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sched: eliminate rq_clock() use
[usb.git] / drivers / scsi / ips.c
blob492a51bd6aa899bb8d64a5cf60ab304913d8d7c2
1 /*****************************************************************************/
2 /* ips.c -- driver for the Adaptec / IBM ServeRAID controller */
3 /* */
4 /* Written By: Keith Mitchell, IBM Corporation */
5 /* Jack Hammer, Adaptec, Inc. */
6 /* David Jeffery, Adaptec, Inc. */
7 /* */
8 /* Copyright (C) 2000 IBM Corporation */
9 /* Copyright (C) 2002,2003 Adaptec, Inc. */
10 /* */
11 /* This program is free software; you can redistribute it and/or modify */
12 /* it under the terms of the GNU General Public License as published by */
13 /* the Free Software Foundation; either version 2 of the License, or */
14 /* (at your option) any later version. */
15 /* */
16 /* This program is distributed in the hope that it will be useful, */
17 /* but WITHOUT ANY WARRANTY; without even the implied warranty of */
18 /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
19 /* GNU General Public License for more details. */
20 /* */
21 /* NO WARRANTY */
22 /* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR */
23 /* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT */
24 /* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, */
25 /* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is */
26 /* solely responsible for determining the appropriateness of using and */
27 /* distributing the Program and assumes all risks associated with its */
28 /* exercise of rights under this Agreement, including but not limited to */
29 /* the risks and costs of program errors, damage to or loss of data, */
30 /* programs or equipment, and unavailability or interruption of operations. */
31 /* */
32 /* DISCLAIMER OF LIABILITY */
33 /* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY */
34 /* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL */
35 /* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND */
36 /* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR */
37 /* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE */
38 /* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED */
39 /* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES */
40 /* */
41 /* You should have received a copy of the GNU General Public License */
42 /* along with this program; if not, write to the Free Software */
43 /* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
44 /* */
45 /* Bugs/Comments/Suggestions about this driver should be mailed to: */
46 /* ipslinux@adaptec.com */
47 /* */
48 /* For system support issues, contact your local IBM Customer support. */
49 /* Directions to find IBM Customer Support for each country can be found at: */
50 /* http://www.ibm.com/planetwide/ */
51 /* */
52 /*****************************************************************************/
53
54 /*****************************************************************************/
55 /* Change Log */
56 /* */
57 /* 0.99.02 - Breakup commands that are bigger than 8 * the stripe size */
58 /* 0.99.03 - Make interrupt routine handle all completed request on the */
59 /* adapter not just the first one */
60 /* - Make sure passthru commands get woken up if we run out of */
61 /* SCBs */
62 /* - Send all of the commands on the queue at once rather than */
63 /* one at a time since the card will support it. */
64 /* 0.99.04 - Fix race condition in the passthru mechanism -- this required */
65 /* the interface to the utilities to change */
66 /* - Fix error recovery code */
67 /* 0.99.05 - Fix an oops when we get certain passthru commands */
68 /* 1.00.00 - Initial Public Release */
69 /* Functionally equivalent to 0.99.05 */
70 /* 3.60.00 - Bump max commands to 128 for use with firmware 3.60 */
71 /* - Change version to 3.60 to coincide with release numbering. */
72 /* 3.60.01 - Remove bogus error check in passthru routine */
73 /* 3.60.02 - Make DCDB direction based on lookup table */
74 /* - Only allow one DCDB command to a SCSI ID at a time */
75 /* 4.00.00 - Add support for ServeRAID 4 */
76 /* 4.00.01 - Add support for First Failure Data Capture */
77 /* 4.00.02 - Fix problem with PT DCDB with no buffer */
78 /* 4.00.03 - Add alternative passthru interface */
79 /* - Add ability to flash BIOS */
80 /* 4.00.04 - Rename structures/constants to be prefixed with IPS_ */
81 /* 4.00.05 - Remove wish_block from init routine */
82 /* - Use linux/spinlock.h instead of asm/spinlock.h for kernels */
83 /* 2.3.18 and later */
84 /* - Sync with other changes from the 2.3 kernels */
85 /* 4.00.06 - Fix timeout with initial FFDC command */
86 /* 4.00.06a - Port to 2.4 (trivial) -- Christoph Hellwig <hch@infradead.org> */
87 /* 4.10.00 - Add support for ServeRAID 4M/4L */
88 /* 4.10.13 - Fix for dynamic unload and proc file system */
89 /* 4.20.03 - Rename version to coincide with new release schedules */
90 /* Performance fixes */
91 /* Fix truncation of /proc files with cat */
92 /* Merge in changes through kernel 2.4.0test1ac21 */
93 /* 4.20.13 - Fix some failure cases / reset code */
94 /* - Hook into the reboot_notifier to flush the controller cache */
95 /* 4.50.01 - Fix problem when there is a hole in logical drive numbering */
96 /* 4.70.09 - Use a Common ( Large Buffer ) for Flashing from the JCRM CD */
97 /* - Add IPSSEND Flash Support */
98 /* - Set Sense Data for Unknown SCSI Command */
99 /* - Use Slot Number from NVRAM Page 5 */
100 /* - Restore caller's DCDB Structure */
101 /* 4.70.12 - Corrective actions for bad controller ( during initialization )*/
102 /* 4.70.13 - Don't Send CDB's if we already know the device is not present */
103 /* - Don't release HA Lock in ips_next() until SC taken off queue */
104 /* - Unregister SCSI device in ips_release() */
105 /* 4.70.15 - Fix Breakup for very large ( non-SG ) requests in ips_done() */
106 /* 4.71.00 - Change all memory allocations to not use GFP_DMA flag */
107 /* Code Clean-Up for 2.4.x kernel */
108 /* 4.72.00 - Allow for a Scatter-Gather Element to exceed MAX_XFER Size */
109 /* 4.72.01 - I/O Mapped Memory release ( so "insmod ips" does not Fail ) */
110 /* - Don't Issue Internal FFDC Command if there are Active Commands */
111 /* - Close Window for getting too many IOCTL's active */
112 /* 4.80.00 - Make ia64 Safe */
113 /* 4.80.04 - Eliminate calls to strtok() if 2.4.x or greater */
114 /* - Adjustments to Device Queue Depth */
115 /* 4.80.14 - Take all semaphores off stack */
116 /* - Clean Up New_IOCTL path */
117 /* 4.80.20 - Set max_sectors in Scsi_Host structure ( if >= 2.4.7 kernel ) */
118 /* - 5 second delay needed after resetting an i960 adapter */
119 /* 4.80.26 - Clean up potential code problems ( Arjan's recommendations ) */
120 /* 4.90.01 - Version Matching for FirmWare, BIOS, and Driver */
121 /* 4.90.05 - Use New PCI Architecture to facilitate Hot Plug Development */
122 /* 4.90.08 - Increase Delays in Flashing ( Trombone Only - 4H ) */
123 /* 4.90.08 - Data Corruption if First Scatter Gather Element is > 64K */
124 /* 4.90.11 - Don't actually RESET unless it's physically required */
125 /* - Remove unused compile options */
126 /* 5.00.01 - Sarasota ( 5i ) adapters must always be scanned first */
127 /* - Get rid on IOCTL_NEW_COMMAND code */
128 /* - Add Extended DCDB Commands for Tape Support in 5I */
129 /* 5.10.12 - use pci_dma interfaces, update for 2.5 kernel changes */
130 /* 5.10.15 - remove unused code (sem, macros, etc.) */
131 /* 5.30.00 - use __devexit_p() */
132 /* 6.00.00 - Add 6x Adapters and Battery Flash */
133 /* 6.10.00 - Remove 1G Addressing Limitations */
134 /* 6.11.xx - Get VersionInfo buffer off the stack ! DDTS 60401 */
135 /* 6.11.xx - Make Logical Drive Info structure safe for DMA DDTS 60639 */
136 /* 7.10.18 - Add highmem_io flag in SCSI Templete for 2.4 kernels */
137 /* - Fix path/name for scsi_hosts.h include for 2.6 kernels */
138 /* - Fix sort order of 7k */
139 /* - Remove 3 unused "inline" functions */
140 /* 7.12.xx - Use STATIC functions whereever possible */
141 /* - Clean up deprecated MODULE_PARM calls */
142 /* 7.12.05 - Remove Version Matching per IBM request */
143 /*****************************************************************************/
144
145 /*
146 * Conditional Compilation directives for this driver:
147 *
148 * IPS_DEBUG - Turn on debugging info
149 *
150 * Parameters:
151 *
152 * debug:<number> - Set debug level to <number>
153 * NOTE: only works when IPS_DEBUG compile directive is used.
154 * 1 - Normal debug messages
155 * 2 - Verbose debug messages
156 * 11 - Method trace (non interrupt)
157 * 12 - Method trace (includes interrupt)
158 *
159 * noi2o - Don't use I2O Queues (ServeRAID 4 only)
160 * nommap - Don't use memory mapped I/O
161 * ioctlsize - Initial size of the IOCTL buffer
162 */
163
164 #include <asm/io.h>
165 #include <asm/byteorder.h>
166 #include <asm/page.h>
167 #include <linux/stddef.h>
168 #include <linux/version.h>
169 #include <linux/string.h>
170 #include <linux/errno.h>
171 #include <linux/kernel.h>
172 #include <linux/ioport.h>
173 #include <linux/slab.h>
174 #include <linux/delay.h>
175 #include <linux/pci.h>
176 #include <linux/proc_fs.h>
177 #include <linux/reboot.h>
178 #include <linux/interrupt.h>
179
180 #include <linux/blkdev.h>
181 #include <linux/types.h>
182 #include <linux/dma-mapping.h>
183
184 #include <scsi/sg.h>
185 #include "scsi.h"
186 #include <scsi/scsi_host.h>
187
188 #include "ips.h"
189
190 #include <linux/module.h>
191
192 #include <linux/stat.h>
193
194 #include <linux/spinlock.h>
195 #include <linux/init.h>
196
197 #include <linux/smp.h>
198
199 #ifdef MODULE
200 static char *ips = NULL;
201 module_param(ips, charp, 0);
202 #endif
203
204 /*
205 * DRIVER_VER
206 */
207 #define IPS_VERSION_HIGH "7.12"
208 #define IPS_VERSION_LOW ".05 "
209
210 #if !defined(__i386__) && !defined(__ia64__) && !defined(__x86_64__)
211 #warning "This driver has only been tested on the x86/ia64/x86_64 platforms"
212 #endif
213
214 #define IPS_DMA_DIR(scb) ((!scb->scsi_cmd || ips_is_passthru(scb->scsi_cmd) || \
215 DMA_NONE == scb->scsi_cmd->sc_data_direction) ? \
216 PCI_DMA_BIDIRECTIONAL : \
217 scb->scsi_cmd->sc_data_direction)
218
219 #ifdef IPS_DEBUG
220 #define METHOD_TRACE(s, i) if (ips_debug >= (i+10)) printk(KERN_NOTICE s "\n");
221 #define DEBUG(i, s) if (ips_debug >= i) printk(KERN_NOTICE s "\n");
222 #define DEBUG_VAR(i, s, v...) if (ips_debug >= i) printk(KERN_NOTICE s "\n", v);
223 #else
224 #define METHOD_TRACE(s, i)
225 #define DEBUG(i, s)
226 #define DEBUG_VAR(i, s, v...)
227 #endif
228
229 /*
230 * Function prototypes
231 */
232 static int ips_detect(struct scsi_host_template *);
233 static int ips_release(struct Scsi_Host *);
234 static int ips_eh_abort(struct scsi_cmnd *);
235 static int ips_eh_reset(struct scsi_cmnd *);
236 static int ips_queue(struct scsi_cmnd *, void (*)(struct scsi_cmnd *));
237 static const char *ips_info(struct Scsi_Host *);
238 static irqreturn_t do_ipsintr(int, void *);
239 static int ips_hainit(ips_ha_t *);
240 static int ips_map_status(ips_ha_t *, ips_scb_t *, ips_stat_t *);
241 static int ips_send_wait(ips_ha_t *, ips_scb_t *, int, int);
242 static int ips_send_cmd(ips_ha_t *, ips_scb_t *);
243 static int ips_online(ips_ha_t *, ips_scb_t *);
244 static int ips_inquiry(ips_ha_t *, ips_scb_t *);
245 static int ips_rdcap(ips_ha_t *, ips_scb_t *);
246 static int ips_msense(ips_ha_t *, ips_scb_t *);
247 static int ips_reqsen(ips_ha_t *, ips_scb_t *);
248 static int ips_deallocatescbs(ips_ha_t *, int);
249 static int ips_allocatescbs(ips_ha_t *);
250 static int ips_reset_copperhead(ips_ha_t *);
251 static int ips_reset_copperhead_memio(ips_ha_t *);
252 static int ips_reset_morpheus(ips_ha_t *);
253 static int ips_issue_copperhead(ips_ha_t *, ips_scb_t *);
254 static int ips_issue_copperhead_memio(ips_ha_t *, ips_scb_t *);
255 static int ips_issue_i2o(ips_ha_t *, ips_scb_t *);
256 static int ips_issue_i2o_memio(ips_ha_t *, ips_scb_t *);
257 static int ips_isintr_copperhead(ips_ha_t *);
258 static int ips_isintr_copperhead_memio(ips_ha_t *);
259 static int ips_isintr_morpheus(ips_ha_t *);
260 static int ips_wait(ips_ha_t *, int, int);
261 static int ips_write_driver_status(ips_ha_t *, int);
262 static int ips_read_adapter_status(ips_ha_t *, int);
263 static int ips_read_subsystem_parameters(ips_ha_t *, int);
264 static int ips_read_config(ips_ha_t *, int);
265 static int ips_clear_adapter(ips_ha_t *, int);
266 static int ips_readwrite_page5(ips_ha_t *, int, int);
267 static int ips_init_copperhead(ips_ha_t *);
268 static int ips_init_copperhead_memio(ips_ha_t *);
269 static int ips_init_morpheus(ips_ha_t *);
270 static int ips_isinit_copperhead(ips_ha_t *);
271 static int ips_isinit_copperhead_memio(ips_ha_t *);
272 static int ips_isinit_morpheus(ips_ha_t *);
273 static int ips_erase_bios(ips_ha_t *);
274 static int ips_program_bios(ips_ha_t *, char *, uint32_t, uint32_t);
275 static int ips_verify_bios(ips_ha_t *, char *, uint32_t, uint32_t);
276 static int ips_erase_bios_memio(ips_ha_t *);
277 static int ips_program_bios_memio(ips_ha_t *, char *, uint32_t, uint32_t);
278 static int ips_verify_bios_memio(ips_ha_t *, char *, uint32_t, uint32_t);
279 static int ips_flash_copperhead(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
280 static int ips_flash_bios(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
281 static int ips_flash_firmware(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
282 static void ips_free_flash_copperhead(ips_ha_t * ha);
283 static void ips_get_bios_version(ips_ha_t *, int);
284 static void ips_identify_controller(ips_ha_t *);
285 static void ips_chkstatus(ips_ha_t *, IPS_STATUS *);
286 static void ips_enable_int_copperhead(ips_ha_t *);
287 static void ips_enable_int_copperhead_memio(ips_ha_t *);
288 static void ips_enable_int_morpheus(ips_ha_t *);
289 static int ips_intr_copperhead(ips_ha_t *);
290 static int ips_intr_morpheus(ips_ha_t *);
291 static void ips_next(ips_ha_t *, int);
292 static void ipsintr_blocking(ips_ha_t *, struct ips_scb *);
293 static void ipsintr_done(ips_ha_t *, struct ips_scb *);
294 static void ips_done(ips_ha_t *, ips_scb_t *);
295 static void ips_free(ips_ha_t *);
296 static void ips_init_scb(ips_ha_t *, ips_scb_t *);
297 static void ips_freescb(ips_ha_t *, ips_scb_t *);
298 static void ips_setup_funclist(ips_ha_t *);
299 static void ips_statinit(ips_ha_t *);
300 static void ips_statinit_memio(ips_ha_t *);
301 static void ips_fix_ffdc_time(ips_ha_t *, ips_scb_t *, time_t);
302 static void ips_ffdc_reset(ips_ha_t *, int);
303 static void ips_ffdc_time(ips_ha_t *);
304 static uint32_t ips_statupd_copperhead(ips_ha_t *);
305 static uint32_t ips_statupd_copperhead_memio(ips_ha_t *);
306 static uint32_t ips_statupd_morpheus(ips_ha_t *);
307 static ips_scb_t *ips_getscb(ips_ha_t *);
308 static void ips_putq_scb_head(ips_scb_queue_t *, ips_scb_t *);
309 static void ips_putq_wait_tail(ips_wait_queue_t *, struct scsi_cmnd *);
310 static void ips_putq_copp_tail(ips_copp_queue_t *,
311 ips_copp_wait_item_t *);
312 static ips_scb_t *ips_removeq_scb_head(ips_scb_queue_t *);
313 static ips_scb_t *ips_removeq_scb(ips_scb_queue_t *, ips_scb_t *);
314 static struct scsi_cmnd *ips_removeq_wait_head(ips_wait_queue_t *);
315 static struct scsi_cmnd *ips_removeq_wait(ips_wait_queue_t *,
316 struct scsi_cmnd *);
317 static ips_copp_wait_item_t *ips_removeq_copp(ips_copp_queue_t *,
318 ips_copp_wait_item_t *);
319 static ips_copp_wait_item_t *ips_removeq_copp_head(ips_copp_queue_t *);
320
321 static int ips_is_passthru(struct scsi_cmnd *);
322 static int ips_make_passthru(ips_ha_t *, struct scsi_cmnd *, ips_scb_t *, int);
323 static int ips_usrcmd(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
324 static void ips_cleanup_passthru(ips_ha_t *, ips_scb_t *);
325 static void ips_scmd_buf_write(struct scsi_cmnd * scmd, void *data,
326 unsigned int count);
327 static void ips_scmd_buf_read(struct scsi_cmnd * scmd, void *data,
328 unsigned int count);
329
330 static int ips_proc_info(struct Scsi_Host *, char *, char **, off_t, int, int);
331 static int ips_host_info(ips_ha_t *, char *, off_t, int);
332 static void copy_mem_info(IPS_INFOSTR *, char *, int);
333 static int copy_info(IPS_INFOSTR *, char *, ...);
334 static int ips_abort_init(ips_ha_t * ha, int index);
335 static int ips_init_phase2(int index);
336
337 static int ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr);
338 static int ips_register_scsi(int index);
339
340 static int ips_poll_for_flush_complete(ips_ha_t * ha);
341 static void ips_flush_and_reset(ips_ha_t *ha);
342
343 /*
344 * global variables
345 */
346 static const char ips_name[] = "ips";
347 static struct Scsi_Host *ips_sh[IPS_MAX_ADAPTERS]; /* Array of host controller structures */
348 static ips_ha_t *ips_ha[IPS_MAX_ADAPTERS]; /* Array of HA structures */
349 static unsigned int ips_next_controller;
350 static unsigned int ips_num_controllers;
351 static unsigned int ips_released_controllers;
352 static int ips_hotplug;
353 static int ips_cmd_timeout = 60;
354 static int ips_reset_timeout = 60 * 5;
355 static int ips_force_memio = 1; /* Always use Memory Mapped I/O */
356 static int ips_force_i2o = 1; /* Always use I2O command delivery */
357 static int ips_ioctlsize = IPS_IOCTL_SIZE; /* Size of the ioctl buffer */
358 static int ips_cd_boot; /* Booting from Manager CD */
359 static char *ips_FlashData = NULL; /* CD Boot - Flash Data Buffer */
360 static dma_addr_t ips_flashbusaddr;
361 static long ips_FlashDataInUse; /* CD Boot - Flash Data In Use Flag */
362 static uint32_t MaxLiteCmds = 32; /* Max Active Cmds for a Lite Adapter */
363 static struct scsi_host_template ips_driver_template = {
364 .detect = ips_detect,
365 .release = ips_release,
366 .info = ips_info,
367 .queuecommand = ips_queue,
368 .eh_abort_handler = ips_eh_abort,
369 .eh_host_reset_handler = ips_eh_reset,
370 .proc_name = "ips",
371 .proc_info = ips_proc_info,
372 .slave_configure = ips_slave_configure,
373 .bios_param = ips_biosparam,
374 .this_id = -1,
375 .sg_tablesize = IPS_MAX_SG,
376 .cmd_per_lun = 3,
377 .use_clustering = ENABLE_CLUSTERING,
378 };
379
380
381 /* This table describes all ServeRAID Adapters */
382 static struct pci_device_id ips_pci_table[] = {
383 { 0x1014, 0x002E, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
384 { 0x1014, 0x01BD, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
385 { 0x9005, 0x0250, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
386 { 0, }
387 };
388
389 MODULE_DEVICE_TABLE( pci, ips_pci_table );
390
391 static char ips_hot_plug_name[] = "ips";
392
393 static int __devinit ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent);
394 static void __devexit ips_remove_device(struct pci_dev *pci_dev);
395
396 static struct pci_driver ips_pci_driver = {
397 .name = ips_hot_plug_name,
398 .id_table = ips_pci_table,
399 .probe = ips_insert_device,
400 .remove = __devexit_p(ips_remove_device),
401 };
402
403
404 /*
405 * Necessary forward function protoypes
406 */
407 static int ips_halt(struct notifier_block *nb, ulong event, void *buf);
408
409 #define MAX_ADAPTER_NAME 15
410
411 static char ips_adapter_name[][30] = {
412 "ServeRAID",
413 "ServeRAID II",
414 "ServeRAID on motherboard",
415 "ServeRAID on motherboard",
416 "ServeRAID 3H",
417 "ServeRAID 3L",
418 "ServeRAID 4H",
419 "ServeRAID 4M",
420 "ServeRAID 4L",
421 "ServeRAID 4Mx",
422 "ServeRAID 4Lx",
423 "ServeRAID 5i",
424 "ServeRAID 5i",
425 "ServeRAID 6M",
426 "ServeRAID 6i",
427 "ServeRAID 7t",
428 "ServeRAID 7k",
429 "ServeRAID 7M"
430 };
431
432 static struct notifier_block ips_notifier = {
433 ips_halt, NULL, 0
434 };
435
436 /*
437 * Direction table
438 */
439 static char ips_command_direction[] = {
440 IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT,
441 IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK,
442 IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
443 IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_OUT,
444 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_OUT,
445 IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_OUT,
446 IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_IN,
447 IPS_DATA_UNK, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK,
448 IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_UNK,
449 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT,
450 IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_NONE,
451 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT,
452 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT,
453 IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_NONE,
454 IPS_DATA_UNK, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_UNK,
455 IPS_DATA_NONE, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK,
456 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
457 IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
458 IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
459 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
460 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
461 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
462 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
463 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
464 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
465 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
466 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
467 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
468 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
469 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
470 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
471 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
472 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
473 IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_NONE,
474 IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_OUT,
475 IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_NONE,
476 IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_IN,
477 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
478 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
479 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
480 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
481 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
482 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
483 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
484 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
485 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
486 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_OUT,
487 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
488 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
489 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
490 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK
491 };
492
493
494 /****************************************************************************/
495 /* */
496 /* Routine Name: ips_setup */
497 /* */
498 /* Routine Description: */
499 /* */
500 /* setup parameters to the driver */
501 /* */
502 /****************************************************************************/
503 static int
504 ips_setup(char *ips_str)
505 {
506
507 int i;
508 char *key;
509 char *value;
510 IPS_OPTION options[] = {
511 {"noi2o", &ips_force_i2o, 0},
512 {"nommap", &ips_force_memio, 0},
513 {"ioctlsize", &ips_ioctlsize, IPS_IOCTL_SIZE},
514 {"cdboot", &ips_cd_boot, 0},
515 {"maxcmds", &MaxLiteCmds, 32},
516 };
517
518 /* Don't use strtok() anymore ( if 2.4 Kernel or beyond ) */
519 /* Search for value */
520 while ((key = strsep(&ips_str, ",."))) {
521 if (!*key)
522 continue;
523 value = strchr(key, ':');
524 if (value)
525 *value++ = '\0';
526 /*
527 * We now have key/value pairs.
