]> git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/blob - drivers/scsi/ips.c
projects / mirror_ubuntu-eoan-kernel.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
[mirror_ubuntu-eoan-kernel.git] / drivers / scsi / ips.c
1 /*****************************************************************************/
2 /* ips.c -- driver for the Adaptec / IBM ServeRAID controller */
3 /* */
4 /* Written By: Keith Mitchell, IBM Corporation */
5 /* Jack Hammer, Adaptec, Inc. */
6 /* David Jeffery, Adaptec, Inc. */
7 /* */
8 /* Copyright (C) 2000 IBM Corporation */
9 /* Copyright (C) 2002,2003 Adaptec, Inc. */
10 /* */
11 /* This program is free software; you can redistribute it and/or modify */
12 /* it under the terms of the GNU General Public License as published by */
13 /* the Free Software Foundation; either version 2 of the License, or */
14 /* (at your option) any later version. */
15 /* */
16 /* This program is distributed in the hope that it will be useful, */
17 /* but WITHOUT ANY WARRANTY; without even the implied warranty of */
18 /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
19 /* GNU General Public License for more details. */
20 /* */
21 /* NO WARRANTY */
22 /* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR */
23 /* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT */
24 /* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, */
25 /* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is */
26 /* solely responsible for determining the appropriateness of using and */
27 /* distributing the Program and assumes all risks associated with its */
28 /* exercise of rights under this Agreement, including but not limited to */
29 /* the risks and costs of program errors, damage to or loss of data, */
30 /* programs or equipment, and unavailability or interruption of operations. */
31 /* */
32 /* DISCLAIMER OF LIABILITY */
33 /* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY */
34 /* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL */
35 /* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND */
36 /* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR */
37 /* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE */
38 /* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED */
39 /* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES */
40 /* */
41 /* You should have received a copy of the GNU General Public License */
42 /* along with this program; if not, write to the Free Software */
43 /* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
44 /* */
45 /* Bugs/Comments/Suggestions about this driver should be mailed to: */
46 /* ipslinux@adaptec.com */
47 /* */
48 /* For system support issues, contact your local IBM Customer support. */
49 /* Directions to find IBM Customer Support for each country can be found at: */
50 /* http://www.ibm.com/planetwide/ */
51 /* */
52 /*****************************************************************************/
53
54 /*****************************************************************************/
55 /* Change Log */
56 /* */
57 /* 0.99.02 - Breakup commands that are bigger than 8 * the stripe size */
58 /* 0.99.03 - Make interrupt routine handle all completed request on the */
59 /* adapter not just the first one */
60 /* - Make sure passthru commands get woken up if we run out of */
61 /* SCBs */
62 /* - Send all of the commands on the queue at once rather than */
63 /* one at a time since the card will support it. */
64 /* 0.99.04 - Fix race condition in the passthru mechanism -- this required */
65 /* the interface to the utilities to change */
66 /* - Fix error recovery code */
67 /* 0.99.05 - Fix an oops when we get certain passthru commands */
68 /* 1.00.00 - Initial Public Release */
69 /* Functionally equivalent to 0.99.05 */
70 /* 3.60.00 - Bump max commands to 128 for use with firmware 3.60 */
71 /* - Change version to 3.60 to coincide with release numbering. */
72 /* 3.60.01 - Remove bogus error check in passthru routine */
73 /* 3.60.02 - Make DCDB direction based on lookup table */
74 /* - Only allow one DCDB command to a SCSI ID at a time */
75 /* 4.00.00 - Add support for ServeRAID 4 */
76 /* 4.00.01 - Add support for First Failure Data Capture */
77 /* 4.00.02 - Fix problem with PT DCDB with no buffer */
78 /* 4.00.03 - Add alternative passthru interface */
79 /* - Add ability to flash BIOS */
80 /* 4.00.04 - Rename structures/constants to be prefixed with IPS_ */
81 /* 4.00.05 - Remove wish_block from init routine */
82 /* - Use linux/spinlock.h instead of asm/spinlock.h for kernels */
83 /* 2.3.18 and later */
84 /* - Sync with other changes from the 2.3 kernels */
85 /* 4.00.06 - Fix timeout with initial FFDC command */
86 /* 4.00.06a - Port to 2.4 (trivial) -- Christoph Hellwig <hch@infradead.org> */
87 /* 4.10.00 - Add support for ServeRAID 4M/4L */
88 /* 4.10.13 - Fix for dynamic unload and proc file system */
89 /* 4.20.03 - Rename version to coincide with new release schedules */
90 /* Performance fixes */
91 /* Fix truncation of /proc files with cat */
92 /* Merge in changes through kernel 2.4.0test1ac21 */
93 /* 4.20.13 - Fix some failure cases / reset code */
94 /* - Hook into the reboot_notifier to flush the controller cache */
95 /* 4.50.01 - Fix problem when there is a hole in logical drive numbering */
96 /* 4.70.09 - Use a Common ( Large Buffer ) for Flashing from the JCRM CD */
97 /* - Add IPSSEND Flash Support */
98 /* - Set Sense Data for Unknown SCSI Command */
99 /* - Use Slot Number from NVRAM Page 5 */
100 /* - Restore caller's DCDB Structure */
101 /* 4.70.12 - Corrective actions for bad controller ( during initialization )*/
102 /* 4.70.13 - Don't Send CDB's if we already know the device is not present */
103 /* - Don't release HA Lock in ips_next() until SC taken off queue */
104 /* - Unregister SCSI device in ips_release() */
105 /* 4.70.15 - Fix Breakup for very large ( non-SG ) requests in ips_done() */
106 /* 4.71.00 - Change all memory allocations to not use GFP_DMA flag */
107 /* Code Clean-Up for 2.4.x kernel */
108 /* 4.72.00 - Allow for a Scatter-Gather Element to exceed MAX_XFER Size */
109 /* 4.72.01 - I/O Mapped Memory release ( so "insmod ips" does not Fail ) */
110 /* - Don't Issue Internal FFDC Command if there are Active Commands */
111 /* - Close Window for getting too many IOCTL's active */
112 /* 4.80.00 - Make ia64 Safe */
113 /* 4.80.04 - Eliminate calls to strtok() if 2.4.x or greater */
114 /* - Adjustments to Device Queue Depth */
115 /* 4.80.14 - Take all semaphores off stack */
116 /* - Clean Up New_IOCTL path */
117 /* 4.80.20 - Set max_sectors in Scsi_Host structure ( if >= 2.4.7 kernel ) */
118 /* - 5 second delay needed after resetting an i960 adapter */
119 /* 4.80.26 - Clean up potential code problems ( Arjan's recommendations ) */
120 /* 4.90.01 - Version Matching for FirmWare, BIOS, and Driver */
121 /* 4.90.05 - Use New PCI Architecture to facilitate Hot Plug Development */
122 /* 4.90.08 - Increase Delays in Flashing ( Trombone Only - 4H ) */
123 /* 4.90.08 - Data Corruption if First Scatter Gather Element is > 64K */
124 /* 4.90.11 - Don't actually RESET unless it's physically required */
125 /* - Remove unused compile options */
126 /* 5.00.01 - Sarasota ( 5i ) adapters must always be scanned first */
127 /* - Get rid on IOCTL_NEW_COMMAND code */
128 /* - Add Extended DCDB Commands for Tape Support in 5I */
129 /* 5.10.12 - use pci_dma interfaces, update for 2.5 kernel changes */
130 /* 5.10.15 - remove unused code (sem, macros, etc.) */
131 /* 5.30.00 - use __devexit_p() */
132 /* 6.00.00 - Add 6x Adapters and Battery Flash */
133 /* 6.10.00 - Remove 1G Addressing Limitations */
134 /* 6.11.xx - Get VersionInfo buffer off the stack ! DDTS 60401 */
135 /* 6.11.xx - Make Logical Drive Info structure safe for DMA DDTS 60639 */
136 /* 7.10.18 - Add highmem_io flag in SCSI Templete for 2.4 kernels */
137 /* - Fix path/name for scsi_hosts.h include for 2.6 kernels */
138 /* - Fix sort order of 7k */
139 /* - Remove 3 unused "inline" functions */
140 /* 7.12.xx - Use STATIC functions 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 #define IPS_DMA_DIR(scb) ((!scb->scsi_cmd || ips_is_passthru(scb->scsi_cmd) || \
210 DMA_NONE == scb->scsi_cmd->sc_data_direction) ? \
211 PCI_DMA_BIDIRECTIONAL : \
212 scb->scsi_cmd->sc_data_direction)
213
214 #ifdef IPS_DEBUG
215 #define METHOD_TRACE(s, i) if (ips_debug >= (i+10)) printk(KERN_NOTICE s "\n");
216 #define DEBUG(i, s) if (ips_debug >= i) printk(KERN_NOTICE s "\n");
217 #define DEBUG_VAR(i, s, v...) if (ips_debug >= i) printk(KERN_NOTICE s "\n", v);
218 #else
219 #define METHOD_TRACE(s, i)
220 #define DEBUG(i, s)
221 #define DEBUG_VAR(i, s, v...)
222 #endif
223
224 /*
225 * Function prototypes
226 */
227 static int ips_eh_abort(struct scsi_cmnd *);
228 static int ips_eh_reset(struct scsi_cmnd *);
229 static int ips_queue(struct Scsi_Host *, struct scsi_cmnd *);
230 static const char *ips_info(struct Scsi_Host *);
231 static irqreturn_t do_ipsintr(int, void *);
232 static int ips_hainit(ips_ha_t *);
233 static int ips_map_status(ips_ha_t *, ips_scb_t *, ips_stat_t *);
234 static int ips_send_wait(ips_ha_t *, ips_scb_t *, int, int);
235 static int ips_send_cmd(ips_ha_t *, ips_scb_t *);
236 static int ips_online(ips_ha_t *, ips_scb_t *);
237 static int ips_inquiry(ips_ha_t *, ips_scb_t *);
238 static int ips_rdcap(ips_ha_t *, ips_scb_t *);
239 static int ips_msense(ips_ha_t *, ips_scb_t *);
240 static int ips_reqsen(ips_ha_t *, ips_scb_t *);
241 static int ips_deallocatescbs(ips_ha_t *, int);
242 static int ips_allocatescbs(ips_ha_t *);
243 static int ips_reset_copperhead(ips_ha_t *);
244 static int ips_reset_copperhead_memio(ips_ha_t *);
245 static int ips_reset_morpheus(ips_ha_t *);
246 static int ips_issue_copperhead(ips_ha_t *, ips_scb_t *);
247 static int ips_issue_copperhead_memio(ips_ha_t *, ips_scb_t *);
248 static int ips_issue_i2o(ips_ha_t *, ips_scb_t *);
249 static int ips_issue_i2o_memio(ips_ha_t *, ips_scb_t *);
250 static int ips_isintr_copperhead(ips_ha_t *);
251 static int ips_isintr_copperhead_memio(ips_ha_t *);
252 static int ips_isintr_morpheus(ips_ha_t *);
253 static int ips_wait(ips_ha_t *, int, int);
254 static int ips_write_driver_status(ips_ha_t *, int);
255 static int ips_read_adapter_status(ips_ha_t *, int);
256 static int ips_read_subsystem_parameters(ips_ha_t *, int);
257 static int ips_read_config(ips_ha_t *, int);
258 static int ips_clear_adapter(ips_ha_t *, int);
259 static int ips_readwrite_page5(ips_ha_t *, int, int);
260 static int ips_init_copperhead(ips_ha_t *);
261 static int ips_init_copperhead_memio(ips_ha_t *);
262 static int ips_init_morpheus(ips_ha_t *);
263 static int ips_isinit_copperhead(ips_ha_t *);
264 static int ips_isinit_copperhead_memio(ips_ha_t *);
265 static int ips_isinit_morpheus(ips_ha_t *);
266 static int ips_erase_bios(ips_ha_t *);
267 static int ips_program_bios(ips_ha_t *, char *, uint32_t, uint32_t);
268 static int ips_verify_bios(ips_ha_t *, char *, uint32_t, uint32_t);
269 static int ips_erase_bios_memio(ips_ha_t *);
270 static int ips_program_bios_memio(ips_ha_t *, char *, uint32_t, uint32_t);
271 static int ips_verify_bios_memio(ips_ha_t *, char *, uint32_t, uint32_t);
272 static int ips_flash_copperhead(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
273 static int ips_flash_bios(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
274 static int ips_flash_firmware(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
275 static void ips_free_flash_copperhead(ips_ha_t * ha);
276 static void ips_get_bios_version(ips_ha_t *, int);
277 static void ips_identify_controller(ips_ha_t *);
278 static void ips_chkstatus(ips_ha_t *, IPS_STATUS *);
279 static void ips_enable_int_copperhead(ips_ha_t *);
280 static void ips_enable_int_copperhead_memio(ips_ha_t *);
281 static void ips_enable_int_morpheus(ips_ha_t *);
282 static int ips_intr_copperhead(ips_ha_t *);
283 static int ips_intr_morpheus(ips_ha_t *);
284 static void ips_next(ips_ha_t *, int);
285 static void ipsintr_blocking(ips_ha_t *, struct ips_scb *);
286 static void ipsintr_done(ips_ha_t *, struct ips_scb *);
287 static void ips_done(ips_ha_t *, ips_scb_t *);
288 static void ips_free(ips_ha_t *);
289 static void ips_init_scb(ips_ha_t *, ips_scb_t *);
290 static void ips_freescb(ips_ha_t *, ips_scb_t *);
291 static void ips_setup_funclist(ips_ha_t *);
292 static void ips_statinit(ips_ha_t *);
293 static void ips_statinit_memio(ips_ha_t *);
294 static void ips_fix_ffdc_time(ips_ha_t *, ips_scb_t *, time64_t);
295 static void ips_ffdc_reset(ips_ha_t *, int);
296 static void ips_ffdc_time(ips_ha_t *);
297 static uint32_t ips_statupd_copperhead(ips_ha_t *);
298 static uint32_t ips_statupd_copperhead_memio(ips_ha_t *);
299 static uint32_t ips_statupd_morpheus(ips_ha_t *);
300 static ips_scb_t *ips_getscb(ips_ha_t *);
301 static void ips_putq_scb_head(ips_scb_queue_t *, ips_scb_t *);
302 static void ips_putq_wait_tail(ips_wait_queue_entry_t *, struct scsi_cmnd *);
303 static void ips_putq_copp_tail(ips_copp_queue_t *,
304 ips_copp_wait_item_t *);
305 static ips_scb_t *ips_removeq_scb_head(ips_scb_queue_t *);
306 static ips_scb_t *ips_removeq_scb(ips_scb_queue_t *, ips_scb_t *);
307 static struct scsi_cmnd *ips_removeq_wait_head(ips_wait_queue_entry_t *);
308 static struct scsi_cmnd *ips_removeq_wait(ips_wait_queue_entry_t *,
309 struct scsi_cmnd *);
310 static ips_copp_wait_item_t *ips_removeq_copp(ips_copp_queue_t *,
311 ips_copp_wait_item_t *);
312 static ips_copp_wait_item_t *ips_removeq_copp_head(ips_copp_queue_t *);
313
314 static int ips_is_passthru(struct scsi_cmnd *);
315 static int ips_make_passthru(ips_ha_t *, struct scsi_cmnd *, ips_scb_t *, int);
316 static int ips_usrcmd(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
317 static void ips_cleanup_passthru(ips_ha_t *, ips_scb_t *);
318 static void ips_scmd_buf_write(struct scsi_cmnd * scmd, void *data,
319 unsigned int count);
320 static void ips_scmd_buf_read(struct scsi_cmnd * scmd, void *data,
321 unsigned int count);
322
323 static int ips_write_info(struct Scsi_Host *, char *, int);
324 static int ips_show_info(struct seq_file *, struct Scsi_Host *);
325 static int ips_host_info(ips_ha_t *, struct seq_file *);
326 static int ips_abort_init(ips_ha_t * ha, int index);
327 static int ips_init_phase2(int index);
328
329 static int ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr);
330 static int ips_register_scsi(int index);
331
332 static int ips_poll_for_flush_complete(ips_ha_t * ha);
333 static void ips_flush_and_reset(ips_ha_t *ha);
334
335 /*
336 * global variables
337 */
338 static const char ips_name[] = "ips";
339 static struct Scsi_Host *ips_sh[IPS_MAX_ADAPTERS]; /* Array of host controller structures */
340 static ips_ha_t *ips_ha[IPS_MAX_ADAPTERS]; /* Array of HA structures */
341 static unsigned int ips_next_controller;
342 static unsigned int ips_num_controllers;
343 static unsigned int ips_released_controllers;
344 static int ips_hotplug;
345 static int ips_cmd_timeout = 60;
346 static int ips_reset_timeout = 60 * 5;
347 static int ips_force_memio = 1; /* Always use Memory Mapped I/O */
348 static int ips_force_i2o = 1; /* Always use I2O command delivery */
349 static int ips_ioctlsize = IPS_IOCTL_SIZE; /* Size of the ioctl buffer */
350 static int ips_cd_boot; /* Booting from Manager CD */
351 static char *ips_FlashData = NULL; /* CD Boot - Flash Data Buffer */
352 static dma_addr_t ips_flashbusaddr;
353 static long ips_FlashDataInUse; /* CD Boot - Flash Data In Use Flag */
354 static uint32_t MaxLiteCmds = 32; /* Max Active Cmds for a Lite Adapter */
355 static struct scsi_host_template ips_driver_template = {
356 .info = ips_info,
357 .queuecommand = ips_queue,
358 .eh_abort_handler = ips_eh_abort,
359 .eh_host_reset_handler = ips_eh_reset,
360 .proc_name = "ips",
361 .show_info = ips_show_info,
362 .write_info = ips_write_info,
363 .slave_configure = ips_slave_configure,
364 .bios_param = ips_biosparam,
365 .this_id = -1,
366 .sg_tablesize = IPS_MAX_SG,
367 .cmd_per_lun = 3,
368 .use_clustering = ENABLE_CLUSTERING,
369 .no_write_same = 1,
370 };
371
372
373 /* This table describes all ServeRAID Adapters */
374 static struct pci_device_id ips_pci_table[] = {
375 { 0x1014, 0x002E, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
376 { 0x1014, 0x01BD, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
377 { 0x9005, 0x0250, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
378 { 0, }
379 };
380
381 MODULE_DEVICE_TABLE( pci, ips_pci_table );
382
383 static char ips_hot_plug_name[] = "ips";
384
385 static int ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent);
386 static void ips_remove_device(struct pci_dev *pci_dev);
387
388 static struct pci_driver ips_pci_driver = {
389 .name = ips_hot_plug_name,
390 .id_table = ips_pci_table,
391 .probe = ips_insert_device,
392 .remove = ips_remove_device,
393 };
394
395
396 /*
397 * Necessary forward function protoypes
398 */
399 static int ips_halt(struct notifier_block *nb, ulong event, void *buf);
400
401 #define MAX_ADAPTER_NAME 15
402
403 static char ips_adapter_name[][30] = {
404 "ServeRAID",
405 "ServeRAID II",
406 "ServeRAID on motherboard",
407 "ServeRAID on motherboard",
408 "ServeRAID 3H",
409 "ServeRAID 3L",
410 "ServeRAID 4H",
411 "ServeRAID 4M",
412 "ServeRAID 4L",
413 "ServeRAID 4Mx",
414 "ServeRAID 4Lx",
415 "ServeRAID 5i",
416 "ServeRAID 5i",
417 "ServeRAID 6M",
418 "ServeRAID 6i",
419 "ServeRAID 7t",
420 "ServeRAID 7k",
421 "ServeRAID 7M"
422 };
423
424 static struct notifier_block ips_notifier = {
425 ips_halt, NULL, 0
426 };
427
428 /*
429 * Direction table
430 */
431 static char ips_command_direction[] = {
432 IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT,
433 IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK,
434 IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
435 IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_OUT,
436 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_OUT,
437 IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_OUT,
438 IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_IN,
439 IPS_DATA_UNK, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK,
440 IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_UNK,
441 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT,
442 IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_NONE,
443 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT,
444 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT,
445 IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_NONE,
446 IPS_DATA_UNK, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_UNK,
447 IPS_DATA_NONE, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK,
448 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
449 IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
450 IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
451 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
452 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
453 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
454 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, 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_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
457 IPS_DATA_UNK, 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_NONE, IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_NONE,
466 IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_OUT,
467 IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_NONE,
468 IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_IN,
469 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
470 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
471 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
472 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
473 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
474 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
475 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
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_OUT,
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 };
484
485
486 /****************************************************************************/
487 /* */
488 /* Routine Name: ips_setup */
489 /* */
490 /* Routine Description: */
491 /* */
492 /* setup parameters to the driver */
493 /* */
494 /****************************************************************************/
495 static int
496 ips_setup(char *ips_str)
497 {
498
499 int i;
500 char *key;
501 char *value;
502 IPS_OPTION options[] = {
503 {"noi2o", &ips_force_i2o, 0},
504 {"nommap", &ips_force_memio, 0},
505 {"ioctlsize", &ips_ioctlsize, IPS_IOCTL_SIZE},
506 {"cdboot", &ips_cd_boot, 0},
507 {"maxcmds", &MaxLiteCmds, 32},
508 };
509
510 /* Don't use strtok() anymore ( if 2.4 Kernel or beyond ) */
511 /* Search for value */
512 while ((key = strsep(&ips_str, ",."))) {
513 if (!*key)
514 continue;
515 value = strchr(key, ':');
516 if (value)
517 *value++ = '\0';
518 /*
519 * We now have key/value pairs.
520 * Update the variables
521 */
522 for (i = 0; i < ARRAY_SIZE(options); i++) {
523 if (strncasecmp
524 (key, options[i].option_name,
525 strlen(options[i].option_name)) == 0) {
526 if (value)
527 *options[i].option_flag =
528 simple_strtoul(value, NULL, 0);
529 else
530 *options[i].option_flag =
531 options[i].option_value;
532 break;
533 }
534 }
535 }
536
537 return (1);
538 }
539
540 __setup("ips=", ips_setup);
541
542 /****************************************************************************/
543 /* */
544 /* Routine Name: ips_detect */
545 /* */
546 /* Routine Description: */
547 /* */
548 /* Detect and initialize the driver */
549 /* */
550 /* NOTE: this routine is called under the io_request_lock spinlock */
551 /* */
552 /****************************************************************************/
553 static int
554 ips_detect(struct scsi_host_template * SHT)
555 {
556 int i;
557
558 METHOD_TRACE("ips_detect", 1);
559
560 #ifdef MODULE
561 if (ips)
562 ips_setup(ips);
563 #endif
564
565 for (i = 0; i < ips_num_controllers; i++) {
566 if (ips_register_scsi(i))
567 ips_free(ips_ha[i]);
568 ips_released_controllers++;
569 }
570 ips_hotplug = 1;
571 return (ips_num_controllers);
572 }
573
574 /****************************************************************************/
575 /* configure the function pointers to use the functions that will work */
576 /* with the found version of the adapter */
577 /****************************************************************************/
578 static void
579 ips_setup_funclist(ips_ha_t * ha)
580 {
581
582 /*
583 * Setup Functions
584 */
585 if (IPS_IS_MORPHEUS(ha) || IPS_IS_MARCO(ha)) {
586 /* morpheus / marco / sebring */
587 ha->func.isintr = ips_isintr_morpheus;
588 ha->func.isinit = ips_isinit_morpheus;
589 ha->func.issue = ips_issue_i2o_memio;
590 ha->func.init = ips_init_morpheus;
591 ha->func.statupd = ips_statupd_morpheus;
592 ha->func.reset = ips_reset_morpheus;
593 ha->func.intr = ips_intr_morpheus;
594 ha->func.enableint = ips_enable_int_morpheus;
595 } else if (IPS_USE_MEMIO(ha)) {
596 /* copperhead w/MEMIO */
597 ha->func.isintr = ips_isintr_copperhead_memio;
598 ha->func.isinit = ips_isinit_copperhead_memio;
599 ha->func.init = ips_init_copperhead_memio;
600 ha->func.statupd = ips_statupd_copperhead_memio;
601 ha->func.statinit = ips_statinit_memio;
602 ha->func.reset = ips_reset_copperhead_memio;
603 ha->func.intr = ips_intr_copperhead;
604 ha->func.erasebios = ips_erase_bios_memio;
605 ha->func.programbios = ips_program_bios_memio;
606 ha->func.verifybios = ips_verify_bios_memio;
607 ha->func.enableint = ips_enable_int_copperhead_memio;
608 if (IPS_USE_I2O_DELIVER(ha))
609 ha->func.issue = ips_issue_i2o_memio;
610 else
611 ha->func.issue = ips_issue_copperhead_memio;
612 } else {
613 /* copperhead */
614 ha->func.isintr = ips_isintr_copperhead;
615 ha->func.isinit = ips_isinit_copperhead;
616 ha->func.init = ips_init_copperhead;
617 ha->func.statupd = ips_statupd_copperhead;
618 ha->func.statinit = ips_statinit;
619 ha->func.reset = ips_reset_copperhead;
620 ha->func.intr = ips_intr_copperhead;
621 ha->func.erasebios = ips_erase_bios;
622 ha->func.programbios = ips_program_bios;
623 ha->func.verifybios = ips_verify_bios;
624 ha->func.enableint = ips_enable_int_copperhead;
625
626 if (IPS_USE_I2O_DELIVER(ha))
627 ha->func.issue = ips_issue_i2o;
628 else
629 ha->func.issue = ips_issue_copperhead;
630 }
631 }
632
633 /****************************************************************************/
634 /* */
635 /* Routine Name: ips_release */
636 /* */
637 /* Routine Description: */
638 /* */
639 /* Remove a driver */
640 /* */
641 /****************************************************************************/
642 static int
643 ips_release(struct Scsi_Host *sh)
644 {
645 ips_scb_t *scb;
646 ips_ha_t *ha;
647 int i;
648
649 METHOD_TRACE("ips_release", 1);
650
651 scsi_remove_host(sh);
652
653 for (i = 0; i < IPS_MAX_ADAPTERS && ips_sh[i] != sh; i++) ;
654
655 if (i == IPS_MAX_ADAPTERS) {
656 printk(KERN_WARNING
657 "(%s) release, invalid Scsi_Host pointer.\n", ips_name);
658 BUG();
659 return (FALSE);
660 }
661
662 ha = IPS_HA(sh);
663
664 if (!ha)
665 return (FALSE);
666
