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dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32)
[deliverable/linux.git] / drivers / scsi / ips.c
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/string.h>
169 #include <linux/errno.h>
170 #include <linux/kernel.h>
171 #include <linux/ioport.h>
172 #include <linux/slab.h>
173 #include <linux/delay.h>
174 #include <linux/pci.h>
175 #include <linux/proc_fs.h>
176 #include <linux/reboot.h>
177 #include <linux/interrupt.h>
178
179 #include <linux/blkdev.h>
180 #include <linux/types.h>
181 #include <linux/dma-mapping.h>
182
183 #include <scsi/sg.h>
184 #include "scsi.h"
185 #include <scsi/scsi_host.h>
186
187 #include "ips.h"
188
189 #include <linux/module.h>
190
191 #include <linux/stat.h>
192
193 #include <linux/spinlock.h>
194 #include <linux/init.h>
195
196 #include <linux/smp.h>
197
198 #ifdef MODULE
199 static char *ips = NULL;
200 module_param(ips, charp, 0);
201 #endif
202
203 /*
204 * DRIVER_VER
205 */
206 #define IPS_VERSION_HIGH IPS_VER_MAJOR_STRING "." IPS_VER_MINOR_STRING
207 #define IPS_VERSION_LOW "." IPS_VER_BUILD_STRING " "
208
209 #if !defined(__i386__) && !defined(__ia64__) && !defined(__x86_64__)
210 #warning "This driver has only been tested on the x86/ia64/x86_64 platforms"
211 #endif
212
213 #define IPS_DMA_DIR(scb) ((!scb->scsi_cmd || ips_is_passthru(scb->scsi_cmd) || \
214 DMA_NONE == scb->scsi_cmd->sc_data_direction) ? \
215 PCI_DMA_BIDIRECTIONAL : \
216 scb->scsi_cmd->sc_data_direction)
217
218 #ifdef IPS_DEBUG
219 #define METHOD_TRACE(s, i) if (ips_debug >= (i+10)) printk(KERN_NOTICE s "\n");
220 #define DEBUG(i, s) if (ips_debug >= i) printk(KERN_NOTICE s "\n");
221 #define DEBUG_VAR(i, s, v...) if (ips_debug >= i) printk(KERN_NOTICE s "\n", v);
222 #else
223 #define METHOD_TRACE(s, i)
224 #define DEBUG(i, s)
225 #define DEBUG_VAR(i, s, v...)
226 #endif
227
228 /*
229 * Function prototypes
230 */
231 static int ips_detect(struct scsi_host_template *);
232 static int ips_release(struct Scsi_Host *);
233 static int ips_eh_abort(struct scsi_cmnd *);
234 static int ips_eh_reset(struct scsi_cmnd *);
235 static int ips_queue(struct scsi_cmnd *, void (*)(struct scsi_cmnd *));
236 static const char *ips_info(struct Scsi_Host *);
237 static irqreturn_t do_ipsintr(int, void *);
238 static int ips_hainit(ips_ha_t *);
239 static int ips_map_status(ips_ha_t *, ips_scb_t *, ips_stat_t *);
240 static int ips_send_wait(ips_ha_t *, ips_scb_t *, int, int);
241 static int ips_send_cmd(ips_ha_t *, ips_scb_t *);
242 static int ips_online(ips_ha_t *, ips_scb_t *);
243 static int ips_inquiry(ips_ha_t *, ips_scb_t *);
244 static int ips_rdcap(ips_ha_t *, ips_scb_t *);
245 static int ips_msense(ips_ha_t *, ips_scb_t *);
246 static int ips_reqsen(ips_ha_t *, ips_scb_t *);
247 static int ips_deallocatescbs(ips_ha_t *, int);
248 static int ips_allocatescbs(ips_ha_t *);
249 static int ips_reset_copperhead(ips_ha_t *);
250 static int ips_reset_copperhead_memio(ips_ha_t *);
251 static int ips_reset_morpheus(ips_ha_t *);
252 static int ips_issue_copperhead(ips_ha_t *, ips_scb_t *);
253 static int ips_issue_copperhead_memio(ips_ha_t *, ips_scb_t *);
254 static int ips_issue_i2o(ips_ha_t *, ips_scb_t *);
255 static int ips_issue_i2o_memio(ips_ha_t *, ips_scb_t *);
256 static int ips_isintr_copperhead(ips_ha_t *);
257 static int ips_isintr_copperhead_memio(ips_ha_t *);
258 static int ips_isintr_morpheus(ips_ha_t *);
259 static int ips_wait(ips_ha_t *, int, int);
260 static int ips_write_driver_status(ips_ha_t *, int);
261 static int ips_read_adapter_status(ips_ha_t *, int);
262 static int ips_read_subsystem_parameters(ips_ha_t *, int);
263 static int ips_read_config(ips_ha_t *, int);
264 static int ips_clear_adapter(ips_ha_t *, int);
265 static int ips_readwrite_page5(ips_ha_t *, int, int);
266 static int ips_init_copperhead(ips_ha_t *);
267 static int ips_init_copperhead_memio(ips_ha_t *);
268 static int ips_init_morpheus(ips_ha_t *);
269 static int ips_isinit_copperhead(ips_ha_t *);
270 static int ips_isinit_copperhead_memio(ips_ha_t *);
271 static int ips_isinit_morpheus(ips_ha_t *);
272 static int ips_erase_bios(ips_ha_t *);
273 static int ips_program_bios(ips_ha_t *, char *, uint32_t, uint32_t);
274 static int ips_verify_bios(ips_ha_t *, char *, uint32_t, uint32_t);
275 static int ips_erase_bios_memio(ips_ha_t *);
276 static int ips_program_bios_memio(ips_ha_t *, char *, uint32_t, uint32_t);
277 static int ips_verify_bios_memio(ips_ha_t *, char *, uint32_t, uint32_t);
278 static int ips_flash_copperhead(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
279 static int ips_flash_bios(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
280 static int ips_flash_firmware(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
281 static void ips_free_flash_copperhead(ips_ha_t * ha);
282 static void ips_get_bios_version(ips_ha_t *, int);
283 static void ips_identify_controller(ips_ha_t *);
284 static void ips_chkstatus(ips_ha_t *, IPS_STATUS *);
285 static void ips_enable_int_copperhead(ips_ha_t *);
286 static void ips_enable_int_copperhead_memio(ips_ha_t *);
287 static void ips_enable_int_morpheus(ips_ha_t *);
288 static int ips_intr_copperhead(ips_ha_t *);
289 static int ips_intr_morpheus(ips_ha_t *);
290 static void ips_next(ips_ha_t *, int);
291 static void ipsintr_blocking(ips_ha_t *, struct ips_scb *);
292 static void ipsintr_done(ips_ha_t *, struct ips_scb *);
293 static void ips_done(ips_ha_t *, ips_scb_t *);
294 static void ips_free(ips_ha_t *);
295 static void ips_init_scb(ips_ha_t *, ips_scb_t *);
296 static void ips_freescb(ips_ha_t *, ips_scb_t *);
297 static void ips_setup_funclist(ips_ha_t *);
298 static void ips_statinit(ips_ha_t *);
299 static void ips_statinit_memio(ips_ha_t *);
300 static void ips_fix_ffdc_time(ips_ha_t *, ips_scb_t *, time_t);
301 static void ips_ffdc_reset(ips_ha_t *, int);
302 static void ips_ffdc_time(ips_ha_t *);
303 static uint32_t ips_statupd_copperhead(ips_ha_t *);
304 static uint32_t ips_statupd_copperhead_memio(ips_ha_t *);
305 static uint32_t ips_statupd_morpheus(ips_ha_t *);
306 static ips_scb_t *ips_getscb(ips_ha_t *);
307 static void ips_putq_scb_head(ips_scb_queue_t *, ips_scb_t *);
308 static void ips_putq_wait_tail(ips_wait_queue_t *, struct scsi_cmnd *);
309 static void ips_putq_copp_tail(ips_copp_queue_t *,
310 ips_copp_wait_item_t *);
311 static ips_scb_t *ips_removeq_scb_head(ips_scb_queue_t *);
312 static ips_scb_t *ips_removeq_scb(ips_scb_queue_t *, ips_scb_t *);
313 static struct scsi_cmnd *ips_removeq_wait_head(ips_wait_queue_t *);
314 static struct scsi_cmnd *ips_removeq_wait(ips_wait_queue_t *,
315 struct scsi_cmnd *);
316 static ips_copp_wait_item_t *ips_removeq_copp(ips_copp_queue_t *,
317 ips_copp_wait_item_t *);
318 static ips_copp_wait_item_t *ips_removeq_copp_head(ips_copp_queue_t *);
319
320 static int ips_is_passthru(struct scsi_cmnd *);
321 static int ips_make_passthru(ips_ha_t *, struct scsi_cmnd *, ips_scb_t *, int);
322 static int ips_usrcmd(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
323 static void ips_cleanup_passthru(ips_ha_t *, ips_scb_t *);
324 static void ips_scmd_buf_write(struct scsi_cmnd * scmd, void *data,
325 unsigned int count);
326 static void ips_scmd_buf_read(struct scsi_cmnd * scmd, void *data,
327 unsigned int count);
328
329 static int ips_proc_info(struct Scsi_Host *, char *, char **, off_t, int, int);
330 static int ips_host_info(ips_ha_t *, char *, off_t, int);
331 static void copy_mem_info(IPS_INFOSTR *, char *, int);
332 static int copy_info(IPS_INFOSTR *, char *, ...);
333 static int ips_abort_init(ips_ha_t * ha, int index);
334 static int ips_init_phase2(int index);
335
336 static int ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr);
337 static int ips_register_scsi(int index);
338
339 static int ips_poll_for_flush_complete(ips_ha_t * ha);
340 static void ips_flush_and_reset(ips_ha_t *ha);
341
342 /*
343 * global variables
344 */
345 static const char ips_name[] = "ips";
346 static struct Scsi_Host *ips_sh[IPS_MAX_ADAPTERS]; /* Array of host controller structures */
347 static ips_ha_t *ips_ha[IPS_MAX_ADAPTERS]; /* Array of HA structures */
348 static unsigned int ips_next_controller;
349 static unsigned int ips_num_controllers;
350 static unsigned int ips_released_controllers;
351 static int ips_hotplug;
352 static int ips_cmd_timeout = 60;
353 static int ips_reset_timeout = 60 * 5;
354 static int ips_force_memio = 1; /* Always use Memory Mapped I/O */
355 static int ips_force_i2o = 1; /* Always use I2O command delivery */
356 static int ips_ioctlsize = IPS_IOCTL_SIZE; /* Size of the ioctl buffer */
357 static int ips_cd_boot; /* Booting from Manager CD */
358 static char *ips_FlashData = NULL; /* CD Boot - Flash Data Buffer */
359 static dma_addr_t ips_flashbusaddr;
360 static long ips_FlashDataInUse; /* CD Boot - Flash Data In Use Flag */
361 static uint32_t MaxLiteCmds = 32; /* Max Active Cmds for a Lite Adapter */
362 static struct scsi_host_template ips_driver_template = {
363 .detect = ips_detect,
364 .release = ips_release,
365 .info = ips_info,
366 .queuecommand = ips_queue,
367 .eh_abort_handler = ips_eh_abort,
368 .eh_host_reset_handler = ips_eh_reset,
369 .proc_name = "ips",
370 .proc_info = ips_proc_info,
371 .slave_configure = ips_slave_configure,
372 .bios_param = ips_biosparam,
373 .this_id = -1,
374 .sg_tablesize = IPS_MAX_SG,
375 .cmd_per_lun = 3,
376 .use_clustering = ENABLE_CLUSTERING,
377 };
378
379
380 /* This table describes all ServeRAID Adapters */
381 static struct pci_device_id ips_pci_table[] = {
382 { 0x1014, 0x002E, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
383 { 0x1014, 0x01BD, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
384 { 0x9005, 0x0250, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
385 { 0, }
386 };
387
388 MODULE_DEVICE_TABLE( pci, ips_pci_table );
389
390 static char ips_hot_plug_name[] = "ips";
391
392 static int __devinit ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent);
393 static void __devexit ips_remove_device(struct pci_dev *pci_dev);
394
395 static struct pci_driver ips_pci_driver = {
396 .name = ips_hot_plug_name,
397 .id_table = ips_pci_table,
398 .probe = ips_insert_device,
399 .remove = __devexit_p(ips_remove_device),
400 };
401
402
403 /*
404 * Necessary forward function protoypes
405 */
406 static int ips_halt(struct notifier_block *nb, ulong event, void *buf);
407
408 #define MAX_ADAPTER_NAME 15
409
410 static char ips_adapter_name[][30] = {
411 "ServeRAID",
412 "ServeRAID II",
413 "ServeRAID on motherboard",
414 "ServeRAID on motherboard",
415 "ServeRAID 3H",
416 "ServeRAID 3L",
417 "ServeRAID 4H",
418 "ServeRAID 4M",
419 "ServeRAID 4L",
420 "ServeRAID 4Mx",
421 "ServeRAID 4Lx",
422 "ServeRAID 5i",
423 "ServeRAID 5i",
424 "ServeRAID 6M",
425 "ServeRAID 6i",
426 "ServeRAID 7t",
427 "ServeRAID 7k",
428 "ServeRAID 7M"
429 };
430
431 static struct notifier_block ips_notifier = {
432 ips_halt, NULL, 0
433 };
434
435 /*
436 * Direction table
437 */
438 static char ips_command_direction[] = {
439 IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT,
440 IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK,
441 IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
442 IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_OUT,
443 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_OUT,
444 IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_OUT,
445 IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_IN,
446 IPS_DATA_UNK, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK,
447 IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_UNK,
448 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT,
449 IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_NONE,
450 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT,
451 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT,
452 IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_NONE,
453 IPS_DATA_UNK, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_UNK,
454 IPS_DATA_NONE, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK,
455 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
456 IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
457 IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
458 IPS_DATA_UNK, 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_NONE, IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_NONE,
473 IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_OUT,
474 IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_NONE,
475 IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_IN,
476 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
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_OUT,
486 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
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 };
491
492
493 /****************************************************************************/
494 /* */
495 /* Routine Name: ips_setup */
496 /* */
497 /* Routine Description: */
498 /* */
499 /* setup parameters to the driver */
500 /* */
501 /****************************************************************************/
502 static int
503 ips_setup(char *ips_str)
504 {
505
506 int i;
507 char *key;
508 char *value;
509 IPS_OPTION options[] = {
510 {"noi2o", &ips_force_i2o, 0},
511 {"nommap", &ips_force_memio, 0},
512 {"ioctlsize", &ips_ioctlsize, IPS_IOCTL_SIZE},
513 {"cdboot", &ips_cd_boot, 0},
514 {"maxcmds", &MaxLiteCmds, 32},
515 };
516
517 /* Don't use strtok() anymore ( if 2.4 Kernel or beyond ) */
518 /* Search for value */
519 while ((key = strsep(&ips_str, ",."))) {
520 if (!*key)
521 continue;
522 value = strchr(key, ':');
523 if (value)
524 *value++ = '\0';
525 /*
526 * We now have key/value pairs.
527 * Update the variables
528 */
529 for (i = 0; i < ARRAY_SIZE(options); i++) {
530 if (strnicmp
531 (key, options[i].option_name,
532 strlen(options[i].option_name)) == 0) {
533 if (value)
534 *options[i].option_flag =
535 simple_strtoul(value, NULL, 0);
536 else
537 *options[i].option_flag =
538 options[i].option_value;
539 break;
540 }
541 }
542 }
543
544 return (1);
545 }
546
547 __setup("ips=", ips_setup);
548
549 /****************************************************************************/
550 /* */
551 /* Routine Name: ips_detect */
552 /* */
553 /* Routine Description: */
554 /* */
555 /* Detect and initialize the driver */
556 /* */
557 /* NOTE: this routine is called under the io_request_lock spinlock */
558 /* */
559 /****************************************************************************/
560 static int
561 ips_detect(struct scsi_host_template * SHT)
562 {
563 int i;
564
565 METHOD_TRACE("ips_detect", 1);
566
567 #ifdef MODULE
568 if (ips)
569 ips_setup(ips);
570 #endif
571
572 for (i = 0; i < ips_num_controllers; i++) {
573 if (ips_register_scsi(i))
574 ips_free(ips_ha[i]);
575 ips_released_controllers++;
576 }
577 ips_hotplug = 1;
578 return (ips_num_controllers);
579 }
580
581 /****************************************************************************/
582 /* configure the function pointers to use the functions that will work */
583 /* with the found version of the adapter */
584 /****************************************************************************/
585 static void
586 ips_setup_funclist(ips_ha_t * ha)
587 {
588
589 /*
590 * Setup Functions
591 */
592 if (IPS_IS_MORPHEUS(ha) || IPS_IS_MARCO(ha)) {
593 /* morpheus / marco / sebring */
594 ha->func.isintr = ips_isintr_morpheus;
595 ha->func.isinit = ips_isinit_morpheus;
596 ha->func.issue = ips_issue_i2o_memio;
597 ha->func.init = ips_init_morpheus;
598 ha->func.statupd = ips_statupd_morpheus;
599 ha->func.reset = ips_reset_morpheus;
600 ha->func.intr = ips_intr_morpheus;
601 ha->func.enableint = ips_enable_int_morpheus;
602 } else if (IPS_USE_MEMIO(ha)) {
603 /* copperhead w/MEMIO */
604 ha->func.isintr = ips_isintr_copperhead_memio;
605 ha->func.isinit = ips_isinit_copperhead_memio;
606 ha->func.init = ips_init_copperhead_memio;
607 ha->func.statupd = ips_statupd_copperhead_memio;
608 ha->func.statinit = ips_statinit_memio;
609 ha->func.reset = ips_reset_copperhead_memio;
610 ha->func.intr = ips_intr_copperhead;
611 ha->func.erasebios = ips_erase_bios_memio;
612 ha->func.programbios = ips_program_bios_memio;
613 ha->func.verifybios = ips_verify_bios_memio;
614 ha->func.enableint = ips_enable_int_copperhead_memio;
615 if (IPS_USE_I2O_DELIVER(ha))
616 ha->func.issue = ips_issue_i2o_memio;
617 else
618 ha->func.issue = ips_issue_copperhead_memio;
619 } else {
620 /* copperhead */
621 ha->func.isintr = ips_isintr_copperhead;
622 ha->func.isinit = ips_isinit_copperhead;
623 ha->func.init = ips_init_copperhead;
624 ha->func.statupd = ips_statupd_copperhead;
625 ha->func.statinit = ips_statinit;
626 ha->func.reset = ips_reset_copperhead;
627 ha->func.intr = ips_intr_copperhead;
628 ha->func.erasebios = ips_erase_bios;
629 ha->func.programbios = ips_program_bios;
630 ha->func.verifybios = ips_verify_bios;
631 ha->func.enableint = ips_enable_int_copperhead;
632
633 if (IPS_USE_I2O_DELIVER(ha))
634 ha->func.issue = ips_issue_i2o;
635 else
636 ha->func.issue = ips_issue_copperhead;
637 }
638 }
639
640 /****************************************************************************/
641 /* */
642 /* Routine Name: ips_release */
643 /* */
644 /* Routine Description: */
645 /* */
646 /* Remove a driver */
647 /* */
648 /****************************************************************************/
649 static int
650 ips_release(struct Scsi_Host *sh)
651 {
652 ips_scb_t *scb;
653 ips_ha_t *ha;
654 int i;
655
656 METHOD_TRACE("ips_release", 1);
657
658 scsi_remove_host(sh);
659
660 for (i = 0; i < IPS_MAX_ADAPTERS && ips_sh[i] != sh; i++) ;
661
662 if (i == IPS_MAX_ADAPTERS) {
663 printk(KERN_WARNING
664 "(%s) release, invalid Scsi_Host pointer.\n", ips_name);
665 BUG();
666 return (FALSE);
667 }
668
669 ha = IPS_HA(sh);
670
671 if (!ha)
672 return (FALSE);
673
674 /* flush the cache on the controller */
675 scb = &ha->scbs[ha->max_cmds - 1];
676
677 ips_init_scb(ha, scb);
678
679 scb->timeout = ips_cmd_timeout;
680 scb->cdb[0] = IPS_CMD_FLUSH;
681
682 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
683 scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb);
684 scb->cmd.flush_cache.state = IPS_NORM_STATE;
685 scb->cmd.flush_cache.reserved = 0;
686 scb->cmd.flush_cache.reserved2 = 0;
687 scb->cmd.flush_cache.reserved3 = 0;
688 scb->cmd.flush_cache.reserved4 = 0;
689
690 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Cache.\n");
691
692 /* send command */
693 if (ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_ON) == IPS_FAILURE)
694 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Incomplete Flush.\n");
695
696 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Complete.\n");
697
698 ips_sh[i] = NULL;
699 ips_ha[i] = NULL;
700
701 /* free extra memory */
702 ips_free(ha);
703
704 /* free IRQ */
705 free_irq(ha->pcidev->irq, ha);
706
707 scsi_host_put(sh);
708
709 ips_released_controllers++;
710
711 return (FALSE);
712 }
713
714 /****************************************************************************/
715 /* */
716 /* Routine Name: ips_halt */
717 /* */
718 /* Routine Description: */
719 /* */
720 /* Perform cleanup when the system reboots */
721 /* */
722 /****************************************************************************/
723 static int
724 ips_halt(struct notifier_block *nb, ulong event, void *buf)
725 {
726 ips_scb_t *scb;
727 ips_ha_t *ha;
728 int i;
729
730 if ((event != SYS_RESTART) && (event != SYS_HALT) &&
731 (event != SYS_POWER_OFF))
732 return (NOTIFY_DONE);
733
734 for (i = 0; i < ips_next_controller; i++) {
735 ha = (ips_ha_t *) ips_ha[i];
736
737 if (!ha)
738 continue;
739
740 if (!ha->active)
741 continue;
742
743 /* flush the cache on the controller */
744 scb = &ha->scbs[ha->max_cmds - 1];
745
746 ips_init_scb(ha, scb);
747
748 scb->timeout = ips_cmd_timeout;
749 scb->cdb[0] = IPS_CMD_FLUSH;
750
751 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
752 scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb);
753 scb->cmd.flush_cache.state = IPS_NORM_STATE;
754 scb->cmd.flush_cache.reserved = 0;
755 scb->cmd.flush_cache.reserved2 = 0;
756 scb->cmd.flush_cache.reserved3 = 0;
757 scb->cmd.flush_cache.reserved4 = 0;
758
759 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Cache.\n");
760
761 /* send command */
762 if (ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_ON) ==
763 IPS_FAILURE)
764 IPS_PRINTK(KERN_WARNING, ha->pcidev,
765 "Incomplete Flush.\n");
766 else
767 IPS_PRINTK(KERN_WARNING, ha->pcidev,
768 "Flushing Complete.\n");
769 }
770
771 return (NOTIFY_OK);
772 }
773
774 /****************************************************************************/
775 /* */
776 /* Routine Name: ips_eh_abort */
777 /* */
778 /* Routine Description: */
779 /* */
780 /* Abort a command (using the new error code stuff) */
781 /* Note: this routine is called under the io_request_lock */
782 /****************************************************************************/
783 int ips_eh_abort(struct scsi_cmnd *SC)
784 {
785 ips_ha_t *ha;
786 ips_copp_wait_item_t *item;
787 int ret;
788 struct Scsi_Host *host;
789
790 METHOD_TRACE("ips_eh_abort", 1);
791
792 if (!SC)
793 return (FAILED);
794
795 host = SC->device->host;
796 ha = (ips_ha_t *) SC->device->host->hostdata;
797
798 if (!ha)
799 return (FAILED);
800
801 if (!ha->active)
802 return (FAILED);
803
804 spin_lock(host->host_lock);
805
806 /* See if the command is on the copp queue */
807 item = ha->copp_waitlist.head;
808 while ((item) && (item->scsi_cmd != SC))
809 item = item->next;
810
811 if (item) {
812 /* Found it */
813 ips_removeq_copp(&ha->copp_waitlist, item);
814 ret = (SUCCESS);
815
816 /* See if the command is on the wait queue */
817 } else if (ips_removeq_wait(&ha->scb_waitlist, SC)) {
818 /* command not sent yet */
819 ret = (SUCCESS);
820 } else {
821 /* command must have already been sent */
822 ret = (FAILED);
823 }
824
825 spin_unlock(host->host_lock);
826 return ret;
827 }
828
829 /****************************************************************************/
830 /* */
831 /* Routine Name: ips_eh_reset */
832 /* */
833 /* Routine Description: */
834 /* */
835 /* Reset the controller (with new eh error code) */
836 /* */
837 /* NOTE: this routine is called under the io_request_lock spinlock */
838 /* */
839 /****************************************************************************/
840 static int __ips_eh_reset(struct scsi_cmnd *SC)
841 {
842 int ret;
843 int i;
844 ips_ha_t *ha;
845 ips_scb_t *scb;
846 ips_copp_wait_item_t *item;
847
848 METHOD_TRACE("ips_eh_reset", 1);
849
850 #ifdef NO_IPS_RESET
851 return (FAILED);
852 #else
853
854 if (!SC) {
855 DEBUG(1, "Reset called with NULL scsi command");
856
857 return (FAILED);
858 }
859
860 ha = (ips_ha_t *) SC->device->host->hostdata;
861
862 if (!ha) {
863 DEBUG(1, "Reset called with NULL ha struct");
864
865 return (FAILED);
866 }
867
868 if (!ha->active)
869 return (FAILED);
870
871 /* See if the command is on the copp queue */
872 item = ha->copp_waitlist.head;
873 while ((item) && (item->scsi_cmd != SC))
874 item = item->next;
875
876 if (item) {
877 /* Found it */
878 ips_removeq_copp(&ha->copp_waitlist, item);
879 return (SUCCESS);
880 }
881
882 /* See if the command is on the wait queue */
883 if (ips_removeq_wait(&ha->scb_waitlist, SC)) {
884 /* command not sent yet */
885 return (SUCCESS);
886 }
887
888 /* An explanation for the casual observer: */
889 /* Part of the function of a RAID controller is automatic error */
890 /* detection and recovery. As such, the only problem that physically */
891 /* resetting an adapter will ever fix is when, for some reason, */
892 /* the driver is not successfully communicating with the adapter. */
893 /* Therefore, we will attempt to flush this adapter. If that succeeds, */
894 /* then there's no real purpose in a physical reset. This will complete */
895 /* much faster and avoids any problems that might be caused by a */
896 /* physical reset ( such as having to fail all the outstanding I/O's ). */
897
898 if (ha->ioctl_reset == 0) { /* IF Not an IOCTL Requested Reset */
899 scb = &ha->scbs[ha->max_cmds - 1];
900
901 ips_init_scb(ha, scb);
902
903 scb->timeout = ips_cmd_timeout;
904 scb->cdb[0] = IPS_CMD_FLUSH;
905
906 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
907 scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb);
908 scb->cmd.flush_cache.state = IPS_NORM_STATE;
909 scb->cmd.flush_cache.reserved = 0;
910 scb->cmd.flush_cache.reserved2 = 0;
911 scb->cmd.flush_cache.reserved3 = 0;
912 scb->cmd.flush_cache.reserved4 = 0;
913
914 /* Attempt the flush command */
915 ret = ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_IORL);
916 if (ret == IPS_SUCCESS) {
917 IPS_PRINTK(KERN_NOTICE, ha->pcidev,
918 "Reset Request - Flushed Cache\n");
919 return (SUCCESS);
920 }
921 }
922
923 /* Either we can't communicate with the adapter or it's an IOCTL request */
924 /* from a utility. A physical reset is needed at this point. */
925
926 ha->ioctl_reset = 0; /* Reset the IOCTL Requested Reset Flag */
927
928 /*
929 * command must have already been sent
930 * reset the controller
931 */
932 IPS_PRINTK(KERN_NOTICE, ha->pcidev, "Resetting controller.\n");
933 ret = (*ha->func.reset) (ha);
934
935 if (!ret) {
936 struct scsi_cmnd *scsi_cmd;
937
938 IPS_PRINTK(KERN_NOTICE, ha->pcidev,
939 "Controller reset failed - controller now offline.\n");
