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[src/netbsd-1-4]: src/sys/dev/ic Pull up revision 1.1-1.5 + patch (requested ...



details:   https://anonhg.NetBSD.org/src/rev/286bee687ec8
branches:  netbsd-1-4
changeset: 470072:286bee687ec8
user:      he <he%NetBSD.org@localhost>
date:      Mon Jan 17 18:34:32 2000 +0000

description:
Pull up revision 1.1-1.5 + patch (requested by ad):
  Add driver for DPT SmartCache and SmartRAID III or IV SCSI
  adapters.

diffstat:

 sys/dev/ic/dptreg.h |  299 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 299 insertions(+), 0 deletions(-)

diffs (truncated from 303 to 300 lines):

diff -r d52b8eef42a7 -r 286bee687ec8 sys/dev/ic/dptreg.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/dev/ic/dptreg.h       Mon Jan 17 18:34:32 2000 +0000
@@ -0,0 +1,299 @@
+/*     $NetBSD: dptreg.h,v 1.5.2.2 2000/01/17 18:34:32 he Exp $        */
+
+/*
+ * Copyright (c) 1999 Andy Doran <ad%NetBSD.org@localhost>
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ */
+
+#ifndef _IC_DPTREG_H_
+#define _IC_DPTREG_H_ 1
+
+/* Hardware limits */
+#define DPT_MAX_TARGETS                16
+#define DPT_MAX_LUNS           8
+#define DPT_MAX_CHANNELS       3
+
+/* Software parameters */
+#define        DPT_MAX_XFER            ((DPT_SG_SIZE - 1) << PGSHIFT)
+#define DPT_MAX_CCBS           256
+#define DPT_SG_SIZE            64
+#define DPT_ABORT_TIMEOUT      2000    /* milliseconds */
+#define DPT_MORE_TIMEOUT       1000    /* microseconds */
+
+#ifdef _KERNEL
+
+#if BYTE_ORDER == LITTLE_ENDIAN
+#define SWAP32(x)      bswap32((x))
+#define SWAP16(x)      bswap16((x))
+#define RSWAP32(x)     (x)
+#define RSWAP16(x)     (x)
+#else
+#define SWAP32(x)      (x)
+#define SWAP16(x)      (x)
+#define RSWAP32(x)     bswap32((x))
+#define RSWAP16(x)     bswap16((x))
+#endif
+
+#define dpt_inb(x, o)  \
+    bus_space_read_1((x)->sc_iot, (x)->sc_ioh, (o))
+
+#define dpt_inw(x, o)  \
+    RSWAP16(bus_space_read_2((x)->sc_iot, (x)->sc_ioh, (o)))
+
+#define dpt_inl(x, o)  \
+    RSWAP32(bus_space_read_4((x)->sc_iot, (x)->sc_ioh, (o)))
+
+#define dpt_outb(x, o, d) \
+    bus_space_write_1((x)->sc_iot, (x)->sc_ioh, (o), (d))
+
+#define dpt_outw(x, o, d) \
+    bus_space_write_2((x)->sc_iot, (x)->sc_ioh, (o), RSWAP16(d))
+
+#define dpt_outl(x, o, d) \
+    bus_space_write_4((x)->sc_iot, (x)->sc_ioh, (o), RSWAP32(d))
+
+#endif /* _KERNEL */
+ 
+/*
+ * HBA registers
+ */
+#define HA_BASE                        0x10
+#define HA_DATA                        (HA_BASE + 0)
+#define HA_ERROR               (HA_BASE + 1)
+#define HA_DMA_BASE            (HA_BASE + 2)
+#define HA_ICMD_CODE2          (HA_BASE + 4)
+#define HA_ICMD_CODE1          (HA_BASE + 5)
+#define HA_ICMD                        (HA_BASE + 6)
+
+/* EATA commands. There are many more that we don't define or use. */
+#define HA_COMMAND             (HA_BASE + 7)
+#define   CP_PIO_GETCFG                0xf0    /* Read configuration data, PIO */
+#define   CP_PIO_CMD           0xf2    /* Execute command, PIO */
+#define   CP_DMA_GETCFG                0xfd    /* Read configuration data, DMA */
+#define   CP_DMA_CMD           0xff    /* Execute command, DMA */
+#define   CP_PIO_TRUNCATE      0xf4    /* Truncate transfer command, PIO */
+#define   CP_RESET             0xf9    /* Reset controller and SCSI bus */
+#define   CP_REBOOT            0x06    /* Reboot controller (last resort) */
