/* $OpenBSD: adwlib.h,v 1.10 2002/03/14 01:26:53 millert Exp $ */ /* $NetBSD: adwlib.h,v 1.14 2000/07/03 18:14:18 dante Exp $ */ /* * Definitions for low level routines and data structures * for the Advanced Systems Inc. SCSI controllers chips. * * Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc. * All rights reserved. * * Author: Baldassare Dante Profeta <dante@mclink.it> * * 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 NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ /* * Ported from: */ /* * advansys.c - Linux Host Driver for AdvanSys SCSI Adapters * * Copyright (c) 1995-2000 Advanced System Products, Inc. * All Rights Reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that redistributions of source * code retain the above copyright notice and this comment without * modification. */ #ifndef _ADVANSYS_WIDE_LIBRARY_H_ #define _ADVANSYS_WIDE_LIBRARY_H_ /* * --- Adw Library Constants and Macros */ #define ADW_LIB_VERSION_MAJOR 5 #define ADW_LIB_VERSION_MINOR 8 /* If the result wraps when calculating tenths, return 0. */ #define ADW_TENTHS(num, den) \ (((10 * ((num)/(den))) > (((num) * 10)/(den))) ? \ 0 : ((((num) * 10)/(den)) - (10 * ((num)/(den))))) /* * Define Adw Reset Hold Time grater than 25 uSec. * See AdwResetSCSIBus() for more info. */ #define ADW_SCSI_RESET_HOLD_TIME_US 60 /* * Define Adw EEPROM constants. */ #define ADW_EEP_DVC_CFG_BEGIN (0x00) #define ADW_EEP_DVC_CFG_END (0x15) #define ADW_EEP_DVC_CTL_BEGIN (0x16) /* location of OEM name */ #define ADW_EEP_MAX_WORD_ADDR (0x1E) #define ADW_EEP_DELAY_MS 100 /* * EEPROM bits reference by the RISC after initialization. */ #define ADW_EEPROM_BIG_ENDIAN 0x8000 /* EEPROM Bit 15 */ #define ADW_EEPROM_BIOS_ENABLE 0x4000 /* EEPROM Bit 14 */ #define ADW_EEPROM_TERM_POL 0x2000 /* EEPROM Bit 13 */ /* * EEPROM configuration format * * Field naming convention: * * *_enable indicates the field enables or disables the feature. The * value is never reset. * * *_able indicates both whether a feature should be enabled or disabled * and whether a device isi capable of the feature. At initialization * this field may be set, but later if a device is found to be incapable * of the feature, the field is cleared. * * Default values are maintained in the structure Default_EEPROM_Config. */ #define ADW_EEPROM_BIG_ENDIAN 0x8000 /* EEPROM Bit 15 */ #define ADW_EEPROM_BIOS_ENABLE 0x4000 /* EEPROM Bit 14 */ /* * For the ASC3550 Bit 13 is Termination Polarity control bit. * For later ICs Bit 13 controls whether the CIS (Card Information * Service Section) is loaded from EEPROM. */ #define ADW_EEPROM_TERM_POL 0x2000 /* EEPROM Bit 13 */ #define ADW_EEPROM_CIS_LD 0x2000 /* EEPROM Bit 13 */ /* * ASC38C1600 Bit 11 * * If EEPROM Bit 11 is 0 for Function 0, then Function 0 will specify * INT A in the PCI Configuration Space Int Pin field. If it is 1, then * Function 0 will specify INT B. * * If EEPROM Bit 11 is 0 for Function 1, then Function 1 will specify * INT B in the PCI Configuration Space Int Pin field. If it is 1, then * Function 1 will specify INT A. */ #define ADW_EEPROM_INTAB 0x0800 /* EEPROM Bit 11 */ typedef struct adw_eeprom { /* Word Offset, Description */ u_int16_t cfg_lsw; /* 00 power up initialization */ /* bit 13 set - Term Polarity Control */ /* bit 14 set - BIOS Enable */ /* bit 15 set - Big Endian Mode */ u_int16_t cfg_msw; /* 01 unused */ u_int16_t disc_enable; /* 02 disconnect enable */ u_int16_t wdtr_able; /* 03 Wide DTR able */ union { u_int16_t sdtr_able; /* 04 Synchronous DTR able */ u_int16_t sdtr_speed1; /* 04 SDTR Speed TID 0-3 */ } sdtr1; u_int16_t start_motor; /* 05 send start up motor */ u_int16_t tagqng_able; /* 06 tag queuing able */ u_int16_t bios_scan; /* 07 BIOS device control */ u_int16_t scam_tolerant; /* 08 no scam */ u_int8_t adapter_scsi_id; /* 09 Host Adapter ID */ u_int8_t bios_boot_delay; /* power up wait */ u_int8_t scsi_reset_delay; /* 10 reset delay */ u_int8_t bios_id_lun; /* first boot device scsi id & lun */ /* high nibble is lun */ /* low nibble is scsi id */ u_int8_t termination_se; /* 11 0 - automatic */ /* 1 - low off / high off */ /* 2 - low off / high on */ /* 3 - low on / high on */ /* There is no low on / high off */ u_int8_t termination_lvd; /* 11 0 - automatic */ /* 1 - low off / high off */ /* 2 - low off / high on */ /* 3 - low on / high on */ /* There is no low on / high off */ u_int16_t bios_ctrl; /* 12 BIOS control bits */ /* bit 0 BIOS don't act as initiator. */ /* bit 1 BIOS > 1 GB support */ /* bit 2 BIOS > 2 Disk Support */ /* bit 3 BIOS don't support removables */ /* bit 4 BIOS support bootable CD */ /* bit 5 BIOS scan enabled */ /* bit 6 BIOS support multiple LUNs */ /* bit 7 BIOS display of message */ /* bit 8 SCAM