667 /* flush the cache on the controller */
668 scb = &ha->scbs[ha->max_cmds - 1];
669
670 ips_init_scb(ha, scb);
671
672 scb->timeout = ips_cmd_timeout;
673 scb->cdb[0] = IPS_CMD_FLUSH;
674
675 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
676 scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb);
677 scb->cmd.flush_cache.state = IPS_NORM_STATE;
678 scb->cmd.flush_cache.reserved = 0;
679 scb->cmd.flush_cache.reserved2 = 0;
680 scb->cmd.flush_cache.reserved3 = 0;
681 scb->cmd.flush_cache.reserved4 = 0;
682
683 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Cache.\n");
684
685 /* send command */
686 if (ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_ON) == IPS_FAILURE)
687 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Incomplete Flush.\n");
688
689 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Complete.\n");
690
691 ips_sh[i] = NULL;
692 ips_ha[i] = NULL;
693
694 /* free extra memory */
695 ips_free(ha);
696
697 /* free IRQ */
698 free_irq(ha->pcidev->irq, ha);
699
700 scsi_host_put(sh);
701
702 ips_released_controllers++;
703
704 return (FALSE);
705 }
706
707 /****************************************************************************/
708 /* */
709 /* Routine Name: ips_halt */
710 /* */
711 /* Routine Description: */
712 /* */
713 /* Perform cleanup when the system reboots */
714 /* */
715 /****************************************************************************/
716 static int
717 ips_halt(struct notifier_block *nb, ulong event, void *buf)
718 {
719 ips_scb_t *scb;
720 ips_ha_t *ha;
721 int i;
722
723 if ((event != SYS_RESTART) && (event != SYS_HALT) &&
724 (event != SYS_POWER_OFF))
725 return (NOTIFY_DONE);
726
727 for (i = 0; i < ips_next_controller; i++) {
728 ha = (ips_ha_t *) ips_ha[i];
729
730 if (!ha)
731 continue;
732
733 if (!ha->active)
734 continue;
735
736 /* flush the cache on the controller */
737 scb = &ha->scbs[ha->max_cmds - 1];
738
739 ips_init_scb(ha, scb);
740
741 scb->timeout = ips_cmd_timeout;
742 scb->cdb[0] = IPS_CMD_FLUSH;
743
744 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
745 scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb);
746 scb->cmd.flush_cache.state = IPS_NORM_STATE;
747 scb->cmd.flush_cache.reserved = 0;
748 scb->cmd.flush_cache.reserved2 = 0;
749 scb->cmd.flush_cache.reserved3 = 0;
750 scb->cmd.flush_cache.reserved4 = 0;
751
752 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Cache.\n");
753
754 /* send command */
755 if (ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_ON) ==
756 IPS_FAILURE)
757 IPS_PRINTK(KERN_WARNING, ha->pcidev,
758 "Incomplete Flush.\n");
759 else
760 IPS_PRINTK(KERN_WARNING, ha->pcidev,
761 "Flushing Complete.\n");
762 }
763
764 return (NOTIFY_OK);
765 }
766
767 /****************************************************************************/
768 /* */
769 /* Routine Name: ips_eh_abort */
770 /* */
771 /* Routine Description: */
772 /* */
773 /* Abort a command (using the new error code stuff) */
774 /* Note: this routine is called under the io_request_lock */
775 /****************************************************************************/
776 int ips_eh_abort(struct scsi_cmnd *SC)
777 {
778 ips_ha_t *ha;
779 ips_copp_wait_item_t *item;
780 int ret;
781 struct Scsi_Host *host;
782
783 METHOD_TRACE("ips_eh_abort", 1);
784
785 if (!SC)
786 return (FAILED);
787
788 host = SC->device->host;
789 ha = (ips_ha_t *) SC->device->host->hostdata;
790
791 if (!ha)
792 return (FAILED);
793
794 if (!ha->active)
795 return (FAILED);
796
797 spin_lock(host->host_lock);
798
799 /* See if the command is on the copp queue */
800 item = ha->copp_waitlist.head;
801 while ((item) && (item->scsi_cmd != SC))
802 item = item->next;
803
804 if (item) {
805 /* Found it */
806 ips_removeq_copp(&ha->copp_waitlist, item);
807 ret = (SUCCESS);
808
809 /* See if the command is on the wait queue */
810 } else if (ips_removeq_wait(&ha->scb_waitlist, SC)) {
811 /* command not sent yet */
812 ret = (SUCCESS);
813 } else {
814 /* command must have already been sent */
815 ret = (FAILED);
816 }
817
818 spin_unlock(host->host_lock);
819 return ret;
820 }
821
822 /****************************************************************************/
823 /* */
824 /* Routine Name: ips_eh_reset */
825 /* */
826 /* Routine Description: */
827 /* */
828 /* Reset the controller (with new eh error code) */
829 /* */
830 /* NOTE: this routine is called under the io_request_lock spinlock */
831 /* */
832 /****************************************************************************/
833 static int __ips_eh_reset(struct scsi_cmnd *SC)
834 {
835 int ret;
836 int i;
837 ips_ha_t *ha;
838 ips_scb_t *scb;
839 ips_copp_wait_item_t *item;
840
841 METHOD_TRACE("ips_eh_reset", 1);
842
843 #ifdef NO_IPS_RESET
844 return (FAILED);
845 #else
846
847 if (!SC) {
848 DEBUG(1, "Reset called with NULL scsi command");
849
850 return (FAILED);
851 }
852
853 ha = (ips_ha_t *) SC->device->host->hostdata;
854
855 if (!ha) {
856 DEBUG(1, "Reset called with NULL ha struct");
857
858 return (FAILED);
859 }
860
861 if (!ha->active)
862 return (FAILED);
863
864 /* See if the command is on the copp queue */
865 item = ha->copp_waitlist.head;
866 while ((item) && (item->scsi_cmd != SC))
867 item = item->next;
868
869 if (item) {
870 /* Found it */
871 ips_removeq_copp(&ha->copp_waitlist, item);
872 return (SUCCESS);
873 }
874
875 /* See if the command is on the wait queue */
876 if (ips_removeq_wait(&ha->scb_waitlist, SC)) {
877 /* command not sent yet */
878 return (SUCCESS);
879 }
880
881 /* An explanation for the casual observer: */
882 /* Part of the function of a RAID controller is automatic error */
883 /* detection and recovery. As such, the only problem that physically */
884 /* resetting an adapter will ever fix is when, for some reason, */
885 /* the driver is not successfully communicating with the adapter. */
886 /* Therefore, we will attempt to flush this adapter. If that succeeds, */
887 /* then there's no real purpose in a physical reset. This will complete */
888 /* much faster and avoids any problems that might be caused by a */
889 /* physical reset ( such as having to fail all the outstanding I/O's ). */
890
891 if (ha->ioctl_reset == 0) { /* IF Not an IOCTL Requested Reset */
892 scb = &ha->scbs[ha->max_cmds - 1];
893
894 ips_init_scb(ha, scb);
895
896 scb->timeout = ips_cmd_timeout;
897 scb->cdb[0] = IPS_CMD_FLUSH;
898
899 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
900 scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb);
901 scb->cmd.flush_cache.state = IPS_NORM_STATE;
902 scb->cmd.flush_cache.reserved = 0;
903 scb->cmd.flush_cache.reserved2 = 0;
904 scb->cmd.flush_cache.reserved3 = 0;
905 scb->cmd.flush_cache.reserved4 = 0;
906
907 /* Attempt the flush command */
908 ret = ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_IORL);
909 if (ret == IPS_SUCCESS) {
910 IPS_PRINTK(KERN_NOTICE, ha->pcidev,
911 "Reset Request - Flushed Cache\n");
912 return (SUCCESS);
913 }
914 }
915
916 /* Either we can't communicate with the adapter or it's an IOCTL request */
917 /* from a utility. A physical reset is needed at this point. */
918
919 ha->ioctl_reset = 0; /* Reset the IOCTL Requested Reset Flag */
920
921 /*
922 * command must have already been sent
923 * reset the controller
924 */
925 IPS_PRINTK(KERN_NOTICE, ha->pcidev, "Resetting controller.\n");
926 ret = (*ha->func.reset) (ha);
927
928 if (!ret) {
929 struct scsi_cmnd *scsi_cmd;
930
931 IPS_PRINTK(KERN_NOTICE, ha->pcidev,
932 "Controller reset failed - controller now offline.\n");
933
934 /* Now fail all of the active commands */
935 DEBUG_VAR(1, "(%s%d) Failing active commands",
936 ips_name, ha->host_num);
937
938 while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) {
939 scb->scsi_cmd->result = DID_ERROR << 16;
940 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
941 ips_freescb(ha, scb);
942 }
943
944 /* Now fail all of the pending commands */
945 DEBUG_VAR(1, "(%s%d) Failing pending commands",
946 ips_name, ha->host_num);
947
948 while ((scsi_cmd = ips_removeq_wait_head(&ha->scb_waitlist))) {
949 scsi_cmd->result = DID_ERROR;
950 scsi_cmd->scsi_done(scsi_cmd);
951 }
952
953 ha->active = FALSE;
954 return (FAILED);
955 }
956
957 if (!ips_clear_adapter(ha, IPS_INTR_IORL)) {
958 struct scsi_cmnd *scsi_cmd;
959
960 IPS_PRINTK(KERN_NOTICE, ha->pcidev,
961 "Controller reset failed - controller now offline.\n");
962
963 /* Now fail all of the active commands */
964 DEBUG_VAR(1, "(%s%d) Failing active commands",
965 ips_name, ha->host_num);
966
967 while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) {
968 scb->scsi_cmd->result = DID_ERROR << 16;
969 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
970 ips_freescb(ha, scb);
971 }
972
973 /* Now fail all of the pending commands */
974 DEBUG_VAR(1, "(%s%d) Failing pending commands",
975 ips_name, ha->host_num);
976
977 while ((scsi_cmd = ips_removeq_wait_head(&ha->scb_waitlist))) {
978 scsi_cmd->result = DID_ERROR << 16;
979 scsi_cmd->scsi_done(scsi_cmd);
980 }
981
982 ha->active = FALSE;
983 return (FAILED);
984 }
985
986 /* FFDC */
987 if (le32_to_cpu(ha->subsys->param[3]) & 0x300000) {
988 ha->last_ffdc = ktime_get_real_seconds();
989 ha->reset_count++;
990 ips_ffdc_reset(ha, IPS_INTR_IORL);
991 }
992
993 /* Now fail all of the active commands */
994 DEBUG_VAR(1, "(%s%d) Failing active commands", ips_name, ha->host_num);
995
996 while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) {
997 scb->scsi_cmd->result = DID_RESET << 16;
998 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
999 ips_freescb(ha, scb);
1000 }
1001
1002 /* Reset DCDB active command bits */
1003 for (i = 1; i < ha->nbus; i++)
1004 ha->dcdb_active[i - 1] = 0;
1005
1006 /* Reset the number of active IOCTLs */
1007 ha->num_ioctl = 0;
1008
1009 ips_next(ha, IPS_INTR_IORL);
1010
1011 return (SUCCESS);
1012 #endif /* NO_IPS_RESET */
1013
1014 }
1015
1016 static int ips_eh_reset(struct scsi_cmnd *SC)
1017 {
1018 int rc;
1019
1020 spin_lock_irq(SC->device->host->host_lock);
1021 rc = __ips_eh_reset(SC);
1022 spin_unlock_irq(SC->device->host->host_lock);
1023
1024 return rc;
1025 }
1026
1027 /****************************************************************************/
1028 /* */
1029 /* Routine Name: ips_queue */
1030 /* */
1031 /* Routine Description: */
1032 /* */
1033 /* Send a command to the controller */
1034 /* */
1035 /* NOTE: */
1036 /* Linux obtains io_request_lock before calling this function */
1037 /* */
1038 /****************************************************************************/
1039 static int ips_queue_lck(struct scsi_cmnd *SC, void (*done) (struct scsi_cmnd *))
1040 {
1041 ips_ha_t *ha;
1042 ips_passthru_t *pt;
1043
1044 METHOD_TRACE("ips_queue", 1);
1045
1046 ha = (ips_ha_t *) SC->device->host->hostdata;
1047
1048 if (!ha)
1049 return (1);
1050
1051 if (!ha->active)
1052 return (DID_ERROR);
1053
1054 if (ips_is_passthru(SC)) {
1055 if (ha->copp_waitlist.count == IPS_MAX_IOCTL_QUEUE) {
1056 SC->result = DID_BUS_BUSY << 16;
1057 done(SC);
1058
1059 return (0);
1060 }
1061 } else if (ha->scb_waitlist.count == IPS_MAX_QUEUE) {
1062 SC->result = DID_BUS_BUSY << 16;
1063 done(SC);
1064
1065 return (0);
1066 }
1067
1068 SC->scsi_done = done;
1069
1070 DEBUG_VAR(2, "(%s%d): ips_queue: cmd 0x%X (%d %d %d)",
1071 ips_name,
1072 ha->host_num,
1073 SC->cmnd[0],
1074 SC->device->channel, SC->device->id, SC->device->lun);
1075
1076 /* Check for command to initiator IDs */
1077 if ((scmd_channel(SC) > 0)
1078 && (scmd_id(SC) == ha->ha_id[scmd_channel(SC)])) {
1079 SC->result = DID_NO_CONNECT << 16;
1080 done(SC);
1081
1082 return (0);
1083 }
1084
1085 if (ips_is_passthru(SC)) {
1086
1087 ips_copp_wait_item_t *scratch;
1088
1089 /* A Reset IOCTL is only sent by the boot CD in extreme cases. */
1090 /* There can never be any system activity ( network or disk ), but check */
1091 /* anyway just as a good practice. */
1092 pt = (ips_passthru_t *) scsi_sglist(SC);
1093 if ((pt->CoppCP.cmd.reset.op_code == IPS_CMD_RESET_CHANNEL) &&
1094 (pt->CoppCP.cmd.reset.adapter_flag == 1)) {
1095 if (ha->scb_activelist.count != 0) {
1096 SC->result = DID_BUS_BUSY << 16;
1097 done(SC);
1098 return (0);
1099 }
1100 ha->ioctl_reset = 1; /* This reset request is from an IOCTL */
1101 __ips_eh_reset(SC);
1102 SC->result = DID_OK << 16;
1103 SC->scsi_done(SC);
1104 return (0);
1105 }
1106
1107 /* allocate space for the scribble */
1108 scratch = kmalloc(sizeof (ips_copp_wait_item_t), GFP_ATOMIC);
1109
1110 if (!scratch) {
1111 SC->result = DID_ERROR << 16;
1112 done(SC);
1113
1114 return (0);
1115 }
1116
1117 scratch->scsi_cmd = SC;
1118 scratch->next = NULL;
1119
1120 ips_putq_copp_tail(&ha->copp_waitlist, scratch);
1121 } else {
1122 ips_putq_wait_tail(&ha->scb_waitlist, SC);
1123 }
1124
1125 ips_next(ha, IPS_INTR_IORL);
1126
1127 return (0);
1128 }
1129
1130 static DEF_SCSI_QCMD(ips_queue)
1131
1132 /****************************************************************************/
1133 /* */
1134 /* Routine Name: ips_biosparam */
1135 /* */
1136 /* Routine Description: */
1137 /* */
1138 /* Set bios geometry for the controller */
1139 /* */
1140 /****************************************************************************/
1141 static int ips_biosparam(struct scsi_device *sdev, struct block_device *bdev,
1142 sector_t capacity, int geom[])
1143 {
1144 ips_ha_t *ha = (ips_ha_t *) sdev->host->hostdata;
1145 int heads;
1146 int sectors;
1147 int cylinders;
1148
1149 METHOD_TRACE("ips_biosparam", 1);
1150
1151 if (!ha)
1152 /* ?!?! host adater info invalid */
1153 return (0);
1154
1155 if (!ha->active)
1156 return (0);
1157
1158 if (!ips_read_adapter_status(ha, IPS_INTR_ON))
1159 /* ?!?! Enquiry command failed */
1160 return (0);
1161
1162 if ((capacity > 0x400000) && ((ha->enq->ucMiscFlag & 0x8) == 0)) {
1163 heads = IPS_NORM_HEADS;
1164 sectors = IPS_NORM_SECTORS;
1165 } else {
1166 heads = IPS_COMP_HEADS;
1167 sectors = IPS_COMP_SECTORS;
1168 }
1169
1170 cylinders = (unsigned long) capacity / (heads * sectors);
1171
1172 DEBUG_VAR(2, "Geometry: heads: %d, sectors: %d, cylinders: %d",
1173 heads, sectors, cylinders);
1174
1175 geom[0] = heads;
1176 geom[1] = sectors;
1177 geom[2] = cylinders;
1178
1179 return (0);
1180 }
1181
1182 /****************************************************************************/
1183 /* */
1184 /* Routine Name: ips_slave_configure */
1185 /* */
1186 /* Routine Description: */
1187 /* */
1188 /* Set queue depths on devices once scan is complete */
1189 /* */
1190 /****************************************************************************/
1191 static int
1192 ips_slave_configure(struct scsi_device * SDptr)
1193 {
1194 ips_ha_t *ha;
1195 int min;
1196
1197 ha = IPS_HA(SDptr->host);
1198 if (SDptr->tagged_supported && SDptr->type == TYPE_DISK) {
1199 min = ha->max_cmds / 2;
1200 if (ha->enq->ucLogDriveCount <= 2)
1201 min = ha->max_cmds - 1;
1202 scsi_change_queue_depth(SDptr, min);
1203 }
1204
1205 SDptr->skip_ms_page_8 = 1;
1206 SDptr->skip_ms_page_3f = 1;
1207 return 0;
1208 }
1209
1210 /****************************************************************************/
1211 /* */
1212 /* Routine Name: do_ipsintr */
1213 /* */
1214 /* Routine Description: */
1215 /* */
1216 /* Wrapper for the interrupt handler */
1217 /* */
1218 /****************************************************************************/
1219 static irqreturn_t
1220 do_ipsintr(int irq, void *dev_id)
1221 {
1222 ips_ha_t *ha;
1223 struct Scsi_Host *host;
1224 int irqstatus;
1225
1226 METHOD_TRACE("do_ipsintr", 2);
1227
1228 ha = (ips_ha_t *) dev_id;
1229 if (!ha)
1230 return IRQ_NONE;
1231 host = ips_sh[ha->host_num];
1232 /* interrupt during initialization */
1233 if (!host) {
1234 (*ha->func.intr) (ha);
1235 return IRQ_HANDLED;
1236 }
1237
1238 spin_lock(host->host_lock);
1239
1240 if (!ha->active) {
1241 spin_unlock(host->host_lock);
1242 return IRQ_HANDLED;
1243 }
1244
1245 irqstatus = (*ha->func.intr) (ha);
1246
1247 spin_unlock(host->host_lock);
1248
1249 /* start the next command */
1250 ips_next(ha, IPS_INTR_ON);
1251 return IRQ_RETVAL(irqstatus);
1252 }
1253
1254 /****************************************************************************/
1255 /* */
1256 /* Routine Name: ips_intr_copperhead */
1257 /* */
1258 /* Routine Description: */
1259 /* */
1260 /* Polling interrupt handler */
1261 /* */
1262 /* ASSUMES interrupts are disabled */
1263 /* */
1264 /****************************************************************************/
1265 int
1266 ips_intr_copperhead(ips_ha_t * ha)
1267 {
1268 ips_stat_t *sp;
1269 ips_scb_t *scb;
1270 IPS_STATUS cstatus;
1271 int intrstatus;
1272
1273 METHOD_TRACE("ips_intr", 2);
1274
1275 if (!ha)
1276 return 0;
1277
1278 if (!ha->active)
1279 return 0;
1280
1281 intrstatus = (*ha->func.isintr) (ha);
1282
1283 if (!intrstatus) {
1284 /*
1285 * Unexpected/Shared interrupt
1286 */
1287
1288 return 0;
1289 }
1290
1291 while (TRUE) {
1292 sp = &ha->sp;
1293
1294 intrstatus = (*ha->func.isintr) (ha);
1295
1296 if (!intrstatus)
1297 break;
1298 else
1299 cstatus.value = (*ha->func.statupd) (ha);
1300
1301 if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) {
1302 /* Spurious Interrupt ? */
1303 continue;
1304 }
1305
1306 ips_chkstatus(ha, &cstatus);
1307 scb = (ips_scb_t *) sp->scb_addr;
1308
1309 /*
1310 * use the callback function to finish things up
1311 * NOTE: interrupts are OFF for this
1312 */
1313 (*scb->callback) (ha, scb);
1314 } /* end while */
1315 return 1;
1316 }
1317
1318 /****************************************************************************/
1319 /* */
1320 /* Routine Name: ips_intr_morpheus */
1321 /* */
1322 /* Routine Description: */
1323 /* */
1324 /* Polling interrupt handler */
1325 /* */
1326 /* ASSUMES interrupts are disabled */
1327 /* */
1328 /****************************************************************************/
1329 int
1330 ips_intr_morpheus(ips_ha_t * ha)
1331 {
1332 ips_stat_t *sp;
1333 ips_scb_t *scb;
1334 IPS_STATUS cstatus;
1335 int intrstatus;
1336
1337 METHOD_TRACE("ips_intr_morpheus", 2);
1338
1339 if (!ha)
1340 return 0;
1341
1342 if (!ha->active)
1343 return 0;
1344
1345 intrstatus = (*ha->func.isintr) (ha);
1346
1347 if (!intrstatus) {
1348 /*
1349 * Unexpected/Shared interrupt
1350 */
1351
1352 return 0;
1353 }
1354
1355 while (TRUE) {
1356 sp = &ha->sp;
1357
1358 intrstatus = (*ha->func.isintr) (ha);
1359
1360 if (!intrstatus)
1361 break;
1362 else
1363 cstatus.value = (*ha->func.statupd) (ha);
1364
1365 if (cstatus.value == 0xffffffff)
1366 /* No more to process */
1367 break;
1368
1369 if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) {
1370 IPS_PRINTK(KERN_WARNING, ha->pcidev,
1371 "Spurious interrupt; no ccb.\n");
1372
1373 continue;
1374 }
1375
1376 ips_chkstatus(ha, &cstatus);
1377 scb = (ips_scb_t *) sp->scb_addr;
1378
1379 /*
1380 * use the callback function to finish things up
1381 * NOTE: interrupts are OFF for this
1382 */
1383 (*scb->callback) (ha, scb);
1384 } /* end while */
1385 return 1;
1386 }
1387
1388 /****************************************************************************/
1389 /* */
1390 /* Routine Name: ips_info */
1391 /* */
1392 /* Routine Description: */
1393 /* */
1394 /* Return info about the driver */
1395 /* */
1396 /****************************************************************************/
1397 static const char *
1398 ips_info(struct Scsi_Host *SH)
1399 {
1400 static char buffer[256];
1401 char *bp;
1402 ips_ha_t *ha;
1403
1404 METHOD_TRACE("ips_info", 1);
1405
1406 ha = IPS_HA(SH);
1407
1408 if (!ha)
1409 return (NULL);
1410
1411 bp = &buffer[0];
1412 memset(bp, 0, sizeof (buffer));
1413
1414 sprintf(bp, "%s%s%s Build %d", "IBM PCI ServeRAID ",
1415 IPS_VERSION_HIGH, IPS_VERSION_LOW, IPS_BUILD_IDENT);
1416
1417 if (ha->ad_type > 0 && ha->ad_type <= MAX_ADAPTER_NAME) {
1418 strcat(bp, " <");
1419 strcat(bp, ips_adapter_name[ha->ad_type - 1]);
1420 strcat(bp, ">");
1421 }
1422
1423 return (bp);
1424 }
1425
1426 static int
1427 ips_write_info(struct Scsi_Host *host, char *buffer, int length)
1428 {
1429 int i;
1430 ips_ha_t *ha = NULL;
1431
1432 /* Find our host structure */
1433 for (i = 0; i < ips_next_controller; i++) {
1434 if (ips_sh[i]) {
1435 if (ips_sh[i] == host) {
1436 ha = (ips_ha_t *) ips_sh[i]->hostdata;
1437 break;
1438 }
1439 }
1440 }
1441
1442 if (!ha)
1443 return (-EINVAL);
1444
1445 return 0;
1446 }
1447
1448 static int
1449 ips_show_info(struct seq_file *m, struct Scsi_Host *host)
1450 {
1451 int i;
1452 ips_ha_t *ha = NULL;
1453
1454 /* Find our host structure */
1455 for (i = 0; i < ips_next_controller; i++) {
1456 if (ips_sh[i]) {
1457 if (ips_sh[i] == host) {
1458 ha = (ips_ha_t *) ips_sh[i]->hostdata;
1459 break;
1460 }
1461 }
1462 }
1463
1464 if (!ha)
1465 return (-EINVAL);
1466
1467 return ips_host_info(ha, m);
1468 }
1469
1470 /*--------------------------------------------------------------------------*/
1471 /* Helper Functions */
1472 /*--------------------------------------------------------------------------*/
1473
1474 /****************************************************************************/
1475 /* */
1476 /* Routine Name: ips_is_passthru */
1477 /* */
1478 /* Routine Description: */
1479 /* */
1480 /* Determine if the specified SCSI command is really a passthru command */
1481 /* */
1482 /****************************************************************************/
1483 static int ips_is_passthru(struct scsi_cmnd *SC)
1484 {
1485 unsigned long flags;
1486
1487 METHOD_TRACE("ips_is_passthru", 1);
1488
1489 if (!SC)
1490 return (0);
1491
1492 if ((SC->cmnd[0] == IPS_IOCTL_COMMAND) &&
1493 (SC->device->channel == 0) &&
1494 (SC->device->id == IPS_ADAPTER_ID) &&
1495 (SC->device->lun == 0) && scsi_sglist(SC)) {
1496 struct scatterlist *sg = scsi_sglist(SC);
1497 char *buffer;
1498
1499 /* kmap_atomic() ensures addressability of the user buffer.*/
1500 /* local_irq_save() protects the KM_IRQ0 address slot. */
1501 local_irq_save(flags);
1502 buffer = kmap_atomic(sg_page(sg)) + sg->offset;
1503 if (buffer && buffer[0] == 'C' && buffer[1] == 'O' &&
1504 buffer[2] == 'P' && buffer[3] == 'P') {
1505 kunmap_atomic(buffer - sg->offset);
1506 local_irq_restore(flags);
1507 return 1;
1508 }
1509 kunmap_atomic(buffer - sg->offset);
1510 local_irq_restore(flags);
1511 }
1512 return 0;
1513 }
1514
1515 /****************************************************************************/
1516 /* */
1517 /* Routine Name: ips_alloc_passthru_buffer */
1518 /* */
1519 /* Routine Description: */
1520 /* allocate a buffer large enough for the ioctl data if the ioctl buffer */
1521 /* is too small or doesn't exist */
1522 /****************************************************************************/
1523 static int
1524 ips_alloc_passthru_buffer(ips_ha_t * ha, int length)
1525 {
1526 void *bigger_buf;
1527 dma_addr_t dma_busaddr;
1528
1529 if (ha->ioctl_data && length <= ha->ioctl_len)
1530 return 0;
1531 /* there is no buffer or it's not big enough, allocate a new one */
1532 bigger_buf = pci_alloc_consistent(ha->pcidev, length, &dma_busaddr);
1533 if (bigger_buf) {
1534 /* free the old memory */
1535 pci_free_consistent(ha->pcidev, ha->ioctl_len, ha->ioctl_data,
1536 ha->ioctl_busaddr);
1537 /* use the new memory */
1538 ha->ioctl_data = (char *) bigger_buf;
1539 ha->ioctl_len = length;
1540 ha->ioctl_busaddr = dma_busaddr;
1541 } else {
1542 return -1;
1543 }
1544 return 0;
1545 }
1546
1547 /****************************************************************************/
1548 /* */
1549 /* Routine Name: ips_make_passthru */
1550 /* */
1551 /* Routine Description: */
1552 /* */
1553 /* Make a passthru command out of the info in the Scsi block */
1554 /* */
1555 /****************************************************************************/
1556 static int
1557 ips_make_passthru(ips_ha_t *ha, struct scsi_cmnd *SC, ips_scb_t *scb, int intr)
1558 {
1559 ips_passthru_t *pt;
1560 int length = 0;
1561 int i, ret;
1562 struct scatterlist *sg = scsi_sglist(SC);
1563
1564 METHOD_TRACE("ips_make_passthru", 1);
1565
1566 scsi_for_each_sg(SC, sg, scsi_sg_count(SC), i)
1567 length += sg->length;
1568
1569 if (length < sizeof (ips_passthru_t)) {
1570 /* wrong size */
1571 DEBUG_VAR(1, "(%s%d) Passthru structure wrong size",
1572 ips_name, ha->host_num);
1573 return (IPS_FAILURE);
1574 }
1575 if (ips_alloc_passthru_buffer(ha, length)) {
1576 /* allocation failure! If ha->ioctl_data exists, use it to return
1577 some error codes. Return a failed command to the scsi layer. */
1578 if (ha->ioctl_data) {
1579 pt = (ips_passthru_t *) ha->ioctl_data;
1580 ips_scmd_buf_read(SC, pt, sizeof (ips_passthru_t));
1581 pt->BasicStatus = 0x0B;
1582 pt->ExtendedStatus = 0x00;
1583 ips_scmd_buf_write(SC, pt, sizeof (ips_passthru_t));
1584 }
1585 return IPS_FAILURE;
1586 }
1587 ha->ioctl_datasize = length;
1588
1589 ips_scmd_buf_read(SC, ha->ioctl_data, ha->ioctl_datasize);
1590 pt = (ips_passthru_t *) ha->ioctl_data;
1591
1592 /*
1593 * Some notes about the passthru interface used
1594 *
1595 * IF the scsi op_code == 0x0d then we assume
1596 * that the data came along with/goes with the
1597 * packet we received from the sg driver. In this
1598 * case the CmdBSize field of the pt structure is
1599 * used for the size of the buffer.