+#define   CP_IMMEDIATE         0xfa    /* EATA immediate command */
+#define     CPI_GEN_ABORT      0x00    /* Generic abort */
+#define     CPI_SPEC_RESET     0x01    /* Specific reset */
+#define     CPI_BUS_RESET      0x02    /* Bus reset */
+#define     CPI_SPEC_ABORT     0x03    /* Specific abort */
+#define     CPI_QUIET_INTR     0x04    /* ?? */
+#define     CPI_ROM_DL_EN      0x05    /* ?? */
+#define     CPI_COLD_BOOT      0x06    /* Cold boot HBA */
+#define     CPI_FORCE_IO       0x07    /* ?? */
+#define     CPI_BUS_OFFLINE    0x08    /* Set SCSI bus offline */
+#define     CPI_RESET_MSKD_BUS 0x09    /* Reset masked bus */
+#define     CPI_POWEROFF_WARN  0x0a    /* Power about to fail */
+
+#define HA_STATUS              (HA_BASE + 7)
+#define   HA_ST_ERROR          0x01
+#define   HA_ST_MORE           0x02
+#define   HA_ST_CORRECTD       0x04
+#define   HA_ST_DRQ            0x08
+#define   HA_ST_SEEK_COMPLETE  0x10
+#define   HA_ST_WRT_FLT                0x20
+#define   HA_ST_READY          0x40
+#define   HA_ST_BUSY           0x80
+#define   HA_ST_DATA_RDY       (HA_ST_SEEK_COMPLETE|HA_ST_READY|HA_ST_DRQ)
+
+#define HA_AUX_STATUS          (HA_BASE + 8)
+#define   HA_AUX_BUSY          0x01
+#define   HA_AUX_INTR          0x02
+
+/*
+ * Structure of an EATA command packet.
+ */
+struct eata_cp {
+       u_int8_t        cp_scsireset    :1;     /* cause a bus reset */
+       u_int8_t        cp_hbainit      :1;     /* cause HBA to reinitialize */
+       u_int8_t        cp_autosense    :1;     /* auto request sense on err */
+       u_int8_t        cp_scatter      :1;     /* doing SG I/O */
+       u_int8_t        cp_quick        :1;     /* return no status packet */
+       u_int8_t        cp_interpret    :1;     /* HBA interprets SCSI CDB */
+       u_int8_t        cp_dataout      :1;     /* data out phase */
+       u_int8_t        cp_datain       :1;     /* data in phase */
+       u_int8_t        cp_senselen;            /* request sense length */
+       u_int8_t        cp_unused0[3];          /* unused */
+       u_int8_t        cp_tophys       :1;     /* send to RAID component */
+       u_int8_t        cp_unused1      :7;     /* unused */
+       u_int8_t        cp_physunit     :1;     /* phys unit on mirrored pair */
+       u_int8_t        cp_noat         :1;     /* no address translation */
+       u_int8_t        cp_nocache      :1;     /* no HBA caching */
+       u_int8_t        cp_unused2      :5;     /* unused */
+       u_int8_t        cp_id           :5;     /* SCSI device id of target */
+       u_int8_t        cp_channel      :3;     /* SCSI channel id */
+       u_int8_t        cp_lun          :3;     /* SCSI LUN id */
+       u_int8_t        cp_unused3      :2;     /* unused */
+       u_int8_t        cp_luntar       :1;     /* CP is for target ROUTINE */
+       u_int8_t        cp_dispri       :1;     /* give disconnect privilege */
+       u_int8_t        cp_identify     :1;     /* always true */
+       u_int8_t        cp_msg[3];              /* message bytes 0-3 */
+
+       /* Partial SCSI CDB ref */
+       u_int8_t        cp_scsi_cmd;
+       u_int8_t        cp_extent       :1;
+       u_int8_t        cp_bytchk       :1;
+       u_int8_t        cp_reladr       :1;
+       u_int8_t        cp_cmplst       :1;
+       u_int8_t        cp_fmtdata      :1;
+       u_int8_t        cp_cdblun       :3;
+       u_int8_t        cp_page;