disabled */ /* bit 9 Reset SCSI bus during init. */ /* bit 10 */ /* bit 11 No verbose initialization. */ /* bit 12 SCSI parity enabled */ /* bit 13 */ /* bit 14 */ /* bit 15 */ union { u_int16_t ultra_able; /* 13 ULTRA speed able */ u_int16_t sdtr_speed2; /* 13 SDTR speed TID 4-7 */ } sdtr2; union { u_int16_t reserved2; /* 14 reserved */ u_int16_t sdtr_speed3; /* 14 SDTR speed TID 8-11 */ } sdtr3; u_int8_t max_host_qng; /* 15 maximum host queuing */ u_int8_t max_dvc_qng; /* maximum per device queuing */ u_int16_t dvc_cntl; /* 16 control bit for driver */ union { u_int16_t bug_fix; /* 17 control bit for bug fix */ u_int16_t sdtr_speed4; /* 17 SDTR speed 4 TID 12-15 */ } sdtr4; u_int16_t serial_number[3]; /* 18 - 20 Board serial number */ u_int16_t check_sum; /* 21 EEP check sum */ u_int8_t oem_name[16]; /* 22 OEM name */ u_int16_t dvc_err_code; /* 30 last device driver error code */ u_int16_t adw_err_code; /* 31 last uc and Adw Lib error code */ u_int16_t adw_err_addr; /* 32 last uc error address */ u_int16_t saved_dvc_err_code; /* 33 saved last dev. driver error code */ u_int16_t saved_adw_err_code; /* 34 saved last uc and Adw Lib error code */ u_int16_t saved_adw_err_addr; /* 35 saved last uc error address */ u_int16_t reserved1[20]; /* 36 - 55 reserved */ u_int16_t cisptr_lsw; /* 56 CIS PTR LSW */ u_int16_t cisprt_msw; /* 57 CIS PTR MSW */ u_int16_t subsysvid; /* 58 SubSystem Vendor ID */ u_int16_t subsysid; /* 59 SubSystem ID */ u_int16_t reserved2[4]; /* 60 - 63 reserved */ } ADW_EEPROM; /* * EEPROM Commands */ #define ADW_EEP_CMD_READ 0x80 #define ADW_EEP_CMD_WRITE 0x40 #define ADW_EEP_CMD_WRITE_ABLE 0x30 #define ADW_EEP_CMD_WRITE_DISABLE 0x00 #define ADW_EEP_CMD_DONE 0x0200 #define ADW_EEP_CMD_DONE_ERR 0x0001 /* cfg_word */ #define EEP_CFG_WORD_BIG_ENDIAN 0x8000 /* bios_ctrl */ #define BIOS_CTRL_BIOS 0x0001 #define BIOS_CTRL_EXTENDED_XLAT 0x0002 #define BIOS_CTRL_GT_2_DISK 0x0004 #define BIOS_CTRL_BIOS_REMOVABLE 0x0008 #define BIOS_CTRL_BOOTABLE_CD 0x0010 #define BIOS_CTRL_MULTIPLE_LUN 0x0040 #define BIOS_CTRL_DISPLAY_MSG 0x0080 #define BIOS_CTRL_NO_SCAM 0x0100 #define BIOS_CTRL_RESET_SCSI_BUS 0x0200 #define BIOS_CTRL_INIT_VERBOSE 0x0800 #define BIOS_CTRL_SCSI_PARITY 0x1000 #define BIOS_CTRL_AIPP_DIS 0x2000 #define ADW_3550_MEMSIZE 0x2000 /* 8 KB Internal Memory */ #define ADW_3550_IOLEN 0x40 /* I/O Port Range in bytes */ #define ADW_38C0800_MEMSIZE 0x4000 /* 16 KB Internal Memory */ #define ADW_38C0800_IOLEN 0x100 /* I/O Port Range in bytes */ #define ADW_38C1600_MEMSIZE 0x8000 /* 32 KB Internal Memory */ #define ADW_38C1600_IOLEN 0x100 /* I/O Port Range 256 bytes */ #define ADW_38C1600_MEMLEN 0x1000 /* Memory Range 4KB bytes */ /* * Byte I/O register address from base of 'iop_base'. */ #define IOPB_INTR_STATUS_REG 0x00 #define IOPB_CHIP_ID_1 0x01 #define IOPB_INTR_ENABLES 0x02 #define IOPB_CHIP_TYPE_REV 0x03 #define IOPB_RES_ADDR_4 0x04 #define IOPB_RES_ADDR_5 0x05 #define IOPB_RAM_DATA 0x06 #define IOPB_RES_ADDR_7 0x07 #define IOPB_FLAG_REG 0x08 #define IOPB_RES_ADDR_9 0x09 #define IOPB_RISC_CSR 0x0A #define IOPB_RES_ADDR_B 0x0B #define IOPB_RES_ADDR_C 0x0C #define IOPB_RES_ADDR_D 0x0D #define IOPB_SOFT_OVER_WR 0x0E #define IOPB_RES_ADDR_F 0x0F #define IOPB_MEM_CFG 0x10 #define IOPB_RES_ADDR_11 0x11 #define IOPB_GPIO_DATA 0x12 #define IOPB_RES_ADDR_13 0x13 #define IOPB_FLASH_PAGE 0x14 #define IOPB_RES_ADDR_15 0x15 #define IOPB_GPIO_CNTL 0x16 #define IOPB_RES_ADDR_17 0x17 #define IOPB_FLASH_DATA 0x18 #define IOPB_RES_ADDR_19 0x19 #define IOPB_RES_ADDR_1A 0x1A #define IOPB_RES_ADDR_1B 0x1B #define IOPB_RES_ADDR_1C 0x1C #define IOPB_RES_ADDR_1D 0x1D #define IOPB_RES_ADDR_1E 0x1E #define IOPB_RES_ADDR_1F 0x1F #define IOPB_DMA_CFG0 0x20 #define IOPB_DMA_CFG1 0x21 #define IOPB_TICKLE 0x22 #define IOPB_DMA_REG_WR 0x23 #define IOPB_SDMA_STATUS 0x24 #define IOPB_SCSI_BYTE_CNT 0x25 #define IOPB_HOST_BYTE_CNT 0x26 #define IOPB_BYTE_LEFT_TO_XFER 0x27 #define IOPB_BYTE_TO_XFER_0 0x28 #define IOPB_BYTE_TO_XFER_1 0x29 #define IOPB_BYTE_TO_XFER_2 0x2A #define IOPB_BYTE_TO_XFER_3 0x2B #define IOPB_ACC_GRP 0x2C #define IOPB_RES_ADDR_2D 0x2D #define IOPB_DEV_ID 0x2E #define IOPB_RES_ADDR_2F 0x2F #define IOPB_SCSI_DATA 0x30 #define IOPB_RES_ADDR_31 0x31 #define IOPB_RES_ADDR_32 0x32 #define IOPB_SCSI_DATA_HSHK 0x33 #define IOPB_SCSI_CTRL 0x34 #define IOPB_RES_ADDR_35 0x35 #define IOPB_RES_ADDR_36 0x36 #define IOPB_RES_ADDR_37 0x37 #define IOPB_RAM_BIST 0x38 #define IOPB_PLL_TEST 0x39 #define IOPB_PCI_INT_CFG 0x3A #define IOPB_RES_ADDR_3B 0x3B #define IOPB_RFIFO_CNT 0x3C #define IOPB_RES_ADDR_3D 0x3D #define IOPB_RES_ADDR_3E 0x3E #define IOPB_RES_ADDR_3F 0x3F /* * Word I/O register address from base of 'iop_base'. */ #define IOPW_CHIP_ID_0 0x00 /* CID0 */ #define IOPW_CTRL_REG 0x02 /* CC */ #define IOPW_RAM_ADDR 0x04 /* LA */ #define IOPW_RAM_DATA 0x06 /* LD */ #define IOPW_RES_ADDR_08 0x08 #define IOPW_RISC_CSR 0x0A /* CSR */ #define IOPW_SCSI_CFG0 0x0C /* CFG0 */ #define IOPW_SCSI_CFG1 0x0E /* CFG1 */ #define IOPW_RES_ADDR_10 0x10 #define IOPW_SEL_MASK 0x12 /* SM */ #define IOPW_RES_ADDR_14 0x14 #define IOPW_FLASH_ADDR 0x16 /* FA */ #define IOPW_RES_ADDR_18 0x18 #define IOPW_EE_CMD 0x1A /* EC */ #define IOPW_EE_DATA 0x1C /* ED */ #define IOPW_SFIFO_CNT 0x1E /* SFC */ #define IOPW_RES_ADDR_20 0x20 #define IOPW_Q_BASE 0x22 /* QB */ #define IOPW_QP 0x24 /* QP */ #define IOPW_IX 0x26 /* IX */ #define IOPW_SP 0x28 /* SP */ #define IOPW_PC 0x2A /* PC */ #define IOPW_RES_ADDR_2C 0x2C #define IOPW_RES_ADDR_2E 0x2E #define IOPW_SCSI_DATA 0x30 /* SD */ #define IOPW_SCSI_DATA_HSHK 0x32 /* SDH */ #define IOPW_SCSI_CTRL 0x34 /* SC */ #define IOPW_HSHK_CFG 0x36 /* HCFG */ #define IOPW_SXFR_STATUS 0x36 /* SXS */ #define IOPW_SXFR_CNTL 0x38 /* SXL */ #define IOPW_SXFR_CNTH 0x3A /* SXH */ #define IOPW_RES_ADDR_3C 0x3C #define IOPW_RFIFO_DATA 0x3E /* RFD */ /* * Doubleword I/O register address from base of 'iop_base'. */ #define IOPDW_RES_ADDR_0 0x00 #define IOPDW_RAM_DATA 0x04 #define IOPDW_RES_ADDR_8 0x08 #define IOPDW_RES_ADDR_C 0x0C #define IOPDW_RES_ADDR_10 0x10 #define IOPDW_COMMA 0x14 #define IOPDW_COMMB 0x18 #define IOPDW_RES_ADDR_1C 0x1C #define IOPDW_SDMA_ADDR0 0x20 #define IOPDW_SDMA_ADDR1 0x24 #define IOPDW_SDMA_COUNT 0x28 #define IOPDW_SDMA_ERROR 0x2C #define IOPDW_RDMA_ADDR0 0x30 #define IOPDW_RDMA_ADDR1 0x34 #define IOPDW_RDMA_COUNT 0x38 #define IOPDW_RDMA_ERROR 0x3C #define ADW_CHIP_ID_BYTE 0x25 #define ADW_CHIP_ID_WORD 0x04C1 #define ADW_SC_SCSI_BUS_RESET 0x2000 #define ADW_INTR_ENABLE_HOST_INTR 0x01 #define ADW_INTR_ENABLE_SEL_INTR 0x02 #define ADW_INTR_ENABLE_DPR_INTR 0x04 #define ADW_INTR_ENABLE_RTA_INTR 0x08 #define ADW_INTR_ENABLE_RMA_INTR 0x10 #define ADW_INTR_ENABLE_RST_INTR 0x20 #define ADW_INTR_ENABLE_DPE_INTR 0x40 #define ADW_INTR_ENABLE_GLOBAL_INTR 0x80 #define ADW_INTR_STATUS_INTRA 0x01 #define ADW_INTR_STATUS_INTRB 0x02 #define ADW_INTR_STATUS_INTRC 0x04 #define ADW_RISC_CSR_STOP (0x0000) #define ADW_RISC_TEST_COND (0x2000) #define ADW_RISC_CSR_RUN (0x4000) #define ADW_RISC_CSR_SINGLE_STEP (0x8000) #define ADW_CTRL_REG_HOST_INTR 0x0100 #define ADW_CTRL_REG_SEL_INTR 0x0200 #define ADW_CTRL_REG_DPR_INTR 0x0400 #define ADW_CTRL_REG_RTA_INTR 0x0800 #define ADW_CTRL_REG_RMA_INTR 0x1000 #define ADW_CTRL_REG_RES_BIT14 0x2000 #define ADW_CTRL_REG_DPE_INTR 0x4000 #define ADW_CTRL_REG_POWER_DONE 0x8000 #define ADW_CTRL_REG_ANY_INTR 0xFF00 #define ADW_CTRL_REG_CMD_RESET 0x00C6 #define ADW_CTRL_REG_CMD_WR_IO_REG 0x00C5 #define ADW_CTRL_REG_CMD_RD_IO_REG 0x00C4 #define ADW_CTRL_REG_CMD_WR_PCI_CFG_SPACE 0x00C3 #define ADW_CTRL_REG_CMD_RD_PCI_CFG_SPACE 0x00C2 #define ADW_TICKLE_NOP 0x00 #define ADW_TICKLE_A 0x01 #define ADW_TICKLE_B 0x02 #define ADW_TICKLE_C 0x03 #define ADW_SCSI_CTRL_RSTOUT 0x2000 #define ADW_IS_INT_PENDING(iot, ioh) \ (ADW_READ_WORD_REGISTER((iot), (ioh), IOPW_CTRL_REG) & ADW_CTRL_REG_HOST_INTR) /* * SCSI_CFG0 Register bit definitions */ #define ADW_TIMER_MODEAB 0xC000 /* Watchdog, Second, and Select. Timer Ctrl. */ #define ADW_PARITY_EN 0x2000 /* Enable SCSI Parity Error detection */ #define ADW_EVEN_PARITY 0x1000 /* Select Even Parity */ #define ADW_WD_LONG 0x0800 /* Watchdog Interval, 1: 57 min, 0: 13 sec */ #define ADW_QUEUE_128 0x0400 /* Queue Size, 1: 128 byte, 0: 64 byte */ #define ADW_PRIM_MODE 0x0100 /* Primitive SCSI mode */ #define ADW_SCAM_EN 0x0080 /* Enable SCAM selection */ #define ADW_SEL_TMO_LONG 0x0040 /* Sel/Resel Timeout, 1: 400 ms, 0: 1.6 ms */ #define ADW_CFRM_ID 0x0020 /* SCAM id sel. confirm., 1: fast, 0: 6.4 ms */ #define ADW_OUR_ID_EN 0x0010 /* Enable OUR_ID bits */ #define ADW_OUR_ID 0x000F /* SCSI ID */ /* * SCSI_CFG1 Register bit definitions */ #define ADW_BIG_ENDIAN 0x8000 /* Enable Big Endian Mode MIO:15, EEP:15 */ #define ADW_TERM_POL 0x2000 /* Terminator Polarity Ctrl. MIO:13, EEP:13 */ #define ADW_SLEW_RATE 0x1000 /* SCSI output buffer slew rate */ #define ADW_FILTER_SEL 0x0C00 /* Filter Period Selection */ #define ADW_FLTR_DISABLE 0x0000 /* Input Filtering Disabled */ #define ADW_FLTR_11_TO_20NS 0x0800 /* Input Filtering 11ns to 20ns */ #define ADW_FLTR_21_TO_39NS 0x0C00 /* Input Filtering 21ns to 39ns */ #define ADW_ACTIVE_DBL 0x0200 /* Disable Active Negation */ #define ADW_DIFF_MODE 0x0100 /* SCSI differential Mode (Read-Only) */ #define ADW_DIFF_SENSE 0x0080 /* 1: No SE cables, 0: SE cable (Read-Only) */ #define ADW_TERM_CTL_SEL 0x0040 /* Enable TERM_CTL_H and TERM_CTL_L */ #define ADW_TERM_CTL 0x0030 /* External SCSI Termination