1600 */
1601
1602 switch (pt->CoppCmd) {
1603 case IPS_NUMCTRLS:
1604 memcpy(ha->ioctl_data + sizeof (ips_passthru_t),
1605 &ips_num_controllers, sizeof (int));
1606 ips_scmd_buf_write(SC, ha->ioctl_data,
1607 sizeof (ips_passthru_t) + sizeof (int));
1608 SC->result = DID_OK << 16;
1609
1610 return (IPS_SUCCESS_IMM);
1611
1612 case IPS_COPPUSRCMD:
1613 case IPS_COPPIOCCMD:
1614 if (SC->cmnd[0] == IPS_IOCTL_COMMAND) {
1615 if (length < (sizeof (ips_passthru_t) + pt->CmdBSize)) {
1616 /* wrong size */
1617 DEBUG_VAR(1,
1618 "(%s%d) Passthru structure wrong size",
1619 ips_name, ha->host_num);
1620
1621 return (IPS_FAILURE);
1622 }
1623
1624 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD &&
1625 pt->CoppCP.cmd.flashfw.op_code ==
1626 IPS_CMD_RW_BIOSFW) {
1627 ret = ips_flash_copperhead(ha, pt, scb);
1628 ips_scmd_buf_write(SC, ha->ioctl_data,
1629 sizeof (ips_passthru_t));
1630 return ret;
1631 }
1632 if (ips_usrcmd(ha, pt, scb))
1633 return (IPS_SUCCESS);
1634 else
1635 return (IPS_FAILURE);
1636 }
1637
1638 break;
1639
1640 } /* end switch */
1641
1642 return (IPS_FAILURE);
1643 }
1644
1645 /****************************************************************************/
1646 /* Routine Name: ips_flash_copperhead */
1647 /* Routine Description: */
1648 /* Flash the BIOS/FW on a Copperhead style controller */
1649 /****************************************************************************/
1650 static int
1651 ips_flash_copperhead(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1652 {
1653 int datasize;
1654
1655 /* Trombone is the only copperhead that can do packet flash, but only
1656 * for firmware. No one said it had to make sense. */
1657 if (IPS_IS_TROMBONE(ha) && pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE) {
1658 if (ips_usrcmd(ha, pt, scb))
1659 return IPS_SUCCESS;
1660 else
1661 return IPS_FAILURE;
1662 }
1663 pt->BasicStatus = 0x0B;
1664 pt->ExtendedStatus = 0;
1665 scb->scsi_cmd->result = DID_OK << 16;
1666 /* IF it's OK to Use the "CD BOOT" Flash Buffer, then you can */
1667 /* avoid allocating a huge buffer per adapter ( which can fail ). */
1668 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1669 pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS) {
1670 pt->BasicStatus = 0;
1671 return ips_flash_bios(ha, pt, scb);
1672 } else if (pt->CoppCP.cmd.flashfw.packet_num == 0) {
1673 if (ips_FlashData && !test_and_set_bit(0, &ips_FlashDataInUse)){
1674 ha->flash_data = ips_FlashData;
1675 ha->flash_busaddr = ips_flashbusaddr;
1676 ha->flash_len = PAGE_SIZE << 7;
1677 ha->flash_datasize = 0;
1678 } else if (!ha->flash_data) {
1679 datasize = pt->CoppCP.cmd.flashfw.total_packets *
1680 pt->CoppCP.cmd.flashfw.count;
1681 ha->flash_data = pci_alloc_consistent(ha->pcidev,
1682 datasize,
1683 &ha->flash_busaddr);
1684 if (!ha->flash_data){
1685 printk(KERN_WARNING "Unable to allocate a flash buffer\n");
1686 return IPS_FAILURE;
1687 }
1688 ha->flash_datasize = 0;
1689 ha->flash_len = datasize;
1690 } else
1691 return IPS_FAILURE;
1692 } else {
1693 if (pt->CoppCP.cmd.flashfw.count + ha->flash_datasize >
1694 ha->flash_len) {
1695 ips_free_flash_copperhead(ha);
1696 IPS_PRINTK(KERN_WARNING, ha->pcidev,
1697 "failed size sanity check\n");
1698 return IPS_FAILURE;
1699 }
1700 }
1701 if (!ha->flash_data)
1702 return IPS_FAILURE;
1703 pt->BasicStatus = 0;
1704 memcpy(&ha->flash_data[ha->flash_datasize], pt + 1,
1705 pt->CoppCP.cmd.flashfw.count);
1706 ha->flash_datasize += pt->CoppCP.cmd.flashfw.count;
1707 if (pt->CoppCP.cmd.flashfw.packet_num ==
1708 pt->CoppCP.cmd.flashfw.total_packets - 1) {
1709 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE)
1710 return ips_flash_bios(ha, pt, scb);
1711 else if (pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE)
1712 return ips_flash_firmware(ha, pt, scb);
1713 }
1714 return IPS_SUCCESS_IMM;
1715 }
1716
1717 /****************************************************************************/
1718 /* Routine Name: ips_flash_bios */
1719 /* Routine Description: */
1720 /* flashes the bios of a copperhead adapter */
1721 /****************************************************************************/
1722 static int
1723 ips_flash_bios(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1724 {
1725
1726 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1727 pt->CoppCP.cmd.flashfw.direction == IPS_WRITE_BIOS) {
1728 if ((!ha->func.programbios) || (!ha->func.erasebios) ||
1729 (!ha->func.verifybios))
1730 goto error;
1731 if ((*ha->func.erasebios) (ha)) {
1732 DEBUG_VAR(1,
1733 "(%s%d) flash bios failed - unable to erase flash",
1734 ips_name, ha->host_num);
1735 goto error;
1736 } else
1737 if ((*ha->func.programbios) (ha,
1738 ha->flash_data +
1739 IPS_BIOS_HEADER,
1740 ha->flash_datasize -
1741 IPS_BIOS_HEADER, 0)) {
1742 DEBUG_VAR(1,
1743 "(%s%d) flash bios failed - unable to flash",
1744 ips_name, ha->host_num);
1745 goto error;
1746 } else
1747 if ((*ha->func.verifybios) (ha,
1748 ha->flash_data +
1749 IPS_BIOS_HEADER,
1750 ha->flash_datasize -
1751 IPS_BIOS_HEADER, 0)) {
1752 DEBUG_VAR(1,
1753 "(%s%d) flash bios failed - unable to verify flash",
1754 ips_name, ha->host_num);
1755 goto error;
1756 }
1757 ips_free_flash_copperhead(ha);
1758 return IPS_SUCCESS_IMM;
1759 } else if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1760 pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS) {
1761 if (!ha->func.erasebios)
1762 goto error;
1763 if ((*ha->func.erasebios) (ha)) {
1764 DEBUG_VAR(1,
1765 "(%s%d) flash bios failed - unable to erase flash",
1766 ips_name, ha->host_num);
1767 goto error;
1768 }
1769 return IPS_SUCCESS_IMM;
1770 }
1771 error:
1772 pt->BasicStatus = 0x0B;
1773 pt->ExtendedStatus = 0x00;
1774 ips_free_flash_copperhead(ha);
1775 return IPS_FAILURE;
1776 }
1777
1778 /****************************************************************************/
1779 /* */
1780 /* Routine Name: ips_fill_scb_sg_single */
1781 /* */
1782 /* Routine Description: */
1783 /* Fill in a single scb sg_list element from an address */
1784 /* return a -1 if a breakup occurred */
1785 /****************************************************************************/
1786 static int
1787 ips_fill_scb_sg_single(ips_ha_t * ha, dma_addr_t busaddr,
1788 ips_scb_t * scb, int indx, unsigned int e_len)
1789 {
1790
1791 int ret_val = 0;
1792
1793 if ((scb->data_len + e_len) > ha->max_xfer) {
1794 e_len = ha->max_xfer - scb->data_len;
1795 scb->breakup = indx;
1796 ++scb->sg_break;
1797 ret_val = -1;
1798 } else {
1799 scb->breakup = 0;
1800 scb->sg_break = 0;
1801 }
1802 if (IPS_USE_ENH_SGLIST(ha)) {
1803 scb->sg_list.enh_list[indx].address_lo =
1804 cpu_to_le32(pci_dma_lo32(busaddr));
1805 scb->sg_list.enh_list[indx].address_hi =
1806 cpu_to_le32(pci_dma_hi32(busaddr));
1807 scb->sg_list.enh_list[indx].length = cpu_to_le32(e_len);
1808 } else {
1809 scb->sg_list.std_list[indx].address =
1810 cpu_to_le32(pci_dma_lo32(busaddr));
1811 scb->sg_list.std_list[indx].length = cpu_to_le32(e_len);
1812 }
1813
1814 ++scb->sg_len;
1815 scb->data_len += e_len;
1816 return ret_val;
1817 }
1818
1819 /****************************************************************************/
1820 /* Routine Name: ips_flash_firmware */
1821 /* Routine Description: */
1822 /* flashes the firmware of a copperhead adapter */
1823 /****************************************************************************/
1824 static int
1825 ips_flash_firmware(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1826 {
1827 IPS_SG_LIST sg_list;
1828 uint32_t cmd_busaddr;
1829
1830 if (pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE &&
1831 pt->CoppCP.cmd.flashfw.direction == IPS_WRITE_FW) {
1832 memset(&pt->CoppCP.cmd, 0, sizeof (IPS_HOST_COMMAND));
1833 pt->CoppCP.cmd.flashfw.op_code = IPS_CMD_DOWNLOAD;
1834 pt->CoppCP.cmd.flashfw.count = cpu_to_le32(ha->flash_datasize);
1835 } else {
1836 pt->BasicStatus = 0x0B;
1837 pt->ExtendedStatus = 0x00;
1838 ips_free_flash_copperhead(ha);
1839 return IPS_FAILURE;
1840 }
1841 /* Save the S/G list pointer so it doesn't get clobbered */
1842 sg_list.list = scb->sg_list.list;
1843 cmd_busaddr = scb->scb_busaddr;
1844 /* copy in the CP */
1845 memcpy(&scb->cmd, &pt->CoppCP.cmd, sizeof (IPS_IOCTL_CMD));
1846 /* FIX stuff that might be wrong */
1847 scb->sg_list.list = sg_list.list;
1848 scb->scb_busaddr = cmd_busaddr;
1849 scb->bus = scb->scsi_cmd->device->channel;
1850 scb->target_id = scb->scsi_cmd->device->id;
1851 scb->lun = scb->scsi_cmd->device->lun;
1852 scb->sg_len = 0;
1853 scb->data_len = 0;
1854 scb->flags = 0;
1855 scb->op_code = 0;
1856 scb->callback = ipsintr_done;
1857 scb->timeout = ips_cmd_timeout;
1858
1859 scb->data_len = ha->flash_datasize;
1860 scb->data_busaddr =
1861 pci_map_single(ha->pcidev, ha->flash_data, scb->data_len,
1862 IPS_DMA_DIR(scb));
1863 scb->flags |= IPS_SCB_MAP_SINGLE;
1864 scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb);
1865 scb->cmd.flashfw.buffer_addr = cpu_to_le32(scb->data_busaddr);
1866 if (pt->TimeOut)
1867 scb->timeout = pt->TimeOut;
1868 scb->scsi_cmd->result = DID_OK << 16;
1869 return IPS_SUCCESS;
1870 }
1871
1872 /****************************************************************************/
1873 /* Routine Name: ips_free_flash_copperhead */
1874 /* Routine Description: */
1875 /* release the memory resources used to hold the flash image */
1876 /****************************************************************************/
1877 static void
1878 ips_free_flash_copperhead(ips_ha_t * ha)
1879 {
1880 if (ha->flash_data == ips_FlashData)
1881 test_and_clear_bit(0, &ips_FlashDataInUse);
1882 else if (ha->flash_data)
1883 pci_free_consistent(ha->pcidev, ha->flash_len, ha->flash_data,
1884 ha->flash_busaddr);
1885 ha->flash_data = NULL;
1886 }
1887
1888 /****************************************************************************/
1889 /* */
1890 /* Routine Name: ips_usrcmd */
1891 /* */
1892 /* Routine Description: */
1893 /* */
1894 /* Process a user command and make it ready to send */
1895 /* */
1896 /****************************************************************************/
1897 static int
1898 ips_usrcmd(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1899 {
1900 IPS_SG_LIST sg_list;
1901 uint32_t cmd_busaddr;
1902
1903 METHOD_TRACE("ips_usrcmd", 1);
1904
1905 if ((!scb) || (!pt) || (!ha))
1906 return (0);
1907
1908 /* Save the S/G list pointer so it doesn't get clobbered */
1909 sg_list.list = scb->sg_list.list;
1910 cmd_busaddr = scb->scb_busaddr;
1911 /* copy in the CP */
1912 memcpy(&scb->cmd, &pt->CoppCP.cmd, sizeof (IPS_IOCTL_CMD));
1913 memcpy(&scb->dcdb, &pt->CoppCP.dcdb, sizeof (IPS_DCDB_TABLE));
1914
1915 /* FIX stuff that might be wrong */
1916 scb->sg_list.list = sg_list.list;
1917 scb->scb_busaddr = cmd_busaddr;
1918 scb->bus = scb->scsi_cmd->device->channel;
1919 scb->target_id = scb->scsi_cmd->device->id;
1920 scb->lun = scb->scsi_cmd->device->lun;
1921 scb->sg_len = 0;
1922 scb->data_len = 0;
1923 scb->flags = 0;
1924 scb->op_code = 0;
1925 scb->callback = ipsintr_done;
1926 scb->timeout = ips_cmd_timeout;
1927 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
1928
1929 /* we don't support DCDB/READ/WRITE Scatter Gather */
1930 if ((scb->cmd.basic_io.op_code == IPS_CMD_READ_SG) ||
1931 (scb->cmd.basic_io.op_code == IPS_CMD_WRITE_SG) ||
1932 (scb->cmd.basic_io.op_code == IPS_CMD_DCDB_SG))
1933 return (0);
1934
1935 if (pt->CmdBSize) {
1936 scb->data_len = pt->CmdBSize;
1937 scb->data_busaddr = ha->ioctl_busaddr + sizeof (ips_passthru_t);
1938 } else {
1939 scb->data_busaddr = 0L;
1940 }
1941
1942 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB)
1943 scb->cmd.dcdb.dcdb_address = cpu_to_le32(scb->scb_busaddr +
1944 (unsigned long) &scb->
1945 dcdb -
1946 (unsigned long) scb);
1947
1948 if (pt->CmdBSize) {
1949 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB)
1950 scb->dcdb.buffer_pointer =
1951 cpu_to_le32(scb->data_busaddr);
1952 else
1953 scb->cmd.basic_io.sg_addr =
1954 cpu_to_le32(scb->data_busaddr);
1955 }
1956
1957 /* set timeouts */
1958 if (pt->TimeOut) {
1959 scb->timeout = pt->TimeOut;
1960
1961 if (pt->TimeOut <= 10)
1962 scb->dcdb.cmd_attribute |= IPS_TIMEOUT10;
1963 else if (pt->TimeOut <= 60)
1964 scb->dcdb.cmd_attribute |= IPS_TIMEOUT60;
1965 else
1966 scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M;
1967 }
1968
1969 /* assume success */
1970 scb->scsi_cmd->result = DID_OK << 16;
1971
1972 /* success */
1973 return (1);
1974 }
1975
1976 /****************************************************************************/
1977 /* */
1978 /* Routine Name: ips_cleanup_passthru */
1979 /* */
1980 /* Routine Description: */
1981 /* */
1982 /* Cleanup after a passthru command */
1983 /* */
1984 /****************************************************************************/
1985 static void
1986 ips_cleanup_passthru(ips_ha_t * ha, ips_scb_t * scb)
1987 {
1988 ips_passthru_t *pt;
1989
1990 METHOD_TRACE("ips_cleanup_passthru", 1);
1991
1992 if ((!scb) || (!scb->scsi_cmd) || (!scsi_sglist(scb->scsi_cmd))) {
1993 DEBUG_VAR(1, "(%s%d) couldn't cleanup after passthru",
1994 ips_name, ha->host_num);
1995
1996 return;
1997 }
1998 pt = (ips_passthru_t *) ha->ioctl_data;
1999
2000 /* Copy data back to the user */
2001 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB) /* Copy DCDB Back to Caller's Area */
2002 memcpy(&pt->CoppCP.dcdb, &scb->dcdb, sizeof (IPS_DCDB_TABLE));
2003
2004 pt->BasicStatus = scb->basic_status;
2005 pt->ExtendedStatus = scb->extended_status;
2006 pt->AdapterType = ha->ad_type;
2007
2008 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD &&
2009 (scb->cmd.flashfw.op_code == IPS_CMD_DOWNLOAD ||
2010 scb->cmd.flashfw.op_code == IPS_CMD_RW_BIOSFW))
2011 ips_free_flash_copperhead(ha);
2012
2013 ips_scmd_buf_write(scb->scsi_cmd, ha->ioctl_data, ha->ioctl_datasize);
2014 }
2015
2016 /****************************************************************************/
2017 /* */
2018 /* Routine Name: ips_host_info */
2019 /* */
2020 /* Routine Description: */
2021 /* */
2022 /* The passthru interface for the driver */
2023 /* */
2024 /****************************************************************************/
2025 static int
2026 ips_host_info(ips_ha_t *ha, struct seq_file *m)
2027 {
2028 METHOD_TRACE("ips_host_info", 1);
2029
2030 seq_puts(m, "\nIBM ServeRAID General Information:\n\n");
2031
2032 if ((le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) &&
2033 (le16_to_cpu(ha->nvram->adapter_type) != 0))
2034 seq_printf(m, "\tController Type : %s\n",
2035 ips_adapter_name[ha->ad_type - 1]);
2036 else
2037 seq_puts(m, "\tController Type : Unknown\n");
2038
2039 if (ha->io_addr)
2040 seq_printf(m,
2041 "\tIO region : 0x%x (%d bytes)\n",
2042 ha->io_addr, ha->io_len);
2043
2044 if (ha->mem_addr) {
2045 seq_printf(m,
2046 "\tMemory region : 0x%x (%d bytes)\n",
2047 ha->mem_addr, ha->mem_len);
2048 seq_printf(m,
2049 "\tShared memory address : 0x%lx\n",
2050 (unsigned long)ha->mem_ptr);
2051 }
2052
2053 seq_printf(m, "\tIRQ number : %d\n", ha->pcidev->irq);
2054
2055 /* For the Next 3 lines Check for Binary 0 at the end and don't include it if it's there. */
2056 /* That keeps everything happy for "text" operations on the proc file. */
2057
2058 if (le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) {
2059 if (ha->nvram->bios_low[3] == 0) {
2060 seq_printf(m,
2061 "\tBIOS Version : %c%c%c%c%c%c%c\n",
2062 ha->nvram->bios_high[0], ha->nvram->bios_high[1],
2063 ha->nvram->bios_high[2], ha->nvram->bios_high[3],
2064 ha->nvram->bios_low[0], ha->nvram->bios_low[1],
2065 ha->nvram->bios_low[2]);
2066
2067 } else {
2068 seq_printf(m,
2069 "\tBIOS Version : %c%c%c%c%c%c%c%c\n",
2070 ha->nvram->bios_high[0], ha->nvram->bios_high[1],
2071 ha->nvram->bios_high[2], ha->nvram->bios_high[3],
2072 ha->nvram->bios_low[0], ha->nvram->bios_low[1],
2073 ha->nvram->bios_low[2], ha->nvram->bios_low[3]);
2074 }
2075
2076 }
2077
2078 if (ha->enq->CodeBlkVersion[7] == 0) {
2079 seq_printf(m,
2080 "\tFirmware Version : %c%c%c%c%c%c%c\n",
2081 ha->enq->CodeBlkVersion[0], ha->enq->CodeBlkVersion[1],
2082 ha->enq->CodeBlkVersion[2], ha->enq->CodeBlkVersion[3],
2083 ha->enq->CodeBlkVersion[4], ha->enq->CodeBlkVersion[5],
2084 ha->enq->CodeBlkVersion[6]);
2085 } else {
2086 seq_printf(m,
2087 "\tFirmware Version : %c%c%c%c%c%c%c%c\n",
2088 ha->enq->CodeBlkVersion[0], ha->enq->CodeBlkVersion[1],
2089 ha->enq->CodeBlkVersion[2], ha->enq->CodeBlkVersion[3],
2090 ha->enq->CodeBlkVersion[4], ha->enq->CodeBlkVersion[5],
2091 ha->enq->CodeBlkVersion[6], ha->enq->CodeBlkVersion[7]);
2092 }
2093
2094 if (ha->enq->BootBlkVersion[7] == 0) {
2095 seq_printf(m,
2096 "\tBoot Block Version : %c%c%c%c%c%c%c\n",
2097 ha->enq->BootBlkVersion[0], ha->enq->BootBlkVersion[1],
2098 ha->enq->BootBlkVersion[2], ha->enq->BootBlkVersion[3],
2099 ha->enq->BootBlkVersion[4], ha->enq->BootBlkVersion[5],
2100 ha->enq->BootBlkVersion[6]);
2101 } else {
2102 seq_printf(m,
2103 "\tBoot Block Version : %c%c%c%c%c%c%c%c\n",
2104 ha->enq->BootBlkVersion[0], ha->enq->BootBlkVersion[1],
2105 ha->enq->BootBlkVersion[2], ha->enq->BootBlkVersion[3],
2106 ha->enq->BootBlkVersion[4], ha->enq->BootBlkVersion[5],
2107 ha->enq->BootBlkVersion[6], ha->enq->BootBlkVersion[7]);
2108 }
2109
2110 seq_printf(m, "\tDriver Version : %s%s\n",
2111 IPS_VERSION_HIGH, IPS_VERSION_LOW);
2112
2113 seq_printf(m, "\tDriver Build : %d\n",
2114 IPS_BUILD_IDENT);
2115
2116 seq_printf(m, "\tMax Physical Devices : %d\n",
2117 ha->enq->ucMaxPhysicalDevices);
2118 seq_printf(m, "\tMax Active Commands : %d\n",
2119 ha->max_cmds);
2120 seq_printf(m, "\tCurrent Queued Commands : %d\n",
2121 ha->scb_waitlist.count);
2122 seq_printf(m, "\tCurrent Active Commands : %d\n",
2123 ha->scb_activelist.count - ha->num_ioctl);
2124 seq_printf(m, "\tCurrent Queued PT Commands : %d\n",
2125 ha->copp_waitlist.count);
2126 seq_printf(m, "\tCurrent Active PT Commands : %d\n",
2127 ha->num_ioctl);
2128
2129 seq_putc(m, '\n');
2130
2131 return 0;
2132 }
2133
2134 /****************************************************************************/
2135 /* */
2136 /* Routine Name: ips_identify_controller */
2137 /* */
2138 /* Routine Description: */
2139 /* */
2140 /* Identify this controller */
2141 /* */
2142 /****************************************************************************/
2143 static void
2144 ips_identify_controller(ips_ha_t * ha)
2145 {
2146 METHOD_TRACE("ips_identify_controller", 1);
2147
2148 switch (ha->pcidev->device) {
2149 case IPS_DEVICEID_COPPERHEAD:
2150 if (ha->pcidev->revision <= IPS_REVID_SERVERAID) {
2151 ha->ad_type = IPS_ADTYPE_SERVERAID;
2152 } else if (ha->pcidev->revision == IPS_REVID_SERVERAID2) {
2153 ha->ad_type = IPS_ADTYPE_SERVERAID2;
2154 } else if (ha->pcidev->revision == IPS_REVID_NAVAJO) {
2155 ha->ad_type = IPS_ADTYPE_NAVAJO;
2156 } else if ((ha->pcidev->revision == IPS_REVID_SERVERAID2)
2157 && (ha->slot_num == 0)) {
2158 ha->ad_type = IPS_ADTYPE_KIOWA;
2159 } else if ((ha->pcidev->revision >= IPS_REVID_CLARINETP1) &&
2160 (ha->pcidev->revision <= IPS_REVID_CLARINETP3)) {
2161 if (ha->enq->ucMaxPhysicalDevices == 15)
2162 ha->ad_type = IPS_ADTYPE_SERVERAID3L;
2163 else
2164 ha->ad_type = IPS_ADTYPE_SERVERAID3;
2165 } else if ((ha->pcidev->revision >= IPS_REVID_TROMBONE32) &&
2166 (ha->pcidev->revision <= IPS_REVID_TROMBONE64)) {
2167 ha->ad_type = IPS_ADTYPE_SERVERAID4H;
2168 }
2169 break;
2170
2171 case IPS_DEVICEID_MORPHEUS:
2172 switch (ha->pcidev->subsystem_device) {
2173 case IPS_SUBDEVICEID_4L:
2174 ha->ad_type = IPS_ADTYPE_SERVERAID4L;
2175 break;
2176
2177 case IPS_SUBDEVICEID_4M:
2178 ha->ad_type = IPS_ADTYPE_SERVERAID4M;
2179 break;
2180
2181 case IPS_SUBDEVICEID_4MX:
2182 ha->ad_type = IPS_ADTYPE_SERVERAID4MX;
2183 break;
2184
2185 case IPS_SUBDEVICEID_4LX:
2186 ha->ad_type = IPS_ADTYPE_SERVERAID4LX;
2187 break;
2188
2189 case IPS_SUBDEVICEID_5I2:
2190 ha->ad_type = IPS_ADTYPE_SERVERAID5I2;
2191 break;
2192
2193 case IPS_SUBDEVICEID_5I1:
2194 ha->ad_type = IPS_ADTYPE_SERVERAID5I1;
2195 break;
2196 }
2197
2198 break;
2199
2200 case IPS_DEVICEID_MARCO:
2201 switch (ha->pcidev->subsystem_device) {
2202 case IPS_SUBDEVICEID_6M:
2203 ha->ad_type = IPS_ADTYPE_SERVERAID6M;
2204 break;
2205 case IPS_SUBDEVICEID_6I:
2206 ha->ad_type = IPS_ADTYPE_SERVERAID6I;
2207 break;
2208 case IPS_SUBDEVICEID_7k:
2209 ha->ad_type = IPS_ADTYPE_SERVERAID7k;
2210 break;
2211 case IPS_SUBDEVICEID_7M:
2212 ha->ad_type = IPS_ADTYPE_SERVERAID7M;
2213 break;
2214 }
2215 break;
2216 }
2217 }
2218
2219 /****************************************************************************/
2220 /* */
2221 /* Routine Name: ips_get_bios_version */
2222 /* */
2223 /* Routine Description: */
2224 /* */
2225 /* Get the BIOS revision number */
2226 /* */
2227 /****************************************************************************/
2228 static void
2229 ips_get_bios_version(ips_ha_t * ha, int intr)
2230 {
2231 ips_scb_t *scb;
2232 int ret;
2233 uint8_t major;
2234 uint8_t minor;
2235 uint8_t subminor;
2236 uint8_t *buffer;
2237
2238 METHOD_TRACE("ips_get_bios_version", 1);
2239
2240 major = 0;
2241 minor = 0;
2242
2243 strncpy(ha->bios_version, " ?", 8);
2244
2245 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD) {
2246 if (IPS_USE_MEMIO(ha)) {
2247 /* Memory Mapped I/O */
2248
2249 /* test 1st byte */
2250 writel(0, ha->mem_ptr + IPS_REG_FLAP);
2251 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2252 udelay(25); /* 25 us */
2253
2254 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0x55)
2255 return;
2256
2257 writel(1, ha->mem_ptr + IPS_REG_FLAP);
2258 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2259 udelay(25); /* 25 us */
2260
2261 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA)
2262 return;
2263
2264 /* Get Major version */
2265 writel(0x1FF, ha->mem_ptr + IPS_REG_FLAP);
2266 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2267 udelay(25); /* 25 us */
2268
2269 major = readb(ha->mem_ptr + IPS_REG_FLDP);
2270
2271 /* Get Minor version */
2272 writel(0x1FE, ha->mem_ptr + IPS_REG_FLAP);
2273 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2274 udelay(25); /* 25 us */
2275 minor = readb(ha->mem_ptr + IPS_REG_FLDP);
2276
2277 /* Get SubMinor version */
2278 writel(0x1FD, ha->mem_ptr + IPS_REG_FLAP);
2279 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2280 udelay(25); /* 25 us */
2281 subminor = readb(ha->mem_ptr + IPS_REG_FLDP);
2282
2283 } else {
2284 /* Programmed I/O */
2285
2286 /* test 1st byte */
2287 outl(0, ha->io_addr + IPS_REG_FLAP);
2288 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2289 udelay(25); /* 25 us */
2290
2291 if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55)
2292 return;
2293
2294 outl(1, ha->io_addr + IPS_REG_FLAP);
2295 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2296 udelay(25); /* 25 us */
2297
2298 if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA)
2299 return;
2300
2301 /* Get Major version */
2302 outl(0x1FF, ha->io_addr + IPS_REG_FLAP);
2303 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2304 udelay(25); /* 25 us */
2305
2306 major = inb(ha->io_addr + IPS_REG_FLDP);
2307
2308 /* Get Minor version */
2309 outl(0x1FE, ha->io_addr + IPS_REG_FLAP);
2310 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2311 udelay(25); /* 25 us */
2312
2313 minor = inb(ha->io_addr + IPS_REG_FLDP);
2314
2315 /* Get SubMinor version */
2316 outl(0x1FD, ha->io_addr + IPS_REG_FLAP);
2317 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2318 udelay(25); /* 25 us */
2319
2320 subminor = inb(ha->io_addr + IPS_REG_FLDP);
2321
2322 }
2323 } else {
2324 /* Morpheus Family - Send Command to the card */
2325
2326 buffer = ha->ioctl_data;
2327
2328 memset(buffer, 0, 0x1000);
2329
2330 scb = &ha->scbs[ha->max_cmds - 1];
2331
2332 ips_init_scb(ha, scb);
2333
2334 scb->timeout = ips_cmd_timeout;
2335 scb->cdb[0] = IPS_CMD_RW_BIOSFW;
2336
2337 scb->cmd.flashfw.op_code = IPS_CMD_RW_BIOSFW;
2338 scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb);
2339 scb->cmd.flashfw.type = 1;
2340 scb->cmd.flashfw.direction = 0;
2341 scb->cmd.flashfw.count = cpu_to_le32(0x800);
2342 scb->cmd.flashfw.total_packets = 1;
2343 scb->cmd.flashfw.packet_num = 0;
2344 scb->data_len = 0x1000;
2345 scb->cmd.flashfw.buffer_addr = ha->ioctl_busaddr;
2346
2347 /* issue the command */
2348 if (((ret =
2349 ips_send_wait(ha, scb, ips_cmd_timeout,
2350 intr)) == IPS_FAILURE)
2351 || (ret == IPS_SUCCESS_IMM)
2352 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) {
2353 /* Error occurred */
2354
2355 return;
2356 }
2357
2358 if ((buffer[0xC0] == 0x55) && (buffer[0xC1] == 0xAA)) {
2359 major = buffer[0x1ff + 0xC0]; /* Offset 0x1ff after the header (0xc0) */
2360 minor = buffer[0x1fe + 0xC0]; /* Offset 0x1fe after the header (0xc0) */
2361 subminor = buffer[0x1fd + 0xC0]; /* Offset 0x1fd after the header (0xc0) */
2362 } else {
2363 return;
2364 }
2365 }
2366
2367 ha->bios_version[0] = hex_asc_upper_hi(major);
2368 ha->bios_version[1] = '.';
2369 ha->bios_version[2] = hex_asc_upper_lo(major);
2370 ha->bios_version[3] = hex_asc_upper_lo(subminor);
2371 ha->bios_version[4] = '.';
2372 ha->bios_version[5] = hex_asc_upper_hi(minor);
2373 ha->bios_version[6] = hex_asc_upper_lo(minor);
2374 ha->bios_version[7] = 0;
2375 }
2376
2377 /****************************************************************************/
2378 /* */
2379 /* Routine Name: ips_hainit */
2380 /* */
2381 /* Routine Description: */
2382 /* */
2383 /* Initialize the controller */
2384 /* */
2385 /* NOTE: Assumes to be called from with a lock */
2386 /* */
2387 /****************************************************************************/
2388 static int
2389 ips_hainit(ips_ha_t * ha)
2390 {
2391 int i;
2392
2393 METHOD_TRACE("ips_hainit", 1);
2394
2395 if (!ha)
2396 return (0);
2397
2398 if (ha->func.statinit)
2399 (*ha->func.statinit) (ha);
2400
2401 if (ha->func.enableint)
2402 (*ha->func.enableint) (ha);
2403
2404 /* Send FFDC */
2405 ha->reset_count = 1;
2406 ha->last_ffdc = ktime_get_real_seconds();
2407 ips_ffdc_reset(ha, IPS_INTR_IORL);
2408
2409 if (!ips_read_config(ha, IPS_INTR_IORL)) {
2410 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2411 "unable to read config from controller.\n");
2412
2413 return (0);
2414 }
2415 /* end if */
2416 if (!ips_read_adapter_status(ha, IPS_INTR_IORL)) {
2417 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2418 "unable to read controller status.\n");
2419
2420 return (0);
2421 }
2422
2423 /* Identify this controller */
2424 ips_identify_controller(ha);
2425
2426 if (!ips_read_subsystem_parameters(ha, IPS_INTR_IORL)) {
2427 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2428 "unable to read subsystem parameters.\n");
2429
2430 return (0);
2431 }
2432
2433 /* write nvram user page 5 */
2434 if (!ips_write_driver_status(ha, IPS_INTR_IORL)) {
2435 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2436 "unable to write driver info to controller.\n");
2437
2438 return (0);
2439 }
2440
2441 /* If there are Logical Drives and a Reset Occurred, then an EraseStripeLock is Needed */
2442 if ((ha->conf->ucLogDriveCount > 0) && (ha->requires_esl == 1))
2443 ips_clear_adapter(ha, IPS_INTR_IORL);
2444
2445 /* set limits on SID, LUN, BUS */
2446 ha->ntargets = IPS_MAX_TARGETS + 1;
2447 ha->nlun = 1;
2448 ha->nbus = (ha->enq->ucMaxPhysicalDevices / IPS_MAX_TARGETS) + 1;
2449
2450 switch (ha->conf->logical_drive[0].ucStripeSize) {
2451 case 4:
2452 ha->max_xfer = 0x10000;
2453 break;
2454
2455 case 5:
2456 ha->max_xfer = 0x20000;
2457 break;
2458
2459 case 6:
2460 ha->max_xfer = 0x40000;
2461 break;
2462
2463 case 7:
2464 default:
2465 ha->max_xfer = 0x80000;
2466 break;
2467 }
2468
2469 /* setup max concurrent commands */
2470 if (le32_to_cpu(ha->subsys->param[4]) & 0x1) {
2471 /* Use the new method */
2472 ha->max_cmds = ha->enq->ucConcurrentCmdCount;
2473 } else {
2474 /* use the old method */
2475 switch (ha->conf->logical_drive[0].ucStripeSize) {
2476 case 4:
2477 ha->max_cmds = 32;
2478 break;
2479
2480 case 5:
2481 ha->max_cmds = 16;
2482 break;
2483
2484 case 6:
2485 ha->max_cmds = 8;
2486 break;
2487
2488 case 7:
2489 default:
2490 ha->max_cmds = 4;
2491 break;
2492 }
2493 }
2494
2495 /* Limit the Active Commands on a Lite Adapter */
