->scsi_cmd_code = how;
- cmd->scsi_cmd_lun_and_relbit = flags & 0x1e;
- cmd->scsi_cmd_lba1 = secno >> 24;
- cmd->scsi_cmd_lba2 = secno >> 16;
- cmd->scsi_cmd_lba3 = secno >> 8;
- cmd->scsi_cmd_lba4 = secno;
- cmd->scsi_cmd_xxx = 0;
- cmd->scsi_cmd_xfer_len_1 = n_blks >> 8;
- cmd->scsi_cmd_xfer_len_2 = n_blks;
- cmd->scsi_cmd_ctrl_byte = 0; /* not linked */
-
- tgt->cur_cmd = how;
-
- scsi_go(tgt, sizeof(*cmd), 0, FALSE);
-}
-
-
-scsi_set_limits( tgt, secno, nblocks, inhibit, ior)
- register target_info_t *tgt;
- io_req_t ior;
-{
- scsi_cmd_set_limits_t *cmd;
-
- cmd = (scsi_cmd_set_limits_t*) (tgt->cmd_ptr);
- cmd->scsi_cmd_code = SCSI_CMD_SET_LIMITS;
- cmd->scsi_cmd_lun_and_relbit = inhibit & 0x3;
- cmd->scsi_cmd_lba1 = secno >> 24;
- cmd->scsi_cmd_lba2 = secno >> 16;
- cmd->scsi_cmd_lba3 = secno >> 8;
- cmd->scsi_cmd_lba4 = secno;
- cmd->scsi_cmd_xxx = 0;
- cmd->scsi_cmd_xfer_len_1 = nblocks >> 8;
- cmd->scsi_cmd_xfer_len_2 = nblocks;
- cmd->scsi_cmd_ctrl_byte = 0; /* not linked */
-
- tgt->cur_cmd = SCSI_CMD_SET_LIMITS;
-
- scsi_go(tgt, sizeof(*cmd), 0, FALSE);
-}
-
-
-#endif
-
-#ifdef SCSI2
-scsi_lock_cache
-scsi_prefetch
-scsi_read_defect_data
-scsi_sync_cache
-scsi_write_same
-#endif SCSI2
-#endif /* NSCSI > 0 */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-06 22:19:31 +0000