940
941 /* Now fail all of the active commands */
942 DEBUG_VAR(1, "(%s%d) Failing active commands",
943 ips_name, ha->host_num);
944
945 while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) {
946 scb->scsi_cmd->result = DID_ERROR << 16;
947 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
948 ips_freescb(ha, scb);
949 }
950
951 /* Now fail all of the pending commands */
952 DEBUG_VAR(1, "(%s%d) Failing pending commands",
953 ips_name, ha->host_num);
954
955 while ((scsi_cmd = ips_removeq_wait_head(&ha->scb_waitlist))) {
956 scsi_cmd->result = DID_ERROR;
957 scsi_cmd->scsi_done(scsi_cmd);
958 }
959
960 ha->active = FALSE;
961 return (FAILED);
962 }
963
964 if (!ips_clear_adapter(ha, IPS_INTR_IORL)) {
965 struct scsi_cmnd *scsi_cmd;
966
967 IPS_PRINTK(KERN_NOTICE, ha->pcidev,
968 "Controller reset failed - controller now offline.\n");
969
970 /* Now fail all of the active commands */
971 DEBUG_VAR(1, "(%s%d) Failing active commands",
972 ips_name, ha->host_num);
973
974 while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) {
975 scb->scsi_cmd->result = DID_ERROR << 16;
976 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
977 ips_freescb(ha, scb);
978 }
979
980 /* Now fail all of the pending commands */
981 DEBUG_VAR(1, "(%s%d) Failing pending commands",
982 ips_name, ha->host_num);
983
984 while ((scsi_cmd = ips_removeq_wait_head(&ha->scb_waitlist))) {
985 scsi_cmd->result = DID_ERROR << 16;
986 scsi_cmd->scsi_done(scsi_cmd);
987 }
988
989 ha->active = FALSE;
990 return (FAILED);
991 }
992
993 /* FFDC */
994 if (le32_to_cpu(ha->subsys->param[3]) & 0x300000) {
995 struct timeval tv;
996
997 do_gettimeofday(&tv);
998 ha->last_ffdc = tv.tv_sec;
999 ha->reset_count++;
1000 ips_ffdc_reset(ha, IPS_INTR_IORL);
1001 }
1002
1003 /* Now fail all of the active commands */
1004 DEBUG_VAR(1, "(%s%d) Failing active commands", ips_name, ha->host_num);
1005
1006 while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) {
1007 scb->scsi_cmd->result = DID_RESET << 16;
1008 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
1009 ips_freescb(ha, scb);
1010 }
1011
1012 /* Reset DCDB active command bits */
1013 for (i = 1; i < ha->nbus; i++)
1014 ha->dcdb_active[i - 1] = 0;
1015
1016 /* Reset the number of active IOCTLs */
1017 ha->num_ioctl = 0;
1018
1019 ips_next(ha, IPS_INTR_IORL);
1020
1021 return (SUCCESS);
1022 #endif /* NO_IPS_RESET */
1023
1024 }
1025
1026 static int ips_eh_reset(struct scsi_cmnd *SC)
1027 {
1028 int rc;
1029
1030 spin_lock_irq(SC->device->host->host_lock);
1031 rc = __ips_eh_reset(SC);
1032 spin_unlock_irq(SC->device->host->host_lock);
1033
1034 return rc;
1035 }
1036
1037 /****************************************************************************/
1038 /* */
1039 /* Routine Name: ips_queue */
1040 /* */
1041 /* Routine Description: */
1042 /* */
1043 /* Send a command to the controller */
1044 /* */
1045 /* NOTE: */
1046 /* Linux obtains io_request_lock before calling this function */
1047 /* */
1048 /****************************************************************************/
1049 static int ips_queue(struct scsi_cmnd *SC, void (*done) (struct scsi_cmnd *))
1050 {
1051 ips_ha_t *ha;
1052 ips_passthru_t *pt;
1053
1054 METHOD_TRACE("ips_queue", 1);
1055
1056 ha = (ips_ha_t *) SC->device->host->hostdata;
1057
1058 if (!ha)
1059 return (1);
1060
1061 if (!ha->active)
1062 return (DID_ERROR);
1063
1064 if (ips_is_passthru(SC)) {
1065 if (ha->copp_waitlist.count == IPS_MAX_IOCTL_QUEUE) {
1066 SC->result = DID_BUS_BUSY << 16;
1067 done(SC);
1068
1069 return (0);
1070 }
1071 } else if (ha->scb_waitlist.count == IPS_MAX_QUEUE) {
1072 SC->result = DID_BUS_BUSY << 16;
1073 done(SC);
1074
1075 return (0);
1076 }
1077
1078 SC->scsi_done = done;
1079
1080 DEBUG_VAR(2, "(%s%d): ips_queue: cmd 0x%X (%d %d %d)",
1081 ips_name,
1082 ha->host_num,
1083 SC->cmnd[0],
1084 SC->device->channel, SC->device->id, SC->device->lun);
1085
1086 /* Check for command to initiator IDs */
1087 if ((scmd_channel(SC) > 0)
1088 && (scmd_id(SC) == ha->ha_id[scmd_channel(SC)])) {
1089 SC->result = DID_NO_CONNECT << 16;
1090 done(SC);
1091
1092 return (0);
1093 }
1094
1095 if (ips_is_passthru(SC)) {
1096
1097 ips_copp_wait_item_t *scratch;
1098
1099 /* A Reset IOCTL is only sent by the boot CD in extreme cases. */
1100 /* There can never be any system activity ( network or disk ), but check */
1101 /* anyway just as a good practice. */
1102 pt = (ips_passthru_t *) scsi_sglist(SC);
1103 if ((pt->CoppCP.cmd.reset.op_code == IPS_CMD_RESET_CHANNEL) &&
1104 (pt->CoppCP.cmd.reset.adapter_flag == 1)) {
1105 if (ha->scb_activelist.count != 0) {
1106 SC->result = DID_BUS_BUSY << 16;
1107 done(SC);
1108 return (0);
1109 }
1110 ha->ioctl_reset = 1; /* This reset request is from an IOCTL */
1111 __ips_eh_reset(SC);
1112 SC->result = DID_OK << 16;
1113 SC->scsi_done(SC);
1114 return (0);
1115 }
1116
1117 /* allocate space for the scribble */
1118 scratch = kmalloc(sizeof (ips_copp_wait_item_t), GFP_ATOMIC);
1119
1120 if (!scratch) {
1121 SC->result = DID_ERROR << 16;
1122 done(SC);
1123
1124 return (0);
1125 }
1126
1127 scratch->scsi_cmd = SC;
1128 scratch->next = NULL;
1129
1130 ips_putq_copp_tail(&ha->copp_waitlist, scratch);
1131 } else {
1132 ips_putq_wait_tail(&ha->scb_waitlist, SC);
1133 }
1134
1135 ips_next(ha, IPS_INTR_IORL);
1136
1137 return (0);
1138 }
1139
1140 /****************************************************************************/
1141 /* */
1142 /* Routine Name: ips_biosparam */
1143 /* */
1144 /* Routine Description: */
1145 /* */
1146 /* Set bios geometry for the controller */
1147 /* */
1148 /****************************************************************************/
1149 static int ips_biosparam(struct scsi_device *sdev, struct block_device *bdev,
1150 sector_t capacity, int geom[])
1151 {
1152 ips_ha_t *ha = (ips_ha_t *) sdev->host->hostdata;
1153 int heads;
1154 int sectors;
1155 int cylinders;
1156
1157 METHOD_TRACE("ips_biosparam", 1);
1158
1159 if (!ha)
1160 /* ?!?! host adater info invalid */
1161 return (0);
1162
1163 if (!ha->active)
1164 return (0);
1165
1166 if (!ips_read_adapter_status(ha, IPS_INTR_ON))
1167 /* ?!?! Enquiry command failed */
1168 return (0);
1169
1170 if ((capacity > 0x400000) && ((ha->enq->ucMiscFlag & 0x8) == 0)) {
1171 heads = IPS_NORM_HEADS;
1172 sectors = IPS_NORM_SECTORS;
1173 } else {
1174 heads = IPS_COMP_HEADS;
1175 sectors = IPS_COMP_SECTORS;
1176 }
1177
1178 cylinders = (unsigned long) capacity / (heads * sectors);
1179
1180 DEBUG_VAR(2, "Geometry: heads: %d, sectors: %d, cylinders: %d",
1181 heads, sectors, cylinders);
1182
1183 geom[0] = heads;
1184 geom[1] = sectors;
1185 geom[2] = cylinders;
1186
1187 return (0);
1188 }
1189
1190 /****************************************************************************/
1191 /* */
1192 /* Routine Name: ips_slave_configure */
1193 /* */
1194 /* Routine Description: */
1195 /* */
1196 /* Set queue depths on devices once scan is complete */
1197 /* */
1198 /****************************************************************************/
1199 static int
1200 ips_slave_configure(struct scsi_device * SDptr)
1201 {
1202 ips_ha_t *ha;
1203 int min;
1204
1205 ha = IPS_HA(SDptr->host);
1206 if (SDptr->tagged_supported && SDptr->type == TYPE_DISK) {
1207 min = ha->max_cmds / 2;
1208 if (ha->enq->ucLogDriveCount <= 2)
1209 min = ha->max_cmds - 1;
1210 scsi_adjust_queue_depth(SDptr, MSG_ORDERED_TAG, min);
1211 }
1212
1213 SDptr->skip_ms_page_8 = 1;
1214 SDptr->skip_ms_page_3f = 1;
1215 return 0;
1216 }
1217
1218 /****************************************************************************/
1219 /* */
1220 /* Routine Name: do_ipsintr */
1221 /* */
1222 /* Routine Description: */
1223 /* */
1224 /* Wrapper for the interrupt handler */
1225 /* */
1226 /****************************************************************************/
1227 static irqreturn_t
1228 do_ipsintr(int irq, void *dev_id)
1229 {
1230 ips_ha_t *ha;
1231 struct Scsi_Host *host;
1232 int irqstatus;
1233
1234 METHOD_TRACE("do_ipsintr", 2);
1235
1236 ha = (ips_ha_t *) dev_id;
1237 if (!ha)
1238 return IRQ_NONE;
1239 host = ips_sh[ha->host_num];
1240 /* interrupt during initialization */
1241 if (!host) {
1242 (*ha->func.intr) (ha);
1243 return IRQ_HANDLED;
1244 }
1245
1246 spin_lock(host->host_lock);
1247
1248 if (!ha->active) {
1249 spin_unlock(host->host_lock);
1250 return IRQ_HANDLED;
1251 }
1252
1253 irqstatus = (*ha->func.intr) (ha);
1254
1255 spin_unlock(host->host_lock);
1256
1257 /* start the next command */
1258 ips_next(ha, IPS_INTR_ON);
1259 return IRQ_RETVAL(irqstatus);
1260 }
1261
1262 /****************************************************************************/
1263 /* */
1264 /* Routine Name: ips_intr_copperhead */
1265 /* */
1266 /* Routine Description: */
1267 /* */
1268 /* Polling interrupt handler */
1269 /* */
1270 /* ASSUMES interrupts are disabled */
1271 /* */
1272 /****************************************************************************/
1273 int
1274 ips_intr_copperhead(ips_ha_t * ha)
1275 {
1276 ips_stat_t *sp;
1277 ips_scb_t *scb;
1278 IPS_STATUS cstatus;
1279 int intrstatus;
1280
1281 METHOD_TRACE("ips_intr", 2);
1282
1283 if (!ha)
1284 return 0;
1285
1286 if (!ha->active)
1287 return 0;
1288
1289 intrstatus = (*ha->func.isintr) (ha);
1290
1291 if (!intrstatus) {
1292 /*
1293 * Unexpected/Shared interrupt
1294 */
1295
1296 return 0;
1297 }
1298
1299 while (TRUE) {
1300 sp = &ha->sp;
1301
1302 intrstatus = (*ha->func.isintr) (ha);
1303
1304 if (!intrstatus)
1305 break;
1306 else
1307 cstatus.value = (*ha->func.statupd) (ha);
1308
1309 if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) {
1310 /* Spurious Interrupt ? */
1311 continue;
1312 }
1313
1314 ips_chkstatus(ha, &cstatus);
1315 scb = (ips_scb_t *) sp->scb_addr;
1316
1317 /*
1318 * use the callback function to finish things up
1319 * NOTE: interrupts are OFF for this
1320 */
1321 (*scb->callback) (ha, scb);
1322 } /* end while */
1323 return 1;
1324 }
1325
1326 /****************************************************************************/
1327 /* */
1328 /* Routine Name: ips_intr_morpheus */
1329 /* */
1330 /* Routine Description: */
1331 /* */
1332 /* Polling interrupt handler */
1333 /* */
1334 /* ASSUMES interrupts are disabled */
1335 /* */
1336 /****************************************************************************/
1337 int
1338 ips_intr_morpheus(ips_ha_t * ha)
1339 {
1340 ips_stat_t *sp;
1341 ips_scb_t *scb;
1342 IPS_STATUS cstatus;
1343 int intrstatus;
1344
1345 METHOD_TRACE("ips_intr_morpheus", 2);
1346
1347 if (!ha)
1348 return 0;
1349
1350 if (!ha->active)
1351 return 0;
1352
1353 intrstatus = (*ha->func.isintr) (ha);
1354
1355 if (!intrstatus) {
1356 /*
1357 * Unexpected/Shared interrupt
1358 */
1359
1360 return 0;
1361 }
1362
1363 while (TRUE) {
1364 sp = &ha->sp;
1365
1366 intrstatus = (*ha->func.isintr) (ha);
1367
1368 if (!intrstatus)
1369 break;
1370 else
1371 cstatus.value = (*ha->func.statupd) (ha);
1372
1373 if (cstatus.value == 0xffffffff)
1374 /* No more to process */
1375 break;
1376
1377 if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) {
1378 IPS_PRINTK(KERN_WARNING, ha->pcidev,
1379 "Spurious interrupt; no ccb.\n");
1380
1381 continue;
1382 }
1383
1384 ips_chkstatus(ha, &cstatus);
1385 scb = (ips_scb_t *) sp->scb_addr;
1386
1387 /*
1388 * use the callback function to finish things up
1389 * NOTE: interrupts are OFF for this
1390 */
1391 (*scb->callback) (ha, scb);
1392 } /* end while */
1393 return 1;
1394 }
1395
1396 /****************************************************************************/
1397 /* */
1398 /* Routine Name: ips_info */
1399 /* */
1400 /* Routine Description: */
1401 /* */
1402 /* Return info about the driver */
1403 /* */
1404 /****************************************************************************/
1405 static const char *
1406 ips_info(struct Scsi_Host *SH)
1407 {
1408 static char buffer[256];
1409 char *bp;
1410 ips_ha_t *ha;
1411
1412 METHOD_TRACE("ips_info", 1);
1413
1414 ha = IPS_HA(SH);
1415
1416 if (!ha)
1417 return (NULL);
1418
1419 bp = &buffer[0];
1420 memset(bp, 0, sizeof (buffer));
1421
1422 sprintf(bp, "%s%s%s Build %d", "IBM PCI ServeRAID ",
1423 IPS_VERSION_HIGH, IPS_VERSION_LOW, IPS_BUILD_IDENT);
1424
1425 if (ha->ad_type > 0 && ha->ad_type <= MAX_ADAPTER_NAME) {
1426 strcat(bp, " <");
1427 strcat(bp, ips_adapter_name[ha->ad_type - 1]);
1428 strcat(bp, ">");
1429 }
1430
1431 return (bp);
1432 }
1433
1434 /****************************************************************************/
1435 /* */
1436 /* Routine Name: ips_proc_info */
1437 /* */
1438 /* Routine Description: */
1439 /* */
1440 /* The passthru interface for the driver */
1441 /* */
1442 /****************************************************************************/
1443 static int
1444 ips_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
1445 int length, int func)
1446 {
1447 int i;
1448 int ret;
1449 ips_ha_t *ha = NULL;
1450
1451 METHOD_TRACE("ips_proc_info", 1);
1452
1453 /* Find our host structure */
1454 for (i = 0; i < ips_next_controller; i++) {
1455 if (ips_sh[i]) {
1456 if (ips_sh[i] == host) {
1457 ha = (ips_ha_t *) ips_sh[i]->hostdata;
1458 break;
1459 }
1460 }
1461 }
1462
1463 if (!ha)
1464 return (-EINVAL);
1465
1466 if (func) {
1467 /* write */
1468 return (0);
1469 } else {
1470 /* read */
1471 if (start)
1472 *start = buffer;
1473
1474 ret = ips_host_info(ha, buffer, offset, length);
1475
1476 return (ret);
1477 }
1478 }
1479
1480 /*--------------------------------------------------------------------------*/
1481 /* Helper Functions */
1482 /*--------------------------------------------------------------------------*/
1483
1484 /****************************************************************************/
1485 /* */
1486 /* Routine Name: ips_is_passthru */
1487 /* */
1488 /* Routine Description: */
1489 /* */
1490 /* Determine if the specified SCSI command is really a passthru command */
1491 /* */
1492 /****************************************************************************/
1493 static int ips_is_passthru(struct scsi_cmnd *SC)
1494 {
1495 unsigned long flags;
1496
1497 METHOD_TRACE("ips_is_passthru", 1);
1498
1499 if (!SC)
1500 return (0);
1501
1502 if ((SC->cmnd[0] == IPS_IOCTL_COMMAND) &&
1503 (SC->device->channel == 0) &&
1504 (SC->device->id == IPS_ADAPTER_ID) &&
1505 (SC->device->lun == 0) && scsi_sglist(SC)) {
1506 struct scatterlist *sg = scsi_sglist(SC);
1507 char *buffer;
1508
1509 /* kmap_atomic() ensures addressability of the user buffer.*/
1510 /* local_irq_save() protects the KM_IRQ0 address slot. */
1511 local_irq_save(flags);
1512 buffer = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset;
1513 if (buffer && buffer[0] == 'C' && buffer[1] == 'O' &&
1514 buffer[2] == 'P' && buffer[3] == 'P') {
1515 kunmap_atomic(buffer - sg->offset, KM_IRQ0);
1516 local_irq_restore(flags);
1517 return 1;
1518 }
1519 kunmap_atomic(buffer - sg->offset, KM_IRQ0);
1520 local_irq_restore(flags);
1521 }
1522 return 0;
1523 }
1524
1525 /****************************************************************************/
1526 /* */
1527 /* Routine Name: ips_alloc_passthru_buffer */
1528 /* */
1529 /* Routine Description: */
1530 /* allocate a buffer large enough for the ioctl data if the ioctl buffer */
1531 /* is too small or doesn't exist */
1532 /****************************************************************************/
1533 static int
1534 ips_alloc_passthru_buffer(ips_ha_t * ha, int length)
1535 {
1536 void *bigger_buf;
1537 dma_addr_t dma_busaddr;
1538
1539 if (ha->ioctl_data && length <= ha->ioctl_len)
1540 return 0;
1541 /* there is no buffer or it's not big enough, allocate a new one */
1542 bigger_buf = pci_alloc_consistent(ha->pcidev, length, &dma_busaddr);
1543 if (bigger_buf) {
1544 /* free the old memory */
1545 pci_free_consistent(ha->pcidev, ha->ioctl_len, ha->ioctl_data,
1546 ha->ioctl_busaddr);
1547 /* use the new memory */
1548 ha->ioctl_data = (char *) bigger_buf;
1549 ha->ioctl_len = length;
1550 ha->ioctl_busaddr = dma_busaddr;
1551 } else {
1552 return -1;
1553 }
1554 return 0;
1555 }
1556
1557 /****************************************************************************/
1558 /* */
1559 /* Routine Name: ips_make_passthru */
1560 /* */
1561 /* Routine Description: */
1562 /* */
1563 /* Make a passthru command out of the info in the Scsi block */
1564 /* */
1565 /****************************************************************************/
1566 static int
1567 ips_make_passthru(ips_ha_t *ha, struct scsi_cmnd *SC, ips_scb_t *scb, int intr)
1568 {
1569 ips_passthru_t *pt;
1570 int length = 0;
1571 int i, ret;
1572 struct scatterlist *sg = scsi_sglist(SC);
1573
1574 METHOD_TRACE("ips_make_passthru", 1);
1575
1576 scsi_for_each_sg(SC, sg, scsi_sg_count(SC), i)
1577 length += sg->length;
1578
1579 if (length < sizeof (ips_passthru_t)) {
1580 /* wrong size */
1581 DEBUG_VAR(1, "(%s%d) Passthru structure wrong size",
1582 ips_name, ha->host_num);
1583 return (IPS_FAILURE);
1584 }
1585 if (ips_alloc_passthru_buffer(ha, length)) {
1586 /* allocation failure! If ha->ioctl_data exists, use it to return
1587 some error codes. Return a failed command to the scsi layer. */
1588 if (ha->ioctl_data) {
1589 pt = (ips_passthru_t *) ha->ioctl_data;
1590 ips_scmd_buf_read(SC, pt, sizeof (ips_passthru_t));
1591 pt->BasicStatus = 0x0B;
1592 pt->ExtendedStatus = 0x00;
1593 ips_scmd_buf_write(SC, pt, sizeof (ips_passthru_t));
1594 }
1595 return IPS_FAILURE;
1596 }
1597 ha->ioctl_datasize = length;
1598
1599 ips_scmd_buf_read(SC, ha->ioctl_data, ha->ioctl_datasize);
1600 pt = (ips_passthru_t *) ha->ioctl_data;
1601
1602 /*
1603 * Some notes about the passthru interface used
1604 *
1605 * IF the scsi op_code == 0x0d then we assume
1606 * that the data came along with/goes with the
1607 * packet we received from the sg driver. In this
1608 * case the CmdBSize field of the pt structure is
1609 * used for the size of the buffer.
1610 */
1611
1612 switch (pt->CoppCmd) {
1613 case IPS_NUMCTRLS:
1614 memcpy(ha->ioctl_data + sizeof (ips_passthru_t),
1615 &ips_num_controllers, sizeof (int));
1616 ips_scmd_buf_write(SC, ha->ioctl_data,
1617 sizeof (ips_passthru_t) + sizeof (int));
1618 SC->result = DID_OK << 16;
1619
1620 return (IPS_SUCCESS_IMM);
1621
1622 case IPS_COPPUSRCMD:
1623 case IPS_COPPIOCCMD:
1624 if (SC->cmnd[0] == IPS_IOCTL_COMMAND) {
1625 if (length < (sizeof (ips_passthru_t) + pt->CmdBSize)) {
1626 /* wrong size */
1627 DEBUG_VAR(1,
1628 "(%s%d) Passthru structure wrong size",
1629 ips_name, ha->host_num);
1630
1631 return (IPS_FAILURE);
1632 }
1633
1634 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD &&
1635 pt->CoppCP.cmd.flashfw.op_code ==
1636 IPS_CMD_RW_BIOSFW) {
1637 ret = ips_flash_copperhead(ha, pt, scb);
1638 ips_scmd_buf_write(SC, ha->ioctl_data,
1639 sizeof (ips_passthru_t));
1640 return ret;
1641 }
1642 if (ips_usrcmd(ha, pt, scb))
1643 return (IPS_SUCCESS);
1644 else
1645 return (IPS_FAILURE);
1646 }
1647
1648 break;
1649
1650 } /* end switch */
1651
1652 return (IPS_FAILURE);
1653 }
1654
1655 /****************************************************************************/
1656 /* Routine Name: ips_flash_copperhead */
1657 /* Routine Description: */
1658 /* Flash the BIOS/FW on a Copperhead style controller */
1659 /****************************************************************************/
1660 static int
1661 ips_flash_copperhead(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1662 {
1663 int datasize;
1664
1665 /* Trombone is the only copperhead that can do packet flash, but only
1666 * for firmware. No one said it had to make sence. */
1667 if (IPS_IS_TROMBONE(ha) && pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE) {
1668 if (ips_usrcmd(ha, pt, scb))
1669 return IPS_SUCCESS;
1670 else
1671 return IPS_FAILURE;
1672 }
1673 pt->BasicStatus = 0x0B;
1674 pt->ExtendedStatus = 0;
1675 scb->scsi_cmd->result = DID_OK << 16;
1676 /* IF it's OK to Use the "CD BOOT" Flash Buffer, then you can */
1677 /* avoid allocating a huge buffer per adapter ( which can fail ). */
1678 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1679 pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS) {
1680 pt->BasicStatus = 0;
1681 return ips_flash_bios(ha, pt, scb);
1682 } else if (pt->CoppCP.cmd.flashfw.packet_num == 0) {
1683 if (ips_FlashData && !test_and_set_bit(0, &ips_FlashDataInUse)){
1684 ha->flash_data = ips_FlashData;
1685 ha->flash_busaddr = ips_flashbusaddr;
1686 ha->flash_len = PAGE_SIZE << 7;
1687 ha->flash_datasize = 0;
1688 } else if (!ha->flash_data) {
1689 datasize = pt->CoppCP.cmd.flashfw.total_packets *
1690 pt->CoppCP.cmd.flashfw.count;
1691 ha->flash_data = pci_alloc_consistent(ha->pcidev,
1692 datasize,
1693 &ha->flash_busaddr);
1694 if (!ha->flash_data){
1695 printk(KERN_WARNING "Unable to allocate a flash buffer\n");
1696 return IPS_FAILURE;
1697 }
1698 ha->flash_datasize = 0;
1699 ha->flash_len = datasize;
1700 } else
1701 return IPS_FAILURE;
1702 } else {
1703 if (pt->CoppCP.cmd.flashfw.count + ha->flash_datasize >
1704 ha->flash_len) {
1705 ips_free_flash_copperhead(ha);
1706 IPS_PRINTK(KERN_WARNING, ha->pcidev,
1707 "failed size sanity check\n");
1708 return IPS_FAILURE;
1709 }
1710 }
1711 if (!ha->flash_data)
1712 return IPS_FAILURE;
1713 pt->BasicStatus = 0;
1714 memcpy(&ha->flash_data[ha->flash_datasize], pt + 1,
1715 pt->CoppCP.cmd.flashfw.count);
1716 ha->flash_datasize += pt->CoppCP.cmd.flashfw.count;
1717 if (pt->CoppCP.cmd.flashfw.packet_num ==
1718 pt->CoppCP.cmd.flashfw.total_packets - 1) {
1719 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE)
1720 return ips_flash_bios(ha, pt, scb);
1721 else if (pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE)
1722 return ips_flash_firmware(ha, pt, scb);
1723 }
1724 return IPS_SUCCESS_IMM;
1725 }
1726
1727 /****************************************************************************/
1728 /* Routine Name: ips_flash_bios */
1729 /* Routine Description: */
1730 /* flashes the bios of a copperhead adapter */
1731 /****************************************************************************/
1732 static int
1733 ips_flash_bios(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1734 {
1735
1736 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1737 pt->CoppCP.cmd.flashfw.direction == IPS_WRITE_BIOS) {
1738 if ((!ha->func.programbios) || (!ha->func.erasebios) ||
1739 (!ha->func.verifybios))
1740 goto error;
1741 if ((*ha->func.erasebios) (ha)) {
1742 DEBUG_VAR(1,
1743 "(%s%d) flash bios failed - unable to erase flash",
1744 ips_name, ha->host_num);
1745 goto error;
1746 } else
1747 if ((*ha->func.programbios) (ha,
1748 ha->flash_data +
1749 IPS_BIOS_HEADER,
1750 ha->flash_datasize -
1751 IPS_BIOS_HEADER, 0)) {
1752 DEBUG_VAR(1,
1753 "(%s%d) flash bios failed - unable to flash",
1754 ips_name, ha->host_num);
1755 goto error;
1756 } else
1757 if ((*ha->func.verifybios) (ha,
1758 ha->flash_data +
1759 IPS_BIOS_HEADER,
1760 ha->flash_datasize -
1761 IPS_BIOS_HEADER, 0)) {
1762 DEBUG_VAR(1,
1763 "(%s%d) flash bios failed - unable to verify flash",
1764 ips_name, ha->host_num);
1765 goto error;
1766 }
1767 ips_free_flash_copperhead(ha);
1768 return IPS_SUCCESS_IMM;
1769 } else if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1770 pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS) {
1771 if (!ha->func.erasebios)
1772 goto error;
1773 if ((*ha->func.erasebios) (ha)) {
1774 DEBUG_VAR(1,
1775 "(%s%d) flash bios failed - unable to erase flash",
1776 ips_name, ha->host_num);
1777 goto error;
1778 }
1779 return IPS_SUCCESS_IMM;
1780 }
1781 error:
1782 pt->BasicStatus = 0x0B;
1783 pt->ExtendedStatus = 0x00;
1784 ips_free_flash_copperhead(ha);
1785 return IPS_FAILURE;
1786 }
1787
1788 /****************************************************************************/
1789 /* */
1790 /* Routine Name: ips_fill_scb_sg_single */
1791 /* */
1792 /* Routine Description: */
1793 /* Fill in a single scb sg_list element from an address */
1794 /* return a -1 if a breakup occurred */
1795 /****************************************************************************/
1796 static int
1797 ips_fill_scb_sg_single(ips_ha_t * ha, dma_addr_t busaddr,
1798 ips_scb_t * scb, int indx, unsigned int e_len)
1799 {
1800
1801 int ret_val = 0;
1802
1803 if ((scb->data_len + e_len) > ha->max_xfer) {
1804 e_len = ha->max_xfer - scb->data_len;
1805 scb->breakup = indx;
1806 ++scb->sg_break;
1807 ret_val = -1;
1808 } else {
1809 scb->breakup = 0;
1810 scb->sg_break = 0;
1811 }
1812 if (IPS_USE_ENH_SGLIST(ha)) {
1813 scb->sg_list.enh_list[indx].address_lo =
1814 cpu_to_le32(pci_dma_lo32(busaddr));
1815 scb->sg_list.enh_list[indx].address_hi =
1816 cpu_to_le32(pci_dma_hi32(busaddr));
1817 scb->sg_list.enh_list[indx].length = cpu_to_le32(e_len);
1818 } else {
1819 scb->sg_list.std_list[indx].address =
1820 cpu_to_le32(pci_dma_lo32(busaddr));
1821 scb->sg_list.std_list[indx].length = cpu_to_le32(e_len);
1822 }
1823
1824 ++scb->sg_len;
1825 scb->data_len += e_len;
1826 return ret_val;
1827 }
1828
1829 /****************************************************************************/
1830 /* Routine Name: ips_flash_firmware */
1831 /* Routine Description: */
1832 /* flashes the firmware of a copperhead adapter */
1833 /****************************************************************************/
1834 static int
1835 ips_flash_firmware(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1836 {
1837 IPS_SG_LIST sg_list;
1838 uint32_t cmd_busaddr;
1839