+       u_int8_t        cp_unused4;
+       u_int8_t        cp_len;
+       u_int8_t        cp_link         :1;
+       u_int8_t        cp_flag         :1;
+       u_int8_t        cp_unused5      :4;
+       u_int8_t        cp_vendor       :2;
+       u_int8_t        cp_cdbmore[6];
+
+       u_int32_t       cp_datalen;     /* length in bytes of data/SG list */
+       u_int32_t       cp_ccbid;       /* ID of software CCB */
+       u_int32_t       cp_dataaddr;    /* address of data/SG list */
+       u_int32_t       cp_stataddr;    /* addr for status packet */
+       u_int32_t       cp_senseaddr;   /* addr of req. sense (err only) */
+};
+
+/*
+ * EATA status packet as returned by controller upon command completion. It 
+ * contains status, message info and a handle on the initiating CCB. 
+ */
+struct eata_sp {
+       u_int8_t        sp_hba_status;          /* host adapter status */
+       u_int8_t        sp_scsi_status;         /* SCSI bus status */
+       u_int8_t        sp_reserved[2];         /* reserved */
+       u_int32_t       sp_inv_residue;         /* bytes not transfered */
+       u_int32_t       sp_ccbid;               /* ID of software CCB */
+       u_int8_t        sp_id_message;
+       u_int8_t        sp_que_message;
+       u_int8_t        sp_tag_message;
+       u_int8_t        sp_messages[9];
+};
+
+/* 
+ * HBA status as returned by status packet. Bit 7 signals end of command. 
+ */
+#define HA_NO_ERROR             0x00    /* No error on command */
+#define HA_ERROR_SEL_TO         0x01    /* Device selection timeout */
+#define HA_ERROR_CMD_TO         0x02    /* Device command timeout */
+#define HA_ERROR_RESET          0x03    /* SCSI bus was reset */
+#define HA_INIT_POWERUP         0x04    /* Initial controller power up */
+#define HA_UNX_BUSPHASE         0x05    /* Unexpected bus phase */
+#define HA_UNX_BUS_FREE         0x06    /* Unexpected bus free */
+#define HA_BUS_PARITY           0x07    /* SCSI bus parity error */
+#define HA_SCSI_HUNG            0x08    /* SCSI bus hung */
+#define HA_UNX_MSGRJCT          0x09    /* Unexpected message reject */
+#define HA_RESET_STUCK          0x0A    /* SCSI bus reset stuck */
+#define HA_RSENSE_FAIL          0x0B    /* Auto-request sense failed */
+#define HA_PARITY               0x0C    /* HBA memory parity error */
+#define HA_ABORT_NA             0x0D    /* CP aborted - not on bus */
+#define HA_ABORTED              0x0E    /* CP aborted - was on bus */
+#define HA_RESET_NA             0x0F    /* CP reset - not on bus */
+#define HA_RESET                0x10    /* CP reset - was on bus */
+#define HA_ECC                  0x11    /* HBA memory ECC error */
+#define HA_PCI_PARITY           0x12    /* PCI parity error */
+#define HA_PCI_MASTER           0x13    /* PCI master abort */
+#define HA_PCI_TARGET           0x14    /* PCI target abort */
+#define HA_PCI_SIGNAL_TARGET    0x15    /* PCI signalled target abort */
+#define HA_ABORT                0x20    /* Software abort (too many retries) */
+
+/*
+ * Scatter-gather list element.
+ */
+struct eata_sg {
+       u_int32_t       sg_addr;
+       u_int32_t       sg_len;
+};
+
+/*
+ * EATA configuration data as returned by HBA. XXX this is bogus, some fields
+ * don't *seem* to be filled on my SmartCache III. Also, it doesn't sync up 
+ * with the structure FreeBSD uses. [ad]
+ */
+struct eata_cfg {
+        u_int8_t  ec_devtype;
