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simh-testsetgenerator/3B2/3b2_scsi.h
Seth Morabito 84bf5f4d14 3b2: Update README.md and correct line endings 
This change updates the 3B2 README.md file, and fixes
all line endings on 3B2 source files.
2022-09-19 09:37:17 -07:00

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/* 3b2_scsi.h: CM195W SCSI Controller CIO Card
Copyright (c) 2020-2022, Seth J. Morabito
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without
restriction, including without limitation the rights to use, copy,
modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
Except as contained in this notice, the name of the author shall
not be used in advertising or otherwise to promote the sale, use or
other dealings in this Software without prior written authorization
from the author.
*/
#ifndef _3B2_SCSI_H_
#define _3B2_SCSI_H_
#include "3b2_defs.h"
/* CIO Opcodes */
#define HA_BOOT 0x0a
#define HA_READ_BLK 0x0b
#define HA_WRITE_BLK 0x0c
#define HA_CNTRL 0x20
#define HA_VERS 0x40
#define HA_DL_EEDT 0x42
#define HA_UL_EEDT 0x43
#define HA_EDSD 0x44
#define HA_RESET 0x45
#define HA_TESTRDY 0x00
#define HA_FORMAT 0x04
#define HA_WRITE 0x0a
#define HA_INQUIRY 0x12
#define HA_MODESEL 0x15
#define HA_MODESNS 0x1a
#define HA_RDCPCTY 0x25
#define HA_READ 0x08
#define HA_READEXT 0x28
#define HA_WRTEXT 0x2a
#define HA_VERIFY 0x2f
#define HA_PDLS_OFF 0x28
/* CIO Status */
#define CIO_TIMEOUT 0x65
#define HA_BOOT_ADDR 0x2004000
#define HA_PDINFO_ADDR 0x2004400
#define HA_ID 0x0100
#define HA_IPL 12
#define HA_GOOD 0x00
#define HA_CKCON 0x02
#define HA_DSD_DISK 0x100
#define HA_DSD_TAPE 0x101
#define HA_VERSION 0x01
#define SCQRESIZE 24
#define RAPP_LEN (SCQRESIZE - 8)
#define SCQCESIZE 16
#define CAPP_LEN (SCQCESIZE - 8)
#define FC_TC(x) (((x) >> 3) & 7)
#define FC_LU(x) ((x) & 7)
#define HA_EDT_LEN 1024
#define HA_BLKSZ 512
#define HA_MAX_CMD 12
#define INQUIRY_MAX 36
#define HA_STAT(tc,ha_stat,cio_stat) { \
ha_state.ts[tc].rep.ssb = (ha_stat); \
ha_state.ts[tc].rep.status = (cio_stat); \
}
#define HA_MAX_DTYPE 4
/* Hardware Notes
* ==============
*
* Disk Drives
* -----------
*
* There are two emulated SCSI disk drives available.
*
* 1. 155 MB CDC Wren III (CDC 94161-9)
* 2. 327 MB CDC Wren IV (CDC 94171-9)
*
* The CDC 94161-9 was also OEMed as the "AT&T KS23483,L3"
* The CDC 94171-9 was also OEMed as the "AT&T KS23483,L25"
*
*
* Tape Drive
* ----------
*
* Wangtek 5125EN (AT&T Part number KS23417,L2)
*
* DC600A cartridge tape at 120MB (QIC-120 format)
*
*/
/* Other SCSI hard disk types
* ---------------------------
*
* These geometries are supported natively and automatically
* by System V Release 3.2.3 UNIX.
*
* 1. CDC 94161-9 155 MB/148 MiB 512 B/s, 35 s/t, 9 head, 965 cyl
* 2. AT&T KS23483 327 MB/312 MiB 512 B/s, 46 s/t, 9 head, 1547 cyl
* (a.k.a CDC 94171-9)
*
* Also supported was a SCSI-to-ESDI bridge controller that used the
* Emulex MD23/S2 SCSI-to-ESDI bridge. It allowed up to four ESDI
* drives to be mapped as LUNs 0-3.