528 * Update the variables
529 */
530 for (i = 0; i < ARRAY_SIZE(options); i++) {
531 if (strnicmp
532 (key, options[i].option_name,
533 strlen(options[i].option_name)) == 0) {
534 if (value)
535 *options[i].option_flag =
536 simple_strtoul(value, NULL, 0);
537 else
538 *options[i].option_flag =
539 options[i].option_value;
540 break;
541 }
542 }
543 }
544
545 return (1);
546 }
547
548 __setup("ips=", ips_setup);
549
550 /****************************************************************************/
551 /* */
552 /* Routine Name: ips_detect */
553 /* */
554 /* Routine Description: */
555 /* */
556 /* Detect and initialize the driver */
557 /* */
558 /* NOTE: this routine is called under the io_request_lock spinlock */
559 /* */
560 /****************************************************************************/
561 static int
562 ips_detect(struct scsi_host_template * SHT)
563 {
564 int i;
565
566 METHOD_TRACE("ips_detect", 1);
567
568 #ifdef MODULE
569 if (ips)
570 ips_setup(ips);
571 #endif
572
573 for (i = 0; i < ips_num_controllers; i++) {
574 if (ips_register_scsi(i))
575 ips_free(ips_ha[i]);
576 ips_released_controllers++;
577 }
578 ips_hotplug = 1;
579 return (ips_num_controllers);
580 }
581
582 /****************************************************************************/
583 /* configure the function pointers to use the functions that will work */
584 /* with the found version of the adapter */
585 /****************************************************************************/
586 static void
587 ips_setup_funclist(ips_ha_t * ha)
588 {
589
590 /*
591 * Setup Functions
592 */
593 if (IPS_IS_MORPHEUS(ha) || IPS_IS_MARCO(ha)) {
594 /* morpheus / marco / sebring */
595 ha->func.isintr = ips_isintr_morpheus;
596 ha->func.isinit = ips_isinit_morpheus;
597 ha->func.issue = ips_issue_i2o_memio;
598 ha->func.init = ips_init_morpheus;
599 ha->func.statupd = ips_statupd_morpheus;
600 ha->func.reset = ips_reset_morpheus;
601 ha->func.intr = ips_intr_morpheus;
602 ha->func.enableint = ips_enable_int_morpheus;
603 } else if (IPS_USE_MEMIO(ha)) {
604 /* copperhead w/MEMIO */
605 ha->func.isintr = ips_isintr_copperhead_memio;
606 ha->func.isinit = ips_isinit_copperhead_memio;
607 ha->func.init = ips_init_copperhead_memio;
608 ha->func.statupd = ips_statupd_copperhead_memio;
609 ha->func.statinit = ips_statinit_memio;
610 ha->func.reset = ips_reset_copperhead_memio;
611 ha->func.intr = ips_intr_copperhead;
612 ha->func.erasebios = ips_erase_bios_memio;
613 ha->func.programbios = ips_program_bios_memio;
614 ha->func.verifybios = ips_verify_bios_memio;
615 ha->func.enableint = ips_enable_int_copperhead_memio;
616 if (IPS_USE_I2O_DELIVER(ha))
617 ha->func.issue = ips_issue_i2o_memio;
618 else
619 ha->func.issue = ips_issue_copperhead_memio;
620 } else {
621 /* copperhead */
622 ha->func.isintr = ips_isintr_copperhead;
623 ha->func.isinit = ips_isinit_copperhead;
624 ha->func.init = ips_init_copperhead;
625 ha->func.statupd = ips_statupd_copperhead;
626 ha->func.statinit = ips_statinit;
627 ha->func.reset = ips_reset_copperhead;
628 ha->func.intr = ips_intr_copperhead;
629 ha->func.erasebios = ips_erase_bios;
630 ha->func.programbios = ips_program_bios;
631 ha->func.verifybios = ips_verify_bios;
632 ha->func.enableint = ips_enable_int_copperhead;
633
634 if (IPS_USE_I2O_DELIVER(ha))
635 ha->func.issue = ips_issue_i2o;
636 else
637 ha->func.issue = ips_issue_copperhead;
638 }
639 }
640
641 /****************************************************************************/
642 /* */
643 /* Routine Name: ips_release */
644 /* */
645 /* Routine Description: */
646 /* */
647 /* Remove a driver */
648 /* */
649 /****************************************************************************/
650 static int
651 ips_release(struct Scsi_Host *sh)
652 {
653 ips_scb_t *scb;
654 ips_ha_t *ha;
655 int i;
656
657 METHOD_TRACE("ips_release", 1);
658
659 for (i = 0; i < IPS_MAX_ADAPTERS && ips_sh[i] != sh; i++) ;
660
661 if (i == IPS_MAX_ADAPTERS) {
662 printk(KERN_WARNING
663 "(%s) release, invalid Scsi_Host pointer.\n", ips_name);
664 BUG();
665 return (FALSE);
666 }
667
668 ha = IPS_HA(sh);
669
670 if (!ha)
671 return (FALSE);
672
673 /* flush the cache on the controller */
674 scb = &ha->scbs[ha->max_cmds - 1];
675
676 ips_init_scb(ha, scb);
677
678 scb->timeout = ips_cmd_timeout;
679 scb->cdb[0] = IPS_CMD_FLUSH;
680
681 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
682 scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb);
683 scb->cmd.flush_cache.state = IPS_NORM_STATE;
684 scb->cmd.flush_cache.reserved = 0;
685 scb->cmd.flush_cache.reserved2 = 0;
686 scb->cmd.flush_cache.reserved3 = 0;
687 scb->cmd.flush_cache.reserved4 = 0;
688
689 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Cache.\n");
690
691 /* send command */
692 if (ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_ON) == IPS_FAILURE)
693 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Incomplete Flush.\n");
694
695 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Complete.\n");
696
697 ips_sh[i] = NULL;
698 ips_ha[i] = NULL;
699
700 /* free extra memory */
701 ips_free(ha);
702
703 /* Free I/O Region */
704 if (ha->io_addr)
705 release_region(ha->io_addr, ha->io_len);
706
707 /* free IRQ */
708 free_irq(ha->irq, ha);
709
710 scsi_remove_host(sh);
711 scsi_host_put(sh);
712
713 ips_released_controllers++;
714
715 return (FALSE);
716 }
717
718 /****************************************************************************/
719 /* */
720 /* Routine Name: ips_halt */
721 /* */
722 /* Routine Description: */
723 /* */
724 /* Perform cleanup when the system reboots */
725 /* */
726 /****************************************************************************/
727 static int
728 ips_halt(struct notifier_block *nb, ulong event, void *buf)
729 {
730 ips_scb_t *scb;
731 ips_ha_t *ha;
732 int i;
733
734 if ((event != SYS_RESTART) && (event != SYS_HALT) &&
735 (event != SYS_POWER_OFF))
736 return (NOTIFY_DONE);
737
738 for (i = 0; i < ips_next_controller; i++) {
739 ha = (ips_ha_t *) ips_ha[i];
740
741 if (!ha)
742 continue;
743
744 if (!ha->active)
745 continue;
746
747 /* flush the cache on the controller */
748 scb = &ha->scbs[ha->max_cmds - 1];
749
750 ips_init_scb(ha, scb);
751
752 scb->timeout = ips_cmd_timeout;
753 scb->cdb[0] = IPS_CMD_FLUSH;
754
755 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
756 scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb);
757 scb->cmd.flush_cache.state = IPS_NORM_STATE;
758 scb->cmd.flush_cache.reserved = 0;
759 scb->cmd.flush_cache.reserved2 = 0;
760 scb->cmd.flush_cache.reserved3 = 0;
761 scb->cmd.flush_cache.reserved4 = 0;
762
763 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Cache.\n");
764
765 /* send command */
766 if (ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_ON) ==
767 IPS_FAILURE)
768 IPS_PRINTK(KERN_WARNING, ha->pcidev,
769 "Incomplete Flush.\n");
770 else
771 IPS_PRINTK(KERN_WARNING, ha->pcidev,
772 "Flushing Complete.\n");
773 }
774
775 return (NOTIFY_OK);
776 }
777
778 /****************************************************************************/
779 /* */
780 /* Routine Name: ips_eh_abort */
781 /* */
782 /* Routine Description: */
783 /* */
784 /* Abort a command (using the new error code stuff) */
785 /* Note: this routine is called under the io_request_lock */
786 /****************************************************************************/
787 int ips_eh_abort(struct scsi_cmnd *SC)
788 {
789 ips_ha_t *ha;
790 ips_copp_wait_item_t *item;
791 int ret;
792 struct Scsi_Host *host;
793
794 METHOD_TRACE("ips_eh_abort", 1);
795
796 if (!SC)
797 return (FAILED);
798
799 host = SC->device->host;
800 ha = (ips_ha_t *) SC->device->host->hostdata;
801
802 if (!ha)
803 return (FAILED);
804
805 if (!ha->active)
806 return (FAILED);
807
808 spin_lock(host->host_lock);
809
810 /* See if the command is on the copp queue */
811 item = ha->copp_waitlist.head;
812 while ((item) && (item->scsi_cmd != SC))
813 item = item->next;
814
815 if (item) {
816 /* Found it */
817 ips_removeq_copp(&ha->copp_waitlist, item);
818 ret = (SUCCESS);
819
820 /* See if the command is on the wait queue */
821 } else if (ips_removeq_wait(&ha->scb_waitlist, SC)) {
822 /* command not sent yet */
823 ret = (SUCCESS);
824 } else {
825 /* command must have already been sent */
826 ret = (FAILED);
827 }
828
829 spin_unlock(host->host_lock);
830 return ret;
831 }
832
833 /****************************************************************************/
834 /* */
835 /* Routine Name: ips_eh_reset */
836 /* */
837 /* Routine Description: */
838 /* */
839 /* Reset the controller (with new eh error code) */
840 /* */
841 /* NOTE: this routine is called under the io_request_lock spinlock */
842 /* */
843 /****************************************************************************/
844 static int __ips_eh_reset(struct scsi_cmnd *SC)
845 {
846 int ret;
847 int i;
848 ips_ha_t *ha;
849 ips_scb_t *scb;
850 ips_copp_wait_item_t *item;
851
852 METHOD_TRACE("ips_eh_reset", 1);
853
854 #ifdef NO_IPS_RESET
855 return (FAILED);
856 #else
857
858 if (!SC) {
859 DEBUG(1, "Reset called with NULL scsi command");
860
861 return (FAILED);
862 }
863
864 ha = (ips_ha_t *) SC->device->host->hostdata;
865
866 if (!ha) {
867 DEBUG(1, "Reset called with NULL ha struct");
868
869 return (FAILED);
870 }
871
872 if (!ha->active)
873 return (FAILED);
874
875 /* See if the command is on the copp queue */
876 item = ha->copp_waitlist.head;
877 while ((item) && (item->scsi_cmd != SC))
878 item = item->next;
879
880 if (item) {
881 /* Found it */
882 ips_removeq_copp(&ha->copp_waitlist, item);
883 return (SUCCESS);
884 }
885
886 /* See if the command is on the wait queue */
887 if (ips_removeq_wait(&ha->scb_waitlist, SC)) {
888 /* command not sent yet */
889 return (SUCCESS);
890 }
891
892 /* An explanation for the casual observer: */
893 /* Part of the function of a RAID controller is automatic error */
894 /* detection and recovery. As such, the only problem that physically */
895 /* resetting an adapter will ever fix is when, for some reason, */
896 /* the driver is not successfully communicating with the adapter. */
897 /* Therefore, we will attempt to flush this adapter. If that succeeds, */
898 /* then there's no real purpose in a physical reset. This will complete */
899 /* much faster and avoids any problems that might be caused by a */
900 /* physical reset ( such as having to fail all the outstanding I/O's ). */
901
902 if (ha->ioctl_reset == 0) { /* IF Not an IOCTL Requested Reset */
903 scb = &ha->scbs[ha->max_cmds - 1];
904
905 ips_init_scb(ha, scb);
906
907 scb->timeout = ips_cmd_timeout;
908 scb->cdb[0] = IPS_CMD_FLUSH;
909
910 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
911 scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb);
912 scb->cmd.flush_cache.state = IPS_NORM_STATE;
913 scb->cmd.flush_cache.reserved = 0;
914 scb->cmd.flush_cache.reserved2 = 0;
915 scb->cmd.flush_cache.reserved3 = 0;
916 scb->cmd.flush_cache.reserved4 = 0;
917
918 /* Attempt the flush command */
919 ret = ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_IORL);
920 if (ret == IPS_SUCCESS) {
921 IPS_PRINTK(KERN_NOTICE, ha->pcidev,
922 "Reset Request - Flushed Cache\n");
923 return (SUCCESS);
924 }
925 }
926
927 /* Either we can't communicate with the adapter or it's an IOCTL request */
928 /* from a utility. A physical reset is needed at this point. */
929
930 ha->ioctl_reset = 0; /* Reset the IOCTL Requested Reset Flag */
931
932 /*
933 * command must have already been sent
934 * reset the controller
935 */
936 IPS_PRINTK(KERN_NOTICE, ha->pcidev, "Resetting controller.\n");
937 ret = (*ha->func.reset) (ha);
938
939 if (!ret) {
940 struct scsi_cmnd *scsi_cmd;
941
942 IPS_PRINTK(KERN_NOTICE, ha->pcidev,
943 "Controller reset failed - controller now offline.\n");
944
945 /* Now fail all of the active commands */
946 DEBUG_VAR(1, "(%s%d) Failing active commands",
947 ips_name, ha->host_num);
948
949 while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) {
950 scb->scsi_cmd->result = DID_ERROR << 16;
951 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
952 ips_freescb(ha, scb);
953 }
954
955 /* Now fail all of the pending commands */
956 DEBUG_VAR(1, "(%s%d) Failing pending commands",
957 ips_name, ha->host_num);
958
959 while ((scsi_cmd = ips_removeq_wait_head(&ha->scb_waitlist))) {
960 scsi_cmd->result = DID_ERROR;
961 scsi_cmd->scsi_done(scsi_cmd);
962 }
963
964 ha->active = FALSE;
965 return (FAILED);
966 }
967
968 if (!ips_clear_adapter(ha, IPS_INTR_IORL)) {
969 struct scsi_cmnd *scsi_cmd;
970
971 IPS_PRINTK(KERN_NOTICE, ha->pcidev,
972 "Controller reset failed - controller now offline.\n");
973
974 /* Now fail all of the active commands */
975 DEBUG_VAR(1, "(%s%d) Failing active commands",
976 ips_name, ha->host_num);
977
978 while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) {
979 scb->scsi_cmd->result = DID_ERROR << 16;
980 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
981 ips_freescb(ha, scb);
982 }
983
984 /* Now fail all of the pending commands */
985 DEBUG_VAR(1, "(%s%d) Failing pending commands",
986 ips_name, ha->host_num);
987
988 while ((scsi_cmd = ips_removeq_wait_head(&ha->scb_waitlist))) {
989 scsi_cmd->result = DID_ERROR << 16;
990 scsi_cmd->scsi_done(scsi_cmd);
991 }
992
993 ha->active = FALSE;
994 return (FAILED);
995 }
996
997 /* FFDC */
998 if (le32_to_cpu(ha->subsys->param[3]) & 0x300000) {
999 struct timeval tv;
1000
1001 do_gettimeofday(&tv);
1002 ha->last_ffdc = tv.tv_sec;
1003 ha->reset_count++;
1004 ips_ffdc_reset(ha, IPS_INTR_IORL);
1005 }
1006
1007 /* Now fail all of the active commands */
1008 DEBUG_VAR(1, "(%s%d) Failing active commands", ips_name, ha->host_num);
1009
1010 while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) {
1011 scb->scsi_cmd->result =
1012 (DID_RESET << 16) | (SUGGEST_RETRY << 24);
1013 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
1014 ips_freescb(ha, scb);
1015 }
1016
1017 /* Reset DCDB active command bits */
1018 for (i = 1; i < ha->nbus; i++)
1019 ha->dcdb_active[i - 1] = 0;
1020
1021 /* Reset the number of active IOCTLs */
1022 ha->num_ioctl = 0;
1023
1024 ips_next(ha, IPS_INTR_IORL);
1025
1026 return (SUCCESS);
1027 #endif /* NO_IPS_RESET */
1028
1029 }
1030
1031 static int ips_eh_reset(struct scsi_cmnd *SC)
1032 {
1033 int rc;
1034
1035 spin_lock_irq(SC->device->host->host_lock);
1036 rc = __ips_eh_reset(SC);
1037 spin_unlock_irq(SC->device->host->host_lock);
1038
1039 return rc;
1040 }
1041
1042 /****************************************************************************/
1043 /* */
1044 /* Routine Name: ips_queue */
1045 /* */
1046 /* Routine Description: */
1047 /* */
1048 /* Send a command to the controller */
1049 /* */
1050 /* NOTE: */
1051 /* Linux obtains io_request_lock before calling this function */
1052 /* */
1053 /****************************************************************************/
1054 static int ips_queue(struct scsi_cmnd *SC, void (*done) (struct scsi_cmnd *))
1055 {
1056 ips_ha_t *ha;
1057 ips_passthru_t *pt;
1058
1059 METHOD_TRACE("ips_queue", 1);
1060
1061 ha = (ips_ha_t *) SC->device->host->hostdata;
1062
1063 if (!ha)
1064 return (1);
1065
1066 if (!ha->active)
1067 return (DID_ERROR);
1068
1069 if (ips_is_passthru(SC)) {
1070 if (ha->copp_waitlist.count == IPS_MAX_IOCTL_QUEUE) {
1071 SC->result = DID_BUS_BUSY << 16;
1072 done(SC);
1073
1074 return (0);
1075 }
1076 } else if (ha->scb_waitlist.count == IPS_MAX_QUEUE) {
1077 SC->result = DID_BUS_BUSY << 16;
1078 done(SC);
1079
1080 return (0);
1081 }
1082
1083 SC->scsi_done = done;
1084
1085 DEBUG_VAR(2, "(%s%d): ips_queue: cmd 0x%X (%d %d %d)",
1086 ips_name,
1087 ha->host_num,
1088 SC->cmnd[0],
1089 SC->device->channel, SC->device->id, SC->device->lun);
1090
1091 /* Check for command to initiator IDs */
1092 if ((scmd_channel(SC) > 0)
1093 && (scmd_id(SC) == ha->ha_id[scmd_channel(SC)])) {
1094 SC->result = DID_NO_CONNECT << 16;
1095 done(SC);
1096
1097 return (0);
1098 }
1099
1100 if (ips_is_passthru(SC)) {
1101
1102 ips_copp_wait_item_t *scratch;
1103
1104 /* A Reset IOCTL is only sent by the boot CD in extreme cases. */
1105 /* There can never be any system activity ( network or disk ), but check */
1106 /* anyway just as a good practice. */
1107 pt = (ips_passthru_t *) scsi_sglist(SC);
1108 if ((pt->CoppCP.cmd.reset.op_code == IPS_CMD_RESET_CHANNEL) &&
1109 (pt->CoppCP.cmd.reset.adapter_flag == 1)) {
1110 if (ha->scb_activelist.count != 0) {
1111 SC->result = DID_BUS_BUSY << 16;
1112 done(SC);
1113 return (0);
1114 }
1115 ha->ioctl_reset = 1; /* This reset request is from an IOCTL */
1116 __ips_eh_reset(SC);
1117 SC->result = DID_OK << 16;
1118 SC->scsi_done(SC);
1119 return (0);
1120 }
1121
1122 /* allocate space for the scribble */
1123 scratch = kmalloc(sizeof (ips_copp_wait_item_t), GFP_ATOMIC);
1124
1125 if (!scratch) {
1126 SC->result = DID_ERROR << 16;
1127 done(SC);
1128
1129 return (0);
1130 }
1131
1132 scratch->scsi_cmd = SC;
1133 scratch->next = NULL;
1134
1135 ips_putq_copp_tail(&ha->copp_waitlist, scratch);
1136 } else {
1137 ips_putq_wait_tail(&ha->scb_waitlist, SC);
1138 }
1139
1140 ips_next(ha, IPS_INTR_IORL);
1141
1142 return (0);
1143 }
1144
1145 /****************************************************************************/
1146 /* */
1147 /* Routine Name: ips_biosparam */
1148 /* */
1149 /* Routine Description: */
1150 /* */
1151 /* Set bios geometry for the controller */
1152 /* */
1153 /****************************************************************************/
1154 static int ips_biosparam(struct scsi_device *sdev, struct block_device *bdev,
1155 sector_t capacity, int geom[])
1156 {
1157 ips_ha_t *ha = (ips_ha_t *) sdev->host->hostdata;
1158 int heads;
1159 int sectors;
1160 int cylinders;
1161
1162 METHOD_TRACE("ips_biosparam", 1);
1163
1164 if (!ha)
1165 /* ?!?! host adater info invalid */
1166 return (0);
1167
1168 if (!ha->active)
1169 return (0);
1170
1171 if (!ips_read_adapter_status(ha, IPS_INTR_ON))
1172 /* ?!?! Enquiry command failed */
1173 return (0);
1174
1175 if ((capacity > 0x400000) && ((ha->enq->ucMiscFlag & 0x8) == 0)) {
1176 heads = IPS_NORM_HEADS;
1177 sectors = IPS_NORM_SECTORS;
1178 } else {
1179 heads = IPS_COMP_HEADS;
1180 sectors = IPS_COMP_SECTORS;
1181 }
1182
1183 cylinders = (unsigned long) capacity / (heads * sectors);
1184
1185 DEBUG_VAR(2, "Geometry: heads: %d, sectors: %d, cylinders: %d",
1186 heads, sectors, cylinders);
1187
1188 geom[0] = heads;
1189 geom[1] = sectors;
1190 geom[2] = cylinders;
1191
1192 return (0);
1193 }
1194
1195 /****************************************************************************/
1196 /* */
1197 /* Routine Name: ips_slave_configure */
1198 /* */
1199 /* Routine Description: */
1200 /* */
1201 /* Set queue depths on devices once scan is complete */
1202 /* */
1203 /****************************************************************************/
1204 static int
1205 ips_slave_configure(struct scsi_device * SDptr)
1206 {
1207 ips_ha_t *ha;
1208 int min;
1209
1210 ha = IPS_HA(SDptr->host);
1211 if (SDptr->tagged_supported && SDptr->type == TYPE_DISK) {
1212 min = ha->max_cmds / 2;
1213 if (ha->enq->ucLogDriveCount <= 2)
1214 min = ha->max_cmds - 1;
1215 scsi_adjust_queue_depth(SDptr, MSG_ORDERED_TAG, min);
1216 }
1217
1218 SDptr->skip_ms_page_8 = 1;
1219 SDptr->skip_ms_page_3f = 1;
1220 return 0;
1221 }
1222
1223 /****************************************************************************/
1224 /* */
1225 /* Routine Name: do_ipsintr */
1226 /* */
1227 /* Routine Description: */
1228 /* */
1229 /* Wrapper for the interrupt handler */
1230 /* */
1231 /****************************************************************************/
1232 static irqreturn_t
1233 do_ipsintr(int irq, void *dev_id)
1234 {
1235 ips_ha_t *ha;
1236 struct Scsi_Host *host;
1237 int irqstatus;
1238
1239 METHOD_TRACE("do_ipsintr", 2);
1240
1241 ha = (ips_ha_t *) dev_id;
1242 if (!ha)
1243 return IRQ_NONE;
1244 host = ips_sh[ha->host_num];
1245 /* interrupt during initialization */
1246 if (!host) {
1247 (*ha->func.intr) (ha);
1248 return IRQ_HANDLED;
1249 }
1250
1251 spin_lock(host->host_lock);
1252
1253 if (!ha->active) {
1254 spin_unlock(host->host_lock);
1255 return IRQ_HANDLED;
1256 }
1257
1258 irqstatus = (*ha->func.intr) (ha);
1259
1260 spin_unlock(host->host_lock);
1261
1262 /* start the next command */
1263 ips_next(ha, IPS_INTR_ON);
1264 return IRQ_RETVAL(irqstatus);
1265 }
1266
1267 /****************************************************************************/
1268 /* */
1269 /* Routine Name: ips_intr_copperhead */
1270 /* */
1271 /* Routine Description: */
1272 /* */
1273 /* Polling interrupt handler */
1274 /* */
1275 /* ASSUMES interrupts are disabled */
1276 /* */
1277 /****************************************************************************/
1278 int
1279 ips_intr_copperhead(ips_ha_t * ha)
1280 {
1281 ips_stat_t *sp;
1282 ips_scb_t *scb;
1283 IPS_STATUS cstatus;
1284 int intrstatus;
1285
1286 METHOD_TRACE("ips_intr", 2);
1287
1288 if (!ha)
1289 return 0;
1290
1291 if (!ha->active)
1292 return 0;
1293
1294 intrstatus = (*ha->func.isintr) (ha);
1295
1296 if (!intrstatus) {
1297 /*
1298 * Unexpected/Shared interrupt
1299 */
1300
1301 return 0;
1302 }
1303
1304 while (TRUE) {
1305 sp = &ha->sp;
1306
1307 intrstatus = (*ha->func.isintr) (ha);
1308
1309 if (!intrstatus)
1310 break;
1311 else
1312 cstatus.value = (*ha->func.statupd) (ha);
1313
1314 if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) {
1315 /* Spurious Interupt ? */
1316 continue;
1317 }
1318
1319 ips_chkstatus(ha, &cstatus);
1320 scb = (ips_scb_t *) sp->scb_addr;
1321
1322 /*
1323 * use the callback function to finish things up
1324 * NOTE: interrupts are OFF for this
1325 */
1326 (*scb->callback) (ha, scb);
1327 } /* end while */
1328 return 1;
1329 }
1330
1331 /****************************************************************************/
1332 /* */
1333 /* Routine Name: ips_intr_morpheus */
1334 /* */
1335 /* Routine Description: */
1336 /* */
1337 /* Polling interrupt handler */
1338 /* */
1339 /* ASSUMES interrupts are disabled */
1340 /* */
1341 /****************************************************************************/
1342 int
1343 ips_intr_morpheus(ips_ha_t * ha)
1344 {
1345 ips_stat_t *sp;
1346 ips_scb_t *scb;
1347 IPS_STATUS cstatus;
1348 int intrstatus;
1349
1350 METHOD_TRACE("ips_intr_morpheus", 2);
1351
1352 if (!ha)
1353 return 0;
1354
1355 if (!ha->active)
1356 return 0;
1357
1358 intrstatus = (*ha->func.isintr) (ha);
1359
1360 if (!intrstatus) {
1361 /*
1362 * Unexpected/Shared interrupt
1363 */
1364
1365 return 0;
1366 }
1367
1368 while (TRUE) {
1369 sp = &ha->sp;
1370
1371 intrstatus = (*ha->func.isintr) (ha);
1372
1373 if (!intrstatus)
1374 break;
1375 else
1376 cstatus.value = (*ha->func.statupd) (ha);
1377
1378 if (cstatus.value == 0xffffffff)
1379 /* No more to process */
1380 break;
1381
1382 if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) {
1383 IPS_PRINTK(KERN_WARNING, ha->pcidev,
1384 "Spurious interrupt; no ccb.\n");
1385
1386 continue;
1387 }
1388
1389 ips_chkstatus(ha, &cstatus);
1390 scb = (ips_scb_t *) sp->scb_addr;
1391
1392 /*
1393 * use the callback function to finish things up
1394 * NOTE: interrupts are OFF for this
1395 */
1396 (*scb->callback) (ha, scb);
1397 } /* end while */
1398 return 1;
1399 }
1400
1401 /****************************************************************************/
1402 /* */
1403 /* Routine Name: ips_info */
1404 /* */
1405 /* Routine Description: */
1406 /* */
1407 /* Return info about the driver */
1408 /* */
1409 /****************************************************************************/
1410 static const char *
1411 ips_info(struct Scsi_Host *SH)
1412 {
1413 static char buffer[256];
1414 char *bp;
1415 ips_ha_t *ha;
1416
1417 METHOD_TRACE("ips_info", 1);
1418
1419 ha = IPS_HA(SH);
1420
1421 if (!ha)
1422 return (NULL);
1423
1424 bp = &buffer[0];
1425 memset(bp, 0, sizeof (buffer));
1426
1427 sprintf(bp, "%s%s%s Build %d", "IBM PCI ServeRAID ",
1428 IPS_VERSION_HIGH, IPS_VERSION_LOW, IPS_BUILD_IDENT);
1429
1430 if (ha->ad_type > 0 && ha->ad_type <= MAX_ADAPTER_NAME) {
1431 strcat(bp, " <");
1432 strcat(bp, ips_adapter_name[ha->ad_type - 1]);
1433 strcat(bp, ">");
1434 }
1435
1436 return (bp);
1437 }
1438
1439 /****************************************************************************/
1440 /* */
1441 /* Routine Name: ips_proc_info */
1442 /* */
1443 /* Routine Description: */
1444 /* */
1445 /* The passthru interface for the driver */
1446 /* */
1447 /****************************************************************************/
1448 static int
1449 ips_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
1450 int length, int func)
1451 {
1452 int i;
1453 int ret;
1454 ips_ha_t *ha = NULL;
1455
1456 METHOD_TRACE("ips_proc_info", 1);
1457
1458 /* Find our host structure */
1459 for (i = 0; i < ips_next_controller; i++) {
1460 if (ips_sh[i]) {
1461 if (ips_sh[i] == host) {
1462 ha = (ips_ha_t *) ips_sh[i]->hostdata;
1463 break;
1464 }
1465 }
1466 }
1467
1468 if (!ha)
1469 return (-EINVAL);
1470
1471 if (func) {
1472 /* write */
1473 return (0);
1474 } else {
1475 /* read */
1476 if (start)
1477 *start = buffer;
1478
1479 ret = ips_host_info(ha, buffer, offset, length);
1480
1481 return (ret);
1482 }
1483 }
1484
1485 /*--------------------------------------------------------------------------*/
1486 /* Helper Functions */
1487 /*--------------------------------------------------------------------------*/
1488
1489 /****************************************************************************/
1490 /* */
1491 /* Routine Name: ips_is_passthru */
1492 /* */
1493 /* Routine Description: */
1494 /* */
1495 /* Determine if the specified SCSI command is really a passthru command */
1496 /* */
1497 /****************************************************************************/
1498 static int ips_is_passthru(struct scsi_cmnd *SC)
1499 {
1500 unsigned long flags;
1501
1502 METHOD_TRACE("ips_is_passthru", 1);
1503
1504 if (!SC)
1505 return (0);
1506
1507 if ((SC->cmnd[0] == IPS_IOCTL_COMMAND) &&
1508 (SC->device->channel == 0) &&
1509 (SC->device->id == IPS_ADAPTER_ID) &&
1510 (SC->device->lun == 0) && scsi_sglist(SC)) {
1511 struct scatterlist *sg = scsi_sglist(SC);
1512 char *buffer;
1513
1514 /* kmap_atomic() ensures addressability of the user buffer.*/
1515 /* local_irq_save() protects the KM_IRQ0 address slot. */
1516 local_irq_save(flags);
1517 buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
1518 if (buffer && buffer[0] == 'C' && buffer[1] == 'O' &&
1519 buffer[2] == 'P' && buffer[3] == 'P') {
1520 kunmap_atomic(buffer - sg->offset, KM_IRQ0);
1521 local_irq_restore(flags);
1522 return 1;
1523 }
1524 kunmap_atomic(buffer - sg->offset, KM_IRQ0);
1525 local_irq_restore(flags);
1526 }
1527 return 0;
1528 }
1529
1530 /****************************************************************************/
1531 /* */
1532 /* Routine Name: ips_alloc_passthru_buffer */
1533 /* */
1534 /* Routine Description: */
1535 /* allocate a buffer large enough for the ioctl data if the ioctl buffer */
1536 /* is too small or doesn't exist */
1537 /****************************************************************************/
1538 static int
1539 ips_alloc_passthru_buffer(ips_ha_t * ha, int length)
1540 {
1541 void *bigger_buf;
1542 dma_addr_t dma_busaddr;
1543
1544 if (ha->ioctl_data && length <= ha->ioctl_len)
1545 return 0;
1546 /* there is no buffer or it's not big enough, allocate a new one */
1547 bigger_buf = pci_alloc_consistent(ha->pcidev, length, &dma_busaddr);
1548 if (bigger_buf) {
1549 /* free the old memory */
1550 pci_free_consistent(ha->pcidev, ha->ioctl_len, ha->ioctl_data,
1551 ha->ioctl_busaddr);
1552 /* use the new memory */
1553 ha->ioctl_data = (char *) bigger_buf;
1554 ha->ioctl_len = length;
1555 ha->ioctl_busaddr = dma_busaddr;
1556 } else {
1557 return -1;
1558 }
1559 return 0;
1560 }
1561
1562 /****************************************************************************/
1563 /* */
1564 /* Routine Name: ips_make_passthru */
1565 /* */
1566 /* Routine Description: */
1567 /* */
1568 /* Make a passthru command out of the info in the Scsi block */
1569 /* */
1570 /****************************************************************************/
1571 static int
1572 ips_make_passthru(ips_ha_t *ha, struct scsi_cmnd *SC, ips_scb_t *scb, int intr)
1573 {
1574 ips_passthru_t *pt;
1575 int length = 0;
1576 int i, ret;
1577 struct scatterlist *sg = scsi_sglist(SC);
1578
1579 METHOD_TRACE("ips_make_passthru", 1);
1580
1581 scsi_for_each_sg(SC, sg, scsi_sg_count(SC), i)
1582 length += sg[i].length;
1583
1584 if (length < sizeof (ips_passthru_t)) {
1585 /* wrong size */
1586 DEBUG_VAR(1, "(%s%d) Passthru structure wrong size",
1587 ips_name, ha->host_num);
1588 return (IPS_FAILURE);
1589 }
1590 if (ips_alloc_passthru_buffer(ha, length)) {
1591 /* allocation failure! If ha->ioctl_data exists, use it to return
1592 some error codes. Return a failed command to the scsi layer. */
1593 if (ha->ioctl_data) {
1594 pt = (ips_passthru_t *) ha->ioctl_data;
1595 ips_scmd_buf_read(SC, pt, sizeof (ips_passthru_t));
1596 pt->BasicStatus = 0x0B;
1597 pt->ExtendedStatus = 0x00;
1598 ips_scmd_buf_write(SC, pt, sizeof (ips_passthru_t));
1599 }
1600 return IPS_FAILURE;
1601 }
1602 ha->ioctl_datasize = length;
1603
1604 ips_scmd_buf_read(SC, ha->ioctl_data, ha->ioctl_datasize);
1605 pt = (ips_passthru_t *) ha->ioctl_data;
1606
1607 /*
1608 * Some notes about the passthru interface used
1609 *
1610 * IF the scsi op_code == 0x0d then we assume
1611 * that the data came along with/goes with the
1612 * packet we received from the sg driver. In this
1613 * case the CmdBSize field of the pt structure is
1614 * used for the size of the buffer.
