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 wherever 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_Host *, 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
ips_setup(char * ips_str)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
ips_detect(struct scsi_host_template * SHT)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
ips_setup_funclist(ips_ha_t * ha)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
ips_release(struct Scsi_Host * sh)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
ips_halt(struct notifier_block * nb,ulong event,void * buf)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 /****************************************************************************/
ips_eh_abort(struct scsi_cmnd * SC)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 /****************************************************************************/
__ips_eh_reset(struct scsi_cmnd * SC)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
ips_eh_reset(struct scsi_cmnd * SC)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 /****************************************************************************/
ips_queue_lck(struct scsi_cmnd * SC,void (* done)(struct scsi_cmnd *))1049 static int ips_queue_lck(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
DEF_SCSI_QCMD(ips_queue)1140 static DEF_SCSI_QCMD(ips_queue)
1141
1142 /****************************************************************************/
1143 /* */
1144 /* Routine Name: ips_biosparam */
1145 /* */
1146 /* Routine Description: */
1147 /* */
1148 /* Set bios geometry for the controller */
1149 /* */
1150 /****************************************************************************/
1151 static int ips_biosparam(struct scsi_device *sdev, struct block_device *bdev,
1152 sector_t capacity, int geom[])
1153 {
1154 ips_ha_t *ha = (ips_ha_t *) sdev->host->hostdata;
1155 int heads;
1156 int sectors;
1157 int cylinders;
1158
1159 METHOD_TRACE("ips_biosparam", 1);
1160
1161 if (!ha)
1162 /* ?!?! host adater info invalid */
1163 return (0);
1164
1165 if (!ha->active)
1166 return (0);
1167
1168 if (!ips_read_adapter_status(ha, IPS_INTR_ON))
1169 /* ?!?! Enquiry command failed */
1170 return (0);
1171
1172 if ((capacity > 0x400000) && ((ha->enq->ucMiscFlag & 0x8) == 0)) {
1173 heads = IPS_NORM_HEADS;
1174 sectors = IPS_NORM_SECTORS;
1175 } else {
1176 heads = IPS_COMP_HEADS;
1177 sectors = IPS_COMP_SECTORS;
1178 }
1179
1180 cylinders = (unsigned long) capacity / (heads * sectors);
1181
1182 DEBUG_VAR(2, "Geometry: heads: %d, sectors: %d, cylinders: %d",
1183 heads, sectors, cylinders);
1184
1185 geom[0] = heads;
1186 geom[1] = sectors;
1187 geom[2] = cylinders;
1188
1189 return (0);
1190 }
1191
1192 /****************************************************************************/
1193 /* */
1194 /* Routine Name: ips_slave_configure */
1195 /* */
1196 /* Routine Description: */
1197 /* */
1198 /* Set queue depths on devices once scan is complete */
1199 /* */
1200 /****************************************************************************/
1201 static int
ips_slave_configure(struct scsi_device * SDptr)1202 ips_slave_configure(struct scsi_device * SDptr)
1203 {
1204 ips_ha_t *ha;
1205 int min;
1206
1207 ha = IPS_HA(SDptr->host);
1208 if (SDptr->tagged_supported && SDptr->type == TYPE_DISK) {
1209 min = ha->max_cmds / 2;
1210 if (ha->enq->ucLogDriveCount <= 2)
1211 min = ha->max_cmds - 1;
1212 scsi_adjust_queue_depth(SDptr, MSG_ORDERED_TAG, min);
1213 }
1214
1215 SDptr->skip_ms_page_8 = 1;
1216 SDptr->skip_ms_page_3f = 1;
1217 return 0;
1218 }
1219
1220 /****************************************************************************/
1221 /* */
1222 /* Routine Name: do_ipsintr */
1223 /* */
1224 /* Routine Description: */
1225 /* */
1226 /* Wrapper for the interrupt handler */
1227 /* */
1228 /****************************************************************************/
1229 static irqreturn_t
do_ipsintr(int irq,void * dev_id)1230 do_ipsintr(int irq, void *dev_id)
1231 {
1232 ips_ha_t *ha;
1233 struct Scsi_Host *host;
1234 int irqstatus;
1235
1236 METHOD_TRACE("do_ipsintr", 2);
1237
1238 ha = (ips_ha_t *) dev_id;
1239 if (!ha)
1240 return IRQ_NONE;
1241 host = ips_sh[ha->host_num];
1242 /* interrupt during initialization */
1243 if (!host) {
1244 (*ha->func.intr) (ha);
1245 return IRQ_HANDLED;
1246 }
1247
1248 spin_lock(host->host_lock);
1249
1250 if (!ha->active) {
1251 spin_unlock(host->host_lock);
1252 return IRQ_HANDLED;
1253 }
1254
1255 irqstatus = (*ha->func.intr) (ha);
1256
1257 spin_unlock(host->host_lock);
1258
1259 /* start the next command */
1260 ips_next(ha, IPS_INTR_ON);
1261 return IRQ_RETVAL(irqstatus);
1262 }
1263
1264 /****************************************************************************/
1265 /* */
1266 /* Routine Name: ips_intr_copperhead */
1267 /* */
1268 /* Routine Description: */
1269 /* */
1270 /* Polling interrupt handler */
1271 /* */
1272 /* ASSUMES interrupts are disabled */
1273 /* */
1274 /****************************************************************************/
1275 int
ips_intr_copperhead(ips_ha_t * ha)1276 ips_intr_copperhead(ips_ha_t * ha)
1277 {
1278 ips_stat_t *sp;
1279 ips_scb_t *scb;
1280 IPS_STATUS cstatus;
1281 int intrstatus;
1282
1283 METHOD_TRACE("ips_intr", 2);
1284
1285 if (!ha)
1286 return 0;
1287
1288 if (!ha->active)
1289 return 0;
1290
1291 intrstatus = (*ha->func.isintr) (ha);
1292
1293 if (!intrstatus) {
1294 /*
1295 * Unexpected/Shared interrupt
1296 */
1297
1298 return 0;
1299 }
1300
1301 while (TRUE) {
1302 sp = &ha->sp;
1303
1304 intrstatus = (*ha->func.isintr) (ha);
1305
1306 if (!intrstatus)
1307 break;
1308 else
1309 cstatus.value = (*ha->func.statupd) (ha);
1310
1311 if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) {
1312 /* Spurious Interrupt ? */
1313 continue;
1314 }
1315
1316 ips_chkstatus(ha, &cstatus);
1317 scb = (ips_scb_t *) sp->scb_addr;
1318
1319 /*
1320 * use the callback function to finish things up
1321 * NOTE: interrupts are OFF for this
1322 */
1323 (*scb->callback) (ha, scb);
1324 } /* end while */
1325 return 1;
1326 }
1327
1328 /****************************************************************************/
1329 /* */
1330 /* Routine Name: ips_intr_morpheus */
1331 /* */
1332 /* Routine Description: */
1333 /* */
1334 /* Polling interrupt handler */
1335 /* */
1336 /* ASSUMES interrupts are disabled */
1337 /* */
1338 /****************************************************************************/
1339 int
ips_intr_morpheus(ips_ha_t * ha)1340 ips_intr_morpheus(ips_ha_t * ha)
1341 {
1342 ips_stat_t *sp;
1343 ips_scb_t *scb;
1344 IPS_STATUS cstatus;
1345 int intrstatus;
1346
1347 METHOD_TRACE("ips_intr_morpheus", 2);
1348
1349 if (!ha)
1350 return 0;
1351
1352 if (!ha->active)
1353 return 0;
1354
1355 intrstatus = (*ha->func.isintr) (ha);
1356
1357 if (!intrstatus) {
1358 /*
1359 * Unexpected/Shared interrupt
1360 */
1361
1362 return 0;
1363 }
1364
1365 while (TRUE) {
1366 sp = &ha->sp;
1367
1368 intrstatus = (*ha->func.isintr) (ha);
1369
1370 if (!intrstatus)
1371 break;
1372 else
1373 cstatus.value = (*ha->func.statupd) (ha);
1374
1375 if (cstatus.value == 0xffffffff)
1376 /* No more to process */
1377 break;
1378
1379 if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) {
1380 IPS_PRINTK(KERN_WARNING, ha->pcidev,
1381 "Spurious interrupt; no ccb.\n");
1382
1383 continue;
1384 }
1385
1386 ips_chkstatus(ha, &cstatus);
1387 scb = (ips_scb_t *) sp->scb_addr;
1388
1389 /*
1390 * use the callback function to finish things up
1391 * NOTE: interrupts are OFF for this
1392 */
1393 (*scb->callback) (ha, scb);
1394 } /* end while */
1395 return 1;
1396 }
1397
1398 /****************************************************************************/
1399 /* */
1400 /* Routine Name: ips_info */
1401 /* */
1402 /* Routine Description: */
1403 /* */
1404 /* Return info about the driver */
1405 /* */
1406 /****************************************************************************/
1407 static const char *
ips_info(struct Scsi_Host * SH)1408 ips_info(struct Scsi_Host *SH)
1409 {
1410 static char buffer[256];
1411 char *bp;
1412 ips_ha_t *ha;
1413
1414 METHOD_TRACE("ips_info", 1);
1415
1416 ha = IPS_HA(SH);
1417
1418 if (!ha)
1419 return (NULL);
1420
1421 bp = &buffer[0];
1422 memset(bp, 0, sizeof (buffer));
1423
1424 sprintf(bp, "%s%s%s Build %d", "IBM PCI ServeRAID ",
1425 IPS_VERSION_HIGH, IPS_VERSION_LOW, IPS_BUILD_IDENT);
1426
1427 if (ha->ad_type > 0 && ha->ad_type <= MAX_ADAPTER_NAME) {
1428 strcat(bp, " <");
1429 strcat(bp, ips_adapter_name[ha->ad_type - 1]);
1430 strcat(bp, ">");
1431 }
1432
1433 return (bp);
1434 }
1435
1436 /****************************************************************************/
1437 /* */
1438 /* Routine Name: ips_proc_info */
1439 /* */
1440 /* Routine Description: */
1441 /* */
1442 /* The passthru interface for the driver */
1443 /* */
1444 /****************************************************************************/
1445 static int
ips_proc_info(struct Scsi_Host * host,char * buffer,char ** start,off_t offset,int length,int func)1446 ips_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
1447 int length, int func)
1448 {
1449 int i;
1450 int ret;
1451 ips_ha_t *ha = NULL;
1452
1453 METHOD_TRACE("ips_proc_info", 1);
1454
1455 /* Find our host structure */
1456 for (i = 0; i < ips_next_controller; i++) {
1457 if (ips_sh[i]) {
1458 if (ips_sh[i] == host) {
1459 ha = (ips_ha_t *) ips_sh[i]->hostdata;
1460 break;
1461 }
1462 }
1463 }
1464
1465 if (!ha)
1466 return (-EINVAL);
1467
1468 if (func) {
1469 /* write */
1470 return (0);
1471 } else {
1472 /* read */
1473 if (start)
1474 *start = buffer;
1475
1476 ret = ips_host_info(ha, buffer, offset, length);
1477
1478 return (ret);
1479 }
1480 }
1481
1482 /*--------------------------------------------------------------------------*/
1483 /* Helper Functions */
1484 /*--------------------------------------------------------------------------*/
1485
1486 /****************************************************************************/
1487 /* */
1488 /* Routine Name: ips_is_passthru */
1489 /* */
1490 /* Routine Description: */
1491 /* */
1492 /* Determine if the specified SCSI command is really a passthru command */
1493 /* */
1494 /****************************************************************************/
ips_is_passthru(struct scsi_cmnd * SC)1495 static int ips_is_passthru(struct scsi_cmnd *SC)
1496 {
1497 unsigned long flags;
1498
1499 METHOD_TRACE("ips_is_passthru", 1);
1500
1501 if (!SC)
1502 return (0);
1503
1504 if ((SC->cmnd[0] == IPS_IOCTL_COMMAND) &&
1505 (SC->device->channel == 0) &&
1506 (SC->device->id == IPS_ADAPTER_ID) &&
1507 (SC->device->lun == 0) && scsi_sglist(SC)) {
1508 struct scatterlist *sg = scsi_sglist(SC);
1509 char *buffer;
1510
1511 /* kmap_atomic() ensures addressability of the user buffer.*/
1512 /* local_irq_save() protects the KM_IRQ0 address slot. */
1513 local_irq_save(flags);
1514 buffer = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset;
1515 if (buffer && buffer[0] == 'C' && buffer[1] == 'O' &&
1516 buffer[2] == 'P' && buffer[3] == 'P') {
1517 kunmap_atomic(buffer - sg->offset, KM_IRQ0);
1518 local_irq_restore(flags);
1519 return 1;
1520 }
1521 kunmap_atomic(buffer - sg->offset, KM_IRQ0);
1522 local_irq_restore(flags);
1523 }
1524 return 0;
1525 }
1526
1527 /****************************************************************************/
1528 /* */
1529 /* Routine Name: ips_alloc_passthru_buffer */
1530 /* */
1531 /* Routine Description: */
1532 /* allocate a buffer large enough for the ioctl data if the ioctl buffer */
1533 /* is too small or doesn't exist */
1534 /****************************************************************************/
1535 static int
ips_alloc_passthru_buffer(ips_ha_t * ha,int length)1536 ips_alloc_passthru_buffer(ips_ha_t * ha, int length)
1537 {
1538 void *bigger_buf;
1539 dma_addr_t dma_busaddr;
1540
1541 if (ha->ioctl_data && length <= ha->ioctl_len)
1542 return 0;
1543 /* there is no buffer or it's not big enough, allocate a new one */
1544 bigger_buf = pci_alloc_consistent(ha->pcidev, length, &dma_busaddr);
1545 if (bigger_buf) {
1546 /* free the old memory */
1547 pci_free_consistent(ha->pcidev, ha->ioctl_len, ha->ioctl_data,
1548 ha->ioctl_busaddr);
1549 /* use the new memory */
1550 ha->ioctl_data = (char *) bigger_buf;
1551 ha->ioctl_len = length;
1552 ha->ioctl_busaddr = dma_busaddr;
1553 } else {
1554 return -1;
1555 }
1556 return 0;
1557 }
1558
1559 /****************************************************************************/
1560 /* */
1561 /* Routine Name: ips_make_passthru */
1562 /* */
1563 /* Routine Description: */
1564 /* */
1565 /* Make a passthru command out of the info in the Scsi block */
1566 /* */
1567 /****************************************************************************/
1568 static int
ips_make_passthru(ips_ha_t * ha,struct scsi_cmnd * SC,ips_scb_t * scb,int intr)1569 ips_make_passthru(ips_ha_t *ha, struct scsi_cmnd *SC, ips_scb_t *scb, int intr)
1570 {
1571 ips_passthru_t *pt;
1572 int length = 0;
1573 int i, ret;
1574 struct scatterlist *sg = scsi_sglist(SC);
1575
1576 METHOD_TRACE("ips_make_passthru", 1);
1577
1578 scsi_for_each_sg(SC, sg, scsi_sg_count(SC), i)
1579 length += sg->length;
1580
1581 if (length < sizeof (ips_passthru_t)) {
1582 /* wrong size */
1583 DEBUG_VAR(1, "(%s%d) Passthru structure wrong size",
1584 ips_name, ha->host_num);
1585 return (IPS_FAILURE);
1586 }
1587 if (ips_alloc_passthru_buffer(ha, length)) {
1588 /* allocation failure! If ha->ioctl_data exists, use it to return
1589 some error codes. Return a failed command to the scsi layer. */
1590 if (ha->ioctl_data) {
1591 pt = (ips_passthru_t *) ha->ioctl_data;
1592 ips_scmd_buf_read(SC, pt, sizeof (ips_passthru_t));
1593 pt->BasicStatus = 0x0B;
1594 pt->ExtendedStatus = 0x00;
1595 ips_scmd_buf_write(SC, pt, sizeof (ips_passthru_t));
1596 }
1597 return IPS_FAILURE;
1598 }
1599 ha->ioctl_datasize = length;
1600
1601 ips_scmd_buf_read(SC, ha->ioctl_data, ha->ioctl_datasize);
1602 pt = (ips_passthru_t *) ha->ioctl_data;
1603
1604 /*
1605 * Some notes about the passthru interface used
1606 *
1607 * IF the scsi op_code == 0x0d then we assume
1608 * that the data came along with/goes with the
1609 * packet we received from the sg driver. In this
1610 * case the CmdBSize field of the pt structure is
1611 * used for the size of the buffer.
1612 */
1613
1614 switch (pt->CoppCmd) {
1615 case IPS_NUMCTRLS:
1616 memcpy(ha->ioctl_data + sizeof (ips_passthru_t),
1617 &ips_num_controllers, sizeof (int));
1618 ips_scmd_buf_write(SC, ha->ioctl_data,
1619 sizeof (ips_passthru_t) + sizeof (int));
1620 SC->result = DID_OK << 16;
1621
1622 return (IPS_SUCCESS_IMM);
1623
1624 case IPS_COPPUSRCMD:
1625 case IPS_COPPIOCCMD:
1626 if (SC->cmnd[0] == IPS_IOCTL_COMMAND) {
1627 if (length < (sizeof (ips_passthru_t) + pt->CmdBSize)) {
1628 /* wrong size */
1629 DEBUG_VAR(1,
1630 "(%s%d) Passthru structure wrong size",
1631 ips_name, ha->host_num);
1632
1633 return (IPS_FAILURE);
1634 }
1635
1636 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD &&
1637 pt->CoppCP.cmd.flashfw.op_code ==
1638 IPS_CMD_RW_BIOSFW) {
1639 ret = ips_flash_copperhead(ha, pt, scb);
1640 ips_scmd_buf_write(SC, ha->ioctl_data,
1641 sizeof (ips_passthru_t));
1642 return ret;
1643 }
1644 if (ips_usrcmd(ha, pt, scb))
1645 return (IPS_SUCCESS);
1646 else
1647 return (IPS_FAILURE);
1648 }
1649
1650 break;
1651
1652 } /* end switch */
1653
1654 return (IPS_FAILURE);
1655 }
1656
1657 /****************************************************************************/
1658 /* Routine Name: ips_flash_copperhead */
1659 /* Routine Description: */
1660 /* Flash the BIOS/FW on a Copperhead style controller */
1661 /****************************************************************************/
1662 static int
ips_flash_copperhead(ips_ha_t * ha,ips_passthru_t * pt,ips_scb_t * scb)1663 ips_flash_copperhead(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1664 {
1665 int datasize;
1666
1667 /* Trombone is the only copperhead that can do packet flash, but only
1668 * for firmware. No one said it had to make sense. */
1669 if (IPS_IS_TROMBONE(ha) && pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE) {
1670 if (ips_usrcmd(ha, pt, scb))
1671 return IPS_SUCCESS;
1672 else
1673 return IPS_FAILURE;
1674 }
1675 pt->BasicStatus = 0x0B;
1676 pt->ExtendedStatus = 0;
1677 scb->scsi_cmd->result = DID_OK << 16;
1678 /* IF it's OK to Use the "CD BOOT" Flash Buffer, then you can */
1679 /* avoid allocating a huge buffer per adapter ( which can fail ). */
1680 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1681 pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS) {
1682 pt->BasicStatus = 0;
1683 return ips_flash_bios(ha, pt, scb);
1684 } else if (pt->CoppCP.cmd.flashfw.packet_num == 0) {
1685 if (ips_FlashData && !test_and_set_bit(0, &ips_FlashDataInUse)){
1686 ha->flash_data = ips_FlashData;
1687 ha->flash_busaddr = ips_flashbusaddr;
1688 ha->flash_len = PAGE_SIZE << 7;
1689 ha->flash_datasize = 0;
1690 } else if (!ha->flash_data) {
1691 datasize = pt->CoppCP.cmd.flashfw.total_packets *
1692 pt->CoppCP.cmd.flashfw.count;
1693 ha->flash_data = pci_alloc_consistent(ha->pcidev,
1694 datasize,
1695 &ha->flash_busaddr);
1696 if (!ha->flash_data){
1697 printk(KERN_WARNING "Unable to allocate a flash buffer\n");
1698 return IPS_FAILURE;
1699 }
1700 ha->flash_datasize = 0;
1701 ha->flash_len = datasize;
1702 } else
1703 return IPS_FAILURE;
1704 } else {
1705 if (pt->CoppCP.cmd.flashfw.count + ha->flash_datasize >
1706 ha->flash_len) {
1707 ips_free_flash_copperhead(ha);
1708 IPS_PRINTK(KERN_WARNING, ha->pcidev,
1709 "failed size sanity check\n");
1710 return IPS_FAILURE;
1711 }
1712 }
1713 if (!ha->flash_data)
1714 return IPS_FAILURE;
1715 pt->BasicStatus = 0;
1716 memcpy(&ha->flash_data[ha->flash_datasize], pt + 1,
1717 pt->CoppCP.cmd.flashfw.count);
1718 ha->flash_datasize += pt->CoppCP.cmd.flashfw.count;
1719 if (pt->CoppCP.cmd.flashfw.packet_num ==
1720 pt->CoppCP.cmd.flashfw.total_packets - 1) {
1721 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE)
1722 return ips_flash_bios(ha, pt, scb);
1723 else if (pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE)
1724 return ips_flash_firmware(ha, pt, scb);
1725 }
1726 return IPS_SUCCESS_IMM;
1727 }
1728
1729 /****************************************************************************/
1730 /* Routine Name: ips_flash_bios */
1731 /* Routine Description: */
1732 /* flashes the bios of a copperhead adapter */
1733 /****************************************************************************/
1734 static int
ips_flash_bios(ips_ha_t * ha,ips_passthru_t * pt,ips_scb_t * scb)1735 ips_flash_bios(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1736 {
1737
1738 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1739 pt->CoppCP.cmd.flashfw.direction == IPS_WRITE_BIOS) {
1740 if ((!ha->func.programbios) || (!ha->func.erasebios) ||
1741 (!ha->func.verifybios))
1742 goto error;
1743 if ((*ha->func.erasebios) (ha)) {
1744 DEBUG_VAR(1,
1745 "(%s%d) flash bios failed - unable to erase flash",
1746 ips_name, ha->host_num);
1747 goto error;
1748 } else
1749 if ((*ha->func.programbios) (ha,
1750 ha->flash_data +
1751 IPS_BIOS_HEADER,
1752 ha->flash_datasize -
1753 IPS_BIOS_HEADER, 0)) {
1754 DEBUG_VAR(1,
1755 "(%s%d) flash bios failed - unable to flash",
1756 ips_name, ha->host_num);
1757 goto error;
1758 } else
1759 if ((*ha->func.verifybios) (ha,
1760 ha->flash_data +
1761 IPS_BIOS_HEADER,
1762 ha->flash_datasize -
1763 IPS_BIOS_HEADER, 0)) {
1764 DEBUG_VAR(1,
1765 "(%s%d) flash bios failed - unable to verify flash",
1766 ips_name, ha->host_num);
1767 goto error;
1768 }
1769 ips_free_flash_copperhead(ha);
1770 return IPS_SUCCESS_IMM;
1771 } else if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1772 pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS) {
1773 if (!ha->func.erasebios)
1774 goto error;
1775 if ((*ha->func.erasebios) (ha)) {
1776 DEBUG_VAR(1,
1777 "(%s%d) flash bios failed - unable to erase flash",
1778 ips_name, ha->host_num);
1779 goto error;
1780 }
1781 return IPS_SUCCESS_IMM;
1782 }
1783 error:
1784 pt->BasicStatus = 0x0B;
1785 pt->ExtendedStatus = 0x00;
1786 ips_free_flash_copperhead(ha);
1787 return IPS_FAILURE;
1788 }
1789
1790 /****************************************************************************/
1791 /* */
1792 /* Routine Name: ips_fill_scb_sg_single */
1793 /* */
1794 /* Routine Description: */
1795 /* Fill in a single scb sg_list element from an address */
1796 /* return a -1 if a breakup occurred */
1797 /****************************************************************************/
1798 static int
ips_fill_scb_sg_single(ips_ha_t * ha,dma_addr_t busaddr,ips_scb_t * scb,int indx,unsigned int e_len)1799 ips_fill_scb_sg_single(ips_ha_t * ha, dma_addr_t busaddr,