*
*/
/* AT&T 155 MB Hard Disk (35 sec/t, 9 hd, 964 cyl) */
#define SD155_DTYPE 0
#define SD155_PQUAL 0x00
#define SD155_SCSI 1
#define SD155_BLK 512
#define SD155_LBN 303660
#define SD155_MANU "AT&T"
#define SD155_DESC "KS23483"
#define SD155_REV "0000"
/* AT&T 300 MB Hard Disk (43 sec/t, 9 hd, 1514 cyl) */
#define SD300_DTYPE 1
#define SD300_PQUAL 0x00
#define SD300_SCSI 1
#define SD300_BLK 512
#define SD300_LBN 585937
#define SD300_MANU "AT&T"
#define SD300_DESC "KS23483"
#define SD300_REV "0000"
/* AT&T 327 MB Hard Disk (46 sec/t, 9 hd, 1547 cyl) */
#define SD327_DTYPE 2
#define SD327_PQUAL 0x00
#define SD327_SCSI 1
#define SD327_BLK 512
#define SD327_LBN 640458
#define SD327_MANU "AT&T"
#define SD327_DESC "KS23483"
#define SD327_REV "0000"
/* AT&T 630 MB Hard Disk (56 sec/t, 16 hd, 1447 cyl) */
#define SD630_DTYPE 3
#define SD630_PQUAL 0x00
#define SD630_SCSI 1
#define SD630_BLK 512
#define SD630_LBN 1296512
#define SD630_MANU "AT&T"
#define SD630_DESC "KS23483"
#define SD630_REV "0000"
/* Wangtek 120MB cartridge tape */
#define ST120_DTYPE 4
#define ST120_PQUAL 0x00
#define ST120_SCSI 1
#define ST120_BLK 512
#define ST120_LBN 1
#define ST120_MANU "WANGTEK"
#define ST120_DESC "KS23465"
#define ST120_REV "CX17"
#define UNIT_V_DTYPE (SCSI_V_UF + 0)
#define UNIT_M_DTYPE 0x1f
#define UNIT_DTYPE (UNIT_M_DTYPE << UNIT_V_DTYPE)
#define GET_DTYPE(x) (((x) >> UNIT_V_DTYPE) & UNIT_M_DTYPE)
#define HA_DISK(d) \
{ SCSI_DISK, d##_PQUAL, d##_SCSI, FALSE, d##_BLK, \
d##_LBN, d##_MANU, d##_DESC, d##_REV, #d }
#define HA_TAPE(d) \
{ SCSI_TAPE, d##_PQUAL, d##_SCSI, TRUE, d##_BLK, \
d##_LBN, d##_MANU, d##_DESC, d##_REV, #d }
#define HA_SIZE(d) d##_LBN
#define HA_JOB_QUICK 0
#define HA_JOB_EXPRESS 1
#define HA_JOB_FULL 2
typedef uint8 ha_jobtype;
typedef struct {
uint32 addr;
uint32 len;
} haddr;
/*
* SCSI Command Request
*/
typedef struct {
uint8 op; /* Destructured from the cmd byte array */
uint8 tc;
uint8 lu;
uint32 timeout;
uint8 dlen;
haddr daddr[48]; /* Support up to 48 transfer addresses */
uint32 dma_lst;
uint16 cmd_len;
uint8 cmd[HA_MAX_CMD];
} ha_req;
/*
* SCSI Command Response
*/
typedef struct {
ha_jobtype type; /* Job type */
uint8 status; /* Result Status */
uint8 op; /* Command Opcode */
uint8 subdev; /* XXTTTLLL; T=Target, L=LUN */
uint8 ssb; /* SCSI Status Byte */
uint32 addr; /* Response address */
uint32 len; /* Response length */
} ha_resp;
#define PUMP_NONE 0
#define PUMP_SYSGEN 1
#define PUMP_COMPLETE 2
/*
* SCSI Target state
*/
typedef struct {
t_bool pending; /* Service pending */
ha_req req; /* SCSI job request */
ha_resp rep; /* SCSI job reply */
} ha_ts;
/*
* General SCSI HA internal state.
*/
typedef struct {
uint8 slot; /* Card Backsplane Slot # */
uint32 pump_state;
t_bool frq; /* Fast Request Queue enabled */
uint8 edt[HA_EDT_LEN]; /* Equipped Device Table */
ha_ts ts[8]; /* Target state */
} HA_STATE;
t_stat ha_show_type(FILE *st, UNIT *uptr, int32 val, CONST void *desc);
t_stat ha_set_type(UNIT *uptr, int32 val, CONST char *cptr, void *desc);
t_stat ha_reset(DEVICE *dptr);
t_stat ha_svc(UNIT *uptr);
t_stat ha_rq_svc(UNIT *uptr);
t_stat ha_attach(UNIT *uptr, CONST char *cptr);
t_stat ha_detach(UNIT *uptr);
void ha_fast_queue_check();
void ha_sysgen(uint8 slot);
void ha_express(uint8 slot);
void ha_full(uint8 slot);
/* Fast Completion */
void ha_fcm_express(uint8 target);
#endif /* _3B2_SCSI_H_ */
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