diff options
-rw-r--r-- | drivers/scsi/initio.c | 3823 | ||||
-rw-r--r-- | drivers/scsi/initio.h | 313 |
2 files changed, 1963 insertions, 2173 deletions
diff --git a/drivers/scsi/initio.c b/drivers/scsi/initio.c index 7e7635ca78f1..65ca1424954e 100644 --- a/drivers/scsi/initio.c +++ b/drivers/scsi/initio.c | |||
@@ -3,7 +3,8 @@ | |||
3 | * | 3 | * |
4 | * Copyright (c) 1994-1998 Initio Corporation | 4 | * Copyright (c) 1994-1998 Initio Corporation |
5 | * Copyright (c) 1998 Bas Vermeulen <bvermeul@blackstar.xs4all.nl> | 5 | * Copyright (c) 1998 Bas Vermeulen <bvermeul@blackstar.xs4all.nl> |
6 | * All rights reserved. | 6 | * Copyright (c) 2004 Christoph Hellwig <hch@lst.de> |
7 | * Copyright (c) 2007 Red Hat <alan@redhat.com> | ||
7 | * | 8 | * |
8 | * This program is free software; you can redistribute it and/or modify | 9 | * This program is free software; you can redistribute it and/or modify |
9 | * it under the terms of the GNU General Public License as published by | 10 | * it under the terms of the GNU General Public License as published by |
@@ -19,38 +20,6 @@ | |||
19 | * along with this program; see the file COPYING. If not, write to | 20 | * along with this program; see the file COPYING. If not, write to |
20 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | 21 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
21 | * | 22 | * |
22 | * -------------------------------------------------------------------------- | ||
23 | * | ||
24 | * Redistribution and use in source and binary forms, with or without | ||
25 | * modification, are permitted provided that the following conditions | ||
26 | * are met: | ||
27 | * 1. Redistributions of source code must retain the above copyright | ||
28 | * notice, this list of conditions, and the following disclaimer, | ||
29 | * without modification, immediately at the beginning of the file. | ||
30 | * 2. Redistributions in binary form must reproduce the above copyright | ||
31 | * notice, this list of conditions and the following disclaimer in the | ||
32 | * documentation and/or other materials provided with the distribution. | ||
33 | * 3. The name of the author may not be used to endorse or promote products | ||
34 | * derived from this software without specific prior written permission. | ||
35 | * | ||
36 | * Where this Software is combined with software released under the terms of | ||
37 | * the GNU General Public License ("GPL") and the terms of the GPL would require the | ||
38 | * combined work to also be released under the terms of the GPL, the terms | ||
39 | * and conditions of this License will apply in addition to those of the | ||
40 | * GPL with the exception of any terms or conditions of this License that | ||
41 | * conflict with, or are expressly prohibited by, the GPL. | ||
42 | * | ||
43 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | ||
44 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
45 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
46 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR | ||
47 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
48 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
49 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
50 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
51 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
52 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
53 | * SUCH DAMAGE. | ||
54 | * | 23 | * |
55 | ************************************************************************* | 24 | ************************************************************************* |
56 | * | 25 | * |
@@ -70,14 +39,14 @@ | |||
70 | * - Fix memory allocation problem | 39 | * - Fix memory allocation problem |
71 | * 03/04/98 hc - v1.01l | 40 | * 03/04/98 hc - v1.01l |
72 | * - Fix tape rewind which will hang the system problem | 41 | * - Fix tape rewind which will hang the system problem |
73 | * - Set can_queue to tul_num_scb | 42 | * - Set can_queue to initio_num_scb |
74 | * 06/25/98 hc - v1.01m | 43 | * 06/25/98 hc - v1.01m |
75 | * - Get it work for kernel version >= 2.1.75 | 44 | * - Get it work for kernel version >= 2.1.75 |
76 | * - Dynamic assign SCSI bus reset holding time in init_tulip() | 45 | * - Dynamic assign SCSI bus reset holding time in initio_init() |
77 | * 07/02/98 hc - v1.01n | 46 | * 07/02/98 hc - v1.01n |
78 | * - Support 0002134A | 47 | * - Support 0002134A |
79 | * 08/07/98 hc - v1.01o | 48 | * 08/07/98 hc - v1.01o |
80 | * - Change the tul_abort_srb routine to use scsi_done. <01> | 49 | * - Change the initio_abort_srb routine to use scsi_done. <01> |
81 | * 09/07/98 hl - v1.02 | 50 | * 09/07/98 hl - v1.02 |
82 | * - Change the INI9100U define and proc_dir_entry to | 51 | * - Change the INI9100U define and proc_dir_entry to |
83 | * reflect the newer Kernel 2.1.118, but the v1.o1o | 52 | * reflect the newer Kernel 2.1.118, but the v1.o1o |
@@ -150,23 +119,13 @@ | |||
150 | static unsigned int i91u_debug = DEBUG_DEFAULT; | 119 | static unsigned int i91u_debug = DEBUG_DEFAULT; |
151 | #endif | 120 | #endif |
152 | 121 | ||
153 | #define TUL_RDWORD(x,y) (short)(inl((int)((ULONG)((ULONG)x+(UCHAR)y)) )) | 122 | static int initio_tag_enable = 1; |
154 | |||
155 | typedef struct PCI_ID_Struc { | ||
156 | unsigned short vendor_id; | ||
157 | unsigned short device_id; | ||
158 | } PCI_ID; | ||
159 | |||
160 | static int tul_num_ch = 4; /* Maximum 4 adapters */ | ||
161 | static int tul_num_scb; | ||
162 | static int tul_tag_enable = 1; | ||
163 | static SCB *tul_scb; | ||
164 | 123 | ||
165 | #ifdef DEBUG_i91u | 124 | #ifdef DEBUG_i91u |
166 | static int setup_debug = 0; | 125 | static int setup_debug = 0; |
167 | #endif | 126 | #endif |
168 | 127 | ||
169 | static void i91uSCBPost(BYTE * pHcb, BYTE * pScb); | 128 | static void i91uSCBPost(u8 * pHcb, u8 * pScb); |
170 | 129 | ||
171 | /* PCI Devices supported by this driver */ | 130 | /* PCI Devices supported by this driver */ |
172 | static struct pci_device_id i91u_pci_devices[] = { | 131 | static struct pci_device_id i91u_pci_devices[] = { |
@@ -184,74 +143,66 @@ MODULE_DEVICE_TABLE(pci, i91u_pci_devices); | |||
184 | #define DEBUG_STATE 0 | 143 | #define DEBUG_STATE 0 |
185 | #define INT_DISC 0 | 144 | #define INT_DISC 0 |
186 | 145 | ||
187 | /*--- external functions --*/ | 146 | /*--- forward references ---*/ |
188 | static void tul_se2_wait(void); | 147 | static struct scsi_ctrl_blk *initio_find_busy_scb(struct initio_host * host, u16 tarlun); |
189 | 148 | static struct scsi_ctrl_blk *initio_find_done_scb(struct initio_host * host); | |
190 | /*--- forward refrence ---*/ | 149 | |
191 | static SCB *tul_find_busy_scb(HCS * pCurHcb, WORD tarlun); | 150 | static int tulip_main(struct initio_host * host); |
192 | static SCB *tul_find_done_scb(HCS * pCurHcb); | 151 | |
193 | 152 | static int initio_next_state(struct initio_host * host); | |
194 | static int tulip_main(HCS * pCurHcb); | 153 | static int initio_state_1(struct initio_host * host); |
195 | 154 | static int initio_state_2(struct initio_host * host); | |
196 | static int tul_next_state(HCS * pCurHcb); | 155 | static int initio_state_3(struct initio_host * host); |
197 | static int tul_state_1(HCS * pCurHcb); | 156 | static int initio_state_4(struct initio_host * host); |
198 | static int tul_state_2(HCS * pCurHcb); | 157 | static int initio_state_5(struct initio_host * host); |
199 | static int tul_state_3(HCS * pCurHcb); | 158 | static int initio_state_6(struct initio_host * host); |
200 | static int tul_state_4(HCS * pCurHcb); | 159 | static int initio_state_7(struct initio_host * host); |
201 | static int tul_state_5(HCS * pCurHcb); | 160 | static int initio_xfer_data_in(struct initio_host * host); |
202 | static int tul_state_6(HCS * pCurHcb); | 161 | static int initio_xfer_data_out(struct initio_host * host); |
203 | static int tul_state_7(HCS * pCurHcb); | 162 | static int initio_xpad_in(struct initio_host * host); |
204 | static int tul_xfer_data_in(HCS * pCurHcb); | 163 | static int initio_xpad_out(struct initio_host * host); |
205 | static int tul_xfer_data_out(HCS * pCurHcb); | 164 | static int initio_status_msg(struct initio_host * host); |
206 | static int tul_xpad_in(HCS * pCurHcb); | 165 | |
207 | static int tul_xpad_out(HCS * pCurHcb); | 166 | static int initio_msgin(struct initio_host * host); |
208 | static int tul_status_msg(HCS * pCurHcb); | 167 | static int initio_msgin_sync(struct initio_host * host); |
209 | 168 | static int initio_msgin_accept(struct initio_host * host); | |
210 | static int tul_msgin(HCS * pCurHcb); | 169 | static int initio_msgout_reject(struct initio_host * host); |
211 | static int tul_msgin_sync(HCS * pCurHcb); | 170 | static int initio_msgin_extend(struct initio_host * host); |
212 | static int tul_msgin_accept(HCS * pCurHcb); | 171 | |
213 | static int tul_msgout_reject(HCS * pCurHcb); | 172 | static int initio_msgout_ide(struct initio_host * host); |
214 | static int tul_msgin_extend(HCS * pCurHcb); | 173 | static int initio_msgout_abort_targ(struct initio_host * host); |
215 | 174 | static int initio_msgout_abort_tag(struct initio_host * host); | |
216 | static int tul_msgout_ide(HCS * pCurHcb); | 175 | |
217 | static int tul_msgout_abort_targ(HCS * pCurHcb); | 176 | static int initio_bus_device_reset(struct initio_host * host); |
218 | static int tul_msgout_abort_tag(HCS * pCurHcb); | 177 | static void initio_select_atn(struct initio_host * host, struct scsi_ctrl_blk * scb); |
219 | 178 | static void initio_select_atn3(struct initio_host * host, struct scsi_ctrl_blk * scb); | |
220 | static int tul_bus_device_reset(HCS * pCurHcb); | 179 | static void initio_select_atn_stop(struct initio_host * host, struct scsi_ctrl_blk * scb); |
221 | static void tul_select_atn(HCS * pCurHcb, SCB * pCurScb); | 180 | static int int_initio_busfree(struct initio_host * host); |
222 | static void tul_select_atn3(HCS * pCurHcb, SCB * pCurScb); | 181 | static int int_initio_scsi_rst(struct initio_host * host); |
223 | static void tul_select_atn_stop(HCS * pCurHcb, SCB * pCurScb); | 182 | static int int_initio_bad_seq(struct initio_host * host); |
224 | static int int_tul_busfree(HCS * pCurHcb); | 183 | static int int_initio_resel(struct initio_host * host); |
225 | static int int_tul_scsi_rst(HCS * pCurHcb); | 184 | static int initio_sync_done(struct initio_host * host); |
226 | static int int_tul_bad_seq(HCS * pCurHcb); | 185 | static int wdtr_done(struct initio_host * host); |
227 | static int int_tul_resel(HCS * pCurHcb); | 186 | static int wait_tulip(struct initio_host * host); |
228 | static int tul_sync_done(HCS * pCurHcb); | 187 | static int initio_wait_done_disc(struct initio_host * host); |
229 | static int wdtr_done(HCS * pCurHcb); | 188 | static int initio_wait_disc(struct initio_host * host); |
230 | static int wait_tulip(HCS * pCurHcb); | 189 | static void tulip_scsi(struct initio_host * host); |
231 | static int tul_wait_done_disc(HCS * pCurHcb); | 190 | static int initio_post_scsi_rst(struct initio_host * host); |
232 | static int tul_wait_disc(HCS * pCurHcb); | 191 | |
233 | static void tulip_scsi(HCS * pCurHcb); | 192 | static void initio_se2_ew_en(unsigned long base); |
234 | static int tul_post_scsi_rst(HCS * pCurHcb); | 193 | static void initio_se2_ew_ds(unsigned long base); |
235 | 194 | static int initio_se2_rd_all(unsigned long base); | |
236 | static void tul_se2_ew_en(WORD CurBase); | 195 | static void initio_se2_update_all(unsigned long base); /* setup default pattern */ |
237 | static void tul_se2_ew_ds(WORD CurBase); | 196 | static void initio_read_eeprom(unsigned long base); |
238 | static int tul_se2_rd_all(WORD CurBase); | 197 | |
239 | static void tul_se2_update_all(WORD CurBase); /* setup default pattern */ | 198 | /* ---- INTERNAL VARIABLES ---- */ |
240 | static void tul_read_eeprom(WORD CurBase); | 199 | |
241 | |||
242 | /* ---- INTERNAL VARIABLES ---- */ | ||
243 | static HCS tul_hcs[MAX_SUPPORTED_ADAPTERS]; | ||
244 | static INI_ADPT_STRUCT i91u_adpt[MAX_SUPPORTED_ADAPTERS]; | ||
245 | |||
246 | /*NVRAM nvram, *nvramp = &nvram; */ | ||
247 | static NVRAM i91unvram; | 200 | static NVRAM i91unvram; |
248 | static NVRAM *i91unvramp; | 201 | static NVRAM *i91unvramp; |
249 | 202 | ||
250 | 203 | static u8 i91udftNvRam[64] = | |
251 | |||
252 | static UCHAR i91udftNvRam[64] = | ||
253 | { | 204 | { |
254 | /*----------- header -----------*/ | 205 | /*----------- header -----------*/ |
255 | 0x25, 0xc9, /* Signature */ | 206 | 0x25, 0xc9, /* Signature */ |
256 | 0x40, /* Size */ | 207 | 0x40, /* Size */ |
257 | 0x01, /* Revision */ | 208 | 0x01, /* Revision */ |
@@ -289,7 +240,7 @@ static UCHAR i91udftNvRam[64] = | |||
289 | 0, 0}; /* - CheckSum - */ | 240 | 0, 0}; /* - CheckSum - */ |
290 | 241 | ||
291 | 242 | ||
292 | static UCHAR tul_rate_tbl[8] = /* fast 20 */ | 243 | static u8 initio_rate_tbl[8] = /* fast 20 */ |
293 | { | 244 | { |
294 | /* nanosecond devide by 4 */ | 245 | /* nanosecond devide by 4 */ |
295 | 12, /* 50ns, 20M */ | 246 | 12, /* 50ns, 20M */ |
@@ -302,53 +253,17 @@ static UCHAR tul_rate_tbl[8] = /* fast 20 */ | |||
302 | 62 /* 250ns, 4M */ | 253 | 62 /* 250ns, 4M */ |
303 | }; | 254 | }; |
304 | 255 | ||
305 | static void tul_do_pause(unsigned amount) | 256 | static void initio_do_pause(unsigned amount) |
306 | { /* Pause for amount jiffies */ | 257 | { |
258 | /* Pause for amount jiffies */ | ||
307 | unsigned long the_time = jiffies + amount; | 259 | unsigned long the_time = jiffies + amount; |
308 | 260 | ||
309 | while (time_before_eq(jiffies, the_time)); | 261 | while (time_before_eq(jiffies, the_time)) |
262 | cpu_relax(); | ||
310 | } | 263 | } |
311 | 264 | ||
312 | /*-- forward reference --*/ | 265 | /*-- forward reference --*/ |
313 | 266 | ||
314 | /******************************************************************* | ||
315 | Use memeory refresh time ~ 15us * 2 | ||
316 | ********************************************************************/ | ||
317 | void tul_se2_wait(void) | ||
318 | { | ||
319 | #if 1 | ||
320 | udelay(30); | ||
321 | #else | ||
322 | UCHAR readByte; | ||
323 | |||
324 | readByte = TUL_RD(0, 0x61); | ||
325 | if ((readByte & 0x10) == 0x10) { | ||
326 | for (;;) { | ||
327 | readByte = TUL_RD(0, 0x61); | ||
328 | if ((readByte & 0x10) == 0x10) | ||
329 | break; | ||
330 | } | ||
331 | for (;;) { | ||
332 | readByte = TUL_RD(0, 0x61); | ||
333 | if ((readByte & 0x10) != 0x10) | ||
334 | break; | ||
335 | } | ||
336 | } else { | ||
337 | for (;;) { | ||
338 | readByte = TUL_RD(0, 0x61); | ||
339 | if ((readByte & 0x10) == 0x10) | ||
340 | break; | ||
341 | } | ||
342 | for (;;) { | ||
343 | readByte = TUL_RD(0, 0x61); | ||
344 | if ((readByte & 0x10) != 0x10) | ||
345 | break; | ||
346 | } | ||
347 | } | ||
348 | #endif | ||
349 | } | ||
350 | |||
351 | |||
352 | /****************************************************************** | 267 | /****************************************************************** |
353 | Input: instruction for Serial E2PROM | 268 | Input: instruction for Serial E2PROM |
354 | 269 | ||
@@ -379,1174 +294,1019 @@ void tul_se2_wait(void) | |||
379 | 294 | ||
380 | 295 | ||
381 | ******************************************************************/ | 296 | ******************************************************************/ |
382 | static void tul_se2_instr(WORD CurBase, UCHAR instr) | 297 | |
298 | /** | ||
299 | * initio_se2_instr - bitbang an instruction | ||
300 | * @base: Base of InitIO controller | ||
301 | * @instr: Instruction for serial E2PROM | ||
302 | * | ||
303 | * Bitbang an instruction out to the serial E2Prom | ||
304 | */ | ||
305 | |||
306 | static void initio_se2_instr(unsigned long base, u8 instr) | ||
383 | { | 307 | { |
384 | int i; | 308 | int i; |
385 | UCHAR b; | 309 | u8 b; |
386 | 310 | ||
387 | TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2DO); /* cs+start bit */ | 311 | outb(SE2CS | SE2DO, base + TUL_NVRAM); /* cs+start bit */ |
388 | tul_se2_wait(); | 312 | udelay(30); |
389 | TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2CLK | SE2DO); /* +CLK */ | 313 | outb(SE2CS | SE2CLK | SE2DO, base + TUL_NVRAM); /* +CLK */ |
390 | tul_se2_wait(); | 314 | udelay(30); |
391 | 315 | ||
392 | for (i = 0; i < 8; i++) { | 316 | for (i = 0; i < 8; i++) { |
393 | if (instr & 0x80) | 317 | if (instr & 0x80) |
394 | b = SE2CS | SE2DO; /* -CLK+dataBit */ | 318 | b = SE2CS | SE2DO; /* -CLK+dataBit */ |
395 | else | 319 | else |
396 | b = SE2CS; /* -CLK */ | 320 | b = SE2CS; /* -CLK */ |
397 | TUL_WR(CurBase + TUL_NVRAM, b); | 321 | outb(b, base + TUL_NVRAM); |
398 | tul_se2_wait(); | 322 | udelay(30); |
399 | TUL_WR(CurBase + TUL_NVRAM, b | SE2CLK); /* +CLK */ | 323 | outb(b | SE2CLK, base + TUL_NVRAM); /* +CLK */ |
400 | tul_se2_wait(); | 324 | udelay(30); |
401 | instr <<= 1; | 325 | instr <<= 1; |
402 | } | 326 | } |
403 | TUL_WR(CurBase + TUL_NVRAM, SE2CS); /* -CLK */ | 327 | outb(SE2CS, base + TUL_NVRAM); /* -CLK */ |
404 | tul_se2_wait(); | 328 | udelay(30); |
405 | return; | ||
406 | } | 329 | } |
407 | 330 | ||
408 | 331 | ||
409 | /****************************************************************** | 332 | /** |
410 | Function name : tul_se2_ew_en | 333 | * initio_se2_ew_en - Enable erase/write |
411 | Description : Enable erase/write state of serial EEPROM | 334 | * @base: Base address of InitIO controller |
412 | ******************************************************************/ | 335 | * |
413 | void tul_se2_ew_en(WORD CurBase) | 336 | * Enable erase/write state of serial EEPROM |
337 | */ | ||
338 | void initio_se2_ew_en(unsigned long base) | ||
414 | { | 339 | { |
415 | tul_se2_instr(CurBase, 0x30); /* EWEN */ | 340 | initio_se2_instr(base, 0x30); /* EWEN */ |
416 | TUL_WR(CurBase + TUL_NVRAM, 0); /* -CS */ | 341 | outb(0, base + TUL_NVRAM); /* -CS */ |
417 | tul_se2_wait(); | 342 | udelay(30); |
418 | return; | ||
419 | } | 343 | } |
420 | 344 | ||
421 | 345 | ||
422 | /************************************************************************ | 346 | /** |
423 | Disable erase/write state of serial EEPROM | 347 | * initio_se2_ew_ds - Disable erase/write |
424 | *************************************************************************/ | 348 | * @base: Base address of InitIO controller |
425 | void tul_se2_ew_ds(WORD CurBase) | 349 | * |
350 | * Disable erase/write state of serial EEPROM | ||
351 | */ | ||
352 | void initio_se2_ew_ds(unsigned long base) | ||
426 | { | 353 | { |
427 | tul_se2_instr(CurBase, 0); /* EWDS */ | 354 | initio_se2_instr(base, 0); /* EWDS */ |
428 | TUL_WR(CurBase + TUL_NVRAM, 0); /* -CS */ | 355 | outb(0, base + TUL_NVRAM); /* -CS */ |
429 | tul_se2_wait(); | 356 | udelay(30); |
430 | return; | ||
431 | } | 357 | } |
432 | 358 | ||
433 | 359 | ||
434 | /****************************************************************** | 360 | /** |
435 | Input :address of Serial E2PROM | 361 | * initio_se2_rd - read E2PROM word |
436 | Output :value stored in Serial E2PROM | 362 | * @base: Base of InitIO controller |
437 | *******************************************************************/ | 363 | * @addr: Address of word in E2PROM |
438 | static USHORT tul_se2_rd(WORD CurBase, ULONG adr) | 364 | * |
365 | * Read a word from the NV E2PROM device | ||
366 | */ | ||
367 | static u16 initio_se2_rd(unsigned long base, u8 addr) | ||
439 | { | 368 | { |
440 | UCHAR instr, readByte; | 369 | u8 instr, rb; |
441 | USHORT readWord; | 370 | u16 val = 0; |
442 | int i; | 371 | int i; |
443 | 372 | ||
444 | instr = (UCHAR) (adr | 0x80); | 373 | instr = (u8) (addr | 0x80); |
445 | tul_se2_instr(CurBase, instr); /* READ INSTR */ | 374 | initio_se2_instr(base, instr); /* READ INSTR */ |
446 | readWord = 0; | ||
447 | 375 | ||
448 | for (i = 15; i >= 0; i--) { | 376 | for (i = 15; i >= 0; i--) { |
449 | TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2CLK); /* +CLK */ | 377 | outb(SE2CS | SE2CLK, base + TUL_NVRAM); /* +CLK */ |
450 | tul_se2_wait(); | 378 | udelay(30); |
451 | TUL_WR(CurBase + TUL_NVRAM, SE2CS); /* -CLK */ | 379 | outb(SE2CS, base + TUL_NVRAM); /* -CLK */ |
452 | 380 | ||
453 | /* sample data after the following edge of clock */ | 381 | /* sample data after the following edge of clock */ |
454 | readByte = TUL_RD(CurBase, TUL_NVRAM); | 382 | rb = inb(base + TUL_NVRAM); |
455 | readByte &= SE2DI; | 383 | rb &= SE2DI; |
456 | readWord += (readByte << i); | 384 | val += (rb << i); |
457 | tul_se2_wait(); /* 6/20/95 */ | 385 | udelay(30); /* 6/20/95 */ |
458 | } | 386 | } |
459 | 387 | ||
460 | TUL_WR(CurBase + TUL_NVRAM, 0); /* no chip select */ | 388 | outb(0, base + TUL_NVRAM); /* no chip select */ |
461 | tul_se2_wait(); | 389 | udelay(30); |
462 | return readWord; | 390 | return val; |
463 | } | 391 | } |
464 | 392 | ||
465 | 393 | /** | |
466 | /****************************************************************** | 394 | * initio_se2_wr - read E2PROM word |
467 | Input: new value in Serial E2PROM, address of Serial E2PROM | 395 | * @base: Base of InitIO controller |
468 | *******************************************************************/ | 396 | * @addr: Address of word in E2PROM |
469 | static void tul_se2_wr(WORD CurBase, UCHAR adr, USHORT writeWord) | 397 | * @val: Value to write |
398 | * | ||
399 | * Write a word to the NV E2PROM device. Used when recovering from | ||
400 | * a problem with the NV. | ||
401 | */ | ||
402 | static void initio_se2_wr(unsigned long base, u8 addr, u16 val) | ||
470 | { | 403 | { |
471 | UCHAR readByte; | 404 | u8 rb; |
472 | UCHAR instr; | 405 | u8 instr; |
473 | int i; | 406 | int i; |
474 | 407 | ||
475 | instr = (UCHAR) (adr | 0x40); | 408 | instr = (u8) (addr | 0x40); |
476 | tul_se2_instr(CurBase, instr); /* WRITE INSTR */ | 409 | initio_se2_instr(base, instr); /* WRITE INSTR */ |
477 | for (i = 15; i >= 0; i--) { | 410 | for (i = 15; i >= 0; i--) { |
478 | if (writeWord & 0x8000) | 411 | if (val & 0x8000) |
479 | TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2DO); /* -CLK+dataBit 1 */ | 412 | outb(SE2CS | SE2DO, base + TUL_NVRAM); /* -CLK+dataBit 1 */ |
480 | else | 413 | else |
481 | TUL_WR(CurBase + TUL_NVRAM, SE2CS); /* -CLK+dataBit 0 */ | 414 | outb(SE2CS, base + TUL_NVRAM); /* -CLK+dataBit 0 */ |
482 | tul_se2_wait(); | 415 | udelay(30); |
483 | TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2CLK); /* +CLK */ | 416 | outb(SE2CS | SE2CLK, base + TUL_NVRAM); /* +CLK */ |
484 | tul_se2_wait(); | 417 | udelay(30); |
485 | writeWord <<= 1; | 418 | val <<= 1; |
486 | } | 419 | } |
487 | TUL_WR(CurBase + TUL_NVRAM, SE2CS); /* -CLK */ | 420 | outb(SE2CS, base + TUL_NVRAM); /* -CLK */ |
488 | tul_se2_wait(); | 421 | udelay(30); |
489 | TUL_WR(CurBase + TUL_NVRAM, 0); /* -CS */ | 422 | outb(0, base + TUL_NVRAM); /* -CS */ |
490 | tul_se2_wait(); | 423 | udelay(30); |
491 | 424 | ||
492 | TUL_WR(CurBase + TUL_NVRAM, SE2CS); /* +CS */ | 425 | outb(SE2CS, base + TUL_NVRAM); /* +CS */ |
493 | tul_se2_wait(); | 426 | udelay(30); |
494 | 427 | ||
495 | for (;;) { | 428 | for (;;) { |
496 | TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2CLK); /* +CLK */ | 429 | outb(SE2CS | SE2CLK, base + TUL_NVRAM); /* +CLK */ |
497 | tul_se2_wait(); | 430 | udelay(30); |
498 | TUL_WR(CurBase + TUL_NVRAM, SE2CS); /* -CLK */ | 431 | outb(SE2CS, base + TUL_NVRAM); /* -CLK */ |
499 | tul_se2_wait(); | 432 | udelay(30); |
500 | if ((readByte = TUL_RD(CurBase, TUL_NVRAM)) & SE2DI) | 433 | if ((rb = inb(base + TUL_NVRAM)) & SE2DI) |
501 | break; /* write complete */ | 434 | break; /* write complete */ |
502 | } | 435 | } |
503 | TUL_WR(CurBase + TUL_NVRAM, 0); /* -CS */ | 436 | outb(0, base + TUL_NVRAM); /* -CS */ |
504 | return; | ||
505 | } | 437 | } |
506 | 438 | ||
439 | /** | ||
440 | * initio_se2_rd_all - read hostadapter NV configuration | ||
441 | * @base: Base address of InitIO controller | ||
442 | * | ||
443 | * Reads the E2PROM data into main memory. Ensures that the checksum | ||
444 | * and header marker are valid. Returns 1 on success -1 on error. | ||
445 | */ | ||
507 | 446 | ||
508 | /*********************************************************************** | 447 | static int initio_se2_rd_all(unsigned long base) |
509 | Read SCSI H/A configuration parameters from serial EEPROM | ||
510 | ************************************************************************/ | ||
511 | int tul_se2_rd_all(WORD CurBase) | ||
512 | { | 448 | { |
513 | int i; | 449 | int i; |
514 | ULONG chksum = 0; | 450 | u16 chksum = 0; |
515 | USHORT *np; | 451 | u16 *np; |
516 | 452 | ||
517 | i91unvramp = &i91unvram; | 453 | i91unvramp = &i91unvram; |
518 | np = (USHORT *) i91unvramp; | 454 | np = (u16 *) i91unvramp; |
519 | for (i = 0; i < 32; i++) { | 455 | for (i = 0; i < 32; i++) |
520 | *np++ = tul_se2_rd(CurBase, i); | 456 | *np++ = initio_se2_rd(base, i); |
521 | } | ||
522 | 457 | ||
523 | /*--------------------Is signature "ini" ok ? ----------------*/ | 458 | /* Is signature "ini" ok ? */ |
524 | if (i91unvramp->NVM_Signature != INI_SIGNATURE) | 459 | if (i91unvramp->NVM_Signature != INI_SIGNATURE) |
525 | return -1; | 460 | return -1; |
526 | /*---------------------- Is ckecksum ok ? ----------------------*/ | 461 | /* Is ckecksum ok ? */ |
527 | np = (USHORT *) i91unvramp; | 462 | np = (u16 *) i91unvramp; |
528 | for (i = 0; i < 31; i++) | 463 | for (i = 0; i < 31; i++) |
529 | chksum += *np++; | 464 | chksum += *np++; |
530 | if (i91unvramp->NVM_CheckSum != (USHORT) chksum) | 465 | if (i91unvramp->NVM_CheckSum != chksum) |
531 | return -1; | 466 | return -1; |
532 | return 1; | 467 | return 1; |
533 | } | 468 | } |
534 | 469 | ||
535 | 470 | /** | |
536 | /*********************************************************************** | 471 | * initio_se2_update_all - Update E2PROM |
537 | Update SCSI H/A configuration parameters from serial EEPROM | 472 | * @base: Base of InitIO controller |
538 | ************************************************************************/ | 473 | * |
539 | void tul_se2_update_all(WORD CurBase) | 474 | * Update the E2PROM by wrting any changes into the E2PROM |
475 | * chip, rewriting the checksum. | ||
476 | */ | ||
477 | static void initio_se2_update_all(unsigned long base) | ||
540 | { /* setup default pattern */ | 478 | { /* setup default pattern */ |
541 | int i; | 479 | int i; |
542 | ULONG chksum = 0; | 480 | u16 chksum = 0; |
543 | USHORT *np, *np1; | 481 | u16 *np, *np1; |
544 | 482 | ||
545 | i91unvramp = &i91unvram; | 483 | i91unvramp = &i91unvram; |
546 | /* Calculate checksum first */ | 484 | /* Calculate checksum first */ |
547 | np = (USHORT *) i91udftNvRam; | 485 | np = (u16 *) i91udftNvRam; |
548 | for (i = 0; i < 31; i++) | 486 | for (i = 0; i < 31; i++) |
549 | chksum += *np++; | 487 | chksum += *np++; |
550 | *np = (USHORT) chksum; | 488 | *np = chksum; |
551 | tul_se2_ew_en(CurBase); /* Enable write */ | 489 | initio_se2_ew_en(base); /* Enable write */ |
552 | 490 | ||
553 | np = (USHORT *) i91udftNvRam; | 491 | np = (u16 *) i91udftNvRam; |
554 | np1 = (USHORT *) i91unvramp; | 492 | np1 = (u16 *) i91unvramp; |
555 | for (i = 0; i < 32; i++, np++, np1++) { | 493 | for (i = 0; i < 32; i++, np++, np1++) { |
556 | if (*np != *np1) { | 494 | if (*np != *np1) |
557 | tul_se2_wr(CurBase, i, *np); | 495 | initio_se2_wr(base, i, *np); |
558 | } | ||
559 | } | 496 | } |
560 | 497 | initio_se2_ew_ds(base); /* Disable write */ | |
561 | tul_se2_ew_ds(CurBase); /* Disable write */ | ||
562 | return; | ||
563 | } | 498 | } |
564 | 499 | ||
565 | /************************************************************************* | 500 | /** |
566 | Function name : read_eeprom | 501 | * initio_read_eeprom - Retrieve configuration |
567 | **************************************************************************/ | 502 | * @base: Base of InitIO Host Adapter |
568 | void tul_read_eeprom(WORD CurBase) | 503 | * |
569 | { | 504 | * Retrieve the host adapter configuration data from E2Prom. If the |
570 | UCHAR gctrl; | 505 | * data is invalid then the defaults are used and are also restored |
571 | 506 | * into the E2PROM. This forms the access point for the SCSI driver | |
572 | i91unvramp = &i91unvram; | 507 | * into the E2PROM layer, the other functions for the E2PROM are all |
573 | /*------Enable EEProm programming ---*/ | 508 | * internal use. |
574 | gctrl = TUL_RD(CurBase, TUL_GCTRL); | 509 | * |
575 | TUL_WR(CurBase + TUL_GCTRL, gctrl | TUL_GCTRL_EEPROM_BIT); | 510 | * Must be called single threaded, uses a shared global area. |
576 | if (tul_se2_rd_all(CurBase) != 1) { | 511 | */ |
577 | tul_se2_update_all(CurBase); /* setup default pattern */ | ||
578 | tul_se2_rd_all(CurBase); /* load again */ | ||
579 | } | ||
580 | /*------ Disable EEProm programming ---*/ | ||
581 | gctrl = TUL_RD(CurBase, TUL_GCTRL); | ||
582 | TUL_WR(CurBase + TUL_GCTRL, gctrl & ~TUL_GCTRL_EEPROM_BIT); | ||