2496 if ((ha->ad_type == IPS_ADTYPE_SERVERAID3L) ||
2497 (ha->ad_type == IPS_ADTYPE_SERVERAID4L) ||
2498 (ha->ad_type == IPS_ADTYPE_SERVERAID4LX)) {
2499 if ((ha->max_cmds > MaxLiteCmds) && (MaxLiteCmds))
2500 ha->max_cmds = MaxLiteCmds;
2501 }
2502
2503 /* set controller IDs */
2504 ha->ha_id[0] = IPS_ADAPTER_ID;
2505 for (i = 1; i < ha->nbus; i++) {
2506 ha->ha_id[i] = ha->conf->init_id[i - 1] & 0x1f;
2507 ha->dcdb_active[i - 1] = 0;
2508 }
2509
2510 return (1);
2511 }
2512
2513 /****************************************************************************/
2514 /* */
2515 /* Routine Name: ips_next */
2516 /* */
2517 /* Routine Description: */
2518 /* */
2519 /* Take the next command off the queue and send it to the controller */
2520 /* */
2521 /****************************************************************************/
2522 static void
2523 ips_next(ips_ha_t * ha, int intr)
2524 {
2525 ips_scb_t *scb;
2526 struct scsi_cmnd *SC;
2527 struct scsi_cmnd *p;
2528 struct scsi_cmnd *q;
2529 ips_copp_wait_item_t *item;
2530 int ret;
2531 struct Scsi_Host *host;
2532 METHOD_TRACE("ips_next", 1);
2533
2534 if (!ha)
2535 return;
2536 host = ips_sh[ha->host_num];
2537 /*
2538 * Block access to the queue function so
2539 * this command won't time out
2540 */
2541 if (intr == IPS_INTR_ON)
2542 spin_lock(host->host_lock);
2543
2544 if ((ha->subsys->param[3] & 0x300000)
2545 && (ha->scb_activelist.count == 0)) {
2546 time64_t now = ktime_get_real_seconds();
2547 if (now - ha->last_ffdc > IPS_SECS_8HOURS) {
2548 ha->last_ffdc = now;
2549 ips_ffdc_time(ha);
2550 }
2551 }
2552
2553 /*
2554 * Send passthru commands
2555 * These have priority over normal I/O
2556 * but shouldn't affect performance too much
2557 * since we limit the number that can be active
2558 * on the card at any one time
2559 */
2560 while ((ha->num_ioctl < IPS_MAX_IOCTL) &&
2561 (ha->copp_waitlist.head) && (scb = ips_getscb(ha))) {
2562
2563 item = ips_removeq_copp_head(&ha->copp_waitlist);
2564 ha->num_ioctl++;
2565 if (intr == IPS_INTR_ON)
2566 spin_unlock(host->host_lock);
2567 scb->scsi_cmd = item->scsi_cmd;
2568 kfree(item);
2569
2570 ret = ips_make_passthru(ha, scb->scsi_cmd, scb, intr);
2571
2572 if (intr == IPS_INTR_ON)
2573 spin_lock(host->host_lock);
2574 switch (ret) {
2575 case IPS_FAILURE:
2576 if (scb->scsi_cmd) {
2577 scb->scsi_cmd->result = DID_ERROR << 16;
2578 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2579 }
2580
2581 ips_freescb(ha, scb);
2582 break;
2583 case IPS_SUCCESS_IMM:
2584 if (scb->scsi_cmd) {
2585 scb->scsi_cmd->result = DID_OK << 16;
2586 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2587 }
2588
2589 ips_freescb(ha, scb);
2590 break;
2591 default:
2592 break;
2593 } /* end case */
2594
2595 if (ret != IPS_SUCCESS) {
2596 ha->num_ioctl--;
2597 continue;
2598 }
2599
2600 ret = ips_send_cmd(ha, scb);
2601
2602 if (ret == IPS_SUCCESS)
2603 ips_putq_scb_head(&ha->scb_activelist, scb);
2604 else
2605 ha->num_ioctl--;
2606
2607 switch (ret) {
2608 case IPS_FAILURE:
2609 if (scb->scsi_cmd) {
2610 scb->scsi_cmd->result = DID_ERROR << 16;
2611 }
2612
2613 ips_freescb(ha, scb);
2614 break;
2615 case IPS_SUCCESS_IMM:
2616 ips_freescb(ha, scb);
2617 break;
2618 default:
2619 break;
2620 } /* end case */
2621
2622 }
2623
2624 /*
2625 * Send "Normal" I/O commands
2626 */
2627
2628 p = ha->scb_waitlist.head;
2629 while ((p) && (scb = ips_getscb(ha))) {
2630 if ((scmd_channel(p) > 0)
2631 && (ha->
2632 dcdb_active[scmd_channel(p) -
2633 1] & (1 << scmd_id(p)))) {
2634 ips_freescb(ha, scb);
2635 p = (struct scsi_cmnd *) p->host_scribble;
2636 continue;
2637 }
2638
2639 q = p;
2640 SC = ips_removeq_wait(&ha->scb_waitlist, q);
2641
2642 if (intr == IPS_INTR_ON)
2643 spin_unlock(host->host_lock); /* Unlock HA after command is taken off queue */
2644
2645 SC->result = DID_OK;
2646 SC->host_scribble = NULL;
2647
2648 scb->target_id = SC->device->id;
2649 scb->lun = SC->device->lun;
2650 scb->bus = SC->device->channel;
2651 scb->scsi_cmd = SC;
2652 scb->breakup = 0;
2653 scb->data_len = 0;
2654 scb->callback = ipsintr_done;
2655 scb->timeout = ips_cmd_timeout;
2656 memset(&scb->cmd, 0, 16);
2657
2658 /* copy in the CDB */
2659 memcpy(scb->cdb, SC->cmnd, SC->cmd_len);
2660
2661 scb->sg_count = scsi_dma_map(SC);
2662 BUG_ON(scb->sg_count < 0);
2663 if (scb->sg_count) {
2664 struct scatterlist *sg;
2665 int i;
2666
2667 scb->flags |= IPS_SCB_MAP_SG;
2668
2669 scsi_for_each_sg(SC, sg, scb->sg_count, i) {
2670 if (ips_fill_scb_sg_single
2671 (ha, sg_dma_address(sg), scb, i,
2672 sg_dma_len(sg)) < 0)
2673 break;
2674 }
2675 scb->dcdb.transfer_length = scb->data_len;
2676 } else {
2677 scb->data_busaddr = 0L;
2678 scb->sg_len = 0;
2679 scb->data_len = 0;
2680 scb->dcdb.transfer_length = 0;
2681 }
2682
2683 scb->dcdb.cmd_attribute =
2684 ips_command_direction[scb->scsi_cmd->cmnd[0]];
2685
2686 /* Allow a WRITE BUFFER Command to Have no Data */
2687 /* This is Used by Tape Flash Utilites */
2688 if ((scb->scsi_cmd->cmnd[0] == WRITE_BUFFER) &&
2689 (scb->data_len == 0))
2690 scb->dcdb.cmd_attribute = 0;
2691
2692 if (!(scb->dcdb.cmd_attribute & 0x3))
2693 scb->dcdb.transfer_length = 0;
2694
2695 if (scb->data_len >= IPS_MAX_XFER) {
2696 scb->dcdb.cmd_attribute |= IPS_TRANSFER64K;
2697 scb->dcdb.transfer_length = 0;
2698 }
2699 if (intr == IPS_INTR_ON)
2700 spin_lock(host->host_lock);
2701
2702 ret = ips_send_cmd(ha, scb);
2703
2704 switch (ret) {
2705 case IPS_SUCCESS:
2706 ips_putq_scb_head(&ha->scb_activelist, scb);
2707 break;
2708 case IPS_FAILURE:
2709 if (scb->scsi_cmd) {
2710 scb->scsi_cmd->result = DID_ERROR << 16;
2711 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2712 }
2713
2714 if (scb->bus)
2715 ha->dcdb_active[scb->bus - 1] &=
2716 ~(1 << scb->target_id);
2717
2718 ips_freescb(ha, scb);
2719 break;
2720 case IPS_SUCCESS_IMM:
2721 if (scb->scsi_cmd)
2722 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2723
2724 if (scb->bus)
2725 ha->dcdb_active[scb->bus - 1] &=
2726 ~(1 << scb->target_id);
2727
2728 ips_freescb(ha, scb);
2729 break;
2730 default:
2731 break;
2732 } /* end case */
2733
2734 p = (struct scsi_cmnd *) p->host_scribble;
2735
2736 } /* end while */
2737
2738 if (intr == IPS_INTR_ON)
2739 spin_unlock(host->host_lock);
2740 }
2741
2742 /****************************************************************************/
2743 /* */
2744 /* Routine Name: ips_putq_scb_head */
2745 /* */
2746 /* Routine Description: */
2747 /* */
2748 /* Add an item to the head of the queue */
2749 /* */
2750 /* ASSUMED to be called from within the HA lock */
2751 /* */
2752 /****************************************************************************/
2753 static void
2754 ips_putq_scb_head(ips_scb_queue_t * queue, ips_scb_t * item)
2755 {
2756 METHOD_TRACE("ips_putq_scb_head", 1);
2757
2758 if (!item)
2759 return;
2760
2761 item->q_next = queue->head;
2762 queue->head = item;
2763
2764 if (!queue->tail)
2765 queue->tail = item;
2766
2767 queue->count++;
2768 }
2769
2770 /****************************************************************************/
2771 /* */
2772 /* Routine Name: ips_removeq_scb_head */
2773 /* */
2774 /* Routine Description: */
2775 /* */
2776 /* Remove the head of the queue */
2777 /* */
2778 /* ASSUMED to be called from within the HA lock */
2779 /* */
2780 /****************************************************************************/
2781 static ips_scb_t *
2782 ips_removeq_scb_head(ips_scb_queue_t * queue)
2783 {
2784 ips_scb_t *item;
2785
2786 METHOD_TRACE("ips_removeq_scb_head", 1);
2787
2788 item = queue->head;
2789
2790 if (!item) {
2791 return (NULL);
2792 }
2793
2794 queue->head = item->q_next;
2795 item->q_next = NULL;
2796
2797 if (queue->tail == item)
2798 queue->tail = NULL;
2799
2800 queue->count--;
2801
2802 return (item);
2803 }
2804
2805 /****************************************************************************/
2806 /* */
2807 /* Routine Name: ips_removeq_scb */
2808 /* */
2809 /* Routine Description: */
2810 /* */
2811 /* Remove an item from a queue */
2812 /* */
2813 /* ASSUMED to be called from within the HA lock */
2814 /* */
2815 /****************************************************************************/
2816 static ips_scb_t *
2817 ips_removeq_scb(ips_scb_queue_t * queue, ips_scb_t * item)
2818 {
2819 ips_scb_t *p;
2820
2821 METHOD_TRACE("ips_removeq_scb", 1);
2822
2823 if (!item)
2824 return (NULL);
2825
2826 if (item == queue->head) {
2827 return (ips_removeq_scb_head(queue));
2828 }
2829
2830 p = queue->head;
2831
2832 while ((p) && (item != p->q_next))
2833 p = p->q_next;
2834
2835 if (p) {
2836 /* found a match */
2837 p->q_next = item->q_next;
2838
2839 if (!item->q_next)
2840 queue->tail = p;
2841
2842 item->q_next = NULL;
2843 queue->count--;
2844
2845 return (item);
2846 }
2847
2848 return (NULL);
2849 }
2850
2851 /****************************************************************************/
2852 /* */
2853 /* Routine Name: ips_putq_wait_tail */
2854 /* */
2855 /* Routine Description: */
2856 /* */
2857 /* Add an item to the tail of the queue */
2858 /* */
2859 /* ASSUMED to be called from within the HA lock */
2860 /* */
2861 /****************************************************************************/
2862 static void ips_putq_wait_tail(ips_wait_queue_entry_t *queue, struct scsi_cmnd *item)
2863 {
2864 METHOD_TRACE("ips_putq_wait_tail", 1);
2865
2866 if (!item)
2867 return;
2868
2869 item->host_scribble = NULL;
2870
2871 if (queue->tail)
2872 queue->tail->host_scribble = (char *) item;
2873
2874 queue->tail = item;
2875
2876 if (!queue->head)
2877 queue->head = item;
2878
2879 queue->count++;
2880 }
2881
2882 /****************************************************************************/
2883 /* */
2884 /* Routine Name: ips_removeq_wait_head */
2885 /* */
2886 /* Routine Description: */
2887 /* */
2888 /* Remove the head of the queue */
2889 /* */
2890 /* ASSUMED to be called from within the HA lock */
2891 /* */
2892 /****************************************************************************/
2893 static struct scsi_cmnd *ips_removeq_wait_head(ips_wait_queue_entry_t *queue)
2894 {
2895 struct scsi_cmnd *item;
2896
2897 METHOD_TRACE("ips_removeq_wait_head", 1);
2898
2899 item = queue->head;
2900
2901 if (!item) {
2902 return (NULL);
2903 }
2904
2905 queue->head = (struct scsi_cmnd *) item->host_scribble;
2906 item->host_scribble = NULL;
2907
2908 if (queue->tail == item)
2909 queue->tail = NULL;
2910
2911 queue->count--;
2912
2913 return (item);
2914 }
2915
2916 /****************************************************************************/
2917 /* */
2918 /* Routine Name: ips_removeq_wait */
2919 /* */
2920 /* Routine Description: */
2921 /* */
2922 /* Remove an item from a queue */
2923 /* */
2924 /* ASSUMED to be called from within the HA lock */
2925 /* */
2926 /****************************************************************************/
2927 static struct scsi_cmnd *ips_removeq_wait(ips_wait_queue_entry_t *queue,
2928 struct scsi_cmnd *item)
2929 {
2930 struct scsi_cmnd *p;
2931
2932 METHOD_TRACE("ips_removeq_wait", 1);
2933
2934 if (!item)
2935 return (NULL);
2936
2937 if (item == queue->head) {
2938 return (ips_removeq_wait_head(queue));
2939 }
2940
2941 p = queue->head;
2942
2943 while ((p) && (item != (struct scsi_cmnd *) p->host_scribble))
2944 p = (struct scsi_cmnd *) p->host_scribble;
2945
2946 if (p) {
2947 /* found a match */
2948 p->host_scribble = item->host_scribble;
2949
2950 if (!item->host_scribble)
2951 queue->tail = p;
2952
2953 item->host_scribble = NULL;
2954 queue->count--;
2955
2956 return (item);
2957 }
2958
2959 return (NULL);
2960 }
2961
2962 /****************************************************************************/
2963 /* */
2964 /* Routine Name: ips_putq_copp_tail */
2965 /* */
2966 /* Routine Description: */
2967 /* */
2968 /* Add an item to the tail of the queue */
2969 /* */
2970 /* ASSUMED to be called from within the HA lock */
2971 /* */
2972 /****************************************************************************/
2973 static void
2974 ips_putq_copp_tail(ips_copp_queue_t * queue, ips_copp_wait_item_t * item)
2975 {
2976 METHOD_TRACE("ips_putq_copp_tail", 1);
2977
2978 if (!item)
2979 return;
2980
2981 item->next = NULL;
2982
2983 if (queue->tail)
2984 queue->tail->next = item;
2985
2986 queue->tail = item;
2987
2988 if (!queue->head)
2989 queue->head = item;
2990
2991 queue->count++;
2992 }
2993
2994 /****************************************************************************/
2995 /* */
2996 /* Routine Name: ips_removeq_copp_head */
2997 /* */
2998 /* Routine Description: */
2999 /* */
3000 /* Remove the head of the queue */
3001 /* */
3002 /* ASSUMED to be called from within the HA lock */
3003 /* */
3004 /****************************************************************************/
3005 static ips_copp_wait_item_t *
3006 ips_removeq_copp_head(ips_copp_queue_t * queue)
3007 {
3008 ips_copp_wait_item_t *item;
3009
3010 METHOD_TRACE("ips_removeq_copp_head", 1);
3011
3012 item = queue->head;
3013
3014 if (!item) {
3015 return (NULL);
3016 }
3017
3018 queue->head = item->next;
3019 item->next = NULL;
3020
3021 if (queue->tail == item)
3022 queue->tail = NULL;
3023
3024 queue->count--;
3025
3026 return (item);
3027 }
3028
3029 /****************************************************************************/
3030 /* */
3031 /* Routine Name: ips_removeq_copp */
3032 /* */
3033 /* Routine Description: */
3034 /* */
3035 /* Remove an item from a queue */
3036 /* */
3037 /* ASSUMED to be called from within the HA lock */
3038 /* */
3039 /****************************************************************************/
3040 static ips_copp_wait_item_t *
3041 ips_removeq_copp(ips_copp_queue_t * queue, ips_copp_wait_item_t * item)
3042 {
3043 ips_copp_wait_item_t *p;
3044
3045 METHOD_TRACE("ips_removeq_copp", 1);
3046
3047 if (!item)
3048 return (NULL);
3049
3050 if (item == queue->head) {
3051 return (ips_removeq_copp_head(queue));
3052 }
3053
3054 p = queue->head;
3055
3056 while ((p) && (item != p->next))
3057 p = p->next;
3058
3059 if (p) {
3060 /* found a match */
3061 p->next = item->next;
3062
3063 if (!item->next)
3064 queue->tail = p;
3065
3066 item->next = NULL;
3067 queue->count--;
3068
3069 return (item);
3070 }
3071
3072 return (NULL);
3073 }
3074
3075 /****************************************************************************/
3076 /* */
3077 /* Routine Name: ipsintr_blocking */
3078 /* */
3079 /* Routine Description: */
3080 /* */
3081 /* Finalize an interrupt for internal commands */
3082 /* */
3083 /****************************************************************************/
3084 static void
3085 ipsintr_blocking(ips_ha_t * ha, ips_scb_t * scb)
3086 {
3087 METHOD_TRACE("ipsintr_blocking", 2);
3088
3089 ips_freescb(ha, scb);
3090 if ((ha->waitflag == TRUE) && (ha->cmd_in_progress == scb->cdb[0])) {
3091 ha->waitflag = FALSE;
3092
3093 return;
3094 }
3095 }
3096
3097 /****************************************************************************/
3098 /* */
3099 /* Routine Name: ipsintr_done */
3100 /* */
3101 /* Routine Description: */
3102 /* */
3103 /* Finalize an interrupt for non-internal commands */
3104 /* */
3105 /****************************************************************************/
3106 static void
3107 ipsintr_done(ips_ha_t * ha, ips_scb_t * scb)
3108 {
3109 METHOD_TRACE("ipsintr_done", 2);
3110
3111 if (!scb) {
3112 IPS_PRINTK(KERN_WARNING, ha->pcidev,
3113 "Spurious interrupt; scb NULL.\n");
3114
3115 return;
3116 }
3117
3118 if (scb->scsi_cmd == NULL) {
3119 /* unexpected interrupt */
3120 IPS_PRINTK(KERN_WARNING, ha->pcidev,
3121 "Spurious interrupt; scsi_cmd not set.\n");
3122
3123 return;
3124 }
3125
3126 ips_done(ha, scb);
3127 }
3128
3129 /****************************************************************************/
3130 /* */
3131 /* Routine Name: ips_done */
3132 /* */
3133 /* Routine Description: */
3134 /* */
3135 /* Do housekeeping on completed commands */
3136 /* ASSUMED to be called form within the request lock */
3137 /****************************************************************************/
3138 static void
3139 ips_done(ips_ha_t * ha, ips_scb_t * scb)
3140 {
3141 int ret;
3142
3143 METHOD_TRACE("ips_done", 1);
3144
3145 if (!scb)
3146 return;
3147
3148 if ((scb->scsi_cmd) && (ips_is_passthru(scb->scsi_cmd))) {
3149 ips_cleanup_passthru(ha, scb);
3150 ha->num_ioctl--;
3151 } else {
3152 /*
3153 * Check to see if this command had too much
3154 * data and had to be broke up. If so, queue
3155 * the rest of the data and continue.
3156 */
3157 if ((scb->breakup) || (scb->sg_break)) {
3158 struct scatterlist *sg;
3159 int i, sg_dma_index, ips_sg_index = 0;
3160
3161 /* we had a data breakup */
3162 scb->data_len = 0;
3163
3164 sg = scsi_sglist(scb->scsi_cmd);
3165
3166 /* Spin forward to last dma chunk */
3167 sg_dma_index = scb->breakup;
3168 for (i = 0; i < scb->breakup; i++)
3169 sg = sg_next(sg);
3170
3171 /* Take care of possible partial on last chunk */
3172 ips_fill_scb_sg_single(ha,
3173 sg_dma_address(sg),
3174 scb, ips_sg_index++,
3175 sg_dma_len(sg));
3176
3177 for (; sg_dma_index < scsi_sg_count(scb->scsi_cmd);
3178 sg_dma_index++, sg = sg_next(sg)) {
3179 if (ips_fill_scb_sg_single
3180 (ha,
3181 sg_dma_address(sg),
3182 scb, ips_sg_index++,
3183 sg_dma_len(sg)) < 0)
3184 break;
3185 }
3186
3187 scb->dcdb.transfer_length = scb->data_len;
3188 scb->dcdb.cmd_attribute |=
3189 ips_command_direction[scb->scsi_cmd->cmnd[0]];
3190
3191 if (!(scb->dcdb.cmd_attribute & 0x3))
3192 scb->dcdb.transfer_length = 0;
3193
3194 if (scb->data_len >= IPS_MAX_XFER) {
3195 scb->dcdb.cmd_attribute |= IPS_TRANSFER64K;
3196 scb->dcdb.transfer_length = 0;
3197 }
3198
3199 ret = ips_send_cmd(ha, scb);
3200
3201 switch (ret) {
3202 case IPS_FAILURE:
3203 if (scb->scsi_cmd) {
3204 scb->scsi_cmd->result = DID_ERROR << 16;
3205 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3206 }
3207
3208 ips_freescb(ha, scb);
3209 break;
3210 case IPS_SUCCESS_IMM:
3211 if (scb->scsi_cmd) {
3212 scb->scsi_cmd->result = DID_ERROR << 16;
3213 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3214 }
3215
3216 ips_freescb(ha, scb);
3217 break;
3218 default:
3219 break;
3220 } /* end case */
3221
3222 return;
3223 }
3224 } /* end if passthru */
3225
3226 if (scb->bus) {
3227 ha->dcdb_active[scb->bus - 1] &= ~(1 << scb->target_id);
3228 }
3229
3230 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3231
3232 ips_freescb(ha, scb);
3233 }
3234
3235 /****************************************************************************/
3236 /* */
3237 /* Routine Name: ips_map_status */
3238 /* */
3239 /* Routine Description: */
3240 /* */
3241 /* Map Controller Error codes to Linux Error Codes */
3242 /* */
3243 /****************************************************************************/
3244 static int
3245 ips_map_status(ips_ha_t * ha, ips_scb_t * scb, ips_stat_t * sp)
3246 {
3247 int errcode;
3248 int device_error;
3249 uint32_t transfer_len;
3250 IPS_DCDB_TABLE_TAPE *tapeDCDB;
3251 IPS_SCSI_INQ_DATA inquiryData;
3252
3253 METHOD_TRACE("ips_map_status", 1);
3254
3255 if (scb->bus) {
3256 DEBUG_VAR(2,
3257 "(%s%d) Physical device error (%d %d %d): %x %x, Sense Key: %x, ASC: %x, ASCQ: %x",
3258 ips_name, ha->host_num,
3259 scb->scsi_cmd->device->channel,
3260 scb->scsi_cmd->device->id, scb->scsi_cmd->device->lun,
3261 scb->basic_status, scb->extended_status,
3262 scb->extended_status ==
3263 IPS_ERR_CKCOND ? scb->dcdb.sense_info[2] & 0xf : 0,
3264 scb->extended_status ==
3265 IPS_ERR_CKCOND ? scb->dcdb.sense_info[12] : 0,
3266 scb->extended_status ==
3267 IPS_ERR_CKCOND ? scb->dcdb.sense_info[13] : 0);
3268 }
3269
3270 /* default driver error */
3271 errcode = DID_ERROR;
3272 device_error = 0;
3273
3274 switch (scb->basic_status & IPS_GSC_STATUS_MASK) {
3275 case IPS_CMD_TIMEOUT:
3276 errcode = DID_TIME_OUT;
3277 break;
3278
3279 case IPS_INVAL_OPCO:
3280 case IPS_INVAL_CMD_BLK:
3281 case IPS_INVAL_PARM_BLK:
3282 case IPS_LD_ERROR:
3283 case IPS_CMD_CMPLT_WERROR:
3284 break;
3285
3286 case IPS_PHYS_DRV_ERROR:
3287 switch (scb->extended_status) {
3288 case IPS_ERR_SEL_TO:
3289 if (scb->bus)
3290 errcode = DID_NO_CONNECT;
3291
3292 break;
3293
3294 case IPS_ERR_OU_RUN:
3295 if ((scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB) ||
3296 (scb->cmd.dcdb.op_code ==
3297 IPS_CMD_EXTENDED_DCDB_SG)) {
3298 tapeDCDB = (IPS_DCDB_TABLE_TAPE *) & scb->dcdb;
3299 transfer_len = tapeDCDB->transfer_length;
3300 } else {
3301 transfer_len =
3302 (uint32_t) scb->dcdb.transfer_length;
3303 }
3304
3305 if ((scb->bus) && (transfer_len < scb->data_len)) {
3306 /* Underrun - set default to no error */
3307 errcode = DID_OK;
3308
3309 /* Restrict access to physical DASD */
3310 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
3311 ips_scmd_buf_read(scb->scsi_cmd,
3312 &inquiryData, sizeof (inquiryData));
3313 if ((inquiryData.DeviceType & 0x1f) == TYPE_DISK) {
3314 errcode = DID_TIME_OUT;
3315 break;
3316 }
3317 }
3318 } else
3319 errcode = DID_ERROR;
3320
3321 break;
3322
3323 case IPS_ERR_RECOVERY:
3324 /* don't fail recovered errors */
3325 if (scb->bus)
3326 errcode = DID_OK;
3327
3328 break;
3329
3330 case IPS_ERR_HOST_RESET:
3331 case IPS_ERR_DEV_RESET:
3332 errcode = DID_RESET;
3333 break;
3334
3335 case IPS_ERR_CKCOND:
3336 if (scb->bus) {
3337 if ((scb->cmd.dcdb.op_code ==
3338 IPS_CMD_EXTENDED_DCDB)
3339 || (scb->cmd.dcdb.op_code ==
3340 IPS_CMD_EXTENDED_DCDB_SG)) {
3341 tapeDCDB =
3342 (IPS_DCDB_TABLE_TAPE *) & scb->dcdb;
3343 memcpy(scb->scsi_cmd->sense_buffer,
3344 tapeDCDB->sense_info,
3345 SCSI_SENSE_BUFFERSIZE);
3346 } else {
3347 memcpy(scb->scsi_cmd->sense_buffer,
3348 scb->dcdb.sense_info,
3349 SCSI_SENSE_BUFFERSIZE);
3350 }
3351 device_error = 2; /* check condition */
3352 }
3353
3354 errcode = DID_OK;
3355
3356 break;
3357
3358 default:
3359 errcode = DID_ERROR;
3360 break;
3361
3362 } /* end switch */
3363 } /* end switch */
3364
3365 scb->scsi_cmd->result = device_error | (errcode << 16);
3366
3367 return (1);
3368 }
3369
3370 /****************************************************************************/
3371 /* */
3372 /* Routine Name: ips_send_wait */
3373 /* */
3374 /* Routine Description: */
3375 /* */
3376 /* Send a command to the controller and wait for it to return */
3377 /* */
3378 /* The FFDC Time Stamp use this function for the callback, but doesn't */
3379 /* actually need to wait. */
3380 /****************************************************************************/
3381 static int
3382 ips_send_wait(ips_ha_t * ha, ips_scb_t * scb, int timeout, int intr)
3383 {
3384 int ret;
3385
3386 METHOD_TRACE("ips_send_wait", 1);
3387
3388 if (intr != IPS_FFDC) { /* Won't be Waiting if this is a Time Stamp */
3389 ha->waitflag = TRUE;
3390 ha->cmd_in_progress = scb->cdb[0];
3391 }
3392 scb->callback = ipsintr_blocking;
3393 ret = ips_send_cmd(ha, scb);
3394
3395 if ((ret == IPS_FAILURE) || (ret == IPS_SUCCESS_IMM))
3396 return (ret);
3397
3398 if (intr != IPS_FFDC) /* Don't Wait around if this is a Time Stamp */
3399 ret = ips_wait(ha, timeout, intr);
3400
3401 return (ret);
3402 }
3403
3404 /****************************************************************************/
3405 /* */
3406 /* Routine Name: ips_scmd_buf_write */
3407 /* */
3408 /* Routine Description: */
3409 /* Write data to struct scsi_cmnd request_buffer at proper offsets */
3410 /****************************************************************************/
3411 static void
3412 ips_scmd_buf_write(struct scsi_cmnd *scmd, void *data, unsigned int count)
3413 {
3414 unsigned long flags;
3415
3416 local_irq_save(flags);
3417 scsi_sg_copy_from_buffer(scmd, data, count);
3418 local_irq_restore(flags);
3419 }
3420
3421 /****************************************************************************/
3422 /* */
3423 /* Routine Name: ips_scmd_buf_read */
3424 /* */
3425 /* Routine Description: */
3426 /* Copy data from a struct scsi_cmnd to a new, linear buffer */
3427 /****************************************************************************/
3428 static void
3429 ips_scmd_buf_read(struct scsi_cmnd *scmd, void *data, unsigned int count)
3430 {
3431 unsigned long flags;
3432
3433 local_irq_save(flags);
3434 scsi_sg_copy_to_buffer(scmd, data, count);
3435 local_irq_restore(flags);
3436 }
3437
3438 /****************************************************************************/
3439 /* */
3440 /* Routine Name: ips_send_cmd */
3441 /* */
3442 /* Routine Description: */
3443 /* */
3444 /* Map SCSI commands to ServeRAID commands for logical drives */
3445 /* */
3446 /****************************************************************************/
3447 static int
3448 ips_send_cmd(ips_ha_t * ha, ips_scb_t * scb)
3449 {
3450 int ret;
3451 char *sp;
3452 int device_error;
3453 IPS_DCDB_TABLE_TAPE *tapeDCDB;
3454 int TimeOut;
3455
3456 METHOD_TRACE("ips_send_cmd", 1);
3457
3458 ret = IPS_SUCCESS;
3459
3460 if (!scb->scsi_cmd) {
3461 /* internal command */
3462
3463 if (scb->bus > 0) {
3464 /* Controller commands can't be issued */
3465 /* to real devices -- fail them */
3466 if ((ha->waitflag == TRUE) &&
3467 (ha->cmd_in_progress == scb->cdb[0])) {
3468 ha->waitflag = FALSE;
3469 }
3470
3471 return (1);
3472 }
3473 } else if ((scb->bus == 0) && (!ips_is_passthru(scb->scsi_cmd))) {
3474 /* command to logical bus -- interpret */
3475 ret = IPS_SUCCESS_IMM;
3476
3477 switch (scb->scsi_cmd->cmnd[0]) {
3478 case ALLOW_MEDIUM_REMOVAL:
3479 case REZERO_UNIT:
3480 case ERASE:
3481 case WRITE_FILEMARKS:
3482 case SPACE:
3483 scb->scsi_cmd->result = DID_ERROR << 16;
3484 break;
3485
3486 case START_STOP:
3487 scb->scsi_cmd->result = DID_OK << 16;
3488
3489 case TEST_UNIT_READY:
3490 case INQUIRY:
3491 if (scb->target_id == IPS_ADAPTER_ID) {
3492 /*
3493 * Either we have a TUR
3494 * or we have a SCSI inquiry
3495 */
3496 if (scb->scsi_cmd->cmnd[0] == TEST_UNIT_READY)
3497 scb->scsi_cmd->result = DID_OK << 16;
3498
3499 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
3500 IPS_SCSI_INQ_DATA inquiry;
3501
3502 memset(&inquiry, 0,
3503 sizeof (IPS_SCSI_INQ_DATA));
3504
3505 inquiry.DeviceType =
3506 IPS_SCSI_INQ_TYPE_PROCESSOR;
3507 inquiry.DeviceTypeQualifier =
3508 IPS_SCSI_INQ_LU_CONNECTED;
3509 inquiry.Version = IPS_SCSI_INQ_REV2;
3510 inquiry.ResponseDataFormat =
3511 IPS_SCSI_INQ_RD_REV2;
3512 inquiry.AdditionalLength = 31;
3513 inquiry.Flags[0] =
3514 IPS_SCSI_INQ_Address16;
3515 inquiry.Flags[1] =
3516 IPS_SCSI_INQ_WBus16 |
3517 IPS_SCSI_INQ_Sync;
3518 strncpy(inquiry.VendorId, "IBM ",
3519 8);
3520 strncpy(inquiry.ProductId,
3521 "SERVERAID ", 16);
3522 strncpy(inquiry.ProductRevisionLevel,
3523 "1.00", 4);
3524
3525 ips_scmd_buf_write(scb->scsi_cmd,
3526 &inquiry,
3527 sizeof (inquiry));
3528
3529 scb->scsi_cmd->result = DID_OK << 16;
3530 }
3531 } else {
3532 scb->cmd.logical_info.op_code = IPS_CMD_GET_LD_INFO;
3533 scb->cmd.logical_info.command_id = IPS_COMMAND_ID(ha, scb);
3534 scb->cmd.logical_info.reserved = 0;
3535 scb->cmd.logical_info.reserved2 = 0;
3536 scb->data_len = sizeof (IPS_LD_INFO);
3537 scb->data_busaddr = ha->logical_drive_info_dma_addr;
3538 scb->flags = 0;
3539 scb->cmd.logical_info.buffer_addr = scb->data_busaddr;
3540 ret = IPS_SUCCESS;
3541 }
3542
3543 break;
3544
3545 case REQUEST_SENSE:
3546 ips_reqsen(ha, scb);
3547 scb->scsi_cmd->result = DID_OK << 16;
3548 break;
3549
3550 case READ_6:
3551 case WRITE_6:
3552 if (!scb->sg_len) {
3553 scb->cmd.basic_io.op_code =
3554 (scb->scsi_cmd->cmnd[0] ==
3555 READ_6) ? IPS_CMD_READ : IPS_CMD_WRITE;
3556 scb->cmd.basic_io.enhanced_sg = 0;
3557 scb->cmd.basic_io.sg_addr =
3558 cpu_to_le32(scb->data_busaddr);
3559 } else {
3560 scb->cmd.basic_io.op_code =
3561 (scb->scsi_cmd->cmnd[0] ==
3562 READ_6) ? IPS_CMD_READ_SG :
3563 IPS_CMD_WRITE_SG;
3564 scb->cmd.basic_io.enhanced_sg =
3565 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3566 scb->cmd.basic_io.sg_addr =
3567 cpu_to_le32(scb->sg_busaddr);
3568 }
3569
3570 scb->cmd.basic_io.segment_4G = 0;
3571 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3572 scb->cmd.basic_io.log_drv = scb->target_id;
3573 scb->cmd.basic_io.sg_count = scb->sg_len;
3574
3575 if (scb->cmd.basic_io.lba)
3576 le32_add_cpu(&scb->cmd.basic_io.lba,
3577 le16_to_cpu(scb->cmd.basic_io.