1615 */
1616
1617 switch (pt->CoppCmd) {
1618 case IPS_NUMCTRLS:
1619 memcpy(ha->ioctl_data + sizeof (ips_passthru_t),
1620 &ips_num_controllers, sizeof (int));
1621 ips_scmd_buf_write(SC, ha->ioctl_data,
1622 sizeof (ips_passthru_t) + sizeof (int));
1623 SC->result = DID_OK << 16;
1624
1625 return (IPS_SUCCESS_IMM);
1626
1627 case IPS_COPPUSRCMD:
1628 case IPS_COPPIOCCMD:
1629 if (SC->cmnd[0] == IPS_IOCTL_COMMAND) {
1630 if (length < (sizeof (ips_passthru_t) + pt->CmdBSize)) {
1631 /* wrong size */
1632 DEBUG_VAR(1,
1633 "(%s%d) Passthru structure wrong size",
1634 ips_name, ha->host_num);
1635
1636 return (IPS_FAILURE);
1637 }
1638
1639 if (ha->device_id == IPS_DEVICEID_COPPERHEAD &&
1640 pt->CoppCP.cmd.flashfw.op_code ==
1641 IPS_CMD_RW_BIOSFW) {
1642 ret = ips_flash_copperhead(ha, pt, scb);
1643 ips_scmd_buf_write(SC, ha->ioctl_data,
1644 sizeof (ips_passthru_t));
1645 return ret;
1646 }
1647 if (ips_usrcmd(ha, pt, scb))
1648 return (IPS_SUCCESS);
1649 else
1650 return (IPS_FAILURE);
1651 }
1652
1653 break;
1654
1655 } /* end switch */
1656
1657 return (IPS_FAILURE);
1658 }
1659
1660 /****************************************************************************/
1661 /* Routine Name: ips_flash_copperhead */
1662 /* Routine Description: */
1663 /* Flash the BIOS/FW on a Copperhead style controller */
1664 /****************************************************************************/
1665 static int
1666 ips_flash_copperhead(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1667 {
1668 int datasize;
1669
1670 /* Trombone is the only copperhead that can do packet flash, but only
1671 * for firmware. No one said it had to make sence. */
1672 if (IPS_IS_TROMBONE(ha) && pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE) {
1673 if (ips_usrcmd(ha, pt, scb))
1674 return IPS_SUCCESS;
1675 else
1676 return IPS_FAILURE;
1677 }
1678 pt->BasicStatus = 0x0B;
1679 pt->ExtendedStatus = 0;
1680 scb->scsi_cmd->result = DID_OK << 16;
1681 /* IF it's OK to Use the "CD BOOT" Flash Buffer, then you can */
1682 /* avoid allocating a huge buffer per adapter ( which can fail ). */
1683 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1684 pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS) {
1685 pt->BasicStatus = 0;
1686 return ips_flash_bios(ha, pt, scb);
1687 } else if (pt->CoppCP.cmd.flashfw.packet_num == 0) {
1688 if (ips_FlashData && !test_and_set_bit(0, &ips_FlashDataInUse)){
1689 ha->flash_data = ips_FlashData;
1690 ha->flash_busaddr = ips_flashbusaddr;
1691 ha->flash_len = PAGE_SIZE << 7;
1692 ha->flash_datasize = 0;
1693 } else if (!ha->flash_data) {
1694 datasize = pt->CoppCP.cmd.flashfw.total_packets *
1695 pt->CoppCP.cmd.flashfw.count;
1696 ha->flash_data = pci_alloc_consistent(ha->pcidev,
1697 datasize,
1698 &ha->flash_busaddr);
1699 if (!ha->flash_data){
1700 printk(KERN_WARNING "Unable to allocate a flash buffer\n");
1701 return IPS_FAILURE;
1702 }
1703 ha->flash_datasize = 0;
1704 ha->flash_len = datasize;
1705 } else
1706 return IPS_FAILURE;
1707 } else {
1708 if (pt->CoppCP.cmd.flashfw.count + ha->flash_datasize >
1709 ha->flash_len) {
1710 ips_free_flash_copperhead(ha);
1711 IPS_PRINTK(KERN_WARNING, ha->pcidev,
1712 "failed size sanity check\n");
1713 return IPS_FAILURE;
1714 }
1715 }
1716 if (!ha->flash_data)
1717 return IPS_FAILURE;
1718 pt->BasicStatus = 0;
1719 memcpy(&ha->flash_data[ha->flash_datasize], pt + 1,
1720 pt->CoppCP.cmd.flashfw.count);
1721 ha->flash_datasize += pt->CoppCP.cmd.flashfw.count;
1722 if (pt->CoppCP.cmd.flashfw.packet_num ==
1723 pt->CoppCP.cmd.flashfw.total_packets - 1) {
1724 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE)
1725 return ips_flash_bios(ha, pt, scb);
1726 else if (pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE)
1727 return ips_flash_firmware(ha, pt, scb);
1728 }
1729 return IPS_SUCCESS_IMM;
1730 }
1731
1732 /****************************************************************************/
1733 /* Routine Name: ips_flash_bios */
1734 /* Routine Description: */
1735 /* flashes the bios of a copperhead adapter */
1736 /****************************************************************************/
1737 static int
1738 ips_flash_bios(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1739 {
1740
1741 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1742 pt->CoppCP.cmd.flashfw.direction == IPS_WRITE_BIOS) {
1743 if ((!ha->func.programbios) || (!ha->func.erasebios) ||
1744 (!ha->func.verifybios))
1745 goto error;
1746 if ((*ha->func.erasebios) (ha)) {
1747 DEBUG_VAR(1,
1748 "(%s%d) flash bios failed - unable to erase flash",
1749 ips_name, ha->host_num);
1750 goto error;
1751 } else
1752 if ((*ha->func.programbios) (ha,
1753 ha->flash_data +
1754 IPS_BIOS_HEADER,
1755 ha->flash_datasize -
1756 IPS_BIOS_HEADER, 0)) {
1757 DEBUG_VAR(1,
1758 "(%s%d) flash bios failed - unable to flash",
1759 ips_name, ha->host_num);
1760 goto error;
1761 } else
1762 if ((*ha->func.verifybios) (ha,
1763 ha->flash_data +
1764 IPS_BIOS_HEADER,
1765 ha->flash_datasize -
1766 IPS_BIOS_HEADER, 0)) {
1767 DEBUG_VAR(1,
1768 "(%s%d) flash bios failed - unable to verify flash",
1769 ips_name, ha->host_num);
1770 goto error;
1771 }
1772 ips_free_flash_copperhead(ha);
1773 return IPS_SUCCESS_IMM;
1774 } else if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1775 pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS) {
1776 if (!ha->func.erasebios)
1777 goto error;
1778 if ((*ha->func.erasebios) (ha)) {
1779 DEBUG_VAR(1,
1780 "(%s%d) flash bios failed - unable to erase flash",
1781 ips_name, ha->host_num);
1782 goto error;
1783 }
1784 return IPS_SUCCESS_IMM;
1785 }
1786 error:
1787 pt->BasicStatus = 0x0B;
1788 pt->ExtendedStatus = 0x00;
1789 ips_free_flash_copperhead(ha);
1790 return IPS_FAILURE;
1791 }
1792
1793 /****************************************************************************/
1794 /* */
1795 /* Routine Name: ips_fill_scb_sg_single */
1796 /* */
1797 /* Routine Description: */
1798 /* Fill in a single scb sg_list element from an address */
1799 /* return a -1 if a breakup occurred */
1800 /****************************************************************************/
1801 static int
1802 ips_fill_scb_sg_single(ips_ha_t * ha, dma_addr_t busaddr,
1803 ips_scb_t * scb, int indx, unsigned int e_len)
1804 {
1805
1806 int ret_val = 0;
1807
1808 if ((scb->data_len + e_len) > ha->max_xfer) {
1809 e_len = ha->max_xfer - scb->data_len;
1810 scb->breakup = indx;
1811 ++scb->sg_break;
1812 ret_val = -1;
1813 } else {
1814 scb->breakup = 0;
1815 scb->sg_break = 0;
1816 }
1817 if (IPS_USE_ENH_SGLIST(ha)) {
1818 scb->sg_list.enh_list[indx].address_lo =
1819 cpu_to_le32(pci_dma_lo32(busaddr));
1820 scb->sg_list.enh_list[indx].address_hi =
1821 cpu_to_le32(pci_dma_hi32(busaddr));
1822 scb->sg_list.enh_list[indx].length = cpu_to_le32(e_len);
1823 } else {
1824 scb->sg_list.std_list[indx].address =
1825 cpu_to_le32(pci_dma_lo32(busaddr));
1826 scb->sg_list.std_list[indx].length = cpu_to_le32(e_len);
1827 }
1828
1829 ++scb->sg_len;
1830 scb->data_len += e_len;
1831 return ret_val;
1832 }
1833
1834 /****************************************************************************/
1835 /* Routine Name: ips_flash_firmware */
1836 /* Routine Description: */
1837 /* flashes the firmware of a copperhead adapter */
1838 /****************************************************************************/
1839 static int
1840 ips_flash_firmware(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1841 {
1842 IPS_SG_LIST sg_list;
1843 uint32_t cmd_busaddr;
1844
1845 if (pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE &&
1846 pt->CoppCP.cmd.flashfw.direction == IPS_WRITE_FW) {
1847 memset(&pt->CoppCP.cmd, 0, sizeof (IPS_HOST_COMMAND));
1848 pt->CoppCP.cmd.flashfw.op_code = IPS_CMD_DOWNLOAD;
1849 pt->CoppCP.cmd.flashfw.count = cpu_to_le32(ha->flash_datasize);
1850 } else {
1851 pt->BasicStatus = 0x0B;
1852 pt->ExtendedStatus = 0x00;
1853 ips_free_flash_copperhead(ha);
1854 return IPS_FAILURE;
1855 }
1856 /* Save the S/G list pointer so it doesn't get clobbered */
1857 sg_list.list = scb->sg_list.list;
1858 cmd_busaddr = scb->scb_busaddr;
1859 /* copy in the CP */
1860 memcpy(&scb->cmd, &pt->CoppCP.cmd, sizeof (IPS_IOCTL_CMD));
1861 /* FIX stuff that might be wrong */
1862 scb->sg_list.list = sg_list.list;
1863 scb->scb_busaddr = cmd_busaddr;
1864 scb->bus = scb->scsi_cmd->device->channel;
1865 scb->target_id = scb->scsi_cmd->device->id;
1866 scb->lun = scb->scsi_cmd->device->lun;
1867 scb->sg_len = 0;
1868 scb->data_len = 0;
1869 scb->flags = 0;
1870 scb->op_code = 0;
1871 scb->callback = ipsintr_done;
1872 scb->timeout = ips_cmd_timeout;
1873
1874 scb->data_len = ha->flash_datasize;
1875 scb->data_busaddr =
1876 pci_map_single(ha->pcidev, ha->flash_data, scb->data_len,
1877 IPS_DMA_DIR(scb));
1878 scb->flags |= IPS_SCB_MAP_SINGLE;
1879 scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb);
1880 scb->cmd.flashfw.buffer_addr = cpu_to_le32(scb->data_busaddr);
1881 if (pt->TimeOut)
1882 scb->timeout = pt->TimeOut;
1883 scb->scsi_cmd->result = DID_OK << 16;
1884 return IPS_SUCCESS;
1885 }
1886
1887 /****************************************************************************/
1888 /* Routine Name: ips_free_flash_copperhead */
1889 /* Routine Description: */
1890 /* release the memory resources used to hold the flash image */
1891 /****************************************************************************/
1892 static void
1893 ips_free_flash_copperhead(ips_ha_t * ha)
1894 {
1895 if (ha->flash_data == ips_FlashData)
1896 test_and_clear_bit(0, &ips_FlashDataInUse);
1897 else if (ha->flash_data)
1898 pci_free_consistent(ha->pcidev, ha->flash_len, ha->flash_data,
1899 ha->flash_busaddr);
1900 ha->flash_data = NULL;
1901 }
1902
1903 /****************************************************************************/
1904 /* */
1905 /* Routine Name: ips_usrcmd */
1906 /* */
1907 /* Routine Description: */
1908 /* */
1909 /* Process a user command and make it ready to send */
1910 /* */
1911 /****************************************************************************/
1912 static int
1913 ips_usrcmd(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1914 {
1915 IPS_SG_LIST sg_list;
1916 uint32_t cmd_busaddr;
1917
1918 METHOD_TRACE("ips_usrcmd", 1);
1919
1920 if ((!scb) || (!pt) || (!ha))
1921 return (0);
1922
1923 /* Save the S/G list pointer so it doesn't get clobbered */
1924 sg_list.list = scb->sg_list.list;
1925 cmd_busaddr = scb->scb_busaddr;
1926 /* copy in the CP */
1927 memcpy(&scb->cmd, &pt->CoppCP.cmd, sizeof (IPS_IOCTL_CMD));
1928 memcpy(&scb->dcdb, &pt->CoppCP.dcdb, sizeof (IPS_DCDB_TABLE));
1929
1930 /* FIX stuff that might be wrong */
1931 scb->sg_list.list = sg_list.list;
1932 scb->scb_busaddr = cmd_busaddr;
1933 scb->bus = scb->scsi_cmd->device->channel;
1934 scb->target_id = scb->scsi_cmd->device->id;
1935 scb->lun = scb->scsi_cmd->device->lun;
1936 scb->sg_len = 0;
1937 scb->data_len = 0;
1938 scb->flags = 0;
1939 scb->op_code = 0;
1940 scb->callback = ipsintr_done;
1941 scb->timeout = ips_cmd_timeout;
1942 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
1943
1944 /* we don't support DCDB/READ/WRITE Scatter Gather */
1945 if ((scb->cmd.basic_io.op_code == IPS_CMD_READ_SG) ||
1946 (scb->cmd.basic_io.op_code == IPS_CMD_WRITE_SG) ||
1947 (scb->cmd.basic_io.op_code == IPS_CMD_DCDB_SG))
1948 return (0);
1949
1950 if (pt->CmdBSize) {
1951 scb->data_len = pt->CmdBSize;
1952 scb->data_busaddr = ha->ioctl_busaddr + sizeof (ips_passthru_t);
1953 } else {
1954 scb->data_busaddr = 0L;
1955 }
1956
1957 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB)
1958 scb->cmd.dcdb.dcdb_address = cpu_to_le32(scb->scb_busaddr +
1959 (unsigned long) &scb->
1960 dcdb -
1961 (unsigned long) scb);
1962
1963 if (pt->CmdBSize) {
1964 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB)
1965 scb->dcdb.buffer_pointer =
1966 cpu_to_le32(scb->data_busaddr);
1967 else
1968 scb->cmd.basic_io.sg_addr =
1969 cpu_to_le32(scb->data_busaddr);
1970 }
1971
1972 /* set timeouts */
1973 if (pt->TimeOut) {
1974 scb->timeout = pt->TimeOut;
1975
1976 if (pt->TimeOut <= 10)
1977 scb->dcdb.cmd_attribute |= IPS_TIMEOUT10;
1978 else if (pt->TimeOut <= 60)
1979 scb->dcdb.cmd_attribute |= IPS_TIMEOUT60;
1980 else
1981 scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M;
1982 }
1983
1984 /* assume success */
1985 scb->scsi_cmd->result = DID_OK << 16;
1986
1987 /* success */
1988 return (1);
1989 }
1990
1991 /****************************************************************************/
1992 /* */
1993 /* Routine Name: ips_cleanup_passthru */
1994 /* */
1995 /* Routine Description: */
1996 /* */
1997 /* Cleanup after a passthru command */
1998 /* */
1999 /****************************************************************************/
2000 static void
2001 ips_cleanup_passthru(ips_ha_t * ha, ips_scb_t * scb)
2002 {
2003 ips_passthru_t *pt;
2004
2005 METHOD_TRACE("ips_cleanup_passthru", 1);
2006
2007 if ((!scb) || (!scb->scsi_cmd) || (!scsi_sglist(scb->scsi_cmd))) {
2008 DEBUG_VAR(1, "(%s%d) couldn't cleanup after passthru",
2009 ips_name, ha->host_num);
2010
2011 return;
2012 }
2013 pt = (ips_passthru_t *) ha->ioctl_data;
2014
2015 /* Copy data back to the user */
2016 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB) /* Copy DCDB Back to Caller's Area */
2017 memcpy(&pt->CoppCP.dcdb, &scb->dcdb, sizeof (IPS_DCDB_TABLE));
2018
2019 pt->BasicStatus = scb->basic_status;
2020 pt->ExtendedStatus = scb->extended_status;
2021 pt->AdapterType = ha->ad_type;
2022
2023 if (ha->device_id == IPS_DEVICEID_COPPERHEAD &&
2024 (scb->cmd.flashfw.op_code == IPS_CMD_DOWNLOAD ||
2025 scb->cmd.flashfw.op_code == IPS_CMD_RW_BIOSFW))
2026 ips_free_flash_copperhead(ha);
2027
2028 ips_scmd_buf_write(scb->scsi_cmd, ha->ioctl_data, ha->ioctl_datasize);
2029 }
2030
2031 /****************************************************************************/
2032 /* */
2033 /* Routine Name: ips_host_info */
2034 /* */
2035 /* Routine Description: */
2036 /* */
2037 /* The passthru interface for the driver */
2038 /* */
2039 /****************************************************************************/
2040 static int
2041 ips_host_info(ips_ha_t * ha, char *ptr, off_t offset, int len)
2042 {
2043 IPS_INFOSTR info;
2044
2045 METHOD_TRACE("ips_host_info", 1);
2046
2047 info.buffer = ptr;
2048 info.length = len;
2049 info.offset = offset;
2050 info.pos = 0;
2051 info.localpos = 0;
2052
2053 copy_info(&info, "\nIBM ServeRAID General Information:\n\n");
2054
2055 if ((le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) &&
2056 (le16_to_cpu(ha->nvram->adapter_type) != 0))
2057 copy_info(&info, "\tController Type : %s\n",
2058 ips_adapter_name[ha->ad_type - 1]);
2059 else
2060 copy_info(&info,
2061 "\tController Type : Unknown\n");
2062
2063 if (ha->io_addr)
2064 copy_info(&info,
2065 "\tIO region : 0x%lx (%d bytes)\n",
2066 ha->io_addr, ha->io_len);
2067
2068 if (ha->mem_addr) {
2069 copy_info(&info,
2070 "\tMemory region : 0x%lx (%d bytes)\n",
2071 ha->mem_addr, ha->mem_len);
2072 copy_info(&info,
2073 "\tShared memory address : 0x%lx\n",
2074 ha->mem_ptr);
2075 }
2076
2077 copy_info(&info, "\tIRQ number : %d\n", ha->irq);
2078
2079 /* For the Next 3 lines Check for Binary 0 at the end and don't include it if it's there. */
2080 /* That keeps everything happy for "text" operations on the proc file. */
2081
2082 if (le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) {
2083 if (ha->nvram->bios_low[3] == 0) {
2084 copy_info(&info,
2085 "\tBIOS Version : %c%c%c%c%c%c%c\n",
2086 ha->nvram->bios_high[0], ha->nvram->bios_high[1],
2087 ha->nvram->bios_high[2], ha->nvram->bios_high[3],
2088 ha->nvram->bios_low[0], ha->nvram->bios_low[1],
2089 ha->nvram->bios_low[2]);
2090
2091 } else {
2092 copy_info(&info,
2093 "\tBIOS Version : %c%c%c%c%c%c%c%c\n",
2094 ha->nvram->bios_high[0], ha->nvram->bios_high[1],
2095 ha->nvram->bios_high[2], ha->nvram->bios_high[3],
2096 ha->nvram->bios_low[0], ha->nvram->bios_low[1],
2097 ha->nvram->bios_low[2], ha->nvram->bios_low[3]);
2098 }
2099
2100 }
2101
2102 if (ha->enq->CodeBlkVersion[7] == 0) {
2103 copy_info(&info,
2104 "\tFirmware Version : %c%c%c%c%c%c%c\n",
2105 ha->enq->CodeBlkVersion[0], ha->enq->CodeBlkVersion[1],
2106 ha->enq->CodeBlkVersion[2], ha->enq->CodeBlkVersion[3],
2107 ha->enq->CodeBlkVersion[4], ha->enq->CodeBlkVersion[5],
2108 ha->enq->CodeBlkVersion[6]);
2109 } else {
2110 copy_info(&info,
2111 "\tFirmware Version : %c%c%c%c%c%c%c%c\n",
2112 ha->enq->CodeBlkVersion[0], ha->enq->CodeBlkVersion[1],
2113 ha->enq->CodeBlkVersion[2], ha->enq->CodeBlkVersion[3],
2114 ha->enq->CodeBlkVersion[4], ha->enq->CodeBlkVersion[5],
2115 ha->enq->CodeBlkVersion[6], ha->enq->CodeBlkVersion[7]);
2116 }
2117
2118 if (ha->enq->BootBlkVersion[7] == 0) {
2119 copy_info(&info,
2120 "\tBoot Block Version : %c%c%c%c%c%c%c\n",
2121 ha->enq->BootBlkVersion[0], ha->enq->BootBlkVersion[1],
2122 ha->enq->BootBlkVersion[2], ha->enq->BootBlkVersion[3],
2123 ha->enq->BootBlkVersion[4], ha->enq->BootBlkVersion[5],
2124 ha->enq->BootBlkVersion[6]);
2125 } else {
2126 copy_info(&info,
2127 "\tBoot Block Version : %c%c%c%c%c%c%c%c\n",
2128 ha->enq->BootBlkVersion[0], ha->enq->BootBlkVersion[1],
2129 ha->enq->BootBlkVersion[2], ha->enq->BootBlkVersion[3],
2130 ha->enq->BootBlkVersion[4], ha->enq->BootBlkVersion[5],
2131 ha->enq->BootBlkVersion[6], ha->enq->BootBlkVersion[7]);
2132 }
2133
2134 copy_info(&info, "\tDriver Version : %s%s\n",
2135 IPS_VERSION_HIGH, IPS_VERSION_LOW);
2136
2137 copy_info(&info, "\tDriver Build : %d\n",
2138 IPS_BUILD_IDENT);
2139
2140 copy_info(&info, "\tMax Physical Devices : %d\n",
2141 ha->enq->ucMaxPhysicalDevices);
2142 copy_info(&info, "\tMax Active Commands : %d\n",
2143 ha->max_cmds);
2144 copy_info(&info, "\tCurrent Queued Commands : %d\n",
2145 ha->scb_waitlist.count);
2146 copy_info(&info, "\tCurrent Active Commands : %d\n",
2147 ha->scb_activelist.count - ha->num_ioctl);
2148 copy_info(&info, "\tCurrent Queued PT Commands : %d\n",
2149 ha->copp_waitlist.count);
2150 copy_info(&info, "\tCurrent Active PT Commands : %d\n",
2151 ha->num_ioctl);
2152
2153 copy_info(&info, "\n");
2154
2155 return (info.localpos);
2156 }
2157
2158 /****************************************************************************/
2159 /* */
2160 /* Routine Name: copy_mem_info */
2161 /* */
2162 /* Routine Description: */
2163 /* */
2164 /* Copy data into an IPS_INFOSTR structure */
2165 /* */
2166 /****************************************************************************/
2167 static void
2168 copy_mem_info(IPS_INFOSTR * info, char *data, int len)
2169 {
2170 METHOD_TRACE("copy_mem_info", 1);
2171
2172 if (info->pos + len < info->offset) {
2173 info->pos += len;
2174 return;
2175 }
2176
2177 if (info->pos < info->offset) {
2178 data += (info->offset - info->pos);
2179 len -= (info->offset - info->pos);
2180 info->pos += (info->offset - info->pos);
2181 }
2182
2183 if (info->localpos + len > info->length)
2184 len = info->length - info->localpos;
2185
2186 if (len > 0) {
2187 memcpy(info->buffer + info->localpos, data, len);
2188 info->pos += len;
2189 info->localpos += len;
2190 }
2191 }
2192
2193 /****************************************************************************/
2194 /* */
2195 /* Routine Name: copy_info */
2196 /* */
2197 /* Routine Description: */
2198 /* */
2199 /* printf style wrapper for an info structure */
2200 /* */
2201 /****************************************************************************/
2202 static int
2203 copy_info(IPS_INFOSTR * info, char *fmt, ...)
2204 {
2205 va_list args;
2206 char buf[128];
2207 int len;
2208
2209 METHOD_TRACE("copy_info", 1);
2210
2211 va_start(args, fmt);
2212 len = vsprintf(buf, fmt, args);
2213 va_end(args);
2214
2215 copy_mem_info(info, buf, len);
2216
2217 return (len);
2218 }
2219
2220 /****************************************************************************/
2221 /* */
2222 /* Routine Name: ips_identify_controller */
2223 /* */
2224 /* Routine Description: */
2225 /* */
2226 /* Identify this controller */
2227 /* */
2228 /****************************************************************************/
2229 static void
2230 ips_identify_controller(ips_ha_t * ha)
2231 {
2232 METHOD_TRACE("ips_identify_controller", 1);
2233
2234 switch (ha->device_id) {
2235 case IPS_DEVICEID_COPPERHEAD:
2236 if (ha->revision_id <= IPS_REVID_SERVERAID) {
2237 ha->ad_type = IPS_ADTYPE_SERVERAID;
2238 } else if (ha->revision_id == IPS_REVID_SERVERAID2) {
2239 ha->ad_type = IPS_ADTYPE_SERVERAID2;
2240 } else if (ha->revision_id == IPS_REVID_NAVAJO) {
2241 ha->ad_type = IPS_ADTYPE_NAVAJO;
2242 } else if ((ha->revision_id == IPS_REVID_SERVERAID2)
2243 && (ha->slot_num == 0)) {
2244 ha->ad_type = IPS_ADTYPE_KIOWA;
2245 } else if ((ha->revision_id >= IPS_REVID_CLARINETP1) &&
2246 (ha->revision_id <= IPS_REVID_CLARINETP3)) {
2247 if (ha->enq->ucMaxPhysicalDevices == 15)
2248 ha->ad_type = IPS_ADTYPE_SERVERAID3L;
2249 else
2250 ha->ad_type = IPS_ADTYPE_SERVERAID3;
2251 } else if ((ha->revision_id >= IPS_REVID_TROMBONE32) &&
2252 (ha->revision_id <= IPS_REVID_TROMBONE64)) {
2253 ha->ad_type = IPS_ADTYPE_SERVERAID4H;
2254 }
2255 break;
2256
2257 case IPS_DEVICEID_MORPHEUS:
2258 switch (ha->subdevice_id) {
2259 case IPS_SUBDEVICEID_4L:
2260 ha->ad_type = IPS_ADTYPE_SERVERAID4L;
2261 break;
2262
2263 case IPS_SUBDEVICEID_4M:
2264 ha->ad_type = IPS_ADTYPE_SERVERAID4M;
2265 break;
2266
2267 case IPS_SUBDEVICEID_4MX:
2268 ha->ad_type = IPS_ADTYPE_SERVERAID4MX;
2269 break;
2270
2271 case IPS_SUBDEVICEID_4LX:
2272 ha->ad_type = IPS_ADTYPE_SERVERAID4LX;
2273 break;
2274
2275 case IPS_SUBDEVICEID_5I2:
2276 ha->ad_type = IPS_ADTYPE_SERVERAID5I2;
2277 break;
2278
2279 case IPS_SUBDEVICEID_5I1:
2280 ha->ad_type = IPS_ADTYPE_SERVERAID5I1;
2281 break;
2282 }
2283
2284 break;
2285
2286 case IPS_DEVICEID_MARCO:
2287 switch (ha->subdevice_id) {
2288 case IPS_SUBDEVICEID_6M:
2289 ha->ad_type = IPS_ADTYPE_SERVERAID6M;
2290 break;
2291 case IPS_SUBDEVICEID_6I:
2292 ha->ad_type = IPS_ADTYPE_SERVERAID6I;
2293 break;
2294 case IPS_SUBDEVICEID_7k:
2295 ha->ad_type = IPS_ADTYPE_SERVERAID7k;
2296 break;
2297 case IPS_SUBDEVICEID_7M:
2298 ha->ad_type = IPS_ADTYPE_SERVERAID7M;
2299 break;
2300 }
2301 break;
2302 }
2303 }
2304
2305 /****************************************************************************/
2306 /* */
2307 /* Routine Name: ips_get_bios_version */
2308 /* */
2309 /* Routine Description: */
2310 /* */
2311 /* Get the BIOS revision number */
2312 /* */
2313 /****************************************************************************/
2314 static void
2315 ips_get_bios_version(ips_ha_t * ha, int intr)
2316 {
2317 ips_scb_t *scb;
2318 int ret;
2319 uint8_t major;
2320 uint8_t minor;
2321 uint8_t subminor;
2322 uint8_t *buffer;
2323 char hexDigits[] =
2324 { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C',
2325 'D', 'E', 'F' };
2326
2327 METHOD_TRACE("ips_get_bios_version", 1);
2328
2329 major = 0;
2330 minor = 0;
2331
2332 strncpy(ha->bios_version, " ?", 8);
2333
2334 if (ha->device_id == IPS_DEVICEID_COPPERHEAD) {
2335 if (IPS_USE_MEMIO(ha)) {
2336 /* Memory Mapped I/O */
2337
2338 /* test 1st byte */
2339 writel(0, ha->mem_ptr + IPS_REG_FLAP);
2340 if (ha->revision_id == IPS_REVID_TROMBONE64)
2341 udelay(25); /* 25 us */
2342
2343 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0x55)
2344 return;
2345
2346 writel(1, ha->mem_ptr + IPS_REG_FLAP);
2347 if (ha->revision_id == IPS_REVID_TROMBONE64)
2348 udelay(25); /* 25 us */
2349
2350 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA)
2351 return;
2352
2353 /* Get Major version */
2354 writel(0x1FF, ha->mem_ptr + IPS_REG_FLAP);
2355 if (ha->revision_id == IPS_REVID_TROMBONE64)
2356 udelay(25); /* 25 us */
2357
2358 major = readb(ha->mem_ptr + IPS_REG_FLDP);
2359
2360 /* Get Minor version */
2361 writel(0x1FE, ha->mem_ptr + IPS_REG_FLAP);
2362 if (ha->revision_id == IPS_REVID_TROMBONE64)
2363 udelay(25); /* 25 us */
2364 minor = readb(ha->mem_ptr + IPS_REG_FLDP);
2365
2366 /* Get SubMinor version */
2367 writel(0x1FD, ha->mem_ptr + IPS_REG_FLAP);
2368 if (ha->revision_id == IPS_REVID_TROMBONE64)
2369 udelay(25); /* 25 us */
2370 subminor = readb(ha->mem_ptr + IPS_REG_FLDP);
2371
2372 } else {
2373 /* Programmed I/O */
2374
2375 /* test 1st byte */
2376 outl(0, ha->io_addr + IPS_REG_FLAP);
2377 if (ha->revision_id == IPS_REVID_TROMBONE64)
2378 udelay(25); /* 25 us */
2379
2380 if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55)
2381 return;
2382
2383 outl(cpu_to_le32(1), ha->io_addr + IPS_REG_FLAP);
2384 if (ha->revision_id == IPS_REVID_TROMBONE64)
2385 udelay(25); /* 25 us */
2386
2387 if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA)
2388 return;
2389
2390 /* Get Major version */
2391 outl(cpu_to_le32(0x1FF), ha->io_addr + IPS_REG_FLAP);
2392 if (ha->revision_id == IPS_REVID_TROMBONE64)
2393 udelay(25); /* 25 us */
2394
2395 major = inb(ha->io_addr + IPS_REG_FLDP);
2396
2397 /* Get Minor version */
2398 outl(cpu_to_le32(0x1FE), ha->io_addr + IPS_REG_FLAP);
2399 if (ha->revision_id == IPS_REVID_TROMBONE64)
2400 udelay(25); /* 25 us */
2401
2402 minor = inb(ha->io_addr + IPS_REG_FLDP);
2403
2404 /* Get SubMinor version */
2405 outl(cpu_to_le32(0x1FD), ha->io_addr + IPS_REG_FLAP);
2406 if (ha->revision_id == IPS_REVID_TROMBONE64)
2407 udelay(25); /* 25 us */
2408
2409 subminor = inb(ha->io_addr + IPS_REG_FLDP);
2410
2411 }
2412 } else {
2413 /* Morpheus Family - Send Command to the card */
2414
2415 buffer = ha->ioctl_data;
2416
2417 memset(buffer, 0, 0x1000);
2418
2419 scb = &ha->scbs[ha->max_cmds - 1];
2420
2421 ips_init_scb(ha, scb);
2422
2423 scb->timeout = ips_cmd_timeout;
2424 scb->cdb[0] = IPS_CMD_RW_BIOSFW;
2425
2426 scb->cmd.flashfw.op_code = IPS_CMD_RW_BIOSFW;
2427 scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb);
2428 scb->cmd.flashfw.type = 1;
2429 scb->cmd.flashfw.direction = 0;
2430 scb->cmd.flashfw.count = cpu_to_le32(0x800);
2431 scb->cmd.flashfw.total_packets = 1;
2432 scb->cmd.flashfw.packet_num = 0;
2433 scb->data_len = 0x1000;
2434 scb->cmd.flashfw.buffer_addr = ha->ioctl_busaddr;
2435
2436 /* issue the command */
2437 if (((ret =
2438 ips_send_wait(ha, scb, ips_cmd_timeout,
2439 intr)) == IPS_FAILURE)
2440 || (ret == IPS_SUCCESS_IMM)
2441 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) {
2442 /* Error occurred */
2443
2444 return;
2445 }
2446
2447 if ((buffer[0xC0] == 0x55) && (buffer[0xC1] == 0xAA)) {
2448 major = buffer[0x1ff + 0xC0]; /* Offset 0x1ff after the header (0xc0) */
2449 minor = buffer[0x1fe + 0xC0]; /* Offset 0x1fe after the header (0xc0) */
2450 subminor = buffer[0x1fd + 0xC0]; /* Offset 0x1fd after the header (0xc0) */
2451 } else {
2452 return;
2453 }
2454 }
2455
2456 ha->bios_version[0] = hexDigits[(major & 0xF0) >> 4];
2457 ha->bios_version[1] = '.';
2458 ha->bios_version[2] = hexDigits[major & 0x0F];
2459 ha->bios_version[3] = hexDigits[subminor];
2460 ha->bios_version[4] = '.';
2461 ha->bios_version[5] = hexDigits[(minor & 0xF0) >> 4];
2462 ha->bios_version[6] = hexDigits[minor & 0x0F];
2463 ha->bios_version[7] = 0;
2464 }
2465
2466 /****************************************************************************/
2467 /* */
2468 /* Routine Name: ips_hainit */
2469 /* */
2470 /* Routine Description: */
2471 /* */
2472 /* Initialize the controller */
2473 /* */
2474 /* NOTE: Assumes to be called from with a lock */
2475 /* */
2476 /****************************************************************************/
2477 static int
2478 ips_hainit(ips_ha_t * ha)
2479 {
2480 int i;
2481 struct timeval tv;
2482
2483 METHOD_TRACE("ips_hainit", 1);
2484
2485 if (!ha)
2486 return (0);
2487
2488 if (ha->func.statinit)
2489 (*ha->func.statinit) (ha);
2490
2491 if (ha->func.enableint)
2492 (*ha->func.enableint) (ha);
2493
2494 /* Send FFDC */
2495 ha->reset_count = 1;
2496 do_gettimeofday(&tv);
2497 ha->last_ffdc = tv.tv_sec;
2498 ips_ffdc_reset(ha, IPS_INTR_IORL);
2499
2500 if (!ips_read_config(ha, IPS_INTR_IORL)) {
2501 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2502 "unable to read config from controller.\n");
2503
2504 return (0);
2505 }
2506 /* end if */
2507 if (!ips_read_adapter_status(ha, IPS_INTR_IORL)) {
2508 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2509 "unable to read controller status.\n");
2510
2511 return (0);
2512 }
2513
2514 /* Identify this controller */
2515 ips_identify_controller(ha);
2516
2517 if (!ips_read_subsystem_parameters(ha, IPS_INTR_IORL)) {
2518 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2519 "unable to read subsystem parameters.\n");
2520
2521 return (0);
2522 }
2523
2524 /* write nvram user page 5 */
2525 if (!ips_write_driver_status(ha, IPS_INTR_IORL)) {
2526 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2527 "unable to write driver info to controller.\n");
2528
2529 return (0);
2530 }
2531
2532 /* If there are Logical Drives and a Reset Occurred, then an EraseStripeLock is Needed */
2533 if ((ha->conf->ucLogDriveCount > 0) && (ha->requires_esl == 1))
2534 ips_clear_adapter(ha, IPS_INTR_IORL);
2535
2536 /* set limits on SID, LUN, BUS */
2537 ha->ntargets = IPS_MAX_TARGETS + 1;
2538 ha->nlun = 1;
2539 ha->nbus = (ha->enq->ucMaxPhysicalDevices / IPS_MAX_TARGETS) + 1;
2540
2541 switch (ha->conf->logical_drive[0].ucStripeSize) {
2542 case 4:
2543 ha->max_xfer = 0x10000;
2544 break;
2545
2546 case 5:
2547 ha->max_xfer = 0x20000;
2548 break;
2549
2550 case 6:
2551 ha->max_xfer = 0x40000;
2552 break;
2553
2554 case 7:
2555 default:
2556 ha->max_xfer = 0x80000;
2557 break;
2558 }
2559
2560 /* setup max concurrent commands */
2561 if (le32_to_cpu(ha->subsys->param[4]) & 0x1) {
2562 /* Use the new method */
2563 ha->max_cmds = ha->enq->ucConcurrentCmdCount;
2564 } else {
2565 /* use the old method */
2566 switch (ha->conf->logical_drive[0].ucStripeSize) {
2567 case 4:
2568 ha->max_cmds = 32;
