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UBUNTU: Ubuntu-4.13.0-45.50
[mirror_ubuntu-artful-kernel.git] / drivers / scsi / ips.c
CommitLineData
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) ? \
1da177e4 211 PCI_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 */
d0be4a7d 227static int ips_detect(struct scsi_host_template *);
1da177e4 228static int ips_release(struct Scsi_Host *);
1516b55d
HK		 229static int ips_eh_abort(struct scsi_cmnd *);
230static int ips_eh_reset(struct scsi_cmnd *);
f281233d 231static int ips_queue(struct Scsi_Host *, struct scsi_cmnd *);
1da177e4 232static const char *ips_info(struct Scsi_Host *);
7d12e780 233static irqreturn_t do_ipsintr(int, void *);
1da177e4
LT		 234static int ips_hainit(ips_ha_t *);
235static int ips_map_status(ips_ha_t *, ips_scb_t *, ips_stat_t *);
236static int ips_send_wait(ips_ha_t *, ips_scb_t *, int, int);
237static int ips_send_cmd(ips_ha_t *, ips_scb_t *);
238static int ips_online(ips_ha_t *, ips_scb_t *);
239static int ips_inquiry(ips_ha_t *, ips_scb_t *);
240static int ips_rdcap(ips_ha_t *, ips_scb_t *);
241static int ips_msense(ips_ha_t *, ips_scb_t *);
242static int ips_reqsen(ips_ha_t *, ips_scb_t *);
243static int ips_deallocatescbs(ips_ha_t *, int);
244static int ips_allocatescbs(ips_ha_t *);
245static int ips_reset_copperhead(ips_ha_t *);
246static int ips_reset_copperhead_memio(ips_ha_t *);
247static int ips_reset_morpheus(ips_ha_t *);
248static int ips_issue_copperhead(ips_ha_t *, ips_scb_t *);
249static int ips_issue_copperhead_memio(ips_ha_t *, ips_scb_t *);
250static int ips_issue_i2o(ips_ha_t *, ips_scb_t *);
251static int ips_issue_i2o_memio(ips_ha_t *, ips_scb_t *);
252static int ips_isintr_copperhead(ips_ha_t *);
253static int ips_isintr_copperhead_memio(ips_ha_t *);
254static int ips_isintr_morpheus(ips_ha_t *);
255static int ips_wait(ips_ha_t *, int, int);
256static int ips_write_driver_status(ips_ha_t *, int);
257static int ips_read_adapter_status(ips_ha_t *, int);
258static int ips_read_subsystem_parameters(ips_ha_t *, int);
259static int ips_read_config(ips_ha_t *, int);
260static int ips_clear_adapter(ips_ha_t *, int);
261static int ips_readwrite_page5(ips_ha_t *, int, int);
262static int ips_init_copperhead(ips_ha_t *);
263static int ips_init_copperhead_memio(ips_ha_t *);
264static int ips_init_morpheus(ips_ha_t *);
265static int ips_isinit_copperhead(ips_ha_t *);
266static int ips_isinit_copperhead_memio(ips_ha_t *);
267static int ips_isinit_morpheus(ips_ha_t *);
268static int ips_erase_bios(ips_ha_t *);
269static int ips_program_bios(ips_ha_t *, char *, uint32_t, uint32_t);
270static int ips_verify_bios(ips_ha_t *, char *, uint32_t, uint32_t);
271static int ips_erase_bios_memio(ips_ha_t *);
272static int ips_program_bios_memio(ips_ha_t *, char *, uint32_t, uint32_t);
273static int ips_verify_bios_memio(ips_ha_t *, char *, uint32_t, uint32_t);
274static int ips_flash_copperhead(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
275static int ips_flash_bios(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
276static int ips_flash_firmware(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
277static void ips_free_flash_copperhead(ips_ha_t * ha);
278static void ips_get_bios_version(ips_ha_t *, int);
279static void ips_identify_controller(ips_ha_t *);
280static void ips_chkstatus(ips_ha_t *, IPS_STATUS *);
281static void ips_enable_int_copperhead(ips_ha_t *);
282static void ips_enable_int_copperhead_memio(ips_ha_t *);
283static void ips_enable_int_morpheus(ips_ha_t *);
284static int ips_intr_copperhead(ips_ha_t *);
285static int ips_intr_morpheus(ips_ha_t *);
286static void ips_next(ips_ha_t *, int);
287static void ipsintr_blocking(ips_ha_t *, struct ips_scb *);
288static void ipsintr_done(ips_ha_t *, struct ips_scb *);
289static void ips_done(ips_ha_t *, ips_scb_t *);
290static void ips_free(ips_ha_t *);
291static void ips_init_scb(ips_ha_t *, ips_scb_t *);
292static void ips_freescb(ips_ha_t *, ips_scb_t *);
293static void ips_setup_funclist(ips_ha_t *);
294static void ips_statinit(ips_ha_t *);
295static void ips_statinit_memio(ips_ha_t *);
296static void ips_fix_ffdc_time(ips_ha_t *, ips_scb_t *, time_t);
297static void ips_ffdc_reset(ips_ha_t *, int);
298static void ips_ffdc_time(ips_ha_t *);
299static uint32_t ips_statupd_copperhead(ips_ha_t *);
300static uint32_t ips_statupd_copperhead_memio(ips_ha_t *);
301static uint32_t ips_statupd_morpheus(ips_ha_t *);
302static ips_scb_t *ips_getscb(ips_ha_t *);
303static void ips_putq_scb_head(ips_scb_queue_t *, ips_scb_t *);
ac6424b9 304static void ips_putq_wait_tail(ips_wait_queue_entry_t *, struct scsi_cmnd *);
1da177e4
LT		 305static void ips_putq_copp_tail(ips_copp_queue_t *,
306 ips_copp_wait_item_t *);
307static ips_scb_t *ips_removeq_scb_head(ips_scb_queue_t *);
308static ips_scb_t *ips_removeq_scb(ips_scb_queue_t *, ips_scb_t *);
ac6424b9
IM		 309static struct scsi_cmnd *ips_removeq_wait_head(ips_wait_queue_entry_t *);
310static struct scsi_cmnd *ips_removeq_wait(ips_wait_queue_entry_t *,
1516b55d 311 struct scsi_cmnd *);
1da177e4
LT		 312static ips_copp_wait_item_t *ips_removeq_copp(ips_copp_queue_t *,
313 ips_copp_wait_item_t *);
314static ips_copp_wait_item_t *ips_removeq_copp_head(ips_copp_queue_t *);
315
1516b55d
HK		 316static int ips_is_passthru(struct scsi_cmnd *);
317static int ips_make_passthru(ips_ha_t *, struct scsi_cmnd *, ips_scb_t *, int);
1da177e4
LT		 318static int ips_usrcmd(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
319static void ips_cleanup_passthru(ips_ha_t *, ips_scb_t *);
1516b55d 320static void ips_scmd_buf_write(struct scsi_cmnd * scmd, void *data,
1da177e4 321 unsigned int count);
1516b55d
HK		 322static void ips_scmd_buf_read(struct scsi_cmnd * scmd, void *data,
323 unsigned int count);
1da177e4 324
aacce706
AV		 325static int ips_write_info(struct Scsi_Host *, char *, int);
326static int ips_show_info(struct seq_file *, struct Scsi_Host *);
327static int ips_host_info(ips_ha_t *, struct seq_file *);
1da177e4
LT		 328static int ips_abort_init(ips_ha_t * ha, int index);
329static int ips_init_phase2(int index);
330
331static int ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr);
332static int ips_register_scsi(int index);
333
ee807c2d
JH		 334static int ips_poll_for_flush_complete(ips_ha_t * ha);
335static void ips_flush_and_reset(ips_ha_t *ha);
336
1da177e4
LT		 337/*
338 * global variables
339 */
340static const char ips_name[] = "ips";
341static struct Scsi_Host *ips_sh[IPS_MAX_ADAPTERS]; /* Array of host controller structures */
342static ips_ha_t *ips_ha[IPS_MAX_ADAPTERS]; /* Array of HA structures */
343static unsigned int ips_next_controller;
344static unsigned int ips_num_controllers;
345static unsigned int ips_released_controllers;
346static int ips_hotplug;
347static int ips_cmd_timeout = 60;
348static int ips_reset_timeout = 60 * 5;
349static int ips_force_memio = 1; /* Always use Memory Mapped I/O */
350static int ips_force_i2o = 1; /* Always use I2O command delivery */
351static int ips_ioctlsize = IPS_IOCTL_SIZE; /* Size of the ioctl buffer */
352static int ips_cd_boot; /* Booting from Manager CD */
353static char *ips_FlashData = NULL; /* CD Boot - Flash Data Buffer */
354static dma_addr_t ips_flashbusaddr;
355static long ips_FlashDataInUse; /* CD Boot - Flash Data In Use Flag */
356static uint32_t MaxLiteCmds = 32; /* Max Active Cmds for a Lite Adapter */
d0be4a7d 357static struct scsi_host_template ips_driver_template = {
1da177e4
LT		 358 .detect = ips_detect,
359 .release = ips_release,
360 .info = ips_info,
361 .queuecommand = ips_queue,
362 .eh_abort_handler = ips_eh_abort,
363 .eh_host_reset_handler = ips_eh_reset,
364 .proc_name = "ips",
aacce706
AV		 365 .show_info = ips_show_info,
366 .write_info = ips_write_info,
1da177e4 367 .slave_configure = ips_slave_configure,
1da177e4
LT		 368 .bios_param = ips_biosparam,
369 .this_id = -1,
370 .sg_tablesize = IPS_MAX_SG,
371 .cmd_per_lun = 3,
372 .use_clustering = ENABLE_CLUSTERING,
54b2b50c 373 .no_write_same = 1,
1da177e4
LT		 374};
375
1da177e4
LT		 376
377/* This table describes all ServeRAID Adapters */
378static struct pci_device_id ips_pci_table[] = {
379 { 0x1014, 0x002E, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
380 { 0x1014, 0x01BD, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
381 { 0x9005, 0x0250, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
382 { 0, }
383};
384
385MODULE_DEVICE_TABLE( pci, ips_pci_table );
386
387static char ips_hot_plug_name[] = "ips";
2f277d6a 388
6f039790
GKH		 389static int ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent);
390static void ips_remove_device(struct pci_dev *pci_dev);
2f277d6a 391
1da177e4
LT		 392static struct pci_driver ips_pci_driver = {
393 .name = ips_hot_plug_name,
394 .id_table = ips_pci_table,
395 .probe = ips_insert_device,
6f039790 396 .remove = ips_remove_device,
1da177e4 397};
2f277d6a 398
1da177e4
LT		 399
400/*
401 * Necessary forward function protoypes
402 */
403static int ips_halt(struct notifier_block *nb, ulong event, void *buf);
404
405#define MAX_ADAPTER_NAME 15
406
407static char ips_adapter_name[][30] = {
408 "ServeRAID",
409 "ServeRAID II",
410 "ServeRAID on motherboard",
411 "ServeRAID on motherboard",
412 "ServeRAID 3H",
413 "ServeRAID 3L",
414 "ServeRAID 4H",
415 "ServeRAID 4M",
416 "ServeRAID 4L",
417 "ServeRAID 4Mx",
418 "ServeRAID 4Lx",
419 "ServeRAID 5i",
420 "ServeRAID 5i",
421 "ServeRAID 6M",
422 "ServeRAID 6i",
423 "ServeRAID 7t",
424 "ServeRAID 7k",
425 "ServeRAID 7M"
426};
427
428static struct notifier_block ips_notifier = {
429 ips_halt, NULL, 0
430};
431
432/*
433 * Direction table
434 */
435static char ips_command_direction[] = {
436 IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT,
437 IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK,
438 IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
439 IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_OUT,
440 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_OUT,
441 IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_OUT,
442 IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_IN,
443 IPS_DATA_UNK, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK,
444 IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_UNK,
445 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT,
446 IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_NONE,
447 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT,
448 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT,
449 IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_NONE,
450 IPS_DATA_UNK, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_UNK,
451 IPS_DATA_NONE, IPS_DATA_OUT, IPS_DATA_IN, 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_OUT, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
454 IPS_DATA_IN, 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_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
466 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
467 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
468 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
469 IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_NONE,
470 IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_OUT,
471 IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_NONE,
472 IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_IN,
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_UNK,
479 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
480 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
481 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
482 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_OUT,
483 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
484 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
485 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
486 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK
487};
488
489
490/****************************************************************************/
491/* */
492/* Routine Name: ips_setup */
493/* */
494/* Routine Description: */
495/* */
496/* setup parameters to the driver */
497/* */
498/****************************************************************************/
499static int
500ips_setup(char *ips_str)
501{
502
503 int i;
504 char *key;
505 char *value;
506 IPS_OPTION options[] = {
507 {"noi2o", &ips_force_i2o, 0},
508 {"nommap", &ips_force_memio, 0},
509 {"ioctlsize", &ips_ioctlsize, IPS_IOCTL_SIZE},
510 {"cdboot", &ips_cd_boot, 0},
511 {"maxcmds", &MaxLiteCmds, 32},
512 };
513
514 /* Don't use strtok() anymore ( if 2.4 Kernel or beyond ) */
515 /* Search for value */
516 while ((key = strsep(&ips_str, ",."))) {
517 if (!*key)
518 continue;
519 value = strchr(key, ':');
520 if (value)
521 *value++ = '\0';
522 /*
523 * We now have key/value pairs.
524 * Update the variables
525 */
6391a113 526 for (i = 0; i < ARRAY_SIZE(options); i++) {
48a96876 527 if (strncasecmp
1da177e4
LT		 528 (key, options[i].option_name,
529 strlen(options[i].option_name)) == 0) {
530 if (value)
531 *options[i].option_flag =
532 simple_strtoul(value, NULL, 0);
533 else
534 *options[i].option_flag =
535 options[i].option_value;
536 break;
537 }
538 }
539 }
540
541 return (1);
542}
543
544__setup("ips=", ips_setup);
545
546/****************************************************************************/
547/* */
548/* Routine Name: ips_detect */
549/* */
550/* Routine Description: */
551/* */
552/* Detect and initialize the driver */
553/* */
554/* NOTE: this routine is called under the io_request_lock spinlock */
555/* */
556/****************************************************************************/
557static int
d0be4a7d 558ips_detect(struct scsi_host_template * SHT)
1da177e4
LT		 559{
560 int i;
561
562 METHOD_TRACE("ips_detect", 1);
563
564#ifdef MODULE
565 if (ips)
566 ips_setup(ips);
567#endif
568
569 for (i = 0; i < ips_num_controllers; i++) {
570 if (ips_register_scsi(i))
571 ips_free(ips_ha[i]);
572 ips_released_controllers++;
573 }
574 ips_hotplug = 1;
575 return (ips_num_controllers);
576}
577
578/****************************************************************************/
579/* configure the function pointers to use the functions that will work */
580/* with the found version of the adapter */
581/****************************************************************************/
582static void
583ips_setup_funclist(ips_ha_t * ha)
584{
585
2f277d6a 586 /*
1da177e4
LT		 587 * Setup Functions
588 */
589 if (IPS_IS_MORPHEUS(ha) || IPS_IS_MARCO(ha)) {
590 /* morpheus / marco / sebring */
591 ha->func.isintr = ips_isintr_morpheus;
592 ha->func.isinit = ips_isinit_morpheus;
593 ha->func.issue = ips_issue_i2o_memio;
594 ha->func.init = ips_init_morpheus;
595 ha->func.statupd = ips_statupd_morpheus;
596 ha->func.reset = ips_reset_morpheus;
597 ha->func.intr = ips_intr_morpheus;
598 ha->func.enableint = ips_enable_int_morpheus;
599 } else if (IPS_USE_MEMIO(ha)) {
600 /* copperhead w/MEMIO */
601 ha->func.isintr = ips_isintr_copperhead_memio;
602 ha->func.isinit = ips_isinit_copperhead_memio;
603 ha->func.init = ips_init_copperhead_memio;
604 ha->func.statupd = ips_statupd_copperhead_memio;
605 ha->func.statinit = ips_statinit_memio;
606 ha->func.reset = ips_reset_copperhead_memio;
607 ha->func.intr = ips_intr_copperhead;
608 ha->func.erasebios = ips_erase_bios_memio;
609 ha->func.programbios = ips_program_bios_memio;
610 ha->func.verifybios = ips_verify_bios_memio;
611 ha->func.enableint = ips_enable_int_copperhead_memio;
612 if (IPS_USE_I2O_DELIVER(ha))
613 ha->func.issue = ips_issue_i2o_memio;
614 else
615 ha->func.issue = ips_issue_copperhead_memio;
616 } else {
617 /* copperhead */
618 ha->func.isintr = ips_isintr_copperhead;
619 ha->func.isinit = ips_isinit_copperhead;
620 ha->func.init = ips_init_copperhead;
621 ha->func.statupd = ips_statupd_copperhead;
622 ha->func.statinit = ips_statinit;
623 ha->func.reset = ips_reset_copperhead;
624 ha->func.intr = ips_intr_copperhead;
625 ha->func.erasebios = ips_erase_bios;
626 ha->func.programbios = ips_program_bios;
627 ha->func.verifybios = ips_verify_bios;
628 ha->func.enableint = ips_enable_int_copperhead;
629
630 if (IPS_USE_I2O_DELIVER(ha))
631 ha->func.issue = ips_issue_i2o;
632 else
633 ha->func.issue = ips_issue_copperhead;
634 }
635}
636
637/****************************************************************************/
638/* */
639/* Routine Name: ips_release */
640/* */
641/* Routine Description: */
642/* */
643/* Remove a driver */
644/* */
645/****************************************************************************/
646static int
647ips_release(struct Scsi_Host *sh)
648{
649 ips_scb_t *scb;
650 ips_ha_t *ha;
651 int i;
652
653 METHOD_TRACE("ips_release", 1);
654
a50ee7a7
MW		 655 scsi_remove_host(sh);
656
1da177e4
LT		 657 for (i = 0; i < IPS_MAX_ADAPTERS && ips_sh[i] != sh; i++) ;
658
659 if (i == IPS_MAX_ADAPTERS) {
660 printk(KERN_WARNING
661 "(%s) release, invalid Scsi_Host pointer.\n", ips_name);
662 BUG();
663 return (FALSE);
664 }
665
666 ha = IPS_HA(sh);
667
668 if (!ha)
669 return (FALSE);
670
671 /* flush the cache on the controller */
672 scb = &ha->scbs[ha->max_cmds - 1];
673
674 ips_init_scb(ha, scb);
675
676 scb->timeout = ips_cmd_timeout;
677 scb->cdb[0] = IPS_CMD_FLUSH;
678
679 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
680 scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb);
681 scb->cmd.flush_cache.state = IPS_NORM_STATE;
682 scb->cmd.flush_cache.reserved = 0;
683 scb->cmd.flush_cache.reserved2 = 0;
684 scb->cmd.flush_cache.reserved3 = 0;
685 scb->cmd.flush_cache.reserved4 = 0;
686
687 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Cache.\n");
688
689 /* send command */
690 if (ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_ON) == IPS_FAILURE)
691 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Incomplete Flush.\n");
692
693 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Complete.\n");
694
695 ips_sh[i] = NULL;
696 ips_ha[i] = NULL;
697
698 /* free extra memory */
699 ips_free(ha);
700
1da177e4 701 /* free IRQ */
8a694cc8 702 free_irq(ha->pcidev->irq, ha);
1da177e4 703
1da177e4
LT		 704 scsi_host_put(sh);
705
706 ips_released_controllers++;
707
708 return (FALSE);
709}
710
711/****************************************************************************/
712/* */
713/* Routine Name: ips_halt */
714/* */
715/* Routine Description: */
716/* */
717/* Perform cleanup when the system reboots */
718/* */
719/****************************************************************************/
720static int
721ips_halt(struct notifier_block *nb, ulong event, void *buf)
722{
723 ips_scb_t *scb;
724 ips_ha_t *ha;
725 int i;
726
727 if ((event != SYS_RESTART) && (event != SYS_HALT) &&
728 (event != SYS_POWER_OFF))
729 return (NOTIFY_DONE);
730
731 for (i = 0; i < ips_next_controller; i++) {
732 ha = (ips_ha_t *) ips_ha[i];
733
734 if (!ha)
735 continue;
736
737 if (!ha->active)
738 continue;
739
740 /* flush the cache on the controller */
741 scb = &ha->scbs[ha->max_cmds - 1];
742
743 ips_init_scb(ha, scb);
744
745 scb->timeout = ips_cmd_timeout;
746 scb->cdb[0] = IPS_CMD_FLUSH;
747
748 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
749 scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb);
750 scb->cmd.flush_cache.state = IPS_NORM_STATE;
751 scb->cmd.flush_cache.reserved = 0;
752 scb->cmd.flush_cache.reserved2 = 0;
753 scb->cmd.flush_cache.reserved3 = 0;
754 scb->cmd.flush_cache.reserved4 = 0;
755
756 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Cache.\n");
757
758 /* send command */
759 if (ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_ON) ==
760 IPS_FAILURE)
761 IPS_PRINTK(KERN_WARNING, ha->pcidev,
762 "Incomplete Flush.\n");
763 else
764 IPS_PRINTK(KERN_WARNING, ha->pcidev,
765 "Flushing Complete.\n");
766 }
767
768 return (NOTIFY_OK);
769}
770
771/****************************************************************************/
772/* */
773/* Routine Name: ips_eh_abort */
774/* */
775/* Routine Description: */
776/* */
777/* Abort a command (using the new error code stuff) */
778/* Note: this routine is called under the io_request_lock */
779/****************************************************************************/
1516b55d 780int ips_eh_abort(struct scsi_cmnd *SC)
1da177e4
LT		 781{
782 ips_ha_t *ha;
783 ips_copp_wait_item_t *item;
784 int ret;
8fa728a2 785 struct Scsi_Host *host;
1da177e4
LT		 786
787 METHOD_TRACE("ips_eh_abort", 1);
788
789 if (!SC)
790 return (FAILED);
791
8fa728a2 792 host = SC->device->host;
1da177e4
LT		 793 ha = (ips_ha_t *) SC->device->host->hostdata;
794
795 if (!ha)
796 return (FAILED);
797
798 if (!ha->active)
799 return (FAILED);
800
c6a6c81c 801 spin_lock(host->host_lock);
8fa728a2 802
1da177e4
LT		 803 /* See if the command is on the copp queue */
804 item = ha->copp_waitlist.head;
805 while ((item) && (item->scsi_cmd != SC))
806 item = item->next;
807
808 if (item) {
809 /* Found it */
810 ips_removeq_copp(&ha->copp_waitlist, item);
811 ret = (SUCCESS);
812
813 /* See if the command is on the wait queue */
814 } else if (ips_removeq_wait(&ha->scb_waitlist, SC)) {
815 /* command not sent yet */
816 ret = (SUCCESS);
817 } else {
818 /* command must have already been sent */
819 ret = (FAILED);
820 }
8fa728a2 821
c6a6c81c 822 spin_unlock(host->host_lock);
1da177e4
LT		 823 return ret;
824}
825
826/****************************************************************************/
827/* */
828/* Routine Name: ips_eh_reset */
829/* */
830/* Routine Description: */
831/* */
832/* Reset the controller (with new eh error code) */
833/* */
834/* NOTE: this routine is called under the io_request_lock spinlock */
835/* */
836/****************************************************************************/
1516b55d 837static int __ips_eh_reset(struct scsi_cmnd *SC)
1da177e4
LT		 838{
839 int ret;
840 int i;
841 ips_ha_t *ha;
842 ips_scb_t *scb;
843 ips_copp_wait_item_t *item;
844
845 METHOD_TRACE("ips_eh_reset", 1);
846
847#ifdef NO_IPS_RESET
848 return (FAILED);
849#else
850
851 if (!SC) {
852 DEBUG(1, "Reset called with NULL scsi command");
853
854 return (FAILED);
855 }
856
857 ha = (ips_ha_t *) SC->device->host->hostdata;
858
859 if (!ha) {
860 DEBUG(1, "Reset called with NULL ha struct");
861
862 return (FAILED);
863 }
864
865 if (!ha->active)
866 return (FAILED);
867
868 /* See if the command is on the copp queue */
869 item = ha->copp_waitlist.head;
870 while ((item) && (item->scsi_cmd != SC))
871 item = item->next;
872
873 if (item) {
874 /* Found it */
875 ips_removeq_copp(&ha->copp_waitlist, item);
876 return (SUCCESS);
877 }
878
879 /* See if the command is on the wait queue */
880 if (ips_removeq_wait(&ha->scb_waitlist, SC)) {
881 /* command not sent yet */
882 return (SUCCESS);
883 }
884
885 /* An explanation for the casual observer: */
886 /* Part of the function of a RAID controller is automatic error */
887 /* detection and recovery. As such, the only problem that physically */
888 /* resetting an adapter will ever fix is when, for some reason, */
889 /* the driver is not successfully communicating with the adapter. */
890 /* Therefore, we will attempt to flush this adapter. If that succeeds, */
891 /* then there's no real purpose in a physical reset. This will complete */
892 /* much faster and avoids any problems that might be caused by a */
893 /* physical reset ( such as having to fail all the outstanding I/O's ). */
894
895 if (ha->ioctl_reset == 0) { /* IF Not an IOCTL Requested Reset */
896 scb = &ha->scbs[ha->max_cmds - 1];
897
898 ips_init_scb(ha, scb);
899
900 scb->timeout = ips_cmd_timeout;
901 scb->cdb[0] = IPS_CMD_FLUSH;
902
903 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
904 scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb);
905 scb->cmd.flush_cache.state = IPS_NORM_STATE;
906 scb->cmd.flush_cache.reserved = 0;
907 scb->cmd.flush_cache.reserved2 = 0;
908 scb->cmd.flush_cache.reserved3 = 0;
909 scb->cmd.flush_cache.reserved4 = 0;
910
911 /* Attempt the flush command */
912 ret = ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_IORL);
913 if (ret == IPS_SUCCESS) {
914 IPS_PRINTK(KERN_NOTICE, ha->pcidev,
915 "Reset Request - Flushed Cache\n");
916 return (SUCCESS);
917 }
918 }
919
920 /* Either we can't communicate with the adapter or it's an IOCTL request */
921 /* from a utility. A physical reset is needed at this point. */
922
923 ha->ioctl_reset = 0; /* Reset the IOCTL Requested Reset Flag */
924
925 /*
926 * command must have already been sent
927 * reset the controller
928 */
929 IPS_PRINTK(KERN_NOTICE, ha->pcidev, "Resetting controller.\n");
930 ret = (*ha->func.reset) (ha);
931
932 if (!ret) {
1516b55d 933 struct scsi_cmnd *scsi_cmd;
1da177e4
LT		 934
935 IPS_PRINTK(KERN_NOTICE, ha->pcidev,
936 "Controller reset failed - controller now offline.\n");
937
938 /* Now fail all of the active commands */
939 DEBUG_VAR(1, "(%s%d) Failing active commands",
940 ips_name, ha->host_num);
941
942 while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) {
943 scb->scsi_cmd->result = DID_ERROR << 16;
944 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
945 ips_freescb(ha, scb);
946 }
947
948 /* Now fail all of the pending commands */
949 DEBUG_VAR(1, "(%s%d) Failing pending commands",
950 ips_name, ha->host_num);
951
952 while ((scsi_cmd = ips_removeq_wait_head(&ha->scb_waitlist))) {
953 scsi_cmd->result = DID_ERROR;
954 scsi_cmd->scsi_done(scsi_cmd);
955 }
956
957 ha->active = FALSE;
958 return (FAILED);
959 }
960
961 if (!ips_clear_adapter(ha, IPS_INTR_IORL)) {
1516b55d 962 struct scsi_cmnd *scsi_cmd;
1da177e4
LT		 963
