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[linux-2.6-block.git] / drivers / scsi / ips.c
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1da177e4
LT		 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 */
c1a15468 136/* 7.10.18 - Add highmem_io flag in SCSI Templete for 2.4 kernels */
1da177e4
LT		 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 */
25985edc 140/* 7.12.xx - Use STATIC functions wherever possible */
c1a15468 141/* - Clean up deprecated MODULE_PARM calls */
a60768e2 142/* 7.12.05 - Remove Version Matching per IBM request */
1da177e4
LT		 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>
1da177e4
LT		 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>
910638ae 181#include <linux/dma-mapping.h>
1da177e4
LT		 182
183#include <scsi/sg.h>
1da177e4 184#include "scsi.h"
1da177e4 185#include <scsi/scsi_host.h>
1da177e4
LT		 186
187#include "ips.h"
188
189#include <linux/module.h>
190
191#include <linux/stat.h>
1da177e4
LT		 192
193#include <linux/spinlock.h>
194#include <linux/init.h>
195
196#include <linux/smp.h>
197
198#ifdef MODULE
199static char *ips = NULL;
200module_param(ips, charp, 0);
201#endif
202
203/*
204 * DRIVER_VER
205 */
8c8fdc59
BW		 206#define IPS_VERSION_HIGH IPS_VER_MAJOR_STRING "." IPS_VER_MINOR_STRING
207#define IPS_VERSION_LOW "." IPS_VER_BUILD_STRING " "
1da177e4 208
1da177e4 209#define IPS_DMA_DIR(scb) ((!scb->scsi_cmd || ips_is_passthru(scb->scsi_cmd) || \
be7db055 210 DMA_NONE == scb->scsi_cmd->sc_data_direction) ? \
32e76961 211 DMA_BIDIRECTIONAL : \
be7db055 212 scb->scsi_cmd->sc_data_direction)
1da177e4
LT		 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 */
1516b55d
H		 227static int ips_eh_abort(struct scsi_cmnd *);
228static int ips_eh_reset(struct scsi_cmnd *);
f281233d 229static int ips_queue(struct Scsi_Host *, struct scsi_cmnd *);
1da177e4 230static const char *ips_info(struct Scsi_Host *);
7d12e780 231static irqreturn_t do_ipsintr(int, void *);
1da177e4
LT		 232static int ips_hainit(ips_ha_t *);
233static int ips_map_status(ips_ha_t *, ips_scb_t *, ips_stat_t *);
234static int ips_send_wait(ips_ha_t *, ips_scb_t *, int, int);
235static int ips_send_cmd(ips_ha_t *, ips_scb_t *);
236static int ips_online(ips_ha_t *, ips_scb_t *);
237static int ips_inquiry(ips_ha_t *, ips_scb_t *);
238static int ips_rdcap(ips_ha_t *, ips_scb_t *);
239static int ips_msense(ips_ha_t *, ips_scb_t *);
240static int ips_reqsen(ips_ha_t *, ips_scb_t *);
241static int ips_deallocatescbs(ips_ha_t *, int);
242static int ips_allocatescbs(ips_ha_t *);
243static int ips_reset_copperhead(ips_ha_t *);
244static int ips_reset_copperhead_memio(ips_ha_t *);
245static int ips_reset_morpheus(ips_ha_t *);
246static int ips_issue_copperhead(ips_ha_t *, ips_scb_t *);
247static int ips_issue_copperhead_memio(ips_ha_t *, ips_scb_t *);
248static int ips_issue_i2o(ips_ha_t *, ips_scb_t *);
249static int ips_issue_i2o_memio(ips_ha_t *, ips_scb_t *);
250static int ips_isintr_copperhead(ips_ha_t *);
251static int ips_isintr_copperhead_memio(ips_ha_t *);
252static int ips_isintr_morpheus(ips_ha_t *);
253static int ips_wait(ips_ha_t *, int, int);
254static int ips_write_driver_status(ips_ha_t *, int);
255static int ips_read_adapter_status(ips_ha_t *, int);
256static int ips_read_subsystem_parameters(ips_ha_t *, int);
257static int ips_read_config(ips_ha_t *, int);
258static int ips_clear_adapter(ips_ha_t *, int);
259static int ips_readwrite_page5(ips_ha_t *, int, int);
260static int ips_init_copperhead(ips_ha_t *);
261static int ips_init_copperhead_memio(ips_ha_t *);
262static int ips_init_morpheus(ips_ha_t *);
263static int ips_isinit_copperhead(ips_ha_t *);
264static int ips_isinit_copperhead_memio(ips_ha_t *);
265static int ips_isinit_morpheus(ips_ha_t *);
266static int ips_erase_bios(ips_ha_t *);
267static int ips_program_bios(ips_ha_t *, char *, uint32_t, uint32_t);
268static int ips_verify_bios(ips_ha_t *, char *, uint32_t, uint32_t);
269static int ips_erase_bios_memio(ips_ha_t *);
270static int ips_program_bios_memio(ips_ha_t *, char *, uint32_t, uint32_t);
271static int ips_verify_bios_memio(ips_ha_t *, char *, uint32_t, uint32_t);
272static int ips_flash_copperhead(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
273static int ips_flash_bios(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
274static int ips_flash_firmware(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
275static void ips_free_flash_copperhead(ips_ha_t * ha);
276static void ips_get_bios_version(ips_ha_t *, int);
277static void ips_identify_controller(ips_ha_t *);
278static void ips_chkstatus(ips_ha_t *, IPS_STATUS *);
279static void ips_enable_int_copperhead(ips_ha_t *);
280static void ips_enable_int_copperhead_memio(ips_ha_t *);
281static void ips_enable_int_morpheus(ips_ha_t *);
282static int ips_intr_copperhead(ips_ha_t *);
283static int ips_intr_morpheus(ips_ha_t *);
284static void ips_next(ips_ha_t *, int);
285static void ipsintr_blocking(ips_ha_t *, struct ips_scb *);
286static void ipsintr_done(ips_ha_t *, struct ips_scb *);
287static void ips_done(ips_ha_t *, ips_scb_t *);
288static void ips_free(ips_ha_t *);
289static void ips_init_scb(ips_ha_t *, ips_scb_t *);
290static void ips_freescb(ips_ha_t *, ips_scb_t *);
291static void ips_setup_funclist(ips_ha_t *);
292static void ips_statinit(ips_ha_t *);
293static void ips_statinit_memio(ips_ha_t *);
f990bee3 294static void ips_fix_ffdc_time(ips_ha_t *, ips_scb_t *, time64_t);
1da177e4
LT		 295static void ips_ffdc_reset(ips_ha_t *, int);
296static void ips_ffdc_time(ips_ha_t *);
297static uint32_t ips_statupd_copperhead(ips_ha_t *);
298static uint32_t ips_statupd_copperhead_memio(ips_ha_t *);
299static uint32_t ips_statupd_morpheus(ips_ha_t *);
300static ips_scb_t *ips_getscb(ips_ha_t *);
301static void ips_putq_scb_head(ips_scb_queue_t *, ips_scb_t *);
ac6424b9 302static void ips_putq_wait_tail(ips_wait_queue_entry_t *, struct scsi_cmnd *);
1da177e4
LT		 303static void ips_putq_copp_tail(ips_copp_queue_t *,
304 ips_copp_wait_item_t *);
305static ips_scb_t *ips_removeq_scb_head(ips_scb_queue_t *);
306static ips_scb_t *ips_removeq_scb(ips_scb_queue_t *, ips_scb_t *);
ac6424b9
IM		 307static struct scsi_cmnd *ips_removeq_wait_head(ips_wait_queue_entry_t *);
308static struct scsi_cmnd *ips_removeq_wait(ips_wait_queue_entry_t *,
1516b55d 309 struct scsi_cmnd *);
1da177e4
LT		 310static ips_copp_wait_item_t *ips_removeq_copp(ips_copp_queue_t *,
311 ips_copp_wait_item_t *);
312static ips_copp_wait_item_t *ips_removeq_copp_head(ips_copp_queue_t *);
313
1516b55d
H		 314static int ips_is_passthru(struct scsi_cmnd *);
315static int ips_make_passthru(ips_ha_t *, struct scsi_cmnd *, ips_scb_t *, int);
1da177e4
LT		 316static int ips_usrcmd(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
317static void ips_cleanup_passthru(ips_ha_t *, ips_scb_t *);
1516b55d 318static void ips_scmd_buf_write(struct scsi_cmnd * scmd, void *data,
1da177e4 319 unsigned int count);
1516b55d
H		 320static void ips_scmd_buf_read(struct scsi_cmnd * scmd, void *data,
321 unsigned int count);
1da177e4 322
aacce706
AV		 323static int ips_write_info(struct Scsi_Host *, char *, int);
324static int ips_show_info(struct seq_file *, struct Scsi_Host *);
325static int ips_host_info(ips_ha_t *, struct seq_file *);
1da177e4
LT		 326static int ips_abort_init(ips_ha_t * ha, int index);
327static int ips_init_phase2(int index);
328
329static int ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr);
330static int ips_register_scsi(int index);
331
ee807c2d
JH		 332static int ips_poll_for_flush_complete(ips_ha_t * ha);
333static void ips_flush_and_reset(ips_ha_t *ha);
334
1da177e4
LT		 335/*
336 * global variables
337 */
338static const char ips_name[] = "ips";
339static struct Scsi_Host *ips_sh[IPS_MAX_ADAPTERS]; /* Array of host controller structures */
340static ips_ha_t *ips_ha[IPS_MAX_ADAPTERS]; /* Array of HA structures */
341static unsigned int ips_next_controller;
342static unsigned int ips_num_controllers;
343static unsigned int ips_released_controllers;
344static int ips_hotplug;
345static int ips_cmd_timeout = 60;
346static int ips_reset_timeout = 60 * 5;
347static int ips_force_memio = 1; /* Always use Memory Mapped I/O */
348static int ips_force_i2o = 1; /* Always use I2O command delivery */
349static int ips_ioctlsize = IPS_IOCTL_SIZE; /* Size of the ioctl buffer */
350static int ips_cd_boot; /* Booting from Manager CD */
351static char *ips_FlashData = NULL; /* CD Boot - Flash Data Buffer */
352static dma_addr_t ips_flashbusaddr;
353static long ips_FlashDataInUse; /* CD Boot - Flash Data In Use Flag */
354static uint32_t MaxLiteCmds = 32; /* Max Active Cmds for a Lite Adapter */
d0be4a7d 355static struct scsi_host_template ips_driver_template = {
1da177e4
LT		 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",
aacce706
AV		 361 .show_info = ips_show_info,
362 .write_info = ips_write_info,
1da177e4 363 .slave_configure = ips_slave_configure,
1da177e4
LT		 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,
54b2b50c 369 .no_write_same = 1,
1da177e4
LT		 370};
371
1da177e4
LT		 372
373/* This table describes all ServeRAID Adapters */
374static 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
381MODULE_DEVICE_TABLE( pci, ips_pci_table );
382
383static char ips_hot_plug_name[] = "ips";
2f277d6a 384
6f039790
GKH		 385static int ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent);
386static void ips_remove_device(struct pci_dev *pci_dev);
2f277d6a 387
1da177e4
LT		 388static struct pci_driver ips_pci_driver = {
389 .name = ips_hot_plug_name,
390 .id_table = ips_pci_table,
391 .probe = ips_insert_device,
6f039790 392 .remove = ips_remove_device,
1da177e4 393};
2f277d6a 394
1da177e4
LT		 395
396/*
397 * Necessary forward function protoypes
398 */
399static int ips_halt(struct notifier_block *nb, ulong event, void *buf);
400
401#define MAX_ADAPTER_NAME 15
402
403static 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
424static struct notifier_block ips_notifier = {
425 ips_halt, NULL, 0
426};
427
428/*
429 * Direction table
430 */
431static 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/****************************************************************************/
495static int
496ips_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 */
6391a113 522 for (i = 0; i < ARRAY_SIZE(options); i++) {
48a96876 523 if (strncasecmp
1da177e4
LT		 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/****************************************************************************/
553static int
d0be4a7d 554ips_detect(struct scsi_host_template * SHT)
1da177e4
LT		 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/****************************************************************************/
578static void
579ips_setup_funclist(ips_ha_t * ha)
580{
581
2f277d6a 582 /*
1da177e4
LT		 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/****************************************************************************/
642static int
643ips_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
a50ee7a7
MW		 651 scsi_remove_host(sh);
652
1da177e4
LT		 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
1da177e4 697 /* free IRQ */
8a694cc8 698 free_irq(ha->pcidev->irq, ha);
1da177e4 699
1da177e4
LT		 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/****************************************************************************/
716static int
717ips_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/****************************************************************************/
1516b55d 776int ips_eh_abort(struct scsi_cmnd *SC)
1da177e4
LT		 777{
778 ips_ha_t *ha;
779 ips_copp_wait_item_t *item;
780 int ret;
8fa728a2 781 struct Scsi_Host *host;
1da177e4
LT		 782
783 METHOD_TRACE("ips_eh_abort", 1);
784
785 if (!SC)
786 return (FAILED);
787
8fa728a2 788 host = SC->device->host;
1da177e4
LT		 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
c6a6c81c 797 spin_lock(host->host_lock);
8fa728a2 798
1da177e4
LT		 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 }
8fa728a2 817
c6a6c81c 818 spin_unlock(host->host_lock);
1da177e4
LT		 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/****************************************************************************/
1516b55d 833static int __ips_eh_reset(struct scsi_cmnd *SC)
1da177e4
LT		 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) {
1516b55d 929 struct scsi_cmnd *scsi_cmd;
1da177e4
LT		 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)) {
1516b55d 958 struct scsi_cmnd *scsi_cmd;
1da177e4
LT		 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) {
f990bee3 988 ha->last_ffdc = ktime_get_real_seconds();
1da177e4
LT		 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))) {
1c9fbafc 997 scb->scsi_cmd->result = DID_RESET << 16;
1da177e4
LT		 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
1516b55d 1016static int ips_eh_reset(struct scsi_cmnd *SC)
df0ae249
JG		 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
1da177e4
LT		 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/****************************************************************************/
f281233d 1039static int ips_queue_lck(struct scsi_cmnd *SC, void (*done) (struct scsi_cmnd *))
1da177e4
LT		 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 */
422c0d61
JG		 1077 if ((scmd_channel(SC) > 0)
1078 && (scmd_id(SC) == ha->ha_id[scmd_channel(SC)])) {
1da177e4
LT		 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. */
2f4cf91c 1092 pt = (ips_passthru_t *) scsi_sglist(SC);
1da177e4
LT		 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 */
ba3af0af 1101 __ips_eh_reset(SC);
1da177e4
LT		 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
f281233d
JG		 1130static DEF_SCSI_QCMD(ips_queue)
1131
1da177e4
LT		 1132/****************************************************************************/
1133/* */
1134/* Routine Name: ips_biosparam */
1135/* */
1136/* Routine Description: */
1137/* */
1138/* Set bios geometry for the controller */
1139/* */
1140/****************************************************************************/
c6a6c81c
AB		 1141static int ips_biosparam(struct scsi_device *sdev, struct block_device *bdev,
1142 sector_t capacity, int geom[])
1da177e4
LT		 1143{
1144 ips_ha_t *ha = (ips_ha_t *) sdev->host->hostdata;
1da177e4
LT		 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
1da177e4
LT		 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/****************************************************************************/
1191static int
f64a181d 1192ips_slave_configure(struct scsi_device * SDptr)
1da177e4
LT		 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;
db5ed4df 1202 scsi_change_queue_depth(SDptr, min);
1da177e4 1203 }
560c26c8
JH		 1204
1205 SDptr->skip_ms_page_8 = 1;
1206 SDptr->skip_ms_page_3f = 1;
1da177e4
LT		 1207 return 0;
1208}
1da177e4
LT		 1209
1210/****************************************************************************/
1211/* */
1212/* Routine Name: do_ipsintr */
1213/* */
1214/* Routine Description: */
1215/* */
1216/* Wrapper for the interrupt handler */
1217/* */
1218/****************************************************************************/
1219static irqreturn_t
7d12e780 1220do_ipsintr(int irq, void *dev_id)
1da177e4
LT		 1221{
1222 ips_ha_t *ha;
1da177e4
LT		 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
c6a6c81c 1238 spin_lock(host->host_lock);
1da177e4
LT		 1239
1240 if (!ha->active) {
c6a6c81c 1241 spin_unlock(host->host_lock);
1da177e4
LT		 1242 return IRQ_HANDLED;
1243 }
1244
1245 irqstatus = (*ha->func.intr) (ha);
1246
c6a6c81c 1247 spin_unlock(host->host_lock);
1da177e4
LT		 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/****************************************************************************/
1265int
1266ips_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)) {
b1c11812 1302 /* Spurious Interrupt ? */
1da177e4
LT		 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/****************************************************************************/
1329int
1330ips_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/****************************************************************************/
1397static const char *
1398ips_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
1da177e4 1426static int
aacce706 1427ips_write_info(struct Scsi_Host *host, char *buffer, int length)
1da177e4
LT		 1428{
1429 int i;
1da177e4
LT		 1430 ips_ha_t *ha = NULL;
1431
1da177e4
LT		 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
aacce706
AV		 1445 return 0;
1446}
1da177e4 1447
aacce706
AV		 1448static int
1449ips_show_info(struct seq_file *m, struct Scsi_Host *host)
1450{
1451 int i;
1452 ips_ha_t *ha = NULL;
1da177e4 1453
aacce706
AV		 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 }
1da177e4 1462 }
aacce706
AV		 1463
1464 if (!ha)
1465 return (-EINVAL);
1466
1467 return ips_host_info(ha, m);
1da177e4
LT		 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/****************************************************************************/
1516b55d 1483static int ips_is_passthru(struct scsi_cmnd *SC)
1da177e4 1484{
a3632fa3
JH		 1485 unsigned long flags;
1486
1da177e4
LT		 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) &&
2f4cf91c
FT		 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);
77dfce07 1502 buffer = kmap_atomic(sg_page(sg)) + sg->offset;
2f4cf91c
FT		 1503 if (buffer && buffer[0] == 'C' && buffer[1] == 'O' &&
1504 buffer[2] == 'P' && buffer[3] == 'P') {
77dfce07 1505 kunmap_atomic(buffer - sg->offset);
2f4cf91c
FT		 1506 local_irq_restore(flags);
1507 return 1;
1508 }
77dfce07 1509 kunmap_atomic(buffer - sg->offset);
2f4cf91c 1510 local_irq_restore(flags);
1da177e4
LT		 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/****************************************************************************/
1523static int
1524ips_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 */
32e76961
CH		 1532 bigger_buf = dma_alloc_coherent(&ha->pcidev->dev, length, &dma_busaddr,
1533 GFP_KERNEL);
1da177e4
LT		 1534 if (bigger_buf) {
1535 /* free the old memory */
32e76961
CH		 1536 dma_free_coherent(&ha->pcidev->dev, ha->ioctl_len,
1537 ha->ioctl_data, ha->ioctl_busaddr);
1da177e4
LT		 1538 /* use the new memory */
1539 ha->ioctl_data = (char *) bigger_buf;
1540 ha->ioctl_len = length;
1541 ha->ioctl_busaddr = dma_busaddr;
1542 } else {
1543 return -1;
1544 }
1545 return 0;
1546}
1547
1548/****************************************************************************/
1549/* */
1550/* Routine Name: ips_make_passthru */
1551/* */
1552/* Routine Description: */
1553/* */
1554/* Make a passthru command out of the info in the Scsi block */
1555/* */
1556/****************************************************************************/
1557static int
1516b55d 1558ips_make_passthru(ips_ha_t *ha, struct scsi_cmnd *SC, ips_scb_t *scb, int intr)
1da177e4
LT		 1559{
1560 ips_passthru_t *pt;
1561 int length = 0;
2f4cf91c
FT		 1562 int i, ret;
1563 struct scatterlist *sg = scsi_sglist(SC);
1da177e4
LT		 1564
1565 METHOD_TRACE("ips_make_passthru", 1);
1566
2f4cf91c 1567 scsi_for_each_sg(SC, sg, scsi_sg_count(SC), i)
2b28a472 1568 length += sg->length;
2f4cf91c 1569
1da177e4
LT		 1570 if (length < sizeof (ips_passthru_t)) {
1571 /* wrong size */
1572 DEBUG_VAR(1, "(%s%d) Passthru structure wrong size",
1573 ips_name, ha->host_num);
1574 return (IPS_FAILURE);
1575 }
1576 if (ips_alloc_passthru_buffer(ha, length)) {
1577 /* allocation failure! If ha->ioctl_data exists, use it to return
1578 some error codes. Return a failed command to the scsi layer. */
1579 if (ha->ioctl_data) {
1580 pt = (ips_passthru_t *) ha->ioctl_data;
1581 ips_scmd_buf_read(SC, pt, sizeof (ips_passthru_t));
1582 pt->BasicStatus = 0x0B;
1583 pt->ExtendedStatus = 0x00;
1584 ips_scmd_buf_write(SC, pt, sizeof (ips_passthru_t));
1585 }
1586 return IPS_FAILURE;
1587 }
1588 ha->ioctl_datasize = length;
1589
1590 ips_scmd_buf_read(SC, ha->ioctl_data, ha->ioctl_datasize);
1591 pt = (ips_passthru_t *) ha->ioctl_data;
1592
1593 /*
1594 * Some notes about the passthru interface used
1595 *
1596 * IF the scsi op_code == 0x0d then we assume
1597 * that the data came along with/goes with the
1598 * packet we received from the sg driver. In this
1599 * case the CmdBSize field of the pt structure is
1600 * used for the size of the buffer.