583 | } /* read_eeprom */ | ||
584 | 512 | ||
585 | static int Addi91u_into_Adapter_table(WORD wBIOS, WORD wBASE, BYTE bInterrupt, | 513 | static void initio_read_eeprom(unsigned long base) |
586 | BYTE bBus, BYTE bDevice) | ||
587 | { | 514 | { |
588 | int i, j; | 515 | u8 gctrl; |
589 | 516 | ||
590 | for (i = 0; i < MAX_SUPPORTED_ADAPTERS; i++) { | 517 | i91unvramp = &i91unvram; |
591 | if (i91u_adpt[i].ADPT_BIOS < wBIOS) | 518 | /* Enable EEProm programming */ |
592 | continue; | 519 | gctrl = inb(base + TUL_GCTRL); |
593 | if (i91u_adpt[i].ADPT_BIOS == wBIOS) { | 520 | outb(gctrl | TUL_GCTRL_EEPROM_BIT, base + TUL_GCTRL); |
594 | if (i91u_adpt[i].ADPT_BASE == wBASE) { | 521 | if (initio_se2_rd_all(base) != 1) { |
595 | if (i91u_adpt[i].ADPT_Bus != 0xFF) | 522 | initio_se2_update_all(base); /* setup default pattern */ |
596 | return 1; | 523 | initio_se2_rd_all(base); /* load again */ |
597 | } else if (i91u_adpt[i].ADPT_BASE < wBASE) | ||
598 | continue; | ||
599 | } | ||
600 | for (j = MAX_SUPPORTED_ADAPTERS - 1; j > i; j--) { | ||
601 | i91u_adpt[j].ADPT_BASE = i91u_adpt[j - 1].ADPT_BASE; | ||
602 | i91u_adpt[j].ADPT_INTR = i91u_adpt[j - 1].ADPT_INTR; | ||
603 | i91u_adpt[j].ADPT_BIOS = i91u_adpt[j - 1].ADPT_BIOS; | ||
604 | i91u_adpt[j].ADPT_Bus = i91u_adpt[j - 1].ADPT_Bus; | ||
605 | i91u_adpt[j].ADPT_Device = i91u_adpt[j - 1].ADPT_Device; | ||
606 | } | ||
607 | i91u_adpt[i].ADPT_BASE = wBASE; | ||
608 | i91u_adpt[i].ADPT_INTR = bInterrupt; | ||
609 | i91u_adpt[i].ADPT_BIOS = wBIOS; | ||
610 | i91u_adpt[i].ADPT_Bus = bBus; | ||
611 | i91u_adpt[i].ADPT_Device = bDevice; | ||
612 | return 0; | ||
613 | } | 524 | } |
614 | return 1; | 525 | /* Disable EEProm programming */ |
526 | gctrl = inb(base + TUL_GCTRL); | ||
527 | outb(gctrl & ~TUL_GCTRL_EEPROM_BIT, base + TUL_GCTRL); | ||
615 | } | 528 | } |
616 | 529 | ||
617 | static void init_i91uAdapter_table(void) | 530 | /** |
618 | { | 531 | * initio_stop_bm - stop bus master |
619 | int i; | 532 | * @host: InitIO we are stopping |
620 | 533 | * | |
621 | for (i = 0; i < MAX_SUPPORTED_ADAPTERS; i++) { /* Initialize adapter structure */ | 534 | * Stop any pending DMA operation, aborting the DMA if neccessary |
622 | i91u_adpt[i].ADPT_BIOS = 0xffff; | 535 | */ |
623 | i91u_adpt[i].ADPT_BASE = 0xffff; | ||
624 | i91u_adpt[i].ADPT_INTR = 0xff; | ||
625 | i91u_adpt[i].ADPT_Bus = 0xff; | ||
626 | i91u_adpt[i].ADPT_Device = 0xff; | ||
627 | } | ||
628 | return; | ||
629 | } | ||
630 | 536 | ||
631 | static void tul_stop_bm(HCS * pCurHcb) | 537 | static void initio_stop_bm(struct initio_host * host) |
632 | { | 538 | { |
633 | 539 | ||
634 | if (TUL_RD(pCurHcb->HCS_Base, TUL_XStatus) & XPEND) { /* if DMA xfer is pending, abort DMA xfer */ | 540 | if (inb(host->addr + TUL_XStatus) & XPEND) { /* if DMA xfer is pending, abort DMA xfer */ |
635 | TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_X_ABT | TAX_X_CLR_FIFO); | 541 | outb(TAX_X_ABT | TAX_X_CLR_FIFO, host->addr + TUL_XCmd); |
636 | /* wait Abort DMA xfer done */ | 542 | /* wait Abort DMA xfer done */ |
637 | while ((TUL_RD(pCurHcb->HCS_Base, TUL_Int) & XABT) == 0); | 543 | while ((inb(host->addr + TUL_Int) & XABT) == 0) |
544 | cpu_relax(); | ||
638 | } | 545 | } |
639 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); | 546 | outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); |
640 | } | 547 | } |
641 | 548 | ||
642 | /***************************************************************************/ | 549 | /** |
643 | static void get_tulipPCIConfig(HCS * pCurHcb, int ch_idx) | 550 | * initio_reset_scsi - Reset SCSI host controller |
644 | { | 551 | * @host: InitIO host to reset |
645 | pCurHcb->HCS_Base = i91u_adpt[ch_idx].ADPT_BASE; /* Supply base address */ | 552 | * @seconds: Recovery time |
646 | pCurHcb->HCS_BIOS = i91u_adpt[ch_idx].ADPT_BIOS; /* Supply BIOS address */ | 553 | * |
647 | pCurHcb->HCS_Intr = i91u_adpt[ch_idx].ADPT_INTR; /* Supply interrupt line */ | 554 | * Perform a full reset of the SCSI subsystem. |
648 | return; | 555 | */ |
649 | } | ||
650 | 556 | ||
651 | /***************************************************************************/ | 557 | static int initio_reset_scsi(struct initio_host * host, int seconds) |
652 | static int tul_reset_scsi(HCS * pCurHcb, int seconds) | ||
653 | { | 558 | { |
654 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_RST_BUS); | 559 | outb(TSC_RST_BUS, host->addr + TUL_SCtrl0); |
655 | 560 | ||
656 | while (!((pCurHcb->HCS_JSInt = TUL_RD(pCurHcb->HCS_Base, TUL_SInt)) & TSS_SCSIRST_INT)); | 561 | while (!((host->jsint = inb(host->addr + TUL_SInt)) & TSS_SCSIRST_INT)) |
657 | /* reset tulip chip */ | 562 | cpu_relax(); |
658 | 563 | ||
659 | TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, 0); | 564 | /* reset tulip chip */ |
565 | outb(0, host->addr + TUL_SSignal); | ||
660 | 566 | ||
661 | /* Stall for a while, wait for target's firmware ready,make it 2 sec ! */ | 567 | /* Stall for a while, wait for target's firmware ready,make it 2 sec ! */ |
662 | /* SONY 5200 tape drive won't work if only stall for 1 sec */ | 568 | /* SONY 5200 tape drive won't work if only stall for 1 sec */ |
663 | tul_do_pause(seconds * HZ); | 569 | /* FIXME: this is a very long busy wait right now */ |
664 | 570 | initio_do_pause(seconds * HZ); | |
665 | TUL_RD(pCurHcb->HCS_Base, TUL_SInt); | ||
666 | 571 | ||
667 | return (SCSI_RESET_SUCCESS); | 572 | inb(host->addr + TUL_SInt); |
573 | return SCSI_RESET_SUCCESS; | ||
668 | } | 574 | } |
669 | 575 | ||
670 | /***************************************************************************/ | 576 | /** |
671 | static int init_tulip(HCS * pCurHcb, SCB * scbp, int tul_num_scb, | 577 | * initio_init - set up an InitIO host adapter |
672 | BYTE * pbBiosAdr, int seconds) | 578 | * @host: InitIO host adapter |
579 | * @num_scbs: Number of SCBS | ||
580 | * @bios_addr: BIOS address | ||
581 | * | ||
582 | * Set up the host adapter and devices according to the configuration | ||
583 | * retrieved from the E2PROM. | ||
584 | * | ||
585 | * Locking: Calls E2PROM layer code which is not re-enterable so must | ||
586 | * run single threaded for now. | ||
587 | */ | ||
588 | |||
589 | static void initio_init(struct initio_host * host, u8 *bios_addr) | ||
673 | { | 590 | { |
674 | int i; | 591 | int i; |
675 | BYTE *pwFlags; | 592 | u8 *flags; |
676 | BYTE *pbHeads; | 593 | u8 *heads; |
677 | SCB *pTmpScb, *pPrevScb = NULL; | 594 | |
678 | 595 | /* Get E2Prom configuration */ | |
679 | pCurHcb->HCS_NumScbs = tul_num_scb; | 596 | initio_read_eeprom(host->addr); |
680 | pCurHcb->HCS_Semaph = 1; | ||
681 | spin_lock_init(&pCurHcb->HCS_SemaphLock); | ||
682 | pCurHcb->HCS_JSStatus0 = 0; | ||
683 | pCurHcb->HCS_Scb = scbp; | ||
684 | pCurHcb->HCS_NxtPend = scbp; | ||
685 | pCurHcb->HCS_NxtAvail = scbp; | ||
686 | for (i = 0, pTmpScb = scbp; i < tul_num_scb; i++, pTmpScb++) { | ||
687 | pTmpScb->SCB_TagId = i; | ||
688 | if (i != 0) | ||
689 | pPrevScb->SCB_NxtScb = pTmpScb; | ||
690 | pPrevScb = pTmpScb; | ||
691 | } | ||
692 | pPrevScb->SCB_NxtScb = NULL; | ||
693 | pCurHcb->HCS_ScbEnd = pTmpScb; | ||
694 | pCurHcb->HCS_FirstAvail = scbp; | ||
695 | pCurHcb->HCS_LastAvail = pPrevScb; | ||
696 | spin_lock_init(&pCurHcb->HCS_AvailLock); | ||
697 | pCurHcb->HCS_FirstPend = NULL; | ||
698 | pCurHcb->HCS_LastPend = NULL; | ||
699 | pCurHcb->HCS_FirstBusy = NULL; | ||
700 | pCurHcb->HCS_LastBusy = NULL; | ||
701 | pCurHcb->HCS_FirstDone = NULL; | ||
702 | pCurHcb->HCS_LastDone = NULL; | ||
703 | pCurHcb->HCS_ActScb = NULL; | ||
704 | pCurHcb->HCS_ActTcs = NULL; | ||
705 | |||
706 | tul_read_eeprom(pCurHcb->HCS_Base); | ||
707 | /*---------- get H/A configuration -------------*/ | ||
708 | if (i91unvramp->NVM_SCSIInfo[0].NVM_NumOfTarg == 8) | 597 | if (i91unvramp->NVM_SCSIInfo[0].NVM_NumOfTarg == 8) |
709 | pCurHcb->HCS_MaxTar = 8; | 598 | host->max_tar = 8; |
710 | else | 599 | else |
711 | pCurHcb->HCS_MaxTar = 16; | 600 | host->max_tar = 16; |
712 | 601 | ||
713 | pCurHcb->HCS_Config = i91unvramp->NVM_SCSIInfo[0].NVM_ChConfig1; | 602 | host->config = i91unvramp->NVM_SCSIInfo[0].NVM_ChConfig1; |
714 | 603 | ||
715 | pCurHcb->HCS_SCSI_ID = i91unvramp->NVM_SCSIInfo[0].NVM_ChSCSIID; | 604 | host->scsi_id = i91unvramp->NVM_SCSIInfo[0].NVM_ChSCSIID; |
716 | pCurHcb->HCS_IdMask = ~(1 << pCurHcb->HCS_SCSI_ID); | 605 | host->idmask = ~(1 << host->scsi_id); |
717 | 606 | ||
718 | #ifdef CHK_PARITY | 607 | #ifdef CHK_PARITY |
719 | /* Enable parity error response */ | 608 | /* Enable parity error response */ |
720 | TUL_WR(pCurHcb->HCS_Base + TUL_PCMD, TUL_RD(pCurHcb->HCS_Base, TUL_PCMD) | 0x40); | 609 | outb(inb(host->addr + TUL_PCMD) | 0x40, host->addr + TUL_PCMD); |
721 | #endif | 610 | #endif |
722 | 611 | ||
723 | /* Mask all the interrupt */ | 612 | /* Mask all the interrupt */ |
724 | TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F); | 613 | outb(0x1F, host->addr + TUL_Mask); |
725 | 614 | ||
726 | tul_stop_bm(pCurHcb); | 615 | initio_stop_bm(host); |
727 | /* --- Initialize the tulip --- */ | 616 | /* --- Initialize the tulip --- */ |
728 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_RST_CHIP); | 617 | outb(TSC_RST_CHIP, host->addr + TUL_SCtrl0); |
729 | 618 | ||
730 | /* program HBA's SCSI ID */ | 619 | /* program HBA's SCSI ID */ |
731 | TUL_WR(pCurHcb->HCS_Base + TUL_SScsiId, pCurHcb->HCS_SCSI_ID << 4); | 620 | outb(host->scsi_id << 4, host->addr + TUL_SScsiId); |
732 | 621 | ||
733 | /* Enable Initiator Mode ,phase latch,alternate sync period mode, | 622 | /* Enable Initiator Mode ,phase latch,alternate sync period mode, |
734 | disable SCSI reset */ | 623 | disable SCSI reset */ |
735 | if (pCurHcb->HCS_Config & HCC_EN_PAR) | 624 | if (host->config & HCC_EN_PAR) |
736 | pCurHcb->HCS_SConf1 = (TSC_INITDEFAULT | TSC_EN_SCSI_PAR); | 625 | host->sconf1 = (TSC_INITDEFAULT | TSC_EN_SCSI_PAR); |
737 | else | 626 | else |
738 | pCurHcb->HCS_SConf1 = (TSC_INITDEFAULT); | 627 | host->sconf1 = (TSC_INITDEFAULT); |
739 | TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurHcb->HCS_SConf1); | 628 | outb(host->sconf1, host->addr + TUL_SConfig); |
740 | 629 | ||
741 | /* Enable HW reselect */ | 630 | /* Enable HW reselect */ |
742 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT); | 631 | outb(TSC_HW_RESELECT, host->addr + TUL_SCtrl1); |
743 | 632 | ||
744 | TUL_WR(pCurHcb->HCS_Base + TUL_SPeriod, 0); | 633 | outb(0, host->addr + TUL_SPeriod); |
745 | 634 | ||
746 | /* selection time out = 250 ms */ | 635 | /* selection time out = 250 ms */ |
747 | TUL_WR(pCurHcb->HCS_Base + TUL_STimeOut, 153); | 636 | outb(153, host->addr + TUL_STimeOut); |
748 | 637 | ||
749 | /*--------- Enable SCSI terminator -----*/ | 638 | /* Enable SCSI terminator */ |
750 | TUL_WR(pCurHcb->HCS_Base + TUL_XCtrl, (pCurHcb->HCS_Config & (HCC_ACT_TERM1 | HCC_ACT_TERM2))); | 639 | outb((host->config & (HCC_ACT_TERM1 | HCC_ACT_TERM2)), |
751 | TUL_WR(pCurHcb->HCS_Base + TUL_GCTRL1, | 640 | host->addr + TUL_XCtrl); |
752 | ((pCurHcb->HCS_Config & HCC_AUTO_TERM) >> 4) | (TUL_RD(pCurHcb->HCS_Base, TUL_GCTRL1) & 0xFE)); | 641 | outb(((host->config & HCC_AUTO_TERM) >> 4) | |
642 | (inb(host->addr + TUL_GCTRL1) & 0xFE), | ||
643 | host->addr + TUL_GCTRL1); | ||
753 | 644 | ||
754 | for (i = 0, | 645 | for (i = 0, |
755 | pwFlags = & (i91unvramp->NVM_SCSIInfo[0].NVM_Targ0Config), | 646 | flags = & (i91unvramp->NVM_SCSIInfo[0].NVM_Targ0Config), |
756 | pbHeads = pbBiosAdr + 0x180; | 647 | heads = bios_addr + 0x180; |
757 | i < pCurHcb->HCS_MaxTar; | 648 | i < host->max_tar; |
758 | i++, pwFlags++) { | 649 | i++, flags++) { |
759 | pCurHcb->HCS_Tcs[i].TCS_Flags = *pwFlags & ~(TCF_SYNC_DONE | TCF_WDTR_DONE); | 650 | host->targets[i].flags = *flags & ~(TCF_SYNC_DONE | TCF_WDTR_DONE); |
760 | if (pCurHcb->HCS_Tcs[i].TCS_Flags & TCF_EN_255) | 651 | if (host->targets[i].flags & TCF_EN_255) |
761 | pCurHcb->HCS_Tcs[i].TCS_DrvFlags = TCF_DRV_255_63; | 652 | host->targets[i].drv_flags = TCF_DRV_255_63; |
762 | else | 653 | else |
763 | pCurHcb->HCS_Tcs[i].TCS_DrvFlags = 0; | 654 | host->targets[i].drv_flags = 0; |
764 | pCurHcb->HCS_Tcs[i].TCS_JS_Period = 0; | 655 | host->targets[i].js_period = 0; |
765 | pCurHcb->HCS_Tcs[i].TCS_SConfig0 = pCurHcb->HCS_SConf1; | 656 | host->targets[i].sconfig0 = host->sconf1; |
766 | pCurHcb->HCS_Tcs[i].TCS_DrvHead = *pbHeads++; | 657 | host->targets[i].heads = *heads++; |
767 | if (pCurHcb->HCS_Tcs[i].TCS_DrvHead == 255) | 658 | if (host->targets[i].heads == 255) |
768 | pCurHcb->HCS_Tcs[i].TCS_DrvFlags = TCF_DRV_255_63; | 659 | host->targets[i].drv_flags = TCF_DRV_255_63; |
769 | else | 660 | else |
770 | pCurHcb->HCS_Tcs[i].TCS_DrvFlags = 0; | 661 | host->targets[i].drv_flags = 0; |
771 | pCurHcb->HCS_Tcs[i].TCS_DrvSector = *pbHeads++; | 662 | host->targets[i].sectors = *heads++; |
772 | pCurHcb->HCS_Tcs[i].TCS_Flags &= ~TCF_BUSY; | 663 | host->targets[i].flags &= ~TCF_BUSY; |
773 | pCurHcb->HCS_ActTags[i] = 0; | 664 | host->act_tags[i] = 0; |
774 | pCurHcb->HCS_MaxTags[i] = 0xFF; | 665 | host->max_tags[i] = 0xFF; |
775 | } /* for */ | 666 | } /* for */ |
776 | printk("i91u: PCI Base=0x%04X, IRQ=%d, BIOS=0x%04X0, SCSI ID=%d\n", | 667 | printk("i91u: PCI Base=0x%04X, IRQ=%d, BIOS=0x%04X0, SCSI ID=%d\n", |
777 | pCurHcb->HCS_Base, pCurHcb->HCS_Intr, | 668 | host->addr, host->irq, |
778 | pCurHcb->HCS_BIOS, pCurHcb->HCS_SCSI_ID); | 669 | host->bios_addr, host->scsi_id); |
779 | /*------------------- reset SCSI Bus ---------------------------*/ | 670 | /* Reset SCSI Bus */ |
780 | if (pCurHcb->HCS_Config & HCC_SCSI_RESET) { | 671 | if (host->config & HCC_SCSI_RESET) { |
781 | printk("i91u: Reset SCSI Bus ... \n"); | 672 | printk(KERN_INFO "i91u: Reset SCSI Bus ... \n"); |
782 | tul_reset_scsi(pCurHcb, seconds); | 673 | initio_reset_scsi(host, 10); |
783 | } | 674 | } |
784 | TUL_WR(pCurHcb->HCS_Base + TUL_SCFG1, 0x17); | 675 | outb(0x17, host->addr + TUL_SCFG1); |
785 | TUL_WR(pCurHcb->HCS_Base + TUL_SIntEnable, 0xE9); | 676 | outb(0xE9, host->addr + TUL_SIntEnable); |
786 | return (0); | ||
787 | } | 677 | } |
788 | 678 | ||
789 | /***************************************************************************/ | 679 | /** |
790 | static SCB *tul_alloc_scb(HCS * hcsp) | 680 | * initio_alloc_scb - Allocate an SCB |
681 | * @host: InitIO host we are allocating for | ||
682 | * | ||
683 | * Walk the SCB list for the controller and allocate a free SCB if | ||
684 | * one exists. | ||
685 | */ | ||
686 | static struct scsi_ctrl_blk *initio_alloc_scb(struct initio_host *host) | ||
791 | { | 687 | { |
792 | SCB *pTmpScb; | 688 | struct scsi_ctrl_blk *scb; |
793 | ULONG flags; | 689 | unsigned long flags; |
794 | spin_lock_irqsave(&(hcsp->HCS_AvailLock), flags); | 690 | |
795 | if ((pTmpScb = hcsp->HCS_FirstAvail) != NULL) { | 691 | spin_lock_irqsave(&host->avail_lock, flags); |
692 | if ((scb = host->first_avail) != NULL) { | ||
796 | #if DEBUG_QUEUE | 693 | #if DEBUG_QUEUE |
797 | printk("find scb at %08lx\n", (ULONG) pTmpScb); | 694 | printk("find scb at %p\n", scb); |
798 | #endif | 695 | #endif |
799 | if ((hcsp->HCS_FirstAvail = pTmpScb->SCB_NxtScb) == NULL) | 696 | if ((host->first_avail = scb->next) == NULL) |
800 | hcsp->HCS_LastAvail = NULL; | 697 | host->last_avail = NULL; |
801 | pTmpScb->SCB_NxtScb = NULL; | 698 | scb->next = NULL; |
802 | pTmpScb->SCB_Status = SCB_RENT; | 699 | scb->status = SCB_RENT; |
803 | } | 700 | } |
804 | spin_unlock_irqrestore(&(hcsp->HCS_AvailLock), flags); | 701 | spin_unlock_irqrestore(&host->avail_lock, flags); |
805 | return (pTmpScb); | 702 | return scb; |
806 | } | 703 | } |
807 | 704 | ||
808 | /***************************************************************************/ | 705 | /** |
809 | static void tul_release_scb(HCS * hcsp, SCB * scbp) | 706 | * initio_release_scb - Release an SCB |
707 | * @host: InitIO host that owns the SCB | ||
708 | * @cmnd: SCB command block being returned | ||
709 | * | ||
710 | * Return an allocated SCB to the host free list | ||
711 | */ | ||
712 | |||
713 | static void initio_release_scb(struct initio_host * host, struct scsi_ctrl_blk * cmnd) | ||
810 | { | 714 | { |
811 | ULONG flags; | 715 | unsigned long flags; |
812 | 716 | ||
813 | #if DEBUG_QUEUE | 717 | #if DEBUG_QUEUE |
814 | printk("Release SCB %lx; ", (ULONG) scbp); | 718 | printk("Release SCB %p; ", cmnd); |
815 | #endif | 719 | #endif |
816 | spin_lock_irqsave(&(hcsp->HCS_AvailLock), flags); | 720 | spin_lock_irqsave(&(host->avail_lock), flags); |
817 | scbp->SCB_Srb = NULL; | 721 | cmnd->srb = NULL; |
818 | scbp->SCB_Status = 0; | 722 | cmnd->status = 0; |
819 | scbp->SCB_NxtScb = NULL; | 723 | cmnd->next = NULL; |
820 | if (hcsp->HCS_LastAvail != NULL) { | 724 | if (host->last_avail != NULL) { |
821 | hcsp->HCS_LastAvail->SCB_NxtScb = scbp; | 725 | host->last_avail->next = cmnd; |
822 | hcsp->HCS_LastAvail = scbp; | 726 | host->last_avail = cmnd; |
823 | } else { | 727 | } else { |
824 | hcsp->HCS_FirstAvail = scbp; | 728 | host->first_avail = cmnd; |
825 | hcsp->HCS_LastAvail = scbp; | 729 | host->last_avail = cmnd; |
826 | } | 730 | } |
827 | spin_unlock_irqrestore(&(hcsp->HCS_AvailLock), flags); | 731 | spin_unlock_irqrestore(&(host->avail_lock), flags); |
828 | } | 732 | } |
829 | 733 | ||
830 | /***************************************************************************/ | 734 | /***************************************************************************/ |
831 | static void tul_append_pend_scb(HCS * pCurHcb, SCB * scbp) | 735 | static void initio_append_pend_scb(struct initio_host * host, struct scsi_ctrl_blk * scbp) |
832 | { | 736 | { |
833 | 737 | ||
834 | #if DEBUG_QUEUE | 738 | #if DEBUG_QUEUE |
835 | printk("Append pend SCB %lx; ", (ULONG) scbp); | 739 | printk("Append pend SCB %p; ", scbp); |
836 | #endif | 740 | #endif |
837 | scbp->SCB_Status = SCB_PEND; | 741 | scbp->status = SCB_PEND; |
838 | scbp->SCB_NxtScb = NULL; | 742 | scbp->next = NULL; |
839 | if (pCurHcb->HCS_LastPend != NULL) { | 743 | if (host->last_pending != NULL) { |
840 | pCurHcb->HCS_LastPend->SCB_NxtScb = scbp; | 744 | host->last_pending->next = scbp; |
841 | pCurHcb->HCS_LastPend = scbp; | 745 | host->last_pending = scbp; |
842 | } else { | 746 | } else { |
843 | pCurHcb->HCS_FirstPend = scbp; | 747 | host->first_pending = scbp; |
844 | pCurHcb->HCS_LastPend = scbp; | 748 | host->last_pending = scbp; |
845 | } | 749 | } |
846 | } | 750 | } |
847 | 751 | ||
848 | /***************************************************************************/ | 752 | /***************************************************************************/ |
849 | static void tul_push_pend_scb(HCS * pCurHcb, SCB * scbp) | 753 | static void initio_push_pend_scb(struct initio_host * host, struct scsi_ctrl_blk * scbp) |
850 | { | 754 | { |
851 | 755 | ||
852 | #if DEBUG_QUEUE | 756 | #if DEBUG_QUEUE |
853 | printk("Push pend SCB %lx; ", (ULONG) scbp); | 757 | printk("Push pend SCB %p; ", scbp); |
854 | #endif | 758 | #endif |
855 | scbp->SCB_Status = SCB_PEND; | 759 | scbp->status = SCB_PEND; |
856 | if ((scbp->SCB_NxtScb = pCurHcb->HCS_FirstPend) != NULL) { | 760 | if ((scbp->next = host->first_pending) != NULL) { |
857 | pCurHcb->HCS_FirstPend = scbp; | 761 | host->first_pending = scbp; |
858 | } else { | 762 | } else { |
859 | pCurHcb->HCS_FirstPend = scbp; | 763 | host->first_pending = scbp; |
860 | pCurHcb->HCS_LastPend = scbp; | 764 | host->last_pending = scbp; |
861 | } | 765 | } |
862 | } | 766 | } |
863 | 767 | ||
864 | /***************************************************************************/ | 768 | static struct scsi_ctrl_blk *initio_find_first_pend_scb(struct initio_host * host) |
865 | static SCB *tul_find_first_pend_scb(HCS * pCurHcb) | ||
866 | { | 769 | { |
867 | SCB *pFirstPend; | 770 | struct scsi_ctrl_blk *first; |
868 | 771 | ||
869 | 772 | ||
870 | pFirstPend = pCurHcb->HCS_FirstPend; | 773 | first = host->first_pending; |
871 | while (pFirstPend != NULL) { | 774 | while (first != NULL) { |
872 | if (pFirstPend->SCB_Opcode != ExecSCSI) { | 775 | if (first->opcode != ExecSCSI) |
873 | return (pFirstPend); | 776 | return first; |
874 | } | 777 | if (first->tagmsg == 0) { |
875 | if (pFirstPend->SCB_TagMsg == 0) { | 778 | if ((host->act_tags[first->target] == 0) && |
876 | if ((pCurHcb->HCS_ActTags[pFirstPend->SCB_Target] == 0) && | 779 | !(host->targets[first->target].flags & TCF_BUSY)) |
877 | !(pCurHcb->HCS_Tcs[pFirstPend->SCB_Target].TCS_Flags & TCF_BUSY)) { | 780 | return first; |
878 | return (pFirstPend); | ||
879 | } | ||
880 | } else { | 781 | } else { |
881 | if ((pCurHcb->HCS_ActTags[pFirstPend->SCB_Target] >= | 782 | if ((host->act_tags[first->target] >= |
882 | pCurHcb->HCS_MaxTags[pFirstPend->SCB_Target]) | | 783 | host->max_tags[first->target]) | |
883 | (pCurHcb->HCS_Tcs[pFirstPend->SCB_Target].TCS_Flags & TCF_BUSY)) { | 784 | (host->targets[first->target].flags & TCF_BUSY)) { |
884 | pFirstPend = pFirstPend->SCB_NxtScb; | 785 | first = first->next; |
885 | continue; | 786 | continue; |
886 | } | 787 | } |
887 | return (pFirstPend); | 788 | return first; |
888 | } | 789 | } |
889 | pFirstPend = pFirstPend->SCB_NxtScb; | 790 | first = first->next; |
890 | } | 791 | } |
891 | 792 | return first; | |
892 | |||
893 | return (pFirstPend); | ||
894 | } | 793 | } |
895 | /***************************************************************************/ | 794 | |
896 | static void tul_unlink_pend_scb(HCS * pCurHcb, SCB * pCurScb) | 795 | static void initio_unlink_pend_scb(struct initio_host * host, struct scsi_ctrl_blk * scb) |
897 | { | 796 | { |
898 | SCB *pTmpScb, *pPrevScb; | 797 | struct scsi_ctrl_blk *tmp, *prev; |
899 | 798 | ||
900 | #if DEBUG_QUEUE | 799 | #if DEBUG_QUEUE |
901 | printk("unlink pend SCB %lx; ", (ULONG) pCurScb); | 800 | printk("unlink pend SCB %p; ", scb); |
902 | #endif | 801 | #endif |
903 | 802 | ||
904 | pPrevScb = pTmpScb = pCurHcb->HCS_FirstPend; | 803 | prev = tmp = host->first_pending; |
905 | while (pTmpScb != NULL) { | 804 | while (tmp != NULL) { |
906 | if (pCurScb == pTmpScb) { /* Unlink this SCB */ | 805 | if (scb == tmp) { /* Unlink this SCB */ |
907 | if (pTmpScb == pCurHcb->HCS_FirstPend) { | 806 | if (tmp == host->first_pending) { |
908 | if ((pCurHcb->HCS_FirstPend = pTmpScb->SCB_NxtScb) == NULL) | 807 | if ((host->first_pending = tmp->next) == NULL) |
909 | pCurHcb->HCS_LastPend = NULL; | 808 | host->last_pending = NULL; |
910 | } else { | 809 | } else { |
911 | pPrevScb->SCB_NxtScb = pTmpScb->SCB_NxtScb; | 810 | prev->next = tmp->next; |
912 | if (pTmpScb == pCurHcb->HCS_LastPend) | 811 | if (tmp == host->last_pending) |
913 | pCurHcb->HCS_LastPend = pPrevScb; | 812 | host->last_pending = prev; |
914 | } | 813 | } |
915 | pTmpScb->SCB_NxtScb = NULL; | 814 | tmp->next = NULL; |
916 | break; | 815 | break; |
917 | } | 816 | } |
918 | pPrevScb = pTmpScb; | 817 | prev = tmp; |
919 | pTmpScb = pTmpScb->SCB_NxtScb; | 818 | tmp = tmp->next; |
920 | } | 819 | } |
921 | return; | ||
922 | } | 820 | } |
923 | /***************************************************************************/ | 821 | |
924 | static void tul_append_busy_scb(HCS * pCurHcb, SCB * scbp) | 822 | static void initio_append_busy_scb(struct initio_host * host, struct scsi_ctrl_blk * scbp) |
925 | { | 823 | { |
926 | 824 | ||
927 | #if DEBUG_QUEUE | 825 | #if DEBUG_QUEUE |
928 | printk("append busy SCB %lx; ", (ULONG) scbp); | 826 | printk("append busy SCB %o; ", scbp); |
929 | #endif | 827 | #endif |
930 | if (scbp->SCB_TagMsg) | 828 | if (scbp->tagmsg) |
931 | pCurHcb->HCS_ActTags[scbp->SCB_Target]++; | 829 | host->act_tags[scbp->target]++; |
932 | else | 830 | else |
933 | pCurHcb->HCS_Tcs[scbp->SCB_Target].TCS_Flags |= TCF_BUSY; | 831 | host->targets[scbp->target].flags |= TCF_BUSY; |
934 | scbp->SCB_Status = SCB_BUSY; | 832 | scbp->status = SCB_BUSY; |
935 | scbp->SCB_NxtScb = NULL; | 833 | scbp->next = NULL; |
936 | if (pCurHcb->HCS_LastBusy != NULL) { | 834 | if (host->last_busy != NULL) { |
937 | pCurHcb->HCS_LastBusy->SCB_NxtScb = scbp; | 835 | host->last_busy->next = scbp; |
938 | pCurHcb->HCS_LastBusy = scbp; | 836 | host->last_busy = scbp; |
939 | } else { | 837 | } else { |
940 | pCurHcb->HCS_FirstBusy = scbp; | 838 | host->first_busy = scbp; |
941 | pCurHcb->HCS_LastBusy = scbp; | 839 | host->last_busy = scbp; |
942 | } | 840 | } |
943 | } | 841 | } |
944 | 842 | ||
945 | /***************************************************************************/ | 843 | /***************************************************************************/ |
946 | static SCB *tul_pop_busy_scb(HCS * pCurHcb) | 844 | static struct scsi_ctrl_blk *initio_pop_busy_scb(struct initio_host * host) |
947 | { | 845 | { |
948 | SCB *pTmpScb; | 846 | struct scsi_ctrl_blk *tmp; |
949 | 847 | ||
950 | 848 | ||
951 | if ((pTmpScb = pCurHcb->HCS_FirstBusy) != NULL) { | 849 | if ((tmp = host->first_busy) != NULL) { |
952 | if ((pCurHcb->HCS_FirstBusy = pTmpScb->SCB_NxtScb) == NULL) | 850 | if ((host->first_busy = tmp->next) == NULL) |
953 | pCurHcb->HCS_LastBusy = NULL; | 851 | host->last_busy = NULL; |
954 | pTmpScb->SCB_NxtScb = NULL; | 852 | tmp->next = NULL; |
955 | if (pTmpScb->SCB_TagMsg) | 853 | if (tmp->tagmsg) |
956 | pCurHcb->HCS_ActTags[pTmpScb->SCB_Target]--; | 854 | host->act_tags[tmp->target]--; |
957 | else | 855 | else |
958 | pCurHcb->HCS_Tcs[pTmpScb->SCB_Target].TCS_Flags &= ~TCF_BUSY; | 856 | host->targets[tmp->target].flags &= ~TCF_BUSY; |
959 | } | 857 | } |
960 | #if DEBUG_QUEUE | 858 | #if DEBUG_QUEUE |
961 | printk("Pop busy SCB %lx; ", (ULONG) pTmpScb); | 859 | printk("Pop busy SCB %p; ", tmp); |
962 | #endif | 860 | #endif |
963 | return (pTmpScb); | 861 | return tmp; |
964 | } | 862 | } |
965 | 863 | ||
966 | /***************************************************************************/ | 864 | /***************************************************************************/ |
967 | static void tul_unlink_busy_scb(HCS * pCurHcb, SCB * pCurScb) | 865 | static void initio_unlink_busy_scb(struct initio_host * host, struct scsi_ctrl_blk * scb) |
968 | { | 866 | { |
969 | SCB *pTmpScb, *pPrevScb; | 867 | struct scsi_ctrl_blk *tmp, *prev; |
970 | 868 | ||
971 | #if DEBUG_QUEUE | 869 | #if DEBUG_QUEUE |
972 | printk("unlink busy SCB %lx; ", (ULONG) pCurScb); | 870 | printk("unlink busy SCB %p; ", scb); |
973 | #endif | 871 | #endif |
974 | 872 | ||
975 | pPrevScb = pTmpScb = pCurHcb->HCS_FirstBusy; | 873 | prev = tmp = host->first_busy; |
976 | while (pTmpScb != NULL) { | 874 | while (tmp != NULL) { |
977 | if (pCurScb == pTmpScb) { /* Unlink this SCB */ | 875 | if (scb == tmp) { /* Unlink this SCB */ |
978 | if (pTmpScb == pCurHcb->HCS_FirstBusy) { | 876 | if (tmp == host->first_busy) { |
979 | if ((pCurHcb->HCS_FirstBusy = pTmpScb->SCB_NxtScb) == NULL) | 877 | if ((host->first_busy = tmp->next) == NULL) |
980 | pCurHcb->HCS_LastBusy = NULL; | 878 | host->last_busy = NULL; |
981 | } else { | 879 | } else { |
982 | pPrevScb->SCB_NxtScb = pTmpScb->SCB_NxtScb; | 880 | prev->next = tmp->next; |
983 | if (pTmpScb == pCurHcb->HCS_LastBusy) | 881 | if (tmp == host->last_busy) |
984 | pCurHcb->HCS_LastBusy = pPrevScb; | 882 | host->last_busy = prev; |
985 | } | 883 | } |
986 | pTmpScb->SCB_NxtScb = NULL; | 884 | tmp->next = NULL; |
987 | if (pTmpScb->SCB_TagMsg) | 885 | if (tmp->tagmsg) |
988 | pCurHcb->HCS_ActTags[pTmpScb->SCB_Target]--; | 886 | host->act_tags[tmp->target]--; |
989 | else | 887 | else |
990 | pCurHcb->HCS_Tcs[pTmpScb->SCB_Target].TCS_Flags &= ~TCF_BUSY; | 888 | host->targets[tmp->target].flags &= ~TCF_BUSY; |
991 | break; | 889 | break; |
992 | } | 890 | } |
993 | pPrevScb = pTmpScb; | 891 | prev = tmp; |
994 | pTmpScb = pTmpScb->SCB_NxtScb; | 892 | tmp = tmp->next; |
995 | } | 893 | } |
996 | return; | 894 | return; |
997 | } | 895 | } |
998 | 896 | ||
999 | /***************************************************************************/ | 897 | struct scsi_ctrl_blk *initio_find_busy_scb(struct initio_host * host, u16 tarlun) |
1000 | SCB *tul_find_busy_scb(HCS * pCurHcb, WORD tarlun) | ||
1001 | { | 898 | { |
1002 | SCB *pTmpScb, *pPrevScb; | 899 | struct scsi_ctrl_blk *tmp, *prev; |
1003 | WORD scbp_tarlun; | 900 | u16 scbp_tarlun; |
1004 | 901 | ||
1005 | 902 | ||
1006 | pPrevScb = pTmpScb = pCurHcb->HCS_FirstBusy; | 903 | prev = tmp = host->first_busy; |
1007 | while (pTmpScb != NULL) { | 904 | while (tmp != NULL) { |
1008 | scbp_tarlun = (pTmpScb->SCB_Lun << 8) | (pTmpScb->SCB_Target); | 905 | scbp_tarlun = (tmp->lun << 8) | (tmp->target); |
1009 | if (scbp_tarlun == tarlun) { /* Unlink this SCB */ | 906 | if (scbp_tarlun == tarlun) { /* Unlink this SCB */ |
1010 | break; | 907 | break; |
1011 | } | 908 | } |
1012 | pPrevScb = pTmpScb; | 909 | prev = tmp; |
1013 | pTmpScb = pTmpScb->SCB_NxtScb; | 910 | tmp = tmp->next; |
1014 | } | 911 | } |