1840 if (pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE &&
1841 pt->CoppCP.cmd.flashfw.direction == IPS_WRITE_FW) {
1842 memset(&pt->CoppCP.cmd, 0, sizeof (IPS_HOST_COMMAND));
1843 pt->CoppCP.cmd.flashfw.op_code = IPS_CMD_DOWNLOAD;
1844 pt->CoppCP.cmd.flashfw.count = cpu_to_le32(ha->flash_datasize);
1845 } else {
1846 pt->BasicStatus = 0x0B;
1847 pt->ExtendedStatus = 0x00;
1848 ips_free_flash_copperhead(ha);
1849 return IPS_FAILURE;
1850 }
1851 /* Save the S/G list pointer so it doesn't get clobbered */
1852 sg_list.list = scb->sg_list.list;
1853 cmd_busaddr = scb->scb_busaddr;
1854 /* copy in the CP */
1855 memcpy(&scb->cmd, &pt->CoppCP.cmd, sizeof (IPS_IOCTL_CMD));
1856 /* FIX stuff that might be wrong */
1857 scb->sg_list.list = sg_list.list;
1858 scb->scb_busaddr = cmd_busaddr;
1859 scb->bus = scb->scsi_cmd->device->channel;
1860 scb->target_id = scb->scsi_cmd->device->id;
1861 scb->lun = scb->scsi_cmd->device->lun;
1862 scb->sg_len = 0;
1863 scb->data_len = 0;
1864 scb->flags = 0;
1865 scb->op_code = 0;
1866 scb->callback = ipsintr_done;
1867 scb->timeout = ips_cmd_timeout;
1868
1869 scb->data_len = ha->flash_datasize;
1870 scb->data_busaddr =
1871 pci_map_single(ha->pcidev, ha->flash_data, scb->data_len,
1872 IPS_DMA_DIR(scb));
1873 scb->flags |= IPS_SCB_MAP_SINGLE;
1874 scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb);
1875 scb->cmd.flashfw.buffer_addr = cpu_to_le32(scb->data_busaddr);
1876 if (pt->TimeOut)
1877 scb->timeout = pt->TimeOut;
1878 scb->scsi_cmd->result = DID_OK << 16;
1879 return IPS_SUCCESS;
1880 }
1881
1882 /****************************************************************************/
1883 /* Routine Name: ips_free_flash_copperhead */
1884 /* Routine Description: */
1885 /* release the memory resources used to hold the flash image */
1886 /****************************************************************************/
1887 static void
1888 ips_free_flash_copperhead(ips_ha_t * ha)
1889 {
1890 if (ha->flash_data == ips_FlashData)
1891 test_and_clear_bit(0, &ips_FlashDataInUse);
1892 else if (ha->flash_data)
1893 pci_free_consistent(ha->pcidev, ha->flash_len, ha->flash_data,
1894 ha->flash_busaddr);
1895 ha->flash_data = NULL;
1896 }
1897
1898 /****************************************************************************/
1899 /* */
1900 /* Routine Name: ips_usrcmd */
1901 /* */
1902 /* Routine Description: */
1903 /* */
1904 /* Process a user command and make it ready to send */
1905 /* */
1906 /****************************************************************************/
1907 static int
1908 ips_usrcmd(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1909 {
1910 IPS_SG_LIST sg_list;
1911 uint32_t cmd_busaddr;
1912
1913 METHOD_TRACE("ips_usrcmd", 1);
1914
1915 if ((!scb) || (!pt) || (!ha))
1916 return (0);
1917
1918 /* Save the S/G list pointer so it doesn't get clobbered */
1919 sg_list.list = scb->sg_list.list;
1920 cmd_busaddr = scb->scb_busaddr;
1921 /* copy in the CP */
1922 memcpy(&scb->cmd, &pt->CoppCP.cmd, sizeof (IPS_IOCTL_CMD));
1923 memcpy(&scb->dcdb, &pt->CoppCP.dcdb, sizeof (IPS_DCDB_TABLE));
1924
1925 /* FIX stuff that might be wrong */
1926 scb->sg_list.list = sg_list.list;
1927 scb->scb_busaddr = cmd_busaddr;
1928 scb->bus = scb->scsi_cmd->device->channel;
1929 scb->target_id = scb->scsi_cmd->device->id;
1930 scb->lun = scb->scsi_cmd->device->lun;
1931 scb->sg_len = 0;
1932 scb->data_len = 0;
1933 scb->flags = 0;
1934 scb->op_code = 0;
1935 scb->callback = ipsintr_done;
1936 scb->timeout = ips_cmd_timeout;
1937 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
1938
1939 /* we don't support DCDB/READ/WRITE Scatter Gather */
1940 if ((scb->cmd.basic_io.op_code == IPS_CMD_READ_SG) ||
1941 (scb->cmd.basic_io.op_code == IPS_CMD_WRITE_SG) ||
1942 (scb->cmd.basic_io.op_code == IPS_CMD_DCDB_SG))
1943 return (0);
1944
1945 if (pt->CmdBSize) {
1946 scb->data_len = pt->CmdBSize;
1947 scb->data_busaddr = ha->ioctl_busaddr + sizeof (ips_passthru_t);
1948 } else {
1949 scb->data_busaddr = 0L;
1950 }
1951
1952 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB)
1953 scb->cmd.dcdb.dcdb_address = cpu_to_le32(scb->scb_busaddr +
1954 (unsigned long) &scb->
1955 dcdb -
1956 (unsigned long) scb);
1957
1958 if (pt->CmdBSize) {
1959 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB)
1960 scb->dcdb.buffer_pointer =
1961 cpu_to_le32(scb->data_busaddr);
1962 else
1963 scb->cmd.basic_io.sg_addr =
1964 cpu_to_le32(scb->data_busaddr);
1965 }
1966
1967 /* set timeouts */
1968 if (pt->TimeOut) {
1969 scb->timeout = pt->TimeOut;
1970
1971 if (pt->TimeOut <= 10)
1972 scb->dcdb.cmd_attribute |= IPS_TIMEOUT10;
1973 else if (pt->TimeOut <= 60)
1974 scb->dcdb.cmd_attribute |= IPS_TIMEOUT60;
1975 else
1976 scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M;
1977 }
1978
1979 /* assume success */
1980 scb->scsi_cmd->result = DID_OK << 16;
1981
1982 /* success */
1983 return (1);
1984 }
1985
1986 /****************************************************************************/
1987 /* */
1988 /* Routine Name: ips_cleanup_passthru */
1989 /* */
1990 /* Routine Description: */
1991 /* */
1992 /* Cleanup after a passthru command */
1993 /* */
1994 /****************************************************************************/
1995 static void
1996 ips_cleanup_passthru(ips_ha_t * ha, ips_scb_t * scb)
1997 {
1998 ips_passthru_t *pt;
1999
2000 METHOD_TRACE("ips_cleanup_passthru", 1);
2001
2002 if ((!scb) || (!scb->scsi_cmd) || (!scsi_sglist(scb->scsi_cmd))) {
2003 DEBUG_VAR(1, "(%s%d) couldn't cleanup after passthru",
2004 ips_name, ha->host_num);
2005
2006 return;
2007 }
2008 pt = (ips_passthru_t *) ha->ioctl_data;
2009
2010 /* Copy data back to the user */
2011 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB) /* Copy DCDB Back to Caller's Area */
2012 memcpy(&pt->CoppCP.dcdb, &scb->dcdb, sizeof (IPS_DCDB_TABLE));
2013
2014 pt->BasicStatus = scb->basic_status;
2015 pt->ExtendedStatus = scb->extended_status;
2016 pt->AdapterType = ha->ad_type;
2017
2018 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD &&
2019 (scb->cmd.flashfw.op_code == IPS_CMD_DOWNLOAD ||
2020 scb->cmd.flashfw.op_code == IPS_CMD_RW_BIOSFW))
2021 ips_free_flash_copperhead(ha);
2022
2023 ips_scmd_buf_write(scb->scsi_cmd, ha->ioctl_data, ha->ioctl_datasize);
2024 }
2025
2026 /****************************************************************************/
2027 /* */
2028 /* Routine Name: ips_host_info */
2029 /* */
2030 /* Routine Description: */
2031 /* */
2032 /* The passthru interface for the driver */
2033 /* */
2034 /****************************************************************************/
2035 static int
2036 ips_host_info(ips_ha_t * ha, char *ptr, off_t offset, int len)
2037 {
2038 IPS_INFOSTR info;
2039
2040 METHOD_TRACE("ips_host_info", 1);
2041
2042 info.buffer = ptr;
2043 info.length = len;
2044 info.offset = offset;
2045 info.pos = 0;
2046 info.localpos = 0;
2047
2048 copy_info(&info, "\nIBM ServeRAID General Information:\n\n");
2049
2050 if ((le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) &&
2051 (le16_to_cpu(ha->nvram->adapter_type) != 0))
2052 copy_info(&info, "\tController Type : %s\n",
2053 ips_adapter_name[ha->ad_type - 1]);
2054 else
2055 copy_info(&info,
2056 "\tController Type : Unknown\n");
2057
2058 if (ha->io_addr)
2059 copy_info(&info,
2060 "\tIO region : 0x%lx (%d bytes)\n",
2061 ha->io_addr, ha->io_len);
2062
2063 if (ha->mem_addr) {
2064 copy_info(&info,
2065 "\tMemory region : 0x%lx (%d bytes)\n",
2066 ha->mem_addr, ha->mem_len);
2067 copy_info(&info,
2068 "\tShared memory address : 0x%lx\n",
2069 ha->mem_ptr);
2070 }
2071
2072 copy_info(&info, "\tIRQ number : %d\n", ha->pcidev->irq);
2073
2074 /* For the Next 3 lines Check for Binary 0 at the end and don't include it if it's there. */
2075 /* That keeps everything happy for "text" operations on the proc file. */
2076
2077 if (le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) {
2078 if (ha->nvram->bios_low[3] == 0) {
2079 copy_info(&info,
2080 "\tBIOS Version : %c%c%c%c%c%c%c\n",
2081 ha->nvram->bios_high[0], ha->nvram->bios_high[1],
2082 ha->nvram->bios_high[2], ha->nvram->bios_high[3],
2083 ha->nvram->bios_low[0], ha->nvram->bios_low[1],
2084 ha->nvram->bios_low[2]);
2085
2086 } else {
2087 copy_info(&info,
2088 "\tBIOS Version : %c%c%c%c%c%c%c%c\n",
2089 ha->nvram->bios_high[0], ha->nvram->bios_high[1],
2090 ha->nvram->bios_high[2], ha->nvram->bios_high[3],
2091 ha->nvram->bios_low[0], ha->nvram->bios_low[1],
2092 ha->nvram->bios_low[2], ha->nvram->bios_low[3]);
2093 }
2094
2095 }
2096
2097 if (ha->enq->CodeBlkVersion[7] == 0) {
2098 copy_info(&info,
2099 "\tFirmware Version : %c%c%c%c%c%c%c\n",
2100 ha->enq->CodeBlkVersion[0], ha->enq->CodeBlkVersion[1],
2101 ha->enq->CodeBlkVersion[2], ha->enq->CodeBlkVersion[3],
2102 ha->enq->CodeBlkVersion[4], ha->enq->CodeBlkVersion[5],
2103 ha->enq->CodeBlkVersion[6]);
2104 } else {
2105 copy_info(&info,
2106 "\tFirmware Version : %c%c%c%c%c%c%c%c\n",
2107 ha->enq->CodeBlkVersion[0], ha->enq->CodeBlkVersion[1],
2108 ha->enq->CodeBlkVersion[2], ha->enq->CodeBlkVersion[3],
2109 ha->enq->CodeBlkVersion[4], ha->enq->CodeBlkVersion[5],
2110 ha->enq->CodeBlkVersion[6], ha->enq->CodeBlkVersion[7]);
2111 }
2112
2113 if (ha->enq->BootBlkVersion[7] == 0) {
2114 copy_info(&info,
2115 "\tBoot Block Version : %c%c%c%c%c%c%c\n",
2116 ha->enq->BootBlkVersion[0], ha->enq->BootBlkVersion[1],
2117 ha->enq->BootBlkVersion[2], ha->enq->BootBlkVersion[3],
2118 ha->enq->BootBlkVersion[4], ha->enq->BootBlkVersion[5],
2119 ha->enq->BootBlkVersion[6]);
2120 } else {
2121 copy_info(&info,
2122 "\tBoot Block Version : %c%c%c%c%c%c%c%c\n",
2123 ha->enq->BootBlkVersion[0], ha->enq->BootBlkVersion[1],
2124 ha->enq->BootBlkVersion[2], ha->enq->BootBlkVersion[3],
2125 ha->enq->BootBlkVersion[4], ha->enq->BootBlkVersion[5],
2126 ha->enq->BootBlkVersion[6], ha->enq->BootBlkVersion[7]);
2127 }
2128
2129 copy_info(&info, "\tDriver Version : %s%s\n",
2130 IPS_VERSION_HIGH, IPS_VERSION_LOW);
2131
2132 copy_info(&info, "\tDriver Build : %d\n",
2133 IPS_BUILD_IDENT);
2134
2135 copy_info(&info, "\tMax Physical Devices : %d\n",
2136 ha->enq->ucMaxPhysicalDevices);
2137 copy_info(&info, "\tMax Active Commands : %d\n",
2138 ha->max_cmds);
2139 copy_info(&info, "\tCurrent Queued Commands : %d\n",
2140 ha->scb_waitlist.count);
2141 copy_info(&info, "\tCurrent Active Commands : %d\n",
2142 ha->scb_activelist.count - ha->num_ioctl);
2143 copy_info(&info, "\tCurrent Queued PT Commands : %d\n",
2144 ha->copp_waitlist.count);
2145 copy_info(&info, "\tCurrent Active PT Commands : %d\n",
2146 ha->num_ioctl);
2147
2148 copy_info(&info, "\n");
2149
2150 return (info.localpos);
2151 }
2152
2153 /****************************************************************************/
2154 /* */
2155 /* Routine Name: copy_mem_info */
2156 /* */
2157 /* Routine Description: */
2158 /* */
2159 /* Copy data into an IPS_INFOSTR structure */
2160 /* */
2161 /****************************************************************************/
2162 static void
2163 copy_mem_info(IPS_INFOSTR * info, char *data, int len)
2164 {
2165 METHOD_TRACE("copy_mem_info", 1);
2166
2167 if (info->pos + len < info->offset) {
2168 info->pos += len;
2169 return;
2170 }
2171
2172 if (info->pos < info->offset) {
2173 data += (info->offset - info->pos);
2174 len -= (info->offset - info->pos);
2175 info->pos += (info->offset - info->pos);
2176 }
2177
2178 if (info->localpos + len > info->length)
2179 len = info->length - info->localpos;
2180
2181 if (len > 0) {
2182 memcpy(info->buffer + info->localpos, data, len);
2183 info->pos += len;
2184 info->localpos += len;
2185 }
2186 }
2187
2188 /****************************************************************************/
2189 /* */
2190 /* Routine Name: copy_info */
2191 /* */
2192 /* Routine Description: */
2193 /* */
2194 /* printf style wrapper for an info structure */
2195 /* */
2196 /****************************************************************************/
2197 static int
2198 copy_info(IPS_INFOSTR * info, char *fmt, ...)
2199 {
2200 va_list args;
2201 char buf[128];
2202 int len;
2203
2204 METHOD_TRACE("copy_info", 1);
2205
2206 va_start(args, fmt);
2207 len = vsprintf(buf, fmt, args);
2208 va_end(args);
2209
2210 copy_mem_info(info, buf, len);
2211
2212 return (len);
2213 }
2214
2215 /****************************************************************************/
2216 /* */
2217 /* Routine Name: ips_identify_controller */
2218 /* */
2219 /* Routine Description: */
2220 /* */
2221 /* Identify this controller */
2222 /* */
2223 /****************************************************************************/
2224 static void
2225 ips_identify_controller(ips_ha_t * ha)
2226 {
2227 METHOD_TRACE("ips_identify_controller", 1);
2228
2229 switch (ha->pcidev->device) {
2230 case IPS_DEVICEID_COPPERHEAD:
2231 if (ha->pcidev->revision <= IPS_REVID_SERVERAID) {
2232 ha->ad_type = IPS_ADTYPE_SERVERAID;
2233 } else if (ha->pcidev->revision == IPS_REVID_SERVERAID2) {
2234 ha->ad_type = IPS_ADTYPE_SERVERAID2;
2235 } else if (ha->pcidev->revision == IPS_REVID_NAVAJO) {
2236 ha->ad_type = IPS_ADTYPE_NAVAJO;
2237 } else if ((ha->pcidev->revision == IPS_REVID_SERVERAID2)
2238 && (ha->slot_num == 0)) {
2239 ha->ad_type = IPS_ADTYPE_KIOWA;
2240 } else if ((ha->pcidev->revision >= IPS_REVID_CLARINETP1) &&
2241 (ha->pcidev->revision <= IPS_REVID_CLARINETP3)) {
2242 if (ha->enq->ucMaxPhysicalDevices == 15)
2243 ha->ad_type = IPS_ADTYPE_SERVERAID3L;
2244 else
2245 ha->ad_type = IPS_ADTYPE_SERVERAID3;
2246 } else if ((ha->pcidev->revision >= IPS_REVID_TROMBONE32) &&
2247 (ha->pcidev->revision <= IPS_REVID_TROMBONE64)) {
2248 ha->ad_type = IPS_ADTYPE_SERVERAID4H;
2249 }
2250 break;
2251
2252 case IPS_DEVICEID_MORPHEUS:
2253 switch (ha->pcidev->subsystem_device) {
2254 case IPS_SUBDEVICEID_4L:
2255 ha->ad_type = IPS_ADTYPE_SERVERAID4L;
2256 break;
2257
2258 case IPS_SUBDEVICEID_4M:
2259 ha->ad_type = IPS_ADTYPE_SERVERAID4M;
2260 break;
2261
2262 case IPS_SUBDEVICEID_4MX:
2263 ha->ad_type = IPS_ADTYPE_SERVERAID4MX;
2264 break;
2265
2266 case IPS_SUBDEVICEID_4LX:
2267 ha->ad_type = IPS_ADTYPE_SERVERAID4LX;
2268 break;
2269
2270 case IPS_SUBDEVICEID_5I2:
2271 ha->ad_type = IPS_ADTYPE_SERVERAID5I2;
2272 break;
2273
2274 case IPS_SUBDEVICEID_5I1:
2275 ha->ad_type = IPS_ADTYPE_SERVERAID5I1;
2276 break;
2277 }
2278
2279 break;
2280
2281 case IPS_DEVICEID_MARCO:
2282 switch (ha->pcidev->subsystem_device) {
2283 case IPS_SUBDEVICEID_6M:
2284 ha->ad_type = IPS_ADTYPE_SERVERAID6M;
2285 break;
2286 case IPS_SUBDEVICEID_6I:
2287 ha->ad_type = IPS_ADTYPE_SERVERAID6I;
2288 break;
2289 case IPS_SUBDEVICEID_7k:
2290 ha->ad_type = IPS_ADTYPE_SERVERAID7k;
2291 break;
2292 case IPS_SUBDEVICEID_7M:
2293 ha->ad_type = IPS_ADTYPE_SERVERAID7M;
2294 break;
2295 }
2296 break;
2297 }
2298 }
2299
2300 /****************************************************************************/
2301 /* */
2302 /* Routine Name: ips_get_bios_version */
2303 /* */
2304 /* Routine Description: */
2305 /* */
2306 /* Get the BIOS revision number */
2307 /* */
2308 /****************************************************************************/
2309 static void
2310 ips_get_bios_version(ips_ha_t * ha, int intr)
2311 {
2312 ips_scb_t *scb;
2313 int ret;
2314 uint8_t major;
2315 uint8_t minor;
2316 uint8_t subminor;
2317 uint8_t *buffer;
2318 char hexDigits[] =
2319 { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C',
2320 'D', 'E', 'F' };
2321
2322 METHOD_TRACE("ips_get_bios_version", 1);
2323
2324 major = 0;
2325 minor = 0;
2326
2327 strncpy(ha->bios_version, " ?", 8);
2328
2329 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD) {
2330 if (IPS_USE_MEMIO(ha)) {
2331 /* Memory Mapped I/O */
2332
2333 /* test 1st byte */
2334 writel(0, ha->mem_ptr + IPS_REG_FLAP);
2335 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2336 udelay(25); /* 25 us */
2337
2338 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0x55)
2339 return;
2340
2341 writel(1, ha->mem_ptr + IPS_REG_FLAP);
2342 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2343 udelay(25); /* 25 us */
2344
2345 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA)
2346 return;
2347
2348 /* Get Major version */
2349 writel(0x1FF, ha->mem_ptr + IPS_REG_FLAP);
2350 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2351 udelay(25); /* 25 us */
2352
2353 major = readb(ha->mem_ptr + IPS_REG_FLDP);
2354
2355 /* Get Minor version */
2356 writel(0x1FE, ha->mem_ptr + IPS_REG_FLAP);
2357 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2358 udelay(25); /* 25 us */
2359 minor = readb(ha->mem_ptr + IPS_REG_FLDP);
2360
2361 /* Get SubMinor version */
2362 writel(0x1FD, ha->mem_ptr + IPS_REG_FLAP);
2363 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2364 udelay(25); /* 25 us */
2365 subminor = readb(ha->mem_ptr + IPS_REG_FLDP);
2366
2367 } else {
2368 /* Programmed I/O */
2369
2370 /* test 1st byte */
2371 outl(0, ha->io_addr + IPS_REG_FLAP);
2372 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2373 udelay(25); /* 25 us */
2374
2375 if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55)
2376 return;
2377
2378 outl(1, ha->io_addr + IPS_REG_FLAP);
2379 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2380 udelay(25); /* 25 us */
2381
2382 if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA)
2383 return;
2384
2385 /* Get Major version */
2386 outl(0x1FF, ha->io_addr + IPS_REG_FLAP);
2387 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2388 udelay(25); /* 25 us */
2389
2390 major = inb(ha->io_addr + IPS_REG_FLDP);
2391
2392 /* Get Minor version */
2393 outl(0x1FE, ha->io_addr + IPS_REG_FLAP);
2394 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2395 udelay(25); /* 25 us */
2396
2397 minor = inb(ha->io_addr + IPS_REG_FLDP);
2398
2399 /* Get SubMinor version */
2400 outl(0x1FD, ha->io_addr + IPS_REG_FLAP);
2401 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2402 udelay(25); /* 25 us */
2403
2404 subminor = inb(ha->io_addr + IPS_REG_FLDP);
2405
2406 }
2407 } else {
2408 /* Morpheus Family - Send Command to the card */
2409
2410 buffer = ha->ioctl_data;
2411
2412 memset(buffer, 0, 0x1000);
2413
2414 scb = &ha->scbs[ha->max_cmds - 1];
2415
2416 ips_init_scb(ha, scb);
2417
2418 scb->timeout = ips_cmd_timeout;
2419 scb->cdb[0] = IPS_CMD_RW_BIOSFW;
2420
2421 scb->cmd.flashfw.op_code = IPS_CMD_RW_BIOSFW;
2422 scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb);
2423 scb->cmd.flashfw.type = 1;
2424 scb->cmd.flashfw.direction = 0;
2425 scb->cmd.flashfw.count = cpu_to_le32(0x800);
2426 scb->cmd.flashfw.total_packets = 1;
2427 scb->cmd.flashfw.packet_num = 0;
2428 scb->data_len = 0x1000;
2429 scb->cmd.flashfw.buffer_addr = ha->ioctl_busaddr;
2430
2431 /* issue the command */
2432 if (((ret =
2433 ips_send_wait(ha, scb, ips_cmd_timeout,
2434 intr)) == IPS_FAILURE)
2435 || (ret == IPS_SUCCESS_IMM)
2436 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) {
2437 /* Error occurred */
2438
2439 return;
2440 }
2441
2442 if ((buffer[0xC0] == 0x55) && (buffer[0xC1] == 0xAA)) {
2443 major = buffer[0x1ff + 0xC0]; /* Offset 0x1ff after the header (0xc0) */
2444 minor = buffer[0x1fe + 0xC0]; /* Offset 0x1fe after the header (0xc0) */
2445 subminor = buffer[0x1fd + 0xC0]; /* Offset 0x1fd after the header (0xc0) */
2446 } else {
2447 return;
2448 }
2449 }
2450
2451 ha->bios_version[0] = hexDigits[(major & 0xF0) >> 4];
2452 ha->bios_version[1] = '.';
2453 ha->bios_version[2] = hexDigits[major & 0x0F];
2454 ha->bios_version[3] = hexDigits[subminor];
2455 ha->bios_version[4] = '.';
2456 ha->bios_version[5] = hexDigits[(minor & 0xF0) >> 4];
2457 ha->bios_version[6] = hexDigits[minor & 0x0F];
2458 ha->bios_version[7] = 0;
2459 }
2460
2461 /****************************************************************************/
2462 /* */
2463 /* Routine Name: ips_hainit */
2464 /* */
2465 /* Routine Description: */
2466 /* */
2467 /* Initialize the controller */
2468 /* */
2469 /* NOTE: Assumes to be called from with a lock */
2470 /* */
2471 /****************************************************************************/
2472 static int
2473 ips_hainit(ips_ha_t * ha)
2474 {
2475 int i;
2476 struct timeval tv;
2477
2478 METHOD_TRACE("ips_hainit", 1);
2479
2480 if (!ha)
2481 return (0);
2482
2483 if (ha->func.statinit)
2484 (*ha->func.statinit) (ha);
2485
2486 if (ha->func.enableint)
2487 (*ha->func.enableint) (ha);
2488
2489 /* Send FFDC */
2490 ha->reset_count = 1;
2491 do_gettimeofday(&tv);
2492 ha->last_ffdc = tv.tv_sec;
2493 ips_ffdc_reset(ha, IPS_INTR_IORL);
2494
2495 if (!ips_read_config(ha, IPS_INTR_IORL)) {
2496 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2497 "unable to read config from controller.\n");
2498
2499 return (0);
2500 }
2501 /* end if */
2502 if (!ips_read_adapter_status(ha, IPS_INTR_IORL)) {
2503 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2504 "unable to read controller status.\n");
2505
2506 return (0);
2507 }
2508
2509 /* Identify this controller */
2510 ips_identify_controller(ha);
2511
2512 if (!ips_read_subsystem_parameters(ha, IPS_INTR_IORL)) {
2513 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2514 "unable to read subsystem parameters.\n");
2515
2516 return (0);
2517 }
2518
2519 /* write nvram user page 5 */
2520 if (!ips_write_driver_status(ha, IPS_INTR_IORL)) {
2521 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2522 "unable to write driver info to controller.\n");
2523
2524 return (0);
2525 }
2526
2527 /* If there are Logical Drives and a Reset Occurred, then an EraseStripeLock is Needed */
2528 if ((ha->conf->ucLogDriveCount > 0) && (ha->requires_esl == 1))
2529 ips_clear_adapter(ha, IPS_INTR_IORL);
2530
2531 /* set limits on SID, LUN, BUS */
2532 ha->ntargets = IPS_MAX_TARGETS + 1;
2533 ha->nlun = 1;
2534 ha->nbus = (ha->enq->ucMaxPhysicalDevices / IPS_MAX_TARGETS) + 1;
2535
2536 switch (ha->conf->logical_drive[0].ucStripeSize) {
2537 case 4:
2538 ha->max_xfer = 0x10000;
2539 break;
2540
2541 case 5:
2542 ha->max_xfer = 0x20000;
2543 break;
2544
2545 case 6:
2546 ha->max_xfer = 0x40000;
2547 break;
2548
2549 case 7:
2550 default:
2551 ha->max_xfer = 0x80000;
2552 break;
2553 }
2554
2555 /* setup max concurrent commands */
2556 if (le32_to_cpu(ha->subsys->param[4]) & 0x1) {
2557 /* Use the new method */
2558 ha->max_cmds = ha->enq->ucConcurrentCmdCount;
2559 } else {
2560 /* use the old method */
2561 switch (ha->conf->logical_drive[0].ucStripeSize) {
2562 case 4:
2563 ha->max_cmds = 32;
2564 break;
2565
2566 case 5:
2567 ha->max_cmds = 16;
2568 break;
2569
2570 case 6:
2571 ha->max_cmds = 8;
2572 break;
2573
2574 case 7:
2575 default:
2576 ha->max_cmds = 4;
2577 break;
2578 }
2579 }
2580
2581 /* Limit the Active Commands on a Lite Adapter */
2582 if ((ha->ad_type == IPS_ADTYPE_SERVERAID3L) ||
2583 (ha->ad_type == IPS_ADTYPE_SERVERAID4L) ||
2584 (ha->ad_type == IPS_ADTYPE_SERVERAID4LX)) {
2585 if ((ha->max_cmds > MaxLiteCmds) && (MaxLiteCmds))
2586 ha->max_cmds = MaxLiteCmds;
2587 }
2588
2589 /* set controller IDs */
2590 ha->ha_id[0] = IPS_ADAPTER_ID;
2591 for (i = 1; i < ha->nbus; i++) {
2592 ha->ha_id[i] = ha->conf->init_id[i - 1] & 0x1f;
2593 ha->dcdb_active[i - 1] = 0;
2594 }
2595
2596 return (1);
2597 }
2598
2599 /****************************************************************************/
2600 /* */
2601 /* Routine Name: ips_next */
2602 /* */
2603 /* Routine Description: */
2604 /* */
2605 /* Take the next command off the queue and send it to the controller */
2606 /* */
2607 /****************************************************************************/
2608 static void
2609 ips_next(ips_ha_t * ha, int intr)
2610 {
2611 ips_scb_t *scb;
2612 struct scsi_cmnd *SC;
2613 struct scsi_cmnd *p;
2614 struct scsi_cmnd *q;
2615 ips_copp_wait_item_t *item;
2616 int ret;
2617 struct Scsi_Host *host;
2618 METHOD_TRACE("ips_next", 1);
2619
2620 if (!ha)
2621 return;
2622 host = ips_sh[ha->host_num];
2623 /*
2624 * Block access to the queue function so
2625 * this command won't time out
2626 */
2627 if (intr == IPS_INTR_ON)
2628 spin_lock(host->host_lock);
2629
2630 if ((ha->subsys->param[3] & 0x300000)
2631 && (ha->scb_activelist.count == 0)) {
2632 struct timeval tv;
2633
2634 do_gettimeofday(&tv);
2635
2636 if (tv.tv_sec - ha->last_ffdc > IPS_SECS_8HOURS) {
2637 ha->last_ffdc = tv.tv_sec;
2638 ips_ffdc_time(ha);
2639 }
2640 }
2641
2642 /*
2643 * Send passthru commands
2644 * These have priority over normal I/O
2645 * but shouldn't affect performance too much
2646 * since we limit the number that can be active
2647 * on the card at any one time
2648 */
2649 while ((ha->num_ioctl < IPS_MAX_IOCTL) &&
2650 (ha->copp_waitlist.head) && (scb = ips_getscb(ha))) {
2651
2652 item = ips_removeq_copp_head(&ha->copp_waitlist);
2653 ha->num_ioctl++;
2654 if (intr == IPS_INTR_ON)
2655 spin_unlock(host->host_lock);
2656 scb->scsi_cmd = item->scsi_cmd;
2657 kfree(item);
2658
2659 ret = ips_make_passthru(ha, scb->scsi_cmd, scb, intr);
2660
2661 if (intr == IPS_INTR_ON)
2662 spin_lock(host->host_lock);
2663 switch (ret) {
2664 case IPS_FAILURE:
2665 if (scb->scsi_cmd) {
2666 scb->scsi_cmd->result = DID_ERROR << 16;
2667 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2668 }
2669
2670 ips_freescb(ha, scb);
2671 break;
2672 case IPS_SUCCESS_IMM:
2673 if (scb->scsi_cmd) {
2674 scb->scsi_cmd->result = DID_OK << 16;
2675 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2676 }
2677
2678 ips_freescb(ha, scb);
2679 break;
2680 default:
2681 break;
2682 } /* end case */
2683