1601 */
1602
1603 switch (pt->CoppCmd) {
1604 case IPS_NUMCTRLS:
1605 memcpy(ha->ioctl_data + sizeof (ips_passthru_t),
1606 &ips_num_controllers, sizeof (int));
1607 ips_scmd_buf_write(SC, ha->ioctl_data,
1608 sizeof (ips_passthru_t) + sizeof (int));
1609 SC->result = DID_OK << 16;
1610
1611 return (IPS_SUCCESS_IMM);
1612
1613 case IPS_COPPUSRCMD:
1614 case IPS_COPPIOCCMD:
1615 if (SC->cmnd[0] == IPS_IOCTL_COMMAND) {
1616 if (length < (sizeof (ips_passthru_t) + pt->CmdBSize)) {
1617 /* wrong size */
1618 DEBUG_VAR(1,
1619 "(%s%d) Passthru structure wrong size",
1620 ips_name, ha->host_num);
1621
1622 return (IPS_FAILURE);
1623 }
1624
8a694cc8 1625 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD &&
1da177e4
LT		 1626 pt->CoppCP.cmd.flashfw.op_code ==
1627 IPS_CMD_RW_BIOSFW) {
1628 ret = ips_flash_copperhead(ha, pt, scb);
1629 ips_scmd_buf_write(SC, ha->ioctl_data,
1630 sizeof (ips_passthru_t));
1631 return ret;
1632 }
1633 if (ips_usrcmd(ha, pt, scb))
1634 return (IPS_SUCCESS);
1635 else
1636 return (IPS_FAILURE);
1637 }
1638
1639 break;
1640
1641 } /* end switch */
1642
1643 return (IPS_FAILURE);
1644}
1645
1646/****************************************************************************/
1647/* Routine Name: ips_flash_copperhead */
1648/* Routine Description: */
1649/* Flash the BIOS/FW on a Copperhead style controller */
1650/****************************************************************************/
1651static int
1652ips_flash_copperhead(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1653{
1654 int datasize;
1655
1656 /* Trombone is the only copperhead that can do packet flash, but only
25985edc 1657 * for firmware. No one said it had to make sense. */
1da177e4
LT		 1658 if (IPS_IS_TROMBONE(ha) && pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE) {
1659 if (ips_usrcmd(ha, pt, scb))
1660 return IPS_SUCCESS;
1661 else
1662 return IPS_FAILURE;
1663 }
1664 pt->BasicStatus = 0x0B;
1665 pt->ExtendedStatus = 0;
1666 scb->scsi_cmd->result = DID_OK << 16;
1667 /* IF it's OK to Use the "CD BOOT" Flash Buffer, then you can */
1668 /* avoid allocating a huge buffer per adapter ( which can fail ). */
1669 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1670 pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS) {
1671 pt->BasicStatus = 0;
1672 return ips_flash_bios(ha, pt, scb);
1673 } else if (pt->CoppCP.cmd.flashfw.packet_num == 0) {
1674 if (ips_FlashData && !test_and_set_bit(0, &ips_FlashDataInUse)){
1675 ha->flash_data = ips_FlashData;
1676 ha->flash_busaddr = ips_flashbusaddr;
1677 ha->flash_len = PAGE_SIZE << 7;
1678 ha->flash_datasize = 0;
1679 } else if (!ha->flash_data) {
1680 datasize = pt->CoppCP.cmd.flashfw.total_packets *
1681 pt->CoppCP.cmd.flashfw.count;
32e76961
CH		 1682 ha->flash_data = dma_alloc_coherent(&ha->pcidev->dev,
1683 datasize, &ha->flash_busaddr, GFP_KERNEL);
1da177e4
LT		 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/****************************************************************************/
1722static int
1723ips_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/****************************************************************************/
1786static int
1787ips_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/****************************************************************************/
1824static int
1825ips_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 =
32e76961 1861 dma_map_single(&ha->pcidev->dev, ha->flash_data, scb->data_len,
1da177e4
LT		 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/****************************************************************************/
1877static void
1878ips_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)
32e76961
CH		 1883 dma_free_coherent(&ha->pcidev->dev, ha->flash_len,
1884 ha->flash_data, ha->flash_busaddr);
1da177e4
LT		 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/****************************************************************************/
1897static int
1898ips_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/****************************************************************************/
1985static void
1986ips_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
2f4cf91c 1992 if ((!scb) || (!scb->scsi_cmd) || (!scsi_sglist(scb->scsi_cmd))) {
1da177e4
LT		 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
8a694cc8 2008 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD &&
1da177e4
LT		 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/****************************************************************************/
2025static int
aacce706 2026ips_host_info(ips_ha_t *ha, struct seq_file *m)
1da177e4 2027{
1da177e4
LT		 2028 METHOD_TRACE("ips_host_info", 1);
2029
91c40f24 2030 seq_puts(m, "\nIBM ServeRAID General Information:\n\n");
1da177e4
LT		 2031
2032 if ((le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) &&
2033 (le16_to_cpu(ha->nvram->adapter_type) != 0))
aacce706 2034 seq_printf(m, "\tController Type : %s\n",
1da177e4
LT		 2035 ips_adapter_name[ha->ad_type - 1]);
2036 else
91c40f24 2037 seq_puts(m, "\tController Type : Unknown\n");
1da177e4
LT		 2038
2039 if (ha->io_addr)
aacce706 2040 seq_printf(m,
1bb7109a 2041 "\tIO region : 0x%x (%d bytes)\n",
1da177e4
LT		 2042 ha->io_addr, ha->io_len);
2043
2044 if (ha->mem_addr) {
aacce706 2045 seq_printf(m,
1bb7109a 2046 "\tMemory region : 0x%x (%d bytes)\n",
1da177e4 2047 ha->mem_addr, ha->mem_len);
aacce706 2048 seq_printf(m,
1da177e4 2049 "\tShared memory address : 0x%lx\n",
1bb7109a 2050 (unsigned long)ha->mem_ptr);
1da177e4
LT		 2051 }
2052
aacce706 2053 seq_printf(m, "\tIRQ number : %d\n", ha->pcidev->irq);
1da177e4
LT		 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) {
2f277d6a 2059 if (ha->nvram->bios_low[3] == 0) {
aacce706
AV		 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]);
1da177e4
LT		 2066
2067 } else {
aacce706
AV		 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]);
1da177e4
LT		 2074 }
2075
2076 }
2077
2078 if (ha->enq->CodeBlkVersion[7] == 0) {
aacce706
AV		 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]);
1da177e4 2085 } else {
aacce706
AV		 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]);
1da177e4
LT		 2092 }
2093
2094 if (ha->enq->BootBlkVersion[7] == 0) {
aacce706
AV		 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]);
1da177e4 2101 } else {
aacce706
AV		 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]);
1da177e4
LT		 2108 }
2109
aacce706 2110 seq_printf(m, "\tDriver Version : %s%s\n",
1da177e4
LT		 2111 IPS_VERSION_HIGH, IPS_VERSION_LOW);
2112
aacce706 2113 seq_printf(m, "\tDriver Build : %d\n",
1da177e4
LT		 2114 IPS_BUILD_IDENT);
2115
aacce706 2116 seq_printf(m, "\tMax Physical Devices : %d\n",
1da177e4 2117 ha->enq->ucMaxPhysicalDevices);
aacce706 2118 seq_printf(m, "\tMax Active Commands : %d\n",
1da177e4 2119 ha->max_cmds);
aacce706 2120 seq_printf(m, "\tCurrent Queued Commands : %d\n",
1da177e4 2121 ha->scb_waitlist.count);
aacce706 2122 seq_printf(m, "\tCurrent Active Commands : %d\n",
1da177e4 2123 ha->scb_activelist.count - ha->num_ioctl);
aacce706 2124 seq_printf(m, "\tCurrent Queued PT Commands : %d\n",
1da177e4 2125 ha->copp_waitlist.count);
aacce706 2126 seq_printf(m, "\tCurrent Active PT Commands : %d\n",
1da177e4
LT		 2127 ha->num_ioctl);
2128
f50332ff 2129 seq_putc(m, '\n');
1da177e4 2130
aacce706 2131 return 0;
1da177e4
LT		 2132}
2133
2134/****************************************************************************/
2135/* */
2136/* Routine Name: ips_identify_controller */
2137/* */
2138/* Routine Description: */
2139/* */
2140/* Identify this controller */
2141/* */
2142/****************************************************************************/
2143static void
2144ips_identify_controller(ips_ha_t * ha)
2145{
2146 METHOD_TRACE("ips_identify_controller", 1);
2147
8a694cc8 2148 switch (ha->pcidev->device) {
1da177e4 2149 case IPS_DEVICEID_COPPERHEAD:
8a694cc8 2150 if (ha->pcidev->revision <= IPS_REVID_SERVERAID) {
1da177e4 2151 ha->ad_type = IPS_ADTYPE_SERVERAID;
8a694cc8 2152 } else if (ha->pcidev->revision == IPS_REVID_SERVERAID2) {
1da177e4 2153 ha->ad_type = IPS_ADTYPE_SERVERAID2;
8a694cc8 2154 } else if (ha->pcidev->revision == IPS_REVID_NAVAJO) {
1da177e4 2155 ha->ad_type = IPS_ADTYPE_NAVAJO;
8a694cc8 2156 } else if ((ha->pcidev->revision == IPS_REVID_SERVERAID2)
1da177e4
LT		 2157 && (ha->slot_num == 0)) {
2158 ha->ad_type = IPS_ADTYPE_KIOWA;
8a694cc8
JG		 2159 } else if ((ha->pcidev->revision >= IPS_REVID_CLARINETP1) &&
2160 (ha->pcidev->revision <= IPS_REVID_CLARINETP3)) {
1da177e4
LT		 2161 if (ha->enq->ucMaxPhysicalDevices == 15)
2162 ha->ad_type = IPS_ADTYPE_SERVERAID3L;
2163 else
2164 ha->ad_type = IPS_ADTYPE_SERVERAID3;
8a694cc8
JG		 2165 } else if ((ha->pcidev->revision >= IPS_REVID_TROMBONE32) &&
2166 (ha->pcidev->revision <= IPS_REVID_TROMBONE64)) {
1da177e4
LT		 2167 ha->ad_type = IPS_ADTYPE_SERVERAID4H;
2168 }
2169 break;
2170
2171 case IPS_DEVICEID_MORPHEUS:
8a694cc8 2172 switch (ha->pcidev->subsystem_device) {
1da177e4
LT		 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:
8a694cc8 2201 switch (ha->pcidev->subsystem_device) {
1da177e4
LT		 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/****************************************************************************/
2228static void
2229ips_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;
1da177e4
LT		 2237
2238 METHOD_TRACE("ips_get_bios_version", 1);
2239
2240 major = 0;
2241 minor = 0;
2242
2243 strncpy(ha->bios_version, " ?", 8);
2244
8a694cc8 2245 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD) {
1da177e4
LT		 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);
8a694cc8 2251 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 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);
8a694cc8 2258 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 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);
8a694cc8 2266 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 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);
8a694cc8 2273 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 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);
8a694cc8 2279 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 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);
8a694cc8 2288 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 2289 udelay(25); /* 25 us */
2290
2291 if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55)
2292 return;
2293
db3cc200 2294 outl(1, ha->io_addr + IPS_REG_FLAP);
8a694cc8 2295 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 2296 udelay(25); /* 25 us */
2297
2298 if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA)
2299 return;
2300
2301 /* Get Major version */
db3cc200 2302 outl(0x1FF, ha->io_addr + IPS_REG_FLAP);
8a694cc8 2303 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 2304 udelay(25); /* 25 us */
2305
2306 major = inb(ha->io_addr + IPS_REG_FLDP);
2307
2308 /* Get Minor version */
db3cc200 2309 outl(0x1FE, ha->io_addr + IPS_REG_FLAP);
8a694cc8 2310 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 2311 udelay(25); /* 25 us */
2312
2313 minor = inb(ha->io_addr + IPS_REG_FLDP);
2314
2315 /* Get SubMinor version */
db3cc200 2316 outl(0x1FD, ha->io_addr + IPS_REG_FLAP);
8a694cc8 2317 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 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
1bc50455 2367 ha->bios_version[0] = hex_asc_upper_hi(major);
1da177e4 2368 ha->bios_version[1] = '.';
1bc50455
AS		 2369 ha->bios_version[2] = hex_asc_upper_lo(major);
2370 ha->bios_version[3] = hex_asc_upper_lo(subminor);
1da177e4 2371 ha->bios_version[4] = '.';
1bc50455
AS		 2372 ha->bios_version[5] = hex_asc_upper_hi(minor);
2373 ha->bios_version[6] = hex_asc_upper_lo(minor);
1da177e4
LT		 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/****************************************************************************/
2388static int
2389ips_hainit(ips_ha_t * ha)
2390{
2391 int i;
1da177e4
LT		 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;
f990bee3 2406 ha->last_ffdc = ktime_get_real_seconds();
1da177e4
LT		 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/****************************************************************************/
2522static void
2523ips_next(ips_ha_t * ha, int intr)
2524{
2525 ips_scb_t *scb;
1516b55d
H		 2526 struct scsi_cmnd *SC;
2527 struct scsi_cmnd *p;
2528 struct scsi_cmnd *q;
1da177e4
LT		 2529 ips_copp_wait_item_t *item;
2530 int ret;
1da177e4
LT		 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)
c6a6c81c 2542 spin_lock(host->host_lock);
1da177e4
LT		 2543
2544 if ((ha->subsys->param[3] & 0x300000)
2545 && (ha->scb_activelist.count == 0)) {
f990bee3
AB		 2546 time64_t now = ktime_get_real_seconds();
2547 if (now - ha->last_ffdc > IPS_SECS_8HOURS) {
2548 ha->last_ffdc = now;
1da177e4
LT		 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)
c6a6c81c 2566 spin_unlock(host->host_lock);
1da177e4
LT		 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)
c6a6c81c 2573 spin_lock(host->host_lock);
1da177e4
LT		 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))) {
422c0d61 2630 if ((scmd_channel(p) > 0)
1da177e4 2631 && (ha->
422c0d61
JG		 2632 dcdb_active[scmd_channel(p) -
2633 1] & (1 << scmd_id(p)))) {
1da177e4 2634 ips_freescb(ha, scb);
1516b55d 2635 p = (struct scsi_cmnd *) p->host_scribble;
1da177e4
LT		 2636 continue;
2637 }
2638
2639 q = p;
2640 SC = ips_removeq_wait(&ha->scb_waitlist, q);
2641
2642 if (intr == IPS_INTR_ON)
c6a6c81c 2643 spin_unlock(host->host_lock); /* Unlock HA after command is taken off queue */
1da177e4
LT		 2644
2645 SC->result = DID_OK;
2646 SC->host_scribble = NULL;
2647
1da177e4
LT		 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
2f4cf91c
FT		 2661 scb->sg_count = scsi_dma_map(SC);
2662 BUG_ON(scb->sg_count < 0);
2663 if (scb->sg_count) {
1da177e4
LT		 2664 struct scatterlist *sg;
2665 int i;
2666
1da177e4 2667 scb->flags |= IPS_SCB_MAP_SG;
2f4cf91c
FT		 2668
2669 scsi_for_each_sg(SC, sg, scb->sg_count, i) {
1da177e4 2670 if (ips_fill_scb_sg_single
2f4cf91c
FT		 2671 (ha, sg_dma_address(sg), scb, i,
2672 sg_dma_len(sg)) < 0)
1da177e4
LT		 2673 break;
2674 }
2675 scb->dcdb.transfer_length = scb->data_len;
2676 } else {
2f4cf91c
FT		 2677 scb->data_busaddr = 0L;
2678 scb->sg_len = 0;
2679 scb->data_len = 0;
2680 scb->dcdb.transfer_length = 0;
1da177e4
LT		 2681 }
2682
2683 scb->dcdb.cmd_attribute =
2684 ips_command_direction[scb->scsi_cmd->cmnd[0]];
2685
2f277d6a
JG		 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;
1da177e4
LT		 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)
c6a6c81c 2700 spin_lock(host->host_lock);
1da177e4
LT		 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
1516b55d 2734 p = (struct scsi_cmnd *) p->host_scribble;
1da177e4
LT		 2735
2736 } /* end while */
2737
2738 if (intr == IPS_INTR_ON)
c6a6c81c 2739 spin_unlock(host->host_lock);
1da177e4
LT		 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/****************************************************************************/
2753static void
2754ips_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/****************************************************************************/
2781static ips_scb_t *
2782ips_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/****************************************************************************/
2816static ips_scb_t *
2817ips_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/****************************************************************************/
ac6424b9 2862static void ips_putq_wait_tail(ips_wait_queue_entry_t *queue, struct scsi_cmnd *item)
1da177e4
LT		 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/****************************************************************************/
ac6424b9 2893static struct scsi_cmnd *ips_removeq_wait_head(ips_wait_queue_entry_t *queue)
1da177e4 2894{
1516b55d 2895 struct scsi_cmnd *item;
1da177e4
LT		 2896
2897 METHOD_TRACE("ips_removeq_wait_head", 1);
2898
2899 item = queue->head;
2900
2901 if (!item) {
2902 return (NULL);
2903 }
2904
1516b55d 2905 queue->head = (struct scsi_cmnd *) item->host_scribble;
1da177e4
LT		 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/****************************************************************************/
ac6424b9 2927static struct scsi_cmnd *ips_removeq_wait(ips_wait_queue_entry_t *queue,
1516b55d 2928 struct scsi_cmnd *item)
1da177e4 2929{
1516b55d 2930 struct scsi_cmnd *p;
1da177e4
LT		 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
1516b55d
H		 2943 while ((p) && (item != (struct scsi_cmnd *) p->host_scribble))
2944 p = (struct scsi_cmnd *) p->host_scribble;
1da177e4
LT		 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/****************************************************************************/
2973static void
2974ips_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/****************************************************************************/
3005static ips_copp_wait_item_t *
3006ips_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/****************************************************************************/
3040static ips_copp_wait_item_t *
3041ips_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/****************************************************************************/
3084static void
3085ipsintr_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/****************************************************************************/
3106static void
3107ipsintr_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/****************************************************************************/
3138static void
3139ips_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)) {
2f4cf91c 3158 struct scatterlist *sg;
e0eaf888 3159 int i, sg_dma_index, ips_sg_index = 0;
2f4cf91c 3160
1da177e4
LT		 3161 /* we had a data breakup */
3162 scb->data_len = 0;
3163
2f4cf91c 3164 sg = scsi_sglist(scb->scsi_cmd);
1da177e4 3165
2f4cf91c
FT		 3166 /* Spin forward to last dma chunk */
3167 sg_dma_index = scb->breakup;
e0eaf888
FT		 3168 for (i = 0; i < scb->breakup; i++)
3169 sg = sg_next(sg);
1da177e4 3170
2f4cf91c
FT		 3171 /* Take care of possible partial on last chunk */
3172 ips_fill_scb_sg_single(ha,
e0eaf888 3173 sg_dma_address(sg),
2f4cf91c 3174 scb, ips_sg_index++,
e0eaf888 3175 sg_dma_len(sg));
2f4cf91c
FT		 3176
3177 for (; sg_dma_index < scsi_sg_count(scb->scsi_cmd);
e0eaf888 3178 sg_dma_index++, sg = sg_next(sg)) {
2f4cf91c
FT		 3179 if (ips_fill_scb_sg_single
3180 (ha,
e0eaf888 3181 sg_dma_address(sg),
2f4cf91c 3182 scb, ips_sg_index++,
e0eaf888 3183 sg_dma_len(sg)) < 0)
2f4cf91c
FT		 3184 break;
3185 }
1da177e4
LT		 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/****************************************************************************/
3244static int
3245ips_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;
a5b3c86e 3251 IPS_SCSI_INQ_DATA inquiryData;
1da177e4
LT		 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 */
a5b3c86e 3310 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
2f277d6a 3311 ips_scmd_buf_read(scb->scsi_cmd,
a5b3c86e
JH		 3312 &inquiryData, sizeof (inquiryData));
3313 if ((inquiryData.DeviceType & 0x1f) == TYPE_DISK) {
3314 errcode = DID_TIME_OUT;
3315 break;
3316 }
1da177e4
LT		 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,
b80ca4f7 3345 SCSI_SENSE_BUFFERSIZE);
1da177e4
LT		 3346 } else {
3347 memcpy(scb->scsi_cmd->sense_buffer,
3348 scb->dcdb.sense_info,
b80ca4f7 3349 SCSI_SENSE_BUFFERSIZE);
1da177e4
LT		 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/****************************************************************************/
3381static int
3382ips_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: */
1516b55d 3409/* Write data to struct scsi_cmnd request_buffer at proper offsets */
1da177e4
LT		 3410/****************************************************************************/
3411static void
1516b55d 3412ips_scmd_buf_write(struct scsi_cmnd *scmd, void *data, unsigned int count)
1da177e4 3413{
6690bae7 3414 unsigned long flags;
2f4cf91c 3415
6690bae7
FT		 3416 local_irq_save(flags);
3417 scsi_sg_copy_from_buffer(scmd, data, count);
3418 local_irq_restore(flags);
1da177e4
LT		 3419}
3420
3421/****************************************************************************/
3422/* */
3423/* Routine Name: ips_scmd_buf_read */
3424/* */
3425/* Routine Description: */
1516b55d 3426/* Copy data from a struct scsi_cmnd to a new, linear buffer */
1da177e4
LT		 3427/****************************************************************************/
3428static void
1516b55d 3429ips_scmd_buf_read(struct scsi_cmnd *scmd, void *data, unsigned int count)
1da177e4 3430{
6690bae7 3431 unsigned long flags;
2f4cf91c 3432
6690bae7
FT		 3433 local_irq_save(flags);
3434 scsi_sg_copy_to_buffer(scmd, data, count);
3435 local_irq_restore(flags);
1da177e4
LT		 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/****************************************************************************/
3447static int
3448ips_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;
5d25ff7a 3488 break;
1da177e4
LT		 3489
3490 case TEST_UNIT_READY:
3491 case INQUIRY:
3492 if (scb->target_id == IPS_ADAPTER_ID) {
3493 /*
3494 * Either we have a TUR
3495 * or we have a SCSI inquiry
3496 */
3497 if (scb->scsi_cmd->cmnd[0] == TEST_UNIT_READY)
3498 scb->scsi_cmd->result = DID_OK << 16;
3499
3500 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
3501 IPS_SCSI_INQ_DATA inquiry;
3502
3503 memset(&inquiry, 0,
3504 sizeof (IPS_SCSI_INQ_DATA));
3505
3506 inquiry.DeviceType =
3507 IPS_SCSI_INQ_TYPE_PROCESSOR;
3508 inquiry.DeviceTypeQualifier =
3509 IPS_SCSI_INQ_LU_CONNECTED;
3510 inquiry.Version = IPS_SCSI_INQ_REV2;
3511 inquiry.ResponseDataFormat =
3512 IPS_SCSI_INQ_RD_REV2;
3513 inquiry.AdditionalLength = 31;
3514 inquiry.Flags[0] =
3515 IPS_SCSI_INQ_Address16;
3516 inquiry.Flags[1] =
3517 IPS_SCSI_INQ_WBus16 |
3518 IPS_SCSI_INQ_Sync;
3519 strncpy(inquiry.VendorId, "IBM ",
3520 8);
3521 strncpy(inquiry.ProductId,
3522 "SERVERAID ", 16);
3523 strncpy(inquiry.ProductRevisionLevel,
3524 "1.00", 4);
3525
3526 ips_scmd_buf_write(scb->scsi_cmd,
3527 &inquiry,
3528 sizeof (inquiry));
3529
3530 scb->scsi_cmd->result = DID_OK << 16;
3531 }
3532 } else {
3533 scb->cmd.logical_info.op_code = IPS_CMD_GET_LD_INFO;
3534 scb->cmd.logical_info.command_id = IPS_COMMAND_ID(ha, scb);
3535 scb->cmd.logical_info.reserved = 0;
3536 scb->cmd.logical_info.reserved2 = 0;
3537 scb->data_len = sizeof (IPS_LD_INFO);
3538 scb->data_busaddr = ha->logical_drive_info_dma_addr;
3539 scb->flags = 0;
3540 scb->cmd.logical_info.buffer_addr = scb->data_busaddr;
3541 ret = IPS_SUCCESS;
3542 }
3543
3544 break;
3545
3546 case REQUEST_SENSE:
3547 ips_reqsen(ha, scb);
3548 scb->scsi_cmd->result = DID_OK << 16;
3549 break;
3550
3551 case READ_6:
3552 case WRITE_6:
3553 if (!scb->sg_len) {
3554 scb->cmd.basic_io.op_code =
3555 (scb->scsi_cmd->cmnd[0] ==
3556 READ_6) ? IPS_CMD_READ : IPS_CMD_WRITE;
3557 scb->cmd.basic_io.enhanced_sg = 0;
3558 scb->cmd.basic_io.sg_addr =
3559 cpu_to_le32(scb->data_busaddr);
3560 } else {
3561 scb->cmd.basic_io.op_code =
3562 (scb->scsi_cmd->cmnd[0] ==
3563 READ_6) ? IPS_CMD_READ_SG :
3564 IPS_CMD_WRITE_SG;
3565 scb->cmd.basic_io.enhanced_sg =
3566 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3567 scb->cmd.basic_io.sg_addr =
3568 cpu_to_le32(scb->sg_busaddr);
3569 }
3570
3571 scb->cmd.basic_io.segment_4G = 0;
3572 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3573 scb->cmd.basic_io.log_drv = scb->target_id;
3574 scb->cmd.basic_io.sg_count = scb->sg_len;
3575
3576 if (scb->cmd.basic_io.lba)
36b8dd1b 3577 le32_add_cpu(&scb->cmd.basic_io.lba,
1da177e4
LT		 3578 le16_to_cpu(scb->cmd.basic_io.
