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[src/trunk]: src/sys/dev/mscp Copied from ../../arch/vax/mscp/mscp.h, v
details: https://anonhg.NetBSD.org/src/rev/b037a44c5dd4
branches: trunk
changeset: 473333:b037a44c5dd4
user: ragge <ragge%NetBSD.org@localhost>
date: Sat May 29 19:11:16 1999 +0000
description:
Copied from ../../arch/vax/mscp/mscp.h,v
diffstat:
sys/dev/mscp/mscp.h | 493 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 493 insertions(+), 0 deletions(-)
diffs (truncated from 497 to 300 lines):
diff -r 877e0a70c59d -r b037a44c5dd4 sys/dev/mscp/mscp.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/dev/mscp/mscp.h Sat May 29 19:11:16 1999 +0000
@@ -0,0 +1,493 @@
+/* $NetBSD: mscp.h,v 1.6 1999/05/29 19:11:16 ragge Exp $ */
+
+/*
+ * Copyright (c) 1988 Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Chris Torek.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#)mscp.h 7.5 (Berkeley) 6/28/90
+ */
+
+/*
+ * Definitions for the Mass Storage Control Protocol
+ * I WISH I KNEW WHAT MORE OF THESE WERE. IT SURE WOULD BE NICE
+ * IF DEC SOLD DOCUMENTATION FOR THEIR OWN CONTROLLERS.
+ */
+
+/*
+ * Control message opcodes
+ */
+#define M_OP_ABORT 0x01 /* Abort command */
+#define M_OP_GETCMDST 0x02 /* Get command status command */
+#define M_OP_GETUNITST 0x03 /* Get unit status command */
+#define M_OP_SETCTLRC 0x04 /* Set controller characteristics command */
+#define M_OP_SEREX 0x07 /* Serious exception end message */
+#define M_OP_AVAILABLE 0x08 /* Available command */
+#define M_OP_ONLINE 0x09 /* Online command */
+#define M_OP_SETUNITC 0x0a /* Set unit characteristics command */
+#define M_OP_DTACCPATH 0x0b /* Determine access paths command */
+#define M_OP_ACCESS 0x10 /* Access command */
+#define M_OP_COMPCD 0x11 /* Compare controller data command */
+#define M_OP_ERASE 0x12 /* Erase command */
+#define M_OP_FLUSH 0x13 /* Flush command */
+#define M_OP_REPLACE 0x14 /* Replace command */
+#define M_OP_COMPHD 0x20 /* Compare host data command */
+#define M_OP_READ 0x21 /* Read command */
+#define M_OP_WRITE 0x22 /* Write command */
+#define M_OP_WRITM 0x24 /* Write mark command */
+#define M_OP_POS 0x25 /* Positioning command */
+#define M_OP_AVAILATTN 0x40 /* Available attention message */
+#define M_OP_DUPUNIT 0x41 /* Duplicate unit number attention message */
+#define M_OP_ACCPATH 0x42 /* Access path attention message */
+#define M_OP_END 0x80 /* End message flag */
+
+
+/*
+ * Generic command modifiers
+ */
+#define M_MD_EXPRS 0x8000 /* Express request */
+#define M_MD_COMP 0x4000 /* Compare */
+#define M_MD_CLSEX 0x2000 /* Clear serious exception */
+#define M_MD_ERROR 0x1000 /* Force error */
+#define M_MD_SCCHH 0x0800 /* Suppress caching (high speed) */
+#define M_MD_SCCHL 0x0400 /* Suppress caching (low speed) */
+#define M_MD_SECOR 0x0200 /* Suppress error correction */
+#define M_MD_SEREC 0x0100 /* Suppress error recovery */
+#define M_MD_SSHDW 0x0080 /* Suppress shadowing */
+#define M_MD_WBKNV 0x0040 /* Write back (non-volatile) */
+#define M_MD_WBKVL 0x0020 /* Write back (volatile) */
+#define M_MD_WRSEQ 0x0010 /* Write shadow set one unit at a time */
+
+/*
+ * tape command modifiers
+ */
+#define M_MD_IMMEDIATE 0x0040 /* Immediate completion */
+#define M_MD_UNLOAD 0x0010 /* Unload tape */
+#define M_MD_REVERSE 0x0008 /* Reverse action */
+#define M_MD_OBJCOUNT 0x0004 /* Object count */
