164 lines
3.1 KiB
C
164 lines
3.1 KiB
C
/*
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* Copyright (c) 2007 Vladimir Nadvornik <nadvornik@suse.cz>
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* Copyright (c) 2007-2018 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*/
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#include "defs.h"
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#ifdef HAVE_SCSI_SG_H
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# include <scsi/sg.h>
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#endif
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#include "xlat/scsi_sg_commands.h"
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#include "xlat/sg_scsi_reset.h"
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static int
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decode_sg_io(struct tcb *const tcp, const uint32_t iid,
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const kernel_ulong_t arg)
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{
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switch (iid) {
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case 'S':
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return decode_sg_io_v3(tcp, arg);
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case 'Q':
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return decode_sg_io_v4(tcp, arg);
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default:
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tprintf("[%u]", iid);
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return RVAL_IOCTL_DECODED;
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}
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}
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#ifdef HAVE_SCSI_SG_H
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static int
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decode_sg_scsi_id(struct tcb *const tcp, const kernel_ulong_t arg)
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{
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struct sg_scsi_id id;
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if (entering(tcp))
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return 0;
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tprints(", ");
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if (!umove_or_printaddr(tcp, arg, &id)) {
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tprintf("{host_no=%d"
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", channel=%d"
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", scsi_id=%#x"
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", lun=%d"
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", scsi_type=%#x"
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", h_cmd_per_lun=%hd"
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", d_queue_depth=%hd}",
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id.host_no,
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id.channel,
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id.scsi_id,
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id.lun,
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id.scsi_type,
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id.h_cmd_per_lun,
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id.d_queue_depth);
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}
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return RVAL_IOCTL_DECODED;
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}
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#endif /* HAVE_SCSI_SG_H */
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int
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scsi_ioctl(struct tcb *const tcp, const unsigned int code,
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const kernel_ulong_t arg)
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{
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switch (code) {
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case SG_IO:
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if (entering(tcp)) {
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uint32_t iid;
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tprints(", ");
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if (umove_or_printaddr(tcp, arg, &iid)) {
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break;
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} else {
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return decode_sg_io(tcp, iid, arg);
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}
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} else {
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uint32_t *piid = get_tcb_priv_data(tcp);
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if (piid)
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decode_sg_io(tcp, *piid, arg);
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tprints("}");
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break;
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}
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#ifdef HAVE_SCSI_SG_H
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/* returns struct sg_scsi_id */
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case SG_GET_SCSI_ID:
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return decode_sg_scsi_id(tcp, arg);
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/* returns struct sg_req_info */
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case SG_GET_REQUEST_TABLE:
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return decode_sg_req_info(tcp, arg);
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#endif /* HAVE_SCSI_SG_H */
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/* takes a value by pointer */
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case SG_SCSI_RESET: {
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unsigned int val;
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tprints(", ");
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if (!umove_or_printaddr(tcp, arg, &val)) {
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tprints("[");
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if (val & SG_SCSI_RESET_NO_ESCALATE) {
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printxval(sg_scsi_reset,
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SG_SCSI_RESET_NO_ESCALATE, 0);
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tprints("|");
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}
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printxval(sg_scsi_reset,
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val & ~SG_SCSI_RESET_NO_ESCALATE,
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"SG_SCSI_RESET_???");
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tprints("]");
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}
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break;
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}
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/* takes a signed int by pointer */
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case SG_NEXT_CMD_LEN:
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case SG_SET_COMMAND_Q:
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case SG_SET_DEBUG:
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case SG_SET_FORCE_LOW_DMA:
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case SG_SET_FORCE_PACK_ID:
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case SG_SET_KEEP_ORPHAN:
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case SG_SET_RESERVED_SIZE:
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case SG_SET_TIMEOUT:
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tprints(", ");
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printnum_int(tcp, arg, "%d");
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break;
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/* returns a signed int by pointer */
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case SG_EMULATED_HOST:
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case SG_GET_ACCESS_COUNT:
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case SG_GET_COMMAND_Q:
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case SG_GET_KEEP_ORPHAN:
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case SG_GET_LOW_DMA:
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case SG_GET_NUM_WAITING:
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case SG_GET_PACK_ID:
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case SG_GET_RESERVED_SIZE:
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case SG_GET_SG_TABLESIZE:
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case SG_GET_TRANSFORM:
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case SG_GET_VERSION_NUM:
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if (entering(tcp))
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return 0;
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tprints(", ");
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printnum_int(tcp, arg, "%d");
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break;
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/* takes an integer by value */
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case SG_SET_TRANSFORM:
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tprintf(", %#x", (unsigned int) arg);
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break;
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/* no arguments */
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case SG_GET_TIMEOUT:
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break;
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default:
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return RVAL_DECODED;
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}
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return RVAL_IOCTL_DECODED;
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}
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