![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to aha1542.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [GnuMach] / Gnu-Mach / i386 / i386at / gpl / linux / scsi|
Return to aha1542.h CVS log | Up to [GnuMach] / Gnu-Mach / i386 / i386at / gpl / linux / scsi |
1.1 root 1: #ifndef _AHA1542_H
2:
3: /* $Id: aha1542.h,v 1.1.1.1 1997/02/25 21:27:46 thomas Exp $
4: *
5: * Header file for the adaptec 1542 driver for Linux
6: *
7: * $Log: aha1542.h,v $
8: * Revision 1.1.1.1 1997/02/25 21:27:46 thomas
9: * Initial source
10: *
11: * Revision 1.1.1.1 1996/10/30 01:40:02 thomas
12: * Imported from UK22
13: *
14: * Revision 1.1 1996/03/25 20:25:20 goel
15: * Linux driver merge.
16: *
17: * Revision 1.1 1992/07/24 06:27:38 root
18: * Initial revision
19: *
20: * Revision 1.2 1992/07/04 18:41:49 root
21: * Replaced distribution with current drivers
22: *
23: * Revision 1.3 1992/06/23 23:58:20 root
24: * Fixes.
25: *
26: * Revision 1.2 1992/05/26 22:13:23 root
27: * Changed bug that prevented DMA above first 2 mbytes.
28: *
29: * Revision 1.1 1992/05/22 21:00:29 root
30: * Initial revision
31: *
32: * Revision 1.1 1992/04/24 18:01:50 root
33: * Initial revision
34: *
35: * Revision 1.1 1992/04/02 03:23:13 drew
36: * Initial revision
37: *
38: * Revision 1.3 1992/01/27 14:46:29 tthorn
39: * *** empty log message ***
40: *
41: */
42:
43: #include <linux/types.h>
44: #include <linux/kdev_t.h>
45:
46: /* I/O Port interface 4.2 */
47: /* READ */
48: #define STATUS(base) base
49: #define STST 0x80 /* Self Test in Progress */
50: #define DIAGF 0x40 /* Internal Diagnostic Failure */
51: #define INIT 0x20 /* Mailbox Initialization Required */
52: #define IDLE 0x10 /* SCSI Host Adapter Idle */
53: #define CDF 0x08 /* Command/Data Out Port Full */
54: #define DF 0x04 /* Data In Port Full */
55: #define INVDCMD 0x01 /* Invalid H A Command */
56: #define STATMASK 0xfd /* 0x02 is reserved */
57:
58: #define INTRFLAGS(base) (STATUS(base)+2)
59: #define ANYINTR 0x80 /* Any Interrupt */
60: #define SCRD 0x08 /* SCSI Reset Detected */
61: #define HACC 0x04 /* HA Command Complete */
62: #define MBOA 0x02 /* MBO Empty */
63: #define MBIF 0x01 /* MBI Full */
64: #define INTRMASK 0x8f
65:
66: /* WRITE */
67: #define CONTROL(base) STATUS(base)
68: #define HRST 0x80 /* Hard Reset */
69: #define SRST 0x40 /* Soft Reset */
70: #define IRST 0x20 /* Interrupt Reset */
71: #define SCRST 0x10 /* SCSI Bus Reset */
72:
73: /* READ/WRITE */
74: #define DATA(base) (STATUS(base)+1)
75: #define CMD_NOP 0x00 /* No Operation */
76: #define CMD_MBINIT 0x01 /* Mailbox Initialization */
77: #define CMD_START_SCSI 0x02 /* Start SCSI Command */
78: #define CMD_INQUIRY 0x04 /* Adapter Inquiry */
79: #define CMD_EMBOI 0x05 /* Enable MailBox Out Interrupt */
80: #define CMD_BUSON_TIME 0x07 /* Set Bus-On Time */
81: #define CMD_BUSOFF_TIME 0x08 /* Set Bus-Off Time */
82: #define CMD_DMASPEED 0x09 /* Set AT Bus Transfer Speed */
83: #define CMD_RETDEVS 0x0a /* Return Installed Devices */
84: #define CMD_RETCONF 0x0b /* Return Configuration Data */
85: #define CMD_RETSETUP 0x0d /* Return Setup Data */