+        u_int8_t  ec_pagecode;
+        u_int8_t  ec_reserved0;
+        u_int8_t  ec_cfglen;           /* Length in bytes after this field */
+        u_int8_t  ec_eatasig[4];       /* EATA signature  */
+        u_int8_t  ec_eataversion;      /* EATA version number */
+       u_int8_t  ec_overlapcmds : 1;   /* Overlapped cmds supported */
+       u_int8_t  ec_targetmode : 1;    /* Target mode supported */
+       u_int8_t  ec_trunnotrec : 1;    /* Truncate cmd not supported */
+       u_int8_t  ec_moresupported:1;   /* More cmd supported */
+       u_int8_t  ec_dmasupported : 1;  /* DMA mode supported */
+       u_int8_t  ec_dmanumvalid : 1;   /* DMA channel field is valid */
+       u_int8_t  ec_atadev : 1;        /* This is an ATA device */
+       u_int8_t  ec_hbavalid : 1;      /* HBA field is valid */
+        u_int8_t  ec_padlength[2];     /* Pad bytes for PIO cmds */
+        u_int8_t  ec_hba[4];           /* Host adapter SCSI IDs */
+        u_int8_t  ec_cplen[4];         /* Command packet length */
+        u_int8_t  ec_splen[4];         /* Status packet length */
+        u_int8_t  ec_queuedepth[2];    /* Controller queue depth */
+        u_int8_t  ec_reserved1[2];
+        u_int8_t  ec_sglen[2];         /* Maximum scatter gather list size */
+        u_int8_t  ec_irqnum : 4;       /* IRQ number */
+        u_int8_t  ec_irqtrigger : 1;   /* IRQ trigger: 0 = edge, 1 = level */
+        u_int8_t  ec_secondary : 1;    /* Controller not at address 0x170 */
+        u_int8_t  ec_dmanum : 2;       /* DMA channel index for ISA */
+        u_int8_t  ec_irq;              /* IRQ address */
+       u_int8_t  ec_iodisable : 1;     /* ISA I/O address disabled */
+       u_int8_t  ec_forceaddr : 1;     /* PCI forced to an EISA/ISA addr */
+       u_int8_t  ec_sg64k : 1;         /* 64K of SG space */
+       u_int8_t  ec_sgunaligned : 1;   /* Can do unaligned SG, otherwise 4 */
+       u_int8_t  ec_reserved2 : 4;     /* Reserved */
+        u_int8_t  ec_maxtarget : 5;    /* Maximun SCSI target ID supported */
+        u_int8_t  ec_maxchannel : 3;   /* Maximun channel number supported */
+        u_int8_t  ec_maxlun;           /* Maximum LUN supported */
+       u_int8_t  ec_reserved3 : 3;     /* Reserved field */
+       u_int8_t  ec_autoterm : 1;      /* Support auto term (low byte) */
+       u_int8_t  ec_pcim1 : 1;         /* PCI M1 chipset */
+       u_int8_t  ec_bogusraidid : 1;   /* Raid ID may be questionable  */
+       u_int8_t  ec_pci : 1;           /* PCI adapter */
+       u_int8_t  ec_eisa : 1;          /* EISA adapter */
+        u_int8_t  ec_raidnum;          /* RAID host adapter humber */
+};
+
+/*
+ * How SCSI inquiry data breaks down for EATA boards.
+ */
+struct eata_inquiry_data {
+       u_int8_t        ei_device;
+       u_int8_t        ei_dev_qual2;
+       u_int8_t        ei_version;
+       u_int8_t        ei_response_format;
+       u_int8_t        ei_additional_length;
+       u_int8_t        ei_unused[2];
+       u_int8_t        ei_flags;       
+       char            ei_vendor[8];   /* Vendor, e.g: DPT, NEC */
+       char            ei_model[7];    /* Model number */
+       char            ei_suffix[9];   /* Model number suffix */
+       char            ei_fw[3];       /* Firmware */
+       char            ei_fwrev[1];    /* Firmware revision */
+       u_int8_t        ei_extra[8];



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