1800 ips_scb_t * scb, int indx, unsigned int e_len)
1801 {
1802
1803 int ret_val = 0;
1804
1805 if ((scb->data_len + e_len) > ha->max_xfer) {
1806 e_len = ha->max_xfer - scb->data_len;
1807 scb->breakup = indx;
1808 ++scb->sg_break;
1809 ret_val = -1;
1810 } else {
1811 scb->breakup = 0;
1812 scb->sg_break = 0;
1813 }
1814 if (IPS_USE_ENH_SGLIST(ha)) {
1815 scb->sg_list.enh_list[indx].address_lo =
1816 cpu_to_le32(pci_dma_lo32(busaddr));
1817 scb->sg_list.enh_list[indx].address_hi =
1818 cpu_to_le32(pci_dma_hi32(busaddr));
1819 scb->sg_list.enh_list[indx].length = cpu_to_le32(e_len);
1820 } else {
1821 scb->sg_list.std_list[indx].address =
1822 cpu_to_le32(pci_dma_lo32(busaddr));
1823 scb->sg_list.std_list[indx].length = cpu_to_le32(e_len);
1824 }
1825
1826 ++scb->sg_len;
1827 scb->data_len += e_len;
1828 return ret_val;
1829 }
1830
1831 /****************************************************************************/
1832 /* Routine Name: ips_flash_firmware */
1833 /* Routine Description: */
1834 /* flashes the firmware of a copperhead adapter */
1835 /****************************************************************************/
1836 static int
ips_flash_firmware(ips_ha_t * ha,ips_passthru_t * pt,ips_scb_t * scb)1837 ips_flash_firmware(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1838 {
1839 IPS_SG_LIST sg_list;
1840 uint32_t cmd_busaddr;
1841
1842 if (pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE &&
1843 pt->CoppCP.cmd.flashfw.direction == IPS_WRITE_FW) {
1844 memset(&pt->CoppCP.cmd, 0, sizeof (IPS_HOST_COMMAND));
1845 pt->CoppCP.cmd.flashfw.op_code = IPS_CMD_DOWNLOAD;
1846 pt->CoppCP.cmd.flashfw.count = cpu_to_le32(ha->flash_datasize);
1847 } else {
1848 pt->BasicStatus = 0x0B;
1849 pt->ExtendedStatus = 0x00;
1850 ips_free_flash_copperhead(ha);
1851 return IPS_FAILURE;
1852 }
1853 /* Save the S/G list pointer so it doesn't get clobbered */
1854 sg_list.list = scb->sg_list.list;
1855 cmd_busaddr = scb->scb_busaddr;
1856 /* copy in the CP */
1857 memcpy(&scb->cmd, &pt->CoppCP.cmd, sizeof (IPS_IOCTL_CMD));
1858 /* FIX stuff that might be wrong */
1859 scb->sg_list.list = sg_list.list;
1860 scb->scb_busaddr = cmd_busaddr;
1861 scb->bus = scb->scsi_cmd->device->channel;
1862 scb->target_id = scb->scsi_cmd->device->id;
1863 scb->lun = scb->scsi_cmd->device->lun;
1864 scb->sg_len = 0;
1865 scb->data_len = 0;
1866 scb->flags = 0;
1867 scb->op_code = 0;
1868 scb->callback = ipsintr_done;
1869 scb->timeout = ips_cmd_timeout;
1870
1871 scb->data_len = ha->flash_datasize;
1872 scb->data_busaddr =
1873 pci_map_single(ha->pcidev, ha->flash_data, scb->data_len,
1874 IPS_DMA_DIR(scb));
1875 scb->flags |= IPS_SCB_MAP_SINGLE;
1876 scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb);
1877 scb->cmd.flashfw.buffer_addr = cpu_to_le32(scb->data_busaddr);
1878 if (pt->TimeOut)
1879 scb->timeout = pt->TimeOut;
1880 scb->scsi_cmd->result = DID_OK << 16;
1881 return IPS_SUCCESS;
1882 }
1883
1884 /****************************************************************************/
1885 /* Routine Name: ips_free_flash_copperhead */
1886 /* Routine Description: */
1887 /* release the memory resources used to hold the flash image */
1888 /****************************************************************************/
1889 static void
ips_free_flash_copperhead(ips_ha_t * ha)1890 ips_free_flash_copperhead(ips_ha_t * ha)
1891 {
1892 if (ha->flash_data == ips_FlashData)
1893 test_and_clear_bit(0, &ips_FlashDataInUse);
1894 else if (ha->flash_data)
1895 pci_free_consistent(ha->pcidev, ha->flash_len, ha->flash_data,
1896 ha->flash_busaddr);
1897 ha->flash_data = NULL;
1898 }
1899
1900 /****************************************************************************/
1901 /* */
1902 /* Routine Name: ips_usrcmd */
1903 /* */
1904 /* Routine Description: */
1905 /* */
1906 /* Process a user command and make it ready to send */
1907 /* */
1908 /****************************************************************************/
1909 static int
ips_usrcmd(ips_ha_t * ha,ips_passthru_t * pt,ips_scb_t * scb)1910 ips_usrcmd(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1911 {
1912 IPS_SG_LIST sg_list;
1913 uint32_t cmd_busaddr;
1914
1915 METHOD_TRACE("ips_usrcmd", 1);
1916
1917 if ((!scb) || (!pt) || (!ha))
1918 return (0);
1919
1920 /* Save the S/G list pointer so it doesn't get clobbered */
1921 sg_list.list = scb->sg_list.list;
1922 cmd_busaddr = scb->scb_busaddr;
1923 /* copy in the CP */
1924 memcpy(&scb->cmd, &pt->CoppCP.cmd, sizeof (IPS_IOCTL_CMD));
1925 memcpy(&scb->dcdb, &pt->CoppCP.dcdb, sizeof (IPS_DCDB_TABLE));
1926
1927 /* FIX stuff that might be wrong */
1928 scb->sg_list.list = sg_list.list;
1929 scb->scb_busaddr = cmd_busaddr;
1930 scb->bus = scb->scsi_cmd->device->channel;
1931 scb->target_id = scb->scsi_cmd->device->id;
1932 scb->lun = scb->scsi_cmd->device->lun;
1933 scb->sg_len = 0;
1934 scb->data_len = 0;
1935 scb->flags = 0;
1936 scb->op_code = 0;
1937 scb->callback = ipsintr_done;
1938 scb->timeout = ips_cmd_timeout;
1939 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
1940
1941 /* we don't support DCDB/READ/WRITE Scatter Gather */
1942 if ((scb->cmd.basic_io.op_code == IPS_CMD_READ_SG) ||
1943 (scb->cmd.basic_io.op_code == IPS_CMD_WRITE_SG) ||
1944 (scb->cmd.basic_io.op_code == IPS_CMD_DCDB_SG))
1945 return (0);
1946
1947 if (pt->CmdBSize) {
1948 scb->data_len = pt->CmdBSize;
1949 scb->data_busaddr = ha->ioctl_busaddr + sizeof (ips_passthru_t);
1950 } else {
1951 scb->data_busaddr = 0L;
1952 }
1953
1954 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB)
1955 scb->cmd.dcdb.dcdb_address = cpu_to_le32(scb->scb_busaddr +
1956 (unsigned long) &scb->
1957 dcdb -
1958 (unsigned long) scb);
1959
1960 if (pt->CmdBSize) {
1961 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB)
1962 scb->dcdb.buffer_pointer =
1963 cpu_to_le32(scb->data_busaddr);
1964 else
1965 scb->cmd.basic_io.sg_addr =
1966 cpu_to_le32(scb->data_busaddr);
1967 }
1968
1969 /* set timeouts */
1970 if (pt->TimeOut) {
1971 scb->timeout = pt->TimeOut;
1972
1973 if (pt->TimeOut <= 10)
1974 scb->dcdb.cmd_attribute |= IPS_TIMEOUT10;
1975 else if (pt->TimeOut <= 60)
1976 scb->dcdb.cmd_attribute |= IPS_TIMEOUT60;
1977 else
1978 scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M;
1979 }
1980
1981 /* assume success */
1982 scb->scsi_cmd->result = DID_OK << 16;
1983
1984 /* success */
1985 return (1);
1986 }
1987
1988 /****************************************************************************/
1989 /* */
1990 /* Routine Name: ips_cleanup_passthru */
1991 /* */
1992 /* Routine Description: */
1993 /* */
1994 /* Cleanup after a passthru command */
1995 /* */
1996 /****************************************************************************/
1997 static void
ips_cleanup_passthru(ips_ha_t * ha,ips_scb_t * scb)1998 ips_cleanup_passthru(ips_ha_t * ha, ips_scb_t * scb)
1999 {
2000 ips_passthru_t *pt;
2001
2002 METHOD_TRACE("ips_cleanup_passthru", 1);
2003
2004 if ((!scb) || (!scb->scsi_cmd) || (!scsi_sglist(scb->scsi_cmd))) {
2005 DEBUG_VAR(1, "(%s%d) couldn't cleanup after passthru",
2006 ips_name, ha->host_num);
2007
2008 return;
2009 }
2010 pt = (ips_passthru_t *) ha->ioctl_data;
2011
2012 /* Copy data back to the user */
2013 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB) /* Copy DCDB Back to Caller's Area */
2014 memcpy(&pt->CoppCP.dcdb, &scb->dcdb, sizeof (IPS_DCDB_TABLE));
2015
2016 pt->BasicStatus = scb->basic_status;
2017 pt->ExtendedStatus = scb->extended_status;
2018 pt->AdapterType = ha->ad_type;
2019
2020 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD &&
2021 (scb->cmd.flashfw.op_code == IPS_CMD_DOWNLOAD ||
2022 scb->cmd.flashfw.op_code == IPS_CMD_RW_BIOSFW))
2023 ips_free_flash_copperhead(ha);
2024
2025 ips_scmd_buf_write(scb->scsi_cmd, ha->ioctl_data, ha->ioctl_datasize);
2026 }
2027
2028 /****************************************************************************/
2029 /* */
2030 /* Routine Name: ips_host_info */
2031 /* */
2032 /* Routine Description: */
2033 /* */
2034 /* The passthru interface for the driver */
2035 /* */
2036 /****************************************************************************/
2037 static int
ips_host_info(ips_ha_t * ha,char * ptr,off_t offset,int len)2038 ips_host_info(ips_ha_t * ha, char *ptr, off_t offset, int len)
2039 {
2040 IPS_INFOSTR info;
2041
2042 METHOD_TRACE("ips_host_info", 1);
2043
2044 info.buffer = ptr;
2045 info.length = len;
2046 info.offset = offset;
2047 info.pos = 0;
2048 info.localpos = 0;
2049
2050 copy_info(&info, "\nIBM ServeRAID General Information:\n\n");
2051
2052 if ((le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) &&
2053 (le16_to_cpu(ha->nvram->adapter_type) != 0))
2054 copy_info(&info, "\tController Type : %s\n",
2055 ips_adapter_name[ha->ad_type - 1]);
2056 else
2057 copy_info(&info,
2058 "\tController Type : Unknown\n");
2059
2060 if (ha->io_addr)
2061 copy_info(&info,
2062 "\tIO region : 0x%lx (%d bytes)\n",
2063 ha->io_addr, ha->io_len);
2064
2065 if (ha->mem_addr) {
2066 copy_info(&info,
2067 "\tMemory region : 0x%lx (%d bytes)\n",
2068 ha->mem_addr, ha->mem_len);
2069 copy_info(&info,
2070 "\tShared memory address : 0x%lx\n",
2071 ha->mem_ptr);
2072 }
2073
2074 copy_info(&info, "\tIRQ number : %d\n", ha->pcidev->irq);
2075
2076 /* For the Next 3 lines Check for Binary 0 at the end and don't include it if it's there. */
2077 /* That keeps everything happy for "text" operations on the proc file. */
2078
2079 if (le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) {
2080 if (ha->nvram->bios_low[3] == 0) {
2081 copy_info(&info,
2082 "\tBIOS Version : %c%c%c%c%c%c%c\n",
2083 ha->nvram->bios_high[0], ha->nvram->bios_high[1],
2084 ha->nvram->bios_high[2], ha->nvram->bios_high[3],
2085 ha->nvram->bios_low[0], ha->nvram->bios_low[1],
2086 ha->nvram->bios_low[2]);
2087
2088 } else {
2089 copy_info(&info,
2090 "\tBIOS Version : %c%c%c%c%c%c%c%c\n",
2091 ha->nvram->bios_high[0], ha->nvram->bios_high[1],
2092 ha->nvram->bios_high[2], ha->nvram->bios_high[3],
2093 ha->nvram->bios_low[0], ha->nvram->bios_low[1],
2094 ha->nvram->bios_low[2], ha->nvram->bios_low[3]);
2095 }
2096
2097 }
2098
2099 if (ha->enq->CodeBlkVersion[7] == 0) {
2100 copy_info(&info,
2101 "\tFirmware Version : %c%c%c%c%c%c%c\n",
2102 ha->enq->CodeBlkVersion[0], ha->enq->CodeBlkVersion[1],
2103 ha->enq->CodeBlkVersion[2], ha->enq->CodeBlkVersion[3],
2104 ha->enq->CodeBlkVersion[4], ha->enq->CodeBlkVersion[5],
2105 ha->enq->CodeBlkVersion[6]);
2106 } else {
2107 copy_info(&info,
2108 "\tFirmware Version : %c%c%c%c%c%c%c%c\n",
2109 ha->enq->CodeBlkVersion[0], ha->enq->CodeBlkVersion[1],
2110 ha->enq->CodeBlkVersion[2], ha->enq->CodeBlkVersion[3],
2111 ha->enq->CodeBlkVersion[4], ha->enq->CodeBlkVersion[5],
2112 ha->enq->CodeBlkVersion[6], ha->enq->CodeBlkVersion[7]);
2113 }
2114
2115 if (ha->enq->BootBlkVersion[7] == 0) {
2116 copy_info(&info,
2117 "\tBoot Block Version : %c%c%c%c%c%c%c\n",
2118 ha->enq->BootBlkVersion[0], ha->enq->BootBlkVersion[1],
2119 ha->enq->BootBlkVersion[2], ha->enq->BootBlkVersion[3],
2120 ha->enq->BootBlkVersion[4], ha->enq->BootBlkVersion[5],
2121 ha->enq->BootBlkVersion[6]);
2122 } else {
2123 copy_info(&info,
2124 "\tBoot Block Version : %c%c%c%c%c%c%c%c\n",
2125 ha->enq->BootBlkVersion[0], ha->enq->BootBlkVersion[1],
2126 ha->enq->BootBlkVersion[2], ha->enq->BootBlkVersion[3],
2127 ha->enq->BootBlkVersion[4], ha->enq->BootBlkVersion[5],
2128 ha->enq->BootBlkVersion[6], ha->enq->BootBlkVersion[7]);
2129 }
2130
2131 copy_info(&info, "\tDriver Version : %s%s\n",
2132 IPS_VERSION_HIGH, IPS_VERSION_LOW);
2133
2134 copy_info(&info, "\tDriver Build : %d\n",
2135 IPS_BUILD_IDENT);
2136
2137 copy_info(&info, "\tMax Physical Devices : %d\n",
2138 ha->enq->ucMaxPhysicalDevices);
2139 copy_info(&info, "\tMax Active Commands : %d\n",
2140 ha->max_cmds);
2141 copy_info(&info, "\tCurrent Queued Commands : %d\n",
2142 ha->scb_waitlist.count);
2143 copy_info(&info, "\tCurrent Active Commands : %d\n",
2144 ha->scb_activelist.count - ha->num_ioctl);
2145 copy_info(&info, "\tCurrent Queued PT Commands : %d\n",
2146 ha->copp_waitlist.count);
2147 copy_info(&info, "\tCurrent Active PT Commands : %d\n",
2148 ha->num_ioctl);
2149
2150 copy_info(&info, "\n");
2151
2152 return (info.localpos);
2153 }
2154
2155 /****************************************************************************/
2156 /* */
2157 /* Routine Name: copy_mem_info */
2158 /* */
2159 /* Routine Description: */
2160 /* */
2161 /* Copy data into an IPS_INFOSTR structure */
2162 /* */
2163 /****************************************************************************/
2164 static void
copy_mem_info(IPS_INFOSTR * info,char * data,int len)2165 copy_mem_info(IPS_INFOSTR * info, char *data, int len)
2166 {
2167 METHOD_TRACE("copy_mem_info", 1);
2168
2169 if (info->pos + len < info->offset) {
2170 info->pos += len;
2171 return;
2172 }
2173
2174 if (info->pos < info->offset) {
2175 data += (info->offset - info->pos);
2176 len -= (info->offset - info->pos);
2177 info->pos += (info->offset - info->pos);
2178 }
2179
2180 if (info->localpos + len > info->length)
2181 len = info->length - info->localpos;
2182
2183 if (len > 0) {
2184 memcpy(info->buffer + info->localpos, data, len);
2185 info->pos += len;
2186 info->localpos += len;
2187 }
2188 }
2189
2190 /****************************************************************************/
2191 /* */
2192 /* Routine Name: copy_info */
2193 /* */
2194 /* Routine Description: */
2195 /* */
2196 /* printf style wrapper for an info structure */
2197 /* */
2198 /****************************************************************************/
2199 static int
copy_info(IPS_INFOSTR * info,char * fmt,...)2200 copy_info(IPS_INFOSTR * info, char *fmt, ...)
2201 {
2202 va_list args;
2203 char buf[128];
2204 int len;
2205
2206 METHOD_TRACE("copy_info", 1);
2207
2208 va_start(args, fmt);
2209 len = vsprintf(buf, fmt, args);
2210 va_end(args);
2211
2212 copy_mem_info(info, buf, len);
2213
2214 return (len);
2215 }
2216
2217 /****************************************************************************/
2218 /* */
2219 /* Routine Name: ips_identify_controller */
2220 /* */
2221 /* Routine Description: */
2222 /* */
2223 /* Identify this controller */
2224 /* */
2225 /****************************************************************************/
2226 static void
ips_identify_controller(ips_ha_t * ha)2227 ips_identify_controller(ips_ha_t * ha)
2228 {
2229 METHOD_TRACE("ips_identify_controller", 1);
2230
2231 switch (ha->pcidev->device) {
2232 case IPS_DEVICEID_COPPERHEAD:
2233 if (ha->pcidev->revision <= IPS_REVID_SERVERAID) {
2234 ha->ad_type = IPS_ADTYPE_SERVERAID;
2235 } else if (ha->pcidev->revision == IPS_REVID_SERVERAID2) {
2236 ha->ad_type = IPS_ADTYPE_SERVERAID2;
2237 } else if (ha->pcidev->revision == IPS_REVID_NAVAJO) {
2238 ha->ad_type = IPS_ADTYPE_NAVAJO;
2239 } else if ((ha->pcidev->revision == IPS_REVID_SERVERAID2)
2240 && (ha->slot_num == 0)) {
2241 ha->ad_type = IPS_ADTYPE_KIOWA;
2242 } else if ((ha->pcidev->revision >= IPS_REVID_CLARINETP1) &&
2243 (ha->pcidev->revision <= IPS_REVID_CLARINETP3)) {
2244 if (ha->enq->ucMaxPhysicalDevices == 15)
2245 ha->ad_type = IPS_ADTYPE_SERVERAID3L;
2246 else
2247 ha->ad_type = IPS_ADTYPE_SERVERAID3;
2248 } else if ((ha->pcidev->revision >= IPS_REVID_TROMBONE32) &&
2249 (ha->pcidev->revision <= IPS_REVID_TROMBONE64)) {
2250 ha->ad_type = IPS_ADTYPE_SERVERAID4H;
2251 }
2252 break;
2253
2254 case IPS_DEVICEID_MORPHEUS:
2255 switch (ha->pcidev->subsystem_device) {
2256 case IPS_SUBDEVICEID_4L:
2257 ha->ad_type = IPS_ADTYPE_SERVERAID4L;
2258 break;
2259
2260 case IPS_SUBDEVICEID_4M:
2261 ha->ad_type = IPS_ADTYPE_SERVERAID4M;
2262 break;
2263
2264 case IPS_SUBDEVICEID_4MX:
2265 ha->ad_type = IPS_ADTYPE_SERVERAID4MX;
2266 break;
2267
2268 case IPS_SUBDEVICEID_4LX:
2269 ha->ad_type = IPS_ADTYPE_SERVERAID4LX;
2270 break;
2271
2272 case IPS_SUBDEVICEID_5I2:
2273 ha->ad_type = IPS_ADTYPE_SERVERAID5I2;
2274 break;
2275
2276 case IPS_SUBDEVICEID_5I1:
2277 ha->ad_type = IPS_ADTYPE_SERVERAID5I1;
2278 break;
2279 }
2280
2281 break;
2282
2283 case IPS_DEVICEID_MARCO:
2284 switch (ha->pcidev->subsystem_device) {
2285 case IPS_SUBDEVICEID_6M:
2286 ha->ad_type = IPS_ADTYPE_SERVERAID6M;
2287 break;
2288 case IPS_SUBDEVICEID_6I:
2289 ha->ad_type = IPS_ADTYPE_SERVERAID6I;
2290 break;
2291 case IPS_SUBDEVICEID_7k:
2292 ha->ad_type = IPS_ADTYPE_SERVERAID7k;
2293 break;
2294 case IPS_SUBDEVICEID_7M:
2295 ha->ad_type = IPS_ADTYPE_SERVERAID7M;
2296 break;
2297 }
2298 break;
2299 }
2300 }
2301
2302 /****************************************************************************/
2303 /* */
2304 /* Routine Name: ips_get_bios_version */
2305 /* */
2306 /* Routine Description: */
2307 /* */
2308 /* Get the BIOS revision number */
2309 /* */
2310 /****************************************************************************/
2311 static void
ips_get_bios_version(ips_ha_t * ha,int intr)2312 ips_get_bios_version(ips_ha_t * ha, int intr)
2313 {
2314 ips_scb_t *scb;
2315 int ret;
2316 uint8_t major;
2317 uint8_t minor;
2318 uint8_t subminor;
2319 uint8_t *buffer;
2320 char hexDigits[] =
2321 { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C',
2322 'D', 'E', 'F' };
2323
2324 METHOD_TRACE("ips_get_bios_version", 1);
2325
2326 major = 0;
2327 minor = 0;
2328
2329 strncpy(ha->bios_version, " ?", 8);
2330
2331 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD) {
2332 if (IPS_USE_MEMIO(ha)) {
2333 /* Memory Mapped I/O */
2334
2335 /* test 1st byte */
2336 writel(0, ha->mem_ptr + IPS_REG_FLAP);
2337 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2338 udelay(25); /* 25 us */
2339
2340 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0x55)
2341 return;
2342
2343 writel(1, ha->mem_ptr + IPS_REG_FLAP);
2344 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2345 udelay(25); /* 25 us */
2346
2347 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA)
2348 return;
2349
2350 /* Get Major version */
2351 writel(0x1FF, ha->mem_ptr + IPS_REG_FLAP);
2352 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2353 udelay(25); /* 25 us */
2354
2355 major = readb(ha->mem_ptr + IPS_REG_FLDP);
2356
2357 /* Get Minor version */
2358 writel(0x1FE, ha->mem_ptr + IPS_REG_FLAP);
2359 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2360 udelay(25); /* 25 us */
2361 minor = readb(ha->mem_ptr + IPS_REG_FLDP);
2362
2363 /* Get SubMinor version */
2364 writel(0x1FD, ha->mem_ptr + IPS_REG_FLAP);
2365 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2366 udelay(25); /* 25 us */
2367 subminor = readb(ha->mem_ptr + IPS_REG_FLDP);
2368
2369 } else {
2370 /* Programmed I/O */
2371
2372 /* test 1st byte */
2373 outl(0, ha->io_addr + IPS_REG_FLAP);
2374 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2375 udelay(25); /* 25 us */
2376
2377 if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55)
2378 return;
2379
2380 outl(1, ha->io_addr + IPS_REG_FLAP);
2381 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2382 udelay(25); /* 25 us */
2383
2384 if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA)
2385 return;
2386
2387 /* Get Major version */
2388 outl(0x1FF, ha->io_addr + IPS_REG_FLAP);
2389 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2390 udelay(25); /* 25 us */
2391
2392 major = inb(ha->io_addr + IPS_REG_FLDP);
2393
2394 /* Get Minor version */
2395 outl(0x1FE, ha->io_addr + IPS_REG_FLAP);
2396 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2397 udelay(25); /* 25 us */
2398
2399 minor = inb(ha->io_addr + IPS_REG_FLDP);
2400
2401 /* Get SubMinor version */
2402 outl(0x1FD, ha->io_addr + IPS_REG_FLAP);
2403 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2404 udelay(25); /* 25 us */
2405
2406 subminor = inb(ha->io_addr + IPS_REG_FLDP);
2407
2408 }
2409 } else {
2410 /* Morpheus Family - Send Command to the card */
2411
2412 buffer = ha->ioctl_data;
2413
2414 memset(buffer, 0, 0x1000);
2415
2416 scb = &ha->scbs[ha->max_cmds - 1];
2417
2418 ips_init_scb(ha, scb);
2419
2420 scb->timeout = ips_cmd_timeout;
2421 scb->cdb[0] = IPS_CMD_RW_BIOSFW;
2422
2423 scb->cmd.flashfw.op_code = IPS_CMD_RW_BIOSFW;
2424 scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb);
2425 scb->cmd.flashfw.type = 1;
2426 scb->cmd.flashfw.direction = 0;
2427 scb->cmd.flashfw.count = cpu_to_le32(0x800);
2428 scb->cmd.flashfw.total_packets = 1;
2429 scb->cmd.flashfw.packet_num = 0;
2430 scb->data_len = 0x1000;
2431 scb->cmd.flashfw.buffer_addr = ha->ioctl_busaddr;
2432
2433 /* issue the command */
2434 if (((ret =
2435 ips_send_wait(ha, scb, ips_cmd_timeout,
2436 intr)) == IPS_FAILURE)
2437 || (ret == IPS_SUCCESS_IMM)
2438 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) {
2439 /* Error occurred */
2440
2441 return;
2442 }
2443
2444 if ((buffer[0xC0] == 0x55) && (buffer[0xC1] == 0xAA)) {
2445 major = buffer[0x1ff + 0xC0]; /* Offset 0x1ff after the header (0xc0) */
