usr/src/lib/libdtrace/common/scsi.d

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #pragma D depends_on module genunix
  28 #pragma D depends_on module stmf
  29
  30 /*
  31  * The scsicmd_t structure should be used by providers
  32  * to represent a SCSI command block (cdb).
  33  */
  34 typedef struct scsicmd {
  35         uint64_t ic_len;        /* CDB length */
  36         uint8_t  *ic_cdb;       /* CDB data */
  37 } scsicmd_t;
  38
  39 /*
  40  * Translator for scsicmd_t, translating from a scsi_task_t
  41  */
  42 #pragma D binding "1.5" translator
  43 translator scsicmd_t < scsi_task_t *T > {
  44         ic_len = T->task_cdb_length;
  45         ic_cdb = T->task_cdb;
  46 };
  47
  48 /*
  49  * The xferinfo_t structure can be used by providers to
  50  * represent transfer information related to a single
  51  * buffer. The members describing the remote memory
  52  * are only valid if the transport layer is an RDMA-
  53  * capable transport like Infiniband
  54  */
  55 typedef struct xferinfo {
  56         uintptr_t xfer_laddr;   /* local buffer address */
  57         uint32_t xfer_loffset;
  58         uint32_t xfer_lkey;     /* access control to local memory */
  59         uintptr_t xfer_raddr;   /* remote virtual address */
  60         uint32_t xfer_roffset;  /* offset from the remote address */
  61         uint32_t xfer_rkey;     /* access control to remote virtual address */
  62         uint32_t xfer_len;      /* transfer length */
  63         uint32_t xfer_type;     /* Read (0) or Write (1) */
  64 } xferinfo_t;
  65
  66 /*
  67  * the iscsiinfo_t is used to provide identifying information about
  68  * the target and the initiator and also some PDU level information
  69  * such as lun, data length and sequence numbers.
  70  */
  71 typedef struct iscsiinfo {
  72         string ii_target;       /* target iqn */
  73         string ii_initiator;    /* initiator iqn */
  74         string ii_isid;         /* initiator session identifier */
  75         string ii_tsih;         /* target session identifying handle */
  76         string ii_transport;    /* transport type ("iser-ib", "sockets") */
  77
  78         uint64_t ii_lun;        /* target logical unit number */
  79
  80         uint32_t ii_itt;        /* initiator task tag */
  81         uint32_t ii_ttt;        /* target transfer tag */
  82
  83         uint32_t ii_cmdsn;      /* command sequence number */
  84         uint32_t ii_statsn;     /* status sequence number */
  85         uint32_t ii_datasn;     /* data sequence number */
  86
  87         uint32_t ii_datalen;    /* length of data payload */
  88         uint32_t ii_flags;      /* probe-specific flags */
  89 } iscsiinfo_t;