2684 if (ret != IPS_SUCCESS) {
2685 ha->num_ioctl--;
2686 continue;
2687 }
2688
2689 ret = ips_send_cmd(ha, scb);
2690
2691 if (ret == IPS_SUCCESS)
2692 ips_putq_scb_head(&ha->scb_activelist, scb);
2693 else
2694 ha->num_ioctl--;
2695
2696 switch (ret) {
2697 case IPS_FAILURE:
2698 if (scb->scsi_cmd) {
2699 scb->scsi_cmd->result = DID_ERROR << 16;
2700 }
2701
2702 ips_freescb(ha, scb);
2703 break;
2704 case IPS_SUCCESS_IMM:
2705 ips_freescb(ha, scb);
2706 break;
2707 default:
2708 break;
2709 } /* end case */
2710
2711 }
2712
2713 /*
2714 * Send "Normal" I/O commands
2715 */
2716
2717 p = ha->scb_waitlist.head;
2718 while ((p) && (scb = ips_getscb(ha))) {
2719 if ((scmd_channel(p) > 0)
2720 && (ha->
2721 dcdb_active[scmd_channel(p) -
2722 1] & (1 << scmd_id(p)))) {
2723 ips_freescb(ha, scb);
2724 p = (struct scsi_cmnd *) p->host_scribble;
2725 continue;
2726 }
2727
2728 q = p;
2729 SC = ips_removeq_wait(&ha->scb_waitlist, q);
2730
2731 if (intr == IPS_INTR_ON)
2732 spin_unlock(host->host_lock); /* Unlock HA after command is taken off queue */
2733
2734 SC->result = DID_OK;
2735 SC->host_scribble = NULL;
2736
2737 scb->target_id = SC->device->id;
2738 scb->lun = SC->device->lun;
2739 scb->bus = SC->device->channel;
2740 scb->scsi_cmd = SC;
2741 scb->breakup = 0;
2742 scb->data_len = 0;
2743 scb->callback = ipsintr_done;
2744 scb->timeout = ips_cmd_timeout;
2745 memset(&scb->cmd, 0, 16);
2746
2747 /* copy in the CDB */
2748 memcpy(scb->cdb, SC->cmnd, SC->cmd_len);
2749
2750 scb->sg_count = scsi_dma_map(SC);
2751 BUG_ON(scb->sg_count < 0);
2752 if (scb->sg_count) {
2753 struct scatterlist *sg;
2754 int i;
2755
2756 scb->flags |= IPS_SCB_MAP_SG;
2757
2758 scsi_for_each_sg(SC, sg, scb->sg_count, i) {
2759 if (ips_fill_scb_sg_single
2760 (ha, sg_dma_address(sg), scb, i,
2761 sg_dma_len(sg)) < 0)
2762 break;
2763 }
2764 scb->dcdb.transfer_length = scb->data_len;
2765 } else {
2766 scb->data_busaddr = 0L;
2767 scb->sg_len = 0;
2768 scb->data_len = 0;
2769 scb->dcdb.transfer_length = 0;
2770 }
2771
2772 scb->dcdb.cmd_attribute =
2773 ips_command_direction[scb->scsi_cmd->cmnd[0]];
2774
2775 /* Allow a WRITE BUFFER Command to Have no Data */
2776 /* This is Used by Tape Flash Utilites */
2777 if ((scb->scsi_cmd->cmnd[0] == WRITE_BUFFER) &&
2778 (scb->data_len == 0))
2779 scb->dcdb.cmd_attribute = 0;
2780
2781 if (!(scb->dcdb.cmd_attribute & 0x3))
2782 scb->dcdb.transfer_length = 0;
2783
2784 if (scb->data_len >= IPS_MAX_XFER) {
2785 scb->dcdb.cmd_attribute |= IPS_TRANSFER64K;
2786 scb->dcdb.transfer_length = 0;
2787 }
2788 if (intr == IPS_INTR_ON)
2789 spin_lock(host->host_lock);
2790
2791 ret = ips_send_cmd(ha, scb);
2792
2793 switch (ret) {
2794 case IPS_SUCCESS:
2795 ips_putq_scb_head(&ha->scb_activelist, scb);
2796 break;
2797 case IPS_FAILURE:
2798 if (scb->scsi_cmd) {
2799 scb->scsi_cmd->result = DID_ERROR << 16;
2800 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2801 }
2802
2803 if (scb->bus)
2804 ha->dcdb_active[scb->bus - 1] &=
2805 ~(1 << scb->target_id);
2806
2807 ips_freescb(ha, scb);
2808 break;
2809 case IPS_SUCCESS_IMM:
2810 if (scb->scsi_cmd)
2811 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2812
2813 if (scb->bus)
2814 ha->dcdb_active[scb->bus - 1] &=
2815 ~(1 << scb->target_id);
2816
2817 ips_freescb(ha, scb);
2818 break;
2819 default:
2820 break;
2821 } /* end case */
2822
2823 p = (struct scsi_cmnd *) p->host_scribble;
2824
2825 } /* end while */
2826
2827 if (intr == IPS_INTR_ON)
2828 spin_unlock(host->host_lock);
2829 }
2830
2831 /****************************************************************************/
2832 /* */
2833 /* Routine Name: ips_putq_scb_head */
2834 /* */
2835 /* Routine Description: */
2836 /* */
2837 /* Add an item to the head of the queue */
2838 /* */
2839 /* ASSUMED to be called from within the HA lock */
2840 /* */
2841 /****************************************************************************/
2842 static void
2843 ips_putq_scb_head(ips_scb_queue_t * queue, ips_scb_t * item)
2844 {
2845 METHOD_TRACE("ips_putq_scb_head", 1);
2846
2847 if (!item)
2848 return;
2849
2850 item->q_next = queue->head;
2851 queue->head = item;
2852
2853 if (!queue->tail)
2854 queue->tail = item;
2855
2856 queue->count++;
2857 }
2858
2859 /****************************************************************************/
2860 /* */
2861 /* Routine Name: ips_removeq_scb_head */
2862 /* */
2863 /* Routine Description: */
2864 /* */
2865 /* Remove the head of the queue */
2866 /* */
2867 /* ASSUMED to be called from within the HA lock */
2868 /* */
2869 /****************************************************************************/
2870 static ips_scb_t *
2871 ips_removeq_scb_head(ips_scb_queue_t * queue)
2872 {
2873 ips_scb_t *item;
2874
2875 METHOD_TRACE("ips_removeq_scb_head", 1);
2876
2877 item = queue->head;
2878
2879 if (!item) {
2880 return (NULL);
2881 }
2882
2883 queue->head = item->q_next;
2884 item->q_next = NULL;
2885
2886 if (queue->tail == item)
2887 queue->tail = NULL;
2888
2889 queue->count--;
2890
2891 return (item);
2892 }
2893
2894 /****************************************************************************/
2895 /* */
2896 /* Routine Name: ips_removeq_scb */
2897 /* */
2898 /* Routine Description: */
2899 /* */
2900 /* Remove an item from a queue */
2901 /* */
2902 /* ASSUMED to be called from within the HA lock */
2903 /* */
2904 /****************************************************************************/
2905 static ips_scb_t *
2906 ips_removeq_scb(ips_scb_queue_t * queue, ips_scb_t * item)
2907 {
2908 ips_scb_t *p;
2909
2910 METHOD_TRACE("ips_removeq_scb", 1);
2911
2912 if (!item)
2913 return (NULL);
2914
2915 if (item == queue->head) {
2916 return (ips_removeq_scb_head(queue));
2917 }
2918
2919 p = queue->head;
2920
2921 while ((p) && (item != p->q_next))
2922 p = p->q_next;
2923
2924 if (p) {
2925 /* found a match */
2926 p->q_next = item->q_next;
2927
2928 if (!item->q_next)
2929 queue->tail = p;
2930
2931 item->q_next = NULL;
2932 queue->count--;
2933
2934 return (item);
2935 }
2936
2937 return (NULL);
2938 }
2939
2940 /****************************************************************************/
2941 /* */
2942 /* Routine Name: ips_putq_wait_tail */
2943 /* */
2944 /* Routine Description: */
2945 /* */
2946 /* Add an item to the tail of the queue */
2947 /* */
2948 /* ASSUMED to be called from within the HA lock */
2949 /* */
2950 /****************************************************************************/
2951 static void ips_putq_wait_tail(ips_wait_queue_t *queue, struct scsi_cmnd *item)
2952 {
2953 METHOD_TRACE("ips_putq_wait_tail", 1);
2954
2955 if (!item)
2956 return;
2957
2958 item->host_scribble = NULL;
2959
2960 if (queue->tail)
2961 queue->tail->host_scribble = (char *) item;
2962
2963 queue->tail = item;
2964
2965 if (!queue->head)
2966 queue->head = item;
2967
2968 queue->count++;
2969 }
2970
2971 /****************************************************************************/
2972 /* */
2973 /* Routine Name: ips_removeq_wait_head */
2974 /* */
2975 /* Routine Description: */
2976 /* */
2977 /* Remove the head of the queue */
2978 /* */
2979 /* ASSUMED to be called from within the HA lock */
2980 /* */
2981 /****************************************************************************/
2982 static struct scsi_cmnd *ips_removeq_wait_head(ips_wait_queue_t *queue)
2983 {
2984 struct scsi_cmnd *item;
2985
2986 METHOD_TRACE("ips_removeq_wait_head", 1);
2987
2988 item = queue->head;
2989
2990 if (!item) {
2991 return (NULL);
2992 }
2993
2994 queue->head = (struct scsi_cmnd *) item->host_scribble;
2995 item->host_scribble = NULL;
2996
2997 if (queue->tail == item)
2998 queue->tail = NULL;
2999
3000 queue->count--;
3001
3002 return (item);
3003 }
3004
3005 /****************************************************************************/
3006 /* */
3007 /* Routine Name: ips_removeq_wait */
3008 /* */
3009 /* Routine Description: */
3010 /* */
3011 /* Remove an item from a queue */
3012 /* */
3013 /* ASSUMED to be called from within the HA lock */
3014 /* */
3015 /****************************************************************************/
3016 static struct scsi_cmnd *ips_removeq_wait(ips_wait_queue_t *queue,
3017 struct scsi_cmnd *item)
3018 {
3019 struct scsi_cmnd *p;
3020
3021 METHOD_TRACE("ips_removeq_wait", 1);
3022
3023 if (!item)
3024 return (NULL);
3025
3026 if (item == queue->head) {
3027 return (ips_removeq_wait_head(queue));
3028 }
3029
3030 p = queue->head;
3031
3032 while ((p) && (item != (struct scsi_cmnd *) p->host_scribble))
3033 p = (struct scsi_cmnd *) p->host_scribble;
3034
3035 if (p) {
3036 /* found a match */
3037 p->host_scribble = item->host_scribble;
3038
3039 if (!item->host_scribble)
3040 queue->tail = p;
3041
3042 item->host_scribble = NULL;
3043 queue->count--;
3044
3045 return (item);
3046 }
3047
3048 return (NULL);
3049 }
3050
3051 /****************************************************************************/
3052 /* */
3053 /* Routine Name: ips_putq_copp_tail */
3054 /* */
3055 /* Routine Description: */
3056 /* */
3057 /* Add an item to the tail of the queue */
3058 /* */
3059 /* ASSUMED to be called from within the HA lock */
3060 /* */
3061 /****************************************************************************/
3062 static void
3063 ips_putq_copp_tail(ips_copp_queue_t * queue, ips_copp_wait_item_t * item)
3064 {
3065 METHOD_TRACE("ips_putq_copp_tail", 1);
3066
3067 if (!item)
3068 return;
3069
3070 item->next = NULL;
3071
3072 if (queue->tail)
3073 queue->tail->next = item;
3074
3075 queue->tail = item;
3076
3077 if (!queue->head)
3078 queue->head = item;
3079
3080 queue->count++;
3081 }
3082
3083 /****************************************************************************/
3084 /* */
3085 /* Routine Name: ips_removeq_copp_head */
3086 /* */
3087 /* Routine Description: */
3088 /* */
3089 /* Remove the head of the queue */
3090 /* */
3091 /* ASSUMED to be called from within the HA lock */
3092 /* */
3093 /****************************************************************************/
3094 static ips_copp_wait_item_t *
3095 ips_removeq_copp_head(ips_copp_queue_t * queue)
3096 {
3097 ips_copp_wait_item_t *item;
3098
3099 METHOD_TRACE("ips_removeq_copp_head", 1);
3100
3101 item = queue->head;
3102
3103 if (!item) {
3104 return (NULL);
3105 }
3106
3107 queue->head = item->next;
3108 item->next = NULL;
3109
3110 if (queue->tail == item)
3111 queue->tail = NULL;
3112
3113 queue->count--;
3114
3115 return (item);
3116 }
3117
3118 /****************************************************************************/
3119 /* */
3120 /* Routine Name: ips_removeq_copp */
3121 /* */
3122 /* Routine Description: */
3123 /* */
3124 /* Remove an item from a queue */
3125 /* */
3126 /* ASSUMED to be called from within the HA lock */
3127 /* */
3128 /****************************************************************************/
3129 static ips_copp_wait_item_t *
3130 ips_removeq_copp(ips_copp_queue_t * queue, ips_copp_wait_item_t * item)
3131 {
3132 ips_copp_wait_item_t *p;
3133
3134 METHOD_TRACE("ips_removeq_copp", 1);
3135
3136 if (!item)
3137 return (NULL);
3138
3139 if (item == queue->head) {
3140 return (ips_removeq_copp_head(queue));
3141 }
3142
3143 p = queue->head;
3144
3145 while ((p) && (item != p->next))
3146 p = p->next;
3147
3148 if (p) {
3149 /* found a match */
3150 p->next = item->next;
3151
3152 if (!item->next)
3153 queue->tail = p;
3154
3155 item->next = NULL;
3156 queue->count--;
3157
3158 return (item);
3159 }
3160
3161 return (NULL);
3162 }
3163
3164 /****************************************************************************/
3165 /* */
3166 /* Routine Name: ipsintr_blocking */
3167 /* */
3168 /* Routine Description: */
3169 /* */
3170 /* Finalize an interrupt for internal commands */
3171 /* */
3172 /****************************************************************************/
3173 static void
3174 ipsintr_blocking(ips_ha_t * ha, ips_scb_t * scb)
3175 {
3176 METHOD_TRACE("ipsintr_blocking", 2);
3177
3178 ips_freescb(ha, scb);
3179 if ((ha->waitflag == TRUE) && (ha->cmd_in_progress == scb->cdb[0])) {
3180 ha->waitflag = FALSE;
3181
3182 return;
3183 }
3184 }
3185
3186 /****************************************************************************/
3187 /* */
3188 /* Routine Name: ipsintr_done */
3189 /* */
3190 /* Routine Description: */
3191 /* */
3192 /* Finalize an interrupt for non-internal commands */
3193 /* */
3194 /****************************************************************************/
3195 static void
3196 ipsintr_done(ips_ha_t * ha, ips_scb_t * scb)
3197 {
3198 METHOD_TRACE("ipsintr_done", 2);
3199
3200 if (!scb) {
3201 IPS_PRINTK(KERN_WARNING, ha->pcidev,
3202 "Spurious interrupt; scb NULL.\n");
3203
3204 return;
3205 }
3206
3207 if (scb->scsi_cmd == NULL) {
3208 /* unexpected interrupt */
3209 IPS_PRINTK(KERN_WARNING, ha->pcidev,
3210 "Spurious interrupt; scsi_cmd not set.\n");
3211
3212 return;
3213 }
3214
3215 ips_done(ha, scb);
3216 }
3217
3218 /****************************************************************************/
3219 /* */
3220 /* Routine Name: ips_done */
3221 /* */
3222 /* Routine Description: */
3223 /* */
3224 /* Do housekeeping on completed commands */
3225 /* ASSUMED to be called form within the request lock */
3226 /****************************************************************************/
3227 static void
3228 ips_done(ips_ha_t * ha, ips_scb_t * scb)
3229 {
3230 int ret;
3231
3232 METHOD_TRACE("ips_done", 1);
3233
3234 if (!scb)
3235 return;
3236
3237 if ((scb->scsi_cmd) && (ips_is_passthru(scb->scsi_cmd))) {
3238 ips_cleanup_passthru(ha, scb);
3239 ha->num_ioctl--;
3240 } else {
3241 /*
3242 * Check to see if this command had too much
3243 * data and had to be broke up. If so, queue
3244 * the rest of the data and continue.
3245 */
3246 if ((scb->breakup) || (scb->sg_break)) {
3247 struct scatterlist *sg;
3248 int i, sg_dma_index, ips_sg_index = 0;
3249
3250 /* we had a data breakup */
3251 scb->data_len = 0;
3252
3253 sg = scsi_sglist(scb->scsi_cmd);
3254
3255 /* Spin forward to last dma chunk */
3256 sg_dma_index = scb->breakup;
3257 for (i = 0; i < scb->breakup; i++)
3258 sg = sg_next(sg);
3259
3260 /* Take care of possible partial on last chunk */
3261 ips_fill_scb_sg_single(ha,
3262 sg_dma_address(sg),
3263 scb, ips_sg_index++,
3264 sg_dma_len(sg));
3265
3266 for (; sg_dma_index < scsi_sg_count(scb->scsi_cmd);
3267 sg_dma_index++, sg = sg_next(sg)) {
3268 if (ips_fill_scb_sg_single
3269 (ha,
3270 sg_dma_address(sg),
3271 scb, ips_sg_index++,
3272 sg_dma_len(sg)) < 0)
3273 break;
3274 }
3275
3276 scb->dcdb.transfer_length = scb->data_len;
3277 scb->dcdb.cmd_attribute |=
3278 ips_command_direction[scb->scsi_cmd->cmnd[0]];
3279
3280 if (!(scb->dcdb.cmd_attribute & 0x3))
3281 scb->dcdb.transfer_length = 0;
3282
3283 if (scb->data_len >= IPS_MAX_XFER) {
3284 scb->dcdb.cmd_attribute |= IPS_TRANSFER64K;
3285 scb->dcdb.transfer_length = 0;
3286 }
3287
3288 ret = ips_send_cmd(ha, scb);
3289
3290 switch (ret) {
3291 case IPS_FAILURE:
3292 if (scb->scsi_cmd) {
3293 scb->scsi_cmd->result = DID_ERROR << 16;
3294 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3295 }
3296
3297 ips_freescb(ha, scb);
3298 break;
3299 case IPS_SUCCESS_IMM:
3300 if (scb->scsi_cmd) {
3301 scb->scsi_cmd->result = DID_ERROR << 16;
3302 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3303 }
3304
3305 ips_freescb(ha, scb);
3306 break;
3307 default:
3308 break;
3309 } /* end case */
3310
3311 return;
3312 }
3313 } /* end if passthru */
3314
3315 if (scb->bus) {
3316 ha->dcdb_active[scb->bus - 1] &= ~(1 << scb->target_id);
3317 }
3318
3319 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3320
3321 ips_freescb(ha, scb);
3322 }
3323
3324 /****************************************************************************/
3325 /* */
3326 /* Routine Name: ips_map_status */
3327 /* */
3328 /* Routine Description: */
3329 /* */
3330 /* Map Controller Error codes to Linux Error Codes */
3331 /* */
3332 /****************************************************************************/
3333 static int
3334 ips_map_status(ips_ha_t * ha, ips_scb_t * scb, ips_stat_t * sp)
3335 {
3336 int errcode;
3337 int device_error;
3338 uint32_t transfer_len;
3339 IPS_DCDB_TABLE_TAPE *tapeDCDB;
3340 IPS_SCSI_INQ_DATA inquiryData;
3341
3342 METHOD_TRACE("ips_map_status", 1);
3343
3344 if (scb->bus) {
3345 DEBUG_VAR(2,
3346 "(%s%d) Physical device error (%d %d %d): %x %x, Sense Key: %x, ASC: %x, ASCQ: %x",
3347 ips_name, ha->host_num,
3348 scb->scsi_cmd->device->channel,
3349 scb->scsi_cmd->device->id, scb->scsi_cmd->device->lun,
3350 scb->basic_status, scb->extended_status,
3351 scb->extended_status ==
3352 IPS_ERR_CKCOND ? scb->dcdb.sense_info[2] & 0xf : 0,
3353 scb->extended_status ==
3354 IPS_ERR_CKCOND ? scb->dcdb.sense_info[12] : 0,
3355 scb->extended_status ==
3356 IPS_ERR_CKCOND ? scb->dcdb.sense_info[13] : 0);
3357 }
3358
3359 /* default driver error */
3360 errcode = DID_ERROR;
3361 device_error = 0;
3362
3363 switch (scb->basic_status & IPS_GSC_STATUS_MASK) {
3364 case IPS_CMD_TIMEOUT:
3365 errcode = DID_TIME_OUT;
3366 break;
3367
3368 case IPS_INVAL_OPCO:
3369 case IPS_INVAL_CMD_BLK:
3370 case IPS_INVAL_PARM_BLK:
3371 case IPS_LD_ERROR:
3372 case IPS_CMD_CMPLT_WERROR:
3373 break;
3374
3375 case IPS_PHYS_DRV_ERROR:
3376 switch (scb->extended_status) {
3377 case IPS_ERR_SEL_TO:
3378 if (scb->bus)
3379 errcode = DID_NO_CONNECT;
3380
3381 break;
3382
3383 case IPS_ERR_OU_RUN:
3384 if ((scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB) ||
3385 (scb->cmd.dcdb.op_code ==
3386 IPS_CMD_EXTENDED_DCDB_SG)) {
3387 tapeDCDB = (IPS_DCDB_TABLE_TAPE *) & scb->dcdb;
3388 transfer_len = tapeDCDB->transfer_length;
3389 } else {
3390 transfer_len =
3391 (uint32_t) scb->dcdb.transfer_length;
3392 }
3393
3394 if ((scb->bus) && (transfer_len < scb->data_len)) {
3395 /* Underrun - set default to no error */
3396 errcode = DID_OK;
3397
3398 /* Restrict access to physical DASD */
3399 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
3400 ips_scmd_buf_read(scb->scsi_cmd,
3401 &inquiryData, sizeof (inquiryData));
3402 if ((inquiryData.DeviceType & 0x1f) == TYPE_DISK) {
3403 errcode = DID_TIME_OUT;
3404 break;
3405 }
3406 }
3407 } else
3408 errcode = DID_ERROR;
3409
3410 break;
3411
3412 case IPS_ERR_RECOVERY:
3413 /* don't fail recovered errors */
3414 if (scb->bus)
3415 errcode = DID_OK;
3416
3417 break;
3418
3419 case IPS_ERR_HOST_RESET:
3420 case IPS_ERR_DEV_RESET:
3421 errcode = DID_RESET;
3422 break;
3423
3424 case IPS_ERR_CKCOND:
3425 if (scb->bus) {
3426 if ((scb->cmd.dcdb.op_code ==
3427 IPS_CMD_EXTENDED_DCDB)
3428 || (scb->cmd.dcdb.op_code ==
3429 IPS_CMD_EXTENDED_DCDB_SG)) {
3430 tapeDCDB =
3431 (IPS_DCDB_TABLE_TAPE *) & scb->dcdb;
3432 memcpy(scb->scsi_cmd->sense_buffer,
3433 tapeDCDB->sense_info,
3434 SCSI_SENSE_BUFFERSIZE);
3435 } else {
3436 memcpy(scb->scsi_cmd->sense_buffer,
3437 scb->dcdb.sense_info,
3438 SCSI_SENSE_BUFFERSIZE);
3439 }
3440 device_error = 2; /* check condition */
3441 }
3442
3443 errcode = DID_OK;
3444
3445 break;
3446
3447 default:
3448 errcode = DID_ERROR;
3449 break;
3450
3451 } /* end switch */
3452 } /* end switch */
3453
3454 scb->scsi_cmd->result = device_error | (errcode << 16);
3455
3456 return (1);
3457 }
3458
3459 /****************************************************************************/
3460 /* */
3461 /* Routine Name: ips_send_wait */
3462 /* */
3463 /* Routine Description: */
3464 /* */
3465 /* Send a command to the controller and wait for it to return */
3466 /* */
3467 /* The FFDC Time Stamp use this function for the callback, but doesn't */
3468 /* actually need to wait. */
3469 /****************************************************************************/
3470 static int
3471 ips_send_wait(ips_ha_t * ha, ips_scb_t * scb, int timeout, int intr)
3472 {
3473 int ret;
3474
3475 METHOD_TRACE("ips_send_wait", 1);
3476
3477 if (intr != IPS_FFDC) { /* Won't be Waiting if this is a Time Stamp */
3478 ha->waitflag = TRUE;
3479 ha->cmd_in_progress = scb->cdb[0];
3480 }
3481 scb->callback = ipsintr_blocking;
3482 ret = ips_send_cmd(ha, scb);
3483
3484 if ((ret == IPS_FAILURE) || (ret == IPS_SUCCESS_IMM))
3485 return (ret);
3486
3487 if (intr != IPS_FFDC) /* Don't Wait around if this is a Time Stamp */
3488 ret = ips_wait(ha, timeout, intr);
3489
3490 return (ret);
3491 }
3492
3493 /****************************************************************************/
3494 /* */
3495 /* Routine Name: ips_scmd_buf_write */
3496 /* */
3497 /* Routine Description: */
3498 /* Write data to struct scsi_cmnd request_buffer at proper offsets */
3499 /****************************************************************************/
3500 static void
3501 ips_scmd_buf_write(struct scsi_cmnd *scmd, void *data, unsigned int count)
3502 {
3503 unsigned long flags;
3504
3505 local_irq_save(flags);
3506 scsi_sg_copy_from_buffer(scmd, data, count);
3507 local_irq_restore(flags);
3508 }
3509
3510 /****************************************************************************/
3511 /* */
3512 /* Routine Name: ips_scmd_buf_read */
3513 /* */
3514 /* Routine Description: */
3515 /* Copy data from a struct scsi_cmnd to a new, linear buffer */
3516 /****************************************************************************/
3517 static void
3518 ips_scmd_buf_read(struct scsi_cmnd *scmd, void *data, unsigned int count)
3519 {
3520 unsigned long flags;
3521
3522 local_irq_save(flags);
3523 scsi_sg_copy_to_buffer(scmd, data, count);
3524 local_irq_restore(flags);
3525 }
3526
3527 /****************************************************************************/
3528 /* */
3529 /* Routine Name: ips_send_cmd */
3530 /* */
3531 /* Routine Description: */
3532 /* */
3533 /* Map SCSI commands to ServeRAID commands for logical drives */
3534 /* */
3535 /****************************************************************************/
3536 static int
3537 ips_send_cmd(ips_ha_t * ha, ips_scb_t * scb)
3538 {
3539 int ret;
3540 char *sp;
3541 int device_error;
3542 IPS_DCDB_TABLE_TAPE *tapeDCDB;
3543 int TimeOut;
3544
3545 METHOD_TRACE("ips_send_cmd", 1);
3546
3547 ret = IPS_SUCCESS;
3548
3549 if (!scb->scsi_cmd) {
3550 /* internal command */
3551
3552 if (scb->bus > 0) {
3553 /* Controller commands can't be issued */
3554 /* to real devices -- fail them */
3555 if ((ha->waitflag == TRUE) &&
3556 (ha->cmd_in_progress == scb->cdb[0])) {
3557 ha->waitflag = FALSE;
3558 }
3559
3560 return (1);
3561 }
3562 } else if ((scb->bus == 0) && (!ips_is_passthru(scb->scsi_cmd))) {
3563 /* command to logical bus -- interpret */
3564 ret = IPS_SUCCESS_IMM;
3565
3566 switch (scb->scsi_cmd->cmnd[0]) {
3567 case ALLOW_MEDIUM_REMOVAL:
3568 case REZERO_UNIT:
3569 case ERASE:
3570 case WRITE_FILEMARKS:
3571 case SPACE:
3572 scb->scsi_cmd->result = DID_ERROR << 16;
3573 break;
3574
3575 case START_STOP:
3576 scb->scsi_cmd->result = DID_OK << 16;
3577
3578 case TEST_UNIT_READY:
3579 case INQUIRY:
3580 if (scb->target_id == IPS_ADAPTER_ID) {
3581 /*
3582 * Either we have a TUR
3583 * or we have a SCSI inquiry
3584 */
3585 if (scb->scsi_cmd->cmnd[0] == TEST_UNIT_READY)
3586 scb->scsi_cmd->result = DID_OK << 16;
3587
3588 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
3589 IPS_SCSI_INQ_DATA inquiry;
3590
3591 memset(&inquiry, 0,
3592 sizeof (IPS_SCSI_INQ_DATA));
3593
3594 inquiry.DeviceType =
3595 IPS_SCSI_INQ_TYPE_PROCESSOR;
3596 inquiry.DeviceTypeQualifier =
3597 IPS_SCSI_INQ_LU_CONNECTED;
3598 inquiry.Version = IPS_SCSI_INQ_REV2;
3599 inquiry.ResponseDataFormat =
3600 IPS_SCSI_INQ_RD_REV2;
3601 inquiry.AdditionalLength = 31;
3602 inquiry.Flags[0] =
3603 IPS_SCSI_INQ_Address16;
3604 inquiry.Flags[1] =
3605 IPS_SCSI_INQ_WBus16 |
3606 IPS_SCSI_INQ_Sync;
3607 strncpy(inquiry.VendorId, "IBM ",
3608 8);
3609 strncpy(inquiry.ProductId,
3610 "SERVERAID ", 16);
3611 strncpy(inquiry.ProductRevisionLevel,
3612 "1.00", 4);
3613
3614 ips_scmd_buf_write(scb->scsi_cmd,
3615 &inquiry,
3616 sizeof (inquiry));
3617
3618 scb->scsi_cmd->result = DID_OK << 16;
3619 }
3620 } else {
3621 scb->cmd.logical_info.op_code = IPS_CMD_GET_LD_INFO;
3622 scb->cmd.logical_info.command_id = IPS_COMMAND_ID(ha, scb);
3623 scb->cmd.logical_info.reserved = 0;
3624 scb->cmd.logical_info.reserved2 = 0;
3625 scb->data_len = sizeof (IPS_LD_INFO);
3626 scb->data_busaddr = ha->logical_drive_info_dma_addr;
3627 scb->flags = 0;
3628 scb->cmd.logical_info.buffer_addr = scb->data_busaddr;
3629 ret = IPS_SUCCESS;
3630 }
3631
3632 break;
3633
3634 case REQUEST_SENSE:
3635 ips_reqsen(ha, scb);
3636 scb->scsi_cmd->result = DID_OK << 16;
3637 break;
3638
3639 case READ_6:
3640 case WRITE_6:
3641 if (!scb->sg_len) {
3642 scb->cmd.basic_io.op_code =
3643 (scb->scsi_cmd->cmnd[0] ==
3644 READ_6) ? IPS_CMD_READ : IPS_CMD_WRITE;
3645 scb->cmd.basic_io.enhanced_sg = 0;
3646 scb->cmd.basic_io.sg_addr =
3647 cpu_to_le32(scb->data_busaddr);
3648 } else {
3649 scb->cmd.basic_io.op_code =
3650 (scb->scsi_cmd->cmnd[0] ==
3651 READ_6) ? IPS_CMD_READ_SG :
3652 IPS_CMD_WRITE_SG;
3653 scb->cmd.basic_io.enhanced_sg =
3654 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3655 scb->cmd.basic_io.sg_addr =
3656 cpu_to_le32(scb->sg_busaddr);
3657 }
3658
3659 scb->cmd.basic_io.segment_4G = 0;
3660 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3661 scb->cmd.basic_io.log_drv = scb->target_id;
3662 scb->cmd.basic_io.sg_count = scb->sg_len;
3663
3664 if (scb->cmd.basic_io.lba)
3665 le32_add_cpu(&scb->cmd.basic_io.lba,
3666 le16_to_cpu(scb->cmd.basic_io.