964 IPS_PRINTK(KERN_NOTICE, ha->pcidev,
965 "Controller reset failed - controller now offline.\n");
966
967 /* Now fail all of the active commands */
968 DEBUG_VAR(1, "(%s%d) Failing active commands",
969 ips_name, ha->host_num);
970
971 while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) {
972 scb->scsi_cmd->result = DID_ERROR << 16;
973 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
974 ips_freescb(ha, scb);
975 }
976
977 /* Now fail all of the pending commands */
978 DEBUG_VAR(1, "(%s%d) Failing pending commands",
979 ips_name, ha->host_num);
980
981 while ((scsi_cmd = ips_removeq_wait_head(&ha->scb_waitlist))) {
982 scsi_cmd->result = DID_ERROR << 16;
983 scsi_cmd->scsi_done(scsi_cmd);
984 }
985
986 ha->active = FALSE;
987 return (FAILED);
988 }
989
990 /* FFDC */
991 if (le32_to_cpu(ha->subsys->param[3]) & 0x300000) {
992 struct timeval tv;
993
994 do_gettimeofday(&tv);
995 ha->last_ffdc = tv.tv_sec;
996 ha->reset_count++;
997 ips_ffdc_reset(ha, IPS_INTR_IORL);
998 }
999
1000 /* Now fail all of the active commands */
1001 DEBUG_VAR(1, "(%s%d) Failing active commands", ips_name, ha->host_num);
1002
1003 while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) {
1c9fbafc 1004 scb->scsi_cmd->result = DID_RESET << 16;
1da177e4
LT		 1005 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
1006 ips_freescb(ha, scb);
1007 }
1008
1009 /* Reset DCDB active command bits */
1010 for (i = 1; i < ha->nbus; i++)
1011 ha->dcdb_active[i - 1] = 0;
1012
1013 /* Reset the number of active IOCTLs */
1014 ha->num_ioctl = 0;
1015
1016 ips_next(ha, IPS_INTR_IORL);
1017
1018 return (SUCCESS);
1019#endif /* NO_IPS_RESET */
1020
1021}
1022
1516b55d 1023static int ips_eh_reset(struct scsi_cmnd *SC)
df0ae249
JG		 1024{
1025 int rc;
1026
1027 spin_lock_irq(SC->device->host->host_lock);
1028 rc = __ips_eh_reset(SC);
1029 spin_unlock_irq(SC->device->host->host_lock);
1030
1031 return rc;
1032}
1033
1da177e4
LT		 1034/****************************************************************************/
1035/* */
1036/* Routine Name: ips_queue */
1037/* */
1038/* Routine Description: */
1039/* */
1040/* Send a command to the controller */
1041/* */
1042/* NOTE: */
1043/* Linux obtains io_request_lock before calling this function */
1044/* */
1045/****************************************************************************/
f281233d 1046static int ips_queue_lck(struct scsi_cmnd *SC, void (*done) (struct scsi_cmnd *))
1da177e4
LT		 1047{
1048 ips_ha_t *ha;
1049 ips_passthru_t *pt;
1050
1051 METHOD_TRACE("ips_queue", 1);
1052
1053 ha = (ips_ha_t *) SC->device->host->hostdata;
1054
1055 if (!ha)
1056 return (1);
1057
1058 if (!ha->active)
1059 return (DID_ERROR);
1060
1061 if (ips_is_passthru(SC)) {
1062 if (ha->copp_waitlist.count == IPS_MAX_IOCTL_QUEUE) {
1063 SC->result = DID_BUS_BUSY << 16;
1064 done(SC);
1065
1066 return (0);
1067 }
1068 } else if (ha->scb_waitlist.count == IPS_MAX_QUEUE) {
1069 SC->result = DID_BUS_BUSY << 16;
1070 done(SC);
1071
1072 return (0);
1073 }
1074
1075 SC->scsi_done = done;
1076
1077 DEBUG_VAR(2, "(%s%d): ips_queue: cmd 0x%X (%d %d %d)",
1078 ips_name,
1079 ha->host_num,
1080 SC->cmnd[0],
1081 SC->device->channel, SC->device->id, SC->device->lun);
1082
1083 /* Check for command to initiator IDs */
422c0d61
JG		 1084 if ((scmd_channel(SC) > 0)
1085 && (scmd_id(SC) == ha->ha_id[scmd_channel(SC)])) {
1da177e4
LT		 1086 SC->result = DID_NO_CONNECT << 16;
1087 done(SC);
1088
1089 return (0);
1090 }
1091
1092 if (ips_is_passthru(SC)) {
1093
1094 ips_copp_wait_item_t *scratch;
1095
1096 /* A Reset IOCTL is only sent by the boot CD in extreme cases. */
1097 /* There can never be any system activity ( network or disk ), but check */
1098 /* anyway just as a good practice. */
2f4cf91c 1099 pt = (ips_passthru_t *) scsi_sglist(SC);
1da177e4
LT		 1100 if ((pt->CoppCP.cmd.reset.op_code == IPS_CMD_RESET_CHANNEL) &&
1101 (pt->CoppCP.cmd.reset.adapter_flag == 1)) {
1102 if (ha->scb_activelist.count != 0) {
1103 SC->result = DID_BUS_BUSY << 16;
1104 done(SC);
1105 return (0);
1106 }
1107 ha->ioctl_reset = 1; /* This reset request is from an IOCTL */
ba3af0af 1108 __ips_eh_reset(SC);
1da177e4
LT		 1109 SC->result = DID_OK << 16;
1110 SC->scsi_done(SC);
1111 return (0);
1112 }
1113
1114 /* allocate space for the scribble */
1115 scratch = kmalloc(sizeof (ips_copp_wait_item_t), GFP_ATOMIC);
1116
1117 if (!scratch) {
1118 SC->result = DID_ERROR << 16;
1119 done(SC);
1120
1121 return (0);
1122 }
1123
1124 scratch->scsi_cmd = SC;
1125 scratch->next = NULL;
1126
1127 ips_putq_copp_tail(&ha->copp_waitlist, scratch);
1128 } else {
1129 ips_putq_wait_tail(&ha->scb_waitlist, SC);
1130 }
1131
1132 ips_next(ha, IPS_INTR_IORL);
1133
1134 return (0);
1135}
1136
f281233d
JG		 1137static DEF_SCSI_QCMD(ips_queue)
1138
1da177e4
LT		 1139/****************************************************************************/
1140/* */
1141/* Routine Name: ips_biosparam */
1142/* */
1143/* Routine Description: */
1144/* */
1145/* Set bios geometry for the controller */
1146/* */
1147/****************************************************************************/
c6a6c81c
AB		 1148static int ips_biosparam(struct scsi_device *sdev, struct block_device *bdev,
1149 sector_t capacity, int geom[])
1da177e4
LT		 1150{
1151 ips_ha_t *ha = (ips_ha_t *) sdev->host->hostdata;
1da177e4
LT		 1152 int heads;
1153 int sectors;
1154 int cylinders;
1155
1156 METHOD_TRACE("ips_biosparam", 1);
1157
1158 if (!ha)
1159 /* ?!?! host adater info invalid */
1160 return (0);
1161
1162 if (!ha->active)
1163 return (0);
1164
1165 if (!ips_read_adapter_status(ha, IPS_INTR_ON))
1166 /* ?!?! Enquiry command failed */
1167 return (0);
1168
1169 if ((capacity > 0x400000) && ((ha->enq->ucMiscFlag & 0x8) == 0)) {
1170 heads = IPS_NORM_HEADS;
1171 sectors = IPS_NORM_SECTORS;
1172 } else {
1173 heads = IPS_COMP_HEADS;
1174 sectors = IPS_COMP_SECTORS;
1175 }
1176
1177 cylinders = (unsigned long) capacity / (heads * sectors);
1178
1179 DEBUG_VAR(2, "Geometry: heads: %d, sectors: %d, cylinders: %d",
1180 heads, sectors, cylinders);
1181
1182 geom[0] = heads;
1183 geom[1] = sectors;
1184 geom[2] = cylinders;
1185
1186 return (0);
1187}
1188
1da177e4
LT		 1189/****************************************************************************/
1190/* */
1191/* Routine Name: ips_slave_configure */
1192/* */
1193/* Routine Description: */
1194/* */
1195/* Set queue depths on devices once scan is complete */
1196/* */
1197/****************************************************************************/
1198static int
f64a181d 1199ips_slave_configure(struct scsi_device * SDptr)
1da177e4
LT		 1200{
1201 ips_ha_t *ha;
1202 int min;
1203
1204 ha = IPS_HA(SDptr->host);
1205 if (SDptr->tagged_supported && SDptr->type == TYPE_DISK) {
1206 min = ha->max_cmds / 2;
1207 if (ha->enq->ucLogDriveCount <= 2)
1208 min = ha->max_cmds - 1;
db5ed4df 1209 scsi_change_queue_depth(SDptr, min);
1da177e4 1210 }
560c26c8
JH		 1211
1212 SDptr->skip_ms_page_8 = 1;
1213 SDptr->skip_ms_page_3f = 1;
1da177e4
LT		 1214 return 0;
1215}
1da177e4
LT		 1216
1217/****************************************************************************/
1218/* */
1219/* Routine Name: do_ipsintr */
1220/* */
1221/* Routine Description: */
1222/* */
1223/* Wrapper for the interrupt handler */
1224/* */
1225/****************************************************************************/
1226static irqreturn_t
7d12e780 1227do_ipsintr(int irq, void *dev_id)
1da177e4
LT		 1228{
1229 ips_ha_t *ha;
1da177e4
LT		 1230 struct Scsi_Host *host;
1231 int irqstatus;
1232
1233 METHOD_TRACE("do_ipsintr", 2);
1234
1235 ha = (ips_ha_t *) dev_id;
1236 if (!ha)
1237 return IRQ_NONE;
1238 host = ips_sh[ha->host_num];
1239 /* interrupt during initialization */
1240 if (!host) {
1241 (*ha->func.intr) (ha);
1242 return IRQ_HANDLED;
1243 }
1244
c6a6c81c 1245 spin_lock(host->host_lock);
1da177e4
LT		 1246
1247 if (!ha->active) {
c6a6c81c 1248 spin_unlock(host->host_lock);
1da177e4
LT		 1249 return IRQ_HANDLED;
1250 }
1251
1252 irqstatus = (*ha->func.intr) (ha);
1253
c6a6c81c 1254 spin_unlock(host->host_lock);
1da177e4
LT		 1255
1256 /* start the next command */
1257 ips_next(ha, IPS_INTR_ON);
1258 return IRQ_RETVAL(irqstatus);
1259}
1260
1261/****************************************************************************/
1262/* */
1263/* Routine Name: ips_intr_copperhead */
1264/* */
1265/* Routine Description: */
1266/* */
1267/* Polling interrupt handler */
1268/* */
1269/* ASSUMES interrupts are disabled */
1270/* */
1271/****************************************************************************/
1272int
1273ips_intr_copperhead(ips_ha_t * ha)
1274{
1275 ips_stat_t *sp;
1276 ips_scb_t *scb;
1277 IPS_STATUS cstatus;
1278 int intrstatus;
1279
1280 METHOD_TRACE("ips_intr", 2);
1281
1282 if (!ha)
1283 return 0;
1284
1285 if (!ha->active)
1286 return 0;
1287
1288 intrstatus = (*ha->func.isintr) (ha);
1289
1290 if (!intrstatus) {
1291 /*
1292 * Unexpected/Shared interrupt
1293 */
1294
1295 return 0;
1296 }
1297
1298 while (TRUE) {
1299 sp = &ha->sp;
1300
1301 intrstatus = (*ha->func.isintr) (ha);
1302
1303 if (!intrstatus)
1304 break;
1305 else
1306 cstatus.value = (*ha->func.statupd) (ha);
1307
1308 if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) {
b1c11812 1309 /* Spurious Interrupt ? */
1da177e4
LT		 1310 continue;
1311 }
1312
1313 ips_chkstatus(ha, &cstatus);
1314 scb = (ips_scb_t *) sp->scb_addr;
1315
1316 /*
1317 * use the callback function to finish things up
1318 * NOTE: interrupts are OFF for this
1319 */
1320 (*scb->callback) (ha, scb);
1321 } /* end while */
1322 return 1;
1323}
1324
1325/****************************************************************************/
1326/* */
1327/* Routine Name: ips_intr_morpheus */
1328/* */
1329/* Routine Description: */
1330/* */
1331/* Polling interrupt handler */
1332/* */
1333/* ASSUMES interrupts are disabled */
1334/* */
1335/****************************************************************************/
1336int
1337ips_intr_morpheus(ips_ha_t * ha)
1338{
1339 ips_stat_t *sp;
1340 ips_scb_t *scb;
1341 IPS_STATUS cstatus;
1342 int intrstatus;
1343
1344 METHOD_TRACE("ips_intr_morpheus", 2);
1345
1346 if (!ha)
1347 return 0;
1348
1349 if (!ha->active)
1350 return 0;
1351
1352 intrstatus = (*ha->func.isintr) (ha);
1353
1354 if (!intrstatus) {
1355 /*
1356 * Unexpected/Shared interrupt
1357 */
1358
1359 return 0;
1360 }
1361
1362 while (TRUE) {
1363 sp = &ha->sp;
1364
1365 intrstatus = (*ha->func.isintr) (ha);
1366
1367 if (!intrstatus)
1368 break;
1369 else
1370 cstatus.value = (*ha->func.statupd) (ha);
1371
1372 if (cstatus.value == 0xffffffff)
1373 /* No more to process */
1374 break;
1375
1376 if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) {
1377 IPS_PRINTK(KERN_WARNING, ha->pcidev,
1378 "Spurious interrupt; no ccb.\n");
1379
1380 continue;
1381 }
1382
1383 ips_chkstatus(ha, &cstatus);
1384 scb = (ips_scb_t *) sp->scb_addr;
1385
1386 /*
1387 * use the callback function to finish things up
1388 * NOTE: interrupts are OFF for this
1389 */
1390 (*scb->callback) (ha, scb);
1391 } /* end while */
1392 return 1;
1393}
1394
1395/****************************************************************************/
1396/* */
1397/* Routine Name: ips_info */
1398/* */
1399/* Routine Description: */
1400/* */
1401/* Return info about the driver */
1402/* */
1403/****************************************************************************/
1404static const char *
1405ips_info(struct Scsi_Host *SH)
1406{
1407 static char buffer[256];
1408 char *bp;
1409 ips_ha_t *ha;
1410
1411 METHOD_TRACE("ips_info", 1);
1412
1413 ha = IPS_HA(SH);
1414
1415 if (!ha)
1416 return (NULL);
1417
1418 bp = &buffer[0];
1419 memset(bp, 0, sizeof (buffer));
1420
1421 sprintf(bp, "%s%s%s Build %d", "IBM PCI ServeRAID ",
1422 IPS_VERSION_HIGH, IPS_VERSION_LOW, IPS_BUILD_IDENT);
1423
1424 if (ha->ad_type > 0 && ha->ad_type <= MAX_ADAPTER_NAME) {
1425 strcat(bp, " <");
1426 strcat(bp, ips_adapter_name[ha->ad_type - 1]);
1427 strcat(bp, ">");
1428 }
1429
1430 return (bp);
1431}
1432
1da177e4 1433static int
aacce706 1434ips_write_info(struct Scsi_Host *host, char *buffer, int length)
1da177e4
LT		 1435{
1436 int i;
1da177e4
LT		 1437 ips_ha_t *ha = NULL;
1438
1da177e4
LT		 1439 /* Find our host structure */
1440 for (i = 0; i < ips_next_controller; i++) {
1441 if (ips_sh[i]) {
1442 if (ips_sh[i] == host) {
1443 ha = (ips_ha_t *) ips_sh[i]->hostdata;
1444 break;
1445 }
1446 }
1447 }
1448
1449 if (!ha)
1450 return (-EINVAL);
1451
aacce706
AV		 1452 return 0;
1453}
1da177e4 1454
aacce706
AV		 1455static int
1456ips_show_info(struct seq_file *m, struct Scsi_Host *host)
1457{
1458 int i;
1459 ips_ha_t *ha = NULL;
1da177e4 1460
aacce706
AV		 1461 /* Find our host structure */
1462 for (i = 0; i < ips_next_controller; i++) {
1463 if (ips_sh[i]) {
1464 if (ips_sh[i] == host) {
1465 ha = (ips_ha_t *) ips_sh[i]->hostdata;
1466 break;
1467 }
1468 }
1da177e4 1469 }
aacce706
AV		 1470
1471 if (!ha)
1472 return (-EINVAL);
1473
1474 return ips_host_info(ha, m);
1da177e4
LT		 1475}
1476
1477/*--------------------------------------------------------------------------*/
1478/* Helper Functions */
1479/*--------------------------------------------------------------------------*/
1480
1481/****************************************************************************/
1482/* */
1483/* Routine Name: ips_is_passthru */
1484/* */
1485/* Routine Description: */
1486/* */
1487/* Determine if the specified SCSI command is really a passthru command */
1488/* */
1489/****************************************************************************/
1516b55d 1490static int ips_is_passthru(struct scsi_cmnd *SC)
1da177e4 1491{
a3632fa3
JH		 1492 unsigned long flags;
1493
1da177e4
LT		 1494 METHOD_TRACE("ips_is_passthru", 1);
1495
1496 if (!SC)
1497 return (0);
1498
1499 if ((SC->cmnd[0] == IPS_IOCTL_COMMAND) &&
1500 (SC->device->channel == 0) &&
1501 (SC->device->id == IPS_ADAPTER_ID) &&
2f4cf91c
FT		 1502 (SC->device->lun == 0) && scsi_sglist(SC)) {
1503 struct scatterlist *sg = scsi_sglist(SC);
1504 char *buffer;
1505
1506 /* kmap_atomic() ensures addressability of the user buffer.*/
1507 /* local_irq_save() protects the KM_IRQ0 address slot. */
1508 local_irq_save(flags);
77dfce07 1509 buffer = kmap_atomic(sg_page(sg)) + sg->offset;
2f4cf91c
FT		 1510 if (buffer && buffer[0] == 'C' && buffer[1] == 'O' &&
1511 buffer[2] == 'P' && buffer[3] == 'P') {
77dfce07 1512 kunmap_atomic(buffer - sg->offset);
2f4cf91c
FT		 1513 local_irq_restore(flags);
1514 return 1;
1515 }
77dfce07 1516 kunmap_atomic(buffer - sg->offset);
2f4cf91c 1517 local_irq_restore(flags);
1da177e4
LT		 1518 }
1519 return 0;
1520}
1521
1522/****************************************************************************/
1523/* */
1524/* Routine Name: ips_alloc_passthru_buffer */
1525/* */
1526/* Routine Description: */
1527/* allocate a buffer large enough for the ioctl data if the ioctl buffer */
1528/* is too small or doesn't exist */
1529/****************************************************************************/
1530static int
1531ips_alloc_passthru_buffer(ips_ha_t * ha, int length)
1532{
1533 void *bigger_buf;
1534 dma_addr_t dma_busaddr;
1535
1536 if (ha->ioctl_data && length <= ha->ioctl_len)
1537 return 0;
1538 /* there is no buffer or it's not big enough, allocate a new one */
1539 bigger_buf = pci_alloc_consistent(ha->pcidev, length, &dma_busaddr);
1540 if (bigger_buf) {
1541 /* free the old memory */
1542 pci_free_consistent(ha->pcidev, ha->ioctl_len, ha->ioctl_data,
1543 ha->ioctl_busaddr);
1544 /* use the new memory */
1545 ha->ioctl_data = (char *) bigger_buf;
1546 ha->ioctl_len = length;
1547 ha->ioctl_busaddr = dma_busaddr;
1548 } else {
1549 return -1;
1550 }
1551 return 0;
1552}
1553
1554/****************************************************************************/
1555/* */
1556/* Routine Name: ips_make_passthru */
1557/* */
1558/* Routine Description: */
1559/* */
1560/* Make a passthru command out of the info in the Scsi block */
1561/* */
1562/****************************************************************************/
1563static int
1516b55d 1564ips_make_passthru(ips_ha_t *ha, struct scsi_cmnd *SC, ips_scb_t *scb, int intr)
1da177e4
LT		 1565{
1566 ips_passthru_t *pt;
1567 int length = 0;
2f4cf91c
FT		 1568 int i, ret;
1569 struct scatterlist *sg = scsi_sglist(SC);
1da177e4
LT		 1570
1571 METHOD_TRACE("ips_make_passthru", 1);
1572
2f4cf91c 1573 scsi_for_each_sg(SC, sg, scsi_sg_count(SC), i)
2b28a472 1574 length += sg->length;
2f4cf91c 1575
1da177e4
LT		 1576 if (length < sizeof (ips_passthru_t)) {
1577 /* wrong size */
1578 DEBUG_VAR(1, "(%s%d) Passthru structure wrong size",
1579 ips_name, ha->host_num);
1580 return (IPS_FAILURE);
1581 }
1582 if (ips_alloc_passthru_buffer(ha, length)) {
1583 /* allocation failure! If ha->ioctl_data exists, use it to return
1584 some error codes. Return a failed command to the scsi layer. */
1585 if (ha->ioctl_data) {
1586 pt = (ips_passthru_t *) ha->ioctl_data;
1587 ips_scmd_buf_read(SC, pt, sizeof (ips_passthru_t));
1588 pt->BasicStatus = 0x0B;
1589 pt->ExtendedStatus = 0x00;
1590 ips_scmd_buf_write(SC, pt, sizeof (ips_passthru_t));
1591 }
1592 return IPS_FAILURE;
1593 }
1594 ha->ioctl_datasize = length;
1595
1596 ips_scmd_buf_read(SC, ha->ioctl_data, ha->ioctl_datasize);
1597 pt = (ips_passthru_t *) ha->ioctl_data;
1598
1599 /*
1600 * Some notes about the passthru interface used
1601 *
1602 * IF the scsi op_code == 0x0d then we assume
1603 * that the data came along with/goes with the
1604 * packet we received from the sg driver. In this
1605 * case the CmdBSize field of the pt structure is
1606 * used for the size of the buffer.
1607 */
1608
1609 switch (pt->CoppCmd) {
1610 case IPS_NUMCTRLS:
1611 memcpy(ha->ioctl_data + sizeof (ips_passthru_t),
1612 &ips_num_controllers, sizeof (int));
1613 ips_scmd_buf_write(SC, ha->ioctl_data,
1614 sizeof (ips_passthru_t) + sizeof (int));
1615 SC->result = DID_OK << 16;
1616
1617 return (IPS_SUCCESS_IMM);
1618
1619 case IPS_COPPUSRCMD:
1620 case IPS_COPPIOCCMD:
1621 if (SC->cmnd[0] == IPS_IOCTL_COMMAND) {
1622 if (length < (sizeof (ips_passthru_t) + pt->CmdBSize)) {
1623 /* wrong size */
1624 DEBUG_VAR(1,
1625 "(%s%d) Passthru structure wrong size",
1626 ips_name, ha->host_num);
1627
1628 return (IPS_FAILURE);
1629 }
1630
8a694cc8 1631 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD &&
1da177e4
LT		 1632 pt->CoppCP.cmd.flashfw.op_code ==
1633 IPS_CMD_RW_BIOSFW) {
1634 ret = ips_flash_copperhead(ha, pt, scb);
1635 ips_scmd_buf_write(SC, ha->ioctl_data,
1636 sizeof (ips_passthru_t));
1637 return ret;
1638 }
1639 if (ips_usrcmd(ha, pt, scb))
1640 return (IPS_SUCCESS);
1641 else
1642 return (IPS_FAILURE);
1643 }
1644
1645 break;
1646
1647 } /* end switch */
1648
1649 return (IPS_FAILURE);
1650}
1651
1652/****************************************************************************/
1653/* Routine Name: ips_flash_copperhead */
1654/* Routine Description: */
1655/* Flash the BIOS/FW on a Copperhead style controller */
1656/****************************************************************************/
1657static int
1658ips_flash_copperhead(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1659{
1660 int datasize;
1661
1662 /* Trombone is the only copperhead that can do packet flash, but only
25985edc 1663 * for firmware. No one said it had to make sense. */
1da177e4
LT		 1664 if (IPS_IS_TROMBONE(ha) && pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE) {
1665 if (ips_usrcmd(ha, pt, scb))
1666 return IPS_SUCCESS;
1667 else
1668 return IPS_FAILURE;
1669 }
1670 pt->BasicStatus = 0x0B;
1671 pt->ExtendedStatus = 0;
1672 scb->scsi_cmd->result = DID_OK << 16;
1673 /* IF it's OK to Use the "CD BOOT" Flash Buffer, then you can */
1674 /* avoid allocating a huge buffer per adapter ( which can fail ). */
1675 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1676 pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS) {
1677 pt->BasicStatus = 0;
1678 return ips_flash_bios(ha, pt, scb);
1679 } else if (pt->CoppCP.cmd.flashfw.packet_num == 0) {
1680 if (ips_FlashData && !test_and_set_bit(0, &ips_FlashDataInUse)){
1681 ha->flash_data = ips_FlashData;
1682 ha->flash_busaddr = ips_flashbusaddr;
1683 ha->flash_len = PAGE_SIZE << 7;
1684 ha->flash_datasize = 0;
1685 } else if (!ha->flash_data) {
1686 datasize = pt->CoppCP.cmd.flashfw.total_packets *
1687 pt->CoppCP.cmd.flashfw.count;
1688 ha->flash_data = pci_alloc_consistent(ha->pcidev,
1689 datasize,
1690 &ha->flash_busaddr);
1691 if (!ha->flash_data){
1692 printk(KERN_WARNING "Unable to allocate a flash buffer\n");
1693 return IPS_FAILURE;
1694 }
1695 ha->flash_datasize = 0;
1696 ha->flash_len = datasize;
1697 } else
1698 return IPS_FAILURE;
1699 } else {
1700 if (pt->CoppCP.cmd.flashfw.count + ha->flash_datasize >
1701 ha->flash_len) {
1702 ips_free_flash_copperhead(ha);
1703 IPS_PRINTK(KERN_WARNING, ha->pcidev,
1704 "failed size sanity check\n");
1705 return IPS_FAILURE;
1706 }
1707 }
1708 if (!ha->flash_data)
1709 return IPS_FAILURE;
1710 pt->BasicStatus = 0;
1711 memcpy(&ha->flash_data[ha->flash_datasize], pt + 1,
1712 pt->CoppCP.cmd.flashfw.count);
1713 ha->flash_datasize += pt->CoppCP.cmd.flashfw.count;
1714 if (pt->CoppCP.cmd.flashfw.packet_num ==
1715 pt->CoppCP.cmd.flashfw.total_packets - 1) {
1716 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE)
1717 return ips_flash_bios(ha, pt, scb);
1718 else if (pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE)
1719 return ips_flash_firmware(ha, pt, scb);
1720 }
1721 return IPS_SUCCESS_IMM;
1722}
1723
1724/****************************************************************************/
1725/* Routine Name: ips_flash_bios */
1726/* Routine Description: */
1727/* flashes the bios of a copperhead adapter */
1728/****************************************************************************/
1729static int
1730ips_flash_bios(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1731{
1732
1733 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1734 pt->CoppCP.cmd.flashfw.direction == IPS_WRITE_BIOS) {
1735 if ((!ha->func.programbios) || (!ha->func.erasebios) ||
1736 (!ha->func.verifybios))
1737 goto error;
1738 if ((*ha->func.erasebios) (ha)) {
1739 DEBUG_VAR(1,
1740 "(%s%d) flash bios failed - unable to erase flash",
1741 ips_name, ha->host_num);
1742 goto error;
1743 } else
1744 if ((*ha->func.programbios) (ha,
1745 ha->flash_data +
1746 IPS_BIOS_HEADER,
1747 ha->flash_datasize -
1748 IPS_BIOS_HEADER, 0)) {
1749 DEBUG_VAR(1,
1750 "(%s%d) flash bios failed - unable to flash",
1751 ips_name, ha->host_num);
1752 goto error;
1753 } else
1754 if ((*ha->func.verifybios) (ha,
1755 ha->flash_data +
1756 IPS_BIOS_HEADER,
1757 ha->flash_datasize -
1758 IPS_BIOS_HEADER, 0)) {
1759 DEBUG_VAR(1,
1760 "(%s%d) flash bios failed - unable to verify flash",
1761 ips_name, ha->host_num);
1762 goto error;
1763 }
1764 ips_free_flash_copperhead(ha);
1765 return IPS_SUCCESS_IMM;
1766 } else if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1767 pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS) {
1768 if (!ha->func.erasebios)
1769 goto error;
1770 if ((*ha->func.erasebios) (ha)) {
1771 DEBUG_VAR(1,
1772 "(%s%d) flash bios failed - unable to erase flash",
1773 ips_name, ha->host_num);
1774 goto error;
1775 }
1776 return IPS_SUCCESS_IMM;
1777 }
1778 error:
1779 pt->BasicStatus = 0x0B;
1780 pt->ExtendedStatus = 0x00;
1781 ips_free_flash_copperhead(ha);
1782 return IPS_FAILURE;
1783}
1784
1785/****************************************************************************/
1786/* */
1787/* Routine Name: ips_fill_scb_sg_single */
1788/* */
1789/* Routine Description: */
1790/* Fill in a single scb sg_list element from an address */
1791/* return a -1 if a breakup occurred */
1792/****************************************************************************/
1793static int
1794ips_fill_scb_sg_single(ips_ha_t * ha, dma_addr_t busaddr,
1795 ips_scb_t * scb, int indx, unsigned int e_len)
1796{
1797
1798 int ret_val = 0;
1799
1800 if ((scb->data_len + e_len) > ha->max_xfer) {
1801 e_len = ha->max_xfer - scb->data_len;
1802 scb->breakup = indx;
1803 ++scb->sg_break;
1804 ret_val = -1;
1805 } else {
1806 scb->breakup = 0;
1807 scb->sg_break = 0;
1808 }
1809 if (IPS_USE_ENH_SGLIST(ha)) {
1810 scb->sg_list.enh_list[indx].address_lo =
1811 cpu_to_le32(pci_dma_lo32(busaddr));
1812 scb->sg_list.enh_list[indx].address_hi =
1813 cpu_to_le32(pci_dma_hi32(busaddr));
1814 scb->sg_list.enh_list[indx].length = cpu_to_le32(e_len);
1815 } else {
1816 scb->sg_list.std_list[indx].address =
1817 cpu_to_le32(pci_dma_lo32(busaddr));
1818 scb->sg_list.std_list[indx].length = cpu_to_le32(e_len);
1819 }
1820
1821 ++scb->sg_len;
1822 scb->data_len += e_len;
1823 return ret_val;
1824}
1825
1826/****************************************************************************/
1827/* Routine Name: ips_flash_firmware */
1828/* Routine Description: */
1829/* flashes the firmware of a copperhead adapter */
1830/****************************************************************************/
1831static int
1832ips_flash_firmware(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1833{
1834 IPS_SG_LIST sg_list;
1835 uint32_t cmd_busaddr;
1836
1837 if (pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE &&
1838 pt->CoppCP.cmd.flashfw.direction == IPS_WRITE_FW) {
1839 memset(&pt->CoppCP.cmd, 0, sizeof (IPS_HOST_COMMAND));
1840 pt->CoppCP.cmd.flashfw.op_code = IPS_CMD_DOWNLOAD;
1841 pt->CoppCP.cmd.flashfw.count = cpu_to_le32(ha->flash_datasize);
1842 } else {
1843 pt->BasicStatus = 0x0B;
1844 pt->ExtendedStatus = 0x00;