2569 break;
2570
2571 case 5:
2572 ha->max_cmds = 16;
2573 break;
2574
2575 case 6:
2576 ha->max_cmds = 8;
2577 break;
2578
2579 case 7:
2580 default:
2581 ha->max_cmds = 4;
2582 break;
2583 }
2584 }
2585
2586 /* Limit the Active Commands on a Lite Adapter */
2587 if ((ha->ad_type == IPS_ADTYPE_SERVERAID3L) ||
2588 (ha->ad_type == IPS_ADTYPE_SERVERAID4L) ||
2589 (ha->ad_type == IPS_ADTYPE_SERVERAID4LX)) {
2590 if ((ha->max_cmds > MaxLiteCmds) && (MaxLiteCmds))
2591 ha->max_cmds = MaxLiteCmds;
2592 }
2593
2594 /* set controller IDs */
2595 ha->ha_id[0] = IPS_ADAPTER_ID;
2596 for (i = 1; i < ha->nbus; i++) {
2597 ha->ha_id[i] = ha->conf->init_id[i - 1] & 0x1f;
2598 ha->dcdb_active[i - 1] = 0;
2599 }
2600
2601 return (1);
2602 }
2603
2604 /****************************************************************************/
2605 /* */
2606 /* Routine Name: ips_next */
2607 /* */
2608 /* Routine Description: */
2609 /* */
2610 /* Take the next command off the queue and send it to the controller */
2611 /* */
2612 /****************************************************************************/
2613 static void
2614 ips_next(ips_ha_t * ha, int intr)
2615 {
2616 ips_scb_t *scb;
2617 struct scsi_cmnd *SC;
2618 struct scsi_cmnd *p;
2619 struct scsi_cmnd *q;
2620 ips_copp_wait_item_t *item;
2621 int ret;
2622 struct Scsi_Host *host;
2623 METHOD_TRACE("ips_next", 1);
2624
2625 if (!ha)
2626 return;
2627 host = ips_sh[ha->host_num];
2628 /*
2629 * Block access to the queue function so
2630 * this command won't time out
2631 */
2632 if (intr == IPS_INTR_ON)
2633 spin_lock(host->host_lock);
2634
2635 if ((ha->subsys->param[3] & 0x300000)
2636 && (ha->scb_activelist.count == 0)) {
2637 struct timeval tv;
2638
2639 do_gettimeofday(&tv);
2640
2641 if (tv.tv_sec - ha->last_ffdc > IPS_SECS_8HOURS) {
2642 ha->last_ffdc = tv.tv_sec;
2643 ips_ffdc_time(ha);
2644 }
2645 }
2646
2647 /*
2648 * Send passthru commands
2649 * These have priority over normal I/O
2650 * but shouldn't affect performance too much
2651 * since we limit the number that can be active
2652 * on the card at any one time
2653 */
2654 while ((ha->num_ioctl < IPS_MAX_IOCTL) &&
2655 (ha->copp_waitlist.head) && (scb = ips_getscb(ha))) {
2656
2657 item = ips_removeq_copp_head(&ha->copp_waitlist);
2658 ha->num_ioctl++;
2659 if (intr == IPS_INTR_ON)
2660 spin_unlock(host->host_lock);
2661 scb->scsi_cmd = item->scsi_cmd;
2662 kfree(item);
2663
2664 ret = ips_make_passthru(ha, scb->scsi_cmd, scb, intr);
2665
2666 if (intr == IPS_INTR_ON)
2667 spin_lock(host->host_lock);
2668 switch (ret) {
2669 case IPS_FAILURE:
2670 if (scb->scsi_cmd) {
2671 scb->scsi_cmd->result = DID_ERROR << 16;
2672 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2673 }
2674
2675 ips_freescb(ha, scb);
2676 break;
2677 case IPS_SUCCESS_IMM:
2678 if (scb->scsi_cmd) {
2679 scb->scsi_cmd->result = DID_OK << 16;
2680 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2681 }
2682
2683 ips_freescb(ha, scb);
2684 break;
2685 default:
2686 break;
2687 } /* end case */
2688
2689 if (ret != IPS_SUCCESS) {
2690 ha->num_ioctl--;
2691 continue;
2692 }
2693
2694 ret = ips_send_cmd(ha, scb);
2695
2696 if (ret == IPS_SUCCESS)
2697 ips_putq_scb_head(&ha->scb_activelist, scb);
2698 else
2699 ha->num_ioctl--;
2700
2701 switch (ret) {
2702 case IPS_FAILURE:
2703 if (scb->scsi_cmd) {
2704 scb->scsi_cmd->result = DID_ERROR << 16;
2705 }
2706
2707 ips_freescb(ha, scb);
2708 break;
2709 case IPS_SUCCESS_IMM:
2710 ips_freescb(ha, scb);
2711 break;
2712 default:
2713 break;
2714 } /* end case */
2715
2716 }
2717
2718 /*
2719 * Send "Normal" I/O commands
2720 */
2721
2722 p = ha->scb_waitlist.head;
2723 while ((p) && (scb = ips_getscb(ha))) {
2724 if ((scmd_channel(p) > 0)
2725 && (ha->
2726 dcdb_active[scmd_channel(p) -
2727 1] & (1 << scmd_id(p)))) {
2728 ips_freescb(ha, scb);
2729 p = (struct scsi_cmnd *) p->host_scribble;
2730 continue;
2731 }
2732
2733 q = p;
2734 SC = ips_removeq_wait(&ha->scb_waitlist, q);
2735
2736 if (intr == IPS_INTR_ON)
2737 spin_unlock(host->host_lock); /* Unlock HA after command is taken off queue */
2738
2739 SC->result = DID_OK;
2740 SC->host_scribble = NULL;
2741
2742 memset(SC->sense_buffer, 0, sizeof (SC->sense_buffer));
2743
2744 scb->target_id = SC->device->id;
2745 scb->lun = SC->device->lun;
2746 scb->bus = SC->device->channel;
2747 scb->scsi_cmd = SC;
2748 scb->breakup = 0;
2749 scb->data_len = 0;
2750 scb->callback = ipsintr_done;
2751 scb->timeout = ips_cmd_timeout;
2752 memset(&scb->cmd, 0, 16);
2753
2754 /* copy in the CDB */
2755 memcpy(scb->cdb, SC->cmnd, SC->cmd_len);
2756
2757 scb->sg_count = scsi_dma_map(SC);
2758 BUG_ON(scb->sg_count < 0);
2759 if (scb->sg_count) {
2760 struct scatterlist *sg;
2761 int i;
2762
2763 scb->flags |= IPS_SCB_MAP_SG;
2764
2765 scsi_for_each_sg(SC, sg, scb->sg_count, i) {
2766 if (ips_fill_scb_sg_single
2767 (ha, sg_dma_address(sg), scb, i,
2768 sg_dma_len(sg)) < 0)
2769 break;
2770 }
2771 scb->dcdb.transfer_length = scb->data_len;
2772 } else {
2773 scb->data_busaddr = 0L;
2774 scb->sg_len = 0;
2775 scb->data_len = 0;
2776 scb->dcdb.transfer_length = 0;
2777 }
2778
2779 scb->dcdb.cmd_attribute =
2780 ips_command_direction[scb->scsi_cmd->cmnd[0]];
2781
2782 /* Allow a WRITE BUFFER Command to Have no Data */
2783 /* This is Used by Tape Flash Utilites */
2784 if ((scb->scsi_cmd->cmnd[0] == WRITE_BUFFER) && (scb->data_len == 0))
2785 scb->dcdb.cmd_attribute = 0;
2786
2787 if (!(scb->dcdb.cmd_attribute & 0x3))
2788 scb->dcdb.transfer_length = 0;
2789
2790 if (scb->data_len >= IPS_MAX_XFER) {
2791 scb->dcdb.cmd_attribute |= IPS_TRANSFER64K;
2792 scb->dcdb.transfer_length = 0;
2793 }
2794 if (intr == IPS_INTR_ON)
2795 spin_lock(host->host_lock);
2796
2797 ret = ips_send_cmd(ha, scb);
2798
2799 switch (ret) {
2800 case IPS_SUCCESS:
2801 ips_putq_scb_head(&ha->scb_activelist, scb);
2802 break;
2803 case IPS_FAILURE:
2804 if (scb->scsi_cmd) {
2805 scb->scsi_cmd->result = DID_ERROR << 16;
2806 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2807 }
2808
2809 if (scb->bus)
2810 ha->dcdb_active[scb->bus - 1] &=
2811 ~(1 << scb->target_id);
2812
2813 ips_freescb(ha, scb);
2814 break;
2815 case IPS_SUCCESS_IMM:
2816 if (scb->scsi_cmd)
2817 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2818
2819 if (scb->bus)
2820 ha->dcdb_active[scb->bus - 1] &=
2821 ~(1 << scb->target_id);
2822
2823 ips_freescb(ha, scb);
2824 break;
2825 default:
2826 break;
2827 } /* end case */
2828
2829 p = (struct scsi_cmnd *) p->host_scribble;
2830
2831 } /* end while */
2832
2833 if (intr == IPS_INTR_ON)
2834 spin_unlock(host->host_lock);
2835 }
2836
2837 /****************************************************************************/
2838 /* */
2839 /* Routine Name: ips_putq_scb_head */
2840 /* */
2841 /* Routine Description: */
2842 /* */
2843 /* Add an item to the head of the queue */
2844 /* */
2845 /* ASSUMED to be called from within the HA lock */
2846 /* */
2847 /****************************************************************************/
2848 static void
2849 ips_putq_scb_head(ips_scb_queue_t * queue, ips_scb_t * item)
2850 {
2851 METHOD_TRACE("ips_putq_scb_head", 1);
2852
2853 if (!item)
2854 return;
2855
2856 item->q_next = queue->head;
2857 queue->head = item;
2858
2859 if (!queue->tail)
2860 queue->tail = item;
2861
2862 queue->count++;
2863 }
2864
2865 /****************************************************************************/
2866 /* */
2867 /* Routine Name: ips_removeq_scb_head */
2868 /* */
2869 /* Routine Description: */
2870 /* */
2871 /* Remove the head of the queue */
2872 /* */
2873 /* ASSUMED to be called from within the HA lock */
2874 /* */
2875 /****************************************************************************/
2876 static ips_scb_t *
2877 ips_removeq_scb_head(ips_scb_queue_t * queue)
2878 {
2879 ips_scb_t *item;
2880
2881 METHOD_TRACE("ips_removeq_scb_head", 1);
2882
2883 item = queue->head;
2884
2885 if (!item) {
2886 return (NULL);
2887 }
2888
2889 queue->head = item->q_next;
2890 item->q_next = NULL;
2891
2892 if (queue->tail == item)
2893 queue->tail = NULL;
2894
2895 queue->count--;
2896
2897 return (item);
2898 }
2899
2900 /****************************************************************************/
2901 /* */
2902 /* Routine Name: ips_removeq_scb */
2903 /* */
2904 /* Routine Description: */
2905 /* */
2906 /* Remove an item from a queue */
2907 /* */
2908 /* ASSUMED to be called from within the HA lock */
2909 /* */
2910 /****************************************************************************/
2911 static ips_scb_t *
2912 ips_removeq_scb(ips_scb_queue_t * queue, ips_scb_t * item)
2913 {
2914 ips_scb_t *p;
2915
2916 METHOD_TRACE("ips_removeq_scb", 1);
2917
2918 if (!item)
2919 return (NULL);
2920
2921 if (item == queue->head) {
2922 return (ips_removeq_scb_head(queue));
2923 }
2924
2925 p = queue->head;
2926
2927 while ((p) && (item != p->q_next))
2928 p = p->q_next;
2929
2930 if (p) {
2931 /* found a match */
2932 p->q_next = item->q_next;
2933
2934 if (!item->q_next)
2935 queue->tail = p;
2936
2937 item->q_next = NULL;
2938 queue->count--;
2939
2940 return (item);
2941 }
2942
2943 return (NULL);
2944 }
2945
2946 /****************************************************************************/
2947 /* */
2948 /* Routine Name: ips_putq_wait_tail */
2949 /* */
2950 /* Routine Description: */
2951 /* */
2952 /* Add an item to the tail of the queue */
2953 /* */
2954 /* ASSUMED to be called from within the HA lock */
2955 /* */
2956 /****************************************************************************/
2957 static void ips_putq_wait_tail(ips_wait_queue_t *queue, struct scsi_cmnd *item)
2958 {
2959 METHOD_TRACE("ips_putq_wait_tail", 1);
2960
2961 if (!item)
2962 return;
2963
2964 item->host_scribble = NULL;
2965
2966 if (queue->tail)
2967 queue->tail->host_scribble = (char *) item;
2968
2969 queue->tail = item;
2970
2971 if (!queue->head)
2972 queue->head = item;
2973
2974 queue->count++;
2975 }
2976
2977 /****************************************************************************/
2978 /* */
2979 /* Routine Name: ips_removeq_wait_head */
2980 /* */
2981 /* Routine Description: */
2982 /* */
2983 /* Remove the head of the queue */
2984 /* */
2985 /* ASSUMED to be called from within the HA lock */
2986 /* */
2987 /****************************************************************************/
2988 static struct scsi_cmnd *ips_removeq_wait_head(ips_wait_queue_t *queue)
2989 {
2990 struct scsi_cmnd *item;
2991
2992 METHOD_TRACE("ips_removeq_wait_head", 1);
2993
2994 item = queue->head;
2995
2996 if (!item) {
2997 return (NULL);
2998 }
2999
3000 queue->head = (struct scsi_cmnd *) item->host_scribble;
3001 item->host_scribble = NULL;
3002
3003 if (queue->tail == item)
3004 queue->tail = NULL;
3005
3006 queue->count--;
3007
3008 return (item);
3009 }
3010
3011 /****************************************************************************/
3012 /* */
3013 /* Routine Name: ips_removeq_wait */
3014 /* */
3015 /* Routine Description: */
3016 /* */
3017 /* Remove an item from a queue */
3018 /* */
3019 /* ASSUMED to be called from within the HA lock */
3020 /* */
3021 /****************************************************************************/
3022 static struct scsi_cmnd *ips_removeq_wait(ips_wait_queue_t *queue,
3023 struct scsi_cmnd *item)
3024 {
3025 struct scsi_cmnd *p;
3026
3027 METHOD_TRACE("ips_removeq_wait", 1);
3028
3029 if (!item)
3030 return (NULL);
3031
3032 if (item == queue->head) {
3033 return (ips_removeq_wait_head(queue));
3034 }
3035
3036 p = queue->head;
3037
3038 while ((p) && (item != (struct scsi_cmnd *) p->host_scribble))
3039 p = (struct scsi_cmnd *) p->host_scribble;
3040
3041 if (p) {
3042 /* found a match */
3043 p->host_scribble = item->host_scribble;
3044
3045 if (!item->host_scribble)
3046 queue->tail = p;
3047
3048 item->host_scribble = NULL;
3049 queue->count--;
3050
3051 return (item);
3052 }
3053
3054 return (NULL);
3055 }
3056
3057 /****************************************************************************/
3058 /* */
3059 /* Routine Name: ips_putq_copp_tail */
3060 /* */
3061 /* Routine Description: */
3062 /* */
3063 /* Add an item to the tail of the queue */
3064 /* */
3065 /* ASSUMED to be called from within the HA lock */
3066 /* */
3067 /****************************************************************************/
3068 static void
3069 ips_putq_copp_tail(ips_copp_queue_t * queue, ips_copp_wait_item_t * item)
3070 {
3071 METHOD_TRACE("ips_putq_copp_tail", 1);
3072
3073 if (!item)
3074 return;
3075
3076 item->next = NULL;
3077
3078 if (queue->tail)
3079 queue->tail->next = item;
3080
3081 queue->tail = item;
3082
3083 if (!queue->head)
3084 queue->head = item;
3085
3086 queue->count++;
3087 }
3088
3089 /****************************************************************************/
3090 /* */
3091 /* Routine Name: ips_removeq_copp_head */
3092 /* */
3093 /* Routine Description: */
3094 /* */
3095 /* Remove the head of the queue */
3096 /* */
3097 /* ASSUMED to be called from within the HA lock */
3098 /* */
3099 /****************************************************************************/
3100 static ips_copp_wait_item_t *
3101 ips_removeq_copp_head(ips_copp_queue_t * queue)
3102 {
3103 ips_copp_wait_item_t *item;
3104
3105 METHOD_TRACE("ips_removeq_copp_head", 1);
3106
3107 item = queue->head;
3108
3109 if (!item) {
3110 return (NULL);
3111 }
3112
3113 queue->head = item->next;
3114 item->next = NULL;
3115
3116 if (queue->tail == item)
3117 queue->tail = NULL;
3118
3119 queue->count--;
3120
3121 return (item);
3122 }
3123
3124 /****************************************************************************/
3125 /* */
3126 /* Routine Name: ips_removeq_copp */
3127 /* */
3128 /* Routine Description: */
3129 /* */
3130 /* Remove an item from a queue */
3131 /* */
3132 /* ASSUMED to be called from within the HA lock */
3133 /* */
3134 /****************************************************************************/
3135 static ips_copp_wait_item_t *
3136 ips_removeq_copp(ips_copp_queue_t * queue, ips_copp_wait_item_t * item)
3137 {
3138 ips_copp_wait_item_t *p;
3139
3140 METHOD_TRACE("ips_removeq_copp", 1);
3141
3142 if (!item)
3143 return (NULL);
3144
3145 if (item == queue->head) {
3146 return (ips_removeq_copp_head(queue));
3147 }
3148
3149 p = queue->head;
3150
3151 while ((p) && (item != p->next))
3152 p = p->next;
3153
3154 if (p) {
3155 /* found a match */
3156 p->next = item->next;
3157
3158 if (!item->next)
3159 queue->tail = p;
3160
3161 item->next = NULL;
3162 queue->count--;
3163
3164 return (item);
3165 }
3166
3167 return (NULL);
3168 }
3169
3170 /****************************************************************************/
3171 /* */
3172 /* Routine Name: ipsintr_blocking */
3173 /* */
3174 /* Routine Description: */
3175 /* */
3176 /* Finalize an interrupt for internal commands */
3177 /* */
3178 /****************************************************************************/
3179 static void
3180 ipsintr_blocking(ips_ha_t * ha, ips_scb_t * scb)
3181 {
3182 METHOD_TRACE("ipsintr_blocking", 2);
3183
3184 ips_freescb(ha, scb);
3185 if ((ha->waitflag == TRUE) && (ha->cmd_in_progress == scb->cdb[0])) {
3186 ha->waitflag = FALSE;
3187
3188 return;
3189 }
3190 }
3191
3192 /****************************************************************************/
3193 /* */
3194 /* Routine Name: ipsintr_done */
3195 /* */
3196 /* Routine Description: */
3197 /* */
3198 /* Finalize an interrupt for non-internal commands */
3199 /* */
3200 /****************************************************************************/
3201 static void
3202 ipsintr_done(ips_ha_t * ha, ips_scb_t * scb)
3203 {
3204 METHOD_TRACE("ipsintr_done", 2);
3205
3206 if (!scb) {
3207 IPS_PRINTK(KERN_WARNING, ha->pcidev,
3208 "Spurious interrupt; scb NULL.\n");
3209
3210 return;
3211 }
3212
3213 if (scb->scsi_cmd == NULL) {
3214 /* unexpected interrupt */
3215 IPS_PRINTK(KERN_WARNING, ha->pcidev,
3216 "Spurious interrupt; scsi_cmd not set.\n");
3217
3218 return;
3219 }
3220
3221 ips_done(ha, scb);
3222 }
3223
3224 /****************************************************************************/
3225 /* */
3226 /* Routine Name: ips_done */
3227 /* */
3228 /* Routine Description: */
3229 /* */
3230 /* Do housekeeping on completed commands */
3231 /* ASSUMED to be called form within the request lock */
3232 /****************************************************************************/
3233 static void
3234 ips_done(ips_ha_t * ha, ips_scb_t * scb)
3235 {
3236 int ret;
3237
3238 METHOD_TRACE("ips_done", 1);
3239
3240 if (!scb)
3241 return;
3242
3243 if ((scb->scsi_cmd) && (ips_is_passthru(scb->scsi_cmd))) {
3244 ips_cleanup_passthru(ha, scb);
3245 ha->num_ioctl--;
3246 } else {
3247 /*
3248 * Check to see if this command had too much
3249 * data and had to be broke up. If so, queue
3250 * the rest of the data and continue.
3251 */
3252 if ((scb->breakup) || (scb->sg_break)) {
3253 struct scatterlist *sg;
3254 int sg_dma_index, ips_sg_index = 0;
3255
3256 /* we had a data breakup */
3257 scb->data_len = 0;
3258
3259 sg = scsi_sglist(scb->scsi_cmd);
3260
3261 /* Spin forward to last dma chunk */
3262 sg_dma_index = scb->breakup;
3263
3264 /* Take care of possible partial on last chunk */
3265 ips_fill_scb_sg_single(ha,
3266 sg_dma_address(&sg[sg_dma_index]),
3267 scb, ips_sg_index++,
3268 sg_dma_len(&sg[sg_dma_index]));
3269
3270 for (; sg_dma_index < scsi_sg_count(scb->scsi_cmd);
3271 sg_dma_index++) {
3272 if (ips_fill_scb_sg_single
3273 (ha,
3274 sg_dma_address(&sg[sg_dma_index]),
3275 scb, ips_sg_index++,
3276 sg_dma_len(&sg[sg_dma_index])) < 0)
3277 break;
3278 }
3279
3280 scb->dcdb.transfer_length = scb->data_len;
3281 scb->dcdb.cmd_attribute |=
3282 ips_command_direction[scb->scsi_cmd->cmnd[0]];
3283
3284 if (!(scb->dcdb.cmd_attribute & 0x3))
3285 scb->dcdb.transfer_length = 0;
3286
3287 if (scb->data_len >= IPS_MAX_XFER) {
3288 scb->dcdb.cmd_attribute |= IPS_TRANSFER64K;
3289 scb->dcdb.transfer_length = 0;
3290 }
3291
3292 ret = ips_send_cmd(ha, scb);
3293
3294 switch (ret) {
3295 case IPS_FAILURE:
3296 if (scb->scsi_cmd) {
3297 scb->scsi_cmd->result = DID_ERROR << 16;
3298 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3299 }
3300
3301 ips_freescb(ha, scb);
3302 break;
3303 case IPS_SUCCESS_IMM:
3304 if (scb->scsi_cmd) {
3305 scb->scsi_cmd->result = DID_ERROR << 16;
3306 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3307 }
3308
3309 ips_freescb(ha, scb);
3310 break;
3311 default:
3312 break;
3313 } /* end case */
3314
3315 return;
3316 }
3317 } /* end if passthru */
3318
3319 if (scb->bus) {
3320 ha->dcdb_active[scb->bus - 1] &= ~(1 << scb->target_id);
3321 }
3322
3323 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3324
3325 ips_freescb(ha, scb);
3326 }
3327
3328 /****************************************************************************/
3329 /* */
3330 /* Routine Name: ips_map_status */
3331 /* */
3332 /* Routine Description: */
3333 /* */
3334 /* Map Controller Error codes to Linux Error Codes */
3335 /* */
3336 /****************************************************************************/
3337 static int
3338 ips_map_status(ips_ha_t * ha, ips_scb_t * scb, ips_stat_t * sp)
3339 {
3340 int errcode;
3341 int device_error;
3342 uint32_t transfer_len;
3343 IPS_DCDB_TABLE_TAPE *tapeDCDB;
3344 IPS_SCSI_INQ_DATA inquiryData;
3345
3346 METHOD_TRACE("ips_map_status", 1);
3347
3348 if (scb->bus) {
3349 DEBUG_VAR(2,
3350 "(%s%d) Physical device error (%d %d %d): %x %x, Sense Key: %x, ASC: %x, ASCQ: %x",
3351 ips_name, ha->host_num,
3352 scb->scsi_cmd->device->channel,
3353 scb->scsi_cmd->device->id, scb->scsi_cmd->device->lun,
3354 scb->basic_status, scb->extended_status,
3355 scb->extended_status ==
3356 IPS_ERR_CKCOND ? scb->dcdb.sense_info[2] & 0xf : 0,
3357 scb->extended_status ==
3358 IPS_ERR_CKCOND ? scb->dcdb.sense_info[12] : 0,
3359 scb->extended_status ==
3360 IPS_ERR_CKCOND ? scb->dcdb.sense_info[13] : 0);
3361 }
3362
3363 /* default driver error */
3364 errcode = DID_ERROR;
3365 device_error = 0;
3366
3367 switch (scb->basic_status & IPS_GSC_STATUS_MASK) {
3368 case IPS_CMD_TIMEOUT:
3369 errcode = DID_TIME_OUT;
3370 break;
3371
3372 case IPS_INVAL_OPCO:
3373 case IPS_INVAL_CMD_BLK:
3374 case IPS_INVAL_PARM_BLK:
3375 case IPS_LD_ERROR:
3376 case IPS_CMD_CMPLT_WERROR:
3377 break;
3378
3379 case IPS_PHYS_DRV_ERROR:
3380 switch (scb->extended_status) {
3381 case IPS_ERR_SEL_TO:
3382 if (scb->bus)
3383 errcode = DID_NO_CONNECT;
3384
3385 break;
3386
3387 case IPS_ERR_OU_RUN:
3388 if ((scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB) ||
3389 (scb->cmd.dcdb.op_code ==
3390 IPS_CMD_EXTENDED_DCDB_SG)) {
3391 tapeDCDB = (IPS_DCDB_TABLE_TAPE *) & scb->dcdb;
3392 transfer_len = tapeDCDB->transfer_length;
3393 } else {
3394 transfer_len =
3395 (uint32_t) scb->dcdb.transfer_length;
3396 }
3397
3398 if ((scb->bus) && (transfer_len < scb->data_len)) {
3399 /* Underrun - set default to no error */
3400 errcode = DID_OK;
3401
3402 /* Restrict access to physical DASD */
3403 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
3404 ips_scmd_buf_read(scb->scsi_cmd,
3405 &inquiryData, sizeof (inquiryData));
3406 if ((inquiryData.DeviceType & 0x1f) == TYPE_DISK) {
3407 errcode = DID_TIME_OUT;
3408 break;
3409 }
3410 }
3411 } else
3412 errcode = DID_ERROR;
3413
3414 break;
3415
3416 case IPS_ERR_RECOVERY:
3417 /* don't fail recovered errors */
3418 if (scb->bus)
3419 errcode = DID_OK;
3420
3421 break;
3422
3423 case IPS_ERR_HOST_RESET:
3424 case IPS_ERR_DEV_RESET:
3425 errcode = DID_RESET;
3426 break;
3427
3428 case IPS_ERR_CKCOND:
3429 if (scb->bus) {
3430 if ((scb->cmd.dcdb.op_code ==
3431 IPS_CMD_EXTENDED_DCDB)
3432 || (scb->cmd.dcdb.op_code ==
3433 IPS_CMD_EXTENDED_DCDB_SG)) {
3434 tapeDCDB =
3435 (IPS_DCDB_TABLE_TAPE *) & scb->dcdb;
3436 memcpy(scb->scsi_cmd->sense_buffer,
3437 tapeDCDB->sense_info,
3438 sizeof (scb->scsi_cmd->
3439 sense_buffer));
3440 } else {
3441 memcpy(scb->scsi_cmd->sense_buffer,
3442 scb->dcdb.sense_info,
3443 sizeof (scb->scsi_cmd->
3444 sense_buffer));
3445 }
3446 device_error = 2; /* check condition */
3447 }
3448
3449 errcode = DID_OK;
3450
3451 break;
3452
3453 default:
3454 errcode = DID_ERROR;
3455 break;
3456
3457 } /* end switch */
3458 } /* end switch */
3459
3460 scb->scsi_cmd->result = device_error | (errcode << 16);
3461
3462 return (1);
3463 }
3464
3465 /****************************************************************************/
3466 /* */
3467 /* Routine Name: ips_send_wait */
3468 /* */
3469 /* Routine Description: */
3470 /* */
3471 /* Send a command to the controller and wait for it to return */
3472 /* */
3473 /* The FFDC Time Stamp use this function for the callback, but doesn't */
3474 /* actually need to wait. */
3475 /****************************************************************************/
3476 static int
3477 ips_send_wait(ips_ha_t * ha, ips_scb_t * scb, int timeout, int intr)
3478 {
3479 int ret;
3480
3481 METHOD_TRACE("ips_send_wait", 1);
3482
3483 if (intr != IPS_FFDC) { /* Won't be Waiting if this is a Time Stamp */
3484 ha->waitflag = TRUE;
3485 ha->cmd_in_progress = scb->cdb[0];
3486 }
3487 scb->callback = ipsintr_blocking;
3488 ret = ips_send_cmd(ha, scb);
3489
3490 if ((ret == IPS_FAILURE) || (ret == IPS_SUCCESS_IMM))
3491 return (ret);
3492
3493 if (intr != IPS_FFDC) /* Don't Wait around if this is a Time Stamp */
3494 ret = ips_wait(ha, timeout, intr);
3495
3496 return (ret);
3497 }
3498
3499 /****************************************************************************/
3500 /* */
3501 /* Routine Name: ips_scmd_buf_write */
3502 /* */
3503 /* Routine Description: */
3504 /* Write data to struct scsi_cmnd request_buffer at proper offsets */
3505 /****************************************************************************/
3506 static void
3507 ips_scmd_buf_write(struct scsi_cmnd *scmd, void *data, unsigned int count)
3508 {
3509 int i;
3510 unsigned int min_cnt, xfer_cnt;
3511 char *cdata = (char *) data;
3512 unsigned char *buffer;
3513 unsigned long flags;
3514 struct scatterlist *sg = scsi_sglist(scmd);
3515
3516 for (i = 0, xfer_cnt = 0;
3517 (i < scsi_sg_count(scmd)) && (xfer_cnt < count); i++) {
3518 min_cnt = min(count - xfer_cnt, sg[i].length);
3519
3520 /* kmap_atomic() ensures addressability of the data buffer.*/
3521 /* local_irq_save() protects the KM_IRQ0 address slot. */
3522 local_irq_save(flags);
3523 buffer = kmap_atomic(sg[i].page, KM_IRQ0) + sg[i].offset;
3524 memcpy(buffer, &cdata[xfer_cnt], min_cnt);
3525 kunmap_atomic(buffer - sg[i].offset, KM_IRQ0);
3526 local_irq_restore(flags);
3527
3528 xfer_cnt += min_cnt;
3529 }
3530 }
3531
3532 /****************************************************************************/
3533 /* */
3534 /* Routine Name: ips_scmd_buf_read */
3535 /* */
3536 /* Routine Description: */
3537 /* Copy data from a struct scsi_cmnd to a new, linear buffer */
3538 /****************************************************************************/
3539 static void
3540 ips_scmd_buf_read(struct scsi_cmnd *scmd, void *data, unsigned int count)
3541 {
3542 int i;
3543 unsigned int min_cnt, xfer_cnt;
3544 char *cdata = (char *) data;
3545 unsigned char *buffer;
3546 unsigned long flags;
3547 struct scatterlist *sg = scsi_sglist(scmd);
3548
3549 for (i = 0, xfer_cnt = 0;
3550 (i < scsi_sg_count(scmd)) && (xfer_cnt < count); i++) {
3551 min_cnt = min(count - xfer_cnt, sg[i].length);
3552
3553 /* kmap_atomic() ensures addressability of the data buffer.*/
3554 /* local_irq_save() protects the KM_IRQ0 address slot. */
3555 local_irq_save(flags);
3556 buffer = kmap_atomic(sg[i].page, KM_IRQ0) + sg[i].offset;
3557 memcpy(&cdata[xfer_cnt], buffer, min_cnt);
3558 kunmap_atomic(buffer - sg[i].offset, KM_IRQ0);
3559 local_irq_restore(flags);
3560
3561 xfer_cnt += min_cnt;
3562 }
3563 }
3564
3565 /****************************************************************************/
3566 /* */
3567 /* Routine Name: ips_send_cmd */
3568 /* */
3569 /* Routine Description: */
3570 /* */
3571 /* Map SCSI commands to ServeRAID commands for logical drives */
3572 /* */
3573 /****************************************************************************/
3574 static int
3575 ips_send_cmd(ips_ha_t * ha, ips_scb_t * scb)
3576 {
3577 int ret;
3578 char *sp;
3579 int device_error;
3580 IPS_DCDB_TABLE_TAPE *tapeDCDB;
3581 int TimeOut;
3582
3583 METHOD_TRACE("ips_send_cmd", 1);
3584
3585 ret = IPS_SUCCESS;
3586
3587 if (!scb->scsi_cmd) {
3588 /* internal command */
3589
3590 if (scb->bus > 0) {
3591 /* Controller commands can't be issued */
3592 /* to real devices -- fail them */
3593 if ((ha->waitflag == TRUE) &&
3594 (ha->cmd_in_progress == scb->cdb[0])) {
3595 ha->waitflag = FALSE;
3596 }
3597
3598 return (1);
3599 }
3600 } else if ((scb->bus == 0) && (!ips_is_passthru(scb->scsi_cmd))) {
3601 /* command to logical bus -- interpret */
3602 ret = IPS_SUCCESS_IMM;
3603
3604 switch (scb->scsi_cmd->cmnd[0]) {
3605 case ALLOW_MEDIUM_REMOVAL:
3606 case REZERO_UNIT:
3607 case ERASE:
3608 case WRITE_FILEMARKS:
3609 case SPACE:
3610 scb->scsi_cmd->result = DID_ERROR << 16;
3611 break;
3612
3613 case START_STOP:
3614 scb->scsi_cmd->result = DID_OK << 16;
3615
3616 case TEST_UNIT_READY:
3617 case INQUIRY:
3618 if (scb->target_id == IPS_ADAPTER_ID) {
3619 /*
3620 * Either we have a TUR
3621 * or we have a SCSI inquiry
3622 */
3623 if (scb->scsi_cmd->cmnd[0] == TEST_UNIT_READY)
3624 scb->scsi_cmd->result = DID_OK << 16;
3625
3626 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
3627 IPS_SCSI_INQ_DATA inquiry;
3628
3629 memset(&inquiry, 0,
3630 sizeof (IPS_SCSI_INQ_DATA));
3631
3632 inquiry.DeviceType =
3633 IPS_SCSI_INQ_TYPE_PROCESSOR;
3634 inquiry.DeviceTypeQualifier =
3635 IPS_SCSI_INQ_LU_CONNECTED;
3636 inquiry.Version = IPS_SCSI_INQ_REV2;
3637 inquiry.ResponseDataFormat =
3638 IPS_SCSI_INQ_RD_REV2;
3639 inquiry.AdditionalLength = 31;
3640 inquiry.Flags[0] =
3641 IPS_SCSI_INQ_Address16;
3642 inquiry.Flags[1] =
3643 IPS_SCSI_INQ_WBus16 |
3644 IPS_SCSI_INQ_Sync;
3645 strncpy(inquiry.VendorId, "IBM ",
3646 8);
3647 strncpy(inquiry.ProductId,
3648 "SERVERAID ", 16);
3649 strncpy(inquiry.ProductRevisionLevel,
3650 "1.00", 4);
3651
3652 ips_scmd_buf_write(scb->scsi_cmd,
3653 &inquiry,
3654 sizeof (inquiry));
3655
3656 scb->scsi_cmd->result = DID_OK << 16;
3657 }
3658 } else {
3659 scb->cmd.logical_info.op_code = IPS_CMD_GET_LD_INFO;
3660 scb->cmd.logical_info.command_id = IPS_COMMAND_ID(ha, scb);
3661 scb->cmd.logical_info.reserved = 0;
3662 scb->cmd.logical_info.reserved2 = 0;
3663 scb->data_len = sizeof (IPS_LD_INFO);
3664 scb->data_busaddr = ha->logical_drive_info_dma_addr;
3665 scb->flags = 0;
3666 scb->cmd.logical_info.buffer_addr = scb->data_busaddr;
3667 ret = IPS_SUCCESS;
3668 }
3669
3670 break;
3671
3672 case REQUEST_SENSE:
3673 ips_reqsen(ha, scb);
3674 scb->scsi_cmd->result = DID_OK << 16;
3675 break;
3676
3677 case READ_6:
3678 case WRITE_6:
3679 if (!scb->sg_len) {
3680 scb->cmd.basic_io.op_code =
3681 (scb->scsi_cmd->cmnd[0] ==
3682 READ_6) ? IPS_CMD_READ : IPS_CMD_WRITE;
3683 scb->cmd.basic_io.enhanced_sg = 0;
3684 scb->cmd.basic_io.sg_addr =
3685 cpu_to_le32(scb->data_busaddr);
3686 } else {
3687 scb->cmd.basic_io.op_code =
3688 (scb->scsi_cmd->cmnd[0] ==
3689 READ_6) ? IPS_CMD_READ_SG :
3690 IPS_CMD_WRITE_SG;
3691 scb->cmd.basic_io.enhanced_sg =
3692 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3693 scb->cmd.basic_io.sg_addr =
3694 cpu_to_le32(scb->sg_busaddr);
3695 }
3696
3697 scb->cmd.basic_io.segment_4G = 0;
3698 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3699 scb->cmd.basic_io.log_drv = scb->target_id;
3700 scb->cmd.basic_io.sg_count = scb->sg_len;
3701
3702 if (scb->cmd.basic_io.lba)
3703 scb->cmd.basic_io.lba =
3704 cpu_to_le32(le32_to_cpu
3705 (scb->cmd.basic_io.lba) +
3706 le16_to_cpu(scb->cmd.basic_io.