1015 | #if DEBUG_QUEUE | 912 | #if DEBUG_QUEUE |
1016 | printk("find busy SCB %lx; ", (ULONG) pTmpScb); | 913 | printk("find busy SCB %p; ", tmp); |
1017 | #endif | 914 | #endif |
1018 | return (pTmpScb); | 915 | return tmp; |
1019 | } | 916 | } |
1020 | 917 | ||
1021 | /***************************************************************************/ | 918 | static void initio_append_done_scb(struct initio_host * host, struct scsi_ctrl_blk * scbp) |
1022 | static void tul_append_done_scb(HCS * pCurHcb, SCB * scbp) | ||
1023 | { | 919 | { |
1024 | |||
1025 | #if DEBUG_QUEUE | 920 | #if DEBUG_QUEUE |
1026 | printk("append done SCB %lx; ", (ULONG) scbp); | 921 | printk("append done SCB %p; ", scbp); |
1027 | #endif | 922 | #endif |
1028 | 923 | ||
1029 | scbp->SCB_Status = SCB_DONE; | 924 | scbp->status = SCB_DONE; |
1030 | scbp->SCB_NxtScb = NULL; | 925 | scbp->next = NULL; |
1031 | if (pCurHcb->HCS_LastDone != NULL) { | 926 | if (host->last_done != NULL) { |
1032 | pCurHcb->HCS_LastDone->SCB_NxtScb = scbp; | 927 | host->last_done->next = scbp; |
1033 | pCurHcb->HCS_LastDone = scbp; | 928 | host->last_done = scbp; |
1034 | } else { | 929 | } else { |
1035 | pCurHcb->HCS_FirstDone = scbp; | 930 | host->first_done = scbp; |
1036 | pCurHcb->HCS_LastDone = scbp; | 931 | host->last_done = scbp; |
1037 | } | 932 | } |
1038 | } | 933 | } |
1039 | 934 | ||
1040 | /***************************************************************************/ | 935 | struct scsi_ctrl_blk *initio_find_done_scb(struct initio_host * host) |
1041 | SCB *tul_find_done_scb(HCS * pCurHcb) | ||
1042 | { | 936 | { |
1043 | SCB *pTmpScb; | 937 | struct scsi_ctrl_blk *tmp; |
1044 | 938 | ||
1045 | 939 | if ((tmp = host->first_done) != NULL) { | |
1046 | if ((pTmpScb = pCurHcb->HCS_FirstDone) != NULL) { | 940 | if ((host->first_done = tmp->next) == NULL) |
1047 | if ((pCurHcb->HCS_FirstDone = pTmpScb->SCB_NxtScb) == NULL) | 941 | host->last_done = NULL; |
1048 | pCurHcb->HCS_LastDone = NULL; | 942 | tmp->next = NULL; |
1049 | pTmpScb->SCB_NxtScb = NULL; | ||
1050 | } | 943 | } |
1051 | #if DEBUG_QUEUE | 944 | #if DEBUG_QUEUE |
1052 | printk("find done SCB %lx; ", (ULONG) pTmpScb); | 945 | printk("find done SCB %p; ",tmp); |
1053 | #endif | 946 | #endif |
1054 | return (pTmpScb); | 947 | return tmp; |
1055 | } | 948 | } |
1056 | 949 | ||
1057 | /***************************************************************************/ | 950 | static int initio_abort_srb(struct initio_host * host, struct scsi_cmnd *srbp) |
1058 | static int tul_abort_srb(HCS * pCurHcb, struct scsi_cmnd *srbp) | ||
1059 | { | 951 | { |
1060 | ULONG flags; | 952 | unsigned long flags; |
1061 | SCB *pTmpScb, *pPrevScb; | 953 | struct scsi_ctrl_blk *tmp, *prev; |
1062 | 954 | ||
1063 | spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); | 955 | spin_lock_irqsave(&host->semaph_lock, flags); |
1064 | 956 | ||
1065 | if ((pCurHcb->HCS_Semaph == 0) && (pCurHcb->HCS_ActScb == NULL)) { | 957 | if ((host->semaph == 0) && (host->active == NULL)) { |
1066 | TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F); | ||
1067 | /* disable Jasmin SCSI Int */ | 958 | /* disable Jasmin SCSI Int */ |
1068 | 959 | outb(0x1F, host->addr + TUL_Mask); | |
1069 | spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); | 960 | spin_unlock_irqrestore(&host->semaph_lock, flags); |
1070 | 961 | /* FIXME: synchronize_irq needed ? */ | |
1071 | tulip_main(pCurHcb); | 962 | tulip_main(host); |
1072 | 963 | spin_lock_irqsave(&host->semaph_lock, flags); | |
1073 | spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); | 964 | host->semaph = 1; |
1074 | 965 | outb(0x0F, host->addr + TUL_Mask); | |
1075 | pCurHcb->HCS_Semaph = 1; | 966 | spin_unlock_irqrestore(&host->semaph_lock, flags); |
1076 | TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F); | ||
1077 | |||
1078 | spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); | ||
1079 | |||
1080 | return SCSI_ABORT_SNOOZE; | 967 | return SCSI_ABORT_SNOOZE; |
1081 | } | 968 | } |
1082 | pPrevScb = pTmpScb = pCurHcb->HCS_FirstPend; /* Check Pend queue */ | 969 | prev = tmp = host->first_pending; /* Check Pend queue */ |
1083 | while (pTmpScb != NULL) { | 970 | while (tmp != NULL) { |
1084 | /* 07/27/98 */ | 971 | /* 07/27/98 */ |
1085 | if (pTmpScb->SCB_Srb == srbp) { | 972 | if (tmp->srb == srbp) { |
1086 | if (pTmpScb == pCurHcb->HCS_ActScb) { | 973 | if (tmp == host->active) { |
1087 | spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); | 974 | spin_unlock_irqrestore(&host->semaph_lock, flags); |
1088 | return SCSI_ABORT_BUSY; | 975 | return SCSI_ABORT_BUSY; |
1089 | } else if (pTmpScb == pCurHcb->HCS_FirstPend) { | 976 | } else if (tmp == host->first_pending) { |
1090 | if ((pCurHcb->HCS_FirstPend = pTmpScb->SCB_NxtScb) == NULL) | 977 | if ((host->first_pending = tmp->next) == NULL) |
1091 | pCurHcb->HCS_LastPend = NULL; | 978 | host->last_pending = NULL; |
1092 | } else { | 979 | } else { |
1093 | pPrevScb->SCB_NxtScb = pTmpScb->SCB_NxtScb; | 980 | prev->next = tmp->next; |
1094 | if (pTmpScb == pCurHcb->HCS_LastPend) | 981 | if (tmp == host->last_pending) |
1095 | pCurHcb->HCS_LastPend = pPrevScb; | 982 | host->last_pending = prev; |
1096 | } | 983 | } |
1097 | pTmpScb->SCB_HaStat = HOST_ABORTED; | 984 | tmp->hastat = HOST_ABORTED; |
1098 | pTmpScb->SCB_Flags |= SCF_DONE; | 985 | tmp->flags |= SCF_DONE; |
1099 | if (pTmpScb->SCB_Flags & SCF_POST) | 986 | if (tmp->flags & SCF_POST) |
1100 | (*pTmpScb->SCB_Post) ((BYTE *) pCurHcb, (BYTE *) pTmpScb); | 987 | (*tmp->post) ((u8 *) host, (u8 *) tmp); |
1101 | spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); | 988 | spin_unlock_irqrestore(&host->semaph_lock, flags); |
1102 | return SCSI_ABORT_SUCCESS; | 989 | return SCSI_ABORT_SUCCESS; |
1103 | } | 990 | } |
1104 | pPrevScb = pTmpScb; | 991 | prev = tmp; |
1105 | pTmpScb = pTmpScb->SCB_NxtScb; | 992 | tmp = tmp->next; |
1106 | } | 993 | } |
1107 | 994 | ||
1108 | pPrevScb = pTmpScb = pCurHcb->HCS_FirstBusy; /* Check Busy queue */ | 995 | prev = tmp = host->first_busy; /* Check Busy queue */ |
1109 | while (pTmpScb != NULL) { | 996 | while (tmp != NULL) { |
1110 | 997 | if (tmp->srb == srbp) { | |
1111 | if (pTmpScb->SCB_Srb == srbp) { | 998 | if (tmp == host->active) { |
1112 | 999 | spin_unlock_irqrestore(&host->semaph_lock, flags); | |
1113 | if (pTmpScb == pCurHcb->HCS_ActScb) { | ||
1114 | spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); | ||
1115 | return SCSI_ABORT_BUSY; | 1000 | return SCSI_ABORT_BUSY; |
1116 | } else if (pTmpScb->SCB_TagMsg == 0) { | 1001 | } else if (tmp->tagmsg == 0) { |
1117 | spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); | 1002 | spin_unlock_irqrestore(&host->semaph_lock, flags); |
1118 | return SCSI_ABORT_BUSY; | 1003 | return SCSI_ABORT_BUSY; |
1119 | } else { | 1004 | } else { |
1120 | pCurHcb->HCS_ActTags[pTmpScb->SCB_Target]--; | 1005 | host->act_tags[tmp->target]--; |
1121 | if (pTmpScb == pCurHcb->HCS_FirstBusy) { | 1006 | if (tmp == host->first_busy) { |
1122 | if ((pCurHcb->HCS_FirstBusy = pTmpScb->SCB_NxtScb) == NULL) | 1007 | if ((host->first_busy = tmp->next) == NULL) |
1123 | pCurHcb->HCS_LastBusy = NULL; | 1008 | host->last_busy = NULL; |
1124 | } else { | 1009 | } else { |
1125 | pPrevScb->SCB_NxtScb = pTmpScb->SCB_NxtScb; | 1010 | prev->next = tmp->next; |
1126 | if (pTmpScb == pCurHcb->HCS_LastBusy) | 1011 | if (tmp == host->last_busy) |
1127 | pCurHcb->HCS_LastBusy = pPrevScb; | 1012 | host->last_busy = prev; |
1128 | } | 1013 | } |
1129 | pTmpScb->SCB_NxtScb = NULL; | 1014 | tmp->next = NULL; |
1130 | 1015 | ||
1131 | 1016 | ||
1132 | pTmpScb->SCB_HaStat = HOST_ABORTED; | 1017 | tmp->hastat = HOST_ABORTED; |
1133 | pTmpScb->SCB_Flags |= SCF_DONE; | 1018 | tmp->flags |= SCF_DONE; |
1134 | if (pTmpScb->SCB_Flags & SCF_POST) | 1019 | if (tmp->flags & SCF_POST) |
1135 | (*pTmpScb->SCB_Post) ((BYTE *) pCurHcb, (BYTE *) pTmpScb); | 1020 | (*tmp->post) ((u8 *) host, (u8 *) tmp); |
1136 | spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); | 1021 | spin_unlock_irqrestore(&host->semaph_lock, flags); |
1137 | return SCSI_ABORT_SUCCESS; | 1022 | return SCSI_ABORT_SUCCESS; |
1138 | } | 1023 | } |
1139 | } | 1024 | } |
1140 | pPrevScb = pTmpScb; | 1025 | prev = tmp; |
1141 | pTmpScb = pTmpScb->SCB_NxtScb; | 1026 | tmp = tmp->next; |
1142 | } | 1027 | } |
1143 | spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); | 1028 | spin_unlock_irqrestore(&host->semaph_lock, flags); |
1144 | return (SCSI_ABORT_NOT_RUNNING); | 1029 | return SCSI_ABORT_NOT_RUNNING; |
1145 | } | 1030 | } |
1146 | 1031 | ||
1147 | /***************************************************************************/ | 1032 | /***************************************************************************/ |
1148 | static int tul_bad_seq(HCS * pCurHcb) | 1033 | static int initio_bad_seq(struct initio_host * host) |
1149 | { | 1034 | { |
1150 | SCB *pCurScb; | 1035 | struct scsi_ctrl_blk *scb; |
1151 | |||
1152 | printk("tul_bad_seg c=%d\n", pCurHcb->HCS_Index); | ||
1153 | |||
1154 | if ((pCurScb = pCurHcb->HCS_ActScb) != NULL) { | ||
1155 | tul_unlink_busy_scb(pCurHcb, pCurScb); | ||
1156 | pCurScb->SCB_HaStat = HOST_BAD_PHAS; | ||
1157 | pCurScb->SCB_TaStat = 0; | ||
1158 | tul_append_done_scb(pCurHcb, pCurScb); | ||
1159 | } | ||
1160 | tul_stop_bm(pCurHcb); | ||
1161 | |||
1162 | tul_reset_scsi(pCurHcb, 8); /* 7/29/98 */ | ||
1163 | |||
1164 | return (tul_post_scsi_rst(pCurHcb)); | ||
1165 | } | ||
1166 | |||
1167 | #if 0 | ||
1168 | |||
1169 | /************************************************************************/ | ||
1170 | static int tul_device_reset(HCS * pCurHcb, struct scsi_cmnd *pSrb, | ||
1171 | unsigned int target, unsigned int ResetFlags) | ||
1172 | { | ||
1173 | ULONG flags; | ||
1174 | SCB *pScb; | ||
1175 | spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); | ||
1176 | |||
1177 | if (ResetFlags & SCSI_RESET_ASYNCHRONOUS) { | ||
1178 | |||
1179 | if ((pCurHcb->HCS_Semaph == 0) && (pCurHcb->HCS_ActScb == NULL)) { | ||
1180 | TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F); | ||
1181 | /* disable Jasmin SCSI Int */ | ||
1182 | |||
1183 | spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); | ||
1184 | |||
1185 | tulip_main(pCurHcb); | ||
1186 | |||
1187 | spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); | ||
1188 | |||
1189 | pCurHcb->HCS_Semaph = 1; | ||
1190 | TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F); | ||
1191 | |||
1192 | spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); | ||
1193 | |||
1194 | return SCSI_RESET_SNOOZE; | ||
1195 | } | ||
1196 | pScb = pCurHcb->HCS_FirstBusy; /* Check Busy queue */ | ||
1197 | while (pScb != NULL) { | ||
1198 | if (pScb->SCB_Srb == pSrb) | ||
1199 | break; | ||
1200 | pScb = pScb->SCB_NxtScb; | ||
1201 | } | ||
1202 | if (pScb == NULL) { | ||
1203 | printk("Unable to Reset - No SCB Found\n"); | ||
1204 | |||
1205 | spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); | ||
1206 | return SCSI_RESET_NOT_RUNNING; | ||
1207 | } | ||
1208 | } | ||
1209 | if ((pScb = tul_alloc_scb(pCurHcb)) == NULL) { | ||
1210 | spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); | ||
1211 | return SCSI_RESET_NOT_RUNNING; | ||
1212 | } | ||
1213 | pScb->SCB_Opcode = BusDevRst; | ||
1214 | pScb->SCB_Flags = SCF_POST; | ||
1215 | pScb->SCB_Target = target; | ||
1216 | pScb->SCB_Mode = 0; | ||
1217 | |||
1218 | pScb->SCB_Srb = NULL; | ||
1219 | if (ResetFlags & SCSI_RESET_SYNCHRONOUS) { | ||
1220 | pScb->SCB_Srb = pSrb; | ||
1221 | } | ||
1222 | tul_push_pend_scb(pCurHcb, pScb); /* push this SCB to Pending queue */ | ||
1223 | |||
1224 | if (pCurHcb->HCS_Semaph == 1) { | ||
1225 | TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F); | ||
1226 | /* disable Jasmin SCSI Int */ | ||
1227 | pCurHcb->HCS_Semaph = 0; | ||
1228 | |||
1229 | spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); | ||
1230 | 1036 | ||
1231 | tulip_main(pCurHcb); | 1037 | printk("initio_bad_seg c=%d\n", host->index); |
1232 | 1038 | ||
1233 | spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); | 1039 | if ((scb = host->active) != NULL) { |
1234 | 1040 | initio_unlink_busy_scb(host, scb); | |
1235 | pCurHcb->HCS_Semaph = 1; | 1041 | scb->hastat = HOST_BAD_PHAS; |
1236 | TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F); | 1042 | scb->tastat = 0; |
1043 | initio_append_done_scb(host, scb); | ||
1237 | } | 1044 | } |
1238 | spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); | 1045 | initio_stop_bm(host); |
1239 | return SCSI_RESET_PENDING; | 1046 | initio_reset_scsi(host, 8); /* 7/29/98 */ |
1047 | return initio_post_scsi_rst(host); | ||
1240 | } | 1048 | } |
1241 | 1049 | ||
1242 | static int tul_reset_scsi_bus(HCS * pCurHcb) | ||
1243 | { | ||
1244 | ULONG flags; | ||
1245 | |||
1246 | spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); | ||
1247 | TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F); | ||
1248 | pCurHcb->HCS_Semaph = 0; | ||
1249 | |||
1250 | spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); | ||
1251 | |||
1252 | tul_stop_bm(pCurHcb); | ||
1253 | |||
1254 | tul_reset_scsi(pCurHcb, 2); /* 7/29/98 */ | ||
1255 | |||
1256 | spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); | ||
1257 | tul_post_scsi_rst(pCurHcb); | ||
1258 | |||
1259 | spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); | ||
1260 | |||
1261 | tulip_main(pCurHcb); | ||
1262 | |||
1263 | spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); | ||
1264 | |||
1265 | pCurHcb->HCS_Semaph = 1; | ||
1266 | TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F); | ||
1267 | spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); | ||
1268 | return (SCSI_RESET_SUCCESS | SCSI_RESET_HOST_RESET); | ||
1269 | } | ||
1270 | |||
1271 | #endif /* 0 */ | ||
1272 | 1050 | ||
1273 | /************************************************************************/ | 1051 | /************************************************************************/ |
1274 | static void tul_exec_scb(HCS * pCurHcb, SCB * pCurScb) | 1052 | static void initio_exec_scb(struct initio_host * host, struct scsi_ctrl_blk * scb) |
1275 | { | 1053 | { |
1276 | ULONG flags; | 1054 | unsigned long flags; |
1277 | 1055 | ||
1278 | pCurScb->SCB_Mode = 0; | 1056 | scb->mode = 0; |
1279 | 1057 | ||
1280 | pCurScb->SCB_SGIdx = 0; | 1058 | scb->sgidx = 0; |
1281 | pCurScb->SCB_SGMax = pCurScb->SCB_SGLen; | 1059 | scb->sgmax = scb->sglen; |
1282 | 1060 | ||
1283 | spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); | 1061 | spin_lock_irqsave(&host->semaph_lock, flags); |
1284 | 1062 | ||
1285 | tul_append_pend_scb(pCurHcb, pCurScb); /* Append this SCB to Pending queue */ | 1063 | initio_append_pend_scb(host, scb); /* Append this SCB to Pending queue */ |
1286 | 1064 | ||
1287 | /* VVVVV 07/21/98 */ | 1065 | /* VVVVV 07/21/98 */ |
1288 | if (pCurHcb->HCS_Semaph == 1) { | 1066 | if (host->semaph == 1) { |
1289 | TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F); | 1067 | /* Disable Jasmin SCSI Int */ |
1290 | /* disable Jasmin SCSI Int */ | 1068 | outb(0x1F, host->addr + TUL_Mask); |
1291 | pCurHcb->HCS_Semaph = 0; | 1069 | host->semaph = 0; |
1292 | 1070 | spin_unlock_irqrestore(&host->semaph_lock, flags); | |
1293 | spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); | ||
1294 | 1071 | ||
1295 | tulip_main(pCurHcb); | 1072 | tulip_main(host); |
1296 | 1073 | ||
1297 | spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); | 1074 | spin_lock_irqsave(&host->semaph_lock, flags); |
1298 | 1075 | host->semaph = 1; | |
1299 | pCurHcb->HCS_Semaph = 1; | 1076 | outb(0x0F, host->addr + TUL_Mask); |
1300 | TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F); | ||
1301 | } | 1077 | } |
1302 | spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); | 1078 | spin_unlock_irqrestore(&host->semaph_lock, flags); |
1303 | return; | 1079 | return; |
1304 | } | 1080 | } |
1305 | 1081 | ||
1306 | /***************************************************************************/ | 1082 | /***************************************************************************/ |
1307 | static int tul_isr(HCS * pCurHcb) | 1083 | static int initio_isr(struct initio_host * host) |
1308 | { | 1084 | { |
1309 | /* Enter critical section */ | 1085 | if (inb(host->addr + TUL_Int) & TSS_INT_PENDING) { |
1310 | 1086 | if (host->semaph == 1) { | |
1311 | if (TUL_RD(pCurHcb->HCS_Base, TUL_Int) & TSS_INT_PENDING) { | 1087 | outb(0x1F, host->addr + TUL_Mask); |
1312 | if (pCurHcb->HCS_Semaph == 1) { | ||
1313 | TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F); | ||
1314 | /* Disable Tulip SCSI Int */ | 1088 | /* Disable Tulip SCSI Int */ |
1315 | pCurHcb->HCS_Semaph = 0; | 1089 | host->semaph = 0; |
1316 | 1090 | ||
1317 | tulip_main(pCurHcb); | 1091 | tulip_main(host); |
1318 | 1092 | ||
1319 | pCurHcb->HCS_Semaph = 1; | 1093 | host->semaph = 1; |
1320 | TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F); | 1094 | outb(0x0F, host->addr + TUL_Mask); |
1321 | return (1); | 1095 | return 1; |
1322 | } | 1096 | } |
1323 | } | 1097 | } |
1324 | return (0); | 1098 | return 0; |
1325 | } | 1099 | } |
1326 | 1100 | ||
1327 | /***************************************************************************/ | 1101 | static int tulip_main(struct initio_host * host) |
1328 | int tulip_main(HCS * pCurHcb) | ||
1329 | { | 1102 | { |
1330 | SCB *pCurScb; | 1103 | struct scsi_ctrl_blk *scb; |
1331 | 1104 | ||
1332 | for (;;) { | 1105 | for (;;) { |
1333 | 1106 | tulip_scsi(host); /* Call tulip_scsi */ | |
1334 | tulip_scsi(pCurHcb); /* Call tulip_scsi */ | 1107 | |
1335 | 1108 | /* Walk the list of completed SCBs */ | |
1336 | while ((pCurScb = tul_find_done_scb(pCurHcb)) != NULL) { /* find done entry */ | 1109 | while ((scb = initio_find_done_scb(host)) != NULL) { /* find done entry */ |
1337 | if (pCurScb->SCB_TaStat == INI_QUEUE_FULL) { | 1110 | if (scb->tastat == INI_QUEUE_FULL) { |
1338 | pCurHcb->HCS_MaxTags[pCurScb->SCB_Target] = | 1111 | host->max_tags[scb->target] = |
1339 | pCurHcb->HCS_ActTags[pCurScb->SCB_Target] - 1; | 1112 | host->act_tags[scb->target] - 1; |
1340 | pCurScb->SCB_TaStat = 0; | 1113 | scb->tastat = 0; |
1341 | tul_append_pend_scb(pCurHcb, pCurScb); | 1114 | initio_append_pend_scb(host, scb); |
1342 | continue; | 1115 | continue; |
1343 | } | 1116 | } |
1344 | if (!(pCurScb->SCB_Mode & SCM_RSENS)) { /* not in auto req. sense mode */ | 1117 | if (!(scb->mode & SCM_RSENS)) { /* not in auto req. sense mode */ |
1345 | if (pCurScb->SCB_TaStat == 2) { | 1118 | if (scb->tastat == 2) { |
1346 | 1119 | ||
1347 | /* clr sync. nego flag */ | 1120 | /* clr sync. nego flag */ |
1348 | 1121 | ||
1349 | if (pCurScb->SCB_Flags & SCF_SENSE) { | 1122 | if (scb->flags & SCF_SENSE) { |
1350 | BYTE len; | 1123 | u8 len; |
1351 | len = pCurScb->SCB_SenseLen; | 1124 | len = scb->senselen; |
1352 | if (len == 0) | 1125 | if (len == 0) |
1353 | len = 1; | 1126 | len = 1; |
1354 | pCurScb->SCB_BufLen = pCurScb->SCB_SenseLen; | 1127 | scb->buflen = scb->senselen; |
1355 | pCurScb->SCB_BufPtr = pCurScb->SCB_SensePtr; | 1128 | scb->bufptr = scb->senseptr; |
1356 | pCurScb->SCB_Flags &= ~(SCF_SG | SCF_DIR); /* for xfer_data_in */ | 1129 | scb->flags &= ~(SCF_SG | SCF_DIR); /* for xfer_data_in */ |
1357 | /* pCurScb->SCB_Flags |= SCF_NO_DCHK; */ | 1130 | /* so, we won't report wrong direction in xfer_data_in, |
1358 | /* so, we won't report worng direction in xfer_data_in, | ||
1359 | and won't report HOST_DO_DU in state_6 */ | 1131 | and won't report HOST_DO_DU in state_6 */ |
1360 | pCurScb->SCB_Mode = SCM_RSENS; | 1132 | scb->mode = SCM_RSENS; |
1361 | pCurScb->SCB_Ident &= 0xBF; /* Disable Disconnect */ | 1133 | scb->ident &= 0xBF; /* Disable Disconnect */ |
1362 | pCurScb->SCB_TagMsg = 0; | 1134 | scb->tagmsg = 0; |
1363 | pCurScb->SCB_TaStat = 0; | 1135 | scb->tastat = 0; |
1364 | pCurScb->SCB_CDBLen = 6; | 1136 | scb->cdblen = 6; |
1365 | pCurScb->SCB_CDB[0] = SCSICMD_RequestSense; | 1137 | scb->cdb[0] = SCSICMD_RequestSense; |
1366 | pCurScb->SCB_CDB[1] = 0; | 1138 | scb->cdb[1] = 0; |
1367 | pCurScb->SCB_CDB[2] = 0; | 1139 | scb->cdb[2] = 0; |
1368 | pCurScb->SCB_CDB[3] = 0; | 1140 | scb->cdb[3] = 0; |
1369 | pCurScb->SCB_CDB[4] = len; | 1141 | scb->cdb[4] = len; |
1370 | pCurScb->SCB_CDB[5] = 0; | 1142 | scb->cdb[5] = 0; |
1371 | tul_push_pend_scb(pCurHcb, pCurScb); | 1143 | initio_push_pend_scb(host, scb); |
1372 | break; | 1144 | break; |
1373 | } | 1145 | } |
1374 | } | 1146 | } |
1375 | } else { /* in request sense mode */ | 1147 | } else { /* in request sense mode */ |
1376 | 1148 | ||
1377 | if (pCurScb->SCB_TaStat == 2) { /* check contition status again after sending | 1149 | if (scb->tastat == 2) { /* check contition status again after sending |
1378 | requset sense cmd 0x3 */ | 1150 | requset sense cmd 0x3 */ |
1379 | pCurScb->SCB_HaStat = HOST_BAD_PHAS; | 1151 | scb->hastat = HOST_BAD_PHAS; |
1380 | } | 1152 | } |
1381 | pCurScb->SCB_TaStat = 2; | 1153 | scb->tastat = 2; |
1382 | } | 1154 | } |
1383 | pCurScb->SCB_Flags |= SCF_DONE; | 1155 | scb->flags |= SCF_DONE; |
1384 | if (pCurScb->SCB_Flags & SCF_POST) { | 1156 | if (scb->flags & SCF_POST) { |
1385 | (*pCurScb->SCB_Post) ((BYTE *) pCurHcb, (BYTE *) pCurScb); | 1157 | /* FIXME: only one post method and lose casts */ |
1158 | (*scb->post) ((u8 *) host, (u8 *) scb); | ||
1386 | } | 1159 | } |
1387 | } /* while */ | 1160 | } /* while */ |
1388 | |||
1389 | /* find_active: */ | 1161 | /* find_active: */ |
1390 | if (TUL_RD(pCurHcb->HCS_Base, TUL_SStatus0) & TSS_INT_PENDING) | 1162 | if (inb(host->addr + TUL_SStatus0) & TSS_INT_PENDING) |
1391 | continue; | 1163 | continue; |
1392 | 1164 | if (host->active) /* return to OS and wait for xfer_done_ISR/Selected_ISR */ | |
1393 | if (pCurHcb->HCS_ActScb) { /* return to OS and wait for xfer_done_ISR/Selected_ISR */ | ||
1394 | return 1; /* return to OS, enable interrupt */ | 1165 | return 1; /* return to OS, enable interrupt */ |
1395 | } | ||
1396 | /* Check pending SCB */ | 1166 | /* Check pending SCB */ |
1397 | if (tul_find_first_pend_scb(pCurHcb) == NULL) { | 1167 | if (initio_find_first_pend_scb(host) == NULL) |
1398 | return 1; /* return to OS, enable interrupt */ | 1168 | return 1; /* return to OS, enable interrupt */ |
1399 | } | ||
1400 | } /* End of for loop */ | 1169 | } /* End of for loop */ |
1401 | /* statement won't reach here */ | 1170 | /* statement won't reach here */ |
1402 | } | 1171 | } |
1403 | 1172 | ||
1404 | 1173 | static void tulip_scsi(struct initio_host * host) | |
1405 | |||
1406 | |||
1407 | /*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */ | ||
1408 | /***************************************************************************/ | ||
1409 | /***************************************************************************/ | ||
1410 | /***************************************************************************/ | ||
1411 | /***************************************************************************/ | ||
1412 | |||
1413 | /***************************************************************************/ | ||
1414 | void tulip_scsi(HCS * pCurHcb) | ||
1415 | { | 1174 | { |
1416 | SCB *pCurScb; | 1175 | struct scsi_ctrl_blk *scb; |
1417 | TCS *pCurTcb; | 1176 | struct target_control *active_tc; |
1418 | 1177 | ||
1419 | /* make sure to service interrupt asap */ | 1178 | /* make sure to service interrupt asap */ |
1420 | 1179 | if ((host->jsstatus0 = inb(host->addr + TUL_SStatus0)) & TSS_INT_PENDING) { | |
1421 | if ((pCurHcb->HCS_JSStatus0 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus0)) & TSS_INT_PENDING) { | 1180 | host->phase = host->jsstatus0 & TSS_PH_MASK; |
1422 | 1181 | host->jsstatus1 = inb(host->addr + TUL_SStatus1); | |
1423 | pCurHcb->HCS_Phase = pCurHcb->HCS_JSStatus0 & TSS_PH_MASK; | 1182 | host->jsint = inb(host->addr + TUL_SInt); |
1424 | pCurHcb->HCS_JSStatus1 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus1); | 1183 | if (host->jsint & TSS_SCSIRST_INT) { /* SCSI bus reset detected */ |
1425 | pCurHcb->HCS_JSInt = TUL_RD(pCurHcb->HCS_Base, TUL_SInt); | 1184 | int_initio_scsi_rst(host); |
1426 | if (pCurHcb->HCS_JSInt & TSS_SCSIRST_INT) { /* SCSI bus reset detected */ | ||
1427 | int_tul_scsi_rst(pCurHcb); | ||
1428 | return; | 1185 | return; |
1429 | } | 1186 | } |
1430 | if (pCurHcb->HCS_JSInt & TSS_RESEL_INT) { /* if selected/reselected interrupt */ | 1187 | if (host->jsint & TSS_RESEL_INT) { /* if selected/reselected interrupt */ |
1431 | if (int_tul_resel(pCurHcb) == 0) | 1188 | if (int_initio_resel(host) == 0) |
1432 | tul_next_state(pCurHcb); | 1189 | initio_next_state(host); |
1433 | return; | 1190 | return; |
1434 | } | 1191 | } |
1435 | if (pCurHcb->HCS_JSInt & TSS_SEL_TIMEOUT) { | 1192 | if (host->jsint & TSS_SEL_TIMEOUT) { |
1436 | int_tul_busfree(pCurHcb); | 1193 | int_initio_busfree(host); |
1437 | return; | 1194 | return; |
1438 | } | 1195 | } |
1439 | if (pCurHcb->HCS_JSInt & TSS_DISC_INT) { /* BUS disconnection */ | 1196 | if (host->jsint & TSS_DISC_INT) { /* BUS disconnection */ |
1440 | int_tul_busfree(pCurHcb); /* unexpected bus free or sel timeout */ | 1197 | int_initio_busfree(host); /* unexpected bus free or sel timeout */ |
1441 | return; | 1198 | return; |
1442 | } | 1199 | } |
1443 | if (pCurHcb->HCS_JSInt & (TSS_FUNC_COMP | TSS_BUS_SERV)) { /* func complete or Bus service */ | 1200 | if (host->jsint & (TSS_FUNC_COMP | TSS_BUS_SERV)) { /* func complete or Bus service */ |
1444 | if ((pCurScb = pCurHcb->HCS_ActScb) != NULL) | 1201 | if ((scb = host->active) != NULL) |
1445 | tul_next_state(pCurHcb); | 1202 | initio_next_state(host); |
1446 | return; | 1203 | return; |
1447 | } | 1204 | } |
1448 | } | 1205 | } |
1449 | if (pCurHcb->HCS_ActScb != NULL) | 1206 | if (host->active != NULL) |
1450 | return; | 1207 | return; |
1451 | 1208 | ||
1452 | if ((pCurScb = tul_find_first_pend_scb(pCurHcb)) == NULL) | 1209 | if ((scb = initio_find_first_pend_scb(host)) == NULL) |
1453 | return; | 1210 | return; |
1454 | 1211 | ||
1455 | /* program HBA's SCSI ID & target SCSI ID */ | 1212 | /* program HBA's SCSI ID & target SCSI ID */ |
1456 | TUL_WR(pCurHcb->HCS_Base + TUL_SScsiId, | 1213 | outb((host->scsi_id << 4) | (scb->target & 0x0F), |
1457 | (pCurHcb->HCS_SCSI_ID << 4) | (pCurScb->SCB_Target & 0x0F)); | 1214 | host->addr + TUL_SScsiId); |
1458 | if (pCurScb->SCB_Opcode == ExecSCSI) { | 1215 | if (scb->opcode == ExecSCSI) { |
1459 | pCurTcb = &pCurHcb->HCS_Tcs[pCurScb->SCB_Target]; | 1216 | active_tc = &host->targets[scb->target]; |
1460 | 1217 | ||
1461 | if (pCurScb->SCB_TagMsg) | 1218 | if (scb->tagmsg) |
1462 | pCurTcb->TCS_DrvFlags |= TCF_DRV_EN_TAG; | 1219 | active_tc->drv_flags |= TCF_DRV_EN_TAG; |
1463 | else | 1220 | else |
1464 | pCurTcb->TCS_DrvFlags &= ~TCF_DRV_EN_TAG; | 1221 | active_tc->drv_flags &= ~TCF_DRV_EN_TAG; |
1465 | 1222 | ||
1466 | TUL_WR(pCurHcb->HCS_Base + TUL_SPeriod, pCurTcb->TCS_JS_Period); | 1223 | outb(active_tc->js_period, host->addr + TUL_SPeriod); |
1467 | if ((pCurTcb->TCS_Flags & (TCF_WDTR_DONE | TCF_NO_WDTR)) == 0) { /* do wdtr negotiation */ | 1224 | if ((active_tc->flags & (TCF_WDTR_DONE | TCF_NO_WDTR)) == 0) { /* do wdtr negotiation */ |
1468 | tul_select_atn_stop(pCurHcb, pCurScb); | 1225 | initio_select_atn_stop(host, scb); |
1469 | } else { | 1226 | } else { |
1470 | if ((pCurTcb->TCS_Flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) { /* do sync negotiation */ | 1227 | if ((active_tc->flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) { /* do sync negotiation */ |
1471 | tul_select_atn_stop(pCurHcb, pCurScb); | 1228 | initio_select_atn_stop(host, scb); |
1472 | } else { | 1229 | } else { |
1473 | if (pCurScb->SCB_TagMsg) | 1230 | if (scb->tagmsg) |
1474 | tul_select_atn3(pCurHcb, pCurScb); | 1231 | initio_select_atn3(host, scb); |
1475 | else | 1232 | else |
1476 | tul_select_atn(pCurHcb, pCurScb); | 1233 | initio_select_atn(host, scb); |
1477 | } | 1234 | } |
1478 | } | 1235 | } |
1479 | if (pCurScb->SCB_Flags & SCF_POLL) { | 1236 | if (scb->flags & SCF_POLL) { |
1480 | while (wait_tulip(pCurHcb) != -1) { | 1237 | while (wait_tulip(host) != -1) { |
1481 | if (tul_next_state(pCurHcb) == -1) | 1238 | if (initio_next_state(host) == -1) |
1482 | break; | 1239 | break; |
1483 | } | 1240 | } |
1484 | } | 1241 | } |
1485 | } else if (pCurScb->SCB_Opcode == BusDevRst) { | 1242 | } else if (scb->opcode == BusDevRst) { |
1486 | tul_select_atn_stop(pCurHcb, pCurScb); | 1243 | initio_select_atn_stop(host, scb); |
1487 | pCurScb->SCB_NxtStat = 8; | 1244 | scb->next_state = 8; |
1488 | if (pCurScb->SCB_Flags & SCF_POLL) { | 1245 | if (scb->flags & SCF_POLL) { |
1489 | while (wait_tulip(pCurHcb) != -1) { | 1246 | while (wait_tulip(host) != -1) { |
1490 | if (tul_next_state(pCurHcb) == -1) | 1247 | if (initio_next_state(host) == -1) |