2446 minor = buffer[0x1fe + 0xC0]; /* Offset 0x1fe after the header (0xc0) */
2447 subminor = buffer[0x1fd + 0xC0]; /* Offset 0x1fd after the header (0xc0) */
2448 } else {
2449 return;
2450 }
2451 }
2452
2453 ha->bios_version[0] = hexDigits[(major & 0xF0) >> 4];
2454 ha->bios_version[1] = '.';
2455 ha->bios_version[2] = hexDigits[major & 0x0F];
2456 ha->bios_version[3] = hexDigits[subminor];
2457 ha->bios_version[4] = '.';
2458 ha->bios_version[5] = hexDigits[(minor & 0xF0) >> 4];
2459 ha->bios_version[6] = hexDigits[minor & 0x0F];
2460 ha->bios_version[7] = 0;
2461 }
2462
2463 /****************************************************************************/
2464 /* */
2465 /* Routine Name: ips_hainit */
2466 /* */
2467 /* Routine Description: */
2468 /* */
2469 /* Initialize the controller */
2470 /* */
2471 /* NOTE: Assumes to be called from with a lock */
2472 /* */
2473 /****************************************************************************/
2474 static int
ips_hainit(ips_ha_t * ha)2475 ips_hainit(ips_ha_t * ha)
2476 {
2477 int i;
2478 struct timeval tv;
2479
2480 METHOD_TRACE("ips_hainit", 1);
2481
2482 if (!ha)
2483 return (0);
2484
2485 if (ha->func.statinit)
2486 (*ha->func.statinit) (ha);
2487
2488 if (ha->func.enableint)
2489 (*ha->func.enableint) (ha);
2490
2491 /* Send FFDC */
2492 ha->reset_count = 1;
2493 do_gettimeofday(&tv);
2494 ha->last_ffdc = tv.tv_sec;
2495 ips_ffdc_reset(ha, IPS_INTR_IORL);
2496
2497 if (!ips_read_config(ha, IPS_INTR_IORL)) {
2498 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2499 "unable to read config from controller.\n");
2500
2501 return (0);
2502 }
2503 /* end if */
2504 if (!ips_read_adapter_status(ha, IPS_INTR_IORL)) {
2505 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2506 "unable to read controller status.\n");
2507
2508 return (0);
2509 }
2510
2511 /* Identify this controller */
2512 ips_identify_controller(ha);
2513
2514 if (!ips_read_subsystem_parameters(ha, IPS_INTR_IORL)) {
2515 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2516 "unable to read subsystem parameters.\n");
2517
2518 return (0);
2519 }
2520
2521 /* write nvram user page 5 */
2522 if (!ips_write_driver_status(ha, IPS_INTR_IORL)) {
2523 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2524 "unable to write driver info to controller.\n");
2525
2526 return (0);
2527 }
2528
2529 /* If there are Logical Drives and a Reset Occurred, then an EraseStripeLock is Needed */
2530 if ((ha->conf->ucLogDriveCount > 0) && (ha->requires_esl == 1))
2531 ips_clear_adapter(ha, IPS_INTR_IORL);
2532
2533 /* set limits on SID, LUN, BUS */
2534 ha->ntargets = IPS_MAX_TARGETS + 1;
2535 ha->nlun = 1;
2536 ha->nbus = (ha->enq->ucMaxPhysicalDevices / IPS_MAX_TARGETS) + 1;
2537
2538 switch (ha->conf->logical_drive[0].ucStripeSize) {
2539 case 4:
2540 ha->max_xfer = 0x10000;
2541 break;
2542
2543 case 5:
2544 ha->max_xfer = 0x20000;
2545 break;
2546
2547 case 6:
2548 ha->max_xfer = 0x40000;
2549 break;
2550
2551 case 7:
2552 default:
2553 ha->max_xfer = 0x80000;
2554 break;
2555 }
2556
2557 /* setup max concurrent commands */
2558 if (le32_to_cpu(ha->subsys->param[4]) & 0x1) {
2559 /* Use the new method */
2560 ha->max_cmds = ha->enq->ucConcurrentCmdCount;
2561 } else {
2562 /* use the old method */
2563 switch (ha->conf->logical_drive[0].ucStripeSize) {
2564 case 4:
2565 ha->max_cmds = 32;
2566 break;
2567
2568 case 5:
2569 ha->max_cmds = 16;
2570 break;
2571
2572 case 6:
2573 ha->max_cmds = 8;
2574 break;
2575
2576 case 7:
2577 default:
2578 ha->max_cmds = 4;
2579 break;
2580 }
2581 }
2582
2583 /* Limit the Active Commands on a Lite Adapter */
2584 if ((ha->ad_type == IPS_ADTYPE_SERVERAID3L) ||
2585 (ha->ad_type == IPS_ADTYPE_SERVERAID4L) ||
2586 (ha->ad_type == IPS_ADTYPE_SERVERAID4LX)) {
2587 if ((ha->max_cmds > MaxLiteCmds) && (MaxLiteCmds))
2588 ha->max_cmds = MaxLiteCmds;
2589 }
2590
2591 /* set controller IDs */
2592 ha->ha_id[0] = IPS_ADAPTER_ID;
2593 for (i = 1; i < ha->nbus; i++) {
2594 ha->ha_id[i] = ha->conf->init_id[i - 1] & 0x1f;
2595 ha->dcdb_active[i - 1] = 0;
2596 }
2597
2598 return (1);
2599 }
2600
2601 /****************************************************************************/
2602 /* */
2603 /* Routine Name: ips_next */
2604 /* */
2605 /* Routine Description: */
2606 /* */
2607 /* Take the next command off the queue and send it to the controller */
2608 /* */
2609 /****************************************************************************/
2610 static void
ips_next(ips_ha_t * ha,int intr)2611 ips_next(ips_ha_t * ha, int intr)
2612 {
2613 ips_scb_t *scb;
2614 struct scsi_cmnd *SC;
2615 struct scsi_cmnd *p;
2616 struct scsi_cmnd *q;
2617 ips_copp_wait_item_t *item;
2618 int ret;
2619 struct Scsi_Host *host;
2620 METHOD_TRACE("ips_next", 1);
2621
2622 if (!ha)
2623 return;
2624 host = ips_sh[ha->host_num];
2625 /*
2626 * Block access to the queue function so
2627 * this command won't time out
2628 */
2629 if (intr == IPS_INTR_ON)
2630 spin_lock(host->host_lock);
2631
2632 if ((ha->subsys->param[3] & 0x300000)
2633 && (ha->scb_activelist.count == 0)) {
2634 struct timeval tv;
2635
2636 do_gettimeofday(&tv);
2637
2638 if (tv.tv_sec - ha->last_ffdc > IPS_SECS_8HOURS) {
2639 ha->last_ffdc = tv.tv_sec;
2640 ips_ffdc_time(ha);
2641 }
2642 }
2643
2644 /*
2645 * Send passthru commands
2646 * These have priority over normal I/O
2647 * but shouldn't affect performance too much
2648 * since we limit the number that can be active
2649 * on the card at any one time
2650 */
2651 while ((ha->num_ioctl < IPS_MAX_IOCTL) &&
2652 (ha->copp_waitlist.head) && (scb = ips_getscb(ha))) {
2653
2654 item = ips_removeq_copp_head(&ha->copp_waitlist);
2655 ha->num_ioctl++;
2656 if (intr == IPS_INTR_ON)
2657 spin_unlock(host->host_lock);
2658 scb->scsi_cmd = item->scsi_cmd;
2659 kfree(item);
2660
2661 ret = ips_make_passthru(ha, scb->scsi_cmd, scb, intr);
2662
2663 if (intr == IPS_INTR_ON)
2664 spin_lock(host->host_lock);
2665 switch (ret) {
2666 case IPS_FAILURE:
2667 if (scb->scsi_cmd) {
2668 scb->scsi_cmd->result = DID_ERROR << 16;
2669 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2670 }
2671
2672 ips_freescb(ha, scb);
2673 break;
2674 case IPS_SUCCESS_IMM:
2675 if (scb->scsi_cmd) {
2676 scb->scsi_cmd->result = DID_OK << 16;
2677 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2678 }
2679
2680 ips_freescb(ha, scb);
2681 break;
2682 default:
2683 break;
2684 } /* end case */
2685
2686 if (ret != IPS_SUCCESS) {
2687 ha->num_ioctl--;
2688 continue;
2689 }
2690
2691 ret = ips_send_cmd(ha, scb);
2692
2693 if (ret == IPS_SUCCESS)
2694 ips_putq_scb_head(&ha->scb_activelist, scb);
2695 else
2696 ha->num_ioctl--;
2697
2698 switch (ret) {
2699 case IPS_FAILURE:
2700 if (scb->scsi_cmd) {
2701 scb->scsi_cmd->result = DID_ERROR << 16;
2702 }
2703
2704 ips_freescb(ha, scb);
2705 break;
2706 case IPS_SUCCESS_IMM:
2707 ips_freescb(ha, scb);
2708 break;
2709 default:
2710 break;
2711 } /* end case */
2712
2713 }
2714
2715 /*
2716 * Send "Normal" I/O commands
2717 */
2718
2719 p = ha->scb_waitlist.head;
2720 while ((p) && (scb = ips_getscb(ha))) {
2721 if ((scmd_channel(p) > 0)
2722 && (ha->
2723 dcdb_active[scmd_channel(p) -
2724 1] & (1 << scmd_id(p)))) {
2725 ips_freescb(ha, scb);
2726 p = (struct scsi_cmnd *) p->host_scribble;
2727 continue;
2728 }
2729
2730 q = p;
2731 SC = ips_removeq_wait(&ha->scb_waitlist, q);
2732
2733 if (intr == IPS_INTR_ON)
2734 spin_unlock(host->host_lock); /* Unlock HA after command is taken off queue */
2735
2736 SC->result = DID_OK;
2737 SC->host_scribble = NULL;
2738
2739 scb->target_id = SC->device->id;
2740 scb->lun = SC->device->lun;
2741 scb->bus = SC->device->channel;
2742 scb->scsi_cmd = SC;
2743 scb->breakup = 0;
2744 scb->data_len = 0;
2745 scb->callback = ipsintr_done;
2746 scb->timeout = ips_cmd_timeout;
2747 memset(&scb->cmd, 0, 16);
2748
2749 /* copy in the CDB */
2750 memcpy(scb->cdb, SC->cmnd, SC->cmd_len);
2751
2752 scb->sg_count = scsi_dma_map(SC);
2753 BUG_ON(scb->sg_count < 0);
2754 if (scb->sg_count) {
2755 struct scatterlist *sg;
2756 int i;
2757
2758 scb->flags |= IPS_SCB_MAP_SG;
2759
2760 scsi_for_each_sg(SC, sg, scb->sg_count, i) {
2761 if (ips_fill_scb_sg_single
2762 (ha, sg_dma_address(sg), scb, i,
2763 sg_dma_len(sg)) < 0)
2764 break;
2765 }
2766 scb->dcdb.transfer_length = scb->data_len;
2767 } else {
2768 scb->data_busaddr = 0L;
2769 scb->sg_len = 0;
2770 scb->data_len = 0;
2771 scb->dcdb.transfer_length = 0;
2772 }
2773
2774 scb->dcdb.cmd_attribute =
2775 ips_command_direction[scb->scsi_cmd->cmnd[0]];
2776
2777 /* Allow a WRITE BUFFER Command to Have no Data */
2778 /* This is Used by Tape Flash Utilites */
2779 if ((scb->scsi_cmd->cmnd[0] == WRITE_BUFFER) &&
2780 (scb->data_len == 0))
2781 scb->dcdb.cmd_attribute = 0;
2782
2783 if (!(scb->dcdb.cmd_attribute & 0x3))
2784 scb->dcdb.transfer_length = 0;
2785
2786 if (scb->data_len >= IPS_MAX_XFER) {
2787 scb->dcdb.cmd_attribute |= IPS_TRANSFER64K;
2788 scb->dcdb.transfer_length = 0;
2789 }
2790 if (intr == IPS_INTR_ON)
2791 spin_lock(host->host_lock);
2792
2793 ret = ips_send_cmd(ha, scb);
2794
2795 switch (ret) {
2796 case IPS_SUCCESS:
2797 ips_putq_scb_head(&ha->scb_activelist, scb);
2798 break;
2799 case IPS_FAILURE:
2800 if (scb->scsi_cmd) {
2801 scb->scsi_cmd->result = DID_ERROR << 16;
2802 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2803 }
2804
2805 if (scb->bus)
2806 ha->dcdb_active[scb->bus - 1] &=
2807 ~(1 << scb->target_id);
2808
2809 ips_freescb(ha, scb);
2810 break;
2811 case IPS_SUCCESS_IMM:
2812 if (scb->scsi_cmd)
2813 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2814
2815 if (scb->bus)
2816 ha->dcdb_active[scb->bus - 1] &=
2817 ~(1 << scb->target_id);
2818
2819 ips_freescb(ha, scb);
2820 break;
2821 default:
2822 break;
2823 } /* end case */
2824
2825 p = (struct scsi_cmnd *) p->host_scribble;
2826
2827 } /* end while */
2828
2829 if (intr == IPS_INTR_ON)
2830 spin_unlock(host->host_lock);
2831 }
2832
2833 /****************************************************************************/
2834 /* */
2835 /* Routine Name: ips_putq_scb_head */
2836 /* */
2837 /* Routine Description: */
2838 /* */
2839 /* Add an item to the head of the queue */
2840 /* */
2841 /* ASSUMED to be called from within the HA lock */
2842 /* */
2843 /****************************************************************************/
2844 static void
ips_putq_scb_head(ips_scb_queue_t * queue,ips_scb_t * item)2845 ips_putq_scb_head(ips_scb_queue_t * queue, ips_scb_t * item)
2846 {
2847 METHOD_TRACE("ips_putq_scb_head", 1);
2848
2849 if (!item)
2850 return;
2851
2852 item->q_next = queue->head;
2853 queue->head = item;
2854
2855 if (!queue->tail)
2856 queue->tail = item;
2857
2858 queue->count++;
2859 }
2860
2861 /****************************************************************************/
2862 /* */
2863 /* Routine Name: ips_removeq_scb_head */
2864 /* */
2865 /* Routine Description: */
2866 /* */
2867 /* Remove the head of the queue */
2868 /* */
2869 /* ASSUMED to be called from within the HA lock */
2870 /* */
2871 /****************************************************************************/
2872 static ips_scb_t *
ips_removeq_scb_head(ips_scb_queue_t * queue)2873 ips_removeq_scb_head(ips_scb_queue_t * queue)
2874 {
2875 ips_scb_t *item;
2876
2877 METHOD_TRACE("ips_removeq_scb_head", 1);
2878
2879 item = queue->head;
2880
2881 if (!item) {
2882 return (NULL);
2883 }
2884
2885 queue->head = item->q_next;
2886 item->q_next = NULL;
2887
2888 if (queue->tail == item)
2889 queue->tail = NULL;
2890
2891 queue->count--;
2892
2893 return (item);
2894 }
2895
2896 /****************************************************************************/
2897 /* */
2898 /* Routine Name: ips_removeq_scb */
2899 /* */
2900 /* Routine Description: */
2901 /* */
2902 /* Remove an item from a queue */
2903 /* */
2904 /* ASSUMED to be called from within the HA lock */
2905 /* */
2906 /****************************************************************************/
2907 static ips_scb_t *
ips_removeq_scb(ips_scb_queue_t * queue,ips_scb_t * item)2908 ips_removeq_scb(ips_scb_queue_t * queue, ips_scb_t * item)
2909 {
2910 ips_scb_t *p;
2911
2912 METHOD_TRACE("ips_removeq_scb", 1);
2913
2914 if (!item)
2915 return (NULL);
2916
2917 if (item == queue->head) {
2918 return (ips_removeq_scb_head(queue));
2919 }
2920
2921 p = queue->head;
2922
2923 while ((p) && (item != p->q_next))
2924 p = p->q_next;
2925
2926 if (p) {
2927 /* found a match */
2928 p->q_next = item->q_next;
2929
2930 if (!item->q_next)
2931 queue->tail = p;
2932
2933 item->q_next = NULL;
2934 queue->count--;
2935
2936 return (item);
2937 }
2938
2939 return (NULL);
2940 }
2941
2942 /****************************************************************************/
2943 /* */
2944 /* Routine Name: ips_putq_wait_tail */
2945 /* */
2946 /* Routine Description: */
2947 /* */
2948 /* Add an item to the tail of the queue */
2949 /* */
2950 /* ASSUMED to be called from within the HA lock */
2951 /* */
2952 /****************************************************************************/
ips_putq_wait_tail(ips_wait_queue_t * queue,struct scsi_cmnd * item)2953 static void ips_putq_wait_tail(ips_wait_queue_t *queue, struct scsi_cmnd *item)
2954 {
2955 METHOD_TRACE("ips_putq_wait_tail", 1);
2956
2957 if (!item)
2958 return;
2959
2960 item->host_scribble = NULL;
2961
2962 if (queue->tail)
2963 queue->tail->host_scribble = (char *) item;
2964
2965 queue->tail = item;
2966
2967 if (!queue->head)
2968 queue->head = item;
2969
2970 queue->count++;
2971 }
2972
2973 /****************************************************************************/
2974 /* */
2975 /* Routine Name: ips_removeq_wait_head */
2976 /* */
2977 /* Routine Description: */
2978 /* */
2979 /* Remove the head of the queue */
2980 /* */
2981 /* ASSUMED to be called from within the HA lock */
2982 /* */
2983 /****************************************************************************/
ips_removeq_wait_head(ips_wait_queue_t * queue)2984 static struct scsi_cmnd *ips_removeq_wait_head(ips_wait_queue_t *queue)
2985 {
2986 struct scsi_cmnd *item;
2987
2988 METHOD_TRACE("ips_removeq_wait_head", 1);
2989
2990 item = queue->head;
2991
2992 if (!item) {
2993 return (NULL);
2994 }
2995
2996 queue->head = (struct scsi_cmnd *) item->host_scribble;
2997 item->host_scribble = NULL;
2998
2999 if (queue->tail == item)
3000 queue->tail = NULL;
3001
3002 queue->count--;
3003
3004 return (item);
3005 }
3006
3007 /****************************************************************************/
3008 /* */
3009 /* Routine Name: ips_removeq_wait */
3010 /* */
3011 /* Routine Description: */
3012 /* */
3013 /* Remove an item from a queue */
3014 /* */
3015 /* ASSUMED to be called from within the HA lock */
3016 /* */
3017 /****************************************************************************/
ips_removeq_wait(ips_wait_queue_t * queue,struct scsi_cmnd * item)3018 static struct scsi_cmnd *ips_removeq_wait(ips_wait_queue_t *queue,
3019 struct scsi_cmnd *item)
3020 {
3021 struct scsi_cmnd *p;
3022
3023 METHOD_TRACE("ips_removeq_wait", 1);
3024
3025 if (!item)
3026 return (NULL);
3027
3028 if (item == queue->head) {
3029 return (ips_removeq_wait_head(queue));
3030 }
3031
3032 p = queue->head;
3033
3034 while ((p) && (item != (struct scsi_cmnd *) p->host_scribble))
3035 p = (struct scsi_cmnd *) p->host_scribble;
3036
3037 if (p) {
3038 /* found a match */
3039 p->host_scribble = item->host_scribble;
3040
3041 if (!item->host_scribble)
3042 queue->tail = p;
3043
3044 item->host_scribble = NULL;
3045 queue->count--;
3046
3047 return (item);
3048 }
3049
3050 return (NULL);
3051 }
3052
3053 /****************************************************************************/
3054 /* */
3055 /* Routine Name: ips_putq_copp_tail */
3056 /* */
3057 /* Routine Description: */
3058 /* */
3059 /* Add an item to the tail of the queue */
3060 /* */
3061 /* ASSUMED to be called from within the HA lock */
3062 /* */
3063 /****************************************************************************/
3064 static void
ips_putq_copp_tail(ips_copp_queue_t * queue,ips_copp_wait_item_t * item)3065 ips_putq_copp_tail(ips_copp_queue_t * queue, ips_copp_wait_item_t * item)
3066 {
3067 METHOD_TRACE("ips_putq_copp_tail", 1);
3068
3069 if (!item)
3070 return;
3071
3072 item->next = NULL;
3073
3074 if (queue->tail)
3075 queue->tail->next = item;
3076
3077 queue->tail = item;
3078
3079 if (!queue->head)
3080 queue->head = item;
3081
3082 queue->count++;
3083 }
3084
3085 /****************************************************************************/
3086 /* */
3087 /* Routine Name: ips_removeq_copp_head */
3088 /* */
3089 /* Routine Description: */
3090 /* */
3091 /* Remove the head of the queue */
3092 /* */
3093 /* ASSUMED to be called from within the HA lock */
3094 /* */
3095 /****************************************************************************/
3096 static ips_copp_wait_item_t *
ips_removeq_copp_head(ips_copp_queue_t * queue)3097 ips_removeq_copp_head(ips_copp_queue_t * queue)
3098 {
3099 ips_copp_wait_item_t *item;
3100
3101 METHOD_TRACE("ips_removeq_copp_head", 1);
3102
3103 item = queue->head;
3104
3105 if (!item) {
3106 return (NULL);
3107 }
3108
3109 queue->head = item->next;
3110 item->next = NULL;
3111
3112 if (queue->tail == item)
3113 queue->tail = NULL;
3114
3115 queue->count--;
3116
3117 return (item);
3118 }
3119
3120 /****************************************************************************/
3121 /* */
3122 /* Routine Name: ips_removeq_copp */
3123 /* */
3124 /* Routine Description: */
3125 /* */
3126 /* Remove an item from a queue */
3127 /* */
3128 /* ASSUMED to be called from within the HA lock */
3129 /* */
3130 /****************************************************************************/
3131 static ips_copp_wait_item_t *
ips_removeq_copp(ips_copp_queue_t * queue,ips_copp_wait_item_t * item)3132 ips_removeq_copp(ips_copp_queue_t * queue, ips_copp_wait_item_t * item)
3133 {
3134 ips_copp_wait_item_t *p;
3135
3136 METHOD_TRACE("ips_removeq_copp", 1);
3137
3138 if (!item)
3139 return (NULL);
3140
3141 if (item == queue->head) {
3142 return (ips_removeq_copp_head(queue));
3143 }
3144
3145 p = queue->head;
3146
3147 while ((p) && (item != p->next))
3148 p = p->next;
3149
3150 if (p) {
3151 /* found a match */
3152 p->next = item->next;
3153
3154 if (!item->next)
3155 queue->tail = p;
3156
3157 item->next = NULL;
3158 queue->count--;
3159
3160 return (item);
3161 }
3162
3163 return (NULL);
3164 }
3165
3166 /****************************************************************************/
3167 /* */
3168 /* Routine Name: ipsintr_blocking */
3169 /* */
3170 /* Routine Description: */
3171 /* */
3172 /* Finalize an interrupt for internal commands */
3173 /* */
3174 /****************************************************************************/
3175 static void
ipsintr_blocking(ips_ha_t * ha,ips_scb_t * scb)3176 ipsintr_blocking(ips_ha_t * ha, ips_scb_t * scb)
3177 {
3178 METHOD_TRACE("ipsintr_blocking", 2);
3179
3180 ips_freescb(ha, scb);
3181 if ((ha->waitflag == TRUE) && (ha->cmd_in_progress == scb->cdb[0])) {
3182 ha->waitflag = FALSE;
3183
3184 return;
3185 }
3186 }
3187
3188 /****************************************************************************/
3189 /* */
3190 /* Routine Name: ipsintr_done */
3191 /* */
3192 /* Routine Description: */
3193 /* */
3194 /* Finalize an interrupt for non-internal commands */
3195 /* */
3196 /****************************************************************************/
3197 static void
ipsintr_done(ips_ha_t * ha,ips_scb_t * scb)3198 ipsintr_done(ips_ha_t * ha, ips_scb_t * scb)
3199 {
3200 METHOD_TRACE("ipsintr_done", 2);
3201
3202 if (!scb) {
3203 IPS_PRINTK(KERN_WARNING, ha->pcidev,
3204 "Spurious interrupt; scb NULL.\n");
3205
3206 return;
3207 }
3208
3209 if (scb->scsi_cmd == NULL) {
3210 /* unexpected interrupt */
3211 IPS_PRINTK(KERN_WARNING, ha->pcidev,
3212 "Spurious interrupt; scsi_cmd not set.\n");
3213
3214 return;
3215 }
3216
3217 ips_done(ha, scb);
3218 }
3219
3220 /****************************************************************************/
3221 /* */
3222 /* Routine Name: ips_done */
3223 /* */
3224 /* Routine Description: */
3225 /* */
3226 /* Do housekeeping on completed commands */
3227 /* ASSUMED to be called form within the request lock */
3228 /****************************************************************************/
3229 static void
ips_done(ips_ha_t * ha,ips_scb_t * scb)3230 ips_done(ips_ha_t * ha, ips_scb_t * scb)
3231 {
3232 int ret;
3233
3234 METHOD_TRACE("ips_done", 1);
3235
3236 if (!scb)
3237 return;
3238
3239 if ((scb->scsi_cmd) && (ips_is_passthru(scb->scsi_cmd))) {
3240 ips_cleanup_passthru(ha, scb);
3241 ha->num_ioctl--;
3242 } else {
3243 /*
3244 * Check to see if this command had too much
3245 * data and had to be broke up. If so, queue
3246 * the rest of the data and continue.