+#define M_MD_REWIND 0x0002 /* Rewind */
+
+/*
+ * AVAILABLE command modifiers
+ */
+#define M_AVM_ALLCD 0x0002 /* All class drivers */
+#define M_AVM_SPINDOWN 0x0001 /* Spin down */
+
+/*
+ * FLUSH command modifiers
+ */
+#define M_FLM_FLUSHENU 0x0001 /* Flush entire unit */
+#define M_FLM_VOLATILE 0x0002 /* Volatile only */
+
+/*
+ * GET UNIT STATUS command modifiers
+ */
+#define M_GUM_NEXTUNIT 0x0001 /* Next unit */
+
+/*
+ * ONLINE command modifiers
+ */
+#define M_OLM_RIP 0x0001 /* Allow self destruction */
+#define M_OLM_IGNMF 0x0002 /* Ignore media format error */
+
+/*
+ * ONLINE and SET UNIT CHARACTERISTICS command modifiers
+ */
+#define M_OSM_ALTERHI 0x0020 /* Alter host identifier */
+#define M_OSM_SHADOWSP 0x0010 /* Shadow unit specified */
+#define M_OSM_CLEARWBL 0x0008 /* Clear write-back data lost */
+#define M_OSM_SETWRPROT 0x0004 /* Set write protect */
+
+/*
+ * REPLACE command modifiers
+ */
+#define M_RPM_PRIMARY 0x0001 /* Primary replacement block */
+
+/*
+ * End message flags
+ */
+#define M_EF_BBLKR 0x80 /* Bad block reported */
+#define M_EF_BBLKU 0x40 /* Bad block unreported */
+#define M_EF_ERLOG 0x20 /* Error log generated */
+#define M_EF_SEREX 0x10 /* Serious exception */
+#define M_EF_EOT 0x08 /* at end-of-tape */
+#define M_EF_POSLOST 0x04 /* position lost */
+
+/*
+ * Controller flags
+ */
+#define M_CF_ATTN 0x80 /* Enable attention messages */
+#define M_CF_MISC 0x40 /* Enable miscellaneous error log messages */
+#define M_CF_OTHER 0x20 /* Enable other host's error log messages */
+#define M_CF_THIS 0x10 /* Enable this host's error log messages */
+#define M_CF_MLTHS 0x04 /* Multi-host */
+#define M_CF_SHADW 0x02 /* Shadowing */
+#define M_CF_576 0x01 /* 576 byte sectors */
+
+/*
+ * Unit flags
+ */
+#define M_UF_REPLC 0x8000 /* Controller initiated bad block replacement */
+#define M_UF_INACT 0x4000 /* Inactive shadow set unit */
+#define M_UF_WRTPH 0x2000 /* Write protect (hardware) */
+#define M_UF_WRTPS 0x1000 /* Write protect (software or volume) */
+#define M_UF_SCCHH 0x8000 /* Suppress caching (high speed) */
+#define M_UF_SCCHL 0x4000 /* Suppress caching (low speed) */
+#define M_UF_RMVBL 0x0080 /* Removable media */
+#define M_UF_WBKNV 0x0040 /* Write back (non-volatile) */
+#define M_UF_576 0x0004 /* 576 byte sectors */
+#define M_UF_CMPWR 0x0002 /* Compare writes */
+#define M_UF_CMPRD 0x0001 /* Compare reads */
+
+/*
+ * Error Log message format codes
+ */
+#define M_FM_CTLRERR 0x00 /* Controller error */
+#define M_FM_BUSADDR 0x01 /* Host memory access error */
+#define M_FM_DISKTRN 0x02 /* Disk transfer error */
+#define M_FM_SDI 0x03 /* SDI error */
+#define M_FM_SMLDSK 0x04 /* Small disk error */
+#define M_FM_TAPETRN 0x05 /* Tape transfer error */
+#define M_FM_STIERR 0x06 /* STI communication or command failure */
+#define M_FM_STIDEL 0x07 /* STI drive error log */
+#define M_FM_STIFEL 0x08 /* STI formatter error log */
+
+/*
+ * Error Log message flags
+ */
+#define M_LF_SUCC 0x80 /* Operation successful */
+#define M_LF_CONT 0x40 /* Operation continuing */
+#define M_LF_SQNRS 0x01 /* Sequence number reset */
+
+/*
+ * Status codes
+ */
+#define M_ST_MASK 0x1f /* Status code mask */
+#define M_ST_SUCCESS 0x00 /* Success */
+#define M_ST_INVALCMD 0x01 /* Invalid command */
+#define M_ST_ABORTED 0x02 /* Command aborted */
+#define M_ST_OFFLINE 0x03 /* Unit offline */
+#define M_ST_AVAILABLE 0x04 /* Unit available */