1491 | break; | 1248 | break; |
1492 | } | 1249 | } |
1493 | } | 1250 | } |
1494 | } else if (pCurScb->SCB_Opcode == AbortCmd) { | 1251 | } else if (scb->opcode == AbortCmd) { |
1495 | if (tul_abort_srb(pCurHcb, pCurScb->SCB_Srb) != 0) { | 1252 | if (initio_abort_srb(host, scb->srb) != 0) { |
1496 | 1253 | initio_unlink_pend_scb(host, scb); | |
1497 | 1254 | initio_release_scb(host, scb); | |
1498 | tul_unlink_pend_scb(pCurHcb, pCurScb); | ||
1499 | |||
1500 | tul_release_scb(pCurHcb, pCurScb); | ||
1501 | } else { | 1255 | } else { |
1502 | pCurScb->SCB_Opcode = BusDevRst; | 1256 | scb->opcode = BusDevRst; |
1503 | tul_select_atn_stop(pCurHcb, pCurScb); | 1257 | initio_select_atn_stop(host, scb); |
1504 | pCurScb->SCB_NxtStat = 8; | 1258 | scb->next_state = 8; |
1505 | } | 1259 | } |
1506 | |||
1507 | /* 08/03/98 */ | ||
1508 | } else { | 1260 | } else { |
1509 | tul_unlink_pend_scb(pCurHcb, pCurScb); | 1261 | initio_unlink_pend_scb(host, scb); |
1510 | pCurScb->SCB_HaStat = 0x16; /* bad command */ | 1262 | scb->hastat = 0x16; /* bad command */ |
1511 | tul_append_done_scb(pCurHcb, pCurScb); | 1263 | initio_append_done_scb(host, scb); |
1512 | } | 1264 | } |
1513 | return; | 1265 | return; |
1514 | } | 1266 | } |
1515 | 1267 | ||
1268 | /** | ||
1269 | * initio_next_state - Next SCSI state | ||
1270 | * @host: InitIO host we are processing | ||
1271 | * | ||
1272 | * Progress the active command block along the state machine | ||
1273 | * until we hit a state which we must wait for activity to occur. | ||
1274 | * | ||
1275 | * Returns zero or a negative code. | ||
1276 | */ | ||
1516 | 1277 | ||
1517 | /***************************************************************************/ | 1278 | static int initio_next_state(struct initio_host * host) |
1518 | int tul_next_state(HCS * pCurHcb) | ||
1519 | { | 1279 | { |
1520 | int next; | 1280 | int next; |
1521 | 1281 | ||
1522 | next = pCurHcb->HCS_ActScb->SCB_NxtStat; | 1282 | next = host->active->next_state; |
1523 | for (;;) { | 1283 | for (;;) { |
1524 | switch (next) { | 1284 | switch (next) { |
1525 | case 1: | 1285 | case 1: |
1526 | next = tul_state_1(pCurHcb); | 1286 | next = initio_state_1(host); |
1527 | break; | 1287 | break; |
1528 | case 2: | 1288 | case 2: |
1529 | next = tul_state_2(pCurHcb); | 1289 | next = initio_state_2(host); |
1530 | break; | 1290 | break; |
1531 | case 3: | 1291 | case 3: |
1532 | next = tul_state_3(pCurHcb); | 1292 | next = initio_state_3(host); |
1533 | break; | 1293 | break; |
1534 | case 4: | 1294 | case 4: |
1535 | next = tul_state_4(pCurHcb); | 1295 | next = initio_state_4(host); |
1536 | break; | 1296 | break; |
1537 | case 5: | 1297 | case 5: |
1538 | next = tul_state_5(pCurHcb); | 1298 | next = initio_state_5(host); |
1539 | break; | 1299 | break; |
1540 | case 6: | 1300 | case 6: |
1541 | next = tul_state_6(pCurHcb); | 1301 | next = initio_state_6(host); |
1542 | break; | 1302 | break; |
1543 | case 7: | 1303 | case 7: |
1544 | next = tul_state_7(pCurHcb); | 1304 | next = initio_state_7(host); |
1545 | break; | 1305 | break; |
1546 | case 8: | 1306 | case 8: |
1547 | return (tul_bus_device_reset(pCurHcb)); | 1307 | return initio_bus_device_reset(host); |
1548 | default: | 1308 | default: |
1549 | return (tul_bad_seq(pCurHcb)); | 1309 | return initio_bad_seq(host); |
1550 | } | 1310 | } |
1551 | if (next <= 0) | 1311 | if (next <= 0) |
1552 | return next; | 1312 | return next; |
@@ -1554,338 +1314,363 @@ int tul_next_state(HCS * pCurHcb) | |||
1554 | } | 1314 | } |
1555 | 1315 | ||
1556 | 1316 | ||
1557 | /***************************************************************************/ | 1317 | /** |
1558 | /* sTate after selection with attention & stop */ | 1318 | * initio_state_1 - SCSI state machine |
1559 | int tul_state_1(HCS * pCurHcb) | 1319 | * @host: InitIO host we are controlling |
1320 | * | ||
1321 | * Perform SCSI state processing for Select/Attention/Stop | ||
1322 | */ | ||
1323 | |||
1324 | static int initio_state_1(struct initio_host * host) | ||
1560 | { | 1325 | { |
1561 | SCB *pCurScb = pCurHcb->HCS_ActScb; | 1326 | struct scsi_ctrl_blk *scb = host->active; |
1562 | TCS *pCurTcb = pCurHcb->HCS_ActTcs; | 1327 | struct target_control *active_tc = host->active_tc; |
1563 | #if DEBUG_STATE | 1328 | #if DEBUG_STATE |
1564 | printk("-s1-"); | 1329 | printk("-s1-"); |
1565 | #endif | 1330 | #endif |
1566 | 1331 | ||
1567 | tul_unlink_pend_scb(pCurHcb, pCurScb); | 1332 | /* Move the SCB from pending to busy */ |
1568 | tul_append_busy_scb(pCurHcb, pCurScb); | 1333 | initio_unlink_pend_scb(host, scb); |
1334 | initio_append_busy_scb(host, scb); | ||
1569 | 1335 | ||
1570 | TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurTcb->TCS_SConfig0); | 1336 | outb(active_tc->sconfig0, host->addr + TUL_SConfig ); |
1571 | /* ATN on */ | 1337 | /* ATN on */ |
1572 | if (pCurHcb->HCS_Phase == MSG_OUT) { | 1338 | if (host->phase == MSG_OUT) { |
1573 | 1339 | outb(TSC_EN_BUS_IN | TSC_HW_RESELECT, host->addr + TUL_SCtrl1); | |
1574 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, (TSC_EN_BUS_IN | TSC_HW_RESELECT)); | 1340 | outb(scb->ident, host->addr + TUL_SFifo); |
1575 | 1341 | ||
1576 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_Ident); | 1342 | if (scb->tagmsg) { |
1577 | 1343 | outb(scb->tagmsg, host->addr + TUL_SFifo); | |
1578 | if (pCurScb->SCB_TagMsg) { | 1344 | outb(scb->tagid, host->addr + TUL_SFifo); |
1579 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_TagMsg); | 1345 | } |
1580 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_TagId); | 1346 | if ((active_tc->flags & (TCF_WDTR_DONE | TCF_NO_WDTR)) == 0) { |
1581 | } | 1347 | active_tc->flags |= TCF_WDTR_DONE; |
1582 | if ((pCurTcb->TCS_Flags & (TCF_WDTR_DONE | TCF_NO_WDTR)) == 0) { | 1348 | outb(MSG_EXTEND, host->addr + TUL_SFifo); |
1583 | 1349 | outb(2, host->addr + TUL_SFifo); /* Extended msg length */ | |
1584 | pCurTcb->TCS_Flags |= TCF_WDTR_DONE; | 1350 | outb(3, host->addr + TUL_SFifo); /* Sync request */ |
1585 | 1351 | outb(1, host->addr + TUL_SFifo); /* Start from 16 bits */ | |
1586 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_EXTEND); | 1352 | } else if ((active_tc->flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) { |
1587 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 2); /* Extended msg length */ | 1353 | active_tc->flags |= TCF_SYNC_DONE; |
1588 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 3); /* Sync request */ | 1354 | outb(MSG_EXTEND, host->addr + TUL_SFifo); |
1589 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 1); /* Start from 16 bits */ | 1355 | outb(3, host->addr + TUL_SFifo); /* extended msg length */ |
1590 | } else if ((pCurTcb->TCS_Flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) { | 1356 | outb(1, host->addr + TUL_SFifo); /* sync request */ |
1591 | 1357 | outb(initio_rate_tbl[active_tc->flags & TCF_SCSI_RATE], host->addr + TUL_SFifo); | |
1592 | pCurTcb->TCS_Flags |= TCF_SYNC_DONE; | 1358 | outb(MAX_OFFSET, host->addr + TUL_SFifo); /* REQ/ACK offset */ |
1593 | 1359 | } | |
1594 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_EXTEND); | 1360 | outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); |
1595 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 3); /* extended msg length */ | 1361 | if (wait_tulip(host) == -1) |
1596 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 1); /* sync request */ | 1362 | return -1; |
1597 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, tul_rate_tbl[pCurTcb->TCS_Flags & TCF_SCSI_RATE]); | 1363 | } |
1598 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MAX_OFFSET); /* REQ/ACK offset */ | 1364 | outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); |
1599 | } | 1365 | outb((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)), host->addr + TUL_SSignal); |
1600 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); | 1366 | /* Into before CDB xfer */ |
1601 | if (wait_tulip(pCurHcb) == -1) | 1367 | return 3; |
1602 | return (-1); | 1368 | } |
1603 | } | 1369 | |
1604 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); | 1370 | |
1605 | TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, (TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7))); | 1371 | /** |
1606 | return (3); | 1372 | * initio_state_2 - SCSI state machine |
1607 | } | 1373 | * @host: InitIO host we are controlling |
1608 | 1374 | * | |
1375 | * state after selection with attention | ||
1376 | * state after selection with attention3 | ||
1377 | */ | ||
1609 | 1378 | ||
1610 | /***************************************************************************/ | 1379 | static int initio_state_2(struct initio_host * host) |
1611 | /* state after selection with attention */ | ||
1612 | /* state after selection with attention3 */ | ||
1613 | int tul_state_2(HCS * pCurHcb) | ||
1614 | { | 1380 | { |
1615 | SCB *pCurScb = pCurHcb->HCS_ActScb; | 1381 | struct scsi_ctrl_blk *scb = host->active; |
1616 | TCS *pCurTcb = pCurHcb->HCS_ActTcs; | 1382 | struct target_control *active_tc = host->active_tc; |
1617 | #if DEBUG_STATE | 1383 | #if DEBUG_STATE |
1618 | printk("-s2-"); | 1384 | printk("-s2-"); |
1619 | #endif | 1385 | #endif |
1620 | 1386 | ||
1621 | tul_unlink_pend_scb(pCurHcb, pCurScb); | 1387 | initio_unlink_pend_scb(host, scb); |
1622 | tul_append_busy_scb(pCurHcb, pCurScb); | 1388 | initio_append_busy_scb(host, scb); |
1623 | 1389 | ||
1624 | TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurTcb->TCS_SConfig0); | 1390 | outb(active_tc->sconfig0, host->addr + TUL_SConfig); |
1625 | 1391 | ||
1626 | if (pCurHcb->HCS_JSStatus1 & TSS_CMD_PH_CMP) { | 1392 | if (host->jsstatus1 & TSS_CMD_PH_CMP) |
1627 | return (4); | 1393 | return 4; |
1628 | } | 1394 | |
1629 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); | 1395 | outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); |
1630 | TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, (TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7))); | 1396 | outb((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)), host->addr + TUL_SSignal); |
1631 | return (3); | 1397 | /* Into before CDB xfer */ |
1398 | return 3; | ||
1632 | } | 1399 | } |
1633 | 1400 | ||
1634 | /***************************************************************************/ | 1401 | /** |
1635 | /* state before CDB xfer is done */ | 1402 | * initio_state_3 - SCSI state machine |
1636 | int tul_state_3(HCS * pCurHcb) | 1403 | * @host: InitIO host we are controlling |
1404 | * | ||
1405 | * state before CDB xfer is done | ||
1406 | */ | ||
1407 | |||
1408 | static int initio_state_3(struct initio_host * host) | ||
1637 | { | 1409 | { |
1638 | SCB *pCurScb = pCurHcb->HCS_ActScb; | 1410 | struct scsi_ctrl_blk *scb = host->active; |
1639 | TCS *pCurTcb = pCurHcb->HCS_ActTcs; | 1411 | struct target_control *active_tc = host->active_tc; |
1640 | int i; | 1412 | int i; |
1641 | 1413 | ||
1642 | #if DEBUG_STATE | 1414 | #if DEBUG_STATE |
1643 | printk("-s3-"); | 1415 | printk("-s3-"); |
1644 | #endif | 1416 | #endif |
1645 | for (;;) { | 1417 | for (;;) { |
1646 | switch (pCurHcb->HCS_Phase) { | 1418 | switch (host->phase) { |
1647 | case CMD_OUT: /* Command out phase */ | 1419 | case CMD_OUT: /* Command out phase */ |
1648 | for (i = 0; i < (int) pCurScb->SCB_CDBLen; i++) | 1420 | for (i = 0; i < (int) scb->cdblen; i++) |
1649 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_CDB[i]); | 1421 | outb(scb->cdb[i], host->addr + TUL_SFifo); |
1650 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); | 1422 | outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); |
1651 | if (wait_tulip(pCurHcb) == -1) | 1423 | if (wait_tulip(host) == -1) |
1652 | return (-1); | 1424 | return -1; |
1653 | if (pCurHcb->HCS_Phase == CMD_OUT) { | 1425 | if (host->phase == CMD_OUT) |
1654 | return (tul_bad_seq(pCurHcb)); | 1426 | return initio_bad_seq(host); |
1655 | } | 1427 | return 4; |
1656 | return (4); | ||
1657 | 1428 | ||
1658 | case MSG_IN: /* Message in phase */ | 1429 | case MSG_IN: /* Message in phase */ |
1659 | pCurScb->SCB_NxtStat = 3; | 1430 | scb->next_state = 3; |
1660 | if (tul_msgin(pCurHcb) == -1) | 1431 | if (initio_msgin(host) == -1) |
1661 | return (-1); | 1432 | return -1; |
1662 | break; | 1433 | break; |
1663 | 1434 | ||
1664 | case STATUS_IN: /* Status phase */ | 1435 | case STATUS_IN: /* Status phase */ |
1665 | if (tul_status_msg(pCurHcb) == -1) | 1436 | if (initio_status_msg(host) == -1) |
1666 | return (-1); | 1437 | return -1; |
1667 | break; | 1438 | break; |
1668 | 1439 | ||
1669 | case MSG_OUT: /* Message out phase */ | 1440 | case MSG_OUT: /* Message out phase */ |
1670 | if (pCurTcb->TCS_Flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) { | 1441 | if (active_tc->flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) { |
1671 | 1442 | outb(MSG_NOP, host->addr + TUL_SFifo); /* msg nop */ | |
1672 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_NOP); /* msg nop */ | 1443 | outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); |
1673 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); | 1444 | if (wait_tulip(host) == -1) |
1674 | if (wait_tulip(pCurHcb) == -1) | 1445 | return -1; |
1675 | return (-1); | ||
1676 | |||
1677 | } else { | 1446 | } else { |
1678 | pCurTcb->TCS_Flags |= TCF_SYNC_DONE; | 1447 | active_tc->flags |= TCF_SYNC_DONE; |
1679 | 1448 | ||
1680 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_EXTEND); | 1449 | outb(MSG_EXTEND, host->addr + TUL_SFifo); |
1681 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 3); /* ext. msg len */ | 1450 | outb(3, host->addr + TUL_SFifo); /* ext. msg len */ |
1682 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 1); /* sync request */ | 1451 | outb(1, host->addr + TUL_SFifo); /* sync request */ |
1683 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, tul_rate_tbl[pCurTcb->TCS_Flags & TCF_SCSI_RATE]); | 1452 | outb(initio_rate_tbl[active_tc->flags & TCF_SCSI_RATE], host->addr + TUL_SFifo); |
1684 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MAX_OFFSET); /* REQ/ACK offset */ | 1453 | outb(MAX_OFFSET, host->addr + TUL_SFifo); /* REQ/ACK offset */ |
1685 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); | 1454 | outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); |
1686 | if (wait_tulip(pCurHcb) == -1) | 1455 | if (wait_tulip(host) == -1) |
1687 | return (-1); | 1456 | return -1; |
1688 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); | 1457 | outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); |
1689 | TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)); | 1458 | outb(inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7), host->addr + TUL_SSignal); |
1690 | 1459 | ||
1691 | } | 1460 | } |
1692 | break; | 1461 | break; |
1693 | |||
1694 | default: | 1462 | default: |
1695 | return (tul_bad_seq(pCurHcb)); | 1463 | return initio_bad_seq(host); |
1696 | } | 1464 | } |
1697 | } | 1465 | } |
1698 | } | 1466 | } |
1699 | 1467 | ||
1468 | /** | ||
1469 | * initio_state_4 - SCSI state machine | ||
1470 | * @host: InitIO host we are controlling | ||
1471 | * | ||
1472 | * SCSI state machine. State 4 | ||
1473 | */ | ||
1700 | 1474 | ||
1701 | /***************************************************************************/ | 1475 | static int initio_state_4(struct initio_host * host) |
1702 | int tul_state_4(HCS * pCurHcb) | ||
1703 | { | 1476 | { |
1704 | SCB *pCurScb = pCurHcb->HCS_ActScb; | 1477 | struct scsi_ctrl_blk *scb = host->active; |
1705 | 1478 | ||
1706 | #if DEBUG_STATE | 1479 | #if DEBUG_STATE |
1707 | printk("-s4-"); | 1480 | printk("-s4-"); |
1708 | #endif | 1481 | #endif |
1709 | if ((pCurScb->SCB_Flags & SCF_DIR) == SCF_NO_XF) { | 1482 | if ((scb->flags & SCF_DIR) == SCF_NO_XF) { |
1710 | return (6); /* Go to state 6 */ | 1483 | return 6; /* Go to state 6 (After data) */ |
1711 | } | 1484 | } |
1712 | for (;;) { | 1485 | for (;;) { |
1713 | if (pCurScb->SCB_BufLen == 0) | 1486 | if (scb->buflen == 0) |
1714 | return (6); /* Go to state 6 */ | 1487 | return 6; |
1715 | 1488 | ||
1716 | switch (pCurHcb->HCS_Phase) { | 1489 | switch (host->phase) { |
1717 | 1490 | ||
1718 | case STATUS_IN: /* Status phase */ | 1491 | case STATUS_IN: /* Status phase */ |
1719 | if ((pCurScb->SCB_Flags & SCF_DIR) != 0) { /* if direction bit set then report data underrun */ | 1492 | if ((scb->flags & SCF_DIR) != 0) /* if direction bit set then report data underrun */ |
1720 | pCurScb->SCB_HaStat = HOST_DO_DU; | 1493 | scb->hastat = HOST_DO_DU; |
1721 | } | 1494 | if ((initio_status_msg(host)) == -1) |
1722 | if ((tul_status_msg(pCurHcb)) == -1) | 1495 | return -1; |
1723 | return (-1); | ||
1724 | break; | 1496 | break; |
1725 | 1497 | ||
1726 | case MSG_IN: /* Message in phase */ | 1498 | case MSG_IN: /* Message in phase */ |
1727 | pCurScb->SCB_NxtStat = 0x4; | 1499 | scb->next_state = 0x4; |
1728 | if (tul_msgin(pCurHcb) == -1) | 1500 | if (initio_msgin(host) == -1) |
1729 | return (-1); | 1501 | return -1; |
1730 | break; | 1502 | break; |
1731 | 1503 | ||
1732 | case MSG_OUT: /* Message out phase */ | 1504 | case MSG_OUT: /* Message out phase */ |
1733 | if (pCurHcb->HCS_JSStatus0 & TSS_PAR_ERROR) { | 1505 | if (host->jsstatus0 & TSS_PAR_ERROR) { |
1734 | pCurScb->SCB_BufLen = 0; | 1506 | scb->buflen = 0; |
1735 | pCurScb->SCB_HaStat = HOST_DO_DU; | 1507 | scb->hastat = HOST_DO_DU; |
1736 | if (tul_msgout_ide(pCurHcb) == -1) | 1508 | if (initio_msgout_ide(host) == -1) |
1737 | return (-1); | 1509 | return -1; |
1738 | return (6); /* Go to state 6 */ | 1510 | return 6; |
1739 | } else { | 1511 | } else { |
1740 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_NOP); /* msg nop */ | 1512 | outb(MSG_NOP, host->addr + TUL_SFifo); /* msg nop */ |
1741 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); | 1513 | outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); |
1742 | if (wait_tulip(pCurHcb) == -1) | 1514 | if (wait_tulip(host) == -1) |
1743 | return (-1); | 1515 | return -1; |
1744 | } | 1516 | } |
1745 | break; | 1517 | break; |
1746 | 1518 | ||
1747 | case DATA_IN: /* Data in phase */ | 1519 | case DATA_IN: /* Data in phase */ |
1748 | return (tul_xfer_data_in(pCurHcb)); | 1520 | return initio_xfer_data_in(host); |
1749 | 1521 | ||
1750 | case DATA_OUT: /* Data out phase */ | 1522 | case DATA_OUT: /* Data out phase */ |
1751 | return (tul_xfer_data_out(pCurHcb)); | 1523 | return initio_xfer_data_out(host); |
1752 | 1524 | ||
1753 | default: | 1525 | default: |
1754 | return (tul_bad_seq(pCurHcb)); | 1526 | return initio_bad_seq(host); |
1755 | } | 1527 | } |
1756 | } | 1528 | } |
1757 | } | 1529 | } |
1758 | 1530 | ||
1759 | 1531 | ||
1760 | /***************************************************************************/ | 1532 | /** |
1761 | /* state after dma xfer done or phase change before xfer done */ | 1533 | * initio_state_5 - SCSI state machine |
1762 | int tul_state_5(HCS * pCurHcb) | 1534 | * @host: InitIO host we are controlling |
1535 | * | ||
1536 | * State after dma xfer done or phase change before xfer done | ||
1537 | */ | ||
1538 | |||
1539 | static int initio_state_5(struct initio_host * host) | ||
1763 | { | 1540 | { |
1764 | SCB *pCurScb = pCurHcb->HCS_ActScb; | 1541 | struct scsi_ctrl_blk *scb = host->active; |
1765 | long cnt, xcnt; /* cannot use unsigned !! code: if (xcnt < 0) */ | 1542 | long cnt, xcnt; /* cannot use unsigned !! code: if (xcnt < 0) */ |
1766 | 1543 | ||
1767 | #if DEBUG_STATE | 1544 | #if DEBUG_STATE |
1768 | printk("-s5-"); | 1545 | printk("-s5-"); |
1769 | #endif | 1546 | #endif |
1770 | /*------ get remaining count -------*/ | 1547 | /*------ get remaining count -------*/ |
1771 | 1548 | cnt = inl(host->addr + TUL_SCnt0) & 0x0FFFFFF; | |
1772 | cnt = TUL_RDLONG(pCurHcb->HCS_Base, TUL_SCnt0) & 0x0FFFFFF; | ||
1773 | 1549 | ||
1774 | if (TUL_RD(pCurHcb->HCS_Base, TUL_XCmd) & 0x20) { | 1550 | if (inb(host->addr + TUL_XCmd) & 0x20) { |
1775 | /* ----------------------- DATA_IN ----------------------------- */ | 1551 | /* ----------------------- DATA_IN ----------------------------- */ |
1776 | /* check scsi parity error */ | 1552 | /* check scsi parity error */ |
1777 | if (pCurHcb->HCS_JSStatus0 & TSS_PAR_ERROR) { | 1553 | if (host->jsstatus0 & TSS_PAR_ERROR) |
1778 | pCurScb->SCB_HaStat = HOST_DO_DU; | 1554 | scb->hastat = HOST_DO_DU; |
1779 | } | 1555 | if (inb(host->addr + TUL_XStatus) & XPEND) { /* DMA xfer pending, Send STOP */ |
1780 | if (TUL_RD(pCurHcb->HCS_Base, TUL_XStatus) & XPEND) { /* DMA xfer pending, Send STOP */ | ||
1781 | /* tell Hardware scsi xfer has been terminated */ | 1556 | /* tell Hardware scsi xfer has been terminated */ |
1782 | TUL_WR(pCurHcb->HCS_Base + TUL_XCtrl, TUL_RD(pCurHcb->HCS_Base, TUL_XCtrl) | 0x80); | 1557 | outb(inb(host->addr + TUL_XCtrl) | 0x80, host->addr + TUL_XCtrl); |
1783 | /* wait until DMA xfer not pending */ | 1558 | /* wait until DMA xfer not pending */ |
1784 | while (TUL_RD(pCurHcb->HCS_Base, TUL_XStatus) & XPEND); | 1559 | while (inb(host->addr + TUL_XStatus) & XPEND) |
1560 | cpu_relax(); | ||
1785 | } | 1561 | } |
1786 | } else { | 1562 | } else { |
1787 | /*-------- DATA OUT -----------*/ | 1563 | /*-------- DATA OUT -----------*/ |
1788 | if ((TUL_RD(pCurHcb->HCS_Base, TUL_SStatus1) & TSS_XFER_CMP) == 0) { | 1564 | if ((inb(host->addr + TUL_SStatus1) & TSS_XFER_CMP) == 0) { |
1789 | if (pCurHcb->HCS_ActTcs->TCS_JS_Period & TSC_WIDE_SCSI) | 1565 | if (host->active_tc->js_period & TSC_WIDE_SCSI) |
1790 | cnt += (TUL_RD(pCurHcb->HCS_Base, TUL_SFifoCnt) & 0x1F) << 1; | 1566 | cnt += (inb(host->addr + TUL_SFifoCnt) & 0x1F) << 1; |
1791 | else | 1567 | else |
1792 | cnt += (TUL_RD(pCurHcb->HCS_Base, TUL_SFifoCnt) & 0x1F); | 1568 | cnt += (inb(host->addr + TUL_SFifoCnt) & 0x1F); |
1793 | } | 1569 | } |
1794 | if (TUL_RD(pCurHcb->HCS_Base, TUL_XStatus) & XPEND) { /* if DMA xfer is pending, abort DMA xfer */ | 1570 | if (inb(host->addr + TUL_XStatus) & XPEND) { /* if DMA xfer is pending, abort DMA xfer */ |
1795 | TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_X_ABT); | 1571 | outb(TAX_X_ABT, host->addr + TUL_XCmd); |
1796 | /* wait Abort DMA xfer done */ | 1572 | /* wait Abort DMA xfer done */ |
1797 | while ((TUL_RD(pCurHcb->HCS_Base, TUL_Int) & XABT) == 0); | 1573 | while ((inb(host->addr + TUL_Int) & XABT) == 0) |
1574 | cpu_relax(); | ||
1798 | } | 1575 | } |
1799 | if ((cnt == 1) && (pCurHcb->HCS_Phase == DATA_OUT)) { | 1576 | if ((cnt == 1) && (host->phase == DATA_OUT)) { |
1800 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); | 1577 | outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); |
1801 | if (wait_tulip(pCurHcb) == -1) { | 1578 | if (wait_tulip(host) == -1) |
1802 | return (-1); | 1579 | return -1; |
1803 | } | ||
1804 | cnt = 0; | 1580 | cnt = 0; |
1805 | } else { | 1581 | } else { |
1806 | if ((TUL_RD(pCurHcb->HCS_Base, TUL_SStatus1) & TSS_XFER_CMP) == 0) | 1582 | if ((inb(host->addr + TUL_SStatus1) & TSS_XFER_CMP) == 0) |
1807 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); | 1583 | outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); |
1808 | } | 1584 | } |
1809 | } | 1585 | } |
1810 | |||
1811 | if (cnt == 0) { | 1586 | if (cnt == 0) { |
1812 | pCurScb->SCB_BufLen = 0; | 1587 | scb->buflen = 0; |
1813 | return (6); /* Go to state 6 */ | 1588 | return 6; /* After Data */ |
1814 | } | 1589 | } |
1815 | /* Update active data pointer */ | 1590 | /* Update active data pointer */ |
1816 | xcnt = (long) pCurScb->SCB_BufLen - cnt; /* xcnt== bytes already xferred */ | 1591 | xcnt = (long) scb->buflen - cnt; /* xcnt== bytes already xferred */ |
1817 | pCurScb->SCB_BufLen = (U32) cnt; /* cnt == bytes left to be xferred */ | 1592 | scb->buflen = (u32) cnt; /* cnt == bytes left to be xferred */ |
1818 | if (pCurScb->SCB_Flags & SCF_SG) { | 1593 | if (scb->flags & SCF_SG) { |
1819 | register SG *sgp; | 1594 | struct sg_entry *sgp; |
1820 | ULONG i; | 1595 | unsigned long i; |
1821 | 1596 | ||
1822 | sgp = &pCurScb->SCB_SGList[pCurScb->SCB_SGIdx]; | 1597 | sgp = &scb->sglist[scb->sgidx]; |
1823 | for (i = pCurScb->SCB_SGIdx; i < pCurScb->SCB_SGMax; sgp++, i++) { | 1598 | for (i = scb->sgidx; i < scb->sgmax; sgp++, i++) { |
1824 | xcnt -= (long) sgp->SG_Len; | 1599 | xcnt -= (long) sgp->len; |
1825 | if (xcnt < 0) { /* this sgp xfer half done */ | 1600 | if (xcnt < 0) { /* this sgp xfer half done */ |
1826 | xcnt += (long) sgp->SG_Len; /* xcnt == bytes xferred in this sgp */ | 1601 | xcnt += (long) sgp->len; /* xcnt == bytes xferred in this sgp */ |
1827 | sgp->SG_Ptr += (U32) xcnt; /* new ptr to be xfer */ | 1602 | sgp->data += (u32) xcnt; /* new ptr to be xfer */ |
1828 | sgp->SG_Len -= (U32) xcnt; /* new len to be xfer */ | 1603 | sgp->len -= (u32) xcnt; /* new len to be xfer */ |
1829 | pCurScb->SCB_BufPtr += ((U32) (i - pCurScb->SCB_SGIdx) << 3); | 1604 | scb->bufptr += ((u32) (i - scb->sgidx) << 3); |
1830 | /* new SG table ptr */ | 1605 | /* new SG table ptr */ |
1831 | pCurScb->SCB_SGLen = (BYTE) (pCurScb->SCB_SGMax - i); | 1606 | scb->sglen = (u8) (scb->sgmax - i); |
1832 | /* new SG table len */ | 1607 | /* new SG table len */ |
1833 | pCurScb->SCB_SGIdx = (WORD) i; | 1608 | scb->sgidx = (u16) i; |
1834 | /* for next disc and come in this loop */ | 1609 | /* for next disc and come in this loop */ |
1835 | return (4); /* Go to state 4 */ | 1610 | return 4; /* Go to state 4 */ |
1836 | } | 1611 | } |
1837 | /* else (xcnt >= 0 , i.e. this sgp already xferred */ | 1612 | /* else (xcnt >= 0 , i.e. this sgp already xferred */ |
1838 | } /* for */ | 1613 | } /* for */ |
1839 | return (6); /* Go to state 6 */ | 1614 | return 6; /* Go to state 6 */ |
1840 | } else { | 1615 | } else { |
1841 | pCurScb->SCB_BufPtr += (U32) xcnt; | 1616 | scb->bufptr += (u32) xcnt; |
1842 | } | 1617 | } |
1843 | return (4); /* Go to state 4 */ | 1618 | return 4; /* Go to state 4 */ |
1844 | } | 1619 | } |
1845 | 1620 | ||
1846 | /***************************************************************************/ | 1621 | /** |
1847 | /* state after Data phase */ | 1622 | * initio_state_6 - SCSI state machine |
1848 | int tul_state_6(HCS * pCurHcb) | 1623 | * @host: InitIO host we are controlling |
1624 | * | ||
1625 | * State after Data phase | ||
1626 | */ | ||
1627 | |||
1628 | static int initio_state_6(struct initio_host * host) | ||
1849 | { | 1629 | { |
1850 | SCB *pCurScb = pCurHcb->HCS_ActScb; | 1630 | struct scsi_ctrl_blk *scb = host->active; |
1851 | 1631 | ||
1852 | #if DEBUG_STATE | 1632 | #if DEBUG_STATE |
1853 | printk("-s6-"); | 1633 | printk("-s6-"); |
1854 | #endif | 1634 | #endif |
1855 | for (;;) { | 1635 | for (;;) { |
1856 | switch (pCurHcb->HCS_Phase) { | 1636 | switch (host->phase) { |
1857 | case STATUS_IN: /* Status phase */ | 1637 | case STATUS_IN: /* Status phase */ |
1858 | if ((tul_status_msg(pCurHcb)) == -1) | 1638 | if ((initio_status_msg(host)) == -1) |
1859 | return (-1); | 1639 | return -1; |
1860 | break; | 1640 | break; |
1861 | 1641 | ||
1862 | case MSG_IN: /* Message in phase */ | 1642 | case MSG_IN: /* Message in phase */ |
1863 | pCurScb->SCB_NxtStat = 6; | 1643 | scb->next_state = 6; |
1864 | if ((tul_msgin(pCurHcb)) == -1) | 1644 | if ((initio_msgin(host)) == -1) |
1865 | return (-1); | 1645 | return -1; |
1866 | break; | 1646 | break; |
1867 | 1647 | ||
1868 | case MSG_OUT: /* Message out phase */ | 1648 | case MSG_OUT: /* Message out phase */ |
1869 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_NOP); /* msg nop */ | 1649 | outb(MSG_NOP, host->addr + TUL_SFifo); /* msg nop */ |
1870 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); | 1650 | outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); |
1871 | if (wait_tulip(pCurHcb) == -1) | 1651 | if (wait_tulip(host) == -1) |
1872 | return (-1); | 1652 | return -1; |
1873 | break; | 1653 | break; |
1874 | 1654 | ||
1875 | case DATA_IN: /* Data in phase */ | 1655 | case DATA_IN: /* Data in phase */ |
1876 | return (tul_xpad_in(pCurHcb)); | 1656 | return initio_xpad_in(host); |
1877 | 1657 | ||
1878 | case DATA_OUT: /* Data out phase */ | 1658 | case DATA_OUT: /* Data out phase */ |
1879 | return (tul_xpad_out(pCurHcb)); | 1659 | return initio_xpad_out(host); |
1880 | 1660 | ||
1881 | default: | 1661 | default: |
1882 | return (tul_bad_seq(pCurHcb)); | 1662 | return initio_bad_seq(host); |
1883 | } | 1663 | } |
1884 | } | 1664 | } |
1885 | } | 1665 | } |
1886 | 1666 | ||
1887 | /***************************************************************************/ | 1667 | /** |
1888 | int tul_state_7(HCS * pCurHcb) | 1668 | * initio_state_7 - SCSI state machine |
1669 | * @host: InitIO host we are controlling | ||
1670 | * | ||
1671 | */ | ||
1672 | |||
1673 | int initio_state_7(struct initio_host * host) | ||
1889 | { | 1674 | { |
1890 | int cnt, i; | 1675 | int cnt, i; |
1891 | 1676 | ||