3667 sector_count));
3668 else
3669 scb->cmd.basic_io.lba =
3670 (((scb->scsi_cmd->
3671 cmnd[1] & 0x1f) << 16) | (scb->scsi_cmd->
3672 cmnd[2] << 8) |
3673 (scb->scsi_cmd->cmnd[3]));
3674
3675 scb->cmd.basic_io.sector_count =
3676 cpu_to_le16(scb->data_len / IPS_BLKSIZE);
3677
3678 if (le16_to_cpu(scb->cmd.basic_io.sector_count) == 0)
3679 scb->cmd.basic_io.sector_count =
3680 cpu_to_le16(256);
3681
3682 ret = IPS_SUCCESS;
3683 break;
3684
3685 case READ_10:
3686 case WRITE_10:
3687 if (!scb->sg_len) {
3688 scb->cmd.basic_io.op_code =
3689 (scb->scsi_cmd->cmnd[0] ==
3690 READ_10) ? IPS_CMD_READ : IPS_CMD_WRITE;
3691 scb->cmd.basic_io.enhanced_sg = 0;
3692 scb->cmd.basic_io.sg_addr =
3693 cpu_to_le32(scb->data_busaddr);
3694 } else {
3695 scb->cmd.basic_io.op_code =
3696 (scb->scsi_cmd->cmnd[0] ==
3697 READ_10) ? IPS_CMD_READ_SG :
3698 IPS_CMD_WRITE_SG;
3699 scb->cmd.basic_io.enhanced_sg =
3700 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3701 scb->cmd.basic_io.sg_addr =
3702 cpu_to_le32(scb->sg_busaddr);
3703 }
3704
3705 scb->cmd.basic_io.segment_4G = 0;
3706 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3707 scb->cmd.basic_io.log_drv = scb->target_id;
3708 scb->cmd.basic_io.sg_count = scb->sg_len;
3709
3710 if (scb->cmd.basic_io.lba)
3711 le32_add_cpu(&scb->cmd.basic_io.lba,
3712 le16_to_cpu(scb->cmd.basic_io.
3713 sector_count));
3714 else
3715 scb->cmd.basic_io.lba =
3716 ((scb->scsi_cmd->cmnd[2] << 24) | (scb->
3717 scsi_cmd->
3718 cmnd[3]
3719 << 16) |
3720 (scb->scsi_cmd->cmnd[4] << 8) | scb->
3721 scsi_cmd->cmnd[5]);
3722
3723 scb->cmd.basic_io.sector_count =
3724 cpu_to_le16(scb->data_len / IPS_BLKSIZE);
3725
3726 if (cpu_to_le16(scb->cmd.basic_io.sector_count) == 0) {
3727 /*
3728 * This is a null condition
3729 * we don't have to do anything
3730 * so just return
3731 */
3732 scb->scsi_cmd->result = DID_OK << 16;
3733 } else
3734 ret = IPS_SUCCESS;
3735
3736 break;
3737
3738 case RESERVE:
3739 case RELEASE:
3740 scb->scsi_cmd->result = DID_OK << 16;
3741 break;
3742
3743 case MODE_SENSE:
3744 scb->cmd.basic_io.op_code = IPS_CMD_ENQUIRY;
3745 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3746 scb->cmd.basic_io.segment_4G = 0;
3747 scb->cmd.basic_io.enhanced_sg = 0;
3748 scb->data_len = sizeof (*ha->enq);
3749 scb->cmd.basic_io.sg_addr = ha->enq_busaddr;
3750 ret = IPS_SUCCESS;
3751 break;
3752
3753 case READ_CAPACITY:
3754 scb->cmd.logical_info.op_code = IPS_CMD_GET_LD_INFO;
3755 scb->cmd.logical_info.command_id = IPS_COMMAND_ID(ha, scb);
3756 scb->cmd.logical_info.reserved = 0;
3757 scb->cmd.logical_info.reserved2 = 0;
3758 scb->cmd.logical_info.reserved3 = 0;
3759 scb->data_len = sizeof (IPS_LD_INFO);
3760 scb->data_busaddr = ha->logical_drive_info_dma_addr;
3761 scb->flags = 0;
3762 scb->cmd.logical_info.buffer_addr = scb->data_busaddr;
3763 ret = IPS_SUCCESS;
3764 break;
3765
3766 case SEND_DIAGNOSTIC:
3767 case REASSIGN_BLOCKS:
3768 case FORMAT_UNIT:
3769 case SEEK_10:
3770 case VERIFY:
3771 case READ_DEFECT_DATA:
3772 case READ_BUFFER:
3773 case WRITE_BUFFER:
3774 scb->scsi_cmd->result = DID_OK << 16;
3775 break;
3776
3777 default:
3778 /* Set the Return Info to appear like the Command was */
3779 /* attempted, a Check Condition occurred, and Sense */
3780 /* Data indicating an Invalid CDB OpCode is returned. */
3781 sp = (char *) scb->scsi_cmd->sense_buffer;
3782
3783 sp[0] = 0x70; /* Error Code */
3784 sp[2] = ILLEGAL_REQUEST; /* Sense Key 5 Illegal Req. */
3785 sp[7] = 0x0A; /* Additional Sense Length */
3786 sp[12] = 0x20; /* ASC = Invalid OpCode */
3787 sp[13] = 0x00; /* ASCQ */
3788
3789 device_error = 2; /* Indicate Check Condition */
3790 scb->scsi_cmd->result = device_error | (DID_OK << 16);
3791 break;
3792 } /* end switch */
3793 }
3794 /* end if */
3795 if (ret == IPS_SUCCESS_IMM)
3796 return (ret);
3797
3798 /* setup DCDB */
3799 if (scb->bus > 0) {
3800
3801 /* If we already know the Device is Not there, no need to attempt a Command */
3802 /* This also protects an NT FailOver Controller from getting CDB's sent to it */
3803 if (ha->conf->dev[scb->bus - 1][scb->target_id].ucState == 0) {
3804 scb->scsi_cmd->result = DID_NO_CONNECT << 16;
3805 return (IPS_SUCCESS_IMM);
3806 }
3807
3808 ha->dcdb_active[scb->bus - 1] |= (1 << scb->target_id);
3809 scb->cmd.dcdb.command_id = IPS_COMMAND_ID(ha, scb);
3810 scb->cmd.dcdb.dcdb_address = cpu_to_le32(scb->scb_busaddr +
3811 (unsigned long) &scb->
3812 dcdb -
3813 (unsigned long) scb);
3814 scb->cmd.dcdb.reserved = 0;
3815 scb->cmd.dcdb.reserved2 = 0;
3816 scb->cmd.dcdb.reserved3 = 0;
3817 scb->cmd.dcdb.segment_4G = 0;
3818 scb->cmd.dcdb.enhanced_sg = 0;
3819
3820 TimeOut = scb->scsi_cmd->request->timeout;
3821
3822 if (ha->subsys->param[4] & 0x00100000) { /* If NEW Tape DCDB is Supported */
3823 if (!scb->sg_len) {
3824 scb->cmd.dcdb.op_code = IPS_CMD_EXTENDED_DCDB;
3825 } else {
3826 scb->cmd.dcdb.op_code =
3827 IPS_CMD_EXTENDED_DCDB_SG;
3828 scb->cmd.dcdb.enhanced_sg =
3829 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3830 }
3831
3832 tapeDCDB = (IPS_DCDB_TABLE_TAPE *) & scb->dcdb; /* Use Same Data Area as Old DCDB Struct */
3833 tapeDCDB->device_address =
3834 ((scb->bus - 1) << 4) | scb->target_id;
3835 tapeDCDB->cmd_attribute |= IPS_DISCONNECT_ALLOWED;
3836 tapeDCDB->cmd_attribute &= ~IPS_TRANSFER64K; /* Always Turn OFF 64K Size Flag */
3837
3838 if (TimeOut) {
3839 if (TimeOut < (10 * HZ))
3840 tapeDCDB->cmd_attribute |= IPS_TIMEOUT10; /* TimeOut is 10 Seconds */
3841 else if (TimeOut < (60 * HZ))
3842 tapeDCDB->cmd_attribute |= IPS_TIMEOUT60; /* TimeOut is 60 Seconds */
3843 else if (TimeOut < (1200 * HZ))
3844 tapeDCDB->cmd_attribute |= IPS_TIMEOUT20M; /* TimeOut is 20 Minutes */
3845 }
3846
3847 tapeDCDB->cdb_length = scb->scsi_cmd->cmd_len;
3848 tapeDCDB->reserved_for_LUN = 0;
3849 tapeDCDB->transfer_length = scb->data_len;
3850 if (scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB_SG)
3851 tapeDCDB->buffer_pointer =
3852 cpu_to_le32(scb->sg_busaddr);
3853 else
3854 tapeDCDB->buffer_pointer =
3855 cpu_to_le32(scb->data_busaddr);
3856 tapeDCDB->sg_count = scb->sg_len;
3857 tapeDCDB->sense_length = sizeof (tapeDCDB->sense_info);
3858 tapeDCDB->scsi_status = 0;
3859 tapeDCDB->reserved = 0;
3860 memcpy(tapeDCDB->scsi_cdb, scb->scsi_cmd->cmnd,
3861 scb->scsi_cmd->cmd_len);
3862 } else {
3863 if (!scb->sg_len) {
3864 scb->cmd.dcdb.op_code = IPS_CMD_DCDB;
3865 } else {
3866 scb->cmd.dcdb.op_code = IPS_CMD_DCDB_SG;
3867 scb->cmd.dcdb.enhanced_sg =
3868 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3869 }
3870
3871 scb->dcdb.device_address =
3872 ((scb->bus - 1) << 4) | scb->target_id;
3873 scb->dcdb.cmd_attribute |= IPS_DISCONNECT_ALLOWED;
3874
3875 if (TimeOut) {
3876 if (TimeOut < (10 * HZ))
3877 scb->dcdb.cmd_attribute |= IPS_TIMEOUT10; /* TimeOut is 10 Seconds */
3878 else if (TimeOut < (60 * HZ))
3879 scb->dcdb.cmd_attribute |= IPS_TIMEOUT60; /* TimeOut is 60 Seconds */
3880 else if (TimeOut < (1200 * HZ))
3881 scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M; /* TimeOut is 20 Minutes */
3882 }
3883
3884 scb->dcdb.transfer_length = scb->data_len;
3885 if (scb->dcdb.cmd_attribute & IPS_TRANSFER64K)
3886 scb->dcdb.transfer_length = 0;
3887 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB_SG)
3888 scb->dcdb.buffer_pointer =
3889 cpu_to_le32(scb->sg_busaddr);
3890 else
3891 scb->dcdb.buffer_pointer =
3892 cpu_to_le32(scb->data_busaddr);
3893 scb->dcdb.cdb_length = scb->scsi_cmd->cmd_len;
3894 scb->dcdb.sense_length = sizeof (scb->dcdb.sense_info);
3895 scb->dcdb.sg_count = scb->sg_len;
3896 scb->dcdb.reserved = 0;
3897 memcpy(scb->dcdb.scsi_cdb, scb->scsi_cmd->cmnd,
3898 scb->scsi_cmd->cmd_len);
3899 scb->dcdb.scsi_status = 0;
3900 scb->dcdb.reserved2[0] = 0;
3901 scb->dcdb.reserved2[1] = 0;
3902 scb->dcdb.reserved2[2] = 0;
3903 }
3904 }
3905
3906 return ((*ha->func.issue) (ha, scb));
3907 }
3908
3909 /****************************************************************************/
3910 /* */
3911 /* Routine Name: ips_chk_status */
3912 /* */
3913 /* Routine Description: */
3914 /* */
3915 /* Check the status of commands to logical drives */
3916 /* Assumed to be called with the HA lock */
3917 /****************************************************************************/
3918 static void
3919 ips_chkstatus(ips_ha_t * ha, IPS_STATUS * pstatus)
3920 {
3921 ips_scb_t *scb;
3922 ips_stat_t *sp;
3923 uint8_t basic_status;
3924 uint8_t ext_status;
3925 int errcode;
3926 IPS_SCSI_INQ_DATA inquiryData;
3927
3928 METHOD_TRACE("ips_chkstatus", 1);
3929
3930 scb = &ha->scbs[pstatus->fields.command_id];
3931 scb->basic_status = basic_status =
3932 pstatus->fields.basic_status & IPS_BASIC_STATUS_MASK;
3933 scb->extended_status = ext_status = pstatus->fields.extended_status;
3934
3935 sp = &ha->sp;
3936 sp->residue_len = 0;
3937 sp->scb_addr = (void *) scb;
3938
3939 /* Remove the item from the active queue */
3940 ips_removeq_scb(&ha->scb_activelist, scb);
3941
3942 if (!scb->scsi_cmd)
3943 /* internal commands are handled in do_ipsintr */
3944 return;
3945
3946 DEBUG_VAR(2, "(%s%d) ips_chkstatus: cmd 0x%X id %d (%d %d %d)",
3947 ips_name,
3948 ha->host_num,
3949 scb->cdb[0],
3950 scb->cmd.basic_io.command_id,
3951 scb->bus, scb->target_id, scb->lun);
3952
3953 if ((scb->scsi_cmd) && (ips_is_passthru(scb->scsi_cmd)))
3954 /* passthru - just returns the raw result */
3955 return;
3956
3957 errcode = DID_OK;
3958
3959 if (((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_SUCCESS) ||
3960 ((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_RECOVERED_ERROR)) {
3961
3962 if (scb->bus == 0) {
3963 if ((basic_status & IPS_GSC_STATUS_MASK) ==
3964 IPS_CMD_RECOVERED_ERROR) {
3965 DEBUG_VAR(1,
3966 "(%s%d) Recovered Logical Drive Error OpCode: %x, BSB: %x, ESB: %x",
3967 ips_name, ha->host_num,
3968 scb->cmd.basic_io.op_code,
3969 basic_status, ext_status);
3970 }
3971
3972 switch (scb->scsi_cmd->cmnd[0]) {
3973 case ALLOW_MEDIUM_REMOVAL:
3974 case REZERO_UNIT:
3975 case ERASE:
3976 case WRITE_FILEMARKS:
3977 case SPACE:
3978 errcode = DID_ERROR;
3979 break;
3980
3981 case START_STOP:
3982 break;
3983
3984 case TEST_UNIT_READY:
3985 if (!ips_online(ha, scb)) {
3986 errcode = DID_TIME_OUT;
3987 }
3988 break;
3989
3990 case INQUIRY:
3991 if (ips_online(ha, scb)) {
3992 ips_inquiry(ha, scb);
3993 } else {
3994 errcode = DID_TIME_OUT;
3995 }
3996 break;
3997
3998 case REQUEST_SENSE:
3999 ips_reqsen(ha, scb);
4000 break;
4001
4002 case READ_6:
4003 case WRITE_6:
4004 case READ_10:
4005 case WRITE_10:
4006 case RESERVE:
4007 case RELEASE:
4008 break;
4009
4010 case MODE_SENSE:
4011 if (!ips_online(ha, scb)
4012 || !ips_msense(ha, scb)) {
4013 errcode = DID_ERROR;
4014 }
4015 break;
4016
4017 case READ_CAPACITY:
4018 if (ips_online(ha, scb))
4019 ips_rdcap(ha, scb);
4020 else {
4021 errcode = DID_TIME_OUT;
4022 }
4023 break;
4024
4025 case SEND_DIAGNOSTIC:
4026 case REASSIGN_BLOCKS:
4027 break;
4028
4029 case FORMAT_UNIT:
4030 errcode = DID_ERROR;
4031 break;
4032
4033 case SEEK_10:
4034 case VERIFY:
4035 case READ_DEFECT_DATA:
4036 case READ_BUFFER:
4037 case WRITE_BUFFER:
4038 break;
4039
4040 default:
4041 errcode = DID_ERROR;
4042 } /* end switch */
4043
4044 scb->scsi_cmd->result = errcode << 16;
4045 } else { /* bus == 0 */
4046 /* restrict access to physical drives */
4047 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
4048 ips_scmd_buf_read(scb->scsi_cmd,
4049 &inquiryData, sizeof (inquiryData));
4050 if ((inquiryData.DeviceType & 0x1f) == TYPE_DISK)
4051 scb->scsi_cmd->result = DID_TIME_OUT << 16;
4052 }
4053 } /* else */
4054 } else { /* recovered error / success */
4055 if (scb->bus == 0) {
4056 DEBUG_VAR(1,
4057 "(%s%d) Unrecovered Logical Drive Error OpCode: %x, BSB: %x, ESB: %x",
4058 ips_name, ha->host_num,
4059 scb->cmd.basic_io.op_code, basic_status,
4060 ext_status);
4061 }
4062
4063 ips_map_status(ha, scb, sp);
4064 } /* else */
4065 }
4066
4067 /****************************************************************************/
4068 /* */
4069 /* Routine Name: ips_online */
4070 /* */
4071 /* Routine Description: */
4072 /* */
4073 /* Determine if a logical drive is online */
4074 /* */
4075 /****************************************************************************/
4076 static int
4077 ips_online(ips_ha_t * ha, ips_scb_t * scb)
4078 {
4079 METHOD_TRACE("ips_online", 1);
4080
4081 if (scb->target_id >= IPS_MAX_LD)
4082 return (0);
4083
4084 if ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1) {
4085 memset(ha->logical_drive_info, 0, sizeof (IPS_LD_INFO));
4086 return (0);
4087 }
4088
4089 if (ha->logical_drive_info->drive_info[scb->target_id].state !=
4090 IPS_LD_OFFLINE
4091 && ha->logical_drive_info->drive_info[scb->target_id].state !=
4092 IPS_LD_FREE
4093 && ha->logical_drive_info->drive_info[scb->target_id].state !=
4094 IPS_LD_CRS
4095 && ha->logical_drive_info->drive_info[scb->target_id].state !=
4096 IPS_LD_SYS)
4097 return (1);
4098 else
4099 return (0);
4100 }
4101
4102 /****************************************************************************/
4103 /* */
4104 /* Routine Name: ips_inquiry */
4105 /* */
4106 /* Routine Description: */
4107 /* */
4108 /* Simulate an inquiry command to a logical drive */
4109 /* */
4110 /****************************************************************************/
4111 static int
4112 ips_inquiry(ips_ha_t * ha, ips_scb_t * scb)
4113 {
4114 IPS_SCSI_INQ_DATA inquiry;
4115
4116 METHOD_TRACE("ips_inquiry", 1);
4117
4118 memset(&inquiry, 0, sizeof (IPS_SCSI_INQ_DATA));
4119
4120 inquiry.DeviceType = IPS_SCSI_INQ_TYPE_DASD;
4121 inquiry.DeviceTypeQualifier = IPS_SCSI_INQ_LU_CONNECTED;
4122 inquiry.Version = IPS_SCSI_INQ_REV2;
4123 inquiry.ResponseDataFormat = IPS_SCSI_INQ_RD_REV2;
4124 inquiry.AdditionalLength = 31;
4125 inquiry.Flags[0] = IPS_SCSI_INQ_Address16;
4126 inquiry.Flags[1] =
4127 IPS_SCSI_INQ_WBus16 | IPS_SCSI_INQ_Sync | IPS_SCSI_INQ_CmdQue;
4128 strncpy(inquiry.VendorId, "IBM ", 8);
4129 strncpy(inquiry.ProductId, "SERVERAID ", 16);
4130 strncpy(inquiry.ProductRevisionLevel, "1.00", 4);
4131
4132 ips_scmd_buf_write(scb->scsi_cmd, &inquiry, sizeof (inquiry));
4133
4134 return (1);
4135 }
4136
4137 /****************************************************************************/
4138 /* */
4139 /* Routine Name: ips_rdcap */
4140 /* */
4141 /* Routine Description: */
4142 /* */
4143 /* Simulate a read capacity command to a logical drive */
4144 /* */
4145 /****************************************************************************/
4146 static int
4147 ips_rdcap(ips_ha_t * ha, ips_scb_t * scb)
4148 {
4149 IPS_SCSI_CAPACITY cap;
4150
4151 METHOD_TRACE("ips_rdcap", 1);
4152
4153 if (scsi_bufflen(scb->scsi_cmd) < 8)
4154 return (0);
4155
4156 cap.lba =
4157 cpu_to_be32(le32_to_cpu
4158 (ha->logical_drive_info->
4159 drive_info[scb->target_id].sector_count) - 1);
4160 cap.len = cpu_to_be32((uint32_t) IPS_BLKSIZE);
4161
4162 ips_scmd_buf_write(scb->scsi_cmd, &cap, sizeof (cap));
4163
4164 return (1);
4165 }
4166
4167 /****************************************************************************/
4168 /* */
4169 /* Routine Name: ips_msense */
4170 /* */
4171 /* Routine Description: */
4172 /* */
4173 /* Simulate a mode sense command to a logical drive */
4174 /* */
4175 /****************************************************************************/
4176 static int
4177 ips_msense(ips_ha_t * ha, ips_scb_t * scb)
4178 {
4179 uint16_t heads;
4180 uint16_t sectors;
4181 uint32_t cylinders;
4182 IPS_SCSI_MODE_PAGE_DATA mdata;
4183
4184 METHOD_TRACE("ips_msense", 1);
4185
4186 if (le32_to_cpu(ha->enq->ulDriveSize[scb->target_id]) > 0x400000 &&
4187 (ha->enq->ucMiscFlag & 0x8) == 0) {
4188 heads = IPS_NORM_HEADS;
4189 sectors = IPS_NORM_SECTORS;
4190 } else {
4191 heads = IPS_COMP_HEADS;
4192 sectors = IPS_COMP_SECTORS;
4193 }
4194
4195 cylinders =
4196 (le32_to_cpu(ha->enq->ulDriveSize[scb->target_id]) -
4197 1) / (heads * sectors);
4198
4199 memset(&mdata, 0, sizeof (IPS_SCSI_MODE_PAGE_DATA));
4200
4201 mdata.hdr.BlockDescLength = 8;
4202
4203 switch (scb->scsi_cmd->cmnd[2] & 0x3f) {
4204 case 0x03: /* page 3 */
4205 mdata.pdata.pg3.PageCode = 3;
4206 mdata.pdata.pg3.PageLength = sizeof (IPS_SCSI_MODE_PAGE3);
4207 mdata.hdr.DataLength =
4208 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg3.PageLength;
4209 mdata.pdata.pg3.TracksPerZone = 0;
4210 mdata.pdata.pg3.AltSectorsPerZone = 0;
4211 mdata.pdata.pg3.AltTracksPerZone = 0;
4212 mdata.pdata.pg3.AltTracksPerVolume = 0;
4213 mdata.pdata.pg3.SectorsPerTrack = cpu_to_be16(sectors);
4214 mdata.pdata.pg3.BytesPerSector = cpu_to_be16(IPS_BLKSIZE);
4215 mdata.pdata.pg3.Interleave = cpu_to_be16(1);
4216 mdata.pdata.pg3.TrackSkew = 0;
4217 mdata.pdata.pg3.CylinderSkew = 0;
4218 mdata.pdata.pg3.flags = IPS_SCSI_MP3_SoftSector;
4219 break;
4220
4221 case 0x4:
4222 mdata.pdata.pg4.PageCode = 4;
4223 mdata.pdata.pg4.PageLength = sizeof (IPS_SCSI_MODE_PAGE4);
4224 mdata.hdr.DataLength =
4225 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg4.PageLength;
4226 mdata.pdata.pg4.CylindersHigh =
4227 cpu_to_be16((cylinders >> 8) & 0xFFFF);
4228 mdata.pdata.pg4.CylindersLow = (cylinders & 0xFF);
4229 mdata.pdata.pg4.Heads = heads;
4230 mdata.pdata.pg4.WritePrecompHigh = 0;
4231 mdata.pdata.pg4.WritePrecompLow = 0;
4232 mdata.pdata.pg4.ReducedWriteCurrentHigh = 0;
4233 mdata.pdata.pg4.ReducedWriteCurrentLow = 0;
4234 mdata.pdata.pg4.StepRate = cpu_to_be16(1);
4235 mdata.pdata.pg4.LandingZoneHigh = 0;
4236 mdata.pdata.pg4.LandingZoneLow = 0;
4237 mdata.pdata.pg4.flags = 0;
4238 mdata.pdata.pg4.RotationalOffset = 0;
4239 mdata.pdata.pg4.MediumRotationRate = 0;
4240 break;
4241 case 0x8:
4242 mdata.pdata.pg8.PageCode = 8;
4243 mdata.pdata.pg8.PageLength = sizeof (IPS_SCSI_MODE_PAGE8);
4244 mdata.hdr.DataLength =
4245 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg8.PageLength;
4246 /* everything else is left set to 0 */
4247 break;
4248
4249 default:
4250 return (0);
4251 } /* end switch */
4252
4253 ips_scmd_buf_write(scb->scsi_cmd, &mdata, sizeof (mdata));
4254
4255 return (1);
4256 }
4257
4258 /****************************************************************************/
4259 /* */
4260 /* Routine Name: ips_reqsen */
4261 /* */
4262 /* Routine Description: */
4263 /* */
4264 /* Simulate a request sense command to a logical drive */
4265 /* */
4266 /****************************************************************************/
4267 static int
4268 ips_reqsen(ips_ha_t * ha, ips_scb_t * scb)
4269 {
4270 IPS_SCSI_REQSEN reqsen;
4271
4272 METHOD_TRACE("ips_reqsen", 1);
4273
4274 memset(&reqsen, 0, sizeof (IPS_SCSI_REQSEN));
4275
4276 reqsen.ResponseCode =
4277 IPS_SCSI_REQSEN_VALID | IPS_SCSI_REQSEN_CURRENT_ERR;
4278 reqsen.AdditionalLength = 10;
4279 reqsen.AdditionalSenseCode = IPS_SCSI_REQSEN_NO_SENSE;
4280 reqsen.AdditionalSenseCodeQual = IPS_SCSI_REQSEN_NO_SENSE;
4281
4282 ips_scmd_buf_write(scb->scsi_cmd, &reqsen, sizeof (reqsen));
4283
4284 return (1);
4285 }
4286
4287 /****************************************************************************/
4288 /* */
4289 /* Routine Name: ips_free */
4290 /* */
4291 /* Routine Description: */
4292 /* */
4293 /* Free any allocated space for this controller */
4294 /* */
4295 /****************************************************************************/
4296 static void
4297 ips_free(ips_ha_t * ha)
4298 {
4299
4300 METHOD_TRACE("ips_free", 1);
4301
4302 if (ha) {
4303 if (ha->enq) {
4304 pci_free_consistent(ha->pcidev, sizeof(IPS_ENQ),
4305 ha->enq, ha->enq_busaddr);
4306 ha->enq = NULL;
4307 }
4308
4309 kfree(ha->conf);
4310 ha->conf = NULL;
4311
4312 if (ha->adapt) {
4313 pci_free_consistent(ha->pcidev,
4314 sizeof (IPS_ADAPTER) +
4315 sizeof (IPS_IO_CMD), ha->adapt,
4316 ha->adapt->hw_status_start);
4317 ha->adapt = NULL;
4318 }
4319
4320 if (ha->logical_drive_info) {
4321 pci_free_consistent(ha->pcidev,
4322 sizeof (IPS_LD_INFO),
4323 ha->logical_drive_info,
4324 ha->logical_drive_info_dma_addr);
4325 ha->logical_drive_info = NULL;
4326 }
4327
4328 kfree(ha->nvram);
4329 ha->nvram = NULL;
4330
4331 kfree(ha->subsys);
4332 ha->subsys = NULL;
4333
4334 if (ha->ioctl_data) {
4335 pci_free_consistent(ha->pcidev, ha->ioctl_len,
4336 ha->ioctl_data, ha->ioctl_busaddr);
4337 ha->ioctl_data = NULL;
4338 ha->ioctl_datasize = 0;
4339 ha->ioctl_len = 0;
4340 }
4341 ips_deallocatescbs(ha, ha->max_cmds);
4342
4343 /* free memory mapped (if applicable) */
4344 if (ha->mem_ptr) {
4345 iounmap(ha->ioremap_ptr);
4346 ha->ioremap_ptr = NULL;
4347 ha->mem_ptr = NULL;
4348 }
4349
4350 ha->mem_addr = 0;
4351
4352 }
4353 }
4354
4355 /****************************************************************************/
4356 /* */
4357 /* Routine Name: ips_deallocatescbs */
4358 /* */
4359 /* Routine Description: */
4360 /* */
4361 /* Free the command blocks */
4362 /* */
4363 /****************************************************************************/
4364 static int
4365 ips_deallocatescbs(ips_ha_t * ha, int cmds)
4366 {
4367 if (ha->scbs) {
4368 pci_free_consistent(ha->pcidev,
4369 IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * cmds,
4370 ha->scbs->sg_list.list,
4371 ha->scbs->sg_busaddr);
4372 pci_free_consistent(ha->pcidev, sizeof (ips_scb_t) * cmds,
4373 ha->scbs, ha->scbs->scb_busaddr);
4374 ha->scbs = NULL;
4375 } /* end if */
4376 return 1;
4377 }
4378
4379 /****************************************************************************/
4380 /* */
4381 /* Routine Name: ips_allocatescbs */
4382 /* */
4383 /* Routine Description: */
4384 /* */
4385 /* Allocate the command blocks */
4386 /* */
4387 /****************************************************************************/
4388 static int
4389 ips_allocatescbs(ips_ha_t * ha)
4390 {
4391 ips_scb_t *scb_p;
4392 IPS_SG_LIST ips_sg;
4393 int i;
4394 dma_addr_t command_dma, sg_dma;
4395
4396 METHOD_TRACE("ips_allocatescbs", 1);
4397
4398 /* Allocate memory for the SCBs */
4399 ha->scbs =
4400 pci_alloc_consistent(ha->pcidev, ha->max_cmds * sizeof (ips_scb_t),
4401 &command_dma);
4402 if (ha->scbs == NULL)
4403 return 0;
4404 ips_sg.list =
4405 pci_alloc_consistent(ha->pcidev,
4406 IPS_SGLIST_SIZE(ha) * IPS_MAX_SG *
4407 ha->max_cmds, &sg_dma);
4408 if (ips_sg.list == NULL) {
4409 pci_free_consistent(ha->pcidev,
4410 ha->max_cmds * sizeof (ips_scb_t), ha->scbs,
4411 command_dma);
4412 return 0;
4413 }
4414
4415 memset(ha->scbs, 0, ha->max_cmds * sizeof (ips_scb_t));
4416
4417 for (i = 0; i < ha->max_cmds; i++) {
4418 scb_p = &ha->scbs[i];
4419 scb_p->scb_busaddr = command_dma + sizeof (ips_scb_t) * i;
4420 /* set up S/G list */
4421 if (IPS_USE_ENH_SGLIST(ha)) {
4422 scb_p->sg_list.enh_list =
4423 ips_sg.enh_list + i * IPS_MAX_SG;
4424 scb_p->sg_busaddr =
4425 sg_dma + IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * i;
4426 } else {
4427 scb_p->sg_list.std_list =
4428 ips_sg.std_list + i * IPS_MAX_SG;
4429 scb_p->sg_busaddr =
4430 sg_dma + IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * i;
4431 }
4432
4433 /* add to the free list */
4434 if (i < ha->max_cmds - 1) {
4435 scb_p->q_next = ha->scb_freelist;
4436 ha->scb_freelist = scb_p;
4437 }
4438 }
4439
4440 /* success */
4441 return (1);
4442 }
4443
4444 /****************************************************************************/
4445 /* */
4446 /* Routine Name: ips_init_scb */
4447 /* */
4448 /* Routine Description: */
4449 /* */
4450 /* Initialize a CCB to default values */
4451 /* */
4452 /****************************************************************************/
4453 static void
4454 ips_init_scb(ips_ha_t * ha, ips_scb_t * scb)
4455 {
4456 IPS_SG_LIST sg_list;
4457 uint32_t cmd_busaddr, sg_busaddr;
4458 METHOD_TRACE("ips_init_scb", 1);
4459
4460 if (scb == NULL)
4461 return;
4462
4463 sg_list.list = scb->sg_list.list;
4464 cmd_busaddr = scb->scb_busaddr;
4465 sg_busaddr = scb->sg_busaddr;
4466 /* zero fill */
4467 memset(scb, 0, sizeof (ips_scb_t));
4468 memset(ha->dummy, 0, sizeof (IPS_IO_CMD));
4469
4470 /* Initialize dummy command bucket */
4471 ha->dummy->op_code = 0xFF;
4472 ha->dummy->ccsar = cpu_to_le32(ha->adapt->hw_status_start
4473 + sizeof (IPS_ADAPTER));
4474 ha->dummy->command_id = IPS_MAX_CMDS;
4475
4476 /* set bus address of scb */
4477 scb->scb_busaddr = cmd_busaddr;
4478 scb->sg_busaddr = sg_busaddr;
4479 scb->sg_list.list = sg_list.list;
4480
4481 /* Neptune Fix */
4482 scb->cmd.basic_io.cccr = cpu_to_le32((uint32_t) IPS_BIT_ILE);
4483 scb->cmd.basic_io.ccsar = cpu_to_le32(ha->adapt->hw_status_start
4484 + sizeof (IPS_ADAPTER));
4485 }
4486
4487 /****************************************************************************/
4488 /* */
4489 /* Routine Name: ips_get_scb */
4490 /* */
4491 /* Routine Description: */
4492 /* */
4493 /* Initialize a CCB to default values */
4494 /* */
4495 /* ASSUMED to be callled from within a lock */
4496 /* */
4497 /****************************************************************************/
4498 static ips_scb_t *
4499 ips_getscb(ips_ha_t * ha)
4500 {
4501 ips_scb_t *scb;
4502
4503 METHOD_TRACE("ips_getscb", 1);
4504
4505 if ((scb = ha->scb_freelist) == NULL) {
4506
4507 return (NULL);
4508 }
4509
4510 ha->scb_freelist = scb->q_next;
4511 scb->flags = 0;
4512 scb->q_next = NULL;
4513
4514 ips_init_scb(ha, scb);
4515
4516 return (scb);
4517 }
4518
4519 /****************************************************************************/
4520 /* */
4521 /* Routine Name: ips_free_scb */
4522 /* */
4523 /* Routine Description: */
4524 /* */
4525 /* Return an unused CCB back to the free list */
4526 /* */
4527 /* ASSUMED to be called from within a lock */
4528 /* */
4529 /****************************************************************************/
