1 /**************************************************************************
2 * Initio 9100 device driver for Linux.
4 * Copyright (c) 1994-1998 Initio Corporation
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2, or (at your option)
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; see the file COPYING. If not, write to
19 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
21 * --------------------------------------------------------------------------
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the above copyright
27 * notice, this list of conditions, and the following disclaimer,
28 * without modification, immediately at the beginning of the file.
29 * 2. Redistributions in binary form must reproduce the above copyright
30 * notice, this list of conditions and the following disclaimer in the
31 * documentation and/or other materials provided with the distribution.
32 * 3. The name of the author may not be used to endorse or promote products
33 * derived from this software without specific prior written permission.
35 * Where this Software is combined with software released under the terms of
36 * the GNU General Public License ("GPL") and the terms of the GPL would require the
37 * combined work to also be released under the terms of the GPL, the terms
38 * and conditions of this License will apply in addition to those of the
39 * GPL with the exception of any terms or conditions of this License that
40 * conflict with, or are expressly prohibited by, the GPL.
42 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
43 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
44 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
45 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
46 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
47 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
48 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
49 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
50 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
51 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
54 *************************************************************************
57 * Description: INI-9100U/UW LINUX device driver header
59 * 06/18/96 Harry Chen, Initial Version 1.00A (Beta)
60 * 06/23/98 hc - v1.01k
61 * - Get it work for kernel version >= 2.1.75
62 * 12/09/98 bv - v1.03a
63 * - Removed unused code
64 * 12/13/98 bv - v1.03b
65 * - Add spinlocks to HCS structure.
66 * 21/01/99 bv - v1.03e
67 * - Added PCI_ID structure
68 **************************************************************************/
70 #ifndef CVT_LINUX_VERSION
71 #define CVT_LINUX_VERSION(V,P,S) (((V) * 65536) + ((P) * 256) + (S))
74 #ifndef LINUX_VERSION_CODE
75 #include <linux/version.h>
77 #include <linux/types.h>
81 extern int i91u_detect(Scsi_Host_Template *);
82 extern int i91u_release(struct Scsi_Host *);
83 extern int i91u_command(Scsi_Cmnd *);
84 extern int i91u_queue(Scsi_Cmnd *, void (*done) (Scsi_Cmnd *));
85 extern int i91u_abort(Scsi_Cmnd *);
86 extern int i91u_reset(Scsi_Cmnd *, unsigned int);
87 extern int i91u_biosparam(Scsi_Disk *, kdev_t, int *); /*for linux v2.0 */
89 #define i91u_REVID "Initio INI-9X00U/UW SCSI device driver; Revision: 1.03g"
94 proc_name: "INI9100U", \
97 detect: i91u_detect, \
98 release: i91u_release, \
100 command: i91u_command, \
101 queuecommand: i91u_queue, \
102 eh_strategy_handler: NULL, \
103 eh_abort_handler: NULL, \
104 eh_device_reset_handler: NULL, \
105 eh_bus_reset_handler: NULL, \
106 eh_host_reset_handler: NULL, \
109 slave_attach: NULL, \
110 bios_param: i91u_biosparam, \
113 sg_tablesize: SG_ALL, \
116 unchecked_isa_dma: 0, \
117 use_clustering: ENABLE_CLUSTERING, \
121 #define VIRT_TO_BUS(i) (unsigned int) virt_to_bus((void *)(i))
122 #define ULONG unsigned long
123 #define USHORT unsigned short
124 #define UCHAR unsigned char
126 #define WORD unsigned short
127 #define DWORD unsigned long
129 #define UWORD unsigned short
130 #define UDWORD unsigned long
134 #define NULL 0 /* zero */
137 #define TRUE (1) /* boolean true */
140 #define FALSE (0) /* boolean false */
146 #define i91u_MAXQUEUE 2
147 #define TOTAL_SG_ENTRY 32
148 #define MAX_TARGETS 16
149 #define SENSE_SIZE 14
151 #define INI_VENDOR_ID 0x1101 /* Initio's PCI vendor ID */
152 #define DMX_VENDOR_ID 0x134a /* Domex's PCI vendor ID */
153 #define I950_DEVICE_ID 0x9500 /* Initio's inic-950 product ID */