@@ -1893,1139 +1678,1037 @@ int tul_state_7(HCS * pCurHcb) | |||
1893 | printk("-s7-"); | 1678 | printk("-s7-"); |
1894 | #endif | 1679 | #endif |
1895 | /* flush SCSI FIFO */ | 1680 | /* flush SCSI FIFO */ |
1896 | cnt = TUL_RD(pCurHcb->HCS_Base, TUL_SFifoCnt) & 0x1F; | 1681 | cnt = inb(host->addr + TUL_SFifoCnt) & 0x1F; |
1897 | if (cnt) { | 1682 | if (cnt) { |
1898 | for (i = 0; i < cnt; i++) | 1683 | for (i = 0; i < cnt; i++) |
1899 | TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); | 1684 | inb(host->addr + TUL_SFifo); |
1900 | } | 1685 | } |
1901 | switch (pCurHcb->HCS_Phase) { | 1686 | switch (host->phase) { |
1902 | case DATA_IN: /* Data in phase */ | 1687 | case DATA_IN: /* Data in phase */ |
1903 | case DATA_OUT: /* Data out phase */ | 1688 | case DATA_OUT: /* Data out phase */ |
1904 | return (tul_bad_seq(pCurHcb)); | 1689 | return initio_bad_seq(host); |
1905 | default: | 1690 | default: |
1906 | return (6); /* Go to state 6 */ | 1691 | return 6; /* Go to state 6 */ |
1907 | } | 1692 | } |
1908 | } | 1693 | } |
1909 | 1694 | ||
1910 | /***************************************************************************/ | 1695 | /** |
1911 | int tul_xfer_data_in(HCS * pCurHcb) | 1696 | * initio_xfer_data_in - Commence data input |
1697 | * @host: InitIO host in use | ||
1698 | * | ||
1699 | * Commence a block of data transfer. The transfer itself will | ||
1700 | * be managed by the controller and we will get a completion (or | ||
1701 | * failure) interrupt. | ||
1702 | */ | ||
1703 | static int initio_xfer_data_in(struct initio_host * host) | ||
1912 | { | 1704 | { |
1913 | SCB *pCurScb = pCurHcb->HCS_ActScb; | 1705 | struct scsi_ctrl_blk *scb = host->active; |
1914 | 1706 | ||
1915 | if ((pCurScb->SCB_Flags & SCF_DIR) == SCF_DOUT) { | 1707 | if ((scb->flags & SCF_DIR) == SCF_DOUT) |
1916 | return (6); /* wrong direction */ | 1708 | return 6; /* wrong direction */ |
1917 | } | ||
1918 | TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, pCurScb->SCB_BufLen); | ||
1919 | 1709 | ||
1920 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_DMA_IN); /* 7/25/95 */ | 1710 | outl(scb->buflen, host->addr + TUL_SCnt0); |
1711 | outb(TSC_XF_DMA_IN, host->addr + TUL_SCmd); /* 7/25/95 */ | ||
1921 | 1712 | ||
1922 | if (pCurScb->SCB_Flags & SCF_SG) { /* S/G xfer */ | 1713 | if (scb->flags & SCF_SG) { /* S/G xfer */ |
1923 | TUL_WRLONG(pCurHcb->HCS_Base + TUL_XCntH, ((ULONG) pCurScb->SCB_SGLen) << 3); | 1714 | outl(((u32) scb->sglen) << 3, host->addr + TUL_XCntH); |
1924 | TUL_WRLONG(pCurHcb->HCS_Base + TUL_XAddH, pCurScb->SCB_BufPtr); | 1715 | outl(scb->bufptr, host->addr + TUL_XAddH); |
1925 | TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_SG_IN); | 1716 | outb(TAX_SG_IN, host->addr + TUL_XCmd); |
1926 | } else { | 1717 | } else { |
1927 | TUL_WRLONG(pCurHcb->HCS_Base + TUL_XCntH, pCurScb->SCB_BufLen); | 1718 | outl(scb->buflen, host->addr + TUL_XCntH); |
1928 | TUL_WRLONG(pCurHcb->HCS_Base + TUL_XAddH, pCurScb->SCB_BufPtr); | 1719 | outl(scb->bufptr, host->addr + TUL_XAddH); |
1929 | TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_X_IN); | 1720 | outb(TAX_X_IN, host->addr + TUL_XCmd); |
1930 | } | 1721 | } |
1931 | pCurScb->SCB_NxtStat = 0x5; | 1722 | scb->next_state = 0x5; |
1932 | return (0); /* return to OS, wait xfer done , let jas_isr come in */ | 1723 | return 0; /* return to OS, wait xfer done , let jas_isr come in */ |
1933 | } | 1724 | } |
1934 | 1725 | ||
1726 | /** | ||
1727 | * initio_xfer_data_out - Commence data output | ||
1728 | * @host: InitIO host in use | ||
1729 | * | ||
1730 | * Commence a block of data transfer. The transfer itself will | ||
1731 | * be managed by the controller and we will get a completion (or | ||
1732 | * failure) interrupt. | ||
1733 | */ | ||
1935 | 1734 | ||
1936 | /***************************************************************************/ | 1735 | static int initio_xfer_data_out(struct initio_host * host) |
1937 | int tul_xfer_data_out(HCS * pCurHcb) | ||
1938 | { | 1736 | { |
1939 | SCB *pCurScb = pCurHcb->HCS_ActScb; | 1737 | struct scsi_ctrl_blk *scb = host->active; |
1940 | 1738 | ||
1941 | if ((pCurScb->SCB_Flags & SCF_DIR) == SCF_DIN) { | 1739 | if ((scb->flags & SCF_DIR) == SCF_DIN) |
1942 | return (6); /* wrong direction */ | 1740 | return 6; /* wrong direction */ |
1943 | } | ||
1944 | TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, pCurScb->SCB_BufLen); | ||
1945 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_DMA_OUT); | ||
1946 | 1741 | ||
1947 | if (pCurScb->SCB_Flags & SCF_SG) { /* S/G xfer */ | 1742 | outl(scb->buflen, host->addr + TUL_SCnt0); |
1948 | TUL_WRLONG(pCurHcb->HCS_Base + TUL_XCntH, ((ULONG) pCurScb->SCB_SGLen) << 3); | 1743 | outb(TSC_XF_DMA_OUT, host->addr + TUL_SCmd); |
1949 | TUL_WRLONG(pCurHcb->HCS_Base + TUL_XAddH, pCurScb->SCB_BufPtr); | 1744 | |
1950 | TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_SG_OUT); | 1745 | if (scb->flags & SCF_SG) { /* S/G xfer */ |
1746 | outl(((u32) scb->sglen) << 3, host->addr + TUL_XCntH); | ||
1747 | outl(scb->bufptr, host->addr + TUL_XAddH); | ||
1748 | outb(TAX_SG_OUT, host->addr + TUL_XCmd); | ||
1951 | } else { | 1749 | } else { |
1952 | TUL_WRLONG(pCurHcb->HCS_Base + TUL_XCntH, pCurScb->SCB_BufLen); | 1750 | outl(scb->buflen, host->addr + TUL_XCntH); |
1953 | TUL_WRLONG(pCurHcb->HCS_Base + TUL_XAddH, pCurScb->SCB_BufPtr); | 1751 | outl(scb->bufptr, host->addr + TUL_XAddH); |
1954 | TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_X_OUT); | 1752 | outb(TAX_X_OUT, host->addr + TUL_XCmd); |
1955 | } | 1753 | } |
1956 | 1754 | ||
1957 | pCurScb->SCB_NxtStat = 0x5; | 1755 | scb->next_state = 0x5; |
1958 | return (0); /* return to OS, wait xfer done , let jas_isr come in */ | 1756 | return 0; /* return to OS, wait xfer done , let jas_isr come in */ |
1959 | } | 1757 | } |
1960 | 1758 | ||
1961 | 1759 | int initio_xpad_in(struct initio_host * host) | |
1962 | /***************************************************************************/ | ||
1963 | int tul_xpad_in(HCS * pCurHcb) | ||
1964 | { | 1760 | { |
1965 | SCB *pCurScb = pCurHcb->HCS_ActScb; | 1761 | struct scsi_ctrl_blk *scb = host->active; |
1966 | TCS *pCurTcb = pCurHcb->HCS_ActTcs; | 1762 | struct target_control *active_tc = host->active_tc; |
1967 | 1763 | ||
1968 | if ((pCurScb->SCB_Flags & SCF_DIR) != SCF_NO_DCHK) { | 1764 | if ((scb->flags & SCF_DIR) != SCF_NO_DCHK) |
1969 | pCurScb->SCB_HaStat = HOST_DO_DU; /* over run */ | 1765 | scb->hastat = HOST_DO_DU; /* over run */ |
1970 | } | ||
1971 | for (;;) { | 1766 | for (;;) { |
1972 | if (pCurTcb->TCS_JS_Period & TSC_WIDE_SCSI) | 1767 | if (active_tc->js_period & TSC_WIDE_SCSI) |
1973 | TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 2); | 1768 | outl(2, host->addr + TUL_SCnt0); |
1974 | else | 1769 | else |
1975 | TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1); | 1770 | outl(1, host->addr + TUL_SCnt0); |
1976 | 1771 | ||
1977 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN); | 1772 | outb(TSC_XF_FIFO_IN, host->addr + TUL_SCmd); |
1978 | if ((wait_tulip(pCurHcb)) == -1) { | 1773 | if (wait_tulip(host) == -1) |
1979 | return (-1); | 1774 | return -1; |
1775 | if (host->phase != DATA_IN) { | ||
1776 | outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); | ||
1777 | return 6; | ||
1980 | } | 1778 | } |
1981 | if (pCurHcb->HCS_Phase != DATA_IN) { | 1779 | inb(host->addr + TUL_SFifo); |
1982 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); | ||
1983 | return (6); | ||
1984 | } | ||
1985 | TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); | ||
1986 | } | 1780 | } |
1987 | } | 1781 | } |
1988 | 1782 | ||
1989 | int tul_xpad_out(HCS * pCurHcb) | 1783 | int initio_xpad_out(struct initio_host * host) |
1990 | { | 1784 | { |
1991 | SCB *pCurScb = pCurHcb->HCS_ActScb; | 1785 | struct scsi_ctrl_blk *scb = host->active; |
1992 | TCS *pCurTcb = pCurHcb->HCS_ActTcs; | 1786 | struct target_control *active_tc = host->active_tc; |
1993 | 1787 | ||
1994 | if ((pCurScb->SCB_Flags & SCF_DIR) != SCF_NO_DCHK) { | 1788 | if ((scb->flags & SCF_DIR) != SCF_NO_DCHK) |
1995 | pCurScb->SCB_HaStat = HOST_DO_DU; /* over run */ | 1789 | scb->hastat = HOST_DO_DU; /* over run */ |
1996 | } | ||
1997 | for (;;) { | 1790 | for (;;) { |
1998 | if (pCurTcb->TCS_JS_Period & TSC_WIDE_SCSI) | 1791 | if (active_tc->js_period & TSC_WIDE_SCSI) |
1999 | TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 2); | 1792 | outl(2, host->addr + TUL_SCnt0); |
2000 | else | 1793 | else |
2001 | TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1); | 1794 | outl(1, host->addr + TUL_SCnt0); |
2002 | 1795 | ||
2003 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 0); | 1796 | outb(0, host->addr + TUL_SFifo); |
2004 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); | 1797 | outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); |
2005 | if ((wait_tulip(pCurHcb)) == -1) { | 1798 | if ((wait_tulip(host)) == -1) |
2006 | return (-1); | 1799 | return -1; |
2007 | } | 1800 | if (host->phase != DATA_OUT) { /* Disable wide CPU to allow read 16 bits */ |
2008 | if (pCurHcb->HCS_Phase != DATA_OUT) { /* Disable wide CPU to allow read 16 bits */ | 1801 | outb(TSC_HW_RESELECT, host->addr + TUL_SCtrl1); |
2009 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT); | 1802 | outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); |
2010 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); | 1803 | return 6; |
2011 | return (6); | ||
2012 | } | 1804 | } |
2013 | } | 1805 | } |
2014 | } | 1806 | } |
2015 | 1807 | ||
2016 | 1808 | int initio_status_msg(struct initio_host * host) | |
2017 | /***************************************************************************/ | ||
2018 | int tul_status_msg(HCS * pCurHcb) | ||
2019 | { /* status & MSG_IN */ | 1809 | { /* status & MSG_IN */ |
2020 | SCB *pCurScb = pCurHcb->HCS_ActScb; | 1810 | struct scsi_ctrl_blk *scb = host->active; |
2021 | BYTE msg; | 1811 | u8 msg; |
1812 | |||
1813 | outb(TSC_CMD_COMP, host->addr + TUL_SCmd); | ||
1814 | if (wait_tulip(host) == -1) | ||
1815 | return -1; | ||
2022 | 1816 | ||
2023 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_CMD_COMP); | ||
2024 | if ((wait_tulip(pCurHcb)) == -1) { | ||
2025 | return (-1); | ||
2026 | } | ||
2027 | /* get status */ | 1817 | /* get status */ |
2028 | pCurScb->SCB_TaStat = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); | 1818 | scb->tastat = inb(host->addr + TUL_SFifo); |
2029 | 1819 | ||
2030 | if (pCurHcb->HCS_Phase == MSG_OUT) { | 1820 | if (host->phase == MSG_OUT) { |
2031 | if (pCurHcb->HCS_JSStatus0 & TSS_PAR_ERROR) { | 1821 | if (host->jsstatus0 & TSS_PAR_ERROR) |
2032 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_PARITY); | 1822 | outb(MSG_PARITY, host->addr + TUL_SFifo); |
2033 | } else { | 1823 | else |
2034 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_NOP); | 1824 | outb(MSG_NOP, host->addr + TUL_SFifo); |
2035 | } | 1825 | outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); |
2036 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); | 1826 | return wait_tulip(host); |
2037 | return (wait_tulip(pCurHcb)); | 1827 | } |
2038 | } | 1828 | if (host->phase == MSG_IN) { |
2039 | if (pCurHcb->HCS_Phase == MSG_IN) { | 1829 | msg = inb(host->addr + TUL_SFifo); |
2040 | msg = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); | 1830 | if (host->jsstatus0 & TSS_PAR_ERROR) { /* Parity error */ |
2041 | if (pCurHcb->HCS_JSStatus0 & TSS_PAR_ERROR) { /* Parity error */ | 1831 | if ((initio_msgin_accept(host)) == -1) |
2042 | if ((tul_msgin_accept(pCurHcb)) == -1) | 1832 | return -1; |
2043 | return (-1); | 1833 | if (host->phase != MSG_OUT) |
2044 | if (pCurHcb->HCS_Phase != MSG_OUT) | 1834 | return initio_bad_seq(host); |
2045 | return (tul_bad_seq(pCurHcb)); | 1835 | outb(MSG_PARITY, host->addr + TUL_SFifo); |
2046 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_PARITY); | 1836 | outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); |
2047 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); | 1837 | return wait_tulip(host); |
2048 | return (wait_tulip(pCurHcb)); | ||
2049 | } | 1838 | } |
2050 | if (msg == 0) { /* Command complete */ | 1839 | if (msg == 0) { /* Command complete */ |
2051 | 1840 | ||
2052 | if ((pCurScb->SCB_TaStat & 0x18) == 0x10) { /* No link support */ | 1841 | if ((scb->tastat & 0x18) == 0x10) /* No link support */ |
2053 | return (tul_bad_seq(pCurHcb)); | 1842 | return initio_bad_seq(host); |
2054 | } | 1843 | outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); |
2055 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); | 1844 | outb(TSC_MSG_ACCEPT, host->addr + TUL_SCmd); |
2056 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_MSG_ACCEPT); | 1845 | return initio_wait_done_disc(host); |
2057 | return tul_wait_done_disc(pCurHcb); | ||
2058 | 1846 | ||
2059 | } | 1847 | } |
2060 | if ((msg == MSG_LINK_COMP) || (msg == MSG_LINK_FLAG)) { | 1848 | if (msg == MSG_LINK_COMP || msg == MSG_LINK_FLAG) { |
2061 | if ((pCurScb->SCB_TaStat & 0x18) == 0x10) | 1849 | if ((scb->tastat & 0x18) == 0x10) |
2062 | return (tul_msgin_accept(pCurHcb)); | 1850 | return initio_msgin_accept(host); |
2063 | } | 1851 | } |
2064 | } | 1852 | } |
2065 | return (tul_bad_seq(pCurHcb)); | 1853 | return initio_bad_seq(host); |
2066 | } | 1854 | } |
2067 | 1855 | ||
2068 | 1856 | ||
2069 | /***************************************************************************/ | ||
2070 | /* scsi bus free */ | 1857 | /* scsi bus free */ |
2071 | int int_tul_busfree(HCS * pCurHcb) | 1858 | int int_initio_busfree(struct initio_host * host) |
2072 | { | 1859 | { |
2073 | SCB *pCurScb = pCurHcb->HCS_ActScb; | 1860 | struct scsi_ctrl_blk *scb = host->active; |
2074 | 1861 | ||
2075 | if (pCurScb != NULL) { | 1862 | if (scb != NULL) { |
2076 | if (pCurScb->SCB_Status & SCB_SELECT) { /* selection timeout */ | 1863 | if (scb->status & SCB_SELECT) { /* selection timeout */ |
2077 | tul_unlink_pend_scb(pCurHcb, pCurScb); | 1864 | initio_unlink_pend_scb(host, scb); |
2078 | pCurScb->SCB_HaStat = HOST_SEL_TOUT; | 1865 | scb->hastat = HOST_SEL_TOUT; |
2079 | tul_append_done_scb(pCurHcb, pCurScb); | 1866 | initio_append_done_scb(host, scb); |
2080 | } else { /* Unexpected bus free */ | 1867 | } else { /* Unexpected bus free */ |
2081 | tul_unlink_busy_scb(pCurHcb, pCurScb); | 1868 | initio_unlink_busy_scb(host, scb); |
2082 | pCurScb->SCB_HaStat = HOST_BUS_FREE; | 1869 | scb->hastat = HOST_BUS_FREE; |
2083 | tul_append_done_scb(pCurHcb, pCurScb); | 1870 | initio_append_done_scb(host, scb); |
2084 | } | 1871 | } |
2085 | pCurHcb->HCS_ActScb = NULL; | 1872 | host->active = NULL; |
2086 | pCurHcb->HCS_ActTcs = NULL; | 1873 | host->active_tc = NULL; |
2087 | } | 1874 | } |
2088 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); /* Flush SCSI FIFO */ | 1875 | outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); /* Flush SCSI FIFO */ |
2089 | TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, TSC_INITDEFAULT); | 1876 | outb(TSC_INITDEFAULT, host->addr + TUL_SConfig); |
2090 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT); /* Enable HW reselect */ | 1877 | outb(TSC_HW_RESELECT, host->addr + TUL_SCtrl1); /* Enable HW reselect */ |
2091 | return (-1); | 1878 | return -1; |
2092 | } | 1879 | } |
2093 | 1880 | ||
2094 | 1881 | ||
2095 | /***************************************************************************/ | 1882 | /** |
2096 | /* scsi bus reset */ | 1883 | * int_initio_scsi_rst - SCSI reset occurred |
2097 | static int int_tul_scsi_rst(HCS * pCurHcb) | 1884 | * @host: Host seeing the reset |
1885 | * | ||
1886 | * A SCSI bus reset has occurred. Clean up any pending transfer | ||
1887 | * the hardware is doing by DMA and then abort all active and | ||
1888 | * disconnected commands. The mid layer should sort the rest out | ||
1889 | * for us | ||
1890 | */ | ||
1891 | |||
1892 | static int int_initio_scsi_rst(struct initio_host * host) | ||
2098 | { | 1893 | { |
2099 | SCB *pCurScb; | 1894 | struct scsi_ctrl_blk *scb; |
2100 | int i; | 1895 | int i; |
2101 | 1896 | ||
2102 | /* if DMA xfer is pending, abort DMA xfer */ | 1897 | /* if DMA xfer is pending, abort DMA xfer */ |
2103 | if (TUL_RD(pCurHcb->HCS_Base, TUL_XStatus) & 0x01) { | 1898 | if (inb(host->addr + TUL_XStatus) & 0x01) { |
2104 | TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_X_ABT | TAX_X_CLR_FIFO); | 1899 | outb(TAX_X_ABT | TAX_X_CLR_FIFO, host->addr + TUL_XCmd); |
2105 | /* wait Abort DMA xfer done */ | 1900 | /* wait Abort DMA xfer done */ |
2106 | while ((TUL_RD(pCurHcb->HCS_Base, TUL_Int) & 0x04) == 0); | 1901 | while ((inb(host->addr + TUL_Int) & 0x04) == 0) |
2107 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); | 1902 | cpu_relax(); |
1903 | outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); | ||
2108 | } | 1904 | } |
2109 | /* Abort all active & disconnected scb */ | 1905 | /* Abort all active & disconnected scb */ |
2110 | while ((pCurScb = tul_pop_busy_scb(pCurHcb)) != NULL) { | 1906 | while ((scb = initio_pop_busy_scb(host)) != NULL) { |
2111 | pCurScb->SCB_HaStat = HOST_BAD_PHAS; | 1907 | scb->hastat = HOST_BAD_PHAS; |
2112 | tul_append_done_scb(pCurHcb, pCurScb); | 1908 | initio_append_done_scb(host, scb); |
2113 | } | 1909 | } |
2114 | pCurHcb->HCS_ActScb = NULL; | 1910 | host->active = NULL; |
2115 | pCurHcb->HCS_ActTcs = NULL; | 1911 | host->active_tc = NULL; |
2116 | 1912 | ||
2117 | /* clr sync nego. done flag */ | 1913 | /* clr sync nego. done flag */ |
2118 | for (i = 0; i < pCurHcb->HCS_MaxTar; i++) { | 1914 | for (i = 0; i < host->max_tar; i++) |
2119 | pCurHcb->HCS_Tcs[i].TCS_Flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE); | 1915 | host->targets[i].flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE); |
2120 | } | 1916 | return -1; |
2121 | return (-1); | ||
2122 | } | 1917 | } |
2123 | 1918 | ||
1919 | /** | ||
1920 | * int_initio_scsi_resel - Reselection occured | ||
1921 | * @host: InitIO host adapter | ||
1922 | * | ||
1923 | * A SCSI reselection event has been signalled and the interrupt | ||
1924 | * is now being processed. Work out which command block needs attention | ||
1925 | * and continue processing that command. | ||
1926 | */ | ||
2124 | 1927 | ||
2125 | /***************************************************************************/ | 1928 | int int_initio_resel(struct initio_host * host) |
2126 | /* scsi reselection */ | ||
2127 | int int_tul_resel(HCS * pCurHcb) | ||
2128 | { | 1929 | { |
2129 | SCB *pCurScb; | 1930 | struct scsi_ctrl_blk *scb; |
2130 | TCS *pCurTcb; | 1931 | struct target_control *active_tc; |
2131 | BYTE tag, msg = 0; | 1932 | u8 tag, msg = 0; |
2132 | BYTE tar, lun; | 1933 | u8 tar, lun; |
2133 | 1934 | ||
2134 | if ((pCurScb = pCurHcb->HCS_ActScb) != NULL) { | 1935 | if ((scb = host->active) != NULL) { |
2135 | if (pCurScb->SCB_Status & SCB_SELECT) { /* if waiting for selection complete */ | 1936 | /* FIXME: Why check and not just clear ? */ |
2136 | pCurScb->SCB_Status &= ~SCB_SELECT; | 1937 | if (scb->status & SCB_SELECT) /* if waiting for selection complete */ |
2137 | } | 1938 | scb->status &= ~SCB_SELECT; |
2138 | pCurHcb->HCS_ActScb = NULL; | 1939 | host->active = NULL; |
2139 | } | 1940 | } |
2140 | /* --------- get target id---------------------- */ | 1941 | /* --------- get target id---------------------- */ |
2141 | tar = TUL_RD(pCurHcb->HCS_Base, TUL_SBusId); | 1942 | tar = inb(host->addr + TUL_SBusId); |
2142 | /* ------ get LUN from Identify message----------- */ | 1943 | /* ------ get LUN from Identify message----------- */ |
2143 | lun = TUL_RD(pCurHcb->HCS_Base, TUL_SIdent) & 0x0F; | 1944 | lun = inb(host->addr + TUL_SIdent) & 0x0F; |
2144 | /* 07/22/98 from 0x1F -> 0x0F */ | 1945 | /* 07/22/98 from 0x1F -> 0x0F */ |
2145 | pCurTcb = &pCurHcb->HCS_Tcs[tar]; | 1946 | active_tc = &host->targets[tar]; |
2146 | pCurHcb->HCS_ActTcs = pCurTcb; | 1947 | host->active_tc = active_tc; |
2147 | TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurTcb->TCS_SConfig0); | 1948 | outb(active_tc->sconfig0, host->addr + TUL_SConfig); |
2148 | TUL_WR(pCurHcb->HCS_Base + TUL_SPeriod, pCurTcb->TCS_JS_Period); | 1949 | outb(active_tc->js_period, host->addr + TUL_SPeriod); |
2149 | |||
2150 | 1950 | ||
2151 | /* ------------- tag queueing ? ------------------- */ | 1951 | /* ------------- tag queueing ? ------------------- */ |
2152 | if (pCurTcb->TCS_DrvFlags & TCF_DRV_EN_TAG) { | 1952 | if (active_tc->drv_flags & TCF_DRV_EN_TAG) { |
2153 | if ((tul_msgin_accept(pCurHcb)) == -1) | 1953 | if ((initio_msgin_accept(host)) == -1) |
2154 | return (-1); | 1954 | return -1; |
2155 | if (pCurHcb->HCS_Phase != MSG_IN) | 1955 | if (host->phase != MSG_IN) |
2156 | goto no_tag; | 1956 | goto no_tag; |
2157 | TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1); | 1957 | outl(1, host->addr + TUL_SCnt0); |
2158 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN); | 1958 | outb(TSC_XF_FIFO_IN, host->addr + TUL_SCmd); |
2159 | if ((wait_tulip(pCurHcb)) == -1) | 1959 | if (wait_tulip(host) == -1) |
2160 | return (-1); | 1960 | return -1; |
2161 | msg = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); /* Read Tag Message */ | 1961 | msg = inb(host->addr + TUL_SFifo); /* Read Tag Message */ |
2162 | 1962 | ||
2163 | if ((msg < MSG_STAG) || (msg > MSG_OTAG)) /* Is simple Tag */ | 1963 | if (msg < MSG_STAG || msg > MSG_OTAG) /* Is simple Tag */ |
2164 | goto no_tag; | 1964 | goto no_tag; |
2165 | 1965 | ||
2166 | if ((tul_msgin_accept(pCurHcb)) == -1) | 1966 | if (initio_msgin_accept(host) == -1) |
2167 | return (-1); | 1967 | return -1; |
2168 | 1968 | ||
2169 | if (pCurHcb->HCS_Phase != MSG_IN) | 1969 | if (host->phase != MSG_IN) |
2170 | goto no_tag; | 1970 | goto no_tag; |
2171 | 1971 | ||
2172 | TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1); | 1972 | outl(1, host->addr + TUL_SCnt0); |
2173 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN); | 1973 | outb(TSC_XF_FIFO_IN, host->addr + TUL_SCmd); |
2174 | if ((wait_tulip(pCurHcb)) == -1) | 1974 | if (wait_tulip(host) == -1) |
2175 | return (-1); | 1975 | return -1; |
2176 | tag = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); /* Read Tag ID */ | 1976 | tag = inb(host->addr + TUL_SFifo); /* Read Tag ID */ |
2177 | pCurScb = pCurHcb->HCS_Scb + tag; | 1977 | scb = host->scb + tag; |
2178 | if ((pCurScb->SCB_Target != tar) || (pCurScb->SCB_Lun != lun)) { | 1978 | if (scb->target != tar || scb->lun != lun) { |
2179 | return tul_msgout_abort_tag(pCurHcb); | 1979 | return initio_msgout_abort_tag(host); |
2180 | } | 1980 | } |
2181 | if (pCurScb->SCB_Status != SCB_BUSY) { /* 03/24/95 */ | 1981 | if (scb->status != SCB_BUSY) { /* 03/24/95 */ |
2182 | return tul_msgout_abort_tag(pCurHcb); | 1982 | return initio_msgout_abort_tag(host); |
2183 | } | 1983 | } |
2184 | pCurHcb->HCS_ActScb = pCurScb; | 1984 | host->active = scb; |
2185 | if ((tul_msgin_accept(pCurHcb)) == -1) | 1985 | if ((initio_msgin_accept(host)) == -1) |
2186 | return (-1); | 1986 | return -1; |
2187 | } else { /* No tag */ | 1987 | } else { /* No tag */ |
2188 | no_tag: | 1988 | no_tag: |
2189 | if ((pCurScb = tul_find_busy_scb(pCurHcb, tar | (lun << 8))) == NULL) { | 1989 | if ((scb = initio_find_busy_scb(host, tar | (lun << 8))) == NULL) { |
2190 | return tul_msgout_abort_targ(pCurHcb); | 1990 | return initio_msgout_abort_targ(host); |
2191 | } | 1991 | } |
2192 | pCurHcb->HCS_ActScb = pCurScb; | 1992 | host->active = scb; |
2193 | if (!(pCurTcb->TCS_DrvFlags & TCF_DRV_EN_TAG)) { | 1993 | if (!(active_tc->drv_flags & TCF_DRV_EN_TAG)) { |
2194 | if ((tul_msgin_accept(pCurHcb)) == -1) | 1994 | if ((initio_msgin_accept(host)) == -1) |
2195 | return (-1); | 1995 | return -1; |
2196 | } | 1996 | } |
2197 | } | 1997 | } |
2198 | return 0; | 1998 | return 0; |
2199 | } | 1999 | } |
2200 | 2000 | ||
2001 | /** | ||
2002 | * int_initio_bad_seq - out of phase | ||
2003 | * @host: InitIO host flagging event | ||
2004 | * | ||
2005 | * We have ended up out of phase somehow. Reset the host controller | ||
2006 | * and throw all our toys out of the pram. Let the midlayer clean up | ||
2007 | */ | ||
2201 | 2008 | ||
2202 | /***************************************************************************/ | 2009 | static int int_initio_bad_seq(struct initio_host * host) |
2203 | static int int_tul_bad_seq(HCS * pCurHcb) | ||
2204 | { /* target wrong phase */ | 2010 | { /* target wrong phase */ |
2205 | SCB *pCurScb; | 2011 | struct scsi_ctrl_blk *scb; |
2206 | int i; | 2012 | int i; |
2207 | 2013 | ||
2208 | tul_reset_scsi(pCurHcb, 10); | 2014 | initio_reset_scsi(host, 10); |
2209 | 2015 | ||
2210 | while ((pCurScb = tul_pop_busy_scb(pCurHcb)) != NULL) { | 2016 | while ((scb = initio_pop_busy_scb(host)) != NULL) { |
2211 | pCurScb->SCB_HaStat = HOST_BAD_PHAS; | 2017 | scb->hastat = HOST_BAD_PHAS; |
2212 | tul_append_done_scb(pCurHcb, pCurScb); | 2018 | initio_append_done_scb(host, scb); |
2213 | } | ||
2214 | for (i = 0; i < pCurHcb->HCS_MaxTar; i++) { | ||
2215 | pCurHcb->HCS_Tcs[i].TCS_Flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE); | ||
2216 | } | 2019 | } |
2217 | return (-1); | 2020 | for (i = 0; i < host->max_tar; i++) |
2021 | host->targets[i].flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE); | ||
2022 | return -1; | ||
2218 | } | 2023 | } |
2219 | 2024 | ||
2220 | 2025 | ||
2221 | /***************************************************************************/ | 2026 | /** |
2222 | int tul_msgout_abort_targ(HCS * pCurHcb) | 2027 | * initio_msgout_abort_targ - abort a tag |
2028 | * @host: InitIO host | ||
2029 | * | ||
2030 | * Abort when the target/lun does not match or when our SCB is not | ||
2031 | * busy. Used by untagged commands. | ||
2032 | */ | ||
2033 | |||
2034 | static int initio_msgout_abort_targ(struct initio_host * host) | ||
2223 | { | 2035 | { |
2224 | 2036 | ||
2225 | TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN)); | 2037 | outb(((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN), host->addr + TUL_SSignal); |
2226 | if (tul_msgin_accept(pCurHcb) == -1) | 2038 | if (initio_msgin_accept(host) == -1) |
2227 | return (-1); | 2039 | return -1; |
2228 | if (pCurHcb->HCS_Phase != MSG_OUT) | 2040 | if (host->phase != MSG_OUT) |
2229 | return (tul_bad_seq(pCurHcb)); | 2041 | return initio_bad_seq(host); |
2230 | 2042 | ||
2231 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_ABORT); | 2043 | outb(MSG_ABORT, host->addr + TUL_SFifo); |
2232 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); | 2044 | outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); |
2233 | 2045 | ||
2234 | return tul_wait_disc(pCurHcb); | 2046 | return initio_wait_disc(host); |
2235 | } | 2047 | } |
2236 | 2048 | ||
2237 | /***************************************************************************/ | 2049 | /** |
2238 | int tul_msgout_abort_tag(HCS * pCurHcb) | 2050 | * initio_msgout_abort_tag - abort a tag |
2051 | * @host: InitIO host | ||
2052 | * | ||
2053 | * Abort when the target/lun does not match or when our SCB is not | ||
2054 | * busy. Used for tagged commands. | ||
2055 | */ | ||
2056 | |||
2057 | static int initio_msgout_abort_tag(struct initio_host * host) | ||
2239 | { | 2058 | { |
2240 | 2059 | ||
2241 | TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN)); | 2060 | outb(((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN), host->addr + TUL_SSignal); |
2242 | if (tul_msgin_accept(pCurHcb) == -1) | 2061 | if (initio_msgin_accept(host) == -1) |
2243 | return (-1); | 2062 | return -1; |
2244 | if (pCurHcb->HCS_Phase != MSG_OUT) | 2063 | if (host->phase != MSG_OUT) |
2245 | return (tul_bad_seq(pCurHcb)); | 2064 | return initio_bad_seq(host); |
2246 | 2065 | ||
2247 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_ABORT_TAG); | 2066 | outb(MSG_ABORT_TAG, host->addr + TUL_SFifo); |
2248 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); | 2067 | outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); |
2249 | 2068 | ||
2250 | return tul_wait_disc(pCurHcb); | 2069 | return initio_wait_disc(host); |
2251 | 2070 | ||
2252 | } | 2071 | } |
2253 | 2072 | ||
2254 | /***************************************************************************/ | 2073 | /** |
2255 | int tul_msgin(HCS * pCurHcb) | 2074 | * initio_msgin - Message in |
2075 | * @host: InitIO Host | ||
2076 | * | ||
2077 | * Process incoming message | ||
2078 | */ | ||
2079 | static int initio_msgin(struct initio_host * host) | ||
2256 | { | 2080 | { |
2257 | TCS *pCurTcb; | 2081 | struct target_control *active_tc; |
2258 | 2082 | ||
2259 | for (;;) { | 2083 | for (;;) { |
2084 | outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); | ||
2260 | 2085 | ||
2261 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); | 2086 | outl(1, host->addr + TUL_SCnt0); |