1845 ips_free_flash_copperhead(ha);
1846 return IPS_FAILURE;
1847 }
1848 /* Save the S/G list pointer so it doesn't get clobbered */
1849 sg_list.list = scb->sg_list.list;
1850 cmd_busaddr = scb->scb_busaddr;
1851 /* copy in the CP */
1852 memcpy(&scb->cmd, &pt->CoppCP.cmd, sizeof (IPS_IOCTL_CMD));
1853 /* FIX stuff that might be wrong */
1854 scb->sg_list.list = sg_list.list;
1855 scb->scb_busaddr = cmd_busaddr;
1856 scb->bus = scb->scsi_cmd->device->channel;
1857 scb->target_id = scb->scsi_cmd->device->id;
1858 scb->lun = scb->scsi_cmd->device->lun;
1859 scb->sg_len = 0;
1860 scb->data_len = 0;
1861 scb->flags = 0;
1862 scb->op_code = 0;
1863 scb->callback = ipsintr_done;
1864 scb->timeout = ips_cmd_timeout;
1865
1866 scb->data_len = ha->flash_datasize;
1867 scb->data_busaddr =
1868 pci_map_single(ha->pcidev, ha->flash_data, scb->data_len,
1869 IPS_DMA_DIR(scb));
1870 scb->flags |= IPS_SCB_MAP_SINGLE;
1871 scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb);
1872 scb->cmd.flashfw.buffer_addr = cpu_to_le32(scb->data_busaddr);
1873 if (pt->TimeOut)
1874 scb->timeout = pt->TimeOut;
1875 scb->scsi_cmd->result = DID_OK << 16;
1876 return IPS_SUCCESS;
1877}
1878
1879/****************************************************************************/
1880/* Routine Name: ips_free_flash_copperhead */
1881/* Routine Description: */
1882/* release the memory resources used to hold the flash image */
1883/****************************************************************************/
1884static void
1885ips_free_flash_copperhead(ips_ha_t * ha)
1886{
1887 if (ha->flash_data == ips_FlashData)
1888 test_and_clear_bit(0, &ips_FlashDataInUse);
1889 else if (ha->flash_data)
1890 pci_free_consistent(ha->pcidev, ha->flash_len, ha->flash_data,
1891 ha->flash_busaddr);
1892 ha->flash_data = NULL;
1893}
1894
1895/****************************************************************************/
1896/* */
1897/* Routine Name: ips_usrcmd */
1898/* */
1899/* Routine Description: */
1900/* */
1901/* Process a user command and make it ready to send */
1902/* */
1903/****************************************************************************/
1904static int
1905ips_usrcmd(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1906{
1907 IPS_SG_LIST sg_list;
1908 uint32_t cmd_busaddr;
1909
1910 METHOD_TRACE("ips_usrcmd", 1);
1911
1912 if ((!scb) || (!pt) || (!ha))
1913 return (0);
1914
1915 /* Save the S/G list pointer so it doesn't get clobbered */
1916 sg_list.list = scb->sg_list.list;
1917 cmd_busaddr = scb->scb_busaddr;
1918 /* copy in the CP */
1919 memcpy(&scb->cmd, &pt->CoppCP.cmd, sizeof (IPS_IOCTL_CMD));
1920 memcpy(&scb->dcdb, &pt->CoppCP.dcdb, sizeof (IPS_DCDB_TABLE));
1921
1922 /* FIX stuff that might be wrong */
1923 scb->sg_list.list = sg_list.list;
1924 scb->scb_busaddr = cmd_busaddr;
1925 scb->bus = scb->scsi_cmd->device->channel;
1926 scb->target_id = scb->scsi_cmd->device->id;
1927 scb->lun = scb->scsi_cmd->device->lun;
1928 scb->sg_len = 0;
1929 scb->data_len = 0;
1930 scb->flags = 0;
1931 scb->op_code = 0;
1932 scb->callback = ipsintr_done;
1933 scb->timeout = ips_cmd_timeout;
1934 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
1935
1936 /* we don't support DCDB/READ/WRITE Scatter Gather */
1937 if ((scb->cmd.basic_io.op_code == IPS_CMD_READ_SG) ||
1938 (scb->cmd.basic_io.op_code == IPS_CMD_WRITE_SG) ||
1939 (scb->cmd.basic_io.op_code == IPS_CMD_DCDB_SG))
1940 return (0);
1941
1942 if (pt->CmdBSize) {
1943 scb->data_len = pt->CmdBSize;
1944 scb->data_busaddr = ha->ioctl_busaddr + sizeof (ips_passthru_t);
1945 } else {
1946 scb->data_busaddr = 0L;
1947 }
1948
1949 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB)
1950 scb->cmd.dcdb.dcdb_address = cpu_to_le32(scb->scb_busaddr +
1951 (unsigned long) &scb->
1952 dcdb -
1953 (unsigned long) scb);
1954
1955 if (pt->CmdBSize) {
1956 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB)
1957 scb->dcdb.buffer_pointer =
1958 cpu_to_le32(scb->data_busaddr);
1959 else
1960 scb->cmd.basic_io.sg_addr =
1961 cpu_to_le32(scb->data_busaddr);
1962 }
1963
1964 /* set timeouts */
1965 if (pt->TimeOut) {
1966 scb->timeout = pt->TimeOut;
1967
1968 if (pt->TimeOut <= 10)
1969 scb->dcdb.cmd_attribute |= IPS_TIMEOUT10;
1970 else if (pt->TimeOut <= 60)
1971 scb->dcdb.cmd_attribute |= IPS_TIMEOUT60;
1972 else
1973 scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M;
1974 }
1975
1976 /* assume success */
1977 scb->scsi_cmd->result = DID_OK << 16;
1978
1979 /* success */
1980 return (1);
1981}
1982
1983/****************************************************************************/
1984/* */
1985/* Routine Name: ips_cleanup_passthru */
1986/* */
1987/* Routine Description: */
1988/* */
1989/* Cleanup after a passthru command */
1990/* */
1991/****************************************************************************/
1992static void
1993ips_cleanup_passthru(ips_ha_t * ha, ips_scb_t * scb)
1994{
1995 ips_passthru_t *pt;
1996
1997 METHOD_TRACE("ips_cleanup_passthru", 1);
1998
2f4cf91c 1999 if ((!scb) || (!scb->scsi_cmd) || (!scsi_sglist(scb->scsi_cmd))) {
1da177e4
LT		 2000 DEBUG_VAR(1, "(%s%d) couldn't cleanup after passthru",
2001 ips_name, ha->host_num);
2002
2003 return;
2004 }
2005 pt = (ips_passthru_t *) ha->ioctl_data;
2006
2007 /* Copy data back to the user */
2008 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB) /* Copy DCDB Back to Caller's Area */
2009 memcpy(&pt->CoppCP.dcdb, &scb->dcdb, sizeof (IPS_DCDB_TABLE));
2010
2011 pt->BasicStatus = scb->basic_status;
2012 pt->ExtendedStatus = scb->extended_status;
2013 pt->AdapterType = ha->ad_type;
2014
8a694cc8 2015 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD &&
1da177e4
LT		 2016 (scb->cmd.flashfw.op_code == IPS_CMD_DOWNLOAD ||
2017 scb->cmd.flashfw.op_code == IPS_CMD_RW_BIOSFW))
2018 ips_free_flash_copperhead(ha);
2019
2020 ips_scmd_buf_write(scb->scsi_cmd, ha->ioctl_data, ha->ioctl_datasize);
2021}
2022
2023/****************************************************************************/
2024/* */
2025/* Routine Name: ips_host_info */
2026/* */
2027/* Routine Description: */
2028/* */
2029/* The passthru interface for the driver */
2030/* */
2031/****************************************************************************/
2032static int
aacce706 2033ips_host_info(ips_ha_t *ha, struct seq_file *m)
1da177e4 2034{
1da177e4
LT		 2035 METHOD_TRACE("ips_host_info", 1);
2036
91c40f24 2037 seq_puts(m, "\nIBM ServeRAID General Information:\n\n");
1da177e4
LT		 2038
2039 if ((le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) &&
2040 (le16_to_cpu(ha->nvram->adapter_type) != 0))
aacce706 2041 seq_printf(m, "\tController Type : %s\n",
1da177e4
LT		 2042 ips_adapter_name[ha->ad_type - 1]);
2043 else
91c40f24 2044 seq_puts(m, "\tController Type : Unknown\n");
1da177e4
LT		 2045
2046 if (ha->io_addr)
aacce706 2047 seq_printf(m,
1bb7109a 2048 "\tIO region : 0x%x (%d bytes)\n",
1da177e4
LT		 2049 ha->io_addr, ha->io_len);
2050
2051 if (ha->mem_addr) {
aacce706 2052 seq_printf(m,
1bb7109a 2053 "\tMemory region : 0x%x (%d bytes)\n",
1da177e4 2054 ha->mem_addr, ha->mem_len);
aacce706 2055 seq_printf(m,
1da177e4 2056 "\tShared memory address : 0x%lx\n",
1bb7109a 2057 (unsigned long)ha->mem_ptr);
1da177e4
LT		 2058 }
2059
aacce706 2060 seq_printf(m, "\tIRQ number : %d\n", ha->pcidev->irq);
1da177e4
LT		 2061
2062 /* For the Next 3 lines Check for Binary 0 at the end and don't include it if it's there. */
2063 /* That keeps everything happy for "text" operations on the proc file. */
2064
2065 if (le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) {
2f277d6a 2066 if (ha->nvram->bios_low[3] == 0) {
aacce706
AV		 2067 seq_printf(m,
2068 "\tBIOS Version : %c%c%c%c%c%c%c\n",
2069 ha->nvram->bios_high[0], ha->nvram->bios_high[1],
2070 ha->nvram->bios_high[2], ha->nvram->bios_high[3],
2071 ha->nvram->bios_low[0], ha->nvram->bios_low[1],
2072 ha->nvram->bios_low[2]);
1da177e4
LT		 2073
2074 } else {
aacce706
AV		 2075 seq_printf(m,
2076 "\tBIOS Version : %c%c%c%c%c%c%c%c\n",
2077 ha->nvram->bios_high[0], ha->nvram->bios_high[1],
2078 ha->nvram->bios_high[2], ha->nvram->bios_high[3],
2079 ha->nvram->bios_low[0], ha->nvram->bios_low[1],
2080 ha->nvram->bios_low[2], ha->nvram->bios_low[3]);
1da177e4
LT		 2081 }
2082
2083 }
2084
2085 if (ha->enq->CodeBlkVersion[7] == 0) {
aacce706
AV		 2086 seq_printf(m,
2087 "\tFirmware Version : %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]);
1da177e4 2092 } else {
aacce706
AV		 2093 seq_printf(m,
2094 "\tFirmware Version : %c%c%c%c%c%c%c%c\n",
2095 ha->enq->CodeBlkVersion[0], ha->enq->CodeBlkVersion[1],
2096 ha->enq->CodeBlkVersion[2], ha->enq->CodeBlkVersion[3],
2097 ha->enq->CodeBlkVersion[4], ha->enq->CodeBlkVersion[5],
2098 ha->enq->CodeBlkVersion[6], ha->enq->CodeBlkVersion[7]);
1da177e4
LT		 2099 }
2100
2101 if (ha->enq->BootBlkVersion[7] == 0) {
aacce706
AV		 2102 seq_printf(m,
2103 "\tBoot Block Version : %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]);
1da177e4 2108 } else {
aacce706
AV		 2109 seq_printf(m,
2110 "\tBoot Block Version : %c%c%c%c%c%c%c%c\n",
2111 ha->enq->BootBlkVersion[0], ha->enq->BootBlkVersion[1],
2112 ha->enq->BootBlkVersion[2], ha->enq->BootBlkVersion[3],
2113 ha->enq->BootBlkVersion[4], ha->enq->BootBlkVersion[5],
2114 ha->enq->BootBlkVersion[6], ha->enq->BootBlkVersion[7]);
1da177e4
LT		 2115 }
2116
aacce706 2117 seq_printf(m, "\tDriver Version : %s%s\n",
1da177e4
LT		 2118 IPS_VERSION_HIGH, IPS_VERSION_LOW);
2119
aacce706 2120 seq_printf(m, "\tDriver Build : %d\n",
1da177e4
LT		 2121 IPS_BUILD_IDENT);
2122
aacce706 2123 seq_printf(m, "\tMax Physical Devices : %d\n",
1da177e4 2124 ha->enq->ucMaxPhysicalDevices);
aacce706 2125 seq_printf(m, "\tMax Active Commands : %d\n",
1da177e4 2126 ha->max_cmds);
aacce706 2127 seq_printf(m, "\tCurrent Queued Commands : %d\n",
1da177e4 2128 ha->scb_waitlist.count);
aacce706 2129 seq_printf(m, "\tCurrent Active Commands : %d\n",
1da177e4 2130 ha->scb_activelist.count - ha->num_ioctl);
aacce706 2131 seq_printf(m, "\tCurrent Queued PT Commands : %d\n",
1da177e4 2132 ha->copp_waitlist.count);
aacce706 2133 seq_printf(m, "\tCurrent Active PT Commands : %d\n",
1da177e4
LT		 2134 ha->num_ioctl);
2135
f50332ff 2136 seq_putc(m, '\n');
1da177e4 2137
aacce706 2138 return 0;
1da177e4
LT		 2139}
2140
2141/****************************************************************************/
2142/* */
2143/* Routine Name: ips_identify_controller */
2144/* */
2145/* Routine Description: */
2146/* */
2147/* Identify this controller */
2148/* */
2149/****************************************************************************/
2150static void
2151ips_identify_controller(ips_ha_t * ha)
2152{
2153 METHOD_TRACE("ips_identify_controller", 1);
2154
8a694cc8 2155 switch (ha->pcidev->device) {
1da177e4 2156 case IPS_DEVICEID_COPPERHEAD:
8a694cc8 2157 if (ha->pcidev->revision <= IPS_REVID_SERVERAID) {
1da177e4 2158 ha->ad_type = IPS_ADTYPE_SERVERAID;
8a694cc8 2159 } else if (ha->pcidev->revision == IPS_REVID_SERVERAID2) {
1da177e4 2160 ha->ad_type = IPS_ADTYPE_SERVERAID2;
8a694cc8 2161 } else if (ha->pcidev->revision == IPS_REVID_NAVAJO) {
1da177e4 2162 ha->ad_type = IPS_ADTYPE_NAVAJO;
8a694cc8 2163 } else if ((ha->pcidev->revision == IPS_REVID_SERVERAID2)
1da177e4
LT		 2164 && (ha->slot_num == 0)) {
2165 ha->ad_type = IPS_ADTYPE_KIOWA;
8a694cc8
JG		 2166 } else if ((ha->pcidev->revision >= IPS_REVID_CLARINETP1) &&
2167 (ha->pcidev->revision <= IPS_REVID_CLARINETP3)) {
1da177e4
LT		 2168 if (ha->enq->ucMaxPhysicalDevices == 15)
2169 ha->ad_type = IPS_ADTYPE_SERVERAID3L;
2170 else
2171 ha->ad_type = IPS_ADTYPE_SERVERAID3;
8a694cc8
JG		 2172 } else if ((ha->pcidev->revision >= IPS_REVID_TROMBONE32) &&
2173 (ha->pcidev->revision <= IPS_REVID_TROMBONE64)) {
1da177e4
LT		 2174 ha->ad_type = IPS_ADTYPE_SERVERAID4H;
2175 }
2176 break;
2177
2178 case IPS_DEVICEID_MORPHEUS:
8a694cc8 2179 switch (ha->pcidev->subsystem_device) {
1da177e4
LT		 2180 case IPS_SUBDEVICEID_4L:
2181 ha->ad_type = IPS_ADTYPE_SERVERAID4L;
2182 break;
2183
2184 case IPS_SUBDEVICEID_4M:
2185 ha->ad_type = IPS_ADTYPE_SERVERAID4M;
2186 break;
2187
2188 case IPS_SUBDEVICEID_4MX:
2189 ha->ad_type = IPS_ADTYPE_SERVERAID4MX;
2190 break;
2191
2192 case IPS_SUBDEVICEID_4LX:
2193 ha->ad_type = IPS_ADTYPE_SERVERAID4LX;
2194 break;
2195
2196 case IPS_SUBDEVICEID_5I2:
2197 ha->ad_type = IPS_ADTYPE_SERVERAID5I2;
2198 break;
2199
2200 case IPS_SUBDEVICEID_5I1:
2201 ha->ad_type = IPS_ADTYPE_SERVERAID5I1;
2202 break;
2203 }
2204
2205 break;
2206
2207 case IPS_DEVICEID_MARCO:
8a694cc8 2208 switch (ha->pcidev->subsystem_device) {
1da177e4
LT		 2209 case IPS_SUBDEVICEID_6M:
2210 ha->ad_type = IPS_ADTYPE_SERVERAID6M;
2211 break;
2212 case IPS_SUBDEVICEID_6I:
2213 ha->ad_type = IPS_ADTYPE_SERVERAID6I;
2214 break;
2215 case IPS_SUBDEVICEID_7k:
2216 ha->ad_type = IPS_ADTYPE_SERVERAID7k;
2217 break;
2218 case IPS_SUBDEVICEID_7M:
2219 ha->ad_type = IPS_ADTYPE_SERVERAID7M;
2220 break;
2221 }
2222 break;
2223 }
2224}
2225
2226/****************************************************************************/
2227/* */
2228/* Routine Name: ips_get_bios_version */
2229/* */
2230/* Routine Description: */
2231/* */
2232/* Get the BIOS revision number */
2233/* */
2234/****************************************************************************/
2235static void
2236ips_get_bios_version(ips_ha_t * ha, int intr)
2237{
2238 ips_scb_t *scb;
2239 int ret;
2240 uint8_t major;
2241 uint8_t minor;
2242 uint8_t subminor;
2243 uint8_t *buffer;
1da177e4
LT		 2244
2245 METHOD_TRACE("ips_get_bios_version", 1);
2246
2247 major = 0;
2248 minor = 0;
2249
2250 strncpy(ha->bios_version, " ?", 8);
2251
8a694cc8 2252 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD) {
1da177e4
LT		 2253 if (IPS_USE_MEMIO(ha)) {
2254 /* Memory Mapped I/O */
2255
2256 /* test 1st byte */
2257 writel(0, 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) != 0x55)
2262 return;
2263
2264 writel(1, ha->mem_ptr + IPS_REG_FLAP);
8a694cc8 2265 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 2266 udelay(25); /* 25 us */
2267
2268 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA)
2269 return;
2270
2271 /* Get Major version */
2272 writel(0x1FF, ha->mem_ptr + IPS_REG_FLAP);
8a694cc8 2273 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 2274 udelay(25); /* 25 us */
2275
2276 major = readb(ha->mem_ptr + IPS_REG_FLDP);
2277
2278 /* Get Minor version */
2279 writel(0x1FE, ha->mem_ptr + IPS_REG_FLAP);
8a694cc8 2280 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 2281 udelay(25); /* 25 us */
2282 minor = readb(ha->mem_ptr + IPS_REG_FLDP);
2283
2284 /* Get SubMinor version */
2285 writel(0x1FD, ha->mem_ptr + IPS_REG_FLAP);
8a694cc8 2286 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 2287 udelay(25); /* 25 us */
2288 subminor = readb(ha->mem_ptr + IPS_REG_FLDP);
2289
2290 } else {
2291 /* Programmed I/O */
2292
2293 /* test 1st byte */
2294 outl(0, 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) != 0x55)
2299 return;
2300
db3cc200 2301 outl(1, ha->io_addr + IPS_REG_FLAP);
8a694cc8 2302 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 2303 udelay(25); /* 25 us */
2304
2305 if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA)
2306 return;
2307
2308 /* Get Major version */
db3cc200 2309 outl(0x1FF, ha->io_addr + IPS_REG_FLAP);
8a694cc8 2310 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 2311 udelay(25); /* 25 us */
2312
2313 major = inb(ha->io_addr + IPS_REG_FLDP);
2314
2315 /* Get Minor version */
db3cc200 2316 outl(0x1FE, ha->io_addr + IPS_REG_FLAP);
8a694cc8 2317 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 2318 udelay(25); /* 25 us */
2319
2320 minor = inb(ha->io_addr + IPS_REG_FLDP);
2321
2322 /* Get SubMinor version */
db3cc200 2323 outl(0x1FD, ha->io_addr + IPS_REG_FLAP);
8a694cc8 2324 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 2325 udelay(25); /* 25 us */
2326
2327 subminor = inb(ha->io_addr + IPS_REG_FLDP);
2328
2329 }
2330 } else {
2331 /* Morpheus Family - Send Command to the card */
2332
2333 buffer = ha->ioctl_data;
2334
2335 memset(buffer, 0, 0x1000);
2336
2337 scb = &ha->scbs[ha->max_cmds - 1];
2338
2339 ips_init_scb(ha, scb);
2340
2341 scb->timeout = ips_cmd_timeout;
2342 scb->cdb[0] = IPS_CMD_RW_BIOSFW;
2343
2344 scb->cmd.flashfw.op_code = IPS_CMD_RW_BIOSFW;
2345 scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb);
2346 scb->cmd.flashfw.type = 1;
2347 scb->cmd.flashfw.direction = 0;
2348 scb->cmd.flashfw.count = cpu_to_le32(0x800);
2349 scb->cmd.flashfw.total_packets = 1;
2350 scb->cmd.flashfw.packet_num = 0;
2351 scb->data_len = 0x1000;
2352 scb->cmd.flashfw.buffer_addr = ha->ioctl_busaddr;
2353
2354 /* issue the command */
2355 if (((ret =
2356 ips_send_wait(ha, scb, ips_cmd_timeout,
2357 intr)) == IPS_FAILURE)
2358 || (ret == IPS_SUCCESS_IMM)
2359 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) {
2360 /* Error occurred */
2361
2362 return;
2363 }
2364
2365 if ((buffer[0xC0] == 0x55) && (buffer[0xC1] == 0xAA)) {
2366 major = buffer[0x1ff + 0xC0]; /* Offset 0x1ff after the header (0xc0) */
2367 minor = buffer[0x1fe + 0xC0]; /* Offset 0x1fe after the header (0xc0) */
2368 subminor = buffer[0x1fd + 0xC0]; /* Offset 0x1fd after the header (0xc0) */
2369 } else {
2370 return;
2371 }
2372 }
2373
1bc50455 2374 ha->bios_version[0] = hex_asc_upper_hi(major);
1da177e4 2375 ha->bios_version[1] = '.';
1bc50455
AS		 2376 ha->bios_version[2] = hex_asc_upper_lo(major);
2377 ha->bios_version[3] = hex_asc_upper_lo(subminor);
1da177e4 2378 ha->bios_version[4] = '.';
1bc50455
AS		 2379 ha->bios_version[5] = hex_asc_upper_hi(minor);
2380 ha->bios_version[6] = hex_asc_upper_lo(minor);
1da177e4
LT		 2381 ha->bios_version[7] = 0;
2382}
2383
2384/****************************************************************************/
2385/* */
2386/* Routine Name: ips_hainit */
2387/* */
2388/* Routine Description: */
2389/* */
2390/* Initialize the controller */
2391/* */
2392/* NOTE: Assumes to be called from with a lock */
2393/* */
2394/****************************************************************************/
2395static int
2396ips_hainit(ips_ha_t * ha)
2397{
2398 int i;
2399 struct timeval tv;
2400
2401 METHOD_TRACE("ips_hainit", 1);
2402
2403 if (!ha)
2404 return (0);
2405
2406 if (ha->func.statinit)
2407 (*ha->func.statinit) (ha);
2408
2409 if (ha->func.enableint)
2410 (*ha->func.enableint) (ha);
2411
2412 /* Send FFDC */
2413 ha->reset_count = 1;
2414 do_gettimeofday(&tv);
2415 ha->last_ffdc = tv.tv_sec;
2416 ips_ffdc_reset(ha, IPS_INTR_IORL);
2417
2418 if (!ips_read_config(ha, IPS_INTR_IORL)) {
2419 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2420 "unable to read config from controller.\n");
2421
2422 return (0);
2423 }
2424 /* end if */
2425 if (!ips_read_adapter_status(ha, IPS_INTR_IORL)) {
2426 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2427 "unable to read controller status.\n");
2428
2429 return (0);
2430 }
2431
2432 /* Identify this controller */
2433 ips_identify_controller(ha);
2434
2435 if (!ips_read_subsystem_parameters(ha, IPS_INTR_IORL)) {
2436 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2437 "unable to read subsystem parameters.\n");
2438
2439 return (0);
2440 }
2441
2442 /* write nvram user page 5 */
2443 if (!ips_write_driver_status(ha, IPS_INTR_IORL)) {
2444 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2445 "unable to write driver info to controller.\n");
2446
2447 return (0);
2448 }
2449
2450 /* If there are Logical Drives and a Reset Occurred, then an EraseStripeLock is Needed */
2451 if ((ha->conf->ucLogDriveCount > 0) && (ha->requires_esl == 1))
2452 ips_clear_adapter(ha, IPS_INTR_IORL);
2453
2454 /* set limits on SID, LUN, BUS */
2455 ha->ntargets = IPS_MAX_TARGETS + 1;
2456 ha->nlun = 1;
2457 ha->nbus = (ha->enq->ucMaxPhysicalDevices / IPS_MAX_TARGETS) + 1;
2458
2459 switch (ha->conf->logical_drive[0].ucStripeSize) {
2460 case 4:
2461 ha->max_xfer = 0x10000;
2462 break;
2463
2464 case 5:
2465 ha->max_xfer = 0x20000;
2466 break;
2467
2468 case 6:
2469 ha->max_xfer = 0x40000;
2470 break;
2471
2472 case 7:
2473 default:
2474 ha->max_xfer = 0x80000;
2475 break;
2476 }
2477
2478 /* setup max concurrent commands */
2479 if (le32_to_cpu(ha->subsys->param[4]) & 0x1) {
2480 /* Use the new method */
2481 ha->max_cmds = ha->enq->ucConcurrentCmdCount;
2482 } else {
2483 /* use the old method */
2484 switch (ha->conf->logical_drive[0].ucStripeSize) {
2485 case 4:
2486 ha->max_cmds = 32;
2487 break;
2488
2489 case 5:
2490 ha->max_cmds = 16;
2491 break;
2492
2493 case 6:
2494 ha->max_cmds = 8;
2495 break;
2496
2497 case 7:
2498 default:
2499 ha->max_cmds = 4;
2500 break;
2501 }
2502 }
2503
2504 /* Limit the Active Commands on a Lite Adapter */
2505 if ((ha->ad_type == IPS_ADTYPE_SERVERAID3L) ||
2506 (ha->ad_type == IPS_ADTYPE_SERVERAID4L) ||
2507 (ha->ad_type == IPS_ADTYPE_SERVERAID4LX)) {
2508 if ((ha->max_cmds > MaxLiteCmds) && (MaxLiteCmds))
2509 ha->max_cmds = MaxLiteCmds;
2510 }
2511
2512 /* set controller IDs */
2513 ha->ha_id[0] = IPS_ADAPTER_ID;
2514 for (i = 1; i < ha->nbus; i++) {
2515 ha->ha_id[i] = ha->conf->init_id[i - 1] & 0x1f;
2516 ha->dcdb_active[i - 1] = 0;
2517 }
2518
2519 return (1);
2520}
2521
2522/****************************************************************************/
2523/* */
2524/* Routine Name: ips_next */
2525/* */
2526/* Routine Description: */
2527/* */
2528/* Take the next command off the queue and send it to the controller */
2529/* */
2530/****************************************************************************/
2531static void
2532ips_next(ips_ha_t * ha, int intr)
2533{
2534 ips_scb_t *scb;
1516b55d
HK		 2535 struct scsi_cmnd *SC;
2536 struct scsi_cmnd *p;
2537 struct scsi_cmnd *q;
1da177e4
LT		 2538 ips_copp_wait_item_t *item;
2539 int ret;
1da177e4
LT		 2540 struct Scsi_Host *host;
2541 METHOD_TRACE("ips_next", 1);
2542
2543 if (!ha)
2544 return;
2545 host = ips_sh[ha->host_num];
2546 /*
2547 * Block access to the queue function so
2548 * this command won't time out
2549 */
2550 if (intr == IPS_INTR_ON)
c6a6c81c 2551 spin_lock(host->host_lock);
1da177e4
LT		 2552
2553 if ((ha->subsys->param[3] & 0x300000)
2554 && (ha->scb_activelist.count == 0)) {
2555 struct timeval tv;
2556
2557 do_gettimeofday(&tv);
2558
2559 if (tv.tv_sec - ha->last_ffdc > IPS_SECS_8HOURS) {
2560 ha->last_ffdc = tv.tv_sec;
2561 ips_ffdc_time(ha);
2562 }
2563 }
2564
2565 /*
2566 * Send passthru commands
2567 * These have priority over normal I/O
2568 * but shouldn't affect performance too much
2569 * since we limit the number that can be active
2570 * on the card at any one time
2571 */
2572 while ((ha->num_ioctl < IPS_MAX_IOCTL) &&
2573 (ha->copp_waitlist.head) && (scb = ips_getscb(ha))) {
2574
2575 item = ips_removeq_copp_head(&ha->copp_waitlist);
2576 ha->num_ioctl++;
2577 if (intr == IPS_INTR_ON)
c6a6c81c 2578 spin_unlock(host->host_lock);
1da177e4
LT		 2579 scb->scsi_cmd = item->scsi_cmd;
2580 kfree(item);
2581
2582 ret = ips_make_passthru(ha, scb->scsi_cmd, scb, intr);
2583
2584 if (intr == IPS_INTR_ON)
c6a6c81c 2585 spin_lock(host->host_lock);
1da177e4
LT		 2586 switch (ret) {
2587 case IPS_FAILURE:
2588 if (scb->scsi_cmd) {
2589 scb->scsi_cmd->result = DID_ERROR << 16;
2590 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2591 }
2592
2593 ips_freescb(ha, scb);
2594 break;
2595 case IPS_SUCCESS_IMM:
2596 if (scb->scsi_cmd) {
2597 scb->scsi_cmd->result = DID_OK << 16;
2598 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2599 }
2600
2601 ips_freescb(ha, scb);
2602 break;
2603 default:
2604 break;
2605 } /* end case */
2606
2607 if (ret != IPS_SUCCESS) {
2608 ha->num_ioctl--;
2609 continue;
2610 }
2611
2612 ret = ips_send_cmd(ha, scb);
2613
2614 if (ret == IPS_SUCCESS)
2615 ips_putq_scb_head(&ha->scb_activelist, scb);
2616 else
2617 ha->num_ioctl--;
2618
2619 switch (ret) {
2620 case IPS_FAILURE:
2621 if (scb->scsi_cmd) {
2622 scb->scsi_cmd->result = DID_ERROR << 16;
2623 }
2624
2625 ips_freescb(ha, scb);
2626 break;
2627 case IPS_SUCCESS_IMM:
2628 ips_freescb(ha, scb);
2629 break;
2630 default:
2631 break;
2632 } /* end case */
2633
2634 }
2635
2636 /*
2637 * Send "Normal" I/O commands
2638 */
2639
2640 p = ha->scb_waitlist.head;
2641 while ((p) && (scb = ips_getscb(ha))) {
422c0d61 2642 if ((scmd_channel(p) > 0)
1da177e4 2643 && (ha->
422c0d61
JG		 2644 dcdb_active[scmd_channel(p) -
2645 1] & (1 << scmd_id(p)))) {
1da177e4 2646 ips_freescb(ha, scb);
1516b55d 2647 p = (struct scsi_cmnd *) p->host_scribble;
1da177e4
LT		 2648 continue;
2649 }
2650
2651 q = p;
2652 SC = ips_removeq_wait(&ha->scb_waitlist, q);
2653
2654 if (intr == IPS_INTR_ON)
c6a6c81c 2655 spin_unlock(host->host_lock); /* Unlock HA after command is taken off queue */
1da177e4
LT		 2656
2657 SC->result = DID_OK;
2658 SC->host_scribble = NULL;
2659
1da177e4
LT		 2660 scb->target_id = SC->device->id;
2661 scb->lun = SC->device->lun;
2662 scb->bus = SC->device->channel;
2663 scb->scsi_cmd = SC;
2664 scb->breakup = 0;
2665 scb->data_len = 0;
2666 scb->callback = ipsintr_done;
2667 scb->timeout = ips_cmd_timeout;
2668 memset(&scb->cmd, 0, 16);
2669
2670 /* copy in the CDB */
2671 memcpy(scb->cdb, SC->cmnd, SC->cmd_len);
2672
2f4cf91c
FT		 2673 scb->sg_count = scsi_dma_map(SC);
2674 BUG_ON(scb->sg_count < 0);
2675 if (scb->sg_count) {
1da177e4
LT		 2676 struct scatterlist *sg;
2677 int i;
2678
1da177e4 2679 scb->flags |= IPS_SCB_MAP_SG;
2f4cf91c
FT		 2680
2681 scsi_for_each_sg(SC, sg, scb->sg_count, i) {
1da177e4 2682 if (ips_fill_scb_sg_single
2f4cf91c
FT		 2683 (ha, sg_dma_address(sg), scb, i,
2684 sg_dma_len(sg)) < 0)
1da177e4
LT		 2685 break;
2686 }
2687 scb->dcdb.transfer_length = scb->data_len;