3578 sector_count));
3579 else
3580 scb->cmd.basic_io.lba =
3581 (((scb->scsi_cmd->
3582 cmnd[1] & 0x1f) << 16) | (scb->scsi_cmd->
3583 cmnd[2] << 8) |
3584 (scb->scsi_cmd->cmnd[3]));
3585
3586 scb->cmd.basic_io.sector_count =
3587 cpu_to_le16(scb->data_len / IPS_BLKSIZE);
3588
3589 if (le16_to_cpu(scb->cmd.basic_io.sector_count) == 0)
3590 scb->cmd.basic_io.sector_count =
3591 cpu_to_le16(256);
3592
3593 ret = IPS_SUCCESS;
3594 break;
3595
3596 case READ_10:
3597 case WRITE_10:
3598 if (!scb->sg_len) {
3599 scb->cmd.basic_io.op_code =
3600 (scb->scsi_cmd->cmnd[0] ==
3601 READ_10) ? IPS_CMD_READ : IPS_CMD_WRITE;
3602 scb->cmd.basic_io.enhanced_sg = 0;
3603 scb->cmd.basic_io.sg_addr =
3604 cpu_to_le32(scb->data_busaddr);
3605 } else {
3606 scb->cmd.basic_io.op_code =
3607 (scb->scsi_cmd->cmnd[0] ==
3608 READ_10) ? IPS_CMD_READ_SG :
3609 IPS_CMD_WRITE_SG;
3610 scb->cmd.basic_io.enhanced_sg =
3611 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3612 scb->cmd.basic_io.sg_addr =
3613 cpu_to_le32(scb->sg_busaddr);
3614 }
3615
3616 scb->cmd.basic_io.segment_4G = 0;
3617 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3618 scb->cmd.basic_io.log_drv = scb->target_id;
3619 scb->cmd.basic_io.sg_count = scb->sg_len;
3620
3621 if (scb->cmd.basic_io.lba)
3622 le32_add_cpu(&scb->cmd.basic_io.lba,
3623 le16_to_cpu(scb->cmd.basic_io.
3624 sector_count));
3625 else
3626 scb->cmd.basic_io.lba =
3627 ((scb->scsi_cmd->cmnd[2] << 24) | (scb->
3628 scsi_cmd->
3629 cmnd[3]
3630 << 16) |
3631 (scb->scsi_cmd->cmnd[4] << 8) | scb->
3632 scsi_cmd->cmnd[5]);
3633
3634 scb->cmd.basic_io.sector_count =
3635 cpu_to_le16(scb->data_len / IPS_BLKSIZE);
3636
3637 if (cpu_to_le16(scb->cmd.basic_io.sector_count) == 0) {
3638 /*
3639 * This is a null condition
3640 * we don't have to do anything
3641 * so just return
3642 */
3643 scb->scsi_cmd->result = DID_OK << 16;
3644 } else
3645 ret = IPS_SUCCESS;
3646
3647 break;
3648
3649 case RESERVE:
3650 case RELEASE:
3651 scb->scsi_cmd->result = DID_OK << 16;
3652 break;
3653
3654 case MODE_SENSE:
3655 scb->cmd.basic_io.op_code = IPS_CMD_ENQUIRY;
3656 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3657 scb->cmd.basic_io.segment_4G = 0;
3658 scb->cmd.basic_io.enhanced_sg = 0;
3659 scb->data_len = sizeof (*ha->enq);
3660 scb->cmd.basic_io.sg_addr = ha->enq_busaddr;
3661 ret = IPS_SUCCESS;
3662 break;
3663
3664 case READ_CAPACITY:
3665 scb->cmd.logical_info.op_code = IPS_CMD_GET_LD_INFO;
3666 scb->cmd.logical_info.command_id = IPS_COMMAND_ID(ha, scb);
3667 scb->cmd.logical_info.reserved = 0;
3668 scb->cmd.logical_info.reserved2 = 0;
3669 scb->cmd.logical_info.reserved3 = 0;
3670 scb->data_len = sizeof (IPS_LD_INFO);
3671 scb->data_busaddr = ha->logical_drive_info_dma_addr;
3672 scb->flags = 0;
3673 scb->cmd.logical_info.buffer_addr = scb->data_busaddr;
3674 ret = IPS_SUCCESS;
3675 break;
3676
3677 case SEND_DIAGNOSTIC:
3678 case REASSIGN_BLOCKS:
3679 case FORMAT_UNIT:
3680 case SEEK_10:
3681 case VERIFY:
3682 case READ_DEFECT_DATA:
3683 case READ_BUFFER:
3684 case WRITE_BUFFER:
3685 scb->scsi_cmd->result = DID_OK << 16;
3686 break;
3687
3688 default:
3689 /* Set the Return Info to appear like the Command was */
3690 /* attempted, a Check Condition occurred, and Sense */
3691 /* Data indicating an Invalid CDB OpCode is returned. */
3692 sp = (char *) scb->scsi_cmd->sense_buffer;
3693
3694 sp[0] = 0x70; /* Error Code */
3695 sp[2] = ILLEGAL_REQUEST; /* Sense Key 5 Illegal Req. */
3696 sp[7] = 0x0A; /* Additional Sense Length */
3697 sp[12] = 0x20; /* ASC = Invalid OpCode */
3698 sp[13] = 0x00; /* ASCQ */
3699
3700 device_error = 2; /* Indicate Check Condition */
3701 scb->scsi_cmd->result = device_error | (DID_OK << 16);
3702 break;
3703 } /* end switch */
3704 }
3705 /* end if */
3706 if (ret == IPS_SUCCESS_IMM)
3707 return (ret);
3708
3709 /* setup DCDB */
3710 if (scb->bus > 0) {
3711
3712 /* If we already know the Device is Not there, no need to attempt a Command */
3713 /* This also protects an NT FailOver Controller from getting CDB's sent to it */
3714 if (ha->conf->dev[scb->bus - 1][scb->target_id].ucState == 0) {
3715 scb->scsi_cmd->result = DID_NO_CONNECT << 16;
3716 return (IPS_SUCCESS_IMM);
3717 }
3718
3719 ha->dcdb_active[scb->bus - 1] |= (1 << scb->target_id);
3720 scb->cmd.dcdb.command_id = IPS_COMMAND_ID(ha, scb);
3721 scb->cmd.dcdb.dcdb_address = cpu_to_le32(scb->scb_busaddr +
3722 (unsigned long) &scb->
3723 dcdb -
3724 (unsigned long) scb);
3725 scb->cmd.dcdb.reserved = 0;
3726 scb->cmd.dcdb.reserved2 = 0;
3727 scb->cmd.dcdb.reserved3 = 0;
3728 scb->cmd.dcdb.segment_4G = 0;
3729 scb->cmd.dcdb.enhanced_sg = 0;
3730
3731 TimeOut = scb->scsi_cmd->request->timeout;
3732
3733 if (ha->subsys->param[4] & 0x00100000) { /* If NEW Tape DCDB is Supported */
3734 if (!scb->sg_len) {
3735 scb->cmd.dcdb.op_code = IPS_CMD_EXTENDED_DCDB;
3736 } else {
3737 scb->cmd.dcdb.op_code =
3738 IPS_CMD_EXTENDED_DCDB_SG;
3739 scb->cmd.dcdb.enhanced_sg =
3740 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3741 }
3742
3743 tapeDCDB = (IPS_DCDB_TABLE_TAPE *) & scb->dcdb; /* Use Same Data Area as Old DCDB Struct */
3744 tapeDCDB->device_address =
3745 ((scb->bus - 1) << 4) | scb->target_id;
3746 tapeDCDB->cmd_attribute |= IPS_DISCONNECT_ALLOWED;
3747 tapeDCDB->cmd_attribute &= ~IPS_TRANSFER64K; /* Always Turn OFF 64K Size Flag */
3748
3749 if (TimeOut) {
3750 if (TimeOut < (10 * HZ))
3751 tapeDCDB->cmd_attribute |= IPS_TIMEOUT10; /* TimeOut is 10 Seconds */
3752 else if (TimeOut < (60 * HZ))
3753 tapeDCDB->cmd_attribute |= IPS_TIMEOUT60; /* TimeOut is 60 Seconds */
3754 else if (TimeOut < (1200 * HZ))
3755 tapeDCDB->cmd_attribute |= IPS_TIMEOUT20M; /* TimeOut is 20 Minutes */
3756 }
3757
3758 tapeDCDB->cdb_length = scb->scsi_cmd->cmd_len;
3759 tapeDCDB->reserved_for_LUN = 0;
3760 tapeDCDB->transfer_length = scb->data_len;
3761 if (scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB_SG)
3762 tapeDCDB->buffer_pointer =
3763 cpu_to_le32(scb->sg_busaddr);
3764 else
3765 tapeDCDB->buffer_pointer =
3766 cpu_to_le32(scb->data_busaddr);
3767 tapeDCDB->sg_count = scb->sg_len;
3768 tapeDCDB->sense_length = sizeof (tapeDCDB->sense_info);
3769 tapeDCDB->scsi_status = 0;
3770 tapeDCDB->reserved = 0;
3771 memcpy(tapeDCDB->scsi_cdb, scb->scsi_cmd->cmnd,
3772 scb->scsi_cmd->cmd_len);
3773 } else {
3774 if (!scb->sg_len) {
3775 scb->cmd.dcdb.op_code = IPS_CMD_DCDB;
3776 } else {
3777 scb->cmd.dcdb.op_code = IPS_CMD_DCDB_SG;
3778 scb->cmd.dcdb.enhanced_sg =
3779 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3780 }
3781
3782 scb->dcdb.device_address =
3783 ((scb->bus - 1) << 4) | scb->target_id;
3784 scb->dcdb.cmd_attribute |= IPS_DISCONNECT_ALLOWED;
3785
3786 if (TimeOut) {
3787 if (TimeOut < (10 * HZ))
3788 scb->dcdb.cmd_attribute |= IPS_TIMEOUT10; /* TimeOut is 10 Seconds */
3789 else if (TimeOut < (60 * HZ))
3790 scb->dcdb.cmd_attribute |= IPS_TIMEOUT60; /* TimeOut is 60 Seconds */
3791 else if (TimeOut < (1200 * HZ))
3792 scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M; /* TimeOut is 20 Minutes */
3793 }
3794
3795 scb->dcdb.transfer_length = scb->data_len;
3796 if (scb->dcdb.cmd_attribute & IPS_TRANSFER64K)
3797 scb->dcdb.transfer_length = 0;
3798 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB_SG)
3799 scb->dcdb.buffer_pointer =
3800 cpu_to_le32(scb->sg_busaddr);
3801 else
3802 scb->dcdb.buffer_pointer =
3803 cpu_to_le32(scb->data_busaddr);
3804 scb->dcdb.cdb_length = scb->scsi_cmd->cmd_len;
3805 scb->dcdb.sense_length = sizeof (scb->dcdb.sense_info);
3806 scb->dcdb.sg_count = scb->sg_len;
3807 scb->dcdb.reserved = 0;
3808 memcpy(scb->dcdb.scsi_cdb, scb->scsi_cmd->cmnd,
3809 scb->scsi_cmd->cmd_len);
3810 scb->dcdb.scsi_status = 0;
3811 scb->dcdb.reserved2[0] = 0;
3812 scb->dcdb.reserved2[1] = 0;
3813 scb->dcdb.reserved2[2] = 0;
3814 }
3815 }
3816
3817 return ((*ha->func.issue) (ha, scb));
3818 }
3819
3820 /****************************************************************************/
3821 /* */
3822 /* Routine Name: ips_chk_status */
3823 /* */
3824 /* Routine Description: */
3825 /* */
3826 /* Check the status of commands to logical drives */
3827 /* Assumed to be called with the HA lock */
3828 /****************************************************************************/
3829 static void
3830 ips_chkstatus(ips_ha_t * ha, IPS_STATUS * pstatus)
3831 {
3832 ips_scb_t *scb;
3833 ips_stat_t *sp;
3834 uint8_t basic_status;
3835 uint8_t ext_status;
3836 int errcode;
3837 IPS_SCSI_INQ_DATA inquiryData;
3838
3839 METHOD_TRACE("ips_chkstatus", 1);
3840
3841 scb = &ha->scbs[pstatus->fields.command_id];
3842 scb->basic_status = basic_status =
3843 pstatus->fields.basic_status & IPS_BASIC_STATUS_MASK;
3844 scb->extended_status = ext_status = pstatus->fields.extended_status;
3845
3846 sp = &ha->sp;
3847 sp->residue_len = 0;
3848 sp->scb_addr = (void *) scb;
3849
3850 /* Remove the item from the active queue */
3851 ips_removeq_scb(&ha->scb_activelist, scb);
3852
3853 if (!scb->scsi_cmd)
3854 /* internal commands are handled in do_ipsintr */
3855 return;
3856
3857 DEBUG_VAR(2, "(%s%d) ips_chkstatus: cmd 0x%X id %d (%d %d %d)",
3858 ips_name,
3859 ha->host_num,
3860 scb->cdb[0],
3861 scb->cmd.basic_io.command_id,
3862 scb->bus, scb->target_id, scb->lun);
3863
3864 if ((scb->scsi_cmd) && (ips_is_passthru(scb->scsi_cmd)))
3865 /* passthru - just returns the raw result */
3866 return;
3867
3868 errcode = DID_OK;
3869
3870 if (((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_SUCCESS) ||
3871 ((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_RECOVERED_ERROR)) {
3872
3873 if (scb->bus == 0) {
3874 if ((basic_status & IPS_GSC_STATUS_MASK) ==
3875 IPS_CMD_RECOVERED_ERROR) {
3876 DEBUG_VAR(1,
3877 "(%s%d) Recovered Logical Drive Error OpCode: %x, BSB: %x, ESB: %x",
3878 ips_name, ha->host_num,
3879 scb->cmd.basic_io.op_code,
3880 basic_status, ext_status);
3881 }
3882
3883 switch (scb->scsi_cmd->cmnd[0]) {
3884 case ALLOW_MEDIUM_REMOVAL:
3885 case REZERO_UNIT:
3886 case ERASE:
3887 case WRITE_FILEMARKS:
3888 case SPACE:
3889 errcode = DID_ERROR;
3890 break;
3891
3892 case START_STOP:
3893 break;
3894
3895 case TEST_UNIT_READY:
3896 if (!ips_online(ha, scb)) {
3897 errcode = DID_TIME_OUT;
3898 }
3899 break;
3900
3901 case INQUIRY:
3902 if (ips_online(ha, scb)) {
3903 ips_inquiry(ha, scb);
3904 } else {
3905 errcode = DID_TIME_OUT;
3906 }
3907 break;
3908
3909 case REQUEST_SENSE:
3910 ips_reqsen(ha, scb);
3911 break;
3912
3913 case READ_6:
3914 case WRITE_6:
3915 case READ_10:
3916 case WRITE_10:
3917 case RESERVE:
3918 case RELEASE:
3919 break;
3920
3921 case MODE_SENSE:
3922 if (!ips_online(ha, scb)
3923 || !ips_msense(ha, scb)) {
3924 errcode = DID_ERROR;
3925 }
3926 break;
3927
3928 case READ_CAPACITY:
3929 if (ips_online(ha, scb))
3930 ips_rdcap(ha, scb);
3931 else {
3932 errcode = DID_TIME_OUT;
3933 }
3934 break;
3935
3936 case SEND_DIAGNOSTIC:
3937 case REASSIGN_BLOCKS:
3938 break;
3939
3940 case FORMAT_UNIT:
3941 errcode = DID_ERROR;
3942 break;
3943
3944 case SEEK_10:
3945 case VERIFY:
3946 case READ_DEFECT_DATA:
3947 case READ_BUFFER:
3948 case WRITE_BUFFER:
3949 break;
3950
3951 default:
3952 errcode = DID_ERROR;
3953 } /* end switch */
3954
3955 scb->scsi_cmd->result = errcode << 16;
3956 } else { /* bus == 0 */
3957 /* restrict access to physical drives */
3958 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
3959 ips_scmd_buf_read(scb->scsi_cmd,
3960 &inquiryData, sizeof (inquiryData));
3961 if ((inquiryData.DeviceType & 0x1f) == TYPE_DISK)
3962 scb->scsi_cmd->result = DID_TIME_OUT << 16;
3963 }
3964 } /* else */
3965 } else { /* recovered error / success */
3966 if (scb->bus == 0) {
3967 DEBUG_VAR(1,
3968 "(%s%d) Unrecovered Logical Drive Error OpCode: %x, BSB: %x, ESB: %x",
3969 ips_name, ha->host_num,
3970 scb->cmd.basic_io.op_code, basic_status,
3971 ext_status);
3972 }
3973
3974 ips_map_status(ha, scb, sp);
3975 } /* else */
3976 }
3977
3978 /****************************************************************************/
3979 /* */
3980 /* Routine Name: ips_online */
3981 /* */
3982 /* Routine Description: */
3983 /* */
3984 /* Determine if a logical drive is online */
3985 /* */
3986 /****************************************************************************/
3987 static int
3988 ips_online(ips_ha_t * ha, ips_scb_t * scb)
3989 {
3990 METHOD_TRACE("ips_online", 1);
3991
3992 if (scb->target_id >= IPS_MAX_LD)
3993 return (0);
3994
3995 if ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1) {
3996 memset(ha->logical_drive_info, 0, sizeof (IPS_LD_INFO));
3997 return (0);
3998 }
3999
4000 if (ha->logical_drive_info->drive_info[scb->target_id].state !=
4001 IPS_LD_OFFLINE
4002 && ha->logical_drive_info->drive_info[scb->target_id].state !=
4003 IPS_LD_FREE
4004 && ha->logical_drive_info->drive_info[scb->target_id].state !=
4005 IPS_LD_CRS
4006 && ha->logical_drive_info->drive_info[scb->target_id].state !=
4007 IPS_LD_SYS)
4008 return (1);
4009 else
4010 return (0);
4011 }
4012
4013 /****************************************************************************/
4014 /* */
4015 /* Routine Name: ips_inquiry */
4016 /* */
4017 /* Routine Description: */
4018 /* */
4019 /* Simulate an inquiry command to a logical drive */
4020 /* */
4021 /****************************************************************************/
4022 static int
4023 ips_inquiry(ips_ha_t * ha, ips_scb_t * scb)
4024 {
4025 IPS_SCSI_INQ_DATA inquiry;
4026
4027 METHOD_TRACE("ips_inquiry", 1);
4028
4029 memset(&inquiry, 0, sizeof (IPS_SCSI_INQ_DATA));
4030
4031 inquiry.DeviceType = IPS_SCSI_INQ_TYPE_DASD;
4032 inquiry.DeviceTypeQualifier = IPS_SCSI_INQ_LU_CONNECTED;
4033 inquiry.Version = IPS_SCSI_INQ_REV2;
4034 inquiry.ResponseDataFormat = IPS_SCSI_INQ_RD_REV2;
4035 inquiry.AdditionalLength = 31;
4036 inquiry.Flags[0] = IPS_SCSI_INQ_Address16;
4037 inquiry.Flags[1] =
4038 IPS_SCSI_INQ_WBus16 | IPS_SCSI_INQ_Sync | IPS_SCSI_INQ_CmdQue;
4039 strncpy(inquiry.VendorId, "IBM ", 8);
4040 strncpy(inquiry.ProductId, "SERVERAID ", 16);
4041 strncpy(inquiry.ProductRevisionLevel, "1.00", 4);
4042
4043 ips_scmd_buf_write(scb->scsi_cmd, &inquiry, sizeof (inquiry));
4044
4045 return (1);
4046 }
4047
4048 /****************************************************************************/
4049 /* */
4050 /* Routine Name: ips_rdcap */
4051 /* */
4052 /* Routine Description: */
4053 /* */
4054 /* Simulate a read capacity command to a logical drive */
4055 /* */
4056 /****************************************************************************/
4057 static int
4058 ips_rdcap(ips_ha_t * ha, ips_scb_t * scb)
4059 {
4060 IPS_SCSI_CAPACITY cap;
4061
4062 METHOD_TRACE("ips_rdcap", 1);
4063
4064 if (scsi_bufflen(scb->scsi_cmd) < 8)
4065 return (0);
4066
4067 cap.lba =
4068 cpu_to_be32(le32_to_cpu
4069 (ha->logical_drive_info->
4070 drive_info[scb->target_id].sector_count) - 1);
4071 cap.len = cpu_to_be32((uint32_t) IPS_BLKSIZE);
4072
4073 ips_scmd_buf_write(scb->scsi_cmd, &cap, sizeof (cap));
4074
4075 return (1);
4076 }
4077
4078 /****************************************************************************/
4079 /* */
4080 /* Routine Name: ips_msense */
4081 /* */
4082 /* Routine Description: */
4083 /* */
4084 /* Simulate a mode sense command to a logical drive */
4085 /* */
4086 /****************************************************************************/
4087 static int
4088 ips_msense(ips_ha_t * ha, ips_scb_t * scb)
4089 {
4090 uint16_t heads;
4091 uint16_t sectors;
4092 uint32_t cylinders;
4093 IPS_SCSI_MODE_PAGE_DATA mdata;
4094
4095 METHOD_TRACE("ips_msense", 1);
4096
4097 if (le32_to_cpu(ha->enq->ulDriveSize[scb->target_id]) > 0x400000 &&
4098 (ha->enq->ucMiscFlag & 0x8) == 0) {
4099 heads = IPS_NORM_HEADS;
4100 sectors = IPS_NORM_SECTORS;
4101 } else {
4102 heads = IPS_COMP_HEADS;
4103 sectors = IPS_COMP_SECTORS;
4104 }
4105
4106 cylinders =
4107 (le32_to_cpu(ha->enq->ulDriveSize[scb->target_id]) -
4108 1) / (heads * sectors);
4109
4110 memset(&mdata, 0, sizeof (IPS_SCSI_MODE_PAGE_DATA));
4111
4112 mdata.hdr.BlockDescLength = 8;
4113
4114 switch (scb->scsi_cmd->cmnd[2] & 0x3f) {
4115 case 0x03: /* page 3 */
4116 mdata.pdata.pg3.PageCode = 3;
4117 mdata.pdata.pg3.PageLength = sizeof (IPS_SCSI_MODE_PAGE3);
4118 mdata.hdr.DataLength =
4119 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg3.PageLength;
4120 mdata.pdata.pg3.TracksPerZone = 0;
4121 mdata.pdata.pg3.AltSectorsPerZone = 0;
4122 mdata.pdata.pg3.AltTracksPerZone = 0;
4123 mdata.pdata.pg3.AltTracksPerVolume = 0;
4124 mdata.pdata.pg3.SectorsPerTrack = cpu_to_be16(sectors);
4125 mdata.pdata.pg3.BytesPerSector = cpu_to_be16(IPS_BLKSIZE);
4126 mdata.pdata.pg3.Interleave = cpu_to_be16(1);
4127 mdata.pdata.pg3.TrackSkew = 0;
4128 mdata.pdata.pg3.CylinderSkew = 0;
4129 mdata.pdata.pg3.flags = IPS_SCSI_MP3_SoftSector;
4130 break;
4131
4132 case 0x4:
4133 mdata.pdata.pg4.PageCode = 4;
4134 mdata.pdata.pg4.PageLength = sizeof (IPS_SCSI_MODE_PAGE4);
4135 mdata.hdr.DataLength =
4136 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg4.PageLength;
4137 mdata.pdata.pg4.CylindersHigh =
4138 cpu_to_be16((cylinders >> 8) & 0xFFFF);
4139 mdata.pdata.pg4.CylindersLow = (cylinders & 0xFF);
4140 mdata.pdata.pg4.Heads = heads;
4141 mdata.pdata.pg4.WritePrecompHigh = 0;
4142 mdata.pdata.pg4.WritePrecompLow = 0;
4143 mdata.pdata.pg4.ReducedWriteCurrentHigh = 0;
4144 mdata.pdata.pg4.ReducedWriteCurrentLow = 0;
4145 mdata.pdata.pg4.StepRate = cpu_to_be16(1);
4146 mdata.pdata.pg4.LandingZoneHigh = 0;
4147 mdata.pdata.pg4.LandingZoneLow = 0;
4148 mdata.pdata.pg4.flags = 0;
4149 mdata.pdata.pg4.RotationalOffset = 0;
4150 mdata.pdata.pg4.MediumRotationRate = 0;
4151 break;
4152 case 0x8:
4153 mdata.pdata.pg8.PageCode = 8;
4154 mdata.pdata.pg8.PageLength = sizeof (IPS_SCSI_MODE_PAGE8);
4155 mdata.hdr.DataLength =
4156 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg8.PageLength;
4157 /* everything else is left set to 0 */
4158 break;
4159
4160 default:
4161 return (0);
4162 } /* end switch */
4163
4164 ips_scmd_buf_write(scb->scsi_cmd, &mdata, sizeof (mdata));
4165
4166 return (1);
4167 }
4168
4169 /****************************************************************************/
4170 /* */
4171 /* Routine Name: ips_reqsen */
4172 /* */
4173 /* Routine Description: */
4174 /* */
4175 /* Simulate a request sense command to a logical drive */
4176 /* */
4177 /****************************************************************************/
4178 static int
4179 ips_reqsen(ips_ha_t * ha, ips_scb_t * scb)
4180 {
4181 IPS_SCSI_REQSEN reqsen;
4182
4183 METHOD_TRACE("ips_reqsen", 1);
4184
4185 memset(&reqsen, 0, sizeof (IPS_SCSI_REQSEN));
4186
4187 reqsen.ResponseCode =
4188 IPS_SCSI_REQSEN_VALID | IPS_SCSI_REQSEN_CURRENT_ERR;
4189 reqsen.AdditionalLength = 10;
4190 reqsen.AdditionalSenseCode = IPS_SCSI_REQSEN_NO_SENSE;
4191 reqsen.AdditionalSenseCodeQual = IPS_SCSI_REQSEN_NO_SENSE;
4192
4193 ips_scmd_buf_write(scb->scsi_cmd, &reqsen, sizeof (reqsen));
4194
4195 return (1);
4196 }
4197
4198 /****************************************************************************/
4199 /* */
4200 /* Routine Name: ips_free */
4201 /* */
4202 /* Routine Description: */
4203 /* */
4204 /* Free any allocated space for this controller */
4205 /* */
4206 /****************************************************************************/
4207 static void
4208 ips_free(ips_ha_t * ha)
4209 {
4210
4211 METHOD_TRACE("ips_free", 1);
4212
4213 if (ha) {
4214 if (ha->enq) {
4215 pci_free_consistent(ha->pcidev, sizeof(IPS_ENQ),
4216 ha->enq, ha->enq_busaddr);
4217 ha->enq = NULL;
4218 }
4219
4220 kfree(ha->conf);
4221 ha->conf = NULL;
4222
4223 if (ha->adapt) {
4224 pci_free_consistent(ha->pcidev,
4225 sizeof (IPS_ADAPTER) +
4226 sizeof (IPS_IO_CMD), ha->adapt,
4227 ha->adapt->hw_status_start);
4228 ha->adapt = NULL;
4229 }
4230
4231 if (ha->logical_drive_info) {
4232 pci_free_consistent(ha->pcidev,
4233 sizeof (IPS_LD_INFO),
4234 ha->logical_drive_info,
4235 ha->logical_drive_info_dma_addr);
4236 ha->logical_drive_info = NULL;
4237 }
4238
4239 kfree(ha->nvram);
4240 ha->nvram = NULL;
4241
4242 kfree(ha->subsys);
4243 ha->subsys = NULL;
4244
4245 if (ha->ioctl_data) {
4246 pci_free_consistent(ha->pcidev, ha->ioctl_len,
4247 ha->ioctl_data, ha->ioctl_busaddr);
4248 ha->ioctl_data = NULL;
4249 ha->ioctl_datasize = 0;
4250 ha->ioctl_len = 0;
4251 }
4252 ips_deallocatescbs(ha, ha->max_cmds);
4253
4254 /* free memory mapped (if applicable) */
4255 if (ha->mem_ptr) {
4256 iounmap(ha->ioremap_ptr);
4257 ha->ioremap_ptr = NULL;
4258 ha->mem_ptr = NULL;
4259 }
4260
4261 ha->mem_addr = 0;
4262
4263 }
4264 }
4265
4266 /****************************************************************************/
4267 /* */
4268 /* Routine Name: ips_deallocatescbs */
4269 /* */
4270 /* Routine Description: */
4271 /* */
4272 /* Free the command blocks */
4273 /* */
4274 /****************************************************************************/
4275 static int
4276 ips_deallocatescbs(ips_ha_t * ha, int cmds)
4277 {
4278 if (ha->scbs) {
4279 pci_free_consistent(ha->pcidev,
4280 IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * cmds,
4281 ha->scbs->sg_list.list,
4282 ha->scbs->sg_busaddr);
4283 pci_free_consistent(ha->pcidev, sizeof (ips_scb_t) * cmds,
4284 ha->scbs, ha->scbs->scb_busaddr);
4285 ha->scbs = NULL;
4286 } /* end if */
4287 return 1;
4288 }
4289
4290 /****************************************************************************/
4291 /* */
4292 /* Routine Name: ips_allocatescbs */
4293 /* */
4294 /* Routine Description: */
4295 /* */
4296 /* Allocate the command blocks */
4297 /* */
4298 /****************************************************************************/
4299 static int
4300 ips_allocatescbs(ips_ha_t * ha)
4301 {
4302 ips_scb_t *scb_p;
4303 IPS_SG_LIST ips_sg;
4304 int i;
4305 dma_addr_t command_dma, sg_dma;
4306
4307 METHOD_TRACE("ips_allocatescbs", 1);
4308
4309 /* Allocate memory for the SCBs */
4310 ha->scbs =
4311 pci_alloc_consistent(ha->pcidev, ha->max_cmds * sizeof (ips_scb_t),
4312 &command_dma);
4313 if (ha->scbs == NULL)
4314 return 0;
4315 ips_sg.list =
4316 pci_alloc_consistent(ha->pcidev,
4317 IPS_SGLIST_SIZE(ha) * IPS_MAX_SG *
4318 ha->max_cmds, &sg_dma);
4319 if (ips_sg.list == NULL) {
4320 pci_free_consistent(ha->pcidev,
4321 ha->max_cmds * sizeof (ips_scb_t), ha->scbs,
4322 command_dma);
4323 return 0;
4324 }
4325
4326 memset(ha->scbs, 0, ha->max_cmds * sizeof (ips_scb_t));
4327
4328 for (i = 0; i < ha->max_cmds; i++) {
4329 scb_p = &ha->scbs[i];
4330 scb_p->scb_busaddr = command_dma + sizeof (ips_scb_t) * i;
4331 /* set up S/G list */
4332 if (IPS_USE_ENH_SGLIST(ha)) {
4333 scb_p->sg_list.enh_list =
4334 ips_sg.enh_list + i * IPS_MAX_SG;
4335 scb_p->sg_busaddr =
4336 sg_dma + IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * i;
4337 } else {
4338 scb_p->sg_list.std_list =
4339 ips_sg.std_list + i * IPS_MAX_SG;
4340 scb_p->sg_busaddr =
4341 sg_dma + IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * i;
4342 }
4343
4344 /* add to the free list */
4345 if (i < ha->max_cmds - 1) {
4346 scb_p->q_next = ha->scb_freelist;
4347 ha->scb_freelist = scb_p;
4348 }
4349 }
4350
4351 /* success */
4352 return (1);
4353 }
4354
4355 /****************************************************************************/
4356 /* */
4357 /* Routine Name: ips_init_scb */
4358 /* */
4359 /* Routine Description: */
4360 /* */
4361 /* Initialize a CCB to default values */
4362 /* */
4363 /****************************************************************************/
4364 static void
4365 ips_init_scb(ips_ha_t * ha, ips_scb_t * scb)
4366 {
4367 IPS_SG_LIST sg_list;
4368 uint32_t cmd_busaddr, sg_busaddr;
4369 METHOD_TRACE("ips_init_scb", 1);
4370
4371 if (scb == NULL)
4372 return;
4373
4374 sg_list.list = scb->sg_list.list;
4375 cmd_busaddr = scb->scb_busaddr;
4376 sg_busaddr = scb->sg_busaddr;
4377 /* zero fill */
4378 memset(scb, 0, sizeof (ips_scb_t));
4379 memset(ha->dummy, 0, sizeof (IPS_IO_CMD));
4380
4381 /* Initialize dummy command bucket */
4382 ha->dummy->op_code = 0xFF;
4383 ha->dummy->ccsar = cpu_to_le32(ha->adapt->hw_status_start
4384 + sizeof (IPS_ADAPTER));
4385 ha->dummy->command_id = IPS_MAX_CMDS;
4386
4387 /* set bus address of scb */
4388 scb->scb_busaddr = cmd_busaddr;
4389 scb->sg_busaddr = sg_busaddr;
4390 scb->sg_list.list = sg_list.list;
4391
4392 /* Neptune Fix */
4393 scb->cmd.basic_io.cccr = cpu_to_le32((uint32_t) IPS_BIT_ILE);
4394 scb->cmd.basic_io.ccsar = cpu_to_le32(ha->adapt->hw_status_start
4395 + sizeof (IPS_ADAPTER));
4396 }
4397
4398 /****************************************************************************/
4399 /* */
4400 /* Routine Name: ips_get_scb */
4401 /* */
4402 /* Routine Description: */
4403 /* */
4404 /* Initialize a CCB to default values */
4405 /* */
4406 /* ASSUMED to be called from within a lock */
4407 /* */
4408 /****************************************************************************/
4409 static ips_scb_t *
4410 ips_getscb(ips_ha_t * ha)
4411 {
4412 ips_scb_t *scb;
4413
4414 METHOD_TRACE("ips_getscb", 1);
4415
4416 if ((scb = ha->scb_freelist) == NULL) {
4417
4418 return (NULL);
4419 }
4420
4421 ha->scb_freelist = scb->q_next;
4422 scb->flags = 0;
4423 scb->q_next = NULL;
4424
4425 ips_init_scb(ha, scb);
4426
4427 return (scb);
4428 }
4429
4430 /****************************************************************************/
4431 /* */
4432 /* Routine Name: ips_free_scb */
4433 /* */
4434 /* Routine Description: */
4435 /* */
4436 /* Return an unused CCB back to the free list */
4437 /* */
4438 /* ASSUMED to be called from within a lock */
4439 /* */