2262 | 2087 | outb(TSC_XF_FIFO_IN, host->addr + TUL_SCmd); | |
2263 | TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1); | 2088 | if (wait_tulip(host) == -1) |
2264 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN); | 2089 | return -1; |
2265 | if ((wait_tulip(pCurHcb)) == -1) | ||
2266 | return (-1); | ||
2267 | 2090 | ||
2268 | switch (TUL_RD(pCurHcb->HCS_Base, TUL_SFifo)) { | 2091 | switch (inb(host->addr + TUL_SFifo)) { |
2269 | case MSG_DISC: /* Disconnect msg */ | 2092 | case MSG_DISC: /* Disconnect msg */ |
2270 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_MSG_ACCEPT); | 2093 | outb(TSC_MSG_ACCEPT, host->addr + TUL_SCmd); |
2271 | 2094 | return initio_wait_disc(host); | |
2272 | return tul_wait_disc(pCurHcb); | ||
2273 | |||
2274 | case MSG_SDP: | 2095 | case MSG_SDP: |
2275 | case MSG_RESTORE: | 2096 | case MSG_RESTORE: |
2276 | case MSG_NOP: | 2097 | case MSG_NOP: |
2277 | tul_msgin_accept(pCurHcb); | 2098 | initio_msgin_accept(host); |
2278 | break; | 2099 | break; |
2279 | |||
2280 | case MSG_REJ: /* Clear ATN first */ | 2100 | case MSG_REJ: /* Clear ATN first */ |
2281 | TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, | 2101 | outb((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)), |
2282 | (TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7))); | 2102 | host->addr + TUL_SSignal); |
2283 | pCurTcb = pCurHcb->HCS_ActTcs; | 2103 | active_tc = host->active_tc; |
2284 | if ((pCurTcb->TCS_Flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) { /* do sync nego */ | 2104 | if ((active_tc->flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) /* do sync nego */ |
2285 | TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN)); | 2105 | outb(((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN), |
2286 | } | 2106 | host->addr + TUL_SSignal); |
2287 | tul_msgin_accept(pCurHcb); | 2107 | initio_msgin_accept(host); |
2288 | break; | 2108 | break; |
2289 | |||
2290 | case MSG_EXTEND: /* extended msg */ | 2109 | case MSG_EXTEND: /* extended msg */ |
2291 | tul_msgin_extend(pCurHcb); | 2110 | initio_msgin_extend(host); |
2292 | break; | 2111 | break; |
2293 | |||
2294 | case MSG_IGNOREWIDE: | 2112 | case MSG_IGNOREWIDE: |
2295 | tul_msgin_accept(pCurHcb); | 2113 | initio_msgin_accept(host); |
2296 | break; | 2114 | break; |
2297 | |||
2298 | /* get */ | ||
2299 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN); | ||
2300 | if (wait_tulip(pCurHcb) == -1) | ||
2301 | return -1; | ||
2302 | |||
2303 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 0); /* put pad */ | ||
2304 | TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); /* get IGNORE field */ | ||
2305 | TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); /* get pad */ | ||
2306 | |||
2307 | tul_msgin_accept(pCurHcb); | ||
2308 | break; | ||
2309 | |||
2310 | case MSG_COMP: | 2115 | case MSG_COMP: |
2311 | { | 2116 | outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); |
2312 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); | 2117 | outb(TSC_MSG_ACCEPT, host->addr + TUL_SCmd); |
2313 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_MSG_ACCEPT); | 2118 | return initio_wait_done_disc(host); |
2314 | return tul_wait_done_disc(pCurHcb); | ||
2315 | } | ||
2316 | default: | 2119 | default: |
2317 | tul_msgout_reject(pCurHcb); | 2120 | initio_msgout_reject(host); |
2318 | break; | 2121 | break; |
2319 | } | 2122 | } |
2320 | if (pCurHcb->HCS_Phase != MSG_IN) | 2123 | if (host->phase != MSG_IN) |
2321 | return (pCurHcb->HCS_Phase); | 2124 | return host->phase; |
2322 | } | 2125 | } |
2323 | /* statement won't reach here */ | 2126 | /* statement won't reach here */ |
2324 | } | 2127 | } |
2325 | 2128 | ||
2326 | 2129 | static int initio_msgout_reject(struct initio_host * host) | |
2327 | |||
2328 | |||
2329 | /***************************************************************************/ | ||
2330 | int tul_msgout_reject(HCS * pCurHcb) | ||
2331 | { | 2130 | { |
2131 | outb(((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN), host->addr + TUL_SSignal); | ||
2332 | 2132 | ||
2333 | TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN)); | 2133 | if (initio_msgin_accept(host) == -1) |
2334 | 2134 | return -1; | |
2335 | if ((tul_msgin_accept(pCurHcb)) == -1) | ||
2336 | return (-1); | ||
2337 | 2135 | ||
2338 | if (pCurHcb->HCS_Phase == MSG_OUT) { | 2136 | if (host->phase == MSG_OUT) { |
2339 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_REJ); /* Msg reject */ | 2137 | outb(MSG_REJ, host->addr + TUL_SFifo); /* Msg reject */ |
2340 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); | 2138 | outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); |
2341 | return (wait_tulip(pCurHcb)); | 2139 | return wait_tulip(host); |
2342 | } | 2140 | } |
2343 | return (pCurHcb->HCS_Phase); | 2141 | return host->phase; |
2344 | } | 2142 | } |
2345 | 2143 | ||
2346 | 2144 | static int initio_msgout_ide(struct initio_host * host) | |
2347 | |||
2348 | /***************************************************************************/ | ||
2349 | int tul_msgout_ide(HCS * pCurHcb) | ||
2350 | { | 2145 | { |
2351 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_IDE); /* Initiator Detected Error */ | 2146 | outb(MSG_IDE, host->addr + TUL_SFifo); /* Initiator Detected Error */ |
2352 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); | 2147 | outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); |
2353 | return (wait_tulip(pCurHcb)); | 2148 | return wait_tulip(host); |
2354 | } | 2149 | } |
2355 | 2150 | ||
2356 | 2151 | static int initio_msgin_extend(struct initio_host * host) | |
2357 | /***************************************************************************/ | ||
2358 | int tul_msgin_extend(HCS * pCurHcb) | ||
2359 | { | 2152 | { |
2360 | BYTE len, idx; | 2153 | u8 len, idx; |
2361 | 2154 | ||
2362 | if (tul_msgin_accept(pCurHcb) != MSG_IN) | 2155 | if (initio_msgin_accept(host) != MSG_IN) |
2363 | return (pCurHcb->HCS_Phase); | 2156 | return host->phase; |
2364 | 2157 | ||
2365 | /* Get extended msg length */ | 2158 | /* Get extended msg length */ |
2366 | TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1); | 2159 | outl(1, host->addr + TUL_SCnt0); |
2367 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN); | 2160 | outb(TSC_XF_FIFO_IN, host->addr + TUL_SCmd); |
2368 | if (wait_tulip(pCurHcb) == -1) | 2161 | if (wait_tulip(host) == -1) |
2369 | return (-1); | 2162 | return -1; |
2370 | 2163 | ||
2371 | len = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); | 2164 | len = inb(host->addr + TUL_SFifo); |
2372 | pCurHcb->HCS_Msg[0] = len; | 2165 | host->msg[0] = len; |
2373 | for (idx = 1; len != 0; len--) { | 2166 | for (idx = 1; len != 0; len--) { |
2374 | 2167 | ||
2375 | if ((tul_msgin_accept(pCurHcb)) != MSG_IN) | 2168 | if ((initio_msgin_accept(host)) != MSG_IN) |
2376 | return (pCurHcb->HCS_Phase); | 2169 | return host->phase; |
2377 | TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1); | 2170 | outl(1, host->addr + TUL_SCnt0); |
2378 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN); | 2171 | outb(TSC_XF_FIFO_IN, host->addr + TUL_SCmd); |
2379 | if (wait_tulip(pCurHcb) == -1) | 2172 | if (wait_tulip(host) == -1) |
2380 | return (-1); | 2173 | return -1; |
2381 | pCurHcb->HCS_Msg[idx++] = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); | 2174 | host->msg[idx++] = inb(host->addr + TUL_SFifo); |
2382 | } | 2175 | } |
2383 | if (pCurHcb->HCS_Msg[1] == 1) { /* if it's synchronous data transfer request */ | 2176 | if (host->msg[1] == 1) { /* if it's synchronous data transfer request */ |
2384 | if (pCurHcb->HCS_Msg[0] != 3) /* if length is not right */ | 2177 | u8 r; |
2385 | return (tul_msgout_reject(pCurHcb)); | 2178 | if (host->msg[0] != 3) /* if length is not right */ |
2386 | if (pCurHcb->HCS_ActTcs->TCS_Flags & TCF_NO_SYNC_NEGO) { /* Set OFFSET=0 to do async, nego back */ | 2179 | return initio_msgout_reject(host); |
2387 | pCurHcb->HCS_Msg[3] = 0; | 2180 | if (host->active_tc->flags & TCF_NO_SYNC_NEGO) { /* Set OFFSET=0 to do async, nego back */ |
2181 | host->msg[3] = 0; | ||
2388 | } else { | 2182 | } else { |
2389 | if ((tul_msgin_sync(pCurHcb) == 0) && | 2183 | if (initio_msgin_sync(host) == 0 && |
2390 | (pCurHcb->HCS_ActTcs->TCS_Flags & TCF_SYNC_DONE)) { | 2184 | (host->active_tc->flags & TCF_SYNC_DONE)) { |
2391 | tul_sync_done(pCurHcb); | 2185 | initio_sync_done(host); |
2392 | return (tul_msgin_accept(pCurHcb)); | 2186 | return initio_msgin_accept(host); |
2393 | } | 2187 | } |
2394 | } | 2188 | } |
2395 | 2189 | ||
2396 | TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN)); | 2190 | r = inb(host->addr + TUL_SSignal); |
2397 | if ((tul_msgin_accept(pCurHcb)) != MSG_OUT) | 2191 | outb((r & (TSC_SET_ACK | 7)) | TSC_SET_ATN, |
2398 | return (pCurHcb->HCS_Phase); | 2192 | host->addr + TUL_SSignal); |
2193 | if (initio_msgin_accept(host) != MSG_OUT) | ||
2194 | return host->phase; | ||
2399 | /* sync msg out */ | 2195 | /* sync msg out */ |
2400 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); | 2196 | outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); |
2401 | 2197 | ||
2402 | tul_sync_done(pCurHcb); | 2198 | initio_sync_done(host); |
2403 | 2199 | ||
2404 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_EXTEND); | 2200 | outb(MSG_EXTEND, host->addr + TUL_SFifo); |
2405 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 3); | 2201 | outb(3, host->addr + TUL_SFifo); |
2406 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 1); | 2202 | outb(1, host->addr + TUL_SFifo); |
2407 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurHcb->HCS_Msg[2]); | 2203 | outb(host->msg[2], host->addr + TUL_SFifo); |
2408 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurHcb->HCS_Msg[3]); | 2204 | outb(host->msg[3], host->addr + TUL_SFifo); |
2409 | 2205 | outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); | |
2410 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); | 2206 | return wait_tulip(host); |
2411 | return (wait_tulip(pCurHcb)); | ||
2412 | } | 2207 | } |
2413 | if ((pCurHcb->HCS_Msg[0] != 2) || (pCurHcb->HCS_Msg[1] != 3)) | 2208 | if (host->msg[0] != 2 || host->msg[1] != 3) |
2414 | return (tul_msgout_reject(pCurHcb)); | 2209 | return initio_msgout_reject(host); |
2415 | /* if it's WIDE DATA XFER REQ */ | 2210 | /* if it's WIDE DATA XFER REQ */ |
2416 | if (pCurHcb->HCS_ActTcs->TCS_Flags & TCF_NO_WDTR) { | 2211 | if (host->active_tc->flags & TCF_NO_WDTR) { |
2417 | pCurHcb->HCS_Msg[2] = 0; | 2212 | host->msg[2] = 0; |
2418 | } else { | 2213 | } else { |
2419 | if (pCurHcb->HCS_Msg[2] > 2) /* > 32 bits */ | 2214 | if (host->msg[2] > 2) /* > 32 bits */ |
2420 | return (tul_msgout_reject(pCurHcb)); | 2215 | return initio_msgout_reject(host); |
2421 | if (pCurHcb->HCS_Msg[2] == 2) { /* == 32 */ | 2216 | if (host->msg[2] == 2) { /* == 32 */ |
2422 | pCurHcb->HCS_Msg[2] = 1; | 2217 | host->msg[2] = 1; |
2423 | } else { | 2218 | } else { |
2424 | if ((pCurHcb->HCS_ActTcs->TCS_Flags & TCF_NO_WDTR) == 0) { | 2219 | if ((host->active_tc->flags & TCF_NO_WDTR) == 0) { |
2425 | wdtr_done(pCurHcb); | 2220 | wdtr_done(host); |
2426 | if ((pCurHcb->HCS_ActTcs->TCS_Flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) | 2221 | if ((host->active_tc->flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) |
2427 | TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN)); | 2222 | outb(((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN), host->addr + TUL_SSignal); |
2428 | return (tul_msgin_accept(pCurHcb)); | 2223 | return initio_msgin_accept(host); |
2429 | } | 2224 | } |
2430 | } | 2225 | } |
2431 | } | 2226 | } |
2432 | TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN)); | 2227 | outb(((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN), host->addr + TUL_SSignal); |
2433 | 2228 | ||
2434 | if (tul_msgin_accept(pCurHcb) != MSG_OUT) | 2229 | if (initio_msgin_accept(host) != MSG_OUT) |
2435 | return (pCurHcb->HCS_Phase); | 2230 | return host->phase; |
2436 | /* WDTR msg out */ | 2231 | /* WDTR msg out */ |
2437 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_EXTEND); | 2232 | outb(MSG_EXTEND, host->addr + TUL_SFifo); |
2438 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 2); | 2233 | outb(2, host->addr + TUL_SFifo); |
2439 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 3); | 2234 | outb(3, host->addr + TUL_SFifo); |
2440 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurHcb->HCS_Msg[2]); | 2235 | outb(host->msg[2], host->addr + TUL_SFifo); |
2441 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); | 2236 | outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); |
2442 | return (wait_tulip(pCurHcb)); | 2237 | return wait_tulip(host); |
2443 | } | 2238 | } |
2444 | 2239 | ||
2445 | /***************************************************************************/ | 2240 | static int initio_msgin_sync(struct initio_host * host) |
2446 | int tul_msgin_sync(HCS * pCurHcb) | ||
2447 | { | 2241 | { |
2448 | char default_period; | 2242 | char default_period; |
2449 | 2243 | ||
2450 | default_period = tul_rate_tbl[pCurHcb->HCS_ActTcs->TCS_Flags & TCF_SCSI_RATE]; | 2244 | default_period = initio_rate_tbl[host->active_tc->flags & TCF_SCSI_RATE]; |
2451 | if (pCurHcb->HCS_Msg[3] > MAX_OFFSET) { | 2245 | if (host->msg[3] > MAX_OFFSET) { |
2452 | pCurHcb->HCS_Msg[3] = MAX_OFFSET; | 2246 | host->msg[3] = MAX_OFFSET; |
2453 | if (pCurHcb->HCS_Msg[2] < default_period) { | 2247 | if (host->msg[2] < default_period) { |
2454 | pCurHcb->HCS_Msg[2] = default_period; | 2248 | host->msg[2] = default_period; |
2455 | return 1; | 2249 | return 1; |
2456 | } | 2250 | } |
2457 | if (pCurHcb->HCS_Msg[2] >= 59) { /* Change to async */ | 2251 | if (host->msg[2] >= 59) /* Change to async */ |
2458 | pCurHcb->HCS_Msg[3] = 0; | 2252 | host->msg[3] = 0; |
2459 | } | ||
2460 | return 1; | 2253 | return 1; |
2461 | } | 2254 | } |
2462 | /* offset requests asynchronous transfers ? */ | 2255 | /* offset requests asynchronous transfers ? */ |
2463 | if (pCurHcb->HCS_Msg[3] == 0) { | 2256 | if (host->msg[3] == 0) { |
2464 | return 0; | 2257 | return 0; |
2465 | } | 2258 | } |
2466 | if (pCurHcb->HCS_Msg[2] < default_period) { | 2259 | if (host->msg[2] < default_period) { |
2467 | pCurHcb->HCS_Msg[2] = default_period; | 2260 | host->msg[2] = default_period; |
2468 | return 1; | 2261 | return 1; |
2469 | } | 2262 | } |
2470 | if (pCurHcb->HCS_Msg[2] >= 59) { | 2263 | if (host->msg[2] >= 59) { |
2471 | pCurHcb->HCS_Msg[3] = 0; | 2264 | host->msg[3] = 0; |
2472 | return 1; | 2265 | return 1; |
2473 | } | 2266 | } |
2474 | return 0; | 2267 | return 0; |
2475 | } | 2268 | } |
2476 | 2269 | ||
2477 | 2270 | static int wdtr_done(struct initio_host * host) | |
2478 | /***************************************************************************/ | ||
2479 | int wdtr_done(HCS * pCurHcb) | ||
2480 | { | 2271 | { |
2481 | pCurHcb->HCS_ActTcs->TCS_Flags &= ~TCF_SYNC_DONE; | 2272 | host->active_tc->flags &= ~TCF_SYNC_DONE; |
2482 | pCurHcb->HCS_ActTcs->TCS_Flags |= TCF_WDTR_DONE; | 2273 | host->active_tc->flags |= TCF_WDTR_DONE; |
2483 | 2274 | ||
2484 | pCurHcb->HCS_ActTcs->TCS_JS_Period = 0; | 2275 | host->active_tc->js_period = 0; |
2485 | if (pCurHcb->HCS_Msg[2]) { /* if 16 bit */ | 2276 | if (host->msg[2]) /* if 16 bit */ |
2486 | pCurHcb->HCS_ActTcs->TCS_JS_Period |= TSC_WIDE_SCSI; | 2277 | host->active_tc->js_period |= TSC_WIDE_SCSI; |
2487 | } | 2278 | host->active_tc->sconfig0 &= ~TSC_ALT_PERIOD; |
2488 | pCurHcb->HCS_ActTcs->TCS_SConfig0 &= ~TSC_ALT_PERIOD; | 2279 | outb(host->active_tc->sconfig0, host->addr + TUL_SConfig); |
2489 | TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurHcb->HCS_ActTcs->TCS_SConfig0); | 2280 | outb(host->active_tc->js_period, host->addr + TUL_SPeriod); |
2490 | TUL_WR(pCurHcb->HCS_Base + TUL_SPeriod, pCurHcb->HCS_ActTcs->TCS_JS_Period); | ||
2491 | 2281 | ||
2492 | return 1; | 2282 | return 1; |
2493 | } | 2283 | } |
2494 | 2284 | ||
2495 | /***************************************************************************/ | 2285 | static int initio_sync_done(struct initio_host * host) |
2496 | int tul_sync_done(HCS * pCurHcb) | ||
2497 | { | 2286 | { |
2498 | int i; | 2287 | int i; |
2499 | 2288 | ||
2500 | pCurHcb->HCS_ActTcs->TCS_Flags |= TCF_SYNC_DONE; | 2289 | host->active_tc->flags |= TCF_SYNC_DONE; |
2501 | 2290 | ||
2502 | if (pCurHcb->HCS_Msg[3]) { | 2291 | if (host->msg[3]) { |
2503 | pCurHcb->HCS_ActTcs->TCS_JS_Period |= pCurHcb->HCS_Msg[3]; | 2292 | host->active_tc->js_period |= host->msg[3]; |
2504 | for (i = 0; i < 8; i++) { | 2293 | for (i = 0; i < 8; i++) { |
2505 | if (tul_rate_tbl[i] >= pCurHcb->HCS_Msg[2]) /* pick the big one */ | 2294 | if (initio_rate_tbl[i] >= host->msg[2]) /* pick the big one */ |
2506 | break; | 2295 | break; |
2507 | } | 2296 | } |
2508 | pCurHcb->HCS_ActTcs->TCS_JS_Period |= (i << 4); | 2297 | host->active_tc->js_period |= (i << 4); |
2509 | pCurHcb->HCS_ActTcs->TCS_SConfig0 |= TSC_ALT_PERIOD; | 2298 | host->active_tc->sconfig0 |= TSC_ALT_PERIOD; |
2510 | } | 2299 | } |
2511 | TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurHcb->HCS_ActTcs->TCS_SConfig0); | 2300 | outb(host->active_tc->sconfig0, host->addr + TUL_SConfig); |
2512 | TUL_WR(pCurHcb->HCS_Base + TUL_SPeriod, pCurHcb->HCS_ActTcs->TCS_JS_Period); | 2301 | outb(host->active_tc->js_period, host->addr + TUL_SPeriod); |
2513 | 2302 | ||
2514 | return (-1); | 2303 | return -1; |
2515 | } | 2304 | } |
2516 | 2305 | ||
2517 | 2306 | ||
2518 | int tul_post_scsi_rst(HCS * pCurHcb) | 2307 | static int initio_post_scsi_rst(struct initio_host * host) |
2519 | { | 2308 | { |
2520 | SCB *pCurScb; | 2309 | struct scsi_ctrl_blk *scb; |
2521 | TCS *pCurTcb; | 2310 | struct target_control *active_tc; |
2522 | int i; | 2311 | int i; |
2523 | 2312 | ||
2524 | pCurHcb->HCS_ActScb = NULL; | 2313 | host->active = NULL; |
2525 | pCurHcb->HCS_ActTcs = NULL; | 2314 | host->active_tc = NULL; |
2526 | pCurHcb->HCS_Flags = 0; | 2315 | host->flags = 0; |
2527 | 2316 | ||
2528 | while ((pCurScb = tul_pop_busy_scb(pCurHcb)) != NULL) { | 2317 | while ((scb = initio_pop_busy_scb(host)) != NULL) { |
2529 | pCurScb->SCB_HaStat = HOST_BAD_PHAS; | 2318 | scb->hastat = HOST_BAD_PHAS; |
2530 | tul_append_done_scb(pCurHcb, pCurScb); | 2319 | initio_append_done_scb(host, scb); |
2531 | } | 2320 | } |
2532 | /* clear sync done flag */ | 2321 | /* clear sync done flag */ |
2533 | pCurTcb = &pCurHcb->HCS_Tcs[0]; | 2322 | active_tc = &host->targets[0]; |
2534 | for (i = 0; i < pCurHcb->HCS_MaxTar; pCurTcb++, i++) { | 2323 | for (i = 0; i < host->max_tar; active_tc++, i++) { |
2535 | pCurTcb->TCS_Flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE); | 2324 | active_tc->flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE); |
2536 | /* Initialize the sync. xfer register values to an asyn xfer */ | 2325 | /* Initialize the sync. xfer register values to an asyn xfer */ |
2537 | pCurTcb->TCS_JS_Period = 0; | 2326 | active_tc->js_period = 0; |
2538 | pCurTcb->TCS_SConfig0 = pCurHcb->HCS_SConf1; | 2327 | active_tc->sconfig0 = host->sconf1; |
2539 | pCurHcb->HCS_ActTags[0] = 0; /* 07/22/98 */ | 2328 | host->act_tags[0] = 0; /* 07/22/98 */ |
2540 | pCurHcb->HCS_Tcs[i].TCS_Flags &= ~TCF_BUSY; /* 07/22/98 */ | 2329 | host->targets[i].flags &= ~TCF_BUSY; /* 07/22/98 */ |
2541 | } /* for */ | 2330 | } /* for */ |
2542 | 2331 | ||
2543 | return (-1); | 2332 | return -1; |
2544 | } | 2333 | } |
2545 | 2334 | ||
2546 | /***************************************************************************/ | 2335 | static void initio_select_atn_stop(struct initio_host * host, struct scsi_ctrl_blk * scb) |
2547 | void tul_select_atn_stop(HCS * pCurHcb, SCB * pCurScb) | ||
2548 | { | 2336 | { |
2549 | pCurScb->SCB_Status |= SCB_SELECT; | 2337 | scb->status |= SCB_SELECT; |
2550 | pCurScb->SCB_NxtStat = 0x1; | 2338 | scb->next_state = 0x1; |
2551 | pCurHcb->HCS_ActScb = pCurScb; | 2339 | host->active = scb; |
2552 | pCurHcb->HCS_ActTcs = &pCurHcb->HCS_Tcs[pCurScb->SCB_Target]; | 2340 | host->active_tc = &host->targets[scb->target]; |
2553 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_SELATNSTOP); | 2341 | outb(TSC_SELATNSTOP, host->addr + TUL_SCmd); |
2554 | return; | ||
2555 | } | 2342 | } |
2556 | 2343 | ||
2557 | 2344 | ||
2558 | /***************************************************************************/ | 2345 | static void initio_select_atn(struct initio_host * host, struct scsi_ctrl_blk * scb) |
2559 | void tul_select_atn(HCS * pCurHcb, SCB * pCurScb) | ||
2560 | { | 2346 | { |
2561 | int i; | 2347 | int i; |
2562 | 2348 | ||
2563 | pCurScb->SCB_Status |= SCB_SELECT; | 2349 | scb->status |= SCB_SELECT; |
2564 | pCurScb->SCB_NxtStat = 0x2; | 2350 | scb->next_state = 0x2; |
2565 | 2351 | ||
2566 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_Ident); | 2352 | outb(scb->ident, host->addr + TUL_SFifo); |
2567 | for (i = 0; i < (int) pCurScb->SCB_CDBLen; i++) | 2353 | for (i = 0; i < (int) scb->cdblen; i++) |
2568 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_CDB[i]); | 2354 | outb(scb->cdb[i], host->addr + TUL_SFifo); |
2569 | pCurHcb->HCS_ActTcs = &pCurHcb->HCS_Tcs[pCurScb->SCB_Target]; | 2355 | host->active_tc = &host->targets[scb->target]; |
2570 | pCurHcb->HCS_ActScb = pCurScb; | 2356 | host->active = scb; |
2571 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_SEL_ATN); | 2357 | outb(TSC_SEL_ATN, host->addr + TUL_SCmd); |
2572 | return; | ||
2573 | } | 2358 | } |
2574 | 2359 | ||
2575 | /***************************************************************************/ | 2360 | static void initio_select_atn3(struct initio_host * host, struct scsi_ctrl_blk * scb) |
2576 | void tul_select_atn3(HCS * pCurHcb, SCB * pCurScb) | ||
2577 | { | 2361 | { |
2578 | int i; | 2362 | int i; |
2579 | 2363 | ||
2580 | pCurScb->SCB_Status |= SCB_SELECT; | 2364 | scb->status |= SCB_SELECT; |
2581 | pCurScb->SCB_NxtStat = 0x2; | 2365 | scb->next_state = 0x2; |
2582 | 2366 | ||
2583 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_Ident); | 2367 | outb(scb->ident, host->addr + TUL_SFifo); |
2584 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_TagMsg); | 2368 | outb(scb->tagmsg, host->addr + TUL_SFifo); |
2585 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_TagId); | 2369 | outb(scb->tagid, host->addr + TUL_SFifo); |
2586 | for (i = 0; i < (int) pCurScb->SCB_CDBLen; i++) | 2370 | for (i = 0; i < scb->cdblen; i++) |
2587 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_CDB[i]); | 2371 | outb(scb->cdb[i], host->addr + TUL_SFifo); |
2588 | pCurHcb->HCS_ActTcs = &pCurHcb->HCS_Tcs[pCurScb->SCB_Target]; | 2372 | host->active_tc = &host->targets[scb->target]; |
2589 | pCurHcb->HCS_ActScb = pCurScb; | 2373 | host->active = scb; |
2590 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_SEL_ATN3); | 2374 | outb(TSC_SEL_ATN3, host->addr + TUL_SCmd); |
2591 | return; | ||
2592 | } | 2375 | } |
2593 | 2376 | ||
2594 | /***************************************************************************/ | 2377 | /** |
2595 | /* SCSI Bus Device Reset */ | 2378 | * initio_bus_device_reset - SCSI Bus Device Reset |
2596 | int tul_bus_device_reset(HCS * pCurHcb) | 2379 | * @host: InitIO host to reset |
2380 | * | ||
2381 | * Perform a device reset and abort all pending SCBs for the | ||
2382 | * victim device | ||
2383 | */ | ||
2384 | int initio_bus_device_reset(struct initio_host * host) | ||
2597 | { | 2385 | { |
2598 | SCB *pCurScb = pCurHcb->HCS_ActScb; | 2386 | struct scsi_ctrl_blk *scb = host->active; |
2599 | TCS *pCurTcb = pCurHcb->HCS_ActTcs; | 2387 | struct target_control *active_tc = host->active_tc; |
2600 | SCB *pTmpScb, *pPrevScb; | 2388 | struct scsi_ctrl_blk *tmp, *prev; |
2601 | BYTE tar; | 2389 | u8 tar; |
2602 | 2390 | ||
2603 | if (pCurHcb->HCS_Phase != MSG_OUT) { | 2391 | if (host->phase != MSG_OUT) |
2604 | return (int_tul_bad_seq(pCurHcb)); /* Unexpected phase */ | 2392 | return int_initio_bad_seq(host); /* Unexpected phase */ |
2605 | } | 2393 | |
2606 | tul_unlink_pend_scb(pCurHcb, pCurScb); | 2394 | initio_unlink_pend_scb(host, scb); |
2607 | tul_release_scb(pCurHcb, pCurScb); | 2395 | initio_release_scb(host, scb); |
2608 | 2396 | ||
2609 | 2397 | ||
2610 | tar = pCurScb->SCB_Target; /* target */ | 2398 | tar = scb->target; /* target */ |
2611 | pCurTcb->TCS_Flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE | TCF_BUSY); | 2399 | active_tc->flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE | TCF_BUSY); |
2612 | /* clr sync. nego & WDTR flags 07/22/98 */ | 2400 | /* clr sync. nego & WDTR flags 07/22/98 */ |
2613 | 2401 | ||
2614 | /* abort all SCB with same target */ | 2402 | /* abort all SCB with same target */ |
2615 | pPrevScb = pTmpScb = pCurHcb->HCS_FirstBusy; /* Check Busy queue */ | 2403 | prev = tmp = host->first_busy; /* Check Busy queue */ |
2616 | while (pTmpScb != NULL) { | 2404 | while (tmp != NULL) { |
2617 | 2405 | if (tmp->target == tar) { | |
2618 | if (pTmpScb->SCB_Target == tar) { | ||
2619 | /* unlink it */ | 2406 | /* unlink it */ |
2620 | if (pTmpScb == pCurHcb->HCS_FirstBusy) { | 2407 | if (tmp == host->first_busy) { |
2621 | if ((pCurHcb->HCS_FirstBusy = pTmpScb->SCB_NxtScb) == NULL) | 2408 | if ((host->first_busy = tmp->next) == NULL) |
2622 | pCurHcb->HCS_LastBusy = NULL; | 2409 | host->last_busy = NULL; |
2623 | } else { | 2410 | } else { |
2624 | pPrevScb->SCB_NxtScb = pTmpScb->SCB_NxtScb; | 2411 | prev->next = tmp->next; |
2625 | if (pTmpScb == pCurHcb->HCS_LastBusy) | 2412 | if (tmp == host->last_busy) |
2626 | pCurHcb->HCS_LastBusy = pPrevScb; | 2413 | host->last_busy = prev; |
2627 | } | 2414 | } |
2628 | pTmpScb->SCB_HaStat = HOST_ABORTED; | 2415 | tmp->hastat = HOST_ABORTED; |
2629 | tul_append_done_scb(pCurHcb, pTmpScb); | 2416 | initio_append_done_scb(host, tmp); |
2630 | } | 2417 | } |
2631 | /* Previous haven't change */ | 2418 | /* Previous haven't change */ |
2632 | else { | 2419 | else { |
2633 | pPrevScb = pTmpScb; | 2420 | prev = tmp; |
2634 | } | 2421 | } |
2635 | pTmpScb = pTmpScb->SCB_NxtScb; | 2422 | tmp = tmp->next; |
2636 | } | 2423 | } |
2637 | 2424 | outb(MSG_DEVRST, host->addr + TUL_SFifo); | |
2638 | TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_DEVRST); | 2425 | outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); |
2639 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); | 2426 | return initio_wait_disc(host); |
2640 | |||
2641 | return tul_wait_disc(pCurHcb); | ||
2642 | 2427 | ||
2643 | } | 2428 | } |
2644 | 2429 | ||
2645 | /***************************************************************************/ | 2430 | static int initio_msgin_accept(struct initio_host * host) |
2646 | int tul_msgin_accept(HCS * pCurHcb) | ||
2647 | { | 2431 | { |
2648 | TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_MSG_ACCEPT); | 2432 | outb(TSC_MSG_ACCEPT, host->addr + TUL_SCmd); |
2649 | return (wait_tulip(pCurHcb)); | 2433 | return wait_tulip(host); |
2650 | } | 2434 | } |
2651 | 2435 | ||
2652 | /***************************************************************************/ | 2436 | static int wait_tulip(struct initio_host * host) |
2653 | int wait_tulip(HCS * pCurHcb) | ||
2654 | { | 2437 | { |
2655 | 2438 | ||
2656 | while (!((pCurHcb->HCS_JSStatus0 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus0)) | 2439 | while (!((host->jsstatus0 = inb(host->addr + TUL_SStatus0)) |
2657 | & TSS_INT_PENDING)); | 2440 | & TSS_INT_PENDING)) |
2441 | cpu_relax(); | ||
2658 | 2442 | ||
2659 | pCurHcb->HCS_JSInt = TUL_RD(pCurHcb->HCS_Base, TUL_SInt); | 2443 | host->jsint = inb(host->addr + TUL_SInt); |
2660 | pCurHcb->HCS_Phase = pCurHcb->HCS_JSStatus0 & TSS_PH_MASK; | 2444 | host->phase = host->jsstatus0 & TSS_PH_MASK; |
2661 | pCurHcb->HCS_JSStatus1 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus1); | 2445 | host->jsstatus1 = inb(host->addr + TUL_SStatus1); |
2662 | 2446 | ||
2663 | if (pCurHcb->HCS_JSInt & TSS_RESEL_INT) { /* if SCSI bus reset detected */ | 2447 | if (host->jsint & TSS_RESEL_INT) /* if SCSI bus reset detected */ |
2664 | return (int_tul_resel(pCurHcb)); | 2448 | return int_initio_resel(host); |
2665 | } | 2449 | if (host->jsint & TSS_SEL_TIMEOUT) /* if selected/reselected timeout interrupt */ |
2666 | if (pCurHcb->HCS_JSInt & TSS_SEL_TIMEOUT) { /* if selected/reselected timeout interrupt */ | 2450 | return int_initio_busfree(host); |
2667 | return (int_tul_busfree(pCurHcb)); | 2451 | if (host->jsint & TSS_SCSIRST_INT) /* if SCSI bus reset detected */ |
2668 | } | 2452 | return int_initio_scsi_rst(host); |
2669 | if (pCurHcb->HCS_JSInt & TSS_SCSIRST_INT) { /* if SCSI bus reset detected */ | 2453 | |
2670 | return (int_tul_scsi_rst(pCurHcb)); | 2454 | if (host->jsint & TSS_DISC_INT) { /* BUS disconnection */ |