2688 } else {
2f4cf91c
FT		 2689 scb->data_busaddr = 0L;
2690 scb->sg_len = 0;
2691 scb->data_len = 0;
2692 scb->dcdb.transfer_length = 0;
1da177e4
LT		 2693 }
2694
2695 scb->dcdb.cmd_attribute =
2696 ips_command_direction[scb->scsi_cmd->cmnd[0]];
2697
2f277d6a
JG		 2698 /* Allow a WRITE BUFFER Command to Have no Data */
2699 /* This is Used by Tape Flash Utilites */
2700 if ((scb->scsi_cmd->cmnd[0] == WRITE_BUFFER) &&
2701 (scb->data_len == 0))
2702 scb->dcdb.cmd_attribute = 0;
1da177e4
LT		 2703
2704 if (!(scb->dcdb.cmd_attribute & 0x3))
2705 scb->dcdb.transfer_length = 0;
2706
2707 if (scb->data_len >= IPS_MAX_XFER) {
2708 scb->dcdb.cmd_attribute |= IPS_TRANSFER64K;
2709 scb->dcdb.transfer_length = 0;
2710 }
2711 if (intr == IPS_INTR_ON)
c6a6c81c 2712 spin_lock(host->host_lock);
1da177e4
LT		 2713
2714 ret = ips_send_cmd(ha, scb);
2715
2716 switch (ret) {
2717 case IPS_SUCCESS:
2718 ips_putq_scb_head(&ha->scb_activelist, scb);
2719 break;
2720 case IPS_FAILURE:
2721 if (scb->scsi_cmd) {
2722 scb->scsi_cmd->result = DID_ERROR << 16;
2723 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2724 }
2725
2726 if (scb->bus)
2727 ha->dcdb_active[scb->bus - 1] &=
2728 ~(1 << scb->target_id);
2729
2730 ips_freescb(ha, scb);
2731 break;
2732 case IPS_SUCCESS_IMM:
2733 if (scb->scsi_cmd)
2734 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2735
2736 if (scb->bus)
2737 ha->dcdb_active[scb->bus - 1] &=
2738 ~(1 << scb->target_id);
2739
2740 ips_freescb(ha, scb);
2741 break;
2742 default:
2743 break;
2744 } /* end case */
2745
1516b55d 2746 p = (struct scsi_cmnd *) p->host_scribble;
1da177e4
LT		 2747
2748 } /* end while */
2749
2750 if (intr == IPS_INTR_ON)
c6a6c81c 2751 spin_unlock(host->host_lock);
1da177e4
LT		 2752}
2753
2754/****************************************************************************/
2755/* */
2756/* Routine Name: ips_putq_scb_head */
2757/* */
2758/* Routine Description: */
2759/* */
2760/* Add an item to the head of the queue */
2761/* */
2762/* ASSUMED to be called from within the HA lock */
2763/* */
2764/****************************************************************************/
2765static void
2766ips_putq_scb_head(ips_scb_queue_t * queue, ips_scb_t * item)
2767{
2768 METHOD_TRACE("ips_putq_scb_head", 1);
2769
2770 if (!item)
2771 return;
2772
2773 item->q_next = queue->head;
2774 queue->head = item;
2775
2776 if (!queue->tail)
2777 queue->tail = item;
2778
2779 queue->count++;
2780}
2781
2782/****************************************************************************/
2783/* */
2784/* Routine Name: ips_removeq_scb_head */
2785/* */
2786/* Routine Description: */
2787/* */
2788/* Remove the head of the queue */
2789/* */
2790/* ASSUMED to be called from within the HA lock */
2791/* */
2792/****************************************************************************/
2793static ips_scb_t *
2794ips_removeq_scb_head(ips_scb_queue_t * queue)
2795{
2796 ips_scb_t *item;
2797
2798 METHOD_TRACE("ips_removeq_scb_head", 1);
2799
2800 item = queue->head;
2801
2802 if (!item) {
2803 return (NULL);
2804 }
2805
2806 queue->head = item->q_next;
2807 item->q_next = NULL;
2808
2809 if (queue->tail == item)
2810 queue->tail = NULL;
2811
2812 queue->count--;
2813
2814 return (item);
2815}
2816
2817/****************************************************************************/
2818/* */
2819/* Routine Name: ips_removeq_scb */
2820/* */
2821/* Routine Description: */
2822/* */
2823/* Remove an item from a queue */
2824/* */
2825/* ASSUMED to be called from within the HA lock */
2826/* */
2827/****************************************************************************/
2828static ips_scb_t *
2829ips_removeq_scb(ips_scb_queue_t * queue, ips_scb_t * item)
2830{
2831 ips_scb_t *p;
2832
2833 METHOD_TRACE("ips_removeq_scb", 1);
2834
2835 if (!item)
2836 return (NULL);
2837
2838 if (item == queue->head) {
2839 return (ips_removeq_scb_head(queue));
2840 }
2841
2842 p = queue->head;
2843
2844 while ((p) && (item != p->q_next))
2845 p = p->q_next;
2846
2847 if (p) {
2848 /* found a match */
2849 p->q_next = item->q_next;
2850
2851 if (!item->q_next)
2852 queue->tail = p;
2853
2854 item->q_next = NULL;
2855 queue->count--;
2856
2857 return (item);
2858 }
2859
2860 return (NULL);
2861}
2862
2863/****************************************************************************/
2864/* */
2865/* Routine Name: ips_putq_wait_tail */
2866/* */
2867/* Routine Description: */
2868/* */
2869/* Add an item to the tail of the queue */
2870/* */
2871/* ASSUMED to be called from within the HA lock */
2872/* */
2873/****************************************************************************/
ac6424b9 2874static void ips_putq_wait_tail(ips_wait_queue_entry_t *queue, struct scsi_cmnd *item)
1da177e4
LT		 2875{
2876 METHOD_TRACE("ips_putq_wait_tail", 1);
2877
2878 if (!item)
2879 return;
2880
2881 item->host_scribble = NULL;
2882
2883 if (queue->tail)
2884 queue->tail->host_scribble = (char *) item;
2885
2886 queue->tail = item;
2887
2888 if (!queue->head)
2889 queue->head = item;
2890
2891 queue->count++;
2892}
2893
2894/****************************************************************************/
2895/* */
2896/* Routine Name: ips_removeq_wait_head */
2897/* */
2898/* Routine Description: */
2899/* */
2900/* Remove the head of the queue */
2901/* */
2902/* ASSUMED to be called from within the HA lock */
2903/* */
2904/****************************************************************************/
ac6424b9 2905static struct scsi_cmnd *ips_removeq_wait_head(ips_wait_queue_entry_t *queue)
1da177e4 2906{
1516b55d 2907 struct scsi_cmnd *item;
1da177e4
LT		 2908
2909 METHOD_TRACE("ips_removeq_wait_head", 1);
2910
2911 item = queue->head;
2912
2913 if (!item) {
2914 return (NULL);
2915 }
2916
1516b55d 2917 queue->head = (struct scsi_cmnd *) item->host_scribble;
1da177e4
LT		 2918 item->host_scribble = NULL;
2919
2920 if (queue->tail == item)
2921 queue->tail = NULL;
2922
2923 queue->count--;
2924
2925 return (item);
2926}
2927
2928/****************************************************************************/
2929/* */
2930/* Routine Name: ips_removeq_wait */
2931/* */
2932/* Routine Description: */
2933/* */
2934/* Remove an item from a queue */
2935/* */
2936/* ASSUMED to be called from within the HA lock */
2937/* */
2938/****************************************************************************/
ac6424b9 2939static struct scsi_cmnd *ips_removeq_wait(ips_wait_queue_entry_t *queue,
1516b55d 2940 struct scsi_cmnd *item)
1da177e4 2941{
1516b55d 2942 struct scsi_cmnd *p;
1da177e4
LT		 2943
2944 METHOD_TRACE("ips_removeq_wait", 1);
2945
2946 if (!item)
2947 return (NULL);
2948
2949 if (item == queue->head) {
2950 return (ips_removeq_wait_head(queue));
2951 }
2952
2953 p = queue->head;
2954
1516b55d
HK		 2955 while ((p) && (item != (struct scsi_cmnd *) p->host_scribble))
2956 p = (struct scsi_cmnd *) p->host_scribble;
1da177e4
LT		 2957
2958 if (p) {
2959 /* found a match */
2960 p->host_scribble = item->host_scribble;
2961
2962 if (!item->host_scribble)
2963 queue->tail = p;
2964
2965 item->host_scribble = NULL;
2966 queue->count--;
2967
2968 return (item);
2969 }
2970
2971 return (NULL);
2972}
2973
2974/****************************************************************************/
2975/* */
2976/* Routine Name: ips_putq_copp_tail */
2977/* */
2978/* Routine Description: */
2979/* */
2980/* Add an item to the tail of the queue */
2981/* */
2982/* ASSUMED to be called from within the HA lock */
2983/* */
2984/****************************************************************************/
2985static void
2986ips_putq_copp_tail(ips_copp_queue_t * queue, ips_copp_wait_item_t * item)
2987{
2988 METHOD_TRACE("ips_putq_copp_tail", 1);
2989
2990 if (!item)
2991 return;
2992
2993 item->next = NULL;
2994
2995 if (queue->tail)
2996 queue->tail->next = item;
2997
2998 queue->tail = item;
2999
3000 if (!queue->head)
3001 queue->head = item;
3002
3003 queue->count++;
3004}
3005
3006/****************************************************************************/
3007/* */
3008/* Routine Name: ips_removeq_copp_head */
3009/* */
3010/* Routine Description: */
3011/* */
3012/* Remove the head of the queue */
3013/* */
3014/* ASSUMED to be called from within the HA lock */
3015/* */
3016/****************************************************************************/
3017static ips_copp_wait_item_t *
3018ips_removeq_copp_head(ips_copp_queue_t * queue)
3019{
3020 ips_copp_wait_item_t *item;
3021
3022 METHOD_TRACE("ips_removeq_copp_head", 1);
3023
3024 item = queue->head;
3025
3026 if (!item) {
3027 return (NULL);
3028 }
3029
3030 queue->head = item->next;
3031 item->next = NULL;
3032
3033 if (queue->tail == item)
3034 queue->tail = NULL;
3035
3036 queue->count--;
3037
3038 return (item);
3039}
3040
3041/****************************************************************************/
3042/* */
3043/* Routine Name: ips_removeq_copp */
3044/* */
3045/* Routine Description: */
3046/* */
3047/* Remove an item from a queue */
3048/* */
3049/* ASSUMED to be called from within the HA lock */
3050/* */
3051/****************************************************************************/
3052static ips_copp_wait_item_t *
3053ips_removeq_copp(ips_copp_queue_t * queue, ips_copp_wait_item_t * item)
3054{
3055 ips_copp_wait_item_t *p;
3056
3057 METHOD_TRACE("ips_removeq_copp", 1);
3058
3059 if (!item)
3060 return (NULL);
3061
3062 if (item == queue->head) {
3063 return (ips_removeq_copp_head(queue));
3064 }
3065
3066 p = queue->head;
3067
3068 while ((p) && (item != p->next))
3069 p = p->next;
3070
3071 if (p) {
3072 /* found a match */
3073 p->next = item->next;
3074
3075 if (!item->next)
3076 queue->tail = p;
3077
3078 item->next = NULL;
3079 queue->count--;
3080
3081 return (item);
3082 }
3083
3084 return (NULL);
3085}
3086
3087/****************************************************************************/
3088/* */
3089/* Routine Name: ipsintr_blocking */
3090/* */
3091/* Routine Description: */
3092/* */
3093/* Finalize an interrupt for internal commands */
3094/* */
3095/****************************************************************************/
3096static void
3097ipsintr_blocking(ips_ha_t * ha, ips_scb_t * scb)
3098{
3099 METHOD_TRACE("ipsintr_blocking", 2);
3100
3101 ips_freescb(ha, scb);
3102 if ((ha->waitflag == TRUE) && (ha->cmd_in_progress == scb->cdb[0])) {
3103 ha->waitflag = FALSE;
3104
3105 return;
3106 }
3107}
3108
3109/****************************************************************************/
3110/* */
3111/* Routine Name: ipsintr_done */
3112/* */
3113/* Routine Description: */
3114/* */
3115/* Finalize an interrupt for non-internal commands */
3116/* */
3117/****************************************************************************/
3118static void
3119ipsintr_done(ips_ha_t * ha, ips_scb_t * scb)
3120{
3121 METHOD_TRACE("ipsintr_done", 2);
3122
3123 if (!scb) {
3124 IPS_PRINTK(KERN_WARNING, ha->pcidev,
3125 "Spurious interrupt; scb NULL.\n");
3126
3127 return;
3128 }
3129
3130 if (scb->scsi_cmd == NULL) {
3131 /* unexpected interrupt */
3132 IPS_PRINTK(KERN_WARNING, ha->pcidev,
3133 "Spurious interrupt; scsi_cmd not set.\n");
3134
3135 return;
3136 }
3137
3138 ips_done(ha, scb);
3139}
3140
3141/****************************************************************************/
3142/* */
3143/* Routine Name: ips_done */
3144/* */
3145/* Routine Description: */
3146/* */
3147/* Do housekeeping on completed commands */
3148/* ASSUMED to be called form within the request lock */
3149/****************************************************************************/
3150static void
3151ips_done(ips_ha_t * ha, ips_scb_t * scb)
3152{
3153 int ret;
3154
3155 METHOD_TRACE("ips_done", 1);
3156
3157 if (!scb)
3158 return;
3159
3160 if ((scb->scsi_cmd) && (ips_is_passthru(scb->scsi_cmd))) {
3161 ips_cleanup_passthru(ha, scb);
3162 ha->num_ioctl--;
3163 } else {
3164 /*
3165 * Check to see if this command had too much
3166 * data and had to be broke up. If so, queue
3167 * the rest of the data and continue.
3168 */
3169 if ((scb->breakup) || (scb->sg_break)) {
2f4cf91c 3170 struct scatterlist *sg;
e0eaf888 3171 int i, sg_dma_index, ips_sg_index = 0;
2f4cf91c 3172
1da177e4
LT		 3173 /* we had a data breakup */
3174 scb->data_len = 0;
3175
2f4cf91c 3176 sg = scsi_sglist(scb->scsi_cmd);
1da177e4 3177
2f4cf91c
FT		 3178 /* Spin forward to last dma chunk */
3179 sg_dma_index = scb->breakup;
e0eaf888
FT		 3180 for (i = 0; i < scb->breakup; i++)
3181 sg = sg_next(sg);
1da177e4 3182
2f4cf91c
FT		 3183 /* Take care of possible partial on last chunk */
3184 ips_fill_scb_sg_single(ha,
e0eaf888 3185 sg_dma_address(sg),
2f4cf91c 3186 scb, ips_sg_index++,
e0eaf888 3187 sg_dma_len(sg));
2f4cf91c
FT		 3188
3189 for (; sg_dma_index < scsi_sg_count(scb->scsi_cmd);
e0eaf888 3190 sg_dma_index++, sg = sg_next(sg)) {
2f4cf91c
FT		 3191 if (ips_fill_scb_sg_single
3192 (ha,
e0eaf888 3193 sg_dma_address(sg),
2f4cf91c 3194 scb, ips_sg_index++,
e0eaf888 3195 sg_dma_len(sg)) < 0)
2f4cf91c
FT		 3196 break;
3197 }
1da177e4
LT		 3198
3199 scb->dcdb.transfer_length = scb->data_len;
3200 scb->dcdb.cmd_attribute |=
3201 ips_command_direction[scb->scsi_cmd->cmnd[0]];
3202
3203 if (!(scb->dcdb.cmd_attribute & 0x3))
3204 scb->dcdb.transfer_length = 0;
3205
3206 if (scb->data_len >= IPS_MAX_XFER) {
3207 scb->dcdb.cmd_attribute |= IPS_TRANSFER64K;
3208 scb->dcdb.transfer_length = 0;
3209 }
3210
3211 ret = ips_send_cmd(ha, scb);
3212
3213 switch (ret) {
3214 case IPS_FAILURE:
3215 if (scb->scsi_cmd) {
3216 scb->scsi_cmd->result = DID_ERROR << 16;
3217 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3218 }
3219
3220 ips_freescb(ha, scb);
3221 break;
3222 case IPS_SUCCESS_IMM:
3223 if (scb->scsi_cmd) {
3224 scb->scsi_cmd->result = DID_ERROR << 16;
3225 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3226 }
3227
3228 ips_freescb(ha, scb);
3229 break;
3230 default:
3231 break;
3232 } /* end case */
3233
3234 return;
3235 }
3236 } /* end if passthru */
3237
3238 if (scb->bus) {
3239 ha->dcdb_active[scb->bus - 1] &= ~(1 << scb->target_id);
3240 }
3241
3242 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3243
3244 ips_freescb(ha, scb);
3245}
3246
3247/****************************************************************************/
3248/* */
3249/* Routine Name: ips_map_status */
3250/* */
3251/* Routine Description: */
3252/* */
3253/* Map Controller Error codes to Linux Error Codes */
3254/* */
3255/****************************************************************************/
3256static int
3257ips_map_status(ips_ha_t * ha, ips_scb_t * scb, ips_stat_t * sp)
3258{
3259 int errcode;
3260 int device_error;
3261 uint32_t transfer_len;
3262 IPS_DCDB_TABLE_TAPE *tapeDCDB;
a5b3c86e 3263 IPS_SCSI_INQ_DATA inquiryData;
1da177e4
LT		 3264
3265 METHOD_TRACE("ips_map_status", 1);
3266
3267 if (scb->bus) {
3268 DEBUG_VAR(2,
3269 "(%s%d) Physical device error (%d %d %d): %x %x, Sense Key: %x, ASC: %x, ASCQ: %x",
3270 ips_name, ha->host_num,
3271 scb->scsi_cmd->device->channel,
3272 scb->scsi_cmd->device->id, scb->scsi_cmd->device->lun,
3273 scb->basic_status, scb->extended_status,
3274 scb->extended_status ==
3275 IPS_ERR_CKCOND ? scb->dcdb.sense_info[2] & 0xf : 0,
3276 scb->extended_status ==
3277 IPS_ERR_CKCOND ? scb->dcdb.sense_info[12] : 0,
3278 scb->extended_status ==
3279 IPS_ERR_CKCOND ? scb->dcdb.sense_info[13] : 0);
3280 }
3281
3282 /* default driver error */
3283 errcode = DID_ERROR;
3284 device_error = 0;
3285
3286 switch (scb->basic_status & IPS_GSC_STATUS_MASK) {
3287 case IPS_CMD_TIMEOUT:
3288 errcode = DID_TIME_OUT;
3289 break;
3290
3291 case IPS_INVAL_OPCO:
3292 case IPS_INVAL_CMD_BLK:
3293 case IPS_INVAL_PARM_BLK:
3294 case IPS_LD_ERROR:
3295 case IPS_CMD_CMPLT_WERROR:
3296 break;
3297
3298 case IPS_PHYS_DRV_ERROR:
3299 switch (scb->extended_status) {
3300 case IPS_ERR_SEL_TO:
3301 if (scb->bus)
3302 errcode = DID_NO_CONNECT;
3303
3304 break;
3305
3306 case IPS_ERR_OU_RUN:
3307 if ((scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB) ||
3308 (scb->cmd.dcdb.op_code ==
3309 IPS_CMD_EXTENDED_DCDB_SG)) {
3310 tapeDCDB = (IPS_DCDB_TABLE_TAPE *) & scb->dcdb;
3311 transfer_len = tapeDCDB->transfer_length;
3312 } else {
3313 transfer_len =
3314 (uint32_t) scb->dcdb.transfer_length;
3315 }
3316
3317 if ((scb->bus) && (transfer_len < scb->data_len)) {
3318 /* Underrun - set default to no error */
3319 errcode = DID_OK;
3320
3321 /* Restrict access to physical DASD */
a5b3c86e 3322 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
2f277d6a 3323 ips_scmd_buf_read(scb->scsi_cmd,
a5b3c86e
JH		 3324 &inquiryData, sizeof (inquiryData));
3325 if ((inquiryData.DeviceType & 0x1f) == TYPE_DISK) {
3326 errcode = DID_TIME_OUT;
3327 break;
3328 }
1da177e4
LT		 3329 }
3330 } else
3331 errcode = DID_ERROR;
3332
3333 break;
3334
3335 case IPS_ERR_RECOVERY:
3336 /* don't fail recovered errors */
3337 if (scb->bus)
3338 errcode = DID_OK;
3339
3340 break;
3341
3342 case IPS_ERR_HOST_RESET:
3343 case IPS_ERR_DEV_RESET:
3344 errcode = DID_RESET;
3345 break;
3346
3347 case IPS_ERR_CKCOND:
3348 if (scb->bus) {
3349 if ((scb->cmd.dcdb.op_code ==
3350 IPS_CMD_EXTENDED_DCDB)
3351 || (scb->cmd.dcdb.op_code ==
3352 IPS_CMD_EXTENDED_DCDB_SG)) {
3353 tapeDCDB =
3354 (IPS_DCDB_TABLE_TAPE *) & scb->dcdb;
3355 memcpy(scb->scsi_cmd->sense_buffer,
3356 tapeDCDB->sense_info,
b80ca4f7 3357 SCSI_SENSE_BUFFERSIZE);
1da177e4
LT		 3358 } else {
3359 memcpy(scb->scsi_cmd->sense_buffer,
3360 scb->dcdb.sense_info,
b80ca4f7 3361 SCSI_SENSE_BUFFERSIZE);
1da177e4
LT		 3362 }
3363 device_error = 2; /* check condition */
3364 }
3365
3366 errcode = DID_OK;
3367
3368 break;
3369
3370 default:
3371 errcode = DID_ERROR;
3372 break;
3373
3374 } /* end switch */
3375 } /* end switch */
3376
3377 scb->scsi_cmd->result = device_error | (errcode << 16);
3378
3379 return (1);
3380}
3381
3382/****************************************************************************/
3383/* */
3384/* Routine Name: ips_send_wait */
3385/* */
3386/* Routine Description: */
3387/* */
3388/* Send a command to the controller and wait for it to return */
3389/* */
3390/* The FFDC Time Stamp use this function for the callback, but doesn't */
3391/* actually need to wait. */
3392/****************************************************************************/
3393static int
3394ips_send_wait(ips_ha_t * ha, ips_scb_t * scb, int timeout, int intr)
3395{
3396 int ret;
3397
3398 METHOD_TRACE("ips_send_wait", 1);
3399
3400 if (intr != IPS_FFDC) { /* Won't be Waiting if this is a Time Stamp */
3401 ha->waitflag = TRUE;
3402 ha->cmd_in_progress = scb->cdb[0];
3403 }
3404 scb->callback = ipsintr_blocking;
3405 ret = ips_send_cmd(ha, scb);
3406
3407 if ((ret == IPS_FAILURE) || (ret == IPS_SUCCESS_IMM))
3408 return (ret);
3409
3410 if (intr != IPS_FFDC) /* Don't Wait around if this is a Time Stamp */
3411 ret = ips_wait(ha, timeout, intr);
3412
3413 return (ret);
3414}
3415
3416/****************************************************************************/
3417/* */
3418/* Routine Name: ips_scmd_buf_write */
3419/* */
3420/* Routine Description: */
1516b55d 3421/* Write data to struct scsi_cmnd request_buffer at proper offsets */
1da177e4
LT		 3422/****************************************************************************/
3423static void
1516b55d 3424ips_scmd_buf_write(struct scsi_cmnd *scmd, void *data, unsigned int count)
1da177e4 3425{
6690bae7 3426 unsigned long flags;
2f4cf91c 3427
6690bae7
FT		 3428 local_irq_save(flags);
3429 scsi_sg_copy_from_buffer(scmd, data, count);
3430 local_irq_restore(flags);
1da177e4
LT		 3431}
3432
3433/****************************************************************************/
3434/* */
3435/* Routine Name: ips_scmd_buf_read */
3436/* */
3437/* Routine Description: */
1516b55d 3438/* Copy data from a struct scsi_cmnd to a new, linear buffer */
1da177e4
LT		 3439/****************************************************************************/
3440static void
1516b55d 3441ips_scmd_buf_read(struct scsi_cmnd *scmd, void *data, unsigned int count)
1da177e4 3442{
6690bae7 3443 unsigned long flags;
2f4cf91c 3444
6690bae7
FT		 3445 local_irq_save(flags);
3446 scsi_sg_copy_to_buffer(scmd, data, count);
3447 local_irq_restore(flags);
1da177e4
LT		 3448}
3449
3450/****************************************************************************/
3451/* */
3452/* Routine Name: ips_send_cmd */
3453/* */
3454/* Routine Description: */
3455/* */
3456/* Map SCSI commands to ServeRAID commands for logical drives */
3457/* */
3458/****************************************************************************/
3459static int
3460ips_send_cmd(ips_ha_t * ha, ips_scb_t * scb)
3461{
3462 int ret;
3463 char *sp;
3464 int device_error;
3465 IPS_DCDB_TABLE_TAPE *tapeDCDB;
3466 int TimeOut;
3467
3468 METHOD_TRACE("ips_send_cmd", 1);
3469
3470 ret = IPS_SUCCESS;
3471
3472 if (!scb->scsi_cmd) {
3473 /* internal command */
3474
3475 if (scb->bus > 0) {
3476 /* Controller commands can't be issued */
3477 /* to real devices -- fail them */
3478 if ((ha->waitflag == TRUE) &&
3479 (ha->cmd_in_progress == scb->cdb[0])) {
3480 ha->waitflag = FALSE;
3481 }
3482
3483 return (1);
3484 }
3485 } else if ((scb->bus == 0) && (!ips_is_passthru(scb->scsi_cmd))) {
3486 /* command to logical bus -- interpret */
3487 ret = IPS_SUCCESS_IMM;
3488
3489 switch (scb->scsi_cmd->cmnd[0]) {
3490 case ALLOW_MEDIUM_REMOVAL:
3491 case REZERO_UNIT:
3492 case ERASE:
3493 case WRITE_FILEMARKS:
3494 case SPACE:
3495 scb->scsi_cmd->result = DID_ERROR << 16;
3496 break;
3497
3498 case START_STOP:
3499 scb->scsi_cmd->result = DID_OK << 16;
3500
3501 case TEST_UNIT_READY:
3502 case INQUIRY:
3503 if (scb->target_id == IPS_ADAPTER_ID) {
3504 /*
3505 * Either we have a TUR
3506 * or we have a SCSI inquiry
3507 */
3508 if (scb->scsi_cmd->cmnd[0] == TEST_UNIT_READY)
3509 scb->scsi_cmd->result = DID_OK << 16;
3510
3511 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
3512 IPS_SCSI_INQ_DATA inquiry;
3513
3514 memset(&inquiry, 0,
3515 sizeof (IPS_SCSI_INQ_DATA));
3516
3517 inquiry.DeviceType =
3518 IPS_SCSI_INQ_TYPE_PROCESSOR;
3519 inquiry.DeviceTypeQualifier =
3520 IPS_SCSI_INQ_LU_CONNECTED;
3521 inquiry.Version = IPS_SCSI_INQ_REV2;
3522 inquiry.ResponseDataFormat =
3523 IPS_SCSI_INQ_RD_REV2;
3524 inquiry.AdditionalLength = 31;
3525 inquiry.Flags[0] =
3526 IPS_SCSI_INQ_Address16;
3527 inquiry.Flags[1] =
3528 IPS_SCSI_INQ_WBus16 |
3529 IPS_SCSI_INQ_Sync;
3530 strncpy(inquiry.VendorId, "IBM ",
3531 8);
3532 strncpy(inquiry.ProductId,
3533 "SERVERAID ", 16);
3534 strncpy(inquiry.ProductRevisionLevel,
3535 "1.00", 4);
3536
3537 ips_scmd_buf_write(scb->scsi_cmd,
3538 &inquiry,
3539 sizeof (inquiry));
3540
3541 scb->scsi_cmd->result = DID_OK << 16;
3542 }
3543 } else {
3544 scb->cmd.logical_info.op_code = IPS_CMD_GET_LD_INFO;
3545 scb->cmd.logical_info.command_id = IPS_COMMAND_ID(ha, scb);
3546 scb->cmd.logical_info.reserved = 0;
3547 scb->cmd.logical_info.reserved2 = 0;
3548 scb->data_len = sizeof (IPS_LD_INFO);
3549 scb->data_busaddr = ha->logical_drive_info_dma_addr;
3550 scb->flags = 0;
3551 scb->cmd.logical_info.buffer_addr = scb->data_busaddr;
3552 ret = IPS_SUCCESS;
3553 }
3554
3555 break;
3556
3557 case REQUEST_SENSE:
3558 ips_reqsen(ha, scb);
3559 scb->scsi_cmd->result = DID_OK << 16;
3560 break;
3561
3562 case READ_6:
3563 case WRITE_6:
3564 if (!scb->sg_len) {
3565 scb->cmd.basic_io.op_code =
3566 (scb->scsi_cmd->cmnd[0] ==
3567 READ_6) ? IPS_CMD_READ : IPS_CMD_WRITE;
3568 scb->cmd.basic_io.enhanced_sg = 0;
3569 scb->cmd.basic_io.sg_addr =
3570 cpu_to_le32(scb->data_busaddr);
3571 } else {
3572 scb->cmd.basic_io.op_code =
3573 (scb->scsi_cmd->cmnd[0] ==
3574 READ_6) ? IPS_CMD_READ_SG :
3575 IPS_CMD_WRITE_SG;
3576 scb->cmd.basic_io.enhanced_sg =
3577 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3578 scb->cmd.basic_io.sg_addr =
3579 cpu_to_le32(scb->sg_busaddr);
3580 }
3581
3582 scb->cmd.basic_io.segment_4G = 0;
3583 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3584 scb->cmd.basic_io.log_drv = scb->target_id;
3585 scb->cmd.basic_io.sg_count = scb->sg_len;
3586
3587 if (scb->cmd.basic_io.lba)
36b8dd1b 3588 le32_add_cpu(&scb->cmd.basic_io.lba,
1da177e4
LT		 3589 le16_to_cpu(scb->cmd.basic_io.
3590 sector_count));
3591 else
3592 scb->cmd.basic_io.lba =
3593 (((scb->scsi_cmd->
3594 cmnd[1] & 0x1f) << 16) | (scb->scsi_cmd->
3595 cmnd[2] << 8) |
3596 (scb->scsi_cmd->cmnd[3]));
3597
3598 scb->cmd.basic_io.sector_count =
3599 cpu_to_le16(scb->data_len / IPS_BLKSIZE);
3600
3601 if (le16_to_cpu(scb->cmd.basic_io.sector_count) == 0)
3602 scb->cmd.basic_io.sector_count =
3603 cpu_to_le16(256);
3604
3605 ret = IPS_SUCCESS;
3606 break;
3607
3608 case READ_10:
3609 case WRITE_10:
3610 if (!scb->sg_len) {
3611 scb->cmd.basic_io.op_code =
3612 (scb->scsi_cmd->cmnd[0] ==
3613 READ_10) ? IPS_CMD_READ : IPS_CMD_WRITE;
3614 scb->cmd.basic_io.enhanced_sg = 0;
3615 scb->cmd.basic_io.sg_addr =
3616 cpu_to_le32(scb->data_busaddr);
3617 } else {
3618 scb->cmd.basic_io.op_code =
3619 (scb->scsi_cmd->cmnd[0] ==
3620 READ_10) ? IPS_CMD_READ_SG :
3621 IPS_CMD_WRITE_SG;
3622 scb->cmd.basic_io.enhanced_sg =
3623 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3624 scb->cmd.basic_io.sg_addr =
3625 cpu_to_le32(scb->sg_busaddr);
3626 }
3627
3628 scb->cmd.basic_io.segment_4G = 0;
3629 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3630 scb->cmd.basic_io.log_drv = scb->target_id;
3631 scb->cmd.basic_io.sg_count = scb->sg_len;
3632
3633 if (scb->cmd.basic_io.lba)
36b8dd1b 3634 le32_add_cpu(&scb->cmd.basic_io.lba,
1da177e4
LT		 3635 le16_to_cpu(scb->cmd.basic_io.
