| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * ultrastor.c (C) 1991 David B. Gentzel |
| 3 | * Low-level scsi driver for UltraStor 14F |
| 4 | * by David B. Gentzel, Whitfield Software Services, Carnegie, PA |
| 5 | * (gentzel@nova.enet.dec.com) |
| 6 | * scatter/gather added by Scott Taylor (n217cg@tamuts.tamu.edu) |
| 7 | * 24F support by John F. Carr (jfc@athena.mit.edu) |
| 8 | * John's work modified by Caleb Epstein (cae@jpmorgan.com) and |
| 9 | * Eric Youngdale (eric@tantalus.nrl.navy.mil). |
| 10 | * Thanks to UltraStor for providing the necessary documentation |
| 11 | */ |
| 12 | |
| 13 | #ifndef _ULTRASTOR_H |
| 14 | #define _ULTRASTOR_H |
| 15 | |
| 16 | static int ultrastor_detect(Scsi_Host_Template *); |
| 17 | static const char *ultrastor_info(struct Scsi_Host * shpnt); |
| 18 | static int ultrastor_queuecommand(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)); |
| 19 | static int ultrastor_abort(Scsi_Cmnd *); |
| 20 | static int ultrastor_host_reset(Scsi_Cmnd *); |
| 21 | static int ultrastor_biosparam(struct scsi_device *, struct block_device *, sector_t, int *); |
| 22 | |
| 23 | |
| 24 | #define ULTRASTOR_14F_MAX_SG 16 |
| 25 | #define ULTRASTOR_24F_MAX_SG 33 |
| 26 | |
| 27 | #define ULTRASTOR_MAX_CMDS_PER_LUN 5 |
| 28 | #define ULTRASTOR_MAX_CMDS 16 |
| 29 | |
| 30 | #define ULTRASTOR_24F_PORT 0xC80 |
| 31 | |
| 32 | |
| 33 | #ifdef ULTRASTOR_PRIVATE |
| 34 | |
| 35 | #define UD_ABORT 0x0001 |
| 36 | #define UD_COMMAND 0x0002 |
| 37 | #define UD_DETECT 0x0004 |
| 38 | #define UD_INTERRUPT 0x0008 |
| 39 | #define UD_RESET 0x0010 |
| 40 | #define UD_MULTI_CMD 0x0020 |
| 41 | #define UD_CSIR 0x0040 |
| 42 | #define UD_ERROR 0x0080 |
| 43 | |
| 44 | /* #define PORT_OVERRIDE 0x330 */ |
| 45 | |
| 46 | /* Values for the PRODUCT_ID ports for the 14F */ |
| 47 | #define US14F_PRODUCT_ID_0 0x56 |
| 48 | #define US14F_PRODUCT_ID_1 0x40 /* NOTE: Only upper nibble is used */ |
| 49 | |
| 50 | #define US24F_PRODUCT_ID_0 0x56 |
| 51 | #define US24F_PRODUCT_ID_1 0x63 |
| 52 | #define US24F_PRODUCT_ID_2 0x02 |
| 53 | |
| 54 | /* Subversion values */ |
| 55 | #define U14F 0 |
| 56 | #define U34F 1 |
| 57 | |
| 58 | /* MSCP field values */ |
| 59 | |
| 60 | /* Opcode */ |
| 61 | #define OP_HOST_ADAPTER 0x1 |
| 62 | #define OP_SCSI 0x2 |
| 63 | #define OP_RESET 0x4 |
| 64 | |
| 65 | /* Date Transfer Direction */ |
| 66 | #define DTD_SCSI 0x0 |
| 67 | #define DTD_IN 0x1 |
| 68 | #define DTD_OUT 0x2 |
| 69 | #define DTD_NONE 0x3 |
| 70 | |
| 71 | /* Host Adapter command subcodes */ |
| 72 | #define HA_CMD_INQUIRY 0x1 |
| 73 | #define HA_CMD_SELF_DIAG 0x2 |
| 74 | #define HA_CMD_READ_BUFF 0x3 |
| 75 | #define HA_CMD_WRITE_BUFF 0x4 |
| 76 | |
| 77 | #endif |
| 78 | |
| 79 | #endif |