3247 */
3248 if ((scb->breakup) || (scb->sg_break)) {
3249 struct scatterlist *sg;
3250 int i, sg_dma_index, ips_sg_index = 0;
3251
3252 /* we had a data breakup */
3253 scb->data_len = 0;
3254
3255 sg = scsi_sglist(scb->scsi_cmd);
3256
3257 /* Spin forward to last dma chunk */
3258 sg_dma_index = scb->breakup;
3259 for (i = 0; i < scb->breakup; i++)
3260 sg = sg_next(sg);
3261
3262 /* Take care of possible partial on last chunk */
3263 ips_fill_scb_sg_single(ha,
3264 sg_dma_address(sg),
3265 scb, ips_sg_index++,
3266 sg_dma_len(sg));
3267
3268 for (; sg_dma_index < scsi_sg_count(scb->scsi_cmd);
3269 sg_dma_index++, sg = sg_next(sg)) {
3270 if (ips_fill_scb_sg_single
3271 (ha,
3272 sg_dma_address(sg),
3273 scb, ips_sg_index++,
3274 sg_dma_len(sg)) < 0)
3275 break;
3276 }
3277
3278 scb->dcdb.transfer_length = scb->data_len;
3279 scb->dcdb.cmd_attribute |=
3280 ips_command_direction[scb->scsi_cmd->cmnd[0]];
3281
3282 if (!(scb->dcdb.cmd_attribute & 0x3))
3283 scb->dcdb.transfer_length = 0;
3284
3285 if (scb->data_len >= IPS_MAX_XFER) {
3286 scb->dcdb.cmd_attribute |= IPS_TRANSFER64K;
3287 scb->dcdb.transfer_length = 0;
3288 }
3289
3290 ret = ips_send_cmd(ha, scb);
3291
3292 switch (ret) {
3293 case IPS_FAILURE:
3294 if (scb->scsi_cmd) {
3295 scb->scsi_cmd->result = DID_ERROR << 16;
3296 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3297 }
3298
3299 ips_freescb(ha, scb);
3300 break;
3301 case IPS_SUCCESS_IMM:
3302 if (scb->scsi_cmd) {
3303 scb->scsi_cmd->result = DID_ERROR << 16;
3304 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3305 }
3306
3307 ips_freescb(ha, scb);
3308 break;
3309 default:
3310 break;
3311 } /* end case */
3312
3313 return;
3314 }
3315 } /* end if passthru */
3316
3317 if (scb->bus) {
3318 ha->dcdb_active[scb->bus - 1] &= ~(1 << scb->target_id);
3319 }
3320
3321 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3322
3323 ips_freescb(ha, scb);
3324 }
3325
3326 /****************************************************************************/
3327 /* */
3328 /* Routine Name: ips_map_status */
3329 /* */
3330 /* Routine Description: */
3331 /* */
3332 /* Map Controller Error codes to Linux Error Codes */
3333 /* */
3334 /****************************************************************************/
3335 static int
ips_map_status(ips_ha_t * ha,ips_scb_t * scb,ips_stat_t * sp)3336 ips_map_status(ips_ha_t * ha, ips_scb_t * scb, ips_stat_t * sp)
3337 {
3338 int errcode;
3339 int device_error;
3340 uint32_t transfer_len;
3341 IPS_DCDB_TABLE_TAPE *tapeDCDB;
3342 IPS_SCSI_INQ_DATA inquiryData;
3343
3344 METHOD_TRACE("ips_map_status", 1);
3345
3346 if (scb->bus) {
3347 DEBUG_VAR(2,
3348 "(%s%d) Physical device error (%d %d %d): %x %x, Sense Key: %x, ASC: %x, ASCQ: %x",
3349 ips_name, ha->host_num,
3350 scb->scsi_cmd->device->channel,
3351 scb->scsi_cmd->device->id, scb->scsi_cmd->device->lun,
3352 scb->basic_status, scb->extended_status,
3353 scb->extended_status ==
3354 IPS_ERR_CKCOND ? scb->dcdb.sense_info[2] & 0xf : 0,
3355 scb->extended_status ==
3356 IPS_ERR_CKCOND ? scb->dcdb.sense_info[12] : 0,
3357 scb->extended_status ==
3358 IPS_ERR_CKCOND ? scb->dcdb.sense_info[13] : 0);
3359 }
3360
3361 /* default driver error */
3362 errcode = DID_ERROR;
3363 device_error = 0;
3364
3365 switch (scb->basic_status & IPS_GSC_STATUS_MASK) {
3366 case IPS_CMD_TIMEOUT:
3367 errcode = DID_TIME_OUT;
3368 break;
3369
3370 case IPS_INVAL_OPCO:
3371 case IPS_INVAL_CMD_BLK:
3372 case IPS_INVAL_PARM_BLK:
3373 case IPS_LD_ERROR:
3374 case IPS_CMD_CMPLT_WERROR:
3375 break;
3376
3377 case IPS_PHYS_DRV_ERROR:
3378 switch (scb->extended_status) {
3379 case IPS_ERR_SEL_TO:
3380 if (scb->bus)
3381 errcode = DID_NO_CONNECT;
3382
3383 break;
3384
3385 case IPS_ERR_OU_RUN:
3386 if ((scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB) ||
3387 (scb->cmd.dcdb.op_code ==
3388 IPS_CMD_EXTENDED_DCDB_SG)) {
3389 tapeDCDB = (IPS_DCDB_TABLE_TAPE *) & scb->dcdb;
3390 transfer_len = tapeDCDB->transfer_length;
3391 } else {
3392 transfer_len =
3393 (uint32_t) scb->dcdb.transfer_length;
3394 }
3395
3396 if ((scb->bus) && (transfer_len < scb->data_len)) {
3397 /* Underrun - set default to no error */
3398 errcode = DID_OK;
3399
3400 /* Restrict access to physical DASD */
3401 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
3402 ips_scmd_buf_read(scb->scsi_cmd,
3403 &inquiryData, sizeof (inquiryData));
3404 if ((inquiryData.DeviceType & 0x1f) == TYPE_DISK) {
3405 errcode = DID_TIME_OUT;
3406 break;
3407 }
3408 }
3409 } else
3410 errcode = DID_ERROR;
3411
3412 break;
3413
3414 case IPS_ERR_RECOVERY:
3415 /* don't fail recovered errors */
3416 if (scb->bus)
3417 errcode = DID_OK;
3418
3419 break;
3420
3421 case IPS_ERR_HOST_RESET:
3422 case IPS_ERR_DEV_RESET:
3423 errcode = DID_RESET;
3424 break;
3425
3426 case IPS_ERR_CKCOND:
3427 if (scb->bus) {
3428 if ((scb->cmd.dcdb.op_code ==
3429 IPS_CMD_EXTENDED_DCDB)
3430 || (scb->cmd.dcdb.op_code ==
3431 IPS_CMD_EXTENDED_DCDB_SG)) {
3432 tapeDCDB =
3433 (IPS_DCDB_TABLE_TAPE *) & scb->dcdb;
3434 memcpy(scb->scsi_cmd->sense_buffer,
3435 tapeDCDB->sense_info,
3436 SCSI_SENSE_BUFFERSIZE);
3437 } else {
3438 memcpy(scb->scsi_cmd->sense_buffer,
3439 scb->dcdb.sense_info,
3440 SCSI_SENSE_BUFFERSIZE);
3441 }
3442 device_error = 2; /* check condition */
3443 }
3444
3445 errcode = DID_OK;
3446
3447 break;
3448
3449 default:
3450 errcode = DID_ERROR;
3451 break;
3452
3453 } /* end switch */
3454 } /* end switch */
3455
3456 scb->scsi_cmd->result = device_error | (errcode << 16);
3457
3458 return (1);
3459 }
3460
3461 /****************************************************************************/
3462 /* */
3463 /* Routine Name: ips_send_wait */
3464 /* */
3465 /* Routine Description: */
3466 /* */
3467 /* Send a command to the controller and wait for it to return */
3468 /* */
3469 /* The FFDC Time Stamp use this function for the callback, but doesn't */
3470 /* actually need to wait. */
3471 /****************************************************************************/
3472 static int
ips_send_wait(ips_ha_t * ha,ips_scb_t * scb,int timeout,int intr)3473 ips_send_wait(ips_ha_t * ha, ips_scb_t * scb, int timeout, int intr)
3474 {
3475 int ret;
3476
3477 METHOD_TRACE("ips_send_wait", 1);
3478
3479 if (intr != IPS_FFDC) { /* Won't be Waiting if this is a Time Stamp */
3480 ha->waitflag = TRUE;
3481 ha->cmd_in_progress = scb->cdb[0];
3482 }
3483 scb->callback = ipsintr_blocking;
3484 ret = ips_send_cmd(ha, scb);
3485
3486 if ((ret == IPS_FAILURE) || (ret == IPS_SUCCESS_IMM))
3487 return (ret);
3488
3489 if (intr != IPS_FFDC) /* Don't Wait around if this is a Time Stamp */
3490 ret = ips_wait(ha, timeout, intr);
3491
3492 return (ret);
3493 }
3494
3495 /****************************************************************************/
3496 /* */
3497 /* Routine Name: ips_scmd_buf_write */
3498 /* */
3499 /* Routine Description: */
3500 /* Write data to struct scsi_cmnd request_buffer at proper offsets */
3501 /****************************************************************************/
3502 static void
ips_scmd_buf_write(struct scsi_cmnd * scmd,void * data,unsigned int count)3503 ips_scmd_buf_write(struct scsi_cmnd *scmd, void *data, unsigned int count)
3504 {
3505 unsigned long flags;
3506
3507 local_irq_save(flags);
3508 scsi_sg_copy_from_buffer(scmd, data, count);
3509 local_irq_restore(flags);
3510 }
3511
3512 /****************************************************************************/
3513 /* */
3514 /* Routine Name: ips_scmd_buf_read */
3515 /* */
3516 /* Routine Description: */
3517 /* Copy data from a struct scsi_cmnd to a new, linear buffer */
3518 /****************************************************************************/
3519 static void
ips_scmd_buf_read(struct scsi_cmnd * scmd,void * data,unsigned int count)3520 ips_scmd_buf_read(struct scsi_cmnd *scmd, void *data, unsigned int count)
3521 {
3522 unsigned long flags;
3523
3524 local_irq_save(flags);
3525 scsi_sg_copy_to_buffer(scmd, data, count);
3526 local_irq_restore(flags);
3527 }
3528
3529 /****************************************************************************/
3530 /* */
3531 /* Routine Name: ips_send_cmd */
3532 /* */
3533 /* Routine Description: */
3534 /* */
3535 /* Map SCSI commands to ServeRAID commands for logical drives */
3536 /* */
3537 /****************************************************************************/
3538 static int
ips_send_cmd(ips_ha_t * ha,ips_scb_t * scb)3539 ips_send_cmd(ips_ha_t * ha, ips_scb_t * scb)
3540 {
3541 int ret;
3542 char *sp;
3543 int device_error;
3544 IPS_DCDB_TABLE_TAPE *tapeDCDB;
3545 int TimeOut;
3546
3547 METHOD_TRACE("ips_send_cmd", 1);
3548
3549 ret = IPS_SUCCESS;
3550
3551 if (!scb->scsi_cmd) {
3552 /* internal command */
3553
3554 if (scb->bus > 0) {
3555 /* Controller commands can't be issued */
3556 /* to real devices -- fail them */
3557 if ((ha->waitflag == TRUE) &&
3558 (ha->cmd_in_progress == scb->cdb[0])) {
3559 ha->waitflag = FALSE;
3560 }
3561
3562 return (1);
3563 }
3564 } else if ((scb->bus == 0) && (!ips_is_passthru(scb->scsi_cmd))) {
3565 /* command to logical bus -- interpret */
3566 ret = IPS_SUCCESS_IMM;
3567
3568 switch (scb->scsi_cmd->cmnd[0]) {
3569 case ALLOW_MEDIUM_REMOVAL:
3570 case REZERO_UNIT:
3571 case ERASE:
3572 case WRITE_FILEMARKS:
3573 case SPACE:
3574 scb->scsi_cmd->result = DID_ERROR << 16;
3575 break;
3576
3577 case START_STOP:
3578 scb->scsi_cmd->result = DID_OK << 16;
3579
3580 case TEST_UNIT_READY:
3581 case INQUIRY:
3582 if (scb->target_id == IPS_ADAPTER_ID) {
3583 /*
3584 * Either we have a TUR
3585 * or we have a SCSI inquiry
3586 */
3587 if (scb->scsi_cmd->cmnd[0] == TEST_UNIT_READY)
3588 scb->scsi_cmd->result = DID_OK << 16;
3589
3590 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
3591 IPS_SCSI_INQ_DATA inquiry;
3592
3593 memset(&inquiry, 0,
3594 sizeof (IPS_SCSI_INQ_DATA));
3595
3596 inquiry.DeviceType =
3597 IPS_SCSI_INQ_TYPE_PROCESSOR;
3598 inquiry.DeviceTypeQualifier =
3599 IPS_SCSI_INQ_LU_CONNECTED;
3600 inquiry.Version = IPS_SCSI_INQ_REV2;
3601 inquiry.ResponseDataFormat =
3602 IPS_SCSI_INQ_RD_REV2;
3603 inquiry.AdditionalLength = 31;
3604 inquiry.Flags[0] =
3605 IPS_SCSI_INQ_Address16;
3606 inquiry.Flags[1] =
3607 IPS_SCSI_INQ_WBus16 |
3608 IPS_SCSI_INQ_Sync;
3609 strncpy(inquiry.VendorId, "IBM ",
3610 8);
3611 strncpy(inquiry.ProductId,
3612 "SERVERAID ", 16);
3613 strncpy(inquiry.ProductRevisionLevel,
3614 "1.00", 4);
3615
3616 ips_scmd_buf_write(scb->scsi_cmd,
3617 &inquiry,
3618 sizeof (inquiry));
3619
3620 scb->scsi_cmd->result = DID_OK << 16;
3621 }
3622 } else {
3623 scb->cmd.logical_info.op_code = IPS_CMD_GET_LD_INFO;
3624 scb->cmd.logical_info.command_id = IPS_COMMAND_ID(ha, scb);
3625 scb->cmd.logical_info.reserved = 0;
3626 scb->cmd.logical_info.reserved2 = 0;
3627 scb->data_len = sizeof (IPS_LD_INFO);
3628 scb->data_busaddr = ha->logical_drive_info_dma_addr;
3629 scb->flags = 0;
3630 scb->cmd.logical_info.buffer_addr = scb->data_busaddr;
3631 ret = IPS_SUCCESS;
3632 }
3633
3634 break;
3635
3636 case REQUEST_SENSE:
3637 ips_reqsen(ha, scb);
3638 scb->scsi_cmd->result = DID_OK << 16;
3639 break;
3640
3641 case READ_6:
3642 case WRITE_6:
3643 if (!scb->sg_len) {
3644 scb->cmd.basic_io.op_code =
3645 (scb->scsi_cmd->cmnd[0] ==
3646 READ_6) ? IPS_CMD_READ : IPS_CMD_WRITE;
3647 scb->cmd.basic_io.enhanced_sg = 0;
3648 scb->cmd.basic_io.sg_addr =
3649 cpu_to_le32(scb->data_busaddr);
3650 } else {
3651 scb->cmd.basic_io.op_code =
3652 (scb->scsi_cmd->cmnd[0] ==
3653 READ_6) ? IPS_CMD_READ_SG :
3654 IPS_CMD_WRITE_SG;
3655 scb->cmd.basic_io.enhanced_sg =
3656 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3657 scb->cmd.basic_io.sg_addr =
3658 cpu_to_le32(scb->sg_busaddr);
3659 }
3660
3661 scb->cmd.basic_io.segment_4G = 0;
3662 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3663 scb->cmd.basic_io.log_drv = scb->target_id;
3664 scb->cmd.basic_io.sg_count = scb->sg_len;
3665
3666 if (scb->cmd.basic_io.lba)
3667 le32_add_cpu(&scb->cmd.basic_io.lba,
3668 le16_to_cpu(scb->cmd.basic_io.
3669 sector_count));
3670 else
3671 scb->cmd.basic_io.lba =
3672 (((scb->scsi_cmd->
3673 cmnd[1] & 0x1f) << 16) | (scb->scsi_cmd->
3674 cmnd[2] << 8) |
3675 (scb->scsi_cmd->cmnd[3]));
3676
3677 scb->cmd.basic_io.sector_count =
3678 cpu_to_le16(scb->data_len / IPS_BLKSIZE);
3679
3680 if (le16_to_cpu(scb->cmd.basic_io.sector_count) == 0)
3681 scb->cmd.basic_io.sector_count =
3682 cpu_to_le16(256);
3683
3684 ret = IPS_SUCCESS;
3685 break;
3686
3687 case READ_10:
3688 case WRITE_10:
3689 if (!scb->sg_len) {
3690 scb->cmd.basic_io.op_code =
3691 (scb->scsi_cmd->cmnd[0] ==
3692 READ_10) ? IPS_CMD_READ : IPS_CMD_WRITE;
3693 scb->cmd.basic_io.enhanced_sg = 0;
3694 scb->cmd.basic_io.sg_addr =
3695 cpu_to_le32(scb->data_busaddr);
3696 } else {
3697 scb->cmd.basic_io.op_code =
3698 (scb->scsi_cmd->cmnd[0] ==
3699 READ_10) ? IPS_CMD_READ_SG :
3700 IPS_CMD_WRITE_SG;
3701 scb->cmd.basic_io.enhanced_sg =
3702 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3703 scb->cmd.basic_io.sg_addr =
3704 cpu_to_le32(scb->sg_busaddr);
3705 }
3706
3707 scb->cmd.basic_io.segment_4G = 0;
3708 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3709 scb->cmd.basic_io.log_drv = scb->target_id;
3710 scb->cmd.basic_io.sg_count = scb->sg_len;
3711
3712 if (scb->cmd.basic_io.lba)
3713 le32_add_cpu(&scb->cmd.basic_io.lba,
3714 le16_to_cpu(scb->cmd.basic_io.
3715 sector_count));
3716 else
3717 scb->cmd.basic_io.lba =
3718 ((scb->scsi_cmd->cmnd[2] << 24) | (scb->
3719 scsi_cmd->
3720 cmnd[3]
3721 << 16) |
3722 (scb->scsi_cmd->cmnd[4] << 8) | scb->
3723 scsi_cmd->cmnd[5]);
3724
3725 scb->cmd.basic_io.sector_count =
3726 cpu_to_le16(scb->data_len / IPS_BLKSIZE);
3727
3728 if (cpu_to_le16(scb->cmd.basic_io.sector_count) == 0) {
3729 /*
3730 * This is a null condition
3731 * we don't have to do anything
3732 * so just return
3733 */
3734 scb->scsi_cmd->result = DID_OK << 16;
3735 } else
3736 ret = IPS_SUCCESS;
3737
3738 break;
3739
3740 case RESERVE:
3741 case RELEASE:
3742 scb->scsi_cmd->result = DID_OK << 16;
3743 break;
3744
3745 case MODE_SENSE:
3746 scb->cmd.basic_io.op_code = IPS_CMD_ENQUIRY;
3747 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3748 scb->cmd.basic_io.segment_4G = 0;
3749 scb->cmd.basic_io.enhanced_sg = 0;
3750 scb->data_len = sizeof (*ha->enq);
3751 scb->cmd.basic_io.sg_addr = ha->enq_busaddr;
3752 ret = IPS_SUCCESS;
3753 break;
3754
3755 case READ_CAPACITY:
3756 scb->cmd.logical_info.op_code = IPS_CMD_GET_LD_INFO;
3757 scb->cmd.logical_info.command_id = IPS_COMMAND_ID(ha, scb);
3758 scb->cmd.logical_info.reserved = 0;
3759 scb->cmd.logical_info.reserved2 = 0;
3760 scb->cmd.logical_info.reserved3 = 0;
3761 scb->data_len = sizeof (IPS_LD_INFO);
3762 scb->data_busaddr = ha->logical_drive_info_dma_addr;
3763 scb->flags = 0;
3764 scb->cmd.logical_info.buffer_addr = scb->data_busaddr;
3765 ret = IPS_SUCCESS;
3766 break;
3767
3768 case SEND_DIAGNOSTIC:
3769 case REASSIGN_BLOCKS:
3770 case FORMAT_UNIT:
3771 case SEEK_10:
3772 case VERIFY:
3773 case READ_DEFECT_DATA:
3774 case READ_BUFFER:
3775 case WRITE_BUFFER:
3776 scb->scsi_cmd->result = DID_OK << 16;
3777 break;
3778
3779 default:
3780 /* Set the Return Info to appear like the Command was */
3781 /* attempted, a Check Condition occurred, and Sense */
3782 /* Data indicating an Invalid CDB OpCode is returned. */
3783 sp = (char *) scb->scsi_cmd->sense_buffer;
3784
3785 sp[0] = 0x70; /* Error Code */
3786 sp[2] = ILLEGAL_REQUEST; /* Sense Key 5 Illegal Req. */
3787 sp[7] = 0x0A; /* Additional Sense Length */
3788 sp[12] = 0x20; /* ASC = Invalid OpCode */
3789 sp[13] = 0x00; /* ASCQ */
3790
3791 device_error = 2; /* Indicate Check Condition */
3792 scb->scsi_cmd->result = device_error | (DID_OK << 16);
3793 break;
3794 } /* end switch */
3795 }
3796 /* end if */
3797 if (ret == IPS_SUCCESS_IMM)
3798 return (ret);
3799
3800 /* setup DCDB */
3801 if (scb->bus > 0) {
3802
3803 /* If we already know the Device is Not there, no need to attempt a Command */
3804 /* This also protects an NT FailOver Controller from getting CDB's sent to it */
3805 if (ha->conf->dev[scb->bus - 1][scb->target_id].ucState == 0) {
3806 scb->scsi_cmd->result = DID_NO_CONNECT << 16;
3807 return (IPS_SUCCESS_IMM);
3808 }
3809
3810 ha->dcdb_active[scb->bus - 1] |= (1 << scb->target_id);
3811 scb->cmd.dcdb.command_id = IPS_COMMAND_ID(ha, scb);
3812 scb->cmd.dcdb.dcdb_address = cpu_to_le32(scb->scb_busaddr +
3813 (unsigned long) &scb->
3814 dcdb -
3815 (unsigned long) scb);
3816 scb->cmd.dcdb.reserved = 0;
3817 scb->cmd.dcdb.reserved2 = 0;
3818 scb->cmd.dcdb.reserved3 = 0;
3819 scb->cmd.dcdb.segment_4G = 0;
3820 scb->cmd.dcdb.enhanced_sg = 0;
3821
3822 TimeOut = scb->scsi_cmd->request->timeout;
3823
3824 if (ha->subsys->param[4] & 0x00100000) { /* If NEW Tape DCDB is Supported */
3825 if (!scb->sg_len) {
3826 scb->cmd.dcdb.op_code = IPS_CMD_EXTENDED_DCDB;
3827 } else {
3828 scb->cmd.dcdb.op_code =
3829 IPS_CMD_EXTENDED_DCDB_SG;
3830 scb->cmd.dcdb.enhanced_sg =
3831 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3832 }
3833
3834 tapeDCDB = (IPS_DCDB_TABLE_TAPE *) & scb->dcdb; /* Use Same Data Area as Old DCDB Struct */
3835 tapeDCDB->device_address =
3836 ((scb->bus - 1) << 4) | scb->target_id;
3837 tapeDCDB->cmd_attribute |= IPS_DISCONNECT_ALLOWED;
3838 tapeDCDB->cmd_attribute &= ~IPS_TRANSFER64K; /* Always Turn OFF 64K Size Flag */
3839
3840 if (TimeOut) {
3841 if (TimeOut < (10 * HZ))
3842 tapeDCDB->cmd_attribute |= IPS_TIMEOUT10; /* TimeOut is 10 Seconds */
3843 else if (TimeOut < (60 * HZ))
3844 tapeDCDB->cmd_attribute |= IPS_TIMEOUT60; /* TimeOut is 60 Seconds */
3845 else if (TimeOut < (1200 * HZ))
3846 tapeDCDB->cmd_attribute |= IPS_TIMEOUT20M; /* TimeOut is 20 Minutes */
3847 }
3848
3849 tapeDCDB->cdb_length = scb->scsi_cmd->cmd_len;
3850 tapeDCDB->reserved_for_LUN = 0;
3851 tapeDCDB->transfer_length = scb->data_len;
3852 if (scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB_SG)
3853 tapeDCDB->buffer_pointer =
3854 cpu_to_le32(scb->sg_busaddr);
3855 else
3856 tapeDCDB->buffer_pointer =
3857 cpu_to_le32(scb->data_busaddr);
3858 tapeDCDB->sg_count = scb->sg_len;
3859 tapeDCDB->sense_length = sizeof (tapeDCDB->sense_info);
3860 tapeDCDB->scsi_status = 0;
3861 tapeDCDB->reserved = 0;
3862 memcpy(tapeDCDB->scsi_cdb, scb->scsi_cmd->cmnd,
3863 scb->scsi_cmd->cmd_len);
3864 } else {
3865 if (!scb->sg_len) {
3866 scb->cmd.dcdb.op_code = IPS_CMD_DCDB;
3867 } else {
3868 scb->cmd.dcdb.op_code = IPS_CMD_DCDB_SG;
3869 scb->cmd.dcdb.enhanced_sg =
3870 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3871 }
3872
3873 scb->dcdb.device_address =
3874 ((scb->bus - 1) << 4) | scb->target_id;
3875 scb->dcdb.cmd_attribute |= IPS_DISCONNECT_ALLOWED;
3876
3877 if (TimeOut) {
3878 if (TimeOut < (10 * HZ))
3879 scb->dcdb.cmd_attribute |= IPS_TIMEOUT10; /* TimeOut is 10 Seconds */
3880 else if (TimeOut < (60 * HZ))
3881 scb->dcdb.cmd_attribute |= IPS_TIMEOUT60; /* TimeOut is 60 Seconds */
3882 else if (TimeOut < (1200 * HZ))
3883 scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M; /* TimeOut is 20 Minutes */
3884 }
3885
3886 scb->dcdb.transfer_length = scb->data_len;
3887 if (scb->dcdb.cmd_attribute & IPS_TRANSFER64K)
3888 scb->dcdb.transfer_length = 0;
3889 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB_SG)
3890 scb->dcdb.buffer_pointer =
3891 cpu_to_le32(scb->sg_busaddr);
3892 else
3893 scb->dcdb.buffer_pointer =
3894 cpu_to_le32(scb->data_busaddr);
3895 scb->dcdb.cdb_length = scb->scsi_cmd->cmd_len;
3896 scb->dcdb.sense_length = sizeof (scb->dcdb.sense_info);
3897 scb->dcdb.sg_count = scb->sg_len;
3898 scb->dcdb.reserved = 0;
3899 memcpy(scb->dcdb.scsi_cdb, scb->scsi_cmd->cmnd,
3900 scb->scsi_cmd->cmd_len);
3901 scb->dcdb.scsi_status = 0;
3902 scb->dcdb.reserved2[0] = 0;
3903 scb->dcdb.reserved2[1] = 0;
3904 scb->dcdb.reserved2[2] = 0;
3905 }
3906 }
3907
3908 return ((*ha->func.issue) (ha, scb));
3909 }
3910
3911 /****************************************************************************/
3912 /* */
3913 /* Routine Name: ips_chk_status */
3914 /* */
3915 /* Routine Description: */
3916 /* */
3917 /* Check the status of commands to logical drives */
3918 /* Assumed to be called with the HA lock */
3919 /****************************************************************************/
3920 static void
ips_chkstatus(ips_ha_t * ha,IPS_STATUS * pstatus)3921 ips_chkstatus(ips_ha_t * ha, IPS_STATUS * pstatus)
3922 {
3923 ips_scb_t *scb;
3924 ips_stat_t *sp;
3925 uint8_t basic_status;
3926 uint8_t ext_status;
3927 int errcode;
3928 IPS_SCSI_INQ_DATA inquiryData;
3929
3930 METHOD_TRACE("ips_chkstatus", 1);
3931
3932 scb = &ha->scbs[pstatus->fields.command_id];
3933 scb->basic_status = basic_status =
3934 pstatus->fields.basic_status & IPS_BASIC_STATUS_MASK;
3935 scb->extended_status = ext_status = pstatus->fields.extended_status;
3936
3937 sp = &ha->sp;
3938 sp->residue_len = 0;
3939 sp->scb_addr = (void *) scb;
3940
3941 /* Remove the item from the active queue */
3942 ips_removeq_scb(&ha->scb_activelist, scb);
3943
3944 if (!scb->scsi_cmd)
3945 /* internal commands are handled in do_ipsintr */
3946 return;
3947
3948 DEBUG_VAR(2, "(%s%d) ips_chkstatus: cmd 0x%X id %d (%d %d %d)",
3949 ips_name,
3950 ha->host_num,
3951 scb->cdb[0],
3952 scb->cmd.basic_io.command_id,
3953 scb->bus, scb->target_id, scb->lun);
3954
3955 if ((scb->scsi_cmd) && (ips_is_passthru(scb->scsi_cmd)))
3956 /* passthru - just returns the raw result */
3957 return;
3958
3959 errcode = DID_OK;
3960
3961 if (((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_SUCCESS) ||
3962 ((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_RECOVERED_ERROR)) {
3963
3964 if (scb->bus == 0) {
3965 if ((basic_status & IPS_GSC_STATUS_MASK) ==
3966 IPS_CMD_RECOVERED_ERROR) {
3967 DEBUG_VAR(1,
3968 "(%s%d) Recovered Logical Drive Error OpCode: %x, BSB: %x, ESB: %x",
3969 ips_name, ha->host_num,
3970 scb->cmd.basic_io.op_code,
3971 basic_status, ext_status);
3972 }
3973
3974 switch (scb->scsi_cmd->cmnd[0]) {
3975 case ALLOW_MEDIUM_REMOVAL:
3976 case REZERO_UNIT:
3977 case ERASE:
3978 case WRITE_FILEMARKS:
3979 case SPACE:
3980 errcode = DID_ERROR;
3981 break;
3982
3983 case START_STOP:
3984 break;
3985
3986 case TEST_UNIT_READY:
3987 if (!ips_online(ha, scb)) {
3988 errcode = DID_TIME_OUT;
3989 }
3990 break;
3991
3992 case INQUIRY:
3993 if (ips_online(ha, scb)) {
3994 ips_inquiry(ha, scb);
3995 } else {
3996 errcode = DID_TIME_OUT;
3997 }
3998 break;
3999
4000 case REQUEST_SENSE:
4001 ips_reqsen(ha, scb);
4002 break;
4003
4004 case READ_6:
4005 case WRITE_6:
4006 case READ_10:
4007 case WRITE_10:
4008 case RESERVE:
4009 case RELEASE:
4010 break;
4011
4012 case MODE_SENSE:
4013 if (!ips_online(ha, scb)
4014 || !ips_msense(ha, scb)) {
4015 errcode = DID_ERROR;
4016 }
4017 break;
4018
4019 case READ_CAPACITY:
4020 if (ips_online(ha, scb))
4021 ips_rdcap(ha, scb);
4022 else {
4023 errcode = DID_TIME_OUT;
4024 }
4025 break;
4026
4027 case SEND_DIAGNOSTIC:
4028 case REASSIGN_BLOCKS:
4029 break;
4030
4031 case FORMAT_UNIT:
4032 errcode = DID_ERROR;
4033 break;
4034
4035 case SEEK_10:
4036 case VERIFY:
4037 case READ_DEFECT_DATA:
4038 case READ_BUFFER:
4039 case WRITE_BUFFER:
4040 break;
4041
4042 default:
4043 errcode = DID_ERROR;
4044 } /* end switch */
4045
4046 scb->scsi_cmd->result = errcode << 16;
4047 } else { /* bus == 0 */
4048 /* restrict access to physical drives */
4049 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
4050 ips_scmd_buf_read(scb->scsi_cmd,
4051 &inquiryData, sizeof (inquiryData));
4052 if ((inquiryData.DeviceType & 0x1f) == TYPE_DISK)