2671 | } | 2455 | if (host->flags & HCF_EXPECT_DONE_DISC) { |
2672 | if (pCurHcb->HCS_JSInt & TSS_DISC_INT) { /* BUS disconnection */ | 2456 | outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); /* Flush SCSI FIFO */ |
2673 | if (pCurHcb->HCS_Flags & HCF_EXPECT_DONE_DISC) { | 2457 | initio_unlink_busy_scb(host, host->active); |
2674 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); /* Flush SCSI FIFO */ | 2458 | host->active->hastat = 0; |
2675 | tul_unlink_busy_scb(pCurHcb, pCurHcb->HCS_ActScb); | 2459 | initio_append_done_scb(host, host->active); |
2676 | pCurHcb->HCS_ActScb->SCB_HaStat = 0; | 2460 | host->active = NULL; |
2677 | tul_append_done_scb(pCurHcb, pCurHcb->HCS_ActScb); | 2461 | host->active_tc = NULL; |
2678 | pCurHcb->HCS_ActScb = NULL; | 2462 | host->flags &= ~HCF_EXPECT_DONE_DISC; |
2679 | pCurHcb->HCS_ActTcs = NULL; | 2463 | outb(TSC_INITDEFAULT, host->addr + TUL_SConfig); |
2680 | pCurHcb->HCS_Flags &= ~HCF_EXPECT_DONE_DISC; | 2464 | outb(TSC_HW_RESELECT, host->addr + TUL_SCtrl1); /* Enable HW reselect */ |
2681 | TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, TSC_INITDEFAULT); | 2465 | return -1; |
2682 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT); /* Enable HW reselect */ | ||
2683 | return (-1); | ||
2684 | } | 2466 | } |
2685 | if (pCurHcb->HCS_Flags & HCF_EXPECT_DISC) { | 2467 | if (host->flags & HCF_EXPECT_DISC) { |
2686 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); /* Flush SCSI FIFO */ | 2468 | outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); /* Flush SCSI FIFO */ |
2687 | pCurHcb->HCS_ActScb = NULL; | 2469 | host->active = NULL; |
2688 | pCurHcb->HCS_ActTcs = NULL; | 2470 | host->active_tc = NULL; |
2689 | pCurHcb->HCS_Flags &= ~HCF_EXPECT_DISC; | 2471 | host->flags &= ~HCF_EXPECT_DISC; |
2690 | TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, TSC_INITDEFAULT); | 2472 | outb(TSC_INITDEFAULT, host->addr + TUL_SConfig); |
2691 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT); /* Enable HW reselect */ | 2473 | outb(TSC_HW_RESELECT, host->addr + TUL_SCtrl1); /* Enable HW reselect */ |
2692 | return (-1); | 2474 | return -1; |
2693 | } | 2475 | } |
2694 | return (int_tul_busfree(pCurHcb)); | 2476 | return int_initio_busfree(host); |
2695 | } | ||
2696 | if (pCurHcb->HCS_JSInt & (TSS_FUNC_COMP | TSS_BUS_SERV)) { | ||
2697 | return (pCurHcb->HCS_Phase); | ||
2698 | } | 2477 | } |
2699 | return (pCurHcb->HCS_Phase); | 2478 | /* The old code really does the below. Can probably be removed */ |
2479 | if (host->jsint & (TSS_FUNC_COMP | TSS_BUS_SERV)) | ||
2480 | return host->phase; | ||
2481 | return host->phase; | ||
2700 | } | 2482 | } |
2701 | /***************************************************************************/ | ||
2702 | int tul_wait_disc(HCS * pCurHcb) | ||
2703 | { | ||
2704 | |||
2705 | while (!((pCurHcb->HCS_JSStatus0 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus0)) | ||
2706 | & TSS_INT_PENDING)); | ||
2707 | 2483 | ||
2484 | static int initio_wait_disc(struct initio_host * host) | ||
2485 | { | ||
2486 | while (!((host->jsstatus0 = inb(host->addr + TUL_SStatus0)) & TSS_INT_PENDING)) | ||
2487 | cpu_relax(); | ||
2708 | 2488 | ||
2709 | pCurHcb->HCS_JSInt = TUL_RD(pCurHcb->HCS_Base, TUL_SInt); | 2489 | host->jsint = inb(host->addr + TUL_SInt); |
2710 | 2490 | ||
2711 | if (pCurHcb->HCS_JSInt & TSS_SCSIRST_INT) { /* if SCSI bus reset detected */ | 2491 | if (host->jsint & TSS_SCSIRST_INT) /* if SCSI bus reset detected */ |
2712 | return (int_tul_scsi_rst(pCurHcb)); | 2492 | return int_initio_scsi_rst(host); |
2713 | } | 2493 | if (host->jsint & TSS_DISC_INT) { /* BUS disconnection */ |
2714 | if (pCurHcb->HCS_JSInt & TSS_DISC_INT) { /* BUS disconnection */ | 2494 | outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); /* Flush SCSI FIFO */ |
2715 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); /* Flush SCSI FIFO */ | 2495 | outb(TSC_INITDEFAULT, host->addr + TUL_SConfig); |
2716 | TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, TSC_INITDEFAULT); | 2496 | outb(TSC_HW_RESELECT, host->addr + TUL_SCtrl1); /* Enable HW reselect */ |
2717 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT); /* Enable HW reselect */ | 2497 | host->active = NULL; |
2718 | pCurHcb->HCS_ActScb = NULL; | 2498 | return -1; |
2719 | return (-1); | ||
2720 | } | 2499 | } |
2721 | return (tul_bad_seq(pCurHcb)); | 2500 | return initio_bad_seq(host); |
2722 | } | 2501 | } |
2723 | 2502 | ||
2724 | /***************************************************************************/ | 2503 | static int initio_wait_done_disc(struct initio_host * host) |
2725 | int tul_wait_done_disc(HCS * pCurHcb) | ||
2726 | { | 2504 | { |
2505 | while (!((host->jsstatus0 = inb(host->addr + TUL_SStatus0)) | ||
2506 | & TSS_INT_PENDING)) | ||
2507 | cpu_relax(); | ||
2727 | 2508 | ||
2509 | host->jsint = inb(host->addr + TUL_SInt); | ||
2728 | 2510 | ||
2729 | while (!((pCurHcb->HCS_JSStatus0 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus0)) | 2511 | if (host->jsint & TSS_SCSIRST_INT) /* if SCSI bus reset detected */ |
2730 | & TSS_INT_PENDING)); | 2512 | return int_initio_scsi_rst(host); |
2731 | 2513 | if (host->jsint & TSS_DISC_INT) { /* BUS disconnection */ | |
2732 | pCurHcb->HCS_JSInt = TUL_RD(pCurHcb->HCS_Base, TUL_SInt); | 2514 | outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); /* Flush SCSI FIFO */ |
2733 | 2515 | outb(TSC_INITDEFAULT, host->addr + TUL_SConfig); | |
2734 | 2516 | outb(TSC_HW_RESELECT, host->addr + TUL_SCtrl1); /* Enable HW reselect */ | |
2735 | if (pCurHcb->HCS_JSInt & TSS_SCSIRST_INT) { /* if SCSI bus reset detected */ | 2517 | initio_unlink_busy_scb(host, host->active); |
2736 | return (int_tul_scsi_rst(pCurHcb)); | ||
2737 | } | ||
2738 | if (pCurHcb->HCS_JSInt & TSS_DISC_INT) { /* BUS disconnection */ | ||
2739 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); /* Flush SCSI FIFO */ | ||
2740 | TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, TSC_INITDEFAULT); | ||
2741 | TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT); /* Enable HW reselect */ | ||
2742 | tul_unlink_busy_scb(pCurHcb, pCurHcb->HCS_ActScb); | ||
2743 | 2518 | ||
2744 | tul_append_done_scb(pCurHcb, pCurHcb->HCS_ActScb); | 2519 | initio_append_done_scb(host, host->active); |
2745 | pCurHcb->HCS_ActScb = NULL; | 2520 | host->active = NULL; |
2746 | return (-1); | 2521 | return -1; |
2747 | } | 2522 | } |
2748 | return (tul_bad_seq(pCurHcb)); | 2523 | return initio_bad_seq(host); |
2749 | } | 2524 | } |
2750 | 2525 | ||
2526 | /** | ||
2527 | * i91u_intr - IRQ handler | ||
2528 | * @irqno: IRQ number | ||
2529 | * @dev_id: IRQ identifier | ||
2530 | * | ||
2531 | * Take the relevant locks and then invoke the actual isr processing | ||
2532 | * code under the lock. | ||
2533 | */ | ||
2534 | |||
2751 | static irqreturn_t i91u_intr(int irqno, void *dev_id) | 2535 | static irqreturn_t i91u_intr(int irqno, void *dev_id) |
2752 | { | 2536 | { |
2753 | struct Scsi_Host *dev = dev_id; | 2537 | struct Scsi_Host *dev = dev_id; |
2754 | unsigned long flags; | 2538 | unsigned long flags; |
2539 | int r; | ||
2755 | 2540 | ||
2756 | spin_lock_irqsave(dev->host_lock, flags); | 2541 | spin_lock_irqsave(dev->host_lock, flags); |
2757 | tul_isr((HCS *)dev->base); | 2542 | r = initio_isr((struct initio_host *)dev->hostdata); |
2758 | spin_unlock_irqrestore(dev->host_lock, flags); | 2543 | spin_unlock_irqrestore(dev->host_lock, flags); |
2759 | return IRQ_HANDLED; | 2544 | if (r) |
2760 | } | 2545 | return IRQ_HANDLED; |
2761 | 2546 | else | |
2762 | static int tul_NewReturnNumberOfAdapters(void) | 2547 | return IRQ_NONE; |
2763 | { | ||
2764 | struct pci_dev *pDev = NULL; /* Start from none */ | ||
2765 | int iAdapters = 0; | ||
2766 | long dRegValue; | ||
2767 | WORD wBIOS; | ||
2768 | int i = 0; | ||
2769 | |||
2770 | init_i91uAdapter_table(); | ||
2771 | |||
2772 | for (i = 0; i < ARRAY_SIZE(i91u_pci_devices); i++) | ||
2773 | { | ||
2774 | while ((pDev = pci_find_device(i91u_pci_devices[i].vendor, i91u_pci_devices[i].device, pDev)) != NULL) { | ||
2775 | if (pci_enable_device(pDev)) | ||
2776 | continue; | ||
2777 | pci_read_config_dword(pDev, 0x44, (u32 *) & dRegValue); | ||
2778 | wBIOS = (UWORD) (dRegValue & 0xFF); | ||
2779 | if (((dRegValue & 0xFF00) >> 8) == 0xFF) | ||
2780 | dRegValue = 0; | ||
2781 | wBIOS = (wBIOS << 8) + ((UWORD) ((dRegValue & 0xFF00) >> 8)); | ||
2782 | if (pci_set_dma_mask(pDev, DMA_32BIT_MASK)) { | ||
2783 | printk(KERN_WARNING | ||
2784 | "i91u: Could not set 32 bit DMA mask\n"); | ||
2785 | continue; | ||
2786 | } | ||
2787 | |||
2788 | if (Addi91u_into_Adapter_table(wBIOS, | ||
2789 | (pDev->resource[0].start), | ||
2790 | pDev->irq, | ||
2791 | pDev->bus->number, | ||
2792 | (pDev->devfn >> 3) | ||
2793 | ) == 0) | ||
2794 | iAdapters++; | ||
2795 | } | ||
2796 | } | ||
2797 | |||
2798 | return (iAdapters); | ||
2799 | } | 2548 | } |
2800 | 2549 | ||
2801 | static int i91u_detect(struct scsi_host_template * tpnt) | ||
2802 | { | ||
2803 | HCS *pHCB; | ||
2804 | struct Scsi_Host *hreg; | ||
2805 | unsigned long i; /* 01/14/98 */ | ||
2806 | int ok = 0, iAdapters; | ||
2807 | ULONG dBiosAdr; | ||
2808 | BYTE *pbBiosAdr; | ||
2809 | |||
2810 | /* Get total number of adapters in the motherboard */ | ||
2811 | iAdapters = tul_NewReturnNumberOfAdapters(); | ||
2812 | if (iAdapters == 0) /* If no tulip founded, return */ | ||
2813 | return (0); | ||
2814 | |||
2815 | tul_num_ch = (iAdapters > tul_num_ch) ? tul_num_ch : iAdapters; | ||
2816 | /* Update actually channel number */ | ||
2817 | if (tul_tag_enable) { /* 1.01i */ | ||
2818 | tul_num_scb = MAX_TARGETS * i91u_MAXQUEUE; | ||
2819 | } else { | ||
2820 | tul_num_scb = MAX_TARGETS + 3; /* 1-tape, 1-CD_ROM, 1- extra */ | ||
2821 | } /* Update actually SCBs per adapter */ | ||
2822 | |||
2823 | /* Get total memory needed for HCS */ | ||
2824 | i = tul_num_ch * sizeof(HCS); | ||
2825 | memset((unsigned char *) &tul_hcs[0], 0, i); /* Initialize tul_hcs 0 */ | ||
2826 | /* Get total memory needed for SCB */ | ||
2827 | |||
2828 | for (; tul_num_scb >= MAX_TARGETS + 3; tul_num_scb--) { | ||
2829 | i = tul_num_ch * tul_num_scb * sizeof(SCB); | ||
2830 | if ((tul_scb = kmalloc(i, GFP_ATOMIC | GFP_DMA)) != NULL) | ||
2831 | break; | ||
2832 | } | ||
2833 | if (tul_scb == NULL) { | ||
2834 | printk("i91u: SCB memory allocation error\n"); | ||
2835 | return (0); | ||
2836 | } | ||
2837 | memset((unsigned char *) tul_scb, 0, i); | ||
2838 | 2550 | ||
2839 | for (i = 0, pHCB = &tul_hcs[0]; /* Get pointer for control block */ | 2551 | /** |
2840 | i < tul_num_ch; | 2552 | * initio_build_scb - Build the mappings and SCB |
2841 | i++, pHCB++) { | 2553 | * @host: InitIO host taking the command |
2842 | get_tulipPCIConfig(pHCB, i); | 2554 | * @cblk: Firmware command block |
2843 | 2555 | * @cmnd: SCSI midlayer command block | |
2844 | dBiosAdr = pHCB->HCS_BIOS; | 2556 | * |
2845 | dBiosAdr = (dBiosAdr << 4); | 2557 | * Translate the abstract SCSI command into a firmware command block |
2846 | 2558 | * suitable for feeding to the InitIO host controller. This also requires | |
2847 | pbBiosAdr = phys_to_virt(dBiosAdr); | 2559 | * we build the scatter gather lists and ensure they are mapped properly. |
2848 | 2560 | */ | |
2849 | init_tulip(pHCB, tul_scb + (i * tul_num_scb), tul_num_scb, pbBiosAdr, 10); | ||
2850 | request_region(pHCB->HCS_Base, 256, "i91u"); /* Register */ | ||
2851 | |||
2852 | pHCB->HCS_Index = i; /* 7/29/98 */ | ||
2853 | hreg = scsi_register(tpnt, sizeof(HCS)); | ||
2854 | if(hreg == NULL) { | ||
2855 | release_region(pHCB->HCS_Base, 256); | ||
2856 | return 0; | ||
2857 | } | ||
2858 | hreg->io_port = pHCB->HCS_Base; | ||
2859 | hreg->n_io_port = 0xff; | ||
2860 | hreg->can_queue = tul_num_scb; /* 03/05/98 */ | ||
2861 | hreg->unique_id = pHCB->HCS_Base; | ||
2862 | hreg->max_id = pHCB->HCS_MaxTar; | ||
2863 | hreg->max_lun = 32; /* 10/21/97 */ | ||
2864 | hreg->irq = pHCB->HCS_Intr; | ||
2865 | hreg->this_id = pHCB->HCS_SCSI_ID; /* Assign HCS index */ | ||
2866 | hreg->base = (unsigned long)pHCB; | ||
2867 | hreg->sg_tablesize = TOTAL_SG_ENTRY; /* Maximun support is 32 */ | ||
2868 | |||
2869 | /* Initial tulip chip */ | ||
2870 | ok = request_irq(pHCB->HCS_Intr, i91u_intr, IRQF_DISABLED | IRQF_SHARED, "i91u", hreg); | ||
2871 | if (ok < 0) { | ||
2872 | printk(KERN_WARNING "i91u: unable to request IRQ %d\n\n", pHCB->HCS_Intr); | ||
2873 | return 0; | ||
2874 | } | ||
2875 | } | ||
2876 | |||
2877 | tpnt->this_id = -1; | ||
2878 | tpnt->can_queue = 1; | ||
2879 | |||
2880 | return 1; | ||
2881 | } | ||
2882 | 2561 | ||
2883 | static void i91uBuildSCB(HCS * pHCB, SCB * pSCB, struct scsi_cmnd * SCpnt) | 2562 | static void initio_build_scb(struct initio_host * host, struct scsi_ctrl_blk * cblk, struct scsi_cmnd * cmnd) |
2884 | { /* Create corresponding SCB */ | 2563 | { /* Create corresponding SCB */ |
2885 | struct scatterlist *pSrbSG; | 2564 | struct scatterlist *sglist; |
2886 | SG *pSG; /* Pointer to SG list */ | 2565 | struct sg_entry *sg; /* Pointer to SG list */ |
2887 | int i; | 2566 | int i; |
2888 | long TotalLen; | 2567 | long total_len; |
2889 | dma_addr_t dma_addr; | 2568 | dma_addr_t dma_addr; |
2890 | 2569 | ||
2891 | pSCB->SCB_Post = i91uSCBPost; /* i91u's callback routine */ | 2570 | /* Fill in the command headers */ |
2892 | pSCB->SCB_Srb = SCpnt; | 2571 | cblk->post = i91uSCBPost; /* i91u's callback routine */ |
2893 | pSCB->SCB_Opcode = ExecSCSI; | 2572 | cblk->srb = cmnd; |
2894 | pSCB->SCB_Flags = SCF_POST; /* After SCSI done, call post routine */ | 2573 | cblk->opcode = ExecSCSI; |
2895 | pSCB->SCB_Target = SCpnt->device->id; | 2574 | cblk->flags = SCF_POST; /* After SCSI done, call post routine */ |
2896 | pSCB->SCB_Lun = SCpnt->device->lun; | 2575 | cblk->target = cmnd->device->id; |
2897 | pSCB->SCB_Ident = SCpnt->device->lun | DISC_ALLOW; | 2576 | cblk->lun = cmnd->device->lun; |
2898 | 2577 | cblk->ident = cmnd->device->lun | DISC_ALLOW; | |
2899 | pSCB->SCB_Flags |= SCF_SENSE; /* Turn on auto request sense */ | ||
2900 | dma_addr = dma_map_single(&pHCB->pci_dev->dev, SCpnt->sense_buffer, | ||
2901 | SENSE_SIZE, DMA_FROM_DEVICE); | ||
2902 | pSCB->SCB_SensePtr = cpu_to_le32((u32)dma_addr); | ||
2903 | pSCB->SCB_SenseLen = cpu_to_le32(SENSE_SIZE); | ||
2904 | SCpnt->SCp.ptr = (char *)(unsigned long)dma_addr; | ||
2905 | 2578 | ||
2906 | pSCB->SCB_CDBLen = SCpnt->cmd_len; | 2579 | cblk->flags |= SCF_SENSE; /* Turn on auto request sense */ |
2907 | pSCB->SCB_HaStat = 0; | ||
2908 | pSCB->SCB_TaStat = 0; | ||
2909 | memcpy(&pSCB->SCB_CDB[0], &SCpnt->cmnd, SCpnt->cmd_len); | ||
2910 | 2580 | ||
2911 | if (SCpnt->device->tagged_supported) { /* Tag Support */ | 2581 | /* Map the sense buffer into bus memory */ |
2912 | pSCB->SCB_TagMsg = SIMPLE_QUEUE_TAG; /* Do simple tag only */ | 2582 | dma_addr = dma_map_single(&host->pci_dev->dev, cmnd->sense_buffer, |
2583 | SENSE_SIZE, DMA_FROM_DEVICE); | ||
2584 | cblk->senseptr = cpu_to_le32((u32)dma_addr); | ||
2585 | cblk->senselen = cpu_to_le32(SENSE_SIZE); | ||
2586 | cmnd->SCp.ptr = (char *)(unsigned long)dma_addr; | ||
2587 | cblk->cdblen = cmnd->cmd_len; | ||
2588 | |||
2589 | /* Clear the returned status */ | ||
2590 | cblk->hastat = 0; | ||
2591 | cblk->tastat = 0; | ||
2592 | /* Command the command */ | ||
2593 | memcpy(&cblk->cdb[0], &cmnd->cmnd, cmnd->cmd_len); | ||
2594 | |||
2595 | /* Set up tags */ | ||
2596 | if (cmnd->device->tagged_supported) { /* Tag Support */ | ||
2597 | cblk->tagmsg = SIMPLE_QUEUE_TAG; /* Do simple tag only */ | ||
2913 | } else { | 2598 | } else { |
2914 | pSCB->SCB_TagMsg = 0; /* No tag support */ | 2599 | cblk->tagmsg = 0; /* No tag support */ |
2915 | } | 2600 | } |
2601 | |||
2916 | /* todo handle map_sg error */ | 2602 | /* todo handle map_sg error */ |
2917 | if (SCpnt->use_sg) { | 2603 | if (cmnd->use_sg) { |
2918 | dma_addr = dma_map_single(&pHCB->pci_dev->dev, &pSCB->SCB_SGList[0], | 2604 | dma_addr = dma_map_single(&host->pci_dev->dev, &cblk->sglist[0], |
2919 | sizeof(struct SG_Struc) * TOTAL_SG_ENTRY, | 2605 | sizeof(struct sg_entry) * TOTAL_SG_ENTRY, |
2920 | DMA_BIDIRECTIONAL); | 2606 | DMA_BIDIRECTIONAL); |
2921 | pSCB->SCB_BufPtr = cpu_to_le32((u32)dma_addr); | 2607 | cblk->bufptr = cpu_to_le32((u32)dma_addr); |
2922 | SCpnt->SCp.dma_handle = dma_addr; | 2608 | cmnd->SCp.dma_handle = dma_addr; |
2923 | 2609 | ||
2924 | pSrbSG = (struct scatterlist *) SCpnt->request_buffer; | 2610 | sglist = (struct scatterlist *) cmnd->request_buffer; |
2925 | pSCB->SCB_SGLen = dma_map_sg(&pHCB->pci_dev->dev, pSrbSG, | 2611 | cblk->sglen = dma_map_sg(&host->pci_dev->dev, sglist, |
2926 | SCpnt->use_sg, SCpnt->sc_data_direction); | 2612 | cmnd->use_sg, cmnd->sc_data_direction); |
2927 | 2613 | ||
2928 | pSCB->SCB_Flags |= SCF_SG; /* Turn on SG list flag */ | 2614 | cblk->flags |= SCF_SG; /* Turn on SG list flag */ |
2929 | for (i = 0, TotalLen = 0, pSG = &pSCB->SCB_SGList[0]; /* 1.01g */ | 2615 | for (i = 0, total_len = 0, sg = &cblk->sglist[0]; /* 1.01g */ |
2930 | i < pSCB->SCB_SGLen; i++, pSG++, pSrbSG++) { | 2616 | i < cblk->sglen; i++, sg++, sglist++) { |
2931 | pSG->SG_Ptr = cpu_to_le32((u32)sg_dma_address(pSrbSG)); | 2617 | sg->data = cpu_to_le32((u32)sg_dma_address(sglist)); |
2932 | TotalLen += pSG->SG_Len = cpu_to_le32((u32)sg_dma_len(pSrbSG)); | 2618 | total_len += sg->len = cpu_to_le32((u32)sg_dma_len(sglist)); |
2933 | } | 2619 | } |
2934 | 2620 | ||
2935 | pSCB->SCB_BufLen = (SCpnt->request_bufflen > TotalLen) ? | 2621 | cblk->buflen = (cmnd->request_bufflen > total_len) ? |
2936 | TotalLen : SCpnt->request_bufflen; | 2622 | total_len : cmnd->request_bufflen; |
2937 | } else if (SCpnt->request_bufflen) { /* Non SG */ | 2623 | } else if (cmnd->request_bufflen) { /* Non SG */ |
2938 | dma_addr = dma_map_single(&pHCB->pci_dev->dev, SCpnt->request_buffer, | 2624 | dma_addr = dma_map_single(&host->pci_dev->dev, cmnd->request_buffer, |
2939 | SCpnt->request_bufflen, | 2625 | cmnd->request_bufflen, |
2940 | SCpnt->sc_data_direction); | 2626 | cmnd->sc_data_direction); |
2941 | SCpnt->SCp.dma_handle = dma_addr; | 2627 | cmnd->SCp.dma_handle = dma_addr; |
2942 | pSCB->SCB_BufPtr = cpu_to_le32((u32)dma_addr); | 2628 | cblk->bufptr = cpu_to_le32((u32)dma_addr); |
2943 | pSCB->SCB_BufLen = cpu_to_le32((u32)SCpnt->request_bufflen); | 2629 | cblk->buflen = cpu_to_le32((u32)cmnd->request_bufflen); |
2944 | pSCB->SCB_SGLen = 0; | 2630 | cblk->sglen = 0; |
2945 | } else { | 2631 | } else { /* No data transfer required */ |
2946 | pSCB->SCB_BufLen = 0; | 2632 | cblk->buflen = 0; |
2947 | pSCB->SCB_SGLen = 0; | 2633 | cblk->sglen = 0; |
2948 | } | 2634 | } |
2949 | } | 2635 | } |
2636 | |||
2637 | /** | ||
2638 | * i91u_queuecommand - Queue a new command if possible | ||
2639 | * @cmd: SCSI command block from the mid layer | ||
2640 | * @done: Completion handler | ||
2641 | * | ||
2642 | * Attempts to queue a new command with the host adapter. Will return | ||
2643 | * zero if successful or indicate a host busy condition if not (which | ||
2644 | * will cause the mid layer to call us again later with the command) | ||
2645 | */ | ||
2950 | 2646 | ||
2951 | static int i91u_queuecommand(struct scsi_cmnd *cmd, | 2647 | static int i91u_queuecommand(struct scsi_cmnd *cmd, |
2952 | void (*done)(struct scsi_cmnd *)) | 2648 | void (*done)(struct scsi_cmnd *)) |
2953 | { | 2649 | { |
2954 | HCS *pHCB = (HCS *) cmd->device->host->base; | 2650 | struct initio_host *host = (struct initio_host *) cmd->device->host->hostdata; |
2955 | register SCB *pSCB; | 2651 | struct scsi_ctrl_blk *cmnd; |
2956 | 2652 | ||
2957 | cmd->scsi_done = done; | 2653 | cmd->scsi_done = done; |
2958 | 2654 | ||
2959 | pSCB = tul_alloc_scb(pHCB); | 2655 | cmnd = initio_alloc_scb(host); |
2960 | if (!pSCB) | 2656 | if (!cmnd) |
2961 | return SCSI_MLQUEUE_HOST_BUSY; | 2657 | return SCSI_MLQUEUE_HOST_BUSY; |
2962 | 2658 | ||
2963 | i91uBuildSCB(pHCB, pSCB, cmd); | 2659 | initio_build_scb(host, cmnd, cmd); |
2964 | tul_exec_scb(pHCB, pSCB); | 2660 | initio_exec_scb(host, cmnd); |
2965 | return 0; | 2661 | return 0; |
2966 | } | 2662 | } |
2967 | 2663 | ||
2968 | #if 0 /* no new EH yet */ | 2664 | /** |
2969 | /* | 2665 | * i91u_bus_reset - reset the SCSI bus |
2970 | * Abort a queued command | 2666 | * @cmnd: Command block we want to trigger the reset for |
2971 | * (commands that are on the bus can't be aborted easily) | 2667 | * |
2972 | */ | 2668 | * Initiate a SCSI bus reset sequence |
2973 | static int i91u_abort(struct scsi_cmnd * SCpnt) | ||
2974 | { | ||
2975 | HCS *pHCB; | ||
2976 | |||
2977 | pHCB = (HCS *) SCpnt->device->host->base; | ||
2978 | return tul_abort_srb(pHCB, SCpnt); | ||
2979 | } | ||
2980 | |||
2981 | /* | ||
2982 | * Reset registers, reset a hanging bus and | ||
2983 | * kill active and disconnected commands for target w/o soft reset | ||
2984 | */ | 2669 | */ |
2985 | static int i91u_reset(struct scsi_cmnd * SCpnt, unsigned int reset_flags) | ||
2986 | { /* I need Host Control Block Information */ | ||
2987 | HCS *pHCB; | ||
2988 | 2670 | ||
2989 | pHCB = (HCS *) SCpnt->device->host->base; | 2671 | static int i91u_bus_reset(struct scsi_cmnd * cmnd) |
2990 | |||
2991 | if (reset_flags & (SCSI_RESET_SUGGEST_BUS_RESET | SCSI_RESET_SUGGEST_HOST_RESET)) | ||
2992 | return tul_reset_scsi_bus(pHCB); | ||
2993 | else | ||
2994 | return tul_device_reset(pHCB, SCpnt, SCpnt->device->id, reset_flags); | ||
2995 | } | ||
2996 | #endif | ||
2997 | |||
2998 | static int i91u_bus_reset(struct scsi_cmnd * SCpnt) | ||
2999 | { | 2672 | { |
3000 | HCS *pHCB; | 2673 | struct initio_host *host; |
3001 | 2674 | ||
3002 | pHCB = (HCS *) SCpnt->device->host->base; | 2675 | host = (struct initio_host *) cmnd->device->host->hostdata; |
3003 | 2676 | ||
3004 | spin_lock_irq(SCpnt->device->host->host_lock); | 2677 | spin_lock_irq(cmnd->device->host->host_lock); |
3005 | tul_reset_scsi(pHCB, 0); | 2678 | initio_reset_scsi(host, 0); |
3006 | spin_unlock_irq(SCpnt->device->host->host_lock); | 2679 | spin_unlock_irq(cmnd->device->host->host_lock); |
3007 | 2680 | ||
3008 | return SUCCESS; | 2681 | return SUCCESS; |
3009 | } | 2682 | } |
3010 | 2683 | ||
3011 | /* | 2684 | /** |
3012 | * Return the "logical geometry" | 2685 | * i91u_biospararm - return the "logical geometry |
2686 | * @sdev: SCSI device | ||
2687 | * @dev; Matching block device | ||
2688 | * @capacity: Sector size of drive | ||
2689 | * @info_array: Return space for BIOS geometry | ||
2690 | * | ||
2691 | * Map the device geometry in a manner compatible with the host | ||
2692 | * controller BIOS behaviour. | ||
2693 | * | ||
2694 | * FIXME: limited to 2^32 sector devices. | ||
3013 | */ | 2695 | */ |
2696 | |||
3014 | static int i91u_biosparam(struct scsi_device *sdev, struct block_device *dev, | 2697 | static int i91u_biosparam(struct scsi_device *sdev, struct block_device *dev, |
3015 | sector_t capacity, int *info_array) | 2698 | sector_t capacity, int *info_array) |
3016 | { | 2699 | { |
3017 | HCS *pHcb; /* Point to Host adapter control block */ | 2700 | struct initio_host *host; /* Point to Host adapter control block */ |
3018 | TCS *pTcb; | 2701 | struct target_control *tc; |
3019 | 2702 | ||
3020 | pHcb = (HCS *) sdev->host->base; | 2703 | host = (struct initio_host *) sdev->host->hostdata; |
3021 | pTcb = &pHcb->HCS_Tcs[sdev->id]; | 2704 | tc = &host->targets[sdev->id]; |
3022 | 2705 | ||
3023 | if (pTcb->TCS_DrvHead) { | 2706 | if (tc->heads) { |
3024 | info_array[0] = pTcb->TCS_DrvHead; | 2707 | info_array[0] = tc->heads; |
3025 | info_array[1] = pTcb->TCS_DrvSector; | 2708 | info_array[1] = tc->sectors; |
3026 | info_array[2] = (unsigned long)capacity / pTcb->TCS_DrvHead / pTcb->TCS_DrvSector; | 2709 | info_array[2] = (unsigned long)capacity / tc->heads / tc->sectors; |
3027 | } else { | 2710 | } else { |
3028 | if (pTcb->TCS_DrvFlags & TCF_DRV_255_63) { | 2711 | if (tc->drv_flags & TCF_DRV_255_63) { |
3029 | info_array[0] = 255; | 2712 | info_array[0] = 255; |
3030 | info_array[1] = 63; | 2713 | info_array[1] = 63; |
3031 | info_array[2] = (unsigned long)capacity / 255 / 63; | 2714 | info_array[2] = (unsigned long)capacity / 255 / 63; |
@@ -3047,7 +2730,16 @@ static int i91u_biosparam(struct scsi_device *sdev, struct block_device *dev, | |||
3047 | return 0; | 2730 | return 0; |
3048 | } | 2731 | } |
3049 | 2732 | ||
3050 | static void i91u_unmap_cmnd(struct pci_dev *pci_dev, struct scsi_cmnd *cmnd) | 2733 | /** |
2734 | * i91u_unmap_scb - Unmap a command | ||
2735 | * @pci_dev: PCI device the command is for | ||
2736 | * @cmnd: The command itself | ||
2737 | * | ||
2738 | * Unmap any PCI mapping/IOMMU resources allocated when the command | ||
2739 | * was mapped originally as part of initio_build_scb | ||
2740 | */ | ||
2741 | |||
2742 | static void i91u_unmap_scb(struct pci_dev *pci_dev, struct scsi_cmnd *cmnd) | ||
3051 | { | 2743 | { |
3052 | /* auto sense buffer */ | 2744 | /* auto sense buffer */ |
3053 | if (cmnd->SCp.ptr) { | 2745 | if (cmnd->SCp.ptr) { |
@@ -3060,7 +2752,7 @@ static void i91u_unmap_cmnd(struct pci_dev *pci_dev, struct scsi_cmnd *cmnd) | |||
3060 | /* request buffer */ | 2752 | /* request buffer */ |
3061 | if (cmnd->use_sg) { | 2753 | if (cmnd->use_sg) { |
3062 | dma_unmap_single(&pci_dev->dev, cmnd->SCp.dma_handle, | 2754 | dma_unmap_single(&pci_dev->dev, cmnd->SCp.dma_handle, |
3063 | sizeof(struct SG_Struc) * TOTAL_SG_ENTRY, | 2755 | sizeof(struct sg_entry) * TOTAL_SG_ENTRY, |
3064 | DMA_BIDIRECTIONAL); | 2756 | DMA_BIDIRECTIONAL); |
3065 | 2757 | ||
3066 | dma_unmap_sg(&pci_dev->dev, cmnd->request_buffer, | 2758 | dma_unmap_sg(&pci_dev->dev, cmnd->request_buffer, |
@@ -3073,50 +2765,54 @@ static void i91u_unmap_cmnd(struct pci_dev *pci_dev, struct scsi_cmnd *cmnd) | |||
3073 | } | 2765 | } |
3074 | } | 2766 | } |
3075 | 2767 | ||
3076 | /***************************************************************************** | 2768 | /** |
3077 | Function name : i91uSCBPost | 2769 | * i91uSCBPost - SCSI callback |
3078 | Description : This is callback routine be called when tulip finish one | 2770 | * @host: Pointer to host adapter control block. |
3079 | SCSI command. | 2771 | * @cmnd: Pointer to SCSI control block. |
3080 | Input : pHCB - Pointer to host adapter control block. | 2772 | * |
3081 | pSCB - Pointer to SCSI control block. | 2773 | * This is callback routine be called when tulip finish one |
3082 | Output : None. | 2774 | * SCSI command. |
3083 | Return : None. | 2775 | */ |
3084 | *****************************************************************************/ | ||
3085 | static void i91uSCBPost(BYTE * pHcb, BYTE * pScb) | ||
3086 | { | ||
3087 | struct scsi_cmnd *pSRB; /* Pointer to SCSI request block */ | ||
3088 | HCS *pHCB; | ||
3089 | SCB *pSCB; | ||
3090 | 2776 | ||
3091 | pHCB = (HCS *) pHcb; | 2777 | static void i91uSCBPost(u8 * host_mem, u8 * cblk_mem) |
3092 | pSCB = (SCB *) pScb; | 2778 | { |
3093 | if ((pSRB = pSCB->SCB_Srb) == 0) { | 2779 | struct scsi_cmnd *cmnd; /* Pointer to SCSI request block */ |
3094 | printk("i91uSCBPost: SRB pointer is empty\n"); | 2780 | struct initio_host *host; |
2781 | struct scsi_ctrl_blk *cblk; | ||
3095 | 2782 | ||
3096 | tul_release_scb(pHCB, pSCB); /* Release SCB for current channel */ | 2783 | host = (struct initio_host *) host_mem; |
2784 | cblk = (struct scsi_ctrl_blk *) cblk_mem; | ||
2785 | if ((cmnd = cblk->srb) == NULL) { | ||
2786 | printk(KERN_ERR "i91uSCBPost: SRB pointer is empty\n"); | ||
2787 | WARN_ON(1); | ||
2788 | initio_release_scb(host, cblk); /* Release SCB for current channel */ | ||
3097 | return; | 2789 | return; |
3098 | } | 2790 | } |
3099 | switch (pSCB->SCB_HaStat) { | 2791 | |
2792 | /* | ||
2793 | * Remap the firmware error status into a mid layer one | ||
2794 | */ | ||
2795 | switch (cblk->hastat) { | ||
3100 | case 0x0: | 2796 | case 0x0: |
3101 | case 0xa: /* Linked command complete without error and linked normally */ | 2797 | case 0xa: /* Linked command complete without error and linked normally */ |
3102 | case 0xb: /* Linked command complete without error interrupt generated */ | 2798 | case 0xb: /* Linked command complete without error interrupt generated */ |
3103 | pSCB->SCB_HaStat = 0; | 2799 | cblk->hastat = 0; |
3104 | break; | 2800 | break; |
3105 | 2801 | ||
3106 | case 0x11: /* Selection time out-The initiator selection or target | 2802 | case 0x11: /* Selection time out-The initiator selection or target |
3107 | reselection was not complete within the SCSI Time out period */ | 2803 | reselection was not complete within the SCSI Time out period */ |
3108 | pSCB->SCB_HaStat = DID_TIME_OUT; | 2804 | cblk->hastat = DID_TIME_OUT; |
3109 | break; | 2805 | break; |
3110 | 2806 | ||