3579 sector_count));
3580 else
3581 scb->cmd.basic_io.lba =
3582 (((scb->scsi_cmd->
3583 cmnd[1] & 0x1f) << 16) | (scb->scsi_cmd->
3584 cmnd[2] << 8) |
3585 (scb->scsi_cmd->cmnd[3]));
3586
3587 scb->cmd.basic_io.sector_count =
3588 cpu_to_le16(scb->data_len / IPS_BLKSIZE);
3589
3590 if (le16_to_cpu(scb->cmd.basic_io.sector_count) == 0)
3591 scb->cmd.basic_io.sector_count =
3592 cpu_to_le16(256);
3593
3594 ret = IPS_SUCCESS;
3595 break;
3596
3597 case READ_10:
3598 case WRITE_10:
3599 if (!scb->sg_len) {
3600 scb->cmd.basic_io.op_code =
3601 (scb->scsi_cmd->cmnd[0] ==
3602 READ_10) ? IPS_CMD_READ : IPS_CMD_WRITE;
3603 scb->cmd.basic_io.enhanced_sg = 0;
3604 scb->cmd.basic_io.sg_addr =
3605 cpu_to_le32(scb->data_busaddr);
3606 } else {
3607 scb->cmd.basic_io.op_code =
3608 (scb->scsi_cmd->cmnd[0] ==
3609 READ_10) ? IPS_CMD_READ_SG :
3610 IPS_CMD_WRITE_SG;
3611 scb->cmd.basic_io.enhanced_sg =
3612 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3613 scb->cmd.basic_io.sg_addr =
3614 cpu_to_le32(scb->sg_busaddr);
3615 }
3616
3617 scb->cmd.basic_io.segment_4G = 0;
3618 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3619 scb->cmd.basic_io.log_drv = scb->target_id;
3620 scb->cmd.basic_io.sg_count = scb->sg_len;
3621
3622 if (scb->cmd.basic_io.lba)
36b8dd1b 3623 le32_add_cpu(&scb->cmd.basic_io.lba,
1da177e4
LT		 3624 le16_to_cpu(scb->cmd.basic_io.
3625 sector_count));
3626 else
3627 scb->cmd.basic_io.lba =
3628 ((scb->scsi_cmd->cmnd[2] << 24) | (scb->
3629 scsi_cmd->
3630 cmnd[3]
3631 << 16) |
3632 (scb->scsi_cmd->cmnd[4] << 8) | scb->
3633 scsi_cmd->cmnd[5]);
3634
3635 scb->cmd.basic_io.sector_count =
3636 cpu_to_le16(scb->data_len / IPS_BLKSIZE);
3637
3638 if (cpu_to_le16(scb->cmd.basic_io.sector_count) == 0) {
3639 /*
3640 * This is a null condition
3641 * we don't have to do anything
3642 * so just return
3643 */
3644 scb->scsi_cmd->result = DID_OK << 16;
3645 } else
3646 ret = IPS_SUCCESS;
3647
3648 break;
3649
3650 case RESERVE:
3651 case RELEASE:
3652 scb->scsi_cmd->result = DID_OK << 16;
3653 break;
3654
3655 case MODE_SENSE:
3656 scb->cmd.basic_io.op_code = IPS_CMD_ENQUIRY;
3657 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3658 scb->cmd.basic_io.segment_4G = 0;
3659 scb->cmd.basic_io.enhanced_sg = 0;
3660 scb->data_len = sizeof (*ha->enq);
3661 scb->cmd.basic_io.sg_addr = ha->enq_busaddr;
3662 ret = IPS_SUCCESS;
3663 break;
3664
3665 case READ_CAPACITY:
3666 scb->cmd.logical_info.op_code = IPS_CMD_GET_LD_INFO;
3667 scb->cmd.logical_info.command_id = IPS_COMMAND_ID(ha, scb);
3668 scb->cmd.logical_info.reserved = 0;
3669 scb->cmd.logical_info.reserved2 = 0;
3670 scb->cmd.logical_info.reserved3 = 0;
3671 scb->data_len = sizeof (IPS_LD_INFO);
3672 scb->data_busaddr = ha->logical_drive_info_dma_addr;
3673 scb->flags = 0;
3674 scb->cmd.logical_info.buffer_addr = scb->data_busaddr;
3675 ret = IPS_SUCCESS;
3676 break;
3677
3678 case SEND_DIAGNOSTIC:
3679 case REASSIGN_BLOCKS:
3680 case FORMAT_UNIT:
3681 case SEEK_10:
3682 case VERIFY:
3683 case READ_DEFECT_DATA:
3684 case READ_BUFFER:
3685 case WRITE_BUFFER:
3686 scb->scsi_cmd->result = DID_OK << 16;
3687 break;
3688
3689 default:
3690 /* Set the Return Info to appear like the Command was */
3691 /* attempted, a Check Condition occurred, and Sense */
3692 /* Data indicating an Invalid CDB OpCode is returned. */
3693 sp = (char *) scb->scsi_cmd->sense_buffer;
1da177e4
LT		 3694
3695 sp[0] = 0x70; /* Error Code */
3696 sp[2] = ILLEGAL_REQUEST; /* Sense Key 5 Illegal Req. */
3697 sp[7] = 0x0A; /* Additional Sense Length */
3698 sp[12] = 0x20; /* ASC = Invalid OpCode */
3699 sp[13] = 0x00; /* ASCQ */
3700
3701 device_error = 2; /* Indicate Check Condition */
3702 scb->scsi_cmd->result = device_error | (DID_OK << 16);
3703 break;
3704 } /* end switch */
3705 }
3706 /* end if */
3707 if (ret == IPS_SUCCESS_IMM)
3708 return (ret);
3709
3710 /* setup DCDB */
3711 if (scb->bus > 0) {
3712
3713 /* If we already know the Device is Not there, no need to attempt a Command */
3714 /* This also protects an NT FailOver Controller from getting CDB's sent to it */
3715 if (ha->conf->dev[scb->bus - 1][scb->target_id].ucState == 0) {
3716 scb->scsi_cmd->result = DID_NO_CONNECT << 16;
3717 return (IPS_SUCCESS_IMM);
3718 }
3719
3720 ha->dcdb_active[scb->bus - 1] |= (1 << scb->target_id);
3721 scb->cmd.dcdb.command_id = IPS_COMMAND_ID(ha, scb);
3722 scb->cmd.dcdb.dcdb_address = cpu_to_le32(scb->scb_busaddr +
3723 (unsigned long) &scb->
3724 dcdb -
3725 (unsigned long) scb);
3726 scb->cmd.dcdb.reserved = 0;
3727 scb->cmd.dcdb.reserved2 = 0;
3728 scb->cmd.dcdb.reserved3 = 0;
3729 scb->cmd.dcdb.segment_4G = 0;
3730 scb->cmd.dcdb.enhanced_sg = 0;
3731
242f9dcb 3732 TimeOut = scb->scsi_cmd->request->timeout;
1da177e4
LT		 3733
3734 if (ha->subsys->param[4] & 0x00100000) { /* If NEW Tape DCDB is Supported */
3735 if (!scb->sg_len) {
3736 scb->cmd.dcdb.op_code = IPS_CMD_EXTENDED_DCDB;
3737 } else {
3738 scb->cmd.dcdb.op_code =
3739 IPS_CMD_EXTENDED_DCDB_SG;
3740 scb->cmd.dcdb.enhanced_sg =
3741 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3742 }
3743
3744 tapeDCDB = (IPS_DCDB_TABLE_TAPE *) & scb->dcdb; /* Use Same Data Area as Old DCDB Struct */
3745 tapeDCDB->device_address =
3746 ((scb->bus - 1) << 4) | scb->target_id;
3747 tapeDCDB->cmd_attribute |= IPS_DISCONNECT_ALLOWED;
3748 tapeDCDB->cmd_attribute &= ~IPS_TRANSFER64K; /* Always Turn OFF 64K Size Flag */
3749
3750 if (TimeOut) {
3751 if (TimeOut < (10 * HZ))
3752 tapeDCDB->cmd_attribute |= IPS_TIMEOUT10; /* TimeOut is 10 Seconds */
3753 else if (TimeOut < (60 * HZ))
3754 tapeDCDB->cmd_attribute |= IPS_TIMEOUT60; /* TimeOut is 60 Seconds */
3755 else if (TimeOut < (1200 * HZ))
3756 tapeDCDB->cmd_attribute |= IPS_TIMEOUT20M; /* TimeOut is 20 Minutes */
3757 }
3758
3759 tapeDCDB->cdb_length = scb->scsi_cmd->cmd_len;
3760 tapeDCDB->reserved_for_LUN = 0;
3761 tapeDCDB->transfer_length = scb->data_len;
3762 if (scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB_SG)
3763 tapeDCDB->buffer_pointer =
3764 cpu_to_le32(scb->sg_busaddr);
3765 else
3766 tapeDCDB->buffer_pointer =
3767 cpu_to_le32(scb->data_busaddr);
3768 tapeDCDB->sg_count = scb->sg_len;
3769 tapeDCDB->sense_length = sizeof (tapeDCDB->sense_info);
3770 tapeDCDB->scsi_status = 0;
3771 tapeDCDB->reserved = 0;
3772 memcpy(tapeDCDB->scsi_cdb, scb->scsi_cmd->cmnd,
3773 scb->scsi_cmd->cmd_len);
3774 } else {
3775 if (!scb->sg_len) {
3776 scb->cmd.dcdb.op_code = IPS_CMD_DCDB;
3777 } else {
3778 scb->cmd.dcdb.op_code = IPS_CMD_DCDB_SG;
3779 scb->cmd.dcdb.enhanced_sg =
3780 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3781 }
3782
3783 scb->dcdb.device_address =
3784 ((scb->bus - 1) << 4) | scb->target_id;
3785 scb->dcdb.cmd_attribute |= IPS_DISCONNECT_ALLOWED;
3786
3787 if (TimeOut) {
3788 if (TimeOut < (10 * HZ))
3789 scb->dcdb.cmd_attribute |= IPS_TIMEOUT10; /* TimeOut is 10 Seconds */
3790 else if (TimeOut < (60 * HZ))
3791 scb->dcdb.cmd_attribute |= IPS_TIMEOUT60; /* TimeOut is 60 Seconds */
3792 else if (TimeOut < (1200 * HZ))
3793 scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M; /* TimeOut is 20 Minutes */
3794 }
3795
3796 scb->dcdb.transfer_length = scb->data_len;
3797 if (scb->dcdb.cmd_attribute & IPS_TRANSFER64K)
3798 scb->dcdb.transfer_length = 0;
3799 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB_SG)
3800 scb->dcdb.buffer_pointer =
3801 cpu_to_le32(scb->sg_busaddr);
3802 else
3803 scb->dcdb.buffer_pointer =
3804 cpu_to_le32(scb->data_busaddr);
3805 scb->dcdb.cdb_length = scb->scsi_cmd->cmd_len;
3806 scb->dcdb.sense_length = sizeof (scb->dcdb.sense_info);
3807 scb->dcdb.sg_count = scb->sg_len;
3808 scb->dcdb.reserved = 0;
3809 memcpy(scb->dcdb.scsi_cdb, scb->scsi_cmd->cmnd,
3810 scb->scsi_cmd->cmd_len);
3811 scb->dcdb.scsi_status = 0;
3812 scb->dcdb.reserved2[0] = 0;
3813 scb->dcdb.reserved2[1] = 0;
3814 scb->dcdb.reserved2[2] = 0;
3815 }
3816 }
3817
3818 return ((*ha->func.issue) (ha, scb));
3819}
3820
3821/****************************************************************************/
3822/* */
3823/* Routine Name: ips_chk_status */
3824/* */
3825/* Routine Description: */
3826/* */
3827/* Check the status of commands to logical drives */
3828/* Assumed to be called with the HA lock */
3829/****************************************************************************/
3830static void
3831ips_chkstatus(ips_ha_t * ha, IPS_STATUS * pstatus)
3832{
3833 ips_scb_t *scb;
3834 ips_stat_t *sp;
3835 uint8_t basic_status;
3836 uint8_t ext_status;
3837 int errcode;
a5b3c86e 3838 IPS_SCSI_INQ_DATA inquiryData;
1da177e4
LT		 3839
3840 METHOD_TRACE("ips_chkstatus", 1);
3841
3842 scb = &ha->scbs[pstatus->fields.command_id];
3843 scb->basic_status = basic_status =
3844 pstatus->fields.basic_status & IPS_BASIC_STATUS_MASK;
3845 scb->extended_status = ext_status = pstatus->fields.extended_status;
3846
3847 sp = &ha->sp;
3848 sp->residue_len = 0;
3849 sp->scb_addr = (void *) scb;
3850
3851 /* Remove the item from the active queue */
3852 ips_removeq_scb(&ha->scb_activelist, scb);
3853
3854 if (!scb->scsi_cmd)
3855 /* internal commands are handled in do_ipsintr */
3856 return;
3857
3858 DEBUG_VAR(2, "(%s%d) ips_chkstatus: cmd 0x%X id %d (%d %d %d)",
3859 ips_name,
3860 ha->host_num,
3861 scb->cdb[0],
3862 scb->cmd.basic_io.command_id,
3863 scb->bus, scb->target_id, scb->lun);
3864
3865 if ((scb->scsi_cmd) && (ips_is_passthru(scb->scsi_cmd)))
3866 /* passthru - just returns the raw result */
3867 return;
3868
3869 errcode = DID_OK;
3870
3871 if (((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_SUCCESS) ||
3872 ((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_RECOVERED_ERROR)) {
3873
3874 if (scb->bus == 0) {
3875 if ((basic_status & IPS_GSC_STATUS_MASK) ==
3876 IPS_CMD_RECOVERED_ERROR) {
3877 DEBUG_VAR(1,
3878 "(%s%d) Recovered Logical Drive Error OpCode: %x, BSB: %x, ESB: %x",
3879 ips_name, ha->host_num,
3880 scb->cmd.basic_io.op_code,
3881 basic_status, ext_status);
3882 }
3883
3884 switch (scb->scsi_cmd->cmnd[0]) {
3885 case ALLOW_MEDIUM_REMOVAL:
3886 case REZERO_UNIT:
3887 case ERASE:
3888 case WRITE_FILEMARKS:
3889 case SPACE:
3890 errcode = DID_ERROR;
3891 break;
3892
3893 case START_STOP:
3894 break;
3895
3896 case TEST_UNIT_READY:
3897 if (!ips_online(ha, scb)) {
3898 errcode = DID_TIME_OUT;
3899 }
3900 break;
3901
3902 case INQUIRY:
3903 if (ips_online(ha, scb)) {
3904 ips_inquiry(ha, scb);
3905 } else {
3906 errcode = DID_TIME_OUT;
3907 }
3908 break;
3909
3910 case REQUEST_SENSE:
3911 ips_reqsen(ha, scb);
3912 break;
3913
3914 case READ_6:
3915 case WRITE_6:
3916 case READ_10:
3917 case WRITE_10:
3918 case RESERVE:
3919 case RELEASE:
3920 break;
3921
3922 case MODE_SENSE:
3923 if (!ips_online(ha, scb)
3924 || !ips_msense(ha, scb)) {
3925 errcode = DID_ERROR;
3926 }
3927 break;
3928
3929 case READ_CAPACITY:
3930 if (ips_online(ha, scb))
3931 ips_rdcap(ha, scb);
3932 else {
3933 errcode = DID_TIME_OUT;
3934 }
3935 break;
3936
3937 case SEND_DIAGNOSTIC:
3938 case REASSIGN_BLOCKS:
3939 break;
3940
3941 case FORMAT_UNIT:
3942 errcode = DID_ERROR;
3943 break;
3944
3945 case SEEK_10:
3946 case VERIFY:
3947 case READ_DEFECT_DATA:
3948 case READ_BUFFER:
3949 case WRITE_BUFFER:
3950 break;
3951
3952 default:
3953 errcode = DID_ERROR;
3954 } /* end switch */
3955
3956 scb->scsi_cmd->result = errcode << 16;
3957 } else { /* bus == 0 */
3958 /* restrict access to physical drives */
2f277d6a
JG		 3959 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
3960 ips_scmd_buf_read(scb->scsi_cmd,
a5b3c86e 3961 &inquiryData, sizeof (inquiryData));
2f277d6a 3962 if ((inquiryData.DeviceType & 0x1f) == TYPE_DISK)
a5b3c86e 3963 scb->scsi_cmd->result = DID_TIME_OUT << 16;
1da177e4
LT		 3964 }
3965 } /* else */
3966 } else { /* recovered error / success */
3967 if (scb->bus == 0) {
3968 DEBUG_VAR(1,
3969 "(%s%d) Unrecovered Logical Drive Error OpCode: %x, BSB: %x, ESB: %x",
3970 ips_name, ha->host_num,
3971 scb->cmd.basic_io.op_code, basic_status,
3972 ext_status);
3973 }
3974
3975 ips_map_status(ha, scb, sp);
3976 } /* else */
3977}
3978
3979/****************************************************************************/
3980/* */
3981/* Routine Name: ips_online */
3982/* */
3983/* Routine Description: */
3984/* */
3985/* Determine if a logical drive is online */
3986/* */
3987/****************************************************************************/
3988static int
3989ips_online(ips_ha_t * ha, ips_scb_t * scb)
3990{
3991 METHOD_TRACE("ips_online", 1);
3992
3993 if (scb->target_id >= IPS_MAX_LD)
3994 return (0);
3995
3996 if ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1) {
3997 memset(ha->logical_drive_info, 0, sizeof (IPS_LD_INFO));
3998 return (0);
3999 }
4000
4001 if (ha->logical_drive_info->drive_info[scb->target_id].state !=
4002 IPS_LD_OFFLINE
4003 && ha->logical_drive_info->drive_info[scb->target_id].state !=
4004 IPS_LD_FREE
4005 && ha->logical_drive_info->drive_info[scb->target_id].state !=
4006 IPS_LD_CRS
4007 && ha->logical_drive_info->drive_info[scb->target_id].state !=
4008 IPS_LD_SYS)
4009 return (1);
4010 else
4011 return (0);
4012}
4013
4014/****************************************************************************/
4015/* */
4016/* Routine Name: ips_inquiry */
4017/* */
4018/* Routine Description: */
4019/* */
4020/* Simulate an inquiry command to a logical drive */
4021/* */
4022/****************************************************************************/
4023static int
4024ips_inquiry(ips_ha_t * ha, ips_scb_t * scb)
4025{
4026 IPS_SCSI_INQ_DATA inquiry;
4027
4028 METHOD_TRACE("ips_inquiry", 1);
4029
4030 memset(&inquiry, 0, sizeof (IPS_SCSI_INQ_DATA));
4031
4032 inquiry.DeviceType = IPS_SCSI_INQ_TYPE_DASD;
4033 inquiry.DeviceTypeQualifier = IPS_SCSI_INQ_LU_CONNECTED;
4034 inquiry.Version = IPS_SCSI_INQ_REV2;
4035 inquiry.ResponseDataFormat = IPS_SCSI_INQ_RD_REV2;
4036 inquiry.AdditionalLength = 31;
4037 inquiry.Flags[0] = IPS_SCSI_INQ_Address16;
4038 inquiry.Flags[1] =
4039 IPS_SCSI_INQ_WBus16 | IPS_SCSI_INQ_Sync | IPS_SCSI_INQ_CmdQue;
4040 strncpy(inquiry.VendorId, "IBM ", 8);
4041 strncpy(inquiry.ProductId, "SERVERAID ", 16);
4042 strncpy(inquiry.ProductRevisionLevel, "1.00", 4);
4043
4044 ips_scmd_buf_write(scb->scsi_cmd, &inquiry, sizeof (inquiry));
4045
4046 return (1);
4047}
4048
4049/****************************************************************************/
4050/* */
4051/* Routine Name: ips_rdcap */
4052/* */
4053/* Routine Description: */
4054/* */
4055/* Simulate a read capacity command to a logical drive */
4056/* */
4057/****************************************************************************/
4058static int
4059ips_rdcap(ips_ha_t * ha, ips_scb_t * scb)
4060{
4061 IPS_SCSI_CAPACITY cap;
4062
4063 METHOD_TRACE("ips_rdcap", 1);
4064
2f4cf91c 4065 if (scsi_bufflen(scb->scsi_cmd) < 8)
1da177e4
LT		 4066 return (0);
4067
4068 cap.lba =
4069 cpu_to_be32(le32_to_cpu
4070 (ha->logical_drive_info->
4071 drive_info[scb->target_id].sector_count) - 1);
4072 cap.len = cpu_to_be32((uint32_t) IPS_BLKSIZE);
4073
4074 ips_scmd_buf_write(scb->scsi_cmd, &cap, sizeof (cap));
4075
4076 return (1);
4077}
4078
4079/****************************************************************************/
4080/* */
4081/* Routine Name: ips_msense */
4082/* */
4083/* Routine Description: */
4084/* */
4085/* Simulate a mode sense command to a logical drive */
4086/* */
4087/****************************************************************************/
4088static int
4089ips_msense(ips_ha_t * ha, ips_scb_t * scb)
4090{
4091 uint16_t heads;
4092 uint16_t sectors;
4093 uint32_t cylinders;
4094 IPS_SCSI_MODE_PAGE_DATA mdata;
4095
4096 METHOD_TRACE("ips_msense", 1);
4097
4098 if (le32_to_cpu(ha->enq->ulDriveSize[scb->target_id]) > 0x400000 &&
4099 (ha->enq->ucMiscFlag & 0x8) == 0) {
4100 heads = IPS_NORM_HEADS;
4101 sectors = IPS_NORM_SECTORS;
4102 } else {
4103 heads = IPS_COMP_HEADS;
4104 sectors = IPS_COMP_SECTORS;
4105 }
4106
4107 cylinders =
4108 (le32_to_cpu(ha->enq->ulDriveSize[scb->target_id]) -
4109 1) / (heads * sectors);
4110
4111 memset(&mdata, 0, sizeof (IPS_SCSI_MODE_PAGE_DATA));
4112
4113 mdata.hdr.BlockDescLength = 8;
4114
4115 switch (scb->scsi_cmd->cmnd[2] & 0x3f) {
4116 case 0x03: /* page 3 */
4117 mdata.pdata.pg3.PageCode = 3;
4118 mdata.pdata.pg3.PageLength = sizeof (IPS_SCSI_MODE_PAGE3);
4119 mdata.hdr.DataLength =
4120 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg3.PageLength;
4121 mdata.pdata.pg3.TracksPerZone = 0;
4122 mdata.pdata.pg3.AltSectorsPerZone = 0;
4123 mdata.pdata.pg3.AltTracksPerZone = 0;
4124 mdata.pdata.pg3.AltTracksPerVolume = 0;
4125 mdata.pdata.pg3.SectorsPerTrack = cpu_to_be16(sectors);