3707 sector_count));
3708 else
3709 scb->cmd.basic_io.lba =
3710 (((scb->scsi_cmd->
3711 cmnd[1] & 0x1f) << 16) | (scb->scsi_cmd->
3712 cmnd[2] << 8) |
3713 (scb->scsi_cmd->cmnd[3]));
3714
3715 scb->cmd.basic_io.sector_count =
3716 cpu_to_le16(scb->data_len / IPS_BLKSIZE);
3717
3718 if (le16_to_cpu(scb->cmd.basic_io.sector_count) == 0)
3719 scb->cmd.basic_io.sector_count =
3720 cpu_to_le16(256);
3721
3722 ret = IPS_SUCCESS;
3723 break;
3724
3725 case READ_10:
3726 case WRITE_10:
3727 if (!scb->sg_len) {
3728 scb->cmd.basic_io.op_code =
3729 (scb->scsi_cmd->cmnd[0] ==
3730 READ_10) ? IPS_CMD_READ : IPS_CMD_WRITE;
3731 scb->cmd.basic_io.enhanced_sg = 0;
3732 scb->cmd.basic_io.sg_addr =
3733 cpu_to_le32(scb->data_busaddr);
3734 } else {
3735 scb->cmd.basic_io.op_code =
3736 (scb->scsi_cmd->cmnd[0] ==
3737 READ_10) ? IPS_CMD_READ_SG :
3738 IPS_CMD_WRITE_SG;
3739 scb->cmd.basic_io.enhanced_sg =
3740 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3741 scb->cmd.basic_io.sg_addr =
3742 cpu_to_le32(scb->sg_busaddr);
3743 }
3744
3745 scb->cmd.basic_io.segment_4G = 0;
3746 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3747 scb->cmd.basic_io.log_drv = scb->target_id;
3748 scb->cmd.basic_io.sg_count = scb->sg_len;
3749
3750 if (scb->cmd.basic_io.lba)
3751 scb->cmd.basic_io.lba =
3752 cpu_to_le32(le32_to_cpu
3753 (scb->cmd.basic_io.lba) +
3754 le16_to_cpu(scb->cmd.basic_io.
3755 sector_count));
3756 else
3757 scb->cmd.basic_io.lba =
3758 ((scb->scsi_cmd->cmnd[2] << 24) | (scb->
3759 scsi_cmd->
3760 cmnd[3]
3761 << 16) |
3762 (scb->scsi_cmd->cmnd[4] << 8) | scb->
3763 scsi_cmd->cmnd[5]);
3764
3765 scb->cmd.basic_io.sector_count =
3766 cpu_to_le16(scb->data_len / IPS_BLKSIZE);
3767
3768 if (cpu_to_le16(scb->cmd.basic_io.sector_count) == 0) {
3769 /*
3770 * This is a null condition
3771 * we don't have to do anything
3772 * so just return
3773 */
3774 scb->scsi_cmd->result = DID_OK << 16;
3775 } else
3776 ret = IPS_SUCCESS;
3777
3778 break;
3779
3780 case RESERVE:
3781 case RELEASE:
3782 scb->scsi_cmd->result = DID_OK << 16;
3783 break;
3784
3785 case MODE_SENSE:
3786 scb->cmd.basic_io.op_code = IPS_CMD_ENQUIRY;
3787 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3788 scb->cmd.basic_io.segment_4G = 0;
3789 scb->cmd.basic_io.enhanced_sg = 0;
3790 scb->data_len = sizeof (*ha->enq);
3791 scb->cmd.basic_io.sg_addr = ha->enq_busaddr;
3792 ret = IPS_SUCCESS;
3793 break;
3794
3795 case READ_CAPACITY:
3796 scb->cmd.logical_info.op_code = IPS_CMD_GET_LD_INFO;
3797 scb->cmd.logical_info.command_id = IPS_COMMAND_ID(ha, scb);
3798 scb->cmd.logical_info.reserved = 0;
3799 scb->cmd.logical_info.reserved2 = 0;
3800 scb->cmd.logical_info.reserved3 = 0;
3801 scb->data_len = sizeof (IPS_LD_INFO);
3802 scb->data_busaddr = ha->logical_drive_info_dma_addr;
3803 scb->flags = 0;
3804 scb->cmd.logical_info.buffer_addr = scb->data_busaddr;
3805 ret = IPS_SUCCESS;
3806 break;
3807
3808 case SEND_DIAGNOSTIC:
3809 case REASSIGN_BLOCKS:
3810 case FORMAT_UNIT:
3811 case SEEK_10:
3812 case VERIFY:
3813 case READ_DEFECT_DATA:
3814 case READ_BUFFER:
3815 case WRITE_BUFFER:
3816 scb->scsi_cmd->result = DID_OK << 16;
3817 break;
3818
3819 default:
3820 /* Set the Return Info to appear like the Command was */
3821 /* attempted, a Check Condition occurred, and Sense */
3822 /* Data indicating an Invalid CDB OpCode is returned. */
3823 sp = (char *) scb->scsi_cmd->sense_buffer;
3824 memset(sp, 0, sizeof (scb->scsi_cmd->sense_buffer));
3825
3826 sp[0] = 0x70; /* Error Code */
3827 sp[2] = ILLEGAL_REQUEST; /* Sense Key 5 Illegal Req. */
3828 sp[7] = 0x0A; /* Additional Sense Length */
3829 sp[12] = 0x20; /* ASC = Invalid OpCode */
3830 sp[13] = 0x00; /* ASCQ */
3831
3832 device_error = 2; /* Indicate Check Condition */
3833 scb->scsi_cmd->result = device_error | (DID_OK << 16);
3834 break;
3835 } /* end switch */
3836 }
3837 /* end if */
3838 if (ret == IPS_SUCCESS_IMM)
3839 return (ret);
3840
3841 /* setup DCDB */
3842 if (scb->bus > 0) {
3843
3844 /* If we already know the Device is Not there, no need to attempt a Command */
3845 /* This also protects an NT FailOver Controller from getting CDB's sent to it */
3846 if (ha->conf->dev[scb->bus - 1][scb->target_id].ucState == 0) {
3847 scb->scsi_cmd->result = DID_NO_CONNECT << 16;
3848 return (IPS_SUCCESS_IMM);
3849 }
3850
3851 ha->dcdb_active[scb->bus - 1] |= (1 << scb->target_id);
3852 scb->cmd.dcdb.command_id = IPS_COMMAND_ID(ha, scb);
3853 scb->cmd.dcdb.dcdb_address = cpu_to_le32(scb->scb_busaddr +
3854 (unsigned long) &scb->
3855 dcdb -
3856 (unsigned long) scb);
3857 scb->cmd.dcdb.reserved = 0;
3858 scb->cmd.dcdb.reserved2 = 0;
3859 scb->cmd.dcdb.reserved3 = 0;
3860 scb->cmd.dcdb.segment_4G = 0;
3861 scb->cmd.dcdb.enhanced_sg = 0;
3862
3863 TimeOut = scb->scsi_cmd->timeout_per_command;
3864
3865 if (ha->subsys->param[4] & 0x00100000) { /* If NEW Tape DCDB is Supported */
3866 if (!scb->sg_len) {
3867 scb->cmd.dcdb.op_code = IPS_CMD_EXTENDED_DCDB;
3868 } else {
3869 scb->cmd.dcdb.op_code =
3870 IPS_CMD_EXTENDED_DCDB_SG;
3871 scb->cmd.dcdb.enhanced_sg =
3872 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3873 }
3874
3875 tapeDCDB = (IPS_DCDB_TABLE_TAPE *) & scb->dcdb; /* Use Same Data Area as Old DCDB Struct */
3876 tapeDCDB->device_address =
3877 ((scb->bus - 1) << 4) | scb->target_id;
3878 tapeDCDB->cmd_attribute |= IPS_DISCONNECT_ALLOWED;
3879 tapeDCDB->cmd_attribute &= ~IPS_TRANSFER64K; /* Always Turn OFF 64K Size Flag */
3880
3881 if (TimeOut) {
3882 if (TimeOut < (10 * HZ))
3883 tapeDCDB->cmd_attribute |= IPS_TIMEOUT10; /* TimeOut is 10 Seconds */
3884 else if (TimeOut < (60 * HZ))
3885 tapeDCDB->cmd_attribute |= IPS_TIMEOUT60; /* TimeOut is 60 Seconds */
3886 else if (TimeOut < (1200 * HZ))
3887 tapeDCDB->cmd_attribute |= IPS_TIMEOUT20M; /* TimeOut is 20 Minutes */
3888 }
3889
3890 tapeDCDB->cdb_length = scb->scsi_cmd->cmd_len;
3891 tapeDCDB->reserved_for_LUN = 0;
3892 tapeDCDB->transfer_length = scb->data_len;
3893 if (scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB_SG)
3894 tapeDCDB->buffer_pointer =
3895 cpu_to_le32(scb->sg_busaddr);
3896 else
3897 tapeDCDB->buffer_pointer =
3898 cpu_to_le32(scb->data_busaddr);
3899 tapeDCDB->sg_count = scb->sg_len;
3900 tapeDCDB->sense_length = sizeof (tapeDCDB->sense_info);
3901 tapeDCDB->scsi_status = 0;
3902 tapeDCDB->reserved = 0;
3903 memcpy(tapeDCDB->scsi_cdb, scb->scsi_cmd->cmnd,
3904 scb->scsi_cmd->cmd_len);
3905 } else {
3906 if (!scb->sg_len) {
3907 scb->cmd.dcdb.op_code = IPS_CMD_DCDB;
3908 } else {
3909 scb->cmd.dcdb.op_code = IPS_CMD_DCDB_SG;
3910 scb->cmd.dcdb.enhanced_sg =
3911 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3912 }
3913
3914 scb->dcdb.device_address =
3915 ((scb->bus - 1) << 4) | scb->target_id;
3916 scb->dcdb.cmd_attribute |= IPS_DISCONNECT_ALLOWED;
3917
3918 if (TimeOut) {
3919 if (TimeOut < (10 * HZ))
3920 scb->dcdb.cmd_attribute |= IPS_TIMEOUT10; /* TimeOut is 10 Seconds */
3921 else if (TimeOut < (60 * HZ))
3922 scb->dcdb.cmd_attribute |= IPS_TIMEOUT60; /* TimeOut is 60 Seconds */
3923 else if (TimeOut < (1200 * HZ))
3924 scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M; /* TimeOut is 20 Minutes */
3925 }
3926
3927 scb->dcdb.transfer_length = scb->data_len;
3928 if (scb->dcdb.cmd_attribute & IPS_TRANSFER64K)
3929 scb->dcdb.transfer_length = 0;
3930 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB_SG)
3931 scb->dcdb.buffer_pointer =
3932 cpu_to_le32(scb->sg_busaddr);
3933 else
3934 scb->dcdb.buffer_pointer =
3935 cpu_to_le32(scb->data_busaddr);
3936 scb->dcdb.cdb_length = scb->scsi_cmd->cmd_len;
3937 scb->dcdb.sense_length = sizeof (scb->dcdb.sense_info);
3938 scb->dcdb.sg_count = scb->sg_len;
3939 scb->dcdb.reserved = 0;
3940 memcpy(scb->dcdb.scsi_cdb, scb->scsi_cmd->cmnd,
3941 scb->scsi_cmd->cmd_len);
3942 scb->dcdb.scsi_status = 0;
3943 scb->dcdb.reserved2[0] = 0;
3944 scb->dcdb.reserved2[1] = 0;
3945 scb->dcdb.reserved2[2] = 0;
3946 }
3947 }
3948
3949 return ((*ha->func.issue) (ha, scb));
3950 }
3951
3952 /****************************************************************************/
3953 /* */
3954 /* Routine Name: ips_chk_status */
3955 /* */
3956 /* Routine Description: */
3957 /* */
3958 /* Check the status of commands to logical drives */
3959 /* Assumed to be called with the HA lock */
3960 /****************************************************************************/
3961 static void
3962 ips_chkstatus(ips_ha_t * ha, IPS_STATUS * pstatus)
3963 {
3964 ips_scb_t *scb;
3965 ips_stat_t *sp;
3966 uint8_t basic_status;
3967 uint8_t ext_status;
3968 int errcode;
3969 IPS_SCSI_INQ_DATA inquiryData;
3970
3971 METHOD_TRACE("ips_chkstatus", 1);
3972
3973 scb = &ha->scbs[pstatus->fields.command_id];
3974 scb->basic_status = basic_status =
3975 pstatus->fields.basic_status & IPS_BASIC_STATUS_MASK;
3976 scb->extended_status = ext_status = pstatus->fields.extended_status;
3977
3978 sp = &ha->sp;
3979 sp->residue_len = 0;
3980 sp->scb_addr = (void *) scb;
3981
3982 /* Remove the item from the active queue */
3983 ips_removeq_scb(&ha->scb_activelist, scb);
3984
3985 if (!scb->scsi_cmd)
3986 /* internal commands are handled in do_ipsintr */
3987 return;
3988
3989 DEBUG_VAR(2, "(%s%d) ips_chkstatus: cmd 0x%X id %d (%d %d %d)",
3990 ips_name,
3991 ha->host_num,
3992 scb->cdb[0],
3993 scb->cmd.basic_io.command_id,
3994 scb->bus, scb->target_id, scb->lun);
3995
3996 if ((scb->scsi_cmd) && (ips_is_passthru(scb->scsi_cmd)))
3997 /* passthru - just returns the raw result */
3998 return;
3999
4000 errcode = DID_OK;
4001
4002 if (((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_SUCCESS) ||
4003 ((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_RECOVERED_ERROR)) {
4004
4005 if (scb->bus == 0) {
4006 if ((basic_status & IPS_GSC_STATUS_MASK) ==
4007 IPS_CMD_RECOVERED_ERROR) {
4008 DEBUG_VAR(1,
4009 "(%s%d) Recovered Logical Drive Error OpCode: %x, BSB: %x, ESB: %x",
4010 ips_name, ha->host_num,
4011 scb->cmd.basic_io.op_code,
4012 basic_status, ext_status);
4013 }
4014
4015 switch (scb->scsi_cmd->cmnd[0]) {
4016 case ALLOW_MEDIUM_REMOVAL:
4017 case REZERO_UNIT:
4018 case ERASE:
4019 case WRITE_FILEMARKS:
4020 case SPACE:
4021 errcode = DID_ERROR;
4022 break;
4023
4024 case START_STOP:
4025 break;
4026
4027 case TEST_UNIT_READY:
4028 if (!ips_online(ha, scb)) {
4029 errcode = DID_TIME_OUT;
4030 }
4031 break;
4032
4033 case INQUIRY:
4034 if (ips_online(ha, scb)) {
4035 ips_inquiry(ha, scb);
4036 } else {
4037 errcode = DID_TIME_OUT;
4038 }
4039 break;
4040
4041 case REQUEST_SENSE:
4042 ips_reqsen(ha, scb);
4043 break;
4044
4045 case READ_6:
4046 case WRITE_6:
4047 case READ_10:
4048 case WRITE_10:
4049 case RESERVE:
4050 case RELEASE:
4051 break;
4052
4053 case MODE_SENSE:
4054 if (!ips_online(ha, scb)
4055 || !ips_msense(ha, scb)) {
4056 errcode = DID_ERROR;
4057 }
4058 break;
4059
4060 case READ_CAPACITY:
4061 if (ips_online(ha, scb))
4062 ips_rdcap(ha, scb);
4063 else {
4064 errcode = DID_TIME_OUT;
4065 }
4066 break;
4067
4068 case SEND_DIAGNOSTIC:
4069 case REASSIGN_BLOCKS:
4070 break;
4071
4072 case FORMAT_UNIT:
4073 errcode = DID_ERROR;
4074 break;
4075
4076 case SEEK_10:
4077 case VERIFY:
4078 case READ_DEFECT_DATA:
4079 case READ_BUFFER:
4080 case WRITE_BUFFER:
4081 break;
4082
4083 default:
4084 errcode = DID_ERROR;
4085 } /* end switch */
4086
4087 scb->scsi_cmd->result = errcode << 16;
4088 } else { /* bus == 0 */
4089 /* restrict access to physical drives */
4090 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
4091 ips_scmd_buf_read(scb->scsi_cmd,
4092 &inquiryData, sizeof (inquiryData));
4093 if ((inquiryData.DeviceType & 0x1f) == TYPE_DISK)
4094 scb->scsi_cmd->result = DID_TIME_OUT << 16;
4095 }
4096 } /* else */
4097 } else { /* recovered error / success */
4098 if (scb->bus == 0) {
4099 DEBUG_VAR(1,
4100 "(%s%d) Unrecovered Logical Drive Error OpCode: %x, BSB: %x, ESB: %x",
4101 ips_name, ha->host_num,
4102 scb->cmd.basic_io.op_code, basic_status,
4103 ext_status);
4104 }
4105
4106 ips_map_status(ha, scb, sp);
4107 } /* else */
4108 }
4109
4110 /****************************************************************************/
4111 /* */
4112 /* Routine Name: ips_online */
4113 /* */
4114 /* Routine Description: */
4115 /* */
4116 /* Determine if a logical drive is online */
4117 /* */
4118 /****************************************************************************/
4119 static int
4120 ips_online(ips_ha_t * ha, ips_scb_t * scb)
4121 {
4122 METHOD_TRACE("ips_online", 1);
4123
4124 if (scb->target_id >= IPS_MAX_LD)
4125 return (0);
4126
4127 if ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1) {
4128 memset(ha->logical_drive_info, 0, sizeof (IPS_LD_INFO));
4129 return (0);
4130 }
4131
4132 if (ha->logical_drive_info->drive_info[scb->target_id].state !=
4133 IPS_LD_OFFLINE
4134 && ha->logical_drive_info->drive_info[scb->target_id].state !=
4135 IPS_LD_FREE
4136 && ha->logical_drive_info->drive_info[scb->target_id].state !=
4137 IPS_LD_CRS
4138 && ha->logical_drive_info->drive_info[scb->target_id].state !=
4139 IPS_LD_SYS)
4140 return (1);
4141 else
4142 return (0);
4143 }
4144
4145 /****************************************************************************/
4146 /* */
4147 /* Routine Name: ips_inquiry */
4148 /* */
4149 /* Routine Description: */
4150 /* */
4151 /* Simulate an inquiry command to a logical drive */
4152 /* */
4153 /****************************************************************************/
4154 static int
4155 ips_inquiry(ips_ha_t * ha, ips_scb_t * scb)
4156 {
4157 IPS_SCSI_INQ_DATA inquiry;
4158
4159 METHOD_TRACE("ips_inquiry", 1);
4160
4161 memset(&inquiry, 0, sizeof (IPS_SCSI_INQ_DATA));
4162
4163 inquiry.DeviceType = IPS_SCSI_INQ_TYPE_DASD;
4164 inquiry.DeviceTypeQualifier = IPS_SCSI_INQ_LU_CONNECTED;
4165 inquiry.Version = IPS_SCSI_INQ_REV2;
4166 inquiry.ResponseDataFormat = IPS_SCSI_INQ_RD_REV2;
4167 inquiry.AdditionalLength = 31;
4168 inquiry.Flags[0] = IPS_SCSI_INQ_Address16;
4169 inquiry.Flags[1] =
4170 IPS_SCSI_INQ_WBus16 | IPS_SCSI_INQ_Sync | IPS_SCSI_INQ_CmdQue;
4171 strncpy(inquiry.VendorId, "IBM ", 8);
4172 strncpy(inquiry.ProductId, "SERVERAID ", 16);
4173 strncpy(inquiry.ProductRevisionLevel, "1.00", 4);
4174
4175 ips_scmd_buf_write(scb->scsi_cmd, &inquiry, sizeof (inquiry));
4176
4177 return (1);
4178 }
4179
4180 /****************************************************************************/
4181 /* */
4182 /* Routine Name: ips_rdcap */
4183 /* */
4184 /* Routine Description: */
4185 /* */
4186 /* Simulate a read capacity command to a logical drive */
4187 /* */
4188 /****************************************************************************/
4189 static int
4190 ips_rdcap(ips_ha_t * ha, ips_scb_t * scb)
4191 {
4192 IPS_SCSI_CAPACITY cap;
4193
4194 METHOD_TRACE("ips_rdcap", 1);
4195
4196 if (scsi_bufflen(scb->scsi_cmd) < 8)
4197 return (0);
4198
4199 cap.lba =
4200 cpu_to_be32(le32_to_cpu
4201 (ha->logical_drive_info->
4202 drive_info[scb->target_id].sector_count) - 1);
4203 cap.len = cpu_to_be32((uint32_t) IPS_BLKSIZE);
4204
4205 ips_scmd_buf_write(scb->scsi_cmd, &cap, sizeof (cap));
4206
4207 return (1);
4208 }
4209
4210 /****************************************************************************/
4211 /* */
4212 /* Routine Name: ips_msense */
4213 /* */
4214 /* Routine Description: */
4215 /* */
4216 /* Simulate a mode sense command to a logical drive */
4217 /* */
4218 /****************************************************************************/
4219 static int
4220 ips_msense(ips_ha_t * ha, ips_scb_t * scb)
4221 {
4222 uint16_t heads;
4223 uint16_t sectors;
4224 uint32_t cylinders;
4225 IPS_SCSI_MODE_PAGE_DATA mdata;
4226
4227 METHOD_TRACE("ips_msense", 1);
4228
4229 if (le32_to_cpu(ha->enq->ulDriveSize[scb->target_id]) > 0x400000 &&
4230 (ha->enq->ucMiscFlag & 0x8) == 0) {
4231 heads = IPS_NORM_HEADS;
4232 sectors = IPS_NORM_SECTORS;
4233 } else {
4234 heads = IPS_COMP_HEADS;
4235 sectors = IPS_COMP_SECTORS;
4236 }
4237
4238 cylinders =
4239 (le32_to_cpu(ha->enq->ulDriveSize[scb->target_id]) -
4240 1) / (heads * sectors);
4241
4242 memset(&mdata, 0, sizeof (IPS_SCSI_MODE_PAGE_DATA));
4243
4244 mdata.hdr.BlockDescLength = 8;
4245
4246 switch (scb->scsi_cmd->cmnd[2] & 0x3f) {
4247 case 0x03: /* page 3 */
4248 mdata.pdata.pg3.PageCode = 3;
4249 mdata.pdata.pg3.PageLength = sizeof (IPS_SCSI_MODE_PAGE3);
4250 mdata.hdr.DataLength =
4251 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg3.PageLength;
4252 mdata.pdata.pg3.TracksPerZone = 0;
4253 mdata.pdata.pg3.AltSectorsPerZone = 0;
4254 mdata.pdata.pg3.AltTracksPerZone = 0;
4255 mdata.pdata.pg3.AltTracksPerVolume = 0;
4256 mdata.pdata.pg3.SectorsPerTrack = cpu_to_be16(sectors);
4257 mdata.pdata.pg3.BytesPerSector = cpu_to_be16(IPS_BLKSIZE);
4258 mdata.pdata.pg3.Interleave = cpu_to_be16(1);
4259 mdata.pdata.pg3.TrackSkew = 0;
4260 mdata.pdata.pg3.CylinderSkew = 0;
4261 mdata.pdata.pg3.flags = IPS_SCSI_MP3_SoftSector;
4262 break;
4263
4264 case 0x4:
4265 mdata.pdata.pg4.PageCode = 4;
4266 mdata.pdata.pg4.PageLength = sizeof (IPS_SCSI_MODE_PAGE4);
4267 mdata.hdr.DataLength =
4268 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg4.PageLength;
4269 mdata.pdata.pg4.CylindersHigh =
4270 cpu_to_be16((cylinders >> 8) & 0xFFFF);
4271 mdata.pdata.pg4.CylindersLow = (cylinders & 0xFF);
4272 mdata.pdata.pg4.Heads = heads;
4273 mdata.pdata.pg4.WritePrecompHigh = 0;
4274 mdata.pdata.pg4.WritePrecompLow = 0;
4275 mdata.pdata.pg4.ReducedWriteCurrentHigh = 0;
4276 mdata.pdata.pg4.ReducedWriteCurrentLow = 0;
4277 mdata.pdata.pg4.StepRate = cpu_to_be16(1);
4278 mdata.pdata.pg4.LandingZoneHigh = 0;
4279 mdata.pdata.pg4.LandingZoneLow = 0;
4280 mdata.pdata.pg4.flags = 0;
4281 mdata.pdata.pg4.RotationalOffset = 0;
4282 mdata.pdata.pg4.MediumRotationRate = 0;
4283 break;
4284 case 0x8:
4285 mdata.pdata.pg8.PageCode = 8;
4286 mdata.pdata.pg8.PageLength = sizeof (IPS_SCSI_MODE_PAGE8);
4287 mdata.hdr.DataLength =
4288 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg8.PageLength;
4289 /* everything else is left set to 0 */
4290 break;
4291
4292 default:
4293 return (0);
4294 } /* end switch */
4295
4296 ips_scmd_buf_write(scb->scsi_cmd, &mdata, sizeof (mdata));
4297
4298 return (1);
4299 }
4300
4301 /****************************************************************************/
4302 /* */
4303 /* Routine Name: ips_reqsen */
4304 /* */
4305 /* Routine Description: */
4306 /* */
4307 /* Simulate a request sense command to a logical drive */
4308 /* */
4309 /****************************************************************************/
4310 static int
4311 ips_reqsen(ips_ha_t * ha, ips_scb_t * scb)
4312 {
4313 IPS_SCSI_REQSEN reqsen;
4314
4315 METHOD_TRACE("ips_reqsen", 1);
4316
4317 memset(&reqsen, 0, sizeof (IPS_SCSI_REQSEN));
4318
4319 reqsen.ResponseCode =
4320 IPS_SCSI_REQSEN_VALID | IPS_SCSI_REQSEN_CURRENT_ERR;
4321 reqsen.AdditionalLength = 10;
4322 reqsen.AdditionalSenseCode = IPS_SCSI_REQSEN_NO_SENSE;
4323 reqsen.AdditionalSenseCodeQual = IPS_SCSI_REQSEN_NO_SENSE;
4324
4325 ips_scmd_buf_write(scb->scsi_cmd, &reqsen, sizeof (reqsen));
4326
4327 return (1);
4328 }
4329
4330 /****************************************************************************/
4331 /* */
4332 /* Routine Name: ips_free */
4333 /* */
4334 /* Routine Description: */
4335 /* */
4336 /* Free any allocated space for this controller */
4337 /* */
4338 /****************************************************************************/
4339 static void
4340 ips_free(ips_ha_t * ha)
4341 {
4342
4343 METHOD_TRACE("ips_free", 1);
4344
4345 if (ha) {
4346 if (ha->enq) {
4347 pci_free_consistent(ha->pcidev, sizeof(IPS_ENQ),
4348 ha->enq, ha->enq_busaddr);
4349 ha->enq = NULL;
4350 }
4351
4352 kfree(ha->conf);
4353 ha->conf = NULL;
4354
4355 if (ha->adapt) {
4356 pci_free_consistent(ha->pcidev,
4357 sizeof (IPS_ADAPTER) +
4358 sizeof (IPS_IO_CMD), ha->adapt,
4359 ha->adapt->hw_status_start);
4360 ha->adapt = NULL;
4361 }
4362
4363 if (ha->logical_drive_info) {
4364 pci_free_consistent(ha->pcidev,
4365 sizeof (IPS_LD_INFO),
4366 ha->logical_drive_info,
4367 ha->logical_drive_info_dma_addr);
4368 ha->logical_drive_info = NULL;
4369 }
4370
4371 kfree(ha->nvram);
4372 ha->nvram = NULL;
4373
4374 kfree(ha->subsys);
4375 ha->subsys = NULL;
4376
4377 if (ha->ioctl_data) {
4378 pci_free_consistent(ha->pcidev, ha->ioctl_len,
4379 ha->ioctl_data, ha->ioctl_busaddr);
4380 ha->ioctl_data = NULL;
4381 ha->ioctl_datasize = 0;
4382 ha->ioctl_len = 0;
4383 }
4384 ips_deallocatescbs(ha, ha->max_cmds);
4385
4386 /* free memory mapped (if applicable) */
4387 if (ha->mem_ptr) {
4388 iounmap(ha->ioremap_ptr);
4389 ha->ioremap_ptr = NULL;
4390 ha->mem_ptr = NULL;
4391 }
4392
4393 if (ha->mem_addr)
4394 release_mem_region(ha->mem_addr, ha->mem_len);
4395 ha->mem_addr = 0;
4396
4397 }
4398 }
4399
4400 /****************************************************************************/
4401 /* */
4402 /* Routine Name: ips_deallocatescbs */
4403 /* */
4404 /* Routine Description: */
4405 /* */
4406 /* Free the command blocks */
4407 /* */
4408 /****************************************************************************/
4409 static int
4410 ips_deallocatescbs(ips_ha_t * ha, int cmds)
4411 {
4412 if (ha->scbs) {
4413 pci_free_consistent(ha->pcidev,
4414 IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * cmds,
4415 ha->scbs->sg_list.list,
4416 ha->scbs->sg_busaddr);
4417 pci_free_consistent(ha->pcidev, sizeof (ips_scb_t) * cmds,
4418 ha->scbs, ha->scbs->scb_busaddr);
4419 ha->scbs = NULL;
4420 } /* end if */
4421 return 1;
4422 }
4423
4424 /****************************************************************************/
4425 /* */
4426 /* Routine Name: ips_allocatescbs */
4427 /* */
4428 /* Routine Description: */
4429 /* */
4430 /* Allocate the command blocks */
4431 /* */
4432 /****************************************************************************/
4433 static int
4434 ips_allocatescbs(ips_ha_t * ha)
4435 {
4436 ips_scb_t *scb_p;
4437 IPS_SG_LIST ips_sg;
4438 int i;
4439 dma_addr_t command_dma, sg_dma;
4440
4441 METHOD_TRACE("ips_allocatescbs", 1);
4442
4443 /* Allocate memory for the SCBs */
4444 ha->scbs =
4445 pci_alloc_consistent(ha->pcidev, ha->max_cmds * sizeof (ips_scb_t),
4446 &command_dma);
4447 if (ha->scbs == NULL)
4448 return 0;
4449 ips_sg.list =
4450 pci_alloc_consistent(ha->pcidev,
4451 IPS_SGLIST_SIZE(ha) * IPS_MAX_SG *
4452 ha->max_cmds, &sg_dma);
4453 if (ips_sg.list == NULL) {
4454 pci_free_consistent(ha->pcidev,
4455 ha->max_cmds * sizeof (ips_scb_t), ha->scbs,
4456 command_dma);
4457 return 0;
4458 }
4459
4460 memset(ha->scbs, 0, ha->max_cmds * sizeof (ips_scb_t));
4461
4462 for (i = 0; i < ha->max_cmds; i++) {
4463 scb_p = &ha->scbs[i];
4464 scb_p->scb_busaddr = command_dma + sizeof (ips_scb_t) * i;
4465 /* set up S/G list */
4466 if (IPS_USE_ENH_SGLIST(ha)) {
4467 scb_p->sg_list.enh_list =
4468 ips_sg.enh_list + i * IPS_MAX_SG;
4469 scb_p->sg_busaddr =
4470 sg_dma + IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * i;
4471 } else {
4472 scb_p->sg_list.std_list =
4473 ips_sg.std_list + i * IPS_MAX_SG;
4474 scb_p->sg_busaddr =
4475 sg_dma + IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * i;
4476 }
4477
4478 /* add to the free list */
4479 if (i < ha->max_cmds - 1) {
4480 scb_p->q_next = ha->scb_freelist;
4481 ha->scb_freelist = scb_p;
4482 }
4483 }
4484
4485 /* success */
4486 return (1);
4487 }
4488
4489 /****************************************************************************/
4490 /* */
4491 /* Routine Name: ips_init_scb */
4492 /* */
4493 /* Routine Description: */
4494 /* */
4495 /* Initialize a CCB to default values */
4496 /* */
4497 /****************************************************************************/
4498 static void
4499 ips_init_scb(ips_ha_t * ha, ips_scb_t * scb)
4500 {
4501 IPS_SG_LIST sg_list;
4502 uint32_t cmd_busaddr, sg_busaddr;
4503 METHOD_TRACE("ips_init_scb", 1);
4504
4505 if (scb == NULL)
4506 return;
4507
4508 sg_list.list = scb->sg_list.list;
4509 cmd_busaddr = scb->scb_busaddr;
4510 sg_busaddr = scb->sg_busaddr;
4511 /* zero fill */
4512 memset(scb, 0, sizeof (ips_scb_t));
4513 memset(ha->dummy, 0, sizeof (IPS_IO_CMD));
4514
4515 /* Initialize dummy command bucket */
4516 ha->dummy->op_code = 0xFF;
4517 ha->dummy->ccsar = cpu_to_le32(ha->adapt->hw_status_start
4518 + sizeof (IPS_ADAPTER));
4519 ha->dummy->command_id = IPS_MAX_CMDS;
4520
4521 /* set bus address of scb */
4522 scb->scb_busaddr = cmd_busaddr;
4523 scb->sg_busaddr = sg_busaddr;
4524 scb->sg_list.list = sg_list.list;
4525
4526 /* Neptune Fix */
4527 scb->cmd.basic_io.cccr = cpu_to_le32((uint32_t) IPS_BIT_ILE);
4528 scb->cmd.basic_io.ccsar = cpu_to_le32(ha->adapt->hw_status_start
4529 + sizeof (IPS_ADAPTER));
4530 }
4531
4532 /****************************************************************************/
4533 /* */
4534 /* Routine Name: ips_get_scb */
4535 /* */
4536 /* Routine Description: */
4537 /* */
4538 /* Initialize a CCB to default values */
4539 /* */
4540 /* ASSUMED to be callled from within a lock */
4541 /* */
4542 /****************************************************************************/
4543 static ips_scb_t *
4544 ips_getscb(ips_ha_t * ha)
4545 {
4546 ips_scb_t *scb;
4547
4548 METHOD_TRACE("ips_getscb", 1);
4549
4550 if ((scb = ha->scb_freelist) == NULL) {
4551
4552 return (NULL);
4553 }
4554
4555 ha->scb_freelist = scb->q_next;
4556 scb->flags = 0;
4557 scb->q_next = NULL;
4558
4559 ips_init_scb(ha, scb);
4560
4561 return (scb);
4562 }
4563
4564 /****************************************************************************/
4565 /* */
4566 /* Routine Name: ips_free_scb */
4567 /* */
4568 /* Routine Description: */
4569 /* */
4570 /* Return an unused CCB back to the free list */
4571 /* */
4572 /* ASSUMED to be called from within a lock */
4573 /* */
4574 /****************************************************************************/
4575 static void
4576 ips_freescb(ips_ha_t * ha, ips_scb_t * scb)
4577 {
4578
4579 METHOD_TRACE("ips_freescb", 1);
4580 if (scb->flags & IPS_SCB_MAP_SG)
4581 scsi_dma_unmap(scb->scsi_cmd);
4582 else if (scb->flags & IPS_SCB_MAP_SINGLE)
4583 pci_unmap_single(ha->pcidev, scb->data_busaddr, scb->data_len,
4584 IPS_DMA_DIR(scb));
4585
4586 /* check to make sure this is not our "special" scb */
4587 if (IPS_COMMAND_ID(ha, scb) < (ha->max_cmds - 1)) {
4588 scb->q_next = ha->scb_freelist;
4589 ha->scb_freelist = scb;
4590 }
4591 }
4592
4593 /****************************************************************************/
4594 /* */
4595 /* Routine Name: ips_isinit_copperhead */
4596 /* */
4597 /* Routine Description: */
4598 /* */
4599 /* Is controller initialized ? */
4600 /* */
4601 /****************************************************************************/
4602 static int
4603 ips_isinit_copperhead(ips_ha_t * ha)
4604 {
4605 uint8_t scpr;
4606 uint8_t isr;
4607
4608 METHOD_TRACE("ips_isinit_copperhead", 1);
4609
4610 isr = inb(ha->io_addr + IPS_REG_HISR);
4611 scpr = inb(ha->io_addr + IPS_REG_SCPR);
4612
4613 if (((isr & IPS_BIT_EI) == 0) && ((scpr & IPS_BIT_EBM) == 0))
4614 return (0);
4615 else
4616 return (1);
4617 }
4618
4619 /****************************************************************************/
4620 /* */
4621 /* Routine Name: ips_isinit_copperhead_memio */
4622 /* */
4623 /* Routine Description: */
4624 /* */
4625 /* Is controller initialized ? */
4626 /* */
4627 /****************************************************************************/
4628 static int
4629 ips_isinit_copperhead_memio(ips_ha_t * ha)
4630 {
4631 uint8_t isr = 0;
4632 uint8_t scpr;
4633
4634 METHOD_TRACE("ips_is_init_copperhead_memio", 1);
4635
4636 isr = readb(ha->mem_ptr + IPS_REG_HISR);
4637 scpr = readb(ha->mem_ptr + IPS_REG_SCPR);
4638
4639 if (((isr & IPS_BIT_EI) == 0) && ((scpr & IPS_BIT_EBM) == 0))
4640 return (0);
4641 else
4642 return (1);
4643 }
4644
4645 /****************************************************************************/
4646 /* */
4647 /* Routine Name: ips_isinit_morpheus */
4648 /* */
4649 /* Routine Description: */
4650 /* */
4651 /* Is controller initialized ? */
4652 /* */
4653 /****************************************************************************/
4654 static int
4655 ips_isinit_morpheus(ips_ha_t * ha)
4656 {
4657 uint32_t post;
4658 uint32_t bits;
4659
4660 METHOD_TRACE("ips_is_init_morpheus", 1);
4661
4662 if (ips_isintr_morpheus(ha))
4663 ips_flush_and_reset(ha);
4664
4665 post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
4666 bits = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
4667
4668 if (post == 0)
4669 return (0);
4670 else if (bits & 0x3)
4671 return (0);
4672 else
4673 return (1);
4674 }
4675
4676 /****************************************************************************/