4053 scb->scsi_cmd->result = DID_TIME_OUT << 16;
4054 }
4055 } /* else */
4056 } else { /* recovered error / success */
4057 if (scb->bus == 0) {
4058 DEBUG_VAR(1,
4059 "(%s%d) Unrecovered Logical Drive Error OpCode: %x, BSB: %x, ESB: %x",
4060 ips_name, ha->host_num,
4061 scb->cmd.basic_io.op_code, basic_status,
4062 ext_status);
4063 }
4064
4065 ips_map_status(ha, scb, sp);
4066 } /* else */
4067 }
4068
4069 /****************************************************************************/
4070 /* */
4071 /* Routine Name: ips_online */
4072 /* */
4073 /* Routine Description: */
4074 /* */
4075 /* Determine if a logical drive is online */
4076 /* */
4077 /****************************************************************************/
4078 static int
ips_online(ips_ha_t * ha,ips_scb_t * scb)4079 ips_online(ips_ha_t * ha, ips_scb_t * scb)
4080 {
4081 METHOD_TRACE("ips_online", 1);
4082
4083 if (scb->target_id >= IPS_MAX_LD)
4084 return (0);
4085
4086 if ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1) {
4087 memset(ha->logical_drive_info, 0, sizeof (IPS_LD_INFO));
4088 return (0);
4089 }
4090
4091 if (ha->logical_drive_info->drive_info[scb->target_id].state !=
4092 IPS_LD_OFFLINE
4093 && ha->logical_drive_info->drive_info[scb->target_id].state !=
4094 IPS_LD_FREE
4095 && ha->logical_drive_info->drive_info[scb->target_id].state !=
4096 IPS_LD_CRS
4097 && ha->logical_drive_info->drive_info[scb->target_id].state !=
4098 IPS_LD_SYS)
4099 return (1);
4100 else
4101 return (0);
4102 }
4103
4104 /****************************************************************************/
4105 /* */
4106 /* Routine Name: ips_inquiry */
4107 /* */
4108 /* Routine Description: */
4109 /* */
4110 /* Simulate an inquiry command to a logical drive */
4111 /* */
4112 /****************************************************************************/
4113 static int
ips_inquiry(ips_ha_t * ha,ips_scb_t * scb)4114 ips_inquiry(ips_ha_t * ha, ips_scb_t * scb)
4115 {
4116 IPS_SCSI_INQ_DATA inquiry;
4117
4118 METHOD_TRACE("ips_inquiry", 1);
4119
4120 memset(&inquiry, 0, sizeof (IPS_SCSI_INQ_DATA));
4121
4122 inquiry.DeviceType = IPS_SCSI_INQ_TYPE_DASD;
4123 inquiry.DeviceTypeQualifier = IPS_SCSI_INQ_LU_CONNECTED;
4124 inquiry.Version = IPS_SCSI_INQ_REV2;
4125 inquiry.ResponseDataFormat = IPS_SCSI_INQ_RD_REV2;
4126 inquiry.AdditionalLength = 31;
4127 inquiry.Flags[0] = IPS_SCSI_INQ_Address16;
4128 inquiry.Flags[1] =
4129 IPS_SCSI_INQ_WBus16 | IPS_SCSI_INQ_Sync | IPS_SCSI_INQ_CmdQue;
4130 strncpy(inquiry.VendorId, "IBM ", 8);
4131 strncpy(inquiry.ProductId, "SERVERAID ", 16);
4132 strncpy(inquiry.ProductRevisionLevel, "1.00", 4);
4133
4134 ips_scmd_buf_write(scb->scsi_cmd, &inquiry, sizeof (inquiry));
4135
4136 return (1);
4137 }
4138
4139 /****************************************************************************/
4140 /* */
4141 /* Routine Name: ips_rdcap */
4142 /* */
4143 /* Routine Description: */
4144 /* */
4145 /* Simulate a read capacity command to a logical drive */
4146 /* */
4147 /****************************************************************************/
4148 static int
ips_rdcap(ips_ha_t * ha,ips_scb_t * scb)4149 ips_rdcap(ips_ha_t * ha, ips_scb_t * scb)
4150 {
4151 IPS_SCSI_CAPACITY cap;
4152
4153 METHOD_TRACE("ips_rdcap", 1);
4154
4155 if (scsi_bufflen(scb->scsi_cmd) < 8)
4156 return (0);
4157
4158 cap.lba =
4159 cpu_to_be32(le32_to_cpu
4160 (ha->logical_drive_info->
4161 drive_info[scb->target_id].sector_count) - 1);
4162 cap.len = cpu_to_be32((uint32_t) IPS_BLKSIZE);
4163
4164 ips_scmd_buf_write(scb->scsi_cmd, &cap, sizeof (cap));
4165
4166 return (1);
4167 }
4168
4169 /****************************************************************************/
4170 /* */
4171 /* Routine Name: ips_msense */
4172 /* */
4173 /* Routine Description: */
4174 /* */
4175 /* Simulate a mode sense command to a logical drive */
4176 /* */
4177 /****************************************************************************/
4178 static int
ips_msense(ips_ha_t * ha,ips_scb_t * scb)4179 ips_msense(ips_ha_t * ha, ips_scb_t * scb)
4180 {
4181 uint16_t heads;
4182 uint16_t sectors;
4183 uint32_t cylinders;
4184 IPS_SCSI_MODE_PAGE_DATA mdata;
4185
4186 METHOD_TRACE("ips_msense", 1);
4187
4188 if (le32_to_cpu(ha->enq->ulDriveSize[scb->target_id]) > 0x400000 &&
4189 (ha->enq->ucMiscFlag & 0x8) == 0) {
4190 heads = IPS_NORM_HEADS;
4191 sectors = IPS_NORM_SECTORS;
4192 } else {
4193 heads = IPS_COMP_HEADS;
4194 sectors = IPS_COMP_SECTORS;
4195 }
4196
4197 cylinders =
4198 (le32_to_cpu(ha->enq->ulDriveSize[scb->target_id]) -
4199 1) / (heads * sectors);
4200
4201 memset(&mdata, 0, sizeof (IPS_SCSI_MODE_PAGE_DATA));
4202
4203 mdata.hdr.BlockDescLength = 8;
4204
4205 switch (scb->scsi_cmd->cmnd[2] & 0x3f) {
4206 case 0x03: /* page 3 */
4207 mdata.pdata.pg3.PageCode = 3;
4208 mdata.pdata.pg3.PageLength = sizeof (IPS_SCSI_MODE_PAGE3);
4209 mdata.hdr.DataLength =
4210 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg3.PageLength;
4211 mdata.pdata.pg3.TracksPerZone = 0;
4212 mdata.pdata.pg3.AltSectorsPerZone = 0;
4213 mdata.pdata.pg3.AltTracksPerZone = 0;
4214 mdata.pdata.pg3.AltTracksPerVolume = 0;
4215 mdata.pdata.pg3.SectorsPerTrack = cpu_to_be16(sectors);
4216 mdata.pdata.pg3.BytesPerSector = cpu_to_be16(IPS_BLKSIZE);
4217 mdata.pdata.pg3.Interleave = cpu_to_be16(1);
4218 mdata.pdata.pg3.TrackSkew = 0;
4219 mdata.pdata.pg3.CylinderSkew = 0;
4220 mdata.pdata.pg3.flags = IPS_SCSI_MP3_SoftSector;
4221 break;
4222
4223 case 0x4:
4224 mdata.pdata.pg4.PageCode = 4;
4225 mdata.pdata.pg4.PageLength = sizeof (IPS_SCSI_MODE_PAGE4);
4226 mdata.hdr.DataLength =
4227 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg4.PageLength;
4228 mdata.pdata.pg4.CylindersHigh =
4229 cpu_to_be16((cylinders >> 8) & 0xFFFF);
4230 mdata.pdata.pg4.CylindersLow = (cylinders & 0xFF);
4231 mdata.pdata.pg4.Heads = heads;
4232 mdata.pdata.pg4.WritePrecompHigh = 0;
4233 mdata.pdata.pg4.WritePrecompLow = 0;
4234 mdata.pdata.pg4.ReducedWriteCurrentHigh = 0;
4235 mdata.pdata.pg4.ReducedWriteCurrentLow = 0;
4236 mdata.pdata.pg4.StepRate = cpu_to_be16(1);
4237 mdata.pdata.pg4.LandingZoneHigh = 0;
4238 mdata.pdata.pg4.LandingZoneLow = 0;
4239 mdata.pdata.pg4.flags = 0;
4240 mdata.pdata.pg4.RotationalOffset = 0;
4241 mdata.pdata.pg4.MediumRotationRate = 0;
4242 break;
4243 case 0x8:
4244 mdata.pdata.pg8.PageCode = 8;
4245 mdata.pdata.pg8.PageLength = sizeof (IPS_SCSI_MODE_PAGE8);
4246 mdata.hdr.DataLength =
4247 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg8.PageLength;
4248 /* everything else is left set to 0 */
4249 break;
4250
4251 default:
4252 return (0);
4253 } /* end switch */
4254
4255 ips_scmd_buf_write(scb->scsi_cmd, &mdata, sizeof (mdata));
4256
4257 return (1);
4258 }
4259
4260 /****************************************************************************/
4261 /* */
4262 /* Routine Name: ips_reqsen */
4263 /* */
4264 /* Routine Description: */
4265 /* */
4266 /* Simulate a request sense command to a logical drive */
4267 /* */
4268 /****************************************************************************/
4269 static int
ips_reqsen(ips_ha_t * ha,ips_scb_t * scb)4270 ips_reqsen(ips_ha_t * ha, ips_scb_t * scb)
4271 {
4272 IPS_SCSI_REQSEN reqsen;
4273
4274 METHOD_TRACE("ips_reqsen", 1);
4275
4276 memset(&reqsen, 0, sizeof (IPS_SCSI_REQSEN));
4277
4278 reqsen.ResponseCode =
4279 IPS_SCSI_REQSEN_VALID | IPS_SCSI_REQSEN_CURRENT_ERR;
4280 reqsen.AdditionalLength = 10;
4281 reqsen.AdditionalSenseCode = IPS_SCSI_REQSEN_NO_SENSE;
4282 reqsen.AdditionalSenseCodeQual = IPS_SCSI_REQSEN_NO_SENSE;
4283
4284 ips_scmd_buf_write(scb->scsi_cmd, &reqsen, sizeof (reqsen));
4285
4286 return (1);
4287 }
4288
4289 /****************************************************************************/
4290 /* */
4291 /* Routine Name: ips_free */
4292 /* */
4293 /* Routine Description: */
4294 /* */
4295 /* Free any allocated space for this controller */
4296 /* */
4297 /****************************************************************************/
4298 static void
ips_free(ips_ha_t * ha)4299 ips_free(ips_ha_t * ha)
4300 {
4301
4302 METHOD_TRACE("ips_free", 1);
4303
4304 if (ha) {
4305 if (ha->enq) {
4306 pci_free_consistent(ha->pcidev, sizeof(IPS_ENQ),
4307 ha->enq, ha->enq_busaddr);
4308 ha->enq = NULL;
4309 }
4310
4311 kfree(ha->conf);
4312 ha->conf = NULL;
4313
4314 if (ha->adapt) {
4315 pci_free_consistent(ha->pcidev,
4316 sizeof (IPS_ADAPTER) +
4317 sizeof (IPS_IO_CMD), ha->adapt,
4318 ha->adapt->hw_status_start);
4319 ha->adapt = NULL;
4320 }
4321
4322 if (ha->logical_drive_info) {
4323 pci_free_consistent(ha->pcidev,
4324 sizeof (IPS_LD_INFO),
4325 ha->logical_drive_info,
4326 ha->logical_drive_info_dma_addr);
4327 ha->logical_drive_info = NULL;
4328 }
4329
4330 kfree(ha->nvram);
4331 ha->nvram = NULL;
4332
4333 kfree(ha->subsys);
4334 ha->subsys = NULL;
4335
4336 if (ha->ioctl_data) {
4337 pci_free_consistent(ha->pcidev, ha->ioctl_len,
4338 ha->ioctl_data, ha->ioctl_busaddr);
4339 ha->ioctl_data = NULL;
4340 ha->ioctl_datasize = 0;
4341 ha->ioctl_len = 0;
4342 }
4343 ips_deallocatescbs(ha, ha->max_cmds);
4344
4345 /* free memory mapped (if applicable) */
4346 if (ha->mem_ptr) {
4347 iounmap(ha->ioremap_ptr);
4348 ha->ioremap_ptr = NULL;
4349 ha->mem_ptr = NULL;
4350 }
4351
4352 ha->mem_addr = 0;
4353
4354 }
4355 }
4356
4357 /****************************************************************************/
4358 /* */
4359 /* Routine Name: ips_deallocatescbs */
4360 /* */
4361 /* Routine Description: */
4362 /* */
4363 /* Free the command blocks */
4364 /* */
4365 /****************************************************************************/
4366 static int
ips_deallocatescbs(ips_ha_t * ha,int cmds)4367 ips_deallocatescbs(ips_ha_t * ha, int cmds)
4368 {
4369 if (ha->scbs) {
4370 pci_free_consistent(ha->pcidev,
4371 IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * cmds,
4372 ha->scbs->sg_list.list,
4373 ha->scbs->sg_busaddr);
4374 pci_free_consistent(ha->pcidev, sizeof (ips_scb_t) * cmds,
4375 ha->scbs, ha->scbs->scb_busaddr);
4376 ha->scbs = NULL;
4377 } /* end if */
4378 return 1;
4379 }
4380
4381 /****************************************************************************/
4382 /* */
4383 /* Routine Name: ips_allocatescbs */
4384 /* */
4385 /* Routine Description: */
4386 /* */
4387 /* Allocate the command blocks */
4388 /* */
4389 /****************************************************************************/
4390 static int
ips_allocatescbs(ips_ha_t * ha)4391 ips_allocatescbs(ips_ha_t * ha)
4392 {
4393 ips_scb_t *scb_p;
4394 IPS_SG_LIST ips_sg;
4395 int i;
4396 dma_addr_t command_dma, sg_dma;
4397
4398 METHOD_TRACE("ips_allocatescbs", 1);
4399
4400 /* Allocate memory for the SCBs */
4401 ha->scbs =
4402 pci_alloc_consistent(ha->pcidev, ha->max_cmds * sizeof (ips_scb_t),
4403 &command_dma);
4404 if (ha->scbs == NULL)
4405 return 0;
4406 ips_sg.list =
4407 pci_alloc_consistent(ha->pcidev,
4408 IPS_SGLIST_SIZE(ha) * IPS_MAX_SG *
4409 ha->max_cmds, &sg_dma);
4410 if (ips_sg.list == NULL) {
4411 pci_free_consistent(ha->pcidev,
4412 ha->max_cmds * sizeof (ips_scb_t), ha->scbs,
4413 command_dma);
4414 return 0;
4415 }
4416
4417 memset(ha->scbs, 0, ha->max_cmds * sizeof (ips_scb_t));
4418
4419 for (i = 0; i < ha->max_cmds; i++) {
4420 scb_p = &ha->scbs[i];
4421 scb_p->scb_busaddr = command_dma + sizeof (ips_scb_t) * i;
4422 /* set up S/G list */
4423 if (IPS_USE_ENH_SGLIST(ha)) {
4424 scb_p->sg_list.enh_list =
4425 ips_sg.enh_list + i * IPS_MAX_SG;
4426 scb_p->sg_busaddr =
4427 sg_dma + IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * i;
4428 } else {
4429 scb_p->sg_list.std_list =
4430 ips_sg.std_list + i * IPS_MAX_SG;
4431 scb_p->sg_busaddr =
4432 sg_dma + IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * i;
4433 }
4434
4435 /* add to the free list */
4436 if (i < ha->max_cmds - 1) {
4437 scb_p->q_next = ha->scb_freelist;
4438 ha->scb_freelist = scb_p;
4439 }
4440 }
4441
4442 /* success */
4443 return (1);
4444 }
4445
4446 /****************************************************************************/
4447 /* */
4448 /* Routine Name: ips_init_scb */
4449 /* */
4450 /* Routine Description: */
4451 /* */
4452 /* Initialize a CCB to default values */
4453 /* */
4454 /****************************************************************************/
4455 static void
ips_init_scb(ips_ha_t * ha,ips_scb_t * scb)4456 ips_init_scb(ips_ha_t * ha, ips_scb_t * scb)
4457 {
4458 IPS_SG_LIST sg_list;
4459 uint32_t cmd_busaddr, sg_busaddr;
4460 METHOD_TRACE("ips_init_scb", 1);
4461
4462 if (scb == NULL)
4463 return;
4464
4465 sg_list.list = scb->sg_list.list;
4466 cmd_busaddr = scb->scb_busaddr;
4467 sg_busaddr = scb->sg_busaddr;
4468 /* zero fill */
4469 memset(scb, 0, sizeof (ips_scb_t));
4470 memset(ha->dummy, 0, sizeof (IPS_IO_CMD));
4471
4472 /* Initialize dummy command bucket */
4473 ha->dummy->op_code = 0xFF;
4474 ha->dummy->ccsar = cpu_to_le32(ha->adapt->hw_status_start
4475 + sizeof (IPS_ADAPTER));
4476 ha->dummy->command_id = IPS_MAX_CMDS;
4477
4478 /* set bus address of scb */
4479 scb->scb_busaddr = cmd_busaddr;
4480 scb->sg_busaddr = sg_busaddr;
4481 scb->sg_list.list = sg_list.list;
4482
4483 /* Neptune Fix */
4484 scb->cmd.basic_io.cccr = cpu_to_le32((uint32_t) IPS_BIT_ILE);
4485 scb->cmd.basic_io.ccsar = cpu_to_le32(ha->adapt->hw_status_start
4486 + sizeof (IPS_ADAPTER));
4487 }
4488
4489 /****************************************************************************/
4490 /* */
4491 /* Routine Name: ips_get_scb */
4492 /* */
4493 /* Routine Description: */
4494 /* */
4495 /* Initialize a CCB to default values */
4496 /* */
4497 /* ASSUMED to be callled from within a lock */
4498 /* */
4499 /****************************************************************************/
4500 static ips_scb_t *
ips_getscb(ips_ha_t * ha)4501 ips_getscb(ips_ha_t * ha)
4502 {
4503 ips_scb_t *scb;
4504
4505 METHOD_TRACE("ips_getscb", 1);
4506
4507 if ((scb = ha->scb_freelist) == NULL) {
4508
4509 return (NULL);
4510 }
4511
4512 ha->scb_freelist = scb->q_next;
4513 scb->flags = 0;
4514 scb->q_next = NULL;
4515
4516 ips_init_scb(ha, scb);
4517
4518 return (scb);
4519 }
4520
4521 /****************************************************************************/
4522 /* */
4523 /* Routine Name: ips_free_scb */
4524 /* */
4525 /* Routine Description: */
4526 /* */
4527 /* Return an unused CCB back to the free list */
4528 /* */
4529 /* ASSUMED to be called from within a lock */
4530 /* */
4531 /****************************************************************************/
4532 static void
ips_freescb(ips_ha_t * ha,ips_scb_t * scb)4533 ips_freescb(ips_ha_t * ha, ips_scb_t * scb)
4534 {
4535
4536 METHOD_TRACE("ips_freescb", 1);
4537 if (scb->flags & IPS_SCB_MAP_SG)
4538 scsi_dma_unmap(scb->scsi_cmd);
4539 else if (scb->flags & IPS_SCB_MAP_SINGLE)
4540 pci_unmap_single(ha->pcidev, scb->data_busaddr, scb->data_len,
4541 IPS_DMA_DIR(scb));
4542
4543 /* check to make sure this is not our "special" scb */
4544 if (IPS_COMMAND_ID(ha, scb) < (ha->max_cmds - 1)) {
4545 scb->q_next = ha->scb_freelist;
4546 ha->scb_freelist = scb;
4547 }
4548 }
4549
4550 /****************************************************************************/
4551 /* */
4552 /* Routine Name: ips_isinit_copperhead */
4553 /* */
4554 /* Routine Description: */
4555 /* */
4556 /* Is controller initialized ? */
4557 /* */
4558 /****************************************************************************/
4559 static int
ips_isinit_copperhead(ips_ha_t * ha)4560 ips_isinit_copperhead(ips_ha_t * ha)
4561 {
4562 uint8_t scpr;
4563 uint8_t isr;
4564
4565 METHOD_TRACE("ips_isinit_copperhead", 1);
4566
4567 isr = inb(ha->io_addr + IPS_REG_HISR);
4568 scpr = inb(ha->io_addr + IPS_REG_SCPR);
4569
4570 if (((isr & IPS_BIT_EI) == 0) && ((scpr & IPS_BIT_EBM) == 0))
4571 return (0);
4572 else
4573 return (1);
4574 }
4575
4576 /****************************************************************************/
4577 /* */
4578 /* Routine Name: ips_isinit_copperhead_memio */
4579 /* */
4580 /* Routine Description: */
4581 /* */
4582 /* Is controller initialized ? */
4583 /* */
4584 /****************************************************************************/
4585 static int
ips_isinit_copperhead_memio(ips_ha_t * ha)4586 ips_isinit_copperhead_memio(ips_ha_t * ha)
4587 {
4588 uint8_t isr = 0;
4589 uint8_t scpr;
4590
4591 METHOD_TRACE("ips_is_init_copperhead_memio", 1);
4592
4593 isr = readb(ha->mem_ptr + IPS_REG_HISR);
4594 scpr = readb(ha->mem_ptr + IPS_REG_SCPR);
4595
4596 if (((isr & IPS_BIT_EI) == 0) && ((scpr & IPS_BIT_EBM) == 0))
4597 return (0);
4598 else
4599 return (1);
4600 }
4601
4602 /****************************************************************************/
4603 /* */
4604 /* Routine Name: ips_isinit_morpheus */
4605 /* */
4606 /* Routine Description: */
4607 /* */
4608 /* Is controller initialized ? */
4609 /* */
4610 /****************************************************************************/
4611 static int
ips_isinit_morpheus(ips_ha_t * ha)4612 ips_isinit_morpheus(ips_ha_t * ha)
4613 {
4614 uint32_t post;
4615 uint32_t bits;
4616
4617 METHOD_TRACE("ips_is_init_morpheus", 1);
4618
4619 if (ips_isintr_morpheus(ha))
4620 ips_flush_and_reset(ha);
4621
4622 post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
4623 bits = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
4624
4625 if (post == 0)
4626 return (0);
4627 else if (bits & 0x3)
4628 return (0);
4629 else
4630 return (1);
4631 }
4632
4633 /****************************************************************************/
4634 /* */
4635 /* Routine Name: ips_flush_and_reset */
4636 /* */
4637 /* Routine Description: */
4638 /* */
4639 /* Perform cleanup ( FLUSH and RESET ) when the adapter is in an unknown */
4640 /* state ( was trying to INIT and an interrupt was already pending ) ... */
4641 /* */
4642 /****************************************************************************/
4643 static void
ips_flush_and_reset(ips_ha_t * ha)4644 ips_flush_and_reset(ips_ha_t *ha)
4645 {
4646 ips_scb_t *scb;
4647 int ret;
4648 int time;
4649 int done;
4650 dma_addr_t command_dma;
4651
4652 /* Create a usuable SCB */
4653 scb = pci_alloc_consistent(ha->pcidev, sizeof(ips_scb_t), &command_dma);
4654 if (scb) {
4655 memset(scb, 0, sizeof(ips_scb_t));
4656 ips_init_scb(ha, scb);
4657 scb->scb_busaddr = command_dma;
4658
4659 scb->timeout = ips_cmd_timeout;
4660 scb->cdb[0] = IPS_CMD_FLUSH;
4661
4662 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
4663 scb->cmd.flush_cache.command_id = IPS_MAX_CMDS; /* Use an ID that would otherwise not exist */
4664 scb->cmd.flush_cache.state = IPS_NORM_STATE;
4665 scb->cmd.flush_cache.reserved = 0;
4666 scb->cmd.flush_cache.reserved2 = 0;
4667 scb->cmd.flush_cache.reserved3 = 0;
4668 scb->cmd.flush_cache.reserved4 = 0;
4669
4670 ret = ips_send_cmd(ha, scb); /* Send the Flush Command */
4671
4672 if (ret == IPS_SUCCESS) {
4673 time = 60 * IPS_ONE_SEC; /* Max Wait time is 60 seconds */
4674 done = 0;
4675
4676 while ((time > 0) && (!done)) {
4677 done = ips_poll_for_flush_complete(ha);
4678 /* This may look evil, but it's only done during extremely rare start-up conditions ! */
4679 udelay(1000);
4680 time--;
4681 }
4682 }
4683 }
4684
4685 /* Now RESET and INIT the adapter */
4686 (*ha->func.reset) (ha);
4687
4688 pci_free_consistent(ha->pcidev, sizeof(ips_scb_t), scb, command_dma);
4689 return;
4690 }
4691
4692 /****************************************************************************/
4693 /* */
4694 /* Routine Name: ips_poll_for_flush_complete */
4695 /* */
4696 /* Routine Description: */
4697 /* */
4698 /* Poll for the Flush Command issued by ips_flush_and_reset() to complete */
4699 /* All other responses are just taken off the queue and ignored */
4700 /* */
4701 /****************************************************************************/
4702 static int
ips_poll_for_flush_complete(ips_ha_t * ha)4703 ips_poll_for_flush_complete(ips_ha_t * ha)
4704 {
4705 IPS_STATUS cstatus;
4706
4707 while (TRUE) {
4708 cstatus.value = (*ha->func.statupd) (ha);
4709
4710 if (cstatus.value == 0xffffffff) /* If No Interrupt to process */
4711 break;
4712
4713 /* Success is when we see the Flush Command ID */
4714 if (cstatus.fields.command_id == IPS_MAX_CMDS)
4715 return 1;
4716 }
4717
4718 return 0;
4719 }
4720
4721 /****************************************************************************/
4722 /* */
4723 /* Routine Name: ips_enable_int_copperhead */
4724 /* */
4725 /* Routine Description: */
4726 /* Turn on interrupts */
4727 /* */
4728 /****************************************************************************/
4729 static void
ips_enable_int_copperhead(ips_ha_t * ha)4730 ips_enable_int_copperhead(ips_ha_t * ha)
4731 {
4732 METHOD_TRACE("ips_enable_int_copperhead", 1);
4733
4734 outb(ha->io_addr + IPS_REG_HISR, IPS_BIT_EI);
4735 inb(ha->io_addr + IPS_REG_HISR); /*Ensure PCI Posting Completes*/
4736 }
4737
4738 /****************************************************************************/
4739 /* */
4740 /* Routine Name: ips_enable_int_copperhead_memio */
4741 /* */
4742 /* Routine Description: */
4743 /* Turn on interrupts */
4744 /* */
4745 /****************************************************************************/
4746 static void
ips_enable_int_copperhead_memio(ips_ha_t * ha)4747 ips_enable_int_copperhead_memio(ips_ha_t * ha)
4748 {
4749 METHOD_TRACE("ips_enable_int_copperhead_memio", 1);
4750
4751 writeb(IPS_BIT_EI, ha->mem_ptr + IPS_REG_HISR);
4752 readb(ha->mem_ptr + IPS_REG_HISR); /*Ensure PCI Posting Completes*/
4753 }
4754
4755 /****************************************************************************/
4756 /* */
4757 /* Routine Name: ips_enable_int_morpheus */
4758 /* */
4759 /* Routine Description: */
4760 /* Turn on interrupts */
4761 /* */
4762 /****************************************************************************/
4763 static void
ips_enable_int_morpheus(ips_ha_t * ha)4764 ips_enable_int_morpheus(ips_ha_t * ha)
4765 {
4766 uint32_t Oimr;
4767
4768 METHOD_TRACE("ips_enable_int_morpheus", 1);
4769
4770 Oimr = readl(ha->mem_ptr + IPS_REG_I960_OIMR);
4771 Oimr &= ~0x08;
4772 writel(Oimr, ha->mem_ptr + IPS_REG_I960_OIMR);
4773 readl(ha->mem_ptr + IPS_REG_I960_OIMR); /*Ensure PCI Posting Completes*/
4774 }
4775
4776 /****************************************************************************/
4777 /* */
4778 /* Routine Name: ips_init_copperhead */
4779 /* */
4780 /* Routine Description: */
4781 /* */
4782 /* Initialize a copperhead controller */
4783 /* */
4784 /****************************************************************************/
4785 static int
ips_init_copperhead(ips_ha_t * ha)4786 ips_init_copperhead(ips_ha_t * ha)
4787 {
4788 uint8_t Isr;
4789 uint8_t Cbsp;
4790 uint8_t PostByte[IPS_MAX_POST_BYTES];
4791 uint8_t ConfigByte[IPS_MAX_CONFIG_BYTES];
4792 int i, j;
4793
4794 METHOD_TRACE("ips_init_copperhead", 1);
4795
4796 for (i = 0; i < IPS_MAX_POST_BYTES; i++) {
4797 for (j = 0; j < 45; j++) {
4798 Isr = inb(ha->io_addr + IPS_REG_HISR);
4799 if (Isr & IPS_BIT_GHI)
4800 break;
4801
4802 /* Delay for 1 Second */
4803 MDELAY(IPS_ONE_SEC);
4804 }
4805
4806 if (j >= 45)
4807 /* error occurred */
4808 return (0);
4809
4810 PostByte[i] = inb(ha->io_addr + IPS_REG_ISPR);
4811 outb(Isr, ha->io_addr + IPS_REG_HISR);
4812 }
4813
4814 if (PostByte[0] < IPS_GOOD_POST_STATUS) {
4815 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4816 "reset controller fails (post status %x %x).\n",
4817 PostByte[0], PostByte[1]);
4818