4126 mdata.pdata.pg3.BytesPerSector = cpu_to_be16(IPS_BLKSIZE);
4127 mdata.pdata.pg3.Interleave = cpu_to_be16(1);
4128 mdata.pdata.pg3.TrackSkew = 0;
4129 mdata.pdata.pg3.CylinderSkew = 0;
4130 mdata.pdata.pg3.flags = IPS_SCSI_MP3_SoftSector;
4131 break;
4132
4133 case 0x4:
4134 mdata.pdata.pg4.PageCode = 4;
4135 mdata.pdata.pg4.PageLength = sizeof (IPS_SCSI_MODE_PAGE4);
4136 mdata.hdr.DataLength =
4137 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg4.PageLength;
4138 mdata.pdata.pg4.CylindersHigh =
4139 cpu_to_be16((cylinders >> 8) & 0xFFFF);
4140 mdata.pdata.pg4.CylindersLow = (cylinders & 0xFF);
4141 mdata.pdata.pg4.Heads = heads;
4142 mdata.pdata.pg4.WritePrecompHigh = 0;
4143 mdata.pdata.pg4.WritePrecompLow = 0;
4144 mdata.pdata.pg4.ReducedWriteCurrentHigh = 0;
4145 mdata.pdata.pg4.ReducedWriteCurrentLow = 0;
4146 mdata.pdata.pg4.StepRate = cpu_to_be16(1);
4147 mdata.pdata.pg4.LandingZoneHigh = 0;
4148 mdata.pdata.pg4.LandingZoneLow = 0;
4149 mdata.pdata.pg4.flags = 0;
4150 mdata.pdata.pg4.RotationalOffset = 0;
4151 mdata.pdata.pg4.MediumRotationRate = 0;
4152 break;
4153 case 0x8:
4154 mdata.pdata.pg8.PageCode = 8;
4155 mdata.pdata.pg8.PageLength = sizeof (IPS_SCSI_MODE_PAGE8);
4156 mdata.hdr.DataLength =
4157 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg8.PageLength;
4158 /* everything else is left set to 0 */
4159 break;
4160
4161 default:
4162 return (0);
4163 } /* end switch */
4164
4165 ips_scmd_buf_write(scb->scsi_cmd, &mdata, sizeof (mdata));
4166
4167 return (1);
4168}
4169
4170/****************************************************************************/
4171/* */
4172/* Routine Name: ips_reqsen */
4173/* */
4174/* Routine Description: */
4175/* */
4176/* Simulate a request sense command to a logical drive */
4177/* */
4178/****************************************************************************/
4179static int
4180ips_reqsen(ips_ha_t * ha, ips_scb_t * scb)
4181{
4182 IPS_SCSI_REQSEN reqsen;
4183
4184 METHOD_TRACE("ips_reqsen", 1);
4185
4186 memset(&reqsen, 0, sizeof (IPS_SCSI_REQSEN));
4187
4188 reqsen.ResponseCode =
4189 IPS_SCSI_REQSEN_VALID | IPS_SCSI_REQSEN_CURRENT_ERR;
4190 reqsen.AdditionalLength = 10;
4191 reqsen.AdditionalSenseCode = IPS_SCSI_REQSEN_NO_SENSE;
4192 reqsen.AdditionalSenseCodeQual = IPS_SCSI_REQSEN_NO_SENSE;
4193
4194 ips_scmd_buf_write(scb->scsi_cmd, &reqsen, sizeof (reqsen));
4195
4196 return (1);
4197}
4198
4199/****************************************************************************/
4200/* */
4201/* Routine Name: ips_free */
4202/* */
4203/* Routine Description: */
4204/* */
4205/* Free any allocated space for this controller */
4206/* */
4207/****************************************************************************/
4208static void
4209ips_free(ips_ha_t * ha)
4210{
4211
4212 METHOD_TRACE("ips_free", 1);
4213
4214 if (ha) {
4215 if (ha->enq) {
32e76961 4216 dma_free_coherent(&ha->pcidev->dev, sizeof(IPS_ENQ),
1da177e4
LT		 4217 ha->enq, ha->enq_busaddr);
4218 ha->enq = NULL;
4219 }
4220
c9475cb0
JJ		 4221 kfree(ha->conf);
4222 ha->conf = NULL;
1da177e4
LT		 4223
4224 if (ha->adapt) {
32e76961 4225 dma_free_coherent(&ha->pcidev->dev,
1da177e4
LT		 4226 sizeof (IPS_ADAPTER) +
4227 sizeof (IPS_IO_CMD), ha->adapt,
4228 ha->adapt->hw_status_start);
4229 ha->adapt = NULL;
4230 }
4231
4232 if (ha->logical_drive_info) {
32e76961 4233 dma_free_coherent(&ha->pcidev->dev,
1da177e4
LT		 4234 sizeof (IPS_LD_INFO),
4235 ha->logical_drive_info,
4236 ha->logical_drive_info_dma_addr);
4237 ha->logical_drive_info = NULL;
4238 }
4239
c9475cb0
JJ		 4240 kfree(ha->nvram);
4241 ha->nvram = NULL;
1da177e4 4242
c9475cb0
JJ		 4243 kfree(ha->subsys);
4244 ha->subsys = NULL;
1da177e4
LT		 4245
4246 if (ha->ioctl_data) {
32e76961 4247 dma_free_coherent(&ha->pcidev->dev, ha->ioctl_len,
1da177e4
LT		 4248 ha->ioctl_data, ha->ioctl_busaddr);
4249 ha->ioctl_data = NULL;
4250 ha->ioctl_datasize = 0;
4251 ha->ioctl_len = 0;
4252 }
4253 ips_deallocatescbs(ha, ha->max_cmds);
4254
4255 /* free memory mapped (if applicable) */
4256 if (ha->mem_ptr) {
4257 iounmap(ha->ioremap_ptr);
4258 ha->ioremap_ptr = NULL;
4259 ha->mem_ptr = NULL;
4260 }
4261
1da177e4
LT		 4262 ha->mem_addr = 0;
4263
4264 }
4265}
4266
4267/****************************************************************************/
4268/* */
4269/* Routine Name: ips_deallocatescbs */
4270/* */
4271/* Routine Description: */
4272/* */
4273/* Free the command blocks */
4274/* */
4275/****************************************************************************/
4276static int
4277ips_deallocatescbs(ips_ha_t * ha, int cmds)
4278{
4279 if (ha->scbs) {
32e76961 4280 dma_free_coherent(&ha->pcidev->dev,
1da177e4
LT		 4281 IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * cmds,
4282 ha->scbs->sg_list.list,
4283 ha->scbs->sg_busaddr);
32e76961 4284 dma_free_coherent(&ha->pcidev->dev, sizeof (ips_scb_t) * cmds,
1da177e4
LT		 4285 ha->scbs, ha->scbs->scb_busaddr);
4286 ha->scbs = NULL;
4287 } /* end if */
4288 return 1;
4289}
4290
4291/****************************************************************************/
4292/* */
4293/* Routine Name: ips_allocatescbs */
4294/* */
4295/* Routine Description: */
4296/* */
4297/* Allocate the command blocks */
4298/* */
4299/****************************************************************************/
4300static int
4301ips_allocatescbs(ips_ha_t * ha)
4302{
4303 ips_scb_t *scb_p;
4304 IPS_SG_LIST ips_sg;
4305 int i;
4306 dma_addr_t command_dma, sg_dma;
4307
4308 METHOD_TRACE("ips_allocatescbs", 1);
4309
4310 /* Allocate memory for the SCBs */
32e76961
CH		 4311 ha->scbs = dma_alloc_coherent(&ha->pcidev->dev,
4312 ha->max_cmds * sizeof (ips_scb_t),
4313 &command_dma, GFP_KERNEL);
1da177e4
LT		 4314 if (ha->scbs == NULL)
4315 return 0;
32e76961
CH		 4316 ips_sg.list = dma_alloc_coherent(&ha->pcidev->dev,
4317 IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * ha->max_cmds,
4318 &sg_dma, GFP_KERNEL);
1da177e4 4319 if (ips_sg.list == NULL) {
32e76961 4320 dma_free_coherent(&ha->pcidev->dev,
1da177e4
LT		 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/****************************************************************************/
4364static void
4365ips_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/* */
42b2aa86 4406/* ASSUMED to be called from within a lock */
1da177e4
LT		 4407/* */
4408/****************************************************************************/
4409static ips_scb_t *
4410ips_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/****************************************************************************/
4441static void
4442ips_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)
2f4cf91c 4447 scsi_dma_unmap(scb->scsi_cmd);
1da177e4 4448 else if (scb->flags & IPS_SCB_MAP_SINGLE)
32e76961
CH		 4449 dma_unmap_single(&ha->pcidev->dev, scb->data_busaddr,
4450 scb->data_len, IPS_DMA_DIR(scb));
1da177e4
LT		 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/****************************************************************************/
4468static int
4469ips_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/****************************************************************************/
4494static int
4495ips_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/****************************************************************************/
4520static int
4521ips_isinit_morpheus(ips_ha_t * ha)
4522{
4523 uint32_t post;
4524 uint32_t bits;
4525
4526 METHOD_TRACE("ips_is_init_morpheus", 1);
2f277d6a
JG		 4527
4528 if (ips_isintr_morpheus(ha))
ee807c2d 4529 ips_flush_and_reset(ha);
1da177e4
LT		 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
ee807c2d
JH		 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/****************************************************************************/
2f277d6a 4552static void
ee807c2d
JH		 4553ips_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 */
32e76961
CH		 4562 scb = dma_alloc_coherent(&ha->pcidev->dev, sizeof(ips_scb_t),
4563 &command_dma, GFP_KERNEL);
ee807c2d
JH		 4564 if (scb) {
4565 memset(scb, 0, sizeof(ips_scb_t));
4566 ips_init_scb(ha, scb);
4567 scb->scb_busaddr = command_dma;
4568
4569 scb->timeout = ips_cmd_timeout;
4570 scb->cdb[0] = IPS_CMD_FLUSH;
4571
4572 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
4573 scb->cmd.flush_cache.command_id = IPS_MAX_CMDS; /* Use an ID that would otherwise not exist */
4574 scb->cmd.flush_cache.state = IPS_NORM_STATE;
4575 scb->cmd.flush_cache.reserved = 0;
4576 scb->cmd.flush_cache.reserved2 = 0;
4577 scb->cmd.flush_cache.reserved3 = 0;
4578 scb->cmd.flush_cache.reserved4 = 0;
4579
4580 ret = ips_send_cmd(ha, scb); /* Send the Flush Command */
4581
4582 if (ret == IPS_SUCCESS) {
4583 time = 60 * IPS_ONE_SEC; /* Max Wait time is 60 seconds */
4584 done = 0;
2f277d6a 4585
ee807c2d 4586 while ((time > 0) && (!done)) {
2f277d6a 4587 done = ips_poll_for_flush_complete(ha);
ee807c2d
JH		 4588 /* This may look evil, but it's only done during extremely rare start-up conditions ! */
4589 udelay(1000);
4590 time--;
4591 }
4592 }
4593 }
4594
4595 /* Now RESET and INIT the adapter */
4596 (*ha->func.reset) (ha);
4597
32e76961 4598 dma_free_coherent(&ha->pcidev->dev, sizeof(ips_scb_t), scb, command_dma);
ee807c2d
JH		 4599 return;
4600}
4601
4602/****************************************************************************/
4603/* */
4604/* Routine Name: ips_poll_for_flush_complete */
4605/* */
4606/* Routine Description: */
4607/* */
4608/* Poll for the Flush Command issued by ips_flush_and_reset() to complete */
4609/* All other responses are just taken off the queue and ignored */
4610/* */
4611/****************************************************************************/
4612static int
4613ips_poll_for_flush_complete(ips_ha_t * ha)
4614{
4615 IPS_STATUS cstatus;
2f277d6a 4616
ee807c2d
JH		 4617 while (TRUE) {
4618 cstatus.value = (*ha->func.statupd) (ha);
4619
4620 if (cstatus.value == 0xffffffff) /* If No Interrupt to process */
4621 break;
2f277d6a 4622
ee807c2d 4623 /* Success is when we see the Flush Command ID */
2f277d6a 4624 if (cstatus.fields.command_id == IPS_MAX_CMDS)
ee807c2d 4625 return 1;
2f277d6a 4626 }
ee807c2d
JH		 4627
4628 return 0;
0ee957cb 4629}
ee807c2d 4630
1da177e4
LT		 4631/****************************************************************************/
4632/* */
4633/* Routine Name: ips_enable_int_copperhead */
4634/* */
4635/* Routine Description: */
4636/* Turn on interrupts */
4637/* */
4638/****************************************************************************/
4639static void
4640ips_enable_int_copperhead(ips_ha_t * ha)
4641{
4642 METHOD_TRACE("ips_enable_int_copperhead", 1);
4643
4644 outb(ha->io_addr + IPS_REG_HISR, IPS_BIT_EI);
4645 inb(ha->io_addr + IPS_REG_HISR); /*Ensure PCI Posting Completes*/
4646}
4647
4648/****************************************************************************/
4649/* */
4650/* Routine Name: ips_enable_int_copperhead_memio */
4651/* */
4652/* Routine Description: */
4653/* Turn on interrupts */
4654/* */
4655/****************************************************************************/
4656static void
4657ips_enable_int_copperhead_memio(ips_ha_t * ha)
4658{
4659 METHOD_TRACE("ips_enable_int_copperhead_memio", 1);
4660
4661 writeb(IPS_BIT_EI, ha->mem_ptr + IPS_REG_HISR);
4662 readb(ha->mem_ptr + IPS_REG_HISR); /*Ensure PCI Posting Completes*/
4663}
4664
4665/****************************************************************************/
4666/* */
4667/* Routine Name: ips_enable_int_morpheus */
4668/* */
4669/* Routine Description: */
4670/* Turn on interrupts */
4671/* */
4672/****************************************************************************/
4673static void
4674ips_enable_int_morpheus(ips_ha_t * ha)
4675{
4676 uint32_t Oimr;
4677
4678 METHOD_TRACE("ips_enable_int_morpheus", 1);
4679
4680 Oimr = readl(ha->mem_ptr + IPS_REG_I960_OIMR);
4681 Oimr &= ~0x08;
4682 writel(Oimr, ha->mem_ptr + IPS_REG_I960_OIMR);
4683 readl(ha->mem_ptr + IPS_REG_I960_OIMR); /*Ensure PCI Posting Completes*/
4684}
4685
4686/****************************************************************************/
4687/* */
4688/* Routine Name: ips_init_copperhead */
4689/* */
4690/* Routine Description: */
4691/* */
4692/* Initialize a copperhead controller */
4693/* */
4694/****************************************************************************/
4695static int
4696ips_init_copperhead(ips_ha_t * ha)
4697{
4698 uint8_t Isr;
4699 uint8_t Cbsp;
4700 uint8_t PostByte[IPS_MAX_POST_BYTES];
4701 uint8_t ConfigByte[IPS_MAX_CONFIG_BYTES];
4702 int i, j;
4703
4704 METHOD_TRACE("ips_init_copperhead", 1);
4705
4706 for (i = 0; i < IPS_MAX_POST_BYTES; i++) {
4707 for (j = 0; j < 45; j++) {
4708 Isr = inb(ha->io_addr + IPS_REG_HISR);
4709 if (Isr & IPS_BIT_GHI)
4710 break;
4711
4712 /* Delay for 1 Second */
bf471341 4713 MDELAY(IPS_ONE_SEC);
1da177e4
LT		 4714 }
4715
4716 if (j >= 45)
4717 /* error occurred */
4718 return (0);
4719
4720 PostByte[i] = inb(ha->io_addr + IPS_REG_ISPR);
4721 outb(Isr, ha->io_addr + IPS_REG_HISR);
4722 }
4723
4724 if (PostByte[0] < IPS_GOOD_POST_STATUS) {
4725 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4726 "reset controller fails (post status %x %x).\n",
4727 PostByte[0], PostByte[1]);
4728
4729 return (0);
4730 }
4731
4732 for (i = 0; i < IPS_MAX_CONFIG_BYTES; i++) {
4733 for (j = 0; j < 240; j++) {
4734 Isr = inb(ha->io_addr + IPS_REG_HISR);
4735 if (Isr & IPS_BIT_GHI)
4736 break;
4737
4738 /* Delay for 1 Second */
bf471341 4739 MDELAY(IPS_ONE_SEC);
1da177e4
LT		 4740 }
4741
4742 if (j >= 240)
4743 /* error occurred */
4744 return (0);
4745
4746 ConfigByte[i] = inb(ha->io_addr + IPS_REG_ISPR);
4747 outb(Isr, ha->io_addr + IPS_REG_HISR);
4748 }
4749
4750 for (i = 0; i < 240; i++) {
4751 Cbsp = inb(ha->io_addr + IPS_REG_CBSP);
4752
4753 if ((Cbsp & IPS_BIT_OP) == 0)
4754 break;
4755
4756 /* Delay for 1 Second */
bf471341 4757 MDELAY(IPS_ONE_SEC);
1da177e4
LT		 4758 }
4759
4760 if (i >= 240)
4761 /* reset failed */
4762 return (0);
4763
4764 /* setup CCCR */
db3cc200 4765 outl(0x1010, ha->io_addr + IPS_REG_CCCR);
1da177e4
LT		 4766
4767 /* Enable busmastering */
4768 outb(IPS_BIT_EBM, ha->io_addr + IPS_REG_SCPR);
4769
8a694cc8 4770 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 4771 /* fix for anaconda64 */
4772 outl(0, ha->io_addr + IPS_REG_NDAE);
4773
4774 /* Enable interrupts */
4775 outb(IPS_BIT_EI, ha->io_addr + IPS_REG_HISR);
4776
4777 return (1);
4778}
4779
4780/****************************************************************************/
4781/* */
4782/* Routine Name: ips_init_copperhead_memio */
4783/* */
4784/* Routine Description: */
4785/* */
4786/* Initialize a copperhead controller with memory mapped I/O */
4787/* */
4788/****************************************************************************/
4789static int
4790ips_init_copperhead_memio(ips_ha_t * ha)
4791{
4792 uint8_t Isr = 0;
4793 uint8_t Cbsp;
4794 uint8_t PostByte[IPS_MAX_POST_BYTES];
4795 uint8_t ConfigByte[IPS_MAX_CONFIG_BYTES];
4796 int i, j;
4797
4798 METHOD_TRACE("ips_init_copperhead_memio", 1);
4799
4800 for (i = 0; i < IPS_MAX_POST_BYTES; i++) {
4801 for (j = 0; j < 45; j++) {
4802 Isr = readb(ha->mem_ptr + IPS_REG_HISR);
4803 if (Isr & IPS_BIT_GHI)
4804 break;
4805
4806 /* Delay for 1 Second */
bf471341 4807 MDELAY(IPS_ONE_SEC);
1da177e4
LT		 4808 }
4809
4810 if (j >= 45)
4811 /* error occurred */
4812 return (0);
4813
4814 PostByte[i] = readb(ha->mem_ptr + IPS_REG_ISPR);
4815 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
4816 }
4817
4818 if (PostByte[0] < IPS_GOOD_POST_STATUS) {
4819 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4820 "reset controller fails (post status %x %x).\n",
4821 PostByte[0], PostByte[1]);
4822
4823 return (0);
4824 }
4825
4826 for (i = 0; i < IPS_MAX_CONFIG_BYTES; i++) {
4827 for (j = 0; j < 240; j++) {
4828 Isr = readb(ha->mem_ptr + IPS_REG_HISR);
4829 if (Isr & IPS_BIT_GHI)
4830 break;
4831
4832 /* Delay for 1 Second */
bf471341 4833 MDELAY(IPS_ONE_SEC);
1da177e4
LT		 4834 }
4835
4836 if (j >= 240)
4837 /* error occurred */
4838 return (0);
4839
4840 ConfigByte[i] = readb(ha->mem_ptr + IPS_REG_ISPR);
4841 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
4842 }
4843
4844 for (i = 0; i < 240; i++) {
4845 Cbsp = readb(ha->mem_ptr + IPS_REG_CBSP);
4846
4847 if ((Cbsp & IPS_BIT_OP) == 0)
4848 break;
4849
4850 /* Delay for 1 Second */
bf471341 4851 MDELAY(IPS_ONE_SEC);
1da177e4
LT		 4852 }
4853
4854 if (i >= 240)
4855 /* error occurred */
4856 return (0);
4857
4858 /* setup CCCR */
4859 writel(0x1010, ha->mem_ptr + IPS_REG_CCCR);
4860
4861 /* Enable busmastering */