4677 /* */
4678 /* Routine Name: ips_flush_and_reset */
4679 /* */
4680 /* Routine Description: */
4681 /* */
4682 /* Perform cleanup ( FLUSH and RESET ) when the adapter is in an unknown */
4683 /* state ( was trying to INIT and an interrupt was already pending ) ... */
4684 /* */
4685 /****************************************************************************/
4686 static void
4687 ips_flush_and_reset(ips_ha_t *ha)
4688 {
4689 ips_scb_t *scb;
4690 int ret;
4691 int time;
4692 int done;
4693 dma_addr_t command_dma;
4694
4695 /* Create a usuable SCB */
4696 scb = pci_alloc_consistent(ha->pcidev, sizeof(ips_scb_t), &command_dma);
4697 if (scb) {
4698 memset(scb, 0, sizeof(ips_scb_t));
4699 ips_init_scb(ha, scb);
4700 scb->scb_busaddr = command_dma;
4701
4702 scb->timeout = ips_cmd_timeout;
4703 scb->cdb[0] = IPS_CMD_FLUSH;
4704
4705 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
4706 scb->cmd.flush_cache.command_id = IPS_MAX_CMDS; /* Use an ID that would otherwise not exist */
4707 scb->cmd.flush_cache.state = IPS_NORM_STATE;
4708 scb->cmd.flush_cache.reserved = 0;
4709 scb->cmd.flush_cache.reserved2 = 0;
4710 scb->cmd.flush_cache.reserved3 = 0;
4711 scb->cmd.flush_cache.reserved4 = 0;
4712
4713 ret = ips_send_cmd(ha, scb); /* Send the Flush Command */
4714
4715 if (ret == IPS_SUCCESS) {
4716 time = 60 * IPS_ONE_SEC; /* Max Wait time is 60 seconds */
4717 done = 0;
4718
4719 while ((time > 0) && (!done)) {
4720 done = ips_poll_for_flush_complete(ha);
4721 /* This may look evil, but it's only done during extremely rare start-up conditions ! */
4722 udelay(1000);
4723 time--;
4724 }
4725 }
4726 }
4727
4728 /* Now RESET and INIT the adapter */
4729 (*ha->func.reset) (ha);
4730
4731 pci_free_consistent(ha->pcidev, sizeof(ips_scb_t), scb, command_dma);
4732 return;
4733 }
4734
4735 /****************************************************************************/
4736 /* */
4737 /* Routine Name: ips_poll_for_flush_complete */
4738 /* */
4739 /* Routine Description: */
4740 /* */
4741 /* Poll for the Flush Command issued by ips_flush_and_reset() to complete */
4742 /* All other responses are just taken off the queue and ignored */
4743 /* */
4744 /****************************************************************************/
4745 static int
4746 ips_poll_for_flush_complete(ips_ha_t * ha)
4747 {
4748 IPS_STATUS cstatus;
4749
4750 while (TRUE) {
4751 cstatus.value = (*ha->func.statupd) (ha);
4752
4753 if (cstatus.value == 0xffffffff) /* If No Interrupt to process */
4754 break;
4755
4756 /* Success is when we see the Flush Command ID */
4757 if (cstatus.fields.command_id == IPS_MAX_CMDS )
4758 return 1;
4759 }
4760
4761 return 0;
4762 }
4763
4764 /****************************************************************************/
4765 /* */
4766 /* Routine Name: ips_enable_int_copperhead */
4767 /* */
4768 /* Routine Description: */
4769 /* Turn on interrupts */
4770 /* */
4771 /****************************************************************************/
4772 static void
4773 ips_enable_int_copperhead(ips_ha_t * ha)
4774 {
4775 METHOD_TRACE("ips_enable_int_copperhead", 1);
4776
4777 outb(ha->io_addr + IPS_REG_HISR, IPS_BIT_EI);
4778 inb(ha->io_addr + IPS_REG_HISR); /*Ensure PCI Posting Completes*/
4779 }
4780
4781 /****************************************************************************/
4782 /* */
4783 /* Routine Name: ips_enable_int_copperhead_memio */
4784 /* */
4785 /* Routine Description: */
4786 /* Turn on interrupts */
4787 /* */
4788 /****************************************************************************/
4789 static void
4790 ips_enable_int_copperhead_memio(ips_ha_t * ha)
4791 {
4792 METHOD_TRACE("ips_enable_int_copperhead_memio", 1);
4793
4794 writeb(IPS_BIT_EI, ha->mem_ptr + IPS_REG_HISR);
4795 readb(ha->mem_ptr + IPS_REG_HISR); /*Ensure PCI Posting Completes*/
4796 }
4797
4798 /****************************************************************************/
4799 /* */
4800 /* Routine Name: ips_enable_int_morpheus */
4801 /* */
4802 /* Routine Description: */
4803 /* Turn on interrupts */
4804 /* */
4805 /****************************************************************************/
4806 static void
4807 ips_enable_int_morpheus(ips_ha_t * ha)
4808 {
4809 uint32_t Oimr;
4810
4811 METHOD_TRACE("ips_enable_int_morpheus", 1);
4812
4813 Oimr = readl(ha->mem_ptr + IPS_REG_I960_OIMR);
4814 Oimr &= ~0x08;
4815 writel(Oimr, ha->mem_ptr + IPS_REG_I960_OIMR);
4816 readl(ha->mem_ptr + IPS_REG_I960_OIMR); /*Ensure PCI Posting Completes*/
4817 }
4818
4819 /****************************************************************************/
4820 /* */
4821 /* Routine Name: ips_init_copperhead */
4822 /* */
4823 /* Routine Description: */
4824 /* */
4825 /* Initialize a copperhead controller */
4826 /* */
4827 /****************************************************************************/
4828 static int
4829 ips_init_copperhead(ips_ha_t * ha)
4830 {
4831 uint8_t Isr;
4832 uint8_t Cbsp;
4833 uint8_t PostByte[IPS_MAX_POST_BYTES];
4834 uint8_t ConfigByte[IPS_MAX_CONFIG_BYTES];
4835 int i, j;
4836
4837 METHOD_TRACE("ips_init_copperhead", 1);
4838
4839 for (i = 0; i < IPS_MAX_POST_BYTES; i++) {
4840 for (j = 0; j < 45; j++) {
4841 Isr = inb(ha->io_addr + IPS_REG_HISR);
4842 if (Isr & IPS_BIT_GHI)
4843 break;
4844
4845 /* Delay for 1 Second */
4846 MDELAY(IPS_ONE_SEC);
4847 }
4848
4849 if (j >= 45)
4850 /* error occurred */
4851 return (0);
4852
4853 PostByte[i] = inb(ha->io_addr + IPS_REG_ISPR);
4854 outb(Isr, ha->io_addr + IPS_REG_HISR);
4855 }
4856
4857 if (PostByte[0] < IPS_GOOD_POST_STATUS) {
4858 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4859 "reset controller fails (post status %x %x).\n",
4860 PostByte[0], PostByte[1]);
4861
4862 return (0);
4863 }
4864
4865 for (i = 0; i < IPS_MAX_CONFIG_BYTES; i++) {
4866 for (j = 0; j < 240; j++) {
4867 Isr = inb(ha->io_addr + IPS_REG_HISR);
4868 if (Isr & IPS_BIT_GHI)
4869 break;
4870
4871 /* Delay for 1 Second */
4872 MDELAY(IPS_ONE_SEC);
4873 }
4874
4875 if (j >= 240)
4876 /* error occurred */
4877 return (0);
4878
4879 ConfigByte[i] = inb(ha->io_addr + IPS_REG_ISPR);
4880 outb(Isr, ha->io_addr + IPS_REG_HISR);
4881 }
4882
4883 for (i = 0; i < 240; i++) {
4884 Cbsp = inb(ha->io_addr + IPS_REG_CBSP);
4885
4886 if ((Cbsp & IPS_BIT_OP) == 0)
4887 break;
4888
4889 /* Delay for 1 Second */
4890 MDELAY(IPS_ONE_SEC);
4891 }
4892
4893 if (i >= 240)
4894 /* reset failed */
4895 return (0);
4896
4897 /* setup CCCR */
4898 outl(cpu_to_le32(0x1010), ha->io_addr + IPS_REG_CCCR);
4899
4900 /* Enable busmastering */
4901 outb(IPS_BIT_EBM, ha->io_addr + IPS_REG_SCPR);
4902
4903 if (ha->revision_id == IPS_REVID_TROMBONE64)
4904 /* fix for anaconda64 */
4905 outl(0, ha->io_addr + IPS_REG_NDAE);
4906
4907 /* Enable interrupts */
4908 outb(IPS_BIT_EI, ha->io_addr + IPS_REG_HISR);
4909
4910 return (1);
4911 }
4912
4913 /****************************************************************************/
4914 /* */
4915 /* Routine Name: ips_init_copperhead_memio */
4916 /* */
4917 /* Routine Description: */
4918 /* */
4919 /* Initialize a copperhead controller with memory mapped I/O */
4920 /* */
4921 /****************************************************************************/
4922 static int
4923 ips_init_copperhead_memio(ips_ha_t * ha)
4924 {
4925 uint8_t Isr = 0;
4926 uint8_t Cbsp;
4927 uint8_t PostByte[IPS_MAX_POST_BYTES];
4928 uint8_t ConfigByte[IPS_MAX_CONFIG_BYTES];
4929 int i, j;
4930
4931 METHOD_TRACE("ips_init_copperhead_memio", 1);
4932
4933 for (i = 0; i < IPS_MAX_POST_BYTES; i++) {
4934 for (j = 0; j < 45; j++) {
4935 Isr = readb(ha->mem_ptr + IPS_REG_HISR);
4936 if (Isr & IPS_BIT_GHI)
4937 break;
4938
4939 /* Delay for 1 Second */
4940 MDELAY(IPS_ONE_SEC);
4941 }
4942
4943 if (j >= 45)
4944 /* error occurred */
4945 return (0);
4946
4947 PostByte[i] = readb(ha->mem_ptr + IPS_REG_ISPR);
4948 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
4949 }
4950
4951 if (PostByte[0] < IPS_GOOD_POST_STATUS) {
4952 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4953 "reset controller fails (post status %x %x).\n",
4954 PostByte[0], PostByte[1]);
4955
4956 return (0);
4957 }
4958
4959 for (i = 0; i < IPS_MAX_CONFIG_BYTES; i++) {
4960 for (j = 0; j < 240; j++) {
4961 Isr = readb(ha->mem_ptr + IPS_REG_HISR);
4962 if (Isr & IPS_BIT_GHI)
4963 break;
4964
4965 /* Delay for 1 Second */
4966 MDELAY(IPS_ONE_SEC);
4967 }
4968
4969 if (j >= 240)
4970 /* error occurred */
4971 return (0);
4972
4973 ConfigByte[i] = readb(ha->mem_ptr + IPS_REG_ISPR);
4974 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
4975 }
4976
4977 for (i = 0; i < 240; i++) {
4978 Cbsp = readb(ha->mem_ptr + IPS_REG_CBSP);
4979
4980 if ((Cbsp & IPS_BIT_OP) == 0)
4981 break;
4982
4983 /* Delay for 1 Second */
4984 MDELAY(IPS_ONE_SEC);
4985 }
4986
4987 if (i >= 240)
4988 /* error occurred */
4989 return (0);
4990
4991 /* setup CCCR */
4992 writel(0x1010, ha->mem_ptr + IPS_REG_CCCR);
4993
4994 /* Enable busmastering */
4995 writeb(IPS_BIT_EBM, ha->mem_ptr + IPS_REG_SCPR);
4996
4997 if (ha->revision_id == IPS_REVID_TROMBONE64)
4998 /* fix for anaconda64 */
4999 writel(0, ha->mem_ptr + IPS_REG_NDAE);
5000
5001 /* Enable interrupts */
5002 writeb(IPS_BIT_EI, ha->mem_ptr + IPS_REG_HISR);
5003
5004 /* if we get here then everything went OK */
5005 return (1);
5006 }
5007
5008 /****************************************************************************/
5009 /* */
5010 /* Routine Name: ips_init_morpheus */
5011 /* */
5012 /* Routine Description: */
5013 /* */
5014 /* Initialize a morpheus controller */
5015 /* */
5016 /****************************************************************************/
5017 static int
5018 ips_init_morpheus(ips_ha_t * ha)
5019 {
5020 uint32_t Post;
5021 uint32_t Config;
5022 uint32_t Isr;
5023 uint32_t Oimr;
5024 int i;
5025
5026 METHOD_TRACE("ips_init_morpheus", 1);
5027
5028 /* Wait up to 45 secs for Post */
5029 for (i = 0; i < 45; i++) {
5030 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
5031
5032 if (Isr & IPS_BIT_I960_MSG0I)
5033 break;
5034
5035 /* Delay for 1 Second */
5036 MDELAY(IPS_ONE_SEC);
5037 }
5038
5039 if (i >= 45) {
5040 /* error occurred */
5041 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5042 "timeout waiting for post.\n");
5043
5044 return (0);
5045 }
5046
5047 Post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
5048
5049 if (Post == 0x4F00) { /* If Flashing the Battery PIC */
5050 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5051 "Flashing Battery PIC, Please wait ...\n");
5052
5053 /* Clear the interrupt bit */
5054 Isr = (uint32_t) IPS_BIT_I960_MSG0I;
5055 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
5056
5057 for (i = 0; i < 120; i++) { /* Wait Up to 2 Min. for Completion */
5058 Post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
5059 if (Post != 0x4F00)
5060 break;
5061 /* Delay for 1 Second */
5062 MDELAY(IPS_ONE_SEC);
5063 }
5064
5065 if (i >= 120) {
5066 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5067 "timeout waiting for Battery PIC Flash\n");
5068 return (0);
5069 }
5070
5071 }
5072
5073 /* Clear the interrupt bit */
5074 Isr = (uint32_t) IPS_BIT_I960_MSG0I;
5075 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
5076
5077 if (Post < (IPS_GOOD_POST_STATUS << 8)) {
5078 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5079 "reset controller fails (post status %x).\n", Post);
5080
5081 return (0);
5082 }
5083
5084 /* Wait up to 240 secs for config bytes */
5085 for (i = 0; i < 240; i++) {
5086 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
5087
5088 if (Isr & IPS_BIT_I960_MSG1I)
5089 break;
5090
5091 /* Delay for 1 Second */
5092 MDELAY(IPS_ONE_SEC);
5093 }
5094
5095 if (i >= 240) {
5096 /* error occurred */
5097 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5098 "timeout waiting for config.\n");
5099
5100 return (0);
5101 }
5102
5103 Config = readl(ha->mem_ptr + IPS_REG_I960_MSG1);
5104
5105 /* Clear interrupt bit */
5106 Isr = (uint32_t) IPS_BIT_I960_MSG1I;
5107 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
5108
5109 /* Turn on the interrupts */
5110 Oimr = readl(ha->mem_ptr + IPS_REG_I960_OIMR);
5111 Oimr &= ~0x8;
5112 writel(Oimr, ha->mem_ptr + IPS_REG_I960_OIMR);
5113
5114 /* if we get here then everything went OK */
5115
5116 /* Since we did a RESET, an EraseStripeLock may be needed */
5117 if (Post == 0xEF10) {
5118 if ((Config == 0x000F) || (Config == 0x0009))
5119 ha->requires_esl = 1;
5120 }
5121
5122 return (1);
5123 }
5124
5125 /****************************************************************************/
5126 /* */
5127 /* Routine Name: ips_reset_copperhead */
5128 /* */
5129 /* Routine Description: */
5130 /* */
5131 /* Reset the controller */
5132 /* */
5133 /****************************************************************************/
5134 static int
5135 ips_reset_copperhead(ips_ha_t * ha)
5136 {
5137 int reset_counter;
5138
5139 METHOD_TRACE("ips_reset_copperhead", 1);
5140
5141 DEBUG_VAR(1, "(%s%d) ips_reset_copperhead: io addr: %x, irq: %d",
5142 ips_name, ha->host_num, ha->io_addr, ha->irq);
5143
5144 reset_counter = 0;
5145
5146 while (reset_counter < 2) {
5147 reset_counter++;
5148
5149 outb(IPS_BIT_RST, ha->io_addr + IPS_REG_SCPR);
5150
5151 /* Delay for 1 Second */
5152 MDELAY(IPS_ONE_SEC);
5153
5154 outb(0, ha->io_addr + IPS_REG_SCPR);
5155
5156 /* Delay for 1 Second */
5157 MDELAY(IPS_ONE_SEC);
5158
5159 if ((*ha->func.init) (ha))
5160 break;
5161 else if (reset_counter >= 2) {
5162
5163 return (0);
5164 }
5165 }
5166
5167 return (1);
5168 }
5169
5170 /****************************************************************************/
5171 /* */
5172 /* Routine Name: ips_reset_copperhead_memio */
5173 /* */
5174 /* Routine Description: */
5175 /* */
5176 /* Reset the controller */
5177 /* */
5178 /****************************************************************************/
5179 static int
5180 ips_reset_copperhead_memio(ips_ha_t * ha)
5181 {
5182 int reset_counter;
5183
5184 METHOD_TRACE("ips_reset_copperhead_memio", 1);
5185
5186 DEBUG_VAR(1, "(%s%d) ips_reset_copperhead_memio: mem addr: %x, irq: %d",
5187 ips_name, ha->host_num, ha->mem_addr, ha->irq);
5188
5189 reset_counter = 0;
5190
5191 while (reset_counter < 2) {
5192 reset_counter++;
5193
5194 writeb(IPS_BIT_RST, ha->mem_ptr + IPS_REG_SCPR);
5195
5196 /* Delay for 1 Second */
5197 MDELAY(IPS_ONE_SEC);
5198
5199 writeb(0, ha->mem_ptr + IPS_REG_SCPR);
5200
5201 /* Delay for 1 Second */
5202 MDELAY(IPS_ONE_SEC);
5203
5204 if ((*ha->func.init) (ha))
5205 break;
5206 else if (reset_counter >= 2) {
5207
5208 return (0);
5209 }
5210 }
5211
5212 return (1);
5213 }
5214
5215 /****************************************************************************/
5216 /* */
5217 /* Routine Name: ips_reset_morpheus */
5218 /* */
5219 /* Routine Description: */
5220 /* */
5221 /* Reset the controller */
5222 /* */
5223 /****************************************************************************/
5224 static int
5225 ips_reset_morpheus(ips_ha_t * ha)
5226 {
5227 int reset_counter;
5228 uint8_t junk;
5229
5230 METHOD_TRACE("ips_reset_morpheus", 1);
5231
5232 DEBUG_VAR(1, "(%s%d) ips_reset_morpheus: mem addr: %x, irq: %d",
5233 ips_name, ha->host_num, ha->mem_addr, ha->irq);
5234
5235 reset_counter = 0;
5236
5237 while (reset_counter < 2) {
5238 reset_counter++;
5239
5240 writel(0x80000000, ha->mem_ptr + IPS_REG_I960_IDR);
5241
5242 /* Delay for 5 Seconds */
5243 MDELAY(5 * IPS_ONE_SEC);
5244
5245 /* Do a PCI config read to wait for adapter */
5246 pci_read_config_byte(ha->pcidev, 4, &junk);
5247
5248 if ((*ha->func.init) (ha))
5249 break;
5250 else if (reset_counter >= 2) {
5251
5252 return (0);
5253 }
5254 }
5255
5256 return (1);
5257 }
5258
5259 /****************************************************************************/
5260 /* */
5261 /* Routine Name: ips_statinit */
5262 /* */
5263 /* Routine Description: */
5264 /* */
5265 /* Initialize the status queues on the controller */
5266 /* */
5267 /****************************************************************************/
5268 static void
5269 ips_statinit(ips_ha_t * ha)
5270 {
5271 uint32_t phys_status_start;
5272
5273 METHOD_TRACE("ips_statinit", 1);
5274
5275 ha->adapt->p_status_start = ha->adapt->status;
5276 ha->adapt->p_status_end = ha->adapt->status + IPS_MAX_CMDS;
5277 ha->adapt->p_status_tail = ha->adapt->status;
5278
5279 phys_status_start = ha->adapt->hw_status_start;
5280 outl(cpu_to_le32(phys_status_start), ha->io_addr + IPS_REG_SQSR);
5281 outl(cpu_to_le32(phys_status_start + IPS_STATUS_Q_SIZE),
5282 ha->io_addr + IPS_REG_SQER);
5283 outl(cpu_to_le32(phys_status_start + IPS_STATUS_SIZE),
5284 ha->io_addr + IPS_REG_SQHR);
5285 outl(cpu_to_le32(phys_status_start), ha->io_addr + IPS_REG_SQTR);
5286
5287 ha->adapt->hw_status_tail = phys_status_start;
5288 }
5289
5290 /****************************************************************************/
5291 /* */
5292 /* Routine Name: ips_statinit_memio */
5293 /* */
5294 /* Routine Description: */
5295 /* */
5296 /* Initialize the status queues on the controller */
5297 /* */
5298 /****************************************************************************/
5299 static void
5300 ips_statinit_memio(ips_ha_t * ha)
5301 {
5302 uint32_t phys_status_start;
5303
5304 METHOD_TRACE("ips_statinit_memio", 1);
5305
5306 ha->adapt->p_status_start = ha->adapt->status;
5307 ha->adapt->p_status_end = ha->adapt->status + IPS_MAX_CMDS;
5308 ha->adapt->p_status_tail = ha->adapt->status;
5309
5310 phys_status_start = ha->adapt->hw_status_start;
5311 writel(phys_status_start, ha->mem_ptr + IPS_REG_SQSR);
5312 writel(phys_status_start + IPS_STATUS_Q_SIZE,
5313 ha->mem_ptr + IPS_REG_SQER);
5314 writel(phys_status_start + IPS_STATUS_SIZE, ha->mem_ptr + IPS_REG_SQHR);
5315 writel(phys_status_start, ha->mem_ptr + IPS_REG_SQTR);
5316
5317 ha->adapt->hw_status_tail = phys_status_start;
5318 }
5319
5320 /****************************************************************************/
5321 /* */
5322 /* Routine Name: ips_statupd_copperhead */
5323 /* */
5324 /* Routine Description: */
5325 /* */
5326 /* Remove an element from the status queue */
5327 /* */
5328 /****************************************************************************/
5329 static uint32_t
5330 ips_statupd_copperhead(ips_ha_t * ha)
5331 {
5332 METHOD_TRACE("ips_statupd_copperhead", 1);
5333
5334 if (ha->adapt->p_status_tail != ha->adapt->p_status_end) {
5335 ha->adapt->p_status_tail++;
5336 ha->adapt->hw_status_tail += sizeof (IPS_STATUS);
5337 } else {
5338 ha->adapt->p_status_tail = ha->adapt->p_status_start;
5339 ha->adapt->hw_status_tail = ha->adapt->hw_status_start;
5340 }
5341
5342 outl(cpu_to_le32(ha->adapt->hw_status_tail),
5343 ha->io_addr + IPS_REG_SQTR);
5344
5345 return (ha->adapt->p_status_tail->value);
5346 }
5347
5348 /****************************************************************************/
5349 /* */
5350 /* Routine Name: ips_statupd_copperhead_memio */
5351 /* */
5352 /* Routine Description: */
5353 /* */
5354 /* Remove an element from the status queue */
5355 /* */
5356 /****************************************************************************/
5357 static uint32_t
5358 ips_statupd_copperhead_memio(ips_ha_t * ha)
5359 {
5360 METHOD_TRACE("ips_statupd_copperhead_memio", 1);
5361
5362 if (ha->adapt->p_status_tail != ha->adapt->p_status_end) {
5363 ha->adapt->p_status_tail++;
5364 ha->adapt->hw_status_tail += sizeof (IPS_STATUS);
5365 } else {
5366 ha->adapt->p_status_tail = ha->adapt->p_status_start;
5367 ha->adapt->hw_status_tail = ha->adapt->hw_status_start;
5368 }
5369
5370 writel(ha->adapt->hw_status_tail, ha->mem_ptr + IPS_REG_SQTR);
5371
5372 return (ha->adapt->p_status_tail->value);
5373 }
5374
5375 /****************************************************************************/
5376 /* */
5377 /* Routine Name: ips_statupd_morpheus */
5378 /* */
5379 /* Routine Description: */
5380 /* */
5381 /* Remove an element from the status queue */
5382 /* */
5383 /****************************************************************************/
5384 static uint32_t
5385 ips_statupd_morpheus(ips_ha_t * ha)
5386 {
5387 uint32_t val;
5388
5389 METHOD_TRACE("ips_statupd_morpheus", 1);
5390
5391 val = readl(ha->mem_ptr + IPS_REG_I2O_OUTMSGQ);
5392
5393 return (val);
5394 }
5395
5396 /****************************************************************************/
5397 /* */
5398 /* Routine Name: ips_issue_copperhead */
5399 /* */
5400 /* Routine Description: */
5401 /* */
5402 /* Send a command down to the controller */
5403 /* */
5404 /****************************************************************************/
5405 static int
5406 ips_issue_copperhead(ips_ha_t * ha, ips_scb_t * scb)
5407 {
5408 uint32_t TimeOut;
5409 uint32_t val;
5410
5411 METHOD_TRACE("ips_issue_copperhead", 1);
5412
5413 if (scb->scsi_cmd) {
5414 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5415 ips_name,
5416 ha->host_num,
5417 scb->cdb[0],
5418 scb->cmd.basic_io.command_id,
5419 scb->bus, scb->target_id, scb->lun);
5420 } else {
5421 DEBUG_VAR(2, KERN_NOTICE "(%s%d) ips_issue: logical cmd id %d",
5422 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5423 }
5424
5425 TimeOut = 0;
5426
5427 while ((val =
5428 le32_to_cpu(inl(ha->io_addr + IPS_REG_CCCR))) & IPS_BIT_SEM) {
5429 udelay(1000);
5430
5431 if (++TimeOut >= IPS_SEM_TIMEOUT) {
5432 if (!(val & IPS_BIT_START_STOP))
5433 break;
5434
5435 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5436 "ips_issue val [0x%x].\n", val);
5437 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5438 "ips_issue semaphore chk timeout.\n");
5439
5440 return (IPS_FAILURE);
5441 } /* end if */
5442 } /* end while */
5443
5444 outl(cpu_to_le32(scb->scb_busaddr), ha->io_addr + IPS_REG_CCSAR);
5445 outw(cpu_to_le32(IPS_BIT_START_CMD), ha->io_addr + IPS_REG_CCCR);
5446
5447 return (IPS_SUCCESS);
5448 }
5449
5450 /****************************************************************************/
5451 /* */
5452 /* Routine Name: ips_issue_copperhead_memio */
5453 /* */
5454 /* Routine Description: */
5455 /* */
5456 /* Send a command down to the controller */
5457 /* */
5458 /****************************************************************************/
5459 static int
5460 ips_issue_copperhead_memio(ips_ha_t * ha, ips_scb_t * scb)
5461 {
5462 uint32_t TimeOut;
5463 uint32_t val;
5464
5465 METHOD_TRACE("ips_issue_copperhead_memio", 1);
5466
5467 if (scb->scsi_cmd) {
5468 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5469 ips_name,
5470 ha->host_num,
5471 scb->cdb[0],
5472 scb->cmd.basic_io.command_id,
5473 scb->bus, scb->target_id, scb->lun);
5474 } else {
5475 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5476 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5477 }
5478
5479 TimeOut = 0;
5480
5481 while ((val = readl(ha->mem_ptr + IPS_REG_CCCR)) & IPS_BIT_SEM) {
5482 udelay(1000);
5483
5484 if (++TimeOut >= IPS_SEM_TIMEOUT) {
5485 if (!(val & IPS_BIT_START_STOP))
5486 break;
5487
5488 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5489 "ips_issue val [0x%x].\n", val);
5490 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5491 "ips_issue semaphore chk timeout.\n");
5492
5493 return (IPS_FAILURE);
5494 } /* end if */
5495 } /* end while */
5496
5497 writel(scb->scb_busaddr, ha->mem_ptr + IPS_REG_CCSAR);
5498 writel(IPS_BIT_START_CMD, ha->mem_ptr + IPS_REG_CCCR);
5499
5500 return (IPS_SUCCESS);
5501 }
5502
5503 /****************************************************************************/
5504 /* */
5505 /* Routine Name: ips_issue_i2o */
5506 /* */
5507 /* Routine Description: */
5508 /* */
5509 /* Send a command down to the controller */
5510 /* */
5511 /****************************************************************************/
5512 static int
5513 ips_issue_i2o(ips_ha_t * ha, ips_scb_t * scb)
5514 {
5515
5516 METHOD_TRACE("ips_issue_i2o", 1);
5517
5518 if (scb->scsi_cmd) {
5519 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5520 ips_name,
5521 ha->host_num,
5522 scb->cdb[0],
5523 scb->cmd.basic_io.command_id,
5524 scb->bus, scb->target_id, scb->lun);
5525 } else {
5526 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5527 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5528 }
5529
5530 outl(cpu_to_le32(scb->scb_busaddr), ha->io_addr + IPS_REG_I2O_INMSGQ);
5531
5532 return (IPS_SUCCESS);
5533 }
5534
5535 /****************************************************************************/
5536 /* */
5537 /* Routine Name: ips_issue_i2o_memio */
5538 /* */
5539 /* Routine Description: */
5540 /* */
5541 /* Send a command down to the controller */
5542 /* */
5543 /****************************************************************************/
5544 static int
5545 ips_issue_i2o_memio(ips_ha_t * ha, ips_scb_t * scb)
5546 {
5547
5548 METHOD_TRACE("ips_issue_i2o_memio", 1);
5549
5550 if (scb->scsi_cmd) {
5551 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5552 ips_name,
5553 ha->host_num,
5554 scb->cdb[0],
5555 scb->cmd.basic_io.command_id,
5556 scb->bus, scb->target_id, scb->lun);
5557 } else {
5558 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5559 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5560 }
5561
5562 writel(scb->scb_busaddr, ha->mem_ptr + IPS_REG_I2O_INMSGQ);
5563
5564 return (IPS_SUCCESS);
5565 }
5566
5567 /****************************************************************************/
5568 /* */
5569 /* Routine Name: ips_isintr_copperhead */
5570 /* */
5571 /* Routine Description: */
5572 /* */
5573 /* Test to see if an interrupt is for us */
5574 /* */
5575 /****************************************************************************/
5576 static int
5577 ips_isintr_copperhead(ips_ha_t * ha)
5578 {
5579 uint8_t Isr;
5580
5581 METHOD_TRACE("ips_isintr_copperhead", 2);
5582
5583 Isr = inb(ha->io_addr + IPS_REG_HISR);
5584
5585 if (Isr == 0xFF)
5586 /* ?!?! Nothing really there */
5587 return (0);
5588
5589 if (Isr & IPS_BIT_SCE)
5590 return (1);
5591 else if (Isr & (IPS_BIT_SQO | IPS_BIT_GHI)) {
5592 /* status queue overflow or GHI */
5593 /* just clear the interrupt */
5594 outb(Isr, ha->io_addr + IPS_REG_HISR);
5595 }
5596
5597 return (0);
5598 }
5599
5600 /****************************************************************************/
5601 /* */
5602 /* Routine Name: ips_isintr_copperhead_memio */
5603 /* */
5604 /* Routine Description: */
5605 /* */
5606 /* Test to see if an interrupt is for us */
5607 /* */
5608 /****************************************************************************/
5609 static int
5610 ips_isintr_copperhead_memio(ips_ha_t * ha)
5611 {
5612 uint8_t Isr;
5613
5614 METHOD_TRACE("ips_isintr_memio", 2);
5615
5616 Isr = readb(ha->mem_ptr + IPS_REG_HISR);
5617
5618 if (Isr == 0xFF)
5619 /* ?!?! Nothing really there */
5620 return (0);
5621
5622 if (Isr & IPS_BIT_SCE)
5623 return (1);
5624 else if (Isr & (IPS_BIT_SQO | IPS_BIT_GHI)) {
5625 /* status queue overflow or GHI */
5626 /* just clear the interrupt */
5627 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
5628 }
5629
5630 return (0);
5631 }
5632
5633 /****************************************************************************/
5634 /* */
5635 /* Routine Name: ips_isintr_morpheus */
5636 /* */
5637 /* Routine Description: */
5638 /* */
5639 /* Test to see if an interrupt is for us */
5640 /* */
5641 /****************************************************************************/
5642 static int
5643 ips_isintr_morpheus(ips_ha_t * ha)
5644 {
5645 uint32_t Isr;
5646
5647 METHOD_TRACE("ips_isintr_morpheus", 2);
5648
5649 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
5650
5651 if (Isr & IPS_BIT_I2O_OPQI)
5652 return (1);
5653 else
5654 return (0);
5655 }
5656
5657 /****************************************************************************/
5658 /* */
5659 /* Routine Name: ips_wait */
5660 /* */
5661 /* Routine Description: */
5662 /* */
5663 /* Wait for a command to complete */
5664 /* */
5665 /****************************************************************************/
5666 static int
5667 ips_wait(ips_ha_t * ha, int time, int intr)
5668 {
5669 int ret;
5670 int done;
5671
5672 METHOD_TRACE("ips_wait", 1);
5673
5674 ret = IPS_FAILURE;
5675 done = FALSE;
5676
5677 time *= IPS_ONE_SEC; /* convert seconds */
5678
5679 while ((time > 0) && (!done)) {
5680 if (intr == IPS_INTR_ON) {
5681 if (ha->waitflag == FALSE) {
5682 ret = IPS_SUCCESS;
5683 done = TRUE;
5684 break;
5685 }
5686 } else if (intr == IPS_INTR_IORL) {
5687 if (ha->waitflag == FALSE) {
5688 /*
5689 * controller generated an interrupt to
5690 * acknowledge completion of the command
5691 * and ips_intr() has serviced the interrupt.