4819 return (0);
4820 }
4821
4822 for (i = 0; i < IPS_MAX_CONFIG_BYTES; i++) {
4823 for (j = 0; j < 240; j++) {
4824 Isr = inb(ha->io_addr + IPS_REG_HISR);
4825 if (Isr & IPS_BIT_GHI)
4826 break;
4827
4828 /* Delay for 1 Second */
4829 MDELAY(IPS_ONE_SEC);
4830 }
4831
4832 if (j >= 240)
4833 /* error occurred */
4834 return (0);
4835
4836 ConfigByte[i] = inb(ha->io_addr + IPS_REG_ISPR);
4837 outb(Isr, ha->io_addr + IPS_REG_HISR);
4838 }
4839
4840 for (i = 0; i < 240; i++) {
4841 Cbsp = inb(ha->io_addr + IPS_REG_CBSP);
4842
4843 if ((Cbsp & IPS_BIT_OP) == 0)
4844 break;
4845
4846 /* Delay for 1 Second */
4847 MDELAY(IPS_ONE_SEC);
4848 }
4849
4850 if (i >= 240)
4851 /* reset failed */
4852 return (0);
4853
4854 /* setup CCCR */
4855 outl(0x1010, ha->io_addr + IPS_REG_CCCR);
4856
4857 /* Enable busmastering */
4858 outb(IPS_BIT_EBM, ha->io_addr + IPS_REG_SCPR);
4859
4860 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
4861 /* fix for anaconda64 */
4862 outl(0, ha->io_addr + IPS_REG_NDAE);
4863
4864 /* Enable interrupts */
4865 outb(IPS_BIT_EI, ha->io_addr + IPS_REG_HISR);
4866
4867 return (1);
4868 }
4869
4870 /****************************************************************************/
4871 /* */
4872 /* Routine Name: ips_init_copperhead_memio */
4873 /* */
4874 /* Routine Description: */
4875 /* */
4876 /* Initialize a copperhead controller with memory mapped I/O */
4877 /* */
4878 /****************************************************************************/
4879 static int
ips_init_copperhead_memio(ips_ha_t * ha)4880 ips_init_copperhead_memio(ips_ha_t * ha)
4881 {
4882 uint8_t Isr = 0;
4883 uint8_t Cbsp;
4884 uint8_t PostByte[IPS_MAX_POST_BYTES];
4885 uint8_t ConfigByte[IPS_MAX_CONFIG_BYTES];
4886 int i, j;
4887
4888 METHOD_TRACE("ips_init_copperhead_memio", 1);
4889
4890 for (i = 0; i < IPS_MAX_POST_BYTES; i++) {
4891 for (j = 0; j < 45; j++) {
4892 Isr = readb(ha->mem_ptr + IPS_REG_HISR);
4893 if (Isr & IPS_BIT_GHI)
4894 break;
4895
4896 /* Delay for 1 Second */
4897 MDELAY(IPS_ONE_SEC);
4898 }
4899
4900 if (j >= 45)
4901 /* error occurred */
4902 return (0);
4903
4904 PostByte[i] = readb(ha->mem_ptr + IPS_REG_ISPR);
4905 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
4906 }
4907
4908 if (PostByte[0] < IPS_GOOD_POST_STATUS) {
4909 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4910 "reset controller fails (post status %x %x).\n",
4911 PostByte[0], PostByte[1]);
4912
4913 return (0);
4914 }
4915
4916 for (i = 0; i < IPS_MAX_CONFIG_BYTES; i++) {
4917 for (j = 0; j < 240; j++) {
4918 Isr = readb(ha->mem_ptr + IPS_REG_HISR);
4919 if (Isr & IPS_BIT_GHI)
4920 break;
4921
4922 /* Delay for 1 Second */
4923 MDELAY(IPS_ONE_SEC);
4924 }
4925
4926 if (j >= 240)
4927 /* error occurred */
4928 return (0);
4929
4930 ConfigByte[i] = readb(ha->mem_ptr + IPS_REG_ISPR);
4931 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
4932 }
4933
4934 for (i = 0; i < 240; i++) {
4935 Cbsp = readb(ha->mem_ptr + IPS_REG_CBSP);
4936
4937 if ((Cbsp & IPS_BIT_OP) == 0)
4938 break;
4939
4940 /* Delay for 1 Second */
4941 MDELAY(IPS_ONE_SEC);
4942 }
4943
4944 if (i >= 240)
4945 /* error occurred */
4946 return (0);
4947
4948 /* setup CCCR */
4949 writel(0x1010, ha->mem_ptr + IPS_REG_CCCR);
4950
4951 /* Enable busmastering */
4952 writeb(IPS_BIT_EBM, ha->mem_ptr + IPS_REG_SCPR);
4953
4954 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
4955 /* fix for anaconda64 */
4956 writel(0, ha->mem_ptr + IPS_REG_NDAE);
4957
4958 /* Enable interrupts */
4959 writeb(IPS_BIT_EI, ha->mem_ptr + IPS_REG_HISR);
4960
4961 /* if we get here then everything went OK */
4962 return (1);
4963 }
4964
4965 /****************************************************************************/
4966 /* */
4967 /* Routine Name: ips_init_morpheus */
4968 /* */
4969 /* Routine Description: */
4970 /* */
4971 /* Initialize a morpheus controller */
4972 /* */
4973 /****************************************************************************/
4974 static int
ips_init_morpheus(ips_ha_t * ha)4975 ips_init_morpheus(ips_ha_t * ha)
4976 {
4977 uint32_t Post;
4978 uint32_t Config;
4979 uint32_t Isr;
4980 uint32_t Oimr;
4981 int i;
4982
4983 METHOD_TRACE("ips_init_morpheus", 1);
4984
4985 /* Wait up to 45 secs for Post */
4986 for (i = 0; i < 45; i++) {
4987 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
4988
4989 if (Isr & IPS_BIT_I960_MSG0I)
4990 break;
4991
4992 /* Delay for 1 Second */
4993 MDELAY(IPS_ONE_SEC);
4994 }
4995
4996 if (i >= 45) {
4997 /* error occurred */
4998 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4999 "timeout waiting for post.\n");
5000
5001 return (0);
5002 }
5003
5004 Post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
5005
5006 if (Post == 0x4F00) { /* If Flashing the Battery PIC */
5007 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5008 "Flashing Battery PIC, Please wait ...\n");
5009
5010 /* Clear the interrupt bit */
5011 Isr = (uint32_t) IPS_BIT_I960_MSG0I;
5012 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
5013
5014 for (i = 0; i < 120; i++) { /* Wait Up to 2 Min. for Completion */
5015 Post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
5016 if (Post != 0x4F00)
5017 break;
5018 /* Delay for 1 Second */
5019 MDELAY(IPS_ONE_SEC);
5020 }
5021
5022 if (i >= 120) {
5023 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5024 "timeout waiting for Battery PIC Flash\n");
5025 return (0);
5026 }
5027
5028 }
5029
5030 /* Clear the interrupt bit */
5031 Isr = (uint32_t) IPS_BIT_I960_MSG0I;
5032 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
5033
5034 if (Post < (IPS_GOOD_POST_STATUS << 8)) {
5035 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5036 "reset controller fails (post status %x).\n", Post);
5037
5038 return (0);
5039 }
5040
5041 /* Wait up to 240 secs for config bytes */
5042 for (i = 0; i < 240; i++) {
5043 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
5044
5045 if (Isr & IPS_BIT_I960_MSG1I)
5046 break;
5047
5048 /* Delay for 1 Second */
5049 MDELAY(IPS_ONE_SEC);
5050 }
5051
5052 if (i >= 240) {
5053 /* error occurred */
5054 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5055 "timeout waiting for config.\n");
5056
5057 return (0);
5058 }
5059
5060 Config = readl(ha->mem_ptr + IPS_REG_I960_MSG1);
5061
5062 /* Clear interrupt bit */
5063 Isr = (uint32_t) IPS_BIT_I960_MSG1I;
5064 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
5065
5066 /* Turn on the interrupts */
5067 Oimr = readl(ha->mem_ptr + IPS_REG_I960_OIMR);
5068 Oimr &= ~0x8;
5069 writel(Oimr, ha->mem_ptr + IPS_REG_I960_OIMR);
5070
5071 /* if we get here then everything went OK */
5072
5073 /* Since we did a RESET, an EraseStripeLock may be needed */
5074 if (Post == 0xEF10) {
5075 if ((Config == 0x000F) || (Config == 0x0009))
5076 ha->requires_esl = 1;
5077 }
5078
5079 return (1);
5080 }
5081
5082 /****************************************************************************/
5083 /* */
5084 /* Routine Name: ips_reset_copperhead */
5085 /* */
5086 /* Routine Description: */
5087 /* */
5088 /* Reset the controller */
5089 /* */
5090 /****************************************************************************/
5091 static int
ips_reset_copperhead(ips_ha_t * ha)5092 ips_reset_copperhead(ips_ha_t * ha)
5093 {
5094 int reset_counter;
5095
5096 METHOD_TRACE("ips_reset_copperhead", 1);
5097
5098 DEBUG_VAR(1, "(%s%d) ips_reset_copperhead: io addr: %x, irq: %d",
5099 ips_name, ha->host_num, ha->io_addr, ha->pcidev->irq);
5100
5101 reset_counter = 0;
5102
5103 while (reset_counter < 2) {
5104 reset_counter++;
5105
5106 outb(IPS_BIT_RST, ha->io_addr + IPS_REG_SCPR);
5107
5108 /* Delay for 1 Second */
5109 MDELAY(IPS_ONE_SEC);
5110
5111 outb(0, ha->io_addr + IPS_REG_SCPR);
5112
5113 /* Delay for 1 Second */
5114 MDELAY(IPS_ONE_SEC);
5115
5116 if ((*ha->func.init) (ha))
5117 break;
5118 else if (reset_counter >= 2) {
5119
5120 return (0);
5121 }
5122 }
5123
5124 return (1);
5125 }
5126
5127 /****************************************************************************/
5128 /* */
5129 /* Routine Name: ips_reset_copperhead_memio */
5130 /* */
5131 /* Routine Description: */
5132 /* */
5133 /* Reset the controller */
5134 /* */
5135 /****************************************************************************/
5136 static int
ips_reset_copperhead_memio(ips_ha_t * ha)5137 ips_reset_copperhead_memio(ips_ha_t * ha)
5138 {
5139 int reset_counter;
5140
5141 METHOD_TRACE("ips_reset_copperhead_memio", 1);
5142
5143 DEBUG_VAR(1, "(%s%d) ips_reset_copperhead_memio: mem addr: %x, irq: %d",
5144 ips_name, ha->host_num, ha->mem_addr, ha->pcidev->irq);
5145
5146 reset_counter = 0;
5147
5148 while (reset_counter < 2) {
5149 reset_counter++;
5150
5151 writeb(IPS_BIT_RST, ha->mem_ptr + IPS_REG_SCPR);
5152
5153 /* Delay for 1 Second */
5154 MDELAY(IPS_ONE_SEC);
5155
5156 writeb(0, ha->mem_ptr + IPS_REG_SCPR);
5157
5158 /* Delay for 1 Second */
5159 MDELAY(IPS_ONE_SEC);
5160
5161 if ((*ha->func.init) (ha))
5162 break;
5163 else if (reset_counter >= 2) {
5164
5165 return (0);
5166 }
5167 }
5168
5169 return (1);
5170 }
5171
5172 /****************************************************************************/
5173 /* */
5174 /* Routine Name: ips_reset_morpheus */
5175 /* */
5176 /* Routine Description: */
5177 /* */
5178 /* Reset the controller */
5179 /* */
5180 /****************************************************************************/
5181 static int
ips_reset_morpheus(ips_ha_t * ha)5182 ips_reset_morpheus(ips_ha_t * ha)
5183 {
5184 int reset_counter;
5185 uint8_t junk;
5186
5187 METHOD_TRACE("ips_reset_morpheus", 1);
5188
5189 DEBUG_VAR(1, "(%s%d) ips_reset_morpheus: mem addr: %x, irq: %d",
5190 ips_name, ha->host_num, ha->mem_addr, ha->pcidev->irq);
5191
5192 reset_counter = 0;
5193
5194 while (reset_counter < 2) {
5195 reset_counter++;
5196
5197 writel(0x80000000, ha->mem_ptr + IPS_REG_I960_IDR);
5198
5199 /* Delay for 5 Seconds */
5200 MDELAY(5 * IPS_ONE_SEC);
5201
5202 /* Do a PCI config read to wait for adapter */
5203 pci_read_config_byte(ha->pcidev, 4, &junk);
5204
5205 if ((*ha->func.init) (ha))
5206 break;
5207 else if (reset_counter >= 2) {
5208
5209 return (0);
5210 }
5211 }
5212
5213 return (1);
5214 }
5215
5216 /****************************************************************************/
5217 /* */
5218 /* Routine Name: ips_statinit */
5219 /* */
5220 /* Routine Description: */
5221 /* */
5222 /* Initialize the status queues on the controller */
5223 /* */
5224 /****************************************************************************/
5225 static void
ips_statinit(ips_ha_t * ha)5226 ips_statinit(ips_ha_t * ha)
5227 {
5228 uint32_t phys_status_start;
5229
5230 METHOD_TRACE("ips_statinit", 1);
5231
5232 ha->adapt->p_status_start = ha->adapt->status;
5233 ha->adapt->p_status_end = ha->adapt->status + IPS_MAX_CMDS;
5234 ha->adapt->p_status_tail = ha->adapt->status;
5235
5236 phys_status_start = ha->adapt->hw_status_start;
5237 outl(phys_status_start, ha->io_addr + IPS_REG_SQSR);
5238 outl(phys_status_start + IPS_STATUS_Q_SIZE,
5239 ha->io_addr + IPS_REG_SQER);
5240 outl(phys_status_start + IPS_STATUS_SIZE,
5241 ha->io_addr + IPS_REG_SQHR);
5242 outl(phys_status_start, ha->io_addr + IPS_REG_SQTR);
5243
5244 ha->adapt->hw_status_tail = phys_status_start;
5245 }
5246
5247 /****************************************************************************/
5248 /* */
5249 /* Routine Name: ips_statinit_memio */
5250 /* */
5251 /* Routine Description: */
5252 /* */
5253 /* Initialize the status queues on the controller */
5254 /* */
5255 /****************************************************************************/
5256 static void
ips_statinit_memio(ips_ha_t * ha)5257 ips_statinit_memio(ips_ha_t * ha)
5258 {
5259 uint32_t phys_status_start;
5260
5261 METHOD_TRACE("ips_statinit_memio", 1);
5262
5263 ha->adapt->p_status_start = ha->adapt->status;
5264 ha->adapt->p_status_end = ha->adapt->status + IPS_MAX_CMDS;
5265 ha->adapt->p_status_tail = ha->adapt->status;
5266
5267 phys_status_start = ha->adapt->hw_status_start;
5268 writel(phys_status_start, ha->mem_ptr + IPS_REG_SQSR);
5269 writel(phys_status_start + IPS_STATUS_Q_SIZE,
5270 ha->mem_ptr + IPS_REG_SQER);
5271 writel(phys_status_start + IPS_STATUS_SIZE, ha->mem_ptr + IPS_REG_SQHR);
5272 writel(phys_status_start, ha->mem_ptr + IPS_REG_SQTR);
5273
5274 ha->adapt->hw_status_tail = phys_status_start;
5275 }
5276
5277 /****************************************************************************/
5278 /* */
5279 /* Routine Name: ips_statupd_copperhead */
5280 /* */
5281 /* Routine Description: */
5282 /* */
5283 /* Remove an element from the status queue */
5284 /* */
5285 /****************************************************************************/
5286 static uint32_t
ips_statupd_copperhead(ips_ha_t * ha)5287 ips_statupd_copperhead(ips_ha_t * ha)
5288 {
5289 METHOD_TRACE("ips_statupd_copperhead", 1);
5290
5291 if (ha->adapt->p_status_tail != ha->adapt->p_status_end) {
5292 ha->adapt->p_status_tail++;
5293 ha->adapt->hw_status_tail += sizeof (IPS_STATUS);
5294 } else {
5295 ha->adapt->p_status_tail = ha->adapt->p_status_start;
5296 ha->adapt->hw_status_tail = ha->adapt->hw_status_start;
5297 }
5298
5299 outl(ha->adapt->hw_status_tail,
5300 ha->io_addr + IPS_REG_SQTR);
5301
5302 return (ha->adapt->p_status_tail->value);
5303 }
5304
5305 /****************************************************************************/
5306 /* */
5307 /* Routine Name: ips_statupd_copperhead_memio */
5308 /* */
5309 /* Routine Description: */
5310 /* */
5311 /* Remove an element from the status queue */
5312 /* */
5313 /****************************************************************************/
5314 static uint32_t
ips_statupd_copperhead_memio(ips_ha_t * ha)5315 ips_statupd_copperhead_memio(ips_ha_t * ha)
5316 {
5317 METHOD_TRACE("ips_statupd_copperhead_memio", 1);
5318
5319 if (ha->adapt->p_status_tail != ha->adapt->p_status_end) {
5320 ha->adapt->p_status_tail++;
5321 ha->adapt->hw_status_tail += sizeof (IPS_STATUS);
5322 } else {
5323 ha->adapt->p_status_tail = ha->adapt->p_status_start;
5324 ha->adapt->hw_status_tail = ha->adapt->hw_status_start;
5325 }
5326
5327 writel(ha->adapt->hw_status_tail, ha->mem_ptr + IPS_REG_SQTR);
5328
5329 return (ha->adapt->p_status_tail->value);
5330 }
5331
5332 /****************************************************************************/
5333 /* */
5334 /* Routine Name: ips_statupd_morpheus */
5335 /* */
5336 /* Routine Description: */
5337 /* */
5338 /* Remove an element from the status queue */
5339 /* */
5340 /****************************************************************************/
5341 static uint32_t
ips_statupd_morpheus(ips_ha_t * ha)5342 ips_statupd_morpheus(ips_ha_t * ha)
5343 {
5344 uint32_t val;
5345
5346 METHOD_TRACE("ips_statupd_morpheus", 1);
5347
5348 val = readl(ha->mem_ptr + IPS_REG_I2O_OUTMSGQ);
5349
5350 return (val);
5351 }
5352
5353 /****************************************************************************/
5354 /* */
5355 /* Routine Name: ips_issue_copperhead */
5356 /* */
5357 /* Routine Description: */
5358 /* */
5359 /* Send a command down to the controller */
5360 /* */
5361 /****************************************************************************/
5362 static int
ips_issue_copperhead(ips_ha_t * ha,ips_scb_t * scb)5363 ips_issue_copperhead(ips_ha_t * ha, ips_scb_t * scb)
5364 {
5365 uint32_t TimeOut;
5366 uint32_t val;
5367
5368 METHOD_TRACE("ips_issue_copperhead", 1);
5369
5370 if (scb->scsi_cmd) {
5371 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5372 ips_name,
5373 ha->host_num,
5374 scb->cdb[0],
5375 scb->cmd.basic_io.command_id,
5376 scb->bus, scb->target_id, scb->lun);
5377 } else {
5378 DEBUG_VAR(2, KERN_NOTICE "(%s%d) ips_issue: logical cmd id %d",
5379 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5380 }
5381
5382 TimeOut = 0;
5383
5384 while ((val =
5385 le32_to_cpu(inl(ha->io_addr + IPS_REG_CCCR))) & IPS_BIT_SEM) {
5386 udelay(1000);
5387
5388 if (++TimeOut >= IPS_SEM_TIMEOUT) {
5389 if (!(val & IPS_BIT_START_STOP))
5390 break;
5391
5392 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5393 "ips_issue val [0x%x].\n", val);
5394 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5395 "ips_issue semaphore chk timeout.\n");
5396
5397 return (IPS_FAILURE);
5398 } /* end if */
5399 } /* end while */
5400
5401 outl(scb->scb_busaddr, ha->io_addr + IPS_REG_CCSAR);
5402 outw(IPS_BIT_START_CMD, ha->io_addr + IPS_REG_CCCR);
5403
5404 return (IPS_SUCCESS);
5405 }
5406
5407 /****************************************************************************/
5408 /* */
5409 /* Routine Name: ips_issue_copperhead_memio */
5410 /* */
5411 /* Routine Description: */
5412 /* */
5413 /* Send a command down to the controller */
5414 /* */
5415 /****************************************************************************/
5416 static int
ips_issue_copperhead_memio(ips_ha_t * ha,ips_scb_t * scb)5417 ips_issue_copperhead_memio(ips_ha_t * ha, ips_scb_t * scb)
5418 {
5419 uint32_t TimeOut;
5420 uint32_t val;
5421
5422 METHOD_TRACE("ips_issue_copperhead_memio", 1);
5423
5424 if (scb->scsi_cmd) {
5425 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5426 ips_name,
5427 ha->host_num,
5428 scb->cdb[0],
5429 scb->cmd.basic_io.command_id,
5430 scb->bus, scb->target_id, scb->lun);
5431 } else {
5432 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5433 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5434 }
5435
5436 TimeOut = 0;
5437
5438 while ((val = readl(ha->mem_ptr + IPS_REG_CCCR)) & IPS_BIT_SEM) {
5439 udelay(1000);
5440
5441 if (++TimeOut >= IPS_SEM_TIMEOUT) {
5442 if (!(val & IPS_BIT_START_STOP))
5443 break;
5444
5445 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5446 "ips_issue val [0x%x].\n", val);
5447 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5448 "ips_issue semaphore chk timeout.\n");
5449
5450 return (IPS_FAILURE);
5451 } /* end if */
5452 } /* end while */
5453
5454 writel(scb->scb_busaddr, ha->mem_ptr + IPS_REG_CCSAR);
5455 writel(IPS_BIT_START_CMD, ha->mem_ptr + IPS_REG_CCCR);
5456
5457 return (IPS_SUCCESS);
5458 }
5459
5460 /****************************************************************************/
5461 /* */
5462 /* Routine Name: ips_issue_i2o */
5463 /* */
5464 /* Routine Description: */
5465 /* */
5466 /* Send a command down to the controller */
5467 /* */
5468 /****************************************************************************/
5469 static int
ips_issue_i2o(ips_ha_t * ha,ips_scb_t * scb)5470 ips_issue_i2o(ips_ha_t * ha, ips_scb_t * scb)
5471 {
5472
5473 METHOD_TRACE("ips_issue_i2o", 1);
5474
5475 if (scb->scsi_cmd) {
5476 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5477 ips_name,
5478 ha->host_num,
5479 scb->cdb[0],
5480 scb->cmd.basic_io.command_id,
5481 scb->bus, scb->target_id, scb->lun);
5482 } else {
5483 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5484 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5485 }
5486
5487 outl(scb->scb_busaddr, ha->io_addr + IPS_REG_I2O_INMSGQ);
5488
5489 return (IPS_SUCCESS);
5490 }
5491
5492 /****************************************************************************/
5493 /* */
5494 /* Routine Name: ips_issue_i2o_memio */
5495 /* */
5496 /* Routine Description: */
5497 /* */
5498 /* Send a command down to the controller */
5499 /* */
5500 /****************************************************************************/
5501 static int
ips_issue_i2o_memio(ips_ha_t * ha,ips_scb_t * scb)5502 ips_issue_i2o_memio(ips_ha_t * ha, ips_scb_t * scb)
5503 {
5504
5505 METHOD_TRACE("ips_issue_i2o_memio", 1);
5506
5507 if (scb->scsi_cmd) {
5508 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5509 ips_name,
5510 ha->host_num,
5511 scb->cdb[0],
5512 scb->cmd.basic_io.command_id,
5513 scb->bus, scb->target_id, scb->lun);
5514 } else {
5515 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5516 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5517 }
5518
5519 writel(scb->scb_busaddr, ha->mem_ptr + IPS_REG_I2O_INMSGQ);
5520
5521 return (IPS_SUCCESS);
5522 }
5523
5524 /****************************************************************************/
5525 /* */
5526 /* Routine Name: ips_isintr_copperhead */
5527 /* */
5528 /* Routine Description: */
5529 /* */
5530 /* Test to see if an interrupt is for us */
5531 /* */
5532 /****************************************************************************/
5533 static int
ips_isintr_copperhead(ips_ha_t * ha)5534 ips_isintr_copperhead(ips_ha_t * ha)
5535 {
5536 uint8_t Isr;
5537
5538 METHOD_TRACE("ips_isintr_copperhead", 2);
5539
5540 Isr = inb(ha->io_addr + IPS_REG_HISR);
5541
5542 if (Isr == 0xFF)
5543 /* ?!?! Nothing really there */
5544 return (0);
5545
5546 if (Isr & IPS_BIT_SCE)
5547 return (1);
5548 else if (Isr & (IPS_BIT_SQO | IPS_BIT_GHI)) {
5549 /* status queue overflow or GHI */
5550 /* just clear the interrupt */
5551 outb(Isr, ha->io_addr + IPS_REG_HISR);
5552 }
5553
5554 return (0);
5555 }
5556
5557 /****************************************************************************/
5558 /* */
5559 /* Routine Name: ips_isintr_copperhead_memio */
5560 /* */
5561 /* Routine Description: */
5562 /* */
5563 /* Test to see if an interrupt is for us */
5564 /* */
5565 /****************************************************************************/
5566 static int
ips_isintr_copperhead_memio(ips_ha_t * ha)5567 ips_isintr_copperhead_memio(ips_ha_t * ha)
5568 {
5569 uint8_t Isr;
5570
5571 METHOD_TRACE("ips_isintr_memio", 2);
5572
5573 Isr = readb(ha->mem_ptr + IPS_REG_HISR);
5574
5575 if (Isr == 0xFF)
5576 /* ?!?! Nothing really there */
5577 return (0);
5578
5579 if (Isr & IPS_BIT_SCE)
5580 return (1);
5581 else if (Isr & (IPS_BIT_SQO | IPS_BIT_GHI)) {
5582 /* status queue overflow or GHI */
5583 /* just clear the interrupt */
5584 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
5585 }
5586
5587 return (0);
5588 }
5589
5590 /****************************************************************************/
5591 /* */
5592 /* Routine Name: ips_isintr_morpheus */
5593 /* */
5594 /* Routine Description: */
5595 /* */
5596 /* Test to see if an interrupt is for us */
5597 /* */
5598 /****************************************************************************/
5599 static int
ips_isintr_morpheus(ips_ha_t * ha)5600 ips_isintr_morpheus(ips_ha_t * ha)
5601 {
5602 uint32_t Isr;
5603
5604 METHOD_TRACE("ips_isintr_morpheus", 2);
5605
5606 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
5607
5608 if (Isr & IPS_BIT_I2O_OPQI)
5609 return (1);
5610 else
5611 return (0);
5612 }
5613
5614 /****************************************************************************/
5615 /* */
5616 /* Routine Name: ips_wait */
5617 /* */
5618 /* Routine Description: */
5619 /* */
5620 /* Wait for a command to complete */
5621 /* */
5622 /****************************************************************************/
5623 static int
ips_wait(ips_ha_t * ha,int time,int intr)5624 ips_wait(ips_ha_t * ha, int time, int intr)
5625 {
5626 int ret;
5627 int done;
5628
5629 METHOD_TRACE("ips_wait", 1);
5630
5631 ret = IPS_FAILURE;
5632 done = FALSE;
5633
5634 time *= IPS_ONE_SEC; /* convert seconds */
5635
5636 while ((time > 0) && (!done)) {
5637 if (intr == IPS_INTR_ON) {
5638 if (ha->waitflag == FALSE) {
5639 ret = IPS_SUCCESS;
5640 done = TRUE;
5641 break;
5642 }
5643 } else if (intr == IPS_INTR_IORL) {
5644 if (ha->waitflag == FALSE) {
5645 /*
5646 * controller generated an interrupt to
5647 * acknowledge completion of the command
5648 * and ips_intr() has serviced the interrupt.