4862 writeb(IPS_BIT_EBM, ha->mem_ptr + IPS_REG_SCPR);
4863
8a694cc8 4864 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 4865 /* fix for anaconda64 */
4866 writel(0, ha->mem_ptr + IPS_REG_NDAE);
4867
4868 /* Enable interrupts */
4869 writeb(IPS_BIT_EI, ha->mem_ptr + IPS_REG_HISR);
4870
4871 /* if we get here then everything went OK */
4872 return (1);
4873}
4874
4875/****************************************************************************/
4876/* */
4877/* Routine Name: ips_init_morpheus */
4878/* */
4879/* Routine Description: */
4880/* */
4881/* Initialize a morpheus controller */
4882/* */
4883/****************************************************************************/
4884static int
4885ips_init_morpheus(ips_ha_t * ha)
4886{
4887 uint32_t Post;
4888 uint32_t Config;
4889 uint32_t Isr;
4890 uint32_t Oimr;
4891 int i;
4892
4893 METHOD_TRACE("ips_init_morpheus", 1);
4894
4895 /* Wait up to 45 secs for Post */
4896 for (i = 0; i < 45; i++) {
4897 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
4898
4899 if (Isr & IPS_BIT_I960_MSG0I)
4900 break;
4901
4902 /* Delay for 1 Second */
bf471341 4903 MDELAY(IPS_ONE_SEC);
1da177e4
LT		 4904 }
4905
4906 if (i >= 45) {
4907 /* error occurred */
4908 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4909 "timeout waiting for post.\n");
4910
4911 return (0);
4912 }
4913
4914 Post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
4915
4916 if (Post == 0x4F00) { /* If Flashing the Battery PIC */
4917 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4918 "Flashing Battery PIC, Please wait ...\n");
4919
4920 /* Clear the interrupt bit */
4921 Isr = (uint32_t) IPS_BIT_I960_MSG0I;
4922 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
4923
4924 for (i = 0; i < 120; i++) { /* Wait Up to 2 Min. for Completion */
4925 Post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
4926 if (Post != 0x4F00)
4927 break;
4928 /* Delay for 1 Second */
bf471341 4929 MDELAY(IPS_ONE_SEC);
1da177e4
LT		 4930 }
4931
4932 if (i >= 120) {
4933 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4934 "timeout waiting for Battery PIC Flash\n");
4935 return (0);
4936 }
4937
4938 }
4939
4940 /* Clear the interrupt bit */
4941 Isr = (uint32_t) IPS_BIT_I960_MSG0I;
4942 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
4943
4944 if (Post < (IPS_GOOD_POST_STATUS << 8)) {
4945 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4946 "reset controller fails (post status %x).\n", Post);
4947
4948 return (0);
4949 }
4950
4951 /* Wait up to 240 secs for config bytes */
4952 for (i = 0; i < 240; i++) {
4953 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
4954
4955 if (Isr & IPS_BIT_I960_MSG1I)
4956 break;
4957
4958 /* Delay for 1 Second */
bf471341 4959 MDELAY(IPS_ONE_SEC);
1da177e4
LT		 4960 }
4961
4962 if (i >= 240) {
4963 /* error occurred */
4964 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4965 "timeout waiting for config.\n");
4966
4967 return (0);
4968 }
4969
4970 Config = readl(ha->mem_ptr + IPS_REG_I960_MSG1);
4971
4972 /* Clear interrupt bit */
4973 Isr = (uint32_t) IPS_BIT_I960_MSG1I;
4974 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
4975
4976 /* Turn on the interrupts */
4977 Oimr = readl(ha->mem_ptr + IPS_REG_I960_OIMR);
4978 Oimr &= ~0x8;
4979 writel(Oimr, ha->mem_ptr + IPS_REG_I960_OIMR);
4980
4981 /* if we get here then everything went OK */
4982
4983 /* Since we did a RESET, an EraseStripeLock may be needed */
4984 if (Post == 0xEF10) {
4985 if ((Config == 0x000F) || (Config == 0x0009))
4986 ha->requires_esl = 1;
4987 }
4988
4989 return (1);
4990}
4991
4992/****************************************************************************/
4993/* */
4994/* Routine Name: ips_reset_copperhead */
4995/* */
4996/* Routine Description: */
4997/* */
4998/* Reset the controller */
4999/* */
5000/****************************************************************************/
5001static int
5002ips_reset_copperhead(ips_ha_t * ha)
5003{
5004 int reset_counter;
5005
5006 METHOD_TRACE("ips_reset_copperhead", 1);
5007
5008 DEBUG_VAR(1, "(%s%d) ips_reset_copperhead: io addr: %x, irq: %d",
8a694cc8 5009 ips_name, ha->host_num, ha->io_addr, ha->pcidev->irq);
1da177e4
LT		 5010
5011 reset_counter = 0;
5012
5013 while (reset_counter < 2) {
5014 reset_counter++;
5015
5016 outb(IPS_BIT_RST, ha->io_addr + IPS_REG_SCPR);
5017
5018 /* Delay for 1 Second */
bf471341 5019 MDELAY(IPS_ONE_SEC);
1da177e4
LT		 5020
5021 outb(0, ha->io_addr + IPS_REG_SCPR);
5022
5023 /* Delay for 1 Second */
bf471341 5024 MDELAY(IPS_ONE_SEC);
1da177e4
LT		 5025
5026 if ((*ha->func.init) (ha))
5027 break;
5028 else if (reset_counter >= 2) {
5029
5030 return (0);
5031 }
5032 }
5033
5034 return (1);
5035}
5036
5037/****************************************************************************/
5038/* */
5039/* Routine Name: ips_reset_copperhead_memio */
5040/* */
5041/* Routine Description: */
5042/* */
5043/* Reset the controller */
5044/* */
5045/****************************************************************************/
5046static int
5047ips_reset_copperhead_memio(ips_ha_t * ha)
5048{
5049 int reset_counter;
5050
5051 METHOD_TRACE("ips_reset_copperhead_memio", 1);
5052
5053 DEBUG_VAR(1, "(%s%d) ips_reset_copperhead_memio: mem addr: %x, irq: %d",
8a694cc8 5054 ips_name, ha->host_num, ha->mem_addr, ha->pcidev->irq);
1da177e4
LT		 5055
5056 reset_counter = 0;
5057
5058 while (reset_counter < 2) {
5059 reset_counter++;
5060
5061 writeb(IPS_BIT_RST, ha->mem_ptr + IPS_REG_SCPR);
5062
5063 /* Delay for 1 Second */
bf471341 5064 MDELAY(IPS_ONE_SEC);
1da177e4
LT		 5065
5066 writeb(0, ha->mem_ptr + IPS_REG_SCPR);
5067
5068 /* Delay for 1 Second */
bf471341 5069 MDELAY(IPS_ONE_SEC);
1da177e4
LT		 5070
5071 if ((*ha->func.init) (ha))
5072 break;
5073 else if (reset_counter >= 2) {
5074
5075 return (0);
5076 }
5077 }
5078
5079 return (1);
5080}
5081
5082/****************************************************************************/
5083/* */
5084/* Routine Name: ips_reset_morpheus */
5085/* */
5086/* Routine Description: */
5087/* */
5088/* Reset the controller */
5089/* */
5090/****************************************************************************/
5091static int
5092ips_reset_morpheus(ips_ha_t * ha)
5093{
5094 int reset_counter;
5095 uint8_t junk;
5096
5097 METHOD_TRACE("ips_reset_morpheus", 1);
5098
5099 DEBUG_VAR(1, "(%s%d) ips_reset_morpheus: mem addr: %x, irq: %d",
8a694cc8 5100 ips_name, ha->host_num, ha->mem_addr, ha->pcidev->irq);
1da177e4
LT		 5101
5102 reset_counter = 0;
5103
5104 while (reset_counter < 2) {
5105 reset_counter++;
5106
5107 writel(0x80000000, ha->mem_ptr + IPS_REG_I960_IDR);
5108
5109 /* Delay for 5 Seconds */
bf471341 5110 MDELAY(5 * IPS_ONE_SEC);
1da177e4
LT		 5111
5112 /* Do a PCI config read to wait for adapter */
5113 pci_read_config_byte(ha->pcidev, 4, &junk);
5114
5115 if ((*ha->func.init) (ha))
5116 break;
5117 else if (reset_counter >= 2) {
5118
5119 return (0);
5120 }
5121 }
5122
5123 return (1);
5124}
5125
5126/****************************************************************************/
5127/* */
5128/* Routine Name: ips_statinit */
5129/* */
5130/* Routine Description: */
5131/* */
5132/* Initialize the status queues on the controller */
5133/* */
5134/****************************************************************************/
5135static void
5136ips_statinit(ips_ha_t * ha)
5137{
5138 uint32_t phys_status_start;
5139
5140 METHOD_TRACE("ips_statinit", 1);
5141
5142 ha->adapt->p_status_start = ha->adapt->status;
5143 ha->adapt->p_status_end = ha->adapt->status + IPS_MAX_CMDS;
5144 ha->adapt->p_status_tail = ha->adapt->status;
5145
5146 phys_status_start = ha->adapt->hw_status_start;
db3cc200
JB		 5147 outl(phys_status_start, ha->io_addr + IPS_REG_SQSR);
5148 outl(phys_status_start + IPS_STATUS_Q_SIZE,
1da177e4 5149 ha->io_addr + IPS_REG_SQER);
db3cc200 5150 outl(phys_status_start + IPS_STATUS_SIZE,
1da177e4 5151 ha->io_addr + IPS_REG_SQHR);
db3cc200 5152 outl(phys_status_start, ha->io_addr + IPS_REG_SQTR);
1da177e4
LT		 5153
5154 ha->adapt->hw_status_tail = phys_status_start;
5155}
5156
5157/****************************************************************************/
5158/* */
5159/* Routine Name: ips_statinit_memio */
5160/* */
5161/* Routine Description: */
5162/* */
5163/* Initialize the status queues on the controller */
5164/* */
5165/****************************************************************************/
5166static void
5167ips_statinit_memio(ips_ha_t * ha)
5168{
5169 uint32_t phys_status_start;
5170
5171 METHOD_TRACE("ips_statinit_memio", 1);
5172
5173 ha->adapt->p_status_start = ha->adapt->status;
5174 ha->adapt->p_status_end = ha->adapt->status + IPS_MAX_CMDS;
5175 ha->adapt->p_status_tail = ha->adapt->status;
5176
5177 phys_status_start = ha->adapt->hw_status_start;
5178 writel(phys_status_start, ha->mem_ptr + IPS_REG_SQSR);
5179 writel(phys_status_start + IPS_STATUS_Q_SIZE,
5180 ha->mem_ptr + IPS_REG_SQER);
5181 writel(phys_status_start + IPS_STATUS_SIZE, ha->mem_ptr + IPS_REG_SQHR);
5182 writel(phys_status_start, ha->mem_ptr + IPS_REG_SQTR);
5183
5184 ha->adapt->hw_status_tail = phys_status_start;
5185}
5186
5187/****************************************************************************/
5188/* */
5189/* Routine Name: ips_statupd_copperhead */
5190/* */
5191/* Routine Description: */
5192/* */
5193/* Remove an element from the status queue */
5194/* */
5195/****************************************************************************/
5196static uint32_t
5197ips_statupd_copperhead(ips_ha_t * ha)
5198{
5199 METHOD_TRACE("ips_statupd_copperhead", 1);
5200
5201 if (ha->adapt->p_status_tail != ha->adapt->p_status_end) {
5202 ha->adapt->p_status_tail++;
5203 ha->adapt->hw_status_tail += sizeof (IPS_STATUS);
5204 } else {
5205 ha->adapt->p_status_tail = ha->adapt->p_status_start;
5206 ha->adapt->hw_status_tail = ha->adapt->hw_status_start;
5207 }
5208
db3cc200 5209 outl(ha->adapt->hw_status_tail,
1da177e4
LT		 5210 ha->io_addr + IPS_REG_SQTR);
5211
5212 return (ha->adapt->p_status_tail->value);
5213}
5214
5215/****************************************************************************/
5216/* */
5217/* Routine Name: ips_statupd_copperhead_memio */
5218/* */
5219/* Routine Description: */
5220/* */
5221/* Remove an element from the status queue */
5222/* */
5223/****************************************************************************/
5224static uint32_t
5225ips_statupd_copperhead_memio(ips_ha_t * ha)
5226{
5227 METHOD_TRACE("ips_statupd_copperhead_memio", 1);
5228
5229 if (ha->adapt->p_status_tail != ha->adapt->p_status_end) {
5230 ha->adapt->p_status_tail++;
5231 ha->adapt->hw_status_tail += sizeof (IPS_STATUS);
5232 } else {
5233 ha->adapt->p_status_tail = ha->adapt->p_status_start;
5234 ha->adapt->hw_status_tail = ha->adapt->hw_status_start;
5235 }
5236
5237 writel(ha->adapt->hw_status_tail, ha->mem_ptr + IPS_REG_SQTR);
5238
5239 return (ha->adapt->p_status_tail->value);
5240}
5241
5242/****************************************************************************/
5243/* */
5244/* Routine Name: ips_statupd_morpheus */
5245/* */
5246/* Routine Description: */
5247/* */
5248/* Remove an element from the status queue */
5249/* */
5250/****************************************************************************/
5251static uint32_t
5252ips_statupd_morpheus(ips_ha_t * ha)
5253{
5254 uint32_t val;
5255
5256 METHOD_TRACE("ips_statupd_morpheus", 1);
5257
5258 val = readl(ha->mem_ptr + IPS_REG_I2O_OUTMSGQ);
5259
5260 return (val);
5261}
5262
5263/****************************************************************************/
5264/* */
5265/* Routine Name: ips_issue_copperhead */
5266/* */
5267/* Routine Description: */
5268/* */
5269/* Send a command down to the controller */
5270/* */
5271/****************************************************************************/
5272static int
5273ips_issue_copperhead(ips_ha_t * ha, ips_scb_t * scb)
5274{
5275 uint32_t TimeOut;
5276 uint32_t val;
5277
5278 METHOD_TRACE("ips_issue_copperhead", 1);
5279
5280 if (scb->scsi_cmd) {
5281 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5282 ips_name,
5283 ha->host_num,
5284 scb->cdb[0],
5285 scb->cmd.basic_io.command_id,
5286 scb->bus, scb->target_id, scb->lun);
5287 } else {
5288 DEBUG_VAR(2, KERN_NOTICE "(%s%d) ips_issue: logical cmd id %d",
5289 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5290 }
5291
5292 TimeOut = 0;
5293
5294 while ((val =
5295 le32_to_cpu(inl(ha->io_addr + IPS_REG_CCCR))) & IPS_BIT_SEM) {
5296 udelay(1000);
5297
5298 if (++TimeOut >= IPS_SEM_TIMEOUT) {
5299 if (!(val & IPS_BIT_START_STOP))
5300 break;
5301
5302 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5303 "ips_issue val [0x%x].\n", val);
5304 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5305 "ips_issue semaphore chk timeout.\n");
5306
5307 return (IPS_FAILURE);
5308 } /* end if */
5309 } /* end while */
5310
db3cc200
JB		 5311 outl(scb->scb_busaddr, ha->io_addr + IPS_REG_CCSAR);
5312 outw(IPS_BIT_START_CMD, ha->io_addr + IPS_REG_CCCR);
1da177e4
LT		 5313
5314 return (IPS_SUCCESS);
5315}
5316
5317/****************************************************************************/
5318/* */
5319/* Routine Name: ips_issue_copperhead_memio */
5320/* */
5321/* Routine Description: */
5322/* */
5323/* Send a command down to the controller */
5324/* */
5325/****************************************************************************/
5326static int
5327ips_issue_copperhead_memio(ips_ha_t * ha, ips_scb_t * scb)
5328{
5329 uint32_t TimeOut;
5330 uint32_t val;
5331
5332 METHOD_TRACE("ips_issue_copperhead_memio", 1);
5333
5334 if (scb->scsi_cmd) {
5335 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5336 ips_name,
5337 ha->host_num,
5338 scb->cdb[0],
5339 scb->cmd.basic_io.command_id,
5340 scb->bus, scb->target_id, scb->lun);
5341 } else {
5342 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5343 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5344 }
5345
5346 TimeOut = 0;
5347
5348 while ((val = readl(ha->mem_ptr + IPS_REG_CCCR)) & IPS_BIT_SEM) {
5349 udelay(1000);
5350
5351 if (++TimeOut >= IPS_SEM_TIMEOUT) {
5352 if (!(val & IPS_BIT_START_STOP))
5353 break;
5354
5355 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5356 "ips_issue val [0x%x].\n", val);
5357 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5358 "ips_issue semaphore chk timeout.\n");
5359
5360 return (IPS_FAILURE);
5361 } /* end if */
5362 } /* end while */
5363
5364 writel(scb->scb_busaddr, ha->mem_ptr + IPS_REG_CCSAR);
5365 writel(IPS_BIT_START_CMD, ha->mem_ptr + IPS_REG_CCCR);
5366
5367 return (IPS_SUCCESS);
5368}
5369
5370/****************************************************************************/
5371/* */
5372/* Routine Name: ips_issue_i2o */
5373/* */
5374/* Routine Description: */
5375/* */
5376/* Send a command down to the controller */
5377/* */
5378/****************************************************************************/
5379static int
5380ips_issue_i2o(ips_ha_t * ha, ips_scb_t * scb)
5381{
5382
5383 METHOD_TRACE("ips_issue_i2o", 1);
5384
5385 if (scb->scsi_cmd) {
5386 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5387 ips_name,
5388 ha->host_num,
5389 scb->cdb[0],
5390 scb->cmd.basic_io.command_id,
5391 scb->bus, scb->target_id, scb->lun);
5392 } else {
5393 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5394 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5395 }
5396
db3cc200 5397 outl(scb->scb_busaddr, ha->io_addr + IPS_REG_I2O_INMSGQ);
1da177e4
LT		 5398
5399 return (IPS_SUCCESS);
5400}
5401
5402/****************************************************************************/
5403/* */
5404/* Routine Name: ips_issue_i2o_memio */
5405/* */
5406/* Routine Description: */
5407/* */
5408/* Send a command down to the controller */
5409/* */
5410/****************************************************************************/
5411static int
5412ips_issue_i2o_memio(ips_ha_t * ha, ips_scb_t * scb)
5413{
5414
5415 METHOD_TRACE("ips_issue_i2o_memio", 1);
5416
5417 if (scb->scsi_cmd) {
5418 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5419 ips_name,
5420 ha->host_num,
5421 scb->cdb[0],
5422 scb->cmd.basic_io.command_id,
5423 scb->bus, scb->target_id, scb->lun);
5424 } else {
5425 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5426 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5427 }
5428
5429 writel(scb->scb_busaddr, ha->mem_ptr + IPS_REG_I2O_INMSGQ);
5430
5431 return (IPS_SUCCESS);
5432}
5433
5434/****************************************************************************/
5435/* */
5436/* Routine Name: ips_isintr_copperhead */