3636 sector_count));
3637 else
3638 scb->cmd.basic_io.lba =
3639 ((scb->scsi_cmd->cmnd[2] << 24) | (scb->
3640 scsi_cmd->
3641 cmnd[3]
3642 << 16) |
3643 (scb->scsi_cmd->cmnd[4] << 8) | scb->
3644 scsi_cmd->cmnd[5]);
3645
3646 scb->cmd.basic_io.sector_count =
3647 cpu_to_le16(scb->data_len / IPS_BLKSIZE);
3648
3649 if (cpu_to_le16(scb->cmd.basic_io.sector_count) == 0) {
3650 /*
3651 * This is a null condition
3652 * we don't have to do anything
3653 * so just return
3654 */
3655 scb->scsi_cmd->result = DID_OK << 16;
3656 } else
3657 ret = IPS_SUCCESS;
3658
3659 break;
3660
3661 case RESERVE:
3662 case RELEASE:
3663 scb->scsi_cmd->result = DID_OK << 16;
3664 break;
3665
3666 case MODE_SENSE:
3667 scb->cmd.basic_io.op_code = IPS_CMD_ENQUIRY;
3668 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3669 scb->cmd.basic_io.segment_4G = 0;
3670 scb->cmd.basic_io.enhanced_sg = 0;
3671 scb->data_len = sizeof (*ha->enq);
3672 scb->cmd.basic_io.sg_addr = ha->enq_busaddr;
3673 ret = IPS_SUCCESS;
3674 break;
3675
3676 case READ_CAPACITY:
3677 scb->cmd.logical_info.op_code = IPS_CMD_GET_LD_INFO;
3678 scb->cmd.logical_info.command_id = IPS_COMMAND_ID(ha, scb);
3679 scb->cmd.logical_info.reserved = 0;
3680 scb->cmd.logical_info.reserved2 = 0;
3681 scb->cmd.logical_info.reserved3 = 0;
3682 scb->data_len = sizeof (IPS_LD_INFO);
3683 scb->data_busaddr = ha->logical_drive_info_dma_addr;
3684 scb->flags = 0;
3685 scb->cmd.logical_info.buffer_addr = scb->data_busaddr;
3686 ret = IPS_SUCCESS;
3687 break;
3688
3689 case SEND_DIAGNOSTIC:
3690 case REASSIGN_BLOCKS:
3691 case FORMAT_UNIT:
3692 case SEEK_10:
3693 case VERIFY:
3694 case READ_DEFECT_DATA:
3695 case READ_BUFFER:
3696 case WRITE_BUFFER:
3697 scb->scsi_cmd->result = DID_OK << 16;
3698 break;
3699
3700 default:
3701 /* Set the Return Info to appear like the Command was */
3702 /* attempted, a Check Condition occurred, and Sense */
3703 /* Data indicating an Invalid CDB OpCode is returned. */
3704 sp = (char *) scb->scsi_cmd->sense_buffer;
1da177e4
LT		 3705
3706 sp[0] = 0x70; /* Error Code */
3707 sp[2] = ILLEGAL_REQUEST; /* Sense Key 5 Illegal Req. */
3708 sp[7] = 0x0A; /* Additional Sense Length */
3709 sp[12] = 0x20; /* ASC = Invalid OpCode */
3710 sp[13] = 0x00; /* ASCQ */
3711
3712 device_error = 2; /* Indicate Check Condition */
3713 scb->scsi_cmd->result = device_error | (DID_OK << 16);
3714 break;
3715 } /* end switch */
3716 }
3717 /* end if */
3718 if (ret == IPS_SUCCESS_IMM)
3719 return (ret);
3720
3721 /* setup DCDB */
3722 if (scb->bus > 0) {
3723
3724 /* If we already know the Device is Not there, no need to attempt a Command */
3725 /* This also protects an NT FailOver Controller from getting CDB's sent to it */
3726 if (ha->conf->dev[scb->bus - 1][scb->target_id].ucState == 0) {
3727 scb->scsi_cmd->result = DID_NO_CONNECT << 16;
3728 return (IPS_SUCCESS_IMM);
3729 }
3730
3731 ha->dcdb_active[scb->bus - 1] |= (1 << scb->target_id);
3732 scb->cmd.dcdb.command_id = IPS_COMMAND_ID(ha, scb);
3733 scb->cmd.dcdb.dcdb_address = cpu_to_le32(scb->scb_busaddr +
3734 (unsigned long) &scb->
3735 dcdb -
3736 (unsigned long) scb);
3737 scb->cmd.dcdb.reserved = 0;
3738 scb->cmd.dcdb.reserved2 = 0;
3739 scb->cmd.dcdb.reserved3 = 0;
3740 scb->cmd.dcdb.segment_4G = 0;
3741 scb->cmd.dcdb.enhanced_sg = 0;
3742
242f9dcb 3743 TimeOut = scb->scsi_cmd->request->timeout;
1da177e4
LT		 3744
3745 if (ha->subsys->param[4] & 0x00100000) { /* If NEW Tape DCDB is Supported */
3746 if (!scb->sg_len) {
3747 scb->cmd.dcdb.op_code = IPS_CMD_EXTENDED_DCDB;
3748 } else {
3749 scb->cmd.dcdb.op_code =
3750 IPS_CMD_EXTENDED_DCDB_SG;
3751 scb->cmd.dcdb.enhanced_sg =
3752 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3753 }
3754
3755 tapeDCDB = (IPS_DCDB_TABLE_TAPE *) & scb->dcdb; /* Use Same Data Area as Old DCDB Struct */
3756 tapeDCDB->device_address =
3757 ((scb->bus - 1) << 4) | scb->target_id;
3758 tapeDCDB->cmd_attribute |= IPS_DISCONNECT_ALLOWED;
3759 tapeDCDB->cmd_attribute &= ~IPS_TRANSFER64K; /* Always Turn OFF 64K Size Flag */
3760
3761 if (TimeOut) {
3762 if (TimeOut < (10 * HZ))
3763 tapeDCDB->cmd_attribute |= IPS_TIMEOUT10; /* TimeOut is 10 Seconds */
3764 else if (TimeOut < (60 * HZ))
3765 tapeDCDB->cmd_attribute |= IPS_TIMEOUT60; /* TimeOut is 60 Seconds */
3766 else if (TimeOut < (1200 * HZ))
3767 tapeDCDB->cmd_attribute |= IPS_TIMEOUT20M; /* TimeOut is 20 Minutes */
3768 }
3769
3770 tapeDCDB->cdb_length = scb->scsi_cmd->cmd_len;
3771 tapeDCDB->reserved_for_LUN = 0;
3772 tapeDCDB->transfer_length = scb->data_len;
3773 if (scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB_SG)
3774 tapeDCDB->buffer_pointer =
3775 cpu_to_le32(scb->sg_busaddr);
3776 else
3777 tapeDCDB->buffer_pointer =
3778 cpu_to_le32(scb->data_busaddr);
3779 tapeDCDB->sg_count = scb->sg_len;
3780 tapeDCDB->sense_length = sizeof (tapeDCDB->sense_info);
3781 tapeDCDB->scsi_status = 0;
3782 tapeDCDB->reserved = 0;
3783 memcpy(tapeDCDB->scsi_cdb, scb->scsi_cmd->cmnd,
3784 scb->scsi_cmd->cmd_len);
3785 } else {
3786 if (!scb->sg_len) {
3787 scb->cmd.dcdb.op_code = IPS_CMD_DCDB;
3788 } else {
3789 scb->cmd.dcdb.op_code = IPS_CMD_DCDB_SG;
3790 scb->cmd.dcdb.enhanced_sg =
3791 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3792 }
3793
3794 scb->dcdb.device_address =
3795 ((scb->bus - 1) << 4) | scb->target_id;
3796 scb->dcdb.cmd_attribute |= IPS_DISCONNECT_ALLOWED;
3797
3798 if (TimeOut) {
3799 if (TimeOut < (10 * HZ))
3800 scb->dcdb.cmd_attribute |= IPS_TIMEOUT10; /* TimeOut is 10 Seconds */
3801 else if (TimeOut < (60 * HZ))
3802 scb->dcdb.cmd_attribute |= IPS_TIMEOUT60; /* TimeOut is 60 Seconds */
3803 else if (TimeOut < (1200 * HZ))
3804 scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M; /* TimeOut is 20 Minutes */
3805 }
3806
3807 scb->dcdb.transfer_length = scb->data_len;
3808 if (scb->dcdb.cmd_attribute & IPS_TRANSFER64K)
3809 scb->dcdb.transfer_length = 0;
3810 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB_SG)
3811 scb->dcdb.buffer_pointer =
3812 cpu_to_le32(scb->sg_busaddr);
3813 else
3814 scb->dcdb.buffer_pointer =
3815 cpu_to_le32(scb->data_busaddr);
3816 scb->dcdb.cdb_length = scb->scsi_cmd->cmd_len;
3817 scb->dcdb.sense_length = sizeof (scb->dcdb.sense_info);
3818 scb->dcdb.sg_count = scb->sg_len;
3819 scb->dcdb.reserved = 0;
3820 memcpy(scb->dcdb.scsi_cdb, scb->scsi_cmd->cmnd,
3821 scb->scsi_cmd->cmd_len);
3822 scb->dcdb.scsi_status = 0;
3823 scb->dcdb.reserved2[0] = 0;
3824 scb->dcdb.reserved2[1] = 0;
3825 scb->dcdb.reserved2[2] = 0;
3826 }
3827 }
3828
3829 return ((*ha->func.issue) (ha, scb));
3830}
3831
3832/****************************************************************************/
3833/* */
3834/* Routine Name: ips_chk_status */
3835/* */
3836/* Routine Description: */
3837/* */
3838/* Check the status of commands to logical drives */
3839/* Assumed to be called with the HA lock */
3840/****************************************************************************/
3841static void
3842ips_chkstatus(ips_ha_t * ha, IPS_STATUS * pstatus)
3843{
3844 ips_scb_t *scb;
3845 ips_stat_t *sp;
3846 uint8_t basic_status;
3847 uint8_t ext_status;
3848 int errcode;
a5b3c86e 3849 IPS_SCSI_INQ_DATA inquiryData;
1da177e4
LT		 3850
3851 METHOD_TRACE("ips_chkstatus", 1);
3852
3853 scb = &ha->scbs[pstatus->fields.command_id];
3854 scb->basic_status = basic_status =
3855 pstatus->fields.basic_status & IPS_BASIC_STATUS_MASK;
3856 scb->extended_status = ext_status = pstatus->fields.extended_status;
3857
3858 sp = &ha->sp;
3859 sp->residue_len = 0;
3860 sp->scb_addr = (void *) scb;
3861
3862 /* Remove the item from the active queue */
3863 ips_removeq_scb(&ha->scb_activelist, scb);
3864
3865 if (!scb->scsi_cmd)
3866 /* internal commands are handled in do_ipsintr */
3867 return;
3868
3869 DEBUG_VAR(2, "(%s%d) ips_chkstatus: cmd 0x%X id %d (%d %d %d)",
3870 ips_name,
3871 ha->host_num,
3872 scb->cdb[0],
3873 scb->cmd.basic_io.command_id,
3874 scb->bus, scb->target_id, scb->lun);
3875
3876 if ((scb->scsi_cmd) && (ips_is_passthru(scb->scsi_cmd)))
3877 /* passthru - just returns the raw result */
3878 return;
3879
3880 errcode = DID_OK;
3881
3882 if (((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_SUCCESS) ||
3883 ((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_RECOVERED_ERROR)) {
3884
3885 if (scb->bus == 0) {
3886 if ((basic_status & IPS_GSC_STATUS_MASK) ==
3887 IPS_CMD_RECOVERED_ERROR) {
3888 DEBUG_VAR(1,
3889 "(%s%d) Recovered Logical Drive Error OpCode: %x, BSB: %x, ESB: %x",
3890 ips_name, ha->host_num,
3891 scb->cmd.basic_io.op_code,
3892 basic_status, ext_status);
3893 }
3894
3895 switch (scb->scsi_cmd->cmnd[0]) {
3896 case ALLOW_MEDIUM_REMOVAL:
3897 case REZERO_UNIT:
3898 case ERASE:
3899 case WRITE_FILEMARKS:
3900 case SPACE:
3901 errcode = DID_ERROR;
3902 break;
3903
3904 case START_STOP:
3905 break;
3906
3907 case TEST_UNIT_READY:
3908 if (!ips_online(ha, scb)) {
3909 errcode = DID_TIME_OUT;
3910 }
3911 break;
3912
3913 case INQUIRY:
3914 if (ips_online(ha, scb)) {
3915 ips_inquiry(ha, scb);
3916 } else {
3917 errcode = DID_TIME_OUT;
3918 }
3919 break;
3920
3921 case REQUEST_SENSE:
3922 ips_reqsen(ha, scb);
3923 break;
3924
3925 case READ_6:
3926 case WRITE_6:
3927 case READ_10:
3928 case WRITE_10:
3929 case RESERVE:
3930 case RELEASE:
3931 break;
3932
3933 case MODE_SENSE:
3934 if (!ips_online(ha, scb)
3935 || !ips_msense(ha, scb)) {
3936 errcode = DID_ERROR;
3937 }
3938 break;
3939
3940 case READ_CAPACITY:
3941 if (ips_online(ha, scb))
3942 ips_rdcap(ha, scb);
3943 else {
3944 errcode = DID_TIME_OUT;
3945 }
3946 break;
3947
3948 case SEND_DIAGNOSTIC:
3949 case REASSIGN_BLOCKS:
3950 break;
3951
3952 case FORMAT_UNIT:
3953 errcode = DID_ERROR;
3954 break;
3955
3956 case SEEK_10:
3957 case VERIFY:
3958 case READ_DEFECT_DATA:
3959 case READ_BUFFER:
3960 case WRITE_BUFFER:
3961 break;
3962
3963 default:
3964 errcode = DID_ERROR;
3965 } /* end switch */
3966
3967 scb->scsi_cmd->result = errcode << 16;
3968 } else { /* bus == 0 */
3969 /* restrict access to physical drives */
2f277d6a
JG		 3970 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
3971 ips_scmd_buf_read(scb->scsi_cmd,
a5b3c86e 3972 &inquiryData, sizeof (inquiryData));
2f277d6a 3973 if ((inquiryData.DeviceType & 0x1f) == TYPE_DISK)
a5b3c86e 3974 scb->scsi_cmd->result = DID_TIME_OUT << 16;
1da177e4
LT		 3975 }
3976 } /* else */
3977 } else { /* recovered error / success */
3978 if (scb->bus == 0) {
3979 DEBUG_VAR(1,
3980 "(%s%d) Unrecovered Logical Drive Error OpCode: %x, BSB: %x, ESB: %x",
3981 ips_name, ha->host_num,
3982 scb->cmd.basic_io.op_code, basic_status,
3983 ext_status);
3984 }
3985
3986 ips_map_status(ha, scb, sp);
3987 } /* else */
3988}
3989
3990/****************************************************************************/
3991/* */
3992/* Routine Name: ips_online */
3993/* */
3994/* Routine Description: */
3995/* */
3996/* Determine if a logical drive is online */
3997/* */
3998/****************************************************************************/
3999static int
4000ips_online(ips_ha_t * ha, ips_scb_t * scb)
4001{
4002 METHOD_TRACE("ips_online", 1);
4003
4004 if (scb->target_id >= IPS_MAX_LD)
4005 return (0);
4006
4007 if ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1) {
4008 memset(ha->logical_drive_info, 0, sizeof (IPS_LD_INFO));
4009 return (0);
4010 }
4011
4012 if (ha->logical_drive_info->drive_info[scb->target_id].state !=
4013 IPS_LD_OFFLINE
4014 && ha->logical_drive_info->drive_info[scb->target_id].state !=
4015 IPS_LD_FREE
4016 && ha->logical_drive_info->drive_info[scb->target_id].state !=
4017 IPS_LD_CRS
4018 && ha->logical_drive_info->drive_info[scb->target_id].state !=
4019 IPS_LD_SYS)
4020 return (1);
4021 else
4022 return (0);
4023}
4024
4025/****************************************************************************/
4026/* */
4027/* Routine Name: ips_inquiry */
4028/* */
4029/* Routine Description: */
4030/* */
4031/* Simulate an inquiry command to a logical drive */
4032/* */
4033/****************************************************************************/
4034static int
4035ips_inquiry(ips_ha_t * ha, ips_scb_t * scb)
4036{
4037 IPS_SCSI_INQ_DATA inquiry;
4038
4039 METHOD_TRACE("ips_inquiry", 1);
4040
4041 memset(&inquiry, 0, sizeof (IPS_SCSI_INQ_DATA));
4042
4043 inquiry.DeviceType = IPS_SCSI_INQ_TYPE_DASD;
4044 inquiry.DeviceTypeQualifier = IPS_SCSI_INQ_LU_CONNECTED;
4045 inquiry.Version = IPS_SCSI_INQ_REV2;
4046 inquiry.ResponseDataFormat = IPS_SCSI_INQ_RD_REV2;
4047 inquiry.AdditionalLength = 31;
4048 inquiry.Flags[0] = IPS_SCSI_INQ_Address16;
4049 inquiry.Flags[1] =
4050 IPS_SCSI_INQ_WBus16 | IPS_SCSI_INQ_Sync | IPS_SCSI_INQ_CmdQue;
4051 strncpy(inquiry.VendorId, "IBM ", 8);
4052 strncpy(inquiry.ProductId, "SERVERAID ", 16);
4053 strncpy(inquiry.ProductRevisionLevel, "1.00", 4);
4054
4055 ips_scmd_buf_write(scb->scsi_cmd, &inquiry, sizeof (inquiry));
4056
4057 return (1);
4058}
4059
4060/****************************************************************************/
4061/* */
4062/* Routine Name: ips_rdcap */
4063/* */
4064/* Routine Description: */
4065/* */
4066/* Simulate a read capacity command to a logical drive */
4067/* */
4068/****************************************************************************/
4069static int
4070ips_rdcap(ips_ha_t * ha, ips_scb_t * scb)
4071{
4072 IPS_SCSI_CAPACITY cap;
4073
4074 METHOD_TRACE("ips_rdcap", 1);
4075
2f4cf91c 4076 if (scsi_bufflen(scb->scsi_cmd) < 8)
1da177e4
LT		 4077 return (0);
4078
4079 cap.lba =
4080 cpu_to_be32(le32_to_cpu
4081 (ha->logical_drive_info->
4082 drive_info[scb->target_id].sector_count) - 1);
4083 cap.len = cpu_to_be32((uint32_t) IPS_BLKSIZE);
4084
4085 ips_scmd_buf_write(scb->scsi_cmd, &cap, sizeof (cap));
4086
4087 return (1);
4088}
4089
4090/****************************************************************************/
4091/* */
4092/* Routine Name: ips_msense */
4093/* */
4094/* Routine Description: */
4095/* */
4096/* Simulate a mode sense command to a logical drive */
4097/* */
4098/****************************************************************************/
4099static int
4100ips_msense(ips_ha_t * ha, ips_scb_t * scb)
4101{
4102 uint16_t heads;
4103 uint16_t sectors;
4104 uint32_t cylinders;
4105 IPS_SCSI_MODE_PAGE_DATA mdata;
4106
4107 METHOD_TRACE("ips_msense", 1);
4108
4109 if (le32_to_cpu(ha->enq->ulDriveSize[scb->target_id]) > 0x400000 &&
4110 (ha->enq->ucMiscFlag & 0x8) == 0) {
4111 heads = IPS_NORM_HEADS;
4112 sectors = IPS_NORM_SECTORS;
4113 } else {
4114 heads = IPS_COMP_HEADS;
4115 sectors = IPS_COMP_SECTORS;
4116 }
4117
4118 cylinders =
4119 (le32_to_cpu(ha->enq->ulDriveSize[scb->target_id]) -
4120 1) / (heads * sectors);
4121
4122 memset(&mdata, 0, sizeof (IPS_SCSI_MODE_PAGE_DATA));
4123
4124 mdata.hdr.BlockDescLength = 8;
4125
4126 switch (scb->scsi_cmd->cmnd[2] & 0x3f) {
4127 case 0x03: /* page 3 */
4128 mdata.pdata.pg3.PageCode = 3;
4129 mdata.pdata.pg3.PageLength = sizeof (IPS_SCSI_MODE_PAGE3);
4130 mdata.hdr.DataLength =
4131 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg3.PageLength;
4132 mdata.pdata.pg3.TracksPerZone = 0;
4133 mdata.pdata.pg3.AltSectorsPerZone = 0;
4134 mdata.pdata.pg3.AltTracksPerZone = 0;
4135 mdata.pdata.pg3.AltTracksPerVolume = 0;
4136 mdata.pdata.pg3.SectorsPerTrack = cpu_to_be16(sectors);
4137 mdata.pdata.pg3.BytesPerSector = cpu_to_be16(IPS_BLKSIZE);
4138 mdata.pdata.pg3.Interleave = cpu_to_be16(1);
4139 mdata.pdata.pg3.TrackSkew = 0;
4140 mdata.pdata.pg3.CylinderSkew = 0;
4141 mdata.pdata.pg3.flags = IPS_SCSI_MP3_SoftSector;
4142 break;
4143
4144 case 0x4:
4145 mdata.pdata.pg4.PageCode = 4;
4146 mdata.pdata.pg4.PageLength = sizeof (IPS_SCSI_MODE_PAGE4);
4147 mdata.hdr.DataLength =
4148 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg4.PageLength;
4149 mdata.pdata.pg4.CylindersHigh =
4150 cpu_to_be16((cylinders >> 8) & 0xFFFF);
4151 mdata.pdata.pg4.CylindersLow = (cylinders & 0xFF);
4152 mdata.pdata.pg4.Heads = heads;
4153 mdata.pdata.pg4.WritePrecompHigh = 0;
4154 mdata.pdata.pg4.WritePrecompLow = 0;
4155 mdata.pdata.pg4.ReducedWriteCurrentHigh = 0;
4156 mdata.pdata.pg4.ReducedWriteCurrentLow = 0;
4157 mdata.pdata.pg4.StepRate = cpu_to_be16(1);
4158 mdata.pdata.pg4.LandingZoneHigh = 0;
4159 mdata.pdata.pg4.LandingZoneLow = 0;
4160 mdata.pdata.pg4.flags = 0;
4161 mdata.pdata.pg4.RotationalOffset = 0;
4162 mdata.pdata.pg4.MediumRotationRate = 0;
4163 break;
4164 case 0x8:
4165 mdata.pdata.pg8.PageCode = 8;
4166 mdata.pdata.pg8.PageLength = sizeof (IPS_SCSI_MODE_PAGE8);
4167 mdata.hdr.DataLength =
4168 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg8.PageLength;
4169 /* everything else is left set to 0 */
4170 break;
4171
4172 default:
4173 return (0);
4174 } /* end switch */
4175
4176 ips_scmd_buf_write(scb->scsi_cmd, &mdata, sizeof (mdata));
4177
4178 return (1);
4179}
4180
4181/****************************************************************************/
4182/* */
4183/* Routine Name: ips_reqsen */
4184/* */
4185/* Routine Description: */
4186/* */
4187/* Simulate a request sense command to a logical drive */
4188/* */
4189/****************************************************************************/
4190static int
4191ips_reqsen(ips_ha_t * ha, ips_scb_t * scb)
4192{
4193 IPS_SCSI_REQSEN reqsen;
4194
4195 METHOD_TRACE("ips_reqsen", 1);
4196
4197 memset(&reqsen, 0, sizeof (IPS_SCSI_REQSEN));
4198
4199 reqsen.ResponseCode =
4200 IPS_SCSI_REQSEN_VALID | IPS_SCSI_REQSEN_CURRENT_ERR;
4201 reqsen.AdditionalLength = 10;
4202 reqsen.AdditionalSenseCode = IPS_SCSI_REQSEN_NO_SENSE;
4203 reqsen.AdditionalSenseCodeQual = IPS_SCSI_REQSEN_NO_SENSE;
4204
4205 ips_scmd_buf_write(scb->scsi_cmd, &reqsen, sizeof (reqsen));
4206
4207 return (1);
4208}
4209
4210/****************************************************************************/
4211/* */
4212/* Routine Name: ips_free */
4213/* */
4214/* Routine Description: */
4215/* */
4216/* Free any allocated space for this controller */
4217/* */
4218/****************************************************************************/
4219static void
4220ips_free(ips_ha_t * ha)
4221{
4222
4223 METHOD_TRACE("ips_free", 1);
4224
4225 if (ha) {
4226 if (ha->enq) {
4227 pci_free_consistent(ha->pcidev, sizeof(IPS_ENQ),
4228 ha->enq, ha->enq_busaddr);
4229 ha->enq = NULL;
4230 }
4231
c9475cb0
JJ		 4232 kfree(ha->conf);
4233 ha->conf = NULL;
1da177e4
LT		 4234
4235 if (ha->adapt) {
4236 pci_free_consistent(ha->pcidev,
4237 sizeof (IPS_ADAPTER) +
4238 sizeof (IPS_IO_CMD), ha->adapt,
4239 ha->adapt->hw_status_start);
4240 ha->adapt = NULL;
4241 }
4242
4243 if (ha->logical_drive_info) {
4244 pci_free_consistent(ha->pcidev,
4245 sizeof (IPS_LD_INFO),
4246 ha->logical_drive_info,
4247 ha->logical_drive_info_dma_addr);
4248 ha->logical_drive_info = NULL;
4249 }
4250
c9475cb0
JJ		 4251 kfree(ha->nvram);
4252 ha->nvram = NULL;
1da177e4 4253
c9475cb0
JJ		 4254 kfree(ha->subsys);
4255 ha->subsys = NULL;
1da177e4
LT		 4256
4257 if (ha->ioctl_data) {
4258 pci_free_consistent(ha->pcidev, ha->ioctl_len,
4259 ha->ioctl_data, ha->ioctl_busaddr);
4260 ha->ioctl_data = NULL;
4261 ha->ioctl_datasize = 0;
4262 ha->ioctl_len = 0;
4263 }
4264 ips_deallocatescbs(ha, ha->max_cmds);
4265
4266 /* free memory mapped (if applicable) */
4267 if (ha->mem_ptr) {
4268 iounmap(ha->ioremap_ptr);
4269 ha->ioremap_ptr = NULL;
4270 ha->mem_ptr = NULL;
4271 }
4272
1da177e4
LT		 4273 ha->mem_addr = 0;
4274
4275 }
4276}
4277
4278/****************************************************************************/
4279/* */
4280/* Routine Name: ips_deallocatescbs */
4281/* */
4282/* Routine Description: */
4283/* */
4284/* Free the command blocks */
4285/* */
4286/****************************************************************************/
4287static int
4288ips_deallocatescbs(ips_ha_t * ha, int cmds)
4289{
4290 if (ha->scbs) {
4291 pci_free_consistent(ha->pcidev,
4292 IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * cmds,
4293 ha->scbs->sg_list.list,
4294 ha->scbs->sg_busaddr);
4295 pci_free_consistent(ha->pcidev, sizeof (ips_scb_t) * cmds,
4296 ha->scbs, ha->scbs->scb_busaddr);
4297 ha->scbs = NULL;
4298 } /* end if */
4299 return 1;
4300}
4301
4302/****************************************************************************/
4303/* */
4304/* Routine Name: ips_allocatescbs */
4305/* */
4306/* Routine Description: */
4307/* */
4308/* Allocate the command blocks */
4309/* */
4310/****************************************************************************/
4311static int
4312ips_allocatescbs(ips_ha_t * ha)
4313{
4314 ips_scb_t *scb_p;
4315 IPS_SG_LIST ips_sg;
4316 int i;
4317 dma_addr_t command_dma, sg_dma;
4318
4319 METHOD_TRACE("ips_allocatescbs", 1);
4320
4321 /* Allocate memory for the SCBs */
4322 ha->scbs =
4323 pci_alloc_consistent(ha->pcidev, ha->max_cmds * sizeof (ips_scb_t),
4324 &command_dma);
4325 if (ha->scbs == NULL)
4326 return 0;
4327 ips_sg.list =
4328 pci_alloc_consistent(ha->pcidev,
4329 IPS_SGLIST_SIZE(ha) * IPS_MAX_SG *
4330 ha->max_cmds, &sg_dma);
4331 if (ips_sg.list == NULL) {
4332 pci_free_consistent(ha->pcidev,
4333 ha->max_cmds * sizeof (ips_scb_t), ha->scbs,
4334 command_dma);
4335 return 0;
4336 }
4337
4338 memset(ha->scbs, 0, ha->max_cmds * sizeof (ips_scb_t));
4339
4340 for (i = 0; i < ha->max_cmds; i++) {
4341 scb_p = &ha->scbs[i];
4342 scb_p->scb_busaddr = command_dma + sizeof (ips_scb_t) * i;
4343 /* set up S/G list */
4344 if (IPS_USE_ENH_SGLIST(ha)) {
4345 scb_p->sg_list.enh_list =
4346 ips_sg.enh_list + i * IPS_MAX_SG;
4347 scb_p->sg_busaddr =
4348 sg_dma + IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * i;
4349 } else {
4350 scb_p->sg_list.std_list =
4351 ips_sg.std_list + i * IPS_MAX_SG;
4352 scb_p->sg_busaddr =
4353 sg_dma + IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * i;
4354 }
4355
4356 /* add to the free list */
4357 if (i < ha->max_cmds - 1) {
4358 scb_p->q_next = ha->scb_freelist;
4359 ha->scb_freelist = scb_p;
4360 }
4361 }
4362
4363 /* success */
4364 return (1);
4365}
4366
4367/****************************************************************************/
4368/* */
4369/* Routine Name: ips_init_scb */
4370/* */
4371/* Routine Description: */
4372/* */
4373/* Initialize a CCB to default values */
4374/* */
4375/****************************************************************************/
4376static void
4377ips_init_scb(ips_ha_t * ha, ips_scb_t * scb)
4378{
4379 IPS_SG_LIST sg_list;
4380 uint32_t cmd_busaddr, sg_busaddr;
4381 METHOD_TRACE("ips_init_scb", 1);
4382
4383 if (scb == NULL)
4384 return;
4385
4386 sg_list.list = scb->sg_list.list;
4387 cmd_busaddr = scb->scb_busaddr;
4388 sg_busaddr = scb->sg_busaddr;
4389 /* zero fill */
4390 memset(scb, 0, sizeof (ips_scb_t));
4391 memset(ha->dummy, 0, sizeof (IPS_IO_CMD));
4392
4393 /* Initialize dummy command bucket */
4394 ha->dummy->op_code = 0xFF;
4395 ha->dummy->ccsar = cpu_to_le32(ha->adapt->hw_status_start
4396 + sizeof (IPS_ADAPTER));
4397 ha->dummy->command_id = IPS_MAX_CMDS;
4398
4399 /* set bus address of scb */
4400 scb->scb_busaddr = cmd_busaddr;
4401 scb->sg_busaddr = sg_busaddr;
4402 scb->sg_list.list = sg_list.list;
4403
4404 /* Neptune Fix */
4405 scb->cmd.basic_io.cccr = cpu_to_le32((uint32_t) IPS_BIT_ILE);
4406 scb->cmd.basic_io.ccsar = cpu_to_le32(ha->adapt->hw_status_start
4407 + sizeof (IPS_ADAPTER));
4408}
4409
4410/****************************************************************************/
4411/* */
4412/* Routine Name: ips_get_scb */
4413/* */
4414/* Routine Description: */
4415/* */
4416/* Initialize a CCB to default values */
4417/* */
42b2aa86 4418/* ASSUMED to be called from within a lock */
1da177e4
LT		 4419/* */
4420/****************************************************************************/
4421static ips_scb_t *
4422ips_getscb(ips_ha_t * ha)
4423{
4424 ips_scb_t *scb;
4425
4426 METHOD_TRACE("ips_getscb", 1);
4427
4428 if ((scb = ha->scb_freelist) == NULL) {
4429
4430 return (NULL);
4431 }
4432
4433 ha->scb_freelist = scb->q_next;
4434 scb->flags = 0;
4435 scb->q_next = NULL;
4436
4437 ips_init_scb(ha, scb);
4438
4439 return (scb);
4440}
4441
4442/****************************************************************************/
4443/* */
4444/* Routine Name: ips_free_scb */
4445/* */
4446/* Routine Description: */
4447/* */
4448/* Return an unused CCB back to the free list */
4449/* */
4450/* ASSUMED to be called from within a lock */
4451/* */
4452/****************************************************************************/
4453static void
4454ips_freescb(ips_ha_t * ha, ips_scb_t * scb)
4455{
4456
4457 METHOD_TRACE("ips_freescb", 1);
4458 if (scb->flags & IPS_SCB_MAP_SG)
2f4cf91c 4459 scsi_dma_unmap(scb->scsi_cmd);
1da177e4
LT		 4460 else if (scb->flags & IPS_SCB_MAP_SINGLE)
4461 pci_unmap_single(ha->pcidev, scb->data_busaddr, scb->data_len,
4462 IPS_DMA_DIR(scb));
4463
4464 /* check to make sure this is not our "special" scb */
4465 if (IPS_COMMAND_ID(ha, scb) < (ha->max_cmds - 1)) {
4466 scb->q_next = ha->scb_freelist;
4467 ha->scb_freelist = scb;
4468 }
4469}
4470
4471/****************************************************************************/
4472/* */
4473/* Routine Name: ips_isinit_copperhead */
4474/* */
4475/* Routine Description: */
4476/* */
4477/* Is controller initialized ? */
4478/* */
4479/****************************************************************************/
4480static int
4481ips_isinit_copperhead(ips_ha_t * ha)
4482{
4483 uint8_t scpr;
4484 uint8_t isr;
4485
4486 METHOD_TRACE("ips_isinit_copperhead", 1);
4487
4488 isr = inb(ha->io_addr + IPS_REG_HISR);
4489 scpr = inb(ha->io_addr + IPS_REG_SCPR);
4490
4491 if (((isr & IPS_BIT_EI) == 0) && ((scpr & IPS_BIT_EBM) == 0))
4492 return (0);
4493 else
4494 return (1);
4495}
4496
4497/****************************************************************************/
4498/* */
4499/* Routine Name: ips_isinit_copperhead_memio */
4500/* */
4501/* Routine Description: */
4502/* */
4503/* Is controller initialized ? */
4504/* */
4505/****************************************************************************/
4506static int
4507ips_isinit_copperhead_memio(ips_ha_t * ha)
4508{
4509 uint8_t isr = 0;
4510 uint8_t scpr;
4511
4512 METHOD_TRACE("ips_is_init_copperhead_memio", 1);
4513
4514 isr = readb(ha->mem_ptr + IPS_REG_HISR);
4515 scpr = readb(ha->mem_ptr + IPS_REG_SCPR);
4516
4517 if (((isr & IPS_BIT_EI) == 0) && ((scpr & IPS_BIT_EBM) == 0))
4518 return (0);
4519 else
4520 return (1);
4521}
4522
4523/****************************************************************************/
4524/* */
4525/* Routine Name: ips_isinit_morpheus */
4526/* */
4527/* Routine Description: */
4528/* */
4529/* Is controller initialized ? */
4530/* */
4531/****************************************************************************/
4532static int
4533ips_isinit_morpheus(ips_ha_t * ha)
4534{
4535 uint32_t post;
4536 uint32_t bits;
4537
4538 METHOD_TRACE("ips_is_init_morpheus", 1);
2f277d6a
JG		 4539
4540 if (ips_isintr_morpheus(ha))
ee807c2d 4541 ips_flush_and_reset(ha);
1da177e4
LT		 4542
4543 post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
4544 bits = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
4545
4546 if (post == 0)
4547 return (0);
4548 else if (bits & 0x3)
4549 return (0);
4550 else
4551 return (1);
4552}
4553
ee807c2d
JH		 4554/****************************************************************************/
4555/* */
4556/* Routine Name: ips_flush_and_reset */
4557/* */
4558/* Routine Description: */
4559/* */
4560/* Perform cleanup ( FLUSH and RESET ) when the adapter is in an unknown */
4561/* state ( was trying to INIT and an interrupt was already pending ) ... */
4562/* */
4563/****************************************************************************/
2f277d6a 4564static void
ee807c2d
JH		 4565ips_flush_and_reset(ips_ha_t *ha)
4566{
4567 ips_scb_t *scb;
4568 int ret;
4569 int time;
4570 int done;
4571 dma_addr_t command_dma;
4572
4573 /* Create a usuable SCB */
4574 scb = pci_alloc_consistent(ha->pcidev, sizeof(ips_scb_t), &command_dma);
4575 if (scb) {
4576 memset(scb, 0, sizeof(ips_scb_t));
4577 ips_init_scb(ha, scb);
4578 scb->scb_busaddr = command_dma;
4579
4580 scb->timeout = ips_cmd_timeout;
4581 scb->cdb[0] = IPS_CMD_FLUSH;