3111 | case 0x14: /* Target bus phase sequence failure-An invalid bus phase or bus | 2807 | case 0x14: /* Target bus phase sequence failure-An invalid bus phase or bus |
3112 | phase sequence was requested by the target. The host adapter | 2808 | phase sequence was requested by the target. The host adapter |
3113 | will generate a SCSI Reset Condition, notifying the host with | 2809 | will generate a SCSI Reset Condition, notifying the host with |
3114 | a SCRD interrupt */ | 2810 | a SCRD interrupt */ |
3115 | pSCB->SCB_HaStat = DID_RESET; | 2811 | cblk->hastat = DID_RESET; |
3116 | break; | 2812 | break; |
3117 | 2813 | ||
3118 | case 0x1a: /* SCB Aborted. 07/21/98 */ | 2814 | case 0x1a: /* SCB Aborted. 07/21/98 */ |
3119 | pSCB->SCB_HaStat = DID_ABORT; | 2815 | cblk->hastat = DID_ABORT; |
3120 | break; | 2816 | break; |
3121 | 2817 | ||
3122 | case 0x12: /* Data overrun/underrun-The target attempted to transfer more data | 2818 | case 0x12: /* Data overrun/underrun-The target attempted to transfer more data |
@@ -3126,49 +2822,196 @@ static void i91uSCBPost(BYTE * pHcb, BYTE * pScb) | |||
3126 | case 0x16: /* Invalid SCB Operation Code. */ | 2822 | case 0x16: /* Invalid SCB Operation Code. */ |
3127 | 2823 | ||
3128 | default: | 2824 | default: |
3129 | printk("ini9100u: %x %x\n", pSCB->SCB_HaStat, pSCB->SCB_TaStat); | 2825 | printk("ini9100u: %x %x\n", cblk->hastat, cblk->tastat); |
3130 | pSCB->SCB_HaStat = DID_ERROR; /* Couldn't find any better */ | 2826 | cblk->hastat = DID_ERROR; /* Couldn't find any better */ |
3131 | break; | 2827 | break; |
3132 | } | 2828 | } |
3133 | 2829 | ||
3134 | pSRB->result = pSCB->SCB_TaStat | (pSCB->SCB_HaStat << 16); | 2830 | cmnd->result = cblk->tastat | (cblk->hastat << 16); |
2831 | WARN_ON(cmnd == NULL); | ||
2832 | i91u_unmap_scb(host->pci_dev, cmnd); | ||
2833 | cmnd->scsi_done(cmnd); /* Notify system DONE */ | ||
2834 | initio_release_scb(host, cblk); /* Release SCB for current channel */ | ||
2835 | } | ||
2836 | |||
2837 | static struct scsi_host_template initio_template = { | ||
2838 | .proc_name = "INI9100U", | ||
2839 | .name = "Initio INI-9X00U/UW SCSI device driver", | ||
2840 | .queuecommand = i91u_queuecommand, | ||
2841 | .eh_bus_reset_handler = i91u_bus_reset, | ||
2842 | .bios_param = i91u_biosparam, | ||
2843 | .can_queue = MAX_TARGETS * i91u_MAXQUEUE, | ||
2844 | .this_id = 1, | ||
2845 | .sg_tablesize = SG_ALL, | ||
2846 | .cmd_per_lun = 1, | ||
2847 | .use_clustering = ENABLE_CLUSTERING, | ||
2848 | }; | ||
2849 | |||
2850 | static int initio_probe_one(struct pci_dev *pdev, | ||
2851 | const struct pci_device_id *id) | ||
2852 | { | ||
2853 | struct Scsi_Host *shost; | ||
2854 | struct initio_host *host; | ||
2855 | u32 reg; | ||
2856 | u16 bios_seg; | ||
2857 | struct scsi_ctrl_blk *scb, *tmp, *prev = NULL /* silence gcc */; | ||
2858 | int num_scb, i, error; | ||
2859 | |||
2860 | error = pci_enable_device(pdev); | ||
2861 | if (error) | ||
2862 | return error; | ||
2863 | |||
2864 | pci_read_config_dword(pdev, 0x44, (u32 *) & reg); | ||
2865 | bios_seg = (u16) (reg & 0xFF); | ||
2866 | if (((reg & 0xFF00) >> 8) == 0xFF) | ||
2867 | reg = 0; | ||
2868 | bios_seg = (bios_seg << 8) + ((u16) ((reg & 0xFF00) >> 8)); | ||
2869 | |||
2870 | if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) { | ||
2871 | printk(KERN_WARNING "i91u: Could not set 32 bit DMA mask\n"); | ||
2872 | error = -ENODEV; | ||
2873 | goto out_disable_device; | ||
2874 | } | ||
2875 | shost = scsi_host_alloc(&initio_template, sizeof(struct initio_host)); | ||
2876 | if (!shost) { | ||
2877 | printk(KERN_WARNING "initio: Could not allocate host structure.\n"); | ||
2878 | error = -ENOMEM; | ||
2879 | goto out_disable_device; | ||
2880 | } | ||
2881 | host = (struct initio_host *)shost->hostdata; | ||
2882 | memset(host, 0, sizeof(struct initio_host)); | ||
3135 | 2883 | ||
3136 | if (pSRB == NULL) { | 2884 | if (!request_region(host->addr, 256, "i91u")) { |
3137 | printk("pSRB is NULL\n"); | 2885 | printk(KERN_WARNING "initio: I/O port range 0x%x is busy.\n", host->addr); |
2886 | error = -ENODEV; | ||
2887 | goto out_host_put; | ||
3138 | } | 2888 | } |
3139 | 2889 | ||
3140 | i91u_unmap_cmnd(pHCB->pci_dev, pSRB); | 2890 | if (initio_tag_enable) /* 1.01i */ |
3141 | pSRB->scsi_done(pSRB); /* Notify system DONE */ | 2891 | num_scb = MAX_TARGETS * i91u_MAXQUEUE; |
2892 | else | ||
2893 | num_scb = MAX_TARGETS + 3; /* 1-tape, 1-CD_ROM, 1- extra */ | ||
3142 | 2894 | ||
3143 | tul_release_scb(pHCB, pSCB); /* Release SCB for current channel */ | 2895 | for (; num_scb >= MAX_TARGETS + 3; num_scb--) { |
3144 | } | 2896 | i = num_scb * sizeof(struct scsi_ctrl_blk); |
2897 | if ((scb = kzalloc(i, GFP_DMA)) != NULL) | ||
2898 | break; | ||
2899 | } | ||
2900 | |||
2901 | if (!scb) { | ||
2902 | printk(KERN_WARNING "initio: Cannot allocate SCB array.\n"); | ||
2903 | error = -ENOMEM; | ||
2904 | goto out_release_region; | ||
2905 | } | ||
3145 | 2906 | ||
3146 | /* | 2907 | host->num_scbs = num_scb; |
3147 | * Release ressources | 2908 | host->scb = scb; |
2909 | host->next_pending = scb; | ||
2910 | host->next_avail = scb; | ||
2911 | for (i = 0, tmp = scb; i < num_scb; i++, tmp++) { | ||
2912 | tmp->tagid = i; | ||
2913 | if (i != 0) | ||
2914 | prev->next = tmp; | ||
2915 | prev = tmp; | ||
2916 | } | ||
2917 | prev->next = NULL; | ||
2918 | host->scb_end = tmp; | ||
2919 | host->first_avail = scb; | ||
2920 | host->last_avail = prev; | ||
2921 | |||
2922 | initio_init(host, phys_to_virt(bios_seg << 4)); | ||
2923 | |||
2924 | host->jsstatus0 = 0; | ||
2925 | |||
2926 | shost->io_port = host->addr; | ||
2927 | shost->n_io_port = 0xff; | ||
2928 | shost->can_queue = num_scb; /* 03/05/98 */ | ||
2929 | shost->unique_id = host->addr; | ||
2930 | shost->max_id = host->max_tar; | ||
2931 | shost->max_lun = 32; /* 10/21/97 */ | ||
2932 | shost->irq = pdev->irq; | ||
2933 | shost->this_id = host->scsi_id; /* Assign HCS index */ | ||
2934 | shost->base = host->addr; | ||
2935 | shost->sg_tablesize = TOTAL_SG_ENTRY; | ||
2936 | |||
2937 | error = request_irq(pdev->irq, i91u_intr, IRQF_DISABLED|IRQF_SHARED, "i91u", shost); | ||
2938 | if (error < 0) { | ||
2939 | printk(KERN_WARNING "initio: Unable to request IRQ %d\n", pdev->irq); | ||
2940 | goto out_free_scbs; | ||
2941 | } | ||
2942 | |||
2943 | pci_set_drvdata(pdev, shost); | ||
2944 | host->pci_dev = pdev; | ||
2945 | |||
2946 | error = scsi_add_host(shost, &pdev->dev); | ||
2947 | if (error) | ||
2948 | goto out_free_irq; | ||
2949 | scsi_scan_host(shost); | ||
2950 | return 0; | ||
2951 | out_free_irq: | ||
2952 | free_irq(pdev->irq, shost); | ||
2953 | out_free_scbs: | ||
2954 | kfree(host->scb); | ||
2955 | out_release_region: | ||
2956 | release_region(host->addr, 256); | ||
2957 | out_host_put: | ||
2958 | scsi_host_put(shost); | ||
2959 | out_disable_device: | ||
2960 | pci_disable_device(pdev); | ||
2961 | return error; | ||
2962 | } | ||
2963 | |||
2964 | /** | ||
2965 | * initio_remove_one - control shutdown | ||
2966 | * @pdev: PCI device being released | ||
2967 | * | ||
2968 | * Release the resources assigned to this adapter after it has | ||
2969 | * finished being used. | ||
3148 | */ | 2970 | */ |
3149 | static int i91u_release(struct Scsi_Host *hreg) | 2971 | |
2972 | static void initio_remove_one(struct pci_dev *pdev) | ||
3150 | { | 2973 | { |
3151 | free_irq(hreg->irq, hreg); | 2974 | struct Scsi_Host *host = pci_get_drvdata(pdev); |
3152 | release_region(hreg->io_port, 256); | 2975 | struct initio_host *s = (struct initio_host *)host->hostdata; |
3153 | return 0; | 2976 | scsi_remove_host(host); |
2977 | free_irq(pdev->irq, host); | ||
2978 | release_region(s->addr, 256); | ||
2979 | scsi_host_put(host); | ||
2980 | pci_disable_device(pdev); | ||
3154 | } | 2981 | } |
3155 | MODULE_LICENSE("Dual BSD/GPL"); | 2982 | |
3156 | 2983 | MODULE_LICENSE("GPL"); | |
3157 | static struct scsi_host_template driver_template = { | 2984 | |
3158 | .proc_name = "INI9100U", | 2985 | static struct pci_device_id initio_pci_tbl[] = { |
3159 | .name = i91u_REVID, | 2986 | {PCI_VENDOR_ID_INIT, 0x9500, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
3160 | .detect = i91u_detect, | 2987 | {PCI_VENDOR_ID_INIT, 0x9400, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
3161 | .release = i91u_release, | 2988 | {PCI_VENDOR_ID_INIT, 0x9401, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
3162 | .queuecommand = i91u_queuecommand, | 2989 | {PCI_VENDOR_ID_INIT, 0x0002, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
3163 | // .abort = i91u_abort, | 2990 | {PCI_VENDOR_ID_DOMEX, 0x0002, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
3164 | // .reset = i91u_reset, | 2991 | {0,} |
3165 | .eh_bus_reset_handler = i91u_bus_reset, | 2992 | }; |
3166 | .bios_param = i91u_biosparam, | 2993 | MODULE_DEVICE_TABLE(pci, initio_pci_tbl); |
3167 | .can_queue = 1, | 2994 | |
3168 | .this_id = 1, | 2995 | static struct pci_driver initio_pci_driver = { |
3169 | .sg_tablesize = SG_ALL, | 2996 | .name = "initio", |
3170 | .cmd_per_lun = 1, | 2997 | .id_table = initio_pci_tbl, |
3171 | .use_clustering = ENABLE_CLUSTERING, | 2998 | .probe = initio_probe_one, |
2999 | .remove = __devexit_p(initio_remove_one), | ||
3172 | }; | 3000 | }; |
3173 | #include "scsi_module.c" | ||
3174 | 3001 | ||
3002 | static int __init initio_init_driver(void) | ||
3003 | { | ||
3004 | return pci_register_driver(&initio_pci_driver); | ||
3005 | } | ||
3006 | |||
3007 | static void __exit initio_exit_driver(void) | ||
3008 | { | ||
3009 | pci_unregister_driver(&initio_pci_driver); | ||
3010 | } | ||
3011 | |||
3012 | MODULE_DESCRIPTION("Initio INI-9X00U/UW SCSI device driver"); | ||
3013 | MODULE_AUTHOR("Initio Corporation"); | ||
3014 | MODULE_LICENSE("GPL"); | ||
3015 | |||
3016 | module_init(initio_init_driver); | ||
3017 | module_exit(initio_exit_driver); | ||
diff --git a/drivers/scsi/initio.h b/drivers/scsi/initio.h index acb67a4af2cc..cb48efa81fe2 100644 --- a/drivers/scsi/initio.h +++ b/drivers/scsi/initio.h | |||
@@ -4,6 +4,8 @@ | |||
4 | * Copyright (c) 1994-1998 Initio Corporation | 4 | * Copyright (c) 1994-1998 Initio Corporation |
5 | * All rights reserved. | 5 | * All rights reserved. |
6 | * | 6 | * |
7 | * Cleanups (c) Copyright 2007 Red Hat <alan@redhat.com> | ||
8 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | 9 | * 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 | 10 | * 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) | 11 | * the Free Software Foundation; either version 2, or (at your option) |
@@ -18,27 +20,6 @@ | |||
18 | * along with this program; see the file COPYING. If not, write to | 20 | * 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 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | * | 22 | * |
21 | * -------------------------------------------------------------------------- | ||
22 | * | ||
23 | * Redistribution and use in source and binary forms, with or without | ||
24 | * modification, are permitted provided that the following conditions | ||
25 | * are met: | ||
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. | ||
34 | * | ||
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. | ||
41 | * | ||
42 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | 23 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
43 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 24 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
44 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | 25 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
@@ -56,17 +37,6 @@ | |||
56 | 37 | ||
57 | #include <linux/types.h> | 38 | #include <linux/types.h> |
58 | 39 | ||
59 | #define ULONG unsigned long | ||
60 | #define USHORT unsigned short | ||
61 | #define UCHAR unsigned char | ||
62 | #define BYTE unsigned char | ||
63 | #define WORD unsigned short | ||
64 | #define DWORD unsigned long | ||
65 | #define UBYTE unsigned char | ||
66 | #define UWORD unsigned short | ||
67 | #define UDWORD unsigned long | ||
68 | #define U32 u32 | ||
69 | |||
70 | #define TOTAL_SG_ENTRY 32 | 40 | #define TOTAL_SG_ENTRY 32 |
71 | #define MAX_SUPPORTED_ADAPTERS 8 | 41 | #define MAX_SUPPORTED_ADAPTERS 8 |
72 | #define MAX_OFFSET 15 | 42 | #define MAX_OFFSET 15 |
@@ -368,55 +338,55 @@ typedef struct { | |||
368 | /************************************************************************/ | 338 | /************************************************************************/ |
369 | /* Scatter-Gather Element Structure */ | 339 | /* Scatter-Gather Element Structure */ |
370 | /************************************************************************/ | 340 | /************************************************************************/ |
371 | typedef struct SG_Struc { | 341 | struct sg_entry { |
372 | U32 SG_Ptr; /* Data Pointer */ | 342 | u32 data; /* Data Pointer */ |
373 | U32 SG_Len; /* Data Length */ | 343 | u32 len; /* Data Length */ |
374 | } SG; | 344 | }; |
375 | 345 | ||
376 | /*********************************************************************** | 346 | /*********************************************************************** |
377 | SCSI Control Block | 347 | SCSI Control Block |
378 | ************************************************************************/ | 348 | ************************************************************************/ |
379 | typedef struct Scsi_Ctrl_Blk { | 349 | struct scsi_ctrl_blk { |
380 | struct Scsi_Ctrl_Blk *SCB_NxtScb; | 350 | struct scsi_ctrl_blk *next; |
381 | UBYTE SCB_Status; /*4 */ | 351 | u8 status; /*4 */ |
382 | UBYTE SCB_NxtStat; /*5 */ | 352 | u8 next_state; /*5 */ |
383 | UBYTE SCB_Mode; /*6 */ | 353 | u8 mode; /*6 */ |
384 | UBYTE SCB_Msgin; /*7 SCB_Res0 */ | 354 | u8 msgin; /*7 SCB_Res0 */ |
385 | UWORD SCB_SGIdx; /*8 */ | 355 | u16 sgidx; /*8 */ |
386 | UWORD SCB_SGMax; /*A */ | 356 | u16 sgmax; /*A */ |
387 | #ifdef ALPHA | 357 | #ifdef ALPHA |
388 | U32 SCB_Reserved[2]; /*C */ | 358 | u32 reserved[2]; /*C */ |
389 | #else | 359 | #else |
390 | U32 SCB_Reserved[3]; /*C */ | 360 | u32 reserved[3]; /*C */ |
391 | #endif | 361 | #endif |
392 | 362 | ||
393 | U32 SCB_XferLen; /*18 Current xfer len */ | 363 | u32 xferlen; /*18 Current xfer len */ |
394 | U32 SCB_TotXLen; /*1C Total xfer len */ | 364 | u32 totxlen; /*1C Total xfer len */ |
395 | U32 SCB_PAddr; /*20 SCB phy. Addr. */ | 365 | u32 paddr; /*20 SCB phy. Addr. */ |
396 | 366 | ||
397 | UBYTE SCB_Opcode; /*24 SCB command code */ | 367 | u8 opcode; /*24 SCB command code */ |
398 | UBYTE SCB_Flags; /*25 SCB Flags */ | 368 | u8 flags; /*25 SCB Flags */ |
399 | UBYTE SCB_Target; /*26 Target Id */ | 369 | u8 target; /*26 Target Id */ |
400 | UBYTE SCB_Lun; /*27 Lun */ | 370 | u8 lun; /*27 Lun */ |
401 | U32 SCB_BufPtr; /*28 Data Buffer Pointer */ | 371 | u32 bufptr; /*28 Data Buffer Pointer */ |
402 | U32 SCB_BufLen; /*2C Data Allocation Length */ | 372 | u32 buflen; /*2C Data Allocation Length */ |
403 | UBYTE SCB_SGLen; /*30 SG list # */ | 373 | u8 sglen; /*30 SG list # */ |
404 | UBYTE SCB_SenseLen; /*31 Sense Allocation Length */ | 374 | u8 senselen; /*31 Sense Allocation Length */ |
405 | UBYTE SCB_HaStat; /*32 */ | 375 | u8 hastat; /*32 */ |
406 | UBYTE SCB_TaStat; /*33 */ | 376 | u8 tastat; /*33 */ |
407 | UBYTE SCB_CDBLen; /*34 CDB Length */ | 377 | u8 cdblen; /*34 CDB Length */ |
408 | UBYTE SCB_Ident; /*35 Identify */ | 378 | u8 ident; /*35 Identify */ |
409 | UBYTE SCB_TagMsg; /*36 Tag Message */ | 379 | u8 tagmsg; /*36 Tag Message */ |
410 | UBYTE SCB_TagId; /*37 Queue Tag */ | 380 | u8 tagid; /*37 Queue Tag */ |
411 | UBYTE SCB_CDB[12]; /*38 */ | 381 | u8 cdb[12]; /*38 */ |
412 | U32 SCB_SGPAddr; /*44 SG List/Sense Buf phy. Addr. */ | 382 | u32 sgpaddr; /*44 SG List/Sense Buf phy. Addr. */ |
413 | U32 SCB_SensePtr; /*48 Sense data pointer */ | 383 | u32 senseptr; /*48 Sense data pointer */ |
414 | void (*SCB_Post) (BYTE *, BYTE *); /*4C POST routine */ | 384 | void (*post) (u8 *, u8 *); /*4C POST routine */ |
415 | struct scsi_cmnd *SCB_Srb; /*50 SRB Pointer */ | 385 | struct scsi_cmnd *srb; /*50 SRB Pointer */ |
416 | SG SCB_SGList[TOTAL_SG_ENTRY]; /*54 Start of SG list */ | 386 | struct sg_entry sglist[TOTAL_SG_ENTRY]; /*54 Start of SG list */ |
417 | } SCB; | 387 | }; |
418 | 388 | ||
419 | /* Bit Definition for SCB_Status */ | 389 | /* Bit Definition for status */ |
420 | #define SCB_RENT 0x01 | 390 | #define SCB_RENT 0x01 |
421 | #define SCB_PEND 0x02 | 391 | #define SCB_PEND 0x02 |
422 | #define SCB_CONTIG 0x04 /* Contigent Allegiance */ | 392 | #define SCB_CONTIG 0x04 /* Contigent Allegiance */ |
@@ -425,17 +395,17 @@ typedef struct Scsi_Ctrl_Blk { | |||
425 | #define SCB_DONE 0x20 | 395 | #define SCB_DONE 0x20 |
426 | 396 | ||
427 | 397 | ||
428 | /* Opcodes of SCB_Opcode */ | 398 | /* Opcodes for opcode */ |
429 | #define ExecSCSI 0x1 | 399 | #define ExecSCSI 0x1 |
430 | #define BusDevRst 0x2 | 400 | #define BusDevRst 0x2 |
431 | #define AbortCmd 0x3 | 401 | #define AbortCmd 0x3 |
432 | 402 | ||
433 | 403 | ||
434 | /* Bit Definition for SCB_Mode */ | 404 | /* Bit Definition for mode */ |
435 | #define SCM_RSENS 0x01 /* request sense mode */ | 405 | #define SCM_RSENS 0x01 /* request sense mode */ |
436 | 406 | ||
437 | 407 | ||
438 | /* Bit Definition for SCB_Flags */ | 408 | /* Bit Definition for flags */ |
439 | #define SCF_DONE 0x01 | 409 | #define SCF_DONE 0x01 |
440 | #define SCF_POST 0x02 | 410 | #define SCF_POST 0x02 |
441 | #define SCF_SENSE 0x04 | 411 | #define SCF_SENSE 0x04 |
@@ -492,15 +462,14 @@ typedef struct Scsi_Ctrl_Blk { | |||
492 | Target Device Control Structure | 462 | Target Device Control Structure |
493 | **********************************************************************/ | 463 | **********************************************************************/ |
494 | 464 | ||
495 | typedef struct Tar_Ctrl_Struc { | 465 | struct target_control { |
496 | UWORD TCS_Flags; /* 0 */ | 466 | u16 flags; |
497 | UBYTE TCS_JS_Period; /* 2 */ | 467 | u8 js_period; |
498 | UBYTE TCS_SConfig0; /* 3 */ | 468 | u8 sconfig0; |
499 | 469 | u16 drv_flags; | |
500 | UWORD TCS_DrvFlags; /* 4 */ | 470 | u8 heads; |
501 | UBYTE TCS_DrvHead; /* 6 */ | 471 | u8 sectors; |
502 | UBYTE TCS_DrvSector; /* 7 */ | 472 | }; |
503 | } TCS; | ||
504 | 473 | ||
505 | /*********************************************************************** | 474 | /*********************************************************************** |
506 | Target Device Control Structure | 475 | Target Device Control Structure |
@@ -523,62 +492,53 @@ typedef struct Tar_Ctrl_Struc { | |||
523 | #define TCF_DRV_EN_TAG 0x0800 | 492 | #define TCF_DRV_EN_TAG 0x0800 |
524 | #define TCF_DRV_255_63 0x0400 | 493 | #define TCF_DRV_255_63 0x0400 |
525 | 494 | ||
526 | typedef struct I91u_Adpt_Struc { | ||
527 | UWORD ADPT_BIOS; /* 0 */ | ||
528 | UWORD ADPT_BASE; /* 1 */ | ||
529 | UBYTE ADPT_Bus; /* 2 */ | ||
530 | UBYTE ADPT_Device; /* 3 */ | ||
531 | UBYTE ADPT_INTR; /* 4 */ | ||
532 | } INI_ADPT_STRUCT; | ||
533 | |||
534 | |||
535 | /*********************************************************************** | 495 | /*********************************************************************** |
536 | Host Adapter Control Structure | 496 | Host Adapter Control Structure |
537 | ************************************************************************/ | 497 | ************************************************************************/ |
538 | typedef struct Ha_Ctrl_Struc { | 498 | struct initio_host { |
539 | UWORD HCS_Base; /* 00 */ | 499 | u16 addr; /* 00 */ |
540 | UWORD HCS_BIOS; /* 02 */ | 500 | u16 bios_addr; /* 02 */ |
541 | UBYTE HCS_Intr; /* 04 */ | 501 | u8 irq; /* 04 */ |
542 | UBYTE HCS_SCSI_ID; /* 05 */ | 502 | u8 scsi_id; /* 05 */ |
543 | UBYTE HCS_MaxTar; /* 06 */ | 503 | u8 max_tar; /* 06 */ |
544 | UBYTE HCS_NumScbs; /* 07 */ | 504 | u8 num_scbs; /* 07 */ |
545 | 505 | ||
546 | UBYTE HCS_Flags; /* 08 */ | 506 | u8 flags; /* 08 */ |
547 | UBYTE HCS_Index; /* 09 */ | 507 | u8 index; /* 09 */ |
548 | UBYTE HCS_HaId; /* 0A */ | 508 | u8 ha_id; /* 0A */ |
549 | UBYTE HCS_Config; /* 0B */ | 509 | u8 config; /* 0B */ |
550 | UWORD HCS_IdMask; /* 0C */ | 510 | u16 idmask; /* 0C */ |
551 | UBYTE HCS_Semaph; /* 0E */ | 511 | u8 semaph; /* 0E */ |
552 | UBYTE HCS_Phase; /* 0F */ | 512 | u8 phase; /* 0F */ |
553 | UBYTE HCS_JSStatus0; /* 10 */ | 513 | u8 jsstatus0; /* 10 */ |
554 | UBYTE HCS_JSInt; /* 11 */ | 514 | u8 jsint; /* 11 */ |
555 | UBYTE HCS_JSStatus1; /* 12 */ | 515 | u8 jsstatus1; /* 12 */ |
556 | UBYTE HCS_SConf1; /* 13 */ | 516 | u8 sconf1; /* 13 */ |
557 | 517 | ||
558 | UBYTE HCS_Msg[8]; /* 14 */ | 518 | u8 msg[8]; /* 14 */ |
559 | SCB *HCS_NxtAvail; /* 1C */ | 519 | struct scsi_ctrl_blk *next_avail; /* 1C */ |
560 | SCB *HCS_Scb; /* 20 */ | 520 | struct scsi_ctrl_blk *scb; /* 20 */ |
561 | SCB *HCS_ScbEnd; /* 24 */ | 521 | struct scsi_ctrl_blk *scb_end; /* 24 */ /*UNUSED*/ |
562 | SCB *HCS_NxtPend; /* 28 */ | 522 | struct scsi_ctrl_blk *next_pending; /* 28 */ |
563 | SCB *HCS_NxtContig; /* 2C */ | 523 | struct scsi_ctrl_blk *next_contig; /* 2C */ /*UNUSED*/ |
564 | SCB *HCS_ActScb; /* 30 */ | 524 | struct scsi_ctrl_blk *active; /* 30 */ |
565 | TCS *HCS_ActTcs; /* 34 */ | 525 | struct target_control *active_tc; /* 34 */ |
566 | 526 | ||
567 | SCB *HCS_FirstAvail; /* 38 */ | 527 | struct scsi_ctrl_blk *first_avail; /* 38 */ |
568 | SCB *HCS_LastAvail; /* 3C */ | 528 | struct scsi_ctrl_blk *last_avail; /* 3C */ |
569 | SCB *HCS_FirstPend; /* 40 */ | 529 | struct scsi_ctrl_blk *first_pending; /* 40 */ |
570 | SCB *HCS_LastPend; /* 44 */ | 530 | struct scsi_ctrl_blk *last_pending; /* 44 */ |
571 | SCB *HCS_FirstBusy; /* 48 */ | 531 | struct scsi_ctrl_blk *first_busy; /* 48 */ |
572 | SCB *HCS_LastBusy; /* 4C */ | 532 | struct scsi_ctrl_blk *last_busy; /* 4C */ |
573 | SCB *HCS_FirstDone; /* 50 */ | 533 | struct scsi_ctrl_blk *first_done; /* 50 */ |
574 | SCB *HCS_LastDone; /* 54 */ | 534 | struct scsi_ctrl_blk *last_done; /* 54 */ |
575 | UBYTE HCS_MaxTags[16]; /* 58 */ | 535 | u8 max_tags[16]; /* 58 */ |
576 | UBYTE HCS_ActTags[16]; /* 68 */ | 536 | u8 act_tags[16]; /* 68 */ |
577 | TCS HCS_Tcs[MAX_TARGETS]; /* 78 */ | 537 | struct target_control targets[MAX_TARGETS]; /* 78 */ |
578 | spinlock_t HCS_AvailLock; | 538 | spinlock_t avail_lock; |
579 | spinlock_t HCS_SemaphLock; | 539 | spinlock_t semaph_lock; |
580 | struct pci_dev *pci_dev; | 540 | struct pci_dev *pci_dev; |
581 | } HCS; | 541 | }; |
582 | 542 | ||
583 | /* Bit Definition for HCB_Config */ | 543 | /* Bit Definition for HCB_Config */ |
584 | #define HCC_SCSI_RESET 0x01 | 544 | #define HCC_SCSI_RESET 0x01 |
@@ -599,47 +559,47 @@ typedef struct Ha_Ctrl_Struc { | |||
599 | *******************************************************************/ | 559 | *******************************************************************/ |
600 | 560 | ||
601 | typedef struct _NVRAM_SCSI { /* SCSI channel configuration */ | 561 | typedef struct _NVRAM_SCSI { /* SCSI channel configuration */ |
602 | UCHAR NVM_ChSCSIID; /* 0Ch -> Channel SCSI ID */ | 562 | u8 NVM_ChSCSIID; /* 0Ch -> Channel SCSI ID */ |
603 | UCHAR NVM_ChConfig1; /* 0Dh -> Channel config 1 */ | 563 | u8 NVM_ChConfig1; /* 0Dh -> Channel config 1 */ |
604 | UCHAR NVM_ChConfig2; /* 0Eh -> Channel config 2 */ | 564 | u8 NVM_ChConfig2; /* 0Eh -> Channel config 2 */ |
605 | UCHAR NVM_NumOfTarg; /* 0Fh -> Number of SCSI target */ | 565 | u8 NVM_NumOfTarg; /* 0Fh -> Number of SCSI target */ |
606 | /* SCSI target configuration */ | 566 | /* SCSI target configuration */ |
607 | UCHAR NVM_Targ0Config; /* 10h -> Target 0 configuration */ | 567 | u8 NVM_Targ0Config; /* 10h -> Target 0 configuration */ |
608 | UCHAR NVM_Targ1Config; /* 11h -> Target 1 configuration */ | 568 | u8 NVM_Targ1Config; /* 11h -> Target 1 configuration */ |
609 | UCHAR NVM_Targ2Config; /* 12h -> Target 2 configuration */ | 569 | u8 NVM_Targ2Config; /* 12h -> Target 2 configuration */ |
610 | UCHAR NVM_Targ3Config; /* 13h -> Target 3 configuration */ | 570 | u8 NVM_Targ3Config; /* 13h -> Target 3 configuration */ |
611 | UCHAR NVM_Targ4Config; /* 14h -> Target 4 configuration */ | 571 | u8 NVM_Targ4Config; /* 14h -> Target 4 configuration */ |
612 | UCHAR NVM_Targ5Config; /* 15h -> Target 5 configuration */ | 572 | u8 NVM_Targ5Config; /* 15h -> Target 5 configuration */ |
613 | UCHAR NVM_Targ6Config; /* 16h -> Target 6 configuration */ | 573 | u8 NVM_Targ6Config; /* 16h -> Target 6 configuration */ |
614 | UCHAR NVM_Targ7Config; /* 17h -> Target 7 configuration */ | 574 | u8 NVM_Targ7Config; /* 17h -> Target 7 configuration */ |
615 | UCHAR NVM_Targ8Config; /* 18h -> Target 8 configuration */ | 575 | u8 NVM_Targ8Config; /* 18h -> Target 8 configuration */ |
616 | UCHAR NVM_Targ9Config; /* 19h -> Target 9 configuration */ | 576 | u8 NVM_Targ9Config; /* 19h -> Target 9 configuration */ |
617 | UCHAR NVM_TargAConfig; /* 1Ah -> Target A configuration */ | 577 | u8 NVM_TargAConfig; /* 1Ah -> Target A configuration */ |
618 | UCHAR NVM_TargBConfig; /* 1Bh -> Target B configuration */ | 578 | u8 NVM_TargBConfig; /* 1Bh -> Target B configuration */ |
619 | UCHAR NVM_TargCConfig; /* 1Ch -> Target C configuration */ | 579 | u8 NVM_TargCConfig; /* 1Ch -> Target C configuration */ |
620 | UCHAR NVM_TargDConfig; /* 1Dh -> Target D configuration */ | 580 | u8 NVM_TargDConfig; /* 1Dh -> Target D configuration */ |
621 | UCHAR NVM_TargEConfig; /* 1Eh -> Target E configuration */ | 581 | u8 NVM_TargEConfig; /* 1Eh -> Target E configuration */ |
622 | UCHAR NVM_TargFConfig; /* 1Fh -> Target F configuration */ | 582 | u8 NVM_TargFConfig; /* 1Fh -> Target F configuration */ |
623 | } NVRAM_SCSI; | 583 | } NVRAM_SCSI; |
624 | 584 | ||
625 | typedef struct _NVRAM { | 585 | typedef struct _NVRAM { |
626 | /*----------header ---------------*/ | 586 | /*----------header ---------------*/ |
627 | USHORT NVM_Signature; /* 0,1: Signature */ | 587 | u16 NVM_Signature; /* 0,1: Signature */ |
628 | UCHAR NVM_Size; /* 2: Size of data structure */ | 588 | u8 NVM_Size; /* 2: Size of data structure */ |
629 | UCHAR NVM_Revision; /* 3: Revision of data structure */ | 589 | u8 NVM_Revision; /* 3: Revision of data structure */ |
630 | /* ----Host Adapter Structure ---- */ | 590 | /* ----Host Adapter Structure ---- */ |
631 | UCHAR NVM_ModelByte0; /* 4: Model number (byte 0) */ | 591 | u8 NVM_ModelByte0; /* 4: Model number (byte 0) */ |
632 | UCHAR NVM_ModelByte1; /* 5: Model number (byte 1) */ | 592 | u8 NVM_ModelByte1; /* 5: Model number (byte 1) */ |
633 | UCHAR NVM_ModelInfo; /* 6: Model information */ | 593 | u8 NVM_ModelInfo; /* 6: Model information */ |
634 | UCHAR NVM_NumOfCh; /* 7: Number of SCSI channel */ | 594 | u8 NVM_NumOfCh; /* 7: Number of SCSI channel */ |
635 | UCHAR NVM_BIOSConfig1; /* 8: BIOS configuration 1 */ | 595 | u8 NVM_BIOSConfig1; /* 8: BIOS configuration 1 */ |
636 | UCHAR NVM_BIOSConfig2; /* 9: BIOS configuration 2 */ | 596 | u8 NVM_BIOSConfig2; /* 9: BIOS configuration 2 */ |
637 | UCHAR NVM_HAConfig1; /* A: Hoat adapter configuration 1 */ | 597 | u8 NVM_HAConfig1; /* A: Hoat adapter configuration 1 */ |
638 | UCHAR NVM_HAConfig2; /* B: Hoat adapter configuration 2 */ | 598 | u8 NVM_HAConfig2; /* B: Hoat adapter configuration 2 */ |
639 | NVRAM_SCSI NVM_SCSIInfo[2]; | 599 | NVRAM_SCSI NVM_SCSIInfo[2]; |
640 | UCHAR NVM_reserved[10]; | 600 | u8 NVM_reserved[10]; |
641 | /* ---------- CheckSum ---------- */ | 601 | /* ---------- CheckSum ---------- */ |
642 | USHORT NVM_CheckSum; /* 0x3E, 0x3F: Checksum of NVRam */ | 602 | u16 NVM_CheckSum; /* 0x3E, 0x3F: Checksum of NVRam */ |
643 | } NVRAM, *PNVRAM; | 603 | } NVRAM, *PNVRAM; |
644 | 604 | ||
645 | /* Bios Configuration for nvram->BIOSConfig1 */ | 605 | /* Bios Configuration for nvram->BIOSConfig1 */ |
@@ -681,19 +641,6 @@ typedef struct _NVRAM { | |||
681 | #define DISC_ALLOW 0xC0 /* Disconnect is allowed */ | 641 | #define DISC_ALLOW 0xC0 /* Disconnect is allowed */ |
682 | #define SCSICMD_RequestSense 0x03 | 642 | #define SCSICMD_RequestSense 0x03 |
683 | 643 | ||
684 | typedef struct _HCSinfo { | ||
685 | ULONG base; | ||
686 | UCHAR vec; | ||
687 | UCHAR bios; /* High byte of BIOS address */ | ||
688 | USHORT BaseAndBios; /* high byte: pHcsInfo->bios,low byte:pHcsInfo->base */ | ||
689 | } HCSINFO; | ||
690 | |||
691 | #define TUL_RD(x,y) (UCHAR)(inb( (int)((ULONG)(x+y)) )) | ||
692 | #define TUL_RDLONG(x,y) (ULONG)(inl((int)((ULONG)(x+y)) )) | ||
693 | #define TUL_WR( adr,data) outb( (UCHAR)(data), (int)(adr)) | ||
694 | #define TUL_WRSHORT(adr,data) outw( (UWORD)(data), (int)(adr)) | ||
695 | #define TUL_WRLONG( adr,data) outl( (ULONG)(data), (int)(adr)) | ||
696 | |||
697 | #define SCSI_ABORT_SNOOZE 0 | 644 | #define SCSI_ABORT_SNOOZE 0 |
698 | #define SCSI_ABORT_SUCCESS 1 | 645 | #define SCSI_ABORT_SUCCESS 1 |
699 | #define SCSI_ABORT_PENDING 2 | 646 | #define SCSI_ABORT_PENDING 2 |