5437/* */
5438/* Routine Description: */
5439/* */
5440/* Test to see if an interrupt is for us */
5441/* */
5442/****************************************************************************/
5443static int
5444ips_isintr_copperhead(ips_ha_t * ha)
5445{
5446 uint8_t Isr;
5447
5448 METHOD_TRACE("ips_isintr_copperhead", 2);
5449
5450 Isr = inb(ha->io_addr + IPS_REG_HISR);
5451
5452 if (Isr == 0xFF)
5453 /* ?!?! Nothing really there */
5454 return (0);
5455
5456 if (Isr & IPS_BIT_SCE)
5457 return (1);
5458 else if (Isr & (IPS_BIT_SQO | IPS_BIT_GHI)) {
5459 /* status queue overflow or GHI */
5460 /* just clear the interrupt */
5461 outb(Isr, ha->io_addr + IPS_REG_HISR);
5462 }
5463
5464 return (0);
5465}
5466
5467/****************************************************************************/
5468/* */
5469/* Routine Name: ips_isintr_copperhead_memio */
5470/* */
5471/* Routine Description: */
5472/* */
5473/* Test to see if an interrupt is for us */
5474/* */
5475/****************************************************************************/
5476static int
5477ips_isintr_copperhead_memio(ips_ha_t * ha)
5478{
5479 uint8_t Isr;
5480
5481 METHOD_TRACE("ips_isintr_memio", 2);
5482
5483 Isr = readb(ha->mem_ptr + IPS_REG_HISR);
5484
5485 if (Isr == 0xFF)
5486 /* ?!?! Nothing really there */
5487 return (0);
5488
5489 if (Isr & IPS_BIT_SCE)
5490 return (1);
5491 else if (Isr & (IPS_BIT_SQO | IPS_BIT_GHI)) {
5492 /* status queue overflow or GHI */
5493 /* just clear the interrupt */
5494 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
5495 }
5496
5497 return (0);
5498}
5499
5500/****************************************************************************/
5501/* */
5502/* Routine Name: ips_isintr_morpheus */
5503/* */
5504/* Routine Description: */
5505/* */
5506/* Test to see if an interrupt is for us */
5507/* */
5508/****************************************************************************/
5509static int
5510ips_isintr_morpheus(ips_ha_t * ha)
5511{
5512 uint32_t Isr;
5513
5514 METHOD_TRACE("ips_isintr_morpheus", 2);
5515
5516 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
5517
5518 if (Isr & IPS_BIT_I2O_OPQI)
5519 return (1);
5520 else
5521 return (0);
5522}
5523
5524/****************************************************************************/
5525/* */
5526/* Routine Name: ips_wait */
5527/* */
5528/* Routine Description: */
5529/* */
5530/* Wait for a command to complete */
5531/* */
5532/****************************************************************************/
5533static int
5534ips_wait(ips_ha_t * ha, int time, int intr)
5535{
5536 int ret;
5537 int done;
5538
5539 METHOD_TRACE("ips_wait", 1);
5540
5541 ret = IPS_FAILURE;
5542 done = FALSE;
5543
5544 time *= IPS_ONE_SEC; /* convert seconds */
5545
5546 while ((time > 0) && (!done)) {
5547 if (intr == IPS_INTR_ON) {
5548 if (ha->waitflag == FALSE) {
5549 ret = IPS_SUCCESS;
5550 done = TRUE;
5551 break;
5552 }
5553 } else if (intr == IPS_INTR_IORL) {
5554 if (ha->waitflag == FALSE) {
5555 /*
5556 * controller generated an interrupt to
5557 * acknowledge completion of the command
5558 * and ips_intr() has serviced the interrupt.
5559 */
5560 ret = IPS_SUCCESS;
5561 done = TRUE;
5562 break;
5563 }
5564
5565 /*
5566 * NOTE: we already have the io_request_lock so
5567 * even if we get an interrupt it won't get serviced
5568 * until after we finish.
5569 */
5570
5571 (*ha->func.intr) (ha);
5572 }
5573
5574 /* This looks like a very evil loop, but it only does this during start-up */
5575 udelay(1000);
5576 time--;
5577 }
5578
5579 return (ret);
5580}
5581
5582/****************************************************************************/
5583/* */
5584/* Routine Name: ips_write_driver_status */
5585/* */
5586/* Routine Description: */
5587/* */
5588/* Write OS/Driver version to Page 5 of the nvram on the controller */
5589/* */
5590/****************************************************************************/
5591static int
5592ips_write_driver_status(ips_ha_t * ha, int intr)
5593{
5594 METHOD_TRACE("ips_write_driver_status", 1);
5595
5596 if (!ips_readwrite_page5(ha, FALSE, intr)) {
5597 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5598 "unable to read NVRAM page 5.\n");
5599
5600 return (0);
5601 }
5602
5603 /* check to make sure the page has a valid */
5604 /* signature */
5605 if (le32_to_cpu(ha->nvram->signature) != IPS_NVRAM_P5_SIG) {
5606 DEBUG_VAR(1,
5607 "(%s%d) NVRAM page 5 has an invalid signature: %X.",
5608 ips_name, ha->host_num, ha->nvram->signature);
5609 ha->nvram->signature = IPS_NVRAM_P5_SIG;
5610 }
5611
5612 DEBUG_VAR(2,
5613 "(%s%d) Ad Type: %d, Ad Slot: %d, BIOS: %c%c%c%c %c%c%c%c.",
5614 ips_name, ha->host_num, le16_to_cpu(ha->nvram->adapter_type),
5615 ha->nvram->adapter_slot, ha->nvram->bios_high[0],
5616 ha->nvram->bios_high[1], ha->nvram->bios_high[2],
5617 ha->nvram->bios_high[3], ha->nvram->bios_low[0],
5618 ha->nvram->bios_low[1], ha->nvram->bios_low[2],
5619 ha->nvram->bios_low[3]);
5620
5621 ips_get_bios_version(ha, intr);
5622
5623 /* change values (as needed) */
5624 ha->nvram->operating_system = IPS_OS_LINUX;
5625 ha->nvram->adapter_type = ha->ad_type;
5626 strncpy((char *) ha->nvram->driver_high, IPS_VERSION_HIGH, 4);
5627 strncpy((char *) ha->nvram->driver_low, IPS_VERSION_LOW, 4);
5628 strncpy((char *) ha->nvram->bios_high, ha->bios_version, 4);
5629 strncpy((char *) ha->nvram->bios_low, ha->bios_version + 4, 4);
5630
a60768e2 5631 ha->nvram->versioning = 0; /* Indicate the Driver Does Not Support Versioning */
1da177e4
LT		 5632
5633 /* now update the page */
5634 if (!ips_readwrite_page5(ha, TRUE, intr)) {
5635 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5636 "unable to write NVRAM page 5.\n");
5637
5638 return (0);
5639 }
5640
5641 /* IF NVRAM Page 5 is OK, Use it for Slot Number Info Because Linux Doesn't Do Slots */
5642 ha->slot_num = ha->nvram->adapter_slot;
5643
5644 return (1);
5645}
5646
5647/****************************************************************************/
5648/* */
5649/* Routine Name: ips_read_adapter_status */
5650/* */
5651/* Routine Description: */
5652/* */
5653/* Do an Inquiry command to the adapter */
5654/* */
5655/****************************************************************************/
5656static int
5657ips_read_adapter_status(ips_ha_t * ha, int intr)
5658{
5659 ips_scb_t *scb;
5660 int ret;
5661
5662 METHOD_TRACE("ips_read_adapter_status", 1);
5663
5664 scb = &ha->scbs[ha->max_cmds - 1];
5665
5666 ips_init_scb(ha, scb);
5667
5668 scb->timeout = ips_cmd_timeout;
5669 scb->cdb[0] = IPS_CMD_ENQUIRY;
5670
5671 scb->cmd.basic_io.op_code = IPS_CMD_ENQUIRY;
5672 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5673 scb->cmd.basic_io.sg_count = 0;
5674 scb->cmd.basic_io.lba = 0;
5675 scb->cmd.basic_io.sector_count = 0;
5676 scb->cmd.basic_io.log_drv = 0;
5677 scb->data_len = sizeof (*ha->enq);
5678 scb->cmd.basic_io.sg_addr = ha->enq_busaddr;
5679
5680 /* send command */
5681 if (((ret =
5682 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5683 || (ret == IPS_SUCCESS_IMM)
5684 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5685 return (0);
5686
5687 return (1);
5688}
5689
5690/****************************************************************************/
5691/* */
5692/* Routine Name: ips_read_subsystem_parameters */
5693/* */
5694/* Routine Description: */
5695/* */
5696/* Read subsystem parameters from the adapter */
5697/* */
5698/****************************************************************************/
5699static int
5700ips_read_subsystem_parameters(ips_ha_t * ha, int intr)
5701{
5702 ips_scb_t *scb;
5703 int ret;
5704
5705 METHOD_TRACE("ips_read_subsystem_parameters", 1);
5706
5707 scb = &ha->scbs[ha->max_cmds - 1];
5708
5709 ips_init_scb(ha, scb);
5710
5711 scb->timeout = ips_cmd_timeout;
5712 scb->cdb[0] = IPS_CMD_GET_SUBSYS;
5713
5714 scb->cmd.basic_io.op_code = IPS_CMD_GET_SUBSYS;
5715 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5716 scb->cmd.basic_io.sg_count = 0;
5717 scb->cmd.basic_io.lba = 0;
5718 scb->cmd.basic_io.sector_count = 0;
5719 scb->cmd.basic_io.log_drv = 0;
5720 scb->data_len = sizeof (*ha->subsys);
5721 scb->cmd.basic_io.sg_addr = ha->ioctl_busaddr;
5722
5723 /* send command */
5724 if (((ret =
5725 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5726 || (ret == IPS_SUCCESS_IMM)
5727 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5728 return (0);
5729
5730 memcpy(ha->subsys, ha->ioctl_data, sizeof(*ha->subsys));
5731 return (1);
5732}
5733
5734/****************************************************************************/
5735/* */
5736/* Routine Name: ips_read_config */
5737/* */
5738/* Routine Description: */
5739/* */
5740/* Read the configuration on the adapter */
5741/* */
5742/****************************************************************************/
5743static int
5744ips_read_config(ips_ha_t * ha, int intr)
5745{
5746 ips_scb_t *scb;
5747 int i;
5748 int ret;
5749
5750 METHOD_TRACE("ips_read_config", 1);
5751
5752 /* set defaults for initiator IDs */
5753 for (i = 0; i < 4; i++)
5754 ha->conf->init_id[i] = 7;
5755
5756 scb = &ha->scbs[ha->max_cmds - 1];
5757
5758 ips_init_scb(ha, scb);
5759
5760 scb->timeout = ips_cmd_timeout;
5761 scb->cdb[0] = IPS_CMD_READ_CONF;
5762
5763 scb->cmd.basic_io.op_code = IPS_CMD_READ_CONF;
5764 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5765 scb->data_len = sizeof (*ha->conf);
5766 scb->cmd.basic_io.sg_addr = ha->ioctl_busaddr;
5767
5768 /* send command */
5769 if (((ret =
5770 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5771 || (ret == IPS_SUCCESS_IMM)
5772 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) {
5773
5774 memset(ha->conf, 0, sizeof (IPS_CONF));
5775
5776 /* reset initiator IDs */
5777 for (i = 0; i < 4; i++)
5778 ha->conf->init_id[i] = 7;
5779
5780 /* Allow Completed with Errors, so JCRM can access the Adapter to fix the problems */
5781 if ((scb->basic_status & IPS_GSC_STATUS_MASK) ==
5782 IPS_CMD_CMPLT_WERROR)
5783 return (1);
5784
5785 return (0);
5786 }
2f277d6a 5787
1da177e4
LT		 5788 memcpy(ha->conf, ha->ioctl_data, sizeof(*ha->conf));
5789 return (1);
5790}
5791
5792/****************************************************************************/
5793/* */
5794/* Routine Name: ips_readwrite_page5 */
5795/* */
5796/* Routine Description: */
5797/* */
5798/* Read nvram page 5 from the adapter */
5799/* */
5800/****************************************************************************/
5801static int
5802ips_readwrite_page5(ips_ha_t * ha, int write, int intr)
5803{
5804 ips_scb_t *scb;
5805 int ret;
5806
5807 METHOD_TRACE("ips_readwrite_page5", 1);
5808
5809 scb = &ha->scbs[ha->max_cmds - 1];
5810
5811 ips_init_scb(ha, scb);
5812
5813 scb->timeout = ips_cmd_timeout;
5814 scb->cdb[0] = IPS_CMD_RW_NVRAM_PAGE;
5815
5816 scb->cmd.nvram.op_code = IPS_CMD_RW_NVRAM_PAGE;
5817 scb->cmd.nvram.command_id = IPS_COMMAND_ID(ha, scb);
5818 scb->cmd.nvram.page = 5;
5819 scb->cmd.nvram.write = write;
5820 scb->cmd.nvram.reserved = 0;
5821 scb->cmd.nvram.reserved2 = 0;
5822 scb->data_len = sizeof (*ha->nvram);
5823 scb->cmd.nvram.buffer_addr = ha->ioctl_busaddr;
5824 if (write)
5825 memcpy(ha->ioctl_data, ha->nvram, sizeof(*ha->nvram));
2f277d6a 5826
1da177e4
LT		 5827 /* issue the command */
5828 if (((ret =
5829 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5830 || (ret == IPS_SUCCESS_IMM)
5831 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) {
5832
5833 memset(ha->nvram, 0, sizeof (IPS_NVRAM_P5));
5834
5835 return (0);
5836 }
5837 if (!write)
5838 memcpy(ha->nvram, ha->ioctl_data, sizeof(*ha->nvram));
5839 return (1);
5840}
5841
5842/****************************************************************************/
5843/* */
5844/* Routine Name: ips_clear_adapter */
5845/* */
5846/* Routine Description: */
5847/* */
5848/* Clear the stripe lock tables */
5849/* */
5850/****************************************************************************/
5851static int
5852ips_clear_adapter(ips_ha_t * ha, int intr)
5853{
5854 ips_scb_t *scb;
5855 int ret;
5856
5857 METHOD_TRACE("ips_clear_adapter", 1);
5858
5859 scb = &ha->scbs[ha->max_cmds - 1];
5860
5861 ips_init_scb(ha, scb);
5862
5863 scb->timeout = ips_reset_timeout;
5864 scb->cdb[0] = IPS_CMD_CONFIG_SYNC;
5865
5866 scb->cmd.config_sync.op_code = IPS_CMD_CONFIG_SYNC;
5867 scb->cmd.config_sync.command_id = IPS_COMMAND_ID(ha, scb);
5868 scb->cmd.config_sync.channel = 0;
5869 scb->cmd.config_sync.source_target = IPS_POCL;
5870 scb->cmd.config_sync.reserved = 0;
5871 scb->cmd.config_sync.reserved2 = 0;
5872 scb->cmd.config_sync.reserved3 = 0;
5873
5874 /* issue command */
5875 if (((ret =
5876 ips_send_wait(ha, scb, ips_reset_timeout, intr)) == IPS_FAILURE)
5877 || (ret == IPS_SUCCESS_IMM)
5878 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5879 return (0);
5880
5881 /* send unlock stripe command */
5882 ips_init_scb(ha, scb);
5883
5884 scb->cdb[0] = IPS_CMD_ERROR_TABLE;
5885 scb->timeout = ips_reset_timeout;
5886
5887 scb->cmd.unlock_stripe.op_code = IPS_CMD_ERROR_TABLE;
5888 scb->cmd.unlock_stripe.command_id = IPS_COMMAND_ID(ha, scb);
5889 scb->cmd.unlock_stripe.log_drv = 0;
5890 scb->cmd.unlock_stripe.control = IPS_CSL;
5891 scb->cmd.unlock_stripe.reserved = 0;
5892 scb->cmd.unlock_stripe.reserved2 = 0;
5893 scb->cmd.unlock_stripe.reserved3 = 0;
5894
5895 /* issue command */
5896 if (((ret =
5897 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5898 || (ret == IPS_SUCCESS_IMM)
5899 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5900 return (0);
5901
5902 return (1);
5903}
5904
5905/****************************************************************************/
5906/* */
5907/* Routine Name: ips_ffdc_reset */
5908/* */
5909/* Routine Description: */
5910/* */
5911/* FFDC: write reset info */
5912/* */
5913/****************************************************************************/
5914static void
5915ips_ffdc_reset(ips_ha_t * ha, int intr)
5916{
5917 ips_scb_t *scb;
5918
5919 METHOD_TRACE("ips_ffdc_reset", 1);
5920
5921 scb = &ha->scbs[ha->max_cmds - 1];
5922
5923 ips_init_scb(ha, scb);
5924
5925 scb->timeout = ips_cmd_timeout;
5926 scb->cdb[0] = IPS_CMD_FFDC;
5927 scb->cmd.ffdc.op_code = IPS_CMD_FFDC;
5928 scb->cmd.ffdc.command_id = IPS_COMMAND_ID(ha, scb);
5929 scb->cmd.ffdc.reset_count = ha->reset_count;
5930 scb->cmd.ffdc.reset_type = 0x80;
5931
5932 /* convert time to what the card wants */
5933 ips_fix_ffdc_time(ha, scb, ha->last_ffdc);
5934
5935 /* issue command */
5936 ips_send_wait(ha, scb, ips_cmd_timeout, intr);
5937}
5938
5939/****************************************************************************/
5940/* */
5941/* Routine Name: ips_ffdc_time */
5942/* */
5943/* Routine Description: */
5944/* */
5945/* FFDC: write time info */
5946/* */
5947/****************************************************************************/
5948static void
5949ips_ffdc_time(ips_ha_t * ha)
5950{
5951 ips_scb_t *scb;
5952
5953 METHOD_TRACE("ips_ffdc_time", 1);
5954
5955 DEBUG_VAR(1, "(%s%d) Sending time update.", ips_name, ha->host_num);
5956
5957 scb = &ha->scbs[ha->max_cmds - 1];
5958
5959 ips_init_scb(ha, scb);
5960
5961 scb->timeout = ips_cmd_timeout;
5962 scb->cdb[0] = IPS_CMD_FFDC;
5963 scb->cmd.ffdc.op_code = IPS_CMD_FFDC;
5964 scb->cmd.ffdc.command_id = IPS_COMMAND_ID(ha, scb);
5965 scb->cmd.ffdc.reset_count = 0;
5966 scb->cmd.ffdc.reset_type = 0;
5967
5968 /* convert time to what the card wants */
5969 ips_fix_ffdc_time(ha, scb, ha->last_ffdc);
5970
5971 /* issue command */
5972 ips_send_wait(ha, scb, ips_cmd_timeout, IPS_FFDC);
5973}
5974
5975/****************************************************************************/
5976/* */
5977/* Routine Name: ips_fix_ffdc_time */
5978/* */
5979/* Routine Description: */
5980/* Adjust time_t to what the card wants */
5981/* */
5982/****************************************************************************/
5983static void
f990bee3 5984ips_fix_ffdc_time(ips_ha_t * ha, ips_scb_t * scb, time64_t current_time)
1da177e4 5985{
f990bee3 5986 struct tm tm;
1da177e4
LT		 5987
5988 METHOD_TRACE("ips_fix_ffdc_time", 1);
5989
f990bee3 5990 time64_to_tm(current_time, 0, &tm);
1da177e4 5991
f990bee3
AB		 5992 scb->cmd.ffdc.hour = tm.tm_hour;
5993 scb->cmd.ffdc.minute = tm.tm_min;
5994 scb->cmd.ffdc.second = tm.tm_sec;
5995 scb->cmd.ffdc.yearH = (tm.tm_year + 1900) / 100;
5996 scb->cmd.ffdc.yearL = tm.tm_year % 100;
5997 scb->cmd.ffdc.month = tm.tm_mon + 1;
5998 scb->cmd.ffdc.day = tm.tm_mday;
1da177e4
LT		 5999}
6000
6001/****************************************************************************