4440 /****************************************************************************/
4441 static void
4442 ips_freescb(ips_ha_t * ha, ips_scb_t * scb)
4443 {
4444
4445 METHOD_TRACE("ips_freescb", 1);
4446 if (scb->flags & IPS_SCB_MAP_SG)
4447 scsi_dma_unmap(scb->scsi_cmd);
4448 else if (scb->flags & IPS_SCB_MAP_SINGLE)
4449 pci_unmap_single(ha->pcidev, scb->data_busaddr, scb->data_len,
4450 IPS_DMA_DIR(scb));
4451
4452 /* check to make sure this is not our "special" scb */
4453 if (IPS_COMMAND_ID(ha, scb) < (ha->max_cmds - 1)) {
4454 scb->q_next = ha->scb_freelist;
4455 ha->scb_freelist = scb;
4456 }
4457 }
4458
4459 /****************************************************************************/
4460 /* */
4461 /* Routine Name: ips_isinit_copperhead */
4462 /* */
4463 /* Routine Description: */
4464 /* */
4465 /* Is controller initialized ? */
4466 /* */
4467 /****************************************************************************/
4468 static int
4469 ips_isinit_copperhead(ips_ha_t * ha)
4470 {
4471 uint8_t scpr;
4472 uint8_t isr;
4473
4474 METHOD_TRACE("ips_isinit_copperhead", 1);
4475
4476 isr = inb(ha->io_addr + IPS_REG_HISR);
4477 scpr = inb(ha->io_addr + IPS_REG_SCPR);
4478
4479 if (((isr & IPS_BIT_EI) == 0) && ((scpr & IPS_BIT_EBM) == 0))
4480 return (0);
4481 else
4482 return (1);
4483 }
4484
4485 /****************************************************************************/
4486 /* */
4487 /* Routine Name: ips_isinit_copperhead_memio */
4488 /* */
4489 /* Routine Description: */
4490 /* */
4491 /* Is controller initialized ? */
4492 /* */
4493 /****************************************************************************/
4494 static int
4495 ips_isinit_copperhead_memio(ips_ha_t * ha)
4496 {
4497 uint8_t isr = 0;
4498 uint8_t scpr;
4499
4500 METHOD_TRACE("ips_is_init_copperhead_memio", 1);
4501
4502 isr = readb(ha->mem_ptr + IPS_REG_HISR);
4503 scpr = readb(ha->mem_ptr + IPS_REG_SCPR);
4504
4505 if (((isr & IPS_BIT_EI) == 0) && ((scpr & IPS_BIT_EBM) == 0))
4506 return (0);
4507 else
4508 return (1);
4509 }
4510
4511 /****************************************************************************/
4512 /* */
4513 /* Routine Name: ips_isinit_morpheus */
4514 /* */
4515 /* Routine Description: */
4516 /* */
4517 /* Is controller initialized ? */
4518 /* */
4519 /****************************************************************************/
4520 static int
4521 ips_isinit_morpheus(ips_ha_t * ha)
4522 {
4523 uint32_t post;
4524 uint32_t bits;
4525
4526 METHOD_TRACE("ips_is_init_morpheus", 1);
4527
4528 if (ips_isintr_morpheus(ha))
4529 ips_flush_and_reset(ha);
4530
4531 post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
4532 bits = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
4533
4534 if (post == 0)
4535 return (0);
4536 else if (bits & 0x3)
4537 return (0);
4538 else
4539 return (1);
4540 }
4541
4542 /****************************************************************************/
4543 /* */
4544 /* Routine Name: ips_flush_and_reset */
4545 /* */
4546 /* Routine Description: */
4547 /* */
4548 /* Perform cleanup ( FLUSH and RESET ) when the adapter is in an unknown */
4549 /* state ( was trying to INIT and an interrupt was already pending ) ... */
4550 /* */
4551 /****************************************************************************/
4552 static void
4553 ips_flush_and_reset(ips_ha_t *ha)
4554 {
4555 ips_scb_t *scb;
4556 int ret;
4557 int time;
4558 int done;
4559 dma_addr_t command_dma;
4560
4561 /* Create a usuable SCB */
4562 scb = pci_alloc_consistent(ha->pcidev, sizeof(ips_scb_t), &command_dma);
4563 if (scb) {
4564 memset(scb, 0, sizeof(ips_scb_t));
4565 ips_init_scb(ha, scb);
4566 scb->scb_busaddr = command_dma;
4567
4568 scb->timeout = ips_cmd_timeout;
4569 scb->cdb[0] = IPS_CMD_FLUSH;
4570
4571 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
4572 scb->cmd.flush_cache.command_id = IPS_MAX_CMDS; /* Use an ID that would otherwise not exist */
4573 scb->cmd.flush_cache.state = IPS_NORM_STATE;
4574 scb->cmd.flush_cache.reserved = 0;
4575 scb->cmd.flush_cache.reserved2 = 0;
4576 scb->cmd.flush_cache.reserved3 = 0;
4577 scb->cmd.flush_cache.reserved4 = 0;
4578
4579 ret = ips_send_cmd(ha, scb); /* Send the Flush Command */
4580
4581 if (ret == IPS_SUCCESS) {
4582 time = 60 * IPS_ONE_SEC; /* Max Wait time is 60 seconds */
4583 done = 0;
4584
4585 while ((time > 0) && (!done)) {
4586 done = ips_poll_for_flush_complete(ha);
4587 /* This may look evil, but it's only done during extremely rare start-up conditions ! */
4588 udelay(1000);
4589 time--;
4590 }
4591 }
4592 }
4593
4594 /* Now RESET and INIT the adapter */
4595 (*ha->func.reset) (ha);
4596
4597 pci_free_consistent(ha->pcidev, sizeof(ips_scb_t), scb, command_dma);
4598 return;
4599 }
4600
4601 /****************************************************************************/
4602 /* */
4603 /* Routine Name: ips_poll_for_flush_complete */
4604 /* */
4605 /* Routine Description: */
4606 /* */
4607 /* Poll for the Flush Command issued by ips_flush_and_reset() to complete */
4608 /* All other responses are just taken off the queue and ignored */
4609 /* */
4610 /****************************************************************************/
4611 static int
4612 ips_poll_for_flush_complete(ips_ha_t * ha)
4613 {
4614 IPS_STATUS cstatus;
4615
4616 while (TRUE) {
4617 cstatus.value = (*ha->func.statupd) (ha);
4618
4619 if (cstatus.value == 0xffffffff) /* If No Interrupt to process */
4620 break;
4621
4622 /* Success is when we see the Flush Command ID */
4623 if (cstatus.fields.command_id == IPS_MAX_CMDS)
4624 return 1;
4625 }
4626
4627 return 0;
4628 }
4629
4630 /****************************************************************************/
4631 /* */
4632 /* Routine Name: ips_enable_int_copperhead */
4633 /* */
4634 /* Routine Description: */
4635 /* Turn on interrupts */
4636 /* */
4637 /****************************************************************************/
4638 static void
4639 ips_enable_int_copperhead(ips_ha_t * ha)
4640 {
4641 METHOD_TRACE("ips_enable_int_copperhead", 1);
4642
4643 outb(ha->io_addr + IPS_REG_HISR, IPS_BIT_EI);
4644 inb(ha->io_addr + IPS_REG_HISR); /*Ensure PCI Posting Completes*/
4645 }
4646
4647 /****************************************************************************/
4648 /* */
4649 /* Routine Name: ips_enable_int_copperhead_memio */
4650 /* */
4651 /* Routine Description: */
4652 /* Turn on interrupts */
4653 /* */
4654 /****************************************************************************/
4655 static void
4656 ips_enable_int_copperhead_memio(ips_ha_t * ha)
4657 {
4658 METHOD_TRACE("ips_enable_int_copperhead_memio", 1);
4659
4660 writeb(IPS_BIT_EI, ha->mem_ptr + IPS_REG_HISR);
4661 readb(ha->mem_ptr + IPS_REG_HISR); /*Ensure PCI Posting Completes*/
4662 }
4663
4664 /****************************************************************************/
4665 /* */
4666 /* Routine Name: ips_enable_int_morpheus */
4667 /* */
4668 /* Routine Description: */
4669 /* Turn on interrupts */
4670 /* */
4671 /****************************************************************************/
4672 static void
4673 ips_enable_int_morpheus(ips_ha_t * ha)
4674 {
4675 uint32_t Oimr;
4676
4677 METHOD_TRACE("ips_enable_int_morpheus", 1);
4678
4679 Oimr = readl(ha->mem_ptr + IPS_REG_I960_OIMR);
4680 Oimr &= ~0x08;
4681 writel(Oimr, ha->mem_ptr + IPS_REG_I960_OIMR);
4682 readl(ha->mem_ptr + IPS_REG_I960_OIMR); /*Ensure PCI Posting Completes*/
4683 }
4684
4685 /****************************************************************************/
4686 /* */
4687 /* Routine Name: ips_init_copperhead */
4688 /* */
4689 /* Routine Description: */
4690 /* */
4691 /* Initialize a copperhead controller */
4692 /* */
4693 /****************************************************************************/
4694 static int
4695 ips_init_copperhead(ips_ha_t * ha)
4696 {
4697 uint8_t Isr;
4698 uint8_t Cbsp;
4699 uint8_t PostByte[IPS_MAX_POST_BYTES];
4700 uint8_t ConfigByte[IPS_MAX_CONFIG_BYTES];
4701 int i, j;
4702
4703 METHOD_TRACE("ips_init_copperhead", 1);
4704
4705 for (i = 0; i < IPS_MAX_POST_BYTES; i++) {
4706 for (j = 0; j < 45; j++) {
4707 Isr = inb(ha->io_addr + IPS_REG_HISR);
4708 if (Isr & IPS_BIT_GHI)
4709 break;
4710
4711 /* Delay for 1 Second */
4712 MDELAY(IPS_ONE_SEC);
4713 }
4714
4715 if (j >= 45)
4716 /* error occurred */
4717 return (0);
4718
4719 PostByte[i] = inb(ha->io_addr + IPS_REG_ISPR);
4720 outb(Isr, ha->io_addr + IPS_REG_HISR);
4721 }
4722
4723 if (PostByte[0] < IPS_GOOD_POST_STATUS) {
4724 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4725 "reset controller fails (post status %x %x).\n",
4726 PostByte[0], PostByte[1]);
4727
4728 return (0);
4729 }
4730
4731 for (i = 0; i < IPS_MAX_CONFIG_BYTES; i++) {
4732 for (j = 0; j < 240; j++) {
4733 Isr = inb(ha->io_addr + IPS_REG_HISR);
4734 if (Isr & IPS_BIT_GHI)
4735 break;
4736
4737 /* Delay for 1 Second */
4738 MDELAY(IPS_ONE_SEC);
4739 }
4740
4741 if (j >= 240)
4742 /* error occurred */
4743 return (0);
4744
4745 ConfigByte[i] = inb(ha->io_addr + IPS_REG_ISPR);
4746 outb(Isr, ha->io_addr + IPS_REG_HISR);
4747 }
4748
4749 for (i = 0; i < 240; i++) {
4750 Cbsp = inb(ha->io_addr + IPS_REG_CBSP);
4751
4752 if ((Cbsp & IPS_BIT_OP) == 0)
4753 break;
4754
4755 /* Delay for 1 Second */
4756 MDELAY(IPS_ONE_SEC);
4757 }
4758
4759 if (i >= 240)
4760 /* reset failed */
4761 return (0);
4762
4763 /* setup CCCR */
4764 outl(0x1010, ha->io_addr + IPS_REG_CCCR);
4765
4766 /* Enable busmastering */
4767 outb(IPS_BIT_EBM, ha->io_addr + IPS_REG_SCPR);
4768
4769 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
4770 /* fix for anaconda64 */
4771 outl(0, ha->io_addr + IPS_REG_NDAE);
4772
4773 /* Enable interrupts */
4774 outb(IPS_BIT_EI, ha->io_addr + IPS_REG_HISR);
4775
4776 return (1);
4777 }
4778
4779 /****************************************************************************/
4780 /* */
4781 /* Routine Name: ips_init_copperhead_memio */
4782 /* */
4783 /* Routine Description: */
4784 /* */
4785 /* Initialize a copperhead controller with memory mapped I/O */
4786 /* */
4787 /****************************************************************************/
4788 static int
4789 ips_init_copperhead_memio(ips_ha_t * ha)
4790 {
4791 uint8_t Isr = 0;
4792 uint8_t Cbsp;
4793 uint8_t PostByte[IPS_MAX_POST_BYTES];
4794 uint8_t ConfigByte[IPS_MAX_CONFIG_BYTES];
4795 int i, j;
4796
4797 METHOD_TRACE("ips_init_copperhead_memio", 1);
4798
4799 for (i = 0; i < IPS_MAX_POST_BYTES; i++) {
4800 for (j = 0; j < 45; j++) {
4801 Isr = readb(ha->mem_ptr + IPS_REG_HISR);
4802 if (Isr & IPS_BIT_GHI)
4803 break;
4804
4805 /* Delay for 1 Second */
4806 MDELAY(IPS_ONE_SEC);
4807 }
4808
4809 if (j >= 45)
4810 /* error occurred */
4811 return (0);
4812
4813 PostByte[i] = readb(ha->mem_ptr + IPS_REG_ISPR);
4814 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
4815 }
4816
4817 if (PostByte[0] < IPS_GOOD_POST_STATUS) {
4818 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4819 "reset controller fails (post status %x %x).\n",
4820 PostByte[0], PostByte[1]);
4821
4822 return (0);
4823 }
4824
4825 for (i = 0; i < IPS_MAX_CONFIG_BYTES; i++) {
4826 for (j = 0; j < 240; j++) {
4827 Isr = readb(ha->mem_ptr + IPS_REG_HISR);
4828 if (Isr & IPS_BIT_GHI)
4829 break;
4830
4831 /* Delay for 1 Second */
4832 MDELAY(IPS_ONE_SEC);
4833 }
4834
4835 if (j >= 240)
4836 /* error occurred */
4837 return (0);
4838
4839 ConfigByte[i] = readb(ha->mem_ptr + IPS_REG_ISPR);
4840 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
4841 }
4842
4843 for (i = 0; i < 240; i++) {
4844 Cbsp = readb(ha->mem_ptr + IPS_REG_CBSP);
4845
4846 if ((Cbsp & IPS_BIT_OP) == 0)
4847 break;
4848
4849 /* Delay for 1 Second */
4850 MDELAY(IPS_ONE_SEC);
4851 }
4852
4853 if (i >= 240)
4854 /* error occurred */
4855 return (0);
4856
4857 /* setup CCCR */
4858 writel(0x1010, ha->mem_ptr + IPS_REG_CCCR);
4859
4860 /* Enable busmastering */
4861 writeb(IPS_BIT_EBM, ha->mem_ptr + IPS_REG_SCPR);
4862
4863 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
4864 /* fix for anaconda64 */
4865 writel(0, ha->mem_ptr + IPS_REG_NDAE);
4866
4867 /* Enable interrupts */
4868 writeb(IPS_BIT_EI, ha->mem_ptr + IPS_REG_HISR);
4869
4870 /* if we get here then everything went OK */
4871 return (1);
4872 }
4873
4874 /****************************************************************************/
4875 /* */
4876 /* Routine Name: ips_init_morpheus */
4877 /* */
4878 /* Routine Description: */
4879 /* */
4880 /* Initialize a morpheus controller */
4881 /* */
4882 /****************************************************************************/
4883 static int
4884 ips_init_morpheus(ips_ha_t * ha)
4885 {
4886 uint32_t Post;
4887 uint32_t Config;
4888 uint32_t Isr;
4889 uint32_t Oimr;
4890 int i;
4891
4892 METHOD_TRACE("ips_init_morpheus", 1);
4893
4894 /* Wait up to 45 secs for Post */
4895 for (i = 0; i < 45; i++) {
4896 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
4897
4898 if (Isr & IPS_BIT_I960_MSG0I)
4899 break;
4900
4901 /* Delay for 1 Second */
4902 MDELAY(IPS_ONE_SEC);
4903 }
4904
4905 if (i >= 45) {
4906 /* error occurred */
4907 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4908 "timeout waiting for post.\n");
4909
4910 return (0);
4911 }
4912
4913 Post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
4914
4915 if (Post == 0x4F00) { /* If Flashing the Battery PIC */
4916 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4917 "Flashing Battery PIC, Please wait ...\n");
4918
4919 /* Clear the interrupt bit */
4920 Isr = (uint32_t) IPS_BIT_I960_MSG0I;
4921 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
4922
4923 for (i = 0; i < 120; i++) { /* Wait Up to 2 Min. for Completion */
4924 Post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
4925 if (Post != 0x4F00)
4926 break;
4927 /* Delay for 1 Second */
4928 MDELAY(IPS_ONE_SEC);
4929 }
4930
4931 if (i >= 120) {
4932 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4933 "timeout waiting for Battery PIC Flash\n");
4934 return (0);
4935 }
4936
4937 }
4938
4939 /* Clear the interrupt bit */
4940 Isr = (uint32_t) IPS_BIT_I960_MSG0I;
4941 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
4942
4943 if (Post < (IPS_GOOD_POST_STATUS << 8)) {
4944 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4945 "reset controller fails (post status %x).\n", Post);
4946
4947 return (0);
4948 }
4949
4950 /* Wait up to 240 secs for config bytes */
4951 for (i = 0; i < 240; i++) {
4952 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
4953
4954 if (Isr & IPS_BIT_I960_MSG1I)
4955 break;
4956
4957 /* Delay for 1 Second */
4958 MDELAY(IPS_ONE_SEC);
4959 }
4960
4961 if (i >= 240) {
4962 /* error occurred */
4963 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4964 "timeout waiting for config.\n");
4965
4966 return (0);
4967 }
4968
4969 Config = readl(ha->mem_ptr + IPS_REG_I960_MSG1);
4970
4971 /* Clear interrupt bit */
4972 Isr = (uint32_t) IPS_BIT_I960_MSG1I;
4973 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
4974
4975 /* Turn on the interrupts */
4976 Oimr = readl(ha->mem_ptr + IPS_REG_I960_OIMR);
4977 Oimr &= ~0x8;
4978 writel(Oimr, ha->mem_ptr + IPS_REG_I960_OIMR);
4979
4980 /* if we get here then everything went OK */
4981
4982 /* Since we did a RESET, an EraseStripeLock may be needed */
4983 if (Post == 0xEF10) {
4984 if ((Config == 0x000F) || (Config == 0x0009))
4985 ha->requires_esl = 1;
4986 }
4987
4988 return (1);
4989 }
4990
4991 /****************************************************************************/
4992 /* */
4993 /* Routine Name: ips_reset_copperhead */
4994 /* */
4995 /* Routine Description: */
4996 /* */
4997 /* Reset the controller */
4998 /* */
4999 /****************************************************************************/
5000 static int
5001 ips_reset_copperhead(ips_ha_t * ha)
5002 {
5003 int reset_counter;
5004
5005 METHOD_TRACE("ips_reset_copperhead", 1);
5006
5007 DEBUG_VAR(1, "(%s%d) ips_reset_copperhead: io addr: %x, irq: %d",
5008 ips_name, ha->host_num, ha->io_addr, ha->pcidev->irq);
5009
5010 reset_counter = 0;
5011
5012 while (reset_counter < 2) {
5013 reset_counter++;
5014
5015 outb(IPS_BIT_RST, ha->io_addr + IPS_REG_SCPR);
5016
5017 /* Delay for 1 Second */
5018 MDELAY(IPS_ONE_SEC);
5019
5020 outb(0, ha->io_addr + IPS_REG_SCPR);
5021
5022 /* Delay for 1 Second */
5023 MDELAY(IPS_ONE_SEC);
5024
5025 if ((*ha->func.init) (ha))
5026 break;
5027 else if (reset_counter >= 2) {
5028
5029 return (0);
5030 }
5031 }
5032
5033 return (1);
5034 }
5035
5036 /****************************************************************************/
5037 /* */
5038 /* Routine Name: ips_reset_copperhead_memio */
5039 /* */
5040 /* Routine Description: */
5041 /* */
5042 /* Reset the controller */
5043 /* */
5044 /****************************************************************************/
5045 static int
5046 ips_reset_copperhead_memio(ips_ha_t * ha)
5047 {
5048 int reset_counter;
5049
5050 METHOD_TRACE("ips_reset_copperhead_memio", 1);
5051
5052 DEBUG_VAR(1, "(%s%d) ips_reset_copperhead_memio: mem addr: %x, irq: %d",
5053 ips_name, ha->host_num, ha->mem_addr, ha->pcidev->irq);
5054
5055 reset_counter = 0;
5056
5057 while (reset_counter < 2) {
5058 reset_counter++;
5059
5060 writeb(IPS_BIT_RST, ha->mem_ptr + IPS_REG_SCPR);
5061
5062 /* Delay for 1 Second */
5063 MDELAY(IPS_ONE_SEC);
5064
5065 writeb(0, ha->mem_ptr + IPS_REG_SCPR);
5066
5067 /* Delay for 1 Second */
5068 MDELAY(IPS_ONE_SEC);
5069
5070 if ((*ha->func.init) (ha))
5071 break;
5072 else if (reset_counter >= 2) {
5073
5074 return (0);
5075 }
5076 }
5077
5078 return (1);
5079 }
5080
5081 /****************************************************************************/
5082 /* */
5083 /* Routine Name: ips_reset_morpheus */
5084 /* */
5085 /* Routine Description: */
5086 /* */
5087 /* Reset the controller */
5088 /* */
5089 /****************************************************************************/
5090 static int
5091 ips_reset_morpheus(ips_ha_t * ha)
5092 {
5093 int reset_counter;
5094 uint8_t junk;
5095
5096 METHOD_TRACE("ips_reset_morpheus", 1);
5097
5098 DEBUG_VAR(1, "(%s%d) ips_reset_morpheus: mem addr: %x, irq: %d",
5099 ips_name, ha->host_num, ha->mem_addr, ha->pcidev->irq);
5100
5101 reset_counter = 0;
5102
5103 while (reset_counter < 2) {
5104 reset_counter++;
5105
5106 writel(0x80000000, ha->mem_ptr + IPS_REG_I960_IDR);
5107
5108 /* Delay for 5 Seconds */
5109 MDELAY(5 * IPS_ONE_SEC);
5110
5111 /* Do a PCI config read to wait for adapter */
5112 pci_read_config_byte(ha->pcidev, 4, &junk);
5113
5114 if ((*ha->func.init) (ha))
5115 break;
5116 else if (reset_counter >= 2) {
5117
5118 return (0);
5119 }
5120 }
5121
5122 return (1);
5123 }
5124
5125 /****************************************************************************/
5126 /* */
5127 /* Routine Name: ips_statinit */
5128 /* */
5129 /* Routine Description: */
5130 /* */
5131 /* Initialize the status queues on the controller */
5132 /* */
5133 /****************************************************************************/
5134 static void
5135 ips_statinit(ips_ha_t * ha)
5136 {
5137 uint32_t phys_status_start;
5138
5139 METHOD_TRACE("ips_statinit", 1);
5140
5141 ha->adapt->p_status_start = ha->adapt->status;
5142 ha->adapt->p_status_end = ha->adapt->status + IPS_MAX_CMDS;
5143 ha->adapt->p_status_tail = ha->adapt->status;
5144
5145 phys_status_start = ha->adapt->hw_status_start;
5146 outl(phys_status_start, ha->io_addr + IPS_REG_SQSR);
5147 outl(phys_status_start + IPS_STATUS_Q_SIZE,
5148 ha->io_addr + IPS_REG_SQER);
5149 outl(phys_status_start + IPS_STATUS_SIZE,
5150 ha->io_addr + IPS_REG_SQHR);
5151 outl(phys_status_start, ha->io_addr + IPS_REG_SQTR);
5152
5153 ha->adapt->hw_status_tail = phys_status_start;
5154 }
5155
5156 /****************************************************************************/
5157 /* */
5158 /* Routine Name: ips_statinit_memio */
5159 /* */
5160 /* Routine Description: */
5161 /* */
5162 /* Initialize the status queues on the controller */
5163 /* */
5164 /****************************************************************************/
5165 static void
5166 ips_statinit_memio(ips_ha_t * ha)
5167 {
5168 uint32_t phys_status_start;
5169
5170 METHOD_TRACE("ips_statinit_memio", 1);
5171
5172 ha->adapt->p_status_start = ha->adapt->status;
5173 ha->adapt->p_status_end = ha->adapt->status + IPS_MAX_CMDS;
5174 ha->adapt->p_status_tail = ha->adapt->status;
5175
5176 phys_status_start = ha->adapt->hw_status_start;
5177 writel(phys_status_start, ha->mem_ptr + IPS_REG_SQSR);
5178 writel(phys_status_start + IPS_STATUS_Q_SIZE,
5179 ha->mem_ptr + IPS_REG_SQER);
5180 writel(phys_status_start + IPS_STATUS_SIZE, ha->mem_ptr + IPS_REG_SQHR);
5181 writel(phys_status_start, ha->mem_ptr + IPS_REG_SQTR);
5182
5183 ha->adapt->hw_status_tail = phys_status_start;
5184 }
5185
5186 /****************************************************************************/
5187 /* */
5188 /* Routine Name: ips_statupd_copperhead */
5189 /* */
5190 /* Routine Description: */
5191 /* */
5192 /* Remove an element from the status queue */
5193 /* */
5194 /****************************************************************************/
5195 static uint32_t
5196 ips_statupd_copperhead(ips_ha_t * ha)
5197 {
5198 METHOD_TRACE("ips_statupd_copperhead", 1);
5199
5200 if (ha->adapt->p_status_tail != ha->adapt->p_status_end) {
5201 ha->adapt->p_status_tail++;
5202 ha->adapt->hw_status_tail += sizeof (IPS_STATUS);
5203 } else {
5204 ha->adapt->p_status_tail = ha->adapt->p_status_start;
5205 ha->adapt->hw_status_tail = ha->adapt->hw_status_start;
5206 }
5207
5208 outl(ha->adapt->hw_status_tail,
5209 ha->io_addr + IPS_REG_SQTR);
5210
5211 return (ha->adapt->p_status_tail->value);
5212 }
5213
5214 /****************************************************************************/
5215 /* */
5216 /* Routine Name: ips_statupd_copperhead_memio */
5217 /* */
5218 /* Routine Description: */
5219 /* */
5220 /* Remove an element from the status queue */
5221 /* */
5222 /****************************************************************************/
5223 static uint32_t
5224 ips_statupd_copperhead_memio(ips_ha_t * ha)
5225 {
5226 METHOD_TRACE("ips_statupd_copperhead_memio", 1);
5227
5228 if (ha->adapt->p_status_tail != ha->adapt->p_status_end) {
5229 ha->adapt->p_status_tail++;
5230 ha->adapt->hw_status_tail += sizeof (IPS_STATUS);
5231 } else {
5232 ha->adapt->p_status_tail = ha->adapt->p_status_start;
5233 ha->adapt->hw_status_tail = ha->adapt->hw_status_start;
5234 }
5235
5236 writel(ha->adapt->hw_status_tail, ha->mem_ptr + IPS_REG_SQTR);
5237
5238 return (ha->adapt->p_status_tail->value);
5239 }
5240
5241 /****************************************************************************/
5242 /* */
5243 /* Routine Name: ips_statupd_morpheus */
5244 /* */
5245 /* Routine Description: */
5246 /* */
5247 /* Remove an element from the status queue */
5248 /* */
5249 /****************************************************************************/
5250 static uint32_t
5251 ips_statupd_morpheus(ips_ha_t * ha)
5252 {
5253 uint32_t val;
5254
5255 METHOD_TRACE("ips_statupd_morpheus", 1);
5256
5257 val = readl(ha->mem_ptr + IPS_REG_I2O_OUTMSGQ);
5258
5259 return (val);
5260 }
5261
5262 /****************************************************************************/
5263 /* */
5264 /* Routine Name: ips_issue_copperhead */
5265 /* */
5266 /* Routine Description: */
5267 /* */
5268 /* Send a command down to the controller */
5269 /* */
5270 /****************************************************************************/
5271 static int
5272 ips_issue_copperhead(ips_ha_t * ha, ips_scb_t * scb)
5273 {
5274 uint32_t TimeOut;
5275 uint32_t val;
5276
5277 METHOD_TRACE("ips_issue_copperhead", 1);
5278
5279 if (scb->scsi_cmd) {
5280 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5281 ips_name,
5282 ha->host_num,
5283 scb->cdb[0],
5284 scb->cmd.basic_io.command_id,
5285 scb->bus, scb->target_id, scb->lun);
5286 } else {
5287 DEBUG_VAR(2, KERN_NOTICE "(%s%d) ips_issue: logical cmd id %d",
5288 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5289 }
5290
5291 TimeOut = 0;
5292
5293 while ((val =
5294 le32_to_cpu(inl(ha->io_addr + IPS_REG_CCCR))) & IPS_BIT_SEM) {
5295 udelay(1000);
5296
5297 if (++TimeOut >= IPS_SEM_TIMEOUT) {
5298 if (!(val & IPS_BIT_START_STOP))
5299 break;
5300
5301 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5302 "ips_issue val [0x%x].\n", val);
5303 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5304 "ips_issue semaphore chk timeout.\n");
5305
5306 return (IPS_FAILURE);
5307 } /* end if */
5308 } /* end while */
5309
5310 outl(scb->scb_busaddr, ha->io_addr + IPS_REG_CCSAR);
5311 outw(IPS_BIT_START_CMD, ha->io_addr + IPS_REG_CCCR);
5312
5313 return (IPS_SUCCESS);
5314 }
5315
5316 /****************************************************************************/
5317 /* */
5318 /* Routine Name: ips_issue_copperhead_memio */
5319 /* */
5320 /* Routine Description: */
5321 /* */
5322 /* Send a command down to the controller */
5323 /* */
5324 /****************************************************************************/
5325 static int
5326 ips_issue_copperhead_memio(ips_ha_t * ha, ips_scb_t * scb)
5327 {
5328 uint32_t TimeOut;
5329 uint32_t val;
5330
5331 METHOD_TRACE("ips_issue_copperhead_memio", 1);
5332
5333 if (scb->scsi_cmd) {
5334 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5335 ips_name,
5336 ha->host_num,
5337 scb->cdb[0],
5338 scb->cmd.basic_io.command_id,
5339 scb->bus, scb->target_id, scb->lun);
5340 } else {
5341 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5342 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5343 }