4582
4583 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
4584 scb->cmd.flush_cache.command_id = IPS_MAX_CMDS; /* Use an ID that would otherwise not exist */
4585 scb->cmd.flush_cache.state = IPS_NORM_STATE;
4586 scb->cmd.flush_cache.reserved = 0;
4587 scb->cmd.flush_cache.reserved2 = 0;
4588 scb->cmd.flush_cache.reserved3 = 0;
4589 scb->cmd.flush_cache.reserved4 = 0;
4590
4591 ret = ips_send_cmd(ha, scb); /* Send the Flush Command */
4592
4593 if (ret == IPS_SUCCESS) {
4594 time = 60 * IPS_ONE_SEC; /* Max Wait time is 60 seconds */
4595 done = 0;
2f277d6a 4596
ee807c2d 4597 while ((time > 0) && (!done)) {
2f277d6a 4598 done = ips_poll_for_flush_complete(ha);
ee807c2d
JH		 4599 /* This may look evil, but it's only done during extremely rare start-up conditions ! */
4600 udelay(1000);
4601 time--;
4602 }
4603 }
4604 }
4605
4606 /* Now RESET and INIT the adapter */
4607 (*ha->func.reset) (ha);
4608
4609 pci_free_consistent(ha->pcidev, sizeof(ips_scb_t), scb, command_dma);
4610 return;
4611}
4612
4613/****************************************************************************/
4614/* */
4615/* Routine Name: ips_poll_for_flush_complete */
4616/* */
4617/* Routine Description: */
4618/* */
4619/* Poll for the Flush Command issued by ips_flush_and_reset() to complete */
4620/* All other responses are just taken off the queue and ignored */
4621/* */
4622/****************************************************************************/
4623static int
4624ips_poll_for_flush_complete(ips_ha_t * ha)
4625{
4626 IPS_STATUS cstatus;
2f277d6a 4627
ee807c2d
JH		 4628 while (TRUE) {
4629 cstatus.value = (*ha->func.statupd) (ha);
4630
4631 if (cstatus.value == 0xffffffff) /* If No Interrupt to process */
4632 break;
2f277d6a 4633
ee807c2d 4634 /* Success is when we see the Flush Command ID */
2f277d6a 4635 if (cstatus.fields.command_id == IPS_MAX_CMDS)
ee807c2d 4636 return 1;
2f277d6a 4637 }
ee807c2d
JH		 4638
4639 return 0;
0ee957cb 4640}
ee807c2d 4641
1da177e4
LT		 4642/****************************************************************************/
4643/* */
4644/* Routine Name: ips_enable_int_copperhead */
4645/* */
4646/* Routine Description: */
4647/* Turn on interrupts */
4648/* */
4649/****************************************************************************/
4650static void
4651ips_enable_int_copperhead(ips_ha_t * ha)
4652{
4653 METHOD_TRACE("ips_enable_int_copperhead", 1);
4654
4655 outb(ha->io_addr + IPS_REG_HISR, IPS_BIT_EI);
4656 inb(ha->io_addr + IPS_REG_HISR); /*Ensure PCI Posting Completes*/
4657}
4658
4659/****************************************************************************/
4660/* */
4661/* Routine Name: ips_enable_int_copperhead_memio */
4662/* */
4663/* Routine Description: */
4664/* Turn on interrupts */
4665/* */
4666/****************************************************************************/
4667static void
4668ips_enable_int_copperhead_memio(ips_ha_t * ha)
4669{
4670 METHOD_TRACE("ips_enable_int_copperhead_memio", 1);
4671
4672 writeb(IPS_BIT_EI, ha->mem_ptr + IPS_REG_HISR);
4673 readb(ha->mem_ptr + IPS_REG_HISR); /*Ensure PCI Posting Completes*/
4674}
4675
4676/****************************************************************************/
4677/* */
4678/* Routine Name: ips_enable_int_morpheus */
4679/* */
4680/* Routine Description: */
4681/* Turn on interrupts */
4682/* */
4683/****************************************************************************/
4684static void
4685ips_enable_int_morpheus(ips_ha_t * ha)
4686{
4687 uint32_t Oimr;
4688
4689 METHOD_TRACE("ips_enable_int_morpheus", 1);
4690
4691 Oimr = readl(ha->mem_ptr + IPS_REG_I960_OIMR);
4692 Oimr &= ~0x08;
4693 writel(Oimr, ha->mem_ptr + IPS_REG_I960_OIMR);
4694 readl(ha->mem_ptr + IPS_REG_I960_OIMR); /*Ensure PCI Posting Completes*/
4695}
4696
4697/****************************************************************************/
4698/* */
4699/* Routine Name: ips_init_copperhead */
4700/* */
4701/* Routine Description: */
4702/* */
4703/* Initialize a copperhead controller */
4704/* */
4705/****************************************************************************/
4706static int
4707ips_init_copperhead(ips_ha_t * ha)
4708{
4709 uint8_t Isr;
4710 uint8_t Cbsp;
4711 uint8_t PostByte[IPS_MAX_POST_BYTES];
4712 uint8_t ConfigByte[IPS_MAX_CONFIG_BYTES];
4713 int i, j;
4714
4715 METHOD_TRACE("ips_init_copperhead", 1);
4716
4717 for (i = 0; i < IPS_MAX_POST_BYTES; i++) {
4718 for (j = 0; j < 45; j++) {
4719 Isr = inb(ha->io_addr + IPS_REG_HISR);
4720 if (Isr & IPS_BIT_GHI)
4721 break;
4722
4723 /* Delay for 1 Second */
bf471341 4724 MDELAY(IPS_ONE_SEC);
1da177e4
LT		 4725 }
4726
4727 if (j >= 45)
4728 /* error occurred */
4729 return (0);
4730
4731 PostByte[i] = inb(ha->io_addr + IPS_REG_ISPR);
4732 outb(Isr, ha->io_addr + IPS_REG_HISR);
4733 }
4734
4735 if (PostByte[0] < IPS_GOOD_POST_STATUS) {
4736 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4737 "reset controller fails (post status %x %x).\n",
4738 PostByte[0], PostByte[1]);
4739
4740 return (0);
4741 }
4742
4743 for (i = 0; i < IPS_MAX_CONFIG_BYTES; i++) {
4744 for (j = 0; j < 240; j++) {
4745 Isr = inb(ha->io_addr + IPS_REG_HISR);
4746 if (Isr & IPS_BIT_GHI)
4747 break;
4748
4749 /* Delay for 1 Second */
bf471341 4750 MDELAY(IPS_ONE_SEC);
1da177e4
LT		 4751 }
4752
4753 if (j >= 240)
4754 /* error occurred */
4755 return (0);
4756
4757 ConfigByte[i] = inb(ha->io_addr + IPS_REG_ISPR);
4758 outb(Isr, ha->io_addr + IPS_REG_HISR);
4759 }
4760
4761 for (i = 0; i < 240; i++) {
4762 Cbsp = inb(ha->io_addr + IPS_REG_CBSP);
4763
4764 if ((Cbsp & IPS_BIT_OP) == 0)
4765 break;
4766
4767 /* Delay for 1 Second */
bf471341 4768 MDELAY(IPS_ONE_SEC);
1da177e4
LT		 4769 }
4770
4771 if (i >= 240)
4772 /* reset failed */
4773 return (0);
4774
4775 /* setup CCCR */
db3cc200 4776 outl(0x1010, ha->io_addr + IPS_REG_CCCR);
1da177e4
LT		 4777
4778 /* Enable busmastering */
4779 outb(IPS_BIT_EBM, ha->io_addr + IPS_REG_SCPR);
4780
8a694cc8 4781 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 4782 /* fix for anaconda64 */
4783 outl(0, ha->io_addr + IPS_REG_NDAE);
4784
4785 /* Enable interrupts */
4786 outb(IPS_BIT_EI, ha->io_addr + IPS_REG_HISR);
4787
4788 return (1);
4789}
4790
4791/****************************************************************************/
4792/* */
4793/* Routine Name: ips_init_copperhead_memio */
4794/* */
4795/* Routine Description: */
4796/* */
4797/* Initialize a copperhead controller with memory mapped I/O */
4798/* */
4799/****************************************************************************/
4800static int
4801ips_init_copperhead_memio(ips_ha_t * ha)
4802{
4803 uint8_t Isr = 0;
4804 uint8_t Cbsp;
4805 uint8_t PostByte[IPS_MAX_POST_BYTES];
4806 uint8_t ConfigByte[IPS_MAX_CONFIG_BYTES];
4807 int i, j;
4808
4809 METHOD_TRACE("ips_init_copperhead_memio", 1);
4810
4811 for (i = 0; i < IPS_MAX_POST_BYTES; i++) {
4812 for (j = 0; j < 45; j++) {
4813 Isr = readb(ha->mem_ptr + IPS_REG_HISR);
4814 if (Isr & IPS_BIT_GHI)
4815 break;
4816
4817 /* Delay for 1 Second */
bf471341 4818 MDELAY(IPS_ONE_SEC);
1da177e4
LT		 4819 }
4820
4821 if (j >= 45)
4822 /* error occurred */
4823 return (0);
4824
4825 PostByte[i] = readb(ha->mem_ptr + IPS_REG_ISPR);
4826 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
4827 }
4828
4829 if (PostByte[0] < IPS_GOOD_POST_STATUS) {
4830 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4831 "reset controller fails (post status %x %x).\n",
4832 PostByte[0], PostByte[1]);
4833
4834 return (0);
4835 }
4836
4837 for (i = 0; i < IPS_MAX_CONFIG_BYTES; i++) {
4838 for (j = 0; j < 240; j++) {
4839 Isr = readb(ha->mem_ptr + IPS_REG_HISR);
4840 if (Isr & IPS_BIT_GHI)
4841 break;
4842
4843 /* Delay for 1 Second */
bf471341 4844 MDELAY(IPS_ONE_SEC);
1da177e4
LT		 4845 }
4846
4847 if (j >= 240)
4848 /* error occurred */
4849 return (0);
4850
4851 ConfigByte[i] = readb(ha->mem_ptr + IPS_REG_ISPR);
4852 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
4853 }
4854
4855 for (i = 0; i < 240; i++) {
4856 Cbsp = readb(ha->mem_ptr + IPS_REG_CBSP);
4857
4858 if ((Cbsp & IPS_BIT_OP) == 0)
4859 break;
4860
4861 /* Delay for 1 Second */
bf471341 4862 MDELAY(IPS_ONE_SEC);
1da177e4
LT		 4863 }
4864
4865 if (i >= 240)
4866 /* error occurred */
4867 return (0);
4868
4869 /* setup CCCR */
4870 writel(0x1010, ha->mem_ptr + IPS_REG_CCCR);
4871
4872 /* Enable busmastering */
4873 writeb(IPS_BIT_EBM, ha->mem_ptr + IPS_REG_SCPR);
4874
8a694cc8 4875 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 4876 /* fix for anaconda64 */
4877 writel(0, ha->mem_ptr + IPS_REG_NDAE);
4878
4879 /* Enable interrupts */
4880 writeb(IPS_BIT_EI, ha->mem_ptr + IPS_REG_HISR);
4881
4882 /* if we get here then everything went OK */
4883 return (1);
4884}
4885
4886/****************************************************************************/
4887/* */
4888/* Routine Name: ips_init_morpheus */
4889/* */
4890/* Routine Description: */
4891/* */
4892/* Initialize a morpheus controller */
4893/* */
4894/****************************************************************************/
4895static int
4896ips_init_morpheus(ips_ha_t * ha)
4897{
4898 uint32_t Post;
4899 uint32_t Config;
4900 uint32_t Isr;
4901 uint32_t Oimr;
4902 int i;
4903
4904 METHOD_TRACE("ips_init_morpheus", 1);
4905
4906 /* Wait up to 45 secs for Post */
4907 for (i = 0; i < 45; i++) {
4908 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
4909
4910 if (Isr & IPS_BIT_I960_MSG0I)
4911 break;
4912
4913 /* Delay for 1 Second */
bf471341 4914 MDELAY(IPS_ONE_SEC);
1da177e4
LT		 4915 }
4916
4917 if (i >= 45) {
4918 /* error occurred */
4919 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4920 "timeout waiting for post.\n");
4921
4922 return (0);
4923 }
4924
4925 Post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
4926
4927 if (Post == 0x4F00) { /* If Flashing the Battery PIC */
4928 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4929 "Flashing Battery PIC, Please wait ...\n");
4930
4931 /* Clear the interrupt bit */
4932 Isr = (uint32_t) IPS_BIT_I960_MSG0I;
4933 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
4934
4935 for (i = 0; i < 120; i++) { /* Wait Up to 2 Min. for Completion */
4936 Post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
4937 if (Post != 0x4F00)
4938 break;
4939 /* Delay for 1 Second */
bf471341 4940 MDELAY(IPS_ONE_SEC);
1da177e4
LT		 4941 }
4942
4943 if (i >= 120) {
4944 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4945 "timeout waiting for Battery PIC Flash\n");
4946 return (0);
4947 }
4948
4949 }
4950
4951 /* Clear the interrupt bit */
4952 Isr = (uint32_t) IPS_BIT_I960_MSG0I;
4953 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
4954
4955 if (Post < (IPS_GOOD_POST_STATUS << 8)) {
4956 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4957 "reset controller fails (post status %x).\n", Post);
4958
4959 return (0);
4960 }
4961
4962 /* Wait up to 240 secs for config bytes */
4963 for (i = 0; i < 240; i++) {
4964 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
4965
4966 if (Isr & IPS_BIT_I960_MSG1I)
4967 break;
4968
4969 /* Delay for 1 Second */
bf471341 4970 MDELAY(IPS_ONE_SEC);
1da177e4
LT		 4971 }
4972
4973 if (i >= 240) {
4974 /* error occurred */
4975 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4976 "timeout waiting for config.\n");
4977
4978 return (0);
4979 }
4980
4981 Config = readl(ha->mem_ptr + IPS_REG_I960_MSG1);
4982
4983 /* Clear interrupt bit */
4984 Isr = (uint32_t) IPS_BIT_I960_MSG1I;
4985 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
4986
4987 /* Turn on the interrupts */
4988 Oimr = readl(ha->mem_ptr + IPS_REG_I960_OIMR);
4989 Oimr &= ~0x8;
4990 writel(Oimr, ha->mem_ptr + IPS_REG_I960_OIMR);
4991
4992 /* if we get here then everything went OK */
4993
4994 /* Since we did a RESET, an EraseStripeLock may be needed */
4995 if (Post == 0xEF10) {
4996 if ((Config == 0x000F) || (Config == 0x0009))
4997 ha->requires_esl = 1;
4998 }
4999
5000 return (1);
5001}
5002
5003/****************************************************************************/
5004/* */
5005/* Routine Name: ips_reset_copperhead */
5006/* */
5007/* Routine Description: */
5008/* */
5009/* Reset the controller */
5010/* */
5011/****************************************************************************/
5012static int
5013ips_reset_copperhead(ips_ha_t * ha)
5014{
5015 int reset_counter;
5016
5017 METHOD_TRACE("ips_reset_copperhead", 1);
5018
5019 DEBUG_VAR(1, "(%s%d) ips_reset_copperhead: io addr: %x, irq: %d",
8a694cc8 5020 ips_name, ha->host_num, ha->io_addr, ha->pcidev->irq);
1da177e4
LT		 5021
5022 reset_counter = 0;
5023
5024 while (reset_counter < 2) {
5025 reset_counter++;
5026
5027 outb(IPS_BIT_RST, ha->io_addr + IPS_REG_SCPR);
5028
5029 /* Delay for 1 Second */
bf471341 5030 MDELAY(IPS_ONE_SEC);
1da177e4
LT		 5031
5032 outb(0, ha->io_addr + IPS_REG_SCPR);
5033
5034 /* Delay for 1 Second */
bf471341 5035 MDELAY(IPS_ONE_SEC);
1da177e4
LT		 5036
5037 if ((*ha->func.init) (ha))
5038 break;
5039 else if (reset_counter >= 2) {
5040
5041 return (0);
5042 }
5043 }
5044
5045 return (1);
5046}
5047
5048/****************************************************************************/
5049/* */
5050/* Routine Name: ips_reset_copperhead_memio */
5051/* */
5052/* Routine Description: */
5053/* */
5054/* Reset the controller */
5055/* */
5056/****************************************************************************/
5057static int
5058ips_reset_copperhead_memio(ips_ha_t * ha)
5059{
5060 int reset_counter;
5061
5062 METHOD_TRACE("ips_reset_copperhead_memio", 1);
5063
5064 DEBUG_VAR(1, "(%s%d) ips_reset_copperhead_memio: mem addr: %x, irq: %d",
8a694cc8 5065 ips_name, ha->host_num, ha->mem_addr, ha->pcidev->irq);
1da177e4
LT		 5066
5067 reset_counter = 0;
5068
5069 while (reset_counter < 2) {
5070 reset_counter++;
5071
5072 writeb(IPS_BIT_RST, ha->mem_ptr + IPS_REG_SCPR);
5073
5074 /* Delay for 1 Second */
bf471341 5075 MDELAY(IPS_ONE_SEC);
1da177e4
LT		 5076
5077 writeb(0, ha->mem_ptr + IPS_REG_SCPR);
5078
5079 /* Delay for 1 Second */
bf471341 5080 MDELAY(IPS_ONE_SEC);
1da177e4
LT		 5081
5082 if ((*ha->func.init) (ha))
5083 break;
5084 else if (reset_counter >= 2) {
5085
5086 return (0);
5087 }
5088 }
5089
5090 return (1);
5091}
5092
5093/****************************************************************************/
5094/* */
5095/* Routine Name: ips_reset_morpheus */
5096/* */
5097/* Routine Description: */
5098/* */
5099/* Reset the controller */
5100/* */
5101/****************************************************************************/
5102static int
5103ips_reset_morpheus(ips_ha_t * ha)
5104{
5105 int reset_counter;
5106 uint8_t junk;
5107
5108 METHOD_TRACE("ips_reset_morpheus", 1);
5109
5110 DEBUG_VAR(1, "(%s%d) ips_reset_morpheus: mem addr: %x, irq: %d",
8a694cc8 5111 ips_name, ha->host_num, ha->mem_addr, ha->pcidev->irq);
1da177e4
LT		 5112
5113 reset_counter = 0;
5114
5115 while (reset_counter < 2) {
5116 reset_counter++;
5117
5118 writel(0x80000000, ha->mem_ptr + IPS_REG_I960_IDR);
5119
5120 /* Delay for 5 Seconds */
bf471341 5121 MDELAY(5 * IPS_ONE_SEC);
1da177e4
LT		 5122
5123 /* Do a PCI config read to wait for adapter */
5124 pci_read_config_byte(ha->pcidev, 4, &junk);
5125
5126 if ((*ha->func.init) (ha))
5127 break;
5128 else if (reset_counter >= 2) {
5129
5130 return (0);
5131 }
5132 }
5133
5134 return (1);
5135}
5136
5137/****************************************************************************/
5138/* */
5139/* Routine Name: ips_statinit */
5140/* */
5141/* Routine Description: */
5142/* */
5143/* Initialize the status queues on the controller */
5144/* */
5145/****************************************************************************/
5146static void
5147ips_statinit(ips_ha_t * ha)
5148{
5149 uint32_t phys_status_start;
5150
5151 METHOD_TRACE("ips_statinit", 1);
5152
5153 ha->adapt->p_status_start = ha->adapt->status;
5154 ha->adapt->p_status_end = ha->adapt->status + IPS_MAX_CMDS;
5155 ha->adapt->p_status_tail = ha->adapt->status;
5156
5157 phys_status_start = ha->adapt->hw_status_start;
db3cc200
JB		 5158 outl(phys_status_start, ha->io_addr + IPS_REG_SQSR);
5159 outl(phys_status_start + IPS_STATUS_Q_SIZE,
1da177e4 5160 ha->io_addr + IPS_REG_SQER);
db3cc200 5161 outl(phys_status_start + IPS_STATUS_SIZE,
1da177e4 5162 ha->io_addr + IPS_REG_SQHR);
db3cc200 5163 outl(phys_status_start, ha->io_addr + IPS_REG_SQTR);
1da177e4
LT		 5164
5165 ha->adapt->hw_status_tail = phys_status_start;
5166}
5167
5168/****************************************************************************/
5169/* */
5170/* Routine Name: ips_statinit_memio */
5171/* */
5172/* Routine Description: */
5173/* */
5174/* Initialize the status queues on the controller */
5175/* */
5176/****************************************************************************/
5177static void
5178ips_statinit_memio(ips_ha_t * ha)
5179{
5180 uint32_t phys_status_start;
5181
5182 METHOD_TRACE("ips_statinit_memio", 1);
5183
5184 ha->adapt->p_status_start = ha->adapt->status;
5185 ha->adapt->p_status_end = ha->adapt->status + IPS_MAX_CMDS;
5186 ha->adapt->p_status_tail = ha->adapt->status;
5187
5188 phys_status_start = ha->adapt->hw_status_start;
5189 writel(phys_status_start, ha->mem_ptr + IPS_REG_SQSR);
5190 writel(phys_status_start + IPS_STATUS_Q_SIZE,
5191 ha->mem_ptr + IPS_REG_SQER);
5192 writel(phys_status_start + IPS_STATUS_SIZE, ha->mem_ptr + IPS_REG_SQHR);
5193 writel(phys_status_start, ha->mem_ptr + IPS_REG_SQTR);
5194
5195 ha->adapt->hw_status_tail = phys_status_start;
5196}
5197
5198/****************************************************************************/
5199/* */
5200/* Routine Name: ips_statupd_copperhead */
5201/* */
5202/* Routine Description: */
5203/* */
5204/* Remove an element from the status queue */
5205/* */
5206/****************************************************************************/
5207static uint32_t
5208ips_statupd_copperhead(ips_ha_t * ha)
5209{
5210 METHOD_TRACE("ips_statupd_copperhead", 1);
5211
5212 if (ha->adapt->p_status_tail != ha->adapt->p_status_end) {
5213 ha->adapt->p_status_tail++;
5214 ha->adapt->hw_status_tail += sizeof (IPS_STATUS);
5215 } else {
5216 ha->adapt->p_status_tail = ha->adapt->p_status_start;
5217 ha->adapt->hw_status_tail = ha->adapt->hw_status_start;
5218 }
5219
db3cc200 5220 outl(ha->adapt->hw_status_tail,
1da177e4
LT		 5221 ha->io_addr + IPS_REG_SQTR);
5222
5223 return (ha->adapt->p_status_tail->value);
5224}
5225
5226/****************************************************************************/
5227/* */
5228/* Routine Name: ips_statupd_copperhead_memio */
5229/* */
5230/* Routine Description: */
5231/* */
5232/* Remove an element from the status queue */
5233/* */
5234/****************************************************************************/
5235static uint32_t
5236ips_statupd_copperhead_memio(ips_ha_t * ha)
5237{
5238 METHOD_TRACE("ips_statupd_copperhead_memio", 1);
5239
5240 if (ha->adapt->p_status_tail != ha->adapt->p_status_end) {
5241 ha->adapt->p_status_tail++;
5242 ha->adapt->hw_status_tail += sizeof (IPS_STATUS);
5243 } else {
5244 ha->adapt->p_status_tail = ha->adapt->p_status_start;
5245 ha->adapt->hw_status_tail = ha->adapt->hw_status_start;
5246 }
5247
5248 writel(ha->adapt->hw_status_tail, ha->mem_ptr + IPS_REG_SQTR);
5249
5250 return (ha->adapt->p_status_tail->value);
5251}
5252
5253/****************************************************************************/
5254/* */
5255/* Routine Name: ips_statupd_morpheus */
5256/* */
5257/* Routine Description: */
5258/* */
5259/* Remove an element from the status queue */
5260/* */
5261/****************************************************************************/
5262static uint32_t
5263ips_statupd_morpheus(ips_ha_t * ha)
5264{
5265 uint32_t val;
5266
5267 METHOD_TRACE("ips_statupd_morpheus", 1);
5268
5269 val = readl(ha->mem_ptr + IPS_REG_I2O_OUTMSGQ);
5270
5271 return (val);
5272}
5273
5274/****************************************************************************/
5275/* */
5276/* Routine Name: ips_issue_copperhead */
5277/* */
5278/* Routine Description: */
5279/* */
5280/* Send a command down to the controller */
5281/* */
5282/****************************************************************************/
5283static int
5284ips_issue_copperhead(ips_ha_t * ha, ips_scb_t * scb)
5285{
5286 uint32_t TimeOut;
5287 uint32_t val;
5288
5289 METHOD_TRACE("ips_issue_copperhead", 1);
5290
5291 if (scb->scsi_cmd) {
5292 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5293 ips_name,
5294 ha->host_num,
5295 scb->cdb[0],
5296 scb->cmd.basic_io.command_id,
5297 scb->bus, scb->target_id, scb->lun);
5298 } else {
5299 DEBUG_VAR(2, KERN_NOTICE "(%s%d) ips_issue: logical cmd id %d",
5300 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5301 }
5302
5303 TimeOut = 0;
5304
5305 while ((val =
5306 le32_to_cpu(inl(ha->io_addr + IPS_REG_CCCR))) & IPS_BIT_SEM) {
5307 udelay(1000);
5308
5309 if (++TimeOut >= IPS_SEM_TIMEOUT) {
5310 if (!(val & IPS_BIT_START_STOP))
5311 break;
5312
5313 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5314 "ips_issue val [0x%x].\n", val);
5315 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5316 "ips_issue semaphore chk timeout.\n");
5317
5318 return (IPS_FAILURE);
5319 } /* end if */
5320 } /* end while */
5321
db3cc200
JB		 5322 outl(scb->scb_busaddr, ha->io_addr + IPS_REG_CCSAR);
5323 outw(IPS_BIT_START_CMD, ha->io_addr + IPS_REG_CCCR);
1da177e4
LT		 5324
5325 return (IPS_SUCCESS);
5326}
5327
5328/****************************************************************************/
5329/* */
5330/* Routine Name: ips_issue_copperhead_memio */
5331/* */
5332/* Routine Description: */
5333/* */
5334/* Send a command down to the controller */
5335/* */
5336/****************************************************************************/
5337static int
5338ips_issue_copperhead_memio(ips_ha_t * ha, ips_scb_t * scb)
5339{
5340 uint32_t TimeOut;
5341 uint32_t val;
5342
5343 METHOD_TRACE("ips_issue_copperhead_memio", 1);
5344
5345 if (scb->scsi_cmd) {
5346 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5347 ips_name,
5348 ha->host_num,
5349 scb->cdb[0],
5350 scb->cmd.basic_io.command_id,
5351 scb->bus, scb->target_id, scb->lun);
5352 } else {
5353 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5354 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5355 }
5356
5357 TimeOut = 0;
5358
5359 while ((val = readl(ha->mem_ptr + IPS_REG_CCCR)) & IPS_BIT_SEM) {
5360 udelay(1000);
5361
5362 if (++TimeOut >= IPS_SEM_TIMEOUT) {
5363 if (!(val & IPS_BIT_START_STOP))
5364 break;
5365
5366 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5367 "ips_issue val [0x%x].\n", val);
5368 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5369 "ips_issue semaphore chk timeout.\n");
5370
5371 return (IPS_FAILURE);
5372 } /* end if */
5373 } /* end while */
5374
5375 writel(scb->scb_busaddr, ha->mem_ptr + IPS_REG_CCSAR);
5376 writel(IPS_BIT_START_CMD, ha->mem_ptr + IPS_REG_CCCR);
5377
5378 return (IPS_SUCCESS);
5379}
5380
5381/****************************************************************************/
5382/* */
5383/* Routine Name: ips_issue_i2o */
5384/* */
5385/* Routine Description: */
5386/* */
5387/* Send a command down to the controller */
5388/* */
5389/****************************************************************************/
5390static int
5391ips_issue_i2o(ips_ha_t * ha, ips_scb_t * scb)
5392{
5393
5394 METHOD_TRACE("ips_issue_i2o", 1);
5395
5396 if (scb->scsi_cmd) {
5397 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5398 ips_name,
5399 ha->host_num,
5400 scb->cdb[0],
5401 scb->cmd.basic_io.command_id,
5402 scb->bus, scb->target_id, scb->lun);
5403 } else {
5404 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5405 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5406 }
5407
db3cc200 5408 outl(scb->scb_busaddr, ha->io_addr + IPS_REG_I2O_INMSGQ);
1da177e4
LT		 5409
5410 return (IPS_SUCCESS);
5411}
5412
5413/****************************************************************************/
5414/* */
5415/* Routine Name: ips_issue_i2o_memio */
5416/* */
5417/* Routine Description: */
5418/* */
5419/* Send a command down to the controller */
5420/* */
5421/****************************************************************************/
5422static int
5423ips_issue_i2o_memio(ips_ha_t * ha, ips_scb_t * scb)
5424{
5425
5426 METHOD_TRACE("ips_issue_i2o_memio", 1);
5427
5428 if (scb->scsi_cmd) {
5429 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5430 ips_name,
5431 ha->host_num,
5432 scb->cdb[0],
5433 scb->cmd.basic_io.command_id,
5434 scb->bus, scb->target_id, scb->lun);
5435 } else {
5436 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5437 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5438 }
5439
5440 writel(scb->scb_busaddr, ha->mem_ptr + IPS_REG_I2O_INMSGQ);
5441
5442 return (IPS_SUCCESS);
5443}
5444
5445/****************************************************************************/
5446/* */
5447/* Routine Name: ips_isintr_copperhead */
5448/* */
5449/* Routine Description: */
5450/* */
5451/* Test to see if an interrupt is for us */
5452/* */
5453/****************************************************************************/
5454static int
5455ips_isintr_copperhead(ips_ha_t * ha)
5456{
5457 uint8_t Isr;
5458
5459 METHOD_TRACE("ips_isintr_copperhead", 2);
5460
5461 Isr = inb(ha->io_addr + IPS_REG_HISR);
5462
5463 if (Isr == 0xFF)
5464 /* ?!?! Nothing really there */
5465 return (0);
5466
5467 if (Isr & IPS_BIT_SCE)
5468 return (1);
5469 else if (Isr & (IPS_BIT_SQO | IPS_BIT_GHI)) {
5470 /* status queue overflow or GHI */
5471 /* just clear the interrupt */
5472 outb(Isr, ha->io_addr + IPS_REG_HISR);
5473 }
5474
5475 return (0);
5476}
5477
5478/****************************************************************************/
5479/* */
5480/* Routine Name: ips_isintr_copperhead_memio */
5481/* */
5482/* Routine Description: */
5483/* */
5484/* Test to see if an interrupt is for us */
5485/* */
5486/****************************************************************************/
5487static int
5488ips_isintr_copperhead_memio(ips_ha_t * ha)
5489{
5490 uint8_t Isr;
5491
5492 METHOD_TRACE("ips_isintr_memio", 2);
5493
5494 Isr = readb(ha->mem_ptr + IPS_REG_HISR);
5495
5496 if (Isr == 0xFF)
5497 /* ?!?! Nothing really there */
5498 return (0);
5499
5500 if (Isr & IPS_BIT_SCE)
5501 return (1);
5502 else if (Isr & (IPS_BIT_SQO | IPS_BIT_GHI)) {
5503 /* status queue overflow or GHI */
5504 /* just clear the interrupt */
5505 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
5506 }
5507
5508 return (0);
5509}
5510
5511/****************************************************************************/
5512/* */
5513/* Routine Name: ips_isintr_morpheus */
5514/* */
5515/* Routine Description: */
5516/* */
5517/* Test to see if an interrupt is for us */
5518/* */
5519/****************************************************************************/
5520static int
5521ips_isintr_morpheus(ips_ha_t * ha)
5522{
5523 uint32_t Isr;
5524
5525 METHOD_TRACE("ips_isintr_morpheus", 2);
5526
5527 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
5528
5529 if (Isr & IPS_BIT_I2O_OPQI)
5530 return (1);
5531 else
5532 return (0);
5533}
5534
5535/****************************************************************************/
5536/* */
5537/* Routine Name: ips_wait */
5538/* */
5539/* Routine Description: */
5540/* */
5541/* Wait for a command to complete */
5542/* */
5543/****************************************************************************/
5544static int
5545ips_wait(ips_ha_t * ha, int time, int intr)
5546{
5547 int ret;
5548 int done;
5549
5550 METHOD_TRACE("ips_wait", 1);
5551
5552 ret = IPS_FAILURE;
5553 done = FALSE;
5554
5555 time *= IPS_ONE_SEC; /* convert seconds */
5556
5557 while ((time > 0) && (!done)) {
5558 if (intr == IPS_INTR_ON) {
5559 if (ha->waitflag == FALSE) {
5560 ret = IPS_SUCCESS;
5561 done = TRUE;
5562 break;
5563 }
5564 } else if (intr == IPS_INTR_IORL) {
5565 if (ha->waitflag == FALSE) {
5566 /*
5567 * controller generated an interrupt to
5568 * acknowledge completion of the command
5569 * and ips_intr() has serviced the interrupt.