154 #define I940_DEVICE_ID 0x9400 /* Initio's inic-940 product ID */
155 #define I935_DEVICE_ID 0x9401 /* Initio's inic-935 product ID */
156 #define I920_DEVICE_ID 0x0002 /* Initio's other product ID */
158 /************************************************************************/
159 /* Vendor ID/Device ID Pair Structure */
160 /************************************************************************/
161 typedef struct PCI_ID_Struc {
162 unsigned short vendor_id;
163 unsigned short device_id;
166 /************************************************************************/
167 /* Scatter-Gather Element Structure */
168 /************************************************************************/
169 typedef struct SG_Struc {
170 U32 SG_Ptr; /* Data Pointer */
171 U32 SG_Len; /* Data Length */
174 /***********************************************************************
176 ************************************************************************/
177 typedef struct Scsi_Ctrl_Blk {
178 U32 SCB_InitioReserved[9]; /* 0 */
180 UBYTE SCB_Opcode; /*24 SCB command code */
181 UBYTE SCB_Flags; /*25 SCB Flags */
182 UBYTE SCB_Target; /*26 Target Id */
183 UBYTE SCB_Lun; /*27 Lun */
184 U32 SCB_BufPtr; /*28 Data Buffer Pointer */
185 U32 SCB_BufLen; /*2C Data Allocation Length */
186 UBYTE SCB_SGLen; /*30 SG list # */
187 UBYTE SCB_SenseLen; /*31 Sense Allocation Length */
188 UBYTE SCB_HaStat; /*32 */
189 UBYTE SCB_TaStat; /*33 */
190 UBYTE SCB_CDBLen; /*34 CDB Length */
191 UBYTE SCB_Ident; /*35 Identify */
192 UBYTE SCB_TagMsg; /*36 Tag Message */
193 UBYTE SCB_TagId; /*37 Queue Tag */
194 UBYTE SCB_CDB[12]; /*38 */
195 U32 SCB_SGPAddr; /*44 SG List/Sense Buf phy. Addr. */
196 U32 SCB_SensePtr; /*48 Sense data pointer */
197 void (*SCB_Post) (BYTE *, BYTE *); /*4C POST routine */
198 Scsi_Cmnd *SCB_Srb; /*50 SRB Pointer */
199 SG SCB_SGList[TOTAL_SG_ENTRY]; /*54 Start of SG list */
202 /* Opcodes of SCB_Opcode */
204 #define BusDevRst 0x2
207 /* Bit Definition for SCB_Flags */
208 #define SCF_DONE 0x01
209 #define SCF_POST 0x02
210 #define SCF_SENSE 0x04
212 #define SCF_NO_DCHK 0x00
214 #define SCF_DOUT 0x10
215 #define SCF_NO_XF 0x18
216 #define SCF_POLL 0x40
219 /* Error Codes for SCB_HaStat */
220 #define HOST_SEL_TOUT 0x11
221 #define HOST_DO_DU 0x12
222 #define HOST_BUS_FREE 0x13
223 #define HOST_BAD_PHAS 0x14
224 #define HOST_INV_CMD 0x16
225 #define HOST_SCSI_RST 0x1B
226 #define HOST_DEV_RST 0x1C
228 /* Error Codes for SCB_TaStat */
229 #define TARGET_CHKCOND 0x02
230 #define TARGET_BUSY 0x08
232 /* Queue tag msg: Simple_quque_tag, Head_of_queue_tag, Ordered_queue_tag */
233 #define MSG_STAG 0x20
234 #define MSG_HTAG 0x21
235 #define MSG_OTAG 0x22
237 /***********************************************************************
238 Target Device Control Structure
239 **********************************************************************/
241 typedef struct Tar_Ctrl_Struc {
242 ULONG TCS_InitioReserved; /* 0 */
244 UWORD TCS_DrvFlags; /* 4 */
245 UBYTE TCS_DrvHead; /* 6 */
246 UBYTE TCS_DrvSector; /* 7 */
249 /***********************************************************************
250 Target Device Control Structure
251 **********************************************************************/
252 /* Bit Definition for TCF_DrvFlags */
253 #define TCF_DRV_255_63 0x0400
255 /***********************************************************************
256 Host Adapter Control Structure
257 ************************************************************************/
258 typedef struct Ha_Ctrl_Struc {
259 UWORD HCS_Base; /* 00 */
260 UWORD HCS_BIOS; /* 02 */
261 UBYTE HCS_Intr; /* 04 */
262 UBYTE HCS_SCSI_ID; /* 05 */
263 UBYTE HCS_MaxTar; /* 06 */
264 UBYTE HCS_NumScbs; /* 07 */
266 UBYTE HCS_Flags; /* 08 */
267 UBYTE HCS_Index; /* 09 */
268 UBYTE HCS_Reserved[2]; /* 0a */
269 ULONG HCS_InitioReserved[27]; /* 0C */
270 TCS HCS_Tcs[16]; /* 78 -> 16 Targets */
271 Scsi_Cmnd *pSRB_head; /* SRB save queue header */
272 Scsi_Cmnd *pSRB_tail; /* SRB save queue tail */
273 spinlock_t HCS_AvailLock;
274 spinlock_t HCS_SemaphLock;
275 spinlock_t pSRB_lock;
276 struct pci_dev *pci_dev;
279 /* Bit Definition for HCB_Flags */
280 #define HCF_EXPECT_RESET 0x10
282 /* SCSI related definition */
283 #define DISC_NOT_ALLOW 0x80 /* Disconnect is not allowed */
284 #define DISC_ALLOW 0xC0 /* Disconnect is allowed */