5692 */
5693 ret = IPS_SUCCESS;
5694 done = TRUE;
5695 break;
5696 }
5697
5698 /*
5699 * NOTE: we already have the io_request_lock so
5700 * even if we get an interrupt it won't get serviced
5701 * until after we finish.
5702 */
5703
5704 (*ha->func.intr) (ha);
5705 }
5706
5707 /* This looks like a very evil loop, but it only does this during start-up */
5708 udelay(1000);
5709 time--;
5710 }
5711
5712 return (ret);
5713 }
5714
5715 /****************************************************************************/
5716 /* */
5717 /* Routine Name: ips_write_driver_status */
5718 /* */
5719 /* Routine Description: */
5720 /* */
5721 /* Write OS/Driver version to Page 5 of the nvram on the controller */
5722 /* */
5723 /****************************************************************************/
5724 static int
5725 ips_write_driver_status(ips_ha_t * ha, int intr)
5726 {
5727 METHOD_TRACE("ips_write_driver_status", 1);
5728
5729 if (!ips_readwrite_page5(ha, FALSE, intr)) {
5730 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5731 "unable to read NVRAM page 5.\n");
5732
5733 return (0);
5734 }
5735
5736 /* check to make sure the page has a valid */
5737 /* signature */
5738 if (le32_to_cpu(ha->nvram->signature) != IPS_NVRAM_P5_SIG) {
5739 DEBUG_VAR(1,
5740 "(%s%d) NVRAM page 5 has an invalid signature: %X.",
5741 ips_name, ha->host_num, ha->nvram->signature);
5742 ha->nvram->signature = IPS_NVRAM_P5_SIG;
5743 }
5744
5745 DEBUG_VAR(2,
5746 "(%s%d) Ad Type: %d, Ad Slot: %d, BIOS: %c%c%c%c %c%c%c%c.",
5747 ips_name, ha->host_num, le16_to_cpu(ha->nvram->adapter_type),
5748 ha->nvram->adapter_slot, ha->nvram->bios_high[0],
5749 ha->nvram->bios_high[1], ha->nvram->bios_high[2],
5750 ha->nvram->bios_high[3], ha->nvram->bios_low[0],
5751 ha->nvram->bios_low[1], ha->nvram->bios_low[2],
5752 ha->nvram->bios_low[3]);
5753
5754 ips_get_bios_version(ha, intr);
5755
5756 /* change values (as needed) */
5757 ha->nvram->operating_system = IPS_OS_LINUX;
5758 ha->nvram->adapter_type = ha->ad_type;
5759 strncpy((char *) ha->nvram->driver_high, IPS_VERSION_HIGH, 4);
5760 strncpy((char *) ha->nvram->driver_low, IPS_VERSION_LOW, 4);
5761 strncpy((char *) ha->nvram->bios_high, ha->bios_version, 4);
5762 strncpy((char *) ha->nvram->bios_low, ha->bios_version + 4, 4);
5763
5764 ha->nvram->versioning = 0; /* Indicate the Driver Does Not Support Versioning */
5765
5766 /* now update the page */
5767 if (!ips_readwrite_page5(ha, TRUE, intr)) {
5768 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5769 "unable to write NVRAM page 5.\n");
5770
5771 return (0);
5772 }
5773
5774 /* IF NVRAM Page 5 is OK, Use it for Slot Number Info Because Linux Doesn't Do Slots */
5775 ha->slot_num = ha->nvram->adapter_slot;
5776
5777 return (1);
5778 }
5779
5780 /****************************************************************************/
5781 /* */
5782 /* Routine Name: ips_read_adapter_status */
5783 /* */
5784 /* Routine Description: */
5785 /* */
5786 /* Do an Inquiry command to the adapter */
5787 /* */
5788 /****************************************************************************/
5789 static int
5790 ips_read_adapter_status(ips_ha_t * ha, int intr)
5791 {
5792 ips_scb_t *scb;
5793 int ret;
5794
5795 METHOD_TRACE("ips_read_adapter_status", 1);
5796
5797 scb = &ha->scbs[ha->max_cmds - 1];
5798
5799 ips_init_scb(ha, scb);
5800
5801 scb->timeout = ips_cmd_timeout;
5802 scb->cdb[0] = IPS_CMD_ENQUIRY;
5803
5804 scb->cmd.basic_io.op_code = IPS_CMD_ENQUIRY;
5805 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5806 scb->cmd.basic_io.sg_count = 0;
5807 scb->cmd.basic_io.lba = 0;
5808 scb->cmd.basic_io.sector_count = 0;
5809 scb->cmd.basic_io.log_drv = 0;
5810 scb->data_len = sizeof (*ha->enq);
5811 scb->cmd.basic_io.sg_addr = ha->enq_busaddr;
5812
5813 /* send command */
5814 if (((ret =
5815 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5816 || (ret == IPS_SUCCESS_IMM)
5817 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5818 return (0);
5819
5820 return (1);
5821 }
5822
5823 /****************************************************************************/
5824 /* */
5825 /* Routine Name: ips_read_subsystem_parameters */
5826 /* */
5827 /* Routine Description: */
5828 /* */
5829 /* Read subsystem parameters from the adapter */
5830 /* */
5831 /****************************************************************************/
5832 static int
5833 ips_read_subsystem_parameters(ips_ha_t * ha, int intr)
5834 {
5835 ips_scb_t *scb;
5836 int ret;
5837
5838 METHOD_TRACE("ips_read_subsystem_parameters", 1);
5839
5840 scb = &ha->scbs[ha->max_cmds - 1];
5841
5842 ips_init_scb(ha, scb);
5843
5844 scb->timeout = ips_cmd_timeout;
5845 scb->cdb[0] = IPS_CMD_GET_SUBSYS;
5846
5847 scb->cmd.basic_io.op_code = IPS_CMD_GET_SUBSYS;
5848 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5849 scb->cmd.basic_io.sg_count = 0;
5850 scb->cmd.basic_io.lba = 0;
5851 scb->cmd.basic_io.sector_count = 0;
5852 scb->cmd.basic_io.log_drv = 0;
5853 scb->data_len = sizeof (*ha->subsys);
5854 scb->cmd.basic_io.sg_addr = ha->ioctl_busaddr;
5855
5856 /* send command */
5857 if (((ret =
5858 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5859 || (ret == IPS_SUCCESS_IMM)
5860 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5861 return (0);
5862
5863 memcpy(ha->subsys, ha->ioctl_data, sizeof(*ha->subsys));
5864 return (1);
5865 }
5866
5867 /****************************************************************************/
5868 /* */
5869 /* Routine Name: ips_read_config */
5870 /* */
5871 /* Routine Description: */
5872 /* */
5873 /* Read the configuration on the adapter */
5874 /* */
5875 /****************************************************************************/
5876 static int
5877 ips_read_config(ips_ha_t * ha, int intr)
5878 {
5879 ips_scb_t *scb;
5880 int i;
5881 int ret;
5882
5883 METHOD_TRACE("ips_read_config", 1);
5884
5885 /* set defaults for initiator IDs */
5886 for (i = 0; i < 4; i++)
5887 ha->conf->init_id[i] = 7;
5888
5889 scb = &ha->scbs[ha->max_cmds - 1];
5890
5891 ips_init_scb(ha, scb);
5892
5893 scb->timeout = ips_cmd_timeout;
5894 scb->cdb[0] = IPS_CMD_READ_CONF;
5895
5896 scb->cmd.basic_io.op_code = IPS_CMD_READ_CONF;
5897 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5898 scb->data_len = sizeof (*ha->conf);
5899 scb->cmd.basic_io.sg_addr = ha->ioctl_busaddr;
5900
5901 /* send command */
5902 if (((ret =
5903 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5904 || (ret == IPS_SUCCESS_IMM)
5905 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) {
5906
5907 memset(ha->conf, 0, sizeof (IPS_CONF));
5908
5909 /* reset initiator IDs */
5910 for (i = 0; i < 4; i++)
5911 ha->conf->init_id[i] = 7;
5912
5913 /* Allow Completed with Errors, so JCRM can access the Adapter to fix the problems */
5914 if ((scb->basic_status & IPS_GSC_STATUS_MASK) ==
5915 IPS_CMD_CMPLT_WERROR)
5916 return (1);
5917
5918 return (0);
5919 }
5920
5921 memcpy(ha->conf, ha->ioctl_data, sizeof(*ha->conf));
5922 return (1);
5923 }
5924
5925 /****************************************************************************/
5926 /* */
5927 /* Routine Name: ips_readwrite_page5 */
5928 /* */
5929 /* Routine Description: */
5930 /* */
5931 /* Read nvram page 5 from the adapter */
5932 /* */
5933 /****************************************************************************/
5934 static int
5935 ips_readwrite_page5(ips_ha_t * ha, int write, int intr)
5936 {
5937 ips_scb_t *scb;
5938 int ret;
5939
5940 METHOD_TRACE("ips_readwrite_page5", 1);
5941
5942 scb = &ha->scbs[ha->max_cmds - 1];
5943
5944 ips_init_scb(ha, scb);
5945
5946 scb->timeout = ips_cmd_timeout;
5947 scb->cdb[0] = IPS_CMD_RW_NVRAM_PAGE;
5948
5949 scb->cmd.nvram.op_code = IPS_CMD_RW_NVRAM_PAGE;
5950 scb->cmd.nvram.command_id = IPS_COMMAND_ID(ha, scb);
5951 scb->cmd.nvram.page = 5;
5952 scb->cmd.nvram.write = write;
5953 scb->cmd.nvram.reserved = 0;
5954 scb->cmd.nvram.reserved2 = 0;
5955 scb->data_len = sizeof (*ha->nvram);
5956 scb->cmd.nvram.buffer_addr = ha->ioctl_busaddr;
5957 if (write)
5958 memcpy(ha->ioctl_data, ha->nvram, sizeof(*ha->nvram));
5959
5960 /* issue the command */
5961 if (((ret =
5962 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5963 || (ret == IPS_SUCCESS_IMM)
5964 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) {
5965
5966 memset(ha->nvram, 0, sizeof (IPS_NVRAM_P5));
5967
5968 return (0);
5969 }
5970 if (!write)
5971 memcpy(ha->nvram, ha->ioctl_data, sizeof(*ha->nvram));
5972 return (1);
5973 }
5974
5975 /****************************************************************************/
5976 /* */
5977 /* Routine Name: ips_clear_adapter */
5978 /* */
5979 /* Routine Description: */
5980 /* */
5981 /* Clear the stripe lock tables */
5982 /* */
5983 /****************************************************************************/
5984 static int
5985 ips_clear_adapter(ips_ha_t * ha, int intr)
5986 {
5987 ips_scb_t *scb;
5988 int ret;
5989
5990 METHOD_TRACE("ips_clear_adapter", 1);
5991
5992 scb = &ha->scbs[ha->max_cmds - 1];
5993
5994 ips_init_scb(ha, scb);
5995
5996 scb->timeout = ips_reset_timeout;
5997 scb->cdb[0] = IPS_CMD_CONFIG_SYNC;
5998
5999 scb->cmd.config_sync.op_code = IPS_CMD_CONFIG_SYNC;
6000 scb->cmd.config_sync.command_id = IPS_COMMAND_ID(ha, scb);
6001 scb->cmd.config_sync.channel = 0;
6002 scb->cmd.config_sync.source_target = IPS_POCL;
6003 scb->cmd.config_sync.reserved = 0;
6004 scb->cmd.config_sync.reserved2 = 0;
6005 scb->cmd.config_sync.reserved3 = 0;
6006
6007 /* issue command */
6008 if (((ret =
6009 ips_send_wait(ha, scb, ips_reset_timeout, intr)) == IPS_FAILURE)
6010 || (ret == IPS_SUCCESS_IMM)
6011 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
6012 return (0);
6013
6014 /* send unlock stripe command */
6015 ips_init_scb(ha, scb);
6016
6017 scb->cdb[0] = IPS_CMD_ERROR_TABLE;
6018 scb->timeout = ips_reset_timeout;
6019
6020 scb->cmd.unlock_stripe.op_code = IPS_CMD_ERROR_TABLE;
6021 scb->cmd.unlock_stripe.command_id = IPS_COMMAND_ID(ha, scb);
6022 scb->cmd.unlock_stripe.log_drv = 0;
6023 scb->cmd.unlock_stripe.control = IPS_CSL;
6024 scb->cmd.unlock_stripe.reserved = 0;
6025 scb->cmd.unlock_stripe.reserved2 = 0;
6026 scb->cmd.unlock_stripe.reserved3 = 0;
6027
6028 /* issue command */
6029 if (((ret =
6030 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
6031 || (ret == IPS_SUCCESS_IMM)
6032 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
6033 return (0);
6034
6035 return (1);
6036 }
6037
6038 /****************************************************************************/
6039 /* */
6040 /* Routine Name: ips_ffdc_reset */
6041 /* */
6042 /* Routine Description: */
6043 /* */
6044 /* FFDC: write reset info */
6045 /* */
6046 /****************************************************************************/
6047 static void
6048 ips_ffdc_reset(ips_ha_t * ha, int intr)
6049 {
6050 ips_scb_t *scb;
6051
6052 METHOD_TRACE("ips_ffdc_reset", 1);
6053
6054 scb = &ha->scbs[ha->max_cmds - 1];
6055
6056 ips_init_scb(ha, scb);
6057
6058 scb->timeout = ips_cmd_timeout;
6059 scb->cdb[0] = IPS_CMD_FFDC;
6060 scb->cmd.ffdc.op_code = IPS_CMD_FFDC;
6061 scb->cmd.ffdc.command_id = IPS_COMMAND_ID(ha, scb);
6062 scb->cmd.ffdc.reset_count = ha->reset_count;
6063 scb->cmd.ffdc.reset_type = 0x80;
6064
6065 /* convert time to what the card wants */
6066 ips_fix_ffdc_time(ha, scb, ha->last_ffdc);
6067
6068 /* issue command */
6069 ips_send_wait(ha, scb, ips_cmd_timeout, intr);
6070 }
6071
6072 /****************************************************************************/
6073 /* */
6074 /* Routine Name: ips_ffdc_time */
6075 /* */
6076 /* Routine Description: */
6077 /* */
6078 /* FFDC: write time info */
6079 /* */
6080 /****************************************************************************/
6081 static void
6082 ips_ffdc_time(ips_ha_t * ha)
6083 {
6084 ips_scb_t *scb;
6085
6086 METHOD_TRACE("ips_ffdc_time", 1);
6087
6088 DEBUG_VAR(1, "(%s%d) Sending time update.", ips_name, ha->host_num);
6089
6090 scb = &ha->scbs[ha->max_cmds - 1];
6091
6092 ips_init_scb(ha, scb);
6093
6094 scb->timeout = ips_cmd_timeout;
6095 scb->cdb[0] = IPS_CMD_FFDC;
6096 scb->cmd.ffdc.op_code = IPS_CMD_FFDC;
6097 scb->cmd.ffdc.command_id = IPS_COMMAND_ID(ha, scb);
6098 scb->cmd.ffdc.reset_count = 0;
6099 scb->cmd.ffdc.reset_type = 0;
6100
6101 /* convert time to what the card wants */
6102 ips_fix_ffdc_time(ha, scb, ha->last_ffdc);
6103
6104 /* issue command */
6105 ips_send_wait(ha, scb, ips_cmd_timeout, IPS_FFDC);
6106 }
6107
6108 /****************************************************************************/
6109 /* */
6110 /* Routine Name: ips_fix_ffdc_time */
6111 /* */
6112 /* Routine Description: */
6113 /* Adjust time_t to what the card wants */
6114 /* */
6115 /****************************************************************************/
6116 static void
6117 ips_fix_ffdc_time(ips_ha_t * ha, ips_scb_t * scb, time_t current_time)
6118 {
6119 long days;
6120 long rem;
6121 int i;
6122 int year;
6123 int yleap;
6124 int year_lengths[2] = { IPS_DAYS_NORMAL_YEAR, IPS_DAYS_LEAP_YEAR };
6125 int month_lengths[12][2] = { {31, 31},
6126 {28, 29},
6127 {31, 31},
6128 {30, 30},
6129 {31, 31},
6130 {30, 30},
6131 {31, 31},
6132 {31, 31},
6133 {30, 30},
6134 {31, 31},
6135 {30, 30},
6136 {31, 31}
6137 };
6138
6139 METHOD_TRACE("ips_fix_ffdc_time", 1);
6140
6141 days = current_time / IPS_SECS_DAY;
6142 rem = current_time % IPS_SECS_DAY;
6143
6144 scb->cmd.ffdc.hour = (rem / IPS_SECS_HOUR);
6145 rem = rem % IPS_SECS_HOUR;
6146 scb->cmd.ffdc.minute = (rem / IPS_SECS_MIN);
6147 scb->cmd.ffdc.second = (rem % IPS_SECS_MIN);
6148
6149 year = IPS_EPOCH_YEAR;
6150 while (days < 0 || days >= year_lengths[yleap = IPS_IS_LEAP_YEAR(year)]) {
6151 int newy;
6152
6153 newy = year + (days / IPS_DAYS_NORMAL_YEAR);
6154 if (days < 0)
6155 --newy;
6156 days -= (newy - year) * IPS_DAYS_NORMAL_YEAR +
6157 IPS_NUM_LEAP_YEARS_THROUGH(newy - 1) -
6158 IPS_NUM_LEAP_YEARS_THROUGH(year - 1);
6159 year = newy;
6160 }
6161
6162 scb->cmd.ffdc.yearH = year / 100;
6163 scb->cmd.ffdc.yearL = year % 100;
6164
6165 for (i = 0; days >= month_lengths[i][yleap]; ++i)
6166 days -= month_lengths[i][yleap];
6167
6168 scb->cmd.ffdc.month = i + 1;
6169 scb->cmd.ffdc.day = days + 1;
6170 }
6171
6172 /****************************************************************************
6173 * BIOS Flash Routines *
6174 ****************************************************************************/
6175
6176 /****************************************************************************/
6177 /* */
6178 /* Routine Name: ips_erase_bios */
6179 /* */
6180 /* Routine Description: */
6181 /* Erase the BIOS on the adapter */
6182 /* */
6183 /****************************************************************************/
6184 static int
6185 ips_erase_bios(ips_ha_t * ha)
6186 {
6187 int timeout;
6188 uint8_t status = 0;
6189
6190 METHOD_TRACE("ips_erase_bios", 1);
6191
6192 status = 0;
6193
6194 /* Clear the status register */
6195 outl(0, ha->io_addr + IPS_REG_FLAP);
6196 if (ha->revision_id == IPS_REVID_TROMBONE64)
6197 udelay(25); /* 25 us */
6198
6199 outb(0x50, ha->io_addr + IPS_REG_FLDP);
6200 if (ha->revision_id == IPS_REVID_TROMBONE64)
6201 udelay(25); /* 25 us */
6202
6203 /* Erase Setup */
6204 outb(0x20, ha->io_addr + IPS_REG_FLDP);
6205 if (ha->revision_id == IPS_REVID_TROMBONE64)
6206 udelay(25); /* 25 us */
6207
6208 /* Erase Confirm */
6209 outb(0xD0, ha->io_addr + IPS_REG_FLDP);
6210 if (ha->revision_id == IPS_REVID_TROMBONE64)
6211 udelay(25); /* 25 us */
6212
6213 /* Erase Status */
6214 outb(0x70, ha->io_addr + IPS_REG_FLDP);
6215 if (ha->revision_id == IPS_REVID_TROMBONE64)
6216 udelay(25); /* 25 us */
6217
6218 timeout = 80000; /* 80 seconds */
6219
6220 while (timeout > 0) {
6221 if (ha->revision_id == IPS_REVID_TROMBONE64) {
6222 outl(0, ha->io_addr + IPS_REG_FLAP);
6223 udelay(25); /* 25 us */
6224 }
6225
6226 status = inb(ha->io_addr + IPS_REG_FLDP);
6227
6228 if (status & 0x80)
6229 break;
6230
6231 MDELAY(1);
6232 timeout--;
6233 }
6234
6235 /* check for timeout */
6236 if (timeout <= 0) {
6237 /* timeout */
6238
6239 /* try to suspend the erase */
6240 outb(0xB0, ha->io_addr + IPS_REG_FLDP);
6241 if (ha->revision_id == IPS_REVID_TROMBONE64)
6242 udelay(25); /* 25 us */
6243
6244 /* wait for 10 seconds */
6245 timeout = 10000;
6246 while (timeout > 0) {
6247 if (ha->revision_id == IPS_REVID_TROMBONE64) {
6248 outl(0, ha->io_addr + IPS_REG_FLAP);
6249 udelay(25); /* 25 us */
6250 }
6251
6252 status = inb(ha->io_addr + IPS_REG_FLDP);
6253
6254 if (status & 0xC0)
6255 break;
6256
6257 MDELAY(1);
6258 timeout--;
6259 }
6260
6261 return (1);
6262 }
6263
6264 /* check for valid VPP */
6265 if (status & 0x08)
6266 /* VPP failure */
6267 return (1);
6268
6269 /* check for successful flash */
6270 if (status & 0x30)
6271 /* sequence error */
6272 return (1);
6273
6274 /* Otherwise, we were successful */
6275 /* clear status */
6276 outb(0x50, ha->io_addr + IPS_REG_FLDP);
6277 if (ha->revision_id == IPS_REVID_TROMBONE64)
6278 udelay(25); /* 25 us */
6279
6280 /* enable reads */
6281 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6282 if (ha->revision_id == IPS_REVID_TROMBONE64)
6283 udelay(25); /* 25 us */
6284
6285 return (0);
6286 }
6287
6288 /****************************************************************************/
6289 /* */
6290 /* Routine Name: ips_erase_bios_memio */
6291 /* */
6292 /* Routine Description: */
6293 /* Erase the BIOS on the adapter */
6294 /* */
6295 /****************************************************************************/
6296 static int
6297 ips_erase_bios_memio(ips_ha_t * ha)
6298 {
6299 int timeout;
6300 uint8_t status;
6301
6302 METHOD_TRACE("ips_erase_bios_memio", 1);
6303
6304 status = 0;
6305
6306 /* Clear the status register */
6307 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6308 if (ha->revision_id == IPS_REVID_TROMBONE64)
6309 udelay(25); /* 25 us */
6310
6311 writeb(0x50, ha->mem_ptr + IPS_REG_FLDP);
6312 if (ha->revision_id == IPS_REVID_TROMBONE64)
6313 udelay(25); /* 25 us */
6314
6315 /* Erase Setup */
6316 writeb(0x20, ha->mem_ptr + IPS_REG_FLDP);
6317 if (ha->revision_id == IPS_REVID_TROMBONE64)
6318 udelay(25); /* 25 us */
6319
6320 /* Erase Confirm */
6321 writeb(0xD0, ha->mem_ptr + IPS_REG_FLDP);
6322 if (ha->revision_id == IPS_REVID_TROMBONE64)
6323 udelay(25); /* 25 us */
6324
6325 /* Erase Status */
6326 writeb(0x70, ha->mem_ptr + IPS_REG_FLDP);
6327 if (ha->revision_id == IPS_REVID_TROMBONE64)
6328 udelay(25); /* 25 us */
6329
6330 timeout = 80000; /* 80 seconds */
6331
6332 while (timeout > 0) {
6333 if (ha->revision_id == IPS_REVID_TROMBONE64) {
6334 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6335 udelay(25); /* 25 us */
6336 }
6337
6338 status = readb(ha->mem_ptr + IPS_REG_FLDP);
6339
6340 if (status & 0x80)
6341 break;
6342
6343 MDELAY(1);
6344 timeout--;
6345 }
6346
6347 /* check for timeout */
6348 if (timeout <= 0) {
6349 /* timeout */
6350
6351 /* try to suspend the erase */
6352 writeb(0xB0, ha->mem_ptr + IPS_REG_FLDP);
6353 if (ha->revision_id == IPS_REVID_TROMBONE64)
6354 udelay(25); /* 25 us */
6355
6356 /* wait for 10 seconds */
6357 timeout = 10000;
6358 while (timeout > 0) {
6359 if (ha->revision_id == IPS_REVID_TROMBONE64) {
6360 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6361 udelay(25); /* 25 us */
6362 }
6363
6364 status = readb(ha->mem_ptr + IPS_REG_FLDP);
6365
6366 if (status & 0xC0)
6367 break;
6368
6369 MDELAY(1);
6370 timeout--;
6371 }
6372
6373 return (1);
6374 }
6375
6376 /* check for valid VPP */
6377 if (status & 0x08)
6378 /* VPP failure */
6379 return (1);
6380
6381 /* check for successful flash */
6382 if (status & 0x30)
6383 /* sequence error */
6384 return (1);
6385
6386 /* Otherwise, we were successful */
6387 /* clear status */
6388 writeb(0x50, ha->mem_ptr + IPS_REG_FLDP);
6389 if (ha->revision_id == IPS_REVID_TROMBONE64)
6390 udelay(25); /* 25 us */
6391
6392 /* enable reads */
6393 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6394 if (ha->revision_id == IPS_REVID_TROMBONE64)
6395 udelay(25); /* 25 us */
6396
6397 return (0);
6398 }
6399
6400 /****************************************************************************/
6401 /* */
6402 /* Routine Name: ips_program_bios */
6403 /* */
6404 /* Routine Description: */
6405 /* Program the BIOS on the adapter */
6406 /* */
6407 /****************************************************************************/
6408 static int
6409 ips_program_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6410 uint32_t offset)
6411 {
6412 int i;
6413 int timeout;
6414 uint8_t status = 0;
6415
6416 METHOD_TRACE("ips_program_bios", 1);
6417
6418 status = 0;
6419
6420 for (i = 0; i < buffersize; i++) {
6421 /* write a byte */
6422 outl(cpu_to_le32(i + offset), ha->io_addr + IPS_REG_FLAP);
6423 if (ha->revision_id == IPS_REVID_TROMBONE64)
6424 udelay(25); /* 25 us */
6425
6426 outb(0x40, ha->io_addr + IPS_REG_FLDP);
6427 if (ha->revision_id == IPS_REVID_TROMBONE64)
6428 udelay(25); /* 25 us */
6429
6430 outb(buffer[i], ha->io_addr + IPS_REG_FLDP);
6431 if (ha->revision_id == IPS_REVID_TROMBONE64)
6432 udelay(25); /* 25 us */
6433
6434 /* wait up to one second */
6435 timeout = 1000;
6436 while (timeout > 0) {
6437 if (ha->revision_id == IPS_REVID_TROMBONE64) {
6438 outl(0, ha->io_addr + IPS_REG_FLAP);
6439 udelay(25); /* 25 us */
6440 }
6441
6442 status = inb(ha->io_addr + IPS_REG_FLDP);
6443
6444 if (status & 0x80)
6445 break;
6446
6447 MDELAY(1);
6448 timeout--;
6449 }
6450
6451 if (timeout == 0) {
6452 /* timeout error */
6453 outl(0, ha->io_addr + IPS_REG_FLAP);
6454 if (ha->revision_id == IPS_REVID_TROMBONE64)
6455 udelay(25); /* 25 us */
6456
6457 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6458 if (ha->revision_id == IPS_REVID_TROMBONE64)
6459 udelay(25); /* 25 us */
6460
6461 return (1);
6462 }
6463
6464 /* check the status */
6465 if (status & 0x18) {
6466 /* programming error */
6467 outl(0, ha->io_addr + IPS_REG_FLAP);
6468 if (ha->revision_id == IPS_REVID_TROMBONE64)
6469 udelay(25); /* 25 us */
6470
6471 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6472 if (ha->revision_id == IPS_REVID_TROMBONE64)
6473 udelay(25); /* 25 us */
6474
6475 return (1);
6476 }
6477 } /* end for */
6478
6479 /* Enable reading */
6480 outl(0, ha->io_addr + IPS_REG_FLAP);
6481 if (ha->revision_id == IPS_REVID_TROMBONE64)
6482 udelay(25); /* 25 us */
6483
6484 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6485 if (ha->revision_id == IPS_REVID_TROMBONE64)
6486 udelay(25); /* 25 us */
6487
6488 return (0);
6489 }
6490
6491 /****************************************************************************/
6492 /* */
6493 /* Routine Name: ips_program_bios_memio */
6494 /* */
6495 /* Routine Description: */
6496 /* Program the BIOS on the adapter */
6497 /* */
6498 /****************************************************************************/
6499 static int
6500 ips_program_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6501 uint32_t offset)
6502 {
6503 int i;