5649 */
5650 ret = IPS_SUCCESS;
5651 done = TRUE;
5652 break;
5653 }
5654
5655 /*
5656 * NOTE: we already have the io_request_lock so
5657 * even if we get an interrupt it won't get serviced
5658 * until after we finish.
5659 */
5660
5661 (*ha->func.intr) (ha);
5662 }
5663
5664 /* This looks like a very evil loop, but it only does this during start-up */
5665 udelay(1000);
5666 time--;
5667 }
5668
5669 return (ret);
5670 }
5671
5672 /****************************************************************************/
5673 /* */
5674 /* Routine Name: ips_write_driver_status */
5675 /* */
5676 /* Routine Description: */
5677 /* */
5678 /* Write OS/Driver version to Page 5 of the nvram on the controller */
5679 /* */
5680 /****************************************************************************/
5681 static int
ips_write_driver_status(ips_ha_t * ha,int intr)5682 ips_write_driver_status(ips_ha_t * ha, int intr)
5683 {
5684 METHOD_TRACE("ips_write_driver_status", 1);
5685
5686 if (!ips_readwrite_page5(ha, FALSE, intr)) {
5687 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5688 "unable to read NVRAM page 5.\n");
5689
5690 return (0);
5691 }
5692
5693 /* check to make sure the page has a valid */
5694 /* signature */
5695 if (le32_to_cpu(ha->nvram->signature) != IPS_NVRAM_P5_SIG) {
5696 DEBUG_VAR(1,
5697 "(%s%d) NVRAM page 5 has an invalid signature: %X.",
5698 ips_name, ha->host_num, ha->nvram->signature);
5699 ha->nvram->signature = IPS_NVRAM_P5_SIG;
5700 }
5701
5702 DEBUG_VAR(2,
5703 "(%s%d) Ad Type: %d, Ad Slot: %d, BIOS: %c%c%c%c %c%c%c%c.",
5704 ips_name, ha->host_num, le16_to_cpu(ha->nvram->adapter_type),
5705 ha->nvram->adapter_slot, ha->nvram->bios_high[0],
5706 ha->nvram->bios_high[1], ha->nvram->bios_high[2],
5707 ha->nvram->bios_high[3], ha->nvram->bios_low[0],
5708 ha->nvram->bios_low[1], ha->nvram->bios_low[2],
5709 ha->nvram->bios_low[3]);
5710
5711 ips_get_bios_version(ha, intr);
5712
5713 /* change values (as needed) */
5714 ha->nvram->operating_system = IPS_OS_LINUX;
5715 ha->nvram->adapter_type = ha->ad_type;
5716 strncpy((char *) ha->nvram->driver_high, IPS_VERSION_HIGH, 4);
5717 strncpy((char *) ha->nvram->driver_low, IPS_VERSION_LOW, 4);
5718 strncpy((char *) ha->nvram->bios_high, ha->bios_version, 4);
5719 strncpy((char *) ha->nvram->bios_low, ha->bios_version + 4, 4);
5720
5721 ha->nvram->versioning = 0; /* Indicate the Driver Does Not Support Versioning */
5722
5723 /* now update the page */
5724 if (!ips_readwrite_page5(ha, TRUE, intr)) {
5725 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5726 "unable to write NVRAM page 5.\n");
5727
5728 return (0);
5729 }
5730
5731 /* IF NVRAM Page 5 is OK, Use it for Slot Number Info Because Linux Doesn't Do Slots */
5732 ha->slot_num = ha->nvram->adapter_slot;
5733
5734 return (1);
5735 }
5736
5737 /****************************************************************************/
5738 /* */
5739 /* Routine Name: ips_read_adapter_status */
5740 /* */
5741 /* Routine Description: */
5742 /* */
5743 /* Do an Inquiry command to the adapter */
5744 /* */
5745 /****************************************************************************/
5746 static int
ips_read_adapter_status(ips_ha_t * ha,int intr)5747 ips_read_adapter_status(ips_ha_t * ha, int intr)
5748 {
5749 ips_scb_t *scb;
5750 int ret;
5751
5752 METHOD_TRACE("ips_read_adapter_status", 1);
5753
5754 scb = &ha->scbs[ha->max_cmds - 1];
5755
5756 ips_init_scb(ha, scb);
5757
5758 scb->timeout = ips_cmd_timeout;
5759 scb->cdb[0] = IPS_CMD_ENQUIRY;
5760
5761 scb->cmd.basic_io.op_code = IPS_CMD_ENQUIRY;
5762 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5763 scb->cmd.basic_io.sg_count = 0;
5764 scb->cmd.basic_io.lba = 0;
5765 scb->cmd.basic_io.sector_count = 0;
5766 scb->cmd.basic_io.log_drv = 0;
5767 scb->data_len = sizeof (*ha->enq);
5768 scb->cmd.basic_io.sg_addr = ha->enq_busaddr;
5769
5770 /* send command */
5771 if (((ret =
5772 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5773 || (ret == IPS_SUCCESS_IMM)
5774 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5775 return (0);
5776
5777 return (1);
5778 }
5779
5780 /****************************************************************************/
5781 /* */
5782 /* Routine Name: ips_read_subsystem_parameters */
5783 /* */
5784 /* Routine Description: */
5785 /* */
5786 /* Read subsystem parameters from the adapter */
5787 /* */
5788 /****************************************************************************/
5789 static int
ips_read_subsystem_parameters(ips_ha_t * ha,int intr)5790 ips_read_subsystem_parameters(ips_ha_t * ha, int intr)
5791 {
5792 ips_scb_t *scb;
5793 int ret;
5794
5795 METHOD_TRACE("ips_read_subsystem_parameters", 1);
5796
5797 scb = &ha->scbs[ha->max_cmds - 1];
5798
5799 ips_init_scb(ha, scb);
5800
5801 scb->timeout = ips_cmd_timeout;
5802 scb->cdb[0] = IPS_CMD_GET_SUBSYS;
5803
5804 scb->cmd.basic_io.op_code = IPS_CMD_GET_SUBSYS;
5805 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5806 scb->cmd.basic_io.sg_count = 0;
5807 scb->cmd.basic_io.lba = 0;
5808 scb->cmd.basic_io.sector_count = 0;
5809 scb->cmd.basic_io.log_drv = 0;
5810 scb->data_len = sizeof (*ha->subsys);
5811 scb->cmd.basic_io.sg_addr = ha->ioctl_busaddr;
5812
5813 /* send command */
5814 if (((ret =
5815 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5816 || (ret == IPS_SUCCESS_IMM)
5817 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5818 return (0);
5819
5820 memcpy(ha->subsys, ha->ioctl_data, sizeof(*ha->subsys));
5821 return (1);
5822 }
5823
5824 /****************************************************************************/
5825 /* */
5826 /* Routine Name: ips_read_config */
5827 /* */
5828 /* Routine Description: */
5829 /* */
5830 /* Read the configuration on the adapter */
5831 /* */
5832 /****************************************************************************/
5833 static int
ips_read_config(ips_ha_t * ha,int intr)5834 ips_read_config(ips_ha_t * ha, int intr)
5835 {
5836 ips_scb_t *scb;
5837 int i;
5838 int ret;
5839
5840 METHOD_TRACE("ips_read_config", 1);
5841
5842 /* set defaults for initiator IDs */
5843 for (i = 0; i < 4; i++)
5844 ha->conf->init_id[i] = 7;
5845
5846 scb = &ha->scbs[ha->max_cmds - 1];
5847
5848 ips_init_scb(ha, scb);
5849
5850 scb->timeout = ips_cmd_timeout;
5851 scb->cdb[0] = IPS_CMD_READ_CONF;
5852
5853 scb->cmd.basic_io.op_code = IPS_CMD_READ_CONF;
5854 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5855 scb->data_len = sizeof (*ha->conf);
5856 scb->cmd.basic_io.sg_addr = ha->ioctl_busaddr;
5857
5858 /* send command */
5859 if (((ret =
5860 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5861 || (ret == IPS_SUCCESS_IMM)
5862 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) {
5863
5864 memset(ha->conf, 0, sizeof (IPS_CONF));
5865
5866 /* reset initiator IDs */
5867 for (i = 0; i < 4; i++)
5868 ha->conf->init_id[i] = 7;
5869
5870 /* Allow Completed with Errors, so JCRM can access the Adapter to fix the problems */
5871 if ((scb->basic_status & IPS_GSC_STATUS_MASK) ==
5872 IPS_CMD_CMPLT_WERROR)
5873 return (1);
5874
5875 return (0);
5876 }
5877
5878 memcpy(ha->conf, ha->ioctl_data, sizeof(*ha->conf));
5879 return (1);
5880 }
5881
5882 /****************************************************************************/
5883 /* */
5884 /* Routine Name: ips_readwrite_page5 */
5885 /* */
5886 /* Routine Description: */
5887 /* */
5888 /* Read nvram page 5 from the adapter */
5889 /* */
5890 /****************************************************************************/
5891 static int
ips_readwrite_page5(ips_ha_t * ha,int write,int intr)5892 ips_readwrite_page5(ips_ha_t * ha, int write, int intr)
5893 {
5894 ips_scb_t *scb;
5895 int ret;
5896
5897 METHOD_TRACE("ips_readwrite_page5", 1);
5898
5899 scb = &ha->scbs[ha->max_cmds - 1];
5900
5901 ips_init_scb(ha, scb);
5902
5903 scb->timeout = ips_cmd_timeout;
5904 scb->cdb[0] = IPS_CMD_RW_NVRAM_PAGE;
5905
5906 scb->cmd.nvram.op_code = IPS_CMD_RW_NVRAM_PAGE;
5907 scb->cmd.nvram.command_id = IPS_COMMAND_ID(ha, scb);
5908 scb->cmd.nvram.page = 5;
5909 scb->cmd.nvram.write = write;
5910 scb->cmd.nvram.reserved = 0;
5911 scb->cmd.nvram.reserved2 = 0;
5912 scb->data_len = sizeof (*ha->nvram);
5913 scb->cmd.nvram.buffer_addr = ha->ioctl_busaddr;
5914 if (write)
5915 memcpy(ha->ioctl_data, ha->nvram, sizeof(*ha->nvram));
5916
5917 /* issue the command */
5918 if (((ret =
5919 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5920 || (ret == IPS_SUCCESS_IMM)
5921 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) {
5922
5923 memset(ha->nvram, 0, sizeof (IPS_NVRAM_P5));
5924
5925 return (0);
5926 }
5927 if (!write)
5928 memcpy(ha->nvram, ha->ioctl_data, sizeof(*ha->nvram));
5929 return (1);
5930 }
5931
5932 /****************************************************************************/
5933 /* */
5934 /* Routine Name: ips_clear_adapter */
5935 /* */
5936 /* Routine Description: */
5937 /* */
5938 /* Clear the stripe lock tables */
5939 /* */
5940 /****************************************************************************/
5941 static int
ips_clear_adapter(ips_ha_t * ha,int intr)5942 ips_clear_adapter(ips_ha_t * ha, int intr)
5943 {
5944 ips_scb_t *scb;
5945 int ret;
5946
5947 METHOD_TRACE("ips_clear_adapter", 1);
5948
5949 scb = &ha->scbs[ha->max_cmds - 1];
5950
5951 ips_init_scb(ha, scb);
5952
5953 scb->timeout = ips_reset_timeout;
5954 scb->cdb[0] = IPS_CMD_CONFIG_SYNC;
5955
5956 scb->cmd.config_sync.op_code = IPS_CMD_CONFIG_SYNC;
5957 scb->cmd.config_sync.command_id = IPS_COMMAND_ID(ha, scb);
5958 scb->cmd.config_sync.channel = 0;
5959 scb->cmd.config_sync.source_target = IPS_POCL;
5960 scb->cmd.config_sync.reserved = 0;
5961 scb->cmd.config_sync.reserved2 = 0;
5962 scb->cmd.config_sync.reserved3 = 0;
5963
5964 /* issue command */
5965 if (((ret =
5966 ips_send_wait(ha, scb, ips_reset_timeout, intr)) == IPS_FAILURE)
5967 || (ret == IPS_SUCCESS_IMM)
5968 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5969 return (0);
5970
5971 /* send unlock stripe command */
5972 ips_init_scb(ha, scb);
5973
5974 scb->cdb[0] = IPS_CMD_ERROR_TABLE;
5975 scb->timeout = ips_reset_timeout;
5976
5977 scb->cmd.unlock_stripe.op_code = IPS_CMD_ERROR_TABLE;
5978 scb->cmd.unlock_stripe.command_id = IPS_COMMAND_ID(ha, scb);
5979 scb->cmd.unlock_stripe.log_drv = 0;
5980 scb->cmd.unlock_stripe.control = IPS_CSL;
5981 scb->cmd.unlock_stripe.reserved = 0;
5982 scb->cmd.unlock_stripe.reserved2 = 0;
5983 scb->cmd.unlock_stripe.reserved3 = 0;
5984
5985 /* issue command */
5986 if (((ret =
5987 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5988 || (ret == IPS_SUCCESS_IMM)
5989 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5990 return (0);
5991
5992 return (1);
5993 }
5994
5995 /****************************************************************************/
5996 /* */
5997 /* Routine Name: ips_ffdc_reset */
5998 /* */
5999 /* Routine Description: */
6000 /* */
6001 /* FFDC: write reset info */
6002 /* */
6003 /****************************************************************************/
6004 static void
ips_ffdc_reset(ips_ha_t * ha,int intr)6005 ips_ffdc_reset(ips_ha_t * ha, int intr)
6006 {
6007 ips_scb_t *scb;
6008
6009 METHOD_TRACE("ips_ffdc_reset", 1);
6010
6011 scb = &ha->scbs[ha->max_cmds - 1];
6012
6013 ips_init_scb(ha, scb);
6014
6015 scb->timeout = ips_cmd_timeout;
6016 scb->cdb[0] = IPS_CMD_FFDC;
6017 scb->cmd.ffdc.op_code = IPS_CMD_FFDC;
6018 scb->cmd.ffdc.command_id = IPS_COMMAND_ID(ha, scb);
6019 scb->cmd.ffdc.reset_count = ha->reset_count;
6020 scb->cmd.ffdc.reset_type = 0x80;
6021
6022 /* convert time to what the card wants */
6023 ips_fix_ffdc_time(ha, scb, ha->last_ffdc);
6024
6025 /* issue command */
6026 ips_send_wait(ha, scb, ips_cmd_timeout, intr);
6027 }
6028
6029 /****************************************************************************/
6030 /* */
6031 /* Routine Name: ips_ffdc_time */
6032 /* */
6033 /* Routine Description: */
6034 /* */
6035 /* FFDC: write time info */
6036 /* */
6037 /****************************************************************************/
6038 static void
ips_ffdc_time(ips_ha_t * ha)6039 ips_ffdc_time(ips_ha_t * ha)
6040 {
6041 ips_scb_t *scb;
6042
6043 METHOD_TRACE("ips_ffdc_time", 1);
6044
6045 DEBUG_VAR(1, "(%s%d) Sending time update.", ips_name, ha->host_num);
6046
6047 scb = &ha->scbs[ha->max_cmds - 1];
6048
6049 ips_init_scb(ha, scb);
6050
6051 scb->timeout = ips_cmd_timeout;
6052 scb->cdb[0] = IPS_CMD_FFDC;
6053 scb->cmd.ffdc.op_code = IPS_CMD_FFDC;
6054 scb->cmd.ffdc.command_id = IPS_COMMAND_ID(ha, scb);
6055 scb->cmd.ffdc.reset_count = 0;
6056 scb->cmd.ffdc.reset_type = 0;
6057
6058 /* convert time to what the card wants */
6059 ips_fix_ffdc_time(ha, scb, ha->last_ffdc);
6060
6061 /* issue command */
6062 ips_send_wait(ha, scb, ips_cmd_timeout, IPS_FFDC);
6063 }
6064
6065 /****************************************************************************/
6066 /* */
6067 /* Routine Name: ips_fix_ffdc_time */
6068 /* */
6069 /* Routine Description: */
6070 /* Adjust time_t to what the card wants */
6071 /* */
6072 /****************************************************************************/
6073 static void
ips_fix_ffdc_time(ips_ha_t * ha,ips_scb_t * scb,time_t current_time)6074 ips_fix_ffdc_time(ips_ha_t * ha, ips_scb_t * scb, time_t current_time)
6075 {
6076 long days;
6077 long rem;
6078 int i;
6079 int year;
6080 int yleap;
6081 int year_lengths[2] = { IPS_DAYS_NORMAL_YEAR, IPS_DAYS_LEAP_YEAR };
6082 int month_lengths[12][2] = { {31, 31},
6083 {28, 29},
6084 {31, 31},
6085 {30, 30},
6086 {31, 31},
6087 {30, 30},
6088 {31, 31},
6089 {31, 31},
6090 {30, 30},
6091 {31, 31},
6092 {30, 30},
6093 {31, 31}
6094 };
6095
6096 METHOD_TRACE("ips_fix_ffdc_time", 1);
6097
6098 days = current_time / IPS_SECS_DAY;
6099 rem = current_time % IPS_SECS_DAY;
6100
6101 scb->cmd.ffdc.hour = (rem / IPS_SECS_HOUR);
6102 rem = rem % IPS_SECS_HOUR;
6103 scb->cmd.ffdc.minute = (rem / IPS_SECS_MIN);
6104 scb->cmd.ffdc.second = (rem % IPS_SECS_MIN);
6105
6106 year = IPS_EPOCH_YEAR;
6107 while (days < 0 || days >= year_lengths[yleap = IPS_IS_LEAP_YEAR(year)]) {
6108 int newy;
6109
6110 newy = year + (days / IPS_DAYS_NORMAL_YEAR);
6111 if (days < 0)
6112 --newy;
6113 days -= (newy - year) * IPS_DAYS_NORMAL_YEAR +
6114 IPS_NUM_LEAP_YEARS_THROUGH(newy - 1) -
6115 IPS_NUM_LEAP_YEARS_THROUGH(year - 1);
6116 year = newy;
6117 }
6118
6119 scb->cmd.ffdc.yearH = year / 100;
6120 scb->cmd.ffdc.yearL = year % 100;
6121
6122 for (i = 0; days >= month_lengths[i][yleap]; ++i)
6123 days -= month_lengths[i][yleap];
6124
6125 scb->cmd.ffdc.month = i + 1;
6126 scb->cmd.ffdc.day = days + 1;
6127 }
6128
6129 /****************************************************************************
6130 * BIOS Flash Routines *
6131 ****************************************************************************/
6132
6133 /****************************************************************************/
6134 /* */
6135 /* Routine Name: ips_erase_bios */
6136 /* */
6137 /* Routine Description: */
6138 /* Erase the BIOS on the adapter */
6139 /* */
6140 /****************************************************************************/
6141 static int
ips_erase_bios(ips_ha_t * ha)6142 ips_erase_bios(ips_ha_t * ha)
6143 {
6144 int timeout;
6145 uint8_t status = 0;
6146
6147 METHOD_TRACE("ips_erase_bios", 1);
6148
6149 status = 0;
6150
6151 /* Clear the status register */
6152 outl(0, ha->io_addr + IPS_REG_FLAP);
6153 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6154 udelay(25); /* 25 us */
6155
6156 outb(0x50, ha->io_addr + IPS_REG_FLDP);
6157 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6158 udelay(25); /* 25 us */
6159
6160 /* Erase Setup */
6161 outb(0x20, ha->io_addr + IPS_REG_FLDP);
6162 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6163 udelay(25); /* 25 us */
6164
6165 /* Erase Confirm */
6166 outb(0xD0, ha->io_addr + IPS_REG_FLDP);
6167 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6168 udelay(25); /* 25 us */
6169
6170 /* Erase Status */
6171 outb(0x70, ha->io_addr + IPS_REG_FLDP);
6172 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6173 udelay(25); /* 25 us */
6174
6175 timeout = 80000; /* 80 seconds */
6176
6177 while (timeout > 0) {
6178 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6179 outl(0, ha->io_addr + IPS_REG_FLAP);
6180 udelay(25); /* 25 us */
6181 }
6182
6183 status = inb(ha->io_addr + IPS_REG_FLDP);
6184
6185 if (status & 0x80)
6186 break;
6187
6188 MDELAY(1);
6189 timeout--;
6190 }
6191
6192 /* check for timeout */
6193 if (timeout <= 0) {
6194 /* timeout */
6195
6196 /* try to suspend the erase */
6197 outb(0xB0, ha->io_addr + IPS_REG_FLDP);
6198 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6199 udelay(25); /* 25 us */
6200
6201 /* wait for 10 seconds */
6202 timeout = 10000;
6203 while (timeout > 0) {
6204 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6205 outl(0, ha->io_addr + IPS_REG_FLAP);
6206 udelay(25); /* 25 us */
6207 }
6208
6209 status = inb(ha->io_addr + IPS_REG_FLDP);
6210
6211 if (status & 0xC0)
6212 break;
6213
6214 MDELAY(1);
6215 timeout--;
6216 }
6217
6218 return (1);
6219 }
6220
6221 /* check for valid VPP */
6222 if (status & 0x08)
6223 /* VPP failure */
6224 return (1);
6225
6226 /* check for successful flash */
6227 if (status & 0x30)
6228 /* sequence error */
6229 return (1);
6230
6231 /* Otherwise, we were successful */
6232 /* clear status */
6233 outb(0x50, ha->io_addr + IPS_REG_FLDP);
6234 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6235 udelay(25); /* 25 us */
6236
6237 /* enable reads */
6238 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6239 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6240 udelay(25); /* 25 us */
6241
6242 return (0);
6243 }
6244
6245 /****************************************************************************/
6246 /* */
6247 /* Routine Name: ips_erase_bios_memio */
6248 /* */
6249 /* Routine Description: */
6250 /* Erase the BIOS on the adapter */
6251 /* */
6252 /****************************************************************************/
6253 static int
ips_erase_bios_memio(ips_ha_t * ha)6254 ips_erase_bios_memio(ips_ha_t * ha)
6255 {
6256 int timeout;
6257 uint8_t status;
6258
6259 METHOD_TRACE("ips_erase_bios_memio", 1);
6260
6261 status = 0;
6262
6263 /* Clear the status register */
6264 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6265 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6266 udelay(25); /* 25 us */
6267
6268 writeb(0x50, ha->mem_ptr + IPS_REG_FLDP);
6269 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6270 udelay(25); /* 25 us */
6271
6272 /* Erase Setup */
6273 writeb(0x20, ha->mem_ptr + IPS_REG_FLDP);
6274 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6275 udelay(25); /* 25 us */
6276
6277 /* Erase Confirm */
6278 writeb(0xD0, ha->mem_ptr + IPS_REG_FLDP);
6279 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6280 udelay(25); /* 25 us */
6281
6282 /* Erase Status */
6283 writeb(0x70, ha->mem_ptr + IPS_REG_FLDP);
6284 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6285 udelay(25); /* 25 us */
6286
6287 timeout = 80000; /* 80 seconds */
6288
6289 while (timeout > 0) {
6290 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6291 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6292 udelay(25); /* 25 us */
6293 }
6294
6295 status = readb(ha->mem_ptr + IPS_REG_FLDP);
6296
6297 if (status & 0x80)
6298 break;
6299
6300 MDELAY(1);
6301 timeout--;
6302 }
6303
6304 /* check for timeout */
6305 if (timeout <= 0) {
6306 /* timeout */
6307
6308 /* try to suspend the erase */
6309 writeb(0xB0, ha->mem_ptr + IPS_REG_FLDP);
6310 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6311 udelay(25); /* 25 us */
6312
6313 /* wait for 10 seconds */
6314 timeout = 10000;
6315 while (timeout > 0) {
6316 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6317 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6318 udelay(25); /* 25 us */
6319 }
6320
6321 status = readb(ha->mem_ptr + IPS_REG_FLDP);
6322
6323 if (status & 0xC0)
6324 break;
6325
6326 MDELAY(1);
6327 timeout--;
6328 }
6329
6330 return (1);
6331 }
6332
6333 /* check for valid VPP */
6334 if (status & 0x08)
6335 /* VPP failure */
6336 return (1);
6337
6338 /* check for successful flash */
6339 if (status & 0x30)
6340 /* sequence error */
6341 return (1);
6342
6343 /* Otherwise, we were successful */
6344 /* clear status */
6345 writeb(0x50, ha->mem_ptr + IPS_REG_FLDP);
6346 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6347 udelay(25); /* 25 us */
6348
6349 /* enable reads */
6350 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6351 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6352 udelay(25); /* 25 us */
6353
6354 return (0);
6355 }
6356
6357 /****************************************************************************/
6358 /* */
6359 /* Routine Name: ips_program_bios */
6360 /* */
6361 /* Routine Description: */
6362 /* Program the BIOS on the adapter */
6363 /* */
6364 /****************************************************************************/
6365 static int
ips_program_bios(ips_ha_t * ha,char * buffer,uint32_t buffersize,uint32_t offset)6366 ips_program_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6367 uint32_t offset)
6368 {
6369 int i;
6370 int timeout;
6371 uint8_t status = 0;
6372
6373 METHOD_TRACE("ips_program_bios", 1);
6374
6375 status = 0;
6376
6377 for (i = 0; i < buffersize; i++) {
6378 /* write a byte */
6379 outl(i + offset, ha->io_addr + IPS_REG_FLAP);
6380 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6381 udelay(25); /* 25 us */
6382
6383 outb(0x40, ha->io_addr + IPS_REG_FLDP);
6384 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6385 udelay(25); /* 25 us */
6386
6387 outb(buffer[i], ha->io_addr + IPS_REG_FLDP);
6388 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6389 udelay(25); /* 25 us */
6390
6391 /* wait up to one second */
6392 timeout = 1000;
6393 while (timeout > 0) {
6394 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6395 outl(0, ha->io_addr + IPS_REG_FLAP);
6396 udelay(25); /* 25 us */
6397 }
6398
6399 status = inb(ha->io_addr + IPS_REG_FLDP);
6400
6401 if (status & 0x80)
6402 break;
6403
6404 MDELAY(1);
6405 timeout--;
6406 }
6407
6408 if (timeout == 0) {
6409 /* timeout error */
6410 outl(0, ha->io_addr + IPS_REG_FLAP);
6411 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6412 udelay(25); /* 25 us */
6413
6414 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6415 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6416 udelay(25); /* 25 us */
6417
6418 return (1);
6419 }
6420
6421 /* check the status */
6422 if (status & 0x18) {
6423 /* programming error */
6424 outl(0, ha->io_addr + IPS_REG_FLAP);
6425 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6426 udelay(25); /* 25 us */
6427
6428 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6429 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6430 udelay(25); /* 25 us */
6431
6432 return (1);
6433 }
6434 } /* end for */
6435
6436 /* Enable reading */
6437 outl(0, ha->io_addr + IPS_REG_FLAP);
6438 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6439 udelay(25); /* 25 us */
6440
6441 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6442 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6443 udelay(25); /* 25 us */
6444
6445 return (0);
6446 }
6447
6448 /****************************************************************************/
6449 /* */
6450 /* Routine Name: ips_program_bios_memio */
6451 /* */
6452 /* Routine Description: */
6453 /* Program the BIOS on the adapter */