4530 static void
4531 ips_freescb(ips_ha_t * ha, ips_scb_t * scb)
4532 {
4533
4534 METHOD_TRACE("ips_freescb", 1);
4535 if (scb->flags & IPS_SCB_MAP_SG)
4536 scsi_dma_unmap(scb->scsi_cmd);
4537 else if (scb->flags & IPS_SCB_MAP_SINGLE)
4538 pci_unmap_single(ha->pcidev, scb->data_busaddr, scb->data_len,
4539 IPS_DMA_DIR(scb));
4540
4541 /* check to make sure this is not our "special" scb */
4542 if (IPS_COMMAND_ID(ha, scb) < (ha->max_cmds - 1)) {
4543 scb->q_next = ha->scb_freelist;
4544 ha->scb_freelist = scb;
4545 }
4546 }
4547
4548 /****************************************************************************/
4549 /* */
4550 /* Routine Name: ips_isinit_copperhead */
4551 /* */
4552 /* Routine Description: */
4553 /* */
4554 /* Is controller initialized ? */
4555 /* */
4556 /****************************************************************************/
4557 static int
4558 ips_isinit_copperhead(ips_ha_t * ha)
4559 {
4560 uint8_t scpr;
4561 uint8_t isr;
4562
4563 METHOD_TRACE("ips_isinit_copperhead", 1);
4564
4565 isr = inb(ha->io_addr + IPS_REG_HISR);
4566 scpr = inb(ha->io_addr + IPS_REG_SCPR);
4567
4568 if (((isr & IPS_BIT_EI) == 0) && ((scpr & IPS_BIT_EBM) == 0))
4569 return (0);
4570 else
4571 return (1);
4572 }
4573
4574 /****************************************************************************/
4575 /* */
4576 /* Routine Name: ips_isinit_copperhead_memio */
4577 /* */
4578 /* Routine Description: */
4579 /* */
4580 /* Is controller initialized ? */
4581 /* */
4582 /****************************************************************************/
4583 static int
4584 ips_isinit_copperhead_memio(ips_ha_t * ha)
4585 {
4586 uint8_t isr = 0;
4587 uint8_t scpr;
4588
4589 METHOD_TRACE("ips_is_init_copperhead_memio", 1);
4590
4591 isr = readb(ha->mem_ptr + IPS_REG_HISR);
4592 scpr = readb(ha->mem_ptr + IPS_REG_SCPR);
4593
4594 if (((isr & IPS_BIT_EI) == 0) && ((scpr & IPS_BIT_EBM) == 0))
4595 return (0);
4596 else
4597 return (1);
4598 }
4599
4600 /****************************************************************************/
4601 /* */
4602 /* Routine Name: ips_isinit_morpheus */
4603 /* */
4604 /* Routine Description: */
4605 /* */
4606 /* Is controller initialized ? */
4607 /* */
4608 /****************************************************************************/
4609 static int
4610 ips_isinit_morpheus(ips_ha_t * ha)
4611 {
4612 uint32_t post;
4613 uint32_t bits;
4614
4615 METHOD_TRACE("ips_is_init_morpheus", 1);
4616
4617 if (ips_isintr_morpheus(ha))
4618 ips_flush_and_reset(ha);
4619
4620 post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
4621 bits = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
4622
4623 if (post == 0)
4624 return (0);
4625 else if (bits & 0x3)
4626 return (0);
4627 else
4628 return (1);
4629 }
4630
4631 /****************************************************************************/
4632 /* */
4633 /* Routine Name: ips_flush_and_reset */
4634 /* */
4635 /* Routine Description: */
4636 /* */
4637 /* Perform cleanup ( FLUSH and RESET ) when the adapter is in an unknown */
4638 /* state ( was trying to INIT and an interrupt was already pending ) ... */
4639 /* */
4640 /****************************************************************************/
4641 static void
4642 ips_flush_and_reset(ips_ha_t *ha)
4643 {
4644 ips_scb_t *scb;
4645 int ret;
4646 int time;
4647 int done;
4648 dma_addr_t command_dma;
4649
4650 /* Create a usuable SCB */
4651 scb = pci_alloc_consistent(ha->pcidev, sizeof(ips_scb_t), &command_dma);
4652 if (scb) {
4653 memset(scb, 0, sizeof(ips_scb_t));
4654 ips_init_scb(ha, scb);
4655 scb->scb_busaddr = command_dma;
4656
4657 scb->timeout = ips_cmd_timeout;
4658 scb->cdb[0] = IPS_CMD_FLUSH;
4659
4660 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
4661 scb->cmd.flush_cache.command_id = IPS_MAX_CMDS; /* Use an ID that would otherwise not exist */
4662 scb->cmd.flush_cache.state = IPS_NORM_STATE;
4663 scb->cmd.flush_cache.reserved = 0;
4664 scb->cmd.flush_cache.reserved2 = 0;
4665 scb->cmd.flush_cache.reserved3 = 0;
4666 scb->cmd.flush_cache.reserved4 = 0;
4667
4668 ret = ips_send_cmd(ha, scb); /* Send the Flush Command */
4669
4670 if (ret == IPS_SUCCESS) {
4671 time = 60 * IPS_ONE_SEC; /* Max Wait time is 60 seconds */
4672 done = 0;
4673
4674 while ((time > 0) && (!done)) {
4675 done = ips_poll_for_flush_complete(ha);
4676 /* This may look evil, but it's only done during extremely rare start-up conditions ! */
4677 udelay(1000);
4678 time--;
4679 }
4680 }
4681 }
4682
4683 /* Now RESET and INIT the adapter */
4684 (*ha->func.reset) (ha);
4685
4686 pci_free_consistent(ha->pcidev, sizeof(ips_scb_t), scb, command_dma);
4687 return;
4688 }
4689
4690 /****************************************************************************/
4691 /* */
4692 /* Routine Name: ips_poll_for_flush_complete */
4693 /* */
4694 /* Routine Description: */
4695 /* */
4696 /* Poll for the Flush Command issued by ips_flush_and_reset() to complete */
4697 /* All other responses are just taken off the queue and ignored */
4698 /* */
4699 /****************************************************************************/
4700 static int
4701 ips_poll_for_flush_complete(ips_ha_t * ha)
4702 {
4703 IPS_STATUS cstatus;
4704
4705 while (TRUE) {
4706 cstatus.value = (*ha->func.statupd) (ha);
4707
4708 if (cstatus.value == 0xffffffff) /* If No Interrupt to process */
4709 break;
4710
4711 /* Success is when we see the Flush Command ID */
4712 if (cstatus.fields.command_id == IPS_MAX_CMDS)
4713 return 1;
4714 }
4715
4716 return 0;
4717 }
4718
4719 /****************************************************************************/
4720 /* */
4721 /* Routine Name: ips_enable_int_copperhead */
4722 /* */
4723 /* Routine Description: */
4724 /* Turn on interrupts */
4725 /* */
4726 /****************************************************************************/
4727 static void
4728 ips_enable_int_copperhead(ips_ha_t * ha)
4729 {
4730 METHOD_TRACE("ips_enable_int_copperhead", 1);
4731
4732 outb(ha->io_addr + IPS_REG_HISR, IPS_BIT_EI);
4733 inb(ha->io_addr + IPS_REG_HISR); /*Ensure PCI Posting Completes*/
4734 }
4735
4736 /****************************************************************************/
4737 /* */
4738 /* Routine Name: ips_enable_int_copperhead_memio */
4739 /* */
4740 /* Routine Description: */
4741 /* Turn on interrupts */
4742 /* */
4743 /****************************************************************************/
4744 static void
4745 ips_enable_int_copperhead_memio(ips_ha_t * ha)
4746 {
4747 METHOD_TRACE("ips_enable_int_copperhead_memio", 1);
4748
4749 writeb(IPS_BIT_EI, ha->mem_ptr + IPS_REG_HISR);
4750 readb(ha->mem_ptr + IPS_REG_HISR); /*Ensure PCI Posting Completes*/
4751 }
4752
4753 /****************************************************************************/
4754 /* */
4755 /* Routine Name: ips_enable_int_morpheus */
4756 /* */
4757 /* Routine Description: */
4758 /* Turn on interrupts */
4759 /* */
4760 /****************************************************************************/
4761 static void
4762 ips_enable_int_morpheus(ips_ha_t * ha)
4763 {
4764 uint32_t Oimr;
4765
4766 METHOD_TRACE("ips_enable_int_morpheus", 1);
4767
4768 Oimr = readl(ha->mem_ptr + IPS_REG_I960_OIMR);
4769 Oimr &= ~0x08;
4770 writel(Oimr, ha->mem_ptr + IPS_REG_I960_OIMR);
4771 readl(ha->mem_ptr + IPS_REG_I960_OIMR); /*Ensure PCI Posting Completes*/
4772 }
4773
4774 /****************************************************************************/
4775 /* */
4776 /* Routine Name: ips_init_copperhead */
4777 /* */
4778 /* Routine Description: */
4779 /* */
4780 /* Initialize a copperhead controller */
4781 /* */
4782 /****************************************************************************/
4783 static int
4784 ips_init_copperhead(ips_ha_t * ha)
4785 {
4786 uint8_t Isr;
4787 uint8_t Cbsp;
4788 uint8_t PostByte[IPS_MAX_POST_BYTES];
4789 uint8_t ConfigByte[IPS_MAX_CONFIG_BYTES];
4790 int i, j;
4791
4792 METHOD_TRACE("ips_init_copperhead", 1);
4793
4794 for (i = 0; i < IPS_MAX_POST_BYTES; i++) {
4795 for (j = 0; j < 45; j++) {
4796 Isr = inb(ha->io_addr + IPS_REG_HISR);
4797 if (Isr & IPS_BIT_GHI)
4798 break;
4799
4800 /* Delay for 1 Second */
4801 MDELAY(IPS_ONE_SEC);
4802 }
4803
4804 if (j >= 45)
4805 /* error occurred */
4806 return (0);
4807
4808 PostByte[i] = inb(ha->io_addr + IPS_REG_ISPR);
4809 outb(Isr, ha->io_addr + IPS_REG_HISR);
4810 }
4811
4812 if (PostByte[0] < IPS_GOOD_POST_STATUS) {
4813 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4814 "reset controller fails (post status %x %x).\n",
4815 PostByte[0], PostByte[1]);
4816
4817 return (0);
4818 }
4819
4820 for (i = 0; i < IPS_MAX_CONFIG_BYTES; i++) {
4821 for (j = 0; j < 240; j++) {
4822 Isr = inb(ha->io_addr + IPS_REG_HISR);
4823 if (Isr & IPS_BIT_GHI)
4824 break;
4825
4826 /* Delay for 1 Second */
4827 MDELAY(IPS_ONE_SEC);
4828 }
4829
4830 if (j >= 240)
4831 /* error occurred */
4832 return (0);
4833
4834 ConfigByte[i] = inb(ha->io_addr + IPS_REG_ISPR);
4835 outb(Isr, ha->io_addr + IPS_REG_HISR);
4836 }
4837
4838 for (i = 0; i < 240; i++) {
4839 Cbsp = inb(ha->io_addr + IPS_REG_CBSP);
4840
4841 if ((Cbsp & IPS_BIT_OP) == 0)
4842 break;
4843
4844 /* Delay for 1 Second */
4845 MDELAY(IPS_ONE_SEC);
4846 }
4847
4848 if (i >= 240)
4849 /* reset failed */
4850 return (0);
4851
4852 /* setup CCCR */
4853 outl(0x1010, ha->io_addr + IPS_REG_CCCR);
4854
4855 /* Enable busmastering */
4856 outb(IPS_BIT_EBM, ha->io_addr + IPS_REG_SCPR);
4857
4858 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
4859 /* fix for anaconda64 */
4860 outl(0, ha->io_addr + IPS_REG_NDAE);
4861
4862 /* Enable interrupts */
4863 outb(IPS_BIT_EI, ha->io_addr + IPS_REG_HISR);
4864
4865 return (1);
4866 }
4867
4868 /****************************************************************************/
4869 /* */
4870 /* Routine Name: ips_init_copperhead_memio */
4871 /* */
4872 /* Routine Description: */
4873 /* */
4874 /* Initialize a copperhead controller with memory mapped I/O */
4875 /* */
4876 /****************************************************************************/
4877 static int
4878 ips_init_copperhead_memio(ips_ha_t * ha)
4879 {
4880 uint8_t Isr = 0;
4881 uint8_t Cbsp;
4882 uint8_t PostByte[IPS_MAX_POST_BYTES];
4883 uint8_t ConfigByte[IPS_MAX_CONFIG_BYTES];
4884 int i, j;
4885
4886 METHOD_TRACE("ips_init_copperhead_memio", 1);
4887
4888 for (i = 0; i < IPS_MAX_POST_BYTES; i++) {
4889 for (j = 0; j < 45; j++) {
4890 Isr = readb(ha->mem_ptr + IPS_REG_HISR);
4891 if (Isr & IPS_BIT_GHI)
4892 break;
4893
4894 /* Delay for 1 Second */
4895 MDELAY(IPS_ONE_SEC);
4896 }
4897
4898 if (j >= 45)
4899 /* error occurred */
4900 return (0);
4901
4902 PostByte[i] = readb(ha->mem_ptr + IPS_REG_ISPR);
4903 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
4904 }
4905
4906 if (PostByte[0] < IPS_GOOD_POST_STATUS) {
4907 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4908 "reset controller fails (post status %x %x).\n",
4909 PostByte[0], PostByte[1]);
4910
4911 return (0);
4912 }
4913
4914 for (i = 0; i < IPS_MAX_CONFIG_BYTES; i++) {
4915 for (j = 0; j < 240; j++) {
4916 Isr = readb(ha->mem_ptr + IPS_REG_HISR);
4917 if (Isr & IPS_BIT_GHI)
4918 break;
4919
4920 /* Delay for 1 Second */
4921 MDELAY(IPS_ONE_SEC);
4922 }
4923
4924 if (j >= 240)
4925 /* error occurred */
4926 return (0);
4927
4928 ConfigByte[i] = readb(ha->mem_ptr + IPS_REG_ISPR);
4929 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
4930 }
4931
4932 for (i = 0; i < 240; i++) {
4933 Cbsp = readb(ha->mem_ptr + IPS_REG_CBSP);
4934
4935 if ((Cbsp & IPS_BIT_OP) == 0)
4936 break;
4937
4938 /* Delay for 1 Second */
4939 MDELAY(IPS_ONE_SEC);
4940 }
4941
4942 if (i >= 240)
4943 /* error occurred */
4944 return (0);
4945
4946 /* setup CCCR */
4947 writel(0x1010, ha->mem_ptr + IPS_REG_CCCR);
4948
4949 /* Enable busmastering */
4950 writeb(IPS_BIT_EBM, ha->mem_ptr + IPS_REG_SCPR);
4951
4952 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
4953 /* fix for anaconda64 */
4954 writel(0, ha->mem_ptr + IPS_REG_NDAE);
4955
4956 /* Enable interrupts */
4957 writeb(IPS_BIT_EI, ha->mem_ptr + IPS_REG_HISR);
4958
4959 /* if we get here then everything went OK */
4960 return (1);
4961 }
4962
4963 /****************************************************************************/
4964 /* */
4965 /* Routine Name: ips_init_morpheus */
4966 /* */
4967 /* Routine Description: */
4968 /* */
4969 /* Initialize a morpheus controller */
4970 /* */
4971 /****************************************************************************/
4972 static int
4973 ips_init_morpheus(ips_ha_t * ha)
4974 {
4975 uint32_t Post;
4976 uint32_t Config;
4977 uint32_t Isr;
4978 uint32_t Oimr;
4979 int i;
4980
4981 METHOD_TRACE("ips_init_morpheus", 1);
4982
4983 /* Wait up to 45 secs for Post */
4984 for (i = 0; i < 45; i++) {
4985 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
4986
4987 if (Isr & IPS_BIT_I960_MSG0I)
4988 break;
4989
4990 /* Delay for 1 Second */
4991 MDELAY(IPS_ONE_SEC);
4992 }
4993
4994 if (i >= 45) {
4995 /* error occurred */
4996 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4997 "timeout waiting for post.\n");
4998
4999 return (0);
5000 }
5001
5002 Post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
5003
5004 if (Post == 0x4F00) { /* If Flashing the Battery PIC */
5005 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5006 "Flashing Battery PIC, Please wait ...\n");
5007
5008 /* Clear the interrupt bit */
5009 Isr = (uint32_t) IPS_BIT_I960_MSG0I;
5010 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
5011
5012 for (i = 0; i < 120; i++) { /* Wait Up to 2 Min. for Completion */
5013 Post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
5014 if (Post != 0x4F00)
5015 break;
5016 /* Delay for 1 Second */
5017 MDELAY(IPS_ONE_SEC);
5018 }
5019
5020 if (i >= 120) {
5021 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5022 "timeout waiting for Battery PIC Flash\n");
5023 return (0);
5024 }
5025
5026 }
5027
5028 /* Clear the interrupt bit */
5029 Isr = (uint32_t) IPS_BIT_I960_MSG0I;
5030 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
5031
5032 if (Post < (IPS_GOOD_POST_STATUS << 8)) {
5033 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5034 "reset controller fails (post status %x).\n", Post);
5035
5036 return (0);
5037 }
5038
5039 /* Wait up to 240 secs for config bytes */
5040 for (i = 0; i < 240; i++) {
5041 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
5042
5043 if (Isr & IPS_BIT_I960_MSG1I)
5044 break;
5045
5046 /* Delay for 1 Second */
5047 MDELAY(IPS_ONE_SEC);
5048 }
5049
5050 if (i >= 240) {
5051 /* error occurred */
5052 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5053 "timeout waiting for config.\n");
5054
5055 return (0);
5056 }
5057
5058 Config = readl(ha->mem_ptr + IPS_REG_I960_MSG1);
5059
5060 /* Clear interrupt bit */
5061 Isr = (uint32_t) IPS_BIT_I960_MSG1I;
5062 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
5063
5064 /* Turn on the interrupts */
5065 Oimr = readl(ha->mem_ptr + IPS_REG_I960_OIMR);
5066 Oimr &= ~0x8;
5067 writel(Oimr, ha->mem_ptr + IPS_REG_I960_OIMR);
5068
5069 /* if we get here then everything went OK */
5070
5071 /* Since we did a RESET, an EraseStripeLock may be needed */
5072 if (Post == 0xEF10) {
5073 if ((Config == 0x000F) || (Config == 0x0009))
5074 ha->requires_esl = 1;
5075 }
5076
5077 return (1);
5078 }
5079
5080 /****************************************************************************/
5081 /* */
5082 /* Routine Name: ips_reset_copperhead */
5083 /* */
5084 /* Routine Description: */
5085 /* */
5086 /* Reset the controller */
5087 /* */
5088 /****************************************************************************/
5089 static int
5090 ips_reset_copperhead(ips_ha_t * ha)
5091 {
5092 int reset_counter;
5093
5094 METHOD_TRACE("ips_reset_copperhead", 1);
5095
5096 DEBUG_VAR(1, "(%s%d) ips_reset_copperhead: io addr: %x, irq: %d",
5097 ips_name, ha->host_num, ha->io_addr, ha->pcidev->irq);
5098
5099 reset_counter = 0;
5100
5101 while (reset_counter < 2) {
5102 reset_counter++;
5103
5104 outb(IPS_BIT_RST, ha->io_addr + IPS_REG_SCPR);
5105
5106 /* Delay for 1 Second */
5107 MDELAY(IPS_ONE_SEC);
5108
5109 outb(0, ha->io_addr + IPS_REG_SCPR);
5110
5111 /* Delay for 1 Second */
5112 MDELAY(IPS_ONE_SEC);
5113
5114 if ((*ha->func.init) (ha))
5115 break;
5116 else if (reset_counter >= 2) {
5117
5118 return (0);
5119 }
5120 }
5121
5122 return (1);
5123 }
5124
5125 /****************************************************************************/
5126 /* */
5127 /* Routine Name: ips_reset_copperhead_memio */
5128 /* */
5129 /* Routine Description: */
5130 /* */
5131 /* Reset the controller */
5132 /* */
5133 /****************************************************************************/
5134 static int
5135 ips_reset_copperhead_memio(ips_ha_t * ha)
5136 {
5137 int reset_counter;
5138
5139 METHOD_TRACE("ips_reset_copperhead_memio", 1);
5140
5141 DEBUG_VAR(1, "(%s%d) ips_reset_copperhead_memio: mem addr: %x, irq: %d",
5142 ips_name, ha->host_num, ha->mem_addr, ha->pcidev->irq);
5143
5144 reset_counter = 0;
5145
5146 while (reset_counter < 2) {
5147 reset_counter++;
5148
5149 writeb(IPS_BIT_RST, ha->mem_ptr + IPS_REG_SCPR);
5150
5151 /* Delay for 1 Second */
5152 MDELAY(IPS_ONE_SEC);
5153
5154 writeb(0, ha->mem_ptr + 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_morpheus */
5173 /* */
5174 /* Routine Description: */
5175 /* */
5176 /* Reset the controller */
5177 /* */
5178 /****************************************************************************/
5179 static int
5180 ips_reset_morpheus(ips_ha_t * ha)
5181 {
5182 int reset_counter;
5183 uint8_t junk;
5184
5185 METHOD_TRACE("ips_reset_morpheus", 1);
5186
5187 DEBUG_VAR(1, "(%s%d) ips_reset_morpheus: mem addr: %x, irq: %d",
5188 ips_name, ha->host_num, ha->mem_addr, ha->pcidev->irq);
5189
5190 reset_counter = 0;
5191
5192 while (reset_counter < 2) {
5193 reset_counter++;
5194
5195 writel(0x80000000, ha->mem_ptr + IPS_REG_I960_IDR);
5196
5197 /* Delay for 5 Seconds */
5198 MDELAY(5 * IPS_ONE_SEC);
5199
5200 /* Do a PCI config read to wait for adapter */
5201 pci_read_config_byte(ha->pcidev, 4, &junk);
5202
5203 if ((*ha->func.init) (ha))
5204 break;
5205 else if (reset_counter >= 2) {
5206
5207 return (0);
5208 }
5209 }
5210
5211 return (1);
5212 }
5213
5214 /****************************************************************************/
5215 /* */
5216 /* Routine Name: ips_statinit */
5217 /* */
5218 /* Routine Description: */
5219 /* */
5220 /* Initialize the status queues on the controller */
5221 /* */
5222 /****************************************************************************/
5223 static void
5224 ips_statinit(ips_ha_t * ha)
5225 {
5226 uint32_t phys_status_start;
5227
5228 METHOD_TRACE("ips_statinit", 1);
5229
5230 ha->adapt->p_status_start = ha->adapt->status;
5231 ha->adapt->p_status_end = ha->adapt->status + IPS_MAX_CMDS;
5232 ha->adapt->p_status_tail = ha->adapt->status;
5233
5234 phys_status_start = ha->adapt->hw_status_start;
5235 outl(phys_status_start, ha->io_addr + IPS_REG_SQSR);
5236 outl(phys_status_start + IPS_STATUS_Q_SIZE,
5237 ha->io_addr + IPS_REG_SQER);
5238 outl(phys_status_start + IPS_STATUS_SIZE,
5239 ha->io_addr + IPS_REG_SQHR);
5240 outl(phys_status_start, ha->io_addr + IPS_REG_SQTR);
5241
5242 ha->adapt->hw_status_tail = phys_status_start;
5243 }
5244
5245 /****************************************************************************/
5246 /* */
5247 /* Routine Name: ips_statinit_memio */
5248 /* */
5249 /* Routine Description: */
5250 /* */
5251 /* Initialize the status queues on the controller */
5252 /* */
5253 /****************************************************************************/
5254 static void
5255 ips_statinit_memio(ips_ha_t * ha)
5256 {
5257 uint32_t phys_status_start;
5258
5259 METHOD_TRACE("ips_statinit_memio", 1);
5260
5261 ha->adapt->p_status_start = ha->adapt->status;
5262 ha->adapt->p_status_end = ha->adapt->status + IPS_MAX_CMDS;
5263 ha->adapt->p_status_tail = ha->adapt->status;
5264
5265 phys_status_start = ha->adapt->hw_status_start;
5266 writel(phys_status_start, ha->mem_ptr + IPS_REG_SQSR);
5267 writel(phys_status_start + IPS_STATUS_Q_SIZE,
5268 ha->mem_ptr + IPS_REG_SQER);
5269 writel(phys_status_start + IPS_STATUS_SIZE, ha->mem_ptr + IPS_REG_SQHR);
5270 writel(phys_status_start, ha->mem_ptr + IPS_REG_SQTR);
5271
5272 ha->adapt->hw_status_tail = phys_status_start;
5273 }
5274
5275 /****************************************************************************/
5276 /* */
5277 /* Routine Name: ips_statupd_copperhead */
5278 /* */
5279 /* Routine Description: */
5280 /* */
5281 /* Remove an element from the status queue */
5282 /* */
5283 /****************************************************************************/
5284 static uint32_t
5285 ips_statupd_copperhead(ips_ha_t * ha)
5286 {
5287 METHOD_TRACE("ips_statupd_copperhead", 1);
5288
5289 if (ha->adapt->p_status_tail != ha->adapt->p_status_end) {
5290 ha->adapt->p_status_tail++;
5291 ha->adapt->hw_status_tail += sizeof (IPS_STATUS);
5292 } else {
5293 ha->adapt->p_status_tail = ha->adapt->p_status_start;
5294 ha->adapt->hw_status_tail = ha->adapt->hw_status_start;
5295 }
5296
5297 outl(ha->adapt->hw_status_tail,
5298 ha->io_addr + IPS_REG_SQTR);
5299
5300 return (ha->adapt->p_status_tail->value);
5301 }
5302
5303 /****************************************************************************/
5304 /* */
5305 /* Routine Name: ips_statupd_copperhead_memio */
5306 /* */
5307 /* Routine Description: */
5308 /* */
5309 /* Remove an element from the status queue */
5310 /* */
5311 /****************************************************************************/
5312 static uint32_t
5313 ips_statupd_copperhead_memio(ips_ha_t * ha)
5314 {
5315 METHOD_TRACE("ips_statupd_copperhead_memio", 1);
5316
5317 if (ha->adapt->p_status_tail != ha->adapt->p_status_end) {
5318 ha->adapt->p_status_tail++;
5319 ha->adapt->hw_status_tail += sizeof (IPS_STATUS);
5320 } else {
5321 ha->adapt->p_status_tail = ha->adapt->p_status_start;
5322 ha->adapt->hw_status_tail = ha->adapt->hw_status_start;
5323 }
5324
5325 writel(ha->adapt->hw_status_tail, ha->mem_ptr + IPS_REG_SQTR);
5326
5327 return (ha->adapt->p_status_tail->value);
5328 }
5329
5330 /****************************************************************************/
5331 /* */
5332 /* Routine Name: ips_statupd_morpheus */
5333 /* */
5334 /* Routine Description: */
5335 /* */
5336 /* Remove an element from the status queue */
5337 /* */
5338 /****************************************************************************/
5339 static uint32_t
5340 ips_statupd_morpheus(ips_ha_t * ha)
5341 {
5342 uint32_t val;
5343
5344 METHOD_TRACE("ips_statupd_morpheus", 1);
5345
5346 val = readl(ha->mem_ptr + IPS_REG_I2O_OUTMSGQ);
5347
5348 return (val);
5349 }
5350
5351 /****************************************************************************/
5352 /* */
5353 /* Routine Name: ips_issue_copperhead */
5354 /* */
5355 /* Routine Description: */
5356 /* */
5357 /* Send a command down to the controller */
5358 /* */
5359 /****************************************************************************/
5360 static int
5361 ips_issue_copperhead(ips_ha_t * ha, ips_scb_t * scb)
5362 {
5363 uint32_t TimeOut;
5364 uint32_t val;
5365
5366 METHOD_TRACE("ips_issue_copperhead", 1);
5367
5368 if (scb->scsi_cmd) {
5369 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5370 ips_name,
5371 ha->host_num,
5372 scb->cdb[0],
5373 scb->cmd.basic_io.command_id,
5374 scb->bus, scb->target_id, scb->lun);
5375 } else {
5376 DEBUG_VAR(2, KERN_NOTICE "(%s%d) ips_issue: logical cmd id %d",
5377 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5378 }
5379
5380 TimeOut = 0;
5381
5382 while ((val =
5383 le32_to_cpu(inl(ha->io_addr + IPS_REG_CCCR))) & IPS_BIT_SEM) {
5384 udelay(1000);
5385
5386 if (++TimeOut >= IPS_SEM_TIMEOUT) {
5387 if (!(val & IPS_BIT_START_STOP))
5388 break;
5389
5390 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5391 "ips_issue val [0x%x].\n", val);
5392 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5393 "ips_issue semaphore chk timeout.\n");
5394
5395 return (IPS_FAILURE);
5396 } /* end if */
5397 } /* end while */
5398
5399 outl(scb->scb_busaddr, ha->io_addr + IPS_REG_CCSAR);
5400 outw(IPS_BIT_START_CMD, ha->io_addr + IPS_REG_CCCR);
5401
5402 return (IPS_SUCCESS);
5403 }
5404
5405 /****************************************************************************/
5406 /* */
5407 /* Routine Name: ips_issue_copperhead_memio */
5408 /* */
5409 /* Routine Description: */
5410 /* */
5411 /* Send a command down to the controller */
5412 /* */
5413 /****************************************************************************/
5414 static int
5415 ips_issue_copperhead_memio(ips_ha_t * ha, ips_scb_t * scb)
5416 {
5417 uint32_t TimeOut;
5418 uint32_t val;
5419
5420 METHOD_TRACE("ips_issue_copperhead_memio", 1);
5421
5422 if (scb->scsi_cmd) {
5423 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5424 ips_name,
5425 ha->host_num,
5426 scb->cdb[0],
5427 scb->cmd.basic_io.command_id,
5428 scb->bus, scb->target_id, scb->lun);
5429 } else {
5430 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5431 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5432 }
5433
5434 TimeOut = 0;
5435
5436 while ((val = readl(ha->mem_ptr + IPS_REG_CCCR)) & IPS_BIT_SEM) {
5437 udelay(1000);
5438
5439 if (++TimeOut >= IPS_SEM_TIMEOUT) {
5440 if (!(val & IPS_BIT_START_STOP))
5441 break;
5442
5443 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5444 "ips_issue val [0x%x].\n", val);