Bits */ #define ADW_TERM_CTL_H 0x0020 /* Enable External SCSI Upper Termination */ #define ADW_TERM_CTL_L 0x0010 /* Enable External SCSI Lower Termination */ #define ADW_CABLE_DETECT 0x000F /* External SCSI Cable Connection Status */ /* * Addendum for ASC-38C0800 Chip * * The ASC-38C1600 Chip uses the same definitions except that the * bus mode override bits [12:10] have been moved to byte register * offset 0xE (IOPB_SOFT_OVER_WR) bits [12:10]. The [12:10] bits in * SCSI_CFG1 are read-only and always available. Bit 14 (DIS_TERM_DRV) * is not needed. The [12:10] bits in IOPB_SOFT_OVER_WR are write-only. * Also each ASC-38C1600 function or channel uses only cable bits [5:4] * and [1:0]. Bits [14], [7:6], [3:2] are unused. */ #define ADW_DIS_TERM_DRV 0x4000 /* 1: Read c_det[3:0], 0: cannot read */ #define ADW_HVD_LVD_SE 0x1C00 /* Device Detect Bits */ #define ADW_HVD 0x1000 /* HVD Device Detect */ #define ADW_LVD 0x0800 /* LVD Device Detect */ #define ADW_SE 0x0400 /* SE Device Detect */ #define ADW_TERM_LVD 0x00C0 /* LVD Termination Bits */ #define ADW_TERM_LVD_HI 0x0080 /* Enable LVD Upper Termination */ #define ADW_TERM_LVD_LO 0x0040 /* Enable LVD Lower Termination */ #define ADW_TERM_SE 0x0030 /* SE Termination Bits */ #define ADW_TERM_SE_HI 0x0020 /* Enable SE Upper Termination */ #define ADW_TERM_SE_LO 0x0010 /* Enable SE Lower Termination */ #define ADW_C_DET_LVD 0x000C /* LVD Cable Detect Bits */ #define ADW_C_DET3 0x0008 /* Cable Detect for LVD External Wide */ #define ADW_C_DET2 0x0004 /* Cable Detect for LVD Internal Wide */ #define ADW_C_DET_SE 0x0003 /* SE Cable Detect Bits */ #define ADW_C_DET1 0x0002 /* Cable Detect for SE Internal Wide */ #define ADW_C_DET0 0x0001 /* Cable Detect for SE Internal Narrow */ #define CABLE_ILLEGAL_A 0x7 /* x 0 0 0 | on on | Illegal (all 3 connectors are used) */ #define CABLE_ILLEGAL_B 0xB /* 0 x 0 0 | on on | Illegal (all 3 connectors are used) */ /* The following table details the SCSI_CFG1 Termination Polarity, Termination Control and Cable Detect bits. Cable Detect | Termination Bit 3 2 1 0 | 5 4 | Notes _____________|________|____________________ 1 1 1 0 | on on | Internal wide only 1 1 0 1 | on on | Internal narrow only 1 0 1 1 | on on | External narrow only 0 x 1 1 | on on | External wide only 1 1 0 0 | on off| Internal wide and internal narrow 1 0 1 0 | on off| Internal wide and external narrow 0 x 1 0 | off off| Internal wide and external wide 1 0 0 1 | on off| Internal narrow and external narrow 0 x 0 1 | on off| Internal narrow and external wide 1 1 1 1 | on on | No devices are attached x 0 0 0 | on on | Illegal (all 3 connectors are used) 0 x 0 0 | on on | Illegal (all 3 connectors are used) x means don't-care (either '0' or '1') If term_pol (bit 13) is '0' (active-low terminator enable), then: 'on' is '0' and 'off' is '1'. If term_pol bit is '1' (meaning active-hi terminator enable), then: 'on' is '1' and 'off' is '0'. */ /* * MEM_CFG Register bit definitions */ #define ADW_BIOS_EN 0x40 /* BIOS Enable MIO:14,EEP:14 */ #define ADW_FAST_EE_CLK 0x20 /* Diagnostic Bit */ #define ADW_RAM_SZ 0x1C /* Specify size of RAM to RISC */ #define ADW_RAM_SZ_2KB 0x00 /* 2 KB */ #define ADW_RAM_SZ_4KB 0x04 /* 4 KB */ #define ADW_RAM_SZ_8KB 0x08 /* 8 KB */ #define ADW_RAM_SZ_16KB 0x0C /* 16 KB */ #define ADW_RAM_SZ_32KB 0x10 /* 32 KB */ #define ADW_RAM_SZ_64KB 0x14 /* 64 KB */ /* * DMA_CFG0 Register bit definitions * * This register is only accessible to the host. */ #define BC_THRESH_ENB 0x80 /* PCI DMA Start Conditions */ #define FIFO_THRESH 0x70 /* PCI DMA FIFO Threshold */ #define FIFO_THRESH_16B 0x00 /* 16 bytes */ #define FIFO_THRESH_32B 0x20 /* 32 bytes */ #define FIFO_THRESH_48B 0x30 /* 48 bytes */ #define FIFO_THRESH_64B 0x40 /* 64 bytes */ #define FIFO_THRESH_80B 0x50 /* 80 bytes (default) */ #define FIFO_THRESH_96B 0x60 /* 96 bytes */ #define FIFO_THRESH_112B 0x70 /* 112 bytes */ #define START_CTL 0x0C /* DMA start conditions */ #define START_CTL_TH 0x00 /* Wait threshold level (default) */ #define START_CTL_ID 0x04 /* Wait SDMA/SBUS idle */ #define START_CTL_THID 0x08 /* Wait threshold and SDMA/SBUS idle */ #define START_CTL_EMFU 0x0C /* Wait SDMA FIFO empty/full */ #define READ_CMD 0x03 /* Memory Read Method */ #define READ_CMD_MR 0x00 /* Memory Read */ #define READ_CMD_MRL 0x02 /* Memory Read Long */ #define READ_CMD_MRM 0x03 /* Memory Read Multiple (default) */ /* * ASC-38C0800 RAM BIST Register bit definitions */ #define RAM_TEST_MODE 0x80 #define PRE_TEST_MODE 0x40 #define NORMAL_MODE 0x00 #define RAM_TEST_DONE 0x10 #define RAM_TEST_STATUS 0x0F #define RAM_TEST_HOST_ERROR 0x08 #define RAM_TEST_INTRAM_ERROR 0x04 #define RAM_TEST_RISC_ERROR 0x02 #define RAM_TEST_SCSI_ERROR 0x01 #define