6454 /* */
6455 /****************************************************************************/
6456 static int
ips_program_bios_memio(ips_ha_t * ha,char * buffer,uint32_t buffersize,uint32_t offset)6457 ips_program_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6458 uint32_t offset)
6459 {
6460 int i;
6461 int timeout;
6462 uint8_t status = 0;
6463
6464 METHOD_TRACE("ips_program_bios_memio", 1);
6465
6466 status = 0;
6467
6468 for (i = 0; i < buffersize; i++) {
6469 /* write a byte */
6470 writel(i + offset, ha->mem_ptr + IPS_REG_FLAP);
6471 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6472 udelay(25); /* 25 us */
6473
6474 writeb(0x40, ha->mem_ptr + IPS_REG_FLDP);
6475 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6476 udelay(25); /* 25 us */
6477
6478 writeb(buffer[i], ha->mem_ptr + IPS_REG_FLDP);
6479 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6480 udelay(25); /* 25 us */
6481
6482 /* wait up to one second */
6483 timeout = 1000;
6484 while (timeout > 0) {
6485 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6486 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6487 udelay(25); /* 25 us */
6488 }
6489
6490 status = readb(ha->mem_ptr + IPS_REG_FLDP);
6491
6492 if (status & 0x80)
6493 break;
6494
6495 MDELAY(1);
6496 timeout--;
6497 }
6498
6499 if (timeout == 0) {
6500 /* timeout error */
6501 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6502 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6503 udelay(25); /* 25 us */
6504
6505 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6506 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6507 udelay(25); /* 25 us */
6508
6509 return (1);
6510 }
6511
6512 /* check the status */
6513 if (status & 0x18) {
6514 /* programming error */
6515 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6516 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6517 udelay(25); /* 25 us */
6518
6519 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6520 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6521 udelay(25); /* 25 us */
6522
6523 return (1);
6524 }
6525 } /* end for */
6526
6527 /* Enable reading */
6528 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6529 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6530 udelay(25); /* 25 us */
6531
6532 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6533 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6534 udelay(25); /* 25 us */
6535
6536 return (0);
6537 }
6538
6539 /****************************************************************************/
6540 /* */
6541 /* Routine Name: ips_verify_bios */
6542 /* */
6543 /* Routine Description: */
6544 /* Verify the BIOS on the adapter */
6545 /* */
6546 /****************************************************************************/
6547 static int
ips_verify_bios(ips_ha_t * ha,char * buffer,uint32_t buffersize,uint32_t offset)6548 ips_verify_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6549 uint32_t offset)
6550 {
6551 uint8_t checksum;
6552 int i;
6553
6554 METHOD_TRACE("ips_verify_bios", 1);
6555
6556 /* test 1st byte */
6557 outl(0, ha->io_addr + IPS_REG_FLAP);
6558 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6559 udelay(25); /* 25 us */
6560
6561 if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55)
6562 return (1);
6563
6564 outl(1, ha->io_addr + IPS_REG_FLAP);
6565 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6566 udelay(25); /* 25 us */
6567 if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA)
6568 return (1);
6569
6570 checksum = 0xff;
6571 for (i = 2; i < buffersize; i++) {
6572
6573 outl(i + offset, ha->io_addr + IPS_REG_FLAP);
6574 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6575 udelay(25); /* 25 us */
6576
6577 checksum = (uint8_t) checksum + inb(ha->io_addr + IPS_REG_FLDP);
6578 }
6579
6580 if (checksum != 0)
6581 /* failure */
6582 return (1);
6583 else
6584 /* success */
6585 return (0);
6586 }
6587
6588 /****************************************************************************/
6589 /* */
6590 /* Routine Name: ips_verify_bios_memio */
6591 /* */
6592 /* Routine Description: */
6593 /* Verify the BIOS on the adapter */
6594 /* */
6595 /****************************************************************************/
6596 static int
ips_verify_bios_memio(ips_ha_t * ha,char * buffer,uint32_t buffersize,uint32_t offset)6597 ips_verify_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6598 uint32_t offset)
6599 {
6600 uint8_t checksum;
6601 int i;
6602
6603 METHOD_TRACE("ips_verify_bios_memio", 1);
6604
6605 /* test 1st byte */
6606 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6607 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6608 udelay(25); /* 25 us */
6609
6610 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0x55)
6611 return (1);
6612
6613 writel(1, ha->mem_ptr + IPS_REG_FLAP);
6614 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6615 udelay(25); /* 25 us */
6616 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA)
6617 return (1);
6618
6619 checksum = 0xff;
6620 for (i = 2; i < buffersize; i++) {
6621
6622 writel(i + offset, ha->mem_ptr + IPS_REG_FLAP);
6623 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6624 udelay(25); /* 25 us */
6625
6626 checksum =
6627 (uint8_t) checksum + readb(ha->mem_ptr + IPS_REG_FLDP);
6628 }
6629
6630 if (checksum != 0)
6631 /* failure */
6632 return (1);
6633 else
6634 /* success */
6635 return (0);
6636 }
6637
6638 /****************************************************************************/
6639 /* */
6640 /* Routine Name: ips_abort_init */
6641 /* */
6642 /* Routine Description: */
6643 /* cleanup routine for a failed adapter initialization */
6644 /****************************************************************************/
6645 static int
ips_abort_init(ips_ha_t * ha,int index)6646 ips_abort_init(ips_ha_t * ha, int index)
6647 {
6648 ha->active = 0;
6649 ips_free(ha);
6650 ips_ha[index] = NULL;
6651 ips_sh[index] = NULL;
6652 return -1;
6653 }
6654
6655 /****************************************************************************/
6656 /* */
6657 /* Routine Name: ips_shift_controllers */
6658 /* */
6659 /* Routine Description: */
6660 /* helper function for ordering adapters */
6661 /****************************************************************************/
6662 static void
ips_shift_controllers(int lowindex,int highindex)6663 ips_shift_controllers(int lowindex, int highindex)
6664 {
6665 ips_ha_t *ha_sav = ips_ha[highindex];
6666 struct Scsi_Host *sh_sav = ips_sh[highindex];
6667 int i;
6668
6669 for (i = highindex; i > lowindex; i--) {
6670 ips_ha[i] = ips_ha[i - 1];
6671 ips_sh[i] = ips_sh[i - 1];
6672 ips_ha[i]->host_num = i;
6673 }
6674 ha_sav->host_num = lowindex;
6675 ips_ha[lowindex] = ha_sav;
6676 ips_sh[lowindex] = sh_sav;
6677 }
6678
6679 /****************************************************************************/
6680 /* */
6681 /* Routine Name: ips_order_controllers */
6682 /* */
6683 /* Routine Description: */
6684 /* place controllers is the "proper" boot order */
6685 /****************************************************************************/
6686 static void
ips_order_controllers(void)6687 ips_order_controllers(void)
6688 {
6689 int i, j, tmp, position = 0;
6690 IPS_NVRAM_P5 *nvram;
6691 if (!ips_ha[0])
6692 return;
6693 nvram = ips_ha[0]->nvram;
6694
6695 if (nvram->adapter_order[0]) {
6696 for (i = 1; i <= nvram->adapter_order[0]; i++) {
6697 for (j = position; j < ips_num_controllers; j++) {
6698 switch (ips_ha[j]->ad_type) {
6699 case IPS_ADTYPE_SERVERAID6M:
6700 case IPS_ADTYPE_SERVERAID7M:
6701 if (nvram->adapter_order[i] == 'M') {
6702 ips_shift_controllers(position,
6703 j);
6704 position++;
6705 }
6706 break;
6707 case IPS_ADTYPE_SERVERAID4L:
6708 case IPS_ADTYPE_SERVERAID4M:
6709 case IPS_ADTYPE_SERVERAID4MX:
6710 case IPS_ADTYPE_SERVERAID4LX:
6711 if (nvram->adapter_order[i] == 'N') {
6712 ips_shift_controllers(position,
6713 j);
6714 position++;
6715 }
6716 break;
6717 case IPS_ADTYPE_SERVERAID6I:
6718 case IPS_ADTYPE_SERVERAID5I2:
6719 case IPS_ADTYPE_SERVERAID5I1:
6720 case IPS_ADTYPE_SERVERAID7k:
6721 if (nvram->adapter_order[i] == 'S') {
6722 ips_shift_controllers(position,
6723 j);
6724 position++;
6725 }
6726 break;
6727 case IPS_ADTYPE_SERVERAID:
6728 case IPS_ADTYPE_SERVERAID2:
6729 case IPS_ADTYPE_NAVAJO:
6730 case IPS_ADTYPE_KIOWA:
6731 case IPS_ADTYPE_SERVERAID3L:
6732 case IPS_ADTYPE_SERVERAID3:
6733 case IPS_ADTYPE_SERVERAID4H:
6734 if (nvram->adapter_order[i] == 'A') {
6735 ips_shift_controllers(position,
6736 j);
6737 position++;
6738 }
6739 break;
6740 default:
6741 break;
6742 }
6743 }
6744 }
6745 /* if adapter_order[0], then ordering is complete */
6746 return;
6747 }
6748 /* old bios, use older ordering */
6749 tmp = 0;
6750 for (i = position; i < ips_num_controllers; i++) {
6751 if (ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID5I2 ||
6752 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID5I1) {
6753 ips_shift_controllers(position, i);
6754 position++;
6755 tmp = 1;
6756 }
6757 }
6758 /* if there were no 5I cards, then don't do any extra ordering */
6759 if (!tmp)
6760 return;
6761 for (i = position; i < ips_num_controllers; i++) {
6762 if (ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4L ||
6763 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4M ||
6764 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4LX ||
6765 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4MX) {
6766 ips_shift_controllers(position, i);
6767 position++;
6768 }
6769 }
6770
6771 return;
6772 }
6773
6774 /****************************************************************************/
6775 /* */
6776 /* Routine Name: ips_register_scsi */
6777 /* */
6778 /* Routine Description: */
6779 /* perform any registration and setup with the scsi layer */
6780 /****************************************************************************/
6781 static int
ips_register_scsi(int index)6782 ips_register_scsi(int index)
6783 {
6784 struct Scsi_Host *sh;
6785 ips_ha_t *ha, *oldha = ips_ha[index];
6786 sh = scsi_host_alloc(&ips_driver_template, sizeof (ips_ha_t));
6787 if (!sh) {
6788 IPS_PRINTK(KERN_WARNING, oldha->pcidev,
6789 "Unable to register controller with SCSI subsystem\n");
6790 return -1;
6791 }
6792 ha = IPS_HA(sh);
6793 memcpy(ha, oldha, sizeof (ips_ha_t));
6794 free_irq(oldha->pcidev->irq, oldha);
6795 /* Install the interrupt handler with the new ha */
6796 if (request_irq(ha->pcidev->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) {
6797 IPS_PRINTK(KERN_WARNING, ha->pcidev,
6798 "Unable to install interrupt handler\n");
6799 goto err_out_sh;
6800 }
6801
6802 kfree(oldha);
6803
6804 /* Store away needed values for later use */
6805 sh->unique_id = (ha->io_addr) ? ha->io_addr : ha->mem_addr;
6806 sh->sg_tablesize = sh->hostt->sg_tablesize;
6807 sh->can_queue = sh->hostt->can_queue;
6808 sh->cmd_per_lun = sh->hostt->cmd_per_lun;
6809 sh->use_clustering = sh->hostt->use_clustering;
6810 sh->max_sectors = 128;
6811
6812 sh->max_id = ha->ntargets;
6813 sh->max_lun = ha->nlun;
6814 sh->max_channel = ha->nbus - 1;
6815 sh->can_queue = ha->max_cmds - 1;
6816
6817 if (scsi_add_host(sh, &ha->pcidev->dev))
6818 goto err_out;
6819
6820 ips_sh[index] = sh;
6821 ips_ha[index] = ha;
6822
6823 scsi_scan_host(sh);
6824
6825 return 0;
6826
6827 err_out:
6828 free_irq(ha->pcidev->irq, ha);
6829 err_out_sh:
6830 scsi_host_put(sh);
6831 return -1;
6832 }
6833
6834 /*---------------------------------------------------------------------------*/
6835 /* Routine Name: ips_remove_device */
6836 /* */
6837 /* Routine Description: */
6838 /* Remove one Adapter ( Hot Plugging ) */
6839 /*---------------------------------------------------------------------------*/
6840 static void __devexit
ips_remove_device(struct pci_dev * pci_dev)6841 ips_remove_device(struct pci_dev *pci_dev)
6842 {
6843 struct Scsi_Host *sh = pci_get_drvdata(pci_dev);
6844
6845 pci_set_drvdata(pci_dev, NULL);
6846
6847 ips_release(sh);
6848
6849 pci_release_regions(pci_dev);
6850 pci_disable_device(pci_dev);
6851 }
6852
6853 /****************************************************************************/
6854 /* */
6855 /* Routine Name: ips_module_init */
6856 /* */
6857 /* Routine Description: */
6858 /* function called on module load */
6859 /****************************************************************************/
6860 static int __init
ips_module_init(void)6861 ips_module_init(void)
6862 {
6863 if (pci_register_driver(&ips_pci_driver) < 0)
6864 return -ENODEV;
6865 ips_driver_template.module = THIS_MODULE;
6866 ips_order_controllers();
6867 if (!ips_detect(&ips_driver_template)) {
6868 pci_unregister_driver(&ips_pci_driver);
6869 return -ENODEV;
6870 }
6871 register_reboot_notifier(&ips_notifier);
6872 return 0;
6873 }
6874
6875 /****************************************************************************/
6876 /* */
6877 /* Routine Name: ips_module_exit */
6878 /* */
6879 /* Routine Description: */
6880 /* function called on module unload */
6881 /****************************************************************************/
6882 static void __exit
ips_module_exit(void)6883 ips_module_exit(void)
6884 {
6885 pci_unregister_driver(&ips_pci_driver);
6886 unregister_reboot_notifier(&ips_notifier);
6887 }
6888
6889 module_init(ips_module_init);
6890 module_exit(ips_module_exit);
6891
6892 /*---------------------------------------------------------------------------*/
6893 /* Routine Name: ips_insert_device */
6894 /* */
6895 /* Routine Description: */
6896 /* Add One Adapter ( Hot Plug ) */
6897 /* */
6898 /* Return Value: */
6899 /* 0 if Successful, else non-zero */
6900 /*---------------------------------------------------------------------------*/
6901 static int __devinit
ips_insert_device(struct pci_dev * pci_dev,const struct pci_device_id * ent)6902 ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent)
6903 {
6904 int index = -1;
6905 int rc;
6906
6907 METHOD_TRACE("ips_insert_device", 1);
6908 rc = pci_enable_device(pci_dev);
6909 if (rc)
6910 return rc;
6911
6912 rc = pci_request_regions(pci_dev, "ips");
6913 if (rc)
6914 goto err_out;
6915
6916 rc = ips_init_phase1(pci_dev, &index);
6917 if (rc == SUCCESS)
6918 rc = ips_init_phase2(index);
6919
6920 if (ips_hotplug)
6921 if (ips_register_scsi(index)) {
6922 ips_free(ips_ha[index]);
6923 rc = -1;
6924 }
6925
6926 if (rc == SUCCESS)
6927 ips_num_controllers++;
6928
6929 ips_next_controller = ips_num_controllers;
6930
6931 if (rc < 0) {
6932 rc = -ENODEV;
6933 goto err_out_regions;
6934 }
6935
6936 pci_set_drvdata(pci_dev, ips_sh[index]);
6937 return 0;
6938
6939 err_out_regions:
6940 pci_release_regions(pci_dev);
6941 err_out:
6942 pci_disable_device(pci_dev);
6943 return rc;
6944 }
6945
6946 /*---------------------------------------------------------------------------*/
6947 /* Routine Name: ips_init_phase1 */
6948 /* */
6949 /* Routine Description: */
6950 /* Adapter Initialization */
6951 /* */
6952 /* Return Value: */
6953 /* 0 if Successful, else non-zero */
6954 /*---------------------------------------------------------------------------*/
6955 static int
ips_init_phase1(struct pci_dev * pci_dev,int * indexPtr)6956 ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr)
6957 {
6958 ips_ha_t *ha;
6959 uint32_t io_addr;
6960 uint32_t mem_addr;
6961 uint32_t io_len;
6962 uint32_t mem_len;
6963 uint8_t bus;
6964 uint8_t func;
6965 int j;
6966 int index;
6967 dma_addr_t dma_address;
6968 char __iomem *ioremap_ptr;
6969 char __iomem *mem_ptr;
6970 uint32_t IsDead;
6971
6972 METHOD_TRACE("ips_init_phase1", 1);
6973 index = IPS_MAX_ADAPTERS;
6974 for (j = 0; j < IPS_MAX_ADAPTERS; j++) {
6975 if (ips_ha[j] == NULL) {
6976 index = j;
6977 break;
6978 }
6979 }
6980
6981 if (index >= IPS_MAX_ADAPTERS)
6982 return -1;
6983
6984 /* stuff that we get in dev */
6985 bus = pci_dev->bus->number;
6986 func = pci_dev->devfn;
6987
6988 /* Init MEM/IO addresses to 0 */
6989 mem_addr = 0;
6990 io_addr = 0;
6991 mem_len = 0;
6992 io_len = 0;
6993
6994 for (j = 0; j < 2; j++) {
6995 if (!pci_resource_start(pci_dev, j))
6996 break;
6997
6998 if (pci_resource_flags(pci_dev, j) & IORESOURCE_IO) {
6999 io_addr = pci_resource_start(pci_dev, j);
7000 io_len = pci_resource_len(pci_dev, j);
7001 } else {
7002 mem_addr = pci_resource_start(pci_dev, j);
7003 mem_len = pci_resource_len(pci_dev, j);
7004 }
7005 }
7006
7007 /* setup memory mapped area (if applicable) */
7008 if (mem_addr) {
7009 uint32_t base;
7010 uint32_t offs;
7011
7012 base = mem_addr & PAGE_MASK;
7013 offs = mem_addr - base;
7014 ioremap_ptr = ioremap(base, PAGE_SIZE);
7015 if (!ioremap_ptr)
7016 return -1;
7017 mem_ptr = ioremap_ptr + offs;
7018 } else {
7019 ioremap_ptr = NULL;
7020 mem_ptr = NULL;
7021 }
7022
7023 /* found a controller */
7024 ha = kzalloc(sizeof (ips_ha_t), GFP_KERNEL);
7025 if (ha == NULL) {
7026 IPS_PRINTK(KERN_WARNING, pci_dev,
7027 "Unable to allocate temporary ha struct\n");
7028 return -1;
7029 }
7030
7031 ips_sh[index] = NULL;
7032 ips_ha[index] = ha;
7033 ha->active = 1;
7034
7035 /* Store info in HA structure */
7036 ha->io_addr = io_addr;
7037 ha->io_len = io_len;
7038 ha->mem_addr = mem_addr;
7039 ha->mem_len = mem_len;
7040 ha->mem_ptr = mem_ptr;
7041 ha->ioremap_ptr = ioremap_ptr;
7042 ha->host_num = (uint32_t) index;
7043 ha->slot_num = PCI_SLOT(pci_dev->devfn);
7044 ha->pcidev = pci_dev;
7045
7046 /*
7047 * Set the pci_dev's dma_mask. Not all adapters support 64bit
7048 * addressing so don't enable it if the adapter can't support
7049 * it! Also, don't use 64bit addressing if dma addresses
7050 * are guaranteed to be < 4G.
7051 */
7052 if (IPS_ENABLE_DMA64 && IPS_HAS_ENH_SGLIST(ha) &&
7053 !pci_set_dma_mask(ha->pcidev, DMA_BIT_MASK(64))) {
7054 (ha)->flags |= IPS_HA_ENH_SG;
7055 } else {
7056 if (pci_set_dma_mask(ha->pcidev, DMA_BIT_MASK(32)) != 0) {
7057 printk(KERN_WARNING "Unable to set DMA Mask\n");
7058 return ips_abort_init(ha, index);
7059 }
7060 }
7061 if(ips_cd_boot && !ips_FlashData){
7062 ips_FlashData = pci_alloc_consistent(pci_dev, PAGE_SIZE << 7,
7063 &ips_flashbusaddr);
7064 }
7065
7066 ha->enq = pci_alloc_consistent(pci_dev, sizeof (IPS_ENQ),
7067 &ha->enq_busaddr);
7068 if (!ha->enq) {
7069 IPS_PRINTK(KERN_WARNING, pci_dev,
7070 "Unable to allocate host inquiry structure\n");
7071 return ips_abort_init(ha, index);
7072 }
7073
7074 ha->adapt = pci_alloc_consistent(pci_dev, sizeof (IPS_ADAPTER) +
7075 sizeof (IPS_IO_CMD), &dma_address);
7076 if (!ha->adapt) {
7077 IPS_PRINTK(KERN_WARNING, pci_dev,
7078 "Unable to allocate host adapt & dummy structures\n");
7079 return ips_abort_init(ha, index);
7080 }
7081 ha->adapt->hw_status_start = dma_address;
7082 ha->dummy = (void *) (ha->adapt + 1);
7083
7084
7085
7086 ha->logical_drive_info = pci_alloc_consistent(pci_dev, sizeof (IPS_LD_INFO), &dma_address);
7087 if (!ha->logical_drive_info) {
7088 IPS_PRINTK(KERN_WARNING, pci_dev,
7089 "Unable to allocate logical drive info structure\n");
7090 return ips_abort_init(ha, index);
7091 }
7092 ha->logical_drive_info_dma_addr = dma_address;
7093
7094
7095 ha->conf = kmalloc(sizeof (IPS_CONF), GFP_KERNEL);
7096
7097 if (!ha->conf) {
7098 IPS_PRINTK(KERN_WARNING, pci_dev,
7099 "Unable to allocate host conf structure\n");
7100 return ips_abort_init(ha, index);
7101 }
7102
7103 ha->nvram = kmalloc(sizeof (IPS_NVRAM_P5), GFP_KERNEL);
7104
7105 if (!ha->nvram) {
7106 IPS_PRINTK(KERN_WARNING, pci_dev,
7107 "Unable to allocate host NVRAM structure\n");
7108 return ips_abort_init(ha, index);
7109 }
7110
7111 ha->subsys = kmalloc(sizeof (IPS_SUBSYS), GFP_KERNEL);
7112
7113 if (!ha->subsys) {
7114 IPS_PRINTK(KERN_WARNING, pci_dev,
7115 "Unable to allocate host subsystem structure\n");
7116 return ips_abort_init(ha, index);
7117 }
7118
7119 /* the ioctl buffer is now used during adapter initialization, so its
7120 * successful allocation is now required */
7121 if (ips_ioctlsize < PAGE_SIZE)
7122 ips_ioctlsize = PAGE_SIZE;
7123
7124 ha->ioctl_data = pci_alloc_consistent(pci_dev, ips_ioctlsize,
7125 &ha->ioctl_busaddr);
7126 ha->ioctl_len = ips_ioctlsize;
7127 if (!ha->ioctl_data) {
7128 IPS_PRINTK(KERN_WARNING, pci_dev,
7129 "Unable to allocate IOCTL data\n");
7130 return ips_abort_init(ha, index);
7131 }
7132
7133 /*
7134 * Setup Functions
7135 */
7136 ips_setup_funclist(ha);
7137
7138 if ((IPS_IS_MORPHEUS(ha)) || (IPS_IS_MARCO(ha))) {
7139 /* If Morpheus appears dead, reset it */
7140 IsDead = readl(ha->mem_ptr + IPS_REG_I960_MSG1);
7141 if (IsDead == 0xDEADBEEF) {
7142 ips_reset_morpheus(ha);
7143 }
7144 }
7145
7146 /*
7147 * Initialize the card if it isn't already
7148 */
7149
7150 if (!(*ha->func.isinit) (ha)) {
7151 if (!(*ha->func.init) (ha)) {
7152 /*
7153 * Initialization failed
7154 */
7155 IPS_PRINTK(KERN_WARNING, pci_dev,
7156 "Unable to initialize controller\n");
7157 return ips_abort_init(ha, index);
7158 }
7159 }
7160
7161 *indexPtr = index;
7162 return SUCCESS;
7163 }
7164
7165 /*---------------------------------------------------------------------------*/
7166 /* Routine Name: ips_init_phase2 */
7167 /* */
7168 /* Routine Description: */
7169 /* Adapter Initialization Phase 2 */
7170 /* */
7171 /* Return Value: */
7172 /* 0 if Successful, else non-zero */
7173 /*---------------------------------------------------------------------------*/
7174 static int
ips_init_phase2(int index)7175 ips_init_phase2(int index)
7176 {
7177 ips_ha_t *ha;
7178
7179 ha = ips_ha[index];
7180
7181 METHOD_TRACE("ips_init_phase2", 1);
7182 if (!ha->active) {
7183 ips_ha[index] = NULL;
7184 return -1;
7185 }
7186
7187 /* Install the interrupt handler */
7188 if (request_irq(ha->pcidev->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) {
7189 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7190 "Unable to install interrupt handler\n");
7191 return ips_abort_init(ha, index);
7192 }
7193
7194 /*
7195 * Allocate a temporary SCB for initialization
7196 */
7197 ha->max_cmds = 1;
7198 if (!ips_allocatescbs(ha)) {
7199 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7200 "Unable to allocate a CCB\n");
7201 free_irq(ha->pcidev->irq, ha);
7202 return ips_abort_init(ha, index);
7203 }
7204
7205 if (!ips_hainit(ha)) {
7206 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7207 "Unable to initialize controller\n");
7208 free_irq(ha->pcidev->irq, ha);
7209 return ips_abort_init(ha, index);
7210 }
7211 /* Free the temporary SCB */
7212 ips_deallocatescbs(ha, 1);
7213
7214 /* allocate CCBs */
7215 if (!ips_allocatescbs(ha)) {
7216 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7217 "Unable to allocate CCBs\n");
7218 free_irq(ha->pcidev->irq, ha);
7219 return ips_abort_init(ha, index);
7220 }
7221
7222 return SUCCESS;
7223 }
7224
7225 MODULE_LICENSE("GPL");
7226 MODULE_DESCRIPTION("IBM ServeRAID Adapter Driver " IPS_VER_STRING);
7227 MODULE_VERSION(IPS_VER_STRING);
7228
7229
7230 /*
7231 * Overrides for Emacs so that we almost follow Linus's tabbing style.
7232 * Emacs will notice this stuff at the end of the file and automatically
7233 * adjust the settings for this buffer only. This must remain at the end
7234 * of the file.
7235 * ---------------------------------------------------------------------------
7236 * Local variables:
7237 * c-indent-level: 2
7238 * c-brace-imaginary-offset: 0
7239 * c-brace-offset: -2
7240 * c-argdecl-indent: 2
7241 * c-label-offset: -2
7242 * c-continued-statement-offset: 2
7243 * c-continued-brace-offset: 0
7244 * indent-tabs-mode: nil
7245 * tab-width: 8
7246 * End:
7247 */
7248