5570 */
5571 ret = IPS_SUCCESS;
5572 done = TRUE;
5573 break;
5574 }
5575
5576 /*
5577 * NOTE: we already have the io_request_lock so
5578 * even if we get an interrupt it won't get serviced
5579 * until after we finish.
5580 */
5581
5582 (*ha->func.intr) (ha);
5583 }
5584
5585 /* This looks like a very evil loop, but it only does this during start-up */
5586 udelay(1000);
5587 time--;
5588 }
5589
5590 return (ret);
5591}
5592
5593/****************************************************************************/
5594/* */
5595/* Routine Name: ips_write_driver_status */
5596/* */
5597/* Routine Description: */
5598/* */
5599/* Write OS/Driver version to Page 5 of the nvram on the controller */
5600/* */
5601/****************************************************************************/
5602static int
5603ips_write_driver_status(ips_ha_t * ha, int intr)
5604{
5605 METHOD_TRACE("ips_write_driver_status", 1);
5606
5607 if (!ips_readwrite_page5(ha, FALSE, intr)) {
5608 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5609 "unable to read NVRAM page 5.\n");
5610
5611 return (0);
5612 }
5613
5614 /* check to make sure the page has a valid */
5615 /* signature */
5616 if (le32_to_cpu(ha->nvram->signature) != IPS_NVRAM_P5_SIG) {
5617 DEBUG_VAR(1,
5618 "(%s%d) NVRAM page 5 has an invalid signature: %X.",
5619 ips_name, ha->host_num, ha->nvram->signature);
5620 ha->nvram->signature = IPS_NVRAM_P5_SIG;
5621 }
5622
5623 DEBUG_VAR(2,
5624 "(%s%d) Ad Type: %d, Ad Slot: %d, BIOS: %c%c%c%c %c%c%c%c.",
5625 ips_name, ha->host_num, le16_to_cpu(ha->nvram->adapter_type),
5626 ha->nvram->adapter_slot, ha->nvram->bios_high[0],
5627 ha->nvram->bios_high[1], ha->nvram->bios_high[2],
5628 ha->nvram->bios_high[3], ha->nvram->bios_low[0],
5629 ha->nvram->bios_low[1], ha->nvram->bios_low[2],
5630 ha->nvram->bios_low[3]);
5631
5632 ips_get_bios_version(ha, intr);
5633
5634 /* change values (as needed) */
5635 ha->nvram->operating_system = IPS_OS_LINUX;
5636 ha->nvram->adapter_type = ha->ad_type;
5637 strncpy((char *) ha->nvram->driver_high, IPS_VERSION_HIGH, 4);
5638 strncpy((char *) ha->nvram->driver_low, IPS_VERSION_LOW, 4);
5639 strncpy((char *) ha->nvram->bios_high, ha->bios_version, 4);
5640 strncpy((char *) ha->nvram->bios_low, ha->bios_version + 4, 4);
5641
a60768e2 5642 ha->nvram->versioning = 0; /* Indicate the Driver Does Not Support Versioning */
1da177e4
LT		 5643
5644 /* now update the page */
5645 if (!ips_readwrite_page5(ha, TRUE, intr)) {
5646 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5647 "unable to write NVRAM page 5.\n");
5648
5649 return (0);
5650 }
5651
5652 /* IF NVRAM Page 5 is OK, Use it for Slot Number Info Because Linux Doesn't Do Slots */
5653 ha->slot_num = ha->nvram->adapter_slot;
5654
5655 return (1);
5656}
5657
5658/****************************************************************************/
5659/* */
5660/* Routine Name: ips_read_adapter_status */
5661/* */
5662/* Routine Description: */
5663/* */
5664/* Do an Inquiry command to the adapter */
5665/* */
5666/****************************************************************************/
5667static int
5668ips_read_adapter_status(ips_ha_t * ha, int intr)
5669{
5670 ips_scb_t *scb;
5671 int ret;
5672
5673 METHOD_TRACE("ips_read_adapter_status", 1);
5674
5675 scb = &ha->scbs[ha->max_cmds - 1];
5676
5677 ips_init_scb(ha, scb);
5678
5679 scb->timeout = ips_cmd_timeout;
5680 scb->cdb[0] = IPS_CMD_ENQUIRY;
5681
5682 scb->cmd.basic_io.op_code = IPS_CMD_ENQUIRY;
5683 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5684 scb->cmd.basic_io.sg_count = 0;
5685 scb->cmd.basic_io.lba = 0;
5686 scb->cmd.basic_io.sector_count = 0;
5687 scb->cmd.basic_io.log_drv = 0;
5688 scb->data_len = sizeof (*ha->enq);
5689 scb->cmd.basic_io.sg_addr = ha->enq_busaddr;
5690
5691 /* send command */
5692 if (((ret =
5693 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5694 || (ret == IPS_SUCCESS_IMM)
5695 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5696 return (0);
5697
5698 return (1);
5699}
5700
5701/****************************************************************************/
5702/* */
5703/* Routine Name: ips_read_subsystem_parameters */
5704/* */
5705/* Routine Description: */
5706/* */
5707/* Read subsystem parameters from the adapter */
5708/* */
5709/****************************************************************************/
5710static int
5711ips_read_subsystem_parameters(ips_ha_t * ha, int intr)
5712{
5713 ips_scb_t *scb;
5714 int ret;
5715
5716 METHOD_TRACE("ips_read_subsystem_parameters", 1);
5717
5718 scb = &ha->scbs[ha->max_cmds - 1];
5719
5720 ips_init_scb(ha, scb);
5721
5722 scb->timeout = ips_cmd_timeout;
5723 scb->cdb[0] = IPS_CMD_GET_SUBSYS;
5724
5725 scb->cmd.basic_io.op_code = IPS_CMD_GET_SUBSYS;
5726 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5727 scb->cmd.basic_io.sg_count = 0;
5728 scb->cmd.basic_io.lba = 0;
5729 scb->cmd.basic_io.sector_count = 0;
5730 scb->cmd.basic_io.log_drv = 0;
5731 scb->data_len = sizeof (*ha->subsys);
5732 scb->cmd.basic_io.sg_addr = ha->ioctl_busaddr;
5733
5734 /* send command */
5735 if (((ret =
5736 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5737 || (ret == IPS_SUCCESS_IMM)
5738 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5739 return (0);
5740
5741 memcpy(ha->subsys, ha->ioctl_data, sizeof(*ha->subsys));
5742 return (1);
5743}
5744
5745/****************************************************************************/
5746/* */
5747/* Routine Name: ips_read_config */
5748/* */
5749/* Routine Description: */
5750/* */
5751/* Read the configuration on the adapter */
5752/* */
5753/****************************************************************************/
5754static int
5755ips_read_config(ips_ha_t * ha, int intr)
5756{
5757 ips_scb_t *scb;
5758 int i;
5759 int ret;
5760
5761 METHOD_TRACE("ips_read_config", 1);
5762
5763 /* set defaults for initiator IDs */
5764 for (i = 0; i < 4; i++)
5765 ha->conf->init_id[i] = 7;
5766
5767 scb = &ha->scbs[ha->max_cmds - 1];
5768
5769 ips_init_scb(ha, scb);
5770
5771 scb->timeout = ips_cmd_timeout;
5772 scb->cdb[0] = IPS_CMD_READ_CONF;
5773
5774 scb->cmd.basic_io.op_code = IPS_CMD_READ_CONF;
5775 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5776 scb->data_len = sizeof (*ha->conf);
5777 scb->cmd.basic_io.sg_addr = ha->ioctl_busaddr;
5778
5779 /* send command */
5780 if (((ret =
5781 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5782 || (ret == IPS_SUCCESS_IMM)
5783 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) {
5784
5785 memset(ha->conf, 0, sizeof (IPS_CONF));
5786
5787 /* reset initiator IDs */
5788 for (i = 0; i < 4; i++)
5789 ha->conf->init_id[i] = 7;
5790
5791 /* Allow Completed with Errors, so JCRM can access the Adapter to fix the problems */
5792 if ((scb->basic_status & IPS_GSC_STATUS_MASK) ==
5793 IPS_CMD_CMPLT_WERROR)
5794 return (1);
5795
5796 return (0);
5797 }
2f277d6a 5798
1da177e4
LT		 5799 memcpy(ha->conf, ha->ioctl_data, sizeof(*ha->conf));
5800 return (1);
5801}
5802
5803/****************************************************************************/
5804/* */
5805/* Routine Name: ips_readwrite_page5 */
5806/* */
5807/* Routine Description: */
5808/* */
5809/* Read nvram page 5 from the adapter */
5810/* */
5811/****************************************************************************/
5812static int
5813ips_readwrite_page5(ips_ha_t * ha, int write, int intr)
5814{
5815 ips_scb_t *scb;
5816 int ret;
5817
5818 METHOD_TRACE("ips_readwrite_page5", 1);
5819
5820 scb = &ha->scbs[ha->max_cmds - 1];
5821
5822 ips_init_scb(ha, scb);
5823
5824 scb->timeout = ips_cmd_timeout;
5825 scb->cdb[0] = IPS_CMD_RW_NVRAM_PAGE;
5826
5827 scb->cmd.nvram.op_code = IPS_CMD_RW_NVRAM_PAGE;
5828 scb->cmd.nvram.command_id = IPS_COMMAND_ID(ha, scb);
5829 scb->cmd.nvram.page = 5;
5830 scb->cmd.nvram.write = write;
5831 scb->cmd.nvram.reserved = 0;
5832 scb->cmd.nvram.reserved2 = 0;
5833 scb->data_len = sizeof (*ha->nvram);
5834 scb->cmd.nvram.buffer_addr = ha->ioctl_busaddr;
5835 if (write)
5836 memcpy(ha->ioctl_data, ha->nvram, sizeof(*ha->nvram));
2f277d6a 5837
1da177e4
LT		 5838 /* issue the command */
5839 if (((ret =
5840 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5841 || (ret == IPS_SUCCESS_IMM)
5842 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) {
5843
5844 memset(ha->nvram, 0, sizeof (IPS_NVRAM_P5));
5845
5846 return (0);
5847 }
5848 if (!write)
5849 memcpy(ha->nvram, ha->ioctl_data, sizeof(*ha->nvram));
5850 return (1);
5851}
5852
5853/****************************************************************************/
5854/* */
5855/* Routine Name: ips_clear_adapter */
5856/* */
5857/* Routine Description: */
5858/* */
5859/* Clear the stripe lock tables */
5860/* */
5861/****************************************************************************/
5862static int
5863ips_clear_adapter(ips_ha_t * ha, int intr)
5864{
5865 ips_scb_t *scb;
5866 int ret;
5867
5868 METHOD_TRACE("ips_clear_adapter", 1);
5869
5870 scb = &ha->scbs[ha->max_cmds - 1];
5871
5872 ips_init_scb(ha, scb);
5873
5874 scb->timeout = ips_reset_timeout;
5875 scb->cdb[0] = IPS_CMD_CONFIG_SYNC;
5876
5877 scb->cmd.config_sync.op_code = IPS_CMD_CONFIG_SYNC;
5878 scb->cmd.config_sync.command_id = IPS_COMMAND_ID(ha, scb);
5879 scb->cmd.config_sync.channel = 0;
5880 scb->cmd.config_sync.source_target = IPS_POCL;
5881 scb->cmd.config_sync.reserved = 0;
5882 scb->cmd.config_sync.reserved2 = 0;
5883 scb->cmd.config_sync.reserved3 = 0;
5884
5885 /* issue command */
5886 if (((ret =
5887 ips_send_wait(ha, scb, ips_reset_timeout, intr)) == IPS_FAILURE)
5888 || (ret == IPS_SUCCESS_IMM)
5889 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5890 return (0);
5891
5892 /* send unlock stripe command */
5893 ips_init_scb(ha, scb);
5894
5895 scb->cdb[0] = IPS_CMD_ERROR_TABLE;
5896 scb->timeout = ips_reset_timeout;
5897
5898 scb->cmd.unlock_stripe.op_code = IPS_CMD_ERROR_TABLE;
5899 scb->cmd.unlock_stripe.command_id = IPS_COMMAND_ID(ha, scb);
5900 scb->cmd.unlock_stripe.log_drv = 0;
5901 scb->cmd.unlock_stripe.control = IPS_CSL;
5902 scb->cmd.unlock_stripe.reserved = 0;
5903 scb->cmd.unlock_stripe.reserved2 = 0;
5904 scb->cmd.unlock_stripe.reserved3 = 0;
5905
5906 /* issue command */
5907 if (((ret =
5908 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5909 || (ret == IPS_SUCCESS_IMM)
5910 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5911 return (0);
5912
5913 return (1);
5914}
5915
5916/****************************************************************************/
5917/* */
5918/* Routine Name: ips_ffdc_reset */
5919/* */
5920/* Routine Description: */
5921/* */
5922/* FFDC: write reset info */
5923/* */
5924/****************************************************************************/
5925static void
5926ips_ffdc_reset(ips_ha_t * ha, int intr)
5927{
5928 ips_scb_t *scb;
5929
5930 METHOD_TRACE("ips_ffdc_reset", 1);
5931
5932 scb = &ha->scbs[ha->max_cmds - 1];
5933
5934 ips_init_scb(ha, scb);
5935
5936 scb->timeout = ips_cmd_timeout;
5937 scb->cdb[0] = IPS_CMD_FFDC;
5938 scb->cmd.ffdc.op_code = IPS_CMD_FFDC;
5939 scb->cmd.ffdc.command_id = IPS_COMMAND_ID(ha, scb);
5940 scb->cmd.ffdc.reset_count = ha->reset_count;
5941 scb->cmd.ffdc.reset_type = 0x80;
5942
5943 /* convert time to what the card wants */
5944 ips_fix_ffdc_time(ha, scb, ha->last_ffdc);
5945
5946 /* issue command */
5947 ips_send_wait(ha, scb, ips_cmd_timeout, intr);
5948}
5949
5950/****************************************************************************/
5951/* */
5952/* Routine Name: ips_ffdc_time */
5953/* */
5954/* Routine Description: */
5955/* */
5956/* FFDC: write time info */
5957/* */
5958/****************************************************************************/
5959static void
5960ips_ffdc_time(ips_ha_t * ha)
5961{
5962 ips_scb_t *scb;
5963
5964 METHOD_TRACE("ips_ffdc_time", 1);
5965
5966 DEBUG_VAR(1, "(%s%d) Sending time update.", ips_name, ha->host_num);
5967
5968 scb = &ha->scbs[ha->max_cmds - 1];
5969
5970 ips_init_scb(ha, scb);
5971
5972 scb->timeout = ips_cmd_timeout;
5973 scb->cdb[0] = IPS_CMD_FFDC;
5974 scb->cmd.ffdc.op_code = IPS_CMD_FFDC;
5975 scb->cmd.ffdc.command_id = IPS_COMMAND_ID(ha, scb);
5976 scb->cmd.ffdc.reset_count = 0;
5977 scb->cmd.ffdc.reset_type = 0;
5978
5979 /* convert time to what the card wants */
5980 ips_fix_ffdc_time(ha, scb, ha->last_ffdc);
5981
5982 /* issue command */
5983 ips_send_wait(ha, scb, ips_cmd_timeout, IPS_FFDC);
5984}
5985
5986/****************************************************************************/
5987/* */
5988/* Routine Name: ips_fix_ffdc_time */
5989/* */
5990/* Routine Description: */
5991/* Adjust time_t to what the card wants */
5992/* */
5993/****************************************************************************/
5994static void
5995ips_fix_ffdc_time(ips_ha_t * ha, ips_scb_t * scb, time_t current_time)
5996{
5997 long days;
5998 long rem;
5999 int i;
6000 int year;
6001 int yleap;
6002 int year_lengths[2] = { IPS_DAYS_NORMAL_YEAR, IPS_DAYS_LEAP_YEAR };
6003 int month_lengths[12][2] = { {31, 31},
6004 {28, 29},
6005 {31, 31},
6006 {30, 30},
6007 {31, 31},
6008 {30, 30},
6009 {31, 31},
6010 {31, 31},
6011 {30, 30},
6012 {31, 31},
6013 {30, 30},
6014 {31, 31}
6015 };
6016
6017 METHOD_TRACE("ips_fix_ffdc_time", 1);
6018
6019 days = current_time / IPS_SECS_DAY;
6020 rem = current_time % IPS_SECS_DAY;
6021
6022 scb->cmd.ffdc.hour = (rem / IPS_SECS_HOUR);
6023 rem = rem % IPS_SECS_HOUR;
6024 scb->cmd.ffdc.minute = (rem / IPS_SECS_MIN);
6025 scb->cmd.ffdc.second = (rem % IPS_SECS_MIN);
6026
6027 year = IPS_EPOCH_YEAR;
6028 while (days < 0 || days >= year_lengths[yleap = IPS_IS_LEAP_YEAR(year)]) {
6029 int newy;
6030
6031 newy = year + (days / IPS_DAYS_NORMAL_YEAR);
6032 if (days < 0)
6033 --newy;
6034 days -= (newy - year) * IPS_DAYS_NORMAL_YEAR +
6035 IPS_NUM_LEAP_YEARS_THROUGH(newy - 1) -
6036 IPS_NUM_LEAP_YEARS_THROUGH(year - 1);
6037 year = newy;
6038 }
6039
6040 scb->cmd.ffdc.yearH = year / 100;
6041 scb->cmd.ffdc.yearL = year % 100;
6042
6043 for (i = 0; days >= month_lengths[i][yleap]; ++i)
6044 days -= month_lengths[i][yleap];
6045
6046 scb->cmd.ffdc.month = i + 1;
6047 scb->cmd.ffdc.day = days + 1;
6048}
6049
6050/****************************************************************************
6051 * BIOS Flash Routines *
6052 ****************************************************************************/
6053
6054/****************************************************************************/
6055/* */
6056/* Routine Name: ips_erase_bios */
6057/* */
6058/* Routine Description: */
6059/* Erase the BIOS on the adapter */
6060/* */
6061/****************************************************************************/
6062static int
6063ips_erase_bios(ips_ha_t * ha)
6064{
6065 int timeout;
6066 uint8_t status = 0;
6067
6068 METHOD_TRACE("ips_erase_bios", 1);
6069
6070 status = 0;
6071
6072 /* Clear the status register */
6073 outl(0, ha->io_addr + IPS_REG_FLAP);
8a694cc8 6074 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6075 udelay(25); /* 25 us */
6076
6077 outb(0x50, ha->io_addr + IPS_REG_FLDP);
8a694cc8 6078 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6079 udelay(25); /* 25 us */
6080
6081 /* Erase Setup */
6082 outb(0x20, ha->io_addr + IPS_REG_FLDP);
8a694cc8 6083 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6084 udelay(25); /* 25 us */
6085
6086 /* Erase Confirm */
6087 outb(0xD0, ha->io_addr + IPS_REG_FLDP);
8a694cc8 6088 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6089 udelay(25); /* 25 us */
6090
6091 /* Erase Status */
6092 outb(0x70, ha->io_addr + IPS_REG_FLDP);
8a694cc8 6093 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6094 udelay(25); /* 25 us */
6095
6096 timeout = 80000; /* 80 seconds */
6097
6098 while (timeout > 0) {
8a694cc8 6099 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
1da177e4
LT		 6100 outl(0, ha->io_addr + IPS_REG_FLAP);
6101 udelay(25); /* 25 us */
6102 }
6103
6104 status = inb(ha->io_addr + IPS_REG_FLDP);
6105
6106 if (status & 0x80)
6107 break;
6108
6109 MDELAY(1);
6110 timeout--;
6111 }
6112
6113 /* check for timeout */
6114 if (timeout <= 0) {
6115 /* timeout */
6116
6117 /* try to suspend the erase */
6118 outb(0xB0, ha->io_addr + IPS_REG_FLDP);
8a694cc8 6119 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6120 udelay(25); /* 25 us */
6121
6122 /* wait for 10 seconds */
6123 timeout = 10000;
6124 while (timeout > 0) {
8a694cc8 6125 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
1da177e4
LT		 6126 outl(0, ha->io_addr + IPS_REG_FLAP);
6127 udelay(25); /* 25 us */
6128 }
6129
6130 status = inb(ha->io_addr + IPS_REG_FLDP);
6131
6132 if (status & 0xC0)
6133 break;
6134
6135 MDELAY(1);
6136 timeout--;
6137 }
6138
6139 return (1);
6140 }
6141
6142 /* check for valid VPP */
6143 if (status & 0x08)
6144 /* VPP failure */
6145 return (1);
6146
d6e05edc 6147 /* check for successful flash */
1da177e4
LT		 6148 if (status & 0x30)
6149 /* sequence error */
6150 return (1);
6151
6152 /* Otherwise, we were successful */
6153 /* clear status */
6154 outb(0x50, ha->io_addr + IPS_REG_FLDP);
8a694cc8 6155 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6156 udelay(25); /* 25 us */
6157
6158 /* enable reads */
6159 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
8a694cc8 6160 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6161 udelay(25); /* 25 us */
6162
6163 return (0);
6164}
6165
6166/****************************************************************************/
6167/* */
6168/* Routine Name: ips_erase_bios_memio */
6169/* */
6170/* Routine Description: */
6171/* Erase the BIOS on the adapter */
6172/* */
6173/****************************************************************************/
6174static int
6175ips_erase_bios_memio(ips_ha_t * ha)
6176{
6177 int timeout;
6178 uint8_t status;
6179
6180 METHOD_TRACE("ips_erase_bios_memio", 1);
6181
6182 status = 0;
6183
6184 /* Clear the status register */
6185 writel(0, ha->mem_ptr + IPS_REG_FLAP);
8a694cc8 6186 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6187 udelay(25); /* 25 us */
6188
6189 writeb(0x50, ha->mem_ptr + IPS_REG_FLDP);
8a694cc8 6190 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6191 udelay(25); /* 25 us */
6192
6193 /* Erase Setup */
6194 writeb(0x20, ha->mem_ptr + IPS_REG_FLDP);
8a694cc8 6195 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6196 udelay(25); /* 25 us */
6197
6198 /* Erase Confirm */
6199 writeb(0xD0, ha->mem_ptr + IPS_REG_FLDP);
8a694cc8 6200 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6201 udelay(25); /* 25 us */
6202
6203 /* Erase Status */
6204 writeb(0x70, ha->mem_ptr + IPS_REG_FLDP);
8a694cc8 6205 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6206 udelay(25); /* 25 us */
6207
6208 timeout = 80000; /* 80 seconds */
6209
6210 while (timeout > 0) {
8a694cc8 6211 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
1da177e4
LT		 6212 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6213 udelay(25); /* 25 us */
6214 }
6215
6216 status = readb(ha->mem_ptr + IPS_REG_FLDP);
6217
6218 if (status & 0x80)
6219 break;
6220
6221 MDELAY(1);
6222 timeout--;
6223 }
6224
6225 /* check for timeout */
6226 if (timeout <= 0) {
6227 /* timeout */
6228
6229 /* try to suspend the erase */
6230 writeb(0xB0, ha->mem_ptr + IPS_REG_FLDP);
8a694cc8 6231 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6232 udelay(25); /* 25 us */
6233
6234 /* wait for 10 seconds */
6235 timeout = 10000;
6236 while (timeout > 0) {
8a694cc8 6237 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
1da177e4
LT		 6238 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6239 udelay(25); /* 25 us */
6240 }
6241
6242 status = readb(ha->mem_ptr + IPS_REG_FLDP);
6243
6244 if (status & 0xC0)
6245 break;
6246
6247 MDELAY(1);
6248 timeout--;
6249 }
6250
6251 return (1);
6252 }
6253
6254 /* check for valid VPP */
6255 if (status & 0x08)
6256 /* VPP failure */
6257 return (1);
6258
d6e05edc 6259 /* check for successful flash */
1da177e4
LT		 6260 if (status & 0x30)
6261 /* sequence error */
6262 return (1);
6263
6264 /* Otherwise, we were successful */
6265 /* clear status */
6266 writeb(0x50, ha->mem_ptr + IPS_REG_FLDP);
8a694cc8 6267 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6268 udelay(25); /* 25 us */
6269
6270 /* enable reads */
6271 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
8a694cc8 6272 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6273 udelay(25); /* 25 us */
6274
6275 return (0);
6276}
6277
6278/****************************************************************************/
6279/* */
6280/* Routine Name: ips_program_bios */
6281/* */
6282/* Routine Description: */
6283/* Program the BIOS on the adapter */
6284/* */
6285/****************************************************************************/
6286static int
6287ips_program_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6288 uint32_t offset)
6289{
6290 int i;
6291 int timeout;
6292 uint8_t status = 0;
6293
6294 METHOD_TRACE("ips_program_bios", 1);
6295
6296 status = 0;
6297
6298 for (i = 0; i < buffersize; i++) {
6299 /* write a byte */
db3cc200 6300 outl(i + offset, ha->io_addr + IPS_REG_FLAP);
8a694cc8 6301 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6302 udelay(25); /* 25 us */
6303
6304 outb(0x40, ha->io_addr + IPS_REG_FLDP);
8a694cc8 6305 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6306 udelay(25); /* 25 us */
6307
6308 outb(buffer[i], ha->io_addr + IPS_REG_FLDP);
8a694cc8 6309 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6310 udelay(25); /* 25 us */
6311
6312 /* wait up to one second */
6313 timeout = 1000;
6314 while (timeout > 0) {
8a694cc8 6315 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
1da177e4
LT		 6316 outl(0, ha->io_addr + IPS_REG_FLAP);
6317 udelay(25); /* 25 us */
6318 }
6319
6320 status = inb(ha->io_addr + IPS_REG_FLDP);
6321
6322 if (status & 0x80)
6323 break;
6324
6325 MDELAY(1);
6326 timeout--;
6327 }
6328
6329 if (timeout == 0) {
6330 /* timeout error */
6331 outl(0, ha->io_addr + IPS_REG_FLAP);
8a694cc8 6332 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6333 udelay(25); /* 25 us */
6334
6335 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
8a694cc8 6336 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6337 udelay(25); /* 25 us */
6338
6339 return (1);
6340 }
6341
6342 /* check the status */
6343 if (status & 0x18) {
6344 /* programming error */
6345 outl(0, ha->io_addr + IPS_REG_FLAP);
8a694cc8 6346 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6347 udelay(25); /* 25 us */
6348
6349 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
8a694cc8 6350 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6351 udelay(25); /* 25 us */
6352
6353 return (1);
6354 }
6355 } /* end for */
6356
6357 /* Enable reading */
6358 outl(0, ha->io_addr + IPS_REG_FLAP);
8a694cc8 6359 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6360 udelay(25); /* 25 us */
6361
6362 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
8a694cc8 6363 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6364 udelay(25); /* 25 us */
6365
6366 return (0);
6367}
6368
6369/****************************************************************************/
6370/* */
6371/* Routine Name: ips_program_bios_memio */
6372/* */
6373/* Routine Description: */
6374/* Program the BIOS on the adapter */
6375/* */
6376/****************************************************************************/
6377static int
6378ips_program_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6379 uint32_t offset)
6380{
6381 int i;
6382 int timeout;
6383 uint8_t status = 0;
6384