5344
5345 TimeOut = 0;
5346
5347 while ((val = readl(ha->mem_ptr + IPS_REG_CCCR)) & IPS_BIT_SEM) {
5348 udelay(1000);
5349
5350 if (++TimeOut >= IPS_SEM_TIMEOUT) {
5351 if (!(val & IPS_BIT_START_STOP))
5352 break;
5353
5354 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5355 "ips_issue val [0x%x].\n", val);
5356 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5357 "ips_issue semaphore chk timeout.\n");
5358
5359 return (IPS_FAILURE);
5360 } /* end if */
5361 } /* end while */
5362
5363 writel(scb->scb_busaddr, ha->mem_ptr + IPS_REG_CCSAR);
5364 writel(IPS_BIT_START_CMD, ha->mem_ptr + IPS_REG_CCCR);
5365
5366 return (IPS_SUCCESS);
5367 }
5368
5369 /****************************************************************************/
5370 /* */
5371 /* Routine Name: ips_issue_i2o */
5372 /* */
5373 /* Routine Description: */
5374 /* */
5375 /* Send a command down to the controller */
5376 /* */
5377 /****************************************************************************/
5378 static int
5379 ips_issue_i2o(ips_ha_t * ha, ips_scb_t * scb)
5380 {
5381
5382 METHOD_TRACE("ips_issue_i2o", 1);
5383
5384 if (scb->scsi_cmd) {
5385 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5386 ips_name,
5387 ha->host_num,
5388 scb->cdb[0],
5389 scb->cmd.basic_io.command_id,
5390 scb->bus, scb->target_id, scb->lun);
5391 } else {
5392 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5393 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5394 }
5395
5396 outl(scb->scb_busaddr, ha->io_addr + IPS_REG_I2O_INMSGQ);
5397
5398 return (IPS_SUCCESS);
5399 }
5400
5401 /****************************************************************************/
5402 /* */
5403 /* Routine Name: ips_issue_i2o_memio */
5404 /* */
5405 /* Routine Description: */
5406 /* */
5407 /* Send a command down to the controller */
5408 /* */
5409 /****************************************************************************/
5410 static int
5411 ips_issue_i2o_memio(ips_ha_t * ha, ips_scb_t * scb)
5412 {
5413
5414 METHOD_TRACE("ips_issue_i2o_memio", 1);
5415
5416 if (scb->scsi_cmd) {
5417 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5418 ips_name,
5419 ha->host_num,
5420 scb->cdb[0],
5421 scb->cmd.basic_io.command_id,
5422 scb->bus, scb->target_id, scb->lun);
5423 } else {
5424 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5425 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5426 }
5427
5428 writel(scb->scb_busaddr, ha->mem_ptr + IPS_REG_I2O_INMSGQ);
5429
5430 return (IPS_SUCCESS);
5431 }
5432
5433 /****************************************************************************/
5434 /* */
5435 /* Routine Name: ips_isintr_copperhead */
5436 /* */
5437 /* Routine Description: */
5438 /* */
5439 /* Test to see if an interrupt is for us */
5440 /* */
5441 /****************************************************************************/
5442 static int
5443 ips_isintr_copperhead(ips_ha_t * ha)
5444 {
5445 uint8_t Isr;
5446
5447 METHOD_TRACE("ips_isintr_copperhead", 2);
5448
5449 Isr = inb(ha->io_addr + IPS_REG_HISR);
5450
5451 if (Isr == 0xFF)
5452 /* ?!?! Nothing really there */
5453 return (0);
5454
5455 if (Isr & IPS_BIT_SCE)
5456 return (1);
5457 else if (Isr & (IPS_BIT_SQO | IPS_BIT_GHI)) {
5458 /* status queue overflow or GHI */
5459 /* just clear the interrupt */
5460 outb(Isr, ha->io_addr + IPS_REG_HISR);
5461 }
5462
5463 return (0);
5464 }
5465
5466 /****************************************************************************/
5467 /* */
5468 /* Routine Name: ips_isintr_copperhead_memio */
5469 /* */
5470 /* Routine Description: */
5471 /* */
5472 /* Test to see if an interrupt is for us */
5473 /* */
5474 /****************************************************************************/
5475 static int
5476 ips_isintr_copperhead_memio(ips_ha_t * ha)
5477 {
5478 uint8_t Isr;
5479
5480 METHOD_TRACE("ips_isintr_memio", 2);
5481
5482 Isr = readb(ha->mem_ptr + IPS_REG_HISR);
5483
5484 if (Isr == 0xFF)
5485 /* ?!?! Nothing really there */
5486 return (0);
5487
5488 if (Isr & IPS_BIT_SCE)
5489 return (1);
5490 else if (Isr & (IPS_BIT_SQO | IPS_BIT_GHI)) {
5491 /* status queue overflow or GHI */
5492 /* just clear the interrupt */
5493 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
5494 }
5495
5496 return (0);
5497 }
5498
5499 /****************************************************************************/
5500 /* */
5501 /* Routine Name: ips_isintr_morpheus */
5502 /* */
5503 /* Routine Description: */
5504 /* */
5505 /* Test to see if an interrupt is for us */
5506 /* */
5507 /****************************************************************************/
5508 static int
5509 ips_isintr_morpheus(ips_ha_t * ha)
5510 {
5511 uint32_t Isr;
5512
5513 METHOD_TRACE("ips_isintr_morpheus", 2);
5514
5515 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
5516
5517 if (Isr & IPS_BIT_I2O_OPQI)
5518 return (1);
5519 else
5520 return (0);
5521 }
5522
5523 /****************************************************************************/
5524 /* */
5525 /* Routine Name: ips_wait */
5526 /* */
5527 /* Routine Description: */
5528 /* */
5529 /* Wait for a command to complete */
5530 /* */
5531 /****************************************************************************/
5532 static int
5533 ips_wait(ips_ha_t * ha, int time, int intr)
5534 {
5535 int ret;
5536 int done;
5537
5538 METHOD_TRACE("ips_wait", 1);
5539
5540 ret = IPS_FAILURE;
5541 done = FALSE;
5542
5543 time *= IPS_ONE_SEC; /* convert seconds */
5544
5545 while ((time > 0) && (!done)) {
5546 if (intr == IPS_INTR_ON) {
5547 if (ha->waitflag == FALSE) {
5548 ret = IPS_SUCCESS;
5549 done = TRUE;
5550 break;
5551 }
5552 } else if (intr == IPS_INTR_IORL) {
5553 if (ha->waitflag == FALSE) {
5554 /*
5555 * controller generated an interrupt to
5556 * acknowledge completion of the command
5557 * and ips_intr() has serviced the interrupt.
5558 */
5559 ret = IPS_SUCCESS;
5560 done = TRUE;
5561 break;
5562 }
5563
5564 /*
5565 * NOTE: we already have the io_request_lock so
5566 * even if we get an interrupt it won't get serviced
5567 * until after we finish.
5568 */
5569
5570 (*ha->func.intr) (ha);
5571 }
5572
5573 /* This looks like a very evil loop, but it only does this during start-up */
5574 udelay(1000);
5575 time--;
5576 }
5577
5578 return (ret);
5579 }
5580
5581 /****************************************************************************/
5582 /* */
5583 /* Routine Name: ips_write_driver_status */
5584 /* */
5585 /* Routine Description: */
5586 /* */
5587 /* Write OS/Driver version to Page 5 of the nvram on the controller */
5588 /* */
5589 /****************************************************************************/
5590 static int
5591 ips_write_driver_status(ips_ha_t * ha, int intr)
5592 {
5593 METHOD_TRACE("ips_write_driver_status", 1);
5594
5595 if (!ips_readwrite_page5(ha, FALSE, intr)) {
5596 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5597 "unable to read NVRAM page 5.\n");
5598
5599 return (0);
5600 }
5601
5602 /* check to make sure the page has a valid */
5603 /* signature */
5604 if (le32_to_cpu(ha->nvram->signature) != IPS_NVRAM_P5_SIG) {
5605 DEBUG_VAR(1,
5606 "(%s%d) NVRAM page 5 has an invalid signature: %X.",
5607 ips_name, ha->host_num, ha->nvram->signature);
5608 ha->nvram->signature = IPS_NVRAM_P5_SIG;
5609 }
5610
5611 DEBUG_VAR(2,
5612 "(%s%d) Ad Type: %d, Ad Slot: %d, BIOS: %c%c%c%c %c%c%c%c.",
5613 ips_name, ha->host_num, le16_to_cpu(ha->nvram->adapter_type),
5614 ha->nvram->adapter_slot, ha->nvram->bios_high[0],
5615 ha->nvram->bios_high[1], ha->nvram->bios_high[2],
5616 ha->nvram->bios_high[3], ha->nvram->bios_low[0],
5617 ha->nvram->bios_low[1], ha->nvram->bios_low[2],
5618 ha->nvram->bios_low[3]);
5619
5620 ips_get_bios_version(ha, intr);
5621
5622 /* change values (as needed) */
5623 ha->nvram->operating_system = IPS_OS_LINUX;
5624 ha->nvram->adapter_type = ha->ad_type;
5625 strncpy((char *) ha->nvram->driver_high, IPS_VERSION_HIGH, 4);
5626 strncpy((char *) ha->nvram->driver_low, IPS_VERSION_LOW, 4);
5627 strncpy((char *) ha->nvram->bios_high, ha->bios_version, 4);
5628 strncpy((char *) ha->nvram->bios_low, ha->bios_version + 4, 4);
5629
5630 ha->nvram->versioning = 0; /* Indicate the Driver Does Not Support Versioning */
5631
5632 /* now update the page */
5633 if (!ips_readwrite_page5(ha, TRUE, intr)) {
5634 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5635 "unable to write NVRAM page 5.\n");
5636
5637 return (0);
5638 }
5639
5640 /* IF NVRAM Page 5 is OK, Use it for Slot Number Info Because Linux Doesn't Do Slots */
5641 ha->slot_num = ha->nvram->adapter_slot;
5642
5643 return (1);
5644 }
5645
5646 /****************************************************************************/
5647 /* */
5648 /* Routine Name: ips_read_adapter_status */
5649 /* */
5650 /* Routine Description: */
5651 /* */
5652 /* Do an Inquiry command to the adapter */
5653 /* */
5654 /****************************************************************************/
5655 static int
5656 ips_read_adapter_status(ips_ha_t * ha, int intr)
5657 {
5658 ips_scb_t *scb;
5659 int ret;
5660
5661 METHOD_TRACE("ips_read_adapter_status", 1);
5662
5663 scb = &ha->scbs[ha->max_cmds - 1];
5664
5665 ips_init_scb(ha, scb);
5666
5667 scb->timeout = ips_cmd_timeout;
5668 scb->cdb[0] = IPS_CMD_ENQUIRY;
5669
5670 scb->cmd.basic_io.op_code = IPS_CMD_ENQUIRY;
5671 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5672 scb->cmd.basic_io.sg_count = 0;
5673 scb->cmd.basic_io.lba = 0;
5674 scb->cmd.basic_io.sector_count = 0;
5675 scb->cmd.basic_io.log_drv = 0;
5676 scb->data_len = sizeof (*ha->enq);
5677 scb->cmd.basic_io.sg_addr = ha->enq_busaddr;
5678
5679 /* send command */
5680 if (((ret =
5681 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5682 || (ret == IPS_SUCCESS_IMM)
5683 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5684 return (0);
5685
5686 return (1);
5687 }
5688
5689 /****************************************************************************/
5690 /* */
5691 /* Routine Name: ips_read_subsystem_parameters */
5692 /* */
5693 /* Routine Description: */
5694 /* */
5695 /* Read subsystem parameters from the adapter */
5696 /* */
5697 /****************************************************************************/
5698 static int
5699 ips_read_subsystem_parameters(ips_ha_t * ha, int intr)
5700 {
5701 ips_scb_t *scb;
5702 int ret;
5703
5704 METHOD_TRACE("ips_read_subsystem_parameters", 1);
5705
5706 scb = &ha->scbs[ha->max_cmds - 1];
5707
5708 ips_init_scb(ha, scb);
5709
5710 scb->timeout = ips_cmd_timeout;
5711 scb->cdb[0] = IPS_CMD_GET_SUBSYS;
5712
5713 scb->cmd.basic_io.op_code = IPS_CMD_GET_SUBSYS;
5714 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5715 scb->cmd.basic_io.sg_count = 0;
5716 scb->cmd.basic_io.lba = 0;
5717 scb->cmd.basic_io.sector_count = 0;
5718 scb->cmd.basic_io.log_drv = 0;
5719 scb->data_len = sizeof (*ha->subsys);
5720 scb->cmd.basic_io.sg_addr = ha->ioctl_busaddr;
5721
5722 /* send command */
5723 if (((ret =
5724 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5725 || (ret == IPS_SUCCESS_IMM)
5726 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5727 return (0);
5728
5729 memcpy(ha->subsys, ha->ioctl_data, sizeof(*ha->subsys));
5730 return (1);
5731 }
5732
5733 /****************************************************************************/
5734 /* */
5735 /* Routine Name: ips_read_config */
5736 /* */
5737 /* Routine Description: */
5738 /* */
5739 /* Read the configuration on the adapter */
5740 /* */
5741 /****************************************************************************/
5742 static int
5743 ips_read_config(ips_ha_t * ha, int intr)
5744 {
5745 ips_scb_t *scb;
5746 int i;
5747 int ret;
5748
5749 METHOD_TRACE("ips_read_config", 1);
5750
5751 /* set defaults for initiator IDs */
5752 for (i = 0; i < 4; i++)
5753 ha->conf->init_id[i] = 7;
5754
5755 scb = &ha->scbs[ha->max_cmds - 1];
5756
5757 ips_init_scb(ha, scb);
5758
5759 scb->timeout = ips_cmd_timeout;
5760 scb->cdb[0] = IPS_CMD_READ_CONF;
5761
5762 scb->cmd.basic_io.op_code = IPS_CMD_READ_CONF;
5763 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5764 scb->data_len = sizeof (*ha->conf);
5765 scb->cmd.basic_io.sg_addr = ha->ioctl_busaddr;
5766
5767 /* send command */
5768 if (((ret =
5769 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5770 || (ret == IPS_SUCCESS_IMM)
5771 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) {
5772
5773 memset(ha->conf, 0, sizeof (IPS_CONF));
5774
5775 /* reset initiator IDs */
5776 for (i = 0; i < 4; i++)
5777 ha->conf->init_id[i] = 7;
5778
5779 /* Allow Completed with Errors, so JCRM can access the Adapter to fix the problems */
5780 if ((scb->basic_status & IPS_GSC_STATUS_MASK) ==
5781 IPS_CMD_CMPLT_WERROR)
5782 return (1);
5783
5784 return (0);
5785 }
5786
5787 memcpy(ha->conf, ha->ioctl_data, sizeof(*ha->conf));
5788 return (1);
5789 }
5790
5791 /****************************************************************************/
5792 /* */
5793 /* Routine Name: ips_readwrite_page5 */
5794 /* */
5795 /* Routine Description: */
5796 /* */
5797 /* Read nvram page 5 from the adapter */
5798 /* */
5799 /****************************************************************************/
5800 static int
5801 ips_readwrite_page5(ips_ha_t * ha, int write, int intr)
5802 {
5803 ips_scb_t *scb;
5804 int ret;
5805
5806 METHOD_TRACE("ips_readwrite_page5", 1);
5807
5808 scb = &ha->scbs[ha->max_cmds - 1];
5809
5810 ips_init_scb(ha, scb);
5811
5812 scb->timeout = ips_cmd_timeout;
5813 scb->cdb[0] = IPS_CMD_RW_NVRAM_PAGE;
5814
5815 scb->cmd.nvram.op_code = IPS_CMD_RW_NVRAM_PAGE;
5816 scb->cmd.nvram.command_id = IPS_COMMAND_ID(ha, scb);
5817 scb->cmd.nvram.page = 5;
5818 scb->cmd.nvram.write = write;
5819 scb->cmd.nvram.reserved = 0;
5820 scb->cmd.nvram.reserved2 = 0;
5821 scb->data_len = sizeof (*ha->nvram);
5822 scb->cmd.nvram.buffer_addr = ha->ioctl_busaddr;
5823 if (write)
5824 memcpy(ha->ioctl_data, ha->nvram, sizeof(*ha->nvram));
5825
5826 /* issue the command */
5827 if (((ret =
5828 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5829 || (ret == IPS_SUCCESS_IMM)
5830 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) {
5831
5832 memset(ha->nvram, 0, sizeof (IPS_NVRAM_P5));
5833
5834 return (0);
5835 }
5836 if (!write)
5837 memcpy(ha->nvram, ha->ioctl_data, sizeof(*ha->nvram));
5838 return (1);
5839 }
5840
5841 /****************************************************************************/
5842 /* */
5843 /* Routine Name: ips_clear_adapter */
5844 /* */
5845 /* Routine Description: */
5846 /* */
5847 /* Clear the stripe lock tables */
5848 /* */
5849 /****************************************************************************/
5850 static int
5851 ips_clear_adapter(ips_ha_t * ha, int intr)
5852 {
5853 ips_scb_t *scb;
5854 int ret;
5855
5856 METHOD_TRACE("ips_clear_adapter", 1);
5857
5858 scb = &ha->scbs[ha->max_cmds - 1];
5859
5860 ips_init_scb(ha, scb);
5861
5862 scb->timeout = ips_reset_timeout;
5863 scb->cdb[0] = IPS_CMD_CONFIG_SYNC;
5864
5865 scb->cmd.config_sync.op_code = IPS_CMD_CONFIG_SYNC;
5866 scb->cmd.config_sync.command_id = IPS_COMMAND_ID(ha, scb);
5867 scb->cmd.config_sync.channel = 0;
5868 scb->cmd.config_sync.source_target = IPS_POCL;
5869 scb->cmd.config_sync.reserved = 0;
5870 scb->cmd.config_sync.reserved2 = 0;
5871 scb->cmd.config_sync.reserved3 = 0;
5872
5873 /* issue command */
5874 if (((ret =
5875 ips_send_wait(ha, scb, ips_reset_timeout, intr)) == IPS_FAILURE)
5876 || (ret == IPS_SUCCESS_IMM)
5877 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5878 return (0);
5879
5880 /* send unlock stripe command */
5881 ips_init_scb(ha, scb);
5882
5883 scb->cdb[0] = IPS_CMD_ERROR_TABLE;
5884 scb->timeout = ips_reset_timeout;
5885
5886 scb->cmd.unlock_stripe.op_code = IPS_CMD_ERROR_TABLE;
5887 scb->cmd.unlock_stripe.command_id = IPS_COMMAND_ID(ha, scb);
5888 scb->cmd.unlock_stripe.log_drv = 0;
5889 scb->cmd.unlock_stripe.control = IPS_CSL;
5890 scb->cmd.unlock_stripe.reserved = 0;
5891 scb->cmd.unlock_stripe.reserved2 = 0;
5892 scb->cmd.unlock_stripe.reserved3 = 0;
5893
5894 /* issue command */
5895 if (((ret =
5896 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5897 || (ret == IPS_SUCCESS_IMM)
5898 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5899 return (0);
5900
5901 return (1);
5902 }
5903
5904 /****************************************************************************/
5905 /* */
5906 /* Routine Name: ips_ffdc_reset */
5907 /* */
5908 /* Routine Description: */
5909 /* */
5910 /* FFDC: write reset info */
5911 /* */
5912 /****************************************************************************/
5913 static void
5914 ips_ffdc_reset(ips_ha_t * ha, int intr)
5915 {
5916 ips_scb_t *scb;
5917
5918 METHOD_TRACE("ips_ffdc_reset", 1);
5919
5920 scb = &ha->scbs[ha->max_cmds - 1];
5921
5922 ips_init_scb(ha, scb);
5923
5924 scb->timeout = ips_cmd_timeout;
5925 scb->cdb[0] = IPS_CMD_FFDC;
5926 scb->cmd.ffdc.op_code = IPS_CMD_FFDC;
5927 scb->cmd.ffdc.command_id = IPS_COMMAND_ID(ha, scb);
5928 scb->cmd.ffdc.reset_count = ha->reset_count;
5929 scb->cmd.ffdc.reset_type = 0x80;
5930
5931 /* convert time to what the card wants */
5932 ips_fix_ffdc_time(ha, scb, ha->last_ffdc);
5933
5934 /* issue command */
5935 ips_send_wait(ha, scb, ips_cmd_timeout, intr);
5936 }
5937
5938 /****************************************************************************/
5939 /* */
5940 /* Routine Name: ips_ffdc_time */
5941 /* */
5942 /* Routine Description: */
5943 /* */
5944 /* FFDC: write time info */
5945 /* */
5946 /****************************************************************************/
5947 static void
5948 ips_ffdc_time(ips_ha_t * ha)
5949 {
5950 ips_scb_t *scb;
5951
5952 METHOD_TRACE("ips_ffdc_time", 1);
5953
5954 DEBUG_VAR(1, "(%s%d) Sending time update.", ips_name, ha->host_num);
5955
5956 scb = &ha->scbs[ha->max_cmds - 1];
5957
5958 ips_init_scb(ha, scb);
5959
5960 scb->timeout = ips_cmd_timeout;
5961 scb->cdb[0] = IPS_CMD_FFDC;
5962 scb->cmd.ffdc.op_code = IPS_CMD_FFDC;
5963 scb->cmd.ffdc.command_id = IPS_COMMAND_ID(ha, scb);
5964 scb->cmd.ffdc.reset_count = 0;
5965 scb->cmd.ffdc.reset_type = 0;
5966
5967 /* convert time to what the card wants */
5968 ips_fix_ffdc_time(ha, scb, ha->last_ffdc);
5969
5970 /* issue command */
5971 ips_send_wait(ha, scb, ips_cmd_timeout, IPS_FFDC);
5972 }
5973
5974 /****************************************************************************/
5975 /* */
5976 /* Routine Name: ips_fix_ffdc_time */
5977 /* */
5978 /* Routine Description: */
5979 /* Adjust time_t to what the card wants */
5980 /* */
5981 /****************************************************************************/
5982 static void
5983 ips_fix_ffdc_time(ips_ha_t * ha, ips_scb_t * scb, time64_t current_time)
5984 {
5985 struct tm tm;
5986
5987 METHOD_TRACE("ips_fix_ffdc_time", 1);
5988
5989 time64_to_tm(current_time, 0, &tm);
5990
5991 scb->cmd.ffdc.hour = tm.tm_hour;
5992 scb->cmd.ffdc.minute = tm.tm_min;
5993 scb->cmd.ffdc.second = tm.tm_sec;
5994 scb->cmd.ffdc.yearH = (tm.tm_year + 1900) / 100;
5995 scb->cmd.ffdc.yearL = tm.tm_year % 100;
5996 scb->cmd.ffdc.month = tm.tm_mon + 1;
5997 scb->cmd.ffdc.day = tm.tm_mday;
5998 }
5999
6000 /****************************************************************************
6001 * BIOS Flash Routines *
6002 ****************************************************************************/
6003
6004 /****************************************************************************/
6005 /* */
6006 /* Routine Name: ips_erase_bios */
6007 /* */
6008 /* Routine Description: */
6009 /* Erase the BIOS on the adapter */
6010 /* */
6011 /****************************************************************************/
6012 static int
6013 ips_erase_bios(ips_ha_t * ha)
6014 {
6015 int timeout;
6016 uint8_t status = 0;
6017
6018 METHOD_TRACE("ips_erase_bios", 1);
6019
6020 status = 0;
6021
6022 /* Clear the status register */
6023 outl(0, ha->io_addr + IPS_REG_FLAP);
6024 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6025 udelay(25); /* 25 us */
6026
6027 outb(0x50, ha->io_addr + IPS_REG_FLDP);
6028 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6029 udelay(25); /* 25 us */
6030
6031 /* Erase Setup */
6032 outb(0x20, ha->io_addr + IPS_REG_FLDP);
6033 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6034 udelay(25); /* 25 us */
6035
6036 /* Erase Confirm */
6037 outb(0xD0, ha->io_addr + IPS_REG_FLDP);
6038 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6039 udelay(25); /* 25 us */
6040
6041 /* Erase Status */
6042 outb(0x70, ha->io_addr + IPS_REG_FLDP);
6043 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6044 udelay(25); /* 25 us */
6045
6046 timeout = 80000; /* 80 seconds */
6047
6048 while (timeout > 0) {
6049 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6050 outl(0, ha->io_addr + IPS_REG_FLAP);
6051 udelay(25); /* 25 us */
6052 }
6053
6054 status = inb(ha->io_addr + IPS_REG_FLDP);
6055
6056 if (status & 0x80)
6057 break;
6058
6059 MDELAY(1);
6060 timeout--;
6061 }
6062
6063 /* check for timeout */
6064 if (timeout <= 0) {
6065 /* timeout */
6066
6067 /* try to suspend the erase */
6068 outb(0xB0, ha->io_addr + IPS_REG_FLDP);
6069 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6070 udelay(25); /* 25 us */
6071
6072 /* wait for 10 seconds */
6073 timeout = 10000;
6074 while (timeout > 0) {
6075 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6076 outl(0, ha->io_addr + IPS_REG_FLAP);
6077 udelay(25); /* 25 us */
6078 }
6079
6080 status = inb(ha->io_addr + IPS_REG_FLDP);
6081
6082 if (status & 0xC0)
6083 break;
6084
6085 MDELAY(1);
6086 timeout--;
6087 }
6088
6089 return (1);
6090 }
6091
6092 /* check for valid VPP */
6093 if (status & 0x08)
6094 /* VPP failure */
6095 return (1);
6096
6097 /* check for successful flash */
6098 if (status & 0x30)
6099 /* sequence error */
6100 return (1);
6101
6102 /* Otherwise, we were successful */
6103 /* clear status */
6104 outb(0x50, ha->io_addr + IPS_REG_FLDP);
6105 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6106 udelay(25); /* 25 us */
6107
6108 /* enable reads */
6109 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6110 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6111 udelay(25); /* 25 us */
6112
6113 return (0);
6114 }
6115
6116 /****************************************************************************/
6117 /* */
6118 /* Routine Name: ips_erase_bios_memio */
6119 /* */
6120 /* Routine Description: */
6121 /* Erase the BIOS on the adapter */
6122 /* */
6123 /****************************************************************************/
6124 static int
6125 ips_erase_bios_memio(ips_ha_t * ha)
6126 {
6127 int timeout;
6128 uint8_t status;
6129
6130 METHOD_TRACE("ips_erase_bios_memio", 1);
6131
6132 status = 0;
6133
6134 /* Clear the status register */
6135 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6136 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6137 udelay(25); /* 25 us */
6138
6139 writeb(0x50, ha->mem_ptr + IPS_REG_FLDP);
6140 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6141 udelay(25); /* 25 us */
6142
6143 /* Erase Setup */
6144 writeb(0x20, ha->mem_ptr + IPS_REG_FLDP);
6145 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6146 udelay(25); /* 25 us */
6147
6148 /* Erase Confirm */
6149 writeb(0xD0, ha->mem_ptr + IPS_REG_FLDP);
6150 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6151 udelay(25); /* 25 us */
6152
6153 /* Erase Status */
6154 writeb(0x70, ha->mem_ptr + IPS_REG_FLDP);
6155 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6156 udelay(25); /* 25 us */
6157
6158 timeout = 80000; /* 80 seconds */
6159
6160 while (timeout > 0) {
6161 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6162 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6163 udelay(25); /* 25 us */
6164 }
6165
6166 status = readb(ha->mem_ptr + IPS_REG_FLDP);
6167
6168 if (status & 0x80)
6169 break;
6170
6171 MDELAY(1);
6172 timeout--;
6173 }
6174
6175 /* check for timeout */
6176 if (timeout <= 0) {
6177 /* timeout */
6178
6179 /* try to suspend the erase */
6180 writeb(0xB0, ha->mem_ptr + IPS_REG_FLDP);
6181 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6182 udelay(25); /* 25 us */
6183
6184 /* wait for 10 seconds */
6185 timeout = 10000;
6186 while (timeout > 0) {
6187 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6188 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6189 udelay(25); /* 25 us */
6190 }
6191
6192 status = readb(ha->mem_ptr + IPS_REG_FLDP);
6193
6194 if (status & 0xC0)
6195 break;
6196
6197 MDELAY(1);
6198 timeout--;
6199 }
6200
6201 return (1);
6202 }
6203
6204 /* check for valid VPP */
6205 if (status & 0x08)
6206 /* VPP failure */
6207 return (1);
6208
6209 /* check for successful flash */
6210 if (status & 0x30)
6211 /* sequence error */
6212 return (1);
6213
6214 /* Otherwise, we were successful */
6215 /* clear status */
6216 writeb(0x50, ha->mem_ptr + IPS_REG_FLDP);
6217 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6218 udelay(25); /* 25 us */
6219
6220 /* enable reads */
6221 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6222 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6223 udelay(25); /* 25 us */
6224
6225 return (0);
6226 }
6227
6228 /****************************************************************************/
6229 /* */
6230 /* Routine Name: ips_program_bios */
6231 /* */
6232 /* Routine Description: */
6233 /* Program the BIOS on the adapter */
6234 /* */
6235 /****************************************************************************/