5445 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5446 "ips_issue semaphore chk timeout.\n");
5447
5448 return (IPS_FAILURE);
5449 } /* end if */
5450 } /* end while */
5451
5452 writel(scb->scb_busaddr, ha->mem_ptr + IPS_REG_CCSAR);
5453 writel(IPS_BIT_START_CMD, ha->mem_ptr + IPS_REG_CCCR);
5454
5455 return (IPS_SUCCESS);
5456 }
5457
5458 /****************************************************************************/
5459 /* */
5460 /* Routine Name: ips_issue_i2o */
5461 /* */
5462 /* Routine Description: */
5463 /* */
5464 /* Send a command down to the controller */
5465 /* */
5466 /****************************************************************************/
5467 static int
5468 ips_issue_i2o(ips_ha_t * ha, ips_scb_t * scb)
5469 {
5470
5471 METHOD_TRACE("ips_issue_i2o", 1);
5472
5473 if (scb->scsi_cmd) {
5474 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5475 ips_name,
5476 ha->host_num,
5477 scb->cdb[0],
5478 scb->cmd.basic_io.command_id,
5479 scb->bus, scb->target_id, scb->lun);
5480 } else {
5481 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5482 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5483 }
5484
5485 outl(scb->scb_busaddr, ha->io_addr + IPS_REG_I2O_INMSGQ);
5486
5487 return (IPS_SUCCESS);
5488 }
5489
5490 /****************************************************************************/
5491 /* */
5492 /* Routine Name: ips_issue_i2o_memio */
5493 /* */
5494 /* Routine Description: */
5495 /* */
5496 /* Send a command down to the controller */
5497 /* */
5498 /****************************************************************************/
5499 static int
5500 ips_issue_i2o_memio(ips_ha_t * ha, ips_scb_t * scb)
5501 {
5502
5503 METHOD_TRACE("ips_issue_i2o_memio", 1);
5504
5505 if (scb->scsi_cmd) {
5506 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5507 ips_name,
5508 ha->host_num,
5509 scb->cdb[0],
5510 scb->cmd.basic_io.command_id,
5511 scb->bus, scb->target_id, scb->lun);
5512 } else {
5513 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5514 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5515 }
5516
5517 writel(scb->scb_busaddr, ha->mem_ptr + IPS_REG_I2O_INMSGQ);
5518
5519 return (IPS_SUCCESS);
5520 }
5521
5522 /****************************************************************************/
5523 /* */
5524 /* Routine Name: ips_isintr_copperhead */
5525 /* */
5526 /* Routine Description: */
5527 /* */
5528 /* Test to see if an interrupt is for us */
5529 /* */
5530 /****************************************************************************/
5531 static int
5532 ips_isintr_copperhead(ips_ha_t * ha)
5533 {
5534 uint8_t Isr;
5535
5536 METHOD_TRACE("ips_isintr_copperhead", 2);
5537
5538 Isr = inb(ha->io_addr + IPS_REG_HISR);
5539
5540 if (Isr == 0xFF)
5541 /* ?!?! Nothing really there */
5542 return (0);
5543
5544 if (Isr & IPS_BIT_SCE)
5545 return (1);
5546 else if (Isr & (IPS_BIT_SQO | IPS_BIT_GHI)) {
5547 /* status queue overflow or GHI */
5548 /* just clear the interrupt */
5549 outb(Isr, ha->io_addr + IPS_REG_HISR);
5550 }
5551
5552 return (0);
5553 }
5554
5555 /****************************************************************************/
5556 /* */
5557 /* Routine Name: ips_isintr_copperhead_memio */
5558 /* */
5559 /* Routine Description: */
5560 /* */
5561 /* Test to see if an interrupt is for us */
5562 /* */
5563 /****************************************************************************/
5564 static int
5565 ips_isintr_copperhead_memio(ips_ha_t * ha)
5566 {
5567 uint8_t Isr;
5568
5569 METHOD_TRACE("ips_isintr_memio", 2);
5570
5571 Isr = readb(ha->mem_ptr + IPS_REG_HISR);
5572
5573 if (Isr == 0xFF)
5574 /* ?!?! Nothing really there */
5575 return (0);
5576
5577 if (Isr & IPS_BIT_SCE)
5578 return (1);
5579 else if (Isr & (IPS_BIT_SQO | IPS_BIT_GHI)) {
5580 /* status queue overflow or GHI */
5581 /* just clear the interrupt */
5582 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
5583 }
5584
5585 return (0);
5586 }
5587
5588 /****************************************************************************/
5589 /* */
5590 /* Routine Name: ips_isintr_morpheus */
5591 /* */
5592 /* Routine Description: */
5593 /* */
5594 /* Test to see if an interrupt is for us */
5595 /* */
5596 /****************************************************************************/
5597 static int
5598 ips_isintr_morpheus(ips_ha_t * ha)
5599 {
5600 uint32_t Isr;
5601
5602 METHOD_TRACE("ips_isintr_morpheus", 2);
5603
5604 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
5605
5606 if (Isr & IPS_BIT_I2O_OPQI)
5607 return (1);
5608 else
5609 return (0);
5610 }
5611
5612 /****************************************************************************/
5613 /* */
5614 /* Routine Name: ips_wait */
5615 /* */
5616 /* Routine Description: */
5617 /* */
5618 /* Wait for a command to complete */
5619 /* */
5620 /****************************************************************************/
5621 static int
5622 ips_wait(ips_ha_t * ha, int time, int intr)
5623 {
5624 int ret;
5625 int done;
5626
5627 METHOD_TRACE("ips_wait", 1);
5628
5629 ret = IPS_FAILURE;
5630 done = FALSE;
5631
5632 time *= IPS_ONE_SEC; /* convert seconds */
5633
5634 while ((time > 0) && (!done)) {
5635 if (intr == IPS_INTR_ON) {
5636 if (ha->waitflag == FALSE) {
5637 ret = IPS_SUCCESS;
5638 done = TRUE;
5639 break;
5640 }
5641 } else if (intr == IPS_INTR_IORL) {
5642 if (ha->waitflag == FALSE) {
5643 /*
5644 * controller generated an interrupt to
5645 * acknowledge completion of the command
5646 * and ips_intr() has serviced the interrupt.
5647 */
5648 ret = IPS_SUCCESS;
5649 done = TRUE;
5650 break;
5651 }
5652
5653 /*
5654 * NOTE: we already have the io_request_lock so
5655 * even if we get an interrupt it won't get serviced
5656 * until after we finish.
5657 */
5658
5659 (*ha->func.intr) (ha);
5660 }
5661
5662 /* This looks like a very evil loop, but it only does this during start-up */
5663 udelay(1000);
5664 time--;
5665 }
5666
5667 return (ret);
5668 }
5669
5670 /****************************************************************************/
5671 /* */
5672 /* Routine Name: ips_write_driver_status */
5673 /* */
5674 /* Routine Description: */
5675 /* */
5676 /* Write OS/Driver version to Page 5 of the nvram on the controller */
5677 /* */
5678 /****************************************************************************/
5679 static int
5680 ips_write_driver_status(ips_ha_t * ha, int intr)
5681 {
5682 METHOD_TRACE("ips_write_driver_status", 1);
5683
5684 if (!ips_readwrite_page5(ha, FALSE, intr)) {
5685 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5686 "unable to read NVRAM page 5.\n");
5687
5688 return (0);
5689 }
5690
5691 /* check to make sure the page has a valid */
5692 /* signature */
5693 if (le32_to_cpu(ha->nvram->signature) != IPS_NVRAM_P5_SIG) {
5694 DEBUG_VAR(1,
5695 "(%s%d) NVRAM page 5 has an invalid signature: %X.",
5696 ips_name, ha->host_num, ha->nvram->signature);
5697 ha->nvram->signature = IPS_NVRAM_P5_SIG;
5698 }
5699
5700 DEBUG_VAR(2,
5701 "(%s%d) Ad Type: %d, Ad Slot: %d, BIOS: %c%c%c%c %c%c%c%c.",
5702 ips_name, ha->host_num, le16_to_cpu(ha->nvram->adapter_type),
5703 ha->nvram->adapter_slot, ha->nvram->bios_high[0],
5704 ha->nvram->bios_high[1], ha->nvram->bios_high[2],
5705 ha->nvram->bios_high[3], ha->nvram->bios_low[0],
5706 ha->nvram->bios_low[1], ha->nvram->bios_low[2],
5707 ha->nvram->bios_low[3]);
5708
5709 ips_get_bios_version(ha, intr);
5710
5711 /* change values (as needed) */
5712 ha->nvram->operating_system = IPS_OS_LINUX;
5713 ha->nvram->adapter_type = ha->ad_type;
5714 strncpy((char *) ha->nvram->driver_high, IPS_VERSION_HIGH, 4);
5715 strncpy((char *) ha->nvram->driver_low, IPS_VERSION_LOW, 4);
5716 strncpy((char *) ha->nvram->bios_high, ha->bios_version, 4);
5717 strncpy((char *) ha->nvram->bios_low, ha->bios_version + 4, 4);
5718
5719 ha->nvram->versioning = 0; /* Indicate the Driver Does Not Support Versioning */
5720
5721 /* now update the page */
5722 if (!ips_readwrite_page5(ha, TRUE, intr)) {
5723 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5724 "unable to write NVRAM page 5.\n");
5725
5726 return (0);
5727 }
5728
5729 /* IF NVRAM Page 5 is OK, Use it for Slot Number Info Because Linux Doesn't Do Slots */
5730 ha->slot_num = ha->nvram->adapter_slot;
5731
5732 return (1);
5733 }
5734
5735 /****************************************************************************/
5736 /* */
5737 /* Routine Name: ips_read_adapter_status */
5738 /* */
5739 /* Routine Description: */
5740 /* */
5741 /* Do an Inquiry command to the adapter */
5742 /* */
5743 /****************************************************************************/
5744 static int
5745 ips_read_adapter_status(ips_ha_t * ha, int intr)
5746 {
5747 ips_scb_t *scb;
5748 int ret;
5749
5750 METHOD_TRACE("ips_read_adapter_status", 1);
5751
5752 scb = &ha->scbs[ha->max_cmds - 1];
5753
5754 ips_init_scb(ha, scb);
5755
5756 scb->timeout = ips_cmd_timeout;
5757 scb->cdb[0] = IPS_CMD_ENQUIRY;
5758
5759 scb->cmd.basic_io.op_code = IPS_CMD_ENQUIRY;
5760 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5761 scb->cmd.basic_io.sg_count = 0;
5762 scb->cmd.basic_io.lba = 0;
5763 scb->cmd.basic_io.sector_count = 0;
5764 scb->cmd.basic_io.log_drv = 0;
5765 scb->data_len = sizeof (*ha->enq);
5766 scb->cmd.basic_io.sg_addr = ha->enq_busaddr;
5767
5768 /* send command */
5769 if (((ret =
5770 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5771 || (ret == IPS_SUCCESS_IMM)
5772 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5773 return (0);
5774
5775 return (1);
5776 }
5777
5778 /****************************************************************************/
5779 /* */
5780 /* Routine Name: ips_read_subsystem_parameters */
5781 /* */
5782 /* Routine Description: */
5783 /* */
5784 /* Read subsystem parameters from the adapter */
5785 /* */
5786 /****************************************************************************/
5787 static int
5788 ips_read_subsystem_parameters(ips_ha_t * ha, int intr)
5789 {
5790 ips_scb_t *scb;
5791 int ret;
5792
5793 METHOD_TRACE("ips_read_subsystem_parameters", 1);
5794
5795 scb = &ha->scbs[ha->max_cmds - 1];
5796
5797 ips_init_scb(ha, scb);
5798
5799 scb->timeout = ips_cmd_timeout;
5800 scb->cdb[0] = IPS_CMD_GET_SUBSYS;
5801
5802 scb->cmd.basic_io.op_code = IPS_CMD_GET_SUBSYS;
5803 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5804 scb->cmd.basic_io.sg_count = 0;
5805 scb->cmd.basic_io.lba = 0;
5806 scb->cmd.basic_io.sector_count = 0;
5807 scb->cmd.basic_io.log_drv = 0;
5808 scb->data_len = sizeof (*ha->subsys);
5809 scb->cmd.basic_io.sg_addr = ha->ioctl_busaddr;
5810
5811 /* send command */
5812 if (((ret =
5813 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5814 || (ret == IPS_SUCCESS_IMM)
5815 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5816 return (0);
5817
5818 memcpy(ha->subsys, ha->ioctl_data, sizeof(*ha->subsys));
5819 return (1);
5820 }
5821
5822 /****************************************************************************/
5823 /* */
5824 /* Routine Name: ips_read_config */
5825 /* */
5826 /* Routine Description: */
5827 /* */
5828 /* Read the configuration on the adapter */
5829 /* */
5830 /****************************************************************************/
5831 static int
5832 ips_read_config(ips_ha_t * ha, int intr)
5833 {
5834 ips_scb_t *scb;
5835 int i;
5836 int ret;
5837
5838 METHOD_TRACE("ips_read_config", 1);
5839
5840 /* set defaults for initiator IDs */
5841 for (i = 0; i < 4; i++)
5842 ha->conf->init_id[i] = 7;
5843
5844 scb = &ha->scbs[ha->max_cmds - 1];
5845
5846 ips_init_scb(ha, scb);
5847
5848 scb->timeout = ips_cmd_timeout;
5849 scb->cdb[0] = IPS_CMD_READ_CONF;
5850
5851 scb->cmd.basic_io.op_code = IPS_CMD_READ_CONF;
5852 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5853 scb->data_len = sizeof (*ha->conf);
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
5862 memset(ha->conf, 0, sizeof (IPS_CONF));
5863
5864 /* reset initiator IDs */
5865 for (i = 0; i < 4; i++)
5866 ha->conf->init_id[i] = 7;
5867
5868 /* Allow Completed with Errors, so JCRM can access the Adapter to fix the problems */
5869 if ((scb->basic_status & IPS_GSC_STATUS_MASK) ==
5870 IPS_CMD_CMPLT_WERROR)
5871 return (1);
5872
5873 return (0);
5874 }
5875
5876 memcpy(ha->conf, ha->ioctl_data, sizeof(*ha->conf));
5877 return (1);
5878 }
5879
5880 /****************************************************************************/
5881 /* */
5882 /* Routine Name: ips_readwrite_page5 */
5883 /* */
5884 /* Routine Description: */
5885 /* */
5886 /* Read nvram page 5 from the adapter */
5887 /* */
5888 /****************************************************************************/
5889 static int
5890 ips_readwrite_page5(ips_ha_t * ha, int write, int intr)
5891 {
5892 ips_scb_t *scb;
5893 int ret;
5894
5895 METHOD_TRACE("ips_readwrite_page5", 1);
5896
5897 scb = &ha->scbs[ha->max_cmds - 1];
5898
5899 ips_init_scb(ha, scb);
5900
5901 scb->timeout = ips_cmd_timeout;
5902 scb->cdb[0] = IPS_CMD_RW_NVRAM_PAGE;
5903
5904 scb->cmd.nvram.op_code = IPS_CMD_RW_NVRAM_PAGE;
5905 scb->cmd.nvram.command_id = IPS_COMMAND_ID(ha, scb);
5906 scb->cmd.nvram.page = 5;
5907 scb->cmd.nvram.write = write;
5908 scb->cmd.nvram.reserved = 0;
5909 scb->cmd.nvram.reserved2 = 0;
5910 scb->data_len = sizeof (*ha->nvram);
5911 scb->cmd.nvram.buffer_addr = ha->ioctl_busaddr;
5912 if (write)
5913 memcpy(ha->ioctl_data, ha->nvram, sizeof(*ha->nvram));
5914
5915 /* issue the command */
5916 if (((ret =
5917 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5918 || (ret == IPS_SUCCESS_IMM)
5919 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) {
5920
5921 memset(ha->nvram, 0, sizeof (IPS_NVRAM_P5));
5922
5923 return (0);
5924 }
5925 if (!write)
5926 memcpy(ha->nvram, ha->ioctl_data, sizeof(*ha->nvram));
5927 return (1);
5928 }
5929
5930 /****************************************************************************/
5931 /* */
5932 /* Routine Name: ips_clear_adapter */
5933 /* */
5934 /* Routine Description: */
5935 /* */
5936 /* Clear the stripe lock tables */
5937 /* */
5938 /****************************************************************************/
5939 static int
5940 ips_clear_adapter(ips_ha_t * ha, int intr)
5941 {
5942 ips_scb_t *scb;
5943 int ret;
5944
5945 METHOD_TRACE("ips_clear_adapter", 1);
5946
5947 scb = &ha->scbs[ha->max_cmds - 1];
5948
5949 ips_init_scb(ha, scb);
5950
5951 scb->timeout = ips_reset_timeout;
5952 scb->cdb[0] = IPS_CMD_CONFIG_SYNC;
5953
5954 scb->cmd.config_sync.op_code = IPS_CMD_CONFIG_SYNC;
5955 scb->cmd.config_sync.command_id = IPS_COMMAND_ID(ha, scb);
5956 scb->cmd.config_sync.channel = 0;
5957 scb->cmd.config_sync.source_target = IPS_POCL;
5958 scb->cmd.config_sync.reserved = 0;
5959 scb->cmd.config_sync.reserved2 = 0;
5960 scb->cmd.config_sync.reserved3 = 0;
5961
5962 /* issue command */
5963 if (((ret =
5964 ips_send_wait(ha, scb, ips_reset_timeout, intr)) == IPS_FAILURE)
5965 || (ret == IPS_SUCCESS_IMM)
5966 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5967 return (0);
5968
5969 /* send unlock stripe command */
5970 ips_init_scb(ha, scb);
5971
5972 scb->cdb[0] = IPS_CMD_ERROR_TABLE;
5973 scb->timeout = ips_reset_timeout;
5974
5975 scb->cmd.unlock_stripe.op_code = IPS_CMD_ERROR_TABLE;
5976 scb->cmd.unlock_stripe.command_id = IPS_COMMAND_ID(ha, scb);
5977 scb->cmd.unlock_stripe.log_drv = 0;
5978 scb->cmd.unlock_stripe.control = IPS_CSL;
5979 scb->cmd.unlock_stripe.reserved = 0;
5980 scb->cmd.unlock_stripe.reserved2 = 0;
5981 scb->cmd.unlock_stripe.reserved3 = 0;
5982
5983 /* issue command */
5984 if (((ret =
5985 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5986 || (ret == IPS_SUCCESS_IMM)
5987 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5988 return (0);
5989
5990 return (1);
5991 }
5992
5993 /****************************************************************************/
5994 /* */
5995 /* Routine Name: ips_ffdc_reset */
5996 /* */
5997 /* Routine Description: */
5998 /* */
5999 /* FFDC: write reset info */
6000 /* */
6001 /****************************************************************************/
6002 static void
6003 ips_ffdc_reset(ips_ha_t * ha, int intr)
6004 {
6005 ips_scb_t *scb;
6006
6007 METHOD_TRACE("ips_ffdc_reset", 1);
6008
6009 scb = &ha->scbs[ha->max_cmds - 1];
6010
6011 ips_init_scb(ha, scb);
6012
6013 scb->timeout = ips_cmd_timeout;
6014 scb->cdb[0] = IPS_CMD_FFDC;
6015 scb->cmd.ffdc.op_code = IPS_CMD_FFDC;
6016 scb->cmd.ffdc.command_id = IPS_COMMAND_ID(ha, scb);
6017 scb->cmd.ffdc.reset_count = ha->reset_count;
6018 scb->cmd.ffdc.reset_type = 0x80;
6019
6020 /* convert time to what the card wants */
6021 ips_fix_ffdc_time(ha, scb, ha->last_ffdc);
6022
6023 /* issue command */
6024 ips_send_wait(ha, scb, ips_cmd_timeout, intr);
6025 }
6026
6027 /****************************************************************************/
6028 /* */
6029 /* Routine Name: ips_ffdc_time */
6030 /* */
6031 /* Routine Description: */
6032 /* */
6033 /* FFDC: write time info */
6034 /* */
6035 /****************************************************************************/
6036 static void
6037 ips_ffdc_time(ips_ha_t * ha)
6038 {
6039 ips_scb_t *scb;
6040
6041 METHOD_TRACE("ips_ffdc_time", 1);
6042
6043 DEBUG_VAR(1, "(%s%d) Sending time update.", ips_name, ha->host_num);
6044
6045 scb = &ha->scbs[ha->max_cmds - 1];
6046
6047 ips_init_scb(ha, scb);
6048
6049 scb->timeout = ips_cmd_timeout;
6050 scb->cdb[0] = IPS_CMD_FFDC;
6051 scb->cmd.ffdc.op_code = IPS_CMD_FFDC;
6052 scb->cmd.ffdc.command_id = IPS_COMMAND_ID(ha, scb);
6053 scb->cmd.ffdc.reset_count = 0;
6054 scb->cmd.ffdc.reset_type = 0;
6055
6056 /* convert time to what the card wants */
6057 ips_fix_ffdc_time(ha, scb, ha->last_ffdc);
6058
6059 /* issue command */
6060 ips_send_wait(ha, scb, ips_cmd_timeout, IPS_FFDC);
6061 }
6062
6063 /****************************************************************************/
6064 /* */
6065 /* Routine Name: ips_fix_ffdc_time */
6066 /* */
6067 /* Routine Description: */
6068 /* Adjust time_t to what the card wants */
6069 /* */
6070 /****************************************************************************/
6071 static void
6072 ips_fix_ffdc_time(ips_ha_t * ha, ips_scb_t * scb, time_t current_time)
6073 {
6074 long days;
6075 long rem;
6076 int i;
6077 int year;
6078 int yleap;
6079 int year_lengths[2] = { IPS_DAYS_NORMAL_YEAR, IPS_DAYS_LEAP_YEAR };
6080 int month_lengths[12][2] = { {31, 31},
6081 {28, 29},
6082 {31, 31},
6083 {30, 30},
6084 {31, 31},
6085 {30, 30},
6086 {31, 31},
6087 {31, 31},
6088 {30, 30},
6089 {31, 31},
6090 {30, 30},
6091 {31, 31}
6092 };
6093
6094 METHOD_TRACE("ips_fix_ffdc_time", 1);
6095
6096 days = current_time / IPS_SECS_DAY;
6097 rem = current_time % IPS_SECS_DAY;
6098
6099 scb->cmd.ffdc.hour = (rem / IPS_SECS_HOUR);
6100 rem = rem % IPS_SECS_HOUR;
6101 scb->cmd.ffdc.minute = (rem / IPS_SECS_MIN);
6102 scb->cmd.ffdc.second = (rem % IPS_SECS_MIN);
6103
6104 year = IPS_EPOCH_YEAR;
6105 while (days < 0 || days >= year_lengths[yleap = IPS_IS_LEAP_YEAR(year)]) {
6106 int newy;
6107
6108 newy = year + (days / IPS_DAYS_NORMAL_YEAR);
6109 if (days < 0)
6110 --newy;
6111 days -= (newy - year) * IPS_DAYS_NORMAL_YEAR +
6112 IPS_NUM_LEAP_YEARS_THROUGH(newy - 1) -
6113 IPS_NUM_LEAP_YEARS_THROUGH(year - 1);
6114 year = newy;
6115 }
6116
6117 scb->cmd.ffdc.yearH = year / 100;
6118 scb->cmd.ffdc.yearL = year % 100;
6119
6120 for (i = 0; days >= month_lengths[i][yleap]; ++i)
6121 days -= month_lengths[i][yleap];
6122
6123 scb->cmd.ffdc.month = i + 1;
6124 scb->cmd.ffdc.day = days + 1;
6125 }
6126
6127 /****************************************************************************
6128 * BIOS Flash Routines *
6129 ****************************************************************************/
6130
6131 /****************************************************************************/
6132 /* */
6133 /* Routine Name: ips_erase_bios */
6134 /* */
6135 /* Routine Description: */
6136 /* Erase the BIOS on the adapter */
6137 /* */
6138 /****************************************************************************/
6139 static int
6140 ips_erase_bios(ips_ha_t * ha)
6141 {
6142 int timeout;
6143 uint8_t status = 0;
6144
6145 METHOD_TRACE("ips_erase_bios", 1);
6146
6147 status = 0;
6148
6149 /* Clear the status register */
6150 outl(0, ha->io_addr + IPS_REG_FLAP);
6151 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6152 udelay(25); /* 25 us */
6153
6154 outb(0x50, ha->io_addr + IPS_REG_FLDP);
6155 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6156 udelay(25); /* 25 us */
6157
6158 /* Erase Setup */
6159 outb(0x20, ha->io_addr + IPS_REG_FLDP);
6160 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6161 udelay(25); /* 25 us */
6162
6163 /* Erase Confirm */
6164 outb(0xD0, ha->io_addr + IPS_REG_FLDP);
6165 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6166 udelay(25); /* 25 us */
6167
6168 /* Erase Status */
6169 outb(0x70, ha->io_addr + IPS_REG_FLDP);
6170 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6171 udelay(25); /* 25 us */
6172
6173 timeout = 80000; /* 80 seconds */
6174
6175 while (timeout > 0) {
6176 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6177 outl(0, ha->io_addr + IPS_REG_FLAP);
6178 udelay(25); /* 25 us */
6179 }
6180
6181 status = inb(ha->io_addr + IPS_REG_FLDP);
6182
6183 if (status & 0x80)
6184 break;
6185
6186 MDELAY(1);
6187 timeout--;
6188 }
6189
6190 /* check for timeout */
6191 if (timeout <= 0) {
6192 /* timeout */
6193
6194 /* try to suspend the erase */
6195 outb(0xB0, ha->io_addr + IPS_REG_FLDP);
6196 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6197 udelay(25); /* 25 us */
6198
6199 /* wait for 10 seconds */
6200 timeout = 10000;
6201 while (timeout > 0) {
6202 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6203 outl(0, ha->io_addr + IPS_REG_FLAP);
6204 udelay(25); /* 25 us */
6205 }
6206
6207 status = inb(ha->io_addr + IPS_REG_FLDP);
6208
6209 if (status & 0xC0)
6210 break;
6211
6212 MDELAY(1);
6213 timeout--;
6214 }
6215
6216 return (1);
6217 }
6218
6219 /* check for valid VPP */
6220 if (status & 0x08)
6221 /* VPP failure */
6222 return (1);
6223
6224 /* check for successful flash */
6225 if (status & 0x30)
6226 /* sequence error */
6227 return (1);
6228
6229 /* Otherwise, we were successful */
6230 /* clear status */
6231 outb(0x50, ha->io_addr + IPS_REG_FLDP);
6232 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6233 udelay(25); /* 25 us */
6234
6235 /* enable reads */
6236 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6237 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6238 udelay(25); /* 25 us */
6239
6240 return (0);
6241 }
6242
6243 /****************************************************************************/
6244 /* */
6245 /* Routine Name: ips_erase_bios_memio */
6246 /* */
6247 /* Routine Description: */
6248 /* Erase the BIOS on the adapter */
6249 /* */
6250 /****************************************************************************/
6251 static int
6252 ips_erase_bios_memio(ips_ha_t * ha)
6253 {
6254 int timeout;
6255 uint8_t status;
6256
6257 METHOD_TRACE("ips_erase_bios_memio", 1);
6258
6259 status = 0;
6260
6261 /* Clear the status register */
6262 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6263 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6264 udelay(25); /* 25 us */
6265
6266 writeb(0x50, ha->mem_ptr + IPS_REG_FLDP);
6267 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6268 udelay(25); /* 25 us */
6269
6270 /* Erase Setup */
6271 writeb(0x20, ha->mem_ptr + IPS_REG_FLDP);
6272 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6273 udelay(25); /* 25 us */
6274
6275 /* Erase Confirm */
6276 writeb(0xD0, ha->mem_ptr + IPS_REG_FLDP);
6277 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6278 udelay(25); /* 25 us */
6279
6280 /* Erase Status */
6281 writeb(0x70, ha->mem_ptr + IPS_REG_FLDP);
6282 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6283 udelay(25); /* 25 us */
6284
6285 timeout = 80000; /* 80 seconds */
6286
6287 while (timeout > 0) {
6288 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6289 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6290 udelay(25); /* 25 us */
6291 }
6292
6293 status = readb(ha->mem_ptr + IPS_REG_FLDP);
6294
6295 if (status & 0x80)
6296 break;
6297
6298 MDELAY(1);
6299 timeout--;
6300 }
6301
6302 /* check for timeout */
6303 if (timeout <= 0) {
6304 /* timeout */
6305
6306 /* try to suspend the erase */
6307 writeb(0xB0, ha->mem_ptr + IPS_REG_FLDP);
6308 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6309 udelay(25); /* 25 us */
6310
6311 /* wait for 10 seconds */
6312 timeout = 10000;
6313 while (timeout > 0) {
6314 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6315 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6316 udelay(25); /* 25 us */
6317 }
6318
6319 status = readb(ha->mem_ptr + IPS_REG_FLDP);
6320
6321 if (status & 0xC0)
6322 break;
6323
6324 MDELAY(1);
6325 timeout--;
6326 }
6327
6328 return (1);
6329 }
6330
6331 /* check for valid VPP */
6332 if (status & 0x08)
6333 /* VPP failure */
6334 return (1);
6335
6336 /* check for successful flash */
6337 if (status & 0x30)
6338 /* sequence error */
6339 return (1);
6340
6341 /* Otherwise, we were successful */
6342 /* clear status */
6343 writeb(0x50, ha->mem_ptr + IPS_REG_FLDP);
6344 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6345 udelay(25); /* 25 us */
6346
6347 /* enable reads */
6348 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6349 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6350 udelay(25); /* 25 us */
6351
6352 return (0);
6353 }
6354
6355 /****************************************************************************/