RAM_TEST_SUCCESS 0x00 #define PRE_TEST_VALUE 0x05 #define NORMAL_VALUE 0x00 /* * ASC38C1600 Definitions * * IOPB_PCI_INT_CFG Bit Field Definitions */ #define INTAB_LD 0x80 /* Value loaded from EEPROM Bit 11. */ /* * Bit 1 can be set to change the interrupt for the Function to operate in * Totem Pole mode. By default Bit 1 is 0 and the interrupt operates in * Open Drain mode. Both functions of the ASC38C1600 must be set to the same * mode, otherwise the operating mode is undefined. */ #define TOTEMPOLE 0x02 /* * Bit 0 can be used to change the Int Pin for the Function. The value is * 0 by default for both Functions with Function 0 using INT A and Function * B using INT B. For Function 0 if set, INT B is used. For Function 1 if set, * INT A is used. * * EEPROM Word 0 Bit 11 for each Function may change the initial Int Pin * value specified in the PCI Configuration Space. */ #define INTAB 0x01 #define ADW_MAX_TID 15 /* max. target identifier */ #define ADW_MAX_LUN 7 /* max. logical unit number */ /* * Adw Library Status Definitions */ #define ADW_TRUE 1 #define ADW_FALSE 0 #define ADW_NOERROR 1 #define ADW_SUCCESS 1 #define ADW_BUSY 0 #define ADW_ERROR (-1) /* * Warning code values for AdwInitFrom*EEP() functions */ #define ADW_WARN_BUSRESET_ERROR 0x0001 /* SCSI Bus Reset error */ #define ADW_WARN_EEPROM_CHKSUM 0x0002 /* EEP check sum error */ #define ADW_WARN_EEPROM_TERMINATION 0x0004 /* EEP termination bad field */ #define ADW_WARN_SET_PCI_CONFIG_SPACE 0x0080 /* PCI config space set error */ #define ADW_WARN_ERROR 0xFFFF /* ADW_ERROR return */ /* * Error code values for AdwInitAsc*Driver() functions */ #define ADW_IERR_WRITE_EEPROM 0x0001 /* write EEPROM error */ #define ADW_IERR_MCODE_CHKSUM 0x0002 /* micro code check sum error */ #define ADW_IERR_NO_CARRIER 0x0004 /* No more carrier memory. */ #define ADW_IERR_START_STOP_CHIP 0x0008 /* start/stop chip failed */ #define ADW_IERR_CHIP_VERSION 0x0040 /* wrong chip version */ #define ADW_IERR_SET_SCSI_ID 0x0080 /* set SCSI ID failed */ #define ADW_IERR_HVD_DEVICE 0x0100 /* HVD attached to LVD connector. */ #define ADW_IERR_BAD_SIGNATURE 0x0200 /* signature not found */ #define ADW_IERR_ILLEGAL_CONNECTION 0x0400 /* Illegal cable connection */ #define ADW_IERR_SINGLE_END_DEVICE 0x0800 /* Single-end used w/differential */ #define ADW_IERR_REVERSED_CABLE 0x1000 /* Narrow flat cable reversed */ #define ADW_IERR_BIST_PRE_TEST 0x2000 /* BIST pre-test error */ #define ADW_IERR_BIST_RAM_TEST 0x4000 /* BIST RAM test error */ #define ADW_IERR_BAD_CHIPTYPE 0x8000 /* Invalid 'chip_type' setting. */ /* * BIOS LRAM variable absolute offsets. */ #define BIOS_CODESEG 0x54 #define BIOS_CODELEN 0x56 #define BIOS_SIGNATURE 0x58 #define BIOS_VERSION 0x5A /* * Chip Type flag values */ #define ADW_CHIP_ASC3550 0x01 /* Ultra-Wide IC */ #define ADW_CHIP_ASC38C0800 0x02 /* Ultra2-Wide/LVD IC */ #define ADW_CHIP_ASC38C1600 0x03 /* Ultra3-Wide/LVD2 IC */ /* * Adapter temporary configuration structure * * This structure can be discarded after initialization. Don't add * fields here needed after initialization. * * Field naming convention: * * *_enable indicates the field enables or disables a feature. The * value of the field is never reset. */ typedef struct adw_dvc_cfg { u_int16_t disc_enable; /* enable disconnection */ u_int8_t chip_version; /* chip version */ u_int8_t termination; /* Term. Ctrl. bits 6-5 of SCSI_CFG1 */ u_int16_t pci_device_id; /* PCI device code number */ u_int16_t lib_version; /* Adw Library version number */ u_int16_t control_flag; /* Microcode Control Flag */ u_int16_t mcode_date; /* Microcode date */ u_int16_t mcode_version; /* Microcode version */ u_int16_t pci_slot_info; /* high byte device/function number bits 7-3 device num., bits 2-0 function num. low byte bus num. */ u_int16_t serial1; /* EEPROM serial number word 1 */ u_int16_t serial2; /* EEPROM serial number word 2 */ u_int16_t serial3; /* EEPROM serial number word 3 */ } ADW_DVC_CFG; #define NO_OF_SG_PER_BLOCK 15 typedef struct adw_sg_block { u_int8_t reserved1; u_int8_t reserved2; u_int8_t reserved3; u_int8_t sg_cnt; /* Valid entries in block. */ u_int32_t sg_ptr; /* links to next sg block */ struct { u_int32_t sg_addr; /* SG element address */ u_int32_t sg_count; /* SG element count */ } sg_list[NO_OF_SG_PER_BLOCK]; } ADW_SG_BLOCK; /* * Adapter operation variable structure. * * One structure is required per host adapter. * * Field naming convention: * * *_able indicates both whether a feature should be enabled or disabled * and whether a device is capable of the feature. At initialization * this field may be set, but later if a device is found to be incapable * of the feature, the field is cleared. */ #define CCB_HASH_SIZE 32 /* hash table size for phystokv */ #define CCB_HASH_SHIFT 9 #define CCB_HASH(x) ((((x)) >> CCB_HASH_SHIFT) & (CCB_HASH_SIZE - 1)) typedef int (* ADW_CALLBACK) (int); typedef struct adw_softc { struct device sc_dev; bus_space_tag_t sc_iot; bus_space_handle_t sc_ioh; bus_dma_tag_t sc_dmat; bus_dmamap_t sc_dmamap_control; /* maps the control structures */ bus_dmamap_t sc_dmamap_carrier; /* maps the carrier structures */ void *sc_ih; struct adw_control *sc_control; /* control structures */ struct adw_ccb *sc_ccbhash[CCB_HASH_SIZE]; TAILQ_HEAD(, adw_ccb) sc_free_ccb, sc_waiting_ccb; TAILQ_HEAD(adw_pending_ccb, adw_ccb) sc_pending_ccb; struct scsi_link sc_link; /* prototype for devs */ struct scsi_adapter sc_adapter; LIST_HEAD(, scsi_xfer) sc_queue; struct scsi_xfer *sc_queuelast; int sc_freeze_dev[ADW_MAX_TID+1]; ADW_CALLBACK isr_callback; /* pointer to function, called in AdwISR() */ ADW_CALLBACK async_callback; /* pointer to function, called in AdwISR() */ u_int16_t bios_ctrl; /* BIOS control word, EEPROM word 12 */ u_int16_t wdtr_able; /* try WDTR for a device */ u_int16_t sdtr_able; /* try SDTR for a device */ u_int16_t ultra_able; /* try SDTR Ultra speed for a device */ u_int16_t sdtr_speed1; /* EEPROM SDTR Speed for TID 0-3 */ u_int16_t sdtr_speed2; /* EEPROM SDTR Speed for TID 4-7 */ u_int16_t sdtr_speed3; /* EEPROM SDTR Speed for TID 8-11 */ u_int16_t sdtr_speed4; /* EEPROM SDTR Speed for TID 12-15 */ u_int16_t tagqng_able; /* try tagged queuing with a device */ u_int16_t ppr_able; /* PPR message capable per TID bitmask. */ u_int16_t start_motor; /* start motor command allowed */ u_int8_t max_dvc_qng; /* maximum number of tagged commands per device */ u_int8_t scsi_reset_wait; /* delay in seconds after scsi bus reset */ u_int8_t chip_no; /* should be assigned by caller */ u_int8_t max_host_qng; /* maximum number of Q'ed command allowed */ u_int8_t irq_no; /* IRQ number */ u_int8_t chip_type; /* chip SCSI target ID */ u_int16_t no_scam; /* scam_tolerant of EEPROM */ u_int32_t drv_ptr; /* driver pointer to private structure */ u_int8_t chip_scsi_id; /* chip SCSI target ID */ u_int8_t bist_err_code; u_int16_t carr_pending_cnt; /* Count of pending carriers. */ struct adw_carrier *carr_freelist; /* Carrier free list. */ struct adw_carrier *icq_sp; /* Initiator command queue stopper pointer. */ struct adw_carrier *irq_sp; /* Initiator response queue stopper pointer. */ /* * Note: The following fields will not be used after initialization. The * driver may discard the buffer after initialization is done. */ ADW_DVC_CFG cfg; /* temporary configuration structure */ } ADW_SOFTC; /* * ADW_SCSI_REQ_Q - microcode request structure * * All fields in this structure up to byte 60 are used by the microcode. * The microcode makes assumptions about the size and ordering of fields * in this structure. Do not change the structure definition here without * coordinating the change with the microcode. */ typedef struct adw_scsi_req_q { u_int8_t cntl; /* Ucode flags and state (ADW_MC_QC_*). */ u_int8_t target_cmd; u_int8_t target_id; /* Device target identifier. */ u_int8_t target_lun; /* Device target logical unit number. */ u_int32_t data_addr; /* Data buffer physical address. */ u_int32_t data_cnt; /* Data count. Ucode sets to residual. */ u_int32_t sense_addr; /* Sense buffer physical address. */ u_int32_t carr_ba; /* Carrier p-address */ u_int8_t mflag; /* Adw Library flag field. */ u_int8_t sense_len; /* Auto-sense length. uCode sets to residual. */ u_int8_t cdb_len; /* SCSI CDB length. Must <= 16 bytes. */ u_int8_t scsi_cntl; u_int8_t done_status; /* Completion status. (see below) */ u_int8_t scsi_status; /* SCSI status byte. (see below) */ u_int8_t host_status; /* ,uCode host status. (see below) */ u_int8_t sg_working_ix; /* ,uCode working SG variable. */ u_int8_t cdb[12]; /* SCSI CDB bytes 0-11. */ u_int32_t sg_real_addr; /* SG list physical address. */ u_int32_t scsiq_rptr; /* Internal pointer to ADW_SCSI_REQ_Q */ u_int8_t cdb16[4]; /* SCSI CDB bytes 12-15. */ u_int32_t ccb_ptr; /* CCB Physical Address */ u_int32_t carr_va; /* Carrier v-address (unused) */ /* * End of microcode structure - 60 bytes. The rest of the structure * is used by the Adw Library and ignored by the microcode. */ struct scsi_sense_data *vsense_addr; /* Sense buffer virtual address. */ u_char *vdata_addr; /* Data buffer virtual address. */ } ADW_SCSI_REQ_Q; /* * ADW_SCSI_REQ_Q 'done_status' return values. */ #define QD_NO_STATUS 0x00 /* Request not completed yet. */ #define QD_NO_ERROR 0x01 #define QD_ABORTED_BY_HOST 0x02 #define QD_WITH_ERROR 0x04 /* * ADW_SCSI_REQ_Q 'host_status' return values. */ #define QHSTA_NO_ERROR 0x00 #define QHSTA_M_SEL_TIMEOUT 0x11 #define QHSTA_M_DATA_OVER_RUN 