6236 static int
6237 ips_program_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6238 uint32_t offset)
6239 {
6240 int i;
6241 int timeout;
6242 uint8_t status = 0;
6243
6244 METHOD_TRACE("ips_program_bios", 1);
6245
6246 status = 0;
6247
6248 for (i = 0; i < buffersize; i++) {
6249 /* write a byte */
6250 outl(i + offset, ha->io_addr + IPS_REG_FLAP);
6251 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6252 udelay(25); /* 25 us */
6253
6254 outb(0x40, ha->io_addr + IPS_REG_FLDP);
6255 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6256 udelay(25); /* 25 us */
6257
6258 outb(buffer[i], ha->io_addr + IPS_REG_FLDP);
6259 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6260 udelay(25); /* 25 us */
6261
6262 /* wait up to one second */
6263 timeout = 1000;
6264 while (timeout > 0) {
6265 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6266 outl(0, ha->io_addr + IPS_REG_FLAP);
6267 udelay(25); /* 25 us */
6268 }
6269
6270 status = inb(ha->io_addr + IPS_REG_FLDP);
6271
6272 if (status & 0x80)
6273 break;
6274
6275 MDELAY(1);
6276 timeout--;
6277 }
6278
6279 if (timeout == 0) {
6280 /* timeout error */
6281 outl(0, ha->io_addr + IPS_REG_FLAP);
6282 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6283 udelay(25); /* 25 us */
6284
6285 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6286 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6287 udelay(25); /* 25 us */
6288
6289 return (1);
6290 }
6291
6292 /* check the status */
6293 if (status & 0x18) {
6294 /* programming error */
6295 outl(0, ha->io_addr + IPS_REG_FLAP);
6296 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6297 udelay(25); /* 25 us */
6298
6299 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6300 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6301 udelay(25); /* 25 us */
6302
6303 return (1);
6304 }
6305 } /* end for */
6306
6307 /* Enable reading */
6308 outl(0, ha->io_addr + IPS_REG_FLAP);
6309 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6310 udelay(25); /* 25 us */
6311
6312 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6313 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6314 udelay(25); /* 25 us */
6315
6316 return (0);
6317 }
6318
6319 /****************************************************************************/
6320 /* */
6321 /* Routine Name: ips_program_bios_memio */
6322 /* */
6323 /* Routine Description: */
6324 /* Program the BIOS on the adapter */
6325 /* */
6326 /****************************************************************************/
6327 static int
6328 ips_program_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6329 uint32_t offset)
6330 {
6331 int i;
6332 int timeout;
6333 uint8_t status = 0;
6334
6335 METHOD_TRACE("ips_program_bios_memio", 1);
6336
6337 status = 0;
6338
6339 for (i = 0; i < buffersize; i++) {
6340 /* write a byte */
6341 writel(i + offset, ha->mem_ptr + IPS_REG_FLAP);
6342 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6343 udelay(25); /* 25 us */
6344
6345 writeb(0x40, ha->mem_ptr + IPS_REG_FLDP);
6346 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6347 udelay(25); /* 25 us */
6348
6349 writeb(buffer[i], ha->mem_ptr + IPS_REG_FLDP);
6350 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6351 udelay(25); /* 25 us */
6352
6353 /* wait up to one second */
6354 timeout = 1000;
6355 while (timeout > 0) {
6356 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6357 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6358 udelay(25); /* 25 us */
6359 }
6360
6361 status = readb(ha->mem_ptr + IPS_REG_FLDP);
6362
6363 if (status & 0x80)
6364 break;
6365
6366 MDELAY(1);
6367 timeout--;
6368 }
6369
6370 if (timeout == 0) {
6371 /* timeout error */
6372 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6373 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6374 udelay(25); /* 25 us */
6375
6376 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6377 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6378 udelay(25); /* 25 us */
6379
6380 return (1);
6381 }
6382
6383 /* check the status */
6384 if (status & 0x18) {
6385 /* programming error */
6386 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6387 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6388 udelay(25); /* 25 us */
6389
6390 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6391 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6392 udelay(25); /* 25 us */
6393
6394 return (1);
6395 }
6396 } /* end for */
6397
6398 /* Enable reading */
6399 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6400 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6401 udelay(25); /* 25 us */
6402
6403 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6404 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6405 udelay(25); /* 25 us */
6406
6407 return (0);
6408 }
6409
6410 /****************************************************************************/
6411 /* */
6412 /* Routine Name: ips_verify_bios */
6413 /* */
6414 /* Routine Description: */
6415 /* Verify the BIOS on the adapter */
6416 /* */
6417 /****************************************************************************/
6418 static int
6419 ips_verify_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6420 uint32_t offset)
6421 {
6422 uint8_t checksum;
6423 int i;
6424
6425 METHOD_TRACE("ips_verify_bios", 1);
6426
6427 /* test 1st byte */
6428 outl(0, ha->io_addr + IPS_REG_FLAP);
6429 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6430 udelay(25); /* 25 us */
6431
6432 if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55)
6433 return (1);
6434
6435 outl(1, ha->io_addr + IPS_REG_FLAP);
6436 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6437 udelay(25); /* 25 us */
6438 if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA)
6439 return (1);
6440
6441 checksum = 0xff;
6442 for (i = 2; i < buffersize; i++) {
6443
6444 outl(i + offset, ha->io_addr + IPS_REG_FLAP);
6445 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6446 udelay(25); /* 25 us */
6447
6448 checksum = (uint8_t) checksum + inb(ha->io_addr + IPS_REG_FLDP);
6449 }
6450
6451 if (checksum != 0)
6452 /* failure */
6453 return (1);
6454 else
6455 /* success */
6456 return (0);
6457 }
6458
6459 /****************************************************************************/
6460 /* */
6461 /* Routine Name: ips_verify_bios_memio */
6462 /* */
6463 /* Routine Description: */
6464 /* Verify the BIOS on the adapter */
6465 /* */
6466 /****************************************************************************/
6467 static int
6468 ips_verify_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6469 uint32_t offset)
6470 {
6471 uint8_t checksum;
6472 int i;
6473
6474 METHOD_TRACE("ips_verify_bios_memio", 1);
6475
6476 /* test 1st byte */
6477 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6478 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6479 udelay(25); /* 25 us */
6480
6481 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0x55)
6482 return (1);
6483
6484 writel(1, ha->mem_ptr + IPS_REG_FLAP);
6485 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6486 udelay(25); /* 25 us */
6487 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA)
6488 return (1);
6489
6490 checksum = 0xff;
6491 for (i = 2; i < buffersize; i++) {
6492
6493 writel(i + offset, ha->mem_ptr + IPS_REG_FLAP);
6494 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6495 udelay(25); /* 25 us */
6496
6497 checksum =
6498 (uint8_t) checksum + readb(ha->mem_ptr + IPS_REG_FLDP);
6499 }
6500
6501 if (checksum != 0)
6502 /* failure */
6503 return (1);
6504 else
6505 /* success */
6506 return (0);
6507 }
6508
6509 /****************************************************************************/
6510 /* */
6511 /* Routine Name: ips_abort_init */
6512 /* */
6513 /* Routine Description: */
6514 /* cleanup routine for a failed adapter initialization */
6515 /****************************************************************************/
6516 static int
6517 ips_abort_init(ips_ha_t * ha, int index)
6518 {
6519 ha->active = 0;
6520 ips_free(ha);
6521 ips_ha[index] = NULL;
6522 ips_sh[index] = NULL;
6523 return -1;
6524 }
6525
6526 /****************************************************************************/
6527 /* */
6528 /* Routine Name: ips_shift_controllers */
6529 /* */
6530 /* Routine Description: */
6531 /* helper function for ordering adapters */
6532 /****************************************************************************/
6533 static void
6534 ips_shift_controllers(int lowindex, int highindex)
6535 {
6536 ips_ha_t *ha_sav = ips_ha[highindex];
6537 struct Scsi_Host *sh_sav = ips_sh[highindex];
6538 int i;
6539
6540 for (i = highindex; i > lowindex; i--) {
6541 ips_ha[i] = ips_ha[i - 1];
6542 ips_sh[i] = ips_sh[i - 1];
6543 ips_ha[i]->host_num = i;
6544 }
6545 ha_sav->host_num = lowindex;
6546 ips_ha[lowindex] = ha_sav;
6547 ips_sh[lowindex] = sh_sav;
6548 }
6549
6550 /****************************************************************************/
6551 /* */
6552 /* Routine Name: ips_order_controllers */
6553 /* */
6554 /* Routine Description: */
6555 /* place controllers is the "proper" boot order */
6556 /****************************************************************************/
6557 static void
6558 ips_order_controllers(void)
6559 {
6560 int i, j, tmp, position = 0;
6561 IPS_NVRAM_P5 *nvram;
6562 if (!ips_ha[0])
6563 return;
6564 nvram = ips_ha[0]->nvram;
6565
6566 if (nvram->adapter_order[0]) {
6567 for (i = 1; i <= nvram->adapter_order[0]; i++) {
6568 for (j = position; j < ips_num_controllers; j++) {
6569 switch (ips_ha[j]->ad_type) {
6570 case IPS_ADTYPE_SERVERAID6M:
6571 case IPS_ADTYPE_SERVERAID7M:
6572 if (nvram->adapter_order[i] == 'M') {
6573 ips_shift_controllers(position,
6574 j);
6575 position++;
6576 }
6577 break;
6578 case IPS_ADTYPE_SERVERAID4L:
6579 case IPS_ADTYPE_SERVERAID4M:
6580 case IPS_ADTYPE_SERVERAID4MX:
6581 case IPS_ADTYPE_SERVERAID4LX:
6582 if (nvram->adapter_order[i] == 'N') {
6583 ips_shift_controllers(position,
6584 j);
6585 position++;
6586 }
6587 break;
6588 case IPS_ADTYPE_SERVERAID6I:
6589 case IPS_ADTYPE_SERVERAID5I2:
6590 case IPS_ADTYPE_SERVERAID5I1:
6591 case IPS_ADTYPE_SERVERAID7k:
6592 if (nvram->adapter_order[i] == 'S') {
6593 ips_shift_controllers(position,
6594 j);
6595 position++;
6596 }
6597 break;
6598 case IPS_ADTYPE_SERVERAID:
6599 case IPS_ADTYPE_SERVERAID2:
6600 case IPS_ADTYPE_NAVAJO:
6601 case IPS_ADTYPE_KIOWA:
6602 case IPS_ADTYPE_SERVERAID3L:
6603 case IPS_ADTYPE_SERVERAID3:
6604 case IPS_ADTYPE_SERVERAID4H:
6605 if (nvram->adapter_order[i] == 'A') {
6606 ips_shift_controllers(position,
6607 j);
6608 position++;
6609 }
6610 break;
6611 default:
6612 break;
6613 }
6614 }
6615 }
6616 /* if adapter_order[0], then ordering is complete */
6617 return;
6618 }
6619 /* old bios, use older ordering */
6620 tmp = 0;
6621 for (i = position; i < ips_num_controllers; i++) {
6622 if (ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID5I2 ||
6623 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID5I1) {
6624 ips_shift_controllers(position, i);
6625 position++;
6626 tmp = 1;
6627 }
6628 }
6629 /* if there were no 5I cards, then don't do any extra ordering */
6630 if (!tmp)
6631 return;
6632 for (i = position; i < ips_num_controllers; i++) {
6633 if (ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4L ||
6634 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4M ||
6635 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4LX ||
6636 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4MX) {
6637 ips_shift_controllers(position, i);
6638 position++;
6639 }
6640 }
6641
6642 return;
6643 }
6644
6645 /****************************************************************************/
6646 /* */
6647 /* Routine Name: ips_register_scsi */
6648 /* */
6649 /* Routine Description: */
6650 /* perform any registration and setup with the scsi layer */
6651 /****************************************************************************/
6652 static int
6653 ips_register_scsi(int index)
6654 {
6655 struct Scsi_Host *sh;
6656 ips_ha_t *ha, *oldha = ips_ha[index];
6657 sh = scsi_host_alloc(&ips_driver_template, sizeof (ips_ha_t));
6658 if (!sh) {
6659 IPS_PRINTK(KERN_WARNING, oldha->pcidev,
6660 "Unable to register controller with SCSI subsystem\n");
6661 return -1;
6662 }
6663 ha = IPS_HA(sh);
6664 memcpy(ha, oldha, sizeof (ips_ha_t));
6665 free_irq(oldha->pcidev->irq, oldha);
6666 /* Install the interrupt handler with the new ha */
6667 if (request_irq(ha->pcidev->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) {
6668 IPS_PRINTK(KERN_WARNING, ha->pcidev,
6669 "Unable to install interrupt handler\n");
6670 goto err_out_sh;
6671 }
6672
6673 kfree(oldha);
6674
6675 /* Store away needed values for later use */
6676 sh->unique_id = (ha->io_addr) ? ha->io_addr : ha->mem_addr;
6677 sh->sg_tablesize = sh->hostt->sg_tablesize;
6678 sh->can_queue = sh->hostt->can_queue;
6679 sh->cmd_per_lun = sh->hostt->cmd_per_lun;
6680 sh->use_clustering = sh->hostt->use_clustering;
6681 sh->max_sectors = 128;
6682
6683 sh->max_id = ha->ntargets;
6684 sh->max_lun = ha->nlun;
6685 sh->max_channel = ha->nbus - 1;
6686 sh->can_queue = ha->max_cmds - 1;
6687
6688 if (scsi_add_host(sh, &ha->pcidev->dev))
6689 goto err_out;
6690
6691 ips_sh[index] = sh;
6692 ips_ha[index] = ha;
6693
6694 scsi_scan_host(sh);
6695
6696 return 0;
6697
6698 err_out:
6699 free_irq(ha->pcidev->irq, ha);
6700 err_out_sh:
6701 scsi_host_put(sh);
6702 return -1;
6703 }
6704
6705 /*---------------------------------------------------------------------------*/
6706 /* Routine Name: ips_remove_device */
6707 /* */
6708 /* Routine Description: */
6709 /* Remove one Adapter ( Hot Plugging ) */
6710 /*---------------------------------------------------------------------------*/
6711 static void
6712 ips_remove_device(struct pci_dev *pci_dev)
6713 {
6714 struct Scsi_Host *sh = pci_get_drvdata(pci_dev);
6715
6716 pci_set_drvdata(pci_dev, NULL);
6717
6718 ips_release(sh);
6719
6720 pci_release_regions(pci_dev);
6721 pci_disable_device(pci_dev);
6722 }
6723
6724 /****************************************************************************/
6725 /* */
6726 /* Routine Name: ips_module_init */
6727 /* */
6728 /* Routine Description: */
6729 /* function called on module load */
6730 /****************************************************************************/
6731 static int __init
6732 ips_module_init(void)
6733 {
6734 #if !defined(__i386__) && !defined(__ia64__) && !defined(__x86_64__)
6735 printk(KERN_ERR "ips: This driver has only been tested on the x86/ia64/x86_64 platforms\n");
6736 add_taint(TAINT_CPU_OUT_OF_SPEC, LOCKDEP_STILL_OK);
6737 #endif
6738
6739 if (pci_register_driver(&ips_pci_driver) < 0)
6740 return -ENODEV;
6741 ips_driver_template.module = THIS_MODULE;
6742 ips_order_controllers();
6743 if (!ips_detect(&ips_driver_template)) {
6744 pci_unregister_driver(&ips_pci_driver);
6745 return -ENODEV;
6746 }
6747 register_reboot_notifier(&ips_notifier);
6748 return 0;
6749 }
6750
6751 /****************************************************************************/
6752 /* */
6753 /* Routine Name: ips_module_exit */
6754 /* */
6755 /* Routine Description: */
6756 /* function called on module unload */
6757 /****************************************************************************/
6758 static void __exit
6759 ips_module_exit(void)
6760 {
6761 pci_unregister_driver(&ips_pci_driver);
6762 unregister_reboot_notifier(&ips_notifier);
6763 }
6764
6765 module_init(ips_module_init);
6766 module_exit(ips_module_exit);
6767
6768 /*---------------------------------------------------------------------------*/
6769 /* Routine Name: ips_insert_device */
6770 /* */
6771 /* Routine Description: */
6772 /* Add One Adapter ( Hot Plug ) */
6773 /* */
6774 /* Return Value: */
6775 /* 0 if Successful, else non-zero */
6776 /*---------------------------------------------------------------------------*/
6777 static int
6778 ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent)
6779 {
6780 int index = -1;
6781 int rc;
6782
6783 METHOD_TRACE("ips_insert_device", 1);
6784 rc = pci_enable_device(pci_dev);
6785 if (rc)
6786 return rc;
6787
6788 rc = pci_request_regions(pci_dev, "ips");
6789 if (rc)
6790 goto err_out;
6791
6792 rc = ips_init_phase1(pci_dev, &index);
6793 if (rc == SUCCESS)
6794 rc = ips_init_phase2(index);
6795
6796 if (ips_hotplug)
6797 if (ips_register_scsi(index)) {
6798 ips_free(ips_ha[index]);
6799 rc = -1;
6800 }
6801
6802 if (rc == SUCCESS)
6803 ips_num_controllers++;
6804
6805 ips_next_controller = ips_num_controllers;
6806
6807 if (rc < 0) {
6808 rc = -ENODEV;
6809 goto err_out_regions;
6810 }
6811
6812 pci_set_drvdata(pci_dev, ips_sh[index]);
6813 return 0;
6814
6815 err_out_regions:
6816 pci_release_regions(pci_dev);
6817 err_out:
6818 pci_disable_device(pci_dev);
6819 return rc;
6820 }
6821
6822 /*---------------------------------------------------------------------------*/
6823 /* Routine Name: ips_init_phase1 */
6824 /* */
6825 /* Routine Description: */
6826 /* Adapter Initialization */
6827 /* */
6828 /* Return Value: */
6829 /* 0 if Successful, else non-zero */
6830 /*---------------------------------------------------------------------------*/
6831 static int
6832 ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr)
6833 {
6834 ips_ha_t *ha;
6835 uint32_t io_addr;
6836 uint32_t mem_addr;
6837 uint32_t io_len;
6838 uint32_t mem_len;
6839 uint8_t bus;
6840 uint8_t func;
6841 int j;
6842 int index;
6843 dma_addr_t dma_address;
6844 char __iomem *ioremap_ptr;
6845 char __iomem *mem_ptr;
6846 uint32_t IsDead;
6847
6848 METHOD_TRACE("ips_init_phase1", 1);
6849 index = IPS_MAX_ADAPTERS;
6850 for (j = 0; j < IPS_MAX_ADAPTERS; j++) {
6851 if (ips_ha[j] == NULL) {
6852 index = j;
6853 break;
6854 }
6855 }
6856
6857 if (index >= IPS_MAX_ADAPTERS)
6858 return -1;
6859
6860 /* stuff that we get in dev */
6861 bus = pci_dev->bus->number;
6862 func = pci_dev->devfn;
6863
6864 /* Init MEM/IO addresses to 0 */
6865 mem_addr = 0;
6866 io_addr = 0;
6867 mem_len = 0;
6868 io_len = 0;
6869
6870 for (j = 0; j < 2; j++) {
6871 if (!pci_resource_start(pci_dev, j))
6872 break;
6873
6874 if (pci_resource_flags(pci_dev, j) & IORESOURCE_IO) {
6875 io_addr = pci_resource_start(pci_dev, j);
6876 io_len = pci_resource_len(pci_dev, j);
6877 } else {
6878 mem_addr = pci_resource_start(pci_dev, j);
6879 mem_len = pci_resource_len(pci_dev, j);
6880 }
6881 }
6882
6883 /* setup memory mapped area (if applicable) */
6884 if (mem_addr) {
6885 uint32_t base;
6886 uint32_t offs;
6887
6888 base = mem_addr & PAGE_MASK;
6889 offs = mem_addr - base;
6890 ioremap_ptr = ioremap(base, PAGE_SIZE);
6891 if (!ioremap_ptr)
6892 return -1;
6893 mem_ptr = ioremap_ptr + offs;
6894 } else {
6895 ioremap_ptr = NULL;
6896 mem_ptr = NULL;
6897 }
6898
6899 /* found a controller */
6900 ha = kzalloc(sizeof (ips_ha_t), GFP_KERNEL);
6901 if (ha == NULL) {
6902 IPS_PRINTK(KERN_WARNING, pci_dev,
6903 "Unable to allocate temporary ha struct\n");
6904 return -1;
6905 }
6906
6907 ips_sh[index] = NULL;
6908 ips_ha[index] = ha;
6909 ha->active = 1;
6910
6911 /* Store info in HA structure */
6912 ha->io_addr = io_addr;
6913 ha->io_len = io_len;
6914 ha->mem_addr = mem_addr;
6915 ha->mem_len = mem_len;
6916 ha->mem_ptr = mem_ptr;
6917 ha->ioremap_ptr = ioremap_ptr;
6918 ha->host_num = (uint32_t) index;
6919 ha->slot_num = PCI_SLOT(pci_dev->devfn);
6920 ha->pcidev = pci_dev;
6921
6922 /*
6923 * Set the pci_dev's dma_mask. Not all adapters support 64bit
6924 * addressing so don't enable it if the adapter can't support
6925 * it! Also, don't use 64bit addressing if dma addresses
6926 * are guaranteed to be < 4G.
6927 */
6928 if (IPS_ENABLE_DMA64 && IPS_HAS_ENH_SGLIST(ha) &&
6929 !pci_set_dma_mask(ha->pcidev, DMA_BIT_MASK(64))) {
6930 (ha)->flags |= IPS_HA_ENH_SG;
6931 } else {
6932 if (pci_set_dma_mask(ha->pcidev, DMA_BIT_MASK(32)) != 0) {
6933 printk(KERN_WARNING "Unable to set DMA Mask\n");
6934 return ips_abort_init(ha, index);
6935 }
6936 }
6937 if(ips_cd_boot && !ips_FlashData){
6938 ips_FlashData = pci_alloc_consistent(pci_dev, PAGE_SIZE << 7,
6939 &ips_flashbusaddr);
6940 }
6941
6942 ha->enq = pci_alloc_consistent(pci_dev, sizeof (IPS_ENQ),
6943 &ha->enq_busaddr);
6944 if (!ha->enq) {
6945 IPS_PRINTK(KERN_WARNING, pci_dev,
6946 "Unable to allocate host inquiry structure\n");
6947 return ips_abort_init(ha, index);
6948 }
6949
6950 ha->adapt = pci_alloc_consistent(pci_dev, sizeof (IPS_ADAPTER) +
6951 sizeof (IPS_IO_CMD), &dma_address);
6952 if (!ha->adapt) {
6953 IPS_PRINTK(KERN_WARNING, pci_dev,
6954 "Unable to allocate host adapt & dummy structures\n");
6955 return ips_abort_init(ha, index);
6956 }
6957 ha->adapt->hw_status_start = dma_address;
6958 ha->dummy = (void *) (ha->adapt + 1);
6959
6960
6961
6962 ha->logical_drive_info = pci_alloc_consistent(pci_dev, sizeof (IPS_LD_INFO), &dma_address);
6963 if (!ha->logical_drive_info) {
6964 IPS_PRINTK(KERN_WARNING, pci_dev,
6965 "Unable to allocate logical drive info structure\n");
6966 return ips_abort_init(ha, index);
6967 }
6968 ha->logical_drive_info_dma_addr = dma_address;
6969
6970
6971 ha->conf = kmalloc(sizeof (IPS_CONF), GFP_KERNEL);
6972
6973 if (!ha->conf) {
6974 IPS_PRINTK(KERN_WARNING, pci_dev,
6975 "Unable to allocate host conf structure\n");
6976 return ips_abort_init(ha, index);
6977 }
6978
6979 ha->nvram = kmalloc(sizeof (IPS_NVRAM_P5), GFP_KERNEL);
6980
6981 if (!ha->nvram) {
6982 IPS_PRINTK(KERN_WARNING, pci_dev,
6983 "Unable to allocate host NVRAM structure\n");
6984 return ips_abort_init(ha, index);
6985 }
6986
6987 ha->subsys = kmalloc(sizeof (IPS_SUBSYS), GFP_KERNEL);
6988
6989 if (!ha->subsys) {
6990 IPS_PRINTK(KERN_WARNING, pci_dev,
6991 "Unable to allocate host subsystem structure\n");
6992 return ips_abort_init(ha, index);
6993 }
6994
6995 /* the ioctl buffer is now used during adapter initialization, so its
6996 * successful allocation is now required */
6997 if (ips_ioctlsize < PAGE_SIZE)
6998 ips_ioctlsize = PAGE_SIZE;
6999
7000 ha->ioctl_data = pci_alloc_consistent(pci_dev, ips_ioctlsize,
7001 &ha->ioctl_busaddr);
7002 ha->ioctl_len = ips_ioctlsize;
7003 if (!ha->ioctl_data) {
7004 IPS_PRINTK(KERN_WARNING, pci_dev,
7005 "Unable to allocate IOCTL data\n");
7006 return ips_abort_init(ha, index);
7007 }
7008
7009 /*
7010 * Setup Functions
7011 */
7012 ips_setup_funclist(ha);
7013
7014 if ((IPS_IS_MORPHEUS(ha)) || (IPS_IS_MARCO(ha))) {
7015 /* If Morpheus appears dead, reset it */
7016 IsDead = readl(ha->mem_ptr + IPS_REG_I960_MSG1);
7017 if (IsDead == 0xDEADBEEF) {
7018 ips_reset_morpheus(ha);
7019 }
7020 }
7021
7022 /*
7023 * Initialize the card if it isn't already
7024 */
7025
7026 if (!(*ha->func.isinit) (ha)) {
7027 if (!(*ha->func.init) (ha)) {
7028 /*
7029 * Initialization failed
7030 */
7031 IPS_PRINTK(KERN_WARNING, pci_dev,
7032 "Unable to initialize controller\n");
7033 return ips_abort_init(ha, index);
7034 }
7035 }
7036
7037 *indexPtr = index;
7038 return SUCCESS;
7039 }
7040
7041 /*---------------------------------------------------------------------------*/
7042 /* Routine Name: ips_init_phase2 */
7043 /* */
7044 /* Routine Description: */
7045 /* Adapter Initialization Phase 2 */
7046 /* */
7047 /* Return Value: */
7048 /* 0 if Successful, else non-zero */
7049 /*---------------------------------------------------------------------------*/
7050 static int
7051 ips_init_phase2(int index)
7052 {
7053 ips_ha_t *ha;
7054
7055 ha = ips_ha[index];
7056
7057 METHOD_TRACE("ips_init_phase2", 1);
7058 if (!ha->active) {
7059 ips_ha[index] = NULL;
7060 return -1;
7061 }
7062
7063 /* Install the interrupt handler */
7064 if (request_irq(ha->pcidev->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) {
7065 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7066 "Unable to install interrupt handler\n");
7067 return ips_abort_init(ha, index);
7068 }
7069
7070 /*
7071 * Allocate a temporary SCB for initialization
7072 */
7073 ha->max_cmds = 1;
7074 if (!ips_allocatescbs(ha)) {
7075 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7076 "Unable to allocate a CCB\n");
7077 free_irq(ha->pcidev->irq, ha);
7078 return ips_abort_init(ha, index);
7079 }
7080
7081 if (!ips_hainit(ha)) {
7082 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7083 "Unable to initialize controller\n");
7084 free_irq(ha->pcidev->irq, ha);
7085 return ips_abort_init(ha, index);
7086 }
7087 /* Free the temporary SCB */
7088 ips_deallocatescbs(ha, 1);
7089
7090 /* allocate CCBs */
7091 if (!ips_allocatescbs(ha)) {
7092 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7093 "Unable to allocate CCBs\n");
7094 free_irq(ha->pcidev->irq, ha);
7095 return ips_abort_init(ha, index);
7096 }
7097
7098 return SUCCESS;
7099 }
7100
7101 MODULE_LICENSE("GPL");
7102 MODULE_DESCRIPTION("IBM ServeRAID Adapter Driver " IPS_VER_STRING);
7103 MODULE_VERSION(IPS_VER_STRING);
7104
7105
7106 /*
7107 * Overrides for Emacs so that we almost follow Linus's tabbing style.
7108 * Emacs will notice this stuff at the end of the file and automatically
7109 * adjust the settings for this buffer only. This must remain at the end
7110 * of the file.
7111 * ---------------------------------------------------------------------------
7112 * Local variables:
7113 * c-indent-level: 2
7114 * c-brace-imaginary-offset: 0
7115 * c-brace-offset: -2
7116 * c-argdecl-indent: 2
7117 * c-label-offset: -2
7118 * c-continued-statement-offset: 2
7119 * c-continued-brace-offset: 0
7120 * indent-tabs-mode: nil
7121 * tab-width: 8
7122 * End:
7123 */
Ubuntu Eoan Linux kernel mirror