6002 * BIOS Flash Routines *
6003 ****************************************************************************/
6004
6005/****************************************************************************/
6006/* */
6007/* Routine Name: ips_erase_bios */
6008/* */
6009/* Routine Description: */
6010/* Erase the BIOS on the adapter */
6011/* */
6012/****************************************************************************/
6013static int
6014ips_erase_bios(ips_ha_t * ha)
6015{
6016 int timeout;
6017 uint8_t status = 0;
6018
6019 METHOD_TRACE("ips_erase_bios", 1);
6020
6021 status = 0;
6022
6023 /* Clear the status register */
6024 outl(0, ha->io_addr + IPS_REG_FLAP);
8a694cc8 6025 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6026 udelay(25); /* 25 us */
6027
6028 outb(0x50, ha->io_addr + IPS_REG_FLDP);
8a694cc8 6029 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6030 udelay(25); /* 25 us */
6031
6032 /* Erase Setup */
6033 outb(0x20, ha->io_addr + IPS_REG_FLDP);
8a694cc8 6034 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6035 udelay(25); /* 25 us */
6036
6037 /* Erase Confirm */
6038 outb(0xD0, ha->io_addr + IPS_REG_FLDP);
8a694cc8 6039 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6040 udelay(25); /* 25 us */
6041
6042 /* Erase Status */
6043 outb(0x70, ha->io_addr + IPS_REG_FLDP);
8a694cc8 6044 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6045 udelay(25); /* 25 us */
6046
6047 timeout = 80000; /* 80 seconds */
6048
6049 while (timeout > 0) {
8a694cc8 6050 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
1da177e4
LT		 6051 outl(0, ha->io_addr + IPS_REG_FLAP);
6052 udelay(25); /* 25 us */
6053 }
6054
6055 status = inb(ha->io_addr + IPS_REG_FLDP);
6056
6057 if (status & 0x80)
6058 break;
6059
6060 MDELAY(1);
6061 timeout--;
6062 }
6063
6064 /* check for timeout */
6065 if (timeout <= 0) {
6066 /* timeout */
6067
6068 /* try to suspend the erase */
6069 outb(0xB0, ha->io_addr + IPS_REG_FLDP);
8a694cc8 6070 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6071 udelay(25); /* 25 us */
6072
6073 /* wait for 10 seconds */
6074 timeout = 10000;
6075 while (timeout > 0) {
8a694cc8 6076 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
1da177e4
LT		 6077 outl(0, ha->io_addr + IPS_REG_FLAP);
6078 udelay(25); /* 25 us */
6079 }
6080
6081 status = inb(ha->io_addr + IPS_REG_FLDP);
6082
6083 if (status & 0xC0)
6084 break;
6085
6086 MDELAY(1);
6087 timeout--;
6088 }
6089
6090 return (1);
6091 }
6092
6093 /* check for valid VPP */
6094 if (status & 0x08)
6095 /* VPP failure */
6096 return (1);
6097
d6e05edc 6098 /* check for successful flash */
1da177e4
LT		 6099 if (status & 0x30)
6100 /* sequence error */
6101 return (1);
6102
6103 /* Otherwise, we were successful */
6104 /* clear status */
6105 outb(0x50, ha->io_addr + IPS_REG_FLDP);
8a694cc8 6106 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6107 udelay(25); /* 25 us */
6108
6109 /* enable reads */
6110 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
8a694cc8 6111 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6112 udelay(25); /* 25 us */
6113
6114 return (0);
6115}
6116
6117/****************************************************************************/
6118/* */
6119/* Routine Name: ips_erase_bios_memio */
6120/* */
6121/* Routine Description: */
6122/* Erase the BIOS on the adapter */
6123/* */
6124/****************************************************************************/
6125static int
6126ips_erase_bios_memio(ips_ha_t * ha)
6127{
6128 int timeout;
6129 uint8_t status;
6130
6131 METHOD_TRACE("ips_erase_bios_memio", 1);
6132
6133 status = 0;
6134
6135 /* Clear the status register */
6136 writel(0, ha->mem_ptr + IPS_REG_FLAP);
8a694cc8 6137 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6138 udelay(25); /* 25 us */
6139
6140 writeb(0x50, ha->mem_ptr + IPS_REG_FLDP);
8a694cc8 6141 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6142 udelay(25); /* 25 us */
6143
6144 /* Erase Setup */
6145 writeb(0x20, ha->mem_ptr + IPS_REG_FLDP);
8a694cc8 6146 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6147 udelay(25); /* 25 us */
6148
6149 /* Erase Confirm */
6150 writeb(0xD0, ha->mem_ptr + IPS_REG_FLDP);
8a694cc8 6151 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6152 udelay(25); /* 25 us */
6153
6154 /* Erase Status */
6155 writeb(0x70, ha->mem_ptr + IPS_REG_FLDP);
8a694cc8 6156 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6157 udelay(25); /* 25 us */
6158
6159 timeout = 80000; /* 80 seconds */
6160
6161 while (timeout > 0) {
8a694cc8 6162 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
1da177e4
LT		 6163 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6164 udelay(25); /* 25 us */
6165 }
6166
6167 status = readb(ha->mem_ptr + IPS_REG_FLDP);
6168
6169 if (status & 0x80)
6170 break;
6171
6172 MDELAY(1);
6173 timeout--;
6174 }
6175
6176 /* check for timeout */
6177 if (timeout <= 0) {
6178 /* timeout */
6179
6180 /* try to suspend the erase */
6181 writeb(0xB0, ha->mem_ptr + IPS_REG_FLDP);
8a694cc8 6182 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6183 udelay(25); /* 25 us */
6184
6185 /* wait for 10 seconds */
6186 timeout = 10000;
6187 while (timeout > 0) {
8a694cc8 6188 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
1da177e4
LT		 6189 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6190 udelay(25); /* 25 us */
6191 }
6192
6193 status = readb(ha->mem_ptr + IPS_REG_FLDP);
6194
6195 if (status & 0xC0)
6196 break;
6197
6198 MDELAY(1);
6199 timeout--;
6200 }
6201
6202 return (1);
6203 }
6204
6205 /* check for valid VPP */
6206 if (status & 0x08)
6207 /* VPP failure */
6208 return (1);
6209
d6e05edc 6210 /* check for successful flash */
1da177e4
LT		 6211 if (status & 0x30)
6212 /* sequence error */
6213 return (1);
6214
6215 /* Otherwise, we were successful */
6216 /* clear status */
6217 writeb(0x50, ha->mem_ptr + IPS_REG_FLDP);
8a694cc8 6218 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6219 udelay(25); /* 25 us */
6220
6221 /* enable reads */
6222 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
8a694cc8 6223 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6224 udelay(25); /* 25 us */
6225
6226 return (0);
6227}
6228
6229/****************************************************************************/
6230/* */
6231/* Routine Name: ips_program_bios */
6232/* */
6233/* Routine Description: */
6234/* Program the BIOS on the adapter */
6235/* */
6236/****************************************************************************/
6237static int
6238ips_program_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6239 uint32_t offset)
6240{
6241 int i;
6242 int timeout;
6243 uint8_t status = 0;
6244
6245 METHOD_TRACE("ips_program_bios", 1);
6246
6247 status = 0;
6248
6249 for (i = 0; i < buffersize; i++) {
6250 /* write a byte */
db3cc200 6251 outl(i + offset, ha->io_addr + IPS_REG_FLAP);
8a694cc8 6252 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6253 udelay(25); /* 25 us */
6254
6255 outb(0x40, ha->io_addr + IPS_REG_FLDP);
8a694cc8 6256 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6257 udelay(25); /* 25 us */
6258
6259 outb(buffer[i], ha->io_addr + IPS_REG_FLDP);
8a694cc8 6260 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6261 udelay(25); /* 25 us */
6262
6263 /* wait up to one second */
6264 timeout = 1000;
6265 while (timeout > 0) {
8a694cc8 6266 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
1da177e4
LT		 6267 outl(0, ha->io_addr + IPS_REG_FLAP);
6268 udelay(25); /* 25 us */
6269 }
6270
6271 status = inb(ha->io_addr + IPS_REG_FLDP);
6272
6273 if (status & 0x80)
6274 break;
6275
6276 MDELAY(1);
6277 timeout--;
6278 }
6279
6280 if (timeout == 0) {
6281 /* timeout error */
6282 outl(0, ha->io_addr + IPS_REG_FLAP);
8a694cc8 6283 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6284 udelay(25); /* 25 us */
6285
6286 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
8a694cc8 6287 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6288 udelay(25); /* 25 us */
6289
6290 return (1);
6291 }
6292
6293 /* check the status */
6294 if (status & 0x18) {
6295 /* programming error */
6296 outl(0, ha->io_addr + IPS_REG_FLAP);
8a694cc8 6297 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6298 udelay(25); /* 25 us */
6299
6300 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
8a694cc8 6301 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6302 udelay(25); /* 25 us */
6303
6304 return (1);
6305 }
6306 } /* end for */
6307
6308 /* Enable reading */
6309 outl(0, ha->io_addr + IPS_REG_FLAP);
8a694cc8 6310 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6311 udelay(25); /* 25 us */
6312
6313 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
8a694cc8 6314 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6315 udelay(25); /* 25 us */
6316
6317 return (0);
6318}
6319
6320/****************************************************************************/
6321/* */
6322/* Routine Name: ips_program_bios_memio */
6323/* */
6324/* Routine Description: */
6325/* Program the BIOS on the adapter */
6326/* */
6327/****************************************************************************/
6328static int
6329ips_program_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6330 uint32_t offset)
6331{
6332 int i;
6333 int timeout;
6334 uint8_t status = 0;
6335
6336 METHOD_TRACE("ips_program_bios_memio", 1);
6337
6338 status = 0;
6339
6340 for (i = 0; i < buffersize; i++) {
6341 /* write a byte */
6342 writel(i + offset, ha->mem_ptr + IPS_REG_FLAP);
8a694cc8 6343 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6344 udelay(25); /* 25 us */
6345
6346 writeb(0x40, ha->mem_ptr + IPS_REG_FLDP);
8a694cc8 6347 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6348 udelay(25); /* 25 us */
6349
6350 writeb(buffer[i], ha->mem_ptr + IPS_REG_FLDP);
8a694cc8 6351 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6352 udelay(25); /* 25 us */
6353
6354 /* wait up to one second */
6355 timeout = 1000;
6356 while (timeout > 0) {
8a694cc8 6357 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
1da177e4
LT		 6358 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6359 udelay(25); /* 25 us */
6360 }
6361
6362 status = readb(ha->mem_ptr + IPS_REG_FLDP);
6363
6364 if (status & 0x80)
6365 break;
6366
6367 MDELAY(1);
6368 timeout--;
6369 }
6370
6371 if (timeout == 0) {
6372 /* timeout error */
6373 writel(0, ha->mem_ptr + IPS_REG_FLAP);
8a694cc8 6374 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6375 udelay(25); /* 25 us */
6376
6377 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
8a694cc8 6378 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6379 udelay(25); /* 25 us */
6380
6381 return (1);
6382 }
6383
6384 /* check the status */
6385 if (status & 0x18) {
6386 /* programming error */
6387 writel(0, ha->mem_ptr + IPS_REG_FLAP);
8a694cc8 6388 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6389 udelay(25); /* 25 us */
6390
6391 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
8a694cc8 6392 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6393 udelay(25); /* 25 us */
6394
6395 return (1);
6396 }
6397 } /* end for */
6398
6399 /* Enable reading */
6400 writel(0, ha->mem_ptr + IPS_REG_FLAP);
8a694cc8 6401 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6402 udelay(25); /* 25 us */
6403
6404 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
8a694cc8 6405 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6406 udelay(25); /* 25 us */
6407
6408 return (0);
6409}
6410
6411/****************************************************************************/
6412/* */
6413/* Routine Name: ips_verify_bios */
6414/* */
6415/* Routine Description: */
6416/* Verify the BIOS on the adapter */
6417/* */
6418/****************************************************************************/
6419static int
6420ips_verify_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6421 uint32_t offset)
6422{
6423 uint8_t checksum;
6424 int i;
6425
6426 METHOD_TRACE("ips_verify_bios", 1);
6427
6428 /* test 1st byte */
6429 outl(0, ha->io_addr + IPS_REG_FLAP);
8a694cc8 6430 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6431 udelay(25); /* 25 us */
6432
6433 if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55)
6434 return (1);
6435
db3cc200 6436 outl(1, ha->io_addr + IPS_REG_FLAP);
8a694cc8 6437 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6438 udelay(25); /* 25 us */
6439 if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA)
6440 return (1);
6441
6442 checksum = 0xff;
6443 for (i = 2; i < buffersize; i++) {
6444
db3cc200 6445 outl(i + offset, ha->io_addr + IPS_REG_FLAP);
8a694cc8 6446 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6447 udelay(25); /* 25 us */
6448
6449 checksum = (uint8_t) checksum + inb(ha->io_addr + IPS_REG_FLDP);
6450 }
6451
6452 if (checksum != 0)
6453 /* failure */
6454 return (1);
6455 else
6456 /* success */
6457 return (0);
6458}
6459
6460/****************************************************************************/
6461/* */
6462/* Routine Name: ips_verify_bios_memio */
6463/* */
6464/* Routine Description: */
6465/* Verify the BIOS on the adapter */
6466/* */
6467/****************************************************************************/
6468static int
6469ips_verify_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6470 uint32_t offset)
6471{
6472 uint8_t checksum;
6473 int i;
6474
6475 METHOD_TRACE("ips_verify_bios_memio", 1);
6476
6477 /* test 1st byte */
6478 writel(0, ha->mem_ptr + IPS_REG_FLAP);
8a694cc8 6479 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6480 udelay(25); /* 25 us */
6481
6482 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0x55)
6483 return (1);
6484
6485 writel(1, ha->mem_ptr + IPS_REG_FLAP);
8a694cc8 6486 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6487 udelay(25); /* 25 us */
6488 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA)
6489 return (1);
6490
6491 checksum = 0xff;
6492 for (i = 2; i < buffersize; i++) {
6493
6494 writel(i + offset, ha->mem_ptr + IPS_REG_FLAP);
8a694cc8 6495 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6496 udelay(25); /* 25 us */
6497
6498 checksum =
6499 (uint8_t) checksum + readb(ha->mem_ptr + IPS_REG_FLDP);
6500 }
6501
6502 if (checksum != 0)
6503 /* failure */
6504 return (1);
6505 else
6506 /* success */
6507 return (0);
6508}
6509
1da177e4
LT		 6510/****************************************************************************/
6511/* */
6512/* Routine Name: ips_abort_init */
6513/* */
6514/* Routine Description: */
6515/* cleanup routine for a failed adapter initialization */
6516/****************************************************************************/
6517static int
6518ips_abort_init(ips_ha_t * ha, int index)
6519{
6520 ha->active = 0;
6521 ips_free(ha);
6522 ips_ha[index] = NULL;
6523 ips_sh[index] = NULL;
6524 return -1;
6525}
6526
6527/****************************************************************************/
6528/* */
6529/* Routine Name: ips_shift_controllers */
6530/* */
6531/* Routine Description: */
6532/* helper function for ordering adapters */
6533/****************************************************************************/
6534static void
6535ips_shift_controllers(int lowindex, int highindex)
6536{
6537 ips_ha_t *ha_sav = ips_ha[highindex];
6538 struct Scsi_Host *sh_sav = ips_sh[highindex];
6539 int i;
6540
6541 for (i = highindex; i > lowindex; i--) {
6542 ips_ha[i] = ips_ha[i - 1];
6543 ips_sh[i] = ips_sh[i - 1];
6544 ips_ha[i]->host_num = i;
6545 }
6546 ha_sav->host_num = lowindex;
6547 ips_ha[lowindex] = ha_sav;
6548 ips_sh[lowindex] = sh_sav;
6549}
6550
6551/****************************************************************************/
6552/* */
6553/* Routine Name: ips_order_controllers */
6554/* */
6555/* Routine Description: */
6556/* place controllers is the "proper" boot order */
6557/****************************************************************************/
6558static void
6559ips_order_controllers(void)
6560{
6561 int i, j, tmp, position = 0;
6562 IPS_NVRAM_P5 *nvram;
6563 if (!ips_ha[0])
6564 return;
6565 nvram = ips_ha[0]->nvram;
6566
6567 if (nvram->adapter_order[0]) {
6568 for (i = 1; i <= nvram->adapter_order[0]; i++) {
6569 for (j = position; j < ips_num_controllers; j++) {
6570 switch (ips_ha[j]->ad_type) {
6571 case IPS_ADTYPE_SERVERAID6M:
6572 case IPS_ADTYPE_SERVERAID7M:
6573 if (nvram->adapter_order[i] == 'M') {
6574 ips_shift_controllers(position,
6575 j);
6576 position++;
6577 }
6578 break;
6579 case IPS_ADTYPE_SERVERAID4L:
6580 case IPS_ADTYPE_SERVERAID4M:
6581 case IPS_ADTYPE_SERVERAID4MX:
6582 case IPS_ADTYPE_SERVERAID4LX:
6583 if (nvram->adapter_order[i] == 'N') {
6584 ips_shift_controllers(position,
6585 j);
6586 position++;
6587 }
6588 break;
6589 case IPS_ADTYPE_SERVERAID6I:
6590 case IPS_ADTYPE_SERVERAID5I2:
6591 case IPS_ADTYPE_SERVERAID5I1:
6592 case IPS_ADTYPE_SERVERAID7k:
6593 if (nvram->adapter_order[i] == 'S') {
6594 ips_shift_controllers(position,
6595 j);
6596 position++;
6597 }
6598 break;
6599 case IPS_ADTYPE_SERVERAID:
6600 case IPS_ADTYPE_SERVERAID2:
6601 case IPS_ADTYPE_NAVAJO:
6602 case IPS_ADTYPE_KIOWA:
6603 case IPS_ADTYPE_SERVERAID3L:
6604 case IPS_ADTYPE_SERVERAID3:
6605 case IPS_ADTYPE_SERVERAID4H:
6606 if (nvram->adapter_order[i] == 'A') {
6607 ips_shift_controllers(position,
6608 j);
6609 position++;
6610 }
6611 break;
6612 default:
6613 break;
6614 }
6615 }
6616 }
6617 /* if adapter_order[0], then ordering is complete */
6618 return;
6619 }
6620 /* old bios, use older ordering */
6621 tmp = 0;
6622 for (i = position; i < ips_num_controllers; i++) {
6623 if (ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID5I2 ||
6624 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID5I1) {
6625 ips_shift_controllers(position, i);
6626 position++;
6627 tmp = 1;
6628 }
6629 }
6630 /* if there were no 5I cards, then don't do any extra ordering */
6631 if (!tmp)
6632 return;
6633 for (i = position; i < ips_num_controllers; i++) {
6634 if (ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4L ||
6635 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4M ||
6636 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4LX ||
6637 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4MX) {
6638 ips_shift_controllers(position, i);
6639 position++;
6640 }
6641 }
6642
6643 return;
6644}
6645
6646/****************************************************************************/
6647/* */
6648/* Routine Name: ips_register_scsi */
6649/* */
6650/* Routine Description: */
6651/* perform any registration and setup with the scsi layer */
6652/****************************************************************************/
6653static int
6654ips_register_scsi(int index)
6655{
6656 struct Scsi_Host *sh;
6657 ips_ha_t *ha, *oldha = ips_ha[index];
6658 sh = scsi_host_alloc(&ips_driver_template, sizeof (ips_ha_t));
6659 if (!sh) {
6660 IPS_PRINTK(KERN_WARNING, oldha->pcidev,
6661 "Unable to register controller with SCSI subsystem\n");
6662 return -1;
6663 }
6664 ha = IPS_HA(sh);
6665 memcpy(ha, oldha, sizeof (ips_ha_t));
8a694cc8 6666 free_irq(oldha->pcidev->irq, oldha);
1da177e4 6667 /* Install the interrupt handler with the new ha */
8a694cc8 6668 if (request_irq(ha->pcidev->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) {
1da177e4
LT		 6669 IPS_PRINTK(KERN_WARNING, ha->pcidev,
6670 "Unable to install interrupt handler\n");
2551a13e 6671 goto err_out_sh;
1da177e4
LT		 6672 }
6673
6674 kfree(oldha);
1da177e4
LT		 6675
6676 /* Store away needed values for later use */
1da177e4 6677 sh->unique_id = (ha->io_addr) ? ha->io_addr : ha->mem_addr;
1da177e4
LT		 6678 sh->sg_tablesize = sh->hostt->sg_tablesize;
6679 sh->can_queue = sh->hostt->can_queue;
6680 sh->cmd_per_lun = sh->hostt->cmd_per_lun;
1da177e4 6681 sh->use_clustering = sh->hostt->use_clustering;
1da177e4 6682 sh->max_sectors = 128;
1da177e4
LT		 6683
6684 sh->max_id = ha->ntargets;
6685 sh->max_lun = ha->nlun;
6686 sh->max_channel = ha->nbus - 1;
6687 sh->can_queue = ha->max_cmds - 1;
6688
2551a13e
JG		 6689 if (scsi_add_host(sh, &ha->pcidev->dev))
6690 goto err_out;
6691
6692 ips_sh[index] = sh;
6693 ips_ha[index] = ha;
6694
c6a6c81c
AB		 6695 scsi_scan_host(sh);
6696
1da177e4 6697 return 0;
2551a13e
JG		 6698
6699err_out:
6700 free_irq(ha->pcidev->irq, ha);
6701err_out_sh:
6702 scsi_host_put(sh);
6703 return -1;
1da177e4
LT		 6704}
6705
6706/*---------------------------------------------------------------------------*/
6707/* Routine Name: ips_remove_device */
6708/* */
6709/* Routine Description: */
6710/* Remove one Adapter ( Hot Plugging ) */
6711/*---------------------------------------------------------------------------*/
6f039790 6712static void
1da177e4
LT		 6713ips_remove_device(struct pci_dev *pci_dev)
6714{
21e1a5f2 6715 struct Scsi_Host *sh = pci_get_drvdata(pci_dev);
1da177e4 6716
21e1a5f2
JG		 6717 pci_set_drvdata(pci_dev, NULL);
6718
6719 ips_release(sh);
6720
6721 pci_release_regions(pci_dev);
6722 pci_disable_device(pci_dev);
1da177e4
LT		 6723}
6724
6725/****************************************************************************/
6726/* */
6727/* Routine Name: ips_module_init */
6728/* */
6729/* Routine Description: */
6730/* function called on module load */
6731/****************************************************************************/
6732static int __init
6733ips_module_init(void)
6734{
e03c2da6
JB		 6735#if !defined(__i386__) && !defined(__ia64__) && !defined(__x86_64__)
6736 printk(KERN_ERR "ips: This driver has only been tested on the x86/ia64/x86_64 platforms\n");
6737 add_taint(TAINT_CPU_OUT_OF_SPEC, LOCKDEP_STILL_OK);
6738#endif
6739
02a0fa67 6740 if (pci_register_driver(&ips_pci_driver) < 0)
1da177e4
LT		 6741 return -ENODEV;
6742 ips_driver_template.module = THIS_MODULE;
6743 ips_order_controllers();
c6a6c81c 6744 if (!ips_detect(&ips_driver_template)) {
1da177e4
LT		 6745 pci_unregister_driver(&ips_pci_driver);
6746 return -ENODEV;
6747 }
6748 register_reboot_notifier(&ips_notifier);
6749 return 0;
6750}
6751
6752/****************************************************************************/
6753/* */
6754/* Routine Name: ips_module_exit */
6755/* */
6756/* Routine Description: */
6757/* function called on module unload */
6758/****************************************************************************/
6759static void __exit
6760ips_module_exit(void)
6761{
1da177e4
LT		 6762 pci_unregister_driver(&ips_pci_driver);
6763 unregister_reboot_notifier(&ips_notifier);
6764}
6765
6766module_init(ips_module_init);
6767module_exit(ips_module_exit);
6768
6769/*---------------------------------------------------------------------------*/
6770/* Routine Name: ips_insert_device */
6771/* */
6772/* Routine Description: */
6773/* Add One Adapter ( Hot Plug ) */
6774/* */
6775/* Return Value: */
6776/* 0 if Successful, else non-zero */
6777/*---------------------------------------------------------------------------*/
6f039790 6778static int
1da177e4
LT		 6779ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent)
6780{
21e1a5f2 6781 int index = -1;
1da177e4
LT		 6782 int rc;
6783
6784 METHOD_TRACE("ips_insert_device", 1);
21e1a5f2
JG		 6785 rc = pci_enable_device(pci_dev);
6786 if (rc)
6787 return rc;
6788
6789 rc = pci_request_regions(pci_dev, "ips");
6790 if (rc)
6791 goto err_out;
1da177e4
LT		 6792
6793 rc = ips_init_phase1(pci_dev, &index);
6794 if (rc == SUCCESS)
6795 rc = ips_init_phase2(index);
6796
6797 if (ips_hotplug)
6798 if (ips_register_scsi(index)) {
6799 ips_free(ips_ha[index]);
6800 rc = -1;
6801 }
6802
6803 if (rc == SUCCESS)
6804 ips_num_controllers++;
6805
6806 ips_next_controller = ips_num_controllers;
21e1a5f2
JG		 6807
6808 if (rc < 0) {
6809 rc = -ENODEV;
6810 goto err_out_regions;
6811 }
6812
6813 pci_set_drvdata(pci_dev, ips_sh[index]);
6814 return 0;
6815
6816err_out_regions:
6817 pci_release_regions(pci_dev);
6818err_out:
6819 pci_disable_device(pci_dev);
1da177e4
LT		 6820 return rc;
6821}
6822
6823/*---------------------------------------------------------------------------*/
6824/* Routine Name: ips_init_phase1 */
6825/* */
6826/* Routine Description: */
6827/* Adapter Initialization */
6828/* */
6829/* Return Value: */
6830/* 0 if Successful, else non-zero */
6831/*---------------------------------------------------------------------------*/
6832static int
6833ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr)
6834{
6835 ips_ha_t *ha;
6836 uint32_t io_addr;
6837 uint32_t mem_addr;
6838 uint32_t io_len;
6839 uint32_t mem_len;
1da177e4
LT		 6840 uint8_t bus;
6841 uint8_t func;
1da177e4
LT		 6842 int j;
6843 int index;
6844 dma_addr_t dma_address;
6845 char __iomem *ioremap_ptr;
6846 char __iomem *mem_ptr;
6847 uint32_t IsDead;
6848
6849 METHOD_TRACE("ips_init_phase1", 1);
6850 index = IPS_MAX_ADAPTERS;
6851 for (j = 0; j < IPS_MAX_ADAPTERS; j++) {
21e1a5f2 6852 if (ips_ha[j] == NULL) {
1da177e4
LT		 6853 index = j;
6854 break;
6855 }
6856 }
6857
6858 if (index >= IPS_MAX_ADAPTERS)
6859 return -1;
6860
6861 /* stuff that we get in dev */
1da177e4
LT		 6862 bus = pci_dev->bus->number;
6863 func = pci_dev->devfn;
6864
6865 /* Init MEM/IO addresses to 0 */
6866 mem_addr = 0;
6867 io_addr = 0;
6868 mem_len = 0;
6869 io_len = 0;
6870
6871 for (j = 0; j < 2; j++) {
6872 if (!pci_resource_start(pci_dev, j))
6873 break;
6874
6875 if (pci_resource_flags(pci_dev, j) & IORESOURCE_IO) {
6876 io_addr = pci_resource_start(pci_dev, j);
6877 io_len = pci_resource_len(pci_dev, j);
6878 } else {
6879 mem_addr = pci_resource_start(pci_dev, j);
6880 mem_len = pci_resource_len(pci_dev, j);
6881 }
6882 }
6883
6884 /* setup memory mapped area (if applicable) */
6885 if (mem_addr) {
6886 uint32_t base;
6887 uint32_t offs;
6888
1da177e4
LT		 6889 base = mem_addr & PAGE_MASK;
6890 offs = mem_addr - base;
6891 ioremap_ptr = ioremap(base, PAGE_SIZE);
21e1a5f2
JG		 6892 if (!ioremap_ptr)
6893 return -1;
1da177e4
LT		 6894 mem_ptr = ioremap_ptr + offs;
6895 } else {
6896 ioremap_ptr = NULL;
6897 mem_ptr = NULL;
6898 }
6899
1da177e4 6900 /* found a controller */
dd00cc48 6901 ha = kzalloc(sizeof (ips_ha_t), GFP_KERNEL);
1da177e4
LT		 6902 if (ha == NULL) {
6903 IPS_PRINTK(KERN_WARNING, pci_dev,
6904 "Unable to allocate temporary ha struct\n");
6905 return -1;
6906 }
6907
1da177e4
LT		 6908 ips_sh[index] = NULL;
6909 ips_ha[index] = ha;
6910 ha->active = 1;
6911
6912 /* Store info in HA structure */
1da177e4
LT		 6913 ha->io_addr = io_addr;
6914 ha->io_len = io_len;
6915 ha->mem_addr = mem_addr;
6916 ha->mem_len = mem_len;
6917 ha->mem_ptr = mem_ptr;
6918 ha->ioremap_ptr = ioremap_ptr;
6919 ha->host_num = (uint32_t) index;
1da177e4 6920 ha->slot_num = PCI_SLOT(pci_dev->devfn);
1da177e4
LT		 6921 ha->pcidev = pci_dev;
6922
6923 /*
6924 * Set the pci_dev's dma_mask. Not all adapters support 64bit
6925 * addressing so don't enable it if the adapter can't support
6926 * it! Also, don't use 64bit addressing if dma addresses
6927 * are guaranteed to be < 4G.
6928 */
6929 if (IPS_ENABLE_DMA64 && IPS_HAS_ENH_SGLIST(ha) &&
32e76961 6930 !dma_set_mask(&ha->pcidev->dev, DMA_BIT_MASK(64))) {
1da177e4
LT		 6931 (ha)->flags |= IPS_HA_ENH_SG;
6932 } else {
32e76961 6933 if (dma_set_mask(&ha->pcidev->dev, DMA_BIT_MASK(32)) != 0) {
1da177e4
LT		 6934 printk(KERN_WARNING "Unable to set DMA Mask\n");
6935 return ips_abort_init(ha, index);
6936 }
6937 }
6938 if(ips_cd_boot && !ips_FlashData){
32e76961
CH		 6939 ips_FlashData = dma_alloc_coherent(&pci_dev->dev,
6940 PAGE_SIZE << 7, &ips_flashbusaddr, GFP_KERNEL);
1da177e4
LT		 6941 }
6942
32e76961
CH		 6943 ha->enq = dma_alloc_coherent(&pci_dev->dev, sizeof (IPS_ENQ),
6944 &ha->enq_busaddr, GFP_KERNEL);
1da177e4
LT		 6945 if (!ha->enq) {
6946 IPS_PRINTK(KERN_WARNING, pci_dev,
6947 "Unable to allocate host inquiry structure\n");
6948 return ips_abort_init(ha, index);
6949 }
6950
32e76961
CH		 6951 ha->adapt = dma_alloc_coherent(&pci_dev->dev,
6952 sizeof (IPS_ADAPTER) + sizeof (IPS_IO_CMD),
6953 &dma_address, GFP_KERNEL);
1da177e4
LT		 6954 if (!ha->adapt) {
6955 IPS_PRINTK(KERN_WARNING, pci_dev,
6956 "Unable to allocate host adapt & dummy structures\n");
6957 return ips_abort_init(ha, index);
6958 }
6959 ha->adapt->hw_status_start = dma_address;
6960 ha->dummy = (void *) (ha->adapt + 1);
6961
6962
6963
32e76961
CH		 6964 ha->logical_drive_info = dma_alloc_coherent(&pci_dev->dev,
6965 sizeof (IPS_LD_INFO), &dma_address, GFP_KERNEL);
1da177e4
LT		 6966 if (!ha->logical_drive_info) {
6967 IPS_PRINTK(KERN_WARNING, pci_dev,
6968 "Unable to allocate logical drive info structure\n");
6969 return ips_abort_init(ha, index);
6970 }
6971 ha->logical_drive_info_dma_addr = dma_address;
6972
6973
6974 ha->conf = kmalloc(sizeof (IPS_CONF), GFP_KERNEL);
6975
6976 if (!ha->conf) {
6977 IPS_PRINTK(KERN_WARNING, pci_dev,
6978 "Unable to allocate host conf structure\n");
6979 return ips_abort_init(ha, index);
6980 }
6981
6982 ha->nvram = kmalloc(sizeof (IPS_NVRAM_P5), GFP_KERNEL);
6983
6984 if (!ha->nvram) {
6985 IPS_PRINTK(KERN_WARNING, pci_dev,
6986 "Unable to allocate host NVRAM structure\n");
6987 return ips_abort_init(ha, index);
6988 }
6989
6990 ha->subsys = kmalloc(sizeof (IPS_SUBSYS), GFP_KERNEL);
6991
6992 if (!ha->subsys) {
6993 IPS_PRINTK(KERN_WARNING, pci_dev,
6994 "Unable to allocate host subsystem structure\n");
6995 return ips_abort_init(ha, index);
6996 }
6997
6998 /* the ioctl buffer is now used during adapter initialization, so its
6999 * successful allocation is now required */
7000 if (ips_ioctlsize < PAGE_SIZE)
7001 ips_ioctlsize = PAGE_SIZE;
7002
32e76961
CH		 7003 ha->ioctl_data = dma_alloc_coherent(&pci_dev->dev, ips_ioctlsize,
7004 &ha->ioctl_busaddr, GFP_KERNEL);
1da177e4
LT		 7005 ha->ioctl_len = ips_ioctlsize;
7006 if (!ha->ioctl_data) {
7007 IPS_PRINTK(KERN_WARNING, pci_dev,
7008 "Unable to allocate IOCTL data\n");
7009 return ips_abort_init(ha, index);
7010 }
7011
7012 /*
7013 * Setup Functions
7014 */
7015 ips_setup_funclist(ha);
7016
7017 if ((IPS_IS_MORPHEUS(ha)) || (IPS_IS_MARCO(ha))) {
7018 /* If Morpheus appears dead, reset it */
7019 IsDead = readl(ha->mem_ptr + IPS_REG_I960_MSG1);
7020 if (IsDead == 0xDEADBEEF) {
7021 ips_reset_morpheus(ha);
7022 }
7023 }
7024
7025 /*
7026 * Initialize the card if it isn't already
7027 */
7028
7029 if (!(*ha->func.isinit) (ha)) {
7030 if (!(*ha->func.init) (ha)) {
7031 /*
7032 * Initialization failed
7033 */
7034 IPS_PRINTK(KERN_WARNING, pci_dev,
7035 "Unable to initialize controller\n");
7036 return ips_abort_init(ha, index);
7037 }
7038 }
7039
7040 *indexPtr = index;
7041 return SUCCESS;
7042}
7043
7044/*---------------------------------------------------------------------------*/
7045/* Routine Name: ips_init_phase2 */
7046/* */
7047/* Routine Description: */
7048/* Adapter Initialization Phase 2 */
7049/* */
7050/* Return Value: */
7051/* 0 if Successful, else non-zero */
7052/*---------------------------------------------------------------------------*/
7053static int
7054ips_init_phase2(int index)
7055{
7056 ips_ha_t *ha;
7057
7058 ha = ips_ha[index];
7059
7060 METHOD_TRACE("ips_init_phase2", 1);
7061 if (!ha->active) {
7062 ips_ha[index] = NULL;
7063 return -1;
7064 }
7065
7066 /* Install the interrupt handler */
8a694cc8 7067 if (request_irq(ha->pcidev->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) {
1da177e4
LT		 7068 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7069 "Unable to install interrupt handler\n");
7070 return ips_abort_init(ha, index);
7071 }
7072
7073 /*
7074 * Allocate a temporary SCB for initialization
7075 */
7076 ha->max_cmds = 1;
7077 if (!ips_allocatescbs(ha)) {
7078 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7079 "Unable to allocate a CCB\n");
8a694cc8 7080 free_irq(ha->pcidev->irq, ha);
1da177e4
LT		 7081 return ips_abort_init(ha, index);
7082 }
7083
7084 if (!ips_hainit(ha)) {
7085 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7086 "Unable to initialize controller\n");
8a694cc8 7087 free_irq(ha->pcidev->irq, ha);
1da177e4
LT		 7088 return ips_abort_init(ha, index);
7089 }
7090 /* Free the temporary SCB */
7091 ips_deallocatescbs(ha, 1);
7092
7093 /* allocate CCBs */
7094 if (!ips_allocatescbs(ha)) {
7095 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7096 "Unable to allocate CCBs\n");
8a694cc8 7097 free_irq(ha->pcidev->irq, ha);
1da177e4
LT		 7098 return ips_abort_init(ha, index);
7099 }
7100
7101 return SUCCESS;
7102}
7103
1da177e4 7104MODULE_LICENSE("GPL");
1da177e4 7105MODULE_DESCRIPTION("IBM ServeRAID Adapter Driver " IPS_VER_STRING);
1da177e4 7106MODULE_VERSION(IPS_VER_STRING);
1da177e4
LT		 7107
7108
7109/*
7110 * Overrides for Emacs so that we almost follow Linus's tabbing style.
7111 * Emacs will notice this stuff at the end of the file and automatically
7112 * adjust the settings for this buffer only. This must remain at the end
7113 * of the file.
7114 * ---------------------------------------------------------------------------
7115 * Local variables:
7116 * c-indent-level: 2
7117 * c-brace-imaginary-offset: 0
7118 * c-brace-offset: -2
7119 * c-argdecl-indent: 2
7120 * c-label-offset: -2
7121 * c-continued-statement-offset: 2
7122 * c-continued-brace-offset: 0
7123 * indent-tabs-mode: nil
7124 * tab-width: 8
7125 * End:
7126 */
Linux 6.x block layer and io_uring tree(s)