6385 METHOD_TRACE("ips_program_bios_memio", 1);
6386
6387 status = 0;
6388
6389 for (i = 0; i < buffersize; i++) {
6390 /* write a byte */
6391 writel(i + offset, ha->mem_ptr + IPS_REG_FLAP);
8a694cc8 6392 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6393 udelay(25); /* 25 us */
6394
6395 writeb(0x40, ha->mem_ptr + IPS_REG_FLDP);
8a694cc8 6396 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6397 udelay(25); /* 25 us */
6398
6399 writeb(buffer[i], ha->mem_ptr + IPS_REG_FLDP);
8a694cc8 6400 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6401 udelay(25); /* 25 us */
6402
6403 /* wait up to one second */
6404 timeout = 1000;
6405 while (timeout > 0) {
8a694cc8 6406 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
1da177e4
LT		 6407 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6408 udelay(25); /* 25 us */
6409 }
6410
6411 status = readb(ha->mem_ptr + IPS_REG_FLDP);
6412
6413 if (status & 0x80)
6414 break;
6415
6416 MDELAY(1);
6417 timeout--;
6418 }
6419
6420 if (timeout == 0) {
6421 /* timeout error */
6422 writel(0, ha->mem_ptr + IPS_REG_FLAP);
8a694cc8 6423 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6424 udelay(25); /* 25 us */
6425
6426 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
8a694cc8 6427 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6428 udelay(25); /* 25 us */
6429
6430 return (1);
6431 }
6432
6433 /* check the status */
6434 if (status & 0x18) {
6435 /* programming error */
6436 writel(0, ha->mem_ptr + IPS_REG_FLAP);
8a694cc8 6437 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6438 udelay(25); /* 25 us */
6439
6440 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
8a694cc8 6441 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6442 udelay(25); /* 25 us */
6443
6444 return (1);
6445 }
6446 } /* end for */
6447
6448 /* Enable reading */
6449 writel(0, ha->mem_ptr + IPS_REG_FLAP);
8a694cc8 6450 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6451 udelay(25); /* 25 us */
6452
6453 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
8a694cc8 6454 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6455 udelay(25); /* 25 us */
6456
6457 return (0);
6458}
6459
6460/****************************************************************************/
6461/* */
6462/* Routine Name: ips_verify_bios */
6463/* */
6464/* Routine Description: */
6465/* Verify the BIOS on the adapter */
6466/* */
6467/****************************************************************************/
6468static int
6469ips_verify_bios(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", 1);
6476
6477 /* test 1st byte */
6478 outl(0, ha->io_addr + IPS_REG_FLAP);
8a694cc8 6479 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6480 udelay(25); /* 25 us */
6481
6482 if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55)
6483 return (1);
6484
db3cc200 6485 outl(1, ha->io_addr + IPS_REG_FLAP);
8a694cc8 6486 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6487 udelay(25); /* 25 us */
6488 if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA)
6489 return (1);
6490
6491 checksum = 0xff;
6492 for (i = 2; i < buffersize; i++) {
6493
db3cc200 6494 outl(i + offset, ha->io_addr + IPS_REG_FLAP);
8a694cc8 6495 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6496 udelay(25); /* 25 us */
6497
6498 checksum = (uint8_t) checksum + inb(ha->io_addr + IPS_REG_FLDP);
6499 }
6500
6501 if (checksum != 0)
6502 /* failure */
6503 return (1);
6504 else
6505 /* success */
6506 return (0);
6507}
6508
6509/****************************************************************************/
6510/* */
6511/* Routine Name: ips_verify_bios_memio */
6512/* */
6513/* Routine Description: */
6514/* Verify the BIOS on the adapter */
6515/* */
6516/****************************************************************************/
6517static int
6518ips_verify_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6519 uint32_t offset)
6520{
6521 uint8_t checksum;
6522 int i;
6523
6524 METHOD_TRACE("ips_verify_bios_memio", 1);
6525
6526 /* test 1st byte */
6527 writel(0, ha->mem_ptr + IPS_REG_FLAP);
8a694cc8 6528 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6529 udelay(25); /* 25 us */
6530
6531 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0x55)
6532 return (1);
6533
6534 writel(1, ha->mem_ptr + IPS_REG_FLAP);
8a694cc8 6535 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6536 udelay(25); /* 25 us */
6537 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA)
6538 return (1);
6539
6540 checksum = 0xff;
6541 for (i = 2; i < buffersize; i++) {
6542
6543 writel(i + offset, ha->mem_ptr + IPS_REG_FLAP);
8a694cc8 6544 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
1da177e4
LT		 6545 udelay(25); /* 25 us */
6546
6547 checksum =
6548 (uint8_t) checksum + readb(ha->mem_ptr + IPS_REG_FLDP);
6549 }
6550
6551 if (checksum != 0)
6552 /* failure */
6553 return (1);
6554 else
6555 /* success */
6556 return (0);
6557}
6558
1da177e4
LT		 6559/****************************************************************************/
6560/* */
6561/* Routine Name: ips_abort_init */
6562/* */
6563/* Routine Description: */
6564/* cleanup routine for a failed adapter initialization */
6565/****************************************************************************/
6566static int
6567ips_abort_init(ips_ha_t * ha, int index)
6568{
6569 ha->active = 0;
6570 ips_free(ha);
6571 ips_ha[index] = NULL;
6572 ips_sh[index] = NULL;
6573 return -1;
6574}
6575
6576/****************************************************************************/
6577/* */
6578/* Routine Name: ips_shift_controllers */
6579/* */
6580/* Routine Description: */
6581/* helper function for ordering adapters */
6582/****************************************************************************/
6583static void
6584ips_shift_controllers(int lowindex, int highindex)
6585{
6586 ips_ha_t *ha_sav = ips_ha[highindex];
6587 struct Scsi_Host *sh_sav = ips_sh[highindex];
6588 int i;
6589
6590 for (i = highindex; i > lowindex; i--) {
6591 ips_ha[i] = ips_ha[i - 1];
6592 ips_sh[i] = ips_sh[i - 1];
6593 ips_ha[i]->host_num = i;
6594 }
6595 ha_sav->host_num = lowindex;
6596 ips_ha[lowindex] = ha_sav;
6597 ips_sh[lowindex] = sh_sav;
6598}
6599
6600/****************************************************************************/
6601/* */
6602/* Routine Name: ips_order_controllers */
6603/* */
6604/* Routine Description: */
6605/* place controllers is the "proper" boot order */
6606/****************************************************************************/
6607static void
6608ips_order_controllers(void)
6609{
6610 int i, j, tmp, position = 0;
6611 IPS_NVRAM_P5 *nvram;
6612 if (!ips_ha[0])
6613 return;
6614 nvram = ips_ha[0]->nvram;
6615
6616 if (nvram->adapter_order[0]) {
6617 for (i = 1; i <= nvram->adapter_order[0]; i++) {
6618 for (j = position; j < ips_num_controllers; j++) {
6619 switch (ips_ha[j]->ad_type) {
6620 case IPS_ADTYPE_SERVERAID6M:
6621 case IPS_ADTYPE_SERVERAID7M:
6622 if (nvram->adapter_order[i] == 'M') {
6623 ips_shift_controllers(position,
6624 j);
6625 position++;
6626 }
6627 break;
6628 case IPS_ADTYPE_SERVERAID4L:
6629 case IPS_ADTYPE_SERVERAID4M:
6630 case IPS_ADTYPE_SERVERAID4MX:
6631 case IPS_ADTYPE_SERVERAID4LX:
6632 if (nvram->adapter_order[i] == 'N') {
6633 ips_shift_controllers(position,
6634 j);
6635 position++;
6636 }
6637 break;
6638 case IPS_ADTYPE_SERVERAID6I:
6639 case IPS_ADTYPE_SERVERAID5I2:
6640 case IPS_ADTYPE_SERVERAID5I1:
6641 case IPS_ADTYPE_SERVERAID7k:
6642 if (nvram->adapter_order[i] == 'S') {
6643 ips_shift_controllers(position,
6644 j);
6645 position++;
6646 }
6647 break;
6648 case IPS_ADTYPE_SERVERAID:
6649 case IPS_ADTYPE_SERVERAID2:
6650 case IPS_ADTYPE_NAVAJO:
6651 case IPS_ADTYPE_KIOWA:
6652 case IPS_ADTYPE_SERVERAID3L:
6653 case IPS_ADTYPE_SERVERAID3:
6654 case IPS_ADTYPE_SERVERAID4H:
6655 if (nvram->adapter_order[i] == 'A') {
6656 ips_shift_controllers(position,
6657 j);
6658 position++;
6659 }
6660 break;
6661 default:
6662 break;
6663 }
6664 }
6665 }
6666 /* if adapter_order[0], then ordering is complete */
6667 return;
6668 }
6669 /* old bios, use older ordering */
6670 tmp = 0;
6671 for (i = position; i < ips_num_controllers; i++) {
6672 if (ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID5I2 ||
6673 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID5I1) {
6674 ips_shift_controllers(position, i);
6675 position++;
6676 tmp = 1;
6677 }
6678 }
6679 /* if there were no 5I cards, then don't do any extra ordering */
6680 if (!tmp)
6681 return;
6682 for (i = position; i < ips_num_controllers; i++) {
6683 if (ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4L ||
6684 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4M ||
6685 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4LX ||
6686 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4MX) {
6687 ips_shift_controllers(position, i);
6688 position++;
6689 }
6690 }
6691
6692 return;
6693}
6694
6695/****************************************************************************/
6696/* */
6697/* Routine Name: ips_register_scsi */
6698/* */
6699/* Routine Description: */
6700/* perform any registration and setup with the scsi layer */
6701/****************************************************************************/
6702static int
6703ips_register_scsi(int index)
6704{
6705 struct Scsi_Host *sh;
6706 ips_ha_t *ha, *oldha = ips_ha[index];
6707 sh = scsi_host_alloc(&ips_driver_template, sizeof (ips_ha_t));
6708 if (!sh) {
6709 IPS_PRINTK(KERN_WARNING, oldha->pcidev,
6710 "Unable to register controller with SCSI subsystem\n");
6711 return -1;
6712 }
6713 ha = IPS_HA(sh);
6714 memcpy(ha, oldha, sizeof (ips_ha_t));
8a694cc8 6715 free_irq(oldha->pcidev->irq, oldha);
1da177e4 6716 /* Install the interrupt handler with the new ha */
8a694cc8 6717 if (request_irq(ha->pcidev->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) {
1da177e4
LT		 6718 IPS_PRINTK(KERN_WARNING, ha->pcidev,
6719 "Unable to install interrupt handler\n");
2551a13e 6720 goto err_out_sh;
1da177e4
LT		 6721 }
6722
6723 kfree(oldha);
1da177e4
LT		 6724
6725 /* Store away needed values for later use */
1da177e4 6726 sh->unique_id = (ha->io_addr) ? ha->io_addr : ha->mem_addr;
1da177e4
LT		 6727 sh->sg_tablesize = sh->hostt->sg_tablesize;
6728 sh->can_queue = sh->hostt->can_queue;
6729 sh->cmd_per_lun = sh->hostt->cmd_per_lun;
1da177e4 6730 sh->use_clustering = sh->hostt->use_clustering;
1da177e4 6731 sh->max_sectors = 128;
1da177e4
LT		 6732
6733 sh->max_id = ha->ntargets;
6734 sh->max_lun = ha->nlun;
6735 sh->max_channel = ha->nbus - 1;
6736 sh->can_queue = ha->max_cmds - 1;
6737
2551a13e
JG		 6738 if (scsi_add_host(sh, &ha->pcidev->dev))
6739 goto err_out;
6740
6741 ips_sh[index] = sh;
6742 ips_ha[index] = ha;
6743
c6a6c81c
AB		 6744 scsi_scan_host(sh);
6745
1da177e4 6746 return 0;
2551a13e
JG		 6747
6748err_out:
6749 free_irq(ha->pcidev->irq, ha);
6750err_out_sh:
6751 scsi_host_put(sh);
6752 return -1;
1da177e4
LT		 6753}
6754
6755/*---------------------------------------------------------------------------*/
6756/* Routine Name: ips_remove_device */
6757/* */
6758/* Routine Description: */
6759/* Remove one Adapter ( Hot Plugging ) */
6760/*---------------------------------------------------------------------------*/
6f039790 6761static void
1da177e4
LT		 6762ips_remove_device(struct pci_dev *pci_dev)
6763{
21e1a5f2 6764 struct Scsi_Host *sh = pci_get_drvdata(pci_dev);
1da177e4 6765
21e1a5f2
JG		 6766 pci_set_drvdata(pci_dev, NULL);
6767
6768 ips_release(sh);
6769
6770 pci_release_regions(pci_dev);
6771 pci_disable_device(pci_dev);
1da177e4
LT		 6772}
6773
6774/****************************************************************************/
6775/* */
6776/* Routine Name: ips_module_init */
6777/* */
6778/* Routine Description: */
6779/* function called on module load */
6780/****************************************************************************/
6781static int __init
6782ips_module_init(void)
6783{
e03c2da6
JB		 6784#if !defined(__i386__) && !defined(__ia64__) && !defined(__x86_64__)
6785 printk(KERN_ERR "ips: This driver has only been tested on the x86/ia64/x86_64 platforms\n");
6786 add_taint(TAINT_CPU_OUT_OF_SPEC, LOCKDEP_STILL_OK);
6787#endif
6788
02a0fa67 6789 if (pci_register_driver(&ips_pci_driver) < 0)
1da177e4
LT		 6790 return -ENODEV;
6791 ips_driver_template.module = THIS_MODULE;
6792 ips_order_controllers();
c6a6c81c 6793 if (!ips_detect(&ips_driver_template)) {
1da177e4
LT		 6794 pci_unregister_driver(&ips_pci_driver);
6795 return -ENODEV;
6796 }
6797 register_reboot_notifier(&ips_notifier);
6798 return 0;
6799}
6800
6801/****************************************************************************/
6802/* */
6803/* Routine Name: ips_module_exit */
6804/* */
6805/* Routine Description: */
6806/* function called on module unload */
6807/****************************************************************************/
6808static void __exit
6809ips_module_exit(void)
6810{
1da177e4
LT		 6811 pci_unregister_driver(&ips_pci_driver);
6812 unregister_reboot_notifier(&ips_notifier);
6813}
6814
6815module_init(ips_module_init);
6816module_exit(ips_module_exit);
6817
6818/*---------------------------------------------------------------------------*/
6819/* Routine Name: ips_insert_device */
6820/* */
6821/* Routine Description: */
6822/* Add One Adapter ( Hot Plug ) */
6823/* */
6824/* Return Value: */
6825/* 0 if Successful, else non-zero */
6826/*---------------------------------------------------------------------------*/
6f039790 6827static int
1da177e4
LT		 6828ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent)
6829{
21e1a5f2 6830 int index = -1;
1da177e4
LT		 6831 int rc;
6832
6833 METHOD_TRACE("ips_insert_device", 1);
21e1a5f2
JG		 6834 rc = pci_enable_device(pci_dev);
6835 if (rc)
6836 return rc;
6837
6838 rc = pci_request_regions(pci_dev, "ips");
6839 if (rc)
6840 goto err_out;
1da177e4
LT		 6841
6842 rc = ips_init_phase1(pci_dev, &index);
6843 if (rc == SUCCESS)
6844 rc = ips_init_phase2(index);
6845
6846 if (ips_hotplug)
6847 if (ips_register_scsi(index)) {
6848 ips_free(ips_ha[index]);
6849 rc = -1;
6850 }
6851
6852 if (rc == SUCCESS)
6853 ips_num_controllers++;
6854
6855 ips_next_controller = ips_num_controllers;
21e1a5f2
JG		 6856
6857 if (rc < 0) {
6858 rc = -ENODEV;
6859 goto err_out_regions;
6860 }
6861
6862 pci_set_drvdata(pci_dev, ips_sh[index]);
6863 return 0;
6864
6865err_out_regions:
6866 pci_release_regions(pci_dev);
6867err_out:
6868 pci_disable_device(pci_dev);
1da177e4
LT		 6869 return rc;
6870}
6871
6872/*---------------------------------------------------------------------------*/
6873/* Routine Name: ips_init_phase1 */
6874/* */
6875/* Routine Description: */
6876/* Adapter Initialization */
6877/* */
6878/* Return Value: */
6879/* 0 if Successful, else non-zero */
6880/*---------------------------------------------------------------------------*/
6881static int
6882ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr)
6883{
6884 ips_ha_t *ha;
6885 uint32_t io_addr;
6886 uint32_t mem_addr;
6887 uint32_t io_len;
6888 uint32_t mem_len;
1da177e4
LT		 6889 uint8_t bus;
6890 uint8_t func;
1da177e4
LT		 6891 int j;
6892 int index;
6893 dma_addr_t dma_address;
6894 char __iomem *ioremap_ptr;
6895 char __iomem *mem_ptr;
6896 uint32_t IsDead;
6897
6898 METHOD_TRACE("ips_init_phase1", 1);
6899 index = IPS_MAX_ADAPTERS;
6900 for (j = 0; j < IPS_MAX_ADAPTERS; j++) {
21e1a5f2 6901 if (ips_ha[j] == NULL) {
1da177e4
LT		 6902 index = j;
6903 break;
6904 }
6905 }
6906
6907 if (index >= IPS_MAX_ADAPTERS)
6908 return -1;
6909
6910 /* stuff that we get in dev */
1da177e4
LT		 6911 bus = pci_dev->bus->number;
6912 func = pci_dev->devfn;
6913
6914 /* Init MEM/IO addresses to 0 */
6915 mem_addr = 0;
6916 io_addr = 0;
6917 mem_len = 0;
6918 io_len = 0;
6919
6920 for (j = 0; j < 2; j++) {
6921 if (!pci_resource_start(pci_dev, j))
6922 break;
6923
6924 if (pci_resource_flags(pci_dev, j) & IORESOURCE_IO) {
6925 io_addr = pci_resource_start(pci_dev, j);
6926 io_len = pci_resource_len(pci_dev, j);
6927 } else {
6928 mem_addr = pci_resource_start(pci_dev, j);
6929 mem_len = pci_resource_len(pci_dev, j);
6930 }
6931 }
6932
6933 /* setup memory mapped area (if applicable) */
6934 if (mem_addr) {
6935 uint32_t base;
6936 uint32_t offs;
6937
1da177e4
LT		 6938 base = mem_addr & PAGE_MASK;
6939 offs = mem_addr - base;
6940 ioremap_ptr = ioremap(base, PAGE_SIZE);
21e1a5f2
JG		 6941 if (!ioremap_ptr)
6942 return -1;
1da177e4
LT		 6943 mem_ptr = ioremap_ptr + offs;
6944 } else {
6945 ioremap_ptr = NULL;
6946 mem_ptr = NULL;
6947 }
6948
1da177e4 6949 /* found a controller */
dd00cc48 6950 ha = kzalloc(sizeof (ips_ha_t), GFP_KERNEL);
1da177e4
LT		 6951 if (ha == NULL) {
6952 IPS_PRINTK(KERN_WARNING, pci_dev,
6953 "Unable to allocate temporary ha struct\n");
6954 return -1;
6955 }
6956
1da177e4
LT		 6957 ips_sh[index] = NULL;
6958 ips_ha[index] = ha;
6959 ha->active = 1;
6960
6961 /* Store info in HA structure */
1da177e4
LT		 6962 ha->io_addr = io_addr;
6963 ha->io_len = io_len;
6964 ha->mem_addr = mem_addr;
6965 ha->mem_len = mem_len;
6966 ha->mem_ptr = mem_ptr;
6967 ha->ioremap_ptr = ioremap_ptr;
6968 ha->host_num = (uint32_t) index;
1da177e4 6969 ha->slot_num = PCI_SLOT(pci_dev->devfn);
1da177e4
LT		 6970 ha->pcidev = pci_dev;
6971
6972 /*
6973 * Set the pci_dev's dma_mask. Not all adapters support 64bit
6974 * addressing so don't enable it if the adapter can't support
6975 * it! Also, don't use 64bit addressing if dma addresses
6976 * are guaranteed to be < 4G.
6977 */
6978 if (IPS_ENABLE_DMA64 && IPS_HAS_ENH_SGLIST(ha) &&
6a35528a 6979 !pci_set_dma_mask(ha->pcidev, DMA_BIT_MASK(64))) {
1da177e4
LT		 6980 (ha)->flags |= IPS_HA_ENH_SG;
6981 } else {
284901a9 6982 if (pci_set_dma_mask(ha->pcidev, DMA_BIT_MASK(32)) != 0) {
1da177e4
LT		 6983 printk(KERN_WARNING "Unable to set DMA Mask\n");
6984 return ips_abort_init(ha, index);
6985 }
6986 }
6987 if(ips_cd_boot && !ips_FlashData){
6988 ips_FlashData = pci_alloc_consistent(pci_dev, PAGE_SIZE << 7,
6989 &ips_flashbusaddr);
6990 }
6991
6992 ha->enq = pci_alloc_consistent(pci_dev, sizeof (IPS_ENQ),
6993 &ha->enq_busaddr);
6994 if (!ha->enq) {
6995 IPS_PRINTK(KERN_WARNING, pci_dev,
6996 "Unable to allocate host inquiry structure\n");
6997 return ips_abort_init(ha, index);
6998 }
6999
7000 ha->adapt = pci_alloc_consistent(pci_dev, sizeof (IPS_ADAPTER) +
7001 sizeof (IPS_IO_CMD), &dma_address);
7002 if (!ha->adapt) {
7003 IPS_PRINTK(KERN_WARNING, pci_dev,
7004 "Unable to allocate host adapt & dummy structures\n");
7005 return ips_abort_init(ha, index);
7006 }
7007 ha->adapt->hw_status_start = dma_address;
7008 ha->dummy = (void *) (ha->adapt + 1);
7009
7010
7011
7012 ha->logical_drive_info = pci_alloc_consistent(pci_dev, sizeof (IPS_LD_INFO), &dma_address);
7013 if (!ha->logical_drive_info) {
7014 IPS_PRINTK(KERN_WARNING, pci_dev,
7015 "Unable to allocate logical drive info structure\n");
7016 return ips_abort_init(ha, index);
7017 }
7018 ha->logical_drive_info_dma_addr = dma_address;
7019
7020
7021 ha->conf = kmalloc(sizeof (IPS_CONF), GFP_KERNEL);
7022
7023 if (!ha->conf) {
7024 IPS_PRINTK(KERN_WARNING, pci_dev,
7025 "Unable to allocate host conf structure\n");
7026 return ips_abort_init(ha, index);
7027 }
7028
7029 ha->nvram = kmalloc(sizeof (IPS_NVRAM_P5), GFP_KERNEL);
7030
7031 if (!ha->nvram) {
7032 IPS_PRINTK(KERN_WARNING, pci_dev,
7033 "Unable to allocate host NVRAM structure\n");
7034 return ips_abort_init(ha, index);
7035 }
7036
7037 ha->subsys = kmalloc(sizeof (IPS_SUBSYS), GFP_KERNEL);
7038
7039 if (!ha->subsys) {
7040 IPS_PRINTK(KERN_WARNING, pci_dev,
7041 "Unable to allocate host subsystem structure\n");
7042 return ips_abort_init(ha, index);
7043 }
7044
7045 /* the ioctl buffer is now used during adapter initialization, so its
7046 * successful allocation is now required */
7047 if (ips_ioctlsize < PAGE_SIZE)
7048 ips_ioctlsize = PAGE_SIZE;
7049
7050 ha->ioctl_data = pci_alloc_consistent(pci_dev, ips_ioctlsize,
7051 &ha->ioctl_busaddr);
7052 ha->ioctl_len = ips_ioctlsize;
7053 if (!ha->ioctl_data) {
7054 IPS_PRINTK(KERN_WARNING, pci_dev,
7055 "Unable to allocate IOCTL data\n");
7056 return ips_abort_init(ha, index);
7057 }
7058
7059 /*
7060 * Setup Functions
7061 */
7062 ips_setup_funclist(ha);
7063
7064 if ((IPS_IS_MORPHEUS(ha)) || (IPS_IS_MARCO(ha))) {
7065 /* If Morpheus appears dead, reset it */
7066 IsDead = readl(ha->mem_ptr + IPS_REG_I960_MSG1);
7067 if (IsDead == 0xDEADBEEF) {
7068 ips_reset_morpheus(ha);
7069 }
7070 }
7071
7072 /*
7073 * Initialize the card if it isn't already
7074 */
7075
7076 if (!(*ha->func.isinit) (ha)) {
7077 if (!(*ha->func.init) (ha)) {
7078 /*
7079 * Initialization failed
7080 */
7081 IPS_PRINTK(KERN_WARNING, pci_dev,
7082 "Unable to initialize controller\n");
7083 return ips_abort_init(ha, index);
7084 }
7085 }
7086
7087 *indexPtr = index;
7088 return SUCCESS;
7089}
7090
7091/*---------------------------------------------------------------------------*/
7092/* Routine Name: ips_init_phase2 */
7093/* */
7094/* Routine Description: */
7095/* Adapter Initialization Phase 2 */
7096/* */
7097/* Return Value: */
7098/* 0 if Successful, else non-zero */
7099/*---------------------------------------------------------------------------*/
7100static int
7101ips_init_phase2(int index)
7102{
7103 ips_ha_t *ha;
7104
7105 ha = ips_ha[index];
7106
7107 METHOD_TRACE("ips_init_phase2", 1);
7108 if (!ha->active) {
7109 ips_ha[index] = NULL;
7110 return -1;
7111 }
7112
7113 /* Install the interrupt handler */
8a694cc8 7114 if (request_irq(ha->pcidev->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) {
1da177e4
LT		 7115 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7116 "Unable to install interrupt handler\n");
7117 return ips_abort_init(ha, index);
7118 }
7119
7120 /*
7121 * Allocate a temporary SCB for initialization
7122 */
7123 ha->max_cmds = 1;
7124 if (!ips_allocatescbs(ha)) {
7125 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7126 "Unable to allocate a CCB\n");
8a694cc8 7127 free_irq(ha->pcidev->irq, ha);
1da177e4
LT		 7128 return ips_abort_init(ha, index);
7129 }
7130
7131 if (!ips_hainit(ha)) {
7132 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7133 "Unable to initialize controller\n");
8a694cc8 7134 free_irq(ha->pcidev->irq, ha);
1da177e4
LT		 7135 return ips_abort_init(ha, index);
7136 }
7137 /* Free the temporary SCB */
7138 ips_deallocatescbs(ha, 1);
7139
7140 /* allocate CCBs */
7141 if (!ips_allocatescbs(ha)) {
7142 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7143 "Unable to allocate CCBs\n");
8a694cc8 7144 free_irq(ha->pcidev->irq, ha);
1da177e4
LT		 7145 return ips_abort_init(ha, index);
7146 }
7147
7148 return SUCCESS;
7149}
7150
1da177e4 7151MODULE_LICENSE("GPL");
1da177e4 7152MODULE_DESCRIPTION("IBM ServeRAID Adapter Driver " IPS_VER_STRING);
1da177e4 7153MODULE_VERSION(IPS_VER_STRING);
1da177e4
LT		 7154
7155
7156/*
7157 * Overrides for Emacs so that we almost follow Linus's tabbing style.
7158 * Emacs will notice this stuff at the end of the file and automatically
7159 * adjust the settings for this buffer only. This must remain at the end
7160 * of the file.
7161 * ---------------------------------------------------------------------------
7162 * Local variables:
7163 * c-indent-level: 2
7164 * c-brace-imaginary-offset: 0
7165 * c-brace-offset: -2
7166 * c-argdecl-indent: 2
7167 * c-label-offset: -2
7168 * c-continued-statement-offset: 2
7169 * c-continued-brace-offset: 0
7170 * indent-tabs-mode: nil
7171 * tab-width: 8
7172 * End:
7173 */
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