0x12 #define QHSTA_M_UNEXPECTED_BUS_FREE 0x13 #define QHSTA_M_QUEUE_ABORTED 0x15 #define QHSTA_M_SXFR_SDMA_ERR 0x16 /* SXFR_STATUS SCSI DMA Error */ #define QHSTA_M_SXFR_SXFR_PERR 0x17 /* SXFR_STATUS SCSI Bus Parity Error */ #define QHSTA_M_RDMA_PERR 0x18 /* RISC PCI DMA parity error */ #define QHSTA_M_SXFR_OFF_UFLW 0x19 /* SXFR_STATUS Offset Underflow */ #define QHSTA_M_SXFR_OFF_OFLW 0x20 /* SXFR_STATUS Offset Overflow */ #define QHSTA_M_SXFR_WD_TMO 0x21 /* SXFR_STATUS Watchdog Timeout */ #define QHSTA_M_SXFR_DESELECTED 0x22 /* SXFR_STATUS Deselected */ /* Note: QHSTA_M_SXFR_XFR_OFLW is identical to QHSTA_M_DATA_OVER_RUN. */ #define QHSTA_M_SXFR_XFR_OFLW 0x12 /* SXFR_STATUS Transfer Overflow */ #define QHSTA_M_SXFR_XFR_PH_ERR 0x24 /* SXFR_STATUS Transfer Phase Error */ #define QHSTA_M_SXFR_UNKNOWN_ERROR 0x25 /* SXFR_STATUS Unknown Error */ #define QHSTA_M_SCSI_BUS_RESET 0x30 /* Request aborted from SBR */ #define QHSTA_M_SCSI_BUS_RESET_UNSOL 0x31 /* Request aborted from unsol. SBR */ #define QHSTA_M_BUS_DEVICE_RESET 0x32 /* Request aborted from BDR */ #define QHSTA_M_DIRECTION_ERR 0x35 /* Data Phase mismatch */ #define QHSTA_M_DIRECTION_ERR_HUNG 0x36 /* Data Phase mismatch and bus hang */ #define QHSTA_M_WTM_TIMEOUT 0x41 #define QHSTA_M_BAD_CMPL_STATUS_IN 0x42 #define QHSTA_M_NO_AUTO_REQ_SENSE 0x43 #define QHSTA_M_AUTO_REQ_SENSE_FAIL 0x44 #define QHSTA_M_INVALID_DEVICE 0x45 /* Bad target ID */ #define QHSTA_M_FROZEN_TIDQ 0x46 /* TID Queue frozen. */ #define QHSTA_M_SGBACKUP_ERROR 0x47 /* Scatter-Gather backup error */ /* * Microcode idle loop commands */ #define IDLE_CMD_COMPLETED 0 #define IDLE_CMD_STOP_CHIP 0x0001 #define IDLE_CMD_STOP_CHIP_SEND_INT 0x0002 #define IDLE_CMD_SEND_INT 0x0004 #define IDLE_CMD_ABORT 0x0008 #define IDLE_CMD_DEVICE_RESET 0x0010 #define IDLE_CMD_SCSI_RESET_START 0x0020 /* Assert SCSI Bus Reset */ #define IDLE_CMD_SCSI_RESET_END 0x0040 /* Deassert SCSI Bus Reset */ #define IDLE_CMD_SCSIREQ 0x0080 #define IDLE_CMD_STATUS_SUCCESS 0x0001 #define IDLE_CMD_STATUS_FAILURE 0x0002 /* * AdwSendIdleCmd() flag definitions. */ #define ADW_NOWAIT 0x01 /* * Wait loop time out values. */ #define SCSI_WAIT_10_SEC 10UL /* 10 seconds */ #define SCSI_WAIT_100_MSEC 100UL /* 100 milliseconds */ #define SCSI_US_PER_MSEC 1000 /* microseconds per millisecond */ #define SCSI_MS_PER_SEC 1000UL /* milliseconds per second */ #define SCSI_MAX_RETRY 10 /* retry count */ #define ADW_ASYNC_RDMA_FAILURE 0x01 /* Fatal RDMA failure. */ #define ADW_ASYNC_SCSI_BUS_RESET_DET 0x02 /* Detected SCSI Bus Reset. */ #define ADW_ASYNC_CARRIER_READY_FAILURE 0x03 /* Carrier Ready failure. */ #define ADW_HOST_SCSI_BUS_RESET 0x80 /* Host Initiated SCSI Bus Reset. */ /* Read byte from a register. */ #define ADW_READ_BYTE_REGISTER(iot, ioh, reg_off) \ bus_space_read_1((iot), (ioh), (reg_off)) /* Write byte to a register. */ #define ADW_WRITE_BYTE_REGISTER(iot, ioh, reg_off, byte) \ bus_space_write_1((iot), (ioh), (reg_off), (byte)) /* Read word (2 bytes) from a register. */ #define ADW_READ_WORD_REGISTER(iot, ioh, reg_off) \ bus_space_read_2((iot), (ioh), (reg_off)) /* Write word (2 bytes) to a register. */ #define ADW_WRITE_WORD_REGISTER(iot, ioh, reg_off, word) \ bus_space_write_2((iot), (ioh), (reg_off), (word)) /* Write double word (4 bytes) to a register. */ #define ADW_WRITE_DWORD_REGISTER(iot, ioh, reg_off, dword) \ bus_space_write_4((iot), (ioh), (reg_off), (dword)) /* Read byte from LRAM. */ #define ADW_READ_BYTE_LRAM(iot, ioh, addr, byte) \ do { \ bus_space_write_2((iot), (ioh), IOPW_RAM_ADDR, (addr)); \ (byte) = bus_space_read_1((iot), (ioh), IOPB_RAM_DATA); \ } while (0) /* Write byte to LRAM. */ #define ADW_WRITE_BYTE_LRAM(iot, ioh, addr, byte) \ do { \ bus_space_write_2((iot), (ioh), IOPW_RAM_ADDR, (addr)); \ bus_space_write_1((iot), (ioh), IOPB_RAM_DATA, (byte)); \ } while (0) /* Read word (2 bytes) from LRAM. */ #define ADW_READ_WORD_LRAM(iot, ioh, addr, word) \ do { \ bus_space_write_2((iot), (ioh), IOPW_RAM_ADDR, (addr)); \ (word) = bus_space_read_2((iot), (ioh), IOPW_RAM_DATA); \ } while (0) /* Write word (2 bytes) to LRAM. */ #define ADW_WRITE_WORD_LRAM(iot, ioh, addr, word) \ do { \ bus_space_write_2((iot), (ioh), IOPW_RAM_ADDR, (addr)); \ bus_space_write_2((iot), (ioh), IOPW_RAM_DATA, (word)); \ } while (0) /* Write double word (4 bytes) to LRAM */ /* Because of unspecified C language ordering don't use auto-increment. */ #define ADW_WRITE_DWORD_LRAM(iot, ioh, addr, dword) \ do { \ bus_space_write_2((iot), (ioh), IOPW_RAM_ADDR, (addr)); \ bus_space_write_2((iot), (ioh), IOPW_RAM_DATA, \ (u_int16_t) ((dword) & 0xFFFF)); \ bus_space_write_2((iot), (ioh), IOPW_RAM_ADDR, (addr) + 2); \ bus_space_write_2((iot), (ioh), IOPW_RAM_DATA, \ (u_int16_t) ((dword >> 16) & 0xFFFF)); \ } while (0) /* Read word (2 bytes) from LRAM assuming that the address is already set. */ #define ADW_READ_WORD_AUTO_INC_LRAM(iot, ioh) \ bus_space_read_2((iot), (ioh), IOPW_RAM_DATA) \ /* Write word (2 bytes) to LRAM assuming that the address is already set. */ #define ADW_WRITE_WORD_AUTO_INC_LRAM(iot, ioh, word) \ bus_space_write_2((iot), (ioh), IOPW_RAM_DATA, (word)) /* * Define macro to check for Condor signature. * * Evaluate to ADW_TRUE if a Condor chip is found the specified port * address 'iop_base'. Otherwise evalue to ADW_FALSE. */ #define ADW_FIND_SIGNATURE(iot, ioh) \ (((ADW_READ_BYTE_REGISTER((iot), (ioh), IOPB_CHIP_ID_1) == \ ADW_CHIP_ID_BYTE) && \ (ADW_READ_WORD_REGISTER((iot), (ioh), IOPW_CHIP_ID_0) == \ ADW_CHIP_ID_WORD)) ? ADW_TRUE : ADW_FALSE) /* * Define macro to Return the version number of the chip at 'iop_base'. * * The second parameter 'bus_type' is currently unused. */ #define ADW_GET_CHIP_VERSION(iot, ioh, bus_type) \ ADW_READ_BYTE_REGISTER((iot), (ioh), IOPB_CHIP_TYPE_REV) /* * Abort a CCB in the chip's RISC Memory. The 'ccb_ptr' argument must * match the ADW_SCSI_REQ_Q 'ccb_ptr' field. * * If the request has not yet been sent to the device it will simply be * aborted from RISC memory. If the request is disconnected it will be * aborted on reselection by sending an Abort Message to the target ID. * * Return value: * ADW_TRUE(1) - ccb was successfully aborted. * ADW_FALSE(0) - ccb was not found on the active queue list. */ #define ADW_ABORT_CCB(sc, ccb_ptr) \ AdwSendIdleCmd((sc), (u_int16_t) IDLE_CMD_ABORT, (ccb_ptr)->hashkey) /* * Send a Bus Device Reset Message to the specified target ID. * * All outstanding commands will be purged if sending the * Bus Device Reset Message is successful. * * Return Value: * ADW_TRUE(1) - All requests on the target are purged. * ADW_FALSE(0) - Couldn't issue Bus Device Reset Message; Requests * are not purged. */ #define ADW_RESET_DEVICE(sc, target_id) \ AdwSendIdleCmd((sc), (u_int16_t) IDLE_CMD_DEVICE_RESET, (target_id), 0) /* * SCSI Wide Type definition. */ #define ADW_SCSI_BIT_ID_TYPE u_int16_t /* * AdwInitScsiTarget() 'cntl_flag' options. */ #define ADW_SCAN_LUN 0x01 #define ADW_CAPINFO_NOLUN 0x02 /* * Convert target id to target id bit mask. */ #define ADW_TID_TO_TIDMASK(tid) (0x01 << ((tid) & ADW_MAX_TID)) /* * SCSI Inquiry structure */ #define INQ_CLOCKING_ST_ONLY 0x0 #define INQ_CLOCKING_DT_ONLY 0x1 #define INQ_CLOCKING_ST_AND_DT 0x3 typedef struct { u_int8_t peri_dvc_type : 5; /* peripheral device type */ u_int8_t peri_qualifier : 3; /* peripheral qualifier */ u_int8_t dvc_type_modifier : 7; /* device type modifier (for SCSI I) */ u_int8_t rmb : 1; /* RMB - removable medium bit */ u_int8_t ansi_apr_ver : 3; /* ANSI approved version */ u_int8_t ecma_ver : 3; /* ECMA version */ u_int8_t iso_ver : 2; /* ISO version */ u_int8_t rsp_data_fmt : 4; /* response data format */ /* 0 SCSI 1 */ /* 1 CCS */ /* 2 SCSI-2 */ /* 3-F reserved */ u_int8_t res1 : 2; /* reserved */ u_int8_t TemIOP : 1; /* terminate I/O process bit (see 5.6.22) */ u_int8_t aenc : 1; /* asynch. event notification (processor) */ u_int8_t add_len; /* additional length */ u_int8_t res2 : 7; /* reserved */ u_int8_t SCC : 1; u_int8_t Addr16 : 1; u_int8_t res3 : 2; /* reserved */ u_int8_t MChngr : 1; u_int8_t MultiPort: 1; u_int8_t res4 : 1; u_int8_t EncServ : 1; u_int8_t BaseQue : 1; u_int8_t StfRe : 1; /* soft reset implemented */ u_int8_t CmdQue : 1; /* command queuing */ u_int8_t res5 : 1; /* reserved */ u_int8_t Linked : 1; /* linked command for this logical unit */ u_int8_t Sync : 1; /* synchronous data transfer */ u_int8_t WBus16 : 1; /* wide bus 16 bit data transfer */ u_int8_t WBus32 : 1; /* wide bus 32 bit data transfer */ u_int8_t RelAdr : 1; /* relative addressing mode */ u_int8_t vendor_id[8]; /* vendor identification */ u_int8_t product_id[16]; /* product identification */ u_int8_t product_rev_level[4]; /* product revision level */ u_int8_t vendor_specific[20]; /* vendor specific */ u_int8_t IUS : 1; /* information unit supported */ u_int8_t QAS : 1; /* quick arbitrate supported */ u_int8_t Clocking : 2; /* clocking field */ u_int8_t res6 : 4; /* reserved */ u_int8_t res7; /* reserved */ u_int8_t version_descriptor[8][2]; } ADW_SCSI_INQUIRY; /* 74 bytes */ /* * Adw Library functions available to drivers. */ int AdwInitFromEEPROM(ADW_SOFTC *); int AdwInitDriver(ADW_SOFTC *); int AdwExeScsiQueue(ADW_SOFTC *, ADW_SCSI_REQ_Q *); int AdwISR(ADW_SOFTC *); void AdwResetChip(bus_space_tag_t, bus_space_handle_t); int AdwSendIdleCmd(ADW_SOFTC *, u_int16_t, u_int32_t); int AdwResetSCSIBus(ADW_SOFTC *); int AdwResetCCB(ADW_SOFTC *); #endif /* _ADVANSYS_WIDE_LIBRARY_H_ */