86: #define CMD_ECHO 0x1f /* ECHO Command Data */
87:
88: #define CMD_EXTBIOS 0x28 /* Return extend bios information only 1542C */
89: #define CMD_MBENABLE 0x29 /* Set Mailbox Interface enable only 1542C */
90:
91: /* Mailbox Definition 5.2.1 and 5.2.2 */
92: struct mailbox {
93: unchar status; /* Command/Status */
94: unchar ccbptr[3]; /* msb, .., lsb */
95: };
96:
97: /* This is used with scatter-gather */
98: struct chain {
99: unchar datalen[3]; /* Size of this part of chain */
100: unchar dataptr[3]; /* Location of data */
101: };
102:
103: /* These belong in scsi.h also */
104: #define any2scsi(up, p) \
105: (up)[0] = (((unsigned long)(p)) >> 16) ; \
106: (up)[1] = (((unsigned long)(p)) >> 8); \
107: (up)[2] = ((unsigned long)(p));
108:
109: #define scsi2int(up) ( (((long)*(up)) << 16) + (((long)(up)[1]) << 8) + ((long)(up)[2]) )
110:
111: #define xany2scsi(up, p) \
112: (up)[0] = ((long)(p)) >> 24; \
113: (up)[1] = ((long)(p)) >> 16; \
114: (up)[2] = ((long)(p)) >> 8; \
115: (up)[3] = ((long)(p));
116:
117: #define xscsi2int(up) ( (((long)(up)[0]) << 24) + (((long)(up)[1]) << 16) \
118: + (((long)(up)[2]) << 8) + ((long)(up)[3]) )
119:
120: #define MAX_CDB 12
121: #define MAX_SENSE 14
122:
123: struct ccb { /* Command Control Block 5.3 */
124: unchar op; /* Command Control Block Operation Code */
125: unchar idlun; /* op=0,2:Target Id, op=1:Initiator Id */
126: /* Outbound data transfer, length is checked*/
127: /* Inbound data transfer, length is checked */
128: /* Logical Unit Number */
129: unchar cdblen; /* SCSI Command Length */
130: unchar rsalen; /* Request Sense Allocation Length/Disable */
131: unchar datalen[3]; /* Data Length (msb, .., lsb) */
132: unchar dataptr[3]; /* Data Pointer */
133: unchar linkptr[3]; /* Link Pointer */
134: unchar commlinkid; /* Command Linking Identifier */
135: unchar hastat; /* Host Adapter Status (HASTAT) */
136: unchar tarstat; /* Target Device Status */
137: unchar reserved[2];
138: unchar cdb[MAX_CDB+MAX_SENSE];/* SCSI Command Descriptor Block */
139: /* REQUEST SENSE */
140: };
141:
142: int aha1542_detect(Scsi_Host_Template *);
143: int aha1542_command(Scsi_Cmnd *);
144: int aha1542_queuecommand(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
145: int aha1542_abort(Scsi_Cmnd *);
146: int aha1542_reset(Scsi_Cmnd *);
147: int aha1542_biosparam(Disk *, kdev_t, int*);
148:
149: #define AHA1542_MAILBOXES 8
150: #define AHA1542_SCATTER 16
151: #define AHA1542_CMDLUN 1
152:
153: #ifndef NULL
154: #define NULL 0
155: #endif
156:
157: extern struct proc_dir_entry proc_scsi_aha1542;
158:
159: #define AHA1542 { NULL, NULL, \
160: &proc_scsi_aha1542,/* proc_dir_entry */ \
161: NULL, \
162: "Adaptec 1542", \
163: aha1542_detect, \
164: NULL, \
165: NULL, \
166: aha1542_command, \
167: aha1542_queuecommand, \
168: aha1542_abort, \
169: aha1542_reset, \
170: NULL, \
171: aha1542_biosparam, \
172: AHA1542_MAILBOXES, \
173: 7, \
174: AHA1542_SCATTER, \
175: AHA1542_CMDLUN, \
176: 0, \
177: 1, \
178: ENABLE_CLUSTERING}
179:
180: #endif
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.