6356 /* */
6357 /* Routine Name: ips_program_bios */
6358 /* */
6359 /* Routine Description: */
6360 /* Program the BIOS on the adapter */
6361 /* */
6362 /****************************************************************************/
6363 static int
6364 ips_program_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6365 uint32_t offset)
6366 {
6367 int i;
6368 int timeout;
6369 uint8_t status = 0;
6370
6371 METHOD_TRACE("ips_program_bios", 1);
6372
6373 status = 0;
6374
6375 for (i = 0; i < buffersize; i++) {
6376 /* write a byte */
6377 outl(i + offset, ha->io_addr + IPS_REG_FLAP);
6378 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6379 udelay(25); /* 25 us */
6380
6381 outb(0x40, ha->io_addr + IPS_REG_FLDP);
6382 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6383 udelay(25); /* 25 us */
6384
6385 outb(buffer[i], ha->io_addr + IPS_REG_FLDP);
6386 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6387 udelay(25); /* 25 us */
6388
6389 /* wait up to one second */
6390 timeout = 1000;
6391 while (timeout > 0) {
6392 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6393 outl(0, ha->io_addr + IPS_REG_FLAP);
6394 udelay(25); /* 25 us */
6395 }
6396
6397 status = inb(ha->io_addr + IPS_REG_FLDP);
6398
6399 if (status & 0x80)
6400 break;
6401
6402 MDELAY(1);
6403 timeout--;
6404 }
6405
6406 if (timeout == 0) {
6407 /* timeout error */
6408 outl(0, ha->io_addr + IPS_REG_FLAP);
6409 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6410 udelay(25); /* 25 us */
6411
6412 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6413 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6414 udelay(25); /* 25 us */
6415
6416 return (1);
6417 }
6418
6419 /* check the status */
6420 if (status & 0x18) {
6421 /* programming error */
6422 outl(0, ha->io_addr + IPS_REG_FLAP);
6423 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6424 udelay(25); /* 25 us */
6425
6426 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6427 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6428 udelay(25); /* 25 us */
6429
6430 return (1);
6431 }
6432 } /* end for */
6433
6434 /* Enable reading */
6435 outl(0, ha->io_addr + IPS_REG_FLAP);
6436 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6437 udelay(25); /* 25 us */
6438
6439 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6440 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6441 udelay(25); /* 25 us */
6442
6443 return (0);
6444 }
6445
6446 /****************************************************************************/
6447 /* */
6448 /* Routine Name: ips_program_bios_memio */
6449 /* */
6450 /* Routine Description: */
6451 /* Program the BIOS on the adapter */
6452 /* */
6453 /****************************************************************************/
6454 static int
6455 ips_program_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6456 uint32_t offset)
6457 {
6458 int i;
6459 int timeout;
6460 uint8_t status = 0;
6461
6462 METHOD_TRACE("ips_program_bios_memio", 1);
6463
6464 status = 0;
6465
6466 for (i = 0; i < buffersize; i++) {
6467 /* write a byte */
6468 writel(i + offset, ha->mem_ptr + IPS_REG_FLAP);
6469 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6470 udelay(25); /* 25 us */
6471
6472 writeb(0x40, ha->mem_ptr + IPS_REG_FLDP);
6473 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6474 udelay(25); /* 25 us */
6475
6476 writeb(buffer[i], ha->mem_ptr + IPS_REG_FLDP);
6477 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6478 udelay(25); /* 25 us */
6479
6480 /* wait up to one second */
6481 timeout = 1000;
6482 while (timeout > 0) {
6483 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6484 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6485 udelay(25); /* 25 us */
6486 }
6487
6488 status = readb(ha->mem_ptr + IPS_REG_FLDP);
6489
6490 if (status & 0x80)
6491 break;
6492
6493 MDELAY(1);
6494 timeout--;
6495 }
6496
6497 if (timeout == 0) {
6498 /* timeout error */
6499 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6500 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6501 udelay(25); /* 25 us */
6502
6503 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6504 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6505 udelay(25); /* 25 us */
6506
6507 return (1);
6508 }
6509
6510 /* check the status */
6511 if (status & 0x18) {
6512 /* programming error */
6513 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6514 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6515 udelay(25); /* 25 us */
6516
6517 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6518 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6519 udelay(25); /* 25 us */
6520
6521 return (1);
6522 }
6523 } /* end for */
6524
6525 /* Enable reading */
6526 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6527 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6528 udelay(25); /* 25 us */
6529
6530 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6531 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6532 udelay(25); /* 25 us */
6533
6534 return (0);
6535 }
6536
6537 /****************************************************************************/
6538 /* */
6539 /* Routine Name: ips_verify_bios */
6540 /* */
6541 /* Routine Description: */
6542 /* Verify the BIOS on the adapter */
6543 /* */
6544 /****************************************************************************/
6545 static int
6546 ips_verify_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6547 uint32_t offset)
6548 {
6549 uint8_t checksum;
6550 int i;
6551
6552 METHOD_TRACE("ips_verify_bios", 1);
6553
6554 /* test 1st byte */
6555 outl(0, ha->io_addr + IPS_REG_FLAP);
6556 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6557 udelay(25); /* 25 us */
6558
6559 if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55)
6560 return (1);
6561
6562 outl(1, ha->io_addr + IPS_REG_FLAP);
6563 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6564 udelay(25); /* 25 us */
6565 if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA)
6566 return (1);
6567
6568 checksum = 0xff;
6569 for (i = 2; i < buffersize; i++) {
6570
6571 outl(i + offset, ha->io_addr + IPS_REG_FLAP);
6572 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6573 udelay(25); /* 25 us */
6574
6575 checksum = (uint8_t) checksum + inb(ha->io_addr + IPS_REG_FLDP);
6576 }
6577
6578 if (checksum != 0)
6579 /* failure */
6580 return (1);
6581 else
6582 /* success */
6583 return (0);
6584 }
6585
6586 /****************************************************************************/
6587 /* */
6588 /* Routine Name: ips_verify_bios_memio */
6589 /* */
6590 /* Routine Description: */
6591 /* Verify the BIOS on the adapter */
6592 /* */
6593 /****************************************************************************/
6594 static int
6595 ips_verify_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6596 uint32_t offset)
6597 {
6598 uint8_t checksum;
6599 int i;
6600
6601 METHOD_TRACE("ips_verify_bios_memio", 1);
6602
6603 /* test 1st byte */
6604 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6605 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6606 udelay(25); /* 25 us */
6607
6608 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0x55)
6609 return (1);
6610
6611 writel(1, ha->mem_ptr + IPS_REG_FLAP);
6612 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6613 udelay(25); /* 25 us */
6614 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA)
6615 return (1);
6616
6617 checksum = 0xff;
6618 for (i = 2; i < buffersize; i++) {
6619
6620 writel(i + offset, ha->mem_ptr + IPS_REG_FLAP);
6621 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6622 udelay(25); /* 25 us */
6623
6624 checksum =
6625 (uint8_t) checksum + readb(ha->mem_ptr + IPS_REG_FLDP);
6626 }
6627
6628 if (checksum != 0)
6629 /* failure */
6630 return (1);
6631 else
6632 /* success */
6633 return (0);
6634 }
6635
6636 /****************************************************************************/
6637 /* */
6638 /* Routine Name: ips_abort_init */
6639 /* */
6640 /* Routine Description: */
6641 /* cleanup routine for a failed adapter initialization */
6642 /****************************************************************************/
6643 static int
6644 ips_abort_init(ips_ha_t * ha, int index)
6645 {
6646 ha->active = 0;
6647 ips_free(ha);
6648 ips_ha[index] = NULL;
6649 ips_sh[index] = NULL;
6650 return -1;
6651 }
6652
6653 /****************************************************************************/
6654 /* */
6655 /* Routine Name: ips_shift_controllers */
6656 /* */
6657 /* Routine Description: */
6658 /* helper function for ordering adapters */
6659 /****************************************************************************/
6660 static void
6661 ips_shift_controllers(int lowindex, int highindex)
6662 {
6663 ips_ha_t *ha_sav = ips_ha[highindex];
6664 struct Scsi_Host *sh_sav = ips_sh[highindex];
6665 int i;
6666
6667 for (i = highindex; i > lowindex; i--) {
6668 ips_ha[i] = ips_ha[i - 1];
6669 ips_sh[i] = ips_sh[i - 1];
6670 ips_ha[i]->host_num = i;
6671 }
6672 ha_sav->host_num = lowindex;
6673 ips_ha[lowindex] = ha_sav;
6674 ips_sh[lowindex] = sh_sav;
6675 }
6676
6677 /****************************************************************************/
6678 /* */
6679 /* Routine Name: ips_order_controllers */
6680 /* */
6681 /* Routine Description: */
6682 /* place controllers is the "proper" boot order */
6683 /****************************************************************************/
6684 static void
6685 ips_order_controllers(void)
6686 {
6687 int i, j, tmp, position = 0;
6688 IPS_NVRAM_P5 *nvram;
6689 if (!ips_ha[0])
6690 return;
6691 nvram = ips_ha[0]->nvram;
6692
6693 if (nvram->adapter_order[0]) {
6694 for (i = 1; i <= nvram->adapter_order[0]; i++) {
6695 for (j = position; j < ips_num_controllers; j++) {
6696 switch (ips_ha[j]->ad_type) {
6697 case IPS_ADTYPE_SERVERAID6M:
6698 case IPS_ADTYPE_SERVERAID7M:
6699 if (nvram->adapter_order[i] == 'M') {
6700 ips_shift_controllers(position,
6701 j);
6702 position++;
6703 }
6704 break;
6705 case IPS_ADTYPE_SERVERAID4L:
6706 case IPS_ADTYPE_SERVERAID4M:
6707 case IPS_ADTYPE_SERVERAID4MX:
6708 case IPS_ADTYPE_SERVERAID4LX:
6709 if (nvram->adapter_order[i] == 'N') {
6710 ips_shift_controllers(position,
6711 j);
6712 position++;
6713 }
6714 break;
6715 case IPS_ADTYPE_SERVERAID6I:
6716 case IPS_ADTYPE_SERVERAID5I2:
6717 case IPS_ADTYPE_SERVERAID5I1:
6718 case IPS_ADTYPE_SERVERAID7k:
6719 if (nvram->adapter_order[i] == 'S') {
6720 ips_shift_controllers(position,
6721 j);
6722 position++;
6723 }
6724 break;
6725 case IPS_ADTYPE_SERVERAID:
6726 case IPS_ADTYPE_SERVERAID2:
6727 case IPS_ADTYPE_NAVAJO:
6728 case IPS_ADTYPE_KIOWA:
6729 case IPS_ADTYPE_SERVERAID3L:
6730 case IPS_ADTYPE_SERVERAID3:
6731 case IPS_ADTYPE_SERVERAID4H:
6732 if (nvram->adapter_order[i] == 'A') {
6733 ips_shift_controllers(position,
6734 j);
6735 position++;
6736 }
6737 break;
6738 default:
6739 break;
6740 }
6741 }
6742 }
6743 /* if adapter_order[0], then ordering is complete */
6744 return;
6745 }
6746 /* old bios, use older ordering */
6747 tmp = 0;
6748 for (i = position; i < ips_num_controllers; i++) {
6749 if (ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID5I2 ||
6750 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID5I1) {
6751 ips_shift_controllers(position, i);
6752 position++;
6753 tmp = 1;
6754 }
6755 }
6756 /* if there were no 5I cards, then don't do any extra ordering */
6757 if (!tmp)
6758 return;
6759 for (i = position; i < ips_num_controllers; i++) {
6760 if (ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4L ||
6761 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4M ||
6762 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4LX ||
6763 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4MX) {
6764 ips_shift_controllers(position, i);
6765 position++;
6766 }
6767 }
6768
6769 return;
6770 }
6771
6772 /****************************************************************************/
6773 /* */
6774 /* Routine Name: ips_register_scsi */
6775 /* */
6776 /* Routine Description: */
6777 /* perform any registration and setup with the scsi layer */
6778 /****************************************************************************/
6779 static int
6780 ips_register_scsi(int index)
6781 {
6782 struct Scsi_Host *sh;
6783 ips_ha_t *ha, *oldha = ips_ha[index];
6784 sh = scsi_host_alloc(&ips_driver_template, sizeof (ips_ha_t));
6785 if (!sh) {
6786 IPS_PRINTK(KERN_WARNING, oldha->pcidev,
6787 "Unable to register controller with SCSI subsystem\n");
6788 return -1;
6789 }
6790 ha = IPS_HA(sh);
6791 memcpy(ha, oldha, sizeof (ips_ha_t));
6792 free_irq(oldha->pcidev->irq, oldha);
6793 /* Install the interrupt handler with the new ha */
6794 if (request_irq(ha->pcidev->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) {
6795 IPS_PRINTK(KERN_WARNING, ha->pcidev,
6796 "Unable to install interrupt handler\n");
6797 goto err_out_sh;
6798 }
6799
6800 kfree(oldha);
6801
6802 /* Store away needed values for later use */
6803 sh->unique_id = (ha->io_addr) ? ha->io_addr : ha->mem_addr;
6804 sh->sg_tablesize = sh->hostt->sg_tablesize;
6805 sh->can_queue = sh->hostt->can_queue;
6806 sh->cmd_per_lun = sh->hostt->cmd_per_lun;
6807 sh->use_clustering = sh->hostt->use_clustering;
6808 sh->max_sectors = 128;
6809
6810 sh->max_id = ha->ntargets;
6811 sh->max_lun = ha->nlun;
6812 sh->max_channel = ha->nbus - 1;
6813 sh->can_queue = ha->max_cmds - 1;
6814
6815 if (scsi_add_host(sh, &ha->pcidev->dev))
6816 goto err_out;
6817
6818 ips_sh[index] = sh;
6819 ips_ha[index] = ha;
6820
6821 scsi_scan_host(sh);
6822
6823 return 0;
6824
6825 err_out:
6826 free_irq(ha->pcidev->irq, ha);
6827 err_out_sh:
6828 scsi_host_put(sh);
6829 return -1;
6830 }
6831
6832 /*---------------------------------------------------------------------------*/
6833 /* Routine Name: ips_remove_device */
6834 /* */
6835 /* Routine Description: */
6836 /* Remove one Adapter ( Hot Plugging ) */
6837 /*---------------------------------------------------------------------------*/
6838 static void __devexit
6839 ips_remove_device(struct pci_dev *pci_dev)
6840 {
6841 struct Scsi_Host *sh = pci_get_drvdata(pci_dev);
6842
6843 pci_set_drvdata(pci_dev, NULL);
6844
6845 ips_release(sh);
6846
6847 pci_release_regions(pci_dev);
6848 pci_disable_device(pci_dev);
6849 }
6850
6851 /****************************************************************************/
6852 /* */
6853 /* Routine Name: ips_module_init */
6854 /* */
6855 /* Routine Description: */
6856 /* function called on module load */
6857 /****************************************************************************/
6858 static int __init
6859 ips_module_init(void)
6860 {
6861 if (pci_register_driver(&ips_pci_driver) < 0)
6862 return -ENODEV;
6863 ips_driver_template.module = THIS_MODULE;
6864 ips_order_controllers();
6865 if (!ips_detect(&ips_driver_template)) {
6866 pci_unregister_driver(&ips_pci_driver);
6867 return -ENODEV;
6868 }
6869 register_reboot_notifier(&ips_notifier);
6870 return 0;
6871 }
6872
6873 /****************************************************************************/
6874 /* */
6875 /* Routine Name: ips_module_exit */
6876 /* */
6877 /* Routine Description: */
6878 /* function called on module unload */
6879 /****************************************************************************/
6880 static void __exit
6881 ips_module_exit(void)
6882 {
6883 pci_unregister_driver(&ips_pci_driver);
6884 unregister_reboot_notifier(&ips_notifier);
6885 }
6886
6887 module_init(ips_module_init);
6888 module_exit(ips_module_exit);
6889
6890 /*---------------------------------------------------------------------------*/
6891 /* Routine Name: ips_insert_device */
6892 /* */
6893 /* Routine Description: */
6894 /* Add One Adapter ( Hot Plug ) */
6895 /* */
6896 /* Return Value: */
6897 /* 0 if Successful, else non-zero */
6898 /*---------------------------------------------------------------------------*/
6899 static int __devinit
6900 ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent)
6901 {
6902 int index = -1;
6903 int rc;
6904
6905 METHOD_TRACE("ips_insert_device", 1);
6906 rc = pci_enable_device(pci_dev);
6907 if (rc)
6908 return rc;
6909
6910 rc = pci_request_regions(pci_dev, "ips");
6911 if (rc)
6912 goto err_out;
6913
6914 rc = ips_init_phase1(pci_dev, &index);
6915 if (rc == SUCCESS)
6916 rc = ips_init_phase2(index);
6917
6918 if (ips_hotplug)
6919 if (ips_register_scsi(index)) {
6920 ips_free(ips_ha[index]);
6921 rc = -1;
6922 }
6923
6924 if (rc == SUCCESS)
6925 ips_num_controllers++;
6926
6927 ips_next_controller = ips_num_controllers;
6928
6929 if (rc < 0) {
6930 rc = -ENODEV;
6931 goto err_out_regions;
6932 }
6933
6934 pci_set_drvdata(pci_dev, ips_sh[index]);
6935 return 0;
6936
6937 err_out_regions:
6938 pci_release_regions(pci_dev);
6939 err_out:
6940 pci_disable_device(pci_dev);
6941 return rc;
6942 }
6943
6944 /*---------------------------------------------------------------------------*/
6945 /* Routine Name: ips_init_phase1 */
6946 /* */
6947 /* Routine Description: */
6948 /* Adapter Initialization */
6949 /* */
6950 /* Return Value: */
6951 /* 0 if Successful, else non-zero */
6952 /*---------------------------------------------------------------------------*/
6953 static int
6954 ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr)
6955 {
6956 ips_ha_t *ha;
6957 uint32_t io_addr;
6958 uint32_t mem_addr;
6959 uint32_t io_len;
6960 uint32_t mem_len;
6961 uint8_t bus;
6962 uint8_t func;
6963 int j;
6964 int index;
6965 dma_addr_t dma_address;
6966 char __iomem *ioremap_ptr;
6967 char __iomem *mem_ptr;
6968 uint32_t IsDead;
6969
6970 METHOD_TRACE("ips_init_phase1", 1);
6971 index = IPS_MAX_ADAPTERS;
6972 for (j = 0; j < IPS_MAX_ADAPTERS; j++) {
6973 if (ips_ha[j] == NULL) {
6974 index = j;
6975 break;
6976 }
6977 }
6978
6979 if (index >= IPS_MAX_ADAPTERS)
6980 return -1;
6981
6982 /* stuff that we get in dev */
6983 bus = pci_dev->bus->number;
6984 func = pci_dev->devfn;
6985
6986 /* Init MEM/IO addresses to 0 */
6987 mem_addr = 0;
6988 io_addr = 0;
6989 mem_len = 0;
6990 io_len = 0;
6991
6992 for (j = 0; j < 2; j++) {
6993 if (!pci_resource_start(pci_dev, j))
6994 break;
6995
6996 if (pci_resource_flags(pci_dev, j) & IORESOURCE_IO) {
6997 io_addr = pci_resource_start(pci_dev, j);
6998 io_len = pci_resource_len(pci_dev, j);
6999 } else {
7000 mem_addr = pci_resource_start(pci_dev, j);
7001 mem_len = pci_resource_len(pci_dev, j);
7002 }
7003 }
7004
7005 /* setup memory mapped area (if applicable) */
7006 if (mem_addr) {
7007 uint32_t base;
7008 uint32_t offs;
7009
7010 base = mem_addr & PAGE_MASK;
7011 offs = mem_addr - base;
7012 ioremap_ptr = ioremap(base, PAGE_SIZE);
7013 if (!ioremap_ptr)
7014 return -1;
7015 mem_ptr = ioremap_ptr + offs;
7016 } else {
7017 ioremap_ptr = NULL;
7018 mem_ptr = NULL;
7019 }
7020
7021 /* found a controller */
7022 ha = kzalloc(sizeof (ips_ha_t), GFP_KERNEL);
7023 if (ha == NULL) {
7024 IPS_PRINTK(KERN_WARNING, pci_dev,
7025 "Unable to allocate temporary ha struct\n");
7026 return -1;
7027 }
7028
7029 ips_sh[index] = NULL;
7030 ips_ha[index] = ha;
7031 ha->active = 1;
7032
7033 /* Store info in HA structure */
7034 ha->io_addr = io_addr;
7035 ha->io_len = io_len;
7036 ha->mem_addr = mem_addr;
7037 ha->mem_len = mem_len;
7038 ha->mem_ptr = mem_ptr;
7039 ha->ioremap_ptr = ioremap_ptr;
7040 ha->host_num = (uint32_t) index;
7041 ha->slot_num = PCI_SLOT(pci_dev->devfn);
7042 ha->pcidev = pci_dev;
7043
7044 /*
7045 * Set the pci_dev's dma_mask. Not all adapters support 64bit
7046 * addressing so don't enable it if the adapter can't support
7047 * it! Also, don't use 64bit addressing if dma addresses
7048 * are guaranteed to be < 4G.
7049 */
7050 if (IPS_ENABLE_DMA64 && IPS_HAS_ENH_SGLIST(ha) &&
7051 !pci_set_dma_mask(ha->pcidev, DMA_BIT_MASK(64))) {
7052 (ha)->flags |= IPS_HA_ENH_SG;
7053 } else {
7054 if (pci_set_dma_mask(ha->pcidev, DMA_BIT_MASK(32)) != 0) {
7055 printk(KERN_WARNING "Unable to set DMA Mask\n");
7056 return ips_abort_init(ha, index);
7057 }
7058 }
7059 if(ips_cd_boot && !ips_FlashData){
7060 ips_FlashData = pci_alloc_consistent(pci_dev, PAGE_SIZE << 7,
7061 &ips_flashbusaddr);
7062 }
7063
7064 ha->enq = pci_alloc_consistent(pci_dev, sizeof (IPS_ENQ),
7065 &ha->enq_busaddr);
7066 if (!ha->enq) {
7067 IPS_PRINTK(KERN_WARNING, pci_dev,
7068 "Unable to allocate host inquiry structure\n");
7069 return ips_abort_init(ha, index);
7070 }
7071
7072 ha->adapt = pci_alloc_consistent(pci_dev, sizeof (IPS_ADAPTER) +
7073 sizeof (IPS_IO_CMD), &dma_address);
7074 if (!ha->adapt) {
7075 IPS_PRINTK(KERN_WARNING, pci_dev,
7076 "Unable to allocate host adapt & dummy structures\n");
7077 return ips_abort_init(ha, index);
7078 }
7079 ha->adapt->hw_status_start = dma_address;
7080 ha->dummy = (void *) (ha->adapt + 1);
7081
7082
7083
7084 ha->logical_drive_info = pci_alloc_consistent(pci_dev, sizeof (IPS_LD_INFO), &dma_address);
7085 if (!ha->logical_drive_info) {
7086 IPS_PRINTK(KERN_WARNING, pci_dev,
7087 "Unable to allocate logical drive info structure\n");
7088 return ips_abort_init(ha, index);
7089 }
7090 ha->logical_drive_info_dma_addr = dma_address;
7091
7092
7093 ha->conf = kmalloc(sizeof (IPS_CONF), GFP_KERNEL);
7094
7095 if (!ha->conf) {
7096 IPS_PRINTK(KERN_WARNING, pci_dev,
7097 "Unable to allocate host conf structure\n");
7098 return ips_abort_init(ha, index);
7099 }
7100
7101 ha->nvram = kmalloc(sizeof (IPS_NVRAM_P5), GFP_KERNEL);
7102
7103 if (!ha->nvram) {
7104 IPS_PRINTK(KERN_WARNING, pci_dev,
7105 "Unable to allocate host NVRAM structure\n");
7106 return ips_abort_init(ha, index);
7107 }
7108
7109 ha->subsys = kmalloc(sizeof (IPS_SUBSYS), GFP_KERNEL);
7110
7111 if (!ha->subsys) {
7112 IPS_PRINTK(KERN_WARNING, pci_dev,
7113 "Unable to allocate host subsystem structure\n");
7114 return ips_abort_init(ha, index);
7115 }
7116
7117 /* the ioctl buffer is now used during adapter initialization, so its
7118 * successful allocation is now required */
7119 if (ips_ioctlsize < PAGE_SIZE)
7120 ips_ioctlsize = PAGE_SIZE;
7121
7122 ha->ioctl_data = pci_alloc_consistent(pci_dev, ips_ioctlsize,
7123 &ha->ioctl_busaddr);
7124 ha->ioctl_len = ips_ioctlsize;
7125 if (!ha->ioctl_data) {
7126 IPS_PRINTK(KERN_WARNING, pci_dev,
7127 "Unable to allocate IOCTL data\n");
7128 return ips_abort_init(ha, index);
7129 }
7130
7131 /*
7132 * Setup Functions
7133 */
7134 ips_setup_funclist(ha);
7135
7136 if ((IPS_IS_MORPHEUS(ha)) || (IPS_IS_MARCO(ha))) {
7137 /* If Morpheus appears dead, reset it */
7138 IsDead = readl(ha->mem_ptr + IPS_REG_I960_MSG1);
7139 if (IsDead == 0xDEADBEEF) {
7140 ips_reset_morpheus(ha);
7141 }
7142 }
7143
7144 /*
7145 * Initialize the card if it isn't already
7146 */
7147
7148 if (!(*ha->func.isinit) (ha)) {
7149 if (!(*ha->func.init) (ha)) {
7150 /*
7151 * Initialization failed
7152 */
7153 IPS_PRINTK(KERN_WARNING, pci_dev,
7154 "Unable to initialize controller\n");
7155 return ips_abort_init(ha, index);
7156 }
7157 }
7158
7159 *indexPtr = index;
7160 return SUCCESS;
7161 }
7162
7163 /*---------------------------------------------------------------------------*/
7164 /* Routine Name: ips_init_phase2 */
7165 /* */
7166 /* Routine Description: */
7167 /* Adapter Initialization Phase 2 */
7168 /* */
7169 /* Return Value: */
7170 /* 0 if Successful, else non-zero */
7171 /*---------------------------------------------------------------------------*/
7172 static int
7173 ips_init_phase2(int index)
7174 {
7175 ips_ha_t *ha;
7176
7177 ha = ips_ha[index];
7178
7179 METHOD_TRACE("ips_init_phase2", 1);
7180 if (!ha->active) {
7181 ips_ha[index] = NULL;
7182 return -1;
7183 }
7184
7185 /* Install the interrupt handler */
7186 if (request_irq(ha->pcidev->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) {
7187 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7188 "Unable to install interrupt handler\n");
7189 return ips_abort_init(ha, index);
7190 }
7191
7192 /*
7193 * Allocate a temporary SCB for initialization
7194 */
7195 ha->max_cmds = 1;
7196 if (!ips_allocatescbs(ha)) {
7197 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7198 "Unable to allocate a CCB\n");
7199 free_irq(ha->pcidev->irq, ha);
7200 return ips_abort_init(ha, index);
7201 }
7202
7203 if (!ips_hainit(ha)) {
7204 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7205 "Unable to initialize controller\n");
7206 free_irq(ha->pcidev->irq, ha);
7207 return ips_abort_init(ha, index);
7208 }
7209 /* Free the temporary SCB */
7210 ips_deallocatescbs(ha, 1);
7211
7212 /* allocate CCBs */
7213 if (!ips_allocatescbs(ha)) {
7214 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7215 "Unable to allocate CCBs\n");
7216 free_irq(ha->pcidev->irq, ha);
7217 return ips_abort_init(ha, index);
7218 }
7219
7220 return SUCCESS;
7221 }
7222
7223 MODULE_LICENSE("GPL");
7224 MODULE_DESCRIPTION("IBM ServeRAID Adapter Driver " IPS_VER_STRING);
7225 MODULE_VERSION(IPS_VER_STRING);
7226
7227
7228 /*
7229 * Overrides for Emacs so that we almost follow Linus's tabbing style.
7230 * Emacs will notice this stuff at the end of the file and automatically
7231 * adjust the settings for this buffer only. This must remain at the end
7232 * of the file.
7233 * ---------------------------------------------------------------------------
7234 * Local variables:
7235 * c-indent-level: 2
7236 * c-brace-imaginary-offset: 0
7237 * c-brace-offset: -2
7238 * c-argdecl-indent: 2
7239 * c-label-offset: -2
7240 * c-continued-statement-offset: 2
7241 * c-continued-brace-offset: 0
7242 * indent-tabs-mode: nil
7243 * tab-width: 8
7244 * End:
7245 */
Linux kernel - Deliverables
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