6504 int timeout;
6505 uint8_t status = 0;
6506
6507 METHOD_TRACE("ips_program_bios_memio", 1);
6508
6509 status = 0;
6510
6511 for (i = 0; i < buffersize; i++) {
6512 /* write a byte */
6513 writel(i + offset, ha->mem_ptr + IPS_REG_FLAP);
6514 if (ha->revision_id == IPS_REVID_TROMBONE64)
6515 udelay(25); /* 25 us */
6516
6517 writeb(0x40, ha->mem_ptr + IPS_REG_FLDP);
6518 if (ha->revision_id == IPS_REVID_TROMBONE64)
6519 udelay(25); /* 25 us */
6520
6521 writeb(buffer[i], ha->mem_ptr + IPS_REG_FLDP);
6522 if (ha->revision_id == IPS_REVID_TROMBONE64)
6523 udelay(25); /* 25 us */
6524
6525 /* wait up to one second */
6526 timeout = 1000;
6527 while (timeout > 0) {
6528 if (ha->revision_id == IPS_REVID_TROMBONE64) {
6529 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6530 udelay(25); /* 25 us */
6531 }
6532
6533 status = readb(ha->mem_ptr + IPS_REG_FLDP);
6534
6535 if (status & 0x80)
6536 break;
6537
6538 MDELAY(1);
6539 timeout--;
6540 }
6541
6542 if (timeout == 0) {
6543 /* timeout error */
6544 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6545 if (ha->revision_id == IPS_REVID_TROMBONE64)
6546 udelay(25); /* 25 us */
6547
6548 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6549 if (ha->revision_id == IPS_REVID_TROMBONE64)
6550 udelay(25); /* 25 us */
6551
6552 return (1);
6553 }
6554
6555 /* check the status */
6556 if (status & 0x18) {
6557 /* programming error */
6558 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6559 if (ha->revision_id == IPS_REVID_TROMBONE64)
6560 udelay(25); /* 25 us */
6561
6562 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6563 if (ha->revision_id == IPS_REVID_TROMBONE64)
6564 udelay(25); /* 25 us */
6565
6566 return (1);
6567 }
6568 } /* end for */
6569
6570 /* Enable reading */
6571 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6572 if (ha->revision_id == IPS_REVID_TROMBONE64)
6573 udelay(25); /* 25 us */
6574
6575 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6576 if (ha->revision_id == IPS_REVID_TROMBONE64)
6577 udelay(25); /* 25 us */
6578
6579 return (0);
6580 }
6581
6582 /****************************************************************************/
6583 /* */
6584 /* Routine Name: ips_verify_bios */
6585 /* */
6586 /* Routine Description: */
6587 /* Verify the BIOS on the adapter */
6588 /* */
6589 /****************************************************************************/
6590 static int
6591 ips_verify_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6592 uint32_t offset)
6593 {
6594 uint8_t checksum;
6595 int i;
6596
6597 METHOD_TRACE("ips_verify_bios", 1);
6598
6599 /* test 1st byte */
6600 outl(0, ha->io_addr + IPS_REG_FLAP);
6601 if (ha->revision_id == IPS_REVID_TROMBONE64)
6602 udelay(25); /* 25 us */
6603
6604 if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55)
6605 return (1);
6606
6607 outl(cpu_to_le32(1), ha->io_addr + IPS_REG_FLAP);
6608 if (ha->revision_id == IPS_REVID_TROMBONE64)
6609 udelay(25); /* 25 us */
6610 if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA)
6611 return (1);
6612
6613 checksum = 0xff;
6614 for (i = 2; i < buffersize; i++) {
6615
6616 outl(cpu_to_le32(i + offset), ha->io_addr + IPS_REG_FLAP);
6617 if (ha->revision_id == IPS_REVID_TROMBONE64)
6618 udelay(25); /* 25 us */
6619
6620 checksum = (uint8_t) checksum + inb(ha->io_addr + IPS_REG_FLDP);
6621 }
6622
6623 if (checksum != 0)
6624 /* failure */
6625 return (1);
6626 else
6627 /* success */
6628 return (0);
6629 }
6630
6631 /****************************************************************************/
6632 /* */
6633 /* Routine Name: ips_verify_bios_memio */
6634 /* */
6635 /* Routine Description: */
6636 /* Verify the BIOS on the adapter */
6637 /* */
6638 /****************************************************************************/
6639 static int
6640 ips_verify_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6641 uint32_t offset)
6642 {
6643 uint8_t checksum;
6644 int i;
6645
6646 METHOD_TRACE("ips_verify_bios_memio", 1);
6647
6648 /* test 1st byte */
6649 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6650 if (ha->revision_id == IPS_REVID_TROMBONE64)
6651 udelay(25); /* 25 us */
6652
6653 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0x55)
6654 return (1);
6655
6656 writel(1, ha->mem_ptr + IPS_REG_FLAP);
6657 if (ha->revision_id == IPS_REVID_TROMBONE64)
6658 udelay(25); /* 25 us */
6659 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA)
6660 return (1);
6661
6662 checksum = 0xff;
6663 for (i = 2; i < buffersize; i++) {
6664
6665 writel(i + offset, ha->mem_ptr + IPS_REG_FLAP);
6666 if (ha->revision_id == IPS_REVID_TROMBONE64)
6667 udelay(25); /* 25 us */
6668
6669 checksum =
6670 (uint8_t) checksum + readb(ha->mem_ptr + IPS_REG_FLDP);
6671 }
6672
6673 if (checksum != 0)
6674 /* failure */
6675 return (1);
6676 else
6677 /* success */
6678 return (0);
6679 }
6680
6681 /****************************************************************************/
6682 /* */
6683 /* Routine Name: ips_abort_init */
6684 /* */
6685 /* Routine Description: */
6686 /* cleanup routine for a failed adapter initialization */
6687 /****************************************************************************/
6688 static int
6689 ips_abort_init(ips_ha_t * ha, int index)
6690 {
6691 ha->active = 0;
6692 ips_free(ha);
6693 ips_ha[index] = NULL;
6694 ips_sh[index] = NULL;
6695 return -1;
6696 }
6697
6698 /****************************************************************************/
6699 /* */
6700 /* Routine Name: ips_shift_controllers */
6701 /* */
6702 /* Routine Description: */
6703 /* helper function for ordering adapters */
6704 /****************************************************************************/
6705 static void
6706 ips_shift_controllers(int lowindex, int highindex)
6707 {
6708 ips_ha_t *ha_sav = ips_ha[highindex];
6709 struct Scsi_Host *sh_sav = ips_sh[highindex];
6710 int i;
6711
6712 for (i = highindex; i > lowindex; i--) {
6713 ips_ha[i] = ips_ha[i - 1];
6714 ips_sh[i] = ips_sh[i - 1];
6715 ips_ha[i]->host_num = i;
6716 }
6717 ha_sav->host_num = lowindex;
6718 ips_ha[lowindex] = ha_sav;
6719 ips_sh[lowindex] = sh_sav;
6720 }
6721
6722 /****************************************************************************/
6723 /* */
6724 /* Routine Name: ips_order_controllers */
6725 /* */
6726 /* Routine Description: */
6727 /* place controllers is the "proper" boot order */
6728 /****************************************************************************/
6729 static void
6730 ips_order_controllers(void)
6731 {
6732 int i, j, tmp, position = 0;
6733 IPS_NVRAM_P5 *nvram;
6734 if (!ips_ha[0])
6735 return;
6736 nvram = ips_ha[0]->nvram;
6737
6738 if (nvram->adapter_order[0]) {
6739 for (i = 1; i <= nvram->adapter_order[0]; i++) {
6740 for (j = position; j < ips_num_controllers; j++) {
6741 switch (ips_ha[j]->ad_type) {
6742 case IPS_ADTYPE_SERVERAID6M:
6743 case IPS_ADTYPE_SERVERAID7M:
6744 if (nvram->adapter_order[i] == 'M') {
6745 ips_shift_controllers(position,
6746 j);
6747 position++;
6748 }
6749 break;
6750 case IPS_ADTYPE_SERVERAID4L:
6751 case IPS_ADTYPE_SERVERAID4M:
6752 case IPS_ADTYPE_SERVERAID4MX:
6753 case IPS_ADTYPE_SERVERAID4LX:
6754 if (nvram->adapter_order[i] == 'N') {
6755 ips_shift_controllers(position,
6756 j);
6757 position++;
6758 }
6759 break;
6760 case IPS_ADTYPE_SERVERAID6I:
6761 case IPS_ADTYPE_SERVERAID5I2:
6762 case IPS_ADTYPE_SERVERAID5I1:
6763 case IPS_ADTYPE_SERVERAID7k:
6764 if (nvram->adapter_order[i] == 'S') {
6765 ips_shift_controllers(position,
6766 j);
6767 position++;
6768 }
6769 break;
6770 case IPS_ADTYPE_SERVERAID:
6771 case IPS_ADTYPE_SERVERAID2:
6772 case IPS_ADTYPE_NAVAJO:
6773 case IPS_ADTYPE_KIOWA:
6774 case IPS_ADTYPE_SERVERAID3L:
6775 case IPS_ADTYPE_SERVERAID3:
6776 case IPS_ADTYPE_SERVERAID4H:
6777 if (nvram->adapter_order[i] == 'A') {
6778 ips_shift_controllers(position,
6779 j);
6780 position++;
6781 }
6782 break;
6783 default:
6784 break;
6785 }
6786 }
6787 }
6788 /* if adapter_order[0], then ordering is complete */
6789 return;
6790 }
6791 /* old bios, use older ordering */
6792 tmp = 0;
6793 for (i = position; i < ips_num_controllers; i++) {
6794 if (ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID5I2 ||
6795 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID5I1) {
6796 ips_shift_controllers(position, i);
6797 position++;
6798 tmp = 1;
6799 }
6800 }
6801 /* if there were no 5I cards, then don't do any extra ordering */
6802 if (!tmp)
6803 return;
6804 for (i = position; i < ips_num_controllers; i++) {
6805 if (ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4L ||
6806 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4M ||
6807 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4LX ||
6808 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4MX) {
6809 ips_shift_controllers(position, i);
6810 position++;
6811 }
6812 }
6813
6814 return;
6815 }
6816
6817 /****************************************************************************/
6818 /* */
6819 /* Routine Name: ips_register_scsi */
6820 /* */
6821 /* Routine Description: */
6822 /* perform any registration and setup with the scsi layer */
6823 /****************************************************************************/
6824 static int
6825 ips_register_scsi(int index)
6826 {
6827 struct Scsi_Host *sh;
6828 ips_ha_t *ha, *oldha = ips_ha[index];
6829 sh = scsi_host_alloc(&ips_driver_template, sizeof (ips_ha_t));
6830 if (!sh) {
6831 IPS_PRINTK(KERN_WARNING, oldha->pcidev,
6832 "Unable to register controller with SCSI subsystem\n");
6833 return -1;
6834 }
6835 ha = IPS_HA(sh);
6836 memcpy(ha, oldha, sizeof (ips_ha_t));
6837 free_irq(oldha->irq, oldha);
6838 /* Install the interrupt handler with the new ha */
6839 if (request_irq(ha->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) {
6840 IPS_PRINTK(KERN_WARNING, ha->pcidev,
6841 "Unable to install interrupt handler\n");
6842 scsi_host_put(sh);
6843 return -1;
6844 }
6845
6846 kfree(oldha);
6847 ips_sh[index] = sh;
6848 ips_ha[index] = ha;
6849
6850 /* Store away needed values for later use */
6851 sh->io_port = ha->io_addr;
6852 sh->n_io_port = ha->io_addr ? 255 : 0;
6853 sh->unique_id = (ha->io_addr) ? ha->io_addr : ha->mem_addr;
6854 sh->irq = ha->irq;
6855 sh->sg_tablesize = sh->hostt->sg_tablesize;
6856 sh->can_queue = sh->hostt->can_queue;
6857 sh->cmd_per_lun = sh->hostt->cmd_per_lun;
6858 sh->unchecked_isa_dma = sh->hostt->unchecked_isa_dma;
6859 sh->use_clustering = sh->hostt->use_clustering;
6860 sh->max_sectors = 128;
6861
6862 sh->max_id = ha->ntargets;
6863 sh->max_lun = ha->nlun;
6864 sh->max_channel = ha->nbus - 1;
6865 sh->can_queue = ha->max_cmds - 1;
6866
6867 scsi_add_host(sh, NULL);
6868 scsi_scan_host(sh);
6869
6870 return 0;
6871 }
6872
6873 /*---------------------------------------------------------------------------*/
6874 /* Routine Name: ips_remove_device */
6875 /* */
6876 /* Routine Description: */
6877 /* Remove one Adapter ( Hot Plugging ) */
6878 /*---------------------------------------------------------------------------*/
6879 static void __devexit
6880 ips_remove_device(struct pci_dev *pci_dev)
6881 {
6882 int i;
6883 struct Scsi_Host *sh;
6884 ips_ha_t *ha;
6885
6886 for (i = 0; i < IPS_MAX_ADAPTERS; i++) {
6887 ha = ips_ha[i];
6888 if (ha) {
6889 if ((pci_dev->bus->number == ha->pcidev->bus->number) &&
6890 (pci_dev->devfn == ha->pcidev->devfn)) {
6891 sh = ips_sh[i];
6892 ips_release(sh);
6893 }
6894 }
6895 }
6896 }
6897
6898 /****************************************************************************/
6899 /* */
6900 /* Routine Name: ips_module_init */
6901 /* */
6902 /* Routine Description: */
6903 /* function called on module load */
6904 /****************************************************************************/
6905 static int __init
6906 ips_module_init(void)
6907 {
6908 if (pci_register_driver(&ips_pci_driver) < 0)
6909 return -ENODEV;
6910 ips_driver_template.module = THIS_MODULE;
6911 ips_order_controllers();
6912 if (!ips_detect(&ips_driver_template)) {
6913 pci_unregister_driver(&ips_pci_driver);
6914 return -ENODEV;
6915 }
6916 register_reboot_notifier(&ips_notifier);
6917 return 0;
6918 }
6919
6920 /****************************************************************************/
6921 /* */
6922 /* Routine Name: ips_module_exit */
6923 /* */
6924 /* Routine Description: */
6925 /* function called on module unload */
6926 /****************************************************************************/
6927 static void __exit
6928 ips_module_exit(void)
6929 {
6930 pci_unregister_driver(&ips_pci_driver);
6931 unregister_reboot_notifier(&ips_notifier);
6932 }
6933
6934 module_init(ips_module_init);
6935 module_exit(ips_module_exit);
6936
6937 /*---------------------------------------------------------------------------*/
6938 /* Routine Name: ips_insert_device */
6939 /* */
6940 /* Routine Description: */
6941 /* Add One Adapter ( Hot Plug ) */
6942 /* */
6943 /* Return Value: */
6944 /* 0 if Successful, else non-zero */
6945 /*---------------------------------------------------------------------------*/
6946 static int __devinit
6947 ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent)
6948 {
6949 int index;
6950 int rc;
6951
6952 METHOD_TRACE("ips_insert_device", 1);
6953 if (pci_enable_device(pci_dev))
6954 return -1;
6955
6956 rc = ips_init_phase1(pci_dev, &index);
6957 if (rc == SUCCESS)
6958 rc = ips_init_phase2(index);
6959
6960 if (ips_hotplug)
6961 if (ips_register_scsi(index)) {
6962 ips_free(ips_ha[index]);
6963 rc = -1;
6964 }
6965
6966 if (rc == SUCCESS)
6967 ips_num_controllers++;
6968
6969 ips_next_controller = ips_num_controllers;
6970 return rc;
6971 }
6972
6973 /*---------------------------------------------------------------------------*/
6974 /* Routine Name: ips_init_phase1 */
6975 /* */
6976 /* Routine Description: */
6977 /* Adapter Initialization */
6978 /* */
6979 /* Return Value: */
6980 /* 0 if Successful, else non-zero */
6981 /*---------------------------------------------------------------------------*/
6982 static int
6983 ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr)
6984 {
6985 ips_ha_t *ha;
6986 uint32_t io_addr;
6987 uint32_t mem_addr;
6988 uint32_t io_len;
6989 uint32_t mem_len;
6990 uint8_t bus;
6991 uint8_t func;
6992 uint8_t irq;
6993 uint16_t subdevice_id;
6994 int j;
6995 int index;
6996 dma_addr_t dma_address;
6997 char __iomem *ioremap_ptr;
6998 char __iomem *mem_ptr;
6999 uint32_t IsDead;
7000
7001 METHOD_TRACE("ips_init_phase1", 1);
7002 index = IPS_MAX_ADAPTERS;
7003 for (j = 0; j < IPS_MAX_ADAPTERS; j++) {
7004 if (ips_ha[j] == 0) {
7005 index = j;
7006 break;
7007 }
7008 }
7009
7010 if (index >= IPS_MAX_ADAPTERS)
7011 return -1;
7012
7013 /* stuff that we get in dev */
7014 irq = pci_dev->irq;
7015 bus = pci_dev->bus->number;
7016 func = pci_dev->devfn;
7017
7018 /* Init MEM/IO addresses to 0 */
7019 mem_addr = 0;
7020 io_addr = 0;
7021 mem_len = 0;
7022 io_len = 0;
7023
7024 for (j = 0; j < 2; j++) {
7025 if (!pci_resource_start(pci_dev, j))
7026 break;
7027
7028 if (pci_resource_flags(pci_dev, j) & IORESOURCE_IO) {
7029 io_addr = pci_resource_start(pci_dev, j);
7030 io_len = pci_resource_len(pci_dev, j);
7031 } else {
7032 mem_addr = pci_resource_start(pci_dev, j);
7033 mem_len = pci_resource_len(pci_dev, j);
7034 }
7035 }
7036
7037 /* setup memory mapped area (if applicable) */
7038 if (mem_addr) {
7039 uint32_t base;
7040 uint32_t offs;
7041
7042 if (!request_mem_region(mem_addr, mem_len, "ips")) {
7043 IPS_PRINTK(KERN_WARNING, pci_dev,
7044 "Couldn't allocate IO Memory space %x len %d.\n",
7045 mem_addr, mem_len);
7046 return -1;
7047 }
7048
7049 base = mem_addr & PAGE_MASK;
7050 offs = mem_addr - base;
7051 ioremap_ptr = ioremap(base, PAGE_SIZE);
7052 mem_ptr = ioremap_ptr + offs;
7053 } else {
7054 ioremap_ptr = NULL;
7055 mem_ptr = NULL;
7056 }
7057
7058 /* setup I/O mapped area (if applicable) */
7059 if (io_addr) {
7060 if (!request_region(io_addr, io_len, "ips")) {
7061 IPS_PRINTK(KERN_WARNING, pci_dev,
7062 "Couldn't allocate IO space %x len %d.\n",
7063 io_addr, io_len);
7064 return -1;
7065 }
7066 }
7067
7068 subdevice_id = pci_dev->subsystem_device;
7069
7070 /* found a controller */
7071 ha = kzalloc(sizeof (ips_ha_t), GFP_KERNEL);
7072 if (ha == NULL) {
7073 IPS_PRINTK(KERN_WARNING, pci_dev,
7074 "Unable to allocate temporary ha struct\n");
7075 return -1;
7076 }
7077
7078
7079 ips_sh[index] = NULL;
7080 ips_ha[index] = ha;
7081 ha->active = 1;
7082
7083 /* Store info in HA structure */
7084 ha->irq = irq;
7085 ha->io_addr = io_addr;
7086 ha->io_len = io_len;
7087 ha->mem_addr = mem_addr;
7088 ha->mem_len = mem_len;
7089 ha->mem_ptr = mem_ptr;
7090 ha->ioremap_ptr = ioremap_ptr;
7091 ha->host_num = (uint32_t) index;
7092 ha->revision_id = pci_dev->revision;
7093 ha->slot_num = PCI_SLOT(pci_dev->devfn);
7094 ha->device_id = pci_dev->device;
7095 ha->subdevice_id = subdevice_id;
7096 ha->pcidev = pci_dev;
7097
7098 /*
7099 * Set the pci_dev's dma_mask. Not all adapters support 64bit
7100 * addressing so don't enable it if the adapter can't support
7101 * it! Also, don't use 64bit addressing if dma addresses
7102 * are guaranteed to be < 4G.
7103 */
7104 if (IPS_ENABLE_DMA64 && IPS_HAS_ENH_SGLIST(ha) &&
7105 !pci_set_dma_mask(ha->pcidev, DMA_64BIT_MASK)) {
7106 (ha)->flags |= IPS_HA_ENH_SG;
7107 } else {
7108 if (pci_set_dma_mask(ha->pcidev, DMA_32BIT_MASK) != 0) {
7109 printk(KERN_WARNING "Unable to set DMA Mask\n");
7110 return ips_abort_init(ha, index);
7111 }
7112 }
7113 if(ips_cd_boot && !ips_FlashData){
7114 ips_FlashData = pci_alloc_consistent(pci_dev, PAGE_SIZE << 7,
7115 &ips_flashbusaddr);
7116 }
7117
7118 ha->enq = pci_alloc_consistent(pci_dev, sizeof (IPS_ENQ),
7119 &ha->enq_busaddr);
7120 if (!ha->enq) {
7121 IPS_PRINTK(KERN_WARNING, pci_dev,
7122 "Unable to allocate host inquiry structure\n");
7123 return ips_abort_init(ha, index);
7124 }
7125
7126 ha->adapt = pci_alloc_consistent(pci_dev, sizeof (IPS_ADAPTER) +
7127 sizeof (IPS_IO_CMD), &dma_address);
7128 if (!ha->adapt) {
7129 IPS_PRINTK(KERN_WARNING, pci_dev,
7130 "Unable to allocate host adapt & dummy structures\n");
7131 return ips_abort_init(ha, index);
7132 }
7133 ha->adapt->hw_status_start = dma_address;
7134 ha->dummy = (void *) (ha->adapt + 1);
7135
7136
7137
7138 ha->logical_drive_info = pci_alloc_consistent(pci_dev, sizeof (IPS_LD_INFO), &dma_address);
7139 if (!ha->logical_drive_info) {
7140 IPS_PRINTK(KERN_WARNING, pci_dev,
7141 "Unable to allocate logical drive info structure\n");
7142 return ips_abort_init(ha, index);
7143 }
7144 ha->logical_drive_info_dma_addr = dma_address;
7145
7146
7147 ha->conf = kmalloc(sizeof (IPS_CONF), GFP_KERNEL);
7148
7149 if (!ha->conf) {
7150 IPS_PRINTK(KERN_WARNING, pci_dev,
7151 "Unable to allocate host conf structure\n");
7152 return ips_abort_init(ha, index);
7153 }
7154
7155 ha->nvram = kmalloc(sizeof (IPS_NVRAM_P5), GFP_KERNEL);
7156
7157 if (!ha->nvram) {
7158 IPS_PRINTK(KERN_WARNING, pci_dev,
7159 "Unable to allocate host NVRAM structure\n");
7160 return ips_abort_init(ha, index);
7161 }
7162
7163 ha->subsys = kmalloc(sizeof (IPS_SUBSYS), GFP_KERNEL);
7164
7165 if (!ha->subsys) {
7166 IPS_PRINTK(KERN_WARNING, pci_dev,
7167 "Unable to allocate host subsystem structure\n");
7168 return ips_abort_init(ha, index);
7169 }
7170
7171 /* the ioctl buffer is now used during adapter initialization, so its
7172 * successful allocation is now required */
7173 if (ips_ioctlsize < PAGE_SIZE)
7174 ips_ioctlsize = PAGE_SIZE;
7175
7176 ha->ioctl_data = pci_alloc_consistent(pci_dev, ips_ioctlsize,
7177 &ha->ioctl_busaddr);
7178 ha->ioctl_len = ips_ioctlsize;
7179 if (!ha->ioctl_data) {
7180 IPS_PRINTK(KERN_WARNING, pci_dev,
7181 "Unable to allocate IOCTL data\n");
7182 return ips_abort_init(ha, index);
7183 }
7184
7185 /*
7186 * Setup Functions
7187 */
7188 ips_setup_funclist(ha);
7189
7190 if ((IPS_IS_MORPHEUS(ha)) || (IPS_IS_MARCO(ha))) {
7191 /* If Morpheus appears dead, reset it */
7192 IsDead = readl(ha->mem_ptr + IPS_REG_I960_MSG1);
7193 if (IsDead == 0xDEADBEEF) {
7194 ips_reset_morpheus(ha);
7195 }
7196 }
7197
7198 /*
7199 * Initialize the card if it isn't already
7200 */
7201
7202 if (!(*ha->func.isinit) (ha)) {
7203 if (!(*ha->func.init) (ha)) {
7204 /*
7205 * Initialization failed
7206 */
7207 IPS_PRINTK(KERN_WARNING, pci_dev,
7208 "Unable to initialize controller\n");
7209 return ips_abort_init(ha, index);
7210 }
7211 }
7212
7213 *indexPtr = index;
7214 return SUCCESS;
7215 }
7216
7217 /*---------------------------------------------------------------------------*/
7218 /* Routine Name: ips_init_phase2 */
7219 /* */
7220 /* Routine Description: */
7221 /* Adapter Initialization Phase 2 */
7222 /* */
7223 /* Return Value: */
7224 /* 0 if Successful, else non-zero */
7225 /*---------------------------------------------------------------------------*/
7226 static int
7227 ips_init_phase2(int index)
7228 {
7229 ips_ha_t *ha;
7230
7231 ha = ips_ha[index];
7232
7233 METHOD_TRACE("ips_init_phase2", 1);
7234 if (!ha->active) {
7235 ips_ha[index] = NULL;
7236 return -1;
7237 }
7238
7239 /* Install the interrupt handler */
7240 if (request_irq(ha->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) {
7241 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7242 "Unable to install interrupt handler\n");
7243 return ips_abort_init(ha, index);
7244 }
7245
7246 /*
7247 * Allocate a temporary SCB for initialization
7248 */
7249 ha->max_cmds = 1;
7250 if (!ips_allocatescbs(ha)) {
7251 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7252 "Unable to allocate a CCB\n");
7253 free_irq(ha->irq, ha);
7254 return ips_abort_init(ha, index);
7255 }
7256
7257 if (!ips_hainit(ha)) {
7258 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7259 "Unable to initialize controller\n");
7260 free_irq(ha->irq, ha);
7261 return ips_abort_init(ha, index);
7262 }
7263 /* Free the temporary SCB */
7264 ips_deallocatescbs(ha, 1);
7265
7266 /* allocate CCBs */
7267 if (!ips_allocatescbs(ha)) {
7268 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7269 "Unable to allocate CCBs\n");
7270 free_irq(ha->irq, ha);
7271 return ips_abort_init(ha, index);
7272 }
7273
7274 return SUCCESS;
7275 }
7276
7277 MODULE_LICENSE("GPL");
7278 MODULE_DESCRIPTION("IBM ServeRAID Adapter Driver " IPS_VER_STRING);
7279 MODULE_VERSION(IPS_VER_STRING);
7280
7281
7282 /*
7283 * Overrides for Emacs so that we almost follow Linus's tabbing style.
7284 * Emacs will notice this stuff at the end of the file and automatically
7285 * adjust the settings for this buffer only. This must remain at the end
7286 * of the file.
7287 * ---------------------------------------------------------------------------
7288 * Local variables:
7289 * c-indent-level: 2
7290 * c-brace-imaginary-offset: 0
7291 * c-brace-offset: -2
7292 * c-argdecl-indent: 2
7293 * c-label-offset: -2
7294 * c-continued-statement-offset: 2
7295 * c-continued-brace-offset: 0
7296 * indent-tabs-mode: nil
7297 * tab-width: 8
7298 * End:
7299 */
USB Experimental Work