+#define M_ST_MFMTERR 0x05 /* Media format error */
+#define M_ST_WRPROT 0x06 /* Write protected */
+#define M_ST_COMPERR 0x07 /* Compare error */
+#define M_ST_DATAERR 0x08 /* Data error */
+#define M_ST_HOSTBUFERR 0x09 /* Host buffer access error */
+#define M_ST_CTLRERR 0x0a /* Controller error */
+#define M_ST_DRIVEERR 0x0b /* Drive error */
+#define M_ST_FORMATTERR 0x0c /* Formatter error */
+#define M_ST_BOT 0x0d /* Beginning-of-tape */
+#define M_ST_TAPEMARK 0x0e /* Tape mark encountered */
+#define M_ST_RDTRUNC 0x10 /* Record data truncated */
+#define M_ST_DIAG 0x1f /* Message from an internal diagnostic */
+
+/*
+ * Subcodes of M_ST_OFFLINE
+ */
+#define M_OFFLINE_UNKNOWN (0 << 5) /* unknown or on other ctlr */
+#define M_OFFLINE_UNMOUNTED (1 << 5) /* unmounted or RUN/STOP at STOP */
+#define M_OFFLINE_INOPERATIVE (2 << 5) /* inoperative? */
+#define M_OFFLINE_DUPLICATE (4 << 5) /* duplicate unit number */
+#define M_OFFLINE_INDIAGNOSTIC (8 << 5) /* disabled by FS or diagnostic */
+
+/*
+ * An MSCP packet begins with a header giving the length of
+ * the entire packet (including the header itself)(?), two bytes
+ * of device specific data, and the a whole bunch of variants
+ * depending on message type.
+ *
+ * N.B.: In most cases we distinguish between a `command' and
+ * an `end' variant as well. The command variant is that which
+ * is given to the controller; the `end' variant is its response.
+ */
+
+/*
+ * Generic sequential message variant (command and response).
+ */
+struct mscpv_seq {
+ long seq_bytecount; /* byte count */
+#define seq_rbn seq_bytecount /* aka RBN (replace) */
+#define seq_outref seq_bytecount /* aka outref (abort/get cmd status) */
+ long seq_buffer; /* buffer descriptor */
+ long seq_mapbase; /* page map (first PTE) phys address */
+ long seq_xxx1; /* ? */ /* unused */
+ long seq_lbn; /* logical block number */
+ long seq_xxx2; /* ? */ /* unused */
+ long *seq_addr; /* pointer to cmd descriptor */
+ long seq_software[4]; /* reserved to software; unused */
+};
+
+/*
+ * Set Controller Characteristics command variant
+ */
+struct mscpv_sccc {
+ u_short sccc_version; /* MSCP version number */
+ u_short sccc_ctlrflags; /* controller flags */
+ u_short sccc_hosttimo; /* host timeout */
+ u_short sccc_usefrac; /* use fraction */
+ long sccc_time; /* time and date */
+ long sccc_time1; /* it's a quad field */
+ long sccc_errlgfl; /* ? */
+ short sccc_xxx2; /* ? */
+ short sccc_copyspd; /* ? */
+};
+
+/*
+ * Set Controller Characteristics end variant
+ */
+struct mscpv_scce {
+ u_short scce_version; /* MSCP version number */
+ u_short scce_ctlrflags; /* controller flags */
+ u_short scce_ctlrtimo; /* controller timeout */
+ u_short scce_ctlrcmdl; /* ??? */
+ quad_t scce_ctlrid; /* controller ID */
+ long scce_xxx[3]; /* ? */
+ long scce_volser; /* volume serial number */
+};
+
+/*
+ * On Line command variant
+ */
+struct mscpv_onlc {
+ long onlc_xxx1[4]; /* ? */
+ long onlc_errlgfl; /* error log flag? */
+ short onlc_xxx2; /* ? */
+ short onlc_copyspd; /* copy speed? */
+};
+
+/*
+ * On Line end variant
+ */
+struct mscpv_onle {
+ long onle_xxx1[3]; /* ? */
+/*???*/ short onle_xxx2; /* ? */
+ u_char onle_drivetype; /* drive type index (same in guse) */
+ char onle_xxx3; /* ? */
+ long onle_mediaid; /* media type id (same in guse) */
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